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
[ 79, 26, 75, 41 ]
19
[ "79-26=53", "75-41=34", "53-34=19" ]
Current State: 19:[79, 26, 75, 41], Operations: [] Exploring Operation: 79-26=53, Resulting Numbers: [75, 41, 53] Generated Node #2: [75, 41, 53] from Operation: 79-26=53 Current State: 19:[75, 41, 53], Operations: ['79-26=53'] Exploring Operation: 75-41=34, Resulting Numbers: [53, 34] Generated Node #3: [53, 34] from Operation: 75-41=34 Current State: 19:[53, 34], Operations: ['79-26=53', '75-41=34'] Exploring Operation: 53-34=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
4
Current State: 19:[79, 26, 75, 41], Operations: [] Exploring Operation: 79-75=4, Resulting Numbers: [26, 41, 4] Generated Node #0,0: 19:[26, 41, 4] Operation: 79-75=4 Exploring Operation: 79-41=38, Resulting Numbers: [26, 75, 38] Generated Node #0,1: 19:[26, 75, 38] Operation: 79-41=38 Moving to Node #0,0 Current State: 19:[26, 41, 4], Operations: ['79-75=4'] Exploring Operation: 41-26=15, Resulting Numbers: [4, 15] Generated Node #0,0,0: 19:[4, 15] Operation: 41-26=15 Exploring Operation: 26-4=22, Resulting Numbers: [41, 22] Generated Node #0,0,1: 19:[41, 22] Operation: 26-4=22 Moving to Node #0,1 Current State: 19:[26, 75, 38], Operations: ['79-41=38'] Exploring Operation: 75-38=37, Resulting Numbers: [26, 37] Generated Node #0,1,0: 19:[26, 37] Operation: 75-38=37 Exploring Operation: 75-26=49, Resulting Numbers: [38, 49] Generated Node #0,1,1: 19:[38, 49] Operation: 75-26=49 Moving to Node #0,0,0 Current State: 19:[4, 15], Operations: ['79-75=4', '41-26=15'] Exploring Operation: 4+15=19, Resulting Numbers: [19] 19,19 equal: Goal Reached Moving to Node #0 Current State: 19:[79, 26, 75, 41], Operations: [] Exploring Operation: 79-75=4, Resulting Numbers: [26, 41, 4] Generated Node #0,0: 19:[26, 41, 4] Operation: 79-75=4 Moving to Node #0,0 Current State: 19:[26, 41, 4], Operations: ['79-75=4'] Exploring Operation: 41-26=15, Resulting Numbers: [4, 15] Generated Node #0,0,0: 19:[4, 15] Operation: 41-26=15 Moving to Node #0,0,0 Current State: 19:[4, 15], Operations: ['79-75=4', '41-26=15'] Exploring Operation: 4+15=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
0.990451
hs_2
sum_heuristic
[ 34, 25, 97, 80 ]
50
[ "34*25=850", "97-80=17", "850/17=50" ]
Current State: 50:[34, 25, 97, 80], Operations: [] Exploring Operation: 34*25=850, Resulting Numbers: [97, 80, 850] Generated Node #2: [97, 80, 850] from Operation: 34*25=850 Current State: 50:[97, 80, 850], Operations: ['34*25=850'] Exploring Operation: 97-80=17, Resulting Numbers: [850, 17] Generated Node #3: [850, 17] from Operation: 97-80=17 Current State: 50:[850, 17], Operations: ['34*25=850', '97-80=17'] Exploring Operation: 850/17=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[34, 25, 97, 80], Operations: [] Exploring Operation: 80-34=46, Resulting Numbers: [25, 97, 46] Generated Node #0,0: 50:[25, 97, 46] Operation: 80-34=46 Exploring Operation: 97-80=17, Resulting Numbers: [34, 25, 17] Generated Node #0,1: 50:[34, 25, 17] Operation: 97-80=17 Exploring Operation: 97-34=63, Resulting Numbers: [25, 80, 63] Generated Node #0,2: 50:[25, 80, 63] Operation: 97-34=63 Exploring Operation: 97-25=72, Resulting Numbers: [34, 80, 72] Generated Node #0,3: 50:[34, 80, 72] Operation: 97-25=72 Start Sub Search at level 1: Moving to Node #0,1 Current State: 50:[34, 25, 17], Operations: ['97-80=17'] Exploring Operation: 34-17=17, Resulting Numbers: [25, 17] Generated Node #0,1,0: 50:[25, 17] Operation: 34-17=17 Exploring Operation: 34-25=9, Resulting Numbers: [17, 9] Generated Node #0,1,1: 50:[17, 9] Operation: 34-25=9 Exploring Operation: 34+17=51, Resulting Numbers: [25, 51] Generated Node #0,1,2: 50:[25, 51] Operation: 34+17=51 Exploring Operation: 34/17=2, Resulting Numbers: [25, 2] Generated Node #0,1,3: 50:[25, 2] Operation: 34/17=2 Moving to Node #0,1,3 Current State: 50:[25, 2], Operations: ['97-80=17', '34/17=2'] Exploring Operation: 25-2=23, Resulting Numbers: [23] 23,50 unequal: No Solution Exploring Operation: 25*2=50, Resulting Numbers: [50] 50,50 equal: Goal Reached Moving to Node #0 Current State: 50:[34, 25, 97, 80], Operations: [] Exploring Operation: 97-80=17, Resulting Numbers: [34, 25, 17] Generated Node #0,1: 50:[34, 25, 17] Operation: 97-80=17 Moving to Node #0,1 Current State: 50:[34, 25, 17], Operations: ['97-80=17'] Exploring Operation: 34/17=2, Resulting Numbers: [25, 2] Generated Node #0,1,3: 50:[25, 2] Operation: 34/17=2 Moving to Node #0,1,3 Current State: 50:[25, 2], Operations: ['97-80=17', '34/17=2'] Exploring Operation: 25*2=50, Resulting Numbers: [50] 50,50 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_4
sum_heuristic
[ 7, 91, 83, 98 ]
56
[ "91+98=189", "189/7=27", "83-27=56" ]
Current State: 56:[7, 91, 83, 98], Operations: [] Exploring Operation: 91+98=189, Resulting Numbers: [7, 83, 189] Generated Node #2: [7, 83, 189] from Operation: 91+98=189 Current State: 56:[7, 83, 189], Operations: ['91+98=189'] Exploring Operation: 189/7=27, Resulting Numbers: [83, 27] Generated Node #3: [83, 27] from Operation: 189/7=27 Current State: 56:[83, 27], Operations: ['91+98=189', '189/7=27'] Exploring Operation: 83-27=56, Resulting Numbers: [56] 56,56 equal: Goal Reached
4
Current State: 56:[7, 91, 83, 98], Operations: [] Exploring Operation: 98-91=7, Resulting Numbers: [7, 83, 7] Generated Node #0,0: 56:[7, 83, 7] Operation: 98-91=7 Exploring Operation: 98-83=15, Resulting Numbers: [7, 91, 15] Generated Node #0,1: 56:[7, 91, 15] Operation: 98-83=15 Start Sub Search at level 1: Moving to Node #0,0 Current State: 56:[7, 83, 7], Operations: ['98-91=7'] Exploring Operation: 83-7=76, Resulting Numbers: [7, 76] Generated Node #0,0,0: 56:[7, 76] Operation: 83-7=76 Exploring Operation: 83-7=76, Resulting Numbers: [7, 76] Generated Node #0,0,1: 56:[7, 76] Operation: 83-7=76 Moving to Node #0,0,0 Current State: 56:[7, 76], Operations: ['98-91=7', '83-7=76'] Exploring Operation: 76-7=69, Resulting Numbers: [69] 69,56 unequal: No Solution Exploring Operation: 7+76=83, Resulting Numbers: [83] 83,56 unequal: No Solution Moving to Node #0,0,1 Current State: 56:[7, 76], Operations: ['98-91=7', '83-7=76'] Exploring Operation: 76-7=69, Resulting Numbers: [69] 69,56 unequal: No Solution Exploring Operation: 7+76=83, Resulting Numbers: [83] 83,56 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 56:[7, 91, 15], Operations: ['98-83=15'] Exploring Operation: 91-15=76, Resulting Numbers: [7, 76] Generated Node #0,1,0: 56:[7, 76] Operation: 91-15=76 Exploring Operation: 91/7=13, Resulting Numbers: [15, 13] Generated Node #0,1,1: 56:[15, 13] Operation: 91/7=13 Moving to Node #0,1,1 Current State: 56:[15, 13], Operations: ['98-83=15', '91/7=13'] Exploring Operation: 15-13=2, Resulting Numbers: [2] 2,56 unequal: No Solution Exploring Operation: 15+13=28, Resulting Numbers: [28] 28,56 unequal: No Solution Moving to Node #0,1,0 Current State: 56:[7, 76], Operations: ['98-83=15', '91-15=76'] Exploring Operation: 76-7=69, Resulting Numbers: [69] 69,56 unequal: No Solution Exploring Operation: 7+76=83, Resulting Numbers: [83] 83,56 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
[ 16, 84, 61, 89 ]
50
[ "16+84=100", "61+89=150", "150-100=50" ]
Current State: 50:[16, 84, 61, 89], Operations: [] Exploring Operation: 16+84=100, Resulting Numbers: [61, 89, 100] Generated Node #2: [61, 89, 100] from Operation: 16+84=100 Current State: 50:[61, 89, 100], Operations: ['16+84=100'] Exploring Operation: 61+89=150, Resulting Numbers: [100, 150] Generated Node #3: [100, 150] from Operation: 61+89=150 Current State: 50:[100, 150], Operations: ['16+84=100', '61+89=150'] Exploring Operation: 150-100=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[16, 84, 61, 89], Operations: [] Exploring Operation: 84-16=68, Resulting Numbers: [61, 89, 68] Generated Node #0,0: 50:[61, 89, 68] Operation: 84-16=68 Exploring Operation: 89-61=28, Resulting Numbers: [16, 84, 28] Generated Node #0,1: 50:[16, 84, 28] Operation: 89-61=28 Exploring Operation: 89-84=5, Resulting Numbers: [16, 61, 5] Generated Node #0,2: 50:[16, 61, 5] Operation: 89-84=5 Exploring Operation: 84-61=23, Resulting Numbers: [16, 89, 23] Generated Node #0,3: 50:[16, 89, 23] Operation: 84-61=23 Start Sub Search at level 1: Moving to Node #0,2 Current State: 50:[16, 61, 5], Operations: ['89-84=5'] Exploring Operation: 16-5=11, Resulting Numbers: [61, 11] Generated Node #0,2,0: 50:[61, 11] Operation: 16-5=11 Exploring Operation: 61-5=56, Resulting Numbers: [16, 56] Generated Node #0,2,1: 50:[16, 56] Operation: 61-5=56 Exploring Operation: 61-16=45, Resulting Numbers: [5, 45] Generated Node #0,2,2: 50:[5, 45] Operation: 61-16=45 Exploring Operation: 16+5=21, Resulting Numbers: [61, 21] Generated Node #0,2,3: 50:[61, 21] Operation: 16+5=21 Moving to Node #0,2,2 Current State: 50:[5, 45], Operations: ['89-84=5', '61-16=45'] Exploring Operation: 5*45=225, Resulting Numbers: [225] 225,50 unequal: No Solution Exploring Operation: 45/5=9, Resulting Numbers: [9] 9,50 unequal: No Solution Exploring Operation: 5+45=50, Resulting Numbers: [50] 50,50 equal: Goal Reached Moving to Node #0 Current State: 50:[16, 84, 61, 89], Operations: [] Exploring Operation: 89-84=5, Resulting Numbers: [16, 61, 5] Generated Node #0,2: 50:[16, 61, 5] Operation: 89-84=5 Moving to Node #0,2 Current State: 50:[16, 61, 5], Operations: ['89-84=5'] Exploring Operation: 61-16=45, Resulting Numbers: [5, 45] Generated Node #0,2,2: 50:[5, 45] Operation: 61-16=45 Moving to Node #0,2,2 Current State: 50:[5, 45], Operations: ['89-84=5', '61-16=45'] Exploring Operation: 5+45=50, Resulting Numbers: [50] 50,50 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_4
sum_heuristic
[ 39, 10, 86, 70 ]
45
[ "39-10=29", "86-70=16", "29+16=45" ]
Current State: 45:[39, 10, 86, 70], Operations: [] Exploring Operation: 39-10=29, Resulting Numbers: [86, 70, 29] Generated Node #2: [86, 70, 29] from Operation: 39-10=29 Current State: 45:[86, 70, 29], Operations: ['39-10=29'] Exploring Operation: 86-70=16, Resulting Numbers: [29, 16] Generated Node #3: [29, 16] from Operation: 86-70=16 Current State: 45:[29, 16], Operations: ['39-10=29', '86-70=16'] Exploring Operation: 29+16=45, Resulting Numbers: [45] 45,45 equal: Goal Reached
4
Current State: 45:[39, 10, 86, 70], Operations: [] Exploring Operation: 86-39=47, Resulting Numbers: [10, 70, 47] Generated Node #0,0: 45:[10, 70, 47] Operation: 86-39=47 Exploring Operation: 70-39=31, Resulting Numbers: [10, 86, 31] Generated Node #0,1: 45:[10, 86, 31] Operation: 70-39=31 Exploring Operation: 86-70=16, Resulting Numbers: [39, 10, 16] Generated Node #0,2: 45:[39, 10, 16] Operation: 86-70=16 Exploring Operation: 70/10=7, Resulting Numbers: [39, 86, 7] Generated Node #0,3: 45:[39, 86, 7] Operation: 70/10=7 Exploring Operation: 86-10=76, Resulting Numbers: [39, 70, 76] Generated Node #0,4: 45:[39, 70, 76] Operation: 86-10=76 Moving to Node #0,2 Current State: 45:[39, 10, 16], Operations: ['86-70=16'] Exploring Operation: 39-10=29, Resulting Numbers: [16, 29] Generated Node #0,2,0: 45:[16, 29] Operation: 39-10=29 Exploring Operation: 39+16=55, Resulting Numbers: [10, 55] Generated Node #0,2,1: 45:[10, 55] Operation: 39+16=55 Exploring Operation: 39+10=49, Resulting Numbers: [16, 49] Generated Node #0,2,2: 45:[16, 49] Operation: 39+10=49 Exploring Operation: 39-16=23, Resulting Numbers: [10, 23] Generated Node #0,2,3: 45:[10, 23] Operation: 39-16=23 Exploring Operation: 16-10=6, Resulting Numbers: [39, 6] Generated Node #0,2,4: 45:[39, 6] Operation: 16-10=6 Moving to Node #0,0 Current State: 45:[10, 70, 47], Operations: ['86-39=47'] Exploring Operation: 70-47=23, Resulting Numbers: [10, 23] Generated Node #0,0,0: 45:[10, 23] Operation: 70-47=23 Exploring Operation: 70/10=7, Resulting Numbers: [47, 7] Generated Node #0,0,1: 45:[47, 7] Operation: 70/10=7 Exploring Operation: 47-10=37, Resulting Numbers: [70, 37] Generated Node #0,0,2: 45:[70, 37] Operation: 47-10=37 Exploring Operation: 10+70=80, Resulting Numbers: [47, 80] Generated Node #0,0,3: 45:[47, 80] Operation: 10+70=80 Exploring Operation: 70-10=60, Resulting Numbers: [47, 60] Generated Node #0,0,4: 45:[47, 60] Operation: 70-10=60 Moving to Node #0,3 Current State: 45:[39, 86, 7], Operations: ['70/10=7'] Exploring Operation: 86-39=47, Resulting Numbers: [7, 47] Generated Node #0,3,0: 45:[7, 47] Operation: 86-39=47 Exploring Operation: 86-7=79, Resulting Numbers: [39, 79] Generated Node #0,3,1: 45:[39, 79] Operation: 86-7=79 Exploring Operation: 86+7=93, Resulting Numbers: [39, 93] Generated Node #0,3,2: 45:[39, 93] Operation: 86+7=93 Exploring Operation: 39+7=46, Resulting Numbers: [86, 46] Generated Node #0,3,3: 45:[86, 46] Operation: 39+7=46 Exploring Operation: 39-7=32, Resulting Numbers: [86, 32] Generated Node #0,3,4: 45:[86, 32] Operation: 39-7=32 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 45:[7, 47], Operations: ['70/10=7', '86-39=47'] Exploring Operation: 47-7=40, Resulting Numbers: [40] 40,45 unequal: No Solution Exploring Operation: 7*47=329, Resulting Numbers: [329] 329,45 unequal: No Solution Exploring Operation: 7+47=54, Resulting Numbers: [54] 54,45 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 45:[39, 79], Operations: ['70/10=7', '86-7=79'] Exploring Operation: 79-39=40, Resulting Numbers: [40] 40,45 unequal: No Solution Exploring Operation: 39+79=118, Resulting Numbers: [118] 118,45 unequal: No Solution Exploring Operation: 39*79=3081, Resulting Numbers: [3081] 3081,45 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 45:[86, 46], Operations: ['70/10=7', '39+7=46'] Exploring Operation: 86-46=40, Resulting Numbers: [40] 40,45 unequal: No Solution Exploring Operation: 86+46=132, Resulting Numbers: [132] 132,45 unequal: No Solution Exploring Operation: 86*46=3956, Resulting Numbers: [3956] 3956,45 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 45:[39, 93], Operations: ['70/10=7', '86+7=93'] Exploring Operation: 39+93=132, Resulting Numbers: [132] 132,45 unequal: No Solution Exploring Operation: 39*93=3627, Resulting Numbers: [3627] 3627,45 unequal: No Solution Exploring Operation: 93-39=54, Resulting Numbers: [54] 54,45 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 45:[86, 32], Operations: ['70/10=7', '39-7=32'] Exploring Operation: 86-32=54, Resulting Numbers: [54] 54,45 unequal: No Solution Exploring Operation: 86*32=2752, Resulting Numbers: [2752] 2752,45 unequal: No Solution Exploring Operation: 86+32=118, Resulting Numbers: [118] 118,45 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: 45:[10, 86, 31], Operations: ['70-39=31'] Exploring Operation: 86-31=55, Resulting Numbers: [10, 55] Generated Node #0,1,0: 45:[10, 55] Operation: 86-31=55 Exploring Operation: 10+86=96, Resulting Numbers: [31, 96] Generated Node #0,1,1: 45:[31, 96] Operation: 10+86=96 Exploring Operation: 31-10=21, Resulting Numbers: [86, 21] Generated Node #0,1,2: 45:[86, 21] Operation: 31-10=21 Exploring Operation: 10+31=41, Resulting Numbers: [86, 41] Generated Node #0,1,3: 45:[86, 41] Operation: 10+31=41 Exploring Operation: 86-10=76, Resulting Numbers: [31, 76] Generated Node #0,1,4: 45:[31, 76] Operation: 86-10=76 Moving to Node #0,4 Current State: 45:[39, 70, 76], Operations: ['86-10=76'] Exploring Operation: 76-39=37, Resulting Numbers: [70, 37] Generated Node #0,4,0: 45:[70, 37] Operation: 76-39=37 Exploring Operation: 70-39=31, Resulting Numbers: [76, 31] Generated Node #0,4,1: 45:[76, 31] Operation: 70-39=31 Exploring Operation: 76-70=6, Resulting Numbers: [39, 6] Generated Node #0,4,2: 45:[39, 6] Operation: 76-70=6 Exploring Operation: 39+76=115, Resulting Numbers: [70, 115] Generated Node #0,4,3: 45:[70, 115] Operation: 39+76=115 Exploring Operation: 39+70=109, Resulting Numbers: [76, 109] Generated Node #0,4,4: 45:[76, 109] Operation: 39+70=109 Moving to Node #0,0,1 Current State: 45:[47, 7], Operations: ['86-39=47', '70/10=7'] Exploring Operation: 47+7=54, Resulting Numbers: [54] 54,45 unequal: No Solution Exploring Operation: 47-7=40, Resulting Numbers: [40] 40,45 unequal: No Solution Exploring Operation: 47*7=329, Resulting Numbers: [329] 329,45 unequal: No Solution Moving to Node #0,2,2 Current State: 45:[16, 49], Operations: ['86-70=16', '39+10=49'] Exploring Operation: 49-16=33, Resulting Numbers: [33] 33,45 unequal: No Solution Exploring Operation: 16*49=784, Resulting Numbers: [784] 784,45 unequal: No Solution Exploring Operation: 16+49=65, Resulting Numbers: [65] 65,45 unequal: No Solution Moving to Node #0,2,4 Current State: 45:[39, 6], Operations: ['86-70=16', '16-10=6'] Exploring Operation: 39+6=45, Resulting Numbers: [45] 45,45 equal: Goal Reached Moving to Node #0 Current State: 45:[39, 10, 86, 70], Operations: [] Exploring Operation: 86-70=16, Resulting Numbers: [39, 10, 16] Generated Node #0,2: 45:[39, 10, 16] Operation: 86-70=16 Moving to Node #0,2 Current State: 45:[39, 10, 16], Operations: ['86-70=16'] Exploring Operation: 16-10=6, Resulting Numbers: [39, 6] Generated Node #0,2,4: 45:[39, 6] Operation: 16-10=6 Moving to Node #0,2,4 Current State: 45:[39, 6], Operations: ['86-70=16', '16-10=6'] Exploring Operation: 39+6=45, Resulting Numbers: [45] 45,45 equal: Goal Reached
0.951389
hs_5
mult_heuristic
[ 62, 12, 54, 46 ]
15
[ "62*12=744", "744-54=690", "690/46=15" ]
Current State: 15:[62, 12, 54, 46], Operations: [] Exploring Operation: 62*12=744, Resulting Numbers: [54, 46, 744] Generated Node #2: [54, 46, 744] from Operation: 62*12=744 Current State: 15:[54, 46, 744], Operations: ['62*12=744'] Exploring Operation: 744-54=690, Resulting Numbers: [46, 690] Generated Node #3: [46, 690] from Operation: 744-54=690 Current State: 15:[46, 690], Operations: ['62*12=744', '744-54=690'] Exploring Operation: 690/46=15, Resulting Numbers: [15] 15,15 equal: Goal Reached
4
Current State: 15:[62, 12, 54, 46], Operations: [] Exploring Operation: 62-54=8, Resulting Numbers: [12, 46, 8] Generated Node #0,0: 15:[12, 46, 8] Operation: 62-54=8 Start Sub Search at level 1: Moving to Node #0,0 Current State: 15:[12, 46, 8], Operations: ['62-54=8'] Exploring Operation: 46-12=34, Resulting Numbers: [8, 34] Generated Node #0,0,0: 15:[8, 34] Operation: 46-12=34 Moving to Node #0,0,0 Current State: 15:[8, 34], Operations: ['62-54=8', '46-12=34'] Exploring Operation: 34-8=26, Resulting Numbers: [26] 26,15 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
[ 68, 48, 6, 75 ]
94
[ "75-48=27", "6*27=162", "162-68=94" ]
Current State: 94:[68, 48, 6, 75], Operations: [] Exploring Operation: 75-48=27, Resulting Numbers: [68, 6, 27] Generated Node #2: [68, 6, 27] from Operation: 75-48=27 Current State: 94:[68, 6, 27], Operations: ['75-48=27'] Exploring Operation: 6*27=162, Resulting Numbers: [68, 162] Generated Node #3: [68, 162] from Operation: 6*27=162 Current State: 94:[68, 162], Operations: ['75-48=27', '6*27=162'] Exploring Operation: 162-68=94, Resulting Numbers: [94] 94,94 equal: Goal Reached
4
Current State: 94:[68, 48, 6, 75], Operations: [] Exploring Operation: 68-6=62, Resulting Numbers: [48, 75, 62] Generated Node #0,0: 94:[48, 75, 62] Operation: 68-6=62 Exploring Operation: 75-68=7, Resulting Numbers: [48, 6, 7] Generated Node #0,1: 94:[48, 6, 7] Operation: 75-68=7 Start Sub Search at level 1: Moving to Node #0,1 Current State: 94:[48, 6, 7], Operations: ['75-68=7'] Exploring Operation: 6*7=42, Resulting Numbers: [48, 42] Generated Node #0,1,0: 94:[48, 42] Operation: 6*7=42 Exploring Operation: 7-6=1, Resulting Numbers: [48, 1] Generated Node #0,1,1: 94:[48, 1] Operation: 7-6=1 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 94:[48, 1], Operations: ['75-68=7', '7-6=1'] Exploring Operation: 48-1=47, Resulting Numbers: [47] 47,94 unequal: No Solution Exploring Operation: 48*1=48, Resulting Numbers: [48] 48,94 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:[48, 42], Operations: ['75-68=7', '6*7=42'] Exploring Operation: 48+42=90, Resulting Numbers: [90] 90,94 unequal: No Solution Exploring Operation: 48-42=6, Resulting Numbers: [6] 6,94 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 94:[48, 75, 62], Operations: ['68-6=62'] Exploring Operation: 75-62=13, Resulting Numbers: [48, 13] Generated Node #0,0,0: 94:[48, 13] Operation: 75-62=13 Exploring Operation: 62-48=14, Resulting Numbers: [75, 14] Generated Node #0,0,1: 94:[75, 14] Operation: 62-48=14 Moving to Node #0,0,0 Current State: 94:[48, 13], Operations: ['68-6=62', '75-62=13'] Exploring Operation: 48+13=61, Resulting Numbers: [61] 61,94 unequal: No Solution Exploring Operation: 48-13=35, Resulting Numbers: [35] 35,94 unequal: No Solution Moving to Node #0,0,1 Current State: 94:[75, 14], Operations: ['68-6=62', '62-48=14'] Exploring Operation: 75+14=89, Resulting Numbers: [89] 89,94 unequal: No Solution Exploring Operation: 75-14=61, Resulting Numbers: [61] 61,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 44, 28, 6, 39 ]
28
[ "44-6=38", "39-38=1", "28*1=28" ]
Current State: 28:[44, 28, 6, 39], Operations: [] Exploring Operation: 44-6=38, Resulting Numbers: [28, 39, 38] Generated Node #2: [28, 39, 38] from Operation: 44-6=38 Current State: 28:[28, 39, 38], Operations: ['44-6=38'] Exploring Operation: 39-38=1, Resulting Numbers: [28, 1] Generated Node #3: [28, 1] from Operation: 39-38=1 Current State: 28:[28, 1], Operations: ['44-6=38', '39-38=1'] Exploring Operation: 28*1=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
4
Current State: 28:[44, 28, 6, 39], Operations: [] Exploring Operation: 44-39=5, Resulting Numbers: [28, 6, 5] Generated Node #0,0: 28:[28, 6, 5] Operation: 44-39=5 Exploring Operation: 44-28=16, Resulting Numbers: [6, 39, 16] Generated Node #0,1: 28:[6, 39, 16] Operation: 44-28=16 Start Sub Search at level 1: Moving to Node #0,0 Current State: 28:[28, 6, 5], Operations: ['44-39=5'] Exploring Operation: 6-5=1, Resulting Numbers: [28, 1] Generated Node #0,0,0: 28:[28, 1] Operation: 6-5=1 Exploring Operation: 6*5=30, Resulting Numbers: [28, 30] Generated Node #0,0,1: 28:[28, 30] Operation: 6*5=30 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 28:[28, 1], Operations: ['44-39=5', '6-5=1'] Exploring Operation: 28/1=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Moving to Node #0 Current State: 28:[44, 28, 6, 39], Operations: [] Exploring Operation: 44-39=5, Resulting Numbers: [28, 6, 5] Generated Node #0,0: 28:[28, 6, 5] Operation: 44-39=5 Moving to Node #0,0 Current State: 28:[28, 6, 5], Operations: ['44-39=5'] Exploring Operation: 6-5=1, Resulting Numbers: [28, 1] Generated Node #0,0,0: 28:[28, 1] Operation: 6-5=1 Moving to Node #0,0,0 Current State: 28:[28, 1], Operations: ['44-39=5', '6-5=1'] Exploring Operation: 28/1=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.992188
hs_2
sum_heuristic
[ 24, 37, 3, 48 ]
88
[ "24/3=8", "48-37=11", "8*11=88" ]
Current State: 88:[24, 37, 3, 48], Operations: [] Exploring Operation: 24/3=8, Resulting Numbers: [37, 48, 8] Generated Node #2: [37, 48, 8] from Operation: 24/3=8 Current State: 88:[37, 48, 8], Operations: ['24/3=8'] Exploring Operation: 48-37=11, Resulting Numbers: [8, 11] Generated Node #3: [8, 11] from Operation: 48-37=11 Current State: 88:[8, 11], Operations: ['24/3=8', '48-37=11'] Exploring Operation: 8*11=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
4
Current State: 88:[24, 37, 3, 48], Operations: [] Exploring Operation: 48-37=11, Resulting Numbers: [24, 3, 11] Generated Node #0,0: 88:[24, 3, 11] Operation: 48-37=11 Exploring Operation: 37+48=85, Resulting Numbers: [24, 3, 85] Generated Node #0,1: 88:[24, 3, 85] Operation: 37+48=85 Start Sub Search at level 1: Moving to Node #0,0 Current State: 88:[24, 3, 11], Operations: ['48-37=11'] Exploring Operation: 24/3=8, Resulting Numbers: [11, 8] Generated Node #0,0,0: 88:[11, 8] Operation: 24/3=8 Exploring Operation: 24-3=21, Resulting Numbers: [11, 21] Generated Node #0,0,1: 88:[11, 21] Operation: 24-3=21 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 88:[11, 8], Operations: ['48-37=11', '24/3=8'] Exploring Operation: 11*8=88, Resulting Numbers: [88] 88,88 equal: Goal Reached Moving to Node #0 Current State: 88:[24, 37, 3, 48], Operations: [] Exploring Operation: 48-37=11, Resulting Numbers: [24, 3, 11] Generated Node #0,0: 88:[24, 3, 11] Operation: 48-37=11 Moving to Node #0,0 Current State: 88:[24, 3, 11], Operations: ['48-37=11'] Exploring Operation: 24/3=8, Resulting Numbers: [11, 8] Generated Node #0,0,0: 88:[11, 8] Operation: 24/3=8 Moving to Node #0,0,0 Current State: 88:[11, 8], Operations: ['48-37=11', '24/3=8'] Exploring Operation: 11*8=88, Resulting Numbers: [88] 88,88 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.992188
hs_2
sum_heuristic
[ 65, 4, 8, 19 ]
14
[ "65-19=46", "4*8=32", "46-32=14" ]
Current State: 14:[65, 4, 8, 19], Operations: [] Exploring Operation: 65-19=46, Resulting Numbers: [4, 8, 46] Generated Node #2: [4, 8, 46] from Operation: 65-19=46 Current State: 14:[4, 8, 46], Operations: ['65-19=46'] Exploring Operation: 4*8=32, Resulting Numbers: [46, 32] Generated Node #3: [46, 32] from Operation: 4*8=32 Current State: 14:[46, 32], Operations: ['65-19=46', '4*8=32'] Exploring Operation: 46-32=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
4
Current State: 14:[65, 4, 8, 19], Operations: [] Exploring Operation: 65-19=46, Resulting Numbers: [4, 8, 46] Generated Node #0,0: 14:[4, 8, 46] Operation: 65-19=46 Moving to Node #0,0 Current State: 14:[4, 8, 46], Operations: ['65-19=46'] Exploring Operation: 46-8=38, Resulting Numbers: [4, 38] Generated Node #0,0,0: 14:[4, 38] Operation: 46-8=38 Moving to Node #0,0,0 Current State: 14:[4, 38], Operations: ['65-19=46', '46-8=38'] Exploring Operation: 38-4=34, Resulting Numbers: [34] 34,14 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 11, 56, 12, 16 ]
25
[ "16-12=4", "56/4=14", "11+14=25" ]
Current State: 25:[11, 56, 12, 16], Operations: [] Exploring Operation: 16-12=4, Resulting Numbers: [11, 56, 4] Generated Node #2: [11, 56, 4] from Operation: 16-12=4 Current State: 25:[11, 56, 4], Operations: ['16-12=4'] Exploring Operation: 56/4=14, Resulting Numbers: [11, 14] Generated Node #3: [11, 14] from Operation: 56/4=14 Current State: 25:[11, 14], Operations: ['16-12=4', '56/4=14'] Exploring Operation: 11+14=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[11, 56, 12, 16], Operations: [] Exploring Operation: 16-11=5, Resulting Numbers: [56, 12, 5] Generated Node #0,0: 25:[56, 12, 5] Operation: 16-11=5 Exploring Operation: 56-16=40, Resulting Numbers: [11, 12, 40] Generated Node #0,1: 25:[11, 12, 40] Operation: 56-16=40 Exploring Operation: 16-12=4, Resulting Numbers: [11, 56, 4] Generated Node #0,2: 25:[11, 56, 4] Operation: 16-12=4 Exploring Operation: 56-12=44, Resulting Numbers: [11, 16, 44] Generated Node #0,3: 25:[11, 16, 44] Operation: 56-12=44 Exploring Operation: 56-11=45, Resulting Numbers: [12, 16, 45] Generated Node #0,4: 25:[12, 16, 45] Operation: 56-11=45 Start Sub Search at level 1: Moving to Node #0,1 Current State: 25:[11, 12, 40], Operations: ['56-16=40'] Exploring Operation: 40-12=28, Resulting Numbers: [11, 28] Generated Node #0,1,0: 25:[11, 28] Operation: 40-12=28 Exploring Operation: 11+12=23, Resulting Numbers: [40, 23] Generated Node #0,1,1: 25:[40, 23] Operation: 11+12=23 Exploring Operation: 11+40=51, Resulting Numbers: [12, 51] Generated Node #0,1,2: 25:[12, 51] Operation: 11+40=51 Exploring Operation: 12-11=1, Resulting Numbers: [40, 1] Generated Node #0,1,3: 25:[40, 1] Operation: 12-11=1 Exploring Operation: 40-11=29, Resulting Numbers: [12, 29] Generated Node #0,1,4: 25:[12, 29] Operation: 40-11=29 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 25:[11, 28], Operations: ['56-16=40', '40-12=28'] Exploring Operation: 11*28=308, Resulting Numbers: [308] 308,25 unequal: No Solution Exploring Operation: 28-11=17, Resulting Numbers: [17] 17,25 unequal: No Solution Exploring Operation: 11+28=39, Resulting Numbers: [39] 39,25 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 25:[12, 29], Operations: ['56-16=40', '40-11=29'] Exploring Operation: 12*29=348, Resulting Numbers: [348] 348,25 unequal: No Solution Exploring Operation: 29-12=17, Resulting Numbers: [17] 17,25 unequal: No Solution Exploring Operation: 12+29=41, Resulting Numbers: [41] 41,25 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 25:[40, 23], Operations: ['56-16=40', '11+12=23'] Exploring Operation: 40+23=63, Resulting Numbers: [63] 63,25 unequal: No Solution Exploring Operation: 40-23=17, Resulting Numbers: [17] 17,25 unequal: No Solution Exploring Operation: 40*23=920, Resulting Numbers: [920] 920,25 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 25:[40, 1], Operations: ['56-16=40', '12-11=1'] Exploring Operation: 40/1=40, Resulting Numbers: [40] 40,25 unequal: No Solution Exploring Operation: 40+1=41, Resulting Numbers: [41] 41,25 unequal: No Solution Exploring Operation: 40-1=39, Resulting Numbers: [39] 39,25 unequal: No Solution Exploring Operation: 40*1=40, Resulting Numbers: [40] 40,25 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 25:[12, 51], Operations: ['56-16=40', '11+40=51'] Exploring Operation: 12+51=63, Resulting Numbers: [63] 63,25 unequal: No Solution Exploring Operation: 12*51=612, Resulting Numbers: [612] 612,25 unequal: No Solution Exploring Operation: 51-12=39, Resulting Numbers: [39] 39,25 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 25:[11, 16, 44], Operations: ['56-12=44'] Exploring Operation: 11+16=27, Resulting Numbers: [44, 27] Generated Node #0,3,0: 25:[44, 27] Operation: 11+16=27 Exploring Operation: 16-11=5, Resulting Numbers: [44, 5] Generated Node #0,3,1: 25:[44, 5] Operation: 16-11=5 Exploring Operation: 44-16=28, Resulting Numbers: [11, 28] Generated Node #0,3,2: 25:[11, 28] Operation: 44-16=28 Exploring Operation: 44-11=33, Resulting Numbers: [16, 33] Generated Node #0,3,3: 25:[16, 33] Operation: 44-11=33 Exploring Operation: 44/11=4, Resulting Numbers: [16, 4] Generated Node #0,3,4: 25:[16, 4] Operation: 44/11=4 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 25:[11, 28], Operations: ['56-12=44', '44-16=28'] Exploring Operation: 11+28=39, Resulting Numbers: [39] 39,25 unequal: No Solution Exploring Operation: 28-11=17, Resulting Numbers: [17] 17,25 unequal: No Solution Exploring Operation: 11*28=308, Resulting Numbers: [308] 308,25 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 25:[16, 4], Operations: ['56-12=44', '44/11=4'] Exploring Operation: 16+4=20, Resulting Numbers: [20] 20,25 unequal: No Solution Exploring Operation: 16/4=4, Resulting Numbers: [4] 4,25 unequal: No Solution Exploring Operation: 16*4=64, Resulting Numbers: [64] 64,25 unequal: No Solution Exploring Operation: 16-4=12, Resulting Numbers: [12] 12,25 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 25:[16, 33], Operations: ['56-12=44', '44-11=33'] Exploring Operation: 16+33=49, Resulting Numbers: [49] 49,25 unequal: No Solution Exploring Operation: 33-16=17, Resulting Numbers: [17] 17,25 unequal: No Solution Exploring Operation: 16*33=528, Resulting Numbers: [528] 528,25 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 25:[44, 5], Operations: ['56-12=44', '16-11=5'] Exploring Operation: 44+5=49, Resulting Numbers: [49] 49,25 unequal: No Solution Exploring Operation: 44-5=39, Resulting Numbers: [39] 39,25 unequal: No Solution Exploring Operation: 44*5=220, Resulting Numbers: [220] 220,25 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 25:[44, 27], Operations: ['56-12=44', '11+16=27'] Exploring Operation: 44-27=17, Resulting Numbers: [17] 17,25 unequal: No Solution Exploring Operation: 44*27=1188, Resulting Numbers: [1188] 1188,25 unequal: No Solution Exploring Operation: 44+27=71, Resulting Numbers: [71] 71,25 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 25:[12, 16, 45], Operations: ['56-11=45'] Exploring Operation: 12+45=57, Resulting Numbers: [16, 57] Generated Node #0,4,0: 25:[16, 57] Operation: 12+45=57 Exploring Operation: 45-12=33, Resulting Numbers: [16, 33] Generated Node #0,4,1: 25:[16, 33] Operation: 45-12=33 Exploring Operation: 16-12=4, Resulting Numbers: [45, 4] Generated Node #0,4,2: 25:[45, 4] Operation: 16-12=4 Exploring Operation: 45-16=29, Resulting Numbers: [12, 29] Generated Node #0,4,3: 25:[12, 29] Operation: 45-16=29 Exploring Operation: 12+16=28, Resulting Numbers: [45, 28] Generated Node #0,4,4: 25:[45, 28] Operation: 12+16=28 Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 25:[12, 29], Operations: ['56-11=45', '45-16=29'] Exploring Operation: 12+29=41, Resulting Numbers: [41] 41,25 unequal: No Solution Exploring Operation: 12*29=348, Resulting Numbers: [348] 348,25 unequal: No Solution Exploring Operation: 29-12=17, Resulting Numbers: [17] 17,25 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 25:[16, 33], Operations: ['56-11=45', '45-12=33'] Exploring Operation: 16*33=528, Resulting Numbers: [528] 528,25 unequal: No Solution Exploring Operation: 16+33=49, Resulting Numbers: [49] 49,25 unequal: No Solution Exploring Operation: 33-16=17, Resulting Numbers: [17] 17,25 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 25:[45, 4], Operations: ['56-11=45', '16-12=4'] Exploring Operation: 45+4=49, Resulting Numbers: [49] 49,25 unequal: No Solution Exploring Operation: 45*4=180, Resulting Numbers: [180] 180,25 unequal: No Solution Exploring Operation: 45-4=41, Resulting Numbers: [41] 41,25 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 25:[45, 28], Operations: ['56-11=45', '12+16=28'] Exploring Operation: 45-28=17, Resulting Numbers: [17] 17,25 unequal: No Solution Exploring Operation: 45+28=73, Resulting Numbers: [73] 73,25 unequal: No Solution Exploring Operation: 45*28=1260, Resulting Numbers: [1260] 1260,25 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 25:[16, 57], Operations: ['56-11=45', '12+45=57'] Exploring Operation: 57-16=41, Resulting Numbers: [41] 41,25 unequal: No Solution Exploring Operation: 16*57=912, Resulting Numbers: [912] 912,25 unequal: No Solution Exploring Operation: 16+57=73, Resulting Numbers: [73] 73,25 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 25:[56, 12, 5], Operations: ['16-11=5'] Exploring Operation: 12+5=17, Resulting Numbers: [56, 17] Generated Node #0,0,0: 25:[56, 17] Operation: 12+5=17 Exploring Operation: 12-5=7, Resulting Numbers: [56, 7] Generated Node #0,0,1: 25:[56, 7] Operation: 12-5=7 Exploring Operation: 56+12=68, Resulting Numbers: [5, 68] Generated Node #0,0,2: 25:[5, 68] Operation: 56+12=68 Exploring Operation: 56-5=51, Resulting Numbers: [12, 51] Generated Node #0,0,3: 25:[12, 51] Operation: 56-5=51 Exploring Operation: 56-12=44, Resulting Numbers: [5, 44] Generated Node #0,0,4: 25:[5, 44] Operation: 56-12=44 Moving to Node #0,0,4 Current State: 25:[5, 44], Operations: ['16-11=5', '56-12=44'] Exploring Operation: 5+44=49, Resulting Numbers: [49] 49,25 unequal: No Solution Exploring Operation: 44-5=39, Resulting Numbers: [39] 39,25 unequal: No Solution Exploring Operation: 5*44=220, Resulting Numbers: [220] 220,25 unequal: No Solution Moving to Node #0,0,3 Current State: 25:[12, 51], Operations: ['16-11=5', '56-5=51'] Exploring Operation: 12*51=612, Resulting Numbers: [612] 612,25 unequal: No Solution Exploring Operation: 12+51=63, Resulting Numbers: [63] 63,25 unequal: No Solution Exploring Operation: 51-12=39, Resulting Numbers: [39] 39,25 unequal: No Solution Moving to Node #0,0,1 Current State: 25:[56, 7], Operations: ['16-11=5', '12-5=7'] Exploring Operation: 56*7=392, Resulting Numbers: [392] 392,25 unequal: No Solution Exploring Operation: 56/7=8, Resulting Numbers: [8] 8,25 unequal: No Solution Exploring Operation: 56+7=63, Resulting Numbers: [63] 63,25 unequal: No Solution Exploring Operation: 56-7=49, Resulting Numbers: [49] 49,25 unequal: No Solution Moving to Node #0,0,0 Current State: 25:[56, 17], Operations: ['16-11=5', '12+5=17'] Exploring Operation: 56-17=39, Resulting Numbers: [39] 39,25 unequal: No Solution Exploring Operation: 56*17=952, Resulting Numbers: [952] 952,25 unequal: No Solution Exploring Operation: 56+17=73, Resulting Numbers: [73] 73,25 unequal: No Solution Moving to Node #0,0,2 Current State: 25:[5, 68], Operations: ['16-11=5', '56+12=68'] Exploring Operation: 5+68=73, Resulting Numbers: [73] 73,25 unequal: No Solution Exploring Operation: 5*68=340, Resulting Numbers: [340] 340,25 unequal: No Solution Exploring Operation: 68-5=63, Resulting Numbers: [63] 63,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 25:[11, 56, 4], Operations: ['16-12=4'] Exploring Operation: 11-4=7, Resulting Numbers: [56, 7] Generated Node #0,2,0: 25:[56, 7] Operation: 11-4=7 Exploring Operation: 56-11=45, Resulting Numbers: [4, 45] Generated Node #0,2,1: 25:[4, 45] Operation: 56-11=45 Exploring Operation: 56-4=52, Resulting Numbers: [11, 52] Generated Node #0,2,2: 25:[11, 52] Operation: 56-4=52 Exploring Operation: 56/4=14, Resulting Numbers: [11, 14] Generated Node #0,2,3: 25:[11, 14] Operation: 56/4=14 Exploring Operation: 11+4=15, Resulting Numbers: [56, 15] Generated Node #0,2,4: 25:[56, 15] Operation: 11+4=15 Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 25:[11, 14], Operations: ['16-12=4', '56/4=14'] Exploring Operation: 11*14=154, Resulting Numbers: [154] 154,25 unequal: No Solution Exploring Operation: 14-11=3, Resulting Numbers: [3] 3,25 unequal: No Solution Exploring Operation: 11+14=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Moving to Node #0 Current State: 25:[11, 56, 12, 16], Operations: [] Exploring Operation: 16-12=4, Resulting Numbers: [11, 56, 4] Generated Node #0,2: 25:[11, 56, 4] Operation: 16-12=4 Moving to Node #0,2 Current State: 25:[11, 56, 4], Operations: ['16-12=4'] Exploring Operation: 56/4=14, Resulting Numbers: [11, 14] Generated Node #0,2,3: 25:[11, 14] Operation: 56/4=14 Moving to Node #0,2,3 Current State: 25:[11, 14], Operations: ['16-12=4', '56/4=14'] Exploring Operation: 11+14=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.913194
hs_5
sum_heuristic
[ 8, 29, 11, 35 ]
26
[ "35-11=24", "24/8=3", "29-3=26" ]
Current State: 26:[8, 29, 11, 35], Operations: [] Exploring Operation: 35-11=24, Resulting Numbers: [8, 29, 24] Generated Node #2: [8, 29, 24] from Operation: 35-11=24 Current State: 26:[8, 29, 24], Operations: ['35-11=24'] Exploring Operation: 24/8=3, Resulting Numbers: [29, 3] Generated Node #3: [29, 3] from Operation: 24/8=3 Current State: 26:[29, 3], Operations: ['35-11=24', '24/8=3'] Exploring Operation: 29-3=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
4
Current State: 26:[8, 29, 11, 35], Operations: [] Exploring Operation: 35-29=6, Resulting Numbers: [8, 11, 6] Generated Node #0,0: 26:[8, 11, 6] Operation: 35-29=6 Exploring Operation: 35-11=24, Resulting Numbers: [8, 29, 24] Generated Node #0,1: 26:[8, 29, 24] Operation: 35-11=24 Exploring Operation: 11-8=3, Resulting Numbers: [29, 35, 3] Generated Node #0,2: 26:[29, 35, 3] Operation: 11-8=3 Exploring Operation: 35-8=27, Resulting Numbers: [29, 11, 27] Generated Node #0,3: 26:[29, 11, 27] Operation: 35-8=27 Exploring Operation: 29-8=21, Resulting Numbers: [11, 35, 21] Generated Node #0,4: 26:[11, 35, 21] Operation: 29-8=21 Moving to Node #0,3 Current State: 26:[29, 11, 27], Operations: ['35-8=27'] Exploring Operation: 29-11=18, Resulting Numbers: [27, 18] Generated Node #0,3,0: 26:[27, 18] Operation: 29-11=18 Exploring Operation: 29+11=40, Resulting Numbers: [27, 40] Generated Node #0,3,1: 26:[27, 40] Operation: 29+11=40 Exploring Operation: 29-27=2, Resulting Numbers: [11, 2] Generated Node #0,3,2: 26:[11, 2] Operation: 29-27=2 Exploring Operation: 11+27=38, Resulting Numbers: [29, 38] Generated Node #0,3,3: 26:[29, 38] Operation: 11+27=38 Exploring Operation: 27-11=16, Resulting Numbers: [29, 16] Generated Node #0,3,4: 26:[29, 16] Operation: 27-11=16 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 26:[11, 2], Operations: ['35-8=27', '29-27=2'] Exploring Operation: 11-2=9, Resulting Numbers: [9] 9,26 unequal: No Solution Exploring Operation: 11*2=22, Resulting Numbers: [22] 22,26 unequal: No Solution Exploring Operation: 11+2=13, Resulting Numbers: [13] 13,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 26:[27, 18], Operations: ['35-8=27', '29-11=18'] Exploring Operation: 27+18=45, Resulting Numbers: [45] 45,26 unequal: No Solution Exploring Operation: 27*18=486, Resulting Numbers: [486] 486,26 unequal: No Solution Exploring Operation: 27-18=9, Resulting Numbers: [9] 9,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 26:[29, 16], Operations: ['35-8=27', '27-11=16'] Exploring Operation: 29+16=45, Resulting Numbers: [45] 45,26 unequal: No Solution Exploring Operation: 29-16=13, Resulting Numbers: [13] 13,26 unequal: No Solution Exploring Operation: 29*16=464, Resulting Numbers: [464] 464,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 26:[27, 40], Operations: ['35-8=27', '29+11=40'] Exploring Operation: 40-27=13, Resulting Numbers: [13] 13,26 unequal: No Solution Exploring Operation: 27*40=1080, Resulting Numbers: [1080] 1080,26 unequal: No Solution Exploring Operation: 27+40=67, Resulting Numbers: [67] 67,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 26:[29, 38], Operations: ['35-8=27', '11+27=38'] Exploring Operation: 29+38=67, Resulting Numbers: [67] 67,26 unequal: No Solution Exploring Operation: 38-29=9, Resulting Numbers: [9] 9,26 unequal: No Solution Exploring Operation: 29*38=1102, Resulting Numbers: [1102] 1102,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 26:[8, 29, 24], Operations: ['35-11=24'] Exploring Operation: 29-24=5, Resulting Numbers: [8, 5] Generated Node #0,1,0: 26:[8, 5] Operation: 29-24=5 Exploring Operation: 8+24=32, Resulting Numbers: [29, 32] Generated Node #0,1,1: 26:[29, 32] Operation: 8+24=32 Exploring Operation: 24/8=3, Resulting Numbers: [29, 3] Generated Node #0,1,2: 26:[29, 3] Operation: 24/8=3 Exploring Operation: 29-8=21, Resulting Numbers: [24, 21] Generated Node #0,1,3: 26:[24, 21] Operation: 29-8=21 Exploring Operation: 24-8=16, Resulting Numbers: [29, 16] Generated Node #0,1,4: 26:[29, 16] Operation: 24-8=16 Moving to Node #0,0 Current State: 26:[8, 11, 6], Operations: ['35-29=6'] Exploring Operation: 8+6=14, Resulting Numbers: [11, 14] Generated Node #0,0,0: 26:[11, 14] Operation: 8+6=14 Exploring Operation: 8-6=2, Resulting Numbers: [11, 2] Generated Node #0,0,1: 26:[11, 2] Operation: 8-6=2 Exploring Operation: 11-8=3, Resulting Numbers: [6, 3] Generated Node #0,0,2: 26:[6, 3] Operation: 11-8=3 Exploring Operation: 11+6=17, Resulting Numbers: [8, 17] Generated Node #0,0,3: 26:[8, 17] Operation: 11+6=17 Exploring Operation: 11-6=5, Resulting Numbers: [8, 5] Generated Node #0,0,4: 26:[8, 5] Operation: 11-6=5 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 26:[11, 2], Operations: ['35-29=6', '8-6=2'] Exploring Operation: 11*2=22, Resulting Numbers: [22] 22,26 unequal: No Solution Exploring Operation: 11+2=13, Resulting Numbers: [13] 13,26 unequal: No Solution Exploring Operation: 11-2=9, Resulting Numbers: [9] 9,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 26:[11, 14], Operations: ['35-29=6', '8+6=14'] Exploring Operation: 11+14=25, Resulting Numbers: [25] 25,26 unequal: No Solution Exploring Operation: 14-11=3, Resulting Numbers: [3] 3,26 unequal: No Solution Exploring Operation: 11*14=154, Resulting Numbers: [154] 154,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 26:[6, 3], Operations: ['35-29=6', '11-8=3'] Exploring Operation: 6-3=3, Resulting Numbers: [3] 3,26 unequal: No Solution Exploring Operation: 6+3=9, Resulting Numbers: [9] 9,26 unequal: No Solution Exploring Operation: 6/3=2, Resulting Numbers: [2] 2,26 unequal: No Solution Exploring Operation: 6*3=18, Resulting Numbers: [18] 18,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 26:[8, 5], Operations: ['35-29=6', '11-6=5'] Exploring Operation: 8-5=3, Resulting Numbers: [3] 3,26 unequal: No Solution Exploring Operation: 8+5=13, Resulting Numbers: [13] 13,26 unequal: No Solution Exploring Operation: 8*5=40, Resulting Numbers: [40] 40,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 26:[8, 17], Operations: ['35-29=6', '11+6=17'] Exploring Operation: 8*17=136, Resulting Numbers: [136] 136,26 unequal: No Solution Exploring Operation: 17-8=9, Resulting Numbers: [9] 9,26 unequal: No Solution Exploring Operation: 8+17=25, Resulting Numbers: [25] 25,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 26:[29, 35, 3], Operations: ['11-8=3'] Exploring Operation: 29-3=26, Resulting Numbers: [35, 26] Generated Node #0,2,0: 26:[35, 26] Operation: 29-3=26 Exploring Operation: 35-3=32, Resulting Numbers: [29, 32] Generated Node #0,2,1: 26:[29, 32] Operation: 35-3=32 Exploring Operation: 35-29=6, Resulting Numbers: [3, 6] Generated Node #0,2,2: 26:[3, 6] Operation: 35-29=6 Exploring Operation: 35+3=38, Resulting Numbers: [29, 38] Generated Node #0,2,3: 26:[29, 38] Operation: 35+3=38 Exploring Operation: 29+3=32, Resulting Numbers: [35, 32] Generated Node #0,2,4: 26:[35, 32] Operation: 29+3=32 Moving to Node #0,4 Current State: 26:[11, 35, 21], Operations: ['29-8=21'] Exploring Operation: 35-11=24, Resulting Numbers: [21, 24] Generated Node #0,4,0: 26:[21, 24] Operation: 35-11=24 Exploring Operation: 21-11=10, Resulting Numbers: [35, 10] Generated Node #0,4,1: 26:[35, 10] Operation: 21-11=10 Exploring Operation: 11+35=46, Resulting Numbers: [21, 46] Generated Node #0,4,2: 26:[21, 46] Operation: 11+35=46 Exploring Operation: 11+21=32, Resulting Numbers: [35, 32] Generated Node #0,4,3: 26:[35, 32] Operation: 11+21=32 Exploring Operation: 35-21=14, Resulting Numbers: [11, 14] Generated Node #0,4,4: 26:[11, 14] Operation: 35-21=14 Moving to Node #0,4,4 Current State: 26:[11, 14], Operations: ['29-8=21', '35-21=14'] Exploring Operation: 11*14=154, Resulting Numbers: [154] 154,26 unequal: No Solution Exploring Operation: 14-11=3, Resulting Numbers: [3] 3,26 unequal: No Solution Exploring Operation: 11+14=25, Resulting Numbers: [25] 25,26 unequal: No Solution Moving to Node #0,1,2 Current State: 26:[29, 3], Operations: ['35-11=24', '24/8=3'] Exploring Operation: 29*3=87, Resulting Numbers: [87] 87,26 unequal: No Solution Exploring Operation: 29-3=26, Resulting Numbers: [26] 26,26 equal: Goal Reached Moving to Node #0 Current State: 26:[8, 29, 11, 35], Operations: [] Exploring Operation: 35-11=24, Resulting Numbers: [8, 29, 24] Generated Node #0,1: 26:[8, 29, 24] Operation: 35-11=24 Moving to Node #0,1 Current State: 26:[8, 29, 24], Operations: ['35-11=24'] Exploring Operation: 24/8=3, Resulting Numbers: [29, 3] Generated Node #0,1,2: 26:[29, 3] Operation: 24/8=3 Moving to Node #0,1,2 Current State: 26:[29, 3], Operations: ['35-11=24', '24/8=3'] Exploring Operation: 29-3=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
0.939236
hs_5
sum_heuristic
[ 6, 50, 20, 23 ]
41
[ "50-6=44", "23-20=3", "44-3=41" ]
Current State: 41:[6, 50, 20, 23], Operations: [] Exploring Operation: 50-6=44, Resulting Numbers: [20, 23, 44] Generated Node #2: [20, 23, 44] from Operation: 50-6=44 Current State: 41:[20, 23, 44], Operations: ['50-6=44'] Exploring Operation: 23-20=3, Resulting Numbers: [44, 3] Generated Node #3: [44, 3] from Operation: 23-20=3 Current State: 41:[44, 3], Operations: ['50-6=44', '23-20=3'] Exploring Operation: 44-3=41, Resulting Numbers: [41] 41,41 equal: Goal Reached
4
Current State: 41:[6, 50, 20, 23], Operations: [] Exploring Operation: 20+23=43, Resulting Numbers: [6, 50, 43] Generated Node #0,0: 41:[6, 50, 43] Operation: 20+23=43 Exploring Operation: 6+23=29, Resulting Numbers: [50, 20, 29] Generated Node #0,1: 41:[50, 20, 29] Operation: 6+23=29 Exploring Operation: 6+20=26, Resulting Numbers: [50, 23, 26] Generated Node #0,2: 41:[50, 23, 26] Operation: 6+20=26 Exploring Operation: 6+50=56, Resulting Numbers: [20, 23, 56] Generated Node #0,3: 41:[20, 23, 56] Operation: 6+50=56 Exploring Operation: 50-6=44, Resulting Numbers: [20, 23, 44] Generated Node #0,4: 41:[20, 23, 44] Operation: 50-6=44 Start Sub Search at level 1: Moving to Node #0,1 Current State: 41:[50, 20, 29], Operations: ['6+23=29'] Exploring Operation: 50+20=70, Resulting Numbers: [29, 70] Generated Node #0,1,0: 41:[29, 70] Operation: 50+20=70 Exploring Operation: 50-20=30, Resulting Numbers: [29, 30] Generated Node #0,1,1: 41:[29, 30] Operation: 50-20=30 Exploring Operation: 29-20=9, Resulting Numbers: [50, 9] Generated Node #0,1,2: 41:[50, 9] Operation: 29-20=9 Exploring Operation: 20+29=49, Resulting Numbers: [50, 49] Generated Node #0,1,3: 41:[50, 49] Operation: 20+29=49 Exploring Operation: 50-29=21, Resulting Numbers: [20, 21] Generated Node #0,1,4: 41:[20, 21] Operation: 50-29=21 Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 41:[50, 49], Operations: ['6+23=29', '20+29=49'] Exploring Operation: 50+49=99, Resulting Numbers: [99] 99,41 unequal: No Solution Exploring Operation: 50-49=1, Resulting Numbers: [1] 1,41 unequal: No Solution Exploring Operation: 50*49=2450, Resulting Numbers: [2450] 2450,41 unequal: No Solution No 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: 41:[29, 30], Operations: ['6+23=29', '50-20=30'] Exploring Operation: 29+30=59, Resulting Numbers: [59] 59,41 unequal: No Solution Exploring Operation: 30-29=1, Resulting Numbers: [1] 1,41 unequal: No Solution Exploring Operation: 29*30=870, Resulting Numbers: [870] 870,41 unequal: No Solution No 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: 41:[29, 70], Operations: ['6+23=29', '50+20=70'] Exploring Operation: 29*70=2030, Resulting Numbers: [2030] 2030,41 unequal: No Solution Exploring Operation: 70-29=41, Resulting Numbers: [41] 41,41 equal: Goal Reached Moving to Node #0 Current State: 41:[6, 50, 20, 23], Operations: [] Exploring Operation: 6+23=29, Resulting Numbers: [50, 20, 29] Generated Node #0,1: 41:[50, 20, 29] Operation: 6+23=29 Moving to Node #0,1 Current State: 41:[50, 20, 29], Operations: ['6+23=29'] Exploring Operation: 50+20=70, Resulting Numbers: [29, 70] Generated Node #0,1,0: 41:[29, 70] Operation: 50+20=70 Moving to Node #0,1,0 Current State: 41:[29, 70], Operations: ['6+23=29', '50+20=70'] Exploring Operation: 70-29=41, Resulting Numbers: [41] 41,41 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.980903
hs_5
sum_heuristic
[ 25, 4, 56, 39 ]
75
[ "25+56=81", "4*39=156", "156-81=75" ]
Current State: 75:[25, 4, 56, 39], Operations: [] Exploring Operation: 25+56=81, Resulting Numbers: [4, 39, 81] Generated Node #2: [4, 39, 81] from Operation: 25+56=81 Current State: 75:[4, 39, 81], Operations: ['25+56=81'] Exploring Operation: 4*39=156, Resulting Numbers: [81, 156] Generated Node #3: [81, 156] from Operation: 4*39=156 Current State: 75:[81, 156], Operations: ['25+56=81', '4*39=156'] Exploring Operation: 156-81=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
4
Current State: 75:[25, 4, 56, 39], Operations: [] Exploring Operation: 56-39=17, Resulting Numbers: [25, 4, 17] Generated Node #0,0: 75:[25, 4, 17] Operation: 56-39=17 Moving to Node #0,0 Current State: 75:[25, 4, 17], Operations: ['56-39=17'] Exploring Operation: 17-4=13, Resulting Numbers: [25, 13] Generated Node #0,0,0: 75:[25, 13] Operation: 17-4=13 Moving to Node #0,0,0 Current State: 75:[25, 13], Operations: ['56-39=17', '17-4=13'] Exploring Operation: 25-13=12, Resulting Numbers: [12] 12,75 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 35, 83, 56, 59 ]
58
[ "35+83=118", "118/59=2", "56+2=58" ]
Current State: 58:[35, 83, 56, 59], Operations: [] Exploring Operation: 35+83=118, Resulting Numbers: [56, 59, 118] Generated Node #2: [56, 59, 118] from Operation: 35+83=118 Current State: 58:[56, 59, 118], Operations: ['35+83=118'] Exploring Operation: 118/59=2, Resulting Numbers: [56, 2] Generated Node #3: [56, 2] from Operation: 118/59=2 Current State: 58:[56, 2], Operations: ['35+83=118', '118/59=2'] Exploring Operation: 56+2=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[35, 83, 56, 59], Operations: [] Exploring Operation: 83-56=27, Resulting Numbers: [35, 59, 27] Generated Node #0,0: 58:[35, 59, 27] Operation: 83-56=27 Exploring Operation: 83-35=48, Resulting Numbers: [56, 59, 48] Generated Node #0,1: 58:[56, 59, 48] Operation: 83-35=48 Start Sub Search at level 1: Moving to Node #0,0 Current State: 58:[35, 59, 27], Operations: ['83-56=27'] Exploring Operation: 59-35=24, Resulting Numbers: [27, 24] Generated Node #0,0,0: 58:[27, 24] Operation: 59-35=24 Exploring Operation: 35+27=62, Resulting Numbers: [59, 62] Generated Node #0,0,1: 58:[59, 62] Operation: 35+27=62 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 58:[59, 62], Operations: ['83-56=27', '35+27=62'] Exploring Operation: 59+62=121, Resulting Numbers: [121] 121,58 unequal: No Solution Exploring Operation: 62-59=3, Resulting Numbers: [3] 3,58 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 58:[27, 24], Operations: ['83-56=27', '59-35=24'] Exploring Operation: 27+24=51, Resulting Numbers: [51] 51,58 unequal: No Solution Exploring Operation: 27-24=3, Resulting Numbers: [3] 3,58 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 58:[56, 59, 48], Operations: ['83-35=48'] Exploring Operation: 59-56=3, Resulting Numbers: [48, 3] Generated Node #0,1,0: 58:[48, 3] Operation: 59-56=3 Exploring Operation: 56-48=8, Resulting Numbers: [59, 8] Generated Node #0,1,1: 58:[59, 8] Operation: 56-48=8 Moving to Node #0,1,1 Current State: 58:[59, 8], Operations: ['83-35=48', '56-48=8'] Exploring Operation: 59+8=67, Resulting Numbers: [67] 67,58 unequal: No Solution Exploring Operation: 59-8=51, Resulting Numbers: [51] 51,58 unequal: No Solution Moving to Node #0,1,0 Current State: 58:[48, 3], Operations: ['83-35=48', '59-56=3'] Exploring Operation: 48-3=45, Resulting Numbers: [45] 45,58 unequal: No Solution Exploring Operation: 48+3=51, Resulting Numbers: [51] 51,58 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
[ 78, 80, 3, 20 ]
58
[ "80-78=2", "3*20=60", "60-2=58" ]
Current State: 58:[78, 80, 3, 20], Operations: [] Exploring Operation: 80-78=2, Resulting Numbers: [3, 20, 2] Generated Node #2: [3, 20, 2] from Operation: 80-78=2 Current State: 58:[3, 20, 2], Operations: ['80-78=2'] Exploring Operation: 3*20=60, Resulting Numbers: [2, 60] Generated Node #3: [2, 60] from Operation: 3*20=60 Current State: 58:[2, 60], Operations: ['80-78=2', '3*20=60'] Exploring Operation: 60-2=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[78, 80, 3, 20], Operations: [] Exploring Operation: 80-78=2, Resulting Numbers: [3, 20, 2] Generated Node #0,0: 58:[3, 20, 2] Operation: 80-78=2 Exploring Operation: 78-20=58, Resulting Numbers: [80, 3, 58] Generated Node #0,1: 58:[80, 3, 58] Operation: 78-20=58 Moving to Node #0,0 Current State: 58:[3, 20, 2], Operations: ['80-78=2'] Exploring Operation: 3+20=23, Resulting Numbers: [2, 23] Generated Node #0,0,0: 58:[2, 23] Operation: 3+20=23 Exploring Operation: 3*20=60, Resulting Numbers: [2, 60] Generated Node #0,0,1: 58:[2, 60] Operation: 3*20=60 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 58:[2, 60], Operations: ['80-78=2', '3*20=60'] Exploring Operation: 60/2=30, Resulting Numbers: [30] 30,58 unequal: No Solution Exploring Operation: 60-2=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Moving to Node #0 Current State: 58:[78, 80, 3, 20], Operations: [] Exploring Operation: 80-78=2, Resulting Numbers: [3, 20, 2] Generated Node #0,0: 58:[3, 20, 2] Operation: 80-78=2 Moving to Node #0,0 Current State: 58:[3, 20, 2], Operations: ['80-78=2'] Exploring Operation: 3*20=60, Resulting Numbers: [2, 60] Generated Node #0,0,1: 58:[2, 60] Operation: 3*20=60 Moving to Node #0,0,1 Current State: 58:[2, 60], Operations: ['80-78=2', '3*20=60'] Exploring Operation: 60-2=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Exit Sub Search at level 1
0.991319
hs_2
mult_heuristic
[ 43, 46, 2, 34 ]
67
[ "46-34=12", "2*12=24", "43+24=67" ]
Current State: 67:[43, 46, 2, 34], Operations: [] Exploring Operation: 46-34=12, Resulting Numbers: [43, 2, 12] Generated Node #2: [43, 2, 12] from Operation: 46-34=12 Current State: 67:[43, 2, 12], Operations: ['46-34=12'] Exploring Operation: 2*12=24, Resulting Numbers: [43, 24] Generated Node #3: [43, 24] from Operation: 2*12=24 Current State: 67:[43, 24], Operations: ['46-34=12', '2*12=24'] Exploring Operation: 43+24=67, Resulting Numbers: [67] 67,67 equal: Goal Reached
4
Current State: 67:[43, 46, 2, 34], Operations: [] Exploring Operation: 2*34=68, Resulting Numbers: [43, 46, 68] Generated Node #0,0: 67:[43, 46, 68] Operation: 2*34=68 Moving to Node #0,0 Current State: 67:[43, 46, 68], Operations: ['2*34=68'] Exploring Operation: 43+46=89, Resulting Numbers: [68, 89] Generated Node #0,0,0: 67:[68, 89] Operation: 43+46=89 Moving to Node #0,0,0 Current State: 67:[68, 89], Operations: ['2*34=68', '43+46=89'] Exploring Operation: 89-68=21, Resulting Numbers: [21] 21,67 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 12, 65, 5, 34 ]
29
[ "12*5=60", "65-34=31", "60-31=29" ]
Current State: 29:[12, 65, 5, 34], Operations: [] Exploring Operation: 12*5=60, Resulting Numbers: [65, 34, 60] Generated Node #2: [65, 34, 60] from Operation: 12*5=60 Current State: 29:[65, 34, 60], Operations: ['12*5=60'] Exploring Operation: 65-34=31, Resulting Numbers: [60, 31] Generated Node #3: [60, 31] from Operation: 65-34=31 Current State: 29:[60, 31], Operations: ['12*5=60', '65-34=31'] Exploring Operation: 60-31=29, Resulting Numbers: [29] 29,29 equal: Goal Reached
4
Current State: 29:[12, 65, 5, 34], Operations: [] Exploring Operation: 65-12=53, Resulting Numbers: [5, 34, 53] Generated Node #0,0: 29:[5, 34, 53] Operation: 65-12=53 Exploring Operation: 12+5=17, Resulting Numbers: [65, 34, 17] Generated Node #0,1: 29:[65, 34, 17] Operation: 12+5=17 Exploring Operation: 65-34=31, Resulting Numbers: [12, 5, 31] Generated Node #0,2: 29:[12, 5, 31] Operation: 65-34=31 Exploring Operation: 65-5=60, Resulting Numbers: [12, 34, 60] Generated Node #0,3: 29:[12, 34, 60] Operation: 65-5=60 Exploring Operation: 65/5=13, Resulting Numbers: [12, 34, 13] Generated Node #0,4: 29:[12, 34, 13] Operation: 65/5=13 Start Sub Search at level 1: Moving to Node #0,4 Current State: 29:[12, 34, 13], Operations: ['65/5=13'] Exploring Operation: 12+34=46, Resulting Numbers: [13, 46] Generated Node #0,4,0: 29:[13, 46] Operation: 12+34=46 Exploring Operation: 12+13=25, Resulting Numbers: [34, 25] Generated Node #0,4,1: 29:[34, 25] Operation: 12+13=25 Exploring Operation: 13-12=1, Resulting Numbers: [34, 1] Generated Node #0,4,2: 29:[34, 1] Operation: 13-12=1 Exploring Operation: 34-13=21, Resulting Numbers: [12, 21] Generated Node #0,4,3: 29:[12, 21] Operation: 34-13=21 Exploring Operation: 34-12=22, Resulting Numbers: [13, 22] Generated Node #0,4,4: 29:[13, 22] Operation: 34-12=22 Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 29:[34, 25], Operations: ['65/5=13', '12+13=25'] Exploring Operation: 34-25=9, Resulting Numbers: [9] 9,29 unequal: No Solution Exploring Operation: 34+25=59, Resulting Numbers: [59] 59,29 unequal: No Solution Exploring Operation: 34*25=850, Resulting Numbers: [850] 850,29 unequal: No Solution No 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: 29:[13, 22], Operations: ['65/5=13', '34-12=22'] Exploring Operation: 22-13=9, Resulting Numbers: [9] 9,29 unequal: No Solution Exploring Operation: 13*22=286, Resulting Numbers: [286] 286,29 unequal: No Solution Exploring Operation: 13+22=35, Resulting Numbers: [35] 35,29 unequal: No Solution No 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: 29:[12, 21], Operations: ['65/5=13', '34-13=21'] Exploring Operation: 12*21=252, Resulting Numbers: [252] 252,29 unequal: No Solution Exploring Operation: 12+21=33, Resulting Numbers: [33] 33,29 unequal: No Solution Exploring Operation: 21-12=9, Resulting Numbers: [9] 9,29 unequal: No Solution No 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: 29:[13, 46], Operations: ['65/5=13', '12+34=46'] Exploring Operation: 46-13=33, Resulting Numbers: [33] 33,29 unequal: No Solution Exploring Operation: 13+46=59, Resulting Numbers: [59] 59,29 unequal: No Solution Exploring Operation: 13*46=598, Resulting Numbers: [598] 598,29 unequal: No Solution No 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: 29:[34, 1], Operations: ['65/5=13', '13-12=1'] Exploring Operation: 34/1=34, Resulting Numbers: [34] 34,29 unequal: No Solution Exploring Operation: 34*1=34, Resulting Numbers: [34] 34,29 unequal: No Solution Exploring Operation: 34+1=35, Resulting Numbers: [35] 35,29 unequal: No Solution Exploring Operation: 34-1=33, Resulting Numbers: [33] 33,29 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 29:[12, 5, 31], Operations: ['65-34=31'] Exploring Operation: 5+31=36, Resulting Numbers: [12, 36] Generated Node #0,2,0: 29:[12, 36] Operation: 5+31=36 Exploring Operation: 31-5=26, Resulting Numbers: [12, 26] Generated Node #0,2,1: 29:[12, 26] Operation: 31-5=26 Exploring Operation: 12-5=7, Resulting Numbers: [31, 7] Generated Node #0,2,2: 29:[31, 7] Operation: 12-5=7 Exploring Operation: 12*5=60, Resulting Numbers: [31, 60] Generated Node #0,2,3: 29:[31, 60] Operation: 12*5=60 Exploring Operation: 12+5=17, Resulting Numbers: [31, 17] Generated Node #0,2,4: 29:[31, 17] Operation: 12+5=17 Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 29:[31, 17], Operations: ['65-34=31', '12+5=17'] Exploring Operation: 31+17=48, Resulting Numbers: [48] 48,29 unequal: No Solution Exploring Operation: 31-17=14, Resulting Numbers: [14] 14,29 unequal: No Solution Exploring Operation: 31*17=527, Resulting Numbers: [527] 527,29 unequal: No Solution No 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: 29:[12, 26], Operations: ['65-34=31', '31-5=26'] Exploring Operation: 12*26=312, Resulting Numbers: [312] 312,29 unequal: No Solution Exploring Operation: 12+26=38, Resulting Numbers: [38] 38,29 unequal: No Solution Exploring Operation: 26-12=14, Resulting Numbers: [14] 14,29 unequal: No Solution No 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: 29:[12, 36], Operations: ['65-34=31', '5+31=36'] Exploring Operation: 12*36=432, Resulting Numbers: [432] 432,29 unequal: No Solution Exploring Operation: 36/12=3, Resulting Numbers: [3] 3,29 unequal: No Solution Exploring Operation: 12+36=48, Resulting Numbers: [48] 48,29 unequal: No Solution Exploring Operation: 36-12=24, Resulting Numbers: [24] 24,29 unequal: No Solution No 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: 29:[31, 7], Operations: ['65-34=31', '12-5=7'] Exploring Operation: 31-7=24, Resulting Numbers: [24] 24,29 unequal: No Solution Exploring Operation: 31*7=217, Resulting Numbers: [217] 217,29 unequal: No Solution Exploring Operation: 31+7=38, Resulting Numbers: [38] 38,29 unequal: No Solution No 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: 29:[31, 60], Operations: ['65-34=31', '12*5=60'] Exploring Operation: 31*60=1860, Resulting Numbers: [1860] 1860,29 unequal: No Solution Exploring Operation: 31+60=91, Resulting Numbers: [91] 91,29 unequal: No Solution Exploring Operation: 60-31=29, Resulting Numbers: [29] 29,29 equal: Goal Reached Moving to Node #0 Current State: 29:[12, 65, 5, 34], Operations: [] Exploring Operation: 65-34=31, Resulting Numbers: [12, 5, 31] Generated Node #0,2: 29:[12, 5, 31] Operation: 65-34=31 Moving to Node #0,2 Current State: 29:[12, 5, 31], Operations: ['65-34=31'] Exploring Operation: 12*5=60, Resulting Numbers: [31, 60] Generated Node #0,2,3: 29:[31, 60] Operation: 12*5=60 Moving to Node #0,2,3 Current State: 29:[31, 60], Operations: ['65-34=31', '12*5=60'] Exploring Operation: 60-31=29, Resulting Numbers: [29] 29,29 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.955729
hs_5
mult_heuristic
[ 86, 70, 19, 77 ]
80
[ "86-70=16", "19+77=96", "96-16=80" ]
Current State: 80:[86, 70, 19, 77], Operations: [] Exploring Operation: 86-70=16, Resulting Numbers: [19, 77, 16] Generated Node #2: [19, 77, 16] from Operation: 86-70=16 Current State: 80:[19, 77, 16], Operations: ['86-70=16'] Exploring Operation: 19+77=96, Resulting Numbers: [16, 96] Generated Node #3: [16, 96] from Operation: 19+77=96 Current State: 80:[16, 96], Operations: ['86-70=16', '19+77=96'] Exploring Operation: 96-16=80, Resulting Numbers: [80] 80,80 equal: Goal Reached
4
Current State: 80:[86, 70, 19, 77], Operations: [] Exploring Operation: 77-70=7, Resulting Numbers: [86, 19, 7] Generated Node #0,0: 80:[86, 19, 7] Operation: 77-70=7 Exploring Operation: 86-77=9, Resulting Numbers: [70, 19, 9] Generated Node #0,1: 80:[70, 19, 9] Operation: 86-77=9 Exploring Operation: 86-70=16, Resulting Numbers: [19, 77, 16] Generated Node #0,2: 80:[19, 77, 16] Operation: 86-70=16 Exploring Operation: 70-19=51, Resulting Numbers: [86, 77, 51] Generated Node #0,3: 80:[86, 77, 51] Operation: 70-19=51 Exploring Operation: 70+19=89, Resulting Numbers: [86, 77, 89] Generated Node #0,4: 80:[86, 77, 89] Operation: 70+19=89 Moving to Node #0,2 Current State: 80:[19, 77, 16], Operations: ['86-70=16'] Exploring Operation: 77-19=58, Resulting Numbers: [16, 58] Generated Node #0,2,0: 80:[16, 58] Operation: 77-19=58 Exploring Operation: 19+77=96, Resulting Numbers: [16, 96] Generated Node #0,2,1: 80:[16, 96] Operation: 19+77=96 Exploring Operation: 77+16=93, Resulting Numbers: [19, 93] Generated Node #0,2,2: 80:[19, 93] Operation: 77+16=93 Exploring Operation: 19+16=35, Resulting Numbers: [77, 35] Generated Node #0,2,3: 80:[77, 35] Operation: 19+16=35 Exploring Operation: 19-16=3, Resulting Numbers: [77, 3] Generated Node #0,2,4: 80:[77, 3] Operation: 19-16=3 Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 80:[77, 3], Operations: ['86-70=16', '19-16=3'] Exploring Operation: 77*3=231, Resulting Numbers: [231] 231,80 unequal: No Solution Exploring Operation: 77-3=74, Resulting Numbers: [74] 74,80 unequal: No Solution Exploring Operation: 77+3=80, Resulting Numbers: [80] 80,80 equal: Goal Reached Moving to Node #0 Current State: 80:[86, 70, 19, 77], Operations: [] Exploring Operation: 86-70=16, Resulting Numbers: [19, 77, 16] Generated Node #0,2: 80:[19, 77, 16] Operation: 86-70=16 Moving to Node #0,2 Current State: 80:[19, 77, 16], Operations: ['86-70=16'] Exploring Operation: 19-16=3, Resulting Numbers: [77, 3] Generated Node #0,2,4: 80:[77, 3] Operation: 19-16=3 Moving to Node #0,2,4 Current State: 80:[77, 3], Operations: ['86-70=16', '19-16=3'] Exploring Operation: 77+3=80, Resulting Numbers: [80] 80,80 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_5
sum_heuristic
[ 83, 93, 2, 13 ]
99
[ "83+13=96", "2*96=192", "192-93=99" ]
Current State: 99:[83, 93, 2, 13], Operations: [] Exploring Operation: 83+13=96, Resulting Numbers: [93, 2, 96] Generated Node #2: [93, 2, 96] from Operation: 83+13=96 Current State: 99:[93, 2, 96], Operations: ['83+13=96'] Exploring Operation: 2*96=192, Resulting Numbers: [93, 192] Generated Node #3: [93, 192] from Operation: 2*96=192 Current State: 99:[93, 192], Operations: ['83+13=96', '2*96=192'] Exploring Operation: 192-93=99, Resulting Numbers: [99] 99,99 equal: Goal Reached
4
Current State: 99:[83, 93, 2, 13], Operations: [] Exploring Operation: 93+2=95, Resulting Numbers: [83, 13, 95] Generated Node #0,0: 99:[83, 13, 95] Operation: 93+2=95 Exploring Operation: 93-83=10, Resulting Numbers: [2, 13, 10] Generated Node #0,1: 99:[2, 13, 10] Operation: 93-83=10 Exploring Operation: 83+13=96, Resulting Numbers: [93, 2, 96] Generated Node #0,2: 99:[93, 2, 96] Operation: 83+13=96 Exploring Operation: 83+2=85, Resulting Numbers: [93, 13, 85] Generated Node #0,3: 99:[93, 13, 85] Operation: 83+2=85 Start Sub Search at level 1: Moving to Node #0,1 Current State: 99:[2, 13, 10], Operations: ['93-83=10'] Exploring Operation: 13-2=11, Resulting Numbers: [10, 11] Generated Node #0,1,0: 99:[10, 11] Operation: 13-2=11 Exploring Operation: 13-10=3, Resulting Numbers: [2, 3] Generated Node #0,1,1: 99:[2, 3] Operation: 13-10=3 Exploring Operation: 2+10=12, Resulting Numbers: [13, 12] Generated Node #0,1,2: 99:[13, 12] Operation: 2+10=12 Exploring Operation: 10-2=8, Resulting Numbers: [13, 8] Generated Node #0,1,3: 99:[13, 8] Operation: 10-2=8 Moving to Node #0,1,0 Current State: 99:[10, 11], Operations: ['93-83=10', '13-2=11'] Exploring Operation: 10*11=110, Resulting Numbers: [110] 110,99 unequal: No Solution Exploring Operation: 10+11=21, Resulting Numbers: [21] 21,99 unequal: No Solution Exploring Operation: 11-10=1, Resulting Numbers: [1] 1,99 unequal: No Solution Moving to Node #0,1,1 Current State: 99:[2, 3], Operations: ['93-83=10', '13-10=3'] Exploring Operation: 3-2=1, Resulting Numbers: [1] 1,99 unequal: No Solution Exploring Operation: 2+3=5, Resulting Numbers: [5] 5,99 unequal: No Solution Exploring Operation: 2*3=6, Resulting Numbers: [6] 6,99 unequal: No Solution Moving to Node #0,1,3 Current State: 99:[13, 8], Operations: ['93-83=10', '10-2=8'] Exploring Operation: 13+8=21, Resulting Numbers: [21] 21,99 unequal: No Solution Exploring Operation: 13-8=5, Resulting Numbers: [5] 5,99 unequal: No Solution Exploring Operation: 13*8=104, Resulting Numbers: [104] 104,99 unequal: No Solution Moving to Node #0,1,2 Current State: 99:[13, 12], Operations: ['93-83=10', '2+10=12'] Exploring Operation: 13+12=25, Resulting Numbers: [25] 25,99 unequal: No Solution Exploring Operation: 13*12=156, Resulting Numbers: [156] 156,99 unequal: No Solution Exploring Operation: 13-12=1, Resulting Numbers: [1] 1,99 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:[93, 2, 96], Operations: ['83+13=96'] Exploring Operation: 96-93=3, Resulting Numbers: [2, 3] Generated Node #0,2,0: 99:[2, 3] Operation: 96-93=3 Exploring Operation: 93+2=95, Resulting Numbers: [96, 95] Generated Node #0,2,1: 99:[96, 95] Operation: 93+2=95 Exploring Operation: 93-2=91, Resulting Numbers: [96, 91] Generated Node #0,2,2: 99:[96, 91] Operation: 93-2=91 Exploring Operation: 2+96=98, Resulting Numbers: [93, 98] Generated Node #0,2,3: 99:[93, 98] Operation: 2+96=98 Moving to Node #0,2,0 Current State: 99:[2, 3], Operations: ['83+13=96', '96-93=3'] Exploring Operation: 2+3=5, Resulting Numbers: [5] 5,99 unequal: No Solution Exploring Operation: 2*3=6, Resulting Numbers: [6] 6,99 unequal: No Solution Exploring Operation: 3-2=1, Resulting Numbers: [1] 1,99 unequal: No Solution Moving to Node #0,2,3 Current State: 99:[93, 98], Operations: ['83+13=96', '2+96=98'] Exploring Operation: 98-93=5, Resulting Numbers: [5] 5,99 unequal: No Solution Exploring Operation: 93+98=191, Resulting Numbers: [191] 191,99 unequal: No Solution Exploring Operation: 93*98=9114, Resulting Numbers: [9114] 9114,99 unequal: No Solution Moving to Node #0,2,1 Current State: 99:[96, 95], Operations: ['83+13=96', '93+2=95'] Exploring Operation: 96*95=9120, Resulting Numbers: [9120] 9120,99 unequal: No Solution Exploring Operation: 96-95=1, Resulting Numbers: [1] 1,99 unequal: No Solution Exploring Operation: 96+95=191, Resulting Numbers: [191] 191,99 unequal: No Solution Moving to Node #0,2,2 Current State: 99:[96, 91], Operations: ['83+13=96', '93-2=91'] Exploring Operation: 96-91=5, Resulting Numbers: [5] 5,99 unequal: No Solution Exploring Operation: 96*91=8736, Resulting Numbers: [8736] 8736,99 unequal: No Solution Exploring Operation: 96+91=187, Resulting Numbers: [187] 187,99 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 #0,0 Current State: 99:[83, 13, 95], Operations: ['93+2=95'] Exploring Operation: 13+95=108, Resulting Numbers: [83, 108] Generated Node #0,0,0: 99:[83, 108] Operation: 13+95=108 Exploring Operation: 83-13=70, Resulting Numbers: [95, 70] Generated Node #0,0,1: 99:[95, 70] Operation: 83-13=70 Exploring Operation: 95-83=12, Resulting Numbers: [13, 12] Generated Node #0,0,2: 99:[13, 12] Operation: 95-83=12 Exploring Operation: 83+13=96, Resulting Numbers: [95, 96] Generated Node #0,0,3: 99:[95, 96] Operation: 83+13=96 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 99:[13, 12], Operations: ['93+2=95', '95-83=12'] Exploring Operation: 13*12=156, Resulting Numbers: [156] 156,99 unequal: No Solution Exploring Operation: 13+12=25, Resulting Numbers: [25] 25,99 unequal: No Solution Exploring Operation: 13-12=1, Resulting Numbers: [1] 1,99 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 99:[95, 96], Operations: ['93+2=95', '83+13=96'] Exploring Operation: 96-95=1, Resulting Numbers: [1] 1,99 unequal: No Solution Exploring Operation: 95+96=191, Resulting Numbers: [191] 191,99 unequal: No Solution Exploring Operation: 95*96=9120, Resulting Numbers: [9120] 9120,99 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 99:[83, 108], Operations: ['93+2=95', '13+95=108'] Exploring Operation: 83+108=191, Resulting Numbers: [191] 191,99 unequal: No Solution Exploring Operation: 108-83=25, Resulting Numbers: [25] 25,99 unequal: No Solution Exploring Operation: 83*108=8964, Resulting Numbers: [8964] 8964,99 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 99:[95, 70], Operations: ['93+2=95', '83-13=70'] Exploring Operation: 95-70=25, Resulting Numbers: [25] 25,99 unequal: No Solution Exploring Operation: 95*70=6650, Resulting Numbers: [6650] 6650,99 unequal: No Solution Exploring Operation: 95+70=165, Resulting Numbers: [165] 165,99 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:[93, 13, 85], Operations: ['83+2=85'] Exploring Operation: 93-85=8, Resulting Numbers: [13, 8] Generated Node #0,3,0: 99:[13, 8] Operation: 93-85=8 Exploring Operation: 93+13=106, Resulting Numbers: [85, 106] Generated Node #0,3,1: 99:[85, 106] Operation: 93+13=106 Exploring Operation: 93-13=80, Resulting Numbers: [85, 80] Generated Node #0,3,2: 99:[85, 80] Operation: 93-13=80 Exploring Operation: 13+85=98, Resulting Numbers: [93, 98] Generated Node #0,3,3: 99:[93, 98] Operation: 13+85=98 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 99:[13, 8], Operations: ['83+2=85', '93-85=8'] Exploring Operation: 13+8=21, Resulting Numbers: [21] 21,99 unequal: No Solution Exploring Operation: 13*8=104, Resulting Numbers: [104] 104,99 unequal: No Solution Exploring Operation: 13-8=5, Resulting Numbers: [5] 5,99 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:[93, 98], Operations: ['83+2=85', '13+85=98'] Exploring Operation: 98-93=5, Resulting Numbers: [5] 5,99 unequal: No Solution Exploring Operation: 93+98=191, Resulting Numbers: [191] 191,99 unequal: No Solution Exploring Operation: 93*98=9114, Resulting Numbers: [9114] 9114,99 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:[85, 106], Operations: ['83+2=85', '93+13=106'] Exploring Operation: 85+106=191, Resulting Numbers: [191] 191,99 unequal: No Solution Exploring Operation: 106-85=21, Resulting Numbers: [21] 21,99 unequal: No Solution Exploring Operation: 85*106=9010, Resulting Numbers: [9010] 9010,99 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:[85, 80], Operations: ['83+2=85', '93-13=80'] Exploring Operation: 85*80=6800, Resulting Numbers: [6800] 6800,99 unequal: No Solution Exploring Operation: 85+80=165, Resulting Numbers: [165] 165,99 unequal: No Solution Exploring Operation: 85-80=5, Resulting Numbers: [5] 5,99 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
[ 43, 96, 53, 59 ]
58
[ "96-43=53", "53/53=1", "59-1=58" ]
Current State: 58:[43, 96, 53, 59], Operations: [] Exploring Operation: 96-43=53, Resulting Numbers: [53, 59, 53] Generated Node #2: [53, 59, 53] from Operation: 96-43=53 Current State: 58:[53, 59, 53], Operations: ['96-43=53'] Exploring Operation: 53/53=1, Resulting Numbers: [59, 1] Generated Node #3: [59, 1] from Operation: 53/53=1 Current State: 58:[59, 1], Operations: ['96-43=53', '53/53=1'] Exploring Operation: 59-1=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[43, 96, 53, 59], Operations: [] Exploring Operation: 96-43=53, Resulting Numbers: [53, 59, 53] Generated Node #0,0: 58:[53, 59, 53] Operation: 96-43=53 Moving to Node #0,0 Current State: 58:[53, 59, 53], Operations: ['96-43=53'] Exploring Operation: 53/53=1, Resulting Numbers: [59, 1] Generated Node #0,0,0: 58:[59, 1] Operation: 53/53=1 Moving to Node #0,0,0 Current State: 58:[59, 1], Operations: ['96-43=53', '53/53=1'] Exploring Operation: 59-1=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Moving to Node #0 Current State: 58:[43, 96, 53, 59], Operations: [] Exploring Operation: 96-43=53, Resulting Numbers: [53, 59, 53] Generated Node #0,0: 58:[53, 59, 53] Operation: 96-43=53 Moving to Node #0,0 Current State: 58:[53, 59, 53], Operations: ['96-43=53'] Exploring Operation: 53/53=1, Resulting Numbers: [59, 1] Generated Node #0,0,0: 58:[59, 1] Operation: 53/53=1 Moving to Node #0,0,0 Current State: 58:[59, 1], Operations: ['96-43=53', '53/53=1'] Exploring Operation: 59-1=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
0.993924
hs_1
sum_heuristic
[ 63, 9, 80, 8 ]
16
[ "63+9=72", "80+8=88", "88-72=16" ]
Current State: 16:[63, 9, 80, 8], Operations: [] Exploring Operation: 63+9=72, Resulting Numbers: [80, 8, 72] Generated Node #2: [80, 8, 72] from Operation: 63+9=72 Current State: 16:[80, 8, 72], Operations: ['63+9=72'] Exploring Operation: 80+8=88, Resulting Numbers: [72, 88] Generated Node #3: [72, 88] from Operation: 80+8=88 Current State: 16:[72, 88], Operations: ['63+9=72', '80+8=88'] Exploring Operation: 88-72=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[63, 9, 80, 8], Operations: [] Exploring Operation: 80-63=17, Resulting Numbers: [9, 8, 17] Generated Node #0,0: 16:[9, 8, 17] Operation: 80-63=17 Start Sub Search at level 1: Moving to Node #0,0 Current State: 16:[9, 8, 17], Operations: ['80-63=17'] Exploring Operation: 17-9=8, Resulting Numbers: [8, 8] Generated Node #0,0,0: 16:[8, 8] Operation: 17-9=8 Moving to Node #0,0,0 Current State: 16:[8, 8], Operations: ['80-63=17', '17-9=8'] Exploring Operation: 8+8=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Moving to Node #0 Current State: 16:[63, 9, 80, 8], Operations: [] Exploring Operation: 80-63=17, Resulting Numbers: [9, 8, 17] Generated Node #0,0: 16:[9, 8, 17] Operation: 80-63=17 Moving to Node #0,0 Current State: 16:[9, 8, 17], Operations: ['80-63=17'] Exploring Operation: 17-9=8, Resulting Numbers: [8, 8] Generated Node #0,0,0: 16:[8, 8] Operation: 17-9=8 Moving to Node #0,0,0 Current State: 16:[8, 8], Operations: ['80-63=17', '17-9=8'] Exploring Operation: 8+8=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 69, 20, 21, 11 ]
84
[ "69+11=80", "80/20=4", "21*4=84" ]
Current State: 84:[69, 20, 21, 11], Operations: [] Exploring Operation: 69+11=80, Resulting Numbers: [20, 21, 80] Generated Node #2: [20, 21, 80] from Operation: 69+11=80 Current State: 84:[20, 21, 80], Operations: ['69+11=80'] Exploring Operation: 80/20=4, Resulting Numbers: [21, 4] Generated Node #3: [21, 4] from Operation: 80/20=4 Current State: 84:[21, 4], Operations: ['69+11=80', '80/20=4'] Exploring Operation: 21*4=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
4
Current State: 84:[69, 20, 21, 11], Operations: [] Exploring Operation: 69+20=89, Resulting Numbers: [21, 11, 89] Generated Node #0,0: 84:[21, 11, 89] Operation: 69+20=89 Exploring Operation: 69+11=80, Resulting Numbers: [20, 21, 80] Generated Node #0,1: 84:[20, 21, 80] Operation: 69+11=80 Exploring Operation: 69-20=49, Resulting Numbers: [21, 11, 49] Generated Node #0,2: 84:[21, 11, 49] Operation: 69-20=49 Exploring Operation: 69-21=48, Resulting Numbers: [20, 11, 48] Generated Node #0,3: 84:[20, 11, 48] Operation: 69-21=48 Exploring Operation: 69+21=90, Resulting Numbers: [20, 11, 90] Generated Node #0,4: 84:[20, 11, 90] Operation: 69+21=90 Start Sub Search at level 1: Moving to Node #0,1 Current State: 84:[20, 21, 80], Operations: ['69+11=80'] Exploring Operation: 20+21=41, Resulting Numbers: [80, 41] Generated Node #0,1,0: 84:[80, 41] Operation: 20+21=41 Exploring Operation: 80/20=4, Resulting Numbers: [21, 4] Generated Node #0,1,1: 84:[21, 4] Operation: 80/20=4 Exploring Operation: 21-20=1, Resulting Numbers: [80, 1] Generated Node #0,1,2: 84:[80, 1] Operation: 21-20=1 Exploring Operation: 20+80=100, Resulting Numbers: [21, 100] Generated Node #0,1,3: 84:[21, 100] Operation: 20+80=100 Exploring Operation: 80-20=60, Resulting Numbers: [21, 60] Generated Node #0,1,4: 84:[21, 60] Operation: 80-20=60 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 84:[21, 4], Operations: ['69+11=80', '80/20=4'] Exploring Operation: 21*4=84, Resulting Numbers: [84] 84,84 equal: Goal Reached Moving to Node #0 Current State: 84:[69, 20, 21, 11], Operations: [] Exploring Operation: 69+11=80, Resulting Numbers: [20, 21, 80] Generated Node #0,1: 84:[20, 21, 80] Operation: 69+11=80 Moving to Node #0,1 Current State: 84:[20, 21, 80], Operations: ['69+11=80'] Exploring Operation: 80/20=4, Resulting Numbers: [21, 4] Generated Node #0,1,1: 84:[21, 4] Operation: 80/20=4 Moving to Node #0,1,1 Current State: 84:[21, 4], Operations: ['69+11=80', '80/20=4'] Exploring Operation: 21*4=84, Resulting Numbers: [84] 84,84 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986979
hs_5
mult_heuristic
[ 49, 23, 26, 49 ]
95
[ "49+23=72", "49-26=23", "72+23=95" ]
Current State: 95:[49, 23, 26, 49], Operations: [] Exploring Operation: 49+23=72, Resulting Numbers: [26, 72] Generated Node #2: [26, 72] from Operation: 49+23=72 Current State: 95:[26, 72], Operations: ['49+23=72'] Exploring Operation: 49-26=23, Resulting Numbers: [72, 23] Generated Node #3: [72, 23] from Operation: 49-26=23 Current State: 95:[72, 23], Operations: ['49+23=72', '49-26=23'] Exploring Operation: 72+23=95, Resulting Numbers: [95] 95,95 equal: Goal Reached
4
Current State: 95:[49, 23, 26, 49], Operations: [] Exploring Operation: 49-49=0, Resulting Numbers: [23, 26, 0] Generated Node #0,0: 95:[23, 26, 0] Operation: 49-49=0 Exploring Operation: 49/49=1, Resulting Numbers: [23, 26, 1] Generated Node #0,1: 95:[23, 26, 1] Operation: 49/49=1 Exploring Operation: 49+49=98, Resulting Numbers: [23, 26, 98] Generated Node #0,2: 95:[23, 26, 98] Operation: 49+49=98 Moving to Node #0,2 Current State: 95:[23, 26, 98], Operations: ['49+49=98'] Exploring Operation: 26-23=3, Resulting Numbers: [98, 3] Generated Node #0,2,0: 95:[98, 3] Operation: 26-23=3 Exploring Operation: 98-23=75, Resulting Numbers: [26, 75] Generated Node #0,2,1: 95:[26, 75] Operation: 98-23=75 Exploring Operation: 98-26=72, Resulting Numbers: [23, 72] Generated Node #0,2,2: 95:[23, 72] Operation: 98-26=72 Moving to Node #0,1 Current State: 95:[23, 26, 1], Operations: ['49/49=1'] Exploring Operation: 23-1=22, Resulting Numbers: [26, 22] Generated Node #0,1,0: 95:[26, 22] Operation: 23-1=22 Exploring Operation: 26-23=3, Resulting Numbers: [1, 3] Generated Node #0,1,1: 95:[1, 3] Operation: 26-23=3 Exploring Operation: 26-1=25, Resulting Numbers: [23, 25] Generated Node #0,1,2: 95:[23, 25] Operation: 26-1=25 Moving to Node #0,0 Current State: 95:[23, 26, 0], Operations: ['49-49=0'] Exploring Operation: 26-23=3, Resulting Numbers: [0, 3] Generated Node #0,0,0: 95:[0, 3] Operation: 26-23=3 Exploring Operation: 23+0=23, Resulting Numbers: [26, 23] Generated Node #0,0,1: 95:[26, 23] Operation: 23+0=23 Exploring Operation: 26*0=0, Resulting Numbers: [23, 0] Generated Node #0,0,2: 95:[23, 0] Operation: 26*0=0 Moving to Node #0,2,0 Current State: 95:[98, 3], Operations: ['49+49=98', '26-23=3'] Exploring Operation: 98*3=294, Resulting Numbers: [294] 294,95 unequal: No Solution Exploring Operation: 98+3=101, Resulting Numbers: [101] 101,95 unequal: No Solution Exploring Operation: 98-3=95, Resulting Numbers: [95] 95,95 equal: Goal Reached Moving to Node #0 Current State: 95:[49, 23, 26, 49], Operations: [] Exploring Operation: 49+49=98, Resulting Numbers: [23, 26, 98] Generated Node #0,2: 95:[23, 26, 98] Operation: 49+49=98 Moving to Node #0,2 Current State: 95:[23, 26, 98], Operations: ['49+49=98'] Exploring Operation: 26-23=3, Resulting Numbers: [98, 3] Generated Node #0,2,0: 95:[98, 3] Operation: 26-23=3 Moving to Node #0,2,0 Current State: 95:[98, 3], Operations: ['49+49=98', '26-23=3'] Exploring Operation: 98-3=95, Resulting Numbers: [95] 95,95 equal: Goal Reached
0.983507
hs_3
mult_heuristic
[ 98, 24, 1, 3 ]
89
[ "98-1=97", "24/3=8", "97-8=89" ]
Current State: 89:[98, 24, 1, 3], Operations: [] Exploring Operation: 98-1=97, Resulting Numbers: [24, 3, 97] Generated Node #2: [24, 3, 97] from Operation: 98-1=97 Current State: 89:[24, 3, 97], Operations: ['98-1=97'] Exploring Operation: 24/3=8, Resulting Numbers: [97, 8] Generated Node #3: [97, 8] from Operation: 24/3=8 Current State: 89:[97, 8], Operations: ['98-1=97', '24/3=8'] Exploring Operation: 97-8=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
4
Current State: 89:[98, 24, 1, 3], Operations: [] Exploring Operation: 24*3=72, Resulting Numbers: [98, 1, 72] Generated Node #0,0: 89:[98, 1, 72] Operation: 24*3=72 Exploring Operation: 24+1=25, Resulting Numbers: [98, 3, 25] Generated Node #0,1: 89:[98, 3, 25] Operation: 24+1=25 Exploring Operation: 98-3=95, Resulting Numbers: [24, 1, 95] Generated Node #0,2: 89:[24, 1, 95] Operation: 98-3=95 Exploring Operation: 98-1=97, Resulting Numbers: [24, 3, 97] Generated Node #0,3: 89:[24, 3, 97] Operation: 98-1=97 Moving to Node #0,0 Current State: 89:[98, 1, 72], Operations: ['24*3=72'] Exploring Operation: 98/1=98, Resulting Numbers: [72, 98] Generated Node #0,0,0: 89:[72, 98] Operation: 98/1=98 Exploring Operation: 98-1=97, Resulting Numbers: [72, 97] Generated Node #0,0,1: 89:[72, 97] Operation: 98-1=97 Exploring Operation: 1+72=73, Resulting Numbers: [98, 73] Generated Node #0,0,2: 89:[98, 73] Operation: 1+72=73 Exploring Operation: 98*1=98, Resulting Numbers: [72, 98] Generated Node #0,0,3: 89:[72, 98] Operation: 98*1=98 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 89:[72, 97], Operations: ['24*3=72', '98-1=97'] Exploring Operation: 72+97=169, Resulting Numbers: [169] 169,89 unequal: No Solution Exploring Operation: 72*97=6984, Resulting Numbers: [6984] 6984,89 unequal: No Solution Exploring Operation: 97-72=25, Resulting Numbers: [25] 25,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 89:[98, 73], Operations: ['24*3=72', '1+72=73'] Exploring Operation: 98+73=171, Resulting Numbers: [171] 171,89 unequal: No Solution Exploring Operation: 98*73=7154, Resulting Numbers: [7154] 7154,89 unequal: No Solution Exploring Operation: 98-73=25, Resulting Numbers: [25] 25,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 89:[72, 98], Operations: ['24*3=72', '98/1=98'] Exploring Operation: 98-72=26, Resulting Numbers: [26] 26,89 unequal: No Solution Exploring Operation: 72*98=7056, Resulting Numbers: [7056] 7056,89 unequal: No Solution Exploring Operation: 72+98=170, Resulting Numbers: [170] 170,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 89:[72, 98], Operations: ['24*3=72', '98*1=98'] Exploring Operation: 98-72=26, Resulting Numbers: [26] 26,89 unequal: No Solution Exploring Operation: 72*98=7056, Resulting Numbers: [7056] 7056,89 unequal: No Solution Exploring Operation: 72+98=170, Resulting Numbers: [170] 170,89 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: 89:[24, 1, 95], Operations: ['98-3=95'] Exploring Operation: 24+1=25, Resulting Numbers: [95, 25] Generated Node #0,2,0: 89:[95, 25] Operation: 24+1=25 Exploring Operation: 95-1=94, Resulting Numbers: [24, 94] Generated Node #0,2,1: 89:[24, 94] Operation: 95-1=94 Exploring Operation: 24*1=24, Resulting Numbers: [95, 24] Generated Node #0,2,2: 89:[95, 24] Operation: 24*1=24 Exploring Operation: 24/1=24, Resulting Numbers: [95, 24] Generated Node #0,2,3: 89:[95, 24] Operation: 24/1=24 Moving to Node #0,1 Current State: 89:[98, 3, 25], Operations: ['24+1=25'] Exploring Operation: 98-3=95, Resulting Numbers: [25, 95] Generated Node #0,1,0: 89:[25, 95] Operation: 98-3=95 Exploring Operation: 3+25=28, Resulting Numbers: [98, 28] Generated Node #0,1,1: 89:[98, 28] Operation: 3+25=28 Exploring Operation: 3*25=75, Resulting Numbers: [98, 75] Generated Node #0,1,2: 89:[98, 75] Operation: 3*25=75 Exploring Operation: 98+3=101, Resulting Numbers: [25, 101] Generated Node #0,1,3: 89:[25, 101] Operation: 98+3=101 Moving to Node #0,3 Current State: 89:[24, 3, 97], Operations: ['98-1=97'] Exploring Operation: 24+3=27, Resulting Numbers: [97, 27] Generated Node #0,3,0: 89:[97, 27] Operation: 24+3=27 Exploring Operation: 97-3=94, Resulting Numbers: [24, 94] Generated Node #0,3,1: 89:[24, 94] Operation: 97-3=94 Exploring Operation: 24*3=72, Resulting Numbers: [97, 72] Generated Node #0,3,2: 89:[97, 72] Operation: 24*3=72 Exploring Operation: 24-3=21, Resulting Numbers: [97, 21] Generated Node #0,3,3: 89:[97, 21] Operation: 24-3=21 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 89:[97, 72], Operations: ['98-1=97', '24*3=72'] Exploring Operation: 97*72=6984, Resulting Numbers: [6984] 6984,89 unequal: No Solution Exploring Operation: 97-72=25, Resulting Numbers: [25] 25,89 unequal: No Solution Exploring Operation: 97+72=169, Resulting Numbers: [169] 169,89 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 #0,3,0 Current State: 89:[97, 27], Operations: ['98-1=97', '24+3=27'] Exploring Operation: 97*27=2619, Resulting Numbers: [2619] 2619,89 unequal: No Solution Exploring Operation: 97-27=70, Resulting Numbers: [70] 70,89 unequal: No Solution Exploring Operation: 97+27=124, Resulting Numbers: [124] 124,89 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 #0,3,1 Current State: 89:[24, 94], Operations: ['98-1=97', '97-3=94'] Exploring Operation: 24*94=2256, Resulting Numbers: [2256] 2256,89 unequal: No Solution Exploring Operation: 94-24=70, Resulting Numbers: [70] 70,89 unequal: No Solution Exploring Operation: 24+94=118, Resulting Numbers: [118] 118,89 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 #0,3,3 Current State: 89:[97, 21], Operations: ['98-1=97', '24-3=21'] Exploring Operation: 97-21=76, Resulting Numbers: [76] 76,89 unequal: No Solution Exploring Operation: 97+21=118, Resulting Numbers: [118] 118,89 unequal: No Solution Exploring Operation: 97*21=2037, Resulting Numbers: [2037] 2037,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1,2 Current State: 89:[98, 75], Operations: ['24+1=25', '3*25=75'] Exploring Operation: 98*75=7350, Resulting Numbers: [7350] 7350,89 unequal: No Solution Exploring Operation: 98+75=173, Resulting Numbers: [173] 173,89 unequal: No Solution Exploring Operation: 98-75=23, Resulting Numbers: [23] 23,89 unequal: No Solution Moving to Node #0,1,0 Current State: 89:[25, 95], Operations: ['24+1=25', '98-3=95'] Exploring Operation: 25*95=2375, Resulting Numbers: [2375] 2375,89 unequal: No Solution Exploring Operation: 95-25=70, Resulting Numbers: [70] 70,89 unequal: No Solution Exploring Operation: 25+95=120, Resulting Numbers: [120] 120,89 unequal: No Solution Moving to Node #0,1,1 Current State: 89:[98, 28], Operations: ['24+1=25', '3+25=28'] Exploring Operation: 98+28=126, Resulting Numbers: [126] 126,89 unequal: No Solution Exploring Operation: 98*28=2744, Resulting Numbers: [2744] 2744,89 unequal: No Solution Exploring Operation: 98-28=70, Resulting Numbers: [70] 70,89 unequal: No Solution Moving to Node #0,2,0 Current State: 89:[95, 25], Operations: ['98-3=95', '24+1=25'] Exploring Operation: 95*25=2375, Resulting Numbers: [2375] 2375,89 unequal: No Solution Exploring Operation: 95-25=70, Resulting Numbers: [70] 70,89 unequal: No Solution Exploring Operation: 95+25=120, Resulting Numbers: [120] 120,89 unequal: No Solution Moving to Node #0,2,1 Current State: 89:[24, 94], Operations: ['98-3=95', '95-1=94'] Exploring Operation: 24+94=118, Resulting Numbers: [118] 118,89 unequal: No Solution Exploring Operation: 94-24=70, Resulting Numbers: [70] 70,89 unequal: No Solution Exploring Operation: 24*94=2256, Resulting Numbers: [2256] 2256,89 unequal: No Solution Moving to Node #0,2,2 Current State: 89:[95, 24], Operations: ['98-3=95', '24*1=24'] Exploring Operation: 95*24=2280, Resulting Numbers: [2280] 2280,89 unequal: No Solution Exploring Operation: 95-24=71, Resulting Numbers: [71] 71,89 unequal: No Solution Exploring Operation: 95+24=119, Resulting Numbers: [119] 119,89 unequal: No Solution Moving to Node #0,2,3 Current State: 89:[95, 24], Operations: ['98-3=95', '24/1=24'] Exploring Operation: 95+24=119, Resulting Numbers: [119] 119,89 unequal: No Solution Exploring Operation: 95*24=2280, Resulting Numbers: [2280] 2280,89 unequal: No Solution Exploring Operation: 95-24=71, Resulting Numbers: [71] 71,89 unequal: No Solution Moving to Node #0,1,3 Current State: 89:[25, 101], Operations: ['24+1=25', '98+3=101'] Exploring Operation: 25+101=126, Resulting Numbers: [126] 126,89 unequal: No Solution Exploring Operation: 25*101=2525, Resulting Numbers: [2525] 2525,89 unequal: No Solution Exploring Operation: 101-25=76, Resulting Numbers: [76] 76,89 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 55, 26, 32, 57 ]
91
[ "55+57=112", "26*112=2912", "2912/32=91" ]
Current State: 91:[55, 26, 32, 57], Operations: [] Exploring Operation: 55+57=112, Resulting Numbers: [26, 32, 112] Generated Node #2: [26, 32, 112] from Operation: 55+57=112 Current State: 91:[26, 32, 112], Operations: ['55+57=112'] Exploring Operation: 26*112=2912, Resulting Numbers: [32, 2912] Generated Node #3: [32, 2912] from Operation: 26*112=2912 Current State: 91:[32, 2912], Operations: ['55+57=112', '26*112=2912'] Exploring Operation: 2912/32=91, Resulting Numbers: [91] 91,91 equal: Goal Reached
4
Current State: 91:[55, 26, 32, 57], Operations: [] Exploring Operation: 32+57=89, Resulting Numbers: [55, 26, 89] Generated Node #0,0: 91:[55, 26, 89] Operation: 32+57=89 Exploring Operation: 57-55=2, Resulting Numbers: [26, 32, 2] Generated Node #0,1: 91:[26, 32, 2] Operation: 57-55=2 Exploring Operation: 55+57=112, Resulting Numbers: [26, 32, 112] Generated Node #0,2: 91:[26, 32, 112] Operation: 55+57=112 Exploring Operation: 55+32=87, Resulting Numbers: [26, 57, 87] Generated Node #0,3: 91:[26, 57, 87] Operation: 55+32=87 Start Sub Search at level 1: Moving to Node #0,1 Current State: 91:[26, 32, 2], Operations: ['57-55=2'] Exploring Operation: 32/2=16, Resulting Numbers: [26, 16] Generated Node #0,1,0: 91:[26, 16] Operation: 32/2=16 Exploring Operation: 26/2=13, Resulting Numbers: [32, 13] Generated Node #0,1,1: 91:[32, 13] Operation: 26/2=13 Exploring Operation: 32-26=6, Resulting Numbers: [2, 6] Generated Node #0,1,2: 91:[2, 6] Operation: 32-26=6 Exploring Operation: 26-2=24, Resulting Numbers: [32, 24] Generated Node #0,1,3: 91:[32, 24] Operation: 26-2=24 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 91:[2, 6], Operations: ['57-55=2', '32-26=6'] Exploring Operation: 6-2=4, Resulting Numbers: [4] 4,91 unequal: No Solution Exploring Operation: 6/2=3, Resulting Numbers: [3] 3,91 unequal: No Solution Exploring Operation: 2+6=8, Resulting Numbers: [8] 8,91 unequal: No Solution Exploring Operation: 2*6=12, Resulting Numbers: [12] 12,91 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 91:[26, 16], Operations: ['57-55=2', '32/2=16'] Exploring Operation: 26*16=416, Resulting Numbers: [416] 416,91 unequal: No Solution Exploring Operation: 26+16=42, Resulting Numbers: [42] 42,91 unequal: No Solution Exploring Operation: 26-16=10, Resulting Numbers: [10] 10,91 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 91:[32, 13], Operations: ['57-55=2', '26/2=13'] Exploring Operation: 32-13=19, Resulting Numbers: [19] 19,91 unequal: No Solution Exploring Operation: 32+13=45, Resulting Numbers: [45] 45,91 unequal: No Solution Exploring Operation: 32*13=416, Resulting Numbers: [416] 416,91 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 91:[32, 24], Operations: ['57-55=2', '26-2=24'] Exploring Operation: 32*24=768, Resulting Numbers: [768] 768,91 unequal: No Solution Exploring Operation: 32-24=8, Resulting Numbers: [8] 8,91 unequal: No Solution Exploring Operation: 32+24=56, Resulting Numbers: [56] 56,91 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 91:[55, 26, 89], Operations: ['32+57=89'] Exploring Operation: 89-55=34, Resulting Numbers: [26, 34] Generated Node #0,0,0: 91:[26, 34] Operation: 89-55=34 Exploring Operation: 26+89=115, Resulting Numbers: [55, 115] Generated Node #0,0,1: 91:[55, 115] Operation: 26+89=115 Exploring Operation: 55-26=29, Resulting Numbers: [89, 29] Generated Node #0,0,2: 91:[89, 29] Operation: 55-26=29 Exploring Operation: 55+26=81, Resulting Numbers: [89, 81] Generated Node #0,0,3: 91:[89, 81] Operation: 55+26=81 Moving to Node #0,0,3 Current State: 91:[89, 81], Operations: ['32+57=89', '55+26=81'] Exploring Operation: 89-81=8, Resulting Numbers: [8] 8,91 unequal: No Solution Exploring Operation: 89+81=170, Resulting Numbers: [170] 170,91 unequal: No Solution Exploring Operation: 89*81=7209, Resulting Numbers: [7209] 7209,91 unequal: No Solution Moving to Node #0,0,2 Current State: 91:[89, 29], Operations: ['32+57=89', '55-26=29'] Exploring Operation: 89+29=118, Resulting Numbers: [118] 118,91 unequal: No Solution Exploring Operation: 89-29=60, Resulting Numbers: [60] 60,91 unequal: No Solution Exploring Operation: 89*29=2581, Resulting Numbers: [2581] 2581,91 unequal: No Solution Moving to Node #0,0,0 Current State: 91:[26, 34], Operations: ['32+57=89', '89-55=34'] Exploring Operation: 26*34=884, Resulting Numbers: [884] 884,91 unequal: No Solution Exploring Operation: 26+34=60, Resulting Numbers: [60] 60,91 unequal: No Solution Exploring Operation: 34-26=8, Resulting Numbers: [8] 8,91 unequal: No Solution Moving to Node #0,0,1 Current State: 91:[55, 115], Operations: ['32+57=89', '26+89=115'] Exploring Operation: 55+115=170, Resulting Numbers: [170] 170,91 unequal: No Solution Exploring Operation: 115-55=60, Resulting Numbers: [60] 60,91 unequal: No Solution Exploring Operation: 55*115=6325, Resulting Numbers: [6325] 6325,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 91:[26, 57, 87], Operations: ['55+32=87'] Exploring Operation: 26+87=113, Resulting Numbers: [57, 113] Generated Node #0,3,0: 91:[57, 113] Operation: 26+87=113 Exploring Operation: 57-26=31, Resulting Numbers: [87, 31] Generated Node #0,3,1: 91:[87, 31] Operation: 57-26=31 Exploring Operation: 87-57=30, Resulting Numbers: [26, 30] Generated Node #0,3,2: 91:[26, 30] Operation: 87-57=30 Exploring Operation: 26+57=83, Resulting Numbers: [87, 83] Generated Node #0,3,3: 91:[87, 83] Operation: 26+57=83 Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 91:[87, 83], Operations: ['55+32=87', '26+57=83'] Exploring Operation: 87+83=170, Resulting Numbers: [170] 170,91 unequal: No Solution Exploring Operation: 87*83=7221, Resulting Numbers: [7221] 7221,91 unequal: No Solution Exploring Operation: 87-83=4, Resulting Numbers: [4] 4,91 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 91:[87, 31], Operations: ['55+32=87', '57-26=31'] Exploring Operation: 87+31=118, Resulting Numbers: [118] 118,91 unequal: No Solution Exploring Operation: 87-31=56, Resulting Numbers: [56] 56,91 unequal: No Solution Exploring Operation: 87*31=2697, Resulting Numbers: [2697] 2697,91 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 91:[26, 30], Operations: ['55+32=87', '87-57=30'] Exploring Operation: 26*30=780, Resulting Numbers: [780] 780,91 unequal: No Solution Exploring Operation: 26+30=56, Resulting Numbers: [56] 56,91 unequal: No Solution Exploring Operation: 30-26=4, Resulting Numbers: [4] 4,91 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 91:[57, 113], Operations: ['55+32=87', '26+87=113'] Exploring Operation: 57+113=170, Resulting Numbers: [170] 170,91 unequal: No Solution Exploring Operation: 113-57=56, Resulting Numbers: [56] 56,91 unequal: No Solution Exploring Operation: 57*113=6441, Resulting Numbers: [6441] 6441,91 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 91:[26, 32, 112], Operations: ['55+57=112'] Exploring Operation: 112-26=86, Resulting Numbers: [32, 86] Generated Node #0,2,0: 91:[32, 86] Operation: 112-26=86 Exploring Operation: 26+32=58, Resulting Numbers: [112, 58] Generated Node #0,2,1: 91:[112, 58] Operation: 26+32=58 Exploring Operation: 112-32=80, Resulting Numbers: [26, 80] Generated Node #0,2,2: 91:[26, 80] Operation: 112-32=80 Exploring Operation: 32-26=6, Resulting Numbers: [112, 6] Generated Node #0,2,3: 91:[112, 6] Operation: 32-26=6 Moving to Node #0,2,3 Current State: 91:[112, 6], Operations: ['55+57=112', '32-26=6'] Exploring Operation: 112-6=106, Resulting Numbers: [106] 106,91 unequal: No Solution Exploring Operation: 112+6=118, Resulting Numbers: [118] 118,91 unequal: No Solution Exploring Operation: 112*6=672, Resulting Numbers: [672] 672,91 unequal: No Solution Moving to Node #0,2,2 Current State: 91:[26, 80], Operations: ['55+57=112', '112-32=80'] Exploring Operation: 80-26=54, Resulting Numbers: [54] 54,91 unequal: No Solution Exploring Operation: 26+80=106, Resulting Numbers: [106] 106,91 unequal: No Solution Exploring Operation: 26*80=2080, Resulting Numbers: [2080] 2080,91 unequal: No Solution Moving to Node #0,2,0 Current State: 91:[32, 86], Operations: ['55+57=112', '112-26=86'] Exploring Operation: 32+86=118, Resulting Numbers: [118] 118,91 unequal: No Solution Exploring Operation: 32*86=2752, Resulting Numbers: [2752] 2752,91 unequal: No Solution Exploring Operation: 86-32=54, Resulting Numbers: [54] 54,91 unequal: No Solution Moving to Node #0,2,1 Current State: 91:[112, 58], Operations: ['55+57=112', '26+32=58'] Exploring Operation: 112-58=54, Resulting Numbers: [54] 54,91 unequal: No Solution Exploring Operation: 112+58=170, Resulting Numbers: [170] 170,91 unequal: No Solution Exploring Operation: 112*58=6496, Resulting Numbers: [6496] 6496,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
mult_heuristic
[ 15, 71, 44, 4 ]
90
[ "15+71=86", "44*4=176", "176-86=90" ]
Current State: 90:[15, 71, 44, 4], Operations: [] Exploring Operation: 15+71=86, Resulting Numbers: [44, 4, 86] Generated Node #2: [44, 4, 86] from Operation: 15+71=86 Current State: 90:[44, 4, 86], Operations: ['15+71=86'] Exploring Operation: 44*4=176, Resulting Numbers: [86, 176] Generated Node #3: [86, 176] from Operation: 44*4=176 Current State: 90:[86, 176], Operations: ['15+71=86', '44*4=176'] Exploring Operation: 176-86=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
4
Current State: 90:[15, 71, 44, 4], Operations: [] Exploring Operation: 71+4=75, Resulting Numbers: [15, 44, 75] Generated Node #0,0: 90:[15, 44, 75] Operation: 71+4=75 Exploring Operation: 71-15=56, Resulting Numbers: [44, 4, 56] Generated Node #0,1: 90:[44, 4, 56] Operation: 71-15=56 Exploring Operation: 71-44=27, Resulting Numbers: [15, 4, 27] Generated Node #0,2: 90:[15, 4, 27] Operation: 71-44=27 Exploring Operation: 15+71=86, Resulting Numbers: [44, 4, 86] Generated Node #0,3: 90:[44, 4, 86] Operation: 15+71=86 Start Sub Search at level 1: Moving to Node #0,2 Current State: 90:[15, 4, 27], Operations: ['71-44=27'] Exploring Operation: 4+27=31, Resulting Numbers: [15, 31] Generated Node #0,2,0: 90:[15, 31] Operation: 4+27=31 Exploring Operation: 15-4=11, Resulting Numbers: [27, 11] Generated Node #0,2,1: 90:[27, 11] Operation: 15-4=11 Exploring Operation: 27-15=12, Resulting Numbers: [4, 12] Generated Node #0,2,2: 90:[4, 12] Operation: 27-15=12 Exploring Operation: 15+4=19, Resulting Numbers: [27, 19] Generated Node #0,2,3: 90:[27, 19] Operation: 15+4=19 Moving to Node #0,2,0 Current State: 90:[15, 31], Operations: ['71-44=27', '4+27=31'] Exploring Operation: 15*31=465, Resulting Numbers: [465] 465,90 unequal: No Solution Exploring Operation: 31-15=16, Resulting Numbers: [16] 16,90 unequal: No Solution Exploring Operation: 15+31=46, Resulting Numbers: [46] 46,90 unequal: No Solution Moving to Node #0,2,2 Current State: 90:[4, 12], Operations: ['71-44=27', '27-15=12'] Exploring Operation: 4*12=48, Resulting Numbers: [48] 48,90 unequal: No Solution Exploring Operation: 12/4=3, Resulting Numbers: [3] 3,90 unequal: No Solution Exploring Operation: 4+12=16, Resulting Numbers: [16] 16,90 unequal: No Solution Exploring Operation: 12-4=8, Resulting Numbers: [8] 8,90 unequal: No Solution Moving to Node #0,2,3 Current State: 90:[27, 19], Operations: ['71-44=27', '15+4=19'] Exploring Operation: 27*19=513, Resulting Numbers: [513] 513,90 unequal: No Solution Exploring Operation: 27+19=46, Resulting Numbers: [46] 46,90 unequal: No Solution Exploring Operation: 27-19=8, Resulting Numbers: [8] 8,90 unequal: No Solution Moving to Node #0,2,1 Current State: 90:[27, 11], Operations: ['71-44=27', '15-4=11'] Exploring Operation: 27-11=16, Resulting Numbers: [16] 16,90 unequal: No Solution Exploring Operation: 27*11=297, Resulting Numbers: [297] 297,90 unequal: No Solution Exploring Operation: 27+11=38, Resulting Numbers: [38] 38,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 90:[44, 4, 86], Operations: ['15+71=86'] Exploring Operation: 4+86=90, Resulting Numbers: [44, 90] Generated Node #0,3,0: 90:[44, 90] Operation: 4+86=90 Exploring Operation: 44+4=48, Resulting Numbers: [86, 48] Generated Node #0,3,1: 90:[86, 48] Operation: 44+4=48 Exploring Operation: 86-44=42, Resulting Numbers: [4, 42] Generated Node #0,3,2: 90:[4, 42] Operation: 86-44=42 Exploring Operation: 44/4=11, Resulting Numbers: [86, 11] Generated Node #0,3,3: 90:[86, 11] Operation: 44/4=11 Moving to Node #0,3,0 Current State: 90:[44, 90], Operations: ['15+71=86', '4+86=90'] Exploring Operation: 44*90=3960, Resulting Numbers: [3960] 3960,90 unequal: No Solution Exploring Operation: 90-44=46, Resulting Numbers: [46] 46,90 unequal: No Solution Exploring Operation: 44+90=134, Resulting Numbers: [134] 134,90 unequal: No Solution Moving to Node #0,3,2 Current State: 90:[4, 42], Operations: ['15+71=86', '86-44=42'] Exploring Operation: 4*42=168, Resulting Numbers: [168] 168,90 unequal: No Solution Exploring Operation: 4+42=46, Resulting Numbers: [46] 46,90 unequal: No Solution Exploring Operation: 42-4=38, Resulting Numbers: [38] 38,90 unequal: No Solution Moving to Node #0,3,3 Current State: 90:[86, 11], Operations: ['15+71=86', '44/4=11'] Exploring Operation: 86*11=946, Resulting Numbers: [946] 946,90 unequal: No Solution Exploring Operation: 86+11=97, Resulting Numbers: [97] 97,90 unequal: No Solution Exploring Operation: 86-11=75, Resulting Numbers: [75] 75,90 unequal: No Solution Moving to Node #0,3,1 Current State: 90:[86, 48], Operations: ['15+71=86', '44+4=48'] Exploring Operation: 86*48=4128, Resulting Numbers: [4128] 4128,90 unequal: No Solution Exploring Operation: 86-48=38, Resulting Numbers: [38] 38,90 unequal: No Solution Exploring Operation: 86+48=134, Resulting Numbers: [134] 134,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 90:[44, 4, 56], Operations: ['71-15=56'] Exploring Operation: 44+56=100, Resulting Numbers: [4, 100] Generated Node #0,1,0: 90:[4, 100] Operation: 44+56=100 Exploring Operation: 56-44=12, Resulting Numbers: [4, 12] Generated Node #0,1,1: 90:[4, 12] Operation: 56-44=12 Exploring Operation: 56-4=52, Resulting Numbers: [44, 52] Generated Node #0,1,2: 90:[44, 52] Operation: 56-4=52 Exploring Operation: 56/4=14, Resulting Numbers: [44, 14] Generated Node #0,1,3: 90:[44, 14] Operation: 56/4=14 Moving to Node #0,1,3 Current State: 90:[44, 14], Operations: ['71-15=56', '56/4=14'] Exploring Operation: 44+14=58, Resulting Numbers: [58] 58,90 unequal: No Solution Exploring Operation: 44*14=616, Resulting Numbers: [616] 616,90 unequal: No Solution Exploring Operation: 44-14=30, Resulting Numbers: [30] 30,90 unequal: No Solution Moving to Node #0,1,1 Current State: 90:[4, 12], Operations: ['71-15=56', '56-44=12'] Exploring Operation: 4+12=16, Resulting Numbers: [16] 16,90 unequal: No Solution Exploring Operation: 4*12=48, Resulting Numbers: [48] 48,90 unequal: No Solution Exploring Operation: 12/4=3, Resulting Numbers: [3] 3,90 unequal: No Solution Exploring Operation: 12-4=8, Resulting Numbers: [8] 8,90 unequal: No Solution Moving to Node #0,1,2 Current State: 90:[44, 52], Operations: ['71-15=56', '56-4=52'] Exploring Operation: 44*52=2288, Resulting Numbers: [2288] 2288,90 unequal: No Solution Exploring Operation: 52-44=8, Resulting Numbers: [8] 8,90 unequal: No Solution Exploring Operation: 44+52=96, Resulting Numbers: [96] 96,90 unequal: No Solution Moving to Node #0,1,0 Current State: 90:[4, 100], Operations: ['71-15=56', '44+56=100'] Exploring Operation: 4+100=104, Resulting Numbers: [104] 104,90 unequal: No Solution Exploring Operation: 100/4=25, Resulting Numbers: [25] 25,90 unequal: No Solution Exploring Operation: 4*100=400, Resulting Numbers: [400] 400,90 unequal: No Solution Exploring Operation: 100-4=96, Resulting Numbers: [96] 96,90 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:[15, 44, 75], Operations: ['71+4=75'] Exploring Operation: 75/15=5, Resulting Numbers: [44, 5] Generated Node #0,0,0: 90:[44, 5] Operation: 75/15=5 Exploring Operation: 75-44=31, Resulting Numbers: [15, 31] Generated Node #0,0,1: 90:[15, 31] Operation: 75-44=31 Exploring Operation: 44-15=29, Resulting Numbers: [75, 29] Generated Node #0,0,2: 90:[75, 29] Operation: 44-15=29 Exploring Operation: 15+75=90, Resulting Numbers: [44, 90] Generated Node #0,0,3: 90:[44, 90] Operation: 15+75=90 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 90:[44, 5], Operations: ['71+4=75', '75/15=5'] Exploring Operation: 44+5=49, Resulting Numbers: [49] 49,90 unequal: No Solution Exploring Operation: 44-5=39, Resulting Numbers: [39] 39,90 unequal: No Solution Exploring Operation: 44*5=220, Resulting Numbers: [220] 220,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 90:[15, 31], Operations: ['71+4=75', '75-44=31'] Exploring Operation: 15+31=46, Resulting Numbers: [46] 46,90 unequal: No Solution Exploring Operation: 31-15=16, Resulting Numbers: [16] 16,90 unequal: No Solution Exploring Operation: 15*31=465, Resulting Numbers: [465] 465,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 90:[44, 90], Operations: ['71+4=75', '15+75=90'] Exploring Operation: 90-44=46, Resulting Numbers: [46] 46,90 unequal: No Solution Exploring Operation: 44*90=3960, Resulting Numbers: [3960] 3960,90 unequal: No Solution Exploring Operation: 44+90=134, Resulting Numbers: [134] 134,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 90:[75, 29], Operations: ['71+4=75', '44-15=29'] Exploring Operation: 75+29=104, Resulting Numbers: [104] 104,90 unequal: No Solution Exploring Operation: 75-29=46, Resulting Numbers: [46] 46,90 unequal: No Solution Exploring Operation: 75*29=2175, Resulting Numbers: [2175] 2175,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
mult_heuristic
[ 3, 27, 15, 5 ]
29
[ "27/3=9", "15+5=20", "9+20=29" ]
Current State: 29:[3, 27, 15, 5], Operations: [] Exploring Operation: 27/3=9, Resulting Numbers: [15, 5, 9] Generated Node #2: [15, 5, 9] from Operation: 27/3=9 Current State: 29:[15, 5, 9], Operations: ['27/3=9'] Exploring Operation: 15+5=20, Resulting Numbers: [9, 20] Generated Node #3: [9, 20] from Operation: 15+5=20 Current State: 29:[9, 20], Operations: ['27/3=9', '15+5=20'] Exploring Operation: 9+20=29, Resulting Numbers: [29] 29,29 equal: Goal Reached
4
Current State: 29:[3, 27, 15, 5], Operations: [] Exploring Operation: 3+27=30, Resulting Numbers: [15, 5, 30] Generated Node #0,0: 29:[15, 5, 30] Operation: 3+27=30 Exploring Operation: 3+15=18, Resulting Numbers: [27, 5, 18] Generated Node #0,1: 29:[27, 5, 18] Operation: 3+15=18 Exploring Operation: 15+5=20, Resulting Numbers: [3, 27, 20] Generated Node #0,2: 29:[3, 27, 20] Operation: 15+5=20 Exploring Operation: 3*5=15, Resulting Numbers: [27, 15, 15] Generated Node #0,3: 29:[27, 15, 15] Operation: 3*5=15 Exploring Operation: 3+5=8, Resulting Numbers: [27, 15, 8] Generated Node #0,4: 29:[27, 15, 8] Operation: 3+5=8 Start Sub Search at level 1: Moving to Node #0,3 Current State: 29:[27, 15, 15], Operations: ['3*5=15'] Exploring Operation: 15+15=30, Resulting Numbers: [27, 30] Generated Node #0,3,0: 29:[27, 30] Operation: 15+15=30 Exploring Operation: 27-15=12, Resulting Numbers: [15, 12] Generated Node #0,3,1: 29:[15, 12] Operation: 27-15=12 Exploring Operation: 27+15=42, Resulting Numbers: [15, 42] Generated Node #0,3,2: 29:[15, 42] Operation: 27+15=42 Exploring Operation: 27+15=42, Resulting Numbers: [15, 42] Generated Node #0,3,3: 29:[15, 42] Operation: 27+15=42 Exploring Operation: 15/15=1, Resulting Numbers: [27, 1] Generated Node #0,3,4: 29:[27, 1] Operation: 15/15=1 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 29:[27, 30], Operations: ['3*5=15', '15+15=30'] Exploring Operation: 27*30=810, Resulting Numbers: [810] 810,29 unequal: No Solution Exploring Operation: 27+30=57, Resulting Numbers: [57] 57,29 unequal: No Solution Exploring Operation: 30-27=3, Resulting Numbers: [3] 3,29 unequal: No Solution No 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: 29:[15, 42], Operations: ['3*5=15', '27+15=42'] Exploring Operation: 42-15=27, Resulting Numbers: [27] 27,29 unequal: No Solution Exploring Operation: 15*42=630, Resulting Numbers: [630] 630,29 unequal: No Solution Exploring Operation: 15+42=57, Resulting Numbers: [57] 57,29 unequal: No Solution No 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: 29:[15, 42], Operations: ['3*5=15', '27+15=42'] Exploring Operation: 15+42=57, Resulting Numbers: [57] 57,29 unequal: No Solution Exploring Operation: 42-15=27, Resulting Numbers: [27] 27,29 unequal: No Solution Exploring Operation: 15*42=630, Resulting Numbers: [630] 630,29 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 29:[27, 1], Operations: ['3*5=15', '15/15=1'] Exploring Operation: 27+1=28, Resulting Numbers: [28] 28,29 unequal: No Solution Exploring Operation: 27-1=26, Resulting Numbers: [26] 26,29 unequal: No Solution Exploring Operation: 27*1=27, Resulting Numbers: [27] 27,29 unequal: No Solution Exploring Operation: 27/1=27, Resulting Numbers: [27] 27,29 unequal: No Solution No 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: 29:[15, 12], Operations: ['3*5=15', '27-15=12'] Exploring Operation: 15+12=27, Resulting Numbers: [27] 27,29 unequal: No Solution Exploring Operation: 15*12=180, Resulting Numbers: [180] 180,29 unequal: No Solution Exploring Operation: 15-12=3, Resulting Numbers: [3] 3,29 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 29:[27, 5, 18], Operations: ['3+15=18'] Exploring Operation: 27-5=22, Resulting Numbers: [18, 22] Generated Node #0,1,0: 29:[18, 22] Operation: 27-5=22 Exploring Operation: 27+5=32, Resulting Numbers: [18, 32] Generated Node #0,1,1: 29:[18, 32] Operation: 27+5=32 Exploring Operation: 5+18=23, Resulting Numbers: [27, 23] Generated Node #0,1,2: 29:[27, 23] Operation: 5+18=23 Exploring Operation: 18-5=13, Resulting Numbers: [27, 13] Generated Node #0,1,3: 29:[27, 13] Operation: 18-5=13 Exploring Operation: 27+18=45, Resulting Numbers: [5, 45] Generated Node #0,1,4: 29:[5, 45] Operation: 27+18=45 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 29:[27, 23], Operations: ['3+15=18', '5+18=23'] Exploring Operation: 27*23=621, Resulting Numbers: [621] 621,29 unequal: No Solution Exploring Operation: 27-23=4, Resulting Numbers: [4] 4,29 unequal: No Solution Exploring Operation: 27+23=50, Resulting Numbers: [50] 50,29 unequal: No Solution No 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: 29:[18, 32], Operations: ['3+15=18', '27+5=32'] Exploring Operation: 18*32=576, Resulting Numbers: [576] 576,29 unequal: No Solution Exploring Operation: 18+32=50, Resulting Numbers: [50] 50,29 unequal: No Solution Exploring Operation: 32-18=14, Resulting Numbers: [14] 14,29 unequal: No Solution No 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: 29:[18, 22], Operations: ['3+15=18', '27-5=22'] Exploring Operation: 18*22=396, Resulting Numbers: [396] 396,29 unequal: No Solution Exploring Operation: 18+22=40, Resulting Numbers: [40] 40,29 unequal: No Solution Exploring Operation: 22-18=4, Resulting Numbers: [4] 4,29 unequal: No Solution No 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: 29:[27, 13], Operations: ['3+15=18', '18-5=13'] Exploring Operation: 27+13=40, Resulting Numbers: [40] 40,29 unequal: No Solution Exploring Operation: 27-13=14, Resulting Numbers: [14] 14,29 unequal: No Solution Exploring Operation: 27*13=351, Resulting Numbers: [351] 351,29 unequal: No Solution No 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: 29:[5, 45], Operations: ['3+15=18', '27+18=45'] Exploring Operation: 45/5=9, Resulting Numbers: [9] 9,29 unequal: No Solution Exploring Operation: 5*45=225, Resulting Numbers: [225] 225,29 unequal: No Solution Exploring Operation: 5+45=50, Resulting Numbers: [50] 50,29 unequal: No Solution Exploring Operation: 45-5=40, Resulting Numbers: [40] 40,29 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 29:[3, 27, 20], Operations: ['15+5=20'] Exploring Operation: 27/3=9, Resulting Numbers: [20, 9] Generated Node #0,2,0: 29:[20, 9] Operation: 27/3=9 Exploring Operation: 3+20=23, Resulting Numbers: [27, 23] Generated Node #0,2,1: 29:[27, 23] Operation: 3+20=23 Exploring Operation: 3+27=30, Resulting Numbers: [20, 30] Generated Node #0,2,2: 29:[20, 30] Operation: 3+27=30 Exploring Operation: 27-3=24, Resulting Numbers: [20, 24] Generated Node #0,2,3: 29:[20, 24] Operation: 27-3=24 Exploring Operation: 20-3=17, Resulting Numbers: [27, 17] Generated Node #0,2,4: 29:[27, 17] Operation: 20-3=17 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 29:[27, 23], Operations: ['15+5=20', '3+20=23'] Exploring Operation: 27*23=621, Resulting Numbers: [621] 621,29 unequal: No Solution Exploring Operation: 27+23=50, Resulting Numbers: [50] 50,29 unequal: No Solution Exploring Operation: 27-23=4, Resulting Numbers: [4] 4,29 unequal: No Solution No 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: 29:[20, 30], Operations: ['15+5=20', '3+27=30'] Exploring Operation: 20+30=50, Resulting Numbers: [50] 50,29 unequal: No Solution Exploring Operation: 20*30=600, Resulting Numbers: [600] 600,29 unequal: No Solution Exploring Operation: 30-20=10, Resulting Numbers: [10] 10,29 unequal: No Solution No 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: 29:[20, 24], Operations: ['15+5=20', '27-3=24'] Exploring Operation: 20*24=480, Resulting Numbers: [480] 480,29 unequal: No Solution Exploring Operation: 24-20=4, Resulting Numbers: [4] 4,29 unequal: No Solution Exploring Operation: 20+24=44, Resulting Numbers: [44] 44,29 unequal: No Solution No 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: 29:[27, 17], Operations: ['15+5=20', '20-3=17'] Exploring Operation: 27*17=459, Resulting Numbers: [459] 459,29 unequal: No Solution Exploring Operation: 27+17=44, Resulting Numbers: [44] 44,29 unequal: No Solution Exploring Operation: 27-17=10, Resulting Numbers: [10] 10,29 unequal: No Solution No 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: 29:[20, 9], Operations: ['15+5=20', '27/3=9'] Exploring Operation: 20+9=29, Resulting Numbers: [29] 29,29 equal: Goal Reached Moving to Node #0 Current State: 29:[3, 27, 15, 5], Operations: [] Exploring Operation: 15+5=20, Resulting Numbers: [3, 27, 20] Generated Node #0,2: 29:[3, 27, 20] Operation: 15+5=20 Moving to Node #0,2 Current State: 29:[3, 27, 20], Operations: ['15+5=20'] Exploring Operation: 27/3=9, Resulting Numbers: [20, 9] Generated Node #0,2,0: 29:[20, 9] Operation: 27/3=9 Moving to Node #0,2,0 Current State: 29:[20, 9], Operations: ['15+5=20', '27/3=9'] Exploring Operation: 20+9=29, Resulting Numbers: [29] 29,29 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.940104
hs_5
sum_heuristic
[ 82, 62, 11, 37 ]
46
[ "82-62=20", "37-11=26", "20+26=46" ]
Current State: 46:[82, 62, 11, 37], Operations: [] Exploring Operation: 82-62=20, Resulting Numbers: [11, 37, 20] Generated Node #2: [11, 37, 20] from Operation: 82-62=20 Current State: 46:[11, 37, 20], Operations: ['82-62=20'] Exploring Operation: 37-11=26, Resulting Numbers: [20, 26] Generated Node #3: [20, 26] from Operation: 37-11=26 Current State: 46:[20, 26], Operations: ['82-62=20', '37-11=26'] Exploring Operation: 20+26=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
4
Current State: 46:[82, 62, 11, 37], Operations: [] Exploring Operation: 82-62=20, Resulting Numbers: [11, 37, 20] Generated Node #0,0: 46:[11, 37, 20] Operation: 82-62=20 Exploring Operation: 82-37=45, Resulting Numbers: [62, 11, 45] Generated Node #0,1: 46:[62, 11, 45] Operation: 82-37=45 Moving to Node #0,0 Current State: 46:[11, 37, 20], Operations: ['82-62=20'] Exploring Operation: 37-11=26, Resulting Numbers: [20, 26] Generated Node #0,0,0: 46:[20, 26] Operation: 37-11=26 Exploring Operation: 11+37=48, Resulting Numbers: [20, 48] Generated Node #0,0,1: 46:[20, 48] Operation: 11+37=48 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 46:[20, 48], Operations: ['82-62=20', '11+37=48'] Exploring Operation: 20+48=68, Resulting Numbers: [68] 68,46 unequal: No Solution Exploring Operation: 48-20=28, Resulting Numbers: [28] 28,46 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:[20, 26], Operations: ['82-62=20', '37-11=26'] Exploring Operation: 20+26=46, Resulting Numbers: [46] 46,46 equal: Goal Reached Moving to Node #0 Current State: 46:[82, 62, 11, 37], Operations: [] Exploring Operation: 82-62=20, Resulting Numbers: [11, 37, 20] Generated Node #0,0: 46:[11, 37, 20] Operation: 82-62=20 Moving to Node #0,0 Current State: 46:[11, 37, 20], Operations: ['82-62=20'] Exploring Operation: 37-11=26, Resulting Numbers: [20, 26] Generated Node #0,0,0: 46:[20, 26] Operation: 37-11=26 Moving to Node #0,0,0 Current State: 46:[20, 26], Operations: ['82-62=20', '37-11=26'] Exploring Operation: 20+26=46, Resulting Numbers: [46] 46,46 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_2
sum_heuristic
[ 43, 57, 85, 55 ]
10
[ "57-43=14", "85+55=140", "140/14=10" ]
Current State: 10:[43, 57, 85, 55], Operations: [] Exploring Operation: 57-43=14, Resulting Numbers: [85, 55, 14] Generated Node #2: [85, 55, 14] from Operation: 57-43=14 Current State: 10:[85, 55, 14], Operations: ['57-43=14'] Exploring Operation: 85+55=140, Resulting Numbers: [14, 140] Generated Node #3: [14, 140] from Operation: 85+55=140 Current State: 10:[14, 140], Operations: ['57-43=14', '85+55=140'] Exploring Operation: 140/14=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
4
Current State: 10:[43, 57, 85, 55], Operations: [] Exploring Operation: 85-57=28, Resulting Numbers: [43, 55, 28] Generated Node #0,0: 10:[43, 55, 28] Operation: 85-57=28 Start Sub Search at level 1: Moving to Node #0,0 Current State: 10:[43, 55, 28], Operations: ['85-57=28'] Exploring Operation: 55-43=12, Resulting Numbers: [28, 12] Generated Node #0,0,0: 10:[28, 12] Operation: 55-43=12 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 10:[28, 12], Operations: ['85-57=28', '55-43=12'] Exploring Operation: 28-12=16, Resulting Numbers: [16] 16,10 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
mult_heuristic
[ 33, 46, 75, 80 ]
20
[ "33+46=79", "79-75=4", "80/4=20" ]
Current State: 20:[33, 46, 75, 80], Operations: [] Exploring Operation: 33+46=79, Resulting Numbers: [75, 80, 79] Generated Node #2: [75, 80, 79] from Operation: 33+46=79 Current State: 20:[75, 80, 79], Operations: ['33+46=79'] Exploring Operation: 79-75=4, Resulting Numbers: [80, 4] Generated Node #3: [80, 4] from Operation: 79-75=4 Current State: 20:[80, 4], Operations: ['33+46=79', '79-75=4'] Exploring Operation: 80/4=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[33, 46, 75, 80], Operations: [] Exploring Operation: 80-75=5, Resulting Numbers: [33, 46, 5] Generated Node #0,0: 20:[33, 46, 5] Operation: 80-75=5 Exploring Operation: 75-46=29, Resulting Numbers: [33, 80, 29] Generated Node #0,1: 20:[33, 80, 29] Operation: 75-46=29 Start Sub Search at level 1: Moving to Node #0,0 Current State: 20:[33, 46, 5], Operations: ['80-75=5'] Exploring Operation: 33-5=28, Resulting Numbers: [46, 28] Generated Node #0,0,0: 20:[46, 28] Operation: 33-5=28 Exploring Operation: 46-33=13, Resulting Numbers: [5, 13] Generated Node #0,0,1: 20:[5, 13] Operation: 46-33=13 Moving to Node #0,0,1 Current State: 20:[5, 13], Operations: ['80-75=5', '46-33=13'] Exploring Operation: 5+13=18, Resulting Numbers: [18] 18,20 unequal: No Solution Exploring Operation: 13-5=8, Resulting Numbers: [8] 8,20 unequal: No Solution Moving to Node #0,0,0 Current State: 20:[46, 28], Operations: ['80-75=5', '33-5=28'] Exploring Operation: 46-28=18, Resulting Numbers: [18] 18,20 unequal: No Solution Exploring Operation: 46+28=74, Resulting Numbers: [74] 74,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 20:[33, 80, 29], Operations: ['75-46=29'] Exploring Operation: 80-33=47, Resulting Numbers: [29, 47] Generated Node #0,1,0: 20:[29, 47] Operation: 80-33=47 Exploring Operation: 80-29=51, Resulting Numbers: [33, 51] Generated Node #0,1,1: 20:[33, 51] Operation: 80-29=51 Moving to Node #0,1,0 Current State: 20:[29, 47], Operations: ['75-46=29', '80-33=47'] Exploring Operation: 47-29=18, Resulting Numbers: [18] 18,20 unequal: No Solution Exploring Operation: 29+47=76, Resulting Numbers: [76] 76,20 unequal: No Solution Moving to Node #0,1,1 Current State: 20:[33, 51], Operations: ['75-46=29', '80-29=51'] Exploring Operation: 51-33=18, Resulting Numbers: [18] 18,20 unequal: No Solution Exploring Operation: 33+51=84, Resulting Numbers: [84] 84,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 96, 91, 28, 94 ]
61
[ "96-91=5", "94-28=66", "66-5=61" ]
Current State: 61:[96, 91, 28, 94], Operations: [] Exploring Operation: 96-91=5, Resulting Numbers: [28, 94, 5] Generated Node #2: [28, 94, 5] from Operation: 96-91=5 Current State: 61:[28, 94, 5], Operations: ['96-91=5'] Exploring Operation: 94-28=66, Resulting Numbers: [5, 66] Generated Node #3: [5, 66] from Operation: 94-28=66 Current State: 61:[5, 66], Operations: ['96-91=5', '94-28=66'] Exploring Operation: 66-5=61, Resulting Numbers: [61] 61,61 equal: Goal Reached
4
Current State: 61:[96, 91, 28, 94], Operations: [] Exploring Operation: 96-28=68, Resulting Numbers: [91, 94, 68] Generated Node #0,0: 61:[91, 94, 68] Operation: 96-28=68 Moving to Node #0,0 Current State: 61:[91, 94, 68], Operations: ['96-28=68'] Exploring Operation: 94-91=3, Resulting Numbers: [68, 3] Generated Node #0,0,0: 61:[68, 3] Operation: 94-91=3 Moving to Node #0,0,0 Current State: 61:[68, 3], Operations: ['96-28=68', '94-91=3'] Exploring Operation: 68-3=65, Resulting Numbers: [65] 65,61 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 8, 82, 45, 48 ]
50
[ "8+82=90", "90/45=2", "48+2=50" ]
Current State: 50:[8, 82, 45, 48], Operations: [] Exploring Operation: 8+82=90, Resulting Numbers: [45, 48, 90] Generated Node #2: [45, 48, 90] from Operation: 8+82=90 Current State: 50:[45, 48, 90], Operations: ['8+82=90'] Exploring Operation: 90/45=2, Resulting Numbers: [48, 2] Generated Node #3: [48, 2] from Operation: 90/45=2 Current State: 50:[48, 2], Operations: ['8+82=90', '90/45=2'] Exploring Operation: 48+2=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[8, 82, 45, 48], Operations: [] Exploring Operation: 82-48=34, Resulting Numbers: [8, 45, 34] Generated Node #0,0: 50:[8, 45, 34] Operation: 82-48=34 Exploring Operation: 82-45=37, Resulting Numbers: [8, 48, 37] Generated Node #0,1: 50:[8, 48, 37] Operation: 82-45=37 Start Sub Search at level 1: Moving to Node #0,0 Current State: 50:[8, 45, 34], Operations: ['82-48=34'] Exploring Operation: 34-8=26, Resulting Numbers: [45, 26] Generated Node #0,0,0: 50:[45, 26] Operation: 34-8=26 Exploring Operation: 45-34=11, Resulting Numbers: [8, 11] Generated Node #0,0,1: 50:[8, 11] Operation: 45-34=11 Moving to Node #0,0,1 Current State: 50:[8, 11], Operations: ['82-48=34', '45-34=11'] Exploring Operation: 11-8=3, Resulting Numbers: [3] 3,50 unequal: No Solution Exploring Operation: 8+11=19, Resulting Numbers: [19] 19,50 unequal: No Solution Moving to Node #0,0,0 Current State: 50:[45, 26], Operations: ['82-48=34', '34-8=26'] Exploring Operation: 45+26=71, Resulting Numbers: [71] 71,50 unequal: No Solution Exploring Operation: 45-26=19, Resulting Numbers: [19] 19,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 50:[8, 48, 37], Operations: ['82-45=37'] Exploring Operation: 48-37=11, Resulting Numbers: [8, 11] Generated Node #0,1,0: 50:[8, 11] Operation: 48-37=11 Exploring Operation: 37-8=29, Resulting Numbers: [48, 29] Generated Node #0,1,1: 50:[48, 29] Operation: 37-8=29 Moving to Node #0,1,0 Current State: 50:[8, 11], Operations: ['82-45=37', '48-37=11'] Exploring Operation: 11-8=3, Resulting Numbers: [3] 3,50 unequal: No Solution Exploring Operation: 8+11=19, Resulting Numbers: [19] 19,50 unequal: No Solution Moving to Node #0,1,1 Current State: 50:[48, 29], Operations: ['82-45=37', '37-8=29'] Exploring Operation: 48-29=19, Resulting Numbers: [19] 19,50 unequal: No Solution Exploring Operation: 48+29=77, Resulting Numbers: [77] 77,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 79, 22, 2, 9 ]
20
[ "79*2=158", "22+158=180", "180/9=20" ]
Current State: 20:[79, 22, 2, 9], Operations: [] Exploring Operation: 79*2=158, Resulting Numbers: [22, 9, 158] Generated Node #2: [22, 9, 158] from Operation: 79*2=158 Current State: 20:[22, 9, 158], Operations: ['79*2=158'] Exploring Operation: 22+158=180, Resulting Numbers: [9, 180] Generated Node #3: [9, 180] from Operation: 22+158=180 Current State: 20:[9, 180], Operations: ['79*2=158', '22+158=180'] Exploring Operation: 180/9=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[79, 22, 2, 9], Operations: [] Exploring Operation: 22-2=20, Resulting Numbers: [79, 9, 20] Generated Node #0,0: 20:[79, 9, 20] Operation: 22-2=20 Exploring Operation: 79-2=77, Resulting Numbers: [22, 9, 77] Generated Node #0,1: 20:[22, 9, 77] Operation: 79-2=77 Exploring Operation: 79-22=57, Resulting Numbers: [2, 9, 57] Generated Node #0,2: 20:[2, 9, 57] Operation: 79-22=57 Exploring Operation: 79-9=70, Resulting Numbers: [22, 2, 70] Generated Node #0,3: 20:[22, 2, 70] Operation: 79-9=70 Start Sub Search at level 1: Moving to Node #0,2 Current State: 20:[2, 9, 57], Operations: ['79-22=57'] Exploring Operation: 57-2=55, Resulting Numbers: [9, 55] Generated Node #0,2,0: 20:[9, 55] Operation: 57-2=55 Exploring Operation: 2*9=18, Resulting Numbers: [57, 18] Generated Node #0,2,1: 20:[57, 18] Operation: 2*9=18 Exploring Operation: 2+9=11, Resulting Numbers: [57, 11] Generated Node #0,2,2: 20:[57, 11] Operation: 2+9=11 Exploring Operation: 57-9=48, Resulting Numbers: [2, 48] Generated Node #0,2,3: 20:[2, 48] Operation: 57-9=48 Moving to Node #0,2,3 Current State: 20:[2, 48], Operations: ['79-22=57', '57-9=48'] Exploring Operation: 48/2=24, Resulting Numbers: [24] 24,20 unequal: No Solution Exploring Operation: 2*48=96, Resulting Numbers: [96] 96,20 unequal: No Solution Exploring Operation: 48-2=46, Resulting Numbers: [46] 46,20 unequal: No Solution Exploring Operation: 2+48=50, Resulting Numbers: [50] 50,20 unequal: No Solution Moving to Node #0,2,0 Current State: 20:[9, 55], Operations: ['79-22=57', '57-2=55'] Exploring Operation: 55-9=46, Resulting Numbers: [46] 46,20 unequal: No Solution Exploring Operation: 9*55=495, Resulting Numbers: [495] 495,20 unequal: No Solution Exploring Operation: 9+55=64, Resulting Numbers: [64] 64,20 unequal: No Solution Moving to Node #0,2,2 Current State: 20:[57, 11], Operations: ['79-22=57', '2+9=11'] Exploring Operation: 57*11=627, Resulting Numbers: [627] 627,20 unequal: No Solution Exploring Operation: 57+11=68, Resulting Numbers: [68] 68,20 unequal: No Solution Exploring Operation: 57-11=46, Resulting Numbers: [46] 46,20 unequal: No Solution Moving to Node #0,2,1 Current State: 20:[57, 18], Operations: ['79-22=57', '2*9=18'] Exploring Operation: 57*18=1026, Resulting Numbers: [1026] 1026,20 unequal: No Solution Exploring Operation: 57-18=39, Resulting Numbers: [39] 39,20 unequal: No Solution Exploring Operation: 57+18=75, Resulting Numbers: [75] 75,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 20:[22, 2, 70], Operations: ['79-9=70'] Exploring Operation: 22-2=20, Resulting Numbers: [70, 20] Generated Node #0,3,0: 20:[70, 20] Operation: 22-2=20 Exploring Operation: 70-22=48, Resulting Numbers: [2, 48] Generated Node #0,3,1: 20:[2, 48] Operation: 70-22=48 Exploring Operation: 70/2=35, Resulting Numbers: [22, 35] Generated Node #0,3,2: 20:[22, 35] Operation: 70/2=35 Exploring Operation: 70-2=68, Resulting Numbers: [22, 68] Generated Node #0,3,3: 20:[22, 68] Operation: 70-2=68 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 20:[22, 35], Operations: ['79-9=70', '70/2=35'] Exploring Operation: 35-22=13, Resulting Numbers: [13] 13,20 unequal: No Solution Exploring Operation: 22*35=770, Resulting Numbers: [770] 770,20 unequal: No Solution Exploring Operation: 22+35=57, Resulting Numbers: [57] 57,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 20:[2, 48], Operations: ['79-9=70', '70-22=48'] Exploring Operation: 2+48=50, Resulting Numbers: [50] 50,20 unequal: No Solution Exploring Operation: 2*48=96, Resulting Numbers: [96] 96,20 unequal: No Solution Exploring Operation: 48-2=46, Resulting Numbers: [46] 46,20 unequal: No Solution Exploring Operation: 48/2=24, Resulting Numbers: [24] 24,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 20:[70, 20], Operations: ['79-9=70', '22-2=20'] Exploring Operation: 70-20=50, Resulting Numbers: [50] 50,20 unequal: No Solution Exploring Operation: 70*20=1400, Resulting Numbers: [1400] 1400,20 unequal: No Solution Exploring Operation: 70+20=90, Resulting Numbers: [90] 90,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 20:[22, 68], Operations: ['79-9=70', '70-2=68'] Exploring Operation: 22+68=90, Resulting Numbers: [90] 90,20 unequal: No Solution Exploring Operation: 22*68=1496, Resulting Numbers: [1496] 1496,20 unequal: No Solution Exploring Operation: 68-22=46, Resulting Numbers: [46] 46,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 20:[79, 9, 20], Operations: ['22-2=20'] Exploring Operation: 79-20=59, Resulting Numbers: [9, 59] Generated Node #0,0,0: 20:[9, 59] Operation: 79-20=59 Exploring Operation: 20-9=11, Resulting Numbers: [79, 11] Generated Node #0,0,1: 20:[79, 11] Operation: 20-9=11 Exploring Operation: 79+9=88, Resulting Numbers: [20, 88] Generated Node #0,0,2: 20:[20, 88] Operation: 79+9=88 Exploring Operation: 79-9=70, Resulting Numbers: [20, 70] Generated Node #0,0,3: 20:[20, 70] Operation: 79-9=70 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 20:[9, 59], Operations: ['22-2=20', '79-20=59'] Exploring Operation: 9+59=68, Resulting Numbers: [68] 68,20 unequal: No Solution Exploring Operation: 59-9=50, Resulting Numbers: [50] 50,20 unequal: No Solution Exploring Operation: 9*59=531, Resulting Numbers: [531] 531,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 20:[20, 70], Operations: ['22-2=20', '79-9=70'] Exploring Operation: 20*70=1400, Resulting Numbers: [1400] 1400,20 unequal: No Solution Exploring Operation: 70-20=50, Resulting Numbers: [50] 50,20 unequal: No Solution Exploring Operation: 20+70=90, Resulting Numbers: [90] 90,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 20:[79, 11], Operations: ['22-2=20', '20-9=11'] Exploring Operation: 79*11=869, Resulting Numbers: [869] 869,20 unequal: No Solution Exploring Operation: 79-11=68, Resulting Numbers: [68] 68,20 unequal: No Solution Exploring Operation: 79+11=90, Resulting Numbers: [90] 90,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 20:[20, 88], Operations: ['22-2=20', '79+9=88'] Exploring Operation: 20+88=108, Resulting Numbers: [108] 108,20 unequal: No Solution Exploring Operation: 20*88=1760, Resulting Numbers: [1760] 1760,20 unequal: No Solution Exploring Operation: 88-20=68, Resulting Numbers: [68] 68,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 20:[22, 9, 77], Operations: ['79-2=77'] Exploring Operation: 77-9=68, Resulting Numbers: [22, 68] Generated Node #0,1,0: 20:[22, 68] Operation: 77-9=68 Exploring Operation: 22+9=31, Resulting Numbers: [77, 31] Generated Node #0,1,1: 20:[77, 31] Operation: 22+9=31 Exploring Operation: 77-22=55, Resulting Numbers: [9, 55] Generated Node #0,1,2: 20:[9, 55] Operation: 77-22=55 Exploring Operation: 22-9=13, Resulting Numbers: [77, 13] Generated Node #0,1,3: 20:[77, 13] Operation: 22-9=13 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 20:[9, 55], Operations: ['79-2=77', '77-22=55'] Exploring Operation: 55-9=46, Resulting Numbers: [46] 46,20 unequal: No Solution Exploring Operation: 9+55=64, Resulting Numbers: [64] 64,20 unequal: No Solution Exploring Operation: 9*55=495, Resulting Numbers: [495] 495,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 20:[22, 68], Operations: ['79-2=77', '77-9=68'] Exploring Operation: 22*68=1496, Resulting Numbers: [1496] 1496,20 unequal: No Solution Exploring Operation: 22+68=90, Resulting Numbers: [90] 90,20 unequal: No Solution Exploring Operation: 68-22=46, Resulting Numbers: [46] 46,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 20:[77, 13], Operations: ['79-2=77', '22-9=13'] Exploring Operation: 77*13=1001, Resulting Numbers: [1001] 1001,20 unequal: No Solution Exploring Operation: 77+13=90, Resulting Numbers: [90] 90,20 unequal: No Solution Exploring Operation: 77-13=64, Resulting Numbers: [64] 64,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 20:[77, 31], Operations: ['79-2=77', '22+9=31'] Exploring Operation: 77*31=2387, Resulting Numbers: [2387] 2387,20 unequal: No Solution Exploring Operation: 77+31=108, Resulting Numbers: [108] 108,20 unequal: No Solution Exploring Operation: 77-31=46, Resulting Numbers: [46] 46,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
mult_heuristic
[ 39, 65, 13, 15 ]
91
[ "39+65=104", "13*15=195", "195-104=91" ]
Current State: 91:[39, 65, 13, 15], Operations: [] Exploring Operation: 39+65=104, Resulting Numbers: [13, 15, 104] Generated Node #2: [13, 15, 104] from Operation: 39+65=104 Current State: 91:[13, 15, 104], Operations: ['39+65=104'] Exploring Operation: 13*15=195, Resulting Numbers: [104, 195] Generated Node #3: [104, 195] from Operation: 13*15=195 Current State: 91:[104, 195], Operations: ['39+65=104', '13*15=195'] Exploring Operation: 195-104=91, Resulting Numbers: [91] 91,91 equal: Goal Reached
4
Current State: 91:[39, 65, 13, 15], Operations: [] Exploring Operation: 65-39=26, Resulting Numbers: [13, 15, 26] Generated Node #0,0: 91:[13, 15, 26] Operation: 65-39=26 Exploring Operation: 39+65=104, Resulting Numbers: [13, 15, 104] Generated Node #0,1: 91:[13, 15, 104] Operation: 39+65=104 Exploring Operation: 65/13=5, Resulting Numbers: [39, 15, 5] Generated Node #0,2: 91:[39, 15, 5] Operation: 65/13=5 Exploring Operation: 39/13=3, Resulting Numbers: [65, 15, 3] Generated Node #0,3: 91:[65, 15, 3] Operation: 39/13=3 Exploring Operation: 39-15=24, Resulting Numbers: [65, 13, 24] Generated Node #0,4: 91:[65, 13, 24] Operation: 39-15=24 Moving to Node #0,0 Current State: 91:[13, 15, 26], Operations: ['65-39=26'] Exploring Operation: 13+15=28, Resulting Numbers: [26, 28] Generated Node #0,0,0: 91:[26, 28] Operation: 13+15=28 Exploring Operation: 26-15=11, Resulting Numbers: [13, 11] Generated Node #0,0,1: 91:[13, 11] Operation: 26-15=11 Exploring Operation: 26-13=13, Resulting Numbers: [15, 13] Generated Node #0,0,2: 91:[15, 13] Operation: 26-13=13 Exploring Operation: 26/13=2, Resulting Numbers: [15, 2] Generated Node #0,0,3: 91:[15, 2] Operation: 26/13=2 Exploring Operation: 15-13=2, Resulting Numbers: [26, 2] Generated Node #0,0,4: 91:[26, 2] Operation: 15-13=2 Moving to Node #0,1 Current State: 91:[13, 15, 104], Operations: ['39+65=104'] Exploring Operation: 15-13=2, Resulting Numbers: [104, 2] Generated Node #0,1,0: 91:[104, 2] Operation: 15-13=2 Exploring Operation: 13+15=28, Resulting Numbers: [104, 28] Generated Node #0,1,1: 91:[104, 28] Operation: 13+15=28 Exploring Operation: 104-15=89, Resulting Numbers: [13, 89] Generated Node #0,1,2: 91:[13, 89] Operation: 104-15=89 Exploring Operation: 104-13=91, Resulting Numbers: [15, 91] Generated Node #0,1,3: 91:[15, 91] Operation: 104-13=91 Exploring Operation: 104/13=8, Resulting Numbers: [15, 8] Generated Node #0,1,4: 91:[15, 8] Operation: 104/13=8 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 91:[13, 89], Operations: ['39+65=104', '104-15=89'] Exploring Operation: 89-13=76, Resulting Numbers: [76] 76,91 unequal: No Solution Exploring Operation: 13*89=1157, Resulting Numbers: [1157] 1157,91 unequal: No Solution Exploring Operation: 13+89=102, Resulting Numbers: [102] 102,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 91:[15, 91], Operations: ['39+65=104', '104-13=91'] Exploring Operation: 15*91=1365, Resulting Numbers: [1365] 1365,91 unequal: No Solution Exploring Operation: 91-15=76, Resulting Numbers: [76] 76,91 unequal: No Solution Exploring Operation: 15+91=106, Resulting Numbers: [106] 106,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 91:[15, 8], Operations: ['39+65=104', '104/13=8'] Exploring Operation: 15*8=120, Resulting Numbers: [120] 120,91 unequal: No Solution Exploring Operation: 15+8=23, Resulting Numbers: [23] 23,91 unequal: No Solution Exploring Operation: 15-8=7, Resulting Numbers: [7] 7,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 91:[104, 2], Operations: ['39+65=104', '15-13=2'] Exploring Operation: 104-2=102, Resulting Numbers: [102] 102,91 unequal: No Solution Exploring Operation: 104/2=52, Resulting Numbers: [52] 52,91 unequal: No Solution Exploring Operation: 104+2=106, Resulting Numbers: [106] 106,91 unequal: No Solution Exploring Operation: 104*2=208, Resulting Numbers: [208] 208,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 91:[104, 28], Operations: ['39+65=104', '13+15=28'] Exploring Operation: 104*28=2912, Resulting Numbers: [2912] 2912,91 unequal: No Solution Exploring Operation: 104+28=132, Resulting Numbers: [132] 132,91 unequal: No Solution Exploring Operation: 104-28=76, Resulting Numbers: [76] 76,91 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: 91:[39, 15, 5], Operations: ['65/13=5'] Exploring Operation: 15/5=3, Resulting Numbers: [39, 3] Generated Node #0,2,0: 91:[39, 3] Operation: 15/5=3 Exploring Operation: 39-5=34, Resulting Numbers: [15, 34] Generated Node #0,2,1: 91:[15, 34] Operation: 39-5=34 Exploring Operation: 39-15=24, Resulting Numbers: [5, 24] Generated Node #0,2,2: 91:[5, 24] Operation: 39-15=24 Exploring Operation: 39+5=44, Resulting Numbers: [15, 44] Generated Node #0,2,3: 91:[15, 44] Operation: 39+5=44 Exploring Operation: 15-5=10, Resulting Numbers: [39, 10] Generated Node #0,2,4: 91:[39, 10] Operation: 15-5=10 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 91:[5, 24], Operations: ['65/13=5', '39-15=24'] Exploring Operation: 5*24=120, Resulting Numbers: [120] 120,91 unequal: No Solution Exploring Operation: 24-5=19, Resulting Numbers: [19] 19,91 unequal: No Solution Exploring Operation: 5+24=29, Resulting Numbers: [29] 29,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 91:[15, 34], Operations: ['65/13=5', '39-5=34'] Exploring Operation: 15*34=510, Resulting Numbers: [510] 510,91 unequal: No Solution Exploring Operation: 15+34=49, Resulting Numbers: [49] 49,91 unequal: No Solution Exploring Operation: 34-15=19, Resulting Numbers: [19] 19,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 91:[39, 10], Operations: ['65/13=5', '15-5=10'] Exploring Operation: 39-10=29, Resulting Numbers: [29] 29,91 unequal: No Solution Exploring Operation: 39*10=390, Resulting Numbers: [390] 390,91 unequal: No Solution Exploring Operation: 39+10=49, Resulting Numbers: [49] 49,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 91:[39, 3], Operations: ['65/13=5', '15/5=3'] Exploring Operation: 39-3=36, Resulting Numbers: [36] 36,91 unequal: No Solution Exploring Operation: 39/3=13, Resulting Numbers: [13] 13,91 unequal: No Solution Exploring Operation: 39+3=42, Resulting Numbers: [42] 42,91 unequal: No Solution Exploring Operation: 39*3=117, Resulting Numbers: [117] 117,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 91:[15, 44], Operations: ['65/13=5', '39+5=44'] Exploring Operation: 44-15=29, Resulting Numbers: [29] 29,91 unequal: No Solution Exploring Operation: 15*44=660, Resulting Numbers: [660] 660,91 unequal: No Solution Exploring Operation: 15+44=59, Resulting Numbers: [59] 59,91 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: 91:[65, 15, 3], Operations: ['39/13=3'] Exploring Operation: 65+15=80, Resulting Numbers: [3, 80] Generated Node #0,3,0: 91:[3, 80] Operation: 65+15=80 Exploring Operation: 65+3=68, Resulting Numbers: [15, 68] Generated Node #0,3,1: 91:[15, 68] Operation: 65+3=68 Exploring Operation: 15/3=5, Resulting Numbers: [65, 5] Generated Node #0,3,2: 91:[65, 5] Operation: 15/3=5 Exploring Operation: 65-3=62, Resulting Numbers: [15, 62] Generated Node #0,3,3: 91:[15, 62] Operation: 65-3=62 Exploring Operation: 15-3=12, Resulting Numbers: [65, 12] Generated Node #0,3,4: 91:[65, 12] Operation: 15-3=12 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 91:[3, 80], Operations: ['39/13=3', '65+15=80'] Exploring Operation: 3+80=83, Resulting Numbers: [83] 83,91 unequal: No Solution Exploring Operation: 80-3=77, Resulting Numbers: [77] 77,91 unequal: No Solution Exploring Operation: 3*80=240, Resulting Numbers: [240] 240,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 91:[15, 68], Operations: ['39/13=3', '65+3=68'] Exploring Operation: 15+68=83, Resulting Numbers: [83] 83,91 unequal: No Solution Exploring Operation: 68-15=53, Resulting Numbers: [53] 53,91 unequal: No Solution Exploring Operation: 15*68=1020, Resulting Numbers: [1020] 1020,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 91:[65, 12], Operations: ['39/13=3', '15-3=12'] Exploring Operation: 65*12=780, Resulting Numbers: [780] 780,91 unequal: No Solution Exploring Operation: 65-12=53, Resulting Numbers: [53] 53,91 unequal: No Solution Exploring Operation: 65+12=77, Resulting Numbers: [77] 77,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 91:[65, 5], Operations: ['39/13=3', '15/3=5'] Exploring Operation: 65+5=70, Resulting Numbers: [70] 70,91 unequal: No Solution Exploring Operation: 65-5=60, Resulting Numbers: [60] 60,91 unequal: No Solution Exploring Operation: 65/5=13, Resulting Numbers: [13] 13,91 unequal: No Solution Exploring Operation: 65*5=325, Resulting Numbers: [325] 325,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 91:[15, 62], Operations: ['39/13=3', '65-3=62'] Exploring Operation: 15+62=77, Resulting Numbers: [77] 77,91 unequal: No Solution Exploring Operation: 15*62=930, Resulting Numbers: [930] 930,91 unequal: No Solution Exploring Operation: 62-15=47, Resulting Numbers: [47] 47,91 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: 91:[65, 13, 24], Operations: ['39-15=24'] Exploring Operation: 65-24=41, Resulting Numbers: [13, 41] Generated Node #0,4,0: 91:[13, 41] Operation: 65-24=41 Exploring Operation: 65+13=78, Resulting Numbers: [24, 78] Generated Node #0,4,1: 91:[24, 78] Operation: 65+13=78 Exploring Operation: 65/13=5, Resulting Numbers: [24, 5] Generated Node #0,4,2: 91:[24, 5] Operation: 65/13=5 Exploring Operation: 65+24=89, Resulting Numbers: [13, 89] Generated Node #0,4,3: 91:[13, 89] Operation: 65+24=89 Exploring Operation: 24-13=11, Resulting Numbers: [65, 11] Generated Node #0,4,4: 91:[65, 11] Operation: 24-13=11 Moving to Node #0,0,1 Current State: 91:[13, 11], Operations: ['65-39=26', '26-15=11'] Exploring Operation: 13*11=143, Resulting Numbers: [143] 143,91 unequal: No Solution Exploring Operation: 13+11=24, Resulting Numbers: [24] 24,91 unequal: No Solution Exploring Operation: 13-11=2, Resulting Numbers: [2] 2,91 unequal: No Solution Moving to Node #0,4,3 Current State: 91:[13, 89], Operations: ['39-15=24', '65+24=89'] Exploring Operation: 13+89=102, Resulting Numbers: [102] 102,91 unequal: No Solution Exploring Operation: 13*89=1157, Resulting Numbers: [1157] 1157,91 unequal: No Solution Exploring Operation: 89-13=76, Resulting Numbers: [76] 76,91 unequal: No Solution Moving to Node #0,0,2 Current State: 91:[15, 13], Operations: ['65-39=26', '26-13=13'] Exploring Operation: 15*13=195, Resulting Numbers: [195] 195,91 unequal: No Solution Exploring Operation: 15+13=28, Resulting Numbers: [28] 28,91 unequal: No Solution Exploring Operation: 15-13=2, Resulting Numbers: [2] 2,91 unequal: No Solution Moving to Node #0,0,3 Current State: 91:[15, 2], Operations: ['65-39=26', '26/13=2'] Exploring Operation: 15-2=13, Resulting Numbers: [13] 13,91 unequal: No Solution Exploring Operation: 15+2=17, Resulting Numbers: [17] 17,91 unequal: No Solution Exploring Operation: 15*2=30, Resulting Numbers: [30] 30,91 unequal: No Solution Moving to Node #0,4,2 Current State: 91:[24, 5], Operations: ['39-15=24', '65/13=5'] Exploring Operation: 24+5=29, Resulting Numbers: [29] 29,91 unequal: No Solution Exploring Operation: 24*5=120, Resulting Numbers: [120] 120,91 unequal: No Solution Exploring Operation: 24-5=19, Resulting Numbers: [19] 19,91 unequal: No Solution Moving to Node #0,0,4 Current State: 91:[26, 2], Operations: ['65-39=26', '15-13=2'] Exploring Operation: 26*2=52, Resulting Numbers: [52] 52,91 unequal: No Solution Exploring Operation: 26-2=24, Resulting Numbers: [24] 24,91 unequal: No Solution Exploring Operation: 26+2=28, Resulting Numbers: [28] 28,91 unequal: No Solution Exploring Operation: 26/2=13, Resulting Numbers: [13] 13,91 unequal: No Solution Moving to Node #0,4,1 Current State: 91:[24, 78], Operations: ['39-15=24', '65+13=78'] Exploring Operation: 24+78=102, Resulting Numbers: [102] 102,91 unequal: No Solution Exploring Operation: 78-24=54, Resulting Numbers: [54] 54,91 unequal: No Solution Exploring Operation: 24*78=1872, Resulting Numbers: [1872] 1872,91 unequal: No Solution Moving to Node #0,4,4 Current State: 91:[65, 11], Operations: ['39-15=24', '24-13=11'] Exploring Operation: 65*11=715, Resulting Numbers: [715] 715,91 unequal: No Solution Exploring Operation: 65+11=76, Resulting Numbers: [76] 76,91 unequal: No Solution Exploring Operation: 65-11=54, Resulting Numbers: [54] 54,91 unequal: No Solution Moving to Node #0,4,0 Current State: 91:[13, 41], Operations: ['39-15=24', '65-24=41'] Exploring Operation: 13+41=54, Resulting Numbers: [54] 54,91 unequal: No Solution Exploring Operation: 13*41=533, Resulting Numbers: [533] 533,91 unequal: No Solution Exploring Operation: 41-13=28, Resulting Numbers: [28] 28,91 unequal: No Solution Moving to Node #0,0,0 Current State: 91:[26, 28], Operations: ['65-39=26', '13+15=28'] Exploring Operation: 26*28=728, Resulting Numbers: [728] 728,91 unequal: No Solution Exploring Operation: 26+28=54, Resulting Numbers: [54] 54,91 unequal: No Solution Exploring Operation: 28-26=2, Resulting Numbers: [2] 2,91 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 32, 52, 13, 62 ]
34
[ "62-32=30", "52/13=4", "30+4=34" ]
Current State: 34:[32, 52, 13, 62], Operations: [] Exploring Operation: 62-32=30, Resulting Numbers: [52, 13, 30] Generated Node #2: [52, 13, 30] from Operation: 62-32=30 Current State: 34:[52, 13, 30], Operations: ['62-32=30'] Exploring Operation: 52/13=4, Resulting Numbers: [30, 4] Generated Node #3: [30, 4] from Operation: 52/13=4 Current State: 34:[30, 4], Operations: ['62-32=30', '52/13=4'] Exploring Operation: 30+4=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
4
Current State: 34:[32, 52, 13, 62], Operations: [] Exploring Operation: 62-52=10, Resulting Numbers: [32, 13, 10] Generated Node #0,0: 34:[32, 13, 10] Operation: 62-52=10 Start Sub Search at level 1: Moving to Node #0,0 Current State: 34:[32, 13, 10], Operations: ['62-52=10'] Exploring Operation: 13-10=3, Resulting Numbers: [32, 3] Generated Node #0,0,0: 34:[32, 3] Operation: 13-10=3 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 34:[32, 3], Operations: ['62-52=10', '13-10=3'] Exploring Operation: 32+3=35, Resulting Numbers: [35] 35,34 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 51, 3, 87, 87 ]
53
[ "51+3=54", "87/87=1", "54-1=53" ]
Current State: 53:[51, 3, 87, 87], Operations: [] Exploring Operation: 51+3=54, Resulting Numbers: [87, 87, 54] Generated Node #2: [87, 87, 54] from Operation: 51+3=54 Current State: 53:[87, 87, 54], Operations: ['51+3=54'] Exploring Operation: 87/87=1, Resulting Numbers: [54, 1] Generated Node #3: [54, 1] from Operation: 87/87=1 Current State: 53:[54, 1], Operations: ['51+3=54', '87/87=1'] Exploring Operation: 54-1=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[51, 3, 87, 87], Operations: [] Exploring Operation: 87/3=29, Resulting Numbers: [51, 87, 29] Generated Node #0,0: 53:[51, 87, 29] Operation: 87/3=29 Moving to Node #0,0 Current State: 53:[51, 87, 29], Operations: ['87/3=29'] Exploring Operation: 87-29=58, Resulting Numbers: [51, 58] Generated Node #0,0,0: 53:[51, 58] Operation: 87-29=58 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 53:[51, 58], Operations: ['87/3=29', '87-29=58'] Exploring Operation: 58-51=7, Resulting Numbers: [7] 7,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 26, 4, 96, 76 ]
38
[ "96/4=24", "26-24=2", "76/2=38" ]
Current State: 38:[26, 4, 96, 76], Operations: [] Exploring Operation: 96/4=24, Resulting Numbers: [26, 76, 24] Generated Node #2: [26, 76, 24] from Operation: 96/4=24 Current State: 38:[26, 76, 24], Operations: ['96/4=24'] Exploring Operation: 26-24=2, Resulting Numbers: [76, 2] Generated Node #3: [76, 2] from Operation: 26-24=2 Current State: 38:[76, 2], Operations: ['96/4=24', '26-24=2'] Exploring Operation: 76/2=38, Resulting Numbers: [38] 38,38 equal: Goal Reached
4
Current State: 38:[26, 4, 96, 76], Operations: [] Exploring Operation: 96-76=20, Resulting Numbers: [26, 4, 20] Generated Node #0,0: 38:[26, 4, 20] Operation: 96-76=20 Exploring Operation: 96/4=24, Resulting Numbers: [26, 76, 24] Generated Node #0,1: 38:[26, 76, 24] Operation: 96/4=24 Moving to Node #0,0 Current State: 38:[26, 4, 20], Operations: ['96-76=20'] Exploring Operation: 26-20=6, Resulting Numbers: [4, 6] Generated Node #0,0,0: 38:[4, 6] Operation: 26-20=6 Exploring Operation: 26-4=22, Resulting Numbers: [20, 22] Generated Node #0,0,1: 38:[20, 22] Operation: 26-4=22 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 38:[20, 22], Operations: ['96-76=20', '26-4=22'] Exploring Operation: 20+22=42, Resulting Numbers: [42] 42,38 unequal: No Solution Exploring Operation: 22-20=2, Resulting Numbers: [2] 2,38 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 38:[4, 6], Operations: ['96-76=20', '26-20=6'] Exploring Operation: 4*6=24, Resulting Numbers: [24] 24,38 unequal: No Solution Exploring Operation: 6-4=2, Resulting Numbers: [2] 2,38 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: 38:[26, 76, 24], Operations: ['96/4=24'] Exploring Operation: 76-24=52, Resulting Numbers: [26, 52] Generated Node #0,1,0: 38:[26, 52] Operation: 76-24=52 Exploring Operation: 76-26=50, Resulting Numbers: [24, 50] Generated Node #0,1,1: 38:[24, 50] Operation: 76-26=50 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 38:[24, 50], Operations: ['96/4=24', '76-26=50'] Exploring Operation: 50-24=26, Resulting Numbers: [26] 26,38 unequal: No Solution Exploring Operation: 24+50=74, Resulting Numbers: [74] 74,38 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 38:[26, 52], Operations: ['96/4=24', '76-24=52'] Exploring Operation: 52/26=2, Resulting Numbers: [2] 2,38 unequal: No Solution Exploring Operation: 52-26=26, Resulting Numbers: [26] 26,38 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 4, 41, 49, 82 ]
91
[ "82-49=33", "4*33=132", "132-41=91" ]
Current State: 91:[4, 41, 49, 82], Operations: [] Exploring Operation: 82-49=33, Resulting Numbers: [4, 41, 33] Generated Node #2: [4, 41, 33] from Operation: 82-49=33 Current State: 91:[4, 41, 33], Operations: ['82-49=33'] Exploring Operation: 4*33=132, Resulting Numbers: [41, 132] Generated Node #3: [41, 132] from Operation: 4*33=132 Current State: 91:[41, 132], Operations: ['82-49=33', '4*33=132'] Exploring Operation: 132-41=91, Resulting Numbers: [91] 91,91 equal: Goal Reached
4
Current State: 91:[4, 41, 49, 82], Operations: [] Exploring Operation: 41+49=90, Resulting Numbers: [4, 82, 90] Generated Node #0,0: 91:[4, 82, 90] Operation: 41+49=90 Start Sub Search at level 1: Moving to Node #0,0 Current State: 91:[4, 82, 90], Operations: ['41+49=90'] Exploring Operation: 90-82=8, Resulting Numbers: [4, 8] Generated Node #0,0,0: 91:[4, 8] Operation: 90-82=8 Moving to Node #0,0,0 Current State: 91:[4, 8], Operations: ['41+49=90', '90-82=8'] Exploring Operation: 4+8=12, Resulting Numbers: [12] 12,91 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
[ 9, 26, 4, 37 ]
55
[ "9-4=5", "37-26=11", "5*11=55" ]
Current State: 55:[9, 26, 4, 37], Operations: [] Exploring Operation: 9-4=5, Resulting Numbers: [26, 37, 5] Generated Node #2: [26, 37, 5] from Operation: 9-4=5 Current State: 55:[26, 37, 5], Operations: ['9-4=5'] Exploring Operation: 37-26=11, Resulting Numbers: [5, 11] Generated Node #3: [5, 11] from Operation: 37-26=11 Current State: 55:[5, 11], Operations: ['9-4=5', '37-26=11'] Exploring Operation: 5*11=55, Resulting Numbers: [55] 55,55 equal: Goal Reached
4
Current State: 55:[9, 26, 4, 37], Operations: [] Exploring Operation: 37-26=11, Resulting Numbers: [9, 4, 11] Generated Node #0,0: 55:[9, 4, 11] Operation: 37-26=11 Moving to Node #0,0 Current State: 55:[9, 4, 11], Operations: ['37-26=11'] Exploring Operation: 9-4=5, Resulting Numbers: [11, 5] Generated Node #0,0,0: 55:[11, 5] Operation: 9-4=5 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 55:[11, 5], Operations: ['37-26=11', '9-4=5'] Exploring Operation: 11*5=55, Resulting Numbers: [55] 55,55 equal: Goal Reached Moving to Node #0 Current State: 55:[9, 26, 4, 37], Operations: [] Exploring Operation: 37-26=11, Resulting Numbers: [9, 4, 11] Generated Node #0,0: 55:[9, 4, 11] Operation: 37-26=11 Moving to Node #0,0 Current State: 55:[9, 4, 11], Operations: ['37-26=11'] Exploring Operation: 9-4=5, Resulting Numbers: [11, 5] Generated Node #0,0,0: 55:[11, 5] Operation: 9-4=5 Moving to Node #0,0,0 Current State: 55:[11, 5], Operations: ['37-26=11', '9-4=5'] Exploring Operation: 11*5=55, Resulting Numbers: [55] 55,55 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 24, 96, 19, 19 ]
57
[ "96/24=4", "19*4=76", "76-19=57" ]
Current State: 57:[24, 96, 19, 19], Operations: [] Exploring Operation: 96/24=4, Resulting Numbers: [19, 19, 4] Generated Node #2: [19, 19, 4] from Operation: 96/24=4 Current State: 57:[19, 19, 4], Operations: ['96/24=4'] Exploring Operation: 19*4=76, Resulting Numbers: [76] 76,57 equal: Goal Reached Exploring Operation: 76-19=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
4
Current State: 57:[24, 96, 19, 19], Operations: [] Exploring Operation: 96-24=72, Resulting Numbers: [19, 19, 72] Generated Node #0,0: 57:[19, 19, 72] Operation: 96-24=72 Exploring Operation: 96/24=4, Resulting Numbers: [19, 19, 4] Generated Node #0,1: 57:[19, 19, 4] Operation: 96/24=4 Moving to Node #0,1 Current State: 57:[19, 19, 4], Operations: ['96/24=4'] Exploring Operation: 19-19=0, Resulting Numbers: [4, 0] Generated Node #0,1,0: 57:[4, 0] Operation: 19-19=0 Exploring Operation: 19/19=1, Resulting Numbers: [4, 1] Generated Node #0,1,1: 57:[4, 1] Operation: 19/19=1 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 57:[4, 1], Operations: ['96/24=4', '19/19=1'] Exploring Operation: 4-1=3, Resulting Numbers: [3] 3,57 unequal: No Solution Exploring Operation: 4*1=4, Resulting Numbers: [4] 4,57 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 57:[4, 0], Operations: ['96/24=4', '19-19=0'] Exploring Operation: 4-0=4, Resulting Numbers: [4] 4,57 unequal: No Solution Exploring Operation: 4+0=4, Resulting Numbers: [4] 4,57 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: 57:[19, 19, 72], Operations: ['96-24=72'] Exploring Operation: 72-19=53, Resulting Numbers: [19, 53] Generated Node #0,0,0: 57:[19, 53] Operation: 72-19=53 Exploring Operation: 72-19=53, Resulting Numbers: [19, 53] Generated Node #0,0,1: 57:[19, 53] Operation: 72-19=53 Moving to Node #0,0,0 Current State: 57:[19, 53], Operations: ['96-24=72', '72-19=53'] Exploring Operation: 19+53=72, Resulting Numbers: [72] 72,57 unequal: No Solution Exploring Operation: 53-19=34, Resulting Numbers: [34] 34,57 unequal: No Solution Moving to Node #0,0,1 Current State: 57:[19, 53], Operations: ['96-24=72', '72-19=53'] Exploring Operation: 53-19=34, Resulting Numbers: [34] 34,57 unequal: No Solution Exploring Operation: 19+53=72, Resulting Numbers: [72] 72,57 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 95, 25, 29, 71 ]
91
[ "29+71=100", "100/25=4", "95-4=91" ]
Current State: 91:[95, 25, 29, 71], Operations: [] Exploring Operation: 29+71=100, Resulting Numbers: [95, 25, 100] Generated Node #2: [95, 25, 100] from Operation: 29+71=100 Current State: 91:[95, 25, 100], Operations: ['29+71=100'] Exploring Operation: 100/25=4, Resulting Numbers: [95, 4] Generated Node #3: [95, 4] from Operation: 100/25=4 Current State: 91:[95, 4], Operations: ['29+71=100', '100/25=4'] Exploring Operation: 95-4=91, Resulting Numbers: [91] 91,91 equal: Goal Reached
4
Current State: 91:[95, 25, 29, 71], Operations: [] Exploring Operation: 29+71=100, Resulting Numbers: [95, 25, 100] Generated Node #0,0: 91:[95, 25, 100] Operation: 29+71=100 Exploring Operation: 29-25=4, Resulting Numbers: [95, 71, 4] Generated Node #0,1: 91:[95, 71, 4] Operation: 29-25=4 Exploring Operation: 25+71=96, Resulting Numbers: [95, 29, 96] Generated Node #0,2: 91:[95, 29, 96] Operation: 25+71=96 Start Sub Search at level 1: Moving to Node #0,0 Current State: 91:[95, 25, 100], Operations: ['29+71=100'] Exploring Operation: 100/25=4, Resulting Numbers: [95, 4] Generated Node #0,0,0: 91:[95, 4] Operation: 100/25=4 Exploring Operation: 100-95=5, Resulting Numbers: [25, 5] Generated Node #0,0,1: 91:[25, 5] Operation: 100-95=5 Exploring Operation: 100-25=75, Resulting Numbers: [95, 75] Generated Node #0,0,2: 91:[95, 75] Operation: 100-25=75 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 91:[95, 4], Operations: ['29+71=100', '100/25=4'] Exploring Operation: 95-4=91, Resulting Numbers: [91] 91,91 equal: Goal Reached Moving to Node #0 Current State: 91:[95, 25, 29, 71], Operations: [] Exploring Operation: 29+71=100, Resulting Numbers: [95, 25, 100] Generated Node #0,0: 91:[95, 25, 100] Operation: 29+71=100 Moving to Node #0,0 Current State: 91:[95, 25, 100], Operations: ['29+71=100'] Exploring Operation: 100/25=4, Resulting Numbers: [95, 4] Generated Node #0,0,0: 91:[95, 4] Operation: 100/25=4 Moving to Node #0,0,0 Current State: 91:[95, 4], Operations: ['29+71=100', '100/25=4'] Exploring Operation: 95-4=91, Resulting Numbers: [91] 91,91 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.990451
hs_3
sum_heuristic
[ 97, 55, 51, 72 ]
81
[ "97-55=42", "51+72=123", "123-42=81" ]
Current State: 81:[97, 55, 51, 72], Operations: [] Exploring Operation: 97-55=42, Resulting Numbers: [51, 72, 42] Generated Node #2: [51, 72, 42] from Operation: 97-55=42 Current State: 81:[51, 72, 42], Operations: ['97-55=42'] Exploring Operation: 51+72=123, Resulting Numbers: [42, 123] Generated Node #3: [42, 123] from Operation: 51+72=123 Current State: 81:[42, 123], Operations: ['97-55=42', '51+72=123'] Exploring Operation: 123-42=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[97, 55, 51, 72], Operations: [] Exploring Operation: 72-55=17, Resulting Numbers: [97, 51, 17] Generated Node #0,0: 81:[97, 51, 17] Operation: 72-55=17 Exploring Operation: 55-51=4, Resulting Numbers: [97, 72, 4] Generated Node #0,1: 81:[97, 72, 4] Operation: 55-51=4 Exploring Operation: 55+51=106, Resulting Numbers: [97, 72, 106] Generated Node #0,2: 81:[97, 72, 106] Operation: 55+51=106 Exploring Operation: 72-51=21, Resulting Numbers: [97, 55, 21] Generated Node #0,3: 81:[97, 55, 21] Operation: 72-51=21 Exploring Operation: 97-55=42, Resulting Numbers: [51, 72, 42] Generated Node #0,4: 81:[51, 72, 42] Operation: 97-55=42 Start Sub Search at level 1: Moving to Node #0,1 Current State: 81:[97, 72, 4], Operations: ['55-51=4'] Exploring Operation: 97-4=93, Resulting Numbers: [72, 93] Generated Node #0,1,0: 81:[72, 93] Operation: 97-4=93 Exploring Operation: 97+4=101, Resulting Numbers: [72, 101] Generated Node #0,1,1: 81:[72, 101] Operation: 97+4=101 Exploring Operation: 97-72=25, Resulting Numbers: [4, 25] Generated Node #0,1,2: 81:[4, 25] Operation: 97-72=25 Exploring Operation: 72/4=18, Resulting Numbers: [97, 18] Generated Node #0,1,3: 81:[97, 18] Operation: 72/4=18 Exploring Operation: 72+4=76, Resulting Numbers: [97, 76] Generated Node #0,1,4: 81:[97, 76] Operation: 72+4=76 Moving to Node #0,1,2 Current State: 81:[4, 25], Operations: ['55-51=4', '97-72=25'] Exploring Operation: 25-4=21, Resulting Numbers: [21] 21,81 unequal: No Solution Exploring Operation: 4+25=29, Resulting Numbers: [29] 29,81 unequal: No Solution Exploring Operation: 4*25=100, Resulting Numbers: [100] 100,81 unequal: No Solution Moving to Node #0,1,4 Current State: 81:[97, 76], Operations: ['55-51=4', '72+4=76'] Exploring Operation: 97+76=173, Resulting Numbers: [173] 173,81 unequal: No Solution Exploring Operation: 97-76=21, Resulting Numbers: [21] 21,81 unequal: No Solution Exploring Operation: 97*76=7372, Resulting Numbers: [7372] 7372,81 unequal: No Solution Moving to Node #0,1,0 Current State: 81:[72, 93], Operations: ['55-51=4', '97-4=93'] Exploring Operation: 72+93=165, Resulting Numbers: [165] 165,81 unequal: No Solution Exploring Operation: 72*93=6696, Resulting Numbers: [6696] 6696,81 unequal: No Solution Exploring Operation: 93-72=21, Resulting Numbers: [21] 21,81 unequal: No Solution Moving to Node #0,1,3 Current State: 81:[97, 18], Operations: ['55-51=4', '72/4=18'] Exploring Operation: 97-18=79, Resulting Numbers: [79] 79,81 unequal: No Solution Exploring Operation: 97*18=1746, Resulting Numbers: [1746] 1746,81 unequal: No Solution Exploring Operation: 97+18=115, Resulting Numbers: [115] 115,81 unequal: No Solution Moving to Node #0,1,1 Current State: 81:[72, 101], Operations: ['55-51=4', '97+4=101'] Exploring Operation: 72*101=7272, Resulting Numbers: [7272] 7272,81 unequal: No Solution Exploring Operation: 72+101=173, Resulting Numbers: [173] 173,81 unequal: No Solution Exploring Operation: 101-72=29, Resulting Numbers: [29] 29,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 81:[97, 51, 17], Operations: ['72-55=17'] Exploring Operation: 51/17=3, Resulting Numbers: [97, 3] Generated Node #0,0,0: 81:[97, 3] Operation: 51/17=3 Exploring Operation: 51-17=34, Resulting Numbers: [97, 34] Generated Node #0,0,1: 81:[97, 34] Operation: 51-17=34 Exploring Operation: 51+17=68, Resulting Numbers: [97, 68] Generated Node #0,0,2: 81:[97, 68] Operation: 51+17=68 Exploring Operation: 97-51=46, Resulting Numbers: [17, 46] Generated Node #0,0,3: 81:[17, 46] Operation: 97-51=46 Exploring Operation: 97-17=80, Resulting Numbers: [51, 80] Generated Node #0,0,4: 81:[51, 80] Operation: 97-17=80 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 81:[97, 3], Operations: ['72-55=17', '51/17=3'] Exploring Operation: 97+3=100, Resulting Numbers: [100] 100,81 unequal: No Solution Exploring Operation: 97*3=291, Resulting Numbers: [291] 291,81 unequal: No Solution Exploring Operation: 97-3=94, Resulting Numbers: [94] 94,81 unequal: No Solution No 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: 81:[97, 34], Operations: ['72-55=17', '51-17=34'] Exploring Operation: 97+34=131, Resulting Numbers: [131] 131,81 unequal: No Solution Exploring Operation: 97*34=3298, Resulting Numbers: [3298] 3298,81 unequal: No Solution Exploring Operation: 97-34=63, Resulting Numbers: [63] 63,81 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 81:[51, 80], Operations: ['72-55=17', '97-17=80'] Exploring Operation: 51*80=4080, Resulting Numbers: [4080] 4080,81 unequal: No Solution Exploring Operation: 80-51=29, Resulting Numbers: [29] 29,81 unequal: No Solution Exploring Operation: 51+80=131, Resulting Numbers: [131] 131,81 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 81:[17, 46], Operations: ['72-55=17', '97-51=46'] Exploring Operation: 17+46=63, Resulting Numbers: [63] 63,81 unequal: No Solution Exploring Operation: 17*46=782, Resulting Numbers: [782] 782,81 unequal: No Solution Exploring Operation: 46-17=29, Resulting Numbers: [29] 29,81 unequal: No Solution No 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: 81:[97, 68], Operations: ['72-55=17', '51+17=68'] Exploring Operation: 97*68=6596, Resulting Numbers: [6596] 6596,81 unequal: No Solution Exploring Operation: 97+68=165, Resulting Numbers: [165] 165,81 unequal: No Solution Exploring Operation: 97-68=29, Resulting Numbers: [29] 29,81 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: 81:[97, 55, 21], Operations: ['72-51=21'] Exploring Operation: 55+21=76, Resulting Numbers: [97, 76] Generated Node #0,3,0: 81:[97, 76] Operation: 55+21=76 Exploring Operation: 97+21=118, Resulting Numbers: [55, 118] Generated Node #0,3,1: 81:[55, 118] Operation: 97+21=118 Exploring Operation: 97-21=76, Resulting Numbers: [55, 76] Generated Node #0,3,2: 81:[55, 76] Operation: 97-21=76 Exploring Operation: 55-21=34, Resulting Numbers: [97, 34] Generated Node #0,3,3: 81:[97, 34] Operation: 55-21=34 Exploring Operation: 97-55=42, Resulting Numbers: [21, 42] Generated Node #0,3,4: 81:[21, 42] Operation: 97-55=42 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 81:[97, 76], Operations: ['72-51=21', '55+21=76'] Exploring Operation: 97*76=7372, Resulting Numbers: [7372] 7372,81 unequal: No Solution Exploring Operation: 97+76=173, Resulting Numbers: [173] 173,81 unequal: No Solution Exploring Operation: 97-76=21, Resulting Numbers: [21] 21,81 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 81:[21, 42], Operations: ['72-51=21', '97-55=42'] Exploring Operation: 42-21=21, Resulting Numbers: [21] 21,81 unequal: No Solution Exploring Operation: 21+42=63, Resulting Numbers: [63] 63,81 unequal: No Solution Exploring Operation: 42/21=2, Resulting Numbers: [2] 2,81 unequal: No Solution Exploring Operation: 21*42=882, Resulting Numbers: [882] 882,81 unequal: No Solution No 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: 81:[97, 34], Operations: ['72-51=21', '55-21=34'] Exploring Operation: 97*34=3298, Resulting Numbers: [3298] 3298,81 unequal: No Solution Exploring Operation: 97+34=131, Resulting Numbers: [131] 131,81 unequal: No Solution Exploring Operation: 97-34=63, Resulting Numbers: [63] 63,81 unequal: No Solution No 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: 81:[55, 76], Operations: ['72-51=21', '97-21=76'] Exploring Operation: 76-55=21, Resulting Numbers: [21] 21,81 unequal: No Solution Exploring Operation: 55+76=131, Resulting Numbers: [131] 131,81 unequal: No Solution Exploring Operation: 55*76=4180, Resulting Numbers: [4180] 4180,81 unequal: No Solution No 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: 81:[55, 118], Operations: ['72-51=21', '97+21=118'] Exploring Operation: 55*118=6490, Resulting Numbers: [6490] 6490,81 unequal: No Solution Exploring Operation: 55+118=173, Resulting Numbers: [173] 173,81 unequal: No Solution Exploring Operation: 118-55=63, Resulting Numbers: [63] 63,81 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 81:[51, 72, 42], Operations: ['97-55=42'] Exploring Operation: 51-42=9, Resulting Numbers: [72, 9] Generated Node #0,4,0: 81:[72, 9] Operation: 51-42=9 Exploring Operation: 72-42=30, Resulting Numbers: [51, 30] Generated Node #0,4,1: 81:[51, 30] Operation: 72-42=30 Exploring Operation: 51+72=123, Resulting Numbers: [42, 123] Generated Node #0,4,2: 81:[42, 123] Operation: 51+72=123 Exploring Operation: 51+42=93, Resulting Numbers: [72, 93] Generated Node #0,4,3: 81:[72, 93] Operation: 51+42=93 Exploring Operation: 72-51=21, Resulting Numbers: [42, 21] Generated Node #0,4,4: 81:[42, 21] Operation: 72-51=21 Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 81:[72, 9], Operations: ['97-55=42', '51-42=9'] Exploring Operation: 72/9=8, Resulting Numbers: [8] 8,81 unequal: No Solution Exploring Operation: 72*9=648, Resulting Numbers: [648] 648,81 unequal: No Solution Exploring Operation: 72+9=81, Resulting Numbers: [81] 81,81 equal: Goal Reached Moving to Node #0 Current State: 81:[97, 55, 51, 72], Operations: [] Exploring Operation: 97-55=42, Resulting Numbers: [51, 72, 42] Generated Node #0,4: 81:[51, 72, 42] Operation: 97-55=42 Moving to Node #0,4 Current State: 81:[51, 72, 42], Operations: ['97-55=42'] Exploring Operation: 51-42=9, Resulting Numbers: [72, 9] Generated Node #0,4,0: 81:[72, 9] Operation: 51-42=9 Moving to Node #0,4,0 Current State: 81:[72, 9], Operations: ['97-55=42', '51-42=9'] Exploring Operation: 72+9=81, Resulting Numbers: [81] 81,81 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.932292
hs_5
mult_heuristic
[ 28, 93, 62, 34 ]
76
[ "28*93=2604", "2604/62=42", "34+42=76" ]
Current State: 76:[28, 93, 62, 34], Operations: [] Exploring Operation: 28*93=2604, Resulting Numbers: [62, 34, 2604] Generated Node #2: [62, 34, 2604] from Operation: 28*93=2604 Current State: 76:[62, 34, 2604], Operations: ['28*93=2604'] Exploring Operation: 2604/62=42, Resulting Numbers: [34, 42] Generated Node #3: [34, 42] from Operation: 2604/62=42 Current State: 76:[34, 42], Operations: ['28*93=2604', '2604/62=42'] Exploring Operation: 34+42=76, Resulting Numbers: [76] 76,76 equal: Goal Reached
4
Current State: 76:[28, 93, 62, 34], Operations: [] Exploring Operation: 28+62=90, Resulting Numbers: [93, 34, 90] Generated Node #0,0: 76:[93, 34, 90] Operation: 28+62=90 Exploring Operation: 93-62=31, Resulting Numbers: [28, 34, 31] Generated Node #0,1: 76:[28, 34, 31] Operation: 93-62=31 Exploring Operation: 34-28=6, Resulting Numbers: [93, 62, 6] Generated Node #0,2: 76:[93, 62, 6] Operation: 34-28=6 Exploring Operation: 62-28=34, Resulting Numbers: [93, 34, 34] Generated Node #0,3: 76:[93, 34, 34] Operation: 62-28=34 Exploring Operation: 93-28=65, Resulting Numbers: [62, 34, 65] Generated Node #0,4: 76:[62, 34, 65] Operation: 93-28=65 Moving to Node #0,1 Current State: 76:[28, 34, 31], Operations: ['93-62=31'] Exploring Operation: 28+34=62, Resulting Numbers: [31, 62] Generated Node #0,1,0: 76:[31, 62] Operation: 28+34=62 Exploring Operation: 34-31=3, Resulting Numbers: [28, 3] Generated Node #0,1,1: 76:[28, 3] Operation: 34-31=3 Exploring Operation: 34+31=65, Resulting Numbers: [28, 65] Generated Node #0,1,2: 76:[28, 65] Operation: 34+31=65 Exploring Operation: 34-28=6, Resulting Numbers: [31, 6] Generated Node #0,1,3: 76:[31, 6] Operation: 34-28=6 Exploring Operation: 31-28=3, Resulting Numbers: [34, 3] Generated Node #0,1,4: 76:[34, 3] Operation: 31-28=3 Moving to Node #0,3 Current State: 76:[93, 34, 34], Operations: ['62-28=34'] Exploring Operation: 93-34=59, Resulting Numbers: [34, 59] Generated Node #0,3,0: 76:[34, 59] Operation: 93-34=59 Exploring Operation: 93-34=59, Resulting Numbers: [34, 59] Generated Node #0,3,1: 76:[34, 59] Operation: 93-34=59 Exploring Operation: 34-34=0, Resulting Numbers: [93, 0] Generated Node #0,3,2: 76:[93, 0] Operation: 34-34=0 Exploring Operation: 34+34=68, Resulting Numbers: [93, 68] Generated Node #0,3,3: 76:[93, 68] Operation: 34+34=68 Exploring Operation: 34/34=1, Resulting Numbers: [93, 1] Generated Node #0,3,4: 76:[93, 1] Operation: 34/34=1 Moving to Node #0,4 Current State: 76:[62, 34, 65], Operations: ['93-28=65'] Exploring Operation: 65-62=3, Resulting Numbers: [34, 3] Generated Node #0,4,0: 76:[34, 3] Operation: 65-62=3 Exploring Operation: 65-34=31, Resulting Numbers: [62, 31] Generated Node #0,4,1: 76:[62, 31] Operation: 65-34=31 Exploring Operation: 34+65=99, Resulting Numbers: [62, 99] Generated Node #0,4,2: 76:[62, 99] Operation: 34+65=99 Exploring Operation: 62+34=96, Resulting Numbers: [65, 96] Generated Node #0,4,3: 76:[65, 96] Operation: 62+34=96 Exploring Operation: 62-34=28, Resulting Numbers: [65, 28] Generated Node #0,4,4: 76:[65, 28] Operation: 62-34=28 Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 76:[34, 3], Operations: ['93-28=65', '65-62=3'] Exploring Operation: 34+3=37, Resulting Numbers: [37] 37,76 unequal: No Solution Exploring Operation: 34*3=102, Resulting Numbers: [102] 102,76 unequal: No Solution Exploring Operation: 34-3=31, Resulting Numbers: [31] 31,76 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 #0,4,4 Current State: 76:[65, 28], Operations: ['93-28=65', '62-34=28'] Exploring Operation: 65-28=37, Resulting Numbers: [37] 37,76 unequal: No Solution Exploring Operation: 65*28=1820, Resulting Numbers: [1820] 1820,76 unequal: No Solution Exploring Operation: 65+28=93, Resulting Numbers: [93] 93,76 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 #0,4,1 Current State: 76:[62, 31], Operations: ['93-28=65', '65-34=31'] Exploring Operation: 62+31=93, Resulting Numbers: [93] 93,76 unequal: No Solution Exploring Operation: 62*31=1922, Resulting Numbers: [1922] 1922,76 unequal: No Solution Exploring Operation: 62/31=2, Resulting Numbers: [2] 2,76 unequal: No Solution Exploring Operation: 62-31=31, Resulting Numbers: [31] 31,76 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 #0,4,3 Current State: 76:[65, 96], Operations: ['93-28=65', '62+34=96'] Exploring Operation: 96-65=31, Resulting Numbers: [31] 31,76 unequal: No Solution Exploring Operation: 65+96=161, Resulting Numbers: [161] 161,76 unequal: No Solution Exploring Operation: 65*96=6240, Resulting Numbers: [6240] 6240,76 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 #0,4,2 Current State: 76:[62, 99], Operations: ['93-28=65', '34+65=99'] Exploring Operation: 62+99=161, Resulting Numbers: [161] 161,76 unequal: No Solution Exploring Operation: 99-62=37, Resulting Numbers: [37] 37,76 unequal: No Solution Exploring Operation: 62*99=6138, Resulting Numbers: [6138] 6138,76 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 76:[93, 62, 6], Operations: ['34-28=6'] Exploring Operation: 62-6=56, Resulting Numbers: [93, 56] Generated Node #0,2,0: 76:[93, 56] Operation: 62-6=56 Exploring Operation: 93-6=87, Resulting Numbers: [62, 87] Generated Node #0,2,1: 76:[62, 87] Operation: 93-6=87 Exploring Operation: 62+6=68, Resulting Numbers: [93, 68] Generated Node #0,2,2: 76:[93, 68] Operation: 62+6=68 Exploring Operation: 93-62=31, Resulting Numbers: [6, 31] Generated Node #0,2,3: 76:[6, 31] Operation: 93-62=31 Exploring Operation: 93+6=99, Resulting Numbers: [62, 99] Generated Node #0,2,4: 76:[62, 99] Operation: 93+6=99 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 76:[6, 31], Operations: ['34-28=6', '93-62=31'] Exploring Operation: 6*31=186, Resulting Numbers: [186] 186,76 unequal: No Solution Exploring Operation: 31-6=25, Resulting Numbers: [25] 25,76 unequal: No Solution Exploring Operation: 6+31=37, Resulting Numbers: [37] 37,76 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 #0,2,1 Current State: 76:[62, 87], Operations: ['34-28=6', '93-6=87'] Exploring Operation: 62+87=149, Resulting Numbers: [149] 149,76 unequal: No Solution Exploring Operation: 87-62=25, Resulting Numbers: [25] 25,76 unequal: No Solution Exploring Operation: 62*87=5394, Resulting Numbers: [5394] 5394,76 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 76:[93, 68], Operations: ['34-28=6', '62+6=68'] Exploring Operation: 93*68=6324, Resulting Numbers: [6324] 6324,76 unequal: No Solution Exploring Operation: 93+68=161, Resulting Numbers: [161] 161,76 unequal: No Solution Exploring Operation: 93-68=25, Resulting Numbers: [25] 25,76 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 76:[93, 56], Operations: ['34-28=6', '62-6=56'] Exploring Operation: 93-56=37, Resulting Numbers: [37] 37,76 unequal: No Solution Exploring Operation: 93*56=5208, Resulting Numbers: [5208] 5208,76 unequal: No Solution Exploring Operation: 93+56=149, Resulting Numbers: [149] 149,76 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 #0,2,4 Current State: 76:[62, 99], Operations: ['34-28=6', '93+6=99'] Exploring Operation: 62+99=161, Resulting Numbers: [161] 161,76 unequal: No Solution Exploring Operation: 62*99=6138, Resulting Numbers: [6138] 6138,76 unequal: No Solution Exploring Operation: 99-62=37, Resulting Numbers: [37] 37,76 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: 76:[93, 34, 90], Operations: ['28+62=90'] Exploring Operation: 93-34=59, Resulting Numbers: [90, 59] Generated Node #0,0,0: 76:[90, 59] Operation: 93-34=59 Exploring Operation: 93-90=3, Resulting Numbers: [34, 3] Generated Node #0,0,1: 76:[34, 3] Operation: 93-90=3 Exploring Operation: 93+34=127, Resulting Numbers: [90, 127] Generated Node #0,0,2: 76:[90, 127] Operation: 93+34=127 Exploring Operation: 90-34=56, Resulting Numbers: [93, 56] Generated Node #0,0,3: 76:[93, 56] Operation: 90-34=56 Exploring Operation: 34+90=124, Resulting Numbers: [93, 124] Generated Node #0,0,4: 76:[93, 124] Operation: 34+90=124 Moving to Node #0,1,4 Current State: 76:[34, 3], Operations: ['93-62=31', '31-28=3'] Exploring Operation: 34+3=37, Resulting Numbers: [37] 37,76 unequal: No Solution Exploring Operation: 34-3=31, Resulting Numbers: [31] 31,76 unequal: No Solution Exploring Operation: 34*3=102, Resulting Numbers: [102] 102,76 unequal: No Solution Moving to Node #0,0,1 Current State: 76:[34, 3], Operations: ['28+62=90', '93-90=3'] Exploring Operation: 34*3=102, Resulting Numbers: [102] 102,76 unequal: No Solution Exploring Operation: 34-3=31, Resulting Numbers: [31] 31,76 unequal: No Solution Exploring Operation: 34+3=37, Resulting Numbers: [37] 37,76 unequal: No Solution Moving to Node #0,1,3 Current State: 76:[31, 6], Operations: ['93-62=31', '34-28=6'] Exploring Operation: 31*6=186, Resulting Numbers: [186] 186,76 unequal: No Solution Exploring Operation: 31-6=25, Resulting Numbers: [25] 25,76 unequal: No Solution Exploring Operation: 31+6=37, Resulting Numbers: [37] 37,76 unequal: No Solution Moving to Node #0,1,1 Current State: 76:[28, 3], Operations: ['93-62=31', '34-31=3'] Exploring Operation: 28+3=31, Resulting Numbers: [31] 31,76 unequal: No Solution Exploring Operation: 28*3=84, Resulting Numbers: [84] 84,76 unequal: No Solution Exploring Operation: 28-3=25, Resulting Numbers: [25] 25,76 unequal: No Solution Moving to Node #0,3,4 Current State: 76:[93, 1], Operations: ['62-28=34', '34/34=1'] Exploring Operation: 93+1=94, Resulting Numbers: [94] 94,76 unequal: No Solution Exploring Operation: 93/1=93, Resulting Numbers: [93] 93,76 unequal: No Solution Exploring Operation: 93*1=93, Resulting Numbers: [93] 93,76 unequal: No Solution Exploring Operation: 93-1=92, Resulting Numbers: [92] 92,76 unequal: No Solution Moving to Node #0,3,2 Current State: 76:[93, 0], Operations: ['62-28=34', '34-34=0'] Exploring Operation: 93*0=0, Resulting Numbers: [0] 0,76 unequal: No Solution Exploring Operation: 93-0=93, Resulting Numbers: [93] 93,76 unequal: No Solution Exploring Operation: 93+0=93, Resulting Numbers: [93] 93,76 unequal: No Solution Moving to Node #0,1,2 Current State: 76:[28, 65], Operations: ['93-62=31', '34+31=65'] Exploring Operation: 28+65=93, Resulting Numbers: [93] 93,76 unequal: No Solution Exploring Operation: 65-28=37, Resulting Numbers: [37] 37,76 unequal: No Solution Exploring Operation: 28*65=1820, Resulting Numbers: [1820] 1820,76 unequal: No Solution Moving to Node #0,1,0 Current State: 76:[31, 62], Operations: ['93-62=31', '28+34=62'] Exploring Operation: 62-31=31, Resulting Numbers: [31] 31,76 unequal: No Solution Exploring Operation: 31+62=93, Resulting Numbers: [93] 93,76 unequal: No Solution Exploring Operation: 31*62=1922, Resulting Numbers: [1922] 1922,76 unequal: No Solution Exploring Operation: 62/31=2, Resulting Numbers: [2] 2,76 unequal: No Solution Moving to Node #0,3,1 Current State: 76:[34, 59], Operations: ['62-28=34', '93-34=59'] Exploring Operation: 34+59=93, Resulting Numbers: [93] 93,76 unequal: No Solution Exploring Operation: 59-34=25, Resulting Numbers: [25] 25,76 unequal: No Solution Exploring Operation: 34*59=2006, Resulting Numbers: [2006] 2006,76 unequal: No Solution Moving to Node #0,3,0 Current State: 76:[34, 59], Operations: ['62-28=34', '93-34=59'] Exploring Operation: 34*59=2006, Resulting Numbers: [2006] 2006,76 unequal: No Solution Exploring Operation: 59-34=25, Resulting Numbers: [25] 25,76 unequal: No Solution Exploring Operation: 34+59=93, Resulting Numbers: [93] 93,76 unequal: No Solution Moving to Node #0,3,3 Current State: 76:[93, 68], Operations: ['62-28=34', '34+34=68'] Exploring Operation: 93*68=6324, Resulting Numbers: [6324] 6324,76 unequal: No Solution Exploring Operation: 93+68=161, Resulting Numbers: [161] 161,76 unequal: No Solution Exploring Operation: 93-68=25, Resulting Numbers: [25] 25,76 unequal: No Solution Moving to Node #0,0,0 Current State: 76:[90, 59], Operations: ['28+62=90', '93-34=59'] Exploring Operation: 90-59=31, Resulting Numbers: [31] 31,76 unequal: No Solution Exploring Operation: 90+59=149, Resulting Numbers: [149] 149,76 unequal: No Solution Exploring Operation: 90*59=5310, Resulting Numbers: [5310] 5310,76 unequal: No Solution Moving to Node #0,0,3 Current State: 76:[93, 56], Operations: ['28+62=90', '90-34=56'] Exploring Operation: 93*56=5208, Resulting Numbers: [5208] 5208,76 unequal: No Solution Exploring Operation: 93+56=149, Resulting Numbers: [149] 149,76 unequal: No Solution Exploring Operation: 93-56=37, Resulting Numbers: [37] 37,76 unequal: No Solution Moving to Node #0,0,2 Current State: 76:[90, 127], Operations: ['28+62=90', '93+34=127'] Exploring Operation: 127-90=37, Resulting Numbers: [37] 37,76 unequal: No Solution Exploring Operation: 90+127=217, Resulting Numbers: [217] 217,76 unequal: No Solution Exploring Operation: 90*127=11430, Resulting Numbers: [11430] 11430,76 unequal: No Solution Moving to Node #0,0,4 Current State: 76:[93, 124], Operations: ['28+62=90', '34+90=124'] Exploring Operation: 93+124=217, Resulting Numbers: [217] 217,76 unequal: No Solution Exploring Operation: 93*124=11532, Resulting Numbers: [11532] 11532,76 unequal: No Solution Exploring Operation: 124-93=31, Resulting Numbers: [31] 31,76 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 79, 34, 3, 48 ]
63
[ "79-34=45", "45/3=15", "48+15=63" ]
Current State: 63:[79, 34, 3, 48], Operations: [] Exploring Operation: 79-34=45, Resulting Numbers: [3, 48, 45] Generated Node #2: [3, 48, 45] from Operation: 79-34=45 Current State: 63:[3, 48, 45], Operations: ['79-34=45'] Exploring Operation: 45/3=15, Resulting Numbers: [48, 15] Generated Node #3: [48, 15] from Operation: 45/3=15 Current State: 63:[48, 15], Operations: ['79-34=45', '45/3=15'] Exploring Operation: 48+15=63, Resulting Numbers: [63] 63,63 equal: Goal Reached
4
Current State: 63:[79, 34, 3, 48], Operations: [] Exploring Operation: 48-34=14, Resulting Numbers: [79, 3, 14] Generated Node #0,0: 63:[79, 3, 14] Operation: 48-34=14 Exploring Operation: 79-48=31, Resulting Numbers: [34, 3, 31] Generated Node #0,1: 63:[34, 3, 31] Operation: 79-48=31 Start Sub Search at level 1: Moving to Node #0,0 Current State: 63:[79, 3, 14], Operations: ['48-34=14'] Exploring Operation: 79-3=76, Resulting Numbers: [14, 76] Generated Node #0,0,0: 63:[14, 76] Operation: 79-3=76 Exploring Operation: 79-14=65, Resulting Numbers: [3, 65] Generated Node #0,0,1: 63:[3, 65] Operation: 79-14=65 Moving to Node #0,0,1 Current State: 63:[3, 65], Operations: ['48-34=14', '79-14=65'] Exploring Operation: 3+65=68, Resulting Numbers: [68] 68,63 unequal: No Solution Exploring Operation: 65-3=62, Resulting Numbers: [62] 62,63 unequal: No Solution Moving to Node #0,0,0 Current State: 63:[14, 76], Operations: ['48-34=14', '79-3=76'] Exploring Operation: 14+76=90, Resulting Numbers: [90] 90,63 unequal: No Solution Exploring Operation: 76-14=62, Resulting Numbers: [62] 62,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 63:[34, 3, 31], Operations: ['79-48=31'] Exploring Operation: 34-31=3, Resulting Numbers: [3, 3] Generated Node #0,1,0: 63:[3, 3] Operation: 34-31=3 Exploring Operation: 34+31=65, Resulting Numbers: [3, 65] Generated Node #0,1,1: 63:[3, 65] Operation: 34+31=65 Moving to Node #0,1,0 Current State: 63:[3, 3], Operations: ['79-48=31', '34-31=3'] Exploring Operation: 3+3=6, Resulting Numbers: [6] 6,63 unequal: No Solution Exploring Operation: 3*3=9, Resulting Numbers: [9] 9,63 unequal: No Solution Moving to Node #0,1,1 Current State: 63:[3, 65], Operations: ['79-48=31', '34+31=65'] Exploring Operation: 3+65=68, Resulting Numbers: [68] 68,63 unequal: No Solution Exploring Operation: 65-3=62, Resulting Numbers: [62] 62,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 49, 29, 30, 38 ]
11
[ "49-38=11", "30-29=1", "11*1=11" ]
Current State: 11:[49, 29, 30, 38], Operations: [] Exploring Operation: 49-38=11, Resulting Numbers: [29, 30, 11] Generated Node #2: [29, 30, 11] from Operation: 49-38=11 Current State: 11:[29, 30, 11], Operations: ['49-38=11'] Exploring Operation: 30-29=1, Resulting Numbers: [11, 1] Generated Node #3: [11, 1] from Operation: 30-29=1 Current State: 11:[11, 1], Operations: ['49-38=11', '30-29=1'] Exploring Operation: 11*1=11, Resulting Numbers: [11] 11,11 equal: Goal Reached
4
Current State: 11:[49, 29, 30, 38], Operations: [] Exploring Operation: 38-30=8, Resulting Numbers: [49, 29, 8] Generated Node #0,0: 11:[49, 29, 8] Operation: 38-30=8 Exploring Operation: 49-38=11, Resulting Numbers: [29, 30, 11] Generated Node #0,1: 11:[29, 30, 11] Operation: 49-38=11 Exploring Operation: 49-29=20, Resulting Numbers: [30, 38, 20] Generated Node #0,2: 11:[30, 38, 20] Operation: 49-29=20 Exploring Operation: 38-29=9, Resulting Numbers: [49, 30, 9] Generated Node #0,3: 11:[49, 30, 9] Operation: 38-29=9 Exploring Operation: 49-30=19, Resulting Numbers: [29, 38, 19] Generated Node #0,4: 11:[29, 38, 19] Operation: 49-30=19 Start Sub Search at level 1: Moving to Node #0,1 Current State: 11:[29, 30, 11], Operations: ['49-38=11'] Exploring Operation: 29-11=18, Resulting Numbers: [30, 18] Generated Node #0,1,0: 11:[30, 18] Operation: 29-11=18 Exploring Operation: 30-11=19, Resulting Numbers: [29, 19] Generated Node #0,1,1: 11:[29, 19] Operation: 30-11=19 Exploring Operation: 30-29=1, Resulting Numbers: [11, 1] Generated Node #0,1,2: 11:[11, 1] Operation: 30-29=1 Exploring Operation: 29+11=40, Resulting Numbers: [30, 40] Generated Node #0,1,3: 11:[30, 40] Operation: 29+11=40 Exploring Operation: 29+30=59, Resulting Numbers: [11, 59] Generated Node #0,1,4: 11:[11, 59] Operation: 29+30=59 Moving to Node #0,1,2 Current State: 11:[11, 1], Operations: ['49-38=11', '30-29=1'] Exploring Operation: 11+1=12, Resulting Numbers: [12] 12,11 unequal: No Solution Exploring Operation: 11*1=11, Resulting Numbers: [11] 11,11 equal: Goal Reached Moving to Node #0 Current State: 11:[49, 29, 30, 38], Operations: [] Exploring Operation: 49-38=11, Resulting Numbers: [29, 30, 11] Generated Node #0,1: 11:[29, 30, 11] Operation: 49-38=11 Moving to Node #0,1 Current State: 11:[29, 30, 11], Operations: ['49-38=11'] Exploring Operation: 30-29=1, Resulting Numbers: [11, 1] Generated Node #0,1,2: 11:[11, 1] Operation: 30-29=1 Moving to Node #0,1,2 Current State: 11:[11, 1], Operations: ['49-38=11', '30-29=1'] Exploring Operation: 11*1=11, Resulting Numbers: [11] 11,11 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_5
mult_heuristic
[ 63, 6, 62, 60 ]
60
[ "63-60=3", "6/3=2", "62-2=60" ]
Current State: 60:[63, 6, 62, 60], Operations: [] Exploring Operation: 63-60=3, Resulting Numbers: [6, 62, 3] Generated Node #2: [6, 62, 3] from Operation: 63-60=3 Current State: 60:[6, 62, 3], Operations: ['63-60=3'] Exploring Operation: 6/3=2, Resulting Numbers: [62, 2] Generated Node #3: [62, 2] from Operation: 6/3=2 Current State: 60:[62, 2], Operations: ['63-60=3', '6/3=2'] Exploring Operation: 62-2=60, Resulting Numbers: [60] 60,60 equal: Goal Reached
4
Current State: 60:[63, 6, 62, 60], Operations: [] Exploring Operation: 63-60=3, Resulting Numbers: [6, 62, 3] Generated Node #0,0: 60:[6, 62, 3] Operation: 63-60=3 Exploring Operation: 63-62=1, Resulting Numbers: [6, 60, 1] Generated Node #0,1: 60:[6, 60, 1] Operation: 63-62=1 Moving to Node #0,1 Current State: 60:[6, 60, 1], Operations: ['63-62=1'] Exploring Operation: 6-1=5, Resulting Numbers: [60, 5] Generated Node #0,1,0: 60:[60, 5] Operation: 6-1=5 Exploring Operation: 6*1=6, Resulting Numbers: [60, 6] Generated Node #0,1,1: 60:[60, 6] Operation: 6*1=6 Moving to Node #0,0 Current State: 60:[6, 62, 3], Operations: ['63-60=3'] Exploring Operation: 6-3=3, Resulting Numbers: [62, 3] Generated Node #0,0,0: 60:[62, 3] Operation: 6-3=3 Exploring Operation: 62-3=59, Resulting Numbers: [6, 59] Generated Node #0,0,1: 60:[6, 59] Operation: 62-3=59 Moving to Node #0,1,0 Current State: 60:[60, 5], Operations: ['63-62=1', '6-1=5'] Exploring Operation: 60/5=12, Resulting Numbers: [12] 12,60 unequal: No Solution Exploring Operation: 60+5=65, Resulting Numbers: [65] 65,60 unequal: No Solution Moving to Node #0,1,1 Current State: 60:[60, 6], Operations: ['63-62=1', '6*1=6'] Exploring Operation: 60+6=66, Resulting Numbers: [66] 66,60 unequal: No Solution Exploring Operation: 60/6=10, Resulting Numbers: [10] 10,60 unequal: No Solution Moving to Node #0,0,1 Current State: 60:[6, 59], Operations: ['63-60=3', '62-3=59'] Exploring Operation: 6+59=65, Resulting Numbers: [65] 65,60 unequal: No Solution Exploring Operation: 59-6=53, Resulting Numbers: [53] 53,60 unequal: No Solution Moving to Node #0,0,0 Current State: 60:[62, 3], Operations: ['63-60=3', '6-3=3'] Exploring Operation: 62-3=59, Resulting Numbers: [59] 59,60 unequal: No Solution Exploring Operation: 62+3=65, Resulting Numbers: [65] 65,60 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 1, 71, 77, 10 ]
78
[ "1+10=11", "77/11=7", "71+7=78" ]
Current State: 78:[1, 71, 77, 10], Operations: [] Exploring Operation: 1+10=11, Resulting Numbers: [71, 77, 11] Generated Node #2: [71, 77, 11] from Operation: 1+10=11 Current State: 78:[71, 77, 11], Operations: ['1+10=11'] Exploring Operation: 77/11=7, Resulting Numbers: [71, 7] Generated Node #3: [71, 7] from Operation: 77/11=7 Current State: 78:[71, 7], Operations: ['1+10=11', '77/11=7'] Exploring Operation: 71+7=78, Resulting Numbers: [78] 78,78 equal: Goal Reached
4
Current State: 78:[1, 71, 77, 10], Operations: [] Exploring Operation: 77-71=6, Resulting Numbers: [1, 10, 6] Generated Node #0,0: 78:[1, 10, 6] Operation: 77-71=6 Exploring Operation: 1+10=11, Resulting Numbers: [71, 77, 11] Generated Node #0,1: 78:[71, 77, 11] Operation: 1+10=11 Exploring Operation: 71+10=81, Resulting Numbers: [1, 77, 81] Generated Node #0,2: 78:[1, 77, 81] Operation: 71+10=81 Exploring Operation: 1+77=78, Resulting Numbers: [71, 10, 78] Generated Node #0,3: 78:[71, 10, 78] Operation: 1+77=78 Exploring Operation: 1+71=72, Resulting Numbers: [77, 10, 72] Generated Node #0,4: 78:[77, 10, 72] Operation: 1+71=72 Moving to Node #0,0 Current State: 78:[1, 10, 6], Operations: ['77-71=6'] Exploring Operation: 1+10=11, Resulting Numbers: [6, 11] Generated Node #0,0,0: 78:[6, 11] Operation: 1+10=11 Exploring Operation: 10-1=9, Resulting Numbers: [6, 9] Generated Node #0,0,1: 78:[6, 9] Operation: 10-1=9 Exploring Operation: 10-6=4, Resulting Numbers: [1, 4] Generated Node #0,0,2: 78:[1, 4] Operation: 10-6=4 Exploring Operation: 10/1=10, Resulting Numbers: [6, 10] Generated Node #0,0,3: 78:[6, 10] Operation: 10/1=10 Exploring Operation: 1*10=10, Resulting Numbers: [6, 10] Generated Node #0,0,4: 78:[6, 10] Operation: 1*10=10 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 78:[6, 11], Operations: ['77-71=6', '1+10=11'] Exploring Operation: 11-6=5, Resulting Numbers: [5] 5,78 unequal: No Solution Exploring Operation: 6+11=17, Resulting Numbers: [17] 17,78 unequal: No Solution Exploring Operation: 6*11=66, Resulting Numbers: [66] 66,78 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 78:[1, 4], Operations: ['77-71=6', '10-6=4'] Exploring Operation: 1*4=4, Resulting Numbers: [4] 4,78 unequal: No Solution Exploring Operation: 4/1=4, Resulting Numbers: [4] 4,78 unequal: No Solution Exploring Operation: 1+4=5, Resulting Numbers: [5] 5,78 unequal: No Solution Exploring Operation: 4-1=3, Resulting Numbers: [3] 3,78 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 78:[6, 9], Operations: ['77-71=6', '10-1=9'] Exploring Operation: 6*9=54, Resulting Numbers: [54] 54,78 unequal: No Solution Exploring Operation: 9-6=3, Resulting Numbers: [3] 3,78 unequal: No Solution Exploring Operation: 6+9=15, Resulting Numbers: [15] 15,78 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 78:[6, 10], Operations: ['77-71=6', '10/1=10'] Exploring Operation: 6+10=16, Resulting Numbers: [16] 16,78 unequal: No Solution Exploring Operation: 6*10=60, Resulting Numbers: [60] 60,78 unequal: No Solution Exploring Operation: 10-6=4, Resulting Numbers: [4] 4,78 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 78:[6, 10], Operations: ['77-71=6', '1*10=10'] Exploring Operation: 6*10=60, Resulting Numbers: [60] 60,78 unequal: No Solution Exploring Operation: 10-6=4, Resulting Numbers: [4] 4,78 unequal: No Solution Exploring Operation: 6+10=16, Resulting Numbers: [16] 16,78 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: 78:[1, 77, 81], Operations: ['71+10=81'] Exploring Operation: 1*77=77, Resulting Numbers: [81, 77] Generated Node #0,2,0: 78:[81, 77] Operation: 1*77=77 Exploring Operation: 77/1=77, Resulting Numbers: [81, 77] Generated Node #0,2,1: 78:[81, 77] Operation: 77/1=77 Exploring Operation: 81-1=80, Resulting Numbers: [77, 80] Generated Node #0,2,2: 78:[77, 80] Operation: 81-1=80 Exploring Operation: 81-77=4, Resulting Numbers: [1, 4] Generated Node #0,2,3: 78:[1, 4] Operation: 81-77=4 Exploring Operation: 1+77=78, Resulting Numbers: [81, 78] Generated Node #0,2,4: 78:[81, 78] Operation: 1+77=78 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 78:[1, 4], Operations: ['71+10=81', '81-77=4'] Exploring Operation: 1+4=5, Resulting Numbers: [5] 5,78 unequal: No Solution Exploring Operation: 1*4=4, Resulting Numbers: [4] 4,78 unequal: No Solution Exploring Operation: 4-1=3, Resulting Numbers: [3] 3,78 unequal: No Solution Exploring Operation: 4/1=4, Resulting Numbers: [4] 4,78 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 78:[77, 80], Operations: ['71+10=81', '81-1=80'] Exploring Operation: 77*80=6160, Resulting Numbers: [6160] 6160,78 unequal: No Solution Exploring Operation: 80-77=3, Resulting Numbers: [3] 3,78 unequal: No Solution Exploring Operation: 77+80=157, Resulting Numbers: [157] 157,78 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 78:[81, 78], Operations: ['71+10=81', '1+77=78'] Exploring Operation: 81-78=3, Resulting Numbers: [3] 3,78 unequal: No Solution Exploring Operation: 81*78=6318, Resulting Numbers: [6318] 6318,78 unequal: No Solution Exploring Operation: 81+78=159, Resulting Numbers: [159] 159,78 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 78:[81, 77], Operations: ['71+10=81', '1*77=77'] Exploring Operation: 81*77=6237, Resulting Numbers: [6237] 6237,78 unequal: No Solution Exploring Operation: 81-77=4, Resulting Numbers: [4] 4,78 unequal: No Solution Exploring Operation: 81+77=158, Resulting Numbers: [158] 158,78 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 78:[81, 77], Operations: ['71+10=81', '77/1=77'] Exploring Operation: 81+77=158, Resulting Numbers: [158] 158,78 unequal: No Solution Exploring Operation: 81*77=6237, Resulting Numbers: [6237] 6237,78 unequal: No Solution Exploring Operation: 81-77=4, Resulting Numbers: [4] 4,78 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 78:[71, 77, 11], Operations: ['1+10=11'] Exploring Operation: 77+11=88, Resulting Numbers: [71, 88] Generated Node #0,1,0: 78:[71, 88] Operation: 77+11=88 Exploring Operation: 71-11=60, Resulting Numbers: [77, 60] Generated Node #0,1,1: 78:[77, 60] Operation: 71-11=60 Exploring Operation: 77-71=6, Resulting Numbers: [11, 6] Generated Node #0,1,2: 78:[11, 6] Operation: 77-71=6 Exploring Operation: 71+11=82, Resulting Numbers: [77, 82] Generated Node #0,1,3: 78:[77, 82] Operation: 71+11=82 Exploring Operation: 77/11=7, Resulting Numbers: [71, 7] Generated Node #0,1,4: 78:[71, 7] Operation: 77/11=7 Moving to Node #0,3 Current State: 78:[71, 10, 78], Operations: ['1+77=78'] Exploring Operation: 10+78=88, Resulting Numbers: [71, 88] Generated Node #0,3,0: 78:[71, 88] Operation: 10+78=88 Exploring Operation: 71+10=81, Resulting Numbers: [78, 81] Generated Node #0,3,1: 78:[78, 81] Operation: 71+10=81 Exploring Operation: 78-71=7, Resulting Numbers: [10, 7] Generated Node #0,3,2: 78:[10, 7] Operation: 78-71=7 Exploring Operation: 78-10=68, Resulting Numbers: [71, 68] Generated Node #0,3,3: 78:[71, 68] Operation: 78-10=68 Exploring Operation: 71-10=61, Resulting Numbers: [78, 61] Generated Node #0,3,4: 78:[78, 61] Operation: 71-10=61 Moving to Node #0,4 Current State: 78:[77, 10, 72], Operations: ['1+71=72'] Exploring Operation: 10+72=82, Resulting Numbers: [77, 82] Generated Node #0,4,0: 78:[77, 82] Operation: 10+72=82 Exploring Operation: 77+10=87, Resulting Numbers: [72, 87] Generated Node #0,4,1: 78:[72, 87] Operation: 77+10=87 Exploring Operation: 77-10=67, Resulting Numbers: [72, 67] Generated Node #0,4,2: 78:[72, 67] Operation: 77-10=67 Exploring Operation: 72-10=62, Resulting Numbers: [77, 62] Generated Node #0,4,3: 78:[77, 62] Operation: 72-10=62 Exploring Operation: 77-72=5, Resulting Numbers: [10, 5] Generated Node #0,4,4: 78:[10, 5] Operation: 77-72=5 Moving to Node #0,1,2 Current State: 78:[11, 6], Operations: ['1+10=11', '77-71=6'] Exploring Operation: 11-6=5, Resulting Numbers: [5] 5,78 unequal: No Solution Exploring Operation: 11*6=66, Resulting Numbers: [66] 66,78 unequal: No Solution Exploring Operation: 11+6=17, Resulting Numbers: [17] 17,78 unequal: No Solution Moving to Node #0,3,1 Current State: 78:[78, 81], Operations: ['1+77=78', '71+10=81'] Exploring Operation: 78+81=159, Resulting Numbers: [159] 159,78 unequal: No Solution Exploring Operation: 78*81=6318, Resulting Numbers: [6318] 6318,78 unequal: No Solution Exploring Operation: 81-78=3, Resulting Numbers: [3] 3,78 unequal: No Solution Moving to Node #0,3,2 Current State: 78:[10, 7], Operations: ['1+77=78', '78-71=7'] Exploring Operation: 10*7=70, Resulting Numbers: [70] 70,78 unequal: No Solution Exploring Operation: 10-7=3, Resulting Numbers: [3] 3,78 unequal: No Solution Exploring Operation: 10+7=17, Resulting Numbers: [17] 17,78 unequal: No Solution Moving to Node #0,4,4 Current State: 78:[10, 5], Operations: ['1+71=72', '77-72=5'] Exploring Operation: 10/5=2, Resulting Numbers: [2] 2,78 unequal: No Solution Exploring Operation: 10*5=50, Resulting Numbers: [50] 50,78 unequal: No Solution Exploring Operation: 10+5=15, Resulting Numbers: [15] 15,78 unequal: No Solution Exploring Operation: 10-5=5, Resulting Numbers: [5] 5,78 unequal: No Solution Moving to Node #0,4,0 Current State: 78:[77, 82], Operations: ['1+71=72', '10+72=82'] Exploring Operation: 82-77=5, Resulting Numbers: [5] 5,78 unequal: No Solution Exploring Operation: 77+82=159, Resulting Numbers: [159] 159,78 unequal: No Solution Exploring Operation: 77*82=6314, Resulting Numbers: [6314] 6314,78 unequal: No Solution Moving to Node #0,1,3 Current State: 78:[77, 82], Operations: ['1+10=11', '71+11=82'] Exploring Operation: 82-77=5, Resulting Numbers: [5] 5,78 unequal: No Solution Exploring Operation: 77*82=6314, Resulting Numbers: [6314] 6314,78 unequal: No Solution Exploring Operation: 77+82=159, Resulting Numbers: [159] 159,78 unequal: No Solution Moving to Node #0,1,4 Current State: 78:[71, 7], Operations: ['1+10=11', '77/11=7'] Exploring Operation: 71-7=64, Resulting Numbers: [64] 64,78 unequal: No Solution Exploring Operation: 71*7=497, Resulting Numbers: [497] 497,78 unequal: No Solution Exploring Operation: 71+7=78, Resulting Numbers: [78] 78,78 equal: Goal Reached Moving to Node #0 Current State: 78:[1, 71, 77, 10], Operations: [] Exploring Operation: 1+10=11, Resulting Numbers: [71, 77, 11] Generated Node #0,1: 78:[71, 77, 11] Operation: 1+10=11 Moving to Node #0,1 Current State: 78:[71, 77, 11], Operations: ['1+10=11'] Exploring Operation: 77/11=7, Resulting Numbers: [71, 7] Generated Node #0,1,4: 78:[71, 7] Operation: 77/11=7 Moving to Node #0,1,4 Current State: 78:[71, 7], Operations: ['1+10=11', '77/11=7'] Exploring Operation: 71+7=78, Resulting Numbers: [78] 78,78 equal: Goal Reached
0.923611
hs_5
mult_heuristic
[ 78, 43, 80, 86 ]
45
[ "78+43=121", "80+86=166", "166-121=45" ]
Current State: 45:[78, 43, 80, 86], Operations: [] Exploring Operation: 78+43=121, Resulting Numbers: [80, 86, 121] Generated Node #2: [80, 86, 121] from Operation: 78+43=121 Current State: 45:[80, 86, 121], Operations: ['78+43=121'] Exploring Operation: 80+86=166, Resulting Numbers: [121, 166] Generated Node #3: [121, 166] from Operation: 80+86=166 Current State: 45:[121, 166], Operations: ['78+43=121', '80+86=166'] Exploring Operation: 166-121=45, Resulting Numbers: [45] 45,45 equal: Goal Reached
4
Current State: 45:[78, 43, 80, 86], Operations: [] Exploring Operation: 86/43=2, Resulting Numbers: [78, 80, 2] Generated Node #0,0: 45:[78, 80, 2] Operation: 86/43=2 Exploring Operation: 86-78=8, Resulting Numbers: [43, 80, 8] Generated Node #0,1: 45:[43, 80, 8] Operation: 86-78=8 Exploring Operation: 86-80=6, Resulting Numbers: [78, 43, 6] Generated Node #0,2: 45:[78, 43, 6] Operation: 86-80=6 Exploring Operation: 80-78=2, Resulting Numbers: [43, 86, 2] Generated Node #0,3: 45:[43, 86, 2] Operation: 80-78=2 Exploring Operation: 86-43=43, Resulting Numbers: [78, 80, 43] Generated Node #0,4: 45:[78, 80, 43] Operation: 86-43=43 Start Sub Search at level 1: Moving to Node #0,2 Current State: 45:[78, 43, 6], Operations: ['86-80=6'] Exploring Operation: 78/6=13, Resulting Numbers: [43, 13] Generated Node #0,2,0: 45:[43, 13] Operation: 78/6=13 Exploring Operation: 78-43=35, Resulting Numbers: [6, 35] Generated Node #0,2,1: 45:[6, 35] Operation: 78-43=35 Exploring Operation: 78-6=72, Resulting Numbers: [43, 72] Generated Node #0,2,2: 45:[43, 72] Operation: 78-6=72 Exploring Operation: 78+6=84, Resulting Numbers: [43, 84] Generated Node #0,2,3: 45:[43, 84] Operation: 78+6=84 Exploring Operation: 43+6=49, Resulting Numbers: [78, 49] Generated Node #0,2,4: 45:[78, 49] Operation: 43+6=49 Moving to Node #0,2,0 Current State: 45:[43, 13], Operations: ['86-80=6', '78/6=13'] Exploring Operation: 43+13=56, Resulting Numbers: [56] 56,45 unequal: No Solution Exploring Operation: 43-13=30, Resulting Numbers: [30] 30,45 unequal: No Solution Exploring Operation: 43*13=559, Resulting Numbers: [559] 559,45 unequal: No Solution Moving to Node #0,2,1 Current State: 45:[6, 35], Operations: ['86-80=6', '78-43=35'] Exploring Operation: 35-6=29, Resulting Numbers: [29] 29,45 unequal: No Solution Exploring Operation: 6+35=41, Resulting Numbers: [41] 41,45 unequal: No Solution Exploring Operation: 6*35=210, Resulting Numbers: [210] 210,45 unequal: No Solution Moving to Node #0,2,2 Current State: 45:[43, 72], Operations: ['86-80=6', '78-6=72'] Exploring Operation: 43+72=115, Resulting Numbers: [115] 115,45 unequal: No Solution Exploring Operation: 72-43=29, Resulting Numbers: [29] 29,45 unequal: No Solution Exploring Operation: 43*72=3096, Resulting Numbers: [3096] 3096,45 unequal: No Solution Moving to Node #0,2,4 Current State: 45:[78, 49], Operations: ['86-80=6', '43+6=49'] Exploring Operation: 78-49=29, Resulting Numbers: [29] 29,45 unequal: No Solution Exploring Operation: 78+49=127, Resulting Numbers: [127] 127,45 unequal: No Solution Exploring Operation: 78*49=3822, Resulting Numbers: [3822] 3822,45 unequal: No Solution Moving to Node #0,2,3 Current State: 45:[43, 84], Operations: ['86-80=6', '78+6=84'] Exploring Operation: 84-43=41, Resulting Numbers: [41] 41,45 unequal: No Solution Exploring Operation: 43*84=3612, Resulting Numbers: [3612] 3612,45 unequal: No Solution Exploring Operation: 43+84=127, Resulting Numbers: [127] 127,45 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 45:[43, 80, 8], Operations: ['86-78=8'] Exploring Operation: 43-8=35, Resulting Numbers: [80, 35] Generated Node #0,1,0: 45:[80, 35] Operation: 43-8=35 Exploring Operation: 80-8=72, Resulting Numbers: [43, 72] Generated Node #0,1,1: 45:[43, 72] Operation: 80-8=72 Exploring Operation: 80/8=10, Resulting Numbers: [43, 10] Generated Node #0,1,2: 45:[43, 10] Operation: 80/8=10 Exploring Operation: 80-43=37, Resulting Numbers: [8, 37] Generated Node #0,1,3: 45:[8, 37] Operation: 80-43=37 Exploring Operation: 43+8=51, Resulting Numbers: [80, 51] Generated Node #0,1,4: 45:[80, 51] Operation: 43+8=51 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 45:[43, 10], Operations: ['86-78=8', '80/8=10'] Exploring Operation: 43*10=430, Resulting Numbers: [430] 430,45 unequal: No Solution Exploring Operation: 43+10=53, Resulting Numbers: [53] 53,45 unequal: No Solution Exploring Operation: 43-10=33, Resulting Numbers: [33] 33,45 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 45:[8, 37], Operations: ['86-78=8', '80-43=37'] Exploring Operation: 8+37=45, Resulting Numbers: [45] 45,45 equal: Goal Reached Moving to Node #0 Current State: 45:[78, 43, 80, 86], Operations: [] Exploring Operation: 86-78=8, Resulting Numbers: [43, 80, 8] Generated Node #0,1: 45:[43, 80, 8] Operation: 86-78=8 Moving to Node #0,1 Current State: 45:[43, 80, 8], Operations: ['86-78=8'] Exploring Operation: 80-43=37, Resulting Numbers: [8, 37] Generated Node #0,1,3: 45:[8, 37] Operation: 80-43=37 Moving to Node #0,1,3 Current State: 45:[8, 37], Operations: ['86-78=8', '80-43=37'] Exploring Operation: 8+37=45, Resulting Numbers: [45] 45,45 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.967014
hs_5
sum_heuristic
[ 1, 8, 55, 27 ]
90
[ "1*8=8", "55+27=82", "8+82=90" ]
Current State: 90:[1, 8, 55, 27], Operations: [] Exploring Operation: 1*8=8, Resulting Numbers: [55, 27, 8] Generated Node #2: [55, 27, 8] from Operation: 1*8=8 Current State: 90:[55, 27, 8], Operations: ['1*8=8'] Exploring Operation: 55+27=82, Resulting Numbers: [8, 82] Generated Node #3: [8, 82] from Operation: 55+27=82 Current State: 90:[8, 82], Operations: ['1*8=8', '55+27=82'] Exploring Operation: 8+82=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
4
Current State: 90:[1, 8, 55, 27], Operations: [] Exploring Operation: 55-8=47, Resulting Numbers: [1, 27, 47] Generated Node #0,0: 90:[1, 27, 47] Operation: 55-8=47 Exploring Operation: 27-8=19, Resulting Numbers: [1, 55, 19] Generated Node #0,1: 90:[1, 55, 19] Operation: 27-8=19 Exploring Operation: 1+8=9, Resulting Numbers: [55, 27, 9] Generated Node #0,2: 90:[55, 27, 9] Operation: 1+8=9 Exploring Operation: 55-27=28, Resulting Numbers: [1, 8, 28] Generated Node #0,3: 90:[1, 8, 28] Operation: 55-27=28 Exploring Operation: 55+27=82, Resulting Numbers: [1, 8, 82] Generated Node #0,4: 90:[1, 8, 82] Operation: 55+27=82 Moving to Node #0,3 Current State: 90:[1, 8, 28], Operations: ['55-27=28'] Exploring Operation: 8-1=7, Resulting Numbers: [28, 7] Generated Node #0,3,0: 90:[28, 7] Operation: 8-1=7 Exploring Operation: 1*8=8, Resulting Numbers: [28, 8] Generated Node #0,3,1: 90:[28, 8] Operation: 1*8=8 Exploring Operation: 1+8=9, Resulting Numbers: [28, 9] Generated Node #0,3,2: 90:[28, 9] Operation: 1+8=9 Exploring Operation: 1+28=29, Resulting Numbers: [8, 29] Generated Node #0,3,3: 90:[8, 29] Operation: 1+28=29 Exploring Operation: 8/1=8, Resulting Numbers: [28, 8] Generated Node #0,3,4: 90:[28, 8] Operation: 8/1=8 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 90:[28, 9], Operations: ['55-27=28', '1+8=9'] Exploring Operation: 28-9=19, Resulting Numbers: [19] 19,90 unequal: No Solution Exploring Operation: 28*9=252, Resulting Numbers: [252] 252,90 unequal: No Solution Exploring Operation: 28+9=37, Resulting Numbers: [37] 37,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 90:[8, 29], Operations: ['55-27=28', '1+28=29'] Exploring Operation: 8+29=37, Resulting Numbers: [37] 37,90 unequal: No Solution Exploring Operation: 29-8=21, Resulting Numbers: [21] 21,90 unequal: No Solution Exploring Operation: 8*29=232, Resulting Numbers: [232] 232,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 90:[28, 7], Operations: ['55-27=28', '8-1=7'] Exploring Operation: 28-7=21, Resulting Numbers: [21] 21,90 unequal: No Solution Exploring Operation: 28+7=35, Resulting Numbers: [35] 35,90 unequal: No Solution Exploring Operation: 28*7=196, Resulting Numbers: [196] 196,90 unequal: No Solution Exploring Operation: 28/7=4, Resulting Numbers: [4] 4,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 90:[28, 8], Operations: ['55-27=28', '1*8=8'] Exploring Operation: 28-8=20, Resulting Numbers: [20] 20,90 unequal: No Solution Exploring Operation: 28+8=36, Resulting Numbers: [36] 36,90 unequal: No Solution Exploring Operation: 28*8=224, Resulting Numbers: [224] 224,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 90:[28, 8], Operations: ['55-27=28', '8/1=8'] Exploring Operation: 28*8=224, Resulting Numbers: [224] 224,90 unequal: No Solution Exploring Operation: 28+8=36, Resulting Numbers: [36] 36,90 unequal: No Solution Exploring Operation: 28-8=20, Resulting Numbers: [20] 20,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 90:[1, 27, 47], Operations: ['55-8=47'] Exploring Operation: 47-27=20, Resulting Numbers: [1, 20] Generated Node #0,0,0: 90:[1, 20] Operation: 47-27=20 Exploring Operation: 1*27=27, Resulting Numbers: [47, 27] Generated Node #0,0,1: 90:[47, 27] Operation: 1*27=27 Exploring Operation: 1+27=28, Resulting Numbers: [47, 28] Generated Node #0,0,2: 90:[47, 28] Operation: 1+27=28 Exploring Operation: 47-1=46, Resulting Numbers: [27, 46] Generated Node #0,0,3: 90:[27, 46] Operation: 47-1=46 Exploring Operation: 27/1=27, Resulting Numbers: [47, 27] Generated Node #0,0,4: 90:[47, 27] Operation: 27/1=27 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 90:[1, 20], Operations: ['55-8=47', '47-27=20'] Exploring Operation: 1+20=21, Resulting Numbers: [21] 21,90 unequal: No Solution Exploring Operation: 1*20=20, Resulting Numbers: [20] 20,90 unequal: No Solution Exploring Operation: 20-1=19, Resulting Numbers: [19] 19,90 unequal: No Solution Exploring Operation: 20/1=20, Resulting Numbers: [20] 20,90 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 #0,0,2 Current State: 90:[47, 28], Operations: ['55-8=47', '1+27=28'] Exploring Operation: 47-28=19, Resulting Numbers: [19] 19,90 unequal: No Solution Exploring Operation: 47*28=1316, Resulting Numbers: [1316] 1316,90 unequal: No Solution Exploring Operation: 47+28=75, Resulting Numbers: [75] 75,90 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 #0,0,3 Current State: 90:[27, 46], Operations: ['55-8=47', '47-1=46'] Exploring Operation: 27*46=1242, Resulting Numbers: [1242] 1242,90 unequal: No Solution Exploring Operation: 27+46=73, Resulting Numbers: [73] 73,90 unequal: No Solution Exploring Operation: 46-27=19, Resulting Numbers: [19] 19,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 90:[47, 27], Operations: ['55-8=47', '1*27=27'] Exploring Operation: 47+27=74, Resulting Numbers: [74] 74,90 unequal: No Solution Exploring Operation: 47-27=20, Resulting Numbers: [20] 20,90 unequal: No Solution Exploring Operation: 47*27=1269, Resulting Numbers: [1269] 1269,90 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 #0,0,4 Current State: 90:[47, 27], Operations: ['55-8=47', '27/1=27'] Exploring Operation: 47-27=20, Resulting Numbers: [20] 20,90 unequal: No Solution Exploring Operation: 47*27=1269, Resulting Numbers: [1269] 1269,90 unequal: No Solution Exploring Operation: 47+27=74, Resulting Numbers: [74] 74,90 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: 90:[1, 8, 82], Operations: ['55+27=82'] Exploring Operation: 8+82=90, Resulting Numbers: [1, 90] Generated Node #0,4,0: 90:[1, 90] Operation: 8+82=90 Exploring Operation: 1+82=83, Resulting Numbers: [8, 83] Generated Node #0,4,1: 90:[8, 83] Operation: 1+82=83 Exploring Operation: 1+8=9, Resulting Numbers: [82, 9] Generated Node #0,4,2: 90:[82, 9] Operation: 1+8=9 Exploring Operation: 1*8=8, Resulting Numbers: [82, 8] Generated Node #0,4,3: 90:[82, 8] Operation: 1*8=8 Exploring Operation: 8-1=7, Resulting Numbers: [82, 7] Generated Node #0,4,4: 90:[82, 7] Operation: 8-1=7 Moving to Node #0,1 Current State: 90:[1, 55, 19], Operations: ['27-8=19'] Exploring Operation: 55-1=54, Resulting Numbers: [19, 54] Generated Node #0,1,0: 90:[19, 54] Operation: 55-1=54 Exploring Operation: 1*55=55, Resulting Numbers: [19, 55] Generated Node #0,1,1: 90:[19, 55] Operation: 1*55=55 Exploring Operation: 55/1=55, Resulting Numbers: [19, 55] Generated Node #0,1,2: 90:[19, 55] Operation: 55/1=55 Exploring Operation: 55-19=36, Resulting Numbers: [1, 36] Generated Node #0,1,3: 90:[1, 36] Operation: 55-19=36 Exploring Operation: 19-1=18, Resulting Numbers: [55, 18] Generated Node #0,1,4: 90:[55, 18] Operation: 19-1=18 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 90:[1, 36], Operations: ['27-8=19', '55-19=36'] Exploring Operation: 36/1=36, Resulting Numbers: [36] 36,90 unequal: No Solution Exploring Operation: 1+36=37, Resulting Numbers: [37] 37,90 unequal: No Solution Exploring Operation: 1*36=36, Resulting Numbers: [36] 36,90 unequal: No Solution Exploring Operation: 36-1=35, Resulting Numbers: [35] 35,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 90:[19, 54], Operations: ['27-8=19', '55-1=54'] Exploring Operation: 19+54=73, Resulting Numbers: [73] 73,90 unequal: No Solution Exploring Operation: 19*54=1026, Resulting Numbers: [1026] 1026,90 unequal: No Solution Exploring Operation: 54-19=35, Resulting Numbers: [35] 35,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 90:[55, 18], Operations: ['27-8=19', '19-1=18'] Exploring Operation: 55+18=73, Resulting Numbers: [73] 73,90 unequal: No Solution Exploring Operation: 55*18=990, Resulting Numbers: [990] 990,90 unequal: No Solution Exploring Operation: 55-18=37, Resulting Numbers: [37] 37,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 90:[19, 55], Operations: ['27-8=19', '1*55=55'] Exploring Operation: 19*55=1045, Resulting Numbers: [1045] 1045,90 unequal: No Solution Exploring Operation: 19+55=74, Resulting Numbers: [74] 74,90 unequal: No Solution Exploring Operation: 55-19=36, Resulting Numbers: [36] 36,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 90:[19, 55], Operations: ['27-8=19', '55/1=55'] Exploring Operation: 55-19=36, Resulting Numbers: [36] 36,90 unequal: No Solution Exploring Operation: 19*55=1045, Resulting Numbers: [1045] 1045,90 unequal: No Solution Exploring Operation: 19+55=74, Resulting Numbers: [74] 74,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 90:[55, 27, 9], Operations: ['1+8=9'] Exploring Operation: 27-9=18, Resulting Numbers: [55, 18] Generated Node #0,2,0: 90:[55, 18] Operation: 27-9=18 Exploring Operation: 55+27=82, Resulting Numbers: [9, 82] Generated Node #0,2,1: 90:[9, 82] Operation: 55+27=82 Exploring Operation: 27/9=3, Resulting Numbers: [55, 3] Generated Node #0,2,2: 90:[55, 3] Operation: 27/9=3 Exploring Operation: 55-9=46, Resulting Numbers: [27, 46] Generated Node #0,2,3: 90:[27, 46] Operation: 55-9=46 Exploring Operation: 55-27=28, Resulting Numbers: [9, 28] Generated Node #0,2,4: 90:[9, 28] Operation: 55-27=28 Moving to Node #0,4,0 Current State: 90:[1, 90], Operations: ['55+27=82', '8+82=90'] Exploring Operation: 1*90=90, Resulting Numbers: [90] 90,90 equal: Goal Reached Moving to Node #0 Current State: 90:[1, 8, 55, 27], Operations: [] Exploring Operation: 55+27=82, Resulting Numbers: [1, 8, 82] Generated Node #0,4: 90:[1, 8, 82] Operation: 55+27=82 Moving to Node #0,4 Current State: 90:[1, 8, 82], Operations: ['55+27=82'] Exploring Operation: 8+82=90, Resulting Numbers: [1, 90] Generated Node #0,4,0: 90:[1, 90] Operation: 8+82=90 Moving to Node #0,4,0 Current State: 90:[1, 90], Operations: ['55+27=82', '8+82=90'] Exploring Operation: 1*90=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
0.927951
hs_5
sum_heuristic
[ 2, 9, 81, 86 ]
90
[ "2*9=18", "86-81=5", "18*5=90" ]
Current State: 90:[2, 9, 81, 86], Operations: [] Exploring Operation: 2*9=18, Resulting Numbers: [81, 86, 18] Generated Node #2: [81, 86, 18] from Operation: 2*9=18 Current State: 90:[81, 86, 18], Operations: ['2*9=18'] Exploring Operation: 86-81=5, Resulting Numbers: [18, 5] Generated Node #3: [18, 5] from Operation: 86-81=5 Current State: 90:[18, 5], Operations: ['2*9=18', '86-81=5'] Exploring Operation: 18*5=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
4
Current State: 90:[2, 9, 81, 86], Operations: [] Exploring Operation: 81/9=9, Resulting Numbers: [2, 86, 9] Generated Node #0,0: 90:[2, 86, 9] Operation: 81/9=9 Exploring Operation: 86-81=5, Resulting Numbers: [2, 9, 5] Generated Node #0,1: 90:[2, 9, 5] Operation: 86-81=5 Exploring Operation: 9+81=90, Resulting Numbers: [2, 86, 90] Generated Node #0,2: 90:[2, 86, 90] Operation: 9+81=90 Exploring Operation: 2+81=83, Resulting Numbers: [9, 86, 83] Generated Node #0,3: 90:[9, 86, 83] Operation: 2+81=83 Start Sub Search at level 1: Moving to Node #0,1 Current State: 90:[2, 9, 5], Operations: ['86-81=5'] Exploring Operation: 5-2=3, Resulting Numbers: [9, 3] Generated Node #0,1,0: 90:[9, 3] Operation: 5-2=3 Exploring Operation: 2*9=18, Resulting Numbers: [5, 18] Generated Node #0,1,1: 90:[5, 18] Operation: 2*9=18 Exploring Operation: 2*5=10, Resulting Numbers: [9, 10] Generated Node #0,1,2: 90:[9, 10] Operation: 2*5=10 Exploring Operation: 9*5=45, Resulting Numbers: [2, 45] Generated Node #0,1,3: 90:[2, 45] Operation: 9*5=45 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 90:[9, 3], Operations: ['86-81=5', '5-2=3'] Exploring Operation: 9+3=12, Resulting Numbers: [12] 12,90 unequal: No Solution Exploring Operation: 9-3=6, Resulting Numbers: [6] 6,90 unequal: No Solution Exploring Operation: 9*3=27, Resulting Numbers: [27] 27,90 unequal: No Solution Exploring Operation: 9/3=3, Resulting Numbers: [3] 3,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 90:[5, 18], Operations: ['86-81=5', '2*9=18'] Exploring Operation: 5+18=23, Resulting Numbers: [23] 23,90 unequal: No Solution Exploring Operation: 5*18=90, Resulting Numbers: [90] 90,90 equal: Goal Reached Moving to Node #0 Current State: 90:[2, 9, 81, 86], Operations: [] Exploring Operation: 86-81=5, Resulting Numbers: [2, 9, 5] Generated Node #0,1: 90:[2, 9, 5] Operation: 86-81=5 Moving to Node #0,1 Current State: 90:[2, 9, 5], Operations: ['86-81=5'] Exploring Operation: 2*9=18, Resulting Numbers: [5, 18] Generated Node #0,1,1: 90:[5, 18] Operation: 2*9=18 Moving to Node #0,1,1 Current State: 90:[5, 18], Operations: ['86-81=5', '2*9=18'] Exploring Operation: 5*18=90, Resulting Numbers: [90] 90,90 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.984375
hs_4
mult_heuristic
[ 44, 70, 58, 27 ]
22
[ "58-44=14", "70/14=5", "27-5=22" ]
Current State: 22:[44, 70, 58, 27], Operations: [] Exploring Operation: 58-44=14, Resulting Numbers: [70, 27, 14] Generated Node #2: [70, 27, 14] from Operation: 58-44=14 Current State: 22:[70, 27, 14], Operations: ['58-44=14'] Exploring Operation: 70/14=5, Resulting Numbers: [27, 5] Generated Node #3: [27, 5] from Operation: 70/14=5 Current State: 22:[27, 5], Operations: ['58-44=14', '70/14=5'] Exploring Operation: 27-5=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
4
Current State: 22:[44, 70, 58, 27], Operations: [] Exploring Operation: 70-58=12, Resulting Numbers: [44, 27, 12] Generated Node #0,0: 22:[44, 27, 12] Operation: 70-58=12 Moving to Node #0,0 Current State: 22:[44, 27, 12], Operations: ['70-58=12'] Exploring Operation: 44-27=17, Resulting Numbers: [12, 17] Generated Node #0,0,0: 22:[12, 17] Operation: 44-27=17 Moving to Node #0,0,0 Current State: 22:[12, 17], Operations: ['70-58=12', '44-27=17'] Exploring Operation: 17-12=5, Resulting Numbers: [5] 5,22 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 75, 28, 64, 62 ]
79
[ "75-28=47", "64+62=126", "126-47=79" ]
Current State: 79:[75, 28, 64, 62], Operations: [] Exploring Operation: 75-28=47, Resulting Numbers: [64, 62, 47] Generated Node #2: [64, 62, 47] from Operation: 75-28=47 Current State: 79:[64, 62, 47], Operations: ['75-28=47'] Exploring Operation: 64+62=126, Resulting Numbers: [47, 126] Generated Node #3: [47, 126] from Operation: 64+62=126 Current State: 79:[47, 126], Operations: ['75-28=47', '64+62=126'] Exploring Operation: 126-47=79, Resulting Numbers: [79] 79,79 equal: Goal Reached
4
Current State: 79:[75, 28, 64, 62], Operations: [] Exploring Operation: 75-28=47, Resulting Numbers: [64, 62, 47] Generated Node #0,0: 79:[64, 62, 47] Operation: 75-28=47 Exploring Operation: 28+62=90, Resulting Numbers: [75, 64, 90] Generated Node #0,1: 79:[75, 64, 90] Operation: 28+62=90 Exploring Operation: 75+28=103, Resulting Numbers: [64, 62, 103] Generated Node #0,2: 79:[64, 62, 103] Operation: 75+28=103 Exploring Operation: 28+64=92, Resulting Numbers: [75, 62, 92] Generated Node #0,3: 79:[75, 62, 92] Operation: 28+64=92 Start Sub Search at level 1: Moving to Node #0,1 Current State: 79:[75, 64, 90], Operations: ['28+62=90'] Exploring Operation: 75-64=11, Resulting Numbers: [90, 11] Generated Node #0,1,0: 79:[90, 11] Operation: 75-64=11 Exploring Operation: 75+64=139, Resulting Numbers: [90, 139] Generated Node #0,1,1: 79:[90, 139] Operation: 75+64=139 Exploring Operation: 90-64=26, Resulting Numbers: [75, 26] Generated Node #0,1,2: 79:[75, 26] Operation: 90-64=26 Exploring Operation: 90-75=15, Resulting Numbers: [64, 15] Generated Node #0,1,3: 79:[64, 15] Operation: 90-75=15 Moving to Node #0,1,2 Current State: 79:[75, 26], Operations: ['28+62=90', '90-64=26'] Exploring Operation: 75-26=49, Resulting Numbers: [49] 49,79 unequal: No Solution Exploring Operation: 75*26=1950, Resulting Numbers: [1950] 1950,79 unequal: No Solution Exploring Operation: 75+26=101, Resulting Numbers: [101] 101,79 unequal: No Solution Moving to Node #0,1,1 Current State: 79:[90, 139], Operations: ['28+62=90', '75+64=139'] Exploring Operation: 90+139=229, Resulting Numbers: [229] 229,79 unequal: No Solution Exploring Operation: 90*139=12510, Resulting Numbers: [12510] 12510,79 unequal: No Solution Exploring Operation: 139-90=49, Resulting Numbers: [49] 49,79 unequal: No Solution Moving to Node #0,1,3 Current State: 79:[64, 15], Operations: ['28+62=90', '90-75=15'] Exploring Operation: 64-15=49, Resulting Numbers: [49] 49,79 unequal: No Solution Exploring Operation: 64*15=960, Resulting Numbers: [960] 960,79 unequal: No Solution Exploring Operation: 64+15=79, Resulting Numbers: [79] 79,79 equal: Goal Reached Moving to Node #0 Current State: 79:[75, 28, 64, 62], Operations: [] Exploring Operation: 28+62=90, Resulting Numbers: [75, 64, 90] Generated Node #0,1: 79:[75, 64, 90] Operation: 28+62=90 Moving to Node #0,1 Current State: 79:[75, 64, 90], Operations: ['28+62=90'] Exploring Operation: 90-75=15, Resulting Numbers: [64, 15] Generated Node #0,1,3: 79:[64, 15] Operation: 90-75=15 Moving to Node #0,1,3 Current State: 79:[64, 15], Operations: ['28+62=90', '90-75=15'] Exploring Operation: 64+15=79, Resulting Numbers: [79] 79,79 equal: Goal Reached Exit Sub Search at level 1
0.981771
hs_4
sum_heuristic
[ 16, 71, 94, 63 ]
56
[ "16+71=87", "94-63=31", "87-31=56" ]
Current State: 56:[16, 71, 94, 63], Operations: [] Exploring Operation: 16+71=87, Resulting Numbers: [94, 63, 87] Generated Node #2: [94, 63, 87] from Operation: 16+71=87 Current State: 56:[94, 63, 87], Operations: ['16+71=87'] Exploring Operation: 94-63=31, Resulting Numbers: [87, 31] Generated Node #3: [87, 31] from Operation: 94-63=31 Current State: 56:[87, 31], Operations: ['16+71=87', '94-63=31'] Exploring Operation: 87-31=56, Resulting Numbers: [56] 56,56 equal: Goal Reached
4
Current State: 56:[16, 71, 94, 63], Operations: [] Exploring Operation: 94-63=31, Resulting Numbers: [16, 71, 31] Generated Node #0,0: 56:[16, 71, 31] Operation: 94-63=31 Exploring Operation: 94-71=23, Resulting Numbers: [16, 63, 23] Generated Node #0,1: 56:[16, 63, 23] Operation: 94-71=23 Exploring Operation: 94-16=78, Resulting Numbers: [71, 63, 78] Generated Node #0,2: 56:[71, 63, 78] Operation: 94-16=78 Exploring Operation: 71-63=8, Resulting Numbers: [16, 94, 8] Generated Node #0,3: 56:[16, 94, 8] Operation: 71-63=8 Start Sub Search at level 1: Moving to Node #0,1 Current State: 56:[16, 63, 23], Operations: ['94-71=23'] Exploring Operation: 23-16=7, Resulting Numbers: [63, 7] Generated Node #0,1,0: 56:[63, 7] Operation: 23-16=7 Exploring Operation: 63-23=40, Resulting Numbers: [16, 40] Generated Node #0,1,1: 56:[16, 40] Operation: 63-23=40 Exploring Operation: 16+23=39, Resulting Numbers: [63, 39] Generated Node #0,1,2: 56:[63, 39] Operation: 16+23=39 Exploring Operation: 63-16=47, Resulting Numbers: [23, 47] Generated Node #0,1,3: 56:[23, 47] Operation: 63-16=47 Moving to Node #0,1,0 Current State: 56:[63, 7], Operations: ['94-71=23', '23-16=7'] Exploring Operation: 63*7=441, Resulting Numbers: [441] 441,56 unequal: No Solution Exploring Operation: 63-7=56, Resulting Numbers: [56] 56,56 equal: Goal Reached Moving to Node #0 Current State: 56:[16, 71, 94, 63], Operations: [] Exploring Operation: 94-71=23, Resulting Numbers: [16, 63, 23] Generated Node #0,1: 56:[16, 63, 23] Operation: 94-71=23 Moving to Node #0,1 Current State: 56:[16, 63, 23], Operations: ['94-71=23'] Exploring Operation: 23-16=7, Resulting Numbers: [63, 7] Generated Node #0,1,0: 56:[63, 7] Operation: 23-16=7 Moving to Node #0,1,0 Current State: 56:[63, 7], Operations: ['94-71=23', '23-16=7'] Exploring Operation: 63-7=56, Resulting Numbers: [56] 56,56 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_4
mult_heuristic
[ 27, 74, 34, 99 ]
18
[ "74-27=47", "99-34=65", "65-47=18" ]
Current State: 18:[27, 74, 34, 99], Operations: [] Exploring Operation: 74-27=47, Resulting Numbers: [34, 99, 47] Generated Node #2: [34, 99, 47] from Operation: 74-27=47 Current State: 18:[34, 99, 47], Operations: ['74-27=47'] Exploring Operation: 99-34=65, Resulting Numbers: [47, 65] Generated Node #3: [47, 65] from Operation: 99-34=65 Current State: 18:[47, 65], Operations: ['74-27=47', '99-34=65'] Exploring Operation: 65-47=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[27, 74, 34, 99], Operations: [] Exploring Operation: 74-34=40, Resulting Numbers: [27, 99, 40] Generated Node #0,0: 18:[27, 99, 40] Operation: 74-34=40 Exploring Operation: 99-34=65, Resulting Numbers: [27, 74, 65] Generated Node #0,1: 18:[27, 74, 65] Operation: 99-34=65 Exploring Operation: 99-74=25, Resulting Numbers: [27, 34, 25] Generated Node #0,2: 18:[27, 34, 25] Operation: 99-74=25 Moving to Node #0,2 Current State: 18:[27, 34, 25], Operations: ['99-74=25'] Exploring Operation: 34-27=7, Resulting Numbers: [25, 7] Generated Node #0,2,0: 18:[25, 7] Operation: 34-27=7 Exploring Operation: 34-25=9, Resulting Numbers: [27, 9] Generated Node #0,2,1: 18:[27, 9] Operation: 34-25=9 Exploring Operation: 27-25=2, Resulting Numbers: [34, 2] Generated Node #0,2,2: 18:[34, 2] Operation: 27-25=2 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 18:[25, 7], Operations: ['99-74=25', '34-27=7'] Exploring Operation: 25-7=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Moving to Node #0 Current State: 18:[27, 74, 34, 99], Operations: [] Exploring Operation: 99-74=25, Resulting Numbers: [27, 34, 25] Generated Node #0,2: 18:[27, 34, 25] Operation: 99-74=25 Moving to Node #0,2 Current State: 18:[27, 34, 25], Operations: ['99-74=25'] Exploring Operation: 34-27=7, Resulting Numbers: [25, 7] Generated Node #0,2,0: 18:[25, 7] Operation: 34-27=7 Moving to Node #0,2,0 Current State: 18:[25, 7], Operations: ['99-74=25', '34-27=7'] Exploring Operation: 25-7=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_3
sum_heuristic
[ 8, 3, 29, 36 ]
13
[ "8-3=5", "29+36=65", "65/5=13" ]
Current State: 13:[8, 3, 29, 36], Operations: [] Exploring Operation: 8-3=5, Resulting Numbers: [29, 36, 5] Generated Node #2: [29, 36, 5] from Operation: 8-3=5 Current State: 13:[29, 36, 5], Operations: ['8-3=5'] Exploring Operation: 29+36=65, Resulting Numbers: [5, 65] Generated Node #3: [5, 65] from Operation: 29+36=65 Current State: 13:[5, 65], Operations: ['8-3=5', '29+36=65'] Exploring Operation: 65/5=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
4
Current State: 13:[8, 3, 29, 36], Operations: [] Exploring Operation: 36/3=12, Resulting Numbers: [8, 29, 12] Generated Node #0,0: 13:[8, 29, 12] Operation: 36/3=12 Exploring Operation: 36-29=7, Resulting Numbers: [8, 3, 7] Generated Node #0,1: 13:[8, 3, 7] Operation: 36-29=7 Moving to Node #0,1 Current State: 13:[8, 3, 7], Operations: ['36-29=7'] Exploring Operation: 8+3=11, Resulting Numbers: [7, 11] Generated Node #0,1,0: 13:[7, 11] Operation: 8+3=11 Exploring Operation: 3+7=10, Resulting Numbers: [8, 10] Generated Node #0,1,1: 13:[8, 10] Operation: 3+7=10 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 13:[7, 11], Operations: ['36-29=7', '8+3=11'] Exploring Operation: 11-7=4, Resulting Numbers: [4] 4,13 unequal: No Solution Exploring Operation: 7+11=18, Resulting Numbers: [18] 18,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 13:[8, 10], Operations: ['36-29=7', '3+7=10'] Exploring Operation: 8+10=18, Resulting Numbers: [18] 18,13 unequal: No Solution Exploring Operation: 10-8=2, Resulting Numbers: [2] 2,13 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: 13:[8, 29, 12], Operations: ['36/3=12'] Exploring Operation: 29-12=17, Resulting Numbers: [8, 17] Generated Node #0,0,0: 13:[8, 17] Operation: 29-12=17 Exploring Operation: 29-8=21, Resulting Numbers: [12, 21] Generated Node #0,0,1: 13:[12, 21] Operation: 29-8=21 Moving to Node #0,0,0 Current State: 13:[8, 17], Operations: ['36/3=12', '29-12=17'] Exploring Operation: 17-8=9, Resulting Numbers: [9] 9,13 unequal: No Solution Exploring Operation: 8+17=25, Resulting Numbers: [25] 25,13 unequal: No Solution Moving to Node #0,0,1 Current State: 13:[12, 21], Operations: ['36/3=12', '29-8=21'] Exploring Operation: 21-12=9, Resulting Numbers: [9] 9,13 unequal: No Solution Exploring Operation: 12+21=33, Resulting Numbers: [33] 33,13 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 5, 7, 46, 48 ]
58
[ "7*48=336", "336-46=290", "290/5=58" ]
Current State: 58:[5, 7, 46, 48], Operations: [] Exploring Operation: 7*48=336, Resulting Numbers: [5, 46, 336] Generated Node #2: [5, 46, 336] from Operation: 7*48=336 Current State: 58:[5, 46, 336], Operations: ['7*48=336'] Exploring Operation: 336-46=290, Resulting Numbers: [5, 290] Generated Node #3: [5, 290] from Operation: 336-46=290 Current State: 58:[5, 290], Operations: ['7*48=336', '336-46=290'] Exploring Operation: 290/5=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[5, 7, 46, 48], Operations: [] Exploring Operation: 7-5=2, Resulting Numbers: [46, 48, 2] Generated Node #0,0: 58:[46, 48, 2] Operation: 7-5=2 Exploring Operation: 48-46=2, Resulting Numbers: [5, 7, 2] Generated Node #0,1: 58:[5, 7, 2] Operation: 48-46=2 Exploring Operation: 7+46=53, Resulting Numbers: [5, 48, 53] Generated Node #0,2: 58:[5, 48, 53] Operation: 7+46=53 Exploring Operation: 7+48=55, Resulting Numbers: [5, 46, 55] Generated Node #0,3: 58:[5, 46, 55] Operation: 7+48=55 Moving to Node #0,1 Current State: 58:[5, 7, 2], Operations: ['48-46=2'] Exploring Operation: 5-2=3, Resulting Numbers: [7, 3] Generated Node #0,1,0: 58:[7, 3] Operation: 5-2=3 Exploring Operation: 7-2=5, Resulting Numbers: [5, 5] Generated Node #0,1,1: 58:[5, 5] Operation: 7-2=5 Exploring Operation: 5*7=35, Resulting Numbers: [2, 35] Generated Node #0,1,2: 58:[2, 35] Operation: 5*7=35 Exploring Operation: 7-5=2, Resulting Numbers: [2, 2] Generated Node #0,1,3: 58:[2, 2] Operation: 7-5=2 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 58:[2, 2], Operations: ['48-46=2', '7-5=2'] Exploring Operation: 2/2=1, Resulting Numbers: [1] 1,58 unequal: No Solution Exploring Operation: 2+2=4, Resulting Numbers: [4] 4,58 unequal: No Solution Exploring Operation: 2*2=4, Resulting Numbers: [4] 4,58 unequal: No Solution Exploring Operation: 2-2=0, Resulting Numbers: [0] 0,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 58:[7, 3], Operations: ['48-46=2', '5-2=3'] Exploring Operation: 7*3=21, Resulting Numbers: [21] 21,58 unequal: No Solution Exploring Operation: 7-3=4, Resulting Numbers: [4] 4,58 unequal: No Solution Exploring Operation: 7+3=10, Resulting Numbers: [10] 10,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 58:[5, 5], Operations: ['48-46=2', '7-2=5'] Exploring Operation: 5+5=10, Resulting Numbers: [10] 10,58 unequal: No Solution Exploring Operation: 5*5=25, Resulting Numbers: [25] 25,58 unequal: No Solution Exploring Operation: 5/5=1, Resulting Numbers: [1] 1,58 unequal: No Solution Exploring Operation: 5-5=0, Resulting Numbers: [0] 0,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 58:[2, 35], Operations: ['48-46=2', '5*7=35'] Exploring Operation: 2+35=37, Resulting Numbers: [37] 37,58 unequal: No Solution Exploring Operation: 2*35=70, Resulting Numbers: [70] 70,58 unequal: No Solution Exploring Operation: 35-2=33, Resulting Numbers: [33] 33,58 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: 58:[5, 46, 55], Operations: ['7+48=55'] Exploring Operation: 46-5=41, Resulting Numbers: [55, 41] Generated Node #0,3,0: 58:[55, 41] Operation: 46-5=41 Exploring Operation: 55-46=9, Resulting Numbers: [5, 9] Generated Node #0,3,1: 58:[5, 9] Operation: 55-46=9 Exploring Operation: 5+55=60, Resulting Numbers: [46, 60] Generated Node #0,3,2: 58:[46, 60] Operation: 5+55=60 Exploring Operation: 5+46=51, Resulting Numbers: [55, 51] Generated Node #0,3,3: 58:[55, 51] Operation: 5+46=51 Moving to Node #0,2 Current State: 58:[5, 48, 53], Operations: ['7+46=53'] Exploring Operation: 53-48=5, Resulting Numbers: [5, 5] Generated Node #0,2,0: 58:[5, 5] Operation: 53-48=5 Exploring Operation: 5+48=53, Resulting Numbers: [53, 53] Generated Node #0,2,1: 58:[53, 53] Operation: 5+48=53 Exploring Operation: 5+53=58, Resulting Numbers: [48, 58] Generated Node #0,2,2: 58:[48, 58] Operation: 5+53=58 Exploring Operation: 48-5=43, Resulting Numbers: [53, 43] Generated Node #0,2,3: 58:[53, 43] Operation: 48-5=43 Moving to Node #0,0 Current State: 58:[46, 48, 2], Operations: ['7-5=2'] Exploring Operation: 46/2=23, Resulting Numbers: [48, 23] Generated Node #0,0,0: 58:[48, 23] Operation: 46/2=23 Exploring Operation: 48-46=2, Resulting Numbers: [2, 2] Generated Node #0,0,1: 58:[2, 2] Operation: 48-46=2 Exploring Operation: 46+2=48, Resulting Numbers: [48, 48] Generated Node #0,0,2: 58:[48, 48] Operation: 46+2=48 Exploring Operation: 48/2=24, Resulting Numbers: [46, 24] Generated Node #0,0,3: 58:[46, 24] Operation: 48/2=24 Moving to Node #0,0,1 Current State: 58:[2, 2], Operations: ['7-5=2', '48-46=2'] Exploring Operation: 2+2=4, Resulting Numbers: [4] 4,58 unequal: No Solution Exploring Operation: 2/2=1, Resulting Numbers: [1] 1,58 unequal: No Solution Exploring Operation: 2-2=0, Resulting Numbers: [0] 0,58 unequal: No Solution Exploring Operation: 2*2=4, Resulting Numbers: [4] 4,58 unequal: No Solution Moving to Node #0,2,0 Current State: 58:[5, 5], Operations: ['7+46=53', '53-48=5'] Exploring Operation: 5-5=0, Resulting Numbers: [0] 0,58 unequal: No Solution Exploring Operation: 5/5=1, Resulting Numbers: [1] 1,58 unequal: No Solution Exploring Operation: 5*5=25, Resulting Numbers: [25] 25,58 unequal: No Solution Exploring Operation: 5+5=10, Resulting Numbers: [10] 10,58 unequal: No Solution Moving to Node #0,2,1 Current State: 58:[53, 53], Operations: ['7+46=53', '5+48=53'] Exploring Operation: 53+53=106, Resulting Numbers: [106] 106,58 unequal: No Solution Exploring Operation: 53-53=0, Resulting Numbers: [0] 0,58 unequal: No Solution Exploring Operation: 53*53=2809, Resulting Numbers: [2809] 2809,58 unequal: No Solution Exploring Operation: 53/53=1, Resulting Numbers: [1] 1,58 unequal: No Solution Moving to Node #0,2,2 Current State: 58:[48, 58], Operations: ['7+46=53', '5+53=58'] Exploring Operation: 48*58=2784, Resulting Numbers: [2784] 2784,58 unequal: No Solution Exploring Operation: 48+58=106, Resulting Numbers: [106] 106,58 unequal: No Solution Exploring Operation: 58-48=10, Resulting Numbers: [10] 10,58 unequal: No Solution Moving to Node #0,3,3 Current State: 58:[55, 51], Operations: ['7+48=55', '5+46=51'] Exploring Operation: 55*51=2805, Resulting Numbers: [2805] 2805,58 unequal: No Solution Exploring Operation: 55+51=106, Resulting Numbers: [106] 106,58 unequal: No Solution Exploring Operation: 55-51=4, Resulting Numbers: [4] 4,58 unequal: No Solution Moving to Node #0,3,1 Current State: 58:[5, 9], Operations: ['7+48=55', '55-46=9'] Exploring Operation: 9-5=4, Resulting Numbers: [4] 4,58 unequal: No Solution Exploring Operation: 5*9=45, Resulting Numbers: [45] 45,58 unequal: No Solution Exploring Operation: 5+9=14, Resulting Numbers: [14] 14,58 unequal: No Solution Moving to Node #0,3,2 Current State: 58:[46, 60], Operations: ['7+48=55', '5+55=60'] Exploring Operation: 46+60=106, Resulting Numbers: [106] 106,58 unequal: No Solution Exploring Operation: 46*60=2760, Resulting Numbers: [2760] 2760,58 unequal: No Solution Exploring Operation: 60-46=14, Resulting Numbers: [14] 14,58 unequal: No Solution Moving to Node #0,3,0 Current State: 58:[55, 41], Operations: ['7+48=55', '46-5=41'] Exploring Operation: 55+41=96, Resulting Numbers: [96] 96,58 unequal: No Solution Exploring Operation: 55*41=2255, Resulting Numbers: [2255] 2255,58 unequal: No Solution Exploring Operation: 55-41=14, Resulting Numbers: [14] 14,58 unequal: No Solution Moving to Node #0,0,0 Current State: 58:[48, 23], Operations: ['7-5=2', '46/2=23'] Exploring Operation: 48+23=71, Resulting Numbers: [71] 71,58 unequal: No Solution Exploring Operation: 48*23=1104, Resulting Numbers: [1104] 1104,58 unequal: No Solution Exploring Operation: 48-23=25, Resulting Numbers: [25] 25,58 unequal: No Solution Moving to Node #0,0,3 Current State: 58:[46, 24], Operations: ['7-5=2', '48/2=24'] Exploring Operation: 46*24=1104, Resulting Numbers: [1104] 1104,58 unequal: No Solution Exploring Operation: 46+24=70, Resulting Numbers: [70] 70,58 unequal: No Solution Exploring Operation: 46-24=22, Resulting Numbers: [22] 22,58 unequal: No Solution Moving to Node #0,2,3 Current State: 58:[53, 43], Operations: ['7+46=53', '48-5=43'] Exploring Operation: 53*43=2279, Resulting Numbers: [2279] 2279,58 unequal: No Solution Exploring Operation: 53-43=10, Resulting Numbers: [10] 10,58 unequal: No Solution Exploring Operation: 53+43=96, Resulting Numbers: [96] 96,58 unequal: No Solution Moving to Node #0,0,2 Current State: 58:[48, 48], Operations: ['7-5=2', '46+2=48'] Exploring Operation: 48*48=2304, Resulting Numbers: [2304] 2304,58 unequal: No Solution Exploring Operation: 48-48=0, Resulting Numbers: [0] 0,58 unequal: No Solution Exploring Operation: 48/48=1, Resulting Numbers: [1] 1,58 unequal: No Solution Exploring Operation: 48+48=96, Resulting Numbers: [96] 96,58 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 31, 76, 83, 85 ]
69
[ "85-83=2", "76/2=38", "31+38=69" ]
Current State: 69:[31, 76, 83, 85], Operations: [] Exploring Operation: 85-83=2, Resulting Numbers: [31, 76, 2] Generated Node #2: [31, 76, 2] from Operation: 85-83=2 Current State: 69:[31, 76, 2], Operations: ['85-83=2'] Exploring Operation: 76/2=38, Resulting Numbers: [31, 38] Generated Node #3: [31, 38] from Operation: 76/2=38 Current State: 69:[31, 38], Operations: ['85-83=2', '76/2=38'] Exploring Operation: 31+38=69, Resulting Numbers: [69] 69,69 equal: Goal Reached
4
Current State: 69:[31, 76, 83, 85], Operations: [] Exploring Operation: 85-76=9, Resulting Numbers: [31, 83, 9] Generated Node #0,0: 69:[31, 83, 9] Operation: 85-76=9 Exploring Operation: 83-76=7, Resulting Numbers: [31, 85, 7] Generated Node #0,1: 69:[31, 85, 7] Operation: 83-76=7 Exploring Operation: 85-83=2, Resulting Numbers: [31, 76, 2] Generated Node #0,2: 69:[31, 76, 2] Operation: 85-83=2 Exploring Operation: 85-31=54, Resulting Numbers: [76, 83, 54] Generated Node #0,3: 69:[76, 83, 54] Operation: 85-31=54 Moving to Node #0,2 Current State: 69:[31, 76, 2], Operations: ['85-83=2'] Exploring Operation: 76-2=74, Resulting Numbers: [31, 74] Generated Node #0,2,0: 69:[31, 74] Operation: 76-2=74 Exploring Operation: 31*2=62, Resulting Numbers: [76, 62] Generated Node #0,2,1: 69:[76, 62] Operation: 31*2=62 Exploring Operation: 31-2=29, Resulting Numbers: [76, 29] Generated Node #0,2,2: 69:[76, 29] Operation: 31-2=29 Exploring Operation: 31+2=33, Resulting Numbers: [76, 33] Generated Node #0,2,3: 69:[76, 33] Operation: 31+2=33 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 69:[31, 74], Operations: ['85-83=2', '76-2=74'] Exploring Operation: 74-31=43, Resulting Numbers: [43] 43,69 unequal: No Solution Exploring Operation: 31*74=2294, Resulting Numbers: [2294] 2294,69 unequal: No Solution Exploring Operation: 31+74=105, Resulting Numbers: [105] 105,69 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 69:[76, 29], Operations: ['85-83=2', '31-2=29'] Exploring Operation: 76*29=2204, Resulting Numbers: [2204] 2204,69 unequal: No Solution Exploring Operation: 76+29=105, Resulting Numbers: [105] 105,69 unequal: No Solution Exploring Operation: 76-29=47, Resulting Numbers: [47] 47,69 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 69:[76, 62], Operations: ['85-83=2', '31*2=62'] Exploring Operation: 76-62=14, Resulting Numbers: [14] 14,69 unequal: No Solution Exploring Operation: 76+62=138, Resulting Numbers: [138] 138,69 unequal: No Solution Exploring Operation: 76*62=4712, Resulting Numbers: [4712] 4712,69 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 69:[76, 33], Operations: ['85-83=2', '31+2=33'] Exploring Operation: 76-33=43, Resulting Numbers: [43] 43,69 unequal: No Solution Exploring Operation: 76+33=109, Resulting Numbers: [109] 109,69 unequal: No Solution Exploring Operation: 76*33=2508, Resulting Numbers: [2508] 2508,69 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: 69:[31, 85, 7], Operations: ['83-76=7'] Exploring Operation: 85-7=78, Resulting Numbers: [31, 78] Generated Node #0,1,0: 69:[31, 78] Operation: 85-7=78 Exploring Operation: 85-31=54, Resulting Numbers: [7, 54] Generated Node #0,1,1: 69:[7, 54] Operation: 85-31=54 Exploring Operation: 31+7=38, Resulting Numbers: [85, 38] Generated Node #0,1,2: 69:[85, 38] Operation: 31+7=38 Exploring Operation: 31-7=24, Resulting Numbers: [85, 24] Generated Node #0,1,3: 69:[85, 24] Operation: 31-7=24 Moving to Node #0,0 Current State: 69:[31, 83, 9], Operations: ['85-76=9'] Exploring Operation: 83-31=52, Resulting Numbers: [9, 52] Generated Node #0,0,0: 69:[9, 52] Operation: 83-31=52 Exploring Operation: 31-9=22, Resulting Numbers: [83, 22] Generated Node #0,0,1: 69:[83, 22] Operation: 31-9=22 Exploring Operation: 83-9=74, Resulting Numbers: [31, 74] Generated Node #0,0,2: 69:[31, 74] Operation: 83-9=74 Exploring Operation: 31+9=40, Resulting Numbers: [83, 40] Generated Node #0,0,3: 69:[83, 40] Operation: 31+9=40 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 69:[31, 74], Operations: ['85-76=9', '83-9=74'] Exploring Operation: 74-31=43, Resulting Numbers: [43] 43,69 unequal: No Solution Exploring Operation: 31+74=105, Resulting Numbers: [105] 105,69 unequal: No Solution Exploring Operation: 31*74=2294, Resulting Numbers: [2294] 2294,69 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 69:[83, 22], Operations: ['85-76=9', '31-9=22'] Exploring Operation: 83*22=1826, Resulting Numbers: [1826] 1826,69 unequal: No Solution Exploring Operation: 83-22=61, Resulting Numbers: [61] 61,69 unequal: No Solution Exploring Operation: 83+22=105, Resulting Numbers: [105] 105,69 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 69:[9, 52], Operations: ['85-76=9', '83-31=52'] Exploring Operation: 52-9=43, Resulting Numbers: [43] 43,69 unequal: No Solution Exploring Operation: 9+52=61, Resulting Numbers: [61] 61,69 unequal: No Solution Exploring Operation: 9*52=468, Resulting Numbers: [468] 468,69 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 69:[83, 40], Operations: ['85-76=9', '31+9=40'] Exploring Operation: 83*40=3320, Resulting Numbers: [3320] 3320,69 unequal: No Solution Exploring Operation: 83-40=43, Resulting Numbers: [43] 43,69 unequal: No Solution Exploring Operation: 83+40=123, Resulting Numbers: [123] 123,69 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: 69:[76, 83, 54], Operations: ['85-31=54'] Exploring Operation: 76+54=130, Resulting Numbers: [83, 130] Generated Node #0,3,0: 69:[83, 130] Operation: 76+54=130 Exploring Operation: 83-54=29, Resulting Numbers: [76, 29] Generated Node #0,3,1: 69:[76, 29] Operation: 83-54=29 Exploring Operation: 76-54=22, Resulting Numbers: [83, 22] Generated Node #0,3,2: 69:[83, 22] Operation: 76-54=22 Exploring Operation: 83-76=7, Resulting Numbers: [54, 7] Generated Node #0,3,3: 69:[54, 7] Operation: 83-76=7 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 69:[76, 29], Operations: ['85-31=54', '83-54=29'] Exploring Operation: 76*29=2204, Resulting Numbers: [2204] 2204,69 unequal: No Solution Exploring Operation: 76-29=47, Resulting Numbers: [47] 47,69 unequal: No Solution Exploring Operation: 76+29=105, Resulting Numbers: [105] 105,69 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 69:[83, 22], Operations: ['85-31=54', '76-54=22'] Exploring Operation: 83-22=61, Resulting Numbers: [61] 61,69 unequal: No Solution Exploring Operation: 83+22=105, Resulting Numbers: [105] 105,69 unequal: No Solution Exploring Operation: 83*22=1826, Resulting Numbers: [1826] 1826,69 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 69:[54, 7], Operations: ['85-31=54', '83-76=7'] Exploring Operation: 54-7=47, Resulting Numbers: [47] 47,69 unequal: No Solution Exploring Operation: 54*7=378, Resulting Numbers: [378] 378,69 unequal: No Solution Exploring Operation: 54+7=61, Resulting Numbers: [61] 61,69 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 69:[83, 130], Operations: ['85-31=54', '76+54=130'] Exploring Operation: 130-83=47, Resulting Numbers: [47] 47,69 unequal: No Solution Exploring Operation: 83+130=213, Resulting Numbers: [213] 213,69 unequal: No Solution Exploring Operation: 83*130=10790, Resulting Numbers: [10790] 10790,69 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: 69:[31, 78], Operations: ['83-76=7', '85-7=78'] Exploring Operation: 78-31=47, Resulting Numbers: [47] 47,69 unequal: No Solution Exploring Operation: 31*78=2418, Resulting Numbers: [2418] 2418,69 unequal: No Solution Exploring Operation: 31+78=109, Resulting Numbers: [109] 109,69 unequal: No Solution Moving to Node #0,1,3 Current State: 69:[85, 24], Operations: ['83-76=7', '31-7=24'] Exploring Operation: 85+24=109, Resulting Numbers: [109] 109,69 unequal: No Solution Exploring Operation: 85*24=2040, Resulting Numbers: [2040] 2040,69 unequal: No Solution Exploring Operation: 85-24=61, Resulting Numbers: [61] 61,69 unequal: No Solution Moving to Node #0,1,1 Current State: 69:[7, 54], Operations: ['83-76=7', '85-31=54'] Exploring Operation: 54-7=47, Resulting Numbers: [47] 47,69 unequal: No Solution Exploring Operation: 7+54=61, Resulting Numbers: [61] 61,69 unequal: No Solution Exploring Operation: 7*54=378, Resulting Numbers: [378] 378,69 unequal: No Solution Moving to Node #0,1,2 Current State: 69:[85, 38], Operations: ['83-76=7', '31+7=38'] Exploring Operation: 85*38=3230, Resulting Numbers: [3230] 3230,69 unequal: No Solution Exploring Operation: 85+38=123, Resulting Numbers: [123] 123,69 unequal: No Solution Exploring Operation: 85-38=47, Resulting Numbers: [47] 47,69 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 11, 45, 19, 69 ]
16
[ "45-11=34", "69-19=50", "50-34=16" ]
Current State: 16:[11, 45, 19, 69], Operations: [] Exploring Operation: 45-11=34, Resulting Numbers: [19, 69, 34] Generated Node #2: [19, 69, 34] from Operation: 45-11=34 Current State: 16:[19, 69, 34], Operations: ['45-11=34'] Exploring Operation: 69-19=50, Resulting Numbers: [34, 50] Generated Node #3: [34, 50] from Operation: 69-19=50 Current State: 16:[34, 50], Operations: ['45-11=34', '69-19=50'] Exploring Operation: 50-34=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[11, 45, 19, 69], Operations: [] Exploring Operation: 69-45=24, Resulting Numbers: [11, 19, 24] Generated Node #0,0: 16:[11, 19, 24] Operation: 69-45=24 Exploring Operation: 45-19=26, Resulting Numbers: [11, 69, 26] Generated Node #0,1: 16:[11, 69, 26] Operation: 45-19=26 Exploring Operation: 69-19=50, Resulting Numbers: [11, 45, 50] Generated Node #0,2: 16:[11, 45, 50] Operation: 69-19=50 Exploring Operation: 45-11=34, Resulting Numbers: [19, 69, 34] Generated Node #0,3: 16:[19, 69, 34] Operation: 45-11=34 Moving to Node #0,0 Current State: 16:[11, 19, 24], Operations: ['69-45=24'] Exploring Operation: 19-11=8, Resulting Numbers: [24, 8] Generated Node #0,0,0: 16:[24, 8] Operation: 19-11=8 Exploring Operation: 24-19=5, Resulting Numbers: [11, 5] Generated Node #0,0,1: 16:[11, 5] Operation: 24-19=5 Exploring Operation: 11+19=30, Resulting Numbers: [24, 30] Generated Node #0,0,2: 16:[24, 30] Operation: 11+19=30 Exploring Operation: 24-11=13, Resulting Numbers: [19, 13] Generated Node #0,0,3: 16:[19, 13] Operation: 24-11=13 Moving to Node #0,2 Current State: 16:[11, 45, 50], Operations: ['69-19=50'] Exploring Operation: 50-45=5, Resulting Numbers: [11, 5] Generated Node #0,2,0: 16:[11, 5] Operation: 50-45=5 Exploring Operation: 50-11=39, Resulting Numbers: [45, 39] Generated Node #0,2,1: 16:[45, 39] Operation: 50-11=39 Exploring Operation: 11+45=56, Resulting Numbers: [50, 56] Generated Node #0,2,2: 16:[50, 56] Operation: 11+45=56 Exploring Operation: 45-11=34, Resulting Numbers: [50, 34] Generated Node #0,2,3: 16:[50, 34] Operation: 45-11=34 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 16:[11, 5], Operations: ['69-19=50', '50-45=5'] Exploring Operation: 11+5=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Moving to Node #0 Current State: 16:[11, 45, 19, 69], Operations: [] Exploring Operation: 69-19=50, Resulting Numbers: [11, 45, 50] Generated Node #0,2: 16:[11, 45, 50] Operation: 69-19=50 Moving to Node #0,2 Current State: 16:[11, 45, 50], Operations: ['69-19=50'] Exploring Operation: 50-45=5, Resulting Numbers: [11, 5] Generated Node #0,2,0: 16:[11, 5] Operation: 50-45=5 Moving to Node #0,2,0 Current State: 16:[11, 5], Operations: ['69-19=50', '50-45=5'] Exploring Operation: 11+5=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_4
mult_heuristic
[ 3, 25, 90, 32 ]
71
[ "25+32=57", "57/3=19", "90-19=71" ]
Current State: 71:[3, 25, 90, 32], Operations: [] Exploring Operation: 25+32=57, Resulting Numbers: [3, 90, 57] Generated Node #2: [3, 90, 57] from Operation: 25+32=57 Current State: 71:[3, 90, 57], Operations: ['25+32=57'] Exploring Operation: 57/3=19, Resulting Numbers: [90, 19] Generated Node #3: [90, 19] from Operation: 57/3=19 Current State: 71:[90, 19], Operations: ['25+32=57', '57/3=19'] Exploring Operation: 90-19=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
4
Current State: 71:[3, 25, 90, 32], Operations: [] Exploring Operation: 3*32=96, Resulting Numbers: [25, 90, 96] Generated Node #0,0: 71:[25, 90, 96] Operation: 3*32=96 Exploring Operation: 3*25=75, Resulting Numbers: [90, 32, 75] Generated Node #0,1: 71:[90, 32, 75] Operation: 3*25=75 Moving to Node #0,1 Current State: 71:[90, 32, 75], Operations: ['3*25=75'] Exploring Operation: 90-32=58, Resulting Numbers: [75, 58] Generated Node #0,1,0: 71:[75, 58] Operation: 90-32=58 Exploring Operation: 75-32=43, Resulting Numbers: [90, 43] Generated Node #0,1,1: 71:[90, 43] Operation: 75-32=43 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 71:[75, 58], Operations: ['3*25=75', '90-32=58'] Exploring Operation: 75+58=133, Resulting Numbers: [133] 133,71 unequal: No Solution Exploring Operation: 75-58=17, Resulting Numbers: [17] 17,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 71:[90, 43], Operations: ['3*25=75', '75-32=43'] Exploring Operation: 90-43=47, Resulting Numbers: [47] 47,71 unequal: No Solution Exploring Operation: 90+43=133, Resulting Numbers: [133] 133,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 71:[25, 90, 96], Operations: ['3*32=96'] Exploring Operation: 96-25=71, Resulting Numbers: [90, 71] Generated Node #0,0,0: 71:[90, 71] Operation: 96-25=71 Exploring Operation: 90-25=65, Resulting Numbers: [96, 65] Generated Node #0,0,1: 71:[96, 65] Operation: 90-25=65 Moving to Node #0,0,0 Current State: 71:[90, 71], Operations: ['3*32=96', '96-25=71'] Exploring Operation: 90+71=161, Resulting Numbers: [161] 161,71 unequal: No Solution Exploring Operation: 90-71=19, Resulting Numbers: [19] 19,71 unequal: No Solution Moving to Node #0,0,1 Current State: 71:[96, 65], Operations: ['3*32=96', '90-25=65'] Exploring Operation: 96-65=31, Resulting Numbers: [31] 31,71 unequal: No Solution Exploring Operation: 96+65=161, Resulting Numbers: [161] 161,71 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 92, 22, 82, 93 ]
94
[ "93-82=11", "22/11=2", "92+2=94" ]
Current State: 94:[92, 22, 82, 93], Operations: [] Exploring Operation: 93-82=11, Resulting Numbers: [92, 22, 11] Generated Node #2: [92, 22, 11] from Operation: 93-82=11 Current State: 94:[92, 22, 11], Operations: ['93-82=11'] Exploring Operation: 22/11=2, Resulting Numbers: [92, 2] Generated Node #3: [92, 2] from Operation: 22/11=2 Current State: 94:[92, 2], Operations: ['93-82=11', '22/11=2'] Exploring Operation: 92+2=94, Resulting Numbers: [94] 94,94 equal: Goal Reached
4
Current State: 94:[92, 22, 82, 93], Operations: [] Exploring Operation: 82-22=60, Resulting Numbers: [92, 93, 60] Generated Node #0,0: 94:[92, 93, 60] Operation: 82-22=60 Exploring Operation: 22+82=104, Resulting Numbers: [92, 93, 104] Generated Node #0,1: 94:[92, 93, 104] Operation: 22+82=104 Moving to Node #0,1 Current State: 94:[92, 93, 104], Operations: ['22+82=104'] Exploring Operation: 93-92=1, Resulting Numbers: [104, 1] Generated Node #0,1,0: 94:[104, 1] Operation: 93-92=1 Exploring Operation: 104-92=12, Resulting Numbers: [93, 12] Generated Node #0,1,1: 94:[93, 12] Operation: 104-92=12 Moving to Node #0,0 Current State: 94:[92, 93, 60], Operations: ['82-22=60'] Exploring Operation: 93-92=1, Resulting Numbers: [60, 1] Generated Node #0,0,0: 94:[60, 1] Operation: 93-92=1 Exploring Operation: 92-60=32, Resulting Numbers: [93, 32] Generated Node #0,0,1: 94:[93, 32] Operation: 92-60=32 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 94:[60, 1], Operations: ['82-22=60', '93-92=1'] Exploring Operation: 60-1=59, Resulting Numbers: [59] 59,94 unequal: No Solution Exploring Operation: 60*1=60, Resulting Numbers: [60] 60,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 94:[93, 32], Operations: ['82-22=60', '92-60=32'] Exploring Operation: 93-32=61, Resulting Numbers: [61] 61,94 unequal: No Solution Exploring Operation: 93+32=125, Resulting Numbers: [125] 125,94 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: 94:[104, 1], Operations: ['22+82=104', '93-92=1'] Exploring Operation: 104-1=103, Resulting Numbers: [103] 103,94 unequal: No Solution Exploring Operation: 104*1=104, Resulting Numbers: [104] 104,94 unequal: No Solution Moving to Node #0,1,1 Current State: 94:[93, 12], Operations: ['22+82=104', '104-92=12'] Exploring Operation: 93-12=81, Resulting Numbers: [81] 81,94 unequal: No Solution Exploring Operation: 93+12=105, Resulting Numbers: [105] 105,94 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 96, 6, 4, 39 ]
59
[ "96+6=102", "4+39=43", "102-43=59" ]
Current State: 59:[96, 6, 4, 39], Operations: [] Exploring Operation: 96+6=102, Resulting Numbers: [4, 39, 102] Generated Node #2: [4, 39, 102] from Operation: 96+6=102 Current State: 59:[4, 39, 102], Operations: ['96+6=102'] Exploring Operation: 4+39=43, Resulting Numbers: [102, 43] Generated Node #3: [102, 43] from Operation: 4+39=43 Current State: 59:[102, 43], Operations: ['96+6=102', '4+39=43'] Exploring Operation: 102-43=59, Resulting Numbers: [59] 59,59 equal: Goal Reached
4
Current State: 59:[96, 6, 4, 39], Operations: [] Exploring Operation: 96-6=90, Resulting Numbers: [4, 39, 90] Generated Node #0,0: 59:[4, 39, 90] Operation: 96-6=90 Exploring Operation: 6*4=24, Resulting Numbers: [96, 39, 24] Generated Node #0,1: 59:[96, 39, 24] Operation: 6*4=24 Moving to Node #0,1 Current State: 59:[96, 39, 24], Operations: ['6*4=24'] Exploring Operation: 96-24=72, Resulting Numbers: [39, 72] Generated Node #0,1,0: 59:[39, 72] Operation: 96-24=72 Exploring Operation: 96-39=57, Resulting Numbers: [24, 57] Generated Node #0,1,1: 59:[24, 57] Operation: 96-39=57 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 59:[39, 72], Operations: ['6*4=24', '96-24=72'] Exploring Operation: 72-39=33, Resulting Numbers: [33] 33,59 unequal: No Solution Exploring Operation: 39+72=111, Resulting Numbers: [111] 111,59 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 59:[24, 57], Operations: ['6*4=24', '96-39=57'] Exploring Operation: 57-24=33, Resulting Numbers: [33] 33,59 unequal: No Solution Exploring Operation: 24+57=81, Resulting Numbers: [81] 81,59 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 59:[4, 39, 90], Operations: ['96-6=90'] Exploring Operation: 4+39=43, Resulting Numbers: [90, 43] Generated Node #0,0,0: 59:[90, 43] Operation: 4+39=43 Exploring Operation: 90-4=86, Resulting Numbers: [39, 86] Generated Node #0,0,1: 59:[39, 86] Operation: 90-4=86 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 59:[90, 43], Operations: ['96-6=90', '4+39=43'] Exploring Operation: 90+43=133, Resulting Numbers: [133] 133,59 unequal: No Solution Exploring Operation: 90-43=47, Resulting Numbers: [47] 47,59 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 59:[39, 86], Operations: ['96-6=90', '90-4=86'] Exploring Operation: 86-39=47, Resulting Numbers: [47] 47,59 unequal: No Solution Exploring Operation: 39+86=125, Resulting Numbers: [125] 125,59 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 24, 21, 93, 99 ]
29
[ "93+99=192", "192/24=8", "21+8=29" ]
Current State: 29:[24, 21, 93, 99], Operations: [] Exploring Operation: 93+99=192, Resulting Numbers: [24, 21, 192] Generated Node #2: [24, 21, 192] from Operation: 93+99=192 Current State: 29:[24, 21, 192], Operations: ['93+99=192'] Exploring Operation: 192/24=8, Resulting Numbers: [21, 8] Generated Node #3: [21, 8] from Operation: 192/24=8 Current State: 29:[21, 8], Operations: ['93+99=192', '192/24=8'] Exploring Operation: 21+8=29, Resulting Numbers: [29] 29,29 equal: Goal Reached
4
Current State: 29:[24, 21, 93, 99], Operations: [] Exploring Operation: 99-24=75, Resulting Numbers: [21, 93, 75] Generated Node #0,0: 29:[21, 93, 75] Operation: 99-24=75 Exploring Operation: 99-93=6, Resulting Numbers: [24, 21, 6] Generated Node #0,1: 29:[24, 21, 6] Operation: 99-93=6 Exploring Operation: 93-24=69, Resulting Numbers: [21, 99, 69] Generated Node #0,2: 29:[21, 99, 69] Operation: 93-24=69 Start Sub Search at level 1: Moving to Node #0,1 Current State: 29:[24, 21, 6], Operations: ['99-93=6'] Exploring Operation: 21+6=27, Resulting Numbers: [24, 27] Generated Node #0,1,0: 29:[24, 27] Operation: 21+6=27 Exploring Operation: 24+6=30, Resulting Numbers: [21, 30] Generated Node #0,1,1: 29:[21, 30] Operation: 24+6=30 Exploring Operation: 24-6=18, Resulting Numbers: [21, 18] Generated Node #0,1,2: 29:[21, 18] Operation: 24-6=18 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 29:[24, 27], Operations: ['99-93=6', '21+6=27'] Exploring Operation: 24*27=648, Resulting Numbers: [648] 648,29 unequal: No Solution Exploring Operation: 24+27=51, Resulting Numbers: [51] 51,29 unequal: No Solution Exploring Operation: 27-24=3, Resulting Numbers: [3] 3,29 unequal: No Solution No 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: 29:[21, 30], Operations: ['99-93=6', '24+6=30'] Exploring Operation: 21+30=51, Resulting Numbers: [51] 51,29 unequal: No Solution Exploring Operation: 30-21=9, Resulting Numbers: [9] 9,29 unequal: No Solution Exploring Operation: 21*30=630, Resulting Numbers: [630] 630,29 unequal: No Solution No 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: 29:[21, 18], Operations: ['99-93=6', '24-6=18'] Exploring Operation: 21-18=3, Resulting Numbers: [3] 3,29 unequal: No Solution Exploring Operation: 21*18=378, Resulting Numbers: [378] 378,29 unequal: No Solution Exploring Operation: 21+18=39, Resulting Numbers: [39] 39,29 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 29:[21, 93, 75], Operations: ['99-24=75'] Exploring Operation: 75-21=54, Resulting Numbers: [93, 54] Generated Node #0,0,0: 29:[93, 54] Operation: 75-21=54 Exploring Operation: 93-75=18, Resulting Numbers: [21, 18] Generated Node #0,0,1: 29:[21, 18] Operation: 93-75=18 Exploring Operation: 93-21=72, Resulting Numbers: [75, 72] Generated Node #0,0,2: 29:[75, 72] Operation: 93-21=72 Moving to Node #0,0,1 Current State: 29:[21, 18], Operations: ['99-24=75', '93-75=18'] Exploring Operation: 21-18=3, Resulting Numbers: [3] 3,29 unequal: No Solution Exploring Operation: 21+18=39, Resulting Numbers: [39] 39,29 unequal: No Solution Exploring Operation: 21*18=378, Resulting Numbers: [378] 378,29 unequal: No Solution Moving to Node #0,0,0 Current State: 29:[93, 54], Operations: ['99-24=75', '75-21=54'] Exploring Operation: 93-54=39, Resulting Numbers: [39] 39,29 unequal: No Solution Exploring Operation: 93+54=147, Resulting Numbers: [147] 147,29 unequal: No Solution Exploring Operation: 93*54=5022, Resulting Numbers: [5022] 5022,29 unequal: No Solution Moving to Node #0,0,2 Current State: 29:[75, 72], Operations: ['99-24=75', '93-21=72'] Exploring Operation: 75+72=147, Resulting Numbers: [147] 147,29 unequal: No Solution Exploring Operation: 75-72=3, Resulting Numbers: [3] 3,29 unequal: No Solution Exploring Operation: 75*72=5400, Resulting Numbers: [5400] 5400,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 29:[21, 99, 69], Operations: ['93-24=69'] Exploring Operation: 99-21=78, Resulting Numbers: [69, 78] Generated Node #0,2,0: 29:[69, 78] Operation: 99-21=78 Exploring Operation: 99-69=30, Resulting Numbers: [21, 30] Generated Node #0,2,1: 29:[21, 30] Operation: 99-69=30 Exploring Operation: 69-21=48, Resulting Numbers: [99, 48] Generated Node #0,2,2: 29:[99, 48] Operation: 69-21=48 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 29:[21, 30], Operations: ['93-24=69', '99-69=30'] Exploring Operation: 21*30=630, Resulting Numbers: [630] 630,29 unequal: No Solution Exploring Operation: 30-21=9, Resulting Numbers: [9] 9,29 unequal: No Solution Exploring Operation: 21+30=51, Resulting Numbers: [51] 51,29 unequal: No Solution No 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: 29:[69, 78], Operations: ['93-24=69', '99-21=78'] Exploring Operation: 78-69=9, Resulting Numbers: [9] 9,29 unequal: No Solution Exploring Operation: 69+78=147, Resulting Numbers: [147] 147,29 unequal: No Solution Exploring Operation: 69*78=5382, Resulting Numbers: [5382] 5382,29 unequal: No Solution No 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: 29:[99, 48], Operations: ['93-24=69', '69-21=48'] Exploring Operation: 99*48=4752, Resulting Numbers: [4752] 4752,29 unequal: No Solution Exploring Operation: 99+48=147, Resulting Numbers: [147] 147,29 unequal: No Solution Exploring Operation: 99-48=51, Resulting Numbers: [51] 51,29 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 48, 23, 72, 73 ]
73
[ "48+23=71", "72-71=1", "73*1=73" ]
Current State: 73:[48, 23, 72, 73], Operations: [] Exploring Operation: 48+23=71, Resulting Numbers: [72, 73, 71] Generated Node #2: [72, 73, 71] from Operation: 48+23=71 Current State: 73:[72, 73, 71], Operations: ['48+23=71'] Exploring Operation: 72-71=1, Resulting Numbers: [73, 1] Generated Node #3: [73, 1] from Operation: 72-71=1 Current State: 73:[73, 1], Operations: ['48+23=71', '72-71=1'] Exploring Operation: 73*1=73, Resulting Numbers: [73] 73,73 equal: Goal Reached
4
Current State: 73:[48, 23, 72, 73], Operations: [] Exploring Operation: 23+72=95, Resulting Numbers: [48, 73, 95] Generated Node #0,0: 73:[48, 73, 95] Operation: 23+72=95 Exploring Operation: 48-23=25, Resulting Numbers: [72, 73, 25] Generated Node #0,1: 73:[72, 73, 25] Operation: 48-23=25 Exploring Operation: 48+23=71, Resulting Numbers: [72, 73, 71] Generated Node #0,2: 73:[72, 73, 71] Operation: 48+23=71 Exploring Operation: 72-23=49, Resulting Numbers: [48, 73, 49] Generated Node #0,3: 73:[48, 73, 49] Operation: 72-23=49 Moving to Node #0,2 Current State: 73:[72, 73, 71], Operations: ['48+23=71'] Exploring Operation: 72+71=143, Resulting Numbers: [73, 143] Generated Node #0,2,0: 73:[73, 143] Operation: 72+71=143 Exploring Operation: 73-71=2, Resulting Numbers: [72, 2] Generated Node #0,2,1: 73:[72, 2] Operation: 73-71=2 Exploring Operation: 72-71=1, Resulting Numbers: [73, 1] Generated Node #0,2,2: 73:[73, 1] Operation: 72-71=1 Exploring Operation: 73+71=144, Resulting Numbers: [72, 144] Generated Node #0,2,3: 73:[72, 144] Operation: 73+71=144 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 73:[73, 143], Operations: ['48+23=71', '72+71=143'] Exploring Operation: 73+143=216, Resulting Numbers: [216] 216,73 unequal: No Solution Exploring Operation: 143-73=70, Resulting Numbers: [70] 70,73 unequal: No Solution Exploring Operation: 73*143=10439, Resulting Numbers: [10439] 10439,73 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 #0,2,1 Current State: 73:[72, 2], Operations: ['48+23=71', '73-71=2'] Exploring Operation: 72+2=74, Resulting Numbers: [74] 74,73 unequal: No Solution Exploring Operation: 72*2=144, Resulting Numbers: [144] 144,73 unequal: No Solution Exploring Operation: 72-2=70, Resulting Numbers: [70] 70,73 unequal: No Solution Exploring Operation: 72/2=36, Resulting Numbers: [36] 36,73 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 #0,2,2 Current State: 73:[73, 1], Operations: ['48+23=71', '72-71=1'] Exploring Operation: 73-1=72, Resulting Numbers: [72] 72,73 unequal: No Solution Exploring Operation: 73/1=73, Resulting Numbers: [73] 73,73 equal: Goal Reached Moving to Node #0 Current State: 73:[48, 23, 72, 73], Operations: [] Exploring Operation: 48+23=71, Resulting Numbers: [72, 73, 71] Generated Node #0,2: 73:[72, 73, 71] Operation: 48+23=71 Moving to Node #0,2 Current State: 73:[72, 73, 71], Operations: ['48+23=71'] Exploring Operation: 72-71=1, Resulting Numbers: [73, 1] Generated Node #0,2,2: 73:[73, 1] Operation: 72-71=1 Moving to Node #0,2,2 Current State: 73:[73, 1], Operations: ['48+23=71', '72-71=1'] Exploring Operation: 73/1=73, Resulting Numbers: [73] 73,73 equal: Goal Reached Exit Sub Search at level 1
0.981771
hs_4
mult_heuristic
[ 88, 23, 22, 46 ]
66
[ "88*23=2024", "2024/46=44", "22+44=66" ]
Current State: 66:[88, 23, 22, 46], Operations: [] Exploring Operation: 88*23=2024, Resulting Numbers: [22, 46, 2024] Generated Node #2: [22, 46, 2024] from Operation: 88*23=2024 Current State: 66:[22, 46, 2024], Operations: ['88*23=2024'] Exploring Operation: 2024/46=44, Resulting Numbers: [22, 44] Generated Node #3: [22, 44] from Operation: 2024/46=44 Current State: 66:[22, 44], Operations: ['88*23=2024', '2024/46=44'] Exploring Operation: 22+44=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
4
Current State: 66:[88, 23, 22, 46], Operations: [] Exploring Operation: 88-46=42, Resulting Numbers: [23, 22, 42] Generated Node #0,0: 66:[23, 22, 42] Operation: 88-46=42 Exploring Operation: 88-23=65, Resulting Numbers: [22, 46, 65] Generated Node #0,1: 66:[22, 46, 65] Operation: 88-23=65 Start Sub Search at level 1: Moving to Node #0,0 Current State: 66:[23, 22, 42], Operations: ['88-46=42'] Exploring Operation: 23+42=65, Resulting Numbers: [22, 65] Generated Node #0,0,0: 66:[22, 65] Operation: 23+42=65 Exploring Operation: 42-23=19, Resulting Numbers: [22, 19] Generated Node #0,0,1: 66:[22, 19] Operation: 42-23=19 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 66:[22, 65], Operations: ['88-46=42', '23+42=65'] Exploring Operation: 22+65=87, Resulting Numbers: [87] 87,66 unequal: No Solution Exploring Operation: 65-22=43, Resulting Numbers: [43] 43,66 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 66:[22, 19], Operations: ['88-46=42', '42-23=19'] Exploring Operation: 22+19=41, Resulting Numbers: [41] 41,66 unequal: No Solution Exploring Operation: 22-19=3, Resulting Numbers: [3] 3,66 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 66:[22, 46, 65], Operations: ['88-23=65'] Exploring Operation: 46-22=24, Resulting Numbers: [65, 24] Generated Node #0,1,0: 66:[65, 24] Operation: 46-22=24 Exploring Operation: 22+46=68, Resulting Numbers: [65, 68] Generated Node #0,1,1: 66:[65, 68] Operation: 22+46=68 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 66:[65, 24], Operations: ['88-23=65', '46-22=24'] Exploring Operation: 65-24=41, Resulting Numbers: [41] 41,66 unequal: No Solution Exploring Operation: 65+24=89, Resulting Numbers: [89] 89,66 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 66:[65, 68], Operations: ['88-23=65', '22+46=68'] Exploring Operation: 65+68=133, Resulting Numbers: [133] 133,66 unequal: No Solution Exploring Operation: 68-65=3, Resulting Numbers: [3] 3,66 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 80, 77, 28, 4 ]
100
[ "80-77=3", "28-3=25", "4*25=100" ]
Current State: 100:[80, 77, 28, 4], Operations: [] Exploring Operation: 80-77=3, Resulting Numbers: [28, 4, 3] Generated Node #2: [28, 4, 3] from Operation: 80-77=3 Current State: 100:[28, 4, 3], Operations: ['80-77=3'] Exploring Operation: 28-3=25, Resulting Numbers: [4, 25] Generated Node #3: [4, 25] from Operation: 28-3=25 Current State: 100:[4, 25], Operations: ['80-77=3', '28-3=25'] Exploring Operation: 4*25=100, Resulting Numbers: [100] 100,100 equal: Goal Reached
4
Current State: 100:[80, 77, 28, 4], Operations: [] Exploring Operation: 77-28=49, Resulting Numbers: [80, 4, 49] Generated Node #0,0: 100:[80, 4, 49] Operation: 77-28=49 Exploring Operation: 80-77=3, Resulting Numbers: [28, 4, 3] Generated Node #0,1: 100:[28, 4, 3] Operation: 80-77=3 Exploring Operation: 80-28=52, Resulting Numbers: [77, 4, 52] Generated Node #0,2: 100:[77, 4, 52] Operation: 80-28=52 Start Sub Search at level 1: Moving to Node #0,1 Current State: 100:[28, 4, 3], Operations: ['80-77=3'] Exploring Operation: 28/4=7, Resulting Numbers: [3, 7] Generated Node #0,1,0: 100:[3, 7] Operation: 28/4=7 Exploring Operation: 28-3=25, Resulting Numbers: [4, 25] Generated Node #0,1,1: 100:[4, 25] Operation: 28-3=25 Exploring Operation: 28-4=24, Resulting Numbers: [3, 24] Generated Node #0,1,2: 100:[3, 24] Operation: 28-4=24 Moving to Node #0,1,1 Current State: 100:[4, 25], Operations: ['80-77=3', '28-3=25'] Exploring Operation: 4*25=100, Resulting Numbers: [100] 100,100 equal: Goal Reached Moving to Node #0 Current State: 100:[80, 77, 28, 4], Operations: [] Exploring Operation: 80-77=3, Resulting Numbers: [28, 4, 3] Generated Node #0,1: 100:[28, 4, 3] Operation: 80-77=3 Moving to Node #0,1 Current State: 100:[28, 4, 3], Operations: ['80-77=3'] Exploring Operation: 28-3=25, Resulting Numbers: [4, 25] Generated Node #0,1,1: 100:[4, 25] Operation: 28-3=25 Moving to Node #0,1,1 Current State: 100:[4, 25], Operations: ['80-77=3', '28-3=25'] Exploring Operation: 4*25=100, Resulting Numbers: [100] 100,100 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_3
sum_heuristic
[ 14, 80, 52, 18 ]
20
[ "80-52=28", "28/14=2", "18+2=20" ]
Current State: 20:[14, 80, 52, 18], Operations: [] Exploring Operation: 80-52=28, Resulting Numbers: [14, 18, 28] Generated Node #2: [14, 18, 28] from Operation: 80-52=28 Current State: 20:[14, 18, 28], Operations: ['80-52=28'] Exploring Operation: 28/14=2, Resulting Numbers: [18, 2] Generated Node #3: [18, 2] from Operation: 28/14=2 Current State: 20:[18, 2], Operations: ['80-52=28', '28/14=2'] Exploring Operation: 18+2=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[14, 80, 52, 18], Operations: [] Exploring Operation: 80-52=28, Resulting Numbers: [14, 18, 28] Generated Node #0,0: 20:[14, 18, 28] Operation: 80-52=28 Start Sub Search at level 1: Moving to Node #0,0 Current State: 20:[14, 18, 28], Operations: ['80-52=28'] Exploring Operation: 28/14=2, Resulting Numbers: [18, 2] Generated Node #0,0,0: 20:[18, 2] Operation: 28/14=2 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 20:[18, 2], Operations: ['80-52=28', '28/14=2'] Exploring Operation: 18+2=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Moving to Node #0 Current State: 20:[14, 80, 52, 18], Operations: [] Exploring Operation: 80-52=28, Resulting Numbers: [14, 18, 28] Generated Node #0,0: 20:[14, 18, 28] Operation: 80-52=28 Moving to Node #0,0 Current State: 20:[14, 18, 28], Operations: ['80-52=28'] Exploring Operation: 28/14=2, Resulting Numbers: [18, 2] Generated Node #0,0,0: 20:[18, 2] Operation: 28/14=2 Moving to Node #0,0,0 Current State: 20:[18, 2], Operations: ['80-52=28', '28/14=2'] Exploring Operation: 18+2=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 46, 40, 13, 48 ]
93
[ "48-46=2", "40*2=80", "13+80=93" ]
Current State: 93:[46, 40, 13, 48], Operations: [] Exploring Operation: 48-46=2, Resulting Numbers: [40, 13, 2] Generated Node #2: [40, 13, 2] from Operation: 48-46=2 Current State: 93:[40, 13, 2], Operations: ['48-46=2'] Exploring Operation: 40*2=80, Resulting Numbers: [13, 80] Generated Node #3: [13, 80] from Operation: 40*2=80 Current State: 93:[13, 80], Operations: ['48-46=2', '40*2=80'] Exploring Operation: 13+80=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
4
Current State: 93:[46, 40, 13, 48], Operations: [] Exploring Operation: 46-40=6, Resulting Numbers: [13, 48, 6] Generated Node #0,0: 93:[13, 48, 6] Operation: 46-40=6 Exploring Operation: 48-46=2, Resulting Numbers: [40, 13, 2] Generated Node #0,1: 93:[40, 13, 2] Operation: 48-46=2 Exploring Operation: 46-13=33, Resulting Numbers: [40, 48, 33] Generated Node #0,2: 93:[40, 48, 33] Operation: 46-13=33 Exploring Operation: 46+48=94, Resulting Numbers: [40, 13, 94] Generated Node #0,3: 93:[40, 13, 94] Operation: 46+48=94 Exploring Operation: 48-13=35, Resulting Numbers: [46, 40, 35] Generated Node #0,4: 93:[46, 40, 35] Operation: 48-13=35 Moving to Node #0,1 Current State: 93:[40, 13, 2], Operations: ['48-46=2'] Exploring Operation: 40-2=38, Resulting Numbers: [13, 38] Generated Node #0,1,0: 93:[13, 38] Operation: 40-2=38 Exploring Operation: 40-13=27, Resulting Numbers: [2, 27] Generated Node #0,1,1: 93:[2, 27] Operation: 40-13=27 Exploring Operation: 13*2=26, Resulting Numbers: [40, 26] Generated Node #0,1,2: 93:[40, 26] Operation: 13*2=26 Exploring Operation: 40+2=42, Resulting Numbers: [13, 42] Generated Node #0,1,3: 93:[13, 42] Operation: 40+2=42 Exploring Operation: 13-2=11, Resulting Numbers: [40, 11] Generated Node #0,1,4: 93:[40, 11] Operation: 13-2=11 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 93:[2, 27], Operations: ['48-46=2', '40-13=27'] Exploring Operation: 27-2=25, Resulting Numbers: [25] 25,93 unequal: No Solution Exploring Operation: 2*27=54, Resulting Numbers: [54] 54,93 unequal: No Solution Exploring Operation: 2+27=29, Resulting Numbers: [29] 29,93 unequal: No Solution No 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: 93:[40, 26], Operations: ['48-46=2', '13*2=26'] Exploring Operation: 40-26=14, Resulting Numbers: [14] 14,93 unequal: No Solution Exploring Operation: 40+26=66, Resulting Numbers: [66] 66,93 unequal: No Solution Exploring Operation: 40*26=1040, Resulting Numbers: [1040] 1040,93 unequal: No Solution No 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: 93:[13, 38], Operations: ['48-46=2', '40-2=38'] Exploring Operation: 13+38=51, Resulting Numbers: [51] 51,93 unequal: No Solution Exploring Operation: 13*38=494, Resulting Numbers: [494] 494,93 unequal: No Solution Exploring Operation: 38-13=25, Resulting Numbers: [25] 25,93 unequal: No Solution No 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: 93:[40, 11], Operations: ['48-46=2', '13-2=11'] Exploring Operation: 40*11=440, Resulting Numbers: [440] 440,93 unequal: No Solution Exploring Operation: 40+11=51, Resulting Numbers: [51] 51,93 unequal: No Solution Exploring Operation: 40-11=29, Resulting Numbers: [29] 29,93 unequal: No Solution No 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: 93:[13, 42], Operations: ['48-46=2', '40+2=42'] Exploring Operation: 42-13=29, Resulting Numbers: [29] 29,93 unequal: No Solution Exploring Operation: 13+42=55, Resulting Numbers: [55] 55,93 unequal: No Solution Exploring Operation: 13*42=546, Resulting Numbers: [546] 546,93 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: 93:[40, 13, 94], Operations: ['46+48=94'] Exploring Operation: 40+13=53, Resulting Numbers: [94, 53] Generated Node #0,3,0: 93:[94, 53] Operation: 40+13=53 Exploring Operation: 94-40=54, Resulting Numbers: [13, 54] Generated Node #0,3,1: 93:[13, 54] Operation: 94-40=54 Exploring Operation: 13+94=107, Resulting Numbers: [40, 107] Generated Node #0,3,2: 93:[40, 107] Operation: 13+94=107 Exploring Operation: 40-13=27, Resulting Numbers: [94, 27] Generated Node #0,3,3: 93:[94, 27] Operation: 40-13=27 Exploring Operation: 94-13=81, Resulting Numbers: [40, 81] Generated Node #0,3,4: 93:[40, 81] Operation: 94-13=81 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 93:[94, 27], Operations: ['46+48=94', '40-13=27'] Exploring Operation: 94-27=67, Resulting Numbers: [67] 67,93 unequal: No Solution Exploring Operation: 94+27=121, Resulting Numbers: [121] 121,93 unequal: No Solution Exploring Operation: 94*27=2538, Resulting Numbers: [2538] 2538,93 unequal: No Solution No 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: 93:[40, 81], Operations: ['46+48=94', '94-13=81'] Exploring Operation: 40+81=121, Resulting Numbers: [121] 121,93 unequal: No Solution Exploring Operation: 40*81=3240, Resulting Numbers: [3240] 3240,93 unequal: No Solution Exploring Operation: 81-40=41, Resulting Numbers: [41] 41,93 unequal: No Solution No 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: 93:[94, 53], Operations: ['46+48=94', '40+13=53'] Exploring Operation: 94-53=41, Resulting Numbers: [41] 41,93 unequal: No Solution Exploring Operation: 94+53=147, Resulting Numbers: [147] 147,93 unequal: No Solution Exploring Operation: 94*53=4982, Resulting Numbers: [4982] 4982,93 unequal: No Solution No 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: 93:[40, 107], Operations: ['46+48=94', '13+94=107'] Exploring Operation: 40*107=4280, Resulting Numbers: [4280] 4280,93 unequal: No Solution Exploring Operation: 107-40=67, Resulting Numbers: [67] 67,93 unequal: No Solution Exploring Operation: 40+107=147, Resulting Numbers: [147] 147,93 unequal: No Solution No 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: 93:[13, 54], Operations: ['46+48=94', '94-40=54'] Exploring Operation: 13+54=67, Resulting Numbers: [67] 67,93 unequal: No Solution Exploring Operation: 13*54=702, Resulting Numbers: [702] 702,93 unequal: No Solution Exploring Operation: 54-13=41, Resulting Numbers: [41] 41,93 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: 93:[40, 48, 33], Operations: ['46-13=33'] Exploring Operation: 40+48=88, Resulting Numbers: [33, 88] Generated Node #0,2,0: 93:[33, 88] Operation: 40+48=88 Exploring Operation: 40-33=7, Resulting Numbers: [48, 7] Generated Node #0,2,1: 93:[48, 7] Operation: 40-33=7 Exploring Operation: 48-33=15, Resulting Numbers: [40, 15] Generated Node #0,2,2: 93:[40, 15] Operation: 48-33=15 Exploring Operation: 48-40=8, Resulting Numbers: [33, 8] Generated Node #0,2,3: 93:[33, 8] Operation: 48-40=8 Exploring Operation: 48+33=81, Resulting Numbers: [40, 81] Generated Node #0,2,4: 93:[40, 81] Operation: 48+33=81 Moving to Node #0,4 Current State: 93:[46, 40, 35], Operations: ['48-13=35'] Exploring Operation: 46+35=81, Resulting Numbers: [40, 81] Generated Node #0,4,0: 93:[40, 81] Operation: 46+35=81 Exploring Operation: 40-35=5, Resulting Numbers: [46, 5] Generated Node #0,4,1: 93:[46, 5] Operation: 40-35=5 Exploring Operation: 46+40=86, Resulting Numbers: [35, 86] Generated Node #0,4,2: 93:[35, 86] Operation: 46+40=86 Exploring Operation: 46-40=6, Resulting Numbers: [35, 6] Generated Node #0,4,3: 93:[35, 6] Operation: 46-40=6 Exploring Operation: 46-35=11, Resulting Numbers: [40, 11] Generated Node #0,4,4: 93:[40, 11] Operation: 46-35=11 Moving to Node #0,0 Current State: 93:[13, 48, 6], Operations: ['46-40=6'] Exploring Operation: 48/6=8, Resulting Numbers: [13, 8] Generated Node #0,0,0: 93:[13, 8] Operation: 48/6=8 Exploring Operation: 13+6=19, Resulting Numbers: [48, 19] Generated Node #0,0,1: 93:[48, 19] Operation: 13+6=19 Exploring Operation: 48-6=42, Resulting Numbers: [13, 42] Generated Node #0,0,2: 93:[13, 42] Operation: 48-6=42 Exploring Operation: 48-13=35, Resulting Numbers: [6, 35] Generated Node #0,0,3: 93:[6, 35] Operation: 48-13=35 Exploring Operation: 13-6=7, Resulting Numbers: [48, 7] Generated Node #0,0,4: 93:[48, 7] Operation: 13-6=7 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 93:[6, 35], Operations: ['46-40=6', '48-13=35'] Exploring Operation: 6+35=41, Resulting Numbers: [41] 41,93 unequal: No Solution Exploring Operation: 35-6=29, Resulting Numbers: [29] 29,93 unequal: No Solution Exploring Operation: 6*35=210, Resulting Numbers: [210] 210,93 unequal: No Solution No 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: 93:[13, 8], Operations: ['46-40=6', '48/6=8'] Exploring Operation: 13+8=21, Resulting Numbers: [21] 21,93 unequal: No Solution Exploring Operation: 13*8=104, Resulting Numbers: [104] 104,93 unequal: No Solution Exploring Operation: 13-8=5, Resulting Numbers: [5] 5,93 unequal: No Solution No 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: 93:[13, 42], Operations: ['46-40=6', '48-6=42'] Exploring Operation: 13*42=546, Resulting Numbers: [546] 546,93 unequal: No Solution Exploring Operation: 42-13=29, Resulting Numbers: [29] 29,93 unequal: No Solution Exploring Operation: 13+42=55, Resulting Numbers: [55] 55,93 unequal: No Solution No 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: 93:[48, 7], Operations: ['46-40=6', '13-6=7'] Exploring Operation: 48-7=41, Resulting Numbers: [41] 41,93 unequal: No Solution Exploring Operation: 48*7=336, Resulting Numbers: [336] 336,93 unequal: No Solution Exploring Operation: 48+7=55, Resulting Numbers: [55] 55,93 unequal: No Solution No 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: 93:[48, 19], Operations: ['46-40=6', '13+6=19'] Exploring Operation: 48*19=912, Resulting Numbers: [912] 912,93 unequal: No Solution Exploring Operation: 48-19=29, Resulting Numbers: [29] 29,93 unequal: No Solution Exploring Operation: 48+19=67, Resulting Numbers: [67] 67,93 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: 93:[33, 88], Operations: ['46-13=33', '40+48=88'] Exploring Operation: 33+88=121, Resulting Numbers: [121] 121,93 unequal: No Solution Exploring Operation: 88-33=55, Resulting Numbers: [55] 55,93 unequal: No Solution Exploring Operation: 33*88=2904, Resulting Numbers: [2904] 2904,93 unequal: No Solution Moving to Node #0,4,3 Current State: 93:[35, 6], Operations: ['48-13=35', '46-40=6'] Exploring Operation: 35+6=41, Resulting Numbers: [41] 41,93 unequal: No Solution Exploring Operation: 35*6=210, Resulting Numbers: [210] 210,93 unequal: No Solution Exploring Operation: 35-6=29, Resulting Numbers: [29] 29,93 unequal: No Solution Moving to Node #0,2,3 Current State: 93:[33, 8], Operations: ['46-13=33', '48-40=8'] Exploring Operation: 33*8=264, Resulting Numbers: [264] 264,93 unequal: No Solution Exploring Operation: 33+8=41, Resulting Numbers: [41] 41,93 unequal: No Solution Exploring Operation: 33-8=25, Resulting Numbers: [25] 25,93 unequal: No Solution Moving to Node #0,4,2 Current State: 93:[35, 86], Operations: ['48-13=35', '46+40=86'] Exploring Operation: 86-35=51, Resulting Numbers: [51] 51,93 unequal: No Solution Exploring Operation: 35*86=3010, Resulting Numbers: [3010] 3010,93 unequal: No Solution Exploring Operation: 35+86=121, Resulting Numbers: [121] 121,93 unequal: No Solution Moving to Node #0,4,1 Current State: 93:[46, 5], Operations: ['48-13=35', '40-35=5'] Exploring Operation: 46-5=41, Resulting Numbers: [41] 41,93 unequal: No Solution Exploring Operation: 46+5=51, Resulting Numbers: [51] 51,93 unequal: No Solution Exploring Operation: 46*5=230, Resulting Numbers: [230] 230,93 unequal: No Solution Moving to Node #0,4,4 Current State: 93:[40, 11], Operations: ['48-13=35', '46-35=11'] Exploring Operation: 40*11=440, Resulting Numbers: [440] 440,93 unequal: No Solution Exploring Operation: 40-11=29, Resulting Numbers: [29] 29,93 unequal: No Solution Exploring Operation: 40+11=51, Resulting Numbers: [51] 51,93 unequal: No Solution Moving to Node #0,4,0 Current State: 93:[40, 81], Operations: ['48-13=35', '46+35=81'] Exploring Operation: 40+81=121, Resulting Numbers: [121] 121,93 unequal: No Solution Exploring Operation: 40*81=3240, Resulting Numbers: [3240] 3240,93 unequal: No Solution Exploring Operation: 81-40=41, Resulting Numbers: [41] 41,93 unequal: No Solution Moving to Node #0,2,1 Current State: 93:[48, 7], Operations: ['46-13=33', '40-33=7'] Exploring Operation: 48*7=336, Resulting Numbers: [336] 336,93 unequal: No Solution Exploring Operation: 48+7=55, Resulting Numbers: [55] 55,93 unequal: No Solution Exploring Operation: 48-7=41, Resulting Numbers: [41] 41,93 unequal: No Solution Moving to Node #0,2,4 Current State: 93:[40, 81], Operations: ['46-13=33', '48+33=81'] Exploring Operation: 40*81=3240, Resulting Numbers: [3240] 3240,93 unequal: No Solution Exploring Operation: 40+81=121, Resulting Numbers: [121] 121,93 unequal: No Solution Exploring Operation: 81-40=41, Resulting Numbers: [41] 41,93 unequal: No Solution Moving to Node #0,2,2 Current State: 93:[40, 15], Operations: ['46-13=33', '48-33=15'] Exploring Operation: 40-15=25, Resulting Numbers: [25] 25,93 unequal: No Solution Exploring Operation: 40*15=600, Resulting Numbers: [600] 600,93 unequal: No Solution Exploring Operation: 40+15=55, Resulting Numbers: [55] 55,93 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 14, 78, 12, 75 ]
78
[ "14+12=26", "78-75=3", "26*3=78" ]
Current State: 78:[14, 78, 12, 75], Operations: [] Exploring Operation: 14+12=26, Resulting Numbers: [78, 75, 26] Generated Node #2: [78, 75, 26] from Operation: 14+12=26 Current State: 78:[78, 75, 26], Operations: ['14+12=26'] Exploring Operation: 78-75=3, Resulting Numbers: [26, 3] Generated Node #3: [26, 3] from Operation: 78-75=3 Current State: 78:[26, 3], Operations: ['14+12=26', '78-75=3'] Exploring Operation: 26*3=78, Resulting Numbers: [78] 78,78 equal: Goal Reached
4
Current State: 78:[14, 78, 12, 75], Operations: [] Exploring Operation: 12+75=87, Resulting Numbers: [14, 78, 87] Generated Node #0,0: 78:[14, 78, 87] Operation: 12+75=87 Exploring Operation: 14-12=2, Resulting Numbers: [78, 75, 2] Generated Node #0,1: 78:[78, 75, 2] Operation: 14-12=2 Exploring Operation: 14+75=89, Resulting Numbers: [78, 12, 89] Generated Node #0,2: 78:[78, 12, 89] Operation: 14+75=89 Exploring Operation: 14+12=26, Resulting Numbers: [78, 75, 26] Generated Node #0,3: 78:[78, 75, 26] Operation: 14+12=26 Exploring Operation: 78-75=3, Resulting Numbers: [14, 12, 3] Generated Node #0,4: 78:[14, 12, 3] Operation: 78-75=3 Start Sub Search at level 1: Moving to Node #0,4 Current State: 78:[14, 12, 3], Operations: ['78-75=3'] Exploring Operation: 14+12=26, Resulting Numbers: [3, 26] Generated Node #0,4,0: 78:[3, 26] Operation: 14+12=26 Exploring Operation: 12+3=15, Resulting Numbers: [14, 15] Generated Node #0,4,1: 78:[14, 15] Operation: 12+3=15 Exploring Operation: 14-3=11, Resulting Numbers: [12, 11] Generated Node #0,4,2: 78:[12, 11] Operation: 14-3=11 Exploring Operation: 12/3=4, Resulting Numbers: [14, 4] Generated Node #0,4,3: 78:[14, 4] Operation: 12/3=4 Exploring Operation: 14-12=2, Resulting Numbers: [3, 2] Generated Node #0,4,4: 78:[3, 2] Operation: 14-12=2 Moving to Node #0,4,0 Current State: 78:[3, 26], Operations: ['78-75=3', '14+12=26'] Exploring Operation: 3*26=78, Resulting Numbers: [78] 78,78 equal: Goal Reached Moving to Node #0 Current State: 78:[14, 78, 12, 75], Operations: [] Exploring Operation: 78-75=3, Resulting Numbers: [14, 12, 3] Generated Node #0,4: 78:[14, 12, 3] Operation: 78-75=3 Moving to Node #0,4 Current State: 78:[14, 12, 3], Operations: ['78-75=3'] Exploring Operation: 14+12=26, Resulting Numbers: [3, 26] Generated Node #0,4,0: 78:[3, 26] Operation: 14+12=26 Moving to Node #0,4,0 Current State: 78:[3, 26], Operations: ['78-75=3', '14+12=26'] Exploring Operation: 3*26=78, Resulting Numbers: [78] 78,78 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_5
mult_heuristic
[ 34, 90, 49, 23 ]
52
[ "34+90=124", "49+23=72", "124-72=52" ]
Current State: 52:[34, 90, 49, 23], Operations: [] Exploring Operation: 34+90=124, Resulting Numbers: [49, 23, 124] Generated Node #2: [49, 23, 124] from Operation: 34+90=124 Current State: 52:[49, 23, 124], Operations: ['34+90=124'] Exploring Operation: 49+23=72, Resulting Numbers: [124, 72] Generated Node #3: [124, 72] from Operation: 49+23=72 Current State: 52:[124, 72], Operations: ['34+90=124', '49+23=72'] Exploring Operation: 124-72=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[34, 90, 49, 23], Operations: [] Exploring Operation: 90-49=41, Resulting Numbers: [34, 23, 41] Generated Node #0,0: 52:[34, 23, 41] Operation: 90-49=41 Exploring Operation: 90-23=67, Resulting Numbers: [34, 49, 67] Generated Node #0,1: 52:[34, 49, 67] Operation: 90-23=67 Exploring Operation: 90-34=56, Resulting Numbers: [49, 23, 56] Generated Node #0,2: 52:[49, 23, 56] Operation: 90-34=56 Moving to Node #0,2 Current State: 52:[49, 23, 56], Operations: ['90-34=56'] Exploring Operation: 56-23=33, Resulting Numbers: [49, 33] Generated Node #0,2,0: 52:[49, 33] Operation: 56-23=33 Exploring Operation: 49-23=26, Resulting Numbers: [56, 26] Generated Node #0,2,1: 52:[56, 26] Operation: 49-23=26 Exploring Operation: 56-49=7, Resulting Numbers: [23, 7] Generated Node #0,2,2: 52:[23, 7] Operation: 56-49=7 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 52:[56, 26], Operations: ['90-34=56', '49-23=26'] Exploring Operation: 56+26=82, Resulting Numbers: [82] 82,52 unequal: No Solution Exploring Operation: 56-26=30, Resulting Numbers: [30] 30,52 unequal: No Solution Exploring Operation: 56*26=1456, Resulting Numbers: [1456] 1456,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 52:[23, 7], Operations: ['90-34=56', '56-49=7'] Exploring Operation: 23+7=30, Resulting Numbers: [30] 30,52 unequal: No Solution Exploring Operation: 23-7=16, Resulting Numbers: [16] 16,52 unequal: No Solution Exploring Operation: 23*7=161, Resulting Numbers: [161] 161,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 52:[49, 33], Operations: ['90-34=56', '56-23=33'] Exploring Operation: 49-33=16, Resulting Numbers: [16] 16,52 unequal: No Solution Exploring Operation: 49+33=82, Resulting Numbers: [82] 82,52 unequal: No Solution Exploring Operation: 49*33=1617, Resulting Numbers: [1617] 1617,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 52:[34, 23, 41], Operations: ['90-49=41'] Exploring Operation: 41-34=7, Resulting Numbers: [23, 7] Generated Node #0,0,0: 52:[23, 7] Operation: 41-34=7 Exploring Operation: 34-23=11, Resulting Numbers: [41, 11] Generated Node #0,0,1: 52:[41, 11] Operation: 34-23=11 Exploring Operation: 41-23=18, Resulting Numbers: [34, 18] Generated Node #0,0,2: 52:[34, 18] Operation: 41-23=18 Moving to Node #0,1 Current State: 52:[34, 49, 67], Operations: ['90-23=67'] Exploring Operation: 67-34=33, Resulting Numbers: [49, 33] Generated Node #0,1,0: 52:[49, 33] Operation: 67-34=33 Exploring Operation: 67-49=18, Resulting Numbers: [34, 18] Generated Node #0,1,1: 52:[34, 18] Operation: 67-49=18 Exploring Operation: 49-34=15, Resulting Numbers: [67, 15] Generated Node #0,1,2: 52:[67, 15] Operation: 49-34=15 Moving to Node #0,0,0 Current State: 52:[23, 7], Operations: ['90-49=41', '41-34=7'] Exploring Operation: 23+7=30, Resulting Numbers: [30] 30,52 unequal: No Solution Exploring Operation: 23*7=161, Resulting Numbers: [161] 161,52 unequal: No Solution Exploring Operation: 23-7=16, Resulting Numbers: [16] 16,52 unequal: No Solution Moving to Node #0,1,0 Current State: 52:[49, 33], Operations: ['90-23=67', '67-34=33'] Exploring Operation: 49*33=1617, Resulting Numbers: [1617] 1617,52 unequal: No Solution Exploring Operation: 49-33=16, Resulting Numbers: [16] 16,52 unequal: No Solution Exploring Operation: 49+33=82, Resulting Numbers: [82] 82,52 unequal: No Solution Moving to Node #0,0,2 Current State: 52:[34, 18], Operations: ['90-49=41', '41-23=18'] Exploring Operation: 34-18=16, Resulting Numbers: [16] 16,52 unequal: No Solution Exploring Operation: 34+18=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Moving to Node #0 Current State: 52:[34, 90, 49, 23], Operations: [] Exploring Operation: 90-49=41, Resulting Numbers: [34, 23, 41] Generated Node #0,0: 52:[34, 23, 41] Operation: 90-49=41 Moving to Node #0,0 Current State: 52:[34, 23, 41], Operations: ['90-49=41'] Exploring Operation: 41-23=18, Resulting Numbers: [34, 18] Generated Node #0,0,2: 52:[34, 18] Operation: 41-23=18 Moving to Node #0,0,2 Current State: 52:[34, 18], Operations: ['90-49=41', '41-23=18'] Exploring Operation: 34+18=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
0.971354
hs_3
sum_heuristic
[ 2, 58, 20, 62 ]
98
[ "58-2=56", "62-20=42", "56+42=98" ]
Current State: 98:[2, 58, 20, 62], Operations: [] Exploring Operation: 58-2=56, Resulting Numbers: [20, 62, 56] Generated Node #2: [20, 62, 56] from Operation: 58-2=56 Current State: 98:[20, 62, 56], Operations: ['58-2=56'] Exploring Operation: 62-20=42, Resulting Numbers: [56, 42] Generated Node #3: [56, 42] from Operation: 62-20=42 Current State: 98:[56, 42], Operations: ['58-2=56', '62-20=42'] Exploring Operation: 56+42=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
4
Current State: 98:[2, 58, 20, 62], Operations: [] Exploring Operation: 62-58=4, Resulting Numbers: [2, 20, 4] Generated Node #0,0: 98:[2, 20, 4] Operation: 62-58=4 Exploring Operation: 58-20=38, Resulting Numbers: [2, 62, 38] Generated Node #0,1: 98:[2, 62, 38] Operation: 58-20=38 Exploring Operation: 62-20=42, Resulting Numbers: [2, 58, 42] Generated Node #0,2: 98:[2, 58, 42] Operation: 62-20=42 Exploring Operation: 20/2=10, Resulting Numbers: [58, 62, 10] Generated Node #0,3: 98:[58, 62, 10] Operation: 20/2=10 Exploring Operation: 20+62=82, Resulting Numbers: [2, 58, 82] Generated Node #0,4: 98:[2, 58, 82] Operation: 20+62=82 Moving to Node #0,0 Current State: 98:[2, 20, 4], Operations: ['62-58=4'] Exploring Operation: 20-2=18, Resulting Numbers: [4, 18] Generated Node #0,0,0: 98:[4, 18] Operation: 20-2=18 Exploring Operation: 4-2=2, Resulting Numbers: [20, 2] Generated Node #0,0,1: 98:[20, 2] Operation: 4-2=2 Exploring Operation: 20/4=5, Resulting Numbers: [2, 5] Generated Node #0,0,2: 98:[2, 5] Operation: 20/4=5 Exploring Operation: 20-4=16, Resulting Numbers: [2, 16] Generated Node #0,0,3: 98:[2, 16] Operation: 20-4=16 Exploring Operation: 20/2=10, Resulting Numbers: [4, 10] Generated Node #0,0,4: 98:[4, 10] Operation: 20/2=10 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 98:[2, 5], Operations: ['62-58=4', '20/4=5'] Exploring Operation: 2*5=10, Resulting Numbers: [10] 10,98 unequal: No Solution Exploring Operation: 5-2=3, Resulting Numbers: [3] 3,98 unequal: No Solution Exploring Operation: 2+5=7, Resulting Numbers: [7] 7,98 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 98:[2, 16], Operations: ['62-58=4', '20-4=16'] Exploring Operation: 2*16=32, Resulting Numbers: [32] 32,98 unequal: No Solution Exploring Operation: 16/2=8, Resulting Numbers: [8] 8,98 unequal: No Solution Exploring Operation: 16-2=14, Resulting Numbers: [14] 14,98 unequal: No Solution Exploring Operation: 2+16=18, Resulting Numbers: [18] 18,98 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 98:[4, 10], Operations: ['62-58=4', '20/2=10'] Exploring Operation: 4+10=14, Resulting Numbers: [14] 14,98 unequal: No Solution Exploring Operation: 10-4=6, Resulting Numbers: [6] 6,98 unequal: No Solution Exploring Operation: 4*10=40, Resulting Numbers: [40] 40,98 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 98:[4, 18], Operations: ['62-58=4', '20-2=18'] Exploring Operation: 4*18=72, Resulting Numbers: [72] 72,98 unequal: No Solution Exploring Operation: 4+18=22, Resulting Numbers: [22] 22,98 unequal: No Solution Exploring Operation: 18-4=14, Resulting Numbers: [14] 14,98 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 98:[20, 2], Operations: ['62-58=4', '4-2=2'] Exploring Operation: 20-2=18, Resulting Numbers: [18] 18,98 unequal: No Solution Exploring Operation: 20*2=40, Resulting Numbers: [40] 40,98 unequal: No Solution Exploring Operation: 20+2=22, Resulting Numbers: [22] 22,98 unequal: No Solution Exploring Operation: 20/2=10, Resulting Numbers: [10] 10,98 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 98:[2, 58, 42], Operations: ['62-20=42'] Exploring Operation: 58-2=56, Resulting Numbers: [42, 56] Generated Node #0,2,0: 98:[42, 56] Operation: 58-2=56 Exploring Operation: 42/2=21, Resulting Numbers: [58, 21] Generated Node #0,2,1: 98:[58, 21] Operation: 42/2=21 Exploring Operation: 58+42=100, Resulting Numbers: [2, 100] Generated Node #0,2,2: 98:[2, 100] Operation: 58+42=100 Exploring Operation: 58-42=16, Resulting Numbers: [2, 16] Generated Node #0,2,3: 98:[2, 16] Operation: 58-42=16 Exploring Operation: 2+42=44, Resulting Numbers: [58, 44] Generated Node #0,2,4: 98:[58, 44] Operation: 2+42=44 Moving to Node #0,1 Current State: 98:[2, 62, 38], Operations: ['58-20=38'] Exploring Operation: 62-38=24, Resulting Numbers: [2, 24] Generated Node #0,1,0: 98:[2, 24] Operation: 62-38=24 Exploring Operation: 2+38=40, Resulting Numbers: [62, 40] Generated Node #0,1,1: 98:[62, 40] Operation: 2+38=40 Exploring Operation: 38/2=19, Resulting Numbers: [62, 19] Generated Node #0,1,2: 98:[62, 19] Operation: 38/2=19 Exploring Operation: 62+38=100, Resulting Numbers: [2, 100] Generated Node #0,1,3: 98:[2, 100] Operation: 62+38=100 Exploring Operation: 62-2=60, Resulting Numbers: [38, 60] Generated Node #0,1,4: 98:[38, 60] Operation: 62-2=60 Moving to Node #0,3 Current State: 98:[58, 62, 10], Operations: ['20/2=10'] Exploring Operation: 62-10=52, Resulting Numbers: [58, 52] Generated Node #0,3,0: 98:[58, 52] Operation: 62-10=52 Exploring Operation: 58+10=68, Resulting Numbers: [62, 68] Generated Node #0,3,1: 98:[62, 68] Operation: 58+10=68 Exploring Operation: 58+62=120, Resulting Numbers: [10, 120] Generated Node #0,3,2: 98:[10, 120] Operation: 58+62=120 Exploring Operation: 58-10=48, Resulting Numbers: [62, 48] Generated Node #0,3,3: 98:[62, 48] Operation: 58-10=48 Exploring Operation: 62-58=4, Resulting Numbers: [10, 4] Generated Node #0,3,4: 98:[10, 4] Operation: 62-58=4 Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 98:[10, 4], Operations: ['20/2=10', '62-58=4'] Exploring Operation: 10+4=14, Resulting Numbers: [14] 14,98 unequal: No Solution Exploring Operation: 10*4=40, Resulting Numbers: [40] 40,98 unequal: No Solution Exploring Operation: 10-4=6, Resulting Numbers: [6] 6,98 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 98:[58, 52], Operations: ['20/2=10', '62-10=52'] Exploring Operation: 58-52=6, Resulting Numbers: [6] 6,98 unequal: No Solution Exploring Operation: 58*52=3016, Resulting Numbers: [3016] 3016,98 unequal: No Solution Exploring Operation: 58+52=110, Resulting Numbers: [110] 110,98 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 98:[62, 48], Operations: ['20/2=10', '58-10=48'] Exploring Operation: 62+48=110, Resulting Numbers: [110] 110,98 unequal: No Solution Exploring Operation: 62*48=2976, Resulting Numbers: [2976] 2976,98 unequal: No Solution Exploring Operation: 62-48=14, Resulting Numbers: [14] 14,98 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 98:[10, 120], Operations: ['20/2=10', '58+62=120'] Exploring Operation: 10*120=1200, Resulting Numbers: [1200] 1200,98 unequal: No Solution Exploring Operation: 120/10=12, Resulting Numbers: [12] 12,98 unequal: No Solution Exploring Operation: 120-10=110, Resulting Numbers: [110] 110,98 unequal: No Solution Exploring Operation: 10+120=130, Resulting Numbers: [130] 130,98 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 98:[62, 68], Operations: ['20/2=10', '58+10=68'] Exploring Operation: 68-62=6, Resulting Numbers: [6] 6,98 unequal: No Solution Exploring Operation: 62+68=130, Resulting Numbers: [130] 130,98 unequal: No Solution Exploring Operation: 62*68=4216, Resulting Numbers: [4216] 4216,98 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: 98:[2, 58, 82], Operations: ['20+62=82'] Exploring Operation: 2+58=60, Resulting Numbers: [82, 60] Generated Node #0,4,0: 98:[82, 60] Operation: 2+58=60 Exploring Operation: 58-2=56, Resulting Numbers: [82, 56] Generated Node #0,4,1: 98:[82, 56] Operation: 58-2=56 Exploring Operation: 82-58=24, Resulting Numbers: [2, 24] Generated Node #0,4,2: 98:[2, 24] Operation: 82-58=24 Exploring Operation: 82/2=41, Resulting Numbers: [58, 41] Generated Node #0,4,3: 98:[58, 41] Operation: 82/2=41 Exploring Operation: 2+82=84, Resulting Numbers: [58, 84] Generated Node #0,4,4: 98:[58, 84] Operation: 2+82=84 Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 98:[2, 24], Operations: ['20+62=82', '82-58=24'] Exploring Operation: 24-2=22, Resulting Numbers: [22] 22,98 unequal: No Solution Exploring Operation: 2+24=26, Resulting Numbers: [26] 26,98 unequal: No Solution Exploring Operation: 24/2=12, Resulting Numbers: [12] 12,98 unequal: No Solution Exploring Operation: 2*24=48, Resulting Numbers: [48] 48,98 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 98:[58, 41], Operations: ['20+62=82', '82/2=41'] Exploring Operation: 58-41=17, Resulting Numbers: [17] 17,98 unequal: No Solution Exploring Operation: 58*41=2378, Resulting Numbers: [2378] 2378,98 unequal: No Solution Exploring Operation: 58+41=99, Resulting Numbers: [99] 99,98 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 98:[82, 56], Operations: ['20+62=82', '58-2=56'] Exploring Operation: 82+56=138, Resulting Numbers: [138] 138,98 unequal: No Solution Exploring Operation: 82*56=4592, Resulting Numbers: [4592] 4592,98 unequal: No Solution Exploring Operation: 82-56=26, Resulting Numbers: [26] 26,98 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 98:[58, 84], Operations: ['20+62=82', '2+82=84'] Exploring Operation: 58+84=142, Resulting Numbers: [142] 142,98 unequal: No Solution Exploring Operation: 58*84=4872, Resulting Numbers: [4872] 4872,98 unequal: No Solution Exploring Operation: 84-58=26, Resulting Numbers: [26] 26,98 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 98:[82, 60], Operations: ['20+62=82', '2+58=60'] Exploring Operation: 82*60=4920, Resulting Numbers: [4920] 4920,98 unequal: No Solution Exploring Operation: 82+60=142, Resulting Numbers: [142] 142,98 unequal: No Solution Exploring Operation: 82-60=22, Resulting Numbers: [22] 22,98 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: 98:[2, 100], Operations: ['62-20=42', '58+42=100'] Exploring Operation: 100-2=98, Resulting Numbers: [98] 98,98 equal: Goal Reached Moving to Node #0 Current State: 98:[2, 58, 20, 62], Operations: [] Exploring Operation: 62-20=42, Resulting Numbers: [2, 58, 42] Generated Node #0,2: 98:[2, 58, 42] Operation: 62-20=42 Moving to Node #0,2 Current State: 98:[2, 58, 42], Operations: ['62-20=42'] Exploring Operation: 58+42=100, Resulting Numbers: [2, 100] Generated Node #0,2,2: 98:[2, 100] Operation: 58+42=100 Moving to Node #0,2,2 Current State: 98:[2, 100], Operations: ['62-20=42', '58+42=100'] Exploring Operation: 100-2=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
0.927083
hs_5
sum_heuristic
[ 40, 61, 59, 21 ]
60
[ "61-40=21", "21/21=1", "59+1=60" ]
Current State: 60:[40, 61, 59, 21], Operations: [] Exploring Operation: 61-40=21, Resulting Numbers: [59, 21, 21] Generated Node #2: [59, 21, 21] from Operation: 61-40=21 Current State: 60:[59, 21, 21], Operations: ['61-40=21'] Exploring Operation: 21/21=1, Resulting Numbers: [59, 1] Generated Node #3: [59, 1] from Operation: 21/21=1 Current State: 60:[59, 1], Operations: ['61-40=21', '21/21=1'] Exploring Operation: 59+1=60, Resulting Numbers: [60] 60,60 equal: Goal Reached
4
Current State: 60:[40, 61, 59, 21], Operations: [] Exploring Operation: 59-40=19, Resulting Numbers: [61, 21, 19] Generated Node #0,0: 60:[61, 21, 19] Operation: 59-40=19 Exploring Operation: 61-40=21, Resulting Numbers: [59, 21, 21] Generated Node #0,1: 60:[59, 21, 21] Operation: 61-40=21 Start Sub Search at level 1: Moving to Node #0,0 Current State: 60:[61, 21, 19], Operations: ['59-40=19'] Exploring Operation: 21-19=2, Resulting Numbers: [61, 2] Generated Node #0,0,0: 60:[61, 2] Operation: 21-19=2 Exploring Operation: 61-21=40, Resulting Numbers: [19, 40] Generated Node #0,0,1: 60:[19, 40] Operation: 61-21=40 Moving to Node #0,0,0 Current State: 60:[61, 2], Operations: ['59-40=19', '21-19=2'] Exploring Operation: 61-2=59, Resulting Numbers: [59] 59,60 unequal: No Solution Exploring Operation: 61+2=63, Resulting Numbers: [63] 63,60 unequal: No Solution Moving to Node #0,0,1 Current State: 60:[19, 40], Operations: ['59-40=19', '61-21=40'] Exploring Operation: 19+40=59, Resulting Numbers: [59] 59,60 unequal: No Solution Exploring Operation: 40-19=21, Resulting Numbers: [21] 21,60 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 60:[59, 21, 21], Operations: ['61-40=21'] Exploring Operation: 21/21=1, Resulting Numbers: [59, 1] Generated Node #0,1,0: 60:[59, 1] Operation: 21/21=1 Exploring Operation: 21-21=0, Resulting Numbers: [59, 0] Generated Node #0,1,1: 60:[59, 0] Operation: 21-21=0 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 60:[59, 1], Operations: ['61-40=21', '21/21=1'] Exploring Operation: 59*1=59, Resulting Numbers: [59] 59,60 unequal: No Solution Exploring Operation: 59+1=60, Resulting Numbers: [60] 60,60 equal: Goal Reached Moving to Node #0 Current State: 60:[40, 61, 59, 21], Operations: [] Exploring Operation: 61-40=21, Resulting Numbers: [59, 21, 21] Generated Node #0,1: 60:[59, 21, 21] Operation: 61-40=21 Moving to Node #0,1 Current State: 60:[59, 21, 21], Operations: ['61-40=21'] Exploring Operation: 21/21=1, Resulting Numbers: [59, 1] Generated Node #0,1,0: 60:[59, 1] Operation: 21/21=1 Moving to Node #0,1,0 Current State: 60:[59, 1], Operations: ['61-40=21', '21/21=1'] Exploring Operation: 59+1=60, Resulting Numbers: [60] 60,60 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986111
hs_2
mult_heuristic
[ 36, 42, 32, 63 ]
84
[ "36-32=4", "63-42=21", "4*21=84" ]
Current State: 84:[36, 42, 32, 63], Operations: [] Exploring Operation: 36-32=4, Resulting Numbers: [42, 63, 4] Generated Node #2: [42, 63, 4] from Operation: 36-32=4 Current State: 84:[42, 63, 4], Operations: ['36-32=4'] Exploring Operation: 63-42=21, Resulting Numbers: [4, 21] Generated Node #3: [4, 21] from Operation: 63-42=21 Current State: 84:[4, 21], Operations: ['36-32=4', '63-42=21'] Exploring Operation: 4*21=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
4
Current State: 84:[36, 42, 32, 63], Operations: [] Exploring Operation: 36+63=99, Resulting Numbers: [42, 32, 99] Generated Node #0,0: 84:[42, 32, 99] Operation: 36+63=99 Exploring Operation: 63-32=31, Resulting Numbers: [36, 42, 31] Generated Node #0,1: 84:[36, 42, 31] Operation: 63-32=31 Exploring Operation: 63-42=21, Resulting Numbers: [36, 32, 21] Generated Node #0,2: 84:[36, 32, 21] Operation: 63-42=21 Exploring Operation: 63-36=27, Resulting Numbers: [42, 32, 27] Generated Node #0,3: 84:[42, 32, 27] Operation: 63-36=27 Exploring Operation: 32+63=95, Resulting Numbers: [36, 42, 95] Generated Node #0,4: 84:[36, 42, 95] Operation: 32+63=95 Start Sub Search at level 1: Moving to Node #0,3 Current State: 84:[42, 32, 27], Operations: ['63-36=27'] Exploring Operation: 32-27=5, Resulting Numbers: [42, 5] Generated Node #0,3,0: 84:[42, 5] Operation: 32-27=5 Exploring Operation: 42-27=15, Resulting Numbers: [32, 15] Generated Node #0,3,1: 84:[32, 15] Operation: 42-27=15 Exploring Operation: 42-32=10, Resulting Numbers: [27, 10] Generated Node #0,3,2: 84:[27, 10] Operation: 42-32=10 Exploring Operation: 32+27=59, Resulting Numbers: [42, 59] Generated Node #0,3,3: 84:[42, 59] Operation: 32+27=59 Exploring Operation: 42+32=74, Resulting Numbers: [27, 74] Generated Node #0,3,4: 84:[27, 74] Operation: 42+32=74 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 84:[42, 5], Operations: ['63-36=27', '32-27=5'] Exploring Operation: 42*5=210, Resulting Numbers: [210] 210,84 unequal: No Solution Exploring Operation: 42+5=47, Resulting Numbers: [47] 47,84 unequal: No Solution Exploring Operation: 42-5=37, Resulting Numbers: [37] 37,84 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 84:[27, 10], Operations: ['63-36=27', '42-32=10'] Exploring Operation: 27-10=17, Resulting Numbers: [17] 17,84 unequal: No Solution Exploring Operation: 27*10=270, Resulting Numbers: [270] 270,84 unequal: No Solution Exploring Operation: 27+10=37, Resulting Numbers: [37] 37,84 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 84:[32, 15], Operations: ['63-36=27', '42-27=15'] Exploring Operation: 32*15=480, Resulting Numbers: [480] 480,84 unequal: No Solution Exploring Operation: 32+15=47, Resulting Numbers: [47] 47,84 unequal: No Solution Exploring Operation: 32-15=17, Resulting Numbers: [17] 17,84 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 84:[27, 74], Operations: ['63-36=27', '42+32=74'] Exploring Operation: 27+74=101, Resulting Numbers: [101] 101,84 unequal: No Solution Exploring Operation: 27*74=1998, Resulting Numbers: [1998] 1998,84 unequal: No Solution Exploring Operation: 74-27=47, Resulting Numbers: [47] 47,84 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 84:[42, 59], Operations: ['63-36=27', '32+27=59'] Exploring Operation: 59-42=17, Resulting Numbers: [17] 17,84 unequal: No Solution Exploring Operation: 42*59=2478, Resulting Numbers: [2478] 2478,84 unequal: No Solution Exploring Operation: 42+59=101, Resulting Numbers: [101] 101,84 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 84:[36, 42, 31], Operations: ['63-32=31'] Exploring Operation: 42-31=11, Resulting Numbers: [36, 11] Generated Node #0,1,0: 84:[36, 11] Operation: 42-31=11 Exploring Operation: 36-31=5, Resulting Numbers: [42, 5] Generated Node #0,1,1: 84:[42, 5] Operation: 36-31=5 Exploring Operation: 36+31=67, Resulting Numbers: [42, 67] Generated Node #0,1,2: 84:[42, 67] Operation: 36+31=67 Exploring Operation: 36+42=78, Resulting Numbers: [31, 78] Generated Node #0,1,3: 84:[31, 78] Operation: 36+42=78 Exploring Operation: 42-36=6, Resulting Numbers: [31, 6] Generated Node #0,1,4: 84:[31, 6] Operation: 42-36=6 Moving to Node #0,1,1 Current State: 84:[42, 5], Operations: ['63-32=31', '36-31=5'] Exploring Operation: 42*5=210, Resulting Numbers: [210] 210,84 unequal: No Solution Exploring Operation: 42-5=37, Resulting Numbers: [37] 37,84 unequal: No Solution Exploring Operation: 42+5=47, Resulting Numbers: [47] 47,84 unequal: No Solution Moving to Node #0,1,4 Current State: 84:[31, 6], Operations: ['63-32=31', '42-36=6'] Exploring Operation: 31-6=25, Resulting Numbers: [25] 25,84 unequal: No Solution Exploring Operation: 31+6=37, Resulting Numbers: [37] 37,84 unequal: No Solution Exploring Operation: 31*6=186, Resulting Numbers: [186] 186,84 unequal: No Solution Moving to Node #0,1,0 Current State: 84:[36, 11], Operations: ['63-32=31', '42-31=11'] Exploring Operation: 36*11=396, Resulting Numbers: [396] 396,84 unequal: No Solution Exploring Operation: 36-11=25, Resulting Numbers: [25] 25,84 unequal: No Solution Exploring Operation: 36+11=47, Resulting Numbers: [47] 47,84 unequal: No Solution Moving to Node #0,1,3 Current State: 84:[31, 78], Operations: ['63-32=31', '36+42=78'] Exploring Operation: 31+78=109, Resulting Numbers: [109] 109,84 unequal: No Solution Exploring Operation: 78-31=47, Resulting Numbers: [47] 47,84 unequal: No Solution Exploring Operation: 31*78=2418, Resulting Numbers: [2418] 2418,84 unequal: No Solution Moving to Node #0,1,2 Current State: 84:[42, 67], Operations: ['63-32=31', '36+31=67'] Exploring Operation: 42+67=109, Resulting Numbers: [109] 109,84 unequal: No Solution Exploring Operation: 67-42=25, Resulting Numbers: [25] 25,84 unequal: No Solution Exploring Operation: 42*67=2814, Resulting Numbers: [2814] 2814,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 84:[36, 32, 21], Operations: ['63-42=21'] Exploring Operation: 36-32=4, Resulting Numbers: [21, 4] Generated Node #0,2,0: 84:[21, 4] Operation: 36-32=4 Exploring Operation: 32+21=53, Resulting Numbers: [36, 53] Generated Node #0,2,1: 84:[36, 53] Operation: 32+21=53 Exploring Operation: 36-21=15, Resulting Numbers: [32, 15] Generated Node #0,2,2: 84:[32, 15] Operation: 36-21=15 Exploring Operation: 36+32=68, Resulting Numbers: [21, 68] Generated Node #0,2,3: 84:[21, 68] Operation: 36+32=68 Exploring Operation: 32-21=11, Resulting Numbers: [36, 11] Generated Node #0,2,4: 84:[36, 11] Operation: 32-21=11 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 84:[21, 4], Operations: ['63-42=21', '36-32=4'] Exploring Operation: 21+4=25, Resulting Numbers: [25] 25,84 unequal: No Solution Exploring Operation: 21*4=84, Resulting Numbers: [84] 84,84 equal: Goal Reached Moving to Node #0 Current State: 84:[36, 42, 32, 63], Operations: [] Exploring Operation: 63-42=21, Resulting Numbers: [36, 32, 21] Generated Node #0,2: 84:[36, 32, 21] Operation: 63-42=21 Moving to Node #0,2 Current State: 84:[36, 32, 21], Operations: ['63-42=21'] Exploring Operation: 36-32=4, Resulting Numbers: [21, 4] Generated Node #0,2,0: 84:[21, 4] Operation: 36-32=4 Moving to Node #0,2,0 Current State: 84:[21, 4], Operations: ['63-42=21', '36-32=4'] Exploring Operation: 21*4=84, Resulting Numbers: [84] 84,84 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.951389
hs_5
mult_heuristic
[ 17, 15, 22, 38 ]
28
[ "17+15=32", "22+38=60", "60-32=28" ]
Current State: 28:[17, 15, 22, 38], Operations: [] Exploring Operation: 17+15=32, Resulting Numbers: [22, 38, 32] Generated Node #2: [22, 38, 32] from Operation: 17+15=32 Current State: 28:[22, 38, 32], Operations: ['17+15=32'] Exploring Operation: 22+38=60, Resulting Numbers: [32, 60] Generated Node #3: [32, 60] from Operation: 22+38=60 Current State: 28:[32, 60], Operations: ['17+15=32', '22+38=60'] Exploring Operation: 60-32=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
4
Current State: 28:[17, 15, 22, 38], Operations: [] Exploring Operation: 38-22=16, Resulting Numbers: [17, 15, 16] Generated Node #0,0: 28:[17, 15, 16] Operation: 38-22=16 Start Sub Search at level 1: Moving to Node #0,0 Current State: 28:[17, 15, 16], Operations: ['38-22=16'] Exploring Operation: 17-15=2, Resulting Numbers: [16, 2] Generated Node #0,0,0: 28:[16, 2] Operation: 17-15=2 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 28:[16, 2], Operations: ['38-22=16', '17-15=2'] Exploring Operation: 16-2=14, Resulting Numbers: [14] 14,28 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 60, 39, 33, 54 ]
57
[ "60+39=99", "99/33=3", "54+3=57" ]
Current State: 57:[60, 39, 33, 54], Operations: [] Exploring Operation: 60+39=99, Resulting Numbers: [33, 54, 99] Generated Node #2: [33, 54, 99] from Operation: 60+39=99 Current State: 57:[33, 54, 99], Operations: ['60+39=99'] Exploring Operation: 99/33=3, Resulting Numbers: [54, 3] Generated Node #3: [54, 3] from Operation: 99/33=3 Current State: 57:[54, 3], Operations: ['60+39=99', '99/33=3'] Exploring Operation: 54+3=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
4
Current State: 57:[60, 39, 33, 54], Operations: [] Exploring Operation: 39-33=6, Resulting Numbers: [60, 54, 6] Generated Node #0,0: 57:[60, 54, 6] Operation: 39-33=6 Moving to Node #0,0 Current State: 57:[60, 54, 6], Operations: ['39-33=6'] Exploring Operation: 60-54=6, Resulting Numbers: [6, 6] Generated Node #0,0,0: 57:[6, 6] Operation: 60-54=6 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 57:[6, 6], Operations: ['39-33=6', '60-54=6'] Exploring Operation: 6/6=1, Resulting Numbers: [1] 1,57 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
[ 36, 90, 77, 96 ]
73
[ "90-36=54", "96-77=19", "54+19=73" ]
Current State: 73:[36, 90, 77, 96], Operations: [] Exploring Operation: 90-36=54, Resulting Numbers: [77, 96, 54] Generated Node #2: [77, 96, 54] from Operation: 90-36=54 Current State: 73:[77, 96, 54], Operations: ['90-36=54'] Exploring Operation: 96-77=19, Resulting Numbers: [54, 19] Generated Node #3: [54, 19] from Operation: 96-77=19 Current State: 73:[54, 19], Operations: ['90-36=54', '96-77=19'] Exploring Operation: 54+19=73, Resulting Numbers: [73] 73,73 equal: Goal Reached
4
Current State: 73:[36, 90, 77, 96], Operations: [] Exploring Operation: 96-36=60, Resulting Numbers: [90, 77, 60] Generated Node #0,0: 73:[90, 77, 60] Operation: 96-36=60 Start Sub Search at level 1: Moving to Node #0,0 Current State: 73:[90, 77, 60], Operations: ['96-36=60'] Exploring Operation: 90-60=30, Resulting Numbers: [77, 30] Generated Node #0,0,0: 73:[77, 30] Operation: 90-60=30 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 73:[77, 30], Operations: ['96-36=60', '90-60=30'] Exploring Operation: 77-30=47, Resulting Numbers: [47] 47,73 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 44, 10, 22, 66 ]
50
[ "44+66=110", "10*110=1100", "1100/22=50" ]
Current State: 50:[44, 10, 22, 66], Operations: [] Exploring Operation: 44+66=110, Resulting Numbers: [10, 22, 110] Generated Node #2: [10, 22, 110] from Operation: 44+66=110 Current State: 50:[10, 22, 110], Operations: ['44+66=110'] Exploring Operation: 10*110=1100, Resulting Numbers: [22, 1100] Generated Node #3: [22, 1100] from Operation: 10*110=1100 Current State: 50:[22, 1100], Operations: ['44+66=110', '10*110=1100'] Exploring Operation: 1100/22=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[44, 10, 22, 66], Operations: [] Exploring Operation: 66-44=22, Resulting Numbers: [10, 22, 22] Generated Node #0,0: 50:[10, 22, 22] Operation: 66-44=22 Exploring Operation: 66/22=3, Resulting Numbers: [44, 10, 3] Generated Node #0,1: 50:[44, 10, 3] Operation: 66/22=3 Exploring Operation: 66-22=44, Resulting Numbers: [44, 10, 44] Generated Node #0,2: 50:[44, 10, 44] Operation: 66-22=44 Start Sub Search at level 1: Moving to Node #0,0 Current State: 50:[10, 22, 22], Operations: ['66-44=22'] Exploring Operation: 22-22=0, Resulting Numbers: [10, 0] Generated Node #0,0,0: 50:[10, 0] Operation: 22-22=0 Exploring Operation: 22-10=12, Resulting Numbers: [22, 12] Generated Node #0,0,1: 50:[22, 12] Operation: 22-10=12 Exploring Operation: 22/22=1, Resulting Numbers: [10, 1] Generated Node #0,0,2: 50:[10, 1] Operation: 22/22=1 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 50:[10, 1], Operations: ['66-44=22', '22/22=1'] Exploring Operation: 10+1=11, Resulting Numbers: [11] 11,50 unequal: No Solution Exploring Operation: 10/1=10, Resulting Numbers: [10] 10,50 unequal: No Solution Exploring Operation: 10*1=10, Resulting Numbers: [10] 10,50 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 50:[10, 0], Operations: ['66-44=22', '22-22=0'] Exploring Operation: 10-0=10, Resulting Numbers: [10] 10,50 unequal: No Solution Exploring Operation: 10+0=10, Resulting Numbers: [10] 10,50 unequal: No Solution Exploring Operation: 10*0=0, Resulting Numbers: [0] 0,50 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 50:[22, 12], Operations: ['66-44=22', '22-10=12'] Exploring Operation: 22-12=10, Resulting Numbers: [10] 10,50 unequal: No Solution Exploring Operation: 22*12=264, Resulting Numbers: [264] 264,50 unequal: No Solution Exploring Operation: 22+12=34, Resulting Numbers: [34] 34,50 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 50:[44, 10, 3], Operations: ['66/22=3'] Exploring Operation: 44+10=54, Resulting Numbers: [3, 54] Generated Node #0,1,0: 50:[3, 54] Operation: 44+10=54 Exploring Operation: 10-3=7, Resulting Numbers: [44, 7] Generated Node #0,1,1: 50:[44, 7] Operation: 10-3=7 Exploring Operation: 44+3=47, Resulting Numbers: [10, 47] Generated Node #0,1,2: 50:[10, 47] Operation: 44+3=47 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 50:[10, 47], Operations: ['66/22=3', '44+3=47'] Exploring Operation: 47-10=37, Resulting Numbers: [37] 37,50 unequal: No Solution Exploring Operation: 10*47=470, Resulting Numbers: [470] 470,50 unequal: No Solution Exploring Operation: 10+47=57, Resulting Numbers: [57] 57,50 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 50:[3, 54], Operations: ['66/22=3', '44+10=54'] Exploring Operation: 3+54=57, Resulting Numbers: [57] 57,50 unequal: No Solution Exploring Operation: 54/3=18, Resulting Numbers: [18] 18,50 unequal: No Solution Exploring Operation: 54-3=51, Resulting Numbers: [51] 51,50 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 50:[44, 7], Operations: ['66/22=3', '10-3=7'] Exploring Operation: 44-7=37, Resulting Numbers: [37] 37,50 unequal: No Solution Exploring Operation: 44*7=308, Resulting Numbers: [308] 308,50 unequal: No Solution Exploring Operation: 44+7=51, Resulting Numbers: [51] 51,50 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 50:[44, 10, 44], Operations: ['66-22=44'] Exploring Operation: 44/44=1, Resulting Numbers: [10, 1] Generated Node #0,2,0: 50:[10, 1] Operation: 44/44=1 Exploring Operation: 44+10=54, Resulting Numbers: [44, 54] Generated Node #0,2,1: 50:[44, 54] Operation: 44+10=54 Exploring Operation: 44-44=0, Resulting Numbers: [10, 0] Generated Node #0,2,2: 50:[10, 0] Operation: 44-44=0 Moving to Node #0,2,0 Current State: 50:[10, 1], Operations: ['66-22=44', '44/44=1'] Exploring Operation: 10*1=10, Resulting Numbers: [10] 10,50 unequal: No Solution Exploring Operation: 10/1=10, Resulting Numbers: [10] 10,50 unequal: No Solution Exploring Operation: 10+1=11, Resulting Numbers: [11] 11,50 unequal: No Solution Moving to Node #0,2,2 Current State: 50:[10, 0], Operations: ['66-22=44', '44-44=0'] Exploring Operation: 10+0=10, Resulting Numbers: [10] 10,50 unequal: No Solution Exploring Operation: 10*0=0, Resulting Numbers: [0] 0,50 unequal: No Solution Exploring Operation: 10-0=10, Resulting Numbers: [10] 10,50 unequal: No Solution Moving to Node #0,2,1 Current State: 50:[44, 54], Operations: ['66-22=44', '44+10=54'] Exploring Operation: 54-44=10, Resulting Numbers: [10] 10,50 unequal: No Solution Exploring Operation: 44+54=98, Resulting Numbers: [98] 98,50 unequal: No Solution Exploring Operation: 44*54=2376, Resulting Numbers: [2376] 2376,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 61, 76, 69, 67 ]
72
[ "69-61=8", "76-67=9", "8*9=72" ]
Current State: 72:[61, 76, 69, 67], Operations: [] Exploring Operation: 69-61=8, Resulting Numbers: [76, 67, 8] Generated Node #2: [76, 67, 8] from Operation: 69-61=8 Current State: 72:[76, 67, 8], Operations: ['69-61=8'] Exploring Operation: 76-67=9, Resulting Numbers: [8, 9] Generated Node #3: [8, 9] from Operation: 76-67=9 Current State: 72:[8, 9], Operations: ['69-61=8', '76-67=9'] Exploring Operation: 8*9=72, Resulting Numbers: [72] 72,72 equal: Goal Reached
4
Current State: 72:[61, 76, 69, 67], Operations: [] Exploring Operation: 76-61=15, Resulting Numbers: [69, 67, 15] Generated Node #0,0: 72:[69, 67, 15] Operation: 76-61=15 Exploring Operation: 69-61=8, Resulting Numbers: [76, 67, 8] Generated Node #0,1: 72:[76, 67, 8] Operation: 69-61=8 Exploring Operation: 69-67=2, Resulting Numbers: [61, 76, 2] Generated Node #0,2: 72:[61, 76, 2] Operation: 69-67=2 Exploring Operation: 76-67=9, Resulting Numbers: [61, 69, 9] Generated Node #0,3: 72:[61, 69, 9] Operation: 76-67=9 Exploring Operation: 67-61=6, Resulting Numbers: [76, 69, 6] Generated Node #0,4: 72:[76, 69, 6] Operation: 67-61=6 Moving to Node #0,4 Current State: 72:[76, 69, 6], Operations: ['67-61=6'] Exploring Operation: 69+6=75, Resulting Numbers: [76, 75] Generated Node #0,4,0: 72:[76, 75] Operation: 69+6=75 Exploring Operation: 76+6=82, Resulting Numbers: [69, 82] Generated Node #0,4,1: 72:[69, 82] Operation: 76+6=82 Exploring Operation: 69-6=63, Resulting Numbers: [76, 63] Generated Node #0,4,2: 72:[76, 63] Operation: 69-6=63 Exploring Operation: 76-6=70, Resulting Numbers: [69, 70] Generated Node #0,4,3: 72:[69, 70] Operation: 76-6=70 Exploring Operation: 76-69=7, Resulting Numbers: [6, 7] Generated Node #0,4,4: 72:[6, 7] Operation: 76-69=7 Moving to Node #0,1 Current State: 72:[76, 67, 8], Operations: ['69-61=8'] Exploring Operation: 67-8=59, Resulting Numbers: [76, 59] Generated Node #0,1,0: 72:[76, 59] Operation: 67-8=59 Exploring Operation: 76-67=9, Resulting Numbers: [8, 9] Generated Node #0,1,1: 72:[8, 9] Operation: 76-67=9 Exploring Operation: 67+8=75, Resulting Numbers: [76, 75] Generated Node #0,1,2: 72:[76, 75] Operation: 67+8=75 Exploring Operation: 76-8=68, Resulting Numbers: [67, 68] Generated Node #0,1,3: 72:[67, 68] Operation: 76-8=68 Exploring Operation: 76+8=84, Resulting Numbers: [67, 84] Generated Node #0,1,4: 72:[67, 84] Operation: 76+8=84 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 72:[8, 9], Operations: ['69-61=8', '76-67=9'] Exploring Operation: 8*9=72, Resulting Numbers: [72] 72,72 equal: Goal Reached Moving to Node #0 Current State: 72:[61, 76, 69, 67], Operations: [] Exploring Operation: 69-61=8, Resulting Numbers: [76, 67, 8] Generated Node #0,1: 72:[76, 67, 8] Operation: 69-61=8 Moving to Node #0,1 Current State: 72:[76, 67, 8], Operations: ['69-61=8'] Exploring Operation: 76-67=9, Resulting Numbers: [8, 9] Generated Node #0,1,1: 72:[8, 9] Operation: 76-67=9 Moving to Node #0,1,1 Current State: 72:[8, 9], Operations: ['69-61=8', '76-67=9'] Exploring Operation: 8*9=72, Resulting Numbers: [72] 72,72 equal: Goal Reached Exit Sub Search at level 1
0.982639
hs_5
mult_heuristic
[ 55, 2, 42, 94 ]
34
[ "55-42=13", "94/2=47", "47-13=34" ]
Current State: 34:[55, 2, 42, 94], Operations: [] Exploring Operation: 55-42=13, Resulting Numbers: [2, 94, 13] Generated Node #2: [2, 94, 13] from Operation: 55-42=13 Current State: 34:[2, 94, 13], Operations: ['55-42=13'] Exploring Operation: 94/2=47, Resulting Numbers: [13, 47] Generated Node #3: [13, 47] from Operation: 94/2=47 Current State: 34:[13, 47], Operations: ['55-42=13', '94/2=47'] Exploring Operation: 47-13=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
4
Current State: 34:[55, 2, 42, 94], Operations: [] Exploring Operation: 94/2=47, Resulting Numbers: [55, 42, 47] Generated Node #0,0: 34:[55, 42, 47] Operation: 94/2=47 Exploring Operation: 94-42=52, Resulting Numbers: [55, 2, 52] Generated Node #0,1: 34:[55, 2, 52] Operation: 94-42=52 Exploring Operation: 94-55=39, Resulting Numbers: [2, 42, 39] Generated Node #0,2: 34:[2, 42, 39] Operation: 94-55=39 Moving to Node #0,2 Current State: 34:[2, 42, 39], Operations: ['94-55=39'] Exploring Operation: 42-2=40, Resulting Numbers: [39, 40] Generated Node #0,2,0: 34:[39, 40] Operation: 42-2=40 Exploring Operation: 42-39=3, Resulting Numbers: [2, 3] Generated Node #0,2,1: 34:[2, 3] Operation: 42-39=3 Exploring Operation: 42/2=21, Resulting Numbers: [39, 21] Generated Node #0,2,2: 34:[39, 21] Operation: 42/2=21 Moving to Node #0,1 Current State: 34:[55, 2, 52], Operations: ['94-42=52'] Exploring Operation: 55-2=53, Resulting Numbers: [52, 53] Generated Node #0,1,0: 34:[52, 53] Operation: 55-2=53 Exploring Operation: 52/2=26, Resulting Numbers: [55, 26] Generated Node #0,1,1: 34:[55, 26] Operation: 52/2=26 Exploring Operation: 55-52=3, Resulting Numbers: [2, 3] Generated Node #0,1,2: 34:[2, 3] Operation: 55-52=3 Moving to Node #0,0 Current State: 34:[55, 42, 47], Operations: ['94/2=47'] Exploring Operation: 55-47=8, Resulting Numbers: [42, 8] Generated Node #0,0,0: 34:[42, 8] Operation: 55-47=8 Exploring Operation: 47-42=5, Resulting Numbers: [55, 5] Generated Node #0,0,1: 34:[55, 5] Operation: 47-42=5 Exploring Operation: 55-42=13, Resulting Numbers: [47, 13] Generated Node #0,0,2: 34:[47, 13] Operation: 55-42=13 Moving to Node #0,2,1 Current State: 34:[2, 3], Operations: ['94-55=39', '42-39=3'] Exploring Operation: 2*3=6, Resulting Numbers: [6] 6,34 unequal: No Solution Exploring Operation: 3-2=1, Resulting Numbers: [1] 1,34 unequal: No Solution Exploring Operation: 2+3=5, Resulting Numbers: [5] 5,34 unequal: No Solution Moving to Node #0,1,2 Current State: 34:[2, 3], Operations: ['94-42=52', '55-52=3'] Exploring Operation: 2+3=5, Resulting Numbers: [5] 5,34 unequal: No Solution Exploring Operation: 3-2=1, Resulting Numbers: [1] 1,34 unequal: No Solution Exploring Operation: 2*3=6, Resulting Numbers: [6] 6,34 unequal: No Solution Moving to Node #0,2,2 Current State: 34:[39, 21], Operations: ['94-55=39', '42/2=21'] Exploring Operation: 39-21=18, Resulting Numbers: [18] 18,34 unequal: No Solution Exploring Operation: 39+21=60, Resulting Numbers: [60] 60,34 unequal: No Solution Exploring Operation: 39*21=819, Resulting Numbers: [819] 819,34 unequal: No Solution Moving to Node #0,2,0 Current State: 34:[39, 40], Operations: ['94-55=39', '42-2=40'] Exploring Operation: 39+40=79, Resulting Numbers: [79] 79,34 unequal: No Solution Exploring Operation: 40-39=1, Resulting Numbers: [1] 1,34 unequal: No Solution Exploring Operation: 39*40=1560, Resulting Numbers: [1560] 1560,34 unequal: No Solution Moving to Node #0,0,0 Current State: 34:[42, 8], Operations: ['94/2=47', '55-47=8'] Exploring Operation: 42-8=34, Resulting Numbers: [34] 34,34 equal: Goal Reached Moving to Node #0 Current State: 34:[55, 2, 42, 94], Operations: [] Exploring Operation: 94/2=47, Resulting Numbers: [55, 42, 47] Generated Node #0,0: 34:[55, 42, 47] Operation: 94/2=47 Moving to Node #0,0 Current State: 34:[55, 42, 47], Operations: ['94/2=47'] Exploring Operation: 55-47=8, Resulting Numbers: [42, 8] Generated Node #0,0,0: 34:[42, 8] Operation: 55-47=8 Moving to Node #0,0,0 Current State: 34:[42, 8], Operations: ['94/2=47', '55-47=8'] Exploring Operation: 42-8=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
0.974826
hs_3
mult_heuristic
[ 11, 3, 57, 65 ]
55
[ "3+57=60", "65-60=5", "11*5=55" ]
Current State: 55:[11, 3, 57, 65], Operations: [] Exploring Operation: 3+57=60, Resulting Numbers: [11, 65, 60] Generated Node #2: [11, 65, 60] from Operation: 3+57=60 Current State: 55:[11, 65, 60], Operations: ['3+57=60'] Exploring Operation: 65-60=5, Resulting Numbers: [11, 5] Generated Node #3: [11, 5] from Operation: 65-60=5 Current State: 55:[11, 5], Operations: ['3+57=60', '65-60=5'] Exploring Operation: 11*5=55, Resulting Numbers: [55] 55,55 equal: Goal Reached
4
Current State: 55:[11, 3, 57, 65], Operations: [] Exploring Operation: 65-57=8, Resulting Numbers: [11, 3, 8] Generated Node #0,0: 55:[11, 3, 8] Operation: 65-57=8 Exploring Operation: 65-11=54, Resulting Numbers: [3, 57, 54] Generated Node #0,1: 55:[3, 57, 54] Operation: 65-11=54 Moving to Node #0,0 Current State: 55:[11, 3, 8], Operations: ['65-57=8'] Exploring Operation: 8-3=5, Resulting Numbers: [11, 5] Generated Node #0,0,0: 55:[11, 5] Operation: 8-3=5 Exploring Operation: 3+8=11, Resulting Numbers: [11, 11] Generated Node #0,0,1: 55:[11, 11] Operation: 3+8=11 Moving to Node #0,1 Current State: 55:[3, 57, 54], Operations: ['65-11=54'] Exploring Operation: 3+54=57, Resulting Numbers: [57, 57] Generated Node #0,1,0: 55:[57, 57] Operation: 3+54=57 Exploring Operation: 57-3=54, Resulting Numbers: [54, 54] Generated Node #0,1,1: 55:[54, 54] Operation: 57-3=54 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 55:[54, 54], Operations: ['65-11=54', '57-3=54'] Exploring Operation: 54/54=1, Resulting Numbers: [1] 1,55 unequal: No Solution Exploring Operation: 54-54=0, Resulting Numbers: [0] 0,55 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 55:[57, 57], Operations: ['65-11=54', '3+54=57'] Exploring Operation: 57-57=0, Resulting Numbers: [0] 0,55 unequal: No Solution Exploring Operation: 57/57=1, Resulting Numbers: [1] 1,55 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: 55:[11, 5], Operations: ['65-57=8', '8-3=5'] Exploring Operation: 11-5=6, Resulting Numbers: [6] 6,55 unequal: No Solution Exploring Operation: 11*5=55, Resulting Numbers: [55] 55,55 equal: Goal Reached Moving to Node #0 Current State: 55:[11, 3, 57, 65], Operations: [] Exploring Operation: 65-57=8, Resulting Numbers: [11, 3, 8] Generated Node #0,0: 55:[11, 3, 8] Operation: 65-57=8 Moving to Node #0,0 Current State: 55:[11, 3, 8], Operations: ['65-57=8'] Exploring Operation: 8-3=5, Resulting Numbers: [11, 5] Generated Node #0,0,0: 55:[11, 5] Operation: 8-3=5 Moving to Node #0,0,0 Current State: 55:[11, 5], Operations: ['65-57=8', '8-3=5'] Exploring Operation: 11*5=55, Resulting Numbers: [55] 55,55 equal: Goal Reached
0.986111
hs_2
sum_heuristic
[ 23, 10, 31, 97 ]
43
[ "23+97=120", "120/10=12", "31+12=43" ]
Current State: 43:[23, 10, 31, 97], Operations: [] Exploring Operation: 23+97=120, Resulting Numbers: [10, 31, 120] Generated Node #2: [10, 31, 120] from Operation: 23+97=120 Current State: 43:[10, 31, 120], Operations: ['23+97=120'] Exploring Operation: 120/10=12, Resulting Numbers: [31, 12] Generated Node #3: [31, 12] from Operation: 120/10=12 Current State: 43:[31, 12], Operations: ['23+97=120', '120/10=12'] Exploring Operation: 31+12=43, Resulting Numbers: [43] 43,43 equal: Goal Reached
4
Current State: 43:[23, 10, 31, 97], Operations: [] Exploring Operation: 97-31=66, Resulting Numbers: [23, 10, 66] Generated Node #0,0: 43:[23, 10, 66] Operation: 97-31=66 Exploring Operation: 97-10=87, Resulting Numbers: [23, 31, 87] Generated Node #0,1: 43:[23, 31, 87] Operation: 97-10=87 Exploring Operation: 10+31=41, Resulting Numbers: [23, 97, 41] Generated Node #0,2: 43:[23, 97, 41] Operation: 10+31=41 Exploring Operation: 97-23=74, Resulting Numbers: [10, 31, 74] Generated Node #0,3: 43:[10, 31, 74] Operation: 97-23=74 Exploring Operation: 23+10=33, Resulting Numbers: [31, 97, 33] Generated Node #0,4: 43:[31, 97, 33] Operation: 23+10=33 Start Sub Search at level 1: Moving to Node #0,0 Current State: 43:[23, 10, 66], Operations: ['97-31=66'] Exploring Operation: 66-10=56, Resulting Numbers: [23, 56] Generated Node #0,0,0: 43:[23, 56] Operation: 66-10=56 Exploring Operation: 10+66=76, Resulting Numbers: [23, 76] Generated Node #0,0,1: 43:[23, 76] Operation: 10+66=76 Exploring Operation: 23-10=13, Resulting Numbers: [66, 13] Generated Node #0,0,2: 43:[66, 13] Operation: 23-10=13 Exploring Operation: 23+10=33, Resulting Numbers: [66, 33] Generated Node #0,0,3: 43:[66, 33] Operation: 23+10=33 Exploring Operation: 66-23=43, Resulting Numbers: [10, 43] Generated Node #0,0,4: 43:[10, 43] Operation: 66-23=43 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 43:[23, 56], Operations: ['97-31=66', '66-10=56'] Exploring Operation: 23+56=79, Resulting Numbers: [79] 79,43 unequal: No Solution Exploring Operation: 56-23=33, Resulting Numbers: [33] 33,43 unequal: No Solution Exploring Operation: 23*56=1288, Resulting Numbers: [1288] 1288,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 43:[66, 33], Operations: ['97-31=66', '23+10=33'] Exploring Operation: 66-33=33, Resulting Numbers: [33] 33,43 unequal: No Solution Exploring Operation: 66*33=2178, Resulting Numbers: [2178] 2178,43 unequal: No Solution Exploring Operation: 66/33=2, Resulting Numbers: [2] 2,43 unequal: No Solution Exploring Operation: 66+33=99, Resulting Numbers: [99] 99,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 43:[10, 43], Operations: ['97-31=66', '66-23=43'] Exploring Operation: 10+43=53, Resulting Numbers: [53] 53,43 unequal: No Solution Exploring Operation: 10*43=430, Resulting Numbers: [430] 430,43 unequal: No Solution Exploring Operation: 43-10=33, Resulting Numbers: [33] 33,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 43:[23, 76], Operations: ['97-31=66', '10+66=76'] Exploring Operation: 23*76=1748, Resulting Numbers: [1748] 1748,43 unequal: No Solution Exploring Operation: 23+76=99, Resulting Numbers: [99] 99,43 unequal: No Solution Exploring Operation: 76-23=53, Resulting Numbers: [53] 53,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 43:[66, 13], Operations: ['97-31=66', '23-10=13'] Exploring Operation: 66*13=858, Resulting Numbers: [858] 858,43 unequal: No Solution Exploring Operation: 66+13=79, Resulting Numbers: [79] 79,43 unequal: No Solution Exploring Operation: 66-13=53, Resulting Numbers: [53] 53,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 43:[23, 31, 87], Operations: ['97-10=87'] Exploring Operation: 87-23=64, Resulting Numbers: [31, 64] Generated Node #0,1,0: 43:[31, 64] Operation: 87-23=64 Exploring Operation: 23+31=54, Resulting Numbers: [87, 54] Generated Node #0,1,1: 43:[87, 54] Operation: 23+31=54 Exploring Operation: 23+87=110, Resulting Numbers: [31, 110] Generated Node #0,1,2: 43:[31, 110] Operation: 23+87=110 Exploring Operation: 31-23=8, Resulting Numbers: [87, 8] Generated Node #0,1,3: 43:[87, 8] Operation: 31-23=8 Exploring Operation: 87-31=56, Resulting Numbers: [23, 56] Generated Node #0,1,4: 43:[23, 56] Operation: 87-31=56 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 43:[31, 64], Operations: ['97-10=87', '87-23=64'] Exploring Operation: 64-31=33, Resulting Numbers: [33] 33,43 unequal: No Solution Exploring Operation: 31*64=1984, Resulting Numbers: [1984] 1984,43 unequal: No Solution Exploring Operation: 31+64=95, Resulting Numbers: [95] 95,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 43:[23, 56], Operations: ['97-10=87', '87-31=56'] Exploring Operation: 23*56=1288, Resulting Numbers: [1288] 1288,43 unequal: No Solution Exploring Operation: 56-23=33, Resulting Numbers: [33] 33,43 unequal: No Solution Exploring Operation: 23+56=79, Resulting Numbers: [79] 79,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 43:[87, 54], Operations: ['97-10=87', '23+31=54'] Exploring Operation: 87-54=33, Resulting Numbers: [33] 33,43 unequal: No Solution Exploring Operation: 87*54=4698, Resulting Numbers: [4698] 4698,43 unequal: No Solution Exploring Operation: 87+54=141, Resulting Numbers: [141] 141,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 43:[31, 110], Operations: ['97-10=87', '23+87=110'] Exploring Operation: 31*110=3410, Resulting Numbers: [3410] 3410,43 unequal: No Solution Exploring Operation: 110-31=79, Resulting Numbers: [79] 79,43 unequal: No Solution Exploring Operation: 31+110=141, Resulting Numbers: [141] 141,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 43:[87, 8], Operations: ['97-10=87', '31-23=8'] Exploring Operation: 87*8=696, Resulting Numbers: [696] 696,43 unequal: No Solution Exploring Operation: 87-8=79, Resulting Numbers: [79] 79,43 unequal: No Solution Exploring Operation: 87+8=95, Resulting Numbers: [95] 95,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 43:[23, 97, 41], Operations: ['10+31=41'] Exploring Operation: 41-23=18, Resulting Numbers: [97, 18] Generated Node #0,2,0: 43:[97, 18] Operation: 41-23=18 Exploring Operation: 97-41=56, Resulting Numbers: [23, 56] Generated Node #0,2,1: 43:[23, 56] Operation: 97-41=56 Exploring Operation: 97-23=74, Resulting Numbers: [41, 74] Generated Node #0,2,2: 43:[41, 74] Operation: 97-23=74 Exploring Operation: 23+97=120, Resulting Numbers: [41, 120] Generated Node #0,2,3: 43:[41, 120] Operation: 23+97=120 Exploring Operation: 23+41=64, Resulting Numbers: [97, 64] Generated Node #0,2,4: 43:[97, 64] Operation: 23+41=64 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 43:[23, 56], Operations: ['10+31=41', '97-41=56'] Exploring Operation: 23+56=79, Resulting Numbers: [79] 79,43 unequal: No Solution Exploring Operation: 23*56=1288, Resulting Numbers: [1288] 1288,43 unequal: No Solution Exploring Operation: 56-23=33, Resulting Numbers: [33] 33,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 43:[41, 74], Operations: ['10+31=41', '97-23=74'] Exploring Operation: 74-41=33, Resulting Numbers: [33] 33,43 unequal: No Solution Exploring Operation: 41*74=3034, Resulting Numbers: [3034] 3034,43 unequal: No Solution Exploring Operation: 41+74=115, Resulting Numbers: [115] 115,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 43:[97, 64], Operations: ['10+31=41', '23+41=64'] Exploring Operation: 97+64=161, Resulting Numbers: [161] 161,43 unequal: No Solution Exploring Operation: 97-64=33, Resulting Numbers: [33] 33,43 unequal: No Solution Exploring Operation: 97*64=6208, Resulting Numbers: [6208] 6208,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 43:[97, 18], Operations: ['10+31=41', '41-23=18'] Exploring Operation: 97-18=79, Resulting Numbers: [79] 79,43 unequal: No Solution Exploring Operation: 97+18=115, Resulting Numbers: [115] 115,43 unequal: No Solution Exploring Operation: 97*18=1746, Resulting Numbers: [1746] 1746,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 43:[41, 120], Operations: ['10+31=41', '23+97=120'] Exploring Operation: 41*120=4920, Resulting Numbers: [4920] 4920,43 unequal: No Solution Exploring Operation: 41+120=161, Resulting Numbers: [161] 161,43 unequal: No Solution Exploring Operation: 120-41=79, Resulting Numbers: [79] 79,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 43:[10, 31, 74], Operations: ['97-23=74'] Exploring Operation: 74-31=43, Resulting Numbers: [10, 43] Generated Node #0,3,0: 43:[10, 43] Operation: 74-31=43 Exploring Operation: 10+31=41, Resulting Numbers: [74, 41] Generated Node #0,3,1: 43:[74, 41] Operation: 10+31=41 Exploring Operation: 31-10=21, Resulting Numbers: [74, 21] Generated Node #0,3,2: 43:[74, 21] Operation: 31-10=21 Exploring Operation: 10+74=84, Resulting Numbers: [31, 84] Generated Node #0,3,3: 43:[31, 84] Operation: 10+74=84 Exploring Operation: 74-10=64, Resulting Numbers: [31, 64] Generated Node #0,3,4: 43:[31, 64] Operation: 74-10=64 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 43:[10, 43], Operations: ['97-23=74', '74-31=43'] Exploring Operation: 10+43=53, Resulting Numbers: [53] 53,43 unequal: No Solution Exploring Operation: 43-10=33, Resulting Numbers: [33] 33,43 unequal: No Solution Exploring Operation: 10*43=430, Resulting Numbers: [430] 430,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 43:[74, 41], Operations: ['97-23=74', '10+31=41'] Exploring Operation: 74-41=33, Resulting Numbers: [33] 33,43 unequal: No Solution Exploring Operation: 74+41=115, Resulting Numbers: [115] 115,43 unequal: No Solution Exploring Operation: 74*41=3034, Resulting Numbers: [3034] 3034,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 43:[31, 64], Operations: ['97-23=74', '74-10=64'] Exploring Operation: 31+64=95, Resulting Numbers: [95] 95,43 unequal: No Solution Exploring Operation: 64-31=33, Resulting Numbers: [33] 33,43 unequal: No Solution Exploring Operation: 31*64=1984, Resulting Numbers: [1984] 1984,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 43:[74, 21], Operations: ['97-23=74', '31-10=21'] Exploring Operation: 74-21=53, Resulting Numbers: [53] 53,43 unequal: No Solution Exploring Operation: 74*21=1554, Resulting Numbers: [1554] 1554,43 unequal: No Solution Exploring Operation: 74+21=95, Resulting Numbers: [95] 95,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 43:[31, 84], Operations: ['97-23=74', '10+74=84'] Exploring Operation: 31+84=115, Resulting Numbers: [115] 115,43 unequal: No Solution Exploring Operation: 84-31=53, Resulting Numbers: [53] 53,43 unequal: No Solution Exploring Operation: 31*84=2604, Resulting Numbers: [2604] 2604,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 43:[31, 97, 33], Operations: ['23+10=33'] Exploring Operation: 97-33=64, Resulting Numbers: [31, 64] Generated Node #0,4,0: 43:[31, 64] Operation: 97-33=64 Exploring Operation: 31+97=128, Resulting Numbers: [33, 128] Generated Node #0,4,1: 43:[33, 128] Operation: 31+97=128 Exploring Operation: 33-31=2, Resulting Numbers: [97, 2] Generated Node #0,4,2: 43:[97, 2] Operation: 33-31=2 Exploring Operation: 97-31=66, Resulting Numbers: [33, 66] Generated Node #0,4,3: 43:[33, 66] Operation: 97-31=66 Exploring Operation: 31+33=64, Resulting Numbers: [97, 64] Generated Node #0,4,4: 43:[97, 64] Operation: 31+33=64 Moving to Node #0,4,0 Current State: 43:[31, 64], Operations: ['23+10=33', '97-33=64'] Exploring Operation: 64-31=33, Resulting Numbers: [33] 33,43 unequal: No Solution Exploring Operation: 31+64=95, Resulting Numbers: [95] 95,43 unequal: No Solution Exploring Operation: 31*64=1984, Resulting Numbers: [1984] 1984,43 unequal: No Solution Moving to Node #0,4,3 Current State: 43:[33, 66], Operations: ['23+10=33', '97-31=66'] Exploring Operation: 33*66=2178, Resulting Numbers: [2178] 2178,43 unequal: No Solution Exploring Operation: 33+66=99, Resulting Numbers: [99] 99,43 unequal: No Solution Exploring Operation: 66-33=33, Resulting Numbers: [33] 33,43 unequal: No Solution Exploring Operation: 66/33=2, Resulting Numbers: [2] 2,43 unequal: No Solution Moving to Node #0,4,4 Current State: 43:[97, 64], Operations: ['23+10=33', '31+33=64'] Exploring Operation: 97*64=6208, Resulting Numbers: [6208] 6208,43 unequal: No Solution Exploring Operation: 97+64=161, Resulting Numbers: [161] 161,43 unequal: No Solution Exploring Operation: 97-64=33, Resulting Numbers: [33] 33,43 unequal: No Solution Moving to Node #0,4,1 Current State: 43:[33, 128], Operations: ['23+10=33', '31+97=128'] Exploring Operation: 33+128=161, Resulting Numbers: [161] 161,43 unequal: No Solution Exploring Operation: 128-33=95, Resulting Numbers: [95] 95,43 unequal: No Solution Exploring Operation: 33*128=4224, Resulting Numbers: [4224] 4224,43 unequal: No Solution Moving to Node #0,4,2 Current State: 43:[97, 2], Operations: ['23+10=33', '33-31=2'] Exploring Operation: 97+2=99, Resulting Numbers: [99] 99,43 unequal: No Solution Exploring Operation: 97*2=194, Resulting Numbers: [194] 194,43 unequal: No Solution Exploring Operation: 97-2=95, Resulting Numbers: [95] 95,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
mult_heuristic
[ 4, 43, 13, 29 ]
43
[ "43+13=56", "56/4=14", "29+14=43" ]
Current State: 43:[4, 43, 13, 29], Operations: [] Exploring Operation: 43+13=56, Resulting Numbers: [4, 29, 56] Generated Node #2: [4, 29, 56] from Operation: 43+13=56 Current State: 43:[4, 29, 56], Operations: ['43+13=56'] Exploring Operation: 56/4=14, Resulting Numbers: [29, 14] Generated Node #3: [29, 14] from Operation: 56/4=14 Current State: 43:[29, 14], Operations: ['43+13=56', '56/4=14'] Exploring Operation: 29+14=43, Resulting Numbers: [43] 43,43 equal: Goal Reached
4
Current State: 43:[4, 43, 13, 29], Operations: [] Exploring Operation: 4*13=52, Resulting Numbers: [43, 29, 52] Generated Node #0,0: 43:[43, 29, 52] Operation: 4*13=52 Exploring Operation: 4+13=17, Resulting Numbers: [43, 29, 17] Generated Node #0,1: 43:[43, 29, 17] Operation: 4+13=17 Moving to Node #0,0 Current State: 43:[43, 29, 52], Operations: ['4*13=52'] Exploring Operation: 52-29=23, Resulting Numbers: [43, 23] Generated Node #0,0,0: 43:[43, 23] Operation: 52-29=23 Exploring Operation: 43+29=72, Resulting Numbers: [52, 72] Generated Node #0,0,1: 43:[52, 72] Operation: 43+29=72 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 43:[43, 23], Operations: ['4*13=52', '52-29=23'] Exploring Operation: 43+23=66, Resulting Numbers: [66] 66,43 unequal: No Solution Exploring Operation: 43-23=20, Resulting Numbers: [20] 20,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 43:[52, 72], Operations: ['4*13=52', '43+29=72'] Exploring Operation: 52+72=124, Resulting Numbers: [124] 124,43 unequal: No Solution Exploring Operation: 72-52=20, Resulting Numbers: [20] 20,43 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: 43:[43, 29, 17], Operations: ['4+13=17'] Exploring Operation: 29+17=46, Resulting Numbers: [43, 46] Generated Node #0,1,0: 43:[43, 46] Operation: 29+17=46 Exploring Operation: 43+17=60, Resulting Numbers: [29, 60] Generated Node #0,1,1: 43:[29, 60] Operation: 43+17=60 Moving to Node #0,1,0 Current State: 43:[43, 46], Operations: ['4+13=17', '29+17=46'] Exploring Operation: 46-43=3, Resulting Numbers: [3] 3,43 unequal: No Solution Exploring Operation: 43+46=89, Resulting Numbers: [89] 89,43 unequal: No Solution Moving to Node #0,1,1 Current State: 43:[29, 60], Operations: ['4+13=17', '43+17=60'] Exploring Operation: 60-29=31, Resulting Numbers: [31] 31,43 unequal: No Solution Exploring Operation: 29+60=89, Resulting Numbers: [89] 89,43 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 5, 38, 51, 5 ]
65
[ "5*38=190", "51*5=255", "255-190=65" ]
Current State: 65:[5, 38, 51, 5], Operations: [] Exploring Operation: 5*38=190, Resulting Numbers: [51, 190] Generated Node #2: [51, 190] from Operation: 5*38=190 Current State: 65:[51, 190], Operations: ['5*38=190'] Exploring Operation: 51*5=255, Resulting Numbers: [190, 255] Generated Node #3: [190, 255] from Operation: 51*5=255 Current State: 65:[190, 255], Operations: ['5*38=190', '51*5=255'] Exploring Operation: 255-190=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
4
Current State: 65:[5, 38, 51, 5], Operations: [] Exploring Operation: 51-38=13, Resulting Numbers: [5, 5, 13] Generated Node #0,0: 65:[5, 5, 13] Operation: 51-38=13 Moving to Node #0,0 Current State: 65:[5, 5, 13], Operations: ['51-38=13'] Exploring Operation: 5*13=65, Resulting Numbers: [5, 65] Generated Node #0,0,0: 65:[5, 65] Operation: 5*13=65 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 65:[5, 65], Operations: ['51-38=13', '5*13=65'] Exploring Operation: 65/5=13, Resulting Numbers: [13] 13,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 6, 87, 37, 29 ]
93
[ "37-6=31", "87/29=3", "31*3=93" ]
Current State: 93:[6, 87, 37, 29], Operations: [] Exploring Operation: 37-6=31, Resulting Numbers: [87, 29, 31] Generated Node #2: [87, 29, 31] from Operation: 37-6=31 Current State: 93:[87, 29, 31], Operations: ['37-6=31'] Exploring Operation: 87/29=3, Resulting Numbers: [31, 3] Generated Node #3: [31, 3] from Operation: 87/29=3 Current State: 93:[31, 3], Operations: ['37-6=31', '87/29=3'] Exploring Operation: 31*3=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
4
Current State: 93:[6, 87, 37, 29], Operations: [] Exploring Operation: 37-6=31, Resulting Numbers: [87, 29, 31] Generated Node #0,0: 93:[87, 29, 31] Operation: 37-6=31 Exploring Operation: 87/29=3, Resulting Numbers: [6, 37, 3] Generated Node #0,1: 93:[6, 37, 3] Operation: 87/29=3 Exploring Operation: 6+87=93, Resulting Numbers: [37, 29, 93] Generated Node #0,2: 93:[37, 29, 93] Operation: 6+87=93 Exploring Operation: 37-29=8, Resulting Numbers: [6, 87, 8] Generated Node #0,3: 93:[6, 87, 8] Operation: 37-29=8 Moving to Node #0,0 Current State: 93:[87, 29, 31], Operations: ['37-6=31'] Exploring Operation: 31-29=2, Resulting Numbers: [87, 2] Generated Node #0,0,0: 93:[87, 2] Operation: 31-29=2 Exploring Operation: 87+29=116, Resulting Numbers: [31, 116] Generated Node #0,0,1: 93:[31, 116] Operation: 87+29=116 Exploring Operation: 87-29=58, Resulting Numbers: [31, 58] Generated Node #0,0,2: 93:[31, 58] Operation: 87-29=58 Exploring Operation: 87/29=3, Resulting Numbers: [31, 3] Generated Node #0,0,3: 93:[31, 3] Operation: 87/29=3 Moving to Node #0,2 Current State: 93:[37, 29, 93], Operations: ['6+87=93'] Exploring Operation: 37-29=8, Resulting Numbers: [93, 8] Generated Node #0,2,0: 93:[93, 8] Operation: 37-29=8 Exploring Operation: 93-37=56, Resulting Numbers: [29, 56] Generated Node #0,2,1: 93:[29, 56] Operation: 93-37=56 Exploring Operation: 29+93=122, Resulting Numbers: [37, 122] Generated Node #0,2,2: 93:[37, 122] Operation: 29+93=122 Exploring Operation: 37+29=66, Resulting Numbers: [93, 66] Generated Node #0,2,3: 93:[93, 66] Operation: 37+29=66 Moving to Node #0,1 Current State: 93:[6, 37, 3], Operations: ['87/29=3'] Exploring Operation: 6/3=2, Resulting Numbers: [37, 2] Generated Node #0,1,0: 93:[37, 2] Operation: 6/3=2 Exploring Operation: 6-3=3, Resulting Numbers: [37, 3] Generated Node #0,1,1: 93:[37, 3] Operation: 6-3=3 Exploring Operation: 37-3=34, Resulting Numbers: [6, 34] Generated Node #0,1,2: 93:[6, 34] Operation: 37-3=34 Exploring Operation: 37-6=31, Resulting Numbers: [3, 31] Generated Node #0,1,3: 93:[3, 31] Operation: 37-6=31 Moving to Node #0,3 Current State: 93:[6, 87, 8], Operations: ['37-29=8'] Exploring Operation: 87+8=95, Resulting Numbers: [6, 95] Generated Node #0,3,0: 93:[6, 95] Operation: 87+8=95 Exploring Operation: 87-6=81, Resulting Numbers: [8, 81] Generated Node #0,3,1: 93:[8, 81] Operation: 87-6=81 Exploring Operation: 8-6=2, Resulting Numbers: [87, 2] Generated Node #0,3,2: 93:[87, 2] Operation: 8-6=2 Exploring Operation: 6+87=93, Resulting Numbers: [8, 93] Generated Node #0,3,3: 93:[8, 93] Operation: 6+87=93 Moving to Node #0,0,3 Current State: 93:[31, 3], Operations: ['37-6=31', '87/29=3'] Exploring Operation: 31*3=93, Resulting Numbers: [93] 93,93 equal: Goal Reached Moving to Node #0 Current State: 93:[6, 87, 37, 29], Operations: [] Exploring Operation: 37-6=31, Resulting Numbers: [87, 29, 31] Generated Node #0,0: 93:[87, 29, 31] Operation: 37-6=31 Moving to Node #0,0 Current State: 93:[87, 29, 31], Operations: ['37-6=31'] Exploring Operation: 87/29=3, Resulting Numbers: [31, 3] Generated Node #0,0,3: 93:[31, 3] Operation: 87/29=3 Moving to Node #0,0,3 Current State: 93:[31, 3], Operations: ['37-6=31', '87/29=3'] Exploring Operation: 31*3=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
0.978299
hs_4
mult_heuristic
[ 5, 75, 71, 17 ]
16
[ "75-5=70", "71-17=54", "70-54=16" ]
Current State: 16:[5, 75, 71, 17], Operations: [] Exploring Operation: 75-5=70, Resulting Numbers: [71, 17, 70] Generated Node #2: [71, 17, 70] from Operation: 75-5=70 Current State: 16:[71, 17, 70], Operations: ['75-5=70'] Exploring Operation: 71-17=54, Resulting Numbers: [70, 54] Generated Node #3: [70, 54] from Operation: 71-17=54 Current State: 16:[70, 54], Operations: ['75-5=70', '71-17=54'] Exploring Operation: 70-54=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[5, 75, 71, 17], Operations: [] Exploring Operation: 75-71=4, Resulting Numbers: [5, 17, 4] Generated Node #0,0: 16:[5, 17, 4] Operation: 75-71=4 Exploring Operation: 75/5=15, Resulting Numbers: [71, 17, 15] Generated Node #0,1: 16:[71, 17, 15] Operation: 75/5=15 Moving to Node #0,0 Current State: 16:[5, 17, 4], Operations: ['75-71=4'] Exploring Operation: 5+4=9, Resulting Numbers: [17, 9] Generated Node #0,0,0: 16:[17, 9] Operation: 5+4=9 Exploring Operation: 5-4=1, Resulting Numbers: [17, 1] Generated Node #0,0,1: 16:[17, 1] Operation: 5-4=1 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 16:[17, 9], Operations: ['75-71=4', '5+4=9'] Exploring Operation: 17+9=26, Resulting Numbers: [26] 26,16 unequal: No Solution Exploring Operation: 17-9=8, Resulting Numbers: [8] 8,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 16:[17, 1], Operations: ['75-71=4', '5-4=1'] Exploring Operation: 17-1=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Moving to Node #0 Current State: 16:[5, 75, 71, 17], Operations: [] Exploring Operation: 75-71=4, Resulting Numbers: [5, 17, 4] Generated Node #0,0: 16:[5, 17, 4] Operation: 75-71=4 Moving to Node #0,0 Current State: 16:[5, 17, 4], Operations: ['75-71=4'] Exploring Operation: 5-4=1, Resulting Numbers: [17, 1] Generated Node #0,0,1: 16:[17, 1] Operation: 5-4=1 Moving to Node #0,0,1 Current State: 16:[17, 1], Operations: ['75-71=4', '5-4=1'] Exploring Operation: 17-1=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_2
sum_heuristic
[ 32, 78, 53, 78 ]
71
[ "78-32=46", "78-53=25", "46+25=71" ]
Current State: 71:[32, 78, 53, 78], Operations: [] Exploring Operation: 78-32=46, Resulting Numbers: [53, 46] Generated Node #2: [53, 46] from Operation: 78-32=46 Current State: 71:[53, 46], Operations: ['78-32=46'] Exploring Operation: 78-53=25, Resulting Numbers: [46, 25] Generated Node #3: [46, 25] from Operation: 78-53=25 Current State: 71:[46, 25], Operations: ['78-32=46', '78-53=25'] Exploring Operation: 46+25=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
4
Current State: 71:[32, 78, 53, 78], Operations: [] Exploring Operation: 32+78=110, Resulting Numbers: [53, 78, 110] Generated Node #0,0: 71:[53, 78, 110] Operation: 32+78=110 Exploring Operation: 32+53=85, Resulting Numbers: [78, 78, 85] Generated Node #0,1: 71:[78, 78, 85] Operation: 32+53=85 Exploring Operation: 78-32=46, Resulting Numbers: [78, 53, 46] Generated Node #0,2: 71:[78, 53, 46] Operation: 78-32=46 Exploring Operation: 78-32=46, Resulting Numbers: [53, 78, 46] Generated Node #0,3: 71:[53, 78, 46] Operation: 78-32=46 Exploring Operation: 53-32=21, Resulting Numbers: [78, 78, 21] Generated Node #0,4: 71:[78, 78, 21] Operation: 53-32=21 Start Sub Search at level 1: Moving to Node #0,1 Current State: 71:[78, 78, 85], Operations: ['32+53=85'] Exploring Operation: 78-78=0, Resulting Numbers: [85, 0] Generated Node #0,1,0: 71:[85, 0] Operation: 78-78=0 Exploring Operation: 85-78=7, Resulting Numbers: [78, 7] Generated Node #0,1,1: 71:[78, 7] Operation: 85-78=7 Exploring Operation: 78/78=1, Resulting Numbers: [85, 1] Generated Node #0,1,2: 71:[85, 1] Operation: 78/78=1 Exploring Operation: 78+78=156, Resulting Numbers: [85, 156] Generated Node #0,1,3: 71:[85, 156] Operation: 78+78=156 Exploring Operation: 85-78=7, Resulting Numbers: [78, 7] Generated Node #0,1,4: 71:[78, 7] Operation: 85-78=7 Moving to Node #0,1,1 Current State: 71:[78, 7], Operations: ['32+53=85', '85-78=7'] Exploring Operation: 78-7=71, Resulting Numbers: [71] 71,71 equal: Goal Reached Moving to Node #0 Current State: 71:[32, 78, 53, 78], Operations: [] Exploring Operation: 32+53=85, Resulting Numbers: [78, 78, 85] Generated Node #0,1: 71:[78, 78, 85] Operation: 32+53=85 Moving to Node #0,1 Current State: 71:[78, 78, 85], Operations: ['32+53=85'] Exploring Operation: 85-78=7, Resulting Numbers: [78, 7] Generated Node #0,1,1: 71:[78, 7] Operation: 85-78=7 Moving to Node #0,1,1 Current State: 71:[78, 7], Operations: ['32+53=85', '85-78=7'] Exploring Operation: 78-7=71, Resulting Numbers: [71] 71,71 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_5
sum_heuristic
[ 42, 93, 28, 75 ]
88
[ "42+93=135", "75-28=47", "135-47=88" ]
Current State: 88:[42, 93, 28, 75], Operations: [] Exploring Operation: 42+93=135, Resulting Numbers: [28, 75, 135] Generated Node #2: [28, 75, 135] from Operation: 42+93=135 Current State: 88:[28, 75, 135], Operations: ['42+93=135'] Exploring Operation: 75-28=47, Resulting Numbers: [135, 47] Generated Node #3: [135, 47] from Operation: 75-28=47 Current State: 88:[135, 47], Operations: ['42+93=135', '75-28=47'] Exploring Operation: 135-47=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
4
Current State: 88:[42, 93, 28, 75], Operations: [] Exploring Operation: 75-28=47, Resulting Numbers: [42, 93, 47] Generated Node #0,0: 88:[42, 93, 47] Operation: 75-28=47 Exploring Operation: 93-75=18, Resulting Numbers: [42, 28, 18] Generated Node #0,1: 88:[42, 28, 18] Operation: 93-75=18 Exploring Operation: 42-28=14, Resulting Numbers: [93, 75, 14] Generated Node #0,2: 88:[93, 75, 14] Operation: 42-28=14 Start Sub Search at level 1: Moving to Node #0,0 Current State: 88:[42, 93, 47], Operations: ['75-28=47'] Exploring Operation: 47-42=5, Resulting Numbers: [93, 5] Generated Node #0,0,0: 88:[93, 5] Operation: 47-42=5 Exploring Operation: 93-47=46, Resulting Numbers: [42, 46] Generated Node #0,0,1: 88:[42, 46] Operation: 93-47=46 Exploring Operation: 42+47=89, Resulting Numbers: [93, 89] Generated Node #0,0,2: 88:[93, 89] Operation: 42+47=89 Moving to Node #0,0,1 Current State: 88:[42, 46], Operations: ['75-28=47', '93-47=46'] Exploring Operation: 42*46=1932, Resulting Numbers: [1932] 1932,88 unequal: No Solution Exploring Operation: 42+46=88, Resulting Numbers: [88] 88,88 equal: Goal Reached Moving to Node #0 Current State: 88:[42, 93, 28, 75], Operations: [] Exploring Operation: 75-28=47, Resulting Numbers: [42, 93, 47] Generated Node #0,0: 88:[42, 93, 47] Operation: 75-28=47 Moving to Node #0,0 Current State: 88:[42, 93, 47], Operations: ['75-28=47'] Exploring Operation: 93-47=46, Resulting Numbers: [42, 46] Generated Node #0,0,1: 88:[42, 46] Operation: 93-47=46 Moving to Node #0,0,1 Current State: 88:[42, 46], Operations: ['75-28=47', '93-47=46'] Exploring Operation: 42+46=88, Resulting Numbers: [88] 88,88 equal: Goal Reached Exit Sub Search at level 1
0.989583
hs_3
mult_heuristic
[ 92, 88, 29, 82 ]
94
[ "92+82=174", "174/29=6", "88+6=94" ]
Current State: 94:[92, 88, 29, 82], Operations: [] Exploring Operation: 92+82=174, Resulting Numbers: [88, 29, 174] Generated Node #2: [88, 29, 174] from Operation: 92+82=174 Current State: 94:[88, 29, 174], Operations: ['92+82=174'] Exploring Operation: 174/29=6, Resulting Numbers: [88, 6] Generated Node #3: [88, 6] from Operation: 174/29=6 Current State: 94:[88, 6], Operations: ['92+82=174', '174/29=6'] Exploring Operation: 88+6=94, Resulting Numbers: [94] 94,94 equal: Goal Reached
4
Current State: 94:[92, 88, 29, 82], Operations: [] Exploring Operation: 88-82=6, Resulting Numbers: [92, 29, 6] Generated Node #0,0: 94:[92, 29, 6] Operation: 88-82=6 Exploring Operation: 82-29=53, Resulting Numbers: [92, 88, 53] Generated Node #0,1: 94:[92, 88, 53] Operation: 82-29=53 Exploring Operation: 29+82=111, Resulting Numbers: [92, 88, 111] Generated Node #0,2: 94:[92, 88, 111] Operation: 29+82=111 Start Sub Search at level 1: Moving to Node #0,1 Current State: 94:[92, 88, 53], Operations: ['82-29=53'] Exploring Operation: 92-53=39, Resulting Numbers: [88, 39] Generated Node #0,1,0: 94:[88, 39] Operation: 92-53=39 Exploring Operation: 88-53=35, Resulting Numbers: [92, 35] Generated Node #0,1,1: 94:[92, 35] Operation: 88-53=35 Exploring Operation: 92-88=4, Resulting Numbers: [53, 4] Generated Node #0,1,2: 94:[53, 4] Operation: 92-88=4 Moving to Node #0,1,2 Current State: 94:[53, 4], Operations: ['82-29=53', '92-88=4'] Exploring Operation: 53*4=212, Resulting Numbers: [212] 212,94 unequal: No Solution Exploring Operation: 53+4=57, Resulting Numbers: [57] 57,94 unequal: No Solution Exploring Operation: 53-4=49, Resulting Numbers: [49] 49,94 unequal: No Solution Moving to Node #0,1,0 Current State: 94:[88, 39], Operations: ['82-29=53', '92-53=39'] Exploring Operation: 88*39=3432, Resulting Numbers: [3432] 3432,94 unequal: No Solution Exploring Operation: 88+39=127, Resulting Numbers: [127] 127,94 unequal: No Solution Exploring Operation: 88-39=49, Resulting Numbers: [49] 49,94 unequal: No Solution Moving to Node #0,1,1 Current State: 94:[92, 35], Operations: ['82-29=53', '88-53=35'] Exploring Operation: 92+35=127, Resulting Numbers: [127] 127,94 unequal: No Solution Exploring Operation: 92-35=57, Resulting Numbers: [57] 57,94 unequal: No Solution Exploring Operation: 92*35=3220, Resulting Numbers: [3220] 3220,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 94:[92, 29, 6], Operations: ['88-82=6'] Exploring Operation: 92+6=98, Resulting Numbers: [29, 98] Generated Node #0,0,0: 94:[29, 98] Operation: 92+6=98 Exploring Operation: 92-29=63, Resulting Numbers: [6, 63] Generated Node #0,0,1: 94:[6, 63] Operation: 92-29=63 Exploring Operation: 29+6=35, Resulting Numbers: [92, 35] Generated Node #0,0,2: 94:[92, 35] Operation: 29+6=35 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 94:[92, 35], Operations: ['88-82=6', '29+6=35'] Exploring Operation: 92+35=127, Resulting Numbers: [127] 127,94 unequal: No Solution Exploring Operation: 92-35=57, Resulting Numbers: [57] 57,94 unequal: No Solution Exploring Operation: 92*35=3220, Resulting Numbers: [3220] 3220,94 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 94:[6, 63], Operations: ['88-82=6', '92-29=63'] Exploring Operation: 63-6=57, Resulting Numbers: [57] 57,94 unequal: No Solution Exploring Operation: 6*63=378, Resulting Numbers: [378] 378,94 unequal: No Solution Exploring Operation: 6+63=69, Resulting Numbers: [69] 69,94 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 94:[29, 98], Operations: ['88-82=6', '92+6=98'] Exploring Operation: 29*98=2842, Resulting Numbers: [2842] 2842,94 unequal: No Solution Exploring Operation: 29+98=127, Resulting Numbers: [127] 127,94 unequal: No Solution Exploring Operation: 98-29=69, Resulting Numbers: [69] 69,94 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 #0,2 Current State: 94:[92, 88, 111], Operations: ['29+82=111'] Exploring Operation: 92-88=4, Resulting Numbers: [111, 4] Generated Node #0,2,0: 94:[111, 4] Operation: 92-88=4 Exploring Operation: 111-88=23, Resulting Numbers: [92, 23] Generated Node #0,2,1: 94:[92, 23] Operation: 111-88=23 Exploring Operation: 111-92=19, Resulting Numbers: [88, 19] Generated Node #0,2,2: 94:[88, 19] Operation: 111-92=19 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 94:[111, 4], Operations: ['29+82=111', '92-88=4'] Exploring Operation: 111*4=444, Resulting Numbers: [444] 444,94 unequal: No Solution Exploring Operation: 111+4=115, Resulting Numbers: [115] 115,94 unequal: No Solution Exploring Operation: 111-4=107, Resulting Numbers: [107] 107,94 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 94:[92, 23], Operations: ['29+82=111', '111-88=23'] Exploring Operation: 92-23=69, Resulting Numbers: [69] 69,94 unequal: No Solution Exploring Operation: 92+23=115, Resulting Numbers: [115] 115,94 unequal: No Solution Exploring Operation: 92/23=4, Resulting Numbers: [4] 4,94 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 94:[88, 19], Operations: ['29+82=111', '111-92=19'] Exploring Operation: 88*19=1672, Resulting Numbers: [1672] 1672,94 unequal: No Solution Exploring Operation: 88-19=69, Resulting Numbers: [69] 69,94 unequal: No Solution Exploring Operation: 88+19=107, Resulting Numbers: [107] 107,94 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
mult_heuristic
[ 7, 1, 73, 4 ]
41
[ "7+1=8", "4*8=32", "73-32=41" ]
Current State: 41:[7, 1, 73, 4], Operations: [] Exploring Operation: 7+1=8, Resulting Numbers: [73, 4, 8] Generated Node #2: [73, 4, 8] from Operation: 7+1=8 Current State: 41:[73, 4, 8], Operations: ['7+1=8'] Exploring Operation: 4*8=32, Resulting Numbers: [73, 32] Generated Node #3: [73, 32] from Operation: 4*8=32 Current State: 41:[73, 32], Operations: ['7+1=8', '4*8=32'] Exploring Operation: 73-32=41, Resulting Numbers: [41] 41,41 equal: Goal Reached
4
Current State: 41:[7, 1, 73, 4], Operations: [] Exploring Operation: 7+1=8, Resulting Numbers: [73, 4, 8] Generated Node #0,0: 41:[73, 4, 8] Operation: 7+1=8 Exploring Operation: 7+4=11, Resulting Numbers: [1, 73, 11] Generated Node #0,1: 41:[1, 73, 11] Operation: 7+4=11 Exploring Operation: 7*4=28, Resulting Numbers: [1, 73, 28] Generated Node #0,2: 41:[1, 73, 28] Operation: 7*4=28 Exploring Operation: 73-1=72, Resulting Numbers: [7, 4, 72] Generated Node #0,3: 41:[7, 4, 72] Operation: 73-1=72 Exploring Operation: 73-7=66, Resulting Numbers: [1, 4, 66] Generated Node #0,4: 41:[1, 4, 66] Operation: 73-7=66 Start Sub Search at level 1: Moving to Node #0,2 Current State: 41:[1, 73, 28], Operations: ['7*4=28'] Exploring Operation: 1*73=73, Resulting Numbers: [28, 73] Generated Node #0,2,0: 41:[28, 73] Operation: 1*73=73 Exploring Operation: 73-1=72, Resulting Numbers: [28, 72] Generated Node #0,2,1: 41:[28, 72] Operation: 73-1=72 Exploring Operation: 1+28=29, Resulting Numbers: [73, 29] Generated Node #0,2,2: 41:[73, 29] Operation: 1+28=29 Exploring Operation: 73-28=45, Resulting Numbers: [1, 45] Generated Node #0,2,3: 41:[1, 45] Operation: 73-28=45 Exploring Operation: 73/1=73, Resulting Numbers: [28, 73] Generated Node #0,2,4: 41:[28, 73] Operation: 73/1=73 Moving to Node #0,2,1 Current State: 41:[28, 72], Operations: ['7*4=28', '73-1=72'] Exploring Operation: 28+72=100, Resulting Numbers: [100] 100,41 unequal: No Solution Exploring Operation: 72-28=44, Resulting Numbers: [44] 44,41 unequal: No Solution Exploring Operation: 28*72=2016, Resulting Numbers: [2016] 2016,41 unequal: No Solution Moving to Node #0,2,3 Current State: 41:[1, 45], Operations: ['7*4=28', '73-28=45'] Exploring Operation: 45-1=44, Resulting Numbers: [44] 44,41 unequal: No Solution Exploring Operation: 45/1=45, Resulting Numbers: [45] 45,41 unequal: No Solution Exploring Operation: 1*45=45, Resulting Numbers: [45] 45,41 unequal: No Solution Exploring Operation: 1+45=46, Resulting Numbers: [46] 46,41 unequal: No Solution Moving to Node #0,2,2 Current State: 41:[73, 29], Operations: ['7*4=28', '1+28=29'] Exploring Operation: 73+29=102, Resulting Numbers: [102] 102,41 unequal: No Solution Exploring Operation: 73-29=44, Resulting Numbers: [44] 44,41 unequal: No Solution Exploring Operation: 73*29=2117, Resulting Numbers: [2117] 2117,41 unequal: No Solution Moving to Node #0,2,0 Current State: 41:[28, 73], Operations: ['7*4=28', '1*73=73'] Exploring Operation: 73-28=45, Resulting Numbers: [45] 45,41 unequal: No Solution Exploring Operation: 28+73=101, Resulting Numbers: [101] 101,41 unequal: No Solution Exploring Operation: 28*73=2044, Resulting Numbers: [2044] 2044,41 unequal: No Solution Moving to Node #0,2,4 Current State: 41:[28, 73], Operations: ['7*4=28', '73/1=73'] Exploring Operation: 73-28=45, Resulting Numbers: [45] 45,41 unequal: No Solution Exploring Operation: 28+73=101, Resulting Numbers: [101] 101,41 unequal: No Solution Exploring Operation: 28*73=2044, Resulting Numbers: [2044] 2044,41 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 Current State: 41:[73, 4, 8], Operations: ['7+1=8'] Exploring Operation: 73-4=69, Resulting Numbers: [8, 69] Generated Node #0,0,0: 41:[8, 69] Operation: 73-4=69 Exploring Operation: 73+4=77, Resulting Numbers: [8, 77] Generated Node #0,0,1: 41:[8, 77] Operation: 73+4=77 Exploring Operation: 4*8=32, Resulting Numbers: [73, 32] Generated Node #0,0,2: 41:[73, 32] Operation: 4*8=32 Exploring Operation: 4+8=12, Resulting Numbers: [73, 12] Generated Node #0,0,3: 41:[73, 12] Operation: 4+8=12 Exploring Operation: 73-8=65, Resulting Numbers: [4, 65] Generated Node #0,0,4: 41:[4, 65] Operation: 73-8=65 Moving to Node #0,0,2 Current State: 41:[73, 32], Operations: ['7+1=8', '4*8=32'] Exploring Operation: 73*32=2336, Resulting Numbers: [2336] 2336,41 unequal: No Solution Exploring Operation: 73-32=41, Resulting Numbers: [41] 41,41 equal: Goal Reached Moving to Node #0 Current State: 41:[7, 1, 73, 4], Operations: [] Exploring Operation: 7+1=8, Resulting Numbers: [73, 4, 8] Generated Node #0,0: 41:[73, 4, 8] Operation: 7+1=8 Moving to Node #0,0 Current State: 41:[73, 4, 8], Operations: ['7+1=8'] Exploring Operation: 4*8=32, Resulting Numbers: [73, 32] Generated Node #0,0,2: 41:[73, 32] Operation: 4*8=32 Moving to Node #0,0,2 Current State: 41:[73, 32], Operations: ['7+1=8', '4*8=32'] Exploring Operation: 73-32=41, Resulting Numbers: [41] 41,41 equal: Goal Reached Exit Sub Search at level 1
0.967882
hs_5
sum_heuristic
[ 28, 63, 3, 36 ]
43
[ "28+36=64", "63/3=21", "64-21=43" ]
Current State: 43:[28, 63, 3, 36], Operations: [] Exploring Operation: 28+36=64, Resulting Numbers: [63, 3, 64] Generated Node #2: [63, 3, 64] from Operation: 28+36=64 Current State: 43:[63, 3, 64], Operations: ['28+36=64'] Exploring Operation: 63/3=21, Resulting Numbers: [64, 21] Generated Node #3: [64, 21] from Operation: 63/3=21 Current State: 43:[64, 21], Operations: ['28+36=64', '63/3=21'] Exploring Operation: 64-21=43, Resulting Numbers: [43] 43,43 equal: Goal Reached
4
Current State: 43:[28, 63, 3, 36], Operations: [] Exploring Operation: 63/3=21, Resulting Numbers: [28, 36, 21] Generated Node #0,0: 43:[28, 36, 21] Operation: 63/3=21 Exploring Operation: 63-3=60, Resulting Numbers: [28, 36, 60] Generated Node #0,1: 43:[28, 36, 60] Operation: 63-3=60 Exploring Operation: 28+3=31, Resulting Numbers: [63, 36, 31] Generated Node #0,2: 43:[63, 36, 31] Operation: 28+3=31 Exploring Operation: 3+36=39, Resulting Numbers: [28, 63, 39] Generated Node #0,3: 43:[28, 63, 39] Operation: 3+36=39 Moving to Node #0,1 Current State: 43:[28, 36, 60], Operations: ['63-3=60'] Exploring Operation: 36-28=8, Resulting Numbers: [60, 8] Generated Node #0,1,0: 43:[60, 8] Operation: 36-28=8 Exploring Operation: 60-36=24, Resulting Numbers: [28, 24] Generated Node #0,1,1: 43:[28, 24] Operation: 60-36=24 Exploring Operation: 60-28=32, Resulting Numbers: [36, 32] Generated Node #0,1,2: 43:[36, 32] Operation: 60-28=32 Exploring Operation: 28+36=64, Resulting Numbers: [60, 64] Generated Node #0,1,3: 43:[60, 64] Operation: 28+36=64 Moving to Node #0,3 Current State: 43:[28, 63, 39], Operations: ['3+36=39'] Exploring Operation: 63-39=24, Resulting Numbers: [28, 24] Generated Node #0,3,0: 43:[28, 24] Operation: 63-39=24 Exploring Operation: 28+63=91, Resulting Numbers: [39, 91] Generated Node #0,3,1: 43:[39, 91] Operation: 28+63=91 Exploring Operation: 63-28=35, Resulting Numbers: [39, 35] Generated Node #0,3,2: 43:[39, 35] Operation: 63-28=35 Exploring Operation: 28+39=67, Resulting Numbers: [63, 67] Generated Node #0,3,3: 43:[63, 67] Operation: 28+39=67 Moving to Node #0,2 Current State: 43:[63, 36, 31], Operations: ['28+3=31'] Exploring Operation: 63+31=94, Resulting Numbers: [36, 94] Generated Node #0,2,0: 43:[36, 94] Operation: 63+31=94 Exploring Operation: 36+31=67, Resulting Numbers: [63, 67] Generated Node #0,2,1: 43:[63, 67] Operation: 36+31=67 Exploring Operation: 63-36=27, Resulting Numbers: [31, 27] Generated Node #0,2,2: 43:[31, 27] Operation: 63-36=27 Exploring Operation: 63-31=32, Resulting Numbers: [36, 32] Generated Node #0,2,3: 43:[36, 32] Operation: 63-31=32 Moving to Node #0,0 Current State: 43:[28, 36, 21], Operations: ['63/3=21'] Exploring Operation: 36+21=57, Resulting Numbers: [28, 57] Generated Node #0,0,0: 43:[28, 57] Operation: 36+21=57 Exploring Operation: 28+21=49, Resulting Numbers: [36, 49] Generated Node #0,0,1: 43:[36, 49] Operation: 28+21=49 Exploring Operation: 28-21=7, Resulting Numbers: [36, 7] Generated Node #0,0,2: 43:[36, 7] Operation: 28-21=7 Exploring Operation: 28+36=64, Resulting Numbers: [21, 64] Generated Node #0,0,3: 43:[21, 64] Operation: 28+36=64 Moving to Node #0,3,2 Current State: 43:[39, 35], Operations: ['3+36=39', '63-28=35'] Exploring Operation: 39-35=4, Resulting Numbers: [4] 4,43 unequal: No Solution Exploring Operation: 39+35=74, Resulting Numbers: [74] 74,43 unequal: No Solution Exploring Operation: 39*35=1365, Resulting Numbers: [1365] 1365,43 unequal: No Solution Moving to Node #0,0,1 Current State: 43:[36, 49], Operations: ['63/3=21', '28+21=49'] Exploring Operation: 49-36=13, Resulting Numbers: [13] 13,43 unequal: No Solution Exploring Operation: 36+49=85, Resulting Numbers: [85] 85,43 unequal: No Solution Exploring Operation: 36*49=1764, Resulting Numbers: [1764] 1764,43 unequal: No Solution Moving to Node #0,1,2 Current State: 43:[36, 32], Operations: ['63-3=60', '60-28=32'] Exploring Operation: 36*32=1152, Resulting Numbers: [1152] 1152,43 unequal: No Solution Exploring Operation: 36+32=68, Resulting Numbers: [68] 68,43 unequal: No Solution Exploring Operation: 36-32=4, Resulting Numbers: [4] 4,43 unequal: No Solution Moving to Node #0,2,3 Current State: 43:[36, 32], Operations: ['28+3=31', '63-31=32'] Exploring Operation: 36*32=1152, Resulting Numbers: [1152] 1152,43 unequal: No Solution Exploring Operation: 36+32=68, Resulting Numbers: [68] 68,43 unequal: No Solution Exploring Operation: 36-32=4, Resulting Numbers: [4] 4,43 unequal: No Solution Moving to Node #0,2,2 Current State: 43:[31, 27], Operations: ['28+3=31', '63-36=27'] Exploring Operation: 31*27=837, Resulting Numbers: [837] 837,43 unequal: No Solution Exploring Operation: 31+27=58, Resulting Numbers: [58] 58,43 unequal: No Solution Exploring Operation: 31-27=4, Resulting Numbers: [4] 4,43 unequal: No Solution Moving to Node #0,0,0 Current State: 43:[28, 57], Operations: ['63/3=21', '36+21=57'] Exploring Operation: 28+57=85, Resulting Numbers: [85] 85,43 unequal: No Solution Exploring Operation: 28*57=1596, Resulting Numbers: [1596] 1596,43 unequal: No Solution Exploring Operation: 57-28=29, Resulting Numbers: [29] 29,43 unequal: No Solution Moving to Node #0,3,0 Current State: 43:[28, 24], Operations: ['3+36=39', '63-39=24'] Exploring Operation: 28-24=4, Resulting Numbers: [4] 4,43 unequal: No Solution Exploring Operation: 28+24=52, Resulting Numbers: [52] 52,43 unequal: No Solution Exploring Operation: 28*24=672, Resulting Numbers: [672] 672,43 unequal: No Solution Moving to Node #0,1,1 Current State: 43:[28, 24], Operations: ['63-3=60', '60-36=24'] Exploring Operation: 28+24=52, Resulting Numbers: [52] 52,43 unequal: No Solution Exploring Operation: 28-24=4, Resulting Numbers: [4] 4,43 unequal: No Solution Exploring Operation: 28*24=672, Resulting Numbers: [672] 672,43 unequal: No Solution Moving to Node #0,1,3 Current State: 43:[60, 64], Operations: ['63-3=60', '28+36=64'] Exploring Operation: 60*64=3840, Resulting Numbers: [3840] 3840,43 unequal: No Solution Exploring Operation: 64-60=4, Resulting Numbers: [4] 4,43 unequal: No Solution Exploring Operation: 60+64=124, Resulting Numbers: [124] 124,43 unequal: No Solution Moving to Node #0,0,2 Current State: 43:[36, 7], Operations: ['63/3=21', '28-21=7'] Exploring Operation: 36-7=29, Resulting Numbers: [29] 29,43 unequal: No Solution Exploring Operation: 36*7=252, Resulting Numbers: [252] 252,43 unequal: No Solution Exploring Operation: 36+7=43, Resulting Numbers: [43] 43,43 equal: Goal Reached Moving to Node #0 Current State: 43:[28, 63, 3, 36], Operations: [] Exploring Operation: 63/3=21, Resulting Numbers: [28, 36, 21] Generated Node #0,0: 43:[28, 36, 21] Operation: 63/3=21 Moving to Node #0,0 Current State: 43:[28, 36, 21], Operations: ['63/3=21'] Exploring Operation: 28-21=7, Resulting Numbers: [36, 7] Generated Node #0,0,2: 43:[36, 7] Operation: 28-21=7 Moving to Node #0,0,2 Current State: 43:[36, 7], Operations: ['63/3=21', '28-21=7'] Exploring Operation: 36+7=43, Resulting Numbers: [43] 43,43 equal: Goal Reached
0.953125
hs_4
mult_heuristic
[ 57, 42, 10, 93 ]
27
[ "57+93=150", "150/10=15", "42-15=27" ]
Current State: 27:[57, 42, 10, 93], Operations: [] Exploring Operation: 57+93=150, Resulting Numbers: [42, 10, 150] Generated Node #2: [42, 10, 150] from Operation: 57+93=150 Current State: 27:[42, 10, 150], Operations: ['57+93=150'] Exploring Operation: 150/10=15, Resulting Numbers: [42, 15] Generated Node #3: [42, 15] from Operation: 150/10=15 Current State: 27:[42, 15], Operations: ['57+93=150', '150/10=15'] Exploring Operation: 42-15=27, Resulting Numbers: [27] 27,27 equal: Goal Reached
4
Current State: 27:[57, 42, 10, 93], Operations: [] Exploring Operation: 93-42=51, Resulting Numbers: [57, 10, 51] Generated Node #0,0: 27:[57, 10, 51] Operation: 93-42=51 Exploring Operation: 93-57=36, Resulting Numbers: [42, 10, 36] Generated Node #0,1: 27:[42, 10, 36] Operation: 93-57=36 Moving to Node #0,1 Current State: 27:[42, 10, 36], Operations: ['93-57=36'] Exploring Operation: 42-10=32, Resulting Numbers: [36, 32] Generated Node #0,1,0: 27:[36, 32] Operation: 42-10=32 Exploring Operation: 42-36=6, Resulting Numbers: [10, 6] Generated Node #0,1,1: 27:[10, 6] Operation: 42-36=6 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 27:[10, 6], Operations: ['93-57=36', '42-36=6'] Exploring Operation: 10-6=4, Resulting Numbers: [4] 4,27 unequal: No Solution Exploring Operation: 10+6=16, Resulting Numbers: [16] 16,27 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 27:[36, 32], Operations: ['93-57=36', '42-10=32'] Exploring Operation: 36-32=4, Resulting Numbers: [4] 4,27 unequal: No Solution Exploring Operation: 36+32=68, Resulting Numbers: [68] 68,27 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 27:[57, 10, 51], Operations: ['93-42=51'] Exploring Operation: 57-10=47, Resulting Numbers: [51, 47] Generated Node #0,0,0: 27:[51, 47] Operation: 57-10=47 Exploring Operation: 57-51=6, Resulting Numbers: [10, 6] Generated Node #0,0,1: 27:[10, 6] Operation: 57-51=6 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 27:[10, 6], Operations: ['93-42=51', '57-51=6'] Exploring Operation: 10+6=16, Resulting Numbers: [16] 16,27 unequal: No Solution Exploring Operation: 10-6=4, Resulting Numbers: [4] 4,27 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 27:[51, 47], Operations: ['93-42=51', '57-10=47'] Exploring Operation: 51-47=4, Resulting Numbers: [4] 4,27 unequal: No Solution Exploring Operation: 51+47=98, Resulting Numbers: [98] 98,27 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
[ 37, 34, 3, 51 ]
51
[ "37-34=3", "3+51=54", "54-3=51" ]
Current State: 51:[37, 34, 3, 51], Operations: [] Exploring Operation: 37-34=3, Resulting Numbers: [3, 51, 3] Generated Node #2: [3, 51, 3] from Operation: 37-34=3 Current State: 51:[3, 51, 3], Operations: ['37-34=3'] Exploring Operation: 3+51=54, Resulting Numbers: [54] 54,51 equal: Goal Reached Exploring Operation: 54-3=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[37, 34, 3, 51], Operations: [] Exploring Operation: 51-34=17, Resulting Numbers: [37, 3, 17] Generated Node #0,0: 51:[37, 3, 17] Operation: 51-34=17 Exploring Operation: 37-34=3, Resulting Numbers: [3, 51, 3] Generated Node #0,1: 51:[3, 51, 3] Operation: 37-34=3 Start Sub Search at level 1: Moving to Node #0,1 Current State: 51:[3, 51, 3], Operations: ['37-34=3'] Exploring Operation: 51/3=17, Resulting Numbers: [3, 17] Generated Node #0,1,0: 51:[3, 17] Operation: 51/3=17 Exploring Operation: 51/3=17, Resulting Numbers: [3, 17] Generated Node #0,1,1: 51:[3, 17] Operation: 51/3=17 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 51:[3, 17], Operations: ['37-34=3', '51/3=17'] Exploring Operation: 3+17=20, Resulting Numbers: [20] 20,51 unequal: No Solution Exploring Operation: 3*17=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Moving to Node #0 Current State: 51:[37, 34, 3, 51], Operations: [] Exploring Operation: 37-34=3, Resulting Numbers: [3, 51, 3] Generated Node #0,1: 51:[3, 51, 3] Operation: 37-34=3 Moving to Node #0,1 Current State: 51:[3, 51, 3], Operations: ['37-34=3'] Exploring Operation: 51/3=17, Resulting Numbers: [3, 17] Generated Node #0,1,0: 51:[3, 17] Operation: 51/3=17 Moving to Node #0,1,0 Current State: 51:[3, 17], Operations: ['37-34=3', '51/3=17'] Exploring Operation: 3*17=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.991319
hs_2
sum_heuristic
[ 45, 83, 24, 96 ]
42
[ "83-45=38", "96/24=4", "38+4=42" ]
Current State: 42:[45, 83, 24, 96], Operations: [] Exploring Operation: 83-45=38, Resulting Numbers: [24, 96, 38] Generated Node #2: [24, 96, 38] from Operation: 83-45=38 Current State: 42:[24, 96, 38], Operations: ['83-45=38'] Exploring Operation: 96/24=4, Resulting Numbers: [38, 4] Generated Node #3: [38, 4] from Operation: 96/24=4 Current State: 42:[38, 4], Operations: ['83-45=38', '96/24=4'] Exploring Operation: 38+4=42, Resulting Numbers: [42] 42,42 equal: Goal Reached
4
Current State: 42:[45, 83, 24, 96], Operations: [] Exploring Operation: 96-83=13, Resulting Numbers: [45, 24, 13] Generated Node #0,0: 42:[45, 24, 13] Operation: 96-83=13 Moving to Node #0,0 Current State: 42:[45, 24, 13], Operations: ['96-83=13'] Exploring Operation: 45-24=21, Resulting Numbers: [13, 21] Generated Node #0,0,0: 42:[13, 21] Operation: 45-24=21 Moving to Node #0,0,0 Current State: 42:[13, 21], Operations: ['96-83=13', '45-24=21'] Exploring Operation: 21-13=8, Resulting Numbers: [8] 8,42 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 66, 84, 29, 50 ]
32
[ "66+84=150", "150/50=3", "29+3=32" ]
Current State: 32:[66, 84, 29, 50], Operations: [] Exploring Operation: 66+84=150, Resulting Numbers: [29, 50, 150] Generated Node #2: [29, 50, 150] from Operation: 66+84=150 Current State: 32:[29, 50, 150], Operations: ['66+84=150'] Exploring Operation: 150/50=3, Resulting Numbers: [29, 3] Generated Node #3: [29, 3] from Operation: 150/50=3 Current State: 32:[29, 3], Operations: ['66+84=150', '150/50=3'] Exploring Operation: 29+3=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[66, 84, 29, 50], Operations: [] Exploring Operation: 84-66=18, Resulting Numbers: [29, 50, 18] Generated Node #0,0: 32:[29, 50, 18] Operation: 84-66=18 Moving to Node #0,0 Current State: 32:[29, 50, 18], Operations: ['84-66=18'] Exploring Operation: 50-18=32, Resulting Numbers: [29, 32] Generated Node #0,0,0: 32:[29, 32] Operation: 50-18=32 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 32:[29, 32], Operations: ['84-66=18', '50-18=32'] Exploring Operation: 32-29=3, Resulting Numbers: [3] 3,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 15, 99, 54, 42 ]
27
[ "99-15=84", "54*42=2268", "2268/84=27" ]
Current State: 27:[15, 99, 54, 42], Operations: [] Exploring Operation: 99-15=84, Resulting Numbers: [54, 42, 84] Generated Node #2: [54, 42, 84] from Operation: 99-15=84 Current State: 27:[54, 42, 84], Operations: ['99-15=84'] Exploring Operation: 54*42=2268, Resulting Numbers: [84, 2268] Generated Node #3: [84, 2268] from Operation: 54*42=2268 Current State: 27:[84, 2268], Operations: ['99-15=84', '54*42=2268'] Exploring Operation: 2268/84=27, Resulting Numbers: [27] 27,27 equal: Goal Reached
4
Current State: 27:[15, 99, 54, 42], Operations: [] Exploring Operation: 99-54=45, Resulting Numbers: [15, 42, 45] Generated Node #0,0: 27:[15, 42, 45] Operation: 99-54=45 Exploring Operation: 54-15=39, Resulting Numbers: [99, 42, 39] Generated Node #0,1: 27:[99, 42, 39] Operation: 54-15=39 Exploring Operation: 54-42=12, Resulting Numbers: [15, 99, 12] Generated Node #0,2: 27:[15, 99, 12] Operation: 54-42=12 Exploring Operation: 99-42=57, Resulting Numbers: [15, 54, 57] Generated Node #0,3: 27:[15, 54, 57] Operation: 99-42=57 Exploring Operation: 99-15=84, Resulting Numbers: [54, 42, 84] Generated Node #0,4: 27:[54, 42, 84] Operation: 99-15=84 Start Sub Search at level 1: Moving to Node #0,0 Current State: 27:[15, 42, 45], Operations: ['99-54=45'] Exploring Operation: 15+42=57, Resulting Numbers: [45, 57] Generated Node #0,0,0: 27:[45, 57] Operation: 15+42=57 Exploring Operation: 45-15=30, Resulting Numbers: [42, 30] Generated Node #0,0,1: 27:[42, 30] Operation: 45-15=30 Exploring Operation: 45/15=3, Resulting Numbers: [42, 3] Generated Node #0,0,2: 27:[42, 3] Operation: 45/15=3 Exploring Operation: 45-42=3, Resulting Numbers: [15, 3] Generated Node #0,0,3: 27:[15, 3] Operation: 45-42=3 Exploring Operation: 42-15=27, Resulting Numbers: [45, 27] Generated Node #0,0,4: 27:[45, 27] Operation: 42-15=27 Moving to Node #0,0,3 Current State: 27:[15, 3], Operations: ['99-54=45', '45-42=3'] Exploring Operation: 15+3=18, Resulting Numbers: [18] 18,27 unequal: No Solution Exploring Operation: 15/3=5, Resulting Numbers: [5] 5,27 unequal: No Solution Exploring Operation: 15-3=12, Resulting Numbers: [12] 12,27 unequal: No Solution Exploring Operation: 15*3=45, Resulting Numbers: [45] 45,27 unequal: No Solution Moving to Node #0,0,2 Current State: 27:[42, 3], Operations: ['99-54=45', '45/15=3'] Exploring Operation: 42/3=14, Resulting Numbers: [14] 14,27 unequal: No Solution Exploring Operation: 42-3=39, Resulting Numbers: [39] 39,27 unequal: No Solution Exploring Operation: 42+3=45, Resulting Numbers: [45] 45,27 unequal: No Solution Exploring Operation: 42*3=126, Resulting Numbers: [126] 126,27 unequal: No Solution Moving to Node #0,0,1 Current State: 27:[42, 30], Operations: ['99-54=45', '45-15=30'] Exploring Operation: 42+30=72, Resulting Numbers: [72] 72,27 unequal: No Solution Exploring Operation: 42*30=1260, Resulting Numbers: [1260] 1260,27 unequal: No Solution Exploring Operation: 42-30=12, Resulting Numbers: [12] 12,27 unequal: No Solution Moving to Node #0,0,4 Current State: 27:[45, 27], Operations: ['99-54=45', '42-15=27'] Exploring Operation: 45*27=1215, Resulting Numbers: [1215] 1215,27 unequal: No Solution Exploring Operation: 45+27=72, Resulting Numbers: [72] 72,27 unequal: No Solution Exploring Operation: 45-27=18, Resulting Numbers: [18] 18,27 unequal: No Solution Moving to Node #0,0,0 Current State: 27:[45, 57], Operations: ['99-54=45', '15+42=57'] Exploring Operation: 57-45=12, Resulting Numbers: [12] 12,27 unequal: No Solution Exploring Operation: 45*57=2565, Resulting Numbers: [2565] 2565,27 unequal: No Solution Exploring Operation: 45+57=102, Resulting Numbers: [102] 102,27 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 #0,3 Current State: 27:[15, 54, 57], Operations: ['99-42=57'] Exploring Operation: 15+54=69, Resulting Numbers: [57, 69] Generated Node #0,3,0: 27:[57, 69] Operation: 15+54=69 Exploring Operation: 57-54=3, Resulting Numbers: [15, 3] Generated Node #0,3,1: 27:[15, 3] Operation: 57-54=3 Exploring Operation: 15+57=72, Resulting Numbers: [54, 72] Generated Node #0,3,2: 27:[54, 72] Operation: 15+57=72 Exploring Operation: 54-15=39, Resulting Numbers: [57, 39] Generated Node #0,3,3: 27:[57, 39] Operation: 54-15=39 Exploring Operation: 57-15=42, Resulting Numbers: [54, 42] Generated Node #0,3,4: 27:[54, 42] Operation: 57-15=42 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 27:[15, 3], Operations: ['99-42=57', '57-54=3'] Exploring Operation: 15-3=12, Resulting Numbers: [12] 12,27 unequal: No Solution Exploring Operation: 15/3=5, Resulting Numbers: [5] 5,27 unequal: No Solution Exploring Operation: 15+3=18, Resulting Numbers: [18] 18,27 unequal: No Solution Exploring Operation: 15*3=45, Resulting Numbers: [45] 45,27 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 #0,3,3 Current State: 27:[57, 39], Operations: ['99-42=57', '54-15=39'] Exploring Operation: 57*39=2223, Resulting Numbers: [2223] 2223,27 unequal: No Solution Exploring Operation: 57+39=96, Resulting Numbers: [96] 96,27 unequal: No Solution Exploring Operation: 57-39=18, Resulting Numbers: [18] 18,27 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 #0,3,4 Current State: 27:[54, 42], Operations: ['99-42=57', '57-15=42'] Exploring Operation: 54+42=96, Resulting Numbers: [96] 96,27 unequal: No Solution Exploring Operation: 54-42=12, Resulting Numbers: [12] 12,27 unequal: No Solution Exploring Operation: 54*42=2268, Resulting Numbers: [2268] 2268,27 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 #0,3,0 Current State: 27:[57, 69], Operations: ['99-42=57', '15+54=69'] Exploring Operation: 57*69=3933, Resulting Numbers: [3933] 3933,27 unequal: No Solution Exploring Operation: 69-57=12, Resulting Numbers: [12] 12,27 unequal: No Solution Exploring Operation: 57+69=126, Resulting Numbers: [126] 126,27 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 #0,3,2 Current State: 27:[54, 72], Operations: ['99-42=57', '15+57=72'] Exploring Operation: 54*72=3888, Resulting Numbers: [3888] 3888,27 unequal: No Solution Exploring Operation: 72-54=18, Resulting Numbers: [18] 18,27 unequal: No Solution Exploring Operation: 54+72=126, Resulting Numbers: [126] 126,27 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 27:[15, 99, 12], Operations: ['54-42=12'] Exploring Operation: 15+99=114, Resulting Numbers: [12, 114] Generated Node #0,2,0: 27:[12, 114] Operation: 15+99=114 Exploring Operation: 99-12=87, Resulting Numbers: [15, 87] Generated Node #0,2,1: 27:[15, 87] Operation: 99-12=87 Exploring Operation: 99-15=84, Resulting Numbers: [12, 84] Generated Node #0,2,2: 27:[12, 84] Operation: 99-15=84 Exploring Operation: 15+12=27, Resulting Numbers: [99, 27] Generated Node #0,2,3: 27:[99, 27] Operation: 15+12=27 Exploring Operation: 15-12=3, Resulting Numbers: [99, 3] Generated Node #0,2,4: 27:[99, 3] Operation: 15-12=3 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 27:[12, 84], Operations: ['54-42=12', '99-15=84'] Exploring Operation: 12+84=96, Resulting Numbers: [96] 96,27 unequal: No Solution Exploring Operation: 84/12=7, Resulting Numbers: [7] 7,27 unequal: No Solution Exploring Operation: 12*84=1008, Resulting Numbers: [1008] 1008,27 unequal: No Solution Exploring Operation: 84-12=72, Resulting Numbers: [72] 72,27 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 27:[15, 87], Operations: ['54-42=12', '99-12=87'] Exploring Operation: 87-15=72, Resulting Numbers: [72] 72,27 unequal: No Solution Exploring Operation: 15*87=1305, Resulting Numbers: [1305] 1305,27 unequal: No Solution Exploring Operation: 15+87=102, Resulting Numbers: [102] 102,27 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 27:[99, 27], Operations: ['54-42=12', '15+12=27'] Exploring Operation: 99*27=2673, Resulting Numbers: [2673] 2673,27 unequal: No Solution Exploring Operation: 99-27=72, Resulting Numbers: [72] 72,27 unequal: No Solution Exploring Operation: 99+27=126, Resulting Numbers: [126] 126,27 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 27:[99, 3], Operations: ['54-42=12', '15-12=3'] Exploring Operation: 99/3=33, Resulting Numbers: [33] 33,27 unequal: No Solution Exploring Operation: 99+3=102, Resulting Numbers: [102] 102,27 unequal: No Solution Exploring Operation: 99-3=96, Resulting Numbers: [96] 96,27 unequal: No Solution Exploring Operation: 99*3=297, Resulting Numbers: [297] 297,27 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 27:[12, 114], Operations: ['54-42=12', '15+99=114'] Exploring Operation: 12+114=126, Resulting Numbers: [126] 126,27 unequal: No Solution Exploring Operation: 114-12=102, Resulting Numbers: [102] 102,27 unequal: No Solution Exploring Operation: 12*114=1368, Resulting Numbers: [1368] 1368,27 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:[99, 42, 39], Operations: ['54-15=39'] Exploring Operation: 99-42=57, Resulting Numbers: [39, 57] Generated Node #0,1,0: 27:[39, 57] Operation: 99-42=57 Exploring Operation: 99+42=141, Resulting Numbers: [39, 141] Generated Node #0,1,1: 27:[39, 141] Operation: 99+42=141 Exploring Operation: 42-39=3, Resulting Numbers: [99, 3] Generated Node #0,1,2: 27:[99, 3] Operation: 42-39=3 Exploring Operation: 99-39=60, Resulting Numbers: [42, 60] Generated Node #0,1,3: 27:[42, 60] Operation: 99-39=60 Exploring Operation: 99+39=138, Resulting Numbers: [42, 138] Generated Node #0,1,4: 27:[42, 138] Operation: 99+39=138 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 27:[39, 57], Operations: ['54-15=39', '99-42=57'] Exploring Operation: 39+57=96, Resulting Numbers: [96] 96,27 unequal: No Solution Exploring Operation: 39*57=2223, Resulting Numbers: [2223] 2223,27 unequal: No Solution Exploring Operation: 57-39=18, Resulting Numbers: [18] 18,27 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 27:[42, 60], Operations: ['54-15=39', '99-39=60'] Exploring Operation: 60-42=18, Resulting Numbers: [18] 18,27 unequal: No Solution Exploring Operation: 42+60=102, Resulting Numbers: [102] 102,27 unequal: No Solution Exploring Operation: 42*60=2520, Resulting Numbers: [2520] 2520,27 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 27:[99, 3], Operations: ['54-15=39', '42-39=3'] Exploring Operation: 99*3=297, Resulting Numbers: [297] 297,27 unequal: No Solution Exploring Operation: 99-3=96, Resulting Numbers: [96] 96,27 unequal: No Solution Exploring Operation: 99+3=102, Resulting Numbers: [102] 102,27 unequal: No Solution Exploring Operation: 99/3=33, Resulting Numbers: [33] 33,27 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 27:[39, 141], Operations: ['54-15=39', '99+42=141'] Exploring Operation: 39*141=5499, Resulting Numbers: [5499] 5499,27 unequal: No Solution Exploring Operation: 39+141=180, Resulting Numbers: [180] 180,27 unequal: No Solution Exploring Operation: 141-39=102, Resulting Numbers: [102] 102,27 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 27:[42, 138], Operations: ['54-15=39', '99+39=138'] Exploring Operation: 138-42=96, Resulting Numbers: [96] 96,27 unequal: No Solution Exploring Operation: 42*138=5796, Resulting Numbers: [5796] 5796,27 unequal: No Solution Exploring Operation: 42+138=180, Resulting Numbers: [180] 180,27 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 #0,4 Current State: 27:[54, 42, 84], Operations: ['99-15=84'] Exploring Operation: 54+42=96, Resulting Numbers: [84, 96] Generated Node #0,4,0: 27:[84, 96] Operation: 54+42=96 Exploring Operation: 84-42=42, Resulting Numbers: [54, 42] Generated Node #0,4,1: 27:[54, 42] Operation: 84-42=42 Exploring Operation: 54-42=12, Resulting Numbers: [84, 12] Generated Node #0,4,2: 27:[84, 12] Operation: 54-42=12 Exploring Operation: 84/42=2, Resulting Numbers: [54, 2] Generated Node #0,4,3: 27:[54, 2] Operation: 84/42=2 Exploring Operation: 84-54=30, Resulting Numbers: [42, 30] Generated Node #0,4,4: 27:[42, 30] Operation: 84-54=30 Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 27:[42, 30], Operations: ['99-15=84', '84-54=30'] Exploring Operation: 42+30=72, Resulting Numbers: [72] 72,27 unequal: No Solution Exploring Operation: 42*30=1260, Resulting Numbers: [1260] 1260,27 unequal: No Solution Exploring Operation: 42-30=12, Resulting Numbers: [12] 12,27 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 #0,4,3 Current State: 27:[54, 2], Operations: ['99-15=84', '84/42=2'] Exploring Operation: 54/2=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Moving to Node #0 Current State: 27:[15, 99, 54, 42], Operations: [] Exploring Operation: 99-15=84, Resulting Numbers: [54, 42, 84] Generated Node #0,4: 27:[54, 42, 84] Operation: 99-15=84 Moving to Node #0,4 Current State: 27:[54, 42, 84], Operations: ['99-15=84'] Exploring Operation: 84/42=2, Resulting Numbers: [54, 2] Generated Node #0,4,3: 27:[54, 2] Operation: 84/42=2 Moving to Node #0,4,3 Current State: 27:[54, 2], Operations: ['99-15=84', '84/42=2'] Exploring Operation: 54/2=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.909722
hs_5
sum_heuristic
[ 96, 63, 6, 54 ]
99
[ "96+63=159", "6+54=60", "159-60=99" ]
Current State: 99:[96, 63, 6, 54], Operations: [] Exploring Operation: 96+63=159, Resulting Numbers: [6, 54, 159] Generated Node #2: [6, 54, 159] from Operation: 96+63=159 Current State: 99:[6, 54, 159], Operations: ['96+63=159'] Exploring Operation: 6+54=60, Resulting Numbers: [159, 60] Generated Node #3: [159, 60] from Operation: 6+54=60 Current State: 99:[159, 60], Operations: ['96+63=159', '6+54=60'] Exploring Operation: 159-60=99, Resulting Numbers: [99] 99,99 equal: Goal Reached
4
Current State: 99:[96, 63, 6, 54], Operations: [] Exploring Operation: 63-54=9, Resulting Numbers: [96, 6, 9] Generated Node #0,0: 99:[96, 6, 9] Operation: 63-54=9 Start Sub Search at level 1: Moving to Node #0,0 Current State: 99:[96, 6, 9], Operations: ['63-54=9'] Exploring Operation: 96+6=102, Resulting Numbers: [9, 102] Generated Node #0,0,0: 99:[9, 102] Operation: 96+6=102 Moving to Node #0,0,0 Current State: 99:[9, 102], Operations: ['63-54=9', '96+6=102'] Exploring Operation: 102-9=93, Resulting Numbers: [93] 93,99 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 68, 50, 8, 84 ]
70
[ "68-8=60", "50*84=4200", "4200/60=70" ]
Current State: 70:[68, 50, 8, 84], Operations: [] Exploring Operation: 68-8=60, Resulting Numbers: [50, 84, 60] Generated Node #2: [50, 84, 60] from Operation: 68-8=60 Current State: 70:[50, 84, 60], Operations: ['68-8=60'] Exploring Operation: 50*84=4200, Resulting Numbers: [60, 4200] Generated Node #3: [60, 4200] from Operation: 50*84=4200 Current State: 70:[60, 4200], Operations: ['68-8=60', '50*84=4200'] Exploring Operation: 4200/60=70, Resulting Numbers: [70] 70,70 equal: Goal Reached
4
Current State: 70:[68, 50, 8, 84], Operations: [] Exploring Operation: 84-50=34, Resulting Numbers: [68, 8, 34] Generated Node #0,0: 70:[68, 8, 34] Operation: 84-50=34 Exploring Operation: 84-68=16, Resulting Numbers: [50, 8, 16] Generated Node #0,1: 70:[50, 8, 16] Operation: 84-68=16 Moving to Node #0,0 Current State: 70:[68, 8, 34], Operations: ['84-50=34'] Exploring Operation: 68/34=2, Resulting Numbers: [8, 2] Generated Node #0,0,0: 70:[8, 2] Operation: 68/34=2 Exploring Operation: 68-34=34, Resulting Numbers: [8, 34] Generated Node #0,0,1: 70:[8, 34] Operation: 68-34=34 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 70:[8, 2], Operations: ['84-50=34', '68/34=2'] Exploring Operation: 8-2=6, Resulting Numbers: [6] 6,70 unequal: No Solution Exploring Operation: 8+2=10, Resulting Numbers: [10] 10,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 70:[8, 34], Operations: ['84-50=34', '68-34=34'] Exploring Operation: 34-8=26, Resulting Numbers: [26] 26,70 unequal: No Solution Exploring Operation: 8+34=42, Resulting Numbers: [42] 42,70 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: 70:[50, 8, 16], Operations: ['84-68=16'] Exploring Operation: 50+16=66, Resulting Numbers: [8, 66] Generated Node #0,1,0: 70:[8, 66] Operation: 50+16=66 Exploring Operation: 50-16=34, Resulting Numbers: [8, 34] Generated Node #0,1,1: 70:[8, 34] Operation: 50-16=34 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 70:[8, 34], Operations: ['84-68=16', '50-16=34'] Exploring Operation: 8+34=42, Resulting Numbers: [42] 42,70 unequal: No Solution Exploring Operation: 34-8=26, Resulting Numbers: [26] 26,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 70:[8, 66], Operations: ['84-68=16', '50+16=66'] Exploring Operation: 66-8=58, Resulting Numbers: [58] 58,70 unequal: No Solution Exploring Operation: 8+66=74, Resulting Numbers: [74] 74,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 60, 48, 24, 15 ]
48
[ "60*24=1440", "1440/15=96", "96-48=48" ]
Current State: 48:[60, 48, 24, 15], Operations: [] Exploring Operation: 60*24=1440, Resulting Numbers: [48, 15, 1440] Generated Node #2: [48, 15, 1440] from Operation: 60*24=1440 Current State: 48:[48, 15, 1440], Operations: ['60*24=1440'] Exploring Operation: 1440/15=96, Resulting Numbers: [48, 96] Generated Node #3: [48, 96] from Operation: 1440/15=96 Current State: 48:[48, 96], Operations: ['60*24=1440', '1440/15=96'] Exploring Operation: 96-48=48, Resulting Numbers: [48] 48,48 equal: Goal Reached
4
Current State: 48:[60, 48, 24, 15], Operations: [] Exploring Operation: 60-15=45, Resulting Numbers: [48, 24, 45] Generated Node #0,0: 48:[48, 24, 45] Operation: 60-15=45 Exploring Operation: 60/15=4, Resulting Numbers: [48, 24, 4] Generated Node #0,1: 48:[48, 24, 4] Operation: 60/15=4 Exploring Operation: 60-48=12, Resulting Numbers: [24, 15, 12] Generated Node #0,2: 48:[24, 15, 12] Operation: 60-48=12 Exploring Operation: 60-24=36, Resulting Numbers: [48, 15, 36] Generated Node #0,3: 48:[48, 15, 36] Operation: 60-24=36 Moving to Node #0,1 Current State: 48:[48, 24, 4], Operations: ['60/15=4'] Exploring Operation: 48-24=24, Resulting Numbers: [4, 24] Generated Node #0,1,0: 48:[4, 24] Operation: 48-24=24 Exploring Operation: 48/24=2, Resulting Numbers: [4, 2] Generated Node #0,1,1: 48:[4, 2] Operation: 48/24=2 Exploring Operation: 48/4=12, Resulting Numbers: [24, 12] Generated Node #0,1,2: 48:[24, 12] Operation: 48/4=12 Exploring Operation: 24/4=6, Resulting Numbers: [48, 6] Generated Node #0,1,3: 48:[48, 6] Operation: 24/4=6 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 48:[4, 24], Operations: ['60/15=4', '48-24=24'] Exploring Operation: 24/4=6, Resulting Numbers: [6] 6,48 unequal: No Solution Exploring Operation: 4+24=28, Resulting Numbers: [28] 28,48 unequal: No Solution Exploring Operation: 4*24=96, Resulting Numbers: [96] 96,48 unequal: No Solution Exploring Operation: 24-4=20, Resulting Numbers: [20] 20,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 48:[4, 2], Operations: ['60/15=4', '48/24=2'] Exploring Operation: 4*2=8, Resulting Numbers: [8] 8,48 unequal: No Solution Exploring Operation: 4/2=2, Resulting Numbers: [2] 2,48 unequal: No Solution Exploring Operation: 4-2=2, Resulting Numbers: [2] 2,48 unequal: No Solution Exploring Operation: 4+2=6, Resulting Numbers: [6] 6,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 48:[24, 12], Operations: ['60/15=4', '48/4=12'] Exploring Operation: 24+12=36, Resulting Numbers: [36] 36,48 unequal: No Solution Exploring Operation: 24/12=2, Resulting Numbers: [2] 2,48 unequal: No Solution Exploring Operation: 24*12=288, Resulting Numbers: [288] 288,48 unequal: No Solution Exploring Operation: 24-12=12, Resulting Numbers: [12] 12,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 48:[48, 6], Operations: ['60/15=4', '24/4=6'] Exploring Operation: 48/6=8, Resulting Numbers: [8] 8,48 unequal: No Solution Exploring Operation: 48*6=288, Resulting Numbers: [288] 288,48 unequal: No Solution Exploring Operation: 48+6=54, Resulting Numbers: [54] 54,48 unequal: No Solution Exploring Operation: 48-6=42, Resulting Numbers: [42] 42,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 48:[24, 15, 12], Operations: ['60-48=12'] Exploring Operation: 15-12=3, Resulting Numbers: [24, 3] Generated Node #0,2,0: 48:[24, 3] Operation: 15-12=3 Exploring Operation: 24/12=2, Resulting Numbers: [15, 2] Generated Node #0,2,1: 48:[15, 2] Operation: 24/12=2 Exploring Operation: 24-15=9, Resulting Numbers: [12, 9] Generated Node #0,2,2: 48:[12, 9] Operation: 24-15=9 Exploring Operation: 24-12=12, Resulting Numbers: [15, 12] Generated Node #0,2,3: 48:[15, 12] Operation: 24-12=12 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 48:[24, 3], Operations: ['60-48=12', '15-12=3'] Exploring Operation: 24-3=21, Resulting Numbers: [21] 21,48 unequal: No Solution Exploring Operation: 24/3=8, Resulting Numbers: [8] 8,48 unequal: No Solution Exploring Operation: 24*3=72, Resulting Numbers: [72] 72,48 unequal: No Solution Exploring Operation: 24+3=27, Resulting Numbers: [27] 27,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 48:[15, 2], Operations: ['60-48=12', '24/12=2'] Exploring Operation: 15+2=17, Resulting Numbers: [17] 17,48 unequal: No Solution Exploring Operation: 15-2=13, Resulting Numbers: [13] 13,48 unequal: No Solution Exploring Operation: 15*2=30, Resulting Numbers: [30] 30,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 48:[12, 9], Operations: ['60-48=12', '24-15=9'] Exploring Operation: 12-9=3, Resulting Numbers: [3] 3,48 unequal: No Solution Exploring Operation: 12+9=21, Resulting Numbers: [21] 21,48 unequal: No Solution Exploring Operation: 12*9=108, Resulting Numbers: [108] 108,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 48:[15, 12], Operations: ['60-48=12', '24-12=12'] Exploring Operation: 15+12=27, Resulting Numbers: [27] 27,48 unequal: No Solution Exploring Operation: 15-12=3, Resulting Numbers: [3] 3,48 unequal: No Solution Exploring Operation: 15*12=180, Resulting Numbers: [180] 180,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 48:[48, 24, 45], Operations: ['60-15=45'] Exploring Operation: 48-24=24, Resulting Numbers: [45, 24] Generated Node #0,0,0: 48:[45, 24] Operation: 48-24=24 Exploring Operation: 48-45=3, Resulting Numbers: [24, 3] Generated Node #0,0,1: 48:[24, 3] Operation: 48-45=3 Exploring Operation: 48/24=2, Resulting Numbers: [45, 2] Generated Node #0,0,2: 48:[45, 2] Operation: 48/24=2 Exploring Operation: 45-24=21, Resulting Numbers: [48, 21] Generated Node #0,0,3: 48:[48, 21] Operation: 45-24=21 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 48:[24, 3], Operations: ['60-15=45', '48-45=3'] Exploring Operation: 24/3=8, Resulting Numbers: [8] 8,48 unequal: No Solution Exploring Operation: 24+3=27, Resulting Numbers: [27] 27,48 unequal: No Solution Exploring Operation: 24*3=72, Resulting Numbers: [72] 72,48 unequal: No Solution Exploring Operation: 24-3=21, Resulting Numbers: [21] 21,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 48:[45, 24], Operations: ['60-15=45', '48-24=24'] Exploring Operation: 45+24=69, Resulting Numbers: [69] 69,48 unequal: No Solution Exploring Operation: 45*24=1080, Resulting Numbers: [1080] 1080,48 unequal: No Solution Exploring Operation: 45-24=21, Resulting Numbers: [21] 21,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 48:[45, 2], Operations: ['60-15=45', '48/24=2'] Exploring Operation: 45+2=47, Resulting Numbers: [47] 47,48 unequal: No Solution Exploring Operation: 45*2=90, Resulting Numbers: [90] 90,48 unequal: No Solution Exploring Operation: 45-2=43, Resulting Numbers: [43] 43,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 48:[48, 21], Operations: ['60-15=45', '45-24=21'] Exploring Operation: 48+21=69, Resulting Numbers: [69] 69,48 unequal: No Solution Exploring Operation: 48-21=27, Resulting Numbers: [27] 27,48 unequal: No Solution Exploring Operation: 48*21=1008, Resulting Numbers: [1008] 1008,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3 Current State: 48:[48, 15, 36], Operations: ['60-24=36'] Exploring Operation: 36-15=21, Resulting Numbers: [48, 21] Generated Node #0,3,0: 48:[48, 21] Operation: 36-15=21 Exploring Operation: 15+36=51, Resulting Numbers: [48, 51] Generated Node #0,3,1: 48:[48, 51] Operation: 15+36=51 Exploring Operation: 48-15=33, Resulting Numbers: [36, 33] Generated Node #0,3,2: 48:[36, 33] Operation: 48-15=33 Exploring Operation: 48-36=12, Resulting Numbers: [15, 12] Generated Node #0,3,3: 48:[15, 12] Operation: 48-36=12 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 48:[15, 12], Operations: ['60-24=36', '48-36=12'] Exploring Operation: 15+12=27, Resulting Numbers: [27] 27,48 unequal: No Solution Exploring Operation: 15-12=3, Resulting Numbers: [3] 3,48 unequal: No Solution Exploring Operation: 15*12=180, Resulting Numbers: [180] 180,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 48:[48, 21], Operations: ['60-24=36', '36-15=21'] Exploring Operation: 48+21=69, Resulting Numbers: [69] 69,48 unequal: No Solution Exploring Operation: 48*21=1008, Resulting Numbers: [1008] 1008,48 unequal: No Solution Exploring Operation: 48-21=27, Resulting Numbers: [27] 27,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 48:[48, 51], Operations: ['60-24=36', '15+36=51'] Exploring Operation: 51-48=3, Resulting Numbers: [3] 3,48 unequal: No Solution Exploring Operation: 48*51=2448, Resulting Numbers: [2448] 2448,48 unequal: No Solution Exploring Operation: 48+51=99, Resulting Numbers: [99] 99,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 48:[36, 33], Operations: ['60-24=36', '48-15=33'] Exploring Operation: 36*33=1188, Resulting Numbers: [1188] 1188,48 unequal: No Solution Exploring Operation: 36-33=3, Resulting Numbers: [3] 3,48 unequal: No Solution Exploring Operation: 36+33=69, Resulting Numbers: [69] 69,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
sum_heuristic
[ 78, 9, 76, 48 ]
97
[ "78-9=69", "76-48=28", "69+28=97" ]
Current State: 97:[78, 9, 76, 48], Operations: [] Exploring Operation: 78-9=69, Resulting Numbers: [76, 48, 69] Generated Node #2: [76, 48, 69] from Operation: 78-9=69 Current State: 97:[76, 48, 69], Operations: ['78-9=69'] Exploring Operation: 76-48=28, Resulting Numbers: [69, 28] Generated Node #3: [69, 28] from Operation: 76-48=28 Current State: 97:[69, 28], Operations: ['78-9=69', '76-48=28'] Exploring Operation: 69+28=97, Resulting Numbers: [97] 97,97 equal: Goal Reached
4
Current State: 97:[78, 9, 76, 48], Operations: [] Exploring Operation: 78+9=87, Resulting Numbers: [76, 48, 87] Generated Node #0,0: 97:[76, 48, 87] Operation: 78+9=87 Moving to Node #0,0 Current State: 97:[76, 48, 87], Operations: ['78+9=87'] Exploring Operation: 76+48=124, Resulting Numbers: [87, 124] Generated Node #0,0,0: 97:[87, 124] Operation: 76+48=124 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 97:[87, 124], Operations: ['78+9=87', '76+48=124'] Exploring Operation: 124-87=37, Resulting Numbers: [37] 37,97 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
[ 65, 7, 37, 79 ]
16
[ "65-7=58", "79-37=42", "58-42=16" ]
Current State: 16:[65, 7, 37, 79], Operations: [] Exploring Operation: 65-7=58, Resulting Numbers: [37, 79, 58] Generated Node #2: [37, 79, 58] from Operation: 65-7=58 Current State: 16:[37, 79, 58], Operations: ['65-7=58'] Exploring Operation: 79-37=42, Resulting Numbers: [58, 42] Generated Node #3: [58, 42] from Operation: 79-37=42 Current State: 16:[58, 42], Operations: ['65-7=58', '79-37=42'] Exploring Operation: 58-42=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[65, 7, 37, 79], Operations: [] Exploring Operation: 65-7=58, Resulting Numbers: [37, 79, 58] Generated Node #0,0: 16:[37, 79, 58] Operation: 65-7=58 Exploring Operation: 79-65=14, Resulting Numbers: [7, 37, 14] Generated Node #0,1: 16:[7, 37, 14] Operation: 79-65=14 Exploring Operation: 79-37=42, Resulting Numbers: [65, 7, 42] Generated Node #0,2: 16:[65, 7, 42] Operation: 79-37=42 Exploring Operation: 65-37=28, Resulting Numbers: [7, 79, 28] Generated Node #0,3: 16:[7, 79, 28] Operation: 65-37=28 Start Sub Search at level 1: Moving to Node #0,1 Current State: 16:[7, 37, 14], Operations: ['79-65=14'] Exploring Operation: 37-7=30, Resulting Numbers: [14, 30] Generated Node #0,1,0: 16:[14, 30] Operation: 37-7=30 Exploring Operation: 14/7=2, Resulting Numbers: [37, 2] Generated Node #0,1,1: 16:[37, 2] Operation: 14/7=2 Exploring Operation: 37-14=23, Resulting Numbers: [7, 23] Generated Node #0,1,2: 16:[7, 23] Operation: 37-14=23 Exploring Operation: 14-7=7, Resulting Numbers: [37, 7] Generated Node #0,1,3: 16:[37, 7] Operation: 14-7=7 Moving to Node #0,1,2 Current State: 16:[7, 23], Operations: ['79-65=14', '37-14=23'] Exploring Operation: 7+23=30, Resulting Numbers: [30] 30,16 unequal: No Solution Exploring Operation: 23-7=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Moving to Node #0 Current State: 16:[65, 7, 37, 79], Operations: [] Exploring Operation: 79-65=14, Resulting Numbers: [7, 37, 14] Generated Node #0,1: 16:[7, 37, 14] Operation: 79-65=14 Moving to Node #0,1 Current State: 16:[7, 37, 14], Operations: ['79-65=14'] Exploring Operation: 37-14=23, Resulting Numbers: [7, 23] Generated Node #0,1,2: 16:[7, 23] Operation: 37-14=23 Moving to Node #0,1,2 Current State: 16:[7, 23], Operations: ['79-65=14', '37-14=23'] Exploring Operation: 23-7=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_4
mult_heuristic