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
[ 84, 86, 74, 25 ]
51
[ "86-84=2", "74-25=49", "2+49=51" ]
Current State: 51:[84, 86, 74, 25], Operations: [] Exploring Operation: 86-84=2, Resulting Numbers: [74, 25, 2] Generated Node #2: [74, 25, 2] from Operation: 86-84=2 Current State: 51:[74, 25, 2], Operations: ['86-84=2'] Exploring Operation: 74-25=49, Resulting Numbers: [2, 49] Generated Node #3: [2, 49] from Operation: 74-25=49 Current State: 51:[2, 49], Operations: ['86-84=2', '74-25=49'] Exploring Operation: 2+49=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[84, 86, 74, 25], Operations: [] Exploring Operation: 86-84=2, Resulting Numbers: [74, 25, 2] Generated Node #0,0: 51:[74, 25, 2] Operation: 86-84=2 Start Sub Search at level 1: Moving to Node #0,0 Current State: 51:[74, 25, 2], Operations: ['86-84=2'] Exploring Operation: 74-25=49, Resulting Numbers: [2, 49] Generated Node #0,0,0: 51:[2, 49] Operation: 74-25=49 Moving to Node #0,0,0 Current State: 51:[2, 49], Operations: ['86-84=2', '74-25=49'] Exploring Operation: 2+49=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Moving to Node #0 Current State: 51:[84, 86, 74, 25], Operations: [] Exploring Operation: 86-84=2, Resulting Numbers: [74, 25, 2] Generated Node #0,0: 51:[74, 25, 2] Operation: 86-84=2 Moving to Node #0,0 Current State: 51:[74, 25, 2], Operations: ['86-84=2'] Exploring Operation: 74-25=49, Resulting Numbers: [2, 49] Generated Node #0,0,0: 51:[2, 49] Operation: 74-25=49 Moving to Node #0,0,0 Current State: 51:[2, 49], Operations: ['86-84=2', '74-25=49'] Exploring Operation: 2+49=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 34, 31, 51, 2 ]
15
[ "34-31=3", "51/3=17", "17-2=15" ]
Current State: 15:[34, 31, 51, 2], Operations: [] Exploring Operation: 34-31=3, Resulting Numbers: [51, 2, 3] Generated Node #2: [51, 2, 3] from Operation: 34-31=3 Current State: 15:[51, 2, 3], Operations: ['34-31=3'] Exploring Operation: 51/3=17, Resulting Numbers: [2, 17] Generated Node #3: [2, 17] from Operation: 51/3=17 Current State: 15:[2, 17], Operations: ['34-31=3', '51/3=17'] Exploring Operation: 17-2=15, Resulting Numbers: [15] 15,15 equal: Goal Reached
4
Current State: 15:[34, 31, 51, 2], Operations: [] Exploring Operation: 51-34=17, Resulting Numbers: [31, 2, 17] Generated Node #0,0: 15:[31, 2, 17] Operation: 51-34=17 Exploring Operation: 51-31=20, Resulting Numbers: [34, 2, 20] Generated Node #0,1: 15:[34, 2, 20] Operation: 51-31=20 Exploring Operation: 34/2=17, Resulting Numbers: [31, 51, 17] Generated Node #0,2: 15:[31, 51, 17] Operation: 34/2=17 Exploring Operation: 34-31=3, Resulting Numbers: [51, 2, 3] Generated Node #0,3: 15:[51, 2, 3] Operation: 34-31=3 Start Sub Search at level 1: Moving to Node #0,0 Current State: 15:[31, 2, 17], Operations: ['51-34=17'] Exploring Operation: 31-2=29, Resulting Numbers: [17, 29] Generated Node #0,0,0: 15:[17, 29] Operation: 31-2=29 Exploring Operation: 31-17=14, Resulting Numbers: [2, 14] Generated Node #0,0,1: 15:[2, 14] Operation: 31-17=14 Exploring Operation: 31+2=33, Resulting Numbers: [17, 33] Generated Node #0,0,2: 15:[17, 33] Operation: 31+2=33 Exploring Operation: 17-2=15, Resulting Numbers: [31, 15] Generated Node #0,0,3: 15:[31, 15] Operation: 17-2=15 Moving to Node #0,0,1 Current State: 15:[2, 14], Operations: ['51-34=17', '31-17=14'] Exploring Operation: 2+14=16, Resulting Numbers: [16] 16,15 unequal: No Solution Exploring Operation: 2*14=28, Resulting Numbers: [28] 28,15 unequal: No Solution Exploring Operation: 14-2=12, Resulting Numbers: [12] 12,15 unequal: No Solution Exploring Operation: 14/2=7, Resulting Numbers: [7] 7,15 unequal: No Solution Moving to Node #0,0,3 Current State: 15:[31, 15], Operations: ['51-34=17', '17-2=15'] Exploring Operation: 31-15=16, Resulting Numbers: [16] 16,15 unequal: No Solution Exploring Operation: 31*15=465, Resulting Numbers: [465] 465,15 unequal: No Solution Exploring Operation: 31+15=46, Resulting Numbers: [46] 46,15 unequal: No Solution Moving to Node #0,0,0 Current State: 15:[17, 29], Operations: ['51-34=17', '31-2=29'] Exploring Operation: 29-17=12, Resulting Numbers: [12] 12,15 unequal: No Solution Exploring Operation: 17+29=46, Resulting Numbers: [46] 46,15 unequal: No Solution Exploring Operation: 17*29=493, Resulting Numbers: [493] 493,15 unequal: No Solution Moving to Node #0,0,2 Current State: 15:[17, 33], Operations: ['51-34=17', '31+2=33'] Exploring Operation: 17*33=561, Resulting Numbers: [561] 561,15 unequal: No Solution Exploring Operation: 17+33=50, Resulting Numbers: [50] 50,15 unequal: No Solution Exploring Operation: 33-17=16, Resulting Numbers: [16] 16,15 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 15:[34, 2, 20], Operations: ['51-31=20'] Exploring Operation: 34-20=14, Resulting Numbers: [2, 14] Generated Node #0,1,0: 15:[2, 14] Operation: 34-20=14 Exploring Operation: 34/2=17, Resulting Numbers: [20, 17] Generated Node #0,1,1: 15:[20, 17] Operation: 34/2=17 Exploring Operation: 34-2=32, Resulting Numbers: [20, 32] Generated Node #0,1,2: 15:[20, 32] Operation: 34-2=32 Exploring Operation: 20-2=18, Resulting Numbers: [34, 18] Generated Node #0,1,3: 15:[34, 18] Operation: 20-2=18 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 15:[2, 14], Operations: ['51-31=20', '34-20=14'] Exploring Operation: 14/2=7, Resulting Numbers: [7] 7,15 unequal: No Solution Exploring Operation: 14-2=12, Resulting Numbers: [12] 12,15 unequal: No Solution Exploring Operation: 2*14=28, Resulting Numbers: [28] 28,15 unequal: No Solution Exploring Operation: 2+14=16, Resulting Numbers: [16] 16,15 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 15:[20, 17], Operations: ['51-31=20', '34/2=17'] Exploring Operation: 20-17=3, Resulting Numbers: [3] 3,15 unequal: No Solution Exploring Operation: 20+17=37, Resulting Numbers: [37] 37,15 unequal: No Solution Exploring Operation: 20*17=340, Resulting Numbers: [340] 340,15 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 15:[20, 32], Operations: ['51-31=20', '34-2=32'] Exploring Operation: 20*32=640, Resulting Numbers: [640] 640,15 unequal: No Solution Exploring Operation: 20+32=52, Resulting Numbers: [52] 52,15 unequal: No Solution Exploring Operation: 32-20=12, Resulting Numbers: [12] 12,15 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 15:[34, 18], Operations: ['51-31=20', '20-2=18'] Exploring Operation: 34-18=16, Resulting Numbers: [16] 16,15 unequal: No Solution Exploring Operation: 34+18=52, Resulting Numbers: [52] 52,15 unequal: No Solution Exploring Operation: 34*18=612, Resulting Numbers: [612] 612,15 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: 15:[51, 2, 3], Operations: ['34-31=3'] Exploring Operation: 51/3=17, Resulting Numbers: [2, 17] Generated Node #0,3,0: 15:[2, 17] Operation: 51/3=17 Exploring Operation: 51-3=48, Resulting Numbers: [2, 48] Generated Node #0,3,1: 15:[2, 48] Operation: 51-3=48 Exploring Operation: 51-2=49, Resulting Numbers: [3, 49] Generated Node #0,3,2: 15:[3, 49] Operation: 51-2=49 Exploring Operation: 2+3=5, Resulting Numbers: [51, 5] Generated Node #0,3,3: 15:[51, 5] Operation: 2+3=5 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 15:[2, 17], Operations: ['34-31=3', '51/3=17'] Exploring Operation: 17-2=15, Resulting Numbers: [15] 15,15 equal: Goal Reached Moving to Node #0 Current State: 15:[34, 31, 51, 2], Operations: [] Exploring Operation: 34-31=3, Resulting Numbers: [51, 2, 3] Generated Node #0,3: 15:[51, 2, 3] Operation: 34-31=3 Moving to Node #0,3 Current State: 15:[51, 2, 3], Operations: ['34-31=3'] Exploring Operation: 51/3=17, Resulting Numbers: [2, 17] Generated Node #0,3,0: 15:[2, 17] Operation: 51/3=17 Moving to Node #0,3,0 Current State: 15:[2, 17], Operations: ['34-31=3', '51/3=17'] Exploring Operation: 17-2=15, Resulting Numbers: [15] 15,15 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.959201
hs_4
sum_heuristic
[ 10, 61, 60, 32 ]
35
[ "60/10=6", "61-32=29", "6+29=35" ]
Current State: 35:[10, 61, 60, 32], Operations: [] Exploring Operation: 60/10=6, Resulting Numbers: [61, 32, 6] Generated Node #2: [61, 32, 6] from Operation: 60/10=6 Current State: 35:[61, 32, 6], Operations: ['60/10=6'] Exploring Operation: 61-32=29, Resulting Numbers: [6, 29] Generated Node #3: [6, 29] from Operation: 61-32=29 Current State: 35:[6, 29], Operations: ['60/10=6', '61-32=29'] Exploring Operation: 6+29=35, Resulting Numbers: [35] 35,35 equal: Goal Reached
4
Current State: 35:[10, 61, 60, 32], Operations: [] Exploring Operation: 60/10=6, Resulting Numbers: [61, 32, 6] Generated Node #0,0: 35:[61, 32, 6] Operation: 60/10=6 Exploring Operation: 60-32=28, Resulting Numbers: [10, 61, 28] Generated Node #0,1: 35:[10, 61, 28] Operation: 60-32=28 Exploring Operation: 61-10=51, Resulting Numbers: [60, 32, 51] Generated Node #0,2: 35:[60, 32, 51] Operation: 61-10=51 Exploring Operation: 61-60=1, Resulting Numbers: [10, 32, 1] Generated Node #0,3: 35:[10, 32, 1] Operation: 61-60=1 Exploring Operation: 61-32=29, Resulting Numbers: [10, 60, 29] Generated Node #0,4: 35:[10, 60, 29] Operation: 61-32=29 Start Sub Search at level 1: Moving to Node #0,3 Current State: 35:[10, 32, 1], Operations: ['61-60=1'] Exploring Operation: 32*1=32, Resulting Numbers: [10, 32] Generated Node #0,3,0: 35:[10, 32] Operation: 32*1=32 Exploring Operation: 10*1=10, Resulting Numbers: [32, 10] Generated Node #0,3,1: 35:[32, 10] Operation: 10*1=10 Exploring Operation: 10-1=9, Resulting Numbers: [32, 9] Generated Node #0,3,2: 35:[32, 9] Operation: 10-1=9 Exploring Operation: 10/1=10, Resulting Numbers: [32, 10] Generated Node #0,3,3: 35:[32, 10] Operation: 10/1=10 Exploring Operation: 32+1=33, Resulting Numbers: [10, 33] Generated Node #0,3,4: 35:[10, 33] Operation: 32+1=33 Moving to Node #0,3,2 Current State: 35:[32, 9], Operations: ['61-60=1', '10-1=9'] Exploring Operation: 32-9=23, Resulting Numbers: [23] 23,35 unequal: No Solution Exploring Operation: 32*9=288, Resulting Numbers: [288] 288,35 unequal: No Solution Exploring Operation: 32+9=41, Resulting Numbers: [41] 41,35 unequal: No Solution Moving to Node #0,3,4 Current State: 35:[10, 33], Operations: ['61-60=1', '32+1=33'] Exploring Operation: 33-10=23, Resulting Numbers: [23] 23,35 unequal: No Solution Exploring Operation: 10*33=330, Resulting Numbers: [330] 330,35 unequal: No Solution Exploring Operation: 10+33=43, Resulting Numbers: [43] 43,35 unequal: No Solution Moving to Node #0,3,0 Current State: 35:[10, 32], Operations: ['61-60=1', '32*1=32'] Exploring Operation: 32-10=22, Resulting Numbers: [22] 22,35 unequal: No Solution Exploring Operation: 10*32=320, Resulting Numbers: [320] 320,35 unequal: No Solution Exploring Operation: 10+32=42, Resulting Numbers: [42] 42,35 unequal: No Solution Moving to Node #0,3,1 Current State: 35:[32, 10], Operations: ['61-60=1', '10*1=10'] Exploring Operation: 32+10=42, Resulting Numbers: [42] 42,35 unequal: No Solution Exploring Operation: 32-10=22, Resulting Numbers: [22] 22,35 unequal: No Solution Exploring Operation: 32*10=320, Resulting Numbers: [320] 320,35 unequal: No Solution Moving to Node #0,3,3 Current State: 35:[32, 10], Operations: ['61-60=1', '10/1=10'] Exploring Operation: 32+10=42, Resulting Numbers: [42] 42,35 unequal: No Solution Exploring Operation: 32-10=22, Resulting Numbers: [22] 22,35 unequal: No Solution Exploring Operation: 32*10=320, Resulting Numbers: [320] 320,35 unequal: No Solution No solution 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: 35:[61, 32, 6], Operations: ['60/10=6'] Exploring Operation: 32+6=38, Resulting Numbers: [61, 38] Generated Node #0,0,0: 35:[61, 38] Operation: 32+6=38 Exploring Operation: 61-6=55, Resulting Numbers: [32, 55] Generated Node #0,0,1: 35:[32, 55] Operation: 61-6=55 Exploring Operation: 61-32=29, Resulting Numbers: [6, 29] Generated Node #0,0,2: 35:[6, 29] Operation: 61-32=29 Exploring Operation: 61+6=67, Resulting Numbers: [32, 67] Generated Node #0,0,3: 35:[32, 67] Operation: 61+6=67 Exploring Operation: 32-6=26, Resulting Numbers: [61, 26] Generated Node #0,0,4: 35:[61, 26] Operation: 32-6=26 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 35:[6, 29], Operations: ['60/10=6', '61-32=29'] Exploring Operation: 29-6=23, Resulting Numbers: [23] 23,35 unequal: No Solution Exploring Operation: 6*29=174, Resulting Numbers: [174] 174,35 unequal: No Solution Exploring Operation: 6+29=35, Resulting Numbers: [35] 35,35 equal: Goal Reached Moving to Node #0 Current State: 35:[10, 61, 60, 32], Operations: [] Exploring Operation: 60/10=6, Resulting Numbers: [61, 32, 6] Generated Node #0,0: 35:[61, 32, 6] Operation: 60/10=6 Moving to Node #0,0 Current State: 35:[61, 32, 6], Operations: ['60/10=6'] Exploring Operation: 61-32=29, Resulting Numbers: [6, 29] Generated Node #0,0,2: 35:[6, 29] Operation: 61-32=29 Moving to Node #0,0,2 Current State: 35:[6, 29], Operations: ['60/10=6', '61-32=29'] Exploring Operation: 6+29=35, Resulting Numbers: [35] 35,35 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.967882
hs_5
sum_heuristic
[ 73, 45, 38, 79 ]
89
[ "73-45=28", "38+79=117", "117-28=89" ]
Current State: 89:[73, 45, 38, 79], Operations: [] Exploring Operation: 73-45=28, Resulting Numbers: [38, 79, 28] Generated Node #2: [38, 79, 28] from Operation: 73-45=28 Current State: 89:[38, 79, 28], Operations: ['73-45=28'] Exploring Operation: 38+79=117, Resulting Numbers: [28, 117] Generated Node #3: [28, 117] from Operation: 38+79=117 Current State: 89:[28, 117], Operations: ['73-45=28', '38+79=117'] Exploring Operation: 117-28=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
4
Current State: 89:[73, 45, 38, 79], Operations: [] Exploring Operation: 45+38=83, Resulting Numbers: [73, 79, 83] Generated Node #0,0: 89:[73, 79, 83] Operation: 45+38=83 Moving to Node #0,0 Current State: 89:[73, 79, 83], Operations: ['45+38=83'] Exploring Operation: 73+79=152, Resulting Numbers: [83, 152] Generated Node #0,0,0: 89:[83, 152] Operation: 73+79=152 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 89:[83, 152], Operations: ['45+38=83', '73+79=152'] Exploring Operation: 152-83=69, Resulting Numbers: [69] 69,89 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
[ 49, 90, 16, 76 ]
79
[ "49+90=139", "76-16=60", "139-60=79" ]
Current State: 79:[49, 90, 16, 76], Operations: [] Exploring Operation: 49+90=139, Resulting Numbers: [16, 76, 139] Generated Node #2: [16, 76, 139] from Operation: 49+90=139 Current State: 79:[16, 76, 139], Operations: ['49+90=139'] Exploring Operation: 76-16=60, Resulting Numbers: [139, 60] Generated Node #3: [139, 60] from Operation: 76-16=60 Current State: 79:[139, 60], Operations: ['49+90=139', '76-16=60'] Exploring Operation: 139-60=79, Resulting Numbers: [79] 79,79 equal: Goal Reached
4
Current State: 79:[49, 90, 16, 76], Operations: [] Exploring Operation: 90+16=106, Resulting Numbers: [49, 76, 106] Generated Node #0,0: 79:[49, 76, 106] Operation: 90+16=106 Exploring Operation: 49+16=65, Resulting Numbers: [90, 76, 65] Generated Node #0,1: 79:[90, 76, 65] Operation: 49+16=65 Exploring Operation: 16+76=92, Resulting Numbers: [49, 90, 92] Generated Node #0,2: 79:[49, 90, 92] Operation: 16+76=92 Exploring Operation: 90-16=74, Resulting Numbers: [49, 76, 74] Generated Node #0,3: 79:[49, 76, 74] Operation: 90-16=74 Exploring Operation: 49-16=33, Resulting Numbers: [90, 76, 33] Generated Node #0,4: 79:[90, 76, 33] Operation: 49-16=33 Start Sub Search at level 1: Moving to Node #0,1 Current State: 79:[90, 76, 65], Operations: ['49+16=65'] Exploring Operation: 90-65=25, Resulting Numbers: [76, 25] Generated Node #0,1,0: 79:[76, 25] Operation: 90-65=25 Exploring Operation: 76-65=11, Resulting Numbers: [90, 11] Generated Node #0,1,1: 79:[90, 11] Operation: 76-65=11 Exploring Operation: 90+65=155, Resulting Numbers: [76, 155] Generated Node #0,1,2: 79:[76, 155] Operation: 90+65=155 Exploring Operation: 76+65=141, Resulting Numbers: [90, 141] Generated Node #0,1,3: 79:[90, 141] Operation: 76+65=141 Exploring Operation: 90-76=14, Resulting Numbers: [65, 14] Generated Node #0,1,4: 79:[65, 14] Operation: 90-76=14 Moving to Node #0,1,0 Current State: 79:[76, 25], Operations: ['49+16=65', '90-65=25'] Exploring Operation: 76-25=51, Resulting Numbers: [51] 51,79 unequal: No Solution Exploring Operation: 76+25=101, Resulting Numbers: [101] 101,79 unequal: No Solution Exploring Operation: 76*25=1900, Resulting Numbers: [1900] 1900,79 unequal: No Solution Moving to Node #0,1,3 Current State: 79:[90, 141], Operations: ['49+16=65', '76+65=141'] Exploring Operation: 141-90=51, Resulting Numbers: [51] 51,79 unequal: No Solution Exploring Operation: 90+141=231, Resulting Numbers: [231] 231,79 unequal: No Solution Exploring Operation: 90*141=12690, Resulting Numbers: [12690] 12690,79 unequal: No Solution Moving to Node #0,1,1 Current State: 79:[90, 11], Operations: ['49+16=65', '76-65=11'] Exploring Operation: 90-11=79, Resulting Numbers: [79] 79,79 equal: Goal Reached Moving to Node #0 Current State: 79:[49, 90, 16, 76], Operations: [] Exploring Operation: 49+16=65, Resulting Numbers: [90, 76, 65] Generated Node #0,1: 79:[90, 76, 65] Operation: 49+16=65 Moving to Node #0,1 Current State: 79:[90, 76, 65], Operations: ['49+16=65'] Exploring Operation: 76-65=11, Resulting Numbers: [90, 11] Generated Node #0,1,1: 79:[90, 11] Operation: 76-65=11 Moving to Node #0,1,1 Current State: 79:[90, 11], Operations: ['49+16=65', '76-65=11'] Exploring Operation: 90-11=79, Resulting Numbers: [79] 79,79 equal: Goal Reached Exit Sub Search at level 1
0.981771
hs_5
mult_heuristic
[ 88, 6, 12, 34 ]
48
[ "88+6=94", "12+34=46", "94-46=48" ]
Current State: 48:[88, 6, 12, 34], Operations: [] Exploring Operation: 88+6=94, Resulting Numbers: [12, 34, 94] Generated Node #2: [12, 34, 94] from Operation: 88+6=94 Current State: 48:[12, 34, 94], Operations: ['88+6=94'] Exploring Operation: 12+34=46, Resulting Numbers: [94, 46] Generated Node #3: [94, 46] from Operation: 12+34=46 Current State: 48:[94, 46], Operations: ['88+6=94', '12+34=46'] Exploring Operation: 94-46=48, Resulting Numbers: [48] 48,48 equal: Goal Reached
4
Current State: 48:[88, 6, 12, 34], Operations: [] Exploring Operation: 88-12=76, Resulting Numbers: [6, 34, 76] Generated Node #0,0: 48:[6, 34, 76] Operation: 88-12=76 Exploring Operation: 88-34=54, Resulting Numbers: [6, 12, 54] Generated Node #0,1: 48:[6, 12, 54] Operation: 88-34=54 Start Sub Search at level 1: Moving to Node #0,1 Current State: 48:[6, 12, 54], Operations: ['88-34=54'] Exploring Operation: 54/6=9, Resulting Numbers: [12, 9] Generated Node #0,1,0: 48:[12, 9] Operation: 54/6=9 Exploring Operation: 54-6=48, Resulting Numbers: [12, 48] Generated Node #0,1,1: 48:[12, 48] Operation: 54-6=48 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 48:[12, 48], Operations: ['88-34=54', '54-6=48'] Exploring Operation: 48/12=4, Resulting Numbers: [4] 4,48 unequal: No Solution Exploring Operation: 12+48=60, Resulting Numbers: [60] 60,48 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 48:[12, 9], Operations: ['88-34=54', '54/6=9'] Exploring Operation: 12-9=3, Resulting Numbers: [3] 3,48 unequal: No Solution Exploring Operation: 12+9=21, Resulting Numbers: [21] 21,48 unequal: No Solution 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: 48:[6, 34, 76], Operations: ['88-12=76'] Exploring Operation: 76-34=42, Resulting Numbers: [6, 42] Generated Node #0,0,0: 48:[6, 42] Operation: 76-34=42 Exploring Operation: 34-6=28, Resulting Numbers: [76, 28] Generated Node #0,0,1: 48:[76, 28] Operation: 34-6=28 Moving to Node #0,0,0 Current State: 48:[6, 42], Operations: ['88-12=76', '76-34=42'] Exploring Operation: 42/6=7, Resulting Numbers: [7] 7,48 unequal: No Solution Exploring Operation: 6+42=48, Resulting Numbers: [48] 48,48 equal: Goal Reached Moving to Node #0 Current State: 48:[88, 6, 12, 34], Operations: [] Exploring Operation: 88-12=76, Resulting Numbers: [6, 34, 76] Generated Node #0,0: 48:[6, 34, 76] Operation: 88-12=76 Moving to Node #0,0 Current State: 48:[6, 34, 76], Operations: ['88-12=76'] Exploring Operation: 76-34=42, Resulting Numbers: [6, 42] Generated Node #0,0,0: 48:[6, 42] Operation: 76-34=42 Moving to Node #0,0,0 Current State: 48:[6, 42], Operations: ['88-12=76', '76-34=42'] Exploring Operation: 6+42=48, Resulting Numbers: [48] 48,48 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_2
sum_heuristic
[ 74, 59, 55, 77 ]
12
[ "77-74=3", "59-55=4", "3*4=12" ]
Current State: 12:[74, 59, 55, 77], Operations: [] Exploring Operation: 77-74=3, Resulting Numbers: [59, 55, 3] Generated Node #2: [59, 55, 3] from Operation: 77-74=3 Current State: 12:[59, 55, 3], Operations: ['77-74=3'] Exploring Operation: 59-55=4, Resulting Numbers: [3, 4] Generated Node #3: [3, 4] from Operation: 59-55=4 Current State: 12:[3, 4], Operations: ['77-74=3', '59-55=4'] Exploring Operation: 3*4=12, Resulting Numbers: [12] 12,12 equal: Goal Reached
4
Current State: 12:[74, 59, 55, 77], Operations: [] Exploring Operation: 74-59=15, Resulting Numbers: [55, 77, 15] Generated Node #0,0: 12:[55, 77, 15] Operation: 74-59=15 Exploring Operation: 77-59=18, Resulting Numbers: [74, 55, 18] Generated Node #0,1: 12:[74, 55, 18] Operation: 77-59=18 Exploring Operation: 77-74=3, Resulting Numbers: [59, 55, 3] Generated Node #0,2: 12:[59, 55, 3] Operation: 77-74=3 Exploring Operation: 74-55=19, Resulting Numbers: [59, 77, 19] Generated Node #0,3: 12:[59, 77, 19] Operation: 74-55=19 Moving to Node #0,2 Current State: 12:[59, 55, 3], Operations: ['77-74=3'] Exploring Operation: 59+3=62, Resulting Numbers: [55, 62] Generated Node #0,2,0: 12:[55, 62] Operation: 59+3=62 Exploring Operation: 55-3=52, Resulting Numbers: [59, 52] Generated Node #0,2,1: 12:[59, 52] Operation: 55-3=52 Exploring Operation: 59-55=4, Resulting Numbers: [3, 4] Generated Node #0,2,2: 12:[3, 4] Operation: 59-55=4 Exploring Operation: 59-3=56, Resulting Numbers: [55, 56] Generated Node #0,2,3: 12:[55, 56] Operation: 59-3=56 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 12:[3, 4], Operations: ['77-74=3', '59-55=4'] Exploring Operation: 3+4=7, Resulting Numbers: [7] 7,12 unequal: No Solution Exploring Operation: 3*4=12, Resulting Numbers: [12] 12,12 equal: Goal Reached Moving to Node #0 Current State: 12:[74, 59, 55, 77], Operations: [] Exploring Operation: 77-74=3, Resulting Numbers: [59, 55, 3] Generated Node #0,2: 12:[59, 55, 3] Operation: 77-74=3 Moving to Node #0,2 Current State: 12:[59, 55, 3], Operations: ['77-74=3'] Exploring Operation: 59-55=4, Resulting Numbers: [3, 4] Generated Node #0,2,2: 12:[3, 4] Operation: 59-55=4 Moving to Node #0,2,2 Current State: 12:[3, 4], Operations: ['77-74=3', '59-55=4'] Exploring Operation: 3*4=12, Resulting Numbers: [12] 12,12 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_4
mult_heuristic
[ 64, 8, 41, 46 ]
95
[ "64/8=8", "41+46=87", "8+87=95" ]
Current State: 95:[64, 8, 41, 46], Operations: [] Exploring Operation: 64/8=8, Resulting Numbers: [41, 46, 8] Generated Node #2: [41, 46, 8] from Operation: 64/8=8 Current State: 95:[41, 46, 8], Operations: ['64/8=8'] Exploring Operation: 41+46=87, Resulting Numbers: [8, 87] Generated Node #3: [8, 87] from Operation: 41+46=87 Current State: 95:[8, 87], Operations: ['64/8=8', '41+46=87'] Exploring Operation: 8+87=95, Resulting Numbers: [95] 95,95 equal: Goal Reached
4
Current State: 95:[64, 8, 41, 46], Operations: [] Exploring Operation: 64-46=18, Resulting Numbers: [8, 41, 18] Generated Node #0,0: 95:[8, 41, 18] Operation: 64-46=18 Exploring Operation: 64-41=23, Resulting Numbers: [8, 46, 23] Generated Node #0,1: 95:[8, 46, 23] Operation: 64-41=23 Start Sub Search at level 1: Moving to Node #0,0 Current State: 95:[8, 41, 18], Operations: ['64-46=18'] Exploring Operation: 41-8=33, Resulting Numbers: [18, 33] Generated Node #0,0,0: 95:[18, 33] Operation: 41-8=33 Exploring Operation: 41-18=23, Resulting Numbers: [8, 23] Generated Node #0,0,1: 95:[8, 23] Operation: 41-18=23 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 95:[8, 23], Operations: ['64-46=18', '41-18=23'] Exploring Operation: 8+23=31, Resulting Numbers: [31] 31,95 unequal: No Solution Exploring Operation: 23-8=15, Resulting Numbers: [15] 15,95 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 #0,0,0 Current State: 95:[18, 33], Operations: ['64-46=18', '41-8=33'] Exploring Operation: 18+33=51, Resulting Numbers: [51] 51,95 unequal: No Solution Exploring Operation: 33-18=15, Resulting Numbers: [15] 15,95 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:[8, 46, 23], Operations: ['64-41=23'] Exploring Operation: 46-23=23, Resulting Numbers: [8, 23] Generated Node #0,1,0: 95:[8, 23] Operation: 46-23=23 Exploring Operation: 46/23=2, Resulting Numbers: [8, 2] Generated Node #0,1,1: 95:[8, 2] Operation: 46/23=2 Moving to Node #0,1,1 Current State: 95:[8, 2], Operations: ['64-41=23', '46/23=2'] Exploring Operation: 8-2=6, Resulting Numbers: [6] 6,95 unequal: No Solution Exploring Operation: 8/2=4, Resulting Numbers: [4] 4,95 unequal: No Solution Moving to Node #0,1,0 Current State: 95:[8, 23], Operations: ['64-41=23', '46-23=23'] Exploring Operation: 8+23=31, Resulting Numbers: [31] 31,95 unequal: No Solution Exploring Operation: 23-8=15, Resulting Numbers: [15] 15,95 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
[ 34, 10, 69, 47 ]
46
[ "34-10=24", "69-47=22", "24+22=46" ]
Current State: 46:[34, 10, 69, 47], Operations: [] Exploring Operation: 34-10=24, Resulting Numbers: [69, 47, 24] Generated Node #2: [69, 47, 24] from Operation: 34-10=24 Current State: 46:[69, 47, 24], Operations: ['34-10=24'] Exploring Operation: 69-47=22, Resulting Numbers: [24, 22] Generated Node #3: [24, 22] from Operation: 69-47=22 Current State: 46:[24, 22], Operations: ['34-10=24', '69-47=22'] Exploring Operation: 24+22=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
4
Current State: 46:[34, 10, 69, 47], Operations: [] Exploring Operation: 69-34=35, Resulting Numbers: [10, 47, 35] Generated Node #0,0: 46:[10, 47, 35] Operation: 69-34=35 Exploring Operation: 69-10=59, Resulting Numbers: [34, 47, 59] Generated Node #0,1: 46:[34, 47, 59] Operation: 69-10=59 Exploring Operation: 34-10=24, Resulting Numbers: [69, 47, 24] Generated Node #0,2: 46:[69, 47, 24] Operation: 34-10=24 Exploring Operation: 69-47=22, Resulting Numbers: [34, 10, 22] Generated Node #0,3: 46:[34, 10, 22] Operation: 69-47=22 Exploring Operation: 34+10=44, Resulting Numbers: [69, 47, 44] Generated Node #0,4: 46:[69, 47, 44] Operation: 34+10=44 Moving to Node #0,0 Current State: 46:[10, 47, 35], Operations: ['69-34=35'] Exploring Operation: 10+47=57, Resulting Numbers: [35, 57] Generated Node #0,0,0: 46:[35, 57] Operation: 10+47=57 Exploring Operation: 47-10=37, Resulting Numbers: [35, 37] Generated Node #0,0,1: 46:[35, 37] Operation: 47-10=37 Exploring Operation: 47-35=12, Resulting Numbers: [10, 12] Generated Node #0,0,2: 46:[10, 12] Operation: 47-35=12 Exploring Operation: 35-10=25, Resulting Numbers: [47, 25] Generated Node #0,0,3: 46:[47, 25] Operation: 35-10=25 Exploring Operation: 10+35=45, Resulting Numbers: [47, 45] Generated Node #0,0,4: 46:[47, 45] Operation: 10+35=45 Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 46:[47, 45], Operations: ['69-34=35', '10+35=45'] Exploring Operation: 47*45=2115, Resulting Numbers: [2115] 2115,46 unequal: No Solution Exploring Operation: 47-45=2, Resulting Numbers: [2] 2,46 unequal: No Solution Exploring Operation: 47+45=92, Resulting Numbers: [92] 92,46 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 46:[47, 25], Operations: ['69-34=35', '35-10=25'] Exploring Operation: 47+25=72, Resulting Numbers: [72] 72,46 unequal: No Solution Exploring Operation: 47-25=22, Resulting Numbers: [22] 22,46 unequal: No Solution Exploring Operation: 47*25=1175, Resulting Numbers: [1175] 1175,46 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 #0,0,2 Current State: 46:[10, 12], Operations: ['69-34=35', '47-35=12'] Exploring Operation: 10*12=120, Resulting Numbers: [120] 120,46 unequal: No Solution Exploring Operation: 12-10=2, Resulting Numbers: [2] 2,46 unequal: No Solution Exploring Operation: 10+12=22, Resulting Numbers: [22] 22,46 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 46:[35, 37], Operations: ['69-34=35', '47-10=37'] Exploring Operation: 37-35=2, Resulting Numbers: [2] 2,46 unequal: No Solution Exploring Operation: 35+37=72, Resulting Numbers: [72] 72,46 unequal: No Solution Exploring Operation: 35*37=1295, Resulting Numbers: [1295] 1295,46 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 46:[35, 57], Operations: ['69-34=35', '10+47=57'] Exploring Operation: 35+57=92, Resulting Numbers: [92] 92,46 unequal: No Solution Exploring Operation: 35*57=1995, Resulting Numbers: [1995] 1995,46 unequal: No Solution Exploring Operation: 57-35=22, Resulting Numbers: [22] 22,46 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: 46:[34, 10, 22], Operations: ['69-47=22'] Exploring Operation: 34+10=44, Resulting Numbers: [22, 44] Generated Node #0,3,0: 46:[22, 44] Operation: 34+10=44 Exploring Operation: 34-22=12, Resulting Numbers: [10, 12] Generated Node #0,3,1: 46:[10, 12] Operation: 34-22=12 Exploring Operation: 34+22=56, Resulting Numbers: [10, 56] Generated Node #0,3,2: 46:[10, 56] Operation: 34+22=56 Exploring Operation: 34-10=24, Resulting Numbers: [22, 24] Generated Node #0,3,3: 46:[22, 24] Operation: 34-10=24 Exploring Operation: 10+22=32, Resulting Numbers: [34, 32] Generated Node #0,3,4: 46:[34, 32] Operation: 10+22=32 Moving to Node #0,1 Current State: 46:[34, 47, 59], Operations: ['69-10=59'] Exploring Operation: 59-47=12, Resulting Numbers: [34, 12] Generated Node #0,1,0: 46:[34, 12] Operation: 59-47=12 Exploring Operation: 34+47=81, Resulting Numbers: [59, 81] Generated Node #0,1,1: 46:[59, 81] Operation: 34+47=81 Exploring Operation: 47-34=13, Resulting Numbers: [59, 13] Generated Node #0,1,2: 46:[59, 13] Operation: 47-34=13 Exploring Operation: 34+59=93, Resulting Numbers: [47, 93] Generated Node #0,1,3: 46:[47, 93] Operation: 34+59=93 Exploring Operation: 59-34=25, Resulting Numbers: [47, 25] Generated Node #0,1,4: 46:[47, 25] Operation: 59-34=25 Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 46:[47, 25], Operations: ['69-10=59', '59-34=25'] Exploring Operation: 47-25=22, Resulting Numbers: [22] 22,46 unequal: No Solution Exploring Operation: 47+25=72, Resulting Numbers: [72] 72,46 unequal: No Solution Exploring Operation: 47*25=1175, Resulting Numbers: [1175] 1175,46 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 #0,1,0 Current State: 46:[34, 12], Operations: ['69-10=59', '59-47=12'] Exploring Operation: 34*12=408, Resulting Numbers: [408] 408,46 unequal: No Solution Exploring Operation: 34+12=46, Resulting Numbers: [46] 46,46 equal: Goal Reached Moving to Node #0 Current State: 46:[34, 10, 69, 47], Operations: [] Exploring Operation: 69-10=59, Resulting Numbers: [34, 47, 59] Generated Node #0,1: 46:[34, 47, 59] Operation: 69-10=59 Moving to Node #0,1 Current State: 46:[34, 47, 59], Operations: ['69-10=59'] Exploring Operation: 59-47=12, Resulting Numbers: [34, 12] Generated Node #0,1,0: 46:[34, 12] Operation: 59-47=12 Moving to Node #0,1,0 Current State: 46:[34, 12], Operations: ['69-10=59', '59-47=12'] Exploring Operation: 34+12=46, Resulting Numbers: [46] 46,46 equal: Goal Reached Exit Sub Search at level 1
0.961806
hs_5
sum_heuristic
[ 26, 69, 9, 53 ]
33
[ "26+69=95", "9+53=62", "95-62=33" ]
Current State: 33:[26, 69, 9, 53], Operations: [] Exploring Operation: 26+69=95, Resulting Numbers: [9, 53, 95] Generated Node #2: [9, 53, 95] from Operation: 26+69=95 Current State: 33:[9, 53, 95], Operations: ['26+69=95'] Exploring Operation: 9+53=62, Resulting Numbers: [95, 62] Generated Node #3: [95, 62] from Operation: 9+53=62 Current State: 33:[95, 62], Operations: ['26+69=95', '9+53=62'] Exploring Operation: 95-62=33, Resulting Numbers: [33] 33,33 equal: Goal Reached
4
Current State: 33:[26, 69, 9, 53], Operations: [] Exploring Operation: 69-53=16, Resulting Numbers: [26, 9, 16] Generated Node #0,0: 33:[26, 9, 16] Operation: 69-53=16 Exploring Operation: 69-26=43, Resulting Numbers: [9, 53, 43] Generated Node #0,1: 33:[9, 53, 43] Operation: 69-26=43 Exploring Operation: 53-26=27, Resulting Numbers: [69, 9, 27] Generated Node #0,2: 33:[69, 9, 27] Operation: 53-26=27 Start Sub Search at level 1: Moving to Node #0,0 Current State: 33:[26, 9, 16], Operations: ['69-53=16'] Exploring Operation: 26+9=35, Resulting Numbers: [16, 35] Generated Node #0,0,0: 33:[16, 35] Operation: 26+9=35 Exploring Operation: 26-16=10, Resulting Numbers: [9, 10] Generated Node #0,0,1: 33:[9, 10] Operation: 26-16=10 Exploring Operation: 26-9=17, Resulting Numbers: [16, 17] Generated Node #0,0,2: 33:[16, 17] Operation: 26-9=17 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 33:[9, 10], Operations: ['69-53=16', '26-16=10'] Exploring Operation: 9*10=90, Resulting Numbers: [90] 90,33 unequal: No Solution Exploring Operation: 9+10=19, Resulting Numbers: [19] 19,33 unequal: No Solution Exploring Operation: 10-9=1, Resulting Numbers: [1] 1,33 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 33:[16, 35], Operations: ['69-53=16', '26+9=35'] Exploring Operation: 16+35=51, Resulting Numbers: [51] 51,33 unequal: No Solution Exploring Operation: 16*35=560, Resulting Numbers: [560] 560,33 unequal: No Solution Exploring Operation: 35-16=19, Resulting Numbers: [19] 19,33 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 33:[16, 17], Operations: ['69-53=16', '26-9=17'] Exploring Operation: 16+17=33, Resulting Numbers: [33] 33,33 equal: Goal Reached Moving to Node #0 Current State: 33:[26, 69, 9, 53], Operations: [] Exploring Operation: 69-53=16, Resulting Numbers: [26, 9, 16] Generated Node #0,0: 33:[26, 9, 16] Operation: 69-53=16 Moving to Node #0,0 Current State: 33:[26, 9, 16], Operations: ['69-53=16'] Exploring Operation: 26-9=17, Resulting Numbers: [16, 17] Generated Node #0,0,2: 33:[16, 17] Operation: 26-9=17 Moving to Node #0,0,2 Current State: 33:[16, 17], Operations: ['69-53=16', '26-9=17'] Exploring Operation: 16+17=33, Resulting Numbers: [33] 33,33 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.985243
hs_3
sum_heuristic
[ 3, 21, 11, 75 ]
52
[ "21*11=231", "231-75=156", "156/3=52" ]
Current State: 52:[3, 21, 11, 75], Operations: [] Exploring Operation: 21*11=231, Resulting Numbers: [3, 75, 231] Generated Node #2: [3, 75, 231] from Operation: 21*11=231 Current State: 52:[3, 75, 231], Operations: ['21*11=231'] Exploring Operation: 231-75=156, Resulting Numbers: [3, 156] Generated Node #3: [3, 156] from Operation: 231-75=156 Current State: 52:[3, 156], Operations: ['21*11=231', '231-75=156'] Exploring Operation: 156/3=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[3, 21, 11, 75], Operations: [] Exploring Operation: 75-21=54, Resulting Numbers: [3, 11, 54] Generated Node #0,0: 52:[3, 11, 54] Operation: 75-21=54 Exploring Operation: 75-11=64, Resulting Numbers: [3, 21, 64] Generated Node #0,1: 52:[3, 21, 64] Operation: 75-11=64 Exploring Operation: 75/3=25, Resulting Numbers: [21, 11, 25] Generated Node #0,2: 52:[21, 11, 25] Operation: 75/3=25 Exploring Operation: 3+21=24, Resulting Numbers: [11, 75, 24] Generated Node #0,3: 52:[11, 75, 24] Operation: 3+21=24 Moving to Node #0,0 Current State: 52:[3, 11, 54], Operations: ['75-21=54'] Exploring Operation: 3+11=14, Resulting Numbers: [54, 14] Generated Node #0,0,0: 52:[54, 14] Operation: 3+11=14 Exploring Operation: 11-3=8, Resulting Numbers: [54, 8] Generated Node #0,0,1: 52:[54, 8] Operation: 11-3=8 Exploring Operation: 3+54=57, Resulting Numbers: [11, 57] Generated Node #0,0,2: 52:[11, 57] Operation: 3+54=57 Exploring Operation: 54-3=51, Resulting Numbers: [11, 51] Generated Node #0,0,3: 52:[11, 51] Operation: 54-3=51 Moving to Node #0,2 Current State: 52:[21, 11, 25], Operations: ['75/3=25'] Exploring Operation: 25-11=14, Resulting Numbers: [21, 14] Generated Node #0,2,0: 52:[21, 14] Operation: 25-11=14 Exploring Operation: 21+11=32, Resulting Numbers: [25, 32] Generated Node #0,2,1: 52:[25, 32] Operation: 21+11=32 Exploring Operation: 21-11=10, Resulting Numbers: [25, 10] Generated Node #0,2,2: 52:[25, 10] Operation: 21-11=10 Exploring Operation: 25-21=4, Resulting Numbers: [11, 4] Generated Node #0,2,3: 52:[11, 4] Operation: 25-21=4 Moving to Node #0,1 Current State: 52:[3, 21, 64], Operations: ['75-11=64'] Exploring Operation: 21/3=7, Resulting Numbers: [64, 7] Generated Node #0,1,0: 52:[64, 7] Operation: 21/3=7 Exploring Operation: 64-3=61, Resulting Numbers: [21, 61] Generated Node #0,1,1: 52:[21, 61] Operation: 64-3=61 Exploring Operation: 3+21=24, Resulting Numbers: [64, 24] Generated Node #0,1,2: 52:[64, 24] Operation: 3+21=24 Exploring Operation: 64-21=43, Resulting Numbers: [3, 43] Generated Node #0,1,3: 52:[3, 43] Operation: 64-21=43 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 52:[3, 43], Operations: ['75-11=64', '64-21=43'] Exploring Operation: 3+43=46, Resulting Numbers: [46] 46,52 unequal: No Solution Exploring Operation: 3*43=129, Resulting Numbers: [129] 129,52 unequal: No Solution Exploring Operation: 43-3=40, Resulting Numbers: [40] 40,52 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 #0,1,1 Current State: 52:[21, 61], Operations: ['75-11=64', '64-3=61'] Exploring Operation: 21+61=82, Resulting Numbers: [82] 82,52 unequal: No Solution Exploring Operation: 61-21=40, Resulting Numbers: [40] 40,52 unequal: No Solution Exploring Operation: 21*61=1281, Resulting Numbers: [1281] 1281,52 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 #0,1,2 Current State: 52:[64, 24], Operations: ['75-11=64', '3+21=24'] Exploring Operation: 64+24=88, Resulting Numbers: [88] 88,52 unequal: No Solution Exploring Operation: 64*24=1536, Resulting Numbers: [1536] 1536,52 unequal: No Solution Exploring Operation: 64-24=40, Resulting Numbers: [40] 40,52 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 #0,1,0 Current State: 52:[64, 7], Operations: ['75-11=64', '21/3=7'] Exploring Operation: 64-7=57, Resulting Numbers: [57] 57,52 unequal: No Solution Exploring Operation: 64+7=71, Resulting Numbers: [71] 71,52 unequal: No Solution Exploring Operation: 64*7=448, Resulting Numbers: [448] 448,52 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:[11, 75, 24], Operations: ['3+21=24'] Exploring Operation: 75-11=64, Resulting Numbers: [24, 64] Generated Node #0,3,0: 52:[24, 64] Operation: 75-11=64 Exploring Operation: 75-24=51, Resulting Numbers: [11, 51] Generated Node #0,3,1: 52:[11, 51] Operation: 75-24=51 Exploring Operation: 11+24=35, Resulting Numbers: [75, 35] Generated Node #0,3,2: 52:[75, 35] Operation: 11+24=35 Exploring Operation: 24-11=13, Resulting Numbers: [75, 13] Generated Node #0,3,3: 52:[75, 13] Operation: 24-11=13 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 52:[11, 51], Operations: ['3+21=24', '75-24=51'] Exploring Operation: 11+51=62, Resulting Numbers: [62] 62,52 unequal: No Solution Exploring Operation: 11*51=561, Resulting Numbers: [561] 561,52 unequal: No Solution Exploring Operation: 51-11=40, Resulting Numbers: [40] 40,52 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 #0,3,0 Current State: 52:[24, 64], Operations: ['3+21=24', '75-11=64'] Exploring Operation: 24+64=88, Resulting Numbers: [88] 88,52 unequal: No Solution Exploring Operation: 24*64=1536, Resulting Numbers: [1536] 1536,52 unequal: No Solution Exploring Operation: 64-24=40, Resulting Numbers: [40] 40,52 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 #0,3,3 Current State: 52:[75, 13], Operations: ['3+21=24', '24-11=13'] Exploring Operation: 75+13=88, Resulting Numbers: [88] 88,52 unequal: No Solution Exploring Operation: 75*13=975, Resulting Numbers: [975] 975,52 unequal: No Solution Exploring Operation: 75-13=62, Resulting Numbers: [62] 62,52 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 #0,3,2 Current State: 52:[75, 35], Operations: ['3+21=24', '11+24=35'] Exploring Operation: 75-35=40, Resulting Numbers: [40] 40,52 unequal: No Solution Exploring Operation: 75*35=2625, Resulting Numbers: [2625] 2625,52 unequal: No Solution Exploring Operation: 75+35=110, Resulting Numbers: [110] 110,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2,3 Current State: 52:[11, 4], Operations: ['75/3=25', '25-21=4'] Exploring Operation: 11-4=7, Resulting Numbers: [7] 7,52 unequal: No Solution Exploring Operation: 11*4=44, Resulting Numbers: [44] 44,52 unequal: No Solution Exploring Operation: 11+4=15, Resulting Numbers: [15] 15,52 unequal: No Solution Moving to Node #0,0,0 Current State: 52:[54, 14], Operations: ['75-21=54', '3+11=14'] Exploring Operation: 54+14=68, Resulting Numbers: [68] 68,52 unequal: No Solution Exploring Operation: 54-14=40, Resulting Numbers: [40] 40,52 unequal: No Solution Exploring Operation: 54*14=756, Resulting Numbers: [756] 756,52 unequal: No Solution Moving to Node #0,0,3 Current State: 52:[11, 51], Operations: ['75-21=54', '54-3=51'] Exploring Operation: 11*51=561, Resulting Numbers: [561] 561,52 unequal: No Solution Exploring Operation: 11+51=62, Resulting Numbers: [62] 62,52 unequal: No Solution Exploring Operation: 51-11=40, Resulting Numbers: [40] 40,52 unequal: No Solution Moving to Node #0,2,2 Current State: 52:[25, 10], Operations: ['75/3=25', '21-11=10'] Exploring Operation: 25-10=15, Resulting Numbers: [15] 15,52 unequal: No Solution Exploring Operation: 25+10=35, Resulting Numbers: [35] 35,52 unequal: No Solution Exploring Operation: 25*10=250, Resulting Numbers: [250] 250,52 unequal: No Solution Moving to Node #0,0,1 Current State: 52:[54, 8], Operations: ['75-21=54', '11-3=8'] Exploring Operation: 54-8=46, Resulting Numbers: [46] 46,52 unequal: No Solution Exploring Operation: 54+8=62, Resulting Numbers: [62] 62,52 unequal: No Solution Exploring Operation: 54*8=432, Resulting Numbers: [432] 432,52 unequal: No Solution Moving to Node #0,2,0 Current State: 52:[21, 14], Operations: ['75/3=25', '25-11=14'] Exploring Operation: 21*14=294, Resulting Numbers: [294] 294,52 unequal: No Solution Exploring Operation: 21-14=7, Resulting Numbers: [7] 7,52 unequal: No Solution Exploring Operation: 21+14=35, Resulting Numbers: [35] 35,52 unequal: No Solution Moving to Node #0,0,2 Current State: 52:[11, 57], Operations: ['75-21=54', '3+54=57'] Exploring Operation: 57-11=46, Resulting Numbers: [46] 46,52 unequal: No Solution Exploring Operation: 11*57=627, Resulting Numbers: [627] 627,52 unequal: No Solution Exploring Operation: 11+57=68, Resulting Numbers: [68] 68,52 unequal: No Solution Moving to Node #0,2,1 Current State: 52:[25, 32], Operations: ['75/3=25', '21+11=32'] Exploring Operation: 25*32=800, Resulting Numbers: [800] 800,52 unequal: No Solution Exploring Operation: 32-25=7, Resulting Numbers: [7] 7,52 unequal: No Solution Exploring Operation: 25+32=57, Resulting Numbers: [57] 57,52 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 4, 82, 10, 40 ]
62
[ "40/4=10", "82-10=72", "72-10=62" ]
Current State: 62:[4, 82, 10, 40], Operations: [] Exploring Operation: 40/4=10, Resulting Numbers: [82, 10, 10] Generated Node #2: [82, 10, 10] from Operation: 40/4=10 Current State: 62:[82, 10, 10], Operations: ['40/4=10'] Exploring Operation: 82-10=72, Resulting Numbers: [72] 72,62 equal: Goal Reached Exploring Operation: 72-10=62, Resulting Numbers: [62] 62,62 equal: Goal Reached
4
Current State: 62:[4, 82, 10, 40], Operations: [] Exploring Operation: 82-4=78, Resulting Numbers: [10, 40, 78] Generated Node #0,0: 62:[10, 40, 78] Operation: 82-4=78 Exploring Operation: 82-40=42, Resulting Numbers: [4, 10, 42] Generated Node #0,1: 62:[4, 10, 42] Operation: 82-40=42 Exploring Operation: 40/10=4, Resulting Numbers: [4, 82, 4] Generated Node #0,2: 62:[4, 82, 4] Operation: 40/10=4 Exploring Operation: 40-10=30, Resulting Numbers: [4, 82, 30] Generated Node #0,3: 62:[4, 82, 30] Operation: 40-10=30 Exploring Operation: 82-10=72, Resulting Numbers: [4, 40, 72] Generated Node #0,4: 62:[4, 40, 72] Operation: 82-10=72 Start Sub Search at level 1: Moving to Node #0,1 Current State: 62:[4, 10, 42], Operations: ['82-40=42'] Exploring Operation: 4*10=40, Resulting Numbers: [42, 40] Generated Node #0,1,0: 62:[42, 40] Operation: 4*10=40 Exploring Operation: 10-4=6, Resulting Numbers: [42, 6] Generated Node #0,1,1: 62:[42, 6] Operation: 10-4=6 Exploring Operation: 42-10=32, Resulting Numbers: [4, 32] Generated Node #0,1,2: 62:[4, 32] Operation: 42-10=32 Exploring Operation: 42-4=38, Resulting Numbers: [10, 38] Generated Node #0,1,3: 62:[10, 38] Operation: 42-4=38 Exploring Operation: 10+42=52, Resulting Numbers: [4, 52] Generated Node #0,1,4: 62:[4, 52] Operation: 10+42=52 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 62:[4, 32], Operations: ['82-40=42', '42-10=32'] Exploring Operation: 32-4=28, Resulting Numbers: [28] 28,62 unequal: No Solution Exploring Operation: 32/4=8, Resulting Numbers: [8] 8,62 unequal: No Solution Exploring Operation: 4*32=128, Resulting Numbers: [128] 128,62 unequal: No Solution Exploring Operation: 4+32=36, Resulting Numbers: [36] 36,62 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 #0,1,4 Current State: 62:[4, 52], Operations: ['82-40=42', '10+42=52'] Exploring Operation: 4+52=56, Resulting Numbers: [56] 56,62 unequal: No Solution Exploring Operation: 4*52=208, Resulting Numbers: [208] 208,62 unequal: No Solution Exploring Operation: 52-4=48, Resulting Numbers: [48] 48,62 unequal: No Solution Exploring Operation: 52/4=13, Resulting Numbers: [13] 13,62 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 #0,1,1 Current State: 62:[42, 6], Operations: ['82-40=42', '10-4=6'] Exploring Operation: 42-6=36, Resulting Numbers: [36] 36,62 unequal: No Solution Exploring Operation: 42+6=48, Resulting Numbers: [48] 48,62 unequal: No Solution Exploring Operation: 42*6=252, Resulting Numbers: [252] 252,62 unequal: No Solution Exploring Operation: 42/6=7, Resulting Numbers: [7] 7,62 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 #0,1,3 Current State: 62:[10, 38], Operations: ['82-40=42', '42-4=38'] Exploring Operation: 38-10=28, Resulting Numbers: [28] 28,62 unequal: No Solution Exploring Operation: 10+38=48, Resulting Numbers: [48] 48,62 unequal: No Solution Exploring Operation: 10*38=380, Resulting Numbers: [380] 380,62 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 #0,1,0 Current State: 62:[42, 40], Operations: ['82-40=42', '4*10=40'] Exploring Operation: 42-40=2, Resulting Numbers: [2] 2,62 unequal: No Solution Exploring Operation: 42*40=1680, Resulting Numbers: [1680] 1680,62 unequal: No Solution Exploring Operation: 42+40=82, Resulting Numbers: [82] 82,62 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 #0,4 Current State: 62:[4, 40, 72], Operations: ['82-10=72'] Exploring Operation: 40-4=36, Resulting Numbers: [72, 36] Generated Node #0,4,0: 62:[72, 36] Operation: 40-4=36 Exploring Operation: 72/4=18, Resulting Numbers: [40, 18] Generated Node #0,4,1: 62:[40, 18] Operation: 72/4=18 Exploring Operation: 40/4=10, Resulting Numbers: [72, 10] Generated Node #0,4,2: 62:[72, 10] Operation: 40/4=10 Exploring Operation: 72-4=68, Resulting Numbers: [40, 68] Generated Node #0,4,3: 62:[40, 68] Operation: 72-4=68 Exploring Operation: 72-40=32, Resulting Numbers: [4, 32] Generated Node #0,4,4: 62:[4, 32] Operation: 72-40=32 Moving to Node #0,4,4 Current State: 62:[4, 32], Operations: ['82-10=72', '72-40=32'] Exploring Operation: 4+32=36, Resulting Numbers: [36] 36,62 unequal: No Solution Exploring Operation: 32/4=8, Resulting Numbers: [8] 8,62 unequal: No Solution Exploring Operation: 4*32=128, Resulting Numbers: [128] 128,62 unequal: No Solution Exploring Operation: 32-4=28, Resulting Numbers: [28] 28,62 unequal: No Solution Moving to Node #0,4,3 Current State: 62:[40, 68], Operations: ['82-10=72', '72-4=68'] Exploring Operation: 40+68=108, Resulting Numbers: [108] 108,62 unequal: No Solution Exploring Operation: 68-40=28, Resulting Numbers: [28] 28,62 unequal: No Solution Exploring Operation: 40*68=2720, Resulting Numbers: [2720] 2720,62 unequal: No Solution Moving to Node #0,4,0 Current State: 62:[72, 36], Operations: ['82-10=72', '40-4=36'] Exploring Operation: 72-36=36, Resulting Numbers: [36] 36,62 unequal: No Solution Exploring Operation: 72/36=2, Resulting Numbers: [2] 2,62 unequal: No Solution Exploring Operation: 72+36=108, Resulting Numbers: [108] 108,62 unequal: No Solution Exploring Operation: 72*36=2592, Resulting Numbers: [2592] 2592,62 unequal: No Solution Moving to Node #0,4,2 Current State: 62:[72, 10], Operations: ['82-10=72', '40/4=10'] Exploring Operation: 72+10=82, Resulting Numbers: [82] 82,62 unequal: No Solution Exploring Operation: 72-10=62, Resulting Numbers: [62] 62,62 equal: Goal Reached Moving to Node #0 Current State: 62:[4, 82, 10, 40], Operations: [] Exploring Operation: 82-10=72, Resulting Numbers: [4, 40, 72] Generated Node #0,4: 62:[4, 40, 72] Operation: 82-10=72 Moving to Node #0,4 Current State: 62:[4, 40, 72], Operations: ['82-10=72'] Exploring Operation: 40/4=10, Resulting Numbers: [72, 10] Generated Node #0,4,2: 62:[72, 10] Operation: 40/4=10 Moving to Node #0,4,2 Current State: 62:[72, 10], Operations: ['82-10=72', '40/4=10'] Exploring Operation: 72-10=62, Resulting Numbers: [62] 62,62 equal: Goal Reached Exit Sub Search at level 1
0.956597
hs_5
sum_heuristic
[ 19, 81, 64, 31 ]
62
[ "81-19=62", "64-62=2", "31*2=62" ]
Current State: 62:[19, 81, 64, 31], Operations: [] Exploring Operation: 81-19=62, Resulting Numbers: [64, 31, 62] Generated Node #2: [64, 31, 62] from Operation: 81-19=62 Current State: 62:[64, 31, 62], Operations: ['81-19=62'] Exploring Operation: 64-62=2, Resulting Numbers: [31, 2] Generated Node #3: [31, 2] from Operation: 64-62=2 Current State: 62:[31, 2], Operations: ['81-19=62', '64-62=2'] Exploring Operation: 31*2=62, Resulting Numbers: [62] 62,62 equal: Goal Reached
4
Current State: 62:[19, 81, 64, 31], Operations: [] Exploring Operation: 31-19=12, Resulting Numbers: [81, 64, 12] Generated Node #0,0: 62:[81, 64, 12] Operation: 31-19=12 Exploring Operation: 81-64=17, Resulting Numbers: [19, 31, 17] Generated Node #0,1: 62:[19, 31, 17] Operation: 81-64=17 Exploring Operation: 81-19=62, Resulting Numbers: [64, 31, 62] Generated Node #0,2: 62:[64, 31, 62] Operation: 81-19=62 Exploring Operation: 81-31=50, Resulting Numbers: [19, 64, 50] Generated Node #0,3: 62:[19, 64, 50] Operation: 81-31=50 Exploring Operation: 64-19=45, Resulting Numbers: [81, 31, 45] Generated Node #0,4: 62:[81, 31, 45] Operation: 64-19=45 Start Sub Search at level 1: Moving to Node #0,2 Current State: 62:[64, 31, 62], Operations: ['81-19=62'] Exploring Operation: 64-62=2, Resulting Numbers: [31, 2] Generated Node #0,2,0: 62:[31, 2] Operation: 64-62=2 Exploring Operation: 64+31=95, Resulting Numbers: [62, 95] Generated Node #0,2,1: 62:[62, 95] Operation: 64+31=95 Exploring Operation: 64-31=33, Resulting Numbers: [62, 33] Generated Node #0,2,2: 62:[62, 33] Operation: 64-31=33 Exploring Operation: 62/31=2, Resulting Numbers: [64, 2] Generated Node #0,2,3: 62:[64, 2] Operation: 62/31=2 Exploring Operation: 62-31=31, Resulting Numbers: [64, 31] Generated Node #0,2,4: 62:[64, 31] Operation: 62-31=31 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 62:[31, 2], Operations: ['81-19=62', '64-62=2'] Exploring Operation: 31-2=29, Resulting Numbers: [29] 29,62 unequal: No Solution Exploring Operation: 31+2=33, Resulting Numbers: [33] 33,62 unequal: No Solution Exploring Operation: 31*2=62, Resulting Numbers: [62] 62,62 equal: Goal Reached Moving to Node #0 Current State: 62:[19, 81, 64, 31], Operations: [] Exploring Operation: 81-19=62, Resulting Numbers: [64, 31, 62] Generated Node #0,2: 62:[64, 31, 62] Operation: 81-19=62 Moving to Node #0,2 Current State: 62:[64, 31, 62], Operations: ['81-19=62'] Exploring Operation: 64-62=2, Resulting Numbers: [31, 2] Generated Node #0,2,0: 62:[31, 2] Operation: 64-62=2 Moving to Node #0,2,0 Current State: 62:[31, 2], Operations: ['81-19=62', '64-62=2'] Exploring Operation: 31*2=62, Resulting Numbers: [62] 62,62 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.985243
hs_5
mult_heuristic
[ 24, 82, 33, 52 ]
72
[ "82-33=49", "52-49=3", "24*3=72" ]
Current State: 72:[24, 82, 33, 52], Operations: [] Exploring Operation: 82-33=49, Resulting Numbers: [24, 52, 49] Generated Node #2: [24, 52, 49] from Operation: 82-33=49 Current State: 72:[24, 52, 49], Operations: ['82-33=49'] Exploring Operation: 52-49=3, Resulting Numbers: [24, 3] Generated Node #3: [24, 3] from Operation: 52-49=3 Current State: 72:[24, 3], Operations: ['82-33=49', '52-49=3'] Exploring Operation: 24*3=72, Resulting Numbers: [72] 72,72 equal: Goal Reached
4
Current State: 72:[24, 82, 33, 52], Operations: [] Exploring Operation: 82-52=30, Resulting Numbers: [24, 33, 30] Generated Node #0,0: 72:[24, 33, 30] Operation: 82-52=30 Moving to Node #0,0 Current State: 72:[24, 33, 30], Operations: ['82-52=30'] Exploring Operation: 33-30=3, Resulting Numbers: [24, 3] Generated Node #0,0,0: 72:[24, 3] Operation: 33-30=3 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 72:[24, 3], Operations: ['82-52=30', '33-30=3'] Exploring Operation: 24*3=72, Resulting Numbers: [72] 72,72 equal: Goal Reached Moving to Node #0 Current State: 72:[24, 82, 33, 52], Operations: [] Exploring Operation: 82-52=30, Resulting Numbers: [24, 33, 30] Generated Node #0,0: 72:[24, 33, 30] Operation: 82-52=30 Moving to Node #0,0 Current State: 72:[24, 33, 30], Operations: ['82-52=30'] Exploring Operation: 33-30=3, Resulting Numbers: [24, 3] Generated Node #0,0,0: 72:[24, 3] Operation: 33-30=3 Moving to Node #0,0,0 Current State: 72:[24, 3], Operations: ['82-52=30', '33-30=3'] Exploring Operation: 24*3=72, Resulting Numbers: [72] 72,72 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 76, 82, 39, 63 ]
79
[ "76-63=13", "39/13=3", "82-3=79" ]
Current State: 79:[76, 82, 39, 63], Operations: [] Exploring Operation: 76-63=13, Resulting Numbers: [82, 39, 13] Generated Node #2: [82, 39, 13] from Operation: 76-63=13 Current State: 79:[82, 39, 13], Operations: ['76-63=13'] Exploring Operation: 39/13=3, Resulting Numbers: [82, 3] Generated Node #3: [82, 3] from Operation: 39/13=3 Current State: 79:[82, 3], Operations: ['76-63=13', '39/13=3'] Exploring Operation: 82-3=79, Resulting Numbers: [79] 79,79 equal: Goal Reached
4
Current State: 79:[76, 82, 39, 63], Operations: [] Exploring Operation: 76+39=115, Resulting Numbers: [82, 63, 115] Generated Node #0,0: 79:[82, 63, 115] Operation: 76+39=115 Exploring Operation: 39+63=102, Resulting Numbers: [76, 82, 102] Generated Node #0,1: 79:[76, 82, 102] Operation: 39+63=102 Moving to Node #0,1 Current State: 79:[76, 82, 102], Operations: ['39+63=102'] Exploring Operation: 102-82=20, Resulting Numbers: [76, 20] Generated Node #0,1,0: 79:[76, 20] Operation: 102-82=20 Exploring Operation: 102-76=26, Resulting Numbers: [82, 26] Generated Node #0,1,1: 79:[82, 26] Operation: 102-76=26 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 79:[82, 26], Operations: ['39+63=102', '102-76=26'] Exploring Operation: 82+26=108, Resulting Numbers: [108] 108,79 unequal: No Solution Exploring Operation: 82-26=56, Resulting Numbers: [56] 56,79 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:[76, 20], Operations: ['39+63=102', '102-82=20'] Exploring Operation: 76-20=56, Resulting Numbers: [56] 56,79 unequal: No Solution Exploring Operation: 76+20=96, Resulting Numbers: [96] 96,79 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: 79:[82, 63, 115], Operations: ['76+39=115'] Exploring Operation: 115-63=52, Resulting Numbers: [82, 52] Generated Node #0,0,0: 79:[82, 52] Operation: 115-63=52 Exploring Operation: 115-82=33, Resulting Numbers: [63, 33] Generated Node #0,0,1: 79:[63, 33] Operation: 115-82=33 Moving to Node #0,0,0 Current State: 79:[82, 52], Operations: ['76+39=115', '115-63=52'] Exploring Operation: 82+52=134, Resulting Numbers: [134] 134,79 unequal: No Solution Exploring Operation: 82-52=30, Resulting Numbers: [30] 30,79 unequal: No Solution Moving to Node #0,0,1 Current State: 79:[63, 33], Operations: ['76+39=115', '115-82=33'] Exploring Operation: 63+33=96, Resulting Numbers: [96] 96,79 unequal: No Solution Exploring Operation: 63-33=30, Resulting Numbers: [30] 30,79 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 2, 5, 5, 66 ]
17
[ "5-2=3", "66/3=22", "22-5=17" ]
Current State: 17:[2, 5, 5, 66], Operations: [] Exploring Operation: 5-2=3, Resulting Numbers: [66, 3] Generated Node #2: [66, 3] from Operation: 5-2=3 Current State: 17:[66, 3], Operations: ['5-2=3'] Exploring Operation: 66/3=22, Resulting Numbers: [22] 22,17 equal: Goal Reached Exploring Operation: 22-5=17, Resulting Numbers: [17] 17,17 equal: Goal Reached
4
Current State: 17:[2, 5, 5, 66], Operations: [] Exploring Operation: 66/2=33, Resulting Numbers: [5, 5, 33] Generated Node #0,0: 17:[5, 5, 33] Operation: 66/2=33 Start Sub Search at level 1: Moving to Node #0,0 Current State: 17:[5, 5, 33], Operations: ['66/2=33'] Exploring Operation: 5+5=10, Resulting Numbers: [33, 10] Generated Node #0,0,0: 17:[33, 10] Operation: 5+5=10 Moving to Node #0,0,0 Current State: 17:[33, 10], Operations: ['66/2=33', '5+5=10'] Exploring Operation: 33-10=23, Resulting Numbers: [23] 23,17 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
[ 20, 4, 32, 41 ]
13
[ "41-20=21", "32/4=8", "21-8=13" ]
Current State: 13:[20, 4, 32, 41], Operations: [] Exploring Operation: 41-20=21, Resulting Numbers: [4, 32, 21] Generated Node #2: [4, 32, 21] from Operation: 41-20=21 Current State: 13:[4, 32, 21], Operations: ['41-20=21'] Exploring Operation: 32/4=8, Resulting Numbers: [21, 8] Generated Node #3: [21, 8] from Operation: 32/4=8 Current State: 13:[21, 8], Operations: ['41-20=21', '32/4=8'] Exploring Operation: 21-8=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
4
Current State: 13:[20, 4, 32, 41], Operations: [] Exploring Operation: 41-32=9, Resulting Numbers: [20, 4, 9] Generated Node #0,0: 13:[20, 4, 9] Operation: 41-32=9 Exploring Operation: 32-20=12, Resulting Numbers: [4, 41, 12] Generated Node #0,1: 13:[4, 41, 12] Operation: 32-20=12 Exploring Operation: 41-20=21, Resulting Numbers: [4, 32, 21] Generated Node #0,2: 13:[4, 32, 21] Operation: 41-20=21 Exploring Operation: 32/4=8, Resulting Numbers: [20, 41, 8] Generated Node #0,3: 13:[20, 41, 8] Operation: 32/4=8 Start Sub Search at level 1: Moving to Node #0,0 Current State: 13:[20, 4, 9], Operations: ['41-32=9'] Exploring Operation: 20/4=5, Resulting Numbers: [9, 5] Generated Node #0,0,0: 13:[9, 5] Operation: 20/4=5 Exploring Operation: 20-9=11, Resulting Numbers: [4, 11] Generated Node #0,0,1: 13:[4, 11] Operation: 20-9=11 Exploring Operation: 20-4=16, Resulting Numbers: [9, 16] Generated Node #0,0,2: 13:[9, 16] Operation: 20-4=16 Exploring Operation: 4+9=13, Resulting Numbers: [20, 13] Generated Node #0,0,3: 13:[20, 13] Operation: 4+9=13 Moving to Node #0,0,2 Current State: 13:[9, 16], Operations: ['41-32=9', '20-4=16'] Exploring Operation: 9+16=25, Resulting Numbers: [25] 25,13 unequal: No Solution Exploring Operation: 16-9=7, Resulting Numbers: [7] 7,13 unequal: No Solution Exploring Operation: 9*16=144, Resulting Numbers: [144] 144,13 unequal: No Solution Moving to Node #0,0,3 Current State: 13:[20, 13], Operations: ['41-32=9', '4+9=13'] Exploring Operation: 20*13=260, Resulting Numbers: [260] 260,13 unequal: No Solution Exploring Operation: 20+13=33, Resulting Numbers: [33] 33,13 unequal: No Solution Exploring Operation: 20-13=7, Resulting Numbers: [7] 7,13 unequal: No Solution Moving to Node #0,0,1 Current State: 13:[4, 11], Operations: ['41-32=9', '20-9=11'] Exploring Operation: 4+11=15, Resulting Numbers: [15] 15,13 unequal: No Solution Exploring Operation: 4*11=44, Resulting Numbers: [44] 44,13 unequal: No Solution Exploring Operation: 11-4=7, Resulting Numbers: [7] 7,13 unequal: No Solution Moving to Node #0,0,0 Current State: 13:[9, 5], Operations: ['41-32=9', '20/4=5'] Exploring Operation: 9+5=14, Resulting Numbers: [14] 14,13 unequal: No Solution Exploring Operation: 9-5=4, Resulting Numbers: [4] 4,13 unequal: No Solution Exploring Operation: 9*5=45, Resulting Numbers: [45] 45,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 13:[4, 32, 21], Operations: ['41-20=21'] Exploring Operation: 32/4=8, Resulting Numbers: [21, 8] Generated Node #0,2,0: 13:[21, 8] Operation: 32/4=8 Exploring Operation: 21-4=17, Resulting Numbers: [32, 17] Generated Node #0,2,1: 13:[32, 17] Operation: 21-4=17 Exploring Operation: 32-21=11, Resulting Numbers: [4, 11] Generated Node #0,2,2: 13:[4, 11] Operation: 32-21=11 Exploring Operation: 32-4=28, Resulting Numbers: [21, 28] Generated Node #0,2,3: 13:[21, 28] Operation: 32-4=28 Moving to Node #0,2,2 Current State: 13:[4, 11], Operations: ['41-20=21', '32-21=11'] Exploring Operation: 4+11=15, Resulting Numbers: [15] 15,13 unequal: No Solution Exploring Operation: 4*11=44, Resulting Numbers: [44] 44,13 unequal: No Solution Exploring Operation: 11-4=7, Resulting Numbers: [7] 7,13 unequal: No Solution Moving to Node #0,2,0 Current State: 13:[21, 8], Operations: ['41-20=21', '32/4=8'] Exploring Operation: 21-8=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Moving to Node #0 Current State: 13:[20, 4, 32, 41], Operations: [] Exploring Operation: 41-20=21, Resulting Numbers: [4, 32, 21] Generated Node #0,2: 13:[4, 32, 21] Operation: 41-20=21 Moving to Node #0,2 Current State: 13:[4, 32, 21], Operations: ['41-20=21'] Exploring Operation: 32/4=8, Resulting Numbers: [21, 8] Generated Node #0,2,0: 13:[21, 8] Operation: 32/4=8 Moving to Node #0,2,0 Current State: 13:[21, 8], Operations: ['41-20=21', '32/4=8'] Exploring Operation: 21-8=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Exit Sub Search at level 1
0.972222
hs_4
mult_heuristic
[ 99, 51, 31, 11 ]
29
[ "99/11=9", "51-31=20", "9+20=29" ]
Current State: 29:[99, 51, 31, 11], Operations: [] Exploring Operation: 99/11=9, Resulting Numbers: [51, 31, 9] Generated Node #2: [51, 31, 9] from Operation: 99/11=9 Current State: 29:[51, 31, 9], Operations: ['99/11=9'] Exploring Operation: 51-31=20, Resulting Numbers: [9, 20] Generated Node #3: [9, 20] from Operation: 51-31=20 Current State: 29:[9, 20], Operations: ['99/11=9', '51-31=20'] Exploring Operation: 9+20=29, Resulting Numbers: [29] 29,29 equal: Goal Reached
4
Current State: 29:[99, 51, 31, 11], Operations: [] Exploring Operation: 99-51=48, Resulting Numbers: [31, 11, 48] Generated Node #0,0: 29:[31, 11, 48] Operation: 99-51=48 Exploring Operation: 99/11=9, Resulting Numbers: [51, 31, 9] Generated Node #0,1: 29:[51, 31, 9] Operation: 99/11=9 Exploring Operation: 99-31=68, Resulting Numbers: [51, 11, 68] Generated Node #0,2: 29:[51, 11, 68] Operation: 99-31=68 Moving to Node #0,0 Current State: 29:[31, 11, 48], Operations: ['99-51=48'] Exploring Operation: 48-31=17, Resulting Numbers: [11, 17] Generated Node #0,0,0: 29:[11, 17] Operation: 48-31=17 Exploring Operation: 48-11=37, Resulting Numbers: [31, 37] Generated Node #0,0,1: 29:[31, 37] Operation: 48-11=37 Exploring Operation: 31-11=20, Resulting Numbers: [48, 20] Generated Node #0,0,2: 29:[48, 20] Operation: 31-11=20 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 29:[31, 37], Operations: ['99-51=48', '48-11=37'] Exploring Operation: 37-31=6, Resulting Numbers: [6] 6,29 unequal: No Solution Exploring Operation: 31+37=68, Resulting Numbers: [68] 68,29 unequal: No Solution Exploring Operation: 31*37=1147, Resulting Numbers: [1147] 1147,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 29:[48, 20], Operations: ['99-51=48', '31-11=20'] Exploring Operation: 48-20=28, Resulting Numbers: [28] 28,29 unequal: No Solution Exploring Operation: 48*20=960, Resulting Numbers: [960] 960,29 unequal: No Solution Exploring Operation: 48+20=68, Resulting Numbers: [68] 68,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 29:[11, 17], Operations: ['99-51=48', '48-31=17'] Exploring Operation: 17-11=6, Resulting Numbers: [6] 6,29 unequal: No Solution Exploring Operation: 11*17=187, Resulting Numbers: [187] 187,29 unequal: No Solution Exploring Operation: 11+17=28, Resulting Numbers: [28] 28,29 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: 29:[51, 31, 9], Operations: ['99/11=9'] Exploring Operation: 31-9=22, Resulting Numbers: [51, 22] Generated Node #0,1,0: 29:[51, 22] Operation: 31-9=22 Exploring Operation: 51-31=20, Resulting Numbers: [9, 20] Generated Node #0,1,1: 29:[9, 20] Operation: 51-31=20 Exploring Operation: 51-9=42, Resulting Numbers: [31, 42] Generated Node #0,1,2: 29:[31, 42] Operation: 51-9=42 Moving to Node #0,2 Current State: 29:[51, 11, 68], Operations: ['99-31=68'] Exploring Operation: 68-11=57, Resulting Numbers: [51, 57] Generated Node #0,2,0: 29:[51, 57] Operation: 68-11=57 Exploring Operation: 68-51=17, Resulting Numbers: [11, 17] Generated Node #0,2,1: 29:[11, 17] Operation: 68-51=17 Exploring Operation: 51-11=40, Resulting Numbers: [68, 40] Generated Node #0,2,2: 29:[68, 40] Operation: 51-11=40 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 29:[11, 17], Operations: ['99-31=68', '68-51=17'] Exploring Operation: 11+17=28, Resulting Numbers: [28] 28,29 unequal: No Solution Exploring Operation: 11*17=187, Resulting Numbers: [187] 187,29 unequal: No Solution Exploring Operation: 17-11=6, Resulting Numbers: [6] 6,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 29:[51, 57], Operations: ['99-31=68', '68-11=57'] Exploring Operation: 51*57=2907, Resulting Numbers: [2907] 2907,29 unequal: No Solution Exploring Operation: 57-51=6, Resulting Numbers: [6] 6,29 unequal: No Solution Exploring Operation: 51+57=108, Resulting Numbers: [108] 108,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 29:[68, 40], Operations: ['99-31=68', '51-11=40'] Exploring Operation: 68-40=28, Resulting Numbers: [28] 28,29 unequal: No Solution Exploring Operation: 68*40=2720, Resulting Numbers: [2720] 2720,29 unequal: No Solution Exploring Operation: 68+40=108, Resulting Numbers: [108] 108,29 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: 29:[31, 42], Operations: ['99/11=9', '51-9=42'] Exploring Operation: 31+42=73, Resulting Numbers: [73] 73,29 unequal: No Solution Exploring Operation: 42-31=11, Resulting Numbers: [11] 11,29 unequal: No Solution Exploring Operation: 31*42=1302, Resulting Numbers: [1302] 1302,29 unequal: No Solution Moving to Node #0,1,0 Current State: 29:[51, 22], Operations: ['99/11=9', '31-9=22'] Exploring Operation: 51+22=73, Resulting Numbers: [73] 73,29 unequal: No Solution Exploring Operation: 51*22=1122, Resulting Numbers: [1122] 1122,29 unequal: No Solution Exploring Operation: 51-22=29, Resulting Numbers: [29] 29,29 equal: Goal Reached Moving to Node #0 Current State: 29:[99, 51, 31, 11], Operations: [] Exploring Operation: 99/11=9, Resulting Numbers: [51, 31, 9] Generated Node #0,1: 29:[51, 31, 9] Operation: 99/11=9 Moving to Node #0,1 Current State: 29:[51, 31, 9], Operations: ['99/11=9'] Exploring Operation: 31-9=22, Resulting Numbers: [51, 22] Generated Node #0,1,0: 29:[51, 22] Operation: 31-9=22 Moving to Node #0,1,0 Current State: 29:[51, 22], Operations: ['99/11=9', '31-9=22'] Exploring Operation: 51-22=29, Resulting Numbers: [29] 29,29 equal: Goal Reached
0.965278
hs_3
mult_heuristic
[ 37, 34, 43, 84 ]
38
[ "37-34=3", "84-43=41", "41-3=38" ]
Current State: 38:[37, 34, 43, 84], Operations: [] Exploring Operation: 37-34=3, Resulting Numbers: [43, 84, 3] Generated Node #2: [43, 84, 3] from Operation: 37-34=3 Current State: 38:[43, 84, 3], Operations: ['37-34=3'] Exploring Operation: 84-43=41, Resulting Numbers: [3, 41] Generated Node #3: [3, 41] from Operation: 84-43=41 Current State: 38:[3, 41], Operations: ['37-34=3', '84-43=41'] Exploring Operation: 41-3=38, Resulting Numbers: [38] 38,38 equal: Goal Reached
4
Current State: 38:[37, 34, 43, 84], Operations: [] Exploring Operation: 84-43=41, Resulting Numbers: [37, 34, 41] Generated Node #0,0: 38:[37, 34, 41] Operation: 84-43=41 Exploring Operation: 84-37=47, Resulting Numbers: [34, 43, 47] Generated Node #0,1: 38:[34, 43, 47] Operation: 84-37=47 Moving to Node #0,0 Current State: 38:[37, 34, 41], Operations: ['84-43=41'] Exploring Operation: 37-34=3, Resulting Numbers: [41, 3] Generated Node #0,0,0: 38:[41, 3] Operation: 37-34=3 Exploring Operation: 41-37=4, Resulting Numbers: [34, 4] Generated Node #0,0,1: 38:[34, 4] Operation: 41-37=4 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 38:[41, 3], Operations: ['84-43=41', '37-34=3'] Exploring Operation: 41+3=44, Resulting Numbers: [44] 44,38 unequal: No Solution Exploring Operation: 41-3=38, Resulting Numbers: [38] 38,38 equal: Goal Reached Moving to Node #0 Current State: 38:[37, 34, 43, 84], Operations: [] Exploring Operation: 84-43=41, Resulting Numbers: [37, 34, 41] Generated Node #0,0: 38:[37, 34, 41] Operation: 84-43=41 Moving to Node #0,0 Current State: 38:[37, 34, 41], Operations: ['84-43=41'] Exploring Operation: 37-34=3, Resulting Numbers: [41, 3] Generated Node #0,0,0: 38:[41, 3] Operation: 37-34=3 Moving to Node #0,0,0 Current State: 38:[41, 3], Operations: ['84-43=41', '37-34=3'] Exploring Operation: 41-3=38, Resulting Numbers: [38] 38,38 equal: Goal Reached Exit Sub Search at level 1
0.991319
hs_2
mult_heuristic
[ 45, 42, 6, 37 ]
75
[ "45+37=82", "42/6=7", "82-7=75" ]
Current State: 75:[45, 42, 6, 37], Operations: [] Exploring Operation: 45+37=82, Resulting Numbers: [42, 6, 82] Generated Node #2: [42, 6, 82] from Operation: 45+37=82 Current State: 75:[42, 6, 82], Operations: ['45+37=82'] Exploring Operation: 42/6=7, Resulting Numbers: [82, 7] Generated Node #3: [82, 7] from Operation: 42/6=7 Current State: 75:[82, 7], Operations: ['45+37=82', '42/6=7'] Exploring Operation: 82-7=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
4
Current State: 75:[45, 42, 6, 37], Operations: [] Exploring Operation: 42-37=5, Resulting Numbers: [45, 6, 5] Generated Node #0,0: 75:[45, 6, 5] Operation: 42-37=5 Exploring Operation: 45+42=87, Resulting Numbers: [6, 37, 87] Generated Node #0,1: 75:[6, 37, 87] Operation: 45+42=87 Exploring Operation: 45-42=3, Resulting Numbers: [6, 37, 3] Generated Node #0,2: 75:[6, 37, 3] Operation: 45-42=3 Exploring Operation: 45+37=82, Resulting Numbers: [42, 6, 82] Generated Node #0,3: 75:[42, 6, 82] Operation: 45+37=82 Exploring Operation: 45-37=8, Resulting Numbers: [42, 6, 8] Generated Node #0,4: 75:[42, 6, 8] Operation: 45-37=8 Start Sub Search at level 1: Moving to Node #0,2 Current State: 75:[6, 37, 3], Operations: ['45-42=3'] Exploring Operation: 37-3=34, Resulting Numbers: [6, 34] Generated Node #0,2,0: 75:[6, 34] Operation: 37-3=34 Exploring Operation: 6*3=18, Resulting Numbers: [37, 18] Generated Node #0,2,1: 75:[37, 18] Operation: 6*3=18 Exploring Operation: 6/3=2, Resulting Numbers: [37, 2] Generated Node #0,2,2: 75:[37, 2] Operation: 6/3=2 Exploring Operation: 37-6=31, Resulting Numbers: [3, 31] Generated Node #0,2,3: 75:[3, 31] Operation: 37-6=31 Exploring Operation: 6-3=3, Resulting Numbers: [37, 3] Generated Node #0,2,4: 75:[37, 3] Operation: 6-3=3 Moving to Node #0,2,3 Current State: 75:[3, 31], Operations: ['45-42=3', '37-6=31'] Exploring Operation: 3*31=93, Resulting Numbers: [93] 93,75 unequal: No Solution Exploring Operation: 31-3=28, Resulting Numbers: [28] 28,75 unequal: No Solution Exploring Operation: 3+31=34, Resulting Numbers: [34] 34,75 unequal: No Solution Moving to Node #0,2,0 Current State: 75:[6, 34], Operations: ['45-42=3', '37-3=34'] Exploring Operation: 6+34=40, Resulting Numbers: [40] 40,75 unequal: No Solution Exploring Operation: 34-6=28, Resulting Numbers: [28] 28,75 unequal: No Solution Exploring Operation: 6*34=204, Resulting Numbers: [204] 204,75 unequal: No Solution Moving to Node #0,2,4 Current State: 75:[37, 3], Operations: ['45-42=3', '6-3=3'] Exploring Operation: 37*3=111, Resulting Numbers: [111] 111,75 unequal: No Solution Exploring Operation: 37-3=34, Resulting Numbers: [34] 34,75 unequal: No Solution Exploring Operation: 37+3=40, Resulting Numbers: [40] 40,75 unequal: No Solution Moving to Node #0,2,2 Current State: 75:[37, 2], Operations: ['45-42=3', '6/3=2'] Exploring Operation: 37+2=39, Resulting Numbers: [39] 39,75 unequal: No Solution Exploring Operation: 37*2=74, Resulting Numbers: [74] 74,75 unequal: No Solution Exploring Operation: 37-2=35, Resulting Numbers: [35] 35,75 unequal: No Solution Moving to Node #0,2,1 Current State: 75:[37, 18], Operations: ['45-42=3', '6*3=18'] Exploring Operation: 37-18=19, Resulting Numbers: [19] 19,75 unequal: No Solution Exploring Operation: 37+18=55, Resulting Numbers: [55] 55,75 unequal: No Solution Exploring Operation: 37*18=666, Resulting Numbers: [666] 666,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 75:[45, 6, 5], Operations: ['42-37=5'] Exploring Operation: 45-5=40, Resulting Numbers: [6, 40] Generated Node #0,0,0: 75:[6, 40] Operation: 45-5=40 Exploring Operation: 45+6=51, Resulting Numbers: [5, 51] Generated Node #0,0,1: 75:[5, 51] Operation: 45+6=51 Exploring Operation: 45/5=9, Resulting Numbers: [6, 9] Generated Node #0,0,2: 75:[6, 9] Operation: 45/5=9 Exploring Operation: 45-6=39, Resulting Numbers: [5, 39] Generated Node #0,0,3: 75:[5, 39] Operation: 45-6=39 Exploring Operation: 6-5=1, Resulting Numbers: [45, 1] Generated Node #0,0,4: 75:[45, 1] Operation: 6-5=1 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 75:[6, 9], Operations: ['42-37=5', '45/5=9'] Exploring Operation: 6*9=54, Resulting Numbers: [54] 54,75 unequal: No Solution Exploring Operation: 6+9=15, Resulting Numbers: [15] 15,75 unequal: No Solution Exploring Operation: 9-6=3, Resulting Numbers: [3] 3,75 unequal: No Solution No 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: 75:[5, 39], Operations: ['42-37=5', '45-6=39'] Exploring Operation: 5*39=195, Resulting Numbers: [195] 195,75 unequal: No Solution Exploring Operation: 5+39=44, Resulting Numbers: [44] 44,75 unequal: No Solution Exploring Operation: 39-5=34, Resulting Numbers: [34] 34,75 unequal: No Solution No 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: 75:[6, 40], Operations: ['42-37=5', '45-5=40'] Exploring Operation: 40-6=34, Resulting Numbers: [34] 34,75 unequal: No Solution Exploring Operation: 6*40=240, Resulting Numbers: [240] 240,75 unequal: No Solution Exploring Operation: 6+40=46, Resulting Numbers: [46] 46,75 unequal: No Solution No 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: 75:[45, 1], Operations: ['42-37=5', '6-5=1'] Exploring Operation: 45/1=45, Resulting Numbers: [45] 45,75 unequal: No Solution Exploring Operation: 45*1=45, Resulting Numbers: [45] 45,75 unequal: No Solution Exploring Operation: 45+1=46, Resulting Numbers: [46] 46,75 unequal: No Solution Exploring Operation: 45-1=44, Resulting Numbers: [44] 44,75 unequal: No Solution No 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: 75:[5, 51], Operations: ['42-37=5', '45+6=51'] Exploring Operation: 51-5=46, Resulting Numbers: [46] 46,75 unequal: No Solution Exploring Operation: 5*51=255, Resulting Numbers: [255] 255,75 unequal: No Solution Exploring Operation: 5+51=56, Resulting Numbers: [56] 56,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 75:[42, 6, 8], Operations: ['45-37=8'] Exploring Operation: 42-8=34, Resulting Numbers: [6, 34] Generated Node #0,4,0: 75:[6, 34] Operation: 42-8=34 Exploring Operation: 8-6=2, Resulting Numbers: [42, 2] Generated Node #0,4,1: 75:[42, 2] Operation: 8-6=2 Exploring Operation: 6+8=14, Resulting Numbers: [42, 14] Generated Node #0,4,2: 75:[42, 14] Operation: 6+8=14 Exploring Operation: 42-6=36, Resulting Numbers: [8, 36] Generated Node #0,4,3: 75:[8, 36] Operation: 42-6=36 Exploring Operation: 42/6=7, Resulting Numbers: [8, 7] Generated Node #0,4,4: 75:[8, 7] Operation: 42/6=7 Moving to Node #0,4,4 Current State: 75:[8, 7], Operations: ['45-37=8', '42/6=7'] Exploring Operation: 8*7=56, Resulting Numbers: [56] 56,75 unequal: No Solution Exploring Operation: 8+7=15, Resulting Numbers: [15] 15,75 unequal: No Solution Exploring Operation: 8-7=1, Resulting Numbers: [1] 1,75 unequal: No Solution Moving to Node #0,4,0 Current State: 75:[6, 34], Operations: ['45-37=8', '42-8=34'] Exploring Operation: 6*34=204, Resulting Numbers: [204] 204,75 unequal: No Solution Exploring Operation: 34-6=28, Resulting Numbers: [28] 28,75 unequal: No Solution Exploring Operation: 6+34=40, Resulting Numbers: [40] 40,75 unequal: No Solution Moving to Node #0,4,3 Current State: 75:[8, 36], Operations: ['45-37=8', '42-6=36'] Exploring Operation: 36-8=28, Resulting Numbers: [28] 28,75 unequal: No Solution Exploring Operation: 8*36=288, Resulting Numbers: [288] 288,75 unequal: No Solution Exploring Operation: 8+36=44, Resulting Numbers: [44] 44,75 unequal: No Solution Moving to Node #0,4,1 Current State: 75:[42, 2], Operations: ['45-37=8', '8-6=2'] Exploring Operation: 42+2=44, Resulting Numbers: [44] 44,75 unequal: No Solution Exploring Operation: 42-2=40, Resulting Numbers: [40] 40,75 unequal: No Solution Exploring Operation: 42/2=21, Resulting Numbers: [21] 21,75 unequal: No Solution Exploring Operation: 42*2=84, Resulting Numbers: [84] 84,75 unequal: No Solution Moving to Node #0,4,2 Current State: 75:[42, 14], Operations: ['45-37=8', '6+8=14'] Exploring Operation: 42+14=56, Resulting Numbers: [56] 56,75 unequal: No Solution Exploring Operation: 42*14=588, Resulting Numbers: [588] 588,75 unequal: No Solution Exploring Operation: 42/14=3, Resulting Numbers: [3] 3,75 unequal: No Solution Exploring Operation: 42-14=28, Resulting Numbers: [28] 28,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 75:[6, 37, 87], Operations: ['45+42=87'] Exploring Operation: 87-37=50, Resulting Numbers: [6, 50] Generated Node #0,1,0: 75:[6, 50] Operation: 87-37=50 Exploring Operation: 87-6=81, Resulting Numbers: [37, 81] Generated Node #0,1,1: 75:[37, 81] Operation: 87-6=81 Exploring Operation: 6+87=93, Resulting Numbers: [37, 93] Generated Node #0,1,2: 75:[37, 93] Operation: 6+87=93 Exploring Operation: 37-6=31, Resulting Numbers: [87, 31] Generated Node #0,1,3: 75:[87, 31] Operation: 37-6=31 Exploring Operation: 6+37=43, Resulting Numbers: [87, 43] Generated Node #0,1,4: 75:[87, 43] Operation: 6+37=43 Moving to Node #0,1,1 Current State: 75:[37, 81], Operations: ['45+42=87', '87-6=81'] Exploring Operation: 37*81=2997, Resulting Numbers: [2997] 2997,75 unequal: No Solution Exploring Operation: 81-37=44, Resulting Numbers: [44] 44,75 unequal: No Solution Exploring Operation: 37+81=118, Resulting Numbers: [118] 118,75 unequal: No Solution Moving to Node #0,1,3 Current State: 75:[87, 31], Operations: ['45+42=87', '37-6=31'] Exploring Operation: 87-31=56, Resulting Numbers: [56] 56,75 unequal: No Solution Exploring Operation: 87+31=118, Resulting Numbers: [118] 118,75 unequal: No Solution Exploring Operation: 87*31=2697, Resulting Numbers: [2697] 2697,75 unequal: No Solution Moving to Node #0,1,0 Current State: 75:[6, 50], Operations: ['45+42=87', '87-37=50'] Exploring Operation: 6*50=300, Resulting Numbers: [300] 300,75 unequal: No Solution Exploring Operation: 50-6=44, Resulting Numbers: [44] 44,75 unequal: No Solution Exploring Operation: 6+50=56, Resulting Numbers: [56] 56,75 unequal: No Solution Moving to Node #0,1,2 Current State: 75:[37, 93], Operations: ['45+42=87', '6+87=93'] Exploring Operation: 37+93=130, Resulting Numbers: [130] 130,75 unequal: No Solution Exploring Operation: 37*93=3441, Resulting Numbers: [3441] 3441,75 unequal: No Solution Exploring Operation: 93-37=56, Resulting Numbers: [56] 56,75 unequal: No Solution Moving to Node #0,1,4 Current State: 75:[87, 43], Operations: ['45+42=87', '6+37=43'] Exploring Operation: 87-43=44, Resulting Numbers: [44] 44,75 unequal: No Solution Exploring Operation: 87+43=130, Resulting Numbers: [130] 130,75 unequal: No Solution Exploring Operation: 87*43=3741, Resulting Numbers: [3741] 3741,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 75:[42, 6, 82], Operations: ['45+37=82'] Exploring Operation: 82-42=40, Resulting Numbers: [6, 40] Generated Node #0,3,0: 75:[6, 40] Operation: 82-42=40 Exploring Operation: 42-6=36, Resulting Numbers: [82, 36] Generated Node #0,3,1: 75:[82, 36] Operation: 42-6=36 Exploring Operation: 42+6=48, Resulting Numbers: [82, 48] Generated Node #0,3,2: 75:[82, 48] Operation: 42+6=48 Exploring Operation: 42/6=7, Resulting Numbers: [82, 7] Generated Node #0,3,3: 75:[82, 7] Operation: 42/6=7 Exploring Operation: 82-6=76, Resulting Numbers: [42, 76] Generated Node #0,3,4: 75:[42, 76] Operation: 82-6=76 Moving to Node #0,3,3 Current State: 75:[82, 7], Operations: ['45+37=82', '42/6=7'] Exploring Operation: 82-7=75, Resulting Numbers: [75] 75,75 equal: Goal Reached Moving to Node #0 Current State: 75:[45, 42, 6, 37], Operations: [] Exploring Operation: 45+37=82, Resulting Numbers: [42, 6, 82] Generated Node #0,3: 75:[42, 6, 82] Operation: 45+37=82 Moving to Node #0,3 Current State: 75:[42, 6, 82], Operations: ['45+37=82'] Exploring Operation: 42/6=7, Resulting Numbers: [82, 7] Generated Node #0,3,3: 75:[82, 7] Operation: 42/6=7 Moving to Node #0,3,3 Current State: 75:[82, 7], Operations: ['45+37=82', '42/6=7'] Exploring Operation: 82-7=75, Resulting Numbers: [75] 75,75 equal: Goal Reached Exit Sub Search at level 1
0.914931
hs_5
mult_heuristic
[ 23, 41, 1, 45 ]
91
[ "45-41=4", "23*4=92", "92-1=91" ]
Current State: 91:[23, 41, 1, 45], Operations: [] Exploring Operation: 45-41=4, Resulting Numbers: [23, 1, 4] Generated Node #2: [23, 1, 4] from Operation: 45-41=4 Current State: 91:[23, 1, 4], Operations: ['45-41=4'] Exploring Operation: 23*4=92, Resulting Numbers: [1, 92] Generated Node #3: [1, 92] from Operation: 23*4=92 Current State: 91:[1, 92], Operations: ['45-41=4', '23*4=92'] Exploring Operation: 92-1=91, Resulting Numbers: [91] 91,91 equal: Goal Reached
4
Current State: 91:[23, 41, 1, 45], Operations: [] Exploring Operation: 45-41=4, Resulting Numbers: [23, 1, 4] Generated Node #0,0: 91:[23, 1, 4] Operation: 45-41=4 Exploring Operation: 41+45=86, Resulting Numbers: [23, 1, 86] Generated Node #0,1: 91:[23, 1, 86] Operation: 41+45=86 Exploring Operation: 41-23=18, Resulting Numbers: [1, 45, 18] Generated Node #0,2: 91:[1, 45, 18] Operation: 41-23=18 Start Sub Search at level 1: Moving to Node #0,0 Current State: 91:[23, 1, 4], Operations: ['45-41=4'] Exploring Operation: 23-1=22, Resulting Numbers: [4, 22] Generated Node #0,0,0: 91:[4, 22] Operation: 23-1=22 Exploring Operation: 23-4=19, Resulting Numbers: [1, 19] Generated Node #0,0,1: 91:[1, 19] Operation: 23-4=19 Exploring Operation: 23*4=92, Resulting Numbers: [1, 92] Generated Node #0,0,2: 91:[1, 92] Operation: 23*4=92 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 91:[1, 92], Operations: ['45-41=4', '23*4=92'] Exploring Operation: 92-1=91, Resulting Numbers: [91] 91,91 equal: Goal Reached Moving to Node #0 Current State: 91:[23, 41, 1, 45], Operations: [] Exploring Operation: 45-41=4, Resulting Numbers: [23, 1, 4] Generated Node #0,0: 91:[23, 1, 4] Operation: 45-41=4 Moving to Node #0,0 Current State: 91:[23, 1, 4], Operations: ['45-41=4'] Exploring Operation: 23*4=92, Resulting Numbers: [1, 92] Generated Node #0,0,2: 91:[1, 92] Operation: 23*4=92 Moving to Node #0,0,2 Current State: 91:[1, 92], Operations: ['45-41=4', '23*4=92'] Exploring Operation: 92-1=91, Resulting Numbers: [91] 91,91 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.990451
hs_3
sum_heuristic
[ 97, 99, 58, 19 ]
59
[ "99*58=5742", "5742-19=5723", "5723/97=59" ]
Current State: 59:[97, 99, 58, 19], Operations: [] Exploring Operation: 99*58=5742, Resulting Numbers: [97, 19, 5742] Generated Node #2: [97, 19, 5742] from Operation: 99*58=5742 Current State: 59:[97, 19, 5742], Operations: ['99*58=5742'] Exploring Operation: 5742-19=5723, Resulting Numbers: [97, 5723] Generated Node #3: [97, 5723] from Operation: 5742-19=5723 Current State: 59:[97, 5723], Operations: ['99*58=5742', '5742-19=5723'] Exploring Operation: 5723/97=59, Resulting Numbers: [59] 59,59 equal: Goal Reached
4
Current State: 59:[97, 99, 58, 19], Operations: [] Exploring Operation: 58+19=77, Resulting Numbers: [97, 99, 77] Generated Node #0,0: 59:[97, 99, 77] Operation: 58+19=77 Exploring Operation: 97-19=78, Resulting Numbers: [99, 58, 78] Generated Node #0,1: 59:[99, 58, 78] Operation: 97-19=78 Exploring Operation: 99-19=80, Resulting Numbers: [97, 58, 80] Generated Node #0,2: 59:[97, 58, 80] Operation: 99-19=80 Exploring Operation: 99-58=41, Resulting Numbers: [97, 19, 41] Generated Node #0,3: 59:[97, 19, 41] Operation: 99-58=41 Moving to Node #0,1 Current State: 59:[99, 58, 78], Operations: ['97-19=78'] Exploring Operation: 99-58=41, Resulting Numbers: [78, 41] Generated Node #0,1,0: 59:[78, 41] Operation: 99-58=41 Exploring Operation: 99+58=157, Resulting Numbers: [78, 157] Generated Node #0,1,1: 59:[78, 157] Operation: 99+58=157 Exploring Operation: 78-58=20, Resulting Numbers: [99, 20] Generated Node #0,1,2: 59:[99, 20] Operation: 78-58=20 Exploring Operation: 99-78=21, Resulting Numbers: [58, 21] Generated Node #0,1,3: 59:[58, 21] Operation: 99-78=21 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 59:[78, 41], Operations: ['97-19=78', '99-58=41'] Exploring Operation: 78+41=119, Resulting Numbers: [119] 119,59 unequal: No Solution Exploring Operation: 78*41=3198, Resulting Numbers: [3198] 3198,59 unequal: No Solution Exploring Operation: 78-41=37, Resulting Numbers: [37] 37,59 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 59:[58, 21], Operations: ['97-19=78', '99-78=21'] Exploring Operation: 58-21=37, Resulting Numbers: [37] 37,59 unequal: No Solution Exploring Operation: 58*21=1218, Resulting Numbers: [1218] 1218,59 unequal: No Solution Exploring Operation: 58+21=79, Resulting Numbers: [79] 79,59 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 59:[99, 20], Operations: ['97-19=78', '78-58=20'] Exploring Operation: 99+20=119, Resulting Numbers: [119] 119,59 unequal: No Solution Exploring Operation: 99-20=79, Resulting Numbers: [79] 79,59 unequal: No Solution Exploring Operation: 99*20=1980, Resulting Numbers: [1980] 1980,59 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 59:[78, 157], Operations: ['97-19=78', '99+58=157'] Exploring Operation: 78*157=12246, Resulting Numbers: [12246] 12246,59 unequal: No Solution Exploring Operation: 78+157=235, Resulting Numbers: [235] 235,59 unequal: No Solution Exploring Operation: 157-78=79, Resulting Numbers: [79] 79,59 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: 59:[97, 58, 80], Operations: ['99-19=80'] Exploring Operation: 97-58=39, Resulting Numbers: [80, 39] Generated Node #0,2,0: 59:[80, 39] Operation: 97-58=39 Exploring Operation: 97+58=155, Resulting Numbers: [80, 155] Generated Node #0,2,1: 59:[80, 155] Operation: 97+58=155 Exploring Operation: 97-80=17, Resulting Numbers: [58, 17] Generated Node #0,2,2: 59:[58, 17] Operation: 97-80=17 Exploring Operation: 80-58=22, Resulting Numbers: [97, 22] Generated Node #0,2,3: 59:[97, 22] Operation: 80-58=22 Moving to Node #0,3 Current State: 59:[97, 19, 41], Operations: ['99-58=41'] Exploring Operation: 97-41=56, Resulting Numbers: [19, 56] Generated Node #0,3,0: 59:[19, 56] Operation: 97-41=56 Exploring Operation: 19+41=60, Resulting Numbers: [97, 60] Generated Node #0,3,1: 59:[97, 60] Operation: 19+41=60 Exploring Operation: 97-19=78, Resulting Numbers: [41, 78] Generated Node #0,3,2: 59:[41, 78] Operation: 97-19=78 Exploring Operation: 97+19=116, Resulting Numbers: [41, 116] Generated Node #0,3,3: 59:[41, 116] Operation: 97+19=116 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 59:[41, 78], Operations: ['99-58=41', '97-19=78'] Exploring Operation: 41*78=3198, Resulting Numbers: [3198] 3198,59 unequal: No Solution Exploring Operation: 78-41=37, Resulting Numbers: [37] 37,59 unequal: No Solution Exploring Operation: 41+78=119, Resulting Numbers: [119] 119,59 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 59:[97, 60], Operations: ['99-58=41', '19+41=60'] Exploring Operation: 97+60=157, Resulting Numbers: [157] 157,59 unequal: No Solution Exploring Operation: 97-60=37, Resulting Numbers: [37] 37,59 unequal: No Solution Exploring Operation: 97*60=5820, Resulting Numbers: [5820] 5820,59 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 59:[19, 56], Operations: ['99-58=41', '97-41=56'] Exploring Operation: 19*56=1064, Resulting Numbers: [1064] 1064,59 unequal: No Solution Exploring Operation: 56-19=37, Resulting Numbers: [37] 37,59 unequal: No Solution Exploring Operation: 19+56=75, Resulting Numbers: [75] 75,59 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 59:[41, 116], Operations: ['99-58=41', '97+19=116'] Exploring Operation: 41+116=157, Resulting Numbers: [157] 157,59 unequal: No Solution Exploring Operation: 116-41=75, Resulting Numbers: [75] 75,59 unequal: No Solution Exploring Operation: 41*116=4756, Resulting Numbers: [4756] 4756,59 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 59:[97, 99, 77], Operations: ['58+19=77'] Exploring Operation: 99-97=2, Resulting Numbers: [77, 2] Generated Node #0,0,0: 59:[77, 2] Operation: 99-97=2 Exploring Operation: 97-77=20, Resulting Numbers: [99, 20] Generated Node #0,0,1: 59:[99, 20] Operation: 97-77=20 Exploring Operation: 97+99=196, Resulting Numbers: [77, 196] Generated Node #0,0,2: 59:[77, 196] Operation: 97+99=196 Exploring Operation: 99-77=22, Resulting Numbers: [97, 22] Generated Node #0,0,3: 59:[97, 22] Operation: 99-77=22 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 59:[77, 2], Operations: ['58+19=77', '99-97=2'] Exploring Operation: 77*2=154, Resulting Numbers: [154] 154,59 unequal: No Solution Exploring Operation: 77+2=79, Resulting Numbers: [79] 79,59 unequal: No Solution Exploring Operation: 77-2=75, Resulting Numbers: [75] 75,59 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 59:[97, 22], Operations: ['58+19=77', '99-77=22'] Exploring Operation: 97*22=2134, Resulting Numbers: [2134] 2134,59 unequal: No Solution Exploring Operation: 97-22=75, Resulting Numbers: [75] 75,59 unequal: No Solution Exploring Operation: 97+22=119, Resulting Numbers: [119] 119,59 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 59:[99, 20], Operations: ['58+19=77', '97-77=20'] Exploring Operation: 99-20=79, Resulting Numbers: [79] 79,59 unequal: No Solution Exploring Operation: 99+20=119, Resulting Numbers: [119] 119,59 unequal: No Solution Exploring Operation: 99*20=1980, Resulting Numbers: [1980] 1980,59 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 59:[77, 196], Operations: ['58+19=77', '97+99=196'] Exploring Operation: 77*196=15092, Resulting Numbers: [15092] 15092,59 unequal: No Solution Exploring Operation: 77+196=273, Resulting Numbers: [273] 273,59 unequal: No Solution Exploring Operation: 196-77=119, Resulting Numbers: [119] 119,59 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2,0 Current State: 59:[80, 39], Operations: ['99-19=80', '97-58=39'] Exploring Operation: 80-39=41, Resulting Numbers: [41] 41,59 unequal: No Solution Exploring Operation: 80+39=119, Resulting Numbers: [119] 119,59 unequal: No Solution Exploring Operation: 80*39=3120, Resulting Numbers: [3120] 3120,59 unequal: No Solution Moving to Node #0,2,2 Current State: 59:[58, 17], Operations: ['99-19=80', '97-80=17'] Exploring Operation: 58+17=75, Resulting Numbers: [75] 75,59 unequal: No Solution Exploring Operation: 58*17=986, Resulting Numbers: [986] 986,59 unequal: No Solution Exploring Operation: 58-17=41, Resulting Numbers: [41] 41,59 unequal: No Solution Moving to Node #0,2,3 Current State: 59:[97, 22], Operations: ['99-19=80', '80-58=22'] Exploring Operation: 97*22=2134, Resulting Numbers: [2134] 2134,59 unequal: No Solution Exploring Operation: 97+22=119, Resulting Numbers: [119] 119,59 unequal: No Solution Exploring Operation: 97-22=75, Resulting Numbers: [75] 75,59 unequal: No Solution Moving to Node #0,2,1 Current State: 59:[80, 155], Operations: ['99-19=80', '97+58=155'] Exploring Operation: 80+155=235, Resulting Numbers: [235] 235,59 unequal: No Solution Exploring Operation: 155-80=75, Resulting Numbers: [75] 75,59 unequal: No Solution Exploring Operation: 80*155=12400, Resulting Numbers: [12400] 12400,59 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 26, 70, 31, 44 ]
32
[ "70-26=44", "44/44=1", "31+1=32" ]
Current State: 32:[26, 70, 31, 44], Operations: [] Exploring Operation: 70-26=44, Resulting Numbers: [31, 44, 44] Generated Node #2: [31, 44, 44] from Operation: 70-26=44 Current State: 32:[31, 44, 44], Operations: ['70-26=44'] Exploring Operation: 44/44=1, Resulting Numbers: [31, 1] Generated Node #3: [31, 1] from Operation: 44/44=1 Current State: 32:[31, 1], Operations: ['70-26=44', '44/44=1'] Exploring Operation: 31+1=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[26, 70, 31, 44], Operations: [] Exploring Operation: 70-26=44, Resulting Numbers: [31, 44, 44] Generated Node #0,0: 32:[31, 44, 44] Operation: 70-26=44 Exploring Operation: 70-44=26, Resulting Numbers: [26, 31, 26] Generated Node #0,1: 32:[26, 31, 26] Operation: 70-44=26 Moving to Node #0,1 Current State: 32:[26, 31, 26], Operations: ['70-44=26'] Exploring Operation: 26-26=0, Resulting Numbers: [31, 0] Generated Node #0,1,0: 32:[31, 0] Operation: 26-26=0 Exploring Operation: 26/26=1, Resulting Numbers: [31, 1] Generated Node #0,1,1: 32:[31, 1] Operation: 26/26=1 Moving to Node #0,0 Current State: 32:[31, 44, 44], Operations: ['70-26=44'] Exploring Operation: 44-44=0, Resulting Numbers: [31, 0] Generated Node #0,0,0: 32:[31, 0] Operation: 44-44=0 Exploring Operation: 44/44=1, Resulting Numbers: [31, 1] Generated Node #0,0,1: 32:[31, 1] Operation: 44/44=1 Moving to Node #0,1,1 Current State: 32:[31, 1], Operations: ['70-44=26', '26/26=1'] Exploring Operation: 31*1=31, Resulting Numbers: [31] 31,32 unequal: No Solution Exploring Operation: 31+1=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Moving to Node #0 Current State: 32:[26, 70, 31, 44], Operations: [] Exploring Operation: 70-44=26, Resulting Numbers: [26, 31, 26] Generated Node #0,1: 32:[26, 31, 26] Operation: 70-44=26 Moving to Node #0,1 Current State: 32:[26, 31, 26], Operations: ['70-44=26'] Exploring Operation: 26/26=1, Resulting Numbers: [31, 1] Generated Node #0,1,1: 32:[31, 1] Operation: 26/26=1 Moving to Node #0,1,1 Current State: 32:[31, 1], Operations: ['70-44=26', '26/26=1'] Exploring Operation: 31+1=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
0.989583
hs_2
mult_heuristic
[ 18, 18, 69, 81 ]
12
[ "18-18=0", "81-69=12", "0+12=12" ]
Current State: 12:[18, 18, 69, 81], Operations: [] Exploring Operation: 18-18=0, Resulting Numbers: [69, 81, 0] Generated Node #2: [69, 81, 0] from Operation: 18-18=0 Current State: 12:[69, 81, 0], Operations: ['18-18=0'] Exploring Operation: 81-69=12, Resulting Numbers: [0, 12] Generated Node #3: [0, 12] from Operation: 81-69=12 Current State: 12:[0, 12], Operations: ['18-18=0', '81-69=12'] Exploring Operation: 0+12=12, Resulting Numbers: [12] 12,12 equal: Goal Reached
4
Current State: 12:[18, 18, 69, 81], Operations: [] Exploring Operation: 81-18=63, Resulting Numbers: [18, 69, 63] Generated Node #0,0: 12:[18, 69, 63] Operation: 81-18=63 Exploring Operation: 81-69=12, Resulting Numbers: [18, 18, 12] Generated Node #0,1: 12:[18, 18, 12] Operation: 81-69=12 Exploring Operation: 69-18=51, Resulting Numbers: [18, 81, 51] Generated Node #0,2: 12:[18, 81, 51] Operation: 69-18=51 Start Sub Search at level 1: Moving to Node #0,1 Current State: 12:[18, 18, 12], Operations: ['81-69=12'] Exploring Operation: 18/18=1, Resulting Numbers: [12, 1] Generated Node #0,1,0: 12:[12, 1] Operation: 18/18=1 Exploring Operation: 18-12=6, Resulting Numbers: [18, 6] Generated Node #0,1,1: 12:[18, 6] Operation: 18-12=6 Exploring Operation: 18-18=0, Resulting Numbers: [12, 0] Generated Node #0,1,2: 12:[12, 0] Operation: 18-18=0 Moving to Node #0,1,0 Current State: 12:[12, 1], Operations: ['81-69=12', '18/18=1'] Exploring Operation: 12+1=13, Resulting Numbers: [13] 13,12 unequal: No Solution Exploring Operation: 12*1=12, Resulting Numbers: [12] 12,12 equal: Goal Reached Moving to Node #0 Current State: 12:[18, 18, 69, 81], Operations: [] Exploring Operation: 81-69=12, Resulting Numbers: [18, 18, 12] Generated Node #0,1: 12:[18, 18, 12] Operation: 81-69=12 Moving to Node #0,1 Current State: 12:[18, 18, 12], Operations: ['81-69=12'] Exploring Operation: 18/18=1, Resulting Numbers: [12, 1] Generated Node #0,1,0: 12:[12, 1] Operation: 18/18=1 Moving to Node #0,1,0 Current State: 12:[12, 1], Operations: ['81-69=12', '18/18=1'] Exploring Operation: 12*1=12, Resulting Numbers: [12] 12,12 equal: Goal Reached Exit Sub Search at level 1
0.989583
hs_3
sum_heuristic
[ 34, 92, 79, 53 ]
100
[ "34+92=126", "79-53=26", "126-26=100" ]
Current State: 100:[34, 92, 79, 53], Operations: [] Exploring Operation: 34+92=126, Resulting Numbers: [79, 53, 126] Generated Node #2: [79, 53, 126] from Operation: 34+92=126 Current State: 100:[79, 53, 126], Operations: ['34+92=126'] Exploring Operation: 79-53=26, Resulting Numbers: [126, 26] Generated Node #3: [126, 26] from Operation: 79-53=26 Current State: 100:[126, 26], Operations: ['34+92=126', '79-53=26'] Exploring Operation: 126-26=100, Resulting Numbers: [100] 100,100 equal: Goal Reached
4
Current State: 100:[34, 92, 79, 53], Operations: [] Exploring Operation: 79-34=45, Resulting Numbers: [92, 53, 45] Generated Node #0,0: 100:[92, 53, 45] Operation: 79-34=45 Exploring Operation: 92-79=13, Resulting Numbers: [34, 53, 13] Generated Node #0,1: 100:[34, 53, 13] Operation: 92-79=13 Start Sub Search at level 1: Moving to Node #0,1 Current State: 100:[34, 53, 13], Operations: ['92-79=13'] Exploring Operation: 53-34=19, Resulting Numbers: [13, 19] Generated Node #0,1,0: 100:[13, 19] Operation: 53-34=19 Exploring Operation: 34-13=21, Resulting Numbers: [53, 21] Generated Node #0,1,1: 100:[53, 21] Operation: 34-13=21 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 100:[13, 19], Operations: ['92-79=13', '53-34=19'] Exploring Operation: 13+19=32, Resulting Numbers: [32] 32,100 unequal: No Solution Exploring Operation: 19-13=6, Resulting Numbers: [6] 6,100 unequal: No Solution No 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: 100:[53, 21], Operations: ['92-79=13', '34-13=21'] Exploring Operation: 53-21=32, Resulting Numbers: [32] 32,100 unequal: No Solution Exploring Operation: 53+21=74, Resulting Numbers: [74] 74,100 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: 100:[92, 53, 45], Operations: ['79-34=45'] Exploring Operation: 53+45=98, Resulting Numbers: [92, 98] Generated Node #0,0,0: 100:[92, 98] Operation: 53+45=98 Exploring Operation: 92-45=47, Resulting Numbers: [53, 47] Generated Node #0,0,1: 100:[53, 47] Operation: 92-45=47 Moving to Node #0,0,1 Current State: 100:[53, 47], Operations: ['79-34=45', '92-45=47'] Exploring Operation: 53+47=100, Resulting Numbers: [100] 100,100 equal: Goal Reached Moving to Node #0 Current State: 100:[34, 92, 79, 53], Operations: [] Exploring Operation: 79-34=45, Resulting Numbers: [92, 53, 45] Generated Node #0,0: 100:[92, 53, 45] Operation: 79-34=45 Moving to Node #0,0 Current State: 100:[92, 53, 45], Operations: ['79-34=45'] Exploring Operation: 92-45=47, Resulting Numbers: [53, 47] Generated Node #0,0,1: 100:[53, 47] Operation: 92-45=47 Moving to Node #0,0,1 Current State: 100:[53, 47], Operations: ['79-34=45', '92-45=47'] Exploring Operation: 53+47=100, Resulting Numbers: [100] 100,100 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_2
sum_heuristic
[ 95, 91, 63, 44 ]
74
[ "95-91=4", "44/4=11", "63+11=74" ]
Current State: 74:[95, 91, 63, 44], Operations: [] Exploring Operation: 95-91=4, Resulting Numbers: [63, 44, 4] Generated Node #2: [63, 44, 4] from Operation: 95-91=4 Current State: 74:[63, 44, 4], Operations: ['95-91=4'] Exploring Operation: 44/4=11, Resulting Numbers: [63, 11] Generated Node #3: [63, 11] from Operation: 44/4=11 Current State: 74:[63, 11], Operations: ['95-91=4', '44/4=11'] Exploring Operation: 63+11=74, Resulting Numbers: [74] 74,74 equal: Goal Reached
4
Current State: 74:[95, 91, 63, 44], Operations: [] Exploring Operation: 95-91=4, Resulting Numbers: [63, 44, 4] Generated Node #0,0: 74:[63, 44, 4] Operation: 95-91=4 Exploring Operation: 91-63=28, Resulting Numbers: [95, 44, 28] Generated Node #0,1: 74:[95, 44, 28] Operation: 91-63=28 Exploring Operation: 95-63=32, Resulting Numbers: [91, 44, 32] Generated Node #0,2: 74:[91, 44, 32] Operation: 95-63=32 Moving to Node #0,0 Current State: 74:[63, 44, 4], Operations: ['95-91=4'] Exploring Operation: 63+4=67, Resulting Numbers: [44, 67] Generated Node #0,0,0: 74:[44, 67] Operation: 63+4=67 Exploring Operation: 44-4=40, Resulting Numbers: [63, 40] Generated Node #0,0,1: 74:[63, 40] Operation: 44-4=40 Exploring Operation: 63-44=19, Resulting Numbers: [4, 19] Generated Node #0,0,2: 74:[4, 19] Operation: 63-44=19 Moving to Node #0,2 Current State: 74:[91, 44, 32], Operations: ['95-63=32'] Exploring Operation: 91-32=59, Resulting Numbers: [44, 59] Generated Node #0,2,0: 74:[44, 59] Operation: 91-32=59 Exploring Operation: 44+32=76, Resulting Numbers: [91, 76] Generated Node #0,2,1: 74:[91, 76] Operation: 44+32=76 Exploring Operation: 91-44=47, Resulting Numbers: [32, 47] Generated Node #0,2,2: 74:[32, 47] Operation: 91-44=47 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 74:[32, 47], Operations: ['95-63=32', '91-44=47'] Exploring Operation: 47-32=15, Resulting Numbers: [15] 15,74 unequal: No Solution Exploring Operation: 32+47=79, Resulting Numbers: [79] 79,74 unequal: No Solution Exploring Operation: 32*47=1504, Resulting Numbers: [1504] 1504,74 unequal: No Solution No 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: 74:[91, 76], Operations: ['95-63=32', '44+32=76'] Exploring Operation: 91-76=15, Resulting Numbers: [15] 15,74 unequal: No Solution Exploring Operation: 91+76=167, Resulting Numbers: [167] 167,74 unequal: No Solution Exploring Operation: 91*76=6916, Resulting Numbers: [6916] 6916,74 unequal: No Solution No 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: 74:[44, 59], Operations: ['95-63=32', '91-32=59'] Exploring Operation: 59-44=15, Resulting Numbers: [15] 15,74 unequal: No Solution Exploring Operation: 44+59=103, Resulting Numbers: [103] 103,74 unequal: No Solution Exploring Operation: 44*59=2596, Resulting Numbers: [2596] 2596,74 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: 74:[95, 44, 28], Operations: ['91-63=28'] Exploring Operation: 95-28=67, Resulting Numbers: [44, 67] Generated Node #0,1,0: 74:[44, 67] Operation: 95-28=67 Exploring Operation: 44+28=72, Resulting Numbers: [95, 72] Generated Node #0,1,1: 74:[95, 72] Operation: 44+28=72 Exploring Operation: 95-44=51, Resulting Numbers: [28, 51] Generated Node #0,1,2: 74:[28, 51] Operation: 95-44=51 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 74:[44, 67], Operations: ['91-63=28', '95-28=67'] Exploring Operation: 44+67=111, Resulting Numbers: [111] 111,74 unequal: No Solution Exploring Operation: 67-44=23, Resulting Numbers: [23] 23,74 unequal: No Solution Exploring Operation: 44*67=2948, Resulting Numbers: [2948] 2948,74 unequal: No Solution No 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: 74:[95, 72], Operations: ['91-63=28', '44+28=72'] Exploring Operation: 95-72=23, Resulting Numbers: [23] 23,74 unequal: No Solution Exploring Operation: 95+72=167, Resulting Numbers: [167] 167,74 unequal: No Solution Exploring Operation: 95*72=6840, Resulting Numbers: [6840] 6840,74 unequal: No Solution No 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: 74:[28, 51], Operations: ['91-63=28', '95-44=51'] Exploring Operation: 28*51=1428, Resulting Numbers: [1428] 1428,74 unequal: No Solution Exploring Operation: 28+51=79, Resulting Numbers: [79] 79,74 unequal: No Solution Exploring Operation: 51-28=23, Resulting Numbers: [23] 23,74 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: 74:[44, 67], Operations: ['95-91=4', '63+4=67'] Exploring Operation: 44*67=2948, Resulting Numbers: [2948] 2948,74 unequal: No Solution Exploring Operation: 44+67=111, Resulting Numbers: [111] 111,74 unequal: No Solution Exploring Operation: 67-44=23, Resulting Numbers: [23] 23,74 unequal: No Solution Moving to Node #0,0,1 Current State: 74:[63, 40], Operations: ['95-91=4', '44-4=40'] Exploring Operation: 63+40=103, Resulting Numbers: [103] 103,74 unequal: No Solution Exploring Operation: 63-40=23, Resulting Numbers: [23] 23,74 unequal: No Solution Exploring Operation: 63*40=2520, Resulting Numbers: [2520] 2520,74 unequal: No Solution Moving to Node #0,0,2 Current State: 74:[4, 19], Operations: ['95-91=4', '63-44=19'] Exploring Operation: 4*19=76, Resulting Numbers: [76] 76,74 unequal: No Solution Exploring Operation: 19-4=15, Resulting Numbers: [15] 15,74 unequal: No Solution Exploring Operation: 4+19=23, Resulting Numbers: [23] 23,74 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 5, 19, 38, 84 ]
94
[ "5*38=190", "190/19=10", "84+10=94" ]
Current State: 94:[5, 19, 38, 84], Operations: [] Exploring Operation: 5*38=190, Resulting Numbers: [19, 84, 190] Generated Node #2: [19, 84, 190] from Operation: 5*38=190 Current State: 94:[19, 84, 190], Operations: ['5*38=190'] Exploring Operation: 190/19=10, Resulting Numbers: [84, 10] Generated Node #3: [84, 10] from Operation: 190/19=10 Current State: 94:[84, 10], Operations: ['5*38=190', '190/19=10'] Exploring Operation: 84+10=94, Resulting Numbers: [94] 94,94 equal: Goal Reached
4
Current State: 94:[5, 19, 38, 84], Operations: [] Exploring Operation: 5*19=95, Resulting Numbers: [38, 84, 95] Generated Node #0,0: 94:[38, 84, 95] Operation: 5*19=95 Exploring Operation: 38/19=2, Resulting Numbers: [5, 84, 2] Generated Node #0,1: 94:[5, 84, 2] Operation: 38/19=2 Start Sub Search at level 1: Moving to Node #0,1 Current State: 94:[5, 84, 2], Operations: ['38/19=2'] Exploring Operation: 84/2=42, Resulting Numbers: [5, 42] Generated Node #0,1,0: 94:[5, 42] Operation: 84/2=42 Exploring Operation: 5+84=89, Resulting Numbers: [2, 89] Generated Node #0,1,1: 94:[2, 89] Operation: 5+84=89 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 94:[2, 89], Operations: ['38/19=2', '5+84=89'] Exploring Operation: 2+89=91, Resulting Numbers: [91] 91,94 unequal: No Solution Exploring Operation: 89-2=87, Resulting Numbers: [87] 87,94 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:[5, 42], Operations: ['38/19=2', '84/2=42'] Exploring Operation: 42-5=37, Resulting Numbers: [37] 37,94 unequal: No Solution Exploring Operation: 5+42=47, Resulting Numbers: [47] 47,94 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 94:[38, 84, 95], Operations: ['5*19=95'] Exploring Operation: 84-38=46, Resulting Numbers: [95, 46] Generated Node #0,0,0: 94:[95, 46] Operation: 84-38=46 Exploring Operation: 95-84=11, Resulting Numbers: [38, 11] Generated Node #0,0,1: 94:[38, 11] Operation: 95-84=11 Moving to Node #0,0,0 Current State: 94:[95, 46], Operations: ['5*19=95', '84-38=46'] Exploring Operation: 95-46=49, Resulting Numbers: [49] 49,94 unequal: No Solution Exploring Operation: 95+46=141, Resulting Numbers: [141] 141,94 unequal: No Solution Moving to Node #0,0,1 Current State: 94:[38, 11], Operations: ['5*19=95', '95-84=11'] Exploring Operation: 38-11=27, Resulting Numbers: [27] 27,94 unequal: No Solution Exploring Operation: 38+11=49, Resulting Numbers: [49] 49,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 27, 47, 63, 38 ]
34
[ "47-38=9", "63/9=7", "27+7=34" ]
Current State: 34:[27, 47, 63, 38], Operations: [] Exploring Operation: 47-38=9, Resulting Numbers: [27, 63, 9] Generated Node #2: [27, 63, 9] from Operation: 47-38=9 Current State: 34:[27, 63, 9], Operations: ['47-38=9'] Exploring Operation: 63/9=7, Resulting Numbers: [27, 7] Generated Node #3: [27, 7] from Operation: 63/9=7 Current State: 34:[27, 7], Operations: ['47-38=9', '63/9=7'] Exploring Operation: 27+7=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
4
Current State: 34:[27, 47, 63, 38], Operations: [] Exploring Operation: 63-38=25, Resulting Numbers: [27, 47, 25] Generated Node #0,0: 34:[27, 47, 25] Operation: 63-38=25 Exploring Operation: 63-27=36, Resulting Numbers: [47, 38, 36] Generated Node #0,1: 34:[47, 38, 36] Operation: 63-27=36 Exploring Operation: 63-47=16, Resulting Numbers: [27, 38, 16] Generated Node #0,2: 34:[27, 38, 16] Operation: 63-47=16 Start Sub Search at level 1: Moving to Node #0,2 Current State: 34:[27, 38, 16], Operations: ['63-47=16'] Exploring Operation: 38-27=11, Resulting Numbers: [16, 11] Generated Node #0,2,0: 34:[16, 11] Operation: 38-27=11 Exploring Operation: 38-16=22, Resulting Numbers: [27, 22] Generated Node #0,2,1: 34:[27, 22] Operation: 38-16=22 Exploring Operation: 27-16=11, Resulting Numbers: [38, 11] Generated Node #0,2,2: 34:[38, 11] Operation: 27-16=11 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 34:[16, 11], Operations: ['63-47=16', '38-27=11'] Exploring Operation: 16-11=5, Resulting Numbers: [5] 5,34 unequal: No Solution Exploring Operation: 16+11=27, Resulting Numbers: [27] 27,34 unequal: No Solution Exploring Operation: 16*11=176, Resulting Numbers: [176] 176,34 unequal: No Solution No 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: 34:[38, 11], Operations: ['63-47=16', '27-16=11'] Exploring Operation: 38*11=418, Resulting Numbers: [418] 418,34 unequal: No Solution Exploring Operation: 38+11=49, Resulting Numbers: [49] 49,34 unequal: No Solution Exploring Operation: 38-11=27, Resulting Numbers: [27] 27,34 unequal: No Solution No 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: 34:[27, 22], Operations: ['63-47=16', '38-16=22'] Exploring Operation: 27-22=5, Resulting Numbers: [5] 5,34 unequal: No Solution Exploring Operation: 27+22=49, Resulting Numbers: [49] 49,34 unequal: No Solution Exploring Operation: 27*22=594, Resulting Numbers: [594] 594,34 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 34:[47, 38, 36], Operations: ['63-27=36'] Exploring Operation: 38-36=2, Resulting Numbers: [47, 2] Generated Node #0,1,0: 34:[47, 2] Operation: 38-36=2 Exploring Operation: 47-38=9, Resulting Numbers: [36, 9] Generated Node #0,1,1: 34:[36, 9] Operation: 47-38=9 Exploring Operation: 47-36=11, Resulting Numbers: [38, 11] Generated Node #0,1,2: 34:[38, 11] Operation: 47-36=11 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 34:[36, 9], Operations: ['63-27=36', '47-38=9'] Exploring Operation: 36-9=27, Resulting Numbers: [27] 27,34 unequal: No Solution Exploring Operation: 36+9=45, Resulting Numbers: [45] 45,34 unequal: No Solution Exploring Operation: 36/9=4, Resulting Numbers: [4] 4,34 unequal: No Solution No 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: 34:[38, 11], Operations: ['63-27=36', '47-36=11'] Exploring Operation: 38+11=49, Resulting Numbers: [49] 49,34 unequal: No Solution Exploring Operation: 38*11=418, Resulting Numbers: [418] 418,34 unequal: No Solution Exploring Operation: 38-11=27, Resulting Numbers: [27] 27,34 unequal: No Solution No 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: 34:[47, 2], Operations: ['63-27=36', '38-36=2'] Exploring Operation: 47-2=45, Resulting Numbers: [45] 45,34 unequal: No Solution Exploring Operation: 47*2=94, Resulting Numbers: [94] 94,34 unequal: No Solution Exploring Operation: 47+2=49, Resulting Numbers: [49] 49,34 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 34:[27, 47, 25], Operations: ['63-38=25'] Exploring Operation: 27-25=2, Resulting Numbers: [47, 2] Generated Node #0,0,0: 34:[47, 2] Operation: 27-25=2 Exploring Operation: 47-27=20, Resulting Numbers: [25, 20] Generated Node #0,0,1: 34:[25, 20] Operation: 47-27=20 Exploring Operation: 47-25=22, Resulting Numbers: [27, 22] Generated Node #0,0,2: 34:[27, 22] Operation: 47-25=22 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 34:[25, 20], Operations: ['63-38=25', '47-27=20'] Exploring Operation: 25-20=5, Resulting Numbers: [5] 5,34 unequal: No Solution Exploring Operation: 25*20=500, Resulting Numbers: [500] 500,34 unequal: No Solution Exploring Operation: 25+20=45, Resulting Numbers: [45] 45,34 unequal: No Solution No 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: 34:[27, 22], Operations: ['63-38=25', '47-25=22'] Exploring Operation: 27-22=5, Resulting Numbers: [5] 5,34 unequal: No Solution Exploring Operation: 27*22=594, Resulting Numbers: [594] 594,34 unequal: No Solution Exploring Operation: 27+22=49, Resulting Numbers: [49] 49,34 unequal: No Solution No 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: 34:[47, 2], Operations: ['63-38=25', '27-25=2'] Exploring Operation: 47*2=94, Resulting Numbers: [94] 94,34 unequal: No Solution Exploring Operation: 47+2=49, Resulting Numbers: [49] 49,34 unequal: No Solution Exploring Operation: 47-2=45, Resulting Numbers: [45] 45,34 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 98, 5, 11, 13 ]
20
[ "98-11=87", "13+87=100", "100/5=20" ]
Current State: 20:[98, 5, 11, 13], Operations: [] Exploring Operation: 98-11=87, Resulting Numbers: [5, 13, 87] Generated Node #2: [5, 13, 87] from Operation: 98-11=87 Current State: 20:[5, 13, 87], Operations: ['98-11=87'] Exploring Operation: 13+87=100, Resulting Numbers: [5, 100] Generated Node #3: [5, 100] from Operation: 13+87=100 Current State: 20:[5, 100], Operations: ['98-11=87', '13+87=100'] Exploring Operation: 100/5=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[98, 5, 11, 13], Operations: [] Exploring Operation: 98-5=93, Resulting Numbers: [11, 13, 93] Generated Node #0,0: 20:[11, 13, 93] Operation: 98-5=93 Exploring Operation: 98-13=85, Resulting Numbers: [5, 11, 85] Generated Node #0,1: 20:[5, 11, 85] Operation: 98-13=85 Exploring Operation: 98-11=87, Resulting Numbers: [5, 13, 87] Generated Node #0,2: 20:[5, 13, 87] Operation: 98-11=87 Moving to Node #0,1 Current State: 20:[5, 11, 85], Operations: ['98-13=85'] Exploring Operation: 85/5=17, Resulting Numbers: [11, 17] Generated Node #0,1,0: 20:[11, 17] Operation: 85/5=17 Exploring Operation: 85-11=74, Resulting Numbers: [5, 74] Generated Node #0,1,1: 20:[5, 74] Operation: 85-11=74 Exploring Operation: 85-5=80, Resulting Numbers: [11, 80] Generated Node #0,1,2: 20:[11, 80] Operation: 85-5=80 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 20:[11, 17], Operations: ['98-13=85', '85/5=17'] Exploring Operation: 11+17=28, Resulting Numbers: [28] 28,20 unequal: No Solution Exploring Operation: 11*17=187, Resulting Numbers: [187] 187,20 unequal: No Solution Exploring Operation: 17-11=6, Resulting Numbers: [6] 6,20 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:[5, 74], Operations: ['98-13=85', '85-11=74'] Exploring Operation: 5*74=370, Resulting Numbers: [370] 370,20 unequal: No Solution Exploring Operation: 74-5=69, Resulting Numbers: [69] 69,20 unequal: No Solution Exploring Operation: 5+74=79, Resulting Numbers: [79] 79,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 20:[11, 80], Operations: ['98-13=85', '85-5=80'] Exploring Operation: 80-11=69, Resulting Numbers: [69] 69,20 unequal: No Solution Exploring Operation: 11+80=91, Resulting Numbers: [91] 91,20 unequal: No Solution Exploring Operation: 11*80=880, Resulting Numbers: [880] 880,20 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: 20:[5, 13, 87], Operations: ['98-11=87'] Exploring Operation: 87-13=74, Resulting Numbers: [5, 74] Generated Node #0,2,0: 20:[5, 74] Operation: 87-13=74 Exploring Operation: 5+13=18, Resulting Numbers: [87, 18] Generated Node #0,2,1: 20:[87, 18] Operation: 5+13=18 Exploring Operation: 87-5=82, Resulting Numbers: [13, 82] Generated Node #0,2,2: 20:[13, 82] Operation: 87-5=82 Moving to Node #0,0 Current State: 20:[11, 13, 93], Operations: ['98-5=93'] Exploring Operation: 13-11=2, Resulting Numbers: [93, 2] Generated Node #0,0,0: 20:[93, 2] Operation: 13-11=2 Exploring Operation: 93-11=82, Resulting Numbers: [13, 82] Generated Node #0,0,1: 20:[13, 82] Operation: 93-11=82 Exploring Operation: 93-13=80, Resulting Numbers: [11, 80] Generated Node #0,0,2: 20:[11, 80] Operation: 93-13=80 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 20:[11, 80], Operations: ['98-5=93', '93-13=80'] Exploring Operation: 11*80=880, Resulting Numbers: [880] 880,20 unequal: No Solution Exploring Operation: 80-11=69, Resulting Numbers: [69] 69,20 unequal: No Solution Exploring Operation: 11+80=91, Resulting Numbers: [91] 91,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 20:[13, 82], Operations: ['98-5=93', '93-11=82'] Exploring Operation: 13*82=1066, Resulting Numbers: [1066] 1066,20 unequal: No Solution Exploring Operation: 82-13=69, Resulting Numbers: [69] 69,20 unequal: No Solution Exploring Operation: 13+82=95, Resulting Numbers: [95] 95,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 20:[93, 2], Operations: ['98-5=93', '13-11=2'] Exploring Operation: 93+2=95, Resulting Numbers: [95] 95,20 unequal: No Solution Exploring Operation: 93-2=91, Resulting Numbers: [91] 91,20 unequal: No Solution Exploring Operation: 93*2=186, Resulting Numbers: [186] 186,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2,0 Current State: 20:[5, 74], Operations: ['98-11=87', '87-13=74'] Exploring Operation: 74-5=69, Resulting Numbers: [69] 69,20 unequal: No Solution Exploring Operation: 5*74=370, Resulting Numbers: [370] 370,20 unequal: No Solution Exploring Operation: 5+74=79, Resulting Numbers: [79] 79,20 unequal: No Solution Moving to Node #0,2,2 Current State: 20:[13, 82], Operations: ['98-11=87', '87-5=82'] Exploring Operation: 13*82=1066, Resulting Numbers: [1066] 1066,20 unequal: No Solution Exploring Operation: 82-13=69, Resulting Numbers: [69] 69,20 unequal: No Solution Exploring Operation: 13+82=95, Resulting Numbers: [95] 95,20 unequal: No Solution Moving to Node #0,2,1 Current State: 20:[87, 18], Operations: ['98-11=87', '5+13=18'] Exploring Operation: 87+18=105, Resulting Numbers: [105] 105,20 unequal: No Solution Exploring Operation: 87-18=69, Resulting Numbers: [69] 69,20 unequal: No Solution Exploring Operation: 87*18=1566, Resulting Numbers: [1566] 1566,20 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 23, 84, 78, 83 ]
31
[ "83-78=5", "23*5=115", "115-84=31" ]
Current State: 31:[23, 84, 78, 83], Operations: [] Exploring Operation: 83-78=5, Resulting Numbers: [23, 84, 5] Generated Node #2: [23, 84, 5] from Operation: 83-78=5 Current State: 31:[23, 84, 5], Operations: ['83-78=5'] Exploring Operation: 23*5=115, Resulting Numbers: [84, 115] Generated Node #3: [84, 115] from Operation: 23*5=115 Current State: 31:[84, 115], Operations: ['83-78=5', '23*5=115'] Exploring Operation: 115-84=31, Resulting Numbers: [31] 31,31 equal: Goal Reached
4
Current State: 31:[23, 84, 78, 83], Operations: [] Exploring Operation: 84-78=6, Resulting Numbers: [23, 83, 6] Generated Node #0,0: 31:[23, 83, 6] Operation: 84-78=6 Exploring Operation: 84-83=1, Resulting Numbers: [23, 78, 1] Generated Node #0,1: 31:[23, 78, 1] Operation: 84-83=1 Moving to Node #0,0 Current State: 31:[23, 83, 6], Operations: ['84-78=6'] Exploring Operation: 23+6=29, Resulting Numbers: [83, 29] Generated Node #0,0,0: 31:[83, 29] Operation: 23+6=29 Exploring Operation: 83-23=60, Resulting Numbers: [6, 60] Generated Node #0,0,1: 31:[6, 60] Operation: 83-23=60 Moving to Node #0,1 Current State: 31:[23, 78, 1], Operations: ['84-83=1'] Exploring Operation: 78-23=55, Resulting Numbers: [1, 55] Generated Node #0,1,0: 31:[1, 55] Operation: 78-23=55 Exploring Operation: 23+1=24, Resulting Numbers: [78, 24] Generated Node #0,1,1: 31:[78, 24] Operation: 23+1=24 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 31:[1, 55], Operations: ['84-83=1', '78-23=55'] Exploring Operation: 55-1=54, Resulting Numbers: [54] 54,31 unequal: No Solution Exploring Operation: 1*55=55, Resulting Numbers: [55] 55,31 unequal: No Solution No 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: 31:[78, 24], Operations: ['84-83=1', '23+1=24'] Exploring Operation: 78-24=54, Resulting Numbers: [54] 54,31 unequal: No Solution Exploring Operation: 78+24=102, Resulting Numbers: [102] 102,31 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: 31:[83, 29], Operations: ['84-78=6', '23+6=29'] Exploring Operation: 83-29=54, Resulting Numbers: [54] 54,31 unequal: No Solution Exploring Operation: 83+29=112, Resulting Numbers: [112] 112,31 unequal: No Solution Moving to Node #0,0,1 Current State: 31:[6, 60], Operations: ['84-78=6', '83-23=60'] Exploring Operation: 60-6=54, Resulting Numbers: [54] 54,31 unequal: No Solution Exploring Operation: 60/6=10, Resulting Numbers: [10] 10,31 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 24, 27, 45, 49 ]
33
[ "49-45=4", "24/4=6", "27+6=33" ]
Current State: 33:[24, 27, 45, 49], Operations: [] Exploring Operation: 49-45=4, Resulting Numbers: [24, 27, 4] Generated Node #2: [24, 27, 4] from Operation: 49-45=4 Current State: 33:[24, 27, 4], Operations: ['49-45=4'] Exploring Operation: 24/4=6, Resulting Numbers: [27, 6] Generated Node #3: [27, 6] from Operation: 24/4=6 Current State: 33:[27, 6], Operations: ['49-45=4', '24/4=6'] Exploring Operation: 27+6=33, Resulting Numbers: [33] 33,33 equal: Goal Reached
4
Current State: 33:[24, 27, 45, 49], Operations: [] Exploring Operation: 27-24=3, Resulting Numbers: [45, 49, 3] Generated Node #0,0: 33:[45, 49, 3] Operation: 27-24=3 Exploring Operation: 45-24=21, Resulting Numbers: [27, 49, 21] Generated Node #0,1: 33:[27, 49, 21] Operation: 45-24=21 Exploring Operation: 49-45=4, Resulting Numbers: [24, 27, 4] Generated Node #0,2: 33:[24, 27, 4] Operation: 49-45=4 Exploring Operation: 49-24=25, Resulting Numbers: [27, 45, 25] Generated Node #0,3: 33:[27, 45, 25] Operation: 49-24=25 Start Sub Search at level 1: Moving to Node #0,2 Current State: 33:[24, 27, 4], Operations: ['49-45=4'] Exploring Operation: 24+4=28, Resulting Numbers: [27, 28] Generated Node #0,2,0: 33:[27, 28] Operation: 24+4=28 Exploring Operation: 24/4=6, Resulting Numbers: [27, 6] Generated Node #0,2,1: 33:[27, 6] Operation: 24/4=6 Exploring Operation: 27-24=3, Resulting Numbers: [4, 3] Generated Node #0,2,2: 33:[4, 3] Operation: 27-24=3 Exploring Operation: 27+4=31, Resulting Numbers: [24, 31] Generated Node #0,2,3: 33:[24, 31] Operation: 27+4=31 Moving to Node #0,2,2 Current State: 33:[4, 3], Operations: ['49-45=4', '27-24=3'] Exploring Operation: 4-3=1, Resulting Numbers: [1] 1,33 unequal: No Solution Exploring Operation: 4+3=7, Resulting Numbers: [7] 7,33 unequal: No Solution Exploring Operation: 4*3=12, Resulting Numbers: [12] 12,33 unequal: No Solution Moving to Node #0,2,1 Current State: 33:[27, 6], Operations: ['49-45=4', '24/4=6'] Exploring Operation: 27-6=21, Resulting Numbers: [21] 21,33 unequal: No Solution Exploring Operation: 27+6=33, Resulting Numbers: [33] 33,33 equal: Goal Reached Moving to Node #0 Current State: 33:[24, 27, 45, 49], Operations: [] Exploring Operation: 49-45=4, Resulting Numbers: [24, 27, 4] Generated Node #0,2: 33:[24, 27, 4] Operation: 49-45=4 Moving to Node #0,2 Current State: 33:[24, 27, 4], Operations: ['49-45=4'] Exploring Operation: 24/4=6, Resulting Numbers: [27, 6] Generated Node #0,2,1: 33:[27, 6] Operation: 24/4=6 Moving to Node #0,2,1 Current State: 33:[27, 6], Operations: ['49-45=4', '24/4=6'] Exploring Operation: 27+6=33, Resulting Numbers: [33] 33,33 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_4
sum_heuristic
[ 42, 57, 28, 12 ]
59
[ "42+57=99", "28+12=40", "99-40=59" ]
Current State: 59:[42, 57, 28, 12], Operations: [] Exploring Operation: 42+57=99, Resulting Numbers: [28, 12, 99] Generated Node #2: [28, 12, 99] from Operation: 42+57=99 Current State: 59:[28, 12, 99], Operations: ['42+57=99'] Exploring Operation: 28+12=40, Resulting Numbers: [99, 40] Generated Node #3: [99, 40] from Operation: 28+12=40 Current State: 59:[99, 40], Operations: ['42+57=99', '28+12=40'] Exploring Operation: 99-40=59, Resulting Numbers: [59] 59,59 equal: Goal Reached
4
Current State: 59:[42, 57, 28, 12], Operations: [] Exploring Operation: 42+28=70, Resulting Numbers: [57, 12, 70] Generated Node #0,0: 59:[57, 12, 70] Operation: 42+28=70 Exploring Operation: 57+12=69, Resulting Numbers: [42, 28, 69] Generated Node #0,1: 59:[42, 28, 69] Operation: 57+12=69 Exploring Operation: 28+12=40, Resulting Numbers: [42, 57, 40] Generated Node #0,2: 59:[42, 57, 40] Operation: 28+12=40 Exploring Operation: 42-12=30, Resulting Numbers: [57, 28, 30] Generated Node #0,3: 59:[57, 28, 30] Operation: 42-12=30 Exploring Operation: 42+12=54, Resulting Numbers: [57, 28, 54] Generated Node #0,4: 59:[57, 28, 54] Operation: 42+12=54 Start Sub Search at level 1: Moving to Node #0,2 Current State: 59:[42, 57, 40], Operations: ['28+12=40'] Exploring Operation: 42+40=82, Resulting Numbers: [57, 82] Generated Node #0,2,0: 59:[57, 82] Operation: 42+40=82 Exploring Operation: 42-40=2, Resulting Numbers: [57, 2] Generated Node #0,2,1: 59:[57, 2] Operation: 42-40=2 Exploring Operation: 57+40=97, Resulting Numbers: [42, 97] Generated Node #0,2,2: 59:[42, 97] Operation: 57+40=97 Exploring Operation: 57-40=17, Resulting Numbers: [42, 17] Generated Node #0,2,3: 59:[42, 17] Operation: 57-40=17 Exploring Operation: 42+57=99, Resulting Numbers: [40, 99] Generated Node #0,2,4: 59:[40, 99] Operation: 42+57=99 Moving to Node #0,2,0 Current State: 59:[57, 82], Operations: ['28+12=40', '42+40=82'] Exploring Operation: 57*82=4674, Resulting Numbers: [4674] 4674,59 unequal: No Solution Exploring Operation: 82-57=25, Resulting Numbers: [25] 25,59 unequal: No Solution Exploring Operation: 57+82=139, Resulting Numbers: [139] 139,59 unequal: No Solution Moving to Node #0,2,2 Current State: 59:[42, 97], Operations: ['28+12=40', '57+40=97'] Exploring Operation: 42+97=139, Resulting Numbers: [139] 139,59 unequal: No Solution Exploring Operation: 97-42=55, Resulting Numbers: [55] 55,59 unequal: No Solution Exploring Operation: 42*97=4074, Resulting Numbers: [4074] 4074,59 unequal: No Solution Moving to Node #0,2,1 Current State: 59:[57, 2], Operations: ['28+12=40', '42-40=2'] Exploring Operation: 57-2=55, Resulting Numbers: [55] 55,59 unequal: No Solution Exploring Operation: 57+2=59, Resulting Numbers: [59] 59,59 equal: Goal Reached Moving to Node #0 Current State: 59:[42, 57, 28, 12], Operations: [] Exploring Operation: 28+12=40, Resulting Numbers: [42, 57, 40] Generated Node #0,2: 59:[42, 57, 40] Operation: 28+12=40 Moving to Node #0,2 Current State: 59:[42, 57, 40], Operations: ['28+12=40'] Exploring Operation: 42-40=2, Resulting Numbers: [57, 2] Generated Node #0,2,1: 59:[57, 2] Operation: 42-40=2 Moving to Node #0,2,1 Current State: 59:[57, 2], Operations: ['28+12=40', '42-40=2'] Exploring Operation: 57+2=59, Resulting Numbers: [59] 59,59 equal: Goal Reached Exit Sub Search at level 1
0.980903
hs_5
mult_heuristic
[ 80, 64, 96, 5 ]
85
[ "80-64=16", "96+5=101", "101-16=85" ]
Current State: 85:[80, 64, 96, 5], Operations: [] Exploring Operation: 80-64=16, Resulting Numbers: [96, 5, 16] Generated Node #2: [96, 5, 16] from Operation: 80-64=16 Current State: 85:[96, 5, 16], Operations: ['80-64=16'] Exploring Operation: 96+5=101, Resulting Numbers: [16, 101] Generated Node #3: [16, 101] from Operation: 96+5=101 Current State: 85:[16, 101], Operations: ['80-64=16', '96+5=101'] Exploring Operation: 101-16=85, Resulting Numbers: [85] 85,85 equal: Goal Reached
4
Current State: 85:[80, 64, 96, 5], Operations: [] Exploring Operation: 80-64=16, Resulting Numbers: [96, 5, 16] Generated Node #0,0: 85:[96, 5, 16] Operation: 80-64=16 Exploring Operation: 96-80=16, Resulting Numbers: [64, 5, 16] Generated Node #0,1: 85:[64, 5, 16] Operation: 96-80=16 Exploring Operation: 96-64=32, Resulting Numbers: [80, 5, 32] Generated Node #0,2: 85:[80, 5, 32] Operation: 96-64=32 Moving to Node #0,0 Current State: 85:[96, 5, 16], Operations: ['80-64=16'] Exploring Operation: 96-5=91, Resulting Numbers: [16, 91] Generated Node #0,0,0: 85:[16, 91] Operation: 96-5=91 Exploring Operation: 96/16=6, Resulting Numbers: [5, 6] Generated Node #0,0,1: 85:[5, 6] Operation: 96/16=6 Exploring Operation: 96-16=80, Resulting Numbers: [5, 80] Generated Node #0,0,2: 85:[5, 80] Operation: 96-16=80 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 85:[5, 6], Operations: ['80-64=16', '96/16=6'] Exploring Operation: 6-5=1, Resulting Numbers: [1] 1,85 unequal: No Solution Exploring Operation: 5+6=11, Resulting Numbers: [11] 11,85 unequal: No Solution Exploring Operation: 5*6=30, Resulting Numbers: [30] 30,85 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:[5, 80], Operations: ['80-64=16', '96-16=80'] Exploring Operation: 5+80=85, Resulting Numbers: [85] 85,85 equal: Goal Reached Moving to Node #0 Current State: 85:[80, 64, 96, 5], Operations: [] Exploring Operation: 80-64=16, Resulting Numbers: [96, 5, 16] Generated Node #0,0: 85:[96, 5, 16] Operation: 80-64=16 Moving to Node #0,0 Current State: 85:[96, 5, 16], Operations: ['80-64=16'] Exploring Operation: 96-16=80, Resulting Numbers: [5, 80] Generated Node #0,0,2: 85:[5, 80] Operation: 96-16=80 Moving to Node #0,0,2 Current State: 85:[5, 80], Operations: ['80-64=16', '96-16=80'] Exploring Operation: 5+80=85, Resulting Numbers: [85] 85,85 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_3
sum_heuristic
[ 49, 41, 20, 70 ]
40
[ "49+41=90", "70-20=50", "90-50=40" ]
Current State: 40:[49, 41, 20, 70], Operations: [] Exploring Operation: 49+41=90, Resulting Numbers: [20, 70, 90] Generated Node #2: [20, 70, 90] from Operation: 49+41=90 Current State: 40:[20, 70, 90], Operations: ['49+41=90'] Exploring Operation: 70-20=50, Resulting Numbers: [90, 50] Generated Node #3: [90, 50] from Operation: 70-20=50 Current State: 40:[90, 50], Operations: ['49+41=90', '70-20=50'] Exploring Operation: 90-50=40, Resulting Numbers: [40] 40,40 equal: Goal Reached
4
Current State: 40:[49, 41, 20, 70], Operations: [] Exploring Operation: 70-20=50, Resulting Numbers: [49, 41, 50] Generated Node #0,0: 40:[49, 41, 50] Operation: 70-20=50 Exploring Operation: 70-41=29, Resulting Numbers: [49, 20, 29] Generated Node #0,1: 40:[49, 20, 29] Operation: 70-41=29 Exploring Operation: 70-49=21, Resulting Numbers: [41, 20, 21] Generated Node #0,2: 40:[41, 20, 21] Operation: 70-49=21 Start Sub Search at level 1: Moving to Node #0,2 Current State: 40:[41, 20, 21], Operations: ['70-49=21'] Exploring Operation: 41-20=21, Resulting Numbers: [21, 21] Generated Node #0,2,0: 40:[21, 21] Operation: 41-20=21 Exploring Operation: 41-21=20, Resulting Numbers: [20, 20] Generated Node #0,2,1: 40:[20, 20] Operation: 41-21=20 Exploring Operation: 20+21=41, Resulting Numbers: [41, 41] Generated Node #0,2,2: 40:[41, 41] Operation: 20+21=41 Moving to Node #0,2,1 Current State: 40:[20, 20], Operations: ['70-49=21', '41-21=20'] Exploring Operation: 20-20=0, Resulting Numbers: [0] 0,40 unequal: No Solution Exploring Operation: 20+20=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Moving to Node #0 Current State: 40:[49, 41, 20, 70], Operations: [] Exploring Operation: 70-49=21, Resulting Numbers: [41, 20, 21] Generated Node #0,2: 40:[41, 20, 21] Operation: 70-49=21 Moving to Node #0,2 Current State: 40:[41, 20, 21], Operations: ['70-49=21'] Exploring Operation: 41-21=20, Resulting Numbers: [20, 20] Generated Node #0,2,1: 40:[20, 20] Operation: 41-21=20 Moving to Node #0,2,1 Current State: 40:[20, 20], Operations: ['70-49=21', '41-21=20'] Exploring Operation: 20+20=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Exit Sub Search at level 1
0.989583
hs_3
sum_heuristic
[ 71, 31, 43, 49 ]
52
[ "71-31=40", "43+49=92", "92-40=52" ]
Current State: 52:[71, 31, 43, 49], Operations: [] Exploring Operation: 71-31=40, Resulting Numbers: [43, 49, 40] Generated Node #2: [43, 49, 40] from Operation: 71-31=40 Current State: 52:[43, 49, 40], Operations: ['71-31=40'] Exploring Operation: 43+49=92, Resulting Numbers: [40, 92] Generated Node #3: [40, 92] from Operation: 43+49=92 Current State: 52:[40, 92], Operations: ['71-31=40', '43+49=92'] Exploring Operation: 92-40=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[71, 31, 43, 49], Operations: [] Exploring Operation: 71-31=40, Resulting Numbers: [43, 49, 40] Generated Node #0,0: 52:[43, 49, 40] Operation: 71-31=40 Exploring Operation: 71-49=22, Resulting Numbers: [31, 43, 22] Generated Node #0,1: 52:[31, 43, 22] Operation: 71-49=22 Exploring Operation: 71-43=28, Resulting Numbers: [31, 49, 28] Generated Node #0,2: 52:[31, 49, 28] Operation: 71-43=28 Exploring Operation: 43-31=12, Resulting Numbers: [71, 49, 12] Generated Node #0,3: 52:[71, 49, 12] Operation: 43-31=12 Start Sub Search at level 1: Moving to Node #0,2 Current State: 52:[31, 49, 28], Operations: ['71-43=28'] Exploring Operation: 31-28=3, Resulting Numbers: [49, 3] Generated Node #0,2,0: 52:[49, 3] Operation: 31-28=3 Exploring Operation: 49-31=18, Resulting Numbers: [28, 18] Generated Node #0,2,1: 52:[28, 18] Operation: 49-31=18 Exploring Operation: 31+28=59, Resulting Numbers: [49, 59] Generated Node #0,2,2: 52:[49, 59] Operation: 31+28=59 Exploring Operation: 49-28=21, Resulting Numbers: [31, 21] Generated Node #0,2,3: 52:[31, 21] Operation: 49-28=21 Moving to Node #0,2,0 Current State: 52:[49, 3], Operations: ['71-43=28', '31-28=3'] Exploring Operation: 49-3=46, Resulting Numbers: [46] 46,52 unequal: No Solution Exploring Operation: 49+3=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Moving to Node #0 Current State: 52:[71, 31, 43, 49], Operations: [] Exploring Operation: 71-43=28, Resulting Numbers: [31, 49, 28] Generated Node #0,2: 52:[31, 49, 28] Operation: 71-43=28 Moving to Node #0,2 Current State: 52:[31, 49, 28], Operations: ['71-43=28'] Exploring Operation: 31-28=3, Resulting Numbers: [49, 3] Generated Node #0,2,0: 52:[49, 3] Operation: 31-28=3 Moving to Node #0,2,0 Current State: 52:[49, 3], Operations: ['71-43=28', '31-28=3'] Exploring Operation: 49+3=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_4
sum_heuristic
[ 18, 44, 35, 70 ]
68
[ "44-35=9", "18/9=2", "70-2=68" ]
Current State: 68:[18, 44, 35, 70], Operations: [] Exploring Operation: 44-35=9, Resulting Numbers: [18, 70, 9] Generated Node #2: [18, 70, 9] from Operation: 44-35=9 Current State: 68:[18, 70, 9], Operations: ['44-35=9'] Exploring Operation: 18/9=2, Resulting Numbers: [70, 2] Generated Node #3: [70, 2] from Operation: 18/9=2 Current State: 68:[70, 2], Operations: ['44-35=9', '18/9=2'] Exploring Operation: 70-2=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
4
Current State: 68:[18, 44, 35, 70], Operations: [] Exploring Operation: 44-18=26, Resulting Numbers: [35, 70, 26] Generated Node #0,0: 68:[35, 70, 26] Operation: 44-18=26 Exploring Operation: 70-44=26, Resulting Numbers: [18, 35, 26] Generated Node #0,1: 68:[18, 35, 26] Operation: 70-44=26 Exploring Operation: 44-35=9, Resulting Numbers: [18, 70, 9] Generated Node #0,2: 68:[18, 70, 9] Operation: 44-35=9 Exploring Operation: 18+44=62, Resulting Numbers: [35, 70, 62] Generated Node #0,3: 68:[35, 70, 62] Operation: 18+44=62 Moving to Node #0,2 Current State: 68:[18, 70, 9], Operations: ['44-35=9'] Exploring Operation: 18/9=2, Resulting Numbers: [70, 2] Generated Node #0,2,0: 68:[70, 2] Operation: 18/9=2 Exploring Operation: 70-9=61, Resulting Numbers: [18, 61] Generated Node #0,2,1: 68:[18, 61] Operation: 70-9=61 Exploring Operation: 18+9=27, Resulting Numbers: [70, 27] Generated Node #0,2,2: 68:[70, 27] Operation: 18+9=27 Exploring Operation: 18-9=9, Resulting Numbers: [70, 9] Generated Node #0,2,3: 68:[70, 9] Operation: 18-9=9 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 68:[70, 2], Operations: ['44-35=9', '18/9=2'] Exploring Operation: 70+2=72, Resulting Numbers: [72] 72,68 unequal: No Solution Exploring Operation: 70*2=140, Resulting Numbers: [140] 140,68 unequal: No Solution Exploring Operation: 70-2=68, Resulting Numbers: [68] 68,68 equal: Goal Reached Moving to Node #0 Current State: 68:[18, 44, 35, 70], Operations: [] Exploring Operation: 44-35=9, Resulting Numbers: [18, 70, 9] Generated Node #0,2: 68:[18, 70, 9] Operation: 44-35=9 Moving to Node #0,2 Current State: 68:[18, 70, 9], Operations: ['44-35=9'] Exploring Operation: 18/9=2, Resulting Numbers: [70, 2] Generated Node #0,2,0: 68:[70, 2] Operation: 18/9=2 Moving to Node #0,2,0 Current State: 68:[70, 2], Operations: ['44-35=9', '18/9=2'] Exploring Operation: 70-2=68, Resulting Numbers: [68] 68,68 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_4
sum_heuristic
[ 2, 79, 69, 51 ]
23
[ "79+69=148", "148/2=74", "74-51=23" ]
Current State: 23:[2, 79, 69, 51], Operations: [] Exploring Operation: 79+69=148, Resulting Numbers: [2, 51, 148] Generated Node #2: [2, 51, 148] from Operation: 79+69=148 Current State: 23:[2, 51, 148], Operations: ['79+69=148'] Exploring Operation: 148/2=74, Resulting Numbers: [51, 74] Generated Node #3: [51, 74] from Operation: 148/2=74 Current State: 23:[51, 74], Operations: ['79+69=148', '148/2=74'] Exploring Operation: 74-51=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
4
Current State: 23:[2, 79, 69, 51], Operations: [] Exploring Operation: 79-69=10, Resulting Numbers: [2, 51, 10] Generated Node #0,0: 23:[2, 51, 10] Operation: 79-69=10 Moving to Node #0,0 Current State: 23:[2, 51, 10], Operations: ['79-69=10'] Exploring Operation: 2*10=20, Resulting Numbers: [51, 20] Generated Node #0,0,0: 23:[51, 20] Operation: 2*10=20 Moving to Node #0,0,0 Current State: 23:[51, 20], Operations: ['79-69=10', '2*10=20'] Exploring Operation: 51-20=31, Resulting Numbers: [31] 31,23 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 69, 81, 89, 6 ]
17
[ "81-69=12", "6*12=72", "89-72=17" ]
Current State: 17:[69, 81, 89, 6], Operations: [] Exploring Operation: 81-69=12, Resulting Numbers: [89, 6, 12] Generated Node #2: [89, 6, 12] from Operation: 81-69=12 Current State: 17:[89, 6, 12], Operations: ['81-69=12'] Exploring Operation: 6*12=72, Resulting Numbers: [89, 72] Generated Node #3: [89, 72] from Operation: 6*12=72 Current State: 17:[89, 72], Operations: ['81-69=12', '6*12=72'] Exploring Operation: 89-72=17, Resulting Numbers: [17] 17,17 equal: Goal Reached
4
Current State: 17:[69, 81, 89, 6], Operations: [] Exploring Operation: 89-81=8, Resulting Numbers: [69, 6, 8] Generated Node #0,0: 17:[69, 6, 8] Operation: 89-81=8 Moving to Node #0,0 Current State: 17:[69, 6, 8], Operations: ['89-81=8'] Exploring Operation: 69-6=63, Resulting Numbers: [8, 63] Generated Node #0,0,0: 17:[8, 63] Operation: 69-6=63 Moving to Node #0,0,0 Current State: 17:[8, 63], Operations: ['89-81=8', '69-6=63'] Exploring Operation: 63-8=55, Resulting Numbers: [55] 55,17 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 59, 39, 56, 77 ]
35
[ "59+39=98", "56+77=133", "133-98=35" ]
Current State: 35:[59, 39, 56, 77], Operations: [] Exploring Operation: 59+39=98, Resulting Numbers: [56, 77, 98] Generated Node #2: [56, 77, 98] from Operation: 59+39=98 Current State: 35:[56, 77, 98], Operations: ['59+39=98'] Exploring Operation: 56+77=133, Resulting Numbers: [98, 133] Generated Node #3: [98, 133] from Operation: 56+77=133 Current State: 35:[98, 133], Operations: ['59+39=98', '56+77=133'] Exploring Operation: 133-98=35, Resulting Numbers: [35] 35,35 equal: Goal Reached
4
Current State: 35:[59, 39, 56, 77], Operations: [] Exploring Operation: 77-39=38, Resulting Numbers: [59, 56, 38] Generated Node #0,0: 35:[59, 56, 38] Operation: 77-39=38 Exploring Operation: 77-56=21, Resulting Numbers: [59, 39, 21] Generated Node #0,1: 35:[59, 39, 21] Operation: 77-56=21 Exploring Operation: 59-56=3, Resulting Numbers: [39, 77, 3] Generated Node #0,2: 35:[39, 77, 3] Operation: 59-56=3 Exploring Operation: 77-59=18, Resulting Numbers: [39, 56, 18] Generated Node #0,3: 35:[39, 56, 18] Operation: 77-59=18 Exploring Operation: 59-39=20, Resulting Numbers: [56, 77, 20] Generated Node #0,4: 35:[56, 77, 20] Operation: 59-39=20 Start Sub Search at level 1: Moving to Node #0,3 Current State: 35:[39, 56, 18], Operations: ['77-59=18'] Exploring Operation: 56-39=17, Resulting Numbers: [18, 17] Generated Node #0,3,0: 35:[18, 17] Operation: 56-39=17 Exploring Operation: 56-18=38, Resulting Numbers: [39, 38] Generated Node #0,3,1: 35:[39, 38] Operation: 56-18=38 Exploring Operation: 39-18=21, Resulting Numbers: [56, 21] Generated Node #0,3,2: 35:[56, 21] Operation: 39-18=21 Exploring Operation: 39+18=57, Resulting Numbers: [56, 57] Generated Node #0,3,3: 35:[56, 57] Operation: 39+18=57 Exploring Operation: 56+18=74, Resulting Numbers: [39, 74] Generated Node #0,3,4: 35:[39, 74] Operation: 56+18=74 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 35:[39, 38], Operations: ['77-59=18', '56-18=38'] Exploring Operation: 39+38=77, Resulting Numbers: [77] 77,35 unequal: No Solution Exploring Operation: 39*38=1482, Resulting Numbers: [1482] 1482,35 unequal: No Solution Exploring Operation: 39-38=1, Resulting Numbers: [1] 1,35 unequal: No Solution No 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: 35:[18, 17], Operations: ['77-59=18', '56-39=17'] Exploring Operation: 18-17=1, Resulting Numbers: [1] 1,35 unequal: No Solution Exploring Operation: 18+17=35, Resulting Numbers: [35] 35,35 equal: Goal Reached Moving to Node #0 Current State: 35:[59, 39, 56, 77], Operations: [] Exploring Operation: 77-59=18, Resulting Numbers: [39, 56, 18] Generated Node #0,3: 35:[39, 56, 18] Operation: 77-59=18 Moving to Node #0,3 Current State: 35:[39, 56, 18], Operations: ['77-59=18'] Exploring Operation: 56-39=17, Resulting Numbers: [18, 17] Generated Node #0,3,0: 35:[18, 17] Operation: 56-39=17 Moving to Node #0,3,0 Current State: 35:[18, 17], Operations: ['77-59=18', '56-39=17'] Exploring Operation: 18+17=35, Resulting Numbers: [35] 35,35 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.983507
hs_5
mult_heuristic
[ 21, 46, 70, 73 ]
53
[ "73-70=3", "21/3=7", "46+7=53" ]
Current State: 53:[21, 46, 70, 73], Operations: [] Exploring Operation: 73-70=3, Resulting Numbers: [21, 46, 3] Generated Node #2: [21, 46, 3] from Operation: 73-70=3 Current State: 53:[21, 46, 3], Operations: ['73-70=3'] Exploring Operation: 21/3=7, Resulting Numbers: [46, 7] Generated Node #3: [46, 7] from Operation: 21/3=7 Current State: 53:[46, 7], Operations: ['73-70=3', '21/3=7'] Exploring Operation: 46+7=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[21, 46, 70, 73], Operations: [] Exploring Operation: 73-21=52, Resulting Numbers: [46, 70, 52] Generated Node #0,0: 53:[46, 70, 52] Operation: 73-21=52 Start Sub Search at level 1: Moving to Node #0,0 Current State: 53:[46, 70, 52], Operations: ['73-21=52'] Exploring Operation: 70-46=24, Resulting Numbers: [52, 24] Generated Node #0,0,0: 53:[52, 24] Operation: 70-46=24 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 53:[52, 24], Operations: ['73-21=52', '70-46=24'] Exploring Operation: 52+24=76, Resulting Numbers: [76] 76,53 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 94, 23, 5, 49 ]
63
[ "94+23=117", "5+49=54", "117-54=63" ]
Current State: 63:[94, 23, 5, 49], Operations: [] Exploring Operation: 94+23=117, Resulting Numbers: [5, 49, 117] Generated Node #2: [5, 49, 117] from Operation: 94+23=117 Current State: 63:[5, 49, 117], Operations: ['94+23=117'] Exploring Operation: 5+49=54, Resulting Numbers: [117, 54] Generated Node #3: [117, 54] from Operation: 5+49=54 Current State: 63:[117, 54], Operations: ['94+23=117', '5+49=54'] Exploring Operation: 117-54=63, Resulting Numbers: [63] 63,63 equal: Goal Reached
4
Current State: 63:[94, 23, 5, 49], Operations: [] Exploring Operation: 94-49=45, Resulting Numbers: [23, 5, 45] Generated Node #0,0: 63:[23, 5, 45] Operation: 94-49=45 Start Sub Search at level 1: Moving to Node #0,0 Current State: 63:[23, 5, 45], Operations: ['94-49=45'] Exploring Operation: 45/5=9, Resulting Numbers: [23, 9] Generated Node #0,0,0: 63:[23, 9] Operation: 45/5=9 Moving to Node #0,0,0 Current State: 63:[23, 9], Operations: ['94-49=45', '45/5=9'] Exploring Operation: 23-9=14, Resulting Numbers: [14] 14,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 42, 56, 6, 23 ]
40
[ "42+56=98", "6*23=138", "138-98=40" ]
Current State: 40:[42, 56, 6, 23], Operations: [] Exploring Operation: 42+56=98, Resulting Numbers: [6, 23, 98] Generated Node #2: [6, 23, 98] from Operation: 42+56=98 Current State: 40:[6, 23, 98], Operations: ['42+56=98'] Exploring Operation: 6*23=138, Resulting Numbers: [98, 138] Generated Node #3: [98, 138] from Operation: 6*23=138 Current State: 40:[98, 138], Operations: ['42+56=98', '6*23=138'] Exploring Operation: 138-98=40, Resulting Numbers: [40] 40,40 equal: Goal Reached
4
Current State: 40:[42, 56, 6, 23], Operations: [] Exploring Operation: 42-23=19, Resulting Numbers: [56, 6, 19] Generated Node #0,0: 40:[56, 6, 19] Operation: 42-23=19 Exploring Operation: 42/6=7, Resulting Numbers: [56, 23, 7] Generated Node #0,1: 40:[56, 23, 7] Operation: 42/6=7 Exploring Operation: 56-6=50, Resulting Numbers: [42, 23, 50] Generated Node #0,2: 40:[42, 23, 50] Operation: 56-6=50 Exploring Operation: 56-23=33, Resulting Numbers: [42, 6, 33] Generated Node #0,3: 40:[42, 6, 33] Operation: 56-23=33 Exploring Operation: 56-42=14, Resulting Numbers: [6, 23, 14] Generated Node #0,4: 40:[6, 23, 14] Operation: 56-42=14 Moving to Node #0,4 Current State: 40:[6, 23, 14], Operations: ['56-42=14'] Exploring Operation: 23-14=9, Resulting Numbers: [6, 9] Generated Node #0,4,0: 40:[6, 9] Operation: 23-14=9 Exploring Operation: 14-6=8, Resulting Numbers: [23, 8] Generated Node #0,4,1: 40:[23, 8] Operation: 14-6=8 Exploring Operation: 6+14=20, Resulting Numbers: [23, 20] Generated Node #0,4,2: 40:[23, 20] Operation: 6+14=20 Exploring Operation: 23-6=17, Resulting Numbers: [14, 17] Generated Node #0,4,3: 40:[14, 17] Operation: 23-6=17 Exploring Operation: 23+14=37, Resulting Numbers: [6, 37] Generated Node #0,4,4: 40:[6, 37] Operation: 23+14=37 Moving to Node #0,3 Current State: 40:[42, 6, 33], Operations: ['56-23=33'] Exploring Operation: 33-6=27, Resulting Numbers: [42, 27] Generated Node #0,3,0: 40:[42, 27] Operation: 33-6=27 Exploring Operation: 42/6=7, Resulting Numbers: [33, 7] Generated Node #0,3,1: 40:[33, 7] Operation: 42/6=7 Exploring Operation: 42-6=36, Resulting Numbers: [33, 36] Generated Node #0,3,2: 40:[33, 36] Operation: 42-6=36 Exploring Operation: 6+33=39, Resulting Numbers: [42, 39] Generated Node #0,3,3: 40:[42, 39] Operation: 6+33=39 Exploring Operation: 42-33=9, Resulting Numbers: [6, 9] Generated Node #0,3,4: 40:[6, 9] Operation: 42-33=9 Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 40:[6, 9], Operations: ['56-23=33', '42-33=9'] Exploring Operation: 9-6=3, Resulting Numbers: [3] 3,40 unequal: No Solution Exploring Operation: 6*9=54, Resulting Numbers: [54] 54,40 unequal: No Solution Exploring Operation: 6+9=15, Resulting Numbers: [15] 15,40 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 40:[42, 39], Operations: ['56-23=33', '6+33=39'] Exploring Operation: 42-39=3, Resulting Numbers: [3] 3,40 unequal: No Solution Exploring Operation: 42*39=1638, Resulting Numbers: [1638] 1638,40 unequal: No Solution Exploring Operation: 42+39=81, Resulting Numbers: [81] 81,40 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 40:[33, 7], Operations: ['56-23=33', '42/6=7'] Exploring Operation: 33+7=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Moving to Node #0 Current State: 40:[42, 56, 6, 23], Operations: [] Exploring Operation: 56-23=33, Resulting Numbers: [42, 6, 33] Generated Node #0,3: 40:[42, 6, 33] Operation: 56-23=33 Moving to Node #0,3 Current State: 40:[42, 6, 33], Operations: ['56-23=33'] Exploring Operation: 42/6=7, Resulting Numbers: [33, 7] Generated Node #0,3,1: 40:[33, 7] Operation: 42/6=7 Moving to Node #0,3,1 Current State: 40:[33, 7], Operations: ['56-23=33', '42/6=7'] Exploring Operation: 33+7=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Exit Sub Search at level 1
0.977431
hs_5
sum_heuristic
[ 7, 24, 56, 3 ]
59
[ "7*3=21", "24+56=80", "80-21=59" ]
Current State: 59:[7, 24, 56, 3], Operations: [] Exploring Operation: 7*3=21, Resulting Numbers: [24, 56, 21] Generated Node #2: [24, 56, 21] from Operation: 7*3=21 Current State: 59:[24, 56, 21], Operations: ['7*3=21'] Exploring Operation: 24+56=80, Resulting Numbers: [21, 80] Generated Node #3: [21, 80] from Operation: 24+56=80 Current State: 59:[21, 80], Operations: ['7*3=21', '24+56=80'] Exploring Operation: 80-21=59, Resulting Numbers: [59] 59,59 equal: Goal Reached
4
Current State: 59:[7, 24, 56, 3], Operations: [] Exploring Operation: 7*3=21, Resulting Numbers: [24, 56, 21] Generated Node #0,0: 59:[24, 56, 21] Operation: 7*3=21 Exploring Operation: 7+24=31, Resulting Numbers: [56, 3, 31] Generated Node #0,1: 59:[56, 3, 31] Operation: 7+24=31 Exploring Operation: 24*3=72, Resulting Numbers: [7, 56, 72] Generated Node #0,2: 59:[7, 56, 72] Operation: 24*3=72 Moving to Node #0,2 Current State: 59:[7, 56, 72], Operations: ['24*3=72'] Exploring Operation: 56-7=49, Resulting Numbers: [72, 49] Generated Node #0,2,0: 59:[72, 49] Operation: 56-7=49 Exploring Operation: 7+56=63, Resulting Numbers: [72, 63] Generated Node #0,2,1: 59:[72, 63] Operation: 7+56=63 Exploring Operation: 72-7=65, Resulting Numbers: [56, 65] Generated Node #0,2,2: 59:[56, 65] Operation: 72-7=65 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 59:[56, 65], Operations: ['24*3=72', '72-7=65'] Exploring Operation: 65-56=9, Resulting Numbers: [9] 9,59 unequal: No Solution Exploring Operation: 56*65=3640, Resulting Numbers: [3640] 3640,59 unequal: No Solution Exploring Operation: 56+65=121, Resulting Numbers: [121] 121,59 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 59:[72, 63], Operations: ['24*3=72', '7+56=63'] Exploring Operation: 72-63=9, Resulting Numbers: [9] 9,59 unequal: No Solution Exploring Operation: 72*63=4536, Resulting Numbers: [4536] 4536,59 unequal: No Solution Exploring Operation: 72+63=135, Resulting Numbers: [135] 135,59 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 59:[72, 49], Operations: ['24*3=72', '56-7=49'] Exploring Operation: 72-49=23, Resulting Numbers: [23] 23,59 unequal: No Solution Exploring Operation: 72+49=121, Resulting Numbers: [121] 121,59 unequal: No Solution Exploring Operation: 72*49=3528, Resulting Numbers: [3528] 3528,59 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 59:[24, 56, 21], Operations: ['7*3=21'] Exploring Operation: 24+56=80, Resulting Numbers: [21, 80] Generated Node #0,0,0: 59:[21, 80] Operation: 24+56=80 Exploring Operation: 56+21=77, Resulting Numbers: [24, 77] Generated Node #0,0,1: 59:[24, 77] Operation: 56+21=77 Exploring Operation: 24+21=45, Resulting Numbers: [56, 45] Generated Node #0,0,2: 59:[56, 45] Operation: 24+21=45 Moving to Node #0,1 Current State: 59:[56, 3, 31], Operations: ['7+24=31'] Exploring Operation: 56+3=59, Resulting Numbers: [31, 59] Generated Node #0,1,0: 59:[31, 59] Operation: 56+3=59 Exploring Operation: 56-3=53, Resulting Numbers: [31, 53] Generated Node #0,1,1: 59:[31, 53] Operation: 56-3=53 Exploring Operation: 3+31=34, Resulting Numbers: [56, 34] Generated Node #0,1,2: 59:[56, 34] Operation: 3+31=34 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 59:[31, 59], Operations: ['7+24=31', '56+3=59'] Exploring Operation: 31*59=1829, Resulting Numbers: [1829] 1829,59 unequal: No Solution Exploring Operation: 59-31=28, Resulting Numbers: [28] 28,59 unequal: No Solution Exploring Operation: 31+59=90, Resulting Numbers: [90] 90,59 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 59:[56, 34], Operations: ['7+24=31', '3+31=34'] Exploring Operation: 56*34=1904, Resulting Numbers: [1904] 1904,59 unequal: No Solution Exploring Operation: 56-34=22, Resulting Numbers: [22] 22,59 unequal: No Solution Exploring Operation: 56+34=90, Resulting Numbers: [90] 90,59 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 59:[31, 53], Operations: ['7+24=31', '56-3=53'] Exploring Operation: 53-31=22, Resulting Numbers: [22] 22,59 unequal: No Solution Exploring Operation: 31*53=1643, Resulting Numbers: [1643] 1643,59 unequal: No Solution Exploring Operation: 31+53=84, Resulting Numbers: [84] 84,59 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,2 Current State: 59:[56, 45], Operations: ['7*3=21', '24+21=45'] Exploring Operation: 56+45=101, Resulting Numbers: [101] 101,59 unequal: No Solution Exploring Operation: 56*45=2520, Resulting Numbers: [2520] 2520,59 unequal: No Solution Exploring Operation: 56-45=11, Resulting Numbers: [11] 11,59 unequal: No Solution Moving to Node #0,0,1 Current State: 59:[24, 77], Operations: ['7*3=21', '56+21=77'] Exploring Operation: 24*77=1848, Resulting Numbers: [1848] 1848,59 unequal: No Solution Exploring Operation: 24+77=101, Resulting Numbers: [101] 101,59 unequal: No Solution Exploring Operation: 77-24=53, Resulting Numbers: [53] 53,59 unequal: No Solution Moving to Node #0,0,0 Current State: 59:[21, 80], Operations: ['7*3=21', '24+56=80'] Exploring Operation: 21+80=101, Resulting Numbers: [101] 101,59 unequal: No Solution Exploring Operation: 21*80=1680, Resulting Numbers: [1680] 1680,59 unequal: No Solution Exploring Operation: 80-21=59, Resulting Numbers: [59] 59,59 equal: Goal Reached Moving to Node #0 Current State: 59:[7, 24, 56, 3], Operations: [] Exploring Operation: 7*3=21, Resulting Numbers: [24, 56, 21] Generated Node #0,0: 59:[24, 56, 21] Operation: 7*3=21 Moving to Node #0,0 Current State: 59:[24, 56, 21], Operations: ['7*3=21'] Exploring Operation: 24+56=80, Resulting Numbers: [21, 80] Generated Node #0,0,0: 59:[21, 80] Operation: 24+56=80 Moving to Node #0,0,0 Current State: 59:[21, 80], Operations: ['7*3=21', '24+56=80'] Exploring Operation: 80-21=59, Resulting Numbers: [59] 59,59 equal: Goal Reached
0.962674
hs_3
sum_heuristic
[ 8, 96, 63, 30 ]
10
[ "96+30=126", "126/63=2", "8+2=10" ]
Current State: 10:[8, 96, 63, 30], Operations: [] Exploring Operation: 96+30=126, Resulting Numbers: [8, 63, 126] Generated Node #2: [8, 63, 126] from Operation: 96+30=126 Current State: 10:[8, 63, 126], Operations: ['96+30=126'] Exploring Operation: 126/63=2, Resulting Numbers: [8, 2] Generated Node #3: [8, 2] from Operation: 126/63=2 Current State: 10:[8, 2], Operations: ['96+30=126', '126/63=2'] Exploring Operation: 8+2=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
4
Current State: 10:[8, 96, 63, 30], Operations: [] Exploring Operation: 96-30=66, Resulting Numbers: [8, 63, 66] Generated Node #0,0: 10:[8, 63, 66] Operation: 96-30=66 Exploring Operation: 63-30=33, Resulting Numbers: [8, 96, 33] Generated Node #0,1: 10:[8, 96, 33] Operation: 63-30=33 Exploring Operation: 96-8=88, Resulting Numbers: [63, 30, 88] Generated Node #0,2: 10:[63, 30, 88] Operation: 96-8=88 Exploring Operation: 96-63=33, Resulting Numbers: [8, 30, 33] Generated Node #0,3: 10:[8, 30, 33] Operation: 96-63=33 Exploring Operation: 96/8=12, Resulting Numbers: [63, 30, 12] Generated Node #0,4: 10:[63, 30, 12] Operation: 96/8=12 Moving to Node #0,3 Current State: 10:[8, 30, 33], Operations: ['96-63=33'] Exploring Operation: 8+33=41, Resulting Numbers: [30, 41] Generated Node #0,3,0: 10:[30, 41] Operation: 8+33=41 Exploring Operation: 33-30=3, Resulting Numbers: [8, 3] Generated Node #0,3,1: 10:[8, 3] Operation: 33-30=3 Exploring Operation: 30-8=22, Resulting Numbers: [33, 22] Generated Node #0,3,2: 10:[33, 22] Operation: 30-8=22 Exploring Operation: 33-8=25, Resulting Numbers: [30, 25] Generated Node #0,3,3: 10:[30, 25] Operation: 33-8=25 Exploring Operation: 8+30=38, Resulting Numbers: [33, 38] Generated Node #0,3,4: 10:[33, 38] Operation: 8+30=38 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 10:[8, 3], Operations: ['96-63=33', '33-30=3'] Exploring Operation: 8*3=24, Resulting Numbers: [24] 24,10 unequal: No Solution Exploring Operation: 8-3=5, Resulting Numbers: [5] 5,10 unequal: No Solution Exploring Operation: 8+3=11, Resulting Numbers: [11] 11,10 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 10:[33, 22], Operations: ['96-63=33', '30-8=22'] Exploring Operation: 33-22=11, Resulting Numbers: [11] 11,10 unequal: No Solution Exploring Operation: 33+22=55, Resulting Numbers: [55] 55,10 unequal: No Solution Exploring Operation: 33*22=726, Resulting Numbers: [726] 726,10 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 10:[30, 25], Operations: ['96-63=33', '33-8=25'] Exploring Operation: 30+25=55, Resulting Numbers: [55] 55,10 unequal: No Solution Exploring Operation: 30-25=5, Resulting Numbers: [5] 5,10 unequal: No Solution Exploring Operation: 30*25=750, Resulting Numbers: [750] 750,10 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 10:[30, 41], Operations: ['96-63=33', '8+33=41'] Exploring Operation: 30+41=71, Resulting Numbers: [71] 71,10 unequal: No Solution Exploring Operation: 41-30=11, Resulting Numbers: [11] 11,10 unequal: No Solution Exploring Operation: 30*41=1230, Resulting Numbers: [1230] 1230,10 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 10:[33, 38], Operations: ['96-63=33', '8+30=38'] Exploring Operation: 38-33=5, Resulting Numbers: [5] 5,10 unequal: No Solution Exploring Operation: 33*38=1254, Resulting Numbers: [1254] 1254,10 unequal: No Solution Exploring Operation: 33+38=71, Resulting Numbers: [71] 71,10 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: 10:[63, 30, 12], Operations: ['96/8=12'] Exploring Operation: 30-12=18, Resulting Numbers: [63, 18] Generated Node #0,4,0: 10:[63, 18] Operation: 30-12=18 Exploring Operation: 63-12=51, Resulting Numbers: [30, 51] Generated Node #0,4,1: 10:[30, 51] Operation: 63-12=51 Exploring Operation: 63-30=33, Resulting Numbers: [12, 33] Generated Node #0,4,2: 10:[12, 33] Operation: 63-30=33 Exploring Operation: 63+12=75, Resulting Numbers: [30, 75] Generated Node #0,4,3: 10:[30, 75] Operation: 63+12=75 Exploring Operation: 63+30=93, Resulting Numbers: [12, 93] Generated Node #0,4,4: 10:[12, 93] Operation: 63+30=93 Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 10:[12, 33], Operations: ['96/8=12', '63-30=33'] Exploring Operation: 12*33=396, Resulting Numbers: [396] 396,10 unequal: No Solution Exploring Operation: 33-12=21, Resulting Numbers: [21] 21,10 unequal: No Solution Exploring Operation: 12+33=45, Resulting Numbers: [45] 45,10 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 10:[63, 18], Operations: ['96/8=12', '30-12=18'] Exploring Operation: 63-18=45, Resulting Numbers: [45] 45,10 unequal: No Solution Exploring Operation: 63+18=81, Resulting Numbers: [81] 81,10 unequal: No Solution Exploring Operation: 63*18=1134, Resulting Numbers: [1134] 1134,10 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 10:[30, 51], Operations: ['96/8=12', '63-12=51'] Exploring Operation: 30*51=1530, Resulting Numbers: [1530] 1530,10 unequal: No Solution Exploring Operation: 30+51=81, Resulting Numbers: [81] 81,10 unequal: No Solution Exploring Operation: 51-30=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 #0,4,3 Current State: 10:[30, 75], Operations: ['96/8=12', '63+12=75'] Exploring Operation: 75-30=45, Resulting Numbers: [45] 45,10 unequal: No Solution Exploring Operation: 30*75=2250, Resulting Numbers: [2250] 2250,10 unequal: No Solution Exploring Operation: 30+75=105, Resulting Numbers: [105] 105,10 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 10:[12, 93], Operations: ['96/8=12', '63+30=93'] Exploring Operation: 12+93=105, Resulting Numbers: [105] 105,10 unequal: No Solution Exploring Operation: 12*93=1116, Resulting Numbers: [1116] 1116,10 unequal: No Solution Exploring Operation: 93-12=81, Resulting Numbers: [81] 81,10 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: 10:[8, 63, 66], Operations: ['96-30=66'] Exploring Operation: 66-8=58, Resulting Numbers: [63, 58] Generated Node #0,0,0: 10:[63, 58] Operation: 66-8=58 Exploring Operation: 8+63=71, Resulting Numbers: [66, 71] Generated Node #0,0,1: 10:[66, 71] Operation: 8+63=71 Exploring Operation: 8+66=74, Resulting Numbers: [63, 74] Generated Node #0,0,2: 10:[63, 74] Operation: 8+66=74 Exploring Operation: 63-8=55, Resulting Numbers: [66, 55] Generated Node #0,0,3: 10:[66, 55] Operation: 63-8=55 Exploring Operation: 66-63=3, Resulting Numbers: [8, 3] Generated Node #0,0,4: 10:[8, 3] Operation: 66-63=3 Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 10:[8, 3], Operations: ['96-30=66', '66-63=3'] Exploring Operation: 8-3=5, Resulting Numbers: [5] 5,10 unequal: No Solution Exploring Operation: 8*3=24, Resulting Numbers: [24] 24,10 unequal: No Solution Exploring Operation: 8+3=11, Resulting Numbers: [11] 11,10 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 10:[63, 58], Operations: ['96-30=66', '66-8=58'] Exploring Operation: 63-58=5, Resulting Numbers: [5] 5,10 unequal: No Solution Exploring Operation: 63+58=121, Resulting Numbers: [121] 121,10 unequal: No Solution Exploring Operation: 63*58=3654, Resulting Numbers: [3654] 3654,10 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 #0,0,3 Current State: 10:[66, 55], Operations: ['96-30=66', '63-8=55'] Exploring Operation: 66*55=3630, Resulting Numbers: [3630] 3630,10 unequal: No Solution Exploring Operation: 66+55=121, Resulting Numbers: [121] 121,10 unequal: No Solution Exploring Operation: 66-55=11, Resulting Numbers: [11] 11,10 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 #0,0,1 Current State: 10:[66, 71], Operations: ['96-30=66', '8+63=71'] Exploring Operation: 71-66=5, Resulting Numbers: [5] 5,10 unequal: No Solution Exploring Operation: 66*71=4686, Resulting Numbers: [4686] 4686,10 unequal: No Solution Exploring Operation: 66+71=137, Resulting Numbers: [137] 137,10 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 10:[63, 74], Operations: ['96-30=66', '8+66=74'] Exploring Operation: 63+74=137, Resulting Numbers: [137] 137,10 unequal: No Solution Exploring Operation: 74-63=11, Resulting Numbers: [11] 11,10 unequal: No Solution Exploring Operation: 63*74=4662, Resulting Numbers: [4662] 4662,10 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: 10:[8, 96, 33], Operations: ['63-30=33'] Exploring Operation: 8+96=104, Resulting Numbers: [33, 104] Generated Node #0,1,0: 10:[33, 104] Operation: 8+96=104 Exploring Operation: 96/8=12, Resulting Numbers: [33, 12] Generated Node #0,1,1: 10:[33, 12] Operation: 96/8=12 Exploring Operation: 96-33=63, Resulting Numbers: [8, 63] Generated Node #0,1,2: 10:[8, 63] Operation: 96-33=63 Exploring Operation: 96-8=88, Resulting Numbers: [33, 88] Generated Node #0,1,3: 10:[33, 88] Operation: 96-8=88 Exploring Operation: 33-8=25, Resulting Numbers: [96, 25] Generated Node #0,1,4: 10:[96, 25] Operation: 33-8=25 Moving to Node #0,2 Current State: 10:[63, 30, 88], Operations: ['96-8=88'] Exploring Operation: 63+88=151, Resulting Numbers: [30, 151] Generated Node #0,2,0: 10:[30, 151] Operation: 63+88=151 Exploring Operation: 63+30=93, Resulting Numbers: [88, 93] Generated Node #0,2,1: 10:[88, 93] Operation: 63+30=93 Exploring Operation: 63-30=33, Resulting Numbers: [88, 33] Generated Node #0,2,2: 10:[88, 33] Operation: 63-30=33 Exploring Operation: 88-30=58, Resulting Numbers: [63, 58] Generated Node #0,2,3: 10:[63, 58] Operation: 88-30=58 Exploring Operation: 88-63=25, Resulting Numbers: [30, 25] Generated Node #0,2,4: 10:[30, 25] Operation: 88-63=25 Moving to Node #0,1,1 Current State: 10:[33, 12], Operations: ['63-30=33', '96/8=12'] Exploring Operation: 33-12=21, Resulting Numbers: [21] 21,10 unequal: No Solution Exploring Operation: 33*12=396, Resulting Numbers: [396] 396,10 unequal: No Solution Exploring Operation: 33+12=45, Resulting Numbers: [45] 45,10 unequal: No Solution Moving to Node #0,2,4 Current State: 10:[30, 25], Operations: ['96-8=88', '88-63=25'] Exploring Operation: 30+25=55, Resulting Numbers: [55] 55,10 unequal: No Solution Exploring Operation: 30*25=750, Resulting Numbers: [750] 750,10 unequal: No Solution Exploring Operation: 30-25=5, Resulting Numbers: [5] 5,10 unequal: No Solution Moving to Node #0,1,2 Current State: 10:[8, 63], Operations: ['63-30=33', '96-33=63'] Exploring Operation: 8+63=71, Resulting Numbers: [71] 71,10 unequal: No Solution Exploring Operation: 63-8=55, Resulting Numbers: [55] 55,10 unequal: No Solution Exploring Operation: 8*63=504, Resulting Numbers: [504] 504,10 unequal: No Solution Moving to Node #0,2,2 Current State: 10:[88, 33], Operations: ['96-8=88', '63-30=33'] Exploring Operation: 88+33=121, Resulting Numbers: [121] 121,10 unequal: No Solution Exploring Operation: 88-33=55, Resulting Numbers: [55] 55,10 unequal: No Solution Exploring Operation: 88*33=2904, Resulting Numbers: [2904] 2904,10 unequal: No Solution Moving to Node #0,1,3 Current State: 10:[33, 88], Operations: ['63-30=33', '96-8=88'] Exploring Operation: 88-33=55, Resulting Numbers: [55] 55,10 unequal: No Solution Exploring Operation: 33*88=2904, Resulting Numbers: [2904] 2904,10 unequal: No Solution Exploring Operation: 33+88=121, Resulting Numbers: [121] 121,10 unequal: No Solution Moving to Node #0,1,4 Current State: 10:[96, 25], Operations: ['63-30=33', '33-8=25'] Exploring Operation: 96-25=71, Resulting Numbers: [71] 71,10 unequal: No Solution Exploring Operation: 96*25=2400, Resulting Numbers: [2400] 2400,10 unequal: No Solution Exploring Operation: 96+25=121, Resulting Numbers: [121] 121,10 unequal: No Solution Moving to Node #0,2,3 Current State: 10:[63, 58], Operations: ['96-8=88', '88-30=58'] Exploring Operation: 63-58=5, Resulting Numbers: [5] 5,10 unequal: No Solution Exploring Operation: 63*58=3654, Resulting Numbers: [3654] 3654,10 unequal: No Solution Exploring Operation: 63+58=121, Resulting Numbers: [121] 121,10 unequal: No Solution Moving to Node #0,1,0 Current State: 10:[33, 104], Operations: ['63-30=33', '8+96=104'] Exploring Operation: 33*104=3432, Resulting Numbers: [3432] 3432,10 unequal: No Solution Exploring Operation: 104-33=71, Resulting Numbers: [71] 71,10 unequal: No Solution Exploring Operation: 33+104=137, Resulting Numbers: [137] 137,10 unequal: No Solution Moving to Node #0,2,1 Current State: 10:[88, 93], Operations: ['96-8=88', '63+30=93'] Exploring Operation: 88*93=8184, Resulting Numbers: [8184] 8184,10 unequal: No Solution Exploring Operation: 93-88=5, Resulting Numbers: [5] 5,10 unequal: No Solution Exploring Operation: 88+93=181, Resulting Numbers: [181] 181,10 unequal: No Solution Moving to Node #0,2,0 Current State: 10:[30, 151], Operations: ['96-8=88', '63+88=151'] Exploring Operation: 30+151=181, Resulting Numbers: [181] 181,10 unequal: No Solution Exploring Operation: 151-30=121, Resulting Numbers: [121] 121,10 unequal: No Solution Exploring Operation: 30*151=4530, Resulting Numbers: [4530] 4530,10 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 9, 5, 5, 36 ]
36
[ "9-5=4", "5-4=1", "36*1=36" ]
Current State: 36:[9, 5, 5, 36], Operations: [] Exploring Operation: 9-5=4, Resulting Numbers: [36, 4] Generated Node #2: [36, 4] from Operation: 9-5=4 Current State: 36:[36, 4], Operations: ['9-5=4'] Exploring Operation: 5-4=1, Resulting Numbers: [36, 1] Generated Node #3: [36, 1] from Operation: 5-4=1 Current State: 36:[36, 1], Operations: ['9-5=4', '5-4=1'] Exploring Operation: 36*1=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
4
Current State: 36:[9, 5, 5, 36], Operations: [] Exploring Operation: 9-5=4, Resulting Numbers: [5, 36, 4] Generated Node #0,0: 36:[5, 36, 4] Operation: 9-5=4 Exploring Operation: 9-5=4, Resulting Numbers: [5, 36, 4] Generated Node #0,1: 36:[5, 36, 4] Operation: 9-5=4 Start Sub Search at level 1: Moving to Node #0,0 Current State: 36:[5, 36, 4], Operations: ['9-5=4'] Exploring Operation: 5+4=9, Resulting Numbers: [36, 9] Generated Node #0,0,0: 36:[36, 9] Operation: 5+4=9 Exploring Operation: 5-4=1, Resulting Numbers: [36, 1] Generated Node #0,0,1: 36:[36, 1] Operation: 5-4=1 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 36:[36, 9], Operations: ['9-5=4', '5+4=9'] Exploring Operation: 36/9=4, Resulting Numbers: [4] 4,36 unequal: No Solution Exploring Operation: 36+9=45, Resulting Numbers: [45] 45,36 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 36:[36, 1], Operations: ['9-5=4', '5-4=1'] Exploring Operation: 36/1=36, Resulting Numbers: [36] 36,36 equal: Goal Reached Moving to Node #0 Current State: 36:[9, 5, 5, 36], Operations: [] Exploring Operation: 9-5=4, Resulting Numbers: [5, 36, 4] Generated Node #0,0: 36:[5, 36, 4] Operation: 9-5=4 Moving to Node #0,0 Current State: 36:[5, 36, 4], Operations: ['9-5=4'] Exploring Operation: 5-4=1, Resulting Numbers: [36, 1] Generated Node #0,0,1: 36:[36, 1] Operation: 5-4=1 Moving to Node #0,0,1 Current State: 36:[36, 1], Operations: ['9-5=4', '5-4=1'] Exploring Operation: 36/1=36, Resulting Numbers: [36] 36,36 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.990451
hs_2
mult_heuristic
[ 26, 21, 72, 79 ]
78
[ "26*21=546", "79-72=7", "546/7=78" ]
Current State: 78:[26, 21, 72, 79], Operations: [] Exploring Operation: 26*21=546, Resulting Numbers: [72, 79, 546] Generated Node #2: [72, 79, 546] from Operation: 26*21=546 Current State: 78:[72, 79, 546], Operations: ['26*21=546'] Exploring Operation: 79-72=7, Resulting Numbers: [546, 7] Generated Node #3: [546, 7] from Operation: 79-72=7 Current State: 78:[546, 7], Operations: ['26*21=546', '79-72=7'] Exploring Operation: 546/7=78, Resulting Numbers: [78] 78,78 equal: Goal Reached
4
Current State: 78:[26, 21, 72, 79], Operations: [] Exploring Operation: 79-72=7, Resulting Numbers: [26, 21, 7] Generated Node #0,0: 78:[26, 21, 7] Operation: 79-72=7 Exploring Operation: 72-26=46, Resulting Numbers: [21, 79, 46] Generated Node #0,1: 78:[21, 79, 46] Operation: 72-26=46 Exploring Operation: 26-21=5, Resulting Numbers: [72, 79, 5] Generated Node #0,2: 78:[72, 79, 5] Operation: 26-21=5 Start Sub Search at level 1: Moving to Node #0,0 Current State: 78:[26, 21, 7], Operations: ['79-72=7'] Exploring Operation: 21-7=14, Resulting Numbers: [26, 14] Generated Node #0,0,0: 78:[26, 14] Operation: 21-7=14 Exploring Operation: 21/7=3, Resulting Numbers: [26, 3] Generated Node #0,0,1: 78:[26, 3] Operation: 21/7=3 Exploring Operation: 26-21=5, Resulting Numbers: [7, 5] Generated Node #0,0,2: 78:[7, 5] Operation: 26-21=5 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 78:[26, 3], Operations: ['79-72=7', '21/7=3'] Exploring Operation: 26-3=23, Resulting Numbers: [23] 23,78 unequal: No Solution Exploring Operation: 26*3=78, Resulting Numbers: [78] 78,78 equal: Goal Reached Moving to Node #0 Current State: 78:[26, 21, 72, 79], Operations: [] Exploring Operation: 79-72=7, Resulting Numbers: [26, 21, 7] Generated Node #0,0: 78:[26, 21, 7] Operation: 79-72=7 Moving to Node #0,0 Current State: 78:[26, 21, 7], Operations: ['79-72=7'] Exploring Operation: 21/7=3, Resulting Numbers: [26, 3] Generated Node #0,0,1: 78:[26, 3] Operation: 21/7=3 Moving to Node #0,0,1 Current State: 78:[26, 3], Operations: ['79-72=7', '21/7=3'] Exploring Operation: 26*3=78, Resulting Numbers: [78] 78,78 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.989583
hs_3
sum_heuristic
[ 86, 55, 56, 66 ]
25
[ "86-56=30", "55*30=1650", "1650/66=25" ]
Current State: 25:[86, 55, 56, 66], Operations: [] Exploring Operation: 86-56=30, Resulting Numbers: [55, 66, 30] Generated Node #2: [55, 66, 30] from Operation: 86-56=30 Current State: 25:[55, 66, 30], Operations: ['86-56=30'] Exploring Operation: 55*30=1650, Resulting Numbers: [66, 1650] Generated Node #3: [66, 1650] from Operation: 55*30=1650 Current State: 25:[66, 1650], Operations: ['86-56=30', '55*30=1650'] Exploring Operation: 1650/66=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[86, 55, 56, 66], Operations: [] Exploring Operation: 86-66=20, Resulting Numbers: [55, 56, 20] Generated Node #0,0: 25:[55, 56, 20] Operation: 86-66=20 Exploring Operation: 86-56=30, Resulting Numbers: [55, 66, 30] Generated Node #0,1: 25:[55, 66, 30] Operation: 86-56=30 Moving to Node #0,0 Current State: 25:[55, 56, 20], Operations: ['86-66=20'] Exploring Operation: 55-20=35, Resulting Numbers: [56, 35] Generated Node #0,0,0: 25:[56, 35] Operation: 55-20=35 Exploring Operation: 56-55=1, Resulting Numbers: [20, 1] Generated Node #0,0,1: 25:[20, 1] Operation: 56-55=1 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 25:[20, 1], Operations: ['86-66=20', '56-55=1'] Exploring Operation: 20*1=20, Resulting Numbers: [20] 20,25 unequal: No Solution Exploring Operation: 20+1=21, Resulting Numbers: [21] 21,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 25:[56, 35], Operations: ['86-66=20', '55-20=35'] Exploring Operation: 56+35=91, Resulting Numbers: [91] 91,25 unequal: No Solution Exploring Operation: 56-35=21, Resulting Numbers: [21] 21,25 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: 25:[55, 66, 30], Operations: ['86-56=30'] Exploring Operation: 66-55=11, Resulting Numbers: [30, 11] Generated Node #0,1,0: 25:[30, 11] Operation: 66-55=11 Exploring Operation: 55-30=25, Resulting Numbers: [66, 25] Generated Node #0,1,1: 25:[66, 25] Operation: 55-30=25 Moving to Node #0,1,0 Current State: 25:[30, 11], Operations: ['86-56=30', '66-55=11'] Exploring Operation: 30+11=41, Resulting Numbers: [41] 41,25 unequal: No Solution Exploring Operation: 30-11=19, Resulting Numbers: [19] 19,25 unequal: No Solution Moving to Node #0,1,1 Current State: 25:[66, 25], Operations: ['86-56=30', '55-30=25'] Exploring Operation: 66+25=91, Resulting Numbers: [91] 91,25 unequal: No Solution Exploring Operation: 66-25=41, Resulting Numbers: [41] 41,25 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 42, 16, 38, 65 ]
60
[ "42+38=80", "80/16=5", "65-5=60" ]
Current State: 60:[42, 16, 38, 65], Operations: [] Exploring Operation: 42+38=80, Resulting Numbers: [16, 65, 80] Generated Node #2: [16, 65, 80] from Operation: 42+38=80 Current State: 60:[16, 65, 80], Operations: ['42+38=80'] Exploring Operation: 80/16=5, Resulting Numbers: [65, 5] Generated Node #3: [65, 5] from Operation: 80/16=5 Current State: 60:[65, 5], Operations: ['42+38=80', '80/16=5'] Exploring Operation: 65-5=60, Resulting Numbers: [60] 60,60 equal: Goal Reached
4
Current State: 60:[42, 16, 38, 65], Operations: [] Exploring Operation: 42+16=58, Resulting Numbers: [38, 65, 58] Generated Node #0,0: 60:[38, 65, 58] Operation: 42+16=58 Exploring Operation: 42-38=4, Resulting Numbers: [16, 65, 4] Generated Node #0,1: 60:[16, 65, 4] Operation: 42-38=4 Exploring Operation: 65-42=23, Resulting Numbers: [16, 38, 23] Generated Node #0,2: 60:[16, 38, 23] Operation: 65-42=23 Moving to Node #0,1 Current State: 60:[16, 65, 4], Operations: ['42-38=4'] Exploring Operation: 16-4=12, Resulting Numbers: [65, 12] Generated Node #0,1,0: 60:[65, 12] Operation: 16-4=12 Exploring Operation: 16+4=20, Resulting Numbers: [65, 20] Generated Node #0,1,1: 60:[65, 20] Operation: 16+4=20 Exploring Operation: 65-4=61, Resulting Numbers: [16, 61] Generated Node #0,1,2: 60:[16, 61] Operation: 65-4=61 Moving to Node #0,2 Current State: 60:[16, 38, 23], Operations: ['65-42=23'] Exploring Operation: 38+23=61, Resulting Numbers: [16, 61] Generated Node #0,2,0: 60:[16, 61] Operation: 38+23=61 Exploring Operation: 38-16=22, Resulting Numbers: [23, 22] Generated Node #0,2,1: 60:[23, 22] Operation: 38-16=22 Exploring Operation: 38-23=15, Resulting Numbers: [16, 15] Generated Node #0,2,2: 60:[16, 15] Operation: 38-23=15 Moving to Node #0,0 Current State: 60:[38, 65, 58], Operations: ['42+16=58'] Exploring Operation: 58-38=20, Resulting Numbers: [65, 20] Generated Node #0,0,0: 60:[65, 20] Operation: 58-38=20 Exploring Operation: 65-58=7, Resulting Numbers: [38, 7] Generated Node #0,0,1: 60:[38, 7] Operation: 65-58=7 Exploring Operation: 65-38=27, Resulting Numbers: [58, 27] Generated Node #0,0,2: 60:[58, 27] Operation: 65-38=27 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 60:[65, 20], Operations: ['42+16=58', '58-38=20'] Exploring Operation: 65-20=45, Resulting Numbers: [45] 45,60 unequal: No Solution Exploring Operation: 65*20=1300, Resulting Numbers: [1300] 1300,60 unequal: No Solution Exploring Operation: 65+20=85, Resulting Numbers: [85] 85,60 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 60:[58, 27], Operations: ['42+16=58', '65-38=27'] Exploring Operation: 58-27=31, Resulting Numbers: [31] 31,60 unequal: No Solution Exploring Operation: 58+27=85, Resulting Numbers: [85] 85,60 unequal: No Solution Exploring Operation: 58*27=1566, Resulting Numbers: [1566] 1566,60 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 60:[38, 7], Operations: ['42+16=58', '65-58=7'] Exploring Operation: 38+7=45, Resulting Numbers: [45] 45,60 unequal: No Solution Exploring Operation: 38-7=31, Resulting Numbers: [31] 31,60 unequal: No Solution Exploring Operation: 38*7=266, Resulting Numbers: [266] 266,60 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2,2 Current State: 60:[16, 15], Operations: ['65-42=23', '38-23=15'] Exploring Operation: 16*15=240, Resulting Numbers: [240] 240,60 unequal: No Solution Exploring Operation: 16+15=31, Resulting Numbers: [31] 31,60 unequal: No Solution Exploring Operation: 16-15=1, Resulting Numbers: [1] 1,60 unequal: No Solution Moving to Node #0,1,2 Current State: 60:[16, 61], Operations: ['42-38=4', '65-4=61'] Exploring Operation: 16+61=77, Resulting Numbers: [77] 77,60 unequal: No Solution Exploring Operation: 16*61=976, Resulting Numbers: [976] 976,60 unequal: No Solution Exploring Operation: 61-16=45, Resulting Numbers: [45] 45,60 unequal: No Solution Moving to Node #0,2,0 Current State: 60:[16, 61], Operations: ['65-42=23', '38+23=61'] Exploring Operation: 16*61=976, Resulting Numbers: [976] 976,60 unequal: No Solution Exploring Operation: 16+61=77, Resulting Numbers: [77] 77,60 unequal: No Solution Exploring Operation: 61-16=45, Resulting Numbers: [45] 45,60 unequal: No Solution Moving to Node #0,1,1 Current State: 60:[65, 20], Operations: ['42-38=4', '16+4=20'] Exploring Operation: 65+20=85, Resulting Numbers: [85] 85,60 unequal: No Solution Exploring Operation: 65-20=45, Resulting Numbers: [45] 45,60 unequal: No Solution Exploring Operation: 65*20=1300, Resulting Numbers: [1300] 1300,60 unequal: No Solution Moving to Node #0,1,0 Current State: 60:[65, 12], Operations: ['42-38=4', '16-4=12'] Exploring Operation: 65*12=780, Resulting Numbers: [780] 780,60 unequal: No Solution Exploring Operation: 65-12=53, Resulting Numbers: [53] 53,60 unequal: No Solution Exploring Operation: 65+12=77, Resulting Numbers: [77] 77,60 unequal: No Solution Moving to Node #0,2,1 Current State: 60:[23, 22], Operations: ['65-42=23', '38-16=22'] Exploring Operation: 23-22=1, Resulting Numbers: [1] 1,60 unequal: No Solution Exploring Operation: 23*22=506, Resulting Numbers: [506] 506,60 unequal: No Solution Exploring Operation: 23+22=45, Resulting Numbers: [45] 45,60 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 93, 7, 50, 74 ]
38
[ "93-7=86", "50+74=124", "124-86=38" ]
Current State: 38:[93, 7, 50, 74], Operations: [] Exploring Operation: 93-7=86, Resulting Numbers: [50, 74, 86] Generated Node #2: [50, 74, 86] from Operation: 93-7=86 Current State: 38:[50, 74, 86], Operations: ['93-7=86'] Exploring Operation: 50+74=124, Resulting Numbers: [86, 124] Generated Node #3: [86, 124] from Operation: 50+74=124 Current State: 38:[86, 124], Operations: ['93-7=86', '50+74=124'] Exploring Operation: 124-86=38, Resulting Numbers: [38] 38,38 equal: Goal Reached
4
Current State: 38:[93, 7, 50, 74], Operations: [] Exploring Operation: 93-7=86, Resulting Numbers: [50, 74, 86] Generated Node #0,0: 38:[50, 74, 86] Operation: 93-7=86 Exploring Operation: 74-50=24, Resulting Numbers: [93, 7, 24] Generated Node #0,1: 38:[93, 7, 24] Operation: 74-50=24 Exploring Operation: 93-50=43, Resulting Numbers: [7, 74, 43] Generated Node #0,2: 38:[7, 74, 43] Operation: 93-50=43 Exploring Operation: 50-7=43, Resulting Numbers: [93, 74, 43] Generated Node #0,3: 38:[93, 74, 43] Operation: 50-7=43 Exploring Operation: 93-74=19, Resulting Numbers: [7, 50, 19] Generated Node #0,4: 38:[7, 50, 19] Operation: 93-74=19 Moving to Node #0,4 Current State: 38:[7, 50, 19], Operations: ['93-74=19'] Exploring Operation: 7+50=57, Resulting Numbers: [19, 57] Generated Node #0,4,0: 38:[19, 57] Operation: 7+50=57 Exploring Operation: 50-19=31, Resulting Numbers: [7, 31] Generated Node #0,4,1: 38:[7, 31] Operation: 50-19=31 Exploring Operation: 19-7=12, Resulting Numbers: [50, 12] Generated Node #0,4,2: 38:[50, 12] Operation: 19-7=12 Exploring Operation: 7+19=26, Resulting Numbers: [50, 26] Generated Node #0,4,3: 38:[50, 26] Operation: 7+19=26 Exploring Operation: 50-7=43, Resulting Numbers: [19, 43] Generated Node #0,4,4: 38:[19, 43] Operation: 50-7=43 Moving to Node #0,2 Current State: 38:[7, 74, 43], Operations: ['93-50=43'] Exploring Operation: 7+43=50, Resulting Numbers: [74, 50] Generated Node #0,2,0: 38:[74, 50] Operation: 7+43=50 Exploring Operation: 43-7=36, Resulting Numbers: [74, 36] Generated Node #0,2,1: 38:[74, 36] Operation: 43-7=36 Exploring Operation: 74-43=31, Resulting Numbers: [7, 31] Generated Node #0,2,2: 38:[7, 31] Operation: 74-43=31 Exploring Operation: 7+74=81, Resulting Numbers: [43, 81] Generated Node #0,2,3: 38:[43, 81] Operation: 7+74=81 Exploring Operation: 74-7=67, Resulting Numbers: [43, 67] Generated Node #0,2,4: 38:[43, 67] Operation: 74-7=67 Moving to Node #0,1 Current State: 38:[93, 7, 24], Operations: ['74-50=24'] Exploring Operation: 24-7=17, Resulting Numbers: [93, 17] Generated Node #0,1,0: 38:[93, 17] Operation: 24-7=17 Exploring Operation: 93-24=69, Resulting Numbers: [7, 69] Generated Node #0,1,1: 38:[7, 69] Operation: 93-24=69 Exploring Operation: 7+24=31, Resulting Numbers: [93, 31] Generated Node #0,1,2: 38:[93, 31] Operation: 7+24=31 Exploring Operation: 93+7=100, Resulting Numbers: [24, 100] Generated Node #0,1,3: 38:[24, 100] Operation: 93+7=100 Exploring Operation: 93-7=86, Resulting Numbers: [24, 86] Generated Node #0,1,4: 38:[24, 86] Operation: 93-7=86 Moving to Node #0,0 Current State: 38:[50, 74, 86], Operations: ['93-7=86'] Exploring Operation: 74-50=24, Resulting Numbers: [86, 24] Generated Node #0,0,0: 38:[86, 24] Operation: 74-50=24 Exploring Operation: 86-74=12, Resulting Numbers: [50, 12] Generated Node #0,0,1: 38:[50, 12] Operation: 86-74=12 Exploring Operation: 50+74=124, Resulting Numbers: [86, 124] Generated Node #0,0,2: 38:[86, 124] Operation: 50+74=124 Exploring Operation: 50+86=136, Resulting Numbers: [74, 136] Generated Node #0,0,3: 38:[74, 136] Operation: 50+86=136 Exploring Operation: 86-50=36, Resulting Numbers: [74, 36] Generated Node #0,0,4: 38:[74, 36] Operation: 86-50=36 Moving to Node #0,3 Current State: 38:[93, 74, 43], Operations: ['50-7=43'] Exploring Operation: 93-43=50, Resulting Numbers: [74, 50] Generated Node #0,3,0: 38:[74, 50] Operation: 93-43=50 Exploring Operation: 93+74=167, Resulting Numbers: [43, 167] Generated Node #0,3,1: 38:[43, 167] Operation: 93+74=167 Exploring Operation: 93+43=136, Resulting Numbers: [74, 136] Generated Node #0,3,2: 38:[74, 136] Operation: 93+43=136 Exploring Operation: 74-43=31, Resulting Numbers: [93, 31] Generated Node #0,3,3: 38:[93, 31] Operation: 74-43=31 Exploring Operation: 93-74=19, Resulting Numbers: [43, 19] Generated Node #0,3,4: 38:[43, 19] Operation: 93-74=19 Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 38:[43, 19], Operations: ['50-7=43', '93-74=19'] Exploring Operation: 43*19=817, Resulting Numbers: [817] 817,38 unequal: No Solution Exploring Operation: 43-19=24, Resulting Numbers: [24] 24,38 unequal: No Solution Exploring Operation: 43+19=62, Resulting Numbers: [62] 62,38 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 38:[74, 50], Operations: ['50-7=43', '93-43=50'] Exploring Operation: 74+50=124, Resulting Numbers: [124] 124,38 unequal: No Solution Exploring Operation: 74-50=24, Resulting Numbers: [24] 24,38 unequal: No Solution Exploring Operation: 74*50=3700, Resulting Numbers: [3700] 3700,38 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 38:[93, 31], Operations: ['50-7=43', '74-43=31'] Exploring Operation: 93/31=3, Resulting Numbers: [3] 3,38 unequal: No Solution Exploring Operation: 93+31=124, Resulting Numbers: [124] 124,38 unequal: No Solution Exploring Operation: 93*31=2883, Resulting Numbers: [2883] 2883,38 unequal: No Solution Exploring Operation: 93-31=62, Resulting Numbers: [62] 62,38 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 38:[43, 167], Operations: ['50-7=43', '93+74=167'] Exploring Operation: 43+167=210, Resulting Numbers: [210] 210,38 unequal: No Solution Exploring Operation: 43*167=7181, Resulting Numbers: [7181] 7181,38 unequal: No Solution Exploring Operation: 167-43=124, Resulting Numbers: [124] 124,38 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 38:[74, 136], Operations: ['50-7=43', '93+43=136'] Exploring Operation: 136-74=62, Resulting Numbers: [62] 62,38 unequal: No Solution Exploring Operation: 74+136=210, Resulting Numbers: [210] 210,38 unequal: No Solution Exploring Operation: 74*136=10064, Resulting Numbers: [10064] 10064,38 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,4,4 Current State: 38:[19, 43], Operations: ['93-74=19', '50-7=43'] Exploring Operation: 19+43=62, Resulting Numbers: [62] 62,38 unequal: No Solution Exploring Operation: 43-19=24, Resulting Numbers: [24] 24,38 unequal: No Solution Exploring Operation: 19*43=817, Resulting Numbers: [817] 817,38 unequal: No Solution Moving to Node #0,2,2 Current State: 38:[7, 31], Operations: ['93-50=43', '74-43=31'] Exploring Operation: 7*31=217, Resulting Numbers: [217] 217,38 unequal: No Solution Exploring Operation: 31-7=24, Resulting Numbers: [24] 24,38 unequal: No Solution Exploring Operation: 7+31=38, Resulting Numbers: [38] 38,38 equal: Goal Reached Moving to Node #0 Current State: 38:[93, 7, 50, 74], Operations: [] Exploring Operation: 93-50=43, Resulting Numbers: [7, 74, 43] Generated Node #0,2: 38:[7, 74, 43] Operation: 93-50=43 Moving to Node #0,2 Current State: 38:[7, 74, 43], Operations: ['93-50=43'] Exploring Operation: 74-43=31, Resulting Numbers: [7, 31] Generated Node #0,2,2: 38:[7, 31] Operation: 74-43=31 Moving to Node #0,2,2 Current State: 38:[7, 31], Operations: ['93-50=43', '74-43=31'] Exploring Operation: 7+31=38, Resulting Numbers: [38] 38,38 equal: Goal Reached
0.951389
hs_5
sum_heuristic
[ 72, 6, 3, 36 ]
63
[ "72-3=69", "36/6=6", "69-6=63" ]
Current State: 63:[72, 6, 3, 36], Operations: [] Exploring Operation: 72-3=69, Resulting Numbers: [6, 36, 69] Generated Node #2: [6, 36, 69] from Operation: 72-3=69 Current State: 63:[6, 36, 69], Operations: ['72-3=69'] Exploring Operation: 36/6=6, Resulting Numbers: [69, 6] Generated Node #3: [69, 6] from Operation: 36/6=6 Current State: 63:[69, 6], Operations: ['72-3=69', '36/6=6'] Exploring Operation: 69-6=63, Resulting Numbers: [63] 63,63 equal: Goal Reached
4
Current State: 63:[72, 6, 3, 36], Operations: [] Exploring Operation: 36/6=6, Resulting Numbers: [72, 3, 6] Generated Node #0,0: 63:[72, 3, 6] Operation: 36/6=6 Exploring Operation: 72-6=66, Resulting Numbers: [3, 36, 66] Generated Node #0,1: 63:[3, 36, 66] Operation: 72-6=66 Exploring Operation: 36/3=12, Resulting Numbers: [72, 6, 12] Generated Node #0,2: 63:[72, 6, 12] Operation: 36/3=12 Exploring Operation: 72-36=36, Resulting Numbers: [6, 3, 36] Generated Node #0,3: 63:[6, 3, 36] Operation: 72-36=36 Exploring Operation: 72/36=2, Resulting Numbers: [6, 3, 2] Generated Node #0,4: 63:[6, 3, 2] Operation: 72/36=2 Moving to Node #0,4 Current State: 63:[6, 3, 2], Operations: ['72/36=2'] Exploring Operation: 6+3=9, Resulting Numbers: [2, 9] Generated Node #0,4,0: 63:[2, 9] Operation: 6+3=9 Exploring Operation: 6+2=8, Resulting Numbers: [3, 8] Generated Node #0,4,1: 63:[3, 8] Operation: 6+2=8 Exploring Operation: 6/2=3, Resulting Numbers: [3, 3] Generated Node #0,4,2: 63:[3, 3] Operation: 6/2=3 Exploring Operation: 6-3=3, Resulting Numbers: [2, 3] Generated Node #0,4,3: 63:[2, 3] Operation: 6-3=3 Exploring Operation: 6-2=4, Resulting Numbers: [3, 4] Generated Node #0,4,4: 63:[3, 4] Operation: 6-2=4 Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 63:[3, 3], Operations: ['72/36=2', '6/2=3'] Exploring Operation: 3+3=6, Resulting Numbers: [6] 6,63 unequal: No Solution Exploring Operation: 3*3=9, Resulting Numbers: [9] 9,63 unequal: No Solution Exploring Operation: 3/3=1, Resulting Numbers: [1] 1,63 unequal: No Solution Exploring Operation: 3-3=0, Resulting Numbers: [0] 0,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 63:[2, 9], Operations: ['72/36=2', '6+3=9'] Exploring Operation: 2*9=18, Resulting Numbers: [18] 18,63 unequal: No Solution Exploring Operation: 2+9=11, Resulting Numbers: [11] 11,63 unequal: No Solution Exploring Operation: 9-2=7, Resulting Numbers: [7] 7,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 63:[3, 8], Operations: ['72/36=2', '6+2=8'] Exploring Operation: 8-3=5, Resulting Numbers: [5] 5,63 unequal: No Solution Exploring Operation: 3*8=24, Resulting Numbers: [24] 24,63 unequal: No Solution Exploring Operation: 3+8=11, Resulting Numbers: [11] 11,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 63:[2, 3], Operations: ['72/36=2', '6-3=3'] Exploring Operation: 2+3=5, Resulting Numbers: [5] 5,63 unequal: No Solution Exploring Operation: 3-2=1, Resulting Numbers: [1] 1,63 unequal: No Solution Exploring Operation: 2*3=6, Resulting Numbers: [6] 6,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 63:[3, 4], Operations: ['72/36=2', '6-2=4'] Exploring Operation: 3+4=7, Resulting Numbers: [7] 7,63 unequal: No Solution Exploring Operation: 4-3=1, Resulting Numbers: [1] 1,63 unequal: No Solution Exploring Operation: 3*4=12, Resulting Numbers: [12] 12,63 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: 63:[72, 3, 6], Operations: ['36/6=6'] Exploring Operation: 72-3=69, Resulting Numbers: [6, 69] Generated Node #0,0,0: 63:[6, 69] Operation: 72-3=69 Exploring Operation: 72-6=66, Resulting Numbers: [3, 66] Generated Node #0,0,1: 63:[3, 66] Operation: 72-6=66 Exploring Operation: 72/3=24, Resulting Numbers: [6, 24] Generated Node #0,0,2: 63:[6, 24] Operation: 72/3=24 Exploring Operation: 3+6=9, Resulting Numbers: [72, 9] Generated Node #0,0,3: 63:[72, 9] Operation: 3+6=9 Exploring Operation: 72/6=12, Resulting Numbers: [3, 12] Generated Node #0,0,4: 63:[3, 12] Operation: 72/6=12 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 63:[3, 66], Operations: ['36/6=6', '72-6=66'] Exploring Operation: 3*66=198, Resulting Numbers: [198] 198,63 unequal: No Solution Exploring Operation: 66-3=63, Resulting Numbers: [63] 63,63 equal: Goal Reached Moving to Node #0 Current State: 63:[72, 6, 3, 36], Operations: [] Exploring Operation: 36/6=6, Resulting Numbers: [72, 3, 6] Generated Node #0,0: 63:[72, 3, 6] Operation: 36/6=6 Moving to Node #0,0 Current State: 63:[72, 3, 6], Operations: ['36/6=6'] Exploring Operation: 72-6=66, Resulting Numbers: [3, 66] Generated Node #0,0,1: 63:[3, 66] Operation: 72-6=66 Moving to Node #0,0,1 Current State: 63:[3, 66], Operations: ['36/6=6', '72-6=66'] Exploring Operation: 66-3=63, Resulting Numbers: [63] 63,63 equal: Goal Reached Exit Sub Search at level 1
0.967882
hs_5
sum_heuristic
[ 18, 31, 71, 7 ]
29
[ "18+31=49", "71+7=78", "78-49=29" ]
Current State: 29:[18, 31, 71, 7], Operations: [] Exploring Operation: 18+31=49, Resulting Numbers: [71, 7, 49] Generated Node #2: [71, 7, 49] from Operation: 18+31=49 Current State: 29:[71, 7, 49], Operations: ['18+31=49'] Exploring Operation: 71+7=78, Resulting Numbers: [49, 78] Generated Node #3: [49, 78] from Operation: 71+7=78 Current State: 29:[49, 78], Operations: ['18+31=49', '71+7=78'] Exploring Operation: 78-49=29, Resulting Numbers: [29] 29,29 equal: Goal Reached
4
Current State: 29:[18, 31, 71, 7], Operations: [] Exploring Operation: 71-31=40, Resulting Numbers: [18, 7, 40] Generated Node #0,0: 29:[18, 7, 40] Operation: 71-31=40 Exploring Operation: 18+7=25, Resulting Numbers: [31, 71, 25] Generated Node #0,1: 29:[31, 71, 25] Operation: 18+7=25 Exploring Operation: 31-7=24, Resulting Numbers: [18, 71, 24] Generated Node #0,2: 29:[18, 71, 24] Operation: 31-7=24 Exploring Operation: 71-18=53, Resulting Numbers: [31, 7, 53] Generated Node #0,3: 29:[31, 7, 53] Operation: 71-18=53 Exploring Operation: 71-7=64, Resulting Numbers: [18, 31, 64] Generated Node #0,4: 29:[18, 31, 64] Operation: 71-7=64 Start Sub Search at level 1: Moving to Node #0,0 Current State: 29:[18, 7, 40], Operations: ['71-31=40'] Exploring Operation: 18-7=11, Resulting Numbers: [40, 11] Generated Node #0,0,0: 29:[40, 11] Operation: 18-7=11 Exploring Operation: 7+40=47, Resulting Numbers: [18, 47] Generated Node #0,0,1: 29:[18, 47] Operation: 7+40=47 Exploring Operation: 40-7=33, Resulting Numbers: [18, 33] Generated Node #0,0,2: 29:[18, 33] Operation: 40-7=33 Exploring Operation: 40-18=22, Resulting Numbers: [7, 22] Generated Node #0,0,3: 29:[7, 22] Operation: 40-18=22 Exploring Operation: 18+7=25, Resulting Numbers: [40, 25] Generated Node #0,0,4: 29:[40, 25] Operation: 18+7=25 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 29:[18, 33], Operations: ['71-31=40', '40-7=33'] Exploring Operation: 18+33=51, Resulting Numbers: [51] 51,29 unequal: No Solution Exploring Operation: 18*33=594, Resulting Numbers: [594] 594,29 unequal: No Solution Exploring Operation: 33-18=15, Resulting Numbers: [15] 15,29 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 29:[40, 25], Operations: ['71-31=40', '18+7=25'] Exploring Operation: 40+25=65, Resulting Numbers: [65] 65,29 unequal: No Solution Exploring Operation: 40-25=15, Resulting Numbers: [15] 15,29 unequal: No Solution Exploring Operation: 40*25=1000, Resulting Numbers: [1000] 1000,29 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 29:[40, 11], Operations: ['71-31=40', '18-7=11'] Exploring Operation: 40-11=29, Resulting Numbers: [29] 29,29 equal: Goal Reached Moving to Node #0 Current State: 29:[18, 31, 71, 7], Operations: [] Exploring Operation: 71-31=40, Resulting Numbers: [18, 7, 40] Generated Node #0,0: 29:[18, 7, 40] Operation: 71-31=40 Moving to Node #0,0 Current State: 29:[18, 7, 40], Operations: ['71-31=40'] Exploring Operation: 18-7=11, Resulting Numbers: [40, 11] Generated Node #0,0,0: 29:[40, 11] Operation: 18-7=11 Moving to Node #0,0,0 Current State: 29:[40, 11], Operations: ['71-31=40', '18-7=11'] Exploring Operation: 40-11=29, Resulting Numbers: [29] 29,29 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.981771
hs_5
mult_heuristic
[ 19, 61, 29, 62 ]
47
[ "19+61=80", "62-29=33", "80-33=47" ]
Current State: 47:[19, 61, 29, 62], Operations: [] Exploring Operation: 19+61=80, Resulting Numbers: [29, 62, 80] Generated Node #2: [29, 62, 80] from Operation: 19+61=80 Current State: 47:[29, 62, 80], Operations: ['19+61=80'] Exploring Operation: 62-29=33, Resulting Numbers: [80, 33] Generated Node #3: [80, 33] from Operation: 62-29=33 Current State: 47:[80, 33], Operations: ['19+61=80', '62-29=33'] Exploring Operation: 80-33=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[19, 61, 29, 62], Operations: [] Exploring Operation: 61-19=42, Resulting Numbers: [29, 62, 42] Generated Node #0,0: 47:[29, 62, 42] Operation: 61-19=42 Exploring Operation: 62-29=33, Resulting Numbers: [19, 61, 33] Generated Node #0,1: 47:[19, 61, 33] Operation: 62-29=33 Exploring Operation: 61-29=32, Resulting Numbers: [19, 62, 32] Generated Node #0,2: 47:[19, 62, 32] Operation: 61-29=32 Exploring Operation: 19+29=48, Resulting Numbers: [61, 62, 48] Generated Node #0,3: 47:[61, 62, 48] Operation: 19+29=48 Exploring Operation: 62-19=43, Resulting Numbers: [61, 29, 43] Generated Node #0,4: 47:[61, 29, 43] Operation: 62-19=43 Moving to Node #0,3 Current State: 47:[61, 62, 48], Operations: ['19+29=48'] Exploring Operation: 61+48=109, Resulting Numbers: [62, 109] Generated Node #0,3,0: 47:[62, 109] Operation: 61+48=109 Exploring Operation: 61+62=123, Resulting Numbers: [48, 123] Generated Node #0,3,1: 47:[48, 123] Operation: 61+62=123 Exploring Operation: 62-61=1, Resulting Numbers: [48, 1] Generated Node #0,3,2: 47:[48, 1] Operation: 62-61=1 Exploring Operation: 62-48=14, Resulting Numbers: [61, 14] Generated Node #0,3,3: 47:[61, 14] Operation: 62-48=14 Exploring Operation: 61-48=13, Resulting Numbers: [62, 13] Generated Node #0,3,4: 47:[62, 13] Operation: 61-48=13 Moving to Node #0,4 Current State: 47:[61, 29, 43], Operations: ['62-19=43'] Exploring Operation: 29+43=72, Resulting Numbers: [61, 72] Generated Node #0,4,0: 47:[61, 72] Operation: 29+43=72 Exploring Operation: 43-29=14, Resulting Numbers: [61, 14] Generated Node #0,4,1: 47:[61, 14] Operation: 43-29=14 Exploring Operation: 61+29=90, Resulting Numbers: [43, 90] Generated Node #0,4,2: 47:[43, 90] Operation: 61+29=90 Exploring Operation: 61-29=32, Resulting Numbers: [43, 32] Generated Node #0,4,3: 47:[43, 32] Operation: 61-29=32 Exploring Operation: 61-43=18, Resulting Numbers: [29, 18] Generated Node #0,4,4: 47:[29, 18] Operation: 61-43=18 Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 47:[43, 32], Operations: ['62-19=43', '61-29=32'] Exploring Operation: 43-32=11, Resulting Numbers: [11] 11,47 unequal: No Solution Exploring Operation: 43+32=75, Resulting Numbers: [75] 75,47 unequal: No Solution Exploring Operation: 43*32=1376, Resulting Numbers: [1376] 1376,47 unequal: No Solution No 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: 47:[61, 72], Operations: ['62-19=43', '29+43=72'] Exploring Operation: 72-61=11, Resulting Numbers: [11] 11,47 unequal: No Solution Exploring Operation: 61+72=133, Resulting Numbers: [133] 133,47 unequal: No Solution Exploring Operation: 61*72=4392, Resulting Numbers: [4392] 4392,47 unequal: No Solution No 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: 47:[61, 14], Operations: ['62-19=43', '43-29=14'] Exploring Operation: 61-14=47, Resulting Numbers: [47] 47,47 equal: Goal Reached Moving to Node #0 Current State: 47:[19, 61, 29, 62], Operations: [] Exploring Operation: 62-19=43, Resulting Numbers: [61, 29, 43] Generated Node #0,4: 47:[61, 29, 43] Operation: 62-19=43 Moving to Node #0,4 Current State: 47:[61, 29, 43], Operations: ['62-19=43'] Exploring Operation: 43-29=14, Resulting Numbers: [61, 14] Generated Node #0,4,1: 47:[61, 14] Operation: 43-29=14 Moving to Node #0,4,1 Current State: 47:[61, 14], Operations: ['62-19=43', '43-29=14'] Exploring Operation: 61-14=47, Resulting Numbers: [47] 47,47 equal: Goal Reached Exit Sub Search at level 1
0.977431
hs_5
mult_heuristic
[ 35, 51, 22, 32 ]
15
[ "35-32=3", "22*3=66", "66-51=15" ]
Current State: 15:[35, 51, 22, 32], Operations: [] Exploring Operation: 35-32=3, Resulting Numbers: [51, 22, 3] Generated Node #2: [51, 22, 3] from Operation: 35-32=3 Current State: 15:[51, 22, 3], Operations: ['35-32=3'] Exploring Operation: 22*3=66, Resulting Numbers: [51, 66] Generated Node #3: [51, 66] from Operation: 22*3=66 Current State: 15:[51, 66], Operations: ['35-32=3', '22*3=66'] Exploring Operation: 66-51=15, Resulting Numbers: [15] 15,15 equal: Goal Reached
4
Current State: 15:[35, 51, 22, 32], Operations: [] Exploring Operation: 51-35=16, Resulting Numbers: [22, 32, 16] Generated Node #0,0: 15:[22, 32, 16] Operation: 51-35=16 Exploring Operation: 51-32=19, Resulting Numbers: [35, 22, 19] Generated Node #0,1: 15:[35, 22, 19] Operation: 51-32=19 Exploring Operation: 35-32=3, Resulting Numbers: [51, 22, 3] Generated Node #0,2: 15:[51, 22, 3] Operation: 35-32=3 Moving to Node #0,0 Current State: 15:[22, 32, 16], Operations: ['51-35=16'] Exploring Operation: 32-22=10, Resulting Numbers: [16, 10] Generated Node #0,0,0: 15:[16, 10] Operation: 32-22=10 Exploring Operation: 32-16=16, Resulting Numbers: [22, 16] Generated Node #0,0,1: 15:[22, 16] Operation: 32-16=16 Exploring Operation: 32/16=2, Resulting Numbers: [22, 2] Generated Node #0,0,2: 15:[22, 2] Operation: 32/16=2 Moving to Node #0,1 Current State: 15:[35, 22, 19], Operations: ['51-32=19'] Exploring Operation: 35-22=13, Resulting Numbers: [19, 13] Generated Node #0,1,0: 15:[19, 13] Operation: 35-22=13 Exploring Operation: 35-19=16, Resulting Numbers: [22, 16] Generated Node #0,1,1: 15:[22, 16] Operation: 35-19=16 Exploring Operation: 22-19=3, Resulting Numbers: [35, 3] Generated Node #0,1,2: 15:[35, 3] Operation: 22-19=3 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 15:[19, 13], Operations: ['51-32=19', '35-22=13'] Exploring Operation: 19+13=32, Resulting Numbers: [32] 32,15 unequal: No Solution Exploring Operation: 19-13=6, Resulting Numbers: [6] 6,15 unequal: No Solution Exploring Operation: 19*13=247, Resulting Numbers: [247] 247,15 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 15:[22, 16], Operations: ['51-32=19', '35-19=16'] Exploring Operation: 22-16=6, Resulting Numbers: [6] 6,15 unequal: No Solution Exploring Operation: 22*16=352, Resulting Numbers: [352] 352,15 unequal: No Solution Exploring Operation: 22+16=38, Resulting Numbers: [38] 38,15 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 15:[35, 3], Operations: ['51-32=19', '22-19=3'] Exploring Operation: 35*3=105, Resulting Numbers: [105] 105,15 unequal: No Solution Exploring Operation: 35-3=32, Resulting Numbers: [32] 32,15 unequal: No Solution Exploring Operation: 35+3=38, Resulting Numbers: [38] 38,15 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 15:[51, 22, 3], Operations: ['35-32=3'] Exploring Operation: 51-3=48, Resulting Numbers: [22, 48] Generated Node #0,2,0: 15:[22, 48] Operation: 51-3=48 Exploring Operation: 51/3=17, Resulting Numbers: [22, 17] Generated Node #0,2,1: 15:[22, 17] Operation: 51/3=17 Exploring Operation: 51-22=29, Resulting Numbers: [3, 29] Generated Node #0,2,2: 15:[3, 29] Operation: 51-22=29 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 15:[22, 17], Operations: ['35-32=3', '51/3=17'] Exploring Operation: 22*17=374, Resulting Numbers: [374] 374,15 unequal: No Solution Exploring Operation: 22-17=5, Resulting Numbers: [5] 5,15 unequal: No Solution Exploring Operation: 22+17=39, Resulting Numbers: [39] 39,15 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 15:[3, 29], Operations: ['35-32=3', '51-22=29'] Exploring Operation: 29-3=26, Resulting Numbers: [26] 26,15 unequal: No Solution Exploring Operation: 3*29=87, Resulting Numbers: [87] 87,15 unequal: No Solution Exploring Operation: 3+29=32, Resulting Numbers: [32] 32,15 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 15:[22, 48], Operations: ['35-32=3', '51-3=48'] Exploring Operation: 22+48=70, Resulting Numbers: [70] 70,15 unequal: No Solution Exploring Operation: 22*48=1056, Resulting Numbers: [1056] 1056,15 unequal: No Solution Exploring Operation: 48-22=26, Resulting Numbers: [26] 26,15 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: 15:[16, 10], Operations: ['51-35=16', '32-22=10'] Exploring Operation: 16-10=6, Resulting Numbers: [6] 6,15 unequal: No Solution Exploring Operation: 16*10=160, Resulting Numbers: [160] 160,15 unequal: No Solution Exploring Operation: 16+10=26, Resulting Numbers: [26] 26,15 unequal: No Solution Moving to Node #0,0,1 Current State: 15:[22, 16], Operations: ['51-35=16', '32-16=16'] Exploring Operation: 22*16=352, Resulting Numbers: [352] 352,15 unequal: No Solution Exploring Operation: 22-16=6, Resulting Numbers: [6] 6,15 unequal: No Solution Exploring Operation: 22+16=38, Resulting Numbers: [38] 38,15 unequal: No Solution Moving to Node #0,0,2 Current State: 15:[22, 2], Operations: ['51-35=16', '32/16=2'] Exploring Operation: 22/2=11, Resulting Numbers: [11] 11,15 unequal: No Solution Exploring Operation: 22+2=24, Resulting Numbers: [24] 24,15 unequal: No Solution Exploring Operation: 22-2=20, Resulting Numbers: [20] 20,15 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 76, 48, 46, 33 ]
51
[ "76-48=28", "46+33=79", "79-28=51" ]
Current State: 51:[76, 48, 46, 33], Operations: [] Exploring Operation: 76-48=28, Resulting Numbers: [46, 33, 28] Generated Node #2: [46, 33, 28] from Operation: 76-48=28 Current State: 51:[46, 33, 28], Operations: ['76-48=28'] Exploring Operation: 46+33=79, Resulting Numbers: [28, 79] Generated Node #3: [28, 79] from Operation: 46+33=79 Current State: 51:[28, 79], Operations: ['76-48=28', '46+33=79'] Exploring Operation: 79-28=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[76, 48, 46, 33], Operations: [] Exploring Operation: 76-46=30, Resulting Numbers: [48, 33, 30] Generated Node #0,0: 51:[48, 33, 30] Operation: 76-46=30 Exploring Operation: 46-33=13, Resulting Numbers: [76, 48, 13] Generated Node #0,1: 51:[76, 48, 13] Operation: 46-33=13 Exploring Operation: 48-33=15, Resulting Numbers: [76, 46, 15] Generated Node #0,2: 51:[76, 46, 15] Operation: 48-33=15 Exploring Operation: 76-48=28, Resulting Numbers: [46, 33, 28] Generated Node #0,3: 51:[46, 33, 28] Operation: 76-48=28 Exploring Operation: 76-33=43, Resulting Numbers: [48, 46, 43] Generated Node #0,4: 51:[48, 46, 43] Operation: 76-33=43 Moving to Node #0,4 Current State: 51:[48, 46, 43], Operations: ['76-33=43'] Exploring Operation: 46+43=89, Resulting Numbers: [48, 89] Generated Node #0,4,0: 51:[48, 89] Operation: 46+43=89 Exploring Operation: 48-46=2, Resulting Numbers: [43, 2] Generated Node #0,4,1: 51:[43, 2] Operation: 48-46=2 Exploring Operation: 46-43=3, Resulting Numbers: [48, 3] Generated Node #0,4,2: 51:[48, 3] Operation: 46-43=3 Exploring Operation: 48-43=5, Resulting Numbers: [46, 5] Generated Node #0,4,3: 51:[46, 5] Operation: 48-43=5 Exploring Operation: 48+43=91, Resulting Numbers: [46, 91] Generated Node #0,4,4: 51:[46, 91] Operation: 48+43=91 Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 51:[48, 3], Operations: ['76-33=43', '46-43=3'] Exploring Operation: 48/3=16, Resulting Numbers: [16] 16,51 unequal: No Solution Exploring Operation: 48*3=144, Resulting Numbers: [144] 144,51 unequal: No Solution Exploring Operation: 48+3=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Moving to Node #0 Current State: 51:[76, 48, 46, 33], Operations: [] Exploring Operation: 76-33=43, Resulting Numbers: [48, 46, 43] Generated Node #0,4: 51:[48, 46, 43] Operation: 76-33=43 Moving to Node #0,4 Current State: 51:[48, 46, 43], Operations: ['76-33=43'] Exploring Operation: 46-43=3, Resulting Numbers: [48, 3] Generated Node #0,4,2: 51:[48, 3] Operation: 46-43=3 Moving to Node #0,4,2 Current State: 51:[48, 3], Operations: ['76-33=43', '46-43=3'] Exploring Operation: 48+3=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_5
mult_heuristic
[ 90, 68, 88, 41 ]
14
[ "90-88=2", "41*2=82", "82-68=14" ]
Current State: 14:[90, 68, 88, 41], Operations: [] Exploring Operation: 90-88=2, Resulting Numbers: [68, 41, 2] Generated Node #2: [68, 41, 2] from Operation: 90-88=2 Current State: 14:[68, 41, 2], Operations: ['90-88=2'] Exploring Operation: 41*2=82, Resulting Numbers: [68, 82] Generated Node #3: [68, 82] from Operation: 41*2=82 Current State: 14:[68, 82], Operations: ['90-88=2', '41*2=82'] Exploring Operation: 82-68=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
4
Current State: 14:[90, 68, 88, 41], Operations: [] Exploring Operation: 68-41=27, Resulting Numbers: [90, 88, 27] Generated Node #0,0: 14:[90, 88, 27] Operation: 68-41=27 Exploring Operation: 90-88=2, Resulting Numbers: [68, 41, 2] Generated Node #0,1: 14:[68, 41, 2] Operation: 90-88=2 Exploring Operation: 88-68=20, Resulting Numbers: [90, 41, 20] Generated Node #0,2: 14:[90, 41, 20] Operation: 88-68=20 Exploring Operation: 90-68=22, Resulting Numbers: [88, 41, 22] Generated Node #0,3: 14:[88, 41, 22] Operation: 90-68=22 Exploring Operation: 90-41=49, Resulting Numbers: [68, 88, 49] Generated Node #0,4: 14:[68, 88, 49] Operation: 90-41=49 Moving to Node #0,1 Current State: 14:[68, 41, 2], Operations: ['90-88=2'] Exploring Operation: 68/2=34, Resulting Numbers: [41, 34] Generated Node #0,1,0: 14:[41, 34] Operation: 68/2=34 Exploring Operation: 68+2=70, Resulting Numbers: [41, 70] Generated Node #0,1,1: 14:[41, 70] Operation: 68+2=70 Exploring Operation: 68-2=66, Resulting Numbers: [41, 66] Generated Node #0,1,2: 14:[41, 66] Operation: 68-2=66 Exploring Operation: 41-2=39, Resulting Numbers: [68, 39] Generated Node #0,1,3: 14:[68, 39] Operation: 41-2=39 Exploring Operation: 68-41=27, Resulting Numbers: [2, 27] Generated Node #0,1,4: 14:[2, 27] Operation: 68-41=27 Moving to Node #0,3 Current State: 14:[88, 41, 22], Operations: ['90-68=22'] Exploring Operation: 88-22=66, Resulting Numbers: [41, 66] Generated Node #0,3,0: 14:[41, 66] Operation: 88-22=66 Exploring Operation: 88+41=129, Resulting Numbers: [22, 129] Generated Node #0,3,1: 14:[22, 129] Operation: 88+41=129 Exploring Operation: 41-22=19, Resulting Numbers: [88, 19] Generated Node #0,3,2: 14:[88, 19] Operation: 41-22=19 Exploring Operation: 88/22=4, Resulting Numbers: [41, 4] Generated Node #0,3,3: 14:[41, 4] Operation: 88/22=4 Exploring Operation: 88-41=47, Resulting Numbers: [22, 47] Generated Node #0,3,4: 14:[22, 47] Operation: 88-41=47 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 14:[41, 4], Operations: ['90-68=22', '88/22=4'] Exploring Operation: 41+4=45, Resulting Numbers: [45] 45,14 unequal: No Solution Exploring Operation: 41*4=164, Resulting Numbers: [164] 164,14 unequal: No Solution Exploring Operation: 41-4=37, Resulting Numbers: [37] 37,14 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 #0,3,4 Current State: 14:[22, 47], Operations: ['90-68=22', '88-41=47'] Exploring Operation: 47-22=25, Resulting Numbers: [25] 25,14 unequal: No Solution Exploring Operation: 22+47=69, Resulting Numbers: [69] 69,14 unequal: No Solution Exploring Operation: 22*47=1034, Resulting Numbers: [1034] 1034,14 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 #0,3,0 Current State: 14:[41, 66], Operations: ['90-68=22', '88-22=66'] Exploring Operation: 66-41=25, Resulting Numbers: [25] 25,14 unequal: No Solution Exploring Operation: 41*66=2706, Resulting Numbers: [2706] 2706,14 unequal: No Solution Exploring Operation: 41+66=107, Resulting Numbers: [107] 107,14 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 #0,3,2 Current State: 14:[88, 19], Operations: ['90-68=22', '41-22=19'] Exploring Operation: 88-19=69, Resulting Numbers: [69] 69,14 unequal: No Solution Exploring Operation: 88*19=1672, Resulting Numbers: [1672] 1672,14 unequal: No Solution Exploring Operation: 88+19=107, Resulting Numbers: [107] 107,14 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 #0,3,1 Current State: 14:[22, 129], Operations: ['90-68=22', '88+41=129'] Exploring Operation: 129-22=107, Resulting Numbers: [107] 107,14 unequal: No Solution Exploring Operation: 22+129=151, Resulting Numbers: [151] 151,14 unequal: No Solution Exploring Operation: 22*129=2838, Resulting Numbers: [2838] 2838,14 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: 14:[90, 41, 20], Operations: ['88-68=20'] Exploring Operation: 90+20=110, Resulting Numbers: [41, 110] Generated Node #0,2,0: 14:[41, 110] Operation: 90+20=110 Exploring Operation: 90-41=49, Resulting Numbers: [20, 49] Generated Node #0,2,1: 14:[20, 49] Operation: 90-41=49 Exploring Operation: 90-20=70, Resulting Numbers: [41, 70] Generated Node #0,2,2: 14:[41, 70] Operation: 90-20=70 Exploring Operation: 90+41=131, Resulting Numbers: [20, 131] Generated Node #0,2,3: 14:[20, 131] Operation: 90+41=131 Exploring Operation: 41-20=21, Resulting Numbers: [90, 21] Generated Node #0,2,4: 14:[90, 21] Operation: 41-20=21 Moving to Node #0,0 Current State: 14:[90, 88, 27], Operations: ['68-41=27'] Exploring Operation: 88-27=61, Resulting Numbers: [90, 61] Generated Node #0,0,0: 14:[90, 61] Operation: 88-27=61 Exploring Operation: 90+88=178, Resulting Numbers: [27, 178] Generated Node #0,0,1: 14:[27, 178] Operation: 90+88=178 Exploring Operation: 90+27=117, Resulting Numbers: [88, 117] Generated Node #0,0,2: 14:[88, 117] Operation: 90+27=117 Exploring Operation: 90-27=63, Resulting Numbers: [88, 63] Generated Node #0,0,3: 14:[88, 63] Operation: 90-27=63 Exploring Operation: 90-88=2, Resulting Numbers: [27, 2] Generated Node #0,0,4: 14:[27, 2] Operation: 90-88=2 Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 14:[27, 2], Operations: ['68-41=27', '90-88=2'] Exploring Operation: 27-2=25, Resulting Numbers: [25] 25,14 unequal: No Solution Exploring Operation: 27+2=29, Resulting Numbers: [29] 29,14 unequal: No Solution Exploring Operation: 27*2=54, Resulting Numbers: [54] 54,14 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:[90, 61], Operations: ['68-41=27', '88-27=61'] Exploring Operation: 90-61=29, Resulting Numbers: [29] 29,14 unequal: No Solution Exploring Operation: 90*61=5490, Resulting Numbers: [5490] 5490,14 unequal: No Solution Exploring Operation: 90+61=151, Resulting Numbers: [151] 151,14 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 #0,0,3 Current State: 14:[88, 63], Operations: ['68-41=27', '90-27=63'] Exploring Operation: 88*63=5544, Resulting Numbers: [5544] 5544,14 unequal: No Solution Exploring Operation: 88+63=151, Resulting Numbers: [151] 151,14 unequal: No Solution Exploring Operation: 88-63=25, Resulting Numbers: [25] 25,14 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:[27, 178], Operations: ['68-41=27', '90+88=178'] Exploring Operation: 27+178=205, Resulting Numbers: [205] 205,14 unequal: No Solution Exploring Operation: 27*178=4806, Resulting Numbers: [4806] 4806,14 unequal: No Solution Exploring Operation: 178-27=151, Resulting Numbers: [151] 151,14 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 #0,0,2 Current State: 14:[88, 117], Operations: ['68-41=27', '90+27=117'] Exploring Operation: 117-88=29, Resulting Numbers: [29] 29,14 unequal: No Solution Exploring Operation: 88*117=10296, Resulting Numbers: [10296] 10296,14 unequal: No Solution Exploring Operation: 88+117=205, Resulting Numbers: [205] 205,14 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: 14:[68, 88, 49], Operations: ['90-41=49'] Exploring Operation: 88-49=39, Resulting Numbers: [68, 39] Generated Node #0,4,0: 14:[68, 39] Operation: 88-49=39 Exploring Operation: 68+88=156, Resulting Numbers: [49, 156] Generated Node #0,4,1: 14:[49, 156] Operation: 68+88=156 Exploring Operation: 68-49=19, Resulting Numbers: [88, 19] Generated Node #0,4,2: 14:[88, 19] Operation: 68-49=19 Exploring Operation: 88-68=20, Resulting Numbers: [49, 20] Generated Node #0,4,3: 14:[49, 20] Operation: 88-68=20 Exploring Operation: 68+49=117, Resulting Numbers: [88, 117] Generated Node #0,4,4: 14:[88, 117] Operation: 68+49=117 Moving to Node #0,1,4 Current State: 14:[2, 27], Operations: ['90-88=2', '68-41=27'] Exploring Operation: 27-2=25, Resulting Numbers: [25] 25,14 unequal: No Solution Exploring Operation: 2+27=29, Resulting Numbers: [29] 29,14 unequal: No Solution Exploring Operation: 2*27=54, Resulting Numbers: [54] 54,14 unequal: No Solution Moving to Node #0,2,1 Current State: 14:[20, 49], Operations: ['88-68=20', '90-41=49'] Exploring Operation: 20*49=980, Resulting Numbers: [980] 980,14 unequal: No Solution Exploring Operation: 20+49=69, Resulting Numbers: [69] 69,14 unequal: No Solution Exploring Operation: 49-20=29, Resulting Numbers: [29] 29,14 unequal: No Solution Moving to Node #0,4,3 Current State: 14:[49, 20], Operations: ['90-41=49', '88-68=20'] Exploring Operation: 49*20=980, Resulting Numbers: [980] 980,14 unequal: No Solution Exploring Operation: 49-20=29, Resulting Numbers: [29] 29,14 unequal: No Solution Exploring Operation: 49+20=69, Resulting Numbers: [69] 69,14 unequal: No Solution Moving to Node #0,1,0 Current State: 14:[41, 34], Operations: ['90-88=2', '68/2=34'] Exploring Operation: 41*34=1394, Resulting Numbers: [1394] 1394,14 unequal: No Solution Exploring Operation: 41-34=7, Resulting Numbers: [7] 7,14 unequal: No Solution Exploring Operation: 41+34=75, Resulting Numbers: [75] 75,14 unequal: No Solution Moving to Node #0,1,2 Current State: 14:[41, 66], Operations: ['90-88=2', '68-2=66'] Exploring Operation: 66-41=25, Resulting Numbers: [25] 25,14 unequal: No Solution Exploring Operation: 41+66=107, Resulting Numbers: [107] 107,14 unequal: No Solution Exploring Operation: 41*66=2706, Resulting Numbers: [2706] 2706,14 unequal: No Solution Moving to Node #0,4,2 Current State: 14:[88, 19], Operations: ['90-41=49', '68-49=19'] Exploring Operation: 88+19=107, Resulting Numbers: [107] 107,14 unequal: No Solution Exploring Operation: 88*19=1672, Resulting Numbers: [1672] 1672,14 unequal: No Solution Exploring Operation: 88-19=69, Resulting Numbers: [69] 69,14 unequal: No Solution Moving to Node #0,4,0 Current State: 14:[68, 39], Operations: ['90-41=49', '88-49=39'] Exploring Operation: 68+39=107, Resulting Numbers: [107] 107,14 unequal: No Solution Exploring Operation: 68*39=2652, Resulting Numbers: [2652] 2652,14 unequal: No Solution Exploring Operation: 68-39=29, Resulting Numbers: [29] 29,14 unequal: No Solution Moving to Node #0,1,3 Current State: 14:[68, 39], Operations: ['90-88=2', '41-2=39'] Exploring Operation: 68-39=29, Resulting Numbers: [29] 29,14 unequal: No Solution Exploring Operation: 68+39=107, Resulting Numbers: [107] 107,14 unequal: No Solution Exploring Operation: 68*39=2652, Resulting Numbers: [2652] 2652,14 unequal: No Solution Moving to Node #0,2,2 Current State: 14:[41, 70], Operations: ['88-68=20', '90-20=70'] Exploring Operation: 70-41=29, Resulting Numbers: [29] 29,14 unequal: No Solution Exploring Operation: 41*70=2870, Resulting Numbers: [2870] 2870,14 unequal: No Solution Exploring Operation: 41+70=111, Resulting Numbers: [111] 111,14 unequal: No Solution Moving to Node #0,1,1 Current State: 14:[41, 70], Operations: ['90-88=2', '68+2=70'] Exploring Operation: 41*70=2870, Resulting Numbers: [2870] 2870,14 unequal: No Solution Exploring Operation: 70-41=29, Resulting Numbers: [29] 29,14 unequal: No Solution Exploring Operation: 41+70=111, Resulting Numbers: [111] 111,14 unequal: No Solution Moving to Node #0,2,4 Current State: 14:[90, 21], Operations: ['88-68=20', '41-20=21'] Exploring Operation: 90*21=1890, Resulting Numbers: [1890] 1890,14 unequal: No Solution Exploring Operation: 90-21=69, Resulting Numbers: [69] 69,14 unequal: No Solution Exploring Operation: 90+21=111, Resulting Numbers: [111] 111,14 unequal: No Solution Moving to Node #0,2,3 Current State: 14:[20, 131], Operations: ['88-68=20', '90+41=131'] Exploring Operation: 131-20=111, Resulting Numbers: [111] 111,14 unequal: No Solution Exploring Operation: 20*131=2620, Resulting Numbers: [2620] 2620,14 unequal: No Solution Exploring Operation: 20+131=151, Resulting Numbers: [151] 151,14 unequal: No Solution Moving to Node #0,2,0 Current State: 14:[41, 110], Operations: ['88-68=20', '90+20=110'] Exploring Operation: 110-41=69, Resulting Numbers: [69] 69,14 unequal: No Solution Exploring Operation: 41+110=151, Resulting Numbers: [151] 151,14 unequal: No Solution Exploring Operation: 41*110=4510, Resulting Numbers: [4510] 4510,14 unequal: No Solution Moving to Node #0,4,4 Current State: 14:[88, 117], Operations: ['90-41=49', '68+49=117'] Exploring Operation: 88*117=10296, Resulting Numbers: [10296] 10296,14 unequal: No Solution Exploring Operation: 117-88=29, Resulting Numbers: [29] 29,14 unequal: No Solution Exploring Operation: 88+117=205, Resulting Numbers: [205] 205,14 unequal: No Solution Moving to Node #0,4,1 Current State: 14:[49, 156], Operations: ['90-41=49', '68+88=156'] Exploring Operation: 156-49=107, Resulting Numbers: [107] 107,14 unequal: No Solution Exploring Operation: 49+156=205, Resulting Numbers: [205] 205,14 unequal: No Solution Exploring Operation: 49*156=7644, Resulting Numbers: [7644] 7644,14 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 82, 12, 48, 2 ]
53
[ "82+48=130", "130/2=65", "65-12=53" ]
Current State: 53:[82, 12, 48, 2], Operations: [] Exploring Operation: 82+48=130, Resulting Numbers: [12, 2, 130] Generated Node #2: [12, 2, 130] from Operation: 82+48=130 Current State: 53:[12, 2, 130], Operations: ['82+48=130'] Exploring Operation: 130/2=65, Resulting Numbers: [12, 65] Generated Node #3: [12, 65] from Operation: 130/2=65 Current State: 53:[12, 65], Operations: ['82+48=130', '130/2=65'] Exploring Operation: 65-12=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[82, 12, 48, 2], Operations: [] Exploring Operation: 82/2=41, Resulting Numbers: [12, 48, 41] Generated Node #0,0: 53:[12, 48, 41] Operation: 82/2=41 Moving to Node #0,0 Current State: 53:[12, 48, 41], Operations: ['82/2=41'] Exploring Operation: 12+41=53, Resulting Numbers: [48, 53] Generated Node #0,0,0: 53:[48, 53] Operation: 12+41=53 Moving to Node #0,0,0 Current State: 53:[48, 53], Operations: ['82/2=41', '12+41=53'] Exploring Operation: 48+53=101, Resulting Numbers: [101] 101,53 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 20, 98, 11, 75 ]
33
[ "98-20=78", "78-75=3", "11*3=33" ]
Current State: 33:[20, 98, 11, 75], Operations: [] Exploring Operation: 98-20=78, Resulting Numbers: [11, 75, 78] Generated Node #2: [11, 75, 78] from Operation: 98-20=78 Current State: 33:[11, 75, 78], Operations: ['98-20=78'] Exploring Operation: 78-75=3, Resulting Numbers: [11, 3] Generated Node #3: [11, 3] from Operation: 78-75=3 Current State: 33:[11, 3], Operations: ['98-20=78', '78-75=3'] Exploring Operation: 11*3=33, Resulting Numbers: [33] 33,33 equal: Goal Reached
4
Current State: 33:[20, 98, 11, 75], Operations: [] Exploring Operation: 98-75=23, Resulting Numbers: [20, 11, 23] Generated Node #0,0: 33:[20, 11, 23] Operation: 98-75=23 Exploring Operation: 98-20=78, Resulting Numbers: [11, 75, 78] Generated Node #0,1: 33:[11, 75, 78] Operation: 98-20=78 Exploring Operation: 75-20=55, Resulting Numbers: [98, 11, 55] Generated Node #0,2: 33:[98, 11, 55] Operation: 75-20=55 Start Sub Search at level 1: Moving to Node #0,0 Current State: 33:[20, 11, 23], Operations: ['98-75=23'] Exploring Operation: 23-20=3, Resulting Numbers: [11, 3] Generated Node #0,0,0: 33:[11, 3] Operation: 23-20=3 Exploring Operation: 20+23=43, Resulting Numbers: [11, 43] Generated Node #0,0,1: 33:[11, 43] Operation: 20+23=43 Exploring Operation: 11+23=34, Resulting Numbers: [20, 34] Generated Node #0,0,2: 33:[20, 34] Operation: 11+23=34 Moving to Node #0,0,0 Current State: 33:[11, 3], Operations: ['98-75=23', '23-20=3'] Exploring Operation: 11-3=8, Resulting Numbers: [8] 8,33 unequal: No Solution Exploring Operation: 11+3=14, Resulting Numbers: [14] 14,33 unequal: No Solution Exploring Operation: 11*3=33, Resulting Numbers: [33] 33,33 equal: Goal Reached Moving to Node #0 Current State: 33:[20, 98, 11, 75], Operations: [] Exploring Operation: 98-75=23, Resulting Numbers: [20, 11, 23] Generated Node #0,0: 33:[20, 11, 23] Operation: 98-75=23 Moving to Node #0,0 Current State: 33:[20, 11, 23], Operations: ['98-75=23'] Exploring Operation: 23-20=3, Resulting Numbers: [11, 3] Generated Node #0,0,0: 33:[11, 3] Operation: 23-20=3 Moving to Node #0,0,0 Current State: 33:[11, 3], Operations: ['98-75=23', '23-20=3'] Exploring Operation: 11*3=33, Resulting Numbers: [33] 33,33 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_3
sum_heuristic
[ 92, 52, 49, 43 ]
52
[ "92+52=144", "49+43=92", "144-92=52" ]
Current State: 52:[92, 52, 49, 43], Operations: [] Exploring Operation: 92+52=144, Resulting Numbers: [49, 43, 144] Generated Node #2: [49, 43, 144] from Operation: 92+52=144 Current State: 52:[49, 43, 144], Operations: ['92+52=144'] Exploring Operation: 49+43=92, Resulting Numbers: [144, 92] Generated Node #3: [144, 92] from Operation: 49+43=92 Current State: 52:[144, 92], Operations: ['92+52=144', '49+43=92'] Exploring Operation: 144-92=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[92, 52, 49, 43], Operations: [] Exploring Operation: 52-43=9, Resulting Numbers: [92, 49, 9] Generated Node #0,0: 52:[92, 49, 9] Operation: 52-43=9 Exploring Operation: 92-43=49, Resulting Numbers: [52, 49, 49] Generated Node #0,1: 52:[52, 49, 49] Operation: 92-43=49 Exploring Operation: 92-49=43, Resulting Numbers: [52, 43, 43] Generated Node #0,2: 52:[52, 43, 43] Operation: 92-49=43 Exploring Operation: 92-52=40, Resulting Numbers: [49, 43, 40] Generated Node #0,3: 52:[49, 43, 40] Operation: 92-52=40 Exploring Operation: 49-43=6, Resulting Numbers: [92, 52, 6] Generated Node #0,4: 52:[92, 52, 6] Operation: 49-43=6 Moving to Node #0,1 Current State: 52:[52, 49, 49], Operations: ['92-43=49'] Exploring Operation: 52-49=3, Resulting Numbers: [49, 3] Generated Node #0,1,0: 52:[49, 3] Operation: 52-49=3 Exploring Operation: 49/49=1, Resulting Numbers: [52, 1] Generated Node #0,1,1: 52:[52, 1] Operation: 49/49=1 Exploring Operation: 49-49=0, Resulting Numbers: [52, 0] Generated Node #0,1,2: 52:[52, 0] Operation: 49-49=0 Exploring Operation: 49+49=98, Resulting Numbers: [52, 98] Generated Node #0,1,3: 52:[52, 98] Operation: 49+49=98 Exploring Operation: 52-49=3, Resulting Numbers: [49, 3] Generated Node #0,1,4: 52:[49, 3] Operation: 52-49=3 Moving to Node #0,2 Current State: 52:[52, 43, 43], Operations: ['92-49=43'] Exploring Operation: 43/43=1, Resulting Numbers: [52, 1] Generated Node #0,2,0: 52:[52, 1] Operation: 43/43=1 Exploring Operation: 43-43=0, Resulting Numbers: [52, 0] Generated Node #0,2,1: 52:[52, 0] Operation: 43-43=0 Exploring Operation: 52-43=9, Resulting Numbers: [43, 9] Generated Node #0,2,2: 52:[43, 9] Operation: 52-43=9 Exploring Operation: 43+43=86, Resulting Numbers: [52, 86] Generated Node #0,2,3: 52:[52, 86] Operation: 43+43=86 Exploring Operation: 52-43=9, Resulting Numbers: [43, 9] Generated Node #0,2,4: 52:[43, 9] Operation: 52-43=9 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 52:[52, 1], Operations: ['92-49=43', '43/43=1'] Exploring Operation: 52/1=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Moving to Node #0 Current State: 52:[92, 52, 49, 43], Operations: [] Exploring Operation: 92-49=43, Resulting Numbers: [52, 43, 43] Generated Node #0,2: 52:[52, 43, 43] Operation: 92-49=43 Moving to Node #0,2 Current State: 52:[52, 43, 43], Operations: ['92-49=43'] Exploring Operation: 43/43=1, Resulting Numbers: [52, 1] Generated Node #0,2,0: 52:[52, 1] Operation: 43/43=1 Moving to Node #0,2,0 Current State: 52:[52, 1], Operations: ['92-49=43', '43/43=1'] Exploring Operation: 52/1=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Exit Sub Search at level 1
0.982639
hs_5
sum_heuristic
[ 58, 29, 15, 56 ]
39
[ "58/29=2", "56-15=41", "41-2=39" ]
Current State: 39:[58, 29, 15, 56], Operations: [] Exploring Operation: 58/29=2, Resulting Numbers: [15, 56, 2] Generated Node #2: [15, 56, 2] from Operation: 58/29=2 Current State: 39:[15, 56, 2], Operations: ['58/29=2'] Exploring Operation: 56-15=41, Resulting Numbers: [2, 41] Generated Node #3: [2, 41] from Operation: 56-15=41 Current State: 39:[2, 41], Operations: ['58/29=2', '56-15=41'] Exploring Operation: 41-2=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
4
Current State: 39:[58, 29, 15, 56], Operations: [] Exploring Operation: 58/29=2, Resulting Numbers: [15, 56, 2] Generated Node #0,0: 39:[15, 56, 2] Operation: 58/29=2 Exploring Operation: 58-56=2, Resulting Numbers: [29, 15, 2] Generated Node #0,1: 39:[29, 15, 2] Operation: 58-56=2 Exploring Operation: 58-29=29, Resulting Numbers: [15, 56, 29] Generated Node #0,2: 39:[15, 56, 29] Operation: 58-29=29 Exploring Operation: 58-15=43, Resulting Numbers: [29, 56, 43] Generated Node #0,3: 39:[29, 56, 43] Operation: 58-15=43 Moving to Node #0,1 Current State: 39:[29, 15, 2], Operations: ['58-56=2'] Exploring Operation: 29+15=44, Resulting Numbers: [2, 44] Generated Node #0,1,0: 39:[2, 44] Operation: 29+15=44 Exploring Operation: 29+2=31, Resulting Numbers: [15, 31] Generated Node #0,1,1: 39:[15, 31] Operation: 29+2=31 Exploring Operation: 15-2=13, Resulting Numbers: [29, 13] Generated Node #0,1,2: 39:[29, 13] Operation: 15-2=13 Exploring Operation: 29-15=14, Resulting Numbers: [2, 14] Generated Node #0,1,3: 39:[2, 14] Operation: 29-15=14 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 39:[2, 14], Operations: ['58-56=2', '29-15=14'] Exploring Operation: 14-2=12, Resulting Numbers: [12] 12,39 unequal: No Solution Exploring Operation: 2*14=28, Resulting Numbers: [28] 28,39 unequal: No Solution Exploring Operation: 2+14=16, Resulting Numbers: [16] 16,39 unequal: No Solution Exploring Operation: 14/2=7, Resulting Numbers: [7] 7,39 unequal: No Solution No 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: 39:[2, 44], Operations: ['58-56=2', '29+15=44'] Exploring Operation: 44/2=22, Resulting Numbers: [22] 22,39 unequal: No Solution Exploring Operation: 44-2=42, Resulting Numbers: [42] 42,39 unequal: No Solution Exploring Operation: 2*44=88, Resulting Numbers: [88] 88,39 unequal: No Solution Exploring Operation: 2+44=46, Resulting Numbers: [46] 46,39 unequal: No Solution No 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: 39:[15, 31], Operations: ['58-56=2', '29+2=31'] Exploring Operation: 15+31=46, Resulting Numbers: [46] 46,39 unequal: No Solution Exploring Operation: 15*31=465, Resulting Numbers: [465] 465,39 unequal: No Solution Exploring Operation: 31-15=16, Resulting Numbers: [16] 16,39 unequal: No Solution No 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: 39:[29, 13], Operations: ['58-56=2', '15-2=13'] Exploring Operation: 29*13=377, Resulting Numbers: [377] 377,39 unequal: No Solution Exploring Operation: 29-13=16, Resulting Numbers: [16] 16,39 unequal: No Solution Exploring Operation: 29+13=42, Resulting Numbers: [42] 42,39 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: 39:[15, 56, 2], Operations: ['58/29=2'] Exploring Operation: 15-2=13, Resulting Numbers: [56, 13] Generated Node #0,0,0: 39:[56, 13] Operation: 15-2=13 Exploring Operation: 56-2=54, Resulting Numbers: [15, 54] Generated Node #0,0,1: 39:[15, 54] Operation: 56-2=54 Exploring Operation: 56-15=41, Resulting Numbers: [2, 41] Generated Node #0,0,2: 39:[2, 41] Operation: 56-15=41 Exploring Operation: 56/2=28, Resulting Numbers: [15, 28] Generated Node #0,0,3: 39:[15, 28] Operation: 56/2=28 Moving to Node #0,2 Current State: 39:[15, 56, 29], Operations: ['58-29=29'] Exploring Operation: 56-15=41, Resulting Numbers: [29, 41] Generated Node #0,2,0: 39:[29, 41] Operation: 56-15=41 Exploring Operation: 29-15=14, Resulting Numbers: [56, 14] Generated Node #0,2,1: 39:[56, 14] Operation: 29-15=14 Exploring Operation: 15+29=44, Resulting Numbers: [56, 44] Generated Node #0,2,2: 39:[56, 44] Operation: 15+29=44 Exploring Operation: 56-29=27, Resulting Numbers: [15, 27] Generated Node #0,2,3: 39:[15, 27] Operation: 56-29=27 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 39:[29, 41], Operations: ['58-29=29', '56-15=41'] Exploring Operation: 29+41=70, Resulting Numbers: [70] 70,39 unequal: No Solution Exploring Operation: 41-29=12, Resulting Numbers: [12] 12,39 unequal: No Solution Exploring Operation: 29*41=1189, Resulting Numbers: [1189] 1189,39 unequal: No Solution No 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: 39:[15, 27], Operations: ['58-29=29', '56-29=27'] Exploring Operation: 15*27=405, Resulting Numbers: [405] 405,39 unequal: No Solution Exploring Operation: 27-15=12, Resulting Numbers: [12] 12,39 unequal: No Solution Exploring Operation: 15+27=42, Resulting Numbers: [42] 42,39 unequal: No Solution No 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: 39:[56, 14], Operations: ['58-29=29', '29-15=14'] Exploring Operation: 56/14=4, Resulting Numbers: [4] 4,39 unequal: No Solution Exploring Operation: 56*14=784, Resulting Numbers: [784] 784,39 unequal: No Solution Exploring Operation: 56-14=42, Resulting Numbers: [42] 42,39 unequal: No Solution Exploring Operation: 56+14=70, Resulting Numbers: [70] 70,39 unequal: No Solution No 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: 39:[56, 44], Operations: ['58-29=29', '15+29=44'] Exploring Operation: 56-44=12, Resulting Numbers: [12] 12,39 unequal: No Solution Exploring Operation: 56+44=100, Resulting Numbers: [100] 100,39 unequal: No Solution Exploring Operation: 56*44=2464, Resulting Numbers: [2464] 2464,39 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: 39:[29, 56, 43], Operations: ['58-15=43'] Exploring Operation: 29+56=85, Resulting Numbers: [43, 85] Generated Node #0,3,0: 39:[43, 85] Operation: 29+56=85 Exploring Operation: 56-29=27, Resulting Numbers: [43, 27] Generated Node #0,3,1: 39:[43, 27] Operation: 56-29=27 Exploring Operation: 56-43=13, Resulting Numbers: [29, 13] Generated Node #0,3,2: 39:[29, 13] Operation: 56-43=13 Exploring Operation: 43-29=14, Resulting Numbers: [56, 14] Generated Node #0,3,3: 39:[56, 14] Operation: 43-29=14 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 39:[29, 13], Operations: ['58-15=43', '56-43=13'] Exploring Operation: 29+13=42, Resulting Numbers: [42] 42,39 unequal: No Solution Exploring Operation: 29-13=16, Resulting Numbers: [16] 16,39 unequal: No Solution Exploring Operation: 29*13=377, Resulting Numbers: [377] 377,39 unequal: No Solution No 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: 39:[43, 27], Operations: ['58-15=43', '56-29=27'] Exploring Operation: 43*27=1161, Resulting Numbers: [1161] 1161,39 unequal: No Solution Exploring Operation: 43+27=70, Resulting Numbers: [70] 70,39 unequal: No Solution Exploring Operation: 43-27=16, Resulting Numbers: [16] 16,39 unequal: No Solution No 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: 39:[56, 14], Operations: ['58-15=43', '43-29=14'] Exploring Operation: 56/14=4, Resulting Numbers: [4] 4,39 unequal: No Solution Exploring Operation: 56-14=42, Resulting Numbers: [42] 42,39 unequal: No Solution Exploring Operation: 56*14=784, Resulting Numbers: [784] 784,39 unequal: No Solution Exploring Operation: 56+14=70, Resulting Numbers: [70] 70,39 unequal: No Solution No 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: 39:[43, 85], Operations: ['58-15=43', '29+56=85'] Exploring Operation: 43*85=3655, Resulting Numbers: [3655] 3655,39 unequal: No Solution Exploring Operation: 43+85=128, Resulting Numbers: [128] 128,39 unequal: No Solution Exploring Operation: 85-43=42, Resulting Numbers: [42] 42,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,2 Current State: 39:[2, 41], Operations: ['58/29=2', '56-15=41'] Exploring Operation: 2+41=43, Resulting Numbers: [43] 43,39 unequal: No Solution Exploring Operation: 41-2=39, Resulting Numbers: [39] 39,39 equal: Goal Reached Moving to Node #0 Current State: 39:[58, 29, 15, 56], Operations: [] Exploring Operation: 58/29=2, Resulting Numbers: [15, 56, 2] Generated Node #0,0: 39:[15, 56, 2] Operation: 58/29=2 Moving to Node #0,0 Current State: 39:[15, 56, 2], Operations: ['58/29=2'] Exploring Operation: 56-15=41, Resulting Numbers: [2, 41] Generated Node #0,0,2: 39:[2, 41] Operation: 56-15=41 Moving to Node #0,0,2 Current State: 39:[2, 41], Operations: ['58/29=2', '56-15=41'] Exploring Operation: 41-2=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
0.942708
hs_4
mult_heuristic
[ 65, 35, 86, 20 ]
76
[ "65-35=30", "86+20=106", "106-30=76" ]
Current State: 76:[65, 35, 86, 20], Operations: [] Exploring Operation: 65-35=30, Resulting Numbers: [86, 20, 30] Generated Node #2: [86, 20, 30] from Operation: 65-35=30 Current State: 76:[86, 20, 30], Operations: ['65-35=30'] Exploring Operation: 86+20=106, Resulting Numbers: [30, 106] Generated Node #3: [30, 106] from Operation: 86+20=106 Current State: 76:[30, 106], Operations: ['65-35=30', '86+20=106'] Exploring Operation: 106-30=76, Resulting Numbers: [76] 76,76 equal: Goal Reached
4
Current State: 76:[65, 35, 86, 20], Operations: [] Exploring Operation: 86-65=21, Resulting Numbers: [35, 20, 21] Generated Node #0,0: 76:[35, 20, 21] Operation: 86-65=21 Exploring Operation: 65-35=30, Resulting Numbers: [86, 20, 30] Generated Node #0,1: 76:[86, 20, 30] Operation: 65-35=30 Start Sub Search at level 1: Moving to Node #0,0 Current State: 76:[35, 20, 21], Operations: ['86-65=21'] Exploring Operation: 35-20=15, Resulting Numbers: [21, 15] Generated Node #0,0,0: 76:[21, 15] Operation: 35-20=15 Exploring Operation: 21-20=1, Resulting Numbers: [35, 1] Generated Node #0,0,1: 76:[35, 1] Operation: 21-20=1 Moving to Node #0,0,1 Current State: 76:[35, 1], Operations: ['86-65=21', '21-20=1'] Exploring Operation: 35*1=35, Resulting Numbers: [35] 35,76 unequal: No Solution Exploring Operation: 35+1=36, Resulting Numbers: [36] 36,76 unequal: No Solution Moving to Node #0,0,0 Current State: 76:[21, 15], Operations: ['86-65=21', '35-20=15'] Exploring Operation: 21+15=36, Resulting Numbers: [36] 36,76 unequal: No Solution Exploring Operation: 21-15=6, Resulting Numbers: [6] 6,76 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 76:[86, 20, 30], Operations: ['65-35=30'] Exploring Operation: 30-20=10, Resulting Numbers: [86, 10] Generated Node #0,1,0: 76:[86, 10] Operation: 30-20=10 Exploring Operation: 86-20=66, Resulting Numbers: [30, 66] Generated Node #0,1,1: 76:[30, 66] Operation: 86-20=66 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 76:[86, 10], Operations: ['65-35=30', '30-20=10'] Exploring Operation: 86+10=96, Resulting Numbers: [96] 96,76 unequal: No Solution Exploring Operation: 86-10=76, Resulting Numbers: [76] 76,76 equal: Goal Reached Moving to Node #0 Current State: 76:[65, 35, 86, 20], Operations: [] Exploring Operation: 65-35=30, Resulting Numbers: [86, 20, 30] Generated Node #0,1: 76:[86, 20, 30] Operation: 65-35=30 Moving to Node #0,1 Current State: 76:[86, 20, 30], Operations: ['65-35=30'] Exploring Operation: 30-20=10, Resulting Numbers: [86, 10] Generated Node #0,1,0: 76:[86, 10] Operation: 30-20=10 Moving to Node #0,1,0 Current State: 76:[86, 10], Operations: ['65-35=30', '30-20=10'] Exploring Operation: 86-10=76, Resulting Numbers: [76] 76,76 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986111
hs_2
sum_heuristic
[ 74, 43, 45, 58 ]
41
[ "74-45=29", "58/29=2", "43-2=41" ]
Current State: 41:[74, 43, 45, 58], Operations: [] Exploring Operation: 74-45=29, Resulting Numbers: [43, 58, 29] Generated Node #2: [43, 58, 29] from Operation: 74-45=29 Current State: 41:[43, 58, 29], Operations: ['74-45=29'] Exploring Operation: 58/29=2, Resulting Numbers: [43, 2] Generated Node #3: [43, 2] from Operation: 58/29=2 Current State: 41:[43, 2], Operations: ['74-45=29', '58/29=2'] Exploring Operation: 43-2=41, Resulting Numbers: [41] 41,41 equal: Goal Reached
4
Current State: 41:[74, 43, 45, 58], Operations: [] Exploring Operation: 58-43=15, Resulting Numbers: [74, 45, 15] Generated Node #0,0: 41:[74, 45, 15] Operation: 58-43=15 Exploring Operation: 74-58=16, Resulting Numbers: [43, 45, 16] Generated Node #0,1: 41:[43, 45, 16] Operation: 74-58=16 Exploring Operation: 74-45=29, Resulting Numbers: [43, 58, 29] Generated Node #0,2: 41:[43, 58, 29] Operation: 74-45=29 Exploring Operation: 74-43=31, Resulting Numbers: [45, 58, 31] Generated Node #0,3: 41:[45, 58, 31] Operation: 74-43=31 Moving to Node #0,1 Current State: 41:[43, 45, 16], Operations: ['74-58=16'] Exploring Operation: 45-16=29, Resulting Numbers: [43, 29] Generated Node #0,1,0: 41:[43, 29] Operation: 45-16=29 Exploring Operation: 43-16=27, Resulting Numbers: [45, 27] Generated Node #0,1,1: 41:[45, 27] Operation: 43-16=27 Exploring Operation: 45+16=61, Resulting Numbers: [43, 61] Generated Node #0,1,2: 41:[43, 61] Operation: 45+16=61 Exploring Operation: 43+16=59, Resulting Numbers: [45, 59] Generated Node #0,1,3: 41:[45, 59] Operation: 43+16=59 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 41:[43, 29], Operations: ['74-58=16', '45-16=29'] Exploring Operation: 43+29=72, Resulting Numbers: [72] 72,41 unequal: No Solution Exploring Operation: 43-29=14, Resulting Numbers: [14] 14,41 unequal: No Solution Exploring Operation: 43*29=1247, Resulting Numbers: [1247] 1247,41 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 #0,1,1 Current State: 41:[45, 27], Operations: ['74-58=16', '43-16=27'] Exploring Operation: 45+27=72, Resulting Numbers: [72] 72,41 unequal: No Solution Exploring Operation: 45-27=18, Resulting Numbers: [18] 18,41 unequal: No Solution Exploring Operation: 45*27=1215, Resulting Numbers: [1215] 1215,41 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 #0,1,2 Current State: 41:[43, 61], Operations: ['74-58=16', '45+16=61'] Exploring Operation: 61-43=18, Resulting Numbers: [18] 18,41 unequal: No Solution Exploring Operation: 43+61=104, Resulting Numbers: [104] 104,41 unequal: No Solution Exploring Operation: 43*61=2623, Resulting Numbers: [2623] 2623,41 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 #0,1,3 Current State: 41:[45, 59], Operations: ['74-58=16', '43+16=59'] Exploring Operation: 45+59=104, Resulting Numbers: [104] 104,41 unequal: No Solution Exploring Operation: 45*59=2655, Resulting Numbers: [2655] 2655,41 unequal: No Solution Exploring Operation: 59-45=14, Resulting Numbers: [14] 14,41 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: 41:[45, 58, 31], Operations: ['74-43=31'] Exploring Operation: 45+31=76, Resulting Numbers: [58, 76] Generated Node #0,3,0: 41:[58, 76] Operation: 45+31=76 Exploring Operation: 58-31=27, Resulting Numbers: [45, 27] Generated Node #0,3,1: 41:[45, 27] Operation: 58-31=27 Exploring Operation: 58-45=13, Resulting Numbers: [31, 13] Generated Node #0,3,2: 41:[31, 13] Operation: 58-45=13 Exploring Operation: 45-31=14, Resulting Numbers: [58, 14] Generated Node #0,3,3: 41:[58, 14] Operation: 45-31=14 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 41:[45, 27], Operations: ['74-43=31', '58-31=27'] Exploring Operation: 45*27=1215, Resulting Numbers: [1215] 1215,41 unequal: No Solution Exploring Operation: 45+27=72, Resulting Numbers: [72] 72,41 unequal: No Solution Exploring Operation: 45-27=18, Resulting Numbers: [18] 18,41 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 #0,3,2 Current State: 41:[31, 13], Operations: ['74-43=31', '58-45=13'] Exploring Operation: 31*13=403, Resulting Numbers: [403] 403,41 unequal: No Solution Exploring Operation: 31-13=18, Resulting Numbers: [18] 18,41 unequal: No Solution Exploring Operation: 31+13=44, Resulting Numbers: [44] 44,41 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 #0,3,3 Current State: 41:[58, 14], Operations: ['74-43=31', '45-31=14'] Exploring Operation: 58+14=72, Resulting Numbers: [72] 72,41 unequal: No Solution Exploring Operation: 58*14=812, Resulting Numbers: [812] 812,41 unequal: No Solution Exploring Operation: 58-14=44, Resulting Numbers: [44] 44,41 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 #0,3,0 Current State: 41:[58, 76], Operations: ['74-43=31', '45+31=76'] Exploring Operation: 76-58=18, Resulting Numbers: [18] 18,41 unequal: No Solution Exploring Operation: 58*76=4408, Resulting Numbers: [4408] 4408,41 unequal: No Solution Exploring Operation: 58+76=134, Resulting Numbers: [134] 134,41 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: 41:[43, 58, 29], Operations: ['74-45=29'] Exploring Operation: 58-43=15, Resulting Numbers: [29, 15] Generated Node #0,2,0: 41:[29, 15] Operation: 58-43=15 Exploring Operation: 58/29=2, Resulting Numbers: [43, 2] Generated Node #0,2,1: 41:[43, 2] Operation: 58/29=2 Exploring Operation: 58-29=29, Resulting Numbers: [43, 29] Generated Node #0,2,2: 41:[43, 29] Operation: 58-29=29 Exploring Operation: 43-29=14, Resulting Numbers: [58, 14] Generated Node #0,2,3: 41:[58, 14] Operation: 43-29=14 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 41:[43, 29], Operations: ['74-45=29', '58-29=29'] Exploring Operation: 43*29=1247, Resulting Numbers: [1247] 1247,41 unequal: No Solution Exploring Operation: 43-29=14, Resulting Numbers: [14] 14,41 unequal: No Solution Exploring Operation: 43+29=72, Resulting Numbers: [72] 72,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 41:[29, 15], Operations: ['74-45=29', '58-43=15'] Exploring Operation: 29+15=44, Resulting Numbers: [44] 44,41 unequal: No Solution Exploring Operation: 29*15=435, Resulting Numbers: [435] 435,41 unequal: No Solution Exploring Operation: 29-15=14, Resulting Numbers: [14] 14,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 41:[43, 2], Operations: ['74-45=29', '58/29=2'] Exploring Operation: 43*2=86, Resulting Numbers: [86] 86,41 unequal: No Solution Exploring Operation: 43-2=41, Resulting Numbers: [41] 41,41 equal: Goal Reached Moving to Node #0 Current State: 41:[74, 43, 45, 58], Operations: [] Exploring Operation: 74-45=29, Resulting Numbers: [43, 58, 29] Generated Node #0,2: 41:[43, 58, 29] Operation: 74-45=29 Moving to Node #0,2 Current State: 41:[43, 58, 29], Operations: ['74-45=29'] Exploring Operation: 58/29=2, Resulting Numbers: [43, 2] Generated Node #0,2,1: 41:[43, 2] Operation: 58/29=2 Moving to Node #0,2,1 Current State: 41:[43, 2], Operations: ['74-45=29', '58/29=2'] Exploring Operation: 43-2=41, Resulting Numbers: [41] 41,41 equal: Goal Reached Exit Sub Search at level 1
0.954861
hs_4
sum_heuristic
[ 47, 29, 6, 91 ]
36
[ "47+91=138", "29*6=174", "174-138=36" ]
Current State: 36:[47, 29, 6, 91], Operations: [] Exploring Operation: 47+91=138, Resulting Numbers: [29, 6, 138] Generated Node #2: [29, 6, 138] from Operation: 47+91=138 Current State: 36:[29, 6, 138], Operations: ['47+91=138'] Exploring Operation: 29*6=174, Resulting Numbers: [138, 174] Generated Node #3: [138, 174] from Operation: 29*6=174 Current State: 36:[138, 174], Operations: ['47+91=138', '29*6=174'] Exploring Operation: 174-138=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
4
Current State: 36:[47, 29, 6, 91], Operations: [] Exploring Operation: 91-47=44, Resulting Numbers: [29, 6, 44] Generated Node #0,0: 36:[29, 6, 44] Operation: 91-47=44 Exploring Operation: 91-29=62, Resulting Numbers: [47, 6, 62] Generated Node #0,1: 36:[47, 6, 62] Operation: 91-29=62 Start Sub Search at level 1: Moving to Node #0,0 Current State: 36:[29, 6, 44], Operations: ['91-47=44'] Exploring Operation: 44-29=15, Resulting Numbers: [6, 15] Generated Node #0,0,0: 36:[6, 15] Operation: 44-29=15 Exploring Operation: 29+6=35, Resulting Numbers: [44, 35] Generated Node #0,0,1: 36:[44, 35] Operation: 29+6=35 Moving to Node #0,0,0 Current State: 36:[6, 15], Operations: ['91-47=44', '44-29=15'] Exploring Operation: 15-6=9, Resulting Numbers: [9] 9,36 unequal: No Solution Exploring Operation: 6+15=21, Resulting Numbers: [21] 21,36 unequal: No Solution Moving to Node #0,0,1 Current State: 36:[44, 35], Operations: ['91-47=44', '29+6=35'] Exploring Operation: 44-35=9, Resulting Numbers: [9] 9,36 unequal: No Solution Exploring Operation: 44+35=79, Resulting Numbers: [79] 79,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 36:[47, 6, 62], Operations: ['91-29=62'] Exploring Operation: 62-47=15, Resulting Numbers: [6, 15] Generated Node #0,1,0: 36:[6, 15] Operation: 62-47=15 Exploring Operation: 47-6=41, Resulting Numbers: [62, 41] Generated Node #0,1,1: 36:[62, 41] Operation: 47-6=41 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 36:[6, 15], Operations: ['91-29=62', '62-47=15'] Exploring Operation: 6+15=21, Resulting Numbers: [21] 21,36 unequal: No Solution Exploring Operation: 15-6=9, Resulting Numbers: [9] 9,36 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 36:[62, 41], Operations: ['91-29=62', '47-6=41'] Exploring Operation: 62-41=21, Resulting Numbers: [21] 21,36 unequal: No Solution Exploring Operation: 62+41=103, Resulting Numbers: [103] 103,36 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 66, 43, 87, 89 ]
21
[ "66-43=23", "89-87=2", "23-2=21" ]
Current State: 21:[66, 43, 87, 89], Operations: [] Exploring Operation: 66-43=23, Resulting Numbers: [87, 89, 23] Generated Node #2: [87, 89, 23] from Operation: 66-43=23 Current State: 21:[87, 89, 23], Operations: ['66-43=23'] Exploring Operation: 89-87=2, Resulting Numbers: [23, 2] Generated Node #3: [23, 2] from Operation: 89-87=2 Current State: 21:[23, 2], Operations: ['66-43=23', '89-87=2'] Exploring Operation: 23-2=21, Resulting Numbers: [21] 21,21 equal: Goal Reached
4
Current State: 21:[66, 43, 87, 89], Operations: [] Exploring Operation: 89-87=2, Resulting Numbers: [66, 43, 2] Generated Node #0,0: 21:[66, 43, 2] Operation: 89-87=2 Exploring Operation: 87-66=21, Resulting Numbers: [43, 89, 21] Generated Node #0,1: 21:[43, 89, 21] Operation: 87-66=21 Exploring Operation: 89-66=23, Resulting Numbers: [43, 87, 23] Generated Node #0,2: 21:[43, 87, 23] Operation: 89-66=23 Start Sub Search at level 1: Moving to Node #0,0 Current State: 21:[66, 43, 2], Operations: ['89-87=2'] Exploring Operation: 66-2=64, Resulting Numbers: [43, 64] Generated Node #0,0,0: 21:[43, 64] Operation: 66-2=64 Exploring Operation: 66/2=33, Resulting Numbers: [43, 33] Generated Node #0,0,1: 21:[43, 33] Operation: 66/2=33 Exploring Operation: 66-43=23, Resulting Numbers: [2, 23] Generated Node #0,0,2: 21:[2, 23] Operation: 66-43=23 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 21:[2, 23], Operations: ['89-87=2', '66-43=23'] Exploring Operation: 23-2=21, Resulting Numbers: [21] 21,21 equal: Goal Reached Moving to Node #0 Current State: 21:[66, 43, 87, 89], Operations: [] Exploring Operation: 89-87=2, Resulting Numbers: [66, 43, 2] Generated Node #0,0: 21:[66, 43, 2] Operation: 89-87=2 Moving to Node #0,0 Current State: 21:[66, 43, 2], Operations: ['89-87=2'] Exploring Operation: 66-43=23, Resulting Numbers: [2, 23] Generated Node #0,0,2: 21:[2, 23] Operation: 66-43=23 Moving to Node #0,0,2 Current State: 21:[2, 23], Operations: ['89-87=2', '66-43=23'] Exploring Operation: 23-2=21, Resulting Numbers: [21] 21,21 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.990451
hs_3
mult_heuristic
[ 26, 78, 77, 7 ]
87
[ "78/26=3", "77+7=84", "3+84=87" ]
Current State: 87:[26, 78, 77, 7], Operations: [] Exploring Operation: 78/26=3, Resulting Numbers: [77, 7, 3] Generated Node #2: [77, 7, 3] from Operation: 78/26=3 Current State: 87:[77, 7, 3], Operations: ['78/26=3'] Exploring Operation: 77+7=84, Resulting Numbers: [3, 84] Generated Node #3: [3, 84] from Operation: 77+7=84 Current State: 87:[3, 84], Operations: ['78/26=3', '77+7=84'] Exploring Operation: 3+84=87, Resulting Numbers: [87] 87,87 equal: Goal Reached
4
Current State: 87:[26, 78, 77, 7], Operations: [] Exploring Operation: 77+7=84, Resulting Numbers: [26, 78, 84] Generated Node #0,0: 87:[26, 78, 84] Operation: 77+7=84 Exploring Operation: 78-77=1, Resulting Numbers: [26, 7, 1] Generated Node #0,1: 87:[26, 7, 1] Operation: 78-77=1 Exploring Operation: 78/26=3, Resulting Numbers: [77, 7, 3] Generated Node #0,2: 87:[77, 7, 3] Operation: 78/26=3 Exploring Operation: 78+7=85, Resulting Numbers: [26, 77, 85] Generated Node #0,3: 87:[26, 77, 85] Operation: 78+7=85 Start Sub Search at level 1: Moving to Node #0,1 Current State: 87:[26, 7, 1], Operations: ['78-77=1'] Exploring Operation: 7-1=6, Resulting Numbers: [26, 6] Generated Node #0,1,0: 87:[26, 6] Operation: 7-1=6 Exploring Operation: 26+1=27, Resulting Numbers: [7, 27] Generated Node #0,1,1: 87:[7, 27] Operation: 26+1=27 Exploring Operation: 26*1=26, Resulting Numbers: [7, 26] Generated Node #0,1,2: 87:[7, 26] Operation: 26*1=26 Exploring Operation: 26+7=33, Resulting Numbers: [1, 33] Generated Node #0,1,3: 87:[1, 33] Operation: 26+7=33 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 87:[26, 6], Operations: ['78-77=1', '7-1=6'] Exploring Operation: 26+6=32, Resulting Numbers: [32] 32,87 unequal: No Solution Exploring Operation: 26*6=156, Resulting Numbers: [156] 156,87 unequal: No Solution Exploring Operation: 26-6=20, Resulting Numbers: [20] 20,87 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 87:[7, 27], Operations: ['78-77=1', '26+1=27'] Exploring Operation: 7+27=34, Resulting Numbers: [34] 34,87 unequal: No Solution Exploring Operation: 27-7=20, Resulting Numbers: [20] 20,87 unequal: No Solution Exploring Operation: 7*27=189, Resulting Numbers: [189] 189,87 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 87:[1, 33], Operations: ['78-77=1', '26+7=33'] Exploring Operation: 1*33=33, Resulting Numbers: [33] 33,87 unequal: No Solution Exploring Operation: 33/1=33, Resulting Numbers: [33] 33,87 unequal: No Solution Exploring Operation: 1+33=34, Resulting Numbers: [34] 34,87 unequal: No Solution Exploring Operation: 33-1=32, Resulting Numbers: [32] 32,87 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 87:[7, 26], Operations: ['78-77=1', '26*1=26'] Exploring Operation: 7+26=33, Resulting Numbers: [33] 33,87 unequal: No Solution Exploring Operation: 26-7=19, Resulting Numbers: [19] 19,87 unequal: No Solution Exploring Operation: 7*26=182, Resulting Numbers: [182] 182,87 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 87:[77, 7, 3], Operations: ['78/26=3'] Exploring Operation: 7-3=4, Resulting Numbers: [77, 4] Generated Node #0,2,0: 87:[77, 4] Operation: 7-3=4 Exploring Operation: 77+3=80, Resulting Numbers: [7, 80] Generated Node #0,2,1: 87:[7, 80] Operation: 77+3=80 Exploring Operation: 77+7=84, Resulting Numbers: [3, 84] Generated Node #0,2,2: 87:[3, 84] Operation: 77+7=84 Exploring Operation: 77/7=11, Resulting Numbers: [3, 11] Generated Node #0,2,3: 87:[3, 11] Operation: 77/7=11 Moving to Node #0,2,2 Current State: 87:[3, 84], Operations: ['78/26=3', '77+7=84'] Exploring Operation: 84-3=81, Resulting Numbers: [81] 81,87 unequal: No Solution Exploring Operation: 3+84=87, Resulting Numbers: [87] 87,87 equal: Goal Reached Moving to Node #0 Current State: 87:[26, 78, 77, 7], Operations: [] Exploring Operation: 78/26=3, Resulting Numbers: [77, 7, 3] Generated Node #0,2: 87:[77, 7, 3] Operation: 78/26=3 Moving to Node #0,2 Current State: 87:[77, 7, 3], Operations: ['78/26=3'] Exploring Operation: 77+7=84, Resulting Numbers: [3, 84] Generated Node #0,2,2: 87:[3, 84] Operation: 77+7=84 Moving to Node #0,2,2 Current State: 87:[3, 84], Operations: ['78/26=3', '77+7=84'] Exploring Operation: 3+84=87, Resulting Numbers: [87] 87,87 equal: Goal Reached Exit Sub Search at level 1
0.97309
hs_4
mult_heuristic
[ 42, 27, 81, 56 ]
17
[ "56-42=14", "81/27=3", "14+3=17" ]
Current State: 17:[42, 27, 81, 56], Operations: [] Exploring Operation: 56-42=14, Resulting Numbers: [27, 81, 14] Generated Node #2: [27, 81, 14] from Operation: 56-42=14 Current State: 17:[27, 81, 14], Operations: ['56-42=14'] Exploring Operation: 81/27=3, Resulting Numbers: [14, 3] Generated Node #3: [14, 3] from Operation: 81/27=3 Current State: 17:[14, 3], Operations: ['56-42=14', '81/27=3'] Exploring Operation: 14+3=17, Resulting Numbers: [17] 17,17 equal: Goal Reached
4
Current State: 17:[42, 27, 81, 56], Operations: [] Exploring Operation: 81-56=25, Resulting Numbers: [42, 27, 25] Generated Node #0,0: 17:[42, 27, 25] Operation: 81-56=25 Moving to Node #0,0 Current State: 17:[42, 27, 25], Operations: ['81-56=25'] Exploring Operation: 42-27=15, Resulting Numbers: [25, 15] Generated Node #0,0,0: 17:[25, 15] Operation: 42-27=15 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 17:[25, 15], Operations: ['81-56=25', '42-27=15'] Exploring Operation: 25-15=10, Resulting Numbers: [10] 10,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 42, 5, 40, 24 ]
20
[ "40-5=35", "24*35=840", "840/42=20" ]
Current State: 20:[42, 5, 40, 24], Operations: [] Exploring Operation: 40-5=35, Resulting Numbers: [42, 24, 35] Generated Node #2: [42, 24, 35] from Operation: 40-5=35 Current State: 20:[42, 24, 35], Operations: ['40-5=35'] Exploring Operation: 24*35=840, Resulting Numbers: [42, 840] Generated Node #3: [42, 840] from Operation: 24*35=840 Current State: 20:[42, 840], Operations: ['40-5=35', '24*35=840'] Exploring Operation: 840/42=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[42, 5, 40, 24], Operations: [] Exploring Operation: 42-40=2, Resulting Numbers: [5, 24, 2] Generated Node #0,0: 20:[5, 24, 2] Operation: 42-40=2 Moving to Node #0,0 Current State: 20:[5, 24, 2], Operations: ['42-40=2'] Exploring Operation: 24-5=19, Resulting Numbers: [2, 19] Generated Node #0,0,0: 20:[2, 19] Operation: 24-5=19 Moving to Node #0,0,0 Current State: 20:[2, 19], Operations: ['42-40=2', '24-5=19'] Exploring Operation: 2+19=21, Resulting Numbers: [21] 21,20 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 28, 17, 23, 77 ]
12
[ "28-23=5", "77-17=60", "60/5=12" ]
Current State: 12:[28, 17, 23, 77], Operations: [] Exploring Operation: 28-23=5, Resulting Numbers: [17, 77, 5] Generated Node #2: [17, 77, 5] from Operation: 28-23=5 Current State: 12:[17, 77, 5], Operations: ['28-23=5'] Exploring Operation: 77-17=60, Resulting Numbers: [5, 60] Generated Node #3: [5, 60] from Operation: 77-17=60 Current State: 12:[5, 60], Operations: ['28-23=5', '77-17=60'] Exploring Operation: 60/5=12, Resulting Numbers: [12] 12,12 equal: Goal Reached
4
Current State: 12:[28, 17, 23, 77], Operations: [] Exploring Operation: 28-17=11, Resulting Numbers: [23, 77, 11] Generated Node #0,0: 12:[23, 77, 11] Operation: 28-17=11 Exploring Operation: 77-17=60, Resulting Numbers: [28, 23, 60] Generated Node #0,1: 12:[28, 23, 60] Operation: 77-17=60 Exploring Operation: 77-23=54, Resulting Numbers: [28, 17, 54] Generated Node #0,2: 12:[28, 17, 54] Operation: 77-23=54 Exploring Operation: 28-23=5, Resulting Numbers: [17, 77, 5] Generated Node #0,3: 12:[17, 77, 5] Operation: 28-23=5 Exploring Operation: 77-28=49, Resulting Numbers: [17, 23, 49] Generated Node #0,4: 12:[17, 23, 49] Operation: 77-28=49 Moving to Node #0,4 Current State: 12:[17, 23, 49], Operations: ['77-28=49'] Exploring Operation: 49-23=26, Resulting Numbers: [17, 26] Generated Node #0,4,0: 12:[17, 26] Operation: 49-23=26 Exploring Operation: 49-17=32, Resulting Numbers: [23, 32] Generated Node #0,4,1: 12:[23, 32] Operation: 49-17=32 Exploring Operation: 17+49=66, Resulting Numbers: [23, 66] Generated Node #0,4,2: 12:[23, 66] Operation: 17+49=66 Exploring Operation: 17+23=40, Resulting Numbers: [49, 40] Generated Node #0,4,3: 12:[49, 40] Operation: 17+23=40 Exploring Operation: 23-17=6, Resulting Numbers: [49, 6] Generated Node #0,4,4: 12:[49, 6] Operation: 23-17=6 Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 12:[17, 26], Operations: ['77-28=49', '49-23=26'] Exploring Operation: 17*26=442, Resulting Numbers: [442] 442,12 unequal: No Solution Exploring Operation: 26-17=9, Resulting Numbers: [9] 9,12 unequal: No Solution Exploring Operation: 17+26=43, Resulting Numbers: [43] 43,12 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:[23, 32], Operations: ['77-28=49', '49-17=32'] Exploring Operation: 23+32=55, Resulting Numbers: [55] 55,12 unequal: No Solution Exploring Operation: 32-23=9, Resulting Numbers: [9] 9,12 unequal: No Solution Exploring Operation: 23*32=736, Resulting Numbers: [736] 736,12 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:[49, 6], Operations: ['77-28=49', '23-17=6'] Exploring Operation: 49-6=43, Resulting Numbers: [43] 43,12 unequal: No Solution Exploring Operation: 49+6=55, Resulting Numbers: [55] 55,12 unequal: No Solution Exploring Operation: 49*6=294, Resulting Numbers: [294] 294,12 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:[23, 66], Operations: ['77-28=49', '17+49=66'] Exploring Operation: 23*66=1518, Resulting Numbers: [1518] 1518,12 unequal: No Solution Exploring Operation: 23+66=89, Resulting Numbers: [89] 89,12 unequal: No Solution Exploring Operation: 66-23=43, Resulting Numbers: [43] 43,12 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 #0,4,3 Current State: 12:[49, 40], Operations: ['77-28=49', '17+23=40'] Exploring Operation: 49+40=89, Resulting Numbers: [89] 89,12 unequal: No Solution Exploring Operation: 49*40=1960, Resulting Numbers: [1960] 1960,12 unequal: No Solution Exploring Operation: 49-40=9, Resulting Numbers: [9] 9,12 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:[28, 17, 54], Operations: ['77-23=54'] Exploring Operation: 28+54=82, Resulting Numbers: [17, 82] Generated Node #0,2,0: 12:[17, 82] Operation: 28+54=82 Exploring Operation: 28+17=45, Resulting Numbers: [54, 45] Generated Node #0,2,1: 12:[54, 45] Operation: 28+17=45 Exploring Operation: 28-17=11, Resulting Numbers: [54, 11] Generated Node #0,2,2: 12:[54, 11] Operation: 28-17=11 Exploring Operation: 54-28=26, Resulting Numbers: [17, 26] Generated Node #0,2,3: 12:[17, 26] Operation: 54-28=26 Exploring Operation: 54-17=37, Resulting Numbers: [28, 37] Generated Node #0,2,4: 12:[28, 37] Operation: 54-17=37 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 12:[17, 26], Operations: ['77-23=54', '54-28=26'] Exploring Operation: 17*26=442, Resulting Numbers: [442] 442,12 unequal: No Solution Exploring Operation: 17+26=43, Resulting Numbers: [43] 43,12 unequal: No Solution Exploring Operation: 26-17=9, Resulting Numbers: [9] 9,12 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:[28, 37], Operations: ['77-23=54', '54-17=37'] Exploring Operation: 37-28=9, Resulting Numbers: [9] 9,12 unequal: No Solution Exploring Operation: 28+37=65, Resulting Numbers: [65] 65,12 unequal: No Solution Exploring Operation: 28*37=1036, Resulting Numbers: [1036] 1036,12 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 #0,2,2 Current State: 12:[54, 11], Operations: ['77-23=54', '28-17=11'] Exploring Operation: 54-11=43, Resulting Numbers: [43] 43,12 unequal: No Solution Exploring Operation: 54*11=594, Resulting Numbers: [594] 594,12 unequal: No Solution Exploring Operation: 54+11=65, Resulting Numbers: [65] 65,12 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:[17, 82], Operations: ['77-23=54', '28+54=82'] Exploring Operation: 17+82=99, Resulting Numbers: [99] 99,12 unequal: No Solution Exploring Operation: 82-17=65, Resulting Numbers: [65] 65,12 unequal: No Solution Exploring Operation: 17*82=1394, Resulting Numbers: [1394] 1394,12 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:[54, 45], Operations: ['77-23=54', '28+17=45'] Exploring Operation: 54*45=2430, Resulting Numbers: [2430] 2430,12 unequal: No Solution Exploring Operation: 54+45=99, Resulting Numbers: [99] 99,12 unequal: No Solution Exploring Operation: 54-45=9, Resulting Numbers: [9] 9,12 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:[17, 77, 5], Operations: ['28-23=5'] Exploring Operation: 17-5=12, Resulting Numbers: [77, 12] Generated Node #0,3,0: 12:[77, 12] Operation: 17-5=12 Exploring Operation: 77+5=82, Resulting Numbers: [17, 82] Generated Node #0,3,1: 12:[17, 82] Operation: 77+5=82 Exploring Operation: 77-17=60, Resulting Numbers: [5, 60] Generated Node #0,3,2: 12:[5, 60] Operation: 77-17=60 Exploring Operation: 77-5=72, Resulting Numbers: [17, 72] Generated Node #0,3,3: 12:[17, 72] Operation: 77-5=72 Exploring Operation: 17+5=22, Resulting Numbers: [77, 22] Generated Node #0,3,4: 12:[77, 22] Operation: 17+5=22 Moving to Node #0,1 Current State: 12:[28, 23, 60], Operations: ['77-17=60'] Exploring Operation: 28+23=51, Resulting Numbers: [60, 51] Generated Node #0,1,0: 12:[60, 51] Operation: 28+23=51 Exploring Operation: 28-23=5, Resulting Numbers: [60, 5] Generated Node #0,1,1: 12:[60, 5] Operation: 28-23=5 Exploring Operation: 60-28=32, Resulting Numbers: [23, 32] Generated Node #0,1,2: 12:[23, 32] Operation: 60-28=32 Exploring Operation: 28+60=88, Resulting Numbers: [23, 88] Generated Node #0,1,3: 12:[23, 88] Operation: 28+60=88 Exploring Operation: 60-23=37, Resulting Numbers: [28, 37] Generated Node #0,1,4: 12:[28, 37] Operation: 60-23=37 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 12:[23, 32], Operations: ['77-17=60', '60-28=32'] Exploring Operation: 32-23=9, Resulting Numbers: [9] 9,12 unequal: No Solution Exploring Operation: 23*32=736, Resulting Numbers: [736] 736,12 unequal: No Solution Exploring Operation: 23+32=55, Resulting Numbers: [55] 55,12 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:[28, 37], Operations: ['77-17=60', '60-23=37'] Exploring Operation: 28+37=65, Resulting Numbers: [65] 65,12 unequal: No Solution Exploring Operation: 37-28=9, Resulting Numbers: [9] 9,12 unequal: No Solution Exploring Operation: 28*37=1036, Resulting Numbers: [1036] 1036,12 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:[60, 5], Operations: ['77-17=60', '28-23=5'] Exploring Operation: 60*5=300, Resulting Numbers: [300] 300,12 unequal: No Solution Exploring Operation: 60+5=65, Resulting Numbers: [65] 65,12 unequal: No Solution Exploring Operation: 60-5=55, Resulting Numbers: [55] 55,12 unequal: No Solution Exploring Operation: 60/5=12, Resulting Numbers: [12] 12,12 equal: Goal Reached Moving to Node #0 Current State: 12:[28, 17, 23, 77], Operations: [] Exploring Operation: 77-17=60, Resulting Numbers: [28, 23, 60] Generated Node #0,1: 12:[28, 23, 60] Operation: 77-17=60 Moving to Node #0,1 Current State: 12:[28, 23, 60], Operations: ['77-17=60'] Exploring Operation: 28-23=5, Resulting Numbers: [60, 5] Generated Node #0,1,1: 12:[60, 5] Operation: 28-23=5 Moving to Node #0,1,1 Current State: 12:[60, 5], Operations: ['77-17=60', '28-23=5'] Exploring Operation: 60/5=12, Resulting Numbers: [12] 12,12 equal: Goal Reached Exit Sub Search at level 1
0.940104
hs_5
mult_heuristic
[ 51, 93, 95, 43 ]
35
[ "95-93=2", "43*2=86", "86-51=35" ]
Current State: 35:[51, 93, 95, 43], Operations: [] Exploring Operation: 95-93=2, Resulting Numbers: [51, 43, 2] Generated Node #2: [51, 43, 2] from Operation: 95-93=2 Current State: 35:[51, 43, 2], Operations: ['95-93=2'] Exploring Operation: 43*2=86, Resulting Numbers: [51, 86] Generated Node #3: [51, 86] from Operation: 43*2=86 Current State: 35:[51, 86], Operations: ['95-93=2', '43*2=86'] Exploring Operation: 86-51=35, Resulting Numbers: [35] 35,35 equal: Goal Reached
4
Current State: 35:[51, 93, 95, 43], Operations: [] Exploring Operation: 95-93=2, Resulting Numbers: [51, 43, 2] Generated Node #0,0: 35:[51, 43, 2] Operation: 95-93=2 Start Sub Search at level 1: Moving to Node #0,0 Current State: 35:[51, 43, 2], Operations: ['95-93=2'] Exploring Operation: 51-43=8, Resulting Numbers: [2, 8] Generated Node #0,0,0: 35:[2, 8] Operation: 51-43=8 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 35:[2, 8], Operations: ['95-93=2', '51-43=8'] Exploring Operation: 8-2=6, Resulting Numbers: [6] 6,35 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 95, 19, 84, 96 ]
64
[ "95-19=76", "96-84=12", "76-12=64" ]
Current State: 64:[95, 19, 84, 96], Operations: [] Exploring Operation: 95-19=76, Resulting Numbers: [84, 96, 76] Generated Node #2: [84, 96, 76] from Operation: 95-19=76 Current State: 64:[84, 96, 76], Operations: ['95-19=76'] Exploring Operation: 96-84=12, Resulting Numbers: [76, 12] Generated Node #3: [76, 12] from Operation: 96-84=12 Current State: 64:[76, 12], Operations: ['95-19=76', '96-84=12'] Exploring Operation: 76-12=64, Resulting Numbers: [64] 64,64 equal: Goal Reached
4
Current State: 64:[95, 19, 84, 96], Operations: [] Exploring Operation: 95-84=11, Resulting Numbers: [19, 96, 11] Generated Node #0,0: 64:[19, 96, 11] Operation: 95-84=11 Exploring Operation: 96-95=1, Resulting Numbers: [19, 84, 1] Generated Node #0,1: 64:[19, 84, 1] Operation: 96-95=1 Start Sub Search at level 1: Moving to Node #0,1 Current State: 64:[19, 84, 1], Operations: ['96-95=1'] Exploring Operation: 19-1=18, Resulting Numbers: [84, 18] Generated Node #0,1,0: 64:[84, 18] Operation: 19-1=18 Exploring Operation: 84-19=65, Resulting Numbers: [1, 65] Generated Node #0,1,1: 64:[1, 65] Operation: 84-19=65 Moving to Node #0,1,1 Current State: 64:[1, 65], Operations: ['96-95=1', '84-19=65'] Exploring Operation: 65-1=64, Resulting Numbers: [64] 64,64 equal: Goal Reached Moving to Node #0 Current State: 64:[95, 19, 84, 96], Operations: [] Exploring Operation: 96-95=1, Resulting Numbers: [19, 84, 1] Generated Node #0,1: 64:[19, 84, 1] Operation: 96-95=1 Moving to Node #0,1 Current State: 64:[19, 84, 1], Operations: ['96-95=1'] Exploring Operation: 84-19=65, Resulting Numbers: [1, 65] Generated Node #0,1,1: 64:[1, 65] Operation: 84-19=65 Moving to Node #0,1,1 Current State: 64:[1, 65], Operations: ['96-95=1', '84-19=65'] Exploring Operation: 65-1=64, Resulting Numbers: [64] 64,64 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
mult_heuristic
[ 76, 87, 4, 38 ]
93
[ "76/38=2", "87+4=91", "2+91=93" ]
Current State: 93:[76, 87, 4, 38], Operations: [] Exploring Operation: 76/38=2, Resulting Numbers: [87, 4, 2] Generated Node #2: [87, 4, 2] from Operation: 76/38=2 Current State: 93:[87, 4, 2], Operations: ['76/38=2'] Exploring Operation: 87+4=91, Resulting Numbers: [2, 91] Generated Node #3: [2, 91] from Operation: 87+4=91 Current State: 93:[2, 91], Operations: ['76/38=2', '87+4=91'] Exploring Operation: 2+91=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
4
Current State: 93:[76, 87, 4, 38], Operations: [] Exploring Operation: 76/38=2, Resulting Numbers: [87, 4, 2] Generated Node #0,0: 93:[87, 4, 2] Operation: 76/38=2 Moving to Node #0,0 Current State: 93:[87, 4, 2], Operations: ['76/38=2'] Exploring Operation: 87+4=91, Resulting Numbers: [2, 91] Generated Node #0,0,0: 93:[2, 91] Operation: 87+4=91 Moving to Node #0,0,0 Current State: 93:[2, 91], Operations: ['76/38=2', '87+4=91'] Exploring Operation: 2+91=93, Resulting Numbers: [93] 93,93 equal: Goal Reached Moving to Node #0 Current State: 93:[76, 87, 4, 38], Operations: [] Exploring Operation: 76/38=2, Resulting Numbers: [87, 4, 2] Generated Node #0,0: 93:[87, 4, 2] Operation: 76/38=2 Moving to Node #0,0 Current State: 93:[87, 4, 2], Operations: ['76/38=2'] Exploring Operation: 87+4=91, Resulting Numbers: [2, 91] Generated Node #0,0,0: 93:[2, 91] Operation: 87+4=91 Moving to Node #0,0,0 Current State: 93:[2, 91], Operations: ['76/38=2', '87+4=91'] Exploring Operation: 2+91=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
0.993924
hs_1
sum_heuristic
[ 13, 56, 36, 46 ]
26
[ "56+36=92", "13*92=1196", "1196/46=26" ]
Current State: 26:[13, 56, 36, 46], Operations: [] Exploring Operation: 56+36=92, Resulting Numbers: [13, 46, 92] Generated Node #2: [13, 46, 92] from Operation: 56+36=92 Current State: 26:[13, 46, 92], Operations: ['56+36=92'] Exploring Operation: 13*92=1196, Resulting Numbers: [46, 1196] Generated Node #3: [46, 1196] from Operation: 13*92=1196 Current State: 26:[46, 1196], Operations: ['56+36=92', '13*92=1196'] Exploring Operation: 1196/46=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
4
Current State: 26:[13, 56, 36, 46], Operations: [] Exploring Operation: 56-46=10, Resulting Numbers: [13, 36, 10] Generated Node #0,0: 26:[13, 36, 10] Operation: 56-46=10 Exploring Operation: 56-36=20, Resulting Numbers: [13, 46, 20] Generated Node #0,1: 26:[13, 46, 20] Operation: 56-36=20 Moving to Node #0,0 Current State: 26:[13, 36, 10], Operations: ['56-46=10'] Exploring Operation: 36-10=26, Resulting Numbers: [13, 26] Generated Node #0,0,0: 26:[13, 26] Operation: 36-10=26 Exploring Operation: 36-13=23, Resulting Numbers: [10, 23] Generated Node #0,0,1: 26:[10, 23] Operation: 36-13=23 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 26:[13, 26], Operations: ['56-46=10', '36-10=26'] Exploring Operation: 26/13=2, Resulting Numbers: [2] 2,26 unequal: No Solution Exploring Operation: 26-13=13, Resulting Numbers: [13] 13,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 26:[10, 23], Operations: ['56-46=10', '36-13=23'] Exploring Operation: 23-10=13, Resulting Numbers: [13] 13,26 unequal: No Solution Exploring Operation: 10+23=33, Resulting Numbers: [33] 33,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 26:[13, 46, 20], Operations: ['56-36=20'] Exploring Operation: 46-13=33, Resulting Numbers: [20, 33] Generated Node #0,1,0: 26:[20, 33] Operation: 46-13=33 Exploring Operation: 46-20=26, Resulting Numbers: [13, 26] Generated Node #0,1,1: 26:[13, 26] Operation: 46-20=26 Moving to Node #0,1,1 Current State: 26:[13, 26], Operations: ['56-36=20', '46-20=26'] Exploring Operation: 26-13=13, Resulting Numbers: [13] 13,26 unequal: No Solution Exploring Operation: 26/13=2, Resulting Numbers: [2] 2,26 unequal: No Solution Moving to Node #0,1,0 Current State: 26:[20, 33], Operations: ['56-36=20', '46-13=33'] Exploring Operation: 20+33=53, Resulting Numbers: [53] 53,26 unequal: No Solution Exploring Operation: 33-20=13, Resulting Numbers: [13] 13,26 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 36, 30, 99, 49 ]
56
[ "36-30=6", "99-49=50", "6+50=56" ]
Current State: 56:[36, 30, 99, 49], Operations: [] Exploring Operation: 36-30=6, Resulting Numbers: [99, 49, 6] Generated Node #2: [99, 49, 6] from Operation: 36-30=6 Current State: 56:[99, 49, 6], Operations: ['36-30=6'] Exploring Operation: 99-49=50, Resulting Numbers: [6, 50] Generated Node #3: [6, 50] from Operation: 99-49=50 Current State: 56:[6, 50], Operations: ['36-30=6', '99-49=50'] Exploring Operation: 6+50=56, Resulting Numbers: [56] 56,56 equal: Goal Reached
4
Current State: 56:[36, 30, 99, 49], Operations: [] Exploring Operation: 99-36=63, Resulting Numbers: [30, 49, 63] Generated Node #0,0: 56:[30, 49, 63] Operation: 99-36=63 Exploring Operation: 99-49=50, Resulting Numbers: [36, 30, 50] Generated Node #0,1: 56:[36, 30, 50] Operation: 99-49=50 Exploring Operation: 99-30=69, Resulting Numbers: [36, 49, 69] Generated Node #0,2: 56:[36, 49, 69] Operation: 99-30=69 Moving to Node #0,0 Current State: 56:[30, 49, 63], Operations: ['99-36=63'] Exploring Operation: 49-30=19, Resulting Numbers: [63, 19] Generated Node #0,0,0: 56:[63, 19] Operation: 49-30=19 Exploring Operation: 63-49=14, Resulting Numbers: [30, 14] Generated Node #0,0,1: 56:[30, 14] Operation: 63-49=14 Exploring Operation: 63-30=33, Resulting Numbers: [49, 33] Generated Node #0,0,2: 56:[49, 33] Operation: 63-30=33 Moving to Node #0,1 Current State: 56:[36, 30, 50], Operations: ['99-49=50'] Exploring Operation: 50-30=20, Resulting Numbers: [36, 20] Generated Node #0,1,0: 56:[36, 20] Operation: 50-30=20 Exploring Operation: 50-36=14, Resulting Numbers: [30, 14] Generated Node #0,1,1: 56:[30, 14] Operation: 50-36=14 Exploring Operation: 36-30=6, Resulting Numbers: [50, 6] Generated Node #0,1,2: 56:[50, 6] Operation: 36-30=6 Moving to Node #0,2 Current State: 56:[36, 49, 69], Operations: ['99-30=69'] Exploring Operation: 49-36=13, Resulting Numbers: [69, 13] Generated Node #0,2,0: 56:[69, 13] Operation: 49-36=13 Exploring Operation: 69-49=20, Resulting Numbers: [36, 20] Generated Node #0,2,1: 56:[36, 20] Operation: 69-49=20 Exploring Operation: 69-36=33, Resulting Numbers: [49, 33] Generated Node #0,2,2: 56:[49, 33] Operation: 69-36=33 Moving to Node #0,0,1 Current State: 56:[30, 14], Operations: ['99-36=63', '63-49=14'] Exploring Operation: 30-14=16, Resulting Numbers: [16] 16,56 unequal: No Solution Exploring Operation: 30*14=420, Resulting Numbers: [420] 420,56 unequal: No Solution Exploring Operation: 30+14=44, Resulting Numbers: [44] 44,56 unequal: No Solution Moving to Node #0,1,1 Current State: 56:[30, 14], Operations: ['99-49=50', '50-36=14'] Exploring Operation: 30+14=44, Resulting Numbers: [44] 44,56 unequal: No Solution Exploring Operation: 30*14=420, Resulting Numbers: [420] 420,56 unequal: No Solution Exploring Operation: 30-14=16, Resulting Numbers: [16] 16,56 unequal: No Solution Moving to Node #0,1,2 Current State: 56:[50, 6], Operations: ['99-49=50', '36-30=6'] Exploring Operation: 50*6=300, Resulting Numbers: [300] 300,56 unequal: No Solution Exploring Operation: 50-6=44, Resulting Numbers: [44] 44,56 unequal: No Solution Exploring Operation: 50+6=56, Resulting Numbers: [56] 56,56 equal: Goal Reached Moving to Node #0 Current State: 56:[36, 30, 99, 49], Operations: [] Exploring Operation: 99-49=50, Resulting Numbers: [36, 30, 50] Generated Node #0,1: 56:[36, 30, 50] Operation: 99-49=50 Moving to Node #0,1 Current State: 56:[36, 30, 50], Operations: ['99-49=50'] Exploring Operation: 36-30=6, Resulting Numbers: [50, 6] Generated Node #0,1,2: 56:[50, 6] Operation: 36-30=6 Moving to Node #0,1,2 Current State: 56:[50, 6], Operations: ['99-49=50', '36-30=6'] Exploring Operation: 50+6=56, Resulting Numbers: [56] 56,56 equal: Goal Reached
0.978299
hs_3
mult_heuristic
[ 72, 98, 93, 38 ]
81
[ "98-72=26", "93-38=55", "26+55=81" ]
Current State: 81:[72, 98, 93, 38], Operations: [] Exploring Operation: 98-72=26, Resulting Numbers: [93, 38, 26] Generated Node #2: [93, 38, 26] from Operation: 98-72=26 Current State: 81:[93, 38, 26], Operations: ['98-72=26'] Exploring Operation: 93-38=55, Resulting Numbers: [26, 55] Generated Node #3: [26, 55] from Operation: 93-38=55 Current State: 81:[26, 55], Operations: ['98-72=26', '93-38=55'] Exploring Operation: 26+55=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[72, 98, 93, 38], Operations: [] Exploring Operation: 98-72=26, Resulting Numbers: [93, 38, 26] Generated Node #0,0: 81:[93, 38, 26] Operation: 98-72=26 Exploring Operation: 93-72=21, Resulting Numbers: [98, 38, 21] Generated Node #0,1: 81:[98, 38, 21] Operation: 93-72=21 Exploring Operation: 98-93=5, Resulting Numbers: [72, 38, 5] Generated Node #0,2: 81:[72, 38, 5] Operation: 98-93=5 Exploring Operation: 72-38=34, Resulting Numbers: [98, 93, 34] Generated Node #0,3: 81:[98, 93, 34] Operation: 72-38=34 Moving to Node #0,2 Current State: 81:[72, 38, 5], Operations: ['98-93=5'] Exploring Operation: 72-5=67, Resulting Numbers: [38, 67] Generated Node #0,2,0: 81:[38, 67] Operation: 72-5=67 Exploring Operation: 38-5=33, Resulting Numbers: [72, 33] Generated Node #0,2,1: 81:[72, 33] Operation: 38-5=33 Exploring Operation: 72-38=34, Resulting Numbers: [5, 34] Generated Node #0,2,2: 81:[5, 34] Operation: 72-38=34 Exploring Operation: 72+5=77, Resulting Numbers: [38, 77] Generated Node #0,2,3: 81:[38, 77] Operation: 72+5=77 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 81:[5, 34], Operations: ['98-93=5', '72-38=34'] Exploring Operation: 34-5=29, Resulting Numbers: [29] 29,81 unequal: No Solution Exploring Operation: 5*34=170, Resulting Numbers: [170] 170,81 unequal: No Solution Exploring Operation: 5+34=39, Resulting Numbers: [39] 39,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 81:[72, 33], Operations: ['98-93=5', '38-5=33'] Exploring Operation: 72+33=105, Resulting Numbers: [105] 105,81 unequal: No Solution Exploring Operation: 72-33=39, Resulting Numbers: [39] 39,81 unequal: No Solution Exploring Operation: 72*33=2376, Resulting Numbers: [2376] 2376,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 81:[38, 77], Operations: ['98-93=5', '72+5=77'] Exploring Operation: 38+77=115, Resulting Numbers: [115] 115,81 unequal: No Solution Exploring Operation: 77-38=39, Resulting Numbers: [39] 39,81 unequal: No Solution Exploring Operation: 38*77=2926, Resulting Numbers: [2926] 2926,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 81:[38, 67], Operations: ['98-93=5', '72-5=67'] Exploring Operation: 38+67=105, Resulting Numbers: [105] 105,81 unequal: No Solution Exploring Operation: 38*67=2546, Resulting Numbers: [2546] 2546,81 unequal: No Solution Exploring Operation: 67-38=29, Resulting Numbers: [29] 29,81 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: 81:[93, 38, 26], Operations: ['98-72=26'] Exploring Operation: 93-38=55, Resulting Numbers: [26, 55] Generated Node #0,0,0: 81:[26, 55] Operation: 93-38=55 Exploring Operation: 38-26=12, Resulting Numbers: [93, 12] Generated Node #0,0,1: 81:[93, 12] Operation: 38-26=12 Exploring Operation: 38+26=64, Resulting Numbers: [93, 64] Generated Node #0,0,2: 81:[93, 64] Operation: 38+26=64 Exploring Operation: 93-26=67, Resulting Numbers: [38, 67] Generated Node #0,0,3: 81:[38, 67] Operation: 93-26=67 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 81:[93, 12], Operations: ['98-72=26', '38-26=12'] Exploring Operation: 93*12=1116, Resulting Numbers: [1116] 1116,81 unequal: No Solution Exploring Operation: 93-12=81, Resulting Numbers: [81] 81,81 equal: Goal Reached Moving to Node #0 Current State: 81:[72, 98, 93, 38], Operations: [] Exploring Operation: 98-72=26, Resulting Numbers: [93, 38, 26] Generated Node #0,0: 81:[93, 38, 26] Operation: 98-72=26 Moving to Node #0,0 Current State: 81:[93, 38, 26], Operations: ['98-72=26'] Exploring Operation: 38-26=12, Resulting Numbers: [93, 12] Generated Node #0,0,1: 81:[93, 12] Operation: 38-26=12 Moving to Node #0,0,1 Current State: 81:[93, 12], Operations: ['98-72=26', '38-26=12'] Exploring Operation: 93-12=81, Resulting Numbers: [81] 81,81 equal: Goal Reached Exit Sub Search at level 1
0.973958
hs_4
sum_heuristic
[ 84, 67, 43, 91 ]
26
[ "67-43=24", "91*24=2184", "2184/84=26" ]
Current State: 26:[84, 67, 43, 91], Operations: [] Exploring Operation: 67-43=24, Resulting Numbers: [84, 91, 24] Generated Node #2: [84, 91, 24] from Operation: 67-43=24 Current State: 26:[84, 91, 24], Operations: ['67-43=24'] Exploring Operation: 91*24=2184, Resulting Numbers: [84, 2184] Generated Node #3: [84, 2184] from Operation: 91*24=2184 Current State: 26:[84, 2184], Operations: ['67-43=24', '91*24=2184'] Exploring Operation: 2184/84=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
4
Current State: 26:[84, 67, 43, 91], Operations: [] Exploring Operation: 91-84=7, Resulting Numbers: [67, 43, 7] Generated Node #0,0: 26:[67, 43, 7] Operation: 91-84=7 Exploring Operation: 91-67=24, Resulting Numbers: [84, 43, 24] Generated Node #0,1: 26:[84, 43, 24] Operation: 91-67=24 Exploring Operation: 84-67=17, Resulting Numbers: [43, 91, 17] Generated Node #0,2: 26:[43, 91, 17] Operation: 84-67=17 Start Sub Search at level 1: Moving to Node #0,0 Current State: 26:[67, 43, 7], Operations: ['91-84=7'] Exploring Operation: 43-7=36, Resulting Numbers: [67, 36] Generated Node #0,0,0: 26:[67, 36] Operation: 43-7=36 Exploring Operation: 67-43=24, Resulting Numbers: [7, 24] Generated Node #0,0,1: 26:[7, 24] Operation: 67-43=24 Exploring Operation: 67-7=60, Resulting Numbers: [43, 60] Generated Node #0,0,2: 26:[43, 60] Operation: 67-7=60 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 26:[7, 24], Operations: ['91-84=7', '67-43=24'] Exploring Operation: 7+24=31, Resulting Numbers: [31] 31,26 unequal: No Solution Exploring Operation: 7*24=168, Resulting Numbers: [168] 168,26 unequal: No Solution Exploring Operation: 24-7=17, Resulting Numbers: [17] 17,26 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 26:[67, 36], Operations: ['91-84=7', '43-7=36'] Exploring Operation: 67-36=31, Resulting Numbers: [31] 31,26 unequal: No Solution Exploring Operation: 67+36=103, Resulting Numbers: [103] 103,26 unequal: No Solution Exploring Operation: 67*36=2412, Resulting Numbers: [2412] 2412,26 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 26:[43, 60], Operations: ['91-84=7', '67-7=60'] Exploring Operation: 43*60=2580, Resulting Numbers: [2580] 2580,26 unequal: No Solution Exploring Operation: 43+60=103, Resulting Numbers: [103] 103,26 unequal: No Solution Exploring Operation: 60-43=17, Resulting Numbers: [17] 17,26 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 26:[84, 43, 24], Operations: ['91-67=24'] Exploring Operation: 43-24=19, Resulting Numbers: [84, 19] Generated Node #0,1,0: 26:[84, 19] Operation: 43-24=19 Exploring Operation: 84-43=41, Resulting Numbers: [24, 41] Generated Node #0,1,1: 26:[24, 41] Operation: 84-43=41 Exploring Operation: 84-24=60, Resulting Numbers: [43, 60] Generated Node #0,1,2: 26:[43, 60] Operation: 84-24=60 Moving to Node #0,1,1 Current State: 26:[24, 41], Operations: ['91-67=24', '84-43=41'] Exploring Operation: 41-24=17, Resulting Numbers: [17] 17,26 unequal: No Solution Exploring Operation: 24*41=984, Resulting Numbers: [984] 984,26 unequal: No Solution Exploring Operation: 24+41=65, Resulting Numbers: [65] 65,26 unequal: No Solution Moving to Node #0,1,2 Current State: 26:[43, 60], Operations: ['91-67=24', '84-24=60'] Exploring Operation: 43*60=2580, Resulting Numbers: [2580] 2580,26 unequal: No Solution Exploring Operation: 60-43=17, Resulting Numbers: [17] 17,26 unequal: No Solution Exploring Operation: 43+60=103, Resulting Numbers: [103] 103,26 unequal: No Solution Moving to Node #0,1,0 Current State: 26:[84, 19], Operations: ['91-67=24', '43-24=19'] Exploring Operation: 84*19=1596, Resulting Numbers: [1596] 1596,26 unequal: No Solution Exploring Operation: 84-19=65, Resulting Numbers: [65] 65,26 unequal: No Solution Exploring Operation: 84+19=103, Resulting Numbers: [103] 103,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 26:[43, 91, 17], Operations: ['84-67=17'] Exploring Operation: 91-43=48, Resulting Numbers: [17, 48] Generated Node #0,2,0: 26:[17, 48] Operation: 91-43=48 Exploring Operation: 43-17=26, Resulting Numbers: [91, 26] Generated Node #0,2,1: 26:[91, 26] Operation: 43-17=26 Exploring Operation: 91-17=74, Resulting Numbers: [43, 74] Generated Node #0,2,2: 26:[43, 74] Operation: 91-17=74 Moving to Node #0,2,0 Current State: 26:[17, 48], Operations: ['84-67=17', '91-43=48'] Exploring Operation: 17+48=65, Resulting Numbers: [65] 65,26 unequal: No Solution Exploring Operation: 48-17=31, Resulting Numbers: [31] 31,26 unequal: No Solution Exploring Operation: 17*48=816, Resulting Numbers: [816] 816,26 unequal: No Solution Moving to Node #0,2,1 Current State: 26:[91, 26], Operations: ['84-67=17', '43-17=26'] Exploring Operation: 91+26=117, Resulting Numbers: [117] 117,26 unequal: No Solution Exploring Operation: 91-26=65, Resulting Numbers: [65] 65,26 unequal: No Solution Exploring Operation: 91*26=2366, Resulting Numbers: [2366] 2366,26 unequal: No Solution Moving to Node #0,2,2 Current State: 26:[43, 74], Operations: ['84-67=17', '91-17=74'] Exploring Operation: 74-43=31, Resulting Numbers: [31] 31,26 unequal: No Solution Exploring Operation: 43*74=3182, Resulting Numbers: [3182] 3182,26 unequal: No Solution Exploring Operation: 43+74=117, Resulting Numbers: [117] 117,26 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
[ 45, 94, 32, 56 ]
25
[ "94-45=49", "56-32=24", "49-24=25" ]
Current State: 25:[45, 94, 32, 56], Operations: [] Exploring Operation: 94-45=49, Resulting Numbers: [32, 56, 49] Generated Node #2: [32, 56, 49] from Operation: 94-45=49 Current State: 25:[32, 56, 49], Operations: ['94-45=49'] Exploring Operation: 56-32=24, Resulting Numbers: [49, 24] Generated Node #3: [49, 24] from Operation: 56-32=24 Current State: 25:[49, 24], Operations: ['94-45=49', '56-32=24'] Exploring Operation: 49-24=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[45, 94, 32, 56], Operations: [] Exploring Operation: 56-45=11, Resulting Numbers: [94, 32, 11] Generated Node #0,0: 25:[94, 32, 11] Operation: 56-45=11 Exploring Operation: 94-56=38, Resulting Numbers: [45, 32, 38] Generated Node #0,1: 25:[45, 32, 38] Operation: 94-56=38 Exploring Operation: 94-45=49, Resulting Numbers: [32, 56, 49] Generated Node #0,2: 25:[32, 56, 49] Operation: 94-45=49 Start Sub Search at level 1: Moving to Node #0,1 Current State: 25:[45, 32, 38], Operations: ['94-56=38'] Exploring Operation: 38-32=6, Resulting Numbers: [45, 6] Generated Node #0,1,0: 25:[45, 6] Operation: 38-32=6 Exploring Operation: 45-38=7, Resulting Numbers: [32, 7] Generated Node #0,1,1: 25:[32, 7] Operation: 45-38=7 Exploring Operation: 45-32=13, Resulting Numbers: [38, 13] Generated Node #0,1,2: 25:[38, 13] Operation: 45-32=13 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 25:[32, 7], Operations: ['94-56=38', '45-38=7'] Exploring Operation: 32*7=224, Resulting Numbers: [224] 224,25 unequal: No Solution Exploring Operation: 32+7=39, Resulting Numbers: [39] 39,25 unequal: No Solution Exploring Operation: 32-7=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Moving to Node #0 Current State: 25:[45, 94, 32, 56], Operations: [] Exploring Operation: 94-56=38, Resulting Numbers: [45, 32, 38] Generated Node #0,1: 25:[45, 32, 38] Operation: 94-56=38 Moving to Node #0,1 Current State: 25:[45, 32, 38], Operations: ['94-56=38'] Exploring Operation: 45-38=7, Resulting Numbers: [32, 7] Generated Node #0,1,1: 25:[32, 7] Operation: 45-38=7 Moving to Node #0,1,1 Current State: 25:[32, 7], Operations: ['94-56=38', '45-38=7'] Exploring Operation: 32-7=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.988715
hs_3
sum_heuristic
[ 61, 73, 2, 37 ]
11
[ "73-37=36", "2*36=72", "72-61=11" ]
Current State: 11:[61, 73, 2, 37], Operations: [] Exploring Operation: 73-37=36, Resulting Numbers: [61, 2, 36] Generated Node #2: [61, 2, 36] from Operation: 73-37=36 Current State: 11:[61, 2, 36], Operations: ['73-37=36'] Exploring Operation: 2*36=72, Resulting Numbers: [61, 72] Generated Node #3: [61, 72] from Operation: 2*36=72 Current State: 11:[61, 72], Operations: ['73-37=36', '2*36=72'] Exploring Operation: 72-61=11, Resulting Numbers: [11] 11,11 equal: Goal Reached
4
Current State: 11:[61, 73, 2, 37], Operations: [] Exploring Operation: 73-61=12, Resulting Numbers: [2, 37, 12] Generated Node #0,0: 11:[2, 37, 12] Operation: 73-61=12 Exploring Operation: 61-2=59, Resulting Numbers: [73, 37, 59] Generated Node #0,1: 11:[73, 37, 59] Operation: 61-2=59 Exploring Operation: 73-37=36, Resulting Numbers: [61, 2, 36] Generated Node #0,2: 11:[61, 2, 36] Operation: 73-37=36 Exploring Operation: 61-37=24, Resulting Numbers: [73, 2, 24] Generated Node #0,3: 11:[73, 2, 24] Operation: 61-37=24 Moving to Node #0,0 Current State: 11:[2, 37, 12], Operations: ['73-61=12'] Exploring Operation: 2+37=39, Resulting Numbers: [12, 39] Generated Node #0,0,0: 11:[12, 39] Operation: 2+37=39 Exploring Operation: 37-2=35, Resulting Numbers: [12, 35] Generated Node #0,0,1: 11:[12, 35] Operation: 37-2=35 Exploring Operation: 37-12=25, Resulting Numbers: [2, 25] Generated Node #0,0,2: 11:[2, 25] Operation: 37-12=25 Exploring Operation: 12-2=10, Resulting Numbers: [37, 10] Generated Node #0,0,3: 11:[37, 10] Operation: 12-2=10 Moving to Node #0,3 Current State: 11:[73, 2, 24], Operations: ['61-37=24'] Exploring Operation: 73-2=71, Resulting Numbers: [24, 71] Generated Node #0,3,0: 11:[24, 71] Operation: 73-2=71 Exploring Operation: 24/2=12, Resulting Numbers: [73, 12] Generated Node #0,3,1: 11:[73, 12] Operation: 24/2=12 Exploring Operation: 73-24=49, Resulting Numbers: [2, 49] Generated Node #0,3,2: 11:[2, 49] Operation: 73-24=49 Exploring Operation: 24-2=22, Resulting Numbers: [73, 22] Generated Node #0,3,3: 11:[73, 22] Operation: 24-2=22 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 11:[2, 49], Operations: ['61-37=24', '73-24=49'] Exploring Operation: 2*49=98, Resulting Numbers: [98] 98,11 unequal: No Solution Exploring Operation: 2+49=51, Resulting Numbers: [51] 51,11 unequal: No Solution Exploring Operation: 49-2=47, Resulting Numbers: [47] 47,11 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 11:[73, 12], Operations: ['61-37=24', '24/2=12'] Exploring Operation: 73-12=61, Resulting Numbers: [61] 61,11 unequal: No Solution Exploring Operation: 73*12=876, Resulting Numbers: [876] 876,11 unequal: No Solution Exploring Operation: 73+12=85, Resulting Numbers: [85] 85,11 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 11:[24, 71], Operations: ['61-37=24', '73-2=71'] Exploring Operation: 24+71=95, Resulting Numbers: [95] 95,11 unequal: No Solution Exploring Operation: 71-24=47, Resulting Numbers: [47] 47,11 unequal: No Solution Exploring Operation: 24*71=1704, Resulting Numbers: [1704] 1704,11 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 11:[73, 22], Operations: ['61-37=24', '24-2=22'] Exploring Operation: 73+22=95, Resulting Numbers: [95] 95,11 unequal: No Solution Exploring Operation: 73-22=51, Resulting Numbers: [51] 51,11 unequal: No Solution Exploring Operation: 73*22=1606, Resulting Numbers: [1606] 1606,11 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 11:[61, 2, 36], Operations: ['73-37=36'] Exploring Operation: 36-2=34, Resulting Numbers: [61, 34] Generated Node #0,2,0: 11:[61, 34] Operation: 36-2=34 Exploring Operation: 61-36=25, Resulting Numbers: [2, 25] Generated Node #0,2,1: 11:[2, 25] Operation: 61-36=25 Exploring Operation: 36/2=18, Resulting Numbers: [61, 18] Generated Node #0,2,2: 11:[61, 18] Operation: 36/2=18 Exploring Operation: 61-2=59, Resulting Numbers: [36, 59] Generated Node #0,2,3: 11:[36, 59] Operation: 61-2=59 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 11:[2, 25], Operations: ['73-37=36', '61-36=25'] Exploring Operation: 25-2=23, Resulting Numbers: [23] 23,11 unequal: No Solution Exploring Operation: 2*25=50, Resulting Numbers: [50] 50,11 unequal: No Solution Exploring Operation: 2+25=27, Resulting Numbers: [27] 27,11 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 11:[61, 18], Operations: ['73-37=36', '36/2=18'] Exploring Operation: 61*18=1098, Resulting Numbers: [1098] 1098,11 unequal: No Solution Exploring Operation: 61+18=79, Resulting Numbers: [79] 79,11 unequal: No Solution Exploring Operation: 61-18=43, Resulting Numbers: [43] 43,11 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 11:[61, 34], Operations: ['73-37=36', '36-2=34'] Exploring Operation: 61-34=27, Resulting Numbers: [27] 27,11 unequal: No Solution Exploring Operation: 61+34=95, Resulting Numbers: [95] 95,11 unequal: No Solution Exploring Operation: 61*34=2074, Resulting Numbers: [2074] 2074,11 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 11:[36, 59], Operations: ['73-37=36', '61-2=59'] Exploring Operation: 36+59=95, Resulting Numbers: [95] 95,11 unequal: No Solution Exploring Operation: 36*59=2124, Resulting Numbers: [2124] 2124,11 unequal: No Solution Exploring Operation: 59-36=23, Resulting Numbers: [23] 23,11 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 11:[73, 37, 59], Operations: ['61-2=59'] Exploring Operation: 73-37=36, Resulting Numbers: [59, 36] Generated Node #0,1,0: 11:[59, 36] Operation: 73-37=36 Exploring Operation: 73-59=14, Resulting Numbers: [37, 14] Generated Node #0,1,1: 11:[37, 14] Operation: 73-59=14 Exploring Operation: 73+37=110, Resulting Numbers: [59, 110] Generated Node #0,1,2: 11:[59, 110] Operation: 73+37=110 Exploring Operation: 59-37=22, Resulting Numbers: [73, 22] Generated Node #0,1,3: 11:[73, 22] Operation: 59-37=22 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 11:[37, 14], Operations: ['61-2=59', '73-59=14'] Exploring Operation: 37-14=23, Resulting Numbers: [23] 23,11 unequal: No Solution Exploring Operation: 37+14=51, Resulting Numbers: [51] 51,11 unequal: No Solution Exploring Operation: 37*14=518, Resulting Numbers: [518] 518,11 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 11:[59, 36], Operations: ['61-2=59', '73-37=36'] Exploring Operation: 59*36=2124, Resulting Numbers: [2124] 2124,11 unequal: No Solution Exploring Operation: 59+36=95, Resulting Numbers: [95] 95,11 unequal: No Solution Exploring Operation: 59-36=23, Resulting Numbers: [23] 23,11 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 11:[73, 22], Operations: ['61-2=59', '59-37=22'] Exploring Operation: 73-22=51, Resulting Numbers: [51] 51,11 unequal: No Solution Exploring Operation: 73+22=95, Resulting Numbers: [95] 95,11 unequal: No Solution Exploring Operation: 73*22=1606, Resulting Numbers: [1606] 1606,11 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 11:[59, 110], Operations: ['61-2=59', '73+37=110'] Exploring Operation: 59+110=169, Resulting Numbers: [169] 169,11 unequal: No Solution Exploring Operation: 59*110=6490, Resulting Numbers: [6490] 6490,11 unequal: No Solution Exploring Operation: 110-59=51, Resulting Numbers: [51] 51,11 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,2 Current State: 11:[2, 25], Operations: ['73-61=12', '37-12=25'] Exploring Operation: 25-2=23, Resulting Numbers: [23] 23,11 unequal: No Solution Exploring Operation: 2*25=50, Resulting Numbers: [50] 50,11 unequal: No Solution Exploring Operation: 2+25=27, Resulting Numbers: [27] 27,11 unequal: No Solution Moving to Node #0,0,1 Current State: 11:[12, 35], Operations: ['73-61=12', '37-2=35'] Exploring Operation: 12*35=420, Resulting Numbers: [420] 420,11 unequal: No Solution Exploring Operation: 12+35=47, Resulting Numbers: [47] 47,11 unequal: No Solution Exploring Operation: 35-12=23, Resulting Numbers: [23] 23,11 unequal: No Solution Moving to Node #0,0,3 Current State: 11:[37, 10], Operations: ['73-61=12', '12-2=10'] Exploring Operation: 37*10=370, Resulting Numbers: [370] 370,11 unequal: No Solution Exploring Operation: 37+10=47, Resulting Numbers: [47] 47,11 unequal: No Solution Exploring Operation: 37-10=27, Resulting Numbers: [27] 27,11 unequal: No Solution Moving to Node #0,0,0 Current State: 11:[12, 39], Operations: ['73-61=12', '2+37=39'] Exploring Operation: 12+39=51, Resulting Numbers: [51] 51,11 unequal: No Solution Exploring Operation: 12*39=468, Resulting Numbers: [468] 468,11 unequal: No Solution Exploring Operation: 39-12=27, Resulting Numbers: [27] 27,11 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 46, 98, 66, 84 ]
96
[ "46+66=112", "84*112=9408", "9408/98=96" ]
Current State: 96:[46, 98, 66, 84], Operations: [] Exploring Operation: 46+66=112, Resulting Numbers: [98, 84, 112] Generated Node #2: [98, 84, 112] from Operation: 46+66=112 Current State: 96:[98, 84, 112], Operations: ['46+66=112'] Exploring Operation: 84*112=9408, Resulting Numbers: [98, 9408] Generated Node #3: [98, 9408] from Operation: 84*112=9408 Current State: 96:[98, 9408], Operations: ['46+66=112', '84*112=9408'] Exploring Operation: 9408/98=96, Resulting Numbers: [96] 96,96 equal: Goal Reached
4
Current State: 96:[46, 98, 66, 84], Operations: [] Exploring Operation: 98-84=14, Resulting Numbers: [46, 66, 14] Generated Node #0,0: 96:[46, 66, 14] Operation: 98-84=14 Exploring Operation: 98-66=32, Resulting Numbers: [46, 84, 32] Generated Node #0,1: 96:[46, 84, 32] Operation: 98-66=32 Exploring Operation: 66-46=20, Resulting Numbers: [98, 84, 20] Generated Node #0,2: 96:[98, 84, 20] Operation: 66-46=20 Exploring Operation: 84-66=18, Resulting Numbers: [46, 98, 18] Generated Node #0,3: 96:[46, 98, 18] Operation: 84-66=18 Start Sub Search at level 1: Moving to Node #0,3 Current State: 96:[46, 98, 18], Operations: ['84-66=18'] Exploring Operation: 98-46=52, Resulting Numbers: [18, 52] Generated Node #0,3,0: 96:[18, 52] Operation: 98-46=52 Exploring Operation: 98-18=80, Resulting Numbers: [46, 80] Generated Node #0,3,1: 96:[46, 80] Operation: 98-18=80 Exploring Operation: 46-18=28, Resulting Numbers: [98, 28] Generated Node #0,3,2: 96:[98, 28] Operation: 46-18=28 Exploring Operation: 46+18=64, Resulting Numbers: [98, 64] Generated Node #0,3,3: 96:[98, 64] Operation: 46+18=64 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 96:[18, 52], Operations: ['84-66=18', '98-46=52'] Exploring Operation: 18+52=70, Resulting Numbers: [70] 70,96 unequal: No Solution Exploring Operation: 18*52=936, Resulting Numbers: [936] 936,96 unequal: No Solution Exploring Operation: 52-18=34, Resulting Numbers: [34] 34,96 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 #0,3,2 Current State: 96:[98, 28], Operations: ['84-66=18', '46-18=28'] Exploring Operation: 98-28=70, Resulting Numbers: [70] 70,96 unequal: No Solution Exploring Operation: 98*28=2744, Resulting Numbers: [2744] 2744,96 unequal: No Solution Exploring Operation: 98+28=126, Resulting Numbers: [126] 126,96 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 #0,3,1 Current State: 96:[46, 80], Operations: ['84-66=18', '98-18=80'] Exploring Operation: 80-46=34, Resulting Numbers: [34] 34,96 unequal: No Solution Exploring Operation: 46*80=3680, Resulting Numbers: [3680] 3680,96 unequal: No Solution Exploring Operation: 46+80=126, Resulting Numbers: [126] 126,96 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 #0,3,3 Current State: 96:[98, 64], Operations: ['84-66=18', '46+18=64'] Exploring Operation: 98+64=162, Resulting Numbers: [162] 162,96 unequal: No Solution Exploring Operation: 98-64=34, Resulting Numbers: [34] 34,96 unequal: No Solution Exploring Operation: 98*64=6272, Resulting Numbers: [6272] 6272,96 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 #0,1 Current State: 96:[46, 84, 32], Operations: ['98-66=32'] Exploring Operation: 84-46=38, Resulting Numbers: [32, 38] Generated Node #0,1,0: 96:[32, 38] Operation: 84-46=38 Exploring Operation: 84-32=52, Resulting Numbers: [46, 52] Generated Node #0,1,1: 96:[46, 52] Operation: 84-32=52 Exploring Operation: 46-32=14, Resulting Numbers: [84, 14] Generated Node #0,1,2: 96:[84, 14] Operation: 46-32=14 Exploring Operation: 84+32=116, Resulting Numbers: [46, 116] Generated Node #0,1,3: 96:[46, 116] Operation: 84+32=116 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 96:[32, 38], Operations: ['98-66=32', '84-46=38'] Exploring Operation: 32*38=1216, Resulting Numbers: [1216] 1216,96 unequal: No Solution Exploring Operation: 38-32=6, Resulting Numbers: [6] 6,96 unequal: No Solution Exploring Operation: 32+38=70, Resulting Numbers: [70] 70,96 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 #0,1,1 Current State: 96:[46, 52], Operations: ['98-66=32', '84-32=52'] Exploring Operation: 46*52=2392, Resulting Numbers: [2392] 2392,96 unequal: No Solution Exploring Operation: 46+52=98, Resulting Numbers: [98] 98,96 unequal: No Solution Exploring Operation: 52-46=6, Resulting Numbers: [6] 6,96 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 #0,1,2 Current State: 96:[84, 14], Operations: ['98-66=32', '46-32=14'] Exploring Operation: 84*14=1176, Resulting Numbers: [1176] 1176,96 unequal: No Solution Exploring Operation: 84-14=70, Resulting Numbers: [70] 70,96 unequal: No Solution Exploring Operation: 84/14=6, Resulting Numbers: [6] 6,96 unequal: No Solution Exploring Operation: 84+14=98, Resulting Numbers: [98] 98,96 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 #0,1,3 Current State: 96:[46, 116], Operations: ['98-66=32', '84+32=116'] Exploring Operation: 46+116=162, Resulting Numbers: [162] 162,96 unequal: No Solution Exploring Operation: 116-46=70, Resulting Numbers: [70] 70,96 unequal: No Solution Exploring Operation: 46*116=5336, Resulting Numbers: [5336] 5336,96 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 #0,2 Current State: 96:[98, 84, 20], Operations: ['66-46=20'] Exploring Operation: 84-20=64, Resulting Numbers: [98, 64] Generated Node #0,2,0: 96:[98, 64] Operation: 84-20=64 Exploring Operation: 84+20=104, Resulting Numbers: [98, 104] Generated Node #0,2,1: 96:[98, 104] Operation: 84+20=104 Exploring Operation: 98-20=78, Resulting Numbers: [84, 78] Generated Node #0,2,2: 96:[84, 78] Operation: 98-20=78 Exploring Operation: 98-84=14, Resulting Numbers: [20, 14] Generated Node #0,2,3: 96:[20, 14] Operation: 98-84=14 Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 96:[20, 14], Operations: ['66-46=20', '98-84=14'] Exploring Operation: 20+14=34, Resulting Numbers: [34] 34,96 unequal: No Solution Exploring Operation: 20*14=280, Resulting Numbers: [280] 280,96 unequal: No Solution Exploring Operation: 20-14=6, Resulting Numbers: [6] 6,96 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 #0,2,1 Current State: 96:[98, 104], Operations: ['66-46=20', '84+20=104'] Exploring Operation: 98*104=10192, Resulting Numbers: [10192] 10192,96 unequal: No Solution Exploring Operation: 104-98=6, Resulting Numbers: [6] 6,96 unequal: No Solution Exploring Operation: 98+104=202, Resulting Numbers: [202] 202,96 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 #0,2,0 Current State: 96:[98, 64], Operations: ['66-46=20', '84-20=64'] Exploring Operation: 98*64=6272, Resulting Numbers: [6272] 6272,96 unequal: No Solution Exploring Operation: 98-64=34, Resulting Numbers: [34] 34,96 unequal: No Solution Exploring Operation: 98+64=162, Resulting Numbers: [162] 162,96 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 #0,2,2 Current State: 96:[84, 78], Operations: ['66-46=20', '98-20=78'] Exploring Operation: 84*78=6552, Resulting Numbers: [6552] 6552,96 unequal: No Solution Exploring Operation: 84-78=6, Resulting Numbers: [6] 6,96 unequal: No Solution Exploring Operation: 84+78=162, Resulting Numbers: [162] 162,96 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:[46, 66, 14], Operations: ['98-84=14'] Exploring Operation: 46-14=32, Resulting Numbers: [66, 32] Generated Node #0,0,0: 96:[66, 32] Operation: 46-14=32 Exploring Operation: 66-46=20, Resulting Numbers: [14, 20] Generated Node #0,0,1: 96:[14, 20] Operation: 66-46=20 Exploring Operation: 66-14=52, Resulting Numbers: [46, 52] Generated Node #0,0,2: 96:[46, 52] Operation: 66-14=52 Exploring Operation: 46+66=112, Resulting Numbers: [14, 112] Generated Node #0,0,3: 96:[14, 112] Operation: 46+66=112 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 96:[14, 20], Operations: ['98-84=14', '66-46=20'] Exploring Operation: 14*20=280, Resulting Numbers: [280] 280,96 unequal: No Solution Exploring Operation: 14+20=34, Resulting Numbers: [34] 34,96 unequal: No Solution Exploring Operation: 20-14=6, Resulting Numbers: [6] 6,96 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 #0,0,2 Current State: 96:[46, 52], Operations: ['98-84=14', '66-14=52'] Exploring Operation: 46+52=98, Resulting Numbers: [98] 98,96 unequal: No Solution Exploring Operation: 46*52=2392, Resulting Numbers: [2392] 2392,96 unequal: No Solution Exploring Operation: 52-46=6, Resulting Numbers: [6] 6,96 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 #0,0,0 Current State: 96:[66, 32], Operations: ['98-84=14', '46-14=32'] Exploring Operation: 66*32=2112, Resulting Numbers: [2112] 2112,96 unequal: No Solution Exploring Operation: 66+32=98, Resulting Numbers: [98] 98,96 unequal: No Solution Exploring Operation: 66-32=34, Resulting Numbers: [34] 34,96 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 #0,0,3 Current State: 96:[14, 112], Operations: ['98-84=14', '46+66=112'] Exploring Operation: 112/14=8, Resulting Numbers: [8] 8,96 unequal: No Solution Exploring Operation: 14*112=1568, Resulting Numbers: [1568] 1568,96 unequal: No Solution Exploring Operation: 14+112=126, Resulting Numbers: [126] 126,96 unequal: No Solution Exploring Operation: 112-14=98, Resulting Numbers: [98] 98,96 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_4
mult_heuristic
[ 1, 47, 5, 71 ]
28
[ "1+47=48", "5+71=76", "76-48=28" ]
Current State: 28:[1, 47, 5, 71], Operations: [] Exploring Operation: 1+47=48, Resulting Numbers: [5, 71, 48] Generated Node #2: [5, 71, 48] from Operation: 1+47=48 Current State: 28:[5, 71, 48], Operations: ['1+47=48'] Exploring Operation: 5+71=76, Resulting Numbers: [48, 76] Generated Node #3: [48, 76] from Operation: 5+71=76 Current State: 28:[48, 76], Operations: ['1+47=48', '5+71=76'] Exploring Operation: 76-48=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
4
Current State: 28:[1, 47, 5, 71], Operations: [] Exploring Operation: 47-5=42, Resulting Numbers: [1, 71, 42] Generated Node #0,0: 28:[1, 71, 42] Operation: 47-5=42 Exploring Operation: 71-47=24, Resulting Numbers: [1, 5, 24] Generated Node #0,1: 28:[1, 5, 24] Operation: 71-47=24 Moving to Node #0,1 Current State: 28:[1, 5, 24], Operations: ['71-47=24'] Exploring Operation: 5-1=4, Resulting Numbers: [24, 4] Generated Node #0,1,0: 28:[24, 4] Operation: 5-1=4 Exploring Operation: 5+24=29, Resulting Numbers: [1, 29] Generated Node #0,1,1: 28:[1, 29] Operation: 5+24=29 Moving to Node #0,0 Current State: 28:[1, 71, 42], Operations: ['47-5=42'] Exploring Operation: 71-1=70, Resulting Numbers: [42, 70] Generated Node #0,0,0: 28:[42, 70] Operation: 71-1=70 Exploring Operation: 71-42=29, Resulting Numbers: [1, 29] Generated Node #0,0,1: 28:[1, 29] Operation: 71-42=29 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 28:[1, 29], Operations: ['47-5=42', '71-42=29'] Exploring Operation: 29-1=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Moving to Node #0 Current State: 28:[1, 47, 5, 71], Operations: [] Exploring Operation: 47-5=42, Resulting Numbers: [1, 71, 42] Generated Node #0,0: 28:[1, 71, 42] Operation: 47-5=42 Moving to Node #0,0 Current State: 28:[1, 71, 42], Operations: ['47-5=42'] Exploring Operation: 71-42=29, Resulting Numbers: [1, 29] Generated Node #0,0,1: 28:[1, 29] Operation: 71-42=29 Moving to Node #0,0,1 Current State: 28:[1, 29], Operations: ['47-5=42', '71-42=29'] Exploring Operation: 29-1=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_2
mult_heuristic
[ 44, 32, 37, 26 ]
40
[ "44*26=1144", "32*37=1184", "1184-1144=40" ]
Current State: 40:[44, 32, 37, 26], Operations: [] Exploring Operation: 44*26=1144, Resulting Numbers: [32, 37, 1144] Generated Node #2: [32, 37, 1144] from Operation: 44*26=1144 Current State: 40:[32, 37, 1144], Operations: ['44*26=1144'] Exploring Operation: 32*37=1184, Resulting Numbers: [1144, 1184] Generated Node #3: [1144, 1184] from Operation: 32*37=1184 Current State: 40:[1144, 1184], Operations: ['44*26=1144', '32*37=1184'] Exploring Operation: 1184-1144=40, Resulting Numbers: [40] 40,40 equal: Goal Reached
4
Current State: 40:[44, 32, 37, 26], Operations: [] Exploring Operation: 37-26=11, Resulting Numbers: [44, 32, 11] Generated Node #0,0: 40:[44, 32, 11] Operation: 37-26=11 Exploring Operation: 32-26=6, Resulting Numbers: [44, 37, 6] Generated Node #0,1: 40:[44, 37, 6] Operation: 32-26=6 Exploring Operation: 37-32=5, Resulting Numbers: [44, 26, 5] Generated Node #0,2: 40:[44, 26, 5] Operation: 37-32=5 Exploring Operation: 44-32=12, Resulting Numbers: [37, 26, 12] Generated Node #0,3: 40:[37, 26, 12] Operation: 44-32=12 Exploring Operation: 44-26=18, Resulting Numbers: [32, 37, 18] Generated Node #0,4: 40:[32, 37, 18] Operation: 44-26=18 Start Sub Search at level 1: Moving to Node #0,1 Current State: 40:[44, 37, 6], Operations: ['32-26=6'] Exploring Operation: 37+6=43, Resulting Numbers: [44, 43] Generated Node #0,1,0: 40:[44, 43] Operation: 37+6=43 Exploring Operation: 44-6=38, Resulting Numbers: [37, 38] Generated Node #0,1,1: 40:[37, 38] Operation: 44-6=38 Exploring Operation: 37-6=31, Resulting Numbers: [44, 31] Generated Node #0,1,2: 40:[44, 31] Operation: 37-6=31 Exploring Operation: 44+6=50, Resulting Numbers: [37, 50] Generated Node #0,1,3: 40:[37, 50] Operation: 44+6=50 Exploring Operation: 44-37=7, Resulting Numbers: [6, 7] Generated Node #0,1,4: 40:[6, 7] Operation: 44-37=7 Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 40:[6, 7], Operations: ['32-26=6', '44-37=7'] Exploring Operation: 6*7=42, Resulting Numbers: [42] 42,40 unequal: No Solution Exploring Operation: 6+7=13, Resulting Numbers: [13] 13,40 unequal: No Solution Exploring Operation: 7-6=1, Resulting Numbers: [1] 1,40 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 40:[37, 38], Operations: ['32-26=6', '44-6=38'] Exploring Operation: 37*38=1406, Resulting Numbers: [1406] 1406,40 unequal: No Solution Exploring Operation: 38-37=1, Resulting Numbers: [1] 1,40 unequal: No Solution Exploring Operation: 37+38=75, Resulting Numbers: [75] 75,40 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 40:[44, 43], Operations: ['32-26=6', '37+6=43'] Exploring Operation: 44*43=1892, Resulting Numbers: [1892] 1892,40 unequal: No Solution Exploring Operation: 44+43=87, Resulting Numbers: [87] 87,40 unequal: No Solution Exploring Operation: 44-43=1, Resulting Numbers: [1] 1,40 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 40:[44, 31], Operations: ['32-26=6', '37-6=31'] Exploring Operation: 44*31=1364, Resulting Numbers: [1364] 1364,40 unequal: No Solution Exploring Operation: 44+31=75, Resulting Numbers: [75] 75,40 unequal: No Solution Exploring Operation: 44-31=13, Resulting Numbers: [13] 13,40 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 40:[37, 50], Operations: ['32-26=6', '44+6=50'] Exploring Operation: 37*50=1850, Resulting Numbers: [1850] 1850,40 unequal: No Solution Exploring Operation: 37+50=87, Resulting Numbers: [87] 87,40 unequal: No Solution Exploring Operation: 50-37=13, Resulting Numbers: [13] 13,40 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: 40:[44, 26, 5], Operations: ['37-32=5'] Exploring Operation: 44-26=18, Resulting Numbers: [5, 18] Generated Node #0,2,0: 40:[5, 18] Operation: 44-26=18 Exploring Operation: 44+5=49, Resulting Numbers: [26, 49] Generated Node #0,2,1: 40:[26, 49] Operation: 44+5=49 Exploring Operation: 26-5=21, Resulting Numbers: [44, 21] Generated Node #0,2,2: 40:[44, 21] Operation: 26-5=21 Exploring Operation: 26+5=31, Resulting Numbers: [44, 31] Generated Node #0,2,3: 40:[44, 31] Operation: 26+5=31 Exploring Operation: 44-5=39, Resulting Numbers: [26, 39] Generated Node #0,2,4: 40:[26, 39] Operation: 44-5=39 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 40:[5, 18], Operations: ['37-32=5', '44-26=18'] Exploring Operation: 5+18=23, Resulting Numbers: [23] 23,40 unequal: No Solution Exploring Operation: 5*18=90, Resulting Numbers: [90] 90,40 unequal: No Solution Exploring Operation: 18-5=13, Resulting Numbers: [13] 13,40 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 40:[44, 21], Operations: ['37-32=5', '26-5=21'] Exploring Operation: 44*21=924, Resulting Numbers: [924] 924,40 unequal: No Solution Exploring Operation: 44-21=23, Resulting Numbers: [23] 23,40 unequal: No Solution Exploring Operation: 44+21=65, Resulting Numbers: [65] 65,40 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 40:[26, 39], Operations: ['37-32=5', '44-5=39'] Exploring Operation: 26*39=1014, Resulting Numbers: [1014] 1014,40 unequal: No Solution Exploring Operation: 26+39=65, Resulting Numbers: [65] 65,40 unequal: No Solution Exploring Operation: 39-26=13, Resulting Numbers: [13] 13,40 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 40:[44, 31], Operations: ['37-32=5', '26+5=31'] Exploring Operation: 44+31=75, Resulting Numbers: [75] 75,40 unequal: No Solution Exploring Operation: 44*31=1364, Resulting Numbers: [1364] 1364,40 unequal: No Solution Exploring Operation: 44-31=13, Resulting Numbers: [13] 13,40 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 40:[26, 49], Operations: ['37-32=5', '44+5=49'] Exploring Operation: 26*49=1274, Resulting Numbers: [1274] 1274,40 unequal: No Solution Exploring Operation: 26+49=75, Resulting Numbers: [75] 75,40 unequal: No Solution Exploring Operation: 49-26=23, Resulting Numbers: [23] 23,40 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: 40:[37, 26, 12], Operations: ['44-32=12'] Exploring Operation: 37-26=11, Resulting Numbers: [12, 11] Generated Node #0,3,0: 40:[12, 11] Operation: 37-26=11 Exploring Operation: 26-12=14, Resulting Numbers: [37, 14] Generated Node #0,3,1: 40:[37, 14] Operation: 26-12=14 Exploring Operation: 37+12=49, Resulting Numbers: [26, 49] Generated Node #0,3,2: 40:[26, 49] Operation: 37+12=49 Exploring Operation: 37-12=25, Resulting Numbers: [26, 25] Generated Node #0,3,3: 40:[26, 25] Operation: 37-12=25 Exploring Operation: 26+12=38, Resulting Numbers: [37, 38] Generated Node #0,3,4: 40:[37, 38] Operation: 26+12=38 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 40:[12, 11], Operations: ['44-32=12', '37-26=11'] Exploring Operation: 12+11=23, Resulting Numbers: [23] 23,40 unequal: No Solution Exploring Operation: 12-11=1, Resulting Numbers: [1] 1,40 unequal: No Solution Exploring Operation: 12*11=132, Resulting Numbers: [132] 132,40 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 40:[37, 38], Operations: ['44-32=12', '26+12=38'] Exploring Operation: 37*38=1406, Resulting Numbers: [1406] 1406,40 unequal: No Solution Exploring Operation: 38-37=1, Resulting Numbers: [1] 1,40 unequal: No Solution Exploring Operation: 37+38=75, Resulting Numbers: [75] 75,40 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 40:[37, 14], Operations: ['44-32=12', '26-12=14'] Exploring Operation: 37*14=518, Resulting Numbers: [518] 518,40 unequal: No Solution Exploring Operation: 37+14=51, Resulting Numbers: [51] 51,40 unequal: No Solution Exploring Operation: 37-14=23, Resulting Numbers: [23] 23,40 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 40:[26, 25], Operations: ['44-32=12', '37-12=25'] Exploring Operation: 26-25=1, Resulting Numbers: [1] 1,40 unequal: No Solution Exploring Operation: 26*25=650, Resulting Numbers: [650] 650,40 unequal: No Solution Exploring Operation: 26+25=51, Resulting Numbers: [51] 51,40 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 40:[26, 49], Operations: ['44-32=12', '37+12=49'] Exploring Operation: 26+49=75, Resulting Numbers: [75] 75,40 unequal: No Solution Exploring Operation: 49-26=23, Resulting Numbers: [23] 23,40 unequal: No Solution Exploring Operation: 26*49=1274, Resulting Numbers: [1274] 1274,40 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: 40:[44, 32, 11], Operations: ['37-26=11'] Exploring Operation: 32+11=43, Resulting Numbers: [44, 43] Generated Node #0,0,0: 40:[44, 43] Operation: 32+11=43 Exploring Operation: 44-11=33, Resulting Numbers: [32, 33] Generated Node #0,0,1: 40:[32, 33] Operation: 44-11=33 Exploring Operation: 44-32=12, Resulting Numbers: [11, 12] Generated Node #0,0,2: 40:[11, 12] Operation: 44-32=12 Exploring Operation: 32-11=21, Resulting Numbers: [44, 21] Generated Node #0,0,3: 40:[44, 21] Operation: 32-11=21 Exploring Operation: 44/11=4, Resulting Numbers: [32, 4] Generated Node #0,0,4: 40:[32, 4] Operation: 44/11=4 Moving to Node #0,0,2 Current State: 40:[11, 12], Operations: ['37-26=11', '44-32=12'] Exploring Operation: 11+12=23, Resulting Numbers: [23] 23,40 unequal: No Solution Exploring Operation: 11*12=132, Resulting Numbers: [132] 132,40 unequal: No Solution Exploring Operation: 12-11=1, Resulting Numbers: [1] 1,40 unequal: No Solution Moving to Node #0,0,3 Current State: 40:[44, 21], Operations: ['37-26=11', '32-11=21'] Exploring Operation: 44+21=65, Resulting Numbers: [65] 65,40 unequal: No Solution Exploring Operation: 44-21=23, Resulting Numbers: [23] 23,40 unequal: No Solution Exploring Operation: 44*21=924, Resulting Numbers: [924] 924,40 unequal: No Solution Moving to Node #0,0,0 Current State: 40:[44, 43], Operations: ['37-26=11', '32+11=43'] Exploring Operation: 44*43=1892, Resulting Numbers: [1892] 1892,40 unequal: No Solution Exploring Operation: 44+43=87, Resulting Numbers: [87] 87,40 unequal: No Solution Exploring Operation: 44-43=1, Resulting Numbers: [1] 1,40 unequal: No Solution Moving to Node #0,0,4 Current State: 40:[32, 4], Operations: ['37-26=11', '44/11=4'] Exploring Operation: 32/4=8, Resulting Numbers: [8] 8,40 unequal: No Solution Exploring Operation: 32*4=128, Resulting Numbers: [128] 128,40 unequal: No Solution Exploring Operation: 32-4=28, Resulting Numbers: [28] 28,40 unequal: No Solution Exploring Operation: 32+4=36, Resulting Numbers: [36] 36,40 unequal: No Solution Moving to Node #0,0,1 Current State: 40:[32, 33], Operations: ['37-26=11', '44-11=33'] Exploring Operation: 32+33=65, Resulting Numbers: [65] 65,40 unequal: No Solution Exploring Operation: 32*33=1056, Resulting Numbers: [1056] 1056,40 unequal: No Solution Exploring Operation: 33-32=1, Resulting Numbers: [1] 1,40 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 40:[32, 37, 18], Operations: ['44-26=18'] Exploring Operation: 32-18=14, Resulting Numbers: [37, 14] Generated Node #0,4,0: 40:[37, 14] Operation: 32-18=14 Exploring Operation: 37+18=55, Resulting Numbers: [32, 55] Generated Node #0,4,1: 40:[32, 55] Operation: 37+18=55 Exploring Operation: 37-18=19, Resulting Numbers: [32, 19] Generated Node #0,4,2: 40:[32, 19] Operation: 37-18=19 Exploring Operation: 32+18=50, Resulting Numbers: [37, 50] Generated Node #0,4,3: 40:[37, 50] Operation: 32+18=50 Exploring Operation: 37-32=5, Resulting Numbers: [18, 5] Generated Node #0,4,4: 40:[18, 5] Operation: 37-32=5 Moving to Node #0,4,4 Current State: 40:[18, 5], Operations: ['44-26=18', '37-32=5'] Exploring Operation: 18+5=23, Resulting Numbers: [23] 23,40 unequal: No Solution Exploring Operation: 18-5=13, Resulting Numbers: [13] 13,40 unequal: No Solution Exploring Operation: 18*5=90, Resulting Numbers: [90] 90,40 unequal: No Solution Moving to Node #0,4,0 Current State: 40:[37, 14], Operations: ['44-26=18', '32-18=14'] Exploring Operation: 37-14=23, Resulting Numbers: [23] 23,40 unequal: No Solution Exploring Operation: 37+14=51, Resulting Numbers: [51] 51,40 unequal: No Solution Exploring Operation: 37*14=518, Resulting Numbers: [518] 518,40 unequal: No Solution Moving to Node #0,4,2 Current State: 40:[32, 19], Operations: ['44-26=18', '37-18=19'] Exploring Operation: 32-19=13, Resulting Numbers: [13] 13,40 unequal: No Solution Exploring Operation: 32*19=608, Resulting Numbers: [608] 608,40 unequal: No Solution Exploring Operation: 32+19=51, Resulting Numbers: [51] 51,40 unequal: No Solution Moving to Node #0,4,3 Current State: 40:[37, 50], Operations: ['44-26=18', '32+18=50'] Exploring Operation: 37+50=87, Resulting Numbers: [87] 87,40 unequal: No Solution Exploring Operation: 37*50=1850, Resulting Numbers: [1850] 1850,40 unequal: No Solution Exploring Operation: 50-37=13, Resulting Numbers: [13] 13,40 unequal: No Solution Moving to Node #0,4,1 Current State: 40:[32, 55], Operations: ['44-26=18', '37+18=55'] Exploring Operation: 55-32=23, Resulting Numbers: [23] 23,40 unequal: No Solution Exploring Operation: 32+55=87, Resulting Numbers: [87] 87,40 unequal: No Solution Exploring Operation: 32*55=1760, Resulting Numbers: [1760] 1760,40 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
[ 21, 43, 19, 16 ]
54
[ "21-19=2", "43-16=27", "2*27=54" ]
Current State: 54:[21, 43, 19, 16], Operations: [] Exploring Operation: 21-19=2, Resulting Numbers: [43, 16, 2] Generated Node #2: [43, 16, 2] from Operation: 21-19=2 Current State: 54:[43, 16, 2], Operations: ['21-19=2'] Exploring Operation: 43-16=27, Resulting Numbers: [2, 27] Generated Node #3: [2, 27] from Operation: 43-16=27 Current State: 54:[2, 27], Operations: ['21-19=2', '43-16=27'] Exploring Operation: 2*27=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
4
Current State: 54:[21, 43, 19, 16], Operations: [] Exploring Operation: 43-16=27, Resulting Numbers: [21, 19, 27] Generated Node #0,0: 54:[21, 19, 27] Operation: 43-16=27 Moving to Node #0,0 Current State: 54:[21, 19, 27], Operations: ['43-16=27'] Exploring Operation: 21-19=2, Resulting Numbers: [27, 2] Generated Node #0,0,0: 54:[27, 2] Operation: 21-19=2 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 54:[27, 2], Operations: ['43-16=27', '21-19=2'] Exploring Operation: 27*2=54, Resulting Numbers: [54] 54,54 equal: Goal Reached Moving to Node #0 Current State: 54:[21, 43, 19, 16], Operations: [] Exploring Operation: 43-16=27, Resulting Numbers: [21, 19, 27] Generated Node #0,0: 54:[21, 19, 27] Operation: 43-16=27 Moving to Node #0,0 Current State: 54:[21, 19, 27], Operations: ['43-16=27'] Exploring Operation: 21-19=2, Resulting Numbers: [27, 2] Generated Node #0,0,0: 54:[27, 2] Operation: 21-19=2 Moving to Node #0,0,0 Current State: 54:[27, 2], Operations: ['43-16=27', '21-19=2'] Exploring Operation: 27*2=54, Resulting Numbers: [54] 54,54 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 91, 28, 48, 7 ]
49
[ "91-7=84", "28*84=2352", "2352/48=49" ]
Current State: 49:[91, 28, 48, 7], Operations: [] Exploring Operation: 91-7=84, Resulting Numbers: [28, 48, 84] Generated Node #2: [28, 48, 84] from Operation: 91-7=84 Current State: 49:[28, 48, 84], Operations: ['91-7=84'] Exploring Operation: 28*84=2352, Resulting Numbers: [48, 2352] Generated Node #3: [48, 2352] from Operation: 28*84=2352 Current State: 49:[48, 2352], Operations: ['91-7=84', '28*84=2352'] Exploring Operation: 2352/48=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
4
Current State: 49:[91, 28, 48, 7], Operations: [] Exploring Operation: 91/7=13, Resulting Numbers: [28, 48, 13] Generated Node #0,0: 49:[28, 48, 13] Operation: 91/7=13 Exploring Operation: 91-28=63, Resulting Numbers: [48, 7, 63] Generated Node #0,1: 49:[48, 7, 63] Operation: 91-28=63 Exploring Operation: 91-48=43, Resulting Numbers: [28, 7, 43] Generated Node #0,2: 49:[28, 7, 43] Operation: 91-48=43 Moving to Node #0,1 Current State: 49:[48, 7, 63], Operations: ['91-28=63'] Exploring Operation: 63/7=9, Resulting Numbers: [48, 9] Generated Node #0,1,0: 49:[48, 9] Operation: 63/7=9 Exploring Operation: 63-7=56, Resulting Numbers: [48, 56] Generated Node #0,1,1: 49:[48, 56] Operation: 63-7=56 Exploring Operation: 63-48=15, Resulting Numbers: [7, 15] Generated Node #0,1,2: 49:[7, 15] Operation: 63-48=15 Moving to Node #0,2 Current State: 49:[28, 7, 43], Operations: ['91-48=43'] Exploring Operation: 43-28=15, Resulting Numbers: [7, 15] Generated Node #0,2,0: 49:[7, 15] Operation: 43-28=15 Exploring Operation: 28/7=4, Resulting Numbers: [43, 4] Generated Node #0,2,1: 49:[43, 4] Operation: 28/7=4 Exploring Operation: 28+7=35, Resulting Numbers: [43, 35] Generated Node #0,2,2: 49:[43, 35] Operation: 28+7=35 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 49:[7, 15], Operations: ['91-48=43', '43-28=15'] Exploring Operation: 7*15=105, Resulting Numbers: [105] 105,49 unequal: No Solution Exploring Operation: 15-7=8, Resulting Numbers: [8] 8,49 unequal: No Solution Exploring Operation: 7+15=22, Resulting Numbers: [22] 22,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 49:[43, 4], Operations: ['91-48=43', '28/7=4'] Exploring Operation: 43-4=39, Resulting Numbers: [39] 39,49 unequal: No Solution Exploring Operation: 43*4=172, Resulting Numbers: [172] 172,49 unequal: No Solution Exploring Operation: 43+4=47, Resulting Numbers: [47] 47,49 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:[43, 35], Operations: ['91-48=43', '28+7=35'] Exploring Operation: 43-35=8, Resulting Numbers: [8] 8,49 unequal: No Solution Exploring Operation: 43+35=78, Resulting Numbers: [78] 78,49 unequal: No Solution Exploring Operation: 43*35=1505, Resulting Numbers: [1505] 1505,49 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: 49:[28, 48, 13], Operations: ['91/7=13'] Exploring Operation: 48-28=20, Resulting Numbers: [13, 20] Generated Node #0,0,0: 49:[13, 20] Operation: 48-28=20 Exploring Operation: 28+13=41, Resulting Numbers: [48, 41] Generated Node #0,0,1: 49:[48, 41] Operation: 28+13=41 Exploring Operation: 28-13=15, Resulting Numbers: [48, 15] Generated Node #0,0,2: 49:[48, 15] Operation: 28-13=15 Moving to Node #0,1,0 Current State: 49:[48, 9], Operations: ['91-28=63', '63/7=9'] Exploring Operation: 48*9=432, Resulting Numbers: [432] 432,49 unequal: No Solution Exploring Operation: 48-9=39, Resulting Numbers: [39] 39,49 unequal: No Solution Exploring Operation: 48+9=57, Resulting Numbers: [57] 57,49 unequal: No Solution Moving to Node #0,1,2 Current State: 49:[7, 15], Operations: ['91-28=63', '63-48=15'] Exploring Operation: 7+15=22, Resulting Numbers: [22] 22,49 unequal: No Solution Exploring Operation: 15-7=8, Resulting Numbers: [8] 8,49 unequal: No Solution Exploring Operation: 7*15=105, Resulting Numbers: [105] 105,49 unequal: No Solution Moving to Node #0,1,1 Current State: 49:[48, 56], Operations: ['91-28=63', '63-7=56'] Exploring Operation: 48*56=2688, Resulting Numbers: [2688] 2688,49 unequal: No Solution Exploring Operation: 48+56=104, Resulting Numbers: [104] 104,49 unequal: No Solution Exploring Operation: 56-48=8, Resulting Numbers: [8] 8,49 unequal: No Solution Moving to Node #0,0,1 Current State: 49:[48, 41], Operations: ['91/7=13', '28+13=41'] Exploring Operation: 48+41=89, Resulting Numbers: [89] 89,49 unequal: No Solution Exploring Operation: 48-41=7, Resulting Numbers: [7] 7,49 unequal: No Solution Exploring Operation: 48*41=1968, Resulting Numbers: [1968] 1968,49 unequal: No Solution Moving to Node #0,0,2 Current State: 49:[48, 15], Operations: ['91/7=13', '28-13=15'] Exploring Operation: 48+15=63, Resulting Numbers: [63] 63,49 unequal: No Solution Exploring Operation: 48*15=720, Resulting Numbers: [720] 720,49 unequal: No Solution Exploring Operation: 48-15=33, Resulting Numbers: [33] 33,49 unequal: No Solution Moving to Node #0,0,0 Current State: 49:[13, 20], Operations: ['91/7=13', '48-28=20'] Exploring Operation: 13*20=260, Resulting Numbers: [260] 260,49 unequal: No Solution Exploring Operation: 13+20=33, Resulting Numbers: [33] 33,49 unequal: No Solution Exploring Operation: 20-13=7, Resulting Numbers: [7] 7,49 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 92, 75, 5, 98 ]
53
[ "92+75=167", "98+167=265", "265/5=53" ]
Current State: 53:[92, 75, 5, 98], Operations: [] Exploring Operation: 92+75=167, Resulting Numbers: [5, 98, 167] Generated Node #2: [5, 98, 167] from Operation: 92+75=167 Current State: 53:[5, 98, 167], Operations: ['92+75=167'] Exploring Operation: 98+167=265, Resulting Numbers: [5, 265] Generated Node #3: [5, 265] from Operation: 98+167=265 Current State: 53:[5, 265], Operations: ['92+75=167', '98+167=265'] Exploring Operation: 265/5=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[92, 75, 5, 98], Operations: [] Exploring Operation: 75-5=70, Resulting Numbers: [92, 98, 70] Generated Node #0,0: 53:[92, 98, 70] Operation: 75-5=70 Exploring Operation: 92-5=87, Resulting Numbers: [75, 98, 87] Generated Node #0,1: 53:[75, 98, 87] Operation: 92-5=87 Moving to Node #0,0 Current State: 53:[92, 98, 70], Operations: ['75-5=70'] Exploring Operation: 98-70=28, Resulting Numbers: [92, 28] Generated Node #0,0,0: 53:[92, 28] Operation: 98-70=28 Exploring Operation: 98-92=6, Resulting Numbers: [70, 6] Generated Node #0,0,1: 53:[70, 6] Operation: 98-92=6 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 53:[92, 28], Operations: ['75-5=70', '98-70=28'] Exploring Operation: 92-28=64, Resulting Numbers: [64] 64,53 unequal: No Solution Exploring Operation: 92+28=120, Resulting Numbers: [120] 120,53 unequal: No Solution No solution 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: 53:[70, 6], Operations: ['75-5=70', '98-92=6'] Exploring Operation: 70-6=64, Resulting Numbers: [64] 64,53 unequal: No Solution Exploring Operation: 70+6=76, Resulting Numbers: [76] 76,53 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: 53:[75, 98, 87], Operations: ['92-5=87'] Exploring Operation: 98-75=23, Resulting Numbers: [87, 23] Generated Node #0,1,0: 53:[87, 23] Operation: 98-75=23 Exploring Operation: 98-87=11, Resulting Numbers: [75, 11] Generated Node #0,1,1: 53:[75, 11] Operation: 98-87=11 Moving to Node #0,1,0 Current State: 53:[87, 23], Operations: ['92-5=87', '98-75=23'] Exploring Operation: 87+23=110, Resulting Numbers: [110] 110,53 unequal: No Solution Exploring Operation: 87-23=64, Resulting Numbers: [64] 64,53 unequal: No Solution Moving to Node #0,1,1 Current State: 53:[75, 11], Operations: ['92-5=87', '98-87=11'] Exploring Operation: 75+11=86, Resulting Numbers: [86] 86,53 unequal: No Solution Exploring Operation: 75-11=64, Resulting Numbers: [64] 64,53 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 73, 60, 16, 96 ]
99
[ "73-60=13", "16+96=112", "112-13=99" ]
Current State: 99:[73, 60, 16, 96], Operations: [] Exploring Operation: 73-60=13, Resulting Numbers: [16, 96, 13] Generated Node #2: [16, 96, 13] from Operation: 73-60=13 Current State: 99:[16, 96, 13], Operations: ['73-60=13'] Exploring Operation: 16+96=112, Resulting Numbers: [13, 112] Generated Node #3: [13, 112] from Operation: 16+96=112 Current State: 99:[13, 112], Operations: ['73-60=13', '16+96=112'] Exploring Operation: 112-13=99, Resulting Numbers: [99] 99,99 equal: Goal Reached
4
Current State: 99:[73, 60, 16, 96], Operations: [] Exploring Operation: 73-60=13, Resulting Numbers: [16, 96, 13] Generated Node #0,0: 99:[16, 96, 13] Operation: 73-60=13 Exploring Operation: 96-60=36, Resulting Numbers: [73, 16, 36] Generated Node #0,1: 99:[73, 16, 36] Operation: 96-60=36 Start Sub Search at level 1: Moving to Node #0,0 Current State: 99:[16, 96, 13], Operations: ['73-60=13'] Exploring Operation: 16-13=3, Resulting Numbers: [96, 3] Generated Node #0,0,0: 99:[96, 3] Operation: 16-13=3 Exploring Operation: 96/16=6, Resulting Numbers: [13, 6] Generated Node #0,0,1: 99:[13, 6] Operation: 96/16=6 Moving to Node #0,0,0 Current State: 99:[96, 3], Operations: ['73-60=13', '16-13=3'] Exploring Operation: 96+3=99, Resulting Numbers: [99] 99,99 equal: Goal Reached Moving to Node #0 Current State: 99:[73, 60, 16, 96], Operations: [] Exploring Operation: 73-60=13, Resulting Numbers: [16, 96, 13] Generated Node #0,0: 99:[16, 96, 13] Operation: 73-60=13 Moving to Node #0,0 Current State: 99:[16, 96, 13], Operations: ['73-60=13'] Exploring Operation: 16-13=3, Resulting Numbers: [96, 3] Generated Node #0,0,0: 99:[96, 3] Operation: 16-13=3 Moving to Node #0,0,0 Current State: 99:[96, 3], Operations: ['73-60=13', '16-13=3'] Exploring Operation: 96+3=99, Resulting Numbers: [99] 99,99 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
sum_heuristic
[ 74, 76, 8, 29 ]
19
[ "76-74=2", "29-8=21", "21-2=19" ]
Current State: 19:[74, 76, 8, 29], Operations: [] Exploring Operation: 76-74=2, Resulting Numbers: [8, 29, 2] Generated Node #2: [8, 29, 2] from Operation: 76-74=2 Current State: 19:[8, 29, 2], Operations: ['76-74=2'] Exploring Operation: 29-8=21, Resulting Numbers: [2, 21] Generated Node #3: [2, 21] from Operation: 29-8=21 Current State: 19:[2, 21], Operations: ['76-74=2', '29-8=21'] Exploring Operation: 21-2=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
4
Current State: 19:[74, 76, 8, 29], Operations: [] Exploring Operation: 76-74=2, Resulting Numbers: [8, 29, 2] Generated Node #0,0: 19:[8, 29, 2] Operation: 76-74=2 Exploring Operation: 74-29=45, Resulting Numbers: [76, 8, 45] Generated Node #0,1: 19:[76, 8, 45] Operation: 74-29=45 Moving to Node #0,0 Current State: 19:[8, 29, 2], Operations: ['76-74=2'] Exploring Operation: 8*2=16, Resulting Numbers: [29, 16] Generated Node #0,0,0: 19:[29, 16] Operation: 8*2=16 Exploring Operation: 29-8=21, Resulting Numbers: [2, 21] Generated Node #0,0,1: 19:[2, 21] Operation: 29-8=21 Moving to Node #0,1 Current State: 19:[76, 8, 45], Operations: ['74-29=45'] Exploring Operation: 76-45=31, Resulting Numbers: [8, 31] Generated Node #0,1,0: 19:[8, 31] Operation: 76-45=31 Exploring Operation: 76-8=68, Resulting Numbers: [45, 68] Generated Node #0,1,1: 19:[45, 68] Operation: 76-8=68 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 19:[8, 31], Operations: ['74-29=45', '76-45=31'] Exploring Operation: 31-8=23, Resulting Numbers: [23] 23,19 unequal: No Solution Exploring Operation: 8+31=39, Resulting Numbers: [39] 39,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 19:[45, 68], Operations: ['74-29=45', '76-8=68'] Exploring Operation: 68-45=23, Resulting Numbers: [23] 23,19 unequal: No Solution Exploring Operation: 45+68=113, Resulting Numbers: [113] 113,19 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: 19:[29, 16], Operations: ['76-74=2', '8*2=16'] Exploring Operation: 29-16=13, Resulting Numbers: [13] 13,19 unequal: No Solution Exploring Operation: 29+16=45, Resulting Numbers: [45] 45,19 unequal: No Solution Moving to Node #0,0,1 Current State: 19:[2, 21], Operations: ['76-74=2', '29-8=21'] Exploring Operation: 21-2=19, Resulting Numbers: [19] 19,19 equal: Goal Reached Moving to Node #0 Current State: 19:[74, 76, 8, 29], Operations: [] Exploring Operation: 76-74=2, Resulting Numbers: [8, 29, 2] Generated Node #0,0: 19:[8, 29, 2] Operation: 76-74=2 Moving to Node #0,0 Current State: 19:[8, 29, 2], Operations: ['76-74=2'] Exploring Operation: 29-8=21, Resulting Numbers: [2, 21] Generated Node #0,0,1: 19:[2, 21] Operation: 29-8=21 Moving to Node #0,0,1 Current State: 19:[2, 21], Operations: ['76-74=2', '29-8=21'] Exploring Operation: 21-2=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
0.985243
hs_2
mult_heuristic
[ 33, 3, 23, 64 ]
58
[ "33*3=99", "64-23=41", "99-41=58" ]
Current State: 58:[33, 3, 23, 64], Operations: [] Exploring Operation: 33*3=99, Resulting Numbers: [23, 64, 99] Generated Node #2: [23, 64, 99] from Operation: 33*3=99 Current State: 58:[23, 64, 99], Operations: ['33*3=99'] Exploring Operation: 64-23=41, Resulting Numbers: [99, 41] Generated Node #3: [99, 41] from Operation: 64-23=41 Current State: 58:[99, 41], Operations: ['33*3=99', '64-23=41'] Exploring Operation: 99-41=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[33, 3, 23, 64], Operations: [] Exploring Operation: 33+23=56, Resulting Numbers: [3, 64, 56] Generated Node #0,0: 58:[3, 64, 56] Operation: 33+23=56 Exploring Operation: 64-33=31, Resulting Numbers: [3, 23, 31] Generated Node #0,1: 58:[3, 23, 31] Operation: 64-33=31 Exploring Operation: 33-3=30, Resulting Numbers: [23, 64, 30] Generated Node #0,2: 58:[23, 64, 30] Operation: 33-3=30 Moving to Node #0,0 Current State: 58:[3, 64, 56], Operations: ['33+23=56'] Exploring Operation: 64-56=8, Resulting Numbers: [3, 8] Generated Node #0,0,0: 58:[3, 8] Operation: 64-56=8 Exploring Operation: 3+56=59, Resulting Numbers: [64, 59] Generated Node #0,0,1: 58:[64, 59] Operation: 3+56=59 Exploring Operation: 64-3=61, Resulting Numbers: [56, 61] Generated Node #0,0,2: 58:[56, 61] Operation: 64-3=61 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 58:[56, 61], Operations: ['33+23=56', '64-3=61'] Exploring Operation: 61-56=5, Resulting Numbers: [5] 5,58 unequal: No Solution Exploring Operation: 56+61=117, Resulting Numbers: [117] 117,58 unequal: No Solution Exploring Operation: 56*61=3416, Resulting Numbers: [3416] 3416,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 58:[3, 8], Operations: ['33+23=56', '64-56=8'] Exploring Operation: 8-3=5, Resulting Numbers: [5] 5,58 unequal: No Solution Exploring Operation: 3+8=11, Resulting Numbers: [11] 11,58 unequal: No Solution Exploring Operation: 3*8=24, Resulting Numbers: [24] 24,58 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:[64, 59], Operations: ['33+23=56', '3+56=59'] Exploring Operation: 64*59=3776, Resulting Numbers: [3776] 3776,58 unequal: No Solution Exploring Operation: 64+59=123, Resulting Numbers: [123] 123,58 unequal: No Solution Exploring Operation: 64-59=5, Resulting Numbers: [5] 5,58 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:[3, 23, 31], Operations: ['64-33=31'] Exploring Operation: 3+23=26, Resulting Numbers: [31, 26] Generated Node #0,1,0: 58:[31, 26] Operation: 3+23=26 Exploring Operation: 23+31=54, Resulting Numbers: [3, 54] Generated Node #0,1,1: 58:[3, 54] Operation: 23+31=54 Exploring Operation: 31-3=28, Resulting Numbers: [23, 28] Generated Node #0,1,2: 58:[23, 28] Operation: 31-3=28 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 58:[31, 26], Operations: ['64-33=31', '3+23=26'] Exploring Operation: 31+26=57, Resulting Numbers: [57] 57,58 unequal: No Solution Exploring Operation: 31-26=5, Resulting Numbers: [5] 5,58 unequal: No Solution Exploring Operation: 31*26=806, Resulting Numbers: [806] 806,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 58:[3, 54], Operations: ['64-33=31', '23+31=54'] Exploring Operation: 3+54=57, Resulting Numbers: [57] 57,58 unequal: No Solution Exploring Operation: 54/3=18, Resulting Numbers: [18] 18,58 unequal: No Solution Exploring Operation: 54-3=51, Resulting Numbers: [51] 51,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 58:[23, 28], Operations: ['64-33=31', '31-3=28'] Exploring Operation: 23*28=644, Resulting Numbers: [644] 644,58 unequal: No Solution Exploring Operation: 28-23=5, Resulting Numbers: [5] 5,58 unequal: No Solution Exploring Operation: 23+28=51, Resulting Numbers: [51] 51,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 58:[23, 64, 30], Operations: ['33-3=30'] Exploring Operation: 64-30=34, Resulting Numbers: [23, 34] Generated Node #0,2,0: 58:[23, 34] Operation: 64-30=34 Exploring Operation: 30-23=7, Resulting Numbers: [64, 7] Generated Node #0,2,1: 58:[64, 7] Operation: 30-23=7 Exploring Operation: 23+30=53, Resulting Numbers: [64, 53] Generated Node #0,2,2: 58:[64, 53] Operation: 23+30=53 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 58:[23, 34], Operations: ['33-3=30', '64-30=34'] Exploring Operation: 34-23=11, Resulting Numbers: [11] 11,58 unequal: No Solution Exploring Operation: 23+34=57, Resulting Numbers: [57] 57,58 unequal: No Solution Exploring Operation: 23*34=782, Resulting Numbers: [782] 782,58 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 #0,2,1 Current State: 58:[64, 7], Operations: ['33-3=30', '30-23=7'] Exploring Operation: 64+7=71, Resulting Numbers: [71] 71,58 unequal: No Solution Exploring Operation: 64-7=57, Resulting Numbers: [57] 57,58 unequal: No Solution Exploring Operation: 64*7=448, Resulting Numbers: [448] 448,58 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 #0,2,2 Current State: 58:[64, 53], Operations: ['33-3=30', '23+30=53'] Exploring Operation: 64-53=11, Resulting Numbers: [11] 11,58 unequal: No Solution Exploring Operation: 64+53=117, Resulting Numbers: [117] 117,58 unequal: No Solution Exploring Operation: 64*53=3392, Resulting Numbers: [3392] 3392,58 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
[ 7, 81, 14, 57 ]
26
[ "14/7=2", "81-57=24", "2+24=26" ]
Current State: 26:[7, 81, 14, 57], Operations: [] Exploring Operation: 14/7=2, Resulting Numbers: [81, 57, 2] Generated Node #2: [81, 57, 2] from Operation: 14/7=2 Current State: 26:[81, 57, 2], Operations: ['14/7=2'] Exploring Operation: 81-57=24, Resulting Numbers: [2, 24] Generated Node #3: [2, 24] from Operation: 81-57=24 Current State: 26:[2, 24], Operations: ['14/7=2', '81-57=24'] Exploring Operation: 2+24=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
4
Current State: 26:[7, 81, 14, 57], Operations: [] Exploring Operation: 81-57=24, Resulting Numbers: [7, 14, 24] Generated Node #0,0: 26:[7, 14, 24] Operation: 81-57=24 Exploring Operation: 81-7=74, Resulting Numbers: [14, 57, 74] Generated Node #0,1: 26:[14, 57, 74] Operation: 81-7=74 Exploring Operation: 57-14=43, Resulting Numbers: [7, 81, 43] Generated Node #0,2: 26:[7, 81, 43] Operation: 57-14=43 Exploring Operation: 57-7=50, Resulting Numbers: [81, 14, 50] Generated Node #0,3: 26:[81, 14, 50] Operation: 57-7=50 Exploring Operation: 81-14=67, Resulting Numbers: [7, 57, 67] Generated Node #0,4: 26:[7, 57, 67] Operation: 81-14=67 Moving to Node #0,0 Current State: 26:[7, 14, 24], Operations: ['81-57=24'] Exploring Operation: 7+14=21, Resulting Numbers: [24, 21] Generated Node #0,0,0: 26:[24, 21] Operation: 7+14=21 Exploring Operation: 24-7=17, Resulting Numbers: [14, 17] Generated Node #0,0,1: 26:[14, 17] Operation: 24-7=17 Exploring Operation: 14-7=7, Resulting Numbers: [24, 7] Generated Node #0,0,2: 26:[24, 7] Operation: 14-7=7 Exploring Operation: 7+24=31, Resulting Numbers: [14, 31] Generated Node #0,0,3: 26:[14, 31] Operation: 7+24=31 Exploring Operation: 14/7=2, Resulting Numbers: [24, 2] Generated Node #0,0,4: 26:[24, 2] Operation: 14/7=2 Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 26:[24, 2], Operations: ['81-57=24', '14/7=2'] Exploring Operation: 24-2=22, Resulting Numbers: [22] 22,26 unequal: No Solution Exploring Operation: 24*2=48, Resulting Numbers: [48] 48,26 unequal: No Solution Exploring Operation: 24+2=26, Resulting Numbers: [26] 26,26 equal: Goal Reached Moving to Node #0 Current State: 26:[7, 81, 14, 57], Operations: [] Exploring Operation: 81-57=24, Resulting Numbers: [7, 14, 24] Generated Node #0,0: 26:[7, 14, 24] Operation: 81-57=24 Moving to Node #0,0 Current State: 26:[7, 14, 24], Operations: ['81-57=24'] Exploring Operation: 14/7=2, Resulting Numbers: [24, 2] Generated Node #0,0,4: 26:[24, 2] Operation: 14/7=2 Moving to Node #0,0,4 Current State: 26:[24, 2], Operations: ['81-57=24', '14/7=2'] Exploring Operation: 24+2=26, Resulting Numbers: [26] 26,26 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_5
sum_heuristic
[ 2, 86, 13, 90 ]
75
[ "86+90=176", "176/2=88", "88-13=75" ]
Current State: 75:[2, 86, 13, 90], Operations: [] Exploring Operation: 86+90=176, Resulting Numbers: [2, 13, 176] Generated Node #2: [2, 13, 176] from Operation: 86+90=176 Current State: 75:[2, 13, 176], Operations: ['86+90=176'] Exploring Operation: 176/2=88, Resulting Numbers: [13, 88] Generated Node #3: [13, 88] from Operation: 176/2=88 Current State: 75:[13, 88], Operations: ['86+90=176', '176/2=88'] Exploring Operation: 88-13=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
4
Current State: 75:[2, 86, 13, 90], Operations: [] Exploring Operation: 2+13=15, Resulting Numbers: [86, 90, 15] Generated Node #0,0: 75:[86, 90, 15] Operation: 2+13=15 Exploring Operation: 86-13=73, Resulting Numbers: [2, 90, 73] Generated Node #0,1: 75:[2, 90, 73] Operation: 86-13=73 Exploring Operation: 86-2=84, Resulting Numbers: [13, 90, 84] Generated Node #0,2: 75:[13, 90, 84] Operation: 86-2=84 Exploring Operation: 90-86=4, Resulting Numbers: [2, 13, 4] Generated Node #0,3: 75:[2, 13, 4] Operation: 90-86=4 Exploring Operation: 90-13=77, Resulting Numbers: [2, 86, 77] Generated Node #0,4: 75:[2, 86, 77] Operation: 90-13=77 Start Sub Search at level 1: Moving to Node #0,3 Current State: 75:[2, 13, 4], Operations: ['90-86=4'] Exploring Operation: 2+4=6, Resulting Numbers: [13, 6] Generated Node #0,3,0: 75:[13, 6] Operation: 2+4=6 Exploring Operation: 4/2=2, Resulting Numbers: [13, 2] Generated Node #0,3,1: 75:[13, 2] Operation: 4/2=2 Exploring Operation: 2+13=15, Resulting Numbers: [4, 15] Generated Node #0,3,2: 75:[4, 15] Operation: 2+13=15 Exploring Operation: 4-2=2, Resulting Numbers: [13, 2] Generated Node #0,3,3: 75:[13, 2] Operation: 4-2=2 Exploring Operation: 2*13=26, Resulting Numbers: [4, 26] Generated Node #0,3,4: 75:[4, 26] Operation: 2*13=26 Moving to Node #0,3,2 Current State: 75:[4, 15], Operations: ['90-86=4', '2+13=15'] Exploring Operation: 4+15=19, Resulting Numbers: [19] 19,75 unequal: No Solution Exploring Operation: 15-4=11, Resulting Numbers: [11] 11,75 unequal: No Solution Exploring Operation: 4*15=60, Resulting Numbers: [60] 60,75 unequal: No Solution Moving to Node #0,3,4 Current State: 75:[4, 26], Operations: ['90-86=4', '2*13=26'] Exploring Operation: 4+26=30, Resulting Numbers: [30] 30,75 unequal: No Solution Exploring Operation: 4*26=104, Resulting Numbers: [104] 104,75 unequal: No Solution Exploring Operation: 26-4=22, Resulting Numbers: [22] 22,75 unequal: No Solution Moving to Node #0,3,0 Current State: 75:[13, 6], Operations: ['90-86=4', '2+4=6'] Exploring Operation: 13+6=19, Resulting Numbers: [19] 19,75 unequal: No Solution Exploring Operation: 13-6=7, Resulting Numbers: [7] 7,75 unequal: No Solution Exploring Operation: 13*6=78, Resulting Numbers: [78] 78,75 unequal: No Solution Moving to Node #0,3,1 Current State: 75:[13, 2], Operations: ['90-86=4', '4/2=2'] Exploring Operation: 13*2=26, Resulting Numbers: [26] 26,75 unequal: No Solution Exploring Operation: 13+2=15, Resulting Numbers: [15] 15,75 unequal: No Solution Exploring Operation: 13-2=11, Resulting Numbers: [11] 11,75 unequal: No Solution Moving to Node #0,3,3 Current State: 75:[13, 2], Operations: ['90-86=4', '4-2=2'] Exploring Operation: 13-2=11, Resulting Numbers: [11] 11,75 unequal: No Solution Exploring Operation: 13*2=26, Resulting Numbers: [26] 26,75 unequal: No Solution Exploring Operation: 13+2=15, Resulting Numbers: [15] 15,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 75:[2, 86, 77], Operations: ['90-13=77'] Exploring Operation: 77-2=75, Resulting Numbers: [86, 75] Generated Node #0,4,0: 75:[86, 75] Operation: 77-2=75 Exploring Operation: 2+77=79, Resulting Numbers: [86, 79] Generated Node #0,4,1: 75:[86, 79] Operation: 2+77=79 Exploring Operation: 2+86=88, Resulting Numbers: [77, 88] Generated Node #0,4,2: 75:[77, 88] Operation: 2+86=88 Exploring Operation: 86-77=9, Resulting Numbers: [2, 9] Generated Node #0,4,3: 75:[2, 9] Operation: 86-77=9 Exploring Operation: 86-2=84, Resulting Numbers: [77, 84] Generated Node #0,4,4: 75:[77, 84] Operation: 86-2=84 Moving to Node #0,4,3 Current State: 75:[2, 9], Operations: ['90-13=77', '86-77=9'] Exploring Operation: 2*9=18, Resulting Numbers: [18] 18,75 unequal: No Solution Exploring Operation: 2+9=11, Resulting Numbers: [11] 11,75 unequal: No Solution Exploring Operation: 9-2=7, Resulting Numbers: [7] 7,75 unequal: No Solution Moving to Node #0,4,4 Current State: 75:[77, 84], Operations: ['90-13=77', '86-2=84'] Exploring Operation: 84-77=7, Resulting Numbers: [7] 7,75 unequal: No Solution Exploring Operation: 77*84=6468, Resulting Numbers: [6468] 6468,75 unequal: No Solution Exploring Operation: 77+84=161, Resulting Numbers: [161] 161,75 unequal: No Solution Moving to Node #0,4,0 Current State: 75:[86, 75], Operations: ['90-13=77', '77-2=75'] Exploring Operation: 86+75=161, Resulting Numbers: [161] 161,75 unequal: No Solution Exploring Operation: 86*75=6450, Resulting Numbers: [6450] 6450,75 unequal: No Solution Exploring Operation: 86-75=11, Resulting Numbers: [11] 11,75 unequal: No Solution Moving to Node #0,4,1 Current State: 75:[86, 79], Operations: ['90-13=77', '2+77=79'] Exploring Operation: 86-79=7, Resulting Numbers: [7] 7,75 unequal: No Solution Exploring Operation: 86+79=165, Resulting Numbers: [165] 165,75 unequal: No Solution Exploring Operation: 86*79=6794, Resulting Numbers: [6794] 6794,75 unequal: No Solution Moving to Node #0,4,2 Current State: 75:[77, 88], Operations: ['90-13=77', '2+86=88'] Exploring Operation: 77*88=6776, Resulting Numbers: [6776] 6776,75 unequal: No Solution Exploring Operation: 77+88=165, Resulting Numbers: [165] 165,75 unequal: No Solution Exploring Operation: 88-77=11, Resulting Numbers: [11] 11,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 75:[2, 90, 73], Operations: ['86-13=73'] Exploring Operation: 90-2=88, Resulting Numbers: [73, 88] Generated Node #0,1,0: 75:[73, 88] Operation: 90-2=88 Exploring Operation: 2+73=75, Resulting Numbers: [90, 75] Generated Node #0,1,1: 75:[90, 75] Operation: 2+73=75 Exploring Operation: 2+90=92, Resulting Numbers: [73, 92] Generated Node #0,1,2: 75:[73, 92] Operation: 2+90=92 Exploring Operation: 73-2=71, Resulting Numbers: [90, 71] Generated Node #0,1,3: 75:[90, 71] Operation: 73-2=71 Exploring Operation: 90-73=17, Resulting Numbers: [2, 17] Generated Node #0,1,4: 75:[2, 17] Operation: 90-73=17 Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 75:[2, 17], Operations: ['86-13=73', '90-73=17'] Exploring Operation: 17-2=15, Resulting Numbers: [15] 15,75 unequal: No Solution Exploring Operation: 2*17=34, Resulting Numbers: [34] 34,75 unequal: No Solution Exploring Operation: 2+17=19, Resulting Numbers: [19] 19,75 unequal: No Solution No 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: 75:[73, 88], Operations: ['86-13=73', '90-2=88'] Exploring Operation: 73+88=161, Resulting Numbers: [161] 161,75 unequal: No Solution Exploring Operation: 73*88=6424, Resulting Numbers: [6424] 6424,75 unequal: No Solution Exploring Operation: 88-73=15, Resulting Numbers: [15] 15,75 unequal: No Solution No 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: 75:[90, 75], Operations: ['86-13=73', '2+73=75'] Exploring Operation: 90+75=165, Resulting Numbers: [165] 165,75 unequal: No Solution Exploring Operation: 90*75=6750, Resulting Numbers: [6750] 6750,75 unequal: No Solution Exploring Operation: 90-75=15, Resulting Numbers: [15] 15,75 unequal: No Solution No 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: 75:[73, 92], Operations: ['86-13=73', '2+90=92'] Exploring Operation: 73*92=6716, Resulting Numbers: [6716] 6716,75 unequal: No Solution Exploring Operation: 73+92=165, Resulting Numbers: [165] 165,75 unequal: No Solution Exploring Operation: 92-73=19, Resulting Numbers: [19] 19,75 unequal: No Solution No 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: 75:[90, 71], Operations: ['86-13=73', '73-2=71'] Exploring Operation: 90*71=6390, Resulting Numbers: [6390] 6390,75 unequal: No Solution Exploring Operation: 90-71=19, Resulting Numbers: [19] 19,75 unequal: No Solution Exploring Operation: 90+71=161, Resulting Numbers: [161] 161,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 75:[86, 90, 15], Operations: ['2+13=15'] Exploring Operation: 86+15=101, Resulting Numbers: [90, 101] Generated Node #0,0,0: 75:[90, 101] Operation: 86+15=101 Exploring Operation: 90-86=4, Resulting Numbers: [15, 4] Generated Node #0,0,1: 75:[15, 4] Operation: 90-86=4 Exploring Operation: 90/15=6, Resulting Numbers: [86, 6] Generated Node #0,0,2: 75:[86, 6] Operation: 90/15=6 Exploring Operation: 86-15=71, Resulting Numbers: [90, 71] Generated Node #0,0,3: 75:[90, 71] Operation: 86-15=71 Exploring Operation: 90-15=75, Resulting Numbers: [86, 75] Generated Node #0,0,4: 75:[86, 75] Operation: 90-15=75 Moving to Node #0,0,1 Current State: 75:[15, 4], Operations: ['2+13=15', '90-86=4'] Exploring Operation: 15*4=60, Resulting Numbers: [60] 60,75 unequal: No Solution Exploring Operation: 15-4=11, Resulting Numbers: [11] 11,75 unequal: No Solution Exploring Operation: 15+4=19, Resulting Numbers: [19] 19,75 unequal: No Solution Moving to Node #0,0,4 Current State: 75:[86, 75], Operations: ['2+13=15', '90-15=75'] Exploring Operation: 86+75=161, Resulting Numbers: [161] 161,75 unequal: No Solution Exploring Operation: 86*75=6450, Resulting Numbers: [6450] 6450,75 unequal: No Solution Exploring Operation: 86-75=11, Resulting Numbers: [11] 11,75 unequal: No Solution Moving to Node #0,0,2 Current State: 75:[86, 6], Operations: ['2+13=15', '90/15=6'] Exploring Operation: 86-6=80, Resulting Numbers: [80] 80,75 unequal: No Solution Exploring Operation: 86+6=92, Resulting Numbers: [92] 92,75 unequal: No Solution Exploring Operation: 86*6=516, Resulting Numbers: [516] 516,75 unequal: No Solution Moving to Node #0,0,3 Current State: 75:[90, 71], Operations: ['2+13=15', '86-15=71'] Exploring Operation: 90+71=161, Resulting Numbers: [161] 161,75 unequal: No Solution Exploring Operation: 90-71=19, Resulting Numbers: [19] 19,75 unequal: No Solution Exploring Operation: 90*71=6390, Resulting Numbers: [6390] 6390,75 unequal: No Solution Moving to Node #0,0,0 Current State: 75:[90, 101], Operations: ['2+13=15', '86+15=101'] Exploring Operation: 90+101=191, Resulting Numbers: [191] 191,75 unequal: No Solution Exploring Operation: 101-90=11, Resulting Numbers: [11] 11,75 unequal: No Solution Exploring Operation: 90*101=9090, Resulting Numbers: [9090] 9090,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 75:[13, 90, 84], Operations: ['86-2=84'] Exploring Operation: 13+84=97, Resulting Numbers: [90, 97] Generated Node #0,2,0: 75:[90, 97] Operation: 13+84=97 Exploring Operation: 13+90=103, Resulting Numbers: [84, 103] Generated Node #0,2,1: 75:[84, 103] Operation: 13+90=103 Exploring Operation: 84-13=71, Resulting Numbers: [90, 71] Generated Node #0,2,2: 75:[90, 71] Operation: 84-13=71 Exploring Operation: 90-13=77, Resulting Numbers: [84, 77] Generated Node #0,2,3: 75:[84, 77] Operation: 90-13=77 Exploring Operation: 90-84=6, Resulting Numbers: [13, 6] Generated Node #0,2,4: 75:[13, 6] Operation: 90-84=6 Moving to Node #0,2,4 Current State: 75:[13, 6], Operations: ['86-2=84', '90-84=6'] Exploring Operation: 13+6=19, Resulting Numbers: [19] 19,75 unequal: No Solution Exploring Operation: 13-6=7, Resulting Numbers: [7] 7,75 unequal: No Solution Exploring Operation: 13*6=78, Resulting Numbers: [78] 78,75 unequal: No Solution Moving to Node #0,2,3 Current State: 75:[84, 77], Operations: ['86-2=84', '90-13=77'] Exploring Operation: 84-77=7, Resulting Numbers: [7] 7,75 unequal: No Solution Exploring Operation: 84+77=161, Resulting Numbers: [161] 161,75 unequal: No Solution Exploring Operation: 84*77=6468, Resulting Numbers: [6468] 6468,75 unequal: No Solution Moving to Node #0,2,2 Current State: 75:[90, 71], Operations: ['86-2=84', '84-13=71'] Exploring Operation: 90-71=19, Resulting Numbers: [19] 19,75 unequal: No Solution Exploring Operation: 90+71=161, Resulting Numbers: [161] 161,75 unequal: No Solution Exploring Operation: 90*71=6390, Resulting Numbers: [6390] 6390,75 unequal: No Solution Moving to Node #0,2,0 Current State: 75:[90, 97], Operations: ['86-2=84', '13+84=97'] Exploring Operation: 90+97=187, Resulting Numbers: [187] 187,75 unequal: No Solution Exploring Operation: 97-90=7, Resulting Numbers: [7] 7,75 unequal: No Solution Exploring Operation: 90*97=8730, Resulting Numbers: [8730] 8730,75 unequal: No Solution Moving to Node #0,2,1 Current State: 75:[84, 103], Operations: ['86-2=84', '13+90=103'] Exploring Operation: 103-84=19, Resulting Numbers: [19] 19,75 unequal: No Solution Exploring Operation: 84+103=187, Resulting Numbers: [187] 187,75 unequal: No Solution Exploring Operation: 84*103=8652, Resulting Numbers: [8652] 8652,75 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
[ 30, 9, 19, 45 ]
13
[ "30+9=39", "45-19=26", "39-26=13" ]
Current State: 13:[30, 9, 19, 45], Operations: [] Exploring Operation: 30+9=39, Resulting Numbers: [19, 45, 39] Generated Node #2: [19, 45, 39] from Operation: 30+9=39 Current State: 13:[19, 45, 39], Operations: ['30+9=39'] Exploring Operation: 45-19=26, Resulting Numbers: [39, 26] Generated Node #3: [39, 26] from Operation: 45-19=26 Current State: 13:[39, 26], Operations: ['30+9=39', '45-19=26'] Exploring Operation: 39-26=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
4
Current State: 13:[30, 9, 19, 45], Operations: [] Exploring Operation: 30-19=11, Resulting Numbers: [9, 45, 11] Generated Node #0,0: 13:[9, 45, 11] Operation: 30-19=11 Exploring Operation: 45-30=15, Resulting Numbers: [9, 19, 15] Generated Node #0,1: 13:[9, 19, 15] Operation: 45-30=15 Exploring Operation: 45-19=26, Resulting Numbers: [30, 9, 26] Generated Node #0,2: 13:[30, 9, 26] Operation: 45-19=26 Exploring Operation: 30-9=21, Resulting Numbers: [19, 45, 21] Generated Node #0,3: 13:[19, 45, 21] Operation: 30-9=21 Exploring Operation: 45/9=5, Resulting Numbers: [30, 19, 5] Generated Node #0,4: 13:[30, 19, 5] Operation: 45/9=5 Moving to Node #0,1 Current State: 13:[9, 19, 15], Operations: ['45-30=15'] Exploring Operation: 19-15=4, Resulting Numbers: [9, 4] Generated Node #0,1,0: 13:[9, 4] Operation: 19-15=4 Exploring Operation: 9+19=28, Resulting Numbers: [15, 28] Generated Node #0,1,1: 13:[15, 28] Operation: 9+19=28 Exploring Operation: 19-9=10, Resulting Numbers: [15, 10] Generated Node #0,1,2: 13:[15, 10] Operation: 19-9=10 Exploring Operation: 15-9=6, Resulting Numbers: [19, 6] Generated Node #0,1,3: 13:[19, 6] Operation: 15-9=6 Exploring Operation: 9+15=24, Resulting Numbers: [19, 24] Generated Node #0,1,4: 13:[19, 24] Operation: 9+15=24 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 13:[15, 10], Operations: ['45-30=15', '19-9=10'] Exploring Operation: 15*10=150, Resulting Numbers: [150] 150,13 unequal: No Solution Exploring Operation: 15+10=25, Resulting Numbers: [25] 25,13 unequal: No Solution Exploring Operation: 15-10=5, Resulting Numbers: [5] 5,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 13:[9, 4], Operations: ['45-30=15', '19-15=4'] Exploring Operation: 9+4=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Moving to Node #0 Current State: 13:[30, 9, 19, 45], Operations: [] Exploring Operation: 45-30=15, Resulting Numbers: [9, 19, 15] Generated Node #0,1: 13:[9, 19, 15] Operation: 45-30=15 Moving to Node #0,1 Current State: 13:[9, 19, 15], Operations: ['45-30=15'] Exploring Operation: 19-15=4, Resulting Numbers: [9, 4] Generated Node #0,1,0: 13:[9, 4] Operation: 19-15=4 Moving to Node #0,1,0 Current State: 13:[9, 4], Operations: ['45-30=15', '19-15=4'] Exploring Operation: 9+4=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_5
mult_heuristic
[ 79, 57, 46, 90 ]
66
[ "79-57=22", "90-46=44", "22+44=66" ]
Current State: 66:[79, 57, 46, 90], Operations: [] Exploring Operation: 79-57=22, Resulting Numbers: [46, 90, 22] Generated Node #2: [46, 90, 22] from Operation: 79-57=22 Current State: 66:[46, 90, 22], Operations: ['79-57=22'] Exploring Operation: 90-46=44, Resulting Numbers: [22, 44] Generated Node #3: [22, 44] from Operation: 90-46=44 Current State: 66:[22, 44], Operations: ['79-57=22', '90-46=44'] Exploring Operation: 22+44=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
4
Current State: 66:[79, 57, 46, 90], Operations: [] Exploring Operation: 90-57=33, Resulting Numbers: [79, 46, 33] Generated Node #0,0: 66:[79, 46, 33] Operation: 90-57=33 Exploring Operation: 79-46=33, Resulting Numbers: [57, 90, 33] Generated Node #0,1: 66:[57, 90, 33] Operation: 79-46=33 Exploring Operation: 79-57=22, Resulting Numbers: [46, 90, 22] Generated Node #0,2: 66:[46, 90, 22] Operation: 79-57=22 Exploring Operation: 90-46=44, Resulting Numbers: [79, 57, 44] Generated Node #0,3: 66:[79, 57, 44] Operation: 90-46=44 Exploring Operation: 90-79=11, Resulting Numbers: [57, 46, 11] Generated Node #0,4: 66:[57, 46, 11] Operation: 90-79=11 Moving to Node #0,4 Current State: 66:[57, 46, 11], Operations: ['90-79=11'] Exploring Operation: 57-11=46, Resulting Numbers: [46, 46] Generated Node #0,4,0: 66:[46, 46] Operation: 57-11=46 Exploring Operation: 46-11=35, Resulting Numbers: [57, 35] Generated Node #0,4,1: 66:[57, 35] Operation: 46-11=35 Exploring Operation: 57+11=68, Resulting Numbers: [46, 68] Generated Node #0,4,2: 66:[46, 68] Operation: 57+11=68 Exploring Operation: 57-46=11, Resulting Numbers: [11, 11] Generated Node #0,4,3: 66:[11, 11] Operation: 57-46=11 Exploring Operation: 46+11=57, Resulting Numbers: [57, 57] Generated Node #0,4,4: 66:[57, 57] Operation: 46+11=57 Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 66:[11, 11], Operations: ['90-79=11', '57-46=11'] Exploring Operation: 11/11=1, Resulting Numbers: [1] 1,66 unequal: No Solution Exploring Operation: 11*11=121, Resulting Numbers: [121] 121,66 unequal: No Solution Exploring Operation: 11+11=22, Resulting Numbers: [22] 22,66 unequal: No Solution Exploring Operation: 11-11=0, Resulting Numbers: [0] 0,66 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 #0,4,1 Current State: 66:[57, 35], Operations: ['90-79=11', '46-11=35'] Exploring Operation: 57+35=92, Resulting Numbers: [92] 92,66 unequal: No Solution Exploring Operation: 57*35=1995, Resulting Numbers: [1995] 1995,66 unequal: No Solution Exploring Operation: 57-35=22, Resulting Numbers: [22] 22,66 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 #0,4,2 Current State: 66:[46, 68], Operations: ['90-79=11', '57+11=68'] Exploring Operation: 46*68=3128, Resulting Numbers: [3128] 3128,66 unequal: No Solution Exploring Operation: 46+68=114, Resulting Numbers: [114] 114,66 unequal: No Solution Exploring Operation: 68-46=22, Resulting Numbers: [22] 22,66 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 #0,4,4 Current State: 66:[57, 57], Operations: ['90-79=11', '46+11=57'] Exploring Operation: 57-57=0, Resulting Numbers: [0] 0,66 unequal: No Solution Exploring Operation: 57+57=114, Resulting Numbers: [114] 114,66 unequal: No Solution Exploring Operation: 57*57=3249, Resulting Numbers: [3249] 3249,66 unequal: No Solution Exploring Operation: 57/57=1, Resulting Numbers: [1] 1,66 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 #0,4,0 Current State: 66:[46, 46], Operations: ['90-79=11', '57-11=46'] Exploring Operation: 46/46=1, Resulting Numbers: [1] 1,66 unequal: No Solution Exploring Operation: 46*46=2116, Resulting Numbers: [2116] 2116,66 unequal: No Solution Exploring Operation: 46-46=0, Resulting Numbers: [0] 0,66 unequal: No Solution Exploring Operation: 46+46=92, Resulting Numbers: [92] 92,66 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: 66:[79, 46, 33], Operations: ['90-57=33'] Exploring Operation: 46+33=79, Resulting Numbers: [79, 79] Generated Node #0,0,0: 66:[79, 79] Operation: 46+33=79 Exploring Operation: 79-46=33, Resulting Numbers: [33, 33] Generated Node #0,0,1: 66:[33, 33] Operation: 79-46=33 Exploring Operation: 79-33=46, Resulting Numbers: [46, 46] Generated Node #0,0,2: 66:[46, 46] Operation: 79-33=46 Exploring Operation: 79+46=125, Resulting Numbers: [33, 125] Generated Node #0,0,3: 66:[33, 125] Operation: 79+46=125 Exploring Operation: 46-33=13, Resulting Numbers: [79, 13] Generated Node #0,0,4: 66:[79, 13] Operation: 46-33=13 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 66:[33, 33], Operations: ['90-57=33', '79-46=33'] Exploring Operation: 33-33=0, Resulting Numbers: [0] 0,66 unequal: No Solution Exploring Operation: 33/33=1, Resulting Numbers: [1] 1,66 unequal: No Solution Exploring Operation: 33+33=66, Resulting Numbers: [66] 66,66 equal: Goal Reached Moving to Node #0 Current State: 66:[79, 57, 46, 90], Operations: [] Exploring Operation: 90-57=33, Resulting Numbers: [79, 46, 33] Generated Node #0,0: 66:[79, 46, 33] Operation: 90-57=33 Moving to Node #0,0 Current State: 66:[79, 46, 33], Operations: ['90-57=33'] Exploring Operation: 79-46=33, Resulting Numbers: [33, 33] Generated Node #0,0,1: 66:[33, 33] Operation: 79-46=33 Moving to Node #0,0,1 Current State: 66:[33, 33], Operations: ['90-57=33', '79-46=33'] Exploring Operation: 33+33=66, Resulting Numbers: [66] 66,66 equal: Goal Reached Exit Sub Search at level 1
0.965278
hs_5
sum_heuristic
[ 12, 28, 48, 84 ]
25
[ "84-48=36", "36/12=3", "28-3=25" ]
Current State: 25:[12, 28, 48, 84], Operations: [] Exploring Operation: 84-48=36, Resulting Numbers: [12, 28, 36] Generated Node #2: [12, 28, 36] from Operation: 84-48=36 Current State: 25:[12, 28, 36], Operations: ['84-48=36'] Exploring Operation: 36/12=3, Resulting Numbers: [28, 3] Generated Node #3: [28, 3] from Operation: 36/12=3 Current State: 25:[28, 3], Operations: ['84-48=36', '36/12=3'] Exploring Operation: 28-3=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[12, 28, 48, 84], Operations: [] Exploring Operation: 84-48=36, Resulting Numbers: [12, 28, 36] Generated Node #0,0: 25:[12, 28, 36] Operation: 84-48=36 Start Sub Search at level 1: Moving to Node #0,0 Current State: 25:[12, 28, 36], Operations: ['84-48=36'] Exploring Operation: 36-12=24, Resulting Numbers: [28, 24] Generated Node #0,0,0: 25:[28, 24] Operation: 36-12=24 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 25:[28, 24], Operations: ['84-48=36', '36-12=24'] Exploring Operation: 28-24=4, Resulting Numbers: [4] 4,25 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 No solution found.
0
hs_1
sum_heuristic
[ 27, 55, 20, 4 ]
80
[ "27*20=540", "540/4=135", "135-55=80" ]
Current State: 80:[27, 55, 20, 4], Operations: [] Exploring Operation: 27*20=540, Resulting Numbers: [55, 4, 540] Generated Node #2: [55, 4, 540] from Operation: 27*20=540 Current State: 80:[55, 4, 540], Operations: ['27*20=540'] Exploring Operation: 540/4=135, Resulting Numbers: [55, 135] Generated Node #3: [55, 135] from Operation: 540/4=135 Current State: 80:[55, 135], Operations: ['27*20=540', '540/4=135'] Exploring Operation: 135-55=80, Resulting Numbers: [80] 80,80 equal: Goal Reached
4
Current State: 80:[27, 55, 20, 4], Operations: [] Exploring Operation: 27+55=82, Resulting Numbers: [20, 4, 82] Generated Node #0,0: 80:[20, 4, 82] Operation: 27+55=82 Moving to Node #0,0 Current State: 80:[20, 4, 82], Operations: ['27+55=82'] Exploring Operation: 20*4=80, Resulting Numbers: [82, 80] Generated Node #0,0,0: 80:[82, 80] Operation: 20*4=80 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 80:[82, 80], Operations: ['27+55=82', '20*4=80'] Exploring Operation: 82-80=2, Resulting Numbers: [2] 2,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 87, 22, 6, 10 ]
85
[ "22-10=12", "12/6=2", "87-2=85" ]
Current State: 85:[87, 22, 6, 10], Operations: [] Exploring Operation: 22-10=12, Resulting Numbers: [87, 6, 12] Generated Node #2: [87, 6, 12] from Operation: 22-10=12 Current State: 85:[87, 6, 12], Operations: ['22-10=12'] Exploring Operation: 12/6=2, Resulting Numbers: [87, 2] Generated Node #3: [87, 2] from Operation: 12/6=2 Current State: 85:[87, 2], Operations: ['22-10=12', '12/6=2'] Exploring Operation: 87-2=85, Resulting Numbers: [85] 85,85 equal: Goal Reached
4
Current State: 85:[87, 22, 6, 10], Operations: [] Exploring Operation: 22-10=12, Resulting Numbers: [87, 6, 12] Generated Node #0,0: 85:[87, 6, 12] Operation: 22-10=12 Exploring Operation: 22-6=16, Resulting Numbers: [87, 10, 16] Generated Node #0,1: 85:[87, 10, 16] Operation: 22-6=16 Exploring Operation: 6+10=16, Resulting Numbers: [87, 22, 16] Generated Node #0,2: 85:[87, 22, 16] Operation: 6+10=16 Exploring Operation: 10-6=4, Resulting Numbers: [87, 22, 4] Generated Node #0,3: 85:[87, 22, 4] Operation: 10-6=4 Moving to Node #0,0 Current State: 85:[87, 6, 12], Operations: ['22-10=12'] Exploring Operation: 6+12=18, Resulting Numbers: [87, 18] Generated Node #0,0,0: 85:[87, 18] Operation: 6+12=18 Exploring Operation: 87-6=81, Resulting Numbers: [12, 81] Generated Node #0,0,1: 85:[12, 81] Operation: 87-6=81 Exploring Operation: 12/6=2, Resulting Numbers: [87, 2] Generated Node #0,0,2: 85:[87, 2] Operation: 12/6=2 Exploring Operation: 12-6=6, Resulting Numbers: [87, 6] Generated Node #0,0,3: 85:[87, 6] Operation: 12-6=6 Moving to Node #0,2 Current State: 85:[87, 22, 16], Operations: ['6+10=16'] Exploring Operation: 87+16=103, Resulting Numbers: [22, 103] Generated Node #0,2,0: 85:[22, 103] Operation: 87+16=103 Exploring Operation: 22-16=6, Resulting Numbers: [87, 6] Generated Node #0,2,1: 85:[87, 6] Operation: 22-16=6 Exploring Operation: 87-16=71, Resulting Numbers: [22, 71] Generated Node #0,2,2: 85:[22, 71] Operation: 87-16=71 Exploring Operation: 87-22=65, Resulting Numbers: [16, 65] Generated Node #0,2,3: 85:[16, 65] Operation: 87-22=65 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 85:[87, 6], Operations: ['6+10=16', '22-16=6'] Exploring Operation: 87*6=522, Resulting Numbers: [522] 522,85 unequal: No Solution Exploring Operation: 87-6=81, Resulting Numbers: [81] 81,85 unequal: No Solution Exploring Operation: 87+6=93, Resulting Numbers: [93] 93,85 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:[22, 71], Operations: ['6+10=16', '87-16=71'] Exploring Operation: 71-22=49, Resulting Numbers: [49] 49,85 unequal: No Solution Exploring Operation: 22*71=1562, Resulting Numbers: [1562] 1562,85 unequal: No Solution Exploring Operation: 22+71=93, Resulting Numbers: [93] 93,85 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:[16, 65], Operations: ['6+10=16', '87-22=65'] Exploring Operation: 16+65=81, Resulting Numbers: [81] 81,85 unequal: No Solution Exploring Operation: 65-16=49, Resulting Numbers: [49] 49,85 unequal: No Solution Exploring Operation: 16*65=1040, Resulting Numbers: [1040] 1040,85 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:[22, 103], Operations: ['6+10=16', '87+16=103'] Exploring Operation: 22+103=125, Resulting Numbers: [125] 125,85 unequal: No Solution Exploring Operation: 103-22=81, Resulting Numbers: [81] 81,85 unequal: No Solution Exploring Operation: 22*103=2266, Resulting Numbers: [2266] 2266,85 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:[87, 10, 16], Operations: ['22-6=16'] Exploring Operation: 16-10=6, Resulting Numbers: [87, 6] Generated Node #0,1,0: 85:[87, 6] Operation: 16-10=6 Exploring Operation: 10+16=26, Resulting Numbers: [87, 26] Generated Node #0,1,1: 85:[87, 26] Operation: 10+16=26 Exploring Operation: 87-10=77, Resulting Numbers: [16, 77] Generated Node #0,1,2: 85:[16, 77] Operation: 87-10=77 Exploring Operation: 87+10=97, Resulting Numbers: [16, 97] Generated Node #0,1,3: 85:[16, 97] Operation: 87+10=97 Moving to Node #0,3 Current State: 85:[87, 22, 4], Operations: ['10-6=4'] Exploring Operation: 87-4=83, Resulting Numbers: [22, 83] Generated Node #0,3,0: 85:[22, 83] Operation: 87-4=83 Exploring Operation: 22*4=88, Resulting Numbers: [87, 88] Generated Node #0,3,1: 85:[87, 88] Operation: 22*4=88 Exploring Operation: 22-4=18, Resulting Numbers: [87, 18] Generated Node #0,3,2: 85:[87, 18] Operation: 22-4=18 Exploring Operation: 87+4=91, Resulting Numbers: [22, 91] Generated Node #0,3,3: 85:[22, 91] Operation: 87+4=91 Moving to Node #0,0,0 Current State: 85:[87, 18], Operations: ['22-10=12', '6+12=18'] Exploring Operation: 87-18=69, Resulting Numbers: [69] 69,85 unequal: No Solution Exploring Operation: 87+18=105, Resulting Numbers: [105] 105,85 unequal: No Solution Exploring Operation: 87*18=1566, Resulting Numbers: [1566] 1566,85 unequal: No Solution Moving to Node #0,0,3 Current State: 85:[87, 6], Operations: ['22-10=12', '12-6=6'] Exploring Operation: 87*6=522, Resulting Numbers: [522] 522,85 unequal: No Solution Exploring Operation: 87+6=93, Resulting Numbers: [93] 93,85 unequal: No Solution Exploring Operation: 87-6=81, Resulting Numbers: [81] 81,85 unequal: No Solution Moving to Node #0,1,0 Current State: 85:[87, 6], Operations: ['22-6=16', '16-10=6'] Exploring Operation: 87-6=81, Resulting Numbers: [81] 81,85 unequal: No Solution Exploring Operation: 87*6=522, Resulting Numbers: [522] 522,85 unequal: No Solution Exploring Operation: 87+6=93, Resulting Numbers: [93] 93,85 unequal: No Solution Moving to Node #0,3,2 Current State: 85:[87, 18], Operations: ['10-6=4', '22-4=18'] Exploring Operation: 87*18=1566, Resulting Numbers: [1566] 1566,85 unequal: No Solution Exploring Operation: 87-18=69, Resulting Numbers: [69] 69,85 unequal: No Solution Exploring Operation: 87+18=105, Resulting Numbers: [105] 105,85 unequal: No Solution Moving to Node #0,0,2 Current State: 85:[87, 2], Operations: ['22-10=12', '12/6=2'] Exploring Operation: 87-2=85, Resulting Numbers: [85] 85,85 equal: Goal Reached Moving to Node #0 Current State: 85:[87, 22, 6, 10], Operations: [] Exploring Operation: 22-10=12, Resulting Numbers: [87, 6, 12] Generated Node #0,0: 85:[87, 6, 12] Operation: 22-10=12 Moving to Node #0,0 Current State: 85:[87, 6, 12], Operations: ['22-10=12'] Exploring Operation: 12/6=2, Resulting Numbers: [87, 2] Generated Node #0,0,2: 85:[87, 2] Operation: 12/6=2 Moving to Node #0,0,2 Current State: 85:[87, 2], Operations: ['22-10=12', '12/6=2'] Exploring Operation: 87-2=85, Resulting Numbers: [85] 85,85 equal: Goal Reached
0.957465
hs_4
mult_heuristic
[ 22, 64, 13, 15 ]
54
[ "64*13=832", "832-22=810", "810/15=54" ]
Current State: 54:[22, 64, 13, 15], Operations: [] Exploring Operation: 64*13=832, Resulting Numbers: [22, 15, 832] Generated Node #2: [22, 15, 832] from Operation: 64*13=832 Current State: 54:[22, 15, 832], Operations: ['64*13=832'] Exploring Operation: 832-22=810, Resulting Numbers: [15, 810] Generated Node #3: [15, 810] from Operation: 832-22=810 Current State: 54:[15, 810], Operations: ['64*13=832', '832-22=810'] Exploring Operation: 810/15=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
4
Current State: 54:[22, 64, 13, 15], Operations: [] Exploring Operation: 22-13=9, Resulting Numbers: [64, 15, 9] Generated Node #0,0: 54:[64, 15, 9] Operation: 22-13=9 Exploring Operation: 64-15=49, Resulting Numbers: [22, 13, 49] Generated Node #0,1: 54:[22, 13, 49] Operation: 64-15=49 Exploring Operation: 64-13=51, Resulting Numbers: [22, 15, 51] Generated Node #0,2: 54:[22, 15, 51] Operation: 64-13=51 Start Sub Search at level 1: Moving to Node #0,2 Current State: 54:[22, 15, 51], Operations: ['64-13=51'] Exploring Operation: 22-15=7, Resulting Numbers: [51, 7] Generated Node #0,2,0: 54:[51, 7] Operation: 22-15=7 Exploring Operation: 22+15=37, Resulting Numbers: [51, 37] Generated Node #0,2,1: 54:[51, 37] Operation: 22+15=37 Exploring Operation: 51-22=29, Resulting Numbers: [15, 29] Generated Node #0,2,2: 54:[15, 29] Operation: 51-22=29 Moving to Node #0,2,0 Current State: 54:[51, 7], Operations: ['64-13=51', '22-15=7'] Exploring Operation: 51*7=357, Resulting Numbers: [357] 357,54 unequal: No Solution Exploring Operation: 51-7=44, Resulting Numbers: [44] 44,54 unequal: No Solution Exploring Operation: 51+7=58, Resulting Numbers: [58] 58,54 unequal: No Solution Moving to Node #0,2,2 Current State: 54:[15, 29], Operations: ['64-13=51', '51-22=29'] Exploring Operation: 15*29=435, Resulting Numbers: [435] 435,54 unequal: No Solution Exploring Operation: 29-15=14, Resulting Numbers: [14] 14,54 unequal: No Solution Exploring Operation: 15+29=44, Resulting Numbers: [44] 44,54 unequal: No Solution Moving to Node #0,2,1 Current State: 54:[51, 37], Operations: ['64-13=51', '22+15=37'] Exploring Operation: 51+37=88, Resulting Numbers: [88] 88,54 unequal: No Solution Exploring Operation: 51-37=14, Resulting Numbers: [14] 14,54 unequal: No Solution Exploring Operation: 51*37=1887, Resulting Numbers: [1887] 1887,54 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 #0,0 Current State: 54:[64, 15, 9], Operations: ['22-13=9'] Exploring Operation: 64-9=55, Resulting Numbers: [15, 55] Generated Node #0,0,0: 54:[15, 55] Operation: 64-9=55 Exploring Operation: 15-9=6, Resulting Numbers: [64, 6] Generated Node #0,0,1: 54:[64, 6] Operation: 15-9=6 Exploring Operation: 64-15=49, Resulting Numbers: [9, 49] Generated Node #0,0,2: 54:[9, 49] Operation: 64-15=49 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 54:[15, 55], Operations: ['22-13=9', '64-9=55'] Exploring Operation: 15*55=825, Resulting Numbers: [825] 825,54 unequal: No Solution Exploring Operation: 15+55=70, Resulting Numbers: [70] 70,54 unequal: No Solution Exploring Operation: 55-15=40, Resulting Numbers: [40] 40,54 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 54:[9, 49], Operations: ['22-13=9', '64-15=49'] Exploring Operation: 9+49=58, Resulting Numbers: [58] 58,54 unequal: No Solution Exploring Operation: 9*49=441, Resulting Numbers: [441] 441,54 unequal: No Solution Exploring Operation: 49-9=40, Resulting Numbers: [40] 40,54 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 54:[64, 6], Operations: ['22-13=9', '15-9=6'] Exploring Operation: 64-6=58, Resulting Numbers: [58] 58,54 unequal: No Solution Exploring Operation: 64+6=70, Resulting Numbers: [70] 70,54 unequal: No Solution Exploring Operation: 64*6=384, Resulting Numbers: [384] 384,54 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:[22, 13, 49], Operations: ['64-15=49'] Exploring Operation: 13+49=62, Resulting Numbers: [22, 62] Generated Node #0,1,0: 54:[22, 62] Operation: 13+49=62 Exploring Operation: 49-22=27, Resulting Numbers: [13, 27] Generated Node #0,1,1: 54:[13, 27] Operation: 49-22=27 Exploring Operation: 22-13=9, Resulting Numbers: [49, 9] Generated Node #0,1,2: 54:[49, 9] Operation: 22-13=9 Moving to Node #0,1,1 Current State: 54:[13, 27], Operations: ['64-15=49', '49-22=27'] Exploring Operation: 13+27=40, Resulting Numbers: [40] 40,54 unequal: No Solution Exploring Operation: 13*27=351, Resulting Numbers: [351] 351,54 unequal: No Solution Exploring Operation: 27-13=14, Resulting Numbers: [14] 14,54 unequal: No Solution Moving to Node #0,1,2 Current State: 54:[49, 9], Operations: ['64-15=49', '22-13=9'] Exploring Operation: 49*9=441, Resulting Numbers: [441] 441,54 unequal: No Solution Exploring Operation: 49+9=58, Resulting Numbers: [58] 58,54 unequal: No Solution Exploring Operation: 49-9=40, Resulting Numbers: [40] 40,54 unequal: No Solution Moving to Node #0,1,0 Current State: 54:[22, 62], Operations: ['64-15=49', '13+49=62'] Exploring Operation: 22+62=84, Resulting Numbers: [84] 84,54 unequal: No Solution Exploring Operation: 22*62=1364, Resulting Numbers: [1364] 1364,54 unequal: No Solution Exploring Operation: 62-22=40, Resulting Numbers: [40] 40,54 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
[ 34, 98, 15, 32 ]
85
[ "34+98=132", "15+32=47", "132-47=85" ]
Current State: 85:[34, 98, 15, 32], Operations: [] Exploring Operation: 34+98=132, Resulting Numbers: [15, 32, 132] Generated Node #2: [15, 32, 132] from Operation: 34+98=132 Current State: 85:[15, 32, 132], Operations: ['34+98=132'] Exploring Operation: 15+32=47, Resulting Numbers: [132, 47] Generated Node #3: [132, 47] from Operation: 15+32=47 Current State: 85:[132, 47], Operations: ['34+98=132', '15+32=47'] Exploring Operation: 132-47=85, Resulting Numbers: [85] 85,85 equal: Goal Reached
4
Current State: 85:[34, 98, 15, 32], Operations: [] Exploring Operation: 34-32=2, Resulting Numbers: [98, 15, 2] Generated Node #0,0: 85:[98, 15, 2] Operation: 34-32=2 Moving to Node #0,0 Current State: 85:[98, 15, 2], Operations: ['34-32=2'] Exploring Operation: 98-15=83, Resulting Numbers: [2, 83] Generated Node #0,0,0: 85:[2, 83] Operation: 98-15=83 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 85:[2, 83], Operations: ['34-32=2', '98-15=83'] Exploring Operation: 2+83=85, Resulting Numbers: [85] 85,85 equal: Goal Reached Moving to Node #0 Current State: 85:[34, 98, 15, 32], Operations: [] Exploring Operation: 34-32=2, Resulting Numbers: [98, 15, 2] Generated Node #0,0: 85:[98, 15, 2] Operation: 34-32=2 Moving to Node #0,0 Current State: 85:[98, 15, 2], Operations: ['34-32=2'] Exploring Operation: 98-15=83, Resulting Numbers: [2, 83] Generated Node #0,0,0: 85:[2, 83] Operation: 98-15=83 Moving to Node #0,0,0 Current State: 85:[2, 83], Operations: ['34-32=2', '98-15=83'] Exploring Operation: 2+83=85, Resulting Numbers: [85] 85,85 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 66, 18, 99, 89 ]
58
[ "66-18=48", "99-89=10", "48+10=58" ]
Current State: 58:[66, 18, 99, 89], Operations: [] Exploring Operation: 66-18=48, Resulting Numbers: [99, 89, 48] Generated Node #2: [99, 89, 48] from Operation: 66-18=48 Current State: 58:[99, 89, 48], Operations: ['66-18=48'] Exploring Operation: 99-89=10, Resulting Numbers: [48, 10] Generated Node #3: [48, 10] from Operation: 99-89=10 Current State: 58:[48, 10], Operations: ['66-18=48', '99-89=10'] Exploring Operation: 48+10=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[66, 18, 99, 89], Operations: [] Exploring Operation: 89-66=23, Resulting Numbers: [18, 99, 23] Generated Node #0,0: 58:[18, 99, 23] Operation: 89-66=23 Exploring Operation: 99-66=33, Resulting Numbers: [18, 89, 33] Generated Node #0,1: 58:[18, 89, 33] Operation: 99-66=33 Exploring Operation: 99-89=10, Resulting Numbers: [66, 18, 10] Generated Node #0,2: 58:[66, 18, 10] Operation: 99-89=10 Start Sub Search at level 1: Moving to Node #0,2 Current State: 58:[66, 18, 10], Operations: ['99-89=10'] Exploring Operation: 66-10=56, Resulting Numbers: [18, 56] Generated Node #0,2,0: 58:[18, 56] Operation: 66-10=56 Exploring Operation: 18+10=28, Resulting Numbers: [66, 28] Generated Node #0,2,1: 58:[66, 28] Operation: 18+10=28 Exploring Operation: 18-10=8, Resulting Numbers: [66, 8] Generated Node #0,2,2: 58:[66, 8] Operation: 18-10=8 Moving to Node #0,2,1 Current State: 58:[66, 28], Operations: ['99-89=10', '18+10=28'] Exploring Operation: 66-28=38, Resulting Numbers: [38] 38,58 unequal: No Solution Exploring Operation: 66*28=1848, Resulting Numbers: [1848] 1848,58 unequal: No Solution Exploring Operation: 66+28=94, Resulting Numbers: [94] 94,58 unequal: No Solution Moving to Node #0,2,0 Current State: 58:[18, 56], Operations: ['99-89=10', '66-10=56'] Exploring Operation: 56-18=38, Resulting Numbers: [38] 38,58 unequal: No Solution Exploring Operation: 18+56=74, Resulting Numbers: [74] 74,58 unequal: No Solution Exploring Operation: 18*56=1008, Resulting Numbers: [1008] 1008,58 unequal: No Solution Moving to Node #0,2,2 Current State: 58:[66, 8], Operations: ['99-89=10', '18-10=8'] Exploring Operation: 66-8=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Moving to Node #0 Current State: 58:[66, 18, 99, 89], Operations: [] Exploring Operation: 99-89=10, Resulting Numbers: [66, 18, 10] Generated Node #0,2: 58:[66, 18, 10] Operation: 99-89=10 Moving to Node #0,2 Current State: 58:[66, 18, 10], Operations: ['99-89=10'] Exploring Operation: 18-10=8, Resulting Numbers: [66, 8] Generated Node #0,2,2: 58:[66, 8] Operation: 18-10=8 Moving to Node #0,2,2 Current State: 58:[66, 8], Operations: ['99-89=10', '18-10=8'] Exploring Operation: 66-8=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_3
mult_heuristic
[ 56, 84, 21, 75 ]
36
[ "75-21=54", "56*54=3024", "3024/84=36" ]
Current State: 36:[56, 84, 21, 75], Operations: [] Exploring Operation: 75-21=54, Resulting Numbers: [56, 84, 54] Generated Node #2: [56, 84, 54] from Operation: 75-21=54 Current State: 36:[56, 84, 54], Operations: ['75-21=54'] Exploring Operation: 56*54=3024, Resulting Numbers: [84, 3024] Generated Node #3: [84, 3024] from Operation: 56*54=3024 Current State: 36:[84, 3024], Operations: ['75-21=54', '56*54=3024'] Exploring Operation: 3024/84=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
4
Current State: 36:[56, 84, 21, 75], Operations: [] Exploring Operation: 75-56=19, Resulting Numbers: [84, 21, 19] Generated Node #0,0: 36:[84, 21, 19] Operation: 75-56=19 Exploring Operation: 84-56=28, Resulting Numbers: [21, 75, 28] Generated Node #0,1: 36:[21, 75, 28] Operation: 84-56=28 Exploring Operation: 84-75=9, Resulting Numbers: [56, 21, 9] Generated Node #0,2: 36:[56, 21, 9] Operation: 84-75=9 Exploring Operation: 84/21=4, Resulting Numbers: [56, 75, 4] Generated Node #0,3: 36:[56, 75, 4] Operation: 84/21=4 Exploring Operation: 84-21=63, Resulting Numbers: [56, 75, 63] Generated Node #0,4: 36:[56, 75, 63] Operation: 84-21=63 Moving to Node #0,2 Current State: 36:[56, 21, 9], Operations: ['84-75=9'] Exploring Operation: 21-9=12, Resulting Numbers: [56, 12] Generated Node #0,2,0: 36:[56, 12] Operation: 21-9=12 Exploring Operation: 21+9=30, Resulting Numbers: [56, 30] Generated Node #0,2,1: 36:[56, 30] Operation: 21+9=30 Exploring Operation: 56+9=65, Resulting Numbers: [21, 65] Generated Node #0,2,2: 36:[21, 65] Operation: 56+9=65 Exploring Operation: 56-9=47, Resulting Numbers: [21, 47] Generated Node #0,2,3: 36:[21, 47] Operation: 56-9=47 Exploring Operation: 56-21=35, Resulting Numbers: [9, 35] Generated Node #0,2,4: 36:[9, 35] Operation: 56-21=35 Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 36:[9, 35], Operations: ['84-75=9', '56-21=35'] Exploring Operation: 35-9=26, Resulting Numbers: [26] 26,36 unequal: No Solution Exploring Operation: 9*35=315, Resulting Numbers: [315] 315,36 unequal: No Solution Exploring Operation: 9+35=44, Resulting Numbers: [44] 44,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 36:[21, 47], Operations: ['84-75=9', '56-9=47'] Exploring Operation: 21*47=987, Resulting Numbers: [987] 987,36 unequal: No Solution Exploring Operation: 47-21=26, Resulting Numbers: [26] 26,36 unequal: No Solution Exploring Operation: 21+47=68, Resulting Numbers: [68] 68,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 36:[56, 12], Operations: ['84-75=9', '21-9=12'] Exploring Operation: 56*12=672, Resulting Numbers: [672] 672,36 unequal: No Solution Exploring Operation: 56-12=44, Resulting Numbers: [44] 44,36 unequal: No Solution Exploring Operation: 56+12=68, Resulting Numbers: [68] 68,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 36:[56, 30], Operations: ['84-75=9', '21+9=30'] Exploring Operation: 56+30=86, Resulting Numbers: [86] 86,36 unequal: No Solution Exploring Operation: 56-30=26, Resulting Numbers: [26] 26,36 unequal: No Solution Exploring Operation: 56*30=1680, Resulting Numbers: [1680] 1680,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 36:[21, 65], Operations: ['84-75=9', '56+9=65'] Exploring Operation: 21+65=86, Resulting Numbers: [86] 86,36 unequal: No Solution Exploring Operation: 65-21=44, Resulting Numbers: [44] 44,36 unequal: No Solution Exploring Operation: 21*65=1365, Resulting Numbers: [1365] 1365,36 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: 36:[21, 75, 28], Operations: ['84-56=28'] Exploring Operation: 75-21=54, Resulting Numbers: [28, 54] Generated Node #0,1,0: 36:[28, 54] Operation: 75-21=54 Exploring Operation: 21+75=96, Resulting Numbers: [28, 96] Generated Node #0,1,1: 36:[28, 96] Operation: 21+75=96 Exploring Operation: 28-21=7, Resulting Numbers: [75, 7] Generated Node #0,1,2: 36:[75, 7] Operation: 28-21=7 Exploring Operation: 75-28=47, Resulting Numbers: [21, 47] Generated Node #0,1,3: 36:[21, 47] Operation: 75-28=47 Exploring Operation: 21+28=49, Resulting Numbers: [75, 49] Generated Node #0,1,4: 36:[75, 49] Operation: 21+28=49 Moving to Node #0,0 Current State: 36:[84, 21, 19], Operations: ['75-56=19'] Exploring Operation: 84-19=65, Resulting Numbers: [21, 65] Generated Node #0,0,0: 36:[21, 65] Operation: 84-19=65 Exploring Operation: 21-19=2, Resulting Numbers: [84, 2] Generated Node #0,0,1: 36:[84, 2] Operation: 21-19=2 Exploring Operation: 84-21=63, Resulting Numbers: [19, 63] Generated Node #0,0,2: 36:[19, 63] Operation: 84-21=63 Exploring Operation: 21+19=40, Resulting Numbers: [84, 40] Generated Node #0,0,3: 36:[84, 40] Operation: 21+19=40 Exploring Operation: 84/21=4, Resulting Numbers: [19, 4] Generated Node #0,0,4: 36:[19, 4] Operation: 84/21=4 Moving to Node #0,3 Current State: 36:[56, 75, 4], Operations: ['84/21=4'] Exploring Operation: 75-56=19, Resulting Numbers: [4, 19] Generated Node #0,3,0: 36:[4, 19] Operation: 75-56=19 Exploring Operation: 75-4=71, Resulting Numbers: [56, 71] Generated Node #0,3,1: 36:[56, 71] Operation: 75-4=71 Exploring Operation: 56/4=14, Resulting Numbers: [75, 14] Generated Node #0,3,2: 36:[75, 14] Operation: 56/4=14 Exploring Operation: 56-4=52, Resulting Numbers: [75, 52] Generated Node #0,3,3: 36:[75, 52] Operation: 56-4=52 Exploring Operation: 56+4=60, Resulting Numbers: [75, 60] Generated Node #0,3,4: 36:[75, 60] Operation: 56+4=60 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 36:[4, 19], Operations: ['84/21=4', '75-56=19'] Exploring Operation: 4+19=23, Resulting Numbers: [23] 23,36 unequal: No Solution Exploring Operation: 19-4=15, Resulting Numbers: [15] 15,36 unequal: No Solution Exploring Operation: 4*19=76, Resulting Numbers: [76] 76,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 36:[75, 14], Operations: ['84/21=4', '56/4=14'] Exploring Operation: 75*14=1050, Resulting Numbers: [1050] 1050,36 unequal: No Solution Exploring Operation: 75+14=89, Resulting Numbers: [89] 89,36 unequal: No Solution Exploring Operation: 75-14=61, Resulting Numbers: [61] 61,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 36:[56, 71], Operations: ['84/21=4', '75-4=71'] Exploring Operation: 71-56=15, Resulting Numbers: [15] 15,36 unequal: No Solution Exploring Operation: 56*71=3976, Resulting Numbers: [3976] 3976,36 unequal: No Solution Exploring Operation: 56+71=127, Resulting Numbers: [127] 127,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 36:[75, 52], Operations: ['84/21=4', '56-4=52'] Exploring Operation: 75-52=23, Resulting Numbers: [23] 23,36 unequal: No Solution Exploring Operation: 75*52=3900, Resulting Numbers: [3900] 3900,36 unequal: No Solution Exploring Operation: 75+52=127, Resulting Numbers: [127] 127,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 36:[75, 60], Operations: ['84/21=4', '56+4=60'] Exploring Operation: 75*60=4500, Resulting Numbers: [4500] 4500,36 unequal: No Solution Exploring Operation: 75-60=15, Resulting Numbers: [15] 15,36 unequal: No Solution Exploring Operation: 75+60=135, Resulting Numbers: [135] 135,36 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: 36:[56, 75, 63], Operations: ['84-21=63'] Exploring Operation: 56+63=119, Resulting Numbers: [75, 119] Generated Node #0,4,0: 36:[75, 119] Operation: 56+63=119 Exploring Operation: 75-63=12, Resulting Numbers: [56, 12] Generated Node #0,4,1: 36:[56, 12] Operation: 75-63=12 Exploring Operation: 75-56=19, Resulting Numbers: [63, 19] Generated Node #0,4,2: 36:[63, 19] Operation: 75-56=19 Exploring Operation: 56+75=131, Resulting Numbers: [63, 131] Generated Node #0,4,3: 36:[63, 131] Operation: 56+75=131 Exploring Operation: 63-56=7, Resulting Numbers: [75, 7] Generated Node #0,4,4: 36:[75, 7] Operation: 63-56=7 Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 36:[56, 12], Operations: ['84-21=63', '75-63=12'] Exploring Operation: 56-12=44, Resulting Numbers: [44] 44,36 unequal: No Solution Exploring Operation: 56+12=68, Resulting Numbers: [68] 68,36 unequal: No Solution Exploring Operation: 56*12=672, Resulting Numbers: [672] 672,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 36:[63, 19], Operations: ['84-21=63', '75-56=19'] Exploring Operation: 63+19=82, Resulting Numbers: [82] 82,36 unequal: No Solution Exploring Operation: 63*19=1197, Resulting Numbers: [1197] 1197,36 unequal: No Solution Exploring Operation: 63-19=44, Resulting Numbers: [44] 44,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 36:[75, 7], Operations: ['84-21=63', '63-56=7'] Exploring Operation: 75-7=68, Resulting Numbers: [68] 68,36 unequal: No Solution Exploring Operation: 75+7=82, Resulting Numbers: [82] 82,36 unequal: No Solution Exploring Operation: 75*7=525, Resulting Numbers: [525] 525,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 36:[75, 119], Operations: ['84-21=63', '56+63=119'] Exploring Operation: 119-75=44, Resulting Numbers: [44] 44,36 unequal: No Solution Exploring Operation: 75+119=194, Resulting Numbers: [194] 194,36 unequal: No Solution Exploring Operation: 75*119=8925, Resulting Numbers: [8925] 8925,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 36:[63, 131], Operations: ['84-21=63', '56+75=131'] Exploring Operation: 131-63=68, Resulting Numbers: [68] 68,36 unequal: No Solution Exploring Operation: 63+131=194, Resulting Numbers: [194] 194,36 unequal: No Solution Exploring Operation: 63*131=8253, Resulting Numbers: [8253] 8253,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,4 Current State: 36:[19, 4], Operations: ['75-56=19', '84/21=4'] Exploring Operation: 19*4=76, Resulting Numbers: [76] 76,36 unequal: No Solution Exploring Operation: 19-4=15, Resulting Numbers: [15] 15,36 unequal: No Solution Exploring Operation: 19+4=23, Resulting Numbers: [23] 23,36 unequal: No Solution Moving to Node #0,1,3 Current State: 36:[21, 47], Operations: ['84-56=28', '75-28=47'] Exploring Operation: 21+47=68, Resulting Numbers: [68] 68,36 unequal: No Solution Exploring Operation: 47-21=26, Resulting Numbers: [26] 26,36 unequal: No Solution Exploring Operation: 21*47=987, Resulting Numbers: [987] 987,36 unequal: No Solution Moving to Node #0,1,0 Current State: 36:[28, 54], Operations: ['84-56=28', '75-21=54'] Exploring Operation: 54-28=26, Resulting Numbers: [26] 26,36 unequal: No Solution Exploring Operation: 28*54=1512, Resulting Numbers: [1512] 1512,36 unequal: No Solution Exploring Operation: 28+54=82, Resulting Numbers: [82] 82,36 unequal: No Solution Moving to Node #0,0,2 Current State: 36:[19, 63], Operations: ['75-56=19', '84-21=63'] Exploring Operation: 19*63=1197, Resulting Numbers: [1197] 1197,36 unequal: No Solution Exploring Operation: 19+63=82, Resulting Numbers: [82] 82,36 unequal: No Solution Exploring Operation: 63-19=44, Resulting Numbers: [44] 44,36 unequal: No Solution Moving to Node #0,0,0 Current State: 36:[21, 65], Operations: ['75-56=19', '84-19=65'] Exploring Operation: 21*65=1365, Resulting Numbers: [1365] 1365,36 unequal: No Solution Exploring Operation: 65-21=44, Resulting Numbers: [44] 44,36 unequal: No Solution Exploring Operation: 21+65=86, Resulting Numbers: [86] 86,36 unequal: No Solution Moving to Node #0,1,2 Current State: 36:[75, 7], Operations: ['84-56=28', '28-21=7'] Exploring Operation: 75-7=68, Resulting Numbers: [68] 68,36 unequal: No Solution Exploring Operation: 75*7=525, Resulting Numbers: [525] 525,36 unequal: No Solution Exploring Operation: 75+7=82, Resulting Numbers: [82] 82,36 unequal: No Solution Moving to Node #0,0,1 Current State: 36:[84, 2], Operations: ['75-56=19', '21-19=2'] Exploring Operation: 84/2=42, Resulting Numbers: [42] 42,36 unequal: No Solution Exploring Operation: 84+2=86, Resulting Numbers: [86] 86,36 unequal: No Solution Exploring Operation: 84*2=168, Resulting Numbers: [168] 168,36 unequal: No Solution Exploring Operation: 84-2=82, Resulting Numbers: [82] 82,36 unequal: No Solution Moving to Node #0,1,4 Current State: 36:[75, 49], Operations: ['84-56=28', '21+28=49'] Exploring Operation: 75-49=26, Resulting Numbers: [26] 26,36 unequal: No Solution Exploring Operation: 75+49=124, Resulting Numbers: [124] 124,36 unequal: No Solution Exploring Operation: 75*49=3675, Resulting Numbers: [3675] 3675,36 unequal: No Solution Moving to Node #0,0,3 Current State: 36:[84, 40], Operations: ['75-56=19', '21+19=40'] Exploring Operation: 84+40=124, Resulting Numbers: [124] 124,36 unequal: No Solution Exploring Operation: 84*40=3360, Resulting Numbers: [3360] 3360,36 unequal: No Solution Exploring Operation: 84-40=44, Resulting Numbers: [44] 44,36 unequal: No Solution Moving to Node #0,1,1 Current State: 36:[28, 96], Operations: ['84-56=28', '21+75=96'] Exploring Operation: 96-28=68, Resulting Numbers: [68] 68,36 unequal: No Solution Exploring Operation: 28*96=2688, Resulting Numbers: [2688] 2688,36 unequal: No Solution Exploring Operation: 28+96=124, Resulting Numbers: [124] 124,36 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 47, 45, 69, 32 ]
39
[ "47-45=2", "69-32=37", "2+37=39" ]
Current State: 39:[47, 45, 69, 32], Operations: [] Exploring Operation: 47-45=2, Resulting Numbers: [69, 32, 2] Generated Node #2: [69, 32, 2] from Operation: 47-45=2 Current State: 39:[69, 32, 2], Operations: ['47-45=2'] Exploring Operation: 69-32=37, Resulting Numbers: [2, 37] Generated Node #3: [2, 37] from Operation: 69-32=37 Current State: 39:[2, 37], Operations: ['47-45=2', '69-32=37'] Exploring Operation: 2+37=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
4
Current State: 39:[47, 45, 69, 32], Operations: [] Exploring Operation: 69-32=37, Resulting Numbers: [47, 45, 37] Generated Node #0,0: 39:[47, 45, 37] Operation: 69-32=37 Moving to Node #0,0 Current State: 39:[47, 45, 37], Operations: ['69-32=37'] Exploring Operation: 47-45=2, Resulting Numbers: [37, 2] Generated Node #0,0,0: 39:[37, 2] Operation: 47-45=2 Moving to Node #0,0,0 Current State: 39:[37, 2], Operations: ['69-32=37', '47-45=2'] Exploring Operation: 37+2=39, Resulting Numbers: [39] 39,39 equal: Goal Reached Moving to Node #0 Current State: 39:[47, 45, 69, 32], Operations: [] Exploring Operation: 69-32=37, Resulting Numbers: [47, 45, 37] Generated Node #0,0: 39:[47, 45, 37] Operation: 69-32=37 Moving to Node #0,0 Current State: 39:[47, 45, 37], Operations: ['69-32=37'] Exploring Operation: 47-45=2, Resulting Numbers: [37, 2] Generated Node #0,0,0: 39:[37, 2] Operation: 47-45=2 Moving to Node #0,0,0 Current State: 39:[37, 2], Operations: ['69-32=37', '47-45=2'] Exploring Operation: 37+2=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
0.993924
hs_1
mult_heuristic
[ 17, 52, 6, 44 ]
15
[ "52-17=35", "6+44=50", "50-35=15" ]
Current State: 15:[17, 52, 6, 44], Operations: [] Exploring Operation: 52-17=35, Resulting Numbers: [6, 44, 35] Generated Node #2: [6, 44, 35] from Operation: 52-17=35 Current State: 15:[6, 44, 35], Operations: ['52-17=35'] Exploring Operation: 6+44=50, Resulting Numbers: [35, 50] Generated Node #3: [35, 50] from Operation: 6+44=50 Current State: 15:[35, 50], Operations: ['52-17=35', '6+44=50'] Exploring Operation: 50-35=15, Resulting Numbers: [15] 15,15 equal: Goal Reached
4
Current State: 15:[17, 52, 6, 44], Operations: [] Exploring Operation: 52-44=8, Resulting Numbers: [17, 6, 8] Generated Node #0,0: 15:[17, 6, 8] Operation: 52-44=8 Exploring Operation: 52-6=46, Resulting Numbers: [17, 44, 46] Generated Node #0,1: 15:[17, 44, 46] Operation: 52-6=46 Exploring Operation: 44-17=27, Resulting Numbers: [52, 6, 27] Generated Node #0,2: 15:[52, 6, 27] Operation: 44-17=27 Exploring Operation: 44-6=38, Resulting Numbers: [17, 52, 38] Generated Node #0,3: 15:[17, 52, 38] Operation: 44-6=38 Exploring Operation: 52-17=35, Resulting Numbers: [6, 44, 35] Generated Node #0,4: 15:[6, 44, 35] Operation: 52-17=35 Moving to Node #0,0 Current State: 15:[17, 6, 8], Operations: ['52-44=8'] Exploring Operation: 6+8=14, Resulting Numbers: [17, 14] Generated Node #0,0,0: 15:[17, 14] Operation: 6+8=14 Exploring Operation: 17-8=9, Resulting Numbers: [6, 9] Generated Node #0,0,1: 15:[6, 9] Operation: 17-8=9 Exploring Operation: 17-6=11, Resulting Numbers: [8, 11] Generated Node #0,0,2: 15:[8, 11] Operation: 17-6=11 Exploring Operation: 17+6=23, Resulting Numbers: [8, 23] Generated Node #0,0,3: 15:[8, 23] Operation: 17+6=23 Exploring Operation: 8-6=2, Resulting Numbers: [17, 2] Generated Node #0,0,4: 15:[17, 2] Operation: 8-6=2 Moving to Node #0,4 Current State: 15:[6, 44, 35], Operations: ['52-17=35'] Exploring Operation: 6+44=50, Resulting Numbers: [35, 50] Generated Node #0,4,0: 15:[35, 50] Operation: 6+44=50 Exploring Operation: 44-6=38, Resulting Numbers: [35, 38] Generated Node #0,4,1: 15:[35, 38] Operation: 44-6=38 Exploring Operation: 44-35=9, Resulting Numbers: [6, 9] Generated Node #0,4,2: 15:[6, 9] Operation: 44-35=9 Exploring Operation: 6+35=41, Resulting Numbers: [44, 41] Generated Node #0,4,3: 15:[44, 41] Operation: 6+35=41 Exploring Operation: 35-6=29, Resulting Numbers: [44, 29] Generated Node #0,4,4: 15:[44, 29] Operation: 35-6=29 Moving to Node #0,2 Current State: 15:[52, 6, 27], Operations: ['44-17=27'] Exploring Operation: 27-6=21, Resulting Numbers: [52, 21] Generated Node #0,2,0: 15:[52, 21] Operation: 27-6=21 Exploring Operation: 52+6=58, Resulting Numbers: [27, 58] Generated Node #0,2,1: 15:[27, 58] Operation: 52+6=58 Exploring Operation: 6+27=33, Resulting Numbers: [52, 33] Generated Node #0,2,2: 15:[52, 33] Operation: 6+27=33 Exploring Operation: 52-27=25, Resulting Numbers: [6, 25] Generated Node #0,2,3: 15:[6, 25] Operation: 52-27=25 Exploring Operation: 52-6=46, Resulting Numbers: [27, 46] Generated Node #0,2,4: 15:[27, 46] Operation: 52-6=46 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 15:[6, 25], Operations: ['44-17=27', '52-27=25'] Exploring Operation: 25-6=19, Resulting Numbers: [19] 19,15 unequal: No Solution Exploring Operation: 6+25=31, Resulting Numbers: [31] 31,15 unequal: No Solution Exploring Operation: 6*25=150, Resulting Numbers: [150] 150,15 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 15:[52, 21], Operations: ['44-17=27', '27-6=21'] Exploring Operation: 52*21=1092, Resulting Numbers: [1092] 1092,15 unequal: No Solution Exploring Operation: 52+21=73, Resulting Numbers: [73] 73,15 unequal: No Solution Exploring Operation: 52-21=31, Resulting Numbers: [31] 31,15 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 15:[27, 46], Operations: ['44-17=27', '52-6=46'] Exploring Operation: 27+46=73, Resulting Numbers: [73] 73,15 unequal: No Solution Exploring Operation: 27*46=1242, Resulting Numbers: [1242] 1242,15 unequal: No Solution Exploring Operation: 46-27=19, Resulting Numbers: [19] 19,15 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 15:[27, 58], Operations: ['44-17=27', '52+6=58'] Exploring Operation: 27+58=85, Resulting Numbers: [85] 85,15 unequal: No Solution Exploring Operation: 27*58=1566, Resulting Numbers: [1566] 1566,15 unequal: No Solution Exploring Operation: 58-27=31, Resulting Numbers: [31] 31,15 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 15:[52, 33], Operations: ['44-17=27', '6+27=33'] Exploring Operation: 52*33=1716, Resulting Numbers: [1716] 1716,15 unequal: No Solution Exploring Operation: 52+33=85, Resulting Numbers: [85] 85,15 unequal: No Solution Exploring Operation: 52-33=19, Resulting Numbers: [19] 19,15 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: 15:[17, 44, 46], Operations: ['52-6=46'] Exploring Operation: 17+46=63, Resulting Numbers: [44, 63] Generated Node #0,1,0: 15:[44, 63] Operation: 17+46=63 Exploring Operation: 17+44=61, Resulting Numbers: [46, 61] Generated Node #0,1,1: 15:[46, 61] Operation: 17+44=61 Exploring Operation: 46-17=29, Resulting Numbers: [44, 29] Generated Node #0,1,2: 15:[44, 29] Operation: 46-17=29 Exploring Operation: 44-17=27, Resulting Numbers: [46, 27] Generated Node #0,1,3: 15:[46, 27] Operation: 44-17=27 Exploring Operation: 46-44=2, Resulting Numbers: [17, 2] Generated Node #0,1,4: 15:[17, 2] Operation: 46-44=2 Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 15:[17, 2], Operations: ['52-6=46', '46-44=2'] Exploring Operation: 17+2=19, Resulting Numbers: [19] 19,15 unequal: No Solution Exploring Operation: 17-2=15, Resulting Numbers: [15] 15,15 equal: Goal Reached Moving to Node #0 Current State: 15:[17, 52, 6, 44], Operations: [] Exploring Operation: 52-6=46, Resulting Numbers: [17, 44, 46] Generated Node #0,1: 15:[17, 44, 46] Operation: 52-6=46 Moving to Node #0,1 Current State: 15:[17, 44, 46], Operations: ['52-6=46'] Exploring Operation: 46-44=2, Resulting Numbers: [17, 2] Generated Node #0,1,4: 15:[17, 2] Operation: 46-44=2 Moving to Node #0,1,4 Current State: 15:[17, 2], Operations: ['52-6=46', '46-44=2'] Exploring Operation: 17-2=15, Resulting Numbers: [15] 15,15 equal: Goal Reached Exit Sub Search at level 1
0.960069
hs_5
mult_heuristic
[ 61, 62, 56, 16 ]
35
[ "62-56=6", "16*6=96", "96-61=35" ]
Current State: 35:[61, 62, 56, 16], Operations: [] Exploring Operation: 62-56=6, Resulting Numbers: [61, 16, 6] Generated Node #2: [61, 16, 6] from Operation: 62-56=6 Current State: 35:[61, 16, 6], Operations: ['62-56=6'] Exploring Operation: 16*6=96, Resulting Numbers: [61, 96] Generated Node #3: [61, 96] from Operation: 16*6=96 Current State: 35:[61, 96], Operations: ['62-56=6', '16*6=96'] Exploring Operation: 96-61=35, Resulting Numbers: [35] 35,35 equal: Goal Reached
4
Current State: 35:[61, 62, 56, 16], Operations: [] Exploring Operation: 61-16=45, Resulting Numbers: [62, 56, 45] Generated Node #0,0: 35:[62, 56, 45] Operation: 61-16=45 Exploring Operation: 61-56=5, Resulting Numbers: [62, 16, 5] Generated Node #0,1: 35:[62, 16, 5] Operation: 61-56=5 Exploring Operation: 62-56=6, Resulting Numbers: [61, 16, 6] Generated Node #0,2: 35:[61, 16, 6] Operation: 62-56=6 Exploring Operation: 62-61=1, Resulting Numbers: [56, 16, 1] Generated Node #0,3: 35:[56, 16, 1] Operation: 62-61=1 Start Sub Search at level 1: Moving to Node #0,3 Current State: 35:[56, 16, 1], Operations: ['62-61=1'] Exploring Operation: 56-1=55, Resulting Numbers: [16, 55] Generated Node #0,3,0: 35:[16, 55] Operation: 56-1=55 Exploring Operation: 56*1=56, Resulting Numbers: [16, 56] Generated Node #0,3,1: 35:[16, 56] Operation: 56*1=56 Exploring Operation: 16-1=15, Resulting Numbers: [56, 15] Generated Node #0,3,2: 35:[56, 15] Operation: 16-1=15 Exploring Operation: 56-16=40, Resulting Numbers: [1, 40] Generated Node #0,3,3: 35:[1, 40] Operation: 56-16=40 Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 35:[1, 40], Operations: ['62-61=1', '56-16=40'] Exploring Operation: 1*40=40, Resulting Numbers: [40] 40,35 unequal: No Solution Exploring Operation: 1+40=41, Resulting Numbers: [41] 41,35 unequal: No Solution Exploring Operation: 40/1=40, Resulting Numbers: [40] 40,35 unequal: No Solution Exploring Operation: 40-1=39, Resulting Numbers: [39] 39,35 unequal: No Solution No 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: 35:[16, 55], Operations: ['62-61=1', '56-1=55'] Exploring Operation: 55-16=39, Resulting Numbers: [39] 39,35 unequal: No Solution Exploring Operation: 16*55=880, Resulting Numbers: [880] 880,35 unequal: No Solution Exploring Operation: 16+55=71, Resulting Numbers: [71] 71,35 unequal: No Solution No 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: 35:[56, 15], Operations: ['62-61=1', '16-1=15'] Exploring Operation: 56+15=71, Resulting Numbers: [71] 71,35 unequal: No Solution Exploring Operation: 56*15=840, Resulting Numbers: [840] 840,35 unequal: No Solution Exploring Operation: 56-15=41, Resulting Numbers: [41] 41,35 unequal: No Solution No 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: 35:[16, 56], Operations: ['62-61=1', '56*1=56'] Exploring Operation: 16*56=896, Resulting Numbers: [896] 896,35 unequal: No Solution Exploring Operation: 56-16=40, Resulting Numbers: [40] 40,35 unequal: No Solution Exploring Operation: 16+56=72, Resulting Numbers: [72] 72,35 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: 35:[62, 16, 5], Operations: ['61-56=5'] Exploring Operation: 62-5=57, Resulting Numbers: [16, 57] Generated Node #0,1,0: 35:[16, 57] Operation: 62-5=57 Exploring Operation: 62-16=46, Resulting Numbers: [5, 46] Generated Node #0,1,1: 35:[5, 46] Operation: 62-16=46 Exploring Operation: 16-5=11, Resulting Numbers: [62, 11] Generated Node #0,1,2: 35:[62, 11] Operation: 16-5=11 Exploring Operation: 62+5=67, Resulting Numbers: [16, 67] Generated Node #0,1,3: 35:[16, 67] Operation: 62+5=67 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 35:[5, 46], Operations: ['61-56=5', '62-16=46'] Exploring Operation: 46-5=41, Resulting Numbers: [41] 41,35 unequal: No Solution Exploring Operation: 5+46=51, Resulting Numbers: [51] 51,35 unequal: No Solution Exploring Operation: 5*46=230, Resulting Numbers: [230] 230,35 unequal: No Solution No 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: 35:[16, 57], Operations: ['61-56=5', '62-5=57'] Exploring Operation: 57-16=41, Resulting Numbers: [41] 41,35 unequal: No Solution Exploring Operation: 16+57=73, Resulting Numbers: [73] 73,35 unequal: No Solution Exploring Operation: 16*57=912, Resulting Numbers: [912] 912,35 unequal: No Solution No 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: 35:[62, 11], Operations: ['61-56=5', '16-5=11'] Exploring Operation: 62+11=73, Resulting Numbers: [73] 73,35 unequal: No Solution Exploring Operation: 62-11=51, Resulting Numbers: [51] 51,35 unequal: No Solution Exploring Operation: 62*11=682, Resulting Numbers: [682] 682,35 unequal: No Solution No 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: 35:[16, 67], Operations: ['61-56=5', '62+5=67'] Exploring Operation: 67-16=51, Resulting Numbers: [51] 51,35 unequal: No Solution Exploring Operation: 16+67=83, Resulting Numbers: [83] 83,35 unequal: No Solution Exploring Operation: 16*67=1072, Resulting Numbers: [1072] 1072,35 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: 35:[61, 16, 6], Operations: ['62-56=6'] Exploring Operation: 16-6=10, Resulting Numbers: [61, 10] Generated Node #0,2,0: 35:[61, 10] Operation: 16-6=10 Exploring Operation: 16+6=22, Resulting Numbers: [61, 22] Generated Node #0,2,1: 35:[61, 22] Operation: 16+6=22 Exploring Operation: 61-6=55, Resulting Numbers: [16, 55] Generated Node #0,2,2: 35:[16, 55] Operation: 61-6=55 Exploring Operation: 61-16=45, Resulting Numbers: [6, 45] Generated Node #0,2,3: 35:[6, 45] Operation: 61-16=45 Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 35:[6, 45], Operations: ['62-56=6', '61-16=45'] Exploring Operation: 45-6=39, Resulting Numbers: [39] 39,35 unequal: No Solution Exploring Operation: 6*45=270, Resulting Numbers: [270] 270,35 unequal: No Solution Exploring Operation: 6+45=51, Resulting Numbers: [51] 51,35 unequal: No Solution No 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: 35:[61, 10], Operations: ['62-56=6', '16-6=10'] Exploring Operation: 61*10=610, Resulting Numbers: [610] 610,35 unequal: No Solution Exploring Operation: 61-10=51, Resulting Numbers: [51] 51,35 unequal: No Solution Exploring Operation: 61+10=71, Resulting Numbers: [71] 71,35 unequal: No Solution No 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: 35:[16, 55], Operations: ['62-56=6', '61-6=55'] Exploring Operation: 55-16=39, Resulting Numbers: [39] 39,35 unequal: No Solution Exploring Operation: 16+55=71, Resulting Numbers: [71] 71,35 unequal: No Solution Exploring Operation: 16*55=880, Resulting Numbers: [880] 880,35 unequal: No Solution No 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: 35:[61, 22], Operations: ['62-56=6', '16+6=22'] Exploring Operation: 61*22=1342, Resulting Numbers: [1342] 1342,35 unequal: No Solution Exploring Operation: 61+22=83, Resulting Numbers: [83] 83,35 unequal: No Solution Exploring Operation: 61-22=39, Resulting Numbers: [39] 39,35 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: 35:[62, 56, 45], Operations: ['61-16=45'] Exploring Operation: 62+56=118, Resulting Numbers: [45, 118] Generated Node #0,0,0: 35:[45, 118] Operation: 62+56=118 Exploring Operation: 62-45=17, Resulting Numbers: [56, 17] Generated Node #0,0,1: 35:[56, 17] Operation: 62-45=17 Exploring Operation: 62-56=6, Resulting Numbers: [45, 6] Generated Node #0,0,2: 35:[45, 6] Operation: 62-56=6 Exploring Operation: 56-45=11, Resulting Numbers: [62, 11] Generated Node #0,0,3: 35:[62, 11] Operation: 56-45=11 Moving to Node #0,0,2 Current State: 35:[45, 6], Operations: ['61-16=45', '62-56=6'] Exploring Operation: 45*6=270, Resulting Numbers: [270] 270,35 unequal: No Solution Exploring Operation: 45+6=51, Resulting Numbers: [51] 51,35 unequal: No Solution Exploring Operation: 45-6=39, Resulting Numbers: [39] 39,35 unequal: No Solution Moving to Node #0,0,3 Current State: 35:[62, 11], Operations: ['61-16=45', '56-45=11'] Exploring Operation: 62*11=682, Resulting Numbers: [682] 682,35 unequal: No Solution Exploring Operation: 62-11=51, Resulting Numbers: [51] 51,35 unequal: No Solution Exploring Operation: 62+11=73, Resulting Numbers: [73] 73,35 unequal: No Solution Moving to Node #0,0,1 Current State: 35:[56, 17], Operations: ['61-16=45', '62-45=17'] Exploring Operation: 56*17=952, Resulting Numbers: [952] 952,35 unequal: No Solution Exploring Operation: 56+17=73, Resulting Numbers: [73] 73,35 unequal: No Solution Exploring Operation: 56-17=39, Resulting Numbers: [39] 39,35 unequal: No Solution Moving to Node #0,0,0 Current State: 35:[45, 118], Operations: ['61-16=45', '62+56=118'] Exploring Operation: 45*118=5310, Resulting Numbers: [5310] 5310,35 unequal: No Solution Exploring Operation: 45+118=163, Resulting Numbers: [163] 163,35 unequal: No Solution Exploring Operation: 118-45=73, Resulting Numbers: [73] 73,35 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
[ 4, 83, 65, 6 ]
66
[ "83-65=18", "4*18=72", "72-6=66" ]
Current State: 66:[4, 83, 65, 6], Operations: [] Exploring Operation: 83-65=18, Resulting Numbers: [4, 6, 18] Generated Node #2: [4, 6, 18] from Operation: 83-65=18 Current State: 66:[4, 6, 18], Operations: ['83-65=18'] Exploring Operation: 4*18=72, Resulting Numbers: [6, 72] Generated Node #3: [6, 72] from Operation: 4*18=72 Current State: 66:[6, 72], Operations: ['83-65=18', '4*18=72'] Exploring Operation: 72-6=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
4
Current State: 66:[4, 83, 65, 6], Operations: [] Exploring Operation: 83-65=18, Resulting Numbers: [4, 6, 18] Generated Node #0,0: 66:[4, 6, 18] Operation: 83-65=18 Exploring Operation: 83-4=79, Resulting Numbers: [65, 6, 79] Generated Node #0,1: 66:[65, 6, 79] Operation: 83-4=79 Exploring Operation: 83-6=77, Resulting Numbers: [4, 65, 77] Generated Node #0,2: 66:[4, 65, 77] Operation: 83-6=77 Moving to Node #0,0 Current State: 66:[4, 6, 18], Operations: ['83-65=18'] Exploring Operation: 18-6=12, Resulting Numbers: [4, 12] Generated Node #0,0,0: 66:[4, 12] Operation: 18-6=12 Exploring Operation: 18/6=3, Resulting Numbers: [4, 3] Generated Node #0,0,1: 66:[4, 3] Operation: 18/6=3 Exploring Operation: 4+18=22, Resulting Numbers: [6, 22] Generated Node #0,0,2: 66:[6, 22] Operation: 4+18=22 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 66:[6, 22], Operations: ['83-65=18', '4+18=22'] Exploring Operation: 22-6=16, Resulting Numbers: [16] 16,66 unequal: No Solution Exploring Operation: 6*22=132, Resulting Numbers: [132] 132,66 unequal: No Solution Exploring Operation: 6+22=28, Resulting Numbers: [28] 28,66 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 #0,0,1 Current State: 66:[4, 3], Operations: ['83-65=18', '18/6=3'] Exploring Operation: 4-3=1, Resulting Numbers: [1] 1,66 unequal: No Solution Exploring Operation: 4*3=12, Resulting Numbers: [12] 12,66 unequal: No Solution Exploring Operation: 4+3=7, Resulting Numbers: [7] 7,66 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 #0,0,0 Current State: 66:[4, 12], Operations: ['83-65=18', '18-6=12'] Exploring Operation: 4+12=16, Resulting Numbers: [16] 16,66 unequal: No Solution Exploring Operation: 12-4=8, Resulting Numbers: [8] 8,66 unequal: No Solution Exploring Operation: 12/4=3, Resulting Numbers: [3] 3,66 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: 66:[4, 65, 77], Operations: ['83-6=77'] Exploring Operation: 77-65=12, Resulting Numbers: [4, 12] Generated Node #0,2,0: 66:[4, 12] Operation: 77-65=12 Exploring Operation: 77-4=73, Resulting Numbers: [65, 73] Generated Node #0,2,1: 66:[65, 73] Operation: 77-4=73 Exploring Operation: 4+65=69, Resulting Numbers: [77, 69] Generated Node #0,2,2: 66:[77, 69] Operation: 4+65=69 Moving to Node #0,1 Current State: 66:[65, 6, 79], Operations: ['83-4=79'] Exploring Operation: 79-65=14, Resulting Numbers: [6, 14] Generated Node #0,1,0: 66:[6, 14] Operation: 79-65=14 Exploring Operation: 79-6=73, Resulting Numbers: [65, 73] Generated Node #0,1,1: 66:[65, 73] Operation: 79-6=73 Exploring Operation: 65+6=71, Resulting Numbers: [79, 71] Generated Node #0,1,2: 66:[79, 71] Operation: 65+6=71 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 66:[6, 14], Operations: ['83-4=79', '79-65=14'] Exploring Operation: 14-6=8, Resulting Numbers: [8] 8,66 unequal: No Solution Exploring Operation: 6+14=20, Resulting Numbers: [20] 20,66 unequal: No Solution Exploring Operation: 6*14=84, Resulting Numbers: [84] 84,66 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 66:[65, 73], Operations: ['83-4=79', '79-6=73'] Exploring Operation: 65+73=138, Resulting Numbers: [138] 138,66 unequal: No Solution Exploring Operation: 73-65=8, Resulting Numbers: [8] 8,66 unequal: No Solution Exploring Operation: 65*73=4745, Resulting Numbers: [4745] 4745,66 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 66:[79, 71], Operations: ['83-4=79', '65+6=71'] Exploring Operation: 79+71=150, Resulting Numbers: [150] 150,66 unequal: No Solution Exploring Operation: 79-71=8, Resulting Numbers: [8] 8,66 unequal: No Solution Exploring Operation: 79*71=5609, Resulting Numbers: [5609] 5609,66 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2,0 Current State: 66:[4, 12], Operations: ['83-6=77', '77-65=12'] Exploring Operation: 4+12=16, Resulting Numbers: [16] 16,66 unequal: No Solution Exploring Operation: 12/4=3, Resulting Numbers: [3] 3,66 unequal: No Solution Exploring Operation: 12-4=8, Resulting Numbers: [8] 8,66 unequal: No Solution Moving to Node #0,2,1 Current State: 66:[65, 73], Operations: ['83-6=77', '77-4=73'] Exploring Operation: 65*73=4745, Resulting Numbers: [4745] 4745,66 unequal: No Solution Exploring Operation: 73-65=8, Resulting Numbers: [8] 8,66 unequal: No Solution Exploring Operation: 65+73=138, Resulting Numbers: [138] 138,66 unequal: No Solution Moving to Node #0,2,2 Current State: 66:[77, 69], Operations: ['83-6=77', '4+65=69'] Exploring Operation: 77*69=5313, Resulting Numbers: [5313] 5313,66 unequal: No Solution Exploring Operation: 77-69=8, Resulting Numbers: [8] 8,66 unequal: No Solution Exploring Operation: 77+69=146, Resulting Numbers: [146] 146,66 unequal: No Solution No solution found.
0
hs_3
mult_heuristic