Datasets:

nums
listlengths
4
4
target
int64
10
100
solution
listlengths
3
3
optimal_path
stringlengths
282
529
start_size
int64
4
4
search_path
stringlengths
505
16.8k
rating
float64
0
0.99
search_type
stringclasses
5 values
heuristic
stringclasses
2 values
[ 22, 97, 29, 5 ]
51
[ "97-22=75", "29-5=24", "75-24=51" ]
Current State: 51:[22, 97, 29, 5], Operations: [] Exploring Operation: 97-22=75, Resulting Numbers: [29, 5, 75] Generated Node #2: [29, 5, 75] from Operation: 97-22=75 Current State: 51:[29, 5, 75], Operations: ['97-22=75'] Exploring Operation: 29-5=24, Resulting Numbers: [75, 24] Generated Node #3: [75, 24] from Operation: 29-5=24 Current State: 51:[75, 24], Operations: ['97-22=75', '29-5=24'] Exploring Operation: 75-24=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[22, 97, 29, 5], Operations: [] Exploring Operation: 97-22=75, Resulting Numbers: [29, 5, 75] Generated Node #0,0: 51:[29, 5, 75] Operation: 97-22=75 Exploring Operation: 97-29=68, Resulting Numbers: [22, 5, 68] Generated Node #0,1: 51:[22, 5, 68] Operation: 97-29=68 Moving to Node #0,1 Current State: 51:[22, 5, 68], Operations: ['97-29=68'] Exploring Operation: 68-22=46, Resulting Numbers: [5, 46] Generated Node #0,1,0: 51:[5, 46] Operation: 68-22=46 Exploring Operation: 22-5=17, Resulting Numbers: [68, 17] Generated Node #0,1,1: 51:[68, 17] Operation: 22-5=17 Moving to Node #0,0 Current State: 51:[29, 5, 75], Operations: ['97-22=75'] Exploring Operation: 75-29=46, Resulting Numbers: [5, 46] Generated Node #0,0,0: 51:[5, 46] Operation: 75-29=46 Exploring Operation: 75/5=15, Resulting Numbers: [29, 15] Generated Node #0,0,1: 51:[29, 15] Operation: 75/5=15 Moving to Node #0,1,0 Current State: 51:[5, 46], Operations: ['97-29=68', '68-22=46'] Exploring Operation: 46-5=41, Resulting Numbers: [41] 41,51 unequal: No Solution Exploring Operation: 5+46=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Moving to Node #0 Current State: 51:[22, 97, 29, 5], Operations: [] Exploring Operation: 97-29=68, Resulting Numbers: [22, 5, 68] Generated Node #0,1: 51:[22, 5, 68] Operation: 97-29=68 Moving to Node #0,1 Current State: 51:[22, 5, 68], Operations: ['97-29=68'] Exploring Operation: 68-22=46, Resulting Numbers: [5, 46] Generated Node #0,1,0: 51:[5, 46] Operation: 68-22=46 Moving to Node #0,1,0 Current State: 51:[5, 46], Operations: ['97-29=68', '68-22=46'] Exploring Operation: 5+46=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
0.989583
hs_2
mult_heuristic
[ 23, 75, 10, 60 ]
58
[ "75-23=52", "60/10=6", "52+6=58" ]
Current State: 58:[23, 75, 10, 60], Operations: [] Exploring Operation: 75-23=52, Resulting Numbers: [10, 60, 52] Generated Node #2: [10, 60, 52] from Operation: 75-23=52 Current State: 58:[10, 60, 52], Operations: ['75-23=52'] Exploring Operation: 60/10=6, Resulting Numbers: [52, 6] Generated Node #3: [52, 6] from Operation: 60/10=6 Current State: 58:[52, 6], Operations: ['75-23=52', '60/10=6'] Exploring Operation: 52+6=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[23, 75, 10, 60], Operations: [] Exploring Operation: 75-23=52, Resulting Numbers: [10, 60, 52] Generated Node #0,0: 58:[10, 60, 52] Operation: 75-23=52 Exploring Operation: 75-10=65, Resulting Numbers: [23, 60, 65] Generated Node #0,1: 58:[23, 60, 65] Operation: 75-10=65 Exploring Operation: 23+10=33, Resulting Numbers: [75, 60, 33] Generated Node #0,2: 58:[75, 60, 33] Operation: 23+10=33 Moving to Node #0,1 Current State: 58:[23, 60, 65], Operations: ['75-10=65'] Exploring Operation: 60-23=37, Resulting Numbers: [65, 37] Generated Node #0,1,0: 58:[65, 37] Operation: 60-23=37 Exploring Operation: 65-23=42, Resulting Numbers: [60, 42] Generated Node #0,1,1: 58:[60, 42] Operation: 65-23=42 Exploring Operation: 65-60=5, Resulting Numbers: [23, 5] Generated Node #0,1,2: 58:[23, 5] Operation: 65-60=5 Moving to Node #0,0 Current State: 58:[10, 60, 52], Operations: ['75-23=52'] Exploring Operation: 60-10=50, Resulting Numbers: [52, 50] Generated Node #0,0,0: 58:[52, 50] Operation: 60-10=50 Exploring Operation: 10+52=62, Resulting Numbers: [60, 62] Generated Node #0,0,1: 58:[60, 62] Operation: 10+52=62 Exploring Operation: 60/10=6, Resulting Numbers: [52, 6] Generated Node #0,0,2: 58:[52, 6] Operation: 60/10=6 Moving to Node #0,2 Current State: 58:[75, 60, 33], Operations: ['23+10=33'] Exploring Operation: 75-60=15, Resulting Numbers: [33, 15] Generated Node #0,2,0: 58:[33, 15] Operation: 75-60=15 Exploring Operation: 75-33=42, Resulting Numbers: [60, 42] Generated Node #0,2,1: 58:[60, 42] Operation: 75-33=42 Exploring Operation: 60-33=27, Resulting Numbers: [75, 27] Generated Node #0,2,2: 58:[75, 27] Operation: 60-33=27 Moving to Node #0,0,1 Current State: 58:[60, 62], Operations: ['75-23=52', '10+52=62'] Exploring Operation: 62-60=2, Resulting Numbers: [2] 2,58 unequal: No Solution Exploring Operation: 60+62=122, Resulting Numbers: [122] 122,58 unequal: No Solution Exploring Operation: 60*62=3720, Resulting Numbers: [3720] 3720,58 unequal: No Solution Moving to Node #0,1,2 Current State: 58:[23, 5], Operations: ['75-10=65', '65-60=5'] Exploring Operation: 23-5=18, Resulting Numbers: [18] 18,58 unequal: No Solution Exploring Operation: 23+5=28, Resulting Numbers: [28] 28,58 unequal: No Solution Exploring Operation: 23*5=115, Resulting Numbers: [115] 115,58 unequal: No Solution Moving to Node #0,0,2 Current State: 58:[52, 6], Operations: ['75-23=52', '60/10=6'] Exploring Operation: 52*6=312, Resulting Numbers: [312] 312,58 unequal: No Solution Exploring Operation: 52-6=46, Resulting Numbers: [46] 46,58 unequal: No Solution Exploring Operation: 52+6=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Moving to Node #0 Current State: 58:[23, 75, 10, 60], Operations: [] Exploring Operation: 75-23=52, Resulting Numbers: [10, 60, 52] Generated Node #0,0: 58:[10, 60, 52] Operation: 75-23=52 Moving to Node #0,0 Current State: 58:[10, 60, 52], Operations: ['75-23=52'] Exploring Operation: 60/10=6, Resulting Numbers: [52, 6] Generated Node #0,0,2: 58:[52, 6] Operation: 60/10=6 Moving to Node #0,0,2 Current State: 58:[52, 6], Operations: ['75-23=52', '60/10=6'] Exploring Operation: 52+6=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
0.978299
hs_3
sum_heuristic
[ 38, 29, 62, 59 ]
49
[ "62-59=3", "29*3=87", "87-38=49" ]
Current State: 49:[38, 29, 62, 59], Operations: [] Exploring Operation: 62-59=3, Resulting Numbers: [38, 29, 3] Generated Node #2: [38, 29, 3] from Operation: 62-59=3 Current State: 49:[38, 29, 3], Operations: ['62-59=3'] Exploring Operation: 29*3=87, Resulting Numbers: [38, 87] Generated Node #3: [38, 87] from Operation: 29*3=87 Current State: 49:[38, 87], Operations: ['62-59=3', '29*3=87'] Exploring Operation: 87-38=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
4
Current State: 49:[38, 29, 62, 59], Operations: [] Exploring Operation: 38-29=9, Resulting Numbers: [62, 59, 9] Generated Node #0,0: 49:[62, 59, 9] Operation: 38-29=9 Exploring Operation: 62-59=3, Resulting Numbers: [38, 29, 3] Generated Node #0,1: 49:[38, 29, 3] Operation: 62-59=3 Start Sub Search at level 1: Moving to Node #0,0 Current State: 49:[62, 59, 9], Operations: ['38-29=9'] Exploring Operation: 62-9=53, Resulting Numbers: [59, 53] Generated Node #0,0,0: 49:[59, 53] Operation: 62-9=53 Exploring Operation: 62-59=3, Resulting Numbers: [9, 3] Generated Node #0,0,1: 49:[9, 3] Operation: 62-59=3 Moving to Node #0,0,1 Current State: 49:[9, 3], Operations: ['38-29=9', '62-59=3'] Exploring Operation: 9-3=6, Resulting Numbers: [6] 6,49 unequal: No Solution Exploring Operation: 9/3=3, Resulting Numbers: [3] 3,49 unequal: No Solution Moving to Node #0,0,0 Current State: 49:[59, 53], Operations: ['38-29=9', '62-9=53'] Exploring Operation: 59-53=6, Resulting Numbers: [6] 6,49 unequal: No Solution Exploring Operation: 59+53=112, Resulting Numbers: [112] 112,49 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 Current State: 49:[38, 29, 3], Operations: ['62-59=3'] Exploring Operation: 38+29=67, Resulting Numbers: [3, 67] Generated Node #0,1,0: 49:[3, 67] Operation: 38+29=67 Exploring Operation: 38-29=9, Resulting Numbers: [3, 9] Generated Node #0,1,1: 49:[3, 9] Operation: 38-29=9 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 49:[3, 9], Operations: ['62-59=3', '38-29=9'] Exploring Operation: 9/3=3, Resulting Numbers: [3] 3,49 unequal: No Solution Exploring Operation: 9-3=6, Resulting Numbers: [6] 6,49 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:[3, 67], Operations: ['62-59=3', '38+29=67'] Exploring Operation: 3+67=70, Resulting Numbers: [70] 70,49 unequal: No Solution Exploring Operation: 67-3=64, Resulting Numbers: [64] 64,49 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 No solution found.
0
hs_2
sum_heuristic
[ 96, 33, 30, 36 ]
31
[ "96-36=60", "60/30=2", "33-2=31" ]
Current State: 31:[96, 33, 30, 36], Operations: [] Exploring Operation: 96-36=60, Resulting Numbers: [33, 30, 60] Generated Node #2: [33, 30, 60] from Operation: 96-36=60 Current State: 31:[33, 30, 60], Operations: ['96-36=60'] Exploring Operation: 60/30=2, Resulting Numbers: [33, 2] Generated Node #3: [33, 2] from Operation: 60/30=2 Current State: 31:[33, 2], Operations: ['96-36=60', '60/30=2'] Exploring Operation: 33-2=31, Resulting Numbers: [31] 31,31 equal: Goal Reached
4
Current State: 31:[96, 33, 30, 36], Operations: [] Exploring Operation: 96-30=66, Resulting Numbers: [33, 36, 66] Generated Node #0,0: 31:[33, 36, 66] Operation: 96-30=66 Exploring Operation: 96-36=60, Resulting Numbers: [33, 30, 60] Generated Node #0,1: 31:[33, 30, 60] Operation: 96-36=60 Exploring Operation: 36-30=6, Resulting Numbers: [96, 33, 6] Generated Node #0,2: 31:[96, 33, 6] Operation: 36-30=6 Exploring Operation: 96-33=63, Resulting Numbers: [30, 36, 63] Generated Node #0,3: 31:[30, 36, 63] Operation: 96-33=63 Start Sub Search at level 1: Moving to Node #0,1 Current State: 31:[33, 30, 60], Operations: ['96-36=60'] Exploring Operation: 33-30=3, Resulting Numbers: [60, 3] Generated Node #0,1,0: 31:[60, 3] Operation: 33-30=3 Exploring Operation: 60-30=30, Resulting Numbers: [33, 30] Generated Node #0,1,1: 31:[33, 30] Operation: 60-30=30 Exploring Operation: 60-33=27, Resulting Numbers: [30, 27] Generated Node #0,1,2: 31:[30, 27] Operation: 60-33=27 Exploring Operation: 60/30=2, Resulting Numbers: [33, 2] Generated Node #0,1,3: 31:[33, 2] Operation: 60/30=2 Moving to Node #0,1,1 Current State: 31:[33, 30], Operations: ['96-36=60', '60-30=30'] Exploring Operation: 33-30=3, Resulting Numbers: [3] 3,31 unequal: No Solution Exploring Operation: 33*30=990, Resulting Numbers: [990] 990,31 unequal: No Solution Exploring Operation: 33+30=63, Resulting Numbers: [63] 63,31 unequal: No Solution Moving to Node #0,1,2 Current State: 31:[30, 27], Operations: ['96-36=60', '60-33=27'] Exploring Operation: 30*27=810, Resulting Numbers: [810] 810,31 unequal: No Solution Exploring Operation: 30+27=57, Resulting Numbers: [57] 57,31 unequal: No Solution Exploring Operation: 30-27=3, Resulting Numbers: [3] 3,31 unequal: No Solution Moving to Node #0,1,3 Current State: 31:[33, 2], Operations: ['96-36=60', '60/30=2'] Exploring Operation: 33+2=35, Resulting Numbers: [35] 35,31 unequal: No Solution Exploring Operation: 33*2=66, Resulting Numbers: [66] 66,31 unequal: No Solution Exploring Operation: 33-2=31, Resulting Numbers: [31] 31,31 equal: Goal Reached Moving to Node #0 Current State: 31:[96, 33, 30, 36], Operations: [] Exploring Operation: 96-36=60, Resulting Numbers: [33, 30, 60] Generated Node #0,1: 31:[33, 30, 60] Operation: 96-36=60 Moving to Node #0,1 Current State: 31:[33, 30, 60], Operations: ['96-36=60'] Exploring Operation: 60/30=2, Resulting Numbers: [33, 2] Generated Node #0,1,3: 31:[33, 2] Operation: 60/30=2 Moving to Node #0,1,3 Current State: 31:[33, 2], Operations: ['96-36=60', '60/30=2'] Exploring Operation: 33-2=31, Resulting Numbers: [31] 31,31 equal: Goal Reached Exit Sub Search at level 1
0.981771
hs_4
sum_heuristic
[ 10, 5, 28, 46 ]
94
[ "10-5=5", "28*5=140", "140-46=94" ]
Current State: 94:[10, 5, 28, 46], Operations: [] Exploring Operation: 10-5=5, Resulting Numbers: [28, 46, 5] Generated Node #2: [28, 46, 5] from Operation: 10-5=5 Current State: 94:[28, 46, 5], Operations: ['10-5=5'] Exploring Operation: 28*5=140, Resulting Numbers: [46, 140] Generated Node #3: [46, 140] from Operation: 28*5=140 Current State: 94:[46, 140], Operations: ['10-5=5', '28*5=140'] Exploring Operation: 140-46=94, Resulting Numbers: [94] 94,94 equal: Goal Reached
4
Current State: 94:[10, 5, 28, 46], Operations: [] Exploring Operation: 28-10=18, Resulting Numbers: [5, 46, 18] Generated Node #0,0: 94:[5, 46, 18] Operation: 28-10=18 Exploring Operation: 10/5=2, Resulting Numbers: [28, 46, 2] Generated Node #0,1: 94:[28, 46, 2] Operation: 10/5=2 Exploring Operation: 10+28=38, Resulting Numbers: [5, 46, 38] Generated Node #0,2: 94:[5, 46, 38] Operation: 10+28=38 Start Sub Search at level 1: Moving to Node #0,2 Current State: 94:[5, 46, 38], Operations: ['10+28=38'] Exploring Operation: 5+46=51, Resulting Numbers: [38, 51] Generated Node #0,2,0: 94:[38, 51] Operation: 5+46=51 Exploring Operation: 46-38=8, Resulting Numbers: [5, 8] Generated Node #0,2,1: 94:[5, 8] Operation: 46-38=8 Exploring Operation: 5+38=43, Resulting Numbers: [46, 43] Generated Node #0,2,2: 94:[46, 43] Operation: 5+38=43 Moving to Node #0,2,2 Current State: 94:[46, 43], Operations: ['10+28=38', '5+38=43'] Exploring Operation: 46+43=89, Resulting Numbers: [89] 89,94 unequal: No Solution Exploring Operation: 46*43=1978, Resulting Numbers: [1978] 1978,94 unequal: No Solution Exploring Operation: 46-43=3, Resulting Numbers: [3] 3,94 unequal: No Solution Moving to Node #0,2,1 Current State: 94:[5, 8], Operations: ['10+28=38', '46-38=8'] Exploring Operation: 8-5=3, Resulting Numbers: [3] 3,94 unequal: No Solution Exploring Operation: 5+8=13, Resulting Numbers: [13] 13,94 unequal: No Solution Exploring Operation: 5*8=40, Resulting Numbers: [40] 40,94 unequal: No Solution Moving to Node #0,2,0 Current State: 94:[38, 51], Operations: ['10+28=38', '5+46=51'] Exploring Operation: 38+51=89, Resulting Numbers: [89] 89,94 unequal: No Solution Exploring Operation: 51-38=13, Resulting Numbers: [13] 13,94 unequal: No Solution Exploring Operation: 38*51=1938, Resulting Numbers: [1938] 1938,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 94:[5, 46, 18], Operations: ['28-10=18'] Exploring Operation: 5+46=51, Resulting Numbers: [18, 51] Generated Node #0,0,0: 94:[18, 51] Operation: 5+46=51 Exploring Operation: 18-5=13, Resulting Numbers: [46, 13] Generated Node #0,0,1: 94:[46, 13] Operation: 18-5=13 Exploring Operation: 5*18=90, Resulting Numbers: [46, 90] Generated Node #0,0,2: 94:[46, 90] Operation: 5*18=90 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 94:[46, 90], Operations: ['28-10=18', '5*18=90'] Exploring Operation: 46+90=136, Resulting Numbers: [136] 136,94 unequal: No Solution Exploring Operation: 46*90=4140, Resulting Numbers: [4140] 4140,94 unequal: No Solution Exploring Operation: 90-46=44, Resulting Numbers: [44] 44,94 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 94:[46, 13], Operations: ['28-10=18', '18-5=13'] Exploring Operation: 46+13=59, Resulting Numbers: [59] 59,94 unequal: No Solution Exploring Operation: 46-13=33, Resulting Numbers: [33] 33,94 unequal: No Solution Exploring Operation: 46*13=598, Resulting Numbers: [598] 598,94 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 94:[18, 51], Operations: ['28-10=18', '5+46=51'] Exploring Operation: 18*51=918, Resulting Numbers: [918] 918,94 unequal: No Solution Exploring Operation: 18+51=69, Resulting Numbers: [69] 69,94 unequal: No Solution Exploring Operation: 51-18=33, Resulting Numbers: [33] 33,94 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 94:[28, 46, 2], Operations: ['10/5=2'] Exploring Operation: 46-28=18, Resulting Numbers: [2, 18] Generated Node #0,1,0: 94:[2, 18] Operation: 46-28=18 Exploring Operation: 28*2=56, Resulting Numbers: [46, 56] Generated Node #0,1,1: 94:[46, 56] Operation: 28*2=56 Exploring Operation: 28/2=14, Resulting Numbers: [46, 14] Generated Node #0,1,2: 94:[46, 14] Operation: 28/2=14 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 94:[46, 56], Operations: ['10/5=2', '28*2=56'] Exploring Operation: 46*56=2576, Resulting Numbers: [2576] 2576,94 unequal: No Solution Exploring Operation: 56-46=10, Resulting Numbers: [10] 10,94 unequal: No Solution Exploring Operation: 46+56=102, Resulting Numbers: [102] 102,94 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 94:[46, 14], Operations: ['10/5=2', '28/2=14'] Exploring Operation: 46*14=644, Resulting Numbers: [644] 644,94 unequal: No Solution Exploring Operation: 46-14=32, Resulting Numbers: [32] 32,94 unequal: No Solution Exploring Operation: 46+14=60, Resulting Numbers: [60] 60,94 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 94:[2, 18], Operations: ['10/5=2', '46-28=18'] Exploring Operation: 18-2=16, Resulting Numbers: [16] 16,94 unequal: No Solution Exploring Operation: 2*18=36, Resulting Numbers: [36] 36,94 unequal: No Solution Exploring Operation: 18/2=9, Resulting Numbers: [9] 9,94 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 56, 23, 39, 62 ]
55
[ "23+39=62", "62/62=1", "56-1=55" ]
Current State: 55:[56, 23, 39, 62], Operations: [] Exploring Operation: 23+39=62, Resulting Numbers: [56, 62, 62] Generated Node #2: [56, 62, 62] from Operation: 23+39=62 Current State: 55:[56, 62, 62], Operations: ['23+39=62'] Exploring Operation: 62/62=1, Resulting Numbers: [56, 1] Generated Node #3: [56, 1] from Operation: 62/62=1 Current State: 55:[56, 1], Operations: ['23+39=62', '62/62=1'] Exploring Operation: 56-1=55, Resulting Numbers: [55] 55,55 equal: Goal Reached
4
Current State: 55:[56, 23, 39, 62], Operations: [] Exploring Operation: 23+39=62, Resulting Numbers: [56, 62, 62] Generated Node #0,0: 55:[56, 62, 62] Operation: 23+39=62 Exploring Operation: 39-23=16, Resulting Numbers: [56, 62, 16] Generated Node #0,1: 55:[56, 62, 16] Operation: 39-23=16 Start Sub Search at level 1: Moving to Node #0,1 Current State: 55:[56, 62, 16], Operations: ['39-23=16'] Exploring Operation: 62-16=46, Resulting Numbers: [56, 46] Generated Node #0,1,0: 55:[56, 46] Operation: 62-16=46 Exploring Operation: 62-56=6, Resulting Numbers: [16, 6] Generated Node #0,1,1: 55:[16, 6] Operation: 62-56=6 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 55:[16, 6], Operations: ['39-23=16', '62-56=6'] Exploring Operation: 16+6=22, Resulting Numbers: [22] 22,55 unequal: No Solution Exploring Operation: 16-6=10, Resulting Numbers: [10] 10,55 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 55:[56, 46], Operations: ['39-23=16', '62-16=46'] Exploring Operation: 56+46=102, Resulting Numbers: [102] 102,55 unequal: No Solution Exploring Operation: 56-46=10, Resulting Numbers: [10] 10,55 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 55:[56, 62, 62], Operations: ['23+39=62'] Exploring Operation: 62-62=0, Resulting Numbers: [56, 0] Generated Node #0,0,0: 55:[56, 0] Operation: 62-62=0 Exploring Operation: 62/62=1, Resulting Numbers: [56, 1] Generated Node #0,0,1: 55:[56, 1] Operation: 62/62=1 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 55:[56, 1], Operations: ['23+39=62', '62/62=1'] Exploring Operation: 56*1=56, Resulting Numbers: [56] 56,55 unequal: No Solution Exploring Operation: 56-1=55, Resulting Numbers: [55] 55,55 equal: Goal Reached Moving to Node #0 Current State: 55:[56, 23, 39, 62], Operations: [] Exploring Operation: 23+39=62, Resulting Numbers: [56, 62, 62] Generated Node #0,0: 55:[56, 62, 62] Operation: 23+39=62 Moving to Node #0,0 Current State: 55:[56, 62, 62], Operations: ['23+39=62'] Exploring Operation: 62/62=1, Resulting Numbers: [56, 1] Generated Node #0,0,1: 55:[56, 1] Operation: 62/62=1 Moving to Node #0,0,1 Current State: 55:[56, 1], Operations: ['23+39=62', '62/62=1'] Exploring Operation: 56-1=55, Resulting Numbers: [55] 55,55 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986111
hs_2
mult_heuristic
[ 10, 9, 38, 51 ]
89
[ "10-9=1", "38+51=89", "1*89=89" ]
Current State: 89:[10, 9, 38, 51], Operations: [] Exploring Operation: 10-9=1, Resulting Numbers: [38, 51, 1] Generated Node #2: [38, 51, 1] from Operation: 10-9=1 Current State: 89:[38, 51, 1], Operations: ['10-9=1'] Exploring Operation: 38+51=89, Resulting Numbers: [1, 89] Generated Node #3: [1, 89] from Operation: 38+51=89 Current State: 89:[1, 89], Operations: ['10-9=1', '38+51=89'] Exploring Operation: 1*89=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
4
Current State: 89:[10, 9, 38, 51], Operations: [] Exploring Operation: 10*9=90, Resulting Numbers: [38, 51, 90] Generated Node #0,0: 89:[38, 51, 90] Operation: 10*9=90 Start Sub Search at level 1: Moving to Node #0,0 Current State: 89:[38, 51, 90], Operations: ['10*9=90'] Exploring Operation: 38+51=89, Resulting Numbers: [90, 89] Generated Node #0,0,0: 89:[90, 89] Operation: 38+51=89 Moving to Node #0,0,0 Current State: 89:[90, 89], Operations: ['10*9=90', '38+51=89'] Exploring Operation: 90-89=1, Resulting Numbers: [1] 1,89 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
[ 13, 41, 23, 18 ]
95
[ "13+41=54", "23+18=41", "54+41=95" ]
Current State: 95:[13, 41, 23, 18], Operations: [] Exploring Operation: 13+41=54, Resulting Numbers: [23, 18, 54] Generated Node #2: [23, 18, 54] from Operation: 13+41=54 Current State: 95:[23, 18, 54], Operations: ['13+41=54'] Exploring Operation: 23+18=41, Resulting Numbers: [54, 41] Generated Node #3: [54, 41] from Operation: 23+18=41 Current State: 95:[54, 41], Operations: ['13+41=54', '23+18=41'] Exploring Operation: 54+41=95, Resulting Numbers: [95] 95,95 equal: Goal Reached
4
Current State: 95:[13, 41, 23, 18], Operations: [] Exploring Operation: 41-13=28, Resulting Numbers: [23, 18, 28] Generated Node #0,0: 95:[23, 18, 28] Operation: 41-13=28 Exploring Operation: 18-13=5, Resulting Numbers: [41, 23, 5] Generated Node #0,1: 95:[41, 23, 5] Operation: 18-13=5 Exploring Operation: 41-18=23, Resulting Numbers: [13, 23, 23] Generated Node #0,2: 95:[13, 23, 23] Operation: 41-18=23 Exploring Operation: 41-23=18, Resulting Numbers: [13, 18, 18] Generated Node #0,3: 95:[13, 18, 18] Operation: 41-23=18 Exploring Operation: 23-13=10, Resulting Numbers: [41, 18, 10] Generated Node #0,4: 95:[41, 18, 10] Operation: 23-13=10 Start Sub Search at level 1: Moving to Node #0,3 Current State: 95:[13, 18, 18], Operations: ['41-23=18'] Exploring Operation: 13+18=31, Resulting Numbers: [18, 31] Generated Node #0,3,0: 95:[18, 31] Operation: 13+18=31 Exploring Operation: 18/18=1, Resulting Numbers: [13, 1] Generated Node #0,3,1: 95:[13, 1] Operation: 18/18=1 Exploring Operation: 18-18=0, Resulting Numbers: [13, 0] Generated Node #0,3,2: 95:[13, 0] Operation: 18-18=0 Exploring Operation: 18-13=5, Resulting Numbers: [18, 5] Generated Node #0,3,3: 95:[18, 5] Operation: 18-13=5 Exploring Operation: 18-13=5, Resulting Numbers: [18, 5] Generated Node #0,3,4: 95:[18, 5] Operation: 18-13=5 Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 95:[18, 5], Operations: ['41-23=18', '18-13=5'] Exploring Operation: 18+5=23, Resulting Numbers: [23] 23,95 unequal: No Solution Exploring Operation: 18-5=13, Resulting Numbers: [13] 13,95 unequal: No Solution Exploring Operation: 18*5=90, Resulting Numbers: [90] 90,95 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 95:[18, 5], Operations: ['41-23=18', '18-13=5'] Exploring Operation: 18+5=23, Resulting Numbers: [23] 23,95 unequal: No Solution Exploring Operation: 18-5=13, Resulting Numbers: [13] 13,95 unequal: No Solution Exploring Operation: 18*5=90, Resulting Numbers: [90] 90,95 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 95:[13, 1], Operations: ['41-23=18', '18/18=1'] Exploring Operation: 13-1=12, Resulting Numbers: [12] 12,95 unequal: No Solution Exploring Operation: 13*1=13, Resulting Numbers: [13] 13,95 unequal: No Solution Exploring Operation: 13/1=13, Resulting Numbers: [13] 13,95 unequal: No Solution Exploring Operation: 13+1=14, Resulting Numbers: [14] 14,95 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 95:[13, 0], Operations: ['41-23=18', '18-18=0'] Exploring Operation: 13+0=13, Resulting Numbers: [13] 13,95 unequal: No Solution Exploring Operation: 13*0=0, Resulting Numbers: [0] 0,95 unequal: No Solution Exploring Operation: 13-0=13, Resulting Numbers: [13] 13,95 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 95:[18, 31], Operations: ['41-23=18', '13+18=31'] Exploring Operation: 18+31=49, Resulting Numbers: [49] 49,95 unequal: No Solution Exploring Operation: 31-18=13, Resulting Numbers: [13] 13,95 unequal: No Solution Exploring Operation: 18*31=558, Resulting Numbers: [558] 558,95 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 95:[23, 18, 28], Operations: ['41-13=28'] Exploring Operation: 18+28=46, Resulting Numbers: [23, 46] Generated Node #0,0,0: 95:[23, 46] Operation: 18+28=46 Exploring Operation: 28-18=10, Resulting Numbers: [23, 10] Generated Node #0,0,1: 95:[23, 10] Operation: 28-18=10 Exploring Operation: 23-18=5, Resulting Numbers: [28, 5] Generated Node #0,0,2: 95:[28, 5] Operation: 23-18=5 Exploring Operation: 23+18=41, Resulting Numbers: [28, 41] Generated Node #0,0,3: 95:[28, 41] Operation: 23+18=41 Exploring Operation: 28-23=5, Resulting Numbers: [18, 5] Generated Node #0,0,4: 95:[18, 5] Operation: 28-23=5 Moving to Node #0,0,4 Current State: 95:[18, 5], Operations: ['41-13=28', '28-23=5'] Exploring Operation: 18-5=13, Resulting Numbers: [13] 13,95 unequal: No Solution Exploring Operation: 18*5=90, Resulting Numbers: [90] 90,95 unequal: No Solution Exploring Operation: 18+5=23, Resulting Numbers: [23] 23,95 unequal: No Solution Moving to Node #0,0,2 Current State: 95:[28, 5], Operations: ['41-13=28', '23-18=5'] Exploring Operation: 28*5=140, Resulting Numbers: [140] 140,95 unequal: No Solution Exploring Operation: 28+5=33, Resulting Numbers: [33] 33,95 unequal: No Solution Exploring Operation: 28-5=23, Resulting Numbers: [23] 23,95 unequal: No Solution Moving to Node #0,0,1 Current State: 95:[23, 10], Operations: ['41-13=28', '28-18=10'] Exploring Operation: 23*10=230, Resulting Numbers: [230] 230,95 unequal: No Solution Exploring Operation: 23+10=33, Resulting Numbers: [33] 33,95 unequal: No Solution Exploring Operation: 23-10=13, Resulting Numbers: [13] 13,95 unequal: No Solution Moving to Node #0,0,0 Current State: 95:[23, 46], Operations: ['41-13=28', '18+28=46'] Exploring Operation: 23+46=69, Resulting Numbers: [69] 69,95 unequal: No Solution Exploring Operation: 46-23=23, Resulting Numbers: [23] 23,95 unequal: No Solution Exploring Operation: 23*46=1058, Resulting Numbers: [1058] 1058,95 unequal: No Solution Exploring Operation: 46/23=2, Resulting Numbers: [2] 2,95 unequal: No Solution Moving to Node #0,0,3 Current State: 95:[28, 41], Operations: ['41-13=28', '23+18=41'] Exploring Operation: 28*41=1148, Resulting Numbers: [1148] 1148,95 unequal: No Solution Exploring Operation: 28+41=69, Resulting Numbers: [69] 69,95 unequal: No Solution Exploring Operation: 41-28=13, Resulting Numbers: [13] 13,95 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 95:[13, 23, 23], Operations: ['41-18=23'] Exploring Operation: 23-23=0, Resulting Numbers: [13, 0] Generated Node #0,2,0: 95:[13, 0] Operation: 23-23=0 Exploring Operation: 23-13=10, Resulting Numbers: [23, 10] Generated Node #0,2,1: 95:[23, 10] Operation: 23-13=10 Exploring Operation: 13+23=36, Resulting Numbers: [23, 36] Generated Node #0,2,2: 95:[23, 36] Operation: 13+23=36 Exploring Operation: 23-13=10, Resulting Numbers: [23, 10] Generated Node #0,2,3: 95:[23, 10] Operation: 23-13=10 Exploring Operation: 23/23=1, Resulting Numbers: [13, 1] Generated Node #0,2,4: 95:[13, 1] Operation: 23/23=1 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 95:[23, 10], Operations: ['41-18=23', '23-13=10'] Exploring Operation: 23*10=230, Resulting Numbers: [230] 230,95 unequal: No Solution Exploring Operation: 23+10=33, Resulting Numbers: [33] 33,95 unequal: No Solution Exploring Operation: 23-10=13, Resulting Numbers: [13] 13,95 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 95:[23, 10], Operations: ['41-18=23', '23-13=10'] Exploring Operation: 23+10=33, Resulting Numbers: [33] 33,95 unequal: No Solution Exploring Operation: 23-10=13, Resulting Numbers: [13] 13,95 unequal: No Solution Exploring Operation: 23*10=230, Resulting Numbers: [230] 230,95 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 95:[13, 1], Operations: ['41-18=23', '23/23=1'] Exploring Operation: 13+1=14, Resulting Numbers: [14] 14,95 unequal: No Solution Exploring Operation: 13-1=12, Resulting Numbers: [12] 12,95 unequal: No Solution Exploring Operation: 13*1=13, Resulting Numbers: [13] 13,95 unequal: No Solution Exploring Operation: 13/1=13, Resulting Numbers: [13] 13,95 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 95:[13, 0], Operations: ['41-18=23', '23-23=0'] Exploring Operation: 13*0=0, Resulting Numbers: [0] 0,95 unequal: No Solution Exploring Operation: 13+0=13, Resulting Numbers: [13] 13,95 unequal: No Solution Exploring Operation: 13-0=13, Resulting Numbers: [13] 13,95 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 95:[23, 36], Operations: ['41-18=23', '13+23=36'] Exploring Operation: 23*36=828, Resulting Numbers: [828] 828,95 unequal: No Solution Exploring Operation: 36-23=13, Resulting Numbers: [13] 13,95 unequal: No Solution Exploring Operation: 23+36=59, Resulting Numbers: [59] 59,95 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 95:[41, 23, 5], Operations: ['18-13=5'] Exploring Operation: 41-5=36, Resulting Numbers: [23, 36] Generated Node #0,1,0: 95:[23, 36] Operation: 41-5=36 Exploring Operation: 41+5=46, Resulting Numbers: [23, 46] Generated Node #0,1,1: 95:[23, 46] Operation: 41+5=46 Exploring Operation: 23-5=18, Resulting Numbers: [41, 18] Generated Node #0,1,2: 95:[41, 18] Operation: 23-5=18 Exploring Operation: 41-23=18, Resulting Numbers: [5, 18] Generated Node #0,1,3: 95:[5, 18] Operation: 41-23=18 Exploring Operation: 41+23=64, Resulting Numbers: [5, 64] Generated Node #0,1,4: 95:[5, 64] Operation: 41+23=64 Moving to Node #0,1,3 Current State: 95:[5, 18], Operations: ['18-13=5', '41-23=18'] Exploring Operation: 18-5=13, Resulting Numbers: [13] 13,95 unequal: No Solution Exploring Operation: 5*18=90, Resulting Numbers: [90] 90,95 unequal: No Solution Exploring Operation: 5+18=23, Resulting Numbers: [23] 23,95 unequal: No Solution Moving to Node #0,1,0 Current State: 95:[23, 36], Operations: ['18-13=5', '41-5=36'] Exploring Operation: 23*36=828, Resulting Numbers: [828] 828,95 unequal: No Solution Exploring Operation: 23+36=59, Resulting Numbers: [59] 59,95 unequal: No Solution Exploring Operation: 36-23=13, Resulting Numbers: [13] 13,95 unequal: No Solution Moving to Node #0,1,2 Current State: 95:[41, 18], Operations: ['18-13=5', '23-5=18'] Exploring Operation: 41+18=59, Resulting Numbers: [59] 59,95 unequal: No Solution Exploring Operation: 41-18=23, Resulting Numbers: [23] 23,95 unequal: No Solution Exploring Operation: 41*18=738, Resulting Numbers: [738] 738,95 unequal: No Solution Moving to Node #0,1,1 Current State: 95:[23, 46], Operations: ['18-13=5', '41+5=46'] Exploring Operation: 46/23=2, Resulting Numbers: [2] 2,95 unequal: No Solution Exploring Operation: 23+46=69, Resulting Numbers: [69] 69,95 unequal: No Solution Exploring Operation: 23*46=1058, Resulting Numbers: [1058] 1058,95 unequal: No Solution Exploring Operation: 46-23=23, Resulting Numbers: [23] 23,95 unequal: No Solution Moving to Node #0,1,4 Current State: 95:[5, 64], Operations: ['18-13=5', '41+23=64'] Exploring Operation: 5*64=320, Resulting Numbers: [320] 320,95 unequal: No Solution Exploring Operation: 5+64=69, Resulting Numbers: [69] 69,95 unequal: No Solution Exploring Operation: 64-5=59, Resulting Numbers: [59] 59,95 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 95:[41, 18, 10], Operations: ['23-13=10'] Exploring Operation: 41-18=23, Resulting Numbers: [10, 23] Generated Node #0,4,0: 95:[10, 23] Operation: 41-18=23 Exploring Operation: 18+10=28, Resulting Numbers: [41, 28] Generated Node #0,4,1: 95:[41, 28] Operation: 18+10=28 Exploring Operation: 41+10=51, Resulting Numbers: [18, 51] Generated Node #0,4,2: 95:[18, 51] Operation: 41+10=51 Exploring Operation: 18-10=8, Resulting Numbers: [41, 8] Generated Node #0,4,3: 95:[41, 8] Operation: 18-10=8 Exploring Operation: 41-10=31, Resulting Numbers: [18, 31] Generated Node #0,4,4: 95:[18, 31] Operation: 41-10=31 Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 95:[10, 23], Operations: ['23-13=10', '41-18=23'] Exploring Operation: 10+23=33, Resulting Numbers: [33] 33,95 unequal: No Solution Exploring Operation: 10*23=230, Resulting Numbers: [230] 230,95 unequal: No Solution Exploring Operation: 23-10=13, Resulting Numbers: [13] 13,95 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 95:[18, 31], Operations: ['23-13=10', '41-10=31'] Exploring Operation: 18*31=558, Resulting Numbers: [558] 558,95 unequal: No Solution Exploring Operation: 31-18=13, Resulting Numbers: [13] 13,95 unequal: No Solution Exploring Operation: 18+31=49, Resulting Numbers: [49] 49,95 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 95:[41, 8], Operations: ['23-13=10', '18-10=8'] Exploring Operation: 41*8=328, Resulting Numbers: [328] 328,95 unequal: No Solution Exploring Operation: 41-8=33, Resulting Numbers: [33] 33,95 unequal: No Solution Exploring Operation: 41+8=49, Resulting Numbers: [49] 49,95 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 95:[41, 28], Operations: ['23-13=10', '18+10=28'] Exploring Operation: 41+28=69, Resulting Numbers: [69] 69,95 unequal: No Solution Exploring Operation: 41*28=1148, Resulting Numbers: [1148] 1148,95 unequal: No Solution Exploring Operation: 41-28=13, Resulting Numbers: [13] 13,95 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 95:[18, 51], Operations: ['23-13=10', '41+10=51'] Exploring Operation: 51-18=33, Resulting Numbers: [33] 33,95 unequal: No Solution Exploring Operation: 18+51=69, Resulting Numbers: [69] 69,95 unequal: No Solution Exploring Operation: 18*51=918, Resulting Numbers: [918] 918,95 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
sum_heuristic
[ 42, 82, 69, 48 ]
61
[ "82-42=40", "69-48=21", "40+21=61" ]
Current State: 61:[42, 82, 69, 48], Operations: [] Exploring Operation: 82-42=40, Resulting Numbers: [69, 48, 40] Generated Node #2: [69, 48, 40] from Operation: 82-42=40 Current State: 61:[69, 48, 40], Operations: ['82-42=40'] Exploring Operation: 69-48=21, Resulting Numbers: [40, 21] Generated Node #3: [40, 21] from Operation: 69-48=21 Current State: 61:[40, 21], Operations: ['82-42=40', '69-48=21'] Exploring Operation: 40+21=61, Resulting Numbers: [61] 61,61 equal: Goal Reached
4
Current State: 61:[42, 82, 69, 48], Operations: [] Exploring Operation: 82-69=13, Resulting Numbers: [42, 48, 13] Generated Node #0,0: 61:[42, 48, 13] Operation: 82-69=13 Exploring Operation: 82-48=34, Resulting Numbers: [42, 69, 34] Generated Node #0,1: 61:[42, 69, 34] Operation: 82-48=34 Exploring Operation: 42+48=90, Resulting Numbers: [82, 69, 90] Generated Node #0,2: 61:[82, 69, 90] Operation: 42+48=90 Exploring Operation: 69-42=27, Resulting Numbers: [82, 48, 27] Generated Node #0,3: 61:[82, 48, 27] Operation: 69-42=27 Exploring Operation: 82-42=40, Resulting Numbers: [69, 48, 40] Generated Node #0,4: 61:[69, 48, 40] Operation: 82-42=40 Moving to Node #0,4 Current State: 61:[69, 48, 40], Operations: ['82-42=40'] Exploring Operation: 69-40=29, Resulting Numbers: [48, 29] Generated Node #0,4,0: 61:[48, 29] Operation: 69-40=29 Exploring Operation: 48+40=88, Resulting Numbers: [69, 88] Generated Node #0,4,1: 61:[69, 88] Operation: 48+40=88 Exploring Operation: 69+40=109, Resulting Numbers: [48, 109] Generated Node #0,4,2: 61:[48, 109] Operation: 69+40=109 Exploring Operation: 48-40=8, Resulting Numbers: [69, 8] Generated Node #0,4,3: 61:[69, 8] Operation: 48-40=8 Exploring Operation: 69-48=21, Resulting Numbers: [40, 21] Generated Node #0,4,4: 61:[40, 21] Operation: 69-48=21 Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 61:[69, 88], Operations: ['82-42=40', '48+40=88'] Exploring Operation: 69*88=6072, Resulting Numbers: [6072] 6072,61 unequal: No Solution Exploring Operation: 69+88=157, Resulting Numbers: [157] 157,61 unequal: No Solution Exploring Operation: 88-69=19, Resulting Numbers: [19] 19,61 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 #0,4,0 Current State: 61:[48, 29], Operations: ['82-42=40', '69-40=29'] Exploring Operation: 48+29=77, Resulting Numbers: [77] 77,61 unequal: No Solution Exploring Operation: 48-29=19, Resulting Numbers: [19] 19,61 unequal: No Solution Exploring Operation: 48*29=1392, Resulting Numbers: [1392] 1392,61 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 #0,4,2 Current State: 61:[48, 109], Operations: ['82-42=40', '69+40=109'] Exploring Operation: 48+109=157, Resulting Numbers: [157] 157,61 unequal: No Solution Exploring Operation: 48*109=5232, Resulting Numbers: [5232] 5232,61 unequal: No Solution Exploring Operation: 109-48=61, Resulting Numbers: [61] 61,61 equal: Goal Reached Moving to Node #0 Current State: 61:[42, 82, 69, 48], Operations: [] Exploring Operation: 82-42=40, Resulting Numbers: [69, 48, 40] Generated Node #0,4: 61:[69, 48, 40] Operation: 82-42=40 Moving to Node #0,4 Current State: 61:[69, 48, 40], Operations: ['82-42=40'] Exploring Operation: 69+40=109, Resulting Numbers: [48, 109] Generated Node #0,4,2: 61:[48, 109] Operation: 69+40=109 Moving to Node #0,4,2 Current State: 61:[48, 109], Operations: ['82-42=40', '69+40=109'] Exploring Operation: 109-48=61, Resulting Numbers: [61] 61,61 equal: Goal Reached Exit Sub Search at level 1
0.980035
hs_5
sum_heuristic
[ 62, 17, 98, 10 ]
48
[ "17-10=7", "98/7=14", "62-14=48" ]
Current State: 48:[62, 17, 98, 10], Operations: [] Exploring Operation: 17-10=7, Resulting Numbers: [62, 98, 7] Generated Node #2: [62, 98, 7] from Operation: 17-10=7 Current State: 48:[62, 98, 7], Operations: ['17-10=7'] Exploring Operation: 98/7=14, Resulting Numbers: [62, 14] Generated Node #3: [62, 14] from Operation: 98/7=14 Current State: 48:[62, 14], Operations: ['17-10=7', '98/7=14'] Exploring Operation: 62-14=48, Resulting Numbers: [48] 48,48 equal: Goal Reached
4
Current State: 48:[62, 17, 98, 10], Operations: [] Exploring Operation: 98-17=81, Resulting Numbers: [62, 10, 81] Generated Node #0,0: 48:[62, 10, 81] Operation: 98-17=81 Exploring Operation: 62-17=45, Resulting Numbers: [98, 10, 45] Generated Node #0,1: 48:[98, 10, 45] Operation: 62-17=45 Exploring Operation: 98-10=88, Resulting Numbers: [62, 17, 88] Generated Node #0,2: 48:[62, 17, 88] Operation: 98-10=88 Exploring Operation: 98-62=36, Resulting Numbers: [17, 10, 36] Generated Node #0,3: 48:[17, 10, 36] Operation: 98-62=36 Exploring Operation: 62-10=52, Resulting Numbers: [17, 98, 52] Generated Node #0,4: 48:[17, 98, 52] Operation: 62-10=52 Moving to Node #0,3 Current State: 48:[17, 10, 36], Operations: ['98-62=36'] Exploring Operation: 36-17=19, Resulting Numbers: [10, 19] Generated Node #0,3,0: 48:[10, 19] Operation: 36-17=19 Exploring Operation: 17+36=53, Resulting Numbers: [10, 53] Generated Node #0,3,1: 48:[10, 53] Operation: 17+36=53 Exploring Operation: 17-10=7, Resulting Numbers: [36, 7] Generated Node #0,3,2: 48:[36, 7] Operation: 17-10=7 Exploring Operation: 36-10=26, Resulting Numbers: [17, 26] Generated Node #0,3,3: 48:[17, 26] Operation: 36-10=26 Exploring Operation: 10+36=46, Resulting Numbers: [17, 46] Generated Node #0,3,4: 48:[17, 46] Operation: 10+36=46 Moving to Node #0,0 Current State: 48:[62, 10, 81], Operations: ['98-17=81'] Exploring Operation: 10+81=91, Resulting Numbers: [62, 91] Generated Node #0,0,0: 48:[62, 91] Operation: 10+81=91 Exploring Operation: 62-10=52, Resulting Numbers: [81, 52] Generated Node #0,0,1: 48:[81, 52] Operation: 62-10=52 Exploring Operation: 81-62=19, Resulting Numbers: [10, 19] Generated Node #0,0,2: 48:[10, 19] Operation: 81-62=19 Exploring Operation: 81-10=71, Resulting Numbers: [62, 71] Generated Node #0,0,3: 48:[62, 71] Operation: 81-10=71 Exploring Operation: 62+10=72, Resulting Numbers: [81, 72] Generated Node #0,0,4: 48:[81, 72] Operation: 62+10=72 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 48:[10, 19], Operations: ['98-17=81', '81-62=19'] Exploring Operation: 10*19=190, Resulting Numbers: [190] 190,48 unequal: No Solution Exploring Operation: 10+19=29, Resulting Numbers: [29] 29,48 unequal: No Solution Exploring Operation: 19-10=9, Resulting Numbers: [9] 9,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 48:[81, 52], Operations: ['98-17=81', '62-10=52'] Exploring Operation: 81+52=133, Resulting Numbers: [133] 133,48 unequal: No Solution Exploring Operation: 81-52=29, Resulting Numbers: [29] 29,48 unequal: No Solution Exploring Operation: 81*52=4212, Resulting Numbers: [4212] 4212,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 48:[62, 71], Operations: ['98-17=81', '81-10=71'] Exploring Operation: 62+71=133, Resulting Numbers: [133] 133,48 unequal: No Solution Exploring Operation: 71-62=9, Resulting Numbers: [9] 9,48 unequal: No Solution Exploring Operation: 62*71=4402, Resulting Numbers: [4402] 4402,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 48:[62, 91], Operations: ['98-17=81', '10+81=91'] Exploring Operation: 91-62=29, Resulting Numbers: [29] 29,48 unequal: No Solution Exploring Operation: 62*91=5642, Resulting Numbers: [5642] 5642,48 unequal: No Solution Exploring Operation: 62+91=153, Resulting Numbers: [153] 153,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 48:[81, 72], Operations: ['98-17=81', '62+10=72'] Exploring Operation: 81*72=5832, Resulting Numbers: [5832] 5832,48 unequal: No Solution Exploring Operation: 81-72=9, Resulting Numbers: [9] 9,48 unequal: No Solution Exploring Operation: 81+72=153, Resulting Numbers: [153] 153,48 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: 48:[98, 10, 45], Operations: ['62-17=45'] Exploring Operation: 10+45=55, Resulting Numbers: [98, 55] Generated Node #0,1,0: 48:[98, 55] Operation: 10+45=55 Exploring Operation: 45-10=35, Resulting Numbers: [98, 35] Generated Node #0,1,1: 48:[98, 35] Operation: 45-10=35 Exploring Operation: 98-45=53, Resulting Numbers: [10, 53] Generated Node #0,1,2: 48:[10, 53] Operation: 98-45=53 Exploring Operation: 98+10=108, Resulting Numbers: [45, 108] Generated Node #0,1,3: 48:[45, 108] Operation: 98+10=108 Exploring Operation: 98-10=88, Resulting Numbers: [45, 88] Generated Node #0,1,4: 48:[45, 88] Operation: 98-10=88 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 48:[10, 53], Operations: ['62-17=45', '98-45=53'] Exploring Operation: 53-10=43, Resulting Numbers: [43] 43,48 unequal: No Solution Exploring Operation: 10*53=530, Resulting Numbers: [530] 530,48 unequal: No Solution Exploring Operation: 10+53=63, Resulting Numbers: [63] 63,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 48:[45, 88], Operations: ['62-17=45', '98-10=88'] Exploring Operation: 88-45=43, Resulting Numbers: [43] 43,48 unequal: No Solution Exploring Operation: 45+88=133, Resulting Numbers: [133] 133,48 unequal: No Solution Exploring Operation: 45*88=3960, Resulting Numbers: [3960] 3960,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 48:[98, 55], Operations: ['62-17=45', '10+45=55'] Exploring Operation: 98-55=43, Resulting Numbers: [43] 43,48 unequal: No Solution Exploring Operation: 98+55=153, Resulting Numbers: [153] 153,48 unequal: No Solution Exploring Operation: 98*55=5390, Resulting Numbers: [5390] 5390,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 48:[98, 35], Operations: ['62-17=45', '45-10=35'] Exploring Operation: 98+35=133, Resulting Numbers: [133] 133,48 unequal: No Solution Exploring Operation: 98-35=63, Resulting Numbers: [63] 63,48 unequal: No Solution Exploring Operation: 98*35=3430, Resulting Numbers: [3430] 3430,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 48:[45, 108], Operations: ['62-17=45', '98+10=108'] Exploring Operation: 45*108=4860, Resulting Numbers: [4860] 4860,48 unequal: No Solution Exploring Operation: 45+108=153, Resulting Numbers: [153] 153,48 unequal: No Solution Exploring Operation: 108-45=63, Resulting Numbers: [63] 63,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 48:[62, 17, 88], Operations: ['98-10=88'] Exploring Operation: 62-17=45, Resulting Numbers: [88, 45] Generated Node #0,2,0: 48:[88, 45] Operation: 62-17=45 Exploring Operation: 62+17=79, Resulting Numbers: [88, 79] Generated Node #0,2,1: 48:[88, 79] Operation: 62+17=79 Exploring Operation: 88-17=71, Resulting Numbers: [62, 71] Generated Node #0,2,2: 48:[62, 71] Operation: 88-17=71 Exploring Operation: 88-62=26, Resulting Numbers: [17, 26] Generated Node #0,2,3: 48:[17, 26] Operation: 88-62=26 Exploring Operation: 17+88=105, Resulting Numbers: [62, 105] Generated Node #0,2,4: 48:[62, 105] Operation: 17+88=105 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 48:[17, 26], Operations: ['98-10=88', '88-62=26'] Exploring Operation: 26-17=9, Resulting Numbers: [9] 9,48 unequal: No Solution Exploring Operation: 17+26=43, Resulting Numbers: [43] 43,48 unequal: No Solution Exploring Operation: 17*26=442, Resulting Numbers: [442] 442,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 48:[62, 71], Operations: ['98-10=88', '88-17=71'] Exploring Operation: 62+71=133, Resulting Numbers: [133] 133,48 unequal: No Solution Exploring Operation: 62*71=4402, Resulting Numbers: [4402] 4402,48 unequal: No Solution Exploring Operation: 71-62=9, Resulting Numbers: [9] 9,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 48:[88, 45], Operations: ['98-10=88', '62-17=45'] Exploring Operation: 88*45=3960, Resulting Numbers: [3960] 3960,48 unequal: No Solution Exploring Operation: 88-45=43, Resulting Numbers: [43] 43,48 unequal: No Solution Exploring Operation: 88+45=133, Resulting Numbers: [133] 133,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 48:[88, 79], Operations: ['98-10=88', '62+17=79'] Exploring Operation: 88+79=167, Resulting Numbers: [167] 167,48 unequal: No Solution Exploring Operation: 88-79=9, Resulting Numbers: [9] 9,48 unequal: No Solution Exploring Operation: 88*79=6952, Resulting Numbers: [6952] 6952,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 48:[62, 105], Operations: ['98-10=88', '17+88=105'] Exploring Operation: 105-62=43, Resulting Numbers: [43] 43,48 unequal: No Solution Exploring Operation: 62*105=6510, Resulting Numbers: [6510] 6510,48 unequal: No Solution Exploring Operation: 62+105=167, Resulting Numbers: [167] 167,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,4 Current State: 48:[17, 98, 52], Operations: ['62-10=52'] Exploring Operation: 17+98=115, Resulting Numbers: [52, 115] Generated Node #0,4,0: 48:[52, 115] Operation: 17+98=115 Exploring Operation: 52-17=35, Resulting Numbers: [98, 35] Generated Node #0,4,1: 48:[98, 35] Operation: 52-17=35 Exploring Operation: 98-17=81, Resulting Numbers: [52, 81] Generated Node #0,4,2: 48:[52, 81] Operation: 98-17=81 Exploring Operation: 98-52=46, Resulting Numbers: [17, 46] Generated Node #0,4,3: 48:[17, 46] Operation: 98-52=46 Exploring Operation: 17+52=69, Resulting Numbers: [98, 69] Generated Node #0,4,4: 48:[98, 69] Operation: 17+52=69 Moving to Node #0,3,3 Current State: 48:[17, 26], Operations: ['98-62=36', '36-10=26'] Exploring Operation: 26-17=9, Resulting Numbers: [9] 9,48 unequal: No Solution Exploring Operation: 17+26=43, Resulting Numbers: [43] 43,48 unequal: No Solution Exploring Operation: 17*26=442, Resulting Numbers: [442] 442,48 unequal: No Solution Moving to Node #0,4,3 Current State: 48:[17, 46], Operations: ['62-10=52', '98-52=46'] Exploring Operation: 46-17=29, Resulting Numbers: [29] 29,48 unequal: No Solution Exploring Operation: 17+46=63, Resulting Numbers: [63] 63,48 unequal: No Solution Exploring Operation: 17*46=782, Resulting Numbers: [782] 782,48 unequal: No Solution Moving to Node #0,3,4 Current State: 48:[17, 46], Operations: ['98-62=36', '10+36=46'] Exploring Operation: 17+46=63, Resulting Numbers: [63] 63,48 unequal: No Solution Exploring Operation: 17*46=782, Resulting Numbers: [782] 782,48 unequal: No Solution Exploring Operation: 46-17=29, Resulting Numbers: [29] 29,48 unequal: No Solution Moving to Node #0,3,0 Current State: 48:[10, 19], Operations: ['98-62=36', '36-17=19'] Exploring Operation: 10*19=190, Resulting Numbers: [190] 190,48 unequal: No Solution Exploring Operation: 19-10=9, Resulting Numbers: [9] 9,48 unequal: No Solution Exploring Operation: 10+19=29, Resulting Numbers: [29] 29,48 unequal: No Solution Moving to Node #0,3,1 Current State: 48:[10, 53], Operations: ['98-62=36', '17+36=53'] Exploring Operation: 10*53=530, Resulting Numbers: [530] 530,48 unequal: No Solution Exploring Operation: 10+53=63, Resulting Numbers: [63] 63,48 unequal: No Solution Exploring Operation: 53-10=43, Resulting Numbers: [43] 43,48 unequal: No Solution Moving to Node #0,3,2 Current State: 48:[36, 7], Operations: ['98-62=36', '17-10=7'] Exploring Operation: 36*7=252, Resulting Numbers: [252] 252,48 unequal: No Solution Exploring Operation: 36+7=43, Resulting Numbers: [43] 43,48 unequal: No Solution Exploring Operation: 36-7=29, Resulting Numbers: [29] 29,48 unequal: No Solution Moving to Node #0,4,2 Current State: 48:[52, 81], Operations: ['62-10=52', '98-17=81'] Exploring Operation: 81-52=29, Resulting Numbers: [29] 29,48 unequal: No Solution Exploring Operation: 52+81=133, Resulting Numbers: [133] 133,48 unequal: No Solution Exploring Operation: 52*81=4212, Resulting Numbers: [4212] 4212,48 unequal: No Solution Moving to Node #0,4,1 Current State: 48:[98, 35], Operations: ['62-10=52', '52-17=35'] Exploring Operation: 98*35=3430, Resulting Numbers: [3430] 3430,48 unequal: No Solution Exploring Operation: 98+35=133, Resulting Numbers: [133] 133,48 unequal: No Solution Exploring Operation: 98-35=63, Resulting Numbers: [63] 63,48 unequal: No Solution Moving to Node #0,4,4 Current State: 48:[98, 69], Operations: ['62-10=52', '17+52=69'] Exploring Operation: 98-69=29, Resulting Numbers: [29] 29,48 unequal: No Solution Exploring Operation: 98*69=6762, Resulting Numbers: [6762] 6762,48 unequal: No Solution Exploring Operation: 98+69=167, Resulting Numbers: [167] 167,48 unequal: No Solution Moving to Node #0,4,0 Current State: 48:[52, 115], Operations: ['62-10=52', '17+98=115'] Exploring Operation: 52+115=167, Resulting Numbers: [167] 167,48 unequal: No Solution Exploring Operation: 115-52=63, Resulting Numbers: [63] 63,48 unequal: No Solution Exploring Operation: 52*115=5980, Resulting Numbers: [5980] 5980,48 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 13, 19, 68, 4 ]
49
[ "13+19=32", "68/4=17", "32+17=49" ]
Current State: 49:[13, 19, 68, 4], Operations: [] Exploring Operation: 13+19=32, Resulting Numbers: [68, 4, 32] Generated Node #2: [68, 4, 32] from Operation: 13+19=32 Current State: 49:[68, 4, 32], Operations: ['13+19=32'] Exploring Operation: 68/4=17, Resulting Numbers: [32, 17] Generated Node #3: [32, 17] from Operation: 68/4=17 Current State: 49:[32, 17], Operations: ['13+19=32', '68/4=17'] Exploring Operation: 32+17=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
4
Current State: 49:[13, 19, 68, 4], Operations: [] Exploring Operation: 19-13=6, Resulting Numbers: [68, 4, 6] Generated Node #0,0: 49:[68, 4, 6] Operation: 19-13=6 Exploring Operation: 68-13=55, Resulting Numbers: [19, 4, 55] Generated Node #0,1: 49:[19, 4, 55] Operation: 68-13=55 Exploring Operation: 68-19=49, Resulting Numbers: [13, 4, 49] Generated Node #0,2: 49:[13, 4, 49] Operation: 68-19=49 Moving to Node #0,2 Current State: 49:[13, 4, 49], Operations: ['68-19=49'] Exploring Operation: 13*4=52, Resulting Numbers: [49, 52] Generated Node #0,2,0: 49:[49, 52] Operation: 13*4=52 Exploring Operation: 13-4=9, Resulting Numbers: [49, 9] Generated Node #0,2,1: 49:[49, 9] Operation: 13-4=9 Exploring Operation: 13+4=17, Resulting Numbers: [49, 17] Generated Node #0,2,2: 49:[49, 17] Operation: 13+4=17 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 49:[49, 9], Operations: ['68-19=49', '13-4=9'] Exploring Operation: 49*9=441, Resulting Numbers: [441] 441,49 unequal: No Solution Exploring Operation: 49-9=40, Resulting Numbers: [40] 40,49 unequal: No Solution Exploring Operation: 49+9=58, Resulting Numbers: [58] 58,49 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:[49, 52], Operations: ['68-19=49', '13*4=52'] Exploring Operation: 49+52=101, Resulting Numbers: [101] 101,49 unequal: No Solution Exploring Operation: 49*52=2548, Resulting Numbers: [2548] 2548,49 unequal: No Solution Exploring Operation: 52-49=3, Resulting Numbers: [3] 3,49 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:[49, 17], Operations: ['68-19=49', '13+4=17'] Exploring Operation: 49-17=32, Resulting Numbers: [32] 32,49 unequal: No Solution Exploring Operation: 49*17=833, Resulting Numbers: [833] 833,49 unequal: No Solution Exploring Operation: 49+17=66, Resulting Numbers: [66] 66,49 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:[19, 4, 55], Operations: ['68-13=55'] Exploring Operation: 55-19=36, Resulting Numbers: [4, 36] Generated Node #0,1,0: 49:[4, 36] Operation: 55-19=36 Exploring Operation: 19-4=15, Resulting Numbers: [55, 15] Generated Node #0,1,1: 49:[55, 15] Operation: 19-4=15 Exploring Operation: 55-4=51, Resulting Numbers: [19, 51] Generated Node #0,1,2: 49:[19, 51] Operation: 55-4=51 Moving to Node #0,0 Current State: 49:[68, 4, 6], Operations: ['19-13=6'] Exploring Operation: 68/4=17, Resulting Numbers: [6, 17] Generated Node #0,0,0: 49:[6, 17] Operation: 68/4=17 Exploring Operation: 68-6=62, Resulting Numbers: [4, 62] Generated Node #0,0,1: 49:[4, 62] Operation: 68-6=62 Exploring Operation: 68-4=64, Resulting Numbers: [6, 64] Generated Node #0,0,2: 49:[6, 64] Operation: 68-4=64 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 49:[6, 17], Operations: ['19-13=6', '68/4=17'] Exploring Operation: 6*17=102, Resulting Numbers: [102] 102,49 unequal: No Solution Exploring Operation: 6+17=23, Resulting Numbers: [23] 23,49 unequal: No Solution Exploring Operation: 17-6=11, Resulting Numbers: [11] 11,49 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:[4, 62], Operations: ['19-13=6', '68-6=62'] Exploring Operation: 4+62=66, Resulting Numbers: [66] 66,49 unequal: No Solution Exploring Operation: 62-4=58, Resulting Numbers: [58] 58,49 unequal: No Solution Exploring Operation: 4*62=248, Resulting Numbers: [248] 248,49 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:[6, 64], Operations: ['19-13=6', '68-4=64'] Exploring Operation: 6*64=384, Resulting Numbers: [384] 384,49 unequal: No Solution Exploring Operation: 6+64=70, Resulting Numbers: [70] 70,49 unequal: No Solution Exploring Operation: 64-6=58, Resulting Numbers: [58] 58,49 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: 49:[55, 15], Operations: ['68-13=55', '19-4=15'] Exploring Operation: 55+15=70, Resulting Numbers: [70] 70,49 unequal: No Solution Exploring Operation: 55-15=40, Resulting Numbers: [40] 40,49 unequal: No Solution Exploring Operation: 55*15=825, Resulting Numbers: [825] 825,49 unequal: No Solution Moving to Node #0,1,2 Current State: 49:[19, 51], Operations: ['68-13=55', '55-4=51'] Exploring Operation: 19*51=969, Resulting Numbers: [969] 969,49 unequal: No Solution Exploring Operation: 19+51=70, Resulting Numbers: [70] 70,49 unequal: No Solution Exploring Operation: 51-19=32, Resulting Numbers: [32] 32,49 unequal: No Solution Moving to Node #0,1,0 Current State: 49:[4, 36], Operations: ['68-13=55', '55-19=36'] Exploring Operation: 36/4=9, Resulting Numbers: [9] 9,49 unequal: No Solution Exploring Operation: 36-4=32, Resulting Numbers: [32] 32,49 unequal: No Solution Exploring Operation: 4+36=40, Resulting Numbers: [40] 40,49 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 56, 40, 62, 68 ]
60
[ "68-40=28", "56/28=2", "62-2=60" ]
Current State: 60:[56, 40, 62, 68], Operations: [] Exploring Operation: 68-40=28, Resulting Numbers: [56, 62, 28] Generated Node #2: [56, 62, 28] from Operation: 68-40=28 Current State: 60:[56, 62, 28], Operations: ['68-40=28'] Exploring Operation: 56/28=2, Resulting Numbers: [62, 2] Generated Node #3: [62, 2] from Operation: 56/28=2 Current State: 60:[62, 2], Operations: ['68-40=28', '56/28=2'] Exploring Operation: 62-2=60, Resulting Numbers: [60] 60,60 equal: Goal Reached
4
Current State: 60:[56, 40, 62, 68], Operations: [] Exploring Operation: 68-56=12, Resulting Numbers: [40, 62, 12] Generated Node #0,0: 60:[40, 62, 12] Operation: 68-56=12 Exploring Operation: 68-40=28, Resulting Numbers: [56, 62, 28] Generated Node #0,1: 60:[56, 62, 28] Operation: 68-40=28 Exploring Operation: 68-62=6, Resulting Numbers: [56, 40, 6] Generated Node #0,2: 60:[56, 40, 6] Operation: 68-62=6 Exploring Operation: 62-40=22, Resulting Numbers: [56, 68, 22] Generated Node #0,3: 60:[56, 68, 22] Operation: 62-40=22 Exploring Operation: 56-40=16, Resulting Numbers: [62, 68, 16] Generated Node #0,4: 60:[62, 68, 16] Operation: 56-40=16 Start Sub Search at level 1: Moving to Node #0,1 Current State: 60:[56, 62, 28], Operations: ['68-40=28'] Exploring Operation: 56-28=28, Resulting Numbers: [62, 28] Generated Node #0,1,0: 60:[62, 28] Operation: 56-28=28 Exploring Operation: 56+28=84, Resulting Numbers: [62, 84] Generated Node #0,1,1: 60:[62, 84] Operation: 56+28=84 Exploring Operation: 56/28=2, Resulting Numbers: [62, 2] Generated Node #0,1,2: 60:[62, 2] Operation: 56/28=2 Exploring Operation: 62-56=6, Resulting Numbers: [28, 6] Generated Node #0,1,3: 60:[28, 6] Operation: 62-56=6 Exploring Operation: 62-28=34, Resulting Numbers: [56, 34] Generated Node #0,1,4: 60:[56, 34] Operation: 62-28=34 Moving to Node #0,1,2 Current State: 60:[62, 2], Operations: ['68-40=28', '56/28=2'] Exploring Operation: 62-2=60, Resulting Numbers: [60] 60,60 equal: Goal Reached Moving to Node #0 Current State: 60:[56, 40, 62, 68], Operations: [] Exploring Operation: 68-40=28, Resulting Numbers: [56, 62, 28] Generated Node #0,1: 60:[56, 62, 28] Operation: 68-40=28 Moving to Node #0,1 Current State: 60:[56, 62, 28], Operations: ['68-40=28'] Exploring Operation: 56/28=2, Resulting Numbers: [62, 2] Generated Node #0,1,2: 60:[62, 2] Operation: 56/28=2 Moving to Node #0,1,2 Current State: 60:[62, 2], Operations: ['68-40=28', '56/28=2'] Exploring Operation: 62-2=60, Resulting Numbers: [60] 60,60 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_5
sum_heuristic
[ 89, 83, 33, 55 ]
83
[ "89-33=56", "56-55=1", "83*1=83" ]
Current State: 83:[89, 83, 33, 55], Operations: [] Exploring Operation: 89-33=56, Resulting Numbers: [83, 55, 56] Generated Node #2: [83, 55, 56] from Operation: 89-33=56 Current State: 83:[83, 55, 56], Operations: ['89-33=56'] Exploring Operation: 56-55=1, Resulting Numbers: [83, 1] Generated Node #3: [83, 1] from Operation: 56-55=1 Current State: 83:[83, 1], Operations: ['89-33=56', '56-55=1'] Exploring Operation: 83*1=83, Resulting Numbers: [83] 83,83 equal: Goal Reached
4
Current State: 83:[89, 83, 33, 55], Operations: [] Exploring Operation: 89+33=122, Resulting Numbers: [83, 55, 122] Generated Node #0,0: 83:[83, 55, 122] Operation: 89+33=122 Exploring Operation: 83+33=116, Resulting Numbers: [89, 55, 116] Generated Node #0,1: 83:[89, 55, 116] Operation: 83+33=116 Exploring Operation: 33+55=88, Resulting Numbers: [89, 83, 88] Generated Node #0,2: 83:[89, 83, 88] Operation: 33+55=88 Exploring Operation: 89-33=56, Resulting Numbers: [83, 55, 56] Generated Node #0,3: 83:[83, 55, 56] Operation: 89-33=56 Start Sub Search at level 1: Moving to Node #0,2 Current State: 83:[89, 83, 88], Operations: ['33+55=88'] Exploring Operation: 88-83=5, Resulting Numbers: [89, 5] Generated Node #0,2,0: 83:[89, 5] Operation: 88-83=5 Exploring Operation: 89-83=6, Resulting Numbers: [88, 6] Generated Node #0,2,1: 83:[88, 6] Operation: 89-83=6 Exploring Operation: 89-88=1, Resulting Numbers: [83, 1] Generated Node #0,2,2: 83:[83, 1] Operation: 89-88=1 Exploring Operation: 89+83=172, Resulting Numbers: [88, 172] Generated Node #0,2,3: 83:[88, 172] Operation: 89+83=172 Moving to Node #0,2,1 Current State: 83:[88, 6], Operations: ['33+55=88', '89-83=6'] Exploring Operation: 88+6=94, Resulting Numbers: [94] 94,83 unequal: No Solution Exploring Operation: 88-6=82, Resulting Numbers: [82] 82,83 unequal: No Solution Exploring Operation: 88*6=528, Resulting Numbers: [528] 528,83 unequal: No Solution Moving to Node #0,2,2 Current State: 83:[83, 1], Operations: ['33+55=88', '89-88=1'] Exploring Operation: 83/1=83, Resulting Numbers: [83] 83,83 equal: Goal Reached Moving to Node #0 Current State: 83:[89, 83, 33, 55], Operations: [] Exploring Operation: 33+55=88, Resulting Numbers: [89, 83, 88] Generated Node #0,2: 83:[89, 83, 88] Operation: 33+55=88 Moving to Node #0,2 Current State: 83:[89, 83, 88], Operations: ['33+55=88'] Exploring Operation: 89-88=1, Resulting Numbers: [83, 1] Generated Node #0,2,2: 83:[83, 1] Operation: 89-88=1 Moving to Node #0,2,2 Current State: 83:[83, 1], Operations: ['33+55=88', '89-88=1'] Exploring Operation: 83/1=83, Resulting Numbers: [83] 83,83 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_4
sum_heuristic
[ 18, 21, 60, 3 ]
21
[ "21-18=3", "60+3=63", "63/3=21" ]
Current State: 21:[18, 21, 60, 3], Operations: [] Exploring Operation: 21-18=3, Resulting Numbers: [60, 3, 3] Generated Node #2: [60, 3, 3] from Operation: 21-18=3 Current State: 21:[60, 3, 3], Operations: ['21-18=3'] Exploring Operation: 60+3=63, Resulting Numbers: [63] 63,21 equal: Goal Reached Exploring Operation: 63/3=21, Resulting Numbers: [21] 21,21 equal: Goal Reached
4
Current State: 21:[18, 21, 60, 3], Operations: [] Exploring Operation: 60-18=42, Resulting Numbers: [21, 3, 42] Generated Node #0,0: 21:[21, 3, 42] Operation: 60-18=42 Exploring Operation: 60/3=20, Resulting Numbers: [18, 21, 20] Generated Node #0,1: 21:[18, 21, 20] Operation: 60/3=20 Moving to Node #0,1 Current State: 21:[18, 21, 20], Operations: ['60/3=20'] Exploring Operation: 21-18=3, Resulting Numbers: [20, 3] Generated Node #0,1,0: 21:[20, 3] Operation: 21-18=3 Exploring Operation: 20-18=2, Resulting Numbers: [21, 2] Generated Node #0,1,1: 21:[21, 2] Operation: 20-18=2 Moving to Node #0,0 Current State: 21:[21, 3, 42], Operations: ['60-18=42'] Exploring Operation: 42/21=2, Resulting Numbers: [3, 2] Generated Node #0,0,0: 21:[3, 2] Operation: 42/21=2 Exploring Operation: 42-21=21, Resulting Numbers: [3, 21] Generated Node #0,0,1: 21:[3, 21] Operation: 42-21=21 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 21:[3, 21], Operations: ['60-18=42', '42-21=21'] Exploring Operation: 3+21=24, Resulting Numbers: [24] 24,21 unequal: No Solution Exploring Operation: 21/3=7, Resulting Numbers: [7] 7,21 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 #0,0,0 Current State: 21:[3, 2], Operations: ['60-18=42', '42/21=2'] Exploring Operation: 3*2=6, Resulting Numbers: [6] 6,21 unequal: No Solution Exploring Operation: 3+2=5, Resulting Numbers: [5] 5,21 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: 21:[20, 3], Operations: ['60/3=20', '21-18=3'] Exploring Operation: 20+3=23, Resulting Numbers: [23] 23,21 unequal: No Solution Exploring Operation: 20-3=17, Resulting Numbers: [17] 17,21 unequal: No Solution Moving to Node #0,1,1 Current State: 21:[21, 2], Operations: ['60/3=20', '20-18=2'] Exploring Operation: 21+2=23, Resulting Numbers: [23] 23,21 unequal: No Solution Exploring Operation: 21-2=19, Resulting Numbers: [19] 19,21 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 78, 12, 9, 2 ]
54
[ "78+12=90", "90/2=45", "9+45=54" ]
Current State: 54:[78, 12, 9, 2], Operations: [] Exploring Operation: 78+12=90, Resulting Numbers: [9, 2, 90] Generated Node #2: [9, 2, 90] from Operation: 78+12=90 Current State: 54:[9, 2, 90], Operations: ['78+12=90'] Exploring Operation: 90/2=45, Resulting Numbers: [9, 45] Generated Node #3: [9, 45] from Operation: 90/2=45 Current State: 54:[9, 45], Operations: ['78+12=90', '90/2=45'] Exploring Operation: 9+45=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
4
Current State: 54:[78, 12, 9, 2], Operations: [] Exploring Operation: 78-12=66, Resulting Numbers: [9, 2, 66] Generated Node #0,0: 54:[9, 2, 66] Operation: 78-12=66 Exploring Operation: 78-9=69, Resulting Numbers: [12, 2, 69] Generated Node #0,1: 54:[12, 2, 69] Operation: 78-9=69 Exploring Operation: 78/2=39, Resulting Numbers: [12, 9, 39] Generated Node #0,2: 54:[12, 9, 39] Operation: 78/2=39 Start Sub Search at level 1: Moving to Node #0,0 Current State: 54:[9, 2, 66], Operations: ['78-12=66'] Exploring Operation: 66-9=57, Resulting Numbers: [2, 57] Generated Node #0,0,0: 54:[2, 57] Operation: 66-9=57 Exploring Operation: 66/2=33, Resulting Numbers: [9, 33] Generated Node #0,0,1: 54:[9, 33] Operation: 66/2=33 Exploring Operation: 66-2=64, Resulting Numbers: [9, 64] Generated Node #0,0,2: 54:[9, 64] Operation: 66-2=64 Moving to Node #0,0,0 Current State: 54:[2, 57], Operations: ['78-12=66', '66-9=57'] Exploring Operation: 2+57=59, Resulting Numbers: [59] 59,54 unequal: No Solution Exploring Operation: 57-2=55, Resulting Numbers: [55] 55,54 unequal: No Solution Exploring Operation: 2*57=114, Resulting Numbers: [114] 114,54 unequal: No Solution Moving to Node #0,0,1 Current State: 54:[9, 33], Operations: ['78-12=66', '66/2=33'] Exploring Operation: 9*33=297, Resulting Numbers: [297] 297,54 unequal: No Solution Exploring Operation: 9+33=42, Resulting Numbers: [42] 42,54 unequal: No Solution Exploring Operation: 33-9=24, Resulting Numbers: [24] 24,54 unequal: No Solution Moving to Node #0,0,2 Current State: 54:[9, 64], Operations: ['78-12=66', '66-2=64'] Exploring Operation: 9*64=576, Resulting Numbers: [576] 576,54 unequal: No Solution Exploring Operation: 9+64=73, Resulting Numbers: [73] 73,54 unequal: No Solution Exploring Operation: 64-9=55, Resulting Numbers: [55] 55,54 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 54:[12, 9, 39], Operations: ['78/2=39'] Exploring Operation: 12+39=51, Resulting Numbers: [9, 51] Generated Node #0,2,0: 54:[9, 51] Operation: 12+39=51 Exploring Operation: 39-9=30, Resulting Numbers: [12, 30] Generated Node #0,2,1: 54:[12, 30] Operation: 39-9=30 Exploring Operation: 39-12=27, Resulting Numbers: [9, 27] Generated Node #0,2,2: 54:[9, 27] Operation: 39-12=27 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 54:[9, 27], Operations: ['78/2=39', '39-12=27'] Exploring Operation: 27/9=3, Resulting Numbers: [3] 3,54 unequal: No Solution Exploring Operation: 9+27=36, Resulting Numbers: [36] 36,54 unequal: No Solution Exploring Operation: 27-9=18, Resulting Numbers: [18] 18,54 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 54:[9, 51], Operations: ['78/2=39', '12+39=51'] Exploring Operation: 9*51=459, Resulting Numbers: [459] 459,54 unequal: No Solution Exploring Operation: 51-9=42, Resulting Numbers: [42] 42,54 unequal: No Solution Exploring Operation: 9+51=60, Resulting Numbers: [60] 60,54 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 54:[12, 30], Operations: ['78/2=39', '39-9=30'] Exploring Operation: 12+30=42, Resulting Numbers: [42] 42,54 unequal: No Solution Exploring Operation: 12*30=360, Resulting Numbers: [360] 360,54 unequal: No Solution Exploring Operation: 30-12=18, Resulting Numbers: [18] 18,54 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 54:[12, 2, 69], Operations: ['78-9=69'] Exploring Operation: 69-12=57, Resulting Numbers: [2, 57] Generated Node #0,1,0: 54:[2, 57] Operation: 69-12=57 Exploring Operation: 12/2=6, Resulting Numbers: [69, 6] Generated Node #0,1,1: 54:[69, 6] Operation: 12/2=6 Exploring Operation: 12-2=10, Resulting Numbers: [69, 10] Generated Node #0,1,2: 54:[69, 10] Operation: 12-2=10 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 54:[2, 57], Operations: ['78-9=69', '69-12=57'] Exploring Operation: 2*57=114, Resulting Numbers: [114] 114,54 unequal: No Solution Exploring Operation: 2+57=59, Resulting Numbers: [59] 59,54 unequal: No Solution Exploring Operation: 57-2=55, Resulting Numbers: [55] 55,54 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 54:[69, 6], Operations: ['78-9=69', '12/2=6'] Exploring Operation: 69*6=414, Resulting Numbers: [414] 414,54 unequal: No Solution Exploring Operation: 69+6=75, Resulting Numbers: [75] 75,54 unequal: No Solution Exploring Operation: 69-6=63, Resulting Numbers: [63] 63,54 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 54:[69, 10], Operations: ['78-9=69', '12-2=10'] Exploring Operation: 69+10=79, Resulting Numbers: [79] 79,54 unequal: No Solution Exploring Operation: 69-10=59, Resulting Numbers: [59] 59,54 unequal: No Solution Exploring Operation: 69*10=690, Resulting Numbers: [690] 690,54 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 31, 85, 62, 71 ]
78
[ "62/31=2", "85+71=156", "156/2=78" ]
Current State: 78:[31, 85, 62, 71], Operations: [] Exploring Operation: 62/31=2, Resulting Numbers: [85, 71, 2] Generated Node #2: [85, 71, 2] from Operation: 62/31=2 Current State: 78:[85, 71, 2], Operations: ['62/31=2'] Exploring Operation: 85+71=156, Resulting Numbers: [2, 156] Generated Node #3: [2, 156] from Operation: 85+71=156 Current State: 78:[2, 156], Operations: ['62/31=2', '85+71=156'] Exploring Operation: 156/2=78, Resulting Numbers: [78] 78,78 equal: Goal Reached
4
Current State: 78:[31, 85, 62, 71], Operations: [] Exploring Operation: 62/31=2, Resulting Numbers: [85, 71, 2] Generated Node #0,0: 78:[85, 71, 2] Operation: 62/31=2 Exploring Operation: 85-62=23, Resulting Numbers: [31, 71, 23] Generated Node #0,1: 78:[31, 71, 23] Operation: 85-62=23 Moving to Node #0,0 Current State: 78:[85, 71, 2], Operations: ['62/31=2'] Exploring Operation: 85-2=83, Resulting Numbers: [71, 83] Generated Node #0,0,0: 78:[71, 83] Operation: 85-2=83 Exploring Operation: 85-71=14, Resulting Numbers: [2, 14] Generated Node #0,0,1: 78:[2, 14] Operation: 85-71=14 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 78:[2, 14], Operations: ['62/31=2', '85-71=14'] Exploring Operation: 14-2=12, Resulting Numbers: [12] 12,78 unequal: No Solution Exploring Operation: 14/2=7, Resulting Numbers: [7] 7,78 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 78:[71, 83], Operations: ['62/31=2', '85-2=83'] Exploring Operation: 83-71=12, Resulting Numbers: [12] 12,78 unequal: No Solution Exploring Operation: 71+83=154, Resulting Numbers: [154] 154,78 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 78:[31, 71, 23], Operations: ['85-62=23'] Exploring Operation: 31-23=8, Resulting Numbers: [71, 8] Generated Node #0,1,0: 78:[71, 8] Operation: 31-23=8 Exploring Operation: 71-31=40, Resulting Numbers: [23, 40] Generated Node #0,1,1: 78:[23, 40] Operation: 71-31=40 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 78:[23, 40], Operations: ['85-62=23', '71-31=40'] Exploring Operation: 40-23=17, Resulting Numbers: [17] 17,78 unequal: No Solution Exploring Operation: 23+40=63, Resulting Numbers: [63] 63,78 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 78:[71, 8], Operations: ['85-62=23', '31-23=8'] Exploring Operation: 71+8=79, Resulting Numbers: [79] 79,78 unequal: No Solution Exploring Operation: 71-8=63, Resulting Numbers: [63] 63,78 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
[ 31, 78, 90, 1 ]
42
[ "78-31=47", "90-1=89", "89-47=42" ]
Current State: 42:[31, 78, 90, 1], Operations: [] Exploring Operation: 78-31=47, Resulting Numbers: [90, 1, 47] Generated Node #2: [90, 1, 47] from Operation: 78-31=47 Current State: 42:[90, 1, 47], Operations: ['78-31=47'] Exploring Operation: 90-1=89, Resulting Numbers: [47, 89] Generated Node #3: [47, 89] from Operation: 90-1=89 Current State: 42:[47, 89], Operations: ['78-31=47', '90-1=89'] Exploring Operation: 89-47=42, Resulting Numbers: [42] 42,42 equal: Goal Reached
4
Current State: 42:[31, 78, 90, 1], Operations: [] Exploring Operation: 90-78=12, Resulting Numbers: [31, 1, 12] Generated Node #0,0: 42:[31, 1, 12] Operation: 90-78=12 Exploring Operation: 31-1=30, Resulting Numbers: [78, 90, 30] Generated Node #0,1: 42:[78, 90, 30] Operation: 31-1=30 Exploring Operation: 78-31=47, Resulting Numbers: [90, 1, 47] Generated Node #0,2: 42:[90, 1, 47] Operation: 78-31=47 Exploring Operation: 90-31=59, Resulting Numbers: [78, 1, 59] Generated Node #0,3: 42:[78, 1, 59] Operation: 90-31=59 Exploring Operation: 78-1=77, Resulting Numbers: [31, 90, 77] Generated Node #0,4: 42:[31, 90, 77] Operation: 78-1=77 Moving to Node #0,0 Current State: 42:[31, 1, 12], Operations: ['90-78=12'] Exploring Operation: 31-1=30, Resulting Numbers: [12, 30] Generated Node #0,0,0: 42:[12, 30] Operation: 31-1=30 Exploring Operation: 31+12=43, Resulting Numbers: [1, 43] Generated Node #0,0,1: 42:[1, 43] Operation: 31+12=43 Exploring Operation: 31+1=32, Resulting Numbers: [12, 32] Generated Node #0,0,2: 42:[12, 32] Operation: 31+1=32 Exploring Operation: 31-12=19, Resulting Numbers: [1, 19] Generated Node #0,0,3: 42:[1, 19] Operation: 31-12=19 Exploring Operation: 1+12=13, Resulting Numbers: [31, 13] Generated Node #0,0,4: 42:[31, 13] Operation: 1+12=13 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 42:[1, 43], Operations: ['90-78=12', '31+12=43'] Exploring Operation: 43/1=43, Resulting Numbers: [43] 43,42 unequal: No Solution Exploring Operation: 43-1=42, Resulting Numbers: [42] 42,42 equal: Goal Reached Moving to Node #0 Current State: 42:[31, 78, 90, 1], Operations: [] Exploring Operation: 90-78=12, Resulting Numbers: [31, 1, 12] Generated Node #0,0: 42:[31, 1, 12] Operation: 90-78=12 Moving to Node #0,0 Current State: 42:[31, 1, 12], Operations: ['90-78=12'] Exploring Operation: 31+12=43, Resulting Numbers: [1, 43] Generated Node #0,0,1: 42:[1, 43] Operation: 31+12=43 Moving to Node #0,0,1 Current State: 42:[1, 43], Operations: ['90-78=12', '31+12=43'] Exploring Operation: 43-1=42, Resulting Numbers: [42] 42,42 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_5
sum_heuristic
[ 76, 9, 38, 10 ]
24
[ "76+38=114", "9*10=90", "114-90=24" ]
Current State: 24:[76, 9, 38, 10], Operations: [] Exploring Operation: 76+38=114, Resulting Numbers: [9, 10, 114] Generated Node #2: [9, 10, 114] from Operation: 76+38=114 Current State: 24:[9, 10, 114], Operations: ['76+38=114'] Exploring Operation: 9*10=90, Resulting Numbers: [114, 90] Generated Node #3: [114, 90] from Operation: 9*10=90 Current State: 24:[114, 90], Operations: ['76+38=114', '9*10=90'] Exploring Operation: 114-90=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
4
Current State: 24:[76, 9, 38, 10], Operations: [] Exploring Operation: 76-10=66, Resulting Numbers: [9, 38, 66] Generated Node #0,0: 24:[9, 38, 66] Operation: 76-10=66 Exploring Operation: 76-9=67, Resulting Numbers: [38, 10, 67] Generated Node #0,1: 24:[38, 10, 67] Operation: 76-9=67 Exploring Operation: 38-10=28, Resulting Numbers: [76, 9, 28] Generated Node #0,2: 24:[76, 9, 28] Operation: 38-10=28 Exploring Operation: 76-38=38, Resulting Numbers: [9, 10, 38] Generated Node #0,3: 24:[9, 10, 38] Operation: 76-38=38 Exploring Operation: 76/38=2, Resulting Numbers: [9, 10, 2] Generated Node #0,4: 24:[9, 10, 2] Operation: 76/38=2 Moving to Node #0,4 Current State: 24:[9, 10, 2], Operations: ['76/38=2'] Exploring Operation: 10-9=1, Resulting Numbers: [2, 1] Generated Node #0,4,0: 24:[2, 1] Operation: 10-9=1 Exploring Operation: 10/2=5, Resulting Numbers: [9, 5] Generated Node #0,4,1: 24:[9, 5] Operation: 10/2=5 Exploring Operation: 10-2=8, Resulting Numbers: [9, 8] Generated Node #0,4,2: 24:[9, 8] Operation: 10-2=8 Exploring Operation: 10+2=12, Resulting Numbers: [9, 12] Generated Node #0,4,3: 24:[9, 12] Operation: 10+2=12 Exploring Operation: 9+2=11, Resulting Numbers: [10, 11] Generated Node #0,4,4: 24:[10, 11] Operation: 9+2=11 Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 24:[2, 1], Operations: ['76/38=2', '10-9=1'] Exploring Operation: 2*1=2, Resulting Numbers: [2] 2,24 unequal: No Solution Exploring Operation: 2/1=2, Resulting Numbers: [2] 2,24 unequal: No Solution Exploring Operation: 2+1=3, Resulting Numbers: [3] 3,24 unequal: No Solution Exploring Operation: 2-1=1, Resulting Numbers: [1] 1,24 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 #0,4,2 Current State: 24:[9, 8], Operations: ['76/38=2', '10-2=8'] Exploring Operation: 9-8=1, Resulting Numbers: [1] 1,24 unequal: No Solution Exploring Operation: 9*8=72, Resulting Numbers: [72] 72,24 unequal: No Solution Exploring Operation: 9+8=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 #0,4,3 Current State: 24:[9, 12], Operations: ['76/38=2', '10+2=12'] Exploring Operation: 12-9=3, Resulting Numbers: [3] 3,24 unequal: No Solution Exploring Operation: 9+12=21, Resulting Numbers: [21] 21,24 unequal: No Solution Exploring Operation: 9*12=108, Resulting Numbers: [108] 108,24 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 #0,4,1 Current State: 24:[9, 5], Operations: ['76/38=2', '10/2=5'] Exploring Operation: 9*5=45, Resulting Numbers: [45] 45,24 unequal: No Solution Exploring Operation: 9+5=14, Resulting Numbers: [14] 14,24 unequal: No Solution Exploring Operation: 9-5=4, Resulting Numbers: [4] 4,24 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 24:[10, 11], Operations: ['76/38=2', '9+2=11'] Exploring Operation: 10+11=21, Resulting Numbers: [21] 21,24 unequal: No Solution Exploring Operation: 10*11=110, Resulting Numbers: [110] 110,24 unequal: No Solution Exploring Operation: 11-10=1, Resulting Numbers: [1] 1,24 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: 24:[9, 10, 38], Operations: ['76-38=38'] Exploring Operation: 38-10=28, Resulting Numbers: [9, 28] Generated Node #0,3,0: 24:[9, 28] Operation: 38-10=28 Exploring Operation: 9+10=19, Resulting Numbers: [38, 19] Generated Node #0,3,1: 24:[38, 19] Operation: 9+10=19 Exploring Operation: 10-9=1, Resulting Numbers: [38, 1] Generated Node #0,3,2: 24:[38, 1] Operation: 10-9=1 Exploring Operation: 9+38=47, Resulting Numbers: [10, 47] Generated Node #0,3,3: 24:[10, 47] Operation: 9+38=47 Exploring Operation: 38-9=29, Resulting Numbers: [10, 29] Generated Node #0,3,4: 24:[10, 29] Operation: 38-9=29 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 24:[9, 28], Operations: ['76-38=38', '38-10=28'] Exploring Operation: 9+28=37, Resulting Numbers: [37] 37,24 unequal: No Solution Exploring Operation: 28-9=19, Resulting Numbers: [19] 19,24 unequal: No Solution Exploring Operation: 9*28=252, Resulting Numbers: [252] 252,24 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 #0,3,4 Current State: 24:[10, 29], Operations: ['76-38=38', '38-9=29'] Exploring Operation: 10*29=290, Resulting Numbers: [290] 290,24 unequal: No Solution Exploring Operation: 29-10=19, Resulting Numbers: [19] 19,24 unequal: No Solution Exploring Operation: 10+29=39, Resulting Numbers: [39] 39,24 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 #0,3,2 Current State: 24:[38, 1], Operations: ['76-38=38', '10-9=1'] Exploring Operation: 38+1=39, Resulting Numbers: [39] 39,24 unequal: No Solution Exploring Operation: 38*1=38, Resulting Numbers: [38] 38,24 unequal: No Solution Exploring Operation: 38/1=38, Resulting Numbers: [38] 38,24 unequal: No Solution Exploring Operation: 38-1=37, Resulting Numbers: [37] 37,24 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 #0,3,1 Current State: 24:[38, 19], Operations: ['76-38=38', '9+10=19'] Exploring Operation: 38/19=2, Resulting Numbers: [2] 2,24 unequal: No Solution Exploring Operation: 38*19=722, Resulting Numbers: [722] 722,24 unequal: No Solution Exploring Operation: 38+19=57, Resulting Numbers: [57] 57,24 unequal: No Solution Exploring Operation: 38-19=19, Resulting Numbers: [19] 19,24 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 #0,3,3 Current State: 24:[10, 47], Operations: ['76-38=38', '9+38=47'] Exploring Operation: 10+47=57, Resulting Numbers: [57] 57,24 unequal: No Solution Exploring Operation: 47-10=37, Resulting Numbers: [37] 37,24 unequal: No Solution Exploring Operation: 10*47=470, Resulting Numbers: [470] 470,24 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 24:[9, 38, 66], Operations: ['76-10=66'] Exploring Operation: 66-38=28, Resulting Numbers: [9, 28] Generated Node #0,0,0: 24:[9, 28] Operation: 66-38=28 Exploring Operation: 9+66=75, Resulting Numbers: [38, 75] Generated Node #0,0,1: 24:[38, 75] Operation: 9+66=75 Exploring Operation: 66-9=57, Resulting Numbers: [38, 57] Generated Node #0,0,2: 24:[38, 57] Operation: 66-9=57 Exploring Operation: 9+38=47, Resulting Numbers: [66, 47] Generated Node #0,0,3: 24:[66, 47] Operation: 9+38=47 Exploring Operation: 38-9=29, Resulting Numbers: [66, 29] Generated Node #0,0,4: 24:[66, 29] Operation: 38-9=29 Moving to Node #0,2 Current State: 24:[76, 9, 28], Operations: ['38-10=28'] Exploring Operation: 28-9=19, Resulting Numbers: [76, 19] Generated Node #0,2,0: 24:[76, 19] Operation: 28-9=19 Exploring Operation: 9+28=37, Resulting Numbers: [76, 37] Generated Node #0,2,1: 24:[76, 37] Operation: 9+28=37 Exploring Operation: 76-28=48, Resulting Numbers: [9, 48] Generated Node #0,2,2: 24:[9, 48] Operation: 76-28=48 Exploring Operation: 76-9=67, Resulting Numbers: [28, 67] Generated Node #0,2,3: 24:[28, 67] Operation: 76-9=67 Exploring Operation: 76+9=85, Resulting Numbers: [28, 85] Generated Node #0,2,4: 24:[28, 85] Operation: 76+9=85 Moving to Node #0,1 Current State: 24:[38, 10, 67], Operations: ['76-9=67'] Exploring Operation: 38+10=48, Resulting Numbers: [67, 48] Generated Node #0,1,0: 24:[67, 48] Operation: 38+10=48 Exploring Operation: 67-10=57, Resulting Numbers: [38, 57] Generated Node #0,1,1: 24:[38, 57] Operation: 67-10=57 Exploring Operation: 67-38=29, Resulting Numbers: [10, 29] Generated Node #0,1,2: 24:[10, 29] Operation: 67-38=29 Exploring Operation: 10+67=77, Resulting Numbers: [38, 77] Generated Node #0,1,3: 24:[38, 77] Operation: 10+67=77 Exploring Operation: 38-10=28, Resulting Numbers: [67, 28] Generated Node #0,1,4: 24:[67, 28] Operation: 38-10=28 Moving to Node #0,0,0 Current State: 24:[9, 28], Operations: ['76-10=66', '66-38=28'] Exploring Operation: 28-9=19, Resulting Numbers: [19] 19,24 unequal: No Solution Exploring Operation: 9+28=37, Resulting Numbers: [37] 37,24 unequal: No Solution Exploring Operation: 9*28=252, Resulting Numbers: [252] 252,24 unequal: No Solution Moving to Node #0,1,2 Current State: 24:[10, 29], Operations: ['76-9=67', '67-38=29'] Exploring Operation: 10*29=290, Resulting Numbers: [290] 290,24 unequal: No Solution Exploring Operation: 29-10=19, Resulting Numbers: [19] 19,24 unequal: No Solution Exploring Operation: 10+29=39, Resulting Numbers: [39] 39,24 unequal: No Solution Moving to Node #0,2,2 Current State: 24:[9, 48], Operations: ['38-10=28', '76-28=48'] Exploring Operation: 9*48=432, Resulting Numbers: [432] 432,24 unequal: No Solution Exploring Operation: 9+48=57, Resulting Numbers: [57] 57,24 unequal: No Solution Exploring Operation: 48-9=39, Resulting Numbers: [39] 39,24 unequal: No Solution Moving to Node #0,2,3 Current State: 24:[28, 67], Operations: ['38-10=28', '76-9=67'] Exploring Operation: 28*67=1876, Resulting Numbers: [1876] 1876,24 unequal: No Solution Exploring Operation: 67-28=39, Resulting Numbers: [39] 39,24 unequal: No Solution Exploring Operation: 28+67=95, Resulting Numbers: [95] 95,24 unequal: No Solution Moving to Node #0,0,4 Current State: 24:[66, 29], Operations: ['76-10=66', '38-9=29'] Exploring Operation: 66+29=95, Resulting Numbers: [95] 95,24 unequal: No Solution Exploring Operation: 66-29=37, Resulting Numbers: [37] 37,24 unequal: No Solution Exploring Operation: 66*29=1914, Resulting Numbers: [1914] 1914,24 unequal: No Solution Moving to Node #0,1,1 Current State: 24:[38, 57], Operations: ['76-9=67', '67-10=57'] Exploring Operation: 38+57=95, Resulting Numbers: [95] 95,24 unequal: No Solution Exploring Operation: 38*57=2166, Resulting Numbers: [2166] 2166,24 unequal: No Solution Exploring Operation: 57-38=19, Resulting Numbers: [19] 19,24 unequal: No Solution Moving to Node #0,1,4 Current State: 24:[67, 28], Operations: ['76-9=67', '38-10=28'] Exploring Operation: 67*28=1876, Resulting Numbers: [1876] 1876,24 unequal: No Solution Exploring Operation: 67+28=95, Resulting Numbers: [95] 95,24 unequal: No Solution Exploring Operation: 67-28=39, Resulting Numbers: [39] 39,24 unequal: No Solution Moving to Node #0,0,2 Current State: 24:[38, 57], Operations: ['76-10=66', '66-9=57'] Exploring Operation: 57-38=19, Resulting Numbers: [19] 19,24 unequal: No Solution Exploring Operation: 38+57=95, Resulting Numbers: [95] 95,24 unequal: No Solution Exploring Operation: 38*57=2166, Resulting Numbers: [2166] 2166,24 unequal: No Solution Moving to Node #0,2,0 Current State: 24:[76, 19], Operations: ['38-10=28', '28-9=19'] Exploring Operation: 76-19=57, Resulting Numbers: [57] 57,24 unequal: No Solution Exploring Operation: 76*19=1444, Resulting Numbers: [1444] 1444,24 unequal: No Solution Exploring Operation: 76+19=95, Resulting Numbers: [95] 95,24 unequal: No Solution Exploring Operation: 76/19=4, Resulting Numbers: [4] 4,24 unequal: No Solution Moving to Node #0,2,4 Current State: 24:[28, 85], Operations: ['38-10=28', '76+9=85'] Exploring Operation: 85-28=57, Resulting Numbers: [57] 57,24 unequal: No Solution Exploring Operation: 28+85=113, Resulting Numbers: [113] 113,24 unequal: No Solution Exploring Operation: 28*85=2380, Resulting Numbers: [2380] 2380,24 unequal: No Solution Moving to Node #0,0,3 Current State: 24:[66, 47], Operations: ['76-10=66', '9+38=47'] Exploring Operation: 66+47=113, Resulting Numbers: [113] 113,24 unequal: No Solution Exploring Operation: 66*47=3102, Resulting Numbers: [3102] 3102,24 unequal: No Solution Exploring Operation: 66-47=19, Resulting Numbers: [19] 19,24 unequal: No Solution Moving to Node #0,2,1 Current State: 24:[76, 37], Operations: ['38-10=28', '9+28=37'] Exploring Operation: 76+37=113, Resulting Numbers: [113] 113,24 unequal: No Solution Exploring Operation: 76-37=39, Resulting Numbers: [39] 39,24 unequal: No Solution Exploring Operation: 76*37=2812, Resulting Numbers: [2812] 2812,24 unequal: No Solution Moving to Node #0,0,1 Current State: 24:[38, 75], Operations: ['76-10=66', '9+66=75'] Exploring Operation: 38*75=2850, Resulting Numbers: [2850] 2850,24 unequal: No Solution Exploring Operation: 75-38=37, Resulting Numbers: [37] 37,24 unequal: No Solution Exploring Operation: 38+75=113, Resulting Numbers: [113] 113,24 unequal: No Solution Moving to Node #0,1,0 Current State: 24:[67, 48], Operations: ['76-9=67', '38+10=48'] Exploring Operation: 67-48=19, Resulting Numbers: [19] 19,24 unequal: No Solution Exploring Operation: 67*48=3216, Resulting Numbers: [3216] 3216,24 unequal: No Solution Exploring Operation: 67+48=115, Resulting Numbers: [115] 115,24 unequal: No Solution Moving to Node #0,1,3 Current State: 24:[38, 77], Operations: ['76-9=67', '10+67=77'] Exploring Operation: 38+77=115, Resulting Numbers: [115] 115,24 unequal: No Solution Exploring Operation: 38*77=2926, Resulting Numbers: [2926] 2926,24 unequal: No Solution Exploring Operation: 77-38=39, Resulting Numbers: [39] 39,24 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 28, 81, 30, 40 ]
80
[ "81*40=3240", "3240/30=108", "108-28=80" ]
Current State: 80:[28, 81, 30, 40], Operations: [] Exploring Operation: 81*40=3240, Resulting Numbers: [28, 30, 3240] Generated Node #2: [28, 30, 3240] from Operation: 81*40=3240 Current State: 80:[28, 30, 3240], Operations: ['81*40=3240'] Exploring Operation: 3240/30=108, Resulting Numbers: [28, 108] Generated Node #3: [28, 108] from Operation: 3240/30=108 Current State: 80:[28, 108], Operations: ['81*40=3240', '3240/30=108'] Exploring Operation: 108-28=80, Resulting Numbers: [80] 80,80 equal: Goal Reached
4
Current State: 80:[28, 81, 30, 40], Operations: [] Exploring Operation: 30-28=2, Resulting Numbers: [81, 40, 2] Generated Node #0,0: 80:[81, 40, 2] Operation: 30-28=2 Exploring Operation: 40-28=12, Resulting Numbers: [81, 30, 12] Generated Node #0,1: 80:[81, 30, 12] Operation: 40-28=12 Exploring Operation: 40-30=10, Resulting Numbers: [28, 81, 10] Generated Node #0,2: 80:[28, 81, 10] Operation: 40-30=10 Exploring Operation: 28+30=58, Resulting Numbers: [81, 40, 58] Generated Node #0,3: 80:[81, 40, 58] Operation: 28+30=58 Start Sub Search at level 1: Moving to Node #0,0 Current State: 80:[81, 40, 2], Operations: ['30-28=2'] Exploring Operation: 40/2=20, Resulting Numbers: [81, 20] Generated Node #0,0,0: 80:[81, 20] Operation: 40/2=20 Exploring Operation: 81-2=79, Resulting Numbers: [40, 79] Generated Node #0,0,1: 80:[40, 79] Operation: 81-2=79 Exploring Operation: 40*2=80, Resulting Numbers: [81, 80] Generated Node #0,0,2: 80:[81, 80] Operation: 40*2=80 Exploring Operation: 81-40=41, Resulting Numbers: [2, 41] Generated Node #0,0,3: 80:[2, 41] Operation: 81-40=41 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 80:[81, 20], Operations: ['30-28=2', '40/2=20'] Exploring Operation: 81+20=101, Resulting Numbers: [101] 101,80 unequal: No Solution Exploring Operation: 81*20=1620, Resulting Numbers: [1620] 1620,80 unequal: No Solution Exploring Operation: 81-20=61, Resulting Numbers: [61] 61,80 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 80:[40, 79], Operations: ['30-28=2', '81-2=79'] Exploring Operation: 79-40=39, Resulting Numbers: [39] 39,80 unequal: No Solution Exploring Operation: 40+79=119, Resulting Numbers: [119] 119,80 unequal: No Solution Exploring Operation: 40*79=3160, Resulting Numbers: [3160] 3160,80 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 80:[81, 80], Operations: ['30-28=2', '40*2=80'] Exploring Operation: 81*80=6480, Resulting Numbers: [6480] 6480,80 unequal: No Solution Exploring Operation: 81-80=1, Resulting Numbers: [1] 1,80 unequal: No Solution Exploring Operation: 81+80=161, Resulting Numbers: [161] 161,80 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 80:[2, 41], Operations: ['30-28=2', '81-40=41'] Exploring Operation: 41-2=39, Resulting Numbers: [39] 39,80 unequal: No Solution Exploring Operation: 2+41=43, Resulting Numbers: [43] 43,80 unequal: No Solution Exploring Operation: 2*41=82, Resulting Numbers: [82] 82,80 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 80:[28, 81, 10], Operations: ['40-30=10'] Exploring Operation: 28-10=18, Resulting Numbers: [81, 18] Generated Node #0,2,0: 80:[81, 18] Operation: 28-10=18 Exploring Operation: 28+10=38, Resulting Numbers: [81, 38] Generated Node #0,2,1: 80:[81, 38] Operation: 28+10=38 Exploring Operation: 81-28=53, Resulting Numbers: [10, 53] Generated Node #0,2,2: 80:[10, 53] Operation: 81-28=53 Exploring Operation: 81-10=71, Resulting Numbers: [28, 71] Generated Node #0,2,3: 80:[28, 71] Operation: 81-10=71 Moving to Node #0,2,0 Current State: 80:[81, 18], Operations: ['40-30=10', '28-10=18'] Exploring Operation: 81+18=99, Resulting Numbers: [99] 99,80 unequal: No Solution Exploring Operation: 81*18=1458, Resulting Numbers: [1458] 1458,80 unequal: No Solution Exploring Operation: 81-18=63, Resulting Numbers: [63] 63,80 unequal: No Solution Moving to Node #0,2,1 Current State: 80:[81, 38], Operations: ['40-30=10', '28+10=38'] Exploring Operation: 81+38=119, Resulting Numbers: [119] 119,80 unequal: No Solution Exploring Operation: 81*38=3078, Resulting Numbers: [3078] 3078,80 unequal: No Solution Exploring Operation: 81-38=43, Resulting Numbers: [43] 43,80 unequal: No Solution Moving to Node #0,2,2 Current State: 80:[10, 53], Operations: ['40-30=10', '81-28=53'] Exploring Operation: 10*53=530, Resulting Numbers: [530] 530,80 unequal: No Solution Exploring Operation: 53-10=43, Resulting Numbers: [43] 43,80 unequal: No Solution Exploring Operation: 10+53=63, Resulting Numbers: [63] 63,80 unequal: No Solution Moving to Node #0,2,3 Current State: 80:[28, 71], Operations: ['40-30=10', '81-10=71'] Exploring Operation: 28+71=99, Resulting Numbers: [99] 99,80 unequal: No Solution Exploring Operation: 71-28=43, Resulting Numbers: [43] 43,80 unequal: No Solution Exploring Operation: 28*71=1988, Resulting Numbers: [1988] 1988,80 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 #0,1 Current State: 80:[81, 30, 12], Operations: ['40-28=12'] Exploring Operation: 81-12=69, Resulting Numbers: [30, 69] Generated Node #0,1,0: 80:[30, 69] Operation: 81-12=69 Exploring Operation: 30-12=18, Resulting Numbers: [81, 18] Generated Node #0,1,1: 80:[81, 18] Operation: 30-12=18 Exploring Operation: 30+12=42, Resulting Numbers: [81, 42] Generated Node #0,1,2: 80:[81, 42] Operation: 30+12=42 Exploring Operation: 81-30=51, Resulting Numbers: [12, 51] Generated Node #0,1,3: 80:[12, 51] Operation: 81-30=51 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 80:[81, 18], Operations: ['40-28=12', '30-12=18'] Exploring Operation: 81+18=99, Resulting Numbers: [99] 99,80 unequal: No Solution Exploring Operation: 81*18=1458, Resulting Numbers: [1458] 1458,80 unequal: No Solution Exploring Operation: 81-18=63, Resulting Numbers: [63] 63,80 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 80:[81, 42], Operations: ['40-28=12', '30+12=42'] Exploring Operation: 81*42=3402, Resulting Numbers: [3402] 3402,80 unequal: No Solution Exploring Operation: 81-42=39, Resulting Numbers: [39] 39,80 unequal: No Solution Exploring Operation: 81+42=123, Resulting Numbers: [123] 123,80 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 80:[12, 51], Operations: ['40-28=12', '81-30=51'] Exploring Operation: 51-12=39, Resulting Numbers: [39] 39,80 unequal: No Solution Exploring Operation: 12*51=612, Resulting Numbers: [612] 612,80 unequal: No Solution Exploring Operation: 12+51=63, Resulting Numbers: [63] 63,80 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 80:[30, 69], Operations: ['40-28=12', '81-12=69'] Exploring Operation: 69-30=39, Resulting Numbers: [39] 39,80 unequal: No Solution Exploring Operation: 30+69=99, Resulting Numbers: [99] 99,80 unequal: No Solution Exploring Operation: 30*69=2070, Resulting Numbers: [2070] 2070,80 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 80:[81, 40, 58], Operations: ['28+30=58'] Exploring Operation: 81-58=23, Resulting Numbers: [40, 23] Generated Node #0,3,0: 80:[40, 23] Operation: 81-58=23 Exploring Operation: 58-40=18, Resulting Numbers: [81, 18] Generated Node #0,3,1: 80:[81, 18] Operation: 58-40=18 Exploring Operation: 81-40=41, Resulting Numbers: [58, 41] Generated Node #0,3,2: 80:[58, 41] Operation: 81-40=41 Exploring Operation: 40+58=98, Resulting Numbers: [81, 98] Generated Node #0,3,3: 80:[81, 98] Operation: 40+58=98 Moving to Node #0,3,0 Current State: 80:[40, 23], Operations: ['28+30=58', '81-58=23'] Exploring Operation: 40-23=17, Resulting Numbers: [17] 17,80 unequal: No Solution Exploring Operation: 40+23=63, Resulting Numbers: [63] 63,80 unequal: No Solution Exploring Operation: 40*23=920, Resulting Numbers: [920] 920,80 unequal: No Solution Moving to Node #0,3,1 Current State: 80:[81, 18], Operations: ['28+30=58', '58-40=18'] Exploring Operation: 81+18=99, Resulting Numbers: [99] 99,80 unequal: No Solution Exploring Operation: 81*18=1458, Resulting Numbers: [1458] 1458,80 unequal: No Solution Exploring Operation: 81-18=63, Resulting Numbers: [63] 63,80 unequal: No Solution Moving to Node #0,3,3 Current State: 80:[81, 98], Operations: ['28+30=58', '40+58=98'] Exploring Operation: 81*98=7938, Resulting Numbers: [7938] 7938,80 unequal: No Solution Exploring Operation: 81+98=179, Resulting Numbers: [179] 179,80 unequal: No Solution Exploring Operation: 98-81=17, Resulting Numbers: [17] 17,80 unequal: No Solution Moving to Node #0,3,2 Current State: 80:[58, 41], Operations: ['28+30=58', '81-40=41'] Exploring Operation: 58+41=99, Resulting Numbers: [99] 99,80 unequal: No Solution Exploring Operation: 58-41=17, Resulting Numbers: [17] 17,80 unequal: No Solution Exploring Operation: 58*41=2378, Resulting Numbers: [2378] 2378,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
sum_heuristic
[ 19, 84, 17, 83 ]
37
[ "19+84=103", "83-17=66", "103-66=37" ]
Current State: 37:[19, 84, 17, 83], Operations: [] Exploring Operation: 19+84=103, Resulting Numbers: [17, 83, 103] Generated Node #2: [17, 83, 103] from Operation: 19+84=103 Current State: 37:[17, 83, 103], Operations: ['19+84=103'] Exploring Operation: 83-17=66, Resulting Numbers: [103, 66] Generated Node #3: [103, 66] from Operation: 83-17=66 Current State: 37:[103, 66], Operations: ['19+84=103', '83-17=66'] Exploring Operation: 103-66=37, Resulting Numbers: [37] 37,37 equal: Goal Reached
4
Current State: 37:[19, 84, 17, 83], Operations: [] Exploring Operation: 83-19=64, Resulting Numbers: [84, 17, 64] Generated Node #0,0: 37:[84, 17, 64] Operation: 83-19=64 Exploring Operation: 84-83=1, Resulting Numbers: [19, 17, 1] Generated Node #0,1: 37:[19, 17, 1] Operation: 84-83=1 Exploring Operation: 19+17=36, Resulting Numbers: [84, 83, 36] Generated Node #0,2: 37:[84, 83, 36] Operation: 19+17=36 Exploring Operation: 84-17=67, Resulting Numbers: [19, 83, 67] Generated Node #0,3: 37:[19, 83, 67] Operation: 84-17=67 Exploring Operation: 84-19=65, Resulting Numbers: [17, 83, 65] Generated Node #0,4: 37:[17, 83, 65] Operation: 84-19=65 Moving to Node #0,1 Current State: 37:[19, 17, 1], Operations: ['84-83=1'] Exploring Operation: 19*1=19, Resulting Numbers: [17, 19] Generated Node #0,1,0: 37:[17, 19] Operation: 19*1=19 Exploring Operation: 19/1=19, Resulting Numbers: [17, 19] Generated Node #0,1,1: 37:[17, 19] Operation: 19/1=19 Exploring Operation: 19+17=36, Resulting Numbers: [1, 36] Generated Node #0,1,2: 37:[1, 36] Operation: 19+17=36 Exploring Operation: 17+1=18, Resulting Numbers: [19, 18] Generated Node #0,1,3: 37:[19, 18] Operation: 17+1=18 Exploring Operation: 19+1=20, Resulting Numbers: [17, 20] Generated Node #0,1,4: 37:[17, 20] Operation: 19+1=20 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 37:[1, 36], Operations: ['84-83=1', '19+17=36'] Exploring Operation: 1+36=37, Resulting Numbers: [37] 37,37 equal: Goal Reached Moving to Node #0 Current State: 37:[19, 84, 17, 83], Operations: [] Exploring Operation: 84-83=1, Resulting Numbers: [19, 17, 1] Generated Node #0,1: 37:[19, 17, 1] Operation: 84-83=1 Moving to Node #0,1 Current State: 37:[19, 17, 1], Operations: ['84-83=1'] Exploring Operation: 19+17=36, Resulting Numbers: [1, 36] Generated Node #0,1,2: 37:[1, 36] Operation: 19+17=36 Moving to Node #0,1,2 Current State: 37:[1, 36], Operations: ['84-83=1', '19+17=36'] Exploring Operation: 1+36=37, Resulting Numbers: [37] 37,37 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_5
mult_heuristic
[ 54, 29, 95, 37 ]
56
[ "95-37=58", "58/29=2", "54+2=56" ]
Current State: 56:[54, 29, 95, 37], Operations: [] Exploring Operation: 95-37=58, Resulting Numbers: [54, 29, 58] Generated Node #2: [54, 29, 58] from Operation: 95-37=58 Current State: 56:[54, 29, 58], Operations: ['95-37=58'] Exploring Operation: 58/29=2, Resulting Numbers: [54, 2] Generated Node #3: [54, 2] from Operation: 58/29=2 Current State: 56:[54, 2], Operations: ['95-37=58', '58/29=2'] Exploring Operation: 54+2=56, Resulting Numbers: [56] 56,56 equal: Goal Reached
4
Current State: 56:[54, 29, 95, 37], Operations: [] Exploring Operation: 95-54=41, Resulting Numbers: [29, 37, 41] Generated Node #0,0: 56:[29, 37, 41] Operation: 95-54=41 Exploring Operation: 95-29=66, Resulting Numbers: [54, 37, 66] Generated Node #0,1: 56:[54, 37, 66] Operation: 95-29=66 Exploring Operation: 37-29=8, Resulting Numbers: [54, 95, 8] Generated Node #0,2: 56:[54, 95, 8] Operation: 37-29=8 Exploring Operation: 95-37=58, Resulting Numbers: [54, 29, 58] Generated Node #0,3: 56:[54, 29, 58] Operation: 95-37=58 Moving to Node #0,3 Current State: 56:[54, 29, 58], Operations: ['95-37=58'] Exploring Operation: 58-29=29, Resulting Numbers: [54, 29] Generated Node #0,3,0: 56:[54, 29] Operation: 58-29=29 Exploring Operation: 58-54=4, Resulting Numbers: [29, 4] Generated Node #0,3,1: 56:[29, 4] Operation: 58-54=4 Exploring Operation: 54-29=25, Resulting Numbers: [58, 25] Generated Node #0,3,2: 56:[58, 25] Operation: 54-29=25 Exploring Operation: 58/29=2, Resulting Numbers: [54, 2] Generated Node #0,3,3: 56:[54, 2] Operation: 58/29=2 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 56:[29, 4], Operations: ['95-37=58', '58-54=4'] Exploring Operation: 29+4=33, Resulting Numbers: [33] 33,56 unequal: No Solution Exploring Operation: 29*4=116, Resulting Numbers: [116] 116,56 unequal: No Solution Exploring Operation: 29-4=25, Resulting Numbers: [25] 25,56 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 56:[54, 2], Operations: ['95-37=58', '58/29=2'] Exploring Operation: 54/2=27, Resulting Numbers: [27] 27,56 unequal: No Solution Exploring Operation: 54+2=56, Resulting Numbers: [56] 56,56 equal: Goal Reached Moving to Node #0 Current State: 56:[54, 29, 95, 37], Operations: [] Exploring Operation: 95-37=58, Resulting Numbers: [54, 29, 58] Generated Node #0,3: 56:[54, 29, 58] Operation: 95-37=58 Moving to Node #0,3 Current State: 56:[54, 29, 58], Operations: ['95-37=58'] Exploring Operation: 58/29=2, Resulting Numbers: [54, 2] Generated Node #0,3,3: 56:[54, 2] Operation: 58/29=2 Moving to Node #0,3,3 Current State: 56:[54, 2], Operations: ['95-37=58', '58/29=2'] Exploring Operation: 54+2=56, Resulting Numbers: [56] 56,56 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_4
mult_heuristic
[ 35, 50, 43, 72 ]
77
[ "50-43=7", "35/7=5", "72+5=77" ]
Current State: 77:[35, 50, 43, 72], Operations: [] Exploring Operation: 50-43=7, Resulting Numbers: [35, 72, 7] Generated Node #2: [35, 72, 7] from Operation: 50-43=7 Current State: 77:[35, 72, 7], Operations: ['50-43=7'] Exploring Operation: 35/7=5, Resulting Numbers: [72, 5] Generated Node #3: [72, 5] from Operation: 35/7=5 Current State: 77:[72, 5], Operations: ['50-43=7', '35/7=5'] Exploring Operation: 72+5=77, Resulting Numbers: [77] 77,77 equal: Goal Reached
4
Current State: 77:[35, 50, 43, 72], Operations: [] Exploring Operation: 50-43=7, Resulting Numbers: [35, 72, 7] Generated Node #0,0: 77:[35, 72, 7] Operation: 50-43=7 Start Sub Search at level 1: Moving to Node #0,0 Current State: 77:[35, 72, 7], Operations: ['50-43=7'] Exploring Operation: 35/7=5, Resulting Numbers: [72, 5] Generated Node #0,0,0: 77:[72, 5] Operation: 35/7=5 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 77:[72, 5], Operations: ['50-43=7', '35/7=5'] Exploring Operation: 72+5=77, Resulting Numbers: [77] 77,77 equal: Goal Reached Moving to Node #0 Current State: 77:[35, 50, 43, 72], Operations: [] Exploring Operation: 50-43=7, Resulting Numbers: [35, 72, 7] Generated Node #0,0: 77:[35, 72, 7] Operation: 50-43=7 Moving to Node #0,0 Current State: 77:[35, 72, 7], Operations: ['50-43=7'] Exploring Operation: 35/7=5, Resulting Numbers: [72, 5] Generated Node #0,0,0: 77:[72, 5] Operation: 35/7=5 Moving to Node #0,0,0 Current State: 77:[72, 5], Operations: ['50-43=7', '35/7=5'] Exploring Operation: 72+5=77, Resulting Numbers: [77] 77,77 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 11, 50, 84, 70 ]
64
[ "84+70=154", "154/11=14", "50+14=64" ]
Current State: 64:[11, 50, 84, 70], Operations: [] Exploring Operation: 84+70=154, Resulting Numbers: [11, 50, 154] Generated Node #2: [11, 50, 154] from Operation: 84+70=154 Current State: 64:[11, 50, 154], Operations: ['84+70=154'] Exploring Operation: 154/11=14, Resulting Numbers: [50, 14] Generated Node #3: [50, 14] from Operation: 154/11=14 Current State: 64:[50, 14], Operations: ['84+70=154', '154/11=14'] Exploring Operation: 50+14=64, Resulting Numbers: [64] 64,64 equal: Goal Reached
4
Current State: 64:[11, 50, 84, 70], Operations: [] Exploring Operation: 84-50=34, Resulting Numbers: [11, 70, 34] Generated Node #0,0: 64:[11, 70, 34] Operation: 84-50=34 Exploring Operation: 11+50=61, Resulting Numbers: [84, 70, 61] Generated Node #0,1: 64:[84, 70, 61] Operation: 11+50=61 Exploring Operation: 84-70=14, Resulting Numbers: [11, 50, 14] Generated Node #0,2: 64:[11, 50, 14] Operation: 84-70=14 Exploring Operation: 84-11=73, Resulting Numbers: [50, 70, 73] Generated Node #0,3: 64:[50, 70, 73] Operation: 84-11=73 Exploring Operation: 70-50=20, Resulting Numbers: [11, 84, 20] Generated Node #0,4: 64:[11, 84, 20] Operation: 70-50=20 Start Sub Search at level 1: Moving to Node #0,0 Current State: 64:[11, 70, 34], Operations: ['84-50=34'] Exploring Operation: 70-11=59, Resulting Numbers: [34, 59] Generated Node #0,0,0: 64:[34, 59] Operation: 70-11=59 Exploring Operation: 11+70=81, Resulting Numbers: [34, 81] Generated Node #0,0,1: 64:[34, 81] Operation: 11+70=81 Exploring Operation: 70-34=36, Resulting Numbers: [11, 36] Generated Node #0,0,2: 64:[11, 36] Operation: 70-34=36 Exploring Operation: 11+34=45, Resulting Numbers: [70, 45] Generated Node #0,0,3: 64:[70, 45] Operation: 11+34=45 Exploring Operation: 34-11=23, Resulting Numbers: [70, 23] Generated Node #0,0,4: 64:[70, 23] Operation: 34-11=23 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 64:[34, 59], Operations: ['84-50=34', '70-11=59'] Exploring Operation: 59-34=25, Resulting Numbers: [25] 25,64 unequal: No Solution Exploring Operation: 34+59=93, Resulting Numbers: [93] 93,64 unequal: No Solution Exploring Operation: 34*59=2006, Resulting Numbers: [2006] 2006,64 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 #0,0,2 Current State: 64:[11, 36], Operations: ['84-50=34', '70-34=36'] Exploring Operation: 36-11=25, Resulting Numbers: [25] 25,64 unequal: No Solution Exploring Operation: 11+36=47, Resulting Numbers: [47] 47,64 unequal: No Solution Exploring Operation: 11*36=396, Resulting Numbers: [396] 396,64 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 #0,0,4 Current State: 64:[70, 23], Operations: ['84-50=34', '34-11=23'] Exploring Operation: 70+23=93, Resulting Numbers: [93] 93,64 unequal: No Solution Exploring Operation: 70*23=1610, Resulting Numbers: [1610] 1610,64 unequal: No Solution Exploring Operation: 70-23=47, Resulting Numbers: [47] 47,64 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 #0,0,1 Current State: 64:[34, 81], Operations: ['84-50=34', '11+70=81'] Exploring Operation: 81-34=47, Resulting Numbers: [47] 47,64 unequal: No Solution Exploring Operation: 34*81=2754, Resulting Numbers: [2754] 2754,64 unequal: No Solution Exploring Operation: 34+81=115, Resulting Numbers: [115] 115,64 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 #0,0,3 Current State: 64:[70, 45], Operations: ['84-50=34', '11+34=45'] Exploring Operation: 70*45=3150, Resulting Numbers: [3150] 3150,64 unequal: No Solution Exploring Operation: 70+45=115, Resulting Numbers: [115] 115,64 unequal: No Solution Exploring Operation: 70-45=25, Resulting Numbers: [25] 25,64 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 Start Sub Search at level 1: Moving to Node #0,2 Current State: 64:[11, 50, 14], Operations: ['84-70=14'] Exploring Operation: 11+50=61, Resulting Numbers: [14, 61] Generated Node #0,2,0: 64:[14, 61] Operation: 11+50=61 Exploring Operation: 50+14=64, Resulting Numbers: [11, 64] Generated Node #0,2,1: 64:[11, 64] Operation: 50+14=64 Exploring Operation: 50-14=36, Resulting Numbers: [11, 36] Generated Node #0,2,2: 64:[11, 36] Operation: 50-14=36 Exploring Operation: 14-11=3, Resulting Numbers: [50, 3] Generated Node #0,2,3: 64:[50, 3] Operation: 14-11=3 Exploring Operation: 50-11=39, Resulting Numbers: [14, 39] Generated Node #0,2,4: 64:[14, 39] Operation: 50-11=39 Moving to Node #0,2,1 Current State: 64:[11, 64], Operations: ['84-70=14', '50+14=64'] Exploring Operation: 64-11=53, Resulting Numbers: [53] 53,64 unequal: No Solution Exploring Operation: 11*64=704, Resulting Numbers: [704] 704,64 unequal: No Solution Exploring Operation: 11+64=75, Resulting Numbers: [75] 75,64 unequal: No Solution Moving to Node #0,2,0 Current State: 64:[14, 61], Operations: ['84-70=14', '11+50=61'] Exploring Operation: 14*61=854, Resulting Numbers: [854] 854,64 unequal: No Solution Exploring Operation: 61-14=47, Resulting Numbers: [47] 47,64 unequal: No Solution Exploring Operation: 14+61=75, Resulting Numbers: [75] 75,64 unequal: No Solution Moving to Node #0,2,2 Current State: 64:[11, 36], Operations: ['84-70=14', '50-14=36'] Exploring Operation: 11+36=47, Resulting Numbers: [47] 47,64 unequal: No Solution Exploring Operation: 36-11=25, Resulting Numbers: [25] 25,64 unequal: No Solution Exploring Operation: 11*36=396, Resulting Numbers: [396] 396,64 unequal: No Solution Moving to Node #0,2,4 Current State: 64:[14, 39], Operations: ['84-70=14', '50-11=39'] Exploring Operation: 14+39=53, Resulting Numbers: [53] 53,64 unequal: No Solution Exploring Operation: 39-14=25, Resulting Numbers: [25] 25,64 unequal: No Solution Exploring Operation: 14*39=546, Resulting Numbers: [546] 546,64 unequal: No Solution Moving to Node #0,2,3 Current State: 64:[50, 3], Operations: ['84-70=14', '14-11=3'] Exploring Operation: 50-3=47, Resulting Numbers: [47] 47,64 unequal: No Solution Exploring Operation: 50*3=150, Resulting Numbers: [150] 150,64 unequal: No Solution Exploring Operation: 50+3=53, Resulting Numbers: [53] 53,64 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 #0,4 Current State: 64:[11, 84, 20], Operations: ['70-50=20'] Exploring Operation: 84-11=73, Resulting Numbers: [20, 73] Generated Node #0,4,0: 64:[20, 73] Operation: 84-11=73 Exploring Operation: 11+20=31, Resulting Numbers: [84, 31] Generated Node #0,4,1: 64:[84, 31] Operation: 11+20=31 Exploring Operation: 20-11=9, Resulting Numbers: [84, 9] Generated Node #0,4,2: 64:[84, 9] Operation: 20-11=9 Exploring Operation: 84-20=64, Resulting Numbers: [11, 64] Generated Node #0,4,3: 64:[11, 64] Operation: 84-20=64 Exploring Operation: 11+84=95, Resulting Numbers: [20, 95] Generated Node #0,4,4: 64:[20, 95] Operation: 11+84=95 Moving to Node #0,4,3 Current State: 64:[11, 64], Operations: ['70-50=20', '84-20=64'] Exploring Operation: 11+64=75, Resulting Numbers: [75] 75,64 unequal: No Solution Exploring Operation: 11*64=704, Resulting Numbers: [704] 704,64 unequal: No Solution Exploring Operation: 64-11=53, Resulting Numbers: [53] 53,64 unequal: No Solution Moving to Node #0,4,0 Current State: 64:[20, 73], Operations: ['70-50=20', '84-11=73'] Exploring Operation: 20*73=1460, Resulting Numbers: [1460] 1460,64 unequal: No Solution Exploring Operation: 20+73=93, Resulting Numbers: [93] 93,64 unequal: No Solution Exploring Operation: 73-20=53, Resulting Numbers: [53] 53,64 unequal: No Solution Moving to Node #0,4,1 Current State: 64:[84, 31], Operations: ['70-50=20', '11+20=31'] Exploring Operation: 84+31=115, Resulting Numbers: [115] 115,64 unequal: No Solution Exploring Operation: 84*31=2604, Resulting Numbers: [2604] 2604,64 unequal: No Solution Exploring Operation: 84-31=53, Resulting Numbers: [53] 53,64 unequal: No Solution Moving to Node #0,4,2 Current State: 64:[84, 9], Operations: ['70-50=20', '20-11=9'] Exploring Operation: 84*9=756, Resulting Numbers: [756] 756,64 unequal: No Solution Exploring Operation: 84-9=75, Resulting Numbers: [75] 75,64 unequal: No Solution Exploring Operation: 84+9=93, Resulting Numbers: [93] 93,64 unequal: No Solution Moving to Node #0,4,4 Current State: 64:[20, 95], Operations: ['70-50=20', '11+84=95'] Exploring Operation: 20+95=115, Resulting Numbers: [115] 115,64 unequal: No Solution Exploring Operation: 20*95=1900, Resulting Numbers: [1900] 1900,64 unequal: No Solution Exploring Operation: 95-20=75, Resulting Numbers: [75] 75,64 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 Current State: 64:[84, 70, 61], Operations: ['11+50=61'] Exploring Operation: 84-61=23, Resulting Numbers: [70, 23] Generated Node #0,1,0: 64:[70, 23] Operation: 84-61=23 Exploring Operation: 70+61=131, Resulting Numbers: [84, 131] Generated Node #0,1,1: 64:[84, 131] Operation: 70+61=131 Exploring Operation: 70-61=9, Resulting Numbers: [84, 9] Generated Node #0,1,2: 64:[84, 9] Operation: 70-61=9 Exploring Operation: 84-70=14, Resulting Numbers: [61, 14] Generated Node #0,1,3: 64:[61, 14] Operation: 84-70=14 Exploring Operation: 84+61=145, Resulting Numbers: [70, 145] Generated Node #0,1,4: 64:[70, 145] Operation: 84+61=145 Moving to Node #0,1,3 Current State: 64:[61, 14], Operations: ['11+50=61', '84-70=14'] Exploring Operation: 61+14=75, Resulting Numbers: [75] 75,64 unequal: No Solution Exploring Operation: 61*14=854, Resulting Numbers: [854] 854,64 unequal: No Solution Exploring Operation: 61-14=47, Resulting Numbers: [47] 47,64 unequal: No Solution Moving to Node #0,1,0 Current State: 64:[70, 23], Operations: ['11+50=61', '84-61=23'] Exploring Operation: 70+23=93, Resulting Numbers: [93] 93,64 unequal: No Solution Exploring Operation: 70-23=47, Resulting Numbers: [47] 47,64 unequal: No Solution Exploring Operation: 70*23=1610, Resulting Numbers: [1610] 1610,64 unequal: No Solution Moving to Node #0,1,2 Current State: 64:[84, 9], Operations: ['11+50=61', '70-61=9'] Exploring Operation: 84-9=75, Resulting Numbers: [75] 75,64 unequal: No Solution Exploring Operation: 84+9=93, Resulting Numbers: [93] 93,64 unequal: No Solution Exploring Operation: 84*9=756, Resulting Numbers: [756] 756,64 unequal: No Solution Moving to Node #0,1,1 Current State: 64:[84, 131], Operations: ['11+50=61', '70+61=131'] Exploring Operation: 84+131=215, Resulting Numbers: [215] 215,64 unequal: No Solution Exploring Operation: 131-84=47, Resulting Numbers: [47] 47,64 unequal: No Solution Exploring Operation: 84*131=11004, Resulting Numbers: [11004] 11004,64 unequal: No Solution Moving to Node #0,1,4 Current State: 64:[70, 145], Operations: ['11+50=61', '84+61=145'] Exploring Operation: 145-70=75, Resulting Numbers: [75] 75,64 unequal: No Solution Exploring Operation: 70*145=10150, Resulting Numbers: [10150] 10150,64 unequal: No Solution Exploring Operation: 70+145=215, Resulting Numbers: [215] 215,64 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 #0,3 Current State: 64:[50, 70, 73], Operations: ['84-11=73'] Exploring Operation: 70-50=20, Resulting Numbers: [73, 20] Generated Node #0,3,0: 64:[73, 20] Operation: 70-50=20 Exploring Operation: 73-70=3, Resulting Numbers: [50, 3] Generated Node #0,3,1: 64:[50, 3] Operation: 73-70=3 Exploring Operation: 73-50=23, Resulting Numbers: [70, 23] Generated Node #0,3,2: 64:[70, 23] Operation: 73-50=23 Exploring Operation: 50+70=120, Resulting Numbers: [73, 120] Generated Node #0,3,3: 64:[73, 120] Operation: 50+70=120 Exploring Operation: 50+73=123, Resulting Numbers: [70, 123] Generated Node #0,3,4: 64:[70, 123] Operation: 50+73=123 Moving to Node #0,3,0 Current State: 64:[73, 20], Operations: ['84-11=73', '70-50=20'] Exploring Operation: 73-20=53, Resulting Numbers: [53] 53,64 unequal: No Solution Exploring Operation: 73*20=1460, Resulting Numbers: [1460] 1460,64 unequal: No Solution Exploring Operation: 73+20=93, Resulting Numbers: [93] 93,64 unequal: No Solution Moving to Node #0,3,2 Current State: 64:[70, 23], Operations: ['84-11=73', '73-50=23'] Exploring Operation: 70-23=47, Resulting Numbers: [47] 47,64 unequal: No Solution Exploring Operation: 70+23=93, Resulting Numbers: [93] 93,64 unequal: No Solution Exploring Operation: 70*23=1610, Resulting Numbers: [1610] 1610,64 unequal: No Solution Moving to Node #0,3,1 Current State: 64:[50, 3], Operations: ['84-11=73', '73-70=3'] Exploring Operation: 50*3=150, Resulting Numbers: [150] 150,64 unequal: No Solution Exploring Operation: 50+3=53, Resulting Numbers: [53] 53,64 unequal: No Solution Exploring Operation: 50-3=47, Resulting Numbers: [47] 47,64 unequal: No Solution Moving to Node #0,3,3 Current State: 64:[73, 120], Operations: ['84-11=73', '50+70=120'] Exploring Operation: 120-73=47, Resulting Numbers: [47] 47,64 unequal: No Solution Exploring Operation: 73*120=8760, Resulting Numbers: [8760] 8760,64 unequal: No Solution Exploring Operation: 73+120=193, Resulting Numbers: [193] 193,64 unequal: No Solution Moving to Node #0,3,4 Current State: 64:[70, 123], Operations: ['84-11=73', '50+73=123'] Exploring Operation: 123-70=53, Resulting Numbers: [53] 53,64 unequal: No Solution Exploring Operation: 70*123=8610, Resulting Numbers: [8610] 8610,64 unequal: No Solution Exploring Operation: 70+123=193, Resulting Numbers: [193] 193,64 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
[ 17, 36, 72, 6 ]
13
[ "17+36=53", "72-6=66", "66-53=13" ]
Current State: 13:[17, 36, 72, 6], Operations: [] Exploring Operation: 17+36=53, Resulting Numbers: [72, 6, 53] Generated Node #2: [72, 6, 53] from Operation: 17+36=53 Current State: 13:[72, 6, 53], Operations: ['17+36=53'] Exploring Operation: 72-6=66, Resulting Numbers: [53, 66] Generated Node #3: [53, 66] from Operation: 72-6=66 Current State: 13:[53, 66], Operations: ['17+36=53', '72-6=66'] Exploring Operation: 66-53=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
4
Current State: 13:[17, 36, 72, 6], Operations: [] Exploring Operation: 72/6=12, Resulting Numbers: [17, 36, 12] Generated Node #0,0: 13:[17, 36, 12] Operation: 72/6=12 Exploring Operation: 36/6=6, Resulting Numbers: [17, 72, 6] Generated Node #0,1: 13:[17, 72, 6] Operation: 36/6=6 Exploring Operation: 72-36=36, Resulting Numbers: [17, 6, 36] Generated Node #0,2: 13:[17, 6, 36] Operation: 72-36=36 Exploring Operation: 72/36=2, Resulting Numbers: [17, 6, 2] Generated Node #0,3: 13:[17, 6, 2] Operation: 72/36=2 Start Sub Search at level 1: Moving to Node #0,3 Current State: 13:[17, 6, 2], Operations: ['72/36=2'] Exploring Operation: 17-2=15, Resulting Numbers: [6, 15] Generated Node #0,3,0: 13:[6, 15] Operation: 17-2=15 Exploring Operation: 6+2=8, Resulting Numbers: [17, 8] Generated Node #0,3,1: 13:[17, 8] Operation: 6+2=8 Exploring Operation: 17-6=11, Resulting Numbers: [2, 11] Generated Node #0,3,2: 13:[2, 11] Operation: 17-6=11 Exploring Operation: 6*2=12, Resulting Numbers: [17, 12] Generated Node #0,3,3: 13:[17, 12] Operation: 6*2=12 Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 13:[17, 12], Operations: ['72/36=2', '6*2=12'] Exploring Operation: 17+12=29, Resulting Numbers: [29] 29,13 unequal: No Solution Exploring Operation: 17-12=5, Resulting Numbers: [5] 5,13 unequal: No Solution Exploring Operation: 17*12=204, Resulting Numbers: [204] 204,13 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 13:[6, 15], Operations: ['72/36=2', '17-2=15'] Exploring Operation: 6*15=90, Resulting Numbers: [90] 90,13 unequal: No Solution Exploring Operation: 6+15=21, Resulting Numbers: [21] 21,13 unequal: No Solution Exploring Operation: 15-6=9, Resulting Numbers: [9] 9,13 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 13:[17, 8], Operations: ['72/36=2', '6+2=8'] Exploring Operation: 17+8=25, Resulting Numbers: [25] 25,13 unequal: No Solution Exploring Operation: 17*8=136, Resulting Numbers: [136] 136,13 unequal: No Solution Exploring Operation: 17-8=9, Resulting Numbers: [9] 9,13 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 13:[2, 11], Operations: ['72/36=2', '17-6=11'] Exploring Operation: 2*11=22, Resulting Numbers: [22] 22,13 unequal: No Solution Exploring Operation: 11-2=9, Resulting Numbers: [9] 9,13 unequal: No Solution Exploring Operation: 2+11=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Moving to Node #0 Current State: 13:[17, 36, 72, 6], Operations: [] Exploring Operation: 72/36=2, Resulting Numbers: [17, 6, 2] Generated Node #0,3: 13:[17, 6, 2] Operation: 72/36=2 Moving to Node #0,3 Current State: 13:[17, 6, 2], Operations: ['72/36=2'] Exploring Operation: 17-6=11, Resulting Numbers: [2, 11] Generated Node #0,3,2: 13:[2, 11] Operation: 17-6=11 Moving to Node #0,3,2 Current State: 13:[2, 11], Operations: ['72/36=2', '17-6=11'] Exploring Operation: 2+11=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.979167
hs_4
mult_heuristic
[ 9, 39, 42, 57 ]
10
[ "42-39=3", "57/3=19", "19-9=10" ]
Current State: 10:[9, 39, 42, 57], Operations: [] Exploring Operation: 42-39=3, Resulting Numbers: [9, 57, 3] Generated Node #2: [9, 57, 3] from Operation: 42-39=3 Current State: 10:[9, 57, 3], Operations: ['42-39=3'] Exploring Operation: 57/3=19, Resulting Numbers: [9, 19] Generated Node #3: [9, 19] from Operation: 57/3=19 Current State: 10:[9, 19], Operations: ['42-39=3', '57/3=19'] Exploring Operation: 19-9=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
4
Current State: 10:[9, 39, 42, 57], Operations: [] Exploring Operation: 57-39=18, Resulting Numbers: [9, 42, 18] Generated Node #0,0: 10:[9, 42, 18] Operation: 57-39=18 Exploring Operation: 42-39=3, Resulting Numbers: [9, 57, 3] Generated Node #0,1: 10:[9, 57, 3] Operation: 42-39=3 Exploring Operation: 57-42=15, Resulting Numbers: [9, 39, 15] Generated Node #0,2: 10:[9, 39, 15] Operation: 57-42=15 Start Sub Search at level 1: Moving to Node #0,2 Current State: 10:[9, 39, 15], Operations: ['57-42=15'] Exploring Operation: 39-9=30, Resulting Numbers: [15, 30] Generated Node #0,2,0: 10:[15, 30] Operation: 39-9=30 Exploring Operation: 15-9=6, Resulting Numbers: [39, 6] Generated Node #0,2,1: 10:[39, 6] Operation: 15-9=6 Exploring Operation: 39-15=24, Resulting Numbers: [9, 24] Generated Node #0,2,2: 10:[9, 24] Operation: 39-15=24 Moving to Node #0,2,2 Current State: 10:[9, 24], Operations: ['57-42=15', '39-15=24'] Exploring Operation: 9*24=216, Resulting Numbers: [216] 216,10 unequal: No Solution Exploring Operation: 24-9=15, Resulting Numbers: [15] 15,10 unequal: No Solution Exploring Operation: 9+24=33, Resulting Numbers: [33] 33,10 unequal: No Solution Moving to Node #0,2,0 Current State: 10:[15, 30], Operations: ['57-42=15', '39-9=30'] Exploring Operation: 30/15=2, Resulting Numbers: [2] 2,10 unequal: No Solution Exploring Operation: 15+30=45, Resulting Numbers: [45] 45,10 unequal: No Solution Exploring Operation: 30-15=15, Resulting Numbers: [15] 15,10 unequal: No Solution Moving to Node #0,2,1 Current State: 10:[39, 6], Operations: ['57-42=15', '15-9=6'] Exploring Operation: 39-6=33, Resulting Numbers: [33] 33,10 unequal: No Solution Exploring Operation: 39+6=45, Resulting Numbers: [45] 45,10 unequal: No Solution Exploring Operation: 39*6=234, Resulting Numbers: [234] 234,10 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 10:[9, 42, 18], Operations: ['57-39=18'] Exploring Operation: 42-9=33, Resulting Numbers: [18, 33] Generated Node #0,0,0: 10:[18, 33] Operation: 42-9=33 Exploring Operation: 42-18=24, Resulting Numbers: [9, 24] Generated Node #0,0,1: 10:[9, 24] Operation: 42-18=24 Exploring Operation: 18/9=2, Resulting Numbers: [42, 2] Generated Node #0,0,2: 10:[42, 2] Operation: 18/9=2 Moving to Node #0,0,1 Current State: 10:[9, 24], Operations: ['57-39=18', '42-18=24'] Exploring Operation: 24-9=15, Resulting Numbers: [15] 15,10 unequal: No Solution Exploring Operation: 9*24=216, Resulting Numbers: [216] 216,10 unequal: No Solution Exploring Operation: 9+24=33, Resulting Numbers: [33] 33,10 unequal: No Solution Moving to Node #0,0,0 Current State: 10:[18, 33], Operations: ['57-39=18', '42-9=33'] Exploring Operation: 18*33=594, Resulting Numbers: [594] 594,10 unequal: No Solution Exploring Operation: 18+33=51, Resulting Numbers: [51] 51,10 unequal: No Solution Exploring Operation: 33-18=15, Resulting Numbers: [15] 15,10 unequal: No Solution Moving to Node #0,0,2 Current State: 10:[42, 2], Operations: ['57-39=18', '18/9=2'] Exploring Operation: 42+2=44, Resulting Numbers: [44] 44,10 unequal: No Solution Exploring Operation: 42-2=40, Resulting Numbers: [40] 40,10 unequal: No Solution Exploring Operation: 42/2=21, Resulting Numbers: [21] 21,10 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:[9, 57, 3], Operations: ['42-39=3'] Exploring Operation: 57/3=19, Resulting Numbers: [9, 19] Generated Node #0,1,0: 10:[9, 19] Operation: 57/3=19 Exploring Operation: 57-9=48, Resulting Numbers: [3, 48] Generated Node #0,1,1: 10:[3, 48] Operation: 57-9=48 Exploring Operation: 57-3=54, Resulting Numbers: [9, 54] Generated Node #0,1,2: 10:[9, 54] Operation: 57-3=54 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 10:[9, 19], Operations: ['42-39=3', '57/3=19'] Exploring Operation: 9+19=28, Resulting Numbers: [28] 28,10 unequal: No Solution Exploring Operation: 9*19=171, Resulting Numbers: [171] 171,10 unequal: No Solution Exploring Operation: 19-9=10, Resulting Numbers: [10] 10,10 equal: Goal Reached Moving to Node #0 Current State: 10:[9, 39, 42, 57], Operations: [] Exploring Operation: 42-39=3, Resulting Numbers: [9, 57, 3] Generated Node #0,1: 10:[9, 57, 3] Operation: 42-39=3 Moving to Node #0,1 Current State: 10:[9, 57, 3], Operations: ['42-39=3'] Exploring Operation: 57/3=19, Resulting Numbers: [9, 19] Generated Node #0,1,0: 10:[9, 19] Operation: 57/3=19 Moving to Node #0,1,0 Current State: 10:[9, 19], Operations: ['42-39=3', '57/3=19'] Exploring Operation: 19-9=10, Resulting Numbers: [10] 10,10 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.967882
hs_3
sum_heuristic
[ 64, 35, 17, 32 ]
20
[ "64-35=29", "17+32=49", "49-29=20" ]
Current State: 20:[64, 35, 17, 32], Operations: [] Exploring Operation: 64-35=29, Resulting Numbers: [17, 32, 29] Generated Node #2: [17, 32, 29] from Operation: 64-35=29 Current State: 20:[17, 32, 29], Operations: ['64-35=29'] Exploring Operation: 17+32=49, Resulting Numbers: [29, 49] Generated Node #3: [29, 49] from Operation: 17+32=49 Current State: 20:[29, 49], Operations: ['64-35=29', '17+32=49'] Exploring Operation: 49-29=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[64, 35, 17, 32], Operations: [] Exploring Operation: 64/32=2, Resulting Numbers: [35, 17, 2] Generated Node #0,0: 20:[35, 17, 2] Operation: 64/32=2 Exploring Operation: 64-32=32, Resulting Numbers: [35, 17, 32] Generated Node #0,1: 20:[35, 17, 32] Operation: 64-32=32 Exploring Operation: 64-35=29, Resulting Numbers: [17, 32, 29] Generated Node #0,2: 20:[17, 32, 29] Operation: 64-35=29 Exploring Operation: 35-32=3, Resulting Numbers: [64, 17, 3] Generated Node #0,3: 20:[64, 17, 3] Operation: 35-32=3 Start Sub Search at level 1: Moving to Node #0,0 Current State: 20:[35, 17, 2], Operations: ['64/32=2'] Exploring Operation: 35-2=33, Resulting Numbers: [17, 33] Generated Node #0,0,0: 20:[17, 33] Operation: 35-2=33 Exploring Operation: 17+2=19, Resulting Numbers: [35, 19] Generated Node #0,0,1: 20:[35, 19] Operation: 17+2=19 Exploring Operation: 35+2=37, Resulting Numbers: [17, 37] Generated Node #0,0,2: 20:[17, 37] Operation: 35+2=37 Exploring Operation: 35-17=18, Resulting Numbers: [2, 18] Generated Node #0,0,3: 20:[2, 18] Operation: 35-17=18 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 20:[2, 18], Operations: ['64/32=2', '35-17=18'] Exploring Operation: 2*18=36, Resulting Numbers: [36] 36,20 unequal: No Solution Exploring Operation: 18-2=16, Resulting Numbers: [16] 16,20 unequal: No Solution Exploring Operation: 18/2=9, Resulting Numbers: [9] 9,20 unequal: No Solution Exploring Operation: 2+18=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Moving to Node #0 Current State: 20:[64, 35, 17, 32], Operations: [] Exploring Operation: 64/32=2, Resulting Numbers: [35, 17, 2] Generated Node #0,0: 20:[35, 17, 2] Operation: 64/32=2 Moving to Node #0,0 Current State: 20:[35, 17, 2], Operations: ['64/32=2'] Exploring Operation: 35-17=18, Resulting Numbers: [2, 18] Generated Node #0,0,3: 20:[2, 18] Operation: 35-17=18 Moving to Node #0,0,3 Current State: 20:[2, 18], Operations: ['64/32=2', '35-17=18'] Exploring Operation: 2+18=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986111
hs_4
mult_heuristic
[ 59, 63, 30, 79 ]
41
[ "63-59=4", "30*4=120", "120-79=41" ]
Current State: 41:[59, 63, 30, 79], Operations: [] Exploring Operation: 63-59=4, Resulting Numbers: [30, 79, 4] Generated Node #2: [30, 79, 4] from Operation: 63-59=4 Current State: 41:[30, 79, 4], Operations: ['63-59=4'] Exploring Operation: 30*4=120, Resulting Numbers: [79, 120] Generated Node #3: [79, 120] from Operation: 30*4=120 Current State: 41:[79, 120], Operations: ['63-59=4', '30*4=120'] Exploring Operation: 120-79=41, Resulting Numbers: [41] 41,41 equal: Goal Reached
4
Current State: 41:[59, 63, 30, 79], Operations: [] Exploring Operation: 79-59=20, Resulting Numbers: [63, 30, 20] Generated Node #0,0: 41:[63, 30, 20] Operation: 79-59=20 Exploring Operation: 79-30=49, Resulting Numbers: [59, 63, 49] Generated Node #0,1: 41:[59, 63, 49] Operation: 79-30=49 Start Sub Search at level 1: Moving to Node #0,1 Current State: 41:[59, 63, 49], Operations: ['79-30=49'] Exploring Operation: 63-59=4, Resulting Numbers: [49, 4] Generated Node #0,1,0: 41:[49, 4] Operation: 63-59=4 Exploring Operation: 63-49=14, Resulting Numbers: [59, 14] Generated Node #0,1,1: 41:[59, 14] Operation: 63-49=14 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 41:[49, 4], Operations: ['79-30=49', '63-59=4'] Exploring Operation: 49-4=45, Resulting Numbers: [45] 45,41 unequal: No Solution Exploring Operation: 49+4=53, Resulting Numbers: [53] 53,41 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 41:[59, 14], Operations: ['79-30=49', '63-49=14'] Exploring Operation: 59-14=45, Resulting Numbers: [45] 45,41 unequal: No Solution Exploring Operation: 59+14=73, Resulting Numbers: [73] 73,41 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: 41:[63, 30, 20], Operations: ['79-59=20'] Exploring Operation: 63-30=33, Resulting Numbers: [20, 33] Generated Node #0,0,0: 41:[20, 33] Operation: 63-30=33 Exploring Operation: 63-20=43, Resulting Numbers: [30, 43] Generated Node #0,0,1: 41:[30, 43] Operation: 63-20=43 Moving to Node #0,0,1 Current State: 41:[30, 43], Operations: ['79-59=20', '63-20=43'] Exploring Operation: 43-30=13, Resulting Numbers: [13] 13,41 unequal: No Solution Exploring Operation: 30+43=73, Resulting Numbers: [73] 73,41 unequal: No Solution Moving to Node #0,0,0 Current State: 41:[20, 33], Operations: ['79-59=20', '63-30=33'] Exploring Operation: 33-20=13, Resulting Numbers: [13] 13,41 unequal: No Solution Exploring Operation: 20+33=53, Resulting Numbers: [53] 53,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 13, 6, 42, 2 ]
83
[ "6+42=48", "2*48=96", "96-13=83" ]
Current State: 83:[13, 6, 42, 2], Operations: [] Exploring Operation: 6+42=48, Resulting Numbers: [13, 2, 48] Generated Node #2: [13, 2, 48] from Operation: 6+42=48 Current State: 83:[13, 2, 48], Operations: ['6+42=48'] Exploring Operation: 2*48=96, Resulting Numbers: [13, 96] Generated Node #3: [13, 96] from Operation: 2*48=96 Current State: 83:[13, 96], Operations: ['6+42=48', '2*48=96'] Exploring Operation: 96-13=83, Resulting Numbers: [83] 83,83 equal: Goal Reached
4
Current State: 83:[13, 6, 42, 2], Operations: [] Exploring Operation: 13*6=78, Resulting Numbers: [42, 2, 78] Generated Node #0,0: 83:[42, 2, 78] Operation: 13*6=78 Start Sub Search at level 1: Moving to Node #0,0 Current State: 83:[42, 2, 78], Operations: ['13*6=78'] Exploring Operation: 42*2=84, Resulting Numbers: [78, 84] Generated Node #0,0,0: 83:[78, 84] Operation: 42*2=84 Moving to Node #0,0,0 Current State: 83:[78, 84], Operations: ['13*6=78', '42*2=84'] Exploring Operation: 84-78=6, Resulting Numbers: [6] 6,83 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
[ 47, 44, 71, 40 ]
49
[ "47-44=3", "40*3=120", "120-71=49" ]
Current State: 49:[47, 44, 71, 40], Operations: [] Exploring Operation: 47-44=3, Resulting Numbers: [71, 40, 3] Generated Node #2: [71, 40, 3] from Operation: 47-44=3 Current State: 49:[71, 40, 3], Operations: ['47-44=3'] Exploring Operation: 40*3=120, Resulting Numbers: [71, 120] Generated Node #3: [71, 120] from Operation: 40*3=120 Current State: 49:[71, 120], Operations: ['47-44=3', '40*3=120'] Exploring Operation: 120-71=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
4
Current State: 49:[47, 44, 71, 40], Operations: [] Exploring Operation: 71-47=24, Resulting Numbers: [44, 40, 24] Generated Node #0,0: 49:[44, 40, 24] Operation: 71-47=24 Exploring Operation: 47-40=7, Resulting Numbers: [44, 71, 7] Generated Node #0,1: 49:[44, 71, 7] Operation: 47-40=7 Exploring Operation: 71-40=31, Resulting Numbers: [47, 44, 31] Generated Node #0,2: 49:[47, 44, 31] Operation: 71-40=31 Exploring Operation: 44-40=4, Resulting Numbers: [47, 71, 4] Generated Node #0,3: 49:[47, 71, 4] Operation: 44-40=4 Exploring Operation: 71-44=27, Resulting Numbers: [47, 40, 27] Generated Node #0,4: 49:[47, 40, 27] Operation: 71-44=27 Start Sub Search at level 1: Moving to Node #0,2 Current State: 49:[47, 44, 31], Operations: ['71-40=31'] Exploring Operation: 44+31=75, Resulting Numbers: [47, 75] Generated Node #0,2,0: 49:[47, 75] Operation: 44+31=75 Exploring Operation: 44-31=13, Resulting Numbers: [47, 13] Generated Node #0,2,1: 49:[47, 13] Operation: 44-31=13 Exploring Operation: 47+31=78, Resulting Numbers: [44, 78] Generated Node #0,2,2: 49:[44, 78] Operation: 47+31=78 Exploring Operation: 47-44=3, Resulting Numbers: [31, 3] Generated Node #0,2,3: 49:[31, 3] Operation: 47-44=3 Exploring Operation: 47-31=16, Resulting Numbers: [44, 16] Generated Node #0,2,4: 49:[44, 16] Operation: 47-31=16 Moving to Node #0,2,1 Current State: 49:[47, 13], Operations: ['71-40=31', '44-31=13'] Exploring Operation: 47+13=60, Resulting Numbers: [60] 60,49 unequal: No Solution Exploring Operation: 47-13=34, Resulting Numbers: [34] 34,49 unequal: No Solution Exploring Operation: 47*13=611, Resulting Numbers: [611] 611,49 unequal: No Solution Moving to Node #0,2,4 Current State: 49:[44, 16], Operations: ['71-40=31', '47-31=16'] Exploring Operation: 44+16=60, Resulting Numbers: [60] 60,49 unequal: No Solution Exploring Operation: 44*16=704, Resulting Numbers: [704] 704,49 unequal: No Solution Exploring Operation: 44-16=28, Resulting Numbers: [28] 28,49 unequal: No Solution Moving to Node #0,2,3 Current State: 49:[31, 3], Operations: ['71-40=31', '47-44=3'] Exploring Operation: 31*3=93, Resulting Numbers: [93] 93,49 unequal: No Solution Exploring Operation: 31+3=34, Resulting Numbers: [34] 34,49 unequal: No Solution Exploring Operation: 31-3=28, Resulting Numbers: [28] 28,49 unequal: No Solution Moving to Node #0,2,0 Current State: 49:[47, 75], Operations: ['71-40=31', '44+31=75'] Exploring Operation: 75-47=28, Resulting Numbers: [28] 28,49 unequal: No Solution Exploring Operation: 47+75=122, Resulting Numbers: [122] 122,49 unequal: No Solution Exploring Operation: 47*75=3525, Resulting Numbers: [3525] 3525,49 unequal: No Solution Moving to Node #0,2,2 Current State: 49:[44, 78], Operations: ['71-40=31', '47+31=78'] Exploring Operation: 44+78=122, Resulting Numbers: [122] 122,49 unequal: No Solution Exploring Operation: 44*78=3432, Resulting Numbers: [3432] 3432,49 unequal: No Solution Exploring Operation: 78-44=34, Resulting Numbers: [34] 34,49 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 Current State: 49:[44, 71, 7], Operations: ['47-40=7'] Exploring Operation: 44-7=37, Resulting Numbers: [71, 37] Generated Node #0,1,0: 49:[71, 37] Operation: 44-7=37 Exploring Operation: 71+7=78, Resulting Numbers: [44, 78] Generated Node #0,1,1: 49:[44, 78] Operation: 71+7=78 Exploring Operation: 71-7=64, Resulting Numbers: [44, 64] Generated Node #0,1,2: 49:[44, 64] Operation: 71-7=64 Exploring Operation: 44+7=51, Resulting Numbers: [71, 51] Generated Node #0,1,3: 49:[71, 51] Operation: 44+7=51 Exploring Operation: 71-44=27, Resulting Numbers: [7, 27] Generated Node #0,1,4: 49:[7, 27] Operation: 71-44=27 Moving to Node #0,1,2 Current State: 49:[44, 64], Operations: ['47-40=7', '71-7=64'] Exploring Operation: 44+64=108, Resulting Numbers: [108] 108,49 unequal: No Solution Exploring Operation: 64-44=20, Resulting Numbers: [20] 20,49 unequal: No Solution Exploring Operation: 44*64=2816, Resulting Numbers: [2816] 2816,49 unequal: No Solution Moving to Node #0,1,4 Current State: 49:[7, 27], Operations: ['47-40=7', '71-44=27'] Exploring Operation: 7*27=189, Resulting Numbers: [189] 189,49 unequal: No Solution Exploring Operation: 7+27=34, Resulting Numbers: [34] 34,49 unequal: No Solution Exploring Operation: 27-7=20, Resulting Numbers: [20] 20,49 unequal: No Solution Moving to Node #0,1,3 Current State: 49:[71, 51], Operations: ['47-40=7', '44+7=51'] Exploring Operation: 71*51=3621, Resulting Numbers: [3621] 3621,49 unequal: No Solution Exploring Operation: 71+51=122, Resulting Numbers: [122] 122,49 unequal: No Solution Exploring Operation: 71-51=20, Resulting Numbers: [20] 20,49 unequal: No Solution Moving to Node #0,1,0 Current State: 49:[71, 37], Operations: ['47-40=7', '44-7=37'] Exploring Operation: 71*37=2627, Resulting Numbers: [2627] 2627,49 unequal: No Solution Exploring Operation: 71-37=34, Resulting Numbers: [34] 34,49 unequal: No Solution Exploring Operation: 71+37=108, Resulting Numbers: [108] 108,49 unequal: No Solution Moving to Node #0,1,1 Current State: 49:[44, 78], Operations: ['47-40=7', '71+7=78'] Exploring Operation: 44+78=122, Resulting Numbers: [122] 122,49 unequal: No Solution Exploring Operation: 44*78=3432, Resulting Numbers: [3432] 3432,49 unequal: No Solution Exploring Operation: 78-44=34, Resulting Numbers: [34] 34,49 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 #0,3 Current State: 49:[47, 71, 4], Operations: ['44-40=4'] Exploring Operation: 71+4=75, Resulting Numbers: [47, 75] Generated Node #0,3,0: 49:[47, 75] Operation: 71+4=75 Exploring Operation: 47+4=51, Resulting Numbers: [71, 51] Generated Node #0,3,1: 49:[71, 51] Operation: 47+4=51 Exploring Operation: 71-4=67, Resulting Numbers: [47, 67] Generated Node #0,3,2: 49:[47, 67] Operation: 71-4=67 Exploring Operation: 47-4=43, Resulting Numbers: [71, 43] Generated Node #0,3,3: 49:[71, 43] Operation: 47-4=43 Exploring Operation: 71-47=24, Resulting Numbers: [4, 24] Generated Node #0,3,4: 49:[4, 24] Operation: 71-47=24 Moving to Node #0,3,2 Current State: 49:[47, 67], Operations: ['44-40=4', '71-4=67'] Exploring Operation: 47+67=114, Resulting Numbers: [114] 114,49 unequal: No Solution Exploring Operation: 67-47=20, Resulting Numbers: [20] 20,49 unequal: No Solution Exploring Operation: 47*67=3149, Resulting Numbers: [3149] 3149,49 unequal: No Solution Moving to Node #0,3,4 Current State: 49:[4, 24], Operations: ['44-40=4', '71-47=24'] Exploring Operation: 4*24=96, Resulting Numbers: [96] 96,49 unequal: No Solution Exploring Operation: 24/4=6, Resulting Numbers: [6] 6,49 unequal: No Solution Exploring Operation: 24-4=20, Resulting Numbers: [20] 20,49 unequal: No Solution Exploring Operation: 4+24=28, Resulting Numbers: [28] 28,49 unequal: No Solution Moving to Node #0,3,1 Current State: 49:[71, 51], Operations: ['44-40=4', '47+4=51'] Exploring Operation: 71*51=3621, Resulting Numbers: [3621] 3621,49 unequal: No Solution Exploring Operation: 71-51=20, Resulting Numbers: [20] 20,49 unequal: No Solution Exploring Operation: 71+51=122, Resulting Numbers: [122] 122,49 unequal: No Solution Moving to Node #0,3,0 Current State: 49:[47, 75], Operations: ['44-40=4', '71+4=75'] Exploring Operation: 47*75=3525, Resulting Numbers: [3525] 3525,49 unequal: No Solution Exploring Operation: 75-47=28, Resulting Numbers: [28] 28,49 unequal: No Solution Exploring Operation: 47+75=122, Resulting Numbers: [122] 122,49 unequal: No Solution Moving to Node #0,3,3 Current State: 49:[71, 43], Operations: ['44-40=4', '47-4=43'] Exploring Operation: 71*43=3053, Resulting Numbers: [3053] 3053,49 unequal: No Solution Exploring Operation: 71-43=28, Resulting Numbers: [28] 28,49 unequal: No Solution Exploring Operation: 71+43=114, Resulting Numbers: [114] 114,49 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 Current State: 49:[44, 40, 24], Operations: ['71-47=24'] Exploring Operation: 44-24=20, Resulting Numbers: [40, 20] Generated Node #0,0,0: 49:[40, 20] Operation: 44-24=20 Exploring Operation: 40-24=16, Resulting Numbers: [44, 16] Generated Node #0,0,1: 49:[44, 16] Operation: 40-24=16 Exploring Operation: 44+24=68, Resulting Numbers: [40, 68] Generated Node #0,0,2: 49:[40, 68] Operation: 44+24=68 Exploring Operation: 40+24=64, Resulting Numbers: [44, 64] Generated Node #0,0,3: 49:[44, 64] Operation: 40+24=64 Exploring Operation: 44-40=4, Resulting Numbers: [24, 4] Generated Node #0,0,4: 49:[24, 4] Operation: 44-40=4 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 49:[44, 16], Operations: ['71-47=24', '40-24=16'] Exploring Operation: 44+16=60, Resulting Numbers: [60] 60,49 unequal: No Solution Exploring Operation: 44*16=704, Resulting Numbers: [704] 704,49 unequal: No Solution Exploring Operation: 44-16=28, Resulting Numbers: [28] 28,49 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:[44, 64], Operations: ['71-47=24', '40+24=64'] Exploring Operation: 44+64=108, Resulting Numbers: [108] 108,49 unequal: No Solution Exploring Operation: 64-44=20, Resulting Numbers: [20] 20,49 unequal: No Solution Exploring Operation: 44*64=2816, Resulting Numbers: [2816] 2816,49 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:[24, 4], Operations: ['71-47=24', '44-40=4'] Exploring Operation: 24*4=96, Resulting Numbers: [96] 96,49 unequal: No Solution Exploring Operation: 24+4=28, Resulting Numbers: [28] 28,49 unequal: No Solution Exploring Operation: 24-4=20, Resulting Numbers: [20] 20,49 unequal: No Solution Exploring Operation: 24/4=6, Resulting Numbers: [6] 6,49 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:[40, 20], Operations: ['71-47=24', '44-24=20'] Exploring Operation: 40*20=800, Resulting Numbers: [800] 800,49 unequal: No Solution Exploring Operation: 40+20=60, Resulting Numbers: [60] 60,49 unequal: No Solution Exploring Operation: 40/20=2, Resulting Numbers: [2] 2,49 unequal: No Solution Exploring Operation: 40-20=20, Resulting Numbers: [20] 20,49 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:[40, 68], Operations: ['71-47=24', '44+24=68'] Exploring Operation: 40*68=2720, Resulting Numbers: [2720] 2720,49 unequal: No Solution Exploring Operation: 40+68=108, Resulting Numbers: [108] 108,49 unequal: No Solution Exploring Operation: 68-40=28, Resulting Numbers: [28] 28,49 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:[47, 40, 27], Operations: ['71-44=27'] Exploring Operation: 47-40=7, Resulting Numbers: [27, 7] Generated Node #0,4,0: 49:[27, 7] Operation: 47-40=7 Exploring Operation: 47-27=20, Resulting Numbers: [40, 20] Generated Node #0,4,1: 49:[40, 20] Operation: 47-27=20 Exploring Operation: 47+27=74, Resulting Numbers: [40, 74] Generated Node #0,4,2: 49:[40, 74] Operation: 47+27=74 Exploring Operation: 40-27=13, Resulting Numbers: [47, 13] Generated Node #0,4,3: 49:[47, 13] Operation: 40-27=13 Exploring Operation: 40+27=67, Resulting Numbers: [47, 67] Generated Node #0,4,4: 49:[47, 67] Operation: 40+27=67 Moving to Node #0,4,3 Current State: 49:[47, 13], Operations: ['71-44=27', '40-27=13'] Exploring Operation: 47-13=34, Resulting Numbers: [34] 34,49 unequal: No Solution Exploring Operation: 47+13=60, Resulting Numbers: [60] 60,49 unequal: No Solution Exploring Operation: 47*13=611, Resulting Numbers: [611] 611,49 unequal: No Solution Moving to Node #0,4,4 Current State: 49:[47, 67], Operations: ['71-44=27', '40+27=67'] Exploring Operation: 47*67=3149, Resulting Numbers: [3149] 3149,49 unequal: No Solution Exploring Operation: 67-47=20, Resulting Numbers: [20] 20,49 unequal: No Solution Exploring Operation: 47+67=114, Resulting Numbers: [114] 114,49 unequal: No Solution Moving to Node #0,4,0 Current State: 49:[27, 7], Operations: ['71-44=27', '47-40=7'] Exploring Operation: 27+7=34, Resulting Numbers: [34] 34,49 unequal: No Solution Exploring Operation: 27*7=189, Resulting Numbers: [189] 189,49 unequal: No Solution Exploring Operation: 27-7=20, Resulting Numbers: [20] 20,49 unequal: No Solution Moving to Node #0,4,1 Current State: 49:[40, 20], Operations: ['71-44=27', '47-27=20'] Exploring Operation: 40*20=800, Resulting Numbers: [800] 800,49 unequal: No Solution Exploring Operation: 40/20=2, Resulting Numbers: [2] 2,49 unequal: No Solution Exploring Operation: 40+20=60, Resulting Numbers: [60] 60,49 unequal: No Solution Exploring Operation: 40-20=20, Resulting Numbers: [20] 20,49 unequal: No Solution Moving to Node #0,4,2 Current State: 49:[40, 74], Operations: ['71-44=27', '47+27=74'] Exploring Operation: 40+74=114, Resulting Numbers: [114] 114,49 unequal: No Solution Exploring Operation: 40*74=2960, Resulting Numbers: [2960] 2960,49 unequal: No Solution Exploring Operation: 74-40=34, Resulting Numbers: [34] 34,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
mult_heuristic
[ 28, 23, 70, 32 ]
43
[ "28-23=5", "70-32=38", "5+38=43" ]
Current State: 43:[28, 23, 70, 32], Operations: [] Exploring Operation: 28-23=5, Resulting Numbers: [70, 32, 5] Generated Node #2: [70, 32, 5] from Operation: 28-23=5 Current State: 43:[70, 32, 5], Operations: ['28-23=5'] Exploring Operation: 70-32=38, Resulting Numbers: [5, 38] Generated Node #3: [5, 38] from Operation: 70-32=38 Current State: 43:[5, 38], Operations: ['28-23=5', '70-32=38'] Exploring Operation: 5+38=43, Resulting Numbers: [43] 43,43 equal: Goal Reached
4
Current State: 43:[28, 23, 70, 32], Operations: [] Exploring Operation: 70-23=47, Resulting Numbers: [28, 32, 47] Generated Node #0,0: 43:[28, 32, 47] Operation: 70-23=47 Exploring Operation: 70-28=42, Resulting Numbers: [23, 32, 42] Generated Node #0,1: 43:[23, 32, 42] Operation: 70-28=42 Moving to Node #0,0 Current State: 43:[28, 32, 47], Operations: ['70-23=47'] Exploring Operation: 47-28=19, Resulting Numbers: [32, 19] Generated Node #0,0,0: 43:[32, 19] Operation: 47-28=19 Exploring Operation: 28+32=60, Resulting Numbers: [47, 60] Generated Node #0,0,1: 43:[47, 60] Operation: 28+32=60 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 43:[47, 60], Operations: ['70-23=47', '28+32=60'] Exploring Operation: 47+60=107, Resulting Numbers: [107] 107,43 unequal: No Solution Exploring Operation: 60-47=13, Resulting Numbers: [13] 13,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 43:[32, 19], Operations: ['70-23=47', '47-28=19'] Exploring Operation: 32+19=51, Resulting Numbers: [51] 51,43 unequal: No Solution Exploring Operation: 32-19=13, Resulting Numbers: [13] 13,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 43:[23, 32, 42], Operations: ['70-28=42'] Exploring Operation: 23+42=65, Resulting Numbers: [32, 65] Generated Node #0,1,0: 43:[32, 65] Operation: 23+42=65 Exploring Operation: 23+32=55, Resulting Numbers: [42, 55] Generated Node #0,1,1: 43:[42, 55] Operation: 23+32=55 Moving to Node #0,1,1 Current State: 43:[42, 55], Operations: ['70-28=42', '23+32=55'] Exploring Operation: 55-42=13, Resulting Numbers: [13] 13,43 unequal: No Solution Exploring Operation: 42+55=97, Resulting Numbers: [97] 97,43 unequal: No Solution Moving to Node #0,1,0 Current State: 43:[32, 65], Operations: ['70-28=42', '23+42=65'] Exploring Operation: 32+65=97, Resulting Numbers: [97] 97,43 unequal: No Solution Exploring Operation: 65-32=33, Resulting Numbers: [33] 33,43 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 44, 46, 73, 65 ]
41
[ "73+65=138", "138/46=3", "44-3=41" ]
Current State: 41:[44, 46, 73, 65], Operations: [] Exploring Operation: 73+65=138, Resulting Numbers: [44, 46, 138] Generated Node #2: [44, 46, 138] from Operation: 73+65=138 Current State: 41:[44, 46, 138], Operations: ['73+65=138'] Exploring Operation: 138/46=3, Resulting Numbers: [44, 3] Generated Node #3: [44, 3] from Operation: 138/46=3 Current State: 41:[44, 3], Operations: ['73+65=138', '138/46=3'] Exploring Operation: 44-3=41, Resulting Numbers: [41] 41,41 equal: Goal Reached
4
Current State: 41:[44, 46, 73, 65], Operations: [] Exploring Operation: 73-46=27, Resulting Numbers: [44, 65, 27] Generated Node #0,0: 41:[44, 65, 27] Operation: 73-46=27 Exploring Operation: 73-44=29, Resulting Numbers: [46, 65, 29] Generated Node #0,1: 41:[46, 65, 29] Operation: 73-44=29 Start Sub Search at level 1: Moving to Node #0,0 Current State: 41:[44, 65, 27], Operations: ['73-46=27'] Exploring Operation: 65-27=38, Resulting Numbers: [44, 38] Generated Node #0,0,0: 41:[44, 38] Operation: 65-27=38 Exploring Operation: 65-44=21, Resulting Numbers: [27, 21] Generated Node #0,0,1: 41:[27, 21] Operation: 65-44=21 Moving to Node #0,0,0 Current State: 41:[44, 38], Operations: ['73-46=27', '65-27=38'] Exploring Operation: 44+38=82, Resulting Numbers: [82] 82,41 unequal: No Solution Exploring Operation: 44-38=6, Resulting Numbers: [6] 6,41 unequal: No Solution Moving to Node #0,0,1 Current State: 41:[27, 21], Operations: ['73-46=27', '65-44=21'] Exploring Operation: 27+21=48, Resulting Numbers: [48] 48,41 unequal: No Solution Exploring Operation: 27-21=6, Resulting Numbers: [6] 6,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 41:[46, 65, 29], Operations: ['73-44=29'] Exploring Operation: 65-29=36, Resulting Numbers: [46, 36] Generated Node #0,1,0: 41:[46, 36] Operation: 65-29=36 Exploring Operation: 65-46=19, Resulting Numbers: [29, 19] Generated Node #0,1,1: 41:[29, 19] Operation: 65-46=19 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 41:[46, 36], Operations: ['73-44=29', '65-29=36'] Exploring Operation: 46+36=82, Resulting Numbers: [82] 82,41 unequal: No Solution Exploring Operation: 46-36=10, Resulting Numbers: [10] 10,41 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 41:[29, 19], Operations: ['73-44=29', '65-46=19'] Exploring Operation: 29+19=48, Resulting Numbers: [48] 48,41 unequal: No Solution Exploring Operation: 29-19=10, Resulting Numbers: [10] 10,41 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 82, 41, 96, 22 ]
70
[ "82/41=2", "96/2=48", "22+48=70" ]
Current State: 70:[82, 41, 96, 22], Operations: [] Exploring Operation: 82/41=2, Resulting Numbers: [96, 22, 2] Generated Node #2: [96, 22, 2] from Operation: 82/41=2 Current State: 70:[96, 22, 2], Operations: ['82/41=2'] Exploring Operation: 96/2=48, Resulting Numbers: [22, 48] Generated Node #3: [22, 48] from Operation: 96/2=48 Current State: 70:[22, 48], Operations: ['82/41=2', '96/2=48'] Exploring Operation: 22+48=70, Resulting Numbers: [70] 70,70 equal: Goal Reached
4
Current State: 70:[82, 41, 96, 22], Operations: [] Exploring Operation: 96-82=14, Resulting Numbers: [41, 22, 14] Generated Node #0,0: 70:[41, 22, 14] Operation: 96-82=14 Exploring Operation: 96-22=74, Resulting Numbers: [82, 41, 74] Generated Node #0,1: 70:[82, 41, 74] Operation: 96-22=74 Exploring Operation: 82/41=2, Resulting Numbers: [96, 22, 2] Generated Node #0,2: 70:[96, 22, 2] Operation: 82/41=2 Moving to Node #0,0 Current State: 70:[41, 22, 14], Operations: ['96-82=14'] Exploring Operation: 22+14=36, Resulting Numbers: [41, 36] Generated Node #0,0,0: 70:[41, 36] Operation: 22+14=36 Exploring Operation: 41+22=63, Resulting Numbers: [14, 63] Generated Node #0,0,1: 70:[14, 63] Operation: 41+22=63 Exploring Operation: 41-22=19, Resulting Numbers: [14, 19] Generated Node #0,0,2: 70:[14, 19] Operation: 41-22=19 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 70:[14, 19], Operations: ['96-82=14', '41-22=19'] Exploring Operation: 14+19=33, Resulting Numbers: [33] 33,70 unequal: No Solution Exploring Operation: 14*19=266, Resulting Numbers: [266] 266,70 unequal: No Solution Exploring Operation: 19-14=5, Resulting Numbers: [5] 5,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 70:[41, 36], Operations: ['96-82=14', '22+14=36'] Exploring Operation: 41+36=77, Resulting Numbers: [77] 77,70 unequal: No Solution Exploring Operation: 41*36=1476, Resulting Numbers: [1476] 1476,70 unequal: No Solution Exploring Operation: 41-36=5, Resulting Numbers: [5] 5,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 70:[14, 63], Operations: ['96-82=14', '41+22=63'] Exploring Operation: 14+63=77, Resulting Numbers: [77] 77,70 unequal: No Solution Exploring Operation: 63-14=49, Resulting Numbers: [49] 49,70 unequal: No Solution Exploring Operation: 14*63=882, Resulting Numbers: [882] 882,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 70:[82, 41, 74], Operations: ['96-22=74'] Exploring Operation: 82-41=41, Resulting Numbers: [74, 41] Generated Node #0,1,0: 70:[74, 41] Operation: 82-41=41 Exploring Operation: 82-74=8, Resulting Numbers: [41, 8] Generated Node #0,1,1: 70:[41, 8] Operation: 82-74=8 Exploring Operation: 82/41=2, Resulting Numbers: [74, 2] Generated Node #0,1,2: 70:[74, 2] Operation: 82/41=2 Moving to Node #0,2 Current State: 70:[96, 22, 2], Operations: ['82/41=2'] Exploring Operation: 96-22=74, Resulting Numbers: [2, 74] Generated Node #0,2,0: 70:[2, 74] Operation: 96-22=74 Exploring Operation: 96/2=48, Resulting Numbers: [22, 48] Generated Node #0,2,1: 70:[22, 48] Operation: 96/2=48 Exploring Operation: 22/2=11, Resulting Numbers: [96, 11] Generated Node #0,2,2: 70:[96, 11] Operation: 22/2=11 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 70:[2, 74], Operations: ['82/41=2', '96-22=74'] Exploring Operation: 74-2=72, Resulting Numbers: [72] 72,70 unequal: No Solution Exploring Operation: 2+74=76, Resulting Numbers: [76] 76,70 unequal: No Solution Exploring Operation: 74/2=37, Resulting Numbers: [37] 37,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 70:[22, 48], Operations: ['82/41=2', '96/2=48'] Exploring Operation: 22*48=1056, Resulting Numbers: [1056] 1056,70 unequal: No Solution Exploring Operation: 48-22=26, Resulting Numbers: [26] 26,70 unequal: No Solution Exploring Operation: 22+48=70, Resulting Numbers: [70] 70,70 equal: Goal Reached Moving to Node #0 Current State: 70:[82, 41, 96, 22], Operations: [] Exploring Operation: 82/41=2, Resulting Numbers: [96, 22, 2] Generated Node #0,2: 70:[96, 22, 2] Operation: 82/41=2 Moving to Node #0,2 Current State: 70:[96, 22, 2], Operations: ['82/41=2'] Exploring Operation: 96/2=48, Resulting Numbers: [22, 48] Generated Node #0,2,1: 70:[22, 48] Operation: 96/2=48 Moving to Node #0,2,1 Current State: 70:[22, 48], Operations: ['82/41=2', '96/2=48'] Exploring Operation: 22+48=70, Resulting Numbers: [70] 70,70 equal: Goal Reached Exit Sub Search at level 1
0.97309
hs_3
mult_heuristic
[ 84, 95, 6, 97 ]
88
[ "84+95=179", "97-6=91", "179-91=88" ]
Current State: 88:[84, 95, 6, 97], Operations: [] Exploring Operation: 84+95=179, Resulting Numbers: [6, 97, 179] Generated Node #2: [6, 97, 179] from Operation: 84+95=179 Current State: 88:[6, 97, 179], Operations: ['84+95=179'] Exploring Operation: 97-6=91, Resulting Numbers: [179, 91] Generated Node #3: [179, 91] from Operation: 97-6=91 Current State: 88:[179, 91], Operations: ['84+95=179', '97-6=91'] Exploring Operation: 179-91=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
4
Current State: 88:[84, 95, 6, 97], Operations: [] Exploring Operation: 97-95=2, Resulting Numbers: [84, 6, 2] Generated Node #0,0: 88:[84, 6, 2] Operation: 97-95=2 Exploring Operation: 95-84=11, Resulting Numbers: [6, 97, 11] Generated Node #0,1: 88:[6, 97, 11] Operation: 95-84=11 Exploring Operation: 97-84=13, Resulting Numbers: [95, 6, 13] Generated Node #0,2: 88:[95, 6, 13] Operation: 97-84=13 Moving to Node #0,0 Current State: 88:[84, 6, 2], Operations: ['97-95=2'] Exploring Operation: 84+6=90, Resulting Numbers: [2, 90] Generated Node #0,0,0: 88:[2, 90] Operation: 84+6=90 Exploring Operation: 84/6=14, Resulting Numbers: [2, 14] Generated Node #0,0,1: 88:[2, 14] Operation: 84/6=14 Exploring Operation: 84+2=86, Resulting Numbers: [6, 86] Generated Node #0,0,2: 88:[6, 86] Operation: 84+2=86 Moving to Node #0,1 Current State: 88:[6, 97, 11], Operations: ['95-84=11'] Exploring Operation: 97-6=91, Resulting Numbers: [11, 91] Generated Node #0,1,0: 88:[11, 91] Operation: 97-6=91 Exploring Operation: 11-6=5, Resulting Numbers: [97, 5] Generated Node #0,1,1: 88:[97, 5] Operation: 11-6=5 Exploring Operation: 97-11=86, Resulting Numbers: [6, 86] Generated Node #0,1,2: 88:[6, 86] Operation: 97-11=86 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 88:[11, 91], Operations: ['95-84=11', '97-6=91'] Exploring Operation: 11+91=102, Resulting Numbers: [102] 102,88 unequal: No Solution Exploring Operation: 11*91=1001, Resulting Numbers: [1001] 1001,88 unequal: No Solution Exploring Operation: 91-11=80, Resulting Numbers: [80] 80,88 unequal: No Solution No 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: 88:[6, 86], Operations: ['95-84=11', '97-11=86'] Exploring Operation: 86-6=80, Resulting Numbers: [80] 80,88 unequal: No Solution Exploring Operation: 6+86=92, Resulting Numbers: [92] 92,88 unequal: No Solution Exploring Operation: 6*86=516, Resulting Numbers: [516] 516,88 unequal: No Solution No 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: 88:[97, 5], Operations: ['95-84=11', '11-6=5'] Exploring Operation: 97+5=102, Resulting Numbers: [102] 102,88 unequal: No Solution Exploring Operation: 97*5=485, Resulting Numbers: [485] 485,88 unequal: No Solution Exploring Operation: 97-5=92, Resulting Numbers: [92] 92,88 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: 88:[95, 6, 13], Operations: ['97-84=13'] Exploring Operation: 95-6=89, Resulting Numbers: [13, 89] Generated Node #0,2,0: 88:[13, 89] Operation: 95-6=89 Exploring Operation: 13-6=7, Resulting Numbers: [95, 7] Generated Node #0,2,1: 88:[95, 7] Operation: 13-6=7 Exploring Operation: 95-13=82, Resulting Numbers: [6, 82] Generated Node #0,2,2: 88:[6, 82] Operation: 95-13=82 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 88:[13, 89], Operations: ['97-84=13', '95-6=89'] Exploring Operation: 13*89=1157, Resulting Numbers: [1157] 1157,88 unequal: No Solution Exploring Operation: 13+89=102, Resulting Numbers: [102] 102,88 unequal: No Solution Exploring Operation: 89-13=76, Resulting Numbers: [76] 76,88 unequal: No Solution No 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: 88:[95, 7], Operations: ['97-84=13', '13-6=7'] Exploring Operation: 95*7=665, Resulting Numbers: [665] 665,88 unequal: No Solution Exploring Operation: 95-7=88, Resulting Numbers: [88] 88,88 equal: Goal Reached Moving to Node #0 Current State: 88:[84, 95, 6, 97], Operations: [] Exploring Operation: 97-84=13, Resulting Numbers: [95, 6, 13] Generated Node #0,2: 88:[95, 6, 13] Operation: 97-84=13 Moving to Node #0,2 Current State: 88:[95, 6, 13], Operations: ['97-84=13'] Exploring Operation: 13-6=7, Resulting Numbers: [95, 7] Generated Node #0,2,1: 88:[95, 7] Operation: 13-6=7 Moving to Node #0,2,1 Current State: 88:[95, 7], Operations: ['97-84=13', '13-6=7'] Exploring Operation: 95-7=88, Resulting Numbers: [88] 88,88 equal: Goal Reached Exit Sub Search at level 1
0.973958
hs_3
sum_heuristic
[ 50, 75, 6, 92 ]
73
[ "75-50=25", "6+92=98", "98-25=73" ]
Current State: 73:[50, 75, 6, 92], Operations: [] Exploring Operation: 75-50=25, Resulting Numbers: [6, 92, 25] Generated Node #2: [6, 92, 25] from Operation: 75-50=25 Current State: 73:[6, 92, 25], Operations: ['75-50=25'] Exploring Operation: 6+92=98, Resulting Numbers: [25, 98] Generated Node #3: [25, 98] from Operation: 6+92=98 Current State: 73:[25, 98], Operations: ['75-50=25', '6+92=98'] Exploring Operation: 98-25=73, Resulting Numbers: [73] 73,73 equal: Goal Reached
4
Current State: 73:[50, 75, 6, 92], Operations: [] Exploring Operation: 50+6=56, Resulting Numbers: [75, 92, 56] Generated Node #0,0: 73:[75, 92, 56] Operation: 50+6=56 Exploring Operation: 92-6=86, Resulting Numbers: [50, 75, 86] Generated Node #0,1: 73:[50, 75, 86] Operation: 92-6=86 Exploring Operation: 75-6=69, Resulting Numbers: [50, 92, 69] Generated Node #0,2: 73:[50, 92, 69] Operation: 75-6=69 Moving to Node #0,0 Current State: 73:[75, 92, 56], Operations: ['50+6=56'] Exploring Operation: 75-56=19, Resulting Numbers: [92, 19] Generated Node #0,0,0: 73:[92, 19] Operation: 75-56=19 Exploring Operation: 92-75=17, Resulting Numbers: [56, 17] Generated Node #0,0,1: 73:[56, 17] Operation: 92-75=17 Exploring Operation: 92-56=36, Resulting Numbers: [75, 36] Generated Node #0,0,2: 73:[75, 36] Operation: 92-56=36 Moving to Node #0,1 Current State: 73:[50, 75, 86], Operations: ['92-6=86'] Exploring Operation: 86-50=36, Resulting Numbers: [75, 36] Generated Node #0,1,0: 73:[75, 36] Operation: 86-50=36 Exploring Operation: 75-50=25, Resulting Numbers: [86, 25] Generated Node #0,1,1: 73:[86, 25] Operation: 75-50=25 Exploring Operation: 50+75=125, Resulting Numbers: [86, 125] Generated Node #0,1,2: 73:[86, 125] Operation: 50+75=125 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 73:[75, 36], Operations: ['92-6=86', '86-50=36'] Exploring Operation: 75*36=2700, Resulting Numbers: [2700] 2700,73 unequal: No Solution Exploring Operation: 75-36=39, Resulting Numbers: [39] 39,73 unequal: No Solution Exploring Operation: 75+36=111, Resulting Numbers: [111] 111,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 73:[86, 25], Operations: ['92-6=86', '75-50=25'] Exploring Operation: 86-25=61, Resulting Numbers: [61] 61,73 unequal: No Solution Exploring Operation: 86+25=111, Resulting Numbers: [111] 111,73 unequal: No Solution Exploring Operation: 86*25=2150, Resulting Numbers: [2150] 2150,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 73:[86, 125], Operations: ['92-6=86', '50+75=125'] Exploring Operation: 86*125=10750, Resulting Numbers: [10750] 10750,73 unequal: No Solution Exploring Operation: 125-86=39, Resulting Numbers: [39] 39,73 unequal: No Solution Exploring Operation: 86+125=211, Resulting Numbers: [211] 211,73 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: 73:[50, 92, 69], Operations: ['75-6=69'] Exploring Operation: 50+92=142, Resulting Numbers: [69, 142] Generated Node #0,2,0: 73:[69, 142] Operation: 50+92=142 Exploring Operation: 92-50=42, Resulting Numbers: [69, 42] Generated Node #0,2,1: 73:[69, 42] Operation: 92-50=42 Exploring Operation: 50+69=119, Resulting Numbers: [92, 119] Generated Node #0,2,2: 73:[92, 119] Operation: 50+69=119 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 73:[69, 42], Operations: ['75-6=69', '92-50=42'] Exploring Operation: 69+42=111, Resulting Numbers: [111] 111,73 unequal: No Solution Exploring Operation: 69*42=2898, Resulting Numbers: [2898] 2898,73 unequal: No Solution Exploring Operation: 69-42=27, Resulting Numbers: [27] 27,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 73:[92, 119], Operations: ['75-6=69', '50+69=119'] Exploring Operation: 92*119=10948, Resulting Numbers: [10948] 10948,73 unequal: No Solution Exploring Operation: 92+119=211, Resulting Numbers: [211] 211,73 unequal: No Solution Exploring Operation: 119-92=27, Resulting Numbers: [27] 27,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 73:[69, 142], Operations: ['75-6=69', '50+92=142'] Exploring Operation: 142-69=73, Resulting Numbers: [73] 73,73 equal: Goal Reached Moving to Node #0 Current State: 73:[50, 75, 6, 92], Operations: [] Exploring Operation: 75-6=69, Resulting Numbers: [50, 92, 69] Generated Node #0,2: 73:[50, 92, 69] Operation: 75-6=69 Moving to Node #0,2 Current State: 73:[50, 92, 69], Operations: ['75-6=69'] Exploring Operation: 50+92=142, Resulting Numbers: [69, 142] Generated Node #0,2,0: 73:[69, 142] Operation: 50+92=142 Moving to Node #0,2,0 Current State: 73:[69, 142], Operations: ['75-6=69', '50+92=142'] Exploring Operation: 142-69=73, Resulting Numbers: [73] 73,73 equal: Goal Reached Exit Sub Search at level 1
0.972222
hs_3
sum_heuristic
[ 49, 35, 65, 6 ]
85
[ "49-35=14", "65+6=71", "14+71=85" ]
Current State: 85:[49, 35, 65, 6], Operations: [] Exploring Operation: 49-35=14, Resulting Numbers: [65, 6, 14] Generated Node #2: [65, 6, 14] from Operation: 49-35=14 Current State: 85:[65, 6, 14], Operations: ['49-35=14'] Exploring Operation: 65+6=71, Resulting Numbers: [14, 71] Generated Node #3: [14, 71] from Operation: 65+6=71 Current State: 85:[14, 71], Operations: ['49-35=14', '65+6=71'] Exploring Operation: 14+71=85, Resulting Numbers: [85] 85,85 equal: Goal Reached
4
Current State: 85:[49, 35, 65, 6], Operations: [] Exploring Operation: 49+35=84, Resulting Numbers: [65, 6, 84] Generated Node #0,0: 85:[65, 6, 84] Operation: 49+35=84 Exploring Operation: 65-49=16, Resulting Numbers: [35, 6, 16] Generated Node #0,1: 85:[35, 6, 16] Operation: 65-49=16 Start Sub Search at level 1: Moving to Node #0,1 Current State: 85:[35, 6, 16], Operations: ['65-49=16'] Exploring Operation: 35-6=29, Resulting Numbers: [16, 29] Generated Node #0,1,0: 85:[16, 29] Operation: 35-6=29 Exploring Operation: 35-16=19, Resulting Numbers: [6, 19] Generated Node #0,1,1: 85:[6, 19] Operation: 35-16=19 Moving to Node #0,1,1 Current State: 85:[6, 19], Operations: ['65-49=16', '35-16=19'] Exploring Operation: 6+19=25, Resulting Numbers: [25] 25,85 unequal: No Solution Exploring Operation: 19-6=13, Resulting Numbers: [13] 13,85 unequal: No Solution Moving to Node #0,1,0 Current State: 85:[16, 29], Operations: ['65-49=16', '35-6=29'] Exploring Operation: 16+29=45, Resulting Numbers: [45] 45,85 unequal: No Solution Exploring Operation: 29-16=13, Resulting Numbers: [13] 13,85 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 #0,0 Current State: 85:[65, 6, 84], Operations: ['49+35=84'] Exploring Operation: 84-65=19, Resulting Numbers: [6, 19] Generated Node #0,0,0: 85:[6, 19] Operation: 84-65=19 Exploring Operation: 65+6=71, Resulting Numbers: [84, 71] Generated Node #0,0,1: 85:[84, 71] Operation: 65+6=71 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 85:[6, 19], Operations: ['49+35=84', '84-65=19'] Exploring Operation: 6+19=25, Resulting Numbers: [25] 25,85 unequal: No Solution Exploring Operation: 19-6=13, Resulting Numbers: [13] 13,85 unequal: No Solution No 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: 85:[84, 71], Operations: ['49+35=84', '65+6=71'] Exploring Operation: 84+71=155, Resulting Numbers: [155] 155,85 unequal: No Solution Exploring Operation: 84-71=13, Resulting Numbers: [13] 13,85 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 34, 72, 69, 93 ]
82
[ "34+72=106", "93-69=24", "106-24=82" ]
Current State: 82:[34, 72, 69, 93], Operations: [] Exploring Operation: 34+72=106, Resulting Numbers: [69, 93, 106] Generated Node #2: [69, 93, 106] from Operation: 34+72=106 Current State: 82:[69, 93, 106], Operations: ['34+72=106'] Exploring Operation: 93-69=24, Resulting Numbers: [106, 24] Generated Node #3: [106, 24] from Operation: 93-69=24 Current State: 82:[106, 24], Operations: ['34+72=106', '93-69=24'] Exploring Operation: 106-24=82, Resulting Numbers: [82] 82,82 equal: Goal Reached
4
Current State: 82:[34, 72, 69, 93], Operations: [] Exploring Operation: 72-34=38, Resulting Numbers: [69, 93, 38] Generated Node #0,0: 82:[69, 93, 38] Operation: 72-34=38 Exploring Operation: 93-69=24, Resulting Numbers: [34, 72, 24] Generated Node #0,1: 82:[34, 72, 24] Operation: 93-69=24 Exploring Operation: 69-34=35, Resulting Numbers: [72, 93, 35] Generated Node #0,2: 82:[72, 93, 35] Operation: 69-34=35 Exploring Operation: 72-69=3, Resulting Numbers: [34, 93, 3] Generated Node #0,3: 82:[34, 93, 3] Operation: 72-69=3 Start Sub Search at level 1: Moving to Node #0,3 Current State: 82:[34, 93, 3], Operations: ['72-69=3'] Exploring Operation: 93-34=59, Resulting Numbers: [3, 59] Generated Node #0,3,0: 82:[3, 59] Operation: 93-34=59 Exploring Operation: 34+3=37, Resulting Numbers: [93, 37] Generated Node #0,3,1: 82:[93, 37] Operation: 34+3=37 Exploring Operation: 93/3=31, Resulting Numbers: [34, 31] Generated Node #0,3,2: 82:[34, 31] Operation: 93/3=31 Exploring Operation: 93-3=90, Resulting Numbers: [34, 90] Generated Node #0,3,3: 82:[34, 90] Operation: 93-3=90 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 82:[93, 37], Operations: ['72-69=3', '34+3=37'] Exploring Operation: 93+37=130, Resulting Numbers: [130] 130,82 unequal: No Solution Exploring Operation: 93*37=3441, Resulting Numbers: [3441] 3441,82 unequal: No Solution Exploring Operation: 93-37=56, Resulting Numbers: [56] 56,82 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:[34, 90], Operations: ['72-69=3', '93-3=90'] Exploring Operation: 34*90=3060, Resulting Numbers: [3060] 3060,82 unequal: No Solution Exploring Operation: 90-34=56, Resulting Numbers: [56] 56,82 unequal: No Solution Exploring Operation: 34+90=124, Resulting Numbers: [124] 124,82 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:[34, 31], Operations: ['72-69=3', '93/3=31'] Exploring Operation: 34-31=3, Resulting Numbers: [3] 3,82 unequal: No Solution Exploring Operation: 34*31=1054, Resulting Numbers: [1054] 1054,82 unequal: No Solution Exploring Operation: 34+31=65, Resulting Numbers: [65] 65,82 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:[3, 59], Operations: ['72-69=3', '93-34=59'] Exploring Operation: 3*59=177, Resulting Numbers: [177] 177,82 unequal: No Solution Exploring Operation: 3+59=62, Resulting Numbers: [62] 62,82 unequal: No Solution Exploring Operation: 59-3=56, Resulting Numbers: [56] 56,82 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:[69, 93, 38], Operations: ['72-34=38'] Exploring Operation: 69+38=107, Resulting Numbers: [93, 107] Generated Node #0,0,0: 82:[93, 107] Operation: 69+38=107 Exploring Operation: 93-38=55, Resulting Numbers: [69, 55] Generated Node #0,0,1: 82:[69, 55] Operation: 93-38=55 Exploring Operation: 93-69=24, Resulting Numbers: [38, 24] Generated Node #0,0,2: 82:[38, 24] Operation: 93-69=24 Exploring Operation: 69-38=31, Resulting Numbers: [93, 31] Generated Node #0,0,3: 82:[93, 31] Operation: 69-38=31 Moving to Node #0,0,2 Current State: 82:[38, 24], Operations: ['72-34=38', '93-69=24'] Exploring Operation: 38+24=62, Resulting Numbers: [62] 62,82 unequal: No Solution Exploring Operation: 38*24=912, Resulting Numbers: [912] 912,82 unequal: No Solution Exploring Operation: 38-24=14, Resulting Numbers: [14] 14,82 unequal: No Solution Moving to Node #0,0,3 Current State: 82:[93, 31], Operations: ['72-34=38', '69-38=31'] Exploring Operation: 93*31=2883, Resulting Numbers: [2883] 2883,82 unequal: No Solution Exploring Operation: 93/31=3, Resulting Numbers: [3] 3,82 unequal: No Solution Exploring Operation: 93+31=124, Resulting Numbers: [124] 124,82 unequal: No Solution Exploring Operation: 93-31=62, Resulting Numbers: [62] 62,82 unequal: No Solution Moving to Node #0,0,1 Current State: 82:[69, 55], Operations: ['72-34=38', '93-38=55'] Exploring Operation: 69+55=124, Resulting Numbers: [124] 124,82 unequal: No Solution Exploring Operation: 69*55=3795, Resulting Numbers: [3795] 3795,82 unequal: No Solution Exploring Operation: 69-55=14, Resulting Numbers: [14] 14,82 unequal: No Solution Moving to Node #0,0,0 Current State: 82:[93, 107], Operations: ['72-34=38', '69+38=107'] Exploring Operation: 93+107=200, Resulting Numbers: [200] 200,82 unequal: No Solution Exploring Operation: 107-93=14, Resulting Numbers: [14] 14,82 unequal: No Solution Exploring Operation: 93*107=9951, Resulting Numbers: [9951] 9951,82 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 #0,2 Current State: 82:[72, 93, 35], Operations: ['69-34=35'] Exploring Operation: 93-72=21, Resulting Numbers: [35, 21] Generated Node #0,2,0: 82:[35, 21] Operation: 93-72=21 Exploring Operation: 93-35=58, Resulting Numbers: [72, 58] Generated Node #0,2,1: 82:[72, 58] Operation: 93-35=58 Exploring Operation: 72-35=37, Resulting Numbers: [93, 37] Generated Node #0,2,2: 82:[93, 37] Operation: 72-35=37 Exploring Operation: 72+35=107, Resulting Numbers: [93, 107] Generated Node #0,2,3: 82:[93, 107] Operation: 72+35=107 Moving to Node #0,2,2 Current State: 82:[93, 37], Operations: ['69-34=35', '72-35=37'] Exploring Operation: 93*37=3441, Resulting Numbers: [3441] 3441,82 unequal: No Solution Exploring Operation: 93+37=130, Resulting Numbers: [130] 130,82 unequal: No Solution Exploring Operation: 93-37=56, Resulting Numbers: [56] 56,82 unequal: No Solution Moving to Node #0,2,0 Current State: 82:[35, 21], Operations: ['69-34=35', '93-72=21'] Exploring Operation: 35+21=56, Resulting Numbers: [56] 56,82 unequal: No Solution Exploring Operation: 35-21=14, Resulting Numbers: [14] 14,82 unequal: No Solution Exploring Operation: 35*21=735, Resulting Numbers: [735] 735,82 unequal: No Solution Moving to Node #0,2,1 Current State: 82:[72, 58], Operations: ['69-34=35', '93-35=58'] Exploring Operation: 72*58=4176, Resulting Numbers: [4176] 4176,82 unequal: No Solution Exploring Operation: 72+58=130, Resulting Numbers: [130] 130,82 unequal: No Solution Exploring Operation: 72-58=14, Resulting Numbers: [14] 14,82 unequal: No Solution Moving to Node #0,2,3 Current State: 82:[93, 107], Operations: ['69-34=35', '72+35=107'] Exploring Operation: 93*107=9951, Resulting Numbers: [9951] 9951,82 unequal: No Solution Exploring Operation: 107-93=14, Resulting Numbers: [14] 14,82 unequal: No Solution Exploring Operation: 93+107=200, Resulting Numbers: [200] 200,82 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 #0,1 Current State: 82:[34, 72, 24], Operations: ['93-69=24'] Exploring Operation: 72-24=48, Resulting Numbers: [34, 48] Generated Node #0,1,0: 82:[34, 48] Operation: 72-24=48 Exploring Operation: 72/24=3, Resulting Numbers: [34, 3] Generated Node #0,1,1: 82:[34, 3] Operation: 72/24=3 Exploring Operation: 72-34=38, Resulting Numbers: [24, 38] Generated Node #0,1,2: 82:[24, 38] Operation: 72-34=38 Exploring Operation: 34-24=10, Resulting Numbers: [72, 10] Generated Node #0,1,3: 82:[72, 10] Operation: 34-24=10 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 82:[34, 3], Operations: ['93-69=24', '72/24=3'] Exploring Operation: 34-3=31, Resulting Numbers: [31] 31,82 unequal: No Solution Exploring Operation: 34+3=37, Resulting Numbers: [37] 37,82 unequal: No Solution Exploring Operation: 34*3=102, Resulting Numbers: [102] 102,82 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 #0,1,0 Current State: 82:[34, 48], Operations: ['93-69=24', '72-24=48'] Exploring Operation: 34+48=82, Resulting Numbers: [82] 82,82 equal: Goal Reached Moving to Node #0 Current State: 82:[34, 72, 69, 93], Operations: [] Exploring Operation: 93-69=24, Resulting Numbers: [34, 72, 24] Generated Node #0,1: 82:[34, 72, 24] Operation: 93-69=24 Moving to Node #0,1 Current State: 82:[34, 72, 24], Operations: ['93-69=24'] Exploring Operation: 72-24=48, Resulting Numbers: [34, 48] Generated Node #0,1,0: 82:[34, 48] Operation: 72-24=48 Moving to Node #0,1,0 Current State: 82:[34, 48], Operations: ['93-69=24', '72-24=48'] Exploring Operation: 34+48=82, Resulting Numbers: [82] 82,82 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.943576
hs_4
mult_heuristic
[ 10, 82, 68, 79 ]
61
[ "82-10=72", "79-68=11", "72-11=61" ]
Current State: 61:[10, 82, 68, 79], Operations: [] Exploring Operation: 82-10=72, Resulting Numbers: [68, 79, 72] Generated Node #2: [68, 79, 72] from Operation: 82-10=72 Current State: 61:[68, 79, 72], Operations: ['82-10=72'] Exploring Operation: 79-68=11, Resulting Numbers: [72, 11] Generated Node #3: [72, 11] from Operation: 79-68=11 Current State: 61:[72, 11], Operations: ['82-10=72', '79-68=11'] Exploring Operation: 72-11=61, Resulting Numbers: [61] 61,61 equal: Goal Reached
4
Current State: 61:[10, 82, 68, 79], Operations: [] Exploring Operation: 68-10=58, Resulting Numbers: [82, 79, 58] Generated Node #0,0: 61:[82, 79, 58] Operation: 68-10=58 Exploring Operation: 79-10=69, Resulting Numbers: [82, 68, 69] Generated Node #0,1: 61:[82, 68, 69] Operation: 79-10=69 Exploring Operation: 10+82=92, Resulting Numbers: [68, 79, 92] Generated Node #0,2: 61:[68, 79, 92] Operation: 10+82=92 Exploring Operation: 82-10=72, Resulting Numbers: [68, 79, 72] Generated Node #0,3: 61:[68, 79, 72] Operation: 82-10=72 Start Sub Search at level 1: Moving to Node #0,1 Current State: 61:[82, 68, 69], Operations: ['79-10=69'] Exploring Operation: 69-68=1, Resulting Numbers: [82, 1] Generated Node #0,1,0: 61:[82, 1] Operation: 69-68=1 Exploring Operation: 82-69=13, Resulting Numbers: [68, 13] Generated Node #0,1,1: 61:[68, 13] Operation: 82-69=13 Exploring Operation: 82-68=14, Resulting Numbers: [69, 14] Generated Node #0,1,2: 61:[69, 14] Operation: 82-68=14 Exploring Operation: 82+68=150, Resulting Numbers: [69, 150] Generated Node #0,1,3: 61:[69, 150] Operation: 82+68=150 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 61:[68, 13], Operations: ['79-10=69', '82-69=13'] Exploring Operation: 68*13=884, Resulting Numbers: [884] 884,61 unequal: No Solution Exploring Operation: 68+13=81, Resulting Numbers: [81] 81,61 unequal: No Solution Exploring Operation: 68-13=55, Resulting Numbers: [55] 55,61 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:[69, 14], Operations: ['79-10=69', '82-68=14'] Exploring Operation: 69+14=83, Resulting Numbers: [83] 83,61 unequal: No Solution Exploring Operation: 69*14=966, Resulting Numbers: [966] 966,61 unequal: No Solution Exploring Operation: 69-14=55, Resulting Numbers: [55] 55,61 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:[82, 1], Operations: ['79-10=69', '69-68=1'] Exploring Operation: 82-1=81, Resulting Numbers: [81] 81,61 unequal: No Solution Exploring Operation: 82+1=83, Resulting Numbers: [83] 83,61 unequal: No Solution Exploring Operation: 82/1=82, Resulting Numbers: [82] 82,61 unequal: No Solution Exploring Operation: 82*1=82, Resulting Numbers: [82] 82,61 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:[69, 150], Operations: ['79-10=69', '82+68=150'] Exploring Operation: 69+150=219, Resulting Numbers: [219] 219,61 unequal: No Solution Exploring Operation: 69*150=10350, Resulting Numbers: [10350] 10350,61 unequal: No Solution Exploring Operation: 150-69=81, Resulting Numbers: [81] 81,61 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 #0,3 Current State: 61:[68, 79, 72], Operations: ['82-10=72'] Exploring Operation: 79-68=11, Resulting Numbers: [72, 11] Generated Node #0,3,0: 61:[72, 11] Operation: 79-68=11 Exploring Operation: 72-68=4, Resulting Numbers: [79, 4] Generated Node #0,3,1: 61:[79, 4] Operation: 72-68=4 Exploring Operation: 68+79=147, Resulting Numbers: [72, 147] Generated Node #0,3,2: 61:[72, 147] Operation: 68+79=147 Exploring Operation: 79-72=7, Resulting Numbers: [68, 7] Generated Node #0,3,3: 61:[68, 7] Operation: 79-72=7 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 61:[72, 11], Operations: ['82-10=72', '79-68=11'] Exploring Operation: 72*11=792, Resulting Numbers: [792] 792,61 unequal: No Solution Exploring Operation: 72-11=61, Resulting Numbers: [61] 61,61 equal: Goal Reached Moving to Node #0 Current State: 61:[10, 82, 68, 79], Operations: [] Exploring Operation: 82-10=72, Resulting Numbers: [68, 79, 72] Generated Node #0,3: 61:[68, 79, 72] Operation: 82-10=72 Moving to Node #0,3 Current State: 61:[68, 79, 72], Operations: ['82-10=72'] Exploring Operation: 79-68=11, Resulting Numbers: [72, 11] Generated Node #0,3,0: 61:[72, 11] Operation: 79-68=11 Moving to Node #0,3,0 Current State: 61:[72, 11], Operations: ['82-10=72', '79-68=11'] Exploring Operation: 72-11=61, Resulting Numbers: [61] 61,61 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.97309
hs_4
mult_heuristic
[ 2, 27, 83, 9 ]
20
[ "2*27=54", "83-9=74", "74-54=20" ]
Current State: 20:[2, 27, 83, 9], Operations: [] Exploring Operation: 2*27=54, Resulting Numbers: [83, 9, 54] Generated Node #2: [83, 9, 54] from Operation: 2*27=54 Current State: 20:[83, 9, 54], Operations: ['2*27=54'] Exploring Operation: 83-9=74, Resulting Numbers: [54, 74] Generated Node #3: [54, 74] from Operation: 83-9=74 Current State: 20:[54, 74], Operations: ['2*27=54', '83-9=74'] Exploring Operation: 74-54=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[2, 27, 83, 9], Operations: [] Exploring Operation: 83-9=74, Resulting Numbers: [2, 27, 74] Generated Node #0,0: 20:[2, 27, 74] Operation: 83-9=74 Exploring Operation: 27/9=3, Resulting Numbers: [2, 83, 3] Generated Node #0,1: 20:[2, 83, 3] Operation: 27/9=3 Exploring Operation: 83-27=56, Resulting Numbers: [2, 9, 56] Generated Node #0,2: 20:[2, 9, 56] Operation: 83-27=56 Start Sub Search at level 1: Moving to Node #0,2 Current State: 20:[2, 9, 56], Operations: ['83-27=56'] Exploring Operation: 56/2=28, Resulting Numbers: [9, 28] Generated Node #0,2,0: 20:[9, 28] Operation: 56/2=28 Exploring Operation: 56-2=54, Resulting Numbers: [9, 54] Generated Node #0,2,1: 20:[9, 54] Operation: 56-2=54 Exploring Operation: 56-9=47, Resulting Numbers: [2, 47] Generated Node #0,2,2: 20:[2, 47] Operation: 56-9=47 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 20:[9, 28], Operations: ['83-27=56', '56/2=28'] Exploring Operation: 28-9=19, Resulting Numbers: [19] 19,20 unequal: No Solution Exploring Operation: 9*28=252, Resulting Numbers: [252] 252,20 unequal: No Solution Exploring Operation: 9+28=37, Resulting Numbers: [37] 37,20 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 #0,2,2 Current State: 20:[2, 47], Operations: ['83-27=56', '56-9=47'] Exploring Operation: 2+47=49, Resulting Numbers: [49] 49,20 unequal: No Solution Exploring Operation: 47-2=45, Resulting Numbers: [45] 45,20 unequal: No Solution Exploring Operation: 2*47=94, Resulting Numbers: [94] 94,20 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 #0,2,1 Current State: 20:[9, 54], Operations: ['83-27=56', '56-2=54'] Exploring Operation: 9+54=63, Resulting Numbers: [63] 63,20 unequal: No Solution Exploring Operation: 54/9=6, Resulting Numbers: [6] 6,20 unequal: No Solution Exploring Operation: 54-9=45, Resulting Numbers: [45] 45,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 20:[2, 27, 74], Operations: ['83-9=74'] Exploring Operation: 74-27=47, Resulting Numbers: [2, 47] Generated Node #0,0,0: 20:[2, 47] Operation: 74-27=47 Exploring Operation: 74/2=37, Resulting Numbers: [27, 37] Generated Node #0,0,1: 20:[27, 37] Operation: 74/2=37 Exploring Operation: 27-2=25, Resulting Numbers: [74, 25] Generated Node #0,0,2: 20:[74, 25] Operation: 27-2=25 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 20:[27, 37], Operations: ['83-9=74', '74/2=37'] Exploring Operation: 27+37=64, Resulting Numbers: [64] 64,20 unequal: No Solution Exploring Operation: 27*37=999, Resulting Numbers: [999] 999,20 unequal: No Solution Exploring Operation: 37-27=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 #0,0,0 Current State: 20:[2, 47], Operations: ['83-9=74', '74-27=47'] Exploring Operation: 2+47=49, Resulting Numbers: [49] 49,20 unequal: No Solution Exploring Operation: 2*47=94, Resulting Numbers: [94] 94,20 unequal: No Solution Exploring Operation: 47-2=45, Resulting Numbers: [45] 45,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 20:[74, 25], Operations: ['83-9=74', '27-2=25'] Exploring Operation: 74-25=49, Resulting Numbers: [49] 49,20 unequal: No Solution Exploring Operation: 74*25=1850, Resulting Numbers: [1850] 1850,20 unequal: No Solution Exploring Operation: 74+25=99, Resulting Numbers: [99] 99,20 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:[2, 83, 3], Operations: ['27/9=3'] Exploring Operation: 83-2=81, Resulting Numbers: [3, 81] Generated Node #0,1,0: 20:[3, 81] Operation: 83-2=81 Exploring Operation: 83-3=80, Resulting Numbers: [2, 80] Generated Node #0,1,1: 20:[2, 80] Operation: 83-3=80 Exploring Operation: 2+3=5, Resulting Numbers: [83, 5] Generated Node #0,1,2: 20:[83, 5] Operation: 2+3=5 Moving to Node #0,1,1 Current State: 20:[2, 80], Operations: ['27/9=3', '83-3=80'] Exploring Operation: 80/2=40, Resulting Numbers: [40] 40,20 unequal: No Solution Exploring Operation: 80-2=78, Resulting Numbers: [78] 78,20 unequal: No Solution Exploring Operation: 2+80=82, Resulting Numbers: [82] 82,20 unequal: No Solution Moving to Node #0,1,0 Current State: 20:[3, 81], Operations: ['27/9=3', '83-2=81'] Exploring Operation: 81-3=78, Resulting Numbers: [78] 78,20 unequal: No Solution Exploring Operation: 81/3=27, Resulting Numbers: [27] 27,20 unequal: No Solution Exploring Operation: 3+81=84, Resulting Numbers: [84] 84,20 unequal: No Solution Moving to Node #0,1,2 Current State: 20:[83, 5], Operations: ['27/9=3', '2+3=5'] Exploring Operation: 83-5=78, Resulting Numbers: [78] 78,20 unequal: No Solution Exploring Operation: 83*5=415, Resulting Numbers: [415] 415,20 unequal: No Solution Exploring Operation: 83+5=88, Resulting Numbers: [88] 88,20 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
[ 63, 94, 60, 90 ]
52
[ "63*60=3780", "3780/90=42", "94-42=52" ]
Current State: 52:[63, 94, 60, 90], Operations: [] Exploring Operation: 63*60=3780, Resulting Numbers: [94, 90, 3780] Generated Node #2: [94, 90, 3780] from Operation: 63*60=3780 Current State: 52:[94, 90, 3780], Operations: ['63*60=3780'] Exploring Operation: 3780/90=42, Resulting Numbers: [94, 42] Generated Node #3: [94, 42] from Operation: 3780/90=42 Current State: 52:[94, 42], Operations: ['63*60=3780', '3780/90=42'] Exploring Operation: 94-42=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[63, 94, 60, 90], Operations: [] Exploring Operation: 90-63=27, Resulting Numbers: [94, 60, 27] Generated Node #0,0: 52:[94, 60, 27] Operation: 90-63=27 Exploring Operation: 94-63=31, Resulting Numbers: [60, 90, 31] Generated Node #0,1: 52:[60, 90, 31] Operation: 94-63=31 Exploring Operation: 94-90=4, Resulting Numbers: [63, 60, 4] Generated Node #0,2: 52:[63, 60, 4] Operation: 94-90=4 Exploring Operation: 94-60=34, Resulting Numbers: [63, 90, 34] Generated Node #0,3: 52:[63, 90, 34] Operation: 94-60=34 Moving to Node #0,2 Current State: 52:[63, 60, 4], Operations: ['94-90=4'] Exploring Operation: 63-4=59, Resulting Numbers: [60, 59] Generated Node #0,2,0: 52:[60, 59] Operation: 63-4=59 Exploring Operation: 63-60=3, Resulting Numbers: [4, 3] Generated Node #0,2,1: 52:[4, 3] Operation: 63-60=3 Exploring Operation: 60-4=56, Resulting Numbers: [63, 56] Generated Node #0,2,2: 52:[63, 56] Operation: 60-4=56 Exploring Operation: 60/4=15, Resulting Numbers: [63, 15] Generated Node #0,2,3: 52:[63, 15] Operation: 60/4=15 Moving to Node #0,1 Current State: 52:[60, 90, 31], Operations: ['94-63=31'] Exploring Operation: 60-31=29, Resulting Numbers: [90, 29] Generated Node #0,1,0: 52:[90, 29] Operation: 60-31=29 Exploring Operation: 90-31=59, Resulting Numbers: [60, 59] Generated Node #0,1,1: 52:[60, 59] Operation: 90-31=59 Exploring Operation: 90-60=30, Resulting Numbers: [31, 30] Generated Node #0,1,2: 52:[31, 30] Operation: 90-60=30 Exploring Operation: 60+31=91, Resulting Numbers: [90, 91] Generated Node #0,1,3: 52:[90, 91] Operation: 60+31=91 Moving to Node #0,0 Current State: 52:[94, 60, 27], Operations: ['90-63=27'] Exploring Operation: 94+27=121, Resulting Numbers: [60, 121] Generated Node #0,0,0: 52:[60, 121] Operation: 94+27=121 Exploring Operation: 94-60=34, Resulting Numbers: [27, 34] Generated Node #0,0,1: 52:[27, 34] Operation: 94-60=34 Exploring Operation: 60-27=33, Resulting Numbers: [94, 33] Generated Node #0,0,2: 52:[94, 33] Operation: 60-27=33 Exploring Operation: 94-27=67, Resulting Numbers: [60, 67] Generated Node #0,0,3: 52:[60, 67] Operation: 94-27=67 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 52:[27, 34], Operations: ['90-63=27', '94-60=34'] Exploring Operation: 27+34=61, Resulting Numbers: [61] 61,52 unequal: No Solution Exploring Operation: 34-27=7, Resulting Numbers: [7] 7,52 unequal: No Solution Exploring Operation: 27*34=918, Resulting Numbers: [918] 918,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 52:[60, 67], Operations: ['90-63=27', '94-27=67'] Exploring Operation: 60*67=4020, Resulting Numbers: [4020] 4020,52 unequal: No Solution Exploring Operation: 60+67=127, Resulting Numbers: [127] 127,52 unequal: No Solution Exploring Operation: 67-60=7, Resulting Numbers: [7] 7,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 52:[94, 33], Operations: ['90-63=27', '60-27=33'] Exploring Operation: 94+33=127, Resulting Numbers: [127] 127,52 unequal: No Solution Exploring Operation: 94-33=61, Resulting Numbers: [61] 61,52 unequal: No Solution Exploring Operation: 94*33=3102, Resulting Numbers: [3102] 3102,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 52:[60, 121], Operations: ['90-63=27', '94+27=121'] Exploring Operation: 60*121=7260, Resulting Numbers: [7260] 7260,52 unequal: No Solution Exploring Operation: 60+121=181, Resulting Numbers: [181] 181,52 unequal: No Solution Exploring Operation: 121-60=61, Resulting Numbers: [61] 61,52 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: 52:[63, 90, 34], Operations: ['94-60=34'] Exploring Operation: 90-63=27, Resulting Numbers: [34, 27] Generated Node #0,3,0: 52:[34, 27] Operation: 90-63=27 Exploring Operation: 63-34=29, Resulting Numbers: [90, 29] Generated Node #0,3,1: 52:[90, 29] Operation: 63-34=29 Exploring Operation: 63+34=97, Resulting Numbers: [90, 97] Generated Node #0,3,2: 52:[90, 97] Operation: 63+34=97 Exploring Operation: 90-34=56, Resulting Numbers: [63, 56] Generated Node #0,3,3: 52:[63, 56] Operation: 90-34=56 Moving to Node #0,2,1 Current State: 52:[4, 3], Operations: ['94-90=4', '63-60=3'] Exploring Operation: 4*3=12, Resulting Numbers: [12] 12,52 unequal: No Solution Exploring Operation: 4-3=1, Resulting Numbers: [1] 1,52 unequal: No Solution Exploring Operation: 4+3=7, Resulting Numbers: [7] 7,52 unequal: No Solution Moving to Node #0,1,2 Current State: 52:[31, 30], Operations: ['94-63=31', '90-60=30'] Exploring Operation: 31+30=61, Resulting Numbers: [61] 61,52 unequal: No Solution Exploring Operation: 31-30=1, Resulting Numbers: [1] 1,52 unequal: No Solution Exploring Operation: 31*30=930, Resulting Numbers: [930] 930,52 unequal: No Solution Moving to Node #0,3,0 Current State: 52:[34, 27], Operations: ['94-60=34', '90-63=27'] Exploring Operation: 34+27=61, Resulting Numbers: [61] 61,52 unequal: No Solution Exploring Operation: 34*27=918, Resulting Numbers: [918] 918,52 unequal: No Solution Exploring Operation: 34-27=7, Resulting Numbers: [7] 7,52 unequal: No Solution Moving to Node #0,2,3 Current State: 52:[63, 15], Operations: ['94-90=4', '60/4=15'] Exploring Operation: 63+15=78, Resulting Numbers: [78] 78,52 unequal: No Solution Exploring Operation: 63*15=945, Resulting Numbers: [945] 945,52 unequal: No Solution Exploring Operation: 63-15=48, Resulting Numbers: [48] 48,52 unequal: No Solution Moving to Node #0,2,0 Current State: 52:[60, 59], Operations: ['94-90=4', '63-4=59'] Exploring Operation: 60-59=1, Resulting Numbers: [1] 1,52 unequal: No Solution Exploring Operation: 60*59=3540, Resulting Numbers: [3540] 3540,52 unequal: No Solution Exploring Operation: 60+59=119, Resulting Numbers: [119] 119,52 unequal: No Solution Moving to Node #0,1,1 Current State: 52:[60, 59], Operations: ['94-63=31', '90-31=59'] Exploring Operation: 60*59=3540, Resulting Numbers: [3540] 3540,52 unequal: No Solution Exploring Operation: 60-59=1, Resulting Numbers: [1] 1,52 unequal: No Solution Exploring Operation: 60+59=119, Resulting Numbers: [119] 119,52 unequal: No Solution Moving to Node #0,3,3 Current State: 52:[63, 56], Operations: ['94-60=34', '90-34=56'] Exploring Operation: 63-56=7, Resulting Numbers: [7] 7,52 unequal: No Solution Exploring Operation: 63*56=3528, Resulting Numbers: [3528] 3528,52 unequal: No Solution Exploring Operation: 63+56=119, Resulting Numbers: [119] 119,52 unequal: No Solution Moving to Node #0,2,2 Current State: 52:[63, 56], Operations: ['94-90=4', '60-4=56'] Exploring Operation: 63-56=7, Resulting Numbers: [7] 7,52 unequal: No Solution Exploring Operation: 63*56=3528, Resulting Numbers: [3528] 3528,52 unequal: No Solution Exploring Operation: 63+56=119, Resulting Numbers: [119] 119,52 unequal: No Solution Moving to Node #0,1,0 Current State: 52:[90, 29], Operations: ['94-63=31', '60-31=29'] Exploring Operation: 90-29=61, Resulting Numbers: [61] 61,52 unequal: No Solution Exploring Operation: 90+29=119, Resulting Numbers: [119] 119,52 unequal: No Solution Exploring Operation: 90*29=2610, Resulting Numbers: [2610] 2610,52 unequal: No Solution Moving to Node #0,3,1 Current State: 52:[90, 29], Operations: ['94-60=34', '63-34=29'] Exploring Operation: 90-29=61, Resulting Numbers: [61] 61,52 unequal: No Solution Exploring Operation: 90*29=2610, Resulting Numbers: [2610] 2610,52 unequal: No Solution Exploring Operation: 90+29=119, Resulting Numbers: [119] 119,52 unequal: No Solution Moving to Node #0,1,3 Current State: 52:[90, 91], Operations: ['94-63=31', '60+31=91'] Exploring Operation: 90*91=8190, Resulting Numbers: [8190] 8190,52 unequal: No Solution Exploring Operation: 90+91=181, Resulting Numbers: [181] 181,52 unequal: No Solution Exploring Operation: 91-90=1, Resulting Numbers: [1] 1,52 unequal: No Solution Moving to Node #0,3,2 Current State: 52:[90, 97], Operations: ['94-60=34', '63+34=97'] Exploring Operation: 90+97=187, Resulting Numbers: [187] 187,52 unequal: No Solution Exploring Operation: 90*97=8730, Resulting Numbers: [8730] 8730,52 unequal: No Solution Exploring Operation: 97-90=7, Resulting Numbers: [7] 7,52 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 96, 76, 30, 58 ]
84
[ "96+76=172", "30+58=88", "172-88=84" ]
Current State: 84:[96, 76, 30, 58], Operations: [] Exploring Operation: 96+76=172, Resulting Numbers: [30, 58, 172] Generated Node #2: [30, 58, 172] from Operation: 96+76=172 Current State: 84:[30, 58, 172], Operations: ['96+76=172'] Exploring Operation: 30+58=88, Resulting Numbers: [172, 88] Generated Node #3: [172, 88] from Operation: 30+58=88 Current State: 84:[172, 88], Operations: ['96+76=172', '30+58=88'] Exploring Operation: 172-88=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
4
Current State: 84:[96, 76, 30, 58], Operations: [] Exploring Operation: 58-30=28, Resulting Numbers: [96, 76, 28] Generated Node #0,0: 84:[96, 76, 28] Operation: 58-30=28 Exploring Operation: 96-58=38, Resulting Numbers: [76, 30, 38] Generated Node #0,1: 84:[76, 30, 38] Operation: 96-58=38 Exploring Operation: 76-58=18, Resulting Numbers: [96, 30, 18] Generated Node #0,2: 84:[96, 30, 18] Operation: 76-58=18 Exploring Operation: 96-76=20, Resulting Numbers: [30, 58, 20] Generated Node #0,3: 84:[30, 58, 20] Operation: 96-76=20 Moving to Node #0,1 Current State: 84:[76, 30, 38], Operations: ['96-58=38'] Exploring Operation: 76-38=38, Resulting Numbers: [30, 38] Generated Node #0,1,0: 84:[30, 38] Operation: 76-38=38 Exploring Operation: 76-30=46, Resulting Numbers: [38, 46] Generated Node #0,1,1: 84:[38, 46] Operation: 76-30=46 Exploring Operation: 38-30=8, Resulting Numbers: [76, 8] Generated Node #0,1,2: 84:[76, 8] Operation: 38-30=8 Exploring Operation: 76/38=2, Resulting Numbers: [30, 2] Generated Node #0,1,3: 84:[30, 2] Operation: 76/38=2 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 84:[30, 2], Operations: ['96-58=38', '76/38=2'] Exploring Operation: 30*2=60, Resulting Numbers: [60] 60,84 unequal: No Solution Exploring Operation: 30/2=15, Resulting Numbers: [15] 15,84 unequal: No Solution Exploring Operation: 30+2=32, Resulting Numbers: [32] 32,84 unequal: No Solution Exploring Operation: 30-2=28, Resulting Numbers: [28] 28,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 84:[30, 38], Operations: ['96-58=38', '76-38=38'] Exploring Operation: 30*38=1140, Resulting Numbers: [1140] 1140,84 unequal: No Solution Exploring Operation: 30+38=68, Resulting Numbers: [68] 68,84 unequal: No Solution Exploring Operation: 38-30=8, Resulting Numbers: [8] 8,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 84:[38, 46], Operations: ['96-58=38', '76-30=46'] Exploring Operation: 38*46=1748, Resulting Numbers: [1748] 1748,84 unequal: No Solution Exploring Operation: 38+46=84, Resulting Numbers: [84] 84,84 equal: Goal Reached Moving to Node #0 Current State: 84:[96, 76, 30, 58], Operations: [] Exploring Operation: 96-58=38, Resulting Numbers: [76, 30, 38] Generated Node #0,1: 84:[76, 30, 38] Operation: 96-58=38 Moving to Node #0,1 Current State: 84:[76, 30, 38], Operations: ['96-58=38'] Exploring Operation: 76-30=46, Resulting Numbers: [38, 46] Generated Node #0,1,1: 84:[38, 46] Operation: 76-30=46 Moving to Node #0,1,1 Current State: 84:[38, 46], Operations: ['96-58=38', '76-30=46'] Exploring Operation: 38+46=84, Resulting Numbers: [84] 84,84 equal: Goal Reached Exit Sub Search at level 1
0.981771
hs_4
mult_heuristic
[ 25, 2, 24, 11 ]
71
[ "25+24=49", "2*11=22", "49+22=71" ]
Current State: 71:[25, 2, 24, 11], Operations: [] Exploring Operation: 25+24=49, Resulting Numbers: [2, 11, 49] Generated Node #2: [2, 11, 49] from Operation: 25+24=49 Current State: 71:[2, 11, 49], Operations: ['25+24=49'] Exploring Operation: 2*11=22, Resulting Numbers: [49, 22] Generated Node #3: [49, 22] from Operation: 2*11=22 Current State: 71:[49, 22], Operations: ['25+24=49', '2*11=22'] Exploring Operation: 49+22=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
4
Current State: 71:[25, 2, 24, 11], Operations: [] Exploring Operation: 2*24=48, Resulting Numbers: [25, 11, 48] Generated Node #0,0: 71:[25, 11, 48] Operation: 2*24=48 Exploring Operation: 25*2=50, Resulting Numbers: [24, 11, 50] Generated Node #0,1: 71:[24, 11, 50] Operation: 25*2=50 Exploring Operation: 2*11=22, Resulting Numbers: [25, 24, 22] Generated Node #0,2: 71:[25, 24, 22] Operation: 2*11=22 Moving to Node #0,1 Current State: 71:[24, 11, 50], Operations: ['25*2=50'] Exploring Operation: 24+50=74, Resulting Numbers: [11, 74] Generated Node #0,1,0: 71:[11, 74] Operation: 24+50=74 Exploring Operation: 11+50=61, Resulting Numbers: [24, 61] Generated Node #0,1,1: 71:[24, 61] Operation: 11+50=61 Exploring Operation: 24+11=35, Resulting Numbers: [50, 35] Generated Node #0,1,2: 71:[50, 35] Operation: 24+11=35 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 71:[24, 61], Operations: ['25*2=50', '11+50=61'] Exploring Operation: 24*61=1464, Resulting Numbers: [1464] 1464,71 unequal: No Solution Exploring Operation: 24+61=85, Resulting Numbers: [85] 85,71 unequal: No Solution Exploring Operation: 61-24=37, Resulting Numbers: [37] 37,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 71:[50, 35], Operations: ['25*2=50', '24+11=35'] Exploring Operation: 50-35=15, Resulting Numbers: [15] 15,71 unequal: No Solution Exploring Operation: 50*35=1750, Resulting Numbers: [1750] 1750,71 unequal: No Solution Exploring Operation: 50+35=85, Resulting Numbers: [85] 85,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 71:[11, 74], Operations: ['25*2=50', '24+50=74'] Exploring Operation: 74-11=63, Resulting Numbers: [63] 63,71 unequal: No Solution Exploring Operation: 11+74=85, Resulting Numbers: [85] 85,71 unequal: No Solution Exploring Operation: 11*74=814, Resulting Numbers: [814] 814,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 71:[25, 11, 48], Operations: ['2*24=48'] Exploring Operation: 11+48=59, Resulting Numbers: [25, 59] Generated Node #0,0,0: 71:[25, 59] Operation: 11+48=59 Exploring Operation: 25+11=36, Resulting Numbers: [48, 36] Generated Node #0,0,1: 71:[48, 36] Operation: 25+11=36 Exploring Operation: 25+48=73, Resulting Numbers: [11, 73] Generated Node #0,0,2: 71:[11, 73] Operation: 25+48=73 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 71:[25, 59], Operations: ['2*24=48', '11+48=59'] Exploring Operation: 25+59=84, Resulting Numbers: [84] 84,71 unequal: No Solution Exploring Operation: 59-25=34, Resulting Numbers: [34] 34,71 unequal: No Solution Exploring Operation: 25*59=1475, Resulting Numbers: [1475] 1475,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 71:[48, 36], Operations: ['2*24=48', '25+11=36'] Exploring Operation: 48-36=12, Resulting Numbers: [12] 12,71 unequal: No Solution Exploring Operation: 48*36=1728, Resulting Numbers: [1728] 1728,71 unequal: No Solution Exploring Operation: 48+36=84, Resulting Numbers: [84] 84,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 71:[11, 73], Operations: ['2*24=48', '25+48=73'] Exploring Operation: 11+73=84, Resulting Numbers: [84] 84,71 unequal: No Solution Exploring Operation: 11*73=803, Resulting Numbers: [803] 803,71 unequal: No Solution Exploring Operation: 73-11=62, Resulting Numbers: [62] 62,71 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: 71:[25, 24, 22], Operations: ['2*11=22'] Exploring Operation: 24+22=46, Resulting Numbers: [25, 46] Generated Node #0,2,0: 71:[25, 46] Operation: 24+22=46 Exploring Operation: 25+22=47, Resulting Numbers: [24, 47] Generated Node #0,2,1: 71:[24, 47] Operation: 25+22=47 Exploring Operation: 25+24=49, Resulting Numbers: [22, 49] Generated Node #0,2,2: 71:[22, 49] Operation: 25+24=49 Moving to Node #0,2,0 Current State: 71:[25, 46], Operations: ['2*11=22', '24+22=46'] Exploring Operation: 46-25=21, Resulting Numbers: [21] 21,71 unequal: No Solution Exploring Operation: 25*46=1150, Resulting Numbers: [1150] 1150,71 unequal: No Solution Exploring Operation: 25+46=71, Resulting Numbers: [71] 71,71 equal: Goal Reached Moving to Node #0 Current State: 71:[25, 2, 24, 11], Operations: [] Exploring Operation: 2*11=22, Resulting Numbers: [25, 24, 22] Generated Node #0,2: 71:[25, 24, 22] Operation: 2*11=22 Moving to Node #0,2 Current State: 71:[25, 24, 22], Operations: ['2*11=22'] Exploring Operation: 24+22=46, Resulting Numbers: [25, 46] Generated Node #0,2,0: 71:[25, 46] Operation: 24+22=46 Moving to Node #0,2,0 Current State: 71:[25, 46], Operations: ['2*11=22', '24+22=46'] Exploring Operation: 25+46=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
0.967882
hs_3
sum_heuristic
[ 58, 22, 4, 5 ]
81
[ "58+22=80", "5-4=1", "80+1=81" ]
Current State: 81:[58, 22, 4, 5], Operations: [] Exploring Operation: 58+22=80, Resulting Numbers: [4, 5, 80] Generated Node #2: [4, 5, 80] from Operation: 58+22=80 Current State: 81:[4, 5, 80], Operations: ['58+22=80'] Exploring Operation: 5-4=1, Resulting Numbers: [80, 1] Generated Node #3: [80, 1] from Operation: 5-4=1 Current State: 81:[80, 1], Operations: ['58+22=80', '5-4=1'] Exploring Operation: 80+1=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[58, 22, 4, 5], Operations: [] Exploring Operation: 58-22=36, Resulting Numbers: [4, 5, 36] Generated Node #0,0: 81:[4, 5, 36] Operation: 58-22=36 Exploring Operation: 58+22=80, Resulting Numbers: [4, 5, 80] Generated Node #0,1: 81:[4, 5, 80] Operation: 58+22=80 Exploring Operation: 22+5=27, Resulting Numbers: [58, 4, 27] Generated Node #0,2: 81:[58, 4, 27] Operation: 22+5=27 Exploring Operation: 58+5=63, Resulting Numbers: [22, 4, 63] Generated Node #0,3: 81:[22, 4, 63] Operation: 58+5=63 Start Sub Search at level 1: Moving to Node #0,1 Current State: 81:[4, 5, 80], Operations: ['58+22=80'] Exploring Operation: 5+80=85, Resulting Numbers: [4, 85] Generated Node #0,1,0: 81:[4, 85] Operation: 5+80=85 Exploring Operation: 4+5=9, Resulting Numbers: [80, 9] Generated Node #0,1,1: 81:[80, 9] Operation: 4+5=9 Exploring Operation: 5-4=1, Resulting Numbers: [80, 1] Generated Node #0,1,2: 81:[80, 1] Operation: 5-4=1 Exploring Operation: 4+80=84, Resulting Numbers: [5, 84] Generated Node #0,1,3: 81:[5, 84] Operation: 4+80=84 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 81:[80, 9], Operations: ['58+22=80', '4+5=9'] Exploring Operation: 80+9=89, Resulting Numbers: [89] 89,81 unequal: No Solution Exploring Operation: 80*9=720, Resulting Numbers: [720] 720,81 unequal: No Solution Exploring Operation: 80-9=71, Resulting Numbers: [71] 71,81 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 #0,1,2 Current State: 81:[80, 1], Operations: ['58+22=80', '5-4=1'] Exploring Operation: 80+1=81, Resulting Numbers: [81] 81,81 equal: Goal Reached Moving to Node #0 Current State: 81:[58, 22, 4, 5], Operations: [] Exploring Operation: 58+22=80, Resulting Numbers: [4, 5, 80] Generated Node #0,1: 81:[4, 5, 80] Operation: 58+22=80 Moving to Node #0,1 Current State: 81:[4, 5, 80], Operations: ['58+22=80'] Exploring Operation: 5-4=1, Resulting Numbers: [80, 1] Generated Node #0,1,2: 81:[80, 1] Operation: 5-4=1 Moving to Node #0,1,2 Current State: 81:[80, 1], Operations: ['58+22=80', '5-4=1'] Exploring Operation: 80+1=81, Resulting Numbers: [81] 81,81 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986111
hs_4
sum_heuristic
[ 2, 70, 64, 22 ]
78
[ "70+64=134", "22+134=156", "156/2=78" ]
Current State: 78:[2, 70, 64, 22], Operations: [] Exploring Operation: 70+64=134, Resulting Numbers: [2, 22, 134] Generated Node #2: [2, 22, 134] from Operation: 70+64=134 Current State: 78:[2, 22, 134], Operations: ['70+64=134'] Exploring Operation: 22+134=156, Resulting Numbers: [2, 156] Generated Node #3: [2, 156] from Operation: 22+134=156 Current State: 78:[2, 156], Operations: ['70+64=134', '22+134=156'] Exploring Operation: 156/2=78, Resulting Numbers: [78] 78,78 equal: Goal Reached
4
Current State: 78:[2, 70, 64, 22], Operations: [] Exploring Operation: 64/2=32, Resulting Numbers: [70, 22, 32] Generated Node #0,0: 78:[70, 22, 32] Operation: 64/2=32 Exploring Operation: 64-22=42, Resulting Numbers: [2, 70, 42] Generated Node #0,1: 78:[2, 70, 42] Operation: 64-22=42 Exploring Operation: 64+22=86, Resulting Numbers: [2, 70, 86] Generated Node #0,2: 78:[2, 70, 86] Operation: 64+22=86 Exploring Operation: 70/2=35, Resulting Numbers: [64, 22, 35] Generated Node #0,3: 78:[64, 22, 35] Operation: 70/2=35 Exploring Operation: 70-64=6, Resulting Numbers: [2, 22, 6] Generated Node #0,4: 78:[2, 22, 6] Operation: 70-64=6 Moving to Node #0,4 Current State: 78:[2, 22, 6], Operations: ['70-64=6'] Exploring Operation: 22/2=11, Resulting Numbers: [6, 11] Generated Node #0,4,0: 78:[6, 11] Operation: 22/2=11 Exploring Operation: 6/2=3, Resulting Numbers: [22, 3] Generated Node #0,4,1: 78:[22, 3] Operation: 6/2=3 Exploring Operation: 22-6=16, Resulting Numbers: [2, 16] Generated Node #0,4,2: 78:[2, 16] Operation: 22-6=16 Exploring Operation: 22+6=28, Resulting Numbers: [2, 28] Generated Node #0,4,3: 78:[2, 28] Operation: 22+6=28 Exploring Operation: 2+22=24, Resulting Numbers: [6, 24] Generated Node #0,4,4: 78:[6, 24] Operation: 2+22=24 Moving to Node #0,1 Current State: 78:[2, 70, 42], Operations: ['64-22=42'] Exploring Operation: 70-2=68, Resulting Numbers: [42, 68] Generated Node #0,1,0: 78:[42, 68] Operation: 70-2=68 Exploring Operation: 42-2=40, Resulting Numbers: [70, 40] Generated Node #0,1,1: 78:[70, 40] Operation: 42-2=40 Exploring Operation: 70/2=35, Resulting Numbers: [42, 35] Generated Node #0,1,2: 78:[42, 35] Operation: 70/2=35 Exploring Operation: 2+70=72, Resulting Numbers: [42, 72] Generated Node #0,1,3: 78:[42, 72] Operation: 2+70=72 Exploring Operation: 70-42=28, Resulting Numbers: [2, 28] Generated Node #0,1,4: 78:[2, 28] Operation: 70-42=28 Moving to Node #0,2 Current State: 78:[2, 70, 86], Operations: ['64+22=86'] Exploring Operation: 86/2=43, Resulting Numbers: [70, 43] Generated Node #0,2,0: 78:[70, 43] Operation: 86/2=43 Exploring Operation: 86-2=84, Resulting Numbers: [70, 84] Generated Node #0,2,1: 78:[70, 84] Operation: 86-2=84 Exploring Operation: 2+70=72, Resulting Numbers: [86, 72] Generated Node #0,2,2: 78:[86, 72] Operation: 2+70=72 Exploring Operation: 86-70=16, Resulting Numbers: [2, 16] Generated Node #0,2,3: 78:[2, 16] Operation: 86-70=16 Exploring Operation: 70/2=35, Resulting Numbers: [86, 35] Generated Node #0,2,4: 78:[86, 35] Operation: 70/2=35 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 78:[2, 16], Operations: ['64+22=86', '86-70=16'] Exploring Operation: 2+16=18, Resulting Numbers: [18] 18,78 unequal: No Solution Exploring Operation: 16/2=8, Resulting Numbers: [8] 8,78 unequal: No Solution Exploring Operation: 16-2=14, Resulting Numbers: [14] 14,78 unequal: No Solution Exploring Operation: 2*16=32, Resulting Numbers: [32] 32,78 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 78:[70, 43], Operations: ['64+22=86', '86/2=43'] Exploring Operation: 70*43=3010, Resulting Numbers: [3010] 3010,78 unequal: No Solution Exploring Operation: 70-43=27, Resulting Numbers: [27] 27,78 unequal: No Solution Exploring Operation: 70+43=113, Resulting Numbers: [113] 113,78 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 78:[86, 35], Operations: ['64+22=86', '70/2=35'] Exploring Operation: 86*35=3010, Resulting Numbers: [3010] 3010,78 unequal: No Solution Exploring Operation: 86-35=51, Resulting Numbers: [51] 51,78 unequal: No Solution Exploring Operation: 86+35=121, Resulting Numbers: [121] 121,78 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 78:[70, 84], Operations: ['64+22=86', '86-2=84'] Exploring Operation: 70*84=5880, Resulting Numbers: [5880] 5880,78 unequal: No Solution Exploring Operation: 70+84=154, Resulting Numbers: [154] 154,78 unequal: No Solution Exploring Operation: 84-70=14, Resulting Numbers: [14] 14,78 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 78:[86, 72], Operations: ['64+22=86', '2+70=72'] Exploring Operation: 86-72=14, Resulting Numbers: [14] 14,78 unequal: No Solution Exploring Operation: 86*72=6192, Resulting Numbers: [6192] 6192,78 unequal: No Solution Exploring Operation: 86+72=158, Resulting Numbers: [158] 158,78 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: 78:[70, 22, 32], Operations: ['64/2=32'] Exploring Operation: 70+22=92, Resulting Numbers: [32, 92] Generated Node #0,0,0: 78:[32, 92] Operation: 70+22=92 Exploring Operation: 70-22=48, Resulting Numbers: [32, 48] Generated Node #0,0,1: 78:[32, 48] Operation: 70-22=48 Exploring Operation: 22+32=54, Resulting Numbers: [70, 54] Generated Node #0,0,2: 78:[70, 54] Operation: 22+32=54 Exploring Operation: 70-32=38, Resulting Numbers: [22, 38] Generated Node #0,0,3: 78:[22, 38] Operation: 70-32=38 Exploring Operation: 32-22=10, Resulting Numbers: [70, 10] Generated Node #0,0,4: 78:[70, 10] Operation: 32-22=10 Moving to Node #0,3 Current State: 78:[64, 22, 35], Operations: ['70/2=35'] Exploring Operation: 64+35=99, Resulting Numbers: [22, 99] Generated Node #0,3,0: 78:[22, 99] Operation: 64+35=99 Exploring Operation: 64-22=42, Resulting Numbers: [35, 42] Generated Node #0,3,1: 78:[35, 42] Operation: 64-22=42 Exploring Operation: 64-35=29, Resulting Numbers: [22, 29] Generated Node #0,3,2: 78:[22, 29] Operation: 64-35=29 Exploring Operation: 64+22=86, Resulting Numbers: [35, 86] Generated Node #0,3,3: 78:[35, 86] Operation: 64+22=86 Exploring Operation: 35-22=13, Resulting Numbers: [64, 13] Generated Node #0,3,4: 78:[64, 13] Operation: 35-22=13 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 78:[35, 42], Operations: ['70/2=35', '64-22=42'] Exploring Operation: 42-35=7, Resulting Numbers: [7] 7,78 unequal: No Solution Exploring Operation: 35*42=1470, Resulting Numbers: [1470] 1470,78 unequal: No Solution Exploring Operation: 35+42=77, Resulting Numbers: [77] 77,78 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 78:[22, 29], Operations: ['70/2=35', '64-35=29'] Exploring Operation: 22*29=638, Resulting Numbers: [638] 638,78 unequal: No Solution Exploring Operation: 22+29=51, Resulting Numbers: [51] 51,78 unequal: No Solution Exploring Operation: 29-22=7, Resulting Numbers: [7] 7,78 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 78:[35, 86], Operations: ['70/2=35', '64+22=86'] Exploring Operation: 35+86=121, Resulting Numbers: [121] 121,78 unequal: No Solution Exploring Operation: 35*86=3010, Resulting Numbers: [3010] 3010,78 unequal: No Solution Exploring Operation: 86-35=51, Resulting Numbers: [51] 51,78 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 78:[64, 13], Operations: ['70/2=35', '35-22=13'] Exploring Operation: 64*13=832, Resulting Numbers: [832] 832,78 unequal: No Solution Exploring Operation: 64+13=77, Resulting Numbers: [77] 77,78 unequal: No Solution Exploring Operation: 64-13=51, Resulting Numbers: [51] 51,78 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 78:[22, 99], Operations: ['70/2=35', '64+35=99'] Exploring Operation: 99-22=77, Resulting Numbers: [77] 77,78 unequal: No Solution Exploring Operation: 22*99=2178, Resulting Numbers: [2178] 2178,78 unequal: No Solution Exploring Operation: 22+99=121, Resulting Numbers: [121] 121,78 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: 78:[6, 11], Operations: ['70-64=6', '22/2=11'] Exploring Operation: 6+11=17, Resulting Numbers: [17] 17,78 unequal: No Solution Exploring Operation: 6*11=66, Resulting Numbers: [66] 66,78 unequal: No Solution Exploring Operation: 11-6=5, Resulting Numbers: [5] 5,78 unequal: No Solution Moving to Node #0,4,4 Current State: 78:[6, 24], Operations: ['70-64=6', '2+22=24'] Exploring Operation: 6+24=30, Resulting Numbers: [30] 30,78 unequal: No Solution Exploring Operation: 24-6=18, Resulting Numbers: [18] 18,78 unequal: No Solution Exploring Operation: 24/6=4, Resulting Numbers: [4] 4,78 unequal: No Solution Exploring Operation: 6*24=144, Resulting Numbers: [144] 144,78 unequal: No Solution Moving to Node #0,1,4 Current State: 78:[2, 28], Operations: ['64-22=42', '70-42=28'] Exploring Operation: 28-2=26, Resulting Numbers: [26] 26,78 unequal: No Solution Exploring Operation: 28/2=14, Resulting Numbers: [14] 14,78 unequal: No Solution Exploring Operation: 2*28=56, Resulting Numbers: [56] 56,78 unequal: No Solution Exploring Operation: 2+28=30, Resulting Numbers: [30] 30,78 unequal: No Solution Moving to Node #0,4,3 Current State: 78:[2, 28], Operations: ['70-64=6', '22+6=28'] Exploring Operation: 28/2=14, Resulting Numbers: [14] 14,78 unequal: No Solution Exploring Operation: 28-2=26, Resulting Numbers: [26] 26,78 unequal: No Solution Exploring Operation: 2*28=56, Resulting Numbers: [56] 56,78 unequal: No Solution Exploring Operation: 2+28=30, Resulting Numbers: [30] 30,78 unequal: No Solution Moving to Node #0,4,2 Current State: 78:[2, 16], Operations: ['70-64=6', '22-6=16'] Exploring Operation: 16-2=14, Resulting Numbers: [14] 14,78 unequal: No Solution Exploring Operation: 16/2=8, Resulting Numbers: [8] 8,78 unequal: No Solution Exploring Operation: 2+16=18, Resulting Numbers: [18] 18,78 unequal: No Solution Exploring Operation: 2*16=32, Resulting Numbers: [32] 32,78 unequal: No Solution Moving to Node #0,4,1 Current State: 78:[22, 3], Operations: ['70-64=6', '6/2=3'] Exploring Operation: 22*3=66, Resulting Numbers: [66] 66,78 unequal: No Solution Exploring Operation: 22-3=19, Resulting Numbers: [19] 19,78 unequal: No Solution Exploring Operation: 22+3=25, Resulting Numbers: [25] 25,78 unequal: No Solution Moving to Node #0,0,3 Current State: 78:[22, 38], Operations: ['64/2=32', '70-32=38'] Exploring Operation: 38-22=16, Resulting Numbers: [16] 16,78 unequal: No Solution Exploring Operation: 22*38=836, Resulting Numbers: [836] 836,78 unequal: No Solution Exploring Operation: 22+38=60, Resulting Numbers: [60] 60,78 unequal: No Solution Moving to Node #0,1,2 Current State: 78:[42, 35], Operations: ['64-22=42', '70/2=35'] Exploring Operation: 42+35=77, Resulting Numbers: [77] 77,78 unequal: No Solution Exploring Operation: 42*35=1470, Resulting Numbers: [1470] 1470,78 unequal: No Solution Exploring Operation: 42-35=7, Resulting Numbers: [7] 7,78 unequal: No Solution Moving to Node #0,1,3 Current State: 78:[42, 72], Operations: ['64-22=42', '2+70=72'] Exploring Operation: 72-42=30, Resulting Numbers: [30] 30,78 unequal: No Solution Exploring Operation: 42*72=3024, Resulting Numbers: [3024] 3024,78 unequal: No Solution Exploring Operation: 42+72=114, Resulting Numbers: [114] 114,78 unequal: No Solution Moving to Node #0,1,1 Current State: 78:[70, 40], Operations: ['64-22=42', '42-2=40'] Exploring Operation: 70+40=110, Resulting Numbers: [110] 110,78 unequal: No Solution Exploring Operation: 70-40=30, Resulting Numbers: [30] 30,78 unequal: No Solution Exploring Operation: 70*40=2800, Resulting Numbers: [2800] 2800,78 unequal: No Solution Moving to Node #0,0,4 Current State: 78:[70, 10], Operations: ['64/2=32', '32-22=10'] Exploring Operation: 70/10=7, Resulting Numbers: [7] 7,78 unequal: No Solution Exploring Operation: 70+10=80, Resulting Numbers: [80] 80,78 unequal: No Solution Exploring Operation: 70*10=700, Resulting Numbers: [700] 700,78 unequal: No Solution Exploring Operation: 70-10=60, Resulting Numbers: [60] 60,78 unequal: No Solution Moving to Node #0,1,0 Current State: 78:[42, 68], Operations: ['64-22=42', '70-2=68'] Exploring Operation: 42+68=110, Resulting Numbers: [110] 110,78 unequal: No Solution Exploring Operation: 68-42=26, Resulting Numbers: [26] 26,78 unequal: No Solution Exploring Operation: 42*68=2856, Resulting Numbers: [2856] 2856,78 unequal: No Solution Moving to Node #0,0,1 Current State: 78:[32, 48], Operations: ['64/2=32', '70-22=48'] Exploring Operation: 48-32=16, Resulting Numbers: [16] 16,78 unequal: No Solution Exploring Operation: 32*48=1536, Resulting Numbers: [1536] 1536,78 unequal: No Solution Exploring Operation: 32+48=80, Resulting Numbers: [80] 80,78 unequal: No Solution Moving to Node #0,0,0 Current State: 78:[32, 92], Operations: ['64/2=32', '70+22=92'] Exploring Operation: 32+92=124, Resulting Numbers: [124] 124,78 unequal: No Solution Exploring Operation: 92-32=60, Resulting Numbers: [60] 60,78 unequal: No Solution Exploring Operation: 32*92=2944, Resulting Numbers: [2944] 2944,78 unequal: No Solution Moving to Node #0,0,2 Current State: 78:[70, 54], Operations: ['64/2=32', '22+32=54'] Exploring Operation: 70+54=124, Resulting Numbers: [124] 124,78 unequal: No Solution Exploring Operation: 70-54=16, Resulting Numbers: [16] 16,78 unequal: No Solution Exploring Operation: 70*54=3780, Resulting Numbers: [3780] 3780,78 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 2, 1, 70, 21 ]
91
[ "2-1=1", "70+21=91", "1*91=91" ]
Current State: 91:[2, 1, 70, 21], Operations: [] Exploring Operation: 2-1=1, Resulting Numbers: [70, 21, 1] Generated Node #2: [70, 21, 1] from Operation: 2-1=1 Current State: 91:[70, 21, 1], Operations: ['2-1=1'] Exploring Operation: 70+21=91, Resulting Numbers: [1, 91] Generated Node #3: [1, 91] from Operation: 70+21=91 Current State: 91:[1, 91], Operations: ['2-1=1', '70+21=91'] Exploring Operation: 1*91=91, Resulting Numbers: [91] 91,91 equal: Goal Reached
4
Current State: 91:[2, 1, 70, 21], Operations: [] Exploring Operation: 21-2=19, Resulting Numbers: [1, 70, 19] Generated Node #0,0: 91:[1, 70, 19] Operation: 21-2=19 Exploring Operation: 2+1=3, Resulting Numbers: [70, 21, 3] Generated Node #0,1: 91:[70, 21, 3] Operation: 2+1=3 Exploring Operation: 2+70=72, Resulting Numbers: [1, 21, 72] Generated Node #0,2: 91:[1, 21, 72] Operation: 2+70=72 Exploring Operation: 70+21=91, Resulting Numbers: [2, 1, 91] Generated Node #0,3: 91:[2, 1, 91] Operation: 70+21=91 Moving to Node #0,3 Current State: 91:[2, 1, 91], Operations: ['70+21=91'] Exploring Operation: 2+1=3, Resulting Numbers: [91, 3] Generated Node #0,3,0: 91:[91, 3] Operation: 2+1=3 Exploring Operation: 1*91=91, Resulting Numbers: [2, 91] Generated Node #0,3,1: 91:[2, 91] Operation: 1*91=91 Exploring Operation: 2*1=2, Resulting Numbers: [91, 2] Generated Node #0,3,2: 91:[91, 2] Operation: 2*1=2 Exploring Operation: 2/1=2, Resulting Numbers: [91, 2] Generated Node #0,3,3: 91:[91, 2] Operation: 2/1=2 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 91:[91, 3], Operations: ['70+21=91', '2+1=3'] Exploring Operation: 91*3=273, Resulting Numbers: [273] 273,91 unequal: No Solution Exploring Operation: 91-3=88, Resulting Numbers: [88] 88,91 unequal: No Solution Exploring Operation: 91+3=94, Resulting Numbers: [94] 94,91 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:[2, 91], Operations: ['70+21=91', '1*91=91'] Exploring Operation: 2*91=182, Resulting Numbers: [182] 182,91 unequal: No Solution Exploring Operation: 91-2=89, Resulting Numbers: [89] 89,91 unequal: No Solution Exploring Operation: 2+91=93, Resulting Numbers: [93] 93,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 91:[91, 2], Operations: ['70+21=91', '2*1=2'] Exploring Operation: 91-2=89, Resulting Numbers: [89] 89,91 unequal: No Solution Exploring Operation: 91*2=182, Resulting Numbers: [182] 182,91 unequal: No Solution Exploring Operation: 91+2=93, Resulting Numbers: [93] 93,91 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:[91, 2], Operations: ['70+21=91', '2/1=2'] Exploring Operation: 91*2=182, Resulting Numbers: [182] 182,91 unequal: No Solution Exploring Operation: 91+2=93, Resulting Numbers: [93] 93,91 unequal: No Solution Exploring Operation: 91-2=89, Resulting Numbers: [89] 89,91 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: 91:[70, 21, 3], Operations: ['2+1=3'] Exploring Operation: 21-3=18, Resulting Numbers: [70, 18] Generated Node #0,1,0: 91:[70, 18] Operation: 21-3=18 Exploring Operation: 21/3=7, Resulting Numbers: [70, 7] Generated Node #0,1,1: 91:[70, 7] Operation: 21/3=7 Exploring Operation: 70+3=73, Resulting Numbers: [21, 73] Generated Node #0,1,2: 91:[21, 73] Operation: 70+3=73 Exploring Operation: 70+21=91, Resulting Numbers: [3, 91] Generated Node #0,1,3: 91:[3, 91] Operation: 70+21=91 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 91:[3, 91], Operations: ['2+1=3', '70+21=91'] Exploring Operation: 3+91=94, Resulting Numbers: [94] 94,91 unequal: No Solution Exploring Operation: 91-3=88, Resulting Numbers: [88] 88,91 unequal: No Solution Exploring Operation: 3*91=273, Resulting Numbers: [273] 273,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 91:[70, 7], Operations: ['2+1=3', '21/3=7'] Exploring Operation: 70+7=77, Resulting Numbers: [77] 77,91 unequal: No Solution Exploring Operation: 70/7=10, Resulting Numbers: [10] 10,91 unequal: No Solution Exploring Operation: 70-7=63, Resulting Numbers: [63] 63,91 unequal: No Solution Exploring Operation: 70*7=490, Resulting Numbers: [490] 490,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 91:[70, 18], Operations: ['2+1=3', '21-3=18'] Exploring Operation: 70+18=88, Resulting Numbers: [88] 88,91 unequal: No Solution Exploring Operation: 70-18=52, Resulting Numbers: [52] 52,91 unequal: No Solution Exploring Operation: 70*18=1260, Resulting Numbers: [1260] 1260,91 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 #0,1,2 Current State: 91:[21, 73], Operations: ['2+1=3', '70+3=73'] Exploring Operation: 73-21=52, Resulting Numbers: [52] 52,91 unequal: No Solution Exploring Operation: 21*73=1533, Resulting Numbers: [1533] 1533,91 unequal: No Solution Exploring Operation: 21+73=94, Resulting Numbers: [94] 94,91 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: 91:[1, 70, 19], Operations: ['21-2=19'] Exploring Operation: 19-1=18, Resulting Numbers: [70, 18] Generated Node #0,0,0: 91:[70, 18] Operation: 19-1=18 Exploring Operation: 1+70=71, Resulting Numbers: [19, 71] Generated Node #0,0,1: 91:[19, 71] Operation: 1+70=71 Exploring Operation: 70+19=89, Resulting Numbers: [1, 89] Generated Node #0,0,2: 91:[1, 89] Operation: 70+19=89 Exploring Operation: 1*70=70, Resulting Numbers: [19, 70] Generated Node #0,0,3: 91:[19, 70] Operation: 1*70=70 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 91:[1, 89], Operations: ['21-2=19', '70+19=89'] Exploring Operation: 89-1=88, Resulting Numbers: [88] 88,91 unequal: No Solution Exploring Operation: 1+89=90, Resulting Numbers: [90] 90,91 unequal: No Solution Exploring Operation: 1*89=89, Resulting Numbers: [89] 89,91 unequal: No Solution Exploring Operation: 89/1=89, Resulting Numbers: [89] 89,91 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 #0,0,0 Current State: 91:[70, 18], Operations: ['21-2=19', '19-1=18'] Exploring Operation: 70*18=1260, Resulting Numbers: [1260] 1260,91 unequal: No Solution Exploring Operation: 70-18=52, Resulting Numbers: [52] 52,91 unequal: No Solution Exploring Operation: 70+18=88, Resulting Numbers: [88] 88,91 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 #0,0,1 Current State: 91:[19, 71], Operations: ['21-2=19', '1+70=71'] Exploring Operation: 71-19=52, Resulting Numbers: [52] 52,91 unequal: No Solution Exploring Operation: 19*71=1349, Resulting Numbers: [1349] 1349,91 unequal: No Solution Exploring Operation: 19+71=90, Resulting Numbers: [90] 90,91 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 #0,0,3 Current State: 91:[19, 70], Operations: ['21-2=19', '1*70=70'] Exploring Operation: 70-19=51, Resulting Numbers: [51] 51,91 unequal: No Solution Exploring Operation: 19+70=89, Resulting Numbers: [89] 89,91 unequal: No Solution Exploring Operation: 19*70=1330, Resulting Numbers: [1330] 1330,91 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:[1, 21, 72], Operations: ['2+70=72'] Exploring Operation: 21+72=93, Resulting Numbers: [1, 93] Generated Node #0,2,0: 91:[1, 93] Operation: 21+72=93 Exploring Operation: 1+72=73, Resulting Numbers: [21, 73] Generated Node #0,2,1: 91:[21, 73] Operation: 1+72=73 Exploring Operation: 1*21=21, Resulting Numbers: [72, 21] Generated Node #0,2,2: 91:[72, 21] Operation: 1*21=21 Exploring Operation: 21-1=20, Resulting Numbers: [72, 20] Generated Node #0,2,3: 91:[72, 20] Operation: 21-1=20 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 91:[1, 93], Operations: ['2+70=72', '21+72=93'] Exploring Operation: 1*93=93, Resulting Numbers: [93] 93,91 unequal: No Solution Exploring Operation: 93-1=92, Resulting Numbers: [92] 92,91 unequal: No Solution Exploring Operation: 1+93=94, Resulting Numbers: [94] 94,91 unequal: No Solution Exploring Operation: 93/1=93, Resulting Numbers: [93] 93,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 91:[21, 73], Operations: ['2+70=72', '1+72=73'] Exploring Operation: 21+73=94, Resulting Numbers: [94] 94,91 unequal: No Solution Exploring Operation: 21*73=1533, Resulting Numbers: [1533] 1533,91 unequal: No Solution Exploring Operation: 73-21=52, Resulting Numbers: [52] 52,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 91:[72, 20], Operations: ['2+70=72', '21-1=20'] Exploring Operation: 72-20=52, Resulting Numbers: [52] 52,91 unequal: No Solution Exploring Operation: 72*20=1440, Resulting Numbers: [1440] 1440,91 unequal: No Solution Exploring Operation: 72+20=92, Resulting Numbers: [92] 92,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 91:[72, 21], Operations: ['2+70=72', '1*21=21'] Exploring Operation: 72+21=93, Resulting Numbers: [93] 93,91 unequal: No Solution Exploring Operation: 72*21=1512, Resulting Numbers: [1512] 1512,91 unequal: No Solution Exploring Operation: 72-21=51, Resulting Numbers: [51] 51,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
sum_heuristic
[ 21, 24, 72, 9 ]
75
[ "24-21=3", "9/3=3", "72+3=75" ]
Current State: 75:[21, 24, 72, 9], Operations: [] Exploring Operation: 24-21=3, Resulting Numbers: [72, 9, 3] Generated Node #2: [72, 9, 3] from Operation: 24-21=3 Current State: 75:[72, 9, 3], Operations: ['24-21=3'] Exploring Operation: 9/3=3, Resulting Numbers: [72, 3] Generated Node #3: [72, 3] from Operation: 9/3=3 Current State: 75:[72, 3], Operations: ['24-21=3', '9/3=3'] Exploring Operation: 72+3=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
4
Current State: 75:[21, 24, 72, 9], Operations: [] Exploring Operation: 24-21=3, Resulting Numbers: [72, 9, 3] Generated Node #0,0: 75:[72, 9, 3] Operation: 24-21=3 Moving to Node #0,0 Current State: 75:[72, 9, 3], Operations: ['24-21=3'] Exploring Operation: 72/9=8, Resulting Numbers: [3, 8] Generated Node #0,0,0: 75:[3, 8] Operation: 72/9=8 Moving to Node #0,0,0 Current State: 75:[3, 8], Operations: ['24-21=3', '72/9=8'] Exploring Operation: 8-3=5, Resulting Numbers: [5] 5,75 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 23, 12, 47, 48 ]
66
[ "23+47=70", "48/12=4", "70-4=66" ]
Current State: 66:[23, 12, 47, 48], Operations: [] Exploring Operation: 23+47=70, Resulting Numbers: [12, 48, 70] Generated Node #2: [12, 48, 70] from Operation: 23+47=70 Current State: 66:[12, 48, 70], Operations: ['23+47=70'] Exploring Operation: 48/12=4, Resulting Numbers: [70, 4] Generated Node #3: [70, 4] from Operation: 48/12=4 Current State: 66:[70, 4], Operations: ['23+47=70', '48/12=4'] Exploring Operation: 70-4=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
4
Current State: 66:[23, 12, 47, 48], Operations: [] Exploring Operation: 48/12=4, Resulting Numbers: [23, 47, 4] Generated Node #0,0: 66:[23, 47, 4] Operation: 48/12=4 Exploring Operation: 48-47=1, Resulting Numbers: [23, 12, 1] Generated Node #0,1: 66:[23, 12, 1] Operation: 48-47=1 Start Sub Search at level 1: Moving to Node #0,1 Current State: 66:[23, 12, 1], Operations: ['48-47=1'] Exploring Operation: 23-1=22, Resulting Numbers: [12, 22] Generated Node #0,1,0: 66:[12, 22] Operation: 23-1=22 Exploring Operation: 23-12=11, Resulting Numbers: [1, 11] Generated Node #0,1,1: 66:[1, 11] Operation: 23-12=11 Moving to Node #0,1,0 Current State: 66:[12, 22], Operations: ['48-47=1', '23-1=22'] Exploring Operation: 22-12=10, Resulting Numbers: [10] 10,66 unequal: No Solution Exploring Operation: 12+22=34, Resulting Numbers: [34] 34,66 unequal: No Solution Moving to Node #0,1,1 Current State: 66:[1, 11], Operations: ['48-47=1', '23-12=11'] Exploring Operation: 1*11=11, Resulting Numbers: [11] 11,66 unequal: No Solution Exploring Operation: 11/1=11, Resulting Numbers: [11] 11,66 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 66:[23, 47, 4], Operations: ['48/12=4'] Exploring Operation: 23+47=70, Resulting Numbers: [4, 70] Generated Node #0,0,0: 66:[4, 70] Operation: 23+47=70 Exploring Operation: 47-23=24, Resulting Numbers: [4, 24] Generated Node #0,0,1: 66:[4, 24] Operation: 47-23=24 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 66:[4, 24], Operations: ['48/12=4', '47-23=24'] Exploring Operation: 24-4=20, Resulting Numbers: [20] 20,66 unequal: No Solution Exploring Operation: 24/4=6, Resulting Numbers: [6] 6,66 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 66:[4, 70], Operations: ['48/12=4', '23+47=70'] Exploring Operation: 4+70=74, Resulting Numbers: [74] 74,66 unequal: No Solution Exploring Operation: 70-4=66, Resulting Numbers: [66] 66,66 equal: Goal Reached Moving to Node #0 Current State: 66:[23, 12, 47, 48], Operations: [] Exploring Operation: 48/12=4, Resulting Numbers: [23, 47, 4] Generated Node #0,0: 66:[23, 47, 4] Operation: 48/12=4 Moving to Node #0,0 Current State: 66:[23, 47, 4], Operations: ['48/12=4'] Exploring Operation: 23+47=70, Resulting Numbers: [4, 70] Generated Node #0,0,0: 66:[4, 70] Operation: 23+47=70 Moving to Node #0,0,0 Current State: 66:[4, 70], Operations: ['48/12=4', '23+47=70'] Exploring Operation: 70-4=66, Resulting Numbers: [66] 66,66 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.984375
hs_2
sum_heuristic
[ 11, 73, 3, 19 ]
62
[ "11+73=84", "3+19=22", "84-22=62" ]
Current State: 62:[11, 73, 3, 19], Operations: [] Exploring Operation: 11+73=84, Resulting Numbers: [3, 19, 84] Generated Node #2: [3, 19, 84] from Operation: 11+73=84 Current State: 62:[3, 19, 84], Operations: ['11+73=84'] Exploring Operation: 3+19=22, Resulting Numbers: [84, 22] Generated Node #3: [84, 22] from Operation: 3+19=22 Current State: 62:[84, 22], Operations: ['11+73=84', '3+19=22'] Exploring Operation: 84-22=62, Resulting Numbers: [62] 62,62 equal: Goal Reached
4
Current State: 62:[11, 73, 3, 19], Operations: [] Exploring Operation: 73-11=62, Resulting Numbers: [3, 19, 62] Generated Node #0,0: 62:[3, 19, 62] Operation: 73-11=62 Exploring Operation: 11+19=30, Resulting Numbers: [73, 3, 30] Generated Node #0,1: 62:[73, 3, 30] Operation: 11+19=30 Exploring Operation: 11*3=33, Resulting Numbers: [73, 19, 33] Generated Node #0,2: 62:[73, 19, 33] Operation: 11*3=33 Exploring Operation: 73-19=54, Resulting Numbers: [11, 3, 54] Generated Node #0,3: 62:[11, 3, 54] Operation: 73-19=54 Exploring Operation: 19-11=8, Resulting Numbers: [73, 3, 8] Generated Node #0,4: 62:[73, 3, 8] Operation: 19-11=8 Moving to Node #0,0 Current State: 62:[3, 19, 62], Operations: ['73-11=62'] Exploring Operation: 3*19=57, Resulting Numbers: [62, 57] Generated Node #0,0,0: 62:[62, 57] Operation: 3*19=57 Exploring Operation: 3+62=65, Resulting Numbers: [19, 65] Generated Node #0,0,1: 62:[19, 65] Operation: 3+62=65 Exploring Operation: 3+19=22, Resulting Numbers: [62, 22] Generated Node #0,0,2: 62:[62, 22] Operation: 3+19=22 Exploring Operation: 19-3=16, Resulting Numbers: [62, 16] Generated Node #0,0,3: 62:[62, 16] Operation: 19-3=16 Exploring Operation: 62-19=43, Resulting Numbers: [3, 43] Generated Node #0,0,4: 62:[3, 43] Operation: 62-19=43 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 62:[62, 57], Operations: ['73-11=62', '3*19=57'] Exploring Operation: 62-57=5, Resulting Numbers: [5] 5,62 unequal: No Solution Exploring Operation: 62*57=3534, Resulting Numbers: [3534] 3534,62 unequal: No Solution Exploring Operation: 62+57=119, Resulting Numbers: [119] 119,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 62:[62, 22], Operations: ['73-11=62', '3+19=22'] Exploring Operation: 62*22=1364, Resulting Numbers: [1364] 1364,62 unequal: No Solution Exploring Operation: 62+22=84, Resulting Numbers: [84] 84,62 unequal: No Solution Exploring Operation: 62-22=40, Resulting Numbers: [40] 40,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 62:[3, 43], Operations: ['73-11=62', '62-19=43'] Exploring Operation: 3*43=129, Resulting Numbers: [129] 129,62 unequal: No Solution Exploring Operation: 3+43=46, Resulting Numbers: [46] 46,62 unequal: No Solution Exploring Operation: 43-3=40, Resulting Numbers: [40] 40,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 62:[62, 16], Operations: ['73-11=62', '19-3=16'] Exploring Operation: 62-16=46, Resulting Numbers: [46] 46,62 unequal: No Solution Exploring Operation: 62+16=78, Resulting Numbers: [78] 78,62 unequal: No Solution Exploring Operation: 62*16=992, Resulting Numbers: [992] 992,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 62:[19, 65], Operations: ['73-11=62', '3+62=65'] Exploring Operation: 19*65=1235, Resulting Numbers: [1235] 1235,62 unequal: No Solution Exploring Operation: 65-19=46, Resulting Numbers: [46] 46,62 unequal: No Solution Exploring Operation: 19+65=84, Resulting Numbers: [84] 84,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 62:[73, 3, 30], Operations: ['11+19=30'] Exploring Operation: 30-3=27, Resulting Numbers: [73, 27] Generated Node #0,1,0: 62:[73, 27] Operation: 30-3=27 Exploring Operation: 73-3=70, Resulting Numbers: [30, 70] Generated Node #0,1,1: 62:[30, 70] Operation: 73-3=70 Exploring Operation: 73+3=76, Resulting Numbers: [30, 76] Generated Node #0,1,2: 62:[30, 76] Operation: 73+3=76 Exploring Operation: 73-30=43, Resulting Numbers: [3, 43] Generated Node #0,1,3: 62:[3, 43] Operation: 73-30=43 Exploring Operation: 3+30=33, Resulting Numbers: [73, 33] Generated Node #0,1,4: 62:[73, 33] Operation: 3+30=33 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 62:[30, 70], Operations: ['11+19=30', '73-3=70'] Exploring Operation: 30+70=100, Resulting Numbers: [100] 100,62 unequal: No Solution Exploring Operation: 30*70=2100, Resulting Numbers: [2100] 2100,62 unequal: No Solution Exploring Operation: 70-30=40, Resulting Numbers: [40] 40,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 62:[3, 43], Operations: ['11+19=30', '73-30=43'] Exploring Operation: 43-3=40, Resulting Numbers: [40] 40,62 unequal: No Solution Exploring Operation: 3*43=129, Resulting Numbers: [129] 129,62 unequal: No Solution Exploring Operation: 3+43=46, Resulting Numbers: [46] 46,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 62:[73, 33], Operations: ['11+19=30', '3+30=33'] Exploring Operation: 73-33=40, Resulting Numbers: [40] 40,62 unequal: No Solution Exploring Operation: 73*33=2409, Resulting Numbers: [2409] 2409,62 unequal: No Solution Exploring Operation: 73+33=106, Resulting Numbers: [106] 106,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 62:[73, 27], Operations: ['11+19=30', '30-3=27'] Exploring Operation: 73*27=1971, Resulting Numbers: [1971] 1971,62 unequal: No Solution Exploring Operation: 73-27=46, Resulting Numbers: [46] 46,62 unequal: No Solution Exploring Operation: 73+27=100, Resulting Numbers: [100] 100,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 62:[30, 76], Operations: ['11+19=30', '73+3=76'] Exploring Operation: 76-30=46, Resulting Numbers: [46] 46,62 unequal: No Solution Exploring Operation: 30+76=106, Resulting Numbers: [106] 106,62 unequal: No Solution Exploring Operation: 30*76=2280, Resulting Numbers: [2280] 2280,62 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: 62:[11, 3, 54], Operations: ['73-19=54'] Exploring Operation: 3+54=57, Resulting Numbers: [11, 57] Generated Node #0,3,0: 62:[11, 57] Operation: 3+54=57 Exploring Operation: 11*3=33, Resulting Numbers: [54, 33] Generated Node #0,3,1: 62:[54, 33] Operation: 11*3=33 Exploring Operation: 11-3=8, Resulting Numbers: [54, 8] Generated Node #0,3,2: 62:[54, 8] Operation: 11-3=8 Exploring Operation: 11+54=65, Resulting Numbers: [3, 65] Generated Node #0,3,3: 62:[3, 65] Operation: 11+54=65 Exploring Operation: 54-11=43, Resulting Numbers: [3, 43] Generated Node #0,3,4: 62:[3, 43] Operation: 54-11=43 Moving to Node #0,4 Current State: 62:[73, 3, 8], Operations: ['19-11=8'] Exploring Operation: 73+3=76, Resulting Numbers: [8, 76] Generated Node #0,4,0: 62:[8, 76] Operation: 73+3=76 Exploring Operation: 73-8=65, Resulting Numbers: [3, 65] Generated Node #0,4,1: 62:[3, 65] Operation: 73-8=65 Exploring Operation: 3*8=24, Resulting Numbers: [73, 24] Generated Node #0,4,2: 62:[73, 24] Operation: 3*8=24 Exploring Operation: 8-3=5, Resulting Numbers: [73, 5] Generated Node #0,4,3: 62:[73, 5] Operation: 8-3=5 Exploring Operation: 73-3=70, Resulting Numbers: [8, 70] Generated Node #0,4,4: 62:[8, 70] Operation: 73-3=70 Moving to Node #0,2 Current State: 62:[73, 19, 33], Operations: ['11*3=33'] Exploring Operation: 19+33=52, Resulting Numbers: [73, 52] Generated Node #0,2,0: 62:[73, 52] Operation: 19+33=52 Exploring Operation: 73-19=54, Resulting Numbers: [33, 54] Generated Node #0,2,1: 62:[33, 54] Operation: 73-19=54 Exploring Operation: 33-19=14, Resulting Numbers: [73, 14] Generated Node #0,2,2: 62:[73, 14] Operation: 33-19=14 Exploring Operation: 73+19=92, Resulting Numbers: [33, 92] Generated Node #0,2,3: 62:[33, 92] Operation: 73+19=92 Exploring Operation: 73-33=40, Resulting Numbers: [19, 40] Generated Node #0,2,4: 62:[19, 40] Operation: 73-33=40 Moving to Node #0,3,3 Current State: 62:[3, 65], Operations: ['73-19=54', '11+54=65'] Exploring Operation: 65-3=62, Resulting Numbers: [62] 62,62 equal: Goal Reached Moving to Node #0 Current State: 62:[11, 73, 3, 19], Operations: [] Exploring Operation: 73-19=54, Resulting Numbers: [11, 3, 54] Generated Node #0,3: 62:[11, 3, 54] Operation: 73-19=54 Moving to Node #0,3 Current State: 62:[11, 3, 54], Operations: ['73-19=54'] Exploring Operation: 11+54=65, Resulting Numbers: [3, 65] Generated Node #0,3,3: 62:[3, 65] Operation: 11+54=65 Moving to Node #0,3,3 Current State: 62:[3, 65], Operations: ['73-19=54', '11+54=65'] Exploring Operation: 65-3=62, Resulting Numbers: [62] 62,62 equal: Goal Reached
0.943576
hs_5
mult_heuristic
[ 15, 67, 89, 93 ]
100
[ "15+67=82", "89+93=182", "182-82=100" ]
Current State: 100:[15, 67, 89, 93], Operations: [] Exploring Operation: 15+67=82, Resulting Numbers: [89, 93, 82] Generated Node #2: [89, 93, 82] from Operation: 15+67=82 Current State: 100:[89, 93, 82], Operations: ['15+67=82'] Exploring Operation: 89+93=182, Resulting Numbers: [82, 182] Generated Node #3: [82, 182] from Operation: 89+93=182 Current State: 100:[82, 182], Operations: ['15+67=82', '89+93=182'] Exploring Operation: 182-82=100, Resulting Numbers: [100] 100,100 equal: Goal Reached
4
Current State: 100:[15, 67, 89, 93], Operations: [] Exploring Operation: 93-67=26, Resulting Numbers: [15, 89, 26] Generated Node #0,0: 100:[15, 89, 26] Operation: 93-67=26 Exploring Operation: 89-67=22, Resulting Numbers: [15, 93, 22] Generated Node #0,1: 100:[15, 93, 22] Operation: 89-67=22 Exploring Operation: 67-15=52, Resulting Numbers: [89, 93, 52] Generated Node #0,2: 100:[89, 93, 52] Operation: 67-15=52 Start Sub Search at level 1: Moving to Node #0,1 Current State: 100:[15, 93, 22], Operations: ['89-67=22'] Exploring Operation: 15+93=108, Resulting Numbers: [22, 108] Generated Node #0,1,0: 100:[22, 108] Operation: 15+93=108 Exploring Operation: 22-15=7, Resulting Numbers: [93, 7] Generated Node #0,1,1: 100:[93, 7] Operation: 22-15=7 Exploring Operation: 15+22=37, Resulting Numbers: [93, 37] Generated Node #0,1,2: 100:[93, 37] Operation: 15+22=37 Moving to Node #0,1,1 Current State: 100:[93, 7], Operations: ['89-67=22', '22-15=7'] Exploring Operation: 93*7=651, Resulting Numbers: [651] 651,100 unequal: No Solution Exploring Operation: 93-7=86, Resulting Numbers: [86] 86,100 unequal: No Solution Exploring Operation: 93+7=100, Resulting Numbers: [100] 100,100 equal: Goal Reached Moving to Node #0 Current State: 100:[15, 67, 89, 93], Operations: [] Exploring Operation: 89-67=22, Resulting Numbers: [15, 93, 22] Generated Node #0,1: 100:[15, 93, 22] Operation: 89-67=22 Moving to Node #0,1 Current State: 100:[15, 93, 22], Operations: ['89-67=22'] Exploring Operation: 22-15=7, Resulting Numbers: [93, 7] Generated Node #0,1,1: 100:[93, 7] Operation: 22-15=7 Moving to Node #0,1,1 Current State: 100:[93, 7], Operations: ['89-67=22', '22-15=7'] Exploring Operation: 93+7=100, Resulting Numbers: [100] 100,100 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_3
mult_heuristic
[ 23, 71, 47, 67 ]
66
[ "71-23=48", "47+67=114", "114-48=66" ]
Current State: 66:[23, 71, 47, 67], Operations: [] Exploring Operation: 71-23=48, Resulting Numbers: [47, 67, 48] Generated Node #2: [47, 67, 48] from Operation: 71-23=48 Current State: 66:[47, 67, 48], Operations: ['71-23=48'] Exploring Operation: 47+67=114, Resulting Numbers: [48, 114] Generated Node #3: [48, 114] from Operation: 47+67=114 Current State: 66:[48, 114], Operations: ['71-23=48', '47+67=114'] Exploring Operation: 114-48=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
4
Current State: 66:[23, 71, 47, 67], Operations: [] Exploring Operation: 71-67=4, Resulting Numbers: [23, 47, 4] Generated Node #0,0: 66:[23, 47, 4] Operation: 71-67=4 Exploring Operation: 23+47=70, Resulting Numbers: [71, 67, 70] Generated Node #0,1: 66:[71, 67, 70] Operation: 23+47=70 Exploring Operation: 47-23=24, Resulting Numbers: [71, 67, 24] Generated Node #0,2: 66:[71, 67, 24] Operation: 47-23=24 Exploring Operation: 71-47=24, Resulting Numbers: [23, 67, 24] Generated Node #0,3: 66:[23, 67, 24] Operation: 71-47=24 Exploring Operation: 67-47=20, Resulting Numbers: [23, 71, 20] Generated Node #0,4: 66:[23, 71, 20] Operation: 67-47=20 Moving to Node #0,3 Current State: 66:[23, 67, 24], Operations: ['71-47=24'] Exploring Operation: 24-23=1, Resulting Numbers: [67, 1] Generated Node #0,3,0: 66:[67, 1] Operation: 24-23=1 Exploring Operation: 23+67=90, Resulting Numbers: [24, 90] Generated Node #0,3,1: 66:[24, 90] Operation: 23+67=90 Exploring Operation: 67-23=44, Resulting Numbers: [24, 44] Generated Node #0,3,2: 66:[24, 44] Operation: 67-23=44 Exploring Operation: 67-24=43, Resulting Numbers: [23, 43] Generated Node #0,3,3: 66:[23, 43] Operation: 67-24=43 Exploring Operation: 23+24=47, Resulting Numbers: [67, 47] Generated Node #0,3,4: 66:[67, 47] Operation: 23+24=47 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 66:[67, 1], Operations: ['71-47=24', '24-23=1'] Exploring Operation: 67/1=67, Resulting Numbers: [67] 67,66 unequal: No Solution Exploring Operation: 67+1=68, Resulting Numbers: [68] 68,66 unequal: No Solution Exploring Operation: 67-1=66, Resulting Numbers: [66] 66,66 equal: Goal Reached Moving to Node #0 Current State: 66:[23, 71, 47, 67], Operations: [] Exploring Operation: 71-47=24, Resulting Numbers: [23, 67, 24] Generated Node #0,3: 66:[23, 67, 24] Operation: 71-47=24 Moving to Node #0,3 Current State: 66:[23, 67, 24], Operations: ['71-47=24'] Exploring Operation: 24-23=1, Resulting Numbers: [67, 1] Generated Node #0,3,0: 66:[67, 1] Operation: 24-23=1 Moving to Node #0,3,0 Current State: 66:[67, 1], Operations: ['71-47=24', '24-23=1'] Exploring Operation: 67-1=66, Resulting Numbers: [66] 66,66 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_5
sum_heuristic
[ 36, 23, 52, 9 ]
79
[ "36/9=4", "23+52=75", "4+75=79" ]
Current State: 79:[36, 23, 52, 9], Operations: [] Exploring Operation: 36/9=4, Resulting Numbers: [23, 52, 4] Generated Node #2: [23, 52, 4] from Operation: 36/9=4 Current State: 79:[23, 52, 4], Operations: ['36/9=4'] Exploring Operation: 23+52=75, Resulting Numbers: [4, 75] Generated Node #3: [4, 75] from Operation: 23+52=75 Current State: 79:[4, 75], Operations: ['36/9=4', '23+52=75'] Exploring Operation: 4+75=79, Resulting Numbers: [79] 79,79 equal: Goal Reached
4
Current State: 79:[36, 23, 52, 9], Operations: [] Exploring Operation: 23+52=75, Resulting Numbers: [36, 9, 75] Generated Node #0,0: 79:[36, 9, 75] Operation: 23+52=75 Exploring Operation: 36+9=45, Resulting Numbers: [23, 52, 45] Generated Node #0,1: 79:[23, 52, 45] Operation: 36+9=45 Exploring Operation: 36+23=59, Resulting Numbers: [52, 9, 59] Generated Node #0,2: 79:[52, 9, 59] Operation: 36+23=59 Moving to Node #0,0 Current State: 79:[36, 9, 75], Operations: ['23+52=75'] Exploring Operation: 9+75=84, Resulting Numbers: [36, 84] Generated Node #0,0,0: 79:[36, 84] Operation: 9+75=84 Exploring Operation: 36-9=27, Resulting Numbers: [75, 27] Generated Node #0,0,1: 79:[75, 27] Operation: 36-9=27 Exploring Operation: 36+9=45, Resulting Numbers: [75, 45] Generated Node #0,0,2: 79:[75, 45] Operation: 36+9=45 Moving to Node #0,1 Current State: 79:[23, 52, 45], Operations: ['36+9=45'] Exploring Operation: 52+45=97, Resulting Numbers: [23, 97] Generated Node #0,1,0: 79:[23, 97] Operation: 52+45=97 Exploring Operation: 23+45=68, Resulting Numbers: [52, 68] Generated Node #0,1,1: 79:[52, 68] Operation: 23+45=68 Exploring Operation: 23+52=75, Resulting Numbers: [45, 75] Generated Node #0,1,2: 79:[45, 75] Operation: 23+52=75 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 79:[52, 68], Operations: ['36+9=45', '23+45=68'] Exploring Operation: 68-52=16, Resulting Numbers: [16] 16,79 unequal: No Solution Exploring Operation: 52*68=3536, Resulting Numbers: [3536] 3536,79 unequal: No Solution Exploring Operation: 52+68=120, Resulting Numbers: [120] 120,79 unequal: No Solution No 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: 79:[45, 75], Operations: ['36+9=45', '23+52=75'] Exploring Operation: 45+75=120, Resulting Numbers: [120] 120,79 unequal: No Solution Exploring Operation: 75-45=30, Resulting Numbers: [30] 30,79 unequal: No Solution Exploring Operation: 45*75=3375, Resulting Numbers: [3375] 3375,79 unequal: No Solution No 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: 79:[23, 97], Operations: ['36+9=45', '52+45=97'] Exploring Operation: 23*97=2231, Resulting Numbers: [2231] 2231,79 unequal: No Solution Exploring Operation: 97-23=74, Resulting Numbers: [74] 74,79 unequal: No Solution Exploring Operation: 23+97=120, Resulting Numbers: [120] 120,79 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: 79:[52, 9, 59], Operations: ['36+23=59'] Exploring Operation: 52-9=43, Resulting Numbers: [59, 43] Generated Node #0,2,0: 79:[59, 43] Operation: 52-9=43 Exploring Operation: 9+59=68, Resulting Numbers: [52, 68] Generated Node #0,2,1: 79:[52, 68] Operation: 9+59=68 Exploring Operation: 52+9=61, Resulting Numbers: [59, 61] Generated Node #0,2,2: 79:[59, 61] Operation: 52+9=61 Moving to Node #0,0,2 Current State: 79:[75, 45], Operations: ['23+52=75', '36+9=45'] Exploring Operation: 75*45=3375, Resulting Numbers: [3375] 3375,79 unequal: No Solution Exploring Operation: 75-45=30, Resulting Numbers: [30] 30,79 unequal: No Solution Exploring Operation: 75+45=120, Resulting Numbers: [120] 120,79 unequal: No Solution Moving to Node #0,2,1 Current State: 79:[52, 68], Operations: ['36+23=59', '9+59=68'] Exploring Operation: 68-52=16, Resulting Numbers: [16] 16,79 unequal: No Solution Exploring Operation: 52*68=3536, Resulting Numbers: [3536] 3536,79 unequal: No Solution Exploring Operation: 52+68=120, Resulting Numbers: [120] 120,79 unequal: No Solution Moving to Node #0,2,2 Current State: 79:[59, 61], Operations: ['36+23=59', '52+9=61'] Exploring Operation: 59*61=3599, Resulting Numbers: [3599] 3599,79 unequal: No Solution Exploring Operation: 59+61=120, Resulting Numbers: [120] 120,79 unequal: No Solution Exploring Operation: 61-59=2, Resulting Numbers: [2] 2,79 unequal: No Solution Moving to Node #0,0,0 Current State: 79:[36, 84], Operations: ['23+52=75', '9+75=84'] Exploring Operation: 84-36=48, Resulting Numbers: [48] 48,79 unequal: No Solution Exploring Operation: 36*84=3024, Resulting Numbers: [3024] 3024,79 unequal: No Solution Exploring Operation: 36+84=120, Resulting Numbers: [120] 120,79 unequal: No Solution Moving to Node #0,2,0 Current State: 79:[59, 43], Operations: ['36+23=59', '52-9=43'] Exploring Operation: 59+43=102, Resulting Numbers: [102] 102,79 unequal: No Solution Exploring Operation: 59*43=2537, Resulting Numbers: [2537] 2537,79 unequal: No Solution Exploring Operation: 59-43=16, Resulting Numbers: [16] 16,79 unequal: No Solution Moving to Node #0,0,1 Current State: 79:[75, 27], Operations: ['23+52=75', '36-9=27'] Exploring Operation: 75-27=48, Resulting Numbers: [48] 48,79 unequal: No Solution Exploring Operation: 75*27=2025, Resulting Numbers: [2025] 2025,79 unequal: No Solution Exploring Operation: 75+27=102, Resulting Numbers: [102] 102,79 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 74, 31, 2, 13 ]
14
[ "31+13=44", "2*44=88", "88-74=14" ]
Current State: 14:[74, 31, 2, 13], Operations: [] Exploring Operation: 31+13=44, Resulting Numbers: [74, 2, 44] Generated Node #2: [74, 2, 44] from Operation: 31+13=44 Current State: 14:[74, 2, 44], Operations: ['31+13=44'] Exploring Operation: 2*44=88, Resulting Numbers: [74, 88] Generated Node #3: [74, 88] from Operation: 2*44=88 Current State: 14:[74, 88], Operations: ['31+13=44', '2*44=88'] Exploring Operation: 88-74=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
4
Current State: 14:[74, 31, 2, 13], Operations: [] Exploring Operation: 74-13=61, Resulting Numbers: [31, 2, 61] Generated Node #0,0: 14:[31, 2, 61] Operation: 74-13=61 Exploring Operation: 74/2=37, Resulting Numbers: [31, 13, 37] Generated Node #0,1: 14:[31, 13, 37] Operation: 74/2=37 Exploring Operation: 74-31=43, Resulting Numbers: [2, 13, 43] Generated Node #0,2: 14:[2, 13, 43] Operation: 74-31=43 Moving to Node #0,2 Current State: 14:[2, 13, 43], Operations: ['74-31=43'] Exploring Operation: 43-2=41, Resulting Numbers: [13, 41] Generated Node #0,2,0: 14:[13, 41] Operation: 43-2=41 Exploring Operation: 43-13=30, Resulting Numbers: [2, 30] Generated Node #0,2,1: 14:[2, 30] Operation: 43-13=30 Exploring Operation: 2+13=15, Resulting Numbers: [43, 15] Generated Node #0,2,2: 14:[43, 15] Operation: 2+13=15 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 14:[2, 30], Operations: ['74-31=43', '43-13=30'] Exploring Operation: 30-2=28, Resulting Numbers: [28] 28,14 unequal: No Solution Exploring Operation: 2+30=32, Resulting Numbers: [32] 32,14 unequal: No Solution Exploring Operation: 30/2=15, Resulting Numbers: [15] 15,14 unequal: No Solution No 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: 14:[13, 41], Operations: ['74-31=43', '43-2=41'] Exploring Operation: 13+41=54, Resulting Numbers: [54] 54,14 unequal: No Solution Exploring Operation: 41-13=28, Resulting Numbers: [28] 28,14 unequal: No Solution Exploring Operation: 13*41=533, Resulting Numbers: [533] 533,14 unequal: No Solution No 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: 14:[43, 15], Operations: ['74-31=43', '2+13=15'] Exploring Operation: 43+15=58, Resulting Numbers: [58] 58,14 unequal: No Solution Exploring Operation: 43-15=28, Resulting Numbers: [28] 28,14 unequal: No Solution Exploring Operation: 43*15=645, Resulting Numbers: [645] 645,14 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: 14:[31, 13, 37], Operations: ['74/2=37'] Exploring Operation: 31-13=18, Resulting Numbers: [37, 18] Generated Node #0,1,0: 14:[37, 18] Operation: 31-13=18 Exploring Operation: 37-13=24, Resulting Numbers: [31, 24] Generated Node #0,1,1: 14:[31, 24] Operation: 37-13=24 Exploring Operation: 37-31=6, Resulting Numbers: [13, 6] Generated Node #0,1,2: 14:[13, 6] Operation: 37-31=6 Moving to Node #0,0 Current State: 14:[31, 2, 61], Operations: ['74-13=61'] Exploring Operation: 61-2=59, Resulting Numbers: [31, 59] Generated Node #0,0,0: 14:[31, 59] Operation: 61-2=59 Exploring Operation: 31-2=29, Resulting Numbers: [61, 29] Generated Node #0,0,1: 14:[61, 29] Operation: 31-2=29 Exploring Operation: 61-31=30, Resulting Numbers: [2, 30] Generated Node #0,0,2: 14:[2, 30] Operation: 61-31=30 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 14:[2, 30], Operations: ['74-13=61', '61-31=30'] Exploring Operation: 2+30=32, Resulting Numbers: [32] 32,14 unequal: No Solution Exploring Operation: 30-2=28, Resulting Numbers: [28] 28,14 unequal: No Solution Exploring Operation: 30/2=15, Resulting Numbers: [15] 15,14 unequal: No Solution No 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: 14:[31, 59], Operations: ['74-13=61', '61-2=59'] Exploring Operation: 31*59=1829, Resulting Numbers: [1829] 1829,14 unequal: No Solution Exploring Operation: 59-31=28, Resulting Numbers: [28] 28,14 unequal: No Solution Exploring Operation: 31+59=90, Resulting Numbers: [90] 90,14 unequal: No Solution No 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: 14:[61, 29], Operations: ['74-13=61', '31-2=29'] Exploring Operation: 61+29=90, Resulting Numbers: [90] 90,14 unequal: No Solution Exploring Operation: 61-29=32, Resulting Numbers: [32] 32,14 unequal: No Solution Exploring Operation: 61*29=1769, Resulting Numbers: [1769] 1769,14 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1,2 Current State: 14:[13, 6], Operations: ['74/2=37', '37-31=6'] Exploring Operation: 13*6=78, Resulting Numbers: [78] 78,14 unequal: No Solution Exploring Operation: 13+6=19, Resulting Numbers: [19] 19,14 unequal: No Solution Exploring Operation: 13-6=7, Resulting Numbers: [7] 7,14 unequal: No Solution Moving to Node #0,1,0 Current State: 14:[37, 18], Operations: ['74/2=37', '31-13=18'] Exploring Operation: 37-18=19, Resulting Numbers: [19] 19,14 unequal: No Solution Exploring Operation: 37+18=55, Resulting Numbers: [55] 55,14 unequal: No Solution Exploring Operation: 37*18=666, Resulting Numbers: [666] 666,14 unequal: No Solution Moving to Node #0,1,1 Current State: 14:[31, 24], Operations: ['74/2=37', '37-13=24'] Exploring Operation: 31+24=55, Resulting Numbers: [55] 55,14 unequal: No Solution Exploring Operation: 31*24=744, Resulting Numbers: [744] 744,14 unequal: No Solution Exploring Operation: 31-24=7, Resulting Numbers: [7] 7,14 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 10, 78, 26, 99 ]
69
[ "10*78=780", "780/26=30", "99-30=69" ]
Current State: 69:[10, 78, 26, 99], Operations: [] Exploring Operation: 10*78=780, Resulting Numbers: [26, 99, 780] Generated Node #2: [26, 99, 780] from Operation: 10*78=780 Current State: 69:[26, 99, 780], Operations: ['10*78=780'] Exploring Operation: 780/26=30, Resulting Numbers: [99, 30] Generated Node #3: [99, 30] from Operation: 780/26=30 Current State: 69:[99, 30], Operations: ['10*78=780', '780/26=30'] Exploring Operation: 99-30=69, Resulting Numbers: [69] 69,69 equal: Goal Reached
4
Current State: 69:[10, 78, 26, 99], Operations: [] Exploring Operation: 99-78=21, Resulting Numbers: [10, 26, 21] Generated Node #0,0: 69:[10, 26, 21] Operation: 99-78=21 Start Sub Search at level 1: Moving to Node #0,0 Current State: 69:[10, 26, 21], Operations: ['99-78=21'] Exploring Operation: 26-10=16, Resulting Numbers: [21, 16] Generated Node #0,0,0: 69:[21, 16] Operation: 26-10=16 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 69:[21, 16], Operations: ['99-78=21', '26-10=16'] Exploring Operation: 21-16=5, Resulting Numbers: [5] 5,69 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, 24, 48, 79 ]
38
[ "93-24=69", "79-48=31", "69-31=38" ]
Current State: 38:[93, 24, 48, 79], Operations: [] Exploring Operation: 93-24=69, Resulting Numbers: [48, 79, 69] Generated Node #2: [48, 79, 69] from Operation: 93-24=69 Current State: 38:[48, 79, 69], Operations: ['93-24=69'] Exploring Operation: 79-48=31, Resulting Numbers: [69, 31] Generated Node #3: [69, 31] from Operation: 79-48=31 Current State: 38:[69, 31], Operations: ['93-24=69', '79-48=31'] Exploring Operation: 69-31=38, Resulting Numbers: [38] 38,38 equal: Goal Reached
4
Current State: 38:[93, 24, 48, 79], Operations: [] Exploring Operation: 93-48=45, Resulting Numbers: [24, 79, 45] Generated Node #0,0: 38:[24, 79, 45] Operation: 93-48=45 Exploring Operation: 93-79=14, Resulting Numbers: [24, 48, 14] Generated Node #0,1: 38:[24, 48, 14] Operation: 93-79=14 Exploring Operation: 79-48=31, Resulting Numbers: [93, 24, 31] Generated Node #0,2: 38:[93, 24, 31] Operation: 79-48=31 Exploring Operation: 93-24=69, Resulting Numbers: [48, 79, 69] Generated Node #0,3: 38:[48, 79, 69] Operation: 93-24=69 Start Sub Search at level 1: Moving to Node #0,1 Current State: 38:[24, 48, 14], Operations: ['93-79=14'] Exploring Operation: 48-24=24, Resulting Numbers: [14, 24] Generated Node #0,1,0: 38:[14, 24] Operation: 48-24=24 Exploring Operation: 48/24=2, Resulting Numbers: [14, 2] Generated Node #0,1,1: 38:[14, 2] Operation: 48/24=2 Exploring Operation: 24+14=38, Resulting Numbers: [48, 38] Generated Node #0,1,2: 38:[48, 38] Operation: 24+14=38 Exploring Operation: 48-14=34, Resulting Numbers: [24, 34] Generated Node #0,1,3: 38:[24, 34] Operation: 48-14=34 Moving to Node #0,1,1 Current State: 38:[14, 2], Operations: ['93-79=14', '48/24=2'] Exploring Operation: 14/2=7, Resulting Numbers: [7] 7,38 unequal: No Solution Exploring Operation: 14-2=12, Resulting Numbers: [12] 12,38 unequal: No Solution Exploring Operation: 14+2=16, Resulting Numbers: [16] 16,38 unequal: No Solution Exploring Operation: 14*2=28, Resulting Numbers: [28] 28,38 unequal: No Solution Moving to Node #0,1,3 Current State: 38:[24, 34], Operations: ['93-79=14', '48-14=34'] Exploring Operation: 34-24=10, Resulting Numbers: [10] 10,38 unequal: No Solution Exploring Operation: 24+34=58, Resulting Numbers: [58] 58,38 unequal: No Solution Exploring Operation: 24*34=816, Resulting Numbers: [816] 816,38 unequal: No Solution Moving to Node #0,1,2 Current State: 38:[48, 38], Operations: ['93-79=14', '24+14=38'] Exploring Operation: 48*38=1824, Resulting Numbers: [1824] 1824,38 unequal: No Solution Exploring Operation: 48-38=10, Resulting Numbers: [10] 10,38 unequal: No Solution Exploring Operation: 48+38=86, Resulting Numbers: [86] 86,38 unequal: No Solution Moving to Node #0,1,0 Current State: 38:[14, 24], Operations: ['93-79=14', '48-24=24'] Exploring Operation: 24-14=10, Resulting Numbers: [10] 10,38 unequal: No Solution Exploring Operation: 14*24=336, Resulting Numbers: [336] 336,38 unequal: No Solution Exploring Operation: 14+24=38, Resulting Numbers: [38] 38,38 equal: Goal Reached Moving to Node #0 Current State: 38:[93, 24, 48, 79], Operations: [] Exploring Operation: 93-79=14, Resulting Numbers: [24, 48, 14] Generated Node #0,1: 38:[24, 48, 14] Operation: 93-79=14 Moving to Node #0,1 Current State: 38:[24, 48, 14], Operations: ['93-79=14'] Exploring Operation: 48-24=24, Resulting Numbers: [14, 24] Generated Node #0,1,0: 38:[14, 24] Operation: 48-24=24 Moving to Node #0,1,0 Current State: 38:[14, 24], Operations: ['93-79=14', '48-24=24'] Exploring Operation: 14+24=38, Resulting Numbers: [38] 38,38 equal: Goal Reached Exit Sub Search at level 1
0.978299
hs_4
sum_heuristic
[ 63, 41, 52, 12 ]
63
[ "52-41=11", "12-11=1", "63*1=63" ]
Current State: 63:[63, 41, 52, 12], Operations: [] Exploring Operation: 52-41=11, Resulting Numbers: [63, 12, 11] Generated Node #2: [63, 12, 11] from Operation: 52-41=11 Current State: 63:[63, 12, 11], Operations: ['52-41=11'] Exploring Operation: 12-11=1, Resulting Numbers: [63, 1] Generated Node #3: [63, 1] from Operation: 12-11=1 Current State: 63:[63, 1], Operations: ['52-41=11', '12-11=1'] Exploring Operation: 63*1=63, Resulting Numbers: [63] 63,63 equal: Goal Reached
4
Current State: 63:[63, 41, 52, 12], Operations: [] Exploring Operation: 63-41=22, Resulting Numbers: [52, 12, 22] Generated Node #0,0: 63:[52, 12, 22] Operation: 63-41=22 Exploring Operation: 41-12=29, Resulting Numbers: [63, 52, 29] Generated Node #0,1: 63:[63, 52, 29] Operation: 41-12=29 Exploring Operation: 52-41=11, Resulting Numbers: [63, 12, 11] Generated Node #0,2: 63:[63, 12, 11] Operation: 52-41=11 Start Sub Search at level 1: Moving to Node #0,2 Current State: 63:[63, 12, 11], Operations: ['52-41=11'] Exploring Operation: 12+11=23, Resulting Numbers: [63, 23] Generated Node #0,2,0: 63:[63, 23] Operation: 12+11=23 Exploring Operation: 12-11=1, Resulting Numbers: [63, 1] Generated Node #0,2,1: 63:[63, 1] Operation: 12-11=1 Exploring Operation: 63+12=75, Resulting Numbers: [11, 75] Generated Node #0,2,2: 63:[11, 75] Operation: 63+12=75 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 63:[63, 23], Operations: ['52-41=11', '12+11=23'] Exploring Operation: 63*23=1449, Resulting Numbers: [1449] 1449,63 unequal: No Solution Exploring Operation: 63+23=86, Resulting Numbers: [86] 86,63 unequal: No Solution Exploring Operation: 63-23=40, Resulting Numbers: [40] 40,63 unequal: No Solution No 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: 63:[63, 1], Operations: ['52-41=11', '12-11=1'] Exploring Operation: 63+1=64, Resulting Numbers: [64] 64,63 unequal: No Solution Exploring Operation: 63*1=63, Resulting Numbers: [63] 63,63 equal: Goal Reached Moving to Node #0 Current State: 63:[63, 41, 52, 12], Operations: [] Exploring Operation: 52-41=11, Resulting Numbers: [63, 12, 11] Generated Node #0,2: 63:[63, 12, 11] Operation: 52-41=11 Moving to Node #0,2 Current State: 63:[63, 12, 11], Operations: ['52-41=11'] Exploring Operation: 12-11=1, Resulting Numbers: [63, 1] Generated Node #0,2,1: 63:[63, 1] Operation: 12-11=1 Moving to Node #0,2,1 Current State: 63:[63, 1], Operations: ['52-41=11', '12-11=1'] Exploring Operation: 63*1=63, Resulting Numbers: [63] 63,63 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986979
hs_3
mult_heuristic
[ 1, 64, 91, 57 ]
98
[ "1*64=64", "91-57=34", "64+34=98" ]
Current State: 98:[1, 64, 91, 57], Operations: [] Exploring Operation: 1*64=64, Resulting Numbers: [91, 57, 64] Generated Node #2: [91, 57, 64] from Operation: 1*64=64 Current State: 98:[91, 57, 64], Operations: ['1*64=64'] Exploring Operation: 91-57=34, Resulting Numbers: [64, 34] Generated Node #3: [64, 34] from Operation: 91-57=34 Current State: 98:[64, 34], Operations: ['1*64=64', '91-57=34'] Exploring Operation: 64+34=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
4
Current State: 98:[1, 64, 91, 57], Operations: [] Exploring Operation: 64-1=63, Resulting Numbers: [91, 57, 63] Generated Node #0,0: 98:[91, 57, 63] Operation: 64-1=63 Exploring Operation: 1+91=92, Resulting Numbers: [64, 57, 92] Generated Node #0,1: 98:[64, 57, 92] Operation: 1+91=92 Exploring Operation: 64-57=7, Resulting Numbers: [1, 91, 7] Generated Node #0,2: 98:[1, 91, 7] Operation: 64-57=7 Exploring Operation: 91-64=27, Resulting Numbers: [1, 57, 27] Generated Node #0,3: 98:[1, 57, 27] Operation: 91-64=27 Moving to Node #0,2 Current State: 98:[1, 91, 7], Operations: ['64-57=7'] Exploring Operation: 1+91=92, Resulting Numbers: [7, 92] Generated Node #0,2,0: 98:[7, 92] Operation: 1+91=92 Exploring Operation: 1*91=91, Resulting Numbers: [7, 91] Generated Node #0,2,1: 98:[7, 91] Operation: 1*91=91 Exploring Operation: 91/7=13, Resulting Numbers: [1, 13] Generated Node #0,2,2: 98:[1, 13] Operation: 91/7=13 Exploring Operation: 91+7=98, Resulting Numbers: [1, 98] Generated Node #0,2,3: 98:[1, 98] Operation: 91+7=98 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 98:[1, 98], Operations: ['64-57=7', '91+7=98'] Exploring Operation: 98-1=97, Resulting Numbers: [97] 97,98 unequal: No Solution Exploring Operation: 1+98=99, Resulting Numbers: [99] 99,98 unequal: No Solution Exploring Operation: 98/1=98, Resulting Numbers: [98] 98,98 equal: Goal Reached Moving to Node #0 Current State: 98:[1, 64, 91, 57], Operations: [] Exploring Operation: 64-57=7, Resulting Numbers: [1, 91, 7] Generated Node #0,2: 98:[1, 91, 7] Operation: 64-57=7 Moving to Node #0,2 Current State: 98:[1, 91, 7], Operations: ['64-57=7'] Exploring Operation: 91+7=98, Resulting Numbers: [1, 98] Generated Node #0,2,3: 98:[1, 98] Operation: 91+7=98 Moving to Node #0,2,3 Current State: 98:[1, 98], Operations: ['64-57=7', '91+7=98'] Exploring Operation: 98/1=98, Resulting Numbers: [98] 98,98 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_4
mult_heuristic
[ 77, 79, 3, 38 ]
70
[ "79-77=2", "38-3=35", "2*35=70" ]
Current State: 70:[77, 79, 3, 38], Operations: [] Exploring Operation: 79-77=2, Resulting Numbers: [3, 38, 2] Generated Node #2: [3, 38, 2] from Operation: 79-77=2 Current State: 70:[3, 38, 2], Operations: ['79-77=2'] Exploring Operation: 38-3=35, Resulting Numbers: [2, 35] Generated Node #3: [2, 35] from Operation: 38-3=35 Current State: 70:[2, 35], Operations: ['79-77=2', '38-3=35'] Exploring Operation: 2*35=70, Resulting Numbers: [70] 70,70 equal: Goal Reached
4
Current State: 70:[77, 79, 3, 38], Operations: [] Exploring Operation: 79-38=41, Resulting Numbers: [77, 3, 41] Generated Node #0,0: 70:[77, 3, 41] Operation: 79-38=41 Exploring Operation: 79-77=2, Resulting Numbers: [3, 38, 2] Generated Node #0,1: 70:[3, 38, 2] Operation: 79-77=2 Exploring Operation: 77-38=39, Resulting Numbers: [79, 3, 39] Generated Node #0,2: 70:[79, 3, 39] Operation: 77-38=39 Moving to Node #0,1 Current State: 70:[3, 38, 2], Operations: ['79-77=2'] Exploring Operation: 38-2=36, Resulting Numbers: [3, 36] Generated Node #0,1,0: 70:[3, 36] Operation: 38-2=36 Exploring Operation: 3+2=5, Resulting Numbers: [38, 5] Generated Node #0,1,1: 70:[38, 5] Operation: 3+2=5 Exploring Operation: 38-3=35, Resulting Numbers: [2, 35] Generated Node #0,1,2: 70:[2, 35] Operation: 38-3=35 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 70:[2, 35], Operations: ['79-77=2', '38-3=35'] Exploring Operation: 2*35=70, Resulting Numbers: [70] 70,70 equal: Goal Reached Moving to Node #0 Current State: 70:[77, 79, 3, 38], Operations: [] Exploring Operation: 79-77=2, Resulting Numbers: [3, 38, 2] Generated Node #0,1: 70:[3, 38, 2] Operation: 79-77=2 Moving to Node #0,1 Current State: 70:[3, 38, 2], Operations: ['79-77=2'] Exploring Operation: 38-3=35, Resulting Numbers: [2, 35] Generated Node #0,1,2: 70:[2, 35] Operation: 38-3=35 Moving to Node #0,1,2 Current State: 70:[2, 35], Operations: ['79-77=2', '38-3=35'] Exploring Operation: 2*35=70, Resulting Numbers: [70] 70,70 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_3
mult_heuristic
[ 74, 10, 66, 44 ]
96
[ "74-10=64", "66*64=4224", "4224/44=96" ]
Current State: 96:[74, 10, 66, 44], Operations: [] Exploring Operation: 74-10=64, Resulting Numbers: [66, 44, 64] Generated Node #2: [66, 44, 64] from Operation: 74-10=64 Current State: 96:[66, 44, 64], Operations: ['74-10=64'] Exploring Operation: 66*64=4224, Resulting Numbers: [44, 4224] Generated Node #3: [44, 4224] from Operation: 66*64=4224 Current State: 96:[44, 4224], Operations: ['74-10=64', '66*64=4224'] Exploring Operation: 4224/44=96, Resulting Numbers: [96] 96,96 equal: Goal Reached
4
Current State: 96:[74, 10, 66, 44], Operations: [] Exploring Operation: 74-44=30, Resulting Numbers: [10, 66, 30] Generated Node #0,0: 96:[10, 66, 30] Operation: 74-44=30 Exploring Operation: 74-66=8, Resulting Numbers: [10, 44, 8] Generated Node #0,1: 96:[10, 44, 8] Operation: 74-66=8 Start Sub Search at level 1: Moving to Node #0,1 Current State: 96:[10, 44, 8], Operations: ['74-66=8'] Exploring Operation: 10-8=2, Resulting Numbers: [44, 2] Generated Node #0,1,0: 96:[44, 2] Operation: 10-8=2 Exploring Operation: 44-10=34, Resulting Numbers: [8, 34] Generated Node #0,1,1: 96:[8, 34] Operation: 44-10=34 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 96:[8, 34], Operations: ['74-66=8', '44-10=34'] Exploring Operation: 8+34=42, Resulting Numbers: [42] 42,96 unequal: No Solution Exploring Operation: 34-8=26, Resulting Numbers: [26] 26,96 unequal: No Solution No 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: 96:[44, 2], Operations: ['74-66=8', '10-8=2'] Exploring Operation: 44/2=22, Resulting Numbers: [22] 22,96 unequal: No Solution Exploring Operation: 44+2=46, Resulting Numbers: [46] 46,96 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 96:[10, 66, 30], Operations: ['74-44=30'] Exploring Operation: 66+30=96, Resulting Numbers: [10, 96] Generated Node #0,0,0: 96:[10, 96] Operation: 66+30=96 Exploring Operation: 66-30=36, Resulting Numbers: [10, 36] Generated Node #0,0,1: 96:[10, 36] Operation: 66-30=36 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 96:[10, 96], Operations: ['74-44=30', '66+30=96'] Exploring Operation: 10+96=106, Resulting Numbers: [106] 106,96 unequal: No Solution Exploring Operation: 96-10=86, Resulting Numbers: [86] 86,96 unequal: No Solution No 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: 96:[10, 36], Operations: ['74-44=30', '66-30=36'] Exploring Operation: 36-10=26, Resulting Numbers: [26] 26,96 unequal: No Solution Exploring Operation: 10+36=46, Resulting Numbers: [46] 46,96 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 46, 3, 34, 2 ]
25
[ "46-3=43", "34*2=68", "68-43=25" ]
Current State: 25:[46, 3, 34, 2], Operations: [] Exploring Operation: 46-3=43, Resulting Numbers: [34, 2, 43] Generated Node #2: [34, 2, 43] from Operation: 46-3=43 Current State: 25:[34, 2, 43], Operations: ['46-3=43'] Exploring Operation: 34*2=68, Resulting Numbers: [43, 68] Generated Node #3: [43, 68] from Operation: 34*2=68 Current State: 25:[43, 68], Operations: ['46-3=43', '34*2=68'] Exploring Operation: 68-43=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[46, 3, 34, 2], Operations: [] Exploring Operation: 46-2=44, Resulting Numbers: [3, 34, 44] Generated Node #0,0: 25:[3, 34, 44] Operation: 46-2=44 Exploring Operation: 46/2=23, Resulting Numbers: [3, 34, 23] Generated Node #0,1: 25:[3, 34, 23] Operation: 46/2=23 Exploring Operation: 46-34=12, Resulting Numbers: [3, 2, 12] Generated Node #0,2: 25:[3, 2, 12] Operation: 46-34=12 Exploring Operation: 34-3=31, Resulting Numbers: [46, 2, 31] Generated Node #0,3: 25:[46, 2, 31] Operation: 34-3=31 Exploring Operation: 46-3=43, Resulting Numbers: [34, 2, 43] Generated Node #0,4: 25:[34, 2, 43] Operation: 46-3=43 Start Sub Search at level 1: Moving to Node #0,2 Current State: 25:[3, 2, 12], Operations: ['46-34=12'] Exploring Operation: 3+2=5, Resulting Numbers: [12, 5] Generated Node #0,2,0: 25:[12, 5] Operation: 3+2=5 Exploring Operation: 12-3=9, Resulting Numbers: [2, 9] Generated Node #0,2,1: 25:[2, 9] Operation: 12-3=9 Exploring Operation: 2*12=24, Resulting Numbers: [3, 24] Generated Node #0,2,2: 25:[3, 24] Operation: 2*12=24 Exploring Operation: 12/3=4, Resulting Numbers: [2, 4] Generated Node #0,2,3: 25:[2, 4] Operation: 12/3=4 Exploring Operation: 12/2=6, Resulting Numbers: [3, 6] Generated Node #0,2,4: 25:[3, 6] Operation: 12/2=6 Moving to Node #0,2,2 Current State: 25:[3, 24], Operations: ['46-34=12', '2*12=24'] Exploring Operation: 3+24=27, Resulting Numbers: [27] 27,25 unequal: No Solution Exploring Operation: 3*24=72, Resulting Numbers: [72] 72,25 unequal: No Solution Exploring Operation: 24/3=8, Resulting Numbers: [8] 8,25 unequal: No Solution Exploring Operation: 24-3=21, Resulting Numbers: [21] 21,25 unequal: No Solution Moving to Node #0,2,4 Current State: 25:[3, 6], Operations: ['46-34=12', '12/2=6'] Exploring Operation: 3+6=9, Resulting Numbers: [9] 9,25 unequal: No Solution Exploring Operation: 3*6=18, Resulting Numbers: [18] 18,25 unequal: No Solution Exploring Operation: 6-3=3, Resulting Numbers: [3] 3,25 unequal: No Solution Exploring Operation: 6/3=2, Resulting Numbers: [2] 2,25 unequal: No Solution Moving to Node #0,2,3 Current State: 25:[2, 4], Operations: ['46-34=12', '12/3=4'] Exploring Operation: 4-2=2, Resulting Numbers: [2] 2,25 unequal: No Solution Exploring Operation: 2*4=8, Resulting Numbers: [8] 8,25 unequal: No Solution Exploring Operation: 4/2=2, Resulting Numbers: [2] 2,25 unequal: No Solution Exploring Operation: 2+4=6, Resulting Numbers: [6] 6,25 unequal: No Solution Moving to Node #0,2,0 Current State: 25:[12, 5], Operations: ['46-34=12', '3+2=5'] Exploring Operation: 12+5=17, Resulting Numbers: [17] 17,25 unequal: No Solution Exploring Operation: 12*5=60, Resulting Numbers: [60] 60,25 unequal: No Solution Exploring Operation: 12-5=7, Resulting Numbers: [7] 7,25 unequal: No Solution Moving to Node #0,2,1 Current State: 25:[2, 9], Operations: ['46-34=12', '12-3=9'] Exploring Operation: 9-2=7, Resulting Numbers: [7] 7,25 unequal: No Solution Exploring Operation: 2*9=18, Resulting Numbers: [18] 18,25 unequal: No Solution Exploring Operation: 2+9=11, Resulting Numbers: [11] 11,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 25:[3, 34, 23], Operations: ['46/2=23'] Exploring Operation: 23-3=20, Resulting Numbers: [34, 20] Generated Node #0,1,0: 25:[34, 20] Operation: 23-3=20 Exploring Operation: 3+23=26, Resulting Numbers: [34, 26] Generated Node #0,1,1: 25:[34, 26] Operation: 3+23=26 Exploring Operation: 34-3=31, Resulting Numbers: [23, 31] Generated Node #0,1,2: 25:[23, 31] Operation: 34-3=31 Exploring Operation: 34-23=11, Resulting Numbers: [3, 11] Generated Node #0,1,3: 25:[3, 11] Operation: 34-23=11 Exploring Operation: 3+34=37, Resulting Numbers: [23, 37] Generated Node #0,1,4: 25:[23, 37] Operation: 3+34=37 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 25:[23, 31], Operations: ['46/2=23', '34-3=31'] Exploring Operation: 31-23=8, Resulting Numbers: [8] 8,25 unequal: No Solution Exploring Operation: 23+31=54, Resulting Numbers: [54] 54,25 unequal: No Solution Exploring Operation: 23*31=713, Resulting Numbers: [713] 713,25 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 25:[3, 11], Operations: ['46/2=23', '34-23=11'] Exploring Operation: 11-3=8, Resulting Numbers: [8] 8,25 unequal: No Solution Exploring Operation: 3+11=14, Resulting Numbers: [14] 14,25 unequal: No Solution Exploring Operation: 3*11=33, Resulting Numbers: [33] 33,25 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 25:[34, 26], Operations: ['46/2=23', '3+23=26'] Exploring Operation: 34-26=8, Resulting Numbers: [8] 8,25 unequal: No Solution Exploring Operation: 34*26=884, Resulting Numbers: [884] 884,25 unequal: No Solution Exploring Operation: 34+26=60, Resulting Numbers: [60] 60,25 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 25:[34, 20], Operations: ['46/2=23', '23-3=20'] Exploring Operation: 34*20=680, Resulting Numbers: [680] 680,25 unequal: No Solution Exploring Operation: 34-20=14, Resulting Numbers: [14] 14,25 unequal: No Solution Exploring Operation: 34+20=54, Resulting Numbers: [54] 54,25 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 25:[23, 37], Operations: ['46/2=23', '3+34=37'] Exploring Operation: 23+37=60, Resulting Numbers: [60] 60,25 unequal: No Solution Exploring Operation: 23*37=851, Resulting Numbers: [851] 851,25 unequal: No Solution Exploring Operation: 37-23=14, Resulting Numbers: [14] 14,25 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 25:[3, 34, 44], Operations: ['46-2=44'] Exploring Operation: 34-3=31, Resulting Numbers: [44, 31] Generated Node #0,0,0: 25:[44, 31] Operation: 34-3=31 Exploring Operation: 3+34=37, Resulting Numbers: [44, 37] Generated Node #0,0,1: 25:[44, 37] Operation: 3+34=37 Exploring Operation: 44-3=41, Resulting Numbers: [34, 41] Generated Node #0,0,2: 25:[34, 41] Operation: 44-3=41 Exploring Operation: 44-34=10, Resulting Numbers: [3, 10] Generated Node #0,0,3: 25:[3, 10] Operation: 44-34=10 Exploring Operation: 3+44=47, Resulting Numbers: [34, 47] Generated Node #0,0,4: 25:[34, 47] Operation: 3+44=47 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 25:[3, 10], Operations: ['46-2=44', '44-34=10'] Exploring Operation: 10-3=7, Resulting Numbers: [7] 7,25 unequal: No Solution Exploring Operation: 3+10=13, Resulting Numbers: [13] 13,25 unequal: No Solution Exploring Operation: 3*10=30, Resulting Numbers: [30] 30,25 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 25:[44, 31], Operations: ['46-2=44', '34-3=31'] Exploring Operation: 44-31=13, Resulting Numbers: [13] 13,25 unequal: No Solution Exploring Operation: 44*31=1364, Resulting Numbers: [1364] 1364,25 unequal: No Solution Exploring Operation: 44+31=75, Resulting Numbers: [75] 75,25 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 25:[34, 41], Operations: ['46-2=44', '44-3=41'] Exploring Operation: 34+41=75, Resulting Numbers: [75] 75,25 unequal: No Solution Exploring Operation: 34*41=1394, Resulting Numbers: [1394] 1394,25 unequal: No Solution Exploring Operation: 41-34=7, Resulting Numbers: [7] 7,25 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 25:[44, 37], Operations: ['46-2=44', '3+34=37'] Exploring Operation: 44-37=7, Resulting Numbers: [7] 7,25 unequal: No Solution Exploring Operation: 44+37=81, Resulting Numbers: [81] 81,25 unequal: No Solution Exploring Operation: 44*37=1628, Resulting Numbers: [1628] 1628,25 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 25:[34, 47], Operations: ['46-2=44', '3+44=47'] Exploring Operation: 34*47=1598, Resulting Numbers: [1598] 1598,25 unequal: No Solution Exploring Operation: 34+47=81, Resulting Numbers: [81] 81,25 unequal: No Solution Exploring Operation: 47-34=13, Resulting Numbers: [13] 13,25 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 25:[46, 2, 31], Operations: ['34-3=31'] Exploring Operation: 46-2=44, Resulting Numbers: [31, 44] Generated Node #0,3,0: 25:[31, 44] Operation: 46-2=44 Exploring Operation: 46/2=23, Resulting Numbers: [31, 23] Generated Node #0,3,1: 25:[31, 23] Operation: 46/2=23 Exploring Operation: 46-31=15, Resulting Numbers: [2, 15] Generated Node #0,3,2: 25:[2, 15] Operation: 46-31=15 Exploring Operation: 46+2=48, Resulting Numbers: [31, 48] Generated Node #0,3,3: 25:[31, 48] Operation: 46+2=48 Exploring Operation: 31-2=29, Resulting Numbers: [46, 29] Generated Node #0,3,4: 25:[46, 29] Operation: 31-2=29 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 25:[31, 23], Operations: ['34-3=31', '46/2=23'] Exploring Operation: 31*23=713, Resulting Numbers: [713] 713,25 unequal: No Solution Exploring Operation: 31-23=8, Resulting Numbers: [8] 8,25 unequal: No Solution Exploring Operation: 31+23=54, Resulting Numbers: [54] 54,25 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 25:[2, 15], Operations: ['34-3=31', '46-31=15'] Exploring Operation: 15-2=13, Resulting Numbers: [13] 13,25 unequal: No Solution Exploring Operation: 2+15=17, Resulting Numbers: [17] 17,25 unequal: No Solution Exploring Operation: 2*15=30, Resulting Numbers: [30] 30,25 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 25:[31, 44], Operations: ['34-3=31', '46-2=44'] Exploring Operation: 31+44=75, Resulting Numbers: [75] 75,25 unequal: No Solution Exploring Operation: 31*44=1364, Resulting Numbers: [1364] 1364,25 unequal: No Solution Exploring Operation: 44-31=13, Resulting Numbers: [13] 13,25 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 25:[46, 29], Operations: ['34-3=31', '31-2=29'] Exploring Operation: 46-29=17, Resulting Numbers: [17] 17,25 unequal: No Solution Exploring Operation: 46*29=1334, Resulting Numbers: [1334] 1334,25 unequal: No Solution Exploring Operation: 46+29=75, Resulting Numbers: [75] 75,25 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 25:[31, 48], Operations: ['34-3=31', '46+2=48'] Exploring Operation: 48-31=17, Resulting Numbers: [17] 17,25 unequal: No Solution Exploring Operation: 31+48=79, Resulting Numbers: [79] 79,25 unequal: No Solution Exploring Operation: 31*48=1488, Resulting Numbers: [1488] 1488,25 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 25:[34, 2, 43], Operations: ['46-3=43'] Exploring Operation: 43-2=41, Resulting Numbers: [34, 41] Generated Node #0,4,0: 25:[34, 41] Operation: 43-2=41 Exploring Operation: 34/2=17, Resulting Numbers: [43, 17] Generated Node #0,4,1: 25:[43, 17] Operation: 34/2=17 Exploring Operation: 43-34=9, Resulting Numbers: [2, 9] Generated Node #0,4,2: 25:[2, 9] Operation: 43-34=9 Exploring Operation: 34+2=36, Resulting Numbers: [43, 36] Generated Node #0,4,3: 25:[43, 36] Operation: 34+2=36 Exploring Operation: 34-2=32, Resulting Numbers: [43, 32] Generated Node #0,4,4: 25:[43, 32] Operation: 34-2=32 Moving to Node #0,4,2 Current State: 25:[2, 9], Operations: ['46-3=43', '43-34=9'] Exploring Operation: 2+9=11, Resulting Numbers: [11] 11,25 unequal: No Solution Exploring Operation: 2*9=18, Resulting Numbers: [18] 18,25 unequal: No Solution Exploring Operation: 9-2=7, Resulting Numbers: [7] 7,25 unequal: No Solution Moving to Node #0,4,4 Current State: 25:[43, 32], Operations: ['46-3=43', '34-2=32'] Exploring Operation: 43*32=1376, Resulting Numbers: [1376] 1376,25 unequal: No Solution Exploring Operation: 43-32=11, Resulting Numbers: [11] 11,25 unequal: No Solution Exploring Operation: 43+32=75, Resulting Numbers: [75] 75,25 unequal: No Solution Moving to Node #0,4,0 Current State: 25:[34, 41], Operations: ['46-3=43', '43-2=41'] Exploring Operation: 34+41=75, Resulting Numbers: [75] 75,25 unequal: No Solution Exploring Operation: 34*41=1394, Resulting Numbers: [1394] 1394,25 unequal: No Solution Exploring Operation: 41-34=7, Resulting Numbers: [7] 7,25 unequal: No Solution Moving to Node #0,4,1 Current State: 25:[43, 17], Operations: ['46-3=43', '34/2=17'] Exploring Operation: 43+17=60, Resulting Numbers: [60] 60,25 unequal: No Solution Exploring Operation: 43-17=26, Resulting Numbers: [26] 26,25 unequal: No Solution Exploring Operation: 43*17=731, Resulting Numbers: [731] 731,25 unequal: No Solution Moving to Node #0,4,3 Current State: 25:[43, 36], Operations: ['46-3=43', '34+2=36'] Exploring Operation: 43-36=7, Resulting Numbers: [7] 7,25 unequal: No Solution Exploring Operation: 43*36=1548, Resulting Numbers: [1548] 1548,25 unequal: No Solution Exploring Operation: 43+36=79, Resulting Numbers: [79] 79,25 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
[ 82, 46, 42, 61 ]
67
[ "82-46=36", "42+61=103", "103-36=67" ]
Current State: 67:[82, 46, 42, 61], Operations: [] Exploring Operation: 82-46=36, Resulting Numbers: [42, 61, 36] Generated Node #2: [42, 61, 36] from Operation: 82-46=36 Current State: 67:[42, 61, 36], Operations: ['82-46=36'] Exploring Operation: 42+61=103, Resulting Numbers: [36, 103] Generated Node #3: [36, 103] from Operation: 42+61=103 Current State: 67:[36, 103], Operations: ['82-46=36', '42+61=103'] Exploring Operation: 103-36=67, Resulting Numbers: [67] 67,67 equal: Goal Reached
4
Current State: 67:[82, 46, 42, 61], Operations: [] Exploring Operation: 46+42=88, Resulting Numbers: [82, 61, 88] Generated Node #0,0: 67:[82, 61, 88] Operation: 46+42=88 Moving to Node #0,0 Current State: 67:[82, 61, 88], Operations: ['46+42=88'] Exploring Operation: 88-61=27, Resulting Numbers: [82, 27] Generated Node #0,0,0: 67:[82, 27] Operation: 88-61=27 Moving to Node #0,0,0 Current State: 67:[82, 27], Operations: ['46+42=88', '88-61=27'] Exploring Operation: 82-27=55, Resulting Numbers: [55] 55,67 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 59, 64, 4, 89 ]
98
[ "64-59=5", "4+89=93", "5+93=98" ]
Current State: 98:[59, 64, 4, 89], Operations: [] Exploring Operation: 64-59=5, Resulting Numbers: [4, 89, 5] Generated Node #2: [4, 89, 5] from Operation: 64-59=5 Current State: 98:[4, 89, 5], Operations: ['64-59=5'] Exploring Operation: 4+89=93, Resulting Numbers: [5, 93] Generated Node #3: [5, 93] from Operation: 4+89=93 Current State: 98:[5, 93], Operations: ['64-59=5', '4+89=93'] Exploring Operation: 5+93=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
4
Current State: 98:[59, 64, 4, 89], Operations: [] Exploring Operation: 64-59=5, Resulting Numbers: [4, 89, 5] Generated Node #0,0: 98:[4, 89, 5] Operation: 64-59=5 Exploring Operation: 59-4=55, Resulting Numbers: [64, 89, 55] Generated Node #0,1: 98:[64, 89, 55] Operation: 59-4=55 Exploring Operation: 89-64=25, Resulting Numbers: [59, 4, 25] Generated Node #0,2: 98:[59, 4, 25] Operation: 89-64=25 Exploring Operation: 64/4=16, Resulting Numbers: [59, 89, 16] Generated Node #0,3: 98:[59, 89, 16] Operation: 64/4=16 Moving to Node #0,0 Current State: 98:[4, 89, 5], Operations: ['64-59=5'] Exploring Operation: 4+89=93, Resulting Numbers: [5, 93] Generated Node #0,0,0: 98:[5, 93] Operation: 4+89=93 Exploring Operation: 89+5=94, Resulting Numbers: [4, 94] Generated Node #0,0,1: 98:[4, 94] Operation: 89+5=94 Exploring Operation: 4+5=9, Resulting Numbers: [89, 9] Generated Node #0,0,2: 98:[89, 9] Operation: 4+5=9 Exploring Operation: 5-4=1, Resulting Numbers: [89, 1] Generated Node #0,0,3: 98:[89, 1] Operation: 5-4=1 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 98:[4, 94], Operations: ['64-59=5', '89+5=94'] Exploring Operation: 4*94=376, Resulting Numbers: [376] 376,98 unequal: No Solution Exploring Operation: 4+94=98, Resulting Numbers: [98] 98,98 equal: Goal Reached Moving to Node #0 Current State: 98:[59, 64, 4, 89], Operations: [] Exploring Operation: 64-59=5, Resulting Numbers: [4, 89, 5] Generated Node #0,0: 98:[4, 89, 5] Operation: 64-59=5 Moving to Node #0,0 Current State: 98:[4, 89, 5], Operations: ['64-59=5'] Exploring Operation: 89+5=94, Resulting Numbers: [4, 94] Generated Node #0,0,1: 98:[4, 94] Operation: 89+5=94 Moving to Node #0,0,1 Current State: 98:[4, 94], Operations: ['64-59=5', '89+5=94'] Exploring Operation: 4+94=98, Resulting Numbers: [98] 98,98 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_4
mult_heuristic
[ 34, 78, 27, 51 ]
90
[ "78*51=3978", "3978/34=117", "117-27=90" ]
Current State: 90:[34, 78, 27, 51], Operations: [] Exploring Operation: 78*51=3978, Resulting Numbers: [34, 27, 3978] Generated Node #2: [34, 27, 3978] from Operation: 78*51=3978 Current State: 90:[34, 27, 3978], Operations: ['78*51=3978'] Exploring Operation: 3978/34=117, Resulting Numbers: [27, 117] Generated Node #3: [27, 117] from Operation: 3978/34=117 Current State: 90:[27, 117], Operations: ['78*51=3978', '3978/34=117'] Exploring Operation: 117-27=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
4
Current State: 90:[34, 78, 27, 51], Operations: [] Exploring Operation: 51-34=17, Resulting Numbers: [78, 27, 17] Generated Node #0,0: 90:[78, 27, 17] Operation: 51-34=17 Exploring Operation: 78-51=27, Resulting Numbers: [34, 27, 27] Generated Node #0,1: 90:[34, 27, 27] Operation: 78-51=27 Exploring Operation: 78-34=44, Resulting Numbers: [27, 51, 44] Generated Node #0,2: 90:[27, 51, 44] Operation: 78-34=44 Exploring Operation: 78-27=51, Resulting Numbers: [34, 51, 51] Generated Node #0,3: 90:[34, 51, 51] Operation: 78-27=51 Moving to Node #0,1 Current State: 90:[34, 27, 27], Operations: ['78-51=27'] Exploring Operation: 27-27=0, Resulting Numbers: [34, 0] Generated Node #0,1,0: 90:[34, 0] Operation: 27-27=0 Exploring Operation: 34-27=7, Resulting Numbers: [27, 7] Generated Node #0,1,1: 90:[27, 7] Operation: 34-27=7 Exploring Operation: 34-27=7, Resulting Numbers: [27, 7] Generated Node #0,1,2: 90:[27, 7] Operation: 34-27=7 Exploring Operation: 27/27=1, Resulting Numbers: [34, 1] Generated Node #0,1,3: 90:[34, 1] Operation: 27/27=1 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 90:[27, 7], Operations: ['78-51=27', '34-27=7'] Exploring Operation: 27-7=20, Resulting Numbers: [20] 20,90 unequal: No Solution Exploring Operation: 27+7=34, Resulting Numbers: [34] 34,90 unequal: No Solution Exploring Operation: 27*7=189, Resulting Numbers: [189] 189,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 90:[27, 7], Operations: ['78-51=27', '34-27=7'] Exploring Operation: 27-7=20, Resulting Numbers: [20] 20,90 unequal: No Solution Exploring Operation: 27*7=189, Resulting Numbers: [189] 189,90 unequal: No Solution Exploring Operation: 27+7=34, Resulting Numbers: [34] 34,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 90:[34, 1], Operations: ['78-51=27', '27/27=1'] Exploring Operation: 34/1=34, Resulting Numbers: [34] 34,90 unequal: No Solution Exploring Operation: 34*1=34, Resulting Numbers: [34] 34,90 unequal: No Solution Exploring Operation: 34-1=33, Resulting Numbers: [33] 33,90 unequal: No Solution Exploring Operation: 34+1=35, Resulting Numbers: [35] 35,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 90:[34, 0], Operations: ['78-51=27', '27-27=0'] Exploring Operation: 34-0=34, Resulting Numbers: [34] 34,90 unequal: No Solution Exploring Operation: 34+0=34, Resulting Numbers: [34] 34,90 unequal: No Solution Exploring Operation: 34*0=0, Resulting Numbers: [0] 0,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 90:[27, 51, 44], Operations: ['78-34=44'] Exploring Operation: 51-44=7, Resulting Numbers: [27, 7] Generated Node #0,2,0: 90:[27, 7] Operation: 51-44=7 Exploring Operation: 51-27=24, Resulting Numbers: [44, 24] Generated Node #0,2,1: 90:[44, 24] Operation: 51-27=24 Exploring Operation: 44-27=17, Resulting Numbers: [51, 17] Generated Node #0,2,2: 90:[51, 17] Operation: 44-27=17 Exploring Operation: 51+44=95, Resulting Numbers: [27, 95] Generated Node #0,2,3: 90:[27, 95] Operation: 51+44=95 Moving to Node #0,3 Current State: 90:[34, 51, 51], Operations: ['78-27=51'] Exploring Operation: 51-34=17, Resulting Numbers: [51, 17] Generated Node #0,3,0: 90:[51, 17] Operation: 51-34=17 Exploring Operation: 51-51=0, Resulting Numbers: [34, 0] Generated Node #0,3,1: 90:[34, 0] Operation: 51-51=0 Exploring Operation: 51/51=1, Resulting Numbers: [34, 1] Generated Node #0,3,2: 90:[34, 1] Operation: 51/51=1 Exploring Operation: 51-34=17, Resulting Numbers: [51, 17] Generated Node #0,3,3: 90:[51, 17] Operation: 51-34=17 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 90:[34, 1], Operations: ['78-27=51', '51/51=1'] Exploring Operation: 34*1=34, Resulting Numbers: [34] 34,90 unequal: No Solution Exploring Operation: 34+1=35, Resulting Numbers: [35] 35,90 unequal: No Solution Exploring Operation: 34-1=33, Resulting Numbers: [33] 33,90 unequal: No Solution Exploring Operation: 34/1=34, Resulting Numbers: [34] 34,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 90:[34, 0], Operations: ['78-27=51', '51-51=0'] Exploring Operation: 34*0=0, Resulting Numbers: [0] 0,90 unequal: No Solution Exploring Operation: 34+0=34, Resulting Numbers: [34] 34,90 unequal: No Solution Exploring Operation: 34-0=34, Resulting Numbers: [34] 34,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 90:[51, 17], Operations: ['78-27=51', '51-34=17'] Exploring Operation: 51-17=34, Resulting Numbers: [34] 34,90 unequal: No Solution Exploring Operation: 51*17=867, Resulting Numbers: [867] 867,90 unequal: No Solution Exploring Operation: 51/17=3, Resulting Numbers: [3] 3,90 unequal: No Solution Exploring Operation: 51+17=68, Resulting Numbers: [68] 68,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 90:[51, 17], Operations: ['78-27=51', '51-34=17'] Exploring Operation: 51+17=68, Resulting Numbers: [68] 68,90 unequal: No Solution Exploring Operation: 51/17=3, Resulting Numbers: [3] 3,90 unequal: No Solution Exploring Operation: 51-17=34, Resulting Numbers: [34] 34,90 unequal: No Solution Exploring Operation: 51*17=867, Resulting Numbers: [867] 867,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 90:[78, 27, 17], Operations: ['51-34=17'] Exploring Operation: 78-27=51, Resulting Numbers: [17, 51] Generated Node #0,0,0: 90:[17, 51] Operation: 78-27=51 Exploring Operation: 78+17=95, Resulting Numbers: [27, 95] Generated Node #0,0,1: 90:[27, 95] Operation: 78+17=95 Exploring Operation: 27+17=44, Resulting Numbers: [78, 44] Generated Node #0,0,2: 90:[78, 44] Operation: 27+17=44 Exploring Operation: 27-17=10, Resulting Numbers: [78, 10] Generated Node #0,0,3: 90:[78, 10] Operation: 27-17=10 Moving to Node #0,2,0 Current State: 90:[27, 7], Operations: ['78-34=44', '51-44=7'] Exploring Operation: 27+7=34, Resulting Numbers: [34] 34,90 unequal: No Solution Exploring Operation: 27-7=20, Resulting Numbers: [20] 20,90 unequal: No Solution Exploring Operation: 27*7=189, Resulting Numbers: [189] 189,90 unequal: No Solution Moving to Node #0,2,2 Current State: 90:[51, 17], Operations: ['78-34=44', '44-27=17'] Exploring Operation: 51/17=3, Resulting Numbers: [3] 3,90 unequal: No Solution Exploring Operation: 51*17=867, Resulting Numbers: [867] 867,90 unequal: No Solution Exploring Operation: 51-17=34, Resulting Numbers: [34] 34,90 unequal: No Solution Exploring Operation: 51+17=68, Resulting Numbers: [68] 68,90 unequal: No Solution Moving to Node #0,2,1 Current State: 90:[44, 24], Operations: ['78-34=44', '51-27=24'] Exploring Operation: 44-24=20, Resulting Numbers: [20] 20,90 unequal: No Solution Exploring Operation: 44*24=1056, Resulting Numbers: [1056] 1056,90 unequal: No Solution Exploring Operation: 44+24=68, Resulting Numbers: [68] 68,90 unequal: No Solution Moving to Node #0,0,0 Current State: 90:[17, 51], Operations: ['51-34=17', '78-27=51'] Exploring Operation: 17+51=68, Resulting Numbers: [68] 68,90 unequal: No Solution Exploring Operation: 51-17=34, Resulting Numbers: [34] 34,90 unequal: No Solution Exploring Operation: 17*51=867, Resulting Numbers: [867] 867,90 unequal: No Solution Exploring Operation: 51/17=3, Resulting Numbers: [3] 3,90 unequal: No Solution Moving to Node #0,0,1 Current State: 90:[27, 95], Operations: ['51-34=17', '78+17=95'] Exploring Operation: 27*95=2565, Resulting Numbers: [2565] 2565,90 unequal: No Solution Exploring Operation: 27+95=122, Resulting Numbers: [122] 122,90 unequal: No Solution Exploring Operation: 95-27=68, Resulting Numbers: [68] 68,90 unequal: No Solution Moving to Node #0,2,3 Current State: 90:[27, 95], Operations: ['78-34=44', '51+44=95'] Exploring Operation: 95-27=68, Resulting Numbers: [68] 68,90 unequal: No Solution Exploring Operation: 27+95=122, Resulting Numbers: [122] 122,90 unequal: No Solution Exploring Operation: 27*95=2565, Resulting Numbers: [2565] 2565,90 unequal: No Solution Moving to Node #0,0,3 Current State: 90:[78, 10], Operations: ['51-34=17', '27-17=10'] Exploring Operation: 78*10=780, Resulting Numbers: [780] 780,90 unequal: No Solution Exploring Operation: 78-10=68, Resulting Numbers: [68] 68,90 unequal: No Solution Exploring Operation: 78+10=88, Resulting Numbers: [88] 88,90 unequal: No Solution Moving to Node #0,0,2 Current State: 90:[78, 44], Operations: ['51-34=17', '27+17=44'] Exploring Operation: 78*44=3432, Resulting Numbers: [3432] 3432,90 unequal: No Solution Exploring Operation: 78-44=34, Resulting Numbers: [34] 34,90 unequal: No Solution Exploring Operation: 78+44=122, Resulting Numbers: [122] 122,90 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 86, 21, 84, 43 ]
24
[ "86-21=65", "84-43=41", "65-41=24" ]
Current State: 24:[86, 21, 84, 43], Operations: [] Exploring Operation: 86-21=65, Resulting Numbers: [84, 43, 65] Generated Node #2: [84, 43, 65] from Operation: 86-21=65 Current State: 24:[84, 43, 65], Operations: ['86-21=65'] Exploring Operation: 84-43=41, Resulting Numbers: [65, 41] Generated Node #3: [65, 41] from Operation: 84-43=41 Current State: 24:[65, 41], Operations: ['86-21=65', '84-43=41'] Exploring Operation: 65-41=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
4
Current State: 24:[86, 21, 84, 43], Operations: [] Exploring Operation: 86-84=2, Resulting Numbers: [21, 43, 2] Generated Node #0,0: 24:[21, 43, 2] Operation: 86-84=2 Exploring Operation: 86/43=2, Resulting Numbers: [21, 84, 2] Generated Node #0,1: 24:[21, 84, 2] Operation: 86/43=2 Start Sub Search at level 1: Moving to Node #0,0 Current State: 24:[21, 43, 2], Operations: ['86-84=2'] Exploring Operation: 43-21=22, Resulting Numbers: [2, 22] Generated Node #0,0,0: 24:[2, 22] Operation: 43-21=22 Exploring Operation: 21+2=23, Resulting Numbers: [43, 23] Generated Node #0,0,1: 24:[43, 23] Operation: 21+2=23 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 24:[2, 22], Operations: ['86-84=2', '43-21=22'] Exploring Operation: 2+22=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Moving to Node #0 Current State: 24:[86, 21, 84, 43], Operations: [] Exploring Operation: 86-84=2, Resulting Numbers: [21, 43, 2] Generated Node #0,0: 24:[21, 43, 2] Operation: 86-84=2 Moving to Node #0,0 Current State: 24:[21, 43, 2], Operations: ['86-84=2'] Exploring Operation: 43-21=22, Resulting Numbers: [2, 22] Generated Node #0,0,0: 24:[2, 22] Operation: 43-21=22 Moving to Node #0,0,0 Current State: 24:[2, 22], Operations: ['86-84=2', '43-21=22'] Exploring Operation: 2+22=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.992188
hs_2
mult_heuristic
[ 43, 73, 42, 11 ]
62
[ "43-42=1", "73-11=62", "1*62=62" ]
Current State: 62:[43, 73, 42, 11], Operations: [] Exploring Operation: 43-42=1, Resulting Numbers: [73, 11, 1] Generated Node #2: [73, 11, 1] from Operation: 43-42=1 Current State: 62:[73, 11, 1], Operations: ['43-42=1'] Exploring Operation: 73-11=62, Resulting Numbers: [1, 62] Generated Node #3: [1, 62] from Operation: 73-11=62 Current State: 62:[1, 62], Operations: ['43-42=1', '73-11=62'] Exploring Operation: 1*62=62, Resulting Numbers: [62] 62,62 equal: Goal Reached
4
Current State: 62:[43, 73, 42, 11], Operations: [] Exploring Operation: 73-43=30, Resulting Numbers: [42, 11, 30] Generated Node #0,0: 62:[42, 11, 30] Operation: 73-43=30 Exploring Operation: 73-42=31, Resulting Numbers: [43, 11, 31] Generated Node #0,1: 62:[43, 11, 31] Operation: 73-42=31 Exploring Operation: 43-42=1, Resulting Numbers: [73, 11, 1] Generated Node #0,2: 62:[73, 11, 1] Operation: 43-42=1 Start Sub Search at level 1: Moving to Node #0,0 Current State: 62:[42, 11, 30], Operations: ['73-43=30'] Exploring Operation: 42+11=53, Resulting Numbers: [30, 53] Generated Node #0,0,0: 62:[30, 53] Operation: 42+11=53 Exploring Operation: 42+30=72, Resulting Numbers: [11, 72] Generated Node #0,0,1: 62:[11, 72] Operation: 42+30=72 Exploring Operation: 42-11=31, Resulting Numbers: [30, 31] Generated Node #0,0,2: 62:[30, 31] Operation: 42-11=31 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 62:[30, 31], Operations: ['73-43=30', '42-11=31'] Exploring Operation: 30*31=930, Resulting Numbers: [930] 930,62 unequal: No Solution Exploring Operation: 30+31=61, Resulting Numbers: [61] 61,62 unequal: No Solution Exploring Operation: 31-30=1, Resulting Numbers: [1] 1,62 unequal: No Solution No 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: 62:[30, 53], Operations: ['73-43=30', '42+11=53'] Exploring Operation: 30+53=83, Resulting Numbers: [83] 83,62 unequal: No Solution Exploring Operation: 53-30=23, Resulting Numbers: [23] 23,62 unequal: No Solution Exploring Operation: 30*53=1590, Resulting Numbers: [1590] 1590,62 unequal: No Solution No 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: 62:[11, 72], Operations: ['73-43=30', '42+30=72'] Exploring Operation: 11*72=792, Resulting Numbers: [792] 792,62 unequal: No Solution Exploring Operation: 11+72=83, Resulting Numbers: [83] 83,62 unequal: No Solution Exploring Operation: 72-11=61, Resulting Numbers: [61] 61,62 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: 62:[43, 11, 31], Operations: ['73-42=31'] Exploring Operation: 43-31=12, Resulting Numbers: [11, 12] Generated Node #0,1,0: 62:[11, 12] Operation: 43-31=12 Exploring Operation: 43-11=32, Resulting Numbers: [31, 32] Generated Node #0,1,1: 62:[31, 32] Operation: 43-11=32 Exploring Operation: 43+11=54, Resulting Numbers: [31, 54] Generated Node #0,1,2: 62:[31, 54] Operation: 43+11=54 Moving to Node #0,1,1 Current State: 62:[31, 32], Operations: ['73-42=31', '43-11=32'] Exploring Operation: 32-31=1, Resulting Numbers: [1] 1,62 unequal: No Solution Exploring Operation: 31*32=992, Resulting Numbers: [992] 992,62 unequal: No Solution Exploring Operation: 31+32=63, Resulting Numbers: [63] 63,62 unequal: No Solution Moving to Node #0,1,2 Current State: 62:[31, 54], Operations: ['73-42=31', '43+11=54'] Exploring Operation: 54-31=23, Resulting Numbers: [23] 23,62 unequal: No Solution Exploring Operation: 31*54=1674, Resulting Numbers: [1674] 1674,62 unequal: No Solution Exploring Operation: 31+54=85, Resulting Numbers: [85] 85,62 unequal: No Solution Moving to Node #0,1,0 Current State: 62:[11, 12], Operations: ['73-42=31', '43-31=12'] Exploring Operation: 11+12=23, Resulting Numbers: [23] 23,62 unequal: No Solution Exploring Operation: 11*12=132, Resulting Numbers: [132] 132,62 unequal: No Solution Exploring Operation: 12-11=1, Resulting Numbers: [1] 1,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 62:[73, 11, 1], Operations: ['43-42=1'] Exploring Operation: 73-11=62, Resulting Numbers: [1, 62] Generated Node #0,2,0: 62:[1, 62] Operation: 73-11=62 Exploring Operation: 73-1=72, Resulting Numbers: [11, 72] Generated Node #0,2,1: 62:[11, 72] Operation: 73-1=72 Exploring Operation: 11-1=10, Resulting Numbers: [73, 10] Generated Node #0,2,2: 62:[73, 10] Operation: 11-1=10 Moving to Node #0,2,0 Current State: 62:[1, 62], Operations: ['43-42=1', '73-11=62'] Exploring Operation: 62/1=62, Resulting Numbers: [62] 62,62 equal: Goal Reached Moving to Node #0 Current State: 62:[43, 73, 42, 11], Operations: [] Exploring Operation: 43-42=1, Resulting Numbers: [73, 11, 1] Generated Node #0,2: 62:[73, 11, 1] Operation: 43-42=1 Moving to Node #0,2 Current State: 62:[73, 11, 1], Operations: ['43-42=1'] Exploring Operation: 73-11=62, Resulting Numbers: [1, 62] Generated Node #0,2,0: 62:[1, 62] Operation: 73-11=62 Moving to Node #0,2,0 Current State: 62:[1, 62], Operations: ['43-42=1', '73-11=62'] Exploring Operation: 62/1=62, Resulting Numbers: [62] 62,62 equal: Goal Reached Exit Sub Search at level 1
0.969618
hs_3
mult_heuristic
[ 48, 20, 52, 16 ]
41
[ "48*16=768", "52+768=820", "820/20=41" ]
Current State: 41:[48, 20, 52, 16], Operations: [] Exploring Operation: 48*16=768, Resulting Numbers: [20, 52, 768] Generated Node #2: [20, 52, 768] from Operation: 48*16=768 Current State: 41:[20, 52, 768], Operations: ['48*16=768'] Exploring Operation: 52+768=820, Resulting Numbers: [20, 820] Generated Node #3: [20, 820] from Operation: 52+768=820 Current State: 41:[20, 820], Operations: ['48*16=768', '52+768=820'] Exploring Operation: 820/20=41, Resulting Numbers: [41] 41,41 equal: Goal Reached
4
Current State: 41:[48, 20, 52, 16], Operations: [] Exploring Operation: 20+16=36, Resulting Numbers: [48, 52, 36] Generated Node #0,0: 41:[48, 52, 36] Operation: 20+16=36 Exploring Operation: 52-16=36, Resulting Numbers: [48, 20, 36] Generated Node #0,1: 41:[48, 20, 36] Operation: 52-16=36 Start Sub Search at level 1: Moving to Node #0,0 Current State: 41:[48, 52, 36], Operations: ['20+16=36'] Exploring Operation: 52-36=16, Resulting Numbers: [48, 16] Generated Node #0,0,0: 41:[48, 16] Operation: 52-36=16 Exploring Operation: 48-36=12, Resulting Numbers: [52, 12] Generated Node #0,0,1: 41:[52, 12] Operation: 48-36=12 Moving to Node #0,0,0 Current State: 41:[48, 16], Operations: ['20+16=36', '52-36=16'] Exploring Operation: 48+16=64, Resulting Numbers: [64] 64,41 unequal: No Solution Exploring Operation: 48-16=32, Resulting Numbers: [32] 32,41 unequal: No Solution Moving to Node #0,0,1 Current State: 41:[52, 12], Operations: ['20+16=36', '48-36=12'] Exploring Operation: 52-12=40, Resulting Numbers: [40] 40,41 unequal: No Solution Exploring Operation: 52+12=64, Resulting Numbers: [64] 64,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 41:[48, 20, 36], Operations: ['52-16=36'] Exploring Operation: 20+36=56, Resulting Numbers: [48, 56] Generated Node #0,1,0: 41:[48, 56] Operation: 20+36=56 Exploring Operation: 48-20=28, Resulting Numbers: [36, 28] Generated Node #0,1,1: 41:[36, 28] Operation: 48-20=28 Moving to Node #0,1,1 Current State: 41:[36, 28], Operations: ['52-16=36', '48-20=28'] Exploring Operation: 36-28=8, Resulting Numbers: [8] 8,41 unequal: No Solution Exploring Operation: 36+28=64, Resulting Numbers: [64] 64,41 unequal: No Solution Moving to Node #0,1,0 Current State: 41:[48, 56], Operations: ['52-16=36', '20+36=56'] Exploring Operation: 56-48=8, Resulting Numbers: [8] 8,41 unequal: No Solution Exploring Operation: 48+56=104, Resulting Numbers: [104] 104,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 62, 51, 21, 51 ]
21
[ "51-51=0", "62*0=0", "21+0=21" ]
Current State: 21:[62, 51, 21, 51], Operations: [] Exploring Operation: 51-51=0, Resulting Numbers: [62, 21, 0] Generated Node #2: [62, 21, 0] from Operation: 51-51=0 Current State: 21:[62, 21, 0], Operations: ['51-51=0'] Exploring Operation: 62*0=0, Resulting Numbers: [21, 0] Generated Node #3: [21, 0] from Operation: 62*0=0 Current State: 21:[21, 0], Operations: ['51-51=0', '62*0=0'] Exploring Operation: 21+0=21, Resulting Numbers: [21] 21,21 equal: Goal Reached
4
Current State: 21:[62, 51, 21, 51], Operations: [] Exploring Operation: 62-51=11, Resulting Numbers: [51, 21, 11] Generated Node #0,0: 21:[51, 21, 11] Operation: 62-51=11 Exploring Operation: 62-21=41, Resulting Numbers: [51, 51, 41] Generated Node #0,1: 21:[51, 51, 41] Operation: 62-21=41 Exploring Operation: 51/51=1, Resulting Numbers: [62, 21, 1] Generated Node #0,2: 21:[62, 21, 1] Operation: 51/51=1 Exploring Operation: 62-51=11, Resulting Numbers: [21, 51, 11] Generated Node #0,3: 21:[21, 51, 11] Operation: 62-51=11 Exploring Operation: 51-51=0, Resulting Numbers: [62, 21, 0] Generated Node #0,4: 21:[62, 21, 0] Operation: 51-51=0 Moving to Node #0,0 Current State: 21:[51, 21, 11], Operations: ['62-51=11'] Exploring Operation: 51+11=62, Resulting Numbers: [21, 62] Generated Node #0,0,0: 21:[21, 62] Operation: 51+11=62 Exploring Operation: 51-21=30, Resulting Numbers: [11, 30] Generated Node #0,0,1: 21:[11, 30] Operation: 51-21=30 Exploring Operation: 21-11=10, Resulting Numbers: [51, 10] Generated Node #0,0,2: 21:[51, 10] Operation: 21-11=10 Exploring Operation: 21+11=32, Resulting Numbers: [51, 32] Generated Node #0,0,3: 21:[51, 32] Operation: 21+11=32 Exploring Operation: 51-11=40, Resulting Numbers: [21, 40] Generated Node #0,0,4: 21:[21, 40] Operation: 51-11=40 Moving to Node #0,3 Current State: 21:[21, 51, 11], Operations: ['62-51=11'] Exploring Operation: 51-11=40, Resulting Numbers: [21, 40] Generated Node #0,3,0: 21:[21, 40] Operation: 51-11=40 Exploring Operation: 51+11=62, Resulting Numbers: [21, 62] Generated Node #0,3,1: 21:[21, 62] Operation: 51+11=62 Exploring Operation: 21+11=32, Resulting Numbers: [51, 32] Generated Node #0,3,2: 21:[51, 32] Operation: 21+11=32 Exploring Operation: 51-21=30, Resulting Numbers: [11, 30] Generated Node #0,3,3: 21:[11, 30] Operation: 51-21=30 Exploring Operation: 21-11=10, Resulting Numbers: [51, 10] Generated Node #0,3,4: 21:[51, 10] Operation: 21-11=10 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 21:[11, 30], Operations: ['62-51=11', '51-21=30'] Exploring Operation: 11*30=330, Resulting Numbers: [330] 330,21 unequal: No Solution Exploring Operation: 11+30=41, Resulting Numbers: [41] 41,21 unequal: No Solution Exploring Operation: 30-11=19, Resulting Numbers: [19] 19,21 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 21:[21, 40], Operations: ['62-51=11', '51-11=40'] Exploring Operation: 21*40=840, Resulting Numbers: [840] 840,21 unequal: No Solution Exploring Operation: 21+40=61, Resulting Numbers: [61] 61,21 unequal: No Solution Exploring Operation: 40-21=19, Resulting Numbers: [19] 19,21 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 21:[51, 10], Operations: ['62-51=11', '21-11=10'] Exploring Operation: 51*10=510, Resulting Numbers: [510] 510,21 unequal: No Solution Exploring Operation: 51-10=41, Resulting Numbers: [41] 41,21 unequal: No Solution Exploring Operation: 51+10=61, Resulting Numbers: [61] 61,21 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 21:[21, 62], Operations: ['62-51=11', '51+11=62'] Exploring Operation: 62-21=41, Resulting Numbers: [41] 41,21 unequal: No Solution Exploring Operation: 21+62=83, Resulting Numbers: [83] 83,21 unequal: No Solution Exploring Operation: 21*62=1302, Resulting Numbers: [1302] 1302,21 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 21:[51, 32], Operations: ['62-51=11', '21+11=32'] Exploring Operation: 51*32=1632, Resulting Numbers: [1632] 1632,21 unequal: No Solution Exploring Operation: 51-32=19, Resulting Numbers: [19] 19,21 unequal: No Solution Exploring Operation: 51+32=83, Resulting Numbers: [83] 83,21 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: 21:[62, 21, 1], Operations: ['51/51=1'] Exploring Operation: 62*1=62, Resulting Numbers: [21, 62] Generated Node #0,2,0: 21:[21, 62] Operation: 62*1=62 Exploring Operation: 62-1=61, Resulting Numbers: [21, 61] Generated Node #0,2,1: 21:[21, 61] Operation: 62-1=61 Exploring Operation: 62-21=41, Resulting Numbers: [1, 41] Generated Node #0,2,2: 21:[1, 41] Operation: 62-21=41 Exploring Operation: 21*1=21, Resulting Numbers: [62, 21] Generated Node #0,2,3: 21:[62, 21] Operation: 21*1=21 Exploring Operation: 62/1=62, Resulting Numbers: [21, 62] Generated Node #0,2,4: 21:[21, 62] Operation: 62/1=62 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 21:[1, 41], Operations: ['51/51=1', '62-21=41'] Exploring Operation: 1+41=42, Resulting Numbers: [42] 42,21 unequal: No Solution Exploring Operation: 41/1=41, Resulting Numbers: [41] 41,21 unequal: No Solution Exploring Operation: 41-1=40, Resulting Numbers: [40] 40,21 unequal: No Solution Exploring Operation: 1*41=41, Resulting Numbers: [41] 41,21 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 #0,2,1 Current State: 21:[21, 61], Operations: ['51/51=1', '62-1=61'] Exploring Operation: 21+61=82, Resulting Numbers: [82] 82,21 unequal: No Solution Exploring Operation: 21*61=1281, Resulting Numbers: [1281] 1281,21 unequal: No Solution Exploring Operation: 61-21=40, Resulting Numbers: [40] 40,21 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 #0,2,0 Current State: 21:[21, 62], Operations: ['51/51=1', '62*1=62'] Exploring Operation: 21*62=1302, Resulting Numbers: [1302] 1302,21 unequal: No Solution Exploring Operation: 62-21=41, Resulting Numbers: [41] 41,21 unequal: No Solution Exploring Operation: 21+62=83, Resulting Numbers: [83] 83,21 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 21:[62, 21], Operations: ['51/51=1', '21*1=21'] Exploring Operation: 62+21=83, Resulting Numbers: [83] 83,21 unequal: No Solution Exploring Operation: 62*21=1302, Resulting Numbers: [1302] 1302,21 unequal: No Solution Exploring Operation: 62-21=41, Resulting Numbers: [41] 41,21 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 #0,2,4 Current State: 21:[21, 62], Operations: ['51/51=1', '62/1=62'] Exploring Operation: 21+62=83, Resulting Numbers: [83] 83,21 unequal: No Solution Exploring Operation: 21*62=1302, Resulting Numbers: [1302] 1302,21 unequal: No Solution Exploring Operation: 62-21=41, Resulting Numbers: [41] 41,21 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: 21:[62, 21, 0], Operations: ['51-51=0'] Exploring Operation: 62-21=41, Resulting Numbers: [0, 41] Generated Node #0,4,0: 21:[0, 41] Operation: 62-21=41 Exploring Operation: 62-0=62, Resulting Numbers: [21, 62] Generated Node #0,4,1: 21:[21, 62] Operation: 62-0=62 Exploring Operation: 62*0=0, Resulting Numbers: [21, 0] Generated Node #0,4,2: 21:[21, 0] Operation: 62*0=0 Exploring Operation: 62+0=62, Resulting Numbers: [21, 62] Generated Node #0,4,3: 21:[21, 62] Operation: 62+0=62 Exploring Operation: 21+0=21, Resulting Numbers: [62, 21] Generated Node #0,4,4: 21:[62, 21] Operation: 21+0=21 Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 21:[21, 0], Operations: ['51-51=0', '62*0=0'] Exploring Operation: 21-0=21, Resulting Numbers: [21] 21,21 equal: Goal Reached Moving to Node #0 Current State: 21:[62, 51, 21, 51], Operations: [] Exploring Operation: 51-51=0, Resulting Numbers: [62, 21, 0] Generated Node #0,4: 21:[62, 21, 0] Operation: 51-51=0 Moving to Node #0,4 Current State: 21:[62, 21, 0], Operations: ['51-51=0'] Exploring Operation: 62*0=0, Resulting Numbers: [21, 0] Generated Node #0,4,2: 21:[21, 0] Operation: 62*0=0 Moving to Node #0,4,2 Current State: 21:[21, 0], Operations: ['51-51=0', '62*0=0'] Exploring Operation: 21-0=21, Resulting Numbers: [21] 21,21 equal: Goal Reached Exit Sub Search at level 1
0.947049
hs_5
mult_heuristic
[ 2, 14, 64, 72 ]
69
[ "72-2=70", "70/14=5", "64+5=69" ]
Current State: 69:[2, 14, 64, 72], Operations: [] Exploring Operation: 72-2=70, Resulting Numbers: [14, 64, 70] Generated Node #2: [14, 64, 70] from Operation: 72-2=70 Current State: 69:[14, 64, 70], Operations: ['72-2=70'] Exploring Operation: 70/14=5, Resulting Numbers: [64, 5] Generated Node #3: [64, 5] from Operation: 70/14=5 Current State: 69:[64, 5], Operations: ['72-2=70', '70/14=5'] Exploring Operation: 64+5=69, Resulting Numbers: [69] 69,69 equal: Goal Reached
4
Current State: 69:[2, 14, 64, 72], Operations: [] Exploring Operation: 14/2=7, Resulting Numbers: [64, 72, 7] Generated Node #0,0: 69:[64, 72, 7] Operation: 14/2=7 Exploring Operation: 14+64=78, Resulting Numbers: [2, 72, 78] Generated Node #0,1: 69:[2, 72, 78] Operation: 14+64=78 Exploring Operation: 2*14=28, Resulting Numbers: [64, 72, 28] Generated Node #0,2: 69:[64, 72, 28] Operation: 2*14=28 Moving to Node #0,0 Current State: 69:[64, 72, 7], Operations: ['14/2=7'] Exploring Operation: 64+7=71, Resulting Numbers: [72, 71] Generated Node #0,0,0: 69:[72, 71] Operation: 64+7=71 Exploring Operation: 72-7=65, Resulting Numbers: [64, 65] Generated Node #0,0,1: 69:[64, 65] Operation: 72-7=65 Exploring Operation: 72-64=8, Resulting Numbers: [7, 8] Generated Node #0,0,2: 69:[7, 8] Operation: 72-64=8 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 69:[72, 71], Operations: ['14/2=7', '64+7=71'] Exploring Operation: 72+71=143, Resulting Numbers: [143] 143,69 unequal: No Solution Exploring Operation: 72*71=5112, Resulting Numbers: [5112] 5112,69 unequal: No Solution Exploring Operation: 72-71=1, Resulting Numbers: [1] 1,69 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 69:[64, 65], Operations: ['14/2=7', '72-7=65'] Exploring Operation: 64*65=4160, Resulting Numbers: [4160] 4160,69 unequal: No Solution Exploring Operation: 64+65=129, Resulting Numbers: [129] 129,69 unequal: No Solution Exploring Operation: 65-64=1, Resulting Numbers: [1] 1,69 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 69:[7, 8], Operations: ['14/2=7', '72-64=8'] Exploring Operation: 8-7=1, Resulting Numbers: [1] 1,69 unequal: No Solution Exploring Operation: 7+8=15, Resulting Numbers: [15] 15,69 unequal: No Solution Exploring Operation: 7*8=56, Resulting Numbers: [56] 56,69 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 69:[2, 72, 78], Operations: ['14+64=78'] Exploring Operation: 78-2=76, Resulting Numbers: [72, 76] Generated Node #0,1,0: 69:[72, 76] Operation: 78-2=76 Exploring Operation: 72-2=70, Resulting Numbers: [78, 70] Generated Node #0,1,1: 69:[78, 70] Operation: 72-2=70 Exploring Operation: 78-72=6, Resulting Numbers: [2, 6] Generated Node #0,1,2: 69:[2, 6] Operation: 78-72=6 Moving to Node #0,2 Current State: 69:[64, 72, 28], Operations: ['2*14=28'] Exploring Operation: 72-64=8, Resulting Numbers: [28, 8] Generated Node #0,2,0: 69:[28, 8] Operation: 72-64=8 Exploring Operation: 64-28=36, Resulting Numbers: [72, 36] Generated Node #0,2,1: 69:[72, 36] Operation: 64-28=36 Exploring Operation: 64+28=92, Resulting Numbers: [72, 92] Generated Node #0,2,2: 69:[72, 92] Operation: 64+28=92 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 69:[28, 8], Operations: ['2*14=28', '72-64=8'] Exploring Operation: 28-8=20, Resulting Numbers: [20] 20,69 unequal: No Solution Exploring Operation: 28*8=224, Resulting Numbers: [224] 224,69 unequal: No Solution Exploring Operation: 28+8=36, Resulting Numbers: [36] 36,69 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 69:[72, 36], Operations: ['2*14=28', '64-28=36'] Exploring Operation: 72+36=108, Resulting Numbers: [108] 108,69 unequal: No Solution Exploring Operation: 72-36=36, Resulting Numbers: [36] 36,69 unequal: No Solution Exploring Operation: 72/36=2, Resulting Numbers: [2] 2,69 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 69:[72, 92], Operations: ['2*14=28', '64+28=92'] Exploring Operation: 72*92=6624, Resulting Numbers: [6624] 6624,69 unequal: No Solution Exploring Operation: 72+92=164, Resulting Numbers: [164] 164,69 unequal: No Solution Exploring Operation: 92-72=20, Resulting Numbers: [20] 20,69 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1,2 Current State: 69:[2, 6], Operations: ['14+64=78', '78-72=6'] Exploring Operation: 2+6=8, Resulting Numbers: [8] 8,69 unequal: No Solution Exploring Operation: 6-2=4, Resulting Numbers: [4] 4,69 unequal: No Solution Exploring Operation: 6/2=3, Resulting Numbers: [3] 3,69 unequal: No Solution Moving to Node #0,1,0 Current State: 69:[72, 76], Operations: ['14+64=78', '78-2=76'] Exploring Operation: 72+76=148, Resulting Numbers: [148] 148,69 unequal: No Solution Exploring Operation: 76-72=4, Resulting Numbers: [4] 4,69 unequal: No Solution Exploring Operation: 72*76=5472, Resulting Numbers: [5472] 5472,69 unequal: No Solution Moving to Node #0,1,1 Current State: 69:[78, 70], Operations: ['14+64=78', '72-2=70'] Exploring Operation: 78-70=8, Resulting Numbers: [8] 8,69 unequal: No Solution Exploring Operation: 78*70=5460, Resulting Numbers: [5460] 5460,69 unequal: No Solution Exploring Operation: 78+70=148, Resulting Numbers: [148] 148,69 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 43, 5, 85, 5 ]
55
[ "43-5=38", "85/5=17", "38+17=55" ]
Current State: 55:[43, 5, 85, 5], Operations: [] Exploring Operation: 43-5=38, Resulting Numbers: [85, 38] Generated Node #2: [85, 38] from Operation: 43-5=38 Current State: 55:[85, 38], Operations: ['43-5=38'] Exploring Operation: 85/5=17, Resulting Numbers: [38, 17] Generated Node #3: [38, 17] from Operation: 85/5=17 Current State: 55:[38, 17], Operations: ['43-5=38', '85/5=17'] Exploring Operation: 38+17=55, Resulting Numbers: [55] 55,55 equal: Goal Reached
4
Current State: 55:[43, 5, 85, 5], Operations: [] Exploring Operation: 85/5=17, Resulting Numbers: [43, 5, 17] Generated Node #0,0: 55:[43, 5, 17] Operation: 85/5=17 Exploring Operation: 85-43=42, Resulting Numbers: [5, 5, 42] Generated Node #0,1: 55:[5, 5, 42] Operation: 85-43=42 Exploring Operation: 85/5=17, Resulting Numbers: [43, 5, 17] Generated Node #0,2: 55:[43, 5, 17] Operation: 85/5=17 Start Sub Search at level 1: Moving to Node #0,1 Current State: 55:[5, 5, 42], Operations: ['85-43=42'] Exploring Operation: 5+42=47, Resulting Numbers: [5, 47] Generated Node #0,1,0: 55:[5, 47] Operation: 5+42=47 Exploring Operation: 5+5=10, Resulting Numbers: [42, 10] Generated Node #0,1,1: 55:[42, 10] Operation: 5+5=10 Exploring Operation: 5+42=47, Resulting Numbers: [5, 47] Generated Node #0,1,2: 55:[5, 47] Operation: 5+42=47 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 55:[5, 47], Operations: ['85-43=42', '5+42=47'] Exploring Operation: 5+47=52, Resulting Numbers: [52] 52,55 unequal: No Solution Exploring Operation: 47-5=42, Resulting Numbers: [42] 42,55 unequal: No Solution Exploring Operation: 5*47=235, Resulting Numbers: [235] 235,55 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 55:[5, 47], Operations: ['85-43=42', '5+42=47'] Exploring Operation: 47-5=42, Resulting Numbers: [42] 42,55 unequal: No Solution Exploring Operation: 5*47=235, Resulting Numbers: [235] 235,55 unequal: No Solution Exploring Operation: 5+47=52, Resulting Numbers: [52] 52,55 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 55:[42, 10], Operations: ['85-43=42', '5+5=10'] Exploring Operation: 42+10=52, Resulting Numbers: [52] 52,55 unequal: No Solution Exploring Operation: 42*10=420, Resulting Numbers: [420] 420,55 unequal: No Solution Exploring Operation: 42-10=32, Resulting Numbers: [32] 32,55 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 55:[43, 5, 17], Operations: ['85/5=17'] Exploring Operation: 43+17=60, Resulting Numbers: [5, 60] Generated Node #0,0,0: 55:[5, 60] Operation: 43+17=60 Exploring Operation: 43+5=48, Resulting Numbers: [17, 48] Generated Node #0,0,1: 55:[17, 48] Operation: 43+5=48 Exploring Operation: 17-5=12, Resulting Numbers: [43, 12] Generated Node #0,0,2: 55:[43, 12] Operation: 17-5=12 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 55:[5, 60], Operations: ['85/5=17', '43+17=60'] Exploring Operation: 60-5=55, Resulting Numbers: [55] 55,55 equal: Goal Reached Moving to Node #0 Current State: 55:[43, 5, 85, 5], Operations: [] Exploring Operation: 85/5=17, Resulting Numbers: [43, 5, 17] Generated Node #0,0: 55:[43, 5, 17] Operation: 85/5=17 Moving to Node #0,0 Current State: 55:[43, 5, 17], Operations: ['85/5=17'] Exploring Operation: 43+17=60, Resulting Numbers: [5, 60] Generated Node #0,0,0: 55:[5, 60] Operation: 43+17=60 Moving to Node #0,0,0 Current State: 55:[5, 60], Operations: ['85/5=17', '43+17=60'] Exploring Operation: 60-5=55, Resulting Numbers: [55] 55,55 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.980035
hs_3
sum_heuristic
[ 24, 45, 43, 5 ]
38
[ "24-5=19", "45-43=2", "19*2=38" ]
Current State: 38:[24, 45, 43, 5], Operations: [] Exploring Operation: 24-5=19, Resulting Numbers: [45, 43, 19] Generated Node #2: [45, 43, 19] from Operation: 24-5=19 Current State: 38:[45, 43, 19], Operations: ['24-5=19'] Exploring Operation: 45-43=2, Resulting Numbers: [19, 2] Generated Node #3: [19, 2] from Operation: 45-43=2 Current State: 38:[19, 2], Operations: ['24-5=19', '45-43=2'] Exploring Operation: 19*2=38, Resulting Numbers: [38] 38,38 equal: Goal Reached
4
Current State: 38:[24, 45, 43, 5], Operations: [] Exploring Operation: 45-24=21, Resulting Numbers: [43, 5, 21] Generated Node #0,0: 38:[43, 5, 21] Operation: 45-24=21 Exploring Operation: 45-43=2, Resulting Numbers: [24, 5, 2] Generated Node #0,1: 38:[24, 5, 2] Operation: 45-43=2 Exploring Operation: 43-24=19, Resulting Numbers: [45, 5, 19] Generated Node #0,2: 38:[45, 5, 19] Operation: 43-24=19 Exploring Operation: 24-5=19, Resulting Numbers: [45, 43, 19] Generated Node #0,3: 38:[45, 43, 19] Operation: 24-5=19 Start Sub Search at level 1: Moving to Node #0,1 Current State: 38:[24, 5, 2], Operations: ['45-43=2'] Exploring Operation: 24-2=22, Resulting Numbers: [5, 22] Generated Node #0,1,0: 38:[5, 22] Operation: 24-2=22 Exploring Operation: 24-5=19, Resulting Numbers: [2, 19] Generated Node #0,1,1: 38:[2, 19] Operation: 24-5=19 Exploring Operation: 5-2=3, Resulting Numbers: [24, 3] Generated Node #0,1,2: 38:[24, 3] Operation: 5-2=3 Exploring Operation: 24+5=29, Resulting Numbers: [2, 29] Generated Node #0,1,3: 38:[2, 29] Operation: 24+5=29 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 38:[2, 19], Operations: ['45-43=2', '24-5=19'] Exploring Operation: 19-2=17, Resulting Numbers: [17] 17,38 unequal: No Solution Exploring Operation: 2*19=38, Resulting Numbers: [38] 38,38 equal: Goal Reached Moving to Node #0 Current State: 38:[24, 45, 43, 5], Operations: [] Exploring Operation: 45-43=2, Resulting Numbers: [24, 5, 2] Generated Node #0,1: 38:[24, 5, 2] Operation: 45-43=2 Moving to Node #0,1 Current State: 38:[24, 5, 2], Operations: ['45-43=2'] Exploring Operation: 24-5=19, Resulting Numbers: [2, 19] Generated Node #0,1,1: 38:[2, 19] Operation: 24-5=19 Moving to Node #0,1,1 Current State: 38:[2, 19], Operations: ['45-43=2', '24-5=19'] Exploring Operation: 2*19=38, Resulting Numbers: [38] 38,38 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.987847
hs_4
sum_heuristic
[ 59, 21, 93, 2 ]
11
[ "59+21=80", "93-2=91", "91-80=11" ]
Current State: 11:[59, 21, 93, 2], Operations: [] Exploring Operation: 59+21=80, Resulting Numbers: [93, 2, 80] Generated Node #2: [93, 2, 80] from Operation: 59+21=80 Current State: 11:[93, 2, 80], Operations: ['59+21=80'] Exploring Operation: 93-2=91, Resulting Numbers: [80, 91] Generated Node #3: [80, 91] from Operation: 93-2=91 Current State: 11:[80, 91], Operations: ['59+21=80', '93-2=91'] Exploring Operation: 91-80=11, Resulting Numbers: [11] 11,11 equal: Goal Reached
4
Current State: 11:[59, 21, 93, 2], Operations: [] Exploring Operation: 93-21=72, Resulting Numbers: [59, 2, 72] Generated Node #0,0: 11:[59, 2, 72] Operation: 93-21=72 Exploring Operation: 59-21=38, Resulting Numbers: [93, 2, 38] Generated Node #0,1: 11:[93, 2, 38] Operation: 59-21=38 Exploring Operation: 93-59=34, Resulting Numbers: [21, 2, 34] Generated Node #0,2: 11:[21, 2, 34] Operation: 93-59=34 Moving to Node #0,2 Current State: 11:[21, 2, 34], Operations: ['93-59=34'] Exploring Operation: 34/2=17, Resulting Numbers: [21, 17] Generated Node #0,2,0: 11:[21, 17] Operation: 34/2=17 Exploring Operation: 21-2=19, Resulting Numbers: [34, 19] Generated Node #0,2,1: 11:[34, 19] Operation: 21-2=19 Exploring Operation: 34-21=13, Resulting Numbers: [2, 13] Generated Node #0,2,2: 11:[2, 13] Operation: 34-21=13 Moving to Node #0,0 Current State: 11:[59, 2, 72], Operations: ['93-21=72'] Exploring Operation: 72-59=13, Resulting Numbers: [2, 13] Generated Node #0,0,0: 11:[2, 13] Operation: 72-59=13 Exploring Operation: 72/2=36, Resulting Numbers: [59, 36] Generated Node #0,0,1: 11:[59, 36] Operation: 72/2=36 Exploring Operation: 59-2=57, Resulting Numbers: [72, 57] Generated Node #0,0,2: 11:[72, 57] Operation: 59-2=57 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 11:[2, 13], Operations: ['93-21=72', '72-59=13'] Exploring Operation: 2*13=26, Resulting Numbers: [26] 26,11 unequal: No Solution Exploring Operation: 13-2=11, Resulting Numbers: [11] 11,11 equal: Goal Reached Moving to Node #0 Current State: 11:[59, 21, 93, 2], Operations: [] Exploring Operation: 93-21=72, Resulting Numbers: [59, 2, 72] Generated Node #0,0: 11:[59, 2, 72] Operation: 93-21=72 Moving to Node #0,0 Current State: 11:[59, 2, 72], Operations: ['93-21=72'] Exploring Operation: 72-59=13, Resulting Numbers: [2, 13] Generated Node #0,0,0: 11:[2, 13] Operation: 72-59=13 Moving to Node #0,0,0 Current State: 11:[2, 13], Operations: ['93-21=72', '72-59=13'] Exploring Operation: 13-2=11, Resulting Numbers: [11] 11,11 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_3
mult_heuristic
[ 51, 31, 1, 17 ]
65
[ "51+31=82", "1*17=17", "82-17=65" ]
Current State: 65:[51, 31, 1, 17], Operations: [] Exploring Operation: 51+31=82, Resulting Numbers: [1, 17, 82] Generated Node #2: [1, 17, 82] from Operation: 51+31=82 Current State: 65:[1, 17, 82], Operations: ['51+31=82'] Exploring Operation: 1*17=17, Resulting Numbers: [82, 17] Generated Node #3: [82, 17] from Operation: 1*17=17 Current State: 65:[82, 17], Operations: ['51+31=82', '1*17=17'] Exploring Operation: 82-17=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
4
Current State: 65:[51, 31, 1, 17], Operations: [] Exploring Operation: 51/17=3, Resulting Numbers: [31, 1, 3] Generated Node #0,0: 65:[31, 1, 3] Operation: 51/17=3 Exploring Operation: 31-17=14, Resulting Numbers: [51, 1, 14] Generated Node #0,1: 65:[51, 1, 14] Operation: 31-17=14 Exploring Operation: 51-31=20, Resulting Numbers: [1, 17, 20] Generated Node #0,2: 65:[1, 17, 20] Operation: 51-31=20 Exploring Operation: 51+31=82, Resulting Numbers: [1, 17, 82] Generated Node #0,3: 65:[1, 17, 82] Operation: 51+31=82 Start Sub Search at level 1: Moving to Node #0,2 Current State: 65:[1, 17, 20], Operations: ['51-31=20'] Exploring Operation: 20-1=19, Resulting Numbers: [17, 19] Generated Node #0,2,0: 65:[17, 19] Operation: 20-1=19 Exploring Operation: 1*17=17, Resulting Numbers: [20, 17] Generated Node #0,2,1: 65:[20, 17] Operation: 1*17=17 Exploring Operation: 20-17=3, Resulting Numbers: [1, 3] Generated Node #0,2,2: 65:[1, 3] Operation: 20-17=3 Exploring Operation: 17-1=16, Resulting Numbers: [20, 16] Generated Node #0,2,3: 65:[20, 16] Operation: 17-1=16 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 65:[1, 3], Operations: ['51-31=20', '20-17=3'] Exploring Operation: 3/1=3, Resulting Numbers: [3] 3,65 unequal: No Solution Exploring Operation: 1+3=4, Resulting Numbers: [4] 4,65 unequal: No Solution Exploring Operation: 3-1=2, Resulting Numbers: [2] 2,65 unequal: No Solution Exploring Operation: 1*3=3, Resulting Numbers: [3] 3,65 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:[17, 19], Operations: ['51-31=20', '20-1=19'] Exploring Operation: 17*19=323, Resulting Numbers: [323] 323,65 unequal: No Solution Exploring Operation: 17+19=36, Resulting Numbers: [36] 36,65 unequal: No Solution Exploring Operation: 19-17=2, Resulting Numbers: [2] 2,65 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:[20, 16], Operations: ['51-31=20', '17-1=16'] Exploring Operation: 20+16=36, Resulting Numbers: [36] 36,65 unequal: No Solution Exploring Operation: 20-16=4, Resulting Numbers: [4] 4,65 unequal: No Solution Exploring Operation: 20*16=320, Resulting Numbers: [320] 320,65 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 #0,2,1 Current State: 65:[20, 17], Operations: ['51-31=20', '1*17=17'] Exploring Operation: 20*17=340, Resulting Numbers: [340] 340,65 unequal: No Solution Exploring Operation: 20+17=37, Resulting Numbers: [37] 37,65 unequal: No Solution Exploring Operation: 20-17=3, Resulting Numbers: [3] 3,65 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 #0,1 Current State: 65:[51, 1, 14], Operations: ['31-17=14'] Exploring Operation: 51+1=52, Resulting Numbers: [14, 52] Generated Node #0,1,0: 65:[14, 52] Operation: 51+1=52 Exploring Operation: 14-1=13, Resulting Numbers: [51, 13] Generated Node #0,1,1: 65:[51, 13] Operation: 14-1=13 Exploring Operation: 51*1=51, Resulting Numbers: [14, 51] Generated Node #0,1,2: 65:[14, 51] Operation: 51*1=51 Exploring Operation: 51+14=65, Resulting Numbers: [1, 65] Generated Node #0,1,3: 65:[1, 65] Operation: 51+14=65 Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 65:[1, 65], Operations: ['31-17=14', '51+14=65'] Exploring Operation: 65/1=65, Resulting Numbers: [65] 65,65 equal: Goal Reached Moving to Node #0 Current State: 65:[51, 31, 1, 17], Operations: [] Exploring Operation: 31-17=14, Resulting Numbers: [51, 1, 14] Generated Node #0,1: 65:[51, 1, 14] Operation: 31-17=14 Moving to Node #0,1 Current State: 65:[51, 1, 14], Operations: ['31-17=14'] Exploring Operation: 51+14=65, Resulting Numbers: [1, 65] Generated Node #0,1,3: 65:[1, 65] Operation: 51+14=65 Moving to Node #0,1,3 Current State: 65:[1, 65], Operations: ['31-17=14', '51+14=65'] Exploring Operation: 65/1=65, Resulting Numbers: [65] 65,65 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.973958
hs_4
sum_heuristic
[ 94, 81, 22, 43 ]
34
[ "94-81=13", "43-22=21", "13+21=34" ]
Current State: 34:[94, 81, 22, 43], Operations: [] Exploring Operation: 94-81=13, Resulting Numbers: [22, 43, 13] Generated Node #2: [22, 43, 13] from Operation: 94-81=13 Current State: 34:[22, 43, 13], Operations: ['94-81=13'] Exploring Operation: 43-22=21, Resulting Numbers: [13, 21] Generated Node #3: [13, 21] from Operation: 43-22=21 Current State: 34:[13, 21], Operations: ['94-81=13', '43-22=21'] Exploring Operation: 13+21=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
4
Current State: 34:[94, 81, 22, 43], Operations: [] Exploring Operation: 94-43=51, Resulting Numbers: [81, 22, 51] Generated Node #0,0: 34:[81, 22, 51] Operation: 94-43=51 Exploring Operation: 94-81=13, Resulting Numbers: [22, 43, 13] Generated Node #0,1: 34:[22, 43, 13] Operation: 94-81=13 Moving to Node #0,1 Current State: 34:[22, 43, 13], Operations: ['94-81=13'] Exploring Operation: 43-13=30, Resulting Numbers: [22, 30] Generated Node #0,1,0: 34:[22, 30] Operation: 43-13=30 Exploring Operation: 43-22=21, Resulting Numbers: [13, 21] Generated Node #0,1,1: 34:[13, 21] Operation: 43-22=21 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 34:[13, 21], Operations: ['94-81=13', '43-22=21'] Exploring Operation: 13+21=34, Resulting Numbers: [34] 34,34 equal: Goal Reached Moving to Node #0 Current State: 34:[94, 81, 22, 43], Operations: [] Exploring Operation: 94-81=13, Resulting Numbers: [22, 43, 13] Generated Node #0,1: 34:[22, 43, 13] Operation: 94-81=13 Moving to Node #0,1 Current State: 34:[22, 43, 13], Operations: ['94-81=13'] Exploring Operation: 43-22=21, Resulting Numbers: [13, 21] Generated Node #0,1,1: 34:[13, 21] Operation: 43-22=21 Moving to Node #0,1,1 Current State: 34:[13, 21], Operations: ['94-81=13', '43-22=21'] Exploring Operation: 13+21=34, Resulting Numbers: [34] 34,34 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
sum_heuristic
[ 89, 51, 18, 3 ]
46
[ "89+18=107", "51*3=153", "153-107=46" ]
Current State: 46:[89, 51, 18, 3], Operations: [] Exploring Operation: 89+18=107, Resulting Numbers: [51, 3, 107] Generated Node #2: [51, 3, 107] from Operation: 89+18=107 Current State: 46:[51, 3, 107], Operations: ['89+18=107'] Exploring Operation: 51*3=153, Resulting Numbers: [107, 153] Generated Node #3: [107, 153] from Operation: 51*3=153 Current State: 46:[107, 153], Operations: ['89+18=107', '51*3=153'] Exploring Operation: 153-107=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
4
Current State: 46:[89, 51, 18, 3], Operations: [] Exploring Operation: 51-3=48, Resulting Numbers: [89, 18, 48] Generated Node #0,0: 46:[89, 18, 48] Operation: 51-3=48 Exploring Operation: 89-51=38, Resulting Numbers: [18, 3, 38] Generated Node #0,1: 46:[18, 3, 38] Operation: 89-51=38 Exploring Operation: 89-18=71, Resulting Numbers: [51, 3, 71] Generated Node #0,2: 46:[51, 3, 71] Operation: 89-18=71 Exploring Operation: 89-3=86, Resulting Numbers: [51, 18, 86] Generated Node #0,3: 46:[51, 18, 86] Operation: 89-3=86 Exploring Operation: 18+3=21, Resulting Numbers: [89, 51, 21] Generated Node #0,4: 46:[89, 51, 21] Operation: 18+3=21 Start Sub Search at level 1: Moving to Node #0,1 Current State: 46:[18, 3, 38], Operations: ['89-51=38'] Exploring Operation: 18+3=21, Resulting Numbers: [38, 21] Generated Node #0,1,0: 46:[38, 21] Operation: 18+3=21 Exploring Operation: 38-18=20, Resulting Numbers: [3, 20] Generated Node #0,1,1: 46:[3, 20] Operation: 38-18=20 Exploring Operation: 18+38=56, Resulting Numbers: [3, 56] Generated Node #0,1,2: 46:[3, 56] Operation: 18+38=56 Exploring Operation: 18/3=6, Resulting Numbers: [38, 6] Generated Node #0,1,3: 46:[38, 6] Operation: 18/3=6 Exploring Operation: 3+38=41, Resulting Numbers: [18, 41] Generated Node #0,1,4: 46:[18, 41] Operation: 3+38=41 Moving to Node #0,1,1 Current State: 46:[3, 20], Operations: ['89-51=38', '38-18=20'] Exploring Operation: 3+20=23, Resulting Numbers: [23] 23,46 unequal: No Solution Exploring Operation: 20-3=17, Resulting Numbers: [17] 17,46 unequal: No Solution Exploring Operation: 3*20=60, Resulting Numbers: [60] 60,46 unequal: No Solution Moving to Node #0,1,4 Current State: 46:[18, 41], Operations: ['89-51=38', '3+38=41'] Exploring Operation: 18+41=59, Resulting Numbers: [59] 59,46 unequal: No Solution Exploring Operation: 41-18=23, Resulting Numbers: [23] 23,46 unequal: No Solution Exploring Operation: 18*41=738, Resulting Numbers: [738] 738,46 unequal: No Solution Moving to Node #0,1,0 Current State: 46:[38, 21], Operations: ['89-51=38', '18+3=21'] Exploring Operation: 38+21=59, Resulting Numbers: [59] 59,46 unequal: No Solution Exploring Operation: 38-21=17, Resulting Numbers: [17] 17,46 unequal: No Solution Exploring Operation: 38*21=798, Resulting Numbers: [798] 798,46 unequal: No Solution Moving to Node #0,1,2 Current State: 46:[3, 56], Operations: ['89-51=38', '18+38=56'] Exploring Operation: 3+56=59, Resulting Numbers: [59] 59,46 unequal: No Solution Exploring Operation: 56-3=53, Resulting Numbers: [53] 53,46 unequal: No Solution Exploring Operation: 3*56=168, Resulting Numbers: [168] 168,46 unequal: No Solution Moving to Node #0,1,3 Current State: 46:[38, 6], Operations: ['89-51=38', '18/3=6'] Exploring Operation: 38*6=228, Resulting Numbers: [228] 228,46 unequal: No Solution Exploring Operation: 38-6=32, Resulting Numbers: [32] 32,46 unequal: No Solution Exploring Operation: 38+6=44, Resulting Numbers: [44] 44,46 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 46:[51, 3, 71], Operations: ['89-18=71'] Exploring Operation: 51-3=48, Resulting Numbers: [71, 48] Generated Node #0,2,0: 46:[71, 48] Operation: 51-3=48 Exploring Operation: 51/3=17, Resulting Numbers: [71, 17] Generated Node #0,2,1: 46:[71, 17] Operation: 51/3=17 Exploring Operation: 71-51=20, Resulting Numbers: [3, 20] Generated Node #0,2,2: 46:[3, 20] Operation: 71-51=20 Exploring Operation: 51+3=54, Resulting Numbers: [71, 54] Generated Node #0,2,3: 46:[71, 54] Operation: 51+3=54 Exploring Operation: 71-3=68, Resulting Numbers: [51, 68] Generated Node #0,2,4: 46:[51, 68] Operation: 71-3=68 Moving to Node #0,2,2 Current State: 46:[3, 20], Operations: ['89-18=71', '71-51=20'] Exploring Operation: 3*20=60, Resulting Numbers: [60] 60,46 unequal: No Solution Exploring Operation: 20-3=17, Resulting Numbers: [17] 17,46 unequal: No Solution Exploring Operation: 3+20=23, Resulting Numbers: [23] 23,46 unequal: No Solution Moving to Node #0,2,4 Current State: 46:[51, 68], Operations: ['89-18=71', '71-3=68'] Exploring Operation: 51*68=3468, Resulting Numbers: [3468] 3468,46 unequal: No Solution Exploring Operation: 51+68=119, Resulting Numbers: [119] 119,46 unequal: No Solution Exploring Operation: 68-51=17, Resulting Numbers: [17] 17,46 unequal: No Solution Moving to Node #0,2,0 Current State: 46:[71, 48], Operations: ['89-18=71', '51-3=48'] Exploring Operation: 71-48=23, Resulting Numbers: [23] 23,46 unequal: No Solution Exploring Operation: 71*48=3408, Resulting Numbers: [3408] 3408,46 unequal: No Solution Exploring Operation: 71+48=119, Resulting Numbers: [119] 119,46 unequal: No Solution Moving to Node #0,2,1 Current State: 46:[71, 17], Operations: ['89-18=71', '51/3=17'] Exploring Operation: 71*17=1207, Resulting Numbers: [1207] 1207,46 unequal: No Solution Exploring Operation: 71+17=88, Resulting Numbers: [88] 88,46 unequal: No Solution Exploring Operation: 71-17=54, Resulting Numbers: [54] 54,46 unequal: No Solution Moving to Node #0,2,3 Current State: 46:[71, 54], Operations: ['89-18=71', '51+3=54'] Exploring Operation: 71+54=125, Resulting Numbers: [125] 125,46 unequal: No Solution Exploring Operation: 71-54=17, Resulting Numbers: [17] 17,46 unequal: No Solution Exploring Operation: 71*54=3834, Resulting Numbers: [3834] 3834,46 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 46:[89, 18, 48], Operations: ['51-3=48'] Exploring Operation: 89+18=107, Resulting Numbers: [48, 107] Generated Node #0,0,0: 46:[48, 107] Operation: 89+18=107 Exploring Operation: 18+48=66, Resulting Numbers: [89, 66] Generated Node #0,0,1: 46:[89, 66] Operation: 18+48=66 Exploring Operation: 89-18=71, Resulting Numbers: [48, 71] Generated Node #0,0,2: 46:[48, 71] Operation: 89-18=71 Exploring Operation: 48-18=30, Resulting Numbers: [89, 30] Generated Node #0,0,3: 46:[89, 30] Operation: 48-18=30 Exploring Operation: 89-48=41, Resulting Numbers: [18, 41] Generated Node #0,0,4: 46:[18, 41] Operation: 89-48=41 Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 46:[18, 41], Operations: ['51-3=48', '89-48=41'] Exploring Operation: 18+41=59, Resulting Numbers: [59] 59,46 unequal: No Solution Exploring Operation: 41-18=23, Resulting Numbers: [23] 23,46 unequal: No Solution Exploring Operation: 18*41=738, Resulting Numbers: [738] 738,46 unequal: No Solution No 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: 46:[48, 71], Operations: ['51-3=48', '89-18=71'] Exploring Operation: 71-48=23, Resulting Numbers: [23] 23,46 unequal: No Solution Exploring Operation: 48+71=119, Resulting Numbers: [119] 119,46 unequal: No Solution Exploring Operation: 48*71=3408, Resulting Numbers: [3408] 3408,46 unequal: No Solution No 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: 46:[89, 30], Operations: ['51-3=48', '48-18=30'] Exploring Operation: 89-30=59, Resulting Numbers: [59] 59,46 unequal: No Solution Exploring Operation: 89*30=2670, Resulting Numbers: [2670] 2670,46 unequal: No Solution Exploring Operation: 89+30=119, Resulting Numbers: [119] 119,46 unequal: No Solution No 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: 46:[48, 107], Operations: ['51-3=48', '89+18=107'] Exploring Operation: 48+107=155, Resulting Numbers: [155] 155,46 unequal: No Solution Exploring Operation: 107-48=59, Resulting Numbers: [59] 59,46 unequal: No Solution Exploring Operation: 48*107=5136, Resulting Numbers: [5136] 5136,46 unequal: No Solution No 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: 46:[89, 66], Operations: ['51-3=48', '18+48=66'] Exploring Operation: 89-66=23, Resulting Numbers: [23] 23,46 unequal: No Solution Exploring Operation: 89*66=5874, Resulting Numbers: [5874] 5874,46 unequal: No Solution Exploring Operation: 89+66=155, Resulting Numbers: [155] 155,46 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: 46:[51, 18, 86], Operations: ['89-3=86'] Exploring Operation: 51+18=69, Resulting Numbers: [86, 69] Generated Node #0,3,0: 46:[86, 69] Operation: 51+18=69 Exploring Operation: 51-18=33, Resulting Numbers: [86, 33] Generated Node #0,3,1: 46:[86, 33] Operation: 51-18=33 Exploring Operation: 86-18=68, Resulting Numbers: [51, 68] Generated Node #0,3,2: 46:[51, 68] Operation: 86-18=68 Exploring Operation: 18+86=104, Resulting Numbers: [51, 104] Generated Node #0,3,3: 46:[51, 104] Operation: 18+86=104 Exploring Operation: 86-51=35, Resulting Numbers: [18, 35] Generated Node #0,3,4: 46:[18, 35] Operation: 86-51=35 Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 46:[18, 35], Operations: ['89-3=86', '86-51=35'] Exploring Operation: 18*35=630, Resulting Numbers: [630] 630,46 unequal: No Solution Exploring Operation: 18+35=53, Resulting Numbers: [53] 53,46 unequal: No Solution Exploring Operation: 35-18=17, Resulting Numbers: [17] 17,46 unequal: No Solution No 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: 46:[51, 68], Operations: ['89-3=86', '86-18=68'] Exploring Operation: 51*68=3468, Resulting Numbers: [3468] 3468,46 unequal: No Solution Exploring Operation: 51+68=119, Resulting Numbers: [119] 119,46 unequal: No Solution Exploring Operation: 68-51=17, Resulting Numbers: [17] 17,46 unequal: No Solution No 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: 46:[86, 33], Operations: ['89-3=86', '51-18=33'] Exploring Operation: 86+33=119, Resulting Numbers: [119] 119,46 unequal: No Solution Exploring Operation: 86-33=53, Resulting Numbers: [53] 53,46 unequal: No Solution Exploring Operation: 86*33=2838, Resulting Numbers: [2838] 2838,46 unequal: No Solution No 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: 46:[86, 69], Operations: ['89-3=86', '51+18=69'] Exploring Operation: 86+69=155, Resulting Numbers: [155] 155,46 unequal: No Solution Exploring Operation: 86*69=5934, Resulting Numbers: [5934] 5934,46 unequal: No Solution Exploring Operation: 86-69=17, Resulting Numbers: [17] 17,46 unequal: No Solution No 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: 46:[51, 104], Operations: ['89-3=86', '18+86=104'] Exploring Operation: 51+104=155, Resulting Numbers: [155] 155,46 unequal: No Solution Exploring Operation: 104-51=53, Resulting Numbers: [53] 53,46 unequal: No Solution Exploring Operation: 51*104=5304, Resulting Numbers: [5304] 5304,46 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: 46:[89, 51, 21], Operations: ['18+3=21'] Exploring Operation: 51-21=30, Resulting Numbers: [89, 30] Generated Node #0,4,0: 46:[89, 30] Operation: 51-21=30 Exploring Operation: 89+21=110, Resulting Numbers: [51, 110] Generated Node #0,4,1: 46:[51, 110] Operation: 89+21=110 Exploring Operation: 89-51=38, Resulting Numbers: [21, 38] Generated Node #0,4,2: 46:[21, 38] Operation: 89-51=38 Exploring Operation: 51+21=72, Resulting Numbers: [89, 72] Generated Node #0,4,3: 46:[89, 72] Operation: 51+21=72 Exploring Operation: 89-21=68, Resulting Numbers: [51, 68] Generated Node #0,4,4: 46:[51, 68] Operation: 89-21=68 Moving to Node #0,4,2 Current State: 46:[21, 38], Operations: ['18+3=21', '89-51=38'] Exploring Operation: 38-21=17, Resulting Numbers: [17] 17,46 unequal: No Solution Exploring Operation: 21+38=59, Resulting Numbers: [59] 59,46 unequal: No Solution Exploring Operation: 21*38=798, Resulting Numbers: [798] 798,46 unequal: No Solution Moving to Node #0,4,4 Current State: 46:[51, 68], Operations: ['18+3=21', '89-21=68'] Exploring Operation: 51*68=3468, Resulting Numbers: [3468] 3468,46 unequal: No Solution Exploring Operation: 51+68=119, Resulting Numbers: [119] 119,46 unequal: No Solution Exploring Operation: 68-51=17, Resulting Numbers: [17] 17,46 unequal: No Solution Moving to Node #0,4,0 Current State: 46:[89, 30], Operations: ['18+3=21', '51-21=30'] Exploring Operation: 89*30=2670, Resulting Numbers: [2670] 2670,46 unequal: No Solution Exploring Operation: 89+30=119, Resulting Numbers: [119] 119,46 unequal: No Solution Exploring Operation: 89-30=59, Resulting Numbers: [59] 59,46 unequal: No Solution Moving to Node #0,4,1 Current State: 46:[51, 110], Operations: ['18+3=21', '89+21=110'] Exploring Operation: 51+110=161, Resulting Numbers: [161] 161,46 unequal: No Solution Exploring Operation: 110-51=59, Resulting Numbers: [59] 59,46 unequal: No Solution Exploring Operation: 51*110=5610, Resulting Numbers: [5610] 5610,46 unequal: No Solution Moving to Node #0,4,3 Current State: 46:[89, 72], Operations: ['18+3=21', '51+21=72'] Exploring Operation: 89*72=6408, Resulting Numbers: [6408] 6408,46 unequal: No Solution Exploring Operation: 89-72=17, Resulting Numbers: [17] 17,46 unequal: No Solution Exploring Operation: 89+72=161, Resulting Numbers: [161] 161,46 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
mult_heuristic
[ 77, 52, 41, 2 ]
85
[ "77+52=129", "41+129=170", "170/2=85" ]
Current State: 85:[77, 52, 41, 2], Operations: [] Exploring Operation: 77+52=129, Resulting Numbers: [41, 2, 129] Generated Node #2: [41, 2, 129] from Operation: 77+52=129 Current State: 85:[41, 2, 129], Operations: ['77+52=129'] Exploring Operation: 41+129=170, Resulting Numbers: [2, 170] Generated Node #3: [2, 170] from Operation: 41+129=170 Current State: 85:[2, 170], Operations: ['77+52=129', '41+129=170'] Exploring Operation: 170/2=85, Resulting Numbers: [85] 85,85 equal: Goal Reached
4
Current State: 85:[77, 52, 41, 2], Operations: [] Exploring Operation: 52-41=11, Resulting Numbers: [77, 2, 11] Generated Node #0,0: 85:[77, 2, 11] Operation: 52-41=11 Exploring Operation: 77-52=25, Resulting Numbers: [41, 2, 25] Generated Node #0,1: 85:[41, 2, 25] Operation: 77-52=25 Exploring Operation: 52+41=93, Resulting Numbers: [77, 2, 93] Generated Node #0,2: 85:[77, 2, 93] Operation: 52+41=93 Exploring Operation: 52/2=26, Resulting Numbers: [77, 41, 26] Generated Node #0,3: 85:[77, 41, 26] Operation: 52/2=26 Exploring Operation: 41*2=82, Resulting Numbers: [77, 52, 82] Generated Node #0,4: 85:[77, 52, 82] Operation: 41*2=82 Moving to Node #0,0 Current State: 85:[77, 2, 11], Operations: ['52-41=11'] Exploring Operation: 77/11=7, Resulting Numbers: [2, 7] Generated Node #0,0,0: 85:[2, 7] Operation: 77/11=7 Exploring Operation: 11-2=9, Resulting Numbers: [77, 9] Generated Node #0,0,1: 85:[77, 9] Operation: 11-2=9 Exploring Operation: 77+11=88, Resulting Numbers: [2, 88] Generated Node #0,0,2: 85:[2, 88] Operation: 77+11=88 Exploring Operation: 2+11=13, Resulting Numbers: [77, 13] Generated Node #0,0,3: 85:[77, 13] Operation: 2+11=13 Exploring Operation: 77+2=79, Resulting Numbers: [11, 79] Generated Node #0,0,4: 85:[11, 79] Operation: 77+2=79 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 85:[2, 7], Operations: ['52-41=11', '77/11=7'] Exploring Operation: 2*7=14, Resulting Numbers: [14] 14,85 unequal: No Solution Exploring Operation: 7-2=5, Resulting Numbers: [5] 5,85 unequal: No Solution Exploring Operation: 2+7=9, Resulting Numbers: [9] 9,85 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 #0,0,2 Current State: 85:[2, 88], Operations: ['52-41=11', '77+11=88'] Exploring Operation: 2+88=90, Resulting Numbers: [90] 90,85 unequal: No Solution Exploring Operation: 2*88=176, Resulting Numbers: [176] 176,85 unequal: No Solution Exploring Operation: 88-2=86, Resulting Numbers: [86] 86,85 unequal: No Solution Exploring Operation: 88/2=44, Resulting Numbers: [44] 44,85 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 #0,0,1 Current State: 85:[77, 9], Operations: ['52-41=11', '11-2=9'] Exploring Operation: 77+9=86, Resulting Numbers: [86] 86,85 unequal: No Solution Exploring Operation: 77-9=68, Resulting Numbers: [68] 68,85 unequal: No Solution Exploring Operation: 77*9=693, Resulting Numbers: [693] 693,85 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 #0,0,3 Current State: 85:[77, 13], Operations: ['52-41=11', '2+11=13'] Exploring Operation: 77*13=1001, Resulting Numbers: [1001] 1001,85 unequal: No Solution Exploring Operation: 77-13=64, Resulting Numbers: [64] 64,85 unequal: No Solution Exploring Operation: 77+13=90, Resulting Numbers: [90] 90,85 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 #0,0,4 Current State: 85:[11, 79], Operations: ['52-41=11', '77+2=79'] Exploring Operation: 79-11=68, Resulting Numbers: [68] 68,85 unequal: No Solution Exploring Operation: 11*79=869, Resulting Numbers: [869] 869,85 unequal: No Solution Exploring Operation: 11+79=90, Resulting Numbers: [90] 90,85 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:[77, 2, 93], Operations: ['52+41=93'] Exploring Operation: 77+2=79, Resulting Numbers: [93, 79] Generated Node #0,2,0: 85:[93, 79] Operation: 77+2=79 Exploring Operation: 93-77=16, Resulting Numbers: [2, 16] Generated Node #0,2,1: 85:[2, 16] Operation: 93-77=16 Exploring Operation: 77-2=75, Resulting Numbers: [93, 75] Generated Node #0,2,2: 85:[93, 75] Operation: 77-2=75 Exploring Operation: 93-2=91, Resulting Numbers: [77, 91] Generated Node #0,2,3: 85:[77, 91] Operation: 93-2=91 Exploring Operation: 2+93=95, Resulting Numbers: [77, 95] Generated Node #0,2,4: 85:[77, 95] Operation: 2+93=95 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 85:[2, 16], Operations: ['52+41=93', '93-77=16'] Exploring Operation: 2+16=18, Resulting Numbers: [18] 18,85 unequal: No Solution Exploring Operation: 16/2=8, Resulting Numbers: [8] 8,85 unequal: No Solution Exploring Operation: 2*16=32, Resulting Numbers: [32] 32,85 unequal: No Solution Exploring Operation: 16-2=14, Resulting Numbers: [14] 14,85 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 #0,2,0 Current State: 85:[93, 79], Operations: ['52+41=93', '77+2=79'] Exploring Operation: 93-79=14, Resulting Numbers: [14] 14,85 unequal: No Solution Exploring Operation: 93*79=7347, Resulting Numbers: [7347] 7347,85 unequal: No Solution Exploring Operation: 93+79=172, Resulting Numbers: [172] 172,85 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 #0,2,3 Current State: 85:[77, 91], Operations: ['52+41=93', '93-2=91'] Exploring Operation: 77+91=168, Resulting Numbers: [168] 168,85 unequal: No Solution Exploring Operation: 77*91=7007, Resulting Numbers: [7007] 7007,85 unequal: No Solution Exploring Operation: 91-77=14, Resulting Numbers: [14] 14,85 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 #0,2,2 Current State: 85:[93, 75], Operations: ['52+41=93', '77-2=75'] Exploring Operation: 93*75=6975, Resulting Numbers: [6975] 6975,85 unequal: No Solution Exploring Operation: 93+75=168, Resulting Numbers: [168] 168,85 unequal: No Solution Exploring Operation: 93-75=18, Resulting Numbers: [18] 18,85 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 #0,2,4 Current State: 85:[77, 95], Operations: ['52+41=93', '2+93=95'] Exploring Operation: 77+95=172, Resulting Numbers: [172] 172,85 unequal: No Solution Exploring Operation: 77*95=7315, Resulting Numbers: [7315] 7315,85 unequal: No Solution Exploring Operation: 95-77=18, Resulting Numbers: [18] 18,85 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: 85:[41, 2, 25], Operations: ['77-52=25'] Exploring Operation: 41+25=66, Resulting Numbers: [2, 66] Generated Node #0,1,0: 85:[2, 66] Operation: 41+25=66 Exploring Operation: 41*2=82, Resulting Numbers: [25, 82] Generated Node #0,1,1: 85:[25, 82] Operation: 41*2=82 Exploring Operation: 25-2=23, Resulting Numbers: [41, 23] Generated Node #0,1,2: 85:[41, 23] Operation: 25-2=23 Exploring Operation: 41-25=16, Resulting Numbers: [2, 16] Generated Node #0,1,3: 85:[2, 16] Operation: 41-25=16 Exploring Operation: 41-2=39, Resulting Numbers: [25, 39] Generated Node #0,1,4: 85:[25, 39] Operation: 41-2=39 Moving to Node #0,3 Current State: 85:[77, 41, 26], Operations: ['52/2=26'] Exploring Operation: 77+26=103, Resulting Numbers: [41, 103] Generated Node #0,3,0: 85:[41, 103] Operation: 77+26=103 Exploring Operation: 77+41=118, Resulting Numbers: [26, 118] Generated Node #0,3,1: 85:[26, 118] Operation: 77+41=118 Exploring Operation: 41+26=67, Resulting Numbers: [77, 67] Generated Node #0,3,2: 85:[77, 67] Operation: 41+26=67 Exploring Operation: 41-26=15, Resulting Numbers: [77, 15] Generated Node #0,3,3: 85:[77, 15] Operation: 41-26=15 Exploring Operation: 77-41=36, Resulting Numbers: [26, 36] Generated Node #0,3,4: 85:[26, 36] Operation: 77-41=36 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 85:[77, 15], Operations: ['52/2=26', '41-26=15'] Exploring Operation: 77*15=1155, Resulting Numbers: [1155] 1155,85 unequal: No Solution Exploring Operation: 77+15=92, Resulting Numbers: [92] 92,85 unequal: No Solution Exploring Operation: 77-15=62, Resulting Numbers: [62] 62,85 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 #0,3,2 Current State: 85:[77, 67], Operations: ['52/2=26', '41+26=67'] Exploring Operation: 77-67=10, Resulting Numbers: [10] 10,85 unequal: No Solution Exploring Operation: 77*67=5159, Resulting Numbers: [5159] 5159,85 unequal: No Solution Exploring Operation: 77+67=144, Resulting Numbers: [144] 144,85 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 #0,3,4 Current State: 85:[26, 36], Operations: ['52/2=26', '77-41=36'] Exploring Operation: 36-26=10, Resulting Numbers: [10] 10,85 unequal: No Solution Exploring Operation: 26*36=936, Resulting Numbers: [936] 936,85 unequal: No Solution Exploring Operation: 26+36=62, Resulting Numbers: [62] 62,85 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 #0,3,0 Current State: 85:[41, 103], Operations: ['52/2=26', '77+26=103'] Exploring Operation: 41+103=144, Resulting Numbers: [144] 144,85 unequal: No Solution Exploring Operation: 103-41=62, Resulting Numbers: [62] 62,85 unequal: No Solution Exploring Operation: 41*103=4223, Resulting Numbers: [4223] 4223,85 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 #0,3,1 Current State: 85:[26, 118], Operations: ['52/2=26', '77+41=118'] Exploring Operation: 118-26=92, Resulting Numbers: [92] 92,85 unequal: No Solution Exploring Operation: 26*118=3068, Resulting Numbers: [3068] 3068,85 unequal: No Solution Exploring Operation: 26+118=144, Resulting Numbers: [144] 144,85 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: 85:[77, 52, 82], Operations: ['41*2=82'] Exploring Operation: 77+52=129, Resulting Numbers: [82, 129] Generated Node #0,4,0: 85:[82, 129] Operation: 77+52=129 Exploring Operation: 77-52=25, Resulting Numbers: [82, 25] Generated Node #0,4,1: 85:[82, 25] Operation: 77-52=25 Exploring Operation: 52+82=134, Resulting Numbers: [77, 134] Generated Node #0,4,2: 85:[77, 134] Operation: 52+82=134 Exploring Operation: 82-77=5, Resulting Numbers: [52, 5] Generated Node #0,4,3: 85:[52, 5] Operation: 82-77=5 Exploring Operation: 82-52=30, Resulting Numbers: [77, 30] Generated Node #0,4,4: 85:[77, 30] Operation: 82-52=30 Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 85:[82, 25], Operations: ['41*2=82', '77-52=25'] Exploring Operation: 82-25=57, Resulting Numbers: [57] 57,85 unequal: No Solution Exploring Operation: 82+25=107, Resulting Numbers: [107] 107,85 unequal: No Solution Exploring Operation: 82*25=2050, Resulting Numbers: [2050] 2050,85 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 #0,4,4 Current State: 85:[77, 30], Operations: ['41*2=82', '82-52=30'] Exploring Operation: 77+30=107, Resulting Numbers: [107] 107,85 unequal: No Solution Exploring Operation: 77-30=47, Resulting Numbers: [47] 47,85 unequal: No Solution Exploring Operation: 77*30=2310, Resulting Numbers: [2310] 2310,85 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 #0,4,3 Current State: 85:[52, 5], Operations: ['41*2=82', '82-77=5'] Exploring Operation: 52*5=260, Resulting Numbers: [260] 260,85 unequal: No Solution Exploring Operation: 52+5=57, Resulting Numbers: [57] 57,85 unequal: No Solution Exploring Operation: 52-5=47, Resulting Numbers: [47] 47,85 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 #0,4,0 Current State: 85:[82, 129], Operations: ['41*2=82', '77+52=129'] Exploring Operation: 129-82=47, Resulting Numbers: [47] 47,85 unequal: No Solution Exploring Operation: 82*129=10578, Resulting Numbers: [10578] 10578,85 unequal: No Solution Exploring Operation: 82+129=211, Resulting Numbers: [211] 211,85 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 #0,4,2 Current State: 85:[77, 134], Operations: ['41*2=82', '52+82=134'] Exploring Operation: 77+134=211, Resulting Numbers: [211] 211,85 unequal: No Solution Exploring Operation: 134-77=57, Resulting Numbers: [57] 57,85 unequal: No Solution Exploring Operation: 77*134=10318, Resulting Numbers: [10318] 10318,85 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1,3 Current State: 85:[2, 16], Operations: ['77-52=25', '41-25=16'] Exploring Operation: 2+16=18, Resulting Numbers: [18] 18,85 unequal: No Solution Exploring Operation: 16-2=14, Resulting Numbers: [14] 14,85 unequal: No Solution Exploring Operation: 16/2=8, Resulting Numbers: [8] 8,85 unequal: No Solution Exploring Operation: 2*16=32, Resulting Numbers: [32] 32,85 unequal: No Solution Moving to Node #0,1,1 Current State: 85:[25, 82], Operations: ['77-52=25', '41*2=82'] Exploring Operation: 25+82=107, Resulting Numbers: [107] 107,85 unequal: No Solution Exploring Operation: 25*82=2050, Resulting Numbers: [2050] 2050,85 unequal: No Solution Exploring Operation: 82-25=57, Resulting Numbers: [57] 57,85 unequal: No Solution Moving to Node #0,1,0 Current State: 85:[2, 66], Operations: ['77-52=25', '41+25=66'] Exploring Operation: 2*66=132, Resulting Numbers: [132] 132,85 unequal: No Solution Exploring Operation: 2+66=68, Resulting Numbers: [68] 68,85 unequal: No Solution Exploring Operation: 66-2=64, Resulting Numbers: [64] 64,85 unequal: No Solution Exploring Operation: 66/2=33, Resulting Numbers: [33] 33,85 unequal: No Solution Moving to Node #0,1,2 Current State: 85:[41, 23], Operations: ['77-52=25', '25-2=23'] Exploring Operation: 41+23=64, Resulting Numbers: [64] 64,85 unequal: No Solution Exploring Operation: 41*23=943, Resulting Numbers: [943] 943,85 unequal: No Solution Exploring Operation: 41-23=18, Resulting Numbers: [18] 18,85 unequal: No Solution Moving to Node #0,1,4 Current State: 85:[25, 39], Operations: ['77-52=25', '41-2=39'] Exploring Operation: 25*39=975, Resulting Numbers: [975] 975,85 unequal: No Solution Exploring Operation: 39-25=14, Resulting Numbers: [14] 14,85 unequal: No Solution Exploring Operation: 25+39=64, Resulting Numbers: [64] 64,85 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 9, 25, 55, 15 ]
70
[ "9*25=225", "225/15=15", "55+15=70" ]
Current State: 70:[9, 25, 55, 15], Operations: [] Exploring Operation: 9*25=225, Resulting Numbers: [55, 15, 225] Generated Node #2: [55, 15, 225] from Operation: 9*25=225 Current State: 70:[55, 15, 225], Operations: ['9*25=225'] Exploring Operation: 225/15=15, Resulting Numbers: [55, 15] Generated Node #3: [55, 15] from Operation: 225/15=15 Current State: 70:[55, 15], Operations: ['9*25=225', '225/15=15'] Exploring Operation: 55+15=70, Resulting Numbers: [70] 70,70 equal: Goal Reached
4
Current State: 70:[9, 25, 55, 15], Operations: [] Exploring Operation: 55-25=30, Resulting Numbers: [9, 15, 30] Generated Node #0,0: 70:[9, 15, 30] Operation: 55-25=30 Moving to Node #0,0 Current State: 70:[9, 15, 30], Operations: ['55-25=30'] Exploring Operation: 30/15=2, Resulting Numbers: [9, 2] Generated Node #0,0,0: 70:[9, 2] Operation: 30/15=2 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 70:[9, 2], Operations: ['55-25=30', '30/15=2'] Exploring Operation: 9-2=7, Resulting Numbers: [7] 7,70 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
[ 34, 16, 28, 27 ]
51
[ "34+16=50", "28-27=1", "50+1=51" ]
Current State: 51:[34, 16, 28, 27], Operations: [] Exploring Operation: 34+16=50, Resulting Numbers: [28, 27, 50] Generated Node #2: [28, 27, 50] from Operation: 34+16=50 Current State: 51:[28, 27, 50], Operations: ['34+16=50'] Exploring Operation: 28-27=1, Resulting Numbers: [50, 1] Generated Node #3: [50, 1] from Operation: 28-27=1 Current State: 51:[50, 1], Operations: ['34+16=50', '28-27=1'] Exploring Operation: 50+1=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[34, 16, 28, 27], Operations: [] Exploring Operation: 34-27=7, Resulting Numbers: [16, 28, 7] Generated Node #0,0: 51:[16, 28, 7] Operation: 34-27=7 Exploring Operation: 28-27=1, Resulting Numbers: [34, 16, 1] Generated Node #0,1: 51:[34, 16, 1] Operation: 28-27=1 Exploring Operation: 34+16=50, Resulting Numbers: [28, 27, 50] Generated Node #0,2: 51:[28, 27, 50] Operation: 34+16=50 Exploring Operation: 34-28=6, Resulting Numbers: [16, 27, 6] Generated Node #0,3: 51:[16, 27, 6] Operation: 34-28=6 Moving to Node #0,3 Current State: 51:[16, 27, 6], Operations: ['34-28=6'] Exploring Operation: 16+6=22, Resulting Numbers: [27, 22] Generated Node #0,3,0: 51:[27, 22] Operation: 16+6=22 Exploring Operation: 16+27=43, Resulting Numbers: [6, 43] Generated Node #0,3,1: 51:[6, 43] Operation: 16+27=43 Exploring Operation: 27-6=21, Resulting Numbers: [16, 21] Generated Node #0,3,2: 51:[16, 21] Operation: 27-6=21 Exploring Operation: 27-16=11, Resulting Numbers: [6, 11] Generated Node #0,3,3: 51:[6, 11] Operation: 27-16=11 Moving to Node #0,0 Current State: 51:[16, 28, 7], Operations: ['34-27=7'] Exploring Operation: 28-7=21, Resulting Numbers: [16, 21] Generated Node #0,0,0: 51:[16, 21] Operation: 28-7=21 Exploring Operation: 28/7=4, Resulting Numbers: [16, 4] Generated Node #0,0,1: 51:[16, 4] Operation: 28/7=4 Exploring Operation: 16+28=44, Resulting Numbers: [7, 44] Generated Node #0,0,2: 51:[7, 44] Operation: 16+28=44 Exploring Operation: 28-16=12, Resulting Numbers: [7, 12] Generated Node #0,0,3: 51:[7, 12] Operation: 28-16=12 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 51:[16, 4], Operations: ['34-27=7', '28/7=4'] Exploring Operation: 16*4=64, Resulting Numbers: [64] 64,51 unequal: No Solution Exploring Operation: 16-4=12, Resulting Numbers: [12] 12,51 unequal: No Solution Exploring Operation: 16/4=4, Resulting Numbers: [4] 4,51 unequal: No Solution Exploring Operation: 16+4=20, Resulting Numbers: [20] 20,51 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 #0,0,0 Current State: 51:[16, 21], Operations: ['34-27=7', '28-7=21'] Exploring Operation: 21-16=5, Resulting Numbers: [5] 5,51 unequal: No Solution Exploring Operation: 16+21=37, Resulting Numbers: [37] 37,51 unequal: No Solution Exploring Operation: 16*21=336, Resulting Numbers: [336] 336,51 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:[7, 12], Operations: ['34-27=7', '28-16=12'] Exploring Operation: 7+12=19, Resulting Numbers: [19] 19,51 unequal: No Solution Exploring Operation: 7*12=84, Resulting Numbers: [84] 84,51 unequal: No Solution Exploring Operation: 12-7=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 #0,0,2 Current State: 51:[7, 44], Operations: ['34-27=7', '16+28=44'] Exploring Operation: 44-7=37, Resulting Numbers: [37] 37,51 unequal: No Solution Exploring Operation: 7*44=308, Resulting Numbers: [308] 308,51 unequal: No Solution Exploring Operation: 7+44=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Moving to Node #0 Current State: 51:[34, 16, 28, 27], Operations: [] Exploring Operation: 34-27=7, Resulting Numbers: [16, 28, 7] Generated Node #0,0: 51:[16, 28, 7] Operation: 34-27=7 Moving to Node #0,0 Current State: 51:[16, 28, 7], Operations: ['34-27=7'] Exploring Operation: 16+28=44, Resulting Numbers: [7, 44] Generated Node #0,0,2: 51:[7, 44] Operation: 16+28=44 Moving to Node #0,0,2 Current State: 51:[7, 44], Operations: ['34-27=7', '16+28=44'] Exploring Operation: 7+44=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Exit Sub Search at level 1
0.974826
hs_4
mult_heuristic
[ 34, 24, 53, 15 ]
12
[ "34*24=816", "53+15=68", "816/68=12" ]
Current State: 12:[34, 24, 53, 15], Operations: [] Exploring Operation: 34*24=816, Resulting Numbers: [53, 15, 816] Generated Node #2: [53, 15, 816] from Operation: 34*24=816 Current State: 12:[53, 15, 816], Operations: ['34*24=816'] Exploring Operation: 53+15=68, Resulting Numbers: [816, 68] Generated Node #3: [816, 68] from Operation: 53+15=68 Current State: 12:[816, 68], Operations: ['34*24=816', '53+15=68'] Exploring Operation: 816/68=12, Resulting Numbers: [12] 12,12 equal: Goal Reached
4
Current State: 12:[34, 24, 53, 15], Operations: [] Exploring Operation: 53-15=38, Resulting Numbers: [34, 24, 38] Generated Node #0,0: 12:[34, 24, 38] Operation: 53-15=38 Exploring Operation: 53-24=29, Resulting Numbers: [34, 15, 29] Generated Node #0,1: 12:[34, 15, 29] Operation: 53-24=29 Exploring Operation: 34-15=19, Resulting Numbers: [24, 53, 19] Generated Node #0,2: 12:[24, 53, 19] Operation: 34-15=19 Exploring Operation: 34-24=10, Resulting Numbers: [53, 15, 10] Generated Node #0,3: 12:[53, 15, 10] Operation: 34-24=10 Exploring Operation: 53-34=19, Resulting Numbers: [24, 15, 19] Generated Node #0,4: 12:[24, 15, 19] Operation: 53-34=19 Moving to Node #0,4 Current State: 12:[24, 15, 19], Operations: ['53-34=19'] Exploring Operation: 24-15=9, Resulting Numbers: [19, 9] Generated Node #0,4,0: 12:[19, 9] Operation: 24-15=9 Exploring Operation: 19-15=4, Resulting Numbers: [24, 4] Generated Node #0,4,1: 12:[24, 4] Operation: 19-15=4 Exploring Operation: 24+15=39, Resulting Numbers: [19, 39] Generated Node #0,4,2: 12:[19, 39] Operation: 24+15=39 Exploring Operation: 24-19=5, Resulting Numbers: [15, 5] Generated Node #0,4,3: 12:[15, 5] Operation: 24-19=5 Exploring Operation: 24+19=43, Resulting Numbers: [15, 43] Generated Node #0,4,4: 12:[15, 43] Operation: 24+19=43 Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 12:[15, 5], Operations: ['53-34=19', '24-19=5'] Exploring Operation: 15-5=10, Resulting Numbers: [10] 10,12 unequal: No Solution Exploring Operation: 15+5=20, Resulting Numbers: [20] 20,12 unequal: No Solution Exploring Operation: 15/5=3, Resulting Numbers: [3] 3,12 unequal: No Solution Exploring Operation: 15*5=75, Resulting Numbers: [75] 75,12 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 12:[19, 9], Operations: ['53-34=19', '24-15=9'] Exploring Operation: 19-9=10, Resulting Numbers: [10] 10,12 unequal: No Solution Exploring Operation: 19+9=28, Resulting Numbers: [28] 28,12 unequal: No Solution Exploring Operation: 19*9=171, Resulting Numbers: [171] 171,12 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 12:[24, 4], Operations: ['53-34=19', '19-15=4'] Exploring Operation: 24-4=20, Resulting Numbers: [20] 20,12 unequal: No Solution Exploring Operation: 24*4=96, Resulting Numbers: [96] 96,12 unequal: No Solution Exploring Operation: 24/4=6, Resulting Numbers: [6] 6,12 unequal: No Solution Exploring Operation: 24+4=28, Resulting Numbers: [28] 28,12 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 12:[19, 39], Operations: ['53-34=19', '24+15=39'] Exploring Operation: 19+39=58, Resulting Numbers: [58] 58,12 unequal: No Solution Exploring Operation: 39-19=20, Resulting Numbers: [20] 20,12 unequal: No Solution Exploring Operation: 19*39=741, Resulting Numbers: [741] 741,12 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 12:[15, 43], Operations: ['53-34=19', '24+19=43'] Exploring Operation: 15+43=58, Resulting Numbers: [58] 58,12 unequal: No Solution Exploring Operation: 15*43=645, Resulting Numbers: [645] 645,12 unequal: No Solution Exploring Operation: 43-15=28, Resulting Numbers: [28] 28,12 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: 12:[34, 15, 29], Operations: ['53-24=29'] Exploring Operation: 29-15=14, Resulting Numbers: [34, 14] Generated Node #0,1,0: 12:[34, 14] Operation: 29-15=14 Exploring Operation: 34-15=19, Resulting Numbers: [29, 19] Generated Node #0,1,1: 12:[29, 19] Operation: 34-15=19 Exploring Operation: 34-29=5, Resulting Numbers: [15, 5] Generated Node #0,1,2: 12:[15, 5] Operation: 34-29=5 Exploring Operation: 34+29=63, Resulting Numbers: [15, 63] Generated Node #0,1,3: 12:[15, 63] Operation: 34+29=63 Exploring Operation: 34+15=49, Resulting Numbers: [29, 49] Generated Node #0,1,4: 12:[29, 49] Operation: 34+15=49 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 12:[15, 5], Operations: ['53-24=29', '34-29=5'] Exploring Operation: 15-5=10, Resulting Numbers: [10] 10,12 unequal: No Solution Exploring Operation: 15+5=20, Resulting Numbers: [20] 20,12 unequal: No Solution Exploring Operation: 15*5=75, Resulting Numbers: [75] 75,12 unequal: No Solution Exploring Operation: 15/5=3, Resulting Numbers: [3] 3,12 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 12:[34, 14], Operations: ['53-24=29', '29-15=14'] Exploring Operation: 34*14=476, Resulting Numbers: [476] 476,12 unequal: No Solution Exploring Operation: 34+14=48, Resulting Numbers: [48] 48,12 unequal: No Solution Exploring Operation: 34-14=20, Resulting Numbers: [20] 20,12 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 12:[29, 19], Operations: ['53-24=29', '34-15=19'] Exploring Operation: 29*19=551, Resulting Numbers: [551] 551,12 unequal: No Solution Exploring Operation: 29-19=10, Resulting Numbers: [10] 10,12 unequal: No Solution Exploring Operation: 29+19=48, Resulting Numbers: [48] 48,12 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 12:[15, 63], Operations: ['53-24=29', '34+29=63'] Exploring Operation: 15*63=945, Resulting Numbers: [945] 945,12 unequal: No Solution Exploring Operation: 63-15=48, Resulting Numbers: [48] 48,12 unequal: No Solution Exploring Operation: 15+63=78, Resulting Numbers: [78] 78,12 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 12:[29, 49], Operations: ['53-24=29', '34+15=49'] Exploring Operation: 29*49=1421, Resulting Numbers: [1421] 1421,12 unequal: No Solution Exploring Operation: 49-29=20, Resulting Numbers: [20] 20,12 unequal: No Solution Exploring Operation: 29+49=78, Resulting Numbers: [78] 78,12 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: 12:[53, 15, 10], Operations: ['34-24=10'] Exploring Operation: 53-10=43, Resulting Numbers: [15, 43] Generated Node #0,3,0: 12:[15, 43] Operation: 53-10=43 Exploring Operation: 15-10=5, Resulting Numbers: [53, 5] Generated Node #0,3,1: 12:[53, 5] Operation: 15-10=5 Exploring Operation: 53-15=38, Resulting Numbers: [10, 38] Generated Node #0,3,2: 12:[10, 38] Operation: 53-15=38 Exploring Operation: 15+10=25, Resulting Numbers: [53, 25] Generated Node #0,3,3: 12:[53, 25] Operation: 15+10=25 Exploring Operation: 53+10=63, Resulting Numbers: [15, 63] Generated Node #0,3,4: 12:[15, 63] Operation: 53+10=63 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 12:[10, 38], Operations: ['34-24=10', '53-15=38'] Exploring Operation: 38-10=28, Resulting Numbers: [28] 28,12 unequal: No Solution Exploring Operation: 10+38=48, Resulting Numbers: [48] 48,12 unequal: No Solution Exploring Operation: 10*38=380, Resulting Numbers: [380] 380,12 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 12:[15, 43], Operations: ['34-24=10', '53-10=43'] Exploring Operation: 43-15=28, Resulting Numbers: [28] 28,12 unequal: No Solution Exploring Operation: 15*43=645, Resulting Numbers: [645] 645,12 unequal: No Solution Exploring Operation: 15+43=58, Resulting Numbers: [58] 58,12 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 12:[53, 5], Operations: ['34-24=10', '15-10=5'] Exploring Operation: 53*5=265, Resulting Numbers: [265] 265,12 unequal: No Solution Exploring Operation: 53-5=48, Resulting Numbers: [48] 48,12 unequal: No Solution Exploring Operation: 53+5=58, Resulting Numbers: [58] 58,12 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 12:[53, 25], Operations: ['34-24=10', '15+10=25'] Exploring Operation: 53*25=1325, Resulting Numbers: [1325] 1325,12 unequal: No Solution Exploring Operation: 53-25=28, Resulting Numbers: [28] 28,12 unequal: No Solution Exploring Operation: 53+25=78, Resulting Numbers: [78] 78,12 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 12:[15, 63], Operations: ['34-24=10', '53+10=63'] Exploring Operation: 15*63=945, Resulting Numbers: [945] 945,12 unequal: No Solution Exploring Operation: 15+63=78, Resulting Numbers: [78] 78,12 unequal: No Solution Exploring Operation: 63-15=48, Resulting Numbers: [48] 48,12 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: 12:[34, 24, 38], Operations: ['53-15=38'] Exploring Operation: 34+24=58, Resulting Numbers: [38, 58] Generated Node #0,0,0: 12:[38, 58] Operation: 34+24=58 Exploring Operation: 34+38=72, Resulting Numbers: [24, 72] Generated Node #0,0,1: 12:[24, 72] Operation: 34+38=72 Exploring Operation: 38-24=14, Resulting Numbers: [34, 14] Generated Node #0,0,2: 12:[34, 14] Operation: 38-24=14 Exploring Operation: 34-24=10, Resulting Numbers: [38, 10] Generated Node #0,0,3: 12:[38, 10] Operation: 34-24=10 Exploring Operation: 38-34=4, Resulting Numbers: [24, 4] Generated Node #0,0,4: 12:[24, 4] Operation: 38-34=4 Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 12:[24, 4], Operations: ['53-15=38', '38-34=4'] Exploring Operation: 24*4=96, Resulting Numbers: [96] 96,12 unequal: No Solution Exploring Operation: 24+4=28, Resulting Numbers: [28] 28,12 unequal: No Solution Exploring Operation: 24-4=20, Resulting Numbers: [20] 20,12 unequal: No Solution Exploring Operation: 24/4=6, Resulting Numbers: [6] 6,12 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 12:[34, 14], Operations: ['53-15=38', '38-24=14'] Exploring Operation: 34*14=476, Resulting Numbers: [476] 476,12 unequal: No Solution Exploring Operation: 34-14=20, Resulting Numbers: [20] 20,12 unequal: No Solution Exploring Operation: 34+14=48, Resulting Numbers: [48] 48,12 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 12:[38, 10], Operations: ['53-15=38', '34-24=10'] Exploring Operation: 38-10=28, Resulting Numbers: [28] 28,12 unequal: No Solution Exploring Operation: 38*10=380, Resulting Numbers: [380] 380,12 unequal: No Solution Exploring Operation: 38+10=48, Resulting Numbers: [48] 48,12 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 12:[38, 58], Operations: ['53-15=38', '34+24=58'] Exploring Operation: 38+58=96, Resulting Numbers: [96] 96,12 unequal: No Solution Exploring Operation: 58-38=20, Resulting Numbers: [20] 20,12 unequal: No Solution Exploring Operation: 38*58=2204, Resulting Numbers: [2204] 2204,12 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 12:[24, 72], Operations: ['53-15=38', '34+38=72'] Exploring Operation: 72/24=3, Resulting Numbers: [3] 3,12 unequal: No Solution Exploring Operation: 24+72=96, Resulting Numbers: [96] 96,12 unequal: No Solution Exploring Operation: 72-24=48, Resulting Numbers: [48] 48,12 unequal: No Solution Exploring Operation: 24*72=1728, Resulting Numbers: [1728] 1728,12 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 12:[24, 53, 19], Operations: ['34-15=19'] Exploring Operation: 53-19=34, Resulting Numbers: [24, 34] Generated Node #0,2,0: 12:[24, 34] Operation: 53-19=34 Exploring Operation: 24+19=43, Resulting Numbers: [53, 43] Generated Node #0,2,1: 12:[53, 43] Operation: 24+19=43 Exploring Operation: 53-24=29, Resulting Numbers: [19, 29] Generated Node #0,2,2: 12:[19, 29] Operation: 53-24=29 Exploring Operation: 24-19=5, Resulting Numbers: [53, 5] Generated Node #0,2,3: 12:[53, 5] Operation: 24-19=5 Exploring Operation: 24+53=77, Resulting Numbers: [19, 77] Generated Node #0,2,4: 12:[19, 77] Operation: 24+53=77 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 12:[19, 29], Operations: ['34-15=19', '53-24=29'] Exploring Operation: 19+29=48, Resulting Numbers: [48] 48,12 unequal: No Solution Exploring Operation: 29-19=10, Resulting Numbers: [10] 10,12 unequal: No Solution Exploring Operation: 19*29=551, Resulting Numbers: [551] 551,12 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 12:[24, 34], Operations: ['34-15=19', '53-19=34'] Exploring Operation: 34-24=10, Resulting Numbers: [10] 10,12 unequal: No Solution Exploring Operation: 24+34=58, Resulting Numbers: [58] 58,12 unequal: No Solution Exploring Operation: 24*34=816, Resulting Numbers: [816] 816,12 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 12:[53, 5], Operations: ['34-15=19', '24-19=5'] Exploring Operation: 53-5=48, Resulting Numbers: [48] 48,12 unequal: No Solution Exploring Operation: 53*5=265, Resulting Numbers: [265] 265,12 unequal: No Solution Exploring Operation: 53+5=58, Resulting Numbers: [58] 58,12 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 12:[53, 43], Operations: ['34-15=19', '24+19=43'] Exploring Operation: 53+43=96, Resulting Numbers: [96] 96,12 unequal: No Solution Exploring Operation: 53*43=2279, Resulting Numbers: [2279] 2279,12 unequal: No Solution Exploring Operation: 53-43=10, Resulting Numbers: [10] 10,12 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 12:[19, 77], Operations: ['34-15=19', '24+53=77'] Exploring Operation: 77-19=58, Resulting Numbers: [58] 58,12 unequal: No Solution Exploring Operation: 19*77=1463, Resulting Numbers: [1463] 1463,12 unequal: No Solution Exploring Operation: 19+77=96, Resulting Numbers: [96] 96,12 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
sum_heuristic
[ 61, 85, 13, 15 ]
73
[ "61+85=146", "15-13=2", "146/2=73" ]
Current State: 73:[61, 85, 13, 15], Operations: [] Exploring Operation: 61+85=146, Resulting Numbers: [13, 15, 146] Generated Node #2: [13, 15, 146] from Operation: 61+85=146 Current State: 73:[13, 15, 146], Operations: ['61+85=146'] Exploring Operation: 15-13=2, Resulting Numbers: [146, 2] Generated Node #3: [146, 2] from Operation: 15-13=2 Current State: 73:[146, 2], Operations: ['61+85=146', '15-13=2'] Exploring Operation: 146/2=73, Resulting Numbers: [73] 73,73 equal: Goal Reached
4
Current State: 73:[61, 85, 13, 15], Operations: [] Exploring Operation: 61+13=74, Resulting Numbers: [85, 15, 74] Generated Node #0,0: 73:[85, 15, 74] Operation: 61+13=74 Exploring Operation: 13+15=28, Resulting Numbers: [61, 85, 28] Generated Node #0,1: 73:[61, 85, 28] Operation: 13+15=28 Exploring Operation: 85-13=72, Resulting Numbers: [61, 15, 72] Generated Node #0,2: 73:[61, 15, 72] Operation: 85-13=72 Exploring Operation: 61+15=76, Resulting Numbers: [85, 13, 76] Generated Node #0,3: 73:[85, 13, 76] Operation: 61+15=76 Moving to Node #0,1 Current State: 73:[61, 85, 28], Operations: ['13+15=28'] Exploring Operation: 85-28=57, Resulting Numbers: [61, 57] Generated Node #0,1,0: 73:[61, 57] Operation: 85-28=57 Exploring Operation: 85+28=113, Resulting Numbers: [61, 113] Generated Node #0,1,1: 73:[61, 113] Operation: 85+28=113 Exploring Operation: 61+28=89, Resulting Numbers: [85, 89] Generated Node #0,1,2: 73:[85, 89] Operation: 61+28=89 Exploring Operation: 61-28=33, Resulting Numbers: [85, 33] Generated Node #0,1,3: 73:[85, 33] Operation: 61-28=33 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 73:[61, 57], Operations: ['13+15=28', '85-28=57'] Exploring Operation: 61+57=118, Resulting Numbers: [118] 118,73 unequal: No Solution Exploring Operation: 61*57=3477, Resulting Numbers: [3477] 3477,73 unequal: No Solution Exploring Operation: 61-57=4, Resulting Numbers: [4] 4,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 73:[85, 89], Operations: ['13+15=28', '61+28=89'] Exploring Operation: 85*89=7565, Resulting Numbers: [7565] 7565,73 unequal: No Solution Exploring Operation: 85+89=174, Resulting Numbers: [174] 174,73 unequal: No Solution Exploring Operation: 89-85=4, Resulting Numbers: [4] 4,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 73:[61, 113], Operations: ['13+15=28', '85+28=113'] Exploring Operation: 61+113=174, Resulting Numbers: [174] 174,73 unequal: No Solution Exploring Operation: 113-61=52, Resulting Numbers: [52] 52,73 unequal: No Solution Exploring Operation: 61*113=6893, Resulting Numbers: [6893] 6893,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 73:[85, 33], Operations: ['13+15=28', '61-28=33'] Exploring Operation: 85*33=2805, Resulting Numbers: [2805] 2805,73 unequal: No Solution Exploring Operation: 85+33=118, Resulting Numbers: [118] 118,73 unequal: No Solution Exploring Operation: 85-33=52, Resulting Numbers: [52] 52,73 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: 73:[61, 15, 72], Operations: ['85-13=72'] Exploring Operation: 61+15=76, Resulting Numbers: [72, 76] Generated Node #0,2,0: 73:[72, 76] Operation: 61+15=76 Exploring Operation: 72-15=57, Resulting Numbers: [61, 57] Generated Node #0,2,1: 73:[61, 57] Operation: 72-15=57 Exploring Operation: 61-15=46, Resulting Numbers: [72, 46] Generated Node #0,2,2: 73:[72, 46] Operation: 61-15=46 Exploring Operation: 15+72=87, Resulting Numbers: [61, 87] Generated Node #0,2,3: 73:[61, 87] Operation: 15+72=87 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 73:[72, 76], Operations: ['85-13=72', '61+15=76'] Exploring Operation: 72*76=5472, Resulting Numbers: [5472] 5472,73 unequal: No Solution Exploring Operation: 72+76=148, Resulting Numbers: [148] 148,73 unequal: No Solution Exploring Operation: 76-72=4, Resulting Numbers: [4] 4,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 73:[61, 87], Operations: ['85-13=72', '15+72=87'] Exploring Operation: 87-61=26, Resulting Numbers: [26] 26,73 unequal: No Solution Exploring Operation: 61+87=148, Resulting Numbers: [148] 148,73 unequal: No Solution Exploring Operation: 61*87=5307, Resulting Numbers: [5307] 5307,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 73:[61, 57], Operations: ['85-13=72', '72-15=57'] Exploring Operation: 61+57=118, Resulting Numbers: [118] 118,73 unequal: No Solution Exploring Operation: 61*57=3477, Resulting Numbers: [3477] 3477,73 unequal: No Solution Exploring Operation: 61-57=4, Resulting Numbers: [4] 4,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 73:[72, 46], Operations: ['85-13=72', '61-15=46'] Exploring Operation: 72*46=3312, Resulting Numbers: [3312] 3312,73 unequal: No Solution Exploring Operation: 72+46=118, Resulting Numbers: [118] 118,73 unequal: No Solution Exploring Operation: 72-46=26, Resulting Numbers: [26] 26,73 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: 73:[85, 15, 74], Operations: ['61+13=74'] Exploring Operation: 15+74=89, Resulting Numbers: [85, 89] Generated Node #0,0,0: 73:[85, 89] Operation: 15+74=89 Exploring Operation: 85-15=70, Resulting Numbers: [74, 70] Generated Node #0,0,1: 73:[74, 70] Operation: 85-15=70 Exploring Operation: 85+15=100, Resulting Numbers: [74, 100] Generated Node #0,0,2: 73:[74, 100] Operation: 85+15=100 Exploring Operation: 74-15=59, Resulting Numbers: [85, 59] Generated Node #0,0,3: 73:[85, 59] Operation: 74-15=59 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 73:[74, 70], Operations: ['61+13=74', '85-15=70'] Exploring Operation: 74*70=5180, Resulting Numbers: [5180] 5180,73 unequal: No Solution Exploring Operation: 74-70=4, Resulting Numbers: [4] 4,73 unequal: No Solution Exploring Operation: 74+70=144, Resulting Numbers: [144] 144,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 73:[85, 59], Operations: ['61+13=74', '74-15=59'] Exploring Operation: 85-59=26, Resulting Numbers: [26] 26,73 unequal: No Solution Exploring Operation: 85*59=5015, Resulting Numbers: [5015] 5015,73 unequal: No Solution Exploring Operation: 85+59=144, Resulting Numbers: [144] 144,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 73:[85, 89], Operations: ['61+13=74', '15+74=89'] Exploring Operation: 85+89=174, Resulting Numbers: [174] 174,73 unequal: No Solution Exploring Operation: 85*89=7565, Resulting Numbers: [7565] 7565,73 unequal: No Solution Exploring Operation: 89-85=4, Resulting Numbers: [4] 4,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 73:[74, 100], Operations: ['61+13=74', '85+15=100'] Exploring Operation: 100-74=26, Resulting Numbers: [26] 26,73 unequal: No Solution Exploring Operation: 74*100=7400, Resulting Numbers: [7400] 7400,73 unequal: No Solution Exploring Operation: 74+100=174, Resulting Numbers: [174] 174,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3 Current State: 73:[85, 13, 76], Operations: ['61+15=76'] Exploring Operation: 13+76=89, Resulting Numbers: [85, 89] Generated Node #0,3,0: 73:[85, 89] Operation: 13+76=89 Exploring Operation: 85+13=98, Resulting Numbers: [76, 98] Generated Node #0,3,1: 73:[76, 98] Operation: 85+13=98 Exploring Operation: 85-13=72, Resulting Numbers: [76, 72] Generated Node #0,3,2: 73:[76, 72] Operation: 85-13=72 Exploring Operation: 76-13=63, Resulting Numbers: [85, 63] Generated Node #0,3,3: 73:[85, 63] Operation: 76-13=63 Moving to Node #0,3,2 Current State: 73:[76, 72], Operations: ['61+15=76', '85-13=72'] Exploring Operation: 76*72=5472, Resulting Numbers: [5472] 5472,73 unequal: No Solution Exploring Operation: 76-72=4, Resulting Numbers: [4] 4,73 unequal: No Solution Exploring Operation: 76+72=148, Resulting Numbers: [148] 148,73 unequal: No Solution Moving to Node #0,3,3 Current State: 73:[85, 63], Operations: ['61+15=76', '76-13=63'] Exploring Operation: 85+63=148, Resulting Numbers: [148] 148,73 unequal: No Solution Exploring Operation: 85-63=22, Resulting Numbers: [22] 22,73 unequal: No Solution Exploring Operation: 85*63=5355, Resulting Numbers: [5355] 5355,73 unequal: No Solution Moving to Node #0,3,1 Current State: 73:[76, 98], Operations: ['61+15=76', '85+13=98'] Exploring Operation: 76+98=174, Resulting Numbers: [174] 174,73 unequal: No Solution Exploring Operation: 76*98=7448, Resulting Numbers: [7448] 7448,73 unequal: No Solution Exploring Operation: 98-76=22, Resulting Numbers: [22] 22,73 unequal: No Solution Moving to Node #0,3,0 Current State: 73:[85, 89], Operations: ['61+15=76', '13+76=89'] Exploring Operation: 85+89=174, Resulting Numbers: [174] 174,73 unequal: No Solution Exploring Operation: 85*89=7565, Resulting Numbers: [7565] 7565,73 unequal: No Solution Exploring Operation: 89-85=4, Resulting Numbers: [4] 4,73 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 81, 73, 33, 70 ]
76
[ "81-70=11", "33/11=3", "73+3=76" ]
Current State: 76:[81, 73, 33, 70], Operations: [] Exploring Operation: 81-70=11, Resulting Numbers: [73, 33, 11] Generated Node #2: [73, 33, 11] from Operation: 81-70=11 Current State: 76:[73, 33, 11], Operations: ['81-70=11'] Exploring Operation: 33/11=3, Resulting Numbers: [73, 3] Generated Node #3: [73, 3] from Operation: 33/11=3 Current State: 76:[73, 3], Operations: ['81-70=11', '33/11=3'] Exploring Operation: 73+3=76, Resulting Numbers: [76] 76,76 equal: Goal Reached
4
Current State: 76:[81, 73, 33, 70], Operations: [] Exploring Operation: 73-33=40, Resulting Numbers: [81, 70, 40] Generated Node #0,0: 76:[81, 70, 40] Operation: 73-33=40 Exploring Operation: 81-73=8, Resulting Numbers: [33, 70, 8] Generated Node #0,1: 76:[33, 70, 8] Operation: 81-73=8 Exploring Operation: 70-33=37, Resulting Numbers: [81, 73, 37] Generated Node #0,2: 76:[81, 73, 37] Operation: 70-33=37 Exploring Operation: 73-70=3, Resulting Numbers: [81, 33, 3] Generated Node #0,3: 76:[81, 33, 3] Operation: 73-70=3 Exploring Operation: 81-70=11, Resulting Numbers: [73, 33, 11] Generated Node #0,4: 76:[73, 33, 11] Operation: 81-70=11 Moving to Node #0,2 Current State: 76:[81, 73, 37], Operations: ['70-33=37'] Exploring Operation: 81+37=118, Resulting Numbers: [73, 118] Generated Node #0,2,0: 76:[73, 118] Operation: 81+37=118 Exploring Operation: 73-37=36, Resulting Numbers: [81, 36] Generated Node #0,2,1: 76:[81, 36] Operation: 73-37=36 Exploring Operation: 73+37=110, Resulting Numbers: [81, 110] Generated Node #0,2,2: 76:[81, 110] Operation: 73+37=110 Exploring Operation: 81-73=8, Resulting Numbers: [37, 8] Generated Node #0,2,3: 76:[37, 8] Operation: 81-73=8 Exploring Operation: 81-37=44, Resulting Numbers: [73, 44] Generated Node #0,2,4: 76:[73, 44] Operation: 81-37=44 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 76:[37, 8], Operations: ['70-33=37', '81-73=8'] Exploring Operation: 37-8=29, Resulting Numbers: [29] 29,76 unequal: No Solution Exploring Operation: 37*8=296, Resulting Numbers: [296] 296,76 unequal: No Solution Exploring Operation: 37+8=45, Resulting Numbers: [45] 45,76 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 76:[81, 36], Operations: ['70-33=37', '73-37=36'] Exploring Operation: 81+36=117, Resulting Numbers: [117] 117,76 unequal: No Solution Exploring Operation: 81*36=2916, Resulting Numbers: [2916] 2916,76 unequal: No Solution Exploring Operation: 81-36=45, Resulting Numbers: [45] 45,76 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 76:[73, 44], Operations: ['70-33=37', '81-37=44'] Exploring Operation: 73-44=29, Resulting Numbers: [29] 29,76 unequal: No Solution Exploring Operation: 73*44=3212, Resulting Numbers: [3212] 3212,76 unequal: No Solution Exploring Operation: 73+44=117, Resulting Numbers: [117] 117,76 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 76:[81, 110], Operations: ['70-33=37', '73+37=110'] Exploring Operation: 81+110=191, Resulting Numbers: [191] 191,76 unequal: No Solution Exploring Operation: 81*110=8910, Resulting Numbers: [8910] 8910,76 unequal: No Solution Exploring Operation: 110-81=29, Resulting Numbers: [29] 29,76 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 76:[73, 118], Operations: ['70-33=37', '81+37=118'] Exploring Operation: 73*118=8614, Resulting Numbers: [8614] 8614,76 unequal: No Solution Exploring Operation: 118-73=45, Resulting Numbers: [45] 45,76 unequal: No Solution Exploring Operation: 73+118=191, Resulting Numbers: [191] 191,76 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: 76:[81, 33, 3], Operations: ['73-70=3'] Exploring Operation: 81-33=48, Resulting Numbers: [3, 48] Generated Node #0,3,0: 76:[3, 48] Operation: 81-33=48 Exploring Operation: 33/3=11, Resulting Numbers: [81, 11] Generated Node #0,3,1: 76:[81, 11] Operation: 33/3=11 Exploring Operation: 33+3=36, Resulting Numbers: [81, 36] Generated Node #0,3,2: 76:[81, 36] Operation: 33+3=36 Exploring Operation: 81+3=84, Resulting Numbers: [33, 84] Generated Node #0,3,3: 76:[33, 84] Operation: 81+3=84 Exploring Operation: 81-3=78, Resulting Numbers: [33, 78] Generated Node #0,3,4: 76:[33, 78] Operation: 81-3=78 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 76:[81, 36], Operations: ['73-70=3', '33+3=36'] Exploring Operation: 81*36=2916, Resulting Numbers: [2916] 2916,76 unequal: No Solution Exploring Operation: 81-36=45, Resulting Numbers: [45] 45,76 unequal: No Solution Exploring Operation: 81+36=117, Resulting Numbers: [117] 117,76 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 76:[33, 78], Operations: ['73-70=3', '81-3=78'] Exploring Operation: 33*78=2574, Resulting Numbers: [2574] 2574,76 unequal: No Solution Exploring Operation: 33+78=111, Resulting Numbers: [111] 111,76 unequal: No Solution Exploring Operation: 78-33=45, Resulting Numbers: [45] 45,76 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 76:[3, 48], Operations: ['73-70=3', '81-33=48'] Exploring Operation: 48/3=16, Resulting Numbers: [16] 16,76 unequal: No Solution Exploring Operation: 48-3=45, Resulting Numbers: [45] 45,76 unequal: No Solution Exploring Operation: 3+48=51, Resulting Numbers: [51] 51,76 unequal: No Solution Exploring Operation: 3*48=144, Resulting Numbers: [144] 144,76 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 76:[81, 11], Operations: ['73-70=3', '33/3=11'] Exploring Operation: 81+11=92, Resulting Numbers: [92] 92,76 unequal: No Solution Exploring Operation: 81-11=70, Resulting Numbers: [70] 70,76 unequal: No Solution Exploring Operation: 81*11=891, Resulting Numbers: [891] 891,76 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 76:[33, 84], Operations: ['73-70=3', '81+3=84'] Exploring Operation: 33*84=2772, Resulting Numbers: [2772] 2772,76 unequal: No Solution Exploring Operation: 84-33=51, Resulting Numbers: [51] 51,76 unequal: No Solution Exploring Operation: 33+84=117, Resulting Numbers: [117] 117,76 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 76:[81, 70, 40], Operations: ['73-33=40'] Exploring Operation: 70+40=110, Resulting Numbers: [81, 110] Generated Node #0,0,0: 76:[81, 110] Operation: 70+40=110 Exploring Operation: 81+40=121, Resulting Numbers: [70, 121] Generated Node #0,0,1: 76:[70, 121] Operation: 81+40=121 Exploring Operation: 70-40=30, Resulting Numbers: [81, 30] Generated Node #0,0,2: 76:[81, 30] Operation: 70-40=30 Exploring Operation: 81-40=41, Resulting Numbers: [70, 41] Generated Node #0,0,3: 76:[70, 41] Operation: 81-40=41 Exploring Operation: 81-70=11, Resulting Numbers: [40, 11] Generated Node #0,0,4: 76:[40, 11] Operation: 81-70=11 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 76:[70, 41], Operations: ['73-33=40', '81-40=41'] Exploring Operation: 70*41=2870, Resulting Numbers: [2870] 2870,76 unequal: No Solution Exploring Operation: 70+41=111, Resulting Numbers: [111] 111,76 unequal: No Solution Exploring Operation: 70-41=29, Resulting Numbers: [29] 29,76 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 76:[40, 11], Operations: ['73-33=40', '81-70=11'] Exploring Operation: 40-11=29, Resulting Numbers: [29] 29,76 unequal: No Solution Exploring Operation: 40*11=440, Resulting Numbers: [440] 440,76 unequal: No Solution Exploring Operation: 40+11=51, Resulting Numbers: [51] 51,76 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 76:[81, 30], Operations: ['73-33=40', '70-40=30'] Exploring Operation: 81*30=2430, Resulting Numbers: [2430] 2430,76 unequal: No Solution Exploring Operation: 81+30=111, Resulting Numbers: [111] 111,76 unequal: No Solution Exploring Operation: 81-30=51, Resulting Numbers: [51] 51,76 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 76:[81, 110], Operations: ['73-33=40', '70+40=110'] Exploring Operation: 81*110=8910, Resulting Numbers: [8910] 8910,76 unequal: No Solution Exploring Operation: 110-81=29, Resulting Numbers: [29] 29,76 unequal: No Solution Exploring Operation: 81+110=191, Resulting Numbers: [191] 191,76 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 76:[70, 121], Operations: ['73-33=40', '81+40=121'] Exploring Operation: 70*121=8470, Resulting Numbers: [8470] 8470,76 unequal: No Solution Exploring Operation: 121-70=51, Resulting Numbers: [51] 51,76 unequal: No Solution Exploring Operation: 70+121=191, Resulting Numbers: [191] 191,76 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 76:[33, 70, 8], Operations: ['81-73=8'] Exploring Operation: 33-8=25, Resulting Numbers: [70, 25] Generated Node #0,1,0: 76:[70, 25] Operation: 33-8=25 Exploring Operation: 33+8=41, Resulting Numbers: [70, 41] Generated Node #0,1,1: 76:[70, 41] Operation: 33+8=41 Exploring Operation: 70-8=62, Resulting Numbers: [33, 62] Generated Node #0,1,2: 76:[33, 62] Operation: 70-8=62 Exploring Operation: 70+8=78, Resulting Numbers: [33, 78] Generated Node #0,1,3: 76:[33, 78] Operation: 70+8=78 Exploring Operation: 70-33=37, Resulting Numbers: [8, 37] Generated Node #0,1,4: 76:[8, 37] Operation: 70-33=37 Moving to Node #0,4 Current State: 76:[73, 33, 11], Operations: ['81-70=11'] Exploring Operation: 33/11=3, Resulting Numbers: [73, 3] Generated Node #0,4,0: 76:[73, 3] Operation: 33/11=3 Exploring Operation: 73-33=40, Resulting Numbers: [11, 40] Generated Node #0,4,1: 76:[11, 40] Operation: 73-33=40 Exploring Operation: 73+11=84, Resulting Numbers: [33, 84] Generated Node #0,4,2: 76:[33, 84] Operation: 73+11=84 Exploring Operation: 33-11=22, Resulting Numbers: [73, 22] Generated Node #0,4,3: 76:[73, 22] Operation: 33-11=22 Exploring Operation: 33+11=44, Resulting Numbers: [73, 44] Generated Node #0,4,4: 76:[73, 44] Operation: 33+11=44 Moving to Node #0,4,0 Current State: 76:[73, 3], Operations: ['81-70=11', '33/11=3'] Exploring Operation: 73*3=219, Resulting Numbers: [219] 219,76 unequal: No Solution Exploring Operation: 73-3=70, Resulting Numbers: [70] 70,76 unequal: No Solution Exploring Operation: 73+3=76, Resulting Numbers: [76] 76,76 equal: Goal Reached Moving to Node #0 Current State: 76:[81, 73, 33, 70], Operations: [] Exploring Operation: 81-70=11, Resulting Numbers: [73, 33, 11] Generated Node #0,4: 76:[73, 33, 11] Operation: 81-70=11 Moving to Node #0,4 Current State: 76:[73, 33, 11], Operations: ['81-70=11'] Exploring Operation: 33/11=3, Resulting Numbers: [73, 3] Generated Node #0,4,0: 76:[73, 3] Operation: 33/11=3 Moving to Node #0,4,0 Current State: 76:[73, 3], Operations: ['81-70=11', '33/11=3'] Exploring Operation: 73+3=76, Resulting Numbers: [76] 76,76 equal: Goal Reached
0.927951
hs_5
mult_heuristic
[ 14, 54, 20, 65 ]
63
[ "54-14=40", "40/20=2", "65-2=63" ]
Current State: 63:[14, 54, 20, 65], Operations: [] Exploring Operation: 54-14=40, Resulting Numbers: [20, 65, 40] Generated Node #2: [20, 65, 40] from Operation: 54-14=40 Current State: 63:[20, 65, 40], Operations: ['54-14=40'] Exploring Operation: 40/20=2, Resulting Numbers: [65, 2] Generated Node #3: [65, 2] from Operation: 40/20=2 Current State: 63:[65, 2], Operations: ['54-14=40', '40/20=2'] Exploring Operation: 65-2=63, Resulting Numbers: [63] 63,63 equal: Goal Reached
4
Current State: 63:[14, 54, 20, 65], Operations: [] Exploring Operation: 65-54=11, Resulting Numbers: [14, 20, 11] Generated Node #0,0: 63:[14, 20, 11] Operation: 65-54=11 Exploring Operation: 14+54=68, Resulting Numbers: [20, 65, 68] Generated Node #0,1: 63:[20, 65, 68] Operation: 14+54=68 Start Sub Search at level 1: Moving to Node #0,0 Current State: 63:[14, 20, 11], Operations: ['65-54=11'] Exploring Operation: 14-11=3, Resulting Numbers: [20, 3] Generated Node #0,0,0: 63:[20, 3] Operation: 14-11=3 Exploring Operation: 20-14=6, Resulting Numbers: [11, 6] Generated Node #0,0,1: 63:[11, 6] Operation: 20-14=6 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 63:[20, 3], Operations: ['65-54=11', '14-11=3'] Exploring Operation: 20+3=23, Resulting Numbers: [23] 23,63 unequal: No Solution Exploring Operation: 20*3=60, Resulting Numbers: [60] 60,63 unequal: No Solution No 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: 63:[11, 6], Operations: ['65-54=11', '20-14=6'] Exploring Operation: 11-6=5, Resulting Numbers: [5] 5,63 unequal: No Solution Exploring Operation: 11*6=66, Resulting Numbers: [66] 66,63 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: 63:[20, 65, 68], Operations: ['14+54=68'] Exploring Operation: 68-20=48, Resulting Numbers: [65, 48] Generated Node #0,1,0: 63:[65, 48] Operation: 68-20=48 Exploring Operation: 68-65=3, Resulting Numbers: [20, 3] Generated Node #0,1,1: 63:[20, 3] Operation: 68-65=3 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 63:[20, 3], Operations: ['14+54=68', '68-65=3'] Exploring Operation: 20+3=23, Resulting Numbers: [23] 23,63 unequal: No Solution Exploring Operation: 20*3=60, Resulting Numbers: [60] 60,63 unequal: No Solution No 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: 63:[65, 48], Operations: ['14+54=68', '68-20=48'] Exploring Operation: 65-48=17, Resulting Numbers: [17] 17,63 unequal: No Solution Exploring Operation: 65+48=113, Resulting Numbers: [113] 113,63 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
[ 81, 99, 44, 9 ]
85
[ "99/9=11", "44/11=4", "81+4=85" ]
Current State: 85:[81, 99, 44, 9], Operations: [] Exploring Operation: 99/9=11, Resulting Numbers: [81, 44, 11] Generated Node #2: [81, 44, 11] from Operation: 99/9=11 Current State: 85:[81, 44, 11], Operations: ['99/9=11'] Exploring Operation: 44/11=4, Resulting Numbers: [81, 4] Generated Node #3: [81, 4] from Operation: 44/11=4 Current State: 85:[81, 4], Operations: ['99/9=11', '44/11=4'] Exploring Operation: 81+4=85, Resulting Numbers: [85] 85,85 equal: Goal Reached
4
Current State: 85:[81, 99, 44, 9], Operations: [] Exploring Operation: 99-81=18, Resulting Numbers: [44, 9, 18] Generated Node #0,0: 85:[44, 9, 18] Operation: 99-81=18 Exploring Operation: 99-9=90, Resulting Numbers: [81, 44, 90] Generated Node #0,1: 85:[81, 44, 90] Operation: 99-9=90 Exploring Operation: 44-9=35, Resulting Numbers: [81, 99, 35] Generated Node #0,2: 85:[81, 99, 35] Operation: 44-9=35 Exploring Operation: 99/9=11, Resulting Numbers: [81, 44, 11] Generated Node #0,3: 85:[81, 44, 11] Operation: 99/9=11 Moving to Node #0,0 Current State: 85:[44, 9, 18], Operations: ['99-81=18'] Exploring Operation: 44-18=26, Resulting Numbers: [9, 26] Generated Node #0,0,0: 85:[9, 26] Operation: 44-18=26 Exploring Operation: 44-9=35, Resulting Numbers: [18, 35] Generated Node #0,0,1: 85:[18, 35] Operation: 44-9=35 Exploring Operation: 18/9=2, Resulting Numbers: [44, 2] Generated Node #0,0,2: 85:[44, 2] Operation: 18/9=2 Exploring Operation: 44+18=62, Resulting Numbers: [9, 62] Generated Node #0,0,3: 85:[9, 62] Operation: 44+18=62 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 85:[9, 26], Operations: ['99-81=18', '44-18=26'] Exploring Operation: 26-9=17, Resulting Numbers: [17] 17,85 unequal: No Solution Exploring Operation: 9*26=234, Resulting Numbers: [234] 234,85 unequal: No Solution Exploring Operation: 9+26=35, Resulting Numbers: [35] 35,85 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 #0,0,1 Current State: 85:[18, 35], Operations: ['99-81=18', '44-9=35'] Exploring Operation: 18+35=53, Resulting Numbers: [53] 53,85 unequal: No Solution Exploring Operation: 35-18=17, Resulting Numbers: [17] 17,85 unequal: No Solution Exploring Operation: 18*35=630, Resulting Numbers: [630] 630,85 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 #0,0,3 Current State: 85:[9, 62], Operations: ['99-81=18', '44+18=62'] Exploring Operation: 62-9=53, Resulting Numbers: [53] 53,85 unequal: No Solution Exploring Operation: 9*62=558, Resulting Numbers: [558] 558,85 unequal: No Solution Exploring Operation: 9+62=71, Resulting Numbers: [71] 71,85 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 #0,0,2 Current State: 85:[44, 2], Operations: ['99-81=18', '18/9=2'] Exploring Operation: 44/2=22, Resulting Numbers: [22] 22,85 unequal: No Solution Exploring Operation: 44*2=88, Resulting Numbers: [88] 88,85 unequal: No Solution Exploring Operation: 44+2=46, Resulting Numbers: [46] 46,85 unequal: No Solution Exploring Operation: 44-2=42, Resulting Numbers: [42] 42,85 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:[81, 99, 35], Operations: ['44-9=35'] Exploring Operation: 99-81=18, Resulting Numbers: [35, 18] Generated Node #0,2,0: 85:[35, 18] Operation: 99-81=18 Exploring Operation: 99-35=64, Resulting Numbers: [81, 64] Generated Node #0,2,1: 85:[81, 64] Operation: 99-35=64 Exploring Operation: 81+35=116, Resulting Numbers: [99, 116] Generated Node #0,2,2: 85:[99, 116] Operation: 81+35=116 Exploring Operation: 81-35=46, Resulting Numbers: [99, 46] Generated Node #0,2,3: 85:[99, 46] Operation: 81-35=46 Moving to Node #0,1 Current State: 85:[81, 44, 90], Operations: ['99-9=90'] Exploring Operation: 81-44=37, Resulting Numbers: [90, 37] Generated Node #0,1,0: 85:[90, 37] Operation: 81-44=37 Exploring Operation: 81+44=125, Resulting Numbers: [90, 125] Generated Node #0,1,1: 85:[90, 125] Operation: 81+44=125 Exploring Operation: 90-81=9, Resulting Numbers: [44, 9] Generated Node #0,1,2: 85:[44, 9] Operation: 90-81=9 Exploring Operation: 90-44=46, Resulting Numbers: [81, 46] Generated Node #0,1,3: 85:[81, 46] Operation: 90-44=46 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 85:[90, 37], Operations: ['99-9=90', '81-44=37'] Exploring Operation: 90*37=3330, Resulting Numbers: [3330] 3330,85 unequal: No Solution Exploring Operation: 90-37=53, Resulting Numbers: [53] 53,85 unequal: No Solution Exploring Operation: 90+37=127, Resulting Numbers: [127] 127,85 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:[44, 9], Operations: ['99-9=90', '90-81=9'] Exploring Operation: 44+9=53, Resulting Numbers: [53] 53,85 unequal: No Solution Exploring Operation: 44-9=35, Resulting Numbers: [35] 35,85 unequal: No Solution Exploring Operation: 44*9=396, Resulting Numbers: [396] 396,85 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:[81, 46], Operations: ['99-9=90', '90-44=46'] Exploring Operation: 81+46=127, Resulting Numbers: [127] 127,85 unequal: No Solution Exploring Operation: 81-46=35, Resulting Numbers: [35] 35,85 unequal: No Solution Exploring Operation: 81*46=3726, Resulting Numbers: [3726] 3726,85 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:[90, 125], Operations: ['99-9=90', '81+44=125'] Exploring Operation: 90*125=11250, Resulting Numbers: [11250] 11250,85 unequal: No Solution Exploring Operation: 90+125=215, Resulting Numbers: [215] 215,85 unequal: No Solution Exploring Operation: 125-90=35, Resulting Numbers: [35] 35,85 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: 85:[81, 44, 11], Operations: ['99/9=11'] Exploring Operation: 44/11=4, Resulting Numbers: [81, 4] Generated Node #0,3,0: 85:[81, 4] Operation: 44/11=4 Exploring Operation: 81-44=37, Resulting Numbers: [11, 37] Generated Node #0,3,1: 85:[11, 37] Operation: 81-44=37 Exploring Operation: 81+11=92, Resulting Numbers: [44, 92] Generated Node #0,3,2: 85:[44, 92] Operation: 81+11=92 Exploring Operation: 44-11=33, Resulting Numbers: [81, 33] Generated Node #0,3,3: 85:[81, 33] Operation: 44-11=33 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 85:[81, 4], Operations: ['99/9=11', '44/11=4'] Exploring Operation: 81-4=77, Resulting Numbers: [77] 77,85 unequal: No Solution Exploring Operation: 81*4=324, Resulting Numbers: [324] 324,85 unequal: No Solution Exploring Operation: 81+4=85, Resulting Numbers: [85] 85,85 equal: Goal Reached Moving to Node #0 Current State: 85:[81, 99, 44, 9], Operations: [] Exploring Operation: 99/9=11, Resulting Numbers: [81, 44, 11] Generated Node #0,3: 85:[81, 44, 11] Operation: 99/9=11 Moving to Node #0,3 Current State: 85:[81, 44, 11], Operations: ['99/9=11'] Exploring Operation: 44/11=4, Resulting Numbers: [81, 4] Generated Node #0,3,0: 85:[81, 4] Operation: 44/11=4 Moving to Node #0,3,0 Current State: 85:[81, 4], Operations: ['99/9=11', '44/11=4'] Exploring Operation: 81+4=85, Resulting Numbers: [85] 85,85 equal: Goal Reached Exit Sub Search at level 1
0.954861
hs_4
sum_heuristic
[ 39, 2, 6, 20 ]
93
[ "2+20=22", "6*22=132", "132-39=93" ]
Current State: 93:[39, 2, 6, 20], Operations: [] Exploring Operation: 2+20=22, Resulting Numbers: [39, 6, 22] Generated Node #2: [39, 6, 22] from Operation: 2+20=22 Current State: 93:[39, 6, 22], Operations: ['2+20=22'] Exploring Operation: 6*22=132, Resulting Numbers: [39, 132] Generated Node #3: [39, 132] from Operation: 6*22=132 Current State: 93:[39, 132], Operations: ['2+20=22', '6*22=132'] Exploring Operation: 132-39=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
4
Current State: 93:[39, 2, 6, 20], Operations: [] Exploring Operation: 39-6=33, Resulting Numbers: [2, 20, 33] Generated Node #0,0: 93:[2, 20, 33] Operation: 39-6=33 Moving to Node #0,0 Current State: 93:[2, 20, 33], Operations: ['39-6=33'] Exploring Operation: 20/2=10, Resulting Numbers: [33, 10] Generated Node #0,0,0: 93:[33, 10] Operation: 20/2=10 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 93:[33, 10], Operations: ['39-6=33', '20/2=10'] Exploring Operation: 33-10=23, Resulting Numbers: [23] 23,93 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
[ 67, 54, 11, 17 ]
58
[ "17-11=6", "54/6=9", "67-9=58" ]
Current State: 58:[67, 54, 11, 17], Operations: [] Exploring Operation: 17-11=6, Resulting Numbers: [67, 54, 6] Generated Node #2: [67, 54, 6] from Operation: 17-11=6 Current State: 58:[67, 54, 6], Operations: ['17-11=6'] Exploring Operation: 54/6=9, Resulting Numbers: [67, 9] Generated Node #3: [67, 9] from Operation: 54/6=9 Current State: 58:[67, 9], Operations: ['17-11=6', '54/6=9'] Exploring Operation: 67-9=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[67, 54, 11, 17], Operations: [] Exploring Operation: 11+17=28, Resulting Numbers: [67, 54, 28] Generated Node #0,0: 58:[67, 54, 28] Operation: 11+17=28 Exploring Operation: 17-11=6, Resulting Numbers: [67, 54, 6] Generated Node #0,1: 58:[67, 54, 6] Operation: 17-11=6 Moving to Node #0,0 Current State: 58:[67, 54, 28], Operations: ['11+17=28'] Exploring Operation: 54-28=26, Resulting Numbers: [67, 26] Generated Node #0,0,0: 58:[67, 26] Operation: 54-28=26 Exploring Operation: 67-54=13, Resulting Numbers: [28, 13] Generated Node #0,0,1: 58:[28, 13] Operation: 67-54=13 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 58:[67, 26], Operations: ['11+17=28', '54-28=26'] Exploring Operation: 67+26=93, Resulting Numbers: [93] 93,58 unequal: No Solution Exploring Operation: 67-26=41, Resulting Numbers: [41] 41,58 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:[28, 13], Operations: ['11+17=28', '67-54=13'] Exploring Operation: 28+13=41, Resulting Numbers: [41] 41,58 unequal: No Solution Exploring Operation: 28-13=15, Resulting Numbers: [15] 15,58 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:[67, 54, 6], Operations: ['17-11=6'] Exploring Operation: 54+6=60, Resulting Numbers: [67, 60] Generated Node #0,1,0: 58:[67, 60] Operation: 54+6=60 Exploring Operation: 67-6=61, Resulting Numbers: [54, 61] Generated Node #0,1,1: 58:[54, 61] Operation: 67-6=61 Moving to Node #0,1,1 Current State: 58:[54, 61], Operations: ['17-11=6', '67-6=61'] Exploring Operation: 61-54=7, Resulting Numbers: [7] 7,58 unequal: No Solution Exploring Operation: 54+61=115, Resulting Numbers: [115] 115,58 unequal: No Solution Moving to Node #0,1,0 Current State: 58:[67, 60], Operations: ['17-11=6', '54+6=60'] Exploring Operation: 67-60=7, Resulting Numbers: [7] 7,58 unequal: No Solution Exploring Operation: 67+60=127, Resulting Numbers: [127] 127,58 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 22, 73, 72, 61 ]
40
[ "73-22=51", "72-61=11", "51-11=40" ]
Current State: 40:[22, 73, 72, 61], Operations: [] Exploring Operation: 73-22=51, Resulting Numbers: [72, 61, 51] Generated Node #2: [72, 61, 51] from Operation: 73-22=51 Current State: 40:[72, 61, 51], Operations: ['73-22=51'] Exploring Operation: 72-61=11, Resulting Numbers: [51, 11] Generated Node #3: [51, 11] from Operation: 72-61=11 Current State: 40:[51, 11], Operations: ['73-22=51', '72-61=11'] Exploring Operation: 51-11=40, Resulting Numbers: [40] 40,40 equal: Goal Reached
4
Current State: 40:[22, 73, 72, 61], Operations: [] Exploring Operation: 73-61=12, Resulting Numbers: [22, 72, 12] Generated Node #0,0: 40:[22, 72, 12] Operation: 73-61=12 Exploring Operation: 73-72=1, Resulting Numbers: [22, 61, 1] Generated Node #0,1: 40:[22, 61, 1] Operation: 73-72=1 Exploring Operation: 72-61=11, Resulting Numbers: [22, 73, 11] Generated Node #0,2: 40:[22, 73, 11] Operation: 72-61=11 Exploring Operation: 73-22=51, Resulting Numbers: [72, 61, 51] Generated Node #0,3: 40:[72, 61, 51] Operation: 73-22=51 Start Sub Search at level 1: Moving to Node #0,1 Current State: 40:[22, 61, 1], Operations: ['73-72=1'] Exploring Operation: 61-22=39, Resulting Numbers: [1, 39] Generated Node #0,1,0: 40:[1, 39] Operation: 61-22=39 Exploring Operation: 22*1=22, Resulting Numbers: [61, 22] Generated Node #0,1,1: 40:[61, 22] Operation: 22*1=22 Exploring Operation: 22-1=21, Resulting Numbers: [61, 21] Generated Node #0,1,2: 40:[61, 21] Operation: 22-1=21 Exploring Operation: 61-1=60, Resulting Numbers: [22, 60] Generated Node #0,1,3: 40:[22, 60] Operation: 61-1=60 Moving to Node #0,1,0 Current State: 40:[1, 39], Operations: ['73-72=1', '61-22=39'] Exploring Operation: 39-1=38, Resulting Numbers: [38] 38,40 unequal: No Solution Exploring Operation: 1+39=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Moving to Node #0 Current State: 40:[22, 73, 72, 61], Operations: [] Exploring Operation: 73-72=1, Resulting Numbers: [22, 61, 1] Generated Node #0,1: 40:[22, 61, 1] Operation: 73-72=1 Moving to Node #0,1 Current State: 40:[22, 61, 1], Operations: ['73-72=1'] Exploring Operation: 61-22=39, Resulting Numbers: [1, 39] Generated Node #0,1,0: 40:[1, 39] Operation: 61-22=39 Moving to Node #0,1,0 Current State: 40:[1, 39], Operations: ['73-72=1', '61-22=39'] Exploring Operation: 1+39=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_4
mult_heuristic
[ 26, 92, 9, 18 ]
64
[ "92-26=66", "18/9=2", "66-2=64" ]
Current State: 64:[26, 92, 9, 18], Operations: [] Exploring Operation: 92-26=66, Resulting Numbers: [9, 18, 66] Generated Node #2: [9, 18, 66] from Operation: 92-26=66 Current State: 64:[9, 18, 66], Operations: ['92-26=66'] Exploring Operation: 18/9=2, Resulting Numbers: [66, 2] Generated Node #3: [66, 2] from Operation: 18/9=2 Current State: 64:[66, 2], Operations: ['92-26=66', '18/9=2'] Exploring Operation: 66-2=64, Resulting Numbers: [64] 64,64 equal: Goal Reached
4
Current State: 64:[26, 92, 9, 18], Operations: [] Exploring Operation: 92-26=66, Resulting Numbers: [9, 18, 66] Generated Node #0,0: 64:[9, 18, 66] Operation: 92-26=66 Start Sub Search at level 1: Moving to Node #0,0 Current State: 64:[9, 18, 66], Operations: ['92-26=66'] Exploring Operation: 18/9=2, Resulting Numbers: [66, 2] Generated Node #0,0,0: 64:[66, 2] Operation: 18/9=2 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 64:[66, 2], Operations: ['92-26=66', '18/9=2'] Exploring Operation: 66-2=64, Resulting Numbers: [64] 64,64 equal: Goal Reached Moving to Node #0 Current State: 64:[26, 92, 9, 18], Operations: [] Exploring Operation: 92-26=66, Resulting Numbers: [9, 18, 66] Generated Node #0,0: 64:[9, 18, 66] Operation: 92-26=66 Moving to Node #0,0 Current State: 64:[9, 18, 66], Operations: ['92-26=66'] Exploring Operation: 18/9=2, Resulting Numbers: [66, 2] Generated Node #0,0,0: 64:[66, 2] Operation: 18/9=2 Moving to Node #0,0,0 Current State: 64:[66, 2], Operations: ['92-26=66', '18/9=2'] Exploring Operation: 66-2=64, Resulting Numbers: [64] 64,64 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 16, 49, 53, 68 ]
64
[ "53-49=4", "16/4=4", "68-4=64" ]
Current State: 64:[16, 49, 53, 68], Operations: [] Exploring Operation: 53-49=4, Resulting Numbers: [16, 68, 4] Generated Node #2: [16, 68, 4] from Operation: 53-49=4 Current State: 64:[16, 68, 4], Operations: ['53-49=4'] Exploring Operation: 16/4=4, Resulting Numbers: [68, 4] Generated Node #3: [68, 4] from Operation: 16/4=4 Current State: 64:[68, 4], Operations: ['53-49=4', '16/4=4'] Exploring Operation: 68-4=64, Resulting Numbers: [64] 64,64 equal: Goal Reached
4
Current State: 64:[16, 49, 53, 68], Operations: [] Exploring Operation: 53-49=4, Resulting Numbers: [16, 68, 4] Generated Node #0,0: 64:[16, 68, 4] Operation: 53-49=4 Exploring Operation: 68-49=19, Resulting Numbers: [16, 53, 19] Generated Node #0,1: 64:[16, 53, 19] Operation: 68-49=19 Exploring Operation: 16+49=65, Resulting Numbers: [53, 68, 65] Generated Node #0,2: 64:[53, 68, 65] Operation: 16+49=65 Start Sub Search at level 1: Moving to Node #0,0 Current State: 64:[16, 68, 4], Operations: ['53-49=4'] Exploring Operation: 68/4=17, Resulting Numbers: [16, 17] Generated Node #0,0,0: 64:[16, 17] Operation: 68/4=17 Exploring Operation: 68-4=64, Resulting Numbers: [16, 64] Generated Node #0,0,1: 64:[16, 64] Operation: 68-4=64 Exploring Operation: 16*4=64, Resulting Numbers: [68, 64] Generated Node #0,0,2: 64:[68, 64] Operation: 16*4=64 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 64:[16, 64], Operations: ['53-49=4', '68-4=64'] Exploring Operation: 64-16=48, Resulting Numbers: [48] 48,64 unequal: No Solution Exploring Operation: 16+64=80, Resulting Numbers: [80] 80,64 unequal: No Solution Exploring Operation: 64/16=4, Resulting Numbers: [4] 4,64 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 #0,0,0 Current State: 64:[16, 17], Operations: ['53-49=4', '68/4=17'] Exploring Operation: 16*17=272, Resulting Numbers: [272] 272,64 unequal: No Solution Exploring Operation: 16+17=33, Resulting Numbers: [33] 33,64 unequal: No Solution Exploring Operation: 17-16=1, Resulting Numbers: [1] 1,64 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 #0,0,2 Current State: 64:[68, 64], Operations: ['53-49=4', '16*4=64'] Exploring Operation: 68-64=4, Resulting Numbers: [4] 4,64 unequal: No Solution Exploring Operation: 68+64=132, Resulting Numbers: [132] 132,64 unequal: No Solution Exploring Operation: 68*64=4352, Resulting Numbers: [4352] 4352,64 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 Start Sub Search at level 1: Moving to Node #0,1 Current State: 64:[16, 53, 19], Operations: ['68-49=19'] Exploring Operation: 53-16=37, Resulting Numbers: [19, 37] Generated Node #0,1,0: 64:[19, 37] Operation: 53-16=37 Exploring Operation: 16+53=69, Resulting Numbers: [19, 69] Generated Node #0,1,1: 64:[19, 69] Operation: 16+53=69 Exploring Operation: 53-19=34, Resulting Numbers: [16, 34] Generated Node #0,1,2: 64:[16, 34] Operation: 53-19=34 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 64:[16, 34], Operations: ['68-49=19', '53-19=34'] 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 Exploring Operation: 16*34=544, Resulting Numbers: [544] 544,64 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 #0,1,0 Current State: 64:[19, 37], Operations: ['68-49=19', '53-16=37'] Exploring Operation: 37-19=18, Resulting Numbers: [18] 18,64 unequal: No Solution Exploring Operation: 19+37=56, Resulting Numbers: [56] 56,64 unequal: No Solution Exploring Operation: 19*37=703, Resulting Numbers: [703] 703,64 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 #0,1,1 Current State: 64:[19, 69], Operations: ['68-49=19', '16+53=69'] Exploring Operation: 19+69=88, Resulting Numbers: [88] 88,64 unequal: No Solution Exploring Operation: 19*69=1311, Resulting Numbers: [1311] 1311,64 unequal: No Solution Exploring Operation: 69-19=50, Resulting Numbers: [50] 50,64 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 Start Sub Search at level 1: Moving to Node #0,2 Current State: 64:[53, 68, 65], Operations: ['16+49=65'] Exploring Operation: 68-53=15, Resulting Numbers: [65, 15] Generated Node #0,2,0: 64:[65, 15] Operation: 68-53=15 Exploring Operation: 65-53=12, Resulting Numbers: [68, 12] Generated Node #0,2,1: 64:[68, 12] Operation: 65-53=12 Exploring Operation: 68-65=3, Resulting Numbers: [53, 3] Generated Node #0,2,2: 64:[53, 3] Operation: 68-65=3 Moving to Node #0,2,0 Current State: 64:[65, 15], Operations: ['16+49=65', '68-53=15'] Exploring Operation: 65-15=50, Resulting Numbers: [50] 50,64 unequal: No Solution Exploring Operation: 65+15=80, Resulting Numbers: [80] 80,64 unequal: No Solution Exploring Operation: 65*15=975, Resulting Numbers: [975] 975,64 unequal: No Solution Moving to Node #0,2,1 Current State: 64:[68, 12], Operations: ['16+49=65', '65-53=12'] Exploring Operation: 68+12=80, Resulting Numbers: [80] 80,64 unequal: No Solution Exploring Operation: 68*12=816, Resulting Numbers: [816] 816,64 unequal: No Solution Exploring Operation: 68-12=56, Resulting Numbers: [56] 56,64 unequal: No Solution Moving to Node #0,2,2 Current State: 64:[53, 3], Operations: ['16+49=65', '68-65=3'] Exploring Operation: 53+3=56, Resulting Numbers: [56] 56,64 unequal: No Solution Exploring Operation: 53*3=159, Resulting Numbers: [159] 159,64 unequal: No Solution Exploring Operation: 53-3=50, Resulting Numbers: [50] 50,64 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
[ 67, 36, 35, 24 ]
91
[ "67+24=91", "36-35=1", "91*1=91" ]
Current State: 91:[67, 36, 35, 24], Operations: [] Exploring Operation: 67+24=91, Resulting Numbers: [36, 35, 91] Generated Node #2: [36, 35, 91] from Operation: 67+24=91 Current State: 91:[36, 35, 91], Operations: ['67+24=91'] Exploring Operation: 36-35=1, Resulting Numbers: [91, 1] Generated Node #3: [91, 1] from Operation: 36-35=1 Current State: 91:[91, 1], Operations: ['67+24=91', '36-35=1'] Exploring Operation: 91*1=91, Resulting Numbers: [91] 91,91 equal: Goal Reached
4
Current State: 91:[67, 36, 35, 24], Operations: [] Exploring Operation: 67+35=102, Resulting Numbers: [36, 24, 102] Generated Node #0,0: 91:[36, 24, 102] Operation: 67+35=102 Exploring Operation: 67+36=103, Resulting Numbers: [35, 24, 103] Generated Node #0,1: 91:[35, 24, 103] Operation: 67+36=103 Exploring Operation: 36-35=1, Resulting Numbers: [67, 24, 1] Generated Node #0,2: 91:[67, 24, 1] Operation: 36-35=1 Exploring Operation: 67+24=91, Resulting Numbers: [36, 35, 91] Generated Node #0,3: 91:[36, 35, 91] Operation: 67+24=91 Start Sub Search at level 1: Moving to Node #0,2 Current State: 91:[67, 24, 1], Operations: ['36-35=1'] Exploring Operation: 67*1=67, Resulting Numbers: [24, 67] Generated Node #0,2,0: 91:[24, 67] Operation: 67*1=67 Exploring Operation: 67+1=68, Resulting Numbers: [24, 68] Generated Node #0,2,1: 91:[24, 68] Operation: 67+1=68 Exploring Operation: 67+24=91, Resulting Numbers: [1, 91] Generated Node #0,2,2: 91:[1, 91] Operation: 67+24=91 Exploring Operation: 24-1=23, Resulting Numbers: [67, 23] Generated Node #0,2,3: 91:[67, 23] Operation: 24-1=23 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 91:[1, 91], Operations: ['36-35=1', '67+24=91'] Exploring Operation: 1+91=92, Resulting Numbers: [92] 92,91 unequal: No Solution Exploring Operation: 1*91=91, Resulting Numbers: [91] 91,91 equal: Goal Reached Moving to Node #0 Current State: 91:[67, 36, 35, 24], Operations: [] Exploring Operation: 36-35=1, Resulting Numbers: [67, 24, 1] Generated Node #0,2: 91:[67, 24, 1] Operation: 36-35=1 Moving to Node #0,2 Current State: 91:[67, 24, 1], Operations: ['36-35=1'] Exploring Operation: 67+24=91, Resulting Numbers: [1, 91] Generated Node #0,2,2: 91:[1, 91] Operation: 67+24=91 Moving to Node #0,2,2 Current State: 91:[1, 91], Operations: ['36-35=1', '67+24=91'] Exploring Operation: 1*91=91, Resulting Numbers: [91] 91,91 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.987847
hs_4
mult_heuristic
[ 51, 59, 2, 42 ]
92
[ "59-51=8", "2*42=84", "8+84=92" ]
Current State: 92:[51, 59, 2, 42], Operations: [] Exploring Operation: 59-51=8, Resulting Numbers: [2, 42, 8] Generated Node #2: [2, 42, 8] from Operation: 59-51=8 Current State: 92:[2, 42, 8], Operations: ['59-51=8'] Exploring Operation: 2*42=84, Resulting Numbers: [8, 84] Generated Node #3: [8, 84] from Operation: 2*42=84 Current State: 92:[8, 84], Operations: ['59-51=8', '2*42=84'] Exploring Operation: 8+84=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
4
Current State: 92:[51, 59, 2, 42], Operations: [] Exploring Operation: 59-42=17, Resulting Numbers: [51, 2, 17] Generated Node #0,0: 92:[51, 2, 17] Operation: 59-42=17 Exploring Operation: 59-51=8, Resulting Numbers: [2, 42, 8] Generated Node #0,1: 92:[2, 42, 8] Operation: 59-51=8 Exploring Operation: 51+42=93, Resulting Numbers: [59, 2, 93] Generated Node #0,2: 92:[59, 2, 93] Operation: 51+42=93 Start Sub Search at level 1: Moving to Node #0,1 Current State: 92:[2, 42, 8], Operations: ['59-51=8'] Exploring Operation: 8/2=4, Resulting Numbers: [42, 4] Generated Node #0,1,0: 92:[42, 4] Operation: 8/2=4 Exploring Operation: 2+42=44, Resulting Numbers: [8, 44] Generated Node #0,1,1: 92:[8, 44] Operation: 2+42=44 Exploring Operation: 42+8=50, Resulting Numbers: [2, 50] Generated Node #0,1,2: 92:[2, 50] Operation: 42+8=50 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 92:[42, 4], Operations: ['59-51=8', '8/2=4'] Exploring Operation: 42*4=168, Resulting Numbers: [168] 168,92 unequal: No Solution Exploring Operation: 42-4=38, Resulting Numbers: [38] 38,92 unequal: No Solution Exploring Operation: 42+4=46, Resulting Numbers: [46] 46,92 unequal: No Solution No 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: 92:[2, 50], Operations: ['59-51=8', '42+8=50'] Exploring Operation: 50/2=25, Resulting Numbers: [25] 25,92 unequal: No Solution Exploring Operation: 50-2=48, Resulting Numbers: [48] 48,92 unequal: No Solution Exploring Operation: 2+50=52, Resulting Numbers: [52] 52,92 unequal: No Solution No 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: 92:[8, 44], Operations: ['59-51=8', '2+42=44'] Exploring Operation: 8+44=52, Resulting Numbers: [52] 52,92 unequal: No Solution Exploring Operation: 8*44=352, Resulting Numbers: [352] 352,92 unequal: No Solution Exploring Operation: 44-8=36, Resulting Numbers: [36] 36,92 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: 92:[51, 2, 17], Operations: ['59-42=17'] Exploring Operation: 51/17=3, Resulting Numbers: [2, 3] Generated Node #0,0,0: 92:[2, 3] Operation: 51/17=3 Exploring Operation: 51-2=49, Resulting Numbers: [17, 49] Generated Node #0,0,1: 92:[17, 49] Operation: 51-2=49 Exploring Operation: 2+17=19, Resulting Numbers: [51, 19] Generated Node #0,0,2: 92:[51, 19] Operation: 2+17=19 Moving to Node #0,0,0 Current State: 92:[2, 3], Operations: ['59-42=17', '51/17=3'] Exploring Operation: 2*3=6, Resulting Numbers: [6] 6,92 unequal: No Solution Exploring Operation: 3-2=1, Resulting Numbers: [1] 1,92 unequal: No Solution Exploring Operation: 2+3=5, Resulting Numbers: [5] 5,92 unequal: No Solution Moving to Node #0,0,1 Current State: 92:[17, 49], Operations: ['59-42=17', '51-2=49'] Exploring Operation: 49-17=32, Resulting Numbers: [32] 32,92 unequal: No Solution Exploring Operation: 17+49=66, Resulting Numbers: [66] 66,92 unequal: No Solution Exploring Operation: 17*49=833, Resulting Numbers: [833] 833,92 unequal: No Solution Moving to Node #0,0,2 Current State: 92:[51, 19], Operations: ['59-42=17', '2+17=19'] Exploring Operation: 51+19=70, Resulting Numbers: [70] 70,92 unequal: No Solution Exploring Operation: 51*19=969, Resulting Numbers: [969] 969,92 unequal: No Solution Exploring Operation: 51-19=32, Resulting Numbers: [32] 32,92 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 #0,2 Current State: 92:[59, 2, 93], Operations: ['51+42=93'] Exploring Operation: 93-2=91, Resulting Numbers: [59, 91] Generated Node #0,2,0: 92:[59, 91] Operation: 93-2=91 Exploring Operation: 93-59=34, Resulting Numbers: [2, 34] Generated Node #0,2,1: 92:[2, 34] Operation: 93-59=34 Exploring Operation: 59-2=57, Resulting Numbers: [93, 57] Generated Node #0,2,2: 92:[93, 57] Operation: 59-2=57 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 92:[2, 34], Operations: ['51+42=93', '93-59=34'] Exploring Operation: 34/2=17, Resulting Numbers: [17] 17,92 unequal: No Solution Exploring Operation: 34-2=32, Resulting Numbers: [32] 32,92 unequal: No Solution Exploring Operation: 2+34=36, Resulting Numbers: [36] 36,92 unequal: No Solution No 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: 92:[93, 57], Operations: ['51+42=93', '59-2=57'] Exploring Operation: 93+57=150, Resulting Numbers: [150] 150,92 unequal: No Solution Exploring Operation: 93*57=5301, Resulting Numbers: [5301] 5301,92 unequal: No Solution Exploring Operation: 93-57=36, Resulting Numbers: [36] 36,92 unequal: No Solution No 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: 92:[59, 91], Operations: ['51+42=93', '93-2=91'] Exploring Operation: 91-59=32, Resulting Numbers: [32] 32,92 unequal: No Solution Exploring Operation: 59*91=5369, Resulting Numbers: [5369] 5369,92 unequal: No Solution Exploring Operation: 59+91=150, Resulting Numbers: [150] 150,92 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
mult_heuristic
[ 58, 94, 95, 89 ]
39
[ "94-89=5", "95/5=19", "58-19=39" ]
Current State: 39:[58, 94, 95, 89], Operations: [] Exploring Operation: 94-89=5, Resulting Numbers: [58, 95, 5] Generated Node #2: [58, 95, 5] from Operation: 94-89=5 Current State: 39:[58, 95, 5], Operations: ['94-89=5'] Exploring Operation: 95/5=19, Resulting Numbers: [58, 19] Generated Node #3: [58, 19] from Operation: 95/5=19 Current State: 39:[58, 19], Operations: ['94-89=5', '95/5=19'] Exploring Operation: 58-19=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
4
Current State: 39:[58, 94, 95, 89], Operations: [] Exploring Operation: 94-89=5, Resulting Numbers: [58, 95, 5] Generated Node #0,0: 39:[58, 95, 5] Operation: 94-89=5 Exploring Operation: 95-94=1, Resulting Numbers: [58, 89, 1] Generated Node #0,1: 39:[58, 89, 1] Operation: 95-94=1 Moving to Node #0,1 Current State: 39:[58, 89, 1], Operations: ['95-94=1'] Exploring Operation: 89-58=31, Resulting Numbers: [1, 31] Generated Node #0,1,0: 39:[1, 31] Operation: 89-58=31 Exploring Operation: 58-1=57, Resulting Numbers: [89, 57] Generated Node #0,1,1: 39:[89, 57] Operation: 58-1=57 Moving to Node #0,0 Current State: 39:[58, 95, 5], Operations: ['94-89=5'] Exploring Operation: 95-58=37, Resulting Numbers: [5, 37] Generated Node #0,0,0: 39:[5, 37] Operation: 95-58=37 Exploring Operation: 95/5=19, Resulting Numbers: [58, 19] Generated Node #0,0,1: 39:[58, 19] Operation: 95/5=19 Moving to Node #0,0,0 Current State: 39:[5, 37], Operations: ['94-89=5', '95-58=37'] Exploring Operation: 37-5=32, Resulting Numbers: [32] 32,39 unequal: No Solution Exploring Operation: 5+37=42, Resulting Numbers: [42] 42,39 unequal: No Solution Moving to Node #0,1,0 Current State: 39:[1, 31], Operations: ['95-94=1', '89-58=31'] Exploring Operation: 1+31=32, Resulting Numbers: [32] 32,39 unequal: No Solution Exploring Operation: 1*31=31, Resulting Numbers: [31] 31,39 unequal: No Solution Moving to Node #0,0,1 Current State: 39:[58, 19], Operations: ['94-89=5', '95/5=19'] Exploring Operation: 58+19=77, Resulting Numbers: [77] 77,39 unequal: No Solution Exploring Operation: 58-19=39, Resulting Numbers: [39] 39,39 equal: Goal Reached Moving to Node #0 Current State: 39:[58, 94, 95, 89], Operations: [] Exploring Operation: 94-89=5, Resulting Numbers: [58, 95, 5] Generated Node #0,0: 39:[58, 95, 5] Operation: 94-89=5 Moving to Node #0,0 Current State: 39:[58, 95, 5], Operations: ['94-89=5'] Exploring Operation: 95/5=19, Resulting Numbers: [58, 19] Generated Node #0,0,1: 39:[58, 19] Operation: 95/5=19 Moving to Node #0,0,1 Current State: 39:[58, 19], Operations: ['94-89=5', '95/5=19'] Exploring Operation: 58-19=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
0.986111
hs_2
sum_heuristic
[ 88, 55, 85, 40 ]
45
[ "88-85=3", "55-40=15", "3*15=45" ]
Current State: 45:[88, 55, 85, 40], Operations: [] Exploring Operation: 88-85=3, Resulting Numbers: [55, 40, 3] Generated Node #2: [55, 40, 3] from Operation: 88-85=3 Current State: 45:[55, 40, 3], Operations: ['88-85=3'] Exploring Operation: 55-40=15, Resulting Numbers: [3, 15] Generated Node #3: [3, 15] from Operation: 55-40=15 Current State: 45:[3, 15], Operations: ['88-85=3', '55-40=15'] Exploring Operation: 3*15=45, Resulting Numbers: [45] 45,45 equal: Goal Reached
4
Current State: 45:[88, 55, 85, 40], Operations: [] Exploring Operation: 88-85=3, Resulting Numbers: [55, 40, 3] Generated Node #0,0: 45:[55, 40, 3] Operation: 88-85=3 Moving to Node #0,0 Current State: 45:[55, 40, 3], Operations: ['88-85=3'] Exploring Operation: 55-40=15, Resulting Numbers: [3, 15] Generated Node #0,0,0: 45:[3, 15] Operation: 55-40=15 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 45:[3, 15], Operations: ['88-85=3', '55-40=15'] Exploring Operation: 3*15=45, Resulting Numbers: [45] 45,45 equal: Goal Reached Moving to Node #0 Current State: 45:[88, 55, 85, 40], Operations: [] Exploring Operation: 88-85=3, Resulting Numbers: [55, 40, 3] Generated Node #0,0: 45:[55, 40, 3] Operation: 88-85=3 Moving to Node #0,0 Current State: 45:[55, 40, 3], Operations: ['88-85=3'] Exploring Operation: 55-40=15, Resulting Numbers: [3, 15] Generated Node #0,0,0: 45:[3, 15] Operation: 55-40=15 Moving to Node #0,0,0 Current State: 45:[3, 15], Operations: ['88-85=3', '55-40=15'] Exploring Operation: 3*15=45, Resulting Numbers: [45] 45,45 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 97, 53, 92, 91 ]
44
[ "97-53=44", "92-91=1", "44*1=44" ]
Current State: 44:[97, 53, 92, 91], Operations: [] Exploring Operation: 97-53=44, Resulting Numbers: [92, 91, 44] Generated Node #2: [92, 91, 44] from Operation: 97-53=44 Current State: 44:[92, 91, 44], Operations: ['97-53=44'] Exploring Operation: 92-91=1, Resulting Numbers: [44, 1] Generated Node #3: [44, 1] from Operation: 92-91=1 Current State: 44:[44, 1], Operations: ['97-53=44', '92-91=1'] Exploring Operation: 44*1=44, Resulting Numbers: [44] 44,44 equal: Goal Reached
4
Current State: 44:[97, 53, 92, 91], Operations: [] Exploring Operation: 97-91=6, Resulting Numbers: [53, 92, 6] Generated Node #0,0: 44:[53, 92, 6] Operation: 97-91=6 Exploring Operation: 92-53=39, Resulting Numbers: [97, 91, 39] Generated Node #0,1: 44:[97, 91, 39] Operation: 92-53=39 Exploring Operation: 97-53=44, Resulting Numbers: [92, 91, 44] Generated Node #0,2: 44:[92, 91, 44] Operation: 97-53=44 Exploring Operation: 97-92=5, Resulting Numbers: [53, 91, 5] Generated Node #0,3: 44:[53, 91, 5] Operation: 97-92=5 Exploring Operation: 92-91=1, Resulting Numbers: [97, 53, 1] Generated Node #0,4: 44:[97, 53, 1] Operation: 92-91=1 Start Sub Search at level 1: Moving to Node #0,3 Current State: 44:[53, 91, 5], Operations: ['97-92=5'] Exploring Operation: 91-53=38, Resulting Numbers: [5, 38] Generated Node #0,3,0: 44:[5, 38] Operation: 91-53=38 Exploring Operation: 53-5=48, Resulting Numbers: [91, 48] Generated Node #0,3,1: 44:[91, 48] Operation: 53-5=48 Exploring Operation: 53+5=58, Resulting Numbers: [91, 58] Generated Node #0,3,2: 44:[91, 58] Operation: 53+5=58 Exploring Operation: 91-5=86, Resulting Numbers: [53, 86] Generated Node #0,3,3: 44:[53, 86] Operation: 91-5=86 Exploring Operation: 91+5=96, Resulting Numbers: [53, 96] Generated Node #0,3,4: 44:[53, 96] Operation: 91+5=96 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 44:[5, 38], Operations: ['97-92=5', '91-53=38'] Exploring Operation: 38-5=33, Resulting Numbers: [33] 33,44 unequal: No Solution Exploring Operation: 5*38=190, Resulting Numbers: [190] 190,44 unequal: No Solution Exploring Operation: 5+38=43, Resulting Numbers: [43] 43,44 unequal: No Solution No 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: 44:[91, 48], Operations: ['97-92=5', '53-5=48'] Exploring Operation: 91+48=139, Resulting Numbers: [139] 139,44 unequal: No Solution Exploring Operation: 91-48=43, Resulting Numbers: [43] 43,44 unequal: No Solution Exploring Operation: 91*48=4368, Resulting Numbers: [4368] 4368,44 unequal: No Solution No 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: 44:[53, 86], Operations: ['97-92=5', '91-5=86'] Exploring Operation: 53*86=4558, Resulting Numbers: [4558] 4558,44 unequal: No Solution Exploring Operation: 86-53=33, Resulting Numbers: [33] 33,44 unequal: No Solution Exploring Operation: 53+86=139, Resulting Numbers: [139] 139,44 unequal: No Solution No 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: 44:[91, 58], Operations: ['97-92=5', '53+5=58'] Exploring Operation: 91*58=5278, Resulting Numbers: [5278] 5278,44 unequal: No Solution Exploring Operation: 91+58=149, Resulting Numbers: [149] 149,44 unequal: No Solution Exploring Operation: 91-58=33, Resulting Numbers: [33] 33,44 unequal: No Solution No 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: 44:[53, 96], Operations: ['97-92=5', '91+5=96'] Exploring Operation: 53+96=149, Resulting Numbers: [149] 149,44 unequal: No Solution Exploring Operation: 53*96=5088, Resulting Numbers: [5088] 5088,44 unequal: No Solution Exploring Operation: 96-53=43, Resulting Numbers: [43] 43,44 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: 44:[53, 92, 6], Operations: ['97-91=6'] Exploring Operation: 92+6=98, Resulting Numbers: [53, 98] Generated Node #0,0,0: 44:[53, 98] Operation: 92+6=98 Exploring Operation: 53+6=59, Resulting Numbers: [92, 59] Generated Node #0,0,1: 44:[92, 59] Operation: 53+6=59 Exploring Operation: 92-6=86, Resulting Numbers: [53, 86] Generated Node #0,0,2: 44:[53, 86] Operation: 92-6=86 Exploring Operation: 92-53=39, Resulting Numbers: [6, 39] Generated Node #0,0,3: 44:[6, 39] Operation: 92-53=39 Exploring Operation: 53-6=47, Resulting Numbers: [92, 47] Generated Node #0,0,4: 44:[92, 47] Operation: 53-6=47 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 44:[6, 39], Operations: ['97-91=6', '92-53=39'] Exploring Operation: 39-6=33, Resulting Numbers: [33] 33,44 unequal: No Solution Exploring Operation: 6*39=234, Resulting Numbers: [234] 234,44 unequal: No Solution Exploring Operation: 6+39=45, Resulting Numbers: [45] 45,44 unequal: No Solution No 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: 44:[53, 86], Operations: ['97-91=6', '92-6=86'] Exploring Operation: 86-53=33, Resulting Numbers: [33] 33,44 unequal: No Solution Exploring Operation: 53+86=139, Resulting Numbers: [139] 139,44 unequal: No Solution Exploring Operation: 53*86=4558, Resulting Numbers: [4558] 4558,44 unequal: No Solution No 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: 44:[92, 47], Operations: ['97-91=6', '53-6=47'] Exploring Operation: 92-47=45, Resulting Numbers: [45] 45,44 unequal: No Solution Exploring Operation: 92+47=139, Resulting Numbers: [139] 139,44 unequal: No Solution Exploring Operation: 92*47=4324, Resulting Numbers: [4324] 4324,44 unequal: No Solution No 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: 44:[53, 98], Operations: ['97-91=6', '92+6=98'] Exploring Operation: 98-53=45, Resulting Numbers: [45] 45,44 unequal: No Solution Exploring Operation: 53*98=5194, Resulting Numbers: [5194] 5194,44 unequal: No Solution Exploring Operation: 53+98=151, Resulting Numbers: [151] 151,44 unequal: No Solution No 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: 44:[92, 59], Operations: ['97-91=6', '53+6=59'] Exploring Operation: 92-59=33, Resulting Numbers: [33] 33,44 unequal: No Solution Exploring Operation: 92*59=5428, Resulting Numbers: [5428] 5428,44 unequal: No Solution Exploring Operation: 92+59=151, Resulting Numbers: [151] 151,44 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: 44:[97, 53, 1], Operations: ['92-91=1'] Exploring Operation: 97/1=97, Resulting Numbers: [53, 97] Generated Node #0,4,0: 44:[53, 97] Operation: 97/1=97 Exploring Operation: 53-1=52, Resulting Numbers: [97, 52] Generated Node #0,4,1: 44:[97, 52] Operation: 53-1=52 Exploring Operation: 97*1=97, Resulting Numbers: [53, 97] Generated Node #0,4,2: 44:[53, 97] Operation: 97*1=97 Exploring Operation: 97-1=96, Resulting Numbers: [53, 96] Generated Node #0,4,3: 44:[53, 96] Operation: 97-1=96 Exploring Operation: 97-53=44, Resulting Numbers: [1, 44] Generated Node #0,4,4: 44:[1, 44] Operation: 97-53=44 Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 44:[1, 44], Operations: ['92-91=1', '97-53=44'] Exploring Operation: 44-1=43, Resulting Numbers: [43] 43,44 unequal: No Solution Exploring Operation: 1*44=44, Resulting Numbers: [44] 44,44 equal: Goal Reached Moving to Node #0 Current State: 44:[97, 53, 92, 91], Operations: [] Exploring Operation: 92-91=1, Resulting Numbers: [97, 53, 1] Generated Node #0,4: 44:[97, 53, 1] Operation: 92-91=1 Moving to Node #0,4 Current State: 44:[97, 53, 1], Operations: ['92-91=1'] Exploring Operation: 97-53=44, Resulting Numbers: [1, 44] Generated Node #0,4,4: 44:[1, 44] Operation: 97-53=44 Moving to Node #0,4,4 Current State: 44:[1, 44], Operations: ['92-91=1', '97-53=44'] Exploring Operation: 1*44=44, Resulting Numbers: [44] 44,44 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.951389
hs_5
mult_heuristic
[ 18, 56, 84, 77 ]
45
[ "56-18=38", "84-77=7", "38+7=45" ]
Current State: 45:[18, 56, 84, 77], Operations: [] Exploring Operation: 56-18=38, Resulting Numbers: [84, 77, 38] Generated Node #2: [84, 77, 38] from Operation: 56-18=38 Current State: 45:[84, 77, 38], Operations: ['56-18=38'] Exploring Operation: 84-77=7, Resulting Numbers: [38, 7] Generated Node #3: [38, 7] from Operation: 84-77=7 Current State: 45:[38, 7], Operations: ['56-18=38', '84-77=7'] Exploring Operation: 38+7=45, Resulting Numbers: [45] 45,45 equal: Goal Reached
4
Current State: 45:[18, 56, 84, 77], Operations: [] Exploring Operation: 84-77=7, Resulting Numbers: [18, 56, 7] Generated Node #0,0: 45:[18, 56, 7] Operation: 84-77=7 Exploring Operation: 84-56=28, Resulting Numbers: [18, 77, 28] Generated Node #0,1: 45:[18, 77, 28] Operation: 84-56=28 Moving to Node #0,0 Current State: 45:[18, 56, 7], Operations: ['84-77=7'] Exploring Operation: 56-7=49, Resulting Numbers: [18, 49] Generated Node #0,0,0: 45:[18, 49] Operation: 56-7=49 Exploring Operation: 56/7=8, Resulting Numbers: [18, 8] Generated Node #0,0,1: 45:[18, 8] Operation: 56/7=8 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 45:[18, 8], Operations: ['84-77=7', '56/7=8'] Exploring Operation: 18+8=26, Resulting Numbers: [26] 26,45 unequal: No Solution Exploring Operation: 18-8=10, Resulting Numbers: [10] 10,45 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 #0,0,0 Current State: 45:[18, 49], Operations: ['84-77=7', '56-7=49'] Exploring Operation: 49-18=31, Resulting Numbers: [31] 31,45 unequal: No Solution Exploring Operation: 18+49=67, Resulting Numbers: [67] 67,45 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 45:[18, 77, 28], Operations: ['84-56=28'] Exploring Operation: 77-28=49, Resulting Numbers: [18, 49] Generated Node #0,1,0: 45:[18, 49] Operation: 77-28=49 Exploring Operation: 77-18=59, Resulting Numbers: [28, 59] Generated Node #0,1,1: 45:[28, 59] Operation: 77-18=59 Moving to Node #0,1,0 Current State: 45:[18, 49], Operations: ['84-56=28', '77-28=49'] Exploring Operation: 49-18=31, Resulting Numbers: [31] 31,45 unequal: No Solution Exploring Operation: 18+49=67, Resulting Numbers: [67] 67,45 unequal: No Solution Moving to Node #0,1,1 Current State: 45:[28, 59], Operations: ['84-56=28', '77-18=59'] Exploring Operation: 59-28=31, Resulting Numbers: [31] 31,45 unequal: No Solution Exploring Operation: 28+59=87, Resulting Numbers: [87] 87,45 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 88, 83, 16, 74 ]
18
[ "88-83=5", "16+74=90", "90/5=18" ]
Current State: 18:[88, 83, 16, 74], Operations: [] Exploring Operation: 88-83=5, Resulting Numbers: [16, 74, 5] Generated Node #2: [16, 74, 5] from Operation: 88-83=5 Current State: 18:[16, 74, 5], Operations: ['88-83=5'] Exploring Operation: 16+74=90, Resulting Numbers: [5, 90] Generated Node #3: [5, 90] from Operation: 16+74=90 Current State: 18:[5, 90], Operations: ['88-83=5', '16+74=90'] Exploring Operation: 90/5=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[88, 83, 16, 74], Operations: [] Exploring Operation: 88-83=5, Resulting Numbers: [16, 74, 5] Generated Node #0,0: 18:[16, 74, 5] Operation: 88-83=5 Exploring Operation: 88-16=72, Resulting Numbers: [83, 74, 72] Generated Node #0,1: 18:[83, 74, 72] Operation: 88-16=72 Exploring Operation: 83-74=9, Resulting Numbers: [88, 16, 9] Generated Node #0,2: 18:[88, 16, 9] Operation: 83-74=9 Exploring Operation: 83-16=67, Resulting Numbers: [88, 74, 67] Generated Node #0,3: 18:[88, 74, 67] Operation: 83-16=67 Exploring Operation: 88-74=14, Resulting Numbers: [83, 16, 14] Generated Node #0,4: 18:[83, 16, 14] Operation: 88-74=14 Moving to Node #0,0 Current State: 18:[16, 74, 5], Operations: ['88-83=5'] Exploring Operation: 16+5=21, Resulting Numbers: [74, 21] Generated Node #0,0,0: 18:[74, 21] Operation: 16+5=21 Exploring Operation: 74-5=69, Resulting Numbers: [16, 69] Generated Node #0,0,1: 18:[16, 69] Operation: 74-5=69 Exploring Operation: 74-16=58, Resulting Numbers: [5, 58] Generated Node #0,0,2: 18:[5, 58] Operation: 74-16=58 Exploring Operation: 16-5=11, Resulting Numbers: [74, 11] Generated Node #0,0,3: 18:[74, 11] Operation: 16-5=11 Exploring Operation: 74+5=79, Resulting Numbers: [16, 79] Generated Node #0,0,4: 18:[16, 79] Operation: 74+5=79 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 18:[5, 58], Operations: ['88-83=5', '74-16=58'] Exploring Operation: 5+58=63, Resulting Numbers: [63] 63,18 unequal: No Solution Exploring Operation: 5*58=290, Resulting Numbers: [290] 290,18 unequal: No Solution Exploring Operation: 58-5=53, Resulting Numbers: [53] 53,18 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 18:[16, 69], Operations: ['88-83=5', '74-5=69'] Exploring Operation: 16*69=1104, Resulting Numbers: [1104] 1104,18 unequal: No Solution Exploring Operation: 69-16=53, Resulting Numbers: [53] 53,18 unequal: No Solution Exploring Operation: 16+69=85, Resulting Numbers: [85] 85,18 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 18:[74, 11], Operations: ['88-83=5', '16-5=11'] Exploring Operation: 74+11=85, Resulting Numbers: [85] 85,18 unequal: No Solution Exploring Operation: 74-11=63, Resulting Numbers: [63] 63,18 unequal: No Solution Exploring Operation: 74*11=814, Resulting Numbers: [814] 814,18 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 18:[74, 21], Operations: ['88-83=5', '16+5=21'] Exploring Operation: 74*21=1554, Resulting Numbers: [1554] 1554,18 unequal: No Solution Exploring Operation: 74-21=53, Resulting Numbers: [53] 53,18 unequal: No Solution Exploring Operation: 74+21=95, Resulting Numbers: [95] 95,18 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 18:[16, 79], Operations: ['88-83=5', '74+5=79'] Exploring Operation: 16+79=95, Resulting Numbers: [95] 95,18 unequal: No Solution Exploring Operation: 16*79=1264, Resulting Numbers: [1264] 1264,18 unequal: No Solution Exploring Operation: 79-16=63, Resulting Numbers: [63] 63,18 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: 18:[83, 16, 14], Operations: ['88-74=14'] Exploring Operation: 16+14=30, Resulting Numbers: [83, 30] Generated Node #0,4,0: 18:[83, 30] Operation: 16+14=30 Exploring Operation: 83-14=69, Resulting Numbers: [16, 69] Generated Node #0,4,1: 18:[16, 69] Operation: 83-14=69 Exploring Operation: 83-16=67, Resulting Numbers: [14, 67] Generated Node #0,4,2: 18:[14, 67] Operation: 83-16=67 Exploring Operation: 83+14=97, Resulting Numbers: [16, 97] Generated Node #0,4,3: 18:[16, 97] Operation: 83+14=97 Exploring Operation: 16-14=2, Resulting Numbers: [83, 2] Generated Node #0,4,4: 18:[83, 2] Operation: 16-14=2 Moving to Node #0,2 Current State: 18:[88, 16, 9], Operations: ['83-74=9'] Exploring Operation: 16+9=25, Resulting Numbers: [88, 25] Generated Node #0,2,0: 18:[88, 25] Operation: 16+9=25 Exploring Operation: 88-16=72, Resulting Numbers: [9, 72] Generated Node #0,2,1: 18:[9, 72] Operation: 88-16=72 Exploring Operation: 88+9=97, Resulting Numbers: [16, 97] Generated Node #0,2,2: 18:[16, 97] Operation: 88+9=97 Exploring Operation: 88-9=79, Resulting Numbers: [16, 79] Generated Node #0,2,3: 18:[16, 79] Operation: 88-9=79 Exploring Operation: 16-9=7, Resulting Numbers: [88, 7] Generated Node #0,2,4: 18:[88, 7] Operation: 16-9=7 Moving to Node #0,1 Current State: 18:[83, 74, 72], Operations: ['88-16=72'] Exploring Operation: 83-72=11, Resulting Numbers: [74, 11] Generated Node #0,1,0: 18:[74, 11] Operation: 83-72=11 Exploring Operation: 83+74=157, Resulting Numbers: [72, 157] Generated Node #0,1,1: 18:[72, 157] Operation: 83+74=157 Exploring Operation: 83+72=155, Resulting Numbers: [74, 155] Generated Node #0,1,2: 18:[74, 155] Operation: 83+72=155 Exploring Operation: 83-74=9, Resulting Numbers: [72, 9] Generated Node #0,1,3: 18:[72, 9] Operation: 83-74=9 Exploring Operation: 74-72=2, Resulting Numbers: [83, 2] Generated Node #0,1,4: 18:[83, 2] Operation: 74-72=2 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 18:[72, 9], Operations: ['88-16=72', '83-74=9'] Exploring Operation: 72-9=63, Resulting Numbers: [63] 63,18 unequal: No Solution Exploring Operation: 72/9=8, Resulting Numbers: [8] 8,18 unequal: No Solution Exploring Operation: 72*9=648, Resulting Numbers: [648] 648,18 unequal: No Solution Exploring Operation: 72+9=81, Resulting Numbers: [81] 81,18 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 18:[74, 11], Operations: ['88-16=72', '83-72=11'] Exploring Operation: 74*11=814, Resulting Numbers: [814] 814,18 unequal: No Solution Exploring Operation: 74+11=85, Resulting Numbers: [85] 85,18 unequal: No Solution Exploring Operation: 74-11=63, Resulting Numbers: [63] 63,18 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 18:[83, 2], Operations: ['88-16=72', '74-72=2'] Exploring Operation: 83-2=81, Resulting Numbers: [81] 81,18 unequal: No Solution Exploring Operation: 83*2=166, Resulting Numbers: [166] 166,18 unequal: No Solution Exploring Operation: 83+2=85, Resulting Numbers: [85] 85,18 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 18:[72, 157], Operations: ['88-16=72', '83+74=157'] Exploring Operation: 72+157=229, Resulting Numbers: [229] 229,18 unequal: No Solution Exploring Operation: 157-72=85, Resulting Numbers: [85] 85,18 unequal: No Solution Exploring Operation: 72*157=11304, Resulting Numbers: [11304] 11304,18 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 18:[74, 155], Operations: ['88-16=72', '83+72=155'] Exploring Operation: 74+155=229, Resulting Numbers: [229] 229,18 unequal: No Solution Exploring Operation: 74*155=11470, Resulting Numbers: [11470] 11470,18 unequal: No Solution Exploring Operation: 155-74=81, Resulting Numbers: [81] 81,18 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: 18:[88, 74, 67], Operations: ['83-16=67'] Exploring Operation: 88-74=14, Resulting Numbers: [67, 14] Generated Node #0,3,0: 18:[67, 14] Operation: 88-74=14 Exploring Operation: 88+74=162, Resulting Numbers: [67, 162] Generated Node #0,3,1: 18:[67, 162] Operation: 88+74=162 Exploring Operation: 88-67=21, Resulting Numbers: [74, 21] Generated Node #0,3,2: 18:[74, 21] Operation: 88-67=21 Exploring Operation: 74-67=7, Resulting Numbers: [88, 7] Generated Node #0,3,3: 18:[88, 7] Operation: 74-67=7 Exploring Operation: 88+67=155, Resulting Numbers: [74, 155] Generated Node #0,3,4: 18:[74, 155] Operation: 88+67=155 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 18:[67, 14], Operations: ['83-16=67', '88-74=14'] Exploring Operation: 67+14=81, Resulting Numbers: [81] 81,18 unequal: No Solution Exploring Operation: 67-14=53, Resulting Numbers: [53] 53,18 unequal: No Solution Exploring Operation: 67*14=938, Resulting Numbers: [938] 938,18 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 18:[74, 21], Operations: ['83-16=67', '88-67=21'] Exploring Operation: 74*21=1554, Resulting Numbers: [1554] 1554,18 unequal: No Solution Exploring Operation: 74-21=53, Resulting Numbers: [53] 53,18 unequal: No Solution Exploring Operation: 74+21=95, Resulting Numbers: [95] 95,18 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 18:[88, 7], Operations: ['83-16=67', '74-67=7'] Exploring Operation: 88*7=616, Resulting Numbers: [616] 616,18 unequal: No Solution Exploring Operation: 88+7=95, Resulting Numbers: [95] 95,18 unequal: No Solution Exploring Operation: 88-7=81, Resulting Numbers: [81] 81,18 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 18:[67, 162], Operations: ['83-16=67', '88+74=162'] Exploring Operation: 67+162=229, Resulting Numbers: [229] 229,18 unequal: No Solution Exploring Operation: 67*162=10854, Resulting Numbers: [10854] 10854,18 unequal: No Solution Exploring Operation: 162-67=95, Resulting Numbers: [95] 95,18 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 18:[74, 155], Operations: ['83-16=67', '88+67=155'] Exploring Operation: 155-74=81, Resulting Numbers: [81] 81,18 unequal: No Solution Exploring Operation: 74+155=229, Resulting Numbers: [229] 229,18 unequal: No Solution Exploring Operation: 74*155=11470, Resulting Numbers: [11470] 11470,18 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,4,1 Current State: 18:[16, 69], Operations: ['88-74=14', '83-14=69'] Exploring Operation: 69-16=53, Resulting Numbers: [53] 53,18 unequal: No Solution Exploring Operation: 16+69=85, Resulting Numbers: [85] 85,18 unequal: No Solution Exploring Operation: 16*69=1104, Resulting Numbers: [1104] 1104,18 unequal: No Solution Moving to Node #0,4,2 Current State: 18:[14, 67], Operations: ['88-74=14', '83-16=67'] Exploring Operation: 67-14=53, Resulting Numbers: [53] 53,18 unequal: No Solution Exploring Operation: 14+67=81, Resulting Numbers: [81] 81,18 unequal: No Solution Exploring Operation: 14*67=938, Resulting Numbers: [938] 938,18 unequal: No Solution Moving to Node #0,2,1 Current State: 18:[9, 72], Operations: ['83-74=9', '88-16=72'] Exploring Operation: 9*72=648, Resulting Numbers: [648] 648,18 unequal: No Solution Exploring Operation: 72/9=8, Resulting Numbers: [8] 8,18 unequal: No Solution Exploring Operation: 9+72=81, Resulting Numbers: [81] 81,18 unequal: No Solution Exploring Operation: 72-9=63, Resulting Numbers: [63] 63,18 unequal: No Solution Moving to Node #0,2,3 Current State: 18:[16, 79], Operations: ['83-74=9', '88-9=79'] Exploring Operation: 79-16=63, Resulting Numbers: [63] 63,18 unequal: No Solution Exploring Operation: 16*79=1264, Resulting Numbers: [1264] 1264,18 unequal: No Solution Exploring Operation: 16+79=95, Resulting Numbers: [95] 95,18 unequal: No Solution Moving to Node #0,4,4 Current State: 18:[83, 2], Operations: ['88-74=14', '16-14=2'] Exploring Operation: 83+2=85, Resulting Numbers: [85] 85,18 unequal: No Solution Exploring Operation: 83-2=81, Resulting Numbers: [81] 81,18 unequal: No Solution Exploring Operation: 83*2=166, Resulting Numbers: [166] 166,18 unequal: No Solution Moving to Node #0,2,4 Current State: 18:[88, 7], Operations: ['83-74=9', '16-9=7'] Exploring Operation: 88-7=81, Resulting Numbers: [81] 81,18 unequal: No Solution Exploring Operation: 88+7=95, Resulting Numbers: [95] 95,18 unequal: No Solution Exploring Operation: 88*7=616, Resulting Numbers: [616] 616,18 unequal: No Solution Moving to Node #0,4,0 Current State: 18:[83, 30], Operations: ['88-74=14', '16+14=30'] Exploring Operation: 83*30=2490, Resulting Numbers: [2490] 2490,18 unequal: No Solution Exploring Operation: 83-30=53, Resulting Numbers: [53] 53,18 unequal: No Solution Exploring Operation: 83+30=113, Resulting Numbers: [113] 113,18 unequal: No Solution Moving to Node #0,2,0 Current State: 18:[88, 25], Operations: ['83-74=9', '16+9=25'] Exploring Operation: 88+25=113, Resulting Numbers: [113] 113,18 unequal: No Solution Exploring Operation: 88-25=63, Resulting Numbers: [63] 63,18 unequal: No Solution Exploring Operation: 88*25=2200, Resulting Numbers: [2200] 2200,18 unequal: No Solution Moving to Node #0,2,2 Current State: 18:[16, 97], Operations: ['83-74=9', '88+9=97'] Exploring Operation: 16*97=1552, Resulting Numbers: [1552] 1552,18 unequal: No Solution Exploring Operation: 16+97=113, Resulting Numbers: [113] 113,18 unequal: No Solution Exploring Operation: 97-16=81, Resulting Numbers: [81] 81,18 unequal: No Solution Moving to Node #0,4,3 Current State: 18:[16, 97], Operations: ['88-74=14', '83+14=97'] Exploring Operation: 97-16=81, Resulting Numbers: [81] 81,18 unequal: No Solution Exploring Operation: 16+97=113, Resulting Numbers: [113] 113,18 unequal: No Solution Exploring Operation: 16*97=1552, Resulting Numbers: [1552] 1552,18 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 56, 98, 12, 14 ]
95
[ "56/14=4", "12/4=3", "98-3=95" ]
Current State: 95:[56, 98, 12, 14], Operations: [] Exploring Operation: 56/14=4, Resulting Numbers: [98, 12, 4] Generated Node #2: [98, 12, 4] from Operation: 56/14=4 Current State: 95:[98, 12, 4], Operations: ['56/14=4'] Exploring Operation: 12/4=3, Resulting Numbers: [98, 3] Generated Node #3: [98, 3] from Operation: 12/4=3 Current State: 95:[98, 3], Operations: ['56/14=4', '12/4=3'] Exploring Operation: 98-3=95, Resulting Numbers: [95] 95,95 equal: Goal Reached
4
Current State: 95:[56, 98, 12, 14], Operations: [] Exploring Operation: 56/14=4, Resulting Numbers: [98, 12, 4] Generated Node #0,0: 95:[98, 12, 4] Operation: 56/14=4 Exploring Operation: 98-56=42, Resulting Numbers: [12, 14, 42] Generated Node #0,1: 95:[12, 14, 42] Operation: 98-56=42 Exploring Operation: 56-14=42, Resulting Numbers: [98, 12, 42] Generated Node #0,2: 95:[98, 12, 42] Operation: 56-14=42 Exploring Operation: 56-12=44, Resulting Numbers: [98, 14, 44] Generated Node #0,3: 95:[98, 14, 44] Operation: 56-12=44 Moving to Node #0,0 Current State: 95:[98, 12, 4], Operations: ['56/14=4'] Exploring Operation: 12-4=8, Resulting Numbers: [98, 8] Generated Node #0,0,0: 95:[98, 8] Operation: 12-4=8 Exploring Operation: 12/4=3, Resulting Numbers: [98, 3] Generated Node #0,0,1: 95:[98, 3] Operation: 12/4=3 Exploring Operation: 98-4=94, Resulting Numbers: [12, 94] Generated Node #0,0,2: 95:[12, 94] Operation: 98-4=94 Exploring Operation: 12+4=16, Resulting Numbers: [98, 16] Generated Node #0,0,3: 95:[98, 16] Operation: 12+4=16 Moving to Node #0,3 Current State: 95:[98, 14, 44], Operations: ['56-12=44'] Exploring Operation: 98-14=84, Resulting Numbers: [44, 84] Generated Node #0,3,0: 95:[44, 84] Operation: 98-14=84 Exploring Operation: 44-14=30, Resulting Numbers: [98, 30] Generated Node #0,3,1: 95:[98, 30] Operation: 44-14=30 Exploring Operation: 98-44=54, Resulting Numbers: [14, 54] Generated Node #0,3,2: 95:[14, 54] Operation: 98-44=54 Exploring Operation: 98/14=7, Resulting Numbers: [44, 7] Generated Node #0,3,3: 95:[44, 7] Operation: 98/14=7 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 95:[98, 30], Operations: ['56-12=44', '44-14=30'] Exploring Operation: 98-30=68, Resulting Numbers: [68] 68,95 unequal: No Solution Exploring Operation: 98+30=128, Resulting Numbers: [128] 128,95 unequal: No Solution Exploring Operation: 98*30=2940, Resulting Numbers: [2940] 2940,95 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 95:[44, 7], Operations: ['56-12=44', '98/14=7'] Exploring Operation: 44-7=37, Resulting Numbers: [37] 37,95 unequal: No Solution Exploring Operation: 44*7=308, Resulting Numbers: [308] 308,95 unequal: No Solution Exploring Operation: 44+7=51, Resulting Numbers: [51] 51,95 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 95:[44, 84], Operations: ['56-12=44', '98-14=84'] Exploring Operation: 44+84=128, Resulting Numbers: [128] 128,95 unequal: No Solution Exploring Operation: 84-44=40, Resulting Numbers: [40] 40,95 unequal: No Solution Exploring Operation: 44*84=3696, Resulting Numbers: [3696] 3696,95 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 95:[14, 54], Operations: ['56-12=44', '98-44=54'] Exploring Operation: 14+54=68, Resulting Numbers: [68] 68,95 unequal: No Solution Exploring Operation: 54-14=40, Resulting Numbers: [40] 40,95 unequal: No Solution Exploring Operation: 14*54=756, Resulting Numbers: [756] 756,95 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: 95:[98, 12, 42], Operations: ['56-14=42'] Exploring Operation: 98-12=86, Resulting Numbers: [42, 86] Generated Node #0,2,0: 95:[42, 86] Operation: 98-12=86 Exploring Operation: 42-12=30, Resulting Numbers: [98, 30] Generated Node #0,2,1: 95:[98, 30] Operation: 42-12=30 Exploring Operation: 98+12=110, Resulting Numbers: [42, 110] Generated Node #0,2,2: 95:[42, 110] Operation: 98+12=110 Exploring Operation: 12+42=54, Resulting Numbers: [98, 54] Generated Node #0,2,3: 95:[98, 54] Operation: 12+42=54 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 95:[98, 30], Operations: ['56-14=42', '42-12=30'] Exploring Operation: 98*30=2940, Resulting Numbers: [2940] 2940,95 unequal: No Solution Exploring Operation: 98+30=128, Resulting Numbers: [128] 128,95 unequal: No Solution Exploring Operation: 98-30=68, Resulting Numbers: [68] 68,95 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 95:[42, 86], Operations: ['56-14=42', '98-12=86'] Exploring Operation: 42+86=128, Resulting Numbers: [128] 128,95 unequal: No Solution Exploring Operation: 42*86=3612, Resulting Numbers: [3612] 3612,95 unequal: No Solution Exploring Operation: 86-42=44, Resulting Numbers: [44] 44,95 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 95:[42, 110], Operations: ['56-14=42', '98+12=110'] Exploring Operation: 42*110=4620, Resulting Numbers: [4620] 4620,95 unequal: No Solution Exploring Operation: 110-42=68, Resulting Numbers: [68] 68,95 unequal: No Solution Exploring Operation: 42+110=152, Resulting Numbers: [152] 152,95 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 95:[98, 54], Operations: ['56-14=42', '12+42=54'] Exploring Operation: 98-54=44, Resulting Numbers: [44] 44,95 unequal: No Solution Exploring Operation: 98+54=152, Resulting Numbers: [152] 152,95 unequal: No Solution Exploring Operation: 98*54=5292, Resulting Numbers: [5292] 5292,95 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: 95:[12, 14, 42], Operations: ['98-56=42'] Exploring Operation: 14-12=2, Resulting Numbers: [42, 2] Generated Node #0,1,0: 95:[42, 2] Operation: 14-12=2 Exploring Operation: 42-12=30, Resulting Numbers: [14, 30] Generated Node #0,1,1: 95:[14, 30] Operation: 42-12=30 Exploring Operation: 42/14=3, Resulting Numbers: [12, 3] Generated Node #0,1,2: 95:[12, 3] Operation: 42/14=3 Exploring Operation: 42-14=28, Resulting Numbers: [12, 28] Generated Node #0,1,3: 95:[12, 28] Operation: 42-14=28 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 95:[12, 3], Operations: ['98-56=42', '42/14=3'] Exploring Operation: 12+3=15, Resulting Numbers: [15] 15,95 unequal: No Solution Exploring Operation: 12*3=36, Resulting Numbers: [36] 36,95 unequal: No Solution Exploring Operation: 12/3=4, Resulting Numbers: [4] 4,95 unequal: No Solution Exploring Operation: 12-3=9, Resulting Numbers: [9] 9,95 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 95:[14, 30], Operations: ['98-56=42', '42-12=30'] Exploring Operation: 14+30=44, Resulting Numbers: [44] 44,95 unequal: No Solution Exploring Operation: 30-14=16, Resulting Numbers: [16] 16,95 unequal: No Solution Exploring Operation: 14*30=420, Resulting Numbers: [420] 420,95 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 95:[12, 28], Operations: ['98-56=42', '42-14=28'] Exploring Operation: 12+28=40, Resulting Numbers: [40] 40,95 unequal: No Solution Exploring Operation: 28-12=16, Resulting Numbers: [16] 16,95 unequal: No Solution Exploring Operation: 12*28=336, Resulting Numbers: [336] 336,95 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 95:[42, 2], Operations: ['98-56=42', '14-12=2'] Exploring Operation: 42-2=40, Resulting Numbers: [40] 40,95 unequal: No Solution Exploring Operation: 42/2=21, Resulting Numbers: [21] 21,95 unequal: No Solution Exploring Operation: 42+2=44, Resulting Numbers: [44] 44,95 unequal: No Solution Exploring Operation: 42*2=84, Resulting Numbers: [84] 84,95 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: 95:[98, 3], Operations: ['56/14=4', '12/4=3'] Exploring Operation: 98+3=101, Resulting Numbers: [101] 101,95 unequal: No Solution Exploring Operation: 98-3=95, Resulting Numbers: [95] 95,95 equal: Goal Reached Moving to Node #0 Current State: 95:[56, 98, 12, 14], Operations: [] Exploring Operation: 56/14=4, Resulting Numbers: [98, 12, 4] Generated Node #0,0: 95:[98, 12, 4] Operation: 56/14=4 Moving to Node #0,0 Current State: 95:[98, 12, 4], Operations: ['56/14=4'] Exploring Operation: 12/4=3, Resulting Numbers: [98, 3] Generated Node #0,0,1: 95:[98, 3] Operation: 12/4=3 Moving to Node #0,0,1 Current State: 95:[98, 3], Operations: ['56/14=4', '12/4=3'] Exploring Operation: 98-3=95, Resulting Numbers: [95] 95,95 equal: Goal Reached
0.944444
hs_4
mult_heuristic
[ 8, 80, 12, 14 ]
82
[ "14-8=6", "12/6=2", "80+2=82" ]
Current State: 82:[8, 80, 12, 14], Operations: [] Exploring Operation: 14-8=6, Resulting Numbers: [80, 12, 6] Generated Node #2: [80, 12, 6] from Operation: 14-8=6 Current State: 82:[80, 12, 6], Operations: ['14-8=6'] Exploring Operation: 12/6=2, Resulting Numbers: [80, 2] Generated Node #3: [80, 2] from Operation: 12/6=2 Current State: 82:[80, 2], Operations: ['14-8=6', '12/6=2'] Exploring Operation: 80+2=82, Resulting Numbers: [82] 82,82 equal: Goal Reached
4
Current State: 82:[8, 80, 12, 14], Operations: [] Exploring Operation: 14-12=2, Resulting Numbers: [8, 80, 2] Generated Node #0,0: 82:[8, 80, 2] Operation: 14-12=2 Exploring Operation: 12-8=4, Resulting Numbers: [80, 14, 4] Generated Node #0,1: 82:[80, 14, 4] Operation: 12-8=4 Start Sub Search at level 1: Moving to Node #0,0 Current State: 82:[8, 80, 2], Operations: ['14-12=2'] Exploring Operation: 8/2=4, Resulting Numbers: [80, 4] Generated Node #0,0,0: 82:[80, 4] Operation: 8/2=4 Exploring Operation: 8+80=88, Resulting Numbers: [2, 88] Generated Node #0,0,1: 82:[2, 88] Operation: 8+80=88 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 82:[80, 4], Operations: ['14-12=2', '8/2=4'] Exploring Operation: 80+4=84, Resulting Numbers: [84] 84,82 unequal: No Solution Exploring Operation: 80-4=76, Resulting Numbers: [76] 76,82 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 #0,0,1 Current State: 82:[2, 88], Operations: ['14-12=2', '8+80=88'] Exploring Operation: 88/2=44, Resulting Numbers: [44] 44,82 unequal: No Solution Exploring Operation: 88-2=86, Resulting Numbers: [86] 86,82 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 82:[80, 14, 4], Operations: ['12-8=4'] Exploring Operation: 80+14=94, Resulting Numbers: [4, 94] Generated Node #0,1,0: 82:[4, 94] Operation: 80+14=94 Exploring Operation: 14-4=10, Resulting Numbers: [80, 10] Generated Node #0,1,1: 82:[80, 10] Operation: 14-4=10 Moving to Node #0,1,1 Current State: 82:[80, 10], Operations: ['12-8=4', '14-4=10'] Exploring Operation: 80/10=8, Resulting Numbers: [8] 8,82 unequal: No Solution Exploring Operation: 80+10=90, Resulting Numbers: [90] 90,82 unequal: No Solution Moving to Node #0,1,0 Current State: 82:[4, 94], Operations: ['12-8=4', '80+14=94'] Exploring Operation: 94-4=90, Resulting Numbers: [90] 90,82 unequal: No Solution Exploring Operation: 4+94=98, Resulting Numbers: [98] 98,82 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
[ 39, 66, 14, 38 ]
41
[ "66-38=28", "28/14=2", "39+2=41" ]
Current State: 41:[39, 66, 14, 38], Operations: [] Exploring Operation: 66-38=28, Resulting Numbers: [39, 14, 28] Generated Node #2: [39, 14, 28] from Operation: 66-38=28 Current State: 41:[39, 14, 28], Operations: ['66-38=28'] Exploring Operation: 28/14=2, Resulting Numbers: [39, 2] Generated Node #3: [39, 2] from Operation: 28/14=2 Current State: 41:[39, 2], Operations: ['66-38=28', '28/14=2'] Exploring Operation: 39+2=41, Resulting Numbers: [41] 41,41 equal: Goal Reached
4
Current State: 41:[39, 66, 14, 38], Operations: [] Exploring Operation: 39+14=53, Resulting Numbers: [66, 38, 53] Generated Node #0,0: 41:[66, 38, 53] Operation: 39+14=53 Exploring Operation: 66-14=52, Resulting Numbers: [39, 38, 52] Generated Node #0,1: 41:[39, 38, 52] Operation: 66-14=52 Exploring Operation: 14+38=52, Resulting Numbers: [39, 66, 52] Generated Node #0,2: 41:[39, 66, 52] Operation: 14+38=52 Start Sub Search at level 1: Moving to Node #0,1 Current State: 41:[39, 38, 52], Operations: ['66-14=52'] Exploring Operation: 52-39=13, Resulting Numbers: [38, 13] Generated Node #0,1,0: 41:[38, 13] Operation: 52-39=13 Exploring Operation: 39+38=77, Resulting Numbers: [52, 77] Generated Node #0,1,1: 41:[52, 77] Operation: 39+38=77 Exploring Operation: 52-38=14, Resulting Numbers: [39, 14] Generated Node #0,1,2: 41:[39, 14] Operation: 52-38=14 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 41:[39, 14], Operations: ['66-14=52', '52-38=14'] Exploring Operation: 39-14=25, Resulting Numbers: [25] 25,41 unequal: No Solution Exploring Operation: 39*14=546, Resulting Numbers: [546] 546,41 unequal: No Solution Exploring Operation: 39+14=53, Resulting Numbers: [53] 53,41 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 41:[38, 13], Operations: ['66-14=52', '52-39=13'] Exploring Operation: 38-13=25, Resulting Numbers: [25] 25,41 unequal: No Solution Exploring Operation: 38+13=51, Resulting Numbers: [51] 51,41 unequal: No Solution Exploring Operation: 38*13=494, Resulting Numbers: [494] 494,41 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 41:[52, 77], Operations: ['66-14=52', '39+38=77'] Exploring Operation: 52+77=129, Resulting Numbers: [129] 129,41 unequal: No Solution Exploring Operation: 77-52=25, Resulting Numbers: [25] 25,41 unequal: No Solution Exploring Operation: 52*77=4004, Resulting Numbers: [4004] 4004,41 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: 41:[39, 66, 52], Operations: ['14+38=52'] Exploring Operation: 66-39=27, Resulting Numbers: [52, 27] Generated Node #0,2,0: 41:[52, 27] Operation: 66-39=27 Exploring Operation: 52-39=13, Resulting Numbers: [66, 13] Generated Node #0,2,1: 41:[66, 13] Operation: 52-39=13 Exploring Operation: 66-52=14, Resulting Numbers: [39, 14] Generated Node #0,2,2: 41:[39, 14] Operation: 66-52=14 Moving to Node #0,2,0 Current State: 41:[52, 27], Operations: ['14+38=52', '66-39=27'] Exploring Operation: 52*27=1404, Resulting Numbers: [1404] 1404,41 unequal: No Solution Exploring Operation: 52+27=79, Resulting Numbers: [79] 79,41 unequal: No Solution Exploring Operation: 52-27=25, Resulting Numbers: [25] 25,41 unequal: No Solution Moving to Node #0,2,2 Current State: 41:[39, 14], Operations: ['14+38=52', '66-52=14'] Exploring Operation: 39*14=546, Resulting Numbers: [546] 546,41 unequal: No Solution Exploring Operation: 39+14=53, Resulting Numbers: [53] 53,41 unequal: No Solution Exploring Operation: 39-14=25, Resulting Numbers: [25] 25,41 unequal: No Solution Moving to Node #0,2,1 Current State: 41:[66, 13], Operations: ['14+38=52', '52-39=13'] Exploring Operation: 66+13=79, Resulting Numbers: [79] 79,41 unequal: No Solution Exploring Operation: 66-13=53, Resulting Numbers: [53] 53,41 unequal: No Solution Exploring Operation: 66*13=858, Resulting Numbers: [858] 858,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 41:[66, 38, 53], Operations: ['39+14=53'] Exploring Operation: 66-53=13, Resulting Numbers: [38, 13] Generated Node #0,0,0: 41:[38, 13] Operation: 66-53=13 Exploring Operation: 66-38=28, Resulting Numbers: [53, 28] Generated Node #0,0,1: 41:[53, 28] Operation: 66-38=28 Exploring Operation: 53-38=15, Resulting Numbers: [66, 15] Generated Node #0,0,2: 41:[66, 15] Operation: 53-38=15 Moving to Node #0,0,1 Current State: 41:[53, 28], Operations: ['39+14=53', '66-38=28'] Exploring Operation: 53+28=81, Resulting Numbers: [81] 81,41 unequal: No Solution Exploring Operation: 53-28=25, Resulting Numbers: [25] 25,41 unequal: No Solution Exploring Operation: 53*28=1484, Resulting Numbers: [1484] 1484,41 unequal: No Solution Moving to Node #0,0,0 Current State: 41:[38, 13], Operations: ['39+14=53', '66-53=13'] Exploring Operation: 38-13=25, Resulting Numbers: [25] 25,41 unequal: No Solution Exploring Operation: 38*13=494, Resulting Numbers: [494] 494,41 unequal: No Solution Exploring Operation: 38+13=51, Resulting Numbers: [51] 51,41 unequal: No Solution Moving to Node #0,0,2 Current State: 41:[66, 15], Operations: ['39+14=53', '53-38=15'] Exploring Operation: 66-15=51, Resulting Numbers: [51] 51,41 unequal: No Solution Exploring Operation: 66+15=81, Resulting Numbers: [81] 81,41 unequal: No Solution Exploring Operation: 66*15=990, Resulting Numbers: [990] 990,41 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
[ 13, 44, 42, 80 ]
65
[ "13+44=57", "42+80=122", "122-57=65" ]
Current State: 65:[13, 44, 42, 80], Operations: [] Exploring Operation: 13+44=57, Resulting Numbers: [42, 80, 57] Generated Node #2: [42, 80, 57] from Operation: 13+44=57 Current State: 65:[42, 80, 57], Operations: ['13+44=57'] Exploring Operation: 42+80=122, Resulting Numbers: [57, 122] Generated Node #3: [57, 122] from Operation: 42+80=122 Current State: 65:[57, 122], Operations: ['13+44=57', '42+80=122'] Exploring Operation: 122-57=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
4
Current State: 65:[13, 44, 42, 80], Operations: [] Exploring Operation: 13+44=57, Resulting Numbers: [42, 80, 57] Generated Node #0,0: 65:[42, 80, 57] Operation: 13+44=57 Exploring Operation: 44-42=2, Resulting Numbers: [13, 80, 2] Generated Node #0,1: 65:[13, 80, 2] Operation: 44-42=2 Exploring Operation: 44+42=86, Resulting Numbers: [13, 80, 86] Generated Node #0,2: 65:[13, 80, 86] Operation: 44+42=86 Exploring Operation: 13+42=55, Resulting Numbers: [44, 80, 55] Generated Node #0,3: 65:[44, 80, 55] Operation: 13+42=55 Start Sub Search at level 1: Moving to Node #0,1 Current State: 65:[13, 80, 2], Operations: ['44-42=2'] Exploring Operation: 80-2=78, Resulting Numbers: [13, 78] Generated Node #0,1,0: 65:[13, 78] Operation: 80-2=78 Exploring Operation: 13-2=11, Resulting Numbers: [80, 11] Generated Node #0,1,1: 65:[80, 11] Operation: 13-2=11 Exploring Operation: 13+2=15, Resulting Numbers: [80, 15] Generated Node #0,1,2: 65:[80, 15] Operation: 13+2=15 Exploring Operation: 80-13=67, Resulting Numbers: [2, 67] Generated Node #0,1,3: 65:[2, 67] Operation: 80-13=67 Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 65:[2, 67], Operations: ['44-42=2', '80-13=67'] Exploring Operation: 2*67=134, Resulting Numbers: [134] 134,65 unequal: No Solution Exploring Operation: 67-2=65, Resulting Numbers: [65] 65,65 equal: Goal Reached Moving to Node #0 Current State: 65:[13, 44, 42, 80], Operations: [] Exploring Operation: 44-42=2, Resulting Numbers: [13, 80, 2] Generated Node #0,1: 65:[13, 80, 2] Operation: 44-42=2 Moving to Node #0,1 Current State: 65:[13, 80, 2], Operations: ['44-42=2'] Exploring Operation: 80-13=67, Resulting Numbers: [2, 67] Generated Node #0,1,3: 65:[2, 67] Operation: 80-13=67 Moving to Node #0,1,3 Current State: 65:[2, 67], Operations: ['44-42=2', '80-13=67'] Exploring Operation: 67-2=65, Resulting Numbers: [65] 65,65 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.987847
hs_4
sum_heuristic
[ 52, 78, 76, 52 ]
16
[ "76-52=24", "52*24=1248", "1248/78=16" ]
Current State: 16:[52, 78, 76, 52], Operations: [] Exploring Operation: 76-52=24, Resulting Numbers: [78, 24] Generated Node #2: [78, 24] from Operation: 76-52=24 Current State: 16:[78, 24], Operations: ['76-52=24'] Exploring Operation: 52*24=1248, Resulting Numbers: [78, 1248] Generated Node #3: [78, 1248] from Operation: 52*24=1248 Current State: 16:[78, 1248], Operations: ['76-52=24', '52*24=1248'] Exploring Operation: 1248/78=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[52, 78, 76, 52], Operations: [] Exploring Operation: 78-52=26, Resulting Numbers: [76, 52, 26] Generated Node #0,0: 16:[76, 52, 26] Operation: 78-52=26 Exploring Operation: 78-76=2, Resulting Numbers: [52, 52, 2] Generated Node #0,1: 16:[52, 52, 2] Operation: 78-76=2 Exploring Operation: 76-52=24, Resulting Numbers: [52, 78, 24] Generated Node #0,2: 16:[52, 78, 24] Operation: 76-52=24 Exploring Operation: 78-52=26, Resulting Numbers: [52, 76, 26] Generated Node #0,3: 16:[52, 76, 26] Operation: 78-52=26 Exploring Operation: 76-52=24, Resulting Numbers: [78, 52, 24] Generated Node #0,4: 16:[78, 52, 24] Operation: 76-52=24 Moving to Node #0,1 Current State: 16:[52, 52, 2], Operations: ['78-76=2'] Exploring Operation: 52/52=1, Resulting Numbers: [2, 1] Generated Node #0,1,0: 16:[2, 1] Operation: 52/52=1 Exploring Operation: 52/2=26, Resulting Numbers: [52, 26] Generated Node #0,1,1: 16:[52, 26] Operation: 52/2=26 Exploring Operation: 52-52=0, Resulting Numbers: [2, 0] Generated Node #0,1,2: 16:[2, 0] Operation: 52-52=0 Exploring Operation: 52-2=50, Resulting Numbers: [52, 50] Generated Node #0,1,3: 16:[52, 50] Operation: 52-2=50 Exploring Operation: 52/2=26, Resulting Numbers: [52, 26] Generated Node #0,1,4: 16:[52, 26] Operation: 52/2=26 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 16:[2, 1], Operations: ['78-76=2', '52/52=1'] Exploring Operation: 2-1=1, Resulting Numbers: [1] 1,16 unequal: No Solution Exploring Operation: 2+1=3, Resulting Numbers: [3] 3,16 unequal: No Solution Exploring Operation: 2/1=2, Resulting Numbers: [2] 2,16 unequal: No Solution Exploring Operation: 2*1=2, Resulting Numbers: [2] 2,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 16:[2, 0], Operations: ['78-76=2', '52-52=0'] Exploring Operation: 2+0=2, Resulting Numbers: [2] 2,16 unequal: No Solution Exploring Operation: 2*0=0, Resulting Numbers: [0] 0,16 unequal: No Solution Exploring Operation: 2-0=2, Resulting Numbers: [2] 2,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 16:[52, 26], Operations: ['78-76=2', '52/2=26'] Exploring Operation: 52-26=26, Resulting Numbers: [26] 26,16 unequal: No Solution Exploring Operation: 52/26=2, Resulting Numbers: [2] 2,16 unequal: No Solution Exploring Operation: 52*26=1352, Resulting Numbers: [1352] 1352,16 unequal: No Solution Exploring Operation: 52+26=78, Resulting Numbers: [78] 78,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 16:[52, 26], Operations: ['78-76=2', '52/2=26'] Exploring Operation: 52/26=2, Resulting Numbers: [2] 2,16 unequal: No Solution Exploring Operation: 52-26=26, Resulting Numbers: [26] 26,16 unequal: No Solution Exploring Operation: 52*26=1352, Resulting Numbers: [1352] 1352,16 unequal: No Solution Exploring Operation: 52+26=78, Resulting Numbers: [78] 78,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 16:[52, 50], Operations: ['78-76=2', '52-2=50'] Exploring Operation: 52+50=102, Resulting Numbers: [102] 102,16 unequal: No Solution Exploring Operation: 52*50=2600, Resulting Numbers: [2600] 2600,16 unequal: No Solution Exploring Operation: 52-50=2, Resulting Numbers: [2] 2,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 16:[52, 78, 24], Operations: ['76-52=24'] Exploring Operation: 52+24=76, Resulting Numbers: [78, 76] Generated Node #0,2,0: 16:[78, 76] Operation: 52+24=76 Exploring Operation: 52+78=130, Resulting Numbers: [24, 130] Generated Node #0,2,1: 16:[24, 130] Operation: 52+78=130 Exploring Operation: 78-24=54, Resulting Numbers: [52, 54] Generated Node #0,2,2: 16:[52, 54] Operation: 78-24=54 Exploring Operation: 52-24=28, Resulting Numbers: [78, 28] Generated Node #0,2,3: 16:[78, 28] Operation: 52-24=28 Exploring Operation: 78-52=26, Resulting Numbers: [24, 26] Generated Node #0,2,4: 16:[24, 26] Operation: 78-52=26 Moving to Node #0,4 Current State: 16:[78, 52, 24], Operations: ['76-52=24'] Exploring Operation: 78+24=102, Resulting Numbers: [52, 102] Generated Node #0,4,0: 16:[52, 102] Operation: 78+24=102 Exploring Operation: 78-52=26, Resulting Numbers: [24, 26] Generated Node #0,4,1: 16:[24, 26] Operation: 78-52=26 Exploring Operation: 78-24=54, Resulting Numbers: [52, 54] Generated Node #0,4,2: 16:[52, 54] Operation: 78-24=54 Exploring Operation: 52-24=28, Resulting Numbers: [78, 28] Generated Node #0,4,3: 16:[78, 28] Operation: 52-24=28 Exploring Operation: 78+52=130, Resulting Numbers: [24, 130] Generated Node #0,4,4: 16:[24, 130] Operation: 78+52=130 Moving to Node #0,0 Current State: 16:[76, 52, 26], Operations: ['78-52=26'] Exploring Operation: 76-52=24, Resulting Numbers: [26, 24] Generated Node #0,0,0: 16:[26, 24] Operation: 76-52=24 Exploring Operation: 52-26=26, Resulting Numbers: [76, 26] Generated Node #0,0,1: 16:[76, 26] Operation: 52-26=26 Exploring Operation: 76+52=128, Resulting Numbers: [26, 128] Generated Node #0,0,2: 16:[26, 128] Operation: 76+52=128 Exploring Operation: 76-26=50, Resulting Numbers: [52, 50] Generated Node #0,0,3: 16:[52, 50] Operation: 76-26=50 Exploring Operation: 52/26=2, Resulting Numbers: [76, 2] Generated Node #0,0,4: 16:[76, 2] Operation: 52/26=2 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 16:[26, 24], Operations: ['78-52=26', '76-52=24'] Exploring Operation: 26*24=624, Resulting Numbers: [624] 624,16 unequal: No Solution Exploring Operation: 26-24=2, Resulting Numbers: [2] 2,16 unequal: No Solution Exploring Operation: 26+24=50, Resulting Numbers: [50] 50,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 16:[76, 2], Operations: ['78-52=26', '52/26=2'] Exploring Operation: 76*2=152, Resulting Numbers: [152] 152,16 unequal: No Solution Exploring Operation: 76+2=78, Resulting Numbers: [78] 78,16 unequal: No Solution Exploring Operation: 76/2=38, Resulting Numbers: [38] 38,16 unequal: No Solution Exploring Operation: 76-2=74, Resulting Numbers: [74] 74,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 16:[76, 26], Operations: ['78-52=26', '52-26=26'] Exploring Operation: 76+26=102, Resulting Numbers: [102] 102,16 unequal: No Solution Exploring Operation: 76-26=50, Resulting Numbers: [50] 50,16 unequal: No Solution Exploring Operation: 76*26=1976, Resulting Numbers: [1976] 1976,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 16:[52, 50], Operations: ['78-52=26', '76-26=50'] Exploring Operation: 52+50=102, Resulting Numbers: [102] 102,16 unequal: No Solution Exploring Operation: 52-50=2, Resulting Numbers: [2] 2,16 unequal: No Solution Exploring Operation: 52*50=2600, Resulting Numbers: [2600] 2600,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 16:[26, 128], Operations: ['78-52=26', '76+52=128'] Exploring Operation: 26*128=3328, Resulting Numbers: [3328] 3328,16 unequal: No Solution Exploring Operation: 26+128=154, Resulting Numbers: [154] 154,16 unequal: No Solution Exploring Operation: 128-26=102, Resulting Numbers: [102] 102,16 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: 16:[52, 76, 26], Operations: ['78-52=26'] Exploring Operation: 52+76=128, Resulting Numbers: [26, 128] Generated Node #0,3,0: 16:[26, 128] Operation: 52+76=128 Exploring Operation: 76-52=24, Resulting Numbers: [26, 24] Generated Node #0,3,1: 16:[26, 24] Operation: 76-52=24 Exploring Operation: 52-26=26, Resulting Numbers: [76, 26] Generated Node #0,3,2: 16:[76, 26] Operation: 52-26=26 Exploring Operation: 76-26=50, Resulting Numbers: [52, 50] Generated Node #0,3,3: 16:[52, 50] Operation: 76-26=50 Exploring Operation: 52/26=2, Resulting Numbers: [76, 2] Generated Node #0,3,4: 16:[76, 2] Operation: 52/26=2 Moving to Node #0,2,4 Current State: 16:[24, 26], Operations: ['76-52=24', '78-52=26'] Exploring Operation: 24*26=624, Resulting Numbers: [624] 624,16 unequal: No Solution Exploring Operation: 26-24=2, Resulting Numbers: [2] 2,16 unequal: No Solution Exploring Operation: 24+26=50, Resulting Numbers: [50] 50,16 unequal: No Solution Moving to Node #0,4,1 Current State: 16:[24, 26], Operations: ['76-52=24', '78-52=26'] Exploring Operation: 26-24=2, Resulting Numbers: [2] 2,16 unequal: No Solution Exploring Operation: 24+26=50, Resulting Numbers: [50] 50,16 unequal: No Solution Exploring Operation: 24*26=624, Resulting Numbers: [624] 624,16 unequal: No Solution Moving to Node #0,3,1 Current State: 16:[26, 24], Operations: ['78-52=26', '76-52=24'] Exploring Operation: 26+24=50, Resulting Numbers: [50] 50,16 unequal: No Solution Exploring Operation: 26*24=624, Resulting Numbers: [624] 624,16 unequal: No Solution Exploring Operation: 26-24=2, Resulting Numbers: [2] 2,16 unequal: No Solution Moving to Node #0,3,4 Current State: 16:[76, 2], Operations: ['78-52=26', '52/26=2'] Exploring Operation: 76/2=38, Resulting Numbers: [38] 38,16 unequal: No Solution Exploring Operation: 76-2=74, Resulting Numbers: [74] 74,16 unequal: No Solution Exploring Operation: 76+2=78, Resulting Numbers: [78] 78,16 unequal: No Solution Exploring Operation: 76*2=152, Resulting Numbers: [152] 152,16 unequal: No Solution Moving to Node #0,3,3 Current State: 16:[52, 50], Operations: ['78-52=26', '76-26=50'] Exploring Operation: 52+50=102, Resulting Numbers: [102] 102,16 unequal: No Solution Exploring Operation: 52-50=2, Resulting Numbers: [2] 2,16 unequal: No Solution Exploring Operation: 52*50=2600, Resulting Numbers: [2600] 2600,16 unequal: No Solution Moving to Node #0,3,2 Current State: 16:[76, 26], Operations: ['78-52=26', '52-26=26'] Exploring Operation: 76*26=1976, Resulting Numbers: [1976] 1976,16 unequal: No Solution Exploring Operation: 76-26=50, Resulting Numbers: [50] 50,16 unequal: No Solution Exploring Operation: 76+26=102, Resulting Numbers: [102] 102,16 unequal: No Solution Moving to Node #0,2,3 Current State: 16:[78, 28], Operations: ['76-52=24', '52-24=28'] Exploring Operation: 78+28=106, Resulting Numbers: [106] 106,16 unequal: No Solution Exploring Operation: 78*28=2184, Resulting Numbers: [2184] 2184,16 unequal: No Solution Exploring Operation: 78-28=50, Resulting Numbers: [50] 50,16 unequal: No Solution Moving to Node #0,2,2 Current State: 16:[52, 54], Operations: ['76-52=24', '78-24=54'] Exploring Operation: 52+54=106, Resulting Numbers: [106] 106,16 unequal: No Solution Exploring Operation: 52*54=2808, Resulting Numbers: [2808] 2808,16 unequal: No Solution Exploring Operation: 54-52=2, Resulting Numbers: [2] 2,16 unequal: No Solution Moving to Node #0,4,2 Current State: 16:[52, 54], Operations: ['76-52=24', '78-24=54'] Exploring Operation: 54-52=2, Resulting Numbers: [2] 2,16 unequal: No Solution Exploring Operation: 52+54=106, Resulting Numbers: [106] 106,16 unequal: No Solution Exploring Operation: 52*54=2808, Resulting Numbers: [2808] 2808,16 unequal: No Solution Moving to Node #0,4,3 Current State: 16:[78, 28], Operations: ['76-52=24', '52-24=28'] Exploring Operation: 78+28=106, Resulting Numbers: [106] 106,16 unequal: No Solution Exploring Operation: 78-28=50, Resulting Numbers: [50] 50,16 unequal: No Solution Exploring Operation: 78*28=2184, Resulting Numbers: [2184] 2184,16 unequal: No Solution Moving to Node #0,3,0 Current State: 16:[26, 128], Operations: ['78-52=26', '52+76=128'] Exploring Operation: 26+128=154, Resulting Numbers: [154] 154,16 unequal: No Solution Exploring Operation: 26*128=3328, Resulting Numbers: [3328] 3328,16 unequal: No Solution Exploring Operation: 128-26=102, Resulting Numbers: [102] 102,16 unequal: No Solution Moving to Node #0,2,1 Current State: 16:[24, 130], Operations: ['76-52=24', '52+78=130'] Exploring Operation: 24*130=3120, Resulting Numbers: [3120] 3120,16 unequal: No Solution Exploring Operation: 24+130=154, Resulting Numbers: [154] 154,16 unequal: No Solution Exploring Operation: 130-24=106, Resulting Numbers: [106] 106,16 unequal: No Solution Moving to Node #0,4,4 Current State: 16:[24, 130], Operations: ['76-52=24', '78+52=130'] Exploring Operation: 24+130=154, Resulting Numbers: [154] 154,16 unequal: No Solution Exploring Operation: 24*130=3120, Resulting Numbers: [3120] 3120,16 unequal: No Solution Exploring Operation: 130-24=106, Resulting Numbers: [106] 106,16 unequal: No Solution Moving to Node #0,4,0 Current State: 16:[52, 102], Operations: ['76-52=24', '78+24=102'] Exploring Operation: 102-52=50, Resulting Numbers: [50] 50,16 unequal: No Solution Exploring Operation: 52*102=5304, Resulting Numbers: [5304] 5304,16 unequal: No Solution Exploring Operation: 52+102=154, Resulting Numbers: [154] 154,16 unequal: No Solution Moving to Node #0,2,0 Current State: 16:[78, 76], Operations: ['76-52=24', '52+24=76'] Exploring Operation: 78-76=2, Resulting Numbers: [2] 2,16 unequal: No Solution Exploring Operation: 78*76=5928, Resulting Numbers: [5928] 5928,16 unequal: No Solution Exploring Operation: 78+76=154, Resulting Numbers: [154] 154,16 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 53, 53, 57, 3 ]
20
[ "53/53=1", "57/3=19", "1+19=20" ]
Current State: 20:[53, 53, 57, 3], Operations: [] Exploring Operation: 53/53=1, Resulting Numbers: [57, 3, 1] Generated Node #2: [57, 3, 1] from Operation: 53/53=1 Current State: 20:[57, 3, 1], Operations: ['53/53=1'] Exploring Operation: 57/3=19, Resulting Numbers: [1, 19] Generated Node #3: [1, 19] from Operation: 57/3=19 Current State: 20:[1, 19], Operations: ['53/53=1', '57/3=19'] Exploring Operation: 1+19=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[53, 53, 57, 3], Operations: [] Exploring Operation: 57-53=4, Resulting Numbers: [53, 3, 4] Generated Node #0,0: 20:[53, 3, 4] Operation: 57-53=4 Exploring Operation: 57-53=4, Resulting Numbers: [53, 3, 4] Generated Node #0,1: 20:[53, 3, 4] Operation: 57-53=4 Moving to Node #0,0 Current State: 20:[53, 3, 4], Operations: ['57-53=4'] Exploring Operation: 53-4=49, Resulting Numbers: [3, 49] Generated Node #0,0,0: 20:[3, 49] Operation: 53-4=49 Exploring Operation: 53-3=50, Resulting Numbers: [4, 50] Generated Node #0,0,1: 20:[4, 50] Operation: 53-3=50 Moving to Node #0,1 Current State: 20:[53, 3, 4], Operations: ['57-53=4'] Exploring Operation: 53-3=50, Resulting Numbers: [4, 50] Generated Node #0,1,0: 20:[4, 50] Operation: 53-3=50 Exploring Operation: 53-4=49, Resulting Numbers: [3, 49] Generated Node #0,1,1: 20:[3, 49] Operation: 53-4=49 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 20:[4, 50], Operations: ['57-53=4', '53-3=50'] Exploring Operation: 4+50=54, Resulting Numbers: [54] 54,20 unequal: No Solution Exploring Operation: 50-4=46, Resulting Numbers: [46] 46,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 20:[3, 49], Operations: ['57-53=4', '53-4=49'] Exploring Operation: 49-3=46, Resulting Numbers: [46] 46,20 unequal: No Solution Exploring Operation: 3+49=52, Resulting Numbers: [52] 52,20 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: 20:[3, 49], Operations: ['57-53=4', '53-4=49'] Exploring Operation: 49-3=46, Resulting Numbers: [46] 46,20 unequal: No Solution Exploring Operation: 3+49=52, Resulting Numbers: [52] 52,20 unequal: No Solution Moving to Node #0,0,1 Current State: 20:[4, 50], Operations: ['57-53=4', '53-3=50'] Exploring Operation: 4+50=54, Resulting Numbers: [54] 54,20 unequal: No Solution Exploring Operation: 50-4=46, Resulting Numbers: [46] 46,20 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 53, 79, 6, 40 ]
62
[ "53+79=132", "132/6=22", "40+22=62" ]
Current State: 62:[53, 79, 6, 40], Operations: [] Exploring Operation: 53+79=132, Resulting Numbers: [6, 40, 132] Generated Node #2: [6, 40, 132] from Operation: 53+79=132 Current State: 62:[6, 40, 132], Operations: ['53+79=132'] Exploring Operation: 132/6=22, Resulting Numbers: [40, 22] Generated Node #3: [40, 22] from Operation: 132/6=22 Current State: 62:[40, 22], Operations: ['53+79=132', '132/6=22'] Exploring Operation: 40+22=62, Resulting Numbers: [62] 62,62 equal: Goal Reached
4
Current State: 62:[53, 79, 6, 40], Operations: [] Exploring Operation: 79-6=73, Resulting Numbers: [53, 40, 73] Generated Node #0,0: 62:[53, 40, 73] Operation: 79-6=73 Exploring Operation: 53+6=59, Resulting Numbers: [79, 40, 59] Generated Node #0,1: 62:[79, 40, 59] Operation: 53+6=59 Exploring Operation: 79-40=39, Resulting Numbers: [53, 6, 39] Generated Node #0,2: 62:[53, 6, 39] Operation: 79-40=39 Exploring Operation: 79-53=26, Resulting Numbers: [6, 40, 26] Generated Node #0,3: 62:[6, 40, 26] Operation: 79-53=26 Moving to Node #0,3 Current State: 62:[6, 40, 26], Operations: ['79-53=26'] Exploring Operation: 6+26=32, Resulting Numbers: [40, 32] Generated Node #0,3,0: 62:[40, 32] Operation: 6+26=32 Exploring Operation: 40+26=66, Resulting Numbers: [6, 66] Generated Node #0,3,1: 62:[6, 66] Operation: 40+26=66 Exploring Operation: 40-6=34, Resulting Numbers: [26, 34] Generated Node #0,3,2: 62:[26, 34] Operation: 40-6=34 Exploring Operation: 40-26=14, Resulting Numbers: [6, 14] Generated Node #0,3,3: 62:[6, 14] Operation: 40-26=14 Moving to Node #0,2 Current State: 62:[53, 6, 39], Operations: ['79-40=39'] Exploring Operation: 53-6=47, Resulting Numbers: [39, 47] Generated Node #0,2,0: 62:[39, 47] Operation: 53-6=47 Exploring Operation: 39-6=33, Resulting Numbers: [53, 33] Generated Node #0,2,1: 62:[53, 33] Operation: 39-6=33 Exploring Operation: 53+6=59, Resulting Numbers: [39, 59] Generated Node #0,2,2: 62:[39, 59] Operation: 53+6=59 Exploring Operation: 53-39=14, Resulting Numbers: [6, 14] Generated Node #0,2,3: 62:[6, 14] Operation: 53-39=14 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 62:[53, 33], Operations: ['79-40=39', '39-6=33'] Exploring Operation: 53+33=86, Resulting Numbers: [86] 86,62 unequal: No Solution Exploring Operation: 53*33=1749, Resulting Numbers: [1749] 1749,62 unequal: No Solution Exploring Operation: 53-33=20, Resulting Numbers: [20] 20,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 62:[39, 59], Operations: ['79-40=39', '53+6=59'] Exploring Operation: 59-39=20, Resulting Numbers: [20] 20,62 unequal: No Solution Exploring Operation: 39*59=2301, Resulting Numbers: [2301] 2301,62 unequal: No Solution Exploring Operation: 39+59=98, Resulting Numbers: [98] 98,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 62:[6, 14], Operations: ['79-40=39', '53-39=14'] Exploring Operation: 6+14=20, Resulting Numbers: [20] 20,62 unequal: No Solution Exploring Operation: 6*14=84, Resulting Numbers: [84] 84,62 unequal: No Solution Exploring Operation: 14-6=8, Resulting Numbers: [8] 8,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 62:[39, 47], Operations: ['79-40=39', '53-6=47'] Exploring Operation: 39+47=86, Resulting Numbers: [86] 86,62 unequal: No Solution Exploring Operation: 47-39=8, Resulting Numbers: [8] 8,62 unequal: No Solution Exploring Operation: 39*47=1833, Resulting Numbers: [1833] 1833,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 62:[79, 40, 59], Operations: ['53+6=59'] Exploring Operation: 79-59=20, Resulting Numbers: [40, 20] Generated Node #0,1,0: 62:[40, 20] Operation: 79-59=20 Exploring Operation: 79-40=39, Resulting Numbers: [59, 39] Generated Node #0,1,1: 62:[59, 39] Operation: 79-40=39 Exploring Operation: 59-40=19, Resulting Numbers: [79, 19] Generated Node #0,1,2: 62:[79, 19] Operation: 59-40=19 Exploring Operation: 40+59=99, Resulting Numbers: [79, 99] Generated Node #0,1,3: 62:[79, 99] Operation: 40+59=99 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 62:[59, 39], Operations: ['53+6=59', '79-40=39'] Exploring Operation: 59-39=20, Resulting Numbers: [20] 20,62 unequal: No Solution Exploring Operation: 59*39=2301, Resulting Numbers: [2301] 2301,62 unequal: No Solution Exploring Operation: 59+39=98, Resulting Numbers: [98] 98,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 62:[40, 20], Operations: ['53+6=59', '79-59=20'] Exploring Operation: 40*20=800, Resulting Numbers: [800] 800,62 unequal: No Solution Exploring Operation: 40-20=20, Resulting Numbers: [20] 20,62 unequal: No Solution Exploring Operation: 40/20=2, Resulting Numbers: [2] 2,62 unequal: No Solution Exploring Operation: 40+20=60, Resulting Numbers: [60] 60,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 62:[79, 19], Operations: ['53+6=59', '59-40=19'] Exploring Operation: 79*19=1501, Resulting Numbers: [1501] 1501,62 unequal: No Solution Exploring Operation: 79+19=98, Resulting Numbers: [98] 98,62 unequal: No Solution Exploring Operation: 79-19=60, Resulting Numbers: [60] 60,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 62:[79, 99], Operations: ['53+6=59', '40+59=99'] Exploring Operation: 79*99=7821, Resulting Numbers: [7821] 7821,62 unequal: No Solution Exploring Operation: 79+99=178, Resulting Numbers: [178] 178,62 unequal: No Solution Exploring Operation: 99-79=20, Resulting Numbers: [20] 20,62 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: 62:[53, 40, 73], Operations: ['79-6=73'] Exploring Operation: 53+40=93, Resulting Numbers: [73, 93] Generated Node #0,0,0: 62:[73, 93] Operation: 53+40=93 Exploring Operation: 53-40=13, Resulting Numbers: [73, 13] Generated Node #0,0,1: 62:[73, 13] Operation: 53-40=13 Exploring Operation: 73-40=33, Resulting Numbers: [53, 33] Generated Node #0,0,2: 62:[53, 33] Operation: 73-40=33 Exploring Operation: 73-53=20, Resulting Numbers: [40, 20] Generated Node #0,0,3: 62:[40, 20] Operation: 73-53=20 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 62:[53, 33], Operations: ['79-6=73', '73-40=33'] Exploring Operation: 53+33=86, Resulting Numbers: [86] 86,62 unequal: No Solution Exploring Operation: 53-33=20, Resulting Numbers: [20] 20,62 unequal: No Solution Exploring Operation: 53*33=1749, Resulting Numbers: [1749] 1749,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 62:[40, 20], Operations: ['79-6=73', '73-53=20'] Exploring Operation: 40/20=2, Resulting Numbers: [2] 2,62 unequal: No Solution Exploring Operation: 40*20=800, Resulting Numbers: [800] 800,62 unequal: No Solution Exploring Operation: 40-20=20, Resulting Numbers: [20] 20,62 unequal: No Solution Exploring Operation: 40+20=60, Resulting Numbers: [60] 60,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 62:[73, 13], Operations: ['79-6=73', '53-40=13'] Exploring Operation: 73*13=949, Resulting Numbers: [949] 949,62 unequal: No Solution Exploring Operation: 73+13=86, Resulting Numbers: [86] 86,62 unequal: No Solution Exploring Operation: 73-13=60, Resulting Numbers: [60] 60,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 62:[73, 93], Operations: ['79-6=73', '53+40=93'] Exploring Operation: 73+93=166, Resulting Numbers: [166] 166,62 unequal: No Solution Exploring Operation: 93-73=20, Resulting Numbers: [20] 20,62 unequal: No Solution Exploring Operation: 73*93=6789, Resulting Numbers: [6789] 6789,62 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: 62:[6, 66], Operations: ['79-53=26', '40+26=66'] Exploring Operation: 66/6=11, Resulting Numbers: [11] 11,62 unequal: No Solution Exploring Operation: 66-6=60, Resulting Numbers: [60] 60,62 unequal: No Solution Exploring Operation: 6+66=72, Resulting Numbers: [72] 72,62 unequal: No Solution Exploring Operation: 6*66=396, Resulting Numbers: [396] 396,62 unequal: No Solution Moving to Node #0,3,2 Current State: 62:[26, 34], Operations: ['79-53=26', '40-6=34'] Exploring Operation: 26+34=60, Resulting Numbers: [60] 60,62 unequal: No Solution Exploring Operation: 34-26=8, Resulting Numbers: [8] 8,62 unequal: No Solution Exploring Operation: 26*34=884, Resulting Numbers: [884] 884,62 unequal: No Solution Moving to Node #0,3,0 Current State: 62:[40, 32], Operations: ['79-53=26', '6+26=32'] Exploring Operation: 40+32=72, Resulting Numbers: [72] 72,62 unequal: No Solution Exploring Operation: 40*32=1280, Resulting Numbers: [1280] 1280,62 unequal: No Solution Exploring Operation: 40-32=8, Resulting Numbers: [8] 8,62 unequal: No Solution Moving to Node #0,3,3 Current State: 62:[6, 14], Operations: ['79-53=26', '40-26=14'] Exploring Operation: 6*14=84, Resulting Numbers: [84] 84,62 unequal: No Solution Exploring Operation: 14-6=8, Resulting Numbers: [8] 8,62 unequal: No Solution Exploring Operation: 6+14=20, Resulting Numbers: [20] 20,62 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 83, 83, 5, 76 ]
72
[ "83/83=1", "76-5=71", "1+71=72" ]
Current State: 72:[83, 83, 5, 76], Operations: [] Exploring Operation: 83/83=1, Resulting Numbers: [5, 76, 1] Generated Node #2: [5, 76, 1] from Operation: 83/83=1 Current State: 72:[5, 76, 1], Operations: ['83/83=1'] Exploring Operation: 76-5=71, Resulting Numbers: [1, 71] Generated Node #3: [1, 71] from Operation: 76-5=71 Current State: 72:[1, 71], Operations: ['83/83=1', '76-5=71'] Exploring Operation: 1+71=72, Resulting Numbers: [72] 72,72 equal: Goal Reached
4
Current State: 72:[83, 83, 5, 76], Operations: [] Exploring Operation: 83/83=1, Resulting Numbers: [5, 76, 1] Generated Node #0,0: 72:[5, 76, 1] Operation: 83/83=1 Moving to Node #0,0 Current State: 72:[5, 76, 1], Operations: ['83/83=1'] Exploring Operation: 76-5=71, Resulting Numbers: [1, 71] Generated Node #0,0,0: 72:[1, 71] Operation: 76-5=71 Moving to Node #0,0,0 Current State: 72:[1, 71], Operations: ['83/83=1', '76-5=71'] Exploring Operation: 1+71=72, Resulting Numbers: [72] 72,72 equal: Goal Reached Moving to Node #0 Current State: 72:[83, 83, 5, 76], Operations: [] Exploring Operation: 83/83=1, Resulting Numbers: [5, 76, 1] Generated Node #0,0: 72:[5, 76, 1] Operation: 83/83=1 Moving to Node #0,0 Current State: 72:[5, 76, 1], Operations: ['83/83=1'] Exploring Operation: 76-5=71, Resulting Numbers: [1, 71] Generated Node #0,0,0: 72:[1, 71] Operation: 76-5=71 Moving to Node #0,0,0 Current State: 72:[1, 71], Operations: ['83/83=1', '76-5=71'] Exploring Operation: 1+71=72, Resulting Numbers: [72] 72,72 equal: Goal Reached
0.993924
hs_1
mult_heuristic