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
[ 77, 73, 27, 27 ]
81
[ "77-73=4", "27*4=108", "108-27=81" ]
Current State: 81:[77, 73, 27, 27], Operations: [] Exploring Operation: 77-73=4, Resulting Numbers: [27, 27, 4] Generated Node #2: [27, 27, 4] from Operation: 77-73=4 Current State: 81:[27, 27, 4], Operations: ['77-73=4'] Exploring Operation: 27*4=108, Resulting Numbers: [108] 108,81 equal: Goal Reached Exploring Operation: 108-27=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[77, 73, 27, 27], Operations: [] Exploring Operation: 27/27=1, Resulting Numbers: [77, 73, 1] Generated Node #0,0: 81:[77, 73, 1] Operation: 27/27=1 Exploring Operation: 77-73=4, Resulting Numbers: [27, 27, 4] Generated Node #0,1: 81:[27, 27, 4] Operation: 77-73=4 Start Sub Search at level 1: Moving to Node #0,1 Current State: 81:[27, 27, 4], Operations: ['77-73=4'] Exploring Operation: 27/27=1, Resulting Numbers: [4, 1] Generated Node #0,1,0: 81:[4, 1] Operation: 27/27=1 Exploring Operation: 27-27=0, Resulting Numbers: [4, 0] Generated Node #0,1,1: 81:[4, 0] Operation: 27-27=0 Moving to Node #0,1,0 Current State: 81:[4, 1], Operations: ['77-73=4', '27/27=1'] Exploring Operation: 4*1=4, Resulting Numbers: [4] 4,81 unequal: No Solution Exploring Operation: 4-1=3, Resulting Numbers: [3] 3,81 unequal: No Solution Moving to Node #0,1,1 Current State: 81:[4, 0], Operations: ['77-73=4', '27-27=0'] Exploring Operation: 4+0=4, Resulting Numbers: [4] 4,81 unequal: No Solution Exploring Operation: 4-0=4, Resulting Numbers: [4] 4,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 81:[77, 73, 1], Operations: ['27/27=1'] Exploring Operation: 77+1=78, Resulting Numbers: [73, 78] Generated Node #0,0,0: 81:[73, 78] Operation: 77+1=78 Exploring Operation: 77-73=4, Resulting Numbers: [1, 4] Generated Node #0,0,1: 81:[1, 4] Operation: 77-73=4 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 81:[1, 4], Operations: ['27/27=1', '77-73=4'] Exploring Operation: 1*4=4, Resulting Numbers: [4] 4,81 unequal: No Solution Exploring Operation: 4-1=3, Resulting Numbers: [3] 3,81 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:[73, 78], Operations: ['27/27=1', '77+1=78'] Exploring Operation: 78-73=5, Resulting Numbers: [5] 5,81 unequal: No Solution Exploring Operation: 73+78=151, Resulting Numbers: [151] 151,81 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 No solution found.
0
hs_2
sum_heuristic
[ 30, 45, 69, 8 ]
62
[ "45-30=15", "69+8=77", "77-15=62" ]
Current State: 62:[30, 45, 69, 8], Operations: [] Exploring Operation: 45-30=15, Resulting Numbers: [69, 8, 15] Generated Node #2: [69, 8, 15] from Operation: 45-30=15 Current State: 62:[69, 8, 15], Operations: ['45-30=15'] Exploring Operation: 69+8=77, Resulting Numbers: [15, 77] Generated Node #3: [15, 77] from Operation: 69+8=77 Current State: 62:[15, 77], Operations: ['45-30=15', '69+8=77'] Exploring Operation: 77-15=62, Resulting Numbers: [62] 62,62 equal: Goal Reached
4
Current State: 62:[30, 45, 69, 8], Operations: [] Exploring Operation: 69-45=24, Resulting Numbers: [30, 8, 24] Generated Node #0,0: 62:[30, 8, 24] Operation: 69-45=24 Moving to Node #0,0 Current State: 62:[30, 8, 24], Operations: ['69-45=24'] Exploring Operation: 8+24=32, Resulting Numbers: [30, 32] Generated Node #0,0,0: 62:[30, 32] Operation: 8+24=32 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 62:[30, 32], Operations: ['69-45=24', '8+24=32'] Exploring Operation: 30+32=62, Resulting Numbers: [62] 62,62 equal: Goal Reached Moving to Node #0 Current State: 62:[30, 45, 69, 8], Operations: [] Exploring Operation: 69-45=24, Resulting Numbers: [30, 8, 24] Generated Node #0,0: 62:[30, 8, 24] Operation: 69-45=24 Moving to Node #0,0 Current State: 62:[30, 8, 24], Operations: ['69-45=24'] Exploring Operation: 8+24=32, Resulting Numbers: [30, 32] Generated Node #0,0,0: 62:[30, 32] Operation: 8+24=32 Moving to Node #0,0,0 Current State: 62:[30, 32], Operations: ['69-45=24', '8+24=32'] Exploring Operation: 30+32=62, Resulting Numbers: [62] 62,62 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 4, 12, 37, 22 ]
33
[ "4*12=48", "37-22=15", "48-15=33" ]
Current State: 33:[4, 12, 37, 22], Operations: [] Exploring Operation: 4*12=48, Resulting Numbers: [37, 22, 48] Generated Node #2: [37, 22, 48] from Operation: 4*12=48 Current State: 33:[37, 22, 48], Operations: ['4*12=48'] Exploring Operation: 37-22=15, Resulting Numbers: [48, 15] Generated Node #3: [48, 15] from Operation: 37-22=15 Current State: 33:[48, 15], Operations: ['4*12=48', '37-22=15'] Exploring Operation: 48-15=33, Resulting Numbers: [33] 33,33 equal: Goal Reached
4
Current State: 33:[4, 12, 37, 22], Operations: [] Exploring Operation: 12+22=34, Resulting Numbers: [4, 37, 34] Generated Node #0,0: 33:[4, 37, 34] Operation: 12+22=34 Moving to Node #0,0 Current State: 33:[4, 37, 34], Operations: ['12+22=34'] Exploring Operation: 37-4=33, Resulting Numbers: [34, 33] Generated Node #0,0,0: 33:[34, 33] Operation: 37-4=33 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 33:[34, 33], Operations: ['12+22=34', '37-4=33'] Exploring Operation: 34-33=1, Resulting Numbers: [1] 1,33 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
[ 30, 28, 53, 29 ]
51
[ "30+28=58", "58/29=2", "53-2=51" ]
Current State: 51:[30, 28, 53, 29], Operations: [] Exploring Operation: 30+28=58, Resulting Numbers: [53, 29, 58] Generated Node #2: [53, 29, 58] from Operation: 30+28=58 Current State: 51:[53, 29, 58], Operations: ['30+28=58'] Exploring Operation: 58/29=2, Resulting Numbers: [53, 2] Generated Node #3: [53, 2] from Operation: 58/29=2 Current State: 51:[53, 2], Operations: ['30+28=58', '58/29=2'] Exploring Operation: 53-2=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[30, 28, 53, 29], Operations: [] Exploring Operation: 30-28=2, Resulting Numbers: [53, 29, 2] Generated Node #0,0: 51:[53, 29, 2] Operation: 30-28=2 Exploring Operation: 30-29=1, Resulting Numbers: [28, 53, 1] Generated Node #0,1: 51:[28, 53, 1] Operation: 30-29=1 Exploring Operation: 29-28=1, Resulting Numbers: [30, 53, 1] Generated Node #0,2: 51:[30, 53, 1] Operation: 29-28=1 Exploring Operation: 30+28=58, Resulting Numbers: [53, 29, 58] Generated Node #0,3: 51:[53, 29, 58] Operation: 30+28=58 Moving to Node #0,0 Current State: 51:[53, 29, 2], Operations: ['30-28=2'] Exploring Operation: 53-29=24, Resulting Numbers: [2, 24] Generated Node #0,0,0: 51:[2, 24] Operation: 53-29=24 Exploring Operation: 53-2=51, Resulting Numbers: [29, 51] Generated Node #0,0,1: 51:[29, 51] Operation: 53-2=51 Exploring Operation: 29*2=58, Resulting Numbers: [53, 58] Generated Node #0,0,2: 51:[53, 58] Operation: 29*2=58 Exploring Operation: 29-2=27, Resulting Numbers: [53, 27] Generated Node #0,0,3: 51:[53, 27] Operation: 29-2=27 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 51:[2, 24], Operations: ['30-28=2', '53-29=24'] Exploring Operation: 2*24=48, Resulting Numbers: [48] 48,51 unequal: No Solution Exploring Operation: 2+24=26, Resulting Numbers: [26] 26,51 unequal: No Solution Exploring Operation: 24-2=22, Resulting Numbers: [22] 22,51 unequal: No Solution Exploring Operation: 24/2=12, Resulting Numbers: [12] 12,51 unequal: No Solution No 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: 51:[53, 58], Operations: ['30-28=2', '29*2=58'] Exploring Operation: 53*58=3074, Resulting Numbers: [3074] 3074,51 unequal: No Solution Exploring Operation: 53+58=111, Resulting Numbers: [111] 111,51 unequal: No Solution Exploring Operation: 58-53=5, Resulting Numbers: [5] 5,51 unequal: No Solution No 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: 51:[29, 51], Operations: ['30-28=2', '53-2=51'] Exploring Operation: 29+51=80, Resulting Numbers: [80] 80,51 unequal: No Solution Exploring Operation: 29*51=1479, Resulting Numbers: [1479] 1479,51 unequal: No Solution Exploring Operation: 51-29=22, Resulting Numbers: [22] 22,51 unequal: No Solution No 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: 51:[53, 27], Operations: ['30-28=2', '29-2=27'] Exploring Operation: 53-27=26, Resulting Numbers: [26] 26,51 unequal: No Solution Exploring Operation: 53+27=80, Resulting Numbers: [80] 80,51 unequal: No Solution Exploring Operation: 53*27=1431, Resulting Numbers: [1431] 1431,51 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: 51:[28, 53, 1], Operations: ['30-29=1'] Exploring Operation: 53-28=25, Resulting Numbers: [1, 25] Generated Node #0,1,0: 51:[1, 25] Operation: 53-28=25 Exploring Operation: 53-1=52, Resulting Numbers: [28, 52] Generated Node #0,1,1: 51:[28, 52] Operation: 53-1=52 Exploring Operation: 28-1=27, Resulting Numbers: [53, 27] Generated Node #0,1,2: 51:[53, 27] Operation: 28-1=27 Exploring Operation: 28*1=28, Resulting Numbers: [53, 28] Generated Node #0,1,3: 51:[53, 28] Operation: 28*1=28 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 51:[1, 25], Operations: ['30-29=1', '53-28=25'] Exploring Operation: 1+25=26, Resulting Numbers: [26] 26,51 unequal: No Solution Exploring Operation: 1*25=25, Resulting Numbers: [25] 25,51 unequal: No Solution Exploring Operation: 25/1=25, Resulting Numbers: [25] 25,51 unequal: No Solution Exploring Operation: 25-1=24, Resulting Numbers: [24] 24,51 unequal: No Solution No 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: 51:[28, 52], Operations: ['30-29=1', '53-1=52'] Exploring Operation: 28*52=1456, Resulting Numbers: [1456] 1456,51 unequal: No Solution Exploring Operation: 28+52=80, Resulting Numbers: [80] 80,51 unequal: No Solution Exploring Operation: 52-28=24, Resulting Numbers: [24] 24,51 unequal: No Solution No 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: 51:[53, 27], Operations: ['30-29=1', '28-1=27'] Exploring Operation: 53-27=26, Resulting Numbers: [26] 26,51 unequal: No Solution Exploring Operation: 53*27=1431, Resulting Numbers: [1431] 1431,51 unequal: No Solution Exploring Operation: 53+27=80, Resulting Numbers: [80] 80,51 unequal: No Solution No 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: 51:[53, 28], Operations: ['30-29=1', '28*1=28'] Exploring Operation: 53-28=25, Resulting Numbers: [25] 25,51 unequal: No Solution Exploring Operation: 53+28=81, Resulting Numbers: [81] 81,51 unequal: No Solution Exploring Operation: 53*28=1484, Resulting Numbers: [1484] 1484,51 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: 51:[30, 53, 1], Operations: ['29-28=1'] Exploring Operation: 53-1=52, Resulting Numbers: [30, 52] Generated Node #0,2,0: 51:[30, 52] Operation: 53-1=52 Exploring Operation: 30*1=30, Resulting Numbers: [53, 30] Generated Node #0,2,1: 51:[53, 30] Operation: 30*1=30 Exploring Operation: 30-1=29, Resulting Numbers: [53, 29] Generated Node #0,2,2: 51:[53, 29] Operation: 30-1=29 Exploring Operation: 53-30=23, Resulting Numbers: [1, 23] Generated Node #0,2,3: 51:[1, 23] Operation: 53-30=23 Moving to Node #0,3 Current State: 51:[53, 29, 58], Operations: ['30+28=58'] Exploring Operation: 58-29=29, Resulting Numbers: [53, 29] Generated Node #0,3,0: 51:[53, 29] Operation: 58-29=29 Exploring Operation: 53-29=24, Resulting Numbers: [58, 24] Generated Node #0,3,1: 51:[58, 24] Operation: 53-29=24 Exploring Operation: 58-53=5, Resulting Numbers: [29, 5] Generated Node #0,3,2: 51:[29, 5] Operation: 58-53=5 Exploring Operation: 58/29=2, Resulting Numbers: [53, 2] Generated Node #0,3,3: 51:[53, 2] Operation: 58/29=2 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 51:[53, 2], Operations: ['30+28=58', '58/29=2'] Exploring Operation: 53-2=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Moving to Node #0 Current State: 51:[30, 28, 53, 29], Operations: [] Exploring Operation: 30+28=58, Resulting Numbers: [53, 29, 58] Generated Node #0,3: 51:[53, 29, 58] Operation: 30+28=58 Moving to Node #0,3 Current State: 51:[53, 29, 58], Operations: ['30+28=58'] Exploring Operation: 58/29=2, Resulting Numbers: [53, 2] Generated Node #0,3,3: 51:[53, 2] Operation: 58/29=2 Moving to Node #0,3,3 Current State: 51:[53, 2], Operations: ['30+28=58', '58/29=2'] Exploring Operation: 53-2=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Exit Sub Search at level 1
0.955729
hs_4
mult_heuristic
[ 93, 50, 57, 50 ]
93
[ "50-50=0", "57*0=0", "93+0=93" ]
Current State: 93:[93, 50, 57, 50], Operations: [] Exploring Operation: 50-50=0, Resulting Numbers: [93, 57, 0] Generated Node #2: [93, 57, 0] from Operation: 50-50=0 Current State: 93:[93, 57, 0], Operations: ['50-50=0'] Exploring Operation: 57*0=0, Resulting Numbers: [93, 0] Generated Node #3: [93, 0] from Operation: 57*0=0 Current State: 93:[93, 0], Operations: ['50-50=0', '57*0=0'] Exploring Operation: 93+0=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
4
Current State: 93:[93, 50, 57, 50], Operations: [] Exploring Operation: 57-50=7, Resulting Numbers: [93, 50, 7] Generated Node #0,0: 93:[93, 50, 7] Operation: 57-50=7 Exploring Operation: 50/50=1, Resulting Numbers: [93, 57, 1] Generated Node #0,1: 93:[93, 57, 1] Operation: 50/50=1 Exploring Operation: 57-50=7, Resulting Numbers: [93, 50, 7] Generated Node #0,2: 93:[93, 50, 7] Operation: 57-50=7 Start Sub Search at level 1: Moving to Node #0,0 Current State: 93:[93, 50, 7], Operations: ['57-50=7'] Exploring Operation: 50-7=43, Resulting Numbers: [93, 43] Generated Node #0,0,0: 93:[93, 43] Operation: 50-7=43 Exploring Operation: 93+7=100, Resulting Numbers: [50, 100] Generated Node #0,0,1: 93:[50, 100] Operation: 93+7=100 Exploring Operation: 93-50=43, Resulting Numbers: [7, 43] Generated Node #0,0,2: 93:[7, 43] Operation: 93-50=43 Moving to Node #0,0,0 Current State: 93:[93, 43], Operations: ['57-50=7', '50-7=43'] Exploring Operation: 93*43=3999, Resulting Numbers: [3999] 3999,93 unequal: No Solution Exploring Operation: 93+43=136, Resulting Numbers: [136] 136,93 unequal: No Solution Exploring Operation: 93-43=50, Resulting Numbers: [50] 50,93 unequal: No Solution Moving to Node #0,0,2 Current State: 93:[7, 43], Operations: ['57-50=7', '93-50=43'] Exploring Operation: 7+43=50, Resulting Numbers: [50] 50,93 unequal: No Solution Exploring Operation: 43-7=36, Resulting Numbers: [36] 36,93 unequal: No Solution Exploring Operation: 7*43=301, Resulting Numbers: [301] 301,93 unequal: No Solution Moving to Node #0,0,1 Current State: 93:[50, 100], Operations: ['57-50=7', '93+7=100'] Exploring Operation: 100/50=2, Resulting Numbers: [2] 2,93 unequal: No Solution Exploring Operation: 100-50=50, Resulting Numbers: [50] 50,93 unequal: No Solution Exploring Operation: 50+100=150, Resulting Numbers: [150] 150,93 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 #0,2 Current State: 93:[93, 50, 7], Operations: ['57-50=7'] Exploring Operation: 93+7=100, Resulting Numbers: [50, 100] Generated Node #0,2,0: 93:[50, 100] Operation: 93+7=100 Exploring Operation: 50-7=43, Resulting Numbers: [93, 43] Generated Node #0,2,1: 93:[93, 43] Operation: 50-7=43 Exploring Operation: 93-50=43, Resulting Numbers: [7, 43] Generated Node #0,2,2: 93:[7, 43] Operation: 93-50=43 Moving to Node #0,2,1 Current State: 93:[93, 43], Operations: ['57-50=7', '50-7=43'] Exploring Operation: 93-43=50, Resulting Numbers: [50] 50,93 unequal: No Solution Exploring Operation: 93+43=136, Resulting Numbers: [136] 136,93 unequal: No Solution Exploring Operation: 93*43=3999, Resulting Numbers: [3999] 3999,93 unequal: No Solution Moving to Node #0,2,2 Current State: 93:[7, 43], Operations: ['57-50=7', '93-50=43'] Exploring Operation: 7*43=301, Resulting Numbers: [301] 301,93 unequal: No Solution Exploring Operation: 7+43=50, Resulting Numbers: [50] 50,93 unequal: No Solution Exploring Operation: 43-7=36, Resulting Numbers: [36] 36,93 unequal: No Solution Moving to Node #0,2,0 Current State: 93:[50, 100], Operations: ['57-50=7', '93+7=100'] Exploring Operation: 100/50=2, Resulting Numbers: [2] 2,93 unequal: No Solution Exploring Operation: 50+100=150, Resulting Numbers: [150] 150,93 unequal: No Solution Exploring Operation: 100-50=50, Resulting Numbers: [50] 50,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 93:[93, 57, 1], Operations: ['50/50=1'] Exploring Operation: 93-57=36, Resulting Numbers: [1, 36] Generated Node #0,1,0: 93:[1, 36] Operation: 93-57=36 Exploring Operation: 57-1=56, Resulting Numbers: [93, 56] Generated Node #0,1,1: 93:[93, 56] Operation: 57-1=56 Exploring Operation: 93*1=93, Resulting Numbers: [57, 93] Generated Node #0,1,2: 93:[57, 93] Operation: 93*1=93 Moving to Node #0,1,0 Current State: 93:[1, 36], Operations: ['50/50=1', '93-57=36'] Exploring Operation: 36/1=36, Resulting Numbers: [36] 36,93 unequal: No Solution Exploring Operation: 1*36=36, Resulting Numbers: [36] 36,93 unequal: No Solution Exploring Operation: 36-1=35, Resulting Numbers: [35] 35,93 unequal: No Solution Moving to Node #0,1,1 Current State: 93:[93, 56], Operations: ['50/50=1', '57-1=56'] Exploring Operation: 93+56=149, Resulting Numbers: [149] 149,93 unequal: No Solution Exploring Operation: 93-56=37, Resulting Numbers: [37] 37,93 unequal: No Solution Exploring Operation: 93*56=5208, Resulting Numbers: [5208] 5208,93 unequal: No Solution Moving to Node #0,1,2 Current State: 93:[57, 93], Operations: ['50/50=1', '93*1=93'] Exploring Operation: 57*93=5301, Resulting Numbers: [5301] 5301,93 unequal: No Solution Exploring Operation: 93-57=36, Resulting Numbers: [36] 36,93 unequal: No Solution Exploring Operation: 57+93=150, Resulting Numbers: [150] 150,93 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
[ 37, 10, 96, 83 ]
34
[ "37+10=47", "96-83=13", "47-13=34" ]
Current State: 34:[37, 10, 96, 83], Operations: [] Exploring Operation: 37+10=47, Resulting Numbers: [96, 83, 47] Generated Node #2: [96, 83, 47] from Operation: 37+10=47 Current State: 34:[96, 83, 47], Operations: ['37+10=47'] Exploring Operation: 96-83=13, Resulting Numbers: [47, 13] Generated Node #3: [47, 13] from Operation: 96-83=13 Current State: 34:[47, 13], Operations: ['37+10=47', '96-83=13'] Exploring Operation: 47-13=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
4
Current State: 34:[37, 10, 96, 83], Operations: [] Exploring Operation: 96-83=13, Resulting Numbers: [37, 10, 13] Generated Node #0,0: 34:[37, 10, 13] Operation: 96-83=13 Start Sub Search at level 1: Moving to Node #0,0 Current State: 34:[37, 10, 13], Operations: ['96-83=13'] Exploring Operation: 13-10=3, Resulting Numbers: [37, 3] Generated Node #0,0,0: 34:[37, 3] Operation: 13-10=3 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 34:[37, 3], Operations: ['96-83=13', '13-10=3'] Exploring Operation: 37-3=34, Resulting Numbers: [34] 34,34 equal: Goal Reached Moving to Node #0 Current State: 34:[37, 10, 96, 83], Operations: [] Exploring Operation: 96-83=13, Resulting Numbers: [37, 10, 13] Generated Node #0,0: 34:[37, 10, 13] Operation: 96-83=13 Moving to Node #0,0 Current State: 34:[37, 10, 13], Operations: ['96-83=13'] Exploring Operation: 13-10=3, Resulting Numbers: [37, 3] Generated Node #0,0,0: 34:[37, 3] Operation: 13-10=3 Moving to Node #0,0,0 Current State: 34:[37, 3], Operations: ['96-83=13', '13-10=3'] Exploring Operation: 37-3=34, Resulting Numbers: [34] 34,34 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 5, 97, 26, 55 ]
73
[ "5+97=102", "55-26=29", "102-29=73" ]
Current State: 73:[5, 97, 26, 55], Operations: [] Exploring Operation: 5+97=102, Resulting Numbers: [26, 55, 102] Generated Node #2: [26, 55, 102] from Operation: 5+97=102 Current State: 73:[26, 55, 102], Operations: ['5+97=102'] Exploring Operation: 55-26=29, Resulting Numbers: [102, 29] Generated Node #3: [102, 29] from Operation: 55-26=29 Current State: 73:[102, 29], Operations: ['5+97=102', '55-26=29'] Exploring Operation: 102-29=73, Resulting Numbers: [73] 73,73 equal: Goal Reached
4
Current State: 73:[5, 97, 26, 55], Operations: [] Exploring Operation: 5+97=102, Resulting Numbers: [26, 55, 102] Generated Node #0,0: 73:[26, 55, 102] Operation: 5+97=102 Exploring Operation: 97-26=71, Resulting Numbers: [5, 55, 71] Generated Node #0,1: 73:[5, 55, 71] Operation: 97-26=71 Exploring Operation: 97-5=92, Resulting Numbers: [26, 55, 92] Generated Node #0,2: 73:[26, 55, 92] Operation: 97-5=92 Exploring Operation: 5+55=60, Resulting Numbers: [97, 26, 60] Generated Node #0,3: 73:[97, 26, 60] Operation: 5+55=60 Exploring Operation: 5+26=31, Resulting Numbers: [97, 55, 31] Generated Node #0,4: 73:[97, 55, 31] Operation: 5+26=31 Start Sub Search at level 1: Moving to Node #0,2 Current State: 73:[26, 55, 92], Operations: ['97-5=92'] Exploring Operation: 26+92=118, Resulting Numbers: [55, 118] Generated Node #0,2,0: 73:[55, 118] Operation: 26+92=118 Exploring Operation: 92-55=37, Resulting Numbers: [26, 37] Generated Node #0,2,1: 73:[26, 37] Operation: 92-55=37 Exploring Operation: 92-26=66, Resulting Numbers: [55, 66] Generated Node #0,2,2: 73:[55, 66] Operation: 92-26=66 Exploring Operation: 55-26=29, Resulting Numbers: [92, 29] Generated Node #0,2,3: 73:[92, 29] Operation: 55-26=29 Exploring Operation: 26+55=81, Resulting Numbers: [92, 81] Generated Node #0,2,4: 73:[92, 81] Operation: 26+55=81 Moving to Node #0,2,2 Current State: 73:[55, 66], Operations: ['97-5=92', '92-26=66'] Exploring Operation: 66-55=11, Resulting Numbers: [11] 11,73 unequal: No Solution Exploring Operation: 55*66=3630, Resulting Numbers: [3630] 3630,73 unequal: No Solution Exploring Operation: 55+66=121, Resulting Numbers: [121] 121,73 unequal: No Solution Moving to Node #0,2,4 Current State: 73:[92, 81], Operations: ['97-5=92', '26+55=81'] Exploring Operation: 92*81=7452, Resulting Numbers: [7452] 7452,73 unequal: No Solution Exploring Operation: 92+81=173, Resulting Numbers: [173] 173,73 unequal: No Solution Exploring Operation: 92-81=11, Resulting Numbers: [11] 11,73 unequal: No Solution Moving to Node #0,2,0 Current State: 73:[55, 118], Operations: ['97-5=92', '26+92=118'] Exploring Operation: 118-55=63, Resulting Numbers: [63] 63,73 unequal: No Solution Exploring Operation: 55+118=173, Resulting Numbers: [173] 173,73 unequal: No Solution Exploring Operation: 55*118=6490, Resulting Numbers: [6490] 6490,73 unequal: No Solution Moving to Node #0,2,3 Current State: 73:[92, 29], Operations: ['97-5=92', '55-26=29'] Exploring Operation: 92*29=2668, Resulting Numbers: [2668] 2668,73 unequal: No Solution Exploring Operation: 92+29=121, Resulting Numbers: [121] 121,73 unequal: No Solution Exploring Operation: 92-29=63, Resulting Numbers: [63] 63,73 unequal: No Solution Moving to Node #0,2,1 Current State: 73:[26, 37], Operations: ['97-5=92', '92-55=37'] Exploring Operation: 26+37=63, Resulting Numbers: [63] 63,73 unequal: No Solution Exploring Operation: 26*37=962, Resulting Numbers: [962] 962,73 unequal: No Solution Exploring Operation: 37-26=11, Resulting Numbers: [11] 11,73 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 #0,3 Current State: 73:[97, 26, 60], Operations: ['5+55=60'] Exploring Operation: 26+60=86, Resulting Numbers: [97, 86] Generated Node #0,3,0: 73:[97, 86] Operation: 26+60=86 Exploring Operation: 60-26=34, Resulting Numbers: [97, 34] Generated Node #0,3,1: 73:[97, 34] Operation: 60-26=34 Exploring Operation: 97-26=71, Resulting Numbers: [60, 71] Generated Node #0,3,2: 73:[60, 71] Operation: 97-26=71 Exploring Operation: 97+26=123, Resulting Numbers: [60, 123] Generated Node #0,3,3: 73:[60, 123] Operation: 97+26=123 Exploring Operation: 97-60=37, Resulting Numbers: [26, 37] Generated Node #0,3,4: 73:[26, 37] Operation: 97-60=37 Moving to Node #0,3,2 Current State: 73:[60, 71], Operations: ['5+55=60', '97-26=71'] Exploring Operation: 60+71=131, Resulting Numbers: [131] 131,73 unequal: No Solution Exploring Operation: 60*71=4260, Resulting Numbers: [4260] 4260,73 unequal: No Solution Exploring Operation: 71-60=11, Resulting Numbers: [11] 11,73 unequal: No Solution Moving to Node #0,3,0 Current State: 73:[97, 86], Operations: ['5+55=60', '26+60=86'] Exploring Operation: 97*86=8342, Resulting Numbers: [8342] 8342,73 unequal: No Solution Exploring Operation: 97-86=11, Resulting Numbers: [11] 11,73 unequal: No Solution Exploring Operation: 97+86=183, Resulting Numbers: [183] 183,73 unequal: No Solution Moving to Node #0,3,1 Current State: 73:[97, 34], Operations: ['5+55=60', '60-26=34'] Exploring Operation: 97*34=3298, Resulting Numbers: [3298] 3298,73 unequal: No Solution Exploring Operation: 97-34=63, Resulting Numbers: [63] 63,73 unequal: No Solution Exploring Operation: 97+34=131, Resulting Numbers: [131] 131,73 unequal: No Solution Moving to Node #0,3,3 Current State: 73:[60, 123], Operations: ['5+55=60', '97+26=123'] Exploring Operation: 60*123=7380, Resulting Numbers: [7380] 7380,73 unequal: No Solution Exploring Operation: 60+123=183, Resulting Numbers: [183] 183,73 unequal: No Solution Exploring Operation: 123-60=63, Resulting Numbers: [63] 63,73 unequal: No Solution Moving to Node #0,3,4 Current State: 73:[26, 37], Operations: ['5+55=60', '97-60=37'] Exploring Operation: 26*37=962, Resulting Numbers: [962] 962,73 unequal: No Solution Exploring Operation: 26+37=63, Resulting Numbers: [63] 63,73 unequal: No Solution Exploring Operation: 37-26=11, Resulting Numbers: [11] 11,73 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 Current State: 73:[97, 55, 31], Operations: ['5+26=31'] Exploring Operation: 97-55=42, Resulting Numbers: [31, 42] Generated Node #0,4,0: 73:[31, 42] Operation: 97-55=42 Exploring Operation: 97-31=66, Resulting Numbers: [55, 66] Generated Node #0,4,1: 73:[55, 66] Operation: 97-31=66 Exploring Operation: 55-31=24, Resulting Numbers: [97, 24] Generated Node #0,4,2: 73:[97, 24] Operation: 55-31=24 Exploring Operation: 97+31=128, Resulting Numbers: [55, 128] Generated Node #0,4,3: 73:[55, 128] Operation: 97+31=128 Exploring Operation: 55+31=86, Resulting Numbers: [97, 86] Generated Node #0,4,4: 73:[97, 86] Operation: 55+31=86 Moving to Node #0,4,1 Current State: 73:[55, 66], Operations: ['5+26=31', '97-31=66'] Exploring Operation: 55+66=121, Resulting Numbers: [121] 121,73 unequal: No Solution Exploring Operation: 66-55=11, Resulting Numbers: [11] 11,73 unequal: No Solution Exploring Operation: 55*66=3630, Resulting Numbers: [3630] 3630,73 unequal: No Solution Moving to Node #0,4,4 Current State: 73:[97, 86], Operations: ['5+26=31', '55+31=86'] Exploring Operation: 97*86=8342, Resulting Numbers: [8342] 8342,73 unequal: No Solution Exploring Operation: 97-86=11, Resulting Numbers: [11] 11,73 unequal: No Solution Exploring Operation: 97+86=183, Resulting Numbers: [183] 183,73 unequal: No Solution Moving to Node #0,4,0 Current State: 73:[31, 42], Operations: ['5+26=31', '97-55=42'] Exploring Operation: 42-31=11, Resulting Numbers: [11] 11,73 unequal: No Solution Exploring Operation: 31+42=73, Resulting Numbers: [73] 73,73 equal: Goal Reached Moving to Node #0 Current State: 73:[5, 97, 26, 55], Operations: [] Exploring Operation: 5+26=31, Resulting Numbers: [97, 55, 31] Generated Node #0,4: 73:[97, 55, 31] Operation: 5+26=31 Moving to Node #0,4 Current State: 73:[97, 55, 31], Operations: ['5+26=31'] Exploring Operation: 97-55=42, Resulting Numbers: [31, 42] Generated Node #0,4,0: 73:[31, 42] Operation: 97-55=42 Moving to Node #0,4,0 Current State: 73:[31, 42], Operations: ['5+26=31', '97-55=42'] Exploring Operation: 31+42=73, Resulting Numbers: [73] 73,73 equal: Goal Reached Exit Sub Search at level 1
0.946181
hs_5
mult_heuristic
[ 68, 24, 57, 36 ]
65
[ "68-24=44", "57-36=21", "44+21=65" ]
Current State: 65:[68, 24, 57, 36], Operations: [] Exploring Operation: 68-24=44, Resulting Numbers: [57, 36, 44] Generated Node #2: [57, 36, 44] from Operation: 68-24=44 Current State: 65:[57, 36, 44], Operations: ['68-24=44'] Exploring Operation: 57-36=21, Resulting Numbers: [44, 21] Generated Node #3: [44, 21] from Operation: 57-36=21 Current State: 65:[44, 21], Operations: ['68-24=44', '57-36=21'] Exploring Operation: 44+21=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
4
Current State: 65:[68, 24, 57, 36], Operations: [] Exploring Operation: 24+36=60, Resulting Numbers: [68, 57, 60] Generated Node #0,0: 65:[68, 57, 60] Operation: 24+36=60 Exploring Operation: 68-57=11, Resulting Numbers: [24, 36, 11] Generated Node #0,1: 65:[24, 36, 11] Operation: 68-57=11 Exploring Operation: 36-24=12, Resulting Numbers: [68, 57, 12] Generated Node #0,2: 65:[68, 57, 12] Operation: 36-24=12 Exploring Operation: 57-36=21, Resulting Numbers: [68, 24, 21] Generated Node #0,3: 65:[68, 24, 21] Operation: 57-36=21 Start Sub Search at level 1: Moving to Node #0,2 Current State: 65:[68, 57, 12], Operations: ['36-24=12'] Exploring Operation: 68-12=56, Resulting Numbers: [57, 56] Generated Node #0,2,0: 65:[57, 56] Operation: 68-12=56 Exploring Operation: 68-57=11, Resulting Numbers: [12, 11] Generated Node #0,2,1: 65:[12, 11] Operation: 68-57=11 Exploring Operation: 57+12=69, Resulting Numbers: [68, 69] Generated Node #0,2,2: 65:[68, 69] Operation: 57+12=69 Exploring Operation: 68+12=80, Resulting Numbers: [57, 80] Generated Node #0,2,3: 65:[57, 80] Operation: 68+12=80 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 65:[12, 11], Operations: ['36-24=12', '68-57=11'] Exploring Operation: 12-11=1, Resulting Numbers: [1] 1,65 unequal: No Solution Exploring Operation: 12*11=132, Resulting Numbers: [132] 132,65 unequal: No Solution Exploring Operation: 12+11=23, Resulting Numbers: [23] 23,65 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 65:[68, 69], Operations: ['36-24=12', '57+12=69'] Exploring Operation: 68+69=137, Resulting Numbers: [137] 137,65 unequal: No Solution Exploring Operation: 69-68=1, Resulting Numbers: [1] 1,65 unequal: No Solution Exploring Operation: 68*69=4692, Resulting Numbers: [4692] 4692,65 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 65:[57, 56], Operations: ['36-24=12', '68-12=56'] Exploring Operation: 57-56=1, Resulting Numbers: [1] 1,65 unequal: No Solution Exploring Operation: 57*56=3192, Resulting Numbers: [3192] 3192,65 unequal: No Solution Exploring Operation: 57+56=113, Resulting Numbers: [113] 113,65 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 65:[57, 80], Operations: ['36-24=12', '68+12=80'] Exploring Operation: 57+80=137, Resulting Numbers: [137] 137,65 unequal: No Solution Exploring Operation: 57*80=4560, Resulting Numbers: [4560] 4560,65 unequal: No Solution Exploring Operation: 80-57=23, Resulting Numbers: [23] 23,65 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: 65:[68, 57, 60], Operations: ['24+36=60'] Exploring Operation: 60-57=3, Resulting Numbers: [68, 3] Generated Node #0,0,0: 65:[68, 3] Operation: 60-57=3 Exploring Operation: 57+60=117, Resulting Numbers: [68, 117] Generated Node #0,0,1: 65:[68, 117] Operation: 57+60=117 Exploring Operation: 68-60=8, Resulting Numbers: [57, 8] Generated Node #0,0,2: 65:[57, 8] Operation: 68-60=8 Exploring Operation: 68-57=11, Resulting Numbers: [60, 11] Generated Node #0,0,3: 65:[60, 11] Operation: 68-57=11 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 65:[68, 3], Operations: ['24+36=60', '60-57=3'] Exploring Operation: 68-3=65, Resulting Numbers: [65] 65,65 equal: Goal Reached Moving to Node #0 Current State: 65:[68, 24, 57, 36], Operations: [] Exploring Operation: 24+36=60, Resulting Numbers: [68, 57, 60] Generated Node #0,0: 65:[68, 57, 60] Operation: 24+36=60 Moving to Node #0,0 Current State: 65:[68, 57, 60], Operations: ['24+36=60'] Exploring Operation: 60-57=3, Resulting Numbers: [68, 3] Generated Node #0,0,0: 65:[68, 3] Operation: 60-57=3 Moving to Node #0,0,0 Current State: 65:[68, 3], Operations: ['24+36=60', '60-57=3'] Exploring Operation: 68-3=65, Resulting Numbers: [65] 65,65 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.974826
hs_4
sum_heuristic
[ 68, 96, 82, 24 ]
10
[ "82-68=14", "96/24=4", "14-4=10" ]
Current State: 10:[68, 96, 82, 24], Operations: [] Exploring Operation: 82-68=14, Resulting Numbers: [96, 24, 14] Generated Node #2: [96, 24, 14] from Operation: 82-68=14 Current State: 10:[96, 24, 14], Operations: ['82-68=14'] Exploring Operation: 96/24=4, Resulting Numbers: [14, 4] Generated Node #3: [14, 4] from Operation: 96/24=4 Current State: 10:[14, 4], Operations: ['82-68=14', '96/24=4'] Exploring Operation: 14-4=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
4
Current State: 10:[68, 96, 82, 24], Operations: [] Exploring Operation: 96-82=14, Resulting Numbers: [68, 24, 14] Generated Node #0,0: 10:[68, 24, 14] Operation: 96-82=14 Moving to Node #0,0 Current State: 10:[68, 24, 14], Operations: ['96-82=14'] Exploring Operation: 68-24=44, Resulting Numbers: [14, 44] Generated Node #0,0,0: 10:[14, 44] Operation: 68-24=44 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 10:[14, 44], Operations: ['96-82=14', '68-24=44'] Exploring Operation: 44-14=30, Resulting Numbers: [30] 30,10 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 37, 74, 52, 86 ]
51
[ "37*74=2738", "2738-86=2652", "2652/52=51" ]
Current State: 51:[37, 74, 52, 86], Operations: [] Exploring Operation: 37*74=2738, Resulting Numbers: [52, 86, 2738] Generated Node #2: [52, 86, 2738] from Operation: 37*74=2738 Current State: 51:[52, 86, 2738], Operations: ['37*74=2738'] Exploring Operation: 2738-86=2652, Resulting Numbers: [52, 2652] Generated Node #3: [52, 2652] from Operation: 2738-86=2652 Current State: 51:[52, 2652], Operations: ['37*74=2738', '2738-86=2652'] Exploring Operation: 2652/52=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[37, 74, 52, 86], Operations: [] Exploring Operation: 74-37=37, Resulting Numbers: [52, 86, 37] Generated Node #0,0: 51:[52, 86, 37] Operation: 74-37=37 Exploring Operation: 86-37=49, Resulting Numbers: [74, 52, 49] Generated Node #0,1: 51:[74, 52, 49] Operation: 86-37=49 Exploring Operation: 74/37=2, Resulting Numbers: [52, 86, 2] Generated Node #0,2: 51:[52, 86, 2] Operation: 74/37=2 Exploring Operation: 86-74=12, Resulting Numbers: [37, 52, 12] Generated Node #0,3: 51:[37, 52, 12] Operation: 86-74=12 Start Sub Search at level 1: Moving to Node #0,3 Current State: 51:[37, 52, 12], Operations: ['86-74=12'] Exploring Operation: 37-12=25, Resulting Numbers: [52, 25] Generated Node #0,3,0: 51:[52, 25] Operation: 37-12=25 Exploring Operation: 37+12=49, Resulting Numbers: [52, 49] Generated Node #0,3,1: 51:[52, 49] Operation: 37+12=49 Exploring Operation: 52-12=40, Resulting Numbers: [37, 40] Generated Node #0,3,2: 51:[37, 40] Operation: 52-12=40 Exploring Operation: 52-37=15, Resulting Numbers: [12, 15] Generated Node #0,3,3: 51:[12, 15] Operation: 52-37=15 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 51:[52, 49], Operations: ['86-74=12', '37+12=49'] Exploring Operation: 52+49=101, Resulting Numbers: [101] 101,51 unequal: No Solution Exploring Operation: 52*49=2548, Resulting Numbers: [2548] 2548,51 unequal: No Solution Exploring Operation: 52-49=3, Resulting Numbers: [3] 3,51 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 51:[12, 15], Operations: ['86-74=12', '52-37=15'] Exploring Operation: 15-12=3, Resulting Numbers: [3] 3,51 unequal: No Solution Exploring Operation: 12*15=180, Resulting Numbers: [180] 180,51 unequal: No Solution Exploring Operation: 12+15=27, Resulting Numbers: [27] 27,51 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 51:[52, 25], Operations: ['86-74=12', '37-12=25'] Exploring Operation: 52-25=27, Resulting Numbers: [27] 27,51 unequal: No Solution Exploring Operation: 52*25=1300, Resulting Numbers: [1300] 1300,51 unequal: No Solution Exploring Operation: 52+25=77, Resulting Numbers: [77] 77,51 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 51:[37, 40], Operations: ['86-74=12', '52-12=40'] Exploring Operation: 40-37=3, Resulting Numbers: [3] 3,51 unequal: No Solution Exploring Operation: 37+40=77, Resulting Numbers: [77] 77,51 unequal: No Solution Exploring Operation: 37*40=1480, Resulting Numbers: [1480] 1480,51 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 51:[74, 52, 49], Operations: ['86-37=49'] Exploring Operation: 74+49=123, Resulting Numbers: [52, 123] Generated Node #0,1,0: 51:[52, 123] Operation: 74+49=123 Exploring Operation: 52-49=3, Resulting Numbers: [74, 3] Generated Node #0,1,1: 51:[74, 3] Operation: 52-49=3 Exploring Operation: 74-49=25, Resulting Numbers: [52, 25] Generated Node #0,1,2: 51:[52, 25] Operation: 74-49=25 Exploring Operation: 74-52=22, Resulting Numbers: [49, 22] Generated Node #0,1,3: 51:[49, 22] Operation: 74-52=22 Moving to Node #0,1,3 Current State: 51:[49, 22], Operations: ['86-37=49', '74-52=22'] Exploring Operation: 49-22=27, Resulting Numbers: [27] 27,51 unequal: No Solution Exploring Operation: 49+22=71, Resulting Numbers: [71] 71,51 unequal: No Solution Exploring Operation: 49*22=1078, Resulting Numbers: [1078] 1078,51 unequal: No Solution Moving to Node #0,1,2 Current State: 51:[52, 25], Operations: ['86-37=49', '74-49=25'] Exploring Operation: 52+25=77, Resulting Numbers: [77] 77,51 unequal: No Solution Exploring Operation: 52*25=1300, Resulting Numbers: [1300] 1300,51 unequal: No Solution Exploring Operation: 52-25=27, Resulting Numbers: [27] 27,51 unequal: No Solution Moving to Node #0,1,1 Current State: 51:[74, 3], Operations: ['86-37=49', '52-49=3'] Exploring Operation: 74-3=71, Resulting Numbers: [71] 71,51 unequal: No Solution Exploring Operation: 74*3=222, Resulting Numbers: [222] 222,51 unequal: No Solution Exploring Operation: 74+3=77, Resulting Numbers: [77] 77,51 unequal: No Solution Moving to Node #0,1,0 Current State: 51:[52, 123], Operations: ['86-37=49', '74+49=123'] Exploring Operation: 52+123=175, Resulting Numbers: [175] 175,51 unequal: No Solution Exploring Operation: 123-52=71, Resulting Numbers: [71] 71,51 unequal: No Solution Exploring Operation: 52*123=6396, Resulting Numbers: [6396] 6396,51 unequal: No Solution No 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: 51:[52, 86, 2], Operations: ['74/37=2'] Exploring Operation: 86/2=43, Resulting Numbers: [52, 43] Generated Node #0,2,0: 51:[52, 43] Operation: 86/2=43 Exploring Operation: 86-52=34, Resulting Numbers: [2, 34] Generated Node #0,2,1: 51:[2, 34] Operation: 86-52=34 Exploring Operation: 86-2=84, Resulting Numbers: [52, 84] Generated Node #0,2,2: 51:[52, 84] Operation: 86-2=84 Exploring Operation: 52-2=50, Resulting Numbers: [86, 50] Generated Node #0,2,3: 51:[86, 50] Operation: 52-2=50 Moving to Node #0,2,0 Current State: 51:[52, 43], Operations: ['74/37=2', '86/2=43'] Exploring Operation: 52-43=9, Resulting Numbers: [9] 9,51 unequal: No Solution Exploring Operation: 52*43=2236, Resulting Numbers: [2236] 2236,51 unequal: No Solution Exploring Operation: 52+43=95, Resulting Numbers: [95] 95,51 unequal: No Solution Moving to Node #0,2,1 Current State: 51:[2, 34], Operations: ['74/37=2', '86-52=34'] Exploring Operation: 34-2=32, Resulting Numbers: [32] 32,51 unequal: No Solution Exploring Operation: 2*34=68, Resulting Numbers: [68] 68,51 unequal: No Solution Exploring Operation: 34/2=17, Resulting Numbers: [17] 17,51 unequal: No Solution Exploring Operation: 2+34=36, Resulting Numbers: [36] 36,51 unequal: No Solution Moving to Node #0,2,2 Current State: 51:[52, 84], Operations: ['74/37=2', '86-2=84'] Exploring Operation: 52*84=4368, Resulting Numbers: [4368] 4368,51 unequal: No Solution Exploring Operation: 52+84=136, Resulting Numbers: [136] 136,51 unequal: No Solution Exploring Operation: 84-52=32, Resulting Numbers: [32] 32,51 unequal: No Solution Moving to Node #0,2,3 Current State: 51:[86, 50], Operations: ['74/37=2', '52-2=50'] Exploring Operation: 86+50=136, Resulting Numbers: [136] 136,51 unequal: No Solution Exploring Operation: 86-50=36, Resulting Numbers: [36] 36,51 unequal: No Solution Exploring Operation: 86*50=4300, Resulting Numbers: [4300] 4300,51 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 51:[52, 86, 37], Operations: ['74-37=37'] Exploring Operation: 52-37=15, Resulting Numbers: [86, 15] Generated Node #0,0,0: 51:[86, 15] Operation: 52-37=15 Exploring Operation: 52+37=89, Resulting Numbers: [86, 89] Generated Node #0,0,1: 51:[86, 89] Operation: 52+37=89 Exploring Operation: 86-52=34, Resulting Numbers: [37, 34] Generated Node #0,0,2: 51:[37, 34] Operation: 86-52=34 Exploring Operation: 86-37=49, Resulting Numbers: [52, 49] Generated Node #0,0,3: 51:[52, 49] Operation: 86-37=49 Moving to Node #0,0,3 Current State: 51:[52, 49], Operations: ['74-37=37', '86-37=49'] Exploring Operation: 52+49=101, Resulting Numbers: [101] 101,51 unequal: No Solution Exploring Operation: 52-49=3, Resulting Numbers: [3] 3,51 unequal: No Solution Exploring Operation: 52*49=2548, Resulting Numbers: [2548] 2548,51 unequal: No Solution Moving to Node #0,0,2 Current State: 51:[37, 34], Operations: ['74-37=37', '86-52=34'] Exploring Operation: 37*34=1258, Resulting Numbers: [1258] 1258,51 unequal: No Solution Exploring Operation: 37+34=71, Resulting Numbers: [71] 71,51 unequal: No Solution Exploring Operation: 37-34=3, Resulting Numbers: [3] 3,51 unequal: No Solution Moving to Node #0,0,0 Current State: 51:[86, 15], Operations: ['74-37=37', '52-37=15'] Exploring Operation: 86+15=101, Resulting Numbers: [101] 101,51 unequal: No Solution Exploring Operation: 86-15=71, Resulting Numbers: [71] 71,51 unequal: No Solution Exploring Operation: 86*15=1290, Resulting Numbers: [1290] 1290,51 unequal: No Solution Moving to Node #0,0,1 Current State: 51:[86, 89], Operations: ['74-37=37', '52+37=89'] Exploring Operation: 86*89=7654, Resulting Numbers: [7654] 7654,51 unequal: No Solution Exploring Operation: 89-86=3, Resulting Numbers: [3] 3,51 unequal: No Solution Exploring Operation: 86+89=175, Resulting Numbers: [175] 175,51 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
[ 41, 90, 6, 3 ]
27
[ "41*3=123", "90+6=96", "123-96=27" ]
Current State: 27:[41, 90, 6, 3], Operations: [] Exploring Operation: 41*3=123, Resulting Numbers: [90, 6, 123] Generated Node #2: [90, 6, 123] from Operation: 41*3=123 Current State: 27:[90, 6, 123], Operations: ['41*3=123'] Exploring Operation: 90+6=96, Resulting Numbers: [123, 96] Generated Node #3: [123, 96] from Operation: 90+6=96 Current State: 27:[123, 96], Operations: ['41*3=123', '90+6=96'] Exploring Operation: 123-96=27, Resulting Numbers: [27] 27,27 equal: Goal Reached
4
Current State: 27:[41, 90, 6, 3], Operations: [] Exploring Operation: 90/6=15, Resulting Numbers: [41, 3, 15] Generated Node #0,0: 27:[41, 3, 15] Operation: 90/6=15 Exploring Operation: 90/3=30, Resulting Numbers: [41, 6, 30] Generated Node #0,1: 27:[41, 6, 30] Operation: 90/3=30 Exploring Operation: 41-6=35, Resulting Numbers: [90, 3, 35] Generated Node #0,2: 27:[90, 3, 35] Operation: 41-6=35 Exploring Operation: 90-41=49, Resulting Numbers: [6, 3, 49] Generated Node #0,3: 27:[6, 3, 49] Operation: 90-41=49 Start Sub Search at level 1: Moving to Node #0,0 Current State: 27:[41, 3, 15], Operations: ['90/6=15'] Exploring Operation: 15/3=5, Resulting Numbers: [41, 5] Generated Node #0,0,0: 27:[41, 5] Operation: 15/3=5 Exploring Operation: 15-3=12, Resulting Numbers: [41, 12] Generated Node #0,0,1: 27:[41, 12] Operation: 15-3=12 Exploring Operation: 41-3=38, Resulting Numbers: [15, 38] Generated Node #0,0,2: 27:[15, 38] Operation: 41-3=38 Exploring Operation: 41-15=26, Resulting Numbers: [3, 26] Generated Node #0,0,3: 27:[3, 26] Operation: 41-15=26 Moving to Node #0,0,3 Current State: 27:[3, 26], Operations: ['90/6=15', '41-15=26'] Exploring Operation: 26-3=23, Resulting Numbers: [23] 23,27 unequal: No Solution Exploring Operation: 3*26=78, Resulting Numbers: [78] 78,27 unequal: No Solution Exploring Operation: 3+26=29, Resulting Numbers: [29] 29,27 unequal: No Solution Moving to Node #0,0,0 Current State: 27:[41, 5], Operations: ['90/6=15', '15/3=5'] Exploring Operation: 41*5=205, Resulting Numbers: [205] 205,27 unequal: No Solution Exploring Operation: 41+5=46, Resulting Numbers: [46] 46,27 unequal: No Solution Exploring Operation: 41-5=36, Resulting Numbers: [36] 36,27 unequal: No Solution Moving to Node #0,0,2 Current State: 27:[15, 38], Operations: ['90/6=15', '41-3=38'] Exploring Operation: 38-15=23, Resulting Numbers: [23] 23,27 unequal: No Solution Exploring Operation: 15+38=53, Resulting Numbers: [53] 53,27 unequal: No Solution Exploring Operation: 15*38=570, Resulting Numbers: [570] 570,27 unequal: No Solution Moving to Node #0,0,1 Current State: 27:[41, 12], Operations: ['90/6=15', '15-3=12'] Exploring Operation: 41-12=29, Resulting Numbers: [29] 29,27 unequal: No Solution Exploring Operation: 41+12=53, Resulting Numbers: [53] 53,27 unequal: No Solution Exploring Operation: 41*12=492, Resulting Numbers: [492] 492,27 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 27:[41, 6, 30], Operations: ['90/3=30'] Exploring Operation: 41-6=35, Resulting Numbers: [30, 35] Generated Node #0,1,0: 27:[30, 35] Operation: 41-6=35 Exploring Operation: 41-30=11, Resulting Numbers: [6, 11] Generated Node #0,1,1: 27:[6, 11] Operation: 41-30=11 Exploring Operation: 30-6=24, Resulting Numbers: [41, 24] Generated Node #0,1,2: 27:[41, 24] Operation: 30-6=24 Exploring Operation: 30/6=5, Resulting Numbers: [41, 5] Generated Node #0,1,3: 27:[41, 5] Operation: 30/6=5 Moving to Node #0,1,1 Current State: 27:[6, 11], Operations: ['90/3=30', '41-30=11'] Exploring Operation: 6*11=66, Resulting Numbers: [66] 66,27 unequal: No Solution Exploring Operation: 11-6=5, Resulting Numbers: [5] 5,27 unequal: No Solution Exploring Operation: 6+11=17, Resulting Numbers: [17] 17,27 unequal: No Solution Moving to Node #0,1,0 Current State: 27:[30, 35], Operations: ['90/3=30', '41-6=35'] Exploring Operation: 30*35=1050, Resulting Numbers: [1050] 1050,27 unequal: No Solution Exploring Operation: 30+35=65, Resulting Numbers: [65] 65,27 unequal: No Solution Exploring Operation: 35-30=5, Resulting Numbers: [5] 5,27 unequal: No Solution Moving to Node #0,1,3 Current State: 27:[41, 5], Operations: ['90/3=30', '30/6=5'] Exploring Operation: 41-5=36, Resulting Numbers: [36] 36,27 unequal: No Solution Exploring Operation: 41*5=205, Resulting Numbers: [205] 205,27 unequal: No Solution Exploring Operation: 41+5=46, Resulting Numbers: [46] 46,27 unequal: No Solution Moving to Node #0,1,2 Current State: 27:[41, 24], Operations: ['90/3=30', '30-6=24'] Exploring Operation: 41+24=65, Resulting Numbers: [65] 65,27 unequal: No Solution Exploring Operation: 41*24=984, Resulting Numbers: [984] 984,27 unequal: No Solution Exploring Operation: 41-24=17, Resulting Numbers: [17] 17,27 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 27:[6, 3, 49], Operations: ['90-41=49'] Exploring Operation: 49-6=43, Resulting Numbers: [3, 43] Generated Node #0,3,0: 27:[3, 43] Operation: 49-6=43 Exploring Operation: 49-3=46, Resulting Numbers: [6, 46] Generated Node #0,3,1: 27:[6, 46] Operation: 49-3=46 Exploring Operation: 6+3=9, Resulting Numbers: [49, 9] Generated Node #0,3,2: 27:[49, 9] Operation: 6+3=9 Exploring Operation: 6-3=3, Resulting Numbers: [49, 3] Generated Node #0,3,3: 27:[49, 3] Operation: 6-3=3 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 27:[3, 43], Operations: ['90-41=49', '49-6=43'] Exploring Operation: 3*43=129, Resulting Numbers: [129] 129,27 unequal: No Solution Exploring Operation: 43-3=40, Resulting Numbers: [40] 40,27 unequal: No Solution Exploring Operation: 3+43=46, Resulting Numbers: [46] 46,27 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 27:[6, 46], Operations: ['90-41=49', '49-3=46'] Exploring Operation: 6*46=276, Resulting Numbers: [276] 276,27 unequal: No Solution Exploring Operation: 46-6=40, Resulting Numbers: [40] 40,27 unequal: No Solution Exploring Operation: 6+46=52, Resulting Numbers: [52] 52,27 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 27:[49, 9], Operations: ['90-41=49', '6+3=9'] Exploring Operation: 49+9=58, Resulting Numbers: [58] 58,27 unequal: No Solution Exploring Operation: 49*9=441, Resulting Numbers: [441] 441,27 unequal: No Solution Exploring Operation: 49-9=40, Resulting Numbers: [40] 40,27 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 27:[49, 3], Operations: ['90-41=49', '6-3=3'] Exploring Operation: 49+3=52, Resulting Numbers: [52] 52,27 unequal: No Solution Exploring Operation: 49-3=46, Resulting Numbers: [46] 46,27 unequal: No Solution Exploring Operation: 49*3=147, Resulting Numbers: [147] 147,27 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:[90, 3, 35], Operations: ['41-6=35'] Exploring Operation: 90-35=55, Resulting Numbers: [3, 55] Generated Node #0,2,0: 27:[3, 55] Operation: 90-35=55 Exploring Operation: 90-3=87, Resulting Numbers: [35, 87] Generated Node #0,2,1: 27:[35, 87] Operation: 90-3=87 Exploring Operation: 35-3=32, Resulting Numbers: [90, 32] Generated Node #0,2,2: 27:[90, 32] Operation: 35-3=32 Exploring Operation: 90/3=30, Resulting Numbers: [35, 30] Generated Node #0,2,3: 27:[35, 30] Operation: 90/3=30 Moving to Node #0,2,3 Current State: 27:[35, 30], Operations: ['41-6=35', '90/3=30'] Exploring Operation: 35+30=65, Resulting Numbers: [65] 65,27 unequal: No Solution Exploring Operation: 35-30=5, Resulting Numbers: [5] 5,27 unequal: No Solution Exploring Operation: 35*30=1050, Resulting Numbers: [1050] 1050,27 unequal: No Solution Moving to Node #0,2,0 Current State: 27:[3, 55], Operations: ['41-6=35', '90-35=55'] Exploring Operation: 3+55=58, Resulting Numbers: [58] 58,27 unequal: No Solution Exploring Operation: 55-3=52, Resulting Numbers: [52] 52,27 unequal: No Solution Exploring Operation: 3*55=165, Resulting Numbers: [165] 165,27 unequal: No Solution Moving to Node #0,2,2 Current State: 27:[90, 32], Operations: ['41-6=35', '35-3=32'] Exploring Operation: 90+32=122, Resulting Numbers: [122] 122,27 unequal: No Solution Exploring Operation: 90*32=2880, Resulting Numbers: [2880] 2880,27 unequal: No Solution Exploring Operation: 90-32=58, Resulting Numbers: [58] 58,27 unequal: No Solution Moving to Node #0,2,1 Current State: 27:[35, 87], Operations: ['41-6=35', '90-3=87'] Exploring Operation: 87-35=52, Resulting Numbers: [52] 52,27 unequal: No Solution Exploring Operation: 35*87=3045, Resulting Numbers: [3045] 3045,27 unequal: No Solution Exploring Operation: 35+87=122, Resulting Numbers: [122] 122,27 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
mult_heuristic
[ 15, 12, 34, 30 ]
91
[ "15+12=27", "34+30=64", "27+64=91" ]
Current State: 91:[15, 12, 34, 30], Operations: [] Exploring Operation: 15+12=27, Resulting Numbers: [34, 30, 27] Generated Node #2: [34, 30, 27] from Operation: 15+12=27 Current State: 91:[34, 30, 27], Operations: ['15+12=27'] Exploring Operation: 34+30=64, Resulting Numbers: [27, 64] Generated Node #3: [27, 64] from Operation: 34+30=64 Current State: 91:[27, 64], Operations: ['15+12=27', '34+30=64'] Exploring Operation: 27+64=91, Resulting Numbers: [91] 91,91 equal: Goal Reached
4
Current State: 91:[15, 12, 34, 30], Operations: [] Exploring Operation: 34-30=4, Resulting Numbers: [15, 12, 4] Generated Node #0,0: 91:[15, 12, 4] Operation: 34-30=4 Exploring Operation: 34-15=19, Resulting Numbers: [12, 30, 19] Generated Node #0,1: 91:[12, 30, 19] Operation: 34-15=19 Start Sub Search at level 1: Moving to Node #0,0 Current State: 91:[15, 12, 4], Operations: ['34-30=4'] Exploring Operation: 12-4=8, Resulting Numbers: [15, 8] Generated Node #0,0,0: 91:[15, 8] Operation: 12-4=8 Exploring Operation: 15-4=11, Resulting Numbers: [12, 11] Generated Node #0,0,1: 91:[12, 11] Operation: 15-4=11 Moving to Node #0,0,0 Current State: 91:[15, 8], Operations: ['34-30=4', '12-4=8'] Exploring Operation: 15-8=7, Resulting Numbers: [7] 7,91 unequal: No Solution Exploring Operation: 15+8=23, Resulting Numbers: [23] 23,91 unequal: No Solution Moving to Node #0,0,1 Current State: 91:[12, 11], Operations: ['34-30=4', '15-4=11'] Exploring Operation: 12+11=23, Resulting Numbers: [23] 23,91 unequal: No Solution Exploring Operation: 12-11=1, Resulting Numbers: [1] 1,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 91:[12, 30, 19], Operations: ['34-15=19'] Exploring Operation: 30-12=18, Resulting Numbers: [19, 18] Generated Node #0,1,0: 91:[19, 18] Operation: 30-12=18 Exploring Operation: 30-19=11, Resulting Numbers: [12, 11] Generated Node #0,1,1: 91:[12, 11] Operation: 30-19=11 Moving to Node #0,1,1 Current State: 91:[12, 11], Operations: ['34-15=19', '30-19=11'] Exploring Operation: 12-11=1, Resulting Numbers: [1] 1,91 unequal: No Solution Exploring Operation: 12+11=23, Resulting Numbers: [23] 23,91 unequal: No Solution Moving to Node #0,1,0 Current State: 91:[19, 18], Operations: ['34-15=19', '30-12=18'] Exploring Operation: 19+18=37, Resulting Numbers: [37] 37,91 unequal: No Solution Exploring Operation: 19-18=1, Resulting Numbers: [1] 1,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 61, 98, 56, 56 ]
38
[ "98-61=37", "56/56=1", "37+1=38" ]
Current State: 38:[61, 98, 56, 56], Operations: [] Exploring Operation: 98-61=37, Resulting Numbers: [56, 56, 37] Generated Node #2: [56, 56, 37] from Operation: 98-61=37 Current State: 38:[56, 56, 37], Operations: ['98-61=37'] Exploring Operation: 56/56=1, Resulting Numbers: [37, 1] Generated Node #3: [37, 1] from Operation: 56/56=1 Current State: 38:[37, 1], Operations: ['98-61=37', '56/56=1'] Exploring Operation: 37+1=38, Resulting Numbers: [38] 38,38 equal: Goal Reached
4
Current State: 38:[61, 98, 56, 56], Operations: [] Exploring Operation: 98-56=42, Resulting Numbers: [61, 56, 42] Generated Node #0,0: 38:[61, 56, 42] Operation: 98-56=42 Exploring Operation: 98-61=37, Resulting Numbers: [56, 56, 37] Generated Node #0,1: 38:[56, 56, 37] Operation: 98-61=37 Exploring Operation: 98-56=42, Resulting Numbers: [61, 56, 42] Generated Node #0,2: 38:[61, 56, 42] Operation: 98-56=42 Moving to Node #0,1 Current State: 38:[56, 56, 37], Operations: ['98-61=37'] Exploring Operation: 56-56=0, Resulting Numbers: [37, 0] Generated Node #0,1,0: 38:[37, 0] Operation: 56-56=0 Exploring Operation: 56-37=19, Resulting Numbers: [56, 19] Generated Node #0,1,1: 38:[56, 19] Operation: 56-37=19 Exploring Operation: 56/56=1, Resulting Numbers: [37, 1] Generated Node #0,1,2: 38:[37, 1] Operation: 56/56=1 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 38:[37, 1], Operations: ['98-61=37', '56/56=1'] Exploring Operation: 37+1=38, Resulting Numbers: [38] 38,38 equal: Goal Reached Moving to Node #0 Current State: 38:[61, 98, 56, 56], Operations: [] Exploring Operation: 98-61=37, Resulting Numbers: [56, 56, 37] Generated Node #0,1: 38:[56, 56, 37] Operation: 98-61=37 Moving to Node #0,1 Current State: 38:[56, 56, 37], Operations: ['98-61=37'] Exploring Operation: 56/56=1, Resulting Numbers: [37, 1] Generated Node #0,1,2: 38:[37, 1] Operation: 56/56=1 Moving to Node #0,1,2 Current State: 38:[37, 1], Operations: ['98-61=37', '56/56=1'] Exploring Operation: 37+1=38, Resulting Numbers: [38] 38,38 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_3
mult_heuristic
[ 38, 55, 50, 41 ]
26
[ "55-38=17", "50-41=9", "17+9=26" ]
Current State: 26:[38, 55, 50, 41], Operations: [] Exploring Operation: 55-38=17, Resulting Numbers: [50, 41, 17] Generated Node #2: [50, 41, 17] from Operation: 55-38=17 Current State: 26:[50, 41, 17], Operations: ['55-38=17'] Exploring Operation: 50-41=9, Resulting Numbers: [17, 9] Generated Node #3: [17, 9] from Operation: 50-41=9 Current State: 26:[17, 9], Operations: ['55-38=17', '50-41=9'] Exploring Operation: 17+9=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
4
Current State: 26:[38, 55, 50, 41], Operations: [] Exploring Operation: 55-50=5, Resulting Numbers: [38, 41, 5] Generated Node #0,0: 26:[38, 41, 5] Operation: 55-50=5 Exploring Operation: 55-38=17, Resulting Numbers: [50, 41, 17] Generated Node #0,1: 26:[50, 41, 17] Operation: 55-38=17 Exploring Operation: 55-41=14, Resulting Numbers: [38, 50, 14] Generated Node #0,2: 26:[38, 50, 14] Operation: 55-41=14 Exploring Operation: 50-38=12, Resulting Numbers: [55, 41, 12] Generated Node #0,3: 26:[55, 41, 12] Operation: 50-38=12 Start Sub Search at level 1: Moving to Node #0,0 Current State: 26:[38, 41, 5], Operations: ['55-50=5'] Exploring Operation: 38-5=33, Resulting Numbers: [41, 33] Generated Node #0,0,0: 26:[41, 33] Operation: 38-5=33 Exploring Operation: 41-5=36, Resulting Numbers: [38, 36] Generated Node #0,0,1: 26:[38, 36] Operation: 41-5=36 Exploring Operation: 41-38=3, Resulting Numbers: [5, 3] Generated Node #0,0,2: 26:[5, 3] Operation: 41-38=3 Exploring Operation: 38+5=43, Resulting Numbers: [41, 43] Generated Node #0,0,3: 26:[41, 43] Operation: 38+5=43 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 26:[5, 3], Operations: ['55-50=5', '41-38=3'] Exploring Operation: 5*3=15, Resulting Numbers: [15] 15,26 unequal: No Solution Exploring Operation: 5+3=8, Resulting Numbers: [8] 8,26 unequal: No Solution Exploring Operation: 5-3=2, Resulting Numbers: [2] 2,26 unequal: No Solution No 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: 26:[41, 33], Operations: ['55-50=5', '38-5=33'] Exploring Operation: 41-33=8, Resulting Numbers: [8] 8,26 unequal: No Solution Exploring Operation: 41+33=74, Resulting Numbers: [74] 74,26 unequal: No Solution Exploring Operation: 41*33=1353, Resulting Numbers: [1353] 1353,26 unequal: No Solution No 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: 26:[38, 36], Operations: ['55-50=5', '41-5=36'] Exploring Operation: 38-36=2, Resulting Numbers: [2] 2,26 unequal: No Solution Exploring Operation: 38*36=1368, Resulting Numbers: [1368] 1368,26 unequal: No Solution Exploring Operation: 38+36=74, Resulting Numbers: [74] 74,26 unequal: No Solution No 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: 26:[41, 43], Operations: ['55-50=5', '38+5=43'] Exploring Operation: 41+43=84, Resulting Numbers: [84] 84,26 unequal: No Solution Exploring Operation: 41*43=1763, Resulting Numbers: [1763] 1763,26 unequal: No Solution Exploring Operation: 43-41=2, Resulting Numbers: [2] 2,26 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: 26:[38, 50, 14], Operations: ['55-41=14'] Exploring Operation: 38+14=52, Resulting Numbers: [50, 52] Generated Node #0,2,0: 26:[50, 52] Operation: 38+14=52 Exploring Operation: 50-14=36, Resulting Numbers: [38, 36] Generated Node #0,2,1: 26:[38, 36] Operation: 50-14=36 Exploring Operation: 50-38=12, Resulting Numbers: [14, 12] Generated Node #0,2,2: 26:[14, 12] Operation: 50-38=12 Exploring Operation: 38-14=24, Resulting Numbers: [50, 24] Generated Node #0,2,3: 26:[50, 24] Operation: 38-14=24 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 26:[14, 12], Operations: ['55-41=14', '50-38=12'] Exploring Operation: 14-12=2, Resulting Numbers: [2] 2,26 unequal: No Solution Exploring Operation: 14+12=26, Resulting Numbers: [26] 26,26 equal: Goal Reached Moving to Node #0 Current State: 26:[38, 55, 50, 41], Operations: [] Exploring Operation: 55-41=14, Resulting Numbers: [38, 50, 14] Generated Node #0,2: 26:[38, 50, 14] Operation: 55-41=14 Moving to Node #0,2 Current State: 26:[38, 50, 14], Operations: ['55-41=14'] Exploring Operation: 50-38=12, Resulting Numbers: [14, 12] Generated Node #0,2,2: 26:[14, 12] Operation: 50-38=12 Moving to Node #0,2,2 Current State: 26:[14, 12], Operations: ['55-41=14', '50-38=12'] Exploring Operation: 14+12=26, Resulting Numbers: [26] 26,26 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.973958
hs_4
sum_heuristic
[ 6, 5, 28, 37 ]
49
[ "37-28=9", "6*9=54", "54-5=49" ]
Current State: 49:[6, 5, 28, 37], Operations: [] Exploring Operation: 37-28=9, Resulting Numbers: [6, 5, 9] Generated Node #2: [6, 5, 9] from Operation: 37-28=9 Current State: 49:[6, 5, 9], Operations: ['37-28=9'] Exploring Operation: 6*9=54, Resulting Numbers: [5, 54] Generated Node #3: [5, 54] from Operation: 6*9=54 Current State: 49:[5, 54], Operations: ['37-28=9', '6*9=54'] Exploring Operation: 54-5=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
4
Current State: 49:[6, 5, 28, 37], Operations: [] Exploring Operation: 6+28=34, Resulting Numbers: [5, 37, 34] Generated Node #0,0: 49:[5, 37, 34] Operation: 6+28=34 Exploring Operation: 28+37=65, Resulting Numbers: [6, 5, 65] Generated Node #0,1: 49:[6, 5, 65] Operation: 28+37=65 Exploring Operation: 37-28=9, Resulting Numbers: [6, 5, 9] Generated Node #0,2: 49:[6, 5, 9] Operation: 37-28=9 Moving to Node #0,2 Current State: 49:[6, 5, 9], Operations: ['37-28=9'] Exploring Operation: 9-5=4, Resulting Numbers: [6, 4] Generated Node #0,2,0: 49:[6, 4] Operation: 9-5=4 Exploring Operation: 5*9=45, Resulting Numbers: [6, 45] Generated Node #0,2,1: 49:[6, 45] Operation: 5*9=45 Exploring Operation: 6+5=11, Resulting Numbers: [9, 11] Generated Node #0,2,2: 49:[9, 11] Operation: 6+5=11 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 49:[6, 4], Operations: ['37-28=9', '9-5=4'] Exploring Operation: 6-4=2, Resulting Numbers: [2] 2,49 unequal: No Solution Exploring Operation: 6+4=10, Resulting Numbers: [10] 10,49 unequal: No Solution Exploring Operation: 6*4=24, Resulting Numbers: [24] 24,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 49:[6, 45], Operations: ['37-28=9', '5*9=45'] Exploring Operation: 6+45=51, Resulting Numbers: [51] 51,49 unequal: No Solution Exploring Operation: 6*45=270, Resulting Numbers: [270] 270,49 unequal: No Solution Exploring Operation: 45-6=39, Resulting Numbers: [39] 39,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 49:[9, 11], Operations: ['37-28=9', '6+5=11'] Exploring Operation: 9*11=99, Resulting Numbers: [99] 99,49 unequal: No Solution Exploring Operation: 11-9=2, Resulting Numbers: [2] 2,49 unequal: No Solution Exploring Operation: 9+11=20, Resulting Numbers: [20] 20,49 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: 49:[6, 5, 65], Operations: ['28+37=65'] Exploring Operation: 65-5=60, Resulting Numbers: [6, 60] Generated Node #0,1,0: 49:[6, 60] Operation: 65-5=60 Exploring Operation: 65/5=13, Resulting Numbers: [6, 13] Generated Node #0,1,1: 49:[6, 13] Operation: 65/5=13 Exploring Operation: 65-6=59, Resulting Numbers: [5, 59] Generated Node #0,1,2: 49:[5, 59] Operation: 65-6=59 Moving to Node #0,0 Current State: 49:[5, 37, 34], Operations: ['6+28=34'] Exploring Operation: 37-34=3, Resulting Numbers: [5, 3] Generated Node #0,0,0: 49:[5, 3] Operation: 37-34=3 Exploring Operation: 5+34=39, Resulting Numbers: [37, 39] Generated Node #0,0,1: 49:[37, 39] Operation: 5+34=39 Exploring Operation: 5+37=42, Resulting Numbers: [34, 42] Generated Node #0,0,2: 49:[34, 42] Operation: 5+37=42 Moving to Node #0,0,0 Current State: 49:[5, 3], Operations: ['6+28=34', '37-34=3'] Exploring Operation: 5+3=8, Resulting Numbers: [8] 8,49 unequal: No Solution Exploring Operation: 5-3=2, Resulting Numbers: [2] 2,49 unequal: No Solution Exploring Operation: 5*3=15, Resulting Numbers: [15] 15,49 unequal: No Solution Moving to Node #0,1,1 Current State: 49:[6, 13], Operations: ['28+37=65', '65/5=13'] Exploring Operation: 6*13=78, Resulting Numbers: [78] 78,49 unequal: No Solution Exploring Operation: 6+13=19, Resulting Numbers: [19] 19,49 unequal: No Solution Exploring Operation: 13-6=7, Resulting Numbers: [7] 7,49 unequal: No Solution Moving to Node #0,1,2 Current State: 49:[5, 59], Operations: ['28+37=65', '65-6=59'] Exploring Operation: 5*59=295, Resulting Numbers: [295] 295,49 unequal: No Solution Exploring Operation: 5+59=64, Resulting Numbers: [64] 64,49 unequal: No Solution Exploring Operation: 59-5=54, Resulting Numbers: [54] 54,49 unequal: No Solution Moving to Node #0,1,0 Current State: 49:[6, 60], Operations: ['28+37=65', '65-5=60'] Exploring Operation: 60/6=10, Resulting Numbers: [10] 10,49 unequal: No Solution Exploring Operation: 60-6=54, Resulting Numbers: [54] 54,49 unequal: No Solution Exploring Operation: 6+60=66, Resulting Numbers: [66] 66,49 unequal: No Solution Moving to Node #0,0,2 Current State: 49:[34, 42], Operations: ['6+28=34', '5+37=42'] Exploring Operation: 34*42=1428, Resulting Numbers: [1428] 1428,49 unequal: No Solution Exploring Operation: 34+42=76, Resulting Numbers: [76] 76,49 unequal: No Solution Exploring Operation: 42-34=8, Resulting Numbers: [8] 8,49 unequal: No Solution Moving to Node #0,0,1 Current State: 49:[37, 39], Operations: ['6+28=34', '5+34=39'] Exploring Operation: 37+39=76, Resulting Numbers: [76] 76,49 unequal: No Solution Exploring Operation: 37*39=1443, Resulting Numbers: [1443] 1443,49 unequal: No Solution Exploring Operation: 39-37=2, Resulting Numbers: [2] 2,49 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 2, 77, 44, 62 ]
64
[ "62/2=31", "77-44=33", "31+33=64" ]
Current State: 64:[2, 77, 44, 62], Operations: [] Exploring Operation: 62/2=31, Resulting Numbers: [77, 44, 31] Generated Node #2: [77, 44, 31] from Operation: 62/2=31 Current State: 64:[77, 44, 31], Operations: ['62/2=31'] Exploring Operation: 77-44=33, Resulting Numbers: [31, 33] Generated Node #3: [31, 33] from Operation: 77-44=33 Current State: 64:[31, 33], Operations: ['62/2=31', '77-44=33'] Exploring Operation: 31+33=64, Resulting Numbers: [64] 64,64 equal: Goal Reached
4
Current State: 64:[2, 77, 44, 62], Operations: [] Exploring Operation: 62-44=18, Resulting Numbers: [2, 77, 18] Generated Node #0,0: 64:[2, 77, 18] Operation: 62-44=18 Exploring Operation: 77-62=15, Resulting Numbers: [2, 44, 15] Generated Node #0,1: 64:[2, 44, 15] Operation: 77-62=15 Exploring Operation: 44/2=22, Resulting Numbers: [77, 62, 22] Generated Node #0,2: 64:[77, 62, 22] Operation: 44/2=22 Exploring Operation: 77-44=33, Resulting Numbers: [2, 62, 33] Generated Node #0,3: 64:[2, 62, 33] Operation: 77-44=33 Start Sub Search at level 1: Moving to Node #0,3 Current State: 64:[2, 62, 33], Operations: ['77-44=33'] Exploring Operation: 33-2=31, Resulting Numbers: [62, 31] Generated Node #0,3,0: 64:[62, 31] Operation: 33-2=31 Exploring Operation: 62/2=31, Resulting Numbers: [33, 31] Generated Node #0,3,1: 64:[33, 31] Operation: 62/2=31 Exploring Operation: 62-33=29, Resulting Numbers: [2, 29] Generated Node #0,3,2: 64:[2, 29] Operation: 62-33=29 Exploring Operation: 2+62=64, Resulting Numbers: [33, 64] Generated Node #0,3,3: 64:[33, 64] Operation: 2+62=64 Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 64:[33, 64], Operations: ['77-44=33', '2+62=64'] Exploring Operation: 64-33=31, Resulting Numbers: [31] 31,64 unequal: No Solution Exploring Operation: 33*64=2112, Resulting Numbers: [2112] 2112,64 unequal: No Solution Exploring Operation: 33+64=97, Resulting Numbers: [97] 97,64 unequal: No Solution No 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: 64:[33, 31], Operations: ['77-44=33', '62/2=31'] Exploring Operation: 33*31=1023, Resulting Numbers: [1023] 1023,64 unequal: No Solution Exploring Operation: 33+31=64, Resulting Numbers: [64] 64,64 equal: Goal Reached Moving to Node #0 Current State: 64:[2, 77, 44, 62], Operations: [] Exploring Operation: 77-44=33, Resulting Numbers: [2, 62, 33] Generated Node #0,3: 64:[2, 62, 33] Operation: 77-44=33 Moving to Node #0,3 Current State: 64:[2, 62, 33], Operations: ['77-44=33'] Exploring Operation: 62/2=31, Resulting Numbers: [33, 31] Generated Node #0,3,1: 64:[33, 31] Operation: 62/2=31 Moving to Node #0,3,1 Current State: 64:[33, 31], Operations: ['77-44=33', '62/2=31'] Exploring Operation: 33+31=64, Resulting Numbers: [64] 64,64 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.985243
hs_4
mult_heuristic
[ 84, 77, 21, 95 ]
92
[ "84-77=7", "21/7=3", "95-3=92" ]
Current State: 92:[84, 77, 21, 95], Operations: [] Exploring Operation: 84-77=7, Resulting Numbers: [21, 95, 7] Generated Node #2: [21, 95, 7] from Operation: 84-77=7 Current State: 92:[21, 95, 7], Operations: ['84-77=7'] Exploring Operation: 21/7=3, Resulting Numbers: [95, 3] Generated Node #3: [95, 3] from Operation: 21/7=3 Current State: 92:[95, 3], Operations: ['84-77=7', '21/7=3'] Exploring Operation: 95-3=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
4
Current State: 92:[84, 77, 21, 95], Operations: [] Exploring Operation: 95-77=18, Resulting Numbers: [84, 21, 18] Generated Node #0,0: 92:[84, 21, 18] Operation: 95-77=18 Exploring Operation: 77+21=98, Resulting Numbers: [84, 95, 98] Generated Node #0,1: 92:[84, 95, 98] Operation: 77+21=98 Exploring Operation: 84-77=7, Resulting Numbers: [21, 95, 7] Generated Node #0,2: 92:[21, 95, 7] Operation: 84-77=7 Moving to Node #0,2 Current State: 92:[21, 95, 7], Operations: ['84-77=7'] Exploring Operation: 21/7=3, Resulting Numbers: [95, 3] Generated Node #0,2,0: 92:[95, 3] Operation: 21/7=3 Exploring Operation: 21+7=28, Resulting Numbers: [95, 28] Generated Node #0,2,1: 92:[95, 28] Operation: 21+7=28 Exploring Operation: 95-7=88, Resulting Numbers: [21, 88] Generated Node #0,2,2: 92:[21, 88] Operation: 95-7=88 Moving to Node #0,0 Current State: 92:[84, 21, 18], Operations: ['95-77=18'] Exploring Operation: 21-18=3, Resulting Numbers: [84, 3] Generated Node #0,0,0: 92:[84, 3] Operation: 21-18=3 Exploring Operation: 84+18=102, Resulting Numbers: [21, 102] Generated Node #0,0,1: 92:[21, 102] Operation: 84+18=102 Exploring Operation: 84/21=4, Resulting Numbers: [18, 4] Generated Node #0,0,2: 92:[18, 4] Operation: 84/21=4 Moving to Node #0,1 Current State: 92:[84, 95, 98], Operations: ['77+21=98'] Exploring Operation: 98-84=14, Resulting Numbers: [95, 14] Generated Node #0,1,0: 92:[95, 14] Operation: 98-84=14 Exploring Operation: 95-84=11, Resulting Numbers: [98, 11] Generated Node #0,1,1: 92:[98, 11] Operation: 95-84=11 Exploring Operation: 98-95=3, Resulting Numbers: [84, 3] Generated Node #0,1,2: 92:[84, 3] Operation: 98-95=3 Moving to Node #0,2,0 Current State: 92:[95, 3], Operations: ['84-77=7', '21/7=3'] Exploring Operation: 95*3=285, Resulting Numbers: [285] 285,92 unequal: No Solution Exploring Operation: 95-3=92, Resulting Numbers: [92] 92,92 equal: Goal Reached Moving to Node #0 Current State: 92:[84, 77, 21, 95], Operations: [] Exploring Operation: 84-77=7, Resulting Numbers: [21, 95, 7] Generated Node #0,2: 92:[21, 95, 7] Operation: 84-77=7 Moving to Node #0,2 Current State: 92:[21, 95, 7], Operations: ['84-77=7'] Exploring Operation: 21/7=3, Resulting Numbers: [95, 3] Generated Node #0,2,0: 92:[95, 3] Operation: 21/7=3 Moving to Node #0,2,0 Current State: 92:[95, 3], Operations: ['84-77=7', '21/7=3'] Exploring Operation: 95-3=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
0.984375
hs_3
mult_heuristic
[ 67, 71, 73, 56 ]
22
[ "67-56=11", "73-71=2", "11*2=22" ]
Current State: 22:[67, 71, 73, 56], Operations: [] Exploring Operation: 67-56=11, Resulting Numbers: [71, 73, 11] Generated Node #2: [71, 73, 11] from Operation: 67-56=11 Current State: 22:[71, 73, 11], Operations: ['67-56=11'] Exploring Operation: 73-71=2, Resulting Numbers: [11, 2] Generated Node #3: [11, 2] from Operation: 73-71=2 Current State: 22:[11, 2], Operations: ['67-56=11', '73-71=2'] Exploring Operation: 11*2=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
4
Current State: 22:[67, 71, 73, 56], Operations: [] Exploring Operation: 73-71=2, Resulting Numbers: [67, 56, 2] Generated Node #0,0: 22:[67, 56, 2] Operation: 73-71=2 Exploring Operation: 71-67=4, Resulting Numbers: [73, 56, 4] Generated Node #0,1: 22:[73, 56, 4] Operation: 71-67=4 Moving to Node #0,0 Current State: 22:[67, 56, 2], Operations: ['73-71=2'] Exploring Operation: 56/2=28, Resulting Numbers: [67, 28] Generated Node #0,0,0: 22:[67, 28] Operation: 56/2=28 Exploring Operation: 67-56=11, Resulting Numbers: [2, 11] Generated Node #0,0,1: 22:[2, 11] Operation: 67-56=11 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 22:[2, 11], Operations: ['73-71=2', '67-56=11'] Exploring Operation: 2*11=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Moving to Node #0 Current State: 22:[67, 71, 73, 56], Operations: [] Exploring Operation: 73-71=2, Resulting Numbers: [67, 56, 2] Generated Node #0,0: 22:[67, 56, 2] Operation: 73-71=2 Moving to Node #0,0 Current State: 22:[67, 56, 2], Operations: ['73-71=2'] Exploring Operation: 67-56=11, Resulting Numbers: [2, 11] Generated Node #0,0,1: 22:[2, 11] Operation: 67-56=11 Moving to Node #0,0,1 Current State: 22:[2, 11], Operations: ['73-71=2', '67-56=11'] Exploring Operation: 2*11=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
mult_heuristic
[ 17, 53, 61, 68 ]
10
[ "17+53=70", "68-61=7", "70/7=10" ]
Current State: 10:[17, 53, 61, 68], Operations: [] Exploring Operation: 17+53=70, Resulting Numbers: [61, 68, 70] Generated Node #2: [61, 68, 70] from Operation: 17+53=70 Current State: 10:[61, 68, 70], Operations: ['17+53=70'] Exploring Operation: 68-61=7, Resulting Numbers: [70, 7] Generated Node #3: [70, 7] from Operation: 68-61=7 Current State: 10:[70, 7], Operations: ['17+53=70', '68-61=7'] Exploring Operation: 70/7=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
4
Current State: 10:[17, 53, 61, 68], Operations: [] Exploring Operation: 68-61=7, Resulting Numbers: [17, 53, 7] Generated Node #0,0: 10:[17, 53, 7] Operation: 68-61=7 Start Sub Search at level 1: Moving to Node #0,0 Current State: 10:[17, 53, 7], Operations: ['68-61=7'] Exploring Operation: 53-17=36, Resulting Numbers: [7, 36] Generated Node #0,0,0: 10:[7, 36] Operation: 53-17=36 Moving to Node #0,0,0 Current State: 10:[7, 36], Operations: ['68-61=7', '53-17=36'] Exploring Operation: 36-7=29, Resulting Numbers: [29] 29,10 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 74, 25, 58, 6 ]
54
[ "74-25=49", "58-49=9", "6*9=54" ]
Current State: 54:[74, 25, 58, 6], Operations: [] Exploring Operation: 74-25=49, Resulting Numbers: [58, 6, 49] Generated Node #2: [58, 6, 49] from Operation: 74-25=49 Current State: 54:[58, 6, 49], Operations: ['74-25=49'] Exploring Operation: 58-49=9, Resulting Numbers: [6, 9] Generated Node #3: [6, 9] from Operation: 58-49=9 Current State: 54:[6, 9], Operations: ['74-25=49', '58-49=9'] Exploring Operation: 6*9=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
4
Current State: 54:[74, 25, 58, 6], Operations: [] Exploring Operation: 74-58=16, Resulting Numbers: [25, 6, 16] Generated Node #0,0: 54:[25, 6, 16] Operation: 74-58=16 Start Sub Search at level 1: Moving to Node #0,0 Current State: 54:[25, 6, 16], Operations: ['74-58=16'] Exploring Operation: 25-16=9, Resulting Numbers: [6, 9] Generated Node #0,0,0: 54:[6, 9] Operation: 25-16=9 Moving to Node #0,0,0 Current State: 54:[6, 9], Operations: ['74-58=16', '25-16=9'] Exploring Operation: 6*9=54, Resulting Numbers: [54] 54,54 equal: Goal Reached Moving to Node #0 Current State: 54:[74, 25, 58, 6], Operations: [] Exploring Operation: 74-58=16, Resulting Numbers: [25, 6, 16] Generated Node #0,0: 54:[25, 6, 16] Operation: 74-58=16 Moving to Node #0,0 Current State: 54:[25, 6, 16], Operations: ['74-58=16'] Exploring Operation: 25-16=9, Resulting Numbers: [6, 9] Generated Node #0,0,0: 54:[6, 9] Operation: 25-16=9 Moving to Node #0,0,0 Current State: 54:[6, 9], Operations: ['74-58=16', '25-16=9'] Exploring Operation: 6*9=54, Resulting Numbers: [54] 54,54 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 28, 7, 34, 20 ]
39
[ "28/7=4", "20/4=5", "34+5=39" ]
Current State: 39:[28, 7, 34, 20], Operations: [] Exploring Operation: 28/7=4, Resulting Numbers: [34, 20, 4] Generated Node #2: [34, 20, 4] from Operation: 28/7=4 Current State: 39:[34, 20, 4], Operations: ['28/7=4'] Exploring Operation: 20/4=5, Resulting Numbers: [34, 5] Generated Node #3: [34, 5] from Operation: 20/4=5 Current State: 39:[34, 5], Operations: ['28/7=4', '20/4=5'] Exploring Operation: 34+5=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
4
Current State: 39:[28, 7, 34, 20], Operations: [] Exploring Operation: 34-28=6, Resulting Numbers: [7, 20, 6] Generated Node #0,0: 39:[7, 20, 6] Operation: 34-28=6 Exploring Operation: 28+7=35, Resulting Numbers: [34, 20, 35] Generated Node #0,1: 39:[34, 20, 35] Operation: 28+7=35 Exploring Operation: 28-20=8, Resulting Numbers: [7, 34, 8] Generated Node #0,2: 39:[7, 34, 8] Operation: 28-20=8 Exploring Operation: 28/7=4, Resulting Numbers: [34, 20, 4] Generated Node #0,3: 39:[34, 20, 4] Operation: 28/7=4 Start Sub Search at level 1: Moving to Node #0,3 Current State: 39:[34, 20, 4], Operations: ['28/7=4'] Exploring Operation: 34+4=38, Resulting Numbers: [20, 38] Generated Node #0,3,0: 39:[20, 38] Operation: 34+4=38 Exploring Operation: 20-4=16, Resulting Numbers: [34, 16] Generated Node #0,3,1: 39:[34, 16] Operation: 20-4=16 Exploring Operation: 20/4=5, Resulting Numbers: [34, 5] Generated Node #0,3,2: 39:[34, 5] Operation: 20/4=5 Exploring Operation: 34-20=14, Resulting Numbers: [4, 14] Generated Node #0,3,3: 39:[4, 14] Operation: 34-20=14 Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 39:[4, 14], Operations: ['28/7=4', '34-20=14'] Exploring Operation: 4+14=18, Resulting Numbers: [18] 18,39 unequal: No Solution Exploring Operation: 14-4=10, Resulting Numbers: [10] 10,39 unequal: No Solution Exploring Operation: 4*14=56, Resulting Numbers: [56] 56,39 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 39:[34, 5], Operations: ['28/7=4', '20/4=5'] Exploring Operation: 34-5=29, Resulting Numbers: [29] 29,39 unequal: No Solution Exploring Operation: 34*5=170, Resulting Numbers: [170] 170,39 unequal: No Solution Exploring Operation: 34+5=39, Resulting Numbers: [39] 39,39 equal: Goal Reached Moving to Node #0 Current State: 39:[28, 7, 34, 20], Operations: [] Exploring Operation: 28/7=4, Resulting Numbers: [34, 20, 4] Generated Node #0,3: 39:[34, 20, 4] Operation: 28/7=4 Moving to Node #0,3 Current State: 39:[34, 20, 4], Operations: ['28/7=4'] Exploring Operation: 20/4=5, Resulting Numbers: [34, 5] Generated Node #0,3,2: 39:[34, 5] Operation: 20/4=5 Moving to Node #0,3,2 Current State: 39:[34, 5], Operations: ['28/7=4', '20/4=5'] Exploring Operation: 34+5=39, Resulting Numbers: [39] 39,39 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.984375
hs_4
mult_heuristic
[ 99, 11, 29, 18 ]
38
[ "99/11=9", "29+18=47", "47-9=38" ]
Current State: 38:[99, 11, 29, 18], Operations: [] Exploring Operation: 99/11=9, Resulting Numbers: [29, 18, 9] Generated Node #2: [29, 18, 9] from Operation: 99/11=9 Current State: 38:[29, 18, 9], Operations: ['99/11=9'] Exploring Operation: 29+18=47, Resulting Numbers: [9, 47] Generated Node #3: [9, 47] from Operation: 29+18=47 Current State: 38:[9, 47], Operations: ['99/11=9', '29+18=47'] Exploring Operation: 47-9=38, Resulting Numbers: [38] 38,38 equal: Goal Reached
4
Current State: 38:[99, 11, 29, 18], Operations: [] Exploring Operation: 99-18=81, Resulting Numbers: [11, 29, 81] Generated Node #0,0: 38:[11, 29, 81] Operation: 99-18=81 Exploring Operation: 99-11=88, Resulting Numbers: [29, 18, 88] Generated Node #0,1: 38:[29, 18, 88] Operation: 99-11=88 Exploring Operation: 99/11=9, Resulting Numbers: [29, 18, 9] Generated Node #0,2: 38:[29, 18, 9] Operation: 99/11=9 Exploring Operation: 99-29=70, Resulting Numbers: [11, 18, 70] Generated Node #0,3: 38:[11, 18, 70] Operation: 99-29=70 Exploring Operation: 29-11=18, Resulting Numbers: [99, 18, 18] Generated Node #0,4: 38:[99, 18, 18] Operation: 29-11=18 Start Sub Search at level 1: Moving to Node #0,2 Current State: 38:[29, 18, 9], Operations: ['99/11=9'] Exploring Operation: 29-9=20, Resulting Numbers: [18, 20] Generated Node #0,2,0: 38:[18, 20] Operation: 29-9=20 Exploring Operation: 29+9=38, Resulting Numbers: [18, 38] Generated Node #0,2,1: 38:[18, 38] Operation: 29+9=38 Exploring Operation: 29+18=47, Resulting Numbers: [9, 47] Generated Node #0,2,2: 38:[9, 47] Operation: 29+18=47 Exploring Operation: 29-18=11, Resulting Numbers: [9, 11] Generated Node #0,2,3: 38:[9, 11] Operation: 29-18=11 Exploring Operation: 18/9=2, Resulting Numbers: [29, 2] Generated Node #0,2,4: 38:[29, 2] Operation: 18/9=2 Moving to Node #0,2,1 Current State: 38:[18, 38], Operations: ['99/11=9', '29+9=38'] Exploring Operation: 18*38=684, Resulting Numbers: [684] 684,38 unequal: No Solution Exploring Operation: 38-18=20, Resulting Numbers: [20] 20,38 unequal: No Solution Exploring Operation: 18+38=56, Resulting Numbers: [56] 56,38 unequal: No Solution Moving to Node #0,2,0 Current State: 38:[18, 20], Operations: ['99/11=9', '29-9=20'] Exploring Operation: 20-18=2, Resulting Numbers: [2] 2,38 unequal: No Solution Exploring Operation: 18*20=360, Resulting Numbers: [360] 360,38 unequal: No Solution Exploring Operation: 18+20=38, Resulting Numbers: [38] 38,38 equal: Goal Reached Moving to Node #0 Current State: 38:[99, 11, 29, 18], Operations: [] Exploring Operation: 99/11=9, Resulting Numbers: [29, 18, 9] Generated Node #0,2: 38:[29, 18, 9] Operation: 99/11=9 Moving to Node #0,2 Current State: 38:[29, 18, 9], Operations: ['99/11=9'] Exploring Operation: 29-9=20, Resulting Numbers: [18, 20] Generated Node #0,2,0: 38:[18, 20] Operation: 29-9=20 Moving to Node #0,2,0 Current State: 38:[18, 20], Operations: ['99/11=9', '29-9=20'] Exploring Operation: 18+20=38, Resulting Numbers: [38] 38,38 equal: Goal Reached Exit Sub Search at level 1
0.982639
hs_5
mult_heuristic
[ 77, 15, 14, 47 ]
49
[ "14*47=658", "77+658=735", "735/15=49" ]
Current State: 49:[77, 15, 14, 47], Operations: [] Exploring Operation: 14*47=658, Resulting Numbers: [77, 15, 658] Generated Node #2: [77, 15, 658] from Operation: 14*47=658 Current State: 49:[77, 15, 658], Operations: ['14*47=658'] Exploring Operation: 77+658=735, Resulting Numbers: [15, 735] Generated Node #3: [15, 735] from Operation: 77+658=735 Current State: 49:[15, 735], Operations: ['14*47=658', '77+658=735'] Exploring Operation: 735/15=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
4
Current State: 49:[77, 15, 14, 47], Operations: [] Exploring Operation: 15-14=1, Resulting Numbers: [77, 47, 1] Generated Node #0,0: 49:[77, 47, 1] Operation: 15-14=1 Exploring Operation: 77-14=63, Resulting Numbers: [15, 47, 63] Generated Node #0,1: 49:[15, 47, 63] Operation: 77-14=63 Exploring Operation: 15+47=62, Resulting Numbers: [77, 14, 62] Generated Node #0,2: 49:[77, 14, 62] Operation: 15+47=62 Exploring Operation: 77-47=30, Resulting Numbers: [15, 14, 30] Generated Node #0,3: 49:[15, 14, 30] Operation: 77-47=30 Exploring Operation: 77-15=62, Resulting Numbers: [14, 47, 62] Generated Node #0,4: 49:[14, 47, 62] Operation: 77-15=62 Start Sub Search at level 1: Moving to Node #0,4 Current State: 49:[14, 47, 62], Operations: ['77-15=62'] Exploring Operation: 47-14=33, Resulting Numbers: [62, 33] Generated Node #0,4,0: 49:[62, 33] Operation: 47-14=33 Exploring Operation: 62-47=15, Resulting Numbers: [14, 15] Generated Node #0,4,1: 49:[14, 15] Operation: 62-47=15 Exploring Operation: 14+62=76, Resulting Numbers: [47, 76] Generated Node #0,4,2: 49:[47, 76] Operation: 14+62=76 Exploring Operation: 14+47=61, Resulting Numbers: [62, 61] Generated Node #0,4,3: 49:[62, 61] Operation: 14+47=61 Exploring Operation: 62-14=48, Resulting Numbers: [47, 48] Generated Node #0,4,4: 49:[47, 48] Operation: 62-14=48 Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 49:[47, 48], Operations: ['77-15=62', '62-14=48'] Exploring Operation: 48-47=1, Resulting Numbers: [1] 1,49 unequal: No Solution Exploring Operation: 47*48=2256, Resulting Numbers: [2256] 2256,49 unequal: No Solution Exploring Operation: 47+48=95, Resulting Numbers: [95] 95,49 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 49:[14, 15], Operations: ['77-15=62', '62-47=15'] Exploring Operation: 14+15=29, Resulting Numbers: [29] 29,49 unequal: No Solution Exploring Operation: 15-14=1, Resulting Numbers: [1] 1,49 unequal: No Solution Exploring Operation: 14*15=210, Resulting Numbers: [210] 210,49 unequal: No Solution No 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: 49:[62, 61], Operations: ['77-15=62', '14+47=61'] Exploring Operation: 62+61=123, Resulting Numbers: [123] 123,49 unequal: No Solution Exploring Operation: 62-61=1, Resulting Numbers: [1] 1,49 unequal: No Solution Exploring Operation: 62*61=3782, Resulting Numbers: [3782] 3782,49 unequal: No Solution No 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: 49:[62, 33], Operations: ['77-15=62', '47-14=33'] Exploring Operation: 62-33=29, Resulting Numbers: [29] 29,49 unequal: No Solution Exploring Operation: 62+33=95, Resulting Numbers: [95] 95,49 unequal: No Solution Exploring Operation: 62*33=2046, Resulting Numbers: [2046] 2046,49 unequal: No Solution No 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: 49:[47, 76], Operations: ['77-15=62', '14+62=76'] Exploring Operation: 76-47=29, Resulting Numbers: [29] 29,49 unequal: No Solution Exploring Operation: 47+76=123, Resulting Numbers: [123] 123,49 unequal: No Solution Exploring Operation: 47*76=3572, Resulting Numbers: [3572] 3572,49 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: 49:[15, 47, 63], Operations: ['77-14=63'] Exploring Operation: 47-15=32, Resulting Numbers: [63, 32] Generated Node #0,1,0: 49:[63, 32] Operation: 47-15=32 Exploring Operation: 63-47=16, Resulting Numbers: [15, 16] Generated Node #0,1,1: 49:[15, 16] Operation: 63-47=16 Exploring Operation: 15+63=78, Resulting Numbers: [47, 78] Generated Node #0,1,2: 49:[47, 78] Operation: 15+63=78 Exploring Operation: 63-15=48, Resulting Numbers: [47, 48] Generated Node #0,1,3: 49:[47, 48] Operation: 63-15=48 Exploring Operation: 15+47=62, Resulting Numbers: [63, 62] Generated Node #0,1,4: 49:[63, 62] Operation: 15+47=62 Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 49:[47, 48], Operations: ['77-14=63', '63-15=48'] Exploring Operation: 47+48=95, Resulting Numbers: [95] 95,49 unequal: No Solution Exploring Operation: 48-47=1, Resulting Numbers: [1] 1,49 unequal: No Solution Exploring Operation: 47*48=2256, Resulting Numbers: [2256] 2256,49 unequal: No Solution No 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: 49:[15, 16], Operations: ['77-14=63', '63-47=16'] Exploring Operation: 15*16=240, Resulting Numbers: [240] 240,49 unequal: No Solution Exploring Operation: 15+16=31, Resulting Numbers: [31] 31,49 unequal: No Solution Exploring Operation: 16-15=1, Resulting Numbers: [1] 1,49 unequal: No Solution No 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: 49:[63, 62], Operations: ['77-14=63', '15+47=62'] Exploring Operation: 63*62=3906, Resulting Numbers: [3906] 3906,49 unequal: No Solution Exploring Operation: 63+62=125, Resulting Numbers: [125] 125,49 unequal: No Solution Exploring Operation: 63-62=1, Resulting Numbers: [1] 1,49 unequal: No Solution No 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: 49:[63, 32], Operations: ['77-14=63', '47-15=32'] Exploring Operation: 63+32=95, Resulting Numbers: [95] 95,49 unequal: No Solution Exploring Operation: 63-32=31, Resulting Numbers: [31] 31,49 unequal: No Solution Exploring Operation: 63*32=2016, Resulting Numbers: [2016] 2016,49 unequal: No Solution No 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: 49:[47, 78], Operations: ['77-14=63', '15+63=78'] Exploring Operation: 47*78=3666, Resulting Numbers: [3666] 3666,49 unequal: No Solution Exploring Operation: 47+78=125, Resulting Numbers: [125] 125,49 unequal: No Solution Exploring Operation: 78-47=31, Resulting Numbers: [31] 31,49 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: 49:[15, 14, 30], Operations: ['77-47=30'] Exploring Operation: 30-15=15, Resulting Numbers: [14, 15] Generated Node #0,3,0: 49:[14, 15] Operation: 30-15=15 Exploring Operation: 30/15=2, Resulting Numbers: [14, 2] Generated Node #0,3,1: 49:[14, 2] Operation: 30/15=2 Exploring Operation: 14+30=44, Resulting Numbers: [15, 44] Generated Node #0,3,2: 49:[15, 44] Operation: 14+30=44 Exploring Operation: 15+30=45, Resulting Numbers: [14, 45] Generated Node #0,3,3: 49:[14, 45] Operation: 15+30=45 Exploring Operation: 30-14=16, Resulting Numbers: [15, 16] Generated Node #0,3,4: 49:[15, 16] Operation: 30-14=16 Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 49:[14, 45], Operations: ['77-47=30', '15+30=45'] Exploring Operation: 14*45=630, Resulting Numbers: [630] 630,49 unequal: No Solution Exploring Operation: 14+45=59, Resulting Numbers: [59] 59,49 unequal: No Solution Exploring Operation: 45-14=31, Resulting Numbers: [31] 31,49 unequal: No Solution No 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: 49:[14, 2], Operations: ['77-47=30', '30/15=2'] Exploring Operation: 14*2=28, Resulting Numbers: [28] 28,49 unequal: No Solution Exploring Operation: 14-2=12, Resulting Numbers: [12] 12,49 unequal: No Solution Exploring Operation: 14/2=7, Resulting Numbers: [7] 7,49 unequal: No Solution Exploring Operation: 14+2=16, Resulting Numbers: [16] 16,49 unequal: No Solution No 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: 49:[15, 44], Operations: ['77-47=30', '14+30=44'] Exploring Operation: 15*44=660, Resulting Numbers: [660] 660,49 unequal: No Solution Exploring Operation: 44-15=29, Resulting Numbers: [29] 29,49 unequal: No Solution Exploring Operation: 15+44=59, Resulting Numbers: [59] 59,49 unequal: No Solution No 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: 49:[14, 15], Operations: ['77-47=30', '30-15=15'] Exploring Operation: 14*15=210, Resulting Numbers: [210] 210,49 unequal: No Solution Exploring Operation: 14+15=29, Resulting Numbers: [29] 29,49 unequal: No Solution Exploring Operation: 15-14=1, Resulting Numbers: [1] 1,49 unequal: No Solution No 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: 49:[15, 16], Operations: ['77-47=30', '30-14=16'] Exploring Operation: 16-15=1, Resulting Numbers: [1] 1,49 unequal: No Solution Exploring Operation: 15*16=240, Resulting Numbers: [240] 240,49 unequal: No Solution Exploring Operation: 15+16=31, Resulting Numbers: [31] 31,49 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: 49:[77, 47, 1], Operations: ['15-14=1'] Exploring Operation: 77-47=30, Resulting Numbers: [1, 30] Generated Node #0,0,0: 49:[1, 30] Operation: 77-47=30 Exploring Operation: 77/1=77, Resulting Numbers: [47, 77] Generated Node #0,0,1: 49:[47, 77] Operation: 77/1=77 Exploring Operation: 77-1=76, Resulting Numbers: [47, 76] Generated Node #0,0,2: 49:[47, 76] Operation: 77-1=76 Exploring Operation: 47+1=48, Resulting Numbers: [77, 48] Generated Node #0,0,3: 49:[77, 48] Operation: 47+1=48 Exploring Operation: 77*1=77, Resulting Numbers: [47, 77] Generated Node #0,0,4: 49:[47, 77] Operation: 77*1=77 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 49:[1, 30], Operations: ['15-14=1', '77-47=30'] Exploring Operation: 30/1=30, Resulting Numbers: [30] 30,49 unequal: No Solution Exploring Operation: 1*30=30, Resulting Numbers: [30] 30,49 unequal: No Solution Exploring Operation: 30-1=29, Resulting Numbers: [29] 29,49 unequal: No Solution Exploring Operation: 1+30=31, Resulting Numbers: [31] 31,49 unequal: No Solution No 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: 49:[47, 76], Operations: ['15-14=1', '77-1=76'] Exploring Operation: 76-47=29, Resulting Numbers: [29] 29,49 unequal: No Solution Exploring Operation: 47*76=3572, Resulting Numbers: [3572] 3572,49 unequal: No Solution Exploring Operation: 47+76=123, Resulting Numbers: [123] 123,49 unequal: No Solution No 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: 49:[77, 48], Operations: ['15-14=1', '47+1=48'] Exploring Operation: 77+48=125, Resulting Numbers: [125] 125,49 unequal: No Solution Exploring Operation: 77*48=3696, Resulting Numbers: [3696] 3696,49 unequal: No Solution Exploring Operation: 77-48=29, Resulting Numbers: [29] 29,49 unequal: No Solution No 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: 49:[47, 77], Operations: ['15-14=1', '77/1=77'] Exploring Operation: 77-47=30, Resulting Numbers: [30] 30,49 unequal: No Solution Exploring Operation: 47*77=3619, Resulting Numbers: [3619] 3619,49 unequal: No Solution Exploring Operation: 47+77=124, Resulting Numbers: [124] 124,49 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 49:[47, 77], Operations: ['15-14=1', '77*1=77'] Exploring Operation: 47*77=3619, Resulting Numbers: [3619] 3619,49 unequal: No Solution Exploring Operation: 47+77=124, Resulting Numbers: [124] 124,49 unequal: No Solution Exploring Operation: 77-47=30, Resulting Numbers: [30] 30,49 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: 49:[77, 14, 62], Operations: ['15+47=62'] Exploring Operation: 77+14=91, Resulting Numbers: [62, 91] Generated Node #0,2,0: 49:[62, 91] Operation: 77+14=91 Exploring Operation: 77-14=63, Resulting Numbers: [62, 63] Generated Node #0,2,1: 49:[62, 63] Operation: 77-14=63 Exploring Operation: 62-14=48, Resulting Numbers: [77, 48] Generated Node #0,2,2: 49:[77, 48] Operation: 62-14=48 Exploring Operation: 77-62=15, Resulting Numbers: [14, 15] Generated Node #0,2,3: 49:[14, 15] Operation: 77-62=15 Exploring Operation: 14+62=76, Resulting Numbers: [77, 76] Generated Node #0,2,4: 49:[77, 76] Operation: 14+62=76 Moving to Node #0,2,3 Current State: 49:[14, 15], Operations: ['15+47=62', '77-62=15'] Exploring Operation: 15-14=1, Resulting Numbers: [1] 1,49 unequal: No Solution Exploring Operation: 14+15=29, Resulting Numbers: [29] 29,49 unequal: No Solution Exploring Operation: 14*15=210, Resulting Numbers: [210] 210,49 unequal: No Solution Moving to Node #0,2,1 Current State: 49:[62, 63], Operations: ['15+47=62', '77-14=63'] Exploring Operation: 63-62=1, Resulting Numbers: [1] 1,49 unequal: No Solution Exploring Operation: 62*63=3906, Resulting Numbers: [3906] 3906,49 unequal: No Solution Exploring Operation: 62+63=125, Resulting Numbers: [125] 125,49 unequal: No Solution Moving to Node #0,2,2 Current State: 49:[77, 48], Operations: ['15+47=62', '62-14=48'] Exploring Operation: 77+48=125, Resulting Numbers: [125] 125,49 unequal: No Solution Exploring Operation: 77-48=29, Resulting Numbers: [29] 29,49 unequal: No Solution Exploring Operation: 77*48=3696, Resulting Numbers: [3696] 3696,49 unequal: No Solution Moving to Node #0,2,0 Current State: 49:[62, 91], Operations: ['15+47=62', '77+14=91'] Exploring Operation: 62*91=5642, Resulting Numbers: [5642] 5642,49 unequal: No Solution Exploring Operation: 62+91=153, Resulting Numbers: [153] 153,49 unequal: No Solution Exploring Operation: 91-62=29, Resulting Numbers: [29] 29,49 unequal: No Solution Moving to Node #0,2,4 Current State: 49:[77, 76], Operations: ['15+47=62', '14+62=76'] Exploring Operation: 77*76=5852, Resulting Numbers: [5852] 5852,49 unequal: No Solution Exploring Operation: 77+76=153, Resulting Numbers: [153] 153,49 unequal: No Solution Exploring Operation: 77-76=1, Resulting Numbers: [1] 1,49 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
[ 83, 30, 77, 49 ]
81
[ "83-30=53", "77-49=28", "53+28=81" ]
Current State: 81:[83, 30, 77, 49], Operations: [] Exploring Operation: 83-30=53, Resulting Numbers: [77, 49, 53] Generated Node #2: [77, 49, 53] from Operation: 83-30=53 Current State: 81:[77, 49, 53], Operations: ['83-30=53'] Exploring Operation: 77-49=28, Resulting Numbers: [53, 28] Generated Node #3: [53, 28] from Operation: 77-49=28 Current State: 81:[53, 28], Operations: ['83-30=53', '77-49=28'] Exploring Operation: 53+28=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[83, 30, 77, 49], Operations: [] Exploring Operation: 83-49=34, Resulting Numbers: [30, 77, 34] Generated Node #0,0: 81:[30, 77, 34] Operation: 83-49=34 Exploring Operation: 77-49=28, Resulting Numbers: [83, 30, 28] Generated Node #0,1: 81:[83, 30, 28] Operation: 77-49=28 Exploring Operation: 30+49=79, Resulting Numbers: [83, 77, 79] Generated Node #0,2: 81:[83, 77, 79] Operation: 30+49=79 Moving to Node #0,1 Current State: 81:[83, 30, 28], Operations: ['77-49=28'] Exploring Operation: 30+28=58, Resulting Numbers: [83, 58] Generated Node #0,1,0: 81:[83, 58] Operation: 30+28=58 Exploring Operation: 83-30=53, Resulting Numbers: [28, 53] Generated Node #0,1,1: 81:[28, 53] Operation: 83-30=53 Exploring Operation: 30-28=2, Resulting Numbers: [83, 2] Generated Node #0,1,2: 81:[83, 2] Operation: 30-28=2 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 81:[83, 2], Operations: ['77-49=28', '30-28=2'] Exploring Operation: 83-2=81, Resulting Numbers: [81] 81,81 equal: Goal Reached Moving to Node #0 Current State: 81:[83, 30, 77, 49], Operations: [] Exploring Operation: 77-49=28, Resulting Numbers: [83, 30, 28] Generated Node #0,1: 81:[83, 30, 28] Operation: 77-49=28 Moving to Node #0,1 Current State: 81:[83, 30, 28], Operations: ['77-49=28'] Exploring Operation: 30-28=2, Resulting Numbers: [83, 2] Generated Node #0,1,2: 81:[83, 2] Operation: 30-28=2 Moving to Node #0,1,2 Current State: 81:[83, 2], Operations: ['77-49=28', '30-28=2'] Exploring Operation: 83-2=81, Resulting Numbers: [81] 81,81 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_3
sum_heuristic
[ 72, 69, 48, 34 ]
80
[ "69*48=3312", "3312/72=46", "34+46=80" ]
Current State: 80:[72, 69, 48, 34], Operations: [] Exploring Operation: 69*48=3312, Resulting Numbers: [72, 34, 3312] Generated Node #2: [72, 34, 3312] from Operation: 69*48=3312 Current State: 80:[72, 34, 3312], Operations: ['69*48=3312'] Exploring Operation: 3312/72=46, Resulting Numbers: [34, 46] Generated Node #3: [34, 46] from Operation: 3312/72=46 Current State: 80:[34, 46], Operations: ['69*48=3312', '3312/72=46'] Exploring Operation: 34+46=80, Resulting Numbers: [80] 80,80 equal: Goal Reached
4
Current State: 80:[72, 69, 48, 34], Operations: [] Exploring Operation: 72-34=38, Resulting Numbers: [69, 48, 38] Generated Node #0,0: 80:[69, 48, 38] Operation: 72-34=38 Exploring Operation: 72-69=3, Resulting Numbers: [48, 34, 3] Generated Node #0,1: 80:[48, 34, 3] Operation: 72-69=3 Exploring Operation: 69-48=21, Resulting Numbers: [72, 34, 21] Generated Node #0,2: 80:[72, 34, 21] Operation: 69-48=21 Exploring Operation: 72-48=24, Resulting Numbers: [69, 34, 24] Generated Node #0,3: 80:[69, 34, 24] Operation: 72-48=24 Start Sub Search at level 1: Moving to Node #0,1 Current State: 80:[48, 34, 3], Operations: ['72-69=3'] Exploring Operation: 48/3=16, Resulting Numbers: [34, 16] Generated Node #0,1,0: 80:[34, 16] Operation: 48/3=16 Exploring Operation: 48-34=14, Resulting Numbers: [3, 14] Generated Node #0,1,1: 80:[3, 14] Operation: 48-34=14 Exploring Operation: 48-3=45, Resulting Numbers: [34, 45] Generated Node #0,1,2: 80:[34, 45] Operation: 48-3=45 Exploring Operation: 48+34=82, Resulting Numbers: [3, 82] Generated Node #0,1,3: 80:[3, 82] Operation: 48+34=82 Moving to Node #0,1,1 Current State: 80:[3, 14], Operations: ['72-69=3', '48-34=14'] Exploring Operation: 3*14=42, Resulting Numbers: [42] 42,80 unequal: No Solution Exploring Operation: 3+14=17, Resulting Numbers: [17] 17,80 unequal: No Solution Exploring Operation: 14-3=11, Resulting Numbers: [11] 11,80 unequal: No Solution Moving to Node #0,1,3 Current State: 80:[3, 82], Operations: ['72-69=3', '48+34=82'] Exploring Operation: 82-3=79, Resulting Numbers: [79] 79,80 unequal: No Solution Exploring Operation: 3+82=85, Resulting Numbers: [85] 85,80 unequal: No Solution Exploring Operation: 3*82=246, Resulting Numbers: [246] 246,80 unequal: No Solution Moving to Node #0,1,0 Current State: 80:[34, 16], Operations: ['72-69=3', '48/3=16'] Exploring Operation: 34+16=50, Resulting Numbers: [50] 50,80 unequal: No Solution Exploring Operation: 34*16=544, Resulting Numbers: [544] 544,80 unequal: No Solution Exploring Operation: 34-16=18, Resulting Numbers: [18] 18,80 unequal: No Solution Moving to Node #0,1,2 Current State: 80:[34, 45], Operations: ['72-69=3', '48-3=45'] Exploring Operation: 34*45=1530, Resulting Numbers: [1530] 1530,80 unequal: No Solution Exploring Operation: 34+45=79, Resulting Numbers: [79] 79,80 unequal: No Solution Exploring Operation: 45-34=11, Resulting Numbers: [11] 11,80 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 Current State: 80:[72, 34, 21], Operations: ['69-48=21'] Exploring Operation: 72-34=38, Resulting Numbers: [21, 38] Generated Node #0,2,0: 80:[21, 38] Operation: 72-34=38 Exploring Operation: 72+21=93, Resulting Numbers: [34, 93] Generated Node #0,2,1: 80:[34, 93] Operation: 72+21=93 Exploring Operation: 72-21=51, Resulting Numbers: [34, 51] Generated Node #0,2,2: 80:[34, 51] Operation: 72-21=51 Exploring Operation: 34-21=13, Resulting Numbers: [72, 13] Generated Node #0,2,3: 80:[72, 13] Operation: 34-21=13 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 80:[21, 38], Operations: ['69-48=21', '72-34=38'] Exploring Operation: 38-21=17, Resulting Numbers: [17] 17,80 unequal: No Solution Exploring Operation: 21*38=798, Resulting Numbers: [798] 798,80 unequal: No Solution Exploring Operation: 21+38=59, Resulting Numbers: [59] 59,80 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 #0,2,3 Current State: 80:[72, 13], Operations: ['69-48=21', '34-21=13'] Exploring Operation: 72+13=85, Resulting Numbers: [85] 85,80 unequal: No Solution Exploring Operation: 72-13=59, Resulting Numbers: [59] 59,80 unequal: No Solution Exploring Operation: 72*13=936, Resulting Numbers: [936] 936,80 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 #0,2,2 Current State: 80:[34, 51], Operations: ['69-48=21', '72-21=51'] Exploring Operation: 34*51=1734, Resulting Numbers: [1734] 1734,80 unequal: No Solution Exploring Operation: 34+51=85, Resulting Numbers: [85] 85,80 unequal: No Solution Exploring Operation: 51-34=17, Resulting Numbers: [17] 17,80 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 #0,2,1 Current State: 80:[34, 93], Operations: ['69-48=21', '72+21=93'] Exploring Operation: 93-34=59, Resulting Numbers: [59] 59,80 unequal: No Solution Exploring Operation: 34+93=127, Resulting Numbers: [127] 127,80 unequal: No Solution Exploring Operation: 34*93=3162, Resulting Numbers: [3162] 3162,80 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:[69, 48, 38], Operations: ['72-34=38'] Exploring Operation: 69-38=31, Resulting Numbers: [48, 31] Generated Node #0,0,0: 80:[48, 31] Operation: 69-38=31 Exploring Operation: 48+38=86, Resulting Numbers: [69, 86] Generated Node #0,0,1: 80:[69, 86] Operation: 48+38=86 Exploring Operation: 69-48=21, Resulting Numbers: [38, 21] Generated Node #0,0,2: 80:[38, 21] Operation: 69-48=21 Exploring Operation: 48-38=10, Resulting Numbers: [69, 10] Generated Node #0,0,3: 80:[69, 10] Operation: 48-38=10 Moving to Node #0,0,2 Current State: 80:[38, 21], Operations: ['72-34=38', '69-48=21'] Exploring Operation: 38-21=17, Resulting Numbers: [17] 17,80 unequal: No Solution Exploring Operation: 38+21=59, Resulting Numbers: [59] 59,80 unequal: No Solution Exploring Operation: 38*21=798, Resulting Numbers: [798] 798,80 unequal: No Solution Moving to Node #0,0,3 Current State: 80:[69, 10], Operations: ['72-34=38', '48-38=10'] Exploring Operation: 69-10=59, Resulting Numbers: [59] 59,80 unequal: No Solution Exploring Operation: 69+10=79, Resulting Numbers: [79] 79,80 unequal: No Solution Exploring Operation: 69*10=690, Resulting Numbers: [690] 690,80 unequal: No Solution Moving to Node #0,0,1 Current State: 80:[69, 86], Operations: ['72-34=38', '48+38=86'] Exploring Operation: 86-69=17, Resulting Numbers: [17] 17,80 unequal: No Solution Exploring Operation: 69*86=5934, Resulting Numbers: [5934] 5934,80 unequal: No Solution Exploring Operation: 69+86=155, Resulting Numbers: [155] 155,80 unequal: No Solution Moving to Node #0,0,0 Current State: 80:[48, 31], Operations: ['72-34=38', '69-38=31'] Exploring Operation: 48+31=79, Resulting Numbers: [79] 79,80 unequal: No Solution Exploring Operation: 48-31=17, Resulting Numbers: [17] 17,80 unequal: No Solution Exploring Operation: 48*31=1488, Resulting Numbers: [1488] 1488,80 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 Current State: 80:[69, 34, 24], Operations: ['72-48=24'] Exploring Operation: 69-24=45, Resulting Numbers: [34, 45] Generated Node #0,3,0: 80:[34, 45] Operation: 69-24=45 Exploring Operation: 69-34=35, Resulting Numbers: [24, 35] Generated Node #0,3,1: 80:[24, 35] Operation: 69-34=35 Exploring Operation: 34-24=10, Resulting Numbers: [69, 10] Generated Node #0,3,2: 80:[69, 10] Operation: 34-24=10 Exploring Operation: 69+24=93, Resulting Numbers: [34, 93] Generated Node #0,3,3: 80:[34, 93] Operation: 69+24=93 Moving to Node #0,3,1 Current State: 80:[24, 35], Operations: ['72-48=24', '69-34=35'] Exploring Operation: 24+35=59, Resulting Numbers: [59] 59,80 unequal: No Solution Exploring Operation: 24*35=840, Resulting Numbers: [840] 840,80 unequal: No Solution Exploring Operation: 35-24=11, Resulting Numbers: [11] 11,80 unequal: No Solution Moving to Node #0,3,2 Current State: 80:[69, 10], Operations: ['72-48=24', '34-24=10'] Exploring Operation: 69-10=59, Resulting Numbers: [59] 59,80 unequal: No Solution Exploring Operation: 69*10=690, Resulting Numbers: [690] 690,80 unequal: No Solution Exploring Operation: 69+10=79, Resulting Numbers: [79] 79,80 unequal: No Solution Moving to Node #0,3,0 Current State: 80:[34, 45], Operations: ['72-48=24', '69-24=45'] Exploring Operation: 34+45=79, Resulting Numbers: [79] 79,80 unequal: No Solution Exploring Operation: 34*45=1530, Resulting Numbers: [1530] 1530,80 unequal: No Solution Exploring Operation: 45-34=11, Resulting Numbers: [11] 11,80 unequal: No Solution Moving to Node #0,3,3 Current State: 80:[34, 93], Operations: ['72-48=24', '69+24=93'] Exploring Operation: 34+93=127, Resulting Numbers: [127] 127,80 unequal: No Solution Exploring Operation: 34*93=3162, Resulting Numbers: [3162] 3162,80 unequal: No Solution Exploring Operation: 93-34=59, Resulting Numbers: [59] 59,80 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
[ 33, 60, 22, 35 ]
36
[ "33+60=93", "22+35=57", "93-57=36" ]
Current State: 36:[33, 60, 22, 35], Operations: [] Exploring Operation: 33+60=93, Resulting Numbers: [22, 35, 93] Generated Node #2: [22, 35, 93] from Operation: 33+60=93 Current State: 36:[22, 35, 93], Operations: ['33+60=93'] Exploring Operation: 22+35=57, Resulting Numbers: [93, 57] Generated Node #3: [93, 57] from Operation: 22+35=57 Current State: 36:[93, 57], Operations: ['33+60=93', '22+35=57'] Exploring Operation: 93-57=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
4
Current State: 36:[33, 60, 22, 35], Operations: [] Exploring Operation: 60-35=25, Resulting Numbers: [33, 22, 25] Generated Node #0,0: 36:[33, 22, 25] Operation: 60-35=25 Exploring Operation: 60-33=27, Resulting Numbers: [22, 35, 27] Generated Node #0,1: 36:[22, 35, 27] Operation: 60-33=27 Exploring Operation: 33-22=11, Resulting Numbers: [60, 35, 11] Generated Node #0,2: 36:[60, 35, 11] Operation: 33-22=11 Exploring Operation: 60-22=38, Resulting Numbers: [33, 35, 38] Generated Node #0,3: 36:[33, 35, 38] Operation: 60-22=38 Moving to Node #0,3 Current State: 36:[33, 35, 38], Operations: ['60-22=38'] Exploring Operation: 38-35=3, Resulting Numbers: [33, 3] Generated Node #0,3,0: 36:[33, 3] Operation: 38-35=3 Exploring Operation: 35-33=2, Resulting Numbers: [38, 2] Generated Node #0,3,1: 36:[38, 2] Operation: 35-33=2 Exploring Operation: 38-33=5, Resulting Numbers: [35, 5] Generated Node #0,3,2: 36:[35, 5] Operation: 38-33=5 Exploring Operation: 33+35=68, Resulting Numbers: [38, 68] Generated Node #0,3,3: 36:[38, 68] Operation: 33+35=68 Moving to Node #0,1 Current State: 36:[22, 35, 27], Operations: ['60-33=27'] Exploring Operation: 22+27=49, Resulting Numbers: [35, 49] Generated Node #0,1,0: 36:[35, 49] Operation: 22+27=49 Exploring Operation: 27-22=5, Resulting Numbers: [35, 5] Generated Node #0,1,1: 36:[35, 5] Operation: 27-22=5 Exploring Operation: 35-22=13, Resulting Numbers: [27, 13] Generated Node #0,1,2: 36:[27, 13] Operation: 35-22=13 Exploring Operation: 35-27=8, Resulting Numbers: [22, 8] Generated Node #0,1,3: 36:[22, 8] Operation: 35-27=8 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 36:[35, 5], Operations: ['60-33=27', '27-22=5'] Exploring Operation: 35/5=7, Resulting Numbers: [7] 7,36 unequal: No Solution Exploring Operation: 35+5=40, Resulting Numbers: [40] 40,36 unequal: No Solution Exploring Operation: 35*5=175, Resulting Numbers: [175] 175,36 unequal: No Solution Exploring Operation: 35-5=30, Resulting Numbers: [30] 30,36 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 #0,1,3 Current State: 36:[22, 8], Operations: ['60-33=27', '35-27=8'] Exploring Operation: 22*8=176, Resulting Numbers: [176] 176,36 unequal: No Solution Exploring Operation: 22-8=14, Resulting Numbers: [14] 14,36 unequal: No Solution Exploring Operation: 22+8=30, Resulting Numbers: [30] 30,36 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 #0,1,2 Current State: 36:[27, 13], Operations: ['60-33=27', '35-22=13'] Exploring Operation: 27-13=14, Resulting Numbers: [14] 14,36 unequal: No Solution Exploring Operation: 27*13=351, Resulting Numbers: [351] 351,36 unequal: No Solution Exploring Operation: 27+13=40, Resulting Numbers: [40] 40,36 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 #0,1,0 Current State: 36:[35, 49], Operations: ['60-33=27', '22+27=49'] Exploring Operation: 35*49=1715, Resulting Numbers: [1715] 1715,36 unequal: No Solution Exploring Operation: 49-35=14, Resulting Numbers: [14] 14,36 unequal: No Solution Exploring Operation: 35+49=84, Resulting Numbers: [84] 84,36 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: 36:[33, 22, 25], Operations: ['60-35=25'] Exploring Operation: 22+25=47, Resulting Numbers: [33, 47] Generated Node #0,0,0: 36:[33, 47] Operation: 22+25=47 Exploring Operation: 33-22=11, Resulting Numbers: [25, 11] Generated Node #0,0,1: 36:[25, 11] Operation: 33-22=11 Exploring Operation: 33-25=8, Resulting Numbers: [22, 8] Generated Node #0,0,2: 36:[22, 8] Operation: 33-25=8 Exploring Operation: 25-22=3, Resulting Numbers: [33, 3] Generated Node #0,0,3: 36:[33, 3] Operation: 25-22=3 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 36:[33, 3], Operations: ['60-35=25', '25-22=3'] Exploring Operation: 33-3=30, Resulting Numbers: [30] 30,36 unequal: No Solution Exploring Operation: 33/3=11, Resulting Numbers: [11] 11,36 unequal: No Solution Exploring Operation: 33*3=99, Resulting Numbers: [99] 99,36 unequal: No Solution Exploring Operation: 33+3=36, Resulting Numbers: [36] 36,36 equal: Goal Reached Moving to Node #0 Current State: 36:[33, 60, 22, 35], Operations: [] Exploring Operation: 60-35=25, Resulting Numbers: [33, 22, 25] Generated Node #0,0: 36:[33, 22, 25] Operation: 60-35=25 Moving to Node #0,0 Current State: 36:[33, 22, 25], Operations: ['60-35=25'] Exploring Operation: 25-22=3, Resulting Numbers: [33, 3] Generated Node #0,0,3: 36:[33, 3] Operation: 25-22=3 Moving to Node #0,0,3 Current State: 36:[33, 3], Operations: ['60-35=25', '25-22=3'] Exploring Operation: 33+3=36, Resulting Numbers: [36] 36,36 equal: Goal Reached Exit Sub Search at level 1
0.967882
hs_4
sum_heuristic
[ 61, 82, 12, 2 ]
96
[ "82-12=70", "70/2=35", "61+35=96" ]
Current State: 96:[61, 82, 12, 2], Operations: [] Exploring Operation: 82-12=70, Resulting Numbers: [61, 2, 70] Generated Node #2: [61, 2, 70] from Operation: 82-12=70 Current State: 96:[61, 2, 70], Operations: ['82-12=70'] Exploring Operation: 70/2=35, Resulting Numbers: [61, 35] Generated Node #3: [61, 35] from Operation: 70/2=35 Current State: 96:[61, 35], Operations: ['82-12=70', '70/2=35'] Exploring Operation: 61+35=96, Resulting Numbers: [96] 96,96 equal: Goal Reached
4
Current State: 96:[61, 82, 12, 2], Operations: [] Exploring Operation: 61-12=49, Resulting Numbers: [82, 2, 49] Generated Node #0,0: 96:[82, 2, 49] Operation: 61-12=49 Exploring Operation: 82+12=94, Resulting Numbers: [61, 2, 94] Generated Node #0,1: 96:[61, 2, 94] Operation: 82+12=94 Exploring Operation: 82-61=21, Resulting Numbers: [12, 2, 21] Generated Node #0,2: 96:[12, 2, 21] Operation: 82-61=21 Moving to Node #0,2 Current State: 96:[12, 2, 21], Operations: ['82-61=21'] Exploring Operation: 21-12=9, Resulting Numbers: [2, 9] Generated Node #0,2,0: 96:[2, 9] Operation: 21-12=9 Exploring Operation: 2+21=23, Resulting Numbers: [12, 23] Generated Node #0,2,1: 96:[12, 23] Operation: 2+21=23 Exploring Operation: 12+21=33, Resulting Numbers: [2, 33] Generated Node #0,2,2: 96:[2, 33] Operation: 12+21=33 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 96:[2, 9], Operations: ['82-61=21', '21-12=9'] Exploring Operation: 2*9=18, Resulting Numbers: [18] 18,96 unequal: No Solution Exploring Operation: 2+9=11, Resulting Numbers: [11] 11,96 unequal: No Solution Exploring Operation: 9-2=7, Resulting Numbers: [7] 7,96 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 96:[12, 23], Operations: ['82-61=21', '2+21=23'] Exploring Operation: 23-12=11, Resulting Numbers: [11] 11,96 unequal: No Solution Exploring Operation: 12+23=35, Resulting Numbers: [35] 35,96 unequal: No Solution Exploring Operation: 12*23=276, Resulting Numbers: [276] 276,96 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 96:[2, 33], Operations: ['82-61=21', '12+21=33'] Exploring Operation: 2*33=66, Resulting Numbers: [66] 66,96 unequal: No Solution Exploring Operation: 33-2=31, Resulting Numbers: [31] 31,96 unequal: No Solution Exploring Operation: 2+33=35, Resulting Numbers: [35] 35,96 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: 96:[82, 2, 49], Operations: ['61-12=49'] Exploring Operation: 82+2=84, Resulting Numbers: [49, 84] Generated Node #0,0,0: 96:[49, 84] Operation: 82+2=84 Exploring Operation: 82-49=33, Resulting Numbers: [2, 33] Generated Node #0,0,1: 96:[2, 33] Operation: 82-49=33 Exploring Operation: 82/2=41, Resulting Numbers: [49, 41] Generated Node #0,0,2: 96:[49, 41] Operation: 82/2=41 Moving to Node #0,1 Current State: 96:[61, 2, 94], Operations: ['82+12=94'] Exploring Operation: 2+94=96, Resulting Numbers: [61, 96] Generated Node #0,1,0: 96:[61, 96] Operation: 2+94=96 Exploring Operation: 61-2=59, Resulting Numbers: [94, 59] Generated Node #0,1,1: 96:[94, 59] Operation: 61-2=59 Exploring Operation: 94-61=33, Resulting Numbers: [2, 33] Generated Node #0,1,2: 96:[2, 33] Operation: 94-61=33 Moving to Node #0,0,1 Current State: 96:[2, 33], Operations: ['61-12=49', '82-49=33'] Exploring Operation: 2+33=35, Resulting Numbers: [35] 35,96 unequal: No Solution Exploring Operation: 2*33=66, Resulting Numbers: [66] 66,96 unequal: No Solution Exploring Operation: 33-2=31, Resulting Numbers: [31] 31,96 unequal: No Solution Moving to Node #0,1,2 Current State: 96:[2, 33], Operations: ['82+12=94', '94-61=33'] Exploring Operation: 2+33=35, Resulting Numbers: [35] 35,96 unequal: No Solution Exploring Operation: 33-2=31, Resulting Numbers: [31] 31,96 unequal: No Solution Exploring Operation: 2*33=66, Resulting Numbers: [66] 66,96 unequal: No Solution Moving to Node #0,0,2 Current State: 96:[49, 41], Operations: ['61-12=49', '82/2=41'] Exploring Operation: 49*41=2009, Resulting Numbers: [2009] 2009,96 unequal: No Solution Exploring Operation: 49-41=8, Resulting Numbers: [8] 8,96 unequal: No Solution Exploring Operation: 49+41=90, Resulting Numbers: [90] 90,96 unequal: No Solution Moving to Node #0,0,0 Current State: 96:[49, 84], Operations: ['61-12=49', '82+2=84'] Exploring Operation: 49+84=133, Resulting Numbers: [133] 133,96 unequal: No Solution Exploring Operation: 84-49=35, Resulting Numbers: [35] 35,96 unequal: No Solution Exploring Operation: 49*84=4116, Resulting Numbers: [4116] 4116,96 unequal: No Solution Moving to Node #0,1,1 Current State: 96:[94, 59], Operations: ['82+12=94', '61-2=59'] Exploring Operation: 94+59=153, Resulting Numbers: [153] 153,96 unequal: No Solution Exploring Operation: 94*59=5546, Resulting Numbers: [5546] 5546,96 unequal: No Solution Exploring Operation: 94-59=35, Resulting Numbers: [35] 35,96 unequal: No Solution Moving to Node #0,1,0 Current State: 96:[61, 96], Operations: ['82+12=94', '2+94=96'] Exploring Operation: 61+96=157, Resulting Numbers: [157] 157,96 unequal: No Solution Exploring Operation: 96-61=35, Resulting Numbers: [35] 35,96 unequal: No Solution Exploring Operation: 61*96=5856, Resulting Numbers: [5856] 5856,96 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 4, 3, 4, 87 ]
85
[ "4/4=1", "87-3=84", "1+84=85" ]
Current State: 85:[4, 3, 4, 87], Operations: [] Exploring Operation: 4/4=1, Resulting Numbers: [3, 87, 1] Generated Node #2: [3, 87, 1] from Operation: 4/4=1 Current State: 85:[3, 87, 1], Operations: ['4/4=1'] Exploring Operation: 87-3=84, Resulting Numbers: [1, 84] Generated Node #3: [1, 84] from Operation: 87-3=84 Current State: 85:[1, 84], Operations: ['4/4=1', '87-3=84'] Exploring Operation: 1+84=85, Resulting Numbers: [85] 85,85 equal: Goal Reached
4
Current State: 85:[4, 3, 4, 87], Operations: [] Exploring Operation: 4+3=7, Resulting Numbers: [4, 87, 7] Generated Node #0,0: 85:[4, 87, 7] Operation: 4+3=7 Exploring Operation: 3+4=7, Resulting Numbers: [4, 87, 7] Generated Node #0,1: 85:[4, 87, 7] Operation: 3+4=7 Exploring Operation: 87-4=83, Resulting Numbers: [3, 4, 83] Generated Node #0,2: 85:[3, 4, 83] Operation: 87-4=83 Exploring Operation: 4*4=16, Resulting Numbers: [3, 87, 16] Generated Node #0,3: 85:[3, 87, 16] Operation: 4*4=16 Exploring Operation: 87-3=84, Resulting Numbers: [4, 4, 84] Generated Node #0,4: 85:[4, 4, 84] Operation: 87-3=84 Start Sub Search at level 1: Moving to Node #0,4 Current State: 85:[4, 4, 84], Operations: ['87-3=84'] Exploring Operation: 4/4=1, Resulting Numbers: [84, 1] Generated Node #0,4,0: 85:[84, 1] Operation: 4/4=1 Exploring Operation: 4*4=16, Resulting Numbers: [84, 16] Generated Node #0,4,1: 85:[84, 16] Operation: 4*4=16 Exploring Operation: 4+4=8, Resulting Numbers: [84, 8] Generated Node #0,4,2: 85:[84, 8] Operation: 4+4=8 Exploring Operation: 4+84=88, Resulting Numbers: [4, 88] Generated Node #0,4,3: 85:[4, 88] Operation: 4+84=88 Exploring Operation: 4+84=88, Resulting Numbers: [4, 88] Generated Node #0,4,4: 85:[4, 88] Operation: 4+84=88 Moving to Node #0,4,1 Current State: 85:[84, 16], Operations: ['87-3=84', '4*4=16'] Exploring Operation: 84+16=100, Resulting Numbers: [100] 100,85 unequal: No Solution Exploring Operation: 84*16=1344, Resulting Numbers: [1344] 1344,85 unequal: No Solution Exploring Operation: 84-16=68, Resulting Numbers: [68] 68,85 unequal: No Solution Moving to Node #0,4,3 Current State: 85:[4, 88], Operations: ['87-3=84', '4+84=88'] Exploring Operation: 4*88=352, Resulting Numbers: [352] 352,85 unequal: No Solution Exploring Operation: 88/4=22, Resulting Numbers: [22] 22,85 unequal: No Solution Exploring Operation: 88-4=84, Resulting Numbers: [84] 84,85 unequal: No Solution Exploring Operation: 4+88=92, Resulting Numbers: [92] 92,85 unequal: No Solution Moving to Node #0,4,2 Current State: 85:[84, 8], Operations: ['87-3=84', '4+4=8'] Exploring Operation: 84-8=76, Resulting Numbers: [76] 76,85 unequal: No Solution Exploring Operation: 84+8=92, Resulting Numbers: [92] 92,85 unequal: No Solution Exploring Operation: 84*8=672, Resulting Numbers: [672] 672,85 unequal: No Solution Moving to Node #0,4,4 Current State: 85:[4, 88], Operations: ['87-3=84', '4+84=88'] Exploring Operation: 4*88=352, Resulting Numbers: [352] 352,85 unequal: No Solution Exploring Operation: 4+88=92, Resulting Numbers: [92] 92,85 unequal: No Solution Exploring Operation: 88-4=84, Resulting Numbers: [84] 84,85 unequal: No Solution Exploring Operation: 88/4=22, Resulting Numbers: [22] 22,85 unequal: No Solution Moving to Node #0,4,0 Current State: 85:[84, 1], Operations: ['87-3=84', '4/4=1'] Exploring Operation: 84+1=85, Resulting Numbers: [85] 85,85 equal: Goal Reached Moving to Node #0 Current State: 85:[4, 3, 4, 87], Operations: [] Exploring Operation: 87-3=84, Resulting Numbers: [4, 4, 84] Generated Node #0,4: 85:[4, 4, 84] Operation: 87-3=84 Moving to Node #0,4 Current State: 85:[4, 4, 84], Operations: ['87-3=84'] Exploring Operation: 4/4=1, Resulting Numbers: [84, 1] Generated Node #0,4,0: 85:[84, 1] Operation: 4/4=1 Moving to Node #0,4,0 Current State: 85:[84, 1], Operations: ['87-3=84', '4/4=1'] Exploring Operation: 84+1=85, Resulting Numbers: [85] 85,85 equal: Goal Reached Exit Sub Search at level 1
0.974826
hs_5
sum_heuristic
[ 9, 3, 51, 27 ]
84
[ "9-3=6", "51+27=78", "6+78=84" ]
Current State: 84:[9, 3, 51, 27], Operations: [] Exploring Operation: 9-3=6, Resulting Numbers: [51, 27, 6] Generated Node #2: [51, 27, 6] from Operation: 9-3=6 Current State: 84:[51, 27, 6], Operations: ['9-3=6'] Exploring Operation: 51+27=78, Resulting Numbers: [6, 78] Generated Node #3: [6, 78] from Operation: 51+27=78 Current State: 84:[6, 78], Operations: ['9-3=6', '51+27=78'] Exploring Operation: 6+78=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
4
Current State: 84:[9, 3, 51, 27], Operations: [] Exploring Operation: 51/3=17, Resulting Numbers: [9, 27, 17] Generated Node #0,0: 84:[9, 27, 17] Operation: 51/3=17 Exploring Operation: 51+27=78, Resulting Numbers: [9, 3, 78] Generated Node #0,1: 84:[9, 3, 78] Operation: 51+27=78 Exploring Operation: 51-27=24, Resulting Numbers: [9, 3, 24] Generated Node #0,2: 84:[9, 3, 24] Operation: 51-27=24 Exploring Operation: 51-9=42, Resulting Numbers: [3, 27, 42] Generated Node #0,3: 84:[3, 27, 42] Operation: 51-9=42 Exploring Operation: 27/9=3, Resulting Numbers: [3, 51, 3] Generated Node #0,4: 84:[3, 51, 3] Operation: 27/9=3 Moving to Node #0,3 Current State: 84:[3, 27, 42], Operations: ['51-9=42'] Exploring Operation: 3*27=81, Resulting Numbers: [42, 81] Generated Node #0,3,0: 84:[42, 81] Operation: 3*27=81 Exploring Operation: 42-27=15, Resulting Numbers: [3, 15] Generated Node #0,3,1: 84:[3, 15] Operation: 42-27=15 Exploring Operation: 27/3=9, Resulting Numbers: [42, 9] Generated Node #0,3,2: 84:[42, 9] Operation: 27/3=9 Exploring Operation: 42/3=14, Resulting Numbers: [27, 14] Generated Node #0,3,3: 84:[27, 14] Operation: 42/3=14 Exploring Operation: 3+27=30, Resulting Numbers: [42, 30] Generated Node #0,3,4: 84:[42, 30] Operation: 3+27=30 Moving to Node #0,2 Current State: 84:[9, 3, 24], Operations: ['51-27=24'] Exploring Operation: 24-3=21, Resulting Numbers: [9, 21] Generated Node #0,2,0: 84:[9, 21] Operation: 24-3=21 Exploring Operation: 24-9=15, Resulting Numbers: [3, 15] Generated Node #0,2,1: 84:[3, 15] Operation: 24-9=15 Exploring Operation: 9+3=12, Resulting Numbers: [24, 12] Generated Node #0,2,2: 84:[24, 12] Operation: 9+3=12 Exploring Operation: 9/3=3, Resulting Numbers: [24, 3] Generated Node #0,2,3: 84:[24, 3] Operation: 9/3=3 Exploring Operation: 9-3=6, Resulting Numbers: [24, 6] Generated Node #0,2,4: 84:[24, 6] Operation: 9-3=6 Moving to Node #0,0 Current State: 84:[9, 27, 17], Operations: ['51/3=17'] Exploring Operation: 27+17=44, Resulting Numbers: [9, 44] Generated Node #0,0,0: 84:[9, 44] Operation: 27+17=44 Exploring Operation: 27-17=10, Resulting Numbers: [9, 10] Generated Node #0,0,1: 84:[9, 10] Operation: 27-17=10 Exploring Operation: 27/9=3, Resulting Numbers: [17, 3] Generated Node #0,0,2: 84:[17, 3] Operation: 27/9=3 Exploring Operation: 9+17=26, Resulting Numbers: [27, 26] Generated Node #0,0,3: 84:[27, 26] Operation: 9+17=26 Exploring Operation: 17-9=8, Resulting Numbers: [27, 8] Generated Node #0,0,4: 84:[27, 8] Operation: 17-9=8 Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 84:[27, 8], Operations: ['51/3=17', '17-9=8'] Exploring Operation: 27-8=19, Resulting Numbers: [19] 19,84 unequal: No Solution Exploring Operation: 27*8=216, Resulting Numbers: [216] 216,84 unequal: No Solution Exploring Operation: 27+8=35, Resulting Numbers: [35] 35,84 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 #0,0,2 Current State: 84:[17, 3], Operations: ['51/3=17', '27/9=3'] Exploring Operation: 17+3=20, Resulting Numbers: [20] 20,84 unequal: No Solution Exploring Operation: 17*3=51, Resulting Numbers: [51] 51,84 unequal: No Solution Exploring Operation: 17-3=14, Resulting Numbers: [14] 14,84 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 #0,0,3 Current State: 84:[27, 26], Operations: ['51/3=17', '9+17=26'] Exploring Operation: 27-26=1, Resulting Numbers: [1] 1,84 unequal: No Solution Exploring Operation: 27*26=702, Resulting Numbers: [702] 702,84 unequal: No Solution Exploring Operation: 27+26=53, Resulting Numbers: [53] 53,84 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:[9, 44], Operations: ['51/3=17', '27+17=44'] Exploring Operation: 9+44=53, Resulting Numbers: [53] 53,84 unequal: No Solution Exploring Operation: 9*44=396, Resulting Numbers: [396] 396,84 unequal: No Solution Exploring Operation: 44-9=35, Resulting Numbers: [35] 35,84 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:[9, 10], Operations: ['51/3=17', '27-17=10'] Exploring Operation: 10-9=1, Resulting Numbers: [1] 1,84 unequal: No Solution Exploring Operation: 9*10=90, Resulting Numbers: [90] 90,84 unequal: No Solution Exploring Operation: 9+10=19, Resulting Numbers: [19] 19,84 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:[9, 3, 78], Operations: ['51+27=78'] Exploring Operation: 9-3=6, Resulting Numbers: [78, 6] Generated Node #0,1,0: 84:[78, 6] Operation: 9-3=6 Exploring Operation: 9+3=12, Resulting Numbers: [78, 12] Generated Node #0,1,1: 84:[78, 12] Operation: 9+3=12 Exploring Operation: 78/3=26, Resulting Numbers: [9, 26] Generated Node #0,1,2: 84:[9, 26] Operation: 78/3=26 Exploring Operation: 9+78=87, Resulting Numbers: [3, 87] Generated Node #0,1,3: 84:[3, 87] Operation: 9+78=87 Exploring Operation: 3+78=81, Resulting Numbers: [9, 81] Generated Node #0,1,4: 84:[9, 81] Operation: 3+78=81 Moving to Node #0,4 Current State: 84:[3, 51, 3], Operations: ['27/9=3'] Exploring Operation: 51-3=48, Resulting Numbers: [3, 48] Generated Node #0,4,0: 84:[3, 48] Operation: 51-3=48 Exploring Operation: 51/3=17, Resulting Numbers: [3, 17] Generated Node #0,4,1: 84:[3, 17] Operation: 51/3=17 Exploring Operation: 51-3=48, Resulting Numbers: [3, 48] Generated Node #0,4,2: 84:[3, 48] Operation: 51-3=48 Exploring Operation: 51/3=17, Resulting Numbers: [3, 17] Generated Node #0,4,3: 84:[3, 17] Operation: 51/3=17 Exploring Operation: 3+3=6, Resulting Numbers: [51, 6] Generated Node #0,4,4: 84:[51, 6] Operation: 3+3=6 Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 84:[3, 17], Operations: ['27/9=3', '51/3=17'] Exploring Operation: 17-3=14, Resulting Numbers: [14] 14,84 unequal: No Solution Exploring Operation: 3+17=20, Resulting Numbers: [20] 20,84 unequal: No Solution Exploring Operation: 3*17=51, Resulting Numbers: [51] 51,84 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 #0,4,3 Current State: 84:[3, 17], Operations: ['27/9=3', '51/3=17'] Exploring Operation: 3+17=20, Resulting Numbers: [20] 20,84 unequal: No Solution Exploring Operation: 3*17=51, Resulting Numbers: [51] 51,84 unequal: No Solution Exploring Operation: 17-3=14, Resulting Numbers: [14] 14,84 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 #0,4,0 Current State: 84:[3, 48], Operations: ['27/9=3', '51-3=48'] Exploring Operation: 48-3=45, Resulting Numbers: [45] 45,84 unequal: No Solution Exploring Operation: 3*48=144, Resulting Numbers: [144] 144,84 unequal: No Solution Exploring Operation: 48/3=16, Resulting Numbers: [16] 16,84 unequal: No Solution Exploring Operation: 3+48=51, Resulting Numbers: [51] 51,84 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 #0,4,2 Current State: 84:[3, 48], Operations: ['27/9=3', '51-3=48'] Exploring Operation: 48/3=16, Resulting Numbers: [16] 16,84 unequal: No Solution Exploring Operation: 48-3=45, Resulting Numbers: [45] 45,84 unequal: No Solution Exploring Operation: 3+48=51, Resulting Numbers: [51] 51,84 unequal: No Solution Exploring Operation: 3*48=144, Resulting Numbers: [144] 144,84 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 #0,4,4 Current State: 84:[51, 6], Operations: ['27/9=3', '3+3=6'] Exploring Operation: 51+6=57, Resulting Numbers: [57] 57,84 unequal: No Solution Exploring Operation: 51-6=45, Resulting Numbers: [45] 45,84 unequal: No Solution Exploring Operation: 51*6=306, Resulting Numbers: [306] 306,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3,1 Current State: 84:[3, 15], Operations: ['51-9=42', '42-27=15'] Exploring Operation: 15-3=12, Resulting Numbers: [12] 12,84 unequal: No Solution Exploring Operation: 15/3=5, Resulting Numbers: [5] 5,84 unequal: No Solution Exploring Operation: 3+15=18, Resulting Numbers: [18] 18,84 unequal: No Solution Exploring Operation: 3*15=45, Resulting Numbers: [45] 45,84 unequal: No Solution Moving to Node #0,2,1 Current State: 84:[3, 15], Operations: ['51-27=24', '24-9=15'] Exploring Operation: 15-3=12, Resulting Numbers: [12] 12,84 unequal: No Solution Exploring Operation: 15/3=5, Resulting Numbers: [5] 5,84 unequal: No Solution Exploring Operation: 3+15=18, Resulting Numbers: [18] 18,84 unequal: No Solution Exploring Operation: 3*15=45, Resulting Numbers: [45] 45,84 unequal: No Solution Moving to Node #0,3,3 Current State: 84:[27, 14], Operations: ['51-9=42', '42/3=14'] Exploring Operation: 27*14=378, Resulting Numbers: [378] 378,84 unequal: No Solution Exploring Operation: 27-14=13, Resulting Numbers: [13] 13,84 unequal: No Solution Exploring Operation: 27+14=41, Resulting Numbers: [41] 41,84 unequal: No Solution Moving to Node #0,2,0 Current State: 84:[9, 21], Operations: ['51-27=24', '24-3=21'] Exploring Operation: 9+21=30, Resulting Numbers: [30] 30,84 unequal: No Solution Exploring Operation: 9*21=189, Resulting Numbers: [189] 189,84 unequal: No Solution Exploring Operation: 21-9=12, Resulting Numbers: [12] 12,84 unequal: No Solution Moving to Node #0,3,2 Current State: 84:[42, 9], Operations: ['51-9=42', '27/3=9'] Exploring Operation: 42*9=378, Resulting Numbers: [378] 378,84 unequal: No Solution Exploring Operation: 42+9=51, Resulting Numbers: [51] 51,84 unequal: No Solution Exploring Operation: 42-9=33, Resulting Numbers: [33] 33,84 unequal: No Solution Moving to Node #0,3,4 Current State: 84:[42, 30], Operations: ['51-9=42', '3+27=30'] Exploring Operation: 42+30=72, Resulting Numbers: [72] 72,84 unequal: No Solution Exploring Operation: 42-30=12, Resulting Numbers: [12] 12,84 unequal: No Solution Exploring Operation: 42*30=1260, Resulting Numbers: [1260] 1260,84 unequal: No Solution Moving to Node #0,3,0 Current State: 84:[42, 81], Operations: ['51-9=42', '3*27=81'] Exploring Operation: 42*81=3402, Resulting Numbers: [3402] 3402,84 unequal: No Solution Exploring Operation: 42+81=123, Resulting Numbers: [123] 123,84 unequal: No Solution Exploring Operation: 81-42=39, Resulting Numbers: [39] 39,84 unequal: No Solution Moving to Node #0,2,4 Current State: 84:[24, 6], Operations: ['51-27=24', '9-3=6'] Exploring Operation: 24-6=18, Resulting Numbers: [18] 18,84 unequal: No Solution Exploring Operation: 24*6=144, Resulting Numbers: [144] 144,84 unequal: No Solution Exploring Operation: 24/6=4, Resulting Numbers: [4] 4,84 unequal: No Solution Exploring Operation: 24+6=30, Resulting Numbers: [30] 30,84 unequal: No Solution Moving to Node #0,1,3 Current State: 84:[3, 87], Operations: ['51+27=78', '9+78=87'] Exploring Operation: 87/3=29, Resulting Numbers: [29] 29,84 unequal: No Solution Exploring Operation: 87-3=84, Resulting Numbers: [84] 84,84 equal: Goal Reached Moving to Node #0 Current State: 84:[9, 3, 51, 27], Operations: [] Exploring Operation: 51+27=78, Resulting Numbers: [9, 3, 78] Generated Node #0,1: 84:[9, 3, 78] Operation: 51+27=78 Moving to Node #0,1 Current State: 84:[9, 3, 78], Operations: ['51+27=78'] Exploring Operation: 9+78=87, Resulting Numbers: [3, 87] Generated Node #0,1,3: 84:[3, 87] Operation: 9+78=87 Moving to Node #0,1,3 Current State: 84:[3, 87], Operations: ['51+27=78', '9+78=87'] Exploring Operation: 87-3=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
0.917535
hs_5
mult_heuristic
[ 58, 23, 44, 45 ]
81
[ "58+23=81", "45-44=1", "81*1=81" ]
Current State: 81:[58, 23, 44, 45], Operations: [] Exploring Operation: 58+23=81, Resulting Numbers: [44, 45, 81] Generated Node #2: [44, 45, 81] from Operation: 58+23=81 Current State: 81:[44, 45, 81], Operations: ['58+23=81'] Exploring Operation: 45-44=1, Resulting Numbers: [81, 1] Generated Node #3: [81, 1] from Operation: 45-44=1 Current State: 81:[81, 1], Operations: ['58+23=81', '45-44=1'] Exploring Operation: 81*1=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[58, 23, 44, 45], Operations: [] Exploring Operation: 58-45=13, Resulting Numbers: [23, 44, 13] Generated Node #0,0: 81:[23, 44, 13] Operation: 58-45=13 Moving to Node #0,0 Current State: 81:[23, 44, 13], Operations: ['58-45=13'] Exploring Operation: 44-13=31, Resulting Numbers: [23, 31] Generated Node #0,0,0: 81:[23, 31] Operation: 44-13=31 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 81:[23, 31], Operations: ['58-45=13', '44-13=31'] Exploring Operation: 31-23=8, Resulting Numbers: [8] 8,81 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
[ 97, 7, 47, 7 ]
49
[ "97-47=50", "7/7=1", "50-1=49" ]
Current State: 49:[97, 7, 47, 7], Operations: [] Exploring Operation: 97-47=50, Resulting Numbers: [7, 7, 50] Generated Node #2: [7, 7, 50] from Operation: 97-47=50 Current State: 49:[7, 7, 50], Operations: ['97-47=50'] Exploring Operation: 7/7=1, Resulting Numbers: [50, 1] Generated Node #3: [50, 1] from Operation: 7/7=1 Current State: 49:[50, 1], Operations: ['97-47=50', '7/7=1'] Exploring Operation: 50-1=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
4
Current State: 49:[97, 7, 47, 7], Operations: [] Exploring Operation: 97-47=50, Resulting Numbers: [7, 7, 50] Generated Node #0,0: 49:[7, 7, 50] Operation: 97-47=50 Exploring Operation: 97-7=90, Resulting Numbers: [7, 47, 90] Generated Node #0,1: 49:[7, 47, 90] Operation: 97-7=90 Exploring Operation: 97-7=90, Resulting Numbers: [47, 7, 90] Generated Node #0,2: 49:[47, 7, 90] Operation: 97-7=90 Moving to Node #0,0 Current State: 49:[7, 7, 50], Operations: ['97-47=50'] Exploring Operation: 7*7=49, Resulting Numbers: [50, 49] Generated Node #0,0,0: 49:[50, 49] Operation: 7*7=49 Exploring Operation: 50-7=43, Resulting Numbers: [7, 43] Generated Node #0,0,1: 49:[7, 43] Operation: 50-7=43 Exploring Operation: 50-7=43, Resulting Numbers: [7, 43] Generated Node #0,0,2: 49:[7, 43] Operation: 50-7=43 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 49:[50, 49], Operations: ['97-47=50', '7*7=49'] Exploring Operation: 50+49=99, Resulting Numbers: [99] 99,49 unequal: No Solution Exploring Operation: 50*49=2450, Resulting Numbers: [2450] 2450,49 unequal: No Solution Exploring Operation: 50-49=1, Resulting Numbers: [1] 1,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 49:[7, 43], Operations: ['97-47=50', '50-7=43'] Exploring Operation: 7*43=301, Resulting Numbers: [301] 301,49 unequal: No Solution Exploring Operation: 7+43=50, Resulting Numbers: [50] 50,49 unequal: No Solution Exploring Operation: 43-7=36, Resulting Numbers: [36] 36,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 49:[7, 43], Operations: ['97-47=50', '50-7=43'] Exploring Operation: 7+43=50, Resulting Numbers: [50] 50,49 unequal: No Solution Exploring Operation: 7*43=301, Resulting Numbers: [301] 301,49 unequal: No Solution Exploring Operation: 43-7=36, Resulting Numbers: [36] 36,49 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: 49:[7, 47, 90], Operations: ['97-7=90'] Exploring Operation: 90-7=83, Resulting Numbers: [47, 83] Generated Node #0,1,0: 49:[47, 83] Operation: 90-7=83 Exploring Operation: 7+47=54, Resulting Numbers: [90, 54] Generated Node #0,1,1: 49:[90, 54] Operation: 7+47=54 Exploring Operation: 90-47=43, Resulting Numbers: [7, 43] Generated Node #0,1,2: 49:[7, 43] Operation: 90-47=43 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 49:[7, 43], Operations: ['97-7=90', '90-47=43'] Exploring Operation: 7*43=301, Resulting Numbers: [301] 301,49 unequal: No Solution Exploring Operation: 43-7=36, Resulting Numbers: [36] 36,49 unequal: No Solution Exploring Operation: 7+43=50, Resulting Numbers: [50] 50,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 49:[47, 83], Operations: ['97-7=90', '90-7=83'] Exploring Operation: 83-47=36, Resulting Numbers: [36] 36,49 unequal: No Solution Exploring Operation: 47*83=3901, Resulting Numbers: [3901] 3901,49 unequal: No Solution Exploring Operation: 47+83=130, Resulting Numbers: [130] 130,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 49:[90, 54], Operations: ['97-7=90', '7+47=54'] Exploring Operation: 90*54=4860, Resulting Numbers: [4860] 4860,49 unequal: No Solution Exploring Operation: 90+54=144, Resulting Numbers: [144] 144,49 unequal: No Solution Exploring Operation: 90-54=36, Resulting Numbers: [36] 36,49 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: 49:[47, 7, 90], Operations: ['97-7=90'] Exploring Operation: 90-7=83, Resulting Numbers: [47, 83] Generated Node #0,2,0: 49:[47, 83] Operation: 90-7=83 Exploring Operation: 90-47=43, Resulting Numbers: [7, 43] Generated Node #0,2,1: 49:[7, 43] Operation: 90-47=43 Exploring Operation: 47+7=54, Resulting Numbers: [90, 54] Generated Node #0,2,2: 49:[90, 54] Operation: 47+7=54 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 49:[7, 43], Operations: ['97-7=90', '90-47=43'] Exploring Operation: 7*43=301, Resulting Numbers: [301] 301,49 unequal: No Solution Exploring Operation: 43-7=36, Resulting Numbers: [36] 36,49 unequal: No Solution Exploring Operation: 7+43=50, Resulting Numbers: [50] 50,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 49:[47, 83], Operations: ['97-7=90', '90-7=83'] Exploring Operation: 47*83=3901, Resulting Numbers: [3901] 3901,49 unequal: No Solution Exploring Operation: 83-47=36, Resulting Numbers: [36] 36,49 unequal: No Solution Exploring Operation: 47+83=130, Resulting Numbers: [130] 130,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 49:[90, 54], Operations: ['97-7=90', '47+7=54'] Exploring Operation: 90*54=4860, Resulting Numbers: [4860] 4860,49 unequal: No Solution Exploring Operation: 90-54=36, Resulting Numbers: [36] 36,49 unequal: No Solution Exploring Operation: 90+54=144, Resulting Numbers: [144] 144,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
mult_heuristic
[ 50, 57, 31, 96 ]
93
[ "50-31=19", "57/19=3", "96-3=93" ]
Current State: 93:[50, 57, 31, 96], Operations: [] Exploring Operation: 50-31=19, Resulting Numbers: [57, 96, 19] Generated Node #2: [57, 96, 19] from Operation: 50-31=19 Current State: 93:[57, 96, 19], Operations: ['50-31=19'] Exploring Operation: 57/19=3, Resulting Numbers: [96, 3] Generated Node #3: [96, 3] from Operation: 57/19=3 Current State: 93:[96, 3], Operations: ['50-31=19', '57/19=3'] Exploring Operation: 96-3=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
4
Current State: 93:[50, 57, 31, 96], Operations: [] Exploring Operation: 57-50=7, Resulting Numbers: [31, 96, 7] Generated Node #0,0: 93:[31, 96, 7] Operation: 57-50=7 Exploring Operation: 50+57=107, Resulting Numbers: [31, 96, 107] Generated Node #0,1: 93:[31, 96, 107] Operation: 50+57=107 Exploring Operation: 57+31=88, Resulting Numbers: [50, 96, 88] Generated Node #0,2: 93:[50, 96, 88] Operation: 57+31=88 Moving to Node #0,0 Current State: 93:[31, 96, 7], Operations: ['57-50=7'] Exploring Operation: 31+7=38, Resulting Numbers: [96, 38] Generated Node #0,0,0: 93:[96, 38] Operation: 31+7=38 Exploring Operation: 96-7=89, Resulting Numbers: [31, 89] Generated Node #0,0,1: 93:[31, 89] Operation: 96-7=89 Exploring Operation: 31-7=24, Resulting Numbers: [96, 24] Generated Node #0,0,2: 93:[96, 24] Operation: 31-7=24 Moving to Node #0,1 Current State: 93:[31, 96, 107], Operations: ['50+57=107'] Exploring Operation: 96-31=65, Resulting Numbers: [107, 65] Generated Node #0,1,0: 93:[107, 65] Operation: 96-31=65 Exploring Operation: 107-31=76, Resulting Numbers: [96, 76] Generated Node #0,1,1: 93:[96, 76] Operation: 107-31=76 Exploring Operation: 107-96=11, Resulting Numbers: [31, 11] Generated Node #0,1,2: 93:[31, 11] Operation: 107-96=11 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 93:[31, 11], Operations: ['50+57=107', '107-96=11'] Exploring Operation: 31*11=341, Resulting Numbers: [341] 341,93 unequal: No Solution Exploring Operation: 31+11=42, Resulting Numbers: [42] 42,93 unequal: No Solution Exploring Operation: 31-11=20, Resulting Numbers: [20] 20,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 93:[96, 76], Operations: ['50+57=107', '107-31=76'] Exploring Operation: 96*76=7296, Resulting Numbers: [7296] 7296,93 unequal: No Solution Exploring Operation: 96-76=20, Resulting Numbers: [20] 20,93 unequal: No Solution Exploring Operation: 96+76=172, Resulting Numbers: [172] 172,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 93:[107, 65], Operations: ['50+57=107', '96-31=65'] Exploring Operation: 107-65=42, Resulting Numbers: [42] 42,93 unequal: No Solution Exploring Operation: 107+65=172, Resulting Numbers: [172] 172,93 unequal: No Solution Exploring Operation: 107*65=6955, Resulting Numbers: [6955] 6955,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 93:[50, 96, 88], Operations: ['57+31=88'] Exploring Operation: 96-88=8, Resulting Numbers: [50, 8] Generated Node #0,2,0: 93:[50, 8] Operation: 96-88=8 Exploring Operation: 96-50=46, Resulting Numbers: [88, 46] Generated Node #0,2,1: 93:[88, 46] Operation: 96-50=46 Exploring Operation: 88-50=38, Resulting Numbers: [96, 38] Generated Node #0,2,2: 93:[96, 38] Operation: 88-50=38 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 93:[96, 38], Operations: ['57+31=88', '88-50=38'] Exploring Operation: 96-38=58, Resulting Numbers: [58] 58,93 unequal: No Solution Exploring Operation: 96*38=3648, Resulting Numbers: [3648] 3648,93 unequal: No Solution Exploring Operation: 96+38=134, Resulting Numbers: [134] 134,93 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 #0,2,1 Current State: 93:[88, 46], Operations: ['57+31=88', '96-50=46'] Exploring Operation: 88*46=4048, Resulting Numbers: [4048] 4048,93 unequal: No Solution Exploring Operation: 88+46=134, Resulting Numbers: [134] 134,93 unequal: No Solution Exploring Operation: 88-46=42, Resulting Numbers: [42] 42,93 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 #0,2,0 Current State: 93:[50, 8], Operations: ['57+31=88', '96-88=8'] Exploring Operation: 50+8=58, Resulting Numbers: [58] 58,93 unequal: No Solution Exploring Operation: 50*8=400, Resulting Numbers: [400] 400,93 unequal: No Solution Exploring Operation: 50-8=42, Resulting Numbers: [42] 42,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,1 Current State: 93:[31, 89], Operations: ['57-50=7', '96-7=89'] Exploring Operation: 31*89=2759, Resulting Numbers: [2759] 2759,93 unequal: No Solution Exploring Operation: 89-31=58, Resulting Numbers: [58] 58,93 unequal: No Solution Exploring Operation: 31+89=120, Resulting Numbers: [120] 120,93 unequal: No Solution Moving to Node #0,0,0 Current State: 93:[96, 38], Operations: ['57-50=7', '31+7=38'] Exploring Operation: 96+38=134, Resulting Numbers: [134] 134,93 unequal: No Solution Exploring Operation: 96-38=58, Resulting Numbers: [58] 58,93 unequal: No Solution Exploring Operation: 96*38=3648, Resulting Numbers: [3648] 3648,93 unequal: No Solution Moving to Node #0,0,2 Current State: 93:[96, 24], Operations: ['57-50=7', '31-7=24'] Exploring Operation: 96+24=120, Resulting Numbers: [120] 120,93 unequal: No Solution Exploring Operation: 96/24=4, Resulting Numbers: [4] 4,93 unequal: No Solution Exploring Operation: 96-24=72, Resulting Numbers: [72] 72,93 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 25, 91, 84, 67 ]
83
[ "91-25=66", "84-67=17", "66+17=83" ]
Current State: 83:[25, 91, 84, 67], Operations: [] Exploring Operation: 91-25=66, Resulting Numbers: [84, 67, 66] Generated Node #2: [84, 67, 66] from Operation: 91-25=66 Current State: 83:[84, 67, 66], Operations: ['91-25=66'] Exploring Operation: 84-67=17, Resulting Numbers: [66, 17] Generated Node #3: [66, 17] from Operation: 84-67=17 Current State: 83:[66, 17], Operations: ['91-25=66', '84-67=17'] Exploring Operation: 66+17=83, Resulting Numbers: [83] 83,83 equal: Goal Reached
4
Current State: 83:[25, 91, 84, 67], Operations: [] Exploring Operation: 84-25=59, Resulting Numbers: [91, 67, 59] Generated Node #0,0: 83:[91, 67, 59] Operation: 84-25=59 Exploring Operation: 25+91=116, Resulting Numbers: [84, 67, 116] Generated Node #0,1: 83:[84, 67, 116] Operation: 25+91=116 Exploring Operation: 91-25=66, Resulting Numbers: [84, 67, 66] Generated Node #0,2: 83:[84, 67, 66] Operation: 91-25=66 Exploring Operation: 25+67=92, Resulting Numbers: [91, 84, 92] Generated Node #0,3: 83:[91, 84, 92] Operation: 25+67=92 Moving to Node #0,3 Current State: 83:[91, 84, 92], Operations: ['25+67=92'] Exploring Operation: 91-84=7, Resulting Numbers: [92, 7] Generated Node #0,3,0: 83:[92, 7] Operation: 91-84=7 Exploring Operation: 92-84=8, Resulting Numbers: [91, 8] Generated Node #0,3,1: 83:[91, 8] Operation: 92-84=8 Exploring Operation: 92-91=1, Resulting Numbers: [84, 1] Generated Node #0,3,2: 83:[84, 1] Operation: 92-91=1 Exploring Operation: 91+84=175, Resulting Numbers: [92, 175] Generated Node #0,3,3: 83:[92, 175] Operation: 91+84=175 Moving to Node #0,2 Current State: 83:[84, 67, 66], Operations: ['91-25=66'] Exploring Operation: 84-66=18, Resulting Numbers: [67, 18] Generated Node #0,2,0: 83:[67, 18] Operation: 84-66=18 Exploring Operation: 84-67=17, Resulting Numbers: [66, 17] Generated Node #0,2,1: 83:[66, 17] Operation: 84-67=17 Exploring Operation: 84+66=150, Resulting Numbers: [67, 150] Generated Node #0,2,2: 83:[67, 150] Operation: 84+66=150 Exploring Operation: 67+66=133, Resulting Numbers: [84, 133] Generated Node #0,2,3: 83:[84, 133] Operation: 67+66=133 Moving to Node #0,0 Current State: 83:[91, 67, 59], Operations: ['84-25=59'] Exploring Operation: 67+59=126, Resulting Numbers: [91, 126] Generated Node #0,0,0: 83:[91, 126] Operation: 67+59=126 Exploring Operation: 91+59=150, Resulting Numbers: [67, 150] Generated Node #0,0,1: 83:[67, 150] Operation: 91+59=150 Exploring Operation: 91-67=24, Resulting Numbers: [59, 24] Generated Node #0,0,2: 83:[59, 24] Operation: 91-67=24 Exploring Operation: 91-59=32, Resulting Numbers: [67, 32] Generated Node #0,0,3: 83:[67, 32] Operation: 91-59=32 Moving to Node #0,1 Current State: 83:[84, 67, 116], Operations: ['25+91=116'] Exploring Operation: 116-67=49, Resulting Numbers: [84, 49] Generated Node #0,1,0: 83:[84, 49] Operation: 116-67=49 Exploring Operation: 116-84=32, Resulting Numbers: [67, 32] Generated Node #0,1,1: 83:[67, 32] Operation: 116-84=32 Exploring Operation: 84+67=151, Resulting Numbers: [116, 151] Generated Node #0,1,2: 83:[116, 151] Operation: 84+67=151 Exploring Operation: 84-67=17, Resulting Numbers: [116, 17] Generated Node #0,1,3: 83:[116, 17] Operation: 84-67=17 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 83:[84, 49], Operations: ['25+91=116', '116-67=49'] Exploring Operation: 84*49=4116, Resulting Numbers: [4116] 4116,83 unequal: No Solution Exploring Operation: 84-49=35, Resulting Numbers: [35] 35,83 unequal: No Solution Exploring Operation: 84+49=133, Resulting Numbers: [133] 133,83 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 #0,1,1 Current State: 83:[67, 32], Operations: ['25+91=116', '116-84=32'] Exploring Operation: 67+32=99, Resulting Numbers: [99] 99,83 unequal: No Solution Exploring Operation: 67*32=2144, Resulting Numbers: [2144] 2144,83 unequal: No Solution Exploring Operation: 67-32=35, Resulting Numbers: [35] 35,83 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 #0,1,3 Current State: 83:[116, 17], Operations: ['25+91=116', '84-67=17'] Exploring Operation: 116-17=99, Resulting Numbers: [99] 99,83 unequal: No Solution Exploring Operation: 116*17=1972, Resulting Numbers: [1972] 1972,83 unequal: No Solution Exploring Operation: 116+17=133, Resulting Numbers: [133] 133,83 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 #0,1,2 Current State: 83:[116, 151], Operations: ['25+91=116', '84+67=151'] Exploring Operation: 116*151=17516, Resulting Numbers: [17516] 17516,83 unequal: No Solution Exploring Operation: 116+151=267, Resulting Numbers: [267] 267,83 unequal: No Solution Exploring Operation: 151-116=35, Resulting Numbers: [35] 35,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2,3 Current State: 83:[84, 133], Operations: ['91-25=66', '67+66=133'] Exploring Operation: 84*133=11172, Resulting Numbers: [11172] 11172,83 unequal: No Solution Exploring Operation: 84+133=217, Resulting Numbers: [217] 217,83 unequal: No Solution Exploring Operation: 133-84=49, Resulting Numbers: [49] 49,83 unequal: No Solution Moving to Node #0,0,0 Current State: 83:[91, 126], Operations: ['84-25=59', '67+59=126'] Exploring Operation: 126-91=35, Resulting Numbers: [35] 35,83 unequal: No Solution Exploring Operation: 91*126=11466, Resulting Numbers: [11466] 11466,83 unequal: No Solution Exploring Operation: 91+126=217, Resulting Numbers: [217] 217,83 unequal: No Solution Moving to Node #0,0,3 Current State: 83:[67, 32], Operations: ['84-25=59', '91-59=32'] Exploring Operation: 67*32=2144, Resulting Numbers: [2144] 2144,83 unequal: No Solution Exploring Operation: 67-32=35, Resulting Numbers: [35] 35,83 unequal: No Solution Exploring Operation: 67+32=99, Resulting Numbers: [99] 99,83 unequal: No Solution Moving to Node #0,2,0 Current State: 83:[67, 18], Operations: ['91-25=66', '84-66=18'] Exploring Operation: 67+18=85, Resulting Numbers: [85] 85,83 unequal: No Solution Exploring Operation: 67-18=49, Resulting Numbers: [49] 49,83 unequal: No Solution Exploring Operation: 67*18=1206, Resulting Numbers: [1206] 1206,83 unequal: No Solution Moving to Node #0,2,1 Current State: 83:[66, 17], Operations: ['91-25=66', '84-67=17'] Exploring Operation: 66*17=1122, Resulting Numbers: [1122] 1122,83 unequal: No Solution Exploring Operation: 66+17=83, Resulting Numbers: [83] 83,83 equal: Goal Reached Moving to Node #0 Current State: 83:[25, 91, 84, 67], Operations: [] Exploring Operation: 91-25=66, Resulting Numbers: [84, 67, 66] Generated Node #0,2: 83:[84, 67, 66] Operation: 91-25=66 Moving to Node #0,2 Current State: 83:[84, 67, 66], Operations: ['91-25=66'] Exploring Operation: 84-67=17, Resulting Numbers: [66, 17] Generated Node #0,2,1: 83:[66, 17] Operation: 84-67=17 Moving to Node #0,2,1 Current State: 83:[66, 17], Operations: ['91-25=66', '84-67=17'] Exploring Operation: 66+17=83, Resulting Numbers: [83] 83,83 equal: Goal Reached
0.956597
hs_4
mult_heuristic
[ 96, 22, 61, 93 ]
66
[ "96*22=2112", "93-61=32", "2112/32=66" ]
Current State: 66:[96, 22, 61, 93], Operations: [] Exploring Operation: 96*22=2112, Resulting Numbers: [61, 93, 2112] Generated Node #2: [61, 93, 2112] from Operation: 96*22=2112 Current State: 66:[61, 93, 2112], Operations: ['96*22=2112'] Exploring Operation: 93-61=32, Resulting Numbers: [2112, 32] Generated Node #3: [2112, 32] from Operation: 93-61=32 Current State: 66:[2112, 32], Operations: ['96*22=2112', '93-61=32'] Exploring Operation: 2112/32=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
4
Current State: 66:[96, 22, 61, 93], Operations: [] Exploring Operation: 96-93=3, Resulting Numbers: [22, 61, 3] Generated Node #0,0: 66:[22, 61, 3] Operation: 96-93=3 Start Sub Search at level 1: Moving to Node #0,0 Current State: 66:[22, 61, 3], Operations: ['96-93=3'] Exploring Operation: 61+3=64, Resulting Numbers: [22, 64] Generated Node #0,0,0: 66:[22, 64] Operation: 61+3=64 Moving to Node #0,0,0 Current State: 66:[22, 64], Operations: ['96-93=3', '61+3=64'] Exploring Operation: 64-22=42, Resulting Numbers: [42] 42,66 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
[ 43, 15, 86, 60 ]
45
[ "86/43=2", "60/2=30", "15+30=45" ]
Current State: 45:[43, 15, 86, 60], Operations: [] Exploring Operation: 86/43=2, Resulting Numbers: [15, 60, 2] Generated Node #2: [15, 60, 2] from Operation: 86/43=2 Current State: 45:[15, 60, 2], Operations: ['86/43=2'] Exploring Operation: 60/2=30, Resulting Numbers: [15, 30] Generated Node #3: [15, 30] from Operation: 60/2=30 Current State: 45:[15, 30], Operations: ['86/43=2', '60/2=30'] Exploring Operation: 15+30=45, Resulting Numbers: [45] 45,45 equal: Goal Reached
4
Current State: 45:[43, 15, 86, 60], Operations: [] Exploring Operation: 86/43=2, Resulting Numbers: [15, 60, 2] Generated Node #0,0: 45:[15, 60, 2] Operation: 86/43=2 Exploring Operation: 86-60=26, Resulting Numbers: [43, 15, 26] Generated Node #0,1: 45:[43, 15, 26] Operation: 86-60=26 Moving to Node #0,1 Current State: 45:[43, 15, 26], Operations: ['86-60=26'] Exploring Operation: 43-26=17, Resulting Numbers: [15, 17] Generated Node #0,1,0: 45:[15, 17] Operation: 43-26=17 Exploring Operation: 26-15=11, Resulting Numbers: [43, 11] Generated Node #0,1,1: 45:[43, 11] Operation: 26-15=11 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 45:[15, 17], Operations: ['86-60=26', '43-26=17'] Exploring Operation: 15+17=32, Resulting Numbers: [32] 32,45 unequal: No Solution Exploring Operation: 17-15=2, Resulting Numbers: [2] 2,45 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 45:[43, 11], Operations: ['86-60=26', '26-15=11'] Exploring Operation: 43+11=54, Resulting Numbers: [54] 54,45 unequal: No Solution Exploring Operation: 43-11=32, Resulting Numbers: [32] 32,45 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: 45:[15, 60, 2], Operations: ['86/43=2'] Exploring Operation: 60/15=4, Resulting Numbers: [2, 4] Generated Node #0,0,0: 45:[2, 4] Operation: 60/15=4 Exploring Operation: 60-15=45, Resulting Numbers: [2, 45] Generated Node #0,0,1: 45:[2, 45] Operation: 60-15=45 Moving to Node #0,0,1 Current State: 45:[2, 45], Operations: ['86/43=2', '60-15=45'] Exploring Operation: 2+45=47, Resulting Numbers: [47] 47,45 unequal: No Solution Exploring Operation: 45-2=43, Resulting Numbers: [43] 43,45 unequal: No Solution Moving to Node #0,0,0 Current State: 45:[2, 4], Operations: ['86/43=2', '60/15=4'] Exploring Operation: 2+4=6, Resulting Numbers: [6] 6,45 unequal: No Solution Exploring Operation: 2*4=8, Resulting Numbers: [8] 8,45 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 63, 23, 5, 30 ]
61
[ "63+23=86", "30-5=25", "86-25=61" ]
Current State: 61:[63, 23, 5, 30], Operations: [] Exploring Operation: 63+23=86, Resulting Numbers: [5, 30, 86] Generated Node #2: [5, 30, 86] from Operation: 63+23=86 Current State: 61:[5, 30, 86], Operations: ['63+23=86'] Exploring Operation: 30-5=25, Resulting Numbers: [86, 25] Generated Node #3: [86, 25] from Operation: 30-5=25 Current State: 61:[86, 25], Operations: ['63+23=86', '30-5=25'] Exploring Operation: 86-25=61, Resulting Numbers: [61] 61,61 equal: Goal Reached
4
Current State: 61:[63, 23, 5, 30], Operations: [] Exploring Operation: 63-5=58, Resulting Numbers: [23, 30, 58] Generated Node #0,0: 61:[23, 30, 58] Operation: 63-5=58 Exploring Operation: 5+30=35, Resulting Numbers: [63, 23, 35] Generated Node #0,1: 61:[63, 23, 35] Operation: 5+30=35 Exploring Operation: 23+30=53, Resulting Numbers: [63, 5, 53] Generated Node #0,2: 61:[63, 5, 53] Operation: 23+30=53 Exploring Operation: 23+5=28, Resulting Numbers: [63, 30, 28] Generated Node #0,3: 61:[63, 30, 28] Operation: 23+5=28 Start Sub Search at level 1: Moving to Node #0,1 Current State: 61:[63, 23, 35], Operations: ['5+30=35'] Exploring Operation: 63+23=86, Resulting Numbers: [35, 86] Generated Node #0,1,0: 61:[35, 86] Operation: 63+23=86 Exploring Operation: 23+35=58, Resulting Numbers: [63, 58] Generated Node #0,1,1: 61:[63, 58] Operation: 23+35=58 Exploring Operation: 35-23=12, Resulting Numbers: [63, 12] Generated Node #0,1,2: 61:[63, 12] Operation: 35-23=12 Exploring Operation: 63-23=40, Resulting Numbers: [35, 40] Generated Node #0,1,3: 61:[35, 40] Operation: 63-23=40 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 61:[63, 58], Operations: ['5+30=35', '23+35=58'] Exploring Operation: 63-58=5, Resulting Numbers: [5] 5,61 unequal: No Solution Exploring Operation: 63*58=3654, Resulting Numbers: [3654] 3654,61 unequal: No Solution Exploring Operation: 63+58=121, Resulting Numbers: [121] 121,61 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 61:[35, 40], Operations: ['5+30=35', '63-23=40'] Exploring Operation: 40-35=5, Resulting Numbers: [5] 5,61 unequal: No Solution Exploring Operation: 35*40=1400, Resulting Numbers: [1400] 1400,61 unequal: No Solution Exploring Operation: 35+40=75, Resulting Numbers: [75] 75,61 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 61:[35, 86], Operations: ['5+30=35', '63+23=86'] Exploring Operation: 86-35=51, Resulting Numbers: [51] 51,61 unequal: No Solution Exploring Operation: 35*86=3010, Resulting Numbers: [3010] 3010,61 unequal: No Solution Exploring Operation: 35+86=121, Resulting Numbers: [121] 121,61 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 61:[63, 12], Operations: ['5+30=35', '35-23=12'] Exploring Operation: 63+12=75, Resulting Numbers: [75] 75,61 unequal: No Solution Exploring Operation: 63*12=756, Resulting Numbers: [756] 756,61 unequal: No Solution Exploring Operation: 63-12=51, Resulting Numbers: [51] 51,61 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 61:[63, 5, 53], Operations: ['23+30=53'] Exploring Operation: 5+53=58, Resulting Numbers: [63, 58] Generated Node #0,2,0: 61:[63, 58] Operation: 5+53=58 Exploring Operation: 63-5=58, Resulting Numbers: [53, 58] Generated Node #0,2,1: 61:[53, 58] Operation: 63-5=58 Exploring Operation: 63+5=68, Resulting Numbers: [53, 68] Generated Node #0,2,2: 61:[53, 68] Operation: 63+5=68 Exploring Operation: 53-5=48, Resulting Numbers: [63, 48] Generated Node #0,2,3: 61:[63, 48] Operation: 53-5=48 Moving to Node #0,2,0 Current State: 61:[63, 58], Operations: ['23+30=53', '5+53=58'] Exploring Operation: 63*58=3654, Resulting Numbers: [3654] 3654,61 unequal: No Solution Exploring Operation: 63-58=5, Resulting Numbers: [5] 5,61 unequal: No Solution Exploring Operation: 63+58=121, Resulting Numbers: [121] 121,61 unequal: No Solution Moving to Node #0,2,1 Current State: 61:[53, 58], Operations: ['23+30=53', '63-5=58'] Exploring Operation: 53+58=111, Resulting Numbers: [111] 111,61 unequal: No Solution Exploring Operation: 53*58=3074, Resulting Numbers: [3074] 3074,61 unequal: No Solution Exploring Operation: 58-53=5, Resulting Numbers: [5] 5,61 unequal: No Solution Moving to Node #0,2,3 Current State: 61:[63, 48], Operations: ['23+30=53', '53-5=48'] Exploring Operation: 63*48=3024, Resulting Numbers: [3024] 3024,61 unequal: No Solution Exploring Operation: 63-48=15, Resulting Numbers: [15] 15,61 unequal: No Solution Exploring Operation: 63+48=111, Resulting Numbers: [111] 111,61 unequal: No Solution Moving to Node #0,2,2 Current State: 61:[53, 68], Operations: ['23+30=53', '63+5=68'] Exploring Operation: 68-53=15, Resulting Numbers: [15] 15,61 unequal: No Solution Exploring Operation: 53+68=121, Resulting Numbers: [121] 121,61 unequal: No Solution Exploring Operation: 53*68=3604, Resulting Numbers: [3604] 3604,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 61:[63, 30, 28], Operations: ['23+5=28'] Exploring Operation: 63-30=33, Resulting Numbers: [28, 33] Generated Node #0,3,0: 61:[28, 33] Operation: 63-30=33 Exploring Operation: 30+28=58, Resulting Numbers: [63, 58] Generated Node #0,3,1: 61:[63, 58] Operation: 30+28=58 Exploring Operation: 63+28=91, Resulting Numbers: [30, 91] Generated Node #0,3,2: 61:[30, 91] Operation: 63+28=91 Exploring Operation: 63-28=35, Resulting Numbers: [30, 35] Generated Node #0,3,3: 61:[30, 35] Operation: 63-28=35 Moving to Node #0,3,1 Current State: 61:[63, 58], Operations: ['23+5=28', '30+28=58'] Exploring Operation: 63+58=121, Resulting Numbers: [121] 121,61 unequal: No Solution Exploring Operation: 63*58=3654, Resulting Numbers: [3654] 3654,61 unequal: No Solution Exploring Operation: 63-58=5, Resulting Numbers: [5] 5,61 unequal: No Solution Moving to Node #0,3,3 Current State: 61:[30, 35], Operations: ['23+5=28', '63-28=35'] Exploring Operation: 30+35=65, Resulting Numbers: [65] 65,61 unequal: No Solution Exploring Operation: 30*35=1050, Resulting Numbers: [1050] 1050,61 unequal: No Solution Exploring Operation: 35-30=5, Resulting Numbers: [5] 5,61 unequal: No Solution Moving to Node #0,3,2 Current State: 61:[30, 91], Operations: ['23+5=28', '63+28=91'] Exploring Operation: 91-30=61, Resulting Numbers: [61] 61,61 equal: Goal Reached Moving to Node #0 Current State: 61:[63, 23, 5, 30], Operations: [] Exploring Operation: 23+5=28, Resulting Numbers: [63, 30, 28] Generated Node #0,3: 61:[63, 30, 28] Operation: 23+5=28 Moving to Node #0,3 Current State: 61:[63, 30, 28], Operations: ['23+5=28'] Exploring Operation: 63+28=91, Resulting Numbers: [30, 91] Generated Node #0,3,2: 61:[30, 91] Operation: 63+28=91 Moving to Node #0,3,2 Current State: 61:[30, 91], Operations: ['23+5=28', '63+28=91'] Exploring Operation: 91-30=61, Resulting Numbers: [61] 61,61 equal: Goal Reached Exit Sub Search at level 1
0.955729
hs_4
mult_heuristic
[ 3, 40, 59, 67 ]
82
[ "59+67=126", "126/3=42", "40+42=82" ]
Current State: 82:[3, 40, 59, 67], Operations: [] Exploring Operation: 59+67=126, Resulting Numbers: [3, 40, 126] Generated Node #2: [3, 40, 126] from Operation: 59+67=126 Current State: 82:[3, 40, 126], Operations: ['59+67=126'] Exploring Operation: 126/3=42, Resulting Numbers: [40, 42] Generated Node #3: [40, 42] from Operation: 126/3=42 Current State: 82:[40, 42], Operations: ['59+67=126', '126/3=42'] Exploring Operation: 40+42=82, Resulting Numbers: [82] 82,82 equal: Goal Reached
4
Current State: 82:[3, 40, 59, 67], Operations: [] Exploring Operation: 59-3=56, Resulting Numbers: [40, 67, 56] Generated Node #0,0: 82:[40, 67, 56] Operation: 59-3=56 Exploring Operation: 67-59=8, Resulting Numbers: [3, 40, 8] Generated Node #0,1: 82:[3, 40, 8] Operation: 67-59=8 Moving to Node #0,1 Current State: 82:[3, 40, 8], Operations: ['67-59=8'] Exploring Operation: 8-3=5, Resulting Numbers: [40, 5] Generated Node #0,1,0: 82:[40, 5] Operation: 8-3=5 Exploring Operation: 40/8=5, Resulting Numbers: [3, 5] Generated Node #0,1,1: 82:[3, 5] Operation: 40/8=5 Moving to Node #0,0 Current State: 82:[40, 67, 56], Operations: ['59-3=56'] Exploring Operation: 67-56=11, Resulting Numbers: [40, 11] Generated Node #0,0,0: 82:[40, 11] Operation: 67-56=11 Exploring Operation: 67-40=27, Resulting Numbers: [56, 27] Generated Node #0,0,1: 82:[56, 27] Operation: 67-40=27 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 82:[40, 11], Operations: ['59-3=56', '67-56=11'] Exploring Operation: 40+11=51, Resulting Numbers: [51] 51,82 unequal: No Solution Exploring Operation: 40-11=29, Resulting Numbers: [29] 29,82 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 82:[56, 27], Operations: ['59-3=56', '67-40=27'] Exploring Operation: 56+27=83, Resulting Numbers: [83] 83,82 unequal: No Solution Exploring Operation: 56-27=29, Resulting Numbers: [29] 29,82 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: 82:[40, 5], Operations: ['67-59=8', '8-3=5'] Exploring Operation: 40-5=35, Resulting Numbers: [35] 35,82 unequal: No Solution Exploring Operation: 40+5=45, Resulting Numbers: [45] 45,82 unequal: No Solution Moving to Node #0,1,1 Current State: 82:[3, 5], Operations: ['67-59=8', '40/8=5'] Exploring Operation: 3+5=8, Resulting Numbers: [8] 8,82 unequal: No Solution Exploring Operation: 5-3=2, Resulting Numbers: [2] 2,82 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 10, 58, 9, 73 ]
15
[ "10-9=1", "73-58=15", "1*15=15" ]
Current State: 15:[10, 58, 9, 73], Operations: [] Exploring Operation: 10-9=1, Resulting Numbers: [58, 73, 1] Generated Node #2: [58, 73, 1] from Operation: 10-9=1 Current State: 15:[58, 73, 1], Operations: ['10-9=1'] Exploring Operation: 73-58=15, Resulting Numbers: [1, 15] Generated Node #3: [1, 15] from Operation: 73-58=15 Current State: 15:[1, 15], Operations: ['10-9=1', '73-58=15'] Exploring Operation: 1*15=15, Resulting Numbers: [15] 15,15 equal: Goal Reached
4
Current State: 15:[10, 58, 9, 73], Operations: [] Exploring Operation: 58-10=48, Resulting Numbers: [9, 73, 48] Generated Node #0,0: 15:[9, 73, 48] Operation: 58-10=48 Exploring Operation: 73-58=15, Resulting Numbers: [10, 9, 15] Generated Node #0,1: 15:[10, 9, 15] Operation: 73-58=15 Exploring Operation: 58-9=49, Resulting Numbers: [10, 73, 49] Generated Node #0,2: 15:[10, 73, 49] Operation: 58-9=49 Exploring Operation: 73-10=63, Resulting Numbers: [58, 9, 63] Generated Node #0,3: 15:[58, 9, 63] Operation: 73-10=63 Moving to Node #0,1 Current State: 15:[10, 9, 15], Operations: ['73-58=15'] Exploring Operation: 10+9=19, Resulting Numbers: [15, 19] Generated Node #0,1,0: 15:[15, 19] Operation: 10+9=19 Exploring Operation: 15-10=5, Resulting Numbers: [9, 5] Generated Node #0,1,1: 15:[9, 5] Operation: 15-10=5 Exploring Operation: 10-9=1, Resulting Numbers: [15, 1] Generated Node #0,1,2: 15:[15, 1] Operation: 10-9=1 Exploring Operation: 15-9=6, Resulting Numbers: [10, 6] Generated Node #0,1,3: 15:[10, 6] Operation: 15-9=6 Moving to Node #0,3 Current State: 15:[58, 9, 63], Operations: ['73-10=63'] Exploring Operation: 58-9=49, Resulting Numbers: [63, 49] Generated Node #0,3,0: 15:[63, 49] Operation: 58-9=49 Exploring Operation: 63-58=5, Resulting Numbers: [9, 5] Generated Node #0,3,1: 15:[9, 5] Operation: 63-58=5 Exploring Operation: 63/9=7, Resulting Numbers: [58, 7] Generated Node #0,3,2: 15:[58, 7] Operation: 63/9=7 Exploring Operation: 63-9=54, Resulting Numbers: [58, 54] Generated Node #0,3,3: 15:[58, 54] Operation: 63-9=54 Moving to Node #0,0 Current State: 15:[9, 73, 48], Operations: ['58-10=48'] Exploring Operation: 48-9=39, Resulting Numbers: [73, 39] Generated Node #0,0,0: 15:[73, 39] Operation: 48-9=39 Exploring Operation: 9+73=82, Resulting Numbers: [48, 82] Generated Node #0,0,1: 15:[48, 82] Operation: 9+73=82 Exploring Operation: 73-48=25, Resulting Numbers: [9, 25] Generated Node #0,0,2: 15:[9, 25] Operation: 73-48=25 Exploring Operation: 73-9=64, Resulting Numbers: [48, 64] Generated Node #0,0,3: 15:[48, 64] Operation: 73-9=64 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 15:[9, 25], Operations: ['58-10=48', '73-48=25'] Exploring Operation: 9+25=34, Resulting Numbers: [34] 34,15 unequal: No Solution Exploring Operation: 9*25=225, Resulting Numbers: [225] 225,15 unequal: No Solution Exploring Operation: 25-9=16, Resulting Numbers: [16] 16,15 unequal: No Solution No 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: 15:[73, 39], Operations: ['58-10=48', '48-9=39'] Exploring Operation: 73*39=2847, Resulting Numbers: [2847] 2847,15 unequal: No Solution Exploring Operation: 73+39=112, Resulting Numbers: [112] 112,15 unequal: No Solution Exploring Operation: 73-39=34, Resulting Numbers: [34] 34,15 unequal: No Solution No 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: 15:[48, 64], Operations: ['58-10=48', '73-9=64'] Exploring Operation: 64-48=16, Resulting Numbers: [16] 16,15 unequal: No Solution Exploring Operation: 48*64=3072, Resulting Numbers: [3072] 3072,15 unequal: No Solution Exploring Operation: 48+64=112, Resulting Numbers: [112] 112,15 unequal: No Solution No 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: 15:[48, 82], Operations: ['58-10=48', '9+73=82'] Exploring Operation: 82-48=34, Resulting Numbers: [34] 34,15 unequal: No Solution Exploring Operation: 48*82=3936, Resulting Numbers: [3936] 3936,15 unequal: No Solution Exploring Operation: 48+82=130, Resulting Numbers: [130] 130,15 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: 15:[10, 73, 49], Operations: ['58-9=49'] Exploring Operation: 73-49=24, Resulting Numbers: [10, 24] Generated Node #0,2,0: 15:[10, 24] Operation: 73-49=24 Exploring Operation: 49-10=39, Resulting Numbers: [73, 39] Generated Node #0,2,1: 15:[73, 39] Operation: 49-10=39 Exploring Operation: 73-10=63, Resulting Numbers: [49, 63] Generated Node #0,2,2: 15:[49, 63] Operation: 73-10=63 Exploring Operation: 10+73=83, Resulting Numbers: [49, 83] Generated Node #0,2,3: 15:[49, 83] Operation: 10+73=83 Moving to Node #0,1,2 Current State: 15:[15, 1], Operations: ['73-58=15', '10-9=1'] Exploring Operation: 15*1=15, Resulting Numbers: [15] 15,15 equal: Goal Reached Moving to Node #0 Current State: 15:[10, 58, 9, 73], Operations: [] Exploring Operation: 73-58=15, Resulting Numbers: [10, 9, 15] Generated Node #0,1: 15:[10, 9, 15] Operation: 73-58=15 Moving to Node #0,1 Current State: 15:[10, 9, 15], Operations: ['73-58=15'] Exploring Operation: 10-9=1, Resulting Numbers: [15, 1] Generated Node #0,1,2: 15:[15, 1] Operation: 10-9=1 Moving to Node #0,1,2 Current State: 15:[15, 1], Operations: ['73-58=15', '10-9=1'] Exploring Operation: 15*1=15, Resulting Numbers: [15] 15,15 equal: Goal Reached
0.967882
hs_4
sum_heuristic
[ 50, 73, 90, 23 ]
10
[ "50+73=123", "90+23=113", "123-113=10" ]
Current State: 10:[50, 73, 90, 23], Operations: [] Exploring Operation: 50+73=123, Resulting Numbers: [90, 23, 123] Generated Node #2: [90, 23, 123] from Operation: 50+73=123 Current State: 10:[90, 23, 123], Operations: ['50+73=123'] Exploring Operation: 90+23=113, Resulting Numbers: [123, 113] Generated Node #3: [123, 113] from Operation: 90+23=113 Current State: 10:[123, 113], Operations: ['50+73=123', '90+23=113'] Exploring Operation: 123-113=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
4
Current State: 10:[50, 73, 90, 23], Operations: [] Exploring Operation: 73-50=23, Resulting Numbers: [90, 23, 23] Generated Node #0,0: 10:[90, 23, 23] Operation: 73-50=23 Exploring Operation: 90-73=17, Resulting Numbers: [50, 23, 17] Generated Node #0,1: 10:[50, 23, 17] Operation: 90-73=17 Exploring Operation: 90-50=40, Resulting Numbers: [73, 23, 40] Generated Node #0,2: 10:[73, 23, 40] Operation: 90-50=40 Moving to Node #0,1 Current State: 10:[50, 23, 17], Operations: ['90-73=17'] Exploring Operation: 50-23=27, Resulting Numbers: [17, 27] Generated Node #0,1,0: 10:[17, 27] Operation: 50-23=27 Exploring Operation: 23-17=6, Resulting Numbers: [50, 6] Generated Node #0,1,1: 10:[50, 6] Operation: 23-17=6 Exploring Operation: 50-17=33, Resulting Numbers: [23, 33] Generated Node #0,1,2: 10:[23, 33] Operation: 50-17=33 Moving to Node #0,0 Current State: 10:[90, 23, 23], Operations: ['73-50=23'] Exploring Operation: 23/23=1, Resulting Numbers: [90, 1] Generated Node #0,0,0: 10:[90, 1] Operation: 23/23=1 Exploring Operation: 90-23=67, Resulting Numbers: [23, 67] Generated Node #0,0,1: 10:[23, 67] Operation: 90-23=67 Exploring Operation: 90-23=67, Resulting Numbers: [23, 67] Generated Node #0,0,2: 10:[23, 67] Operation: 90-23=67 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 10:[23, 67], Operations: ['73-50=23', '90-23=67'] Exploring Operation: 23*67=1541, Resulting Numbers: [1541] 1541,10 unequal: No Solution Exploring Operation: 67-23=44, Resulting Numbers: [44] 44,10 unequal: No Solution Exploring Operation: 23+67=90, Resulting Numbers: [90] 90,10 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 10:[23, 67], Operations: ['73-50=23', '90-23=67'] Exploring Operation: 23+67=90, Resulting Numbers: [90] 90,10 unequal: No Solution Exploring Operation: 67-23=44, Resulting Numbers: [44] 44,10 unequal: No Solution Exploring Operation: 23*67=1541, Resulting Numbers: [1541] 1541,10 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 10:[90, 1], Operations: ['73-50=23', '23/23=1'] Exploring Operation: 90*1=90, Resulting Numbers: [90] 90,10 unequal: No Solution Exploring Operation: 90-1=89, Resulting Numbers: [89] 89,10 unequal: No Solution Exploring Operation: 90/1=90, Resulting Numbers: [90] 90,10 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: 10:[73, 23, 40], Operations: ['90-50=40'] Exploring Operation: 73-40=33, Resulting Numbers: [23, 33] Generated Node #0,2,0: 10:[23, 33] Operation: 73-40=33 Exploring Operation: 40-23=17, Resulting Numbers: [73, 17] Generated Node #0,2,1: 10:[73, 17] Operation: 40-23=17 Exploring Operation: 73-23=50, Resulting Numbers: [40, 50] Generated Node #0,2,2: 10:[40, 50] Operation: 73-23=50 Moving to Node #0,1,0 Current State: 10:[17, 27], Operations: ['90-73=17', '50-23=27'] Exploring Operation: 27-17=10, Resulting Numbers: [10] 10,10 equal: Goal Reached Moving to Node #0 Current State: 10:[50, 73, 90, 23], Operations: [] Exploring Operation: 90-73=17, Resulting Numbers: [50, 23, 17] Generated Node #0,1: 10:[50, 23, 17] Operation: 90-73=17 Moving to Node #0,1 Current State: 10:[50, 23, 17], Operations: ['90-73=17'] Exploring Operation: 50-23=27, Resulting Numbers: [17, 27] Generated Node #0,1,0: 10:[17, 27] Operation: 50-23=27 Moving to Node #0,1,0 Current State: 10:[17, 27], Operations: ['90-73=17', '50-23=27'] Exploring Operation: 27-17=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
0.977431
hs_3
mult_heuristic
[ 45, 72, 88, 94 ]
41
[ "94-72=22", "88/22=4", "45-4=41" ]
Current State: 41:[45, 72, 88, 94], Operations: [] Exploring Operation: 94-72=22, Resulting Numbers: [45, 88, 22] Generated Node #2: [45, 88, 22] from Operation: 94-72=22 Current State: 41:[45, 88, 22], Operations: ['94-72=22'] Exploring Operation: 88/22=4, Resulting Numbers: [45, 4] Generated Node #3: [45, 4] from Operation: 88/22=4 Current State: 41:[45, 4], Operations: ['94-72=22', '88/22=4'] Exploring Operation: 45-4=41, Resulting Numbers: [41] 41,41 equal: Goal Reached
4
Current State: 41:[45, 72, 88, 94], Operations: [] Exploring Operation: 94-72=22, Resulting Numbers: [45, 88, 22] Generated Node #0,0: 41:[45, 88, 22] Operation: 94-72=22 Exploring Operation: 94-88=6, Resulting Numbers: [45, 72, 6] Generated Node #0,1: 41:[45, 72, 6] Operation: 94-88=6 Exploring Operation: 88-72=16, Resulting Numbers: [45, 94, 16] Generated Node #0,2: 41:[45, 94, 16] Operation: 88-72=16 Exploring Operation: 88-45=43, Resulting Numbers: [72, 94, 43] Generated Node #0,3: 41:[72, 94, 43] Operation: 88-45=43 Moving to Node #0,0 Current State: 41:[45, 88, 22], Operations: ['94-72=22'] Exploring Operation: 88/22=4, Resulting Numbers: [45, 4] Generated Node #0,0,0: 41:[45, 4] Operation: 88/22=4 Exploring Operation: 45-22=23, Resulting Numbers: [88, 23] Generated Node #0,0,1: 41:[88, 23] Operation: 45-22=23 Exploring Operation: 88-45=43, Resulting Numbers: [22, 43] Generated Node #0,0,2: 41:[22, 43] Operation: 88-45=43 Exploring Operation: 88-22=66, Resulting Numbers: [45, 66] Generated Node #0,0,3: 41:[45, 66] Operation: 88-22=66 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 41:[22, 43], Operations: ['94-72=22', '88-45=43'] Exploring Operation: 22+43=65, Resulting Numbers: [65] 65,41 unequal: No Solution Exploring Operation: 22*43=946, Resulting Numbers: [946] 946,41 unequal: No Solution Exploring Operation: 43-22=21, Resulting Numbers: [21] 21,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 41:[45, 66], Operations: ['94-72=22', '88-22=66'] Exploring Operation: 66-45=21, Resulting Numbers: [21] 21,41 unequal: No Solution Exploring Operation: 45*66=2970, Resulting Numbers: [2970] 2970,41 unequal: No Solution Exploring Operation: 45+66=111, Resulting Numbers: [111] 111,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 41:[45, 4], Operations: ['94-72=22', '88/22=4'] Exploring Operation: 45-4=41, Resulting Numbers: [41] 41,41 equal: Goal Reached Moving to Node #0 Current State: 41:[45, 72, 88, 94], Operations: [] Exploring Operation: 94-72=22, Resulting Numbers: [45, 88, 22] Generated Node #0,0: 41:[45, 88, 22] Operation: 94-72=22 Moving to Node #0,0 Current State: 41:[45, 88, 22], Operations: ['94-72=22'] Exploring Operation: 88/22=4, Resulting Numbers: [45, 4] Generated Node #0,0,0: 41:[45, 4] Operation: 88/22=4 Moving to Node #0,0,0 Current State: 41:[45, 4], Operations: ['94-72=22', '88/22=4'] Exploring Operation: 45-4=41, Resulting Numbers: [41] 41,41 equal: Goal Reached Exit Sub Search at level 1
0.983507
hs_4
mult_heuristic
[ 53, 17, 85, 65 ]
56
[ "53-17=36", "85-65=20", "36+20=56" ]
Current State: 56:[53, 17, 85, 65], Operations: [] Exploring Operation: 53-17=36, Resulting Numbers: [85, 65, 36] Generated Node #2: [85, 65, 36] from Operation: 53-17=36 Current State: 56:[85, 65, 36], Operations: ['53-17=36'] Exploring Operation: 85-65=20, Resulting Numbers: [36, 20] Generated Node #3: [36, 20] from Operation: 85-65=20 Current State: 56:[36, 20], Operations: ['53-17=36', '85-65=20'] Exploring Operation: 36+20=56, Resulting Numbers: [56] 56,56 equal: Goal Reached
4
Current State: 56:[53, 17, 85, 65], Operations: [] Exploring Operation: 85-65=20, Resulting Numbers: [53, 17, 20] Generated Node #0,0: 56:[53, 17, 20] Operation: 85-65=20 Start Sub Search at level 1: Moving to Node #0,0 Current State: 56:[53, 17, 20], Operations: ['85-65=20'] Exploring Operation: 20-17=3, Resulting Numbers: [53, 3] Generated Node #0,0,0: 56:[53, 3] Operation: 20-17=3 Moving to Node #0,0,0 Current State: 56:[53, 3], Operations: ['85-65=20', '20-17=3'] Exploring Operation: 53+3=56, Resulting Numbers: [56] 56,56 equal: Goal Reached Moving to Node #0 Current State: 56:[53, 17, 85, 65], Operations: [] Exploring Operation: 85-65=20, Resulting Numbers: [53, 17, 20] Generated Node #0,0: 56:[53, 17, 20] Operation: 85-65=20 Moving to Node #0,0 Current State: 56:[53, 17, 20], Operations: ['85-65=20'] Exploring Operation: 20-17=3, Resulting Numbers: [53, 3] Generated Node #0,0,0: 56:[53, 3] Operation: 20-17=3 Moving to Node #0,0,0 Current State: 56:[53, 3], Operations: ['85-65=20', '20-17=3'] Exploring Operation: 53+3=56, Resulting Numbers: [56] 56,56 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 47, 30, 58, 2 ]
92
[ "47-30=17", "2*17=34", "58+34=92" ]
Current State: 92:[47, 30, 58, 2], Operations: [] Exploring Operation: 47-30=17, Resulting Numbers: [58, 2, 17] Generated Node #2: [58, 2, 17] from Operation: 47-30=17 Current State: 92:[58, 2, 17], Operations: ['47-30=17'] Exploring Operation: 2*17=34, Resulting Numbers: [58, 34] Generated Node #3: [58, 34] from Operation: 2*17=34 Current State: 92:[58, 34], Operations: ['47-30=17', '2*17=34'] Exploring Operation: 58+34=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
4
Current State: 92:[47, 30, 58, 2], Operations: [] Exploring Operation: 58-30=28, Resulting Numbers: [47, 2, 28] Generated Node #0,0: 92:[47, 2, 28] Operation: 58-30=28 Exploring Operation: 30+58=88, Resulting Numbers: [47, 2, 88] Generated Node #0,1: 92:[47, 2, 88] Operation: 30+58=88 Moving to Node #0,1 Current State: 92:[47, 2, 88], Operations: ['30+58=88'] Exploring Operation: 2+88=90, Resulting Numbers: [47, 90] Generated Node #0,1,0: 92:[47, 90] Operation: 2+88=90 Exploring Operation: 88/2=44, Resulting Numbers: [47, 44] Generated Node #0,1,1: 92:[47, 44] Operation: 88/2=44 Moving to Node #0,0 Current State: 92:[47, 2, 28], Operations: ['58-30=28'] Exploring Operation: 28-2=26, Resulting Numbers: [47, 26] Generated Node #0,0,0: 92:[47, 26] Operation: 28-2=26 Exploring Operation: 47-28=19, Resulting Numbers: [2, 19] Generated Node #0,0,1: 92:[2, 19] Operation: 47-28=19 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 92:[47, 26], Operations: ['58-30=28', '28-2=26'] Exploring Operation: 47-26=21, Resulting Numbers: [21] 21,92 unequal: No Solution Exploring Operation: 47+26=73, Resulting Numbers: [73] 73,92 unequal: No Solution No 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: 92:[2, 19], Operations: ['58-30=28', '47-28=19'] Exploring Operation: 19-2=17, Resulting Numbers: [17] 17,92 unequal: No Solution Exploring Operation: 2+19=21, Resulting Numbers: [21] 21,92 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: 92:[47, 90], Operations: ['30+58=88', '2+88=90'] Exploring Operation: 90-47=43, Resulting Numbers: [43] 43,92 unequal: No Solution Exploring Operation: 47+90=137, Resulting Numbers: [137] 137,92 unequal: No Solution Moving to Node #0,1,1 Current State: 92:[47, 44], Operations: ['30+58=88', '88/2=44'] Exploring Operation: 47-44=3, Resulting Numbers: [3] 3,92 unequal: No Solution Exploring Operation: 47+44=91, Resulting Numbers: [91] 91,92 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 78, 49, 64, 73 ]
10
[ "78+49=127", "64+73=137", "137-127=10" ]
Current State: 10:[78, 49, 64, 73], Operations: [] Exploring Operation: 78+49=127, Resulting Numbers: [64, 73, 127] Generated Node #2: [64, 73, 127] from Operation: 78+49=127 Current State: 10:[64, 73, 127], Operations: ['78+49=127'] Exploring Operation: 64+73=137, Resulting Numbers: [127, 137] Generated Node #3: [127, 137] from Operation: 64+73=137 Current State: 10:[127, 137], Operations: ['78+49=127', '64+73=137'] Exploring Operation: 137-127=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
4
Current State: 10:[78, 49, 64, 73], Operations: [] Exploring Operation: 78-73=5, Resulting Numbers: [49, 64, 5] Generated Node #0,0: 10:[49, 64, 5] Operation: 78-73=5 Exploring Operation: 73-64=9, Resulting Numbers: [78, 49, 9] Generated Node #0,1: 10:[78, 49, 9] Operation: 73-64=9 Exploring Operation: 78-49=29, Resulting Numbers: [64, 73, 29] Generated Node #0,2: 10:[64, 73, 29] Operation: 78-49=29 Exploring Operation: 78-64=14, Resulting Numbers: [49, 73, 14] Generated Node #0,3: 10:[49, 73, 14] Operation: 78-64=14 Exploring Operation: 64-49=15, Resulting Numbers: [78, 73, 15] Generated Node #0,4: 10:[78, 73, 15] Operation: 64-49=15 Start Sub Search at level 1: Moving to Node #0,0 Current State: 10:[49, 64, 5], Operations: ['78-73=5'] Exploring Operation: 64-49=15, Resulting Numbers: [5, 15] Generated Node #0,0,0: 10:[5, 15] Operation: 64-49=15 Exploring Operation: 64+5=69, Resulting Numbers: [49, 69] Generated Node #0,0,1: 10:[49, 69] Operation: 64+5=69 Exploring Operation: 64-5=59, Resulting Numbers: [49, 59] Generated Node #0,0,2: 10:[49, 59] Operation: 64-5=59 Exploring Operation: 49-5=44, Resulting Numbers: [64, 44] Generated Node #0,0,3: 10:[64, 44] Operation: 49-5=44 Exploring Operation: 49+5=54, Resulting Numbers: [64, 54] Generated Node #0,0,4: 10:[64, 54] Operation: 49+5=54 Moving to Node #0,0,0 Current State: 10:[5, 15], Operations: ['78-73=5', '64-49=15'] Exploring Operation: 5+15=20, Resulting Numbers: [20] 20,10 unequal: No Solution Exploring Operation: 5*15=75, Resulting Numbers: [75] 75,10 unequal: No Solution Exploring Operation: 15/5=3, Resulting Numbers: [3] 3,10 unequal: No Solution Exploring Operation: 15-5=10, Resulting Numbers: [10] 10,10 equal: Goal Reached Moving to Node #0 Current State: 10:[78, 49, 64, 73], Operations: [] Exploring Operation: 78-73=5, Resulting Numbers: [49, 64, 5] Generated Node #0,0: 10:[49, 64, 5] Operation: 78-73=5 Moving to Node #0,0 Current State: 10:[49, 64, 5], Operations: ['78-73=5'] Exploring Operation: 64-49=15, Resulting Numbers: [5, 15] Generated Node #0,0,0: 10:[5, 15] Operation: 64-49=15 Moving to Node #0,0,0 Current State: 10:[5, 15], Operations: ['78-73=5', '64-49=15'] Exploring Operation: 15-5=10, Resulting Numbers: [10] 10,10 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_5
mult_heuristic
[ 56, 2, 16, 80 ]
20
[ "56-16=40", "80-40=40", "40/2=20" ]
Current State: 20:[56, 2, 16, 80], Operations: [] Exploring Operation: 56-16=40, Resulting Numbers: [2, 80, 40] Generated Node #2: [2, 80, 40] from Operation: 56-16=40 Current State: 20:[2, 80, 40], Operations: ['56-16=40'] Exploring Operation: 80-40=40, Resulting Numbers: [2, 40] Generated Node #3: [2, 40] from Operation: 80-40=40 Current State: 20:[2, 40], Operations: ['56-16=40', '80-40=40'] Exploring Operation: 40/2=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[56, 2, 16, 80], Operations: [] Exploring Operation: 80-56=24, Resulting Numbers: [2, 16, 24] Generated Node #0,0: 20:[2, 16, 24] Operation: 80-56=24 Exploring Operation: 80/16=5, Resulting Numbers: [56, 2, 5] Generated Node #0,1: 20:[56, 2, 5] Operation: 80/16=5 Start Sub Search at level 1: Moving to Node #0,0 Current State: 20:[2, 16, 24], Operations: ['80-56=24'] Exploring Operation: 24-16=8, Resulting Numbers: [2, 8] Generated Node #0,0,0: 20:[2, 8] Operation: 24-16=8 Exploring Operation: 2+16=18, Resulting Numbers: [24, 18] Generated Node #0,0,1: 20:[24, 18] Operation: 2+16=18 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 20:[2, 8], Operations: ['80-56=24', '24-16=8'] Exploring Operation: 8/2=4, Resulting Numbers: [4] 4,20 unequal: No Solution Exploring Operation: 2+8=10, Resulting Numbers: [10] 10,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 20:[24, 18], Operations: ['80-56=24', '2+16=18'] Exploring Operation: 24+18=42, Resulting Numbers: [42] 42,20 unequal: No Solution Exploring Operation: 24-18=6, Resulting Numbers: [6] 6,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 20:[56, 2, 5], Operations: ['80/16=5'] Exploring Operation: 56/2=28, Resulting Numbers: [5, 28] Generated Node #0,1,0: 20:[5, 28] Operation: 56/2=28 Exploring Operation: 56-5=51, Resulting Numbers: [2, 51] Generated Node #0,1,1: 20:[2, 51] Operation: 56-5=51 Moving to Node #0,1,0 Current State: 20:[5, 28], Operations: ['80/16=5', '56/2=28'] Exploring Operation: 28-5=23, Resulting Numbers: [23] 23,20 unequal: No Solution Exploring Operation: 5+28=33, Resulting Numbers: [33] 33,20 unequal: No Solution Moving to Node #0,1,1 Current State: 20:[2, 51], Operations: ['80/16=5', '56-5=51'] Exploring Operation: 51-2=49, Resulting Numbers: [49] 49,20 unequal: No Solution Exploring Operation: 2+51=53, Resulting Numbers: [53] 53,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 2, 6, 78, 26 ]
38
[ "26-6=20", "2*20=40", "78-40=38" ]
Current State: 38:[2, 6, 78, 26], Operations: [] Exploring Operation: 26-6=20, Resulting Numbers: [2, 78, 20] Generated Node #2: [2, 78, 20] from Operation: 26-6=20 Current State: 38:[2, 78, 20], Operations: ['26-6=20'] Exploring Operation: 2*20=40, Resulting Numbers: [78, 40] Generated Node #3: [78, 40] from Operation: 2*20=40 Current State: 38:[78, 40], Operations: ['26-6=20', '2*20=40'] Exploring Operation: 78-40=38, Resulting Numbers: [38] 38,38 equal: Goal Reached
4
Current State: 38:[2, 6, 78, 26], Operations: [] Exploring Operation: 78/26=3, Resulting Numbers: [2, 6, 3] Generated Node #0,0: 38:[2, 6, 3] Operation: 78/26=3 Exploring Operation: 78/2=39, Resulting Numbers: [6, 26, 39] Generated Node #0,1: 38:[6, 26, 39] Operation: 78/2=39 Moving to Node #0,0 Current State: 38:[2, 6, 3], Operations: ['78/26=3'] Exploring Operation: 6*3=18, Resulting Numbers: [2, 18] Generated Node #0,0,0: 38:[2, 18] Operation: 6*3=18 Exploring Operation: 6/3=2, Resulting Numbers: [2, 2] Generated Node #0,0,1: 38:[2, 2] Operation: 6/3=2 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 38:[2, 2], Operations: ['78/26=3', '6/3=2'] Exploring Operation: 2+2=4, Resulting Numbers: [4] 4,38 unequal: No Solution Exploring Operation: 2/2=1, Resulting Numbers: [1] 1,38 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 38:[2, 18], Operations: ['78/26=3', '6*3=18'] Exploring Operation: 2*18=36, Resulting Numbers: [36] 36,38 unequal: No Solution Exploring Operation: 2+18=20, Resulting Numbers: [20] 20,38 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 38:[6, 26, 39], Operations: ['78/2=39'] Exploring Operation: 6+26=32, Resulting Numbers: [39, 32] Generated Node #0,1,0: 38:[39, 32] Operation: 6+26=32 Exploring Operation: 26-6=20, Resulting Numbers: [39, 20] Generated Node #0,1,1: 38:[39, 20] Operation: 26-6=20 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 38:[39, 20], Operations: ['78/2=39', '26-6=20'] Exploring Operation: 39-20=19, Resulting Numbers: [19] 19,38 unequal: No Solution Exploring Operation: 39+20=59, Resulting Numbers: [59] 59,38 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 38:[39, 32], Operations: ['78/2=39', '6+26=32'] Exploring Operation: 39+32=71, Resulting Numbers: [71] 71,38 unequal: No Solution Exploring Operation: 39-32=7, Resulting Numbers: [7] 7,38 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 14, 92, 86, 48 ]
40
[ "92-14=78", "86-48=38", "78-38=40" ]
Current State: 40:[14, 92, 86, 48], Operations: [] Exploring Operation: 92-14=78, Resulting Numbers: [86, 48, 78] Generated Node #2: [86, 48, 78] from Operation: 92-14=78 Current State: 40:[86, 48, 78], Operations: ['92-14=78'] Exploring Operation: 86-48=38, Resulting Numbers: [78, 38] Generated Node #3: [78, 38] from Operation: 86-48=38 Current State: 40:[78, 38], Operations: ['92-14=78', '86-48=38'] Exploring Operation: 78-38=40, Resulting Numbers: [40] 40,40 equal: Goal Reached
4
Current State: 40:[14, 92, 86, 48], Operations: [] Exploring Operation: 92-86=6, Resulting Numbers: [14, 48, 6] Generated Node #0,0: 40:[14, 48, 6] Operation: 92-86=6 Moving to Node #0,0 Current State: 40:[14, 48, 6], Operations: ['92-86=6'] Exploring Operation: 48/6=8, Resulting Numbers: [14, 8] Generated Node #0,0,0: 40:[14, 8] Operation: 48/6=8 Moving to Node #0,0,0 Current State: 40:[14, 8], Operations: ['92-86=6', '48/6=8'] Exploring Operation: 14-8=6, Resulting Numbers: [6] 6,40 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 50, 7, 96, 50 ]
28
[ "50+96=146", "50+146=196", "196/7=28" ]
Current State: 28:[50, 7, 96, 50], Operations: [] Exploring Operation: 50+96=146, Resulting Numbers: [7, 146] Generated Node #2: [7, 146] from Operation: 50+96=146 Current State: 28:[7, 146], Operations: ['50+96=146'] Exploring Operation: 50+146=196, Resulting Numbers: [7, 196] Generated Node #3: [7, 196] from Operation: 50+146=196 Current State: 28:[7, 196], Operations: ['50+96=146', '50+146=196'] Exploring Operation: 196/7=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
4
Current State: 28:[50, 7, 96, 50], Operations: [] Exploring Operation: 50/50=1, Resulting Numbers: [7, 96, 1] Generated Node #0,0: 28:[7, 96, 1] Operation: 50/50=1 Exploring Operation: 96-50=46, Resulting Numbers: [7, 50, 46] Generated Node #0,1: 28:[7, 50, 46] Operation: 96-50=46 Exploring Operation: 50-50=0, Resulting Numbers: [7, 96, 0] Generated Node #0,2: 28:[7, 96, 0] Operation: 50-50=0 Exploring Operation: 96-50=46, Resulting Numbers: [50, 7, 46] Generated Node #0,3: 28:[50, 7, 46] Operation: 96-50=46 Start Sub Search at level 1: Moving to Node #0,1 Current State: 28:[7, 50, 46], Operations: ['96-50=46'] Exploring Operation: 50-7=43, Resulting Numbers: [46, 43] Generated Node #0,1,0: 28:[46, 43] Operation: 50-7=43 Exploring Operation: 50-46=4, Resulting Numbers: [7, 4] Generated Node #0,1,1: 28:[7, 4] Operation: 50-46=4 Exploring Operation: 7+50=57, Resulting Numbers: [46, 57] Generated Node #0,1,2: 28:[46, 57] Operation: 7+50=57 Exploring Operation: 46-7=39, Resulting Numbers: [50, 39] Generated Node #0,1,3: 28:[50, 39] Operation: 46-7=39 Moving to Node #0,1,1 Current State: 28:[7, 4], Operations: ['96-50=46', '50-46=4'] Exploring Operation: 7+4=11, Resulting Numbers: [11] 11,28 unequal: No Solution Exploring Operation: 7*4=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Moving to Node #0 Current State: 28:[50, 7, 96, 50], Operations: [] Exploring Operation: 96-50=46, Resulting Numbers: [7, 50, 46] Generated Node #0,1: 28:[7, 50, 46] Operation: 96-50=46 Moving to Node #0,1 Current State: 28:[7, 50, 46], Operations: ['96-50=46'] Exploring Operation: 50-46=4, Resulting Numbers: [7, 4] Generated Node #0,1,1: 28:[7, 4] Operation: 50-46=4 Moving to Node #0,1,1 Current State: 28:[7, 4], Operations: ['96-50=46', '50-46=4'] Exploring Operation: 7*4=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_4
sum_heuristic
[ 68, 97, 99, 43 ]
85
[ "97-68=29", "99-43=56", "29+56=85" ]
Current State: 85:[68, 97, 99, 43], Operations: [] Exploring Operation: 97-68=29, Resulting Numbers: [99, 43, 29] Generated Node #2: [99, 43, 29] from Operation: 97-68=29 Current State: 85:[99, 43, 29], Operations: ['97-68=29'] Exploring Operation: 99-43=56, Resulting Numbers: [29, 56] Generated Node #3: [29, 56] from Operation: 99-43=56 Current State: 85:[29, 56], Operations: ['97-68=29', '99-43=56'] Exploring Operation: 29+56=85, Resulting Numbers: [85] 85,85 equal: Goal Reached
4
Current State: 85:[68, 97, 99, 43], Operations: [] Exploring Operation: 97-68=29, Resulting Numbers: [99, 43, 29] Generated Node #0,0: 85:[99, 43, 29] Operation: 97-68=29 Exploring Operation: 68-43=25, Resulting Numbers: [97, 99, 25] Generated Node #0,1: 85:[97, 99, 25] Operation: 68-43=25 Exploring Operation: 99-97=2, Resulting Numbers: [68, 43, 2] Generated Node #0,2: 85:[68, 43, 2] Operation: 99-97=2 Exploring Operation: 99-68=31, Resulting Numbers: [97, 43, 31] Generated Node #0,3: 85:[97, 43, 31] Operation: 99-68=31 Moving to Node #0,1 Current State: 85:[97, 99, 25], Operations: ['68-43=25'] Exploring Operation: 99-97=2, Resulting Numbers: [25, 2] Generated Node #0,1,0: 85:[25, 2] Operation: 99-97=2 Exploring Operation: 97+25=122, Resulting Numbers: [99, 122] Generated Node #0,1,1: 85:[99, 122] Operation: 97+25=122 Exploring Operation: 97-25=72, Resulting Numbers: [99, 72] Generated Node #0,1,2: 85:[99, 72] Operation: 97-25=72 Exploring Operation: 99-25=74, Resulting Numbers: [97, 74] Generated Node #0,1,3: 85:[97, 74] Operation: 99-25=74 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 85:[25, 2], Operations: ['68-43=25', '99-97=2'] Exploring Operation: 25*2=50, Resulting Numbers: [50] 50,85 unequal: No Solution Exploring Operation: 25+2=27, Resulting Numbers: [27] 27,85 unequal: No Solution Exploring Operation: 25-2=23, Resulting Numbers: [23] 23,85 unequal: No Solution No 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: 85:[97, 74], Operations: ['68-43=25', '99-25=74'] Exploring Operation: 97*74=7178, Resulting Numbers: [7178] 7178,85 unequal: No Solution Exploring Operation: 97-74=23, Resulting Numbers: [23] 23,85 unequal: No Solution Exploring Operation: 97+74=171, Resulting Numbers: [171] 171,85 unequal: No Solution No 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: 85:[99, 72], Operations: ['68-43=25', '97-25=72'] Exploring Operation: 99*72=7128, Resulting Numbers: [7128] 7128,85 unequal: No Solution Exploring Operation: 99+72=171, Resulting Numbers: [171] 171,85 unequal: No Solution Exploring Operation: 99-72=27, Resulting Numbers: [27] 27,85 unequal: No Solution No 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: 85:[99, 122], Operations: ['68-43=25', '97+25=122'] Exploring Operation: 99*122=12078, Resulting Numbers: [12078] 12078,85 unequal: No Solution Exploring Operation: 99+122=221, Resulting Numbers: [221] 221,85 unequal: No Solution Exploring Operation: 122-99=23, Resulting Numbers: [23] 23,85 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: 85:[68, 43, 2], Operations: ['99-97=2'] Exploring Operation: 68+2=70, Resulting Numbers: [43, 70] Generated Node #0,2,0: 85:[43, 70] Operation: 68+2=70 Exploring Operation: 68+43=111, Resulting Numbers: [2, 111] Generated Node #0,2,1: 85:[2, 111] Operation: 68+43=111 Exploring Operation: 43*2=86, Resulting Numbers: [68, 86] Generated Node #0,2,2: 85:[68, 86] Operation: 43*2=86 Exploring Operation: 68-43=25, Resulting Numbers: [2, 25] Generated Node #0,2,3: 85:[2, 25] Operation: 68-43=25 Moving to Node #0,3 Current State: 85:[97, 43, 31], Operations: ['99-68=31'] Exploring Operation: 43-31=12, Resulting Numbers: [97, 12] Generated Node #0,3,0: 85:[97, 12] Operation: 43-31=12 Exploring Operation: 97-43=54, Resulting Numbers: [31, 54] Generated Node #0,3,1: 85:[31, 54] Operation: 97-43=54 Exploring Operation: 43+31=74, Resulting Numbers: [97, 74] Generated Node #0,3,2: 85:[97, 74] Operation: 43+31=74 Exploring Operation: 97-31=66, Resulting Numbers: [43, 66] Generated Node #0,3,3: 85:[43, 66] Operation: 97-31=66 Moving to Node #0,0 Current State: 85:[99, 43, 29], Operations: ['97-68=29'] Exploring Operation: 43+29=72, Resulting Numbers: [99, 72] Generated Node #0,0,0: 85:[99, 72] Operation: 43+29=72 Exploring Operation: 43-29=14, Resulting Numbers: [99, 14] Generated Node #0,0,1: 85:[99, 14] Operation: 43-29=14 Exploring Operation: 99-29=70, Resulting Numbers: [43, 70] Generated Node #0,0,2: 85:[43, 70] Operation: 99-29=70 Exploring Operation: 99-43=56, Resulting Numbers: [29, 56] Generated Node #0,0,3: 85:[29, 56] Operation: 99-43=56 Moving to Node #0,2,3 Current State: 85:[2, 25], Operations: ['99-97=2', '68-43=25'] Exploring Operation: 25-2=23, Resulting Numbers: [23] 23,85 unequal: No Solution Exploring Operation: 2*25=50, Resulting Numbers: [50] 50,85 unequal: No Solution Exploring Operation: 2+25=27, Resulting Numbers: [27] 27,85 unequal: No Solution Moving to Node #0,3,0 Current State: 85:[97, 12], Operations: ['99-68=31', '43-31=12'] Exploring Operation: 97+12=109, Resulting Numbers: [109] 109,85 unequal: No Solution Exploring Operation: 97-12=85, Resulting Numbers: [85] 85,85 equal: Goal Reached Moving to Node #0 Current State: 85:[68, 97, 99, 43], Operations: [] Exploring Operation: 99-68=31, Resulting Numbers: [97, 43, 31] Generated Node #0,3: 85:[97, 43, 31] Operation: 99-68=31 Moving to Node #0,3 Current State: 85:[97, 43, 31], Operations: ['99-68=31'] Exploring Operation: 43-31=12, Resulting Numbers: [97, 12] Generated Node #0,3,0: 85:[97, 12] Operation: 43-31=12 Moving to Node #0,3,0 Current State: 85:[97, 12], Operations: ['99-68=31', '43-31=12'] Exploring Operation: 97-12=85, Resulting Numbers: [85] 85,85 equal: Goal Reached
0.96441
hs_4
mult_heuristic
[ 36, 16, 10, 60 ]
64
[ "36+60=96", "16*10=160", "160-96=64" ]
Current State: 64:[36, 16, 10, 60], Operations: [] Exploring Operation: 36+60=96, Resulting Numbers: [16, 10, 96] Generated Node #2: [16, 10, 96] from Operation: 36+60=96 Current State: 64:[16, 10, 96], Operations: ['36+60=96'] Exploring Operation: 16*10=160, Resulting Numbers: [96, 160] Generated Node #3: [96, 160] from Operation: 16*10=160 Current State: 64:[96, 160], Operations: ['36+60=96', '16*10=160'] Exploring Operation: 160-96=64, Resulting Numbers: [64] 64,64 equal: Goal Reached
4
Current State: 64:[36, 16, 10, 60], Operations: [] Exploring Operation: 36-10=26, Resulting Numbers: [16, 60, 26] Generated Node #0,0: 64:[16, 60, 26] Operation: 36-10=26 Exploring Operation: 60/10=6, Resulting Numbers: [36, 16, 6] Generated Node #0,1: 64:[36, 16, 6] Operation: 60/10=6 Exploring Operation: 36-16=20, Resulting Numbers: [10, 60, 20] Generated Node #0,2: 64:[10, 60, 20] Operation: 36-16=20 Start Sub Search at level 1: Moving to Node #0,1 Current State: 64:[36, 16, 6], Operations: ['60/10=6'] Exploring Operation: 36/6=6, Resulting Numbers: [16, 6] Generated Node #0,1,0: 64:[16, 6] Operation: 36/6=6 Exploring Operation: 36-6=30, Resulting Numbers: [16, 30] Generated Node #0,1,1: 64:[16, 30] Operation: 36-6=30 Exploring Operation: 36-16=20, Resulting Numbers: [6, 20] Generated Node #0,1,2: 64:[6, 20] Operation: 36-16=20 Moving to Node #0,1,0 Current State: 64:[16, 6], Operations: ['60/10=6', '36/6=6'] Exploring Operation: 16+6=22, Resulting Numbers: [22] 22,64 unequal: No Solution Exploring Operation: 16*6=96, Resulting Numbers: [96] 96,64 unequal: No Solution Exploring Operation: 16-6=10, Resulting Numbers: [10] 10,64 unequal: No Solution Moving to Node #0,1,1 Current State: 64:[16, 30], Operations: ['60/10=6', '36-6=30'] Exploring Operation: 16*30=480, Resulting Numbers: [480] 480,64 unequal: No Solution Exploring Operation: 16+30=46, Resulting Numbers: [46] 46,64 unequal: No Solution Exploring Operation: 30-16=14, Resulting Numbers: [14] 14,64 unequal: No Solution Moving to Node #0,1,2 Current State: 64:[6, 20], Operations: ['60/10=6', '36-16=20'] Exploring Operation: 6*20=120, Resulting Numbers: [120] 120,64 unequal: No Solution Exploring Operation: 20-6=14, Resulting Numbers: [14] 14,64 unequal: No Solution Exploring Operation: 6+20=26, Resulting Numbers: [26] 26,64 unequal: No Solution No 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: 64:[16, 60, 26], Operations: ['36-10=26'] Exploring Operation: 26-16=10, Resulting Numbers: [60, 10] Generated Node #0,0,0: 64:[60, 10] Operation: 26-16=10 Exploring Operation: 60-26=34, Resulting Numbers: [16, 34] Generated Node #0,0,1: 64:[16, 34] Operation: 60-26=34 Exploring Operation: 16+26=42, Resulting Numbers: [60, 42] Generated Node #0,0,2: 64:[60, 42] Operation: 16+26=42 Moving to Node #0,0,1 Current State: 64:[16, 34], Operations: ['36-10=26', '60-26=34'] Exploring Operation: 16*34=544, Resulting Numbers: [544] 544,64 unequal: No Solution Exploring Operation: 34-16=18, Resulting Numbers: [18] 18,64 unequal: No Solution Exploring Operation: 16+34=50, Resulting Numbers: [50] 50,64 unequal: No Solution Moving to Node #0,0,0 Current State: 64:[60, 10], Operations: ['36-10=26', '26-16=10'] Exploring Operation: 60-10=50, Resulting Numbers: [50] 50,64 unequal: No Solution Exploring Operation: 60+10=70, Resulting Numbers: [70] 70,64 unequal: No Solution Exploring Operation: 60/10=6, Resulting Numbers: [6] 6,64 unequal: No Solution Moving to Node #0,0,2 Current State: 64:[60, 42], Operations: ['36-10=26', '16+26=42'] Exploring Operation: 60+42=102, Resulting Numbers: [102] 102,64 unequal: No Solution Exploring Operation: 60*42=2520, Resulting Numbers: [2520] 2520,64 unequal: No Solution Exploring Operation: 60-42=18, Resulting Numbers: [18] 18,64 unequal: No Solution No 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: 64:[10, 60, 20], Operations: ['36-16=20'] Exploring Operation: 60/10=6, Resulting Numbers: [20, 6] Generated Node #0,2,0: 64:[20, 6] Operation: 60/10=6 Exploring Operation: 60/20=3, Resulting Numbers: [10, 3] Generated Node #0,2,1: 64:[10, 3] Operation: 60/20=3 Exploring Operation: 20/10=2, Resulting Numbers: [60, 2] Generated Node #0,2,2: 64:[60, 2] Operation: 20/10=2 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 64:[10, 3], Operations: ['36-16=20', '60/20=3'] Exploring Operation: 10-3=7, Resulting Numbers: [7] 7,64 unequal: No Solution Exploring Operation: 10*3=30, Resulting Numbers: [30] 30,64 unequal: No Solution Exploring Operation: 10+3=13, Resulting Numbers: [13] 13,64 unequal: No Solution No 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: 64:[60, 2], Operations: ['36-16=20', '20/10=2'] Exploring Operation: 60/2=30, Resulting Numbers: [30] 30,64 unequal: No Solution Exploring Operation: 60-2=58, Resulting Numbers: [58] 58,64 unequal: No Solution Exploring Operation: 60+2=62, Resulting Numbers: [62] 62,64 unequal: No Solution No 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: 64:[20, 6], Operations: ['36-16=20', '60/10=6'] Exploring Operation: 20+6=26, Resulting Numbers: [26] 26,64 unequal: No Solution Exploring Operation: 20-6=14, Resulting Numbers: [14] 14,64 unequal: No Solution Exploring Operation: 20*6=120, Resulting Numbers: [120] 120,64 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
[ 14, 62, 56, 9 ]
68
[ "62-56=6", "9*6=54", "14+54=68" ]
Current State: 68:[14, 62, 56, 9], Operations: [] Exploring Operation: 62-56=6, Resulting Numbers: [14, 9, 6] Generated Node #2: [14, 9, 6] from Operation: 62-56=6 Current State: 68:[14, 9, 6], Operations: ['62-56=6'] Exploring Operation: 9*6=54, Resulting Numbers: [14, 54] Generated Node #3: [14, 54] from Operation: 9*6=54 Current State: 68:[14, 54], Operations: ['62-56=6', '9*6=54'] Exploring Operation: 14+54=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
4
Current State: 68:[14, 62, 56, 9], Operations: [] Exploring Operation: 56+9=65, Resulting Numbers: [14, 62, 65] Generated Node #0,0: 68:[14, 62, 65] Operation: 56+9=65 Exploring Operation: 56/14=4, Resulting Numbers: [62, 9, 4] Generated Node #0,1: 68:[62, 9, 4] Operation: 56/14=4 Exploring Operation: 62-56=6, Resulting Numbers: [14, 9, 6] Generated Node #0,2: 68:[14, 9, 6] Operation: 62-56=6 Moving to Node #0,2 Current State: 68:[14, 9, 6], Operations: ['62-56=6'] Exploring Operation: 14-9=5, Resulting Numbers: [6, 5] Generated Node #0,2,0: 68:[6, 5] Operation: 14-9=5 Exploring Operation: 9-6=3, Resulting Numbers: [14, 3] Generated Node #0,2,1: 68:[14, 3] Operation: 9-6=3 Exploring Operation: 9+6=15, Resulting Numbers: [14, 15] Generated Node #0,2,2: 68:[14, 15] Operation: 9+6=15 Moving to Node #0,1 Current State: 68:[62, 9, 4], Operations: ['56/14=4'] Exploring Operation: 62+9=71, Resulting Numbers: [4, 71] Generated Node #0,1,0: 68:[4, 71] Operation: 62+9=71 Exploring Operation: 62+4=66, Resulting Numbers: [9, 66] Generated Node #0,1,1: 68:[9, 66] Operation: 62+4=66 Exploring Operation: 9-4=5, Resulting Numbers: [62, 5] Generated Node #0,1,2: 68:[62, 5] Operation: 9-4=5 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 68:[4, 71], Operations: ['56/14=4', '62+9=71'] Exploring Operation: 71-4=67, Resulting Numbers: [67] 67,68 unequal: No Solution Exploring Operation: 4+71=75, Resulting Numbers: [75] 75,68 unequal: No Solution Exploring Operation: 4*71=284, Resulting Numbers: [284] 284,68 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 68:[9, 66], Operations: ['56/14=4', '62+4=66'] Exploring Operation: 9+66=75, Resulting Numbers: [75] 75,68 unequal: No Solution Exploring Operation: 9*66=594, Resulting Numbers: [594] 594,68 unequal: No Solution Exploring Operation: 66-9=57, Resulting Numbers: [57] 57,68 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 68:[62, 5], Operations: ['56/14=4', '9-4=5'] Exploring Operation: 62-5=57, Resulting Numbers: [57] 57,68 unequal: No Solution Exploring Operation: 62+5=67, Resulting Numbers: [67] 67,68 unequal: No Solution Exploring Operation: 62*5=310, Resulting Numbers: [310] 310,68 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: 68:[14, 62, 65], Operations: ['56+9=65'] Exploring Operation: 14+62=76, Resulting Numbers: [65, 76] Generated Node #0,0,0: 68:[65, 76] Operation: 14+62=76 Exploring Operation: 65-62=3, Resulting Numbers: [14, 3] Generated Node #0,0,1: 68:[14, 3] Operation: 65-62=3 Exploring Operation: 62-14=48, Resulting Numbers: [65, 48] Generated Node #0,0,2: 68:[65, 48] Operation: 62-14=48 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 68:[14, 3], Operations: ['56+9=65', '65-62=3'] Exploring Operation: 14+3=17, Resulting Numbers: [17] 17,68 unequal: No Solution Exploring Operation: 14*3=42, Resulting Numbers: [42] 42,68 unequal: No Solution Exploring Operation: 14-3=11, Resulting Numbers: [11] 11,68 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 68:[65, 76], Operations: ['56+9=65', '14+62=76'] Exploring Operation: 65+76=141, Resulting Numbers: [141] 141,68 unequal: No Solution Exploring Operation: 65*76=4940, Resulting Numbers: [4940] 4940,68 unequal: No Solution Exploring Operation: 76-65=11, Resulting Numbers: [11] 11,68 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 68:[65, 48], Operations: ['56+9=65', '62-14=48'] Exploring Operation: 65+48=113, Resulting Numbers: [113] 113,68 unequal: No Solution Exploring Operation: 65*48=3120, Resulting Numbers: [3120] 3120,68 unequal: No Solution Exploring Operation: 65-48=17, Resulting Numbers: [17] 17,68 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2,0 Current State: 68:[6, 5], Operations: ['62-56=6', '14-9=5'] Exploring Operation: 6*5=30, Resulting Numbers: [30] 30,68 unequal: No Solution Exploring Operation: 6-5=1, Resulting Numbers: [1] 1,68 unequal: No Solution Exploring Operation: 6+5=11, Resulting Numbers: [11] 11,68 unequal: No Solution Moving to Node #0,2,1 Current State: 68:[14, 3], Operations: ['62-56=6', '9-6=3'] Exploring Operation: 14-3=11, Resulting Numbers: [11] 11,68 unequal: No Solution Exploring Operation: 14+3=17, Resulting Numbers: [17] 17,68 unequal: No Solution Exploring Operation: 14*3=42, Resulting Numbers: [42] 42,68 unequal: No Solution Moving to Node #0,2,2 Current State: 68:[14, 15], Operations: ['62-56=6', '9+6=15'] Exploring Operation: 14*15=210, Resulting Numbers: [210] 210,68 unequal: No Solution Exploring Operation: 15-14=1, Resulting Numbers: [1] 1,68 unequal: No Solution Exploring Operation: 14+15=29, Resulting Numbers: [29] 29,68 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 14, 69, 4, 43 ]
44
[ "14+69=83", "43-4=39", "83-39=44" ]
Current State: 44:[14, 69, 4, 43], Operations: [] Exploring Operation: 14+69=83, Resulting Numbers: [4, 43, 83] Generated Node #2: [4, 43, 83] from Operation: 14+69=83 Current State: 44:[4, 43, 83], Operations: ['14+69=83'] Exploring Operation: 43-4=39, Resulting Numbers: [83, 39] Generated Node #3: [83, 39] from Operation: 43-4=39 Current State: 44:[83, 39], Operations: ['14+69=83', '43-4=39'] Exploring Operation: 83-39=44, Resulting Numbers: [44] 44,44 equal: Goal Reached
4
Current State: 44:[14, 69, 4, 43], Operations: [] Exploring Operation: 69-14=55, Resulting Numbers: [4, 43, 55] Generated Node #0,0: 44:[4, 43, 55] Operation: 69-14=55 Exploring Operation: 14+4=18, Resulting Numbers: [69, 43, 18] Generated Node #0,1: 44:[69, 43, 18] Operation: 14+4=18 Exploring Operation: 14-4=10, Resulting Numbers: [69, 43, 10] Generated Node #0,2: 44:[69, 43, 10] Operation: 14-4=10 Exploring Operation: 69-43=26, Resulting Numbers: [14, 4, 26] Generated Node #0,3: 44:[14, 4, 26] Operation: 69-43=26 Exploring Operation: 69-4=65, Resulting Numbers: [14, 43, 65] Generated Node #0,4: 44:[14, 43, 65] Operation: 69-4=65 Start Sub Search at level 1: Moving to Node #0,3 Current State: 44:[14, 4, 26], Operations: ['69-43=26'] Exploring Operation: 26-4=22, Resulting Numbers: [14, 22] Generated Node #0,3,0: 44:[14, 22] Operation: 26-4=22 Exploring Operation: 26-14=12, Resulting Numbers: [4, 12] Generated Node #0,3,1: 44:[4, 12] Operation: 26-14=12 Exploring Operation: 14-4=10, Resulting Numbers: [26, 10] Generated Node #0,3,2: 44:[26, 10] Operation: 14-4=10 Exploring Operation: 14+4=18, Resulting Numbers: [26, 18] Generated Node #0,3,3: 44:[26, 18] Operation: 14+4=18 Exploring Operation: 14+26=40, Resulting Numbers: [4, 40] Generated Node #0,3,4: 44:[4, 40] Operation: 14+26=40 Moving to Node #0,3,1 Current State: 44:[4, 12], Operations: ['69-43=26', '26-14=12'] Exploring Operation: 12-4=8, Resulting Numbers: [8] 8,44 unequal: No Solution Exploring Operation: 12/4=3, Resulting Numbers: [3] 3,44 unequal: No Solution Exploring Operation: 4+12=16, Resulting Numbers: [16] 16,44 unequal: No Solution Exploring Operation: 4*12=48, Resulting Numbers: [48] 48,44 unequal: No Solution Moving to Node #0,3,0 Current State: 44:[14, 22], Operations: ['69-43=26', '26-4=22'] Exploring Operation: 14+22=36, Resulting Numbers: [36] 36,44 unequal: No Solution Exploring Operation: 22-14=8, Resulting Numbers: [8] 8,44 unequal: No Solution Exploring Operation: 14*22=308, Resulting Numbers: [308] 308,44 unequal: No Solution Moving to Node #0,3,4 Current State: 44:[4, 40], Operations: ['69-43=26', '14+26=40'] Exploring Operation: 4+40=44, Resulting Numbers: [44] 44,44 equal: Goal Reached Moving to Node #0 Current State: 44:[14, 69, 4, 43], Operations: [] Exploring Operation: 69-43=26, Resulting Numbers: [14, 4, 26] Generated Node #0,3: 44:[14, 4, 26] Operation: 69-43=26 Moving to Node #0,3 Current State: 44:[14, 4, 26], Operations: ['69-43=26'] Exploring Operation: 14+26=40, Resulting Numbers: [4, 40] Generated Node #0,3,4: 44:[4, 40] Operation: 14+26=40 Moving to Node #0,3,4 Current State: 44:[4, 40], Operations: ['69-43=26', '14+26=40'] Exploring Operation: 4+40=44, Resulting Numbers: [44] 44,44 equal: Goal Reached Exit Sub Search at level 1
0.980903
hs_5
sum_heuristic
[ 65, 23, 34, 79 ]
68
[ "23+79=102", "102/34=3", "65+3=68" ]
Current State: 68:[65, 23, 34, 79], Operations: [] Exploring Operation: 23+79=102, Resulting Numbers: [65, 34, 102] Generated Node #2: [65, 34, 102] from Operation: 23+79=102 Current State: 68:[65, 34, 102], Operations: ['23+79=102'] Exploring Operation: 102/34=3, Resulting Numbers: [65, 3] Generated Node #3: [65, 3] from Operation: 102/34=3 Current State: 68:[65, 3], Operations: ['23+79=102', '102/34=3'] Exploring Operation: 65+3=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
4
Current State: 68:[65, 23, 34, 79], Operations: [] Exploring Operation: 65-34=31, Resulting Numbers: [23, 79, 31] Generated Node #0,0: 68:[23, 79, 31] Operation: 65-34=31 Exploring Operation: 34-23=11, Resulting Numbers: [65, 79, 11] Generated Node #0,1: 68:[65, 79, 11] Operation: 34-23=11 Exploring Operation: 79-23=56, Resulting Numbers: [65, 34, 56] Generated Node #0,2: 68:[65, 34, 56] Operation: 79-23=56 Exploring Operation: 79-65=14, Resulting Numbers: [23, 34, 14] Generated Node #0,3: 68:[23, 34, 14] Operation: 79-65=14 Exploring Operation: 65-23=42, Resulting Numbers: [34, 79, 42] Generated Node #0,4: 68:[34, 79, 42] Operation: 65-23=42 Moving to Node #0,3 Current State: 68:[23, 34, 14], Operations: ['79-65=14'] Exploring Operation: 23-14=9, Resulting Numbers: [34, 9] Generated Node #0,3,0: 68:[34, 9] Operation: 23-14=9 Exploring Operation: 34-14=20, Resulting Numbers: [23, 20] Generated Node #0,3,1: 68:[23, 20] Operation: 34-14=20 Exploring Operation: 23+14=37, Resulting Numbers: [34, 37] Generated Node #0,3,2: 68:[34, 37] Operation: 23+14=37 Exploring Operation: 23+34=57, Resulting Numbers: [14, 57] Generated Node #0,3,3: 68:[14, 57] Operation: 23+34=57 Exploring Operation: 34-23=11, Resulting Numbers: [14, 11] Generated Node #0,3,4: 68:[14, 11] Operation: 34-23=11 Moving to Node #0,2 Current State: 68:[65, 34, 56], Operations: ['79-23=56'] Exploring Operation: 34+56=90, Resulting Numbers: [65, 90] Generated Node #0,2,0: 68:[65, 90] Operation: 34+56=90 Exploring Operation: 56-34=22, Resulting Numbers: [65, 22] Generated Node #0,2,1: 68:[65, 22] Operation: 56-34=22 Exploring Operation: 65-34=31, Resulting Numbers: [56, 31] Generated Node #0,2,2: 68:[56, 31] Operation: 65-34=31 Exploring Operation: 65-56=9, Resulting Numbers: [34, 9] Generated Node #0,2,3: 68:[34, 9] Operation: 65-56=9 Exploring Operation: 65+34=99, Resulting Numbers: [56, 99] Generated Node #0,2,4: 68:[56, 99] Operation: 65+34=99 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 68:[34, 9], Operations: ['79-23=56', '65-56=9'] Exploring Operation: 34+9=43, Resulting Numbers: [43] 43,68 unequal: No Solution Exploring Operation: 34-9=25, Resulting Numbers: [25] 25,68 unequal: No Solution Exploring Operation: 34*9=306, Resulting Numbers: [306] 306,68 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 68:[65, 22], Operations: ['79-23=56', '56-34=22'] Exploring Operation: 65+22=87, Resulting Numbers: [87] 87,68 unequal: No Solution Exploring Operation: 65-22=43, Resulting Numbers: [43] 43,68 unequal: No Solution Exploring Operation: 65*22=1430, Resulting Numbers: [1430] 1430,68 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 68:[56, 31], Operations: ['79-23=56', '65-34=31'] Exploring Operation: 56*31=1736, Resulting Numbers: [1736] 1736,68 unequal: No Solution Exploring Operation: 56-31=25, Resulting Numbers: [25] 25,68 unequal: No Solution Exploring Operation: 56+31=87, Resulting Numbers: [87] 87,68 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 68:[65, 90], Operations: ['79-23=56', '34+56=90'] Exploring Operation: 65*90=5850, Resulting Numbers: [5850] 5850,68 unequal: No Solution Exploring Operation: 90-65=25, Resulting Numbers: [25] 25,68 unequal: No Solution Exploring Operation: 65+90=155, Resulting Numbers: [155] 155,68 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 68:[56, 99], Operations: ['79-23=56', '65+34=99'] Exploring Operation: 56*99=5544, Resulting Numbers: [5544] 5544,68 unequal: No Solution Exploring Operation: 99-56=43, Resulting Numbers: [43] 43,68 unequal: No Solution Exploring Operation: 56+99=155, Resulting Numbers: [155] 155,68 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: 68:[34, 79, 42], Operations: ['65-23=42'] Exploring Operation: 79-34=45, Resulting Numbers: [42, 45] Generated Node #0,4,0: 68:[42, 45] Operation: 79-34=45 Exploring Operation: 79-42=37, Resulting Numbers: [34, 37] Generated Node #0,4,1: 68:[34, 37] Operation: 79-42=37 Exploring Operation: 34+79=113, Resulting Numbers: [42, 113] Generated Node #0,4,2: 68:[42, 113] Operation: 34+79=113 Exploring Operation: 34+42=76, Resulting Numbers: [79, 76] Generated Node #0,4,3: 68:[79, 76] Operation: 34+42=76 Exploring Operation: 42-34=8, Resulting Numbers: [79, 8] Generated Node #0,4,4: 68:[79, 8] Operation: 42-34=8 Moving to Node #0,0 Current State: 68:[23, 79, 31], Operations: ['65-34=31'] Exploring Operation: 23+79=102, Resulting Numbers: [31, 102] Generated Node #0,0,0: 68:[31, 102] Operation: 23+79=102 Exploring Operation: 31-23=8, Resulting Numbers: [79, 8] Generated Node #0,0,1: 68:[79, 8] Operation: 31-23=8 Exploring Operation: 79-23=56, Resulting Numbers: [31, 56] Generated Node #0,0,2: 68:[31, 56] Operation: 79-23=56 Exploring Operation: 79-31=48, Resulting Numbers: [23, 48] Generated Node #0,0,3: 68:[23, 48] Operation: 79-31=48 Exploring Operation: 23+31=54, Resulting Numbers: [79, 54] Generated Node #0,0,4: 68:[79, 54] Operation: 23+31=54 Moving to Node #0,1 Current State: 68:[65, 79, 11], Operations: ['34-23=11'] Exploring Operation: 79-65=14, Resulting Numbers: [11, 14] Generated Node #0,1,0: 68:[11, 14] Operation: 79-65=14 Exploring Operation: 79+11=90, Resulting Numbers: [65, 90] Generated Node #0,1,1: 68:[65, 90] Operation: 79+11=90 Exploring Operation: 65-11=54, Resulting Numbers: [79, 54] Generated Node #0,1,2: 68:[79, 54] Operation: 65-11=54 Exploring Operation: 79-11=68, Resulting Numbers: [65, 68] Generated Node #0,1,3: 68:[65, 68] Operation: 79-11=68 Exploring Operation: 65+11=76, Resulting Numbers: [79, 76] Generated Node #0,1,4: 68:[79, 76] Operation: 65+11=76 Moving to Node #0,3,2 Current State: 68:[34, 37], Operations: ['79-65=14', '23+14=37'] Exploring Operation: 34*37=1258, Resulting Numbers: [1258] 1258,68 unequal: No Solution Exploring Operation: 34+37=71, Resulting Numbers: [71] 71,68 unequal: No Solution Exploring Operation: 37-34=3, Resulting Numbers: [3] 3,68 unequal: No Solution Moving to Node #0,4,1 Current State: 68:[34, 37], Operations: ['65-23=42', '79-42=37'] Exploring Operation: 34+37=71, Resulting Numbers: [71] 71,68 unequal: No Solution Exploring Operation: 34*37=1258, Resulting Numbers: [1258] 1258,68 unequal: No Solution Exploring Operation: 37-34=3, Resulting Numbers: [3] 3,68 unequal: No Solution Moving to Node #0,1,3 Current State: 68:[65, 68], Operations: ['34-23=11', '79-11=68'] Exploring Operation: 68-65=3, Resulting Numbers: [3] 3,68 unequal: No Solution Exploring Operation: 65+68=133, Resulting Numbers: [133] 133,68 unequal: No Solution Exploring Operation: 65*68=4420, Resulting Numbers: [4420] 4420,68 unequal: No Solution Moving to Node #0,3,0 Current State: 68:[34, 9], Operations: ['79-65=14', '23-14=9'] Exploring Operation: 34+9=43, Resulting Numbers: [43] 43,68 unequal: No Solution Exploring Operation: 34*9=306, Resulting Numbers: [306] 306,68 unequal: No Solution Exploring Operation: 34-9=25, Resulting Numbers: [25] 25,68 unequal: No Solution Moving to Node #0,3,1 Current State: 68:[23, 20], Operations: ['79-65=14', '34-14=20'] Exploring Operation: 23*20=460, Resulting Numbers: [460] 460,68 unequal: No Solution Exploring Operation: 23-20=3, Resulting Numbers: [3] 3,68 unequal: No Solution Exploring Operation: 23+20=43, Resulting Numbers: [43] 43,68 unequal: No Solution Moving to Node #0,3,4 Current State: 68:[14, 11], Operations: ['79-65=14', '34-23=11'] Exploring Operation: 14+11=25, Resulting Numbers: [25] 25,68 unequal: No Solution Exploring Operation: 14-11=3, Resulting Numbers: [3] 3,68 unequal: No Solution Exploring Operation: 14*11=154, Resulting Numbers: [154] 154,68 unequal: No Solution Moving to Node #0,1,0 Current State: 68:[11, 14], Operations: ['34-23=11', '79-65=14'] Exploring Operation: 11+14=25, Resulting Numbers: [25] 25,68 unequal: No Solution Exploring Operation: 14-11=3, Resulting Numbers: [3] 3,68 unequal: No Solution Exploring Operation: 11*14=154, Resulting Numbers: [154] 154,68 unequal: No Solution Moving to Node #0,3,3 Current State: 68:[14, 57], Operations: ['79-65=14', '23+34=57'] Exploring Operation: 57-14=43, Resulting Numbers: [43] 43,68 unequal: No Solution Exploring Operation: 14*57=798, Resulting Numbers: [798] 798,68 unequal: No Solution Exploring Operation: 14+57=71, Resulting Numbers: [71] 71,68 unequal: No Solution Moving to Node #0,4,4 Current State: 68:[79, 8], Operations: ['65-23=42', '42-34=8'] Exploring Operation: 79*8=632, Resulting Numbers: [632] 632,68 unequal: No Solution Exploring Operation: 79+8=87, Resulting Numbers: [87] 87,68 unequal: No Solution Exploring Operation: 79-8=71, Resulting Numbers: [71] 71,68 unequal: No Solution Moving to Node #0,0,2 Current State: 68:[31, 56], Operations: ['65-34=31', '79-23=56'] Exploring Operation: 56-31=25, Resulting Numbers: [25] 25,68 unequal: No Solution Exploring Operation: 31*56=1736, Resulting Numbers: [1736] 1736,68 unequal: No Solution Exploring Operation: 31+56=87, Resulting Numbers: [87] 87,68 unequal: No Solution Moving to Node #0,0,1 Current State: 68:[79, 8], Operations: ['65-34=31', '31-23=8'] Exploring Operation: 79*8=632, Resulting Numbers: [632] 632,68 unequal: No Solution Exploring Operation: 79-8=71, Resulting Numbers: [71] 71,68 unequal: No Solution Exploring Operation: 79+8=87, Resulting Numbers: [87] 87,68 unequal: No Solution Moving to Node #0,4,3 Current State: 68:[79, 76], Operations: ['65-23=42', '34+42=76'] Exploring Operation: 79-76=3, Resulting Numbers: [3] 3,68 unequal: No Solution Exploring Operation: 79*76=6004, Resulting Numbers: [6004] 6004,68 unequal: No Solution Exploring Operation: 79+76=155, Resulting Numbers: [155] 155,68 unequal: No Solution Moving to Node #0,1,4 Current State: 68:[79, 76], Operations: ['34-23=11', '65+11=76'] Exploring Operation: 79-76=3, Resulting Numbers: [3] 3,68 unequal: No Solution Exploring Operation: 79*76=6004, Resulting Numbers: [6004] 6004,68 unequal: No Solution Exploring Operation: 79+76=155, Resulting Numbers: [155] 155,68 unequal: No Solution Moving to Node #0,4,0 Current State: 68:[42, 45], Operations: ['65-23=42', '79-34=45'] Exploring Operation: 42+45=87, Resulting Numbers: [87] 87,68 unequal: No Solution Exploring Operation: 42*45=1890, Resulting Numbers: [1890] 1890,68 unequal: No Solution Exploring Operation: 45-42=3, Resulting Numbers: [3] 3,68 unequal: No Solution Moving to Node #0,0,3 Current State: 68:[23, 48], Operations: ['65-34=31', '79-31=48'] Exploring Operation: 23+48=71, Resulting Numbers: [71] 71,68 unequal: No Solution Exploring Operation: 48-23=25, Resulting Numbers: [25] 25,68 unequal: No Solution Exploring Operation: 23*48=1104, Resulting Numbers: [1104] 1104,68 unequal: No Solution Moving to Node #0,0,4 Current State: 68:[79, 54], Operations: ['65-34=31', '23+31=54'] Exploring Operation: 79*54=4266, Resulting Numbers: [4266] 4266,68 unequal: No Solution Exploring Operation: 79-54=25, Resulting Numbers: [25] 25,68 unequal: No Solution Exploring Operation: 79+54=133, Resulting Numbers: [133] 133,68 unequal: No Solution Moving to Node #0,1,2 Current State: 68:[79, 54], Operations: ['34-23=11', '65-11=54'] Exploring Operation: 79+54=133, Resulting Numbers: [133] 133,68 unequal: No Solution Exploring Operation: 79*54=4266, Resulting Numbers: [4266] 4266,68 unequal: No Solution Exploring Operation: 79-54=25, Resulting Numbers: [25] 25,68 unequal: No Solution Moving to Node #0,1,1 Current State: 68:[65, 90], Operations: ['34-23=11', '79+11=90'] Exploring Operation: 90-65=25, Resulting Numbers: [25] 25,68 unequal: No Solution Exploring Operation: 65+90=155, Resulting Numbers: [155] 155,68 unequal: No Solution Exploring Operation: 65*90=5850, Resulting Numbers: [5850] 5850,68 unequal: No Solution Moving to Node #0,0,0 Current State: 68:[31, 102], Operations: ['65-34=31', '23+79=102'] Exploring Operation: 31+102=133, Resulting Numbers: [133] 133,68 unequal: No Solution Exploring Operation: 31*102=3162, Resulting Numbers: [3162] 3162,68 unequal: No Solution Exploring Operation: 102-31=71, Resulting Numbers: [71] 71,68 unequal: No Solution Moving to Node #0,4,2 Current State: 68:[42, 113], Operations: ['65-23=42', '34+79=113'] Exploring Operation: 42*113=4746, Resulting Numbers: [4746] 4746,68 unequal: No Solution Exploring Operation: 42+113=155, Resulting Numbers: [155] 155,68 unequal: No Solution Exploring Operation: 113-42=71, Resulting Numbers: [71] 71,68 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 43, 75, 92, 38 ]
85
[ "43-38=5", "92-75=17", "5*17=85" ]
Current State: 85:[43, 75, 92, 38], Operations: [] Exploring Operation: 43-38=5, Resulting Numbers: [75, 92, 5] Generated Node #2: [75, 92, 5] from Operation: 43-38=5 Current State: 85:[75, 92, 5], Operations: ['43-38=5'] Exploring Operation: 92-75=17, Resulting Numbers: [5, 17] Generated Node #3: [5, 17] from Operation: 92-75=17 Current State: 85:[5, 17], Operations: ['43-38=5', '92-75=17'] Exploring Operation: 5*17=85, Resulting Numbers: [85] 85,85 equal: Goal Reached
4
Current State: 85:[43, 75, 92, 38], Operations: [] Exploring Operation: 43-38=5, Resulting Numbers: [75, 92, 5] Generated Node #0,0: 85:[75, 92, 5] Operation: 43-38=5 Exploring Operation: 43+38=81, Resulting Numbers: [75, 92, 81] Generated Node #0,1: 85:[75, 92, 81] Operation: 43+38=81 Exploring Operation: 75-43=32, Resulting Numbers: [92, 38, 32] Generated Node #0,2: 85:[92, 38, 32] Operation: 75-43=32 Start Sub Search at level 1: Moving to Node #0,0 Current State: 85:[75, 92, 5], Operations: ['43-38=5'] Exploring Operation: 92-75=17, Resulting Numbers: [5, 17] Generated Node #0,0,0: 85:[5, 17] Operation: 92-75=17 Exploring Operation: 75/5=15, Resulting Numbers: [92, 15] Generated Node #0,0,1: 85:[92, 15] Operation: 75/5=15 Exploring Operation: 75+5=80, Resulting Numbers: [92, 80] Generated Node #0,0,2: 85:[92, 80] Operation: 75+5=80 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 85:[5, 17], Operations: ['43-38=5', '92-75=17'] Exploring Operation: 5+17=22, Resulting Numbers: [22] 22,85 unequal: No Solution Exploring Operation: 5*17=85, Resulting Numbers: [85] 85,85 equal: Goal Reached Moving to Node #0 Current State: 85:[43, 75, 92, 38], Operations: [] Exploring Operation: 43-38=5, Resulting Numbers: [75, 92, 5] Generated Node #0,0: 85:[75, 92, 5] Operation: 43-38=5 Moving to Node #0,0 Current State: 85:[75, 92, 5], Operations: ['43-38=5'] Exploring Operation: 92-75=17, Resulting Numbers: [5, 17] Generated Node #0,0,0: 85:[5, 17] Operation: 92-75=17 Moving to Node #0,0,0 Current State: 85:[5, 17], Operations: ['43-38=5', '92-75=17'] Exploring Operation: 5*17=85, Resulting Numbers: [85] 85,85 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.989583
hs_3
mult_heuristic
[ 28, 43, 12, 60 ]
97
[ "28*60=1680", "1680/12=140", "140-43=97" ]
Current State: 97:[28, 43, 12, 60], Operations: [] Exploring Operation: 28*60=1680, Resulting Numbers: [43, 12, 1680] Generated Node #2: [43, 12, 1680] from Operation: 28*60=1680 Current State: 97:[43, 12, 1680], Operations: ['28*60=1680'] Exploring Operation: 1680/12=140, Resulting Numbers: [43, 140] Generated Node #3: [43, 140] from Operation: 1680/12=140 Current State: 97:[43, 140], Operations: ['28*60=1680', '1680/12=140'] Exploring Operation: 140-43=97, Resulting Numbers: [97] 97,97 equal: Goal Reached
4
Current State: 97:[28, 43, 12, 60], Operations: [] Exploring Operation: 28+12=40, Resulting Numbers: [43, 60, 40] Generated Node #0,0: 97:[43, 60, 40] Operation: 28+12=40 Exploring Operation: 28+60=88, Resulting Numbers: [43, 12, 88] Generated Node #0,1: 97:[43, 12, 88] Operation: 28+60=88 Exploring Operation: 28+43=71, Resulting Numbers: [12, 60, 71] Generated Node #0,2: 97:[12, 60, 71] Operation: 28+43=71 Start Sub Search at level 1: Moving to Node #0,0 Current State: 97:[43, 60, 40], Operations: ['28+12=40'] Exploring Operation: 60+40=100, Resulting Numbers: [43, 100] Generated Node #0,0,0: 97:[43, 100] Operation: 60+40=100 Exploring Operation: 43+60=103, Resulting Numbers: [40, 103] Generated Node #0,0,1: 97:[40, 103] Operation: 43+60=103 Exploring Operation: 43+40=83, Resulting Numbers: [60, 83] Generated Node #0,0,2: 97:[60, 83] Operation: 43+40=83 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 97:[60, 83], Operations: ['28+12=40', '43+40=83'] Exploring Operation: 60+83=143, Resulting Numbers: [143] 143,97 unequal: No Solution Exploring Operation: 60*83=4980, Resulting Numbers: [4980] 4980,97 unequal: No Solution Exploring Operation: 83-60=23, Resulting Numbers: [23] 23,97 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 #0,0,0 Current State: 97:[43, 100], Operations: ['28+12=40', '60+40=100'] Exploring Operation: 43*100=4300, Resulting Numbers: [4300] 4300,97 unequal: No Solution Exploring Operation: 43+100=143, Resulting Numbers: [143] 143,97 unequal: No Solution Exploring Operation: 100-43=57, Resulting Numbers: [57] 57,97 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 #0,0,1 Current State: 97:[40, 103], Operations: ['28+12=40', '43+60=103'] Exploring Operation: 103-40=63, Resulting Numbers: [63] 63,97 unequal: No Solution Exploring Operation: 40+103=143, Resulting Numbers: [143] 143,97 unequal: No Solution Exploring Operation: 40*103=4120, Resulting Numbers: [4120] 4120,97 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 #0,1 Current State: 97:[43, 12, 88], Operations: ['28+60=88'] Exploring Operation: 43+12=55, Resulting Numbers: [88, 55] Generated Node #0,1,0: 97:[88, 55] Operation: 43+12=55 Exploring Operation: 12+88=100, Resulting Numbers: [43, 100] Generated Node #0,1,1: 97:[43, 100] Operation: 12+88=100 Exploring Operation: 43-12=31, Resulting Numbers: [88, 31] Generated Node #0,1,2: 97:[88, 31] Operation: 43-12=31 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 97:[88, 55], Operations: ['28+60=88', '43+12=55'] Exploring Operation: 88*55=4840, Resulting Numbers: [4840] 4840,97 unequal: No Solution Exploring Operation: 88+55=143, Resulting Numbers: [143] 143,97 unequal: No Solution Exploring Operation: 88-55=33, Resulting Numbers: [33] 33,97 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:[43, 100], Operations: ['28+60=88', '12+88=100'] Exploring Operation: 43+100=143, Resulting Numbers: [143] 143,97 unequal: No Solution Exploring Operation: 43*100=4300, Resulting Numbers: [4300] 4300,97 unequal: No Solution Exploring Operation: 100-43=57, Resulting Numbers: [57] 57,97 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:[88, 31], Operations: ['28+60=88', '43-12=31'] Exploring Operation: 88+31=119, Resulting Numbers: [119] 119,97 unequal: No Solution Exploring Operation: 88*31=2728, Resulting Numbers: [2728] 2728,97 unequal: No Solution Exploring Operation: 88-31=57, Resulting Numbers: [57] 57,97 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 #0,2 Current State: 97:[12, 60, 71], Operations: ['28+43=71'] Exploring Operation: 12+60=72, Resulting Numbers: [71, 72] Generated Node #0,2,0: 97:[71, 72] Operation: 12+60=72 Exploring Operation: 12+71=83, Resulting Numbers: [60, 83] Generated Node #0,2,1: 97:[60, 83] Operation: 12+71=83 Exploring Operation: 60-12=48, Resulting Numbers: [71, 48] Generated Node #0,2,2: 97:[71, 48] Operation: 60-12=48 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 97:[71, 72], Operations: ['28+43=71', '12+60=72'] Exploring Operation: 72-71=1, Resulting Numbers: [1] 1,97 unequal: No Solution Exploring Operation: 71+72=143, Resulting Numbers: [143] 143,97 unequal: No Solution Exploring Operation: 71*72=5112, Resulting Numbers: [5112] 5112,97 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 #0,2,1 Current State: 97:[60, 83], Operations: ['28+43=71', '12+71=83'] Exploring Operation: 83-60=23, Resulting Numbers: [23] 23,97 unequal: No Solution Exploring Operation: 60*83=4980, Resulting Numbers: [4980] 4980,97 unequal: No Solution Exploring Operation: 60+83=143, Resulting Numbers: [143] 143,97 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 #0,2,2 Current State: 97:[71, 48], Operations: ['28+43=71', '60-12=48'] Exploring Operation: 71-48=23, Resulting Numbers: [23] 23,97 unequal: No Solution Exploring Operation: 71*48=3408, Resulting Numbers: [3408] 3408,97 unequal: No Solution Exploring Operation: 71+48=119, Resulting Numbers: [119] 119,97 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 No solution found.
0
hs_3
sum_heuristic
[ 94, 3, 12, 99 ]
27
[ "99-94=5", "3*5=15", "12+15=27" ]
Current State: 27:[94, 3, 12, 99], Operations: [] Exploring Operation: 99-94=5, Resulting Numbers: [3, 12, 5] Generated Node #2: [3, 12, 5] from Operation: 99-94=5 Current State: 27:[3, 12, 5], Operations: ['99-94=5'] Exploring Operation: 3*5=15, Resulting Numbers: [12, 15] Generated Node #3: [12, 15] from Operation: 3*5=15 Current State: 27:[12, 15], Operations: ['99-94=5', '3*5=15'] Exploring Operation: 12+15=27, Resulting Numbers: [27] 27,27 equal: Goal Reached
4
Current State: 27:[94, 3, 12, 99], Operations: [] Exploring Operation: 94-3=91, Resulting Numbers: [12, 99, 91] Generated Node #0,0: 27:[12, 99, 91] Operation: 94-3=91 Exploring Operation: 94-12=82, Resulting Numbers: [3, 99, 82] Generated Node #0,1: 27:[3, 99, 82] Operation: 94-12=82 Exploring Operation: 99-12=87, Resulting Numbers: [94, 3, 87] Generated Node #0,2: 27:[94, 3, 87] Operation: 99-12=87 Exploring Operation: 99-94=5, Resulting Numbers: [3, 12, 5] Generated Node #0,3: 27:[3, 12, 5] Operation: 99-94=5 Exploring Operation: 99/3=33, Resulting Numbers: [94, 12, 33] Generated Node #0,4: 27:[94, 12, 33] Operation: 99/3=33 Start Sub Search at level 1: Moving to Node #0,3 Current State: 27:[3, 12, 5], Operations: ['99-94=5'] Exploring Operation: 12-3=9, Resulting Numbers: [5, 9] Generated Node #0,3,0: 27:[5, 9] Operation: 12-3=9 Exploring Operation: 5-3=2, Resulting Numbers: [12, 2] Generated Node #0,3,1: 27:[12, 2] Operation: 5-3=2 Exploring Operation: 12/3=4, Resulting Numbers: [5, 4] Generated Node #0,3,2: 27:[5, 4] Operation: 12/3=4 Exploring Operation: 3+5=8, Resulting Numbers: [12, 8] Generated Node #0,3,3: 27:[12, 8] Operation: 3+5=8 Exploring Operation: 12-5=7, Resulting Numbers: [3, 7] Generated Node #0,3,4: 27:[3, 7] Operation: 12-5=7 Moving to Node #0,3,0 Current State: 27:[5, 9], Operations: ['99-94=5', '12-3=9'] Exploring Operation: 5+9=14, Resulting Numbers: [14] 14,27 unequal: No Solution Exploring Operation: 5*9=45, Resulting Numbers: [45] 45,27 unequal: No Solution Exploring Operation: 9-5=4, Resulting Numbers: [4] 4,27 unequal: No Solution Moving to Node #0,3,4 Current State: 27:[3, 7], Operations: ['99-94=5', '12-5=7'] Exploring Operation: 7-3=4, Resulting Numbers: [4] 4,27 unequal: No Solution Exploring Operation: 3*7=21, Resulting Numbers: [21] 21,27 unequal: No Solution Exploring Operation: 3+7=10, Resulting Numbers: [10] 10,27 unequal: No Solution Moving to Node #0,3,2 Current State: 27:[5, 4], Operations: ['99-94=5', '12/3=4'] Exploring Operation: 5*4=20, Resulting Numbers: [20] 20,27 unequal: No Solution Exploring Operation: 5-4=1, Resulting Numbers: [1] 1,27 unequal: No Solution Exploring Operation: 5+4=9, Resulting Numbers: [9] 9,27 unequal: No Solution Moving to Node #0,3,1 Current State: 27:[12, 2], Operations: ['99-94=5', '5-3=2'] Exploring Operation: 12*2=24, Resulting Numbers: [24] 24,27 unequal: No Solution Exploring Operation: 12/2=6, Resulting Numbers: [6] 6,27 unequal: No Solution Exploring Operation: 12+2=14, Resulting Numbers: [14] 14,27 unequal: No Solution Exploring Operation: 12-2=10, Resulting Numbers: [10] 10,27 unequal: No Solution Moving to Node #0,3,3 Current State: 27:[12, 8], Operations: ['99-94=5', '3+5=8'] Exploring Operation: 12+8=20, Resulting Numbers: [20] 20,27 unequal: No Solution Exploring Operation: 12-8=4, Resulting Numbers: [4] 4,27 unequal: No Solution Exploring Operation: 12*8=96, Resulting Numbers: [96] 96,27 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 27:[94, 12, 33], Operations: ['99/3=33'] Exploring Operation: 33-12=21, Resulting Numbers: [94, 21] Generated Node #0,4,0: 27:[94, 21] Operation: 33-12=21 Exploring Operation: 94-33=61, Resulting Numbers: [12, 61] Generated Node #0,4,1: 27:[12, 61] Operation: 94-33=61 Exploring Operation: 94-12=82, Resulting Numbers: [33, 82] Generated Node #0,4,2: 27:[33, 82] Operation: 94-12=82 Exploring Operation: 12+33=45, Resulting Numbers: [94, 45] Generated Node #0,4,3: 27:[94, 45] Operation: 12+33=45 Exploring Operation: 94+12=106, Resulting Numbers: [33, 106] Generated Node #0,4,4: 27:[33, 106] Operation: 94+12=106 Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 27:[12, 61], Operations: ['99/3=33', '94-33=61'] Exploring Operation: 12*61=732, Resulting Numbers: [732] 732,27 unequal: No Solution Exploring Operation: 61-12=49, Resulting Numbers: [49] 49,27 unequal: No Solution Exploring Operation: 12+61=73, Resulting Numbers: [73] 73,27 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 27:[33, 82], Operations: ['99/3=33', '94-12=82'] Exploring Operation: 82-33=49, Resulting Numbers: [49] 49,27 unequal: No Solution Exploring Operation: 33*82=2706, Resulting Numbers: [2706] 2706,27 unequal: No Solution Exploring Operation: 33+82=115, Resulting Numbers: [115] 115,27 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 27:[94, 21], Operations: ['99/3=33', '33-12=21'] Exploring Operation: 94+21=115, Resulting Numbers: [115] 115,27 unequal: No Solution Exploring Operation: 94*21=1974, Resulting Numbers: [1974] 1974,27 unequal: No Solution Exploring Operation: 94-21=73, Resulting Numbers: [73] 73,27 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 27:[94, 45], Operations: ['99/3=33', '12+33=45'] Exploring Operation: 94*45=4230, Resulting Numbers: [4230] 4230,27 unequal: No Solution Exploring Operation: 94+45=139, Resulting Numbers: [139] 139,27 unequal: No Solution Exploring Operation: 94-45=49, Resulting Numbers: [49] 49,27 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 27:[33, 106], Operations: ['99/3=33', '94+12=106'] Exploring Operation: 33+106=139, Resulting Numbers: [139] 139,27 unequal: No Solution Exploring Operation: 33*106=3498, Resulting Numbers: [3498] 3498,27 unequal: No Solution Exploring Operation: 106-33=73, Resulting Numbers: [73] 73,27 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:[3, 99, 82], Operations: ['94-12=82'] Exploring Operation: 99-82=17, Resulting Numbers: [3, 17] Generated Node #0,1,0: 27:[3, 17] Operation: 99-82=17 Exploring Operation: 99/3=33, Resulting Numbers: [82, 33] Generated Node #0,1,1: 27:[82, 33] Operation: 99/3=33 Exploring Operation: 82-3=79, Resulting Numbers: [99, 79] Generated Node #0,1,2: 27:[99, 79] Operation: 82-3=79 Exploring Operation: 99-3=96, Resulting Numbers: [82, 96] Generated Node #0,1,3: 27:[82, 96] Operation: 99-3=96 Exploring Operation: 3+99=102, Resulting Numbers: [82, 102] Generated Node #0,1,4: 27:[82, 102] Operation: 3+99=102 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 27:[3, 17], Operations: ['94-12=82', '99-82=17'] Exploring Operation: 3*17=51, Resulting Numbers: [51] 51,27 unequal: No Solution Exploring Operation: 17-3=14, Resulting Numbers: [14] 14,27 unequal: No Solution Exploring Operation: 3+17=20, Resulting Numbers: [20] 20,27 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 27:[82, 33], Operations: ['94-12=82', '99/3=33'] Exploring Operation: 82*33=2706, Resulting Numbers: [2706] 2706,27 unequal: No Solution Exploring Operation: 82+33=115, Resulting Numbers: [115] 115,27 unequal: No Solution Exploring Operation: 82-33=49, Resulting Numbers: [49] 49,27 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 27:[99, 79], Operations: ['94-12=82', '82-3=79'] Exploring Operation: 99+79=178, Resulting Numbers: [178] 178,27 unequal: No Solution Exploring Operation: 99-79=20, Resulting Numbers: [20] 20,27 unequal: No Solution Exploring Operation: 99*79=7821, Resulting Numbers: [7821] 7821,27 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 27:[82, 96], Operations: ['94-12=82', '99-3=96'] Exploring Operation: 82+96=178, Resulting Numbers: [178] 178,27 unequal: No Solution Exploring Operation: 82*96=7872, Resulting Numbers: [7872] 7872,27 unequal: No Solution Exploring Operation: 96-82=14, Resulting Numbers: [14] 14,27 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 27:[82, 102], Operations: ['94-12=82', '3+99=102'] Exploring Operation: 102-82=20, Resulting Numbers: [20] 20,27 unequal: No Solution Exploring Operation: 82*102=8364, Resulting Numbers: [8364] 8364,27 unequal: No Solution Exploring Operation: 82+102=184, Resulting Numbers: [184] 184,27 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:[94, 3, 87], Operations: ['99-12=87'] Exploring Operation: 94-3=91, Resulting Numbers: [87, 91] Generated Node #0,2,0: 27:[87, 91] Operation: 94-3=91 Exploring Operation: 87/3=29, Resulting Numbers: [94, 29] Generated Node #0,2,1: 27:[94, 29] Operation: 87/3=29 Exploring Operation: 87-3=84, Resulting Numbers: [94, 84] Generated Node #0,2,2: 27:[94, 84] Operation: 87-3=84 Exploring Operation: 94-87=7, Resulting Numbers: [3, 7] Generated Node #0,2,3: 27:[3, 7] Operation: 94-87=7 Exploring Operation: 94+3=97, Resulting Numbers: [87, 97] Generated Node #0,2,4: 27:[87, 97] Operation: 94+3=97 Moving to Node #0,2,3 Current State: 27:[3, 7], Operations: ['99-12=87', '94-87=7'] Exploring Operation: 7-3=4, Resulting Numbers: [4] 4,27 unequal: No Solution Exploring Operation: 3+7=10, Resulting Numbers: [10] 10,27 unequal: No Solution Exploring Operation: 3*7=21, Resulting Numbers: [21] 21,27 unequal: No Solution Moving to Node #0,2,1 Current State: 27:[94, 29], Operations: ['99-12=87', '87/3=29'] Exploring Operation: 94*29=2726, Resulting Numbers: [2726] 2726,27 unequal: No Solution Exploring Operation: 94+29=123, Resulting Numbers: [123] 123,27 unequal: No Solution Exploring Operation: 94-29=65, Resulting Numbers: [65] 65,27 unequal: No Solution Moving to Node #0,2,0 Current State: 27:[87, 91], Operations: ['99-12=87', '94-3=91'] Exploring Operation: 91-87=4, Resulting Numbers: [4] 4,27 unequal: No Solution Exploring Operation: 87*91=7917, Resulting Numbers: [7917] 7917,27 unequal: No Solution Exploring Operation: 87+91=178, Resulting Numbers: [178] 178,27 unequal: No Solution Moving to Node #0,2,2 Current State: 27:[94, 84], Operations: ['99-12=87', '87-3=84'] Exploring Operation: 94+84=178, Resulting Numbers: [178] 178,27 unequal: No Solution Exploring Operation: 94-84=10, Resulting Numbers: [10] 10,27 unequal: No Solution Exploring Operation: 94*84=7896, Resulting Numbers: [7896] 7896,27 unequal: No Solution Moving to Node #0,2,4 Current State: 27:[87, 97], Operations: ['99-12=87', '94+3=97'] Exploring Operation: 97-87=10, Resulting Numbers: [10] 10,27 unequal: No Solution Exploring Operation: 87*97=8439, Resulting Numbers: [8439] 8439,27 unequal: No Solution Exploring Operation: 87+97=184, Resulting Numbers: [184] 184,27 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 27:[12, 99, 91], Operations: ['94-3=91'] Exploring Operation: 12+91=103, Resulting Numbers: [99, 103] Generated Node #0,0,0: 27:[99, 103] Operation: 12+91=103 Exploring Operation: 99-91=8, Resulting Numbers: [12, 8] Generated Node #0,0,1: 27:[12, 8] Operation: 99-91=8 Exploring Operation: 99-12=87, Resulting Numbers: [91, 87] Generated Node #0,0,2: 27:[91, 87] Operation: 99-12=87 Exploring Operation: 12+99=111, Resulting Numbers: [91, 111] Generated Node #0,0,3: 27:[91, 111] Operation: 12+99=111 Exploring Operation: 91-12=79, Resulting Numbers: [99, 79] Generated Node #0,0,4: 27:[99, 79] Operation: 91-12=79 Moving to Node #0,0,1 Current State: 27:[12, 8], Operations: ['94-3=91', '99-91=8'] Exploring Operation: 12-8=4, Resulting Numbers: [4] 4,27 unequal: No Solution Exploring Operation: 12*8=96, Resulting Numbers: [96] 96,27 unequal: No Solution Exploring Operation: 12+8=20, Resulting Numbers: [20] 20,27 unequal: No Solution Moving to Node #0,0,4 Current State: 27:[99, 79], Operations: ['94-3=91', '91-12=79'] Exploring Operation: 99*79=7821, Resulting Numbers: [7821] 7821,27 unequal: No Solution Exploring Operation: 99-79=20, Resulting Numbers: [20] 20,27 unequal: No Solution Exploring Operation: 99+79=178, Resulting Numbers: [178] 178,27 unequal: No Solution Moving to Node #0,0,2 Current State: 27:[91, 87], Operations: ['94-3=91', '99-12=87'] Exploring Operation: 91-87=4, Resulting Numbers: [4] 4,27 unequal: No Solution Exploring Operation: 91+87=178, Resulting Numbers: [178] 178,27 unequal: No Solution Exploring Operation: 91*87=7917, Resulting Numbers: [7917] 7917,27 unequal: No Solution Moving to Node #0,0,0 Current State: 27:[99, 103], Operations: ['94-3=91', '12+91=103'] Exploring Operation: 103-99=4, Resulting Numbers: [4] 4,27 unequal: No Solution Exploring Operation: 99*103=10197, Resulting Numbers: [10197] 10197,27 unequal: No Solution Exploring Operation: 99+103=202, Resulting Numbers: [202] 202,27 unequal: No Solution Moving to Node #0,0,3 Current State: 27:[91, 111], Operations: ['94-3=91', '12+99=111'] Exploring Operation: 91+111=202, Resulting Numbers: [202] 202,27 unequal: No Solution Exploring Operation: 91*111=10101, Resulting Numbers: [10101] 10101,27 unequal: No Solution Exploring Operation: 111-91=20, Resulting Numbers: [20] 20,27 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
[ 25, 46, 50, 22 ]
66
[ "50/25=2", "46+22=68", "68-2=66" ]
Current State: 66:[25, 46, 50, 22], Operations: [] Exploring Operation: 50/25=2, Resulting Numbers: [46, 22, 2] Generated Node #2: [46, 22, 2] from Operation: 50/25=2 Current State: 66:[46, 22, 2], Operations: ['50/25=2'] Exploring Operation: 46+22=68, Resulting Numbers: [2, 68] Generated Node #3: [2, 68] from Operation: 46+22=68 Current State: 66:[2, 68], Operations: ['50/25=2', '46+22=68'] Exploring Operation: 68-2=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
4
Current State: 66:[25, 46, 50, 22], Operations: [] Exploring Operation: 50-46=4, Resulting Numbers: [25, 22, 4] Generated Node #0,0: 66:[25, 22, 4] Operation: 50-46=4 Moving to Node #0,0 Current State: 66:[25, 22, 4], Operations: ['50-46=4'] Exploring Operation: 25-22=3, Resulting Numbers: [4, 3] Generated Node #0,0,0: 66:[4, 3] Operation: 25-22=3 Moving to Node #0,0,0 Current State: 66:[4, 3], Operations: ['50-46=4', '25-22=3'] Exploring Operation: 4+3=7, Resulting Numbers: [7] 7,66 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 22, 44, 71, 63 ]
30
[ "44-22=22", "71-63=8", "22+8=30" ]
Current State: 30:[22, 44, 71, 63], Operations: [] Exploring Operation: 44-22=22, Resulting Numbers: [71, 63, 22] Generated Node #2: [71, 63, 22] from Operation: 44-22=22 Current State: 30:[71, 63, 22], Operations: ['44-22=22'] Exploring Operation: 71-63=8, Resulting Numbers: [22, 8] Generated Node #3: [22, 8] from Operation: 71-63=8 Current State: 30:[22, 8], Operations: ['44-22=22', '71-63=8'] Exploring Operation: 22+8=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
4
Current State: 30:[22, 44, 71, 63], Operations: [] Exploring Operation: 63-44=19, Resulting Numbers: [22, 71, 19] Generated Node #0,0: 30:[22, 71, 19] Operation: 63-44=19 Exploring Operation: 71-63=8, Resulting Numbers: [22, 44, 8] Generated Node #0,1: 30:[22, 44, 8] Operation: 71-63=8 Exploring Operation: 71-44=27, Resulting Numbers: [22, 63, 27] Generated Node #0,2: 30:[22, 63, 27] Operation: 71-44=27 Start Sub Search at level 1: Moving to Node #0,1 Current State: 30:[22, 44, 8], Operations: ['71-63=8'] Exploring Operation: 44/22=2, Resulting Numbers: [8, 2] Generated Node #0,1,0: 30:[8, 2] Operation: 44/22=2 Exploring Operation: 44-22=22, Resulting Numbers: [8, 22] Generated Node #0,1,1: 30:[8, 22] Operation: 44-22=22 Exploring Operation: 44-8=36, Resulting Numbers: [22, 36] Generated Node #0,1,2: 30:[22, 36] Operation: 44-8=36 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 30:[8, 2], Operations: ['71-63=8', '44/22=2'] Exploring Operation: 8*2=16, Resulting Numbers: [16] 16,30 unequal: No Solution Exploring Operation: 8-2=6, Resulting Numbers: [6] 6,30 unequal: No Solution Exploring Operation: 8+2=10, Resulting Numbers: [10] 10,30 unequal: No Solution No 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: 30:[8, 22], Operations: ['71-63=8', '44-22=22'] Exploring Operation: 22-8=14, Resulting Numbers: [14] 14,30 unequal: No Solution Exploring Operation: 8*22=176, Resulting Numbers: [176] 176,30 unequal: No Solution Exploring Operation: 8+22=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Moving to Node #0 Current State: 30:[22, 44, 71, 63], Operations: [] Exploring Operation: 71-63=8, Resulting Numbers: [22, 44, 8] Generated Node #0,1: 30:[22, 44, 8] Operation: 71-63=8 Moving to Node #0,1 Current State: 30:[22, 44, 8], Operations: ['71-63=8'] Exploring Operation: 44-22=22, Resulting Numbers: [8, 22] Generated Node #0,1,1: 30:[8, 22] Operation: 44-22=22 Moving to Node #0,1,1 Current State: 30:[8, 22], Operations: ['71-63=8', '44-22=22'] Exploring Operation: 8+22=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986111
hs_3
sum_heuristic
[ 2, 9, 4, 93 ]
75
[ "4-2=2", "9*2=18", "93-18=75" ]
Current State: 75:[2, 9, 4, 93], Operations: [] Exploring Operation: 4-2=2, Resulting Numbers: [9, 93, 2] Generated Node #2: [9, 93, 2] from Operation: 4-2=2 Current State: 75:[9, 93, 2], Operations: ['4-2=2'] Exploring Operation: 9*2=18, Resulting Numbers: [93, 18] Generated Node #3: [93, 18] from Operation: 9*2=18 Current State: 75:[93, 18], Operations: ['4-2=2', '9*2=18'] Exploring Operation: 93-18=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
4
Current State: 75:[2, 9, 4, 93], Operations: [] Exploring Operation: 93-4=89, Resulting Numbers: [2, 9, 89] Generated Node #0,0: 75:[2, 9, 89] Operation: 93-4=89 Exploring Operation: 9-4=5, Resulting Numbers: [2, 93, 5] Generated Node #0,1: 75:[2, 93, 5] Operation: 9-4=5 Exploring Operation: 9-2=7, Resulting Numbers: [4, 93, 7] Generated Node #0,2: 75:[4, 93, 7] Operation: 9-2=7 Exploring Operation: 93-9=84, Resulting Numbers: [2, 4, 84] Generated Node #0,3: 75:[2, 4, 84] Operation: 93-9=84 Exploring Operation: 93-2=91, Resulting Numbers: [9, 4, 91] Generated Node #0,4: 75:[9, 4, 91] Operation: 93-2=91 Moving to Node #0,3 Current State: 75:[2, 4, 84], Operations: ['93-9=84'] Exploring Operation: 4-2=2, Resulting Numbers: [84, 2] Generated Node #0,3,0: 75:[84, 2] Operation: 4-2=2 Exploring Operation: 2+4=6, Resulting Numbers: [84, 6] Generated Node #0,3,1: 75:[84, 6] Operation: 2+4=6 Exploring Operation: 84/4=21, Resulting Numbers: [2, 21] Generated Node #0,3,2: 75:[2, 21] Operation: 84/4=21 Exploring Operation: 84-2=82, Resulting Numbers: [4, 82] Generated Node #0,3,3: 75:[4, 82] Operation: 84-2=82 Exploring Operation: 84-4=80, Resulting Numbers: [2, 80] Generated Node #0,3,4: 75:[2, 80] Operation: 84-4=80 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 75:[2, 21], Operations: ['93-9=84', '84/4=21'] Exploring Operation: 2*21=42, Resulting Numbers: [42] 42,75 unequal: No Solution Exploring Operation: 2+21=23, Resulting Numbers: [23] 23,75 unequal: No Solution Exploring Operation: 21-2=19, Resulting Numbers: [19] 19,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 75:[2, 80], Operations: ['93-9=84', '84-4=80'] Exploring Operation: 80/2=40, Resulting Numbers: [40] 40,75 unequal: No Solution Exploring Operation: 2+80=82, Resulting Numbers: [82] 82,75 unequal: No Solution Exploring Operation: 2*80=160, Resulting Numbers: [160] 160,75 unequal: No Solution Exploring Operation: 80-2=78, Resulting Numbers: [78] 78,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 75:[4, 82], Operations: ['93-9=84', '84-2=82'] Exploring Operation: 4+82=86, Resulting Numbers: [86] 86,75 unequal: No Solution Exploring Operation: 4*82=328, Resulting Numbers: [328] 328,75 unequal: No Solution Exploring Operation: 82-4=78, Resulting Numbers: [78] 78,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 75:[84, 2], Operations: ['93-9=84', '4-2=2'] Exploring Operation: 84/2=42, Resulting Numbers: [42] 42,75 unequal: No Solution Exploring Operation: 84-2=82, Resulting Numbers: [82] 82,75 unequal: No Solution Exploring Operation: 84+2=86, Resulting Numbers: [86] 86,75 unequal: No Solution Exploring Operation: 84*2=168, Resulting Numbers: [168] 168,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 75:[84, 6], Operations: ['93-9=84', '2+4=6'] Exploring Operation: 84-6=78, Resulting Numbers: [78] 78,75 unequal: No Solution Exploring Operation: 84*6=504, Resulting Numbers: [504] 504,75 unequal: No Solution Exploring Operation: 84+6=90, Resulting Numbers: [90] 90,75 unequal: No Solution Exploring Operation: 84/6=14, Resulting Numbers: [14] 14,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 75:[2, 93, 5], Operations: ['9-4=5'] Exploring Operation: 2+93=95, Resulting Numbers: [5, 95] Generated Node #0,1,0: 75:[5, 95] Operation: 2+93=95 Exploring Operation: 93-5=88, Resulting Numbers: [2, 88] Generated Node #0,1,1: 75:[2, 88] Operation: 93-5=88 Exploring Operation: 2+5=7, Resulting Numbers: [93, 7] Generated Node #0,1,2: 75:[93, 7] Operation: 2+5=7 Exploring Operation: 93-2=91, Resulting Numbers: [5, 91] Generated Node #0,1,3: 75:[5, 91] Operation: 93-2=91 Exploring Operation: 5-2=3, Resulting Numbers: [93, 3] Generated Node #0,1,4: 75:[93, 3] Operation: 5-2=3 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 75:[2, 88], Operations: ['9-4=5', '93-5=88'] Exploring Operation: 2+88=90, Resulting Numbers: [90] 90,75 unequal: No Solution Exploring Operation: 88/2=44, Resulting Numbers: [44] 44,75 unequal: No Solution Exploring Operation: 88-2=86, Resulting Numbers: [86] 86,75 unequal: No Solution Exploring Operation: 2*88=176, Resulting Numbers: [176] 176,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 75:[5, 91], Operations: ['9-4=5', '93-2=91'] Exploring Operation: 5*91=455, Resulting Numbers: [455] 455,75 unequal: No Solution Exploring Operation: 5+91=96, Resulting Numbers: [96] 96,75 unequal: No Solution Exploring Operation: 91-5=86, Resulting Numbers: [86] 86,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 75:[93, 3], Operations: ['9-4=5', '5-2=3'] Exploring Operation: 93*3=279, Resulting Numbers: [279] 279,75 unequal: No Solution Exploring Operation: 93/3=31, Resulting Numbers: [31] 31,75 unequal: No Solution Exploring Operation: 93-3=90, Resulting Numbers: [90] 90,75 unequal: No Solution Exploring Operation: 93+3=96, Resulting Numbers: [96] 96,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 75:[5, 95], Operations: ['9-4=5', '2+93=95'] Exploring Operation: 95/5=19, Resulting Numbers: [19] 19,75 unequal: No Solution Exploring Operation: 5*95=475, Resulting Numbers: [475] 475,75 unequal: No Solution Exploring Operation: 95-5=90, Resulting Numbers: [90] 90,75 unequal: No Solution Exploring Operation: 5+95=100, Resulting Numbers: [100] 100,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 75:[93, 7], Operations: ['9-4=5', '2+5=7'] Exploring Operation: 93+7=100, Resulting Numbers: [100] 100,75 unequal: No Solution Exploring Operation: 93-7=86, Resulting Numbers: [86] 86,75 unequal: No Solution Exploring Operation: 93*7=651, Resulting Numbers: [651] 651,75 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: 75:[2, 9, 89], Operations: ['93-4=89'] Exploring Operation: 9-2=7, Resulting Numbers: [89, 7] Generated Node #0,0,0: 75:[89, 7] Operation: 9-2=7 Exploring Operation: 2+9=11, Resulting Numbers: [89, 11] Generated Node #0,0,1: 75:[89, 11] Operation: 2+9=11 Exploring Operation: 89-9=80, Resulting Numbers: [2, 80] Generated Node #0,0,2: 75:[2, 80] Operation: 89-9=80 Exploring Operation: 89-2=87, Resulting Numbers: [9, 87] Generated Node #0,0,3: 75:[9, 87] Operation: 89-2=87 Exploring Operation: 2*9=18, Resulting Numbers: [89, 18] Generated Node #0,0,4: 75:[89, 18] Operation: 2*9=18 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 75:[2, 80], Operations: ['93-4=89', '89-9=80'] Exploring Operation: 2+80=82, Resulting Numbers: [82] 82,75 unequal: No Solution Exploring Operation: 80-2=78, Resulting Numbers: [78] 78,75 unequal: No Solution Exploring Operation: 2*80=160, Resulting Numbers: [160] 160,75 unequal: No Solution Exploring Operation: 80/2=40, Resulting Numbers: [40] 40,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 75:[89, 7], Operations: ['93-4=89', '9-2=7'] Exploring Operation: 89-7=82, Resulting Numbers: [82] 82,75 unequal: No Solution Exploring Operation: 89+7=96, Resulting Numbers: [96] 96,75 unequal: No Solution Exploring Operation: 89*7=623, Resulting Numbers: [623] 623,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 75:[9, 87], Operations: ['93-4=89', '89-2=87'] Exploring Operation: 87-9=78, Resulting Numbers: [78] 78,75 unequal: No Solution Exploring Operation: 9+87=96, Resulting Numbers: [96] 96,75 unequal: No Solution Exploring Operation: 9*87=783, Resulting Numbers: [783] 783,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 75:[89, 18], Operations: ['93-4=89', '2*9=18'] Exploring Operation: 89-18=71, Resulting Numbers: [71] 71,75 unequal: No Solution Exploring Operation: 89*18=1602, Resulting Numbers: [1602] 1602,75 unequal: No Solution Exploring Operation: 89+18=107, Resulting Numbers: [107] 107,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 75:[89, 11], Operations: ['93-4=89', '2+9=11'] Exploring Operation: 89-11=78, Resulting Numbers: [78] 78,75 unequal: No Solution Exploring Operation: 89+11=100, Resulting Numbers: [100] 100,75 unequal: No Solution Exploring Operation: 89*11=979, Resulting Numbers: [979] 979,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 75:[4, 93, 7], Operations: ['9-2=7'] Exploring Operation: 93-4=89, Resulting Numbers: [7, 89] Generated Node #0,2,0: 75:[7, 89] Operation: 93-4=89 Exploring Operation: 4+7=11, Resulting Numbers: [93, 11] Generated Node #0,2,1: 75:[93, 11] Operation: 4+7=11 Exploring Operation: 4*7=28, Resulting Numbers: [93, 28] Generated Node #0,2,2: 75:[93, 28] Operation: 4*7=28 Exploring Operation: 7-4=3, Resulting Numbers: [93, 3] Generated Node #0,2,3: 75:[93, 3] Operation: 7-4=3 Exploring Operation: 93-7=86, Resulting Numbers: [4, 86] Generated Node #0,2,4: 75:[4, 86] Operation: 93-7=86 Moving to Node #0,4 Current State: 75:[9, 4, 91], Operations: ['93-2=91'] Exploring Operation: 4+91=95, Resulting Numbers: [9, 95] Generated Node #0,4,0: 75:[9, 95] Operation: 4+91=95 Exploring Operation: 9-4=5, Resulting Numbers: [91, 5] Generated Node #0,4,1: 75:[91, 5] Operation: 9-4=5 Exploring Operation: 91-9=82, Resulting Numbers: [4, 82] Generated Node #0,4,2: 75:[4, 82] Operation: 91-9=82 Exploring Operation: 91-4=87, Resulting Numbers: [9, 87] Generated Node #0,4,3: 75:[9, 87] Operation: 91-4=87 Exploring Operation: 9+4=13, Resulting Numbers: [91, 13] Generated Node #0,4,4: 75:[91, 13] Operation: 9+4=13 Moving to Node #0,4,2 Current State: 75:[4, 82], Operations: ['93-2=91', '91-9=82'] Exploring Operation: 4*82=328, Resulting Numbers: [328] 328,75 unequal: No Solution Exploring Operation: 82-4=78, Resulting Numbers: [78] 78,75 unequal: No Solution Exploring Operation: 4+82=86, Resulting Numbers: [86] 86,75 unequal: No Solution Moving to Node #0,2,4 Current State: 75:[4, 86], Operations: ['9-2=7', '93-7=86'] Exploring Operation: 4*86=344, Resulting Numbers: [344] 344,75 unequal: No Solution Exploring Operation: 4+86=90, Resulting Numbers: [90] 90,75 unequal: No Solution Exploring Operation: 86-4=82, Resulting Numbers: [82] 82,75 unequal: No Solution Moving to Node #0,4,1 Current State: 75:[91, 5], Operations: ['93-2=91', '9-4=5'] Exploring Operation: 91*5=455, Resulting Numbers: [455] 455,75 unequal: No Solution Exploring Operation: 91+5=96, Resulting Numbers: [96] 96,75 unequal: No Solution Exploring Operation: 91-5=86, Resulting Numbers: [86] 86,75 unequal: No Solution Moving to Node #0,2,0 Current State: 75:[7, 89], Operations: ['9-2=7', '93-4=89'] Exploring Operation: 7*89=623, Resulting Numbers: [623] 623,75 unequal: No Solution Exploring Operation: 7+89=96, Resulting Numbers: [96] 96,75 unequal: No Solution Exploring Operation: 89-7=82, Resulting Numbers: [82] 82,75 unequal: No Solution Moving to Node #0,4,3 Current State: 75:[9, 87], Operations: ['93-2=91', '91-4=87'] Exploring Operation: 87-9=78, Resulting Numbers: [78] 78,75 unequal: No Solution Exploring Operation: 9+87=96, Resulting Numbers: [96] 96,75 unequal: No Solution Exploring Operation: 9*87=783, Resulting Numbers: [783] 783,75 unequal: No Solution Moving to Node #0,2,3 Current State: 75:[93, 3], Operations: ['9-2=7', '7-4=3'] Exploring Operation: 93-3=90, Resulting Numbers: [90] 90,75 unequal: No Solution Exploring Operation: 93+3=96, Resulting Numbers: [96] 96,75 unequal: No Solution Exploring Operation: 93*3=279, Resulting Numbers: [279] 279,75 unequal: No Solution Exploring Operation: 93/3=31, Resulting Numbers: [31] 31,75 unequal: No Solution Moving to Node #0,4,4 Current State: 75:[91, 13], Operations: ['93-2=91', '9+4=13'] Exploring Operation: 91/13=7, Resulting Numbers: [7] 7,75 unequal: No Solution Exploring Operation: 91-13=78, Resulting Numbers: [78] 78,75 unequal: No Solution Exploring Operation: 91+13=104, Resulting Numbers: [104] 104,75 unequal: No Solution Exploring Operation: 91*13=1183, Resulting Numbers: [1183] 1183,75 unequal: No Solution Moving to Node #0,2,2 Current State: 75:[93, 28], Operations: ['9-2=7', '4*7=28'] Exploring Operation: 93+28=121, Resulting Numbers: [121] 121,75 unequal: No Solution Exploring Operation: 93*28=2604, Resulting Numbers: [2604] 2604,75 unequal: No Solution Exploring Operation: 93-28=65, Resulting Numbers: [65] 65,75 unequal: No Solution Moving to Node #0,2,1 Current State: 75:[93, 11], Operations: ['9-2=7', '4+7=11'] Exploring Operation: 93-11=82, Resulting Numbers: [82] 82,75 unequal: No Solution Exploring Operation: 93*11=1023, Resulting Numbers: [1023] 1023,75 unequal: No Solution Exploring Operation: 93+11=104, Resulting Numbers: [104] 104,75 unequal: No Solution Moving to Node #0,4,0 Current State: 75:[9, 95], Operations: ['93-2=91', '4+91=95'] Exploring Operation: 9*95=855, Resulting Numbers: [855] 855,75 unequal: No Solution Exploring Operation: 95-9=86, Resulting Numbers: [86] 86,75 unequal: No Solution Exploring Operation: 9+95=104, Resulting Numbers: [104] 104,75 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 35, 74, 4, 5 ]
11
[ "74-35=39", "5+39=44", "44/4=11" ]
Current State: 11:[35, 74, 4, 5], Operations: [] Exploring Operation: 74-35=39, Resulting Numbers: [4, 5, 39] Generated Node #2: [4, 5, 39] from Operation: 74-35=39 Current State: 11:[4, 5, 39], Operations: ['74-35=39'] Exploring Operation: 5+39=44, Resulting Numbers: [4, 44] Generated Node #3: [4, 44] from Operation: 5+39=44 Current State: 11:[4, 44], Operations: ['74-35=39', '5+39=44'] Exploring Operation: 44/4=11, Resulting Numbers: [11] 11,11 equal: Goal Reached
4
Current State: 11:[35, 74, 4, 5], Operations: [] Exploring Operation: 35/5=7, Resulting Numbers: [74, 4, 7] Generated Node #0,0: 11:[74, 4, 7] Operation: 35/5=7 Exploring Operation: 74-35=39, Resulting Numbers: [4, 5, 39] Generated Node #0,1: 11:[4, 5, 39] Operation: 74-35=39 Exploring Operation: 74-4=70, Resulting Numbers: [35, 5, 70] Generated Node #0,2: 11:[35, 5, 70] Operation: 74-4=70 Exploring Operation: 35-5=30, Resulting Numbers: [74, 4, 30] Generated Node #0,3: 11:[74, 4, 30] Operation: 35-5=30 Exploring Operation: 35-4=31, Resulting Numbers: [74, 5, 31] Generated Node #0,4: 11:[74, 5, 31] Operation: 35-4=31 Start Sub Search at level 1: Moving to Node #0,1 Current State: 11:[4, 5, 39], Operations: ['74-35=39'] Exploring Operation: 5-4=1, Resulting Numbers: [39, 1] Generated Node #0,1,0: 11:[39, 1] Operation: 5-4=1 Exploring Operation: 4*5=20, Resulting Numbers: [39, 20] Generated Node #0,1,1: 11:[39, 20] Operation: 4*5=20 Exploring Operation: 4+5=9, Resulting Numbers: [39, 9] Generated Node #0,1,2: 11:[39, 9] Operation: 4+5=9 Exploring Operation: 39-4=35, Resulting Numbers: [5, 35] Generated Node #0,1,3: 11:[5, 35] Operation: 39-4=35 Exploring Operation: 39-5=34, Resulting Numbers: [4, 34] Generated Node #0,1,4: 11:[4, 34] Operation: 39-5=34 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 11:[39, 9], Operations: ['74-35=39', '4+5=9'] Exploring Operation: 39*9=351, Resulting Numbers: [351] 351,11 unequal: No Solution Exploring Operation: 39-9=30, Resulting Numbers: [30] 30,11 unequal: No Solution Exploring Operation: 39+9=48, Resulting Numbers: [48] 48,11 unequal: No Solution No 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: 11:[5, 35], Operations: ['74-35=39', '39-4=35'] Exploring Operation: 5*35=175, Resulting Numbers: [175] 175,11 unequal: No Solution Exploring Operation: 35/5=7, Resulting Numbers: [7] 7,11 unequal: No Solution Exploring Operation: 35-5=30, Resulting Numbers: [30] 30,11 unequal: No Solution Exploring Operation: 5+35=40, Resulting Numbers: [40] 40,11 unequal: No Solution No 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: 11:[4, 34], Operations: ['74-35=39', '39-5=34'] Exploring Operation: 4+34=38, Resulting Numbers: [38] 38,11 unequal: No Solution Exploring Operation: 4*34=136, Resulting Numbers: [136] 136,11 unequal: No Solution Exploring Operation: 34-4=30, Resulting Numbers: [30] 30,11 unequal: No Solution No 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: 11:[39, 20], Operations: ['74-35=39', '4*5=20'] Exploring Operation: 39+20=59, Resulting Numbers: [59] 59,11 unequal: No Solution Exploring Operation: 39*20=780, Resulting Numbers: [780] 780,11 unequal: No Solution Exploring Operation: 39-20=19, Resulting Numbers: [19] 19,11 unequal: No Solution No 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: 11:[39, 1], Operations: ['74-35=39', '5-4=1'] Exploring Operation: 39/1=39, Resulting Numbers: [39] 39,11 unequal: No Solution Exploring Operation: 39*1=39, Resulting Numbers: [39] 39,11 unequal: No Solution Exploring Operation: 39-1=38, Resulting Numbers: [38] 38,11 unequal: No Solution Exploring Operation: 39+1=40, Resulting Numbers: [40] 40,11 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 11:[74, 4, 7], Operations: ['35/5=7'] Exploring Operation: 74-4=70, Resulting Numbers: [7, 70] Generated Node #0,0,0: 11:[7, 70] Operation: 74-4=70 Exploring Operation: 7-4=3, Resulting Numbers: [74, 3] Generated Node #0,0,1: 11:[74, 3] Operation: 7-4=3 Exploring Operation: 74+4=78, Resulting Numbers: [7, 78] Generated Node #0,0,2: 11:[7, 78] Operation: 74+4=78 Exploring Operation: 4+7=11, Resulting Numbers: [74, 11] Generated Node #0,0,3: 11:[74, 11] Operation: 4+7=11 Exploring Operation: 74-7=67, Resulting Numbers: [4, 67] Generated Node #0,0,4: 11:[4, 67] Operation: 74-7=67 Moving to Node #0,0,0 Current State: 11:[7, 70], Operations: ['35/5=7', '74-4=70'] Exploring Operation: 7*70=490, Resulting Numbers: [490] 490,11 unequal: No Solution Exploring Operation: 70/7=10, Resulting Numbers: [10] 10,11 unequal: No Solution Exploring Operation: 7+70=77, Resulting Numbers: [77] 77,11 unequal: No Solution Exploring Operation: 70-7=63, Resulting Numbers: [63] 63,11 unequal: No Solution Moving to Node #0,0,4 Current State: 11:[4, 67], Operations: ['35/5=7', '74-7=67'] Exploring Operation: 4*67=268, Resulting Numbers: [268] 268,11 unequal: No Solution Exploring Operation: 4+67=71, Resulting Numbers: [71] 71,11 unequal: No Solution Exploring Operation: 67-4=63, Resulting Numbers: [63] 63,11 unequal: No Solution Moving to Node #0,0,3 Current State: 11:[74, 11], Operations: ['35/5=7', '4+7=11'] Exploring Operation: 74*11=814, Resulting Numbers: [814] 814,11 unequal: No Solution Exploring Operation: 74+11=85, Resulting Numbers: [85] 85,11 unequal: No Solution Exploring Operation: 74-11=63, Resulting Numbers: [63] 63,11 unequal: No Solution Moving to Node #0,0,1 Current State: 11:[74, 3], Operations: ['35/5=7', '7-4=3'] Exploring Operation: 74-3=71, Resulting Numbers: [71] 71,11 unequal: No Solution Exploring Operation: 74*3=222, Resulting Numbers: [222] 222,11 unequal: No Solution Exploring Operation: 74+3=77, Resulting Numbers: [77] 77,11 unequal: No Solution Moving to Node #0,0,2 Current State: 11:[7, 78], Operations: ['35/5=7', '74+4=78'] Exploring Operation: 7+78=85, Resulting Numbers: [85] 85,11 unequal: No Solution Exploring Operation: 7*78=546, Resulting Numbers: [546] 546,11 unequal: No Solution Exploring Operation: 78-7=71, Resulting Numbers: [71] 71,11 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 #0,2 Current State: 11:[35, 5, 70], Operations: ['74-4=70'] Exploring Operation: 70-35=35, Resulting Numbers: [5, 35] Generated Node #0,2,0: 11:[5, 35] Operation: 70-35=35 Exploring Operation: 35-5=30, Resulting Numbers: [70, 30] Generated Node #0,2,1: 11:[70, 30] Operation: 35-5=30 Exploring Operation: 70/35=2, Resulting Numbers: [5, 2] Generated Node #0,2,2: 11:[5, 2] Operation: 70/35=2 Exploring Operation: 70/5=14, Resulting Numbers: [35, 14] Generated Node #0,2,3: 11:[35, 14] Operation: 70/5=14 Exploring Operation: 35/5=7, Resulting Numbers: [70, 7] Generated Node #0,2,4: 11:[70, 7] Operation: 35/5=7 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 11:[5, 2], Operations: ['74-4=70', '70/35=2'] Exploring Operation: 5-2=3, Resulting Numbers: [3] 3,11 unequal: No Solution Exploring Operation: 5*2=10, Resulting Numbers: [10] 10,11 unequal: No Solution Exploring Operation: 5+2=7, Resulting Numbers: [7] 7,11 unequal: No Solution No 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: 11:[35, 14], Operations: ['74-4=70', '70/5=14'] Exploring Operation: 35+14=49, Resulting Numbers: [49] 49,11 unequal: No Solution Exploring Operation: 35-14=21, Resulting Numbers: [21] 21,11 unequal: No Solution Exploring Operation: 35*14=490, Resulting Numbers: [490] 490,11 unequal: No Solution No 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: 11:[5, 35], Operations: ['74-4=70', '70-35=35'] Exploring Operation: 5*35=175, Resulting Numbers: [175] 175,11 unequal: No Solution Exploring Operation: 35/5=7, Resulting Numbers: [7] 7,11 unequal: No Solution Exploring Operation: 35-5=30, Resulting Numbers: [30] 30,11 unequal: No Solution Exploring Operation: 5+35=40, Resulting Numbers: [40] 40,11 unequal: No Solution No 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: 11:[70, 7], Operations: ['74-4=70', '35/5=7'] Exploring Operation: 70+7=77, Resulting Numbers: [77] 77,11 unequal: No Solution Exploring Operation: 70/7=10, Resulting Numbers: [10] 10,11 unequal: No Solution Exploring Operation: 70*7=490, Resulting Numbers: [490] 490,11 unequal: No Solution Exploring Operation: 70-7=63, Resulting Numbers: [63] 63,11 unequal: No Solution No 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: 11:[70, 30], Operations: ['74-4=70', '35-5=30'] Exploring Operation: 70-30=40, Resulting Numbers: [40] 40,11 unequal: No Solution Exploring Operation: 70*30=2100, Resulting Numbers: [2100] 2100,11 unequal: No Solution Exploring Operation: 70+30=100, Resulting Numbers: [100] 100,11 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 11:[74, 4, 30], Operations: ['35-5=30'] Exploring Operation: 74-4=70, Resulting Numbers: [30, 70] Generated Node #0,3,0: 11:[30, 70] Operation: 74-4=70 Exploring Operation: 30-4=26, Resulting Numbers: [74, 26] Generated Node #0,3,1: 11:[74, 26] Operation: 30-4=26 Exploring Operation: 74+4=78, Resulting Numbers: [30, 78] Generated Node #0,3,2: 11:[30, 78] Operation: 74+4=78 Exploring Operation: 4+30=34, Resulting Numbers: [74, 34] Generated Node #0,3,3: 11:[74, 34] Operation: 4+30=34 Exploring Operation: 74-30=44, Resulting Numbers: [4, 44] Generated Node #0,3,4: 11:[4, 44] Operation: 74-30=44 Moving to Node #0,3,4 Current State: 11:[4, 44], Operations: ['35-5=30', '74-30=44'] Exploring Operation: 44/4=11, Resulting Numbers: [11] 11,11 equal: Goal Reached Moving to Node #0 Current State: 11:[35, 74, 4, 5], Operations: [] Exploring Operation: 35-5=30, Resulting Numbers: [74, 4, 30] Generated Node #0,3: 11:[74, 4, 30] Operation: 35-5=30 Moving to Node #0,3 Current State: 11:[74, 4, 30], Operations: ['35-5=30'] Exploring Operation: 74-30=44, Resulting Numbers: [4, 44] Generated Node #0,3,4: 11:[4, 44] Operation: 74-30=44 Moving to Node #0,3,4 Current State: 11:[4, 44], Operations: ['35-5=30', '74-30=44'] Exploring Operation: 44/4=11, Resulting Numbers: [11] 11,11 equal: Goal Reached Exit Sub Search at level 1
0.930556
hs_5
sum_heuristic
[ 64, 96, 11, 71 ]
24
[ "64+11=75", "75-71=4", "96/4=24" ]
Current State: 24:[64, 96, 11, 71], Operations: [] Exploring Operation: 64+11=75, Resulting Numbers: [96, 71, 75] Generated Node #2: [96, 71, 75] from Operation: 64+11=75 Current State: 24:[96, 71, 75], Operations: ['64+11=75'] Exploring Operation: 75-71=4, Resulting Numbers: [96, 4] Generated Node #3: [96, 4] from Operation: 75-71=4 Current State: 24:[96, 4], Operations: ['64+11=75', '75-71=4'] Exploring Operation: 96/4=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
4
Current State: 24:[64, 96, 11, 71], Operations: [] Exploring Operation: 96-71=25, Resulting Numbers: [64, 11, 25] Generated Node #0,0: 24:[64, 11, 25] Operation: 96-71=25 Exploring Operation: 96-64=32, Resulting Numbers: [11, 71, 32] Generated Node #0,1: 24:[11, 71, 32] Operation: 96-64=32 Start Sub Search at level 1: Moving to Node #0,0 Current State: 24:[64, 11, 25], Operations: ['96-71=25'] Exploring Operation: 64-25=39, Resulting Numbers: [11, 39] Generated Node #0,0,0: 24:[11, 39] Operation: 64-25=39 Exploring Operation: 64-11=53, Resulting Numbers: [25, 53] Generated Node #0,0,1: 24:[25, 53] Operation: 64-11=53 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 24:[11, 39], Operations: ['96-71=25', '64-25=39'] Exploring Operation: 39-11=28, Resulting Numbers: [28] 28,24 unequal: No Solution Exploring Operation: 11+39=50, Resulting Numbers: [50] 50,24 unequal: No Solution No 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: 24:[25, 53], Operations: ['96-71=25', '64-11=53'] Exploring Operation: 25+53=78, Resulting Numbers: [78] 78,24 unequal: No Solution Exploring Operation: 53-25=28, Resulting Numbers: [28] 28,24 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: 24:[11, 71, 32], Operations: ['96-64=32'] Exploring Operation: 71-11=60, Resulting Numbers: [32, 60] Generated Node #0,1,0: 24:[32, 60] Operation: 71-11=60 Exploring Operation: 71-32=39, Resulting Numbers: [11, 39] Generated Node #0,1,1: 24:[11, 39] Operation: 71-32=39 Moving to Node #0,1,1 Current State: 24:[11, 39], Operations: ['96-64=32', '71-32=39'] Exploring Operation: 11+39=50, Resulting Numbers: [50] 50,24 unequal: No Solution Exploring Operation: 39-11=28, Resulting Numbers: [28] 28,24 unequal: No Solution Moving to Node #0,1,0 Current State: 24:[32, 60], Operations: ['96-64=32', '71-11=60'] Exploring Operation: 60-32=28, Resulting Numbers: [28] 28,24 unequal: No Solution Exploring Operation: 32+60=92, Resulting Numbers: [92] 92,24 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 27, 88, 42, 66 ]
37
[ "88-27=61", "66-42=24", "61-24=37" ]
Current State: 37:[27, 88, 42, 66], Operations: [] Exploring Operation: 88-27=61, Resulting Numbers: [42, 66, 61] Generated Node #2: [42, 66, 61] from Operation: 88-27=61 Current State: 37:[42, 66, 61], Operations: ['88-27=61'] Exploring Operation: 66-42=24, Resulting Numbers: [61, 24] Generated Node #3: [61, 24] from Operation: 66-42=24 Current State: 37:[61, 24], Operations: ['88-27=61', '66-42=24'] Exploring Operation: 61-24=37, Resulting Numbers: [37] 37,37 equal: Goal Reached
4
Current State: 37:[27, 88, 42, 66], Operations: [] Exploring Operation: 88-66=22, Resulting Numbers: [27, 42, 22] Generated Node #0,0: 37:[27, 42, 22] Operation: 88-66=22 Exploring Operation: 88-42=46, Resulting Numbers: [27, 66, 46] Generated Node #0,1: 37:[27, 66, 46] Operation: 88-42=46 Exploring Operation: 66-27=39, Resulting Numbers: [88, 42, 39] Generated Node #0,2: 37:[88, 42, 39] Operation: 66-27=39 Exploring Operation: 88-27=61, Resulting Numbers: [42, 66, 61] Generated Node #0,3: 37:[42, 66, 61] Operation: 88-27=61 Exploring Operation: 66-42=24, Resulting Numbers: [27, 88, 24] Generated Node #0,4: 37:[27, 88, 24] Operation: 66-42=24 Start Sub Search at level 1: Moving to Node #0,0 Current State: 37:[27, 42, 22], Operations: ['88-66=22'] Exploring Operation: 42-27=15, Resulting Numbers: [22, 15] Generated Node #0,0,0: 37:[22, 15] Operation: 42-27=15 Exploring Operation: 27-22=5, Resulting Numbers: [42, 5] Generated Node #0,0,1: 37:[42, 5] Operation: 27-22=5 Exploring Operation: 27+22=49, Resulting Numbers: [42, 49] Generated Node #0,0,2: 37:[42, 49] Operation: 27+22=49 Exploring Operation: 42-22=20, Resulting Numbers: [27, 20] Generated Node #0,0,3: 37:[27, 20] Operation: 42-22=20 Exploring Operation: 42+22=64, Resulting Numbers: [27, 64] Generated Node #0,0,4: 37:[27, 64] Operation: 42+22=64 Moving to Node #0,0,2 Current State: 37:[42, 49], Operations: ['88-66=22', '27+22=49'] Exploring Operation: 42+49=91, Resulting Numbers: [91] 91,37 unequal: No Solution Exploring Operation: 49-42=7, Resulting Numbers: [7] 7,37 unequal: No Solution Exploring Operation: 42*49=2058, Resulting Numbers: [2058] 2058,37 unequal: No Solution Moving to Node #0,0,3 Current State: 37:[27, 20], Operations: ['88-66=22', '42-22=20'] Exploring Operation: 27*20=540, Resulting Numbers: [540] 540,37 unequal: No Solution Exploring Operation: 27-20=7, Resulting Numbers: [7] 7,37 unequal: No Solution Exploring Operation: 27+20=47, Resulting Numbers: [47] 47,37 unequal: No Solution Moving to Node #0,0,0 Current State: 37:[22, 15], Operations: ['88-66=22', '42-27=15'] Exploring Operation: 22*15=330, Resulting Numbers: [330] 330,37 unequal: No Solution Exploring Operation: 22+15=37, Resulting Numbers: [37] 37,37 equal: Goal Reached Moving to Node #0 Current State: 37:[27, 88, 42, 66], Operations: [] Exploring Operation: 88-66=22, Resulting Numbers: [27, 42, 22] Generated Node #0,0: 37:[27, 42, 22] Operation: 88-66=22 Moving to Node #0,0 Current State: 37:[27, 42, 22], Operations: ['88-66=22'] Exploring Operation: 42-27=15, Resulting Numbers: [22, 15] Generated Node #0,0,0: 37:[22, 15] Operation: 42-27=15 Moving to Node #0,0,0 Current State: 37:[22, 15], Operations: ['88-66=22', '42-27=15'] Exploring Operation: 22+15=37, Resulting Numbers: [37] 37,37 equal: Goal Reached Exit Sub Search at level 1
0.980903
hs_5
sum_heuristic
[ 28, 27, 9, 66 ]
97
[ "28+66=94", "27/9=3", "94+3=97" ]
Current State: 97:[28, 27, 9, 66], Operations: [] Exploring Operation: 28+66=94, Resulting Numbers: [27, 9, 94] Generated Node #2: [27, 9, 94] from Operation: 28+66=94 Current State: 97:[27, 9, 94], Operations: ['28+66=94'] Exploring Operation: 27/9=3, Resulting Numbers: [94, 3] Generated Node #3: [94, 3] from Operation: 27/9=3 Current State: 97:[94, 3], Operations: ['28+66=94', '27/9=3'] Exploring Operation: 94+3=97, Resulting Numbers: [97] 97,97 equal: Goal Reached
4
Current State: 97:[28, 27, 9, 66], Operations: [] Exploring Operation: 28+27=55, Resulting Numbers: [9, 66, 55] Generated Node #0,0: 97:[9, 66, 55] Operation: 28+27=55 Start Sub Search at level 1: Moving to Node #0,0 Current State: 97:[9, 66, 55], Operations: ['28+27=55'] Exploring Operation: 9+66=75, Resulting Numbers: [55, 75] Generated Node #0,0,0: 97:[55, 75] Operation: 9+66=75 Moving to Node #0,0,0 Current State: 97:[55, 75], Operations: ['28+27=55', '9+66=75'] Exploring Operation: 55+75=130, Resulting Numbers: [130] 130,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 74, 75, 30, 81 ]
38
[ "74+75=149", "30+81=111", "149-111=38" ]
Current State: 38:[74, 75, 30, 81], Operations: [] Exploring Operation: 74+75=149, Resulting Numbers: [30, 81, 149] Generated Node #2: [30, 81, 149] from Operation: 74+75=149 Current State: 38:[30, 81, 149], Operations: ['74+75=149'] Exploring Operation: 30+81=111, Resulting Numbers: [149, 111] Generated Node #3: [149, 111] from Operation: 30+81=111 Current State: 38:[149, 111], Operations: ['74+75=149', '30+81=111'] Exploring Operation: 149-111=38, Resulting Numbers: [38] 38,38 equal: Goal Reached
4
Current State: 38:[74, 75, 30, 81], Operations: [] Exploring Operation: 75-74=1, Resulting Numbers: [30, 81, 1] Generated Node #0,0: 38:[30, 81, 1] Operation: 75-74=1 Exploring Operation: 81-74=7, Resulting Numbers: [75, 30, 7] Generated Node #0,1: 38:[75, 30, 7] Operation: 81-74=7 Exploring Operation: 74-30=44, Resulting Numbers: [75, 81, 44] Generated Node #0,2: 38:[75, 81, 44] Operation: 74-30=44 Exploring Operation: 81-75=6, Resulting Numbers: [74, 30, 6] Generated Node #0,3: 38:[74, 30, 6] Operation: 81-75=6 Start Sub Search at level 1: Moving to Node #0,3 Current State: 38:[74, 30, 6], Operations: ['81-75=6'] Exploring Operation: 30+6=36, Resulting Numbers: [74, 36] Generated Node #0,3,0: 38:[74, 36] Operation: 30+6=36 Exploring Operation: 30/6=5, Resulting Numbers: [74, 5] Generated Node #0,3,1: 38:[74, 5] Operation: 30/6=5 Exploring Operation: 74-6=68, Resulting Numbers: [30, 68] Generated Node #0,3,2: 38:[30, 68] Operation: 74-6=68 Exploring Operation: 74-30=44, Resulting Numbers: [6, 44] Generated Node #0,3,3: 38:[6, 44] Operation: 74-30=44 Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 38:[6, 44], Operations: ['81-75=6', '74-30=44'] Exploring Operation: 44-6=38, Resulting Numbers: [38] 38,38 equal: Goal Reached Moving to Node #0 Current State: 38:[74, 75, 30, 81], Operations: [] Exploring Operation: 81-75=6, Resulting Numbers: [74, 30, 6] Generated Node #0,3: 38:[74, 30, 6] Operation: 81-75=6 Moving to Node #0,3 Current State: 38:[74, 30, 6], Operations: ['81-75=6'] Exploring Operation: 74-30=44, Resulting Numbers: [6, 44] Generated Node #0,3,3: 38:[6, 44] Operation: 74-30=44 Moving to Node #0,3,3 Current State: 38:[6, 44], Operations: ['81-75=6', '74-30=44'] Exploring Operation: 44-6=38, Resulting Numbers: [38] 38,38 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.988715
hs_4
mult_heuristic
[ 87, 89, 87, 59 ]
73
[ "89-87=2", "87+59=146", "146/2=73" ]
Current State: 73:[87, 89, 87, 59], Operations: [] Exploring Operation: 89-87=2, Resulting Numbers: [59, 2] Generated Node #2: [59, 2] from Operation: 89-87=2 Current State: 73:[59, 2], Operations: ['89-87=2'] Exploring Operation: 87+59=146, Resulting Numbers: [2, 146] Generated Node #3: [2, 146] from Operation: 87+59=146 Current State: 73:[2, 146], Operations: ['89-87=2', '87+59=146'] Exploring Operation: 146/2=73, Resulting Numbers: [73] 73,73 equal: Goal Reached
4
Current State: 73:[87, 89, 87, 59], Operations: [] Exploring Operation: 87-59=28, Resulting Numbers: [87, 89, 28] Generated Node #0,0: 73:[87, 89, 28] Operation: 87-59=28 Exploring Operation: 89-59=30, Resulting Numbers: [87, 87, 30] Generated Node #0,1: 73:[87, 87, 30] Operation: 89-59=30 Exploring Operation: 89-87=2, Resulting Numbers: [87, 59, 2] Generated Node #0,2: 73:[87, 59, 2] Operation: 89-87=2 Exploring Operation: 87-59=28, Resulting Numbers: [89, 87, 28] Generated Node #0,3: 73:[89, 87, 28] Operation: 87-59=28 Exploring Operation: 89-87=2, Resulting Numbers: [87, 59, 2] Generated Node #0,4: 73:[87, 59, 2] Operation: 89-87=2 Start Sub Search at level 1: Moving to Node #0,1 Current State: 73:[87, 87, 30], Operations: ['89-59=30'] Exploring Operation: 87+30=117, Resulting Numbers: [87, 117] Generated Node #0,1,0: 73:[87, 117] Operation: 87+30=117 Exploring Operation: 87-30=57, Resulting Numbers: [87, 57] Generated Node #0,1,1: 73:[87, 57] Operation: 87-30=57 Exploring Operation: 87-30=57, Resulting Numbers: [87, 57] Generated Node #0,1,2: 73:[87, 57] Operation: 87-30=57 Exploring Operation: 87+30=117, Resulting Numbers: [87, 117] Generated Node #0,1,3: 73:[87, 117] Operation: 87+30=117 Exploring Operation: 87/87=1, Resulting Numbers: [30, 1] Generated Node #0,1,4: 73:[30, 1] Operation: 87/87=1 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 73:[87, 57], Operations: ['89-59=30', '87-30=57'] Exploring Operation: 87-57=30, Resulting Numbers: [30] 30,73 unequal: No Solution Exploring Operation: 87*57=4959, Resulting Numbers: [4959] 4959,73 unequal: No Solution Exploring Operation: 87+57=144, Resulting Numbers: [144] 144,73 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 #0,1,2 Current State: 73:[87, 57], Operations: ['89-59=30', '87-30=57'] Exploring Operation: 87+57=144, Resulting Numbers: [144] 144,73 unequal: No Solution Exploring Operation: 87-57=30, Resulting Numbers: [30] 30,73 unequal: No Solution Exploring Operation: 87*57=4959, Resulting Numbers: [4959] 4959,73 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 #0,1,0 Current State: 73:[87, 117], Operations: ['89-59=30', '87+30=117'] Exploring Operation: 87+117=204, Resulting Numbers: [204] 204,73 unequal: No Solution Exploring Operation: 117-87=30, Resulting Numbers: [30] 30,73 unequal: No Solution Exploring Operation: 87*117=10179, Resulting Numbers: [10179] 10179,73 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 #0,1,3 Current State: 73:[87, 117], Operations: ['89-59=30', '87+30=117'] Exploring Operation: 87+117=204, Resulting Numbers: [204] 204,73 unequal: No Solution Exploring Operation: 117-87=30, Resulting Numbers: [30] 30,73 unequal: No Solution Exploring Operation: 87*117=10179, Resulting Numbers: [10179] 10179,73 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 #0,1,4 Current State: 73:[30, 1], Operations: ['89-59=30', '87/87=1'] Exploring Operation: 30/1=30, Resulting Numbers: [30] 30,73 unequal: No Solution Exploring Operation: 30*1=30, Resulting Numbers: [30] 30,73 unequal: No Solution Exploring Operation: 30-1=29, Resulting Numbers: [29] 29,73 unequal: No Solution Exploring Operation: 30+1=31, Resulting Numbers: [31] 31,73 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 Start Sub Search at level 1: Moving to Node #0,0 Current State: 73:[87, 89, 28], Operations: ['87-59=28'] Exploring Operation: 89+28=117, Resulting Numbers: [87, 117] Generated Node #0,0,0: 73:[87, 117] Operation: 89+28=117 Exploring Operation: 89-87=2, Resulting Numbers: [28, 2] Generated Node #0,0,1: 73:[28, 2] Operation: 89-87=2 Exploring Operation: 87-28=59, Resulting Numbers: [89, 59] Generated Node #0,0,2: 73:[89, 59] Operation: 87-28=59 Exploring Operation: 89-28=61, Resulting Numbers: [87, 61] Generated Node #0,0,3: 73:[87, 61] Operation: 89-28=61 Exploring Operation: 87+28=115, Resulting Numbers: [89, 115] Generated Node #0,0,4: 73:[89, 115] Operation: 87+28=115 Moving to Node #0,0,3 Current State: 73:[87, 61], Operations: ['87-59=28', '89-28=61'] Exploring Operation: 87+61=148, Resulting Numbers: [148] 148,73 unequal: No Solution Exploring Operation: 87*61=5307, Resulting Numbers: [5307] 5307,73 unequal: No Solution Exploring Operation: 87-61=26, Resulting Numbers: [26] 26,73 unequal: No Solution Moving to Node #0,0,2 Current State: 73:[89, 59], Operations: ['87-59=28', '87-28=59'] Exploring Operation: 89*59=5251, Resulting Numbers: [5251] 5251,73 unequal: No Solution Exploring Operation: 89-59=30, Resulting Numbers: [30] 30,73 unequal: No Solution Exploring Operation: 89+59=148, Resulting Numbers: [148] 148,73 unequal: No Solution Moving to Node #0,0,0 Current State: 73:[87, 117], Operations: ['87-59=28', '89+28=117'] Exploring Operation: 87+117=204, Resulting Numbers: [204] 204,73 unequal: No Solution Exploring Operation: 87*117=10179, Resulting Numbers: [10179] 10179,73 unequal: No Solution Exploring Operation: 117-87=30, Resulting Numbers: [30] 30,73 unequal: No Solution Moving to Node #0,0,4 Current State: 73:[89, 115], Operations: ['87-59=28', '87+28=115'] Exploring Operation: 115-89=26, Resulting Numbers: [26] 26,73 unequal: No Solution Exploring Operation: 89*115=10235, Resulting Numbers: [10235] 10235,73 unequal: No Solution Exploring Operation: 89+115=204, Resulting Numbers: [204] 204,73 unequal: No Solution Moving to Node #0,0,1 Current State: 73:[28, 2], Operations: ['87-59=28', '89-87=2'] Exploring Operation: 28*2=56, Resulting Numbers: [56] 56,73 unequal: No Solution Exploring Operation: 28+2=30, Resulting Numbers: [30] 30,73 unequal: No Solution Exploring Operation: 28/2=14, Resulting Numbers: [14] 14,73 unequal: No Solution Exploring Operation: 28-2=26, Resulting Numbers: [26] 26,73 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 #0,3 Current State: 73:[89, 87, 28], Operations: ['87-59=28'] Exploring Operation: 87+28=115, Resulting Numbers: [89, 115] Generated Node #0,3,0: 73:[89, 115] Operation: 87+28=115 Exploring Operation: 87-28=59, Resulting Numbers: [89, 59] Generated Node #0,3,1: 73:[89, 59] Operation: 87-28=59 Exploring Operation: 89+28=117, Resulting Numbers: [87, 117] Generated Node #0,3,2: 73:[87, 117] Operation: 89+28=117 Exploring Operation: 89-28=61, Resulting Numbers: [87, 61] Generated Node #0,3,3: 73:[87, 61] Operation: 89-28=61 Exploring Operation: 89-87=2, Resulting Numbers: [28, 2] Generated Node #0,3,4: 73:[28, 2] Operation: 89-87=2 Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 73:[87, 61], Operations: ['87-59=28', '89-28=61'] Exploring Operation: 87-61=26, Resulting Numbers: [26] 26,73 unequal: No Solution Exploring Operation: 87+61=148, Resulting Numbers: [148] 148,73 unequal: No Solution Exploring Operation: 87*61=5307, Resulting Numbers: [5307] 5307,73 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 #0,3,1 Current State: 73:[89, 59], Operations: ['87-59=28', '87-28=59'] Exploring Operation: 89+59=148, Resulting Numbers: [148] 148,73 unequal: No Solution Exploring Operation: 89-59=30, Resulting Numbers: [30] 30,73 unequal: No Solution Exploring Operation: 89*59=5251, Resulting Numbers: [5251] 5251,73 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 #0,3,0 Current State: 73:[89, 115], Operations: ['87-59=28', '87+28=115'] Exploring Operation: 89*115=10235, Resulting Numbers: [10235] 10235,73 unequal: No Solution Exploring Operation: 89+115=204, Resulting Numbers: [204] 204,73 unequal: No Solution Exploring Operation: 115-89=26, Resulting Numbers: [26] 26,73 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 #0,3,2 Current State: 73:[87, 117], Operations: ['87-59=28', '89+28=117'] Exploring Operation: 87*117=10179, Resulting Numbers: [10179] 10179,73 unequal: No Solution Exploring Operation: 117-87=30, Resulting Numbers: [30] 30,73 unequal: No Solution Exploring Operation: 87+117=204, Resulting Numbers: [204] 204,73 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 #0,3,4 Current State: 73:[28, 2], Operations: ['87-59=28', '89-87=2'] Exploring Operation: 28*2=56, Resulting Numbers: [56] 56,73 unequal: No Solution Exploring Operation: 28/2=14, Resulting Numbers: [14] 14,73 unequal: No Solution Exploring Operation: 28+2=30, Resulting Numbers: [30] 30,73 unequal: No Solution Exploring Operation: 28-2=26, Resulting Numbers: [26] 26,73 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 Start Sub Search at level 1: Moving to Node #0,2 Current State: 73:[87, 59, 2], Operations: ['89-87=2'] Exploring Operation: 59+2=61, Resulting Numbers: [87, 61] Generated Node #0,2,0: 73:[87, 61] Operation: 59+2=61 Exploring Operation: 87+2=89, Resulting Numbers: [59, 89] Generated Node #0,2,1: 73:[59, 89] Operation: 87+2=89 Exploring Operation: 87-2=85, Resulting Numbers: [59, 85] Generated Node #0,2,2: 73:[59, 85] Operation: 87-2=85 Exploring Operation: 59*2=118, Resulting Numbers: [87, 118] Generated Node #0,2,3: 73:[87, 118] Operation: 59*2=118 Exploring Operation: 59-2=57, Resulting Numbers: [87, 57] Generated Node #0,2,4: 73:[87, 57] Operation: 59-2=57 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 73:[87, 61], Operations: ['89-87=2', '59+2=61'] Exploring Operation: 87+61=148, Resulting Numbers: [148] 148,73 unequal: No Solution Exploring Operation: 87*61=5307, Resulting Numbers: [5307] 5307,73 unequal: No Solution Exploring Operation: 87-61=26, Resulting Numbers: [26] 26,73 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 #0,2,2 Current State: 73:[59, 85], Operations: ['89-87=2', '87-2=85'] Exploring Operation: 59*85=5015, Resulting Numbers: [5015] 5015,73 unequal: No Solution Exploring Operation: 59+85=144, Resulting Numbers: [144] 144,73 unequal: No Solution Exploring Operation: 85-59=26, Resulting Numbers: [26] 26,73 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:[59, 89], Operations: ['89-87=2', '87+2=89'] Exploring Operation: 59+89=148, Resulting Numbers: [148] 148,73 unequal: No Solution Exploring Operation: 59*89=5251, Resulting Numbers: [5251] 5251,73 unequal: No Solution Exploring Operation: 89-59=30, Resulting Numbers: [30] 30,73 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 #0,2,4 Current State: 73:[87, 57], Operations: ['89-87=2', '59-2=57'] Exploring Operation: 87+57=144, Resulting Numbers: [144] 144,73 unequal: No Solution Exploring Operation: 87-57=30, Resulting Numbers: [30] 30,73 unequal: No Solution Exploring Operation: 87*57=4959, Resulting Numbers: [4959] 4959,73 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 #0,2,3 Current State: 73:[87, 118], Operations: ['89-87=2', '59*2=118'] Exploring Operation: 118-87=31, Resulting Numbers: [31] 31,73 unequal: No Solution Exploring Operation: 87+118=205, Resulting Numbers: [205] 205,73 unequal: No Solution Exploring Operation: 87*118=10266, Resulting Numbers: [10266] 10266,73 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 Start Sub Search at level 1: Moving to Node #0,4 Current State: 73:[87, 59, 2], Operations: ['89-87=2'] Exploring Operation: 59*2=118, Resulting Numbers: [87, 118] Generated Node #0,4,0: 73:[87, 118] Operation: 59*2=118 Exploring Operation: 87+2=89, Resulting Numbers: [59, 89] Generated Node #0,4,1: 73:[59, 89] Operation: 87+2=89 Exploring Operation: 87-2=85, Resulting Numbers: [59, 85] Generated Node #0,4,2: 73:[59, 85] Operation: 87-2=85 Exploring Operation: 59+2=61, Resulting Numbers: [87, 61] Generated Node #0,4,3: 73:[87, 61] Operation: 59+2=61 Exploring Operation: 59-2=57, Resulting Numbers: [87, 57] Generated Node #0,4,4: 73:[87, 57] Operation: 59-2=57 Moving to Node #0,4,2 Current State: 73:[59, 85], Operations: ['89-87=2', '87-2=85'] Exploring Operation: 59*85=5015, Resulting Numbers: [5015] 5015,73 unequal: No Solution Exploring Operation: 59+85=144, Resulting Numbers: [144] 144,73 unequal: No Solution Exploring Operation: 85-59=26, Resulting Numbers: [26] 26,73 unequal: No Solution Moving to Node #0,4,3 Current State: 73:[87, 61], Operations: ['89-87=2', '59+2=61'] Exploring Operation: 87-61=26, Resulting Numbers: [26] 26,73 unequal: No Solution Exploring Operation: 87*61=5307, Resulting Numbers: [5307] 5307,73 unequal: No Solution Exploring Operation: 87+61=148, Resulting Numbers: [148] 148,73 unequal: No Solution Moving to Node #0,4,1 Current State: 73:[59, 89], Operations: ['89-87=2', '87+2=89'] Exploring Operation: 59*89=5251, Resulting Numbers: [5251] 5251,73 unequal: No Solution Exploring Operation: 59+89=148, Resulting Numbers: [148] 148,73 unequal: No Solution Exploring Operation: 89-59=30, Resulting Numbers: [30] 30,73 unequal: No Solution Moving to Node #0,4,4 Current State: 73:[87, 57], Operations: ['89-87=2', '59-2=57'] Exploring Operation: 87-57=30, Resulting Numbers: [30] 30,73 unequal: No Solution Exploring Operation: 87*57=4959, Resulting Numbers: [4959] 4959,73 unequal: No Solution Exploring Operation: 87+57=144, Resulting Numbers: [144] 144,73 unequal: No Solution Moving to Node #0,4,0 Current State: 73:[87, 118], Operations: ['89-87=2', '59*2=118'] Exploring Operation: 87*118=10266, Resulting Numbers: [10266] 10266,73 unequal: No Solution Exploring Operation: 118-87=31, Resulting Numbers: [31] 31,73 unequal: No Solution Exploring Operation: 87+118=205, Resulting Numbers: [205] 205,73 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
[ 54, 59, 13, 63 ]
63
[ "54+59=113", "63-13=50", "113-50=63" ]
Current State: 63:[54, 59, 13, 63], Operations: [] Exploring Operation: 54+59=113, Resulting Numbers: [13, 63, 113] Generated Node #2: [13, 63, 113] from Operation: 54+59=113 Current State: 63:[13, 63, 113], Operations: ['54+59=113'] Exploring Operation: 63-13=50, Resulting Numbers: [113, 50] Generated Node #3: [113, 50] from Operation: 63-13=50 Current State: 63:[113, 50], Operations: ['54+59=113', '63-13=50'] Exploring Operation: 113-50=63, Resulting Numbers: [63] 63,63 equal: Goal Reached
4
Current State: 63:[54, 59, 13, 63], Operations: [] Exploring Operation: 63-54=9, Resulting Numbers: [59, 13, 9] Generated Node #0,0: 63:[59, 13, 9] Operation: 63-54=9 Exploring Operation: 59-54=5, Resulting Numbers: [13, 63, 5] Generated Node #0,1: 63:[13, 63, 5] Operation: 59-54=5 Exploring Operation: 63-59=4, Resulting Numbers: [54, 13, 4] Generated Node #0,2: 63:[54, 13, 4] Operation: 63-59=4 Exploring Operation: 54+13=67, Resulting Numbers: [59, 63, 67] Generated Node #0,3: 63:[59, 63, 67] Operation: 54+13=67 Moving to Node #0,1 Current State: 63:[13, 63, 5], Operations: ['59-54=5'] Exploring Operation: 13-5=8, Resulting Numbers: [63, 8] Generated Node #0,1,0: 63:[63, 8] Operation: 13-5=8 Exploring Operation: 13+5=18, Resulting Numbers: [63, 18] Generated Node #0,1,1: 63:[63, 18] Operation: 13+5=18 Exploring Operation: 13*5=65, Resulting Numbers: [63, 65] Generated Node #0,1,2: 63:[63, 65] Operation: 13*5=65 Exploring Operation: 63+5=68, Resulting Numbers: [13, 68] Generated Node #0,1,3: 63:[13, 68] Operation: 63+5=68 Moving to Node #0,3 Current State: 63:[59, 63, 67], Operations: ['54+13=67'] Exploring Operation: 67-59=8, Resulting Numbers: [63, 8] Generated Node #0,3,0: 63:[63, 8] Operation: 67-59=8 Exploring Operation: 67-63=4, Resulting Numbers: [59, 4] Generated Node #0,3,1: 63:[59, 4] Operation: 67-63=4 Exploring Operation: 63-59=4, Resulting Numbers: [67, 4] Generated Node #0,3,2: 63:[67, 4] Operation: 63-59=4 Exploring Operation: 59+63=122, Resulting Numbers: [67, 122] Generated Node #0,3,3: 63:[67, 122] Operation: 59+63=122 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 63:[63, 8], Operations: ['54+13=67', '67-59=8'] Exploring Operation: 63+8=71, Resulting Numbers: [71] 71,63 unequal: No Solution Exploring Operation: 63*8=504, Resulting Numbers: [504] 504,63 unequal: No Solution Exploring Operation: 63-8=55, Resulting Numbers: [55] 55,63 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:[59, 4], Operations: ['54+13=67', '67-63=4'] Exploring Operation: 59*4=236, Resulting Numbers: [236] 236,63 unequal: No Solution Exploring Operation: 59-4=55, Resulting Numbers: [55] 55,63 unequal: No Solution Exploring Operation: 59+4=63, Resulting Numbers: [63] 63,63 equal: Goal Reached Moving to Node #0 Current State: 63:[54, 59, 13, 63], Operations: [] Exploring Operation: 54+13=67, Resulting Numbers: [59, 63, 67] Generated Node #0,3: 63:[59, 63, 67] Operation: 54+13=67 Moving to Node #0,3 Current State: 63:[59, 63, 67], Operations: ['54+13=67'] Exploring Operation: 67-63=4, Resulting Numbers: [59, 4] Generated Node #0,3,1: 63:[59, 4] Operation: 67-63=4 Moving to Node #0,3,1 Current State: 63:[59, 4], Operations: ['54+13=67', '67-63=4'] Exploring Operation: 59+4=63, Resulting Numbers: [63] 63,63 equal: Goal Reached Exit Sub Search at level 1
0.980903
hs_4
sum_heuristic
[ 42, 72, 57, 65 ]
33
[ "65-57=8", "72/8=9", "42-9=33" ]
Current State: 33:[42, 72, 57, 65], Operations: [] Exploring Operation: 65-57=8, Resulting Numbers: [42, 72, 8] Generated Node #2: [42, 72, 8] from Operation: 65-57=8 Current State: 33:[42, 72, 8], Operations: ['65-57=8'] Exploring Operation: 72/8=9, Resulting Numbers: [42, 9] Generated Node #3: [42, 9] from Operation: 72/8=9 Current State: 33:[42, 9], Operations: ['65-57=8', '72/8=9'] Exploring Operation: 42-9=33, Resulting Numbers: [33] 33,33 equal: Goal Reached
4
Current State: 33:[42, 72, 57, 65], Operations: [] Exploring Operation: 65-57=8, Resulting Numbers: [42, 72, 8] Generated Node #0,0: 33:[42, 72, 8] Operation: 65-57=8 Exploring Operation: 72-57=15, Resulting Numbers: [42, 65, 15] Generated Node #0,1: 33:[42, 65, 15] Operation: 72-57=15 Exploring Operation: 72-65=7, Resulting Numbers: [42, 57, 7] Generated Node #0,2: 33:[42, 57, 7] Operation: 72-65=7 Start Sub Search at level 1: Moving to Node #0,2 Current State: 33:[42, 57, 7], Operations: ['72-65=7'] Exploring Operation: 42-7=35, Resulting Numbers: [57, 35] Generated Node #0,2,0: 33:[57, 35] Operation: 42-7=35 Exploring Operation: 57-7=50, Resulting Numbers: [42, 50] Generated Node #0,2,1: 33:[42, 50] Operation: 57-7=50 Exploring Operation: 57-42=15, Resulting Numbers: [7, 15] Generated Node #0,2,2: 33:[7, 15] Operation: 57-42=15 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 33:[7, 15], Operations: ['72-65=7', '57-42=15'] Exploring Operation: 7*15=105, Resulting Numbers: [105] 105,33 unequal: No Solution Exploring Operation: 7+15=22, Resulting Numbers: [22] 22,33 unequal: No Solution Exploring Operation: 15-7=8, Resulting Numbers: [8] 8,33 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 33:[57, 35], Operations: ['72-65=7', '42-7=35'] Exploring Operation: 57*35=1995, Resulting Numbers: [1995] 1995,33 unequal: No Solution Exploring Operation: 57-35=22, Resulting Numbers: [22] 22,33 unequal: No Solution Exploring Operation: 57+35=92, Resulting Numbers: [92] 92,33 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 33:[42, 50], Operations: ['72-65=7', '57-7=50'] Exploring Operation: 50-42=8, Resulting Numbers: [8] 8,33 unequal: No Solution Exploring Operation: 42+50=92, Resulting Numbers: [92] 92,33 unequal: No Solution Exploring Operation: 42*50=2100, Resulting Numbers: [2100] 2100,33 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 33:[42, 65, 15], Operations: ['72-57=15'] Exploring Operation: 65-42=23, Resulting Numbers: [15, 23] Generated Node #0,1,0: 33:[15, 23] Operation: 65-42=23 Exploring Operation: 42-15=27, Resulting Numbers: [65, 27] Generated Node #0,1,1: 33:[65, 27] Operation: 42-15=27 Exploring Operation: 65-15=50, Resulting Numbers: [42, 50] Generated Node #0,1,2: 33:[42, 50] Operation: 65-15=50 Moving to Node #0,1,0 Current State: 33:[15, 23], Operations: ['72-57=15', '65-42=23'] Exploring Operation: 23-15=8, Resulting Numbers: [8] 8,33 unequal: No Solution Exploring Operation: 15+23=38, Resulting Numbers: [38] 38,33 unequal: No Solution Exploring Operation: 15*23=345, Resulting Numbers: [345] 345,33 unequal: No Solution Moving to Node #0,1,2 Current State: 33:[42, 50], Operations: ['72-57=15', '65-15=50'] Exploring Operation: 50-42=8, Resulting Numbers: [8] 8,33 unequal: No Solution Exploring Operation: 42+50=92, Resulting Numbers: [92] 92,33 unequal: No Solution Exploring Operation: 42*50=2100, Resulting Numbers: [2100] 2100,33 unequal: No Solution Moving to Node #0,1,1 Current State: 33:[65, 27], Operations: ['72-57=15', '42-15=27'] Exploring Operation: 65-27=38, Resulting Numbers: [38] 38,33 unequal: No Solution Exploring Operation: 65*27=1755, Resulting Numbers: [1755] 1755,33 unequal: No Solution Exploring Operation: 65+27=92, Resulting Numbers: [92] 92,33 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:[42, 72, 8], Operations: ['65-57=8'] Exploring Operation: 42-8=34, Resulting Numbers: [72, 34] Generated Node #0,0,0: 33:[72, 34] Operation: 42-8=34 Exploring Operation: 72/8=9, Resulting Numbers: [42, 9] Generated Node #0,0,1: 33:[42, 9] Operation: 72/8=9 Exploring Operation: 72-42=30, Resulting Numbers: [8, 30] Generated Node #0,0,2: 33:[8, 30] Operation: 72-42=30 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 33:[8, 30], Operations: ['65-57=8', '72-42=30'] Exploring Operation: 8*30=240, Resulting Numbers: [240] 240,33 unequal: No Solution Exploring Operation: 8+30=38, Resulting Numbers: [38] 38,33 unequal: No Solution Exploring Operation: 30-8=22, Resulting Numbers: [22] 22,33 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 33:[42, 9], Operations: ['65-57=8', '72/8=9'] Exploring Operation: 42+9=51, Resulting Numbers: [51] 51,33 unequal: No Solution Exploring Operation: 42-9=33, Resulting Numbers: [33] 33,33 equal: Goal Reached Moving to Node #0 Current State: 33:[42, 72, 57, 65], Operations: [] Exploring Operation: 65-57=8, Resulting Numbers: [42, 72, 8] Generated Node #0,0: 33:[42, 72, 8] Operation: 65-57=8 Moving to Node #0,0 Current State: 33:[42, 72, 8], Operations: ['65-57=8'] Exploring Operation: 72/8=9, Resulting Numbers: [42, 9] Generated Node #0,0,1: 33:[42, 9] Operation: 72/8=9 Moving to Node #0,0,1 Current State: 33:[42, 9], Operations: ['65-57=8', '72/8=9'] Exploring Operation: 42-9=33, Resulting Numbers: [33] 33,33 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.966146
hs_3
mult_heuristic
[ 5, 9, 85, 74 ]
34
[ "5*9=45", "85-74=11", "45-11=34" ]
Current State: 34:[5, 9, 85, 74], Operations: [] Exploring Operation: 5*9=45, Resulting Numbers: [85, 74, 45] Generated Node #2: [85, 74, 45] from Operation: 5*9=45 Current State: 34:[85, 74, 45], Operations: ['5*9=45'] Exploring Operation: 85-74=11, Resulting Numbers: [45, 11] Generated Node #3: [45, 11] from Operation: 85-74=11 Current State: 34:[45, 11], Operations: ['5*9=45', '85-74=11'] Exploring Operation: 45-11=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
4
Current State: 34:[5, 9, 85, 74], Operations: [] Exploring Operation: 85/5=17, Resulting Numbers: [9, 74, 17] Generated Node #0,0: 34:[9, 74, 17] Operation: 85/5=17 Exploring Operation: 9-5=4, Resulting Numbers: [85, 74, 4] Generated Node #0,1: 34:[85, 74, 4] Operation: 9-5=4 Exploring Operation: 85-9=76, Resulting Numbers: [5, 74, 76] Generated Node #0,2: 34:[5, 74, 76] Operation: 85-9=76 Exploring Operation: 74-9=65, Resulting Numbers: [5, 85, 65] Generated Node #0,3: 34:[5, 85, 65] Operation: 74-9=65 Exploring Operation: 85-74=11, Resulting Numbers: [5, 9, 11] Generated Node #0,4: 34:[5, 9, 11] Operation: 85-74=11 Moving to Node #0,4 Current State: 34:[5, 9, 11], Operations: ['85-74=11'] Exploring Operation: 5+11=16, Resulting Numbers: [9, 16] Generated Node #0,4,0: 34:[9, 16] Operation: 5+11=16 Exploring Operation: 9+11=20, Resulting Numbers: [5, 20] Generated Node #0,4,1: 34:[5, 20] Operation: 9+11=20 Exploring Operation: 5+9=14, Resulting Numbers: [11, 14] Generated Node #0,4,2: 34:[11, 14] Operation: 5+9=14 Exploring Operation: 9-5=4, Resulting Numbers: [11, 4] Generated Node #0,4,3: 34:[11, 4] Operation: 9-5=4 Exploring Operation: 11-9=2, Resulting Numbers: [5, 2] Generated Node #0,4,4: 34:[5, 2] Operation: 11-9=2 Moving to Node #0,0 Current State: 34:[9, 74, 17], Operations: ['85/5=17'] Exploring Operation: 9+74=83, Resulting Numbers: [17, 83] Generated Node #0,0,0: 34:[17, 83] Operation: 9+74=83 Exploring Operation: 74-9=65, Resulting Numbers: [17, 65] Generated Node #0,0,1: 34:[17, 65] Operation: 74-9=65 Exploring Operation: 17-9=8, Resulting Numbers: [74, 8] Generated Node #0,0,2: 34:[74, 8] Operation: 17-9=8 Exploring Operation: 9+17=26, Resulting Numbers: [74, 26] Generated Node #0,0,3: 34:[74, 26] Operation: 9+17=26 Exploring Operation: 74-17=57, Resulting Numbers: [9, 57] Generated Node #0,0,4: 34:[9, 57] Operation: 74-17=57 Moving to Node #0,2 Current State: 34:[5, 74, 76], Operations: ['85-9=76'] Exploring Operation: 5+76=81, Resulting Numbers: [74, 81] Generated Node #0,2,0: 34:[74, 81] Operation: 5+76=81 Exploring Operation: 76-5=71, Resulting Numbers: [74, 71] Generated Node #0,2,1: 34:[74, 71] Operation: 76-5=71 Exploring Operation: 74-5=69, Resulting Numbers: [76, 69] Generated Node #0,2,2: 34:[76, 69] Operation: 74-5=69 Exploring Operation: 76-74=2, Resulting Numbers: [5, 2] Generated Node #0,2,3: 34:[5, 2] Operation: 76-74=2 Exploring Operation: 5+74=79, Resulting Numbers: [76, 79] Generated Node #0,2,4: 34:[76, 79] Operation: 5+74=79 Moving to Node #0,3 Current State: 34:[5, 85, 65], Operations: ['74-9=65'] Exploring Operation: 85-65=20, Resulting Numbers: [5, 20] Generated Node #0,3,0: 34:[5, 20] Operation: 85-65=20 Exploring Operation: 85-5=80, Resulting Numbers: [65, 80] Generated Node #0,3,1: 34:[65, 80] Operation: 85-5=80 Exploring Operation: 65/5=13, Resulting Numbers: [85, 13] Generated Node #0,3,2: 34:[85, 13] Operation: 65/5=13 Exploring Operation: 85/5=17, Resulting Numbers: [65, 17] Generated Node #0,3,3: 34:[65, 17] Operation: 85/5=17 Exploring Operation: 65-5=60, Resulting Numbers: [85, 60] Generated Node #0,3,4: 34:[85, 60] Operation: 65-5=60 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 34:[5, 20], Operations: ['74-9=65', '85-65=20'] Exploring Operation: 20-5=15, Resulting Numbers: [15] 15,34 unequal: No Solution Exploring Operation: 20/5=4, Resulting Numbers: [4] 4,34 unequal: No Solution Exploring Operation: 5*20=100, Resulting Numbers: [100] 100,34 unequal: No Solution Exploring Operation: 5+20=25, Resulting Numbers: [25] 25,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 34:[65, 17], Operations: ['74-9=65', '85/5=17'] Exploring Operation: 65*17=1105, Resulting Numbers: [1105] 1105,34 unequal: No Solution Exploring Operation: 65-17=48, Resulting Numbers: [48] 48,34 unequal: No Solution Exploring Operation: 65+17=82, Resulting Numbers: [82] 82,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 34:[85, 13], Operations: ['74-9=65', '65/5=13'] Exploring Operation: 85+13=98, Resulting Numbers: [98] 98,34 unequal: No Solution Exploring Operation: 85-13=72, Resulting Numbers: [72] 72,34 unequal: No Solution Exploring Operation: 85*13=1105, Resulting Numbers: [1105] 1105,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 34:[65, 80], Operations: ['74-9=65', '85-5=80'] Exploring Operation: 65*80=5200, Resulting Numbers: [5200] 5200,34 unequal: No Solution Exploring Operation: 65+80=145, Resulting Numbers: [145] 145,34 unequal: No Solution Exploring Operation: 80-65=15, Resulting Numbers: [15] 15,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 34:[85, 60], Operations: ['74-9=65', '65-5=60'] Exploring Operation: 85*60=5100, Resulting Numbers: [5100] 5100,34 unequal: No Solution Exploring Operation: 85-60=25, Resulting Numbers: [25] 25,34 unequal: No Solution Exploring Operation: 85+60=145, Resulting Numbers: [145] 145,34 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:[85, 74, 4], Operations: ['9-5=4'] Exploring Operation: 74-4=70, Resulting Numbers: [85, 70] Generated Node #0,1,0: 34:[85, 70] Operation: 74-4=70 Exploring Operation: 85+4=89, Resulting Numbers: [74, 89] Generated Node #0,1,1: 34:[74, 89] Operation: 85+4=89 Exploring Operation: 85-74=11, Resulting Numbers: [4, 11] Generated Node #0,1,2: 34:[4, 11] Operation: 85-74=11 Exploring Operation: 74+4=78, Resulting Numbers: [85, 78] Generated Node #0,1,3: 34:[85, 78] Operation: 74+4=78 Exploring Operation: 85-4=81, Resulting Numbers: [74, 81] Generated Node #0,1,4: 34:[74, 81] Operation: 85-4=81 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 34:[4, 11], Operations: ['9-5=4', '85-74=11'] Exploring Operation: 4*11=44, Resulting Numbers: [44] 44,34 unequal: No Solution Exploring Operation: 11-4=7, Resulting Numbers: [7] 7,34 unequal: No Solution Exploring Operation: 4+11=15, Resulting Numbers: [15] 15,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 34:[85, 70], Operations: ['9-5=4', '74-4=70'] Exploring Operation: 85*70=5950, Resulting Numbers: [5950] 5950,34 unequal: No Solution Exploring Operation: 85+70=155, Resulting Numbers: [155] 155,34 unequal: No Solution Exploring Operation: 85-70=15, Resulting Numbers: [15] 15,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 34:[74, 81], Operations: ['9-5=4', '85-4=81'] Exploring Operation: 74*81=5994, Resulting Numbers: [5994] 5994,34 unequal: No Solution Exploring Operation: 74+81=155, Resulting Numbers: [155] 155,34 unequal: No Solution Exploring Operation: 81-74=7, Resulting Numbers: [7] 7,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 34:[74, 89], Operations: ['9-5=4', '85+4=89'] Exploring Operation: 74*89=6586, Resulting Numbers: [6586] 6586,34 unequal: No Solution Exploring Operation: 74+89=163, Resulting Numbers: [163] 163,34 unequal: No Solution Exploring Operation: 89-74=15, Resulting Numbers: [15] 15,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 34:[85, 78], Operations: ['9-5=4', '74+4=78'] Exploring Operation: 85+78=163, Resulting Numbers: [163] 163,34 unequal: No Solution Exploring Operation: 85-78=7, Resulting Numbers: [7] 7,34 unequal: No Solution Exploring Operation: 85*78=6630, Resulting Numbers: [6630] 6630,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,4,4 Current State: 34:[5, 2], Operations: ['85-74=11', '11-9=2'] Exploring Operation: 5*2=10, Resulting Numbers: [10] 10,34 unequal: No Solution Exploring Operation: 5+2=7, Resulting Numbers: [7] 7,34 unequal: No Solution Exploring Operation: 5-2=3, Resulting Numbers: [3] 3,34 unequal: No Solution Moving to Node #0,2,3 Current State: 34:[5, 2], Operations: ['85-9=76', '76-74=2'] Exploring Operation: 5-2=3, Resulting Numbers: [3] 3,34 unequal: No Solution Exploring Operation: 5*2=10, Resulting Numbers: [10] 10,34 unequal: No Solution Exploring Operation: 5+2=7, Resulting Numbers: [7] 7,34 unequal: No Solution Moving to Node #0,4,1 Current State: 34:[5, 20], Operations: ['85-74=11', '9+11=20'] Exploring Operation: 20/5=4, Resulting Numbers: [4] 4,34 unequal: No Solution Exploring Operation: 5*20=100, Resulting Numbers: [100] 100,34 unequal: No Solution Exploring Operation: 20-5=15, Resulting Numbers: [15] 15,34 unequal: No Solution Exploring Operation: 5+20=25, Resulting Numbers: [25] 25,34 unequal: No Solution Moving to Node #0,4,0 Current State: 34:[9, 16], Operations: ['85-74=11', '5+11=16'] Exploring Operation: 16-9=7, Resulting Numbers: [7] 7,34 unequal: No Solution Exploring Operation: 9+16=25, Resulting Numbers: [25] 25,34 unequal: No Solution Exploring Operation: 9*16=144, Resulting Numbers: [144] 144,34 unequal: No Solution Moving to Node #0,4,3 Current State: 34:[11, 4], Operations: ['85-74=11', '9-5=4'] Exploring Operation: 11-4=7, Resulting Numbers: [7] 7,34 unequal: No Solution Exploring Operation: 11+4=15, Resulting Numbers: [15] 15,34 unequal: No Solution Exploring Operation: 11*4=44, Resulting Numbers: [44] 44,34 unequal: No Solution Moving to Node #0,4,2 Current State: 34:[11, 14], Operations: ['85-74=11', '5+9=14'] Exploring Operation: 11*14=154, Resulting Numbers: [154] 154,34 unequal: No Solution Exploring Operation: 11+14=25, Resulting Numbers: [25] 25,34 unequal: No Solution Exploring Operation: 14-11=3, Resulting Numbers: [3] 3,34 unequal: No Solution Moving to Node #0,0,4 Current State: 34:[9, 57], Operations: ['85/5=17', '74-17=57'] Exploring Operation: 9*57=513, Resulting Numbers: [513] 513,34 unequal: No Solution Exploring Operation: 9+57=66, Resulting Numbers: [66] 66,34 unequal: No Solution Exploring Operation: 57-9=48, Resulting Numbers: [48] 48,34 unequal: No Solution Moving to Node #0,0,1 Current State: 34:[17, 65], Operations: ['85/5=17', '74-9=65'] Exploring Operation: 17*65=1105, Resulting Numbers: [1105] 1105,34 unequal: No Solution Exploring Operation: 17+65=82, Resulting Numbers: [82] 82,34 unequal: No Solution Exploring Operation: 65-17=48, Resulting Numbers: [48] 48,34 unequal: No Solution Moving to Node #0,0,2 Current State: 34:[74, 8], Operations: ['85/5=17', '17-9=8'] Exploring Operation: 74*8=592, Resulting Numbers: [592] 592,34 unequal: No Solution Exploring Operation: 74+8=82, Resulting Numbers: [82] 82,34 unequal: No Solution Exploring Operation: 74-8=66, Resulting Numbers: [66] 66,34 unequal: No Solution Moving to Node #0,0,3 Current State: 34:[74, 26], Operations: ['85/5=17', '9+17=26'] Exploring Operation: 74*26=1924, Resulting Numbers: [1924] 1924,34 unequal: No Solution Exploring Operation: 74+26=100, Resulting Numbers: [100] 100,34 unequal: No Solution Exploring Operation: 74-26=48, Resulting Numbers: [48] 48,34 unequal: No Solution Moving to Node #0,0,0 Current State: 34:[17, 83], Operations: ['85/5=17', '9+74=83'] Exploring Operation: 17*83=1411, Resulting Numbers: [1411] 1411,34 unequal: No Solution Exploring Operation: 83-17=66, Resulting Numbers: [66] 66,34 unequal: No Solution Exploring Operation: 17+83=100, Resulting Numbers: [100] 100,34 unequal: No Solution Moving to Node #0,2,2 Current State: 34:[76, 69], Operations: ['85-9=76', '74-5=69'] Exploring Operation: 76+69=145, Resulting Numbers: [145] 145,34 unequal: No Solution Exploring Operation: 76-69=7, Resulting Numbers: [7] 7,34 unequal: No Solution Exploring Operation: 76*69=5244, Resulting Numbers: [5244] 5244,34 unequal: No Solution Moving to Node #0,2,1 Current State: 34:[74, 71], Operations: ['85-9=76', '76-5=71'] Exploring Operation: 74-71=3, Resulting Numbers: [3] 3,34 unequal: No Solution Exploring Operation: 74+71=145, Resulting Numbers: [145] 145,34 unequal: No Solution Exploring Operation: 74*71=5254, Resulting Numbers: [5254] 5254,34 unequal: No Solution Moving to Node #0,2,0 Current State: 34:[74, 81], Operations: ['85-9=76', '5+76=81'] Exploring Operation: 81-74=7, Resulting Numbers: [7] 7,34 unequal: No Solution Exploring Operation: 74*81=5994, Resulting Numbers: [5994] 5994,34 unequal: No Solution Exploring Operation: 74+81=155, Resulting Numbers: [155] 155,34 unequal: No Solution Moving to Node #0,2,4 Current State: 34:[76, 79], Operations: ['85-9=76', '5+74=79'] Exploring Operation: 76+79=155, Resulting Numbers: [155] 155,34 unequal: No Solution Exploring Operation: 76*79=6004, Resulting Numbers: [6004] 6004,34 unequal: No Solution Exploring Operation: 79-76=3, Resulting Numbers: [3] 3,34 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 1, 78, 21, 85 ]
82
[ "85-1=84", "84/21=4", "78+4=82" ]
Current State: 82:[1, 78, 21, 85], Operations: [] Exploring Operation: 85-1=84, Resulting Numbers: [78, 21, 84] Generated Node #2: [78, 21, 84] from Operation: 85-1=84 Current State: 82:[78, 21, 84], Operations: ['85-1=84'] Exploring Operation: 84/21=4, Resulting Numbers: [78, 4] Generated Node #3: [78, 4] from Operation: 84/21=4 Current State: 82:[78, 4], Operations: ['85-1=84', '84/21=4'] Exploring Operation: 78+4=82, Resulting Numbers: [82] 82,82 equal: Goal Reached
4
Current State: 82:[1, 78, 21, 85], Operations: [] Exploring Operation: 78+21=99, Resulting Numbers: [1, 85, 99] Generated Node #0,0: 82:[1, 85, 99] Operation: 78+21=99 Exploring Operation: 1+78=79, Resulting Numbers: [21, 85, 79] Generated Node #0,1: 82:[21, 85, 79] Operation: 1+78=79 Exploring Operation: 78-21=57, Resulting Numbers: [1, 85, 57] Generated Node #0,2: 82:[1, 85, 57] Operation: 78-21=57 Exploring Operation: 85-21=64, Resulting Numbers: [1, 78, 64] Generated Node #0,3: 82:[1, 78, 64] Operation: 85-21=64 Start Sub Search at level 1: Moving to Node #0,2 Current State: 82:[1, 85, 57], Operations: ['78-21=57'] Exploring Operation: 85-57=28, Resulting Numbers: [1, 28] Generated Node #0,2,0: 82:[1, 28] Operation: 85-57=28 Exploring Operation: 1*85=85, Resulting Numbers: [57, 85] Generated Node #0,2,1: 82:[57, 85] Operation: 1*85=85 Exploring Operation: 85-1=84, Resulting Numbers: [57, 84] Generated Node #0,2,2: 82:[57, 84] Operation: 85-1=84 Exploring Operation: 57-1=56, Resulting Numbers: [85, 56] Generated Node #0,2,3: 82:[85, 56] Operation: 57-1=56 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 82:[1, 28], Operations: ['78-21=57', '85-57=28'] Exploring Operation: 1*28=28, Resulting Numbers: [28] 28,82 unequal: No Solution Exploring Operation: 1+28=29, Resulting Numbers: [29] 29,82 unequal: No Solution Exploring Operation: 28-1=27, Resulting Numbers: [27] 27,82 unequal: No Solution Exploring Operation: 28/1=28, Resulting Numbers: [28] 28,82 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 82:[57, 84], Operations: ['78-21=57', '85-1=84'] Exploring Operation: 84-57=27, Resulting Numbers: [27] 27,82 unequal: No Solution Exploring Operation: 57*84=4788, Resulting Numbers: [4788] 4788,82 unequal: No Solution Exploring Operation: 57+84=141, Resulting Numbers: [141] 141,82 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 82:[85, 56], Operations: ['78-21=57', '57-1=56'] Exploring Operation: 85+56=141, Resulting Numbers: [141] 141,82 unequal: No Solution Exploring Operation: 85-56=29, Resulting Numbers: [29] 29,82 unequal: No Solution Exploring Operation: 85*56=4760, Resulting Numbers: [4760] 4760,82 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 82:[57, 85], Operations: ['78-21=57', '1*85=85'] Exploring Operation: 85-57=28, Resulting Numbers: [28] 28,82 unequal: No Solution Exploring Operation: 57*85=4845, Resulting Numbers: [4845] 4845,82 unequal: No Solution Exploring Operation: 57+85=142, Resulting Numbers: [142] 142,82 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 82:[1, 85, 99], Operations: ['78+21=99'] Exploring Operation: 85-1=84, Resulting Numbers: [99, 84] Generated Node #0,0,0: 82:[99, 84] Operation: 85-1=84 Exploring Operation: 99-1=98, Resulting Numbers: [85, 98] Generated Node #0,0,1: 82:[85, 98] Operation: 99-1=98 Exploring Operation: 1*85=85, Resulting Numbers: [99, 85] Generated Node #0,0,2: 82:[99, 85] Operation: 1*85=85 Exploring Operation: 99-85=14, Resulting Numbers: [1, 14] Generated Node #0,0,3: 82:[1, 14] Operation: 99-85=14 Moving to Node #0,0,3 Current State: 82:[1, 14], Operations: ['78+21=99', '99-85=14'] Exploring Operation: 1+14=15, Resulting Numbers: [15] 15,82 unequal: No Solution Exploring Operation: 14-1=13, Resulting Numbers: [13] 13,82 unequal: No Solution Exploring Operation: 1*14=14, Resulting Numbers: [14] 14,82 unequal: No Solution Exploring Operation: 14/1=14, Resulting Numbers: [14] 14,82 unequal: No Solution Moving to Node #0,0,1 Current State: 82:[85, 98], Operations: ['78+21=99', '99-1=98'] Exploring Operation: 85*98=8330, Resulting Numbers: [8330] 8330,82 unequal: No Solution Exploring Operation: 85+98=183, Resulting Numbers: [183] 183,82 unequal: No Solution Exploring Operation: 98-85=13, Resulting Numbers: [13] 13,82 unequal: No Solution Moving to Node #0,0,0 Current State: 82:[99, 84], Operations: ['78+21=99', '85-1=84'] Exploring Operation: 99*84=8316, Resulting Numbers: [8316] 8316,82 unequal: No Solution Exploring Operation: 99+84=183, Resulting Numbers: [183] 183,82 unequal: No Solution Exploring Operation: 99-84=15, Resulting Numbers: [15] 15,82 unequal: No Solution Moving to Node #0,0,2 Current State: 82:[99, 85], Operations: ['78+21=99', '1*85=85'] Exploring Operation: 99-85=14, Resulting Numbers: [14] 14,82 unequal: No Solution Exploring Operation: 99*85=8415, Resulting Numbers: [8415] 8415,82 unequal: No Solution Exploring Operation: 99+85=184, Resulting Numbers: [184] 184,82 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 82:[1, 78, 64], Operations: ['85-21=64'] Exploring Operation: 1+64=65, Resulting Numbers: [78, 65] Generated Node #0,3,0: 82:[78, 65] Operation: 1+64=65 Exploring Operation: 78-64=14, Resulting Numbers: [1, 14] Generated Node #0,3,1: 82:[1, 14] Operation: 78-64=14 Exploring Operation: 1+78=79, Resulting Numbers: [64, 79] Generated Node #0,3,2: 82:[64, 79] Operation: 1+78=79 Exploring Operation: 1*78=78, Resulting Numbers: [64, 78] Generated Node #0,3,3: 82:[64, 78] Operation: 1*78=78 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 82:[1, 14], Operations: ['85-21=64', '78-64=14'] Exploring Operation: 14-1=13, Resulting Numbers: [13] 13,82 unequal: No Solution Exploring Operation: 1*14=14, Resulting Numbers: [14] 14,82 unequal: No Solution Exploring Operation: 14/1=14, Resulting Numbers: [14] 14,82 unequal: No Solution Exploring Operation: 1+14=15, Resulting Numbers: [15] 15,82 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 82:[78, 65], Operations: ['85-21=64', '1+64=65'] Exploring Operation: 78*65=5070, Resulting Numbers: [5070] 5070,82 unequal: No Solution Exploring Operation: 78-65=13, Resulting Numbers: [13] 13,82 unequal: No Solution Exploring Operation: 78+65=143, Resulting Numbers: [143] 143,82 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 82:[64, 79], Operations: ['85-21=64', '1+78=79'] Exploring Operation: 79-64=15, Resulting Numbers: [15] 15,82 unequal: No Solution Exploring Operation: 64*79=5056, Resulting Numbers: [5056] 5056,82 unequal: No Solution Exploring Operation: 64+79=143, Resulting Numbers: [143] 143,82 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 82:[64, 78], Operations: ['85-21=64', '1*78=78'] Exploring Operation: 64*78=4992, Resulting Numbers: [4992] 4992,82 unequal: No Solution Exploring Operation: 78-64=14, Resulting Numbers: [14] 14,82 unequal: No Solution Exploring Operation: 64+78=142, Resulting Numbers: [142] 142,82 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 82:[21, 85, 79], Operations: ['1+78=79'] Exploring Operation: 85-21=64, Resulting Numbers: [79, 64] Generated Node #0,1,0: 82:[79, 64] Operation: 85-21=64 Exploring Operation: 21+79=100, Resulting Numbers: [85, 100] Generated Node #0,1,1: 82:[85, 100] Operation: 21+79=100 Exploring Operation: 85-79=6, Resulting Numbers: [21, 6] Generated Node #0,1,2: 82:[21, 6] Operation: 85-79=6 Exploring Operation: 79-21=58, Resulting Numbers: [85, 58] Generated Node #0,1,3: 82:[85, 58] Operation: 79-21=58 Moving to Node #0,1,3 Current State: 82:[85, 58], Operations: ['1+78=79', '79-21=58'] Exploring Operation: 85-58=27, Resulting Numbers: [27] 27,82 unequal: No Solution Exploring Operation: 85*58=4930, Resulting Numbers: [4930] 4930,82 unequal: No Solution Exploring Operation: 85+58=143, Resulting Numbers: [143] 143,82 unequal: No Solution Moving to Node #0,1,1 Current State: 82:[85, 100], Operations: ['1+78=79', '21+79=100'] Exploring Operation: 85+100=185, Resulting Numbers: [185] 185,82 unequal: No Solution Exploring Operation: 100-85=15, Resulting Numbers: [15] 15,82 unequal: No Solution Exploring Operation: 85*100=8500, Resulting Numbers: [8500] 8500,82 unequal: No Solution Moving to Node #0,1,0 Current State: 82:[79, 64], Operations: ['1+78=79', '85-21=64'] Exploring Operation: 79-64=15, Resulting Numbers: [15] 15,82 unequal: No Solution Exploring Operation: 79+64=143, Resulting Numbers: [143] 143,82 unequal: No Solution Exploring Operation: 79*64=5056, Resulting Numbers: [5056] 5056,82 unequal: No Solution Moving to Node #0,1,2 Current State: 82:[21, 6], Operations: ['1+78=79', '85-79=6'] Exploring Operation: 21+6=27, Resulting Numbers: [27] 27,82 unequal: No Solution Exploring Operation: 21-6=15, Resulting Numbers: [15] 15,82 unequal: No Solution Exploring Operation: 21*6=126, Resulting Numbers: [126] 126,82 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
sum_heuristic
[ 30, 44, 21, 57 ]
50
[ "44-30=14", "57-21=36", "14+36=50" ]
Current State: 50:[30, 44, 21, 57], Operations: [] Exploring Operation: 44-30=14, Resulting Numbers: [21, 57, 14] Generated Node #2: [21, 57, 14] from Operation: 44-30=14 Current State: 50:[21, 57, 14], Operations: ['44-30=14'] Exploring Operation: 57-21=36, Resulting Numbers: [14, 36] Generated Node #3: [14, 36] from Operation: 57-21=36 Current State: 50:[14, 36], Operations: ['44-30=14', '57-21=36'] Exploring Operation: 14+36=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[30, 44, 21, 57], Operations: [] Exploring Operation: 30-21=9, Resulting Numbers: [44, 57, 9] Generated Node #0,0: 50:[44, 57, 9] Operation: 30-21=9 Exploring Operation: 57-30=27, Resulting Numbers: [44, 21, 27] Generated Node #0,1: 50:[44, 21, 27] Operation: 57-30=27 Exploring Operation: 44-21=23, Resulting Numbers: [30, 57, 23] Generated Node #0,2: 50:[30, 57, 23] Operation: 44-21=23 Exploring Operation: 57-44=13, Resulting Numbers: [30, 21, 13] Generated Node #0,3: 50:[30, 21, 13] Operation: 57-44=13 Exploring Operation: 30+21=51, Resulting Numbers: [44, 57, 51] Generated Node #0,4: 50:[44, 57, 51] Operation: 30+21=51 Start Sub Search at level 1: Moving to Node #0,1 Current State: 50:[44, 21, 27], Operations: ['57-30=27'] Exploring Operation: 44+21=65, Resulting Numbers: [27, 65] Generated Node #0,1,0: 50:[27, 65] Operation: 44+21=65 Exploring Operation: 44-27=17, Resulting Numbers: [21, 17] Generated Node #0,1,1: 50:[21, 17] Operation: 44-27=17 Exploring Operation: 44-21=23, Resulting Numbers: [27, 23] Generated Node #0,1,2: 50:[27, 23] Operation: 44-21=23 Exploring Operation: 21+27=48, Resulting Numbers: [44, 48] Generated Node #0,1,3: 50:[44, 48] Operation: 21+27=48 Exploring Operation: 27-21=6, Resulting Numbers: [44, 6] Generated Node #0,1,4: 50:[44, 6] Operation: 27-21=6 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 50:[27, 23], Operations: ['57-30=27', '44-21=23'] Exploring Operation: 27*23=621, Resulting Numbers: [621] 621,50 unequal: No Solution Exploring Operation: 27+23=50, Resulting Numbers: [50] 50,50 equal: Goal Reached Moving to Node #0 Current State: 50:[30, 44, 21, 57], Operations: [] Exploring Operation: 57-30=27, Resulting Numbers: [44, 21, 27] Generated Node #0,1: 50:[44, 21, 27] Operation: 57-30=27 Moving to Node #0,1 Current State: 50:[44, 21, 27], Operations: ['57-30=27'] Exploring Operation: 44-21=23, Resulting Numbers: [27, 23] Generated Node #0,1,2: 50:[27, 23] Operation: 44-21=23 Moving to Node #0,1,2 Current State: 50:[27, 23], Operations: ['57-30=27', '44-21=23'] Exploring Operation: 27+23=50, Resulting Numbers: [50] 50,50 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986111
hs_5
sum_heuristic
[ 17, 5, 98, 83 ]
49
[ "17*5=85", "85-83=2", "98/2=49" ]
Current State: 49:[17, 5, 98, 83], Operations: [] Exploring Operation: 17*5=85, Resulting Numbers: [98, 83, 85] Generated Node #2: [98, 83, 85] from Operation: 17*5=85 Current State: 49:[98, 83, 85], Operations: ['17*5=85'] Exploring Operation: 85-83=2, Resulting Numbers: [98, 2] Generated Node #3: [98, 2] from Operation: 85-83=2 Current State: 49:[98, 2], Operations: ['17*5=85', '85-83=2'] Exploring Operation: 98/2=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
4
Current State: 49:[17, 5, 98, 83], Operations: [] Exploring Operation: 83-17=66, Resulting Numbers: [5, 98, 66] Generated Node #0,0: 49:[5, 98, 66] Operation: 83-17=66 Exploring Operation: 17-5=12, Resulting Numbers: [98, 83, 12] Generated Node #0,1: 49:[98, 83, 12] Operation: 17-5=12 Exploring Operation: 98-83=15, Resulting Numbers: [17, 5, 15] Generated Node #0,2: 49:[17, 5, 15] Operation: 98-83=15 Exploring Operation: 98-17=81, Resulting Numbers: [5, 83, 81] Generated Node #0,3: 49:[5, 83, 81] Operation: 98-17=81 Exploring Operation: 98-5=93, Resulting Numbers: [17, 83, 93] Generated Node #0,4: 49:[17, 83, 93] Operation: 98-5=93 Start Sub Search at level 1: Moving to Node #0,2 Current State: 49:[17, 5, 15], Operations: ['98-83=15'] Exploring Operation: 15/5=3, Resulting Numbers: [17, 3] Generated Node #0,2,0: 49:[17, 3] Operation: 15/5=3 Exploring Operation: 17+15=32, Resulting Numbers: [5, 32] Generated Node #0,2,1: 49:[5, 32] Operation: 17+15=32 Exploring Operation: 17-5=12, Resulting Numbers: [15, 12] Generated Node #0,2,2: 49:[15, 12] Operation: 17-5=12 Exploring Operation: 17-15=2, Resulting Numbers: [5, 2] Generated Node #0,2,3: 49:[5, 2] Operation: 17-15=2 Exploring Operation: 15-5=10, Resulting Numbers: [17, 10] Generated Node #0,2,4: 49:[17, 10] Operation: 15-5=10 Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 49:[5, 2], Operations: ['98-83=15', '17-15=2'] Exploring Operation: 5+2=7, Resulting Numbers: [7] 7,49 unequal: No Solution Exploring Operation: 5*2=10, Resulting Numbers: [10] 10,49 unequal: No Solution Exploring Operation: 5-2=3, Resulting Numbers: [3] 3,49 unequal: No Solution No 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: 49:[15, 12], Operations: ['98-83=15', '17-5=12'] Exploring Operation: 15-12=3, Resulting Numbers: [3] 3,49 unequal: No Solution Exploring Operation: 15*12=180, Resulting Numbers: [180] 180,49 unequal: No Solution Exploring Operation: 15+12=27, Resulting Numbers: [27] 27,49 unequal: No Solution No 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: 49:[17, 10], Operations: ['98-83=15', '15-5=10'] Exploring Operation: 17*10=170, Resulting Numbers: [170] 170,49 unequal: No Solution Exploring Operation: 17+10=27, Resulting Numbers: [27] 27,49 unequal: No Solution Exploring Operation: 17-10=7, Resulting Numbers: [7] 7,49 unequal: No Solution No 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: 49:[17, 3], Operations: ['98-83=15', '15/5=3'] Exploring Operation: 17*3=51, Resulting Numbers: [51] 51,49 unequal: No Solution Exploring Operation: 17+3=20, Resulting Numbers: [20] 20,49 unequal: No Solution Exploring Operation: 17-3=14, Resulting Numbers: [14] 14,49 unequal: No Solution No 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: 49:[5, 32], Operations: ['98-83=15', '17+15=32'] Exploring Operation: 32-5=27, Resulting Numbers: [27] 27,49 unequal: No Solution Exploring Operation: 5+32=37, Resulting Numbers: [37] 37,49 unequal: No Solution Exploring Operation: 5*32=160, Resulting Numbers: [160] 160,49 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: 49:[5, 98, 66], Operations: ['83-17=66'] Exploring Operation: 98-5=93, Resulting Numbers: [66, 93] Generated Node #0,0,0: 49:[66, 93] Operation: 98-5=93 Exploring Operation: 66-5=61, Resulting Numbers: [98, 61] Generated Node #0,0,1: 49:[98, 61] Operation: 66-5=61 Exploring Operation: 98-66=32, Resulting Numbers: [5, 32] Generated Node #0,0,2: 49:[5, 32] Operation: 98-66=32 Exploring Operation: 5+98=103, Resulting Numbers: [66, 103] Generated Node #0,0,3: 49:[66, 103] Operation: 5+98=103 Exploring Operation: 5+66=71, Resulting Numbers: [98, 71] Generated Node #0,0,4: 49:[98, 71] Operation: 5+66=71 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 49:[5, 32], Operations: ['83-17=66', '98-66=32'] Exploring Operation: 5*32=160, Resulting Numbers: [160] 160,49 unequal: No Solution Exploring Operation: 32-5=27, Resulting Numbers: [27] 27,49 unequal: No Solution Exploring Operation: 5+32=37, Resulting Numbers: [37] 37,49 unequal: No Solution No 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: 49:[66, 93], Operations: ['83-17=66', '98-5=93'] Exploring Operation: 66*93=6138, Resulting Numbers: [6138] 6138,49 unequal: No Solution Exploring Operation: 93-66=27, Resulting Numbers: [27] 27,49 unequal: No Solution Exploring Operation: 66+93=159, Resulting Numbers: [159] 159,49 unequal: No Solution No 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: 49:[98, 61], Operations: ['83-17=66', '66-5=61'] Exploring Operation: 98+61=159, Resulting Numbers: [159] 159,49 unequal: No Solution Exploring Operation: 98*61=5978, Resulting Numbers: [5978] 5978,49 unequal: No Solution Exploring Operation: 98-61=37, Resulting Numbers: [37] 37,49 unequal: No Solution No 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: 49:[66, 103], Operations: ['83-17=66', '5+98=103'] Exploring Operation: 103-66=37, Resulting Numbers: [37] 37,49 unequal: No Solution Exploring Operation: 66+103=169, Resulting Numbers: [169] 169,49 unequal: No Solution Exploring Operation: 66*103=6798, Resulting Numbers: [6798] 6798,49 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 49:[98, 71], Operations: ['83-17=66', '5+66=71'] Exploring Operation: 98*71=6958, Resulting Numbers: [6958] 6958,49 unequal: No Solution Exploring Operation: 98-71=27, Resulting Numbers: [27] 27,49 unequal: No Solution Exploring Operation: 98+71=169, Resulting Numbers: [169] 169,49 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: 49:[5, 83, 81], Operations: ['98-17=81'] Exploring Operation: 5+81=86, Resulting Numbers: [83, 86] Generated Node #0,3,0: 49:[83, 86] Operation: 5+81=86 Exploring Operation: 83-5=78, Resulting Numbers: [81, 78] Generated Node #0,3,1: 49:[81, 78] Operation: 83-5=78 Exploring Operation: 81-5=76, Resulting Numbers: [83, 76] Generated Node #0,3,2: 49:[83, 76] Operation: 81-5=76 Exploring Operation: 83-81=2, Resulting Numbers: [5, 2] Generated Node #0,3,3: 49:[5, 2] Operation: 83-81=2 Exploring Operation: 5+83=88, Resulting Numbers: [81, 88] Generated Node #0,3,4: 49:[81, 88] Operation: 5+83=88 Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 49:[5, 2], Operations: ['98-17=81', '83-81=2'] Exploring Operation: 5*2=10, Resulting Numbers: [10] 10,49 unequal: No Solution Exploring Operation: 5-2=3, Resulting Numbers: [3] 3,49 unequal: No Solution Exploring Operation: 5+2=7, Resulting Numbers: [7] 7,49 unequal: No Solution No 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: 49:[81, 78], Operations: ['98-17=81', '83-5=78'] Exploring Operation: 81+78=159, Resulting Numbers: [159] 159,49 unequal: No Solution Exploring Operation: 81-78=3, Resulting Numbers: [3] 3,49 unequal: No Solution Exploring Operation: 81*78=6318, Resulting Numbers: [6318] 6318,49 unequal: No Solution No 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: 49:[83, 76], Operations: ['98-17=81', '81-5=76'] Exploring Operation: 83-76=7, Resulting Numbers: [7] 7,49 unequal: No Solution Exploring Operation: 83+76=159, Resulting Numbers: [159] 159,49 unequal: No Solution Exploring Operation: 83*76=6308, Resulting Numbers: [6308] 6308,49 unequal: No Solution No 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: 49:[83, 86], Operations: ['98-17=81', '5+81=86'] Exploring Operation: 83+86=169, Resulting Numbers: [169] 169,49 unequal: No Solution Exploring Operation: 83*86=7138, Resulting Numbers: [7138] 7138,49 unequal: No Solution Exploring Operation: 86-83=3, Resulting Numbers: [3] 3,49 unequal: No Solution No 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: 49:[81, 88], Operations: ['98-17=81', '5+83=88'] Exploring Operation: 81+88=169, Resulting Numbers: [169] 169,49 unequal: No Solution Exploring Operation: 81*88=7128, Resulting Numbers: [7128] 7128,49 unequal: No Solution Exploring Operation: 88-81=7, Resulting Numbers: [7] 7,49 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: 49:[98, 83, 12], Operations: ['17-5=12'] Exploring Operation: 83-12=71, Resulting Numbers: [98, 71] Generated Node #0,1,0: 49:[98, 71] Operation: 83-12=71 Exploring Operation: 98-12=86, Resulting Numbers: [83, 86] Generated Node #0,1,1: 49:[83, 86] Operation: 98-12=86 Exploring Operation: 98+12=110, Resulting Numbers: [83, 110] Generated Node #0,1,2: 49:[83, 110] Operation: 98+12=110 Exploring Operation: 98-83=15, Resulting Numbers: [12, 15] Generated Node #0,1,3: 49:[12, 15] Operation: 98-83=15 Exploring Operation: 83+12=95, Resulting Numbers: [98, 95] Generated Node #0,1,4: 49:[98, 95] Operation: 83+12=95 Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 49:[12, 15], Operations: ['17-5=12', '98-83=15'] Exploring Operation: 15-12=3, Resulting Numbers: [3] 3,49 unequal: No Solution Exploring Operation: 12*15=180, Resulting Numbers: [180] 180,49 unequal: No Solution Exploring Operation: 12+15=27, Resulting Numbers: [27] 27,49 unequal: No Solution No 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: 49:[98, 71], Operations: ['17-5=12', '83-12=71'] Exploring Operation: 98*71=6958, Resulting Numbers: [6958] 6958,49 unequal: No Solution Exploring Operation: 98-71=27, Resulting Numbers: [27] 27,49 unequal: No Solution Exploring Operation: 98+71=169, Resulting Numbers: [169] 169,49 unequal: No Solution No 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: 49:[83, 86], Operations: ['17-5=12', '98-12=86'] Exploring Operation: 86-83=3, Resulting Numbers: [3] 3,49 unequal: No Solution Exploring Operation: 83+86=169, Resulting Numbers: [169] 169,49 unequal: No Solution Exploring Operation: 83*86=7138, Resulting Numbers: [7138] 7138,49 unequal: No Solution No 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: 49:[83, 110], Operations: ['17-5=12', '98+12=110'] Exploring Operation: 110-83=27, Resulting Numbers: [27] 27,49 unequal: No Solution Exploring Operation: 83*110=9130, Resulting Numbers: [9130] 9130,49 unequal: No Solution Exploring Operation: 83+110=193, Resulting Numbers: [193] 193,49 unequal: No Solution No 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: 49:[98, 95], Operations: ['17-5=12', '83+12=95'] Exploring Operation: 98*95=9310, Resulting Numbers: [9310] 9310,49 unequal: No Solution Exploring Operation: 98+95=193, Resulting Numbers: [193] 193,49 unequal: No Solution Exploring Operation: 98-95=3, Resulting Numbers: [3] 3,49 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: 49:[17, 83, 93], Operations: ['98-5=93'] Exploring Operation: 17+93=110, Resulting Numbers: [83, 110] Generated Node #0,4,0: 49:[83, 110] Operation: 17+93=110 Exploring Operation: 93-83=10, Resulting Numbers: [17, 10] Generated Node #0,4,1: 49:[17, 10] Operation: 93-83=10 Exploring Operation: 83-17=66, Resulting Numbers: [93, 66] Generated Node #0,4,2: 49:[93, 66] Operation: 83-17=66 Exploring Operation: 17+83=100, Resulting Numbers: [93, 100] Generated Node #0,4,3: 49:[93, 100] Operation: 17+83=100 Exploring Operation: 93-17=76, Resulting Numbers: [83, 76] Generated Node #0,4,4: 49:[83, 76] Operation: 93-17=76 Moving to Node #0,4,1 Current State: 49:[17, 10], Operations: ['98-5=93', '93-83=10'] Exploring Operation: 17-10=7, Resulting Numbers: [7] 7,49 unequal: No Solution Exploring Operation: 17*10=170, Resulting Numbers: [170] 170,49 unequal: No Solution Exploring Operation: 17+10=27, Resulting Numbers: [27] 27,49 unequal: No Solution Moving to Node #0,4,4 Current State: 49:[83, 76], Operations: ['98-5=93', '93-17=76'] Exploring Operation: 83-76=7, Resulting Numbers: [7] 7,49 unequal: No Solution Exploring Operation: 83*76=6308, Resulting Numbers: [6308] 6308,49 unequal: No Solution Exploring Operation: 83+76=159, Resulting Numbers: [159] 159,49 unequal: No Solution Moving to Node #0,4,2 Current State: 49:[93, 66], Operations: ['98-5=93', '83-17=66'] Exploring Operation: 93+66=159, Resulting Numbers: [159] 159,49 unequal: No Solution Exploring Operation: 93-66=27, Resulting Numbers: [27] 27,49 unequal: No Solution Exploring Operation: 93*66=6138, Resulting Numbers: [6138] 6138,49 unequal: No Solution Moving to Node #0,4,0 Current State: 49:[83, 110], Operations: ['98-5=93', '17+93=110'] Exploring Operation: 110-83=27, Resulting Numbers: [27] 27,49 unequal: No Solution Exploring Operation: 83*110=9130, Resulting Numbers: [9130] 9130,49 unequal: No Solution Exploring Operation: 83+110=193, Resulting Numbers: [193] 193,49 unequal: No Solution Moving to Node #0,4,3 Current State: 49:[93, 100], Operations: ['98-5=93', '17+83=100'] Exploring Operation: 93*100=9300, Resulting Numbers: [9300] 9300,49 unequal: No Solution Exploring Operation: 93+100=193, Resulting Numbers: [193] 193,49 unequal: No Solution Exploring Operation: 100-93=7, Resulting Numbers: [7] 7,49 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
[ 4, 83, 80, 96 ]
33
[ "80/4=20", "96-83=13", "20+13=33" ]
Current State: 33:[4, 83, 80, 96], Operations: [] Exploring Operation: 80/4=20, Resulting Numbers: [83, 96, 20] Generated Node #2: [83, 96, 20] from Operation: 80/4=20 Current State: 33:[83, 96, 20], Operations: ['80/4=20'] Exploring Operation: 96-83=13, Resulting Numbers: [20, 13] Generated Node #3: [20, 13] from Operation: 96-83=13 Current State: 33:[20, 13], Operations: ['80/4=20', '96-83=13'] Exploring Operation: 20+13=33, Resulting Numbers: [33] 33,33 equal: Goal Reached
4
Current State: 33:[4, 83, 80, 96], Operations: [] Exploring Operation: 83-80=3, Resulting Numbers: [4, 96, 3] Generated Node #0,0: 33:[4, 96, 3] Operation: 83-80=3 Exploring Operation: 96/4=24, Resulting Numbers: [83, 80, 24] Generated Node #0,1: 33:[83, 80, 24] Operation: 96/4=24 Exploring Operation: 96-83=13, Resulting Numbers: [4, 80, 13] Generated Node #0,2: 33:[4, 80, 13] Operation: 96-83=13 Exploring Operation: 96-80=16, Resulting Numbers: [4, 83, 16] Generated Node #0,3: 33:[4, 83, 16] Operation: 96-80=16 Moving to Node #0,2 Current State: 33:[4, 80, 13], Operations: ['96-83=13'] Exploring Operation: 80/4=20, Resulting Numbers: [13, 20] Generated Node #0,2,0: 33:[13, 20] Operation: 80/4=20 Exploring Operation: 80-13=67, Resulting Numbers: [4, 67] Generated Node #0,2,1: 33:[4, 67] Operation: 80-13=67 Exploring Operation: 80-4=76, Resulting Numbers: [13, 76] Generated Node #0,2,2: 33:[13, 76] Operation: 80-4=76 Exploring Operation: 13-4=9, Resulting Numbers: [80, 9] Generated Node #0,2,3: 33:[80, 9] Operation: 13-4=9 Moving to Node #0,3 Current State: 33:[4, 83, 16], Operations: ['96-80=16'] Exploring Operation: 83-16=67, Resulting Numbers: [4, 67] Generated Node #0,3,0: 33:[4, 67] Operation: 83-16=67 Exploring Operation: 16-4=12, Resulting Numbers: [83, 12] Generated Node #0,3,1: 33:[83, 12] Operation: 16-4=12 Exploring Operation: 16/4=4, Resulting Numbers: [83, 4] Generated Node #0,3,2: 33:[83, 4] Operation: 16/4=4 Exploring Operation: 83-4=79, Resulting Numbers: [16, 79] Generated Node #0,3,3: 33:[16, 79] Operation: 83-4=79 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 33:[4, 67], Operations: ['96-80=16', '83-16=67'] Exploring Operation: 4*67=268, Resulting Numbers: [268] 268,33 unequal: No Solution Exploring Operation: 67-4=63, Resulting Numbers: [63] 63,33 unequal: No Solution Exploring Operation: 4+67=71, Resulting Numbers: [71] 71,33 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 #0,3,1 Current State: 33:[83, 12], Operations: ['96-80=16', '16-4=12'] Exploring Operation: 83+12=95, Resulting Numbers: [95] 95,33 unequal: No Solution Exploring Operation: 83*12=996, Resulting Numbers: [996] 996,33 unequal: No Solution Exploring Operation: 83-12=71, Resulting Numbers: [71] 71,33 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 #0,3,2 Current State: 33:[83, 4], Operations: ['96-80=16', '16/4=4'] Exploring Operation: 83+4=87, Resulting Numbers: [87] 87,33 unequal: No Solution Exploring Operation: 83-4=79, Resulting Numbers: [79] 79,33 unequal: No Solution Exploring Operation: 83*4=332, Resulting Numbers: [332] 332,33 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 #0,3,3 Current State: 33:[16, 79], Operations: ['96-80=16', '83-4=79'] Exploring Operation: 79-16=63, Resulting Numbers: [63] 63,33 unequal: No Solution Exploring Operation: 16*79=1264, Resulting Numbers: [1264] 1264,33 unequal: No Solution Exploring Operation: 16+79=95, Resulting Numbers: [95] 95,33 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: 33:[4, 96, 3], Operations: ['83-80=3'] Exploring Operation: 96/4=24, Resulting Numbers: [3, 24] Generated Node #0,0,0: 33:[3, 24] Operation: 96/4=24 Exploring Operation: 96-3=93, Resulting Numbers: [4, 93] Generated Node #0,0,1: 33:[4, 93] Operation: 96-3=93 Exploring Operation: 96-4=92, Resulting Numbers: [3, 92] Generated Node #0,0,2: 33:[3, 92] Operation: 96-4=92 Exploring Operation: 96/3=32, Resulting Numbers: [4, 32] Generated Node #0,0,3: 33:[4, 32] Operation: 96/3=32 Moving to Node #0,1 Current State: 33:[83, 80, 24], Operations: ['96/4=24'] Exploring Operation: 83-80=3, Resulting Numbers: [24, 3] Generated Node #0,1,0: 33:[24, 3] Operation: 83-80=3 Exploring Operation: 83-24=59, Resulting Numbers: [80, 59] Generated Node #0,1,1: 33:[80, 59] Operation: 83-24=59 Exploring Operation: 83+24=107, Resulting Numbers: [80, 107] Generated Node #0,1,2: 33:[80, 107] Operation: 83+24=107 Exploring Operation: 80-24=56, Resulting Numbers: [83, 56] Generated Node #0,1,3: 33:[83, 56] Operation: 80-24=56 Moving to Node #0,0,3 Current State: 33:[4, 32], Operations: ['83-80=3', '96/3=32'] Exploring Operation: 32-4=28, Resulting Numbers: [28] 28,33 unequal: No Solution Exploring Operation: 32/4=8, Resulting Numbers: [8] 8,33 unequal: No Solution Exploring Operation: 4*32=128, Resulting Numbers: [128] 128,33 unequal: No Solution Exploring Operation: 4+32=36, Resulting Numbers: [36] 36,33 unequal: No Solution Moving to Node #0,0,0 Current State: 33:[3, 24], Operations: ['83-80=3', '96/4=24'] Exploring Operation: 3*24=72, Resulting Numbers: [72] 72,33 unequal: No Solution Exploring Operation: 3+24=27, Resulting Numbers: [27] 27,33 unequal: No Solution Exploring Operation: 24-3=21, Resulting Numbers: [21] 21,33 unequal: No Solution Exploring Operation: 24/3=8, Resulting Numbers: [8] 8,33 unequal: No Solution Moving to Node #0,1,0 Current State: 33:[24, 3], Operations: ['96/4=24', '83-80=3'] Exploring Operation: 24-3=21, Resulting Numbers: [21] 21,33 unequal: No Solution Exploring Operation: 24+3=27, Resulting Numbers: [27] 27,33 unequal: No Solution Exploring Operation: 24/3=8, Resulting Numbers: [8] 8,33 unequal: No Solution Exploring Operation: 24*3=72, Resulting Numbers: [72] 72,33 unequal: No Solution Moving to Node #0,2,0 Current State: 33:[13, 20], Operations: ['96-83=13', '80/4=20'] Exploring Operation: 13*20=260, Resulting Numbers: [260] 260,33 unequal: No Solution Exploring Operation: 13+20=33, Resulting Numbers: [33] 33,33 equal: Goal Reached Moving to Node #0 Current State: 33:[4, 83, 80, 96], Operations: [] Exploring Operation: 96-83=13, Resulting Numbers: [4, 80, 13] Generated Node #0,2: 33:[4, 80, 13] Operation: 96-83=13 Moving to Node #0,2 Current State: 33:[4, 80, 13], Operations: ['96-83=13'] Exploring Operation: 80/4=20, Resulting Numbers: [13, 20] Generated Node #0,2,0: 33:[13, 20] Operation: 80/4=20 Moving to Node #0,2,0 Current State: 33:[13, 20], Operations: ['96-83=13', '80/4=20'] Exploring Operation: 13+20=33, Resulting Numbers: [33] 33,33 equal: Goal Reached
0.956597
hs_4
sum_heuristic
[ 69, 41, 2, 56 ]
52
[ "69+41=110", "2+56=58", "110-58=52" ]
Current State: 52:[69, 41, 2, 56], Operations: [] Exploring Operation: 69+41=110, Resulting Numbers: [2, 56, 110] Generated Node #2: [2, 56, 110] from Operation: 69+41=110 Current State: 52:[2, 56, 110], Operations: ['69+41=110'] Exploring Operation: 2+56=58, Resulting Numbers: [110, 58] Generated Node #3: [110, 58] from Operation: 2+56=58 Current State: 52:[110, 58], Operations: ['69+41=110', '2+56=58'] Exploring Operation: 110-58=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[69, 41, 2, 56], Operations: [] Exploring Operation: 69-41=28, Resulting Numbers: [2, 56, 28] Generated Node #0,0: 52:[2, 56, 28] Operation: 69-41=28 Start Sub Search at level 1: Moving to Node #0,0 Current State: 52:[2, 56, 28], Operations: ['69-41=28'] Exploring Operation: 56/28=2, Resulting Numbers: [2, 2] Generated Node #0,0,0: 52:[2, 2] Operation: 56/28=2 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 52:[2, 2], Operations: ['69-41=28', '56/28=2'] Exploring Operation: 2+2=4, Resulting Numbers: [4] 4,52 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 93, 16, 36, 80 ]
62
[ "93-36=57", "80/16=5", "57+5=62" ]
Current State: 62:[93, 16, 36, 80], Operations: [] Exploring Operation: 93-36=57, Resulting Numbers: [16, 80, 57] Generated Node #2: [16, 80, 57] from Operation: 93-36=57 Current State: 62:[16, 80, 57], Operations: ['93-36=57'] Exploring Operation: 80/16=5, Resulting Numbers: [57, 5] Generated Node #3: [57, 5] from Operation: 80/16=5 Current State: 62:[57, 5], Operations: ['93-36=57', '80/16=5'] Exploring Operation: 57+5=62, Resulting Numbers: [62] 62,62 equal: Goal Reached
4
Current State: 62:[93, 16, 36, 80], Operations: [] Exploring Operation: 93-80=13, Resulting Numbers: [16, 36, 13] Generated Node #0,0: 62:[16, 36, 13] Operation: 93-80=13 Exploring Operation: 93-36=57, Resulting Numbers: [16, 80, 57] Generated Node #0,1: 62:[16, 80, 57] Operation: 93-36=57 Moving to Node #0,0 Current State: 62:[16, 36, 13], Operations: ['93-80=13'] Exploring Operation: 16-13=3, Resulting Numbers: [36, 3] Generated Node #0,0,0: 62:[36, 3] Operation: 16-13=3 Exploring Operation: 16+13=29, Resulting Numbers: [36, 29] Generated Node #0,0,1: 62:[36, 29] Operation: 16+13=29 Moving to Node #0,1 Current State: 62:[16, 80, 57], Operations: ['93-36=57'] Exploring Operation: 80/16=5, Resulting Numbers: [57, 5] Generated Node #0,1,0: 62:[57, 5] Operation: 80/16=5 Exploring Operation: 80-16=64, Resulting Numbers: [57, 64] Generated Node #0,1,1: 62:[57, 64] Operation: 80-16=64 Moving to Node #0,0,0 Current State: 62:[36, 3], Operations: ['93-80=13', '16-13=3'] Exploring Operation: 36+3=39, Resulting Numbers: [39] 39,62 unequal: No Solution Exploring Operation: 36-3=33, Resulting Numbers: [33] 33,62 unequal: No Solution Moving to Node #0,1,1 Current State: 62:[57, 64], Operations: ['93-36=57', '80-16=64'] Exploring Operation: 64-57=7, Resulting Numbers: [7] 7,62 unequal: No Solution Exploring Operation: 57+64=121, Resulting Numbers: [121] 121,62 unequal: No Solution Moving to Node #0,0,1 Current State: 62:[36, 29], Operations: ['93-80=13', '16+13=29'] Exploring Operation: 36+29=65, Resulting Numbers: [65] 65,62 unequal: No Solution Exploring Operation: 36-29=7, Resulting Numbers: [7] 7,62 unequal: No Solution Moving to Node #0,1,0 Current State: 62:[57, 5], Operations: ['93-36=57', '80/16=5'] Exploring Operation: 57+5=62, Resulting Numbers: [62] 62,62 equal: Goal Reached Moving to Node #0 Current State: 62:[93, 16, 36, 80], Operations: [] Exploring Operation: 93-36=57, Resulting Numbers: [16, 80, 57] Generated Node #0,1: 62:[16, 80, 57] Operation: 93-36=57 Moving to Node #0,1 Current State: 62:[16, 80, 57], Operations: ['93-36=57'] Exploring Operation: 80/16=5, Resulting Numbers: [57, 5] Generated Node #0,1,0: 62:[57, 5] Operation: 80/16=5 Moving to Node #0,1,0 Current State: 62:[57, 5], Operations: ['93-36=57', '80/16=5'] Exploring Operation: 57+5=62, Resulting Numbers: [62] 62,62 equal: Goal Reached
0.985243
hs_2
sum_heuristic
[ 63, 53, 65, 59 ]
12
[ "65-63=2", "59-53=6", "2*6=12" ]
Current State: 12:[63, 53, 65, 59], Operations: [] Exploring Operation: 65-63=2, Resulting Numbers: [53, 59, 2] Generated Node #2: [53, 59, 2] from Operation: 65-63=2 Current State: 12:[53, 59, 2], Operations: ['65-63=2'] Exploring Operation: 59-53=6, Resulting Numbers: [2, 6] Generated Node #3: [2, 6] from Operation: 59-53=6 Current State: 12:[2, 6], Operations: ['65-63=2', '59-53=6'] Exploring Operation: 2*6=12, Resulting Numbers: [12] 12,12 equal: Goal Reached
4
Current State: 12:[63, 53, 65, 59], Operations: [] Exploring Operation: 65-63=2, Resulting Numbers: [53, 59, 2] Generated Node #0,0: 12:[53, 59, 2] Operation: 65-63=2 Moving to Node #0,0 Current State: 12:[53, 59, 2], Operations: ['65-63=2'] Exploring Operation: 59-53=6, Resulting Numbers: [2, 6] Generated Node #0,0,0: 12:[2, 6] Operation: 59-53=6 Moving to Node #0,0,0 Current State: 12:[2, 6], Operations: ['65-63=2', '59-53=6'] Exploring Operation: 2*6=12, Resulting Numbers: [12] 12,12 equal: Goal Reached Moving to Node #0 Current State: 12:[63, 53, 65, 59], Operations: [] Exploring Operation: 65-63=2, Resulting Numbers: [53, 59, 2] Generated Node #0,0: 12:[53, 59, 2] Operation: 65-63=2 Moving to Node #0,0 Current State: 12:[53, 59, 2], Operations: ['65-63=2'] Exploring Operation: 59-53=6, Resulting Numbers: [2, 6] Generated Node #0,0,0: 12:[2, 6] Operation: 59-53=6 Moving to Node #0,0,0 Current State: 12:[2, 6], Operations: ['65-63=2', '59-53=6'] Exploring Operation: 2*6=12, Resulting Numbers: [12] 12,12 equal: Goal Reached
0.993924
hs_1
mult_heuristic
[ 5, 42, 71, 17 ]
56
[ "5*17=85", "71-42=29", "85-29=56" ]
Current State: 56:[5, 42, 71, 17], Operations: [] Exploring Operation: 5*17=85, Resulting Numbers: [42, 71, 85] Generated Node #2: [42, 71, 85] from Operation: 5*17=85 Current State: 56:[42, 71, 85], Operations: ['5*17=85'] Exploring Operation: 71-42=29, Resulting Numbers: [85, 29] Generated Node #3: [85, 29] from Operation: 71-42=29 Current State: 56:[85, 29], Operations: ['5*17=85', '71-42=29'] Exploring Operation: 85-29=56, Resulting Numbers: [56] 56,56 equal: Goal Reached
4
Current State: 56:[5, 42, 71, 17], Operations: [] Exploring Operation: 71-42=29, Resulting Numbers: [5, 17, 29] Generated Node #0,0: 56:[5, 17, 29] Operation: 71-42=29 Moving to Node #0,0 Current State: 56:[5, 17, 29], Operations: ['71-42=29'] Exploring Operation: 17-5=12, Resulting Numbers: [29, 12] Generated Node #0,0,0: 56:[29, 12] Operation: 17-5=12 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 56:[29, 12], Operations: ['71-42=29', '17-5=12'] Exploring Operation: 29-12=17, Resulting Numbers: [17] 17,56 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
[ 76, 57, 38, 80 ]
76
[ "80-76=4", "57-38=19", "4*19=76" ]
Current State: 76:[76, 57, 38, 80], Operations: [] Exploring Operation: 80-76=4, Resulting Numbers: [57, 38, 4] Generated Node #2: [57, 38, 4] from Operation: 80-76=4 Current State: 76:[57, 38, 4], Operations: ['80-76=4'] Exploring Operation: 57-38=19, Resulting Numbers: [4, 19] Generated Node #3: [4, 19] from Operation: 57-38=19 Current State: 76:[4, 19], Operations: ['80-76=4', '57-38=19'] Exploring Operation: 4*19=76, Resulting Numbers: [76] 76,76 equal: Goal Reached
4
Current State: 76:[76, 57, 38, 80], Operations: [] Exploring Operation: 76-57=19, Resulting Numbers: [38, 80, 19] Generated Node #0,0: 76:[38, 80, 19] Operation: 76-57=19 Moving to Node #0,0 Current State: 76:[38, 80, 19], Operations: ['76-57=19'] Exploring Operation: 80-38=42, Resulting Numbers: [19, 42] Generated Node #0,0,0: 76:[19, 42] Operation: 80-38=42 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 76:[19, 42], Operations: ['76-57=19', '80-38=42'] Exploring Operation: 42-19=23, Resulting Numbers: [23] 23,76 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
[ 36, 17, 5, 65 ]
17
[ "36+17=53", "5+65=70", "70-53=17" ]
Current State: 17:[36, 17, 5, 65], Operations: [] Exploring Operation: 36+17=53, Resulting Numbers: [5, 65, 53] Generated Node #2: [5, 65, 53] from Operation: 36+17=53 Current State: 17:[5, 65, 53], Operations: ['36+17=53'] Exploring Operation: 5+65=70, Resulting Numbers: [53, 70] Generated Node #3: [53, 70] from Operation: 5+65=70 Current State: 17:[53, 70], Operations: ['36+17=53', '5+65=70'] Exploring Operation: 70-53=17, Resulting Numbers: [17] 17,17 equal: Goal Reached
4
Current State: 17:[36, 17, 5, 65], Operations: [] Exploring Operation: 36-17=19, Resulting Numbers: [5, 65, 19] Generated Node #0,0: 17:[5, 65, 19] Operation: 36-17=19 Exploring Operation: 65-36=29, Resulting Numbers: [17, 5, 29] Generated Node #0,1: 17:[17, 5, 29] Operation: 65-36=29 Exploring Operation: 65/5=13, Resulting Numbers: [36, 17, 13] Generated Node #0,2: 17:[36, 17, 13] Operation: 65/5=13 Moving to Node #0,2 Current State: 17:[36, 17, 13], Operations: ['65/5=13'] Exploring Operation: 36-17=19, Resulting Numbers: [13, 19] Generated Node #0,2,0: 17:[13, 19] Operation: 36-17=19 Exploring Operation: 36-13=23, Resulting Numbers: [17, 23] Generated Node #0,2,1: 17:[17, 23] Operation: 36-13=23 Exploring Operation: 36+13=49, Resulting Numbers: [17, 49] Generated Node #0,2,2: 17:[17, 49] Operation: 36+13=49 Moving to Node #0,1 Current State: 17:[17, 5, 29], Operations: ['65-36=29'] Exploring Operation: 17+5=22, Resulting Numbers: [29, 22] Generated Node #0,1,0: 17:[29, 22] Operation: 17+5=22 Exploring Operation: 17-5=12, Resulting Numbers: [29, 12] Generated Node #0,1,1: 17:[29, 12] Operation: 17-5=12 Exploring Operation: 29-5=24, Resulting Numbers: [17, 24] Generated Node #0,1,2: 17:[17, 24] Operation: 29-5=24 Moving to Node #0,0 Current State: 17:[5, 65, 19], Operations: ['36-17=19'] Exploring Operation: 65/5=13, Resulting Numbers: [19, 13] Generated Node #0,0,0: 17:[19, 13] Operation: 65/5=13 Exploring Operation: 65-19=46, Resulting Numbers: [5, 46] Generated Node #0,0,1: 17:[5, 46] Operation: 65-19=46 Exploring Operation: 65-5=60, Resulting Numbers: [19, 60] Generated Node #0,0,2: 17:[19, 60] Operation: 65-5=60 Moving to Node #0,2,0 Current State: 17:[13, 19], Operations: ['65/5=13', '36-17=19'] Exploring Operation: 13*19=247, Resulting Numbers: [247] 247,17 unequal: No Solution Exploring Operation: 19-13=6, Resulting Numbers: [6] 6,17 unequal: No Solution Exploring Operation: 13+19=32, Resulting Numbers: [32] 32,17 unequal: No Solution Moving to Node #0,0,0 Current State: 17:[19, 13], Operations: ['36-17=19', '65/5=13'] Exploring Operation: 19+13=32, Resulting Numbers: [32] 32,17 unequal: No Solution Exploring Operation: 19*13=247, Resulting Numbers: [247] 247,17 unequal: No Solution Exploring Operation: 19-13=6, Resulting Numbers: [6] 6,17 unequal: No Solution Moving to Node #0,2,1 Current State: 17:[17, 23], Operations: ['65/5=13', '36-13=23'] Exploring Operation: 23-17=6, Resulting Numbers: [6] 6,17 unequal: No Solution Exploring Operation: 17+23=40, Resulting Numbers: [40] 40,17 unequal: No Solution Exploring Operation: 17*23=391, Resulting Numbers: [391] 391,17 unequal: No Solution Moving to Node #0,1,2 Current State: 17:[17, 24], Operations: ['65-36=29', '29-5=24'] Exploring Operation: 17+24=41, Resulting Numbers: [41] 41,17 unequal: No Solution Exploring Operation: 17*24=408, Resulting Numbers: [408] 408,17 unequal: No Solution Exploring Operation: 24-17=7, Resulting Numbers: [7] 7,17 unequal: No Solution Moving to Node #0,1,1 Current State: 17:[29, 12], Operations: ['65-36=29', '17-5=12'] Exploring Operation: 29-12=17, Resulting Numbers: [17] 17,17 equal: Goal Reached Moving to Node #0 Current State: 17:[36, 17, 5, 65], Operations: [] Exploring Operation: 65-36=29, Resulting Numbers: [17, 5, 29] Generated Node #0,1: 17:[17, 5, 29] Operation: 65-36=29 Moving to Node #0,1 Current State: 17:[17, 5, 29], Operations: ['65-36=29'] Exploring Operation: 17-5=12, Resulting Numbers: [29, 12] Generated Node #0,1,1: 17:[29, 12] Operation: 17-5=12 Moving to Node #0,1,1 Current State: 17:[29, 12], Operations: ['65-36=29', '17-5=12'] Exploring Operation: 29-12=17, Resulting Numbers: [17] 17,17 equal: Goal Reached
0.974826
hs_3
mult_heuristic
[ 35, 24, 2, 29 ]
75
[ "35*2=70", "29-24=5", "70+5=75" ]
Current State: 75:[35, 24, 2, 29], Operations: [] Exploring Operation: 35*2=70, Resulting Numbers: [24, 29, 70] Generated Node #2: [24, 29, 70] from Operation: 35*2=70 Current State: 75:[24, 29, 70], Operations: ['35*2=70'] Exploring Operation: 29-24=5, Resulting Numbers: [70, 5] Generated Node #3: [70, 5] from Operation: 29-24=5 Current State: 75:[70, 5], Operations: ['35*2=70', '29-24=5'] Exploring Operation: 70+5=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
4
Current State: 75:[35, 24, 2, 29], Operations: [] Exploring Operation: 35-24=11, Resulting Numbers: [2, 29, 11] Generated Node #0,0: 75:[2, 29, 11] Operation: 35-24=11 Exploring Operation: 35-29=6, Resulting Numbers: [24, 2, 6] Generated Node #0,1: 75:[24, 2, 6] Operation: 35-29=6 Start Sub Search at level 1: Moving to Node #0,1 Current State: 75:[24, 2, 6], Operations: ['35-29=6'] Exploring Operation: 24+2=26, Resulting Numbers: [6, 26] Generated Node #0,1,0: 75:[6, 26] Operation: 24+2=26 Exploring Operation: 6/2=3, Resulting Numbers: [24, 3] Generated Node #0,1,1: 75:[24, 3] Operation: 6/2=3 Moving to Node #0,1,1 Current State: 75:[24, 3], Operations: ['35-29=6', '6/2=3'] Exploring Operation: 24+3=27, Resulting Numbers: [27] 27,75 unequal: No Solution Exploring Operation: 24*3=72, Resulting Numbers: [72] 72,75 unequal: No Solution Moving to Node #0,1,0 Current State: 75:[6, 26], Operations: ['35-29=6', '24+2=26'] Exploring Operation: 26-6=20, Resulting Numbers: [20] 20,75 unequal: No Solution Exploring Operation: 6+26=32, Resulting Numbers: [32] 32,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 75:[2, 29, 11], Operations: ['35-24=11'] Exploring Operation: 29-2=27, Resulting Numbers: [11, 27] Generated Node #0,0,0: 75:[11, 27] Operation: 29-2=27 Exploring Operation: 29-11=18, Resulting Numbers: [2, 18] Generated Node #0,0,1: 75:[2, 18] Operation: 29-11=18 Moving to Node #0,0,1 Current State: 75:[2, 18], Operations: ['35-24=11', '29-11=18'] Exploring Operation: 18-2=16, Resulting Numbers: [16] 16,75 unequal: No Solution Exploring Operation: 18/2=9, Resulting Numbers: [9] 9,75 unequal: No Solution Moving to Node #0,0,0 Current State: 75:[11, 27], Operations: ['35-24=11', '29-2=27'] Exploring Operation: 11+27=38, Resulting Numbers: [38] 38,75 unequal: No Solution Exploring Operation: 27-11=16, Resulting Numbers: [16] 16,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 44, 30, 5, 26 ]
24
[ "44-26=18", "30/5=6", "18+6=24" ]
Current State: 24:[44, 30, 5, 26], Operations: [] Exploring Operation: 44-26=18, Resulting Numbers: [30, 5, 18] Generated Node #2: [30, 5, 18] from Operation: 44-26=18 Current State: 24:[30, 5, 18], Operations: ['44-26=18'] Exploring Operation: 30/5=6, Resulting Numbers: [18, 6] Generated Node #3: [18, 6] from Operation: 30/5=6 Current State: 24:[18, 6], Operations: ['44-26=18', '30/5=6'] Exploring Operation: 18+6=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
4
Current State: 24:[44, 30, 5, 26], Operations: [] Exploring Operation: 44-30=14, Resulting Numbers: [5, 26, 14] Generated Node #0,0: 24:[5, 26, 14] Operation: 44-30=14 Exploring Operation: 44-26=18, Resulting Numbers: [30, 5, 18] Generated Node #0,1: 24:[30, 5, 18] Operation: 44-26=18 Moving to Node #0,0 Current State: 24:[5, 26, 14], Operations: ['44-30=14'] Exploring Operation: 14-5=9, Resulting Numbers: [26, 9] Generated Node #0,0,0: 24:[26, 9] Operation: 14-5=9 Exploring Operation: 26-14=12, Resulting Numbers: [5, 12] Generated Node #0,0,1: 24:[5, 12] Operation: 26-14=12 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 24:[5, 12], Operations: ['44-30=14', '26-14=12'] Exploring Operation: 5+12=17, Resulting Numbers: [17] 17,24 unequal: No Solution Exploring Operation: 12-5=7, Resulting Numbers: [7] 7,24 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 24:[26, 9], Operations: ['44-30=14', '14-5=9'] Exploring Operation: 26-9=17, Resulting Numbers: [17] 17,24 unequal: No Solution Exploring Operation: 26+9=35, Resulting Numbers: [35] 35,24 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 24:[30, 5, 18], Operations: ['44-26=18'] Exploring Operation: 30-18=12, Resulting Numbers: [5, 12] Generated Node #0,1,0: 24:[5, 12] Operation: 30-18=12 Exploring Operation: 30/5=6, Resulting Numbers: [18, 6] Generated Node #0,1,1: 24:[18, 6] Operation: 30/5=6 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 24:[5, 12], Operations: ['44-26=18', '30-18=12'] Exploring Operation: 12-5=7, Resulting Numbers: [7] 7,24 unequal: No Solution Exploring Operation: 5+12=17, Resulting Numbers: [17] 17,24 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 24:[18, 6], Operations: ['44-26=18', '30/5=6'] Exploring Operation: 18+6=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Moving to Node #0 Current State: 24:[44, 30, 5, 26], Operations: [] Exploring Operation: 44-26=18, Resulting Numbers: [30, 5, 18] Generated Node #0,1: 24:[30, 5, 18] Operation: 44-26=18 Moving to Node #0,1 Current State: 24:[30, 5, 18], Operations: ['44-26=18'] Exploring Operation: 30/5=6, Resulting Numbers: [18, 6] Generated Node #0,1,1: 24:[18, 6] Operation: 30/5=6 Moving to Node #0,1,1 Current State: 24:[18, 6], Operations: ['44-26=18', '30/5=6'] Exploring Operation: 18+6=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_2
mult_heuristic
[ 88, 52, 54, 9 ]
99
[ "88-52=36", "54+9=63", "36+63=99" ]
Current State: 99:[88, 52, 54, 9], Operations: [] Exploring Operation: 88-52=36, Resulting Numbers: [54, 9, 36] Generated Node #2: [54, 9, 36] from Operation: 88-52=36 Current State: 99:[54, 9, 36], Operations: ['88-52=36'] Exploring Operation: 54+9=63, Resulting Numbers: [36, 63] Generated Node #3: [36, 63] from Operation: 54+9=63 Current State: 99:[36, 63], Operations: ['88-52=36', '54+9=63'] Exploring Operation: 36+63=99, Resulting Numbers: [99] 99,99 equal: Goal Reached
4
Current State: 99:[88, 52, 54, 9], Operations: [] Exploring Operation: 52+54=106, Resulting Numbers: [88, 9, 106] Generated Node #0,0: 99:[88, 9, 106] Operation: 52+54=106 Exploring Operation: 88-54=34, Resulting Numbers: [52, 9, 34] Generated Node #0,1: 99:[52, 9, 34] Operation: 88-54=34 Exploring Operation: 54-52=2, Resulting Numbers: [88, 9, 2] Generated Node #0,2: 99:[88, 9, 2] Operation: 54-52=2 Exploring Operation: 88-52=36, Resulting Numbers: [54, 9, 36] Generated Node #0,3: 99:[54, 9, 36] Operation: 88-52=36 Start Sub Search at level 1: Moving to Node #0,2 Current State: 99:[88, 9, 2], Operations: ['54-52=2'] Exploring Operation: 88+9=97, Resulting Numbers: [2, 97] Generated Node #0,2,0: 99:[2, 97] Operation: 88+9=97 Exploring Operation: 88+2=90, Resulting Numbers: [9, 90] Generated Node #0,2,1: 99:[9, 90] Operation: 88+2=90 Exploring Operation: 88/2=44, Resulting Numbers: [9, 44] Generated Node #0,2,2: 99:[9, 44] Operation: 88/2=44 Exploring Operation: 9+2=11, Resulting Numbers: [88, 11] Generated Node #0,2,3: 99:[88, 11] Operation: 9+2=11 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 99:[2, 97], Operations: ['54-52=2', '88+9=97'] Exploring Operation: 2+97=99, Resulting Numbers: [99] 99,99 equal: Goal Reached Moving to Node #0 Current State: 99:[88, 52, 54, 9], Operations: [] Exploring Operation: 54-52=2, Resulting Numbers: [88, 9, 2] Generated Node #0,2: 99:[88, 9, 2] Operation: 54-52=2 Moving to Node #0,2 Current State: 99:[88, 9, 2], Operations: ['54-52=2'] Exploring Operation: 88+9=97, Resulting Numbers: [2, 97] Generated Node #0,2,0: 99:[2, 97] Operation: 88+9=97 Moving to Node #0,2,0 Current State: 99:[2, 97], Operations: ['54-52=2', '88+9=97'] Exploring Operation: 2+97=99, Resulting Numbers: [99] 99,99 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.988715
hs_4
sum_heuristic
[ 78, 75, 54, 40 ]
91
[ "78-75=3", "54+40=94", "94-3=91" ]
Current State: 91:[78, 75, 54, 40], Operations: [] Exploring Operation: 78-75=3, Resulting Numbers: [54, 40, 3] Generated Node #2: [54, 40, 3] from Operation: 78-75=3 Current State: 91:[54, 40, 3], Operations: ['78-75=3'] Exploring Operation: 54+40=94, Resulting Numbers: [3, 94] Generated Node #3: [3, 94] from Operation: 54+40=94 Current State: 91:[3, 94], Operations: ['78-75=3', '54+40=94'] Exploring Operation: 94-3=91, Resulting Numbers: [91] 91,91 equal: Goal Reached
4
Current State: 91:[78, 75, 54, 40], Operations: [] Exploring Operation: 75-54=21, Resulting Numbers: [78, 40, 21] Generated Node #0,0: 91:[78, 40, 21] Operation: 75-54=21 Exploring Operation: 78-54=24, Resulting Numbers: [75, 40, 24] Generated Node #0,1: 91:[75, 40, 24] Operation: 78-54=24 Exploring Operation: 54+40=94, Resulting Numbers: [78, 75, 94] Generated Node #0,2: 91:[78, 75, 94] Operation: 54+40=94 Exploring Operation: 54-40=14, Resulting Numbers: [78, 75, 14] Generated Node #0,3: 91:[78, 75, 14] Operation: 54-40=14 Moving to Node #0,3 Current State: 91:[78, 75, 14], Operations: ['54-40=14'] Exploring Operation: 75+14=89, Resulting Numbers: [78, 89] Generated Node #0,3,0: 91:[78, 89] Operation: 75+14=89 Exploring Operation: 78+14=92, Resulting Numbers: [75, 92] Generated Node #0,3,1: 91:[75, 92] Operation: 78+14=92 Exploring Operation: 78-75=3, Resulting Numbers: [14, 3] Generated Node #0,3,2: 91:[14, 3] Operation: 78-75=3 Exploring Operation: 78-14=64, Resulting Numbers: [75, 64] Generated Node #0,3,3: 91:[75, 64] Operation: 78-14=64 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 91:[14, 3], Operations: ['54-40=14', '78-75=3'] Exploring Operation: 14+3=17, Resulting Numbers: [17] 17,91 unequal: No Solution Exploring Operation: 14*3=42, Resulting Numbers: [42] 42,91 unequal: No Solution Exploring Operation: 14-3=11, Resulting Numbers: [11] 11,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 91:[78, 89], Operations: ['54-40=14', '75+14=89'] Exploring Operation: 78*89=6942, Resulting Numbers: [6942] 6942,91 unequal: No Solution Exploring Operation: 89-78=11, Resulting Numbers: [11] 11,91 unequal: No Solution Exploring Operation: 78+89=167, Resulting Numbers: [167] 167,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 91:[75, 92], Operations: ['54-40=14', '78+14=92'] Exploring Operation: 75+92=167, Resulting Numbers: [167] 167,91 unequal: No Solution Exploring Operation: 75*92=6900, Resulting Numbers: [6900] 6900,91 unequal: No Solution Exploring Operation: 92-75=17, Resulting Numbers: [17] 17,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 91:[75, 64], Operations: ['54-40=14', '78-14=64'] Exploring Operation: 75*64=4800, Resulting Numbers: [4800] 4800,91 unequal: No Solution Exploring Operation: 75-64=11, Resulting Numbers: [11] 11,91 unequal: No Solution Exploring Operation: 75+64=139, Resulting Numbers: [139] 139,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 91:[78, 75, 94], Operations: ['54+40=94'] Exploring Operation: 78-75=3, Resulting Numbers: [94, 3] Generated Node #0,2,0: 91:[94, 3] Operation: 78-75=3 Exploring Operation: 78+75=153, Resulting Numbers: [94, 153] Generated Node #0,2,1: 91:[94, 153] Operation: 78+75=153 Exploring Operation: 94-75=19, Resulting Numbers: [78, 19] Generated Node #0,2,2: 91:[78, 19] Operation: 94-75=19 Exploring Operation: 94-78=16, Resulting Numbers: [75, 16] Generated Node #0,2,3: 91:[75, 16] Operation: 94-78=16 Moving to Node #0,0 Current State: 91:[78, 40, 21], Operations: ['75-54=21'] Exploring Operation: 78+40=118, Resulting Numbers: [21, 118] Generated Node #0,0,0: 91:[21, 118] Operation: 78+40=118 Exploring Operation: 40-21=19, Resulting Numbers: [78, 19] Generated Node #0,0,1: 91:[78, 19] Operation: 40-21=19 Exploring Operation: 78-40=38, Resulting Numbers: [21, 38] Generated Node #0,0,2: 91:[21, 38] Operation: 78-40=38 Exploring Operation: 78+21=99, Resulting Numbers: [40, 99] Generated Node #0,0,3: 91:[40, 99] Operation: 78+21=99 Moving to Node #0,1 Current State: 91:[75, 40, 24], Operations: ['78-54=24'] Exploring Operation: 75-40=35, Resulting Numbers: [24, 35] Generated Node #0,1,0: 91:[24, 35] Operation: 75-40=35 Exploring Operation: 75+40=115, Resulting Numbers: [24, 115] Generated Node #0,1,1: 91:[24, 115] Operation: 75+40=115 Exploring Operation: 40-24=16, Resulting Numbers: [75, 16] Generated Node #0,1,2: 91:[75, 16] Operation: 40-24=16 Exploring Operation: 75+24=99, Resulting Numbers: [40, 99] Generated Node #0,1,3: 91:[40, 99] Operation: 75+24=99 Moving to Node #0,2,0 Current State: 91:[94, 3], Operations: ['54+40=94', '78-75=3'] Exploring Operation: 94+3=97, Resulting Numbers: [97] 97,91 unequal: No Solution Exploring Operation: 94-3=91, Resulting Numbers: [91] 91,91 equal: Goal Reached Moving to Node #0 Current State: 91:[78, 75, 54, 40], Operations: [] Exploring Operation: 54+40=94, Resulting Numbers: [78, 75, 94] Generated Node #0,2: 91:[78, 75, 94] Operation: 54+40=94 Moving to Node #0,2 Current State: 91:[78, 75, 94], Operations: ['54+40=94'] Exploring Operation: 78-75=3, Resulting Numbers: [94, 3] Generated Node #0,2,0: 91:[94, 3] Operation: 78-75=3 Moving to Node #0,2,0 Current State: 91:[94, 3], Operations: ['54+40=94', '78-75=3'] Exploring Operation: 94-3=91, Resulting Numbers: [91] 91,91 equal: Goal Reached
0.967014
hs_4
mult_heuristic
[ 38, 78, 79, 59 ]
21
[ "59-38=21", "79-78=1", "21*1=21" ]
Current State: 21:[38, 78, 79, 59], Operations: [] Exploring Operation: 59-38=21, Resulting Numbers: [78, 79, 21] Generated Node #2: [78, 79, 21] from Operation: 59-38=21 Current State: 21:[78, 79, 21], Operations: ['59-38=21'] Exploring Operation: 79-78=1, Resulting Numbers: [21, 1] Generated Node #3: [21, 1] from Operation: 79-78=1 Current State: 21:[21, 1], Operations: ['59-38=21', '79-78=1'] Exploring Operation: 21*1=21, Resulting Numbers: [21] 21,21 equal: Goal Reached
4
Current State: 21:[38, 78, 79, 59], Operations: [] Exploring Operation: 79-78=1, Resulting Numbers: [38, 59, 1] Generated Node #0,0: 21:[38, 59, 1] Operation: 79-78=1 Exploring Operation: 78-59=19, Resulting Numbers: [38, 79, 19] Generated Node #0,1: 21:[38, 79, 19] Operation: 78-59=19 Exploring Operation: 79-59=20, Resulting Numbers: [38, 78, 20] Generated Node #0,2: 21:[38, 78, 20] Operation: 79-59=20 Moving to Node #0,0 Current State: 21:[38, 59, 1], Operations: ['79-78=1'] Exploring Operation: 59-38=21, Resulting Numbers: [1, 21] Generated Node #0,0,0: 21:[1, 21] Operation: 59-38=21 Exploring Operation: 59-1=58, Resulting Numbers: [38, 58] Generated Node #0,0,1: 21:[38, 58] Operation: 59-1=58 Exploring Operation: 38-1=37, Resulting Numbers: [59, 37] Generated Node #0,0,2: 21:[59, 37] Operation: 38-1=37 Moving to Node #0,2 Current State: 21:[38, 78, 20], Operations: ['79-59=20'] Exploring Operation: 78-38=40, Resulting Numbers: [20, 40] Generated Node #0,2,0: 21:[20, 40] Operation: 78-38=40 Exploring Operation: 78-20=58, Resulting Numbers: [38, 58] Generated Node #0,2,1: 21:[38, 58] Operation: 78-20=58 Exploring Operation: 38-20=18, Resulting Numbers: [78, 18] Generated Node #0,2,2: 21:[78, 18] Operation: 38-20=18 Moving to Node #0,1 Current State: 21:[38, 79, 19], Operations: ['78-59=19'] Exploring Operation: 38/19=2, Resulting Numbers: [79, 2] Generated Node #0,1,0: 21:[79, 2] Operation: 38/19=2 Exploring Operation: 79-38=41, Resulting Numbers: [19, 41] Generated Node #0,1,1: 21:[19, 41] Operation: 79-38=41 Exploring Operation: 79-19=60, Resulting Numbers: [38, 60] Generated Node #0,1,2: 21:[38, 60] Operation: 79-19=60 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 21:[19, 41], Operations: ['78-59=19', '79-38=41'] Exploring Operation: 41-19=22, Resulting Numbers: [22] 22,21 unequal: No Solution Exploring Operation: 19*41=779, Resulting Numbers: [779] 779,21 unequal: No Solution Exploring Operation: 19+41=60, Resulting Numbers: [60] 60,21 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 21:[38, 60], Operations: ['78-59=19', '79-19=60'] Exploring Operation: 38+60=98, Resulting Numbers: [98] 98,21 unequal: No Solution Exploring Operation: 38*60=2280, Resulting Numbers: [2280] 2280,21 unequal: No Solution Exploring Operation: 60-38=22, Resulting Numbers: [22] 22,21 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 21:[79, 2], Operations: ['78-59=19', '38/19=2'] Exploring Operation: 79*2=158, Resulting Numbers: [158] 158,21 unequal: No Solution Exploring Operation: 79+2=81, Resulting Numbers: [81] 81,21 unequal: No Solution Exploring Operation: 79-2=77, Resulting Numbers: [77] 77,21 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,0 Current State: 21:[1, 21], Operations: ['79-78=1', '59-38=21'] Exploring Operation: 1*21=21, Resulting Numbers: [21] 21,21 equal: Goal Reached Moving to Node #0 Current State: 21:[38, 78, 79, 59], Operations: [] Exploring Operation: 79-78=1, Resulting Numbers: [38, 59, 1] Generated Node #0,0: 21:[38, 59, 1] Operation: 79-78=1 Moving to Node #0,0 Current State: 21:[38, 59, 1], Operations: ['79-78=1'] Exploring Operation: 59-38=21, Resulting Numbers: [1, 21] Generated Node #0,0,0: 21:[1, 21] Operation: 59-38=21 Moving to Node #0,0,0 Current State: 21:[1, 21], Operations: ['79-78=1', '59-38=21'] Exploring Operation: 1*21=21, Resulting Numbers: [21] 21,21 equal: Goal Reached
0.977431
hs_3
sum_heuristic
[ 89, 4, 50, 25 ]
68
[ "89+4=93", "50-25=25", "93-25=68" ]
Current State: 68:[89, 4, 50, 25], Operations: [] Exploring Operation: 89+4=93, Resulting Numbers: [50, 25, 93] Generated Node #2: [50, 25, 93] from Operation: 89+4=93 Current State: 68:[50, 25, 93], Operations: ['89+4=93'] Exploring Operation: 50-25=25, Resulting Numbers: [93, 25] Generated Node #3: [93, 25] from Operation: 50-25=25 Current State: 68:[93, 25], Operations: ['89+4=93', '50-25=25'] Exploring Operation: 93-25=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
4
Current State: 68:[89, 4, 50, 25], Operations: [] Exploring Operation: 89-50=39, Resulting Numbers: [4, 25, 39] Generated Node #0,0: 68:[4, 25, 39] Operation: 89-50=39 Moving to Node #0,0 Current State: 68:[4, 25, 39], Operations: ['89-50=39'] Exploring Operation: 39-25=14, Resulting Numbers: [4, 14] Generated Node #0,0,0: 68:[4, 14] Operation: 39-25=14 Moving to Node #0,0,0 Current State: 68:[4, 14], Operations: ['89-50=39', '39-25=14'] Exploring Operation: 4+14=18, Resulting Numbers: [18] 18,68 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 23, 61, 20, 74 ]
16
[ "61-23=38", "74-20=54", "54-38=16" ]
Current State: 16:[23, 61, 20, 74], Operations: [] Exploring Operation: 61-23=38, Resulting Numbers: [20, 74, 38] Generated Node #2: [20, 74, 38] from Operation: 61-23=38 Current State: 16:[20, 74, 38], Operations: ['61-23=38'] Exploring Operation: 74-20=54, Resulting Numbers: [38, 54] Generated Node #3: [38, 54] from Operation: 74-20=54 Current State: 16:[38, 54], Operations: ['61-23=38', '74-20=54'] Exploring Operation: 54-38=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[23, 61, 20, 74], Operations: [] Exploring Operation: 61-23=38, Resulting Numbers: [20, 74, 38] Generated Node #0,0: 16:[20, 74, 38] Operation: 61-23=38 Exploring Operation: 61-20=41, Resulting Numbers: [23, 74, 41] Generated Node #0,1: 16:[23, 74, 41] Operation: 61-20=41 Exploring Operation: 74-23=51, Resulting Numbers: [61, 20, 51] Generated Node #0,2: 16:[61, 20, 51] Operation: 74-23=51 Exploring Operation: 74-61=13, Resulting Numbers: [23, 20, 13] Generated Node #0,3: 16:[23, 20, 13] Operation: 74-61=13 Exploring Operation: 74-20=54, Resulting Numbers: [23, 61, 54] Generated Node #0,4: 16:[23, 61, 54] Operation: 74-20=54 Moving to Node #0,3 Current State: 16:[23, 20, 13], Operations: ['74-61=13'] Exploring Operation: 23-13=10, Resulting Numbers: [20, 10] Generated Node #0,3,0: 16:[20, 10] Operation: 23-13=10 Exploring Operation: 20-13=7, Resulting Numbers: [23, 7] Generated Node #0,3,1: 16:[23, 7] Operation: 20-13=7 Exploring Operation: 20+13=33, Resulting Numbers: [23, 33] Generated Node #0,3,2: 16:[23, 33] Operation: 20+13=33 Exploring Operation: 23+13=36, Resulting Numbers: [20, 36] Generated Node #0,3,3: 16:[20, 36] Operation: 23+13=36 Exploring Operation: 23-20=3, Resulting Numbers: [13, 3] Generated Node #0,3,4: 16:[13, 3] Operation: 23-20=3 Moving to Node #0,2 Current State: 16:[61, 20, 51], Operations: ['74-23=51'] Exploring Operation: 61-20=41, Resulting Numbers: [51, 41] Generated Node #0,2,0: 16:[51, 41] Operation: 61-20=41 Exploring Operation: 61+51=112, Resulting Numbers: [20, 112] Generated Node #0,2,1: 16:[20, 112] Operation: 61+51=112 Exploring Operation: 61+20=81, Resulting Numbers: [51, 81] Generated Node #0,2,2: 16:[51, 81] Operation: 61+20=81 Exploring Operation: 61-51=10, Resulting Numbers: [20, 10] Generated Node #0,2,3: 16:[20, 10] Operation: 61-51=10 Exploring Operation: 51-20=31, Resulting Numbers: [61, 31] Generated Node #0,2,4: 16:[61, 31] Operation: 51-20=31 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 16:[20, 10], Operations: ['74-23=51', '61-51=10'] Exploring Operation: 20/10=2, Resulting Numbers: [2] 2,16 unequal: No Solution Exploring Operation: 20+10=30, Resulting Numbers: [30] 30,16 unequal: No Solution Exploring Operation: 20-10=10, Resulting Numbers: [10] 10,16 unequal: No Solution Exploring Operation: 20*10=200, Resulting Numbers: [200] 200,16 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:[51, 41], Operations: ['74-23=51', '61-20=41'] Exploring Operation: 51-41=10, Resulting Numbers: [10] 10,16 unequal: No Solution Exploring Operation: 51+41=92, Resulting Numbers: [92] 92,16 unequal: No Solution Exploring Operation: 51*41=2091, Resulting Numbers: [2091] 2091,16 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:[61, 31], Operations: ['74-23=51', '51-20=31'] Exploring Operation: 61-31=30, Resulting Numbers: [30] 30,16 unequal: No Solution Exploring Operation: 61*31=1891, Resulting Numbers: [1891] 1891,16 unequal: No Solution Exploring Operation: 61+31=92, Resulting Numbers: [92] 92,16 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:[20, 112], Operations: ['74-23=51', '61+51=112'] Exploring Operation: 20+112=132, Resulting Numbers: [132] 132,16 unequal: No Solution Exploring Operation: 20*112=2240, Resulting Numbers: [2240] 2240,16 unequal: No Solution Exploring Operation: 112-20=92, Resulting Numbers: [92] 92,16 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:[51, 81], Operations: ['74-23=51', '61+20=81'] Exploring Operation: 51*81=4131, Resulting Numbers: [4131] 4131,16 unequal: No Solution Exploring Operation: 81-51=30, Resulting Numbers: [30] 30,16 unequal: No Solution Exploring Operation: 51+81=132, Resulting Numbers: [132] 132,16 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:[20, 74, 38], Operations: ['61-23=38'] Exploring Operation: 74-20=54, Resulting Numbers: [38, 54] Generated Node #0,0,0: 16:[38, 54] Operation: 74-20=54 Exploring Operation: 74-38=36, Resulting Numbers: [20, 36] Generated Node #0,0,1: 16:[20, 36] Operation: 74-38=36 Exploring Operation: 20+74=94, Resulting Numbers: [38, 94] Generated Node #0,0,2: 16:[38, 94] Operation: 20+74=94 Exploring Operation: 38-20=18, Resulting Numbers: [74, 18] Generated Node #0,0,3: 16:[74, 18] Operation: 38-20=18 Exploring Operation: 20+38=58, Resulting Numbers: [74, 58] Generated Node #0,0,4: 16:[74, 58] Operation: 20+38=58 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 16:[20, 36], Operations: ['61-23=38', '74-38=36'] Exploring Operation: 36-20=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Moving to Node #0 Current State: 16:[23, 61, 20, 74], Operations: [] Exploring Operation: 61-23=38, Resulting Numbers: [20, 74, 38] Generated Node #0,0: 16:[20, 74, 38] Operation: 61-23=38 Moving to Node #0,0 Current State: 16:[20, 74, 38], Operations: ['61-23=38'] Exploring Operation: 74-38=36, Resulting Numbers: [20, 36] Generated Node #0,0,1: 16:[20, 36] Operation: 74-38=36 Moving to Node #0,0,1 Current State: 16:[20, 36], Operations: ['61-23=38', '74-38=36'] Exploring Operation: 36-20=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Exit Sub Search at level 1
0.96441
hs_5
sum_heuristic
[ 61, 80, 8, 63 ]
64
[ "63-61=2", "8*2=16", "80-16=64" ]
Current State: 64:[61, 80, 8, 63], Operations: [] Exploring Operation: 63-61=2, Resulting Numbers: [80, 8, 2] Generated Node #2: [80, 8, 2] from Operation: 63-61=2 Current State: 64:[80, 8, 2], Operations: ['63-61=2'] Exploring Operation: 8*2=16, Resulting Numbers: [80, 16] Generated Node #3: [80, 16] from Operation: 8*2=16 Current State: 64:[80, 16], Operations: ['63-61=2', '8*2=16'] Exploring Operation: 80-16=64, Resulting Numbers: [64] 64,64 equal: Goal Reached
4
Current State: 64:[61, 80, 8, 63], Operations: [] Exploring Operation: 80/8=10, Resulting Numbers: [61, 63, 10] Generated Node #0,0: 64:[61, 63, 10] Operation: 80/8=10 Exploring Operation: 80-63=17, Resulting Numbers: [61, 8, 17] Generated Node #0,1: 64:[61, 8, 17] Operation: 80-63=17 Exploring Operation: 80-61=19, Resulting Numbers: [8, 63, 19] Generated Node #0,2: 64:[8, 63, 19] Operation: 80-61=19 Moving to Node #0,1 Current State: 64:[61, 8, 17], Operations: ['80-63=17'] Exploring Operation: 8+17=25, Resulting Numbers: [61, 25] Generated Node #0,1,0: 64:[61, 25] Operation: 8+17=25 Exploring Operation: 61+8=69, Resulting Numbers: [17, 69] Generated Node #0,1,1: 64:[17, 69] Operation: 61+8=69 Exploring Operation: 17-8=9, Resulting Numbers: [61, 9] Generated Node #0,1,2: 64:[61, 9] Operation: 17-8=9 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 64:[61, 9], Operations: ['80-63=17', '17-8=9'] Exploring Operation: 61*9=549, Resulting Numbers: [549] 549,64 unequal: No Solution Exploring Operation: 61-9=52, Resulting Numbers: [52] 52,64 unequal: No Solution Exploring Operation: 61+9=70, Resulting Numbers: [70] 70,64 unequal: No Solution No 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: 64:[17, 69], Operations: ['80-63=17', '61+8=69'] Exploring Operation: 17+69=86, Resulting Numbers: [86] 86,64 unequal: No Solution Exploring Operation: 69-17=52, Resulting Numbers: [52] 52,64 unequal: No Solution Exploring Operation: 17*69=1173, Resulting Numbers: [1173] 1173,64 unequal: No Solution No 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: 64:[61, 25], Operations: ['80-63=17', '8+17=25'] Exploring Operation: 61-25=36, Resulting Numbers: [36] 36,64 unequal: No Solution Exploring Operation: 61*25=1525, Resulting Numbers: [1525] 1525,64 unequal: No Solution Exploring Operation: 61+25=86, Resulting Numbers: [86] 86,64 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: 64:[8, 63, 19], Operations: ['80-61=19'] Exploring Operation: 19-8=11, Resulting Numbers: [63, 11] Generated Node #0,2,0: 64:[63, 11] Operation: 19-8=11 Exploring Operation: 8+63=71, Resulting Numbers: [19, 71] Generated Node #0,2,1: 64:[19, 71] Operation: 8+63=71 Exploring Operation: 8+19=27, Resulting Numbers: [63, 27] Generated Node #0,2,2: 64:[63, 27] Operation: 8+19=27 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 64:[63, 11], Operations: ['80-61=19', '19-8=11'] Exploring Operation: 63-11=52, Resulting Numbers: [52] 52,64 unequal: No Solution Exploring Operation: 63+11=74, Resulting Numbers: [74] 74,64 unequal: No Solution Exploring Operation: 63*11=693, Resulting Numbers: [693] 693,64 unequal: No Solution No 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: 64:[63, 27], Operations: ['80-61=19', '8+19=27'] Exploring Operation: 63*27=1701, Resulting Numbers: [1701] 1701,64 unequal: No Solution Exploring Operation: 63-27=36, Resulting Numbers: [36] 36,64 unequal: No Solution Exploring Operation: 63+27=90, Resulting Numbers: [90] 90,64 unequal: No Solution No 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: 64:[19, 71], Operations: ['80-61=19', '8+63=71'] Exploring Operation: 19+71=90, Resulting Numbers: [90] 90,64 unequal: No Solution Exploring Operation: 71-19=52, Resulting Numbers: [52] 52,64 unequal: No Solution Exploring Operation: 19*71=1349, Resulting Numbers: [1349] 1349,64 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: 64:[61, 63, 10], Operations: ['80/8=10'] Exploring Operation: 61+10=71, Resulting Numbers: [63, 71] Generated Node #0,0,0: 64:[63, 71] Operation: 61+10=71 Exploring Operation: 63+10=73, Resulting Numbers: [61, 73] Generated Node #0,0,1: 64:[61, 73] Operation: 63+10=73 Exploring Operation: 63-61=2, Resulting Numbers: [10, 2] Generated Node #0,0,2: 64:[10, 2] Operation: 63-61=2 Moving to Node #0,0,2 Current State: 64:[10, 2], Operations: ['80/8=10', '63-61=2'] Exploring Operation: 10/2=5, Resulting Numbers: [5] 5,64 unequal: No Solution Exploring Operation: 10-2=8, Resulting Numbers: [8] 8,64 unequal: No Solution Exploring Operation: 10+2=12, Resulting Numbers: [12] 12,64 unequal: No Solution Moving to Node #0,0,0 Current State: 64:[63, 71], Operations: ['80/8=10', '61+10=71'] Exploring Operation: 63+71=134, Resulting Numbers: [134] 134,64 unequal: No Solution Exploring Operation: 71-63=8, Resulting Numbers: [8] 8,64 unequal: No Solution Exploring Operation: 63*71=4473, Resulting Numbers: [4473] 4473,64 unequal: No Solution Moving to Node #0,0,1 Current State: 64:[61, 73], Operations: ['80/8=10', '63+10=73'] Exploring Operation: 61*73=4453, Resulting Numbers: [4453] 4453,64 unequal: No Solution Exploring Operation: 73-61=12, Resulting Numbers: [12] 12,64 unequal: No Solution Exploring Operation: 61+73=134, Resulting Numbers: [134] 134,64 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 29, 58, 49, 71 ]
91
[ "58-29=29", "49+71=120", "120-29=91" ]
Current State: 91:[29, 58, 49, 71], Operations: [] Exploring Operation: 58-29=29, Resulting Numbers: [49, 71, 29] Generated Node #2: [49, 71, 29] from Operation: 58-29=29 Current State: 91:[49, 71, 29], Operations: ['58-29=29'] Exploring Operation: 49+71=120, Resulting Numbers: [29, 120] Generated Node #3: [29, 120] from Operation: 49+71=120 Current State: 91:[29, 120], Operations: ['58-29=29', '49+71=120'] Exploring Operation: 120-29=91, Resulting Numbers: [91] 91,91 equal: Goal Reached
4
Current State: 91:[29, 58, 49, 71], Operations: [] Exploring Operation: 58-49=9, Resulting Numbers: [29, 71, 9] Generated Node #0,0: 91:[29, 71, 9] Operation: 58-49=9 Moving to Node #0,0 Current State: 91:[29, 71, 9], Operations: ['58-49=9'] Exploring Operation: 29+71=100, Resulting Numbers: [9, 100] Generated Node #0,0,0: 91:[9, 100] Operation: 29+71=100 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 91:[9, 100], Operations: ['58-49=9', '29+71=100'] Exploring Operation: 100-9=91, Resulting Numbers: [91] 91,91 equal: Goal Reached Moving to Node #0 Current State: 91:[29, 58, 49, 71], Operations: [] Exploring Operation: 58-49=9, Resulting Numbers: [29, 71, 9] Generated Node #0,0: 91:[29, 71, 9] Operation: 58-49=9 Moving to Node #0,0 Current State: 91:[29, 71, 9], Operations: ['58-49=9'] Exploring Operation: 29+71=100, Resulting Numbers: [9, 100] Generated Node #0,0,0: 91:[9, 100] Operation: 29+71=100 Moving to Node #0,0,0 Current State: 91:[9, 100], Operations: ['58-49=9', '29+71=100'] Exploring Operation: 100-9=91, Resulting Numbers: [91] 91,91 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 25, 69, 3, 79 ]
77
[ "79-25=54", "69/3=23", "54+23=77" ]
Current State: 77:[25, 69, 3, 79], Operations: [] Exploring Operation: 79-25=54, Resulting Numbers: [69, 3, 54] Generated Node #2: [69, 3, 54] from Operation: 79-25=54 Current State: 77:[69, 3, 54], Operations: ['79-25=54'] Exploring Operation: 69/3=23, Resulting Numbers: [54, 23] Generated Node #3: [54, 23] from Operation: 69/3=23 Current State: 77:[54, 23], Operations: ['79-25=54', '69/3=23'] Exploring Operation: 54+23=77, Resulting Numbers: [77] 77,77 equal: Goal Reached
4
Current State: 77:[25, 69, 3, 79], Operations: [] Exploring Operation: 25*3=75, Resulting Numbers: [69, 79, 75] Generated Node #0,0: 77:[69, 79, 75] Operation: 25*3=75 Exploring Operation: 79-69=10, Resulting Numbers: [25, 3, 10] Generated Node #0,1: 77:[25, 3, 10] Operation: 79-69=10 Exploring Operation: 25-3=22, Resulting Numbers: [69, 79, 22] Generated Node #0,2: 77:[69, 79, 22] Operation: 25-3=22 Exploring Operation: 69+3=72, Resulting Numbers: [25, 79, 72] Generated Node #0,3: 77:[25, 79, 72] Operation: 69+3=72 Moving to Node #0,0 Current State: 77:[69, 79, 75], Operations: ['25*3=75'] Exploring Operation: 75-69=6, Resulting Numbers: [79, 6] Generated Node #0,0,0: 77:[79, 6] Operation: 75-69=6 Exploring Operation: 79-75=4, Resulting Numbers: [69, 4] Generated Node #0,0,1: 77:[69, 4] Operation: 79-75=4 Exploring Operation: 79-69=10, Resulting Numbers: [75, 10] Generated Node #0,0,2: 77:[75, 10] Operation: 79-69=10 Exploring Operation: 69+75=144, Resulting Numbers: [79, 144] Generated Node #0,0,3: 77:[79, 144] Operation: 69+75=144 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 77:[79, 6], Operations: ['25*3=75', '75-69=6'] Exploring Operation: 79-6=73, Resulting Numbers: [73] 73,77 unequal: No Solution Exploring Operation: 79*6=474, Resulting Numbers: [474] 474,77 unequal: No Solution Exploring Operation: 79+6=85, Resulting Numbers: [85] 85,77 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 #0,0,2 Current State: 77:[75, 10], Operations: ['25*3=75', '79-69=10'] Exploring Operation: 75*10=750, Resulting Numbers: [750] 750,77 unequal: No Solution Exploring Operation: 75+10=85, Resulting Numbers: [85] 85,77 unequal: No Solution Exploring Operation: 75-10=65, Resulting Numbers: [65] 65,77 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 #0,0,1 Current State: 77:[69, 4], Operations: ['25*3=75', '79-75=4'] Exploring Operation: 69-4=65, Resulting Numbers: [65] 65,77 unequal: No Solution Exploring Operation: 69+4=73, Resulting Numbers: [73] 73,77 unequal: No Solution Exploring Operation: 69*4=276, Resulting Numbers: [276] 276,77 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 #0,0,3 Current State: 77:[79, 144], Operations: ['25*3=75', '69+75=144'] Exploring Operation: 79*144=11376, Resulting Numbers: [11376] 11376,77 unequal: No Solution Exploring Operation: 144-79=65, Resulting Numbers: [65] 65,77 unequal: No Solution Exploring Operation: 79+144=223, Resulting Numbers: [223] 223,77 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: 77:[25, 3, 10], Operations: ['79-69=10'] Exploring Operation: 25-10=15, Resulting Numbers: [3, 15] Generated Node #0,1,0: 77:[3, 15] Operation: 25-10=15 Exploring Operation: 25*3=75, Resulting Numbers: [10, 75] Generated Node #0,1,1: 77:[10, 75] Operation: 25*3=75 Exploring Operation: 25-3=22, Resulting Numbers: [10, 22] Generated Node #0,1,2: 77:[10, 22] Operation: 25-3=22 Exploring Operation: 10-3=7, Resulting Numbers: [25, 7] Generated Node #0,1,3: 77:[25, 7] Operation: 10-3=7 Moving to Node #0,3 Current State: 77:[25, 79, 72], Operations: ['69+3=72'] Exploring Operation: 79-25=54, Resulting Numbers: [72, 54] Generated Node #0,3,0: 77:[72, 54] Operation: 79-25=54 Exploring Operation: 25+72=97, Resulting Numbers: [79, 97] Generated Node #0,3,1: 77:[79, 97] Operation: 25+72=97 Exploring Operation: 79-72=7, Resulting Numbers: [25, 7] Generated Node #0,3,2: 77:[25, 7] Operation: 79-72=7 Exploring Operation: 25+79=104, Resulting Numbers: [72, 104] Generated Node #0,3,3: 77:[72, 104] Operation: 25+79=104 Moving to Node #0,2 Current State: 77:[69, 79, 22], Operations: ['25-3=22'] Exploring Operation: 69+22=91, Resulting Numbers: [79, 91] Generated Node #0,2,0: 77:[79, 91] Operation: 69+22=91 Exploring Operation: 79-69=10, Resulting Numbers: [22, 10] Generated Node #0,2,1: 77:[22, 10] Operation: 79-69=10 Exploring Operation: 79-22=57, Resulting Numbers: [69, 57] Generated Node #0,2,2: 77:[69, 57] Operation: 79-22=57 Exploring Operation: 69-22=47, Resulting Numbers: [79, 47] Generated Node #0,2,3: 77:[79, 47] Operation: 69-22=47 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 77:[22, 10], Operations: ['25-3=22', '79-69=10'] Exploring Operation: 22+10=32, Resulting Numbers: [32] 32,77 unequal: No Solution Exploring Operation: 22-10=12, Resulting Numbers: [12] 12,77 unequal: No Solution Exploring Operation: 22*10=220, Resulting Numbers: [220] 220,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 77:[79, 91], Operations: ['25-3=22', '69+22=91'] Exploring Operation: 91-79=12, Resulting Numbers: [12] 12,77 unequal: No Solution Exploring Operation: 79+91=170, Resulting Numbers: [170] 170,77 unequal: No Solution Exploring Operation: 79*91=7189, Resulting Numbers: [7189] 7189,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 77:[69, 57], Operations: ['25-3=22', '79-22=57'] Exploring Operation: 69+57=126, Resulting Numbers: [126] 126,77 unequal: No Solution Exploring Operation: 69-57=12, Resulting Numbers: [12] 12,77 unequal: No Solution Exploring Operation: 69*57=3933, Resulting Numbers: [3933] 3933,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 77:[79, 47], Operations: ['25-3=22', '69-22=47'] Exploring Operation: 79-47=32, Resulting Numbers: [32] 32,77 unequal: No Solution Exploring Operation: 79*47=3713, Resulting Numbers: [3713] 3713,77 unequal: No Solution Exploring Operation: 79+47=126, Resulting Numbers: [126] 126,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1,1 Current State: 77:[10, 75], Operations: ['79-69=10', '25*3=75'] Exploring Operation: 10*75=750, Resulting Numbers: [750] 750,77 unequal: No Solution Exploring Operation: 10+75=85, Resulting Numbers: [85] 85,77 unequal: No Solution Exploring Operation: 75-10=65, Resulting Numbers: [65] 65,77 unequal: No Solution Moving to Node #0,1,0 Current State: 77:[3, 15], Operations: ['79-69=10', '25-10=15'] Exploring Operation: 15/3=5, Resulting Numbers: [5] 5,77 unequal: No Solution Exploring Operation: 3+15=18, Resulting Numbers: [18] 18,77 unequal: No Solution Exploring Operation: 3*15=45, Resulting Numbers: [45] 45,77 unequal: No Solution Exploring Operation: 15-3=12, Resulting Numbers: [12] 12,77 unequal: No Solution Moving to Node #0,1,2 Current State: 77:[10, 22], Operations: ['79-69=10', '25-3=22'] Exploring Operation: 10*22=220, Resulting Numbers: [220] 220,77 unequal: No Solution Exploring Operation: 22-10=12, Resulting Numbers: [12] 12,77 unequal: No Solution Exploring Operation: 10+22=32, Resulting Numbers: [32] 32,77 unequal: No Solution Moving to Node #0,3,2 Current State: 77:[25, 7], Operations: ['69+3=72', '79-72=7'] Exploring Operation: 25+7=32, Resulting Numbers: [32] 32,77 unequal: No Solution Exploring Operation: 25-7=18, Resulting Numbers: [18] 18,77 unequal: No Solution Exploring Operation: 25*7=175, Resulting Numbers: [175] 175,77 unequal: No Solution Moving to Node #0,1,3 Current State: 77:[25, 7], Operations: ['79-69=10', '10-3=7'] Exploring Operation: 25+7=32, Resulting Numbers: [32] 32,77 unequal: No Solution Exploring Operation: 25-7=18, Resulting Numbers: [18] 18,77 unequal: No Solution Exploring Operation: 25*7=175, Resulting Numbers: [175] 175,77 unequal: No Solution Moving to Node #0,3,1 Current State: 77:[79, 97], Operations: ['69+3=72', '25+72=97'] Exploring Operation: 79+97=176, Resulting Numbers: [176] 176,77 unequal: No Solution Exploring Operation: 79*97=7663, Resulting Numbers: [7663] 7663,77 unequal: No Solution Exploring Operation: 97-79=18, Resulting Numbers: [18] 18,77 unequal: No Solution Moving to Node #0,3,0 Current State: 77:[72, 54], Operations: ['69+3=72', '79-25=54'] Exploring Operation: 72*54=3888, Resulting Numbers: [3888] 3888,77 unequal: No Solution Exploring Operation: 72-54=18, Resulting Numbers: [18] 18,77 unequal: No Solution Exploring Operation: 72+54=126, Resulting Numbers: [126] 126,77 unequal: No Solution Moving to Node #0,3,3 Current State: 77:[72, 104], Operations: ['69+3=72', '25+79=104'] Exploring Operation: 72*104=7488, Resulting Numbers: [7488] 7488,77 unequal: No Solution Exploring Operation: 104-72=32, Resulting Numbers: [32] 32,77 unequal: No Solution Exploring Operation: 72+104=176, Resulting Numbers: [176] 176,77 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 58, 89, 2, 3 ]
12
[ "89+3=92", "92/2=46", "58-46=12" ]
Current State: 12:[58, 89, 2, 3], Operations: [] Exploring Operation: 89+3=92, Resulting Numbers: [58, 2, 92] Generated Node #2: [58, 2, 92] from Operation: 89+3=92 Current State: 12:[58, 2, 92], Operations: ['89+3=92'] Exploring Operation: 92/2=46, Resulting Numbers: [58, 46] Generated Node #3: [58, 46] from Operation: 92/2=46 Current State: 12:[58, 46], Operations: ['89+3=92', '92/2=46'] Exploring Operation: 58-46=12, Resulting Numbers: [12] 12,12 equal: Goal Reached
4
Current State: 12:[58, 89, 2, 3], Operations: [] Exploring Operation: 89-3=86, Resulting Numbers: [58, 2, 86] Generated Node #0,0: 12:[58, 2, 86] Operation: 89-3=86 Exploring Operation: 58/2=29, Resulting Numbers: [89, 3, 29] Generated Node #0,1: 12:[89, 3, 29] Operation: 58/2=29 Exploring Operation: 58-2=56, Resulting Numbers: [89, 3, 56] Generated Node #0,2: 12:[89, 3, 56] Operation: 58-2=56 Exploring Operation: 58-3=55, Resulting Numbers: [89, 2, 55] Generated Node #0,3: 12:[89, 2, 55] Operation: 58-3=55 Exploring Operation: 89-58=31, Resulting Numbers: [2, 3, 31] Generated Node #0,4: 12:[2, 3, 31] Operation: 89-58=31 Start Sub Search at level 1: Moving to Node #0,4 Current State: 12:[2, 3, 31], Operations: ['89-58=31'] Exploring Operation: 2*3=6, Resulting Numbers: [31, 6] Generated Node #0,4,0: 12:[31, 6] Operation: 2*3=6 Exploring Operation: 31-3=28, Resulting Numbers: [2, 28] Generated Node #0,4,1: 12:[2, 28] Operation: 31-3=28 Exploring Operation: 2+3=5, Resulting Numbers: [31, 5] Generated Node #0,4,2: 12:[31, 5] Operation: 2+3=5 Exploring Operation: 31-2=29, Resulting Numbers: [3, 29] Generated Node #0,4,3: 12:[3, 29] Operation: 31-2=29 Exploring Operation: 3-2=1, Resulting Numbers: [31, 1] Generated Node #0,4,4: 12:[31, 1] Operation: 3-2=1 Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 12:[2, 28], Operations: ['89-58=31', '31-3=28'] Exploring Operation: 2*28=56, Resulting Numbers: [56] 56,12 unequal: No Solution Exploring Operation: 28-2=26, Resulting Numbers: [26] 26,12 unequal: No Solution Exploring Operation: 2+28=30, Resulting Numbers: [30] 30,12 unequal: No Solution Exploring Operation: 28/2=14, Resulting Numbers: [14] 14,12 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 12:[3, 29], Operations: ['89-58=31', '31-2=29'] Exploring Operation: 3+29=32, Resulting Numbers: [32] 32,12 unequal: No Solution Exploring Operation: 3*29=87, Resulting Numbers: [87] 87,12 unequal: No Solution Exploring Operation: 29-3=26, Resulting Numbers: [26] 26,12 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 12:[31, 6], Operations: ['89-58=31', '2*3=6'] Exploring Operation: 31*6=186, Resulting Numbers: [186] 186,12 unequal: No Solution Exploring Operation: 31-6=25, Resulting Numbers: [25] 25,12 unequal: No Solution Exploring Operation: 31+6=37, Resulting Numbers: [37] 37,12 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 12:[31, 5], Operations: ['89-58=31', '2+3=5'] Exploring Operation: 31+5=36, Resulting Numbers: [36] 36,12 unequal: No Solution Exploring Operation: 31*5=155, Resulting Numbers: [155] 155,12 unequal: No Solution Exploring Operation: 31-5=26, Resulting Numbers: [26] 26,12 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 12:[31, 1], Operations: ['89-58=31', '3-2=1'] Exploring Operation: 31-1=30, Resulting Numbers: [30] 30,12 unequal: No Solution Exploring Operation: 31+1=32, Resulting Numbers: [32] 32,12 unequal: No Solution Exploring Operation: 31/1=31, Resulting Numbers: [31] 31,12 unequal: No Solution Exploring Operation: 31*1=31, Resulting Numbers: [31] 31,12 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 12:[89, 3, 29], Operations: ['58/2=29'] Exploring Operation: 89-29=60, Resulting Numbers: [3, 60] Generated Node #0,1,0: 12:[3, 60] Operation: 89-29=60 Exploring Operation: 89+3=92, Resulting Numbers: [29, 92] Generated Node #0,1,1: 12:[29, 92] Operation: 89+3=92 Exploring Operation: 3+29=32, Resulting Numbers: [89, 32] Generated Node #0,1,2: 12:[89, 32] Operation: 3+29=32 Exploring Operation: 29-3=26, Resulting Numbers: [89, 26] Generated Node #0,1,3: 12:[89, 26] Operation: 29-3=26 Exploring Operation: 89-3=86, Resulting Numbers: [29, 86] Generated Node #0,1,4: 12:[29, 86] Operation: 89-3=86 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 12:[3, 60], Operations: ['58/2=29', '89-29=60'] Exploring Operation: 60/3=20, Resulting Numbers: [20] 20,12 unequal: No Solution Exploring Operation: 60-3=57, Resulting Numbers: [57] 57,12 unequal: No Solution Exploring Operation: 3*60=180, Resulting Numbers: [180] 180,12 unequal: No Solution Exploring Operation: 3+60=63, Resulting Numbers: [63] 63,12 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 12:[89, 26], Operations: ['58/2=29', '29-3=26'] Exploring Operation: 89+26=115, Resulting Numbers: [115] 115,12 unequal: No Solution Exploring Operation: 89*26=2314, Resulting Numbers: [2314] 2314,12 unequal: No Solution Exploring Operation: 89-26=63, Resulting Numbers: [63] 63,12 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 12:[29, 86], Operations: ['58/2=29', '89-3=86'] Exploring Operation: 29+86=115, Resulting Numbers: [115] 115,12 unequal: No Solution Exploring Operation: 29*86=2494, Resulting Numbers: [2494] 2494,12 unequal: No Solution Exploring Operation: 86-29=57, Resulting Numbers: [57] 57,12 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 12:[29, 92], Operations: ['58/2=29', '89+3=92'] Exploring Operation: 92-29=63, Resulting Numbers: [63] 63,12 unequal: No Solution Exploring Operation: 29*92=2668, Resulting Numbers: [2668] 2668,12 unequal: No Solution Exploring Operation: 29+92=121, Resulting Numbers: [121] 121,12 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 12:[89, 32], Operations: ['58/2=29', '3+29=32'] Exploring Operation: 89*32=2848, Resulting Numbers: [2848] 2848,12 unequal: No Solution Exploring Operation: 89-32=57, Resulting Numbers: [57] 57,12 unequal: No Solution Exploring Operation: 89+32=121, Resulting Numbers: [121] 121,12 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 12:[58, 2, 86], Operations: ['89-3=86'] Exploring Operation: 86-2=84, Resulting Numbers: [58, 84] Generated Node #0,0,0: 12:[58, 84] Operation: 86-2=84 Exploring Operation: 58-2=56, Resulting Numbers: [86, 56] Generated Node #0,0,1: 12:[86, 56] Operation: 58-2=56 Exploring Operation: 86/2=43, Resulting Numbers: [58, 43] Generated Node #0,0,2: 12:[58, 43] Operation: 86/2=43 Exploring Operation: 86-58=28, Resulting Numbers: [2, 28] Generated Node #0,0,3: 12:[2, 28] Operation: 86-58=28 Exploring Operation: 58/2=29, Resulting Numbers: [86, 29] Generated Node #0,0,4: 12:[86, 29] Operation: 58/2=29 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 12:[2, 28], Operations: ['89-3=86', '86-58=28'] Exploring Operation: 2*28=56, Resulting Numbers: [56] 56,12 unequal: No Solution Exploring Operation: 2+28=30, Resulting Numbers: [30] 30,12 unequal: No Solution Exploring Operation: 28/2=14, Resulting Numbers: [14] 14,12 unequal: No Solution Exploring Operation: 28-2=26, Resulting Numbers: [26] 26,12 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 12:[58, 43], Operations: ['89-3=86', '86/2=43'] Exploring Operation: 58+43=101, Resulting Numbers: [101] 101,12 unequal: No Solution Exploring Operation: 58-43=15, Resulting Numbers: [15] 15,12 unequal: No Solution Exploring Operation: 58*43=2494, Resulting Numbers: [2494] 2494,12 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 12:[86, 29], Operations: ['89-3=86', '58/2=29'] Exploring Operation: 86*29=2494, Resulting Numbers: [2494] 2494,12 unequal: No Solution Exploring Operation: 86+29=115, Resulting Numbers: [115] 115,12 unequal: No Solution Exploring Operation: 86-29=57, Resulting Numbers: [57] 57,12 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 12:[58, 84], Operations: ['89-3=86', '86-2=84'] Exploring Operation: 58*84=4872, Resulting Numbers: [4872] 4872,12 unequal: No Solution Exploring Operation: 84-58=26, Resulting Numbers: [26] 26,12 unequal: No Solution Exploring Operation: 58+84=142, Resulting Numbers: [142] 142,12 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 12:[86, 56], Operations: ['89-3=86', '58-2=56'] Exploring Operation: 86*56=4816, Resulting Numbers: [4816] 4816,12 unequal: No Solution Exploring Operation: 86+56=142, Resulting Numbers: [142] 142,12 unequal: No Solution Exploring Operation: 86-56=30, Resulting Numbers: [30] 30,12 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 12:[89, 2, 55], Operations: ['58-3=55'] Exploring Operation: 55-2=53, Resulting Numbers: [89, 53] Generated Node #0,3,0: 12:[89, 53] Operation: 55-2=53 Exploring Operation: 89+2=91, Resulting Numbers: [55, 91] Generated Node #0,3,1: 12:[55, 91] Operation: 89+2=91 Exploring Operation: 89-2=87, Resulting Numbers: [55, 87] Generated Node #0,3,2: 12:[55, 87] Operation: 89-2=87 Exploring Operation: 89-55=34, Resulting Numbers: [2, 34] Generated Node #0,3,3: 12:[2, 34] Operation: 89-55=34 Exploring Operation: 2+55=57, Resulting Numbers: [89, 57] Generated Node #0,3,4: 12:[89, 57] Operation: 2+55=57 Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 12:[2, 34], Operations: ['58-3=55', '89-55=34'] Exploring Operation: 2+34=36, Resulting Numbers: [36] 36,12 unequal: No Solution Exploring Operation: 34-2=32, Resulting Numbers: [32] 32,12 unequal: No Solution Exploring Operation: 34/2=17, Resulting Numbers: [17] 17,12 unequal: No Solution Exploring Operation: 2*34=68, Resulting Numbers: [68] 68,12 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 12:[89, 53], Operations: ['58-3=55', '55-2=53'] Exploring Operation: 89+53=142, Resulting Numbers: [142] 142,12 unequal: No Solution Exploring Operation: 89*53=4717, Resulting Numbers: [4717] 4717,12 unequal: No Solution Exploring Operation: 89-53=36, Resulting Numbers: [36] 36,12 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 12:[55, 87], Operations: ['58-3=55', '89-2=87'] Exploring Operation: 55*87=4785, Resulting Numbers: [4785] 4785,12 unequal: No Solution Exploring Operation: 55+87=142, Resulting Numbers: [142] 142,12 unequal: No Solution Exploring Operation: 87-55=32, Resulting Numbers: [32] 32,12 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 12:[55, 91], Operations: ['58-3=55', '89+2=91'] Exploring Operation: 91-55=36, Resulting Numbers: [36] 36,12 unequal: No Solution Exploring Operation: 55*91=5005, Resulting Numbers: [5005] 5005,12 unequal: No Solution Exploring Operation: 55+91=146, Resulting Numbers: [146] 146,12 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 12:[89, 57], Operations: ['58-3=55', '2+55=57'] Exploring Operation: 89-57=32, Resulting Numbers: [32] 32,12 unequal: No Solution Exploring Operation: 89*57=5073, Resulting Numbers: [5073] 5073,12 unequal: No Solution Exploring Operation: 89+57=146, Resulting Numbers: [146] 146,12 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 12:[89, 3, 56], Operations: ['58-2=56'] Exploring Operation: 89+3=92, Resulting Numbers: [56, 92] Generated Node #0,2,0: 12:[56, 92] Operation: 89+3=92 Exploring Operation: 56-3=53, Resulting Numbers: [89, 53] Generated Node #0,2,1: 12:[89, 53] Operation: 56-3=53 Exploring Operation: 89-56=33, Resulting Numbers: [3, 33] Generated Node #0,2,2: 12:[3, 33] Operation: 89-56=33 Exploring Operation: 3+56=59, Resulting Numbers: [89, 59] Generated Node #0,2,3: 12:[89, 59] Operation: 3+56=59 Exploring Operation: 89-3=86, Resulting Numbers: [56, 86] Generated Node #0,2,4: 12:[56, 86] Operation: 89-3=86 Moving to Node #0,2,2 Current State: 12:[3, 33], Operations: ['58-2=56', '89-56=33'] Exploring Operation: 3+33=36, Resulting Numbers: [36] 36,12 unequal: No Solution Exploring Operation: 3*33=99, Resulting Numbers: [99] 99,12 unequal: No Solution Exploring Operation: 33/3=11, Resulting Numbers: [11] 11,12 unequal: No Solution Exploring Operation: 33-3=30, Resulting Numbers: [30] 30,12 unequal: No Solution Moving to Node #0,2,4 Current State: 12:[56, 86], Operations: ['58-2=56', '89-3=86'] Exploring Operation: 56*86=4816, Resulting Numbers: [4816] 4816,12 unequal: No Solution Exploring Operation: 86-56=30, Resulting Numbers: [30] 30,12 unequal: No Solution Exploring Operation: 56+86=142, Resulting Numbers: [142] 142,12 unequal: No Solution Moving to Node #0,2,1 Current State: 12:[89, 53], Operations: ['58-2=56', '56-3=53'] Exploring Operation: 89*53=4717, Resulting Numbers: [4717] 4717,12 unequal: No Solution Exploring Operation: 89+53=142, Resulting Numbers: [142] 142,12 unequal: No Solution Exploring Operation: 89-53=36, Resulting Numbers: [36] 36,12 unequal: No Solution Moving to Node #0,2,0 Current State: 12:[56, 92], Operations: ['58-2=56', '89+3=92'] Exploring Operation: 56*92=5152, Resulting Numbers: [5152] 5152,12 unequal: No Solution Exploring Operation: 92-56=36, Resulting Numbers: [36] 36,12 unequal: No Solution Exploring Operation: 56+92=148, Resulting Numbers: [148] 148,12 unequal: No Solution Moving to Node #0,2,3 Current State: 12:[89, 59], Operations: ['58-2=56', '3+56=59'] Exploring Operation: 89+59=148, Resulting Numbers: [148] 148,12 unequal: No Solution Exploring Operation: 89*59=5251, Resulting Numbers: [5251] 5251,12 unequal: No Solution Exploring Operation: 89-59=30, Resulting Numbers: [30] 30,12 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
[ 60, 24, 27, 59 ]
80
[ "59-27=32", "60*32=1920", "1920/24=80" ]
Current State: 80:[60, 24, 27, 59], Operations: [] Exploring Operation: 59-27=32, Resulting Numbers: [60, 24, 32] Generated Node #2: [60, 24, 32] from Operation: 59-27=32 Current State: 80:[60, 24, 32], Operations: ['59-27=32'] Exploring Operation: 60*32=1920, Resulting Numbers: [24, 1920] Generated Node #3: [24, 1920] from Operation: 60*32=1920 Current State: 80:[24, 1920], Operations: ['59-27=32', '60*32=1920'] Exploring Operation: 1920/24=80, Resulting Numbers: [80] 80,80 equal: Goal Reached
4
Current State: 80:[60, 24, 27, 59], Operations: [] Exploring Operation: 60-59=1, Resulting Numbers: [24, 27, 1] Generated Node #0,0: 80:[24, 27, 1] Operation: 60-59=1 Start Sub Search at level 1: Moving to Node #0,0 Current State: 80:[24, 27, 1], Operations: ['60-59=1'] Exploring Operation: 27-24=3, Resulting Numbers: [1, 3] Generated Node #0,0,0: 80:[1, 3] Operation: 27-24=3 Moving to Node #0,0,0 Current State: 80:[1, 3], Operations: ['60-59=1', '27-24=3'] Exploring Operation: 1+3=4, Resulting Numbers: [4] 4,80 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
[ 3, 74, 6, 40 ]
40
[ "3*40=120", "74+6=80", "120-80=40" ]
Current State: 40:[3, 74, 6, 40], Operations: [] Exploring Operation: 3*40=120, Resulting Numbers: [74, 6, 120] Generated Node #2: [74, 6, 120] from Operation: 3*40=120 Current State: 40:[74, 6, 120], Operations: ['3*40=120'] Exploring Operation: 74+6=80, Resulting Numbers: [120, 80] Generated Node #3: [120, 80] from Operation: 74+6=80 Current State: 40:[120, 80], Operations: ['3*40=120', '74+6=80'] Exploring Operation: 120-80=40, Resulting Numbers: [40] 40,40 equal: Goal Reached
4
Current State: 40:[3, 74, 6, 40], Operations: [] Exploring Operation: 74-40=34, Resulting Numbers: [3, 6, 34] Generated Node #0,0: 40:[3, 6, 34] Operation: 74-40=34 Moving to Node #0,0 Current State: 40:[3, 6, 34], Operations: ['74-40=34'] Exploring Operation: 6+34=40, Resulting Numbers: [3, 40] Generated Node #0,0,0: 40:[3, 40] Operation: 6+34=40 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 40:[3, 40], Operations: ['74-40=34', '6+34=40'] Exploring Operation: 3+40=43, Resulting Numbers: [43] 43,40 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
[ 41, 1, 2, 16 ]
32
[ "41-1=40", "16/2=8", "40-8=32" ]
Current State: 32:[41, 1, 2, 16], Operations: [] Exploring Operation: 41-1=40, Resulting Numbers: [2, 16, 40] Generated Node #2: [2, 16, 40] from Operation: 41-1=40 Current State: 32:[2, 16, 40], Operations: ['41-1=40'] Exploring Operation: 16/2=8, Resulting Numbers: [40, 8] Generated Node #3: [40, 8] from Operation: 16/2=8 Current State: 32:[40, 8], Operations: ['41-1=40', '16/2=8'] Exploring Operation: 40-8=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[41, 1, 2, 16], Operations: [] Exploring Operation: 41-1=40, Resulting Numbers: [2, 16, 40] Generated Node #0,0: 32:[2, 16, 40] Operation: 41-1=40 Exploring Operation: 41-2=39, Resulting Numbers: [1, 16, 39] Generated Node #0,1: 32:[1, 16, 39] Operation: 41-2=39 Exploring Operation: 41*1=41, Resulting Numbers: [2, 16, 41] Generated Node #0,2: 32:[2, 16, 41] Operation: 41*1=41 Exploring Operation: 41-16=25, Resulting Numbers: [1, 2, 25] Generated Node #0,3: 32:[1, 2, 25] Operation: 41-16=25 Exploring Operation: 41/1=41, Resulting Numbers: [2, 16, 41] Generated Node #0,4: 32:[2, 16, 41] Operation: 41/1=41 Start Sub Search at level 1: Moving to Node #0,0 Current State: 32:[2, 16, 40], Operations: ['41-1=40'] Exploring Operation: 40/2=20, Resulting Numbers: [16, 20] Generated Node #0,0,0: 32:[16, 20] Operation: 40/2=20 Exploring Operation: 16/2=8, Resulting Numbers: [40, 8] Generated Node #0,0,1: 32:[40, 8] Operation: 16/2=8 Exploring Operation: 40-2=38, Resulting Numbers: [16, 38] Generated Node #0,0,2: 32:[16, 38] Operation: 40-2=38 Exploring Operation: 40-16=24, Resulting Numbers: [2, 24] Generated Node #0,0,3: 32:[2, 24] Operation: 40-16=24 Exploring Operation: 2*16=32, Resulting Numbers: [40, 32] Generated Node #0,0,4: 32:[40, 32] Operation: 2*16=32 Moving to Node #0,0,0 Current State: 32:[16, 20], Operations: ['41-1=40', '40/2=20'] Exploring Operation: 16+20=36, Resulting Numbers: [36] 36,32 unequal: No Solution Exploring Operation: 20-16=4, Resulting Numbers: [4] 4,32 unequal: No Solution Exploring Operation: 16*20=320, Resulting Numbers: [320] 320,32 unequal: No Solution Moving to Node #0,0,2 Current State: 32:[16, 38], Operations: ['41-1=40', '40-2=38'] Exploring Operation: 16*38=608, Resulting Numbers: [608] 608,32 unequal: No Solution Exploring Operation: 16+38=54, Resulting Numbers: [54] 54,32 unequal: No Solution Exploring Operation: 38-16=22, Resulting Numbers: [22] 22,32 unequal: No Solution Moving to Node #0,0,1 Current State: 32:[40, 8], Operations: ['41-1=40', '16/2=8'] Exploring Operation: 40/8=5, Resulting Numbers: [5] 5,32 unequal: No Solution Exploring Operation: 40+8=48, Resulting Numbers: [48] 48,32 unequal: No Solution Exploring Operation: 40*8=320, Resulting Numbers: [320] 320,32 unequal: No Solution Exploring Operation: 40-8=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Moving to Node #0 Current State: 32:[41, 1, 2, 16], Operations: [] Exploring Operation: 41-1=40, Resulting Numbers: [2, 16, 40] Generated Node #0,0: 32:[2, 16, 40] Operation: 41-1=40 Moving to Node #0,0 Current State: 32:[2, 16, 40], Operations: ['41-1=40'] Exploring Operation: 16/2=8, Resulting Numbers: [40, 8] Generated Node #0,0,1: 32:[40, 8] Operation: 16/2=8 Moving to Node #0,0,1 Current State: 32:[40, 8], Operations: ['41-1=40', '16/2=8'] Exploring Operation: 40-8=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Exit Sub Search at level 1
0.979167
hs_5
mult_heuristic
[ 25, 89, 65, 71 ]
58
[ "89-25=64", "71-65=6", "64-6=58" ]
Current State: 58:[25, 89, 65, 71], Operations: [] Exploring Operation: 89-25=64, Resulting Numbers: [65, 71, 64] Generated Node #2: [65, 71, 64] from Operation: 89-25=64 Current State: 58:[65, 71, 64], Operations: ['89-25=64'] Exploring Operation: 71-65=6, Resulting Numbers: [64, 6] Generated Node #3: [64, 6] from Operation: 71-65=6 Current State: 58:[64, 6], Operations: ['89-25=64', '71-65=6'] Exploring Operation: 64-6=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[25, 89, 65, 71], Operations: [] Exploring Operation: 89-65=24, Resulting Numbers: [25, 71, 24] Generated Node #0,0: 58:[25, 71, 24] Operation: 89-65=24 Moving to Node #0,0 Current State: 58:[25, 71, 24], Operations: ['89-65=24'] Exploring Operation: 25-24=1, Resulting Numbers: [71, 1] Generated Node #0,0,0: 58:[71, 1] Operation: 25-24=1 Moving to Node #0,0,0 Current State: 58:[71, 1], Operations: ['89-65=24', '25-24=1'] Exploring Operation: 71-1=70, Resulting Numbers: [70] 70,58 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 36, 26, 48, 62 ]
66
[ "26+62=88", "36*88=3168", "3168/48=66" ]
Current State: 66:[36, 26, 48, 62], Operations: [] Exploring Operation: 26+62=88, Resulting Numbers: [36, 48, 88] Generated Node #2: [36, 48, 88] from Operation: 26+62=88 Current State: 66:[36, 48, 88], Operations: ['26+62=88'] Exploring Operation: 36*88=3168, Resulting Numbers: [48, 3168] Generated Node #3: [48, 3168] from Operation: 36*88=3168 Current State: 66:[48, 3168], Operations: ['26+62=88', '36*88=3168'] Exploring Operation: 3168/48=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
4
Current State: 66:[36, 26, 48, 62], Operations: [] Exploring Operation: 26+48=74, Resulting Numbers: [36, 62, 74] Generated Node #0,0: 66:[36, 62, 74] Operation: 26+48=74 Exploring Operation: 36-26=10, Resulting Numbers: [48, 62, 10] Generated Node #0,1: 66:[48, 62, 10] Operation: 36-26=10 Exploring Operation: 48-26=22, Resulting Numbers: [36, 62, 22] Generated Node #0,2: 66:[36, 62, 22] Operation: 48-26=22 Exploring Operation: 48-36=12, Resulting Numbers: [26, 62, 12] Generated Node #0,3: 66:[26, 62, 12] Operation: 48-36=12 Exploring Operation: 62-48=14, Resulting Numbers: [36, 26, 14] Generated Node #0,4: 66:[36, 26, 14] Operation: 62-48=14 Moving to Node #0,2 Current State: 66:[36, 62, 22], Operations: ['48-26=22'] Exploring Operation: 62-22=40, Resulting Numbers: [36, 40] Generated Node #0,2,0: 66:[36, 40] Operation: 62-22=40 Exploring Operation: 36+22=58, Resulting Numbers: [62, 58] Generated Node #0,2,1: 66:[62, 58] Operation: 36+22=58 Exploring Operation: 36-22=14, Resulting Numbers: [62, 14] Generated Node #0,2,2: 66:[62, 14] Operation: 36-22=14 Exploring Operation: 62+22=84, Resulting Numbers: [36, 84] Generated Node #0,2,3: 66:[36, 84] Operation: 62+22=84 Exploring Operation: 62-36=26, Resulting Numbers: [22, 26] Generated Node #0,2,4: 66:[22, 26] Operation: 62-36=26 Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 66:[22, 26], Operations: ['48-26=22', '62-36=26'] Exploring Operation: 22*26=572, Resulting Numbers: [572] 572,66 unequal: No Solution Exploring Operation: 22+26=48, Resulting Numbers: [48] 48,66 unequal: No Solution Exploring Operation: 26-22=4, Resulting Numbers: [4] 4,66 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 66:[62, 14], Operations: ['48-26=22', '36-22=14'] Exploring Operation: 62+14=76, Resulting Numbers: [76] 76,66 unequal: No Solution Exploring Operation: 62-14=48, Resulting Numbers: [48] 48,66 unequal: No Solution Exploring Operation: 62*14=868, Resulting Numbers: [868] 868,66 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 66:[36, 40], Operations: ['48-26=22', '62-22=40'] Exploring Operation: 36*40=1440, Resulting Numbers: [1440] 1440,66 unequal: No Solution Exploring Operation: 40-36=4, Resulting Numbers: [4] 4,66 unequal: No Solution Exploring Operation: 36+40=76, Resulting Numbers: [76] 76,66 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 66:[62, 58], Operations: ['48-26=22', '36+22=58'] Exploring Operation: 62+58=120, Resulting Numbers: [120] 120,66 unequal: No Solution Exploring Operation: 62-58=4, Resulting Numbers: [4] 4,66 unequal: No Solution Exploring Operation: 62*58=3596, Resulting Numbers: [3596] 3596,66 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 66:[36, 84], Operations: ['48-26=22', '62+22=84'] Exploring Operation: 84-36=48, Resulting Numbers: [48] 48,66 unequal: No Solution Exploring Operation: 36+84=120, Resulting Numbers: [120] 120,66 unequal: No Solution Exploring Operation: 36*84=3024, Resulting Numbers: [3024] 3024,66 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: 66:[26, 62, 12], Operations: ['48-36=12'] Exploring Operation: 26+12=38, Resulting Numbers: [62, 38] Generated Node #0,3,0: 66:[62, 38] Operation: 26+12=38 Exploring Operation: 62+12=74, Resulting Numbers: [26, 74] Generated Node #0,3,1: 66:[26, 74] Operation: 62+12=74 Exploring Operation: 26-12=14, Resulting Numbers: [62, 14] Generated Node #0,3,2: 66:[62, 14] Operation: 26-12=14 Exploring Operation: 62-26=36, Resulting Numbers: [12, 36] Generated Node #0,3,3: 66:[12, 36] Operation: 62-26=36 Exploring Operation: 62-12=50, Resulting Numbers: [26, 50] Generated Node #0,3,4: 66:[26, 50] Operation: 62-12=50 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 66:[12, 36], Operations: ['48-36=12', '62-26=36'] Exploring Operation: 36/12=3, Resulting Numbers: [3] 3,66 unequal: No Solution Exploring Operation: 12*36=432, Resulting Numbers: [432] 432,66 unequal: No Solution Exploring Operation: 36-12=24, Resulting Numbers: [24] 24,66 unequal: No Solution Exploring Operation: 12+36=48, Resulting Numbers: [48] 48,66 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 66:[62, 14], Operations: ['48-36=12', '26-12=14'] Exploring Operation: 62+14=76, Resulting Numbers: [76] 76,66 unequal: No Solution Exploring Operation: 62*14=868, Resulting Numbers: [868] 868,66 unequal: No Solution Exploring Operation: 62-14=48, Resulting Numbers: [48] 48,66 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 66:[62, 38], Operations: ['48-36=12', '26+12=38'] Exploring Operation: 62-38=24, Resulting Numbers: [24] 24,66 unequal: No Solution Exploring Operation: 62*38=2356, Resulting Numbers: [2356] 2356,66 unequal: No Solution Exploring Operation: 62+38=100, Resulting Numbers: [100] 100,66 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 66:[26, 74], Operations: ['48-36=12', '62+12=74'] Exploring Operation: 26*74=1924, Resulting Numbers: [1924] 1924,66 unequal: No Solution Exploring Operation: 26+74=100, Resulting Numbers: [100] 100,66 unequal: No Solution Exploring Operation: 74-26=48, Resulting Numbers: [48] 48,66 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 66:[26, 50], Operations: ['48-36=12', '62-12=50'] Exploring Operation: 26+50=76, Resulting Numbers: [76] 76,66 unequal: No Solution Exploring Operation: 50-26=24, Resulting Numbers: [24] 24,66 unequal: No Solution Exploring Operation: 26*50=1300, Resulting Numbers: [1300] 1300,66 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: 66:[36, 26, 14], Operations: ['62-48=14'] Exploring Operation: 26-14=12, Resulting Numbers: [36, 12] Generated Node #0,4,0: 66:[36, 12] Operation: 26-14=12 Exploring Operation: 26+14=40, Resulting Numbers: [36, 40] Generated Node #0,4,1: 66:[36, 40] Operation: 26+14=40 Exploring Operation: 36-26=10, Resulting Numbers: [14, 10] Generated Node #0,4,2: 66:[14, 10] Operation: 36-26=10 Exploring Operation: 36-14=22, Resulting Numbers: [26, 22] Generated Node #0,4,3: 66:[26, 22] Operation: 36-14=22 Exploring Operation: 36+26=62, Resulting Numbers: [14, 62] Generated Node #0,4,4: 66:[14, 62] Operation: 36+26=62 Moving to Node #0,0 Current State: 66:[36, 62, 74], Operations: ['26+48=74'] Exploring Operation: 74-36=38, Resulting Numbers: [62, 38] Generated Node #0,0,0: 66:[62, 38] Operation: 74-36=38 Exploring Operation: 36+62=98, Resulting Numbers: [74, 98] Generated Node #0,0,1: 66:[74, 98] Operation: 36+62=98 Exploring Operation: 74-62=12, Resulting Numbers: [36, 12] Generated Node #0,0,2: 66:[36, 12] Operation: 74-62=12 Exploring Operation: 36+74=110, Resulting Numbers: [62, 110] Generated Node #0,0,3: 66:[62, 110] Operation: 36+74=110 Exploring Operation: 62-36=26, Resulting Numbers: [74, 26] Generated Node #0,0,4: 66:[74, 26] Operation: 62-36=26 Moving to Node #0,1 Current State: 66:[48, 62, 10], Operations: ['36-26=10'] Exploring Operation: 62+10=72, Resulting Numbers: [48, 72] Generated Node #0,1,0: 66:[48, 72] Operation: 62+10=72 Exploring Operation: 62-48=14, Resulting Numbers: [10, 14] Generated Node #0,1,1: 66:[10, 14] Operation: 62-48=14 Exploring Operation: 48-10=38, Resulting Numbers: [62, 38] Generated Node #0,1,2: 66:[62, 38] Operation: 48-10=38 Exploring Operation: 48+10=58, Resulting Numbers: [62, 58] Generated Node #0,1,3: 66:[62, 58] Operation: 48+10=58 Exploring Operation: 62-10=52, Resulting Numbers: [48, 52] Generated Node #0,1,4: 66:[48, 52] Operation: 62-10=52 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 66:[10, 14], Operations: ['36-26=10', '62-48=14'] Exploring Operation: 10*14=140, Resulting Numbers: [140] 140,66 unequal: No Solution Exploring Operation: 14-10=4, Resulting Numbers: [4] 4,66 unequal: No Solution Exploring Operation: 10+14=24, Resulting Numbers: [24] 24,66 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 66:[62, 38], Operations: ['36-26=10', '48-10=38'] Exploring Operation: 62-38=24, Resulting Numbers: [24] 24,66 unequal: No Solution Exploring Operation: 62+38=100, Resulting Numbers: [100] 100,66 unequal: No Solution Exploring Operation: 62*38=2356, Resulting Numbers: [2356] 2356,66 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 66:[62, 58], Operations: ['36-26=10', '48+10=58'] Exploring Operation: 62*58=3596, Resulting Numbers: [3596] 3596,66 unequal: No Solution Exploring Operation: 62+58=120, Resulting Numbers: [120] 120,66 unequal: No Solution Exploring Operation: 62-58=4, Resulting Numbers: [4] 4,66 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 66:[48, 72], Operations: ['36-26=10', '62+10=72'] Exploring Operation: 48*72=3456, Resulting Numbers: [3456] 3456,66 unequal: No Solution Exploring Operation: 72-48=24, Resulting Numbers: [24] 24,66 unequal: No Solution Exploring Operation: 48+72=120, Resulting Numbers: [120] 120,66 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 66:[48, 52], Operations: ['36-26=10', '62-10=52'] Exploring Operation: 48*52=2496, Resulting Numbers: [2496] 2496,66 unequal: No Solution Exploring Operation: 48+52=100, Resulting Numbers: [100] 100,66 unequal: No Solution Exploring Operation: 52-48=4, Resulting Numbers: [4] 4,66 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,4,0 Current State: 66:[36, 12], Operations: ['62-48=14', '26-14=12'] Exploring Operation: 36-12=24, Resulting Numbers: [24] 24,66 unequal: No Solution Exploring Operation: 36/12=3, Resulting Numbers: [3] 3,66 unequal: No Solution Exploring Operation: 36+12=48, Resulting Numbers: [48] 48,66 unequal: No Solution Exploring Operation: 36*12=432, Resulting Numbers: [432] 432,66 unequal: No Solution Moving to Node #0,4,3 Current State: 66:[26, 22], Operations: ['62-48=14', '36-14=22'] Exploring Operation: 26-22=4, Resulting Numbers: [4] 4,66 unequal: No Solution Exploring Operation: 26+22=48, Resulting Numbers: [48] 48,66 unequal: No Solution Exploring Operation: 26*22=572, Resulting Numbers: [572] 572,66 unequal: No Solution Moving to Node #0,0,2 Current State: 66:[36, 12], Operations: ['26+48=74', '74-62=12'] Exploring Operation: 36+12=48, Resulting Numbers: [48] 48,66 unequal: No Solution Exploring Operation: 36-12=24, Resulting Numbers: [24] 24,66 unequal: No Solution Exploring Operation: 36/12=3, Resulting Numbers: [3] 3,66 unequal: No Solution Exploring Operation: 36*12=432, Resulting Numbers: [432] 432,66 unequal: No Solution Moving to Node #0,4,2 Current State: 66:[14, 10], Operations: ['62-48=14', '36-26=10'] Exploring Operation: 14*10=140, Resulting Numbers: [140] 140,66 unequal: No Solution Exploring Operation: 14-10=4, Resulting Numbers: [4] 4,66 unequal: No Solution Exploring Operation: 14+10=24, Resulting Numbers: [24] 24,66 unequal: No Solution Moving to Node #0,4,4 Current State: 66:[14, 62], Operations: ['62-48=14', '36+26=62'] Exploring Operation: 14+62=76, Resulting Numbers: [76] 76,66 unequal: No Solution Exploring Operation: 62-14=48, Resulting Numbers: [48] 48,66 unequal: No Solution Exploring Operation: 14*62=868, Resulting Numbers: [868] 868,66 unequal: No Solution Moving to Node #0,0,0 Current State: 66:[62, 38], Operations: ['26+48=74', '74-36=38'] Exploring Operation: 62-38=24, Resulting Numbers: [24] 24,66 unequal: No Solution Exploring Operation: 62*38=2356, Resulting Numbers: [2356] 2356,66 unequal: No Solution Exploring Operation: 62+38=100, Resulting Numbers: [100] 100,66 unequal: No Solution Moving to Node #0,4,1 Current State: 66:[36, 40], Operations: ['62-48=14', '26+14=40'] Exploring Operation: 40-36=4, Resulting Numbers: [4] 4,66 unequal: No Solution Exploring Operation: 36+40=76, Resulting Numbers: [76] 76,66 unequal: No Solution Exploring Operation: 36*40=1440, Resulting Numbers: [1440] 1440,66 unequal: No Solution Moving to Node #0,0,4 Current State: 66:[74, 26], Operations: ['26+48=74', '62-36=26'] Exploring Operation: 74+26=100, Resulting Numbers: [100] 100,66 unequal: No Solution Exploring Operation: 74*26=1924, Resulting Numbers: [1924] 1924,66 unequal: No Solution Exploring Operation: 74-26=48, Resulting Numbers: [48] 48,66 unequal: No Solution Moving to Node #0,0,1 Current State: 66:[74, 98], Operations: ['26+48=74', '36+62=98'] Exploring Operation: 74+98=172, Resulting Numbers: [172] 172,66 unequal: No Solution Exploring Operation: 98-74=24, Resulting Numbers: [24] 24,66 unequal: No Solution Exploring Operation: 74*98=7252, Resulting Numbers: [7252] 7252,66 unequal: No Solution Moving to Node #0,0,3 Current State: 66:[62, 110], Operations: ['26+48=74', '36+74=110'] Exploring Operation: 62*110=6820, Resulting Numbers: [6820] 6820,66 unequal: No Solution Exploring Operation: 110-62=48, Resulting Numbers: [48] 48,66 unequal: No Solution Exploring Operation: 62+110=172, Resulting Numbers: [172] 172,66 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 75, 43, 11, 87 ]
24
[ "11*87=957", "75+957=1032", "1032/43=24" ]
Current State: 24:[75, 43, 11, 87], Operations: [] Exploring Operation: 11*87=957, Resulting Numbers: [75, 43, 957] Generated Node #2: [75, 43, 957] from Operation: 11*87=957 Current State: 24:[75, 43, 957], Operations: ['11*87=957'] Exploring Operation: 75+957=1032, Resulting Numbers: [43, 1032] Generated Node #3: [43, 1032] from Operation: 75+957=1032 Current State: 24:[43, 1032], Operations: ['11*87=957', '75+957=1032'] Exploring Operation: 1032/43=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
4
Current State: 24:[75, 43, 11, 87], Operations: [] Exploring Operation: 87-75=12, Resulting Numbers: [43, 11, 12] Generated Node #0,0: 24:[43, 11, 12] Operation: 87-75=12 Moving to Node #0,0 Current State: 24:[43, 11, 12], Operations: ['87-75=12'] Exploring Operation: 43-11=32, Resulting Numbers: [12, 32] Generated Node #0,0,0: 24:[12, 32] Operation: 43-11=32 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 24:[12, 32], Operations: ['87-75=12', '43-11=32'] Exploring Operation: 32-12=20, Resulting Numbers: [20] 20,24 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
[ 41, 55, 8, 33 ]
27
[ "55-41=14", "8+33=41", "41-14=27" ]
Current State: 27:[41, 55, 8, 33], Operations: [] Exploring Operation: 55-41=14, Resulting Numbers: [8, 33, 14] Generated Node #2: [8, 33, 14] from Operation: 55-41=14 Current State: 27:[8, 33, 14], Operations: ['55-41=14'] Exploring Operation: 8+33=41, Resulting Numbers: [14, 41] Generated Node #3: [14, 41] from Operation: 8+33=41 Current State: 27:[14, 41], Operations: ['55-41=14', '8+33=41'] Exploring Operation: 41-14=27, Resulting Numbers: [27] 27,27 equal: Goal Reached
4
Current State: 27:[41, 55, 8, 33], Operations: [] Exploring Operation: 55-41=14, Resulting Numbers: [8, 33, 14] Generated Node #0,0: 27:[8, 33, 14] Operation: 55-41=14 Exploring Operation: 41-8=33, Resulting Numbers: [55, 33, 33] Generated Node #0,1: 27:[55, 33, 33] Operation: 41-8=33 Exploring Operation: 55-8=47, Resulting Numbers: [41, 33, 47] Generated Node #0,2: 27:[41, 33, 47] Operation: 55-8=47 Exploring Operation: 41-33=8, Resulting Numbers: [55, 8, 8] Generated Node #0,3: 27:[55, 8, 8] Operation: 41-33=8 Exploring Operation: 55-33=22, Resulting Numbers: [41, 8, 22] Generated Node #0,4: 27:[41, 8, 22] Operation: 55-33=22 Moving to Node #0,0 Current State: 27:[8, 33, 14], Operations: ['55-41=14'] Exploring Operation: 8+33=41, Resulting Numbers: [14, 41] Generated Node #0,0,0: 27:[14, 41] Operation: 8+33=41 Exploring Operation: 33-14=19, Resulting Numbers: [8, 19] Generated Node #0,0,1: 27:[8, 19] Operation: 33-14=19 Exploring Operation: 8+14=22, Resulting Numbers: [33, 22] Generated Node #0,0,2: 27:[33, 22] Operation: 8+14=22 Exploring Operation: 33-8=25, Resulting Numbers: [14, 25] Generated Node #0,0,3: 27:[14, 25] Operation: 33-8=25 Exploring Operation: 14-8=6, Resulting Numbers: [33, 6] Generated Node #0,0,4: 27:[33, 6] Operation: 14-8=6 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 27:[14, 25], Operations: ['55-41=14', '33-8=25'] Exploring Operation: 14+25=39, Resulting Numbers: [39] 39,27 unequal: No Solution Exploring Operation: 14*25=350, Resulting Numbers: [350] 350,27 unequal: No Solution Exploring Operation: 25-14=11, Resulting Numbers: [11] 11,27 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 27:[8, 19], Operations: ['55-41=14', '33-14=19'] Exploring Operation: 8+19=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Moving to Node #0 Current State: 27:[41, 55, 8, 33], Operations: [] Exploring Operation: 55-41=14, Resulting Numbers: [8, 33, 14] Generated Node #0,0: 27:[8, 33, 14] Operation: 55-41=14 Moving to Node #0,0 Current State: 27:[8, 33, 14], Operations: ['55-41=14'] Exploring Operation: 33-14=19, Resulting Numbers: [8, 19] Generated Node #0,0,1: 27:[8, 19] Operation: 33-14=19 Moving to Node #0,0,1 Current State: 27:[8, 19], Operations: ['55-41=14', '33-14=19'] Exploring Operation: 8+19=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_5
sum_heuristic
[ 52, 69, 82, 97 ]
58
[ "52+69=121", "82+97=179", "179-121=58" ]
Current State: 58:[52, 69, 82, 97], Operations: [] Exploring Operation: 52+69=121, Resulting Numbers: [82, 97, 121] Generated Node #2: [82, 97, 121] from Operation: 52+69=121 Current State: 58:[82, 97, 121], Operations: ['52+69=121'] Exploring Operation: 82+97=179, Resulting Numbers: [121, 179] Generated Node #3: [121, 179] from Operation: 82+97=179 Current State: 58:[121, 179], Operations: ['52+69=121', '82+97=179'] Exploring Operation: 179-121=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[52, 69, 82, 97], Operations: [] Exploring Operation: 97-82=15, Resulting Numbers: [52, 69, 15] Generated Node #0,0: 58:[52, 69, 15] Operation: 97-82=15 Exploring Operation: 97-69=28, Resulting Numbers: [52, 82, 28] Generated Node #0,1: 58:[52, 82, 28] Operation: 97-69=28 Exploring Operation: 82-69=13, Resulting Numbers: [52, 97, 13] Generated Node #0,2: 58:[52, 97, 13] Operation: 82-69=13 Exploring Operation: 82-52=30, Resulting Numbers: [69, 97, 30] Generated Node #0,3: 58:[69, 97, 30] Operation: 82-52=30 Exploring Operation: 97-52=45, Resulting Numbers: [69, 82, 45] Generated Node #0,4: 58:[69, 82, 45] Operation: 97-52=45 Moving to Node #0,0 Current State: 58:[52, 69, 15], Operations: ['97-82=15'] Exploring Operation: 69-15=54, Resulting Numbers: [52, 54] Generated Node #0,0,0: 58:[52, 54] Operation: 69-15=54 Exploring Operation: 52-15=37, Resulting Numbers: [69, 37] Generated Node #0,0,1: 58:[69, 37] Operation: 52-15=37 Exploring Operation: 69-52=17, Resulting Numbers: [15, 17] Generated Node #0,0,2: 58:[15, 17] Operation: 69-52=17 Exploring Operation: 69+15=84, Resulting Numbers: [52, 84] Generated Node #0,0,3: 58:[52, 84] Operation: 69+15=84 Exploring Operation: 52+15=67, Resulting Numbers: [69, 67] Generated Node #0,0,4: 58:[69, 67] Operation: 52+15=67 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 58:[52, 54], Operations: ['97-82=15', '69-15=54'] Exploring Operation: 52*54=2808, Resulting Numbers: [2808] 2808,58 unequal: No Solution Exploring Operation: 54-52=2, Resulting Numbers: [2] 2,58 unequal: No Solution Exploring Operation: 52+54=106, Resulting Numbers: [106] 106,58 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:[69, 37], Operations: ['97-82=15', '52-15=37'] Exploring Operation: 69*37=2553, Resulting Numbers: [2553] 2553,58 unequal: No Solution Exploring Operation: 69-37=32, Resulting Numbers: [32] 32,58 unequal: No Solution Exploring Operation: 69+37=106, Resulting Numbers: [106] 106,58 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 #0,0,4 Current State: 58:[69, 67], Operations: ['97-82=15', '52+15=67'] Exploring Operation: 69*67=4623, Resulting Numbers: [4623] 4623,58 unequal: No Solution Exploring Operation: 69+67=136, Resulting Numbers: [136] 136,58 unequal: No Solution Exploring Operation: 69-67=2, Resulting Numbers: [2] 2,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 58:[15, 17], Operations: ['97-82=15', '69-52=17'] Exploring Operation: 15+17=32, Resulting Numbers: [32] 32,58 unequal: No Solution Exploring Operation: 15*17=255, Resulting Numbers: [255] 255,58 unequal: No Solution Exploring Operation: 17-15=2, Resulting Numbers: [2] 2,58 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:[52, 84], Operations: ['97-82=15', '69+15=84'] Exploring Operation: 52+84=136, Resulting Numbers: [136] 136,58 unequal: No Solution Exploring Operation: 52*84=4368, Resulting Numbers: [4368] 4368,58 unequal: No Solution Exploring Operation: 84-52=32, Resulting Numbers: [32] 32,58 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:[52, 82, 28], Operations: ['97-69=28'] Exploring Operation: 82+28=110, Resulting Numbers: [52, 110] Generated Node #0,1,0: 58:[52, 110] Operation: 82+28=110 Exploring Operation: 52+28=80, Resulting Numbers: [82, 80] Generated Node #0,1,1: 58:[82, 80] Operation: 52+28=80 Exploring Operation: 82-28=54, Resulting Numbers: [52, 54] Generated Node #0,1,2: 58:[52, 54] Operation: 82-28=54 Exploring Operation: 52-28=24, Resulting Numbers: [82, 24] Generated Node #0,1,3: 58:[82, 24] Operation: 52-28=24 Exploring Operation: 82-52=30, Resulting Numbers: [28, 30] Generated Node #0,1,4: 58:[28, 30] Operation: 82-52=30 Moving to Node #0,4 Current State: 58:[69, 82, 45], Operations: ['97-52=45'] Exploring Operation: 69+45=114, Resulting Numbers: [82, 114] Generated Node #0,4,0: 58:[82, 114] Operation: 69+45=114 Exploring Operation: 69-45=24, Resulting Numbers: [82, 24] Generated Node #0,4,1: 58:[82, 24] Operation: 69-45=24 Exploring Operation: 82-45=37, Resulting Numbers: [69, 37] Generated Node #0,4,2: 58:[69, 37] Operation: 82-45=37 Exploring Operation: 82-69=13, Resulting Numbers: [45, 13] Generated Node #0,4,3: 58:[45, 13] Operation: 82-69=13 Exploring Operation: 82+45=127, Resulting Numbers: [69, 127] Generated Node #0,4,4: 58:[69, 127] Operation: 82+45=127 Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 58:[69, 37], Operations: ['97-52=45', '82-45=37'] Exploring Operation: 69*37=2553, Resulting Numbers: [2553] 2553,58 unequal: No Solution Exploring Operation: 69+37=106, Resulting Numbers: [106] 106,58 unequal: No Solution Exploring Operation: 69-37=32, Resulting Numbers: [32] 32,58 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 #0,4,3 Current State: 58:[45, 13], Operations: ['97-52=45', '82-69=13'] Exploring Operation: 45-13=32, Resulting Numbers: [32] 32,58 unequal: No Solution Exploring Operation: 45+13=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Moving to Node #0 Current State: 58:[52, 69, 82, 97], Operations: [] Exploring Operation: 97-52=45, Resulting Numbers: [69, 82, 45] Generated Node #0,4: 58:[69, 82, 45] Operation: 97-52=45 Moving to Node #0,4 Current State: 58:[69, 82, 45], Operations: ['97-52=45'] Exploring Operation: 82-69=13, Resulting Numbers: [45, 13] Generated Node #0,4,3: 58:[45, 13] Operation: 82-69=13 Moving to Node #0,4,3 Current State: 58:[45, 13], Operations: ['97-52=45', '82-69=13'] Exploring Operation: 45+13=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Exit Sub Search at level 1
0.961806
hs_5
sum_heuristic
[ 52, 79, 46, 2 ]
67
[ "52-46=6", "2*6=12", "79-12=67" ]
Current State: 67:[52, 79, 46, 2], Operations: [] Exploring Operation: 52-46=6, Resulting Numbers: [79, 2, 6] Generated Node #2: [79, 2, 6] from Operation: 52-46=6 Current State: 67:[79, 2, 6], Operations: ['52-46=6'] Exploring Operation: 2*6=12, Resulting Numbers: [79, 12] Generated Node #3: [79, 12] from Operation: 2*6=12 Current State: 67:[79, 12], Operations: ['52-46=6', '2*6=12'] Exploring Operation: 79-12=67, Resulting Numbers: [67] 67,67 equal: Goal Reached
4
Current State: 67:[52, 79, 46, 2], Operations: [] Exploring Operation: 79-2=77, Resulting Numbers: [52, 46, 77] Generated Node #0,0: 67:[52, 46, 77] Operation: 79-2=77 Exploring Operation: 52+2=54, Resulting Numbers: [79, 46, 54] Generated Node #0,1: 67:[79, 46, 54] Operation: 52+2=54 Start Sub Search at level 1: Moving to Node #0,0 Current State: 67:[52, 46, 77], Operations: ['79-2=77'] Exploring Operation: 77-46=31, Resulting Numbers: [52, 31] Generated Node #0,0,0: 67:[52, 31] Operation: 77-46=31 Exploring Operation: 52+46=98, Resulting Numbers: [77, 98] Generated Node #0,0,1: 67:[77, 98] Operation: 52+46=98 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 67:[77, 98], Operations: ['79-2=77', '52+46=98'] Exploring Operation: 98-77=21, Resulting Numbers: [21] 21,67 unequal: No Solution Exploring Operation: 77+98=175, Resulting Numbers: [175] 175,67 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:[52, 31], Operations: ['79-2=77', '77-46=31'] Exploring Operation: 52+31=83, Resulting Numbers: [83] 83,67 unequal: No Solution Exploring Operation: 52-31=21, Resulting Numbers: [21] 21,67 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 #0,1 Current State: 67:[79, 46, 54], Operations: ['52+2=54'] Exploring Operation: 79-46=33, Resulting Numbers: [54, 33] Generated Node #0,1,0: 67:[54, 33] Operation: 79-46=33 Exploring Operation: 46+54=100, Resulting Numbers: [79, 100] Generated Node #0,1,1: 67:[79, 100] Operation: 46+54=100 Moving to Node #0,1,1 Current State: 67:[79, 100], Operations: ['52+2=54', '46+54=100'] Exploring Operation: 100-79=21, Resulting Numbers: [21] 21,67 unequal: No Solution Exploring Operation: 79+100=179, Resulting Numbers: [179] 179,67 unequal: No Solution Moving to Node #0,1,0 Current State: 67:[54, 33], Operations: ['52+2=54', '79-46=33'] Exploring Operation: 54+33=87, Resulting Numbers: [87] 87,67 unequal: No Solution Exploring Operation: 54-33=21, Resulting Numbers: [21] 21,67 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
[ 47, 2, 34, 41 ]
10
[ "47+41=88", "88/2=44", "44-34=10" ]
Current State: 10:[47, 2, 34, 41], Operations: [] Exploring Operation: 47+41=88, Resulting Numbers: [2, 34, 88] Generated Node #2: [2, 34, 88] from Operation: 47+41=88 Current State: 10:[2, 34, 88], Operations: ['47+41=88'] Exploring Operation: 88/2=44, Resulting Numbers: [34, 44] Generated Node #3: [34, 44] from Operation: 88/2=44 Current State: 10:[34, 44], Operations: ['47+41=88', '88/2=44'] Exploring Operation: 44-34=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
4
Current State: 10:[47, 2, 34, 41], Operations: [] Exploring Operation: 47-41=6, Resulting Numbers: [2, 34, 6] Generated Node #0,0: 10:[2, 34, 6] Operation: 47-41=6 Exploring Operation: 47-34=13, Resulting Numbers: [2, 41, 13] Generated Node #0,1: 10:[2, 41, 13] Operation: 47-34=13 Exploring Operation: 47-2=45, Resulting Numbers: [34, 41, 45] Generated Node #0,2: 10:[34, 41, 45] Operation: 47-2=45 Exploring Operation: 34/2=17, Resulting Numbers: [47, 41, 17] Generated Node #0,3: 10:[47, 41, 17] Operation: 34/2=17 Exploring Operation: 41-34=7, Resulting Numbers: [47, 2, 7] Generated Node #0,4: 10:[47, 2, 7] Operation: 41-34=7 Start Sub Search at level 1: Moving to Node #0,0 Current State: 10:[2, 34, 6], Operations: ['47-41=6'] Exploring Operation: 34/2=17, Resulting Numbers: [6, 17] Generated Node #0,0,0: 10:[6, 17] Operation: 34/2=17 Exploring Operation: 34-2=32, Resulting Numbers: [6, 32] Generated Node #0,0,1: 10:[6, 32] Operation: 34-2=32 Exploring Operation: 6-2=4, Resulting Numbers: [34, 4] Generated Node #0,0,2: 10:[34, 4] Operation: 6-2=4 Exploring Operation: 34-6=28, Resulting Numbers: [2, 28] Generated Node #0,0,3: 10:[2, 28] Operation: 34-6=28 Exploring Operation: 6/2=3, Resulting Numbers: [34, 3] Generated Node #0,0,4: 10:[34, 3] Operation: 6/2=3 Moving to Node #0,0,0 Current State: 10:[6, 17], Operations: ['47-41=6', '34/2=17'] Exploring Operation: 6*17=102, Resulting Numbers: [102] 102,10 unequal: No Solution Exploring Operation: 6+17=23, Resulting Numbers: [23] 23,10 unequal: No Solution Exploring Operation: 17-6=11, Resulting Numbers: [11] 11,10 unequal: No Solution Moving to Node #0,0,3 Current State: 10:[2, 28], Operations: ['47-41=6', '34-6=28'] Exploring Operation: 28-2=26, Resulting Numbers: [26] 26,10 unequal: No Solution Exploring Operation: 2+28=30, Resulting Numbers: [30] 30,10 unequal: No Solution Exploring Operation: 28/2=14, Resulting Numbers: [14] 14,10 unequal: No Solution Exploring Operation: 2*28=56, Resulting Numbers: [56] 56,10 unequal: No Solution Moving to Node #0,0,1 Current State: 10:[6, 32], Operations: ['47-41=6', '34-2=32'] Exploring Operation: 6+32=38, Resulting Numbers: [38] 38,10 unequal: No Solution Exploring Operation: 32-6=26, Resulting Numbers: [26] 26,10 unequal: No Solution Exploring Operation: 6*32=192, Resulting Numbers: [192] 192,10 unequal: No Solution Moving to Node #0,0,2 Current State: 10:[34, 4], Operations: ['47-41=6', '6-2=4'] Exploring Operation: 34-4=30, Resulting Numbers: [30] 30,10 unequal: No Solution Exploring Operation: 34*4=136, Resulting Numbers: [136] 136,10 unequal: No Solution Exploring Operation: 34+4=38, Resulting Numbers: [38] 38,10 unequal: No Solution Moving to Node #0,0,4 Current State: 10:[34, 3], Operations: ['47-41=6', '6/2=3'] Exploring Operation: 34+3=37, Resulting Numbers: [37] 37,10 unequal: No Solution Exploring Operation: 34-3=31, Resulting Numbers: [31] 31,10 unequal: No Solution Exploring Operation: 34*3=102, Resulting Numbers: [102] 102,10 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 10:[2, 41, 13], Operations: ['47-34=13'] Exploring Operation: 13-2=11, Resulting Numbers: [41, 11] Generated Node #0,1,0: 10:[41, 11] Operation: 13-2=11 Exploring Operation: 2+13=15, Resulting Numbers: [41, 15] Generated Node #0,1,1: 10:[41, 15] Operation: 2+13=15 Exploring Operation: 41-2=39, Resulting Numbers: [13, 39] Generated Node #0,1,2: 10:[13, 39] Operation: 41-2=39 Exploring Operation: 2+41=43, Resulting Numbers: [13, 43] Generated Node #0,1,3: 10:[13, 43] Operation: 2+41=43 Exploring Operation: 41-13=28, Resulting Numbers: [2, 28] Generated Node #0,1,4: 10:[2, 28] Operation: 41-13=28 Moving to Node #0,1,4 Current State: 10:[2, 28], Operations: ['47-34=13', '41-13=28'] Exploring Operation: 2+28=30, Resulting Numbers: [30] 30,10 unequal: No Solution Exploring Operation: 28/2=14, Resulting Numbers: [14] 14,10 unequal: No Solution Exploring Operation: 2*28=56, Resulting Numbers: [56] 56,10 unequal: No Solution Exploring Operation: 28-2=26, Resulting Numbers: [26] 26,10 unequal: No Solution Moving to Node #0,1,2 Current State: 10:[13, 39], Operations: ['47-34=13', '41-2=39'] Exploring Operation: 13+39=52, Resulting Numbers: [52] 52,10 unequal: No Solution Exploring Operation: 39/13=3, Resulting Numbers: [3] 3,10 unequal: No Solution Exploring Operation: 39-13=26, Resulting Numbers: [26] 26,10 unequal: No Solution Exploring Operation: 13*39=507, Resulting Numbers: [507] 507,10 unequal: No Solution Moving to Node #0,1,0 Current State: 10:[41, 11], Operations: ['47-34=13', '13-2=11'] Exploring Operation: 41*11=451, Resulting Numbers: [451] 451,10 unequal: No Solution Exploring Operation: 41+11=52, Resulting Numbers: [52] 52,10 unequal: No Solution Exploring Operation: 41-11=30, Resulting Numbers: [30] 30,10 unequal: No Solution Moving to Node #0,1,1 Current State: 10:[41, 15], Operations: ['47-34=13', '2+13=15'] Exploring Operation: 41+15=56, Resulting Numbers: [56] 56,10 unequal: No Solution Exploring Operation: 41*15=615, Resulting Numbers: [615] 615,10 unequal: No Solution Exploring Operation: 41-15=26, Resulting Numbers: [26] 26,10 unequal: No Solution Moving to Node #0,1,3 Current State: 10:[13, 43], Operations: ['47-34=13', '2+41=43'] Exploring Operation: 13*43=559, Resulting Numbers: [559] 559,10 unequal: No Solution Exploring Operation: 43-13=30, Resulting Numbers: [30] 30,10 unequal: No Solution Exploring Operation: 13+43=56, Resulting Numbers: [56] 56,10 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 10:[47, 2, 7], Operations: ['41-34=7'] Exploring Operation: 47+2=49, Resulting Numbers: [7, 49] Generated Node #0,4,0: 10:[7, 49] Operation: 47+2=49 Exploring Operation: 7-2=5, Resulting Numbers: [47, 5] Generated Node #0,4,1: 10:[47, 5] Operation: 7-2=5 Exploring Operation: 47-2=45, Resulting Numbers: [7, 45] Generated Node #0,4,2: 10:[7, 45] Operation: 47-2=45 Exploring Operation: 2+7=9, Resulting Numbers: [47, 9] Generated Node #0,4,3: 10:[47, 9] Operation: 2+7=9 Exploring Operation: 47-7=40, Resulting Numbers: [2, 40] Generated Node #0,4,4: 10:[2, 40] Operation: 47-7=40 Moving to Node #0,4,4 Current State: 10:[2, 40], Operations: ['41-34=7', '47-7=40'] Exploring Operation: 40/2=20, Resulting Numbers: [20] 20,10 unequal: No Solution Exploring Operation: 2*40=80, Resulting Numbers: [80] 80,10 unequal: No Solution Exploring Operation: 40-2=38, Resulting Numbers: [38] 38,10 unequal: No Solution Exploring Operation: 2+40=42, Resulting Numbers: [42] 42,10 unequal: No Solution Moving to Node #0,4,2 Current State: 10:[7, 45], Operations: ['41-34=7', '47-2=45'] Exploring Operation: 45-7=38, Resulting Numbers: [38] 38,10 unequal: No Solution Exploring Operation: 7*45=315, Resulting Numbers: [315] 315,10 unequal: No Solution Exploring Operation: 7+45=52, Resulting Numbers: [52] 52,10 unequal: No Solution Moving to Node #0,4,1 Current State: 10:[47, 5], Operations: ['41-34=7', '7-2=5'] Exploring Operation: 47+5=52, Resulting Numbers: [52] 52,10 unequal: No Solution Exploring Operation: 47*5=235, Resulting Numbers: [235] 235,10 unequal: No Solution Exploring Operation: 47-5=42, Resulting Numbers: [42] 42,10 unequal: No Solution Moving to Node #0,4,3 Current State: 10:[47, 9], Operations: ['41-34=7', '2+7=9'] Exploring Operation: 47+9=56, Resulting Numbers: [56] 56,10 unequal: No Solution Exploring Operation: 47*9=423, Resulting Numbers: [423] 423,10 unequal: No Solution Exploring Operation: 47-9=38, Resulting Numbers: [38] 38,10 unequal: No Solution Moving to Node #0,4,0 Current State: 10:[7, 49], Operations: ['41-34=7', '47+2=49'] Exploring Operation: 49-7=42, Resulting Numbers: [42] 42,10 unequal: No Solution Exploring Operation: 49/7=7, Resulting Numbers: [7] 7,10 unequal: No Solution Exploring Operation: 7*49=343, Resulting Numbers: [343] 343,10 unequal: No Solution Exploring Operation: 7+49=56, Resulting Numbers: [56] 56,10 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 10:[47, 41, 17], Operations: ['34/2=17'] Exploring Operation: 47+17=64, Resulting Numbers: [41, 64] Generated Node #0,3,0: 10:[41, 64] Operation: 47+17=64 Exploring Operation: 47-17=30, Resulting Numbers: [41, 30] Generated Node #0,3,1: 10:[41, 30] Operation: 47-17=30 Exploring Operation: 47+41=88, Resulting Numbers: [17, 88] Generated Node #0,3,2: 10:[17, 88] Operation: 47+41=88 Exploring Operation: 47-41=6, Resulting Numbers: [17, 6] Generated Node #0,3,3: 10:[17, 6] Operation: 47-41=6 Exploring Operation: 41-17=24, Resulting Numbers: [47, 24] Generated Node #0,3,4: 10:[47, 24] Operation: 41-17=24 Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 10:[17, 6], Operations: ['34/2=17', '47-41=6'] Exploring Operation: 17-6=11, Resulting Numbers: [11] 11,10 unequal: No Solution Exploring Operation: 17+6=23, Resulting Numbers: [23] 23,10 unequal: No Solution Exploring Operation: 17*6=102, Resulting Numbers: [102] 102,10 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 10:[41, 30], Operations: ['34/2=17', '47-17=30'] Exploring Operation: 41*30=1230, Resulting Numbers: [1230] 1230,10 unequal: No Solution Exploring Operation: 41+30=71, Resulting Numbers: [71] 71,10 unequal: No Solution Exploring Operation: 41-30=11, Resulting Numbers: [11] 11,10 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 10:[47, 24], Operations: ['34/2=17', '41-17=24'] Exploring Operation: 47-24=23, Resulting Numbers: [23] 23,10 unequal: No Solution Exploring Operation: 47+24=71, Resulting Numbers: [71] 71,10 unequal: No Solution Exploring Operation: 47*24=1128, Resulting Numbers: [1128] 1128,10 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 10:[41, 64], Operations: ['34/2=17', '47+17=64'] Exploring Operation: 41+64=105, Resulting Numbers: [105] 105,10 unequal: No Solution Exploring Operation: 64-41=23, Resulting Numbers: [23] 23,10 unequal: No Solution Exploring Operation: 41*64=2624, Resulting Numbers: [2624] 2624,10 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 10:[17, 88], Operations: ['34/2=17', '47+41=88'] Exploring Operation: 17*88=1496, Resulting Numbers: [1496] 1496,10 unequal: No Solution Exploring Operation: 88-17=71, Resulting Numbers: [71] 71,10 unequal: No Solution Exploring Operation: 17+88=105, Resulting Numbers: [105] 105,10 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 10:[34, 41, 45], Operations: ['47-2=45'] Exploring Operation: 41-34=7, Resulting Numbers: [45, 7] Generated Node #0,2,0: 10:[45, 7] Operation: 41-34=7 Exploring Operation: 45-41=4, Resulting Numbers: [34, 4] Generated Node #0,2,1: 10:[34, 4] Operation: 45-41=4 Exploring Operation: 34+41=75, Resulting Numbers: [45, 75] Generated Node #0,2,2: 10:[45, 75] Operation: 34+41=75 Exploring Operation: 34+45=79, Resulting Numbers: [41, 79] Generated Node #0,2,3: 10:[41, 79] Operation: 34+45=79 Exploring Operation: 45-34=11, Resulting Numbers: [41, 11] Generated Node #0,2,4: 10:[41, 11] Operation: 45-34=11 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 10:[34, 4], Operations: ['47-2=45', '45-41=4'] Exploring Operation: 34*4=136, Resulting Numbers: [136] 136,10 unequal: No Solution Exploring Operation: 34+4=38, Resulting Numbers: [38] 38,10 unequal: No Solution Exploring Operation: 34-4=30, Resulting Numbers: [30] 30,10 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 10:[41, 11], Operations: ['47-2=45', '45-34=11'] Exploring Operation: 41-11=30, Resulting Numbers: [30] 30,10 unequal: No Solution Exploring Operation: 41*11=451, Resulting Numbers: [451] 451,10 unequal: No Solution Exploring Operation: 41+11=52, Resulting Numbers: [52] 52,10 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 10:[45, 7], Operations: ['47-2=45', '41-34=7'] Exploring Operation: 45+7=52, Resulting Numbers: [52] 52,10 unequal: No Solution Exploring Operation: 45-7=38, Resulting Numbers: [38] 38,10 unequal: No Solution Exploring Operation: 45*7=315, Resulting Numbers: [315] 315,10 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 10:[45, 75], Operations: ['47-2=45', '34+41=75'] Exploring Operation: 45+75=120, Resulting Numbers: [120] 120,10 unequal: No Solution Exploring Operation: 75-45=30, Resulting Numbers: [30] 30,10 unequal: No Solution Exploring Operation: 45*75=3375, Resulting Numbers: [3375] 3375,10 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 10:[41, 79], Operations: ['47-2=45', '34+45=79'] Exploring Operation: 79-41=38, Resulting Numbers: [38] 38,10 unequal: No Solution Exploring Operation: 41*79=3239, Resulting Numbers: [3239] 3239,10 unequal: No Solution Exploring Operation: 41+79=120, Resulting Numbers: [120] 120,10 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
sum_heuristic
[ 4, 2, 60, 84 ]
12
[ "4-2=2", "84-60=24", "24/2=12" ]
Current State: 12:[4, 2, 60, 84], Operations: [] Exploring Operation: 4-2=2, Resulting Numbers: [60, 84, 2] Generated Node #2: [60, 84, 2] from Operation: 4-2=2 Current State: 12:[60, 84, 2], Operations: ['4-2=2'] Exploring Operation: 84-60=24, Resulting Numbers: [2, 24] Generated Node #3: [2, 24] from Operation: 84-60=24 Current State: 12:[2, 24], Operations: ['4-2=2', '84-60=24'] Exploring Operation: 24/2=12, Resulting Numbers: [12] 12,12 equal: Goal Reached
4
Current State: 12:[4, 2, 60, 84], Operations: [] Exploring Operation: 60/2=30, Resulting Numbers: [4, 84, 30] Generated Node #0,0: 12:[4, 84, 30] Operation: 60/2=30 Exploring Operation: 84/2=42, Resulting Numbers: [4, 60, 42] Generated Node #0,1: 12:[4, 60, 42] Operation: 84/2=42 Exploring Operation: 84-60=24, Resulting Numbers: [4, 2, 24] Generated Node #0,2: 12:[4, 2, 24] Operation: 84-60=24 Exploring Operation: 60/4=15, Resulting Numbers: [2, 84, 15] Generated Node #0,3: 12:[2, 84, 15] Operation: 60/4=15 Exploring Operation: 84/4=21, Resulting Numbers: [2, 60, 21] Generated Node #0,4: 12:[2, 60, 21] Operation: 84/4=21 Moving to Node #0,2 Current State: 12:[4, 2, 24], Operations: ['84-60=24'] Exploring Operation: 4+2=6, Resulting Numbers: [24, 6] Generated Node #0,2,0: 12:[24, 6] Operation: 4+2=6 Exploring Operation: 24/4=6, Resulting Numbers: [2, 6] Generated Node #0,2,1: 12:[2, 6] Operation: 24/4=6 Exploring Operation: 24/2=12, Resulting Numbers: [4, 12] Generated Node #0,2,2: 12:[4, 12] Operation: 24/2=12 Exploring Operation: 24-2=22, Resulting Numbers: [4, 22] Generated Node #0,2,3: 12:[4, 22] Operation: 24-2=22 Exploring Operation: 24-4=20, Resulting Numbers: [2, 20] Generated Node #0,2,4: 12:[2, 20] Operation: 24-4=20 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 12:[2, 6], Operations: ['84-60=24', '24/4=6'] Exploring Operation: 6/2=3, Resulting Numbers: [3] 3,12 unequal: No Solution Exploring Operation: 2+6=8, Resulting Numbers: [8] 8,12 unequal: No Solution Exploring Operation: 2*6=12, Resulting Numbers: [12] 12,12 equal: Goal Reached Moving to Node #0 Current State: 12:[4, 2, 60, 84], Operations: [] Exploring Operation: 84-60=24, Resulting Numbers: [4, 2, 24] Generated Node #0,2: 12:[4, 2, 24] Operation: 84-60=24 Moving to Node #0,2 Current State: 12:[4, 2, 24], Operations: ['84-60=24'] Exploring Operation: 24/4=6, Resulting Numbers: [2, 6] Generated Node #0,2,1: 12:[2, 6] Operation: 24/4=6 Moving to Node #0,2,1 Current State: 12:[2, 6], Operations: ['84-60=24', '24/4=6'] Exploring Operation: 2*6=12, Resulting Numbers: [12] 12,12 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_5
sum_heuristic
[ 38, 3, 3, 93 ]
68
[ "93-3=90", "90/3=30", "38+30=68" ]
Current State: 68:[38, 3, 3, 93], Operations: [] Exploring Operation: 93-3=90, Resulting Numbers: [38, 90] Generated Node #2: [38, 90] from Operation: 93-3=90 Current State: 68:[38, 90], Operations: ['93-3=90'] Exploring Operation: 90/3=30, Resulting Numbers: [38, 30] Generated Node #3: [38, 30] from Operation: 90/3=30 Current State: 68:[38, 30], Operations: ['93-3=90', '90/3=30'] Exploring Operation: 38+30=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
4
Current State: 68:[38, 3, 3, 93], Operations: [] Exploring Operation: 93/3=31, Resulting Numbers: [38, 3, 31] Generated Node #0,0: 68:[38, 3, 31] Operation: 93/3=31 Start Sub Search at level 1: Moving to Node #0,0 Current State: 68:[38, 3, 31], Operations: ['93/3=31'] Exploring Operation: 38+31=69, Resulting Numbers: [3, 69] Generated Node #0,0,0: 68:[3, 69] Operation: 38+31=69 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 68:[3, 69], Operations: ['93/3=31', '38+31=69'] Exploring Operation: 69-3=66, Resulting Numbers: [66] 66,68 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic