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
[ 22, 75, 61, 38 ]
75
[ "61-22=39", "39-38=1", "75*1=75" ]
Current State: 75:[22, 75, 61, 38], Operations: [] Exploring Operation: 61-22=39, Resulting Numbers: [75, 38, 39] Generated Node #2: [75, 38, 39] from Operation: 61-22=39 Current State: 75:[75, 38, 39], Operations: ['61-22=39'] Exploring Operation: 39-38=1, Resulting Numbers: [75, 1] Generated Node #3: [75, 1] from Operation: 39-38=1 Current State: 75:[75, 1], Operations: ['61-22=39', '39-38=1'] Exploring Operation: 75*1=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
4
Current State: 75:[22, 75, 61, 38], Operations: [] Exploring Operation: 61-38=23, Resulting Numbers: [22, 75, 23] Generated Node #0,0: 75:[22, 75, 23] Operation: 61-38=23 Moving to Node #0,0 Current State: 75:[22, 75, 23], Operations: ['61-38=23'] Exploring Operation: 23-22=1, Resulting Numbers: [75, 1] Generated Node #0,0,0: 75:[75, 1] Operation: 23-22=1 Moving to Node #0,0,0 Current State: 75:[75, 1], Operations: ['61-38=23', '23-22=1'] Exploring Operation: 75*1=75, Resulting Numbers: [75] 75,75 equal: Goal Reached Moving to Node #0 Current State: 75:[22, 75, 61, 38], Operations: [] Exploring Operation: 61-38=23, Resulting Numbers: [22, 75, 23] Generated Node #0,0: 75:[22, 75, 23] Operation: 61-38=23 Moving to Node #0,0 Current State: 75:[22, 75, 23], Operations: ['61-38=23'] Exploring Operation: 23-22=1, Resulting Numbers: [75, 1] Generated Node #0,0,0: 75:[75, 1] Operation: 23-22=1 Moving to Node #0,0,0 Current State: 75:[75, 1], Operations: ['61-38=23', '23-22=1'] Exploring Operation: 75*1=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
0.993924
hs_1
sum_heuristic
[ 70, 53, 12, 1 ]
30
[ "70-53=17", "12+1=13", "17+13=30" ]
Current State: 30:[70, 53, 12, 1], Operations: [] Exploring Operation: 70-53=17, Resulting Numbers: [12, 1, 17] Generated Node #2: [12, 1, 17] from Operation: 70-53=17 Current State: 30:[12, 1, 17], Operations: ['70-53=17'] Exploring Operation: 12+1=13, Resulting Numbers: [17, 13] Generated Node #3: [17, 13] from Operation: 12+1=13 Current State: 30:[17, 13], Operations: ['70-53=17', '12+1=13'] Exploring Operation: 17+13=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
4
Current State: 30:[70, 53, 12, 1], Operations: [] Exploring Operation: 70-53=17, Resulting Numbers: [12, 1, 17] Generated Node #0,0: 30:[12, 1, 17] Operation: 70-53=17 Start Sub Search at level 1: Moving to Node #0,0 Current State: 30:[12, 1, 17], Operations: ['70-53=17'] Exploring Operation: 17-12=5, Resulting Numbers: [1, 5] Generated Node #0,0,0: 30:[1, 5] Operation: 17-12=5 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 30:[1, 5], Operations: ['70-53=17', '17-12=5'] Exploring Operation: 1+5=6, Resulting Numbers: [6] 6,30 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 46, 72, 40, 6 ]
72
[ "46+72=118", "40+6=46", "118-46=72" ]
Current State: 72:[46, 72, 40, 6], Operations: [] Exploring Operation: 46+72=118, Resulting Numbers: [40, 6, 118] Generated Node #2: [40, 6, 118] from Operation: 46+72=118 Current State: 72:[40, 6, 118], Operations: ['46+72=118'] Exploring Operation: 40+6=46, Resulting Numbers: [118, 46] Generated Node #3: [118, 46] from Operation: 40+6=46 Current State: 72:[118, 46], Operations: ['46+72=118', '40+6=46'] Exploring Operation: 118-46=72, Resulting Numbers: [72] 72,72 equal: Goal Reached
4
Current State: 72:[46, 72, 40, 6], Operations: [] Exploring Operation: 46-6=40, Resulting Numbers: [72, 40, 40] Generated Node #0,0: 72:[72, 40, 40] Operation: 46-6=40 Exploring Operation: 72-46=26, Resulting Numbers: [40, 6, 26] Generated Node #0,1: 72:[40, 6, 26] Operation: 72-46=26 Exploring Operation: 46-40=6, Resulting Numbers: [72, 6, 6] Generated Node #0,2: 72:[72, 6, 6] Operation: 46-40=6 Moving to Node #0,2 Current State: 72:[72, 6, 6], Operations: ['46-40=6'] Exploring Operation: 72/6=12, Resulting Numbers: [6, 12] Generated Node #0,2,0: 72:[6, 12] Operation: 72/6=12 Exploring Operation: 6+6=12, Resulting Numbers: [72, 12] Generated Node #0,2,1: 72:[72, 12] Operation: 6+6=12 Exploring Operation: 72/6=12, Resulting Numbers: [6, 12] Generated Node #0,2,2: 72:[6, 12] Operation: 72/6=12 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 72:[6, 12], Operations: ['46-40=6', '72/6=12'] Exploring Operation: 12-6=6, Resulting Numbers: [6] 6,72 unequal: No Solution Exploring Operation: 6*12=72, Resulting Numbers: [72] 72,72 equal: Goal Reached Moving to Node #0 Current State: 72:[46, 72, 40, 6], Operations: [] Exploring Operation: 46-40=6, Resulting Numbers: [72, 6, 6] Generated Node #0,2: 72:[72, 6, 6] Operation: 46-40=6 Moving to Node #0,2 Current State: 72:[72, 6, 6], Operations: ['46-40=6'] Exploring Operation: 72/6=12, Resulting Numbers: [6, 12] Generated Node #0,2,0: 72:[6, 12] Operation: 72/6=12 Moving to Node #0,2,0 Current State: 72:[6, 12], Operations: ['46-40=6', '72/6=12'] Exploring Operation: 6*12=72, Resulting Numbers: [72] 72,72 equal: Goal Reached Exit Sub Search at level 1
0.989583
hs_3
sum_heuristic
[ 57, 61, 77, 69 ]
12
[ "61-57=4", "77-69=8", "4+8=12" ]
Current State: 12:[57, 61, 77, 69], Operations: [] Exploring Operation: 61-57=4, Resulting Numbers: [77, 69, 4] Generated Node #2: [77, 69, 4] from Operation: 61-57=4 Current State: 12:[77, 69, 4], Operations: ['61-57=4'] Exploring Operation: 77-69=8, Resulting Numbers: [4, 8] Generated Node #3: [4, 8] from Operation: 77-69=8 Current State: 12:[4, 8], Operations: ['61-57=4', '77-69=8'] Exploring Operation: 4+8=12, Resulting Numbers: [12] 12,12 equal: Goal Reached
4
Current State: 12:[57, 61, 77, 69], Operations: [] Exploring Operation: 77-69=8, Resulting Numbers: [57, 61, 8] Generated Node #0,0: 12:[57, 61, 8] Operation: 77-69=8 Exploring Operation: 69-61=8, Resulting Numbers: [57, 77, 8] Generated Node #0,1: 12:[57, 77, 8] Operation: 69-61=8 Exploring Operation: 77-61=16, Resulting Numbers: [57, 69, 16] Generated Node #0,2: 12:[57, 69, 16] Operation: 77-61=16 Start Sub Search at level 1: Moving to Node #0,0 Current State: 12:[57, 61, 8], Operations: ['77-69=8'] Exploring Operation: 61-57=4, Resulting Numbers: [8, 4] Generated Node #0,0,0: 12:[8, 4] Operation: 61-57=4 Exploring Operation: 61-8=53, Resulting Numbers: [57, 53] Generated Node #0,0,1: 12:[57, 53] Operation: 61-8=53 Exploring Operation: 57-8=49, Resulting Numbers: [61, 49] Generated Node #0,0,2: 12:[61, 49] Operation: 57-8=49 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 12:[8, 4], Operations: ['77-69=8', '61-57=4'] Exploring Operation: 8+4=12, Resulting Numbers: [12] 12,12 equal: Goal Reached Moving to Node #0 Current State: 12:[57, 61, 77, 69], Operations: [] Exploring Operation: 77-69=8, Resulting Numbers: [57, 61, 8] Generated Node #0,0: 12:[57, 61, 8] Operation: 77-69=8 Moving to Node #0,0 Current State: 12:[57, 61, 8], Operations: ['77-69=8'] Exploring Operation: 61-57=4, Resulting Numbers: [8, 4] Generated Node #0,0,0: 12:[8, 4] Operation: 61-57=4 Moving to Node #0,0,0 Current State: 12:[8, 4], Operations: ['77-69=8', '61-57=4'] Exploring Operation: 8+4=12, Resulting Numbers: [12] 12,12 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.990451
hs_3
sum_heuristic
[ 3, 60, 43, 26 ]
27
[ "60-43=17", "26-17=9", "3*9=27" ]
Current State: 27:[3, 60, 43, 26], Operations: [] Exploring Operation: 60-43=17, Resulting Numbers: [3, 26, 17] Generated Node #2: [3, 26, 17] from Operation: 60-43=17 Current State: 27:[3, 26, 17], Operations: ['60-43=17'] Exploring Operation: 26-17=9, Resulting Numbers: [3, 9] Generated Node #3: [3, 9] from Operation: 26-17=9 Current State: 27:[3, 9], Operations: ['60-43=17', '26-17=9'] Exploring Operation: 3*9=27, Resulting Numbers: [27] 27,27 equal: Goal Reached
4
Current State: 27:[3, 60, 43, 26], Operations: [] Exploring Operation: 60-26=34, Resulting Numbers: [3, 43, 34] Generated Node #0,0: 27:[3, 43, 34] Operation: 60-26=34 Exploring Operation: 60-3=57, Resulting Numbers: [43, 26, 57] Generated Node #0,1: 27:[43, 26, 57] Operation: 60-3=57 Exploring Operation: 60-43=17, Resulting Numbers: [3, 26, 17] Generated Node #0,2: 27:[3, 26, 17] Operation: 60-43=17 Exploring Operation: 60/3=20, Resulting Numbers: [43, 26, 20] Generated Node #0,3: 27:[43, 26, 20] Operation: 60/3=20 Exploring Operation: 43-26=17, Resulting Numbers: [3, 60, 17] Generated Node #0,4: 27:[3, 60, 17] Operation: 43-26=17 Start Sub Search at level 1: Moving to Node #0,2 Current State: 27:[3, 26, 17], Operations: ['60-43=17'] Exploring Operation: 26-17=9, Resulting Numbers: [3, 9] Generated Node #0,2,0: 27:[3, 9] Operation: 26-17=9 Exploring Operation: 3+17=20, Resulting Numbers: [26, 20] Generated Node #0,2,1: 27:[26, 20] Operation: 3+17=20 Exploring Operation: 17-3=14, Resulting Numbers: [26, 14] Generated Node #0,2,2: 27:[26, 14] Operation: 17-3=14 Exploring Operation: 3+26=29, Resulting Numbers: [17, 29] Generated Node #0,2,3: 27:[17, 29] Operation: 3+26=29 Exploring Operation: 26-3=23, Resulting Numbers: [17, 23] Generated Node #0,2,4: 27:[17, 23] Operation: 26-3=23 Moving to Node #0,2,0 Current State: 27:[3, 9], Operations: ['60-43=17', '26-17=9'] Exploring Operation: 9/3=3, Resulting Numbers: [3] 3,27 unequal: No Solution Exploring Operation: 9-3=6, Resulting Numbers: [6] 6,27 unequal: No Solution Exploring Operation: 3+9=12, Resulting Numbers: [12] 12,27 unequal: No Solution Exploring Operation: 3*9=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Moving to Node #0 Current State: 27:[3, 60, 43, 26], Operations: [] Exploring Operation: 60-43=17, Resulting Numbers: [3, 26, 17] Generated Node #0,2: 27:[3, 26, 17] Operation: 60-43=17 Moving to Node #0,2 Current State: 27:[3, 26, 17], Operations: ['60-43=17'] Exploring Operation: 26-17=9, Resulting Numbers: [3, 9] Generated Node #0,2,0: 27:[3, 9] Operation: 26-17=9 Moving to Node #0,2,0 Current State: 27:[3, 9], Operations: ['60-43=17', '26-17=9'] Exploring Operation: 3*9=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_5
sum_heuristic
[ 4, 12, 54, 14 ]
98
[ "4*14=56", "54-12=42", "56+42=98" ]
Current State: 98:[4, 12, 54, 14], Operations: [] Exploring Operation: 4*14=56, Resulting Numbers: [12, 54, 56] Generated Node #2: [12, 54, 56] from Operation: 4*14=56 Current State: 98:[12, 54, 56], Operations: ['4*14=56'] Exploring Operation: 54-12=42, Resulting Numbers: [56, 42] Generated Node #3: [56, 42] from Operation: 54-12=42 Current State: 98:[56, 42], Operations: ['4*14=56', '54-12=42'] Exploring Operation: 56+42=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
4
Current State: 98:[4, 12, 54, 14], Operations: [] Exploring Operation: 4*12=48, Resulting Numbers: [54, 14, 48] Generated Node #0,0: 98:[54, 14, 48] Operation: 4*12=48 Exploring Operation: 54-4=50, Resulting Numbers: [12, 14, 50] Generated Node #0,1: 98:[12, 14, 50] Operation: 54-4=50 Exploring Operation: 12-4=8, Resulting Numbers: [54, 14, 8] Generated Node #0,2: 98:[54, 14, 8] Operation: 12-4=8 Exploring Operation: 12/4=3, Resulting Numbers: [54, 14, 3] Generated Node #0,3: 98:[54, 14, 3] Operation: 12/4=3 Exploring Operation: 4+12=16, Resulting Numbers: [54, 14, 16] Generated Node #0,4: 98:[54, 14, 16] Operation: 4+12=16 Moving to Node #0,1 Current State: 98:[12, 14, 50], Operations: ['54-4=50'] Exploring Operation: 14-12=2, Resulting Numbers: [50, 2] Generated Node #0,1,0: 98:[50, 2] Operation: 14-12=2 Exploring Operation: 50-14=36, Resulting Numbers: [12, 36] Generated Node #0,1,1: 98:[12, 36] Operation: 50-14=36 Exploring Operation: 50-12=38, Resulting Numbers: [14, 38] Generated Node #0,1,2: 98:[14, 38] Operation: 50-12=38 Exploring Operation: 12+14=26, Resulting Numbers: [50, 26] Generated Node #0,1,3: 98:[50, 26] Operation: 12+14=26 Exploring Operation: 12+50=62, Resulting Numbers: [14, 62] Generated Node #0,1,4: 98:[14, 62] Operation: 12+50=62 Moving to Node #0,2 Current State: 98:[54, 14, 8], Operations: ['12-4=8'] Exploring Operation: 54-8=46, Resulting Numbers: [14, 46] Generated Node #0,2,0: 98:[14, 46] Operation: 54-8=46 Exploring Operation: 54-14=40, Resulting Numbers: [8, 40] Generated Node #0,2,1: 98:[8, 40] Operation: 54-14=40 Exploring Operation: 14+8=22, Resulting Numbers: [54, 22] Generated Node #0,2,2: 98:[54, 22] Operation: 14+8=22 Exploring Operation: 54+8=62, Resulting Numbers: [14, 62] Generated Node #0,2,3: 98:[14, 62] Operation: 54+8=62 Exploring Operation: 14-8=6, Resulting Numbers: [54, 6] Generated Node #0,2,4: 98:[54, 6] Operation: 14-8=6 Moving to Node #0,0 Current State: 98:[54, 14, 48], Operations: ['4*12=48'] Exploring Operation: 54+48=102, Resulting Numbers: [14, 102] Generated Node #0,0,0: 98:[14, 102] Operation: 54+48=102 Exploring Operation: 54-14=40, Resulting Numbers: [48, 40] Generated Node #0,0,1: 98:[48, 40] Operation: 54-14=40 Exploring Operation: 54-48=6, Resulting Numbers: [14, 6] Generated Node #0,0,2: 98:[14, 6] Operation: 54-48=6 Exploring Operation: 14+48=62, Resulting Numbers: [54, 62] Generated Node #0,0,3: 98:[54, 62] Operation: 14+48=62 Exploring Operation: 54+14=68, Resulting Numbers: [48, 68] Generated Node #0,0,4: 98:[48, 68] Operation: 54+14=68 Moving to Node #0,3 Current State: 98:[54, 14, 3], Operations: ['12/4=3'] Exploring Operation: 14-3=11, Resulting Numbers: [54, 11] Generated Node #0,3,0: 98:[54, 11] Operation: 14-3=11 Exploring Operation: 14+3=17, Resulting Numbers: [54, 17] Generated Node #0,3,1: 98:[54, 17] Operation: 14+3=17 Exploring Operation: 54-3=51, Resulting Numbers: [14, 51] Generated Node #0,3,2: 98:[14, 51] Operation: 54-3=51 Exploring Operation: 54+3=57, Resulting Numbers: [14, 57] Generated Node #0,3,3: 98:[14, 57] Operation: 54+3=57 Exploring Operation: 54/3=18, Resulting Numbers: [14, 18] Generated Node #0,3,4: 98:[14, 18] Operation: 54/3=18 Moving to Node #0,4 Current State: 98:[54, 14, 16], Operations: ['4+12=16'] Exploring Operation: 16-14=2, Resulting Numbers: [54, 2] Generated Node #0,4,0: 98:[54, 2] Operation: 16-14=2 Exploring Operation: 54+16=70, Resulting Numbers: [14, 70] Generated Node #0,4,1: 98:[14, 70] Operation: 54+16=70 Exploring Operation: 54-14=40, Resulting Numbers: [16, 40] Generated Node #0,4,2: 98:[16, 40] Operation: 54-14=40 Exploring Operation: 54+14=68, Resulting Numbers: [16, 68] Generated Node #0,4,3: 98:[16, 68] Operation: 54+14=68 Exploring Operation: 54-16=38, Resulting Numbers: [14, 38] Generated Node #0,4,4: 98:[14, 38] Operation: 54-16=38 Moving to Node #0,1,0 Current State: 98:[50, 2], Operations: ['54-4=50', '14-12=2'] Exploring Operation: 50*2=100, Resulting Numbers: [100] 100,98 unequal: No Solution Exploring Operation: 50+2=52, Resulting Numbers: [52] 52,98 unequal: No Solution Exploring Operation: 50/2=25, Resulting Numbers: [25] 25,98 unequal: No Solution Exploring Operation: 50-2=48, Resulting Numbers: [48] 48,98 unequal: No Solution Moving to Node #0,0,2 Current State: 98:[14, 6], Operations: ['4*12=48', '54-48=6'] Exploring Operation: 14-6=8, Resulting Numbers: [8] 8,98 unequal: No Solution Exploring Operation: 14*6=84, Resulting Numbers: [84] 84,98 unequal: No Solution Exploring Operation: 14+6=20, Resulting Numbers: [20] 20,98 unequal: No Solution Moving to Node #0,3,2 Current State: 98:[14, 51], Operations: ['12/4=3', '54-3=51'] Exploring Operation: 14*51=714, Resulting Numbers: [714] 714,98 unequal: No Solution Exploring Operation: 51-14=37, Resulting Numbers: [37] 37,98 unequal: No Solution Exploring Operation: 14+51=65, Resulting Numbers: [65] 65,98 unequal: No Solution Moving to Node #0,2,0 Current State: 98:[14, 46], Operations: ['12-4=8', '54-8=46'] Exploring Operation: 46-14=32, Resulting Numbers: [32] 32,98 unequal: No Solution Exploring Operation: 14+46=60, Resulting Numbers: [60] 60,98 unequal: No Solution Exploring Operation: 14*46=644, Resulting Numbers: [644] 644,98 unequal: No Solution Moving to Node #0,0,0 Current State: 98:[14, 102], Operations: ['4*12=48', '54+48=102'] Exploring Operation: 14*102=1428, Resulting Numbers: [1428] 1428,98 unequal: No Solution Exploring Operation: 14+102=116, Resulting Numbers: [116] 116,98 unequal: No Solution Exploring Operation: 102-14=88, Resulting Numbers: [88] 88,98 unequal: No Solution Moving to Node #0,3,4 Current State: 98:[14, 18], Operations: ['12/4=3', '54/3=18'] Exploring Operation: 14*18=252, Resulting Numbers: [252] 252,98 unequal: No Solution Exploring Operation: 18-14=4, Resulting Numbers: [4] 4,98 unequal: No Solution Exploring Operation: 14+18=32, Resulting Numbers: [32] 32,98 unequal: No Solution Moving to Node #0,4,0 Current State: 98:[54, 2], Operations: ['4+12=16', '16-14=2'] Exploring Operation: 54+2=56, Resulting Numbers: [56] 56,98 unequal: No Solution Exploring Operation: 54*2=108, Resulting Numbers: [108] 108,98 unequal: No Solution Exploring Operation: 54-2=52, Resulting Numbers: [52] 52,98 unequal: No Solution Exploring Operation: 54/2=27, Resulting Numbers: [27] 27,98 unequal: No Solution Moving to Node #0,2,4 Current State: 98:[54, 6], Operations: ['12-4=8', '14-8=6'] Exploring Operation: 54-6=48, Resulting Numbers: [48] 48,98 unequal: No Solution Exploring Operation: 54*6=324, Resulting Numbers: [324] 324,98 unequal: No Solution Exploring Operation: 54/6=9, Resulting Numbers: [9] 9,98 unequal: No Solution Exploring Operation: 54+6=60, Resulting Numbers: [60] 60,98 unequal: No Solution Moving to Node #0,3,3 Current State: 98:[14, 57], Operations: ['12/4=3', '54+3=57'] Exploring Operation: 14+57=71, Resulting Numbers: [71] 71,98 unequal: No Solution Exploring Operation: 14*57=798, Resulting Numbers: [798] 798,98 unequal: No Solution Exploring Operation: 57-14=43, Resulting Numbers: [43] 43,98 unequal: No Solution Moving to Node #0,3,0 Current State: 98:[54, 11], Operations: ['12/4=3', '14-3=11'] Exploring Operation: 54-11=43, Resulting Numbers: [43] 43,98 unequal: No Solution Exploring Operation: 54+11=65, Resulting Numbers: [65] 65,98 unequal: No Solution Exploring Operation: 54*11=594, Resulting Numbers: [594] 594,98 unequal: No Solution Moving to Node #0,3,1 Current State: 98:[54, 17], Operations: ['12/4=3', '14+3=17'] Exploring Operation: 54*17=918, Resulting Numbers: [918] 918,98 unequal: No Solution Exploring Operation: 54+17=71, Resulting Numbers: [71] 71,98 unequal: No Solution Exploring Operation: 54-17=37, Resulting Numbers: [37] 37,98 unequal: No Solution Moving to Node #0,0,1 Current State: 98:[48, 40], Operations: ['4*12=48', '54-14=40'] Exploring Operation: 48-40=8, Resulting Numbers: [8] 8,98 unequal: No Solution Exploring Operation: 48*40=1920, Resulting Numbers: [1920] 1920,98 unequal: No Solution Exploring Operation: 48+40=88, Resulting Numbers: [88] 88,98 unequal: No Solution Moving to Node #0,2,1 Current State: 98:[8, 40], Operations: ['12-4=8', '54-14=40'] Exploring Operation: 8*40=320, Resulting Numbers: [320] 320,98 unequal: No Solution Exploring Operation: 8+40=48, Resulting Numbers: [48] 48,98 unequal: No Solution Exploring Operation: 40/8=5, Resulting Numbers: [5] 5,98 unequal: No Solution Exploring Operation: 40-8=32, Resulting Numbers: [32] 32,98 unequal: No Solution Moving to Node #0,4,4 Current State: 98:[14, 38], Operations: ['4+12=16', '54-16=38'] Exploring Operation: 14+38=52, Resulting Numbers: [52] 52,98 unequal: No Solution Exploring Operation: 14*38=532, Resulting Numbers: [532] 532,98 unequal: No Solution Exploring Operation: 38-14=24, Resulting Numbers: [24] 24,98 unequal: No Solution Moving to Node #0,4,2 Current State: 98:[16, 40], Operations: ['4+12=16', '54-14=40'] Exploring Operation: 40-16=24, Resulting Numbers: [24] 24,98 unequal: No Solution Exploring Operation: 16+40=56, Resulting Numbers: [56] 56,98 unequal: No Solution Exploring Operation: 16*40=640, Resulting Numbers: [640] 640,98 unequal: No Solution Moving to Node #0,1,2 Current State: 98:[14, 38], Operations: ['54-4=50', '50-12=38'] Exploring Operation: 14+38=52, Resulting Numbers: [52] 52,98 unequal: No Solution Exploring Operation: 38-14=24, Resulting Numbers: [24] 24,98 unequal: No Solution Exploring Operation: 14*38=532, Resulting Numbers: [532] 532,98 unequal: No Solution Moving to Node #0,2,3 Current State: 98:[14, 62], Operations: ['12-4=8', '54+8=62'] Exploring Operation: 62-14=48, Resulting Numbers: [48] 48,98 unequal: No Solution Exploring Operation: 14+62=76, Resulting Numbers: [76] 76,98 unequal: No Solution Exploring Operation: 14*62=868, Resulting Numbers: [868] 868,98 unequal: No Solution Moving to Node #0,1,3 Current State: 98:[50, 26], Operations: ['54-4=50', '12+14=26'] Exploring Operation: 50*26=1300, Resulting Numbers: [1300] 1300,98 unequal: No Solution Exploring Operation: 50+26=76, Resulting Numbers: [76] 76,98 unequal: No Solution Exploring Operation: 50-26=24, Resulting Numbers: [24] 24,98 unequal: No Solution Moving to Node #0,2,2 Current State: 98:[54, 22], Operations: ['12-4=8', '14+8=22'] Exploring Operation: 54+22=76, Resulting Numbers: [76] 76,98 unequal: No Solution Exploring Operation: 54-22=32, Resulting Numbers: [32] 32,98 unequal: No Solution Exploring Operation: 54*22=1188, Resulting Numbers: [1188] 1188,98 unequal: No Solution Moving to Node #0,1,4 Current State: 98:[14, 62], Operations: ['54-4=50', '12+50=62'] Exploring Operation: 14+62=76, Resulting Numbers: [76] 76,98 unequal: No Solution Exploring Operation: 14*62=868, Resulting Numbers: [868] 868,98 unequal: No Solution Exploring Operation: 62-14=48, Resulting Numbers: [48] 48,98 unequal: No Solution Moving to Node #0,1,1 Current State: 98:[12, 36], Operations: ['54-4=50', '50-14=36'] Exploring Operation: 12*36=432, Resulting Numbers: [432] 432,98 unequal: No Solution Exploring Operation: 36-12=24, Resulting Numbers: [24] 24,98 unequal: No Solution Exploring Operation: 12+36=48, Resulting Numbers: [48] 48,98 unequal: No Solution Exploring Operation: 36/12=3, Resulting Numbers: [3] 3,98 unequal: No Solution Moving to Node #0,0,3 Current State: 98:[54, 62], Operations: ['4*12=48', '14+48=62'] Exploring Operation: 54+62=116, Resulting Numbers: [116] 116,98 unequal: No Solution Exploring Operation: 54*62=3348, Resulting Numbers: [3348] 3348,98 unequal: No Solution Exploring Operation: 62-54=8, Resulting Numbers: [8] 8,98 unequal: No Solution Moving to Node #0,0,4 Current State: 98:[48, 68], Operations: ['4*12=48', '54+14=68'] Exploring Operation: 68-48=20, Resulting Numbers: [20] 20,98 unequal: No Solution Exploring Operation: 48+68=116, Resulting Numbers: [116] 116,98 unequal: No Solution Exploring Operation: 48*68=3264, Resulting Numbers: [3264] 3264,98 unequal: No Solution Moving to Node #0,4,3 Current State: 98:[16, 68], Operations: ['4+12=16', '54+14=68'] Exploring Operation: 16+68=84, Resulting Numbers: [84] 84,98 unequal: No Solution Exploring Operation: 68-16=52, Resulting Numbers: [52] 52,98 unequal: No Solution Exploring Operation: 16*68=1088, Resulting Numbers: [1088] 1088,98 unequal: No Solution Moving to Node #0,4,1 Current State: 98:[14, 70], Operations: ['4+12=16', '54+16=70'] Exploring Operation: 70/14=5, Resulting Numbers: [5] 5,98 unequal: No Solution Exploring Operation: 70-14=56, Resulting Numbers: [56] 56,98 unequal: No Solution Exploring Operation: 14*70=980, Resulting Numbers: [980] 980,98 unequal: No Solution Exploring Operation: 14+70=84, Resulting Numbers: [84] 84,98 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 87, 39, 29, 14 ]
87
[ "87*14=1218", "39*29=1131", "1218-1131=87" ]
Current State: 87:[87, 39, 29, 14], Operations: [] Exploring Operation: 87*14=1218, Resulting Numbers: [39, 29, 1218] Generated Node #2: [39, 29, 1218] from Operation: 87*14=1218 Current State: 87:[39, 29, 1218], Operations: ['87*14=1218'] Exploring Operation: 39*29=1131, Resulting Numbers: [1218, 1131] Generated Node #3: [1218, 1131] from Operation: 39*29=1131 Current State: 87:[1218, 1131], Operations: ['87*14=1218', '39*29=1131'] Exploring Operation: 1218-1131=87, Resulting Numbers: [87] 87,87 equal: Goal Reached
4
Current State: 87:[87, 39, 29, 14], Operations: [] Exploring Operation: 29-14=15, Resulting Numbers: [87, 39, 15] Generated Node #0,0: 87:[87, 39, 15] Operation: 29-14=15 Exploring Operation: 39-14=25, Resulting Numbers: [87, 29, 25] Generated Node #0,1: 87:[87, 29, 25] Operation: 39-14=25 Exploring Operation: 87/29=3, Resulting Numbers: [39, 14, 3] Generated Node #0,2: 87:[39, 14, 3] Operation: 87/29=3 Exploring Operation: 39-29=10, Resulting Numbers: [87, 14, 10] Generated Node #0,3: 87:[87, 14, 10] Operation: 39-29=10 Exploring Operation: 87+14=101, Resulting Numbers: [39, 29, 101] Generated Node #0,4: 87:[39, 29, 101] Operation: 87+14=101 Moving to Node #0,1 Current State: 87:[87, 29, 25], Operations: ['39-14=25'] Exploring Operation: 87+25=112, Resulting Numbers: [29, 112] Generated Node #0,1,0: 87:[29, 112] Operation: 87+25=112 Exploring Operation: 29-25=4, Resulting Numbers: [87, 4] Generated Node #0,1,1: 87:[87, 4] Operation: 29-25=4 Exploring Operation: 87-25=62, Resulting Numbers: [29, 62] Generated Node #0,1,2: 87:[29, 62] Operation: 87-25=62 Exploring Operation: 29+25=54, Resulting Numbers: [87, 54] Generated Node #0,1,3: 87:[87, 54] Operation: 29+25=54 Exploring Operation: 87/29=3, Resulting Numbers: [25, 3] Generated Node #0,1,4: 87:[25, 3] Operation: 87/29=3 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 87:[87, 4], Operations: ['39-14=25', '29-25=4'] Exploring Operation: 87*4=348, Resulting Numbers: [348] 348,87 unequal: No Solution Exploring Operation: 87+4=91, Resulting Numbers: [91] 91,87 unequal: No Solution Exploring Operation: 87-4=83, Resulting Numbers: [83] 83,87 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 87:[25, 3], Operations: ['39-14=25', '87/29=3'] Exploring Operation: 25-3=22, Resulting Numbers: [22] 22,87 unequal: No Solution Exploring Operation: 25+3=28, Resulting Numbers: [28] 28,87 unequal: No Solution Exploring Operation: 25*3=75, Resulting Numbers: [75] 75,87 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 87:[29, 112], Operations: ['39-14=25', '87+25=112'] Exploring Operation: 112-29=83, Resulting Numbers: [83] 83,87 unequal: No Solution Exploring Operation: 29*112=3248, Resulting Numbers: [3248] 3248,87 unequal: No Solution Exploring Operation: 29+112=141, Resulting Numbers: [141] 141,87 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 87:[29, 62], Operations: ['39-14=25', '87-25=62'] Exploring Operation: 29*62=1798, Resulting Numbers: [1798] 1798,87 unequal: No Solution Exploring Operation: 62-29=33, Resulting Numbers: [33] 33,87 unequal: No Solution Exploring Operation: 29+62=91, Resulting Numbers: [91] 91,87 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 87:[87, 54], Operations: ['39-14=25', '29+25=54'] Exploring Operation: 87-54=33, Resulting Numbers: [33] 33,87 unequal: No Solution Exploring Operation: 87*54=4698, Resulting Numbers: [4698] 4698,87 unequal: No Solution Exploring Operation: 87+54=141, Resulting Numbers: [141] 141,87 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: 87:[87, 14, 10], Operations: ['39-29=10'] Exploring Operation: 14-10=4, Resulting Numbers: [87, 4] Generated Node #0,3,0: 87:[87, 4] Operation: 14-10=4 Exploring Operation: 87+14=101, Resulting Numbers: [10, 101] Generated Node #0,3,1: 87:[10, 101] Operation: 87+14=101 Exploring Operation: 87-14=73, Resulting Numbers: [10, 73] Generated Node #0,3,2: 87:[10, 73] Operation: 87-14=73 Exploring Operation: 87+10=97, Resulting Numbers: [14, 97] Generated Node #0,3,3: 87:[14, 97] Operation: 87+10=97 Exploring Operation: 14+10=24, Resulting Numbers: [87, 24] Generated Node #0,3,4: 87:[87, 24] Operation: 14+10=24 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 87:[87, 4], Operations: ['39-29=10', '14-10=4'] Exploring Operation: 87-4=83, Resulting Numbers: [83] 83,87 unequal: No Solution Exploring Operation: 87*4=348, Resulting Numbers: [348] 348,87 unequal: No Solution Exploring Operation: 87+4=91, Resulting Numbers: [91] 91,87 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 87:[87, 24], Operations: ['39-29=10', '14+10=24'] Exploring Operation: 87+24=111, Resulting Numbers: [111] 111,87 unequal: No Solution Exploring Operation: 87-24=63, Resulting Numbers: [63] 63,87 unequal: No Solution Exploring Operation: 87*24=2088, Resulting Numbers: [2088] 2088,87 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 87:[10, 101], Operations: ['39-29=10', '87+14=101'] Exploring Operation: 101-10=91, Resulting Numbers: [91] 91,87 unequal: No Solution Exploring Operation: 10+101=111, Resulting Numbers: [111] 111,87 unequal: No Solution Exploring Operation: 10*101=1010, Resulting Numbers: [1010] 1010,87 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 87:[10, 73], Operations: ['39-29=10', '87-14=73'] Exploring Operation: 73-10=63, Resulting Numbers: [63] 63,87 unequal: No Solution Exploring Operation: 10*73=730, Resulting Numbers: [730] 730,87 unequal: No Solution Exploring Operation: 10+73=83, Resulting Numbers: [83] 83,87 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 87:[14, 97], Operations: ['39-29=10', '87+10=97'] Exploring Operation: 14*97=1358, Resulting Numbers: [1358] 1358,87 unequal: No Solution Exploring Operation: 97-14=83, Resulting Numbers: [83] 83,87 unequal: No Solution Exploring Operation: 14+97=111, Resulting Numbers: [111] 111,87 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: 87:[39, 14, 3], Operations: ['87/29=3'] Exploring Operation: 14-3=11, Resulting Numbers: [39, 11] Generated Node #0,2,0: 87:[39, 11] Operation: 14-3=11 Exploring Operation: 14+3=17, Resulting Numbers: [39, 17] Generated Node #0,2,1: 87:[39, 17] Operation: 14+3=17 Exploring Operation: 39-3=36, Resulting Numbers: [14, 36] Generated Node #0,2,2: 87:[14, 36] Operation: 39-3=36 Exploring Operation: 39/3=13, Resulting Numbers: [14, 13] Generated Node #0,2,3: 87:[14, 13] Operation: 39/3=13 Exploring Operation: 39-14=25, Resulting Numbers: [3, 25] Generated Node #0,2,4: 87:[3, 25] Operation: 39-14=25 Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 87:[3, 25], Operations: ['87/29=3', '39-14=25'] Exploring Operation: 3+25=28, Resulting Numbers: [28] 28,87 unequal: No Solution Exploring Operation: 3*25=75, Resulting Numbers: [75] 75,87 unequal: No Solution Exploring Operation: 25-3=22, Resulting Numbers: [22] 22,87 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 87:[39, 11], Operations: ['87/29=3', '14-3=11'] Exploring Operation: 39*11=429, Resulting Numbers: [429] 429,87 unequal: No Solution Exploring Operation: 39-11=28, Resulting Numbers: [28] 28,87 unequal: No Solution Exploring Operation: 39+11=50, Resulting Numbers: [50] 50,87 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 87:[14, 36], Operations: ['87/29=3', '39-3=36'] Exploring Operation: 14+36=50, Resulting Numbers: [50] 50,87 unequal: No Solution Exploring Operation: 14*36=504, Resulting Numbers: [504] 504,87 unequal: No Solution Exploring Operation: 36-14=22, Resulting Numbers: [22] 22,87 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 87:[14, 13], Operations: ['87/29=3', '39/3=13'] Exploring Operation: 14-13=1, Resulting Numbers: [1] 1,87 unequal: No Solution Exploring Operation: 14*13=182, Resulting Numbers: [182] 182,87 unequal: No Solution Exploring Operation: 14+13=27, Resulting Numbers: [27] 27,87 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 87:[39, 17], Operations: ['87/29=3', '14+3=17'] Exploring Operation: 39*17=663, Resulting Numbers: [663] 663,87 unequal: No Solution Exploring Operation: 39-17=22, Resulting Numbers: [22] 22,87 unequal: No Solution Exploring Operation: 39+17=56, Resulting Numbers: [56] 56,87 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: 87:[87, 39, 15], Operations: ['29-14=15'] Exploring Operation: 87+15=102, Resulting Numbers: [39, 102] Generated Node #0,0,0: 87:[39, 102] Operation: 87+15=102 Exploring Operation: 39+15=54, Resulting Numbers: [87, 54] Generated Node #0,0,1: 87:[87, 54] Operation: 39+15=54 Exploring Operation: 87-39=48, Resulting Numbers: [15, 48] Generated Node #0,0,2: 87:[15, 48] Operation: 87-39=48 Exploring Operation: 87-15=72, Resulting Numbers: [39, 72] Generated Node #0,0,3: 87:[39, 72] Operation: 87-15=72 Exploring Operation: 39-15=24, Resulting Numbers: [87, 24] Generated Node #0,0,4: 87:[87, 24] Operation: 39-15=24 Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 87:[87, 24], Operations: ['29-14=15', '39-15=24'] Exploring Operation: 87+24=111, Resulting Numbers: [111] 111,87 unequal: No Solution Exploring Operation: 87*24=2088, Resulting Numbers: [2088] 2088,87 unequal: No Solution Exploring Operation: 87-24=63, Resulting Numbers: [63] 63,87 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 87:[39, 102], Operations: ['29-14=15', '87+15=102'] Exploring Operation: 39+102=141, Resulting Numbers: [141] 141,87 unequal: No Solution Exploring Operation: 39*102=3978, Resulting Numbers: [3978] 3978,87 unequal: No Solution Exploring Operation: 102-39=63, Resulting Numbers: [63] 63,87 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 87:[87, 54], Operations: ['29-14=15', '39+15=54'] Exploring Operation: 87+54=141, Resulting Numbers: [141] 141,87 unequal: No Solution Exploring Operation: 87*54=4698, Resulting Numbers: [4698] 4698,87 unequal: No Solution Exploring Operation: 87-54=33, Resulting Numbers: [33] 33,87 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 87:[39, 72], Operations: ['29-14=15', '87-15=72'] Exploring Operation: 72-39=33, Resulting Numbers: [33] 33,87 unequal: No Solution Exploring Operation: 39+72=111, Resulting Numbers: [111] 111,87 unequal: No Solution Exploring Operation: 39*72=2808, Resulting Numbers: [2808] 2808,87 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 87:[15, 48], Operations: ['29-14=15', '87-39=48'] Exploring Operation: 48-15=33, Resulting Numbers: [33] 33,87 unequal: No Solution Exploring Operation: 15*48=720, Resulting Numbers: [720] 720,87 unequal: No Solution Exploring Operation: 15+48=63, Resulting Numbers: [63] 63,87 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: 87:[39, 29, 101], Operations: ['87+14=101'] Exploring Operation: 101-29=72, Resulting Numbers: [39, 72] Generated Node #0,4,0: 87:[39, 72] Operation: 101-29=72 Exploring Operation: 39-29=10, Resulting Numbers: [101, 10] Generated Node #0,4,1: 87:[101, 10] Operation: 39-29=10 Exploring Operation: 101-39=62, Resulting Numbers: [29, 62] Generated Node #0,4,2: 87:[29, 62] Operation: 101-39=62 Exploring Operation: 39+29=68, Resulting Numbers: [101, 68] Generated Node #0,4,3: 87:[101, 68] Operation: 39+29=68 Exploring Operation: 39+101=140, Resulting Numbers: [29, 140] Generated Node #0,4,4: 87:[29, 140] Operation: 39+101=140 Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 87:[101, 10], Operations: ['87+14=101', '39-29=10'] Exploring Operation: 101*10=1010, Resulting Numbers: [1010] 1010,87 unequal: No Solution Exploring Operation: 101+10=111, Resulting Numbers: [111] 111,87 unequal: No Solution Exploring Operation: 101-10=91, Resulting Numbers: [91] 91,87 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 87:[39, 72], Operations: ['87+14=101', '101-29=72'] Exploring Operation: 72-39=33, Resulting Numbers: [33] 33,87 unequal: No Solution Exploring Operation: 39*72=2808, Resulting Numbers: [2808] 2808,87 unequal: No Solution Exploring Operation: 39+72=111, Resulting Numbers: [111] 111,87 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 87:[29, 62], Operations: ['87+14=101', '101-39=62'] Exploring Operation: 62-29=33, Resulting Numbers: [33] 33,87 unequal: No Solution Exploring Operation: 29+62=91, Resulting Numbers: [91] 91,87 unequal: No Solution Exploring Operation: 29*62=1798, Resulting Numbers: [1798] 1798,87 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 87:[101, 68], Operations: ['87+14=101', '39+29=68'] Exploring Operation: 101-68=33, Resulting Numbers: [33] 33,87 unequal: No Solution Exploring Operation: 101+68=169, Resulting Numbers: [169] 169,87 unequal: No Solution Exploring Operation: 101*68=6868, Resulting Numbers: [6868] 6868,87 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 87:[29, 140], Operations: ['87+14=101', '39+101=140'] Exploring Operation: 29*140=4060, Resulting Numbers: [4060] 4060,87 unequal: No Solution Exploring Operation: 29+140=169, Resulting Numbers: [169] 169,87 unequal: No Solution Exploring Operation: 140-29=111, Resulting Numbers: [111] 111,87 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
sum_heuristic
[ 5, 11, 14, 15 ]
61
[ "15-11=4", "14*4=56", "5+56=61" ]
Current State: 61:[5, 11, 14, 15], Operations: [] Exploring Operation: 15-11=4, Resulting Numbers: [5, 14, 4] Generated Node #2: [5, 14, 4] from Operation: 15-11=4 Current State: 61:[5, 14, 4], Operations: ['15-11=4'] Exploring Operation: 14*4=56, Resulting Numbers: [5, 56] Generated Node #3: [5, 56] from Operation: 14*4=56 Current State: 61:[5, 56], Operations: ['15-11=4', '14*4=56'] Exploring Operation: 5+56=61, Resulting Numbers: [61] 61,61 equal: Goal Reached
4
Current State: 61:[5, 11, 14, 15], Operations: [] Exploring Operation: 5*11=55, Resulting Numbers: [14, 15, 55] Generated Node #0,0: 61:[14, 15, 55] Operation: 5*11=55 Exploring Operation: 5*14=70, Resulting Numbers: [11, 15, 70] Generated Node #0,1: 61:[11, 15, 70] Operation: 5*14=70 Moving to Node #0,0 Current State: 61:[14, 15, 55], Operations: ['5*11=55'] Exploring Operation: 14+55=69, Resulting Numbers: [15, 69] Generated Node #0,0,0: 61:[15, 69] Operation: 14+55=69 Exploring Operation: 14+15=29, Resulting Numbers: [55, 29] Generated Node #0,0,1: 61:[55, 29] Operation: 14+15=29 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 61:[55, 29], Operations: ['5*11=55', '14+15=29'] Exploring Operation: 55-29=26, Resulting Numbers: [26] 26,61 unequal: No Solution Exploring Operation: 55+29=84, Resulting Numbers: [84] 84,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 61:[15, 69], Operations: ['5*11=55', '14+55=69'] Exploring Operation: 69-15=54, Resulting Numbers: [54] 54,61 unequal: No Solution Exploring Operation: 15+69=84, Resulting Numbers: [84] 84,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 61:[11, 15, 70], Operations: ['5*14=70'] Exploring Operation: 70-11=59, Resulting Numbers: [15, 59] Generated Node #0,1,0: 61:[15, 59] Operation: 70-11=59 Exploring Operation: 11+15=26, Resulting Numbers: [70, 26] Generated Node #0,1,1: 61:[70, 26] Operation: 11+15=26 Moving to Node #0,1,1 Current State: 61:[70, 26], Operations: ['5*14=70', '11+15=26'] Exploring Operation: 70-26=44, Resulting Numbers: [44] 44,61 unequal: No Solution Exploring Operation: 70+26=96, Resulting Numbers: [96] 96,61 unequal: No Solution Moving to Node #0,1,0 Current State: 61:[15, 59], Operations: ['5*14=70', '70-11=59'] Exploring Operation: 59-15=44, Resulting Numbers: [44] 44,61 unequal: No Solution Exploring Operation: 15+59=74, Resulting Numbers: [74] 74,61 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 50, 22, 68, 50 ]
91
[ "50/50=1", "22+68=90", "1+90=91" ]
Current State: 91:[50, 22, 68, 50], Operations: [] Exploring Operation: 50/50=1, Resulting Numbers: [22, 68, 1] Generated Node #2: [22, 68, 1] from Operation: 50/50=1 Current State: 91:[22, 68, 1], Operations: ['50/50=1'] Exploring Operation: 22+68=90, Resulting Numbers: [1, 90] Generated Node #3: [1, 90] from Operation: 22+68=90 Current State: 91:[1, 90], Operations: ['50/50=1', '22+68=90'] Exploring Operation: 1+90=91, Resulting Numbers: [91] 91,91 equal: Goal Reached
4
Current State: 91:[50, 22, 68, 50], Operations: [] Exploring Operation: 50/50=1, Resulting Numbers: [22, 68, 1] Generated Node #0,0: 91:[22, 68, 1] Operation: 50/50=1 Exploring Operation: 50-50=0, Resulting Numbers: [22, 68, 0] Generated Node #0,1: 91:[22, 68, 0] Operation: 50-50=0 Start Sub Search at level 1: Moving to Node #0,0 Current State: 91:[22, 68, 1], Operations: ['50/50=1'] Exploring Operation: 22+68=90, Resulting Numbers: [1, 90] Generated Node #0,0,0: 91:[1, 90] Operation: 22+68=90 Exploring Operation: 22-1=21, Resulting Numbers: [68, 21] Generated Node #0,0,1: 91:[68, 21] Operation: 22-1=21 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 91:[1, 90], Operations: ['50/50=1', '22+68=90'] Exploring Operation: 1+90=91, Resulting Numbers: [91] 91,91 equal: Goal Reached Moving to Node #0 Current State: 91:[50, 22, 68, 50], Operations: [] Exploring Operation: 50/50=1, Resulting Numbers: [22, 68, 1] Generated Node #0,0: 91:[22, 68, 1] Operation: 50/50=1 Moving to Node #0,0 Current State: 91:[22, 68, 1], Operations: ['50/50=1'] Exploring Operation: 22+68=90, Resulting Numbers: [1, 90] Generated Node #0,0,0: 91:[1, 90] Operation: 22+68=90 Moving to Node #0,0,0 Current State: 91:[1, 90], Operations: ['50/50=1', '22+68=90'] Exploring Operation: 1+90=91, Resulting Numbers: [91] 91,91 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.992188
hs_2
mult_heuristic
[ 42, 4, 33, 68 ]
67
[ "42*4=168", "33+68=101", "168-101=67" ]
Current State: 67:[42, 4, 33, 68], Operations: [] Exploring Operation: 42*4=168, Resulting Numbers: [33, 68, 168] Generated Node #2: [33, 68, 168] from Operation: 42*4=168 Current State: 67:[33, 68, 168], Operations: ['42*4=168'] Exploring Operation: 33+68=101, Resulting Numbers: [168, 101] Generated Node #3: [168, 101] from Operation: 33+68=101 Current State: 67:[168, 101], Operations: ['42*4=168', '33+68=101'] Exploring Operation: 168-101=67, Resulting Numbers: [67] 67,67 equal: Goal Reached
4
Current State: 67:[42, 4, 33, 68], Operations: [] Exploring Operation: 42+4=46, Resulting Numbers: [33, 68, 46] Generated Node #0,0: 67:[33, 68, 46] Operation: 42+4=46 Exploring Operation: 68-4=64, Resulting Numbers: [42, 33, 64] Generated Node #0,1: 67:[42, 33, 64] Operation: 68-4=64 Exploring Operation: 4+33=37, Resulting Numbers: [42, 68, 37] Generated Node #0,2: 67:[42, 68, 37] Operation: 4+33=37 Moving to Node #0,0 Current State: 67:[33, 68, 46], Operations: ['42+4=46'] Exploring Operation: 68-33=35, Resulting Numbers: [46, 35] Generated Node #0,0,0: 67:[46, 35] Operation: 68-33=35 Exploring Operation: 33+46=79, Resulting Numbers: [68, 79] Generated Node #0,0,1: 67:[68, 79] Operation: 33+46=79 Exploring Operation: 33+68=101, Resulting Numbers: [46, 101] Generated Node #0,0,2: 67:[46, 101] Operation: 33+68=101 Moving to Node #0,2 Current State: 67:[42, 68, 37], Operations: ['4+33=37'] Exploring Operation: 68-37=31, Resulting Numbers: [42, 31] Generated Node #0,2,0: 67:[42, 31] Operation: 68-37=31 Exploring Operation: 42+37=79, Resulting Numbers: [68, 79] Generated Node #0,2,1: 67:[68, 79] Operation: 42+37=79 Exploring Operation: 42-37=5, Resulting Numbers: [68, 5] Generated Node #0,2,2: 67:[68, 5] Operation: 42-37=5 Moving to Node #0,1 Current State: 67:[42, 33, 64], Operations: ['68-4=64'] Exploring Operation: 42+33=75, Resulting Numbers: [64, 75] Generated Node #0,1,0: 67:[64, 75] Operation: 42+33=75 Exploring Operation: 42-33=9, Resulting Numbers: [64, 9] Generated Node #0,1,1: 67:[64, 9] Operation: 42-33=9 Exploring Operation: 33+64=97, Resulting Numbers: [42, 97] Generated Node #0,1,2: 67:[42, 97] Operation: 33+64=97 Moving to Node #0,1,0 Current State: 67:[64, 75], Operations: ['68-4=64', '42+33=75'] Exploring Operation: 64+75=139, Resulting Numbers: [139] 139,67 unequal: No Solution Exploring Operation: 64*75=4800, Resulting Numbers: [4800] 4800,67 unequal: No Solution Exploring Operation: 75-64=11, Resulting Numbers: [11] 11,67 unequal: No Solution Moving to Node #0,0,1 Current State: 67:[68, 79], Operations: ['42+4=46', '33+46=79'] Exploring Operation: 79-68=11, Resulting Numbers: [11] 11,67 unequal: No Solution Exploring Operation: 68+79=147, Resulting Numbers: [147] 147,67 unequal: No Solution Exploring Operation: 68*79=5372, Resulting Numbers: [5372] 5372,67 unequal: No Solution Moving to Node #0,2,1 Current State: 67:[68, 79], Operations: ['4+33=37', '42+37=79'] Exploring Operation: 68*79=5372, Resulting Numbers: [5372] 5372,67 unequal: No Solution Exploring Operation: 68+79=147, Resulting Numbers: [147] 147,67 unequal: No Solution Exploring Operation: 79-68=11, Resulting Numbers: [11] 11,67 unequal: No Solution Moving to Node #0,0,0 Current State: 67:[46, 35], Operations: ['42+4=46', '68-33=35'] Exploring Operation: 46-35=11, Resulting Numbers: [11] 11,67 unequal: No Solution Exploring Operation: 46*35=1610, Resulting Numbers: [1610] 1610,67 unequal: No Solution Exploring Operation: 46+35=81, Resulting Numbers: [81] 81,67 unequal: No Solution Moving to Node #0,0,2 Current State: 67:[46, 101], Operations: ['42+4=46', '33+68=101'] Exploring Operation: 46+101=147, Resulting Numbers: [147] 147,67 unequal: No Solution Exploring Operation: 46*101=4646, Resulting Numbers: [4646] 4646,67 unequal: No Solution Exploring Operation: 101-46=55, Resulting Numbers: [55] 55,67 unequal: No Solution Moving to Node #0,1,2 Current State: 67:[42, 97], Operations: ['68-4=64', '33+64=97'] Exploring Operation: 42*97=4074, Resulting Numbers: [4074] 4074,67 unequal: No Solution Exploring Operation: 97-42=55, Resulting Numbers: [55] 55,67 unequal: No Solution Exploring Operation: 42+97=139, Resulting Numbers: [139] 139,67 unequal: No Solution Moving to Node #0,1,1 Current State: 67:[64, 9], Operations: ['68-4=64', '42-33=9'] Exploring Operation: 64+9=73, Resulting Numbers: [73] 73,67 unequal: No Solution Exploring Operation: 64*9=576, Resulting Numbers: [576] 576,67 unequal: No Solution Exploring Operation: 64-9=55, Resulting Numbers: [55] 55,67 unequal: No Solution Moving to Node #0,2,0 Current State: 67:[42, 31], Operations: ['4+33=37', '68-37=31'] Exploring Operation: 42-31=11, Resulting Numbers: [11] 11,67 unequal: No Solution Exploring Operation: 42*31=1302, Resulting Numbers: [1302] 1302,67 unequal: No Solution Exploring Operation: 42+31=73, Resulting Numbers: [73] 73,67 unequal: No Solution Moving to Node #0,2,2 Current State: 67:[68, 5], Operations: ['4+33=37', '42-37=5'] Exploring Operation: 68-5=63, Resulting Numbers: [63] 63,67 unequal: No Solution Exploring Operation: 68*5=340, Resulting Numbers: [340] 340,67 unequal: No Solution Exploring Operation: 68+5=73, Resulting Numbers: [73] 73,67 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 28, 51, 58, 39 ]
77
[ "39-28=11", "58-51=7", "11*7=77" ]
Current State: 77:[28, 51, 58, 39], Operations: [] Exploring Operation: 39-28=11, Resulting Numbers: [51, 58, 11] Generated Node #2: [51, 58, 11] from Operation: 39-28=11 Current State: 77:[51, 58, 11], Operations: ['39-28=11'] Exploring Operation: 58-51=7, Resulting Numbers: [11, 7] Generated Node #3: [11, 7] from Operation: 58-51=7 Current State: 77:[11, 7], Operations: ['39-28=11', '58-51=7'] Exploring Operation: 11*7=77, Resulting Numbers: [77] 77,77 equal: Goal Reached
4
Current State: 77:[28, 51, 58, 39], Operations: [] Exploring Operation: 58-51=7, Resulting Numbers: [28, 39, 7] Generated Node #0,0: 77:[28, 39, 7] Operation: 58-51=7 Exploring Operation: 39-28=11, Resulting Numbers: [51, 58, 11] Generated Node #0,1: 77:[51, 58, 11] Operation: 39-28=11 Exploring Operation: 51+39=90, Resulting Numbers: [28, 58, 90] Generated Node #0,2: 77:[28, 58, 90] Operation: 51+39=90 Exploring Operation: 28+51=79, Resulting Numbers: [58, 39, 79] Generated Node #0,3: 77:[58, 39, 79] Operation: 28+51=79 Exploring Operation: 51-39=12, Resulting Numbers: [28, 58, 12] Generated Node #0,4: 77:[28, 58, 12] Operation: 51-39=12 Start Sub Search at level 1: Moving to Node #0,4 Current State: 77:[28, 58, 12], Operations: ['51-39=12'] Exploring Operation: 28-12=16, Resulting Numbers: [58, 16] Generated Node #0,4,0: 77:[58, 16] Operation: 28-12=16 Exploring Operation: 28+12=40, Resulting Numbers: [58, 40] Generated Node #0,4,1: 77:[58, 40] Operation: 28+12=40 Exploring Operation: 58-28=30, Resulting Numbers: [12, 30] Generated Node #0,4,2: 77:[12, 30] Operation: 58-28=30 Exploring Operation: 58+12=70, Resulting Numbers: [28, 70] Generated Node #0,4,3: 77:[28, 70] Operation: 58+12=70 Exploring Operation: 28+58=86, Resulting Numbers: [12, 86] Generated Node #0,4,4: 77:[12, 86] Operation: 28+58=86 Moving to Node #0,4,4 Current State: 77:[12, 86], Operations: ['51-39=12', '28+58=86'] Exploring Operation: 86-12=74, Resulting Numbers: [74] 74,77 unequal: No Solution Exploring Operation: 12*86=1032, Resulting Numbers: [1032] 1032,77 unequal: No Solution Exploring Operation: 12+86=98, Resulting Numbers: [98] 98,77 unequal: No Solution Moving to Node #0,4,2 Current State: 77:[12, 30], Operations: ['51-39=12', '58-28=30'] Exploring Operation: 12+30=42, Resulting Numbers: [42] 42,77 unequal: No Solution Exploring Operation: 12*30=360, Resulting Numbers: [360] 360,77 unequal: No Solution Exploring Operation: 30-12=18, Resulting Numbers: [18] 18,77 unequal: No Solution Moving to Node #0,4,0 Current State: 77:[58, 16], Operations: ['51-39=12', '28-12=16'] Exploring Operation: 58+16=74, Resulting Numbers: [74] 74,77 unequal: No Solution Exploring Operation: 58-16=42, Resulting Numbers: [42] 42,77 unequal: No Solution Exploring Operation: 58*16=928, Resulting Numbers: [928] 928,77 unequal: No Solution Moving to Node #0,4,3 Current State: 77:[28, 70], Operations: ['51-39=12', '58+12=70'] Exploring Operation: 28*70=1960, Resulting Numbers: [1960] 1960,77 unequal: No Solution Exploring Operation: 28+70=98, Resulting Numbers: [98] 98,77 unequal: No Solution Exploring Operation: 70-28=42, Resulting Numbers: [42] 42,77 unequal: No Solution Moving to Node #0,4,1 Current State: 77:[58, 40], Operations: ['51-39=12', '28+12=40'] Exploring Operation: 58+40=98, Resulting Numbers: [98] 98,77 unequal: No Solution Exploring Operation: 58*40=2320, Resulting Numbers: [2320] 2320,77 unequal: No Solution Exploring Operation: 58-40=18, Resulting Numbers: [18] 18,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 77:[28, 39, 7], Operations: ['58-51=7'] Exploring Operation: 28+39=67, Resulting Numbers: [7, 67] Generated Node #0,0,0: 77:[7, 67] Operation: 28+39=67 Exploring Operation: 39-28=11, Resulting Numbers: [7, 11] Generated Node #0,0,1: 77:[7, 11] Operation: 39-28=11 Exploring Operation: 28-7=21, Resulting Numbers: [39, 21] Generated Node #0,0,2: 77:[39, 21] Operation: 28-7=21 Exploring Operation: 28/7=4, Resulting Numbers: [39, 4] Generated Node #0,0,3: 77:[39, 4] Operation: 28/7=4 Exploring Operation: 39-7=32, Resulting Numbers: [28, 32] Generated Node #0,0,4: 77:[28, 32] Operation: 39-7=32 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 77:[7, 11], Operations: ['58-51=7', '39-28=11'] Exploring Operation: 7+11=18, Resulting Numbers: [18] 18,77 unequal: No Solution Exploring Operation: 11-7=4, Resulting Numbers: [4] 4,77 unequal: No Solution Exploring Operation: 7*11=77, Resulting Numbers: [77] 77,77 equal: Goal Reached Moving to Node #0 Current State: 77:[28, 51, 58, 39], Operations: [] Exploring Operation: 58-51=7, Resulting Numbers: [28, 39, 7] Generated Node #0,0: 77:[28, 39, 7] Operation: 58-51=7 Moving to Node #0,0 Current State: 77:[28, 39, 7], Operations: ['58-51=7'] Exploring Operation: 39-28=11, Resulting Numbers: [7, 11] Generated Node #0,0,1: 77:[7, 11] Operation: 39-28=11 Moving to Node #0,0,1 Current State: 77:[7, 11], Operations: ['58-51=7', '39-28=11'] Exploring Operation: 7*11=77, Resulting Numbers: [77] 77,77 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.967882
hs_5
mult_heuristic
[ 3, 98, 83, 98 ]
28
[ "98/98=1", "83+1=84", "84/3=28" ]
Current State: 28:[3, 98, 83, 98], Operations: [] Exploring Operation: 98/98=1, Resulting Numbers: [3, 83, 1] Generated Node #2: [3, 83, 1] from Operation: 98/98=1 Current State: 28:[3, 83, 1], Operations: ['98/98=1'] Exploring Operation: 83+1=84, Resulting Numbers: [3, 84] Generated Node #3: [3, 84] from Operation: 83+1=84 Current State: 28:[3, 84], Operations: ['98/98=1', '83+1=84'] Exploring Operation: 84/3=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
4
Current State: 28:[3, 98, 83, 98], Operations: [] Exploring Operation: 98/98=1, Resulting Numbers: [3, 83, 1] Generated Node #0,0: 28:[3, 83, 1] Operation: 98/98=1 Exploring Operation: 98-83=15, Resulting Numbers: [3, 98, 15] Generated Node #0,1: 28:[3, 98, 15] Operation: 98-83=15 Exploring Operation: 98-98=0, Resulting Numbers: [3, 83, 0] Generated Node #0,2: 28:[3, 83, 0] Operation: 98-98=0 Start Sub Search at level 1: Moving to Node #0,0 Current State: 28:[3, 83, 1], Operations: ['98/98=1'] Exploring Operation: 3-1=2, Resulting Numbers: [83, 2] Generated Node #0,0,0: 28:[83, 2] Operation: 3-1=2 Exploring Operation: 3+1=4, Resulting Numbers: [83, 4] Generated Node #0,0,1: 28:[83, 4] Operation: 3+1=4 Exploring Operation: 83-3=80, Resulting Numbers: [1, 80] Generated Node #0,0,2: 28:[1, 80] Operation: 83-3=80 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 28:[1, 80], Operations: ['98/98=1', '83-3=80'] Exploring Operation: 80/1=80, Resulting Numbers: [80] 80,28 unequal: No Solution Exploring Operation: 1*80=80, Resulting Numbers: [80] 80,28 unequal: No Solution Exploring Operation: 80-1=79, Resulting Numbers: [79] 79,28 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 28:[83, 2], Operations: ['98/98=1', '3-1=2'] Exploring Operation: 83+2=85, Resulting Numbers: [85] 85,28 unequal: No Solution Exploring Operation: 83*2=166, Resulting Numbers: [166] 166,28 unequal: No Solution Exploring Operation: 83-2=81, Resulting Numbers: [81] 81,28 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 28:[83, 4], Operations: ['98/98=1', '3+1=4'] Exploring Operation: 83+4=87, Resulting Numbers: [87] 87,28 unequal: No Solution Exploring Operation: 83-4=79, Resulting Numbers: [79] 79,28 unequal: No Solution Exploring Operation: 83*4=332, Resulting Numbers: [332] 332,28 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 28:[3, 83, 0], Operations: ['98-98=0'] Exploring Operation: 3+0=3, Resulting Numbers: [83, 3] Generated Node #0,2,0: 28:[83, 3] Operation: 3+0=3 Exploring Operation: 83*0=0, Resulting Numbers: [3, 0] Generated Node #0,2,1: 28:[3, 0] Operation: 83*0=0 Exploring Operation: 83-3=80, Resulting Numbers: [0, 80] Generated Node #0,2,2: 28:[0, 80] Operation: 83-3=80 Moving to Node #0,2,1 Current State: 28:[3, 0], Operations: ['98-98=0', '83*0=0'] Exploring Operation: 3*0=0, Resulting Numbers: [0] 0,28 unequal: No Solution Exploring Operation: 3+0=3, Resulting Numbers: [3] 3,28 unequal: No Solution Exploring Operation: 3-0=3, Resulting Numbers: [3] 3,28 unequal: No Solution Moving to Node #0,2,2 Current State: 28:[0, 80], Operations: ['98-98=0', '83-3=80'] Exploring Operation: 0+80=80, Resulting Numbers: [80] 80,28 unequal: No Solution Exploring Operation: 0*80=0, Resulting Numbers: [0] 0,28 unequal: No Solution Exploring Operation: 80-0=80, Resulting Numbers: [80] 80,28 unequal: No Solution Moving to Node #0,2,0 Current State: 28:[83, 3], Operations: ['98-98=0', '3+0=3'] Exploring Operation: 83-3=80, Resulting Numbers: [80] 80,28 unequal: No Solution Exploring Operation: 83*3=249, Resulting Numbers: [249] 249,28 unequal: No Solution Exploring Operation: 83+3=86, Resulting Numbers: [86] 86,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 28:[3, 98, 15], Operations: ['98-83=15'] Exploring Operation: 98-15=83, Resulting Numbers: [3, 83] Generated Node #0,1,0: 28:[3, 83] Operation: 98-15=83 Exploring Operation: 98-3=95, Resulting Numbers: [15, 95] Generated Node #0,1,1: 28:[15, 95] Operation: 98-3=95 Exploring Operation: 15/3=5, Resulting Numbers: [98, 5] Generated Node #0,1,2: 28:[98, 5] Operation: 15/3=5 Moving to Node #0,1,0 Current State: 28:[3, 83], Operations: ['98-83=15', '98-15=83'] Exploring Operation: 3+83=86, Resulting Numbers: [86] 86,28 unequal: No Solution Exploring Operation: 83-3=80, Resulting Numbers: [80] 80,28 unequal: No Solution Exploring Operation: 3*83=249, Resulting Numbers: [249] 249,28 unequal: No Solution Moving to Node #0,1,1 Current State: 28:[15, 95], Operations: ['98-83=15', '98-3=95'] Exploring Operation: 15+95=110, Resulting Numbers: [110] 110,28 unequal: No Solution Exploring Operation: 95-15=80, Resulting Numbers: [80] 80,28 unequal: No Solution Exploring Operation: 15*95=1425, Resulting Numbers: [1425] 1425,28 unequal: No Solution Moving to Node #0,1,2 Current State: 28:[98, 5], Operations: ['98-83=15', '15/3=5'] Exploring Operation: 98-5=93, Resulting Numbers: [93] 93,28 unequal: No Solution Exploring Operation: 98*5=490, Resulting Numbers: [490] 490,28 unequal: No Solution Exploring Operation: 98+5=103, Resulting Numbers: [103] 103,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 30, 91, 13, 10 ]
47
[ "30+10=40", "91/13=7", "40+7=47" ]
Current State: 47:[30, 91, 13, 10], Operations: [] Exploring Operation: 30+10=40, Resulting Numbers: [91, 13, 40] Generated Node #2: [91, 13, 40] from Operation: 30+10=40 Current State: 47:[91, 13, 40], Operations: ['30+10=40'] Exploring Operation: 91/13=7, Resulting Numbers: [40, 7] Generated Node #3: [40, 7] from Operation: 91/13=7 Current State: 47:[40, 7], Operations: ['30+10=40', '91/13=7'] Exploring Operation: 40+7=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[30, 91, 13, 10], Operations: [] Exploring Operation: 91-30=61, Resulting Numbers: [13, 10, 61] Generated Node #0,0: 47:[13, 10, 61] Operation: 91-30=61 Start Sub Search at level 1: Moving to Node #0,0 Current State: 47:[13, 10, 61], Operations: ['91-30=61'] Exploring Operation: 13+10=23, Resulting Numbers: [61, 23] Generated Node #0,0,0: 47:[61, 23] Operation: 13+10=23 Moving to Node #0,0,0 Current State: 47:[61, 23], Operations: ['91-30=61', '13+10=23'] Exploring Operation: 61-23=38, Resulting Numbers: [38] 38,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 33, 12, 77, 37 ]
19
[ "33-12=21", "77-37=40", "40-21=19" ]
Current State: 19:[33, 12, 77, 37], Operations: [] Exploring Operation: 33-12=21, Resulting Numbers: [77, 37, 21] Generated Node #2: [77, 37, 21] from Operation: 33-12=21 Current State: 19:[77, 37, 21], Operations: ['33-12=21'] Exploring Operation: 77-37=40, Resulting Numbers: [21, 40] Generated Node #3: [21, 40] from Operation: 77-37=40 Current State: 19:[21, 40], Operations: ['33-12=21', '77-37=40'] Exploring Operation: 40-21=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
4
Current State: 19:[33, 12, 77, 37], Operations: [] Exploring Operation: 77-37=40, Resulting Numbers: [33, 12, 40] Generated Node #0,0: 19:[33, 12, 40] Operation: 77-37=40 Exploring Operation: 77-33=44, Resulting Numbers: [12, 37, 44] Generated Node #0,1: 19:[12, 37, 44] Operation: 77-33=44 Start Sub Search at level 1: Moving to Node #0,0 Current State: 19:[33, 12, 40], Operations: ['77-37=40'] Exploring Operation: 33-12=21, Resulting Numbers: [40, 21] Generated Node #0,0,0: 19:[40, 21] Operation: 33-12=21 Exploring Operation: 40-33=7, Resulting Numbers: [12, 7] Generated Node #0,0,1: 19:[12, 7] Operation: 40-33=7 Moving to Node #0,0,1 Current State: 19:[12, 7], Operations: ['77-37=40', '40-33=7'] Exploring Operation: 12+7=19, Resulting Numbers: [19] 19,19 equal: Goal Reached Moving to Node #0 Current State: 19:[33, 12, 77, 37], Operations: [] Exploring Operation: 77-37=40, Resulting Numbers: [33, 12, 40] Generated Node #0,0: 19:[33, 12, 40] Operation: 77-37=40 Moving to Node #0,0 Current State: 19:[33, 12, 40], Operations: ['77-37=40'] Exploring Operation: 40-33=7, Resulting Numbers: [12, 7] Generated Node #0,0,1: 19:[12, 7] Operation: 40-33=7 Moving to Node #0,0,1 Current State: 19:[12, 7], Operations: ['77-37=40', '40-33=7'] Exploring Operation: 12+7=19, Resulting Numbers: [19] 19,19 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
sum_heuristic
[ 81, 38, 71, 1 ]
29
[ "81-38=43", "71+1=72", "72-43=29" ]
Current State: 29:[81, 38, 71, 1], Operations: [] Exploring Operation: 81-38=43, Resulting Numbers: [71, 1, 43] Generated Node #2: [71, 1, 43] from Operation: 81-38=43 Current State: 29:[71, 1, 43], Operations: ['81-38=43'] Exploring Operation: 71+1=72, Resulting Numbers: [43, 72] Generated Node #3: [43, 72] from Operation: 71+1=72 Current State: 29:[43, 72], Operations: ['81-38=43', '71+1=72'] Exploring Operation: 72-43=29, Resulting Numbers: [29] 29,29 equal: Goal Reached
4
Current State: 29:[81, 38, 71, 1], Operations: [] Exploring Operation: 38-1=37, Resulting Numbers: [81, 71, 37] Generated Node #0,0: 29:[81, 71, 37] Operation: 38-1=37 Exploring Operation: 81-1=80, Resulting Numbers: [38, 71, 80] Generated Node #0,1: 29:[38, 71, 80] Operation: 81-1=80 Exploring Operation: 81-38=43, Resulting Numbers: [71, 1, 43] Generated Node #0,2: 29:[71, 1, 43] Operation: 81-38=43 Exploring Operation: 81-71=10, Resulting Numbers: [38, 1, 10] Generated Node #0,3: 29:[38, 1, 10] Operation: 81-71=10 Exploring Operation: 71-38=33, Resulting Numbers: [81, 1, 33] Generated Node #0,4: 29:[81, 1, 33] Operation: 71-38=33 Start Sub Search at level 1: Moving to Node #0,3 Current State: 29:[38, 1, 10], Operations: ['81-71=10'] Exploring Operation: 38-1=37, Resulting Numbers: [10, 37] Generated Node #0,3,0: 29:[10, 37] Operation: 38-1=37 Exploring Operation: 38*1=38, Resulting Numbers: [10, 38] Generated Node #0,3,1: 29:[10, 38] Operation: 38*1=38 Exploring Operation: 38/1=38, Resulting Numbers: [10, 38] Generated Node #0,3,2: 29:[10, 38] Operation: 38/1=38 Exploring Operation: 1+10=11, Resulting Numbers: [38, 11] Generated Node #0,3,3: 29:[38, 11] Operation: 1+10=11 Exploring Operation: 1*10=10, Resulting Numbers: [38, 10] Generated Node #0,3,4: 29:[38, 10] Operation: 1*10=10 Moving to Node #0,3,0 Current State: 29:[10, 37], Operations: ['81-71=10', '38-1=37'] Exploring Operation: 10*37=370, Resulting Numbers: [370] 370,29 unequal: No Solution Exploring Operation: 37-10=27, Resulting Numbers: [27] 27,29 unequal: No Solution Exploring Operation: 10+37=47, Resulting Numbers: [47] 47,29 unequal: No Solution Moving to Node #0,3,3 Current State: 29:[38, 11], Operations: ['81-71=10', '1+10=11'] Exploring Operation: 38+11=49, Resulting Numbers: [49] 49,29 unequal: No Solution Exploring Operation: 38-11=27, Resulting Numbers: [27] 27,29 unequal: No Solution Exploring Operation: 38*11=418, Resulting Numbers: [418] 418,29 unequal: No Solution Moving to Node #0,3,1 Current State: 29:[10, 38], Operations: ['81-71=10', '38*1=38'] Exploring Operation: 38-10=28, Resulting Numbers: [28] 28,29 unequal: No Solution Exploring Operation: 10*38=380, Resulting Numbers: [380] 380,29 unequal: No Solution Exploring Operation: 10+38=48, Resulting Numbers: [48] 48,29 unequal: No Solution Moving to Node #0,3,2 Current State: 29:[10, 38], Operations: ['81-71=10', '38/1=38'] Exploring Operation: 38-10=28, Resulting Numbers: [28] 28,29 unequal: No Solution Exploring Operation: 10*38=380, Resulting Numbers: [380] 380,29 unequal: No Solution Exploring Operation: 10+38=48, Resulting Numbers: [48] 48,29 unequal: No Solution Moving to Node #0,3,4 Current State: 29:[38, 10], Operations: ['81-71=10', '1*10=10'] Exploring Operation: 38*10=380, Resulting Numbers: [380] 380,29 unequal: No Solution Exploring Operation: 38+10=48, Resulting Numbers: [48] 48,29 unequal: No Solution Exploring Operation: 38-10=28, Resulting Numbers: [28] 28,29 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:[71, 1, 43], Operations: ['81-38=43'] Exploring Operation: 71-1=70, Resulting Numbers: [43, 70] Generated Node #0,2,0: 29:[43, 70] Operation: 71-1=70 Exploring Operation: 71/1=71, Resulting Numbers: [43, 71] Generated Node #0,2,1: 29:[43, 71] Operation: 71/1=71 Exploring Operation: 71-43=28, Resulting Numbers: [1, 28] Generated Node #0,2,2: 29:[1, 28] Operation: 71-43=28 Exploring Operation: 43-1=42, Resulting Numbers: [71, 42] Generated Node #0,2,3: 29:[71, 42] Operation: 43-1=42 Exploring Operation: 71*1=71, Resulting Numbers: [43, 71] Generated Node #0,2,4: 29:[43, 71] Operation: 71*1=71 Moving to Node #0,2,2 Current State: 29:[1, 28], Operations: ['81-38=43', '71-43=28'] Exploring Operation: 1*28=28, Resulting Numbers: [28] 28,29 unequal: No Solution Exploring Operation: 28/1=28, Resulting Numbers: [28] 28,29 unequal: No Solution Exploring Operation: 1+28=29, Resulting Numbers: [29] 29,29 equal: Goal Reached Moving to Node #0 Current State: 29:[81, 38, 71, 1], Operations: [] Exploring Operation: 81-38=43, Resulting Numbers: [71, 1, 43] Generated Node #0,2: 29:[71, 1, 43] Operation: 81-38=43 Moving to Node #0,2 Current State: 29:[71, 1, 43], Operations: ['81-38=43'] Exploring Operation: 71-43=28, Resulting Numbers: [1, 28] Generated Node #0,2,2: 29:[1, 28] Operation: 71-43=28 Moving to Node #0,2,2 Current State: 29:[1, 28], Operations: ['81-38=43', '71-43=28'] Exploring Operation: 1+28=29, Resulting Numbers: [29] 29,29 equal: Goal Reached Exit Sub Search at level 1
0.967882
hs_5
mult_heuristic
[ 44, 50, 93, 77 ]
22
[ "50-44=6", "93-77=16", "6+16=22" ]
Current State: 22:[44, 50, 93, 77], Operations: [] Exploring Operation: 50-44=6, Resulting Numbers: [93, 77, 6] Generated Node #2: [93, 77, 6] from Operation: 50-44=6 Current State: 22:[93, 77, 6], Operations: ['50-44=6'] Exploring Operation: 93-77=16, Resulting Numbers: [6, 16] Generated Node #3: [6, 16] from Operation: 93-77=16 Current State: 22:[6, 16], Operations: ['50-44=6', '93-77=16'] Exploring Operation: 6+16=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
4
Current State: 22:[44, 50, 93, 77], Operations: [] Exploring Operation: 93-44=49, Resulting Numbers: [50, 77, 49] Generated Node #0,0: 22:[50, 77, 49] Operation: 93-44=49 Exploring Operation: 93-77=16, Resulting Numbers: [44, 50, 16] Generated Node #0,1: 22:[44, 50, 16] Operation: 93-77=16 Exploring Operation: 77-50=27, Resulting Numbers: [44, 93, 27] Generated Node #0,2: 22:[44, 93, 27] Operation: 77-50=27 Exploring Operation: 93-50=43, Resulting Numbers: [44, 77, 43] Generated Node #0,3: 22:[44, 77, 43] Operation: 93-50=43 Start Sub Search at level 1: Moving to Node #0,1 Current State: 22:[44, 50, 16], Operations: ['93-77=16'] Exploring Operation: 50-16=34, Resulting Numbers: [44, 34] Generated Node #0,1,0: 22:[44, 34] Operation: 50-16=34 Exploring Operation: 44+16=60, Resulting Numbers: [50, 60] Generated Node #0,1,1: 22:[50, 60] Operation: 44+16=60 Exploring Operation: 44-16=28, Resulting Numbers: [50, 28] Generated Node #0,1,2: 22:[50, 28] Operation: 44-16=28 Exploring Operation: 50-44=6, Resulting Numbers: [16, 6] Generated Node #0,1,3: 22:[16, 6] Operation: 50-44=6 Moving to Node #0,1,3 Current State: 22:[16, 6], Operations: ['93-77=16', '50-44=6'] Exploring Operation: 16*6=96, Resulting Numbers: [96] 96,22 unequal: No Solution Exploring Operation: 16-6=10, Resulting Numbers: [10] 10,22 unequal: No Solution Exploring Operation: 16+6=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Moving to Node #0 Current State: 22:[44, 50, 93, 77], Operations: [] Exploring Operation: 93-77=16, Resulting Numbers: [44, 50, 16] Generated Node #0,1: 22:[44, 50, 16] Operation: 93-77=16 Moving to Node #0,1 Current State: 22:[44, 50, 16], Operations: ['93-77=16'] Exploring Operation: 50-44=6, Resulting Numbers: [16, 6] Generated Node #0,1,3: 22:[16, 6] Operation: 50-44=6 Moving to Node #0,1,3 Current State: 22:[16, 6], Operations: ['93-77=16', '50-44=6'] Exploring Operation: 16+6=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_4
sum_heuristic
[ 4, 2, 13, 98 ]
60
[ "98-4=94", "94/2=47", "13+47=60" ]
Current State: 60:[4, 2, 13, 98], Operations: [] Exploring Operation: 98-4=94, Resulting Numbers: [2, 13, 94] Generated Node #2: [2, 13, 94] from Operation: 98-4=94 Current State: 60:[2, 13, 94], Operations: ['98-4=94'] Exploring Operation: 94/2=47, Resulting Numbers: [13, 47] Generated Node #3: [13, 47] from Operation: 94/2=47 Current State: 60:[13, 47], Operations: ['98-4=94', '94/2=47'] Exploring Operation: 13+47=60, Resulting Numbers: [60] 60,60 equal: Goal Reached
4
Current State: 60:[4, 2, 13, 98], Operations: [] Exploring Operation: 98-13=85, Resulting Numbers: [4, 2, 85] Generated Node #0,0: 60:[4, 2, 85] Operation: 98-13=85 Exploring Operation: 98/2=49, Resulting Numbers: [4, 13, 49] Generated Node #0,1: 60:[4, 13, 49] Operation: 98/2=49 Moving to Node #0,1 Current State: 60:[4, 13, 49], Operations: ['98/2=49'] Exploring Operation: 13+49=62, Resulting Numbers: [4, 62] Generated Node #0,1,0: 60:[4, 62] Operation: 13+49=62 Exploring Operation: 49-13=36, Resulting Numbers: [4, 36] Generated Node #0,1,1: 60:[4, 36] Operation: 49-13=36 Moving to Node #0,0 Current State: 60:[4, 2, 85], Operations: ['98-13=85'] Exploring Operation: 85-4=81, Resulting Numbers: [2, 81] Generated Node #0,0,0: 60:[2, 81] Operation: 85-4=81 Exploring Operation: 85-2=83, Resulting Numbers: [4, 83] Generated Node #0,0,1: 60:[4, 83] Operation: 85-2=83 Moving to Node #0,1,0 Current State: 60:[4, 62], Operations: ['98/2=49', '13+49=62'] Exploring Operation: 4+62=66, Resulting Numbers: [66] 66,60 unequal: No Solution Exploring Operation: 62-4=58, Resulting Numbers: [58] 58,60 unequal: No Solution Moving to Node #0,1,1 Current State: 60:[4, 36], Operations: ['98/2=49', '49-13=36'] Exploring Operation: 36-4=32, Resulting Numbers: [32] 32,60 unequal: No Solution Exploring Operation: 36/4=9, Resulting Numbers: [9] 9,60 unequal: No Solution Moving to Node #0,0,0 Current State: 60:[2, 81], Operations: ['98-13=85', '85-4=81'] Exploring Operation: 81-2=79, Resulting Numbers: [79] 79,60 unequal: No Solution Exploring Operation: 2+81=83, Resulting Numbers: [83] 83,60 unequal: No Solution Moving to Node #0,0,1 Current State: 60:[4, 83], Operations: ['98-13=85', '85-2=83'] Exploring Operation: 83-4=79, Resulting Numbers: [79] 79,60 unequal: No Solution Exploring Operation: 4+83=87, Resulting Numbers: [87] 87,60 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 42, 32, 96, 15 ]
54
[ "42-32=10", "15*10=150", "150-96=54" ]
Current State: 54:[42, 32, 96, 15], Operations: [] Exploring Operation: 42-32=10, Resulting Numbers: [96, 15, 10] Generated Node #2: [96, 15, 10] from Operation: 42-32=10 Current State: 54:[96, 15, 10], Operations: ['42-32=10'] Exploring Operation: 15*10=150, Resulting Numbers: [96, 150] Generated Node #3: [96, 150] from Operation: 15*10=150 Current State: 54:[96, 150], Operations: ['42-32=10', '15*10=150'] Exploring Operation: 150-96=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
4
Current State: 54:[42, 32, 96, 15], Operations: [] Exploring Operation: 96-42=54, Resulting Numbers: [32, 15, 54] Generated Node #0,0: 54:[32, 15, 54] Operation: 96-42=54 Exploring Operation: 96-32=64, Resulting Numbers: [42, 15, 64] Generated Node #0,1: 54:[42, 15, 64] Operation: 96-32=64 Exploring Operation: 96/32=3, Resulting Numbers: [42, 15, 3] Generated Node #0,2: 54:[42, 15, 3] Operation: 96/32=3 Start Sub Search at level 1: Moving to Node #0,0 Current State: 54:[32, 15, 54], Operations: ['96-42=54'] Exploring Operation: 32-15=17, Resulting Numbers: [54, 17] Generated Node #0,0,0: 54:[54, 17] Operation: 32-15=17 Exploring Operation: 32+15=47, Resulting Numbers: [54, 47] Generated Node #0,0,1: 54:[54, 47] Operation: 32+15=47 Exploring Operation: 54-32=22, Resulting Numbers: [15, 22] Generated Node #0,0,2: 54:[15, 22] Operation: 54-32=22 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 54:[54, 17], Operations: ['96-42=54', '32-15=17'] Exploring Operation: 54-17=37, Resulting Numbers: [37] 37,54 unequal: No Solution Exploring Operation: 54*17=918, Resulting Numbers: [918] 918,54 unequal: No Solution Exploring Operation: 54+17=71, Resulting Numbers: [71] 71,54 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 54:[54, 47], Operations: ['96-42=54', '32+15=47'] Exploring Operation: 54-47=7, Resulting Numbers: [7] 7,54 unequal: No Solution Exploring Operation: 54+47=101, Resulting Numbers: [101] 101,54 unequal: No Solution Exploring Operation: 54*47=2538, Resulting Numbers: [2538] 2538,54 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 54:[15, 22], Operations: ['96-42=54', '54-32=22'] Exploring Operation: 22-15=7, Resulting Numbers: [7] 7,54 unequal: No Solution Exploring Operation: 15+22=37, Resulting Numbers: [37] 37,54 unequal: No Solution Exploring Operation: 15*22=330, Resulting Numbers: [330] 330,54 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 54:[42, 15, 3], Operations: ['96/32=3'] Exploring Operation: 42-15=27, Resulting Numbers: [3, 27] Generated Node #0,2,0: 54:[3, 27] Operation: 42-15=27 Exploring Operation: 42/3=14, Resulting Numbers: [15, 14] Generated Node #0,2,1: 54:[15, 14] Operation: 42/3=14 Exploring Operation: 42+15=57, Resulting Numbers: [3, 57] Generated Node #0,2,2: 54:[3, 57] Operation: 42+15=57 Moving to Node #0,2,0 Current State: 54:[3, 27], Operations: ['96/32=3', '42-15=27'] Exploring Operation: 27-3=24, Resulting Numbers: [24] 24,54 unequal: No Solution Exploring Operation: 3+27=30, Resulting Numbers: [30] 30,54 unequal: No Solution Exploring Operation: 27/3=9, Resulting Numbers: [9] 9,54 unequal: No Solution Moving to Node #0,2,2 Current State: 54:[3, 57], Operations: ['96/32=3', '42+15=57'] Exploring Operation: 57/3=19, Resulting Numbers: [19] 19,54 unequal: No Solution Exploring Operation: 3+57=60, Resulting Numbers: [60] 60,54 unequal: No Solution Exploring Operation: 57-3=54, Resulting Numbers: [54] 54,54 equal: Goal Reached Moving to Node #0 Current State: 54:[42, 32, 96, 15], Operations: [] Exploring Operation: 96/32=3, Resulting Numbers: [42, 15, 3] Generated Node #0,2: 54:[42, 15, 3] Operation: 96/32=3 Moving to Node #0,2 Current State: 54:[42, 15, 3], Operations: ['96/32=3'] Exploring Operation: 42+15=57, Resulting Numbers: [3, 57] Generated Node #0,2,2: 54:[3, 57] Operation: 42+15=57 Moving to Node #0,2,2 Current State: 54:[3, 57], Operations: ['96/32=3', '42+15=57'] Exploring Operation: 57-3=54, Resulting Numbers: [54] 54,54 equal: Goal Reached Exit Sub Search at level 1
0.975694
hs_3
sum_heuristic
[ 25, 81, 60, 83 ]
55
[ "83-81=2", "60/2=30", "25+30=55" ]
Current State: 55:[25, 81, 60, 83], Operations: [] Exploring Operation: 83-81=2, Resulting Numbers: [25, 60, 2] Generated Node #2: [25, 60, 2] from Operation: 83-81=2 Current State: 55:[25, 60, 2], Operations: ['83-81=2'] Exploring Operation: 60/2=30, Resulting Numbers: [25, 30] Generated Node #3: [25, 30] from Operation: 60/2=30 Current State: 55:[25, 30], Operations: ['83-81=2', '60/2=30'] Exploring Operation: 25+30=55, Resulting Numbers: [55] 55,55 equal: Goal Reached
4
Current State: 55:[25, 81, 60, 83], Operations: [] Exploring Operation: 83-81=2, Resulting Numbers: [25, 60, 2] Generated Node #0,0: 55:[25, 60, 2] Operation: 83-81=2 Start Sub Search at level 1: Moving to Node #0,0 Current State: 55:[25, 60, 2], Operations: ['83-81=2'] Exploring Operation: 25*2=50, Resulting Numbers: [60, 50] Generated Node #0,0,0: 55:[60, 50] Operation: 25*2=50 Moving to Node #0,0,0 Current State: 55:[60, 50], Operations: ['83-81=2', '25*2=50'] Exploring Operation: 60-50=10, Resulting Numbers: [10] 10,55 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
[ 66, 65, 26, 66 ]
40
[ "66-65=1", "66-26=40", "1*40=40" ]
Current State: 40:[66, 65, 26, 66], Operations: [] Exploring Operation: 66-65=1, Resulting Numbers: [26, 1] Generated Node #2: [26, 1] from Operation: 66-65=1 Current State: 40:[26, 1], Operations: ['66-65=1'] Exploring Operation: 66-26=40, Resulting Numbers: [1, 40] Generated Node #3: [1, 40] from Operation: 66-26=40 Current State: 40:[1, 40], Operations: ['66-65=1', '66-26=40'] Exploring Operation: 1*40=40, Resulting Numbers: [40] 40,40 equal: Goal Reached
4
Current State: 40:[66, 65, 26, 66], Operations: [] Exploring Operation: 66-66=0, Resulting Numbers: [65, 26, 0] Generated Node #0,0: 40:[65, 26, 0] Operation: 66-66=0 Exploring Operation: 66/66=1, Resulting Numbers: [65, 26, 1] Generated Node #0,1: 40:[65, 26, 1] Operation: 66/66=1 Exploring Operation: 66-65=1, Resulting Numbers: [26, 66, 1] Generated Node #0,2: 40:[26, 66, 1] Operation: 66-65=1 Start Sub Search at level 1: Moving to Node #0,1 Current State: 40:[65, 26, 1], Operations: ['66/66=1'] Exploring Operation: 26-1=25, Resulting Numbers: [65, 25] Generated Node #0,1,0: 40:[65, 25] Operation: 26-1=25 Exploring Operation: 65-1=64, Resulting Numbers: [26, 64] Generated Node #0,1,1: 40:[26, 64] Operation: 65-1=64 Exploring Operation: 65-26=39, Resulting Numbers: [1, 39] Generated Node #0,1,2: 40:[1, 39] Operation: 65-26=39 Moving to Node #0,1,2 Current State: 40:[1, 39], Operations: ['66/66=1', '65-26=39'] Exploring Operation: 1+39=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Moving to Node #0 Current State: 40:[66, 65, 26, 66], Operations: [] Exploring Operation: 66/66=1, Resulting Numbers: [65, 26, 1] Generated Node #0,1: 40:[65, 26, 1] Operation: 66/66=1 Moving to Node #0,1 Current State: 40:[65, 26, 1], Operations: ['66/66=1'] Exploring Operation: 65-26=39, Resulting Numbers: [1, 39] Generated Node #0,1,2: 40:[1, 39] Operation: 65-26=39 Moving to Node #0,1,2 Current State: 40:[1, 39], Operations: ['66/66=1', '65-26=39'] Exploring Operation: 1+39=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_3
mult_heuristic
[ 81, 13, 15, 34 ]
80
[ "81+34=115", "13*15=195", "195-115=80" ]
Current State: 80:[81, 13, 15, 34], Operations: [] Exploring Operation: 81+34=115, Resulting Numbers: [13, 15, 115] Generated Node #2: [13, 15, 115] from Operation: 81+34=115 Current State: 80:[13, 15, 115], Operations: ['81+34=115'] Exploring Operation: 13*15=195, Resulting Numbers: [115, 195] Generated Node #3: [115, 195] from Operation: 13*15=195 Current State: 80:[115, 195], Operations: ['81+34=115', '13*15=195'] Exploring Operation: 195-115=80, Resulting Numbers: [80] 80,80 equal: Goal Reached
4
Current State: 80:[81, 13, 15, 34], Operations: [] Exploring Operation: 34-15=19, Resulting Numbers: [81, 13, 19] Generated Node #0,0: 80:[81, 13, 19] Operation: 34-15=19 Exploring Operation: 34-13=21, Resulting Numbers: [81, 15, 21] Generated Node #0,1: 80:[81, 15, 21] Operation: 34-13=21 Exploring Operation: 13+34=47, Resulting Numbers: [81, 15, 47] Generated Node #0,2: 80:[81, 15, 47] Operation: 13+34=47 Exploring Operation: 15-13=2, Resulting Numbers: [81, 34, 2] Generated Node #0,3: 80:[81, 34, 2] Operation: 15-13=2 Start Sub Search at level 1: Moving to Node #0,1 Current State: 80:[81, 15, 21], Operations: ['34-13=21'] Exploring Operation: 15+21=36, Resulting Numbers: [81, 36] Generated Node #0,1,0: 80:[81, 36] Operation: 15+21=36 Exploring Operation: 81+15=96, Resulting Numbers: [21, 96] Generated Node #0,1,1: 80:[21, 96] Operation: 81+15=96 Exploring Operation: 21-15=6, Resulting Numbers: [81, 6] Generated Node #0,1,2: 80:[81, 6] Operation: 21-15=6 Exploring Operation: 81-15=66, Resulting Numbers: [21, 66] Generated Node #0,1,3: 80:[21, 66] Operation: 81-15=66 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 80:[81, 6], Operations: ['34-13=21', '21-15=6'] Exploring Operation: 81-6=75, Resulting Numbers: [75] 75,80 unequal: No Solution Exploring Operation: 81+6=87, Resulting Numbers: [87] 87,80 unequal: No Solution Exploring Operation: 81*6=486, Resulting Numbers: [486] 486,80 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 80:[81, 36], Operations: ['34-13=21', '15+21=36'] Exploring Operation: 81+36=117, Resulting Numbers: [117] 117,80 unequal: No Solution Exploring Operation: 81*36=2916, Resulting Numbers: [2916] 2916,80 unequal: No Solution Exploring Operation: 81-36=45, Resulting Numbers: [45] 45,80 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 80:[21, 66], Operations: ['34-13=21', '81-15=66'] Exploring Operation: 21*66=1386, Resulting Numbers: [1386] 1386,80 unequal: No Solution Exploring Operation: 21+66=87, Resulting Numbers: [87] 87,80 unequal: No Solution Exploring Operation: 66-21=45, Resulting Numbers: [45] 45,80 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 80:[21, 96], Operations: ['34-13=21', '81+15=96'] Exploring Operation: 21+96=117, Resulting Numbers: [117] 117,80 unequal: No Solution Exploring Operation: 21*96=2016, Resulting Numbers: [2016] 2016,80 unequal: No Solution Exploring Operation: 96-21=75, Resulting Numbers: [75] 75,80 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 80:[81, 13, 19], Operations: ['34-15=19'] Exploring Operation: 81+13=94, Resulting Numbers: [19, 94] Generated Node #0,0,0: 80:[19, 94] Operation: 81+13=94 Exploring Operation: 19-13=6, Resulting Numbers: [81, 6] Generated Node #0,0,1: 80:[81, 6] Operation: 19-13=6 Exploring Operation: 81-13=68, Resulting Numbers: [19, 68] Generated Node #0,0,2: 80:[19, 68] Operation: 81-13=68 Exploring Operation: 13+19=32, Resulting Numbers: [81, 32] Generated Node #0,0,3: 80:[81, 32] Operation: 13+19=32 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 80:[81, 6], Operations: ['34-15=19', '19-13=6'] Exploring Operation: 81-6=75, Resulting Numbers: [75] 75,80 unequal: No Solution Exploring Operation: 81*6=486, Resulting Numbers: [486] 486,80 unequal: No Solution Exploring Operation: 81+6=87, Resulting Numbers: [87] 87,80 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 80:[81, 32], Operations: ['34-15=19', '13+19=32'] Exploring Operation: 81*32=2592, Resulting Numbers: [2592] 2592,80 unequal: No Solution Exploring Operation: 81-32=49, Resulting Numbers: [49] 49,80 unequal: No Solution Exploring Operation: 81+32=113, Resulting Numbers: [113] 113,80 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 80:[19, 68], Operations: ['34-15=19', '81-13=68'] Exploring Operation: 19*68=1292, Resulting Numbers: [1292] 1292,80 unequal: No Solution Exploring Operation: 68-19=49, Resulting Numbers: [49] 49,80 unequal: No Solution Exploring Operation: 19+68=87, Resulting Numbers: [87] 87,80 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 80:[19, 94], Operations: ['34-15=19', '81+13=94'] Exploring Operation: 19+94=113, Resulting Numbers: [113] 113,80 unequal: No Solution Exploring Operation: 94-19=75, Resulting Numbers: [75] 75,80 unequal: No Solution Exploring Operation: 19*94=1786, Resulting Numbers: [1786] 1786,80 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 80:[81, 34, 2], Operations: ['15-13=2'] Exploring Operation: 34+2=36, Resulting Numbers: [81, 36] Generated Node #0,3,0: 80:[81, 36] Operation: 34+2=36 Exploring Operation: 81-34=47, Resulting Numbers: [2, 47] Generated Node #0,3,1: 80:[2, 47] Operation: 81-34=47 Exploring Operation: 34/2=17, Resulting Numbers: [81, 17] Generated Node #0,3,2: 80:[81, 17] Operation: 34/2=17 Exploring Operation: 81-2=79, Resulting Numbers: [34, 79] Generated Node #0,3,3: 80:[34, 79] Operation: 81-2=79 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 80:[81, 17], Operations: ['15-13=2', '34/2=17'] Exploring Operation: 81-17=64, Resulting Numbers: [64] 64,80 unequal: No Solution Exploring Operation: 81*17=1377, Resulting Numbers: [1377] 1377,80 unequal: No Solution Exploring Operation: 81+17=98, Resulting Numbers: [98] 98,80 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 80:[81, 36], Operations: ['15-13=2', '34+2=36'] Exploring Operation: 81*36=2916, Resulting Numbers: [2916] 2916,80 unequal: No Solution Exploring Operation: 81-36=45, Resulting Numbers: [45] 45,80 unequal: No Solution Exploring Operation: 81+36=117, Resulting Numbers: [117] 117,80 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 80:[2, 47], Operations: ['15-13=2', '81-34=47'] Exploring Operation: 2*47=94, Resulting Numbers: [94] 94,80 unequal: No Solution Exploring Operation: 47-2=45, Resulting Numbers: [45] 45,80 unequal: No Solution Exploring Operation: 2+47=49, Resulting Numbers: [49] 49,80 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 80:[34, 79], Operations: ['15-13=2', '81-2=79'] Exploring Operation: 34*79=2686, Resulting Numbers: [2686] 2686,80 unequal: No Solution Exploring Operation: 79-34=45, Resulting Numbers: [45] 45,80 unequal: No Solution Exploring Operation: 34+79=113, Resulting Numbers: [113] 113,80 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 80:[81, 15, 47], Operations: ['13+34=47'] Exploring Operation: 15+47=62, Resulting Numbers: [81, 62] Generated Node #0,2,0: 80:[81, 62] Operation: 15+47=62 Exploring Operation: 47-15=32, Resulting Numbers: [81, 32] Generated Node #0,2,1: 80:[81, 32] Operation: 47-15=32 Exploring Operation: 81-15=66, Resulting Numbers: [47, 66] Generated Node #0,2,2: 80:[47, 66] Operation: 81-15=66 Exploring Operation: 81-47=34, Resulting Numbers: [15, 34] Generated Node #0,2,3: 80:[15, 34] Operation: 81-47=34 Moving to Node #0,2,3 Current State: 80:[15, 34], Operations: ['13+34=47', '81-47=34'] Exploring Operation: 15*34=510, Resulting Numbers: [510] 510,80 unequal: No Solution Exploring Operation: 15+34=49, Resulting Numbers: [49] 49,80 unequal: No Solution Exploring Operation: 34-15=19, Resulting Numbers: [19] 19,80 unequal: No Solution Moving to Node #0,2,1 Current State: 80:[81, 32], Operations: ['13+34=47', '47-15=32'] Exploring Operation: 81+32=113, Resulting Numbers: [113] 113,80 unequal: No Solution Exploring Operation: 81*32=2592, Resulting Numbers: [2592] 2592,80 unequal: No Solution Exploring Operation: 81-32=49, Resulting Numbers: [49] 49,80 unequal: No Solution Moving to Node #0,2,0 Current State: 80:[81, 62], Operations: ['13+34=47', '15+47=62'] Exploring Operation: 81+62=143, Resulting Numbers: [143] 143,80 unequal: No Solution Exploring Operation: 81*62=5022, Resulting Numbers: [5022] 5022,80 unequal: No Solution Exploring Operation: 81-62=19, Resulting Numbers: [19] 19,80 unequal: No Solution Moving to Node #0,2,2 Current State: 80:[47, 66], Operations: ['13+34=47', '81-15=66'] Exploring Operation: 66-47=19, Resulting Numbers: [19] 19,80 unequal: No Solution Exploring Operation: 47+66=113, Resulting Numbers: [113] 113,80 unequal: No Solution Exploring Operation: 47*66=3102, Resulting Numbers: [3102] 3102,80 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
[ 64, 32, 49, 46 ]
29
[ "64-32=32", "49-46=3", "32-3=29" ]
Current State: 29:[64, 32, 49, 46], Operations: [] Exploring Operation: 64-32=32, Resulting Numbers: [49, 46, 32] Generated Node #2: [49, 46, 32] from Operation: 64-32=32 Current State: 29:[49, 46, 32], Operations: ['64-32=32'] Exploring Operation: 49-46=3, Resulting Numbers: [32, 3] Generated Node #3: [32, 3] from Operation: 49-46=3 Current State: 29:[32, 3], Operations: ['64-32=32', '49-46=3'] Exploring Operation: 32-3=29, Resulting Numbers: [29] 29,29 equal: Goal Reached
4
Current State: 29:[64, 32, 49, 46], Operations: [] Exploring Operation: 64-49=15, Resulting Numbers: [32, 46, 15] Generated Node #0,0: 29:[32, 46, 15] Operation: 64-49=15 Moving to Node #0,0 Current State: 29:[32, 46, 15], Operations: ['64-49=15'] Exploring Operation: 46-15=31, Resulting Numbers: [32, 31] Generated Node #0,0,0: 29:[32, 31] Operation: 46-15=31 Moving to Node #0,0,0 Current State: 29:[32, 31], Operations: ['64-49=15', '46-15=31'] Exploring Operation: 32-31=1, Resulting Numbers: [1] 1,29 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 6, 40, 53, 12 ]
75
[ "40-6=34", "53-12=41", "34+41=75" ]
Current State: 75:[6, 40, 53, 12], Operations: [] Exploring Operation: 40-6=34, Resulting Numbers: [53, 12, 34] Generated Node #2: [53, 12, 34] from Operation: 40-6=34 Current State: 75:[53, 12, 34], Operations: ['40-6=34'] Exploring Operation: 53-12=41, Resulting Numbers: [34, 41] Generated Node #3: [34, 41] from Operation: 53-12=41 Current State: 75:[34, 41], Operations: ['40-6=34', '53-12=41'] Exploring Operation: 34+41=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
4
Current State: 75:[6, 40, 53, 12], Operations: [] Exploring Operation: 53-40=13, Resulting Numbers: [6, 12, 13] Generated Node #0,0: 75:[6, 12, 13] Operation: 53-40=13 Moving to Node #0,0 Current State: 75:[6, 12, 13], Operations: ['53-40=13'] Exploring Operation: 12+13=25, Resulting Numbers: [6, 25] Generated Node #0,0,0: 75:[6, 25] Operation: 12+13=25 Moving to Node #0,0,0 Current State: 75:[6, 25], Operations: ['53-40=13', '12+13=25'] Exploring Operation: 25-6=19, Resulting Numbers: [19] 19,75 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 2, 18, 56, 58 ]
61
[ "56-2=54", "54/18=3", "58+3=61" ]
Current State: 61:[2, 18, 56, 58], Operations: [] Exploring Operation: 56-2=54, Resulting Numbers: [18, 58, 54] Generated Node #2: [18, 58, 54] from Operation: 56-2=54 Current State: 61:[18, 58, 54], Operations: ['56-2=54'] Exploring Operation: 54/18=3, Resulting Numbers: [58, 3] Generated Node #3: [58, 3] from Operation: 54/18=3 Current State: 61:[58, 3], Operations: ['56-2=54', '54/18=3'] Exploring Operation: 58+3=61, Resulting Numbers: [61] 61,61 equal: Goal Reached
4
Current State: 61:[2, 18, 56, 58], Operations: [] Exploring Operation: 2*18=36, Resulting Numbers: [56, 58, 36] Generated Node #0,0: 61:[56, 58, 36] Operation: 2*18=36 Exploring Operation: 2+18=20, Resulting Numbers: [56, 58, 20] Generated Node #0,1: 61:[56, 58, 20] Operation: 2+18=20 Start Sub Search at level 1: Moving to Node #0,0 Current State: 61:[56, 58, 36], Operations: ['2*18=36'] Exploring Operation: 56+36=92, Resulting Numbers: [58, 92] Generated Node #0,0,0: 61:[58, 92] Operation: 56+36=92 Exploring Operation: 58+36=94, Resulting Numbers: [56, 94] Generated Node #0,0,1: 61:[56, 94] Operation: 58+36=94 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 61:[58, 92], Operations: ['2*18=36', '56+36=92'] Exploring Operation: 92-58=34, Resulting Numbers: [34] 34,61 unequal: No Solution Exploring Operation: 58+92=150, Resulting Numbers: [150] 150,61 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 61:[56, 94], Operations: ['2*18=36', '58+36=94'] Exploring Operation: 94-56=38, Resulting Numbers: [38] 38,61 unequal: No Solution Exploring Operation: 56+94=150, Resulting Numbers: [150] 150,61 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 61:[56, 58, 20], Operations: ['2+18=20'] Exploring Operation: 56+20=76, Resulting Numbers: [58, 76] Generated Node #0,1,0: 61:[58, 76] Operation: 56+20=76 Exploring Operation: 58+20=78, Resulting Numbers: [56, 78] Generated Node #0,1,1: 61:[56, 78] Operation: 58+20=78 Moving to Node #0,1,0 Current State: 61:[58, 76], Operations: ['2+18=20', '56+20=76'] Exploring Operation: 76-58=18, Resulting Numbers: [18] 18,61 unequal: No Solution Exploring Operation: 58+76=134, Resulting Numbers: [134] 134,61 unequal: No Solution Moving to Node #0,1,1 Current State: 61:[56, 78], Operations: ['2+18=20', '58+20=78'] Exploring Operation: 78-56=22, Resulting Numbers: [22] 22,61 unequal: No Solution Exploring Operation: 56+78=134, Resulting Numbers: [134] 134,61 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
[ 86, 79, 3, 45 ]
70
[ "86+79=165", "45+165=210", "210/3=70" ]
Current State: 70:[86, 79, 3, 45], Operations: [] Exploring Operation: 86+79=165, Resulting Numbers: [3, 45, 165] Generated Node #2: [3, 45, 165] from Operation: 86+79=165 Current State: 70:[3, 45, 165], Operations: ['86+79=165'] Exploring Operation: 45+165=210, Resulting Numbers: [3, 210] Generated Node #3: [3, 210] from Operation: 45+165=210 Current State: 70:[3, 210], Operations: ['86+79=165', '45+165=210'] Exploring Operation: 210/3=70, Resulting Numbers: [70] 70,70 equal: Goal Reached
4
Current State: 70:[86, 79, 3, 45], Operations: [] Exploring Operation: 86-45=41, Resulting Numbers: [79, 3, 41] Generated Node #0,0: 70:[79, 3, 41] Operation: 86-45=41 Exploring Operation: 86-79=7, Resulting Numbers: [3, 45, 7] Generated Node #0,1: 70:[3, 45, 7] Operation: 86-79=7 Moving to Node #0,1 Current State: 70:[3, 45, 7], Operations: ['86-79=7'] Exploring Operation: 45/3=15, Resulting Numbers: [7, 15] Generated Node #0,1,0: 70:[7, 15] Operation: 45/3=15 Exploring Operation: 45-7=38, Resulting Numbers: [3, 38] Generated Node #0,1,1: 70:[3, 38] Operation: 45-7=38 Moving to Node #0,0 Current State: 70:[79, 3, 41], Operations: ['86-45=41'] Exploring Operation: 79-41=38, Resulting Numbers: [3, 38] Generated Node #0,0,0: 70:[3, 38] Operation: 79-41=38 Exploring Operation: 79-3=76, Resulting Numbers: [41, 76] Generated Node #0,0,1: 70:[41, 76] Operation: 79-3=76 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 70:[3, 38], Operations: ['86-45=41', '79-41=38'] Exploring Operation: 3+38=41, Resulting Numbers: [41] 41,70 unequal: No Solution Exploring Operation: 38-3=35, Resulting Numbers: [35] 35,70 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:[41, 76], Operations: ['86-45=41', '79-3=76'] Exploring Operation: 41+76=117, Resulting Numbers: [117] 117,70 unequal: No Solution Exploring Operation: 76-41=35, Resulting Numbers: [35] 35,70 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: 70:[7, 15], Operations: ['86-79=7', '45/3=15'] Exploring Operation: 15-7=8, Resulting Numbers: [8] 8,70 unequal: No Solution Exploring Operation: 7+15=22, Resulting Numbers: [22] 22,70 unequal: No Solution Moving to Node #0,1,1 Current State: 70:[3, 38], Operations: ['86-79=7', '45-7=38'] Exploring Operation: 38-3=35, Resulting Numbers: [35] 35,70 unequal: No Solution Exploring Operation: 3+38=41, Resulting Numbers: [41] 41,70 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 89, 67, 6, 79 ]
39
[ "89+79=168", "168/6=28", "67-28=39" ]
Current State: 39:[89, 67, 6, 79], Operations: [] Exploring Operation: 89+79=168, Resulting Numbers: [67, 6, 168] Generated Node #2: [67, 6, 168] from Operation: 89+79=168 Current State: 39:[67, 6, 168], Operations: ['89+79=168'] Exploring Operation: 168/6=28, Resulting Numbers: [67, 28] Generated Node #3: [67, 28] from Operation: 168/6=28 Current State: 39:[67, 28], Operations: ['89+79=168', '168/6=28'] Exploring Operation: 67-28=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
4
Current State: 39:[89, 67, 6, 79], Operations: [] Exploring Operation: 89-79=10, Resulting Numbers: [67, 6, 10] Generated Node #0,0: 39:[67, 6, 10] Operation: 89-79=10 Moving to Node #0,0 Current State: 39:[67, 6, 10], Operations: ['89-79=10'] Exploring Operation: 67-10=57, Resulting Numbers: [6, 57] Generated Node #0,0,0: 39:[6, 57] Operation: 67-10=57 Moving to Node #0,0,0 Current State: 39:[6, 57], Operations: ['89-79=10', '67-10=57'] Exploring Operation: 57-6=51, Resulting Numbers: [51] 51,39 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 95, 5, 43, 89 ]
54
[ "95+5=100", "89-43=46", "100-46=54" ]
Current State: 54:[95, 5, 43, 89], Operations: [] Exploring Operation: 95+5=100, Resulting Numbers: [43, 89, 100] Generated Node #2: [43, 89, 100] from Operation: 95+5=100 Current State: 54:[43, 89, 100], Operations: ['95+5=100'] Exploring Operation: 89-43=46, Resulting Numbers: [100, 46] Generated Node #3: [100, 46] from Operation: 89-43=46 Current State: 54:[100, 46], Operations: ['95+5=100', '89-43=46'] Exploring Operation: 100-46=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
4
Current State: 54:[95, 5, 43, 89], Operations: [] Exploring Operation: 89-43=46, Resulting Numbers: [95, 5, 46] Generated Node #0,0: 54:[95, 5, 46] Operation: 89-43=46 Exploring Operation: 95-89=6, Resulting Numbers: [5, 43, 6] Generated Node #0,1: 54:[5, 43, 6] Operation: 95-89=6 Exploring Operation: 95/5=19, Resulting Numbers: [43, 89, 19] Generated Node #0,2: 54:[43, 89, 19] Operation: 95/5=19 Exploring Operation: 95-43=52, Resulting Numbers: [5, 89, 52] Generated Node #0,3: 54:[5, 89, 52] Operation: 95-43=52 Moving to Node #0,1 Current State: 54:[5, 43, 6], Operations: ['95-89=6'] Exploring Operation: 43-6=37, Resulting Numbers: [5, 37] Generated Node #0,1,0: 54:[5, 37] Operation: 43-6=37 Exploring Operation: 43+6=49, Resulting Numbers: [5, 49] Generated Node #0,1,1: 54:[5, 49] Operation: 43+6=49 Exploring Operation: 5+43=48, Resulting Numbers: [6, 48] Generated Node #0,1,2: 54:[6, 48] Operation: 5+43=48 Exploring Operation: 43-5=38, Resulting Numbers: [6, 38] Generated Node #0,1,3: 54:[6, 38] Operation: 43-5=38 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 54:[5, 49], Operations: ['95-89=6', '43+6=49'] Exploring Operation: 49-5=44, Resulting Numbers: [44] 44,54 unequal: No Solution Exploring Operation: 5*49=245, Resulting Numbers: [245] 245,54 unequal: No Solution Exploring Operation: 5+49=54, Resulting Numbers: [54] 54,54 equal: Goal Reached Moving to Node #0 Current State: 54:[95, 5, 43, 89], Operations: [] Exploring Operation: 95-89=6, Resulting Numbers: [5, 43, 6] Generated Node #0,1: 54:[5, 43, 6] Operation: 95-89=6 Moving to Node #0,1 Current State: 54:[5, 43, 6], Operations: ['95-89=6'] Exploring Operation: 43+6=49, Resulting Numbers: [5, 49] Generated Node #0,1,1: 54:[5, 49] Operation: 43+6=49 Moving to Node #0,1,1 Current State: 54:[5, 49], Operations: ['95-89=6', '43+6=49'] Exploring Operation: 5+49=54, Resulting Numbers: [54] 54,54 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_4
sum_heuristic
[ 39, 63, 26, 76 ]
74
[ "63-39=24", "76-26=50", "24+50=74" ]
Current State: 74:[39, 63, 26, 76], Operations: [] Exploring Operation: 63-39=24, Resulting Numbers: [26, 76, 24] Generated Node #2: [26, 76, 24] from Operation: 63-39=24 Current State: 74:[26, 76, 24], Operations: ['63-39=24'] Exploring Operation: 76-26=50, Resulting Numbers: [24, 50] Generated Node #3: [24, 50] from Operation: 76-26=50 Current State: 74:[24, 50], Operations: ['63-39=24', '76-26=50'] Exploring Operation: 24+50=74, Resulting Numbers: [74] 74,74 equal: Goal Reached
4
Current State: 74:[39, 63, 26, 76], Operations: [] Exploring Operation: 39+26=65, Resulting Numbers: [63, 76, 65] Generated Node #0,0: 74:[63, 76, 65] Operation: 39+26=65 Exploring Operation: 63+26=89, Resulting Numbers: [39, 76, 89] Generated Node #0,1: 74:[39, 76, 89] Operation: 63+26=89 Exploring Operation: 63-26=37, Resulting Numbers: [39, 76, 37] Generated Node #0,2: 74:[39, 76, 37] Operation: 63-26=37 Moving to Node #0,2 Current State: 74:[39, 76, 37], Operations: ['63-26=37'] Exploring Operation: 39-37=2, Resulting Numbers: [76, 2] Generated Node #0,2,0: 74:[76, 2] Operation: 39-37=2 Exploring Operation: 76-39=37, Resulting Numbers: [37, 37] Generated Node #0,2,1: 74:[37, 37] Operation: 76-39=37 Exploring Operation: 39+37=76, Resulting Numbers: [76, 76] Generated Node #0,2,2: 74:[76, 76] Operation: 39+37=76 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 74:[37, 37], Operations: ['63-26=37', '76-39=37'] Exploring Operation: 37/37=1, Resulting Numbers: [1] 1,74 unequal: No Solution Exploring Operation: 37-37=0, Resulting Numbers: [0] 0,74 unequal: No Solution Exploring Operation: 37+37=74, Resulting Numbers: [74] 74,74 equal: Goal Reached Moving to Node #0 Current State: 74:[39, 63, 26, 76], Operations: [] Exploring Operation: 63-26=37, Resulting Numbers: [39, 76, 37] Generated Node #0,2: 74:[39, 76, 37] Operation: 63-26=37 Moving to Node #0,2 Current State: 74:[39, 76, 37], Operations: ['63-26=37'] Exploring Operation: 76-39=37, Resulting Numbers: [37, 37] Generated Node #0,2,1: 74:[37, 37] Operation: 76-39=37 Moving to Node #0,2,1 Current State: 74:[37, 37], Operations: ['63-26=37', '76-39=37'] Exploring Operation: 37+37=74, Resulting Numbers: [74] 74,74 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_3
mult_heuristic
[ 70, 78, 95, 85 ]
75
[ "95-78=17", "85/17=5", "70+5=75" ]
Current State: 75:[70, 78, 95, 85], Operations: [] Exploring Operation: 95-78=17, Resulting Numbers: [70, 85, 17] Generated Node #2: [70, 85, 17] from Operation: 95-78=17 Current State: 75:[70, 85, 17], Operations: ['95-78=17'] Exploring Operation: 85/17=5, Resulting Numbers: [70, 5] Generated Node #3: [70, 5] from Operation: 85/17=5 Current State: 75:[70, 5], Operations: ['95-78=17', '85/17=5'] Exploring Operation: 70+5=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
4
Current State: 75:[70, 78, 95, 85], Operations: [] Exploring Operation: 95-70=25, Resulting Numbers: [78, 85, 25] Generated Node #0,0: 75:[78, 85, 25] Operation: 95-70=25 Moving to Node #0,0 Current State: 75:[78, 85, 25], Operations: ['95-70=25'] Exploring Operation: 85-78=7, Resulting Numbers: [25, 7] Generated Node #0,0,0: 75:[25, 7] Operation: 85-78=7 Moving to Node #0,0,0 Current State: 75:[25, 7], Operations: ['95-70=25', '85-78=7'] Exploring Operation: 25-7=18, Resulting Numbers: [18] 18,75 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 83, 16, 20, 16 ]
87
[ "20-16=4", "16/4=4", "83+4=87" ]
Current State: 87:[83, 16, 20, 16], Operations: [] Exploring Operation: 20-16=4, Resulting Numbers: [83, 4] Generated Node #2: [83, 4] from Operation: 20-16=4 Current State: 87:[83, 4], Operations: ['20-16=4'] Exploring Operation: 16/4=4, Resulting Numbers: [83, 4] Generated Node #3: [83, 4] from Operation: 16/4=4 Current State: 87:[83, 4], Operations: ['20-16=4', '16/4=4'] Exploring Operation: 83+4=87, Resulting Numbers: [87] 87,87 equal: Goal Reached
4
Current State: 87:[83, 16, 20, 16], Operations: [] Exploring Operation: 16+16=32, Resulting Numbers: [83, 20, 32] Generated Node #0,0: 87:[83, 20, 32] Operation: 16+16=32 Exploring Operation: 20-16=4, Resulting Numbers: [83, 16, 4] Generated Node #0,1: 87:[83, 16, 4] Operation: 20-16=4 Exploring Operation: 16-16=0, Resulting Numbers: [83, 20, 0] Generated Node #0,2: 87:[83, 20, 0] Operation: 16-16=0 Exploring Operation: 16/16=1, Resulting Numbers: [83, 20, 1] Generated Node #0,3: 87:[83, 20, 1] Operation: 16/16=1 Moving to Node #0,3 Current State: 87:[83, 20, 1], Operations: ['16/16=1'] Exploring Operation: 83*1=83, Resulting Numbers: [20, 83] Generated Node #0,3,0: 87:[20, 83] Operation: 83*1=83 Exploring Operation: 83/1=83, Resulting Numbers: [20, 83] Generated Node #0,3,1: 87:[20, 83] Operation: 83/1=83 Exploring Operation: 20+1=21, Resulting Numbers: [83, 21] Generated Node #0,3,2: 87:[83, 21] Operation: 20+1=21 Exploring Operation: 83+1=84, Resulting Numbers: [20, 84] Generated Node #0,3,3: 87:[20, 84] Operation: 83+1=84 Moving to Node #0,2 Current State: 87:[83, 20, 0], Operations: ['16-16=0'] Exploring Operation: 83+0=83, Resulting Numbers: [20, 83] Generated Node #0,2,0: 87:[20, 83] Operation: 83+0=83 Exploring Operation: 83*0=0, Resulting Numbers: [20, 0] Generated Node #0,2,1: 87:[20, 0] Operation: 83*0=0 Exploring Operation: 83-0=83, Resulting Numbers: [20, 83] Generated Node #0,2,2: 87:[20, 83] Operation: 83-0=83 Exploring Operation: 20*0=0, Resulting Numbers: [83, 0] Generated Node #0,2,3: 87:[83, 0] Operation: 20*0=0 Moving to Node #0,0 Current State: 87:[83, 20, 32], Operations: ['16+16=32'] Exploring Operation: 20+32=52, Resulting Numbers: [83, 52] Generated Node #0,0,0: 87:[83, 52] Operation: 20+32=52 Exploring Operation: 83-20=63, Resulting Numbers: [32, 63] Generated Node #0,0,1: 87:[32, 63] Operation: 83-20=63 Exploring Operation: 32-20=12, Resulting Numbers: [83, 12] Generated Node #0,0,2: 87:[83, 12] Operation: 32-20=12 Exploring Operation: 83+20=103, Resulting Numbers: [32, 103] Generated Node #0,0,3: 87:[32, 103] Operation: 83+20=103 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 87:[83, 12], Operations: ['16+16=32', '32-20=12'] Exploring Operation: 83-12=71, Resulting Numbers: [71] 71,87 unequal: No Solution Exploring Operation: 83*12=996, Resulting Numbers: [996] 996,87 unequal: No Solution Exploring Operation: 83+12=95, Resulting Numbers: [95] 95,87 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 87:[32, 103], Operations: ['16+16=32', '83+20=103'] Exploring Operation: 32*103=3296, Resulting Numbers: [3296] 3296,87 unequal: No Solution Exploring Operation: 32+103=135, Resulting Numbers: [135] 135,87 unequal: No Solution Exploring Operation: 103-32=71, Resulting Numbers: [71] 71,87 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 87:[83, 52], Operations: ['16+16=32', '20+32=52'] Exploring Operation: 83*52=4316, Resulting Numbers: [4316] 4316,87 unequal: No Solution Exploring Operation: 83-52=31, Resulting Numbers: [31] 31,87 unequal: No Solution Exploring Operation: 83+52=135, Resulting Numbers: [135] 135,87 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 87:[32, 63], Operations: ['16+16=32', '83-20=63'] Exploring Operation: 63-32=31, Resulting Numbers: [31] 31,87 unequal: No Solution Exploring Operation: 32*63=2016, Resulting Numbers: [2016] 2016,87 unequal: No Solution Exploring Operation: 32+63=95, Resulting Numbers: [95] 95,87 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: 87:[83, 16, 4], Operations: ['20-16=4'] Exploring Operation: 16+4=20, Resulting Numbers: [83, 20] Generated Node #0,1,0: 87:[83, 20] Operation: 16+4=20 Exploring Operation: 83+4=87, Resulting Numbers: [16, 87] Generated Node #0,1,1: 87:[16, 87] Operation: 83+4=87 Exploring Operation: 83+16=99, Resulting Numbers: [4, 99] Generated Node #0,1,2: 87:[4, 99] Operation: 83+16=99 Exploring Operation: 16/4=4, Resulting Numbers: [83, 4] Generated Node #0,1,3: 87:[83, 4] Operation: 16/4=4 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 87:[83, 4], Operations: ['20-16=4', '16/4=4'] Exploring Operation: 83-4=79, Resulting Numbers: [79] 79,87 unequal: No Solution Exploring Operation: 83+4=87, Resulting Numbers: [87] 87,87 equal: Goal Reached Moving to Node #0 Current State: 87:[83, 16, 20, 16], Operations: [] Exploring Operation: 20-16=4, Resulting Numbers: [83, 16, 4] Generated Node #0,1: 87:[83, 16, 4] Operation: 20-16=4 Moving to Node #0,1 Current State: 87:[83, 16, 4], Operations: ['20-16=4'] Exploring Operation: 16/4=4, Resulting Numbers: [83, 4] Generated Node #0,1,3: 87:[83, 4] Operation: 16/4=4 Moving to Node #0,1,3 Current State: 87:[83, 4], Operations: ['20-16=4', '16/4=4'] Exploring Operation: 83+4=87, Resulting Numbers: [87] 87,87 equal: Goal Reached Exit Sub Search at level 1
0.967014
hs_4
sum_heuristic
[ 26, 74, 8, 67 ]
26
[ "74-8=66", "67-66=1", "26*1=26" ]
Current State: 26:[26, 74, 8, 67], Operations: [] Exploring Operation: 74-8=66, Resulting Numbers: [26, 67, 66] Generated Node #2: [26, 67, 66] from Operation: 74-8=66 Current State: 26:[26, 67, 66], Operations: ['74-8=66'] Exploring Operation: 67-66=1, Resulting Numbers: [26, 1] Generated Node #3: [26, 1] from Operation: 67-66=1 Current State: 26:[26, 1], Operations: ['74-8=66', '67-66=1'] Exploring Operation: 26*1=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
4
Current State: 26:[26, 74, 8, 67], Operations: [] Exploring Operation: 74-26=48, Resulting Numbers: [8, 67, 48] Generated Node #0,0: 26:[8, 67, 48] Operation: 74-26=48 Exploring Operation: 67-8=59, Resulting Numbers: [26, 74, 59] Generated Node #0,1: 26:[26, 74, 59] Operation: 67-8=59 Exploring Operation: 74-67=7, Resulting Numbers: [26, 8, 7] Generated Node #0,2: 26:[26, 8, 7] Operation: 74-67=7 Exploring Operation: 74-8=66, Resulting Numbers: [26, 67, 66] Generated Node #0,3: 26:[26, 67, 66] Operation: 74-8=66 Exploring Operation: 67-26=41, Resulting Numbers: [74, 8, 41] Generated Node #0,4: 26:[74, 8, 41] Operation: 67-26=41 Start Sub Search at level 1: Moving to Node #0,2 Current State: 26:[26, 8, 7], Operations: ['74-67=7'] Exploring Operation: 26-8=18, Resulting Numbers: [7, 18] Generated Node #0,2,0: 26:[7, 18] Operation: 26-8=18 Exploring Operation: 26-7=19, Resulting Numbers: [8, 19] Generated Node #0,2,1: 26:[8, 19] Operation: 26-7=19 Exploring Operation: 8+7=15, Resulting Numbers: [26, 15] Generated Node #0,2,2: 26:[26, 15] Operation: 8+7=15 Exploring Operation: 8-7=1, Resulting Numbers: [26, 1] Generated Node #0,2,3: 26:[26, 1] Operation: 8-7=1 Exploring Operation: 26+7=33, Resulting Numbers: [8, 33] Generated Node #0,2,4: 26:[8, 33] Operation: 26+7=33 Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 26:[26, 1], Operations: ['74-67=7', '8-7=1'] Exploring Operation: 26*1=26, Resulting Numbers: [26] 26,26 equal: Goal Reached Moving to Node #0 Current State: 26:[26, 74, 8, 67], Operations: [] Exploring Operation: 74-67=7, Resulting Numbers: [26, 8, 7] Generated Node #0,2: 26:[26, 8, 7] Operation: 74-67=7 Moving to Node #0,2 Current State: 26:[26, 8, 7], Operations: ['74-67=7'] Exploring Operation: 8-7=1, Resulting Numbers: [26, 1] Generated Node #0,2,3: 26:[26, 1] Operation: 8-7=1 Moving to Node #0,2,3 Current State: 26:[26, 1], Operations: ['74-67=7', '8-7=1'] Exploring Operation: 26*1=26, Resulting Numbers: [26] 26,26 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986979
hs_5
mult_heuristic
[ 19, 50, 55, 17 ]
100
[ "55-17=38", "38/19=2", "50*2=100" ]
Current State: 100:[19, 50, 55, 17], Operations: [] Exploring Operation: 55-17=38, Resulting Numbers: [19, 50, 38] Generated Node #2: [19, 50, 38] from Operation: 55-17=38 Current State: 100:[19, 50, 38], Operations: ['55-17=38'] Exploring Operation: 38/19=2, Resulting Numbers: [50, 2] Generated Node #3: [50, 2] from Operation: 38/19=2 Current State: 100:[50, 2], Operations: ['55-17=38', '38/19=2'] Exploring Operation: 50*2=100, Resulting Numbers: [100] 100,100 equal: Goal Reached
4
Current State: 100:[19, 50, 55, 17], Operations: [] Exploring Operation: 50+55=105, Resulting Numbers: [19, 17, 105] Generated Node #0,0: 100:[19, 17, 105] Operation: 50+55=105 Exploring Operation: 55-17=38, Resulting Numbers: [19, 50, 38] Generated Node #0,1: 100:[19, 50, 38] Operation: 55-17=38 Exploring Operation: 55-50=5, Resulting Numbers: [19, 17, 5] Generated Node #0,2: 100:[19, 17, 5] Operation: 55-50=5 Exploring Operation: 19-17=2, Resulting Numbers: [50, 55, 2] Generated Node #0,3: 100:[50, 55, 2] Operation: 19-17=2 Start Sub Search at level 1: Moving to Node #0,2 Current State: 100:[19, 17, 5], Operations: ['55-50=5'] Exploring Operation: 17+5=22, Resulting Numbers: [19, 22] Generated Node #0,2,0: 100:[19, 22] Operation: 17+5=22 Exploring Operation: 19+5=24, Resulting Numbers: [17, 24] Generated Node #0,2,1: 100:[17, 24] Operation: 19+5=24 Exploring Operation: 17-5=12, Resulting Numbers: [19, 12] Generated Node #0,2,2: 100:[19, 12] Operation: 17-5=12 Exploring Operation: 19-17=2, Resulting Numbers: [5, 2] Generated Node #0,2,3: 100:[5, 2] Operation: 19-17=2 Moving to Node #0,2,3 Current State: 100:[5, 2], Operations: ['55-50=5', '19-17=2'] Exploring Operation: 5-2=3, Resulting Numbers: [3] 3,100 unequal: No Solution Exploring Operation: 5*2=10, Resulting Numbers: [10] 10,100 unequal: No Solution Exploring Operation: 5+2=7, Resulting Numbers: [7] 7,100 unequal: No Solution Moving to Node #0,2,2 Current State: 100:[19, 12], Operations: ['55-50=5', '17-5=12'] Exploring Operation: 19-12=7, Resulting Numbers: [7] 7,100 unequal: No Solution Exploring Operation: 19*12=228, Resulting Numbers: [228] 228,100 unequal: No Solution Exploring Operation: 19+12=31, Resulting Numbers: [31] 31,100 unequal: No Solution Moving to Node #0,2,0 Current State: 100:[19, 22], Operations: ['55-50=5', '17+5=22'] Exploring Operation: 19+22=41, Resulting Numbers: [41] 41,100 unequal: No Solution Exploring Operation: 22-19=3, Resulting Numbers: [3] 3,100 unequal: No Solution Exploring Operation: 19*22=418, Resulting Numbers: [418] 418,100 unequal: No Solution Moving to Node #0,2,1 Current State: 100:[17, 24], Operations: ['55-50=5', '19+5=24'] Exploring Operation: 17+24=41, Resulting Numbers: [41] 41,100 unequal: No Solution Exploring Operation: 24-17=7, Resulting Numbers: [7] 7,100 unequal: No Solution Exploring Operation: 17*24=408, Resulting Numbers: [408] 408,100 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 100:[50, 55, 2], Operations: ['19-17=2'] Exploring Operation: 55-2=53, Resulting Numbers: [50, 53] Generated Node #0,3,0: 100:[50, 53] Operation: 55-2=53 Exploring Operation: 55-50=5, Resulting Numbers: [2, 5] Generated Node #0,3,1: 100:[2, 5] Operation: 55-50=5 Exploring Operation: 50*2=100, Resulting Numbers: [55, 100] Generated Node #0,3,2: 100:[55, 100] Operation: 50*2=100 Exploring Operation: 50+55=105, Resulting Numbers: [2, 105] Generated Node #0,3,3: 100:[2, 105] Operation: 50+55=105 Moving to Node #0,3,1 Current State: 100:[2, 5], Operations: ['19-17=2', '55-50=5'] Exploring Operation: 2+5=7, Resulting Numbers: [7] 7,100 unequal: No Solution Exploring Operation: 5-2=3, Resulting Numbers: [3] 3,100 unequal: No Solution Exploring Operation: 2*5=10, Resulting Numbers: [10] 10,100 unequal: No Solution Moving to Node #0,3,0 Current State: 100:[50, 53], Operations: ['19-17=2', '55-2=53'] Exploring Operation: 50*53=2650, Resulting Numbers: [2650] 2650,100 unequal: No Solution Exploring Operation: 50+53=103, Resulting Numbers: [103] 103,100 unequal: No Solution Exploring Operation: 53-50=3, Resulting Numbers: [3] 3,100 unequal: No Solution Moving to Node #0,3,3 Current State: 100:[2, 105], Operations: ['19-17=2', '50+55=105'] Exploring Operation: 105-2=103, Resulting Numbers: [103] 103,100 unequal: No Solution Exploring Operation: 2+105=107, Resulting Numbers: [107] 107,100 unequal: No Solution Exploring Operation: 2*105=210, Resulting Numbers: [210] 210,100 unequal: No Solution Moving to Node #0,3,2 Current State: 100:[55, 100], Operations: ['19-17=2', '50*2=100'] Exploring Operation: 100-55=45, Resulting Numbers: [45] 45,100 unequal: No Solution Exploring Operation: 55*100=5500, Resulting Numbers: [5500] 5500,100 unequal: No Solution Exploring Operation: 55+100=155, Resulting Numbers: [155] 155,100 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 100:[19, 17, 105], Operations: ['50+55=105'] Exploring Operation: 19+17=36, Resulting Numbers: [105, 36] Generated Node #0,0,0: 100:[105, 36] Operation: 19+17=36 Exploring Operation: 105-19=86, Resulting Numbers: [17, 86] Generated Node #0,0,1: 100:[17, 86] Operation: 105-19=86 Exploring Operation: 19-17=2, Resulting Numbers: [105, 2] Generated Node #0,0,2: 100:[105, 2] Operation: 19-17=2 Exploring Operation: 105-17=88, Resulting Numbers: [19, 88] Generated Node #0,0,3: 100:[19, 88] Operation: 105-17=88 Moving to Node #0,0,2 Current State: 100:[105, 2], Operations: ['50+55=105', '19-17=2'] Exploring Operation: 105-2=103, Resulting Numbers: [103] 103,100 unequal: No Solution Exploring Operation: 105*2=210, Resulting Numbers: [210] 210,100 unequal: No Solution Exploring Operation: 105+2=107, Resulting Numbers: [107] 107,100 unequal: No Solution Moving to Node #0,0,3 Current State: 100:[19, 88], Operations: ['50+55=105', '105-17=88'] Exploring Operation: 19+88=107, Resulting Numbers: [107] 107,100 unequal: No Solution Exploring Operation: 88-19=69, Resulting Numbers: [69] 69,100 unequal: No Solution Exploring Operation: 19*88=1672, Resulting Numbers: [1672] 1672,100 unequal: No Solution Moving to Node #0,0,0 Current State: 100:[105, 36], Operations: ['50+55=105', '19+17=36'] Exploring Operation: 105*36=3780, Resulting Numbers: [3780] 3780,100 unequal: No Solution Exploring Operation: 105+36=141, Resulting Numbers: [141] 141,100 unequal: No Solution Exploring Operation: 105-36=69, Resulting Numbers: [69] 69,100 unequal: No Solution Moving to Node #0,0,1 Current State: 100:[17, 86], Operations: ['50+55=105', '105-19=86'] Exploring Operation: 17*86=1462, Resulting Numbers: [1462] 1462,100 unequal: No Solution Exploring Operation: 17+86=103, Resulting Numbers: [103] 103,100 unequal: No Solution Exploring Operation: 86-17=69, Resulting Numbers: [69] 69,100 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 100:[19, 50, 38], Operations: ['55-17=38'] Exploring Operation: 38/19=2, Resulting Numbers: [50, 2] Generated Node #0,1,0: 100:[50, 2] Operation: 38/19=2 Exploring Operation: 38-19=19, Resulting Numbers: [50, 19] Generated Node #0,1,1: 100:[50, 19] Operation: 38-19=19 Exploring Operation: 50-38=12, Resulting Numbers: [19, 12] Generated Node #0,1,2: 100:[19, 12] Operation: 50-38=12 Exploring Operation: 19+38=57, Resulting Numbers: [50, 57] Generated Node #0,1,3: 100:[50, 57] Operation: 19+38=57 Moving to Node #0,1,0 Current State: 100:[50, 2], Operations: ['55-17=38', '38/19=2'] Exploring Operation: 50/2=25, Resulting Numbers: [25] 25,100 unequal: No Solution Exploring Operation: 50+2=52, Resulting Numbers: [52] 52,100 unequal: No Solution Exploring Operation: 50*2=100, Resulting Numbers: [100] 100,100 equal: Goal Reached Moving to Node #0 Current State: 100:[19, 50, 55, 17], Operations: [] Exploring Operation: 55-17=38, Resulting Numbers: [19, 50, 38] Generated Node #0,1: 100:[19, 50, 38] Operation: 55-17=38 Moving to Node #0,1 Current State: 100:[19, 50, 38], Operations: ['55-17=38'] Exploring Operation: 38/19=2, Resulting Numbers: [50, 2] Generated Node #0,1,0: 100:[50, 2] Operation: 38/19=2 Moving to Node #0,1,0 Current State: 100:[50, 2], Operations: ['55-17=38', '38/19=2'] Exploring Operation: 50*2=100, Resulting Numbers: [100] 100,100 equal: Goal Reached Exit Sub Search at level 1
0.945313
hs_4
sum_heuristic
[ 37, 82, 2, 49 ]
58
[ "49-37=12", "2*12=24", "82-24=58" ]
Current State: 58:[37, 82, 2, 49], Operations: [] Exploring Operation: 49-37=12, Resulting Numbers: [82, 2, 12] Generated Node #2: [82, 2, 12] from Operation: 49-37=12 Current State: 58:[82, 2, 12], Operations: ['49-37=12'] Exploring Operation: 2*12=24, Resulting Numbers: [82, 24] Generated Node #3: [82, 24] from Operation: 2*12=24 Current State: 58:[82, 24], Operations: ['49-37=12', '2*12=24'] Exploring Operation: 82-24=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[37, 82, 2, 49], Operations: [] Exploring Operation: 82-49=33, Resulting Numbers: [37, 2, 33] Generated Node #0,0: 58:[37, 2, 33] Operation: 82-49=33 Exploring Operation: 82-37=45, Resulting Numbers: [2, 49, 45] Generated Node #0,1: 58:[2, 49, 45] Operation: 82-37=45 Exploring Operation: 82/2=41, Resulting Numbers: [37, 49, 41] Generated Node #0,2: 58:[37, 49, 41] Operation: 82/2=41 Exploring Operation: 49-37=12, Resulting Numbers: [82, 2, 12] Generated Node #0,3: 58:[82, 2, 12] Operation: 49-37=12 Moving to Node #0,0 Current State: 58:[37, 2, 33], Operations: ['82-49=33'] Exploring Operation: 37+33=70, Resulting Numbers: [2, 70] Generated Node #0,0,0: 58:[2, 70] Operation: 37+33=70 Exploring Operation: 33-2=31, Resulting Numbers: [37, 31] Generated Node #0,0,1: 58:[37, 31] Operation: 33-2=31 Exploring Operation: 37-33=4, Resulting Numbers: [2, 4] Generated Node #0,0,2: 58:[2, 4] Operation: 37-33=4 Exploring Operation: 37-2=35, Resulting Numbers: [33, 35] Generated Node #0,0,3: 58:[33, 35] Operation: 37-2=35 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 58:[2, 4], Operations: ['82-49=33', '37-33=4'] Exploring Operation: 4/2=2, Resulting Numbers: [2] 2,58 unequal: No Solution Exploring Operation: 4-2=2, Resulting Numbers: [2] 2,58 unequal: No Solution Exploring Operation: 2+4=6, Resulting Numbers: [6] 6,58 unequal: No Solution Exploring Operation: 2*4=8, Resulting Numbers: [8] 8,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 58:[37, 31], Operations: ['82-49=33', '33-2=31'] Exploring Operation: 37-31=6, Resulting Numbers: [6] 6,58 unequal: No Solution Exploring Operation: 37*31=1147, Resulting Numbers: [1147] 1147,58 unequal: No Solution Exploring Operation: 37+31=68, Resulting Numbers: [68] 68,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 58:[33, 35], Operations: ['82-49=33', '37-2=35'] Exploring Operation: 33+35=68, Resulting Numbers: [68] 68,58 unequal: No Solution Exploring Operation: 35-33=2, Resulting Numbers: [2] 2,58 unequal: No Solution Exploring Operation: 33*35=1155, Resulting Numbers: [1155] 1155,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 58:[2, 70], Operations: ['82-49=33', '37+33=70'] Exploring Operation: 70-2=68, Resulting Numbers: [68] 68,58 unequal: No Solution Exploring Operation: 70/2=35, Resulting Numbers: [35] 35,58 unequal: No Solution Exploring Operation: 2*70=140, Resulting Numbers: [140] 140,58 unequal: No Solution Exploring Operation: 2+70=72, Resulting Numbers: [72] 72,58 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: 58:[2, 49, 45], Operations: ['82-37=45'] Exploring Operation: 49-45=4, Resulting Numbers: [2, 4] Generated Node #0,1,0: 58:[2, 4] Operation: 49-45=4 Exploring Operation: 2+45=47, Resulting Numbers: [49, 47] Generated Node #0,1,1: 58:[49, 47] Operation: 2+45=47 Exploring Operation: 2+49=51, Resulting Numbers: [45, 51] Generated Node #0,1,2: 58:[45, 51] Operation: 2+49=51 Exploring Operation: 45-2=43, Resulting Numbers: [49, 43] Generated Node #0,1,3: 58:[49, 43] Operation: 45-2=43 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 58:[2, 4], Operations: ['82-37=45', '49-45=4'] Exploring Operation: 2+4=6, Resulting Numbers: [6] 6,58 unequal: No Solution Exploring Operation: 4/2=2, Resulting Numbers: [2] 2,58 unequal: No Solution Exploring Operation: 4-2=2, Resulting Numbers: [2] 2,58 unequal: No Solution Exploring Operation: 2*4=8, Resulting Numbers: [8] 8,58 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:[49, 47], Operations: ['82-37=45', '2+45=47'] Exploring Operation: 49-47=2, Resulting Numbers: [2] 2,58 unequal: No Solution Exploring Operation: 49*47=2303, Resulting Numbers: [2303] 2303,58 unequal: No Solution Exploring Operation: 49+47=96, Resulting Numbers: [96] 96,58 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:[45, 51], Operations: ['82-37=45', '2+49=51'] Exploring Operation: 51-45=6, Resulting Numbers: [6] 6,58 unequal: No Solution Exploring Operation: 45+51=96, Resulting Numbers: [96] 96,58 unequal: No Solution Exploring Operation: 45*51=2295, Resulting Numbers: [2295] 2295,58 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 #0,1,3 Current State: 58:[49, 43], Operations: ['82-37=45', '45-2=43'] Exploring Operation: 49+43=92, Resulting Numbers: [92] 92,58 unequal: No Solution Exploring Operation: 49*43=2107, Resulting Numbers: [2107] 2107,58 unequal: No Solution Exploring Operation: 49-43=6, Resulting Numbers: [6] 6,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 58:[37, 49, 41], Operations: ['82/2=41'] Exploring Operation: 37+41=78, Resulting Numbers: [49, 78] Generated Node #0,2,0: 58:[49, 78] Operation: 37+41=78 Exploring Operation: 49-37=12, Resulting Numbers: [41, 12] Generated Node #0,2,1: 58:[41, 12] Operation: 49-37=12 Exploring Operation: 41-37=4, Resulting Numbers: [49, 4] Generated Node #0,2,2: 58:[49, 4] Operation: 41-37=4 Exploring Operation: 49-41=8, Resulting Numbers: [37, 8] Generated Node #0,2,3: 58:[37, 8] Operation: 49-41=8 Moving to Node #0,3 Current State: 58:[82, 2, 12], Operations: ['49-37=12'] Exploring Operation: 2*12=24, Resulting Numbers: [82, 24] Generated Node #0,3,0: 58:[82, 24] Operation: 2*12=24 Exploring Operation: 82/2=41, Resulting Numbers: [12, 41] Generated Node #0,3,1: 58:[12, 41] Operation: 82/2=41 Exploring Operation: 12/2=6, Resulting Numbers: [82, 6] Generated Node #0,3,2: 58:[82, 6] Operation: 12/2=6 Exploring Operation: 82-12=70, Resulting Numbers: [2, 70] Generated Node #0,3,3: 58:[2, 70] Operation: 82-12=70 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 58:[2, 70], Operations: ['49-37=12', '82-12=70'] Exploring Operation: 2*70=140, Resulting Numbers: [140] 140,58 unequal: No Solution Exploring Operation: 70-2=68, Resulting Numbers: [68] 68,58 unequal: No Solution Exploring Operation: 2+70=72, Resulting Numbers: [72] 72,58 unequal: No Solution Exploring Operation: 70/2=35, Resulting Numbers: [35] 35,58 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 #0,3,1 Current State: 58:[12, 41], Operations: ['49-37=12', '82/2=41'] Exploring Operation: 41-12=29, Resulting Numbers: [29] 29,58 unequal: No Solution Exploring Operation: 12+41=53, Resulting Numbers: [53] 53,58 unequal: No Solution Exploring Operation: 12*41=492, Resulting Numbers: [492] 492,58 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 #0,3,2 Current State: 58:[82, 6], Operations: ['49-37=12', '12/2=6'] Exploring Operation: 82*6=492, Resulting Numbers: [492] 492,58 unequal: No Solution Exploring Operation: 82+6=88, Resulting Numbers: [88] 88,58 unequal: No Solution Exploring Operation: 82-6=76, Resulting Numbers: [76] 76,58 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 #0,3,0 Current State: 58:[82, 24], Operations: ['49-37=12', '2*12=24'] Exploring Operation: 82+24=106, Resulting Numbers: [106] 106,58 unequal: No Solution Exploring Operation: 82*24=1968, Resulting Numbers: [1968] 1968,58 unequal: No Solution Exploring Operation: 82-24=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Moving to Node #0 Current State: 58:[37, 82, 2, 49], Operations: [] Exploring Operation: 49-37=12, Resulting Numbers: [82, 2, 12] Generated Node #0,3: 58:[82, 2, 12] Operation: 49-37=12 Moving to Node #0,3 Current State: 58:[82, 2, 12], Operations: ['49-37=12'] Exploring Operation: 2*12=24, Resulting Numbers: [82, 24] Generated Node #0,3,0: 58:[82, 24] Operation: 2*12=24 Moving to Node #0,3,0 Current State: 58:[82, 24], Operations: ['49-37=12', '2*12=24'] Exploring Operation: 82-24=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Exit Sub Search at level 1
0.944444
hs_4
sum_heuristic
[ 2, 7, 94, 12 ]
93
[ "12/2=6", "94-7=87", "6+87=93" ]
Current State: 93:[2, 7, 94, 12], Operations: [] Exploring Operation: 12/2=6, Resulting Numbers: [7, 94, 6] Generated Node #2: [7, 94, 6] from Operation: 12/2=6 Current State: 93:[7, 94, 6], Operations: ['12/2=6'] Exploring Operation: 94-7=87, Resulting Numbers: [6, 87] Generated Node #3: [6, 87] from Operation: 94-7=87 Current State: 93:[6, 87], Operations: ['12/2=6', '94-7=87'] Exploring Operation: 6+87=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
4
Current State: 93:[2, 7, 94, 12], Operations: [] Exploring Operation: 12/2=6, Resulting Numbers: [7, 94, 6] Generated Node #0,0: 93:[7, 94, 6] Operation: 12/2=6 Exploring Operation: 12-7=5, Resulting Numbers: [2, 94, 5] Generated Node #0,1: 93:[2, 94, 5] Operation: 12-7=5 Start Sub Search at level 1: Moving to Node #0,1 Current State: 93:[2, 94, 5], Operations: ['12-7=5'] Exploring Operation: 94-2=92, Resulting Numbers: [5, 92] Generated Node #0,1,0: 93:[5, 92] Operation: 94-2=92 Exploring Operation: 5-2=3, Resulting Numbers: [94, 3] Generated Node #0,1,1: 93:[94, 3] Operation: 5-2=3 Moving to Node #0,1,1 Current State: 93:[94, 3], Operations: ['12-7=5', '5-2=3'] Exploring Operation: 94+3=97, Resulting Numbers: [97] 97,93 unequal: No Solution Exploring Operation: 94-3=91, Resulting Numbers: [91] 91,93 unequal: No Solution Moving to Node #0,1,0 Current State: 93:[5, 92], Operations: ['12-7=5', '94-2=92'] Exploring Operation: 5+92=97, Resulting Numbers: [97] 97,93 unequal: No Solution Exploring Operation: 92-5=87, Resulting Numbers: [87] 87,93 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 Current State: 93:[7, 94, 6], Operations: ['12/2=6'] Exploring Operation: 94-7=87, Resulting Numbers: [6, 87] Generated Node #0,0,0: 93:[6, 87] Operation: 94-7=87 Exploring Operation: 7-6=1, Resulting Numbers: [94, 1] Generated Node #0,0,1: 93:[94, 1] Operation: 7-6=1 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 93:[94, 1], Operations: ['12/2=6', '7-6=1'] Exploring Operation: 94-1=93, Resulting Numbers: [93] 93,93 equal: Goal Reached Moving to Node #0 Current State: 93:[2, 7, 94, 12], Operations: [] Exploring Operation: 12/2=6, Resulting Numbers: [7, 94, 6] Generated Node #0,0: 93:[7, 94, 6] Operation: 12/2=6 Moving to Node #0,0 Current State: 93:[7, 94, 6], Operations: ['12/2=6'] Exploring Operation: 7-6=1, Resulting Numbers: [94, 1] Generated Node #0,0,1: 93:[94, 1] Operation: 7-6=1 Moving to Node #0,0,1 Current State: 93:[94, 1], Operations: ['12/2=6', '7-6=1'] Exploring Operation: 94-1=93, Resulting Numbers: [93] 93,93 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986979
hs_2
sum_heuristic
[ 83, 56, 75, 13 ]
48
[ "83-75=8", "13*8=104", "104-56=48" ]
Current State: 48:[83, 56, 75, 13], Operations: [] Exploring Operation: 83-75=8, Resulting Numbers: [56, 13, 8] Generated Node #2: [56, 13, 8] from Operation: 83-75=8 Current State: 48:[56, 13, 8], Operations: ['83-75=8'] Exploring Operation: 13*8=104, Resulting Numbers: [56, 104] Generated Node #3: [56, 104] from Operation: 13*8=104 Current State: 48:[56, 104], Operations: ['83-75=8', '13*8=104'] Exploring Operation: 104-56=48, Resulting Numbers: [48] 48,48 equal: Goal Reached
4
Current State: 48:[83, 56, 75, 13], Operations: [] Exploring Operation: 83-56=27, Resulting Numbers: [75, 13, 27] Generated Node #0,0: 48:[75, 13, 27] Operation: 83-56=27 Exploring Operation: 83-75=8, Resulting Numbers: [56, 13, 8] Generated Node #0,1: 48:[56, 13, 8] Operation: 83-75=8 Start Sub Search at level 1: Moving to Node #0,1 Current State: 48:[56, 13, 8], Operations: ['83-75=8'] Exploring Operation: 56-8=48, Resulting Numbers: [13, 48] Generated Node #0,1,0: 48:[13, 48] Operation: 56-8=48 Exploring Operation: 56/8=7, Resulting Numbers: [13, 7] Generated Node #0,1,1: 48:[13, 7] Operation: 56/8=7 Moving to Node #0,1,0 Current State: 48:[13, 48], Operations: ['83-75=8', '56-8=48'] Exploring Operation: 13+48=61, Resulting Numbers: [61] 61,48 unequal: No Solution Exploring Operation: 48-13=35, Resulting Numbers: [35] 35,48 unequal: No Solution Moving to Node #0,1,1 Current State: 48:[13, 7], Operations: ['83-75=8', '56/8=7'] Exploring Operation: 13-7=6, Resulting Numbers: [6] 6,48 unequal: No Solution Exploring Operation: 13+7=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 #0,0 Current State: 48:[75, 13, 27], Operations: ['83-56=27'] Exploring Operation: 75-13=62, Resulting Numbers: [27, 62] Generated Node #0,0,0: 48:[27, 62] Operation: 75-13=62 Exploring Operation: 75-27=48, Resulting Numbers: [13, 48] Generated Node #0,0,1: 48:[13, 48] Operation: 75-27=48 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 48:[13, 48], Operations: ['83-56=27', '75-27=48'] Exploring Operation: 13+48=61, Resulting Numbers: [61] 61,48 unequal: No Solution Exploring Operation: 48-13=35, Resulting Numbers: [35] 35,48 unequal: No Solution No 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: 48:[27, 62], Operations: ['83-56=27', '75-13=62'] Exploring Operation: 62-27=35, Resulting Numbers: [35] 35,48 unequal: No Solution Exploring Operation: 27+62=89, Resulting Numbers: [89] 89,48 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 59, 94, 37, 60 ]
58
[ "94-59=35", "60-37=23", "35+23=58" ]
Current State: 58:[59, 94, 37, 60], Operations: [] Exploring Operation: 94-59=35, Resulting Numbers: [37, 60, 35] Generated Node #2: [37, 60, 35] from Operation: 94-59=35 Current State: 58:[37, 60, 35], Operations: ['94-59=35'] Exploring Operation: 60-37=23, Resulting Numbers: [35, 23] Generated Node #3: [35, 23] from Operation: 60-37=23 Current State: 58:[35, 23], Operations: ['94-59=35', '60-37=23'] Exploring Operation: 35+23=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[59, 94, 37, 60], Operations: [] Exploring Operation: 94-37=57, Resulting Numbers: [59, 60, 57] Generated Node #0,0: 58:[59, 60, 57] Operation: 94-37=57 Exploring Operation: 94-59=35, Resulting Numbers: [37, 60, 35] Generated Node #0,1: 58:[37, 60, 35] Operation: 94-59=35 Exploring Operation: 94-60=34, Resulting Numbers: [59, 37, 34] Generated Node #0,2: 58:[59, 37, 34] Operation: 94-60=34 Moving to Node #0,0 Current State: 58:[59, 60, 57], Operations: ['94-37=57'] Exploring Operation: 59-57=2, Resulting Numbers: [60, 2] Generated Node #0,0,0: 58:[60, 2] Operation: 59-57=2 Exploring Operation: 60-59=1, Resulting Numbers: [57, 1] Generated Node #0,0,1: 58:[57, 1] Operation: 60-59=1 Exploring Operation: 60-57=3, Resulting Numbers: [59, 3] Generated Node #0,0,2: 58:[59, 3] Operation: 60-57=3 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 58:[60, 2], Operations: ['94-37=57', '59-57=2'] Exploring Operation: 60/2=30, Resulting Numbers: [30] 30,58 unequal: No Solution Exploring Operation: 60+2=62, Resulting Numbers: [62] 62,58 unequal: No Solution Exploring Operation: 60-2=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Moving to Node #0 Current State: 58:[59, 94, 37, 60], Operations: [] Exploring Operation: 94-37=57, Resulting Numbers: [59, 60, 57] Generated Node #0,0: 58:[59, 60, 57] Operation: 94-37=57 Moving to Node #0,0 Current State: 58:[59, 60, 57], Operations: ['94-37=57'] Exploring Operation: 59-57=2, Resulting Numbers: [60, 2] Generated Node #0,0,0: 58:[60, 2] Operation: 59-57=2 Moving to Node #0,0,0 Current State: 58:[60, 2], Operations: ['94-37=57', '59-57=2'] Exploring Operation: 60-2=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_3
sum_heuristic
[ 42, 64, 3, 21 ]
63
[ "42/21=2", "64-3=61", "2+61=63" ]
Current State: 63:[42, 64, 3, 21], Operations: [] Exploring Operation: 42/21=2, Resulting Numbers: [64, 3, 2] Generated Node #2: [64, 3, 2] from Operation: 42/21=2 Current State: 63:[64, 3, 2], Operations: ['42/21=2'] Exploring Operation: 64-3=61, Resulting Numbers: [2, 61] Generated Node #3: [2, 61] from Operation: 64-3=61 Current State: 63:[2, 61], Operations: ['42/21=2', '64-3=61'] Exploring Operation: 2+61=63, Resulting Numbers: [63] 63,63 equal: Goal Reached
4
Current State: 63:[42, 64, 3, 21], Operations: [] Exploring Operation: 64-42=22, Resulting Numbers: [3, 21, 22] Generated Node #0,0: 63:[3, 21, 22] Operation: 64-42=22 Start Sub Search at level 1: Moving to Node #0,0 Current State: 63:[3, 21, 22], Operations: ['64-42=22'] Exploring Operation: 3*21=63, Resulting Numbers: [22, 63] Generated Node #0,0,0: 63:[22, 63] Operation: 3*21=63 Moving to Node #0,0,0 Current State: 63:[22, 63], Operations: ['64-42=22', '3*21=63'] Exploring Operation: 63-22=41, Resulting Numbers: [41] 41,63 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
[ 52, 41, 78, 4 ]
34
[ "52-41=11", "4*11=44", "78-44=34" ]
Current State: 34:[52, 41, 78, 4], Operations: [] Exploring Operation: 52-41=11, Resulting Numbers: [78, 4, 11] Generated Node #2: [78, 4, 11] from Operation: 52-41=11 Current State: 34:[78, 4, 11], Operations: ['52-41=11'] Exploring Operation: 4*11=44, Resulting Numbers: [78, 44] Generated Node #3: [78, 44] from Operation: 4*11=44 Current State: 34:[78, 44], Operations: ['52-41=11', '4*11=44'] Exploring Operation: 78-44=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
4
Current State: 34:[52, 41, 78, 4], Operations: [] Exploring Operation: 78-52=26, Resulting Numbers: [41, 4, 26] Generated Node #0,0: 34:[41, 4, 26] Operation: 78-52=26 Exploring Operation: 52/4=13, Resulting Numbers: [41, 78, 13] Generated Node #0,1: 34:[41, 78, 13] Operation: 52/4=13 Exploring Operation: 78-41=37, Resulting Numbers: [52, 4, 37] Generated Node #0,2: 34:[52, 4, 37] Operation: 78-41=37 Exploring Operation: 52-4=48, Resulting Numbers: [41, 78, 48] Generated Node #0,3: 34:[41, 78, 48] Operation: 52-4=48 Exploring Operation: 52-41=11, Resulting Numbers: [78, 4, 11] Generated Node #0,4: 34:[78, 4, 11] Operation: 52-41=11 Moving to Node #0,0 Current State: 34:[41, 4, 26], Operations: ['78-52=26'] Exploring Operation: 26-4=22, Resulting Numbers: [41, 22] Generated Node #0,0,0: 34:[41, 22] Operation: 26-4=22 Exploring Operation: 41-4=37, Resulting Numbers: [26, 37] Generated Node #0,0,1: 34:[26, 37] Operation: 41-4=37 Exploring Operation: 41+4=45, Resulting Numbers: [26, 45] Generated Node #0,0,2: 34:[26, 45] Operation: 41+4=45 Exploring Operation: 4+26=30, Resulting Numbers: [41, 30] Generated Node #0,0,3: 34:[41, 30] Operation: 4+26=30 Exploring Operation: 41-26=15, Resulting Numbers: [4, 15] Generated Node #0,0,4: 34:[4, 15] Operation: 41-26=15 Moving to Node #0,2 Current State: 34:[52, 4, 37], Operations: ['78-41=37'] Exploring Operation: 52-4=48, Resulting Numbers: [37, 48] Generated Node #0,2,0: 34:[37, 48] Operation: 52-4=48 Exploring Operation: 37-4=33, Resulting Numbers: [52, 33] Generated Node #0,2,1: 34:[52, 33] Operation: 37-4=33 Exploring Operation: 52-37=15, Resulting Numbers: [4, 15] Generated Node #0,2,2: 34:[4, 15] Operation: 52-37=15 Exploring Operation: 52+4=56, Resulting Numbers: [37, 56] Generated Node #0,2,3: 34:[37, 56] Operation: 52+4=56 Exploring Operation: 52/4=13, Resulting Numbers: [37, 13] Generated Node #0,2,4: 34:[37, 13] Operation: 52/4=13 Moving to Node #0,4 Current State: 34:[78, 4, 11], Operations: ['52-41=11'] Exploring Operation: 78-11=67, Resulting Numbers: [4, 67] Generated Node #0,4,0: 34:[4, 67] Operation: 78-11=67 Exploring Operation: 11-4=7, Resulting Numbers: [78, 7] Generated Node #0,4,1: 34:[78, 7] Operation: 11-4=7 Exploring Operation: 4+11=15, Resulting Numbers: [78, 15] Generated Node #0,4,2: 34:[78, 15] Operation: 4+11=15 Exploring Operation: 78+4=82, Resulting Numbers: [11, 82] Generated Node #0,4,3: 34:[11, 82] Operation: 78+4=82 Exploring Operation: 78-4=74, Resulting Numbers: [11, 74] Generated Node #0,4,4: 34:[11, 74] Operation: 78-4=74 Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 34:[4, 67], Operations: ['52-41=11', '78-11=67'] Exploring Operation: 4*67=268, Resulting Numbers: [268] 268,34 unequal: No Solution Exploring Operation: 67-4=63, Resulting Numbers: [63] 63,34 unequal: No Solution Exploring Operation: 4+67=71, Resulting Numbers: [71] 71,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 34:[78, 15], Operations: ['52-41=11', '4+11=15'] Exploring Operation: 78+15=93, Resulting Numbers: [93] 93,34 unequal: No Solution Exploring Operation: 78-15=63, Resulting Numbers: [63] 63,34 unequal: No Solution Exploring Operation: 78*15=1170, Resulting Numbers: [1170] 1170,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 34:[11, 74], Operations: ['52-41=11', '78-4=74'] Exploring Operation: 11+74=85, Resulting Numbers: [85] 85,34 unequal: No Solution Exploring Operation: 11*74=814, Resulting Numbers: [814] 814,34 unequal: No Solution Exploring Operation: 74-11=63, Resulting Numbers: [63] 63,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 34:[78, 7], Operations: ['52-41=11', '11-4=7'] Exploring Operation: 78+7=85, Resulting Numbers: [85] 85,34 unequal: No Solution Exploring Operation: 78*7=546, Resulting Numbers: [546] 546,34 unequal: No Solution Exploring Operation: 78-7=71, Resulting Numbers: [71] 71,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 34:[11, 82], Operations: ['52-41=11', '78+4=82'] Exploring Operation: 11*82=902, Resulting Numbers: [902] 902,34 unequal: No Solution Exploring Operation: 82-11=71, Resulting Numbers: [71] 71,34 unequal: No Solution Exploring Operation: 11+82=93, Resulting Numbers: [93] 93,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 34:[41, 78, 13], Operations: ['52/4=13'] Exploring Operation: 78-41=37, Resulting Numbers: [13, 37] Generated Node #0,1,0: 34:[13, 37] Operation: 78-41=37 Exploring Operation: 78/13=6, Resulting Numbers: [41, 6] Generated Node #0,1,1: 34:[41, 6] Operation: 78/13=6 Exploring Operation: 41-13=28, Resulting Numbers: [78, 28] Generated Node #0,1,2: 34:[78, 28] Operation: 41-13=28 Exploring Operation: 41+13=54, Resulting Numbers: [78, 54] Generated Node #0,1,3: 34:[78, 54] Operation: 41+13=54 Exploring Operation: 78-13=65, Resulting Numbers: [41, 65] Generated Node #0,1,4: 34:[41, 65] Operation: 78-13=65 Moving to Node #0,3 Current State: 34:[41, 78, 48], Operations: ['52-4=48'] Exploring Operation: 48-41=7, Resulting Numbers: [78, 7] Generated Node #0,3,0: 34:[78, 7] Operation: 48-41=7 Exploring Operation: 78-48=30, Resulting Numbers: [41, 30] Generated Node #0,3,1: 34:[41, 30] Operation: 78-48=30 Exploring Operation: 78-41=37, Resulting Numbers: [48, 37] Generated Node #0,3,2: 34:[48, 37] Operation: 78-41=37 Exploring Operation: 41+48=89, Resulting Numbers: [78, 89] Generated Node #0,3,3: 34:[78, 89] Operation: 41+48=89 Exploring Operation: 41+78=119, Resulting Numbers: [48, 119] Generated Node #0,3,4: 34:[48, 119] Operation: 41+78=119 Moving to Node #0,0,4 Current State: 34:[4, 15], Operations: ['78-52=26', '41-26=15'] Exploring Operation: 4*15=60, Resulting Numbers: [60] 60,34 unequal: No Solution Exploring Operation: 4+15=19, Resulting Numbers: [19] 19,34 unequal: No Solution Exploring Operation: 15-4=11, Resulting Numbers: [11] 11,34 unequal: No Solution Moving to Node #0,2,2 Current State: 34:[4, 15], Operations: ['78-41=37', '52-37=15'] Exploring Operation: 4+15=19, Resulting Numbers: [19] 19,34 unequal: No Solution Exploring Operation: 4*15=60, Resulting Numbers: [60] 60,34 unequal: No Solution Exploring Operation: 15-4=11, Resulting Numbers: [11] 11,34 unequal: No Solution Moving to Node #0,2,4 Current State: 34:[37, 13], Operations: ['78-41=37', '52/4=13'] Exploring Operation: 37-13=24, Resulting Numbers: [24] 24,34 unequal: No Solution Exploring Operation: 37*13=481, Resulting Numbers: [481] 481,34 unequal: No Solution Exploring Operation: 37+13=50, Resulting Numbers: [50] 50,34 unequal: No Solution Moving to Node #0,1,0 Current State: 34:[13, 37], Operations: ['52/4=13', '78-41=37'] Exploring Operation: 13*37=481, Resulting Numbers: [481] 481,34 unequal: No Solution Exploring Operation: 13+37=50, Resulting Numbers: [50] 50,34 unequal: No Solution Exploring Operation: 37-13=24, Resulting Numbers: [24] 24,34 unequal: No Solution Moving to Node #0,0,3 Current State: 34:[41, 30], Operations: ['78-52=26', '4+26=30'] Exploring Operation: 41*30=1230, Resulting Numbers: [1230] 1230,34 unequal: No Solution Exploring Operation: 41+30=71, Resulting Numbers: [71] 71,34 unequal: No Solution Exploring Operation: 41-30=11, Resulting Numbers: [11] 11,34 unequal: No Solution Moving to Node #0,1,1 Current State: 34:[41, 6], Operations: ['52/4=13', '78/13=6'] Exploring Operation: 41+6=47, Resulting Numbers: [47] 47,34 unequal: No Solution Exploring Operation: 41-6=35, Resulting Numbers: [35] 35,34 unequal: No Solution Exploring Operation: 41*6=246, Resulting Numbers: [246] 246,34 unequal: No Solution Moving to Node #0,0,1 Current State: 34:[26, 37], Operations: ['78-52=26', '41-4=37'] Exploring Operation: 26*37=962, Resulting Numbers: [962] 962,34 unequal: No Solution Exploring Operation: 37-26=11, Resulting Numbers: [11] 11,34 unequal: No Solution Exploring Operation: 26+37=63, Resulting Numbers: [63] 63,34 unequal: No Solution Moving to Node #0,3,1 Current State: 34:[41, 30], Operations: ['52-4=48', '78-48=30'] Exploring Operation: 41*30=1230, Resulting Numbers: [1230] 1230,34 unequal: No Solution Exploring Operation: 41-30=11, Resulting Numbers: [11] 11,34 unequal: No Solution Exploring Operation: 41+30=71, Resulting Numbers: [71] 71,34 unequal: No Solution Moving to Node #0,0,0 Current State: 34:[41, 22], Operations: ['78-52=26', '26-4=22'] Exploring Operation: 41-22=19, Resulting Numbers: [19] 19,34 unequal: No Solution Exploring Operation: 41+22=63, Resulting Numbers: [63] 63,34 unequal: No Solution Exploring Operation: 41*22=902, Resulting Numbers: [902] 902,34 unequal: No Solution Moving to Node #0,3,2 Current State: 34:[48, 37], Operations: ['52-4=48', '78-41=37'] Exploring Operation: 48*37=1776, Resulting Numbers: [1776] 1776,34 unequal: No Solution Exploring Operation: 48-37=11, Resulting Numbers: [11] 11,34 unequal: No Solution Exploring Operation: 48+37=85, Resulting Numbers: [85] 85,34 unequal: No Solution Moving to Node #0,2,0 Current State: 34:[37, 48], Operations: ['78-41=37', '52-4=48'] Exploring Operation: 37+48=85, Resulting Numbers: [85] 85,34 unequal: No Solution Exploring Operation: 37*48=1776, Resulting Numbers: [1776] 1776,34 unequal: No Solution Exploring Operation: 48-37=11, Resulting Numbers: [11] 11,34 unequal: No Solution Moving to Node #0,0,2 Current State: 34:[26, 45], Operations: ['78-52=26', '41+4=45'] Exploring Operation: 26+45=71, Resulting Numbers: [71] 71,34 unequal: No Solution Exploring Operation: 45-26=19, Resulting Numbers: [19] 19,34 unequal: No Solution Exploring Operation: 26*45=1170, Resulting Numbers: [1170] 1170,34 unequal: No Solution Moving to Node #0,2,1 Current State: 34:[52, 33], Operations: ['78-41=37', '37-4=33'] Exploring Operation: 52+33=85, Resulting Numbers: [85] 85,34 unequal: No Solution Exploring Operation: 52-33=19, Resulting Numbers: [19] 19,34 unequal: No Solution Exploring Operation: 52*33=1716, Resulting Numbers: [1716] 1716,34 unequal: No Solution Moving to Node #0,2,3 Current State: 34:[37, 56], Operations: ['78-41=37', '52+4=56'] Exploring Operation: 37*56=2072, Resulting Numbers: [2072] 2072,34 unequal: No Solution Exploring Operation: 37+56=93, Resulting Numbers: [93] 93,34 unequal: No Solution Exploring Operation: 56-37=19, Resulting Numbers: [19] 19,34 unequal: No Solution Moving to Node #0,1,4 Current State: 34:[41, 65], Operations: ['52/4=13', '78-13=65'] Exploring Operation: 65-41=24, Resulting Numbers: [24] 24,34 unequal: No Solution Exploring Operation: 41*65=2665, Resulting Numbers: [2665] 2665,34 unequal: No Solution Exploring Operation: 41+65=106, Resulting Numbers: [106] 106,34 unequal: No Solution Moving to Node #0,3,0 Current State: 34:[78, 7], Operations: ['52-4=48', '48-41=7'] Exploring Operation: 78*7=546, Resulting Numbers: [546] 546,34 unequal: No Solution Exploring Operation: 78+7=85, Resulting Numbers: [85] 85,34 unequal: No Solution Exploring Operation: 78-7=71, Resulting Numbers: [71] 71,34 unequal: No Solution Moving to Node #0,1,2 Current State: 34:[78, 28], Operations: ['52/4=13', '41-13=28'] Exploring Operation: 78+28=106, Resulting Numbers: [106] 106,34 unequal: No Solution Exploring Operation: 78*28=2184, Resulting Numbers: [2184] 2184,34 unequal: No Solution Exploring Operation: 78-28=50, Resulting Numbers: [50] 50,34 unequal: No Solution Moving to Node #0,1,3 Current State: 34:[78, 54], Operations: ['52/4=13', '41+13=54'] Exploring Operation: 78*54=4212, Resulting Numbers: [4212] 4212,34 unequal: No Solution Exploring Operation: 78+54=132, Resulting Numbers: [132] 132,34 unequal: No Solution Exploring Operation: 78-54=24, Resulting Numbers: [24] 24,34 unequal: No Solution Moving to Node #0,3,4 Current State: 34:[48, 119], Operations: ['52-4=48', '41+78=119'] Exploring Operation: 48*119=5712, Resulting Numbers: [5712] 5712,34 unequal: No Solution Exploring Operation: 48+119=167, Resulting Numbers: [167] 167,34 unequal: No Solution Exploring Operation: 119-48=71, Resulting Numbers: [71] 71,34 unequal: No Solution Moving to Node #0,3,3 Current State: 34:[78, 89], Operations: ['52-4=48', '41+48=89'] Exploring Operation: 89-78=11, Resulting Numbers: [11] 11,34 unequal: No Solution Exploring Operation: 78+89=167, Resulting Numbers: [167] 167,34 unequal: No Solution Exploring Operation: 78*89=6942, Resulting Numbers: [6942] 6942,34 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 89, 27, 58, 24 ]
12
[ "89+27=116", "58*24=1392", "1392/116=12" ]
Current State: 12:[89, 27, 58, 24], Operations: [] Exploring Operation: 89+27=116, Resulting Numbers: [58, 24, 116] Generated Node #2: [58, 24, 116] from Operation: 89+27=116 Current State: 12:[58, 24, 116], Operations: ['89+27=116'] Exploring Operation: 58*24=1392, Resulting Numbers: [116, 1392] Generated Node #3: [116, 1392] from Operation: 58*24=1392 Current State: 12:[116, 1392], Operations: ['89+27=116', '58*24=1392'] Exploring Operation: 1392/116=12, Resulting Numbers: [12] 12,12 equal: Goal Reached
4
Current State: 12:[89, 27, 58, 24], Operations: [] Exploring Operation: 89-24=65, Resulting Numbers: [27, 58, 65] Generated Node #0,0: 12:[27, 58, 65] Operation: 89-24=65 Exploring Operation: 89-58=31, Resulting Numbers: [27, 24, 31] Generated Node #0,1: 12:[27, 24, 31] Operation: 89-58=31 Exploring Operation: 58-27=31, Resulting Numbers: [89, 24, 31] Generated Node #0,2: 12:[89, 24, 31] Operation: 58-27=31 Exploring Operation: 89-27=62, Resulting Numbers: [58, 24, 62] Generated Node #0,3: 12:[58, 24, 62] Operation: 89-27=62 Moving to Node #0,1 Current State: 12:[27, 24, 31], Operations: ['89-58=31'] Exploring Operation: 31-24=7, Resulting Numbers: [27, 7] Generated Node #0,1,0: 12:[27, 7] Operation: 31-24=7 Exploring Operation: 27+24=51, Resulting Numbers: [31, 51] Generated Node #0,1,1: 12:[31, 51] Operation: 27+24=51 Exploring Operation: 31-27=4, Resulting Numbers: [24, 4] Generated Node #0,1,2: 12:[24, 4] Operation: 31-27=4 Exploring Operation: 27-24=3, Resulting Numbers: [31, 3] Generated Node #0,1,3: 12:[31, 3] Operation: 27-24=3 Moving to Node #0,3 Current State: 12:[58, 24, 62], Operations: ['89-27=62'] Exploring Operation: 58+24=82, Resulting Numbers: [62, 82] Generated Node #0,3,0: 12:[62, 82] Operation: 58+24=82 Exploring Operation: 58-24=34, Resulting Numbers: [62, 34] Generated Node #0,3,1: 12:[62, 34] Operation: 58-24=34 Exploring Operation: 62-24=38, Resulting Numbers: [58, 38] Generated Node #0,3,2: 12:[58, 38] Operation: 62-24=38 Exploring Operation: 62-58=4, Resulting Numbers: [24, 4] Generated Node #0,3,3: 12:[24, 4] Operation: 62-58=4 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 12:[24, 4], Operations: ['89-27=62', '62-58=4'] Exploring Operation: 24*4=96, Resulting Numbers: [96] 96,12 unequal: No Solution Exploring Operation: 24/4=6, Resulting Numbers: [6] 6,12 unequal: No Solution Exploring Operation: 24-4=20, Resulting Numbers: [20] 20,12 unequal: No Solution Exploring Operation: 24+4=28, Resulting Numbers: [28] 28,12 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 12:[62, 34], Operations: ['89-27=62', '58-24=34'] Exploring Operation: 62-34=28, Resulting Numbers: [28] 28,12 unequal: No Solution Exploring Operation: 62+34=96, Resulting Numbers: [96] 96,12 unequal: No Solution Exploring Operation: 62*34=2108, Resulting Numbers: [2108] 2108,12 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 12:[58, 38], Operations: ['89-27=62', '62-24=38'] Exploring Operation: 58*38=2204, Resulting Numbers: [2204] 2204,12 unequal: No Solution Exploring Operation: 58-38=20, Resulting Numbers: [20] 20,12 unequal: No Solution Exploring Operation: 58+38=96, Resulting Numbers: [96] 96,12 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 12:[62, 82], Operations: ['89-27=62', '58+24=82'] Exploring Operation: 62+82=144, Resulting Numbers: [144] 144,12 unequal: No Solution Exploring Operation: 82-62=20, Resulting Numbers: [20] 20,12 unequal: No Solution Exploring Operation: 62*82=5084, Resulting Numbers: [5084] 5084,12 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: 12:[89, 24, 31], Operations: ['58-27=31'] Exploring Operation: 89-31=58, Resulting Numbers: [24, 58] Generated Node #0,2,0: 12:[24, 58] Operation: 89-31=58 Exploring Operation: 31-24=7, Resulting Numbers: [89, 7] Generated Node #0,2,1: 12:[89, 7] Operation: 31-24=7 Exploring Operation: 89-24=65, Resulting Numbers: [31, 65] Generated Node #0,2,2: 12:[31, 65] Operation: 89-24=65 Exploring Operation: 89+24=113, Resulting Numbers: [31, 113] Generated Node #0,2,3: 12:[31, 113] Operation: 89+24=113 Moving to Node #0,0 Current State: 12:[27, 58, 65], Operations: ['89-24=65'] Exploring Operation: 27+58=85, Resulting Numbers: [65, 85] Generated Node #0,0,0: 12:[65, 85] Operation: 27+58=85 Exploring Operation: 65-27=38, Resulting Numbers: [58, 38] Generated Node #0,0,1: 12:[58, 38] Operation: 65-27=38 Exploring Operation: 65-58=7, Resulting Numbers: [27, 7] Generated Node #0,0,2: 12:[27, 7] Operation: 65-58=7 Exploring Operation: 58-27=31, Resulting Numbers: [65, 31] Generated Node #0,0,3: 12:[65, 31] Operation: 58-27=31 Moving to Node #0,1,2 Current State: 12:[24, 4], Operations: ['89-58=31', '31-27=4'] Exploring Operation: 24/4=6, Resulting Numbers: [6] 6,12 unequal: No Solution Exploring Operation: 24-4=20, Resulting Numbers: [20] 20,12 unequal: No Solution Exploring Operation: 24*4=96, Resulting Numbers: [96] 96,12 unequal: No Solution Exploring Operation: 24+4=28, Resulting Numbers: [28] 28,12 unequal: No Solution Moving to Node #0,1,0 Current State: 12:[27, 7], Operations: ['89-58=31', '31-24=7'] Exploring Operation: 27*7=189, Resulting Numbers: [189] 189,12 unequal: No Solution Exploring Operation: 27-7=20, Resulting Numbers: [20] 20,12 unequal: No Solution Exploring Operation: 27+7=34, Resulting Numbers: [34] 34,12 unequal: No Solution Moving to Node #0,0,2 Current State: 12:[27, 7], Operations: ['89-24=65', '65-58=7'] Exploring Operation: 27-7=20, Resulting Numbers: [20] 20,12 unequal: No Solution Exploring Operation: 27*7=189, Resulting Numbers: [189] 189,12 unequal: No Solution Exploring Operation: 27+7=34, Resulting Numbers: [34] 34,12 unequal: No Solution Moving to Node #0,1,3 Current State: 12:[31, 3], Operations: ['89-58=31', '27-24=3'] Exploring Operation: 31+3=34, Resulting Numbers: [34] 34,12 unequal: No Solution Exploring Operation: 31-3=28, Resulting Numbers: [28] 28,12 unequal: No Solution Exploring Operation: 31*3=93, Resulting Numbers: [93] 93,12 unequal: No Solution Moving to Node #0,2,0 Current State: 12:[24, 58], Operations: ['58-27=31', '89-31=58'] Exploring Operation: 24*58=1392, Resulting Numbers: [1392] 1392,12 unequal: No Solution Exploring Operation: 58-24=34, Resulting Numbers: [34] 34,12 unequal: No Solution Exploring Operation: 24+58=82, Resulting Numbers: [82] 82,12 unequal: No Solution Moving to Node #0,1,1 Current State: 12:[31, 51], Operations: ['89-58=31', '27+24=51'] Exploring Operation: 31+51=82, Resulting Numbers: [82] 82,12 unequal: No Solution Exploring Operation: 31*51=1581, Resulting Numbers: [1581] 1581,12 unequal: No Solution Exploring Operation: 51-31=20, Resulting Numbers: [20] 20,12 unequal: No Solution Moving to Node #0,2,2 Current State: 12:[31, 65], Operations: ['58-27=31', '89-24=65'] Exploring Operation: 31+65=96, Resulting Numbers: [96] 96,12 unequal: No Solution Exploring Operation: 31*65=2015, Resulting Numbers: [2015] 2015,12 unequal: No Solution Exploring Operation: 65-31=34, Resulting Numbers: [34] 34,12 unequal: No Solution Moving to Node #0,0,3 Current State: 12:[65, 31], Operations: ['89-24=65', '58-27=31'] Exploring Operation: 65+31=96, Resulting Numbers: [96] 96,12 unequal: No Solution Exploring Operation: 65*31=2015, Resulting Numbers: [2015] 2015,12 unequal: No Solution Exploring Operation: 65-31=34, Resulting Numbers: [34] 34,12 unequal: No Solution Moving to Node #0,0,1 Current State: 12:[58, 38], Operations: ['89-24=65', '65-27=38'] Exploring Operation: 58*38=2204, Resulting Numbers: [2204] 2204,12 unequal: No Solution Exploring Operation: 58+38=96, Resulting Numbers: [96] 96,12 unequal: No Solution Exploring Operation: 58-38=20, Resulting Numbers: [20] 20,12 unequal: No Solution Moving to Node #0,2,1 Current State: 12:[89, 7], Operations: ['58-27=31', '31-24=7'] Exploring Operation: 89+7=96, Resulting Numbers: [96] 96,12 unequal: No Solution Exploring Operation: 89-7=82, Resulting Numbers: [82] 82,12 unequal: No Solution Exploring Operation: 89*7=623, Resulting Numbers: [623] 623,12 unequal: No Solution Moving to Node #0,2,3 Current State: 12:[31, 113], Operations: ['58-27=31', '89+24=113'] Exploring Operation: 113-31=82, Resulting Numbers: [82] 82,12 unequal: No Solution Exploring Operation: 31*113=3503, Resulting Numbers: [3503] 3503,12 unequal: No Solution Exploring Operation: 31+113=144, Resulting Numbers: [144] 144,12 unequal: No Solution Moving to Node #0,0,0 Current State: 12:[65, 85], Operations: ['89-24=65', '27+58=85'] Exploring Operation: 85-65=20, Resulting Numbers: [20] 20,12 unequal: No Solution Exploring Operation: 65*85=5525, Resulting Numbers: [5525] 5525,12 unequal: No Solution Exploring Operation: 65+85=150, Resulting Numbers: [150] 150,12 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 74, 49, 72, 97 ]
98
[ "74+49=123", "97-72=25", "123-25=98" ]
Current State: 98:[74, 49, 72, 97], Operations: [] Exploring Operation: 74+49=123, Resulting Numbers: [72, 97, 123] Generated Node #2: [72, 97, 123] from Operation: 74+49=123 Current State: 98:[72, 97, 123], Operations: ['74+49=123'] Exploring Operation: 97-72=25, Resulting Numbers: [123, 25] Generated Node #3: [123, 25] from Operation: 97-72=25 Current State: 98:[123, 25], Operations: ['74+49=123', '97-72=25'] Exploring Operation: 123-25=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
4
Current State: 98:[74, 49, 72, 97], Operations: [] Exploring Operation: 74-72=2, Resulting Numbers: [49, 97, 2] Generated Node #0,0: 98:[49, 97, 2] Operation: 74-72=2 Exploring Operation: 97-74=23, Resulting Numbers: [49, 72, 23] Generated Node #0,1: 98:[49, 72, 23] Operation: 97-74=23 Moving to Node #0,0 Current State: 98:[49, 97, 2], Operations: ['74-72=2'] Exploring Operation: 97-49=48, Resulting Numbers: [2, 48] Generated Node #0,0,0: 98:[2, 48] Operation: 97-49=48 Exploring Operation: 49*2=98, Resulting Numbers: [97, 98] Generated Node #0,0,1: 98:[97, 98] Operation: 49*2=98 Moving to Node #0,1 Current State: 98:[49, 72, 23], Operations: ['97-74=23'] Exploring Operation: 72-23=49, Resulting Numbers: [49, 49] Generated Node #0,1,0: 98:[49, 49] Operation: 72-23=49 Exploring Operation: 72+23=95, Resulting Numbers: [49, 95] Generated Node #0,1,1: 98:[49, 95] Operation: 72+23=95 Moving to Node #0,1,0 Current State: 98:[49, 49], Operations: ['97-74=23', '72-23=49'] Exploring Operation: 49+49=98, Resulting Numbers: [98] 98,98 equal: Goal Reached Moving to Node #0 Current State: 98:[74, 49, 72, 97], Operations: [] Exploring Operation: 97-74=23, Resulting Numbers: [49, 72, 23] Generated Node #0,1: 98:[49, 72, 23] Operation: 97-74=23 Moving to Node #0,1 Current State: 98:[49, 72, 23], Operations: ['97-74=23'] Exploring Operation: 72-23=49, Resulting Numbers: [49, 49] Generated Node #0,1,0: 98:[49, 49] Operation: 72-23=49 Moving to Node #0,1,0 Current State: 98:[49, 49], Operations: ['97-74=23', '72-23=49'] Exploring Operation: 49+49=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
0.990451
hs_2
mult_heuristic
[ 12, 96, 43, 5 ]
10
[ "43+5=48", "96/48=2", "12-2=10" ]
Current State: 10:[12, 96, 43, 5], Operations: [] Exploring Operation: 43+5=48, Resulting Numbers: [12, 96, 48] Generated Node #2: [12, 96, 48] from Operation: 43+5=48 Current State: 10:[12, 96, 48], Operations: ['43+5=48'] Exploring Operation: 96/48=2, Resulting Numbers: [12, 2] Generated Node #3: [12, 2] from Operation: 96/48=2 Current State: 10:[12, 2], Operations: ['43+5=48', '96/48=2'] Exploring Operation: 12-2=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
4
Current State: 10:[12, 96, 43, 5], Operations: [] Exploring Operation: 96/12=8, Resulting Numbers: [43, 5, 8] Generated Node #0,0: 10:[43, 5, 8] Operation: 96/12=8 Start Sub Search at level 1: Moving to Node #0,0 Current State: 10:[43, 5, 8], Operations: ['96/12=8'] Exploring Operation: 43-8=35, Resulting Numbers: [5, 35] Generated Node #0,0,0: 10:[5, 35] Operation: 43-8=35 Moving to Node #0,0,0 Current State: 10:[5, 35], Operations: ['96/12=8', '43-8=35'] Exploring Operation: 35/5=7, Resulting Numbers: [7] 7,10 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
[ 96, 98, 84, 47 ]
89
[ "98-96=2", "84/2=42", "47+42=89" ]
Current State: 89:[96, 98, 84, 47], Operations: [] Exploring Operation: 98-96=2, Resulting Numbers: [84, 47, 2] Generated Node #2: [84, 47, 2] from Operation: 98-96=2 Current State: 89:[84, 47, 2], Operations: ['98-96=2'] Exploring Operation: 84/2=42, Resulting Numbers: [47, 42] Generated Node #3: [47, 42] from Operation: 84/2=42 Current State: 89:[47, 42], Operations: ['98-96=2', '84/2=42'] Exploring Operation: 47+42=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
4
Current State: 89:[96, 98, 84, 47], Operations: [] Exploring Operation: 84+47=131, Resulting Numbers: [96, 98, 131] Generated Node #0,0: 89:[96, 98, 131] Operation: 84+47=131 Exploring Operation: 98-47=51, Resulting Numbers: [96, 84, 51] Generated Node #0,1: 89:[96, 84, 51] Operation: 98-47=51 Exploring Operation: 96-47=49, Resulting Numbers: [98, 84, 49] Generated Node #0,2: 89:[98, 84, 49] Operation: 96-47=49 Moving to Node #0,1 Current State: 89:[96, 84, 51], Operations: ['98-47=51'] Exploring Operation: 96-51=45, Resulting Numbers: [84, 45] Generated Node #0,1,0: 89:[84, 45] Operation: 96-51=45 Exploring Operation: 84+51=135, Resulting Numbers: [96, 135] Generated Node #0,1,1: 89:[96, 135] Operation: 84+51=135 Exploring Operation: 96+51=147, Resulting Numbers: [84, 147] Generated Node #0,1,2: 89:[84, 147] Operation: 96+51=147 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 89:[84, 45], Operations: ['98-47=51', '96-51=45'] Exploring Operation: 84-45=39, Resulting Numbers: [39] 39,89 unequal: No Solution Exploring Operation: 84+45=129, Resulting Numbers: [129] 129,89 unequal: No Solution Exploring Operation: 84*45=3780, Resulting Numbers: [3780] 3780,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 89:[96, 135], Operations: ['98-47=51', '84+51=135'] Exploring Operation: 96*135=12960, Resulting Numbers: [12960] 12960,89 unequal: No Solution Exploring Operation: 96+135=231, Resulting Numbers: [231] 231,89 unequal: No Solution Exploring Operation: 135-96=39, Resulting Numbers: [39] 39,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 89:[84, 147], Operations: ['98-47=51', '96+51=147'] Exploring Operation: 147-84=63, Resulting Numbers: [63] 63,89 unequal: No Solution Exploring Operation: 84*147=12348, Resulting Numbers: [12348] 12348,89 unequal: No Solution Exploring Operation: 84+147=231, Resulting Numbers: [231] 231,89 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:[98, 84, 49], Operations: ['96-47=49'] Exploring Operation: 98+49=147, Resulting Numbers: [84, 147] Generated Node #0,2,0: 89:[84, 147] Operation: 98+49=147 Exploring Operation: 84+49=133, Resulting Numbers: [98, 133] Generated Node #0,2,1: 89:[98, 133] Operation: 84+49=133 Exploring Operation: 98-49=49, Resulting Numbers: [84, 49] Generated Node #0,2,2: 89:[84, 49] Operation: 98-49=49 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 89:[84, 49], Operations: ['96-47=49', '98-49=49'] Exploring Operation: 84*49=4116, Resulting Numbers: [4116] 4116,89 unequal: No Solution Exploring Operation: 84+49=133, Resulting Numbers: [133] 133,89 unequal: No Solution Exploring Operation: 84-49=35, Resulting Numbers: [35] 35,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 89:[98, 133], Operations: ['96-47=49', '84+49=133'] Exploring Operation: 133-98=35, Resulting Numbers: [35] 35,89 unequal: No Solution Exploring Operation: 98*133=13034, Resulting Numbers: [13034] 13034,89 unequal: No Solution Exploring Operation: 98+133=231, Resulting Numbers: [231] 231,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 89:[84, 147], Operations: ['96-47=49', '98+49=147'] Exploring Operation: 147-84=63, Resulting Numbers: [63] 63,89 unequal: No Solution Exploring Operation: 84+147=231, Resulting Numbers: [231] 231,89 unequal: No Solution Exploring Operation: 84*147=12348, Resulting Numbers: [12348] 12348,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 89:[96, 98, 131], Operations: ['84+47=131'] Exploring Operation: 98-96=2, Resulting Numbers: [131, 2] Generated Node #0,0,0: 89:[131, 2] Operation: 98-96=2 Exploring Operation: 131-98=33, Resulting Numbers: [96, 33] Generated Node #0,0,1: 89:[96, 33] Operation: 131-98=33 Exploring Operation: 131-96=35, Resulting Numbers: [98, 35] Generated Node #0,0,2: 89:[98, 35] Operation: 131-96=35 Moving to Node #0,0,1 Current State: 89:[96, 33], Operations: ['84+47=131', '131-98=33'] Exploring Operation: 96*33=3168, Resulting Numbers: [3168] 3168,89 unequal: No Solution Exploring Operation: 96-33=63, Resulting Numbers: [63] 63,89 unequal: No Solution Exploring Operation: 96+33=129, Resulting Numbers: [129] 129,89 unequal: No Solution Moving to Node #0,0,2 Current State: 89:[98, 35], Operations: ['84+47=131', '131-96=35'] Exploring Operation: 98*35=3430, Resulting Numbers: [3430] 3430,89 unequal: No Solution Exploring Operation: 98+35=133, Resulting Numbers: [133] 133,89 unequal: No Solution Exploring Operation: 98-35=63, Resulting Numbers: [63] 63,89 unequal: No Solution Moving to Node #0,0,0 Current State: 89:[131, 2], Operations: ['84+47=131', '98-96=2'] Exploring Operation: 131+2=133, Resulting Numbers: [133] 133,89 unequal: No Solution Exploring Operation: 131*2=262, Resulting Numbers: [262] 262,89 unequal: No Solution Exploring Operation: 131-2=129, Resulting Numbers: [129] 129,89 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 46, 2, 76, 53 ]
16
[ "46+76=122", "2*53=106", "122-106=16" ]
Current State: 16:[46, 2, 76, 53], Operations: [] Exploring Operation: 46+76=122, Resulting Numbers: [2, 53, 122] Generated Node #2: [2, 53, 122] from Operation: 46+76=122 Current State: 16:[2, 53, 122], Operations: ['46+76=122'] Exploring Operation: 2*53=106, Resulting Numbers: [122, 106] Generated Node #3: [122, 106] from Operation: 2*53=106 Current State: 16:[122, 106], Operations: ['46+76=122', '2*53=106'] Exploring Operation: 122-106=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[46, 2, 76, 53], Operations: [] Exploring Operation: 46/2=23, Resulting Numbers: [76, 53, 23] Generated Node #0,0: 16:[76, 53, 23] Operation: 46/2=23 Exploring Operation: 53-46=7, Resulting Numbers: [2, 76, 7] Generated Node #0,1: 16:[2, 76, 7] Operation: 53-46=7 Exploring Operation: 76/2=38, Resulting Numbers: [46, 53, 38] Generated Node #0,2: 16:[46, 53, 38] Operation: 76/2=38 Exploring Operation: 76-53=23, Resulting Numbers: [46, 2, 23] Generated Node #0,3: 16:[46, 2, 23] Operation: 76-53=23 Exploring Operation: 76-46=30, Resulting Numbers: [2, 53, 30] Generated Node #0,4: 16:[2, 53, 30] Operation: 76-46=30 Moving to Node #0,3 Current State: 16:[46, 2, 23], Operations: ['76-53=23'] Exploring Operation: 46-23=23, Resulting Numbers: [2, 23] Generated Node #0,3,0: 16:[2, 23] Operation: 46-23=23 Exploring Operation: 23-2=21, Resulting Numbers: [46, 21] Generated Node #0,3,1: 16:[46, 21] Operation: 23-2=21 Exploring Operation: 46/23=2, Resulting Numbers: [2, 2] Generated Node #0,3,2: 16:[2, 2] Operation: 46/23=2 Exploring Operation: 46-2=44, Resulting Numbers: [23, 44] Generated Node #0,3,3: 16:[23, 44] Operation: 46-2=44 Exploring Operation: 46/2=23, Resulting Numbers: [23, 23] Generated Node #0,3,4: 16:[23, 23] Operation: 46/2=23 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 16:[2, 2], Operations: ['76-53=23', '46/23=2'] Exploring Operation: 2+2=4, Resulting Numbers: [4] 4,16 unequal: No Solution Exploring Operation: 2/2=1, Resulting Numbers: [1] 1,16 unequal: No Solution Exploring Operation: 2*2=4, Resulting Numbers: [4] 4,16 unequal: No Solution Exploring Operation: 2-2=0, Resulting Numbers: [0] 0,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 16:[2, 23], Operations: ['76-53=23', '46-23=23'] Exploring Operation: 2*23=46, Resulting Numbers: [46] 46,16 unequal: No Solution Exploring Operation: 2+23=25, Resulting Numbers: [25] 25,16 unequal: No Solution Exploring Operation: 23-2=21, Resulting Numbers: [21] 21,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 16:[23, 23], Operations: ['76-53=23', '46/2=23'] Exploring Operation: 23+23=46, Resulting Numbers: [46] 46,16 unequal: No Solution Exploring Operation: 23*23=529, Resulting Numbers: [529] 529,16 unequal: No Solution Exploring Operation: 23/23=1, Resulting Numbers: [1] 1,16 unequal: No Solution Exploring Operation: 23-23=0, Resulting Numbers: [0] 0,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 16:[46, 21], Operations: ['76-53=23', '23-2=21'] Exploring Operation: 46*21=966, Resulting Numbers: [966] 966,16 unequal: No Solution Exploring Operation: 46+21=67, Resulting Numbers: [67] 67,16 unequal: No Solution Exploring Operation: 46-21=25, Resulting Numbers: [25] 25,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 16:[23, 44], Operations: ['76-53=23', '46-2=44'] Exploring Operation: 44-23=21, Resulting Numbers: [21] 21,16 unequal: No Solution Exploring Operation: 23+44=67, Resulting Numbers: [67] 67,16 unequal: No Solution Exploring Operation: 23*44=1012, Resulting Numbers: [1012] 1012,16 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: 16:[2, 53, 30], Operations: ['76-46=30'] Exploring Operation: 2+53=55, Resulting Numbers: [30, 55] Generated Node #0,4,0: 16:[30, 55] Operation: 2+53=55 Exploring Operation: 30-2=28, Resulting Numbers: [53, 28] Generated Node #0,4,1: 16:[53, 28] Operation: 30-2=28 Exploring Operation: 53-2=51, Resulting Numbers: [30, 51] Generated Node #0,4,2: 16:[30, 51] Operation: 53-2=51 Exploring Operation: 53-30=23, Resulting Numbers: [2, 23] Generated Node #0,4,3: 16:[2, 23] Operation: 53-30=23 Exploring Operation: 30/2=15, Resulting Numbers: [53, 15] Generated Node #0,4,4: 16:[53, 15] Operation: 30/2=15 Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 16:[2, 23], Operations: ['76-46=30', '53-30=23'] Exploring Operation: 2*23=46, Resulting Numbers: [46] 46,16 unequal: No Solution Exploring Operation: 23-2=21, Resulting Numbers: [21] 21,16 unequal: No Solution Exploring Operation: 2+23=25, Resulting Numbers: [25] 25,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 16:[53, 15], Operations: ['76-46=30', '30/2=15'] Exploring Operation: 53-15=38, Resulting Numbers: [38] 38,16 unequal: No Solution Exploring Operation: 53+15=68, Resulting Numbers: [68] 68,16 unequal: No Solution Exploring Operation: 53*15=795, Resulting Numbers: [795] 795,16 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 #0,4,1 Current State: 16:[53, 28], Operations: ['76-46=30', '30-2=28'] Exploring Operation: 53*28=1484, Resulting Numbers: [1484] 1484,16 unequal: No Solution Exploring Operation: 53-28=25, Resulting Numbers: [25] 25,16 unequal: No Solution Exploring Operation: 53+28=81, Resulting Numbers: [81] 81,16 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 #0,4,2 Current State: 16:[30, 51], Operations: ['76-46=30', '53-2=51'] Exploring Operation: 30*51=1530, Resulting Numbers: [1530] 1530,16 unequal: No Solution Exploring Operation: 30+51=81, Resulting Numbers: [81] 81,16 unequal: No Solution Exploring Operation: 51-30=21, Resulting Numbers: [21] 21,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 16:[30, 55], Operations: ['76-46=30', '2+53=55'] Exploring Operation: 55-30=25, Resulting Numbers: [25] 25,16 unequal: No Solution Exploring Operation: 30*55=1650, Resulting Numbers: [1650] 1650,16 unequal: No Solution Exploring Operation: 30+55=85, Resulting Numbers: [85] 85,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 16:[2, 76, 7], Operations: ['53-46=7'] Exploring Operation: 2+7=9, Resulting Numbers: [76, 9] Generated Node #0,1,0: 16:[76, 9] Operation: 2+7=9 Exploring Operation: 76/2=38, Resulting Numbers: [7, 38] Generated Node #0,1,1: 16:[7, 38] Operation: 76/2=38 Exploring Operation: 76-2=74, Resulting Numbers: [7, 74] Generated Node #0,1,2: 16:[7, 74] Operation: 76-2=74 Exploring Operation: 76-7=69, Resulting Numbers: [2, 69] Generated Node #0,1,3: 16:[2, 69] Operation: 76-7=69 Exploring Operation: 7-2=5, Resulting Numbers: [76, 5] Generated Node #0,1,4: 16:[76, 5] Operation: 7-2=5 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 16:[7, 38], Operations: ['53-46=7', '76/2=38'] Exploring Operation: 7*38=266, Resulting Numbers: [266] 266,16 unequal: No Solution Exploring Operation: 7+38=45, Resulting Numbers: [45] 45,16 unequal: No Solution Exploring Operation: 38-7=31, Resulting Numbers: [31] 31,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 16:[2, 69], Operations: ['53-46=7', '76-7=69'] Exploring Operation: 2+69=71, Resulting Numbers: [71] 71,16 unequal: No Solution Exploring Operation: 2*69=138, Resulting Numbers: [138] 138,16 unequal: No Solution Exploring Operation: 69-2=67, Resulting Numbers: [67] 67,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 16:[7, 74], Operations: ['53-46=7', '76-2=74'] Exploring Operation: 7*74=518, Resulting Numbers: [518] 518,16 unequal: No Solution Exploring Operation: 7+74=81, Resulting Numbers: [81] 81,16 unequal: No Solution Exploring Operation: 74-7=67, Resulting Numbers: [67] 67,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 16:[76, 9], Operations: ['53-46=7', '2+7=9'] Exploring Operation: 76*9=684, Resulting Numbers: [684] 684,16 unequal: No Solution Exploring Operation: 76-9=67, Resulting Numbers: [67] 67,16 unequal: No Solution Exploring Operation: 76+9=85, Resulting Numbers: [85] 85,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 16:[76, 5], Operations: ['53-46=7', '7-2=5'] Exploring Operation: 76-5=71, Resulting Numbers: [71] 71,16 unequal: No Solution Exploring Operation: 76+5=81, Resulting Numbers: [81] 81,16 unequal: No Solution Exploring Operation: 76*5=380, Resulting Numbers: [380] 380,16 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: 16:[46, 53, 38], Operations: ['76/2=38'] Exploring Operation: 46+53=99, Resulting Numbers: [38, 99] Generated Node #0,2,0: 16:[38, 99] Operation: 46+53=99 Exploring Operation: 46-38=8, Resulting Numbers: [53, 8] Generated Node #0,2,1: 16:[53, 8] Operation: 46-38=8 Exploring Operation: 46+38=84, Resulting Numbers: [53, 84] Generated Node #0,2,2: 16:[53, 84] Operation: 46+38=84 Exploring Operation: 53-46=7, Resulting Numbers: [38, 7] Generated Node #0,2,3: 16:[38, 7] Operation: 53-46=7 Exploring Operation: 53-38=15, Resulting Numbers: [46, 15] Generated Node #0,2,4: 16:[46, 15] Operation: 53-38=15 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 16:[38, 7], Operations: ['76/2=38', '53-46=7'] Exploring Operation: 38-7=31, Resulting Numbers: [31] 31,16 unequal: No Solution Exploring Operation: 38*7=266, Resulting Numbers: [266] 266,16 unequal: No Solution Exploring Operation: 38+7=45, Resulting Numbers: [45] 45,16 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 #0,2,4 Current State: 16:[46, 15], Operations: ['76/2=38', '53-38=15'] Exploring Operation: 46*15=690, Resulting Numbers: [690] 690,16 unequal: No Solution Exploring Operation: 46+15=61, Resulting Numbers: [61] 61,16 unequal: No Solution Exploring Operation: 46-15=31, Resulting Numbers: [31] 31,16 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 #0,2,1 Current State: 16:[53, 8], Operations: ['76/2=38', '46-38=8'] Exploring Operation: 53+8=61, Resulting Numbers: [61] 61,16 unequal: No Solution Exploring Operation: 53*8=424, Resulting Numbers: [424] 424,16 unequal: No Solution Exploring Operation: 53-8=45, Resulting Numbers: [45] 45,16 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 #0,2,0 Current State: 16:[38, 99], Operations: ['76/2=38', '46+53=99'] Exploring Operation: 38*99=3762, Resulting Numbers: [3762] 3762,16 unequal: No Solution Exploring Operation: 99-38=61, Resulting Numbers: [61] 61,16 unequal: No Solution Exploring Operation: 38+99=137, Resulting Numbers: [137] 137,16 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 #0,2,2 Current State: 16:[53, 84], Operations: ['76/2=38', '46+38=84'] Exploring Operation: 53*84=4452, Resulting Numbers: [4452] 4452,16 unequal: No Solution Exploring Operation: 53+84=137, Resulting Numbers: [137] 137,16 unequal: No Solution Exploring Operation: 84-53=31, Resulting Numbers: [31] 31,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 16:[76, 53, 23], Operations: ['46/2=23'] Exploring Operation: 53-23=30, Resulting Numbers: [76, 30] Generated Node #0,0,0: 16:[76, 30] Operation: 53-23=30 Exploring Operation: 76+23=99, Resulting Numbers: [53, 99] Generated Node #0,0,1: 16:[53, 99] Operation: 76+23=99 Exploring Operation: 76+53=129, Resulting Numbers: [23, 129] Generated Node #0,0,2: 16:[23, 129] Operation: 76+53=129 Exploring Operation: 76-53=23, Resulting Numbers: [23, 23] Generated Node #0,0,3: 16:[23, 23] Operation: 76-53=23 Exploring Operation: 76-23=53, Resulting Numbers: [53, 53] Generated Node #0,0,4: 16:[53, 53] Operation: 76-23=53 Moving to Node #0,0,3 Current State: 16:[23, 23], Operations: ['46/2=23', '76-53=23'] Exploring Operation: 23*23=529, Resulting Numbers: [529] 529,16 unequal: No Solution Exploring Operation: 23/23=1, Resulting Numbers: [1] 1,16 unequal: No Solution Exploring Operation: 23-23=0, Resulting Numbers: [0] 0,16 unequal: No Solution Exploring Operation: 23+23=46, Resulting Numbers: [46] 46,16 unequal: No Solution Moving to Node #0,0,4 Current State: 16:[53, 53], Operations: ['46/2=23', '76-23=53'] Exploring Operation: 53-53=0, Resulting Numbers: [0] 0,16 unequal: No Solution Exploring Operation: 53*53=2809, Resulting Numbers: [2809] 2809,16 unequal: No Solution Exploring Operation: 53+53=106, Resulting Numbers: [106] 106,16 unequal: No Solution Exploring Operation: 53/53=1, Resulting Numbers: [1] 1,16 unequal: No Solution Moving to Node #0,0,0 Current State: 16:[76, 30], Operations: ['46/2=23', '53-23=30'] Exploring Operation: 76-30=46, Resulting Numbers: [46] 46,16 unequal: No Solution Exploring Operation: 76+30=106, Resulting Numbers: [106] 106,16 unequal: No Solution Exploring Operation: 76*30=2280, Resulting Numbers: [2280] 2280,16 unequal: No Solution Moving to Node #0,0,1 Current State: 16:[53, 99], Operations: ['46/2=23', '76+23=99'] Exploring Operation: 53*99=5247, Resulting Numbers: [5247] 5247,16 unequal: No Solution Exploring Operation: 53+99=152, Resulting Numbers: [152] 152,16 unequal: No Solution Exploring Operation: 99-53=46, Resulting Numbers: [46] 46,16 unequal: No Solution Moving to Node #0,0,2 Current State: 16:[23, 129], Operations: ['46/2=23', '76+53=129'] Exploring Operation: 129-23=106, Resulting Numbers: [106] 106,16 unequal: No Solution Exploring Operation: 23*129=2967, Resulting Numbers: [2967] 2967,16 unequal: No Solution Exploring Operation: 23+129=152, Resulting Numbers: [152] 152,16 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 34, 30, 18, 15 ]
30
[ "34-18=16", "16-15=1", "30*1=30" ]
Current State: 30:[34, 30, 18, 15], Operations: [] Exploring Operation: 34-18=16, Resulting Numbers: [30, 15, 16] Generated Node #2: [30, 15, 16] from Operation: 34-18=16 Current State: 30:[30, 15, 16], Operations: ['34-18=16'] Exploring Operation: 16-15=1, Resulting Numbers: [30, 1] Generated Node #3: [30, 1] from Operation: 16-15=1 Current State: 30:[30, 1], Operations: ['34-18=16', '16-15=1'] Exploring Operation: 30*1=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
4
Current State: 30:[34, 30, 18, 15], Operations: [] Exploring Operation: 34-18=16, Resulting Numbers: [30, 15, 16] Generated Node #0,0: 30:[30, 15, 16] Operation: 34-18=16 Start Sub Search at level 1: Moving to Node #0,0 Current State: 30:[30, 15, 16], Operations: ['34-18=16'] Exploring Operation: 30-15=15, Resulting Numbers: [16, 15] Generated Node #0,0,0: 30:[16, 15] Operation: 30-15=15 Moving to Node #0,0,0 Current State: 30:[16, 15], Operations: ['34-18=16', '30-15=15'] Exploring Operation: 16+15=31, Resulting Numbers: [31] 31,30 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
[ 92, 64, 26, 2 ]
80
[ "92-64=28", "26*2=52", "28+52=80" ]
Current State: 80:[92, 64, 26, 2], Operations: [] Exploring Operation: 92-64=28, Resulting Numbers: [26, 2, 28] Generated Node #2: [26, 2, 28] from Operation: 92-64=28 Current State: 80:[26, 2, 28], Operations: ['92-64=28'] Exploring Operation: 26*2=52, Resulting Numbers: [28, 52] Generated Node #3: [28, 52] from Operation: 26*2=52 Current State: 80:[28, 52], Operations: ['92-64=28', '26*2=52'] Exploring Operation: 28+52=80, Resulting Numbers: [80] 80,80 equal: Goal Reached
4
Current State: 80:[92, 64, 26, 2], Operations: [] Exploring Operation: 64+26=90, Resulting Numbers: [92, 2, 90] Generated Node #0,0: 80:[92, 2, 90] Operation: 64+26=90 Exploring Operation: 92-64=28, Resulting Numbers: [26, 2, 28] Generated Node #0,1: 80:[26, 2, 28] Operation: 92-64=28 Exploring Operation: 64-26=38, Resulting Numbers: [92, 2, 38] Generated Node #0,2: 80:[92, 2, 38] Operation: 64-26=38 Exploring Operation: 92/2=46, Resulting Numbers: [64, 26, 46] Generated Node #0,3: 80:[64, 26, 46] Operation: 92/2=46 Exploring Operation: 64/2=32, Resulting Numbers: [92, 26, 32] Generated Node #0,4: 80:[92, 26, 32] Operation: 64/2=32 Moving to Node #0,1 Current State: 80:[26, 2, 28], Operations: ['92-64=28'] Exploring Operation: 26/2=13, Resulting Numbers: [28, 13] Generated Node #0,1,0: 80:[28, 13] Operation: 26/2=13 Exploring Operation: 26-2=24, Resulting Numbers: [28, 24] Generated Node #0,1,1: 80:[28, 24] Operation: 26-2=24 Exploring Operation: 28/2=14, Resulting Numbers: [26, 14] Generated Node #0,1,2: 80:[26, 14] Operation: 28/2=14 Exploring Operation: 28-26=2, Resulting Numbers: [2, 2] Generated Node #0,1,3: 80:[2, 2] Operation: 28-26=2 Exploring Operation: 28-2=26, Resulting Numbers: [26, 26] Generated Node #0,1,4: 80:[26, 26] Operation: 28-2=26 Moving to Node #0,2 Current State: 80:[92, 2, 38], Operations: ['64-26=38'] Exploring Operation: 92-38=54, Resulting Numbers: [2, 54] Generated Node #0,2,0: 80:[2, 54] Operation: 92-38=54 Exploring Operation: 92-2=90, Resulting Numbers: [38, 90] Generated Node #0,2,1: 80:[38, 90] Operation: 92-2=90 Exploring Operation: 92/2=46, Resulting Numbers: [38, 46] Generated Node #0,2,2: 80:[38, 46] Operation: 92/2=46 Exploring Operation: 38/2=19, Resulting Numbers: [92, 19] Generated Node #0,2,3: 80:[92, 19] Operation: 38/2=19 Exploring Operation: 2+38=40, Resulting Numbers: [92, 40] Generated Node #0,2,4: 80:[92, 40] Operation: 2+38=40 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 80:[38, 46], Operations: ['64-26=38', '92/2=46'] Exploring Operation: 38+46=84, Resulting Numbers: [84] 84,80 unequal: No Solution Exploring Operation: 38*46=1748, Resulting Numbers: [1748] 1748,80 unequal: No Solution Exploring Operation: 46-38=8, Resulting Numbers: [8] 8,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 80:[38, 90], Operations: ['64-26=38', '92-2=90'] Exploring Operation: 38*90=3420, Resulting Numbers: [3420] 3420,80 unequal: No Solution Exploring Operation: 90-38=52, Resulting Numbers: [52] 52,80 unequal: No Solution Exploring Operation: 38+90=128, Resulting Numbers: [128] 128,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 80:[92, 40], Operations: ['64-26=38', '2+38=40'] Exploring Operation: 92-40=52, Resulting Numbers: [52] 52,80 unequal: No Solution Exploring Operation: 92+40=132, Resulting Numbers: [132] 132,80 unequal: No Solution Exploring Operation: 92*40=3680, Resulting Numbers: [3680] 3680,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 80:[92, 19], Operations: ['64-26=38', '38/2=19'] Exploring Operation: 92+19=111, Resulting Numbers: [111] 111,80 unequal: No Solution Exploring Operation: 92*19=1748, Resulting Numbers: [1748] 1748,80 unequal: No Solution Exploring Operation: 92-19=73, Resulting Numbers: [73] 73,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 80:[2, 54], Operations: ['64-26=38', '92-38=54'] Exploring Operation: 2+54=56, Resulting Numbers: [56] 56,80 unequal: No Solution Exploring Operation: 2*54=108, Resulting Numbers: [108] 108,80 unequal: No Solution Exploring Operation: 54-2=52, Resulting Numbers: [52] 52,80 unequal: No Solution Exploring Operation: 54/2=27, Resulting Numbers: [27] 27,80 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: 80:[92, 2, 90], Operations: ['64+26=90'] Exploring Operation: 92/2=46, Resulting Numbers: [90, 46] Generated Node #0,0,0: 80:[90, 46] Operation: 92/2=46 Exploring Operation: 90-2=88, Resulting Numbers: [92, 88] Generated Node #0,0,1: 80:[92, 88] Operation: 90-2=88 Exploring Operation: 90/2=45, Resulting Numbers: [92, 45] Generated Node #0,0,2: 80:[92, 45] Operation: 90/2=45 Exploring Operation: 92-90=2, Resulting Numbers: [2, 2] Generated Node #0,0,3: 80:[2, 2] Operation: 92-90=2 Exploring Operation: 92-2=90, Resulting Numbers: [90, 90] Generated Node #0,0,4: 80:[90, 90] Operation: 92-2=90 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 80:[2, 2], Operations: ['64+26=90', '92-90=2'] Exploring Operation: 2/2=1, Resulting Numbers: [1] 1,80 unequal: No Solution Exploring Operation: 2-2=0, Resulting Numbers: [0] 0,80 unequal: No Solution Exploring Operation: 2*2=4, Resulting Numbers: [4] 4,80 unequal: No Solution Exploring Operation: 2+2=4, Resulting Numbers: [4] 4,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 80:[90, 46], Operations: ['64+26=90', '92/2=46'] Exploring Operation: 90*46=4140, Resulting Numbers: [4140] 4140,80 unequal: No Solution Exploring Operation: 90+46=136, Resulting Numbers: [136] 136,80 unequal: No Solution Exploring Operation: 90-46=44, Resulting Numbers: [44] 44,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 80:[92, 45], Operations: ['64+26=90', '90/2=45'] Exploring Operation: 92-45=47, Resulting Numbers: [47] 47,80 unequal: No Solution Exploring Operation: 92*45=4140, Resulting Numbers: [4140] 4140,80 unequal: No Solution Exploring Operation: 92+45=137, Resulting Numbers: [137] 137,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 80:[92, 88], Operations: ['64+26=90', '90-2=88'] Exploring Operation: 92*88=8096, Resulting Numbers: [8096] 8096,80 unequal: No Solution Exploring Operation: 92+88=180, Resulting Numbers: [180] 180,80 unequal: No Solution Exploring Operation: 92-88=4, Resulting Numbers: [4] 4,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 80:[90, 90], Operations: ['64+26=90', '92-2=90'] Exploring Operation: 90*90=8100, Resulting Numbers: [8100] 8100,80 unequal: No Solution Exploring Operation: 90/90=1, Resulting Numbers: [1] 1,80 unequal: No Solution Exploring Operation: 90+90=180, Resulting Numbers: [180] 180,80 unequal: No Solution Exploring Operation: 90-90=0, Resulting Numbers: [0] 0,80 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: 80:[92, 26, 32], Operations: ['64/2=32'] Exploring Operation: 92+26=118, Resulting Numbers: [32, 118] Generated Node #0,4,0: 80:[32, 118] Operation: 92+26=118 Exploring Operation: 92-32=60, Resulting Numbers: [26, 60] Generated Node #0,4,1: 80:[26, 60] Operation: 92-32=60 Exploring Operation: 92-26=66, Resulting Numbers: [32, 66] Generated Node #0,4,2: 80:[32, 66] Operation: 92-26=66 Exploring Operation: 26+32=58, Resulting Numbers: [92, 58] Generated Node #0,4,3: 80:[92, 58] Operation: 26+32=58 Exploring Operation: 32-26=6, Resulting Numbers: [92, 6] Generated Node #0,4,4: 80:[92, 6] Operation: 32-26=6 Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 80:[92, 6], Operations: ['64/2=32', '32-26=6'] Exploring Operation: 92+6=98, Resulting Numbers: [98] 98,80 unequal: No Solution Exploring Operation: 92-6=86, Resulting Numbers: [86] 86,80 unequal: No Solution Exploring Operation: 92*6=552, Resulting Numbers: [552] 552,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 80:[32, 66], Operations: ['64/2=32', '92-26=66'] Exploring Operation: 32*66=2112, Resulting Numbers: [2112] 2112,80 unequal: No Solution Exploring Operation: 32+66=98, Resulting Numbers: [98] 98,80 unequal: No Solution Exploring Operation: 66-32=34, Resulting Numbers: [34] 34,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 80:[26, 60], Operations: ['64/2=32', '92-32=60'] Exploring Operation: 60-26=34, Resulting Numbers: [34] 34,80 unequal: No Solution Exploring Operation: 26*60=1560, Resulting Numbers: [1560] 1560,80 unequal: No Solution Exploring Operation: 26+60=86, Resulting Numbers: [86] 86,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 80:[92, 58], Operations: ['64/2=32', '26+32=58'] Exploring Operation: 92+58=150, Resulting Numbers: [150] 150,80 unequal: No Solution Exploring Operation: 92*58=5336, Resulting Numbers: [5336] 5336,80 unequal: No Solution Exploring Operation: 92-58=34, Resulting Numbers: [34] 34,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 80:[32, 118], Operations: ['64/2=32', '92+26=118'] Exploring Operation: 32+118=150, Resulting Numbers: [150] 150,80 unequal: No Solution Exploring Operation: 32*118=3776, Resulting Numbers: [3776] 3776,80 unequal: No Solution Exploring Operation: 118-32=86, Resulting Numbers: [86] 86,80 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: 80:[64, 26, 46], Operations: ['92/2=46'] Exploring Operation: 46-26=20, Resulting Numbers: [64, 20] Generated Node #0,3,0: 80:[64, 20] Operation: 46-26=20 Exploring Operation: 64-26=38, Resulting Numbers: [46, 38] Generated Node #0,3,1: 80:[46, 38] Operation: 64-26=38 Exploring Operation: 26+46=72, Resulting Numbers: [64, 72] Generated Node #0,3,2: 80:[64, 72] Operation: 26+46=72 Exploring Operation: 64+26=90, Resulting Numbers: [46, 90] Generated Node #0,3,3: 80:[46, 90] Operation: 64+26=90 Exploring Operation: 64-46=18, Resulting Numbers: [26, 18] Generated Node #0,3,4: 80:[26, 18] Operation: 64-46=18 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 80:[46, 38], Operations: ['92/2=46', '64-26=38'] Exploring Operation: 46+38=84, Resulting Numbers: [84] 84,80 unequal: No Solution Exploring Operation: 46-38=8, Resulting Numbers: [8] 8,80 unequal: No Solution Exploring Operation: 46*38=1748, Resulting Numbers: [1748] 1748,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 80:[26, 18], Operations: ['92/2=46', '64-46=18'] Exploring Operation: 26-18=8, Resulting Numbers: [8] 8,80 unequal: No Solution Exploring Operation: 26+18=44, Resulting Numbers: [44] 44,80 unequal: No Solution Exploring Operation: 26*18=468, Resulting Numbers: [468] 468,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 80:[64, 20], Operations: ['92/2=46', '46-26=20'] Exploring Operation: 64*20=1280, Resulting Numbers: [1280] 1280,80 unequal: No Solution Exploring Operation: 64+20=84, Resulting Numbers: [84] 84,80 unequal: No Solution Exploring Operation: 64-20=44, Resulting Numbers: [44] 44,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 80:[46, 90], Operations: ['92/2=46', '64+26=90'] Exploring Operation: 90-46=44, Resulting Numbers: [44] 44,80 unequal: No Solution Exploring Operation: 46*90=4140, Resulting Numbers: [4140] 4140,80 unequal: No Solution Exploring Operation: 46+90=136, Resulting Numbers: [136] 136,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 80:[64, 72], Operations: ['92/2=46', '26+46=72'] Exploring Operation: 64+72=136, Resulting Numbers: [136] 136,80 unequal: No Solution Exploring Operation: 72-64=8, Resulting Numbers: [8] 8,80 unequal: No Solution Exploring Operation: 64*72=4608, Resulting Numbers: [4608] 4608,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1,3 Current State: 80:[2, 2], Operations: ['92-64=28', '28-26=2'] Exploring Operation: 2-2=0, Resulting Numbers: [0] 0,80 unequal: No Solution Exploring Operation: 2+2=4, Resulting Numbers: [4] 4,80 unequal: No Solution Exploring Operation: 2/2=1, Resulting Numbers: [1] 1,80 unequal: No Solution Exploring Operation: 2*2=4, Resulting Numbers: [4] 4,80 unequal: No Solution Moving to Node #0,1,2 Current State: 80:[26, 14], Operations: ['92-64=28', '28/2=14'] Exploring Operation: 26+14=40, Resulting Numbers: [40] 40,80 unequal: No Solution Exploring Operation: 26*14=364, Resulting Numbers: [364] 364,80 unequal: No Solution Exploring Operation: 26-14=12, Resulting Numbers: [12] 12,80 unequal: No Solution Moving to Node #0,1,0 Current State: 80:[28, 13], Operations: ['92-64=28', '26/2=13'] Exploring Operation: 28*13=364, Resulting Numbers: [364] 364,80 unequal: No Solution Exploring Operation: 28-13=15, Resulting Numbers: [15] 15,80 unequal: No Solution Exploring Operation: 28+13=41, Resulting Numbers: [41] 41,80 unequal: No Solution Moving to Node #0,1,1 Current State: 80:[28, 24], Operations: ['92-64=28', '26-2=24'] Exploring Operation: 28+24=52, Resulting Numbers: [52] 52,80 unequal: No Solution Exploring Operation: 28*24=672, Resulting Numbers: [672] 672,80 unequal: No Solution Exploring Operation: 28-24=4, Resulting Numbers: [4] 4,80 unequal: No Solution Moving to Node #0,1,4 Current State: 80:[26, 26], Operations: ['92-64=28', '28-2=26'] Exploring Operation: 26-26=0, Resulting Numbers: [0] 0,80 unequal: No Solution Exploring Operation: 26/26=1, Resulting Numbers: [1] 1,80 unequal: No Solution Exploring Operation: 26+26=52, Resulting Numbers: [52] 52,80 unequal: No Solution Exploring Operation: 26*26=676, Resulting Numbers: [676] 676,80 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 78, 79, 95, 26 ]
48
[ "78/26=3", "95-79=16", "3*16=48" ]
Current State: 48:[78, 79, 95, 26], Operations: [] Exploring Operation: 78/26=3, Resulting Numbers: [79, 95, 3] Generated Node #2: [79, 95, 3] from Operation: 78/26=3 Current State: 48:[79, 95, 3], Operations: ['78/26=3'] Exploring Operation: 95-79=16, Resulting Numbers: [3, 16] Generated Node #3: [3, 16] from Operation: 95-79=16 Current State: 48:[3, 16], Operations: ['78/26=3', '95-79=16'] Exploring Operation: 3*16=48, Resulting Numbers: [48] 48,48 equal: Goal Reached
4
Current State: 48:[78, 79, 95, 26], Operations: [] Exploring Operation: 95-79=16, Resulting Numbers: [78, 26, 16] Generated Node #0,0: 48:[78, 26, 16] Operation: 95-79=16 Moving to Node #0,0 Current State: 48:[78, 26, 16], Operations: ['95-79=16'] Exploring Operation: 78/26=3, Resulting Numbers: [16, 3] Generated Node #0,0,0: 48:[16, 3] Operation: 78/26=3 Moving to Node #0,0,0 Current State: 48:[16, 3], Operations: ['95-79=16', '78/26=3'] Exploring Operation: 16*3=48, Resulting Numbers: [48] 48,48 equal: Goal Reached Moving to Node #0 Current State: 48:[78, 79, 95, 26], Operations: [] Exploring Operation: 95-79=16, Resulting Numbers: [78, 26, 16] Generated Node #0,0: 48:[78, 26, 16] Operation: 95-79=16 Moving to Node #0,0 Current State: 48:[78, 26, 16], Operations: ['95-79=16'] Exploring Operation: 78/26=3, Resulting Numbers: [16, 3] Generated Node #0,0,0: 48:[16, 3] Operation: 78/26=3 Moving to Node #0,0,0 Current State: 48:[16, 3], Operations: ['95-79=16', '78/26=3'] Exploring Operation: 16*3=48, Resulting Numbers: [48] 48,48 equal: Goal Reached
0.993924
hs_1
sum_heuristic
[ 17, 61, 13, 86 ]
29
[ "61-17=44", "86-13=73", "73-44=29" ]
Current State: 29:[17, 61, 13, 86], Operations: [] Exploring Operation: 61-17=44, Resulting Numbers: [13, 86, 44] Generated Node #2: [13, 86, 44] from Operation: 61-17=44 Current State: 29:[13, 86, 44], Operations: ['61-17=44'] Exploring Operation: 86-13=73, Resulting Numbers: [44, 73] Generated Node #3: [44, 73] from Operation: 86-13=73 Current State: 29:[44, 73], Operations: ['61-17=44', '86-13=73'] Exploring Operation: 73-44=29, Resulting Numbers: [29] 29,29 equal: Goal Reached
4
Current State: 29:[17, 61, 13, 86], Operations: [] Exploring Operation: 86-17=69, Resulting Numbers: [61, 13, 69] Generated Node #0,0: 29:[61, 13, 69] Operation: 86-17=69 Exploring Operation: 86-61=25, Resulting Numbers: [17, 13, 25] Generated Node #0,1: 29:[17, 13, 25] Operation: 86-61=25 Exploring Operation: 86-13=73, Resulting Numbers: [17, 61, 73] Generated Node #0,2: 29:[17, 61, 73] Operation: 86-13=73 Exploring Operation: 61-13=48, Resulting Numbers: [17, 86, 48] Generated Node #0,3: 29:[17, 86, 48] Operation: 61-13=48 Exploring Operation: 61-17=44, Resulting Numbers: [13, 86, 44] Generated Node #0,4: 29:[13, 86, 44] Operation: 61-17=44 Moving to Node #0,1 Current State: 29:[17, 13, 25], Operations: ['86-61=25'] Exploring Operation: 25-13=12, Resulting Numbers: [17, 12] Generated Node #0,1,0: 29:[17, 12] Operation: 25-13=12 Exploring Operation: 13+25=38, Resulting Numbers: [17, 38] Generated Node #0,1,1: 29:[17, 38] Operation: 13+25=38 Exploring Operation: 17+13=30, Resulting Numbers: [25, 30] Generated Node #0,1,2: 29:[25, 30] Operation: 17+13=30 Exploring Operation: 17+25=42, Resulting Numbers: [13, 42] Generated Node #0,1,3: 29:[13, 42] Operation: 17+25=42 Exploring Operation: 17-13=4, Resulting Numbers: [25, 4] Generated Node #0,1,4: 29:[25, 4] Operation: 17-13=4 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 29:[25, 30], Operations: ['86-61=25', '17+13=30'] Exploring Operation: 30-25=5, Resulting Numbers: [5] 5,29 unequal: No Solution Exploring Operation: 25*30=750, Resulting Numbers: [750] 750,29 unequal: No Solution Exploring Operation: 25+30=55, Resulting Numbers: [55] 55,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 29:[17, 38], Operations: ['86-61=25', '13+25=38'] Exploring Operation: 17+38=55, Resulting Numbers: [55] 55,29 unequal: No Solution Exploring Operation: 38-17=21, Resulting Numbers: [21] 21,29 unequal: No Solution Exploring Operation: 17*38=646, Resulting Numbers: [646] 646,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 29:[17, 12], Operations: ['86-61=25', '25-13=12'] Exploring Operation: 17+12=29, Resulting Numbers: [29] 29,29 equal: Goal Reached Moving to Node #0 Current State: 29:[17, 61, 13, 86], Operations: [] Exploring Operation: 86-61=25, Resulting Numbers: [17, 13, 25] Generated Node #0,1: 29:[17, 13, 25] Operation: 86-61=25 Moving to Node #0,1 Current State: 29:[17, 13, 25], Operations: ['86-61=25'] Exploring Operation: 25-13=12, Resulting Numbers: [17, 12] Generated Node #0,1,0: 29:[17, 12] Operation: 25-13=12 Moving to Node #0,1,0 Current State: 29:[17, 12], Operations: ['86-61=25', '25-13=12'] Exploring Operation: 17+12=29, Resulting Numbers: [29] 29,29 equal: Goal Reached Exit Sub Search at level 1
0.981771
hs_5
mult_heuristic
[ 90, 1, 24, 74 ]
41
[ "90+1=91", "74-24=50", "91-50=41" ]
Current State: 41:[90, 1, 24, 74], Operations: [] Exploring Operation: 90+1=91, Resulting Numbers: [24, 74, 91] Generated Node #2: [24, 74, 91] from Operation: 90+1=91 Current State: 41:[24, 74, 91], Operations: ['90+1=91'] Exploring Operation: 74-24=50, Resulting Numbers: [91, 50] Generated Node #3: [91, 50] from Operation: 74-24=50 Current State: 41:[91, 50], Operations: ['90+1=91', '74-24=50'] Exploring Operation: 91-50=41, Resulting Numbers: [41] 41,41 equal: Goal Reached
4
Current State: 41:[90, 1, 24, 74], Operations: [] Exploring Operation: 90-74=16, Resulting Numbers: [1, 24, 16] Generated Node #0,0: 41:[1, 24, 16] Operation: 90-74=16 Start Sub Search at level 1: Moving to Node #0,0 Current State: 41:[1, 24, 16], Operations: ['90-74=16'] Exploring Operation: 1+24=25, Resulting Numbers: [16, 25] Generated Node #0,0,0: 41:[16, 25] Operation: 1+24=25 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 41:[16, 25], Operations: ['90-74=16', '1+24=25'] Exploring Operation: 16+25=41, Resulting Numbers: [41] 41,41 equal: Goal Reached Moving to Node #0 Current State: 41:[90, 1, 24, 74], Operations: [] Exploring Operation: 90-74=16, Resulting Numbers: [1, 24, 16] Generated Node #0,0: 41:[1, 24, 16] Operation: 90-74=16 Moving to Node #0,0 Current State: 41:[1, 24, 16], Operations: ['90-74=16'] Exploring Operation: 1+24=25, Resulting Numbers: [16, 25] Generated Node #0,0,0: 41:[16, 25] Operation: 1+24=25 Moving to Node #0,0,0 Current State: 41:[16, 25], Operations: ['90-74=16', '1+24=25'] Exploring Operation: 16+25=41, Resulting Numbers: [41] 41,41 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 45, 60, 2, 75 ]
90
[ "45+60=105", "75+105=180", "180/2=90" ]
Current State: 90:[45, 60, 2, 75], Operations: [] Exploring Operation: 45+60=105, Resulting Numbers: [2, 75, 105] Generated Node #2: [2, 75, 105] from Operation: 45+60=105 Current State: 90:[2, 75, 105], Operations: ['45+60=105'] Exploring Operation: 75+105=180, Resulting Numbers: [2, 180] Generated Node #3: [2, 180] from Operation: 75+105=180 Current State: 90:[2, 180], Operations: ['45+60=105', '75+105=180'] Exploring Operation: 180/2=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
4
Current State: 90:[45, 60, 2, 75], Operations: [] Exploring Operation: 75-60=15, Resulting Numbers: [45, 2, 15] Generated Node #0,0: 90:[45, 2, 15] Operation: 75-60=15 Start Sub Search at level 1: Moving to Node #0,0 Current State: 90:[45, 2, 15], Operations: ['75-60=15'] Exploring Operation: 45*2=90, Resulting Numbers: [15, 90] Generated Node #0,0,0: 90:[15, 90] Operation: 45*2=90 Moving to Node #0,0,0 Current State: 90:[15, 90], Operations: ['75-60=15', '45*2=90'] Exploring Operation: 90/15=6, Resulting Numbers: [6] 6,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 62, 34, 6, 99 ]
97
[ "62+6=68", "68/34=2", "99-2=97" ]
Current State: 97:[62, 34, 6, 99], Operations: [] Exploring Operation: 62+6=68, Resulting Numbers: [34, 99, 68] Generated Node #2: [34, 99, 68] from Operation: 62+6=68 Current State: 97:[34, 99, 68], Operations: ['62+6=68'] Exploring Operation: 68/34=2, Resulting Numbers: [99, 2] Generated Node #3: [99, 2] from Operation: 68/34=2 Current State: 97:[99, 2], Operations: ['62+6=68', '68/34=2'] Exploring Operation: 99-2=97, Resulting Numbers: [97] 97,97 equal: Goal Reached
4
Current State: 97:[62, 34, 6, 99], Operations: [] Exploring Operation: 99-6=93, Resulting Numbers: [62, 34, 93] Generated Node #0,0: 97:[62, 34, 93] Operation: 99-6=93 Exploring Operation: 62+34=96, Resulting Numbers: [6, 99, 96] Generated Node #0,1: 97:[6, 99, 96] Operation: 62+34=96 Exploring Operation: 62-6=56, Resulting Numbers: [34, 99, 56] Generated Node #0,2: 97:[34, 99, 56] Operation: 62-6=56 Exploring Operation: 34+6=40, Resulting Numbers: [62, 99, 40] Generated Node #0,3: 97:[62, 99, 40] Operation: 34+6=40 Exploring Operation: 62+6=68, Resulting Numbers: [34, 99, 68] Generated Node #0,4: 97:[34, 99, 68] Operation: 62+6=68 Start Sub Search at level 1: Moving to Node #0,1 Current State: 97:[6, 99, 96], Operations: ['62+34=96'] Exploring Operation: 96/6=16, Resulting Numbers: [99, 16] Generated Node #0,1,0: 97:[99, 16] Operation: 96/6=16 Exploring Operation: 6+96=102, Resulting Numbers: [99, 102] Generated Node #0,1,1: 97:[99, 102] Operation: 6+96=102 Exploring Operation: 96-6=90, Resulting Numbers: [99, 90] Generated Node #0,1,2: 97:[99, 90] Operation: 96-6=90 Exploring Operation: 99-6=93, Resulting Numbers: [96, 93] Generated Node #0,1,3: 97:[96, 93] Operation: 99-6=93 Exploring Operation: 6+99=105, Resulting Numbers: [96, 105] Generated Node #0,1,4: 97:[96, 105] Operation: 6+99=105 Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 97:[96, 93], Operations: ['62+34=96', '99-6=93'] Exploring Operation: 96+93=189, Resulting Numbers: [189] 189,97 unequal: No Solution Exploring Operation: 96-93=3, Resulting Numbers: [3] 3,97 unequal: No Solution Exploring Operation: 96*93=8928, Resulting Numbers: [8928] 8928,97 unequal: No Solution No 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: 97:[99, 102], Operations: ['62+34=96', '6+96=102'] Exploring Operation: 99+102=201, Resulting Numbers: [201] 201,97 unequal: No Solution Exploring Operation: 102-99=3, Resulting Numbers: [3] 3,97 unequal: No Solution Exploring Operation: 99*102=10098, Resulting Numbers: [10098] 10098,97 unequal: No Solution No 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: 97:[99, 90], Operations: ['62+34=96', '96-6=90'] Exploring Operation: 99*90=8910, Resulting Numbers: [8910] 8910,97 unequal: No Solution Exploring Operation: 99+90=189, Resulting Numbers: [189] 189,97 unequal: No Solution Exploring Operation: 99-90=9, Resulting Numbers: [9] 9,97 unequal: No Solution No 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: 97:[96, 105], Operations: ['62+34=96', '6+99=105'] Exploring Operation: 96+105=201, Resulting Numbers: [201] 201,97 unequal: No Solution Exploring Operation: 96*105=10080, Resulting Numbers: [10080] 10080,97 unequal: No Solution Exploring Operation: 105-96=9, Resulting Numbers: [9] 9,97 unequal: No Solution No 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: 97:[99, 16], Operations: ['62+34=96', '96/6=16'] Exploring Operation: 99*16=1584, Resulting Numbers: [1584] 1584,97 unequal: No Solution Exploring Operation: 99-16=83, Resulting Numbers: [83] 83,97 unequal: No Solution Exploring Operation: 99+16=115, Resulting Numbers: [115] 115,97 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: 97:[62, 99, 40], Operations: ['34+6=40'] Exploring Operation: 62+40=102, Resulting Numbers: [99, 102] Generated Node #0,3,0: 97:[99, 102] Operation: 62+40=102 Exploring Operation: 99-40=59, Resulting Numbers: [62, 59] Generated Node #0,3,1: 97:[62, 59] Operation: 99-40=59 Exploring Operation: 62-40=22, Resulting Numbers: [99, 22] Generated Node #0,3,2: 97:[99, 22] Operation: 62-40=22 Exploring Operation: 99+40=139, Resulting Numbers: [62, 139] Generated Node #0,3,3: 97:[62, 139] Operation: 99+40=139 Exploring Operation: 99-62=37, Resulting Numbers: [40, 37] Generated Node #0,3,4: 97:[40, 37] Operation: 99-62=37 Moving to Node #0,3,0 Current State: 97:[99, 102], Operations: ['34+6=40', '62+40=102'] Exploring Operation: 99*102=10098, Resulting Numbers: [10098] 10098,97 unequal: No Solution Exploring Operation: 102-99=3, Resulting Numbers: [3] 3,97 unequal: No Solution Exploring Operation: 99+102=201, Resulting Numbers: [201] 201,97 unequal: No Solution Moving to Node #0,3,1 Current State: 97:[62, 59], Operations: ['34+6=40', '99-40=59'] Exploring Operation: 62+59=121, Resulting Numbers: [121] 121,97 unequal: No Solution Exploring Operation: 62*59=3658, Resulting Numbers: [3658] 3658,97 unequal: No Solution Exploring Operation: 62-59=3, Resulting Numbers: [3] 3,97 unequal: No Solution Moving to Node #0,3,2 Current State: 97:[99, 22], Operations: ['34+6=40', '62-40=22'] Exploring Operation: 99-22=77, Resulting Numbers: [77] 77,97 unequal: No Solution Exploring Operation: 99+22=121, Resulting Numbers: [121] 121,97 unequal: No Solution Exploring Operation: 99*22=2178, Resulting Numbers: [2178] 2178,97 unequal: No Solution Moving to Node #0,3,3 Current State: 97:[62, 139], Operations: ['34+6=40', '99+40=139'] Exploring Operation: 62*139=8618, Resulting Numbers: [8618] 8618,97 unequal: No Solution Exploring Operation: 139-62=77, Resulting Numbers: [77] 77,97 unequal: No Solution Exploring Operation: 62+139=201, Resulting Numbers: [201] 201,97 unequal: No Solution Moving to Node #0,3,4 Current State: 97:[40, 37], Operations: ['34+6=40', '99-62=37'] Exploring Operation: 40-37=3, Resulting Numbers: [3] 3,97 unequal: No Solution Exploring Operation: 40*37=1480, Resulting Numbers: [1480] 1480,97 unequal: No Solution Exploring Operation: 40+37=77, Resulting Numbers: [77] 77,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 97:[34, 99, 68], Operations: ['62+6=68'] Exploring Operation: 34+99=133, Resulting Numbers: [68, 133] Generated Node #0,4,0: 97:[68, 133] Operation: 34+99=133 Exploring Operation: 99-34=65, Resulting Numbers: [68, 65] Generated Node #0,4,1: 97:[68, 65] Operation: 99-34=65 Exploring Operation: 34+68=102, Resulting Numbers: [99, 102] Generated Node #0,4,2: 97:[99, 102] Operation: 34+68=102 Exploring Operation: 68/34=2, Resulting Numbers: [99, 2] Generated Node #0,4,3: 97:[99, 2] Operation: 68/34=2 Exploring Operation: 68-34=34, Resulting Numbers: [99, 34] Generated Node #0,4,4: 97:[99, 34] Operation: 68-34=34 Moving to Node #0,4,2 Current State: 97:[99, 102], Operations: ['62+6=68', '34+68=102'] Exploring Operation: 102-99=3, Resulting Numbers: [3] 3,97 unequal: No Solution Exploring Operation: 99+102=201, Resulting Numbers: [201] 201,97 unequal: No Solution Exploring Operation: 99*102=10098, Resulting Numbers: [10098] 10098,97 unequal: No Solution Moving to Node #0,4,1 Current State: 97:[68, 65], Operations: ['62+6=68', '99-34=65'] Exploring Operation: 68+65=133, Resulting Numbers: [133] 133,97 unequal: No Solution Exploring Operation: 68*65=4420, Resulting Numbers: [4420] 4420,97 unequal: No Solution Exploring Operation: 68-65=3, Resulting Numbers: [3] 3,97 unequal: No Solution Moving to Node #0,4,0 Current State: 97:[68, 133], Operations: ['62+6=68', '34+99=133'] Exploring Operation: 68+133=201, Resulting Numbers: [201] 201,97 unequal: No Solution Exploring Operation: 133-68=65, Resulting Numbers: [65] 65,97 unequal: No Solution Exploring Operation: 68*133=9044, Resulting Numbers: [9044] 9044,97 unequal: No Solution Moving to Node #0,4,4 Current State: 97:[99, 34], Operations: ['62+6=68', '68-34=34'] Exploring Operation: 99*34=3366, Resulting Numbers: [3366] 3366,97 unequal: No Solution Exploring Operation: 99+34=133, Resulting Numbers: [133] 133,97 unequal: No Solution Exploring Operation: 99-34=65, Resulting Numbers: [65] 65,97 unequal: No Solution Moving to Node #0,4,3 Current State: 97:[99, 2], Operations: ['62+6=68', '68/34=2'] Exploring Operation: 99-2=97, Resulting Numbers: [97] 97,97 equal: Goal Reached Moving to Node #0 Current State: 97:[62, 34, 6, 99], Operations: [] Exploring Operation: 62+6=68, Resulting Numbers: [34, 99, 68] Generated Node #0,4: 97:[34, 99, 68] Operation: 62+6=68 Moving to Node #0,4 Current State: 97:[34, 99, 68], Operations: ['62+6=68'] Exploring Operation: 68/34=2, Resulting Numbers: [99, 2] Generated Node #0,4,3: 97:[99, 2] Operation: 68/34=2 Moving to Node #0,4,3 Current State: 97:[99, 2], Operations: ['62+6=68', '68/34=2'] Exploring Operation: 99-2=97, Resulting Numbers: [97] 97,97 equal: Goal Reached Exit Sub Search at level 1
0.94184
hs_5
mult_heuristic
[ 29, 20, 10, 66 ]
35
[ "66-29=37", "20/10=2", "37-2=35" ]
Current State: 35:[29, 20, 10, 66], Operations: [] Exploring Operation: 66-29=37, Resulting Numbers: [20, 10, 37] Generated Node #2: [20, 10, 37] from Operation: 66-29=37 Current State: 35:[20, 10, 37], Operations: ['66-29=37'] Exploring Operation: 20/10=2, Resulting Numbers: [37, 2] Generated Node #3: [37, 2] from Operation: 20/10=2 Current State: 35:[37, 2], Operations: ['66-29=37', '20/10=2'] Exploring Operation: 37-2=35, Resulting Numbers: [35] 35,35 equal: Goal Reached
4
Current State: 35:[29, 20, 10, 66], Operations: [] Exploring Operation: 66-29=37, Resulting Numbers: [20, 10, 37] Generated Node #0,0: 35:[20, 10, 37] Operation: 66-29=37 Moving to Node #0,0 Current State: 35:[20, 10, 37], Operations: ['66-29=37'] Exploring Operation: 20-10=10, Resulting Numbers: [37, 10] Generated Node #0,0,0: 35:[37, 10] Operation: 20-10=10 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 35:[37, 10], Operations: ['66-29=37', '20-10=10'] Exploring Operation: 37-10=27, Resulting Numbers: [27] 27,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 85, 14, 13, 40 ]
83
[ "40-14=26", "26/13=2", "85-2=83" ]
Current State: 83:[85, 14, 13, 40], Operations: [] Exploring Operation: 40-14=26, Resulting Numbers: [85, 13, 26] Generated Node #2: [85, 13, 26] from Operation: 40-14=26 Current State: 83:[85, 13, 26], Operations: ['40-14=26'] Exploring Operation: 26/13=2, Resulting Numbers: [85, 2] Generated Node #3: [85, 2] from Operation: 26/13=2 Current State: 83:[85, 2], Operations: ['40-14=26', '26/13=2'] Exploring Operation: 85-2=83, Resulting Numbers: [83] 83,83 equal: Goal Reached
4
Current State: 83:[85, 14, 13, 40], Operations: [] Exploring Operation: 14+13=27, Resulting Numbers: [85, 40, 27] Generated Node #0,0: 83:[85, 40, 27] Operation: 14+13=27 Exploring Operation: 14+40=54, Resulting Numbers: [85, 13, 54] Generated Node #0,1: 83:[85, 13, 54] Operation: 14+40=54 Exploring Operation: 13+40=53, Resulting Numbers: [85, 14, 53] Generated Node #0,2: 83:[85, 14, 53] Operation: 13+40=53 Exploring Operation: 85-13=72, Resulting Numbers: [14, 40, 72] Generated Node #0,3: 83:[14, 40, 72] Operation: 85-13=72 Moving to Node #0,0 Current State: 83:[85, 40, 27], Operations: ['14+13=27'] Exploring Operation: 40+27=67, Resulting Numbers: [85, 67] Generated Node #0,0,0: 83:[85, 67] Operation: 40+27=67 Exploring Operation: 40-27=13, Resulting Numbers: [85, 13] Generated Node #0,0,1: 83:[85, 13] Operation: 40-27=13 Exploring Operation: 85+27=112, Resulting Numbers: [40, 112] Generated Node #0,0,2: 83:[40, 112] Operation: 85+27=112 Exploring Operation: 85-27=58, Resulting Numbers: [40, 58] Generated Node #0,0,3: 83:[40, 58] Operation: 85-27=58 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 83:[85, 67], Operations: ['14+13=27', '40+27=67'] Exploring Operation: 85+67=152, Resulting Numbers: [152] 152,83 unequal: No Solution Exploring Operation: 85-67=18, Resulting Numbers: [18] 18,83 unequal: No Solution Exploring Operation: 85*67=5695, Resulting Numbers: [5695] 5695,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 83:[40, 58], Operations: ['14+13=27', '85-27=58'] Exploring Operation: 58-40=18, Resulting Numbers: [18] 18,83 unequal: No Solution Exploring Operation: 40+58=98, Resulting Numbers: [98] 98,83 unequal: No Solution Exploring Operation: 40*58=2320, Resulting Numbers: [2320] 2320,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 83:[85, 13], Operations: ['14+13=27', '40-27=13'] Exploring Operation: 85+13=98, Resulting Numbers: [98] 98,83 unequal: No Solution Exploring Operation: 85*13=1105, Resulting Numbers: [1105] 1105,83 unequal: No Solution Exploring Operation: 85-13=72, Resulting Numbers: [72] 72,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 83:[40, 112], Operations: ['14+13=27', '85+27=112'] Exploring Operation: 112-40=72, Resulting Numbers: [72] 72,83 unequal: No Solution Exploring Operation: 40+112=152, Resulting Numbers: [152] 152,83 unequal: No Solution Exploring Operation: 40*112=4480, Resulting Numbers: [4480] 4480,83 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: 83:[85, 14, 53], Operations: ['13+40=53'] Exploring Operation: 53-14=39, Resulting Numbers: [85, 39] Generated Node #0,2,0: 83:[85, 39] Operation: 53-14=39 Exploring Operation: 85-14=71, Resulting Numbers: [53, 71] Generated Node #0,2,1: 83:[53, 71] Operation: 85-14=71 Exploring Operation: 14+53=67, Resulting Numbers: [85, 67] Generated Node #0,2,2: 83:[85, 67] Operation: 14+53=67 Exploring Operation: 85+14=99, Resulting Numbers: [53, 99] Generated Node #0,2,3: 83:[53, 99] Operation: 85+14=99 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 83:[85, 67], Operations: ['13+40=53', '14+53=67'] Exploring Operation: 85*67=5695, Resulting Numbers: [5695] 5695,83 unequal: No Solution Exploring Operation: 85-67=18, Resulting Numbers: [18] 18,83 unequal: No Solution Exploring Operation: 85+67=152, Resulting Numbers: [152] 152,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 83:[53, 71], Operations: ['13+40=53', '85-14=71'] Exploring Operation: 53+71=124, Resulting Numbers: [124] 124,83 unequal: No Solution Exploring Operation: 71-53=18, Resulting Numbers: [18] 18,83 unequal: No Solution Exploring Operation: 53*71=3763, Resulting Numbers: [3763] 3763,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 83:[85, 39], Operations: ['13+40=53', '53-14=39'] Exploring Operation: 85+39=124, Resulting Numbers: [124] 124,83 unequal: No Solution Exploring Operation: 85-39=46, Resulting Numbers: [46] 46,83 unequal: No Solution Exploring Operation: 85*39=3315, Resulting Numbers: [3315] 3315,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 83:[53, 99], Operations: ['13+40=53', '85+14=99'] Exploring Operation: 53*99=5247, Resulting Numbers: [5247] 5247,83 unequal: No Solution Exploring Operation: 53+99=152, Resulting Numbers: [152] 152,83 unequal: No Solution Exploring Operation: 99-53=46, Resulting Numbers: [46] 46,83 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: 83:[85, 13, 54], Operations: ['14+40=54'] Exploring Operation: 85-13=72, Resulting Numbers: [54, 72] Generated Node #0,1,0: 83:[54, 72] Operation: 85-13=72 Exploring Operation: 85+13=98, Resulting Numbers: [54, 98] Generated Node #0,1,1: 83:[54, 98] Operation: 85+13=98 Exploring Operation: 13+54=67, Resulting Numbers: [85, 67] Generated Node #0,1,2: 83:[85, 67] Operation: 13+54=67 Exploring Operation: 54-13=41, Resulting Numbers: [85, 41] Generated Node #0,1,3: 83:[85, 41] Operation: 54-13=41 Moving to Node #0,3 Current State: 83:[14, 40, 72], Operations: ['85-13=72'] Exploring Operation: 14+40=54, Resulting Numbers: [72, 54] Generated Node #0,3,0: 83:[72, 54] Operation: 14+40=54 Exploring Operation: 72-14=58, Resulting Numbers: [40, 58] Generated Node #0,3,1: 83:[40, 58] Operation: 72-14=58 Exploring Operation: 40-14=26, Resulting Numbers: [72, 26] Generated Node #0,3,2: 83:[72, 26] Operation: 40-14=26 Exploring Operation: 14+72=86, Resulting Numbers: [40, 86] Generated Node #0,3,3: 83:[40, 86] Operation: 14+72=86 Moving to Node #0,1,2 Current State: 83:[85, 67], Operations: ['14+40=54', '13+54=67'] Exploring Operation: 85-67=18, Resulting Numbers: [18] 18,83 unequal: No Solution Exploring Operation: 85+67=152, Resulting Numbers: [152] 152,83 unequal: No Solution Exploring Operation: 85*67=5695, Resulting Numbers: [5695] 5695,83 unequal: No Solution Moving to Node #0,1,0 Current State: 83:[54, 72], Operations: ['14+40=54', '85-13=72'] Exploring Operation: 54+72=126, Resulting Numbers: [126] 126,83 unequal: No Solution Exploring Operation: 54*72=3888, Resulting Numbers: [3888] 3888,83 unequal: No Solution Exploring Operation: 72-54=18, Resulting Numbers: [18] 18,83 unequal: No Solution Moving to Node #0,3,0 Current State: 83:[72, 54], Operations: ['85-13=72', '14+40=54'] Exploring Operation: 72+54=126, Resulting Numbers: [126] 126,83 unequal: No Solution Exploring Operation: 72*54=3888, Resulting Numbers: [3888] 3888,83 unequal: No Solution Exploring Operation: 72-54=18, Resulting Numbers: [18] 18,83 unequal: No Solution Moving to Node #0,1,1 Current State: 83:[54, 98], Operations: ['14+40=54', '85+13=98'] Exploring Operation: 98-54=44, Resulting Numbers: [44] 44,83 unequal: No Solution Exploring Operation: 54+98=152, Resulting Numbers: [152] 152,83 unequal: No Solution Exploring Operation: 54*98=5292, Resulting Numbers: [5292] 5292,83 unequal: No Solution Moving to Node #0,1,3 Current State: 83:[85, 41], Operations: ['14+40=54', '54-13=41'] Exploring Operation: 85-41=44, Resulting Numbers: [44] 44,83 unequal: No Solution Exploring Operation: 85*41=3485, Resulting Numbers: [3485] 3485,83 unequal: No Solution Exploring Operation: 85+41=126, Resulting Numbers: [126] 126,83 unequal: No Solution Moving to Node #0,3,3 Current State: 83:[40, 86], Operations: ['85-13=72', '14+72=86'] Exploring Operation: 40*86=3440, Resulting Numbers: [3440] 3440,83 unequal: No Solution Exploring Operation: 86-40=46, Resulting Numbers: [46] 46,83 unequal: No Solution Exploring Operation: 40+86=126, Resulting Numbers: [126] 126,83 unequal: No Solution Moving to Node #0,3,1 Current State: 83:[40, 58], Operations: ['85-13=72', '72-14=58'] Exploring Operation: 58-40=18, Resulting Numbers: [18] 18,83 unequal: No Solution Exploring Operation: 40+58=98, Resulting Numbers: [98] 98,83 unequal: No Solution Exploring Operation: 40*58=2320, Resulting Numbers: [2320] 2320,83 unequal: No Solution Moving to Node #0,3,2 Current State: 83:[72, 26], Operations: ['85-13=72', '40-14=26'] Exploring Operation: 72+26=98, Resulting Numbers: [98] 98,83 unequal: No Solution Exploring Operation: 72-26=46, Resulting Numbers: [46] 46,83 unequal: No Solution Exploring Operation: 72*26=1872, Resulting Numbers: [1872] 1872,83 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 93, 14, 85, 13 ]
90
[ "93-85=8", "13*8=104", "104-14=90" ]
Current State: 90:[93, 14, 85, 13], Operations: [] Exploring Operation: 93-85=8, Resulting Numbers: [14, 13, 8] Generated Node #2: [14, 13, 8] from Operation: 93-85=8 Current State: 90:[14, 13, 8], Operations: ['93-85=8'] Exploring Operation: 13*8=104, Resulting Numbers: [14, 104] Generated Node #3: [14, 104] from Operation: 13*8=104 Current State: 90:[14, 104], Operations: ['93-85=8', '13*8=104'] Exploring Operation: 104-14=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
4
Current State: 90:[93, 14, 85, 13], Operations: [] Exploring Operation: 14-13=1, Resulting Numbers: [93, 85, 1] Generated Node #0,0: 90:[93, 85, 1] Operation: 14-13=1 Exploring Operation: 93-85=8, Resulting Numbers: [14, 13, 8] Generated Node #0,1: 90:[14, 13, 8] Operation: 93-85=8 Exploring Operation: 85+13=98, Resulting Numbers: [93, 14, 98] Generated Node #0,2: 90:[93, 14, 98] Operation: 85+13=98 Exploring Operation: 14+13=27, Resulting Numbers: [93, 85, 27] Generated Node #0,3: 90:[93, 85, 27] Operation: 14+13=27 Moving to Node #0,1 Current State: 90:[14, 13, 8], Operations: ['93-85=8'] Exploring Operation: 14+13=27, Resulting Numbers: [8, 27] Generated Node #0,1,0: 90:[8, 27] Operation: 14+13=27 Exploring Operation: 14-13=1, Resulting Numbers: [8, 1] Generated Node #0,1,1: 90:[8, 1] Operation: 14-13=1 Exploring Operation: 14-8=6, Resulting Numbers: [13, 6] Generated Node #0,1,2: 90:[13, 6] Operation: 14-8=6 Exploring Operation: 13-8=5, Resulting Numbers: [14, 5] Generated Node #0,1,3: 90:[14, 5] Operation: 13-8=5 Moving to Node #0,0 Current State: 90:[93, 85, 1], Operations: ['14-13=1'] Exploring Operation: 93-85=8, Resulting Numbers: [1, 8] Generated Node #0,0,0: 90:[1, 8] Operation: 93-85=8 Exploring Operation: 85+1=86, Resulting Numbers: [93, 86] Generated Node #0,0,1: 90:[93, 86] Operation: 85+1=86 Exploring Operation: 93*1=93, Resulting Numbers: [85, 93] Generated Node #0,0,2: 90:[85, 93] Operation: 93*1=93 Exploring Operation: 93-1=92, Resulting Numbers: [85, 92] Generated Node #0,0,3: 90:[85, 92] Operation: 93-1=92 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 90:[1, 8], Operations: ['14-13=1', '93-85=8'] Exploring Operation: 1*8=8, Resulting Numbers: [8] 8,90 unequal: No Solution Exploring Operation: 1+8=9, Resulting Numbers: [9] 9,90 unequal: No Solution Exploring Operation: 8-1=7, Resulting Numbers: [7] 7,90 unequal: No Solution Exploring Operation: 8/1=8, Resulting Numbers: [8] 8,90 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:[93, 86], Operations: ['14-13=1', '85+1=86'] Exploring Operation: 93-86=7, Resulting Numbers: [7] 7,90 unequal: No Solution Exploring Operation: 93+86=179, Resulting Numbers: [179] 179,90 unequal: No Solution Exploring Operation: 93*86=7998, Resulting Numbers: [7998] 7998,90 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:[85, 92], Operations: ['14-13=1', '93-1=92'] Exploring Operation: 92-85=7, Resulting Numbers: [7] 7,90 unequal: No Solution Exploring Operation: 85+92=177, Resulting Numbers: [177] 177,90 unequal: No Solution Exploring Operation: 85*92=7820, Resulting Numbers: [7820] 7820,90 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:[85, 93], Operations: ['14-13=1', '93*1=93'] Exploring Operation: 85+93=178, Resulting Numbers: [178] 178,90 unequal: No Solution Exploring Operation: 93-85=8, Resulting Numbers: [8] 8,90 unequal: No Solution Exploring Operation: 85*93=7905, Resulting Numbers: [7905] 7905,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3 Current State: 90:[93, 85, 27], Operations: ['14+13=27'] Exploring Operation: 93-27=66, Resulting Numbers: [85, 66] Generated Node #0,3,0: 90:[85, 66] Operation: 93-27=66 Exploring Operation: 85+27=112, Resulting Numbers: [93, 112] Generated Node #0,3,1: 90:[93, 112] Operation: 85+27=112 Exploring Operation: 85-27=58, Resulting Numbers: [93, 58] Generated Node #0,3,2: 90:[93, 58] Operation: 85-27=58 Exploring Operation: 93-85=8, Resulting Numbers: [27, 8] Generated Node #0,3,3: 90:[27, 8] Operation: 93-85=8 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 90:[27, 8], Operations: ['14+13=27', '93-85=8'] Exploring Operation: 27+8=35, Resulting Numbers: [35] 35,90 unequal: No Solution Exploring Operation: 27*8=216, Resulting Numbers: [216] 216,90 unequal: No Solution Exploring Operation: 27-8=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 #0,3,2 Current State: 90:[93, 58], Operations: ['14+13=27', '85-27=58'] Exploring Operation: 93+58=151, Resulting Numbers: [151] 151,90 unequal: No Solution Exploring Operation: 93*58=5394, Resulting Numbers: [5394] 5394,90 unequal: No Solution Exploring Operation: 93-58=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 #0,3,1 Current State: 90:[93, 112], Operations: ['14+13=27', '85+27=112'] Exploring Operation: 93*112=10416, Resulting Numbers: [10416] 10416,90 unequal: No Solution Exploring Operation: 112-93=19, Resulting Numbers: [19] 19,90 unequal: No Solution Exploring Operation: 93+112=205, Resulting Numbers: [205] 205,90 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:[85, 66], Operations: ['14+13=27', '93-27=66'] Exploring Operation: 85*66=5610, Resulting Numbers: [5610] 5610,90 unequal: No Solution Exploring Operation: 85+66=151, Resulting Numbers: [151] 151,90 unequal: No Solution Exploring Operation: 85-66=19, Resulting Numbers: [19] 19,90 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:[93, 14, 98], Operations: ['85+13=98'] Exploring Operation: 98/14=7, Resulting Numbers: [93, 7] Generated Node #0,2,0: 90:[93, 7] Operation: 98/14=7 Exploring Operation: 98-93=5, Resulting Numbers: [14, 5] Generated Node #0,2,1: 90:[14, 5] Operation: 98-93=5 Exploring Operation: 93-14=79, Resulting Numbers: [98, 79] Generated Node #0,2,2: 90:[98, 79] Operation: 93-14=79 Exploring Operation: 98-14=84, Resulting Numbers: [93, 84] Generated Node #0,2,3: 90:[93, 84] Operation: 98-14=84 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 90:[14, 5], Operations: ['85+13=98', '98-93=5'] Exploring Operation: 14*5=70, Resulting Numbers: [70] 70,90 unequal: No Solution Exploring Operation: 14+5=19, Resulting Numbers: [19] 19,90 unequal: No Solution Exploring Operation: 14-5=9, Resulting Numbers: [9] 9,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 90:[93, 7], Operations: ['85+13=98', '98/14=7'] Exploring Operation: 93-7=86, Resulting Numbers: [86] 86,90 unequal: No Solution Exploring Operation: 93+7=100, Resulting Numbers: [100] 100,90 unequal: No Solution Exploring Operation: 93*7=651, Resulting Numbers: [651] 651,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 90:[93, 84], Operations: ['85+13=98', '98-14=84'] Exploring Operation: 93-84=9, Resulting Numbers: [9] 9,90 unequal: No Solution Exploring Operation: 93+84=177, Resulting Numbers: [177] 177,90 unequal: No Solution Exploring Operation: 93*84=7812, Resulting Numbers: [7812] 7812,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 90:[98, 79], Operations: ['85+13=98', '93-14=79'] Exploring Operation: 98-79=19, Resulting Numbers: [19] 19,90 unequal: No Solution Exploring Operation: 98+79=177, Resulting Numbers: [177] 177,90 unequal: No Solution Exploring Operation: 98*79=7742, Resulting Numbers: [7742] 7742,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1,3 Current State: 90:[14, 5], Operations: ['93-85=8', '13-8=5'] Exploring Operation: 14*5=70, Resulting Numbers: [70] 70,90 unequal: No Solution Exploring Operation: 14+5=19, Resulting Numbers: [19] 19,90 unequal: No Solution Exploring Operation: 14-5=9, Resulting Numbers: [9] 9,90 unequal: No Solution Moving to Node #0,1,2 Current State: 90:[13, 6], Operations: ['93-85=8', '14-8=6'] Exploring Operation: 13*6=78, Resulting Numbers: [78] 78,90 unequal: No Solution Exploring Operation: 13-6=7, Resulting Numbers: [7] 7,90 unequal: No Solution Exploring Operation: 13+6=19, Resulting Numbers: [19] 19,90 unequal: No Solution Moving to Node #0,1,1 Current State: 90:[8, 1], Operations: ['93-85=8', '14-13=1'] Exploring Operation: 8*1=8, Resulting Numbers: [8] 8,90 unequal: No Solution Exploring Operation: 8/1=8, Resulting Numbers: [8] 8,90 unequal: No Solution Exploring Operation: 8-1=7, Resulting Numbers: [7] 7,90 unequal: No Solution Exploring Operation: 8+1=9, Resulting Numbers: [9] 9,90 unequal: No Solution Moving to Node #0,1,0 Current State: 90:[8, 27], Operations: ['93-85=8', '14+13=27'] Exploring Operation: 8*27=216, Resulting Numbers: [216] 216,90 unequal: No Solution Exploring Operation: 27-8=19, Resulting Numbers: [19] 19,90 unequal: No Solution Exploring Operation: 8+27=35, Resulting Numbers: [35] 35,90 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 33, 2, 5, 34 ]
27
[ "33+2=35", "35/5=7", "34-7=27" ]
Current State: 27:[33, 2, 5, 34], Operations: [] Exploring Operation: 33+2=35, Resulting Numbers: [5, 34, 35] Generated Node #2: [5, 34, 35] from Operation: 33+2=35 Current State: 27:[5, 34, 35], Operations: ['33+2=35'] Exploring Operation: 35/5=7, Resulting Numbers: [34, 7] Generated Node #3: [34, 7] from Operation: 35/5=7 Current State: 27:[34, 7], Operations: ['33+2=35', '35/5=7'] Exploring Operation: 34-7=27, Resulting Numbers: [27] 27,27 equal: Goal Reached
4
Current State: 27:[33, 2, 5, 34], Operations: [] Exploring Operation: 34-33=1, Resulting Numbers: [2, 5, 1] Generated Node #0,0: 27:[2, 5, 1] Operation: 34-33=1 Exploring Operation: 34-5=29, Resulting Numbers: [33, 2, 29] Generated Node #0,1: 27:[33, 2, 29] Operation: 34-5=29 Exploring Operation: 33-5=28, Resulting Numbers: [2, 34, 28] Generated Node #0,2: 27:[2, 34, 28] Operation: 33-5=28 Start Sub Search at level 1: Moving to Node #0,0 Current State: 27:[2, 5, 1], Operations: ['34-33=1'] Exploring Operation: 2+1=3, Resulting Numbers: [5, 3] Generated Node #0,0,0: 27:[5, 3] Operation: 2+1=3 Exploring Operation: 5-2=3, Resulting Numbers: [1, 3] Generated Node #0,0,1: 27:[1, 3] Operation: 5-2=3 Exploring Operation: 5-1=4, Resulting Numbers: [2, 4] Generated Node #0,0,2: 27:[2, 4] Operation: 5-1=4 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 27:[5, 3], Operations: ['34-33=1', '2+1=3'] Exploring Operation: 5*3=15, Resulting Numbers: [15] 15,27 unequal: No Solution Exploring Operation: 5+3=8, Resulting Numbers: [8] 8,27 unequal: No Solution Exploring Operation: 5-3=2, Resulting Numbers: [2] 2,27 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 27:[1, 3], Operations: ['34-33=1', '5-2=3'] Exploring Operation: 1*3=3, Resulting Numbers: [3] 3,27 unequal: No Solution Exploring Operation: 3/1=3, Resulting Numbers: [3] 3,27 unequal: No Solution Exploring Operation: 1+3=4, Resulting Numbers: [4] 4,27 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 27:[2, 4], Operations: ['34-33=1', '5-1=4'] Exploring Operation: 2*4=8, Resulting Numbers: [8] 8,27 unequal: No Solution Exploring Operation: 4/2=2, Resulting Numbers: [2] 2,27 unequal: No Solution Exploring Operation: 4-2=2, Resulting Numbers: [2] 2,27 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:[33, 2, 29], Operations: ['34-5=29'] Exploring Operation: 33-29=4, Resulting Numbers: [2, 4] Generated Node #0,1,0: 27:[2, 4] Operation: 33-29=4 Exploring Operation: 33-2=31, Resulting Numbers: [29, 31] Generated Node #0,1,1: 27:[29, 31] Operation: 33-2=31 Exploring Operation: 29-2=27, Resulting Numbers: [33, 27] Generated Node #0,1,2: 27:[33, 27] Operation: 29-2=27 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 27:[2, 4], Operations: ['34-5=29', '33-29=4'] Exploring Operation: 4/2=2, Resulting Numbers: [2] 2,27 unequal: No Solution Exploring Operation: 2*4=8, Resulting Numbers: [8] 8,27 unequal: No Solution Exploring Operation: 4-2=2, Resulting Numbers: [2] 2,27 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:[29, 31], Operations: ['34-5=29', '33-2=31'] Exploring Operation: 29*31=899, Resulting Numbers: [899] 899,27 unequal: No Solution Exploring Operation: 31-29=2, Resulting Numbers: [2] 2,27 unequal: No Solution Exploring Operation: 29+31=60, Resulting Numbers: [60] 60,27 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:[33, 27], Operations: ['34-5=29', '29-2=27'] Exploring Operation: 33*27=891, Resulting Numbers: [891] 891,27 unequal: No Solution Exploring Operation: 33-27=6, Resulting Numbers: [6] 6,27 unequal: No Solution Exploring Operation: 33+27=60, Resulting Numbers: [60] 60,27 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:[2, 34, 28], Operations: ['33-5=28'] Exploring Operation: 34-28=6, Resulting Numbers: [2, 6] Generated Node #0,2,0: 27:[2, 6] Operation: 34-28=6 Exploring Operation: 34-2=32, Resulting Numbers: [28, 32] Generated Node #0,2,1: 27:[28, 32] Operation: 34-2=32 Exploring Operation: 28-2=26, Resulting Numbers: [34, 26] Generated Node #0,2,2: 27:[34, 26] Operation: 28-2=26 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 27:[2, 6], Operations: ['33-5=28', '34-28=6'] Exploring Operation: 6-2=4, Resulting Numbers: [4] 4,27 unequal: No Solution Exploring Operation: 2+6=8, Resulting Numbers: [8] 8,27 unequal: No Solution Exploring Operation: 6/2=3, Resulting Numbers: [3] 3,27 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:[28, 32], Operations: ['33-5=28', '34-2=32'] Exploring Operation: 32-28=4, Resulting Numbers: [4] 4,27 unequal: No Solution Exploring Operation: 28*32=896, Resulting Numbers: [896] 896,27 unequal: No Solution Exploring Operation: 28+32=60, Resulting Numbers: [60] 60,27 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 #0,2,2 Current State: 27:[34, 26], Operations: ['33-5=28', '28-2=26'] Exploring Operation: 34-26=8, Resulting Numbers: [8] 8,27 unequal: No Solution Exploring Operation: 34*26=884, Resulting Numbers: [884] 884,27 unequal: No Solution Exploring Operation: 34+26=60, Resulting Numbers: [60] 60,27 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 No solution found.
0
hs_3
sum_heuristic
[ 98, 36, 51, 17 ]
28
[ "98-36=62", "51-17=34", "62-34=28" ]
Current State: 28:[98, 36, 51, 17], Operations: [] Exploring Operation: 98-36=62, Resulting Numbers: [51, 17, 62] Generated Node #2: [51, 17, 62] from Operation: 98-36=62 Current State: 28:[51, 17, 62], Operations: ['98-36=62'] Exploring Operation: 51-17=34, Resulting Numbers: [62, 34] Generated Node #3: [62, 34] from Operation: 51-17=34 Current State: 28:[62, 34], Operations: ['98-36=62', '51-17=34'] Exploring Operation: 62-34=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
4
Current State: 28:[98, 36, 51, 17], Operations: [] Exploring Operation: 98-36=62, Resulting Numbers: [51, 17, 62] Generated Node #0,0: 28:[51, 17, 62] Operation: 98-36=62 Exploring Operation: 51-36=15, Resulting Numbers: [98, 17, 15] Generated Node #0,1: 28:[98, 17, 15] Operation: 51-36=15 Exploring Operation: 98-51=47, Resulting Numbers: [36, 17, 47] Generated Node #0,2: 28:[36, 17, 47] Operation: 98-51=47 Start Sub Search at level 1: Moving to Node #0,2 Current State: 28:[36, 17, 47], Operations: ['98-51=47'] Exploring Operation: 47-36=11, Resulting Numbers: [17, 11] Generated Node #0,2,0: 28:[17, 11] Operation: 47-36=11 Exploring Operation: 36-17=19, Resulting Numbers: [47, 19] Generated Node #0,2,1: 28:[47, 19] Operation: 36-17=19 Exploring Operation: 47-17=30, Resulting Numbers: [36, 30] Generated Node #0,2,2: 28:[36, 30] Operation: 47-17=30 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 28:[17, 11], Operations: ['98-51=47', '47-36=11'] Exploring Operation: 17+11=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Moving to Node #0 Current State: 28:[98, 36, 51, 17], Operations: [] Exploring Operation: 98-51=47, Resulting Numbers: [36, 17, 47] Generated Node #0,2: 28:[36, 17, 47] Operation: 98-51=47 Moving to Node #0,2 Current State: 28:[36, 17, 47], Operations: ['98-51=47'] Exploring Operation: 47-36=11, Resulting Numbers: [17, 11] Generated Node #0,2,0: 28:[17, 11] Operation: 47-36=11 Moving to Node #0,2,0 Current State: 28:[17, 11], Operations: ['98-51=47', '47-36=11'] Exploring Operation: 17+11=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.990451
hs_3
mult_heuristic
[ 20, 46, 51, 42 ]
17
[ "46-20=26", "51-42=9", "26-9=17" ]
Current State: 17:[20, 46, 51, 42], Operations: [] Exploring Operation: 46-20=26, Resulting Numbers: [51, 42, 26] Generated Node #2: [51, 42, 26] from Operation: 46-20=26 Current State: 17:[51, 42, 26], Operations: ['46-20=26'] Exploring Operation: 51-42=9, Resulting Numbers: [26, 9] Generated Node #3: [26, 9] from Operation: 51-42=9 Current State: 17:[26, 9], Operations: ['46-20=26', '51-42=9'] Exploring Operation: 26-9=17, Resulting Numbers: [17] 17,17 equal: Goal Reached
4
Current State: 17:[20, 46, 51, 42], Operations: [] Exploring Operation: 51-46=5, Resulting Numbers: [20, 42, 5] Generated Node #0,0: 17:[20, 42, 5] Operation: 51-46=5 Exploring Operation: 46-42=4, Resulting Numbers: [20, 51, 4] Generated Node #0,1: 17:[20, 51, 4] Operation: 46-42=4 Exploring Operation: 46-20=26, Resulting Numbers: [51, 42, 26] Generated Node #0,2: 17:[51, 42, 26] Operation: 46-20=26 Exploring Operation: 51-42=9, Resulting Numbers: [20, 46, 9] Generated Node #0,3: 17:[20, 46, 9] Operation: 51-42=9 Start Sub Search at level 1: Moving to Node #0,0 Current State: 17:[20, 42, 5], Operations: ['51-46=5'] Exploring Operation: 20-5=15, Resulting Numbers: [42, 15] Generated Node #0,0,0: 17:[42, 15] Operation: 20-5=15 Exploring Operation: 20+5=25, Resulting Numbers: [42, 25] Generated Node #0,0,1: 17:[42, 25] Operation: 20+5=25 Exploring Operation: 42-5=37, Resulting Numbers: [20, 37] Generated Node #0,0,2: 17:[20, 37] Operation: 42-5=37 Exploring Operation: 42-20=22, Resulting Numbers: [5, 22] Generated Node #0,0,3: 17:[5, 22] Operation: 42-20=22 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 17:[5, 22], Operations: ['51-46=5', '42-20=22'] Exploring Operation: 5+22=27, Resulting Numbers: [27] 27,17 unequal: No Solution Exploring Operation: 22-5=17, Resulting Numbers: [17] 17,17 equal: Goal Reached Moving to Node #0 Current State: 17:[20, 46, 51, 42], Operations: [] Exploring Operation: 51-46=5, Resulting Numbers: [20, 42, 5] Generated Node #0,0: 17:[20, 42, 5] Operation: 51-46=5 Moving to Node #0,0 Current State: 17:[20, 42, 5], Operations: ['51-46=5'] Exploring Operation: 42-20=22, Resulting Numbers: [5, 22] Generated Node #0,0,3: 17:[5, 22] Operation: 42-20=22 Moving to Node #0,0,3 Current State: 17:[5, 22], Operations: ['51-46=5', '42-20=22'] Exploring Operation: 22-5=17, Resulting Numbers: [17] 17,17 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.987847
hs_4
mult_heuristic
[ 32, 66, 74, 79 ]
29
[ "66-32=34", "79-74=5", "34-5=29" ]
Current State: 29:[32, 66, 74, 79], Operations: [] Exploring Operation: 66-32=34, Resulting Numbers: [74, 79, 34] Generated Node #2: [74, 79, 34] from Operation: 66-32=34 Current State: 29:[74, 79, 34], Operations: ['66-32=34'] Exploring Operation: 79-74=5, Resulting Numbers: [34, 5] Generated Node #3: [34, 5] from Operation: 79-74=5 Current State: 29:[34, 5], Operations: ['66-32=34', '79-74=5'] Exploring Operation: 34-5=29, Resulting Numbers: [29] 29,29 equal: Goal Reached
4
Current State: 29:[32, 66, 74, 79], Operations: [] Exploring Operation: 79-66=13, Resulting Numbers: [32, 74, 13] Generated Node #0,0: 29:[32, 74, 13] Operation: 79-66=13 Moving to Node #0,0 Current State: 29:[32, 74, 13], Operations: ['79-66=13'] Exploring Operation: 74-32=42, Resulting Numbers: [13, 42] Generated Node #0,0,0: 29:[13, 42] Operation: 74-32=42 Moving to Node #0,0,0 Current State: 29:[13, 42], Operations: ['79-66=13', '74-32=42'] Exploring Operation: 42-13=29, Resulting Numbers: [29] 29,29 equal: Goal Reached Moving to Node #0 Current State: 29:[32, 66, 74, 79], Operations: [] Exploring Operation: 79-66=13, Resulting Numbers: [32, 74, 13] Generated Node #0,0: 29:[32, 74, 13] Operation: 79-66=13 Moving to Node #0,0 Current State: 29:[32, 74, 13], Operations: ['79-66=13'] Exploring Operation: 74-32=42, Resulting Numbers: [13, 42] Generated Node #0,0,0: 29:[13, 42] Operation: 74-32=42 Moving to Node #0,0,0 Current State: 29:[13, 42], Operations: ['79-66=13', '74-32=42'] Exploring Operation: 42-13=29, Resulting Numbers: [29] 29,29 equal: Goal Reached
0.993924
hs_1
mult_heuristic
[ 68, 35, 36, 52 ]
33
[ "68+36=104", "104/52=2", "35-2=33" ]
Current State: 33:[68, 35, 36, 52], Operations: [] Exploring Operation: 68+36=104, Resulting Numbers: [35, 52, 104] Generated Node #2: [35, 52, 104] from Operation: 68+36=104 Current State: 33:[35, 52, 104], Operations: ['68+36=104'] Exploring Operation: 104/52=2, Resulting Numbers: [35, 2] Generated Node #3: [35, 2] from Operation: 104/52=2 Current State: 33:[35, 2], Operations: ['68+36=104', '104/52=2'] Exploring Operation: 35-2=33, Resulting Numbers: [33] 33,33 equal: Goal Reached
4
Current State: 33:[68, 35, 36, 52], Operations: [] Exploring Operation: 68-36=32, Resulting Numbers: [35, 52, 32] Generated Node #0,0: 33:[35, 52, 32] Operation: 68-36=32 Exploring Operation: 68-35=33, Resulting Numbers: [36, 52, 33] Generated Node #0,1: 33:[36, 52, 33] Operation: 68-35=33 Exploring Operation: 52-35=17, Resulting Numbers: [68, 36, 17] Generated Node #0,2: 33:[68, 36, 17] Operation: 52-35=17 Exploring Operation: 68-52=16, Resulting Numbers: [35, 36, 16] Generated Node #0,3: 33:[35, 36, 16] Operation: 68-52=16 Exploring Operation: 52-36=16, Resulting Numbers: [68, 35, 16] Generated Node #0,4: 33:[68, 35, 16] Operation: 52-36=16 Start Sub Search at level 1: Moving to Node #0,3 Current State: 33:[35, 36, 16], Operations: ['68-52=16'] Exploring Operation: 36+16=52, Resulting Numbers: [35, 52] Generated Node #0,3,0: 33:[35, 52] Operation: 36+16=52 Exploring Operation: 36-16=20, Resulting Numbers: [35, 20] Generated Node #0,3,1: 33:[35, 20] Operation: 36-16=20 Exploring Operation: 35+16=51, Resulting Numbers: [36, 51] Generated Node #0,3,2: 33:[36, 51] Operation: 35+16=51 Exploring Operation: 36-35=1, Resulting Numbers: [16, 1] Generated Node #0,3,3: 33:[16, 1] Operation: 36-35=1 Exploring Operation: 35-16=19, Resulting Numbers: [36, 19] Generated Node #0,3,4: 33:[36, 19] Operation: 35-16=19 Moving to Node #0,3,3 Current State: 33:[16, 1], Operations: ['68-52=16', '36-35=1'] Exploring Operation: 16*1=16, Resulting Numbers: [16] 16,33 unequal: No Solution Exploring Operation: 16-1=15, Resulting Numbers: [15] 15,33 unequal: No Solution Exploring Operation: 16+1=17, Resulting Numbers: [17] 17,33 unequal: No Solution Exploring Operation: 16/1=16, Resulting Numbers: [16] 16,33 unequal: No Solution Moving to Node #0,3,4 Current State: 33:[36, 19], Operations: ['68-52=16', '35-16=19'] Exploring Operation: 36*19=684, Resulting Numbers: [684] 684,33 unequal: No Solution Exploring Operation: 36-19=17, Resulting Numbers: [17] 17,33 unequal: No Solution Exploring Operation: 36+19=55, Resulting Numbers: [55] 55,33 unequal: No Solution Moving to Node #0,3,1 Current State: 33:[35, 20], Operations: ['68-52=16', '36-16=20'] Exploring Operation: 35*20=700, Resulting Numbers: [700] 700,33 unequal: No Solution Exploring Operation: 35+20=55, Resulting Numbers: [55] 55,33 unequal: No Solution Exploring Operation: 35-20=15, Resulting Numbers: [15] 15,33 unequal: No Solution Moving to Node #0,3,0 Current State: 33:[35, 52], Operations: ['68-52=16', '36+16=52'] Exploring Operation: 35*52=1820, Resulting Numbers: [1820] 1820,33 unequal: No Solution Exploring Operation: 52-35=17, Resulting Numbers: [17] 17,33 unequal: No Solution Exploring Operation: 35+52=87, Resulting Numbers: [87] 87,33 unequal: No Solution Moving to Node #0,3,2 Current State: 33:[36, 51], Operations: ['68-52=16', '35+16=51'] Exploring Operation: 36+51=87, Resulting Numbers: [87] 87,33 unequal: No Solution Exploring Operation: 36*51=1836, Resulting Numbers: [1836] 1836,33 unequal: No Solution Exploring Operation: 51-36=15, Resulting Numbers: [15] 15,33 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 33:[35, 52, 32], Operations: ['68-36=32'] Exploring Operation: 52+32=84, Resulting Numbers: [35, 84] Generated Node #0,0,0: 33:[35, 84] Operation: 52+32=84 Exploring Operation: 52-32=20, Resulting Numbers: [35, 20] Generated Node #0,0,1: 33:[35, 20] Operation: 52-32=20 Exploring Operation: 35-32=3, Resulting Numbers: [52, 3] Generated Node #0,0,2: 33:[52, 3] Operation: 35-32=3 Exploring Operation: 35+32=67, Resulting Numbers: [52, 67] Generated Node #0,0,3: 33:[52, 67] Operation: 35+32=67 Exploring Operation: 52-35=17, Resulting Numbers: [32, 17] Generated Node #0,0,4: 33:[32, 17] Operation: 52-35=17 Moving to Node #0,0,4 Current State: 33:[32, 17], Operations: ['68-36=32', '52-35=17'] Exploring Operation: 32+17=49, Resulting Numbers: [49] 49,33 unequal: No Solution Exploring Operation: 32*17=544, Resulting Numbers: [544] 544,33 unequal: No Solution Exploring Operation: 32-17=15, Resulting Numbers: [15] 15,33 unequal: No Solution Moving to Node #0,0,1 Current State: 33:[35, 20], Operations: ['68-36=32', '52-32=20'] Exploring Operation: 35*20=700, Resulting Numbers: [700] 700,33 unequal: No Solution Exploring Operation: 35-20=15, Resulting Numbers: [15] 15,33 unequal: No Solution Exploring Operation: 35+20=55, Resulting Numbers: [55] 55,33 unequal: No Solution Moving to Node #0,0,2 Current State: 33:[52, 3], Operations: ['68-36=32', '35-32=3'] Exploring Operation: 52*3=156, Resulting Numbers: [156] 156,33 unequal: No Solution Exploring Operation: 52+3=55, Resulting Numbers: [55] 55,33 unequal: No Solution Exploring Operation: 52-3=49, Resulting Numbers: [49] 49,33 unequal: No Solution Moving to Node #0,0,0 Current State: 33:[35, 84], Operations: ['68-36=32', '52+32=84'] Exploring Operation: 84-35=49, Resulting Numbers: [49] 49,33 unequal: No Solution Exploring Operation: 35+84=119, Resulting Numbers: [119] 119,33 unequal: No Solution Exploring Operation: 35*84=2940, Resulting Numbers: [2940] 2940,33 unequal: No Solution Moving to Node #0,0,3 Current State: 33:[52, 67], Operations: ['68-36=32', '35+32=67'] Exploring Operation: 52+67=119, Resulting Numbers: [119] 119,33 unequal: No Solution Exploring Operation: 67-52=15, Resulting Numbers: [15] 15,33 unequal: No Solution Exploring Operation: 52*67=3484, Resulting Numbers: [3484] 3484,33 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 33:[36, 52, 33], Operations: ['68-35=33'] Exploring Operation: 52-36=16, Resulting Numbers: [33, 16] Generated Node #0,1,0: 33:[33, 16] Operation: 52-36=16 Exploring Operation: 36+33=69, Resulting Numbers: [52, 69] Generated Node #0,1,1: 33:[52, 69] Operation: 36+33=69 Exploring Operation: 36+52=88, Resulting Numbers: [33, 88] Generated Node #0,1,2: 33:[33, 88] Operation: 36+52=88 Exploring Operation: 52-33=19, Resulting Numbers: [36, 19] Generated Node #0,1,3: 33:[36, 19] Operation: 52-33=19 Exploring Operation: 36-33=3, Resulting Numbers: [52, 3] Generated Node #0,1,4: 33:[52, 3] Operation: 36-33=3 Moving to Node #0,1,0 Current State: 33:[33, 16], Operations: ['68-35=33', '52-36=16'] Exploring Operation: 33+16=49, Resulting Numbers: [49] 49,33 unequal: No Solution Exploring Operation: 33*16=528, Resulting Numbers: [528] 528,33 unequal: No Solution Exploring Operation: 33-16=17, Resulting Numbers: [17] 17,33 unequal: No Solution Moving to Node #0,1,3 Current State: 33:[36, 19], Operations: ['68-35=33', '52-33=19'] Exploring Operation: 36*19=684, Resulting Numbers: [684] 684,33 unequal: No Solution Exploring Operation: 36-19=17, Resulting Numbers: [17] 17,33 unequal: No Solution Exploring Operation: 36+19=55, Resulting Numbers: [55] 55,33 unequal: No Solution Moving to Node #0,1,4 Current State: 33:[52, 3], Operations: ['68-35=33', '36-33=3'] Exploring Operation: 52-3=49, Resulting Numbers: [49] 49,33 unequal: No Solution Exploring Operation: 52*3=156, Resulting Numbers: [156] 156,33 unequal: No Solution Exploring Operation: 52+3=55, Resulting Numbers: [55] 55,33 unequal: No Solution Moving to Node #0,1,1 Current State: 33:[52, 69], Operations: ['68-35=33', '36+33=69'] Exploring Operation: 52+69=121, Resulting Numbers: [121] 121,33 unequal: No Solution Exploring Operation: 52*69=3588, Resulting Numbers: [3588] 3588,33 unequal: No Solution Exploring Operation: 69-52=17, Resulting Numbers: [17] 17,33 unequal: No Solution Moving to Node #0,1,2 Current State: 33:[33, 88], Operations: ['68-35=33', '36+52=88'] Exploring Operation: 33+88=121, Resulting Numbers: [121] 121,33 unequal: No Solution Exploring Operation: 88-33=55, Resulting Numbers: [55] 55,33 unequal: No Solution Exploring Operation: 33*88=2904, Resulting Numbers: [2904] 2904,33 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 33:[68, 35, 16], Operations: ['52-36=16'] Exploring Operation: 68-35=33, Resulting Numbers: [16, 33] Generated Node #0,4,0: 33:[16, 33] Operation: 68-35=33 Exploring Operation: 35+16=51, Resulting Numbers: [68, 51] Generated Node #0,4,1: 33:[68, 51] Operation: 35+16=51 Exploring Operation: 68-16=52, Resulting Numbers: [35, 52] Generated Node #0,4,2: 33:[35, 52] Operation: 68-16=52 Exploring Operation: 68+16=84, Resulting Numbers: [35, 84] Generated Node #0,4,3: 33:[35, 84] Operation: 68+16=84 Exploring Operation: 35-16=19, Resulting Numbers: [68, 19] Generated Node #0,4,4: 33:[68, 19] Operation: 35-16=19 Moving to Node #0,4,0 Current State: 33:[16, 33], Operations: ['52-36=16', '68-35=33'] Exploring Operation: 33-16=17, Resulting Numbers: [17] 17,33 unequal: No Solution Exploring Operation: 16*33=528, Resulting Numbers: [528] 528,33 unequal: No Solution Exploring Operation: 16+33=49, Resulting Numbers: [49] 49,33 unequal: No Solution Moving to Node #0,4,2 Current State: 33:[35, 52], Operations: ['52-36=16', '68-16=52'] Exploring Operation: 35+52=87, Resulting Numbers: [87] 87,33 unequal: No Solution Exploring Operation: 52-35=17, Resulting Numbers: [17] 17,33 unequal: No Solution Exploring Operation: 35*52=1820, Resulting Numbers: [1820] 1820,33 unequal: No Solution Moving to Node #0,4,4 Current State: 33:[68, 19], Operations: ['52-36=16', '35-16=19'] Exploring Operation: 68+19=87, Resulting Numbers: [87] 87,33 unequal: No Solution Exploring Operation: 68-19=49, Resulting Numbers: [49] 49,33 unequal: No Solution Exploring Operation: 68*19=1292, Resulting Numbers: [1292] 1292,33 unequal: No Solution Moving to Node #0,4,1 Current State: 33:[68, 51], Operations: ['52-36=16', '35+16=51'] Exploring Operation: 68-51=17, Resulting Numbers: [17] 17,33 unequal: No Solution Exploring Operation: 68+51=119, Resulting Numbers: [119] 119,33 unequal: No Solution Exploring Operation: 68*51=3468, Resulting Numbers: [3468] 3468,33 unequal: No Solution Moving to Node #0,4,3 Current State: 33:[35, 84], Operations: ['52-36=16', '68+16=84'] Exploring Operation: 35+84=119, Resulting Numbers: [119] 119,33 unequal: No Solution Exploring Operation: 35*84=2940, Resulting Numbers: [2940] 2940,33 unequal: No Solution Exploring Operation: 84-35=49, Resulting Numbers: [49] 49,33 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 33:[68, 36, 17], Operations: ['52-35=17'] Exploring Operation: 68-17=51, Resulting Numbers: [36, 51] Generated Node #0,2,0: 33:[36, 51] Operation: 68-17=51 Exploring Operation: 68-36=32, Resulting Numbers: [17, 32] Generated Node #0,2,1: 33:[17, 32] Operation: 68-36=32 Exploring Operation: 68/17=4, Resulting Numbers: [36, 4] Generated Node #0,2,2: 33:[36, 4] Operation: 68/17=4 Exploring Operation: 68+17=85, Resulting Numbers: [36, 85] Generated Node #0,2,3: 33:[36, 85] Operation: 68+17=85 Exploring Operation: 36-17=19, Resulting Numbers: [68, 19] Generated Node #0,2,4: 33:[68, 19] Operation: 36-17=19 Moving to Node #0,2,2 Current State: 33:[36, 4], Operations: ['52-35=17', '68/17=4'] Exploring Operation: 36+4=40, Resulting Numbers: [40] 40,33 unequal: No Solution Exploring Operation: 36/4=9, Resulting Numbers: [9] 9,33 unequal: No Solution Exploring Operation: 36*4=144, Resulting Numbers: [144] 144,33 unequal: No Solution Exploring Operation: 36-4=32, Resulting Numbers: [32] 32,33 unequal: No Solution Moving to Node #0,2,1 Current State: 33:[17, 32], Operations: ['52-35=17', '68-36=32'] Exploring Operation: 32-17=15, Resulting Numbers: [15] 15,33 unequal: No Solution Exploring Operation: 17+32=49, Resulting Numbers: [49] 49,33 unequal: No Solution Exploring Operation: 17*32=544, Resulting Numbers: [544] 544,33 unequal: No Solution Moving to Node #0,2,0 Current State: 33:[36, 51], Operations: ['52-35=17', '68-17=51'] Exploring Operation: 36*51=1836, Resulting Numbers: [1836] 1836,33 unequal: No Solution Exploring Operation: 36+51=87, Resulting Numbers: [87] 87,33 unequal: No Solution Exploring Operation: 51-36=15, Resulting Numbers: [15] 15,33 unequal: No Solution Moving to Node #0,2,4 Current State: 33:[68, 19], Operations: ['52-35=17', '36-17=19'] Exploring Operation: 68-19=49, Resulting Numbers: [49] 49,33 unequal: No Solution Exploring Operation: 68+19=87, Resulting Numbers: [87] 87,33 unequal: No Solution Exploring Operation: 68*19=1292, Resulting Numbers: [1292] 1292,33 unequal: No Solution Moving to Node #0,2,3 Current State: 33:[36, 85], Operations: ['52-35=17', '68+17=85'] Exploring Operation: 36+85=121, Resulting Numbers: [121] 121,33 unequal: No Solution Exploring Operation: 85-36=49, Resulting Numbers: [49] 49,33 unequal: No Solution Exploring Operation: 36*85=3060, Resulting Numbers: [3060] 3060,33 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
[ 77, 48, 40, 85 ]
43
[ "85-77=8", "40/8=5", "48-5=43" ]
Current State: 43:[77, 48, 40, 85], Operations: [] Exploring Operation: 85-77=8, Resulting Numbers: [48, 40, 8] Generated Node #2: [48, 40, 8] from Operation: 85-77=8 Current State: 43:[48, 40, 8], Operations: ['85-77=8'] Exploring Operation: 40/8=5, Resulting Numbers: [48, 5] Generated Node #3: [48, 5] from Operation: 40/8=5 Current State: 43:[48, 5], Operations: ['85-77=8', '40/8=5'] Exploring Operation: 48-5=43, Resulting Numbers: [43] 43,43 equal: Goal Reached
4
Current State: 43:[77, 48, 40, 85], Operations: [] Exploring Operation: 85-48=37, Resulting Numbers: [77, 40, 37] Generated Node #0,0: 43:[77, 40, 37] Operation: 85-48=37 Exploring Operation: 85-77=8, Resulting Numbers: [48, 40, 8] Generated Node #0,1: 43:[48, 40, 8] Operation: 85-77=8 Exploring Operation: 85-40=45, Resulting Numbers: [77, 48, 45] Generated Node #0,2: 43:[77, 48, 45] Operation: 85-40=45 Start Sub Search at level 1: Moving to Node #0,2 Current State: 43:[77, 48, 45], Operations: ['85-40=45'] Exploring Operation: 77-45=32, Resulting Numbers: [48, 32] Generated Node #0,2,0: 43:[48, 32] Operation: 77-45=32 Exploring Operation: 48-45=3, Resulting Numbers: [77, 3] Generated Node #0,2,1: 43:[77, 3] Operation: 48-45=3 Exploring Operation: 77-48=29, Resulting Numbers: [45, 29] Generated Node #0,2,2: 43:[45, 29] Operation: 77-48=29 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 43:[48, 32], Operations: ['85-40=45', '77-45=32'] Exploring Operation: 48+32=80, Resulting Numbers: [80] 80,43 unequal: No Solution Exploring Operation: 48-32=16, Resulting Numbers: [16] 16,43 unequal: No Solution Exploring Operation: 48*32=1536, Resulting Numbers: [1536] 1536,43 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:[45, 29], Operations: ['85-40=45', '77-48=29'] Exploring Operation: 45-29=16, Resulting Numbers: [16] 16,43 unequal: No Solution Exploring Operation: 45*29=1305, Resulting Numbers: [1305] 1305,43 unequal: No Solution Exploring Operation: 45+29=74, Resulting Numbers: [74] 74,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 43:[77, 3], Operations: ['85-40=45', '48-45=3'] Exploring Operation: 77+3=80, Resulting Numbers: [80] 80,43 unequal: No Solution Exploring Operation: 77-3=74, Resulting Numbers: [74] 74,43 unequal: No Solution Exploring Operation: 77*3=231, Resulting Numbers: [231] 231,43 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 #0,0 Current State: 43:[77, 40, 37], Operations: ['85-48=37'] Exploring Operation: 77-40=37, Resulting Numbers: [37, 37] Generated Node #0,0,0: 43:[37, 37] Operation: 77-40=37 Exploring Operation: 77-37=40, Resulting Numbers: [40, 40] Generated Node #0,0,1: 43:[40, 40] Operation: 77-37=40 Exploring Operation: 40+37=77, Resulting Numbers: [77, 77] Generated Node #0,0,2: 43:[77, 77] Operation: 40+37=77 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 43:[40, 40], Operations: ['85-48=37', '77-37=40'] Exploring Operation: 40-40=0, Resulting Numbers: [0] 0,43 unequal: No Solution Exploring Operation: 40+40=80, Resulting Numbers: [80] 80,43 unequal: No Solution Exploring Operation: 40/40=1, Resulting Numbers: [1] 1,43 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 #0,0,0 Current State: 43:[37, 37], Operations: ['85-48=37', '77-40=37'] Exploring Operation: 37/37=1, Resulting Numbers: [1] 1,43 unequal: No Solution Exploring Operation: 37+37=74, Resulting Numbers: [74] 74,43 unequal: No Solution Exploring Operation: 37-37=0, Resulting Numbers: [0] 0,43 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:[77, 77], Operations: ['85-48=37', '40+37=77'] Exploring Operation: 77-77=0, Resulting Numbers: [0] 0,43 unequal: No Solution Exploring Operation: 77/77=1, Resulting Numbers: [1] 1,43 unequal: No Solution Exploring Operation: 77+77=154, Resulting Numbers: [154] 154,43 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:[48, 40, 8], Operations: ['85-77=8'] Exploring Operation: 40+8=48, Resulting Numbers: [48, 48] Generated Node #0,1,0: 43:[48, 48] Operation: 40+8=48 Exploring Operation: 48+8=56, Resulting Numbers: [40, 56] Generated Node #0,1,1: 43:[40, 56] Operation: 48+8=56 Exploring Operation: 48-8=40, Resulting Numbers: [40, 40] Generated Node #0,1,2: 43:[40, 40] Operation: 48-8=40 Moving to Node #0,1,2 Current State: 43:[40, 40], Operations: ['85-77=8', '48-8=40'] Exploring Operation: 40+40=80, Resulting Numbers: [80] 80,43 unequal: No Solution Exploring Operation: 40/40=1, Resulting Numbers: [1] 1,43 unequal: No Solution Exploring Operation: 40-40=0, Resulting Numbers: [0] 0,43 unequal: No Solution Moving to Node #0,1,0 Current State: 43:[48, 48], Operations: ['85-77=8', '40+8=48'] Exploring Operation: 48-48=0, Resulting Numbers: [0] 0,43 unequal: No Solution Exploring Operation: 48+48=96, Resulting Numbers: [96] 96,43 unequal: No Solution Exploring Operation: 48/48=1, Resulting Numbers: [1] 1,43 unequal: No Solution Moving to Node #0,1,1 Current State: 43:[40, 56], Operations: ['85-77=8', '48+8=56'] Exploring Operation: 40+56=96, Resulting Numbers: [96] 96,43 unequal: No Solution Exploring Operation: 40*56=2240, Resulting Numbers: [2240] 2240,43 unequal: No Solution Exploring Operation: 56-40=16, Resulting Numbers: [16] 16,43 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
[ 58, 40, 43, 80 ]
73
[ "58*80=4640", "4640/40=116", "116-43=73" ]
Current State: 73:[58, 40, 43, 80], Operations: [] Exploring Operation: 58*80=4640, Resulting Numbers: [40, 43, 4640] Generated Node #2: [40, 43, 4640] from Operation: 58*80=4640 Current State: 73:[40, 43, 4640], Operations: ['58*80=4640'] Exploring Operation: 4640/40=116, Resulting Numbers: [43, 116] Generated Node #3: [43, 116] from Operation: 4640/40=116 Current State: 73:[43, 116], Operations: ['58*80=4640', '4640/40=116'] Exploring Operation: 116-43=73, Resulting Numbers: [73] 73,73 equal: Goal Reached
4
Current State: 73:[58, 40, 43, 80], Operations: [] Exploring Operation: 80-43=37, Resulting Numbers: [58, 40, 37] Generated Node #0,0: 73:[58, 40, 37] Operation: 80-43=37 Exploring Operation: 80-40=40, Resulting Numbers: [58, 43, 40] Generated Node #0,1: 73:[58, 43, 40] Operation: 80-40=40 Exploring Operation: 40+43=83, Resulting Numbers: [58, 80, 83] Generated Node #0,2: 73:[58, 80, 83] Operation: 40+43=83 Exploring Operation: 58+40=98, Resulting Numbers: [43, 80, 98] Generated Node #0,3: 73:[43, 80, 98] Operation: 58+40=98 Exploring Operation: 58+43=101, Resulting Numbers: [40, 80, 101] Generated Node #0,4: 73:[40, 80, 101] Operation: 58+43=101 Moving to Node #0,2 Current State: 73:[58, 80, 83], Operations: ['40+43=83'] Exploring Operation: 83-58=25, Resulting Numbers: [80, 25] Generated Node #0,2,0: 73:[80, 25] Operation: 83-58=25 Exploring Operation: 58+80=138, Resulting Numbers: [83, 138] Generated Node #0,2,1: 73:[83, 138] Operation: 58+80=138 Exploring Operation: 83-80=3, Resulting Numbers: [58, 3] Generated Node #0,2,2: 73:[58, 3] Operation: 83-80=3 Exploring Operation: 58+83=141, Resulting Numbers: [80, 141] Generated Node #0,2,3: 73:[80, 141] Operation: 58+83=141 Exploring Operation: 80-58=22, Resulting Numbers: [83, 22] Generated Node #0,2,4: 73:[83, 22] Operation: 80-58=22 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 73:[80, 25], Operations: ['40+43=83', '83-58=25'] Exploring Operation: 80+25=105, Resulting Numbers: [105] 105,73 unequal: No Solution Exploring Operation: 80-25=55, Resulting Numbers: [55] 55,73 unequal: No Solution Exploring Operation: 80*25=2000, Resulting Numbers: [2000] 2000,73 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 #0,2,4 Current State: 73:[83, 22], Operations: ['40+43=83', '80-58=22'] Exploring Operation: 83-22=61, Resulting Numbers: [61] 61,73 unequal: No Solution Exploring Operation: 83*22=1826, Resulting Numbers: [1826] 1826,73 unequal: No Solution Exploring Operation: 83+22=105, Resulting Numbers: [105] 105,73 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:[83, 138], Operations: ['40+43=83', '58+80=138'] Exploring Operation: 83*138=11454, Resulting Numbers: [11454] 11454,73 unequal: No Solution Exploring Operation: 138-83=55, Resulting Numbers: [55] 55,73 unequal: No Solution Exploring Operation: 83+138=221, Resulting Numbers: [221] 221,73 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 #0,2,3 Current State: 73:[80, 141], Operations: ['40+43=83', '58+83=141'] Exploring Operation: 141-80=61, Resulting Numbers: [61] 61,73 unequal: No Solution Exploring Operation: 80+141=221, Resulting Numbers: [221] 221,73 unequal: No Solution Exploring Operation: 80*141=11280, Resulting Numbers: [11280] 11280,73 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:[58, 3], Operations: ['40+43=83', '83-80=3'] Exploring Operation: 58*3=174, Resulting Numbers: [174] 174,73 unequal: No Solution Exploring Operation: 58-3=55, Resulting Numbers: [55] 55,73 unequal: No Solution Exploring Operation: 58+3=61, Resulting Numbers: [61] 61,73 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: 73:[43, 80, 98], Operations: ['58+40=98'] Exploring Operation: 43+98=141, Resulting Numbers: [80, 141] Generated Node #0,3,0: 73:[80, 141] Operation: 43+98=141 Exploring Operation: 98-80=18, Resulting Numbers: [43, 18] Generated Node #0,3,1: 73:[43, 18] Operation: 98-80=18 Exploring Operation: 80-43=37, Resulting Numbers: [98, 37] Generated Node #0,3,2: 73:[98, 37] Operation: 80-43=37 Exploring Operation: 43+80=123, Resulting Numbers: [98, 123] Generated Node #0,3,3: 73:[98, 123] Operation: 43+80=123 Exploring Operation: 98-43=55, Resulting Numbers: [80, 55] Generated Node #0,3,4: 73:[80, 55] Operation: 98-43=55 Moving to Node #0,4 Current State: 73:[40, 80, 101], Operations: ['58+43=101'] Exploring Operation: 80-40=40, Resulting Numbers: [101, 40] Generated Node #0,4,0: 73:[101, 40] Operation: 80-40=40 Exploring Operation: 40+80=120, Resulting Numbers: [101, 120] Generated Node #0,4,1: 73:[101, 120] Operation: 40+80=120 Exploring Operation: 40+101=141, Resulting Numbers: [80, 141] Generated Node #0,4,2: 73:[80, 141] Operation: 40+101=141 Exploring Operation: 101-40=61, Resulting Numbers: [80, 61] Generated Node #0,4,3: 73:[80, 61] Operation: 101-40=61 Exploring Operation: 101-80=21, Resulting Numbers: [40, 21] Generated Node #0,4,4: 73:[40, 21] Operation: 101-80=21 Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 73:[80, 61], Operations: ['58+43=101', '101-40=61'] Exploring Operation: 80*61=4880, Resulting Numbers: [4880] 4880,73 unequal: No Solution Exploring Operation: 80-61=19, Resulting Numbers: [19] 19,73 unequal: No Solution Exploring Operation: 80+61=141, Resulting Numbers: [141] 141,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 73:[101, 40], Operations: ['58+43=101', '80-40=40'] Exploring Operation: 101-40=61, Resulting Numbers: [61] 61,73 unequal: No Solution Exploring Operation: 101+40=141, Resulting Numbers: [141] 141,73 unequal: No Solution Exploring Operation: 101*40=4040, Resulting Numbers: [4040] 4040,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 73:[101, 120], Operations: ['58+43=101', '40+80=120'] Exploring Operation: 120-101=19, Resulting Numbers: [19] 19,73 unequal: No Solution Exploring Operation: 101+120=221, Resulting Numbers: [221] 221,73 unequal: No Solution Exploring Operation: 101*120=12120, Resulting Numbers: [12120] 12120,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 73:[80, 141], Operations: ['58+43=101', '40+101=141'] Exploring Operation: 80+141=221, Resulting Numbers: [221] 221,73 unequal: No Solution Exploring Operation: 80*141=11280, Resulting Numbers: [11280] 11280,73 unequal: No Solution Exploring Operation: 141-80=61, Resulting Numbers: [61] 61,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 73:[40, 21], Operations: ['58+43=101', '101-80=21'] Exploring Operation: 40*21=840, Resulting Numbers: [840] 840,73 unequal: No Solution Exploring Operation: 40-21=19, Resulting Numbers: [19] 19,73 unequal: No Solution Exploring Operation: 40+21=61, Resulting Numbers: [61] 61,73 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: 73:[58, 43, 40], Operations: ['80-40=40'] Exploring Operation: 43-40=3, Resulting Numbers: [58, 3] Generated Node #0,1,0: 73:[58, 3] Operation: 43-40=3 Exploring Operation: 43+40=83, Resulting Numbers: [58, 83] Generated Node #0,1,1: 73:[58, 83] Operation: 43+40=83 Exploring Operation: 58+40=98, Resulting Numbers: [43, 98] Generated Node #0,1,2: 73:[43, 98] Operation: 58+40=98 Exploring Operation: 58+43=101, Resulting Numbers: [40, 101] Generated Node #0,1,3: 73:[40, 101] Operation: 58+43=101 Exploring Operation: 58-40=18, Resulting Numbers: [43, 18] Generated Node #0,1,4: 73:[43, 18] Operation: 58-40=18 Moving to Node #0,0 Current State: 73:[58, 40, 37], Operations: ['80-43=37'] Exploring Operation: 40+37=77, Resulting Numbers: [58, 77] Generated Node #0,0,0: 73:[58, 77] Operation: 40+37=77 Exploring Operation: 40-37=3, Resulting Numbers: [58, 3] Generated Node #0,0,1: 73:[58, 3] Operation: 40-37=3 Exploring Operation: 58+37=95, Resulting Numbers: [40, 95] Generated Node #0,0,2: 73:[40, 95] Operation: 58+37=95 Exploring Operation: 58-37=21, Resulting Numbers: [40, 21] Generated Node #0,0,3: 73:[40, 21] Operation: 58-37=21 Exploring Operation: 58+40=98, Resulting Numbers: [37, 98] Generated Node #0,0,4: 73:[37, 98] Operation: 58+40=98 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 73:[58, 77], Operations: ['80-43=37', '40+37=77'] Exploring Operation: 58+77=135, Resulting Numbers: [135] 135,73 unequal: No Solution Exploring Operation: 77-58=19, Resulting Numbers: [19] 19,73 unequal: No Solution Exploring Operation: 58*77=4466, Resulting Numbers: [4466] 4466,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 73:[40, 95], Operations: ['80-43=37', '58+37=95'] Exploring Operation: 40*95=3800, Resulting Numbers: [3800] 3800,73 unequal: No Solution Exploring Operation: 40+95=135, Resulting Numbers: [135] 135,73 unequal: No Solution Exploring Operation: 95-40=55, Resulting Numbers: [55] 55,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 73:[37, 98], Operations: ['80-43=37', '58+40=98'] Exploring Operation: 98-37=61, Resulting Numbers: [61] 61,73 unequal: No Solution Exploring Operation: 37*98=3626, Resulting Numbers: [3626] 3626,73 unequal: No Solution Exploring Operation: 37+98=135, Resulting Numbers: [135] 135,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 73:[58, 3], Operations: ['80-43=37', '40-37=3'] Exploring Operation: 58-3=55, Resulting Numbers: [55] 55,73 unequal: No Solution Exploring Operation: 58*3=174, Resulting Numbers: [174] 174,73 unequal: No Solution Exploring Operation: 58+3=61, Resulting Numbers: [61] 61,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 73:[40, 21], Operations: ['80-43=37', '58-37=21'] Exploring Operation: 40-21=19, Resulting Numbers: [19] 19,73 unequal: No Solution Exploring Operation: 40*21=840, Resulting Numbers: [840] 840,73 unequal: No Solution Exploring Operation: 40+21=61, Resulting Numbers: [61] 61,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3,4 Current State: 73:[80, 55], Operations: ['58+40=98', '98-43=55'] Exploring Operation: 80-55=25, Resulting Numbers: [25] 25,73 unequal: No Solution Exploring Operation: 80+55=135, Resulting Numbers: [135] 135,73 unequal: No Solution Exploring Operation: 80*55=4400, Resulting Numbers: [4400] 4400,73 unequal: No Solution Moving to Node #0,1,1 Current State: 73:[58, 83], Operations: ['80-40=40', '43+40=83'] Exploring Operation: 58*83=4814, Resulting Numbers: [4814] 4814,73 unequal: No Solution Exploring Operation: 58+83=141, Resulting Numbers: [141] 141,73 unequal: No Solution Exploring Operation: 83-58=25, Resulting Numbers: [25] 25,73 unequal: No Solution Moving to Node #0,1,2 Current State: 73:[43, 98], Operations: ['80-40=40', '58+40=98'] Exploring Operation: 43*98=4214, Resulting Numbers: [4214] 4214,73 unequal: No Solution Exploring Operation: 98-43=55, Resulting Numbers: [55] 55,73 unequal: No Solution Exploring Operation: 43+98=141, Resulting Numbers: [141] 141,73 unequal: No Solution Moving to Node #0,3,2 Current State: 73:[98, 37], Operations: ['58+40=98', '80-43=37'] Exploring Operation: 98-37=61, Resulting Numbers: [61] 61,73 unequal: No Solution Exploring Operation: 98*37=3626, Resulting Numbers: [3626] 3626,73 unequal: No Solution Exploring Operation: 98+37=135, Resulting Numbers: [135] 135,73 unequal: No Solution Moving to Node #0,1,3 Current State: 73:[40, 101], Operations: ['80-40=40', '58+43=101'] Exploring Operation: 40*101=4040, Resulting Numbers: [4040] 4040,73 unequal: No Solution Exploring Operation: 101-40=61, Resulting Numbers: [61] 61,73 unequal: No Solution Exploring Operation: 40+101=141, Resulting Numbers: [141] 141,73 unequal: No Solution Moving to Node #0,3,0 Current State: 73:[80, 141], Operations: ['58+40=98', '43+98=141'] Exploring Operation: 80+141=221, Resulting Numbers: [221] 221,73 unequal: No Solution Exploring Operation: 141-80=61, Resulting Numbers: [61] 61,73 unequal: No Solution Exploring Operation: 80*141=11280, Resulting Numbers: [11280] 11280,73 unequal: No Solution Moving to Node #0,3,3 Current State: 73:[98, 123], Operations: ['58+40=98', '43+80=123'] Exploring Operation: 98+123=221, Resulting Numbers: [221] 221,73 unequal: No Solution Exploring Operation: 123-98=25, Resulting Numbers: [25] 25,73 unequal: No Solution Exploring Operation: 98*123=12054, Resulting Numbers: [12054] 12054,73 unequal: No Solution Moving to Node #0,1,0 Current State: 73:[58, 3], Operations: ['80-40=40', '43-40=3'] Exploring Operation: 58+3=61, Resulting Numbers: [61] 61,73 unequal: No Solution Exploring Operation: 58*3=174, Resulting Numbers: [174] 174,73 unequal: No Solution Exploring Operation: 58-3=55, Resulting Numbers: [55] 55,73 unequal: No Solution Moving to Node #0,1,4 Current State: 73:[43, 18], Operations: ['80-40=40', '58-40=18'] Exploring Operation: 43+18=61, Resulting Numbers: [61] 61,73 unequal: No Solution Exploring Operation: 43-18=25, Resulting Numbers: [25] 25,73 unequal: No Solution Exploring Operation: 43*18=774, Resulting Numbers: [774] 774,73 unequal: No Solution Moving to Node #0,3,1 Current State: 73:[43, 18], Operations: ['58+40=98', '98-80=18'] Exploring Operation: 43*18=774, Resulting Numbers: [774] 774,73 unequal: No Solution Exploring Operation: 43-18=25, Resulting Numbers: [25] 25,73 unequal: No Solution Exploring Operation: 43+18=61, Resulting Numbers: [61] 61,73 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 31, 5, 27, 57 ]
54
[ "5+57=62", "62/31=2", "27*2=54" ]
Current State: 54:[31, 5, 27, 57], Operations: [] Exploring Operation: 5+57=62, Resulting Numbers: [31, 27, 62] Generated Node #2: [31, 27, 62] from Operation: 5+57=62 Current State: 54:[31, 27, 62], Operations: ['5+57=62'] Exploring Operation: 62/31=2, Resulting Numbers: [27, 2] Generated Node #3: [27, 2] from Operation: 62/31=2 Current State: 54:[27, 2], Operations: ['5+57=62', '62/31=2'] Exploring Operation: 27*2=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
4
Current State: 54:[31, 5, 27, 57], Operations: [] Exploring Operation: 57-31=26, Resulting Numbers: [5, 27, 26] Generated Node #0,0: 54:[5, 27, 26] Operation: 57-31=26 Start Sub Search at level 1: Moving to Node #0,0 Current State: 54:[5, 27, 26], Operations: ['57-31=26'] Exploring Operation: 27+26=53, Resulting Numbers: [5, 53] Generated Node #0,0,0: 54:[5, 53] Operation: 27+26=53 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 54:[5, 53], Operations: ['57-31=26', '27+26=53'] Exploring Operation: 5+53=58, Resulting Numbers: [58] 58,54 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 79, 50, 19, 93 ]
45
[ "79-50=29", "93-19=74", "74-29=45" ]
Current State: 45:[79, 50, 19, 93], Operations: [] Exploring Operation: 79-50=29, Resulting Numbers: [19, 93, 29] Generated Node #2: [19, 93, 29] from Operation: 79-50=29 Current State: 45:[19, 93, 29], Operations: ['79-50=29'] Exploring Operation: 93-19=74, Resulting Numbers: [29, 74] Generated Node #3: [29, 74] from Operation: 93-19=74 Current State: 45:[29, 74], Operations: ['79-50=29', '93-19=74'] Exploring Operation: 74-29=45, Resulting Numbers: [45] 45,45 equal: Goal Reached
4
Current State: 45:[79, 50, 19, 93], Operations: [] Exploring Operation: 93-79=14, Resulting Numbers: [50, 19, 14] Generated Node #0,0: 45:[50, 19, 14] Operation: 93-79=14 Exploring Operation: 79-19=60, Resulting Numbers: [50, 93, 60] Generated Node #0,1: 45:[50, 93, 60] Operation: 79-19=60 Exploring Operation: 93-50=43, Resulting Numbers: [79, 19, 43] Generated Node #0,2: 45:[79, 19, 43] Operation: 93-50=43 Exploring Operation: 79-50=29, Resulting Numbers: [19, 93, 29] Generated Node #0,3: 45:[19, 93, 29] Operation: 79-50=29 Moving to Node #0,0 Current State: 45:[50, 19, 14], Operations: ['93-79=14'] Exploring Operation: 19+14=33, Resulting Numbers: [50, 33] Generated Node #0,0,0: 45:[50, 33] Operation: 19+14=33 Exploring Operation: 50-14=36, Resulting Numbers: [19, 36] Generated Node #0,0,1: 45:[19, 36] Operation: 50-14=36 Exploring Operation: 19-14=5, Resulting Numbers: [50, 5] Generated Node #0,0,2: 45:[50, 5] Operation: 19-14=5 Exploring Operation: 50-19=31, Resulting Numbers: [14, 31] Generated Node #0,0,3: 45:[14, 31] Operation: 50-19=31 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 45:[50, 5], Operations: ['93-79=14', '19-14=5'] Exploring Operation: 50*5=250, Resulting Numbers: [250] 250,45 unequal: No Solution Exploring Operation: 50/5=10, Resulting Numbers: [10] 10,45 unequal: No Solution Exploring Operation: 50-5=45, Resulting Numbers: [45] 45,45 equal: Goal Reached Moving to Node #0 Current State: 45:[79, 50, 19, 93], Operations: [] Exploring Operation: 93-79=14, Resulting Numbers: [50, 19, 14] Generated Node #0,0: 45:[50, 19, 14] Operation: 93-79=14 Moving to Node #0,0 Current State: 45:[50, 19, 14], Operations: ['93-79=14'] Exploring Operation: 19-14=5, Resulting Numbers: [50, 5] Generated Node #0,0,2: 45:[50, 5] Operation: 19-14=5 Moving to Node #0,0,2 Current State: 45:[50, 5], Operations: ['93-79=14', '19-14=5'] Exploring Operation: 50-5=45, Resulting Numbers: [45] 45,45 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_4
sum_heuristic
[ 96, 91, 32, 75 ]
94
[ "91-75=16", "32/16=2", "96-2=94" ]
Current State: 94:[96, 91, 32, 75], Operations: [] Exploring Operation: 91-75=16, Resulting Numbers: [96, 32, 16] Generated Node #2: [96, 32, 16] from Operation: 91-75=16 Current State: 94:[96, 32, 16], Operations: ['91-75=16'] Exploring Operation: 32/16=2, Resulting Numbers: [96, 2] Generated Node #3: [96, 2] from Operation: 32/16=2 Current State: 94:[96, 2], Operations: ['91-75=16', '32/16=2'] Exploring Operation: 96-2=94, Resulting Numbers: [94] 94,94 equal: Goal Reached
4
Current State: 94:[96, 91, 32, 75], Operations: [] Exploring Operation: 75-32=43, Resulting Numbers: [96, 91, 43] Generated Node #0,0: 94:[96, 91, 43] Operation: 75-32=43 Exploring Operation: 32+75=107, Resulting Numbers: [96, 91, 107] Generated Node #0,1: 94:[96, 91, 107] Operation: 32+75=107 Start Sub Search at level 1: Moving to Node #0,0 Current State: 94:[96, 91, 43], Operations: ['75-32=43'] Exploring Operation: 96-91=5, Resulting Numbers: [43, 5] Generated Node #0,0,0: 94:[43, 5] Operation: 96-91=5 Exploring Operation: 91-43=48, Resulting Numbers: [96, 48] Generated Node #0,0,1: 94:[96, 48] Operation: 91-43=48 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 94:[96, 48], Operations: ['75-32=43', '91-43=48'] Exploring Operation: 96/48=2, Resulting Numbers: [2] 2,94 unequal: No Solution Exploring Operation: 96-48=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 #0,0,0 Current State: 94:[43, 5], Operations: ['75-32=43', '96-91=5'] Exploring Operation: 43+5=48, Resulting Numbers: [48] 48,94 unequal: No Solution Exploring Operation: 43-5=38, Resulting Numbers: [38] 38,94 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 94:[96, 91, 107], Operations: ['32+75=107'] Exploring Operation: 107-96=11, Resulting Numbers: [91, 11] Generated Node #0,1,0: 94:[91, 11] Operation: 107-96=11 Exploring Operation: 96-91=5, Resulting Numbers: [107, 5] Generated Node #0,1,1: 94:[107, 5] Operation: 96-91=5 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 94:[91, 11], Operations: ['32+75=107', '107-96=11'] Exploring Operation: 91-11=80, Resulting Numbers: [80] 80,94 unequal: No Solution Exploring Operation: 91+11=102, Resulting Numbers: [102] 102,94 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 #0,1,1 Current State: 94:[107, 5], Operations: ['32+75=107', '96-91=5'] Exploring Operation: 107-5=102, Resulting Numbers: [102] 102,94 unequal: No Solution Exploring Operation: 107+5=112, Resulting Numbers: [112] 112,94 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_2
mult_heuristic
[ 58, 33, 88, 45 ]
48
[ "58+33=91", "88-45=43", "91-43=48" ]
Current State: 48:[58, 33, 88, 45], Operations: [] Exploring Operation: 58+33=91, Resulting Numbers: [88, 45, 91] Generated Node #2: [88, 45, 91] from Operation: 58+33=91 Current State: 48:[88, 45, 91], Operations: ['58+33=91'] Exploring Operation: 88-45=43, Resulting Numbers: [91, 43] Generated Node #3: [91, 43] from Operation: 88-45=43 Current State: 48:[91, 43], Operations: ['58+33=91', '88-45=43'] Exploring Operation: 91-43=48, Resulting Numbers: [48] 48,48 equal: Goal Reached
4
Current State: 48:[58, 33, 88, 45], Operations: [] Exploring Operation: 88-33=55, Resulting Numbers: [58, 45, 55] Generated Node #0,0: 48:[58, 45, 55] Operation: 88-33=55 Exploring Operation: 88-58=30, Resulting Numbers: [33, 45, 30] Generated Node #0,1: 48:[33, 45, 30] Operation: 88-58=30 Start Sub Search at level 1: Moving to Node #0,1 Current State: 48:[33, 45, 30], Operations: ['88-58=30'] Exploring Operation: 33-30=3, Resulting Numbers: [45, 3] Generated Node #0,1,0: 48:[45, 3] Operation: 33-30=3 Exploring Operation: 45-33=12, Resulting Numbers: [30, 12] Generated Node #0,1,1: 48:[30, 12] Operation: 45-33=12 Moving to Node #0,1,0 Current State: 48:[45, 3], Operations: ['88-58=30', '33-30=3'] Exploring Operation: 45/3=15, Resulting Numbers: [15] 15,48 unequal: No Solution Exploring Operation: 45+3=48, Resulting Numbers: [48] 48,48 equal: Goal Reached Moving to Node #0 Current State: 48:[58, 33, 88, 45], Operations: [] Exploring Operation: 88-58=30, Resulting Numbers: [33, 45, 30] Generated Node #0,1: 48:[33, 45, 30] Operation: 88-58=30 Moving to Node #0,1 Current State: 48:[33, 45, 30], Operations: ['88-58=30'] Exploring Operation: 33-30=3, Resulting Numbers: [45, 3] Generated Node #0,1,0: 48:[45, 3] Operation: 33-30=3 Moving to Node #0,1,0 Current State: 48:[45, 3], Operations: ['88-58=30', '33-30=3'] Exploring Operation: 45+3=48, Resulting Numbers: [48] 48,48 equal: Goal Reached Exit Sub Search at level 1
0.991319
hs_2
sum_heuristic
[ 43, 74, 36, 91 ]
62
[ "43+74=117", "91-36=55", "117-55=62" ]
Current State: 62:[43, 74, 36, 91], Operations: [] Exploring Operation: 43+74=117, Resulting Numbers: [36, 91, 117] Generated Node #2: [36, 91, 117] from Operation: 43+74=117 Current State: 62:[36, 91, 117], Operations: ['43+74=117'] Exploring Operation: 91-36=55, Resulting Numbers: [117, 55] Generated Node #3: [117, 55] from Operation: 91-36=55 Current State: 62:[117, 55], Operations: ['43+74=117', '91-36=55'] Exploring Operation: 117-55=62, Resulting Numbers: [62] 62,62 equal: Goal Reached
4
Current State: 62:[43, 74, 36, 91], Operations: [] Exploring Operation: 91-43=48, Resulting Numbers: [74, 36, 48] Generated Node #0,0: 62:[74, 36, 48] Operation: 91-43=48 Start Sub Search at level 1: Moving to Node #0,0 Current State: 62:[74, 36, 48], Operations: ['91-43=48'] Exploring Operation: 74-48=26, Resulting Numbers: [36, 26] Generated Node #0,0,0: 62:[36, 26] Operation: 74-48=26 Moving to Node #0,0,0 Current State: 62:[36, 26], Operations: ['91-43=48', '74-48=26'] Exploring Operation: 36+26=62, Resulting Numbers: [62] 62,62 equal: Goal Reached Moving to Node #0 Current State: 62:[43, 74, 36, 91], Operations: [] Exploring Operation: 91-43=48, Resulting Numbers: [74, 36, 48] Generated Node #0,0: 62:[74, 36, 48] Operation: 91-43=48 Moving to Node #0,0 Current State: 62:[74, 36, 48], Operations: ['91-43=48'] Exploring Operation: 74-48=26, Resulting Numbers: [36, 26] Generated Node #0,0,0: 62:[36, 26] Operation: 74-48=26 Moving to Node #0,0,0 Current State: 62:[36, 26], Operations: ['91-43=48', '74-48=26'] Exploring Operation: 36+26=62, Resulting Numbers: [62] 62,62 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 28, 73, 36, 94 ]
29
[ "28+73=101", "36+94=130", "130-101=29" ]
Current State: 29:[28, 73, 36, 94], Operations: [] Exploring Operation: 28+73=101, Resulting Numbers: [36, 94, 101] Generated Node #2: [36, 94, 101] from Operation: 28+73=101 Current State: 29:[36, 94, 101], Operations: ['28+73=101'] Exploring Operation: 36+94=130, Resulting Numbers: [101, 130] Generated Node #3: [101, 130] from Operation: 36+94=130 Current State: 29:[101, 130], Operations: ['28+73=101', '36+94=130'] Exploring Operation: 130-101=29, Resulting Numbers: [29] 29,29 equal: Goal Reached
4
Current State: 29:[28, 73, 36, 94], Operations: [] Exploring Operation: 73-28=45, Resulting Numbers: [36, 94, 45] Generated Node #0,0: 29:[36, 94, 45] Operation: 73-28=45 Exploring Operation: 73-36=37, Resulting Numbers: [28, 94, 37] Generated Node #0,1: 29:[28, 94, 37] Operation: 73-36=37 Exploring Operation: 94-36=58, Resulting Numbers: [28, 73, 58] Generated Node #0,2: 29:[28, 73, 58] Operation: 94-36=58 Exploring Operation: 94-73=21, Resulting Numbers: [28, 36, 21] Generated Node #0,3: 29:[28, 36, 21] Operation: 94-73=21 Exploring Operation: 94-28=66, Resulting Numbers: [73, 36, 66] Generated Node #0,4: 29:[73, 36, 66] Operation: 94-28=66 Moving to Node #0,3 Current State: 29:[28, 36, 21], Operations: ['94-73=21'] Exploring Operation: 28-21=7, Resulting Numbers: [36, 7] Generated Node #0,3,0: 29:[36, 7] Operation: 28-21=7 Exploring Operation: 36-21=15, Resulting Numbers: [28, 15] Generated Node #0,3,1: 29:[28, 15] Operation: 36-21=15 Exploring Operation: 36-28=8, Resulting Numbers: [21, 8] Generated Node #0,3,2: 29:[21, 8] Operation: 36-28=8 Exploring Operation: 28+21=49, Resulting Numbers: [36, 49] Generated Node #0,3,3: 29:[36, 49] Operation: 28+21=49 Exploring Operation: 36+21=57, Resulting Numbers: [28, 57] Generated Node #0,3,4: 29:[28, 57] Operation: 36+21=57 Moving to Node #0,2 Current State: 29:[28, 73, 58], Operations: ['94-36=58'] Exploring Operation: 28+58=86, Resulting Numbers: [73, 86] Generated Node #0,2,0: 29:[73, 86] Operation: 28+58=86 Exploring Operation: 73-28=45, Resulting Numbers: [58, 45] Generated Node #0,2,1: 29:[58, 45] Operation: 73-28=45 Exploring Operation: 58-28=30, Resulting Numbers: [73, 30] Generated Node #0,2,2: 29:[73, 30] Operation: 58-28=30 Exploring Operation: 73-58=15, Resulting Numbers: [28, 15] Generated Node #0,2,3: 29:[28, 15] Operation: 73-58=15 Exploring Operation: 28+73=101, Resulting Numbers: [58, 101] Generated Node #0,2,4: 29:[58, 101] Operation: 28+73=101 Moving to Node #0,1 Current State: 29:[28, 94, 37], Operations: ['73-36=37'] Exploring Operation: 94-37=57, Resulting Numbers: [28, 57] Generated Node #0,1,0: 29:[28, 57] Operation: 94-37=57 Exploring Operation: 37-28=9, Resulting Numbers: [94, 9] Generated Node #0,1,1: 29:[94, 9] Operation: 37-28=9 Exploring Operation: 28+94=122, Resulting Numbers: [37, 122] Generated Node #0,1,2: 29:[37, 122] Operation: 28+94=122 Exploring Operation: 94-28=66, Resulting Numbers: [37, 66] Generated Node #0,1,3: 29:[37, 66] Operation: 94-28=66 Exploring Operation: 28+37=65, Resulting Numbers: [94, 65] Generated Node #0,1,4: 29:[94, 65] Operation: 28+37=65 Moving to Node #0,0 Current State: 29:[36, 94, 45], Operations: ['73-28=45'] Exploring Operation: 94-45=49, Resulting Numbers: [36, 49] Generated Node #0,0,0: 29:[36, 49] Operation: 94-45=49 Exploring Operation: 94-36=58, Resulting Numbers: [45, 58] Generated Node #0,0,1: 29:[45, 58] Operation: 94-36=58 Exploring Operation: 36+45=81, Resulting Numbers: [94, 81] Generated Node #0,0,2: 29:[94, 81] Operation: 36+45=81 Exploring Operation: 36+94=130, Resulting Numbers: [45, 130] Generated Node #0,0,3: 29:[45, 130] Operation: 36+94=130 Exploring Operation: 45-36=9, Resulting Numbers: [94, 9] Generated Node #0,0,4: 29:[94, 9] Operation: 45-36=9 Moving to Node #0,4 Current State: 29:[73, 36, 66], Operations: ['94-28=66'] Exploring Operation: 73-66=7, Resulting Numbers: [36, 7] Generated Node #0,4,0: 29:[36, 7] Operation: 73-66=7 Exploring Operation: 73+66=139, Resulting Numbers: [36, 139] Generated Node #0,4,1: 29:[36, 139] Operation: 73+66=139 Exploring Operation: 73+36=109, Resulting Numbers: [66, 109] Generated Node #0,4,2: 29:[66, 109] Operation: 73+36=109 Exploring Operation: 73-36=37, Resulting Numbers: [66, 37] Generated Node #0,4,3: 29:[66, 37] Operation: 73-36=37 Exploring Operation: 66-36=30, Resulting Numbers: [73, 30] Generated Node #0,4,4: 29:[73, 30] Operation: 66-36=30 Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 29:[36, 7], Operations: ['94-28=66', '73-66=7'] Exploring Operation: 36*7=252, Resulting Numbers: [252] 252,29 unequal: No Solution Exploring Operation: 36+7=43, Resulting Numbers: [43] 43,29 unequal: No Solution Exploring Operation: 36-7=29, Resulting Numbers: [29] 29,29 equal: Goal Reached Moving to Node #0 Current State: 29:[28, 73, 36, 94], Operations: [] Exploring Operation: 94-28=66, Resulting Numbers: [73, 36, 66] Generated Node #0,4: 29:[73, 36, 66] Operation: 94-28=66 Moving to Node #0,4 Current State: 29:[73, 36, 66], Operations: ['94-28=66'] Exploring Operation: 73-66=7, Resulting Numbers: [36, 7] Generated Node #0,4,0: 29:[36, 7] Operation: 73-66=7 Moving to Node #0,4,0 Current State: 29:[36, 7], Operations: ['94-28=66', '73-66=7'] Exploring Operation: 36-7=29, Resulting Numbers: [29] 29,29 equal: Goal Reached Exit Sub Search at level 1
0.967882
hs_5
sum_heuristic
[ 78, 24, 48, 69 ]
36
[ "48+69=117", "24*117=2808", "2808/78=36" ]
Current State: 36:[78, 24, 48, 69], Operations: [] Exploring Operation: 48+69=117, Resulting Numbers: [78, 24, 117] Generated Node #2: [78, 24, 117] from Operation: 48+69=117 Current State: 36:[78, 24, 117], Operations: ['48+69=117'] Exploring Operation: 24*117=2808, Resulting Numbers: [78, 2808] Generated Node #3: [78, 2808] from Operation: 24*117=2808 Current State: 36:[78, 2808], Operations: ['48+69=117', '24*117=2808'] Exploring Operation: 2808/78=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
4
Current State: 36:[78, 24, 48, 69], Operations: [] Exploring Operation: 69-24=45, Resulting Numbers: [78, 48, 45] Generated Node #0,0: 36:[78, 48, 45] Operation: 69-24=45 Exploring Operation: 78-48=30, Resulting Numbers: [24, 69, 30] Generated Node #0,1: 36:[24, 69, 30] Operation: 78-48=30 Exploring Operation: 78-69=9, Resulting Numbers: [24, 48, 9] Generated Node #0,2: 36:[24, 48, 9] Operation: 78-69=9 Exploring Operation: 78-24=54, Resulting Numbers: [48, 69, 54] Generated Node #0,3: 36:[48, 69, 54] Operation: 78-24=54 Exploring Operation: 69-48=21, Resulting Numbers: [78, 24, 21] Generated Node #0,4: 36:[78, 24, 21] Operation: 69-48=21 Start Sub Search at level 1: Moving to Node #0,2 Current State: 36:[24, 48, 9], Operations: ['78-69=9'] Exploring Operation: 48-9=39, Resulting Numbers: [24, 39] Generated Node #0,2,0: 36:[24, 39] Operation: 48-9=39 Exploring Operation: 24-9=15, Resulting Numbers: [48, 15] Generated Node #0,2,1: 36:[48, 15] Operation: 24-9=15 Exploring Operation: 48/24=2, Resulting Numbers: [9, 2] Generated Node #0,2,2: 36:[9, 2] Operation: 48/24=2 Exploring Operation: 48-24=24, Resulting Numbers: [9, 24] Generated Node #0,2,3: 36:[9, 24] Operation: 48-24=24 Exploring Operation: 24+9=33, Resulting Numbers: [48, 33] Generated Node #0,2,4: 36:[48, 33] Operation: 24+9=33 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 36:[9, 2], Operations: ['78-69=9', '48/24=2'] Exploring Operation: 9*2=18, Resulting Numbers: [18] 18,36 unequal: No Solution Exploring Operation: 9-2=7, Resulting Numbers: [7] 7,36 unequal: No Solution Exploring Operation: 9+2=11, Resulting Numbers: [11] 11,36 unequal: No Solution No 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: 36:[9, 24], Operations: ['78-69=9', '48-24=24'] Exploring Operation: 9+24=33, Resulting Numbers: [33] 33,36 unequal: No Solution Exploring Operation: 9*24=216, Resulting Numbers: [216] 216,36 unequal: No Solution Exploring Operation: 24-9=15, Resulting Numbers: [15] 15,36 unequal: No Solution No 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: 36:[24, 39], Operations: ['78-69=9', '48-9=39'] Exploring Operation: 24+39=63, Resulting Numbers: [63] 63,36 unequal: No Solution Exploring Operation: 24*39=936, Resulting Numbers: [936] 936,36 unequal: No Solution Exploring Operation: 39-24=15, Resulting Numbers: [15] 15,36 unequal: No Solution No 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: 36:[48, 15], Operations: ['78-69=9', '24-9=15'] Exploring Operation: 48-15=33, Resulting Numbers: [33] 33,36 unequal: No Solution Exploring Operation: 48*15=720, Resulting Numbers: [720] 720,36 unequal: No Solution Exploring Operation: 48+15=63, Resulting Numbers: [63] 63,36 unequal: No Solution No 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: 36:[48, 33], Operations: ['78-69=9', '24+9=33'] Exploring Operation: 48*33=1584, Resulting Numbers: [1584] 1584,36 unequal: No Solution Exploring Operation: 48-33=15, Resulting Numbers: [15] 15,36 unequal: No Solution Exploring Operation: 48+33=81, Resulting Numbers: [81] 81,36 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: 36:[24, 69, 30], Operations: ['78-48=30'] Exploring Operation: 24+69=93, Resulting Numbers: [30, 93] Generated Node #0,1,0: 36:[30, 93] Operation: 24+69=93 Exploring Operation: 30-24=6, Resulting Numbers: [69, 6] Generated Node #0,1,1: 36:[69, 6] Operation: 30-24=6 Exploring Operation: 69-24=45, Resulting Numbers: [30, 45] Generated Node #0,1,2: 36:[30, 45] Operation: 69-24=45 Exploring Operation: 24+30=54, Resulting Numbers: [69, 54] Generated Node #0,1,3: 36:[69, 54] Operation: 24+30=54 Exploring Operation: 69-30=39, Resulting Numbers: [24, 39] Generated Node #0,1,4: 36:[24, 39] Operation: 69-30=39 Moving to Node #0,1,4 Current State: 36:[24, 39], Operations: ['78-48=30', '69-30=39'] Exploring Operation: 24*39=936, Resulting Numbers: [936] 936,36 unequal: No Solution Exploring Operation: 24+39=63, Resulting Numbers: [63] 63,36 unequal: No Solution Exploring Operation: 39-24=15, Resulting Numbers: [15] 15,36 unequal: No Solution Moving to Node #0,1,2 Current State: 36:[30, 45], Operations: ['78-48=30', '69-24=45'] Exploring Operation: 30*45=1350, Resulting Numbers: [1350] 1350,36 unequal: No Solution Exploring Operation: 45-30=15, Resulting Numbers: [15] 15,36 unequal: No Solution Exploring Operation: 30+45=75, Resulting Numbers: [75] 75,36 unequal: No Solution Moving to Node #0,1,1 Current State: 36:[69, 6], Operations: ['78-48=30', '30-24=6'] Exploring Operation: 69*6=414, Resulting Numbers: [414] 414,36 unequal: No Solution Exploring Operation: 69+6=75, Resulting Numbers: [75] 75,36 unequal: No Solution Exploring Operation: 69-6=63, Resulting Numbers: [63] 63,36 unequal: No Solution Moving to Node #0,1,3 Current State: 36:[69, 54], Operations: ['78-48=30', '24+30=54'] Exploring Operation: 69+54=123, Resulting Numbers: [123] 123,36 unequal: No Solution Exploring Operation: 69*54=3726, Resulting Numbers: [3726] 3726,36 unequal: No Solution Exploring Operation: 69-54=15, Resulting Numbers: [15] 15,36 unequal: No Solution Moving to Node #0,1,0 Current State: 36:[30, 93], Operations: ['78-48=30', '24+69=93'] Exploring Operation: 93-30=63, Resulting Numbers: [63] 63,36 unequal: No Solution Exploring Operation: 30*93=2790, Resulting Numbers: [2790] 2790,36 unequal: No Solution Exploring Operation: 30+93=123, Resulting Numbers: [123] 123,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 36:[78, 24, 21], Operations: ['69-48=21'] Exploring Operation: 24+21=45, Resulting Numbers: [78, 45] Generated Node #0,4,0: 36:[78, 45] Operation: 24+21=45 Exploring Operation: 78-21=57, Resulting Numbers: [24, 57] Generated Node #0,4,1: 36:[24, 57] Operation: 78-21=57 Exploring Operation: 78-24=54, Resulting Numbers: [21, 54] Generated Node #0,4,2: 36:[21, 54] Operation: 78-24=54 Exploring Operation: 24-21=3, Resulting Numbers: [78, 3] Generated Node #0,4,3: 36:[78, 3] Operation: 24-21=3 Exploring Operation: 78+24=102, Resulting Numbers: [21, 102] Generated Node #0,4,4: 36:[21, 102] Operation: 78+24=102 Moving to Node #0,4,2 Current State: 36:[21, 54], Operations: ['69-48=21', '78-24=54'] Exploring Operation: 54-21=33, Resulting Numbers: [33] 33,36 unequal: No Solution Exploring Operation: 21+54=75, Resulting Numbers: [75] 75,36 unequal: No Solution Exploring Operation: 21*54=1134, Resulting Numbers: [1134] 1134,36 unequal: No Solution Moving to Node #0,4,1 Current State: 36:[24, 57], Operations: ['69-48=21', '78-21=57'] Exploring Operation: 24+57=81, Resulting Numbers: [81] 81,36 unequal: No Solution Exploring Operation: 24*57=1368, Resulting Numbers: [1368] 1368,36 unequal: No Solution Exploring Operation: 57-24=33, Resulting Numbers: [33] 33,36 unequal: No Solution Moving to Node #0,4,3 Current State: 36:[78, 3], Operations: ['69-48=21', '24-21=3'] Exploring Operation: 78/3=26, Resulting Numbers: [26] 26,36 unequal: No Solution Exploring Operation: 78+3=81, Resulting Numbers: [81] 81,36 unequal: No Solution Exploring Operation: 78-3=75, Resulting Numbers: [75] 75,36 unequal: No Solution Exploring Operation: 78*3=234, Resulting Numbers: [234] 234,36 unequal: No Solution Moving to Node #0,4,0 Current State: 36:[78, 45], Operations: ['69-48=21', '24+21=45'] Exploring Operation: 78-45=33, Resulting Numbers: [33] 33,36 unequal: No Solution Exploring Operation: 78+45=123, Resulting Numbers: [123] 123,36 unequal: No Solution Exploring Operation: 78*45=3510, Resulting Numbers: [3510] 3510,36 unequal: No Solution Moving to Node #0,4,4 Current State: 36:[21, 102], Operations: ['69-48=21', '78+24=102'] Exploring Operation: 21*102=2142, Resulting Numbers: [2142] 2142,36 unequal: No Solution Exploring Operation: 21+102=123, Resulting Numbers: [123] 123,36 unequal: No Solution Exploring Operation: 102-21=81, Resulting Numbers: [81] 81,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 36:[78, 48, 45], Operations: ['69-24=45'] Exploring Operation: 48-45=3, Resulting Numbers: [78, 3] Generated Node #0,0,0: 36:[78, 3] Operation: 48-45=3 Exploring Operation: 78+45=123, Resulting Numbers: [48, 123] Generated Node #0,0,1: 36:[48, 123] Operation: 78+45=123 Exploring Operation: 78+48=126, Resulting Numbers: [45, 126] Generated Node #0,0,2: 36:[45, 126] Operation: 78+48=126 Exploring Operation: 78-48=30, Resulting Numbers: [45, 30] Generated Node #0,0,3: 36:[45, 30] Operation: 78-48=30 Exploring Operation: 78-45=33, Resulting Numbers: [48, 33] Generated Node #0,0,4: 36:[48, 33] Operation: 78-45=33 Moving to Node #0,0,3 Current State: 36:[45, 30], Operations: ['69-24=45', '78-48=30'] Exploring Operation: 45*30=1350, Resulting Numbers: [1350] 1350,36 unequal: No Solution Exploring Operation: 45+30=75, Resulting Numbers: [75] 75,36 unequal: No Solution Exploring Operation: 45-30=15, Resulting Numbers: [15] 15,36 unequal: No Solution Moving to Node #0,0,4 Current State: 36:[48, 33], Operations: ['69-24=45', '78-45=33'] Exploring Operation: 48-33=15, Resulting Numbers: [15] 15,36 unequal: No Solution Exploring Operation: 48+33=81, Resulting Numbers: [81] 81,36 unequal: No Solution Exploring Operation: 48*33=1584, Resulting Numbers: [1584] 1584,36 unequal: No Solution Moving to Node #0,0,0 Current State: 36:[78, 3], Operations: ['69-24=45', '48-45=3'] Exploring Operation: 78+3=81, Resulting Numbers: [81] 81,36 unequal: No Solution Exploring Operation: 78-3=75, Resulting Numbers: [75] 75,36 unequal: No Solution Exploring Operation: 78*3=234, Resulting Numbers: [234] 234,36 unequal: No Solution Exploring Operation: 78/3=26, Resulting Numbers: [26] 26,36 unequal: No Solution Moving to Node #0,0,1 Current State: 36:[48, 123], Operations: ['69-24=45', '78+45=123'] Exploring Operation: 123-48=75, Resulting Numbers: [75] 75,36 unequal: No Solution Exploring Operation: 48+123=171, Resulting Numbers: [171] 171,36 unequal: No Solution Exploring Operation: 48*123=5904, Resulting Numbers: [5904] 5904,36 unequal: No Solution Moving to Node #0,0,2 Current State: 36:[45, 126], Operations: ['69-24=45', '78+48=126'] Exploring Operation: 126-45=81, Resulting Numbers: [81] 81,36 unequal: No Solution Exploring Operation: 45*126=5670, Resulting Numbers: [5670] 5670,36 unequal: No Solution Exploring Operation: 45+126=171, Resulting Numbers: [171] 171,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 36:[48, 69, 54], Operations: ['78-24=54'] Exploring Operation: 54-48=6, Resulting Numbers: [69, 6] Generated Node #0,3,0: 36:[69, 6] Operation: 54-48=6 Exploring Operation: 69-54=15, Resulting Numbers: [48, 15] Generated Node #0,3,1: 36:[48, 15] Operation: 69-54=15 Exploring Operation: 48+54=102, Resulting Numbers: [69, 102] Generated Node #0,3,2: 36:[69, 102] Operation: 48+54=102 Exploring Operation: 69-48=21, Resulting Numbers: [54, 21] Generated Node #0,3,3: 36:[54, 21] Operation: 69-48=21 Exploring Operation: 48+69=117, Resulting Numbers: [54, 117] Generated Node #0,3,4: 36:[54, 117] Operation: 48+69=117 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 36:[48, 15], Operations: ['78-24=54', '69-54=15'] Exploring Operation: 48-15=33, Resulting Numbers: [33] 33,36 unequal: No Solution Exploring Operation: 48*15=720, Resulting Numbers: [720] 720,36 unequal: No Solution Exploring Operation: 48+15=63, Resulting Numbers: [63] 63,36 unequal: No Solution No 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: 36:[54, 21], Operations: ['78-24=54', '69-48=21'] Exploring Operation: 54*21=1134, Resulting Numbers: [1134] 1134,36 unequal: No Solution Exploring Operation: 54-21=33, Resulting Numbers: [33] 33,36 unequal: No Solution Exploring Operation: 54+21=75, Resulting Numbers: [75] 75,36 unequal: No Solution No 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: 36:[69, 6], Operations: ['78-24=54', '54-48=6'] Exploring Operation: 69+6=75, Resulting Numbers: [75] 75,36 unequal: No Solution Exploring Operation: 69-6=63, Resulting Numbers: [63] 63,36 unequal: No Solution Exploring Operation: 69*6=414, Resulting Numbers: [414] 414,36 unequal: No Solution No 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: 36:[69, 102], Operations: ['78-24=54', '48+54=102'] Exploring Operation: 69*102=7038, Resulting Numbers: [7038] 7038,36 unequal: No Solution Exploring Operation: 102-69=33, Resulting Numbers: [33] 33,36 unequal: No Solution Exploring Operation: 69+102=171, Resulting Numbers: [171] 171,36 unequal: No Solution No 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: 36:[54, 117], Operations: ['78-24=54', '48+69=117'] Exploring Operation: 54+117=171, Resulting Numbers: [171] 171,36 unequal: No Solution Exploring Operation: 117-54=63, Resulting Numbers: [63] 63,36 unequal: No Solution Exploring Operation: 54*117=6318, Resulting Numbers: [6318] 6318,36 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
sum_heuristic
[ 57, 65, 10, 49 ]
20
[ "65+49=114", "114/57=2", "10*2=20" ]
Current State: 20:[57, 65, 10, 49], Operations: [] Exploring Operation: 65+49=114, Resulting Numbers: [57, 10, 114] Generated Node #2: [57, 10, 114] from Operation: 65+49=114 Current State: 20:[57, 10, 114], Operations: ['65+49=114'] Exploring Operation: 114/57=2, Resulting Numbers: [10, 2] Generated Node #3: [10, 2] from Operation: 114/57=2 Current State: 20:[10, 2], Operations: ['65+49=114', '114/57=2'] Exploring Operation: 10*2=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[57, 65, 10, 49], Operations: [] Exploring Operation: 65-10=55, Resulting Numbers: [57, 49, 55] Generated Node #0,0: 20:[57, 49, 55] Operation: 65-10=55 Exploring Operation: 57-49=8, Resulting Numbers: [65, 10, 8] Generated Node #0,1: 20:[65, 10, 8] Operation: 57-49=8 Exploring Operation: 65-57=8, Resulting Numbers: [10, 49, 8] Generated Node #0,2: 20:[10, 49, 8] Operation: 65-57=8 Exploring Operation: 57-10=47, Resulting Numbers: [65, 49, 47] Generated Node #0,3: 20:[65, 49, 47] Operation: 57-10=47 Exploring Operation: 65-49=16, Resulting Numbers: [57, 10, 16] Generated Node #0,4: 20:[57, 10, 16] Operation: 65-49=16 Moving to Node #0,2 Current State: 20:[10, 49, 8], Operations: ['65-57=8'] Exploring Operation: 49-10=39, Resulting Numbers: [8, 39] Generated Node #0,2,0: 20:[8, 39] Operation: 49-10=39 Exploring Operation: 49-8=41, Resulting Numbers: [10, 41] Generated Node #0,2,1: 20:[10, 41] Operation: 49-8=41 Exploring Operation: 10+8=18, Resulting Numbers: [49, 18] Generated Node #0,2,2: 20:[49, 18] Operation: 10+8=18 Exploring Operation: 10-8=2, Resulting Numbers: [49, 2] Generated Node #0,2,3: 20:[49, 2] Operation: 10-8=2 Exploring Operation: 49+8=57, Resulting Numbers: [10, 57] Generated Node #0,2,4: 20:[10, 57] Operation: 49+8=57 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 20:[8, 39], Operations: ['65-57=8', '49-10=39'] Exploring Operation: 8*39=312, Resulting Numbers: [312] 312,20 unequal: No Solution Exploring Operation: 8+39=47, Resulting Numbers: [47] 47,20 unequal: No Solution Exploring Operation: 39-8=31, Resulting Numbers: [31] 31,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 20:[10, 41], Operations: ['65-57=8', '49-8=41'] Exploring Operation: 10*41=410, Resulting Numbers: [410] 410,20 unequal: No Solution Exploring Operation: 41-10=31, Resulting Numbers: [31] 31,20 unequal: No Solution Exploring Operation: 10+41=51, Resulting Numbers: [51] 51,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 20:[49, 2], Operations: ['65-57=8', '10-8=2'] Exploring Operation: 49+2=51, Resulting Numbers: [51] 51,20 unequal: No Solution Exploring Operation: 49*2=98, Resulting Numbers: [98] 98,20 unequal: No Solution Exploring Operation: 49-2=47, Resulting Numbers: [47] 47,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 20:[49, 18], Operations: ['65-57=8', '10+8=18'] Exploring Operation: 49-18=31, Resulting Numbers: [31] 31,20 unequal: No Solution Exploring Operation: 49+18=67, Resulting Numbers: [67] 67,20 unequal: No Solution Exploring Operation: 49*18=882, Resulting Numbers: [882] 882,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 20:[10, 57], Operations: ['65-57=8', '49+8=57'] Exploring Operation: 10*57=570, Resulting Numbers: [570] 570,20 unequal: No Solution Exploring Operation: 57-10=47, Resulting Numbers: [47] 47,20 unequal: No Solution Exploring Operation: 10+57=67, Resulting Numbers: [67] 67,20 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: 20:[57, 10, 16], Operations: ['65-49=16'] Exploring Operation: 16-10=6, Resulting Numbers: [57, 6] Generated Node #0,4,0: 20:[57, 6] Operation: 16-10=6 Exploring Operation: 57-16=41, Resulting Numbers: [10, 41] Generated Node #0,4,1: 20:[10, 41] Operation: 57-16=41 Exploring Operation: 57-10=47, Resulting Numbers: [16, 47] Generated Node #0,4,2: 20:[16, 47] Operation: 57-10=47 Exploring Operation: 10+16=26, Resulting Numbers: [57, 26] Generated Node #0,4,3: 20:[57, 26] Operation: 10+16=26 Exploring Operation: 57+10=67, Resulting Numbers: [16, 67] Generated Node #0,4,4: 20:[16, 67] Operation: 57+10=67 Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 20:[10, 41], Operations: ['65-49=16', '57-16=41'] Exploring Operation: 10+41=51, Resulting Numbers: [51] 51,20 unequal: No Solution Exploring Operation: 10*41=410, Resulting Numbers: [410] 410,20 unequal: No Solution Exploring Operation: 41-10=31, Resulting Numbers: [31] 31,20 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 #0,4,2 Current State: 20:[16, 47], Operations: ['65-49=16', '57-10=47'] Exploring Operation: 16+47=63, Resulting Numbers: [63] 63,20 unequal: No Solution Exploring Operation: 47-16=31, Resulting Numbers: [31] 31,20 unequal: No Solution Exploring Operation: 16*47=752, Resulting Numbers: [752] 752,20 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 #0,4,0 Current State: 20:[57, 6], Operations: ['65-49=16', '16-10=6'] Exploring Operation: 57*6=342, Resulting Numbers: [342] 342,20 unequal: No Solution Exploring Operation: 57-6=51, Resulting Numbers: [51] 51,20 unequal: No Solution Exploring Operation: 57+6=63, Resulting Numbers: [63] 63,20 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 #0,4,3 Current State: 20:[57, 26], Operations: ['65-49=16', '10+16=26'] Exploring Operation: 57-26=31, Resulting Numbers: [31] 31,20 unequal: No Solution Exploring Operation: 57+26=83, Resulting Numbers: [83] 83,20 unequal: No Solution Exploring Operation: 57*26=1482, Resulting Numbers: [1482] 1482,20 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 #0,4,4 Current State: 20:[16, 67], Operations: ['65-49=16', '57+10=67'] Exploring Operation: 67-16=51, Resulting Numbers: [51] 51,20 unequal: No Solution Exploring Operation: 16+67=83, Resulting Numbers: [83] 83,20 unequal: No Solution Exploring Operation: 16*67=1072, Resulting Numbers: [1072] 1072,20 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: 20:[65, 10, 8], Operations: ['57-49=8'] Exploring Operation: 65-10=55, Resulting Numbers: [8, 55] Generated Node #0,1,0: 20:[8, 55] Operation: 65-10=55 Exploring Operation: 65+8=73, Resulting Numbers: [10, 73] Generated Node #0,1,1: 20:[10, 73] Operation: 65+8=73 Exploring Operation: 10-8=2, Resulting Numbers: [65, 2] Generated Node #0,1,2: 20:[65, 2] Operation: 10-8=2 Exploring Operation: 10+8=18, Resulting Numbers: [65, 18] Generated Node #0,1,3: 20:[65, 18] Operation: 10+8=18 Exploring Operation: 65-8=57, Resulting Numbers: [10, 57] Generated Node #0,1,4: 20:[10, 57] Operation: 65-8=57 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 20:[8, 55], Operations: ['57-49=8', '65-10=55'] Exploring Operation: 55-8=47, Resulting Numbers: [47] 47,20 unequal: No Solution Exploring Operation: 8*55=440, Resulting Numbers: [440] 440,20 unequal: No Solution Exploring Operation: 8+55=63, Resulting Numbers: [63] 63,20 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 #0,1,4 Current State: 20:[10, 57], Operations: ['57-49=8', '65-8=57'] Exploring Operation: 10*57=570, Resulting Numbers: [570] 570,20 unequal: No Solution Exploring Operation: 57-10=47, Resulting Numbers: [47] 47,20 unequal: No Solution Exploring Operation: 10+57=67, Resulting Numbers: [67] 67,20 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 #0,1,2 Current State: 20:[65, 2], Operations: ['57-49=8', '10-8=2'] Exploring Operation: 65+2=67, Resulting Numbers: [67] 67,20 unequal: No Solution Exploring Operation: 65-2=63, Resulting Numbers: [63] 63,20 unequal: No Solution Exploring Operation: 65*2=130, Resulting Numbers: [130] 130,20 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 #0,1,3 Current State: 20:[65, 18], Operations: ['57-49=8', '10+8=18'] Exploring Operation: 65-18=47, Resulting Numbers: [47] 47,20 unequal: No Solution Exploring Operation: 65+18=83, Resulting Numbers: [83] 83,20 unequal: No Solution Exploring Operation: 65*18=1170, Resulting Numbers: [1170] 1170,20 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 #0,1,1 Current State: 20:[10, 73], Operations: ['57-49=8', '65+8=73'] Exploring Operation: 10+73=83, Resulting Numbers: [83] 83,20 unequal: No Solution Exploring Operation: 10*73=730, Resulting Numbers: [730] 730,20 unequal: No Solution Exploring Operation: 73-10=63, Resulting Numbers: [63] 63,20 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: 20:[57, 49, 55], Operations: ['65-10=55'] Exploring Operation: 57-49=8, Resulting Numbers: [55, 8] Generated Node #0,0,0: 20:[55, 8] Operation: 57-49=8 Exploring Operation: 57+55=112, Resulting Numbers: [49, 112] Generated Node #0,0,1: 20:[49, 112] Operation: 57+55=112 Exploring Operation: 57+49=106, Resulting Numbers: [55, 106] Generated Node #0,0,2: 20:[55, 106] Operation: 57+49=106 Exploring Operation: 55-49=6, Resulting Numbers: [57, 6] Generated Node #0,0,3: 20:[57, 6] Operation: 55-49=6 Exploring Operation: 57-55=2, Resulting Numbers: [49, 2] Generated Node #0,0,4: 20:[49, 2] Operation: 57-55=2 Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 20:[49, 2], Operations: ['65-10=55', '57-55=2'] Exploring Operation: 49*2=98, Resulting Numbers: [98] 98,20 unequal: No Solution Exploring Operation: 49-2=47, Resulting Numbers: [47] 47,20 unequal: No Solution Exploring Operation: 49+2=51, Resulting Numbers: [51] 51,20 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 #0,0,0 Current State: 20:[55, 8], Operations: ['65-10=55', '57-49=8'] Exploring Operation: 55-8=47, Resulting Numbers: [47] 47,20 unequal: No Solution Exploring Operation: 55+8=63, Resulting Numbers: [63] 63,20 unequal: No Solution Exploring Operation: 55*8=440, Resulting Numbers: [440] 440,20 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 #0,0,3 Current State: 20:[57, 6], Operations: ['65-10=55', '55-49=6'] Exploring Operation: 57+6=63, Resulting Numbers: [63] 63,20 unequal: No Solution Exploring Operation: 57-6=51, Resulting Numbers: [51] 51,20 unequal: No Solution Exploring Operation: 57*6=342, Resulting Numbers: [342] 342,20 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 #0,0,1 Current State: 20:[49, 112], Operations: ['65-10=55', '57+55=112'] Exploring Operation: 49*112=5488, Resulting Numbers: [5488] 5488,20 unequal: No Solution Exploring Operation: 112-49=63, Resulting Numbers: [63] 63,20 unequal: No Solution Exploring Operation: 49+112=161, Resulting Numbers: [161] 161,20 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 #0,0,2 Current State: 20:[55, 106], Operations: ['65-10=55', '57+49=106'] Exploring Operation: 106-55=51, Resulting Numbers: [51] 51,20 unequal: No Solution Exploring Operation: 55+106=161, Resulting Numbers: [161] 161,20 unequal: No Solution Exploring Operation: 55*106=5830, Resulting Numbers: [5830] 5830,20 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: 20:[65, 49, 47], Operations: ['57-10=47'] Exploring Operation: 65-47=18, Resulting Numbers: [49, 18] Generated Node #0,3,0: 20:[49, 18] Operation: 65-47=18 Exploring Operation: 49-47=2, Resulting Numbers: [65, 2] Generated Node #0,3,1: 20:[65, 2] Operation: 49-47=2 Exploring Operation: 65-49=16, Resulting Numbers: [47, 16] Generated Node #0,3,2: 20:[47, 16] Operation: 65-49=16 Exploring Operation: 65+49=114, Resulting Numbers: [47, 114] Generated Node #0,3,3: 20:[47, 114] Operation: 65+49=114 Exploring Operation: 65+47=112, Resulting Numbers: [49, 112] Generated Node #0,3,4: 20:[49, 112] Operation: 65+47=112 Moving to Node #0,3,0 Current State: 20:[49, 18], Operations: ['57-10=47', '65-47=18'] Exploring Operation: 49-18=31, Resulting Numbers: [31] 31,20 unequal: No Solution Exploring Operation: 49+18=67, Resulting Numbers: [67] 67,20 unequal: No Solution Exploring Operation: 49*18=882, Resulting Numbers: [882] 882,20 unequal: No Solution Moving to Node #0,3,2 Current State: 20:[47, 16], Operations: ['57-10=47', '65-49=16'] Exploring Operation: 47+16=63, Resulting Numbers: [63] 63,20 unequal: No Solution Exploring Operation: 47*16=752, Resulting Numbers: [752] 752,20 unequal: No Solution Exploring Operation: 47-16=31, Resulting Numbers: [31] 31,20 unequal: No Solution Moving to Node #0,3,1 Current State: 20:[65, 2], Operations: ['57-10=47', '49-47=2'] Exploring Operation: 65-2=63, Resulting Numbers: [63] 63,20 unequal: No Solution Exploring Operation: 65+2=67, Resulting Numbers: [67] 67,20 unequal: No Solution Exploring Operation: 65*2=130, Resulting Numbers: [130] 130,20 unequal: No Solution Moving to Node #0,3,3 Current State: 20:[47, 114], Operations: ['57-10=47', '65+49=114'] Exploring Operation: 47+114=161, Resulting Numbers: [161] 161,20 unequal: No Solution Exploring Operation: 47*114=5358, Resulting Numbers: [5358] 5358,20 unequal: No Solution Exploring Operation: 114-47=67, Resulting Numbers: [67] 67,20 unequal: No Solution Moving to Node #0,3,4 Current State: 20:[49, 112], Operations: ['57-10=47', '65+47=112'] Exploring Operation: 49*112=5488, Resulting Numbers: [5488] 5488,20 unequal: No Solution Exploring Operation: 112-49=63, Resulting Numbers: [63] 63,20 unequal: No Solution Exploring Operation: 49+112=161, Resulting Numbers: [161] 161,20 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 66, 45, 5, 63 ]
73
[ "45/5=9", "63/9=7", "66+7=73" ]
Current State: 73:[66, 45, 5, 63], Operations: [] Exploring Operation: 45/5=9, Resulting Numbers: [66, 63, 9] Generated Node #2: [66, 63, 9] from Operation: 45/5=9 Current State: 73:[66, 63, 9], Operations: ['45/5=9'] Exploring Operation: 63/9=7, Resulting Numbers: [66, 7] Generated Node #3: [66, 7] from Operation: 63/9=7 Current State: 73:[66, 7], Operations: ['45/5=9', '63/9=7'] Exploring Operation: 66+7=73, Resulting Numbers: [73] 73,73 equal: Goal Reached
4
Current State: 73:[66, 45, 5, 63], Operations: [] Exploring Operation: 66+5=71, Resulting Numbers: [45, 63, 71] Generated Node #0,0: 73:[45, 63, 71] Operation: 66+5=71 Exploring Operation: 45+5=50, Resulting Numbers: [66, 63, 50] Generated Node #0,1: 73:[66, 63, 50] Operation: 45+5=50 Exploring Operation: 5+63=68, Resulting Numbers: [66, 45, 68] Generated Node #0,2: 73:[66, 45, 68] Operation: 5+63=68 Start Sub Search at level 1: Moving to Node #0,0 Current State: 73:[45, 63, 71], Operations: ['66+5=71'] Exploring Operation: 45+71=116, Resulting Numbers: [63, 116] Generated Node #0,0,0: 73:[63, 116] Operation: 45+71=116 Exploring Operation: 45+63=108, Resulting Numbers: [71, 108] Generated Node #0,0,1: 73:[71, 108] Operation: 45+63=108 Exploring Operation: 63-45=18, Resulting Numbers: [71, 18] Generated Node #0,0,2: 73:[71, 18] Operation: 63-45=18 Moving to Node #0,0,1 Current State: 73:[71, 108], Operations: ['66+5=71', '45+63=108'] Exploring Operation: 108-71=37, Resulting Numbers: [37] 37,73 unequal: No Solution Exploring Operation: 71+108=179, Resulting Numbers: [179] 179,73 unequal: No Solution Exploring Operation: 71*108=7668, Resulting Numbers: [7668] 7668,73 unequal: No Solution Moving to Node #0,0,0 Current State: 73:[63, 116], Operations: ['66+5=71', '45+71=116'] Exploring Operation: 63*116=7308, Resulting Numbers: [7308] 7308,73 unequal: No Solution Exploring Operation: 116-63=53, Resulting Numbers: [53] 53,73 unequal: No Solution Exploring Operation: 63+116=179, Resulting Numbers: [179] 179,73 unequal: No Solution Moving to Node #0,0,2 Current State: 73:[71, 18], Operations: ['66+5=71', '63-45=18'] Exploring Operation: 71-18=53, Resulting Numbers: [53] 53,73 unequal: No Solution Exploring Operation: 71+18=89, Resulting Numbers: [89] 89,73 unequal: No Solution Exploring Operation: 71*18=1278, Resulting Numbers: [1278] 1278,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 73:[66, 63, 50], Operations: ['45+5=50'] Exploring Operation: 66+50=116, Resulting Numbers: [63, 116] Generated Node #0,1,0: 73:[63, 116] Operation: 66+50=116 Exploring Operation: 66-50=16, Resulting Numbers: [63, 16] Generated Node #0,1,1: 73:[63, 16] Operation: 66-50=16 Exploring Operation: 63+50=113, Resulting Numbers: [66, 113] Generated Node #0,1,2: 73:[66, 113] Operation: 63+50=113 Moving to Node #0,1,2 Current State: 73:[66, 113], Operations: ['45+5=50', '63+50=113'] Exploring Operation: 66*113=7458, Resulting Numbers: [7458] 7458,73 unequal: No Solution Exploring Operation: 66+113=179, Resulting Numbers: [179] 179,73 unequal: No Solution Exploring Operation: 113-66=47, Resulting Numbers: [47] 47,73 unequal: No Solution Moving to Node #0,1,0 Current State: 73:[63, 116], Operations: ['45+5=50', '66+50=116'] Exploring Operation: 116-63=53, Resulting Numbers: [53] 53,73 unequal: No Solution Exploring Operation: 63+116=179, Resulting Numbers: [179] 179,73 unequal: No Solution Exploring Operation: 63*116=7308, Resulting Numbers: [7308] 7308,73 unequal: No Solution Moving to Node #0,1,1 Current State: 73:[63, 16], Operations: ['45+5=50', '66-50=16'] Exploring Operation: 63+16=79, Resulting Numbers: [79] 79,73 unequal: No Solution Exploring Operation: 63*16=1008, Resulting Numbers: [1008] 1008,73 unequal: No Solution Exploring Operation: 63-16=47, Resulting Numbers: [47] 47,73 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 Current State: 73:[66, 45, 68], Operations: ['5+63=68'] Exploring Operation: 45+68=113, Resulting Numbers: [66, 113] Generated Node #0,2,0: 73:[66, 113] Operation: 45+68=113 Exploring Operation: 66-45=21, Resulting Numbers: [68, 21] Generated Node #0,2,1: 73:[68, 21] Operation: 66-45=21 Exploring Operation: 66+45=111, Resulting Numbers: [68, 111] Generated Node #0,2,2: 73:[68, 111] Operation: 66+45=111 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 73:[68, 111], Operations: ['5+63=68', '66+45=111'] Exploring Operation: 111-68=43, Resulting Numbers: [43] 43,73 unequal: No Solution Exploring Operation: 68*111=7548, Resulting Numbers: [7548] 7548,73 unequal: No Solution Exploring Operation: 68+111=179, Resulting Numbers: [179] 179,73 unequal: No Solution No 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: 73:[66, 113], Operations: ['5+63=68', '45+68=113'] Exploring Operation: 66+113=179, Resulting Numbers: [179] 179,73 unequal: No Solution Exploring Operation: 113-66=47, Resulting Numbers: [47] 47,73 unequal: No Solution Exploring Operation: 66*113=7458, Resulting Numbers: [7458] 7458,73 unequal: No Solution No 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: 73:[68, 21], Operations: ['5+63=68', '66-45=21'] Exploring Operation: 68-21=47, Resulting Numbers: [47] 47,73 unequal: No Solution Exploring Operation: 68+21=89, Resulting Numbers: [89] 89,73 unequal: No Solution Exploring Operation: 68*21=1428, Resulting Numbers: [1428] 1428,73 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_3
mult_heuristic
[ 25, 70, 6, 19 ]
11
[ "25+70=95", "95/19=5", "6+5=11" ]
Current State: 11:[25, 70, 6, 19], Operations: [] Exploring Operation: 25+70=95, Resulting Numbers: [6, 19, 95] Generated Node #2: [6, 19, 95] from Operation: 25+70=95 Current State: 11:[6, 19, 95], Operations: ['25+70=95'] Exploring Operation: 95/19=5, Resulting Numbers: [6, 5] Generated Node #3: [6, 5] from Operation: 95/19=5 Current State: 11:[6, 5], Operations: ['25+70=95', '95/19=5'] Exploring Operation: 6+5=11, Resulting Numbers: [11] 11,11 equal: Goal Reached
4
Current State: 11:[25, 70, 6, 19], Operations: [] Exploring Operation: 70-25=45, Resulting Numbers: [6, 19, 45] Generated Node #0,0: 11:[6, 19, 45] Operation: 70-25=45 Exploring Operation: 70-19=51, Resulting Numbers: [25, 6, 51] Generated Node #0,1: 11:[25, 6, 51] Operation: 70-19=51 Moving to Node #0,0 Current State: 11:[6, 19, 45], Operations: ['70-25=45'] Exploring Operation: 19-6=13, Resulting Numbers: [45, 13] Generated Node #0,0,0: 11:[45, 13] Operation: 19-6=13 Exploring Operation: 45-19=26, Resulting Numbers: [6, 26] Generated Node #0,0,1: 11:[6, 26] Operation: 45-19=26 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 11:[6, 26], Operations: ['70-25=45', '45-19=26'] Exploring Operation: 6+26=32, Resulting Numbers: [32] 32,11 unequal: No Solution Exploring Operation: 26-6=20, Resulting Numbers: [20] 20,11 unequal: No Solution No 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: 11:[45, 13], Operations: ['70-25=45', '19-6=13'] Exploring Operation: 45+13=58, Resulting Numbers: [58] 58,11 unequal: No Solution Exploring Operation: 45-13=32, Resulting Numbers: [32] 32,11 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: 11:[25, 6, 51], Operations: ['70-19=51'] Exploring Operation: 25-6=19, Resulting Numbers: [51, 19] Generated Node #0,1,0: 11:[51, 19] Operation: 25-6=19 Exploring Operation: 51-25=26, Resulting Numbers: [6, 26] Generated Node #0,1,1: 11:[6, 26] Operation: 51-25=26 Moving to Node #0,1,1 Current State: 11:[6, 26], Operations: ['70-19=51', '51-25=26'] Exploring Operation: 6+26=32, Resulting Numbers: [32] 32,11 unequal: No Solution Exploring Operation: 26-6=20, Resulting Numbers: [20] 20,11 unequal: No Solution Moving to Node #0,1,0 Current State: 11:[51, 19], Operations: ['70-19=51', '25-6=19'] Exploring Operation: 51+19=70, Resulting Numbers: [70] 70,11 unequal: No Solution Exploring Operation: 51-19=32, Resulting Numbers: [32] 32,11 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 66, 63, 87, 37 ]
53
[ "66-63=3", "87-37=50", "3+50=53" ]
Current State: 53:[66, 63, 87, 37], Operations: [] Exploring Operation: 66-63=3, Resulting Numbers: [87, 37, 3] Generated Node #2: [87, 37, 3] from Operation: 66-63=3 Current State: 53:[87, 37, 3], Operations: ['66-63=3'] Exploring Operation: 87-37=50, Resulting Numbers: [3, 50] Generated Node #3: [3, 50] from Operation: 87-37=50 Current State: 53:[3, 50], Operations: ['66-63=3', '87-37=50'] Exploring Operation: 3+50=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[66, 63, 87, 37], Operations: [] Exploring Operation: 87-37=50, Resulting Numbers: [66, 63, 50] Generated Node #0,0: 53:[66, 63, 50] Operation: 87-37=50 Start Sub Search at level 1: Moving to Node #0,0 Current State: 53:[66, 63, 50], Operations: ['87-37=50'] Exploring Operation: 66-50=16, Resulting Numbers: [63, 16] Generated Node #0,0,0: 53:[63, 16] Operation: 66-50=16 Moving to Node #0,0,0 Current State: 53:[63, 16], Operations: ['87-37=50', '66-50=16'] Exploring Operation: 63-16=47, Resulting Numbers: [47] 47,53 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
[ 9, 78, 79, 77 ]
68
[ "77-9=68", "79-78=1", "68*1=68" ]
Current State: 68:[9, 78, 79, 77], Operations: [] Exploring Operation: 77-9=68, Resulting Numbers: [78, 79, 68] Generated Node #2: [78, 79, 68] from Operation: 77-9=68 Current State: 68:[78, 79, 68], Operations: ['77-9=68'] Exploring Operation: 79-78=1, Resulting Numbers: [68, 1] Generated Node #3: [68, 1] from Operation: 79-78=1 Current State: 68:[68, 1], Operations: ['77-9=68', '79-78=1'] Exploring Operation: 68*1=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
4
Current State: 68:[9, 78, 79, 77], Operations: [] Exploring Operation: 79-77=2, Resulting Numbers: [9, 78, 2] Generated Node #0,0: 68:[9, 78, 2] Operation: 79-77=2 Exploring Operation: 78-77=1, Resulting Numbers: [9, 79, 1] Generated Node #0,1: 68:[9, 79, 1] Operation: 78-77=1 Exploring Operation: 79-78=1, Resulting Numbers: [9, 77, 1] Generated Node #0,2: 68:[9, 77, 1] Operation: 79-78=1 Start Sub Search at level 1: Moving to Node #0,0 Current State: 68:[9, 78, 2], Operations: ['79-77=2'] Exploring Operation: 78-9=69, Resulting Numbers: [2, 69] Generated Node #0,0,0: 68:[2, 69] Operation: 78-9=69 Exploring Operation: 78/2=39, Resulting Numbers: [9, 39] Generated Node #0,0,1: 68:[9, 39] Operation: 78/2=39 Exploring Operation: 9*2=18, Resulting Numbers: [78, 18] Generated Node #0,0,2: 68:[78, 18] Operation: 9*2=18 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 68:[2, 69], Operations: ['79-77=2', '78-9=69'] Exploring Operation: 2+69=71, Resulting Numbers: [71] 71,68 unequal: No Solution Exploring Operation: 69-2=67, Resulting Numbers: [67] 67,68 unequal: No Solution Exploring Operation: 2*69=138, Resulting Numbers: [138] 138,68 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 68:[9, 39], Operations: ['79-77=2', '78/2=39'] Exploring Operation: 9*39=351, Resulting Numbers: [351] 351,68 unequal: No Solution Exploring Operation: 9+39=48, Resulting Numbers: [48] 48,68 unequal: No Solution Exploring Operation: 39-9=30, Resulting Numbers: [30] 30,68 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 68:[78, 18], Operations: ['79-77=2', '9*2=18'] Exploring Operation: 78+18=96, Resulting Numbers: [96] 96,68 unequal: No Solution Exploring Operation: 78-18=60, Resulting Numbers: [60] 60,68 unequal: No Solution Exploring Operation: 78*18=1404, Resulting Numbers: [1404] 1404,68 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 68:[9, 77, 1], Operations: ['79-78=1'] Exploring Operation: 77-9=68, Resulting Numbers: [1, 68] Generated Node #0,2,0: 68:[1, 68] Operation: 77-9=68 Exploring Operation: 9-1=8, Resulting Numbers: [77, 8] Generated Node #0,2,1: 68:[77, 8] Operation: 9-1=8 Exploring Operation: 77-1=76, Resulting Numbers: [9, 76] Generated Node #0,2,2: 68:[9, 76] Operation: 77-1=76 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 68:[1, 68], Operations: ['79-78=1', '77-9=68'] Exploring Operation: 1*68=68, Resulting Numbers: [68] 68,68 equal: Goal Reached Moving to Node #0 Current State: 68:[9, 78, 79, 77], Operations: [] Exploring Operation: 79-78=1, Resulting Numbers: [9, 77, 1] Generated Node #0,2: 68:[9, 77, 1] Operation: 79-78=1 Moving to Node #0,2 Current State: 68:[9, 77, 1], Operations: ['79-78=1'] Exploring Operation: 77-9=68, Resulting Numbers: [1, 68] Generated Node #0,2,0: 68:[1, 68] Operation: 77-9=68 Moving to Node #0,2,0 Current State: 68:[1, 68], Operations: ['79-78=1', '77-9=68'] Exploring Operation: 1*68=68, Resulting Numbers: [68] 68,68 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.980035
hs_3
mult_heuristic
[ 57, 57, 23, 4 ]
77
[ "57+23=80", "80/4=20", "57+20=77" ]
Current State: 77:[57, 57, 23, 4], Operations: [] Exploring Operation: 57+23=80, Resulting Numbers: [4, 80] Generated Node #2: [4, 80] from Operation: 57+23=80 Current State: 77:[4, 80], Operations: ['57+23=80'] Exploring Operation: 80/4=20, Resulting Numbers: [20] 20,77 equal: Goal Reached Exploring Operation: 57+20=77, Resulting Numbers: [77] 77,77 equal: Goal Reached
4
Current State: 77:[57, 57, 23, 4], Operations: [] Exploring Operation: 57-57=0, Resulting Numbers: [23, 4, 0] Generated Node #0,0: 77:[23, 4, 0] Operation: 57-57=0 Exploring Operation: 57/57=1, Resulting Numbers: [23, 4, 1] Generated Node #0,1: 77:[23, 4, 1] Operation: 57/57=1 Moving to Node #0,1 Current State: 77:[23, 4, 1], Operations: ['57/57=1'] Exploring Operation: 23-1=22, Resulting Numbers: [4, 22] Generated Node #0,1,0: 77:[4, 22] Operation: 23-1=22 Exploring Operation: 23-4=19, Resulting Numbers: [1, 19] Generated Node #0,1,1: 77:[1, 19] Operation: 23-4=19 Moving to Node #0,0 Current State: 77:[23, 4, 0], Operations: ['57-57=0'] Exploring Operation: 23-4=19, Resulting Numbers: [0, 19] Generated Node #0,0,0: 77:[0, 19] Operation: 23-4=19 Exploring Operation: 23*0=0, Resulting Numbers: [4, 0] Generated Node #0,0,1: 77:[4, 0] Operation: 23*0=0 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 77:[4, 0], Operations: ['57-57=0', '23*0=0'] Exploring Operation: 4-0=4, Resulting Numbers: [4] 4,77 unequal: No Solution Exploring Operation: 4+0=4, Resulting Numbers: [4] 4,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 77:[0, 19], Operations: ['57-57=0', '23-4=19'] Exploring Operation: 0+19=19, Resulting Numbers: [19] 19,77 unequal: No Solution Exploring Operation: 0*19=0, Resulting Numbers: [0] 0,77 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: 77:[4, 22], Operations: ['57/57=1', '23-1=22'] Exploring Operation: 4*22=88, Resulting Numbers: [88] 88,77 unequal: No Solution Exploring Operation: 22-4=18, Resulting Numbers: [18] 18,77 unequal: No Solution Moving to Node #0,1,1 Current State: 77:[1, 19], Operations: ['57/57=1', '23-4=19'] Exploring Operation: 1*19=19, Resulting Numbers: [19] 19,77 unequal: No Solution Exploring Operation: 19-1=18, Resulting Numbers: [18] 18,77 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 64, 81, 22, 94 ]
89
[ "81-64=17", "94-22=72", "17+72=89" ]
Current State: 89:[64, 81, 22, 94], Operations: [] Exploring Operation: 81-64=17, Resulting Numbers: [22, 94, 17] Generated Node #2: [22, 94, 17] from Operation: 81-64=17 Current State: 89:[22, 94, 17], Operations: ['81-64=17'] Exploring Operation: 94-22=72, Resulting Numbers: [17, 72] Generated Node #3: [17, 72] from Operation: 94-22=72 Current State: 89:[17, 72], Operations: ['81-64=17', '94-22=72'] Exploring Operation: 17+72=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
4
Current State: 89:[64, 81, 22, 94], Operations: [] Exploring Operation: 81+22=103, Resulting Numbers: [64, 94, 103] Generated Node #0,0: 89:[64, 94, 103] Operation: 81+22=103 Exploring Operation: 64+22=86, Resulting Numbers: [81, 94, 86] Generated Node #0,1: 89:[81, 94, 86] Operation: 64+22=86 Moving to Node #0,1 Current State: 89:[81, 94, 86], Operations: ['64+22=86'] Exploring Operation: 94-81=13, Resulting Numbers: [86, 13] Generated Node #0,1,0: 89:[86, 13] Operation: 94-81=13 Exploring Operation: 81+86=167, Resulting Numbers: [94, 167] Generated Node #0,1,1: 89:[94, 167] Operation: 81+86=167 Moving to Node #0,0 Current State: 89:[64, 94, 103], Operations: ['81+22=103'] Exploring Operation: 94-64=30, Resulting Numbers: [103, 30] Generated Node #0,0,0: 89:[103, 30] Operation: 94-64=30 Exploring Operation: 103-64=39, Resulting Numbers: [94, 39] Generated Node #0,0,1: 89:[94, 39] Operation: 103-64=39 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 89:[94, 39], Operations: ['81+22=103', '103-64=39'] Exploring Operation: 94-39=55, Resulting Numbers: [55] 55,89 unequal: No Solution Exploring Operation: 94+39=133, Resulting Numbers: [133] 133,89 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:[103, 30], Operations: ['81+22=103', '94-64=30'] Exploring Operation: 103+30=133, Resulting Numbers: [133] 133,89 unequal: No Solution Exploring Operation: 103-30=73, Resulting Numbers: [73] 73,89 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: 89:[86, 13], Operations: ['64+22=86', '94-81=13'] Exploring Operation: 86-13=73, Resulting Numbers: [73] 73,89 unequal: No Solution Exploring Operation: 86+13=99, Resulting Numbers: [99] 99,89 unequal: No Solution Moving to Node #0,1,1 Current State: 89:[94, 167], Operations: ['64+22=86', '81+86=167'] Exploring Operation: 94+167=261, Resulting Numbers: [261] 261,89 unequal: No Solution Exploring Operation: 167-94=73, Resulting Numbers: [73] 73,89 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 58, 39, 26, 8 ]
37
[ "58-39=19", "26-8=18", "19+18=37" ]
Current State: 37:[58, 39, 26, 8], Operations: [] Exploring Operation: 58-39=19, Resulting Numbers: [26, 8, 19] Generated Node #2: [26, 8, 19] from Operation: 58-39=19 Current State: 37:[26, 8, 19], Operations: ['58-39=19'] Exploring Operation: 26-8=18, Resulting Numbers: [19, 18] Generated Node #3: [19, 18] from Operation: 26-8=18 Current State: 37:[19, 18], Operations: ['58-39=19', '26-8=18'] Exploring Operation: 19+18=37, Resulting Numbers: [37] 37,37 equal: Goal Reached
4
Current State: 37:[58, 39, 26, 8], Operations: [] Exploring Operation: 58-8=50, Resulting Numbers: [39, 26, 50] Generated Node #0,0: 37:[39, 26, 50] Operation: 58-8=50 Start Sub Search at level 1: Moving to Node #0,0 Current State: 37:[39, 26, 50], Operations: ['58-8=50'] Exploring Operation: 50-26=24, Resulting Numbers: [39, 24] Generated Node #0,0,0: 37:[39, 24] Operation: 50-26=24 Moving to Node #0,0,0 Current State: 37:[39, 24], Operations: ['58-8=50', '50-26=24'] Exploring Operation: 39-24=15, Resulting Numbers: [15] 15,37 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
[ 55, 96, 90, 32 ]
81
[ "96-55=41", "90+32=122", "122-41=81" ]
Current State: 81:[55, 96, 90, 32], Operations: [] Exploring Operation: 96-55=41, Resulting Numbers: [90, 32, 41] Generated Node #2: [90, 32, 41] from Operation: 96-55=41 Current State: 81:[90, 32, 41], Operations: ['96-55=41'] Exploring Operation: 90+32=122, Resulting Numbers: [41, 122] Generated Node #3: [41, 122] from Operation: 90+32=122 Current State: 81:[41, 122], Operations: ['96-55=41', '90+32=122'] Exploring Operation: 122-41=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[55, 96, 90, 32], Operations: [] Exploring Operation: 90-55=35, Resulting Numbers: [96, 32, 35] Generated Node #0,0: 81:[96, 32, 35] Operation: 90-55=35 Exploring Operation: 96-55=41, Resulting Numbers: [90, 32, 41] Generated Node #0,1: 81:[90, 32, 41] Operation: 96-55=41 Start Sub Search at level 1: Moving to Node #0,0 Current State: 81:[96, 32, 35], Operations: ['90-55=35'] Exploring Operation: 35-32=3, Resulting Numbers: [96, 3] Generated Node #0,0,0: 81:[96, 3] Operation: 35-32=3 Exploring Operation: 96/32=3, Resulting Numbers: [35, 3] Generated Node #0,0,1: 81:[35, 3] Operation: 96/32=3 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 81:[35, 3], Operations: ['90-55=35', '96/32=3'] Exploring Operation: 35+3=38, Resulting Numbers: [38] 38,81 unequal: No Solution Exploring Operation: 35-3=32, Resulting Numbers: [32] 32,81 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 #0,0,0 Current State: 81:[96, 3], Operations: ['90-55=35', '35-32=3'] Exploring Operation: 96-3=93, Resulting Numbers: [93] 93,81 unequal: No Solution Exploring Operation: 96/3=32, Resulting Numbers: [32] 32,81 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 #0,1 Current State: 81:[90, 32, 41], Operations: ['96-55=41'] Exploring Operation: 41-32=9, Resulting Numbers: [90, 9] Generated Node #0,1,0: 81:[90, 9] Operation: 41-32=9 Exploring Operation: 32+41=73, Resulting Numbers: [90, 73] Generated Node #0,1,1: 81:[90, 73] Operation: 32+41=73 Moving to Node #0,1,0 Current State: 81:[90, 9], Operations: ['96-55=41', '41-32=9'] Exploring Operation: 90-9=81, Resulting Numbers: [81] 81,81 equal: Goal Reached Moving to Node #0 Current State: 81:[55, 96, 90, 32], Operations: [] Exploring Operation: 96-55=41, Resulting Numbers: [90, 32, 41] Generated Node #0,1: 81:[90, 32, 41] Operation: 96-55=41 Moving to Node #0,1 Current State: 81:[90, 32, 41], Operations: ['96-55=41'] Exploring Operation: 41-32=9, Resulting Numbers: [90, 9] Generated Node #0,1,0: 81:[90, 9] Operation: 41-32=9 Moving to Node #0,1,0 Current State: 81:[90, 9], Operations: ['96-55=41', '41-32=9'] Exploring Operation: 90-9=81, Resulting Numbers: [81] 81,81 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_2
mult_heuristic
[ 99, 71, 49, 3 ]
63
[ "99-71=28", "49-28=21", "3*21=63" ]
Current State: 63:[99, 71, 49, 3], Operations: [] Exploring Operation: 99-71=28, Resulting Numbers: [49, 3, 28] Generated Node #2: [49, 3, 28] from Operation: 99-71=28 Current State: 63:[49, 3, 28], Operations: ['99-71=28'] Exploring Operation: 49-28=21, Resulting Numbers: [3, 21] Generated Node #3: [3, 21] from Operation: 49-28=21 Current State: 63:[3, 21], Operations: ['99-71=28', '49-28=21'] Exploring Operation: 3*21=63, Resulting Numbers: [63] 63,63 equal: Goal Reached
4
Current State: 63:[99, 71, 49, 3], Operations: [] Exploring Operation: 99-71=28, Resulting Numbers: [49, 3, 28] Generated Node #0,0: 63:[49, 3, 28] Operation: 99-71=28 Exploring Operation: 99-49=50, Resulting Numbers: [71, 3, 50] Generated Node #0,1: 63:[71, 3, 50] Operation: 99-49=50 Start Sub Search at level 1: Moving to Node #0,0 Current State: 63:[49, 3, 28], Operations: ['99-71=28'] Exploring Operation: 49-28=21, Resulting Numbers: [3, 21] Generated Node #0,0,0: 63:[3, 21] Operation: 49-28=21 Exploring Operation: 49+28=77, Resulting Numbers: [3, 77] Generated Node #0,0,1: 63:[3, 77] Operation: 49+28=77 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 63:[3, 21], Operations: ['99-71=28', '49-28=21'] Exploring Operation: 21/3=7, Resulting Numbers: [7] 7,63 unequal: No Solution Exploring Operation: 3*21=63, Resulting Numbers: [63] 63,63 equal: Goal Reached Moving to Node #0 Current State: 63:[99, 71, 49, 3], Operations: [] Exploring Operation: 99-71=28, Resulting Numbers: [49, 3, 28] Generated Node #0,0: 63:[49, 3, 28] Operation: 99-71=28 Moving to Node #0,0 Current State: 63:[49, 3, 28], Operations: ['99-71=28'] Exploring Operation: 49-28=21, Resulting Numbers: [3, 21] Generated Node #0,0,0: 63:[3, 21] Operation: 49-28=21 Moving to Node #0,0,0 Current State: 63:[3, 21], Operations: ['99-71=28', '49-28=21'] Exploring Operation: 3*21=63, Resulting Numbers: [63] 63,63 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.991319
hs_2
mult_heuristic
[ 64, 48, 87, 72 ]
97
[ "64+48=112", "87-72=15", "112-15=97" ]
Current State: 97:[64, 48, 87, 72], Operations: [] Exploring Operation: 64+48=112, Resulting Numbers: [87, 72, 112] Generated Node #2: [87, 72, 112] from Operation: 64+48=112 Current State: 97:[87, 72, 112], Operations: ['64+48=112'] Exploring Operation: 87-72=15, Resulting Numbers: [112, 15] Generated Node #3: [112, 15] from Operation: 87-72=15 Current State: 97:[112, 15], Operations: ['64+48=112', '87-72=15'] Exploring Operation: 112-15=97, Resulting Numbers: [97] 97,97 equal: Goal Reached
4
Current State: 97:[64, 48, 87, 72], Operations: [] Exploring Operation: 48+72=120, Resulting Numbers: [64, 87, 120] Generated Node #0,0: 97:[64, 87, 120] Operation: 48+72=120 Exploring Operation: 64+48=112, Resulting Numbers: [87, 72, 112] Generated Node #0,1: 97:[87, 72, 112] Operation: 64+48=112 Exploring Operation: 48+87=135, Resulting Numbers: [64, 72, 135] Generated Node #0,2: 97:[64, 72, 135] Operation: 48+87=135 Moving to Node #0,1 Current State: 97:[87, 72, 112], Operations: ['64+48=112'] Exploring Operation: 87-72=15, Resulting Numbers: [112, 15] Generated Node #0,1,0: 97:[112, 15] Operation: 87-72=15 Exploring Operation: 112-72=40, Resulting Numbers: [87, 40] Generated Node #0,1,1: 97:[87, 40] Operation: 112-72=40 Exploring Operation: 87+72=159, Resulting Numbers: [112, 159] Generated Node #0,1,2: 97:[112, 159] Operation: 87+72=159 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 97:[87, 40], Operations: ['64+48=112', '112-72=40'] Exploring Operation: 87*40=3480, Resulting Numbers: [3480] 3480,97 unequal: No Solution Exploring Operation: 87+40=127, Resulting Numbers: [127] 127,97 unequal: No Solution Exploring Operation: 87-40=47, Resulting Numbers: [47] 47,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 97:[112, 159], Operations: ['64+48=112', '87+72=159'] Exploring Operation: 112+159=271, Resulting Numbers: [271] 271,97 unequal: No Solution Exploring Operation: 159-112=47, Resulting Numbers: [47] 47,97 unequal: No Solution Exploring Operation: 112*159=17808, Resulting Numbers: [17808] 17808,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 97:[112, 15], Operations: ['64+48=112', '87-72=15'] Exploring Operation: 112*15=1680, Resulting Numbers: [1680] 1680,97 unequal: No Solution Exploring Operation: 112+15=127, Resulting Numbers: [127] 127,97 unequal: No Solution Exploring Operation: 112-15=97, Resulting Numbers: [97] 97,97 equal: Goal Reached Moving to Node #0 Current State: 97:[64, 48, 87, 72], Operations: [] Exploring Operation: 64+48=112, Resulting Numbers: [87, 72, 112] Generated Node #0,1: 97:[87, 72, 112] Operation: 64+48=112 Moving to Node #0,1 Current State: 97:[87, 72, 112], Operations: ['64+48=112'] Exploring Operation: 87-72=15, Resulting Numbers: [112, 15] Generated Node #0,1,0: 97:[112, 15] Operation: 87-72=15 Moving to Node #0,1,0 Current State: 97:[112, 15], Operations: ['64+48=112', '87-72=15'] Exploring Operation: 112-15=97, Resulting Numbers: [97] 97,97 equal: Goal Reached Exit Sub Search at level 1
0.983507
hs_3
mult_heuristic
[ 93, 20, 20, 23 ]
11
[ "23-20=3", "93/3=31", "31-20=11" ]
Current State: 11:[93, 20, 20, 23], Operations: [] Exploring Operation: 23-20=3, Resulting Numbers: [93, 3] Generated Node #2: [93, 3] from Operation: 23-20=3 Current State: 11:[93, 3], Operations: ['23-20=3'] Exploring Operation: 93/3=31, Resulting Numbers: [31] 31,11 equal: Goal Reached Exploring Operation: 31-20=11, Resulting Numbers: [11] 11,11 equal: Goal Reached
4
Current State: 11:[93, 20, 20, 23], Operations: [] Exploring Operation: 93-23=70, Resulting Numbers: [20, 20, 70] Generated Node #0,0: 11:[20, 20, 70] Operation: 93-23=70 Exploring Operation: 93-20=73, Resulting Numbers: [20, 23, 73] Generated Node #0,1: 11:[20, 23, 73] Operation: 93-20=73 Exploring Operation: 93-20=73, Resulting Numbers: [20, 23, 73] Generated Node #0,2: 11:[20, 23, 73] Operation: 93-20=73 Moving to Node #0,0 Current State: 11:[20, 20, 70], Operations: ['93-23=70'] Exploring Operation: 20/20=1, Resulting Numbers: [70, 1] Generated Node #0,0,0: 11:[70, 1] Operation: 20/20=1 Exploring Operation: 70-20=50, Resulting Numbers: [20, 50] Generated Node #0,0,1: 11:[20, 50] Operation: 70-20=50 Exploring Operation: 70-20=50, Resulting Numbers: [20, 50] Generated Node #0,0,2: 11:[20, 50] Operation: 70-20=50 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 11:[20, 50], Operations: ['93-23=70', '70-20=50'] Exploring Operation: 20*50=1000, Resulting Numbers: [1000] 1000,11 unequal: No Solution Exploring Operation: 50-20=30, Resulting Numbers: [30] 30,11 unequal: No Solution Exploring Operation: 20+50=70, Resulting Numbers: [70] 70,11 unequal: No Solution No 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: 11:[20, 50], Operations: ['93-23=70', '70-20=50'] Exploring Operation: 20*50=1000, Resulting Numbers: [1000] 1000,11 unequal: No Solution Exploring Operation: 50-20=30, Resulting Numbers: [30] 30,11 unequal: No Solution Exploring Operation: 20+50=70, Resulting Numbers: [70] 70,11 unequal: No Solution No 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: 11:[70, 1], Operations: ['93-23=70', '20/20=1'] Exploring Operation: 70*1=70, Resulting Numbers: [70] 70,11 unequal: No Solution Exploring Operation: 70/1=70, Resulting Numbers: [70] 70,11 unequal: No Solution Exploring Operation: 70-1=69, Resulting Numbers: [69] 69,11 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: 11:[20, 23, 73], Operations: ['93-20=73'] Exploring Operation: 73-23=50, Resulting Numbers: [20, 50] Generated Node #0,1,0: 11:[20, 50] Operation: 73-23=50 Exploring Operation: 73-20=53, Resulting Numbers: [23, 53] Generated Node #0,1,1: 11:[23, 53] Operation: 73-20=53 Exploring Operation: 23-20=3, Resulting Numbers: [73, 3] Generated Node #0,1,2: 11:[73, 3] Operation: 23-20=3 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 11:[20, 50], Operations: ['93-20=73', '73-23=50'] Exploring Operation: 50-20=30, Resulting Numbers: [30] 30,11 unequal: No Solution Exploring Operation: 20*50=1000, Resulting Numbers: [1000] 1000,11 unequal: No Solution Exploring Operation: 20+50=70, Resulting Numbers: [70] 70,11 unequal: No Solution No 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: 11:[23, 53], Operations: ['93-20=73', '73-20=53'] Exploring Operation: 23*53=1219, Resulting Numbers: [1219] 1219,11 unequal: No Solution Exploring Operation: 53-23=30, Resulting Numbers: [30] 30,11 unequal: No Solution Exploring Operation: 23+53=76, Resulting Numbers: [76] 76,11 unequal: No Solution No 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: 11:[73, 3], Operations: ['93-20=73', '23-20=3'] Exploring Operation: 73-3=70, Resulting Numbers: [70] 70,11 unequal: No Solution Exploring Operation: 73*3=219, Resulting Numbers: [219] 219,11 unequal: No Solution Exploring Operation: 73+3=76, Resulting Numbers: [76] 76,11 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: 11:[20, 23, 73], Operations: ['93-20=73'] Exploring Operation: 73-23=50, Resulting Numbers: [20, 50] Generated Node #0,2,0: 11:[20, 50] Operation: 73-23=50 Exploring Operation: 23-20=3, Resulting Numbers: [73, 3] Generated Node #0,2,1: 11:[73, 3] Operation: 23-20=3 Exploring Operation: 73-20=53, Resulting Numbers: [23, 53] Generated Node #0,2,2: 11:[23, 53] Operation: 73-20=53 Moving to Node #0,2,0 Current State: 11:[20, 50], Operations: ['93-20=73', '73-23=50'] Exploring Operation: 50-20=30, Resulting Numbers: [30] 30,11 unequal: No Solution Exploring Operation: 20*50=1000, Resulting Numbers: [1000] 1000,11 unequal: No Solution Exploring Operation: 20+50=70, Resulting Numbers: [70] 70,11 unequal: No Solution Moving to Node #0,2,2 Current State: 11:[23, 53], Operations: ['93-20=73', '73-20=53'] Exploring Operation: 53-23=30, Resulting Numbers: [30] 30,11 unequal: No Solution Exploring Operation: 23*53=1219, Resulting Numbers: [1219] 1219,11 unequal: No Solution Exploring Operation: 23+53=76, Resulting Numbers: [76] 76,11 unequal: No Solution Moving to Node #0,2,1 Current State: 11:[73, 3], Operations: ['93-20=73', '23-20=3'] Exploring Operation: 73+3=76, Resulting Numbers: [76] 76,11 unequal: No Solution Exploring Operation: 73-3=70, Resulting Numbers: [70] 70,11 unequal: No Solution Exploring Operation: 73*3=219, Resulting Numbers: [219] 219,11 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 46, 11, 84, 33 ]
60
[ "46+11=57", "84+33=117", "117-57=60" ]
Current State: 60:[46, 11, 84, 33], Operations: [] Exploring Operation: 46+11=57, Resulting Numbers: [84, 33, 57] Generated Node #2: [84, 33, 57] from Operation: 46+11=57 Current State: 60:[84, 33, 57], Operations: ['46+11=57'] Exploring Operation: 84+33=117, Resulting Numbers: [57, 117] Generated Node #3: [57, 117] from Operation: 84+33=117 Current State: 60:[57, 117], Operations: ['46+11=57', '84+33=117'] Exploring Operation: 117-57=60, Resulting Numbers: [60] 60,60 equal: Goal Reached
4
Current State: 60:[46, 11, 84, 33], Operations: [] Exploring Operation: 84-46=38, Resulting Numbers: [11, 33, 38] Generated Node #0,0: 60:[11, 33, 38] Operation: 84-46=38 Moving to Node #0,0 Current State: 60:[11, 33, 38], Operations: ['84-46=38'] Exploring Operation: 38-33=5, Resulting Numbers: [11, 5] Generated Node #0,0,0: 60:[11, 5] Operation: 38-33=5 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 60:[11, 5], Operations: ['84-46=38', '38-33=5'] Exploring Operation: 11-5=6, Resulting Numbers: [6] 6,60 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 83, 51, 20, 1 ]
52
[ "83-51=32", "20*1=20", "32+20=52" ]
Current State: 52:[83, 51, 20, 1], Operations: [] Exploring Operation: 83-51=32, Resulting Numbers: [20, 1, 32] Generated Node #2: [20, 1, 32] from Operation: 83-51=32 Current State: 52:[20, 1, 32], Operations: ['83-51=32'] Exploring Operation: 20*1=20, Resulting Numbers: [32, 20] Generated Node #3: [32, 20] from Operation: 20*1=20 Current State: 52:[32, 20], Operations: ['83-51=32', '20*1=20'] Exploring Operation: 32+20=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[83, 51, 20, 1], Operations: [] Exploring Operation: 51+1=52, Resulting Numbers: [83, 20, 52] Generated Node #0,0: 52:[83, 20, 52] Operation: 51+1=52 Exploring Operation: 83-20=63, Resulting Numbers: [51, 1, 63] Generated Node #0,1: 52:[51, 1, 63] Operation: 83-20=63 Exploring Operation: 83-1=82, Resulting Numbers: [51, 20, 82] Generated Node #0,2: 52:[51, 20, 82] Operation: 83-1=82 Exploring Operation: 51-20=31, Resulting Numbers: [83, 1, 31] Generated Node #0,3: 52:[83, 1, 31] Operation: 51-20=31 Exploring Operation: 83-51=32, Resulting Numbers: [20, 1, 32] Generated Node #0,4: 52:[20, 1, 32] Operation: 83-51=32 Start Sub Search at level 1: Moving to Node #0,1 Current State: 52:[51, 1, 63], Operations: ['83-20=63'] Exploring Operation: 51/1=51, Resulting Numbers: [63, 51] Generated Node #0,1,0: 52:[63, 51] Operation: 51/1=51 Exploring Operation: 51+1=52, Resulting Numbers: [63, 52] Generated Node #0,1,1: 52:[63, 52] Operation: 51+1=52 Exploring Operation: 63-1=62, Resulting Numbers: [51, 62] Generated Node #0,1,2: 52:[51, 62] Operation: 63-1=62 Exploring Operation: 51*1=51, Resulting Numbers: [63, 51] Generated Node #0,1,3: 52:[63, 51] Operation: 51*1=51 Exploring Operation: 63-51=12, Resulting Numbers: [1, 12] Generated Node #0,1,4: 52:[1, 12] Operation: 63-51=12 Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 52:[1, 12], Operations: ['83-20=63', '63-51=12'] Exploring Operation: 12-1=11, Resulting Numbers: [11] 11,52 unequal: No Solution Exploring Operation: 12/1=12, Resulting Numbers: [12] 12,52 unequal: No Solution Exploring Operation: 1+12=13, Resulting Numbers: [13] 13,52 unequal: No Solution Exploring Operation: 1*12=12, Resulting Numbers: [12] 12,52 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 52:[63, 52], Operations: ['83-20=63', '51+1=52'] Exploring Operation: 63+52=115, Resulting Numbers: [115] 115,52 unequal: No Solution Exploring Operation: 63*52=3276, Resulting Numbers: [3276] 3276,52 unequal: No Solution Exploring Operation: 63-52=11, Resulting Numbers: [11] 11,52 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 52:[51, 62], Operations: ['83-20=63', '63-1=62'] Exploring Operation: 51*62=3162, Resulting Numbers: [3162] 3162,52 unequal: No Solution Exploring Operation: 62-51=11, Resulting Numbers: [11] 11,52 unequal: No Solution Exploring Operation: 51+62=113, Resulting Numbers: [113] 113,52 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 52:[63, 51], Operations: ['83-20=63', '51/1=51'] Exploring Operation: 63-51=12, Resulting Numbers: [12] 12,52 unequal: No Solution Exploring Operation: 63+51=114, Resulting Numbers: [114] 114,52 unequal: No Solution Exploring Operation: 63*51=3213, Resulting Numbers: [3213] 3213,52 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 52:[63, 51], Operations: ['83-20=63', '51*1=51'] Exploring Operation: 63*51=3213, Resulting Numbers: [3213] 3213,52 unequal: No Solution Exploring Operation: 63-51=12, Resulting Numbers: [12] 12,52 unequal: No Solution Exploring Operation: 63+51=114, Resulting Numbers: [114] 114,52 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 52:[20, 1, 32], Operations: ['83-51=32'] Exploring Operation: 20+1=21, Resulting Numbers: [32, 21] Generated Node #0,4,0: 52:[32, 21] Operation: 20+1=21 Exploring Operation: 20*1=20, Resulting Numbers: [32, 20] Generated Node #0,4,1: 52:[32, 20] Operation: 20*1=20 Exploring Operation: 32-20=12, Resulting Numbers: [1, 12] Generated Node #0,4,2: 52:[1, 12] Operation: 32-20=12 Exploring Operation: 32-1=31, Resulting Numbers: [20, 31] Generated Node #0,4,3: 52:[20, 31] Operation: 32-1=31 Exploring Operation: 20+32=52, Resulting Numbers: [1, 52] Generated Node #0,4,4: 52:[1, 52] Operation: 20+32=52 Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 52:[1, 52], Operations: ['83-51=32', '20+32=52'] Exploring Operation: 52-1=51, Resulting Numbers: [51] 51,52 unequal: No Solution Exploring Operation: 1+52=53, Resulting Numbers: [53] 53,52 unequal: No Solution Exploring Operation: 1*52=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Moving to Node #0 Current State: 52:[83, 51, 20, 1], Operations: [] Exploring Operation: 83-51=32, Resulting Numbers: [20, 1, 32] Generated Node #0,4: 52:[20, 1, 32] Operation: 83-51=32 Moving to Node #0,4 Current State: 52:[20, 1, 32], Operations: ['83-51=32'] Exploring Operation: 20+32=52, Resulting Numbers: [1, 52] Generated Node #0,4,4: 52:[1, 52] Operation: 20+32=52 Moving to Node #0,4,4 Current State: 52:[1, 52], Operations: ['83-51=32', '20+32=52'] Exploring Operation: 1*52=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.967014
hs_5
sum_heuristic
[ 50, 18, 68, 14 ]
67
[ "18-14=4", "68/4=17", "50+17=67" ]
Current State: 67:[50, 18, 68, 14], Operations: [] Exploring Operation: 18-14=4, Resulting Numbers: [50, 68, 4] Generated Node #2: [50, 68, 4] from Operation: 18-14=4 Current State: 67:[50, 68, 4], Operations: ['18-14=4'] Exploring Operation: 68/4=17, Resulting Numbers: [50, 17] Generated Node #3: [50, 17] from Operation: 68/4=17 Current State: 67:[50, 17], Operations: ['18-14=4', '68/4=17'] Exploring Operation: 50+17=67, Resulting Numbers: [67] 67,67 equal: Goal Reached
4
Current State: 67:[50, 18, 68, 14], Operations: [] Exploring Operation: 50+18=68, Resulting Numbers: [68, 14, 68] Generated Node #0,0: 67:[68, 14, 68] Operation: 50+18=68 Exploring Operation: 18+14=32, Resulting Numbers: [50, 68, 32] Generated Node #0,1: 67:[50, 68, 32] Operation: 18+14=32 Exploring Operation: 50+14=64, Resulting Numbers: [18, 68, 64] Generated Node #0,2: 67:[18, 68, 64] Operation: 50+14=64 Start Sub Search at level 1: Moving to Node #0,1 Current State: 67:[50, 68, 32], Operations: ['18+14=32'] Exploring Operation: 50+32=82, Resulting Numbers: [68, 82] Generated Node #0,1,0: 67:[68, 82] Operation: 50+32=82 Exploring Operation: 50-32=18, Resulting Numbers: [68, 18] Generated Node #0,1,1: 67:[68, 18] Operation: 50-32=18 Exploring Operation: 68-32=36, Resulting Numbers: [50, 36] Generated Node #0,1,2: 67:[50, 36] Operation: 68-32=36 Moving to Node #0,1,0 Current State: 67:[68, 82], Operations: ['18+14=32', '50+32=82'] Exploring Operation: 82-68=14, Resulting Numbers: [14] 14,67 unequal: No Solution Exploring Operation: 68*82=5576, Resulting Numbers: [5576] 5576,67 unequal: No Solution Exploring Operation: 68+82=150, Resulting Numbers: [150] 150,67 unequal: No Solution Moving to Node #0,1,2 Current State: 67:[50, 36], Operations: ['18+14=32', '68-32=36'] Exploring Operation: 50-36=14, Resulting Numbers: [14] 14,67 unequal: No Solution Exploring Operation: 50*36=1800, Resulting Numbers: [1800] 1800,67 unequal: No Solution Exploring Operation: 50+36=86, Resulting Numbers: [86] 86,67 unequal: No Solution Moving to Node #0,1,1 Current State: 67:[68, 18], Operations: ['18+14=32', '50-32=18'] Exploring Operation: 68+18=86, Resulting Numbers: [86] 86,67 unequal: No Solution Exploring Operation: 68-18=50, Resulting Numbers: [50] 50,67 unequal: No Solution Exploring Operation: 68*18=1224, Resulting Numbers: [1224] 1224,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 67:[18, 68, 64], Operations: ['50+14=64'] Exploring Operation: 68-18=50, Resulting Numbers: [64, 50] Generated Node #0,2,0: 67:[64, 50] Operation: 68-18=50 Exploring Operation: 18+64=82, Resulting Numbers: [68, 82] Generated Node #0,2,1: 67:[68, 82] Operation: 18+64=82 Exploring Operation: 18+68=86, Resulting Numbers: [64, 86] Generated Node #0,2,2: 67:[64, 86] Operation: 18+68=86 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 67:[68, 82], Operations: ['50+14=64', '18+64=82'] Exploring Operation: 68+82=150, Resulting Numbers: [150] 150,67 unequal: No Solution Exploring Operation: 68*82=5576, Resulting Numbers: [5576] 5576,67 unequal: No Solution Exploring Operation: 82-68=14, Resulting Numbers: [14] 14,67 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 67:[64, 50], Operations: ['50+14=64', '68-18=50'] Exploring Operation: 64*50=3200, Resulting Numbers: [3200] 3200,67 unequal: No Solution Exploring Operation: 64-50=14, Resulting Numbers: [14] 14,67 unequal: No Solution Exploring Operation: 64+50=114, Resulting Numbers: [114] 114,67 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 67:[64, 86], Operations: ['50+14=64', '18+68=86'] Exploring Operation: 64+86=150, Resulting Numbers: [150] 150,67 unequal: No Solution Exploring Operation: 86-64=22, Resulting Numbers: [22] 22,67 unequal: No Solution Exploring Operation: 64*86=5504, Resulting Numbers: [5504] 5504,67 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 67:[68, 14, 68], Operations: ['50+18=68'] Exploring Operation: 68+14=82, Resulting Numbers: [68, 82] Generated Node #0,0,0: 67:[68, 82] Operation: 68+14=82 Exploring Operation: 68-14=54, Resulting Numbers: [68, 54] Generated Node #0,0,1: 67:[68, 54] Operation: 68-14=54 Exploring Operation: 68-14=54, Resulting Numbers: [68, 54] Generated Node #0,0,2: 67:[68, 54] Operation: 68-14=54 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 67:[68, 54], Operations: ['50+18=68', '68-14=54'] Exploring Operation: 68-54=14, Resulting Numbers: [14] 14,67 unequal: No Solution Exploring Operation: 68+54=122, Resulting Numbers: [122] 122,67 unequal: No Solution Exploring Operation: 68*54=3672, Resulting Numbers: [3672] 3672,67 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 67:[68, 54], Operations: ['50+18=68', '68-14=54'] Exploring Operation: 68-54=14, Resulting Numbers: [14] 14,67 unequal: No Solution Exploring Operation: 68+54=122, Resulting Numbers: [122] 122,67 unequal: No Solution Exploring Operation: 68*54=3672, Resulting Numbers: [3672] 3672,67 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 67:[68, 82], Operations: ['50+18=68', '68+14=82'] Exploring Operation: 82-68=14, Resulting Numbers: [14] 14,67 unequal: No Solution Exploring Operation: 68*82=5576, Resulting Numbers: [5576] 5576,67 unequal: No Solution Exploring Operation: 68+82=150, Resulting Numbers: [150] 150,67 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
mult_heuristic
[ 40, 96, 44, 78 ]
14
[ "40+96=136", "44+78=122", "136-122=14" ]
Current State: 14:[40, 96, 44, 78], Operations: [] Exploring Operation: 40+96=136, Resulting Numbers: [44, 78, 136] Generated Node #2: [44, 78, 136] from Operation: 40+96=136 Current State: 14:[44, 78, 136], Operations: ['40+96=136'] Exploring Operation: 44+78=122, Resulting Numbers: [136, 122] Generated Node #3: [136, 122] from Operation: 44+78=122 Current State: 14:[136, 122], Operations: ['40+96=136', '44+78=122'] Exploring Operation: 136-122=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
4
Current State: 14:[40, 96, 44, 78], Operations: [] Exploring Operation: 96-78=18, Resulting Numbers: [40, 44, 18] Generated Node #0,0: 14:[40, 44, 18] Operation: 96-78=18 Start Sub Search at level 1: Moving to Node #0,0 Current State: 14:[40, 44, 18], Operations: ['96-78=18'] Exploring Operation: 44-40=4, Resulting Numbers: [18, 4] Generated Node #0,0,0: 14:[18, 4] Operation: 44-40=4 Moving to Node #0,0,0 Current State: 14:[18, 4], Operations: ['96-78=18', '44-40=4'] Exploring Operation: 18-4=14, Resulting Numbers: [14] 14,14 equal: Goal Reached Moving to Node #0 Current State: 14:[40, 96, 44, 78], Operations: [] Exploring Operation: 96-78=18, Resulting Numbers: [40, 44, 18] Generated Node #0,0: 14:[40, 44, 18] Operation: 96-78=18 Moving to Node #0,0 Current State: 14:[40, 44, 18], Operations: ['96-78=18'] Exploring Operation: 44-40=4, Resulting Numbers: [18, 4] Generated Node #0,0,0: 14:[18, 4] Operation: 44-40=4 Moving to Node #0,0,0 Current State: 14:[18, 4], Operations: ['96-78=18', '44-40=4'] Exploring Operation: 18-4=14, Resulting Numbers: [14] 14,14 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 47, 8, 44, 34 ]
94
[ "47-44=3", "34*3=102", "102-8=94" ]
Current State: 94:[47, 8, 44, 34], Operations: [] Exploring Operation: 47-44=3, Resulting Numbers: [8, 34, 3] Generated Node #2: [8, 34, 3] from Operation: 47-44=3 Current State: 94:[8, 34, 3], Operations: ['47-44=3'] Exploring Operation: 34*3=102, Resulting Numbers: [8, 102] Generated Node #3: [8, 102] from Operation: 34*3=102 Current State: 94:[8, 102], Operations: ['47-44=3', '34*3=102'] Exploring Operation: 102-8=94, Resulting Numbers: [94] 94,94 equal: Goal Reached
4
Current State: 94:[47, 8, 44, 34], Operations: [] Exploring Operation: 8+34=42, Resulting Numbers: [47, 44, 42] Generated Node #0,0: 94:[47, 44, 42] Operation: 8+34=42 Moving to Node #0,0 Current State: 94:[47, 44, 42], Operations: ['8+34=42'] Exploring Operation: 44-42=2, Resulting Numbers: [47, 2] Generated Node #0,0,0: 94:[47, 2] Operation: 44-42=2 Moving to Node #0,0,0 Current State: 94:[47, 2], Operations: ['8+34=42', '44-42=2'] Exploring Operation: 47*2=94, Resulting Numbers: [94] 94,94 equal: Goal Reached Moving to Node #0 Current State: 94:[47, 8, 44, 34], Operations: [] Exploring Operation: 8+34=42, Resulting Numbers: [47, 44, 42] Generated Node #0,0: 94:[47, 44, 42] Operation: 8+34=42 Moving to Node #0,0 Current State: 94:[47, 44, 42], Operations: ['8+34=42'] Exploring Operation: 44-42=2, Resulting Numbers: [47, 2] Generated Node #0,0,0: 94:[47, 2] Operation: 44-42=2 Moving to Node #0,0,0 Current State: 94:[47, 2], Operations: ['8+34=42', '44-42=2'] Exploring Operation: 47*2=94, Resulting Numbers: [94] 94,94 equal: Goal Reached
0.993924
hs_1
sum_heuristic
[ 50, 47, 84, 44 ]
42
[ "50+44=94", "47*84=3948", "3948/94=42" ]
Current State: 42:[50, 47, 84, 44], Operations: [] Exploring Operation: 50+44=94, Resulting Numbers: [47, 84, 94] Generated Node #2: [47, 84, 94] from Operation: 50+44=94 Current State: 42:[47, 84, 94], Operations: ['50+44=94'] Exploring Operation: 47*84=3948, Resulting Numbers: [94, 3948] Generated Node #3: [94, 3948] from Operation: 47*84=3948 Current State: 42:[94, 3948], Operations: ['50+44=94', '47*84=3948'] Exploring Operation: 3948/94=42, Resulting Numbers: [42] 42,42 equal: Goal Reached
4
Current State: 42:[50, 47, 84, 44], Operations: [] Exploring Operation: 84-50=34, Resulting Numbers: [47, 44, 34] Generated Node #0,0: 42:[47, 44, 34] Operation: 84-50=34 Exploring Operation: 84-44=40, Resulting Numbers: [50, 47, 40] Generated Node #0,1: 42:[50, 47, 40] Operation: 84-44=40 Exploring Operation: 84-47=37, Resulting Numbers: [50, 44, 37] Generated Node #0,2: 42:[50, 44, 37] Operation: 84-47=37 Start Sub Search at level 1: Moving to Node #0,0 Current State: 42:[47, 44, 34], Operations: ['84-50=34'] Exploring Operation: 47-44=3, Resulting Numbers: [34, 3] Generated Node #0,0,0: 42:[34, 3] Operation: 47-44=3 Exploring Operation: 44-34=10, Resulting Numbers: [47, 10] Generated Node #0,0,1: 42:[47, 10] Operation: 44-34=10 Exploring Operation: 47-34=13, Resulting Numbers: [44, 13] Generated Node #0,0,2: 42:[44, 13] Operation: 47-34=13 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 42:[44, 13], Operations: ['84-50=34', '47-34=13'] Exploring Operation: 44*13=572, Resulting Numbers: [572] 572,42 unequal: No Solution Exploring Operation: 44-13=31, Resulting Numbers: [31] 31,42 unequal: No Solution Exploring Operation: 44+13=57, Resulting Numbers: [57] 57,42 unequal: No Solution No 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: 42:[34, 3], Operations: ['84-50=34', '47-44=3'] Exploring Operation: 34-3=31, Resulting Numbers: [31] 31,42 unequal: No Solution Exploring Operation: 34*3=102, Resulting Numbers: [102] 102,42 unequal: No Solution Exploring Operation: 34+3=37, Resulting Numbers: [37] 37,42 unequal: No Solution No 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: 42:[47, 10], Operations: ['84-50=34', '44-34=10'] Exploring Operation: 47+10=57, Resulting Numbers: [57] 57,42 unequal: No Solution Exploring Operation: 47*10=470, Resulting Numbers: [470] 470,42 unequal: No Solution Exploring Operation: 47-10=37, Resulting Numbers: [37] 37,42 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: 42:[50, 47, 40], Operations: ['84-44=40'] Exploring Operation: 47-40=7, Resulting Numbers: [50, 7] Generated Node #0,1,0: 42:[50, 7] Operation: 47-40=7 Exploring Operation: 50-47=3, Resulting Numbers: [40, 3] Generated Node #0,1,1: 42:[40, 3] Operation: 50-47=3 Exploring Operation: 50-40=10, Resulting Numbers: [47, 10] Generated Node #0,1,2: 42:[47, 10] Operation: 50-40=10 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 42:[40, 3], Operations: ['84-44=40', '50-47=3'] Exploring Operation: 40+3=43, Resulting Numbers: [43] 43,42 unequal: No Solution Exploring Operation: 40-3=37, Resulting Numbers: [37] 37,42 unequal: No Solution Exploring Operation: 40*3=120, Resulting Numbers: [120] 120,42 unequal: No Solution No 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: 42:[50, 7], Operations: ['84-44=40', '47-40=7'] Exploring Operation: 50*7=350, Resulting Numbers: [350] 350,42 unequal: No Solution Exploring Operation: 50-7=43, Resulting Numbers: [43] 43,42 unequal: No Solution Exploring Operation: 50+7=57, Resulting Numbers: [57] 57,42 unequal: No Solution No 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: 42:[47, 10], Operations: ['84-44=40', '50-40=10'] Exploring Operation: 47-10=37, Resulting Numbers: [37] 37,42 unequal: No Solution Exploring Operation: 47*10=470, Resulting Numbers: [470] 470,42 unequal: No Solution Exploring Operation: 47+10=57, Resulting Numbers: [57] 57,42 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: 42:[50, 44, 37], Operations: ['84-47=37'] Exploring Operation: 44-37=7, Resulting Numbers: [50, 7] Generated Node #0,2,0: 42:[50, 7] Operation: 44-37=7 Exploring Operation: 50-37=13, Resulting Numbers: [44, 13] Generated Node #0,2,1: 42:[44, 13] Operation: 50-37=13 Exploring Operation: 50-44=6, Resulting Numbers: [37, 6] Generated Node #0,2,2: 42:[37, 6] Operation: 50-44=6 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 42:[44, 13], Operations: ['84-47=37', '50-37=13'] Exploring Operation: 44*13=572, Resulting Numbers: [572] 572,42 unequal: No Solution Exploring Operation: 44+13=57, Resulting Numbers: [57] 57,42 unequal: No Solution Exploring Operation: 44-13=31, Resulting Numbers: [31] 31,42 unequal: No Solution No 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: 42:[37, 6], Operations: ['84-47=37', '50-44=6'] Exploring Operation: 37+6=43, Resulting Numbers: [43] 43,42 unequal: No Solution Exploring Operation: 37-6=31, Resulting Numbers: [31] 31,42 unequal: No Solution Exploring Operation: 37*6=222, Resulting Numbers: [222] 222,42 unequal: No Solution No 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: 42:[50, 7], Operations: ['84-47=37', '44-37=7'] Exploring Operation: 50+7=57, Resulting Numbers: [57] 57,42 unequal: No Solution Exploring Operation: 50-7=43, Resulting Numbers: [43] 43,42 unequal: No Solution Exploring Operation: 50*7=350, Resulting Numbers: [350] 350,42 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
[ 32, 58, 93, 12 ]
55
[ "58-32=26", "93-12=81", "81-26=55" ]
Current State: 55:[32, 58, 93, 12], Operations: [] Exploring Operation: 58-32=26, Resulting Numbers: [93, 12, 26] Generated Node #2: [93, 12, 26] from Operation: 58-32=26 Current State: 55:[93, 12, 26], Operations: ['58-32=26'] Exploring Operation: 93-12=81, Resulting Numbers: [26, 81] Generated Node #3: [26, 81] from Operation: 93-12=81 Current State: 55:[26, 81], Operations: ['58-32=26', '93-12=81'] Exploring Operation: 81-26=55, Resulting Numbers: [55] 55,55 equal: Goal Reached
4
Current State: 55:[32, 58, 93, 12], Operations: [] Exploring Operation: 32-12=20, Resulting Numbers: [58, 93, 20] Generated Node #0,0: 55:[58, 93, 20] Operation: 32-12=20 Exploring Operation: 93-12=81, Resulting Numbers: [32, 58, 81] Generated Node #0,1: 55:[32, 58, 81] Operation: 93-12=81 Exploring Operation: 93-32=61, Resulting Numbers: [58, 12, 61] Generated Node #0,2: 55:[58, 12, 61] Operation: 93-32=61 Exploring Operation: 93-58=35, Resulting Numbers: [32, 12, 35] Generated Node #0,3: 55:[32, 12, 35] Operation: 93-58=35 Start Sub Search at level 1: Moving to Node #0,2 Current State: 55:[58, 12, 61], Operations: ['93-32=61'] Exploring Operation: 61-58=3, Resulting Numbers: [12, 3] Generated Node #0,2,0: 55:[12, 3] Operation: 61-58=3 Exploring Operation: 61-12=49, Resulting Numbers: [58, 49] Generated Node #0,2,1: 55:[58, 49] Operation: 61-12=49 Exploring Operation: 58+12=70, Resulting Numbers: [61, 70] Generated Node #0,2,2: 55:[61, 70] Operation: 58+12=70 Exploring Operation: 58-12=46, Resulting Numbers: [61, 46] Generated Node #0,2,3: 55:[61, 46] Operation: 58-12=46 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 55:[12, 3], Operations: ['93-32=61', '61-58=3'] Exploring Operation: 12+3=15, Resulting Numbers: [15] 15,55 unequal: No Solution Exploring Operation: 12*3=36, Resulting Numbers: [36] 36,55 unequal: No Solution Exploring Operation: 12/3=4, Resulting Numbers: [4] 4,55 unequal: No Solution Exploring Operation: 12-3=9, Resulting Numbers: [9] 9,55 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 55:[58, 49], Operations: ['93-32=61', '61-12=49'] Exploring Operation: 58-49=9, Resulting Numbers: [9] 9,55 unequal: No Solution Exploring Operation: 58*49=2842, Resulting Numbers: [2842] 2842,55 unequal: No Solution Exploring Operation: 58+49=107, Resulting Numbers: [107] 107,55 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 55:[61, 46], Operations: ['93-32=61', '58-12=46'] Exploring Operation: 61-46=15, Resulting Numbers: [15] 15,55 unequal: No Solution Exploring Operation: 61*46=2806, Resulting Numbers: [2806] 2806,55 unequal: No Solution Exploring Operation: 61+46=107, Resulting Numbers: [107] 107,55 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 55:[61, 70], Operations: ['93-32=61', '58+12=70'] Exploring Operation: 61+70=131, Resulting Numbers: [131] 131,55 unequal: No Solution Exploring Operation: 70-61=9, Resulting Numbers: [9] 9,55 unequal: No Solution Exploring Operation: 61*70=4270, Resulting Numbers: [4270] 4270,55 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 55:[32, 12, 35], Operations: ['93-58=35'] Exploring Operation: 12+35=47, Resulting Numbers: [32, 47] Generated Node #0,3,0: 55:[32, 47] Operation: 12+35=47 Exploring Operation: 35-32=3, Resulting Numbers: [12, 3] Generated Node #0,3,1: 55:[12, 3] Operation: 35-32=3 Exploring Operation: 32+35=67, Resulting Numbers: [12, 67] Generated Node #0,3,2: 55:[12, 67] Operation: 32+35=67 Exploring Operation: 32-12=20, Resulting Numbers: [35, 20] Generated Node #0,3,3: 55:[35, 20] Operation: 32-12=20 Moving to Node #0,3,1 Current State: 55:[12, 3], Operations: ['93-58=35', '35-32=3'] Exploring Operation: 12*3=36, Resulting Numbers: [36] 36,55 unequal: No Solution Exploring Operation: 12-3=9, Resulting Numbers: [9] 9,55 unequal: No Solution Exploring Operation: 12/3=4, Resulting Numbers: [4] 4,55 unequal: No Solution Exploring Operation: 12+3=15, Resulting Numbers: [15] 15,55 unequal: No Solution Moving to Node #0,3,2 Current State: 55:[12, 67], Operations: ['93-58=35', '32+35=67'] Exploring Operation: 67-12=55, Resulting Numbers: [55] 55,55 equal: Goal Reached Moving to Node #0 Current State: 55:[32, 58, 93, 12], Operations: [] Exploring Operation: 93-58=35, Resulting Numbers: [32, 12, 35] Generated Node #0,3: 55:[32, 12, 35] Operation: 93-58=35 Moving to Node #0,3 Current State: 55:[32, 12, 35], Operations: ['93-58=35'] Exploring Operation: 32+35=67, Resulting Numbers: [12, 67] Generated Node #0,3,2: 55:[12, 67] Operation: 32+35=67 Moving to Node #0,3,2 Current State: 55:[12, 67], Operations: ['93-58=35', '32+35=67'] Exploring Operation: 67-12=55, Resulting Numbers: [55] 55,55 equal: Goal Reached Exit Sub Search at level 1
0.970486
hs_4
sum_heuristic
[ 52, 30, 30, 12 ]
20
[ "52-30=22", "30+12=42", "42-22=20" ]
Current State: 20:[52, 30, 30, 12], Operations: [] Exploring Operation: 52-30=22, Resulting Numbers: [12, 22] Generated Node #2: [12, 22] from Operation: 52-30=22 Current State: 20:[12, 22], Operations: ['52-30=22'] Exploring Operation: 30+12=42, Resulting Numbers: [22, 42] Generated Node #3: [22, 42] from Operation: 30+12=42 Current State: 20:[22, 42], Operations: ['52-30=22', '30+12=42'] Exploring Operation: 42-22=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[52, 30, 30, 12], Operations: [] Exploring Operation: 30/30=1, Resulting Numbers: [52, 12, 1] Generated Node #0,0: 20:[52, 12, 1] Operation: 30/30=1 Exploring Operation: 30-30=0, Resulting Numbers: [52, 12, 0] Generated Node #0,1: 20:[52, 12, 0] Operation: 30-30=0 Exploring Operation: 52-30=22, Resulting Numbers: [30, 12, 22] Generated Node #0,2: 20:[30, 12, 22] Operation: 52-30=22 Exploring Operation: 52-12=40, Resulting Numbers: [30, 30, 40] Generated Node #0,3: 20:[30, 30, 40] Operation: 52-12=40 Exploring Operation: 52-30=22, Resulting Numbers: [30, 12, 22] Generated Node #0,4: 20:[30, 12, 22] Operation: 52-30=22 Moving to Node #0,2 Current State: 20:[30, 12, 22], Operations: ['52-30=22'] Exploring Operation: 22-12=10, Resulting Numbers: [30, 10] Generated Node #0,2,0: 20:[30, 10] Operation: 22-12=10 Exploring Operation: 30-12=18, Resulting Numbers: [22, 18] Generated Node #0,2,1: 20:[22, 18] Operation: 30-12=18 Exploring Operation: 30-22=8, Resulting Numbers: [12, 8] Generated Node #0,2,2: 20:[12, 8] Operation: 30-22=8 Exploring Operation: 12+22=34, Resulting Numbers: [30, 34] Generated Node #0,2,3: 20:[30, 34] Operation: 12+22=34 Exploring Operation: 30+12=42, Resulting Numbers: [22, 42] Generated Node #0,2,4: 20:[22, 42] Operation: 30+12=42 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 20:[22, 18], Operations: ['52-30=22', '30-12=18'] Exploring Operation: 22+18=40, Resulting Numbers: [40] 40,20 unequal: No Solution Exploring Operation: 22-18=4, Resulting Numbers: [4] 4,20 unequal: No Solution Exploring Operation: 22*18=396, Resulting Numbers: [396] 396,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 20:[12, 8], Operations: ['52-30=22', '30-22=8'] Exploring Operation: 12+8=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Moving to Node #0 Current State: 20:[52, 30, 30, 12], Operations: [] Exploring Operation: 52-30=22, Resulting Numbers: [30, 12, 22] Generated Node #0,2: 20:[30, 12, 22] Operation: 52-30=22 Moving to Node #0,2 Current State: 20:[30, 12, 22], Operations: ['52-30=22'] Exploring Operation: 30-22=8, Resulting Numbers: [12, 8] Generated Node #0,2,2: 20:[12, 8] Operation: 30-22=8 Moving to Node #0,2,2 Current State: 20:[12, 8], Operations: ['52-30=22', '30-22=8'] Exploring Operation: 12+8=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_5
sum_heuristic
[ 83, 40, 81, 19 ]
42
[ "83-81=2", "40-19=21", "2*21=42" ]
Current State: 42:[83, 40, 81, 19], Operations: [] Exploring Operation: 83-81=2, Resulting Numbers: [40, 19, 2] Generated Node #2: [40, 19, 2] from Operation: 83-81=2 Current State: 42:[40, 19, 2], Operations: ['83-81=2'] Exploring Operation: 40-19=21, Resulting Numbers: [2, 21] Generated Node #3: [2, 21] from Operation: 40-19=21 Current State: 42:[2, 21], Operations: ['83-81=2', '40-19=21'] Exploring Operation: 2*21=42, Resulting Numbers: [42] 42,42 equal: Goal Reached
4
Current State: 42:[83, 40, 81, 19], Operations: [] Exploring Operation: 81-40=41, Resulting Numbers: [83, 19, 41] Generated Node #0,0: 42:[83, 19, 41] Operation: 81-40=41 Exploring Operation: 83-40=43, Resulting Numbers: [81, 19, 43] Generated Node #0,1: 42:[81, 19, 43] Operation: 83-40=43 Exploring Operation: 83-19=64, Resulting Numbers: [40, 81, 64] Generated Node #0,2: 42:[40, 81, 64] Operation: 83-19=64 Exploring Operation: 83-81=2, Resulting Numbers: [40, 19, 2] Generated Node #0,3: 42:[40, 19, 2] Operation: 83-81=2 Start Sub Search at level 1: Moving to Node #0,3 Current State: 42:[40, 19, 2], Operations: ['83-81=2'] Exploring Operation: 40/2=20, Resulting Numbers: [19, 20] Generated Node #0,3,0: 42:[19, 20] Operation: 40/2=20 Exploring Operation: 40+2=42, Resulting Numbers: [19, 42] Generated Node #0,3,1: 42:[19, 42] Operation: 40+2=42 Exploring Operation: 40-19=21, Resulting Numbers: [2, 21] Generated Node #0,3,2: 42:[2, 21] Operation: 40-19=21 Exploring Operation: 19+2=21, Resulting Numbers: [40, 21] Generated Node #0,3,3: 42:[40, 21] Operation: 19+2=21 Moving to Node #0,3,2 Current State: 42:[2, 21], Operations: ['83-81=2', '40-19=21'] Exploring Operation: 2*21=42, Resulting Numbers: [42] 42,42 equal: Goal Reached Moving to Node #0 Current State: 42:[83, 40, 81, 19], Operations: [] Exploring Operation: 83-81=2, Resulting Numbers: [40, 19, 2] Generated Node #0,3: 42:[40, 19, 2] Operation: 83-81=2 Moving to Node #0,3 Current State: 42:[40, 19, 2], Operations: ['83-81=2'] Exploring Operation: 40-19=21, Resulting Numbers: [2, 21] Generated Node #0,3,2: 42:[2, 21] Operation: 40-19=21 Moving to Node #0,3,2 Current State: 42:[2, 21], Operations: ['83-81=2', '40-19=21'] Exploring Operation: 2*21=42, Resulting Numbers: [42] 42,42 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_4
sum_heuristic
[ 13, 5, 89, 50 ]
21
[ "13+5=18", "89-50=39", "39-18=21" ]
Current State: 21:[13, 5, 89, 50], Operations: [] Exploring Operation: 13+5=18, Resulting Numbers: [89, 50, 18] Generated Node #2: [89, 50, 18] from Operation: 13+5=18 Current State: 21:[89, 50, 18], Operations: ['13+5=18'] Exploring Operation: 89-50=39, Resulting Numbers: [18, 39] Generated Node #3: [18, 39] from Operation: 89-50=39 Current State: 21:[18, 39], Operations: ['13+5=18', '89-50=39'] Exploring Operation: 39-18=21, Resulting Numbers: [21] 21,21 equal: Goal Reached
4
Current State: 21:[13, 5, 89, 50], Operations: [] Exploring Operation: 89-50=39, Resulting Numbers: [13, 5, 39] Generated Node #0,0: 21:[13, 5, 39] Operation: 89-50=39 Start Sub Search at level 1: Moving to Node #0,0 Current State: 21:[13, 5, 39], Operations: ['89-50=39'] Exploring Operation: 39/13=3, Resulting Numbers: [5, 3] Generated Node #0,0,0: 21:[5, 3] Operation: 39/13=3 Moving to Node #0,0,0 Current State: 21:[5, 3], Operations: ['89-50=39', '39/13=3'] Exploring Operation: 5+3=8, Resulting Numbers: [8] 8,21 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 7, 13, 72, 52 ]
11
[ "13*72=936", "936/52=18", "18-7=11" ]
Current State: 11:[7, 13, 72, 52], Operations: [] Exploring Operation: 13*72=936, Resulting Numbers: [7, 52, 936] Generated Node #2: [7, 52, 936] from Operation: 13*72=936 Current State: 11:[7, 52, 936], Operations: ['13*72=936'] Exploring Operation: 936/52=18, Resulting Numbers: [7, 18] Generated Node #3: [7, 18] from Operation: 936/52=18 Current State: 11:[7, 18], Operations: ['13*72=936', '936/52=18'] Exploring Operation: 18-7=11, Resulting Numbers: [11] 11,11 equal: Goal Reached
4
Current State: 11:[7, 13, 72, 52], Operations: [] Exploring Operation: 52/13=4, Resulting Numbers: [7, 72, 4] Generated Node #0,0: 11:[7, 72, 4] Operation: 52/13=4 Exploring Operation: 72-52=20, Resulting Numbers: [7, 13, 20] Generated Node #0,1: 11:[7, 13, 20] Operation: 72-52=20 Moving to Node #0,1 Current State: 11:[7, 13, 20], Operations: ['72-52=20'] Exploring Operation: 20-7=13, Resulting Numbers: [13, 13] Generated Node #0,1,0: 11:[13, 13] Operation: 20-7=13 Exploring Operation: 20-13=7, Resulting Numbers: [7, 7] Generated Node #0,1,1: 11:[7, 7] Operation: 20-13=7 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 11:[13, 13], Operations: ['72-52=20', '20-7=13'] Exploring Operation: 13-13=0, Resulting Numbers: [0] 0,11 unequal: No Solution Exploring Operation: 13/13=1, Resulting Numbers: [1] 1,11 unequal: No Solution No 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: 11:[7, 7], Operations: ['72-52=20', '20-13=7'] Exploring Operation: 7+7=14, Resulting Numbers: [14] 14,11 unequal: No Solution Exploring Operation: 7/7=1, Resulting Numbers: [1] 1,11 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: 11:[7, 72, 4], Operations: ['52/13=4'] Exploring Operation: 72/4=18, Resulting Numbers: [7, 18] Generated Node #0,0,0: 11:[7, 18] Operation: 72/4=18 Exploring Operation: 72-7=65, Resulting Numbers: [4, 65] Generated Node #0,0,1: 11:[4, 65] Operation: 72-7=65 Moving to Node #0,0,0 Current State: 11:[7, 18], Operations: ['52/13=4', '72/4=18'] Exploring Operation: 18-7=11, Resulting Numbers: [11] 11,11 equal: Goal Reached Moving to Node #0 Current State: 11:[7, 13, 72, 52], Operations: [] Exploring Operation: 52/13=4, Resulting Numbers: [7, 72, 4] Generated Node #0,0: 11:[7, 72, 4] Operation: 52/13=4 Moving to Node #0,0 Current State: 11:[7, 72, 4], Operations: ['52/13=4'] Exploring Operation: 72/4=18, Resulting Numbers: [7, 18] Generated Node #0,0,0: 11:[7, 18] Operation: 72/4=18 Moving to Node #0,0,0 Current State: 11:[7, 18], Operations: ['52/13=4', '72/4=18'] Exploring Operation: 18-7=11, Resulting Numbers: [11] 11,11 equal: Goal Reached
0.986979
hs_2
mult_heuristic
[ 32, 56, 28, 7 ]
22
[ "32+56=88", "28/7=4", "88/4=22" ]
Current State: 22:[32, 56, 28, 7], Operations: [] Exploring Operation: 32+56=88, Resulting Numbers: [28, 7, 88] Generated Node #2: [28, 7, 88] from Operation: 32+56=88 Current State: 22:[28, 7, 88], Operations: ['32+56=88'] Exploring Operation: 28/7=4, Resulting Numbers: [88, 4] Generated Node #3: [88, 4] from Operation: 28/7=4 Current State: 22:[88, 4], Operations: ['32+56=88', '28/7=4'] Exploring Operation: 88/4=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
4
Current State: 22:[32, 56, 28, 7], Operations: [] Exploring Operation: 56-28=28, Resulting Numbers: [32, 7, 28] Generated Node #0,0: 22:[32, 7, 28] Operation: 56-28=28 Exploring Operation: 56/28=2, Resulting Numbers: [32, 7, 2] Generated Node #0,1: 22:[32, 7, 2] Operation: 56/28=2 Exploring Operation: 56-32=24, Resulting Numbers: [28, 7, 24] Generated Node #0,2: 22:[28, 7, 24] Operation: 56-32=24 Exploring Operation: 32-28=4, Resulting Numbers: [56, 7, 4] Generated Node #0,3: 22:[56, 7, 4] Operation: 32-28=4 Exploring Operation: 56/7=8, Resulting Numbers: [32, 28, 8] Generated Node #0,4: 22:[32, 28, 8] Operation: 56/7=8 Start Sub Search at level 1: Moving to Node #0,2 Current State: 22:[28, 7, 24], Operations: ['56-32=24'] Exploring Operation: 28+7=35, Resulting Numbers: [24, 35] Generated Node #0,2,0: 22:[24, 35] Operation: 28+7=35 Exploring Operation: 28-24=4, Resulting Numbers: [7, 4] Generated Node #0,2,1: 22:[7, 4] Operation: 28-24=4 Exploring Operation: 28-7=21, Resulting Numbers: [24, 21] Generated Node #0,2,2: 22:[24, 21] Operation: 28-7=21 Exploring Operation: 24-7=17, Resulting Numbers: [28, 17] Generated Node #0,2,3: 22:[28, 17] Operation: 24-7=17 Exploring Operation: 28/7=4, Resulting Numbers: [24, 4] Generated Node #0,2,4: 22:[24, 4] Operation: 28/7=4 Moving to Node #0,2,2 Current State: 22:[24, 21], Operations: ['56-32=24', '28-7=21'] Exploring Operation: 24+21=45, Resulting Numbers: [45] 45,22 unequal: No Solution Exploring Operation: 24*21=504, Resulting Numbers: [504] 504,22 unequal: No Solution Exploring Operation: 24-21=3, Resulting Numbers: [3] 3,22 unequal: No Solution Moving to Node #0,2,4 Current State: 22:[24, 4], Operations: ['56-32=24', '28/7=4'] Exploring Operation: 24*4=96, Resulting Numbers: [96] 96,22 unequal: No Solution Exploring Operation: 24-4=20, Resulting Numbers: [20] 20,22 unequal: No Solution Exploring Operation: 24+4=28, Resulting Numbers: [28] 28,22 unequal: No Solution Exploring Operation: 24/4=6, Resulting Numbers: [6] 6,22 unequal: No Solution Moving to Node #0,2,1 Current State: 22:[7, 4], Operations: ['56-32=24', '28-24=4'] Exploring Operation: 7*4=28, Resulting Numbers: [28] 28,22 unequal: No Solution Exploring Operation: 7-4=3, Resulting Numbers: [3] 3,22 unequal: No Solution Exploring Operation: 7+4=11, Resulting Numbers: [11] 11,22 unequal: No Solution Moving to Node #0,2,3 Current State: 22:[28, 17], Operations: ['56-32=24', '24-7=17'] Exploring Operation: 28-17=11, Resulting Numbers: [11] 11,22 unequal: No Solution Exploring Operation: 28*17=476, Resulting Numbers: [476] 476,22 unequal: No Solution Exploring Operation: 28+17=45, Resulting Numbers: [45] 45,22 unequal: No Solution Moving to Node #0,2,0 Current State: 22:[24, 35], Operations: ['56-32=24', '28+7=35'] Exploring Operation: 24*35=840, Resulting Numbers: [840] 840,22 unequal: No Solution Exploring Operation: 24+35=59, Resulting Numbers: [59] 59,22 unequal: No Solution Exploring Operation: 35-24=11, Resulting Numbers: [11] 11,22 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 22:[32, 7, 2], Operations: ['56/28=2'] Exploring Operation: 7+2=9, Resulting Numbers: [32, 9] Generated Node #0,1,0: 22:[32, 9] Operation: 7+2=9 Exploring Operation: 7*2=14, Resulting Numbers: [32, 14] Generated Node #0,1,1: 22:[32, 14] Operation: 7*2=14 Exploring Operation: 32-7=25, Resulting Numbers: [2, 25] Generated Node #0,1,2: 22:[2, 25] Operation: 32-7=25 Exploring Operation: 32-2=30, Resulting Numbers: [7, 30] Generated Node #0,1,3: 22:[7, 30] Operation: 32-2=30 Exploring Operation: 32/2=16, Resulting Numbers: [7, 16] Generated Node #0,1,4: 22:[7, 16] Operation: 32/2=16 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 22:[2, 25], Operations: ['56/28=2', '32-7=25'] Exploring Operation: 2*25=50, Resulting Numbers: [50] 50,22 unequal: No Solution Exploring Operation: 2+25=27, Resulting Numbers: [27] 27,22 unequal: No Solution Exploring Operation: 25-2=23, Resulting Numbers: [23] 23,22 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 22:[7, 16], Operations: ['56/28=2', '32/2=16'] Exploring Operation: 7*16=112, Resulting Numbers: [112] 112,22 unequal: No Solution Exploring Operation: 16-7=9, Resulting Numbers: [9] 9,22 unequal: No Solution Exploring Operation: 7+16=23, Resulting Numbers: [23] 23,22 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 22:[32, 9], Operations: ['56/28=2', '7+2=9'] Exploring Operation: 32-9=23, Resulting Numbers: [23] 23,22 unequal: No Solution Exploring Operation: 32+9=41, Resulting Numbers: [41] 41,22 unequal: No Solution Exploring Operation: 32*9=288, Resulting Numbers: [288] 288,22 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 22:[7, 30], Operations: ['56/28=2', '32-2=30'] Exploring Operation: 30-7=23, Resulting Numbers: [23] 23,22 unequal: No Solution Exploring Operation: 7*30=210, Resulting Numbers: [210] 210,22 unequal: No Solution Exploring Operation: 7+30=37, Resulting Numbers: [37] 37,22 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 22:[32, 14], Operations: ['56/28=2', '7*2=14'] Exploring Operation: 32-14=18, Resulting Numbers: [18] 18,22 unequal: No Solution Exploring Operation: 32*14=448, Resulting Numbers: [448] 448,22 unequal: No Solution Exploring Operation: 32+14=46, Resulting Numbers: [46] 46,22 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 22:[32, 28, 8], Operations: ['56/7=8'] Exploring Operation: 28-8=20, Resulting Numbers: [32, 20] Generated Node #0,4,0: 22:[32, 20] Operation: 28-8=20 Exploring Operation: 32-28=4, Resulting Numbers: [8, 4] Generated Node #0,4,1: 22:[8, 4] Operation: 32-28=4 Exploring Operation: 32-8=24, Resulting Numbers: [28, 24] Generated Node #0,4,2: 22:[28, 24] Operation: 32-8=24 Exploring Operation: 32/8=4, Resulting Numbers: [28, 4] Generated Node #0,4,3: 22:[28, 4] Operation: 32/8=4 Exploring Operation: 32+8=40, Resulting Numbers: [28, 40] Generated Node #0,4,4: 22:[28, 40] Operation: 32+8=40 Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 22:[8, 4], Operations: ['56/7=8', '32-28=4'] Exploring Operation: 8+4=12, Resulting Numbers: [12] 12,22 unequal: No Solution Exploring Operation: 8/4=2, Resulting Numbers: [2] 2,22 unequal: No Solution Exploring Operation: 8*4=32, Resulting Numbers: [32] 32,22 unequal: No Solution Exploring Operation: 8-4=4, Resulting Numbers: [4] 4,22 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 22:[28, 24], Operations: ['56/7=8', '32-8=24'] Exploring Operation: 28*24=672, Resulting Numbers: [672] 672,22 unequal: No Solution Exploring Operation: 28+24=52, Resulting Numbers: [52] 52,22 unequal: No Solution Exploring Operation: 28-24=4, Resulting Numbers: [4] 4,22 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 22:[28, 4], Operations: ['56/7=8', '32/8=4'] Exploring Operation: 28+4=32, Resulting Numbers: [32] 32,22 unequal: No Solution Exploring Operation: 28*4=112, Resulting Numbers: [112] 112,22 unequal: No Solution Exploring Operation: 28/4=7, Resulting Numbers: [7] 7,22 unequal: No Solution Exploring Operation: 28-4=24, Resulting Numbers: [24] 24,22 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 22:[32, 20], Operations: ['56/7=8', '28-8=20'] Exploring Operation: 32+20=52, Resulting Numbers: [52] 52,22 unequal: No Solution Exploring Operation: 32*20=640, Resulting Numbers: [640] 640,22 unequal: No Solution Exploring Operation: 32-20=12, Resulting Numbers: [12] 12,22 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 22:[28, 40], Operations: ['56/7=8', '32+8=40'] Exploring Operation: 28*40=1120, Resulting Numbers: [1120] 1120,22 unequal: No Solution Exploring Operation: 40-28=12, Resulting Numbers: [12] 12,22 unequal: No Solution Exploring Operation: 28+40=68, Resulting Numbers: [68] 68,22 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 22:[32, 7, 28], Operations: ['56-28=28'] Exploring Operation: 32+7=39, Resulting Numbers: [28, 39] Generated Node #0,0,0: 22:[28, 39] Operation: 32+7=39 Exploring Operation: 28-7=21, Resulting Numbers: [32, 21] Generated Node #0,0,1: 22:[32, 21] Operation: 28-7=21 Exploring Operation: 28/7=4, Resulting Numbers: [32, 4] Generated Node #0,0,2: 22:[32, 4] Operation: 28/7=4 Exploring Operation: 32-28=4, Resulting Numbers: [7, 4] Generated Node #0,0,3: 22:[7, 4] Operation: 32-28=4 Exploring Operation: 32-7=25, Resulting Numbers: [28, 25] Generated Node #0,0,4: 22:[28, 25] Operation: 32-7=25 Moving to Node #0,0,3 Current State: 22:[7, 4], Operations: ['56-28=28', '32-28=4'] Exploring Operation: 7-4=3, Resulting Numbers: [3] 3,22 unequal: No Solution Exploring Operation: 7+4=11, Resulting Numbers: [11] 11,22 unequal: No Solution Exploring Operation: 7*4=28, Resulting Numbers: [28] 28,22 unequal: No Solution Moving to Node #0,0,4 Current State: 22:[28, 25], Operations: ['56-28=28', '32-7=25'] Exploring Operation: 28*25=700, Resulting Numbers: [700] 700,22 unequal: No Solution Exploring Operation: 28+25=53, Resulting Numbers: [53] 53,22 unequal: No Solution Exploring Operation: 28-25=3, Resulting Numbers: [3] 3,22 unequal: No Solution Moving to Node #0,0,1 Current State: 22:[32, 21], Operations: ['56-28=28', '28-7=21'] Exploring Operation: 32+21=53, Resulting Numbers: [53] 53,22 unequal: No Solution Exploring Operation: 32*21=672, Resulting Numbers: [672] 672,22 unequal: No Solution Exploring Operation: 32-21=11, Resulting Numbers: [11] 11,22 unequal: No Solution Moving to Node #0,0,2 Current State: 22:[32, 4], Operations: ['56-28=28', '28/7=4'] Exploring Operation: 32+4=36, Resulting Numbers: [36] 36,22 unequal: No Solution Exploring Operation: 32*4=128, Resulting Numbers: [128] 128,22 unequal: No Solution Exploring Operation: 32/4=8, Resulting Numbers: [8] 8,22 unequal: No Solution Exploring Operation: 32-4=28, Resulting Numbers: [28] 28,22 unequal: No Solution Moving to Node #0,0,0 Current State: 22:[28, 39], Operations: ['56-28=28', '32+7=39'] Exploring Operation: 28+39=67, Resulting Numbers: [67] 67,22 unequal: No Solution Exploring Operation: 39-28=11, Resulting Numbers: [11] 11,22 unequal: No Solution Exploring Operation: 28*39=1092, Resulting Numbers: [1092] 1092,22 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 22:[56, 7, 4], Operations: ['32-28=4'] Exploring Operation: 56/7=8, Resulting Numbers: [4, 8] Generated Node #0,3,0: 22:[4, 8] Operation: 56/7=8 Exploring Operation: 56-7=49, Resulting Numbers: [4, 49] Generated Node #0,3,1: 22:[4, 49] Operation: 56-7=49 Exploring Operation: 56/4=14, Resulting Numbers: [7, 14] Generated Node #0,3,2: 22:[7, 14] Operation: 56/4=14 Exploring Operation: 56-4=52, Resulting Numbers: [7, 52] Generated Node #0,3,3: 22:[7, 52] Operation: 56-4=52 Exploring Operation: 7+4=11, Resulting Numbers: [56, 11] Generated Node #0,3,4: 22:[56, 11] Operation: 7+4=11 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 22:[4, 8], Operations: ['32-28=4', '56/7=8'] Exploring Operation: 8-4=4, Resulting Numbers: [4] 4,22 unequal: No Solution Exploring Operation: 4*8=32, Resulting Numbers: [32] 32,22 unequal: No Solution Exploring Operation: 8/4=2, Resulting Numbers: [2] 2,22 unequal: No Solution Exploring Operation: 4+8=12, Resulting Numbers: [12] 12,22 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 22:[7, 14], Operations: ['32-28=4', '56/4=14'] Exploring Operation: 7*14=98, Resulting Numbers: [98] 98,22 unequal: No Solution Exploring Operation: 7+14=21, Resulting Numbers: [21] 21,22 unequal: No Solution Exploring Operation: 14-7=7, Resulting Numbers: [7] 7,22 unequal: No Solution Exploring Operation: 14/7=2, Resulting Numbers: [2] 2,22 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 22:[4, 49], Operations: ['32-28=4', '56-7=49'] Exploring Operation: 4+49=53, Resulting Numbers: [53] 53,22 unequal: No Solution Exploring Operation: 49-4=45, Resulting Numbers: [45] 45,22 unequal: No Solution Exploring Operation: 4*49=196, Resulting Numbers: [196] 196,22 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 22:[7, 52], Operations: ['32-28=4', '56-4=52'] Exploring Operation: 52-7=45, Resulting Numbers: [45] 45,22 unequal: No Solution Exploring Operation: 7*52=364, Resulting Numbers: [364] 364,22 unequal: No Solution Exploring Operation: 7+52=59, Resulting Numbers: [59] 59,22 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 22:[56, 11], Operations: ['32-28=4', '7+4=11'] Exploring Operation: 56*11=616, Resulting Numbers: [616] 616,22 unequal: No Solution Exploring Operation: 56-11=45, Resulting Numbers: [45] 45,22 unequal: No Solution Exploring Operation: 56+11=67, Resulting Numbers: [67] 67,22 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
mult_heuristic
[ 33, 26, 6, 52 ]
42
[ "33+26=59", "59-52=7", "6*7=42" ]
Current State: 42:[33, 26, 6, 52], Operations: [] Exploring Operation: 33+26=59, Resulting Numbers: [6, 52, 59] Generated Node #2: [6, 52, 59] from Operation: 33+26=59 Current State: 42:[6, 52, 59], Operations: ['33+26=59'] Exploring Operation: 59-52=7, Resulting Numbers: [6, 7] Generated Node #3: [6, 7] from Operation: 59-52=7 Current State: 42:[6, 7], Operations: ['33+26=59', '59-52=7'] Exploring Operation: 6*7=42, Resulting Numbers: [42] 42,42 equal: Goal Reached
4
Current State: 42:[33, 26, 6, 52], Operations: [] Exploring Operation: 52/26=2, Resulting Numbers: [33, 6, 2] Generated Node #0,0: 42:[33, 6, 2] Operation: 52/26=2 Exploring Operation: 52-26=26, Resulting Numbers: [33, 6, 26] Generated Node #0,1: 42:[33, 6, 26] Operation: 52-26=26 Exploring Operation: 52-33=19, Resulting Numbers: [26, 6, 19] Generated Node #0,2: 42:[26, 6, 19] Operation: 52-33=19 Exploring Operation: 33-26=7, Resulting Numbers: [6, 52, 7] Generated Node #0,3: 42:[6, 52, 7] Operation: 33-26=7 Moving to Node #0,2 Current State: 42:[26, 6, 19], Operations: ['52-33=19'] Exploring Operation: 19-6=13, Resulting Numbers: [26, 13] Generated Node #0,2,0: 42:[26, 13] Operation: 19-6=13 Exploring Operation: 26-6=20, Resulting Numbers: [19, 20] Generated Node #0,2,1: 42:[19, 20] Operation: 26-6=20 Exploring Operation: 26+19=45, Resulting Numbers: [6, 45] Generated Node #0,2,2: 42:[6, 45] Operation: 26+19=45 Exploring Operation: 26-19=7, Resulting Numbers: [6, 7] Generated Node #0,2,3: 42:[6, 7] Operation: 26-19=7 Moving to Node #0,0 Current State: 42:[33, 6, 2], Operations: ['52/26=2'] Exploring Operation: 33-6=27, Resulting Numbers: [2, 27] Generated Node #0,0,0: 42:[2, 27] Operation: 33-6=27 Exploring Operation: 33+2=35, Resulting Numbers: [6, 35] Generated Node #0,0,1: 42:[6, 35] Operation: 33+2=35 Exploring Operation: 33+6=39, Resulting Numbers: [2, 39] Generated Node #0,0,2: 42:[2, 39] Operation: 33+6=39 Exploring Operation: 6/2=3, Resulting Numbers: [33, 3] Generated Node #0,0,3: 42:[33, 3] Operation: 6/2=3 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 42:[2, 39], Operations: ['52/26=2', '33+6=39'] Exploring Operation: 39-2=37, Resulting Numbers: [37] 37,42 unequal: No Solution Exploring Operation: 2+39=41, Resulting Numbers: [41] 41,42 unequal: No Solution Exploring Operation: 2*39=78, Resulting Numbers: [78] 78,42 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 42:[2, 27], Operations: ['52/26=2', '33-6=27'] Exploring Operation: 2+27=29, Resulting Numbers: [29] 29,42 unequal: No Solution Exploring Operation: 2*27=54, Resulting Numbers: [54] 54,42 unequal: No Solution Exploring Operation: 27-2=25, Resulting Numbers: [25] 25,42 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 42:[6, 35], Operations: ['52/26=2', '33+2=35'] Exploring Operation: 35-6=29, Resulting Numbers: [29] 29,42 unequal: No Solution Exploring Operation: 6*35=210, Resulting Numbers: [210] 210,42 unequal: No Solution Exploring Operation: 6+35=41, Resulting Numbers: [41] 41,42 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 42:[33, 3], Operations: ['52/26=2', '6/2=3'] Exploring Operation: 33+3=36, Resulting Numbers: [36] 36,42 unequal: No Solution Exploring Operation: 33/3=11, Resulting Numbers: [11] 11,42 unequal: No Solution Exploring Operation: 33-3=30, Resulting Numbers: [30] 30,42 unequal: No Solution Exploring Operation: 33*3=99, Resulting Numbers: [99] 99,42 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: 42:[6, 52, 7], Operations: ['33-26=7'] Exploring Operation: 6+7=13, Resulting Numbers: [52, 13] Generated Node #0,3,0: 42:[52, 13] Operation: 6+7=13 Exploring Operation: 52-7=45, Resulting Numbers: [6, 45] Generated Node #0,3,1: 42:[6, 45] Operation: 52-7=45 Exploring Operation: 52-6=46, Resulting Numbers: [7, 46] Generated Node #0,3,2: 42:[7, 46] Operation: 52-6=46 Exploring Operation: 6*7=42, Resulting Numbers: [52, 42] Generated Node #0,3,3: 42:[52, 42] Operation: 6*7=42 Moving to Node #0,1 Current State: 42:[33, 6, 26], Operations: ['52-26=26'] Exploring Operation: 33-6=27, Resulting Numbers: [26, 27] Generated Node #0,1,0: 42:[26, 27] Operation: 33-6=27 Exploring Operation: 33-26=7, Resulting Numbers: [6, 7] Generated Node #0,1,1: 42:[6, 7] Operation: 33-26=7 Exploring Operation: 33+6=39, Resulting Numbers: [26, 39] Generated Node #0,1,2: 42:[26, 39] Operation: 33+6=39 Exploring Operation: 26-6=20, Resulting Numbers: [33, 20] Generated Node #0,1,3: 42:[33, 20] Operation: 26-6=20 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 42:[6, 7], Operations: ['52-26=26', '33-26=7'] Exploring Operation: 6*7=42, Resulting Numbers: [42] 42,42 equal: Goal Reached Moving to Node #0 Current State: 42:[33, 26, 6, 52], Operations: [] Exploring Operation: 52-26=26, Resulting Numbers: [33, 6, 26] Generated Node #0,1: 42:[33, 6, 26] Operation: 52-26=26 Moving to Node #0,1 Current State: 42:[33, 6, 26], Operations: ['52-26=26'] Exploring Operation: 33-26=7, Resulting Numbers: [6, 7] Generated Node #0,1,1: 42:[6, 7] Operation: 33-26=7 Moving to Node #0,1,1 Current State: 42:[6, 7], Operations: ['52-26=26', '33-26=7'] Exploring Operation: 6*7=42, Resulting Numbers: [42] 42,42 equal: Goal Reached Exit Sub Search at level 1
0.967014
hs_4
mult_heuristic
[ 3, 39, 65, 85 ]
97
[ "3*39=117", "85-65=20", "117-20=97" ]
Current State: 97:[3, 39, 65, 85], Operations: [] Exploring Operation: 3*39=117, Resulting Numbers: [65, 85, 117] Generated Node #2: [65, 85, 117] from Operation: 3*39=117 Current State: 97:[65, 85, 117], Operations: ['3*39=117'] Exploring Operation: 85-65=20, Resulting Numbers: [117, 20] Generated Node #3: [117, 20] from Operation: 85-65=20 Current State: 97:[117, 20], Operations: ['3*39=117', '85-65=20'] Exploring Operation: 117-20=97, Resulting Numbers: [97] 97,97 equal: Goal Reached
4
Current State: 97:[3, 39, 65, 85], Operations: [] Exploring Operation: 3+39=42, Resulting Numbers: [65, 85, 42] Generated Node #0,0: 97:[65, 85, 42] Operation: 3+39=42 Exploring Operation: 3+65=68, Resulting Numbers: [39, 85, 68] Generated Node #0,1: 97:[39, 85, 68] Operation: 3+65=68 Exploring Operation: 3*39=117, Resulting Numbers: [65, 85, 117] Generated Node #0,2: 97:[65, 85, 117] Operation: 3*39=117 Moving to Node #0,2 Current State: 97:[65, 85, 117], Operations: ['3*39=117'] Exploring Operation: 85-65=20, Resulting Numbers: [117, 20] Generated Node #0,2,0: 97:[117, 20] Operation: 85-65=20 Exploring Operation: 65+85=150, Resulting Numbers: [117, 150] Generated Node #0,2,1: 97:[117, 150] Operation: 65+85=150 Exploring Operation: 117-65=52, Resulting Numbers: [85, 52] Generated Node #0,2,2: 97:[85, 52] Operation: 117-65=52 Moving to Node #0,0 Current State: 97:[65, 85, 42], Operations: ['3+39=42'] Exploring Operation: 85+42=127, Resulting Numbers: [65, 127] Generated Node #0,0,0: 97:[65, 127] Operation: 85+42=127 Exploring Operation: 65-42=23, Resulting Numbers: [85, 23] Generated Node #0,0,1: 97:[85, 23] Operation: 65-42=23 Exploring Operation: 65+42=107, Resulting Numbers: [85, 107] Generated Node #0,0,2: 97:[85, 107] Operation: 65+42=107 Moving to Node #0,1 Current State: 97:[39, 85, 68], Operations: ['3+65=68'] Exploring Operation: 39+85=124, Resulting Numbers: [68, 124] Generated Node #0,1,0: 97:[68, 124] Operation: 39+85=124 Exploring Operation: 85-39=46, Resulting Numbers: [68, 46] Generated Node #0,1,1: 97:[68, 46] Operation: 85-39=46 Exploring Operation: 39+68=107, Resulting Numbers: [85, 107] Generated Node #0,1,2: 97:[85, 107] Operation: 39+68=107 Moving to Node #0,0,2 Current State: 97:[85, 107], Operations: ['3+39=42', '65+42=107'] Exploring Operation: 85*107=9095, Resulting Numbers: [9095] 9095,97 unequal: No Solution Exploring Operation: 85+107=192, Resulting Numbers: [192] 192,97 unequal: No Solution Exploring Operation: 107-85=22, Resulting Numbers: [22] 22,97 unequal: No Solution Moving to Node #0,1,2 Current State: 97:[85, 107], Operations: ['3+65=68', '39+68=107'] Exploring Operation: 107-85=22, Resulting Numbers: [22] 22,97 unequal: No Solution Exploring Operation: 85+107=192, Resulting Numbers: [192] 192,97 unequal: No Solution Exploring Operation: 85*107=9095, Resulting Numbers: [9095] 9095,97 unequal: No Solution Moving to Node #0,1,0 Current State: 97:[68, 124], Operations: ['3+65=68', '39+85=124'] Exploring Operation: 124-68=56, Resulting Numbers: [56] 56,97 unequal: No Solution Exploring Operation: 68+124=192, Resulting Numbers: [192] 192,97 unequal: No Solution Exploring Operation: 68*124=8432, Resulting Numbers: [8432] 8432,97 unequal: No Solution Moving to Node #0,2,2 Current State: 97:[85, 52], Operations: ['3*39=117', '117-65=52'] Exploring Operation: 85*52=4420, Resulting Numbers: [4420] 4420,97 unequal: No Solution Exploring Operation: 85-52=33, Resulting Numbers: [33] 33,97 unequal: No Solution Exploring Operation: 85+52=137, Resulting Numbers: [137] 137,97 unequal: No Solution Moving to Node #0,0,0 Current State: 97:[65, 127], Operations: ['3+39=42', '85+42=127'] Exploring Operation: 127-65=62, Resulting Numbers: [62] 62,97 unequal: No Solution Exploring Operation: 65*127=8255, Resulting Numbers: [8255] 8255,97 unequal: No Solution Exploring Operation: 65+127=192, Resulting Numbers: [192] 192,97 unequal: No Solution Moving to Node #0,2,1 Current State: 97:[117, 150], Operations: ['3*39=117', '65+85=150'] Exploring Operation: 117+150=267, Resulting Numbers: [267] 267,97 unequal: No Solution Exploring Operation: 117*150=17550, Resulting Numbers: [17550] 17550,97 unequal: No Solution Exploring Operation: 150-117=33, Resulting Numbers: [33] 33,97 unequal: No Solution Moving to Node #0,1,1 Current State: 97:[68, 46], Operations: ['3+65=68', '85-39=46'] Exploring Operation: 68-46=22, Resulting Numbers: [22] 22,97 unequal: No Solution Exploring Operation: 68+46=114, Resulting Numbers: [114] 114,97 unequal: No Solution Exploring Operation: 68*46=3128, Resulting Numbers: [3128] 3128,97 unequal: No Solution Moving to Node #0,0,1 Current State: 97:[85, 23], Operations: ['3+39=42', '65-42=23'] Exploring Operation: 85-23=62, Resulting Numbers: [62] 62,97 unequal: No Solution Exploring Operation: 85+23=108, Resulting Numbers: [108] 108,97 unequal: No Solution Exploring Operation: 85*23=1955, Resulting Numbers: [1955] 1955,97 unequal: No Solution Moving to Node #0,2,0 Current State: 97:[117, 20], Operations: ['3*39=117', '85-65=20'] Exploring Operation: 117-20=97, Resulting Numbers: [97] 97,97 equal: Goal Reached Moving to Node #0 Current State: 97:[3, 39, 65, 85], Operations: [] Exploring Operation: 3*39=117, Resulting Numbers: [65, 85, 117] Generated Node #0,2: 97:[65, 85, 117] Operation: 3*39=117 Moving to Node #0,2 Current State: 97:[65, 85, 117], Operations: ['3*39=117'] Exploring Operation: 85-65=20, Resulting Numbers: [117, 20] Generated Node #0,2,0: 97:[117, 20] Operation: 85-65=20 Moving to Node #0,2,0 Current State: 97:[117, 20], Operations: ['3*39=117', '85-65=20'] Exploring Operation: 117-20=97, Resulting Numbers: [97] 97,97 equal: Goal Reached
0.96441
hs_3
mult_heuristic
[ 51, 47, 83, 41 ]
56
[ "51+47=98", "83-41=42", "98-42=56" ]
Current State: 56:[51, 47, 83, 41], Operations: [] Exploring Operation: 51+47=98, Resulting Numbers: [83, 41, 98] Generated Node #2: [83, 41, 98] from Operation: 51+47=98 Current State: 56:[83, 41, 98], Operations: ['51+47=98'] Exploring Operation: 83-41=42, Resulting Numbers: [98, 42] Generated Node #3: [98, 42] from Operation: 83-41=42 Current State: 56:[98, 42], Operations: ['51+47=98', '83-41=42'] Exploring Operation: 98-42=56, Resulting Numbers: [56] 56,56 equal: Goal Reached
4
Current State: 56:[51, 47, 83, 41], Operations: [] Exploring Operation: 47-41=6, Resulting Numbers: [51, 83, 6] Generated Node #0,0: 56:[51, 83, 6] Operation: 47-41=6 Exploring Operation: 51-41=10, Resulting Numbers: [47, 83, 10] Generated Node #0,1: 56:[47, 83, 10] Operation: 51-41=10 Exploring Operation: 83-41=42, Resulting Numbers: [51, 47, 42] Generated Node #0,2: 56:[51, 47, 42] Operation: 83-41=42 Exploring Operation: 83-47=36, Resulting Numbers: [51, 41, 36] Generated Node #0,3: 56:[51, 41, 36] Operation: 83-47=36 Exploring Operation: 83-51=32, Resulting Numbers: [47, 41, 32] Generated Node #0,4: 56:[47, 41, 32] Operation: 83-51=32 Start Sub Search at level 1: Moving to Node #0,3 Current State: 56:[51, 41, 36], Operations: ['83-47=36'] Exploring Operation: 51+41=92, Resulting Numbers: [36, 92] Generated Node #0,3,0: 56:[36, 92] Operation: 51+41=92 Exploring Operation: 41+36=77, Resulting Numbers: [51, 77] Generated Node #0,3,1: 56:[51, 77] Operation: 41+36=77 Exploring Operation: 41-36=5, Resulting Numbers: [51, 5] Generated Node #0,3,2: 56:[51, 5] Operation: 41-36=5 Exploring Operation: 51-41=10, Resulting Numbers: [36, 10] Generated Node #0,3,3: 56:[36, 10] Operation: 51-41=10 Exploring Operation: 51-36=15, Resulting Numbers: [41, 15] Generated Node #0,3,4: 56:[41, 15] Operation: 51-36=15 Moving to Node #0,3,2 Current State: 56:[51, 5], Operations: ['83-47=36', '41-36=5'] Exploring Operation: 51+5=56, Resulting Numbers: [56] 56,56 equal: Goal Reached Moving to Node #0 Current State: 56:[51, 47, 83, 41], Operations: [] Exploring Operation: 83-47=36, Resulting Numbers: [51, 41, 36] Generated Node #0,3: 56:[51, 41, 36] Operation: 83-47=36 Moving to Node #0,3 Current State: 56:[51, 41, 36], Operations: ['83-47=36'] Exploring Operation: 41-36=5, Resulting Numbers: [51, 5] Generated Node #0,3,2: 56:[51, 5] Operation: 41-36=5 Moving to Node #0,3,2 Current State: 56:[51, 5], Operations: ['83-47=36', '41-36=5'] Exploring Operation: 51+5=56, Resulting Numbers: [56] 56,56 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_5
sum_heuristic
[ 2, 94, 18, 57 ]
57
[ "2+94=96", "57-18=39", "96-39=57" ]
Current State: 57:[2, 94, 18, 57], Operations: [] Exploring Operation: 2+94=96, Resulting Numbers: [18, 57, 96] Generated Node #2: [18, 57, 96] from Operation: 2+94=96 Current State: 57:[18, 57, 96], Operations: ['2+94=96'] Exploring Operation: 57-18=39, Resulting Numbers: [96, 39] Generated Node #3: [96, 39] from Operation: 57-18=39 Current State: 57:[96, 39], Operations: ['2+94=96', '57-18=39'] Exploring Operation: 96-39=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
4
Current State: 57:[2, 94, 18, 57], Operations: [] Exploring Operation: 94-57=37, Resulting Numbers: [2, 18, 37] Generated Node #0,0: 57:[2, 18, 37] Operation: 94-57=37 Exploring Operation: 94/2=47, Resulting Numbers: [18, 57, 47] Generated Node #0,1: 57:[18, 57, 47] Operation: 94/2=47 Exploring Operation: 94-18=76, Resulting Numbers: [2, 57, 76] Generated Node #0,2: 57:[2, 57, 76] Operation: 94-18=76 Moving to Node #0,1 Current State: 57:[18, 57, 47], Operations: ['94/2=47'] Exploring Operation: 57-47=10, Resulting Numbers: [18, 10] Generated Node #0,1,0: 57:[18, 10] Operation: 57-47=10 Exploring Operation: 47-18=29, Resulting Numbers: [57, 29] Generated Node #0,1,1: 57:[57, 29] Operation: 47-18=29 Exploring Operation: 18+47=65, Resulting Numbers: [57, 65] Generated Node #0,1,2: 57:[57, 65] Operation: 18+47=65 Moving to Node #0,0 Current State: 57:[2, 18, 37], Operations: ['94-57=37'] Exploring Operation: 37-2=35, Resulting Numbers: [18, 35] Generated Node #0,0,0: 57:[18, 35] Operation: 37-2=35 Exploring Operation: 37-18=19, Resulting Numbers: [2, 19] Generated Node #0,0,1: 57:[2, 19] Operation: 37-18=19 Exploring Operation: 18+37=55, Resulting Numbers: [2, 55] Generated Node #0,0,2: 57:[2, 55] Operation: 18+37=55 Moving to Node #0,2 Current State: 57:[2, 57, 76], Operations: ['94-18=76'] Exploring Operation: 76-2=74, Resulting Numbers: [57, 74] Generated Node #0,2,0: 57:[57, 74] Operation: 76-2=74 Exploring Operation: 76-57=19, Resulting Numbers: [2, 19] Generated Node #0,2,1: 57:[2, 19] Operation: 76-57=19 Exploring Operation: 76/2=38, Resulting Numbers: [57, 38] Generated Node #0,2,2: 57:[57, 38] Operation: 76/2=38 Moving to Node #0,0,1 Current State: 57:[2, 19], Operations: ['94-57=37', '37-18=19'] Exploring Operation: 2+19=21, Resulting Numbers: [21] 21,57 unequal: No Solution Exploring Operation: 2*19=38, Resulting Numbers: [38] 38,57 unequal: No Solution Exploring Operation: 19-2=17, Resulting Numbers: [17] 17,57 unequal: No Solution Moving to Node #0,2,1 Current State: 57:[2, 19], Operations: ['94-18=76', '76-57=19'] Exploring Operation: 2+19=21, Resulting Numbers: [21] 21,57 unequal: No Solution Exploring Operation: 2*19=38, Resulting Numbers: [38] 38,57 unequal: No Solution Exploring Operation: 19-2=17, Resulting Numbers: [17] 17,57 unequal: No Solution Moving to Node #0,0,2 Current State: 57:[2, 55], Operations: ['94-57=37', '18+37=55'] Exploring Operation: 2*55=110, Resulting Numbers: [110] 110,57 unequal: No Solution Exploring Operation: 55-2=53, Resulting Numbers: [53] 53,57 unequal: No Solution Exploring Operation: 2+55=57, Resulting Numbers: [57] 57,57 equal: Goal Reached Moving to Node #0 Current State: 57:[2, 94, 18, 57], Operations: [] Exploring Operation: 94-57=37, Resulting Numbers: [2, 18, 37] Generated Node #0,0: 57:[2, 18, 37] Operation: 94-57=37 Moving to Node #0,0 Current State: 57:[2, 18, 37], Operations: ['94-57=37'] Exploring Operation: 18+37=55, Resulting Numbers: [2, 55] Generated Node #0,0,2: 57:[2, 55] Operation: 18+37=55 Moving to Node #0,0,2 Current State: 57:[2, 55], Operations: ['94-57=37', '18+37=55'] Exploring Operation: 2+55=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
0.978299
hs_3
sum_heuristic
[ 90, 14, 87, 57 ]
15
[ "90-87=3", "14*3=42", "57-42=15" ]
Current State: 15:[90, 14, 87, 57], Operations: [] Exploring Operation: 90-87=3, Resulting Numbers: [14, 57, 3] Generated Node #2: [14, 57, 3] from Operation: 90-87=3 Current State: 15:[14, 57, 3], Operations: ['90-87=3'] Exploring Operation: 14*3=42, Resulting Numbers: [57, 42] Generated Node #3: [57, 42] from Operation: 14*3=42 Current State: 15:[57, 42], Operations: ['90-87=3', '14*3=42'] Exploring Operation: 57-42=15, Resulting Numbers: [15] 15,15 equal: Goal Reached
4
Current State: 15:[90, 14, 87, 57], Operations: [] Exploring Operation: 90-87=3, Resulting Numbers: [14, 57, 3] Generated Node #0,0: 15:[14, 57, 3] Operation: 90-87=3 Moving to Node #0,0 Current State: 15:[14, 57, 3], Operations: ['90-87=3'] Exploring Operation: 57/3=19, Resulting Numbers: [14, 19] Generated Node #0,0,0: 15:[14, 19] Operation: 57/3=19 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 15:[14, 19], Operations: ['90-87=3', '57/3=19'] Exploring Operation: 19-14=5, Resulting Numbers: [5] 5,15 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 19, 17, 95, 4 ]
89
[ "19-17=2", "95-4=91", "91-2=89" ]
Current State: 89:[19, 17, 95, 4], Operations: [] Exploring Operation: 19-17=2, Resulting Numbers: [95, 4, 2] Generated Node #2: [95, 4, 2] from Operation: 19-17=2 Current State: 89:[95, 4, 2], Operations: ['19-17=2'] Exploring Operation: 95-4=91, Resulting Numbers: [2, 91] Generated Node #3: [2, 91] from Operation: 95-4=91 Current State: 89:[2, 91], Operations: ['19-17=2', '95-4=91'] Exploring Operation: 91-2=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
4
Current State: 89:[19, 17, 95, 4], Operations: [] Exploring Operation: 19+17=36, Resulting Numbers: [95, 4, 36] Generated Node #0,0: 89:[95, 4, 36] Operation: 19+17=36 Exploring Operation: 17*4=68, Resulting Numbers: [19, 95, 68] Generated Node #0,1: 89:[19, 95, 68] Operation: 17*4=68 Exploring Operation: 19+4=23, Resulting Numbers: [17, 95, 23] Generated Node #0,2: 89:[17, 95, 23] Operation: 19+4=23 Exploring Operation: 19*4=76, Resulting Numbers: [17, 95, 76] Generated Node #0,3: 89:[17, 95, 76] Operation: 19*4=76 Moving to Node #0,3 Current State: 89:[17, 95, 76], Operations: ['19*4=76'] Exploring Operation: 76-17=59, Resulting Numbers: [95, 59] Generated Node #0,3,0: 89:[95, 59] Operation: 76-17=59 Exploring Operation: 95-17=78, Resulting Numbers: [76, 78] Generated Node #0,3,1: 89:[76, 78] Operation: 95-17=78 Exploring Operation: 17+76=93, Resulting Numbers: [95, 93] Generated Node #0,3,2: 89:[95, 93] Operation: 17+76=93 Exploring Operation: 17+95=112, Resulting Numbers: [76, 112] Generated Node #0,3,3: 89:[76, 112] Operation: 17+95=112 Moving to Node #0,1 Current State: 89:[19, 95, 68], Operations: ['17*4=68'] Exploring Operation: 19+68=87, Resulting Numbers: [95, 87] Generated Node #0,1,0: 89:[95, 87] Operation: 19+68=87 Exploring Operation: 68-19=49, Resulting Numbers: [95, 49] Generated Node #0,1,1: 89:[95, 49] Operation: 68-19=49 Exploring Operation: 19+95=114, Resulting Numbers: [68, 114] Generated Node #0,1,2: 89:[68, 114] Operation: 19+95=114 Exploring Operation: 95-19=76, Resulting Numbers: [68, 76] Generated Node #0,1,3: 89:[68, 76] Operation: 95-19=76 Moving to Node #0,2 Current State: 89:[17, 95, 23], Operations: ['19+4=23'] Exploring Operation: 17+95=112, Resulting Numbers: [23, 112] Generated Node #0,2,0: 89:[23, 112] Operation: 17+95=112 Exploring Operation: 23-17=6, Resulting Numbers: [95, 6] Generated Node #0,2,1: 89:[95, 6] Operation: 23-17=6 Exploring Operation: 17+23=40, Resulting Numbers: [95, 40] Generated Node #0,2,2: 89:[95, 40] Operation: 17+23=40 Exploring Operation: 95-17=78, Resulting Numbers: [23, 78] Generated Node #0,2,3: 89:[23, 78] Operation: 95-17=78 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 89:[95, 40], Operations: ['19+4=23', '17+23=40'] Exploring Operation: 95-40=55, Resulting Numbers: [55] 55,89 unequal: No Solution Exploring Operation: 95+40=135, Resulting Numbers: [135] 135,89 unequal: No Solution Exploring Operation: 95*40=3800, Resulting Numbers: [3800] 3800,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 89:[23, 78], Operations: ['19+4=23', '95-17=78'] Exploring Operation: 78-23=55, Resulting Numbers: [55] 55,89 unequal: No Solution Exploring Operation: 23+78=101, Resulting Numbers: [101] 101,89 unequal: No Solution Exploring Operation: 23*78=1794, Resulting Numbers: [1794] 1794,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 89:[23, 112], Operations: ['19+4=23', '17+95=112'] Exploring Operation: 23*112=2576, Resulting Numbers: [2576] 2576,89 unequal: No Solution Exploring Operation: 112-23=89, Resulting Numbers: [89] 89,89 equal: Goal Reached Moving to Node #0 Current State: 89:[19, 17, 95, 4], Operations: [] Exploring Operation: 19+4=23, Resulting Numbers: [17, 95, 23] Generated Node #0,2: 89:[17, 95, 23] Operation: 19+4=23 Moving to Node #0,2 Current State: 89:[17, 95, 23], Operations: ['19+4=23'] Exploring Operation: 17+95=112, Resulting Numbers: [23, 112] Generated Node #0,2,0: 89:[23, 112] Operation: 17+95=112 Moving to Node #0,2,0 Current State: 89:[23, 112], Operations: ['19+4=23', '17+95=112'] Exploring Operation: 112-23=89, Resulting Numbers: [89] 89,89 equal: Goal Reached Exit Sub Search at level 1
0.975694
hs_4
mult_heuristic
[ 71, 52, 1, 77 ]
96
[ "71-52=19", "1*77=77", "19+77=96" ]
Current State: 96:[71, 52, 1, 77], Operations: [] Exploring Operation: 71-52=19, Resulting Numbers: [1, 77, 19] Generated Node #2: [1, 77, 19] from Operation: 71-52=19 Current State: 96:[1, 77, 19], Operations: ['71-52=19'] Exploring Operation: 1*77=77, Resulting Numbers: [19, 77] Generated Node #3: [19, 77] from Operation: 1*77=77 Current State: 96:[19, 77], Operations: ['71-52=19', '1*77=77'] Exploring Operation: 19+77=96, Resulting Numbers: [96] 96,96 equal: Goal Reached
4
Current State: 96:[71, 52, 1, 77], Operations: [] Exploring Operation: 77-71=6, Resulting Numbers: [52, 1, 6] Generated Node #0,0: 96:[52, 1, 6] Operation: 77-71=6 Start Sub Search at level 1: Moving to Node #0,0 Current State: 96:[52, 1, 6], Operations: ['77-71=6'] Exploring Operation: 52-1=51, Resulting Numbers: [6, 51] Generated Node #0,0,0: 96:[6, 51] Operation: 52-1=51 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 96:[6, 51], Operations: ['77-71=6', '52-1=51'] Exploring Operation: 51-6=45, Resulting Numbers: [45] 45,96 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
[ 84, 62, 25, 66 ]
63
[ "84-62=22", "66-25=41", "22+41=63" ]
Current State: 63:[84, 62, 25, 66], Operations: [] Exploring Operation: 84-62=22, Resulting Numbers: [25, 66, 22] Generated Node #2: [25, 66, 22] from Operation: 84-62=22 Current State: 63:[25, 66, 22], Operations: ['84-62=22'] Exploring Operation: 66-25=41, Resulting Numbers: [22, 41] Generated Node #3: [22, 41] from Operation: 66-25=41 Current State: 63:[22, 41], Operations: ['84-62=22', '66-25=41'] Exploring Operation: 22+41=63, Resulting Numbers: [63] 63,63 equal: Goal Reached
4
Current State: 63:[84, 62, 25, 66], Operations: [] Exploring Operation: 66-62=4, Resulting Numbers: [84, 25, 4] Generated Node #0,0: 63:[84, 25, 4] Operation: 66-62=4 Exploring Operation: 84-25=59, Resulting Numbers: [62, 66, 59] Generated Node #0,1: 63:[62, 66, 59] Operation: 84-25=59 Exploring Operation: 84-62=22, Resulting Numbers: [25, 66, 22] Generated Node #0,2: 63:[25, 66, 22] Operation: 84-62=22 Exploring Operation: 84-66=18, Resulting Numbers: [62, 25, 18] Generated Node #0,3: 63:[62, 25, 18] Operation: 84-66=18 Moving to Node #0,1 Current State: 63:[62, 66, 59], Operations: ['84-25=59'] Exploring Operation: 66-59=7, Resulting Numbers: [62, 7] Generated Node #0,1,0: 63:[62, 7] Operation: 66-59=7 Exploring Operation: 62+59=121, Resulting Numbers: [66, 121] Generated Node #0,1,1: 63:[66, 121] Operation: 62+59=121 Exploring Operation: 62-59=3, Resulting Numbers: [66, 3] Generated Node #0,1,2: 63:[66, 3] Operation: 62-59=3 Exploring Operation: 66-62=4, Resulting Numbers: [59, 4] Generated Node #0,1,3: 63:[59, 4] Operation: 66-62=4 Moving to Node #0,3 Current State: 63:[62, 25, 18], Operations: ['84-66=18'] Exploring Operation: 25+18=43, Resulting Numbers: [62, 43] Generated Node #0,3,0: 63:[62, 43] Operation: 25+18=43 Exploring Operation: 62+18=80, Resulting Numbers: [25, 80] Generated Node #0,3,1: 63:[25, 80] Operation: 62+18=80 Exploring Operation: 25-18=7, Resulting Numbers: [62, 7] Generated Node #0,3,2: 63:[62, 7] Operation: 25-18=7 Exploring Operation: 62-25=37, Resulting Numbers: [18, 37] Generated Node #0,3,3: 63:[18, 37] Operation: 62-25=37 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 63:[62, 7], Operations: ['84-66=18', '25-18=7'] Exploring Operation: 62*7=434, Resulting Numbers: [434] 434,63 unequal: No Solution Exploring Operation: 62-7=55, Resulting Numbers: [55] 55,63 unequal: No Solution Exploring Operation: 62+7=69, Resulting Numbers: [69] 69,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 63:[18, 37], Operations: ['84-66=18', '62-25=37'] Exploring Operation: 37-18=19, Resulting Numbers: [19] 19,63 unequal: No Solution Exploring Operation: 18+37=55, Resulting Numbers: [55] 55,63 unequal: No Solution Exploring Operation: 18*37=666, Resulting Numbers: [666] 666,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 63:[62, 43], Operations: ['84-66=18', '25+18=43'] Exploring Operation: 62+43=105, Resulting Numbers: [105] 105,63 unequal: No Solution Exploring Operation: 62*43=2666, Resulting Numbers: [2666] 2666,63 unequal: No Solution Exploring Operation: 62-43=19, Resulting Numbers: [19] 19,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 63:[25, 80], Operations: ['84-66=18', '62+18=80'] Exploring Operation: 25+80=105, Resulting Numbers: [105] 105,63 unequal: No Solution Exploring Operation: 25*80=2000, Resulting Numbers: [2000] 2000,63 unequal: No Solution Exploring Operation: 80-25=55, Resulting Numbers: [55] 55,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 63:[25, 66, 22], Operations: ['84-62=22'] Exploring Operation: 25+22=47, Resulting Numbers: [66, 47] Generated Node #0,2,0: 63:[66, 47] Operation: 25+22=47 Exploring Operation: 66-25=41, Resulting Numbers: [22, 41] Generated Node #0,2,1: 63:[22, 41] Operation: 66-25=41 Exploring Operation: 66/22=3, Resulting Numbers: [25, 3] Generated Node #0,2,2: 63:[25, 3] Operation: 66/22=3 Exploring Operation: 25-22=3, Resulting Numbers: [66, 3] Generated Node #0,2,3: 63:[66, 3] Operation: 25-22=3 Moving to Node #0,0 Current State: 63:[84, 25, 4], Operations: ['66-62=4'] Exploring Operation: 84-25=59, Resulting Numbers: [4, 59] Generated Node #0,0,0: 63:[4, 59] Operation: 84-25=59 Exploring Operation: 84-4=80, Resulting Numbers: [25, 80] Generated Node #0,0,1: 63:[25, 80] Operation: 84-4=80 Exploring Operation: 25-4=21, Resulting Numbers: [84, 21] Generated Node #0,0,2: 63:[84, 21] Operation: 25-4=21 Exploring Operation: 84/4=21, Resulting Numbers: [25, 21] Generated Node #0,0,3: 63:[25, 21] Operation: 84/4=21 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 63:[25, 21], Operations: ['66-62=4', '84/4=21'] Exploring Operation: 25*21=525, Resulting Numbers: [525] 525,63 unequal: No Solution Exploring Operation: 25-21=4, Resulting Numbers: [4] 4,63 unequal: No Solution Exploring Operation: 25+21=46, Resulting Numbers: [46] 46,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 63:[4, 59], Operations: ['66-62=4', '84-25=59'] Exploring Operation: 59-4=55, Resulting Numbers: [55] 55,63 unequal: No Solution Exploring Operation: 4+59=63, Resulting Numbers: [63] 63,63 equal: Goal Reached Moving to Node #0 Current State: 63:[84, 62, 25, 66], Operations: [] Exploring Operation: 66-62=4, Resulting Numbers: [84, 25, 4] Generated Node #0,0: 63:[84, 25, 4] Operation: 66-62=4 Moving to Node #0,0 Current State: 63:[84, 25, 4], Operations: ['66-62=4'] Exploring Operation: 84-25=59, Resulting Numbers: [4, 59] Generated Node #0,0,0: 63:[4, 59] Operation: 84-25=59 Moving to Node #0,0,0 Current State: 63:[4, 59], Operations: ['66-62=4', '84-25=59'] Exploring Operation: 4+59=63, Resulting Numbers: [63] 63,63 equal: Goal Reached Exit Sub Search at level 1
0.96441
hs_4
sum_heuristic
[ 16, 93, 99, 5 ]
84
[ "16-5=11", "99/11=9", "93-9=84" ]
Current State: 84:[16, 93, 99, 5], Operations: [] Exploring Operation: 16-5=11, Resulting Numbers: [93, 99, 11] Generated Node #2: [93, 99, 11] from Operation: 16-5=11 Current State: 84:[93, 99, 11], Operations: ['16-5=11'] Exploring Operation: 99/11=9, Resulting Numbers: [93, 9] Generated Node #3: [93, 9] from Operation: 99/11=9 Current State: 84:[93, 9], Operations: ['16-5=11', '99/11=9'] Exploring Operation: 93-9=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
4
Current State: 84:[16, 93, 99, 5], Operations: [] Exploring Operation: 99-93=6, Resulting Numbers: [16, 5, 6] Generated Node #0,0: 84:[16, 5, 6] Operation: 99-93=6 Exploring Operation: 99-16=83, Resulting Numbers: [93, 5, 83] Generated Node #0,1: 84:[93, 5, 83] Operation: 99-16=83 Exploring Operation: 93-5=88, Resulting Numbers: [16, 99, 88] Generated Node #0,2: 84:[16, 99, 88] Operation: 93-5=88 Moving to Node #0,0 Current State: 84:[16, 5, 6], Operations: ['99-93=6'] Exploring Operation: 16-5=11, Resulting Numbers: [6, 11] Generated Node #0,0,0: 84:[6, 11] Operation: 16-5=11 Exploring Operation: 16+6=22, Resulting Numbers: [5, 22] Generated Node #0,0,1: 84:[5, 22] Operation: 16+6=22 Exploring Operation: 16+5=21, Resulting Numbers: [6, 21] Generated Node #0,0,2: 84:[6, 21] Operation: 16+5=21 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 84:[6, 21], Operations: ['99-93=6', '16+5=21'] Exploring Operation: 21-6=15, Resulting Numbers: [15] 15,84 unequal: No Solution Exploring Operation: 6*21=126, Resulting Numbers: [126] 126,84 unequal: No Solution Exploring Operation: 6+21=27, Resulting Numbers: [27] 27,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 84:[6, 11], Operations: ['99-93=6', '16-5=11'] Exploring Operation: 6*11=66, Resulting Numbers: [66] 66,84 unequal: No Solution Exploring Operation: 6+11=17, Resulting Numbers: [17] 17,84 unequal: No Solution Exploring Operation: 11-6=5, Resulting Numbers: [5] 5,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 84:[5, 22], Operations: ['99-93=6', '16+6=22'] Exploring Operation: 5+22=27, Resulting Numbers: [27] 27,84 unequal: No Solution Exploring Operation: 5*22=110, Resulting Numbers: [110] 110,84 unequal: No Solution Exploring Operation: 22-5=17, Resulting Numbers: [17] 17,84 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: 84:[93, 5, 83], Operations: ['99-16=83'] Exploring Operation: 93-5=88, Resulting Numbers: [83, 88] Generated Node #0,1,0: 84:[83, 88] Operation: 93-5=88 Exploring Operation: 93-83=10, Resulting Numbers: [5, 10] Generated Node #0,1,1: 84:[5, 10] Operation: 93-83=10 Exploring Operation: 5+83=88, Resulting Numbers: [93, 88] Generated Node #0,1,2: 84:[93, 88] Operation: 5+83=88 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 84:[5, 10], Operations: ['99-16=83', '93-83=10'] Exploring Operation: 10/5=2, Resulting Numbers: [2] 2,84 unequal: No Solution Exploring Operation: 5+10=15, Resulting Numbers: [15] 15,84 unequal: No Solution Exploring Operation: 10-5=5, Resulting Numbers: [5] 5,84 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 #0,1,0 Current State: 84:[83, 88], Operations: ['99-16=83', '93-5=88'] Exploring Operation: 83+88=171, Resulting Numbers: [171] 171,84 unequal: No Solution Exploring Operation: 83*88=7304, Resulting Numbers: [7304] 7304,84 unequal: No Solution Exploring Operation: 88-83=5, Resulting Numbers: [5] 5,84 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 #0,1,2 Current State: 84:[93, 88], Operations: ['99-16=83', '5+83=88'] Exploring Operation: 93*88=8184, Resulting Numbers: [8184] 8184,84 unequal: No Solution Exploring Operation: 93-88=5, Resulting Numbers: [5] 5,84 unequal: No Solution Exploring Operation: 93+88=181, Resulting Numbers: [181] 181,84 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: 84:[16, 99, 88], Operations: ['93-5=88'] Exploring Operation: 99-16=83, Resulting Numbers: [88, 83] Generated Node #0,2,0: 84:[88, 83] Operation: 99-16=83 Exploring Operation: 99-88=11, Resulting Numbers: [16, 11] Generated Node #0,2,1: 84:[16, 11] Operation: 99-88=11 Exploring Operation: 88-16=72, Resulting Numbers: [99, 72] Generated Node #0,2,2: 84:[99, 72] Operation: 88-16=72 Moving to Node #0,2,1 Current State: 84:[16, 11], Operations: ['93-5=88', '99-88=11'] Exploring Operation: 16+11=27, Resulting Numbers: [27] 27,84 unequal: No Solution Exploring Operation: 16-11=5, Resulting Numbers: [5] 5,84 unequal: No Solution Exploring Operation: 16*11=176, Resulting Numbers: [176] 176,84 unequal: No Solution Moving to Node #0,2,0 Current State: 84:[88, 83], Operations: ['93-5=88', '99-16=83'] Exploring Operation: 88-83=5, Resulting Numbers: [5] 5,84 unequal: No Solution Exploring Operation: 88*83=7304, Resulting Numbers: [7304] 7304,84 unequal: No Solution Exploring Operation: 88+83=171, Resulting Numbers: [171] 171,84 unequal: No Solution Moving to Node #0,2,2 Current State: 84:[99, 72], Operations: ['93-5=88', '88-16=72'] Exploring Operation: 99*72=7128, Resulting Numbers: [7128] 7128,84 unequal: No Solution Exploring Operation: 99-72=27, Resulting Numbers: [27] 27,84 unequal: No Solution Exploring Operation: 99+72=171, Resulting Numbers: [171] 171,84 unequal: No Solution No solution found.
0
hs_3
mult_heuristic