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
[ 23, 32, 3, 10 ]
87
[ "32-23=9", "10*9=90", "90-3=87" ]
Current State: 87:[23, 32, 3, 10], Operations: [] Exploring Operation: 32-23=9, Resulting Numbers: [3, 10, 9] Generated Node #2: [3, 10, 9] from Operation: 32-23=9 Current State: 87:[3, 10, 9], Operations: ['32-23=9'] Exploring Operation: 10*9=90, Resulting Numbers: [3, 90] Generated Node #3: [3, 90] from Operation: 10*9=90 Current State: 87:[3, 90], Operations: ['32-23=9', '10*9=90'] Exploring Operation: 90-3=87, Resulting Numbers: [87] 87,87 equal: Goal Reached
4
Current State: 87:[23, 32, 3, 10], Operations: [] Exploring Operation: 23+3=26, Resulting Numbers: [32, 10, 26] Generated Node #0,0: 87:[32, 10, 26] Operation: 23+3=26 Exploring Operation: 3*10=30, Resulting Numbers: [23, 32, 30] Generated Node #0,1: 87:[23, 32, 30] Operation: 3*10=30 Exploring Operation: 32-23=9, Resulting Numbers: [3, 10, 9] Generated Node #0,2: 87:[3, 10, 9] Operation: 32-23=9 Exploring Operation: 23+10=33, Resulting Numbers: [32, 3, 33] Generated Node #0,3: 87:[32, 3, 33] Operation: 23+10=33 Moving to Node #0,3 Current State: 87:[32, 3, 33], Operations: ['23+10=33'] Exploring Operation: 33-3=30, Resulting Numbers: [32, 30] Generated Node #0,3,0: 87:[32, 30] Operation: 33-3=30 Exploring Operation: 32-3=29, Resulting Numbers: [33, 29] Generated Node #0,3,1: 87:[33, 29] Operation: 32-3=29 Exploring Operation: 33-32=1, Resulting Numbers: [3, 1] Generated Node #0,3,2: 87:[3, 1] Operation: 33-32=1 Exploring Operation: 32+3=35, Resulting Numbers: [33, 35] Generated Node #0,3,3: 87:[33, 35] Operation: 32+3=35 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 87:[3, 1], Operations: ['23+10=33', '33-32=1'] Exploring Operation: 3-1=2, Resulting Numbers: [2] 2,87 unequal: No Solution Exploring Operation: 3+1=4, Resulting Numbers: [4] 4,87 unequal: No Solution Exploring Operation: 3*1=3, Resulting Numbers: [3] 3,87 unequal: No Solution Exploring Operation: 3/1=3, Resulting Numbers: [3] 3,87 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 87:[32, 30], Operations: ['23+10=33', '33-3=30'] Exploring Operation: 32+30=62, Resulting Numbers: [62] 62,87 unequal: No Solution Exploring Operation: 32-30=2, Resulting Numbers: [2] 2,87 unequal: No Solution Exploring Operation: 32*30=960, Resulting Numbers: [960] 960,87 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 87:[33, 29], Operations: ['23+10=33', '32-3=29'] Exploring Operation: 33+29=62, Resulting Numbers: [62] 62,87 unequal: No Solution Exploring Operation: 33-29=4, Resulting Numbers: [4] 4,87 unequal: No Solution Exploring Operation: 33*29=957, Resulting Numbers: [957] 957,87 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 87:[33, 35], Operations: ['23+10=33', '32+3=35'] Exploring Operation: 33*35=1155, Resulting Numbers: [1155] 1155,87 unequal: No Solution Exploring Operation: 35-33=2, Resulting Numbers: [2] 2,87 unequal: No Solution Exploring Operation: 33+35=68, Resulting Numbers: [68] 68,87 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 87:[23, 32, 30], Operations: ['3*10=30'] Exploring Operation: 30-23=7, Resulting Numbers: [32, 7] Generated Node #0,1,0: 87:[32, 7] Operation: 30-23=7 Exploring Operation: 23+32=55, Resulting Numbers: [30, 55] Generated Node #0,1,1: 87:[30, 55] Operation: 23+32=55 Exploring Operation: 32-30=2, Resulting Numbers: [23, 2] Generated Node #0,1,2: 87:[23, 2] Operation: 32-30=2 Exploring Operation: 32-23=9, Resulting Numbers: [30, 9] Generated Node #0,1,3: 87:[30, 9] Operation: 32-23=9 Moving to Node #0,2 Current State: 87:[3, 10, 9], Operations: ['32-23=9'] Exploring Operation: 9/3=3, Resulting Numbers: [10, 3] Generated Node #0,2,0: 87:[10, 3] Operation: 9/3=3 Exploring Operation: 10-9=1, Resulting Numbers: [3, 1] Generated Node #0,2,1: 87:[3, 1] Operation: 10-9=1 Exploring Operation: 3*10=30, Resulting Numbers: [9, 30] Generated Node #0,2,2: 87:[9, 30] Operation: 3*10=30 Exploring Operation: 10*9=90, Resulting Numbers: [3, 90] Generated Node #0,2,3: 87:[3, 90] Operation: 10*9=90 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 87:[3, 1], Operations: ['32-23=9', '10-9=1'] Exploring Operation: 3*1=3, Resulting Numbers: [3] 3,87 unequal: No Solution Exploring Operation: 3-1=2, Resulting Numbers: [2] 2,87 unequal: No Solution Exploring Operation: 3/1=3, Resulting Numbers: [3] 3,87 unequal: No Solution Exploring Operation: 3+1=4, Resulting Numbers: [4] 4,87 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 87:[3, 90], Operations: ['32-23=9', '10*9=90'] Exploring Operation: 90/3=30, Resulting Numbers: [30] 30,87 unequal: No Solution Exploring Operation: 3*90=270, Resulting Numbers: [270] 270,87 unequal: No Solution Exploring Operation: 90-3=87, Resulting Numbers: [87] 87,87 equal: Goal Reached Moving to Node #0 Current State: 87:[23, 32, 3, 10], Operations: [] Exploring Operation: 32-23=9, Resulting Numbers: [3, 10, 9] Generated Node #0,2: 87:[3, 10, 9] Operation: 32-23=9 Moving to Node #0,2 Current State: 87:[3, 10, 9], Operations: ['32-23=9'] Exploring Operation: 10*9=90, Resulting Numbers: [3, 90] Generated Node #0,2,3: 87:[3, 90] Operation: 10*9=90 Moving to Node #0,2,3 Current State: 87:[3, 90], Operations: ['32-23=9', '10*9=90'] Exploring Operation: 90-3=87, Resulting Numbers: [87] 87,87 equal: Goal Reached Exit Sub Search at level 1
0.965278
hs_4
sum_heuristic
[ 27, 2, 1, 53 ]
26
[ "53-27=26", "2-1=1", "26*1=26" ]
Current State: 26:[27, 2, 1, 53], Operations: [] Exploring Operation: 53-27=26, Resulting Numbers: [2, 1, 26] Generated Node #2: [2, 1, 26] from Operation: 53-27=26 Current State: 26:[2, 1, 26], Operations: ['53-27=26'] Exploring Operation: 2-1=1, Resulting Numbers: [26, 1] Generated Node #3: [26, 1] from Operation: 2-1=1 Current State: 26:[26, 1], Operations: ['53-27=26', '2-1=1'] Exploring Operation: 26*1=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
4
Current State: 26:[27, 2, 1, 53], Operations: [] Exploring Operation: 53-27=26, Resulting Numbers: [2, 1, 26] Generated Node #0,0: 26:[2, 1, 26] Operation: 53-27=26 Moving to Node #0,0 Current State: 26:[2, 1, 26], Operations: ['53-27=26'] Exploring Operation: 2*1=2, Resulting Numbers: [26, 2] Generated Node #0,0,0: 26:[26, 2] Operation: 2*1=2 Moving to Node #0,0,0 Current State: 26:[26, 2], Operations: ['53-27=26', '2*1=2'] Exploring Operation: 26/2=13, Resulting Numbers: [13] 13,26 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 34, 40, 20, 60 ]
37
[ "40-20=20", "60/20=3", "34+3=37" ]
Current State: 37:[34, 40, 20, 60], Operations: [] Exploring Operation: 40-20=20, Resulting Numbers: [34, 60, 20] Generated Node #2: [34, 60, 20] from Operation: 40-20=20 Current State: 37:[34, 60, 20], Operations: ['40-20=20'] Exploring Operation: 60/20=3, Resulting Numbers: [34, 3] Generated Node #3: [34, 3] from Operation: 60/20=3 Current State: 37:[34, 3], Operations: ['40-20=20', '60/20=3'] Exploring Operation: 34+3=37, Resulting Numbers: [37] 37,37 equal: Goal Reached
4
Current State: 37:[34, 40, 20, 60], Operations: [] Exploring Operation: 60-40=20, Resulting Numbers: [34, 20, 20] Generated Node #0,0: 37:[34, 20, 20] Operation: 60-40=20 Exploring Operation: 60/20=3, Resulting Numbers: [34, 40, 3] Generated Node #0,1: 37:[34, 40, 3] Operation: 60/20=3 Exploring Operation: 60-20=40, Resulting Numbers: [34, 40, 40] Generated Node #0,2: 37:[34, 40, 40] Operation: 60-20=40 Exploring Operation: 60-34=26, Resulting Numbers: [40, 20, 26] Generated Node #0,3: 37:[40, 20, 26] Operation: 60-34=26 Exploring Operation: 34+20=54, Resulting Numbers: [40, 60, 54] Generated Node #0,4: 37:[40, 60, 54] Operation: 34+20=54 Start Sub Search at level 1: Moving to Node #0,2 Current State: 37:[34, 40, 40], Operations: ['60-20=40'] Exploring Operation: 34+40=74, Resulting Numbers: [40, 74] Generated Node #0,2,0: 37:[40, 74] Operation: 34+40=74 Exploring Operation: 40-34=6, Resulting Numbers: [40, 6] Generated Node #0,2,1: 37:[40, 6] Operation: 40-34=6 Exploring Operation: 40-34=6, Resulting Numbers: [40, 6] Generated Node #0,2,2: 37:[40, 6] Operation: 40-34=6 Exploring Operation: 40/40=1, Resulting Numbers: [34, 1] Generated Node #0,2,3: 37:[34, 1] Operation: 40/40=1 Exploring Operation: 34+40=74, Resulting Numbers: [40, 74] Generated Node #0,2,4: 37:[40, 74] Operation: 34+40=74 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 37:[40, 6], Operations: ['60-20=40', '40-34=6'] Exploring Operation: 40*6=240, Resulting Numbers: [240] 240,37 unequal: No Solution Exploring Operation: 40+6=46, Resulting Numbers: [46] 46,37 unequal: No Solution Exploring Operation: 40-6=34, Resulting Numbers: [34] 34,37 unequal: No Solution No 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: 37:[40, 6], Operations: ['60-20=40', '40-34=6'] Exploring Operation: 40*6=240, Resulting Numbers: [240] 240,37 unequal: No Solution Exploring Operation: 40+6=46, Resulting Numbers: [46] 46,37 unequal: No Solution Exploring Operation: 40-6=34, Resulting Numbers: [34] 34,37 unequal: No Solution No 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: 37:[34, 1], Operations: ['60-20=40', '40/40=1'] Exploring Operation: 34/1=34, Resulting Numbers: [34] 34,37 unequal: No Solution Exploring Operation: 34*1=34, Resulting Numbers: [34] 34,37 unequal: No Solution Exploring Operation: 34-1=33, Resulting Numbers: [33] 33,37 unequal: No Solution Exploring Operation: 34+1=35, Resulting Numbers: [35] 35,37 unequal: No Solution No 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: 37:[40, 74], Operations: ['60-20=40', '34+40=74'] Exploring Operation: 40+74=114, Resulting Numbers: [114] 114,37 unequal: No Solution Exploring Operation: 74-40=34, Resulting Numbers: [34] 34,37 unequal: No Solution Exploring Operation: 40*74=2960, Resulting Numbers: [2960] 2960,37 unequal: No Solution No 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: 37:[40, 74], Operations: ['60-20=40', '34+40=74'] Exploring Operation: 74-40=34, Resulting Numbers: [34] 34,37 unequal: No Solution Exploring Operation: 40+74=114, Resulting Numbers: [114] 114,37 unequal: No Solution Exploring Operation: 40*74=2960, Resulting Numbers: [2960] 2960,37 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: 37:[40, 20, 26], Operations: ['60-34=26'] Exploring Operation: 40+20=60, Resulting Numbers: [26, 60] Generated Node #0,3,0: 37:[26, 60] Operation: 40+20=60 Exploring Operation: 20+26=46, Resulting Numbers: [40, 46] Generated Node #0,3,1: 37:[40, 46] Operation: 20+26=46 Exploring Operation: 40-26=14, Resulting Numbers: [20, 14] Generated Node #0,3,2: 37:[20, 14] Operation: 40-26=14 Exploring Operation: 26-20=6, Resulting Numbers: [40, 6] Generated Node #0,3,3: 37:[40, 6] Operation: 26-20=6 Exploring Operation: 40-20=20, Resulting Numbers: [26, 20] Generated Node #0,3,4: 37:[26, 20] Operation: 40-20=20 Moving to Node #0,3,1 Current State: 37:[40, 46], Operations: ['60-34=26', '20+26=46'] Exploring Operation: 40+46=86, Resulting Numbers: [86] 86,37 unequal: No Solution Exploring Operation: 40*46=1840, Resulting Numbers: [1840] 1840,37 unequal: No Solution Exploring Operation: 46-40=6, Resulting Numbers: [6] 6,37 unequal: No Solution Moving to Node #0,3,4 Current State: 37:[26, 20], Operations: ['60-34=26', '40-20=20'] Exploring Operation: 26*20=520, Resulting Numbers: [520] 520,37 unequal: No Solution Exploring Operation: 26-20=6, Resulting Numbers: [6] 6,37 unequal: No Solution Exploring Operation: 26+20=46, Resulting Numbers: [46] 46,37 unequal: No Solution Moving to Node #0,3,0 Current State: 37:[26, 60], Operations: ['60-34=26', '40+20=60'] Exploring Operation: 26*60=1560, Resulting Numbers: [1560] 1560,37 unequal: No Solution Exploring Operation: 26+60=86, Resulting Numbers: [86] 86,37 unequal: No Solution Exploring Operation: 60-26=34, Resulting Numbers: [34] 34,37 unequal: No Solution Moving to Node #0,3,3 Current State: 37:[40, 6], Operations: ['60-34=26', '26-20=6'] Exploring Operation: 40*6=240, Resulting Numbers: [240] 240,37 unequal: No Solution Exploring Operation: 40-6=34, Resulting Numbers: [34] 34,37 unequal: No Solution Exploring Operation: 40+6=46, Resulting Numbers: [46] 46,37 unequal: No Solution Moving to Node #0,3,2 Current State: 37:[20, 14], Operations: ['60-34=26', '40-26=14'] Exploring Operation: 20+14=34, Resulting Numbers: [34] 34,37 unequal: No Solution Exploring Operation: 20-14=6, Resulting Numbers: [6] 6,37 unequal: No Solution Exploring Operation: 20*14=280, Resulting Numbers: [280] 280,37 unequal: No Solution No solution 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: 37:[34, 20, 20], Operations: ['60-40=20'] Exploring Operation: 34+20=54, Resulting Numbers: [20, 54] Generated Node #0,0,0: 37:[20, 54] Operation: 34+20=54 Exploring Operation: 20/20=1, Resulting Numbers: [34, 1] Generated Node #0,0,1: 37:[34, 1] Operation: 20/20=1 Exploring Operation: 34+20=54, Resulting Numbers: [20, 54] Generated Node #0,0,2: 37:[20, 54] Operation: 34+20=54 Exploring Operation: 34-20=14, Resulting Numbers: [20, 14] Generated Node #0,0,3: 37:[20, 14] Operation: 34-20=14 Exploring Operation: 20+20=40, Resulting Numbers: [34, 40] Generated Node #0,0,4: 37:[34, 40] Operation: 20+20=40 Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 37:[34, 40], Operations: ['60-40=20', '20+20=40'] Exploring Operation: 40-34=6, Resulting Numbers: [6] 6,37 unequal: No Solution Exploring Operation: 34+40=74, Resulting Numbers: [74] 74,37 unequal: No Solution Exploring Operation: 34*40=1360, Resulting Numbers: [1360] 1360,37 unequal: No Solution No 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: 37:[20, 54], Operations: ['60-40=20', '34+20=54'] Exploring Operation: 54-20=34, Resulting Numbers: [34] 34,37 unequal: No Solution Exploring Operation: 20+54=74, Resulting Numbers: [74] 74,37 unequal: No Solution Exploring Operation: 20*54=1080, Resulting Numbers: [1080] 1080,37 unequal: No Solution No 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: 37:[20, 54], Operations: ['60-40=20', '34+20=54'] Exploring Operation: 54-20=34, Resulting Numbers: [34] 34,37 unequal: No Solution Exploring Operation: 20+54=74, Resulting Numbers: [74] 74,37 unequal: No Solution Exploring Operation: 20*54=1080, Resulting Numbers: [1080] 1080,37 unequal: No Solution No 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: 37:[34, 1], Operations: ['60-40=20', '20/20=1'] Exploring Operation: 34-1=33, Resulting Numbers: [33] 33,37 unequal: No Solution Exploring Operation: 34/1=34, Resulting Numbers: [34] 34,37 unequal: No Solution Exploring Operation: 34*1=34, Resulting Numbers: [34] 34,37 unequal: No Solution Exploring Operation: 34+1=35, Resulting Numbers: [35] 35,37 unequal: No Solution No 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: 37:[20, 14], Operations: ['60-40=20', '34-20=14'] Exploring Operation: 20*14=280, Resulting Numbers: [280] 280,37 unequal: No Solution Exploring Operation: 20+14=34, Resulting Numbers: [34] 34,37 unequal: No Solution Exploring Operation: 20-14=6, Resulting Numbers: [6] 6,37 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: 37:[34, 40, 3], Operations: ['60/20=3'] Exploring Operation: 40+3=43, Resulting Numbers: [34, 43] Generated Node #0,1,0: 37:[34, 43] Operation: 40+3=43 Exploring Operation: 40-34=6, Resulting Numbers: [3, 6] Generated Node #0,1,1: 37:[3, 6] Operation: 40-34=6 Exploring Operation: 40-3=37, Resulting Numbers: [34, 37] Generated Node #0,1,2: 37:[34, 37] Operation: 40-3=37 Exploring Operation: 34+3=37, Resulting Numbers: [40, 37] Generated Node #0,1,3: 37:[40, 37] Operation: 34+3=37 Exploring Operation: 34-3=31, Resulting Numbers: [40, 31] Generated Node #0,1,4: 37:[40, 31] Operation: 34-3=31 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 37:[34, 37], Operations: ['60/20=3', '40-3=37'] Exploring Operation: 34*37=1258, Resulting Numbers: [1258] 1258,37 unequal: No Solution Exploring Operation: 37-34=3, Resulting Numbers: [3] 3,37 unequal: No Solution Exploring Operation: 34+37=71, Resulting Numbers: [71] 71,37 unequal: No Solution No 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: 37:[40, 37], Operations: ['60/20=3', '34+3=37'] Exploring Operation: 40-37=3, Resulting Numbers: [3] 3,37 unequal: No Solution Exploring Operation: 40*37=1480, Resulting Numbers: [1480] 1480,37 unequal: No Solution Exploring Operation: 40+37=77, Resulting Numbers: [77] 77,37 unequal: No Solution No 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: 37:[34, 43], Operations: ['60/20=3', '40+3=43'] Exploring Operation: 34+43=77, Resulting Numbers: [77] 77,37 unequal: No Solution Exploring Operation: 43-34=9, Resulting Numbers: [9] 9,37 unequal: No Solution Exploring Operation: 34*43=1462, Resulting Numbers: [1462] 1462,37 unequal: No Solution No 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: 37:[40, 31], Operations: ['60/20=3', '34-3=31'] Exploring Operation: 40-31=9, Resulting Numbers: [9] 9,37 unequal: No Solution Exploring Operation: 40+31=71, Resulting Numbers: [71] 71,37 unequal: No Solution Exploring Operation: 40*31=1240, Resulting Numbers: [1240] 1240,37 unequal: No Solution No 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: 37:[3, 6], Operations: ['60/20=3', '40-34=6'] Exploring Operation: 6/3=2, Resulting Numbers: [2] 2,37 unequal: No Solution Exploring Operation: 3+6=9, Resulting Numbers: [9] 9,37 unequal: No Solution Exploring Operation: 3*6=18, Resulting Numbers: [18] 18,37 unequal: No Solution Exploring Operation: 6-3=3, Resulting Numbers: [3] 3,37 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: 37:[40, 60, 54], Operations: ['34+20=54'] Exploring Operation: 40+60=100, Resulting Numbers: [54, 100] Generated Node #0,4,0: 37:[54, 100] Operation: 40+60=100 Exploring Operation: 40+54=94, Resulting Numbers: [60, 94] Generated Node #0,4,1: 37:[60, 94] Operation: 40+54=94 Exploring Operation: 54-40=14, Resulting Numbers: [60, 14] Generated Node #0,4,2: 37:[60, 14] Operation: 54-40=14 Exploring Operation: 60-54=6, Resulting Numbers: [40, 6] Generated Node #0,4,3: 37:[40, 6] Operation: 60-54=6 Exploring Operation: 60-40=20, Resulting Numbers: [54, 20] Generated Node #0,4,4: 37:[54, 20] Operation: 60-40=20 Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 37:[40, 6], Operations: ['34+20=54', '60-54=6'] Exploring Operation: 40+6=46, Resulting Numbers: [46] 46,37 unequal: No Solution Exploring Operation: 40-6=34, Resulting Numbers: [34] 34,37 unequal: No Solution Exploring Operation: 40*6=240, Resulting Numbers: [240] 240,37 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 37:[54, 20], Operations: ['34+20=54', '60-40=20'] Exploring Operation: 54+20=74, Resulting Numbers: [74] 74,37 unequal: No Solution Exploring Operation: 54*20=1080, Resulting Numbers: [1080] 1080,37 unequal: No Solution Exploring Operation: 54-20=34, Resulting Numbers: [34] 34,37 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 37:[60, 14], Operations: ['34+20=54', '54-40=14'] Exploring Operation: 60*14=840, Resulting Numbers: [840] 840,37 unequal: No Solution Exploring Operation: 60-14=46, Resulting Numbers: [46] 46,37 unequal: No Solution Exploring Operation: 60+14=74, Resulting Numbers: [74] 74,37 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 37:[54, 100], Operations: ['34+20=54', '40+60=100'] Exploring Operation: 54+100=154, Resulting Numbers: [154] 154,37 unequal: No Solution Exploring Operation: 100-54=46, Resulting Numbers: [46] 46,37 unequal: No Solution Exploring Operation: 54*100=5400, Resulting Numbers: [5400] 5400,37 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 37:[60, 94], Operations: ['34+20=54', '40+54=94'] Exploring Operation: 60*94=5640, Resulting Numbers: [5640] 5640,37 unequal: No Solution Exploring Operation: 94-60=34, Resulting Numbers: [34] 34,37 unequal: No Solution Exploring Operation: 60+94=154, Resulting Numbers: [154] 154,37 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
mult_heuristic
[ 16, 51, 14, 62 ]
22
[ "16-14=2", "62-51=11", "2*11=22" ]
Current State: 22:[16, 51, 14, 62], Operations: [] Exploring Operation: 16-14=2, Resulting Numbers: [51, 62, 2] Generated Node #2: [51, 62, 2] from Operation: 16-14=2 Current State: 22:[51, 62, 2], Operations: ['16-14=2'] Exploring Operation: 62-51=11, Resulting Numbers: [2, 11] Generated Node #3: [2, 11] from Operation: 62-51=11 Current State: 22:[2, 11], Operations: ['16-14=2', '62-51=11'] Exploring Operation: 2*11=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
4
Current State: 22:[16, 51, 14, 62], Operations: [] Exploring Operation: 62-16=46, Resulting Numbers: [51, 14, 46] Generated Node #0,0: 22:[51, 14, 46] Operation: 62-16=46 Exploring Operation: 51-16=35, Resulting Numbers: [14, 62, 35] Generated Node #0,1: 22:[14, 62, 35] Operation: 51-16=35 Exploring Operation: 62-51=11, Resulting Numbers: [16, 14, 11] Generated Node #0,2: 22:[16, 14, 11] Operation: 62-51=11 Start Sub Search at level 1: Moving to Node #0,2 Current State: 22:[16, 14, 11], Operations: ['62-51=11'] Exploring Operation: 16-14=2, Resulting Numbers: [11, 2] Generated Node #0,2,0: 22:[11, 2] Operation: 16-14=2 Exploring Operation: 14-11=3, Resulting Numbers: [16, 3] Generated Node #0,2,1: 22:[16, 3] Operation: 14-11=3 Exploring Operation: 16-11=5, Resulting Numbers: [14, 5] Generated Node #0,2,2: 22:[14, 5] Operation: 16-11=5 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 22:[11, 2], Operations: ['62-51=11', '16-14=2'] Exploring Operation: 11+2=13, Resulting Numbers: [13] 13,22 unequal: No Solution Exploring Operation: 11*2=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Moving to Node #0 Current State: 22:[16, 51, 14, 62], Operations: [] Exploring Operation: 62-51=11, Resulting Numbers: [16, 14, 11] Generated Node #0,2: 22:[16, 14, 11] Operation: 62-51=11 Moving to Node #0,2 Current State: 22:[16, 14, 11], Operations: ['62-51=11'] Exploring Operation: 16-14=2, Resulting Numbers: [11, 2] Generated Node #0,2,0: 22:[11, 2] Operation: 16-14=2 Moving to Node #0,2,0 Current State: 22:[11, 2], Operations: ['62-51=11', '16-14=2'] Exploring Operation: 11*2=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.989583
hs_3
mult_heuristic
[ 25, 15, 17, 20 ]
40
[ "25-17=8", "20-15=5", "8*5=40" ]
Current State: 40:[25, 15, 17, 20], Operations: [] Exploring Operation: 25-17=8, Resulting Numbers: [15, 20, 8] Generated Node #2: [15, 20, 8] from Operation: 25-17=8 Current State: 40:[15, 20, 8], Operations: ['25-17=8'] Exploring Operation: 20-15=5, Resulting Numbers: [8, 5] Generated Node #3: [8, 5] from Operation: 20-15=5 Current State: 40:[8, 5], Operations: ['25-17=8', '20-15=5'] Exploring Operation: 8*5=40, Resulting Numbers: [40] 40,40 equal: Goal Reached
4
Current State: 40:[25, 15, 17, 20], Operations: [] Exploring Operation: 25+15=40, Resulting Numbers: [17, 20, 40] Generated Node #0,0: 40:[17, 20, 40] Operation: 25+15=40 Moving to Node #0,0 Current State: 40:[17, 20, 40], Operations: ['25+15=40'] Exploring Operation: 20-17=3, Resulting Numbers: [40, 3] Generated Node #0,0,0: 40:[40, 3] Operation: 20-17=3 Moving to Node #0,0,0 Current State: 40:[40, 3], Operations: ['25+15=40', '20-17=3'] Exploring Operation: 40+3=43, Resulting Numbers: [43] 43,40 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 46, 27, 43, 30 ]
95
[ "30-27=3", "46*3=138", "138-43=95" ]
Current State: 95:[46, 27, 43, 30], Operations: [] Exploring Operation: 30-27=3, Resulting Numbers: [46, 43, 3] Generated Node #2: [46, 43, 3] from Operation: 30-27=3 Current State: 95:[46, 43, 3], Operations: ['30-27=3'] Exploring Operation: 46*3=138, Resulting Numbers: [43, 138] Generated Node #3: [43, 138] from Operation: 46*3=138 Current State: 95:[43, 138], Operations: ['30-27=3', '46*3=138'] Exploring Operation: 138-43=95, Resulting Numbers: [95] 95,95 equal: Goal Reached
4
Current State: 95:[46, 27, 43, 30], Operations: [] Exploring Operation: 46-43=3, Resulting Numbers: [27, 30, 3] Generated Node #0,0: 95:[27, 30, 3] Operation: 46-43=3 Start Sub Search at level 1: Moving to Node #0,0 Current State: 95:[27, 30, 3], Operations: ['46-43=3'] Exploring Operation: 30-27=3, Resulting Numbers: [3, 3] Generated Node #0,0,0: 95:[3, 3] Operation: 30-27=3 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 95:[3, 3], Operations: ['46-43=3', '30-27=3'] Exploring Operation: 3+3=6, Resulting Numbers: [6] 6,95 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 70, 17, 44, 65 ]
41
[ "70-65=5", "17*5=85", "85-44=41" ]
Current State: 41:[70, 17, 44, 65], Operations: [] Exploring Operation: 70-65=5, Resulting Numbers: [17, 44, 5] Generated Node #2: [17, 44, 5] from Operation: 70-65=5 Current State: 41:[17, 44, 5], Operations: ['70-65=5'] Exploring Operation: 17*5=85, Resulting Numbers: [44, 85] Generated Node #3: [44, 85] from Operation: 17*5=85 Current State: 41:[44, 85], Operations: ['70-65=5', '17*5=85'] Exploring Operation: 85-44=41, Resulting Numbers: [41] 41,41 equal: Goal Reached
4
Current State: 41:[70, 17, 44, 65], Operations: [] Exploring Operation: 70-17=53, Resulting Numbers: [44, 65, 53] Generated Node #0,0: 41:[44, 65, 53] Operation: 70-17=53 Moving to Node #0,0 Current State: 41:[44, 65, 53], Operations: ['70-17=53'] Exploring Operation: 65-44=21, Resulting Numbers: [53, 21] Generated Node #0,0,0: 41:[53, 21] Operation: 65-44=21 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 41:[53, 21], Operations: ['70-17=53', '65-44=21'] Exploring Operation: 53-21=32, Resulting Numbers: [32] 32,41 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
[ 98, 86, 93, 16 ]
65
[ "98-86=12", "93-16=77", "77-12=65" ]
Current State: 65:[98, 86, 93, 16], Operations: [] Exploring Operation: 98-86=12, Resulting Numbers: [93, 16, 12] Generated Node #2: [93, 16, 12] from Operation: 98-86=12 Current State: 65:[93, 16, 12], Operations: ['98-86=12'] Exploring Operation: 93-16=77, Resulting Numbers: [12, 77] Generated Node #3: [12, 77] from Operation: 93-16=77 Current State: 65:[12, 77], Operations: ['98-86=12', '93-16=77'] Exploring Operation: 77-12=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
4
Current State: 65:[98, 86, 93, 16], Operations: [] Exploring Operation: 98-86=12, Resulting Numbers: [93, 16, 12] Generated Node #0,0: 65:[93, 16, 12] Operation: 98-86=12 Exploring Operation: 93-86=7, Resulting Numbers: [98, 16, 7] Generated Node #0,1: 65:[98, 16, 7] Operation: 93-86=7 Exploring Operation: 98-16=82, Resulting Numbers: [86, 93, 82] Generated Node #0,2: 65:[86, 93, 82] Operation: 98-16=82 Exploring Operation: 98-93=5, Resulting Numbers: [86, 16, 5] Generated Node #0,3: 65:[86, 16, 5] Operation: 98-93=5 Start Sub Search at level 1: Moving to Node #0,3 Current State: 65:[86, 16, 5], Operations: ['98-93=5'] Exploring Operation: 86-16=70, Resulting Numbers: [5, 70] Generated Node #0,3,0: 65:[5, 70] Operation: 86-16=70 Exploring Operation: 86+5=91, Resulting Numbers: [16, 91] Generated Node #0,3,1: 65:[16, 91] Operation: 86+5=91 Exploring Operation: 16-5=11, Resulting Numbers: [86, 11] Generated Node #0,3,2: 65:[86, 11] Operation: 16-5=11 Exploring Operation: 86-5=81, Resulting Numbers: [16, 81] Generated Node #0,3,3: 65:[16, 81] Operation: 86-5=81 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 65:[5, 70], Operations: ['98-93=5', '86-16=70'] Exploring Operation: 5*70=350, Resulting Numbers: [350] 350,65 unequal: No Solution Exploring Operation: 70-5=65, Resulting Numbers: [65] 65,65 equal: Goal Reached Moving to Node #0 Current State: 65:[98, 86, 93, 16], Operations: [] Exploring Operation: 98-93=5, Resulting Numbers: [86, 16, 5] Generated Node #0,3: 65:[86, 16, 5] Operation: 98-93=5 Moving to Node #0,3 Current State: 65:[86, 16, 5], Operations: ['98-93=5'] Exploring Operation: 86-16=70, Resulting Numbers: [5, 70] Generated Node #0,3,0: 65:[5, 70] Operation: 86-16=70 Moving to Node #0,3,0 Current State: 65:[5, 70], Operations: ['98-93=5', '86-16=70'] Exploring Operation: 70-5=65, Resulting Numbers: [65] 65,65 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.987847
hs_4
sum_heuristic
[ 65, 32, 90, 36 ]
87
[ "65-32=33", "90-36=54", "33+54=87" ]
Current State: 87:[65, 32, 90, 36], Operations: [] Exploring Operation: 65-32=33, Resulting Numbers: [90, 36, 33] Generated Node #2: [90, 36, 33] from Operation: 65-32=33 Current State: 87:[90, 36, 33], Operations: ['65-32=33'] Exploring Operation: 90-36=54, Resulting Numbers: [33, 54] Generated Node #3: [33, 54] from Operation: 90-36=54 Current State: 87:[33, 54], Operations: ['65-32=33', '90-36=54'] Exploring Operation: 33+54=87, Resulting Numbers: [87] 87,87 equal: Goal Reached
4
Current State: 87:[65, 32, 90, 36], Operations: [] Exploring Operation: 65-32=33, Resulting Numbers: [90, 36, 33] Generated Node #0,0: 87:[90, 36, 33] Operation: 65-32=33 Exploring Operation: 65-36=29, Resulting Numbers: [32, 90, 29] Generated Node #0,1: 87:[32, 90, 29] Operation: 65-36=29 Moving to Node #0,1 Current State: 87:[32, 90, 29], Operations: ['65-36=29'] Exploring Operation: 90-32=58, Resulting Numbers: [29, 58] Generated Node #0,1,0: 87:[29, 58] Operation: 90-32=58 Exploring Operation: 32-29=3, Resulting Numbers: [90, 3] Generated Node #0,1,1: 87:[90, 3] Operation: 32-29=3 Moving to Node #0,0 Current State: 87:[90, 36, 33], Operations: ['65-32=33'] Exploring Operation: 36+33=69, Resulting Numbers: [90, 69] Generated Node #0,0,0: 87:[90, 69] Operation: 36+33=69 Exploring Operation: 36-33=3, Resulting Numbers: [90, 3] Generated Node #0,0,1: 87:[90, 3] Operation: 36-33=3 Moving to Node #0,1,1 Current State: 87:[90, 3], Operations: ['65-36=29', '32-29=3'] Exploring Operation: 90/3=30, Resulting Numbers: [30] 30,87 unequal: No Solution Exploring Operation: 90-3=87, Resulting Numbers: [87] 87,87 equal: Goal Reached Moving to Node #0 Current State: 87:[65, 32, 90, 36], Operations: [] Exploring Operation: 65-36=29, Resulting Numbers: [32, 90, 29] Generated Node #0,1: 87:[32, 90, 29] Operation: 65-36=29 Moving to Node #0,1 Current State: 87:[32, 90, 29], Operations: ['65-36=29'] Exploring Operation: 32-29=3, Resulting Numbers: [90, 3] Generated Node #0,1,1: 87:[90, 3] Operation: 32-29=3 Moving to Node #0,1,1 Current State: 87:[90, 3], Operations: ['65-36=29', '32-29=3'] Exploring Operation: 90-3=87, Resulting Numbers: [87] 87,87 equal: Goal Reached
0.989583
hs_2
mult_heuristic
[ 33, 3, 30, 78 ]
49
[ "78-30=48", "48/3=16", "33+16=49" ]
Current State: 49:[33, 3, 30, 78], Operations: [] Exploring Operation: 78-30=48, Resulting Numbers: [33, 3, 48] Generated Node #2: [33, 3, 48] from Operation: 78-30=48 Current State: 49:[33, 3, 48], Operations: ['78-30=48'] Exploring Operation: 48/3=16, Resulting Numbers: [33, 16] Generated Node #3: [33, 16] from Operation: 48/3=16 Current State: 49:[33, 16], Operations: ['78-30=48', '48/3=16'] Exploring Operation: 33+16=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
4
Current State: 49:[33, 3, 30, 78], Operations: [] Exploring Operation: 30/3=10, Resulting Numbers: [33, 78, 10] Generated Node #0,0: 49:[33, 78, 10] Operation: 30/3=10 Exploring Operation: 78-33=45, Resulting Numbers: [3, 30, 45] Generated Node #0,1: 49:[3, 30, 45] Operation: 78-33=45 Exploring Operation: 33+30=63, Resulting Numbers: [3, 78, 63] Generated Node #0,2: 49:[3, 78, 63] Operation: 33+30=63 Exploring Operation: 33-30=3, Resulting Numbers: [3, 78, 3] Generated Node #0,3: 49:[3, 78, 3] Operation: 33-30=3 Exploring Operation: 78-30=48, Resulting Numbers: [33, 3, 48] Generated Node #0,4: 49:[33, 3, 48] Operation: 78-30=48 Moving to Node #0,4 Current State: 49:[33, 3, 48], Operations: ['78-30=48'] Exploring Operation: 48-33=15, Resulting Numbers: [3, 15] Generated Node #0,4,0: 49:[3, 15] Operation: 48-33=15 Exploring Operation: 33/3=11, Resulting Numbers: [48, 11] Generated Node #0,4,1: 49:[48, 11] Operation: 33/3=11 Exploring Operation: 3+48=51, Resulting Numbers: [33, 51] Generated Node #0,4,2: 49:[33, 51] Operation: 3+48=51 Exploring Operation: 33+3=36, Resulting Numbers: [48, 36] Generated Node #0,4,3: 49:[48, 36] Operation: 33+3=36 Exploring Operation: 33-3=30, Resulting Numbers: [48, 30] Generated Node #0,4,4: 49:[48, 30] Operation: 33-3=30 Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 49:[48, 11], Operations: ['78-30=48', '33/3=11'] Exploring Operation: 48-11=37, Resulting Numbers: [37] 37,49 unequal: No Solution Exploring Operation: 48*11=528, Resulting Numbers: [528] 528,49 unequal: No Solution Exploring Operation: 48+11=59, Resulting Numbers: [59] 59,49 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 #0,4,0 Current State: 49:[3, 15], Operations: ['78-30=48', '48-33=15'] Exploring Operation: 3+15=18, Resulting Numbers: [18] 18,49 unequal: No Solution Exploring Operation: 15/3=5, Resulting Numbers: [5] 5,49 unequal: No Solution Exploring Operation: 15-3=12, Resulting Numbers: [12] 12,49 unequal: No Solution Exploring Operation: 3*15=45, Resulting Numbers: [45] 45,49 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 #0,4,3 Current State: 49:[48, 36], Operations: ['78-30=48', '33+3=36'] Exploring Operation: 48-36=12, Resulting Numbers: [12] 12,49 unequal: No Solution Exploring Operation: 48*36=1728, Resulting Numbers: [1728] 1728,49 unequal: No Solution Exploring Operation: 48+36=84, Resulting Numbers: [84] 84,49 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 #0,4,2 Current State: 49:[33, 51], Operations: ['78-30=48', '3+48=51'] Exploring Operation: 51-33=18, Resulting Numbers: [18] 18,49 unequal: No Solution Exploring Operation: 33+51=84, Resulting Numbers: [84] 84,49 unequal: No Solution Exploring Operation: 33*51=1683, Resulting Numbers: [1683] 1683,49 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 #0,4,4 Current State: 49:[48, 30], Operations: ['78-30=48', '33-3=30'] Exploring Operation: 48*30=1440, Resulting Numbers: [1440] 1440,49 unequal: No Solution Exploring Operation: 48+30=78, Resulting Numbers: [78] 78,49 unequal: No Solution Exploring Operation: 48-30=18, Resulting Numbers: [18] 18,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 49:[3, 30, 45], Operations: ['78-33=45'] Exploring Operation: 45-30=15, Resulting Numbers: [3, 15] Generated Node #0,1,0: 49:[3, 15] Operation: 45-30=15 Exploring Operation: 3+45=48, Resulting Numbers: [30, 48] Generated Node #0,1,1: 49:[30, 48] Operation: 3+45=48 Exploring Operation: 30/3=10, Resulting Numbers: [45, 10] Generated Node #0,1,2: 49:[45, 10] Operation: 30/3=10 Exploring Operation: 30-3=27, Resulting Numbers: [45, 27] Generated Node #0,1,3: 49:[45, 27] Operation: 30-3=27 Exploring Operation: 3+30=33, Resulting Numbers: [45, 33] Generated Node #0,1,4: 49:[45, 33] Operation: 3+30=33 Moving to Node #0,3 Current State: 49:[3, 78, 3], Operations: ['33-30=3'] Exploring Operation: 78-3=75, Resulting Numbers: [3, 75] Generated Node #0,3,0: 49:[3, 75] Operation: 78-3=75 Exploring Operation: 78-3=75, Resulting Numbers: [3, 75] Generated Node #0,3,1: 49:[3, 75] Operation: 78-3=75 Exploring Operation: 78/3=26, Resulting Numbers: [3, 26] Generated Node #0,3,2: 49:[3, 26] Operation: 78/3=26 Exploring Operation: 78/3=26, Resulting Numbers: [3, 26] Generated Node #0,3,3: 49:[3, 26] Operation: 78/3=26 Exploring Operation: 3+3=6, Resulting Numbers: [78, 6] Generated Node #0,3,4: 49:[78, 6] Operation: 3+3=6 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 49:[3, 26], Operations: ['33-30=3', '78/3=26'] Exploring Operation: 3*26=78, Resulting Numbers: [78] 78,49 unequal: No Solution Exploring Operation: 26-3=23, Resulting Numbers: [23] 23,49 unequal: No Solution Exploring Operation: 3+26=29, Resulting Numbers: [29] 29,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 49:[3, 26], Operations: ['33-30=3', '78/3=26'] Exploring Operation: 3*26=78, Resulting Numbers: [78] 78,49 unequal: No Solution Exploring Operation: 26-3=23, Resulting Numbers: [23] 23,49 unequal: No Solution Exploring Operation: 3+26=29, Resulting Numbers: [29] 29,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 49:[3, 75], Operations: ['33-30=3', '78-3=75'] Exploring Operation: 75-3=72, Resulting Numbers: [72] 72,49 unequal: No Solution Exploring Operation: 3+75=78, Resulting Numbers: [78] 78,49 unequal: No Solution Exploring Operation: 3*75=225, Resulting Numbers: [225] 225,49 unequal: No Solution Exploring Operation: 75/3=25, Resulting Numbers: [25] 25,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 49:[3, 75], Operations: ['33-30=3', '78-3=75'] Exploring Operation: 75/3=25, Resulting Numbers: [25] 25,49 unequal: No Solution Exploring Operation: 3+75=78, Resulting Numbers: [78] 78,49 unequal: No Solution Exploring Operation: 75-3=72, Resulting Numbers: [72] 72,49 unequal: No Solution Exploring Operation: 3*75=225, Resulting Numbers: [225] 225,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 49:[78, 6], Operations: ['33-30=3', '3+3=6'] Exploring Operation: 78*6=468, Resulting Numbers: [468] 468,49 unequal: No Solution Exploring Operation: 78+6=84, Resulting Numbers: [84] 84,49 unequal: No Solution Exploring Operation: 78/6=13, Resulting Numbers: [13] 13,49 unequal: No Solution Exploring Operation: 78-6=72, Resulting Numbers: [72] 72,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 49:[3, 78, 63], Operations: ['33+30=63'] Exploring Operation: 78-63=15, Resulting Numbers: [3, 15] Generated Node #0,2,0: 49:[3, 15] Operation: 78-63=15 Exploring Operation: 78/3=26, Resulting Numbers: [63, 26] Generated Node #0,2,1: 49:[63, 26] Operation: 78/3=26 Exploring Operation: 78-3=75, Resulting Numbers: [63, 75] Generated Node #0,2,2: 49:[63, 75] Operation: 78-3=75 Exploring Operation: 63-3=60, Resulting Numbers: [78, 60] Generated Node #0,2,3: 49:[78, 60] Operation: 63-3=60 Exploring Operation: 63/3=21, Resulting Numbers: [78, 21] Generated Node #0,2,4: 49:[78, 21] Operation: 63/3=21 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 49:[3, 15], Operations: ['33+30=63', '78-63=15'] Exploring Operation: 15-3=12, Resulting Numbers: [12] 12,49 unequal: No Solution Exploring Operation: 15/3=5, Resulting Numbers: [5] 5,49 unequal: No Solution Exploring Operation: 3*15=45, Resulting Numbers: [45] 45,49 unequal: No Solution Exploring Operation: 3+15=18, Resulting Numbers: [18] 18,49 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:[63, 26], Operations: ['33+30=63', '78/3=26'] Exploring Operation: 63*26=1638, Resulting Numbers: [1638] 1638,49 unequal: No Solution Exploring Operation: 63-26=37, Resulting Numbers: [37] 37,49 unequal: No Solution Exploring Operation: 63+26=89, Resulting Numbers: [89] 89,49 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:[63, 75], Operations: ['33+30=63', '78-3=75'] Exploring Operation: 63*75=4725, Resulting Numbers: [4725] 4725,49 unequal: No Solution Exploring Operation: 63+75=138, Resulting Numbers: [138] 138,49 unequal: No Solution Exploring Operation: 75-63=12, Resulting Numbers: [12] 12,49 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 #0,2,3 Current State: 49:[78, 60], Operations: ['33+30=63', '63-3=60'] Exploring Operation: 78-60=18, Resulting Numbers: [18] 18,49 unequal: No Solution Exploring Operation: 78+60=138, Resulting Numbers: [138] 138,49 unequal: No Solution Exploring Operation: 78*60=4680, Resulting Numbers: [4680] 4680,49 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 #0,2,4 Current State: 49:[78, 21], Operations: ['33+30=63', '63/3=21'] Exploring Operation: 78-21=57, Resulting Numbers: [57] 57,49 unequal: No Solution Exploring Operation: 78+21=99, Resulting Numbers: [99] 99,49 unequal: No Solution Exploring Operation: 78*21=1638, Resulting Numbers: [1638] 1638,49 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:[33, 78, 10], Operations: ['30/3=10'] Exploring Operation: 78+10=88, Resulting Numbers: [33, 88] Generated Node #0,0,0: 49:[33, 88] Operation: 78+10=88 Exploring Operation: 33+10=43, Resulting Numbers: [78, 43] Generated Node #0,0,1: 49:[78, 43] Operation: 33+10=43 Exploring Operation: 78-33=45, Resulting Numbers: [10, 45] Generated Node #0,0,2: 49:[10, 45] Operation: 78-33=45 Exploring Operation: 33-10=23, Resulting Numbers: [78, 23] Generated Node #0,0,3: 49:[78, 23] Operation: 33-10=23 Exploring Operation: 78-10=68, Resulting Numbers: [33, 68] Generated Node #0,0,4: 49:[33, 68] Operation: 78-10=68 Moving to Node #0,1,2 Current State: 49:[45, 10], Operations: ['78-33=45', '30/3=10'] Exploring Operation: 45+10=55, Resulting Numbers: [55] 55,49 unequal: No Solution Exploring Operation: 45*10=450, Resulting Numbers: [450] 450,49 unequal: No Solution Exploring Operation: 45-10=35, Resulting Numbers: [35] 35,49 unequal: No Solution Moving to Node #0,0,2 Current State: 49:[10, 45], Operations: ['30/3=10', '78-33=45'] Exploring Operation: 45-10=35, Resulting Numbers: [35] 35,49 unequal: No Solution Exploring Operation: 10+45=55, Resulting Numbers: [55] 55,49 unequal: No Solution Exploring Operation: 10*45=450, Resulting Numbers: [450] 450,49 unequal: No Solution Moving to Node #0,1,0 Current State: 49:[3, 15], Operations: ['78-33=45', '45-30=15'] Exploring Operation: 15-3=12, Resulting Numbers: [12] 12,49 unequal: No Solution Exploring Operation: 3*15=45, Resulting Numbers: [45] 45,49 unequal: No Solution Exploring Operation: 15/3=5, Resulting Numbers: [5] 5,49 unequal: No Solution Exploring Operation: 3+15=18, Resulting Numbers: [18] 18,49 unequal: No Solution Moving to Node #0,1,1 Current State: 49:[30, 48], Operations: ['78-33=45', '3+45=48'] Exploring Operation: 48-30=18, Resulting Numbers: [18] 18,49 unequal: No Solution Exploring Operation: 30*48=1440, Resulting Numbers: [1440] 1440,49 unequal: No Solution Exploring Operation: 30+48=78, Resulting Numbers: [78] 78,49 unequal: No Solution Moving to Node #0,1,4 Current State: 49:[45, 33], Operations: ['78-33=45', '3+30=33'] Exploring Operation: 45-33=12, Resulting Numbers: [12] 12,49 unequal: No Solution Exploring Operation: 45*33=1485, Resulting Numbers: [1485] 1485,49 unequal: No Solution Exploring Operation: 45+33=78, Resulting Numbers: [78] 78,49 unequal: No Solution Moving to Node #0,1,3 Current State: 49:[45, 27], Operations: ['78-33=45', '30-3=27'] Exploring Operation: 45+27=72, Resulting Numbers: [72] 72,49 unequal: No Solution Exploring Operation: 45*27=1215, Resulting Numbers: [1215] 1215,49 unequal: No Solution Exploring Operation: 45-27=18, Resulting Numbers: [18] 18,49 unequal: No Solution Moving to Node #0,0,1 Current State: 49:[78, 43], Operations: ['30/3=10', '33+10=43'] Exploring Operation: 78*43=3354, Resulting Numbers: [3354] 3354,49 unequal: No Solution Exploring Operation: 78-43=35, Resulting Numbers: [35] 35,49 unequal: No Solution Exploring Operation: 78+43=121, Resulting Numbers: [121] 121,49 unequal: No Solution Moving to Node #0,0,4 Current State: 49:[33, 68], Operations: ['30/3=10', '78-10=68'] Exploring Operation: 68-33=35, Resulting Numbers: [35] 35,49 unequal: No Solution Exploring Operation: 33+68=101, Resulting Numbers: [101] 101,49 unequal: No Solution Exploring Operation: 33*68=2244, Resulting Numbers: [2244] 2244,49 unequal: No Solution Moving to Node #0,0,3 Current State: 49:[78, 23], Operations: ['30/3=10', '33-10=23'] Exploring Operation: 78*23=1794, Resulting Numbers: [1794] 1794,49 unequal: No Solution Exploring Operation: 78+23=101, Resulting Numbers: [101] 101,49 unequal: No Solution Exploring Operation: 78-23=55, Resulting Numbers: [55] 55,49 unequal: No Solution Moving to Node #0,0,0 Current State: 49:[33, 88], Operations: ['30/3=10', '78+10=88'] Exploring Operation: 33+88=121, Resulting Numbers: [121] 121,49 unequal: No Solution Exploring Operation: 33*88=2904, Resulting Numbers: [2904] 2904,49 unequal: No Solution Exploring Operation: 88-33=55, Resulting Numbers: [55] 55,49 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 54, 65, 6, 97 ]
41
[ "54/6=9", "97-65=32", "9+32=41" ]
Current State: 41:[54, 65, 6, 97], Operations: [] Exploring Operation: 54/6=9, Resulting Numbers: [65, 97, 9] Generated Node #2: [65, 97, 9] from Operation: 54/6=9 Current State: 41:[65, 97, 9], Operations: ['54/6=9'] Exploring Operation: 97-65=32, Resulting Numbers: [9, 32] Generated Node #3: [9, 32] from Operation: 97-65=32 Current State: 41:[9, 32], Operations: ['54/6=9', '97-65=32'] Exploring Operation: 9+32=41, Resulting Numbers: [41] 41,41 equal: Goal Reached
4
Current State: 41:[54, 65, 6, 97], Operations: [] Exploring Operation: 97-65=32, Resulting Numbers: [54, 6, 32] Generated Node #0,0: 41:[54, 6, 32] Operation: 97-65=32 Exploring Operation: 54-6=48, Resulting Numbers: [65, 97, 48] Generated Node #0,1: 41:[65, 97, 48] Operation: 54-6=48 Exploring Operation: 97-54=43, Resulting Numbers: [65, 6, 43] Generated Node #0,2: 41:[65, 6, 43] Operation: 97-54=43 Moving to Node #0,0 Current State: 41:[54, 6, 32], Operations: ['97-65=32'] Exploring Operation: 6+32=38, Resulting Numbers: [54, 38] Generated Node #0,0,0: 41:[54, 38] Operation: 6+32=38 Exploring Operation: 54+6=60, Resulting Numbers: [32, 60] Generated Node #0,0,1: 41:[32, 60] Operation: 54+6=60 Exploring Operation: 54-6=48, Resulting Numbers: [32, 48] Generated Node #0,0,2: 41:[32, 48] Operation: 54-6=48 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 41:[54, 38], Operations: ['97-65=32', '6+32=38'] Exploring Operation: 54*38=2052, Resulting Numbers: [2052] 2052,41 unequal: No Solution Exploring Operation: 54-38=16, Resulting Numbers: [16] 16,41 unequal: No Solution Exploring Operation: 54+38=92, Resulting Numbers: [92] 92,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 41:[32, 48], Operations: ['97-65=32', '54-6=48'] Exploring Operation: 32+48=80, Resulting Numbers: [80] 80,41 unequal: No Solution Exploring Operation: 48-32=16, Resulting Numbers: [16] 16,41 unequal: No Solution Exploring Operation: 32*48=1536, Resulting Numbers: [1536] 1536,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 41:[32, 60], Operations: ['97-65=32', '54+6=60'] Exploring Operation: 60-32=28, Resulting Numbers: [28] 28,41 unequal: No Solution Exploring Operation: 32+60=92, Resulting Numbers: [92] 92,41 unequal: No Solution Exploring Operation: 32*60=1920, Resulting Numbers: [1920] 1920,41 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:[65, 6, 43], Operations: ['97-54=43'] Exploring Operation: 43-6=37, Resulting Numbers: [65, 37] Generated Node #0,2,0: 41:[65, 37] Operation: 43-6=37 Exploring Operation: 65-6=59, Resulting Numbers: [43, 59] Generated Node #0,2,1: 41:[43, 59] Operation: 65-6=59 Exploring Operation: 65+6=71, Resulting Numbers: [43, 71] Generated Node #0,2,2: 41:[43, 71] Operation: 65+6=71 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 41:[43, 59], Operations: ['97-54=43', '65-6=59'] Exploring Operation: 59-43=16, Resulting Numbers: [16] 16,41 unequal: No Solution Exploring Operation: 43+59=102, Resulting Numbers: [102] 102,41 unequal: No Solution Exploring Operation: 43*59=2537, Resulting Numbers: [2537] 2537,41 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:[65, 37], Operations: ['97-54=43', '43-6=37'] Exploring Operation: 65+37=102, Resulting Numbers: [102] 102,41 unequal: No Solution Exploring Operation: 65*37=2405, Resulting Numbers: [2405] 2405,41 unequal: No Solution Exploring Operation: 65-37=28, Resulting Numbers: [28] 28,41 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 #0,2,2 Current State: 41:[43, 71], Operations: ['97-54=43', '65+6=71'] Exploring Operation: 71-43=28, Resulting Numbers: [28] 28,41 unequal: No Solution Exploring Operation: 43+71=114, Resulting Numbers: [114] 114,41 unequal: No Solution Exploring Operation: 43*71=3053, Resulting Numbers: [3053] 3053,41 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: 41:[65, 97, 48], Operations: ['54-6=48'] Exploring Operation: 97-65=32, Resulting Numbers: [48, 32] Generated Node #0,1,0: 41:[48, 32] Operation: 97-65=32 Exploring Operation: 97-48=49, Resulting Numbers: [65, 49] Generated Node #0,1,1: 41:[65, 49] Operation: 97-48=49 Exploring Operation: 65-48=17, Resulting Numbers: [97, 17] Generated Node #0,1,2: 41:[97, 17] Operation: 65-48=17 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 41:[48, 32], Operations: ['54-6=48', '97-65=32'] Exploring Operation: 48+32=80, Resulting Numbers: [80] 80,41 unequal: No Solution Exploring Operation: 48-32=16, Resulting Numbers: [16] 16,41 unequal: No Solution Exploring Operation: 48*32=1536, Resulting Numbers: [1536] 1536,41 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:[65, 49], Operations: ['54-6=48', '97-48=49'] Exploring Operation: 65-49=16, Resulting Numbers: [16] 16,41 unequal: No Solution Exploring Operation: 65*49=3185, Resulting Numbers: [3185] 3185,41 unequal: No Solution Exploring Operation: 65+49=114, Resulting Numbers: [114] 114,41 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:[97, 17], Operations: ['54-6=48', '65-48=17'] Exploring Operation: 97*17=1649, Resulting Numbers: [1649] 1649,41 unequal: No Solution Exploring Operation: 97-17=80, Resulting Numbers: [80] 80,41 unequal: No Solution Exploring Operation: 97+17=114, Resulting Numbers: [114] 114,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 36, 11, 16, 40 ]
30
[ "11+16=27", "40*27=1080", "1080/36=30" ]
Current State: 30:[36, 11, 16, 40], Operations: [] Exploring Operation: 11+16=27, Resulting Numbers: [36, 40, 27] Generated Node #2: [36, 40, 27] from Operation: 11+16=27 Current State: 30:[36, 40, 27], Operations: ['11+16=27'] Exploring Operation: 40*27=1080, Resulting Numbers: [36, 1080] Generated Node #3: [36, 1080] from Operation: 40*27=1080 Current State: 30:[36, 1080], Operations: ['11+16=27', '40*27=1080'] Exploring Operation: 1080/36=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
4
Current State: 30:[36, 11, 16, 40], Operations: [] Exploring Operation: 40-36=4, Resulting Numbers: [11, 16, 4] Generated Node #0,0: 30:[11, 16, 4] Operation: 40-36=4 Exploring Operation: 40-16=24, Resulting Numbers: [36, 11, 24] Generated Node #0,1: 30:[36, 11, 24] Operation: 40-16=24 Exploring Operation: 40-11=29, Resulting Numbers: [36, 16, 29] Generated Node #0,2: 30:[36, 16, 29] Operation: 40-11=29 Start Sub Search at level 1: Moving to Node #0,0 Current State: 30:[11, 16, 4], Operations: ['40-36=4'] Exploring Operation: 11+4=15, Resulting Numbers: [16, 15] Generated Node #0,0,0: 30:[16, 15] Operation: 11+4=15 Exploring Operation: 16-11=5, Resulting Numbers: [4, 5] Generated Node #0,0,1: 30:[4, 5] Operation: 16-11=5 Exploring Operation: 11-4=7, Resulting Numbers: [16, 7] Generated Node #0,0,2: 30:[16, 7] Operation: 11-4=7 Moving to Node #0,0,0 Current State: 30:[16, 15], Operations: ['40-36=4', '11+4=15'] Exploring Operation: 16*15=240, Resulting Numbers: [240] 240,30 unequal: No Solution Exploring Operation: 16+15=31, Resulting Numbers: [31] 31,30 unequal: No Solution Exploring Operation: 16-15=1, Resulting Numbers: [1] 1,30 unequal: No Solution Moving to Node #0,0,1 Current State: 30:[4, 5], Operations: ['40-36=4', '16-11=5'] Exploring Operation: 4*5=20, Resulting Numbers: [20] 20,30 unequal: No Solution Exploring Operation: 4+5=9, Resulting Numbers: [9] 9,30 unequal: No Solution Exploring Operation: 5-4=1, Resulting Numbers: [1] 1,30 unequal: No Solution Moving to Node #0,0,2 Current State: 30:[16, 7], Operations: ['40-36=4', '11-4=7'] Exploring Operation: 16+7=23, Resulting Numbers: [23] 23,30 unequal: No Solution Exploring Operation: 16*7=112, Resulting Numbers: [112] 112,30 unequal: No Solution Exploring Operation: 16-7=9, Resulting Numbers: [9] 9,30 unequal: No Solution No 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: 30:[36, 16, 29], Operations: ['40-11=29'] Exploring Operation: 36-29=7, Resulting Numbers: [16, 7] Generated Node #0,2,0: 30:[16, 7] Operation: 36-29=7 Exploring Operation: 29-16=13, Resulting Numbers: [36, 13] Generated Node #0,2,1: 30:[36, 13] Operation: 29-16=13 Exploring Operation: 36-16=20, Resulting Numbers: [29, 20] Generated Node #0,2,2: 30:[29, 20] Operation: 36-16=20 Moving to Node #0,2,0 Current State: 30:[16, 7], Operations: ['40-11=29', '36-29=7'] Exploring Operation: 16+7=23, Resulting Numbers: [23] 23,30 unequal: No Solution Exploring Operation: 16*7=112, Resulting Numbers: [112] 112,30 unequal: No Solution Exploring Operation: 16-7=9, Resulting Numbers: [9] 9,30 unequal: No Solution Moving to Node #0,2,2 Current State: 30:[29, 20], Operations: ['40-11=29', '36-16=20'] Exploring Operation: 29-20=9, Resulting Numbers: [9] 9,30 unequal: No Solution Exploring Operation: 29+20=49, Resulting Numbers: [49] 49,30 unequal: No Solution Exploring Operation: 29*20=580, Resulting Numbers: [580] 580,30 unequal: No Solution Moving to Node #0,2,1 Current State: 30:[36, 13], Operations: ['40-11=29', '29-16=13'] Exploring Operation: 36-13=23, Resulting Numbers: [23] 23,30 unequal: No Solution Exploring Operation: 36+13=49, Resulting Numbers: [49] 49,30 unequal: No Solution Exploring Operation: 36*13=468, Resulting Numbers: [468] 468,30 unequal: No Solution No 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: 30:[36, 11, 24], Operations: ['40-16=24'] Exploring Operation: 36-11=25, Resulting Numbers: [24, 25] Generated Node #0,1,0: 30:[24, 25] Operation: 36-11=25 Exploring Operation: 36-24=12, Resulting Numbers: [11, 12] Generated Node #0,1,1: 30:[11, 12] Operation: 36-24=12 Exploring Operation: 24-11=13, Resulting Numbers: [36, 13] Generated Node #0,1,2: 30:[36, 13] Operation: 24-11=13 Moving to Node #0,1,1 Current State: 30:[11, 12], Operations: ['40-16=24', '36-24=12'] Exploring Operation: 11+12=23, Resulting Numbers: [23] 23,30 unequal: No Solution Exploring Operation: 12-11=1, Resulting Numbers: [1] 1,30 unequal: No Solution Exploring Operation: 11*12=132, Resulting Numbers: [132] 132,30 unequal: No Solution Moving to Node #0,1,2 Current State: 30:[36, 13], Operations: ['40-16=24', '24-11=13'] Exploring Operation: 36+13=49, Resulting Numbers: [49] 49,30 unequal: No Solution Exploring Operation: 36*13=468, Resulting Numbers: [468] 468,30 unequal: No Solution Exploring Operation: 36-13=23, Resulting Numbers: [23] 23,30 unequal: No Solution Moving to Node #0,1,0 Current State: 30:[24, 25], Operations: ['40-16=24', '36-11=25'] Exploring Operation: 24+25=49, Resulting Numbers: [49] 49,30 unequal: No Solution Exploring Operation: 25-24=1, Resulting Numbers: [1] 1,30 unequal: No Solution Exploring Operation: 24*25=600, Resulting Numbers: [600] 600,30 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
[ 5, 8, 3, 12 ]
25
[ "5*8=40", "3+12=15", "40-15=25" ]
Current State: 25:[5, 8, 3, 12], Operations: [] Exploring Operation: 5*8=40, Resulting Numbers: [3, 12, 40] Generated Node #2: [3, 12, 40] from Operation: 5*8=40 Current State: 25:[3, 12, 40], Operations: ['5*8=40'] Exploring Operation: 3+12=15, Resulting Numbers: [40, 15] Generated Node #3: [40, 15] from Operation: 3+12=15 Current State: 25:[40, 15], Operations: ['5*8=40', '3+12=15'] Exploring Operation: 40-15=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[5, 8, 3, 12], Operations: [] Exploring Operation: 12-8=4, Resulting Numbers: [5, 3, 4] Generated Node #0,0: 25:[5, 3, 4] Operation: 12-8=4 Exploring Operation: 12-5=7, Resulting Numbers: [8, 3, 7] Generated Node #0,1: 25:[8, 3, 7] Operation: 12-5=7 Exploring Operation: 12/3=4, Resulting Numbers: [5, 8, 4] Generated Node #0,2: 25:[5, 8, 4] Operation: 12/3=4 Start Sub Search at level 1: Moving to Node #0,0 Current State: 25:[5, 3, 4], Operations: ['12-8=4'] Exploring Operation: 5-3=2, Resulting Numbers: [4, 2] Generated Node #0,0,0: 25:[4, 2] Operation: 5-3=2 Exploring Operation: 5+3=8, Resulting Numbers: [4, 8] Generated Node #0,0,1: 25:[4, 8] Operation: 5+3=8 Exploring Operation: 3+4=7, Resulting Numbers: [5, 7] Generated Node #0,0,2: 25:[5, 7] Operation: 3+4=7 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 25:[5, 7], Operations: ['12-8=4', '3+4=7'] Exploring Operation: 5+7=12, Resulting Numbers: [12] 12,25 unequal: No Solution Exploring Operation: 7-5=2, Resulting Numbers: [2] 2,25 unequal: No Solution Exploring Operation: 5*7=35, Resulting Numbers: [35] 35,25 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 25:[4, 2], Operations: ['12-8=4', '5-3=2'] Exploring Operation: 4*2=8, Resulting Numbers: [8] 8,25 unequal: No Solution Exploring Operation: 4+2=6, Resulting Numbers: [6] 6,25 unequal: No Solution Exploring Operation: 4-2=2, Resulting Numbers: [2] 2,25 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 25:[4, 8], Operations: ['12-8=4', '5+3=8'] Exploring Operation: 8-4=4, Resulting Numbers: [4] 4,25 unequal: No Solution Exploring Operation: 4+8=12, Resulting Numbers: [12] 12,25 unequal: No Solution Exploring Operation: 8/4=2, Resulting Numbers: [2] 2,25 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 25:[5, 8, 4], Operations: ['12/3=4'] Exploring Operation: 8/4=2, Resulting Numbers: [5, 2] Generated Node #0,2,0: 25:[5, 2] Operation: 8/4=2 Exploring Operation: 8-4=4, Resulting Numbers: [5, 4] Generated Node #0,2,1: 25:[5, 4] Operation: 8-4=4 Exploring Operation: 8-5=3, Resulting Numbers: [4, 3] Generated Node #0,2,2: 25:[4, 3] Operation: 8-5=3 Moving to Node #0,2,1 Current State: 25:[5, 4], Operations: ['12/3=4', '8-4=4'] Exploring Operation: 5+4=9, Resulting Numbers: [9] 9,25 unequal: No Solution Exploring Operation: 5-4=1, Resulting Numbers: [1] 1,25 unequal: No Solution Exploring Operation: 5*4=20, Resulting Numbers: [20] 20,25 unequal: No Solution Moving to Node #0,2,0 Current State: 25:[5, 2], Operations: ['12/3=4', '8/4=2'] Exploring Operation: 5-2=3, Resulting Numbers: [3] 3,25 unequal: No Solution Exploring Operation: 5+2=7, Resulting Numbers: [7] 7,25 unequal: No Solution Exploring Operation: 5*2=10, Resulting Numbers: [10] 10,25 unequal: No Solution Moving to Node #0,2,2 Current State: 25:[4, 3], Operations: ['12/3=4', '8-5=3'] Exploring Operation: 4-3=1, Resulting Numbers: [1] 1,25 unequal: No Solution Exploring Operation: 4+3=7, Resulting Numbers: [7] 7,25 unequal: No Solution Exploring Operation: 4*3=12, Resulting Numbers: [12] 12,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 25:[8, 3, 7], Operations: ['12-5=7'] Exploring Operation: 8*3=24, Resulting Numbers: [7, 24] Generated Node #0,1,0: 25:[7, 24] Operation: 8*3=24 Exploring Operation: 7-3=4, Resulting Numbers: [8, 4] Generated Node #0,1,1: 25:[8, 4] Operation: 7-3=4 Exploring Operation: 8-3=5, Resulting Numbers: [7, 5] Generated Node #0,1,2: 25:[7, 5] Operation: 8-3=5 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 25:[7, 5], Operations: ['12-5=7', '8-3=5'] Exploring Operation: 7-5=2, Resulting Numbers: [2] 2,25 unequal: No Solution Exploring Operation: 7+5=12, Resulting Numbers: [12] 12,25 unequal: No Solution Exploring Operation: 7*5=35, Resulting Numbers: [35] 35,25 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 25:[7, 24], Operations: ['12-5=7', '8*3=24'] Exploring Operation: 24-7=17, Resulting Numbers: [17] 17,25 unequal: No Solution Exploring Operation: 7*24=168, Resulting Numbers: [168] 168,25 unequal: No Solution Exploring Operation: 7+24=31, Resulting Numbers: [31] 31,25 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 25:[8, 4], Operations: ['12-5=7', '7-3=4'] Exploring Operation: 8-4=4, Resulting Numbers: [4] 4,25 unequal: No Solution Exploring Operation: 8+4=12, Resulting Numbers: [12] 12,25 unequal: No Solution Exploring Operation: 8/4=2, Resulting Numbers: [2] 2,25 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_3
mult_heuristic
[ 5, 89, 46, 20 ]
31
[ "89+46=135", "20+135=155", "155/5=31" ]
Current State: 31:[5, 89, 46, 20], Operations: [] Exploring Operation: 89+46=135, Resulting Numbers: [5, 20, 135] Generated Node #2: [5, 20, 135] from Operation: 89+46=135 Current State: 31:[5, 20, 135], Operations: ['89+46=135'] Exploring Operation: 20+135=155, Resulting Numbers: [5, 155] Generated Node #3: [5, 155] from Operation: 20+135=155 Current State: 31:[5, 155], Operations: ['89+46=135', '20+135=155'] Exploring Operation: 155/5=31, Resulting Numbers: [31] 31,31 equal: Goal Reached
4
Current State: 31:[5, 89, 46, 20], Operations: [] Exploring Operation: 89-46=43, Resulting Numbers: [5, 20, 43] Generated Node #0,0: 31:[5, 20, 43] Operation: 89-46=43 Start Sub Search at level 1: Moving to Node #0,0 Current State: 31:[5, 20, 43], Operations: ['89-46=43'] Exploring Operation: 5+20=25, Resulting Numbers: [43, 25] Generated Node #0,0,0: 31:[43, 25] Operation: 5+20=25 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 31:[43, 25], Operations: ['89-46=43', '5+20=25'] Exploring Operation: 43-25=18, Resulting Numbers: [18] 18,31 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
[ 39, 19, 39, 16 ]
52
[ "19-16=3", "39/3=13", "39+13=52" ]
Current State: 52:[39, 19, 39, 16], Operations: [] Exploring Operation: 19-16=3, Resulting Numbers: [39, 39, 3] Generated Node #2: [39, 39, 3] from Operation: 19-16=3 Current State: 52:[39, 39, 3], Operations: ['19-16=3'] Exploring Operation: 39/3=13, Resulting Numbers: [13] 13,52 equal: Goal Reached Exploring Operation: 39+13=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[39, 19, 39, 16], Operations: [] Exploring Operation: 39-39=0, Resulting Numbers: [19, 16, 0] Generated Node #0,0: 52:[19, 16, 0] Operation: 39-39=0 Exploring Operation: 39/39=1, Resulting Numbers: [19, 16, 1] Generated Node #0,1: 52:[19, 16, 1] Operation: 39/39=1 Exploring Operation: 39+19=58, Resulting Numbers: [39, 16, 58] Generated Node #0,2: 52:[39, 16, 58] Operation: 39+19=58 Moving to Node #0,1 Current State: 52:[19, 16, 1], Operations: ['39/39=1'] Exploring Operation: 19-1=18, Resulting Numbers: [16, 18] Generated Node #0,1,0: 52:[16, 18] Operation: 19-1=18 Exploring Operation: 16-1=15, Resulting Numbers: [19, 15] Generated Node #0,1,1: 52:[19, 15] Operation: 16-1=15 Exploring Operation: 19-16=3, Resulting Numbers: [1, 3] Generated Node #0,1,2: 52:[1, 3] Operation: 19-16=3 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 52:[1, 3], Operations: ['39/39=1', '19-16=3'] Exploring Operation: 1*3=3, Resulting Numbers: [3] 3,52 unequal: No Solution Exploring Operation: 3-1=2, Resulting Numbers: [2] 2,52 unequal: No Solution Exploring Operation: 1+3=4, Resulting Numbers: [4] 4,52 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:[16, 18], Operations: ['39/39=1', '19-1=18'] Exploring Operation: 16*18=288, Resulting Numbers: [288] 288,52 unequal: No Solution Exploring Operation: 18-16=2, Resulting Numbers: [2] 2,52 unequal: No Solution Exploring Operation: 16+18=34, Resulting Numbers: [34] 34,52 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:[19, 15], Operations: ['39/39=1', '16-1=15'] Exploring Operation: 19-15=4, Resulting Numbers: [4] 4,52 unequal: No Solution Exploring Operation: 19*15=285, Resulting Numbers: [285] 285,52 unequal: No Solution Exploring Operation: 19+15=34, Resulting Numbers: [34] 34,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 52:[19, 16, 0], Operations: ['39-39=0'] Exploring Operation: 16*0=0, Resulting Numbers: [19, 0] Generated Node #0,0,0: 52:[19, 0] Operation: 16*0=0 Exploring Operation: 19-16=3, Resulting Numbers: [0, 3] Generated Node #0,0,1: 52:[0, 3] Operation: 19-16=3 Exploring Operation: 19*0=0, Resulting Numbers: [16, 0] Generated Node #0,0,2: 52:[16, 0] Operation: 19*0=0 Moving to Node #0,2 Current State: 52:[39, 16, 58], Operations: ['39+19=58'] Exploring Operation: 58-39=19, Resulting Numbers: [16, 19] Generated Node #0,2,0: 52:[16, 19] Operation: 58-39=19 Exploring Operation: 39+16=55, Resulting Numbers: [58, 55] Generated Node #0,2,1: 52:[58, 55] Operation: 39+16=55 Exploring Operation: 39-16=23, Resulting Numbers: [58, 23] Generated Node #0,2,2: 52:[58, 23] Operation: 39-16=23 Moving to Node #0,0,1 Current State: 52:[0, 3], Operations: ['39-39=0', '19-16=3'] Exploring Operation: 0+3=3, Resulting Numbers: [3] 3,52 unequal: No Solution Exploring Operation: 3-0=3, Resulting Numbers: [3] 3,52 unequal: No Solution Exploring Operation: 0*3=0, Resulting Numbers: [0] 0,52 unequal: No Solution Moving to Node #0,0,2 Current State: 52:[16, 0], Operations: ['39-39=0', '19*0=0'] Exploring Operation: 16+0=16, Resulting Numbers: [16] 16,52 unequal: No Solution Exploring Operation: 16-0=16, Resulting Numbers: [16] 16,52 unequal: No Solution Exploring Operation: 16*0=0, Resulting Numbers: [0] 0,52 unequal: No Solution Moving to Node #0,0,0 Current State: 52:[19, 0], Operations: ['39-39=0', '16*0=0'] Exploring Operation: 19+0=19, Resulting Numbers: [19] 19,52 unequal: No Solution Exploring Operation: 19*0=0, Resulting Numbers: [0] 0,52 unequal: No Solution Exploring Operation: 19-0=19, Resulting Numbers: [19] 19,52 unequal: No Solution Moving to Node #0,2,2 Current State: 52:[58, 23], Operations: ['39+19=58', '39-16=23'] Exploring Operation: 58+23=81, Resulting Numbers: [81] 81,52 unequal: No Solution Exploring Operation: 58-23=35, Resulting Numbers: [35] 35,52 unequal: No Solution Exploring Operation: 58*23=1334, Resulting Numbers: [1334] 1334,52 unequal: No Solution Moving to Node #0,2,1 Current State: 52:[58, 55], Operations: ['39+19=58', '39+16=55'] Exploring Operation: 58-55=3, Resulting Numbers: [3] 3,52 unequal: No Solution Exploring Operation: 58*55=3190, Resulting Numbers: [3190] 3190,52 unequal: No Solution Exploring Operation: 58+55=113, Resulting Numbers: [113] 113,52 unequal: No Solution Moving to Node #0,2,0 Current State: 52:[16, 19], Operations: ['39+19=58', '58-39=19'] Exploring Operation: 16*19=304, Resulting Numbers: [304] 304,52 unequal: No Solution Exploring Operation: 16+19=35, Resulting Numbers: [35] 35,52 unequal: No Solution Exploring Operation: 19-16=3, Resulting Numbers: [3] 3,52 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 51, 54, 5, 97 ]
82
[ "54-51=3", "5*3=15", "97-15=82" ]
Current State: 82:[51, 54, 5, 97], Operations: [] Exploring Operation: 54-51=3, Resulting Numbers: [5, 97, 3] Generated Node #2: [5, 97, 3] from Operation: 54-51=3 Current State: 82:[5, 97, 3], Operations: ['54-51=3'] Exploring Operation: 5*3=15, Resulting Numbers: [97, 15] Generated Node #3: [97, 15] from Operation: 5*3=15 Current State: 82:[97, 15], Operations: ['54-51=3', '5*3=15'] Exploring Operation: 97-15=82, Resulting Numbers: [82] 82,82 equal: Goal Reached
4
Current State: 82:[51, 54, 5, 97], Operations: [] Exploring Operation: 97-51=46, Resulting Numbers: [54, 5, 46] Generated Node #0,0: 82:[54, 5, 46] Operation: 97-51=46 Exploring Operation: 97-54=43, Resulting Numbers: [51, 5, 43] Generated Node #0,1: 82:[51, 5, 43] Operation: 97-54=43 Exploring Operation: 54-5=49, Resulting Numbers: [51, 97, 49] Generated Node #0,2: 82:[51, 97, 49] Operation: 54-5=49 Exploring Operation: 54-51=3, Resulting Numbers: [5, 97, 3] Generated Node #0,3: 82:[5, 97, 3] Operation: 54-51=3 Exploring Operation: 51-5=46, Resulting Numbers: [54, 97, 46] Generated Node #0,4: 82:[54, 97, 46] Operation: 51-5=46 Start Sub Search at level 1: Moving to Node #0,1 Current State: 82:[51, 5, 43], Operations: ['97-54=43'] Exploring Operation: 51-43=8, Resulting Numbers: [5, 8] Generated Node #0,1,0: 82:[5, 8] Operation: 51-43=8 Exploring Operation: 51-5=46, Resulting Numbers: [43, 46] Generated Node #0,1,1: 82:[43, 46] Operation: 51-5=46 Exploring Operation: 51+5=56, Resulting Numbers: [43, 56] Generated Node #0,1,2: 82:[43, 56] Operation: 51+5=56 Exploring Operation: 51+43=94, Resulting Numbers: [5, 94] Generated Node #0,1,3: 82:[5, 94] Operation: 51+43=94 Exploring Operation: 43-5=38, Resulting Numbers: [51, 38] Generated Node #0,1,4: 82:[51, 38] Operation: 43-5=38 Moving to Node #0,1,1 Current State: 82:[43, 46], Operations: ['97-54=43', '51-5=46'] Exploring Operation: 43+46=89, Resulting Numbers: [89] 89,82 unequal: No Solution Exploring Operation: 43*46=1978, Resulting Numbers: [1978] 1978,82 unequal: No Solution Exploring Operation: 46-43=3, Resulting Numbers: [3] 3,82 unequal: No Solution Moving to Node #0,1,0 Current State: 82:[5, 8], Operations: ['97-54=43', '51-43=8'] Exploring Operation: 8-5=3, Resulting Numbers: [3] 3,82 unequal: No Solution Exploring Operation: 5+8=13, Resulting Numbers: [13] 13,82 unequal: No Solution Exploring Operation: 5*8=40, Resulting Numbers: [40] 40,82 unequal: No Solution Moving to Node #0,1,4 Current State: 82:[51, 38], Operations: ['97-54=43', '43-5=38'] Exploring Operation: 51-38=13, Resulting Numbers: [13] 13,82 unequal: No Solution Exploring Operation: 51+38=89, Resulting Numbers: [89] 89,82 unequal: No Solution Exploring Operation: 51*38=1938, Resulting Numbers: [1938] 1938,82 unequal: No Solution Moving to Node #0,1,3 Current State: 82:[5, 94], Operations: ['97-54=43', '51+43=94'] Exploring Operation: 94-5=89, Resulting Numbers: [89] 89,82 unequal: No Solution Exploring Operation: 5*94=470, Resulting Numbers: [470] 470,82 unequal: No Solution Exploring Operation: 5+94=99, Resulting Numbers: [99] 99,82 unequal: No Solution Moving to Node #0,1,2 Current State: 82:[43, 56], Operations: ['97-54=43', '51+5=56'] Exploring Operation: 43*56=2408, Resulting Numbers: [2408] 2408,82 unequal: No Solution Exploring Operation: 43+56=99, Resulting Numbers: [99] 99,82 unequal: No Solution Exploring Operation: 56-43=13, Resulting Numbers: [13] 13,82 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 82:[5, 97, 3], Operations: ['54-51=3'] Exploring Operation: 5+97=102, Resulting Numbers: [3, 102] Generated Node #0,3,0: 82:[3, 102] Operation: 5+97=102 Exploring Operation: 97-5=92, Resulting Numbers: [3, 92] Generated Node #0,3,1: 82:[3, 92] Operation: 97-5=92 Exploring Operation: 97-3=94, Resulting Numbers: [5, 94] Generated Node #0,3,2: 82:[5, 94] Operation: 97-3=94 Exploring Operation: 5-3=2, Resulting Numbers: [97, 2] Generated Node #0,3,3: 82:[97, 2] Operation: 5-3=2 Exploring Operation: 5+3=8, Resulting Numbers: [97, 8] Generated Node #0,3,4: 82:[97, 8] Operation: 5+3=8 Moving to Node #0,3,1 Current State: 82:[3, 92], Operations: ['54-51=3', '97-5=92'] Exploring Operation: 3*92=276, Resulting Numbers: [276] 276,82 unequal: No Solution Exploring Operation: 92-3=89, Resulting Numbers: [89] 89,82 unequal: No Solution Exploring Operation: 3+92=95, Resulting Numbers: [95] 95,82 unequal: No Solution Moving to Node #0,3,3 Current State: 82:[97, 2], Operations: ['54-51=3', '5-3=2'] Exploring Operation: 97*2=194, Resulting Numbers: [194] 194,82 unequal: No Solution Exploring Operation: 97-2=95, Resulting Numbers: [95] 95,82 unequal: No Solution Exploring Operation: 97+2=99, Resulting Numbers: [99] 99,82 unequal: No Solution Moving to Node #0,3,2 Current State: 82:[5, 94], Operations: ['54-51=3', '97-3=94'] Exploring Operation: 5+94=99, Resulting Numbers: [99] 99,82 unequal: No Solution Exploring Operation: 5*94=470, Resulting Numbers: [470] 470,82 unequal: No Solution Exploring Operation: 94-5=89, Resulting Numbers: [89] 89,82 unequal: No Solution Moving to Node #0,3,0 Current State: 82:[3, 102], Operations: ['54-51=3', '5+97=102'] Exploring Operation: 3*102=306, Resulting Numbers: [306] 306,82 unequal: No Solution Exploring Operation: 3+102=105, Resulting Numbers: [105] 105,82 unequal: No Solution Exploring Operation: 102-3=99, Resulting Numbers: [99] 99,82 unequal: No Solution Exploring Operation: 102/3=34, Resulting Numbers: [34] 34,82 unequal: No Solution Moving to Node #0,3,4 Current State: 82:[97, 8], Operations: ['54-51=3', '5+3=8'] Exploring Operation: 97-8=89, Resulting Numbers: [89] 89,82 unequal: No Solution Exploring Operation: 97*8=776, Resulting Numbers: [776] 776,82 unequal: No Solution Exploring Operation: 97+8=105, Resulting Numbers: [105] 105,82 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 82:[54, 5, 46], Operations: ['97-51=46'] Exploring Operation: 54+5=59, Resulting Numbers: [46, 59] Generated Node #0,0,0: 82:[46, 59] Operation: 54+5=59 Exploring Operation: 54-46=8, Resulting Numbers: [5, 8] Generated Node #0,0,1: 82:[5, 8] Operation: 54-46=8 Exploring Operation: 54+46=100, Resulting Numbers: [5, 100] Generated Node #0,0,2: 82:[5, 100] Operation: 54+46=100 Exploring Operation: 54-5=49, Resulting Numbers: [46, 49] Generated Node #0,0,3: 82:[46, 49] Operation: 54-5=49 Exploring Operation: 46-5=41, Resulting Numbers: [54, 41] Generated Node #0,0,4: 82:[54, 41] Operation: 46-5=41 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 82:[5, 8], Operations: ['97-51=46', '54-46=8'] Exploring Operation: 5*8=40, Resulting Numbers: [40] 40,82 unequal: No Solution Exploring Operation: 8-5=3, Resulting Numbers: [3] 3,82 unequal: No Solution Exploring Operation: 5+8=13, Resulting Numbers: [13] 13,82 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 82:[46, 49], Operations: ['97-51=46', '54-5=49'] Exploring Operation: 46+49=95, Resulting Numbers: [95] 95,82 unequal: No Solution Exploring Operation: 46*49=2254, Resulting Numbers: [2254] 2254,82 unequal: No Solution Exploring Operation: 49-46=3, Resulting Numbers: [3] 3,82 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 82:[54, 41], Operations: ['97-51=46', '46-5=41'] Exploring Operation: 54-41=13, Resulting Numbers: [13] 13,82 unequal: No Solution Exploring Operation: 54*41=2214, Resulting Numbers: [2214] 2214,82 unequal: No Solution Exploring Operation: 54+41=95, Resulting Numbers: [95] 95,82 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 82:[5, 100], Operations: ['97-51=46', '54+46=100'] Exploring Operation: 5+100=105, Resulting Numbers: [105] 105,82 unequal: No Solution Exploring Operation: 100-5=95, Resulting Numbers: [95] 95,82 unequal: No Solution Exploring Operation: 5*100=500, Resulting Numbers: [500] 500,82 unequal: No Solution Exploring Operation: 100/5=20, Resulting Numbers: [20] 20,82 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 82:[46, 59], Operations: ['97-51=46', '54+5=59'] Exploring Operation: 46+59=105, Resulting Numbers: [105] 105,82 unequal: No Solution Exploring Operation: 46*59=2714, Resulting Numbers: [2714] 2714,82 unequal: No Solution Exploring Operation: 59-46=13, Resulting Numbers: [13] 13,82 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 82:[51, 97, 49], Operations: ['54-5=49'] Exploring Operation: 51+49=100, Resulting Numbers: [97, 100] Generated Node #0,2,0: 82:[97, 100] Operation: 51+49=100 Exploring Operation: 97-49=48, Resulting Numbers: [51, 48] Generated Node #0,2,1: 82:[51, 48] Operation: 97-49=48 Exploring Operation: 51-49=2, Resulting Numbers: [97, 2] Generated Node #0,2,2: 82:[97, 2] Operation: 51-49=2 Exploring Operation: 51+97=148, Resulting Numbers: [49, 148] Generated Node #0,2,3: 82:[49, 148] Operation: 51+97=148 Exploring Operation: 97-51=46, Resulting Numbers: [49, 46] Generated Node #0,2,4: 82:[49, 46] Operation: 97-51=46 Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 82:[49, 46], Operations: ['54-5=49', '97-51=46'] Exploring Operation: 49*46=2254, Resulting Numbers: [2254] 2254,82 unequal: No Solution Exploring Operation: 49+46=95, Resulting Numbers: [95] 95,82 unequal: No Solution Exploring Operation: 49-46=3, Resulting Numbers: [3] 3,82 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 82:[97, 2], Operations: ['54-5=49', '51-49=2'] Exploring Operation: 97-2=95, Resulting Numbers: [95] 95,82 unequal: No Solution Exploring Operation: 97+2=99, Resulting Numbers: [99] 99,82 unequal: No Solution Exploring Operation: 97*2=194, Resulting Numbers: [194] 194,82 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 82:[51, 48], Operations: ['54-5=49', '97-49=48'] Exploring Operation: 51-48=3, Resulting Numbers: [3] 3,82 unequal: No Solution Exploring Operation: 51+48=99, Resulting Numbers: [99] 99,82 unequal: No Solution Exploring Operation: 51*48=2448, Resulting Numbers: [2448] 2448,82 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 82:[97, 100], Operations: ['54-5=49', '51+49=100'] Exploring Operation: 97+100=197, Resulting Numbers: [197] 197,82 unequal: No Solution Exploring Operation: 100-97=3, Resulting Numbers: [3] 3,82 unequal: No Solution Exploring Operation: 97*100=9700, Resulting Numbers: [9700] 9700,82 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 82:[49, 148], Operations: ['54-5=49', '51+97=148'] Exploring Operation: 148-49=99, Resulting Numbers: [99] 99,82 unequal: No Solution Exploring Operation: 49+148=197, Resulting Numbers: [197] 197,82 unequal: No Solution Exploring Operation: 49*148=7252, Resulting Numbers: [7252] 7252,82 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 82:[54, 97, 46], Operations: ['51-5=46'] Exploring Operation: 54+97=151, Resulting Numbers: [46, 151] Generated Node #0,4,0: 82:[46, 151] Operation: 54+97=151 Exploring Operation: 54-46=8, Resulting Numbers: [97, 8] Generated Node #0,4,1: 82:[97, 8] Operation: 54-46=8 Exploring Operation: 97-54=43, Resulting Numbers: [46, 43] Generated Node #0,4,2: 82:[46, 43] Operation: 97-54=43 Exploring Operation: 54+46=100, Resulting Numbers: [97, 100] Generated Node #0,4,3: 82:[97, 100] Operation: 54+46=100 Exploring Operation: 97-46=51, Resulting Numbers: [54, 51] Generated Node #0,4,4: 82:[54, 51] Operation: 97-46=51 Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 82:[46, 43], Operations: ['51-5=46', '97-54=43'] Exploring Operation: 46+43=89, Resulting Numbers: [89] 89,82 unequal: No Solution Exploring Operation: 46-43=3, Resulting Numbers: [3] 3,82 unequal: No Solution Exploring Operation: 46*43=1978, Resulting Numbers: [1978] 1978,82 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 82:[97, 8], Operations: ['51-5=46', '54-46=8'] Exploring Operation: 97+8=105, Resulting Numbers: [105] 105,82 unequal: No Solution Exploring Operation: 97*8=776, Resulting Numbers: [776] 776,82 unequal: No Solution Exploring Operation: 97-8=89, Resulting Numbers: [89] 89,82 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 82:[54, 51], Operations: ['51-5=46', '97-46=51'] Exploring Operation: 54-51=3, Resulting Numbers: [3] 3,82 unequal: No Solution Exploring Operation: 54+51=105, Resulting Numbers: [105] 105,82 unequal: No Solution Exploring Operation: 54*51=2754, Resulting Numbers: [2754] 2754,82 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 82:[97, 100], Operations: ['51-5=46', '54+46=100'] Exploring Operation: 100-97=3, Resulting Numbers: [3] 3,82 unequal: No Solution Exploring Operation: 97*100=9700, Resulting Numbers: [9700] 9700,82 unequal: No Solution Exploring Operation: 97+100=197, Resulting Numbers: [197] 197,82 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 82:[46, 151], Operations: ['51-5=46', '54+97=151'] Exploring Operation: 46+151=197, Resulting Numbers: [197] 197,82 unequal: No Solution Exploring Operation: 46*151=6946, Resulting Numbers: [6946] 6946,82 unequal: No Solution Exploring Operation: 151-46=105, Resulting Numbers: [105] 105,82 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
sum_heuristic
[ 11, 66, 37, 44 ]
74
[ "44-11=33", "66*37=2442", "2442/33=74" ]
Current State: 74:[11, 66, 37, 44], Operations: [] Exploring Operation: 44-11=33, Resulting Numbers: [66, 37, 33] Generated Node #2: [66, 37, 33] from Operation: 44-11=33 Current State: 74:[66, 37, 33], Operations: ['44-11=33'] Exploring Operation: 66*37=2442, Resulting Numbers: [33, 2442] Generated Node #3: [33, 2442] from Operation: 66*37=2442 Current State: 74:[33, 2442], Operations: ['44-11=33', '66*37=2442'] Exploring Operation: 2442/33=74, Resulting Numbers: [74] 74,74 equal: Goal Reached
4
Current State: 74:[11, 66, 37, 44], Operations: [] Exploring Operation: 44-37=7, Resulting Numbers: [11, 66, 7] Generated Node #0,0: 74:[11, 66, 7] Operation: 44-37=7 Exploring Operation: 11+66=77, Resulting Numbers: [37, 44, 77] Generated Node #0,1: 74:[37, 44, 77] Operation: 11+66=77 Exploring Operation: 44/11=4, Resulting Numbers: [66, 37, 4] Generated Node #0,2: 74:[66, 37, 4] Operation: 44/11=4 Exploring Operation: 44-11=33, Resulting Numbers: [66, 37, 33] Generated Node #0,3: 74:[66, 37, 33] Operation: 44-11=33 Exploring Operation: 66/11=6, Resulting Numbers: [37, 44, 6] Generated Node #0,4: 74:[37, 44, 6] Operation: 66/11=6 Start Sub Search at level 1: Moving to Node #0,1 Current State: 74:[37, 44, 77], Operations: ['11+66=77'] Exploring Operation: 37+44=81, Resulting Numbers: [77, 81] Generated Node #0,1,0: 74:[77, 81] Operation: 37+44=81 Exploring Operation: 37+77=114, Resulting Numbers: [44, 114] Generated Node #0,1,1: 74:[44, 114] Operation: 37+77=114 Exploring Operation: 44-37=7, Resulting Numbers: [77, 7] Generated Node #0,1,2: 74:[77, 7] Operation: 44-37=7 Exploring Operation: 77-44=33, Resulting Numbers: [37, 33] Generated Node #0,1,3: 74:[37, 33] Operation: 77-44=33 Exploring Operation: 77-37=40, Resulting Numbers: [44, 40] Generated Node #0,1,4: 74:[44, 40] Operation: 77-37=40 Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 74:[37, 33], Operations: ['11+66=77', '77-44=33'] Exploring Operation: 37*33=1221, Resulting Numbers: [1221] 1221,74 unequal: No Solution Exploring Operation: 37+33=70, Resulting Numbers: [70] 70,74 unequal: No Solution Exploring Operation: 37-33=4, Resulting Numbers: [4] 4,74 unequal: No Solution No 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: 74:[77, 7], Operations: ['11+66=77', '44-37=7'] Exploring Operation: 77+7=84, Resulting Numbers: [84] 84,74 unequal: No Solution Exploring Operation: 77*7=539, Resulting Numbers: [539] 539,74 unequal: No Solution Exploring Operation: 77-7=70, Resulting Numbers: [70] 70,74 unequal: No Solution Exploring Operation: 77/7=11, Resulting Numbers: [11] 11,74 unequal: No Solution No 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: 74:[77, 81], Operations: ['11+66=77', '37+44=81'] Exploring Operation: 81-77=4, Resulting Numbers: [4] 4,74 unequal: No Solution Exploring Operation: 77*81=6237, Resulting Numbers: [6237] 6237,74 unequal: No Solution Exploring Operation: 77+81=158, Resulting Numbers: [158] 158,74 unequal: No Solution No 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: 74:[44, 40], Operations: ['11+66=77', '77-37=40'] Exploring Operation: 44-40=4, Resulting Numbers: [4] 4,74 unequal: No Solution Exploring Operation: 44+40=84, Resulting Numbers: [84] 84,74 unequal: No Solution Exploring Operation: 44*40=1760, Resulting Numbers: [1760] 1760,74 unequal: No Solution No 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: 74:[44, 114], Operations: ['11+66=77', '37+77=114'] Exploring Operation: 44*114=5016, Resulting Numbers: [5016] 5016,74 unequal: No Solution Exploring Operation: 44+114=158, Resulting Numbers: [158] 158,74 unequal: No Solution Exploring Operation: 114-44=70, Resulting Numbers: [70] 70,74 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: 74:[66, 37, 4], Operations: ['44/11=4'] Exploring Operation: 37+4=41, Resulting Numbers: [66, 41] Generated Node #0,2,0: 74:[66, 41] Operation: 37+4=41 Exploring Operation: 66-37=29, Resulting Numbers: [4, 29] Generated Node #0,2,1: 74:[4, 29] Operation: 66-37=29 Exploring Operation: 66-4=62, Resulting Numbers: [37, 62] Generated Node #0,2,2: 74:[37, 62] Operation: 66-4=62 Exploring Operation: 37-4=33, Resulting Numbers: [66, 33] Generated Node #0,2,3: 74:[66, 33] Operation: 37-4=33 Exploring Operation: 66+4=70, Resulting Numbers: [37, 70] Generated Node #0,2,4: 74:[37, 70] Operation: 66+4=70 Moving to Node #0,2,4 Current State: 74:[37, 70], Operations: ['44/11=4', '66+4=70'] Exploring Operation: 70-37=33, Resulting Numbers: [33] 33,74 unequal: No Solution Exploring Operation: 37+70=107, Resulting Numbers: [107] 107,74 unequal: No Solution Exploring Operation: 37*70=2590, Resulting Numbers: [2590] 2590,74 unequal: No Solution Moving to Node #0,2,1 Current State: 74:[4, 29], Operations: ['44/11=4', '66-37=29'] Exploring Operation: 4+29=33, Resulting Numbers: [33] 33,74 unequal: No Solution Exploring Operation: 29-4=25, Resulting Numbers: [25] 25,74 unequal: No Solution Exploring Operation: 4*29=116, Resulting Numbers: [116] 116,74 unequal: No Solution Moving to Node #0,2,0 Current State: 74:[66, 41], Operations: ['44/11=4', '37+4=41'] Exploring Operation: 66-41=25, Resulting Numbers: [25] 25,74 unequal: No Solution Exploring Operation: 66+41=107, Resulting Numbers: [107] 107,74 unequal: No Solution Exploring Operation: 66*41=2706, Resulting Numbers: [2706] 2706,74 unequal: No Solution Moving to Node #0,2,2 Current State: 74:[37, 62], Operations: ['44/11=4', '66-4=62'] Exploring Operation: 37*62=2294, Resulting Numbers: [2294] 2294,74 unequal: No Solution Exploring Operation: 37+62=99, Resulting Numbers: [99] 99,74 unequal: No Solution Exploring Operation: 62-37=25, Resulting Numbers: [25] 25,74 unequal: No Solution Moving to Node #0,2,3 Current State: 74:[66, 33], Operations: ['44/11=4', '37-4=33'] Exploring Operation: 66/33=2, Resulting Numbers: [2] 2,74 unequal: No Solution Exploring Operation: 66*33=2178, Resulting Numbers: [2178] 2178,74 unequal: No Solution Exploring Operation: 66-33=33, Resulting Numbers: [33] 33,74 unequal: No Solution Exploring Operation: 66+33=99, Resulting Numbers: [99] 99,74 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 #0,4 Current State: 74:[37, 44, 6], Operations: ['66/11=6'] Exploring Operation: 44-6=38, Resulting Numbers: [37, 38] Generated Node #0,4,0: 74:[37, 38] Operation: 44-6=38 Exploring Operation: 44-37=7, Resulting Numbers: [6, 7] Generated Node #0,4,1: 74:[6, 7] Operation: 44-37=7 Exploring Operation: 37+44=81, Resulting Numbers: [6, 81] Generated Node #0,4,2: 74:[6, 81] Operation: 37+44=81 Exploring Operation: 37-6=31, Resulting Numbers: [44, 31] Generated Node #0,4,3: 74:[44, 31] Operation: 37-6=31 Exploring Operation: 37+6=43, Resulting Numbers: [44, 43] Generated Node #0,4,4: 74:[44, 43] Operation: 37+6=43 Moving to Node #0,4,0 Current State: 74:[37, 38], Operations: ['66/11=6', '44-6=38'] Exploring Operation: 38-37=1, Resulting Numbers: [1] 1,74 unequal: No Solution Exploring Operation: 37+38=75, Resulting Numbers: [75] 75,74 unequal: No Solution Exploring Operation: 37*38=1406, Resulting Numbers: [1406] 1406,74 unequal: No Solution Moving to Node #0,4,1 Current State: 74:[6, 7], Operations: ['66/11=6', '44-37=7'] Exploring Operation: 6+7=13, Resulting Numbers: [13] 13,74 unequal: No Solution Exploring Operation: 7-6=1, Resulting Numbers: [1] 1,74 unequal: No Solution Exploring Operation: 6*7=42, Resulting Numbers: [42] 42,74 unequal: No Solution Moving to Node #0,4,2 Current State: 74:[6, 81], Operations: ['66/11=6', '37+44=81'] Exploring Operation: 6*81=486, Resulting Numbers: [486] 486,74 unequal: No Solution Exploring Operation: 81-6=75, Resulting Numbers: [75] 75,74 unequal: No Solution Exploring Operation: 6+81=87, Resulting Numbers: [87] 87,74 unequal: No Solution Moving to Node #0,4,3 Current State: 74:[44, 31], Operations: ['66/11=6', '37-6=31'] Exploring Operation: 44-31=13, Resulting Numbers: [13] 13,74 unequal: No Solution Exploring Operation: 44*31=1364, Resulting Numbers: [1364] 1364,74 unequal: No Solution Exploring Operation: 44+31=75, Resulting Numbers: [75] 75,74 unequal: No Solution Moving to Node #0,4,4 Current State: 74:[44, 43], Operations: ['66/11=6', '37+6=43'] Exploring Operation: 44*43=1892, Resulting Numbers: [1892] 1892,74 unequal: No Solution Exploring Operation: 44-43=1, Resulting Numbers: [1] 1,74 unequal: No Solution Exploring Operation: 44+43=87, Resulting Numbers: [87] 87,74 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 #0,3 Current State: 74:[66, 37, 33], Operations: ['44-11=33'] Exploring Operation: 66-37=29, Resulting Numbers: [33, 29] Generated Node #0,3,0: 74:[33, 29] Operation: 66-37=29 Exploring Operation: 37+33=70, Resulting Numbers: [66, 70] Generated Node #0,3,1: 74:[66, 70] Operation: 37+33=70 Exploring Operation: 66-33=33, Resulting Numbers: [37, 33] Generated Node #0,3,2: 74:[37, 33] Operation: 66-33=33 Exploring Operation: 66/33=2, Resulting Numbers: [37, 2] Generated Node #0,3,3: 74:[37, 2] Operation: 66/33=2 Exploring Operation: 37-33=4, Resulting Numbers: [66, 4] Generated Node #0,3,4: 74:[66, 4] Operation: 37-33=4 Moving to Node #0,3,3 Current State: 74:[37, 2], Operations: ['44-11=33', '66/33=2'] Exploring Operation: 37+2=39, Resulting Numbers: [39] 39,74 unequal: No Solution Exploring Operation: 37-2=35, Resulting Numbers: [35] 35,74 unequal: No Solution Exploring Operation: 37*2=74, Resulting Numbers: [74] 74,74 equal: Goal Reached Moving to Node #0 Current State: 74:[11, 66, 37, 44], Operations: [] Exploring Operation: 44-11=33, Resulting Numbers: [66, 37, 33] Generated Node #0,3: 74:[66, 37, 33] Operation: 44-11=33 Moving to Node #0,3 Current State: 74:[66, 37, 33], Operations: ['44-11=33'] Exploring Operation: 66/33=2, Resulting Numbers: [37, 2] Generated Node #0,3,3: 74:[37, 2] Operation: 66/33=2 Moving to Node #0,3,3 Current State: 74:[37, 2], Operations: ['44-11=33', '66/33=2'] Exploring Operation: 37*2=74, Resulting Numbers: [74] 74,74 equal: Goal Reached Exit Sub Search at level 1
0.931424
hs_5
sum_heuristic
[ 2, 12, 54, 91 ]
86
[ "91-54=37", "2*37=74", "12+74=86" ]
Current State: 86:[2, 12, 54, 91], Operations: [] Exploring Operation: 91-54=37, Resulting Numbers: [2, 12, 37] Generated Node #2: [2, 12, 37] from Operation: 91-54=37 Current State: 86:[2, 12, 37], Operations: ['91-54=37'] Exploring Operation: 2*37=74, Resulting Numbers: [12, 74] Generated Node #3: [12, 74] from Operation: 2*37=74 Current State: 86:[12, 74], Operations: ['91-54=37', '2*37=74'] Exploring Operation: 12+74=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
4
Current State: 86:[2, 12, 54, 91], Operations: [] Exploring Operation: 91-12=79, Resulting Numbers: [2, 54, 79] Generated Node #0,0: 86:[2, 54, 79] Operation: 91-12=79 Exploring Operation: 91-54=37, Resulting Numbers: [2, 12, 37] Generated Node #0,1: 86:[2, 12, 37] Operation: 91-54=37 Exploring Operation: 54-12=42, Resulting Numbers: [2, 91, 42] Generated Node #0,2: 86:[2, 91, 42] Operation: 54-12=42 Moving to Node #0,2 Current State: 86:[2, 91, 42], Operations: ['54-12=42'] Exploring Operation: 2+42=44, Resulting Numbers: [91, 44] Generated Node #0,2,0: 86:[91, 44] Operation: 2+42=44 Exploring Operation: 91-2=89, Resulting Numbers: [42, 89] Generated Node #0,2,1: 86:[42, 89] Operation: 91-2=89 Exploring Operation: 91-42=49, Resulting Numbers: [2, 49] Generated Node #0,2,2: 86:[2, 49] Operation: 91-42=49 Moving to Node #0,1 Current State: 86:[2, 12, 37], Operations: ['91-54=37'] Exploring Operation: 12/2=6, Resulting Numbers: [37, 6] Generated Node #0,1,0: 86:[37, 6] Operation: 12/2=6 Exploring Operation: 12+37=49, Resulting Numbers: [2, 49] Generated Node #0,1,1: 86:[2, 49] Operation: 12+37=49 Exploring Operation: 12-2=10, Resulting Numbers: [37, 10] Generated Node #0,1,2: 86:[37, 10] Operation: 12-2=10 Moving to Node #0,0 Current State: 86:[2, 54, 79], Operations: ['91-12=79'] Exploring Operation: 54-2=52, Resulting Numbers: [79, 52] Generated Node #0,0,0: 86:[79, 52] Operation: 54-2=52 Exploring Operation: 79-54=25, Resulting Numbers: [2, 25] Generated Node #0,0,1: 86:[2, 25] Operation: 79-54=25 Exploring Operation: 2+79=81, Resulting Numbers: [54, 81] Generated Node #0,0,2: 86:[54, 81] Operation: 2+79=81 Moving to Node #0,2,1 Current State: 86:[42, 89], Operations: ['54-12=42', '91-2=89'] Exploring Operation: 42+89=131, Resulting Numbers: [131] 131,86 unequal: No Solution Exploring Operation: 89-42=47, Resulting Numbers: [47] 47,86 unequal: No Solution Exploring Operation: 42*89=3738, Resulting Numbers: [3738] 3738,86 unequal: No Solution Moving to Node #0,2,2 Current State: 86:[2, 49], Operations: ['54-12=42', '91-42=49'] Exploring Operation: 49-2=47, Resulting Numbers: [47] 47,86 unequal: No Solution Exploring Operation: 2*49=98, Resulting Numbers: [98] 98,86 unequal: No Solution Exploring Operation: 2+49=51, Resulting Numbers: [51] 51,86 unequal: No Solution Moving to Node #0,2,0 Current State: 86:[91, 44], Operations: ['54-12=42', '2+42=44'] Exploring Operation: 91+44=135, Resulting Numbers: [135] 135,86 unequal: No Solution Exploring Operation: 91*44=4004, Resulting Numbers: [4004] 4004,86 unequal: No Solution Exploring Operation: 91-44=47, Resulting Numbers: [47] 47,86 unequal: No Solution Moving to Node #0,1,1 Current State: 86:[2, 49], Operations: ['91-54=37', '12+37=49'] Exploring Operation: 49-2=47, Resulting Numbers: [47] 47,86 unequal: No Solution Exploring Operation: 2*49=98, Resulting Numbers: [98] 98,86 unequal: No Solution Exploring Operation: 2+49=51, Resulting Numbers: [51] 51,86 unequal: No Solution Moving to Node #0,1,0 Current State: 86:[37, 6], Operations: ['91-54=37', '12/2=6'] Exploring Operation: 37*6=222, Resulting Numbers: [222] 222,86 unequal: No Solution Exploring Operation: 37-6=31, Resulting Numbers: [31] 31,86 unequal: No Solution Exploring Operation: 37+6=43, Resulting Numbers: [43] 43,86 unequal: No Solution Moving to Node #0,1,2 Current State: 86:[37, 10], Operations: ['91-54=37', '12-2=10'] Exploring Operation: 37*10=370, Resulting Numbers: [370] 370,86 unequal: No Solution Exploring Operation: 37-10=27, Resulting Numbers: [27] 27,86 unequal: No Solution Exploring Operation: 37+10=47, Resulting Numbers: [47] 47,86 unequal: No Solution Moving to Node #0,0,0 Current State: 86:[79, 52], Operations: ['91-12=79', '54-2=52'] Exploring Operation: 79*52=4108, Resulting Numbers: [4108] 4108,86 unequal: No Solution Exploring Operation: 79-52=27, Resulting Numbers: [27] 27,86 unequal: No Solution Exploring Operation: 79+52=131, Resulting Numbers: [131] 131,86 unequal: No Solution Moving to Node #0,0,2 Current State: 86:[54, 81], Operations: ['91-12=79', '2+79=81'] Exploring Operation: 54+81=135, Resulting Numbers: [135] 135,86 unequal: No Solution Exploring Operation: 81-54=27, Resulting Numbers: [27] 27,86 unequal: No Solution Exploring Operation: 54*81=4374, Resulting Numbers: [4374] 4374,86 unequal: No Solution Moving to Node #0,0,1 Current State: 86:[2, 25], Operations: ['91-12=79', '79-54=25'] Exploring Operation: 2*25=50, Resulting Numbers: [50] 50,86 unequal: No Solution Exploring Operation: 25-2=23, Resulting Numbers: [23] 23,86 unequal: No Solution Exploring Operation: 2+25=27, Resulting Numbers: [27] 27,86 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 95, 3, 8, 3 ]
22
[ "8-3=5", "95/5=19", "3+19=22" ]
Current State: 22:[95, 3, 8, 3], Operations: [] Exploring Operation: 8-3=5, Resulting Numbers: [95, 5] Generated Node #2: [95, 5] from Operation: 8-3=5 Current State: 22:[95, 5], Operations: ['8-3=5'] Exploring Operation: 95/5=19, Resulting Numbers: [19] 19,22 equal: Goal Reached Exploring Operation: 3+19=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
4
Current State: 22:[95, 3, 8, 3], Operations: [] Exploring Operation: 95-3=92, Resulting Numbers: [8, 3, 92] Generated Node #0,0: 22:[8, 3, 92] Operation: 95-3=92 Exploring Operation: 95-3=92, Resulting Numbers: [3, 8, 92] Generated Node #0,1: 22:[3, 8, 92] Operation: 95-3=92 Exploring Operation: 95-8=87, Resulting Numbers: [3, 3, 87] Generated Node #0,2: 22:[3, 3, 87] Operation: 95-8=87 Moving to Node #0,2 Current State: 22:[3, 3, 87], Operations: ['95-8=87'] Exploring Operation: 87-3=84, Resulting Numbers: [3, 84] Generated Node #0,2,0: 22:[3, 84] Operation: 87-3=84 Exploring Operation: 87/3=29, Resulting Numbers: [3, 29] Generated Node #0,2,1: 22:[3, 29] Operation: 87/3=29 Exploring Operation: 87/3=29, Resulting Numbers: [3, 29] Generated Node #0,2,2: 22:[3, 29] Operation: 87/3=29 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 22:[3, 29], Operations: ['95-8=87', '87/3=29'] Exploring Operation: 3*29=87, Resulting Numbers: [87] 87,22 unequal: No Solution Exploring Operation: 3+29=32, Resulting Numbers: [32] 32,22 unequal: No Solution Exploring Operation: 29-3=26, Resulting Numbers: [26] 26,22 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 22:[3, 29], Operations: ['95-8=87', '87/3=29'] Exploring Operation: 3*29=87, Resulting Numbers: [87] 87,22 unequal: No Solution Exploring Operation: 29-3=26, Resulting Numbers: [26] 26,22 unequal: No Solution Exploring Operation: 3+29=32, Resulting Numbers: [32] 32,22 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 22:[3, 84], Operations: ['95-8=87', '87-3=84'] Exploring Operation: 3+84=87, Resulting Numbers: [87] 87,22 unequal: No Solution Exploring Operation: 84-3=81, Resulting Numbers: [81] 81,22 unequal: No Solution Exploring Operation: 84/3=28, Resulting Numbers: [28] 28,22 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: 22:[8, 3, 92], Operations: ['95-3=92'] Exploring Operation: 92-8=84, Resulting Numbers: [3, 84] Generated Node #0,0,0: 22:[3, 84] Operation: 92-8=84 Exploring Operation: 8+3=11, Resulting Numbers: [92, 11] Generated Node #0,0,1: 22:[92, 11] Operation: 8+3=11 Exploring Operation: 92-3=89, Resulting Numbers: [8, 89] Generated Node #0,0,2: 22:[8, 89] Operation: 92-3=89 Moving to Node #0,1 Current State: 22:[3, 8, 92], Operations: ['95-3=92'] Exploring Operation: 92-3=89, Resulting Numbers: [8, 89] Generated Node #0,1,0: 22:[8, 89] Operation: 92-3=89 Exploring Operation: 3+8=11, Resulting Numbers: [92, 11] Generated Node #0,1,1: 22:[92, 11] Operation: 3+8=11 Exploring Operation: 92-8=84, Resulting Numbers: [3, 84] Generated Node #0,1,2: 22:[3, 84] Operation: 92-8=84 Moving to Node #0,0,0 Current State: 22:[3, 84], Operations: ['95-3=92', '92-8=84'] Exploring Operation: 84/3=28, Resulting Numbers: [28] 28,22 unequal: No Solution Exploring Operation: 3+84=87, Resulting Numbers: [87] 87,22 unequal: No Solution Exploring Operation: 84-3=81, Resulting Numbers: [81] 81,22 unequal: No Solution Moving to Node #0,1,2 Current State: 22:[3, 84], Operations: ['95-3=92', '92-8=84'] Exploring Operation: 3+84=87, Resulting Numbers: [87] 87,22 unequal: No Solution Exploring Operation: 84/3=28, Resulting Numbers: [28] 28,22 unequal: No Solution Exploring Operation: 84-3=81, Resulting Numbers: [81] 81,22 unequal: No Solution Moving to Node #0,0,2 Current State: 22:[8, 89], Operations: ['95-3=92', '92-3=89'] Exploring Operation: 8*89=712, Resulting Numbers: [712] 712,22 unequal: No Solution Exploring Operation: 89-8=81, Resulting Numbers: [81] 81,22 unequal: No Solution Exploring Operation: 8+89=97, Resulting Numbers: [97] 97,22 unequal: No Solution Moving to Node #0,1,1 Current State: 22:[92, 11], Operations: ['95-3=92', '3+8=11'] Exploring Operation: 92+11=103, Resulting Numbers: [103] 103,22 unequal: No Solution Exploring Operation: 92*11=1012, Resulting Numbers: [1012] 1012,22 unequal: No Solution Exploring Operation: 92-11=81, Resulting Numbers: [81] 81,22 unequal: No Solution Moving to Node #0,1,0 Current State: 22:[8, 89], Operations: ['95-3=92', '92-3=89'] Exploring Operation: 8*89=712, Resulting Numbers: [712] 712,22 unequal: No Solution Exploring Operation: 8+89=97, Resulting Numbers: [97] 97,22 unequal: No Solution Exploring Operation: 89-8=81, Resulting Numbers: [81] 81,22 unequal: No Solution Moving to Node #0,0,1 Current State: 22:[92, 11], Operations: ['95-3=92', '8+3=11'] Exploring Operation: 92-11=81, Resulting Numbers: [81] 81,22 unequal: No Solution Exploring Operation: 92*11=1012, Resulting Numbers: [1012] 1012,22 unequal: No Solution Exploring Operation: 92+11=103, Resulting Numbers: [103] 103,22 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 71, 52, 54, 26 ]
47
[ "71-52=19", "54-26=28", "19+28=47" ]
Current State: 47:[71, 52, 54, 26], Operations: [] Exploring Operation: 71-52=19, Resulting Numbers: [54, 26, 19] Generated Node #2: [54, 26, 19] from Operation: 71-52=19 Current State: 47:[54, 26, 19], Operations: ['71-52=19'] Exploring Operation: 54-26=28, Resulting Numbers: [19, 28] Generated Node #3: [19, 28] from Operation: 54-26=28 Current State: 47:[19, 28], Operations: ['71-52=19', '54-26=28'] Exploring Operation: 19+28=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[71, 52, 54, 26], Operations: [] Exploring Operation: 54-26=28, Resulting Numbers: [71, 52, 28] Generated Node #0,0: 47:[71, 52, 28] Operation: 54-26=28 Exploring Operation: 71-26=45, Resulting Numbers: [52, 54, 45] Generated Node #0,1: 47:[52, 54, 45] Operation: 71-26=45 Exploring Operation: 52-26=26, Resulting Numbers: [71, 54, 26] Generated Node #0,2: 47:[71, 54, 26] Operation: 52-26=26 Start Sub Search at level 1: Moving to Node #0,1 Current State: 47:[52, 54, 45], Operations: ['71-26=45'] Exploring Operation: 54-52=2, Resulting Numbers: [45, 2] Generated Node #0,1,0: 47:[45, 2] Operation: 54-52=2 Exploring Operation: 54-45=9, Resulting Numbers: [52, 9] Generated Node #0,1,1: 47:[52, 9] Operation: 54-45=9 Exploring Operation: 52-45=7, Resulting Numbers: [54, 7] Generated Node #0,1,2: 47:[54, 7] Operation: 52-45=7 Moving to Node #0,1,1 Current State: 47:[52, 9], Operations: ['71-26=45', '54-45=9'] Exploring Operation: 52-9=43, Resulting Numbers: [43] 43,47 unequal: No Solution Exploring Operation: 52+9=61, Resulting Numbers: [61] 61,47 unequal: No Solution Exploring Operation: 52*9=468, Resulting Numbers: [468] 468,47 unequal: No Solution Moving to Node #0,1,0 Current State: 47:[45, 2], Operations: ['71-26=45', '54-52=2'] Exploring Operation: 45-2=43, Resulting Numbers: [43] 43,47 unequal: No Solution Exploring Operation: 45+2=47, Resulting Numbers: [47] 47,47 equal: Goal Reached Moving to Node #0 Current State: 47:[71, 52, 54, 26], Operations: [] Exploring Operation: 71-26=45, Resulting Numbers: [52, 54, 45] Generated Node #0,1: 47:[52, 54, 45] Operation: 71-26=45 Moving to Node #0,1 Current State: 47:[52, 54, 45], Operations: ['71-26=45'] Exploring Operation: 54-52=2, Resulting Numbers: [45, 2] Generated Node #0,1,0: 47:[45, 2] Operation: 54-52=2 Moving to Node #0,1,0 Current State: 47:[45, 2], Operations: ['71-26=45', '54-52=2'] Exploring Operation: 45+2=47, Resulting Numbers: [47] 47,47 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_3
mult_heuristic
[ 76, 1, 3, 66 ]
40
[ "76-66=10", "1+3=4", "10*4=40" ]
Current State: 40:[76, 1, 3, 66], Operations: [] Exploring Operation: 76-66=10, Resulting Numbers: [1, 3, 10] Generated Node #2: [1, 3, 10] from Operation: 76-66=10 Current State: 40:[1, 3, 10], Operations: ['76-66=10'] Exploring Operation: 1+3=4, Resulting Numbers: [10, 4] Generated Node #3: [10, 4] from Operation: 1+3=4 Current State: 40:[10, 4], Operations: ['76-66=10', '1+3=4'] Exploring Operation: 10*4=40, Resulting Numbers: [40] 40,40 equal: Goal Reached
4
Current State: 40:[76, 1, 3, 66], Operations: [] Exploring Operation: 76-66=10, Resulting Numbers: [1, 3, 10] Generated Node #0,0: 40:[1, 3, 10] Operation: 76-66=10 Exploring Operation: 66/3=22, Resulting Numbers: [76, 1, 22] Generated Node #0,1: 40:[76, 1, 22] Operation: 66/3=22 Exploring Operation: 66-3=63, Resulting Numbers: [76, 1, 63] Generated Node #0,2: 40:[76, 1, 63] Operation: 66-3=63 Exploring Operation: 76-3=73, Resulting Numbers: [1, 66, 73] Generated Node #0,3: 40:[1, 66, 73] Operation: 76-3=73 Exploring Operation: 76-1=75, Resulting Numbers: [3, 66, 75] Generated Node #0,4: 40:[3, 66, 75] Operation: 76-1=75 Moving to Node #0,0 Current State: 40:[1, 3, 10], Operations: ['76-66=10'] Exploring Operation: 1+3=4, Resulting Numbers: [10, 4] Generated Node #0,0,0: 40:[10, 4] Operation: 1+3=4 Exploring Operation: 3/1=3, Resulting Numbers: [10, 3] Generated Node #0,0,1: 40:[10, 3] Operation: 3/1=3 Exploring Operation: 1*10=10, Resulting Numbers: [3, 10] Generated Node #0,0,2: 40:[3, 10] Operation: 1*10=10 Exploring Operation: 3-1=2, Resulting Numbers: [10, 2] Generated Node #0,0,3: 40:[10, 2] Operation: 3-1=2 Exploring Operation: 1*3=3, Resulting Numbers: [10, 3] Generated Node #0,0,4: 40:[10, 3] Operation: 1*3=3 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 40:[10, 4], Operations: ['76-66=10', '1+3=4'] Exploring Operation: 10-4=6, Resulting Numbers: [6] 6,40 unequal: No Solution Exploring Operation: 10+4=14, Resulting Numbers: [14] 14,40 unequal: No Solution Exploring Operation: 10*4=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Moving to Node #0 Current State: 40:[76, 1, 3, 66], Operations: [] Exploring Operation: 76-66=10, Resulting Numbers: [1, 3, 10] Generated Node #0,0: 40:[1, 3, 10] Operation: 76-66=10 Moving to Node #0,0 Current State: 40:[1, 3, 10], Operations: ['76-66=10'] Exploring Operation: 1+3=4, Resulting Numbers: [10, 4] Generated Node #0,0,0: 40:[10, 4] Operation: 1+3=4 Moving to Node #0,0,0 Current State: 40:[10, 4], Operations: ['76-66=10', '1+3=4'] Exploring Operation: 10*4=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_5
mult_heuristic
[ 3, 49, 23, 93 ]
15
[ "49-23=26", "3*26=78", "93-78=15" ]
Current State: 15:[3, 49, 23, 93], Operations: [] Exploring Operation: 49-23=26, Resulting Numbers: [3, 93, 26] Generated Node #2: [3, 93, 26] from Operation: 49-23=26 Current State: 15:[3, 93, 26], Operations: ['49-23=26'] Exploring Operation: 3*26=78, Resulting Numbers: [93, 78] Generated Node #3: [93, 78] from Operation: 3*26=78 Current State: 15:[93, 78], Operations: ['49-23=26', '3*26=78'] Exploring Operation: 93-78=15, Resulting Numbers: [15] 15,15 equal: Goal Reached
4
Current State: 15:[3, 49, 23, 93], Operations: [] Exploring Operation: 93/3=31, Resulting Numbers: [49, 23, 31] Generated Node #0,0: 15:[49, 23, 31] Operation: 93/3=31 Exploring Operation: 49-23=26, Resulting Numbers: [3, 93, 26] Generated Node #0,1: 15:[3, 93, 26] Operation: 49-23=26 Exploring Operation: 93-49=44, Resulting Numbers: [3, 23, 44] Generated Node #0,2: 15:[3, 23, 44] Operation: 93-49=44 Start Sub Search at level 1: Moving to Node #0,2 Current State: 15:[3, 23, 44], Operations: ['93-49=44'] Exploring Operation: 23-3=20, Resulting Numbers: [44, 20] Generated Node #0,2,0: 15:[44, 20] Operation: 23-3=20 Exploring Operation: 44-23=21, Resulting Numbers: [3, 21] Generated Node #0,2,1: 15:[3, 21] Operation: 44-23=21 Exploring Operation: 44-3=41, Resulting Numbers: [23, 41] Generated Node #0,2,2: 15:[23, 41] Operation: 44-3=41 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 15:[3, 21], Operations: ['93-49=44', '44-23=21'] Exploring Operation: 3+21=24, Resulting Numbers: [24] 24,15 unequal: No Solution Exploring Operation: 21-3=18, Resulting Numbers: [18] 18,15 unequal: No Solution Exploring Operation: 21/3=7, Resulting Numbers: [7] 7,15 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 #0,2,0 Current State: 15:[44, 20], Operations: ['93-49=44', '23-3=20'] Exploring Operation: 44+20=64, Resulting Numbers: [64] 64,15 unequal: No Solution Exploring Operation: 44-20=24, Resulting Numbers: [24] 24,15 unequal: No Solution Exploring Operation: 44*20=880, Resulting Numbers: [880] 880,15 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 #0,2,2 Current State: 15:[23, 41], Operations: ['93-49=44', '44-3=41'] Exploring Operation: 41-23=18, Resulting Numbers: [18] 18,15 unequal: No Solution Exploring Operation: 23+41=64, Resulting Numbers: [64] 64,15 unequal: No Solution Exploring Operation: 23*41=943, Resulting Numbers: [943] 943,15 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 #0,0 Current State: 15:[49, 23, 31], Operations: ['93/3=31'] Exploring Operation: 31-23=8, Resulting Numbers: [49, 8] Generated Node #0,0,0: 15:[49, 8] Operation: 31-23=8 Exploring Operation: 49-31=18, Resulting Numbers: [23, 18] Generated Node #0,0,1: 15:[23, 18] Operation: 49-31=18 Exploring Operation: 49-23=26, Resulting Numbers: [31, 26] Generated Node #0,0,2: 15:[31, 26] Operation: 49-23=26 Moving to Node #0,0,1 Current State: 15:[23, 18], Operations: ['93/3=31', '49-31=18'] Exploring Operation: 23*18=414, Resulting Numbers: [414] 414,15 unequal: No Solution Exploring Operation: 23-18=5, Resulting Numbers: [5] 5,15 unequal: No Solution Exploring Operation: 23+18=41, Resulting Numbers: [41] 41,15 unequal: No Solution Moving to Node #0,0,2 Current State: 15:[31, 26], Operations: ['93/3=31', '49-23=26'] Exploring Operation: 31*26=806, Resulting Numbers: [806] 806,15 unequal: No Solution Exploring Operation: 31+26=57, Resulting Numbers: [57] 57,15 unequal: No Solution Exploring Operation: 31-26=5, Resulting Numbers: [5] 5,15 unequal: No Solution Moving to Node #0,0,0 Current State: 15:[49, 8], Operations: ['93/3=31', '31-23=8'] Exploring Operation: 49+8=57, Resulting Numbers: [57] 57,15 unequal: No Solution Exploring Operation: 49*8=392, Resulting Numbers: [392] 392,15 unequal: No Solution Exploring Operation: 49-8=41, Resulting Numbers: [41] 41,15 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:[3, 93, 26], Operations: ['49-23=26'] Exploring Operation: 93-26=67, Resulting Numbers: [3, 67] Generated Node #0,1,0: 15:[3, 67] Operation: 93-26=67 Exploring Operation: 93-3=90, Resulting Numbers: [26, 90] Generated Node #0,1,1: 15:[26, 90] Operation: 93-3=90 Exploring Operation: 93/3=31, Resulting Numbers: [26, 31] Generated Node #0,1,2: 15:[26, 31] Operation: 93/3=31 Moving to Node #0,1,2 Current State: 15:[26, 31], Operations: ['49-23=26', '93/3=31'] Exploring Operation: 26+31=57, Resulting Numbers: [57] 57,15 unequal: No Solution Exploring Operation: 26*31=806, Resulting Numbers: [806] 806,15 unequal: No Solution Exploring Operation: 31-26=5, Resulting Numbers: [5] 5,15 unequal: No Solution Moving to Node #0,1,0 Current State: 15:[3, 67], Operations: ['49-23=26', '93-26=67'] Exploring Operation: 67-3=64, Resulting Numbers: [64] 64,15 unequal: No Solution Exploring Operation: 3*67=201, Resulting Numbers: [201] 201,15 unequal: No Solution Exploring Operation: 3+67=70, Resulting Numbers: [70] 70,15 unequal: No Solution Moving to Node #0,1,1 Current State: 15:[26, 90], Operations: ['49-23=26', '93-3=90'] Exploring Operation: 26*90=2340, Resulting Numbers: [2340] 2340,15 unequal: No Solution Exploring Operation: 90-26=64, Resulting Numbers: [64] 64,15 unequal: No Solution Exploring Operation: 26+90=116, Resulting Numbers: [116] 116,15 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
[ 14, 19, 64, 90 ]
46
[ "19-14=5", "90/5=18", "64-18=46" ]
Current State: 46:[14, 19, 64, 90], Operations: [] Exploring Operation: 19-14=5, Resulting Numbers: [64, 90, 5] Generated Node #2: [64, 90, 5] from Operation: 19-14=5 Current State: 46:[64, 90, 5], Operations: ['19-14=5'] Exploring Operation: 90/5=18, Resulting Numbers: [64, 18] Generated Node #3: [64, 18] from Operation: 90/5=18 Current State: 46:[64, 18], Operations: ['19-14=5', '90/5=18'] Exploring Operation: 64-18=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
4
Current State: 46:[14, 19, 64, 90], Operations: [] Exploring Operation: 90-64=26, Resulting Numbers: [14, 19, 26] Generated Node #0,0: 46:[14, 19, 26] Operation: 90-64=26 Exploring Operation: 90-19=71, Resulting Numbers: [14, 64, 71] Generated Node #0,1: 46:[14, 64, 71] Operation: 90-19=71 Exploring Operation: 90-14=76, Resulting Numbers: [19, 64, 76] Generated Node #0,2: 46:[19, 64, 76] Operation: 90-14=76 Exploring Operation: 64-14=50, Resulting Numbers: [19, 90, 50] Generated Node #0,3: 46:[19, 90, 50] Operation: 64-14=50 Exploring Operation: 64-19=45, Resulting Numbers: [14, 90, 45] Generated Node #0,4: 46:[14, 90, 45] Operation: 64-19=45 Start Sub Search at level 1: Moving to Node #0,0 Current State: 46:[14, 19, 26], Operations: ['90-64=26'] Exploring Operation: 19+26=45, Resulting Numbers: [14, 45] Generated Node #0,0,0: 46:[14, 45] Operation: 19+26=45 Exploring Operation: 14+26=40, Resulting Numbers: [19, 40] Generated Node #0,0,1: 46:[19, 40] Operation: 14+26=40 Exploring Operation: 19-14=5, Resulting Numbers: [26, 5] Generated Node #0,0,2: 46:[26, 5] Operation: 19-14=5 Exploring Operation: 26-14=12, Resulting Numbers: [19, 12] Generated Node #0,0,3: 46:[19, 12] Operation: 26-14=12 Exploring Operation: 14+19=33, Resulting Numbers: [26, 33] Generated Node #0,0,4: 46:[26, 33] Operation: 14+19=33 Moving to Node #0,0,2 Current State: 46:[26, 5], Operations: ['90-64=26', '19-14=5'] Exploring Operation: 26+5=31, Resulting Numbers: [31] 31,46 unequal: No Solution Exploring Operation: 26-5=21, Resulting Numbers: [21] 21,46 unequal: No Solution Exploring Operation: 26*5=130, Resulting Numbers: [130] 130,46 unequal: No Solution Moving to Node #0,0,1 Current State: 46:[19, 40], Operations: ['90-64=26', '14+26=40'] Exploring Operation: 19*40=760, Resulting Numbers: [760] 760,46 unequal: No Solution Exploring Operation: 40-19=21, Resulting Numbers: [21] 21,46 unequal: No Solution Exploring Operation: 19+40=59, Resulting Numbers: [59] 59,46 unequal: No Solution Moving to Node #0,0,0 Current State: 46:[14, 45], Operations: ['90-64=26', '19+26=45'] Exploring Operation: 14*45=630, Resulting Numbers: [630] 630,46 unequal: No Solution Exploring Operation: 14+45=59, Resulting Numbers: [59] 59,46 unequal: No Solution Exploring Operation: 45-14=31, Resulting Numbers: [31] 31,46 unequal: No Solution Moving to Node #0,0,4 Current State: 46:[26, 33], Operations: ['90-64=26', '14+19=33'] Exploring Operation: 26*33=858, Resulting Numbers: [858] 858,46 unequal: No Solution Exploring Operation: 26+33=59, Resulting Numbers: [59] 59,46 unequal: No Solution Exploring Operation: 33-26=7, Resulting Numbers: [7] 7,46 unequal: No Solution Moving to Node #0,0,3 Current State: 46:[19, 12], Operations: ['90-64=26', '26-14=12'] Exploring Operation: 19+12=31, Resulting Numbers: [31] 31,46 unequal: No Solution Exploring Operation: 19*12=228, Resulting Numbers: [228] 228,46 unequal: No Solution Exploring Operation: 19-12=7, Resulting Numbers: [7] 7,46 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 Current State: 46:[14, 64, 71], Operations: ['90-19=71'] Exploring Operation: 71-14=57, Resulting Numbers: [64, 57] Generated Node #0,1,0: 46:[64, 57] Operation: 71-14=57 Exploring Operation: 71-64=7, Resulting Numbers: [14, 7] Generated Node #0,1,1: 46:[14, 7] Operation: 71-64=7 Exploring Operation: 14+71=85, Resulting Numbers: [64, 85] Generated Node #0,1,2: 46:[64, 85] Operation: 14+71=85 Exploring Operation: 64-14=50, Resulting Numbers: [71, 50] Generated Node #0,1,3: 46:[71, 50] Operation: 64-14=50 Exploring Operation: 14+64=78, Resulting Numbers: [71, 78] Generated Node #0,1,4: 46:[71, 78] Operation: 14+64=78 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 46:[14, 7], Operations: ['90-19=71', '71-64=7'] Exploring Operation: 14*7=98, Resulting Numbers: [98] 98,46 unequal: No Solution Exploring Operation: 14/7=2, Resulting Numbers: [2] 2,46 unequal: No Solution Exploring Operation: 14-7=7, Resulting Numbers: [7] 7,46 unequal: No Solution Exploring Operation: 14+7=21, Resulting Numbers: [21] 21,46 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 46:[64, 57], Operations: ['90-19=71', '71-14=57'] Exploring Operation: 64-57=7, Resulting Numbers: [7] 7,46 unequal: No Solution Exploring Operation: 64*57=3648, Resulting Numbers: [3648] 3648,46 unequal: No Solution Exploring Operation: 64+57=121, Resulting Numbers: [121] 121,46 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 46:[71, 50], Operations: ['90-19=71', '64-14=50'] Exploring Operation: 71-50=21, Resulting Numbers: [21] 21,46 unequal: No Solution Exploring Operation: 71+50=121, Resulting Numbers: [121] 121,46 unequal: No Solution Exploring Operation: 71*50=3550, Resulting Numbers: [3550] 3550,46 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 46:[64, 85], Operations: ['90-19=71', '14+71=85'] Exploring Operation: 64+85=149, Resulting Numbers: [149] 149,46 unequal: No Solution Exploring Operation: 64*85=5440, Resulting Numbers: [5440] 5440,46 unequal: No Solution Exploring Operation: 85-64=21, Resulting Numbers: [21] 21,46 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 46:[71, 78], Operations: ['90-19=71', '14+64=78'] Exploring Operation: 71+78=149, Resulting Numbers: [149] 149,46 unequal: No Solution Exploring Operation: 71*78=5538, Resulting Numbers: [5538] 5538,46 unequal: No Solution Exploring Operation: 78-71=7, Resulting Numbers: [7] 7,46 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 46:[19, 64, 76], Operations: ['90-14=76'] Exploring Operation: 64-19=45, Resulting Numbers: [76, 45] Generated Node #0,2,0: 46:[76, 45] Operation: 64-19=45 Exploring Operation: 76/19=4, Resulting Numbers: [64, 4] Generated Node #0,2,1: 46:[64, 4] Operation: 76/19=4 Exploring Operation: 19+64=83, Resulting Numbers: [76, 83] Generated Node #0,2,2: 46:[76, 83] Operation: 19+64=83 Exploring Operation: 76-19=57, Resulting Numbers: [64, 57] Generated Node #0,2,3: 46:[64, 57] Operation: 76-19=57 Exploring Operation: 76-64=12, Resulting Numbers: [19, 12] Generated Node #0,2,4: 46:[19, 12] Operation: 76-64=12 Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 46:[19, 12], Operations: ['90-14=76', '76-64=12'] Exploring Operation: 19+12=31, Resulting Numbers: [31] 31,46 unequal: No Solution Exploring Operation: 19-12=7, Resulting Numbers: [7] 7,46 unequal: No Solution Exploring Operation: 19*12=228, Resulting Numbers: [228] 228,46 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 46:[64, 4], Operations: ['90-14=76', '76/19=4'] Exploring Operation: 64/4=16, Resulting Numbers: [16] 16,46 unequal: No Solution Exploring Operation: 64*4=256, Resulting Numbers: [256] 256,46 unequal: No Solution Exploring Operation: 64+4=68, Resulting Numbers: [68] 68,46 unequal: No Solution Exploring Operation: 64-4=60, Resulting Numbers: [60] 60,46 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 46:[64, 57], Operations: ['90-14=76', '76-19=57'] Exploring Operation: 64+57=121, Resulting Numbers: [121] 121,46 unequal: No Solution Exploring Operation: 64-57=7, Resulting Numbers: [7] 7,46 unequal: No Solution Exploring Operation: 64*57=3648, Resulting Numbers: [3648] 3648,46 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 46:[76, 45], Operations: ['90-14=76', '64-19=45'] Exploring Operation: 76*45=3420, Resulting Numbers: [3420] 3420,46 unequal: No Solution Exploring Operation: 76-45=31, Resulting Numbers: [31] 31,46 unequal: No Solution Exploring Operation: 76+45=121, Resulting Numbers: [121] 121,46 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 46:[76, 83], Operations: ['90-14=76', '19+64=83'] Exploring Operation: 76+83=159, Resulting Numbers: [159] 159,46 unequal: No Solution Exploring Operation: 83-76=7, Resulting Numbers: [7] 7,46 unequal: No Solution Exploring Operation: 76*83=6308, Resulting Numbers: [6308] 6308,46 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 46:[19, 90, 50], Operations: ['64-14=50'] Exploring Operation: 90-50=40, Resulting Numbers: [19, 40] Generated Node #0,3,0: 46:[19, 40] Operation: 90-50=40 Exploring Operation: 50-19=31, Resulting Numbers: [90, 31] Generated Node #0,3,1: 46:[90, 31] Operation: 50-19=31 Exploring Operation: 19+90=109, Resulting Numbers: [50, 109] Generated Node #0,3,2: 46:[50, 109] Operation: 19+90=109 Exploring Operation: 90-19=71, Resulting Numbers: [50, 71] Generated Node #0,3,3: 46:[50, 71] Operation: 90-19=71 Exploring Operation: 19+50=69, Resulting Numbers: [90, 69] Generated Node #0,3,4: 46:[90, 69] Operation: 19+50=69 Moving to Node #0,3,0 Current State: 46:[19, 40], Operations: ['64-14=50', '90-50=40'] Exploring Operation: 40-19=21, Resulting Numbers: [21] 21,46 unequal: No Solution Exploring Operation: 19+40=59, Resulting Numbers: [59] 59,46 unequal: No Solution Exploring Operation: 19*40=760, Resulting Numbers: [760] 760,46 unequal: No Solution Moving to Node #0,3,3 Current State: 46:[50, 71], Operations: ['64-14=50', '90-19=71'] Exploring Operation: 71-50=21, Resulting Numbers: [21] 21,46 unequal: No Solution Exploring Operation: 50*71=3550, Resulting Numbers: [3550] 3550,46 unequal: No Solution Exploring Operation: 50+71=121, Resulting Numbers: [121] 121,46 unequal: No Solution Moving to Node #0,3,1 Current State: 46:[90, 31], Operations: ['64-14=50', '50-19=31'] Exploring Operation: 90+31=121, Resulting Numbers: [121] 121,46 unequal: No Solution Exploring Operation: 90*31=2790, Resulting Numbers: [2790] 2790,46 unequal: No Solution Exploring Operation: 90-31=59, Resulting Numbers: [59] 59,46 unequal: No Solution Moving to Node #0,3,2 Current State: 46:[50, 109], Operations: ['64-14=50', '19+90=109'] Exploring Operation: 109-50=59, Resulting Numbers: [59] 59,46 unequal: No Solution Exploring Operation: 50*109=5450, Resulting Numbers: [5450] 5450,46 unequal: No Solution Exploring Operation: 50+109=159, Resulting Numbers: [159] 159,46 unequal: No Solution Moving to Node #0,3,4 Current State: 46:[90, 69], Operations: ['64-14=50', '19+50=69'] Exploring Operation: 90-69=21, Resulting Numbers: [21] 21,46 unequal: No Solution Exploring Operation: 90*69=6210, Resulting Numbers: [6210] 6210,46 unequal: No Solution Exploring Operation: 90+69=159, Resulting Numbers: [159] 159,46 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 #0,4 Current State: 46:[14, 90, 45], Operations: ['64-19=45'] Exploring Operation: 90-45=45, Resulting Numbers: [14, 45] Generated Node #0,4,0: 46:[14, 45] Operation: 90-45=45 Exploring Operation: 45-14=31, Resulting Numbers: [90, 31] Generated Node #0,4,1: 46:[90, 31] Operation: 45-14=31 Exploring Operation: 14+45=59, Resulting Numbers: [90, 59] Generated Node #0,4,2: 46:[90, 59] Operation: 14+45=59 Exploring Operation: 90/45=2, Resulting Numbers: [14, 2] Generated Node #0,4,3: 46:[14, 2] Operation: 90/45=2 Exploring Operation: 90-14=76, Resulting Numbers: [45, 76] Generated Node #0,4,4: 46:[45, 76] Operation: 90-14=76 Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 46:[14, 2], Operations: ['64-19=45', '90/45=2'] Exploring Operation: 14-2=12, Resulting Numbers: [12] 12,46 unequal: No Solution Exploring Operation: 14*2=28, Resulting Numbers: [28] 28,46 unequal: No Solution Exploring Operation: 14+2=16, Resulting Numbers: [16] 16,46 unequal: No Solution Exploring Operation: 14/2=7, Resulting Numbers: [7] 7,46 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 46:[14, 45], Operations: ['64-19=45', '90-45=45'] Exploring Operation: 45-14=31, Resulting Numbers: [31] 31,46 unequal: No Solution Exploring Operation: 14*45=630, Resulting Numbers: [630] 630,46 unequal: No Solution Exploring Operation: 14+45=59, Resulting Numbers: [59] 59,46 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 46:[45, 76], Operations: ['64-19=45', '90-14=76'] Exploring Operation: 45+76=121, Resulting Numbers: [121] 121,46 unequal: No Solution Exploring Operation: 76-45=31, Resulting Numbers: [31] 31,46 unequal: No Solution Exploring Operation: 45*76=3420, Resulting Numbers: [3420] 3420,46 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 46:[90, 31], Operations: ['64-19=45', '45-14=31'] Exploring Operation: 90+31=121, Resulting Numbers: [121] 121,46 unequal: No Solution Exploring Operation: 90*31=2790, Resulting Numbers: [2790] 2790,46 unequal: No Solution Exploring Operation: 90-31=59, Resulting Numbers: [59] 59,46 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 46:[90, 59], Operations: ['64-19=45', '14+45=59'] Exploring Operation: 90+59=149, Resulting Numbers: [149] 149,46 unequal: No Solution Exploring Operation: 90-59=31, Resulting Numbers: [31] 31,46 unequal: No Solution Exploring Operation: 90*59=5310, Resulting Numbers: [5310] 5310,46 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
mult_heuristic
[ 15, 64, 37, 80 ]
38
[ "15+64=79", "37+80=117", "117-79=38" ]
Current State: 38:[15, 64, 37, 80], Operations: [] Exploring Operation: 15+64=79, Resulting Numbers: [37, 80, 79] Generated Node #2: [37, 80, 79] from Operation: 15+64=79 Current State: 38:[37, 80, 79], Operations: ['15+64=79'] Exploring Operation: 37+80=117, Resulting Numbers: [79, 117] Generated Node #3: [79, 117] from Operation: 37+80=117 Current State: 38:[79, 117], Operations: ['15+64=79', '37+80=117'] Exploring Operation: 117-79=38, Resulting Numbers: [38] 38,38 equal: Goal Reached
4
Current State: 38:[15, 64, 37, 80], Operations: [] Exploring Operation: 80-64=16, Resulting Numbers: [15, 37, 16] Generated Node #0,0: 38:[15, 37, 16] Operation: 80-64=16 Exploring Operation: 80-37=43, Resulting Numbers: [15, 64, 43] Generated Node #0,1: 38:[15, 64, 43] Operation: 80-37=43 Exploring Operation: 64-15=49, Resulting Numbers: [37, 80, 49] Generated Node #0,2: 38:[37, 80, 49] Operation: 64-15=49 Exploring Operation: 80-15=65, Resulting Numbers: [64, 37, 65] Generated Node #0,3: 38:[64, 37, 65] Operation: 80-15=65 Moving to Node #0,0 Current State: 38:[15, 37, 16], Operations: ['80-64=16'] Exploring Operation: 15+16=31, Resulting Numbers: [37, 31] Generated Node #0,0,0: 38:[37, 31] Operation: 15+16=31 Exploring Operation: 37-15=22, Resulting Numbers: [16, 22] Generated Node #0,0,1: 38:[16, 22] Operation: 37-15=22 Exploring Operation: 16-15=1, Resulting Numbers: [37, 1] Generated Node #0,0,2: 38:[37, 1] Operation: 16-15=1 Exploring Operation: 37-16=21, Resulting Numbers: [15, 21] Generated Node #0,0,3: 38:[15, 21] Operation: 37-16=21 Moving to Node #0,1 Current State: 38:[15, 64, 43], Operations: ['80-37=43'] Exploring Operation: 64-43=21, Resulting Numbers: [15, 21] Generated Node #0,1,0: 38:[15, 21] Operation: 64-43=21 Exploring Operation: 15+64=79, Resulting Numbers: [43, 79] Generated Node #0,1,1: 38:[43, 79] Operation: 15+64=79 Exploring Operation: 64-15=49, Resulting Numbers: [43, 49] Generated Node #0,1,2: 38:[43, 49] Operation: 64-15=49 Exploring Operation: 43-15=28, Resulting Numbers: [64, 28] Generated Node #0,1,3: 38:[64, 28] Operation: 43-15=28 Moving to Node #0,3 Current State: 38:[64, 37, 65], Operations: ['80-15=65'] Exploring Operation: 65-64=1, Resulting Numbers: [37, 1] Generated Node #0,3,0: 38:[37, 1] Operation: 65-64=1 Exploring Operation: 64+37=101, Resulting Numbers: [65, 101] Generated Node #0,3,1: 38:[65, 101] Operation: 64+37=101 Exploring Operation: 65-37=28, Resulting Numbers: [64, 28] Generated Node #0,3,2: 38:[64, 28] Operation: 65-37=28 Exploring Operation: 64-37=27, Resulting Numbers: [65, 27] Generated Node #0,3,3: 38:[65, 27] Operation: 64-37=27 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 38:[37, 1], Operations: ['80-15=65', '65-64=1'] Exploring Operation: 37/1=37, Resulting Numbers: [37] 37,38 unequal: No Solution Exploring Operation: 37+1=38, Resulting Numbers: [38] 38,38 equal: Goal Reached Moving to Node #0 Current State: 38:[15, 64, 37, 80], Operations: [] Exploring Operation: 80-15=65, Resulting Numbers: [64, 37, 65] Generated Node #0,3: 38:[64, 37, 65] Operation: 80-15=65 Moving to Node #0,3 Current State: 38:[64, 37, 65], Operations: ['80-15=65'] Exploring Operation: 65-64=1, Resulting Numbers: [37, 1] Generated Node #0,3,0: 38:[37, 1] Operation: 65-64=1 Moving to Node #0,3,0 Current State: 38:[37, 1], Operations: ['80-15=65', '65-64=1'] Exploring Operation: 37+1=38, Resulting Numbers: [38] 38,38 equal: Goal Reached Exit Sub Search at level 1
0.980903
hs_4
mult_heuristic
[ 28, 6, 62, 86 ]
43
[ "28+86=114", "114/6=19", "62-19=43" ]
Current State: 43:[28, 6, 62, 86], Operations: [] Exploring Operation: 28+86=114, Resulting Numbers: [6, 62, 114] Generated Node #2: [6, 62, 114] from Operation: 28+86=114 Current State: 43:[6, 62, 114], Operations: ['28+86=114'] Exploring Operation: 114/6=19, Resulting Numbers: [62, 19] Generated Node #3: [62, 19] from Operation: 114/6=19 Current State: 43:[62, 19], Operations: ['28+86=114', '114/6=19'] Exploring Operation: 62-19=43, Resulting Numbers: [43] 43,43 equal: Goal Reached
4
Current State: 43:[28, 6, 62, 86], Operations: [] Exploring Operation: 28+6=34, Resulting Numbers: [62, 86, 34] Generated Node #0,0: 43:[62, 86, 34] Operation: 28+6=34 Exploring Operation: 62-6=56, Resulting Numbers: [28, 86, 56] Generated Node #0,1: 43:[28, 86, 56] Operation: 62-6=56 Exploring Operation: 86-28=58, Resulting Numbers: [6, 62, 58] Generated Node #0,2: 43:[6, 62, 58] Operation: 86-28=58 Moving to Node #0,0 Current State: 43:[62, 86, 34], Operations: ['28+6=34'] Exploring Operation: 62-34=28, Resulting Numbers: [86, 28] Generated Node #0,0,0: 43:[86, 28] Operation: 62-34=28 Exploring Operation: 86-62=24, Resulting Numbers: [34, 24] Generated Node #0,0,1: 43:[34, 24] Operation: 86-62=24 Exploring Operation: 86-34=52, Resulting Numbers: [62, 52] Generated Node #0,0,2: 43:[62, 52] Operation: 86-34=52 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 43:[34, 24], Operations: ['28+6=34', '86-62=24'] Exploring Operation: 34-24=10, Resulting Numbers: [10] 10,43 unequal: No Solution Exploring Operation: 34*24=816, Resulting Numbers: [816] 816,43 unequal: No Solution Exploring Operation: 34+24=58, Resulting Numbers: [58] 58,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 43:[62, 52], Operations: ['28+6=34', '86-34=52'] Exploring Operation: 62+52=114, Resulting Numbers: [114] 114,43 unequal: No Solution Exploring Operation: 62-52=10, Resulting Numbers: [10] 10,43 unequal: No Solution Exploring Operation: 62*52=3224, Resulting Numbers: [3224] 3224,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 43:[86, 28], Operations: ['28+6=34', '62-34=28'] Exploring Operation: 86-28=58, Resulting Numbers: [58] 58,43 unequal: No Solution Exploring Operation: 86*28=2408, Resulting Numbers: [2408] 2408,43 unequal: No Solution Exploring Operation: 86+28=114, Resulting Numbers: [114] 114,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 43:[28, 86, 56], Operations: ['62-6=56'] Exploring Operation: 86-28=58, Resulting Numbers: [56, 58] Generated Node #0,1,0: 43:[56, 58] Operation: 86-28=58 Exploring Operation: 86-56=30, Resulting Numbers: [28, 30] Generated Node #0,1,1: 43:[28, 30] Operation: 86-56=30 Exploring Operation: 56-28=28, Resulting Numbers: [86, 28] Generated Node #0,1,2: 43:[86, 28] Operation: 56-28=28 Moving to Node #0,2 Current State: 43:[6, 62, 58], Operations: ['86-28=58'] Exploring Operation: 6+62=68, Resulting Numbers: [58, 68] Generated Node #0,2,0: 43:[58, 68] Operation: 6+62=68 Exploring Operation: 58-6=52, Resulting Numbers: [62, 52] Generated Node #0,2,1: 43:[62, 52] Operation: 58-6=52 Exploring Operation: 62-6=56, Resulting Numbers: [58, 56] Generated Node #0,2,2: 43:[58, 56] Operation: 62-6=56 Moving to Node #0,1,0 Current State: 43:[56, 58], Operations: ['62-6=56', '86-28=58'] Exploring Operation: 58-56=2, Resulting Numbers: [2] 2,43 unequal: No Solution Exploring Operation: 56*58=3248, Resulting Numbers: [3248] 3248,43 unequal: No Solution Exploring Operation: 56+58=114, Resulting Numbers: [114] 114,43 unequal: No Solution Moving to Node #0,1,1 Current State: 43:[28, 30], Operations: ['62-6=56', '86-56=30'] Exploring Operation: 30-28=2, Resulting Numbers: [2] 2,43 unequal: No Solution Exploring Operation: 28*30=840, Resulting Numbers: [840] 840,43 unequal: No Solution Exploring Operation: 28+30=58, Resulting Numbers: [58] 58,43 unequal: No Solution Moving to Node #0,2,2 Current State: 43:[58, 56], Operations: ['86-28=58', '62-6=56'] Exploring Operation: 58-56=2, Resulting Numbers: [2] 2,43 unequal: No Solution Exploring Operation: 58*56=3248, Resulting Numbers: [3248] 3248,43 unequal: No Solution Exploring Operation: 58+56=114, Resulting Numbers: [114] 114,43 unequal: No Solution Moving to Node #0,2,1 Current State: 43:[62, 52], Operations: ['86-28=58', '58-6=52'] Exploring Operation: 62*52=3224, Resulting Numbers: [3224] 3224,43 unequal: No Solution Exploring Operation: 62-52=10, Resulting Numbers: [10] 10,43 unequal: No Solution Exploring Operation: 62+52=114, Resulting Numbers: [114] 114,43 unequal: No Solution Moving to Node #0,2,0 Current State: 43:[58, 68], Operations: ['86-28=58', '6+62=68'] Exploring Operation: 58*68=3944, Resulting Numbers: [3944] 3944,43 unequal: No Solution Exploring Operation: 58+68=126, Resulting Numbers: [126] 126,43 unequal: No Solution Exploring Operation: 68-58=10, Resulting Numbers: [10] 10,43 unequal: No Solution Moving to Node #0,1,2 Current State: 43:[86, 28], Operations: ['62-6=56', '56-28=28'] Exploring Operation: 86*28=2408, Resulting Numbers: [2408] 2408,43 unequal: No Solution Exploring Operation: 86-28=58, Resulting Numbers: [58] 58,43 unequal: No Solution Exploring Operation: 86+28=114, Resulting Numbers: [114] 114,43 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 25, 49, 48, 67 ]
92
[ "25+67=92", "49-48=1", "92*1=92" ]
Current State: 92:[25, 49, 48, 67], Operations: [] Exploring Operation: 25+67=92, Resulting Numbers: [49, 48, 92] Generated Node #2: [49, 48, 92] from Operation: 25+67=92 Current State: 92:[49, 48, 92], Operations: ['25+67=92'] Exploring Operation: 49-48=1, Resulting Numbers: [92, 1] Generated Node #3: [92, 1] from Operation: 49-48=1 Current State: 92:[92, 1], Operations: ['25+67=92', '49-48=1'] Exploring Operation: 92*1=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
4
Current State: 92:[25, 49, 48, 67], Operations: [] Exploring Operation: 67-25=42, Resulting Numbers: [49, 48, 42] Generated Node #0,0: 92:[49, 48, 42] Operation: 67-25=42 Exploring Operation: 25+67=92, Resulting Numbers: [49, 48, 92] Generated Node #0,1: 92:[49, 48, 92] Operation: 25+67=92 Start Sub Search at level 1: Moving to Node #0,1 Current State: 92:[49, 48, 92], Operations: ['25+67=92'] Exploring Operation: 49-48=1, Resulting Numbers: [92, 1] Generated Node #0,1,0: 92:[92, 1] Operation: 49-48=1 Exploring Operation: 49+48=97, Resulting Numbers: [92, 97] Generated Node #0,1,1: 92:[92, 97] Operation: 49+48=97 Moving to Node #0,1,0 Current State: 92:[92, 1], Operations: ['25+67=92', '49-48=1'] Exploring Operation: 92/1=92, Resulting Numbers: [92] 92,92 equal: Goal Reached Moving to Node #0 Current State: 92:[25, 49, 48, 67], Operations: [] Exploring Operation: 25+67=92, Resulting Numbers: [49, 48, 92] Generated Node #0,1: 92:[49, 48, 92] Operation: 25+67=92 Moving to Node #0,1 Current State: 92:[49, 48, 92], Operations: ['25+67=92'] Exploring Operation: 49-48=1, Resulting Numbers: [92, 1] Generated Node #0,1,0: 92:[92, 1] Operation: 49-48=1 Moving to Node #0,1,0 Current State: 92:[92, 1], Operations: ['25+67=92', '49-48=1'] Exploring Operation: 92/1=92, Resulting Numbers: [92] 92,92 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
sum_heuristic
[ 70, 69, 60, 5 ]
25
[ "69-60=9", "5*9=45", "70-45=25" ]
Current State: 25:[70, 69, 60, 5], Operations: [] Exploring Operation: 69-60=9, Resulting Numbers: [70, 5, 9] Generated Node #2: [70, 5, 9] from Operation: 69-60=9 Current State: 25:[70, 5, 9], Operations: ['69-60=9'] Exploring Operation: 5*9=45, Resulting Numbers: [70, 45] Generated Node #3: [70, 45] from Operation: 5*9=45 Current State: 25:[70, 45], Operations: ['69-60=9', '5*9=45'] Exploring Operation: 70-45=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[70, 69, 60, 5], Operations: [] Exploring Operation: 70-69=1, Resulting Numbers: [60, 5, 1] Generated Node #0,0: 25:[60, 5, 1] Operation: 70-69=1 Exploring Operation: 69-60=9, Resulting Numbers: [70, 5, 9] Generated Node #0,1: 25:[70, 5, 9] Operation: 69-60=9 Exploring Operation: 70-60=10, Resulting Numbers: [69, 5, 10] Generated Node #0,2: 25:[69, 5, 10] Operation: 70-60=10 Start Sub Search at level 1: Moving to Node #0,0 Current State: 25:[60, 5, 1], Operations: ['70-69=1'] Exploring Operation: 60-1=59, Resulting Numbers: [5, 59] Generated Node #0,0,0: 25:[5, 59] Operation: 60-1=59 Exploring Operation: 60/5=12, Resulting Numbers: [1, 12] Generated Node #0,0,1: 25:[1, 12] Operation: 60/5=12 Exploring Operation: 60-5=55, Resulting Numbers: [1, 55] Generated Node #0,0,2: 25:[1, 55] Operation: 60-5=55 Moving to Node #0,0,1 Current State: 25:[1, 12], Operations: ['70-69=1', '60/5=12'] Exploring Operation: 12-1=11, Resulting Numbers: [11] 11,25 unequal: No Solution Exploring Operation: 1*12=12, Resulting Numbers: [12] 12,25 unequal: No Solution Exploring Operation: 12/1=12, Resulting Numbers: [12] 12,25 unequal: No Solution Moving to Node #0,0,0 Current State: 25:[5, 59], Operations: ['70-69=1', '60-1=59'] Exploring Operation: 5+59=64, Resulting Numbers: [64] 64,25 unequal: No Solution Exploring Operation: 5*59=295, Resulting Numbers: [295] 295,25 unequal: No Solution Exploring Operation: 59-5=54, Resulting Numbers: [54] 54,25 unequal: No Solution Moving to Node #0,0,2 Current State: 25:[1, 55], Operations: ['70-69=1', '60-5=55'] Exploring Operation: 55/1=55, Resulting Numbers: [55] 55,25 unequal: No Solution Exploring Operation: 1*55=55, Resulting Numbers: [55] 55,25 unequal: No Solution Exploring Operation: 55-1=54, Resulting Numbers: [54] 54,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 25:[70, 5, 9], Operations: ['69-60=9'] Exploring Operation: 70-9=61, Resulting Numbers: [5, 61] Generated Node #0,1,0: 25:[5, 61] Operation: 70-9=61 Exploring Operation: 70-5=65, Resulting Numbers: [9, 65] Generated Node #0,1,1: 25:[9, 65] Operation: 70-5=65 Exploring Operation: 70/5=14, Resulting Numbers: [9, 14] Generated Node #0,1,2: 25:[9, 14] Operation: 70/5=14 Moving to Node #0,1,2 Current State: 25:[9, 14], Operations: ['69-60=9', '70/5=14'] Exploring Operation: 9+14=23, Resulting Numbers: [23] 23,25 unequal: No Solution Exploring Operation: 14-9=5, Resulting Numbers: [5] 5,25 unequal: No Solution Exploring Operation: 9*14=126, Resulting Numbers: [126] 126,25 unequal: No Solution Moving to Node #0,1,0 Current State: 25:[5, 61], Operations: ['69-60=9', '70-9=61'] Exploring Operation: 5*61=305, Resulting Numbers: [305] 305,25 unequal: No Solution Exploring Operation: 61-5=56, Resulting Numbers: [56] 56,25 unequal: No Solution Exploring Operation: 5+61=66, Resulting Numbers: [66] 66,25 unequal: No Solution Moving to Node #0,1,1 Current State: 25:[9, 65], Operations: ['69-60=9', '70-5=65'] Exploring Operation: 65-9=56, Resulting Numbers: [56] 56,25 unequal: No Solution Exploring Operation: 9*65=585, Resulting Numbers: [585] 585,25 unequal: No Solution Exploring Operation: 9+65=74, Resulting Numbers: [74] 74,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 25:[69, 5, 10], Operations: ['70-60=10'] Exploring Operation: 10-5=5, Resulting Numbers: [69, 5] Generated Node #0,2,0: 25:[69, 5] Operation: 10-5=5 Exploring Operation: 69-10=59, Resulting Numbers: [5, 59] Generated Node #0,2,1: 25:[5, 59] Operation: 69-10=59 Exploring Operation: 69-5=64, Resulting Numbers: [10, 64] Generated Node #0,2,2: 25:[10, 64] Operation: 69-5=64 Moving to Node #0,2,1 Current State: 25:[5, 59], Operations: ['70-60=10', '69-10=59'] Exploring Operation: 5+59=64, Resulting Numbers: [64] 64,25 unequal: No Solution Exploring Operation: 59-5=54, Resulting Numbers: [54] 54,25 unequal: No Solution Exploring Operation: 5*59=295, Resulting Numbers: [295] 295,25 unequal: No Solution Moving to Node #0,2,0 Current State: 25:[69, 5], Operations: ['70-60=10', '10-5=5'] Exploring Operation: 69-5=64, Resulting Numbers: [64] 64,25 unequal: No Solution Exploring Operation: 69*5=345, Resulting Numbers: [345] 345,25 unequal: No Solution Exploring Operation: 69+5=74, Resulting Numbers: [74] 74,25 unequal: No Solution Moving to Node #0,2,2 Current State: 25:[10, 64], Operations: ['70-60=10', '69-5=64'] Exploring Operation: 10+64=74, Resulting Numbers: [74] 74,25 unequal: No Solution Exploring Operation: 64-10=54, Resulting Numbers: [54] 54,25 unequal: No Solution Exploring Operation: 10*64=640, Resulting Numbers: [640] 640,25 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
[ 18, 67, 99, 94 ]
54
[ "67-18=49", "99-94=5", "49+5=54" ]
Current State: 54:[18, 67, 99, 94], Operations: [] Exploring Operation: 67-18=49, Resulting Numbers: [99, 94, 49] Generated Node #2: [99, 94, 49] from Operation: 67-18=49 Current State: 54:[99, 94, 49], Operations: ['67-18=49'] Exploring Operation: 99-94=5, Resulting Numbers: [49, 5] Generated Node #3: [49, 5] from Operation: 99-94=5 Current State: 54:[49, 5], Operations: ['67-18=49', '99-94=5'] Exploring Operation: 49+5=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
4
Current State: 54:[18, 67, 99, 94], Operations: [] Exploring Operation: 94-18=76, Resulting Numbers: [67, 99, 76] Generated Node #0,0: 54:[67, 99, 76] Operation: 94-18=76 Exploring Operation: 99-67=32, Resulting Numbers: [18, 94, 32] Generated Node #0,1: 54:[18, 94, 32] Operation: 99-67=32 Exploring Operation: 94-67=27, Resulting Numbers: [18, 99, 27] Generated Node #0,2: 54:[18, 99, 27] Operation: 94-67=27 Exploring Operation: 99-94=5, Resulting Numbers: [18, 67, 5] Generated Node #0,3: 54:[18, 67, 5] Operation: 99-94=5 Exploring Operation: 99-18=81, Resulting Numbers: [67, 94, 81] Generated Node #0,4: 54:[67, 94, 81] Operation: 99-18=81 Start Sub Search at level 1: Moving to Node #0,3 Current State: 54:[18, 67, 5], Operations: ['99-94=5'] Exploring Operation: 67-5=62, Resulting Numbers: [18, 62] Generated Node #0,3,0: 54:[18, 62] Operation: 67-5=62 Exploring Operation: 67+5=72, Resulting Numbers: [18, 72] Generated Node #0,3,1: 54:[18, 72] Operation: 67+5=72 Exploring Operation: 18-5=13, Resulting Numbers: [67, 13] Generated Node #0,3,2: 54:[67, 13] Operation: 18-5=13 Exploring Operation: 18+5=23, Resulting Numbers: [67, 23] Generated Node #0,3,3: 54:[67, 23] Operation: 18+5=23 Exploring Operation: 67-18=49, Resulting Numbers: [5, 49] Generated Node #0,3,4: 54:[5, 49] Operation: 67-18=49 Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 54:[5, 49], Operations: ['99-94=5', '67-18=49'] Exploring Operation: 49-5=44, Resulting Numbers: [44] 44,54 unequal: No Solution Exploring Operation: 5*49=245, Resulting Numbers: [245] 245,54 unequal: No Solution Exploring Operation: 5+49=54, Resulting Numbers: [54] 54,54 equal: Goal Reached Moving to Node #0 Current State: 54:[18, 67, 99, 94], Operations: [] Exploring Operation: 99-94=5, Resulting Numbers: [18, 67, 5] Generated Node #0,3: 54:[18, 67, 5] Operation: 99-94=5 Moving to Node #0,3 Current State: 54:[18, 67, 5], Operations: ['99-94=5'] Exploring Operation: 67-18=49, Resulting Numbers: [5, 49] Generated Node #0,3,4: 54:[5, 49] Operation: 67-18=49 Moving to Node #0,3,4 Current State: 54:[5, 49], Operations: ['99-94=5', '67-18=49'] Exploring Operation: 5+49=54, Resulting Numbers: [54] 54,54 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.985243
hs_5
sum_heuristic
[ 25, 58, 92, 25 ]
100
[ "58-25=33", "92-25=67", "33+67=100" ]
Current State: 100:[25, 58, 92, 25], Operations: [] Exploring Operation: 58-25=33, Resulting Numbers: [92, 33] Generated Node #2: [92, 33] from Operation: 58-25=33 Current State: 100:[92, 33], Operations: ['58-25=33'] Exploring Operation: 92-25=67, Resulting Numbers: [33, 67] Generated Node #3: [33, 67] from Operation: 92-25=67 Current State: 100:[33, 67], Operations: ['58-25=33', '92-25=67'] Exploring Operation: 33+67=100, Resulting Numbers: [100] 100,100 equal: Goal Reached
4
Current State: 100:[25, 58, 92, 25], Operations: [] Exploring Operation: 92-58=34, Resulting Numbers: [25, 25, 34] Generated Node #0,0: 100:[25, 25, 34] Operation: 92-58=34 Start Sub Search at level 1: Moving to Node #0,0 Current State: 100:[25, 25, 34], Operations: ['92-58=34'] Exploring Operation: 34-25=9, Resulting Numbers: [25, 9] Generated Node #0,0,0: 100:[25, 9] Operation: 34-25=9 Moving to Node #0,0,0 Current State: 100:[25, 9], Operations: ['92-58=34', '34-25=9'] Exploring Operation: 25-9=16, Resulting Numbers: [16] 16,100 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
[ 58, 76, 14, 69 ]
51
[ "58+76=134", "14+69=83", "134-83=51" ]
Current State: 51:[58, 76, 14, 69], Operations: [] Exploring Operation: 58+76=134, Resulting Numbers: [14, 69, 134] Generated Node #2: [14, 69, 134] from Operation: 58+76=134 Current State: 51:[14, 69, 134], Operations: ['58+76=134'] Exploring Operation: 14+69=83, Resulting Numbers: [134, 83] Generated Node #3: [134, 83] from Operation: 14+69=83 Current State: 51:[134, 83], Operations: ['58+76=134', '14+69=83'] Exploring Operation: 134-83=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[58, 76, 14, 69], Operations: [] Exploring Operation: 69-58=11, Resulting Numbers: [76, 14, 11] Generated Node #0,0: 51:[76, 14, 11] Operation: 69-58=11 Exploring Operation: 76-58=18, Resulting Numbers: [14, 69, 18] Generated Node #0,1: 51:[14, 69, 18] Operation: 76-58=18 Exploring Operation: 76-14=62, Resulting Numbers: [58, 69, 62] Generated Node #0,2: 51:[58, 69, 62] Operation: 76-14=62 Exploring Operation: 76-69=7, Resulting Numbers: [58, 14, 7] Generated Node #0,3: 51:[58, 14, 7] Operation: 76-69=7 Start Sub Search at level 1: Moving to Node #0,3 Current State: 51:[58, 14, 7], Operations: ['76-69=7'] Exploring Operation: 14/7=2, Resulting Numbers: [58, 2] Generated Node #0,3,0: 51:[58, 2] Operation: 14/7=2 Exploring Operation: 58-7=51, Resulting Numbers: [14, 51] Generated Node #0,3,1: 51:[14, 51] Operation: 58-7=51 Exploring Operation: 14+7=21, Resulting Numbers: [58, 21] Generated Node #0,3,2: 51:[58, 21] Operation: 14+7=21 Exploring Operation: 58-14=44, Resulting Numbers: [7, 44] Generated Node #0,3,3: 51:[7, 44] Operation: 58-14=44 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 51:[14, 51], Operations: ['76-69=7', '58-7=51'] Exploring Operation: 51-14=37, Resulting Numbers: [37] 37,51 unequal: No Solution Exploring Operation: 14+51=65, Resulting Numbers: [65] 65,51 unequal: No Solution Exploring Operation: 14*51=714, Resulting Numbers: [714] 714,51 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 51:[58, 2], Operations: ['76-69=7', '14/7=2'] Exploring Operation: 58/2=29, Resulting Numbers: [29] 29,51 unequal: No Solution Exploring Operation: 58*2=116, Resulting Numbers: [116] 116,51 unequal: No Solution Exploring Operation: 58-2=56, Resulting Numbers: [56] 56,51 unequal: No Solution Exploring Operation: 58+2=60, Resulting Numbers: [60] 60,51 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 51:[58, 21], Operations: ['76-69=7', '14+7=21'] Exploring Operation: 58+21=79, Resulting Numbers: [79] 79,51 unequal: No Solution Exploring Operation: 58*21=1218, Resulting Numbers: [1218] 1218,51 unequal: No Solution Exploring Operation: 58-21=37, Resulting Numbers: [37] 37,51 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 51:[7, 44], Operations: ['76-69=7', '58-14=44'] Exploring Operation: 7*44=308, Resulting Numbers: [308] 308,51 unequal: No Solution Exploring Operation: 44-7=37, Resulting Numbers: [37] 37,51 unequal: No Solution Exploring Operation: 7+44=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Moving to Node #0 Current State: 51:[58, 76, 14, 69], Operations: [] Exploring Operation: 76-69=7, Resulting Numbers: [58, 14, 7] Generated Node #0,3: 51:[58, 14, 7] Operation: 76-69=7 Moving to Node #0,3 Current State: 51:[58, 14, 7], Operations: ['76-69=7'] Exploring Operation: 58-14=44, Resulting Numbers: [7, 44] Generated Node #0,3,3: 51:[7, 44] Operation: 58-14=44 Moving to Node #0,3,3 Current State: 51:[7, 44], Operations: ['76-69=7', '58-14=44'] Exploring Operation: 7+44=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.978299
hs_4
mult_heuristic
[ 28, 5, 24, 12 ]
56
[ "28-24=4", "5*12=60", "60-4=56" ]
Current State: 56:[28, 5, 24, 12], Operations: [] Exploring Operation: 28-24=4, Resulting Numbers: [5, 12, 4] Generated Node #2: [5, 12, 4] from Operation: 28-24=4 Current State: 56:[5, 12, 4], Operations: ['28-24=4'] Exploring Operation: 5*12=60, Resulting Numbers: [4, 60] Generated Node #3: [4, 60] from Operation: 5*12=60 Current State: 56:[4, 60], Operations: ['28-24=4', '5*12=60'] Exploring Operation: 60-4=56, Resulting Numbers: [56] 56,56 equal: Goal Reached
4
Current State: 56:[28, 5, 24, 12], Operations: [] Exploring Operation: 24/12=2, Resulting Numbers: [28, 5, 2] Generated Node #0,0: 56:[28, 5, 2] Operation: 24/12=2 Start Sub Search at level 1: Moving to Node #0,0 Current State: 56:[28, 5, 2], Operations: ['24/12=2'] Exploring Operation: 5+2=7, Resulting Numbers: [28, 7] Generated Node #0,0,0: 56:[28, 7] Operation: 5+2=7 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 56:[28, 7], Operations: ['24/12=2', '5+2=7'] Exploring Operation: 28/7=4, Resulting Numbers: [4] 4,56 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
[ 50, 94, 16, 92 ]
41
[ "94-92=2", "50/2=25", "16+25=41" ]
Current State: 41:[50, 94, 16, 92], Operations: [] Exploring Operation: 94-92=2, Resulting Numbers: [50, 16, 2] Generated Node #2: [50, 16, 2] from Operation: 94-92=2 Current State: 41:[50, 16, 2], Operations: ['94-92=2'] Exploring Operation: 50/2=25, Resulting Numbers: [16, 25] Generated Node #3: [16, 25] from Operation: 50/2=25 Current State: 41:[16, 25], Operations: ['94-92=2', '50/2=25'] Exploring Operation: 16+25=41, Resulting Numbers: [41] 41,41 equal: Goal Reached
4
Current State: 41:[50, 94, 16, 92], Operations: [] Exploring Operation: 94-92=2, Resulting Numbers: [50, 16, 2] Generated Node #0,0: 41:[50, 16, 2] Operation: 94-92=2 Exploring Operation: 92-50=42, Resulting Numbers: [94, 16, 42] Generated Node #0,1: 41:[94, 16, 42] Operation: 92-50=42 Exploring Operation: 94-50=44, Resulting Numbers: [16, 92, 44] Generated Node #0,2: 41:[16, 92, 44] Operation: 94-50=44 Exploring Operation: 94-16=78, Resulting Numbers: [50, 92, 78] Generated Node #0,3: 41:[50, 92, 78] Operation: 94-16=78 Start Sub Search at level 1: Moving to Node #0,0 Current State: 41:[50, 16, 2], Operations: ['94-92=2'] Exploring Operation: 16+2=18, Resulting Numbers: [50, 18] Generated Node #0,0,0: 41:[50, 18] Operation: 16+2=18 Exploring Operation: 50+2=52, Resulting Numbers: [16, 52] Generated Node #0,0,1: 41:[16, 52] Operation: 50+2=52 Exploring Operation: 50-2=48, Resulting Numbers: [16, 48] Generated Node #0,0,2: 41:[16, 48] Operation: 50-2=48 Exploring Operation: 16*2=32, Resulting Numbers: [50, 32] Generated Node #0,0,3: 41:[50, 32] Operation: 16*2=32 Moving to Node #0,0,3 Current State: 41:[50, 32], Operations: ['94-92=2', '16*2=32'] Exploring Operation: 50*32=1600, Resulting Numbers: [1600] 1600,41 unequal: No Solution Exploring Operation: 50+32=82, Resulting Numbers: [82] 82,41 unequal: No Solution Exploring Operation: 50-32=18, Resulting Numbers: [18] 18,41 unequal: No Solution Moving to Node #0,0,2 Current State: 41:[16, 48], Operations: ['94-92=2', '50-2=48'] Exploring Operation: 16*48=768, Resulting Numbers: [768] 768,41 unequal: No Solution Exploring Operation: 16+48=64, Resulting Numbers: [64] 64,41 unequal: No Solution Exploring Operation: 48/16=3, Resulting Numbers: [3] 3,41 unequal: No Solution Exploring Operation: 48-16=32, Resulting Numbers: [32] 32,41 unequal: No Solution Moving to Node #0,0,0 Current State: 41:[50, 18], Operations: ['94-92=2', '16+2=18'] Exploring Operation: 50-18=32, Resulting Numbers: [32] 32,41 unequal: No Solution Exploring Operation: 50*18=900, Resulting Numbers: [900] 900,41 unequal: No Solution Exploring Operation: 50+18=68, Resulting Numbers: [68] 68,41 unequal: No Solution Moving to Node #0,0,1 Current State: 41:[16, 52], Operations: ['94-92=2', '50+2=52'] Exploring Operation: 16*52=832, Resulting Numbers: [832] 832,41 unequal: No Solution Exploring Operation: 16+52=68, Resulting Numbers: [68] 68,41 unequal: No Solution Exploring Operation: 52-16=36, Resulting Numbers: [36] 36,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 41:[94, 16, 42], Operations: ['92-50=42'] Exploring Operation: 42-16=26, Resulting Numbers: [94, 26] Generated Node #0,1,0: 41:[94, 26] Operation: 42-16=26 Exploring Operation: 94-42=52, Resulting Numbers: [16, 52] Generated Node #0,1,1: 41:[16, 52] Operation: 94-42=52 Exploring Operation: 94-16=78, Resulting Numbers: [42, 78] Generated Node #0,1,2: 41:[42, 78] Operation: 94-16=78 Exploring Operation: 94+16=110, Resulting Numbers: [42, 110] Generated Node #0,1,3: 41:[42, 110] Operation: 94+16=110 Moving to Node #0,1,1 Current State: 41:[16, 52], Operations: ['92-50=42', '94-42=52'] Exploring Operation: 16*52=832, Resulting Numbers: [832] 832,41 unequal: No Solution Exploring Operation: 52-16=36, Resulting Numbers: [36] 36,41 unequal: No Solution Exploring Operation: 16+52=68, Resulting Numbers: [68] 68,41 unequal: No Solution Moving to Node #0,1,2 Current State: 41:[42, 78], Operations: ['92-50=42', '94-16=78'] Exploring Operation: 78-42=36, Resulting Numbers: [36] 36,41 unequal: No Solution Exploring Operation: 42*78=3276, Resulting Numbers: [3276] 3276,41 unequal: No Solution Exploring Operation: 42+78=120, Resulting Numbers: [120] 120,41 unequal: No Solution Moving to Node #0,1,0 Current State: 41:[94, 26], Operations: ['92-50=42', '42-16=26'] Exploring Operation: 94-26=68, Resulting Numbers: [68] 68,41 unequal: No Solution Exploring Operation: 94*26=2444, Resulting Numbers: [2444] 2444,41 unequal: No Solution Exploring Operation: 94+26=120, Resulting Numbers: [120] 120,41 unequal: No Solution Moving to Node #0,1,3 Current State: 41:[42, 110], Operations: ['92-50=42', '94+16=110'] Exploring Operation: 110-42=68, Resulting Numbers: [68] 68,41 unequal: No Solution Exploring Operation: 42*110=4620, Resulting Numbers: [4620] 4620,41 unequal: No Solution Exploring Operation: 42+110=152, Resulting Numbers: [152] 152,41 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 Current State: 41:[16, 92, 44], Operations: ['94-50=44'] Exploring Operation: 92-16=76, Resulting Numbers: [44, 76] Generated Node #0,2,0: 41:[44, 76] Operation: 92-16=76 Exploring Operation: 92-44=48, Resulting Numbers: [16, 48] Generated Node #0,2,1: 41:[16, 48] Operation: 92-44=48 Exploring Operation: 16+92=108, Resulting Numbers: [44, 108] Generated Node #0,2,2: 41:[44, 108] Operation: 16+92=108 Exploring Operation: 44-16=28, Resulting Numbers: [92, 28] Generated Node #0,2,3: 41:[92, 28] Operation: 44-16=28 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 41:[16, 48], Operations: ['94-50=44', '92-44=48'] Exploring Operation: 16*48=768, Resulting Numbers: [768] 768,41 unequal: No Solution Exploring Operation: 48-16=32, Resulting Numbers: [32] 32,41 unequal: No Solution Exploring Operation: 48/16=3, Resulting Numbers: [3] 3,41 unequal: No Solution Exploring Operation: 16+48=64, Resulting Numbers: [64] 64,41 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 41:[44, 76], Operations: ['94-50=44', '92-16=76'] Exploring Operation: 76-44=32, Resulting Numbers: [32] 32,41 unequal: No Solution Exploring Operation: 44*76=3344, Resulting Numbers: [3344] 3344,41 unequal: No Solution Exploring Operation: 44+76=120, Resulting Numbers: [120] 120,41 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 41:[92, 28], Operations: ['94-50=44', '44-16=28'] Exploring Operation: 92-28=64, Resulting Numbers: [64] 64,41 unequal: No Solution Exploring Operation: 92+28=120, Resulting Numbers: [120] 120,41 unequal: No Solution Exploring Operation: 92*28=2576, Resulting Numbers: [2576] 2576,41 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 41:[44, 108], Operations: ['94-50=44', '16+92=108'] Exploring Operation: 44+108=152, Resulting Numbers: [152] 152,41 unequal: No Solution Exploring Operation: 44*108=4752, Resulting Numbers: [4752] 4752,41 unequal: No Solution Exploring Operation: 108-44=64, Resulting Numbers: [64] 64,41 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 41:[50, 92, 78], Operations: ['94-16=78'] Exploring Operation: 78-50=28, Resulting Numbers: [92, 28] Generated Node #0,3,0: 41:[92, 28] Operation: 78-50=28 Exploring Operation: 92-78=14, Resulting Numbers: [50, 14] Generated Node #0,3,1: 41:[50, 14] Operation: 92-78=14 Exploring Operation: 92-50=42, Resulting Numbers: [78, 42] Generated Node #0,3,2: 41:[78, 42] Operation: 92-50=42 Exploring Operation: 50+92=142, Resulting Numbers: [78, 142] Generated Node #0,3,3: 41:[78, 142] Operation: 50+92=142 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 41:[50, 14], Operations: ['94-16=78', '92-78=14'] Exploring Operation: 50-14=36, Resulting Numbers: [36] 36,41 unequal: No Solution Exploring Operation: 50+14=64, Resulting Numbers: [64] 64,41 unequal: No Solution Exploring Operation: 50*14=700, Resulting Numbers: [700] 700,41 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 41:[78, 42], Operations: ['94-16=78', '92-50=42'] Exploring Operation: 78+42=120, Resulting Numbers: [120] 120,41 unequal: No Solution Exploring Operation: 78-42=36, Resulting Numbers: [36] 36,41 unequal: No Solution Exploring Operation: 78*42=3276, Resulting Numbers: [3276] 3276,41 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 41:[92, 28], Operations: ['94-16=78', '78-50=28'] Exploring Operation: 92+28=120, Resulting Numbers: [120] 120,41 unequal: No Solution Exploring Operation: 92-28=64, Resulting Numbers: [64] 64,41 unequal: No Solution Exploring Operation: 92*28=2576, Resulting Numbers: [2576] 2576,41 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 41:[78, 142], Operations: ['94-16=78', '50+92=142'] Exploring Operation: 142-78=64, Resulting Numbers: [64] 64,41 unequal: No Solution Exploring Operation: 78+142=220, Resulting Numbers: [220] 220,41 unequal: No Solution Exploring Operation: 78*142=11076, Resulting Numbers: [11076] 11076,41 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
sum_heuristic
[ 60, 92, 94, 72 ]
96
[ "94-92=2", "72/2=36", "60+36=96" ]
Current State: 96:[60, 92, 94, 72], Operations: [] Exploring Operation: 94-92=2, Resulting Numbers: [60, 72, 2] Generated Node #2: [60, 72, 2] from Operation: 94-92=2 Current State: 96:[60, 72, 2], Operations: ['94-92=2'] Exploring Operation: 72/2=36, Resulting Numbers: [60, 36] Generated Node #3: [60, 36] from Operation: 72/2=36 Current State: 96:[60, 36], Operations: ['94-92=2', '72/2=36'] Exploring Operation: 60+36=96, Resulting Numbers: [96] 96,96 equal: Goal Reached
4
Current State: 96:[60, 92, 94, 72], Operations: [] Exploring Operation: 72-60=12, Resulting Numbers: [92, 94, 12] Generated Node #0,0: 96:[92, 94, 12] Operation: 72-60=12 Exploring Operation: 92-72=20, Resulting Numbers: [60, 94, 20] Generated Node #0,1: 96:[60, 94, 20] Operation: 92-72=20 Start Sub Search at level 1: Moving to Node #0,0 Current State: 96:[92, 94, 12], Operations: ['72-60=12'] Exploring Operation: 92+12=104, Resulting Numbers: [94, 104] Generated Node #0,0,0: 96:[94, 104] Operation: 92+12=104 Exploring Operation: 94-92=2, Resulting Numbers: [12, 2] Generated Node #0,0,1: 96:[12, 2] Operation: 94-92=2 Moving to Node #0,0,1 Current State: 96:[12, 2], Operations: ['72-60=12', '94-92=2'] Exploring Operation: 12*2=24, Resulting Numbers: [24] 24,96 unequal: No Solution Exploring Operation: 12/2=6, Resulting Numbers: [6] 6,96 unequal: No Solution Moving to Node #0,0,0 Current State: 96:[94, 104], Operations: ['72-60=12', '92+12=104'] Exploring Operation: 104-94=10, Resulting Numbers: [10] 10,96 unequal: No Solution Exploring Operation: 94+104=198, Resulting Numbers: [198] 198,96 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 96:[60, 94, 20], Operations: ['92-72=20'] Exploring Operation: 94-60=34, Resulting Numbers: [20, 34] Generated Node #0,1,0: 96:[20, 34] Operation: 94-60=34 Exploring Operation: 60/20=3, Resulting Numbers: [94, 3] Generated Node #0,1,1: 96:[94, 3] Operation: 60/20=3 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 96:[94, 3], Operations: ['92-72=20', '60/20=3'] Exploring Operation: 94+3=97, Resulting Numbers: [97] 97,96 unequal: No Solution Exploring Operation: 94-3=91, Resulting Numbers: [91] 91,96 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 96:[20, 34], Operations: ['92-72=20', '94-60=34'] Exploring Operation: 34-20=14, Resulting Numbers: [14] 14,96 unequal: No Solution Exploring Operation: 20+34=54, Resulting Numbers: [54] 54,96 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 83, 6, 8, 47 ]
84
[ "83-47=36", "6*8=48", "36+48=84" ]
Current State: 84:[83, 6, 8, 47], Operations: [] Exploring Operation: 83-47=36, Resulting Numbers: [6, 8, 36] Generated Node #2: [6, 8, 36] from Operation: 83-47=36 Current State: 84:[6, 8, 36], Operations: ['83-47=36'] Exploring Operation: 6*8=48, Resulting Numbers: [36, 48] Generated Node #3: [36, 48] from Operation: 6*8=48 Current State: 84:[36, 48], Operations: ['83-47=36', '6*8=48'] Exploring Operation: 36+48=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
4
Current State: 84:[83, 6, 8, 47], Operations: [] Exploring Operation: 6+8=14, Resulting Numbers: [83, 47, 14] Generated Node #0,0: 84:[83, 47, 14] Operation: 6+8=14 Exploring Operation: 47-8=39, Resulting Numbers: [83, 6, 39] Generated Node #0,1: 84:[83, 6, 39] Operation: 47-8=39 Exploring Operation: 47-6=41, Resulting Numbers: [83, 8, 41] Generated Node #0,2: 84:[83, 8, 41] Operation: 47-6=41 Exploring Operation: 8-6=2, Resulting Numbers: [83, 47, 2] Generated Node #0,3: 84:[83, 47, 2] Operation: 8-6=2 Start Sub Search at level 1: Moving to Node #0,2 Current State: 84:[83, 8, 41], Operations: ['47-6=41'] Exploring Operation: 83-41=42, Resulting Numbers: [8, 42] Generated Node #0,2,0: 84:[8, 42] Operation: 83-41=42 Exploring Operation: 8+41=49, Resulting Numbers: [83, 49] Generated Node #0,2,1: 84:[83, 49] Operation: 8+41=49 Exploring Operation: 83+8=91, Resulting Numbers: [41, 91] Generated Node #0,2,2: 84:[41, 91] Operation: 83+8=91 Exploring Operation: 41-8=33, Resulting Numbers: [83, 33] Generated Node #0,2,3: 84:[83, 33] Operation: 41-8=33 Moving to Node #0,2,0 Current State: 84:[8, 42], Operations: ['47-6=41', '83-41=42'] Exploring Operation: 42-8=34, Resulting Numbers: [34] 34,84 unequal: No Solution Exploring Operation: 8+42=50, Resulting Numbers: [50] 50,84 unequal: No Solution Exploring Operation: 8*42=336, Resulting Numbers: [336] 336,84 unequal: No Solution Moving to Node #0,2,3 Current State: 84:[83, 33], Operations: ['47-6=41', '41-8=33'] Exploring Operation: 83+33=116, Resulting Numbers: [116] 116,84 unequal: No Solution Exploring Operation: 83*33=2739, Resulting Numbers: [2739] 2739,84 unequal: No Solution Exploring Operation: 83-33=50, Resulting Numbers: [50] 50,84 unequal: No Solution Moving to Node #0,2,2 Current State: 84:[41, 91], Operations: ['47-6=41', '83+8=91'] Exploring Operation: 91-41=50, Resulting Numbers: [50] 50,84 unequal: No Solution Exploring Operation: 41*91=3731, Resulting Numbers: [3731] 3731,84 unequal: No Solution Exploring Operation: 41+91=132, Resulting Numbers: [132] 132,84 unequal: No Solution Moving to Node #0,2,1 Current State: 84:[83, 49], Operations: ['47-6=41', '8+41=49'] Exploring Operation: 83+49=132, Resulting Numbers: [132] 132,84 unequal: No Solution Exploring Operation: 83-49=34, Resulting Numbers: [34] 34,84 unequal: No Solution Exploring Operation: 83*49=4067, Resulting Numbers: [4067] 4067,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 84:[83, 6, 39], Operations: ['47-8=39'] Exploring Operation: 39-6=33, Resulting Numbers: [83, 33] Generated Node #0,1,0: 84:[83, 33] Operation: 39-6=33 Exploring Operation: 83-39=44, Resulting Numbers: [6, 44] Generated Node #0,1,1: 84:[6, 44] Operation: 83-39=44 Exploring Operation: 83+6=89, Resulting Numbers: [39, 89] Generated Node #0,1,2: 84:[39, 89] Operation: 83+6=89 Exploring Operation: 6+39=45, Resulting Numbers: [83, 45] Generated Node #0,1,3: 84:[83, 45] Operation: 6+39=45 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 84:[6, 44], Operations: ['47-8=39', '83-39=44'] Exploring Operation: 6*44=264, Resulting Numbers: [264] 264,84 unequal: No Solution Exploring Operation: 44-6=38, Resulting Numbers: [38] 38,84 unequal: No Solution Exploring Operation: 6+44=50, Resulting Numbers: [50] 50,84 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 84:[83, 45], Operations: ['47-8=39', '6+39=45'] Exploring Operation: 83*45=3735, Resulting Numbers: [3735] 3735,84 unequal: No Solution Exploring Operation: 83+45=128, Resulting Numbers: [128] 128,84 unequal: No Solution Exploring Operation: 83-45=38, Resulting Numbers: [38] 38,84 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 84:[83, 33], Operations: ['47-8=39', '39-6=33'] Exploring Operation: 83+33=116, Resulting Numbers: [116] 116,84 unequal: No Solution Exploring Operation: 83*33=2739, Resulting Numbers: [2739] 2739,84 unequal: No Solution Exploring Operation: 83-33=50, Resulting Numbers: [50] 50,84 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 84:[39, 89], Operations: ['47-8=39', '83+6=89'] Exploring Operation: 89-39=50, Resulting Numbers: [50] 50,84 unequal: No Solution Exploring Operation: 39*89=3471, Resulting Numbers: [3471] 3471,84 unequal: No Solution Exploring Operation: 39+89=128, Resulting Numbers: [128] 128,84 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 84:[83, 47, 14], Operations: ['6+8=14'] Exploring Operation: 83-47=36, Resulting Numbers: [14, 36] Generated Node #0,0,0: 84:[14, 36] Operation: 83-47=36 Exploring Operation: 83-14=69, Resulting Numbers: [47, 69] Generated Node #0,0,1: 84:[47, 69] Operation: 83-14=69 Exploring Operation: 83+14=97, Resulting Numbers: [47, 97] Generated Node #0,0,2: 84:[47, 97] Operation: 83+14=97 Exploring Operation: 47-14=33, Resulting Numbers: [83, 33] Generated Node #0,0,3: 84:[83, 33] Operation: 47-14=33 Moving to Node #0,0,0 Current State: 84:[14, 36], Operations: ['6+8=14', '83-47=36'] Exploring Operation: 14+36=50, Resulting Numbers: [50] 50,84 unequal: No Solution Exploring Operation: 36-14=22, Resulting Numbers: [22] 22,84 unequal: No Solution Exploring Operation: 14*36=504, Resulting Numbers: [504] 504,84 unequal: No Solution Moving to Node #0,0,3 Current State: 84:[83, 33], Operations: ['6+8=14', '47-14=33'] Exploring Operation: 83-33=50, Resulting Numbers: [50] 50,84 unequal: No Solution Exploring Operation: 83*33=2739, Resulting Numbers: [2739] 2739,84 unequal: No Solution Exploring Operation: 83+33=116, Resulting Numbers: [116] 116,84 unequal: No Solution Moving to Node #0,0,2 Current State: 84:[47, 97], Operations: ['6+8=14', '83+14=97'] Exploring Operation: 47*97=4559, Resulting Numbers: [4559] 4559,84 unequal: No Solution Exploring Operation: 47+97=144, Resulting Numbers: [144] 144,84 unequal: No Solution Exploring Operation: 97-47=50, Resulting Numbers: [50] 50,84 unequal: No Solution Moving to Node #0,0,1 Current State: 84:[47, 69], Operations: ['6+8=14', '83-14=69'] Exploring Operation: 47*69=3243, Resulting Numbers: [3243] 3243,84 unequal: No Solution Exploring Operation: 69-47=22, Resulting Numbers: [22] 22,84 unequal: No Solution Exploring Operation: 47+69=116, Resulting Numbers: [116] 116,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 84:[83, 47, 2], Operations: ['8-6=2'] Exploring Operation: 47-2=45, Resulting Numbers: [83, 45] Generated Node #0,3,0: 84:[83, 45] Operation: 47-2=45 Exploring Operation: 83-2=81, Resulting Numbers: [47, 81] Generated Node #0,3,1: 84:[47, 81] Operation: 83-2=81 Exploring Operation: 83-47=36, Resulting Numbers: [2, 36] Generated Node #0,3,2: 84:[2, 36] Operation: 83-47=36 Exploring Operation: 83+2=85, Resulting Numbers: [47, 85] Generated Node #0,3,3: 84:[47, 85] Operation: 83+2=85 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 84:[83, 45], Operations: ['8-6=2', '47-2=45'] Exploring Operation: 83+45=128, Resulting Numbers: [128] 128,84 unequal: No Solution Exploring Operation: 83-45=38, Resulting Numbers: [38] 38,84 unequal: No Solution Exploring Operation: 83*45=3735, Resulting Numbers: [3735] 3735,84 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 84:[2, 36], Operations: ['8-6=2', '83-47=36'] Exploring Operation: 2+36=38, Resulting Numbers: [38] 38,84 unequal: No Solution Exploring Operation: 36-2=34, Resulting Numbers: [34] 34,84 unequal: No Solution Exploring Operation: 2*36=72, Resulting Numbers: [72] 72,84 unequal: No Solution Exploring Operation: 36/2=18, Resulting Numbers: [18] 18,84 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 84:[47, 85], Operations: ['8-6=2', '83+2=85'] Exploring Operation: 47+85=132, Resulting Numbers: [132] 132,84 unequal: No Solution Exploring Operation: 47*85=3995, Resulting Numbers: [3995] 3995,84 unequal: No Solution Exploring Operation: 85-47=38, Resulting Numbers: [38] 38,84 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 84:[47, 81], Operations: ['8-6=2', '83-2=81'] Exploring Operation: 47+81=128, Resulting Numbers: [128] 128,84 unequal: No Solution Exploring Operation: 47*81=3807, Resulting Numbers: [3807] 3807,84 unequal: No Solution Exploring Operation: 81-47=34, Resulting Numbers: [34] 34,84 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
mult_heuristic
[ 46, 93, 18, 91 ]
30
[ "46+93=139", "18+91=109", "139-109=30" ]
Current State: 30:[46, 93, 18, 91], Operations: [] Exploring Operation: 46+93=139, Resulting Numbers: [18, 91, 139] Generated Node #2: [18, 91, 139] from Operation: 46+93=139 Current State: 30:[18, 91, 139], Operations: ['46+93=139'] Exploring Operation: 18+91=109, Resulting Numbers: [139, 109] Generated Node #3: [139, 109] from Operation: 18+91=109 Current State: 30:[139, 109], Operations: ['46+93=139', '18+91=109'] Exploring Operation: 139-109=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
4
Current State: 30:[46, 93, 18, 91], Operations: [] Exploring Operation: 93-46=47, Resulting Numbers: [18, 91, 47] Generated Node #0,0: 30:[18, 91, 47] Operation: 93-46=47 Exploring Operation: 93-91=2, Resulting Numbers: [46, 18, 2] Generated Node #0,1: 30:[46, 18, 2] Operation: 93-91=2 Moving to Node #0,1 Current State: 30:[46, 18, 2], Operations: ['93-91=2'] Exploring Operation: 46-18=28, Resulting Numbers: [2, 28] Generated Node #0,1,0: 30:[2, 28] Operation: 46-18=28 Exploring Operation: 46/2=23, Resulting Numbers: [18, 23] Generated Node #0,1,1: 30:[18, 23] Operation: 46/2=23 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 30:[2, 28], Operations: ['93-91=2', '46-18=28'] Exploring Operation: 28/2=14, Resulting Numbers: [14] 14,30 unequal: No Solution Exploring Operation: 2+28=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Moving to Node #0 Current State: 30:[46, 93, 18, 91], Operations: [] Exploring Operation: 93-91=2, Resulting Numbers: [46, 18, 2] Generated Node #0,1: 30:[46, 18, 2] Operation: 93-91=2 Moving to Node #0,1 Current State: 30:[46, 18, 2], Operations: ['93-91=2'] Exploring Operation: 46-18=28, Resulting Numbers: [2, 28] Generated Node #0,1,0: 30:[2, 28] Operation: 46-18=28 Moving to Node #0,1,0 Current State: 30:[2, 28], Operations: ['93-91=2', '46-18=28'] Exploring Operation: 2+28=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Exit Sub Search at level 1
0.991319
hs_2
sum_heuristic
[ 3, 93, 89, 12 ]
19
[ "3+93=96", "89-12=77", "96-77=19" ]
Current State: 19:[3, 93, 89, 12], Operations: [] Exploring Operation: 3+93=96, Resulting Numbers: [89, 12, 96] Generated Node #2: [89, 12, 96] from Operation: 3+93=96 Current State: 19:[89, 12, 96], Operations: ['3+93=96'] Exploring Operation: 89-12=77, Resulting Numbers: [96, 77] Generated Node #3: [96, 77] from Operation: 89-12=77 Current State: 19:[96, 77], Operations: ['3+93=96', '89-12=77'] Exploring Operation: 96-77=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
4
Current State: 19:[3, 93, 89, 12], Operations: [] Exploring Operation: 93-89=4, Resulting Numbers: [3, 12, 4] Generated Node #0,0: 19:[3, 12, 4] Operation: 93-89=4 Exploring Operation: 93/3=31, Resulting Numbers: [89, 12, 31] Generated Node #0,1: 19:[89, 12, 31] Operation: 93/3=31 Moving to Node #0,0 Current State: 19:[3, 12, 4], Operations: ['93-89=4'] Exploring Operation: 3+12=15, Resulting Numbers: [4, 15] Generated Node #0,0,0: 19:[4, 15] Operation: 3+12=15 Exploring Operation: 3*4=12, Resulting Numbers: [12, 12] Generated Node #0,0,1: 19:[12, 12] Operation: 3*4=12 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 19:[12, 12], Operations: ['93-89=4', '3*4=12'] Exploring Operation: 12+12=24, Resulting Numbers: [24] 24,19 unequal: No Solution Exploring Operation: 12/12=1, Resulting Numbers: [1] 1,19 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 #0,0,0 Current State: 19:[4, 15], Operations: ['93-89=4', '3+12=15'] Exploring Operation: 4+15=19, Resulting Numbers: [19] 19,19 equal: Goal Reached Moving to Node #0 Current State: 19:[3, 93, 89, 12], Operations: [] Exploring Operation: 93-89=4, Resulting Numbers: [3, 12, 4] Generated Node #0,0: 19:[3, 12, 4] Operation: 93-89=4 Moving to Node #0,0 Current State: 19:[3, 12, 4], Operations: ['93-89=4'] Exploring Operation: 3+12=15, Resulting Numbers: [4, 15] Generated Node #0,0,0: 19:[4, 15] Operation: 3+12=15 Moving to Node #0,0,0 Current State: 19:[4, 15], Operations: ['93-89=4', '3+12=15'] Exploring Operation: 4+15=19, Resulting Numbers: [19] 19,19 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_2
sum_heuristic
[ 13, 3, 98, 69 ]
68
[ "13*3=39", "98-69=29", "39+29=68" ]
Current State: 68:[13, 3, 98, 69], Operations: [] Exploring Operation: 13*3=39, Resulting Numbers: [98, 69, 39] Generated Node #2: [98, 69, 39] from Operation: 13*3=39 Current State: 68:[98, 69, 39], Operations: ['13*3=39'] Exploring Operation: 98-69=29, Resulting Numbers: [39, 29] Generated Node #3: [39, 29] from Operation: 98-69=29 Current State: 68:[39, 29], Operations: ['13*3=39', '98-69=29'] Exploring Operation: 39+29=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
4
Current State: 68:[13, 3, 98, 69], Operations: [] Exploring Operation: 13+3=16, Resulting Numbers: [98, 69, 16] Generated Node #0,0: 68:[98, 69, 16] Operation: 13+3=16 Exploring Operation: 98-13=85, Resulting Numbers: [3, 69, 85] Generated Node #0,1: 68:[3, 69, 85] Operation: 98-13=85 Exploring Operation: 98-69=29, Resulting Numbers: [13, 3, 29] Generated Node #0,2: 68:[13, 3, 29] Operation: 98-69=29 Moving to Node #0,2 Current State: 68:[13, 3, 29], Operations: ['98-69=29'] Exploring Operation: 13+3=16, Resulting Numbers: [29, 16] Generated Node #0,2,0: 68:[29, 16] Operation: 13+3=16 Exploring Operation: 3+29=32, Resulting Numbers: [13, 32] Generated Node #0,2,1: 68:[13, 32] Operation: 3+29=32 Exploring Operation: 29-13=16, Resulting Numbers: [3, 16] Generated Node #0,2,2: 68:[3, 16] Operation: 29-13=16 Moving to Node #0,1 Current State: 68:[3, 69, 85], Operations: ['98-13=85'] Exploring Operation: 85-3=82, Resulting Numbers: [69, 82] Generated Node #0,1,0: 68:[69, 82] Operation: 85-3=82 Exploring Operation: 69-3=66, Resulting Numbers: [85, 66] Generated Node #0,1,1: 68:[85, 66] Operation: 69-3=66 Exploring Operation: 85-69=16, Resulting Numbers: [3, 16] Generated Node #0,1,2: 68:[3, 16] Operation: 85-69=16 Moving to Node #0,0 Current State: 68:[98, 69, 16], Operations: ['13+3=16'] Exploring Operation: 69-16=53, Resulting Numbers: [98, 53] Generated Node #0,0,0: 68:[98, 53] Operation: 69-16=53 Exploring Operation: 98-69=29, Resulting Numbers: [16, 29] Generated Node #0,0,1: 68:[16, 29] Operation: 98-69=29 Exploring Operation: 98-16=82, Resulting Numbers: [69, 82] Generated Node #0,0,2: 68:[69, 82] Operation: 98-16=82 Moving to Node #0,2,2 Current State: 68:[3, 16], Operations: ['98-69=29', '29-13=16'] Exploring Operation: 3+16=19, Resulting Numbers: [19] 19,68 unequal: No Solution Exploring Operation: 16-3=13, Resulting Numbers: [13] 13,68 unequal: No Solution Exploring Operation: 3*16=48, Resulting Numbers: [48] 48,68 unequal: No Solution Moving to Node #0,1,2 Current State: 68:[3, 16], Operations: ['98-13=85', '85-69=16'] Exploring Operation: 16-3=13, Resulting Numbers: [13] 13,68 unequal: No Solution Exploring Operation: 3+16=19, Resulting Numbers: [19] 19,68 unequal: No Solution Exploring Operation: 3*16=48, Resulting Numbers: [48] 48,68 unequal: No Solution Moving to Node #0,2,1 Current State: 68:[13, 32], Operations: ['98-69=29', '3+29=32'] Exploring Operation: 13*32=416, Resulting Numbers: [416] 416,68 unequal: No Solution Exploring Operation: 13+32=45, Resulting Numbers: [45] 45,68 unequal: No Solution Exploring Operation: 32-13=19, Resulting Numbers: [19] 19,68 unequal: No Solution Moving to Node #0,0,1 Current State: 68:[16, 29], Operations: ['13+3=16', '98-69=29'] Exploring Operation: 16+29=45, Resulting Numbers: [45] 45,68 unequal: No Solution Exploring Operation: 16*29=464, Resulting Numbers: [464] 464,68 unequal: No Solution Exploring Operation: 29-16=13, Resulting Numbers: [13] 13,68 unequal: No Solution Moving to Node #0,2,0 Current State: 68:[29, 16], Operations: ['98-69=29', '13+3=16'] Exploring Operation: 29+16=45, Resulting Numbers: [45] 45,68 unequal: No Solution Exploring Operation: 29*16=464, Resulting Numbers: [464] 464,68 unequal: No Solution Exploring Operation: 29-16=13, Resulting Numbers: [13] 13,68 unequal: No Solution Moving to Node #0,1,0 Current State: 68:[69, 82], Operations: ['98-13=85', '85-3=82'] Exploring Operation: 69*82=5658, Resulting Numbers: [5658] 5658,68 unequal: No Solution Exploring Operation: 69+82=151, Resulting Numbers: [151] 151,68 unequal: No Solution Exploring Operation: 82-69=13, Resulting Numbers: [13] 13,68 unequal: No Solution Moving to Node #0,0,2 Current State: 68:[69, 82], Operations: ['13+3=16', '98-16=82'] Exploring Operation: 69*82=5658, Resulting Numbers: [5658] 5658,68 unequal: No Solution Exploring Operation: 69+82=151, Resulting Numbers: [151] 151,68 unequal: No Solution Exploring Operation: 82-69=13, Resulting Numbers: [13] 13,68 unequal: No Solution Moving to Node #0,1,1 Current State: 68:[85, 66], Operations: ['98-13=85', '69-3=66'] Exploring Operation: 85+66=151, Resulting Numbers: [151] 151,68 unequal: No Solution Exploring Operation: 85-66=19, Resulting Numbers: [19] 19,68 unequal: No Solution Exploring Operation: 85*66=5610, Resulting Numbers: [5610] 5610,68 unequal: No Solution Moving to Node #0,0,0 Current State: 68:[98, 53], Operations: ['13+3=16', '69-16=53'] Exploring Operation: 98*53=5194, Resulting Numbers: [5194] 5194,68 unequal: No Solution Exploring Operation: 98+53=151, Resulting Numbers: [151] 151,68 unequal: No Solution Exploring Operation: 98-53=45, Resulting Numbers: [45] 45,68 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 52, 39, 65, 58 ]
66
[ "52+58=110", "39*110=4290", "4290/65=66" ]
Current State: 66:[52, 39, 65, 58], Operations: [] Exploring Operation: 52+58=110, Resulting Numbers: [39, 65, 110] Generated Node #2: [39, 65, 110] from Operation: 52+58=110 Current State: 66:[39, 65, 110], Operations: ['52+58=110'] Exploring Operation: 39*110=4290, Resulting Numbers: [65, 4290] Generated Node #3: [65, 4290] from Operation: 39*110=4290 Current State: 66:[65, 4290], Operations: ['52+58=110', '39*110=4290'] Exploring Operation: 4290/65=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
4
Current State: 66:[52, 39, 65, 58], Operations: [] Exploring Operation: 52-39=13, Resulting Numbers: [65, 58, 13] Generated Node #0,0: 66:[65, 58, 13] Operation: 52-39=13 Exploring Operation: 58-52=6, Resulting Numbers: [39, 65, 6] Generated Node #0,1: 66:[39, 65, 6] Operation: 58-52=6 Moving to Node #0,1 Current State: 66:[39, 65, 6], Operations: ['58-52=6'] Exploring Operation: 39-6=33, Resulting Numbers: [65, 33] Generated Node #0,1,0: 66:[65, 33] Operation: 39-6=33 Exploring Operation: 65-39=26, Resulting Numbers: [6, 26] Generated Node #0,1,1: 66:[6, 26] Operation: 65-39=26 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 66:[65, 33], Operations: ['58-52=6', '39-6=33'] Exploring Operation: 65-33=32, Resulting Numbers: [32] 32,66 unequal: No Solution Exploring Operation: 65+33=98, Resulting Numbers: [98] 98,66 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:[6, 26], Operations: ['58-52=6', '65-39=26'] Exploring Operation: 6+26=32, Resulting Numbers: [32] 32,66 unequal: No Solution Exploring Operation: 26-6=20, Resulting Numbers: [20] 20,66 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:[65, 58, 13], Operations: ['52-39=13'] Exploring Operation: 65-58=7, Resulting Numbers: [13, 7] Generated Node #0,0,0: 66:[13, 7] Operation: 65-58=7 Exploring Operation: 58+13=71, Resulting Numbers: [65, 71] Generated Node #0,0,1: 66:[65, 71] Operation: 58+13=71 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 66:[13, 7], Operations: ['52-39=13', '65-58=7'] Exploring Operation: 13-7=6, Resulting Numbers: [6] 6,66 unequal: No Solution Exploring Operation: 13+7=20, Resulting Numbers: [20] 20,66 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:[65, 71], Operations: ['52-39=13', '58+13=71'] Exploring Operation: 71-65=6, Resulting Numbers: [6] 6,66 unequal: No Solution Exploring Operation: 65+71=136, Resulting Numbers: [136] 136,66 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 12, 91, 19, 78 ]
84
[ "91-19=72", "72/12=6", "78+6=84" ]
Current State: 84:[12, 91, 19, 78], Operations: [] Exploring Operation: 91-19=72, Resulting Numbers: [12, 78, 72] Generated Node #2: [12, 78, 72] from Operation: 91-19=72 Current State: 84:[12, 78, 72], Operations: ['91-19=72'] Exploring Operation: 72/12=6, Resulting Numbers: [78, 6] Generated Node #3: [78, 6] from Operation: 72/12=6 Current State: 84:[78, 6], Operations: ['91-19=72', '72/12=6'] Exploring Operation: 78+6=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
4
Current State: 84:[12, 91, 19, 78], Operations: [] Exploring Operation: 12+78=90, Resulting Numbers: [91, 19, 90] Generated Node #0,0: 84:[91, 19, 90] Operation: 12+78=90 Exploring Operation: 19-12=7, Resulting Numbers: [91, 78, 7] Generated Node #0,1: 84:[91, 78, 7] Operation: 19-12=7 Exploring Operation: 91-78=13, Resulting Numbers: [12, 19, 13] Generated Node #0,2: 84:[12, 19, 13] Operation: 91-78=13 Exploring Operation: 91-12=79, Resulting Numbers: [19, 78, 79] Generated Node #0,3: 84:[19, 78, 79] Operation: 91-12=79 Start Sub Search at level 1: Moving to Node #0,2 Current State: 84:[12, 19, 13], Operations: ['91-78=13'] Exploring Operation: 19-13=6, Resulting Numbers: [12, 6] Generated Node #0,2,0: 84:[12, 6] Operation: 19-13=6 Exploring Operation: 12+19=31, Resulting Numbers: [13, 31] Generated Node #0,2,1: 84:[13, 31] Operation: 12+19=31 Exploring Operation: 19-12=7, Resulting Numbers: [13, 7] Generated Node #0,2,2: 84:[13, 7] Operation: 19-12=7 Exploring Operation: 13-12=1, Resulting Numbers: [19, 1] Generated Node #0,2,3: 84:[19, 1] Operation: 13-12=1 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 84:[12, 6], Operations: ['91-78=13', '19-13=6'] Exploring Operation: 12*6=72, Resulting Numbers: [72] 72,84 unequal: No Solution Exploring Operation: 12-6=6, Resulting Numbers: [6] 6,84 unequal: No Solution Exploring Operation: 12+6=18, Resulting Numbers: [18] 18,84 unequal: No Solution Exploring Operation: 12/6=2, Resulting Numbers: [2] 2,84 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 84:[13, 7], Operations: ['91-78=13', '19-12=7'] Exploring Operation: 13-7=6, Resulting Numbers: [6] 6,84 unequal: No Solution Exploring Operation: 13*7=91, Resulting Numbers: [91] 91,84 unequal: No Solution Exploring Operation: 13+7=20, Resulting Numbers: [20] 20,84 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 84:[19, 1], Operations: ['91-78=13', '13-12=1'] Exploring Operation: 19*1=19, Resulting Numbers: [19] 19,84 unequal: No Solution Exploring Operation: 19/1=19, Resulting Numbers: [19] 19,84 unequal: No Solution Exploring Operation: 19-1=18, Resulting Numbers: [18] 18,84 unequal: No Solution Exploring Operation: 19+1=20, Resulting Numbers: [20] 20,84 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 84:[13, 31], Operations: ['91-78=13', '12+19=31'] Exploring Operation: 13+31=44, Resulting Numbers: [44] 44,84 unequal: No Solution Exploring Operation: 13*31=403, Resulting Numbers: [403] 403,84 unequal: No Solution Exploring Operation: 31-13=18, Resulting Numbers: [18] 18,84 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 84:[91, 78, 7], Operations: ['19-12=7'] Exploring Operation: 91-78=13, Resulting Numbers: [7, 13] Generated Node #0,1,0: 84:[7, 13] Operation: 91-78=13 Exploring Operation: 91/7=13, Resulting Numbers: [78, 13] Generated Node #0,1,1: 84:[78, 13] Operation: 91/7=13 Exploring Operation: 78+7=85, Resulting Numbers: [91, 85] Generated Node #0,1,2: 84:[91, 85] Operation: 78+7=85 Exploring Operation: 91-7=84, Resulting Numbers: [78, 84] Generated Node #0,1,3: 84:[78, 84] Operation: 91-7=84 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 84:[7, 13], Operations: ['19-12=7', '91-78=13'] Exploring Operation: 7+13=20, Resulting Numbers: [20] 20,84 unequal: No Solution Exploring Operation: 7*13=91, Resulting Numbers: [91] 91,84 unequal: No Solution Exploring Operation: 13-7=6, Resulting Numbers: [6] 6,84 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 84:[78, 84], Operations: ['19-12=7', '91-7=84'] Exploring Operation: 78*84=6552, Resulting Numbers: [6552] 6552,84 unequal: No Solution Exploring Operation: 84-78=6, Resulting Numbers: [6] 6,84 unequal: No Solution Exploring Operation: 78+84=162, Resulting Numbers: [162] 162,84 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 84:[78, 13], Operations: ['19-12=7', '91/7=13'] Exploring Operation: 78*13=1014, Resulting Numbers: [1014] 1014,84 unequal: No Solution Exploring Operation: 78/13=6, Resulting Numbers: [6] 6,84 unequal: No Solution Exploring Operation: 78-13=65, Resulting Numbers: [65] 65,84 unequal: No Solution Exploring Operation: 78+13=91, Resulting Numbers: [91] 91,84 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 84:[91, 85], Operations: ['19-12=7', '78+7=85'] Exploring Operation: 91*85=7735, Resulting Numbers: [7735] 7735,84 unequal: No Solution Exploring Operation: 91+85=176, Resulting Numbers: [176] 176,84 unequal: No Solution Exploring Operation: 91-85=6, Resulting Numbers: [6] 6,84 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 84:[19, 78, 79], Operations: ['91-12=79'] Exploring Operation: 78-19=59, Resulting Numbers: [79, 59] Generated Node #0,3,0: 84:[79, 59] Operation: 78-19=59 Exploring Operation: 79-78=1, Resulting Numbers: [19, 1] Generated Node #0,3,1: 84:[19, 1] Operation: 79-78=1 Exploring Operation: 19+79=98, Resulting Numbers: [78, 98] Generated Node #0,3,2: 84:[78, 98] Operation: 19+79=98 Exploring Operation: 19+78=97, Resulting Numbers: [79, 97] Generated Node #0,3,3: 84:[79, 97] Operation: 19+78=97 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 84:[19, 1], Operations: ['91-12=79', '79-78=1'] Exploring Operation: 19*1=19, Resulting Numbers: [19] 19,84 unequal: No Solution Exploring Operation: 19/1=19, Resulting Numbers: [19] 19,84 unequal: No Solution Exploring Operation: 19+1=20, Resulting Numbers: [20] 20,84 unequal: No Solution Exploring Operation: 19-1=18, Resulting Numbers: [18] 18,84 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 84:[79, 97], Operations: ['91-12=79', '19+78=97'] Exploring Operation: 97-79=18, Resulting Numbers: [18] 18,84 unequal: No Solution Exploring Operation: 79+97=176, Resulting Numbers: [176] 176,84 unequal: No Solution Exploring Operation: 79*97=7663, Resulting Numbers: [7663] 7663,84 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 84:[78, 98], Operations: ['91-12=79', '19+79=98'] Exploring Operation: 98-78=20, Resulting Numbers: [20] 20,84 unequal: No Solution Exploring Operation: 78*98=7644, Resulting Numbers: [7644] 7644,84 unequal: No Solution Exploring Operation: 78+98=176, Resulting Numbers: [176] 176,84 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 84:[79, 59], Operations: ['91-12=79', '78-19=59'] Exploring Operation: 79+59=138, Resulting Numbers: [138] 138,84 unequal: No Solution Exploring Operation: 79*59=4661, Resulting Numbers: [4661] 4661,84 unequal: No Solution Exploring Operation: 79-59=20, Resulting Numbers: [20] 20,84 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 84:[91, 19, 90], Operations: ['12+78=90'] Exploring Operation: 91-19=72, Resulting Numbers: [90, 72] Generated Node #0,0,0: 84:[90, 72] Operation: 91-19=72 Exploring Operation: 91+19=110, Resulting Numbers: [90, 110] Generated Node #0,0,1: 84:[90, 110] Operation: 91+19=110 Exploring Operation: 91-90=1, Resulting Numbers: [19, 1] Generated Node #0,0,2: 84:[19, 1] Operation: 91-90=1 Exploring Operation: 90-19=71, Resulting Numbers: [91, 71] Generated Node #0,0,3: 84:[91, 71] Operation: 90-19=71 Moving to Node #0,0,2 Current State: 84:[19, 1], Operations: ['12+78=90', '91-90=1'] Exploring Operation: 19-1=18, Resulting Numbers: [18] 18,84 unequal: No Solution Exploring Operation: 19/1=19, Resulting Numbers: [19] 19,84 unequal: No Solution Exploring Operation: 19+1=20, Resulting Numbers: [20] 20,84 unequal: No Solution Exploring Operation: 19*1=19, Resulting Numbers: [19] 19,84 unequal: No Solution Moving to Node #0,0,0 Current State: 84:[90, 72], Operations: ['12+78=90', '91-19=72'] Exploring Operation: 90*72=6480, Resulting Numbers: [6480] 6480,84 unequal: No Solution Exploring Operation: 90-72=18, Resulting Numbers: [18] 18,84 unequal: No Solution Exploring Operation: 90+72=162, Resulting Numbers: [162] 162,84 unequal: No Solution Moving to Node #0,0,3 Current State: 84:[91, 71], Operations: ['12+78=90', '90-19=71'] Exploring Operation: 91-71=20, Resulting Numbers: [20] 20,84 unequal: No Solution Exploring Operation: 91*71=6461, Resulting Numbers: [6461] 6461,84 unequal: No Solution Exploring Operation: 91+71=162, Resulting Numbers: [162] 162,84 unequal: No Solution Moving to Node #0,0,1 Current State: 84:[90, 110], Operations: ['12+78=90', '91+19=110'] Exploring Operation: 90*110=9900, Resulting Numbers: [9900] 9900,84 unequal: No Solution Exploring Operation: 110-90=20, Resulting Numbers: [20] 20,84 unequal: No Solution Exploring Operation: 90+110=200, Resulting Numbers: [200] 200,84 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
[ 34, 88, 95, 99 ]
72
[ "34+88=122", "95+99=194", "194-122=72" ]
Current State: 72:[34, 88, 95, 99], Operations: [] Exploring Operation: 34+88=122, Resulting Numbers: [95, 99, 122] Generated Node #2: [95, 99, 122] from Operation: 34+88=122 Current State: 72:[95, 99, 122], Operations: ['34+88=122'] Exploring Operation: 95+99=194, Resulting Numbers: [122, 194] Generated Node #3: [122, 194] from Operation: 95+99=194 Current State: 72:[122, 194], Operations: ['34+88=122', '95+99=194'] Exploring Operation: 194-122=72, Resulting Numbers: [72] 72,72 equal: Goal Reached
4
Current State: 72:[34, 88, 95, 99], Operations: [] Exploring Operation: 95-34=61, Resulting Numbers: [88, 99, 61] Generated Node #0,0: 72:[88, 99, 61] Operation: 95-34=61 Exploring Operation: 99-88=11, Resulting Numbers: [34, 95, 11] Generated Node #0,1: 72:[34, 95, 11] Operation: 99-88=11 Exploring Operation: 95-88=7, Resulting Numbers: [34, 99, 7] Generated Node #0,2: 72:[34, 99, 7] Operation: 95-88=7 Exploring Operation: 99-34=65, Resulting Numbers: [88, 95, 65] Generated Node #0,3: 72:[88, 95, 65] Operation: 99-34=65 Exploring Operation: 99-95=4, Resulting Numbers: [34, 88, 4] Generated Node #0,4: 72:[34, 88, 4] Operation: 99-95=4 Start Sub Search at level 1: Moving to Node #0,4 Current State: 72:[34, 88, 4], Operations: ['99-95=4'] Exploring Operation: 88-34=54, Resulting Numbers: [4, 54] Generated Node #0,4,0: 72:[4, 54] Operation: 88-34=54 Exploring Operation: 88/4=22, Resulting Numbers: [34, 22] Generated Node #0,4,1: 72:[34, 22] Operation: 88/4=22 Exploring Operation: 34-4=30, Resulting Numbers: [88, 30] Generated Node #0,4,2: 72:[88, 30] Operation: 34-4=30 Exploring Operation: 88-4=84, Resulting Numbers: [34, 84] Generated Node #0,4,3: 72:[34, 84] Operation: 88-4=84 Exploring Operation: 34+4=38, Resulting Numbers: [88, 38] Generated Node #0,4,4: 72:[88, 38] Operation: 34+4=38 Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 72:[34, 22], Operations: ['99-95=4', '88/4=22'] Exploring Operation: 34-22=12, Resulting Numbers: [12] 12,72 unequal: No Solution Exploring Operation: 34*22=748, Resulting Numbers: [748] 748,72 unequal: No Solution Exploring Operation: 34+22=56, Resulting Numbers: [56] 56,72 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 72:[34, 84], Operations: ['99-95=4', '88-4=84'] Exploring Operation: 34+84=118, Resulting Numbers: [118] 118,72 unequal: No Solution Exploring Operation: 84-34=50, Resulting Numbers: [50] 50,72 unequal: No Solution Exploring Operation: 34*84=2856, Resulting Numbers: [2856] 2856,72 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 72:[4, 54], Operations: ['99-95=4', '88-34=54'] Exploring Operation: 4+54=58, Resulting Numbers: [58] 58,72 unequal: No Solution Exploring Operation: 4*54=216, Resulting Numbers: [216] 216,72 unequal: No Solution Exploring Operation: 54-4=50, Resulting Numbers: [50] 50,72 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 72:[88, 38], Operations: ['99-95=4', '34+4=38'] Exploring Operation: 88*38=3344, Resulting Numbers: [3344] 3344,72 unequal: No Solution Exploring Operation: 88-38=50, Resulting Numbers: [50] 50,72 unequal: No Solution Exploring Operation: 88+38=126, Resulting Numbers: [126] 126,72 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 72:[88, 30], Operations: ['99-95=4', '34-4=30'] Exploring Operation: 88+30=118, Resulting Numbers: [118] 118,72 unequal: No Solution Exploring Operation: 88*30=2640, Resulting Numbers: [2640] 2640,72 unequal: No Solution Exploring Operation: 88-30=58, Resulting Numbers: [58] 58,72 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: 72:[34, 95, 11], Operations: ['99-88=11'] Exploring Operation: 34-11=23, Resulting Numbers: [95, 23] Generated Node #0,1,0: 72:[95, 23] Operation: 34-11=23 Exploring Operation: 34+11=45, Resulting Numbers: [95, 45] Generated Node #0,1,1: 72:[95, 45] Operation: 34+11=45 Exploring Operation: 95+11=106, Resulting Numbers: [34, 106] Generated Node #0,1,2: 72:[34, 106] Operation: 95+11=106 Exploring Operation: 95-11=84, Resulting Numbers: [34, 84] Generated Node #0,1,3: 72:[34, 84] Operation: 95-11=84 Exploring Operation: 95-34=61, Resulting Numbers: [11, 61] Generated Node #0,1,4: 72:[11, 61] Operation: 95-34=61 Moving to Node #0,1,4 Current State: 72:[11, 61], Operations: ['99-88=11', '95-34=61'] Exploring Operation: 11*61=671, Resulting Numbers: [671] 671,72 unequal: No Solution Exploring Operation: 11+61=72, Resulting Numbers: [72] 72,72 equal: Goal Reached Moving to Node #0 Current State: 72:[34, 88, 95, 99], Operations: [] Exploring Operation: 99-88=11, Resulting Numbers: [34, 95, 11] Generated Node #0,1: 72:[34, 95, 11] Operation: 99-88=11 Moving to Node #0,1 Current State: 72:[34, 95, 11], Operations: ['99-88=11'] Exploring Operation: 95-34=61, Resulting Numbers: [11, 61] Generated Node #0,1,4: 72:[11, 61] Operation: 95-34=61 Moving to Node #0,1,4 Current State: 72:[11, 61], Operations: ['99-88=11', '95-34=61'] Exploring Operation: 11+61=72, Resulting Numbers: [72] 72,72 equal: Goal Reached Exit Sub Search at level 1
0.96875
hs_5
mult_heuristic
[ 66, 58, 1, 20 ]
13
[ "66-58=8", "1+20=21", "21-8=13" ]
Current State: 13:[66, 58, 1, 20], Operations: [] Exploring Operation: 66-58=8, Resulting Numbers: [1, 20, 8] Generated Node #2: [1, 20, 8] from Operation: 66-58=8 Current State: 13:[1, 20, 8], Operations: ['66-58=8'] Exploring Operation: 1+20=21, Resulting Numbers: [8, 21] Generated Node #3: [8, 21] from Operation: 1+20=21 Current State: 13:[8, 21], Operations: ['66-58=8', '1+20=21'] Exploring Operation: 21-8=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
4
Current State: 13:[66, 58, 1, 20], Operations: [] Exploring Operation: 66-58=8, Resulting Numbers: [1, 20, 8] Generated Node #0,0: 13:[1, 20, 8] Operation: 66-58=8 Start Sub Search at level 1: Moving to Node #0,0 Current State: 13:[1, 20, 8], Operations: ['66-58=8'] Exploring Operation: 20-1=19, Resulting Numbers: [8, 19] Generated Node #0,0,0: 13:[8, 19] Operation: 20-1=19 Moving to Node #0,0,0 Current State: 13:[8, 19], Operations: ['66-58=8', '20-1=19'] Exploring Operation: 19-8=11, Resulting Numbers: [11] 11,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 41, 60, 24, 64 ]
68
[ "41-24=17", "64-60=4", "17*4=68" ]
Current State: 68:[41, 60, 24, 64], Operations: [] Exploring Operation: 41-24=17, Resulting Numbers: [60, 64, 17] Generated Node #2: [60, 64, 17] from Operation: 41-24=17 Current State: 68:[60, 64, 17], Operations: ['41-24=17'] Exploring Operation: 64-60=4, Resulting Numbers: [17, 4] Generated Node #3: [17, 4] from Operation: 64-60=4 Current State: 68:[17, 4], Operations: ['41-24=17', '64-60=4'] Exploring Operation: 17*4=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
4
Current State: 68:[41, 60, 24, 64], Operations: [] Exploring Operation: 41-24=17, Resulting Numbers: [60, 64, 17] Generated Node #0,0: 68:[60, 64, 17] Operation: 41-24=17 Moving to Node #0,0 Current State: 68:[60, 64, 17], Operations: ['41-24=17'] Exploring Operation: 64-60=4, Resulting Numbers: [17, 4] Generated Node #0,0,0: 68:[17, 4] Operation: 64-60=4 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 68:[17, 4], Operations: ['41-24=17', '64-60=4'] Exploring Operation: 17*4=68, Resulting Numbers: [68] 68,68 equal: Goal Reached Moving to Node #0 Current State: 68:[41, 60, 24, 64], Operations: [] Exploring Operation: 41-24=17, Resulting Numbers: [60, 64, 17] Generated Node #0,0: 68:[60, 64, 17] Operation: 41-24=17 Moving to Node #0,0 Current State: 68:[60, 64, 17], Operations: ['41-24=17'] Exploring Operation: 64-60=4, Resulting Numbers: [17, 4] Generated Node #0,0,0: 68:[17, 4] Operation: 64-60=4 Moving to Node #0,0,0 Current State: 68:[17, 4], Operations: ['41-24=17', '64-60=4'] Exploring Operation: 17*4=68, Resulting Numbers: [68] 68,68 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 84, 5, 95, 12 ]
77
[ "95-84=11", "12-5=7", "11*7=77" ]
Current State: 77:[84, 5, 95, 12], Operations: [] Exploring Operation: 95-84=11, Resulting Numbers: [5, 12, 11] Generated Node #2: [5, 12, 11] from Operation: 95-84=11 Current State: 77:[5, 12, 11], Operations: ['95-84=11'] Exploring Operation: 12-5=7, Resulting Numbers: [11, 7] Generated Node #3: [11, 7] from Operation: 12-5=7 Current State: 77:[11, 7], Operations: ['95-84=11', '12-5=7'] Exploring Operation: 11*7=77, Resulting Numbers: [77] 77,77 equal: Goal Reached
4
Current State: 77:[84, 5, 95, 12], Operations: [] Exploring Operation: 95-84=11, Resulting Numbers: [5, 12, 11] Generated Node #0,0: 77:[5, 12, 11] Operation: 95-84=11 Exploring Operation: 95/5=19, Resulting Numbers: [84, 12, 19] Generated Node #0,1: 77:[84, 12, 19] Operation: 95/5=19 Exploring Operation: 95-12=83, Resulting Numbers: [84, 5, 83] Generated Node #0,2: 77:[84, 5, 83] Operation: 95-12=83 Start Sub Search at level 1: Moving to Node #0,0 Current State: 77:[5, 12, 11], Operations: ['95-84=11'] Exploring Operation: 11-5=6, Resulting Numbers: [12, 6] Generated Node #0,0,0: 77:[12, 6] Operation: 11-5=6 Exploring Operation: 5+12=17, Resulting Numbers: [11, 17] Generated Node #0,0,1: 77:[11, 17] Operation: 5+12=17 Exploring Operation: 12-5=7, Resulting Numbers: [11, 7] Generated Node #0,0,2: 77:[11, 7] Operation: 12-5=7 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 77:[11, 7], Operations: ['95-84=11', '12-5=7'] Exploring Operation: 11-7=4, Resulting Numbers: [4] 4,77 unequal: No Solution Exploring Operation: 11+7=18, Resulting Numbers: [18] 18,77 unequal: No Solution Exploring Operation: 11*7=77, Resulting Numbers: [77] 77,77 equal: Goal Reached Moving to Node #0 Current State: 77:[84, 5, 95, 12], Operations: [] Exploring Operation: 95-84=11, Resulting Numbers: [5, 12, 11] Generated Node #0,0: 77:[5, 12, 11] Operation: 95-84=11 Moving to Node #0,0 Current State: 77:[5, 12, 11], Operations: ['95-84=11'] Exploring Operation: 12-5=7, Resulting Numbers: [11, 7] Generated Node #0,0,2: 77:[11, 7] Operation: 12-5=7 Moving to Node #0,0,2 Current State: 77:[11, 7], Operations: ['95-84=11', '12-5=7'] Exploring Operation: 11*7=77, Resulting Numbers: [77] 77,77 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.988715
hs_3
mult_heuristic
[ 4, 33, 39, 38 ]
20
[ "33+39=72", "72/4=18", "38-18=20" ]
Current State: 20:[4, 33, 39, 38], Operations: [] Exploring Operation: 33+39=72, Resulting Numbers: [4, 38, 72] Generated Node #2: [4, 38, 72] from Operation: 33+39=72 Current State: 20:[4, 38, 72], Operations: ['33+39=72'] Exploring Operation: 72/4=18, Resulting Numbers: [38, 18] Generated Node #3: [38, 18] from Operation: 72/4=18 Current State: 20:[38, 18], Operations: ['33+39=72', '72/4=18'] Exploring Operation: 38-18=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[4, 33, 39, 38], Operations: [] Exploring Operation: 39-38=1, Resulting Numbers: [4, 33, 1] Generated Node #0,0: 20:[4, 33, 1] Operation: 39-38=1 Exploring Operation: 38-33=5, Resulting Numbers: [4, 39, 5] Generated Node #0,1: 20:[4, 39, 5] Operation: 38-33=5 Exploring Operation: 39-33=6, Resulting Numbers: [4, 38, 6] Generated Node #0,2: 20:[4, 38, 6] Operation: 39-33=6 Exploring Operation: 33-4=29, Resulting Numbers: [39, 38, 29] Generated Node #0,3: 20:[39, 38, 29] Operation: 33-4=29 Moving to Node #0,0 Current State: 20:[4, 33, 1], Operations: ['39-38=1'] Exploring Operation: 4*1=4, Resulting Numbers: [33, 4] Generated Node #0,0,0: 20:[33, 4] Operation: 4*1=4 Exploring Operation: 4+1=5, Resulting Numbers: [33, 5] Generated Node #0,0,1: 20:[33, 5] Operation: 4+1=5 Exploring Operation: 33-1=32, Resulting Numbers: [4, 32] Generated Node #0,0,2: 20:[4, 32] Operation: 33-1=32 Exploring Operation: 33-4=29, Resulting Numbers: [1, 29] Generated Node #0,0,3: 20:[1, 29] Operation: 33-4=29 Moving to Node #0,2 Current State: 20:[4, 38, 6], Operations: ['39-33=6'] Exploring Operation: 6-4=2, Resulting Numbers: [38, 2] Generated Node #0,2,0: 20:[38, 2] Operation: 6-4=2 Exploring Operation: 38-6=32, Resulting Numbers: [4, 32] Generated Node #0,2,1: 20:[4, 32] Operation: 38-6=32 Exploring Operation: 4+6=10, Resulting Numbers: [38, 10] Generated Node #0,2,2: 20:[38, 10] Operation: 4+6=10 Exploring Operation: 38-4=34, Resulting Numbers: [6, 34] Generated Node #0,2,3: 20:[6, 34] Operation: 38-4=34 Moving to Node #0,1 Current State: 20:[4, 39, 5], Operations: ['38-33=5'] Exploring Operation: 4+5=9, Resulting Numbers: [39, 9] Generated Node #0,1,0: 20:[39, 9] Operation: 4+5=9 Exploring Operation: 39-5=34, Resulting Numbers: [4, 34] Generated Node #0,1,1: 20:[4, 34] Operation: 39-5=34 Exploring Operation: 39-4=35, Resulting Numbers: [5, 35] Generated Node #0,1,2: 20:[5, 35] Operation: 39-4=35 Exploring Operation: 4*5=20, Resulting Numbers: [39, 20] Generated Node #0,1,3: 20:[39, 20] Operation: 4*5=20 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 20:[4, 34], Operations: ['38-33=5', '39-5=34'] Exploring Operation: 4*34=136, Resulting Numbers: [136] 136,20 unequal: No Solution Exploring Operation: 34-4=30, Resulting Numbers: [30] 30,20 unequal: No Solution Exploring Operation: 4+34=38, Resulting Numbers: [38] 38,20 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:[5, 35], Operations: ['38-33=5', '39-4=35'] Exploring Operation: 5*35=175, Resulting Numbers: [175] 175,20 unequal: No Solution Exploring Operation: 35/5=7, Resulting Numbers: [7] 7,20 unequal: No Solution Exploring Operation: 35-5=30, Resulting Numbers: [30] 30,20 unequal: No Solution Exploring Operation: 5+35=40, Resulting Numbers: [40] 40,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 20:[39, 20], Operations: ['38-33=5', '4*5=20'] Exploring Operation: 39-20=19, Resulting Numbers: [19] 19,20 unequal: No Solution Exploring Operation: 39+20=59, Resulting Numbers: [59] 59,20 unequal: No Solution Exploring Operation: 39*20=780, Resulting Numbers: [780] 780,20 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 #0,1,0 Current State: 20:[39, 9], Operations: ['38-33=5', '4+5=9'] Exploring Operation: 39*9=351, Resulting Numbers: [351] 351,20 unequal: No Solution Exploring Operation: 39+9=48, Resulting Numbers: [48] 48,20 unequal: No Solution Exploring Operation: 39-9=30, Resulting Numbers: [30] 30,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3 Current State: 20:[39, 38, 29], Operations: ['33-4=29'] Exploring Operation: 39+38=77, Resulting Numbers: [29, 77] Generated Node #0,3,0: 20:[29, 77] Operation: 39+38=77 Exploring Operation: 38-29=9, Resulting Numbers: [39, 9] Generated Node #0,3,1: 20:[39, 9] Operation: 38-29=9 Exploring Operation: 39-38=1, Resulting Numbers: [29, 1] Generated Node #0,3,2: 20:[29, 1] Operation: 39-38=1 Exploring Operation: 39-29=10, Resulting Numbers: [38, 10] Generated Node #0,3,3: 20:[38, 10] Operation: 39-29=10 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 20:[29, 1], Operations: ['33-4=29', '39-38=1'] Exploring Operation: 29-1=28, Resulting Numbers: [28] 28,20 unequal: No Solution Exploring Operation: 29*1=29, Resulting Numbers: [29] 29,20 unequal: No Solution Exploring Operation: 29+1=30, Resulting Numbers: [30] 30,20 unequal: No Solution Exploring Operation: 29/1=29, Resulting Numbers: [29] 29,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 20:[38, 10], Operations: ['33-4=29', '39-29=10'] Exploring Operation: 38+10=48, Resulting Numbers: [48] 48,20 unequal: No Solution Exploring Operation: 38-10=28, Resulting Numbers: [28] 28,20 unequal: No Solution Exploring Operation: 38*10=380, Resulting Numbers: [380] 380,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 20:[39, 9], Operations: ['33-4=29', '38-29=9'] Exploring Operation: 39-9=30, Resulting Numbers: [30] 30,20 unequal: No Solution Exploring Operation: 39*9=351, Resulting Numbers: [351] 351,20 unequal: No Solution Exploring Operation: 39+9=48, Resulting Numbers: [48] 48,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 20:[29, 77], Operations: ['33-4=29', '39+38=77'] Exploring Operation: 77-29=48, Resulting Numbers: [48] 48,20 unequal: No Solution Exploring Operation: 29+77=106, Resulting Numbers: [106] 106,20 unequal: No Solution Exploring Operation: 29*77=2233, Resulting Numbers: [2233] 2233,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,3 Current State: 20:[1, 29], Operations: ['39-38=1', '33-4=29'] Exploring Operation: 29-1=28, Resulting Numbers: [28] 28,20 unequal: No Solution Exploring Operation: 29/1=29, Resulting Numbers: [29] 29,20 unequal: No Solution Exploring Operation: 1*29=29, Resulting Numbers: [29] 29,20 unequal: No Solution Exploring Operation: 1+29=30, Resulting Numbers: [30] 30,20 unequal: No Solution Moving to Node #0,0,2 Current State: 20:[4, 32], Operations: ['39-38=1', '33-1=32'] Exploring Operation: 4+32=36, Resulting Numbers: [36] 36,20 unequal: No Solution Exploring Operation: 4*32=128, Resulting Numbers: [128] 128,20 unequal: No Solution Exploring Operation: 32/4=8, Resulting Numbers: [8] 8,20 unequal: No Solution Exploring Operation: 32-4=28, Resulting Numbers: [28] 28,20 unequal: No Solution Moving to Node #0,2,1 Current State: 20:[4, 32], Operations: ['39-33=6', '38-6=32'] Exploring Operation: 32-4=28, Resulting Numbers: [28] 28,20 unequal: No Solution Exploring Operation: 4+32=36, Resulting Numbers: [36] 36,20 unequal: No Solution Exploring Operation: 32/4=8, Resulting Numbers: [8] 8,20 unequal: No Solution Exploring Operation: 4*32=128, Resulting Numbers: [128] 128,20 unequal: No Solution Moving to Node #0,0,0 Current State: 20:[33, 4], Operations: ['39-38=1', '4*1=4'] Exploring Operation: 33-4=29, Resulting Numbers: [29] 29,20 unequal: No Solution Exploring Operation: 33*4=132, Resulting Numbers: [132] 132,20 unequal: No Solution Exploring Operation: 33+4=37, Resulting Numbers: [37] 37,20 unequal: No Solution Moving to Node #0,0,1 Current State: 20:[33, 5], Operations: ['39-38=1', '4+1=5'] Exploring Operation: 33+5=38, Resulting Numbers: [38] 38,20 unequal: No Solution Exploring Operation: 33*5=165, Resulting Numbers: [165] 165,20 unequal: No Solution Exploring Operation: 33-5=28, Resulting Numbers: [28] 28,20 unequal: No Solution Moving to Node #0,2,3 Current State: 20:[6, 34], Operations: ['39-33=6', '38-4=34'] Exploring Operation: 6+34=40, Resulting Numbers: [40] 40,20 unequal: No Solution Exploring Operation: 34-6=28, Resulting Numbers: [28] 28,20 unequal: No Solution Exploring Operation: 6*34=204, Resulting Numbers: [204] 204,20 unequal: No Solution Moving to Node #0,2,0 Current State: 20:[38, 2], Operations: ['39-33=6', '6-4=2'] Exploring Operation: 38/2=19, Resulting Numbers: [19] 19,20 unequal: No Solution Exploring Operation: 38-2=36, Resulting Numbers: [36] 36,20 unequal: No Solution Exploring Operation: 38+2=40, Resulting Numbers: [40] 40,20 unequal: No Solution Exploring Operation: 38*2=76, Resulting Numbers: [76] 76,20 unequal: No Solution Moving to Node #0,2,2 Current State: 20:[38, 10], Operations: ['39-33=6', '4+6=10'] Exploring Operation: 38*10=380, Resulting Numbers: [380] 380,20 unequal: No Solution Exploring Operation: 38-10=28, Resulting Numbers: [28] 28,20 unequal: No Solution Exploring Operation: 38+10=48, Resulting Numbers: [48] 48,20 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 69, 41, 51, 55 ]
24
[ "69*41=2829", "51*55=2805", "2829-2805=24" ]
Current State: 24:[69, 41, 51, 55], Operations: [] Exploring Operation: 69*41=2829, Resulting Numbers: [51, 55, 2829] Generated Node #2: [51, 55, 2829] from Operation: 69*41=2829 Current State: 24:[51, 55, 2829], Operations: ['69*41=2829'] Exploring Operation: 51*55=2805, Resulting Numbers: [2829, 2805] Generated Node #3: [2829, 2805] from Operation: 51*55=2805 Current State: 24:[2829, 2805], Operations: ['69*41=2829', '51*55=2805'] Exploring Operation: 2829-2805=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
4
Current State: 24:[69, 41, 51, 55], Operations: [] Exploring Operation: 69-55=14, Resulting Numbers: [41, 51, 14] Generated Node #0,0: 24:[41, 51, 14] Operation: 69-55=14 Exploring Operation: 69-51=18, Resulting Numbers: [41, 55, 18] Generated Node #0,1: 24:[41, 55, 18] Operation: 69-51=18 Moving to Node #0,0 Current State: 24:[41, 51, 14], Operations: ['69-55=14'] Exploring Operation: 51-41=10, Resulting Numbers: [14, 10] Generated Node #0,0,0: 24:[14, 10] Operation: 51-41=10 Exploring Operation: 41-14=27, Resulting Numbers: [51, 27] Generated Node #0,0,1: 24:[51, 27] Operation: 41-14=27 Moving to Node #0,1 Current State: 24:[41, 55, 18], Operations: ['69-51=18'] Exploring Operation: 55-18=37, Resulting Numbers: [41, 37] Generated Node #0,1,0: 24:[41, 37] Operation: 55-18=37 Exploring Operation: 55-41=14, Resulting Numbers: [18, 14] Generated Node #0,1,1: 24:[18, 14] Operation: 55-41=14 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 24:[18, 14], Operations: ['69-51=18', '55-41=14'] Exploring Operation: 18+14=32, Resulting Numbers: [32] 32,24 unequal: No Solution Exploring Operation: 18-14=4, Resulting Numbers: [4] 4,24 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 24:[41, 37], Operations: ['69-51=18', '55-18=37'] Exploring Operation: 41-37=4, Resulting Numbers: [4] 4,24 unequal: No Solution Exploring Operation: 41+37=78, Resulting Numbers: [78] 78,24 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: 24:[14, 10], Operations: ['69-55=14', '51-41=10'] Exploring Operation: 14-10=4, Resulting Numbers: [4] 4,24 unequal: No Solution Exploring Operation: 14+10=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Moving to Node #0 Current State: 24:[69, 41, 51, 55], Operations: [] Exploring Operation: 69-55=14, Resulting Numbers: [41, 51, 14] Generated Node #0,0: 24:[41, 51, 14] Operation: 69-55=14 Moving to Node #0,0 Current State: 24:[41, 51, 14], Operations: ['69-55=14'] Exploring Operation: 51-41=10, Resulting Numbers: [14, 10] Generated Node #0,0,0: 24:[14, 10] Operation: 51-41=10 Moving to Node #0,0,0 Current State: 24:[14, 10], Operations: ['69-55=14', '51-41=10'] Exploring Operation: 14+10=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
0.986111
hs_2
mult_heuristic
[ 50, 48, 75, 46 ]
100
[ "48-46=2", "50/2=25", "75+25=100" ]
Current State: 100:[50, 48, 75, 46], Operations: [] Exploring Operation: 48-46=2, Resulting Numbers: [50, 75, 2] Generated Node #2: [50, 75, 2] from Operation: 48-46=2 Current State: 100:[50, 75, 2], Operations: ['48-46=2'] Exploring Operation: 50/2=25, Resulting Numbers: [75, 25] Generated Node #3: [75, 25] from Operation: 50/2=25 Current State: 100:[75, 25], Operations: ['48-46=2', '50/2=25'] Exploring Operation: 75+25=100, Resulting Numbers: [100] 100,100 equal: Goal Reached
4
Current State: 100:[50, 48, 75, 46], Operations: [] Exploring Operation: 75-50=25, Resulting Numbers: [48, 46, 25] Generated Node #0,0: 100:[48, 46, 25] Operation: 75-50=25 Start Sub Search at level 1: Moving to Node #0,0 Current State: 100:[48, 46, 25], Operations: ['75-50=25'] Exploring Operation: 48-46=2, Resulting Numbers: [25, 2] Generated Node #0,0,0: 100:[25, 2] Operation: 48-46=2 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 100:[25, 2], Operations: ['75-50=25', '48-46=2'] Exploring Operation: 25*2=50, Resulting Numbers: [50] 50,100 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 No solution found.
0
hs_1
sum_heuristic
[ 19, 4, 11, 31 ]
27
[ "19-4=15", "11+31=42", "42-15=27" ]
Current State: 27:[19, 4, 11, 31], Operations: [] Exploring Operation: 19-4=15, Resulting Numbers: [11, 31, 15] Generated Node #2: [11, 31, 15] from Operation: 19-4=15 Current State: 27:[11, 31, 15], Operations: ['19-4=15'] Exploring Operation: 11+31=42, Resulting Numbers: [15, 42] Generated Node #3: [15, 42] from Operation: 11+31=42 Current State: 27:[15, 42], Operations: ['19-4=15', '11+31=42'] Exploring Operation: 42-15=27, Resulting Numbers: [27] 27,27 equal: Goal Reached
4
Current State: 27:[19, 4, 11, 31], Operations: [] Exploring Operation: 19-11=8, Resulting Numbers: [4, 31, 8] Generated Node #0,0: 27:[4, 31, 8] Operation: 19-11=8 Exploring Operation: 31-19=12, Resulting Numbers: [4, 11, 12] Generated Node #0,1: 27:[4, 11, 12] Operation: 31-19=12 Start Sub Search at level 1: Moving to Node #0,0 Current State: 27:[4, 31, 8], Operations: ['19-11=8'] Exploring Operation: 8-4=4, Resulting Numbers: [31, 4] Generated Node #0,0,0: 27:[31, 4] Operation: 8-4=4 Exploring Operation: 31-4=27, Resulting Numbers: [8, 27] Generated Node #0,0,1: 27:[8, 27] Operation: 31-4=27 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 27:[8, 27], Operations: ['19-11=8', '31-4=27'] Exploring Operation: 8+27=35, Resulting Numbers: [35] 35,27 unequal: No Solution Exploring Operation: 27-8=19, Resulting Numbers: [19] 19,27 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 27:[31, 4], Operations: ['19-11=8', '8-4=4'] Exploring Operation: 31-4=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Moving to Node #0 Current State: 27:[19, 4, 11, 31], Operations: [] Exploring Operation: 19-11=8, Resulting Numbers: [4, 31, 8] Generated Node #0,0: 27:[4, 31, 8] Operation: 19-11=8 Moving to Node #0,0 Current State: 27:[4, 31, 8], Operations: ['19-11=8'] Exploring Operation: 8-4=4, Resulting Numbers: [31, 4] Generated Node #0,0,0: 27:[31, 4] Operation: 8-4=4 Moving to Node #0,0,0 Current State: 27:[31, 4], Operations: ['19-11=8', '8-4=4'] Exploring Operation: 31-4=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.990451
hs_2
mult_heuristic
[ 4, 52, 77, 6 ]
85
[ "52-4=48", "48/6=8", "77+8=85" ]
Current State: 85:[4, 52, 77, 6], Operations: [] Exploring Operation: 52-4=48, Resulting Numbers: [77, 6, 48] Generated Node #2: [77, 6, 48] from Operation: 52-4=48 Current State: 85:[77, 6, 48], Operations: ['52-4=48'] Exploring Operation: 48/6=8, Resulting Numbers: [77, 8] Generated Node #3: [77, 8] from Operation: 48/6=8 Current State: 85:[77, 8], Operations: ['52-4=48', '48/6=8'] Exploring Operation: 77+8=85, Resulting Numbers: [85] 85,85 equal: Goal Reached
4
Current State: 85:[4, 52, 77, 6], Operations: [] Exploring Operation: 52+6=58, Resulting Numbers: [4, 77, 58] Generated Node #0,0: 85:[4, 77, 58] Operation: 52+6=58 Exploring Operation: 77+6=83, Resulting Numbers: [4, 52, 83] Generated Node #0,1: 85:[4, 52, 83] Operation: 77+6=83 Exploring Operation: 52/4=13, Resulting Numbers: [77, 6, 13] Generated Node #0,2: 85:[77, 6, 13] Operation: 52/4=13 Exploring Operation: 77-52=25, Resulting Numbers: [4, 6, 25] Generated Node #0,3: 85:[4, 6, 25] Operation: 77-52=25 Moving to Node #0,3 Current State: 85:[4, 6, 25], Operations: ['77-52=25'] Exploring Operation: 6-4=2, Resulting Numbers: [25, 2] Generated Node #0,3,0: 85:[25, 2] Operation: 6-4=2 Exploring Operation: 4+6=10, Resulting Numbers: [25, 10] Generated Node #0,3,1: 85:[25, 10] Operation: 4+6=10 Exploring Operation: 25-4=21, Resulting Numbers: [6, 21] Generated Node #0,3,2: 85:[6, 21] Operation: 25-4=21 Exploring Operation: 25-6=19, Resulting Numbers: [4, 19] Generated Node #0,3,3: 85:[4, 19] Operation: 25-6=19 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 85:[4, 19], Operations: ['77-52=25', '25-6=19'] Exploring Operation: 4*19=76, Resulting Numbers: [76] 76,85 unequal: No Solution Exploring Operation: 19-4=15, Resulting Numbers: [15] 15,85 unequal: No Solution Exploring Operation: 4+19=23, Resulting Numbers: [23] 23,85 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 85:[6, 21], Operations: ['77-52=25', '25-4=21'] Exploring Operation: 6*21=126, Resulting Numbers: [126] 126,85 unequal: No Solution Exploring Operation: 21-6=15, Resulting Numbers: [15] 15,85 unequal: No Solution Exploring Operation: 6+21=27, Resulting Numbers: [27] 27,85 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 85:[25, 2], Operations: ['77-52=25', '6-4=2'] Exploring Operation: 25*2=50, Resulting Numbers: [50] 50,85 unequal: No Solution Exploring Operation: 25-2=23, Resulting Numbers: [23] 23,85 unequal: No Solution Exploring Operation: 25+2=27, Resulting Numbers: [27] 27,85 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 85:[25, 10], Operations: ['77-52=25', '4+6=10'] Exploring Operation: 25*10=250, Resulting Numbers: [250] 250,85 unequal: No Solution Exploring Operation: 25+10=35, Resulting Numbers: [35] 35,85 unequal: No Solution Exploring Operation: 25-10=15, Resulting Numbers: [15] 15,85 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 85:[77, 6, 13], Operations: ['52/4=13'] Exploring Operation: 13-6=7, Resulting Numbers: [77, 7] Generated Node #0,2,0: 85:[77, 7] Operation: 13-6=7 Exploring Operation: 6+13=19, Resulting Numbers: [77, 19] Generated Node #0,2,1: 85:[77, 19] Operation: 6+13=19 Exploring Operation: 77+13=90, Resulting Numbers: [6, 90] Generated Node #0,2,2: 85:[6, 90] Operation: 77+13=90 Exploring Operation: 77+6=83, Resulting Numbers: [13, 83] Generated Node #0,2,3: 85:[13, 83] Operation: 77+6=83 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 85:[6, 90], Operations: ['52/4=13', '77+13=90'] Exploring Operation: 90-6=84, Resulting Numbers: [84] 84,85 unequal: No Solution Exploring Operation: 6*90=540, Resulting Numbers: [540] 540,85 unequal: No Solution Exploring Operation: 90/6=15, Resulting Numbers: [15] 15,85 unequal: No Solution Exploring Operation: 6+90=96, Resulting Numbers: [96] 96,85 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:[13, 83], Operations: ['52/4=13', '77+6=83'] Exploring Operation: 83-13=70, Resulting Numbers: [70] 70,85 unequal: No Solution Exploring Operation: 13+83=96, Resulting Numbers: [96] 96,85 unequal: No Solution Exploring Operation: 13*83=1079, Resulting Numbers: [1079] 1079,85 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:[77, 7], Operations: ['52/4=13', '13-6=7'] Exploring Operation: 77-7=70, Resulting Numbers: [70] 70,85 unequal: No Solution Exploring Operation: 77*7=539, Resulting Numbers: [539] 539,85 unequal: No Solution Exploring Operation: 77/7=11, Resulting Numbers: [11] 11,85 unequal: No Solution Exploring Operation: 77+7=84, Resulting Numbers: [84] 84,85 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 #0,2,1 Current State: 85:[77, 19], Operations: ['52/4=13', '6+13=19'] Exploring Operation: 77*19=1463, Resulting Numbers: [1463] 1463,85 unequal: No Solution Exploring Operation: 77-19=58, Resulting Numbers: [58] 58,85 unequal: No Solution Exploring Operation: 77+19=96, Resulting Numbers: [96] 96,85 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:[4, 52, 83], Operations: ['77+6=83'] Exploring Operation: 83-52=31, Resulting Numbers: [4, 31] Generated Node #0,1,0: 85:[4, 31] Operation: 83-52=31 Exploring Operation: 52-4=48, Resulting Numbers: [83, 48] Generated Node #0,1,1: 85:[83, 48] Operation: 52-4=48 Exploring Operation: 4+52=56, Resulting Numbers: [83, 56] Generated Node #0,1,2: 85:[83, 56] Operation: 4+52=56 Exploring Operation: 52/4=13, Resulting Numbers: [83, 13] Generated Node #0,1,3: 85:[83, 13] Operation: 52/4=13 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 85:[83, 13], Operations: ['77+6=83', '52/4=13'] Exploring Operation: 83-13=70, Resulting Numbers: [70] 70,85 unequal: No Solution Exploring Operation: 83*13=1079, Resulting Numbers: [1079] 1079,85 unequal: No Solution Exploring Operation: 83+13=96, Resulting Numbers: [96] 96,85 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 85:[4, 31], Operations: ['77+6=83', '83-52=31'] Exploring Operation: 4+31=35, Resulting Numbers: [35] 35,85 unequal: No Solution Exploring Operation: 4*31=124, Resulting Numbers: [124] 124,85 unequal: No Solution Exploring Operation: 31-4=27, Resulting Numbers: [27] 27,85 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 85:[83, 56], Operations: ['77+6=83', '4+52=56'] Exploring Operation: 83+56=139, Resulting Numbers: [139] 139,85 unequal: No Solution Exploring Operation: 83*56=4648, Resulting Numbers: [4648] 4648,85 unequal: No Solution Exploring Operation: 83-56=27, Resulting Numbers: [27] 27,85 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 85:[83, 48], Operations: ['77+6=83', '52-4=48'] Exploring Operation: 83-48=35, Resulting Numbers: [35] 35,85 unequal: No Solution Exploring Operation: 83+48=131, Resulting Numbers: [131] 131,85 unequal: No Solution Exploring Operation: 83*48=3984, Resulting Numbers: [3984] 3984,85 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: 85:[4, 77, 58], Operations: ['52+6=58'] Exploring Operation: 4+58=62, Resulting Numbers: [77, 62] Generated Node #0,0,0: 85:[77, 62] Operation: 4+58=62 Exploring Operation: 77-4=73, Resulting Numbers: [58, 73] Generated Node #0,0,1: 85:[58, 73] Operation: 77-4=73 Exploring Operation: 77-58=19, Resulting Numbers: [4, 19] Generated Node #0,0,2: 85:[4, 19] Operation: 77-58=19 Exploring Operation: 4+77=81, Resulting Numbers: [58, 81] Generated Node #0,0,3: 85:[58, 81] Operation: 4+77=81 Moving to Node #0,0,2 Current State: 85:[4, 19], Operations: ['52+6=58', '77-58=19'] Exploring Operation: 19-4=15, Resulting Numbers: [15] 15,85 unequal: No Solution Exploring Operation: 4*19=76, Resulting Numbers: [76] 76,85 unequal: No Solution Exploring Operation: 4+19=23, Resulting Numbers: [23] 23,85 unequal: No Solution Moving to Node #0,0,3 Current State: 85:[58, 81], Operations: ['52+6=58', '4+77=81'] Exploring Operation: 81-58=23, Resulting Numbers: [23] 23,85 unequal: No Solution Exploring Operation: 58*81=4698, Resulting Numbers: [4698] 4698,85 unequal: No Solution Exploring Operation: 58+81=139, Resulting Numbers: [139] 139,85 unequal: No Solution Moving to Node #0,0,0 Current State: 85:[77, 62], Operations: ['52+6=58', '4+58=62'] Exploring Operation: 77*62=4774, Resulting Numbers: [4774] 4774,85 unequal: No Solution Exploring Operation: 77+62=139, Resulting Numbers: [139] 139,85 unequal: No Solution Exploring Operation: 77-62=15, Resulting Numbers: [15] 15,85 unequal: No Solution Moving to Node #0,0,1 Current State: 85:[58, 73], Operations: ['52+6=58', '77-4=73'] Exploring Operation: 58+73=131, Resulting Numbers: [131] 131,85 unequal: No Solution Exploring Operation: 58*73=4234, Resulting Numbers: [4234] 4234,85 unequal: No Solution Exploring Operation: 73-58=15, Resulting Numbers: [15] 15,85 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 49, 40, 3, 41 ]
30
[ "49+41=90", "40*3=120", "120-90=30" ]
Current State: 30:[49, 40, 3, 41], Operations: [] Exploring Operation: 49+41=90, Resulting Numbers: [40, 3, 90] Generated Node #2: [40, 3, 90] from Operation: 49+41=90 Current State: 30:[40, 3, 90], Operations: ['49+41=90'] Exploring Operation: 40*3=120, Resulting Numbers: [90, 120] Generated Node #3: [90, 120] from Operation: 40*3=120 Current State: 30:[90, 120], Operations: ['49+41=90', '40*3=120'] Exploring Operation: 120-90=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
4
Current State: 30:[49, 40, 3, 41], Operations: [] Exploring Operation: 49-41=8, Resulting Numbers: [40, 3, 8] Generated Node #0,0: 30:[40, 3, 8] Operation: 49-41=8 Exploring Operation: 49-40=9, Resulting Numbers: [3, 41, 9] Generated Node #0,1: 30:[3, 41, 9] Operation: 49-40=9 Start Sub Search at level 1: Moving to Node #0,0 Current State: 30:[40, 3, 8], Operations: ['49-41=8'] Exploring Operation: 40/8=5, Resulting Numbers: [3, 5] Generated Node #0,0,0: 30:[3, 5] Operation: 40/8=5 Exploring Operation: 40-8=32, Resulting Numbers: [3, 32] Generated Node #0,0,1: 30:[3, 32] Operation: 40-8=32 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 30:[3, 5], Operations: ['49-41=8', '40/8=5'] Exploring Operation: 3*5=15, Resulting Numbers: [15] 15,30 unequal: No Solution Exploring Operation: 5-3=2, Resulting Numbers: [2] 2,30 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 30:[3, 32], Operations: ['49-41=8', '40-8=32'] Exploring Operation: 32-3=29, Resulting Numbers: [29] 29,30 unequal: No Solution Exploring Operation: 3+32=35, Resulting Numbers: [35] 35,30 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 30:[3, 41, 9], Operations: ['49-40=9'] Exploring Operation: 41-9=32, Resulting Numbers: [3, 32] Generated Node #0,1,0: 30:[3, 32] Operation: 41-9=32 Exploring Operation: 41-3=38, Resulting Numbers: [9, 38] Generated Node #0,1,1: 30:[9, 38] Operation: 41-3=38 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 30:[3, 32], Operations: ['49-40=9', '41-9=32'] Exploring Operation: 32-3=29, Resulting Numbers: [29] 29,30 unequal: No Solution Exploring Operation: 3+32=35, Resulting Numbers: [35] 35,30 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 30:[9, 38], Operations: ['49-40=9', '41-3=38'] Exploring Operation: 38-9=29, Resulting Numbers: [29] 29,30 unequal: No Solution Exploring Operation: 9+38=47, Resulting Numbers: [47] 47,30 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 73, 10, 51, 67 ]
37
[ "73+67=140", "140/10=14", "51-14=37" ]
Current State: 37:[73, 10, 51, 67], Operations: [] Exploring Operation: 73+67=140, Resulting Numbers: [10, 51, 140] Generated Node #2: [10, 51, 140] from Operation: 73+67=140 Current State: 37:[10, 51, 140], Operations: ['73+67=140'] Exploring Operation: 140/10=14, Resulting Numbers: [51, 14] Generated Node #3: [51, 14] from Operation: 140/10=14 Current State: 37:[51, 14], Operations: ['73+67=140', '140/10=14'] Exploring Operation: 51-14=37, Resulting Numbers: [37] 37,37 equal: Goal Reached
4
Current State: 37:[73, 10, 51, 67], Operations: [] Exploring Operation: 73-10=63, Resulting Numbers: [51, 67, 63] Generated Node #0,0: 37:[51, 67, 63] Operation: 73-10=63 Exploring Operation: 51-10=41, Resulting Numbers: [73, 67, 41] Generated Node #0,1: 37:[73, 67, 41] Operation: 51-10=41 Exploring Operation: 67-10=57, Resulting Numbers: [73, 51, 57] Generated Node #0,2: 37:[73, 51, 57] Operation: 67-10=57 Exploring Operation: 73-51=22, Resulting Numbers: [10, 67, 22] Generated Node #0,3: 37:[10, 67, 22] Operation: 73-51=22 Start Sub Search at level 1: Moving to Node #0,0 Current State: 37:[51, 67, 63], Operations: ['73-10=63'] Exploring Operation: 67-51=16, Resulting Numbers: [63, 16] Generated Node #0,0,0: 37:[63, 16] Operation: 67-51=16 Exploring Operation: 63-51=12, Resulting Numbers: [67, 12] Generated Node #0,0,1: 37:[67, 12] Operation: 63-51=12 Exploring Operation: 67-63=4, Resulting Numbers: [51, 4] Generated Node #0,0,2: 37:[51, 4] Operation: 67-63=4 Exploring Operation: 51+67=118, Resulting Numbers: [63, 118] Generated Node #0,0,3: 37:[63, 118] Operation: 51+67=118 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 37:[63, 16], Operations: ['73-10=63', '67-51=16'] Exploring Operation: 63-16=47, Resulting Numbers: [47] 47,37 unequal: No Solution Exploring Operation: 63+16=79, Resulting Numbers: [79] 79,37 unequal: No Solution Exploring Operation: 63*16=1008, Resulting Numbers: [1008] 1008,37 unequal: No Solution No 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: 37:[51, 4], Operations: ['73-10=63', '67-63=4'] Exploring Operation: 51*4=204, Resulting Numbers: [204] 204,37 unequal: No Solution Exploring Operation: 51+4=55, Resulting Numbers: [55] 55,37 unequal: No Solution Exploring Operation: 51-4=47, Resulting Numbers: [47] 47,37 unequal: No Solution No 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: 37:[67, 12], Operations: ['73-10=63', '63-51=12'] Exploring Operation: 67*12=804, Resulting Numbers: [804] 804,37 unequal: No Solution Exploring Operation: 67-12=55, Resulting Numbers: [55] 55,37 unequal: No Solution Exploring Operation: 67+12=79, Resulting Numbers: [79] 79,37 unequal: No Solution No 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: 37:[63, 118], Operations: ['73-10=63', '51+67=118'] Exploring Operation: 63+118=181, Resulting Numbers: [181] 181,37 unequal: No Solution Exploring Operation: 118-63=55, Resulting Numbers: [55] 55,37 unequal: No Solution Exploring Operation: 63*118=7434, Resulting Numbers: [7434] 7434,37 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: 37:[73, 67, 41], Operations: ['51-10=41'] Exploring Operation: 73-41=32, Resulting Numbers: [67, 32] Generated Node #0,1,0: 37:[67, 32] Operation: 73-41=32 Exploring Operation: 73+67=140, Resulting Numbers: [41, 140] Generated Node #0,1,1: 37:[41, 140] Operation: 73+67=140 Exploring Operation: 73-67=6, Resulting Numbers: [41, 6] Generated Node #0,1,2: 37:[41, 6] Operation: 73-67=6 Exploring Operation: 67-41=26, Resulting Numbers: [73, 26] Generated Node #0,1,3: 37:[73, 26] Operation: 67-41=26 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 37:[67, 32], Operations: ['51-10=41', '73-41=32'] Exploring Operation: 67+32=99, Resulting Numbers: [99] 99,37 unequal: No Solution Exploring Operation: 67-32=35, Resulting Numbers: [35] 35,37 unequal: No Solution Exploring Operation: 67*32=2144, Resulting Numbers: [2144] 2144,37 unequal: No Solution No 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: 37:[41, 6], Operations: ['51-10=41', '73-67=6'] Exploring Operation: 41+6=47, Resulting Numbers: [47] 47,37 unequal: No Solution Exploring Operation: 41*6=246, Resulting Numbers: [246] 246,37 unequal: No Solution Exploring Operation: 41-6=35, Resulting Numbers: [35] 35,37 unequal: No Solution No 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: 37:[73, 26], Operations: ['51-10=41', '67-41=26'] Exploring Operation: 73*26=1898, Resulting Numbers: [1898] 1898,37 unequal: No Solution Exploring Operation: 73+26=99, Resulting Numbers: [99] 99,37 unequal: No Solution Exploring Operation: 73-26=47, Resulting Numbers: [47] 47,37 unequal: No Solution No 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: 37:[41, 140], Operations: ['51-10=41', '73+67=140'] Exploring Operation: 41*140=5740, Resulting Numbers: [5740] 5740,37 unequal: No Solution Exploring Operation: 140-41=99, Resulting Numbers: [99] 99,37 unequal: No Solution Exploring Operation: 41+140=181, Resulting Numbers: [181] 181,37 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: 37:[73, 51, 57], Operations: ['67-10=57'] Exploring Operation: 73-57=16, Resulting Numbers: [51, 16] Generated Node #0,2,0: 37:[51, 16] Operation: 73-57=16 Exploring Operation: 73-51=22, Resulting Numbers: [57, 22] Generated Node #0,2,1: 37:[57, 22] Operation: 73-51=22 Exploring Operation: 73+51=124, Resulting Numbers: [57, 124] Generated Node #0,2,2: 37:[57, 124] Operation: 73+51=124 Exploring Operation: 57-51=6, Resulting Numbers: [73, 6] Generated Node #0,2,3: 37:[73, 6] Operation: 57-51=6 Moving to Node #0,2,0 Current State: 37:[51, 16], Operations: ['67-10=57', '73-57=16'] Exploring Operation: 51*16=816, Resulting Numbers: [816] 816,37 unequal: No Solution Exploring Operation: 51-16=35, Resulting Numbers: [35] 35,37 unequal: No Solution Exploring Operation: 51+16=67, Resulting Numbers: [67] 67,37 unequal: No Solution Moving to Node #0,2,1 Current State: 37:[57, 22], Operations: ['67-10=57', '73-51=22'] Exploring Operation: 57+22=79, Resulting Numbers: [79] 79,37 unequal: No Solution Exploring Operation: 57-22=35, Resulting Numbers: [35] 35,37 unequal: No Solution Exploring Operation: 57*22=1254, Resulting Numbers: [1254] 1254,37 unequal: No Solution Moving to Node #0,2,3 Current State: 37:[73, 6], Operations: ['67-10=57', '57-51=6'] Exploring Operation: 73-6=67, Resulting Numbers: [67] 67,37 unequal: No Solution Exploring Operation: 73*6=438, Resulting Numbers: [438] 438,37 unequal: No Solution Exploring Operation: 73+6=79, Resulting Numbers: [79] 79,37 unequal: No Solution Moving to Node #0,2,2 Current State: 37:[57, 124], Operations: ['67-10=57', '73+51=124'] Exploring Operation: 124-57=67, Resulting Numbers: [67] 67,37 unequal: No Solution Exploring Operation: 57+124=181, Resulting Numbers: [181] 181,37 unequal: No Solution Exploring Operation: 57*124=7068, Resulting Numbers: [7068] 7068,37 unequal: No Solution No 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: 37:[10, 67, 22], Operations: ['73-51=22'] Exploring Operation: 10+22=32, Resulting Numbers: [67, 32] Generated Node #0,3,0: 37:[67, 32] Operation: 10+22=32 Exploring Operation: 67-22=45, Resulting Numbers: [10, 45] Generated Node #0,3,1: 37:[10, 45] Operation: 67-22=45 Exploring Operation: 10+67=77, Resulting Numbers: [22, 77] Generated Node #0,3,2: 37:[22, 77] Operation: 10+67=77 Exploring Operation: 67-10=57, Resulting Numbers: [22, 57] Generated Node #0,3,3: 37:[22, 57] Operation: 67-10=57 Moving to Node #0,3,0 Current State: 37:[67, 32], Operations: ['73-51=22', '10+22=32'] Exploring Operation: 67-32=35, Resulting Numbers: [35] 35,37 unequal: No Solution Exploring Operation: 67*32=2144, Resulting Numbers: [2144] 2144,37 unequal: No Solution Exploring Operation: 67+32=99, Resulting Numbers: [99] 99,37 unequal: No Solution Moving to Node #0,3,3 Current State: 37:[22, 57], Operations: ['73-51=22', '67-10=57'] Exploring Operation: 22*57=1254, Resulting Numbers: [1254] 1254,37 unequal: No Solution Exploring Operation: 22+57=79, Resulting Numbers: [79] 79,37 unequal: No Solution Exploring Operation: 57-22=35, Resulting Numbers: [35] 35,37 unequal: No Solution Moving to Node #0,3,1 Current State: 37:[10, 45], Operations: ['73-51=22', '67-22=45'] Exploring Operation: 45-10=35, Resulting Numbers: [35] 35,37 unequal: No Solution Exploring Operation: 10*45=450, Resulting Numbers: [450] 450,37 unequal: No Solution Exploring Operation: 10+45=55, Resulting Numbers: [55] 55,37 unequal: No Solution Moving to Node #0,3,2 Current State: 37:[22, 77], Operations: ['73-51=22', '10+67=77'] Exploring Operation: 77-22=55, Resulting Numbers: [55] 55,37 unequal: No Solution Exploring Operation: 22+77=99, Resulting Numbers: [99] 99,37 unequal: No Solution Exploring Operation: 22*77=1694, Resulting Numbers: [1694] 1694,37 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
[ 75, 67, 58, 12 ]
78
[ "75-67=8", "58+12=70", "8+70=78" ]
Current State: 78:[75, 67, 58, 12], Operations: [] Exploring Operation: 75-67=8, Resulting Numbers: [58, 12, 8] Generated Node #2: [58, 12, 8] from Operation: 75-67=8 Current State: 78:[58, 12, 8], Operations: ['75-67=8'] Exploring Operation: 58+12=70, Resulting Numbers: [8, 70] Generated Node #3: [8, 70] from Operation: 58+12=70 Current State: 78:[8, 70], Operations: ['75-67=8', '58+12=70'] Exploring Operation: 8+70=78, Resulting Numbers: [78] 78,78 equal: Goal Reached
4
Current State: 78:[75, 67, 58, 12], Operations: [] Exploring Operation: 67-58=9, Resulting Numbers: [75, 12, 9] Generated Node #0,0: 78:[75, 12, 9] Operation: 67-58=9 Exploring Operation: 75-58=17, Resulting Numbers: [67, 12, 17] Generated Node #0,1: 78:[67, 12, 17] Operation: 75-58=17 Exploring Operation: 58-12=46, Resulting Numbers: [75, 67, 46] Generated Node #0,2: 78:[75, 67, 46] Operation: 58-12=46 Moving to Node #0,0 Current State: 78:[75, 12, 9], Operations: ['67-58=9'] Exploring Operation: 75+9=84, Resulting Numbers: [12, 84] Generated Node #0,0,0: 78:[12, 84] Operation: 75+9=84 Exploring Operation: 12-9=3, Resulting Numbers: [75, 3] Generated Node #0,0,1: 78:[75, 3] Operation: 12-9=3 Exploring Operation: 12+9=21, Resulting Numbers: [75, 21] Generated Node #0,0,2: 78:[75, 21] Operation: 12+9=21 Moving to Node #0,1 Current State: 78:[67, 12, 17], Operations: ['75-58=17'] Exploring Operation: 67+17=84, Resulting Numbers: [12, 84] Generated Node #0,1,0: 78:[12, 84] Operation: 67+17=84 Exploring Operation: 67+12=79, Resulting Numbers: [17, 79] Generated Node #0,1,1: 78:[17, 79] Operation: 67+12=79 Exploring Operation: 67-17=50, Resulting Numbers: [12, 50] Generated Node #0,1,2: 78:[12, 50] Operation: 67-17=50 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 78:[17, 79], Operations: ['75-58=17', '67+12=79'] Exploring Operation: 17+79=96, Resulting Numbers: [96] 96,78 unequal: No Solution Exploring Operation: 17*79=1343, Resulting Numbers: [1343] 1343,78 unequal: No Solution Exploring Operation: 79-17=62, Resulting Numbers: [62] 62,78 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 78:[12, 84], Operations: ['75-58=17', '67+17=84'] Exploring Operation: 84/12=7, Resulting Numbers: [7] 7,78 unequal: No Solution Exploring Operation: 84-12=72, Resulting Numbers: [72] 72,78 unequal: No Solution Exploring Operation: 12+84=96, Resulting Numbers: [96] 96,78 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 78:[12, 50], Operations: ['75-58=17', '67-17=50'] Exploring Operation: 12*50=600, Resulting Numbers: [600] 600,78 unequal: No Solution Exploring Operation: 12+50=62, Resulting Numbers: [62] 62,78 unequal: No Solution Exploring Operation: 50-12=38, Resulting Numbers: [38] 38,78 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 78:[75, 67, 46], Operations: ['58-12=46'] Exploring Operation: 75-46=29, Resulting Numbers: [67, 29] Generated Node #0,2,0: 78:[67, 29] Operation: 75-46=29 Exploring Operation: 67-46=21, Resulting Numbers: [75, 21] Generated Node #0,2,1: 78:[75, 21] Operation: 67-46=21 Exploring Operation: 75-67=8, Resulting Numbers: [46, 8] Generated Node #0,2,2: 78:[46, 8] Operation: 75-67=8 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 78:[75, 21], Operations: ['58-12=46', '67-46=21'] Exploring Operation: 75-21=54, Resulting Numbers: [54] 54,78 unequal: No Solution Exploring Operation: 75*21=1575, Resulting Numbers: [1575] 1575,78 unequal: No Solution Exploring Operation: 75+21=96, Resulting Numbers: [96] 96,78 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 78:[46, 8], Operations: ['58-12=46', '75-67=8'] Exploring Operation: 46*8=368, Resulting Numbers: [368] 368,78 unequal: No Solution Exploring Operation: 46-8=38, Resulting Numbers: [38] 38,78 unequal: No Solution Exploring Operation: 46+8=54, Resulting Numbers: [54] 54,78 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 78:[67, 29], Operations: ['58-12=46', '75-46=29'] Exploring Operation: 67-29=38, Resulting Numbers: [38] 38,78 unequal: No Solution Exploring Operation: 67+29=96, Resulting Numbers: [96] 96,78 unequal: No Solution Exploring Operation: 67*29=1943, Resulting Numbers: [1943] 1943,78 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,1 Current State: 78:[75, 3], Operations: ['67-58=9', '12-9=3'] Exploring Operation: 75-3=72, Resulting Numbers: [72] 72,78 unequal: No Solution Exploring Operation: 75/3=25, Resulting Numbers: [25] 25,78 unequal: No Solution Exploring Operation: 75+3=78, Resulting Numbers: [78] 78,78 equal: Goal Reached Moving to Node #0 Current State: 78:[75, 67, 58, 12], Operations: [] Exploring Operation: 67-58=9, Resulting Numbers: [75, 12, 9] Generated Node #0,0: 78:[75, 12, 9] Operation: 67-58=9 Moving to Node #0,0 Current State: 78:[75, 12, 9], Operations: ['67-58=9'] Exploring Operation: 12-9=3, Resulting Numbers: [75, 3] Generated Node #0,0,1: 78:[75, 3] Operation: 12-9=3 Moving to Node #0,0,1 Current State: 78:[75, 3], Operations: ['67-58=9', '12-9=3'] Exploring Operation: 75+3=78, Resulting Numbers: [78] 78,78 equal: Goal Reached
0.967882
hs_3
mult_heuristic
[ 98, 41, 43, 31 ]
69
[ "98-41=57", "43-31=12", "57+12=69" ]
Current State: 69:[98, 41, 43, 31], Operations: [] Exploring Operation: 98-41=57, Resulting Numbers: [43, 31, 57] Generated Node #2: [43, 31, 57] from Operation: 98-41=57 Current State: 69:[43, 31, 57], Operations: ['98-41=57'] Exploring Operation: 43-31=12, Resulting Numbers: [57, 12] Generated Node #3: [57, 12] from Operation: 43-31=12 Current State: 69:[57, 12], Operations: ['98-41=57', '43-31=12'] Exploring Operation: 57+12=69, Resulting Numbers: [69] 69,69 equal: Goal Reached
4
Current State: 69:[98, 41, 43, 31], Operations: [] Exploring Operation: 43-41=2, Resulting Numbers: [98, 31, 2] Generated Node #0,0: 69:[98, 31, 2] Operation: 43-41=2 Exploring Operation: 98-41=57, Resulting Numbers: [43, 31, 57] Generated Node #0,1: 69:[43, 31, 57] Operation: 98-41=57 Start Sub Search at level 1: Moving to Node #0,0 Current State: 69:[98, 31, 2], Operations: ['43-41=2'] Exploring Operation: 98/2=49, Resulting Numbers: [31, 49] Generated Node #0,0,0: 69:[31, 49] Operation: 98/2=49 Exploring Operation: 98-31=67, Resulting Numbers: [2, 67] Generated Node #0,0,1: 69:[2, 67] Operation: 98-31=67 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 69:[2, 67], Operations: ['43-41=2', '98-31=67'] Exploring Operation: 2+67=69, Resulting Numbers: [69] 69,69 equal: Goal Reached Moving to Node #0 Current State: 69:[98, 41, 43, 31], Operations: [] Exploring Operation: 43-41=2, Resulting Numbers: [98, 31, 2] Generated Node #0,0: 69:[98, 31, 2] Operation: 43-41=2 Moving to Node #0,0 Current State: 69:[98, 31, 2], Operations: ['43-41=2'] Exploring Operation: 98-31=67, Resulting Numbers: [2, 67] Generated Node #0,0,1: 69:[2, 67] Operation: 98-31=67 Moving to Node #0,0,1 Current State: 69:[2, 67], Operations: ['43-41=2', '98-31=67'] Exploring Operation: 2+67=69, Resulting Numbers: [69] 69,69 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.992188
hs_2
sum_heuristic
[ 75, 74, 64, 44 ]
78
[ "75-64=11", "44/11=4", "74+4=78" ]
Current State: 78:[75, 74, 64, 44], Operations: [] Exploring Operation: 75-64=11, Resulting Numbers: [74, 44, 11] Generated Node #2: [74, 44, 11] from Operation: 75-64=11 Current State: 78:[74, 44, 11], Operations: ['75-64=11'] Exploring Operation: 44/11=4, Resulting Numbers: [74, 4] Generated Node #3: [74, 4] from Operation: 44/11=4 Current State: 78:[74, 4], Operations: ['75-64=11', '44/11=4'] Exploring Operation: 74+4=78, Resulting Numbers: [78] 78,78 equal: Goal Reached
4
Current State: 78:[75, 74, 64, 44], Operations: [] Exploring Operation: 75-64=11, Resulting Numbers: [74, 44, 11] Generated Node #0,0: 78:[74, 44, 11] Operation: 75-64=11 Exploring Operation: 75-74=1, Resulting Numbers: [64, 44, 1] Generated Node #0,1: 78:[64, 44, 1] Operation: 75-74=1 Exploring Operation: 74-64=10, Resulting Numbers: [75, 44, 10] Generated Node #0,2: 78:[75, 44, 10] Operation: 74-64=10 Exploring Operation: 64-44=20, Resulting Numbers: [75, 74, 20] Generated Node #0,3: 78:[75, 74, 20] Operation: 64-44=20 Moving to Node #0,0 Current State: 78:[74, 44, 11], Operations: ['75-64=11'] Exploring Operation: 44/11=4, Resulting Numbers: [74, 4] Generated Node #0,0,0: 78:[74, 4] Operation: 44/11=4 Exploring Operation: 74+11=85, Resulting Numbers: [44, 85] Generated Node #0,0,1: 78:[44, 85] Operation: 74+11=85 Exploring Operation: 44-11=33, Resulting Numbers: [74, 33] Generated Node #0,0,2: 78:[74, 33] Operation: 44-11=33 Exploring Operation: 74-44=30, Resulting Numbers: [11, 30] Generated Node #0,0,3: 78:[11, 30] Operation: 74-44=30 Moving to Node #0,2 Current State: 78:[75, 44, 10], Operations: ['74-64=10'] Exploring Operation: 75-10=65, Resulting Numbers: [44, 65] Generated Node #0,2,0: 78:[44, 65] Operation: 75-10=65 Exploring Operation: 75+10=85, Resulting Numbers: [44, 85] Generated Node #0,2,1: 78:[44, 85] Operation: 75+10=85 Exploring Operation: 75-44=31, Resulting Numbers: [10, 31] Generated Node #0,2,2: 78:[10, 31] Operation: 75-44=31 Exploring Operation: 44-10=34, Resulting Numbers: [75, 34] Generated Node #0,2,3: 78:[75, 34] Operation: 44-10=34 Moving to Node #0,3 Current State: 78:[75, 74, 20], Operations: ['64-44=20'] Exploring Operation: 75-20=55, Resulting Numbers: [74, 55] Generated Node #0,3,0: 78:[74, 55] Operation: 75-20=55 Exploring Operation: 74+20=94, Resulting Numbers: [75, 94] Generated Node #0,3,1: 78:[75, 94] Operation: 74+20=94 Exploring Operation: 74-20=54, Resulting Numbers: [75, 54] Generated Node #0,3,2: 78:[75, 54] Operation: 74-20=54 Exploring Operation: 75-74=1, Resulting Numbers: [20, 1] Generated Node #0,3,3: 78:[20, 1] Operation: 75-74=1 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 78:[20, 1], Operations: ['64-44=20', '75-74=1'] Exploring Operation: 20-1=19, Resulting Numbers: [19] 19,78 unequal: No Solution Exploring Operation: 20*1=20, Resulting Numbers: [20] 20,78 unequal: No Solution Exploring Operation: 20/1=20, Resulting Numbers: [20] 20,78 unequal: No Solution Exploring Operation: 20+1=21, Resulting Numbers: [21] 21,78 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 78:[75, 54], Operations: ['64-44=20', '74-20=54'] Exploring Operation: 75+54=129, Resulting Numbers: [129] 129,78 unequal: No Solution Exploring Operation: 75*54=4050, Resulting Numbers: [4050] 4050,78 unequal: No Solution Exploring Operation: 75-54=21, Resulting Numbers: [21] 21,78 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 78:[75, 94], Operations: ['64-44=20', '74+20=94'] Exploring Operation: 75+94=169, Resulting Numbers: [169] 169,78 unequal: No Solution Exploring Operation: 94-75=19, Resulting Numbers: [19] 19,78 unequal: No Solution Exploring Operation: 75*94=7050, Resulting Numbers: [7050] 7050,78 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 78:[74, 55], Operations: ['64-44=20', '75-20=55'] Exploring Operation: 74-55=19, Resulting Numbers: [19] 19,78 unequal: No Solution Exploring Operation: 74*55=4070, Resulting Numbers: [4070] 4070,78 unequal: No Solution Exploring Operation: 74+55=129, Resulting Numbers: [129] 129,78 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 78:[64, 44, 1], Operations: ['75-74=1'] Exploring Operation: 64*1=64, Resulting Numbers: [44, 64] Generated Node #0,1,0: 78:[44, 64] Operation: 64*1=64 Exploring Operation: 44-1=43, Resulting Numbers: [64, 43] Generated Node #0,1,1: 78:[64, 43] Operation: 44-1=43 Exploring Operation: 64+1=65, Resulting Numbers: [44, 65] Generated Node #0,1,2: 78:[44, 65] Operation: 64+1=65 Exploring Operation: 64-44=20, Resulting Numbers: [1, 20] Generated Node #0,1,3: 78:[1, 20] Operation: 64-44=20 Moving to Node #0,0,0 Current State: 78:[74, 4], Operations: ['75-64=11', '44/11=4'] Exploring Operation: 74+4=78, Resulting Numbers: [78] 78,78 equal: Goal Reached Moving to Node #0 Current State: 78:[75, 74, 64, 44], Operations: [] Exploring Operation: 75-64=11, Resulting Numbers: [74, 44, 11] Generated Node #0,0: 78:[74, 44, 11] Operation: 75-64=11 Moving to Node #0,0 Current State: 78:[74, 44, 11], Operations: ['75-64=11'] Exploring Operation: 44/11=4, Resulting Numbers: [74, 4] Generated Node #0,0,0: 78:[74, 4] Operation: 44/11=4 Moving to Node #0,0,0 Current State: 78:[74, 4], Operations: ['75-64=11', '44/11=4'] Exploring Operation: 74+4=78, Resulting Numbers: [78] 78,78 equal: Goal Reached
0.967014
hs_4
sum_heuristic
[ 41, 46, 54, 44 ]
97
[ "41+46=87", "54-44=10", "87+10=97" ]
Current State: 97:[41, 46, 54, 44], Operations: [] Exploring Operation: 41+46=87, Resulting Numbers: [54, 44, 87] Generated Node #2: [54, 44, 87] from Operation: 41+46=87 Current State: 97:[54, 44, 87], Operations: ['41+46=87'] Exploring Operation: 54-44=10, Resulting Numbers: [87, 10] Generated Node #3: [87, 10] from Operation: 54-44=10 Current State: 97:[87, 10], Operations: ['41+46=87', '54-44=10'] Exploring Operation: 87+10=97, Resulting Numbers: [97] 97,97 equal: Goal Reached
4
Current State: 97:[41, 46, 54, 44], Operations: [] Exploring Operation: 41+54=95, Resulting Numbers: [46, 44, 95] Generated Node #0,0: 97:[46, 44, 95] Operation: 41+54=95 Exploring Operation: 41+46=87, Resulting Numbers: [54, 44, 87] Generated Node #0,1: 97:[54, 44, 87] Operation: 41+46=87 Exploring Operation: 46+44=90, Resulting Numbers: [41, 54, 90] Generated Node #0,2: 97:[41, 54, 90] Operation: 46+44=90 Exploring Operation: 41+44=85, Resulting Numbers: [46, 54, 85] Generated Node #0,3: 97:[46, 54, 85] Operation: 41+44=85 Exploring Operation: 54+44=98, Resulting Numbers: [41, 46, 98] Generated Node #0,4: 97:[41, 46, 98] Operation: 54+44=98 Start Sub Search at level 1: Moving to Node #0,0 Current State: 97:[46, 44, 95], Operations: ['41+54=95'] Exploring Operation: 44+95=139, Resulting Numbers: [46, 139] Generated Node #0,0,0: 97:[46, 139] Operation: 44+95=139 Exploring Operation: 46+44=90, Resulting Numbers: [95, 90] Generated Node #0,0,1: 97:[95, 90] Operation: 46+44=90 Exploring Operation: 46+95=141, Resulting Numbers: [44, 141] Generated Node #0,0,2: 97:[44, 141] Operation: 46+95=141 Exploring Operation: 95-44=51, Resulting Numbers: [46, 51] Generated Node #0,0,3: 97:[46, 51] Operation: 95-44=51 Exploring Operation: 46-44=2, Resulting Numbers: [95, 2] Generated Node #0,0,4: 97:[95, 2] Operation: 46-44=2 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 97:[95, 90], Operations: ['41+54=95', '46+44=90'] Exploring Operation: 95*90=8550, Resulting Numbers: [8550] 8550,97 unequal: No Solution Exploring Operation: 95-90=5, Resulting Numbers: [5] 5,97 unequal: No Solution Exploring Operation: 95+90=185, Resulting Numbers: [185] 185,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 97:[46, 139], Operations: ['41+54=95', '44+95=139'] Exploring Operation: 46+139=185, Resulting Numbers: [185] 185,97 unequal: No Solution Exploring Operation: 139-46=93, Resulting Numbers: [93] 93,97 unequal: No Solution Exploring Operation: 46*139=6394, Resulting Numbers: [6394] 6394,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 97:[44, 141], Operations: ['41+54=95', '46+95=141'] Exploring Operation: 44+141=185, Resulting Numbers: [185] 185,97 unequal: No Solution Exploring Operation: 141-44=97, Resulting Numbers: [97] 97,97 equal: Goal Reached Moving to Node #0 Current State: 97:[41, 46, 54, 44], Operations: [] Exploring Operation: 41+54=95, Resulting Numbers: [46, 44, 95] Generated Node #0,0: 97:[46, 44, 95] Operation: 41+54=95 Moving to Node #0,0 Current State: 97:[46, 44, 95], Operations: ['41+54=95'] Exploring Operation: 46+95=141, Resulting Numbers: [44, 141] Generated Node #0,0,2: 97:[44, 141] Operation: 46+95=141 Moving to Node #0,0,2 Current State: 97:[44, 141], Operations: ['41+54=95', '46+95=141'] Exploring Operation: 141-44=97, Resulting Numbers: [97] 97,97 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.980903
hs_5
sum_heuristic
[ 77, 4, 86, 83 ]
20
[ "77+86=163", "163-83=80", "80/4=20" ]
Current State: 20:[77, 4, 86, 83], Operations: [] Exploring Operation: 77+86=163, Resulting Numbers: [4, 83, 163] Generated Node #2: [4, 83, 163] from Operation: 77+86=163 Current State: 20:[4, 83, 163], Operations: ['77+86=163'] Exploring Operation: 163-83=80, Resulting Numbers: [4, 80] Generated Node #3: [4, 80] from Operation: 163-83=80 Current State: 20:[4, 80], Operations: ['77+86=163', '163-83=80'] Exploring Operation: 80/4=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[77, 4, 86, 83], Operations: [] Exploring Operation: 86-83=3, Resulting Numbers: [77, 4, 3] Generated Node #0,0: 20:[77, 4, 3] Operation: 86-83=3 Exploring Operation: 83-77=6, Resulting Numbers: [4, 86, 6] Generated Node #0,1: 20:[4, 86, 6] Operation: 83-77=6 Exploring Operation: 86-77=9, Resulting Numbers: [4, 83, 9] Generated Node #0,2: 20:[4, 83, 9] Operation: 86-77=9 Moving to Node #0,0 Current State: 20:[77, 4, 3], Operations: ['86-83=3'] Exploring Operation: 77-3=74, Resulting Numbers: [4, 74] Generated Node #0,0,0: 20:[4, 74] Operation: 77-3=74 Exploring Operation: 4-3=1, Resulting Numbers: [77, 1] Generated Node #0,0,1: 20:[77, 1] Operation: 4-3=1 Exploring Operation: 77-4=73, Resulting Numbers: [3, 73] Generated Node #0,0,2: 20:[3, 73] Operation: 77-4=73 Moving to Node #0,2 Current State: 20:[4, 83, 9], Operations: ['86-77=9'] Exploring Operation: 83-4=79, Resulting Numbers: [9, 79] Generated Node #0,2,0: 20:[9, 79] Operation: 83-4=79 Exploring Operation: 9-4=5, Resulting Numbers: [83, 5] Generated Node #0,2,1: 20:[83, 5] Operation: 9-4=5 Exploring Operation: 83-9=74, Resulting Numbers: [4, 74] Generated Node #0,2,2: 20:[4, 74] Operation: 83-9=74 Moving to Node #0,1 Current State: 20:[4, 86, 6], Operations: ['83-77=6'] Exploring Operation: 4+6=10, Resulting Numbers: [86, 10] Generated Node #0,1,0: 20:[86, 10] Operation: 4+6=10 Exploring Operation: 86-6=80, Resulting Numbers: [4, 80] Generated Node #0,1,1: 20:[4, 80] Operation: 86-6=80 Exploring Operation: 86-4=82, Resulting Numbers: [6, 82] Generated Node #0,1,2: 20:[6, 82] Operation: 86-4=82 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 20:[4, 80], Operations: ['83-77=6', '86-6=80'] Exploring Operation: 80-4=76, Resulting Numbers: [76] 76,20 unequal: No Solution Exploring Operation: 80/4=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Moving to Node #0 Current State: 20:[77, 4, 86, 83], Operations: [] Exploring Operation: 83-77=6, Resulting Numbers: [4, 86, 6] Generated Node #0,1: 20:[4, 86, 6] Operation: 83-77=6 Moving to Node #0,1 Current State: 20:[4, 86, 6], Operations: ['83-77=6'] Exploring Operation: 86-6=80, Resulting Numbers: [4, 80] Generated Node #0,1,1: 20:[4, 80] Operation: 86-6=80 Moving to Node #0,1,1 Current State: 20:[4, 80], Operations: ['83-77=6', '86-6=80'] Exploring Operation: 80/4=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_3
sum_heuristic
[ 13, 88, 38, 4 ]
51
[ "13+88=101", "38*4=152", "152-101=51" ]
Current State: 51:[13, 88, 38, 4], Operations: [] Exploring Operation: 13+88=101, Resulting Numbers: [38, 4, 101] Generated Node #2: [38, 4, 101] from Operation: 13+88=101 Current State: 51:[38, 4, 101], Operations: ['13+88=101'] Exploring Operation: 38*4=152, Resulting Numbers: [101, 152] Generated Node #3: [101, 152] from Operation: 38*4=152 Current State: 51:[101, 152], Operations: ['13+88=101', '38*4=152'] Exploring Operation: 152-101=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[13, 88, 38, 4], Operations: [] Exploring Operation: 88-38=50, Resulting Numbers: [13, 4, 50] Generated Node #0,0: 51:[13, 4, 50] Operation: 88-38=50 Moving to Node #0,0 Current State: 51:[13, 4, 50], Operations: ['88-38=50'] Exploring Operation: 13+4=17, Resulting Numbers: [50, 17] Generated Node #0,0,0: 51:[50, 17] Operation: 13+4=17 Moving to Node #0,0,0 Current State: 51:[50, 17], Operations: ['88-38=50', '13+4=17'] Exploring Operation: 50+17=67, Resulting Numbers: [67] 67,51 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 13, 47, 18, 15 ]
10
[ "47+18=65", "65/13=5", "15-5=10" ]
Current State: 10:[13, 47, 18, 15], Operations: [] Exploring Operation: 47+18=65, Resulting Numbers: [13, 15, 65] Generated Node #2: [13, 15, 65] from Operation: 47+18=65 Current State: 10:[13, 15, 65], Operations: ['47+18=65'] Exploring Operation: 65/13=5, Resulting Numbers: [15, 5] Generated Node #3: [15, 5] from Operation: 65/13=5 Current State: 10:[15, 5], Operations: ['47+18=65', '65/13=5'] Exploring Operation: 15-5=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
4
Current State: 10:[13, 47, 18, 15], Operations: [] Exploring Operation: 47-15=32, Resulting Numbers: [13, 18, 32] Generated Node #0,0: 10:[13, 18, 32] Operation: 47-15=32 Exploring Operation: 47-18=29, Resulting Numbers: [13, 15, 29] Generated Node #0,1: 10:[13, 15, 29] Operation: 47-18=29 Exploring Operation: 47-13=34, Resulting Numbers: [18, 15, 34] Generated Node #0,2: 10:[18, 15, 34] Operation: 47-13=34 Exploring Operation: 18-15=3, Resulting Numbers: [13, 47, 3] Generated Node #0,3: 10:[13, 47, 3] Operation: 18-15=3 Moving to Node #0,1 Current State: 10:[13, 15, 29], Operations: ['47-18=29'] Exploring Operation: 29-15=14, Resulting Numbers: [13, 14] Generated Node #0,1,0: 10:[13, 14] Operation: 29-15=14 Exploring Operation: 15-13=2, Resulting Numbers: [29, 2] Generated Node #0,1,1: 10:[29, 2] Operation: 15-13=2 Exploring Operation: 29-13=16, Resulting Numbers: [15, 16] Generated Node #0,1,2: 10:[15, 16] Operation: 29-13=16 Exploring Operation: 13+15=28, Resulting Numbers: [29, 28] Generated Node #0,1,3: 10:[29, 28] Operation: 13+15=28 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 10:[13, 14], Operations: ['47-18=29', '29-15=14'] Exploring Operation: 13+14=27, Resulting Numbers: [27] 27,10 unequal: No Solution Exploring Operation: 14-13=1, Resulting Numbers: [1] 1,10 unequal: No Solution Exploring Operation: 13*14=182, Resulting Numbers: [182] 182,10 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 10:[15, 16], Operations: ['47-18=29', '29-13=16'] Exploring Operation: 15+16=31, Resulting Numbers: [31] 31,10 unequal: No Solution Exploring Operation: 15*16=240, Resulting Numbers: [240] 240,10 unequal: No Solution Exploring Operation: 16-15=1, Resulting Numbers: [1] 1,10 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 10:[29, 2], Operations: ['47-18=29', '15-13=2'] Exploring Operation: 29-2=27, Resulting Numbers: [27] 27,10 unequal: No Solution Exploring Operation: 29*2=58, Resulting Numbers: [58] 58,10 unequal: No Solution Exploring Operation: 29+2=31, Resulting Numbers: [31] 31,10 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 10:[29, 28], Operations: ['47-18=29', '13+15=28'] Exploring Operation: 29*28=812, Resulting Numbers: [812] 812,10 unequal: No Solution Exploring Operation: 29-28=1, Resulting Numbers: [1] 1,10 unequal: No Solution Exploring Operation: 29+28=57, Resulting Numbers: [57] 57,10 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:[13, 18, 32], Operations: ['47-15=32'] Exploring Operation: 13+18=31, Resulting Numbers: [32, 31] Generated Node #0,0,0: 10:[32, 31] Operation: 13+18=31 Exploring Operation: 32-13=19, Resulting Numbers: [18, 19] Generated Node #0,0,1: 10:[18, 19] Operation: 32-13=19 Exploring Operation: 32-18=14, Resulting Numbers: [13, 14] Generated Node #0,0,2: 10:[13, 14] Operation: 32-18=14 Exploring Operation: 18-13=5, Resulting Numbers: [32, 5] Generated Node #0,0,3: 10:[32, 5] Operation: 18-13=5 Moving to Node #0,2 Current State: 10:[18, 15, 34], Operations: ['47-13=34'] Exploring Operation: 34-15=19, Resulting Numbers: [18, 19] Generated Node #0,2,0: 10:[18, 19] Operation: 34-15=19 Exploring Operation: 34-18=16, Resulting Numbers: [15, 16] Generated Node #0,2,1: 10:[15, 16] Operation: 34-18=16 Exploring Operation: 18-15=3, Resulting Numbers: [34, 3] Generated Node #0,2,2: 10:[34, 3] Operation: 18-15=3 Exploring Operation: 18+15=33, Resulting Numbers: [34, 33] Generated Node #0,2,3: 10:[34, 33] Operation: 18+15=33 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 10:[15, 16], Operations: ['47-13=34', '34-18=16'] Exploring Operation: 16-15=1, Resulting Numbers: [1] 1,10 unequal: No Solution Exploring Operation: 15*16=240, Resulting Numbers: [240] 240,10 unequal: No Solution Exploring Operation: 15+16=31, Resulting Numbers: [31] 31,10 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 #0,2,0 Current State: 10:[18, 19], Operations: ['47-13=34', '34-15=19'] Exploring Operation: 18*19=342, Resulting Numbers: [342] 342,10 unequal: No Solution Exploring Operation: 18+19=37, Resulting Numbers: [37] 37,10 unequal: No Solution Exploring Operation: 19-18=1, Resulting Numbers: [1] 1,10 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 #0,2,2 Current State: 10:[34, 3], Operations: ['47-13=34', '18-15=3'] Exploring Operation: 34+3=37, Resulting Numbers: [37] 37,10 unequal: No Solution Exploring Operation: 34-3=31, Resulting Numbers: [31] 31,10 unequal: No Solution Exploring Operation: 34*3=102, Resulting Numbers: [102] 102,10 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 10:[34, 33], Operations: ['47-13=34', '18+15=33'] Exploring Operation: 34*33=1122, Resulting Numbers: [1122] 1122,10 unequal: No Solution Exploring Operation: 34-33=1, Resulting Numbers: [1] 1,10 unequal: No Solution Exploring Operation: 34+33=67, Resulting Numbers: [67] 67,10 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: 10:[13, 47, 3], Operations: ['18-15=3'] Exploring Operation: 47-13=34, Resulting Numbers: [3, 34] Generated Node #0,3,0: 10:[3, 34] Operation: 47-13=34 Exploring Operation: 47-3=44, Resulting Numbers: [13, 44] Generated Node #0,3,1: 10:[13, 44] Operation: 47-3=44 Exploring Operation: 13-3=10, Resulting Numbers: [47, 10] Generated Node #0,3,2: 10:[47, 10] Operation: 13-3=10 Exploring Operation: 13+3=16, Resulting Numbers: [47, 16] Generated Node #0,3,3: 10:[47, 16] Operation: 13+3=16 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 10:[3, 34], Operations: ['18-15=3', '47-13=34'] Exploring Operation: 34-3=31, Resulting Numbers: [31] 31,10 unequal: No Solution Exploring Operation: 3+34=37, Resulting Numbers: [37] 37,10 unequal: No Solution Exploring Operation: 3*34=102, Resulting Numbers: [102] 102,10 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 10:[13, 44], Operations: ['18-15=3', '47-3=44'] Exploring Operation: 44-13=31, Resulting Numbers: [31] 31,10 unequal: No Solution Exploring Operation: 13+44=57, Resulting Numbers: [57] 57,10 unequal: No Solution Exploring Operation: 13*44=572, Resulting Numbers: [572] 572,10 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:[47, 10], Operations: ['18-15=3', '13-3=10'] Exploring Operation: 47*10=470, Resulting Numbers: [470] 470,10 unequal: No Solution Exploring Operation: 47-10=37, Resulting Numbers: [37] 37,10 unequal: No Solution Exploring Operation: 47+10=57, Resulting Numbers: [57] 57,10 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:[47, 16], Operations: ['18-15=3', '13+3=16'] Exploring Operation: 47-16=31, Resulting Numbers: [31] 31,10 unequal: No Solution Exploring Operation: 47+16=63, Resulting Numbers: [63] 63,10 unequal: No Solution Exploring Operation: 47*16=752, Resulting Numbers: [752] 752,10 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: 10:[13, 14], Operations: ['47-15=32', '32-18=14'] Exploring Operation: 13+14=27, Resulting Numbers: [27] 27,10 unequal: No Solution Exploring Operation: 13*14=182, Resulting Numbers: [182] 182,10 unequal: No Solution Exploring Operation: 14-13=1, Resulting Numbers: [1] 1,10 unequal: No Solution Moving to Node #0,0,1 Current State: 10:[18, 19], Operations: ['47-15=32', '32-13=19'] Exploring Operation: 18+19=37, Resulting Numbers: [37] 37,10 unequal: No Solution Exploring Operation: 18*19=342, Resulting Numbers: [342] 342,10 unequal: No Solution Exploring Operation: 19-18=1, Resulting Numbers: [1] 1,10 unequal: No Solution Moving to Node #0,0,3 Current State: 10:[32, 5], Operations: ['47-15=32', '18-13=5'] Exploring Operation: 32-5=27, Resulting Numbers: [27] 27,10 unequal: No Solution Exploring Operation: 32*5=160, Resulting Numbers: [160] 160,10 unequal: No Solution Exploring Operation: 32+5=37, Resulting Numbers: [37] 37,10 unequal: No Solution Moving to Node #0,0,0 Current State: 10:[32, 31], Operations: ['47-15=32', '13+18=31'] Exploring Operation: 32*31=992, Resulting Numbers: [992] 992,10 unequal: No Solution Exploring Operation: 32+31=63, Resulting Numbers: [63] 63,10 unequal: No Solution Exploring Operation: 32-31=1, Resulting Numbers: [1] 1,10 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 80, 9, 29, 35 ]
16
[ "80+29=109", "35+109=144", "144/9=16" ]
Current State: 16:[80, 9, 29, 35], Operations: [] Exploring Operation: 80+29=109, Resulting Numbers: [9, 35, 109] Generated Node #2: [9, 35, 109] from Operation: 80+29=109 Current State: 16:[9, 35, 109], Operations: ['80+29=109'] Exploring Operation: 35+109=144, Resulting Numbers: [9, 144] Generated Node #3: [9, 144] from Operation: 35+109=144 Current State: 16:[9, 144], Operations: ['80+29=109', '35+109=144'] Exploring Operation: 144/9=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[80, 9, 29, 35], Operations: [] Exploring Operation: 80-35=45, Resulting Numbers: [9, 29, 45] Generated Node #0,0: 16:[9, 29, 45] Operation: 80-35=45 Exploring Operation: 35-29=6, Resulting Numbers: [80, 9, 6] Generated Node #0,1: 16:[80, 9, 6] Operation: 35-29=6 Exploring Operation: 80-29=51, Resulting Numbers: [9, 35, 51] Generated Node #0,2: 16:[9, 35, 51] Operation: 80-29=51 Moving to Node #0,0 Current State: 16:[9, 29, 45], Operations: ['80-35=45'] Exploring Operation: 29-9=20, Resulting Numbers: [45, 20] Generated Node #0,0,0: 16:[45, 20] Operation: 29-9=20 Exploring Operation: 45-29=16, Resulting Numbers: [9, 16] Generated Node #0,0,1: 16:[9, 16] Operation: 45-29=16 Exploring Operation: 45/9=5, Resulting Numbers: [29, 5] Generated Node #0,0,2: 16:[29, 5] Operation: 45/9=5 Moving to Node #0,2 Current State: 16:[9, 35, 51], Operations: ['80-29=51'] Exploring Operation: 35-9=26, Resulting Numbers: [51, 26] Generated Node #0,2,0: 16:[51, 26] Operation: 35-9=26 Exploring Operation: 51-9=42, Resulting Numbers: [35, 42] Generated Node #0,2,1: 16:[35, 42] Operation: 51-9=42 Exploring Operation: 51-35=16, Resulting Numbers: [9, 16] Generated Node #0,2,2: 16:[9, 16] Operation: 51-35=16 Moving to Node #0,1 Current State: 16:[80, 9, 6], Operations: ['35-29=6'] Exploring Operation: 80-9=71, Resulting Numbers: [6, 71] Generated Node #0,1,0: 16:[6, 71] Operation: 80-9=71 Exploring Operation: 80-6=74, Resulting Numbers: [9, 74] Generated Node #0,1,1: 16:[9, 74] Operation: 80-6=74 Exploring Operation: 9+6=15, Resulting Numbers: [80, 15] Generated Node #0,1,2: 16:[80, 15] Operation: 9+6=15 Moving to Node #0,0,1 Current State: 16:[9, 16], Operations: ['80-35=45', '45-29=16'] Exploring Operation: 16-9=7, Resulting Numbers: [7] 7,16 unequal: No Solution Exploring Operation: 9*16=144, Resulting Numbers: [144] 144,16 unequal: No Solution Exploring Operation: 9+16=25, Resulting Numbers: [25] 25,16 unequal: No Solution Moving to Node #0,2,2 Current State: 16:[9, 16], Operations: ['80-29=51', '51-35=16'] Exploring Operation: 9+16=25, Resulting Numbers: [25] 25,16 unequal: No Solution Exploring Operation: 9*16=144, Resulting Numbers: [144] 144,16 unequal: No Solution Exploring Operation: 16-9=7, Resulting Numbers: [7] 7,16 unequal: No Solution Moving to Node #0,0,2 Current State: 16:[29, 5], Operations: ['80-35=45', '45/9=5'] Exploring Operation: 29-5=24, Resulting Numbers: [24] 24,16 unequal: No Solution Exploring Operation: 29*5=145, Resulting Numbers: [145] 145,16 unequal: No Solution Exploring Operation: 29+5=34, Resulting Numbers: [34] 34,16 unequal: No Solution Moving to Node #0,0,0 Current State: 16:[45, 20], Operations: ['80-35=45', '29-9=20'] Exploring Operation: 45*20=900, Resulting Numbers: [900] 900,16 unequal: No Solution Exploring Operation: 45+20=65, Resulting Numbers: [65] 65,16 unequal: No Solution Exploring Operation: 45-20=25, Resulting Numbers: [25] 25,16 unequal: No Solution Moving to Node #0,2,1 Current State: 16:[35, 42], Operations: ['80-29=51', '51-9=42'] Exploring Operation: 35*42=1470, Resulting Numbers: [1470] 1470,16 unequal: No Solution Exploring Operation: 42-35=7, Resulting Numbers: [7] 7,16 unequal: No Solution Exploring Operation: 35+42=77, Resulting Numbers: [77] 77,16 unequal: No Solution Moving to Node #0,2,0 Current State: 16:[51, 26], Operations: ['80-29=51', '35-9=26'] Exploring Operation: 51-26=25, Resulting Numbers: [25] 25,16 unequal: No Solution Exploring Operation: 51+26=77, Resulting Numbers: [77] 77,16 unequal: No Solution Exploring Operation: 51*26=1326, Resulting Numbers: [1326] 1326,16 unequal: No Solution Moving to Node #0,1,0 Current State: 16:[6, 71], Operations: ['35-29=6', '80-9=71'] Exploring Operation: 6+71=77, Resulting Numbers: [77] 77,16 unequal: No Solution Exploring Operation: 6*71=426, Resulting Numbers: [426] 426,16 unequal: No Solution Exploring Operation: 71-6=65, Resulting Numbers: [65] 65,16 unequal: No Solution Moving to Node #0,1,1 Current State: 16:[9, 74], Operations: ['35-29=6', '80-6=74'] Exploring Operation: 74-9=65, Resulting Numbers: [65] 65,16 unequal: No Solution Exploring Operation: 9*74=666, Resulting Numbers: [666] 666,16 unequal: No Solution Exploring Operation: 9+74=83, Resulting Numbers: [83] 83,16 unequal: No Solution Moving to Node #0,1,2 Current State: 16:[80, 15], Operations: ['35-29=6', '9+6=15'] Exploring Operation: 80*15=1200, Resulting Numbers: [1200] 1200,16 unequal: No Solution Exploring Operation: 80+15=95, Resulting Numbers: [95] 95,16 unequal: No Solution Exploring Operation: 80-15=65, Resulting Numbers: [65] 65,16 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 71, 25, 56, 43 ]
83
[ "71+25=96", "56-43=13", "96-13=83" ]
Current State: 83:[71, 25, 56, 43], Operations: [] Exploring Operation: 71+25=96, Resulting Numbers: [56, 43, 96] Generated Node #2: [56, 43, 96] from Operation: 71+25=96 Current State: 83:[56, 43, 96], Operations: ['71+25=96'] Exploring Operation: 56-43=13, Resulting Numbers: [96, 13] Generated Node #3: [96, 13] from Operation: 56-43=13 Current State: 83:[96, 13], Operations: ['71+25=96', '56-43=13'] Exploring Operation: 96-13=83, Resulting Numbers: [83] 83,83 equal: Goal Reached
4
Current State: 83:[71, 25, 56, 43], Operations: [] Exploring Operation: 25+56=81, Resulting Numbers: [71, 43, 81] Generated Node #0,0: 83:[71, 43, 81] Operation: 25+56=81 Moving to Node #0,0 Current State: 83:[71, 43, 81], Operations: ['25+56=81'] Exploring Operation: 71+43=114, Resulting Numbers: [81, 114] Generated Node #0,0,0: 83:[81, 114] Operation: 71+43=114 Moving to Node #0,0,0 Current State: 83:[81, 114], Operations: ['25+56=81', '71+43=114'] Exploring Operation: 114-81=33, Resulting Numbers: [33] 33,83 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 3, 82, 96, 12 ]
93
[ "3+82=85", "96/12=8", "85+8=93" ]
Current State: 93:[3, 82, 96, 12], Operations: [] Exploring Operation: 3+82=85, Resulting Numbers: [96, 12, 85] Generated Node #2: [96, 12, 85] from Operation: 3+82=85 Current State: 93:[96, 12, 85], Operations: ['3+82=85'] Exploring Operation: 96/12=8, Resulting Numbers: [85, 8] Generated Node #3: [85, 8] from Operation: 96/12=8 Current State: 93:[85, 8], Operations: ['3+82=85', '96/12=8'] Exploring Operation: 85+8=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
4
Current State: 93:[3, 82, 96, 12], Operations: [] Exploring Operation: 3*12=36, Resulting Numbers: [82, 96, 36] Generated Node #0,0: 93:[82, 96, 36] Operation: 3*12=36 Exploring Operation: 3+82=85, Resulting Numbers: [96, 12, 85] Generated Node #0,1: 93:[96, 12, 85] Operation: 3+82=85 Exploring Operation: 12/3=4, Resulting Numbers: [82, 96, 4] Generated Node #0,2: 93:[82, 96, 4] Operation: 12/3=4 Exploring Operation: 96/12=8, Resulting Numbers: [3, 82, 8] Generated Node #0,3: 93:[3, 82, 8] Operation: 96/12=8 Exploring Operation: 82+12=94, Resulting Numbers: [3, 96, 94] Generated Node #0,4: 93:[3, 96, 94] Operation: 82+12=94 Moving to Node #0,4 Current State: 93:[3, 96, 94], Operations: ['82+12=94'] Exploring Operation: 94-3=91, Resulting Numbers: [96, 91] Generated Node #0,4,0: 93:[96, 91] Operation: 94-3=91 Exploring Operation: 96-3=93, Resulting Numbers: [94, 93] Generated Node #0,4,1: 93:[94, 93] Operation: 96-3=93 Exploring Operation: 96-94=2, Resulting Numbers: [3, 2] Generated Node #0,4,2: 93:[3, 2] Operation: 96-94=2 Exploring Operation: 96/3=32, Resulting Numbers: [94, 32] Generated Node #0,4,3: 93:[94, 32] Operation: 96/3=32 Exploring Operation: 3+96=99, Resulting Numbers: [94, 99] Generated Node #0,4,4: 93:[94, 99] Operation: 3+96=99 Moving to Node #0,2 Current State: 93:[82, 96, 4], Operations: ['12/3=4'] Exploring Operation: 96-4=92, Resulting Numbers: [82, 92] Generated Node #0,2,0: 93:[82, 92] Operation: 96-4=92 Exploring Operation: 82-4=78, Resulting Numbers: [96, 78] Generated Node #0,2,1: 93:[96, 78] Operation: 82-4=78 Exploring Operation: 96+4=100, Resulting Numbers: [82, 100] Generated Node #0,2,2: 93:[82, 100] Operation: 96+4=100 Exploring Operation: 96-82=14, Resulting Numbers: [4, 14] Generated Node #0,2,3: 93:[4, 14] Operation: 96-82=14 Exploring Operation: 82+4=86, Resulting Numbers: [96, 86] Generated Node #0,2,4: 93:[96, 86] Operation: 82+4=86 Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 93:[96, 86], Operations: ['12/3=4', '82+4=86'] Exploring Operation: 96-86=10, Resulting Numbers: [10] 10,93 unequal: No Solution Exploring Operation: 96*86=8256, Resulting Numbers: [8256] 8256,93 unequal: No Solution Exploring Operation: 96+86=182, Resulting Numbers: [182] 182,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 93:[82, 92], Operations: ['12/3=4', '96-4=92'] Exploring Operation: 92-82=10, Resulting Numbers: [10] 10,93 unequal: No Solution Exploring Operation: 82*92=7544, Resulting Numbers: [7544] 7544,93 unequal: No Solution Exploring Operation: 82+92=174, Resulting Numbers: [174] 174,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 93:[4, 14], Operations: ['12/3=4', '96-82=14'] Exploring Operation: 4+14=18, Resulting Numbers: [18] 18,93 unequal: No Solution Exploring Operation: 14-4=10, Resulting Numbers: [10] 10,93 unequal: No Solution Exploring Operation: 4*14=56, Resulting Numbers: [56] 56,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 93:[96, 78], Operations: ['12/3=4', '82-4=78'] Exploring Operation: 96+78=174, Resulting Numbers: [174] 174,93 unequal: No Solution Exploring Operation: 96-78=18, Resulting Numbers: [18] 18,93 unequal: No Solution Exploring Operation: 96*78=7488, Resulting Numbers: [7488] 7488,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 93:[82, 100], Operations: ['12/3=4', '96+4=100'] Exploring Operation: 82+100=182, Resulting Numbers: [182] 182,93 unequal: No Solution Exploring Operation: 82*100=8200, Resulting Numbers: [8200] 8200,93 unequal: No Solution Exploring Operation: 100-82=18, Resulting Numbers: [18] 18,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3 Current State: 93:[3, 82, 8], Operations: ['96/12=8'] Exploring Operation: 3+82=85, Resulting Numbers: [8, 85] Generated Node #0,3,0: 93:[8, 85] Operation: 3+82=85 Exploring Operation: 82+8=90, Resulting Numbers: [3, 90] Generated Node #0,3,1: 93:[3, 90] Operation: 82+8=90 Exploring Operation: 82-3=79, Resulting Numbers: [8, 79] Generated Node #0,3,2: 93:[8, 79] Operation: 82-3=79 Exploring Operation: 8-3=5, Resulting Numbers: [82, 5] Generated Node #0,3,3: 93:[82, 5] Operation: 8-3=5 Exploring Operation: 3*8=24, Resulting Numbers: [82, 24] Generated Node #0,3,4: 93:[82, 24] Operation: 3*8=24 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 93:[3, 90], Operations: ['96/12=8', '82+8=90'] Exploring Operation: 90/3=30, Resulting Numbers: [30] 30,93 unequal: No Solution Exploring Operation: 3*90=270, Resulting Numbers: [270] 270,93 unequal: No Solution Exploring Operation: 90-3=87, Resulting Numbers: [87] 87,93 unequal: No Solution Exploring Operation: 3+90=93, Resulting Numbers: [93] 93,93 equal: Goal Reached Moving to Node #0 Current State: 93:[3, 82, 96, 12], Operations: [] Exploring Operation: 96/12=8, Resulting Numbers: [3, 82, 8] Generated Node #0,3: 93:[3, 82, 8] Operation: 96/12=8 Moving to Node #0,3 Current State: 93:[3, 82, 8], Operations: ['96/12=8'] Exploring Operation: 82+8=90, Resulting Numbers: [3, 90] Generated Node #0,3,1: 93:[3, 90] Operation: 82+8=90 Moving to Node #0,3,1 Current State: 93:[3, 90], Operations: ['96/12=8', '82+8=90'] Exploring Operation: 3+90=93, Resulting Numbers: [93] 93,93 equal: Goal Reached Exit Sub Search at level 1
0.962674
hs_5
sum_heuristic
[ 90, 37, 49, 94 ]
48
[ "94-90=4", "49-37=12", "4*12=48" ]
Current State: 48:[90, 37, 49, 94], Operations: [] Exploring Operation: 94-90=4, Resulting Numbers: [37, 49, 4] Generated Node #2: [37, 49, 4] from Operation: 94-90=4 Current State: 48:[37, 49, 4], Operations: ['94-90=4'] Exploring Operation: 49-37=12, Resulting Numbers: [4, 12] Generated Node #3: [4, 12] from Operation: 49-37=12 Current State: 48:[4, 12], Operations: ['94-90=4', '49-37=12'] Exploring Operation: 4*12=48, Resulting Numbers: [48] 48,48 equal: Goal Reached
4
Current State: 48:[90, 37, 49, 94], Operations: [] Exploring Operation: 94-90=4, Resulting Numbers: [37, 49, 4] Generated Node #0,0: 48:[37, 49, 4] Operation: 94-90=4 Exploring Operation: 90-37=53, Resulting Numbers: [49, 94, 53] Generated Node #0,1: 48:[49, 94, 53] Operation: 90-37=53 Exploring Operation: 94-37=57, Resulting Numbers: [90, 49, 57] Generated Node #0,2: 48:[90, 49, 57] Operation: 94-37=57 Moving to Node #0,0 Current State: 48:[37, 49, 4], Operations: ['94-90=4'] Exploring Operation: 37+4=41, Resulting Numbers: [49, 41] Generated Node #0,0,0: 48:[49, 41] Operation: 37+4=41 Exploring Operation: 37-4=33, Resulting Numbers: [49, 33] Generated Node #0,0,1: 48:[49, 33] Operation: 37-4=33 Exploring Operation: 49-37=12, Resulting Numbers: [4, 12] Generated Node #0,0,2: 48:[4, 12] Operation: 49-37=12 Moving to Node #0,1 Current State: 48:[49, 94, 53], Operations: ['90-37=53'] Exploring Operation: 53-49=4, Resulting Numbers: [94, 4] Generated Node #0,1,0: 48:[94, 4] Operation: 53-49=4 Exploring Operation: 94-49=45, Resulting Numbers: [53, 45] Generated Node #0,1,1: 48:[53, 45] Operation: 94-49=45 Exploring Operation: 94-53=41, Resulting Numbers: [49, 41] Generated Node #0,1,2: 48:[49, 41] Operation: 94-53=41 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 48:[53, 45], Operations: ['90-37=53', '94-49=45'] Exploring Operation: 53-45=8, Resulting Numbers: [8] 8,48 unequal: No Solution Exploring Operation: 53*45=2385, Resulting Numbers: [2385] 2385,48 unequal: No Solution Exploring Operation: 53+45=98, Resulting Numbers: [98] 98,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 48:[49, 41], Operations: ['90-37=53', '94-53=41'] Exploring Operation: 49-41=8, Resulting Numbers: [8] 8,48 unequal: No Solution Exploring Operation: 49+41=90, Resulting Numbers: [90] 90,48 unequal: No Solution Exploring Operation: 49*41=2009, Resulting Numbers: [2009] 2009,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 48:[94, 4], Operations: ['90-37=53', '53-49=4'] Exploring Operation: 94*4=376, Resulting Numbers: [376] 376,48 unequal: No Solution Exploring Operation: 94+4=98, Resulting Numbers: [98] 98,48 unequal: No Solution Exploring Operation: 94-4=90, Resulting Numbers: [90] 90,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 48:[90, 49, 57], Operations: ['94-37=57'] Exploring Operation: 90-49=41, Resulting Numbers: [57, 41] Generated Node #0,2,0: 48:[57, 41] Operation: 90-49=41 Exploring Operation: 57-49=8, Resulting Numbers: [90, 8] Generated Node #0,2,1: 48:[90, 8] Operation: 57-49=8 Exploring Operation: 90-57=33, Resulting Numbers: [49, 33] Generated Node #0,2,2: 48:[49, 33] Operation: 90-57=33 Moving to Node #0,0,2 Current State: 48:[4, 12], Operations: ['94-90=4', '49-37=12'] Exploring Operation: 4+12=16, Resulting Numbers: [16] 16,48 unequal: No Solution Exploring Operation: 12-4=8, Resulting Numbers: [8] 8,48 unequal: No Solution Exploring Operation: 4*12=48, Resulting Numbers: [48] 48,48 equal: Goal Reached Moving to Node #0 Current State: 48:[90, 37, 49, 94], Operations: [] Exploring Operation: 94-90=4, Resulting Numbers: [37, 49, 4] Generated Node #0,0: 48:[37, 49, 4] Operation: 94-90=4 Moving to Node #0,0 Current State: 48:[37, 49, 4], Operations: ['94-90=4'] Exploring Operation: 49-37=12, Resulting Numbers: [4, 12] Generated Node #0,0,2: 48:[4, 12] Operation: 49-37=12 Moving to Node #0,0,2 Current State: 48:[4, 12], Operations: ['94-90=4', '49-37=12'] Exploring Operation: 4*12=48, Resulting Numbers: [48] 48,48 equal: Goal Reached
0.975694
hs_3
sum_heuristic
[ 8, 56, 14, 82 ]
75
[ "56/8=7", "82-14=68", "7+68=75" ]
Current State: 75:[8, 56, 14, 82], Operations: [] Exploring Operation: 56/8=7, Resulting Numbers: [14, 82, 7] Generated Node #2: [14, 82, 7] from Operation: 56/8=7 Current State: 75:[14, 82, 7], Operations: ['56/8=7'] Exploring Operation: 82-14=68, Resulting Numbers: [7, 68] Generated Node #3: [7, 68] from Operation: 82-14=68 Current State: 75:[7, 68], Operations: ['56/8=7', '82-14=68'] Exploring Operation: 7+68=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
4
Current State: 75:[8, 56, 14, 82], Operations: [] Exploring Operation: 56/14=4, Resulting Numbers: [8, 82, 4] Generated Node #0,0: 75:[8, 82, 4] Operation: 56/14=4 Exploring Operation: 56/8=7, Resulting Numbers: [14, 82, 7] Generated Node #0,1: 75:[14, 82, 7] Operation: 56/8=7 Exploring Operation: 82-56=26, Resulting Numbers: [8, 14, 26] Generated Node #0,2: 75:[8, 14, 26] Operation: 82-56=26 Moving to Node #0,2 Current State: 75:[8, 14, 26], Operations: ['82-56=26'] Exploring Operation: 14-8=6, Resulting Numbers: [26, 6] Generated Node #0,2,0: 75:[26, 6] Operation: 14-8=6 Exploring Operation: 26-8=18, Resulting Numbers: [14, 18] Generated Node #0,2,1: 75:[14, 18] Operation: 26-8=18 Exploring Operation: 8+14=22, Resulting Numbers: [26, 22] Generated Node #0,2,2: 75:[26, 22] Operation: 8+14=22 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 75:[26, 6], Operations: ['82-56=26', '14-8=6'] Exploring Operation: 26+6=32, Resulting Numbers: [32] 32,75 unequal: No Solution Exploring Operation: 26-6=20, Resulting Numbers: [20] 20,75 unequal: No Solution Exploring Operation: 26*6=156, Resulting Numbers: [156] 156,75 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 #0,2,1 Current State: 75:[14, 18], Operations: ['82-56=26', '26-8=18'] Exploring Operation: 18-14=4, Resulting Numbers: [4] 4,75 unequal: No Solution Exploring Operation: 14+18=32, Resulting Numbers: [32] 32,75 unequal: No Solution Exploring Operation: 14*18=252, Resulting Numbers: [252] 252,75 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 #0,2,2 Current State: 75:[26, 22], Operations: ['82-56=26', '8+14=22'] Exploring Operation: 26+22=48, Resulting Numbers: [48] 48,75 unequal: No Solution Exploring Operation: 26-22=4, Resulting Numbers: [4] 4,75 unequal: No Solution Exploring Operation: 26*22=572, Resulting Numbers: [572] 572,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 75:[14, 82, 7], Operations: ['56/8=7'] Exploring Operation: 82-7=75, Resulting Numbers: [14, 75] Generated Node #0,1,0: 75:[14, 75] Operation: 82-7=75 Exploring Operation: 82-14=68, Resulting Numbers: [7, 68] Generated Node #0,1,1: 75:[7, 68] Operation: 82-14=68 Exploring Operation: 14/7=2, Resulting Numbers: [82, 2] Generated Node #0,1,2: 75:[82, 2] Operation: 14/7=2 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 75:[14, 75], Operations: ['56/8=7', '82-7=75'] Exploring Operation: 14*75=1050, Resulting Numbers: [1050] 1050,75 unequal: No Solution Exploring Operation: 75-14=61, Resulting Numbers: [61] 61,75 unequal: No Solution Exploring Operation: 14+75=89, Resulting Numbers: [89] 89,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 75:[82, 2], Operations: ['56/8=7', '14/7=2'] Exploring Operation: 82+2=84, Resulting Numbers: [84] 84,75 unequal: No Solution Exploring Operation: 82-2=80, Resulting Numbers: [80] 80,75 unequal: No Solution Exploring Operation: 82/2=41, Resulting Numbers: [41] 41,75 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 #0,1,1 Current State: 75:[7, 68], Operations: ['56/8=7', '82-14=68'] Exploring Operation: 7*68=476, Resulting Numbers: [476] 476,75 unequal: No Solution Exploring Operation: 68-7=61, Resulting Numbers: [61] 61,75 unequal: No Solution Exploring Operation: 7+68=75, Resulting Numbers: [75] 75,75 equal: Goal Reached Moving to Node #0 Current State: 75:[8, 56, 14, 82], Operations: [] Exploring Operation: 56/8=7, Resulting Numbers: [14, 82, 7] Generated Node #0,1: 75:[14, 82, 7] Operation: 56/8=7 Moving to Node #0,1 Current State: 75:[14, 82, 7], Operations: ['56/8=7'] Exploring Operation: 82-14=68, Resulting Numbers: [7, 68] Generated Node #0,1,1: 75:[7, 68] Operation: 82-14=68 Moving to Node #0,1,1 Current State: 75:[7, 68], Operations: ['56/8=7', '82-14=68'] Exploring Operation: 7+68=75, Resulting Numbers: [75] 75,75 equal: Goal Reached Exit Sub Search at level 1
0.97309
hs_3
sum_heuristic
[ 89, 20, 12, 1 ]
54
[ "89+1=90", "12*90=1080", "1080/20=54" ]
Current State: 54:[89, 20, 12, 1], Operations: [] Exploring Operation: 89+1=90, Resulting Numbers: [20, 12, 90] Generated Node #2: [20, 12, 90] from Operation: 89+1=90 Current State: 54:[20, 12, 90], Operations: ['89+1=90'] Exploring Operation: 12*90=1080, Resulting Numbers: [20, 1080] Generated Node #3: [20, 1080] from Operation: 12*90=1080 Current State: 54:[20, 1080], Operations: ['89+1=90', '12*90=1080'] Exploring Operation: 1080/20=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
4
Current State: 54:[89, 20, 12, 1], Operations: [] Exploring Operation: 20-12=8, Resulting Numbers: [89, 1, 8] Generated Node #0,0: 54:[89, 1, 8] Operation: 20-12=8 Exploring Operation: 89-20=69, Resulting Numbers: [12, 1, 69] Generated Node #0,1: 54:[12, 1, 69] Operation: 89-20=69 Exploring Operation: 89-12=77, Resulting Numbers: [20, 1, 77] Generated Node #0,2: 54:[20, 1, 77] Operation: 89-12=77 Start Sub Search at level 1: Moving to Node #0,1 Current State: 54:[12, 1, 69], Operations: ['89-20=69'] Exploring Operation: 69-1=68, Resulting Numbers: [12, 68] Generated Node #0,1,0: 54:[12, 68] Operation: 69-1=68 Exploring Operation: 12-1=11, Resulting Numbers: [69, 11] Generated Node #0,1,1: 54:[69, 11] Operation: 12-1=11 Exploring Operation: 69-12=57, Resulting Numbers: [1, 57] Generated Node #0,1,2: 54:[1, 57] Operation: 69-12=57 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 54:[1, 57], Operations: ['89-20=69', '69-12=57'] Exploring Operation: 57/1=57, Resulting Numbers: [57] 57,54 unequal: No Solution Exploring Operation: 57-1=56, Resulting Numbers: [56] 56,54 unequal: No Solution Exploring Operation: 1*57=57, Resulting Numbers: [57] 57,54 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 54:[12, 68], Operations: ['89-20=69', '69-1=68'] Exploring Operation: 68-12=56, Resulting Numbers: [56] 56,54 unequal: No Solution Exploring Operation: 12*68=816, Resulting Numbers: [816] 816,54 unequal: No Solution Exploring Operation: 12+68=80, Resulting Numbers: [80] 80,54 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 54:[69, 11], Operations: ['89-20=69', '12-1=11'] Exploring Operation: 69-11=58, Resulting Numbers: [58] 58,54 unequal: No Solution Exploring Operation: 69+11=80, Resulting Numbers: [80] 80,54 unequal: No Solution Exploring Operation: 69*11=759, Resulting Numbers: [759] 759,54 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 54:[20, 1, 77], Operations: ['89-12=77'] Exploring Operation: 77-20=57, Resulting Numbers: [1, 57] Generated Node #0,2,0: 54:[1, 57] Operation: 77-20=57 Exploring Operation: 77-1=76, Resulting Numbers: [20, 76] Generated Node #0,2,1: 54:[20, 76] Operation: 77-1=76 Exploring Operation: 20-1=19, Resulting Numbers: [77, 19] Generated Node #0,2,2: 54:[77, 19] Operation: 20-1=19 Moving to Node #0,2,0 Current State: 54:[1, 57], Operations: ['89-12=77', '77-20=57'] Exploring Operation: 57-1=56, Resulting Numbers: [56] 56,54 unequal: No Solution Exploring Operation: 57/1=57, Resulting Numbers: [57] 57,54 unequal: No Solution Exploring Operation: 1*57=57, Resulting Numbers: [57] 57,54 unequal: No Solution Moving to Node #0,2,1 Current State: 54:[20, 76], Operations: ['89-12=77', '77-1=76'] Exploring Operation: 20+76=96, Resulting Numbers: [96] 96,54 unequal: No Solution Exploring Operation: 76-20=56, Resulting Numbers: [56] 56,54 unequal: No Solution Exploring Operation: 20*76=1520, Resulting Numbers: [1520] 1520,54 unequal: No Solution Moving to Node #0,2,2 Current State: 54:[77, 19], Operations: ['89-12=77', '20-1=19'] Exploring Operation: 77-19=58, Resulting Numbers: [58] 58,54 unequal: No Solution Exploring Operation: 77+19=96, Resulting Numbers: [96] 96,54 unequal: No Solution Exploring Operation: 77*19=1463, Resulting Numbers: [1463] 1463,54 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:[89, 1, 8], Operations: ['20-12=8'] Exploring Operation: 1+8=9, Resulting Numbers: [89, 9] Generated Node #0,0,0: 54:[89, 9] Operation: 1+8=9 Exploring Operation: 89-8=81, Resulting Numbers: [1, 81] Generated Node #0,0,1: 54:[1, 81] Operation: 89-8=81 Exploring Operation: 89-1=88, Resulting Numbers: [8, 88] Generated Node #0,0,2: 54:[8, 88] Operation: 89-1=88 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 54:[1, 81], Operations: ['20-12=8', '89-8=81'] Exploring Operation: 1*81=81, Resulting Numbers: [81] 81,54 unequal: No Solution Exploring Operation: 81-1=80, Resulting Numbers: [80] 80,54 unequal: No Solution Exploring Operation: 81/1=81, Resulting Numbers: [81] 81,54 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 #0,0,0 Current State: 54:[89, 9], Operations: ['20-12=8', '1+8=9'] Exploring Operation: 89-9=80, Resulting Numbers: [80] 80,54 unequal: No Solution Exploring Operation: 89*9=801, Resulting Numbers: [801] 801,54 unequal: No Solution Exploring Operation: 89+9=98, Resulting Numbers: [98] 98,54 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:[8, 88], Operations: ['20-12=8', '89-1=88'] Exploring Operation: 8+88=96, Resulting Numbers: [96] 96,54 unequal: No Solution Exploring Operation: 88/8=11, Resulting Numbers: [11] 11,54 unequal: No Solution Exploring Operation: 88-8=80, Resulting Numbers: [80] 80,54 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 5, 79, 75, 97 ]
98
[ "79-5=74", "75+97=172", "172-74=98" ]
Current State: 98:[5, 79, 75, 97], Operations: [] Exploring Operation: 79-5=74, Resulting Numbers: [75, 97, 74] Generated Node #2: [75, 97, 74] from Operation: 79-5=74 Current State: 98:[75, 97, 74], Operations: ['79-5=74'] Exploring Operation: 75+97=172, Resulting Numbers: [74, 172] Generated Node #3: [74, 172] from Operation: 75+97=172 Current State: 98:[74, 172], Operations: ['79-5=74', '75+97=172'] Exploring Operation: 172-74=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
4
Current State: 98:[5, 79, 75, 97], Operations: [] Exploring Operation: 79-75=4, Resulting Numbers: [5, 97, 4] Generated Node #0,0: 98:[5, 97, 4] Operation: 79-75=4 Exploring Operation: 75/5=15, Resulting Numbers: [79, 97, 15] Generated Node #0,1: 98:[79, 97, 15] Operation: 75/5=15 Start Sub Search at level 1: Moving to Node #0,0 Current State: 98:[5, 97, 4], Operations: ['79-75=4'] Exploring Operation: 5+4=9, Resulting Numbers: [97, 9] Generated Node #0,0,0: 98:[97, 9] Operation: 5+4=9 Exploring Operation: 5-4=1, Resulting Numbers: [97, 1] Generated Node #0,0,1: 98:[97, 1] Operation: 5-4=1 Moving to Node #0,0,1 Current State: 98:[97, 1], Operations: ['79-75=4', '5-4=1'] Exploring Operation: 97+1=98, Resulting Numbers: [98] 98,98 equal: Goal Reached Moving to Node #0 Current State: 98:[5, 79, 75, 97], Operations: [] Exploring Operation: 79-75=4, Resulting Numbers: [5, 97, 4] Generated Node #0,0: 98:[5, 97, 4] Operation: 79-75=4 Moving to Node #0,0 Current State: 98:[5, 97, 4], Operations: ['79-75=4'] Exploring Operation: 5-4=1, Resulting Numbers: [97, 1] Generated Node #0,0,1: 98:[97, 1] Operation: 5-4=1 Moving to Node #0,0,1 Current State: 98:[97, 1], Operations: ['79-75=4', '5-4=1'] Exploring Operation: 97+1=98, Resulting Numbers: [98] 98,98 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
sum_heuristic
[ 42, 14, 92, 25 ]
39
[ "42-14=28", "92-25=67", "67-28=39" ]
Current State: 39:[42, 14, 92, 25], Operations: [] Exploring Operation: 42-14=28, Resulting Numbers: [92, 25, 28] Generated Node #2: [92, 25, 28] from Operation: 42-14=28 Current State: 39:[92, 25, 28], Operations: ['42-14=28'] Exploring Operation: 92-25=67, Resulting Numbers: [28, 67] Generated Node #3: [28, 67] from Operation: 92-25=67 Current State: 39:[28, 67], Operations: ['42-14=28', '92-25=67'] Exploring Operation: 67-28=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
4
Current State: 39:[42, 14, 92, 25], Operations: [] Exploring Operation: 92-42=50, Resulting Numbers: [14, 25, 50] Generated Node #0,0: 39:[14, 25, 50] Operation: 92-42=50 Exploring Operation: 92-14=78, Resulting Numbers: [42, 25, 78] Generated Node #0,1: 39:[42, 25, 78] Operation: 92-14=78 Exploring Operation: 14+25=39, Resulting Numbers: [42, 92, 39] Generated Node #0,2: 39:[42, 92, 39] Operation: 14+25=39 Exploring Operation: 92-25=67, Resulting Numbers: [42, 14, 67] Generated Node #0,3: 39:[42, 14, 67] Operation: 92-25=67 Exploring Operation: 42-25=17, Resulting Numbers: [14, 92, 17] Generated Node #0,4: 39:[14, 92, 17] Operation: 42-25=17 Start Sub Search at level 1: Moving to Node #0,0 Current State: 39:[14, 25, 50], Operations: ['92-42=50'] Exploring Operation: 25-14=11, Resulting Numbers: [50, 11] Generated Node #0,0,0: 39:[50, 11] Operation: 25-14=11 Exploring Operation: 50-14=36, Resulting Numbers: [25, 36] Generated Node #0,0,1: 39:[25, 36] Operation: 50-14=36 Exploring Operation: 14+25=39, Resulting Numbers: [50, 39] Generated Node #0,0,2: 39:[50, 39] Operation: 14+25=39 Exploring Operation: 50/25=2, Resulting Numbers: [14, 2] Generated Node #0,0,3: 39:[14, 2] Operation: 50/25=2 Exploring Operation: 50-25=25, Resulting Numbers: [14, 25] Generated Node #0,0,4: 39:[14, 25] Operation: 50-25=25 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 39:[14, 2], Operations: ['92-42=50', '50/25=2'] Exploring Operation: 14-2=12, Resulting Numbers: [12] 12,39 unequal: No Solution Exploring Operation: 14+2=16, Resulting Numbers: [16] 16,39 unequal: No Solution Exploring Operation: 14*2=28, Resulting Numbers: [28] 28,39 unequal: No Solution Exploring Operation: 14/2=7, Resulting Numbers: [7] 7,39 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 39:[50, 39], Operations: ['92-42=50', '14+25=39'] Exploring Operation: 50+39=89, Resulting Numbers: [89] 89,39 unequal: No Solution Exploring Operation: 50-39=11, Resulting Numbers: [11] 11,39 unequal: No Solution Exploring Operation: 50*39=1950, Resulting Numbers: [1950] 1950,39 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 39:[50, 11], Operations: ['92-42=50', '25-14=11'] Exploring Operation: 50+11=61, Resulting Numbers: [61] 61,39 unequal: No Solution Exploring Operation: 50-11=39, Resulting Numbers: [39] 39,39 equal: Goal Reached Moving to Node #0 Current State: 39:[42, 14, 92, 25], Operations: [] Exploring Operation: 92-42=50, Resulting Numbers: [14, 25, 50] Generated Node #0,0: 39:[14, 25, 50] Operation: 92-42=50 Moving to Node #0,0 Current State: 39:[14, 25, 50], Operations: ['92-42=50'] Exploring Operation: 25-14=11, Resulting Numbers: [50, 11] Generated Node #0,0,0: 39:[50, 11] Operation: 25-14=11 Moving to Node #0,0,0 Current State: 39:[50, 11], Operations: ['92-42=50', '25-14=11'] Exploring Operation: 50-11=39, Resulting Numbers: [39] 39,39 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.980035
hs_5
mult_heuristic
[ 49, 21, 27, 31 ]
81
[ "49-21=28", "31-28=3", "27*3=81" ]
Current State: 81:[49, 21, 27, 31], Operations: [] Exploring Operation: 49-21=28, Resulting Numbers: [27, 31, 28] Generated Node #2: [27, 31, 28] from Operation: 49-21=28 Current State: 81:[27, 31, 28], Operations: ['49-21=28'] Exploring Operation: 31-28=3, Resulting Numbers: [27, 3] Generated Node #3: [27, 3] from Operation: 31-28=3 Current State: 81:[27, 3], Operations: ['49-21=28', '31-28=3'] Exploring Operation: 27*3=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[49, 21, 27, 31], Operations: [] Exploring Operation: 49-21=28, Resulting Numbers: [27, 31, 28] Generated Node #0,0: 81:[27, 31, 28] Operation: 49-21=28 Exploring Operation: 49+31=80, Resulting Numbers: [21, 27, 80] Generated Node #0,1: 81:[21, 27, 80] Operation: 49+31=80 Exploring Operation: 49+21=70, Resulting Numbers: [27, 31, 70] Generated Node #0,2: 81:[27, 31, 70] Operation: 49+21=70 Exploring Operation: 49+27=76, Resulting Numbers: [21, 31, 76] Generated Node #0,3: 81:[21, 31, 76] Operation: 49+27=76 Moving to Node #0,0 Current State: 81:[27, 31, 28], Operations: ['49-21=28'] Exploring Operation: 31-27=4, Resulting Numbers: [28, 4] Generated Node #0,0,0: 81:[28, 4] Operation: 31-27=4 Exploring Operation: 31+28=59, Resulting Numbers: [27, 59] Generated Node #0,0,1: 81:[27, 59] Operation: 31+28=59 Exploring Operation: 28-27=1, Resulting Numbers: [31, 1] Generated Node #0,0,2: 81:[31, 1] Operation: 28-27=1 Exploring Operation: 31-28=3, Resulting Numbers: [27, 3] Generated Node #0,0,3: 81:[27, 3] Operation: 31-28=3 Moving to Node #0,1 Current State: 81:[21, 27, 80], Operations: ['49+31=80'] Exploring Operation: 21+27=48, Resulting Numbers: [80, 48] Generated Node #0,1,0: 81:[80, 48] Operation: 21+27=48 Exploring Operation: 27-21=6, Resulting Numbers: [80, 6] Generated Node #0,1,1: 81:[80, 6] Operation: 27-21=6 Exploring Operation: 21+80=101, Resulting Numbers: [27, 101] Generated Node #0,1,2: 81:[27, 101] Operation: 21+80=101 Exploring Operation: 80-21=59, Resulting Numbers: [27, 59] Generated Node #0,1,3: 81:[27, 59] Operation: 80-21=59 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 81:[80, 6], Operations: ['49+31=80', '27-21=6'] Exploring Operation: 80-6=74, Resulting Numbers: [74] 74,81 unequal: No Solution Exploring Operation: 80*6=480, Resulting Numbers: [480] 480,81 unequal: No Solution Exploring Operation: 80+6=86, Resulting Numbers: [86] 86,81 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 #0,1,2 Current State: 81:[27, 101], Operations: ['49+31=80', '21+80=101'] Exploring Operation: 101-27=74, Resulting Numbers: [74] 74,81 unequal: No Solution Exploring Operation: 27*101=2727, Resulting Numbers: [2727] 2727,81 unequal: No Solution Exploring Operation: 27+101=128, Resulting Numbers: [128] 128,81 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 #0,1,0 Current State: 81:[80, 48], Operations: ['49+31=80', '21+27=48'] Exploring Operation: 80-48=32, Resulting Numbers: [32] 32,81 unequal: No Solution Exploring Operation: 80+48=128, Resulting Numbers: [128] 128,81 unequal: No Solution Exploring Operation: 80*48=3840, Resulting Numbers: [3840] 3840,81 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 #0,1,3 Current State: 81:[27, 59], Operations: ['49+31=80', '80-21=59'] Exploring Operation: 27+59=86, Resulting Numbers: [86] 86,81 unequal: No Solution Exploring Operation: 59-27=32, Resulting Numbers: [32] 32,81 unequal: No Solution Exploring Operation: 27*59=1593, Resulting Numbers: [1593] 1593,81 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: 81:[21, 31, 76], Operations: ['49+27=76'] Exploring Operation: 76-31=45, Resulting Numbers: [21, 45] Generated Node #0,3,0: 81:[21, 45] Operation: 76-31=45 Exploring Operation: 21+31=52, Resulting Numbers: [76, 52] Generated Node #0,3,1: 81:[76, 52] Operation: 21+31=52 Exploring Operation: 21+76=97, Resulting Numbers: [31, 97] Generated Node #0,3,2: 81:[31, 97] Operation: 21+76=97 Exploring Operation: 31-21=10, Resulting Numbers: [76, 10] Generated Node #0,3,3: 81:[76, 10] Operation: 31-21=10 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 81:[76, 10], Operations: ['49+27=76', '31-21=10'] Exploring Operation: 76+10=86, Resulting Numbers: [86] 86,81 unequal: No Solution Exploring Operation: 76*10=760, Resulting Numbers: [760] 760,81 unequal: No Solution Exploring Operation: 76-10=66, Resulting Numbers: [66] 66,81 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 #0,3,2 Current State: 81:[31, 97], Operations: ['49+27=76', '21+76=97'] Exploring Operation: 31*97=3007, Resulting Numbers: [3007] 3007,81 unequal: No Solution Exploring Operation: 31+97=128, Resulting Numbers: [128] 128,81 unequal: No Solution Exploring Operation: 97-31=66, Resulting Numbers: [66] 66,81 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 #0,3,0 Current State: 81:[21, 45], Operations: ['49+27=76', '76-31=45'] Exploring Operation: 21+45=66, Resulting Numbers: [66] 66,81 unequal: No Solution Exploring Operation: 21*45=945, Resulting Numbers: [945] 945,81 unequal: No Solution Exploring Operation: 45-21=24, Resulting Numbers: [24] 24,81 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 #0,3,1 Current State: 81:[76, 52], Operations: ['49+27=76', '21+31=52'] Exploring Operation: 76+52=128, Resulting Numbers: [128] 128,81 unequal: No Solution Exploring Operation: 76*52=3952, Resulting Numbers: [3952] 3952,81 unequal: No Solution Exploring Operation: 76-52=24, Resulting Numbers: [24] 24,81 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: 81:[27, 31, 70], Operations: ['49+21=70'] Exploring Operation: 70-27=43, Resulting Numbers: [31, 43] Generated Node #0,2,0: 81:[31, 43] Operation: 70-27=43 Exploring Operation: 70-31=39, Resulting Numbers: [27, 39] Generated Node #0,2,1: 81:[27, 39] Operation: 70-31=39 Exploring Operation: 31-27=4, Resulting Numbers: [70, 4] Generated Node #0,2,2: 81:[70, 4] Operation: 31-27=4 Exploring Operation: 27+70=97, Resulting Numbers: [31, 97] Generated Node #0,2,3: 81:[31, 97] Operation: 27+70=97 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 81:[27, 39], Operations: ['49+21=70', '70-31=39'] Exploring Operation: 27*39=1053, Resulting Numbers: [1053] 1053,81 unequal: No Solution Exploring Operation: 27+39=66, Resulting Numbers: [66] 66,81 unequal: No Solution Exploring Operation: 39-27=12, Resulting Numbers: [12] 12,81 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 #0,2,2 Current State: 81:[70, 4], Operations: ['49+21=70', '31-27=4'] Exploring Operation: 70-4=66, Resulting Numbers: [66] 66,81 unequal: No Solution Exploring Operation: 70+4=74, Resulting Numbers: [74] 74,81 unequal: No Solution Exploring Operation: 70*4=280, Resulting Numbers: [280] 280,81 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:[31, 43], Operations: ['49+21=70', '70-27=43'] Exploring Operation: 31+43=74, Resulting Numbers: [74] 74,81 unequal: No Solution Exploring Operation: 31*43=1333, Resulting Numbers: [1333] 1333,81 unequal: No Solution Exploring Operation: 43-31=12, Resulting Numbers: [12] 12,81 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:[31, 97], Operations: ['49+21=70', '27+70=97'] Exploring Operation: 97-31=66, Resulting Numbers: [66] 66,81 unequal: No Solution Exploring Operation: 31*97=3007, Resulting Numbers: [3007] 3007,81 unequal: No Solution Exploring Operation: 31+97=128, Resulting Numbers: [128] 128,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,3 Current State: 81:[27, 3], Operations: ['49-21=28', '31-28=3'] Exploring Operation: 27+3=30, Resulting Numbers: [30] 30,81 unequal: No Solution Exploring Operation: 27-3=24, Resulting Numbers: [24] 24,81 unequal: No Solution Exploring Operation: 27*3=81, Resulting Numbers: [81] 81,81 equal: Goal Reached Moving to Node #0 Current State: 81:[49, 21, 27, 31], Operations: [] Exploring Operation: 49-21=28, Resulting Numbers: [27, 31, 28] Generated Node #0,0: 81:[27, 31, 28] Operation: 49-21=28 Moving to Node #0,0 Current State: 81:[27, 31, 28], Operations: ['49-21=28'] Exploring Operation: 31-28=3, Resulting Numbers: [27, 3] Generated Node #0,0,3: 81:[27, 3] Operation: 31-28=3 Moving to Node #0,0,3 Current State: 81:[27, 3], Operations: ['49-21=28', '31-28=3'] Exploring Operation: 27*3=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
0.945313
hs_4
mult_heuristic
[ 4, 16, 40, 57 ]
51
[ "40/4=10", "57-16=41", "10+41=51" ]
Current State: 51:[4, 16, 40, 57], Operations: [] Exploring Operation: 40/4=10, Resulting Numbers: [16, 57, 10] Generated Node #2: [16, 57, 10] from Operation: 40/4=10 Current State: 51:[16, 57, 10], Operations: ['40/4=10'] Exploring Operation: 57-16=41, Resulting Numbers: [10, 41] Generated Node #3: [10, 41] from Operation: 57-16=41 Current State: 51:[10, 41], Operations: ['40/4=10', '57-16=41'] Exploring Operation: 10+41=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[4, 16, 40, 57], Operations: [] Exploring Operation: 16+40=56, Resulting Numbers: [4, 57, 56] Generated Node #0,0: 51:[4, 57, 56] Operation: 16+40=56 Exploring Operation: 57-40=17, Resulting Numbers: [4, 16, 17] Generated Node #0,1: 51:[4, 16, 17] Operation: 57-40=17 Start Sub Search at level 1: Moving to Node #0,1 Current State: 51:[4, 16, 17], Operations: ['57-40=17'] Exploring Operation: 4+16=20, Resulting Numbers: [17, 20] Generated Node #0,1,0: 51:[17, 20] Operation: 4+16=20 Exploring Operation: 16/4=4, Resulting Numbers: [17, 4] Generated Node #0,1,1: 51:[17, 4] Operation: 16/4=4 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 51:[17, 4], Operations: ['57-40=17', '16/4=4'] Exploring Operation: 17+4=21, Resulting Numbers: [21] 21,51 unequal: No Solution Exploring Operation: 17-4=13, Resulting Numbers: [13] 13,51 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 51:[17, 20], Operations: ['57-40=17', '4+16=20'] Exploring Operation: 17+20=37, Resulting Numbers: [37] 37,51 unequal: No Solution Exploring Operation: 20-17=3, Resulting Numbers: [3] 3,51 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 51:[4, 57, 56], Operations: ['16+40=56'] Exploring Operation: 57-56=1, Resulting Numbers: [4, 1] Generated Node #0,0,0: 51:[4, 1] Operation: 57-56=1 Exploring Operation: 57-4=53, Resulting Numbers: [56, 53] Generated Node #0,0,1: 51:[56, 53] Operation: 57-4=53 Moving to Node #0,0,0 Current State: 51:[4, 1], Operations: ['16+40=56', '57-56=1'] Exploring Operation: 4-1=3, Resulting Numbers: [3] 3,51 unequal: No Solution Exploring Operation: 4*1=4, Resulting Numbers: [4] 4,51 unequal: No Solution Moving to Node #0,0,1 Current State: 51:[56, 53], Operations: ['16+40=56', '57-4=53'] Exploring Operation: 56+53=109, Resulting Numbers: [109] 109,51 unequal: No Solution Exploring Operation: 56-53=3, Resulting Numbers: [3] 3,51 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 1, 36, 36, 18 ]
16
[ "18-1=17", "36/36=1", "17-1=16" ]
Current State: 16:[1, 36, 36, 18], Operations: [] Exploring Operation: 18-1=17, Resulting Numbers: [36, 36, 17] Generated Node #2: [36, 36, 17] from Operation: 18-1=17 Current State: 16:[36, 36, 17], Operations: ['18-1=17'] Exploring Operation: 36/36=1, Resulting Numbers: [17, 1] Generated Node #3: [17, 1] from Operation: 36/36=1 Current State: 16:[17, 1], Operations: ['18-1=17', '36/36=1'] Exploring Operation: 17-1=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[1, 36, 36, 18], Operations: [] Exploring Operation: 36/18=2, Resulting Numbers: [1, 36, 2] Generated Node #0,0: 16:[1, 36, 2] Operation: 36/18=2 Exploring Operation: 36/36=1, Resulting Numbers: [1, 18, 1] Generated Node #0,1: 16:[1, 18, 1] Operation: 36/36=1 Exploring Operation: 36-36=0, Resulting Numbers: [1, 18, 0] Generated Node #0,2: 16:[1, 18, 0] Operation: 36-36=0 Start Sub Search at level 1: Moving to Node #0,1 Current State: 16:[1, 18, 1], Operations: ['36/36=1'] Exploring Operation: 1+1=2, Resulting Numbers: [18, 2] Generated Node #0,1,0: 16:[18, 2] Operation: 1+1=2 Exploring Operation: 18-1=17, Resulting Numbers: [1, 17] Generated Node #0,1,1: 16:[1, 17] Operation: 18-1=17 Exploring Operation: 18-1=17, Resulting Numbers: [1, 17] Generated Node #0,1,2: 16:[1, 17] Operation: 18-1=17 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 16:[18, 2], Operations: ['36/36=1', '1+1=2'] Exploring Operation: 18/2=9, Resulting Numbers: [9] 9,16 unequal: No Solution Exploring Operation: 18+2=20, Resulting Numbers: [20] 20,16 unequal: No Solution Exploring Operation: 18-2=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Moving to Node #0 Current State: 16:[1, 36, 36, 18], Operations: [] Exploring Operation: 36/36=1, Resulting Numbers: [1, 18, 1] Generated Node #0,1: 16:[1, 18, 1] Operation: 36/36=1 Moving to Node #0,1 Current State: 16:[1, 18, 1], Operations: ['36/36=1'] Exploring Operation: 1+1=2, Resulting Numbers: [18, 2] Generated Node #0,1,0: 16:[18, 2] Operation: 1+1=2 Moving to Node #0,1,0 Current State: 16:[18, 2], Operations: ['36/36=1', '1+1=2'] Exploring Operation: 18-2=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.988715
hs_3
sum_heuristic
[ 32, 52, 43, 64 ]
87
[ "52-32=20", "43+64=107", "107-20=87" ]
Current State: 87:[32, 52, 43, 64], Operations: [] Exploring Operation: 52-32=20, Resulting Numbers: [43, 64, 20] Generated Node #2: [43, 64, 20] from Operation: 52-32=20 Current State: 87:[43, 64, 20], Operations: ['52-32=20'] Exploring Operation: 43+64=107, Resulting Numbers: [20, 107] Generated Node #3: [20, 107] from Operation: 43+64=107 Current State: 87:[20, 107], Operations: ['52-32=20', '43+64=107'] Exploring Operation: 107-20=87, Resulting Numbers: [87] 87,87 equal: Goal Reached
4
Current State: 87:[32, 52, 43, 64], Operations: [] Exploring Operation: 64-52=12, Resulting Numbers: [32, 43, 12] Generated Node #0,0: 87:[32, 43, 12] Operation: 64-52=12 Exploring Operation: 52-43=9, Resulting Numbers: [32, 64, 9] Generated Node #0,1: 87:[32, 64, 9] Operation: 52-43=9 Start Sub Search at level 1: Moving to Node #0,0 Current State: 87:[32, 43, 12], Operations: ['64-52=12'] Exploring Operation: 43-32=11, Resulting Numbers: [12, 11] Generated Node #0,0,0: 87:[12, 11] Operation: 43-32=11 Exploring Operation: 43-12=31, Resulting Numbers: [32, 31] Generated Node #0,0,1: 87:[32, 31] Operation: 43-12=31 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 87:[32, 31], Operations: ['64-52=12', '43-12=31'] Exploring Operation: 32-31=1, Resulting Numbers: [1] 1,87 unequal: No Solution Exploring Operation: 32+31=63, Resulting Numbers: [63] 63,87 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 #0,0,0 Current State: 87:[12, 11], Operations: ['64-52=12', '43-32=11'] Exploring Operation: 12-11=1, Resulting Numbers: [1] 1,87 unequal: No Solution Exploring Operation: 12+11=23, Resulting Numbers: [23] 23,87 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 #0,1 Current State: 87:[32, 64, 9], Operations: ['52-43=9'] Exploring Operation: 64-32=32, Resulting Numbers: [9, 32] Generated Node #0,1,0: 87:[9, 32] Operation: 64-32=32 Exploring Operation: 64/32=2, Resulting Numbers: [9, 2] Generated Node #0,1,1: 87:[9, 2] Operation: 64/32=2 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 87:[9, 2], Operations: ['52-43=9', '64/32=2'] Exploring Operation: 9-2=7, Resulting Numbers: [7] 7,87 unequal: No Solution Exploring Operation: 9+2=11, Resulting Numbers: [11] 11,87 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 #0,1,0 Current State: 87:[9, 32], Operations: ['52-43=9', '64-32=32'] Exploring Operation: 32-9=23, Resulting Numbers: [23] 23,87 unequal: No Solution Exploring Operation: 9+32=41, Resulting Numbers: [41] 41,87 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 No solution found.
0
hs_2
mult_heuristic
[ 21, 75, 21, 63 ]
51
[ "75-21=54", "63/21=3", "54-3=51" ]
Current State: 51:[21, 75, 21, 63], Operations: [] Exploring Operation: 75-21=54, Resulting Numbers: [63, 54] Generated Node #2: [63, 54] from Operation: 75-21=54 Current State: 51:[63, 54], Operations: ['75-21=54'] Exploring Operation: 63/21=3, Resulting Numbers: [54, 3] Generated Node #3: [54, 3] from Operation: 63/21=3 Current State: 51:[54, 3], Operations: ['75-21=54', '63/21=3'] Exploring Operation: 54-3=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[21, 75, 21, 63], Operations: [] Exploring Operation: 75-63=12, Resulting Numbers: [21, 21, 12] Generated Node #0,0: 51:[21, 21, 12] Operation: 75-63=12 Exploring Operation: 63/21=3, Resulting Numbers: [21, 75, 3] Generated Node #0,1: 51:[21, 75, 3] Operation: 63/21=3 Exploring Operation: 63/21=3, Resulting Numbers: [75, 21, 3] Generated Node #0,2: 51:[75, 21, 3] Operation: 63/21=3 Exploring Operation: 75-21=54, Resulting Numbers: [21, 63, 54] Generated Node #0,3: 51:[21, 63, 54] Operation: 75-21=54 Exploring Operation: 75-21=54, Resulting Numbers: [21, 63, 54] Generated Node #0,4: 51:[21, 63, 54] Operation: 75-21=54 Moving to Node #0,0 Current State: 51:[21, 21, 12], Operations: ['75-63=12'] Exploring Operation: 21+21=42, Resulting Numbers: [12, 42] Generated Node #0,0,0: 51:[12, 42] Operation: 21+21=42 Exploring Operation: 21-12=9, Resulting Numbers: [21, 9] Generated Node #0,0,1: 51:[21, 9] Operation: 21-12=9 Exploring Operation: 21-12=9, Resulting Numbers: [21, 9] Generated Node #0,0,2: 51:[21, 9] Operation: 21-12=9 Exploring Operation: 21-21=0, Resulting Numbers: [12, 0] Generated Node #0,0,3: 51:[12, 0] Operation: 21-21=0 Exploring Operation: 21/21=1, Resulting Numbers: [12, 1] Generated Node #0,0,4: 51:[12, 1] Operation: 21/21=1 Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 51:[12, 1], Operations: ['75-63=12', '21/21=1'] Exploring Operation: 12/1=12, Resulting Numbers: [12] 12,51 unequal: No Solution Exploring Operation: 12*1=12, Resulting Numbers: [12] 12,51 unequal: No Solution Exploring Operation: 12-1=11, Resulting Numbers: [11] 11,51 unequal: No Solution Exploring Operation: 12+1=13, Resulting Numbers: [13] 13,51 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 51:[12, 0], Operations: ['75-63=12', '21-21=0'] Exploring Operation: 12+0=12, Resulting Numbers: [12] 12,51 unequal: No Solution Exploring Operation: 12*0=0, Resulting Numbers: [0] 0,51 unequal: No Solution Exploring Operation: 12-0=12, Resulting Numbers: [12] 12,51 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 51:[21, 9], Operations: ['75-63=12', '21-12=9'] Exploring Operation: 21*9=189, Resulting Numbers: [189] 189,51 unequal: No Solution Exploring Operation: 21+9=30, Resulting Numbers: [30] 30,51 unequal: No Solution Exploring Operation: 21-9=12, Resulting Numbers: [12] 12,51 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 51:[21, 9], Operations: ['75-63=12', '21-12=9'] Exploring Operation: 21*9=189, Resulting Numbers: [189] 189,51 unequal: No Solution Exploring Operation: 21-9=12, Resulting Numbers: [12] 12,51 unequal: No Solution Exploring Operation: 21+9=30, Resulting Numbers: [30] 30,51 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 51:[12, 42], Operations: ['75-63=12', '21+21=42'] Exploring Operation: 12+42=54, Resulting Numbers: [54] 54,51 unequal: No Solution Exploring Operation: 12*42=504, Resulting Numbers: [504] 504,51 unequal: No Solution Exploring Operation: 42-12=30, Resulting Numbers: [30] 30,51 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: 51:[21, 63, 54], Operations: ['75-21=54'] Exploring Operation: 63-21=42, Resulting Numbers: [54, 42] Generated Node #0,4,0: 51:[54, 42] Operation: 63-21=42 Exploring Operation: 21+63=84, Resulting Numbers: [54, 84] Generated Node #0,4,1: 51:[54, 84] Operation: 21+63=84 Exploring Operation: 63/21=3, Resulting Numbers: [54, 3] Generated Node #0,4,2: 51:[54, 3] Operation: 63/21=3 Exploring Operation: 54-21=33, Resulting Numbers: [63, 33] Generated Node #0,4,3: 51:[63, 33] Operation: 54-21=33 Exploring Operation: 63-54=9, Resulting Numbers: [21, 9] Generated Node #0,4,4: 51:[21, 9] Operation: 63-54=9 Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 51:[54, 3], Operations: ['75-21=54', '63/21=3'] Exploring Operation: 54*3=162, Resulting Numbers: [162] 162,51 unequal: No Solution Exploring Operation: 54/3=18, Resulting Numbers: [18] 18,51 unequal: No Solution Exploring Operation: 54+3=57, Resulting Numbers: [57] 57,51 unequal: No Solution Exploring Operation: 54-3=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Moving to Node #0 Current State: 51:[21, 75, 21, 63], Operations: [] Exploring Operation: 75-21=54, Resulting Numbers: [21, 63, 54] Generated Node #0,4: 51:[21, 63, 54] Operation: 75-21=54 Moving to Node #0,4 Current State: 51:[21, 63, 54], Operations: ['75-21=54'] Exploring Operation: 63/21=3, Resulting Numbers: [54, 3] Generated Node #0,4,2: 51:[54, 3] Operation: 63/21=3 Moving to Node #0,4,2 Current State: 51:[54, 3], Operations: ['75-21=54', '63/21=3'] Exploring Operation: 54-3=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Exit Sub Search at level 1
0.966146
hs_5
mult_heuristic
[ 43, 85, 53, 98 ]
83
[ "43+85=128", "98-53=45", "128-45=83" ]
Current State: 83:[43, 85, 53, 98], Operations: [] Exploring Operation: 43+85=128, Resulting Numbers: [53, 98, 128] Generated Node #2: [53, 98, 128] from Operation: 43+85=128 Current State: 83:[53, 98, 128], Operations: ['43+85=128'] Exploring Operation: 98-53=45, Resulting Numbers: [128, 45] Generated Node #3: [128, 45] from Operation: 98-53=45 Current State: 83:[128, 45], Operations: ['43+85=128', '98-53=45'] Exploring Operation: 128-45=83, Resulting Numbers: [83] 83,83 equal: Goal Reached
4
Current State: 83:[43, 85, 53, 98], Operations: [] Exploring Operation: 85-43=42, Resulting Numbers: [53, 98, 42] Generated Node #0,0: 83:[53, 98, 42] Operation: 85-43=42 Exploring Operation: 98-53=45, Resulting Numbers: [43, 85, 45] Generated Node #0,1: 83:[43, 85, 45] Operation: 98-53=45 Exploring Operation: 43+53=96, Resulting Numbers: [85, 98, 96] Generated Node #0,2: 83:[85, 98, 96] Operation: 43+53=96 Exploring Operation: 98-43=55, Resulting Numbers: [85, 53, 55] Generated Node #0,3: 83:[85, 53, 55] Operation: 98-43=55 Exploring Operation: 43+85=128, Resulting Numbers: [53, 98, 128] Generated Node #0,4: 83:[53, 98, 128] Operation: 43+85=128 Start Sub Search at level 1: Moving to Node #0,2 Current State: 83:[85, 98, 96], Operations: ['43+53=96'] Exploring Operation: 85+98=183, Resulting Numbers: [96, 183] Generated Node #0,2,0: 83:[96, 183] Operation: 85+98=183 Exploring Operation: 96-85=11, Resulting Numbers: [98, 11] Generated Node #0,2,1: 83:[98, 11] Operation: 96-85=11 Exploring Operation: 98-85=13, Resulting Numbers: [96, 13] Generated Node #0,2,2: 83:[96, 13] Operation: 98-85=13 Exploring Operation: 98-96=2, Resulting Numbers: [85, 2] Generated Node #0,2,3: 83:[85, 2] Operation: 98-96=2 Exploring Operation: 85+96=181, Resulting Numbers: [98, 181] Generated Node #0,2,4: 83:[98, 181] Operation: 85+96=181 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 83:[96, 13], Operations: ['43+53=96', '98-85=13'] Exploring Operation: 96+13=109, Resulting Numbers: [109] 109,83 unequal: No Solution Exploring Operation: 96*13=1248, Resulting Numbers: [1248] 1248,83 unequal: No Solution Exploring Operation: 96-13=83, Resulting Numbers: [83] 83,83 equal: Goal Reached Moving to Node #0 Current State: 83:[43, 85, 53, 98], Operations: [] Exploring Operation: 43+53=96, Resulting Numbers: [85, 98, 96] Generated Node #0,2: 83:[85, 98, 96] Operation: 43+53=96 Moving to Node #0,2 Current State: 83:[85, 98, 96], Operations: ['43+53=96'] Exploring Operation: 98-85=13, Resulting Numbers: [96, 13] Generated Node #0,2,2: 83:[96, 13] Operation: 98-85=13 Moving to Node #0,2,2 Current State: 83:[96, 13], Operations: ['43+53=96', '98-85=13'] Exploring Operation: 96-13=83, Resulting Numbers: [83] 83,83 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.985243
hs_5
mult_heuristic
[ 19, 53, 22, 12 ]
44
[ "53-19=34", "22-12=10", "34+10=44" ]
Current State: 44:[19, 53, 22, 12], Operations: [] Exploring Operation: 53-19=34, Resulting Numbers: [22, 12, 34] Generated Node #2: [22, 12, 34] from Operation: 53-19=34 Current State: 44:[22, 12, 34], Operations: ['53-19=34'] Exploring Operation: 22-12=10, Resulting Numbers: [34, 10] Generated Node #3: [34, 10] from Operation: 22-12=10 Current State: 44:[34, 10], Operations: ['53-19=34', '22-12=10'] Exploring Operation: 34+10=44, Resulting Numbers: [44] 44,44 equal: Goal Reached
4
Current State: 44:[19, 53, 22, 12], Operations: [] Exploring Operation: 53-19=34, Resulting Numbers: [22, 12, 34] Generated Node #0,0: 44:[22, 12, 34] Operation: 53-19=34 Exploring Operation: 19-12=7, Resulting Numbers: [53, 22, 7] Generated Node #0,1: 44:[53, 22, 7] Operation: 19-12=7 Exploring Operation: 22-19=3, Resulting Numbers: [53, 12, 3] Generated Node #0,2: 44:[53, 12, 3] Operation: 22-19=3 Exploring Operation: 19+22=41, Resulting Numbers: [53, 12, 41] Generated Node #0,3: 44:[53, 12, 41] Operation: 19+22=41 Exploring Operation: 53-12=41, Resulting Numbers: [19, 22, 41] Generated Node #0,4: 44:[19, 22, 41] Operation: 53-12=41 Moving to Node #0,4 Current State: 44:[19, 22, 41], Operations: ['53-12=41'] Exploring Operation: 22-19=3, Resulting Numbers: [41, 3] Generated Node #0,4,0: 44:[41, 3] Operation: 22-19=3 Exploring Operation: 41-22=19, Resulting Numbers: [19, 19] Generated Node #0,4,1: 44:[19, 19] Operation: 41-22=19 Exploring Operation: 41-19=22, Resulting Numbers: [22, 22] Generated Node #0,4,2: 44:[22, 22] Operation: 41-19=22 Exploring Operation: 19+41=60, Resulting Numbers: [22, 60] Generated Node #0,4,3: 44:[22, 60] Operation: 19+41=60 Exploring Operation: 19+22=41, Resulting Numbers: [41, 41] Generated Node #0,4,4: 44:[41, 41] Operation: 19+22=41 Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 44:[22, 22], Operations: ['53-12=41', '41-19=22'] Exploring Operation: 22/22=1, Resulting Numbers: [1] 1,44 unequal: No Solution Exploring Operation: 22-22=0, Resulting Numbers: [0] 0,44 unequal: No Solution Exploring Operation: 22+22=44, Resulting Numbers: [44] 44,44 equal: Goal Reached Moving to Node #0 Current State: 44:[19, 53, 22, 12], Operations: [] Exploring Operation: 53-12=41, Resulting Numbers: [19, 22, 41] Generated Node #0,4: 44:[19, 22, 41] Operation: 53-12=41 Moving to Node #0,4 Current State: 44:[19, 22, 41], Operations: ['53-12=41'] Exploring Operation: 41-19=22, Resulting Numbers: [22, 22] Generated Node #0,4,2: 44:[22, 22] Operation: 41-19=22 Moving to Node #0,4,2 Current State: 44:[22, 22], Operations: ['53-12=41', '41-19=22'] Exploring Operation: 22+22=44, Resulting Numbers: [44] 44,44 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_5
mult_heuristic
[ 38, 72, 54, 38 ]
50
[ "72-38=34", "54-38=16", "34+16=50" ]
Current State: 50:[38, 72, 54, 38], Operations: [] Exploring Operation: 72-38=34, Resulting Numbers: [54, 34] Generated Node #2: [54, 34] from Operation: 72-38=34 Current State: 50:[54, 34], Operations: ['72-38=34'] Exploring Operation: 54-38=16, Resulting Numbers: [34, 16] Generated Node #3: [34, 16] from Operation: 54-38=16 Current State: 50:[34, 16], Operations: ['72-38=34', '54-38=16'] Exploring Operation: 34+16=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[38, 72, 54, 38], Operations: [] Exploring Operation: 72-38=34, Resulting Numbers: [54, 38, 34] Generated Node #0,0: 50:[54, 38, 34] Operation: 72-38=34 Moving to Node #0,0 Current State: 50:[54, 38, 34], Operations: ['72-38=34'] Exploring Operation: 38-34=4, Resulting Numbers: [54, 4] Generated Node #0,0,0: 50:[54, 4] Operation: 38-34=4 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 50:[54, 4], Operations: ['72-38=34', '38-34=4'] Exploring Operation: 54-4=50, Resulting Numbers: [50] 50,50 equal: Goal Reached Moving to Node #0 Current State: 50:[38, 72, 54, 38], Operations: [] Exploring Operation: 72-38=34, Resulting Numbers: [54, 38, 34] Generated Node #0,0: 50:[54, 38, 34] Operation: 72-38=34 Moving to Node #0,0 Current State: 50:[54, 38, 34], Operations: ['72-38=34'] Exploring Operation: 38-34=4, Resulting Numbers: [54, 4] Generated Node #0,0,0: 50:[54, 4] Operation: 38-34=4 Moving to Node #0,0,0 Current State: 50:[54, 4], Operations: ['72-38=34', '38-34=4'] Exploring Operation: 54-4=50, Resulting Numbers: [50] 50,50 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 14, 67, 33, 53 ]
32
[ "67-14=53", "53/53=1", "33-1=32" ]
Current State: 32:[14, 67, 33, 53], Operations: [] Exploring Operation: 67-14=53, Resulting Numbers: [33, 53, 53] Generated Node #2: [33, 53, 53] from Operation: 67-14=53 Current State: 32:[33, 53, 53], Operations: ['67-14=53'] Exploring Operation: 53/53=1, Resulting Numbers: [33, 1] Generated Node #3: [33, 1] from Operation: 53/53=1 Current State: 32:[33, 1], Operations: ['67-14=53', '53/53=1'] Exploring Operation: 33-1=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[14, 67, 33, 53], Operations: [] Exploring Operation: 67-33=34, Resulting Numbers: [14, 53, 34] Generated Node #0,0: 32:[14, 53, 34] Operation: 67-33=34 Exploring Operation: 67-14=53, Resulting Numbers: [33, 53, 53] Generated Node #0,1: 32:[33, 53, 53] Operation: 67-14=53 Exploring Operation: 67-53=14, Resulting Numbers: [14, 33, 14] Generated Node #0,2: 32:[14, 33, 14] Operation: 67-53=14 Exploring Operation: 53-14=39, Resulting Numbers: [67, 33, 39] Generated Node #0,3: 32:[67, 33, 39] Operation: 53-14=39 Exploring Operation: 53-33=20, Resulting Numbers: [14, 67, 20] Generated Node #0,4: 32:[14, 67, 20] Operation: 53-33=20 Start Sub Search at level 1: Moving to Node #0,2 Current State: 32:[14, 33, 14], Operations: ['67-53=14'] Exploring Operation: 14/14=1, Resulting Numbers: [33, 1] Generated Node #0,2,0: 32:[33, 1] Operation: 14/14=1 Exploring Operation: 14-14=0, Resulting Numbers: [33, 0] Generated Node #0,2,1: 32:[33, 0] Operation: 14-14=0 Exploring Operation: 33-14=19, Resulting Numbers: [14, 19] Generated Node #0,2,2: 32:[14, 19] Operation: 33-14=19 Exploring Operation: 33-14=19, Resulting Numbers: [14, 19] Generated Node #0,2,3: 32:[14, 19] Operation: 33-14=19 Exploring Operation: 14+14=28, Resulting Numbers: [33, 28] Generated Node #0,2,4: 32:[33, 28] Operation: 14+14=28 Moving to Node #0,2,0 Current State: 32:[33, 1], Operations: ['67-53=14', '14/14=1'] Exploring Operation: 33-1=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Moving to Node #0 Current State: 32:[14, 67, 33, 53], Operations: [] Exploring Operation: 67-53=14, Resulting Numbers: [14, 33, 14] Generated Node #0,2: 32:[14, 33, 14] Operation: 67-53=14 Moving to Node #0,2 Current State: 32:[14, 33, 14], Operations: ['67-53=14'] Exploring Operation: 14/14=1, Resulting Numbers: [33, 1] Generated Node #0,2,0: 32:[33, 1] Operation: 14/14=1 Moving to Node #0,2,0 Current State: 32:[33, 1], Operations: ['67-53=14', '14/14=1'] Exploring Operation: 33-1=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_5
mult_heuristic
[ 44, 93, 23, 19 ]
53
[ "93-44=49", "23-19=4", "49+4=53" ]
Current State: 53:[44, 93, 23, 19], Operations: [] Exploring Operation: 93-44=49, Resulting Numbers: [23, 19, 49] Generated Node #2: [23, 19, 49] from Operation: 93-44=49 Current State: 53:[23, 19, 49], Operations: ['93-44=49'] Exploring Operation: 23-19=4, Resulting Numbers: [49, 4] Generated Node #3: [49, 4] from Operation: 23-19=4 Current State: 53:[49, 4], Operations: ['93-44=49', '23-19=4'] Exploring Operation: 49+4=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[44, 93, 23, 19], Operations: [] Exploring Operation: 93-23=70, Resulting Numbers: [44, 19, 70] Generated Node #0,0: 53:[44, 19, 70] Operation: 93-23=70 Exploring Operation: 93-44=49, Resulting Numbers: [23, 19, 49] Generated Node #0,1: 53:[23, 19, 49] Operation: 93-44=49 Exploring Operation: 93-19=74, Resulting Numbers: [44, 23, 74] Generated Node #0,2: 53:[44, 23, 74] Operation: 93-19=74 Exploring Operation: 23+19=42, Resulting Numbers: [44, 93, 42] Generated Node #0,3: 53:[44, 93, 42] Operation: 23+19=42 Moving to Node #0,0 Current State: 53:[44, 19, 70], Operations: ['93-23=70'] Exploring Operation: 19+70=89, Resulting Numbers: [44, 89] Generated Node #0,0,0: 53:[44, 89] Operation: 19+70=89 Exploring Operation: 44+19=63, Resulting Numbers: [70, 63] Generated Node #0,0,1: 53:[70, 63] Operation: 44+19=63 Exploring Operation: 70-19=51, Resulting Numbers: [44, 51] Generated Node #0,0,2: 53:[44, 51] Operation: 70-19=51 Exploring Operation: 44-19=25, Resulting Numbers: [70, 25] Generated Node #0,0,3: 53:[70, 25] Operation: 44-19=25 Moving to Node #0,3 Current State: 53:[44, 93, 42], Operations: ['23+19=42'] Exploring Operation: 93-42=51, Resulting Numbers: [44, 51] Generated Node #0,3,0: 53:[44, 51] Operation: 93-42=51 Exploring Operation: 93-44=49, Resulting Numbers: [42, 49] Generated Node #0,3,1: 53:[42, 49] Operation: 93-44=49 Exploring Operation: 44-42=2, Resulting Numbers: [93, 2] Generated Node #0,3,2: 53:[93, 2] Operation: 44-42=2 Exploring Operation: 44+42=86, Resulting Numbers: [93, 86] Generated Node #0,3,3: 53:[93, 86] Operation: 44+42=86 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 53:[44, 51], Operations: ['23+19=42', '93-42=51'] Exploring Operation: 44*51=2244, Resulting Numbers: [2244] 2244,53 unequal: No Solution Exploring Operation: 51-44=7, Resulting Numbers: [7] 7,53 unequal: No Solution Exploring Operation: 44+51=95, Resulting Numbers: [95] 95,53 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 #0,3,1 Current State: 53:[42, 49], Operations: ['23+19=42', '93-44=49'] Exploring Operation: 42+49=91, Resulting Numbers: [91] 91,53 unequal: No Solution Exploring Operation: 42*49=2058, Resulting Numbers: [2058] 2058,53 unequal: No Solution Exploring Operation: 49-42=7, Resulting Numbers: [7] 7,53 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 #0,3,3 Current State: 53:[93, 86], Operations: ['23+19=42', '44+42=86'] Exploring Operation: 93-86=7, Resulting Numbers: [7] 7,53 unequal: No Solution Exploring Operation: 93*86=7998, Resulting Numbers: [7998] 7998,53 unequal: No Solution Exploring Operation: 93+86=179, Resulting Numbers: [179] 179,53 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 #0,3,2 Current State: 53:[93, 2], Operations: ['23+19=42', '44-42=2'] Exploring Operation: 93-2=91, Resulting Numbers: [91] 91,53 unequal: No Solution Exploring Operation: 93+2=95, Resulting Numbers: [95] 95,53 unequal: No Solution Exploring Operation: 93*2=186, Resulting Numbers: [186] 186,53 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: 53:[44, 23, 74], Operations: ['93-19=74'] Exploring Operation: 44+23=67, Resulting Numbers: [74, 67] Generated Node #0,2,0: 53:[74, 67] Operation: 44+23=67 Exploring Operation: 44-23=21, Resulting Numbers: [74, 21] Generated Node #0,2,1: 53:[74, 21] Operation: 44-23=21 Exploring Operation: 74-44=30, Resulting Numbers: [23, 30] Generated Node #0,2,2: 53:[23, 30] Operation: 74-44=30 Exploring Operation: 74-23=51, Resulting Numbers: [44, 51] Generated Node #0,2,3: 53:[44, 51] Operation: 74-23=51 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 53:[44, 51], Operations: ['93-19=74', '74-23=51'] Exploring Operation: 51-44=7, Resulting Numbers: [7] 7,53 unequal: No Solution Exploring Operation: 44+51=95, Resulting Numbers: [95] 95,53 unequal: No Solution Exploring Operation: 44*51=2244, Resulting Numbers: [2244] 2244,53 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 #0,2,0 Current State: 53:[74, 67], Operations: ['93-19=74', '44+23=67'] Exploring Operation: 74+67=141, Resulting Numbers: [141] 141,53 unequal: No Solution Exploring Operation: 74*67=4958, Resulting Numbers: [4958] 4958,53 unequal: No Solution Exploring Operation: 74-67=7, Resulting Numbers: [7] 7,53 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 #0,2,1 Current State: 53:[74, 21], Operations: ['93-19=74', '44-23=21'] Exploring Operation: 74+21=95, Resulting Numbers: [95] 95,53 unequal: No Solution Exploring Operation: 74-21=53, Resulting Numbers: [53] 53,53 equal: Goal Reached Moving to Node #0 Current State: 53:[44, 93, 23, 19], Operations: [] Exploring Operation: 93-19=74, Resulting Numbers: [44, 23, 74] Generated Node #0,2: 53:[44, 23, 74] Operation: 93-19=74 Moving to Node #0,2 Current State: 53:[44, 23, 74], Operations: ['93-19=74'] Exploring Operation: 44-23=21, Resulting Numbers: [74, 21] Generated Node #0,2,1: 53:[74, 21] Operation: 44-23=21 Moving to Node #0,2,1 Current State: 53:[74, 21], Operations: ['93-19=74', '44-23=21'] Exploring Operation: 74-21=53, Resulting Numbers: [53] 53,53 equal: Goal Reached Exit Sub Search at level 1
0.965278
hs_4
sum_heuristic
[ 61, 95, 44, 39 ]
39
[ "95-61=34", "44-39=5", "34+5=39" ]
Current State: 39:[61, 95, 44, 39], Operations: [] Exploring Operation: 95-61=34, Resulting Numbers: [44, 39, 34] Generated Node #2: [44, 39, 34] from Operation: 95-61=34 Current State: 39:[44, 39, 34], Operations: ['95-61=34'] Exploring Operation: 44-39=5, Resulting Numbers: [34, 5] Generated Node #3: [34, 5] from Operation: 44-39=5 Current State: 39:[34, 5], Operations: ['95-61=34', '44-39=5'] Exploring Operation: 34+5=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
4
Current State: 39:[61, 95, 44, 39], Operations: [] Exploring Operation: 95-39=56, Resulting Numbers: [61, 44, 56] Generated Node #0,0: 39:[61, 44, 56] Operation: 95-39=56 Exploring Operation: 95-44=51, Resulting Numbers: [61, 39, 51] Generated Node #0,1: 39:[61, 39, 51] Operation: 95-44=51 Exploring Operation: 95-61=34, Resulting Numbers: [44, 39, 34] Generated Node #0,2: 39:[44, 39, 34] Operation: 95-61=34 Moving to Node #0,2 Current State: 39:[44, 39, 34], Operations: ['95-61=34'] Exploring Operation: 44-39=5, Resulting Numbers: [34, 5] Generated Node #0,2,0: 39:[34, 5] Operation: 44-39=5 Exploring Operation: 39-34=5, Resulting Numbers: [44, 5] Generated Node #0,2,1: 39:[44, 5] Operation: 39-34=5 Exploring Operation: 44-34=10, Resulting Numbers: [39, 10] Generated Node #0,2,2: 39:[39, 10] Operation: 44-34=10 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 39:[39, 10], Operations: ['95-61=34', '44-34=10'] Exploring Operation: 39+10=49, Resulting Numbers: [49] 49,39 unequal: No Solution Exploring Operation: 39-10=29, Resulting Numbers: [29] 29,39 unequal: No Solution Exploring Operation: 39*10=390, Resulting Numbers: [390] 390,39 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 #0,2,0 Current State: 39:[34, 5], Operations: ['95-61=34', '44-39=5'] Exploring Operation: 34*5=170, Resulting Numbers: [170] 170,39 unequal: No Solution Exploring Operation: 34+5=39, Resulting Numbers: [39] 39,39 equal: Goal Reached Moving to Node #0 Current State: 39:[61, 95, 44, 39], Operations: [] Exploring Operation: 95-61=34, Resulting Numbers: [44, 39, 34] Generated Node #0,2: 39:[44, 39, 34] Operation: 95-61=34 Moving to Node #0,2 Current State: 39:[44, 39, 34], Operations: ['95-61=34'] Exploring Operation: 44-39=5, Resulting Numbers: [34, 5] Generated Node #0,2,0: 39:[34, 5] Operation: 44-39=5 Moving to Node #0,2,0 Current State: 39:[34, 5], Operations: ['95-61=34', '44-39=5'] Exploring Operation: 34+5=39, Resulting Numbers: [39] 39,39 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_3
sum_heuristic
[ 77, 82, 6, 48 ]
49
[ "82-77=5", "6+48=54", "54-5=49" ]
Current State: 49:[77, 82, 6, 48], Operations: [] Exploring Operation: 82-77=5, Resulting Numbers: [6, 48, 5] Generated Node #2: [6, 48, 5] from Operation: 82-77=5 Current State: 49:[6, 48, 5], Operations: ['82-77=5'] Exploring Operation: 6+48=54, Resulting Numbers: [5, 54] Generated Node #3: [5, 54] from Operation: 6+48=54 Current State: 49:[5, 54], Operations: ['82-77=5', '6+48=54'] Exploring Operation: 54-5=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
4
Current State: 49:[77, 82, 6, 48], Operations: [] Exploring Operation: 77-48=29, Resulting Numbers: [82, 6, 29] Generated Node #0,0: 49:[82, 6, 29] Operation: 77-48=29 Exploring Operation: 82-48=34, Resulting Numbers: [77, 6, 34] Generated Node #0,1: 49:[77, 6, 34] Operation: 82-48=34 Exploring Operation: 82-77=5, Resulting Numbers: [6, 48, 5] Generated Node #0,2: 49:[6, 48, 5] Operation: 82-77=5 Start Sub Search at level 1: Moving to Node #0,2 Current State: 49:[6, 48, 5], Operations: ['82-77=5'] Exploring Operation: 48/6=8, Resulting Numbers: [5, 8] Generated Node #0,2,0: 49:[5, 8] Operation: 48/6=8 Exploring Operation: 48+5=53, Resulting Numbers: [6, 53] Generated Node #0,2,1: 49:[6, 53] Operation: 48+5=53 Exploring Operation: 6+5=11, Resulting Numbers: [48, 11] Generated Node #0,2,2: 49:[48, 11] Operation: 6+5=11 Moving to Node #0,2,0 Current State: 49:[5, 8], Operations: ['82-77=5', '48/6=8'] Exploring Operation: 5+8=13, Resulting Numbers: [13] 13,49 unequal: No Solution Exploring Operation: 8-5=3, Resulting Numbers: [3] 3,49 unequal: No Solution Exploring Operation: 5*8=40, Resulting Numbers: [40] 40,49 unequal: No Solution Moving to Node #0,2,1 Current State: 49:[6, 53], Operations: ['82-77=5', '48+5=53'] Exploring Operation: 53-6=47, Resulting Numbers: [47] 47,49 unequal: No Solution Exploring Operation: 6*53=318, Resulting Numbers: [318] 318,49 unequal: No Solution Exploring Operation: 6+53=59, Resulting Numbers: [59] 59,49 unequal: No Solution Moving to Node #0,2,2 Current State: 49:[48, 11], Operations: ['82-77=5', '6+5=11'] Exploring Operation: 48-11=37, Resulting Numbers: [37] 37,49 unequal: No Solution Exploring Operation: 48+11=59, Resulting Numbers: [59] 59,49 unequal: No Solution Exploring Operation: 48*11=528, Resulting Numbers: [528] 528,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 49:[77, 6, 34], Operations: ['82-48=34'] Exploring Operation: 77-6=71, Resulting Numbers: [34, 71] Generated Node #0,1,0: 49:[34, 71] Operation: 77-6=71 Exploring Operation: 77-34=43, Resulting Numbers: [6, 43] Generated Node #0,1,1: 49:[6, 43] Operation: 77-34=43 Exploring Operation: 6+34=40, Resulting Numbers: [77, 40] Generated Node #0,1,2: 49:[77, 40] Operation: 6+34=40 Moving to Node #0,1,1 Current State: 49:[6, 43], Operations: ['82-48=34', '77-34=43'] Exploring Operation: 6*43=258, Resulting Numbers: [258] 258,49 unequal: No Solution Exploring Operation: 6+43=49, Resulting Numbers: [49] 49,49 equal: Goal Reached Moving to Node #0 Current State: 49:[77, 82, 6, 48], Operations: [] Exploring Operation: 82-48=34, Resulting Numbers: [77, 6, 34] Generated Node #0,1: 49:[77, 6, 34] Operation: 82-48=34 Moving to Node #0,1 Current State: 49:[77, 6, 34], Operations: ['82-48=34'] Exploring Operation: 77-34=43, Resulting Numbers: [6, 43] Generated Node #0,1,1: 49:[6, 43] Operation: 77-34=43 Moving to Node #0,1,1 Current State: 49:[6, 43], Operations: ['82-48=34', '77-34=43'] Exploring Operation: 6+43=49, Resulting Numbers: [49] 49,49 equal: Goal Reached Exit Sub Search at level 1
0.979167
hs_3
sum_heuristic
[ 63, 36, 37, 73 ]
63
[ "63+36=99", "73-37=36", "99-36=63" ]
Current State: 63:[63, 36, 37, 73], Operations: [] Exploring Operation: 63+36=99, Resulting Numbers: [37, 73, 99] Generated Node #2: [37, 73, 99] from Operation: 63+36=99 Current State: 63:[37, 73, 99], Operations: ['63+36=99'] Exploring Operation: 73-37=36, Resulting Numbers: [99, 36] Generated Node #3: [99, 36] from Operation: 73-37=36 Current State: 63:[99, 36], Operations: ['63+36=99', '73-37=36'] Exploring Operation: 99-36=63, Resulting Numbers: [63] 63,63 equal: Goal Reached
4
Current State: 63:[63, 36, 37, 73], Operations: [] Exploring Operation: 37-36=1, Resulting Numbers: [63, 73, 1] Generated Node #0,0: 63:[63, 73, 1] Operation: 37-36=1 Moving to Node #0,0 Current State: 63:[63, 73, 1], Operations: ['37-36=1'] Exploring Operation: 73-63=10, Resulting Numbers: [1, 10] Generated Node #0,0,0: 63:[1, 10] Operation: 73-63=10 Moving to Node #0,0,0 Current State: 63:[1, 10], Operations: ['37-36=1', '73-63=10'] Exploring Operation: 10-1=9, Resulting Numbers: [9] 9,63 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 38, 80, 91, 29 ]
99
[ "38-29=9", "91-80=11", "9*11=99" ]
Current State: 99:[38, 80, 91, 29], Operations: [] Exploring Operation: 38-29=9, Resulting Numbers: [80, 91, 9] Generated Node #2: [80, 91, 9] from Operation: 38-29=9 Current State: 99:[80, 91, 9], Operations: ['38-29=9'] Exploring Operation: 91-80=11, Resulting Numbers: [9, 11] Generated Node #3: [9, 11] from Operation: 91-80=11 Current State: 99:[9, 11], Operations: ['38-29=9', '91-80=11'] Exploring Operation: 9*11=99, Resulting Numbers: [99] 99,99 equal: Goal Reached
4
Current State: 99:[38, 80, 91, 29], Operations: [] Exploring Operation: 38+80=118, Resulting Numbers: [91, 29, 118] Generated Node #0,0: 99:[91, 29, 118] Operation: 38+80=118 Exploring Operation: 38-29=9, Resulting Numbers: [80, 91, 9] Generated Node #0,1: 99:[80, 91, 9] Operation: 38-29=9 Exploring Operation: 91-80=11, Resulting Numbers: [38, 29, 11] Generated Node #0,2: 99:[38, 29, 11] Operation: 91-80=11 Exploring Operation: 80+29=109, Resulting Numbers: [38, 91, 109] Generated Node #0,3: 99:[38, 91, 109] Operation: 80+29=109 Exploring Operation: 80-38=42, Resulting Numbers: [91, 29, 42] Generated Node #0,4: 99:[91, 29, 42] Operation: 80-38=42 Start Sub Search at level 1: Moving to Node #0,2 Current State: 99:[38, 29, 11], Operations: ['91-80=11'] Exploring Operation: 29-11=18, Resulting Numbers: [38, 18] Generated Node #0,2,0: 99:[38, 18] Operation: 29-11=18 Exploring Operation: 38+11=49, Resulting Numbers: [29, 49] Generated Node #0,2,1: 99:[29, 49] Operation: 38+11=49 Exploring Operation: 38-29=9, Resulting Numbers: [11, 9] Generated Node #0,2,2: 99:[11, 9] Operation: 38-29=9 Exploring Operation: 38-11=27, Resulting Numbers: [29, 27] Generated Node #0,2,3: 99:[29, 27] Operation: 38-11=27 Exploring Operation: 29+11=40, Resulting Numbers: [38, 40] Generated Node #0,2,4: 99:[38, 40] Operation: 29+11=40 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 99:[11, 9], Operations: ['91-80=11', '38-29=9'] Exploring Operation: 11+9=20, Resulting Numbers: [20] 20,99 unequal: No Solution Exploring Operation: 11-9=2, Resulting Numbers: [2] 2,99 unequal: No Solution Exploring Operation: 11*9=99, Resulting Numbers: [99] 99,99 equal: Goal Reached Moving to Node #0 Current State: 99:[38, 80, 91, 29], Operations: [] Exploring Operation: 91-80=11, Resulting Numbers: [38, 29, 11] Generated Node #0,2: 99:[38, 29, 11] Operation: 91-80=11 Moving to Node #0,2 Current State: 99:[38, 29, 11], Operations: ['91-80=11'] Exploring Operation: 38-29=9, Resulting Numbers: [11, 9] Generated Node #0,2,2: 99:[11, 9] Operation: 38-29=9 Moving to Node #0,2,2 Current State: 99:[11, 9], Operations: ['91-80=11', '38-29=9'] Exploring Operation: 11*9=99, Resulting Numbers: [99] 99,99 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.985243
hs_5
mult_heuristic
[ 20, 40, 30, 88 ]
60
[ "40/20=2", "88-30=58", "2+58=60" ]
Current State: 60:[20, 40, 30, 88], Operations: [] Exploring Operation: 40/20=2, Resulting Numbers: [30, 88, 2] Generated Node #2: [30, 88, 2] from Operation: 40/20=2 Current State: 60:[30, 88, 2], Operations: ['40/20=2'] Exploring Operation: 88-30=58, Resulting Numbers: [2, 58] Generated Node #3: [2, 58] from Operation: 88-30=58 Current State: 60:[2, 58], Operations: ['40/20=2', '88-30=58'] Exploring Operation: 2+58=60, Resulting Numbers: [60] 60,60 equal: Goal Reached
4
Current State: 60:[20, 40, 30, 88], Operations: [] Exploring Operation: 88-30=58, Resulting Numbers: [20, 40, 58] Generated Node #0,0: 60:[20, 40, 58] Operation: 88-30=58 Exploring Operation: 88-20=68, Resulting Numbers: [40, 30, 68] Generated Node #0,1: 60:[40, 30, 68] Operation: 88-20=68 Exploring Operation: 88-40=48, Resulting Numbers: [20, 30, 48] Generated Node #0,2: 60:[20, 30, 48] Operation: 88-40=48 Moving to Node #0,0 Current State: 60:[20, 40, 58], Operations: ['88-30=58'] Exploring Operation: 20+40=60, Resulting Numbers: [58, 60] Generated Node #0,0,0: 60:[58, 60] Operation: 20+40=60 Exploring Operation: 40/20=2, Resulting Numbers: [58, 2] Generated Node #0,0,1: 60:[58, 2] Operation: 40/20=2 Exploring Operation: 40-20=20, Resulting Numbers: [58, 20] Generated Node #0,0,2: 60:[58, 20] Operation: 40-20=20 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 60:[58, 60], Operations: ['88-30=58', '20+40=60'] Exploring Operation: 58*60=3480, Resulting Numbers: [3480] 3480,60 unequal: No Solution Exploring Operation: 60-58=2, Resulting Numbers: [2] 2,60 unequal: No Solution Exploring Operation: 58+60=118, Resulting Numbers: [118] 118,60 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:[58, 2], Operations: ['88-30=58', '40/20=2'] Exploring Operation: 58+2=60, Resulting Numbers: [60] 60,60 equal: Goal Reached Moving to Node #0 Current State: 60:[20, 40, 30, 88], Operations: [] Exploring Operation: 88-30=58, Resulting Numbers: [20, 40, 58] Generated Node #0,0: 60:[20, 40, 58] Operation: 88-30=58 Moving to Node #0,0 Current State: 60:[20, 40, 58], Operations: ['88-30=58'] Exploring Operation: 40/20=2, Resulting Numbers: [58, 2] Generated Node #0,0,1: 60:[58, 2] Operation: 40/20=2 Moving to Node #0,0,1 Current State: 60:[58, 2], Operations: ['88-30=58', '40/20=2'] Exploring Operation: 58+2=60, Resulting Numbers: [60] 60,60 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_3
mult_heuristic
[ 5, 73, 75, 10 ]
13
[ "5+73=78", "75-10=65", "78-65=13" ]
Current State: 13:[5, 73, 75, 10], Operations: [] Exploring Operation: 5+73=78, Resulting Numbers: [75, 10, 78] Generated Node #2: [75, 10, 78] from Operation: 5+73=78 Current State: 13:[75, 10, 78], Operations: ['5+73=78'] Exploring Operation: 75-10=65, Resulting Numbers: [78, 65] Generated Node #3: [78, 65] from Operation: 75-10=65 Current State: 13:[78, 65], Operations: ['5+73=78', '75-10=65'] Exploring Operation: 78-65=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
4
Current State: 13:[5, 73, 75, 10], Operations: [] Exploring Operation: 75-73=2, Resulting Numbers: [5, 10, 2] Generated Node #0,0: 13:[5, 10, 2] Operation: 75-73=2 Exploring Operation: 73-10=63, Resulting Numbers: [5, 75, 63] Generated Node #0,1: 13:[5, 75, 63] Operation: 73-10=63 Exploring Operation: 75/5=15, Resulting Numbers: [73, 10, 15] Generated Node #0,2: 13:[73, 10, 15] Operation: 75/5=15 Exploring Operation: 73-5=68, Resulting Numbers: [75, 10, 68] Generated Node #0,3: 13:[75, 10, 68] Operation: 73-5=68 Exploring Operation: 75-5=70, Resulting Numbers: [73, 10, 70] Generated Node #0,4: 13:[73, 10, 70] Operation: 75-5=70 Start Sub Search at level 1: Moving to Node #0,0 Current State: 13:[5, 10, 2], Operations: ['75-73=2'] Exploring Operation: 10+2=12, Resulting Numbers: [5, 12] Generated Node #0,0,0: 13:[5, 12] Operation: 10+2=12 Exploring Operation: 5*2=10, Resulting Numbers: [10, 10] Generated Node #0,0,1: 13:[10, 10] Operation: 5*2=10 Exploring Operation: 5-2=3, Resulting Numbers: [10, 3] Generated Node #0,0,2: 13:[10, 3] Operation: 5-2=3 Exploring Operation: 5+10=15, Resulting Numbers: [2, 15] Generated Node #0,0,3: 13:[2, 15] Operation: 5+10=15 Exploring Operation: 5+2=7, Resulting Numbers: [10, 7] Generated Node #0,0,4: 13:[10, 7] Operation: 5+2=7 Moving to Node #0,0,1 Current State: 13:[10, 10], Operations: ['75-73=2', '5*2=10'] Exploring Operation: 10+10=20, Resulting Numbers: [20] 20,13 unequal: No Solution Exploring Operation: 10/10=1, Resulting Numbers: [1] 1,13 unequal: No Solution Exploring Operation: 10*10=100, Resulting Numbers: [100] 100,13 unequal: No Solution Exploring Operation: 10-10=0, Resulting Numbers: [0] 0,13 unequal: No Solution Moving to Node #0,0,4 Current State: 13:[10, 7], Operations: ['75-73=2', '5+2=7'] Exploring Operation: 10-7=3, Resulting Numbers: [3] 3,13 unequal: No Solution Exploring Operation: 10+7=17, Resulting Numbers: [17] 17,13 unequal: No Solution Exploring Operation: 10*7=70, Resulting Numbers: [70] 70,13 unequal: No Solution Moving to Node #0,0,0 Current State: 13:[5, 12], Operations: ['75-73=2', '10+2=12'] Exploring Operation: 12-5=7, Resulting Numbers: [7] 7,13 unequal: No Solution Exploring Operation: 5+12=17, Resulting Numbers: [17] 17,13 unequal: No Solution Exploring Operation: 5*12=60, Resulting Numbers: [60] 60,13 unequal: No Solution Moving to Node #0,0,2 Current State: 13:[10, 3], Operations: ['75-73=2', '5-2=3'] Exploring Operation: 10+3=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Moving to Node #0 Current State: 13:[5, 73, 75, 10], Operations: [] Exploring Operation: 75-73=2, Resulting Numbers: [5, 10, 2] Generated Node #0,0: 13:[5, 10, 2] Operation: 75-73=2 Moving to Node #0,0 Current State: 13:[5, 10, 2], Operations: ['75-73=2'] Exploring Operation: 5-2=3, Resulting Numbers: [10, 3] Generated Node #0,0,2: 13:[10, 3] Operation: 5-2=3 Moving to Node #0,0,2 Current State: 13:[10, 3], Operations: ['75-73=2', '5-2=3'] Exploring Operation: 10+3=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Exit Sub Search at level 1
0.978299
hs_5
mult_heuristic
[ 12, 47, 83, 70 ]
72
[ "12+47=59", "83-70=13", "59+13=72" ]
Current State: 72:[12, 47, 83, 70], Operations: [] Exploring Operation: 12+47=59, Resulting Numbers: [83, 70, 59] Generated Node #2: [83, 70, 59] from Operation: 12+47=59 Current State: 72:[83, 70, 59], Operations: ['12+47=59'] Exploring Operation: 83-70=13, Resulting Numbers: [59, 13] Generated Node #3: [59, 13] from Operation: 83-70=13 Current State: 72:[59, 13], Operations: ['12+47=59', '83-70=13'] Exploring Operation: 59+13=72, Resulting Numbers: [72] 72,72 equal: Goal Reached
4
Current State: 72:[12, 47, 83, 70], Operations: [] Exploring Operation: 83-12=71, Resulting Numbers: [47, 70, 71] Generated Node #0,0: 72:[47, 70, 71] Operation: 83-12=71 Exploring Operation: 47-12=35, Resulting Numbers: [83, 70, 35] Generated Node #0,1: 72:[83, 70, 35] Operation: 47-12=35 Exploring Operation: 83-47=36, Resulting Numbers: [12, 70, 36] Generated Node #0,2: 72:[12, 70, 36] Operation: 83-47=36 Exploring Operation: 83-70=13, Resulting Numbers: [12, 47, 13] Generated Node #0,3: 72:[12, 47, 13] Operation: 83-70=13 Exploring Operation: 70-47=23, Resulting Numbers: [12, 83, 23] Generated Node #0,4: 72:[12, 83, 23] Operation: 70-47=23 Start Sub Search at level 1: Moving to Node #0,2 Current State: 72:[12, 70, 36], Operations: ['83-47=36'] Exploring Operation: 12+70=82, Resulting Numbers: [36, 82] Generated Node #0,2,0: 72:[36, 82] Operation: 12+70=82 Exploring Operation: 70-36=34, Resulting Numbers: [12, 34] Generated Node #0,2,1: 72:[12, 34] Operation: 70-36=34 Exploring Operation: 70-12=58, Resulting Numbers: [36, 58] Generated Node #0,2,2: 72:[36, 58] Operation: 70-12=58 Exploring Operation: 36-12=24, Resulting Numbers: [70, 24] Generated Node #0,2,3: 72:[70, 24] Operation: 36-12=24 Exploring Operation: 36/12=3, Resulting Numbers: [70, 3] Generated Node #0,2,4: 72:[70, 3] Operation: 36/12=3 Moving to Node #0,2,1 Current State: 72:[12, 34], Operations: ['83-47=36', '70-36=34'] Exploring Operation: 12+34=46, Resulting Numbers: [46] 46,72 unequal: No Solution Exploring Operation: 34-12=22, Resulting Numbers: [22] 22,72 unequal: No Solution Exploring Operation: 12*34=408, Resulting Numbers: [408] 408,72 unequal: No Solution Moving to Node #0,2,4 Current State: 72:[70, 3], Operations: ['83-47=36', '36/12=3'] Exploring Operation: 70*3=210, Resulting Numbers: [210] 210,72 unequal: No Solution Exploring Operation: 70-3=67, Resulting Numbers: [67] 67,72 unequal: No Solution Exploring Operation: 70+3=73, Resulting Numbers: [73] 73,72 unequal: No Solution Moving to Node #0,2,3 Current State: 72:[70, 24], Operations: ['83-47=36', '36-12=24'] Exploring Operation: 70*24=1680, Resulting Numbers: [1680] 1680,72 unequal: No Solution Exploring Operation: 70+24=94, Resulting Numbers: [94] 94,72 unequal: No Solution Exploring Operation: 70-24=46, Resulting Numbers: [46] 46,72 unequal: No Solution Moving to Node #0,2,0 Current State: 72:[36, 82], Operations: ['83-47=36', '12+70=82'] Exploring Operation: 36*82=2952, Resulting Numbers: [2952] 2952,72 unequal: No Solution Exploring Operation: 36+82=118, Resulting Numbers: [118] 118,72 unequal: No Solution Exploring Operation: 82-36=46, Resulting Numbers: [46] 46,72 unequal: No Solution Moving to Node #0,2,2 Current State: 72:[36, 58], Operations: ['83-47=36', '70-12=58'] Exploring Operation: 36*58=2088, Resulting Numbers: [2088] 2088,72 unequal: No Solution Exploring Operation: 36+58=94, Resulting Numbers: [94] 94,72 unequal: No Solution Exploring Operation: 58-36=22, Resulting Numbers: [22] 22,72 unequal: No Solution No 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: 72:[12, 47, 13], Operations: ['83-70=13'] Exploring Operation: 13-12=1, Resulting Numbers: [47, 1] Generated Node #0,3,0: 72:[47, 1] Operation: 13-12=1 Exploring Operation: 47-13=34, Resulting Numbers: [12, 34] Generated Node #0,3,1: 72:[12, 34] Operation: 47-13=34 Exploring Operation: 47+13=60, Resulting Numbers: [12, 60] Generated Node #0,3,2: 72:[12, 60] Operation: 47+13=60 Exploring Operation: 12+13=25, Resulting Numbers: [47, 25] Generated Node #0,3,3: 72:[47, 25] Operation: 12+13=25 Exploring Operation: 47-12=35, Resulting Numbers: [13, 35] Generated Node #0,3,4: 72:[13, 35] Operation: 47-12=35 Moving to Node #0,3,1 Current State: 72:[12, 34], Operations: ['83-70=13', '47-13=34'] Exploring Operation: 34-12=22, Resulting Numbers: [22] 22,72 unequal: No Solution Exploring Operation: 12*34=408, Resulting Numbers: [408] 408,72 unequal: No Solution Exploring Operation: 12+34=46, Resulting Numbers: [46] 46,72 unequal: No Solution Moving to Node #0,3,4 Current State: 72:[13, 35], Operations: ['83-70=13', '47-12=35'] Exploring Operation: 13*35=455, Resulting Numbers: [455] 455,72 unequal: No Solution Exploring Operation: 35-13=22, Resulting Numbers: [22] 22,72 unequal: No Solution Exploring Operation: 13+35=48, Resulting Numbers: [48] 48,72 unequal: No Solution Moving to Node #0,3,0 Current State: 72:[47, 1], Operations: ['83-70=13', '13-12=1'] Exploring Operation: 47-1=46, Resulting Numbers: [46] 46,72 unequal: No Solution Exploring Operation: 47*1=47, Resulting Numbers: [47] 47,72 unequal: No Solution Exploring Operation: 47/1=47, Resulting Numbers: [47] 47,72 unequal: No Solution Exploring Operation: 47+1=48, Resulting Numbers: [48] 48,72 unequal: No Solution Moving to Node #0,3,2 Current State: 72:[12, 60], Operations: ['83-70=13', '47+13=60'] Exploring Operation: 12*60=720, Resulting Numbers: [720] 720,72 unequal: No Solution Exploring Operation: 12+60=72, Resulting Numbers: [72] 72,72 equal: Goal Reached Moving to Node #0 Current State: 72:[12, 47, 83, 70], Operations: [] Exploring Operation: 83-70=13, Resulting Numbers: [12, 47, 13] Generated Node #0,3: 72:[12, 47, 13] Operation: 83-70=13 Moving to Node #0,3 Current State: 72:[12, 47, 13], Operations: ['83-70=13'] Exploring Operation: 47+13=60, Resulting Numbers: [12, 60] Generated Node #0,3,2: 72:[12, 60] Operation: 47+13=60 Moving to Node #0,3,2 Current State: 72:[12, 60], Operations: ['83-70=13', '47+13=60'] Exploring Operation: 12+60=72, Resulting Numbers: [72] 72,72 equal: Goal Reached Exit Sub Search at level 1
0.960069
hs_5
mult_heuristic
[ 77, 40, 28, 72 ]
36
[ "77-72=5", "40/5=8", "28+8=36" ]
Current State: 36:[77, 40, 28, 72], Operations: [] Exploring Operation: 77-72=5, Resulting Numbers: [40, 28, 5] Generated Node #2: [40, 28, 5] from Operation: 77-72=5 Current State: 36:[40, 28, 5], Operations: ['77-72=5'] Exploring Operation: 40/5=8, Resulting Numbers: [28, 8] Generated Node #3: [28, 8] from Operation: 40/5=8 Current State: 36:[28, 8], Operations: ['77-72=5', '40/5=8'] Exploring Operation: 28+8=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
4
Current State: 36:[77, 40, 28, 72], Operations: [] Exploring Operation: 77-40=37, Resulting Numbers: [28, 72, 37] Generated Node #0,0: 36:[28, 72, 37] Operation: 77-40=37 Exploring Operation: 77-28=49, Resulting Numbers: [40, 72, 49] Generated Node #0,1: 36:[40, 72, 49] Operation: 77-28=49 Exploring Operation: 72-40=32, Resulting Numbers: [77, 28, 32] Generated Node #0,2: 36:[77, 28, 32] Operation: 72-40=32 Exploring Operation: 77-72=5, Resulting Numbers: [40, 28, 5] Generated Node #0,3: 36:[40, 28, 5] Operation: 77-72=5 Start Sub Search at level 1: Moving to Node #0,3 Current State: 36:[40, 28, 5], Operations: ['77-72=5'] Exploring Operation: 28+5=33, Resulting Numbers: [40, 33] Generated Node #0,3,0: 36:[40, 33] Operation: 28+5=33 Exploring Operation: 40/5=8, Resulting Numbers: [28, 8] Generated Node #0,3,1: 36:[28, 8] Operation: 40/5=8 Exploring Operation: 40-5=35, Resulting Numbers: [28, 35] Generated Node #0,3,2: 36:[28, 35] Operation: 40-5=35 Exploring Operation: 40-28=12, Resulting Numbers: [5, 12] Generated Node #0,3,3: 36:[5, 12] Operation: 40-28=12 Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 36:[5, 12], Operations: ['77-72=5', '40-28=12'] Exploring Operation: 5*12=60, Resulting Numbers: [60] 60,36 unequal: No Solution Exploring Operation: 5+12=17, Resulting Numbers: [17] 17,36 unequal: No Solution Exploring Operation: 12-5=7, Resulting Numbers: [7] 7,36 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 36:[40, 33], Operations: ['77-72=5', '28+5=33'] Exploring Operation: 40*33=1320, Resulting Numbers: [1320] 1320,36 unequal: No Solution Exploring Operation: 40+33=73, Resulting Numbers: [73] 73,36 unequal: No Solution Exploring Operation: 40-33=7, Resulting Numbers: [7] 7,36 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 36:[28, 8], Operations: ['77-72=5', '40/5=8'] Exploring Operation: 28-8=20, Resulting Numbers: [20] 20,36 unequal: No Solution Exploring Operation: 28+8=36, Resulting Numbers: [36] 36,36 equal: Goal Reached Moving to Node #0 Current State: 36:[77, 40, 28, 72], Operations: [] Exploring Operation: 77-72=5, Resulting Numbers: [40, 28, 5] Generated Node #0,3: 36:[40, 28, 5] Operation: 77-72=5 Moving to Node #0,3 Current State: 36:[40, 28, 5], Operations: ['77-72=5'] Exploring Operation: 40/5=8, Resulting Numbers: [28, 8] Generated Node #0,3,1: 36:[28, 8] Operation: 40/5=8 Moving to Node #0,3,1 Current State: 36:[28, 8], Operations: ['77-72=5', '40/5=8'] Exploring Operation: 28+8=36, Resulting Numbers: [36] 36,36 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.982639
hs_4
mult_heuristic
[ 60, 45, 34, 86 ]
67
[ "60-45=15", "86-34=52", "15+52=67" ]
Current State: 67:[60, 45, 34, 86], Operations: [] Exploring Operation: 60-45=15, Resulting Numbers: [34, 86, 15] Generated Node #2: [34, 86, 15] from Operation: 60-45=15 Current State: 67:[34, 86, 15], Operations: ['60-45=15'] Exploring Operation: 86-34=52, Resulting Numbers: [15, 52] Generated Node #3: [15, 52] from Operation: 86-34=52 Current State: 67:[15, 52], Operations: ['60-45=15', '86-34=52'] Exploring Operation: 15+52=67, Resulting Numbers: [67] 67,67 equal: Goal Reached
4
Current State: 67:[60, 45, 34, 86], Operations: [] Exploring Operation: 86-45=41, Resulting Numbers: [60, 34, 41] Generated Node #0,0: 67:[60, 34, 41] Operation: 86-45=41 Exploring Operation: 45+34=79, Resulting Numbers: [60, 86, 79] Generated Node #0,1: 67:[60, 86, 79] Operation: 45+34=79 Exploring Operation: 60-34=26, Resulting Numbers: [45, 86, 26] Generated Node #0,2: 67:[45, 86, 26] Operation: 60-34=26 Exploring Operation: 60+34=94, Resulting Numbers: [45, 86, 94] Generated Node #0,3: 67:[45, 86, 94] Operation: 60+34=94 Exploring Operation: 86-34=52, Resulting Numbers: [60, 45, 52] Generated Node #0,4: 67:[60, 45, 52] Operation: 86-34=52 Start Sub Search at level 1: Moving to Node #0,1 Current State: 67:[60, 86, 79], Operations: ['45+34=79'] Exploring Operation: 79-60=19, Resulting Numbers: [86, 19] Generated Node #0,1,0: 67:[86, 19] Operation: 79-60=19 Exploring Operation: 60+86=146, Resulting Numbers: [79, 146] Generated Node #0,1,1: 67:[79, 146] Operation: 60+86=146 Exploring Operation: 86-60=26, Resulting Numbers: [79, 26] Generated Node #0,1,2: 67:[79, 26] Operation: 86-60=26 Exploring Operation: 60+79=139, Resulting Numbers: [86, 139] Generated Node #0,1,3: 67:[86, 139] Operation: 60+79=139 Exploring Operation: 86-79=7, Resulting Numbers: [60, 7] Generated Node #0,1,4: 67:[60, 7] Operation: 86-79=7 Moving to Node #0,1,2 Current State: 67:[79, 26], Operations: ['45+34=79', '86-60=26'] Exploring Operation: 79+26=105, Resulting Numbers: [105] 105,67 unequal: No Solution Exploring Operation: 79*26=2054, Resulting Numbers: [2054] 2054,67 unequal: No Solution Exploring Operation: 79-26=53, Resulting Numbers: [53] 53,67 unequal: No Solution Moving to Node #0,1,4 Current State: 67:[60, 7], Operations: ['45+34=79', '86-79=7'] Exploring Operation: 60-7=53, Resulting Numbers: [53] 53,67 unequal: No Solution Exploring Operation: 60*7=420, Resulting Numbers: [420] 420,67 unequal: No Solution Exploring Operation: 60+7=67, Resulting Numbers: [67] 67,67 equal: Goal Reached Moving to Node #0 Current State: 67:[60, 45, 34, 86], Operations: [] Exploring Operation: 45+34=79, Resulting Numbers: [60, 86, 79] Generated Node #0,1: 67:[60, 86, 79] Operation: 45+34=79 Moving to Node #0,1 Current State: 67:[60, 86, 79], Operations: ['45+34=79'] Exploring Operation: 86-79=7, Resulting Numbers: [60, 7] Generated Node #0,1,4: 67:[60, 7] Operation: 86-79=7 Moving to Node #0,1,4 Current State: 67:[60, 7], Operations: ['45+34=79', '86-79=7'] Exploring Operation: 60+7=67, Resulting Numbers: [67] 67,67 equal: Goal Reached Exit Sub Search at level 1
0.982639
hs_5
mult_heuristic
[ 23, 48, 11, 43 ]
60
[ "23-11=12", "48-43=5", "12*5=60" ]
Current State: 60:[23, 48, 11, 43], Operations: [] Exploring Operation: 23-11=12, Resulting Numbers: [48, 43, 12] Generated Node #2: [48, 43, 12] from Operation: 23-11=12 Current State: 60:[48, 43, 12], Operations: ['23-11=12'] Exploring Operation: 48-43=5, Resulting Numbers: [12, 5] Generated Node #3: [12, 5] from Operation: 48-43=5 Current State: 60:[12, 5], Operations: ['23-11=12', '48-43=5'] Exploring Operation: 12*5=60, Resulting Numbers: [60] 60,60 equal: Goal Reached
4
Current State: 60:[23, 48, 11, 43], Operations: [] Exploring Operation: 43-11=32, Resulting Numbers: [23, 48, 32] Generated Node #0,0: 60:[23, 48, 32] Operation: 43-11=32 Exploring Operation: 48+11=59, Resulting Numbers: [23, 43, 59] Generated Node #0,1: 60:[23, 43, 59] Operation: 48+11=59 Exploring Operation: 48-23=25, Resulting Numbers: [11, 43, 25] Generated Node #0,2: 60:[11, 43, 25] Operation: 48-23=25 Exploring Operation: 43-23=20, Resulting Numbers: [48, 11, 20] Generated Node #0,3: 60:[48, 11, 20] Operation: 43-23=20 Exploring Operation: 48-43=5, Resulting Numbers: [23, 11, 5] Generated Node #0,4: 60:[23, 11, 5] Operation: 48-43=5 Start Sub Search at level 1: Moving to Node #0,4 Current State: 60:[23, 11, 5], Operations: ['48-43=5'] Exploring Operation: 11-5=6, Resulting Numbers: [23, 6] Generated Node #0,4,0: 60:[23, 6] Operation: 11-5=6 Exploring Operation: 23+5=28, Resulting Numbers: [11, 28] Generated Node #0,4,1: 60:[11, 28] Operation: 23+5=28 Exploring Operation: 23-5=18, Resulting Numbers: [11, 18] Generated Node #0,4,2: 60:[11, 18] Operation: 23-5=18 Exploring Operation: 23-11=12, Resulting Numbers: [5, 12] Generated Node #0,4,3: 60:[5, 12] Operation: 23-11=12 Exploring Operation: 23+11=34, Resulting Numbers: [5, 34] Generated Node #0,4,4: 60:[5, 34] Operation: 23+11=34 Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 60:[5, 12], Operations: ['48-43=5', '23-11=12'] Exploring Operation: 5*12=60, Resulting Numbers: [60] 60,60 equal: Goal Reached Moving to Node #0 Current State: 60:[23, 48, 11, 43], Operations: [] Exploring Operation: 48-43=5, Resulting Numbers: [23, 11, 5] Generated Node #0,4: 60:[23, 11, 5] Operation: 48-43=5 Moving to Node #0,4 Current State: 60:[23, 11, 5], Operations: ['48-43=5'] Exploring Operation: 23-11=12, Resulting Numbers: [5, 12] Generated Node #0,4,3: 60:[5, 12] Operation: 23-11=12 Moving to Node #0,4,3 Current State: 60:[5, 12], Operations: ['48-43=5', '23-11=12'] Exploring Operation: 5*12=60, Resulting Numbers: [60] 60,60 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986979
hs_5
mult_heuristic
[ 59, 82, 54, 96 ]
99
[ "59+82=141", "96-54=42", "141-42=99" ]
Current State: 99:[59, 82, 54, 96], Operations: [] Exploring Operation: 59+82=141, Resulting Numbers: [54, 96, 141] Generated Node #2: [54, 96, 141] from Operation: 59+82=141 Current State: 99:[54, 96, 141], Operations: ['59+82=141'] Exploring Operation: 96-54=42, Resulting Numbers: [141, 42] Generated Node #3: [141, 42] from Operation: 96-54=42 Current State: 99:[141, 42], Operations: ['59+82=141', '96-54=42'] Exploring Operation: 141-42=99, Resulting Numbers: [99] 99,99 equal: Goal Reached
4
Current State: 99:[59, 82, 54, 96], Operations: [] Exploring Operation: 82-54=28, Resulting Numbers: [59, 96, 28] Generated Node #0,0: 99:[59, 96, 28] Operation: 82-54=28 Exploring Operation: 82-59=23, Resulting Numbers: [54, 96, 23] Generated Node #0,1: 99:[54, 96, 23] Operation: 82-59=23 Exploring Operation: 59-54=5, Resulting Numbers: [82, 96, 5] Generated Node #0,2: 99:[82, 96, 5] Operation: 59-54=5 Exploring Operation: 59+54=113, Resulting Numbers: [82, 96, 113] Generated Node #0,3: 99:[82, 96, 113] Operation: 59+54=113 Start Sub Search at level 1: Moving to Node #0,2 Current State: 99:[82, 96, 5], Operations: ['59-54=5'] Exploring Operation: 96-82=14, Resulting Numbers: [5, 14] Generated Node #0,2,0: 99:[5, 14] Operation: 96-82=14 Exploring Operation: 96+5=101, Resulting Numbers: [82, 101] Generated Node #0,2,1: 99:[82, 101] Operation: 96+5=101 Exploring Operation: 82-5=77, Resulting Numbers: [96, 77] Generated Node #0,2,2: 99:[96, 77] Operation: 82-5=77 Exploring Operation: 82+5=87, Resulting Numbers: [96, 87] Generated Node #0,2,3: 99:[96, 87] Operation: 82+5=87 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 99:[5, 14], Operations: ['59-54=5', '96-82=14'] Exploring Operation: 5+14=19, Resulting Numbers: [19] 19,99 unequal: No Solution Exploring Operation: 5*14=70, Resulting Numbers: [70] 70,99 unequal: No Solution Exploring Operation: 14-5=9, Resulting Numbers: [9] 9,99 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 99:[96, 87], Operations: ['59-54=5', '82+5=87'] Exploring Operation: 96+87=183, Resulting Numbers: [183] 183,99 unequal: No Solution Exploring Operation: 96-87=9, Resulting Numbers: [9] 9,99 unequal: No Solution Exploring Operation: 96*87=8352, Resulting Numbers: [8352] 8352,99 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 99:[82, 101], Operations: ['59-54=5', '96+5=101'] Exploring Operation: 82+101=183, Resulting Numbers: [183] 183,99 unequal: No Solution Exploring Operation: 101-82=19, Resulting Numbers: [19] 19,99 unequal: No Solution Exploring Operation: 82*101=8282, Resulting Numbers: [8282] 8282,99 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 99:[96, 77], Operations: ['59-54=5', '82-5=77'] Exploring Operation: 96*77=7392, Resulting Numbers: [7392] 7392,99 unequal: No Solution Exploring Operation: 96-77=19, Resulting Numbers: [19] 19,99 unequal: No Solution Exploring Operation: 96+77=173, Resulting Numbers: [173] 173,99 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 99:[59, 96, 28], Operations: ['82-54=28'] Exploring Operation: 59+28=87, Resulting Numbers: [96, 87] Generated Node #0,0,0: 99:[96, 87] Operation: 59+28=87 Exploring Operation: 96+28=124, Resulting Numbers: [59, 124] Generated Node #0,0,1: 99:[59, 124] Operation: 96+28=124 Exploring Operation: 96-59=37, Resulting Numbers: [28, 37] Generated Node #0,0,2: 99:[28, 37] Operation: 96-59=37 Exploring Operation: 59-28=31, Resulting Numbers: [96, 31] Generated Node #0,0,3: 99:[96, 31] Operation: 59-28=31 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 99:[96, 31], Operations: ['82-54=28', '59-28=31'] Exploring Operation: 96+31=127, Resulting Numbers: [127] 127,99 unequal: No Solution Exploring Operation: 96-31=65, Resulting Numbers: [65] 65,99 unequal: No Solution Exploring Operation: 96*31=2976, Resulting Numbers: [2976] 2976,99 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 99:[28, 37], Operations: ['82-54=28', '96-59=37'] Exploring Operation: 28+37=65, Resulting Numbers: [65] 65,99 unequal: No Solution Exploring Operation: 37-28=9, Resulting Numbers: [9] 9,99 unequal: No Solution Exploring Operation: 28*37=1036, Resulting Numbers: [1036] 1036,99 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 99:[96, 87], Operations: ['82-54=28', '59+28=87'] Exploring Operation: 96*87=8352, Resulting Numbers: [8352] 8352,99 unequal: No Solution Exploring Operation: 96+87=183, Resulting Numbers: [183] 183,99 unequal: No Solution Exploring Operation: 96-87=9, Resulting Numbers: [9] 9,99 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 99:[59, 124], Operations: ['82-54=28', '96+28=124'] Exploring Operation: 59*124=7316, Resulting Numbers: [7316] 7316,99 unequal: No Solution Exploring Operation: 124-59=65, Resulting Numbers: [65] 65,99 unequal: No Solution Exploring Operation: 59+124=183, Resulting Numbers: [183] 183,99 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 99:[54, 96, 23], Operations: ['82-59=23'] Exploring Operation: 54+23=77, Resulting Numbers: [96, 77] Generated Node #0,1,0: 99:[96, 77] Operation: 54+23=77 Exploring Operation: 96+23=119, Resulting Numbers: [54, 119] Generated Node #0,1,1: 99:[54, 119] Operation: 96+23=119 Exploring Operation: 54-23=31, Resulting Numbers: [96, 31] Generated Node #0,1,2: 99:[96, 31] Operation: 54-23=31 Exploring Operation: 96-54=42, Resulting Numbers: [23, 42] Generated Node #0,1,3: 99:[23, 42] Operation: 96-54=42 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 99:[96, 31], Operations: ['82-59=23', '54-23=31'] Exploring Operation: 96+31=127, Resulting Numbers: [127] 127,99 unequal: No Solution Exploring Operation: 96-31=65, Resulting Numbers: [65] 65,99 unequal: No Solution Exploring Operation: 96*31=2976, Resulting Numbers: [2976] 2976,99 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 99:[23, 42], Operations: ['82-59=23', '96-54=42'] Exploring Operation: 42-23=19, Resulting Numbers: [19] 19,99 unequal: No Solution Exploring Operation: 23*42=966, Resulting Numbers: [966] 966,99 unequal: No Solution Exploring Operation: 23+42=65, Resulting Numbers: [65] 65,99 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 99:[96, 77], Operations: ['82-59=23', '54+23=77'] Exploring Operation: 96+77=173, Resulting Numbers: [173] 173,99 unequal: No Solution Exploring Operation: 96-77=19, Resulting Numbers: [19] 19,99 unequal: No Solution Exploring Operation: 96*77=7392, Resulting Numbers: [7392] 7392,99 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 99:[54, 119], Operations: ['82-59=23', '96+23=119'] Exploring Operation: 54+119=173, Resulting Numbers: [173] 173,99 unequal: No Solution Exploring Operation: 119-54=65, Resulting Numbers: [65] 65,99 unequal: No Solution Exploring Operation: 54*119=6426, Resulting Numbers: [6426] 6426,99 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 99:[82, 96, 113], Operations: ['59+54=113'] Exploring Operation: 96-82=14, Resulting Numbers: [113, 14] Generated Node #0,3,0: 99:[113, 14] Operation: 96-82=14 Exploring Operation: 82+96=178, Resulting Numbers: [113, 178] Generated Node #0,3,1: 99:[113, 178] Operation: 82+96=178 Exploring Operation: 113-96=17, Resulting Numbers: [82, 17] Generated Node #0,3,2: 99:[82, 17] Operation: 113-96=17 Exploring Operation: 113-82=31, Resulting Numbers: [96, 31] Generated Node #0,3,3: 99:[96, 31] Operation: 113-82=31 Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 99:[96, 31], Operations: ['59+54=113', '113-82=31'] Exploring Operation: 96+31=127, Resulting Numbers: [127] 127,99 unequal: No Solution Exploring Operation: 96-31=65, Resulting Numbers: [65] 65,99 unequal: No Solution Exploring Operation: 96*31=2976, Resulting Numbers: [2976] 2976,99 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 99:[113, 14], Operations: ['59+54=113', '96-82=14'] Exploring Operation: 113*14=1582, Resulting Numbers: [1582] 1582,99 unequal: No Solution Exploring Operation: 113-14=99, Resulting Numbers: [99] 99,99 equal: Goal Reached Moving to Node #0 Current State: 99:[59, 82, 54, 96], Operations: [] Exploring Operation: 59+54=113, Resulting Numbers: [82, 96, 113] Generated Node #0,3: 99:[82, 96, 113] Operation: 59+54=113 Moving to Node #0,3 Current State: 99:[82, 96, 113], Operations: ['59+54=113'] Exploring Operation: 96-82=14, Resulting Numbers: [113, 14] Generated Node #0,3,0: 99:[113, 14] Operation: 96-82=14 Moving to Node #0,3,0 Current State: 99:[113, 14], Operations: ['59+54=113', '96-82=14'] Exploring Operation: 113-14=99, Resulting Numbers: [99] 99,99 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.943576
hs_4
sum_heuristic
[ 90, 4, 95, 8 ]
12
[ "95-90=5", "4*5=20", "20-8=12" ]
Current State: 12:[90, 4, 95, 8], Operations: [] Exploring Operation: 95-90=5, Resulting Numbers: [4, 8, 5] Generated Node #2: [4, 8, 5] from Operation: 95-90=5 Current State: 12:[4, 8, 5], Operations: ['95-90=5'] Exploring Operation: 4*5=20, Resulting Numbers: [8, 20] Generated Node #3: [8, 20] from Operation: 4*5=20 Current State: 12:[8, 20], Operations: ['95-90=5', '4*5=20'] Exploring Operation: 20-8=12, Resulting Numbers: [12] 12,12 equal: Goal Reached
4
Current State: 12:[90, 4, 95, 8], Operations: [] Exploring Operation: 95-90=5, Resulting Numbers: [4, 8, 5] Generated Node #0,0: 12:[4, 8, 5] Operation: 95-90=5 Moving to Node #0,0 Current State: 12:[4, 8, 5], Operations: ['95-90=5'] Exploring Operation: 8-5=3, Resulting Numbers: [4, 3] Generated Node #0,0,0: 12:[4, 3] Operation: 8-5=3 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 12:[4, 3], Operations: ['95-90=5', '8-5=3'] Exploring Operation: 4*3=12, Resulting Numbers: [12] 12,12 equal: Goal Reached Moving to Node #0 Current State: 12:[90, 4, 95, 8], Operations: [] Exploring Operation: 95-90=5, Resulting Numbers: [4, 8, 5] Generated Node #0,0: 12:[4, 8, 5] Operation: 95-90=5 Moving to Node #0,0 Current State: 12:[4, 8, 5], Operations: ['95-90=5'] Exploring Operation: 8-5=3, Resulting Numbers: [4, 3] Generated Node #0,0,0: 12:[4, 3] Operation: 8-5=3 Moving to Node #0,0,0 Current State: 12:[4, 3], Operations: ['95-90=5', '8-5=3'] Exploring Operation: 4*3=12, Resulting Numbers: [12] 12,12 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 65, 10, 51, 50 ]
54
[ "65-10=55", "51-50=1", "55-1=54" ]
Current State: 54:[65, 10, 51, 50], Operations: [] Exploring Operation: 65-10=55, Resulting Numbers: [51, 50, 55] Generated Node #2: [51, 50, 55] from Operation: 65-10=55 Current State: 54:[51, 50, 55], Operations: ['65-10=55'] Exploring Operation: 51-50=1, Resulting Numbers: [55, 1] Generated Node #3: [55, 1] from Operation: 51-50=1 Current State: 54:[55, 1], Operations: ['65-10=55', '51-50=1'] Exploring Operation: 55-1=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
4
Current State: 54:[65, 10, 51, 50], Operations: [] Exploring Operation: 50/10=5, Resulting Numbers: [65, 51, 5] Generated Node #0,0: 54:[65, 51, 5] Operation: 50/10=5 Exploring Operation: 51-50=1, Resulting Numbers: [65, 10, 1] Generated Node #0,1: 54:[65, 10, 1] Operation: 51-50=1 Exploring Operation: 65-10=55, Resulting Numbers: [51, 50, 55] Generated Node #0,2: 54:[51, 50, 55] Operation: 65-10=55 Exploring Operation: 65-50=15, Resulting Numbers: [10, 51, 15] Generated Node #0,3: 54:[10, 51, 15] Operation: 65-50=15 Exploring Operation: 65-51=14, Resulting Numbers: [10, 50, 14] Generated Node #0,4: 54:[10, 50, 14] Operation: 65-51=14 Start Sub Search at level 1: Moving to Node #0,3 Current State: 54:[10, 51, 15], Operations: ['65-50=15'] Exploring Operation: 15-10=5, Resulting Numbers: [51, 5] Generated Node #0,3,0: 54:[51, 5] Operation: 15-10=5 Exploring Operation: 10+15=25, Resulting Numbers: [51, 25] Generated Node #0,3,1: 54:[51, 25] Operation: 10+15=25 Exploring Operation: 51+15=66, Resulting Numbers: [10, 66] Generated Node #0,3,2: 54:[10, 66] Operation: 51+15=66 Exploring Operation: 10+51=61, Resulting Numbers: [15, 61] Generated Node #0,3,3: 54:[15, 61] Operation: 10+51=61 Exploring Operation: 51-15=36, Resulting Numbers: [10, 36] Generated Node #0,3,4: 54:[10, 36] Operation: 51-15=36 Moving to Node #0,3,0 Current State: 54:[51, 5], Operations: ['65-50=15', '15-10=5'] Exploring Operation: 51*5=255, Resulting Numbers: [255] 255,54 unequal: No Solution Exploring Operation: 51-5=46, Resulting Numbers: [46] 46,54 unequal: No Solution Exploring Operation: 51+5=56, Resulting Numbers: [56] 56,54 unequal: No Solution Moving to Node #0,3,1 Current State: 54:[51, 25], Operations: ['65-50=15', '10+15=25'] Exploring Operation: 51*25=1275, Resulting Numbers: [1275] 1275,54 unequal: No Solution Exploring Operation: 51-25=26, Resulting Numbers: [26] 26,54 unequal: No Solution Exploring Operation: 51+25=76, Resulting Numbers: [76] 76,54 unequal: No Solution Moving to Node #0,3,3 Current State: 54:[15, 61], Operations: ['65-50=15', '10+51=61'] Exploring Operation: 15*61=915, Resulting Numbers: [915] 915,54 unequal: No Solution Exploring Operation: 61-15=46, Resulting Numbers: [46] 46,54 unequal: No Solution Exploring Operation: 15+61=76, Resulting Numbers: [76] 76,54 unequal: No Solution Moving to Node #0,3,4 Current State: 54:[10, 36], Operations: ['65-50=15', '51-15=36'] Exploring Operation: 10*36=360, Resulting Numbers: [360] 360,54 unequal: No Solution Exploring Operation: 10+36=46, Resulting Numbers: [46] 46,54 unequal: No Solution Exploring Operation: 36-10=26, Resulting Numbers: [26] 26,54 unequal: No Solution Moving to Node #0,3,2 Current State: 54:[10, 66], Operations: ['65-50=15', '51+15=66'] Exploring Operation: 66-10=56, Resulting Numbers: [56] 56,54 unequal: No Solution Exploring Operation: 10*66=660, Resulting Numbers: [660] 660,54 unequal: No Solution Exploring Operation: 10+66=76, Resulting Numbers: [76] 76,54 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 54:[51, 50, 55], Operations: ['65-10=55'] Exploring Operation: 55-51=4, Resulting Numbers: [50, 4] Generated Node #0,2,0: 54:[50, 4] Operation: 55-51=4 Exploring Operation: 51+50=101, Resulting Numbers: [55, 101] Generated Node #0,2,1: 54:[55, 101] Operation: 51+50=101 Exploring Operation: 55-50=5, Resulting Numbers: [51, 5] Generated Node #0,2,2: 54:[51, 5] Operation: 55-50=5 Exploring Operation: 51-50=1, Resulting Numbers: [55, 1] Generated Node #0,2,3: 54:[55, 1] Operation: 51-50=1 Exploring Operation: 50+55=105, Resulting Numbers: [51, 105] Generated Node #0,2,4: 54:[51, 105] Operation: 50+55=105 Moving to Node #0,2,3 Current State: 54:[55, 1], Operations: ['65-10=55', '51-50=1'] Exploring Operation: 55/1=55, Resulting Numbers: [55] 55,54 unequal: No Solution Exploring Operation: 55+1=56, Resulting Numbers: [56] 56,54 unequal: No Solution Exploring Operation: 55-1=54, Resulting Numbers: [54] 54,54 equal: Goal Reached Moving to Node #0 Current State: 54:[65, 10, 51, 50], Operations: [] Exploring Operation: 65-10=55, Resulting Numbers: [51, 50, 55] Generated Node #0,2: 54:[51, 50, 55] Operation: 65-10=55 Moving to Node #0,2 Current State: 54:[51, 50, 55], Operations: ['65-10=55'] Exploring Operation: 51-50=1, Resulting Numbers: [55, 1] Generated Node #0,2,3: 54:[55, 1] Operation: 51-50=1 Moving to Node #0,2,3 Current State: 54:[55, 1], Operations: ['65-10=55', '51-50=1'] Exploring Operation: 55-1=54, Resulting Numbers: [54] 54,54 equal: Goal Reached Exit Sub Search at level 1
0.967882
hs_5
sum_heuristic
[ 20, 39, 4, 48 ]
78
[ "20+4=24", "39*48=1872", "1872/24=78" ]
Current State: 78:[20, 39, 4, 48], Operations: [] Exploring Operation: 20+4=24, Resulting Numbers: [39, 48, 24] Generated Node #2: [39, 48, 24] from Operation: 20+4=24 Current State: 78:[39, 48, 24], Operations: ['20+4=24'] Exploring Operation: 39*48=1872, Resulting Numbers: [24, 1872] Generated Node #3: [24, 1872] from Operation: 39*48=1872 Current State: 78:[24, 1872], Operations: ['20+4=24', '39*48=1872'] Exploring Operation: 1872/24=78, Resulting Numbers: [78] 78,78 equal: Goal Reached
4
Current State: 78:[20, 39, 4, 48], Operations: [] Exploring Operation: 48/4=12, Resulting Numbers: [20, 39, 12] Generated Node #0,0: 78:[20, 39, 12] Operation: 48/4=12 Exploring Operation: 48-20=28, Resulting Numbers: [39, 4, 28] Generated Node #0,1: 78:[39, 4, 28] Operation: 48-20=28 Moving to Node #0,1 Current State: 78:[39, 4, 28], Operations: ['48-20=28'] Exploring Operation: 28-4=24, Resulting Numbers: [39, 24] Generated Node #0,1,0: 78:[39, 24] Operation: 28-4=24 Exploring Operation: 28/4=7, Resulting Numbers: [39, 7] Generated Node #0,1,1: 78:[39, 7] Operation: 28/4=7 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 78:[39, 7], Operations: ['48-20=28', '28/4=7'] Exploring Operation: 39-7=32, Resulting Numbers: [32] 32,78 unequal: No Solution Exploring Operation: 39+7=46, Resulting Numbers: [46] 46,78 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 78:[39, 24], Operations: ['48-20=28', '28-4=24'] Exploring Operation: 39-24=15, Resulting Numbers: [15] 15,78 unequal: No Solution Exploring Operation: 39+24=63, Resulting Numbers: [63] 63,78 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 78:[20, 39, 12], Operations: ['48/4=12'] Exploring Operation: 20-12=8, Resulting Numbers: [39, 8] Generated Node #0,0,0: 78:[39, 8] Operation: 20-12=8 Exploring Operation: 20+12=32, Resulting Numbers: [39, 32] Generated Node #0,0,1: 78:[39, 32] Operation: 20+12=32 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 78:[39, 8], Operations: ['48/4=12', '20-12=8'] Exploring Operation: 39-8=31, Resulting Numbers: [31] 31,78 unequal: No Solution Exploring Operation: 39+8=47, Resulting Numbers: [47] 47,78 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 78:[39, 32], Operations: ['48/4=12', '20+12=32'] Exploring Operation: 39+32=71, Resulting Numbers: [71] 71,78 unequal: No Solution Exploring Operation: 39-32=7, Resulting Numbers: [7] 7,78 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 12, 4, 2, 46 ]
50
[ "12*4=48", "2*48=96", "96-46=50" ]
Current State: 50:[12, 4, 2, 46], Operations: [] Exploring Operation: 12*4=48, Resulting Numbers: [2, 46, 48] Generated Node #2: [2, 46, 48] from Operation: 12*4=48 Current State: 50:[2, 46, 48], Operations: ['12*4=48'] Exploring Operation: 2*48=96, Resulting Numbers: [46, 96] Generated Node #3: [46, 96] from Operation: 2*48=96 Current State: 50:[46, 96], Operations: ['12*4=48', '2*48=96'] Exploring Operation: 96-46=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[12, 4, 2, 46], Operations: [] Exploring Operation: 12/4=3, Resulting Numbers: [2, 46, 3] Generated Node #0,0: 50:[2, 46, 3] Operation: 12/4=3 Exploring Operation: 2+46=48, Resulting Numbers: [12, 4, 48] Generated Node #0,1: 50:[12, 4, 48] Operation: 2+46=48 Exploring Operation: 4+46=50, Resulting Numbers: [12, 2, 50] Generated Node #0,2: 50:[12, 2, 50] Operation: 4+46=50 Exploring Operation: 12-2=10, Resulting Numbers: [4, 46, 10] Generated Node #0,3: 50:[4, 46, 10] Operation: 12-2=10 Exploring Operation: 46/2=23, Resulting Numbers: [12, 4, 23] Generated Node #0,4: 50:[12, 4, 23] Operation: 46/2=23 Moving to Node #0,2 Current State: 50:[12, 2, 50], Operations: ['4+46=50'] Exploring Operation: 12*2=24, Resulting Numbers: [50, 24] Generated Node #0,2,0: 50:[50, 24] Operation: 12*2=24 Exploring Operation: 12-2=10, Resulting Numbers: [50, 10] Generated Node #0,2,1: 50:[50, 10] Operation: 12-2=10 Exploring Operation: 12+2=14, Resulting Numbers: [50, 14] Generated Node #0,2,2: 50:[50, 14] Operation: 12+2=14 Exploring Operation: 12/2=6, Resulting Numbers: [50, 6] Generated Node #0,2,3: 50:[50, 6] Operation: 12/2=6 Exploring Operation: 50/2=25, Resulting Numbers: [12, 25] Generated Node #0,2,4: 50:[12, 25] Operation: 50/2=25 Moving to Node #0,1 Current State: 50:[12, 4, 48], Operations: ['2+46=48'] Exploring Operation: 12-4=8, Resulting Numbers: [48, 8] Generated Node #0,1,0: 50:[48, 8] Operation: 12-4=8 Exploring Operation: 48/12=4, Resulting Numbers: [4, 4] Generated Node #0,1,1: 50:[4, 4] Operation: 48/12=4 Exploring Operation: 12*4=48, Resulting Numbers: [48, 48] Generated Node #0,1,2: 50:[48, 48] Operation: 12*4=48 Exploring Operation: 12/4=3, Resulting Numbers: [48, 3] Generated Node #0,1,3: 50:[48, 3] Operation: 12/4=3 Exploring Operation: 4+48=52, Resulting Numbers: [12, 52] Generated Node #0,1,4: 50:[12, 52] Operation: 4+48=52 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 50:[4, 4], Operations: ['2+46=48', '48/12=4'] Exploring Operation: 4/4=1, Resulting Numbers: [1] 1,50 unequal: No Solution Exploring Operation: 4*4=16, Resulting Numbers: [16] 16,50 unequal: No Solution Exploring Operation: 4+4=8, Resulting Numbers: [8] 8,50 unequal: No Solution Exploring Operation: 4-4=0, Resulting Numbers: [0] 0,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 50:[48, 3], Operations: ['2+46=48', '12/4=3'] Exploring Operation: 48*3=144, Resulting Numbers: [144] 144,50 unequal: No Solution Exploring Operation: 48+3=51, Resulting Numbers: [51] 51,50 unequal: No Solution Exploring Operation: 48/3=16, Resulting Numbers: [16] 16,50 unequal: No Solution Exploring Operation: 48-3=45, Resulting Numbers: [45] 45,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 50:[48, 8], Operations: ['2+46=48', '12-4=8'] Exploring Operation: 48-8=40, Resulting Numbers: [40] 40,50 unequal: No Solution Exploring Operation: 48*8=384, Resulting Numbers: [384] 384,50 unequal: No Solution Exploring Operation: 48+8=56, Resulting Numbers: [56] 56,50 unequal: No Solution Exploring Operation: 48/8=6, Resulting Numbers: [6] 6,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 50:[48, 48], Operations: ['2+46=48', '12*4=48'] Exploring Operation: 48-48=0, Resulting Numbers: [0] 0,50 unequal: No Solution Exploring Operation: 48/48=1, Resulting Numbers: [1] 1,50 unequal: No Solution Exploring Operation: 48*48=2304, Resulting Numbers: [2304] 2304,50 unequal: No Solution Exploring Operation: 48+48=96, Resulting Numbers: [96] 96,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 50:[12, 52], Operations: ['2+46=48', '4+48=52'] Exploring Operation: 52-12=40, Resulting Numbers: [40] 40,50 unequal: No Solution Exploring Operation: 12+52=64, Resulting Numbers: [64] 64,50 unequal: No Solution Exploring Operation: 12*52=624, Resulting Numbers: [624] 624,50 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: 50:[12, 4, 23], Operations: ['46/2=23'] Exploring Operation: 12-4=8, Resulting Numbers: [23, 8] Generated Node #0,4,0: 50:[23, 8] Operation: 12-4=8 Exploring Operation: 12/4=3, Resulting Numbers: [23, 3] Generated Node #0,4,1: 50:[23, 3] Operation: 12/4=3 Exploring Operation: 12*4=48, Resulting Numbers: [23, 48] Generated Node #0,4,2: 50:[23, 48] Operation: 12*4=48 Exploring Operation: 4+23=27, Resulting Numbers: [12, 27] Generated Node #0,4,3: 50:[12, 27] Operation: 4+23=27 Exploring Operation: 23-12=11, Resulting Numbers: [4, 11] Generated Node #0,4,4: 50:[4, 11] Operation: 23-12=11 Moving to Node #0,0 Current State: 50:[2, 46, 3], Operations: ['12/4=3'] Exploring Operation: 2+3=5, Resulting Numbers: [46, 5] Generated Node #0,0,0: 50:[46, 5] Operation: 2+3=5 Exploring Operation: 2+46=48, Resulting Numbers: [3, 48] Generated Node #0,0,1: 50:[3, 48] Operation: 2+46=48 Exploring Operation: 2*3=6, Resulting Numbers: [46, 6] Generated Node #0,0,2: 50:[46, 6] Operation: 2*3=6 Exploring Operation: 46+3=49, Resulting Numbers: [2, 49] Generated Node #0,0,3: 50:[2, 49] Operation: 46+3=49 Exploring Operation: 46/2=23, Resulting Numbers: [3, 23] Generated Node #0,0,4: 50:[3, 23] Operation: 46/2=23 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 50:[2, 49], Operations: ['12/4=3', '46+3=49'] Exploring Operation: 2+49=51, Resulting Numbers: [51] 51,50 unequal: No Solution Exploring Operation: 49-2=47, Resulting Numbers: [47] 47,50 unequal: No Solution Exploring Operation: 2*49=98, Resulting Numbers: [98] 98,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 50:[3, 48], Operations: ['12/4=3', '2+46=48'] Exploring Operation: 3+48=51, Resulting Numbers: [51] 51,50 unequal: No Solution Exploring Operation: 3*48=144, Resulting Numbers: [144] 144,50 unequal: No Solution Exploring Operation: 48/3=16, Resulting Numbers: [16] 16,50 unequal: No Solution Exploring Operation: 48-3=45, Resulting Numbers: [45] 45,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 50:[3, 23], Operations: ['12/4=3', '46/2=23'] Exploring Operation: 23-3=20, Resulting Numbers: [20] 20,50 unequal: No Solution Exploring Operation: 3*23=69, Resulting Numbers: [69] 69,50 unequal: No Solution Exploring Operation: 3+23=26, Resulting Numbers: [26] 26,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 50:[46, 5], Operations: ['12/4=3', '2+3=5'] Exploring Operation: 46+5=51, Resulting Numbers: [51] 51,50 unequal: No Solution Exploring Operation: 46*5=230, Resulting Numbers: [230] 230,50 unequal: No Solution Exploring Operation: 46-5=41, Resulting Numbers: [41] 41,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 50:[46, 6], Operations: ['12/4=3', '2*3=6'] Exploring Operation: 46+6=52, Resulting Numbers: [52] 52,50 unequal: No Solution Exploring Operation: 46*6=276, Resulting Numbers: [276] 276,50 unequal: No Solution Exploring Operation: 46-6=40, Resulting Numbers: [40] 40,50 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: 50:[4, 46, 10], Operations: ['12-2=10'] Exploring Operation: 4+10=14, Resulting Numbers: [46, 14] Generated Node #0,3,0: 50:[46, 14] Operation: 4+10=14 Exploring Operation: 10-4=6, Resulting Numbers: [46, 6] Generated Node #0,3,1: 50:[46, 6] Operation: 10-4=6 Exploring Operation: 46+10=56, Resulting Numbers: [4, 56] Generated Node #0,3,2: 50:[4, 56] Operation: 46+10=56 Exploring Operation: 46-4=42, Resulting Numbers: [10, 42] Generated Node #0,3,3: 50:[10, 42] Operation: 46-4=42 Exploring Operation: 4+46=50, Resulting Numbers: [10, 50] Generated Node #0,3,4: 50:[10, 50] Operation: 4+46=50 Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 50:[10, 50], Operations: ['12-2=10', '4+46=50'] Exploring Operation: 50/10=5, Resulting Numbers: [5] 5,50 unequal: No Solution Exploring Operation: 10*50=500, Resulting Numbers: [500] 500,50 unequal: No Solution Exploring Operation: 50-10=40, Resulting Numbers: [40] 40,50 unequal: No Solution Exploring Operation: 10+50=60, Resulting Numbers: [60] 60,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 50:[46, 6], Operations: ['12-2=10', '10-4=6'] Exploring Operation: 46-6=40, Resulting Numbers: [40] 40,50 unequal: No Solution Exploring Operation: 46*6=276, Resulting Numbers: [276] 276,50 unequal: No Solution Exploring Operation: 46+6=52, Resulting Numbers: [52] 52,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 50:[4, 56], Operations: ['12-2=10', '46+10=56'] Exploring Operation: 4*56=224, Resulting Numbers: [224] 224,50 unequal: No Solution Exploring Operation: 56-4=52, Resulting Numbers: [52] 52,50 unequal: No Solution Exploring Operation: 56/4=14, Resulting Numbers: [14] 14,50 unequal: No Solution Exploring Operation: 4+56=60, Resulting Numbers: [60] 60,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 50:[46, 14], Operations: ['12-2=10', '4+10=14'] Exploring Operation: 46+14=60, Resulting Numbers: [60] 60,50 unequal: No Solution Exploring Operation: 46*14=644, Resulting Numbers: [644] 644,50 unequal: No Solution Exploring Operation: 46-14=32, Resulting Numbers: [32] 32,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 50:[10, 42], Operations: ['12-2=10', '46-4=42'] Exploring Operation: 10+42=52, Resulting Numbers: [52] 52,50 unequal: No Solution Exploring Operation: 42-10=32, Resulting Numbers: [32] 32,50 unequal: No Solution Exploring Operation: 10*42=420, Resulting Numbers: [420] 420,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2,1 Current State: 50:[50, 10], Operations: ['4+46=50', '12-2=10'] Exploring Operation: 50+10=60, Resulting Numbers: [60] 60,50 unequal: No Solution Exploring Operation: 50/10=5, Resulting Numbers: [5] 5,50 unequal: No Solution Exploring Operation: 50-10=40, Resulting Numbers: [40] 40,50 unequal: No Solution Exploring Operation: 50*10=500, Resulting Numbers: [500] 500,50 unequal: No Solution Moving to Node #0,2,3 Current State: 50:[50, 6], Operations: ['4+46=50', '12/2=6'] Exploring Operation: 50*6=300, Resulting Numbers: [300] 300,50 unequal: No Solution Exploring Operation: 50-6=44, Resulting Numbers: [44] 44,50 unequal: No Solution Exploring Operation: 50+6=56, Resulting Numbers: [56] 56,50 unequal: No Solution Moving to Node #0,2,0 Current State: 50:[50, 24], Operations: ['4+46=50', '12*2=24'] Exploring Operation: 50*24=1200, Resulting Numbers: [1200] 1200,50 unequal: No Solution Exploring Operation: 50+24=74, Resulting Numbers: [74] 74,50 unequal: No Solution Exploring Operation: 50-24=26, Resulting Numbers: [26] 26,50 unequal: No Solution Moving to Node #0,4,4 Current State: 50:[4, 11], Operations: ['46/2=23', '23-12=11'] Exploring Operation: 4+11=15, Resulting Numbers: [15] 15,50 unequal: No Solution Exploring Operation: 11-4=7, Resulting Numbers: [7] 7,50 unequal: No Solution Exploring Operation: 4*11=44, Resulting Numbers: [44] 44,50 unequal: No Solution Moving to Node #0,2,4 Current State: 50:[12, 25], Operations: ['4+46=50', '50/2=25'] Exploring Operation: 25-12=13, Resulting Numbers: [13] 13,50 unequal: No Solution Exploring Operation: 12+25=37, Resulting Numbers: [37] 37,50 unequal: No Solution Exploring Operation: 12*25=300, Resulting Numbers: [300] 300,50 unequal: No Solution Moving to Node #0,4,1 Current State: 50:[23, 3], Operations: ['46/2=23', '12/4=3'] Exploring Operation: 23*3=69, Resulting Numbers: [69] 69,50 unequal: No Solution Exploring Operation: 23-3=20, Resulting Numbers: [20] 20,50 unequal: No Solution Exploring Operation: 23+3=26, Resulting Numbers: [26] 26,50 unequal: No Solution Moving to Node #0,4,3 Current State: 50:[12, 27], Operations: ['46/2=23', '4+23=27'] Exploring Operation: 12*27=324, Resulting Numbers: [324] 324,50 unequal: No Solution Exploring Operation: 12+27=39, Resulting Numbers: [39] 39,50 unequal: No Solution Exploring Operation: 27-12=15, Resulting Numbers: [15] 15,50 unequal: No Solution Moving to Node #0,4,2 Current State: 50:[23, 48], Operations: ['46/2=23', '12*4=48'] Exploring Operation: 23*48=1104, Resulting Numbers: [1104] 1104,50 unequal: No Solution Exploring Operation: 48-23=25, Resulting Numbers: [25] 25,50 unequal: No Solution Exploring Operation: 23+48=71, Resulting Numbers: [71] 71,50 unequal: No Solution Moving to Node #0,2,2 Current State: 50:[50, 14], Operations: ['4+46=50', '12+2=14'] Exploring Operation: 50+14=64, Resulting Numbers: [64] 64,50 unequal: No Solution Exploring Operation: 50-14=36, Resulting Numbers: [36] 36,50 unequal: No Solution Exploring Operation: 50*14=700, Resulting Numbers: [700] 700,50 unequal: No Solution Moving to Node #0,4,0 Current State: 50:[23, 8], Operations: ['46/2=23', '12-4=8'] Exploring Operation: 23*8=184, Resulting Numbers: [184] 184,50 unequal: No Solution Exploring Operation: 23+8=31, Resulting Numbers: [31] 31,50 unequal: No Solution Exploring Operation: 23-8=15, Resulting Numbers: [15] 15,50 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 28, 31, 45, 14 ]
74
[ "28/14=2", "31+45=76", "76-2=74" ]
Current State: 74:[28, 31, 45, 14], Operations: [] Exploring Operation: 28/14=2, Resulting Numbers: [31, 45, 2] Generated Node #2: [31, 45, 2] from Operation: 28/14=2 Current State: 74:[31, 45, 2], Operations: ['28/14=2'] Exploring Operation: 31+45=76, Resulting Numbers: [2, 76] Generated Node #3: [2, 76] from Operation: 31+45=76 Current State: 74:[2, 76], Operations: ['28/14=2', '31+45=76'] Exploring Operation: 76-2=74, Resulting Numbers: [74] 74,74 equal: Goal Reached
4
Current State: 74:[28, 31, 45, 14], Operations: [] Exploring Operation: 28+45=73, Resulting Numbers: [31, 14, 73] Generated Node #0,0: 74:[31, 14, 73] Operation: 28+45=73 Exploring Operation: 28/14=2, Resulting Numbers: [31, 45, 2] Generated Node #0,1: 74:[31, 45, 2] Operation: 28/14=2 Moving to Node #0,1 Current State: 74:[31, 45, 2], Operations: ['28/14=2'] Exploring Operation: 31+45=76, Resulting Numbers: [2, 76] Generated Node #0,1,0: 74:[2, 76] Operation: 31+45=76 Exploring Operation: 45-31=14, Resulting Numbers: [2, 14] Generated Node #0,1,1: 74:[2, 14] Operation: 45-31=14 Moving to Node #0,0 Current State: 74:[31, 14, 73], Operations: ['28+45=73'] Exploring Operation: 31+14=45, Resulting Numbers: [73, 45] Generated Node #0,0,0: 74:[73, 45] Operation: 31+14=45 Exploring Operation: 31-14=17, Resulting Numbers: [73, 17] Generated Node #0,0,1: 74:[73, 17] Operation: 31-14=17 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 74:[73, 45], Operations: ['28+45=73', '31+14=45'] Exploring Operation: 73-45=28, Resulting Numbers: [28] 28,74 unequal: No Solution Exploring Operation: 73+45=118, Resulting Numbers: [118] 118,74 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 #0,0,1 Current State: 74:[73, 17], Operations: ['28+45=73', '31-14=17'] Exploring Operation: 73+17=90, Resulting Numbers: [90] 90,74 unequal: No Solution Exploring Operation: 73-17=56, Resulting Numbers: [56] 56,74 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1,0 Current State: 74:[2, 76], Operations: ['28/14=2', '31+45=76'] Exploring Operation: 76/2=38, Resulting Numbers: [38] 38,74 unequal: No Solution Exploring Operation: 76-2=74, Resulting Numbers: [74] 74,74 equal: Goal Reached Moving to Node #0 Current State: 74:[28, 31, 45, 14], Operations: [] Exploring Operation: 28/14=2, Resulting Numbers: [31, 45, 2] Generated Node #0,1: 74:[31, 45, 2] Operation: 28/14=2 Moving to Node #0,1 Current State: 74:[31, 45, 2], Operations: ['28/14=2'] Exploring Operation: 31+45=76, Resulting Numbers: [2, 76] Generated Node #0,1,0: 74:[2, 76] Operation: 31+45=76 Moving to Node #0,1,0 Current State: 74:[2, 76], Operations: ['28/14=2', '31+45=76'] Exploring Operation: 76-2=74, Resulting Numbers: [74] 74,74 equal: Goal Reached
0.986111
hs_2
sum_heuristic
[ 81, 44, 65, 2 ]
52
[ "81-65=16", "16/2=8", "44+8=52" ]
Current State: 52:[81, 44, 65, 2], Operations: [] Exploring Operation: 81-65=16, Resulting Numbers: [44, 2, 16] Generated Node #2: [44, 2, 16] from Operation: 81-65=16 Current State: 52:[44, 2, 16], Operations: ['81-65=16'] Exploring Operation: 16/2=8, Resulting Numbers: [44, 8] Generated Node #3: [44, 8] from Operation: 16/2=8 Current State: 52:[44, 8], Operations: ['81-65=16', '16/2=8'] Exploring Operation: 44+8=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[81, 44, 65, 2], Operations: [] Exploring Operation: 81-44=37, Resulting Numbers: [65, 2, 37] Generated Node #0,0: 52:[65, 2, 37] Operation: 81-44=37 Exploring Operation: 65-44=21, Resulting Numbers: [81, 2, 21] Generated Node #0,1: 52:[81, 2, 21] Operation: 65-44=21 Exploring Operation: 81-65=16, Resulting Numbers: [44, 2, 16] Generated Node #0,2: 52:[44, 2, 16] Operation: 81-65=16 Moving to Node #0,2 Current State: 52:[44, 2, 16], Operations: ['81-65=16'] Exploring Operation: 44-16=28, Resulting Numbers: [2, 28] Generated Node #0,2,0: 52:[2, 28] Operation: 44-16=28 Exploring Operation: 44/2=22, Resulting Numbers: [16, 22] Generated Node #0,2,1: 52:[16, 22] Operation: 44/2=22 Exploring Operation: 44+16=60, Resulting Numbers: [2, 60] Generated Node #0,2,2: 52:[2, 60] Operation: 44+16=60 Moving to Node #0,0 Current State: 52:[65, 2, 37], Operations: ['81-44=37'] Exploring Operation: 65-2=63, Resulting Numbers: [37, 63] Generated Node #0,0,0: 52:[37, 63] Operation: 65-2=63 Exploring Operation: 37-2=35, Resulting Numbers: [65, 35] Generated Node #0,0,1: 52:[65, 35] Operation: 37-2=35 Exploring Operation: 65-37=28, Resulting Numbers: [2, 28] Generated Node #0,0,2: 52:[2, 28] Operation: 65-37=28 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 52:[2, 28], Operations: ['81-44=37', '65-37=28'] Exploring Operation: 28/2=14, Resulting Numbers: [14] 14,52 unequal: No Solution Exploring Operation: 28-2=26, Resulting Numbers: [26] 26,52 unequal: No Solution Exploring Operation: 2+28=30, Resulting Numbers: [30] 30,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 52:[37, 63], Operations: ['81-44=37', '65-2=63'] Exploring Operation: 37*63=2331, Resulting Numbers: [2331] 2331,52 unequal: No Solution Exploring Operation: 37+63=100, Resulting Numbers: [100] 100,52 unequal: No Solution Exploring Operation: 63-37=26, Resulting Numbers: [26] 26,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 52:[65, 35], Operations: ['81-44=37', '37-2=35'] Exploring Operation: 65*35=2275, Resulting Numbers: [2275] 2275,52 unequal: No Solution Exploring Operation: 65-35=30, Resulting Numbers: [30] 30,52 unequal: No Solution Exploring Operation: 65+35=100, Resulting Numbers: [100] 100,52 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: 52:[81, 2, 21], Operations: ['65-44=21'] Exploring Operation: 81-21=60, Resulting Numbers: [2, 60] Generated Node #0,1,0: 52:[2, 60] Operation: 81-21=60 Exploring Operation: 2+21=23, Resulting Numbers: [81, 23] Generated Node #0,1,1: 52:[81, 23] Operation: 2+21=23 Exploring Operation: 81-2=79, Resulting Numbers: [21, 79] Generated Node #0,1,2: 52:[21, 79] Operation: 81-2=79 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 52:[2, 60], Operations: ['65-44=21', '81-21=60'] Exploring Operation: 60/2=30, Resulting Numbers: [30] 30,52 unequal: No Solution Exploring Operation: 60-2=58, Resulting Numbers: [58] 58,52 unequal: No Solution Exploring Operation: 2+60=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 #0,1,1 Current State: 52:[81, 23], Operations: ['65-44=21', '2+21=23'] Exploring Operation: 81+23=104, Resulting Numbers: [104] 104,52 unequal: No Solution Exploring Operation: 81*23=1863, Resulting Numbers: [1863] 1863,52 unequal: No Solution Exploring Operation: 81-23=58, Resulting Numbers: [58] 58,52 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:[21, 79], Operations: ['65-44=21', '81-2=79'] Exploring Operation: 21+79=100, Resulting Numbers: [100] 100,52 unequal: No Solution Exploring Operation: 79-21=58, Resulting Numbers: [58] 58,52 unequal: No Solution Exploring Operation: 21*79=1659, Resulting Numbers: [1659] 1659,52 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: 52:[2, 28], Operations: ['81-65=16', '44-16=28'] Exploring Operation: 28-2=26, Resulting Numbers: [26] 26,52 unequal: No Solution Exploring Operation: 2+28=30, Resulting Numbers: [30] 30,52 unequal: No Solution Exploring Operation: 28/2=14, Resulting Numbers: [14] 14,52 unequal: No Solution Moving to Node #0,2,1 Current State: 52:[16, 22], Operations: ['81-65=16', '44/2=22'] Exploring Operation: 22-16=6, Resulting Numbers: [6] 6,52 unequal: No Solution Exploring Operation: 16*22=352, Resulting Numbers: [352] 352,52 unequal: No Solution Exploring Operation: 16+22=38, Resulting Numbers: [38] 38,52 unequal: No Solution Moving to Node #0,2,2 Current State: 52:[2, 60], Operations: ['81-65=16', '44+16=60'] Exploring Operation: 60-2=58, Resulting Numbers: [58] 58,52 unequal: No Solution Exploring Operation: 2+60=62, Resulting Numbers: [62] 62,52 unequal: No Solution Exploring Operation: 60/2=30, Resulting Numbers: [30] 30,52 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 33, 93, 6, 30 ]
20
[ "93-33=60", "60/6=10", "30-10=20" ]
Current State: 20:[33, 93, 6, 30], Operations: [] Exploring Operation: 93-33=60, Resulting Numbers: [6, 30, 60] Generated Node #2: [6, 30, 60] from Operation: 93-33=60 Current State: 20:[6, 30, 60], Operations: ['93-33=60'] Exploring Operation: 60/6=10, Resulting Numbers: [30, 10] Generated Node #3: [30, 10] from Operation: 60/6=10 Current State: 20:[30, 10], Operations: ['93-33=60', '60/6=10'] Exploring Operation: 30-10=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[33, 93, 6, 30], Operations: [] Exploring Operation: 30/6=5, Resulting Numbers: [33, 93, 5] Generated Node #0,0: 20:[33, 93, 5] Operation: 30/6=5 Exploring Operation: 33-6=27, Resulting Numbers: [93, 30, 27] Generated Node #0,1: 20:[93, 30, 27] Operation: 33-6=27 Exploring Operation: 33-30=3, Resulting Numbers: [93, 6, 3] Generated Node #0,2: 20:[93, 6, 3] Operation: 33-30=3 Exploring Operation: 93-33=60, Resulting Numbers: [6, 30, 60] Generated Node #0,3: 20:[6, 30, 60] Operation: 93-33=60 Exploring Operation: 93-30=63, Resulting Numbers: [33, 6, 63] Generated Node #0,4: 20:[33, 6, 63] Operation: 93-30=63 Start Sub Search at level 1: Moving to Node #0,3 Current State: 20:[6, 30, 60], Operations: ['93-33=60'] Exploring Operation: 60/6=10, Resulting Numbers: [30, 10] Generated Node #0,3,0: 20:[30, 10] Operation: 60/6=10 Exploring Operation: 30/6=5, Resulting Numbers: [60, 5] Generated Node #0,3,1: 20:[60, 5] Operation: 30/6=5 Exploring Operation: 60/30=2, Resulting Numbers: [6, 2] Generated Node #0,3,2: 20:[6, 2] Operation: 60/30=2 Exploring Operation: 30-6=24, Resulting Numbers: [60, 24] Generated Node #0,3,3: 20:[60, 24] Operation: 30-6=24 Exploring Operation: 60-30=30, Resulting Numbers: [6, 30] Generated Node #0,3,4: 20:[6, 30] Operation: 60-30=30 Moving to Node #0,3,2 Current State: 20:[6, 2], Operations: ['93-33=60', '60/30=2'] Exploring Operation: 6/2=3, Resulting Numbers: [3] 3,20 unequal: No Solution Exploring Operation: 6+2=8, Resulting Numbers: [8] 8,20 unequal: No Solution Exploring Operation: 6-2=4, Resulting Numbers: [4] 4,20 unequal: No Solution Exploring Operation: 6*2=12, Resulting Numbers: [12] 12,20 unequal: No Solution Moving to Node #0,3,0 Current State: 20:[30, 10], Operations: ['93-33=60', '60/6=10'] Exploring Operation: 30-10=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Moving to Node #0 Current State: 20:[33, 93, 6, 30], Operations: [] Exploring Operation: 93-33=60, Resulting Numbers: [6, 30, 60] Generated Node #0,3: 20:[6, 30, 60] Operation: 93-33=60 Moving to Node #0,3 Current State: 20:[6, 30, 60], Operations: ['93-33=60'] Exploring Operation: 60/6=10, Resulting Numbers: [30, 10] Generated Node #0,3,0: 20:[30, 10] Operation: 60/6=10 Moving to Node #0,3,0 Current State: 20:[30, 10], Operations: ['93-33=60', '60/6=10'] Exploring Operation: 30-10=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Exit Sub Search at level 1
0.983507
hs_5
mult_heuristic
[ 50, 8, 79, 61 ]
82
[ "50+8=58", "79+61=140", "140-58=82" ]
Current State: 82:[50, 8, 79, 61], Operations: [] Exploring Operation: 50+8=58, Resulting Numbers: [79, 61, 58] Generated Node #2: [79, 61, 58] from Operation: 50+8=58 Current State: 82:[79, 61, 58], Operations: ['50+8=58'] Exploring Operation: 79+61=140, Resulting Numbers: [58, 140] Generated Node #3: [58, 140] from Operation: 79+61=140 Current State: 82:[58, 140], Operations: ['50+8=58', '79+61=140'] Exploring Operation: 140-58=82, Resulting Numbers: [82] 82,82 equal: Goal Reached
4
Current State: 82:[50, 8, 79, 61], Operations: [] Exploring Operation: 50-8=42, Resulting Numbers: [79, 61, 42] Generated Node #0,0: 82:[79, 61, 42] Operation: 50-8=42 Exploring Operation: 61-50=11, Resulting Numbers: [8, 79, 11] Generated Node #0,1: 82:[8, 79, 11] Operation: 61-50=11 Start Sub Search at level 1: Moving to Node #0,1 Current State: 82:[8, 79, 11], Operations: ['61-50=11'] Exploring Operation: 8*11=88, Resulting Numbers: [79, 88] Generated Node #0,1,0: 82:[79, 88] Operation: 8*11=88 Exploring Operation: 11-8=3, Resulting Numbers: [79, 3] Generated Node #0,1,1: 82:[79, 3] Operation: 11-8=3 Moving to Node #0,1,1 Current State: 82:[79, 3], Operations: ['61-50=11', '11-8=3'] Exploring Operation: 79-3=76, Resulting Numbers: [76] 76,82 unequal: No Solution Exploring Operation: 79+3=82, Resulting Numbers: [82] 82,82 equal: Goal Reached Moving to Node #0 Current State: 82:[50, 8, 79, 61], Operations: [] Exploring Operation: 61-50=11, Resulting Numbers: [8, 79, 11] Generated Node #0,1: 82:[8, 79, 11] Operation: 61-50=11 Moving to Node #0,1 Current State: 82:[8, 79, 11], Operations: ['61-50=11'] Exploring Operation: 11-8=3, Resulting Numbers: [79, 3] Generated Node #0,1,1: 82:[79, 3] Operation: 11-8=3 Moving to Node #0,1,1 Current State: 82:[79, 3], Operations: ['61-50=11', '11-8=3'] Exploring Operation: 79+3=82, Resulting Numbers: [82] 82,82 equal: Goal Reached Exit Sub Search at level 1
0.991319
hs_2
sum_heuristic
[ 5, 7, 9, 40 ]
79
[ "40/5=8", "9*8=72", "7+72=79" ]
Current State: 79:[5, 7, 9, 40], Operations: [] Exploring Operation: 40/5=8, Resulting Numbers: [7, 9, 8] Generated Node #2: [7, 9, 8] from Operation: 40/5=8 Current State: 79:[7, 9, 8], Operations: ['40/5=8'] Exploring Operation: 9*8=72, Resulting Numbers: [7, 72] Generated Node #3: [7, 72] from Operation: 9*8=72 Current State: 79:[7, 72], Operations: ['40/5=8', '9*8=72'] Exploring Operation: 7+72=79, Resulting Numbers: [79] 79,79 equal: Goal Reached
4
Current State: 79:[5, 7, 9, 40], Operations: [] Exploring Operation: 5+7=12, Resulting Numbers: [9, 40, 12] Generated Node #0,0: 79:[9, 40, 12] Operation: 5+7=12 Exploring Operation: 5*7=35, Resulting Numbers: [9, 40, 35] Generated Node #0,1: 79:[9, 40, 35] Operation: 5*7=35 Exploring Operation: 5*9=45, Resulting Numbers: [7, 40, 45] Generated Node #0,2: 79:[7, 40, 45] Operation: 5*9=45 Exploring Operation: 7*9=63, Resulting Numbers: [5, 40, 63] Generated Node #0,3: 79:[5, 40, 63] Operation: 7*9=63 Start Sub Search at level 1: Moving to Node #0,3 Current State: 79:[5, 40, 63], Operations: ['7*9=63'] Exploring Operation: 40-5=35, Resulting Numbers: [63, 35] Generated Node #0,3,0: 79:[63, 35] Operation: 40-5=35 Exploring Operation: 5+40=45, Resulting Numbers: [63, 45] Generated Node #0,3,1: 79:[63, 45] Operation: 5+40=45 Exploring Operation: 63-5=58, Resulting Numbers: [40, 58] Generated Node #0,3,2: 79:[40, 58] Operation: 63-5=58 Exploring Operation: 5+63=68, Resulting Numbers: [40, 68] Generated Node #0,3,3: 79:[40, 68] Operation: 5+63=68 Moving to Node #0,3,1 Current State: 79:[63, 45], Operations: ['7*9=63', '5+40=45'] Exploring Operation: 63-45=18, Resulting Numbers: [18] 18,79 unequal: No Solution Exploring Operation: 63*45=2835, Resulting Numbers: [2835] 2835,79 unequal: No Solution Exploring Operation: 63+45=108, Resulting Numbers: [108] 108,79 unequal: No Solution Moving to Node #0,3,3 Current State: 79:[40, 68], Operations: ['7*9=63', '5+63=68'] Exploring Operation: 68-40=28, Resulting Numbers: [28] 28,79 unequal: No Solution Exploring Operation: 40+68=108, Resulting Numbers: [108] 108,79 unequal: No Solution Exploring Operation: 40*68=2720, Resulting Numbers: [2720] 2720,79 unequal: No Solution Moving to Node #0,3,2 Current State: 79:[40, 58], Operations: ['7*9=63', '63-5=58'] Exploring Operation: 40+58=98, Resulting Numbers: [98] 98,79 unequal: No Solution Exploring Operation: 40*58=2320, Resulting Numbers: [2320] 2320,79 unequal: No Solution Exploring Operation: 58-40=18, Resulting Numbers: [18] 18,79 unequal: No Solution Moving to Node #0,3,0 Current State: 79:[63, 35], Operations: ['7*9=63', '40-5=35'] Exploring Operation: 63*35=2205, Resulting Numbers: [2205] 2205,79 unequal: No Solution Exploring Operation: 63+35=98, Resulting Numbers: [98] 98,79 unequal: No Solution Exploring Operation: 63-35=28, Resulting Numbers: [28] 28,79 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 #0,2 Current State: 79:[7, 40, 45], Operations: ['5*9=45'] Exploring Operation: 7+40=47, Resulting Numbers: [45, 47] Generated Node #0,2,0: 79:[45, 47] Operation: 7+40=47 Exploring Operation: 7+45=52, Resulting Numbers: [40, 52] Generated Node #0,2,1: 79:[40, 52] Operation: 7+45=52 Exploring Operation: 40-7=33, Resulting Numbers: [45, 33] Generated Node #0,2,2: 79:[45, 33] Operation: 40-7=33 Exploring Operation: 40+45=85, Resulting Numbers: [7, 85] Generated Node #0,2,3: 79:[7, 85] Operation: 40+45=85 Moving to Node #0,2,0 Current State: 79:[45, 47], Operations: ['5*9=45', '7+40=47'] Exploring Operation: 45+47=92, Resulting Numbers: [92] 92,79 unequal: No Solution Exploring Operation: 45*47=2115, Resulting Numbers: [2115] 2115,79 unequal: No Solution Exploring Operation: 47-45=2, Resulting Numbers: [2] 2,79 unequal: No Solution Moving to Node #0,2,1 Current State: 79:[40, 52], Operations: ['5*9=45', '7+45=52'] Exploring Operation: 40*52=2080, Resulting Numbers: [2080] 2080,79 unequal: No Solution Exploring Operation: 40+52=92, Resulting Numbers: [92] 92,79 unequal: No Solution Exploring Operation: 52-40=12, Resulting Numbers: [12] 12,79 unequal: No Solution Moving to Node #0,2,3 Current State: 79:[7, 85], Operations: ['5*9=45', '40+45=85'] Exploring Operation: 85-7=78, Resulting Numbers: [78] 78,79 unequal: No Solution Exploring Operation: 7+85=92, Resulting Numbers: [92] 92,79 unequal: No Solution Exploring Operation: 7*85=595, Resulting Numbers: [595] 595,79 unequal: No Solution Moving to Node #0,2,2 Current State: 79:[45, 33], Operations: ['5*9=45', '40-7=33'] Exploring Operation: 45-33=12, Resulting Numbers: [12] 12,79 unequal: No Solution Exploring Operation: 45+33=78, Resulting Numbers: [78] 78,79 unequal: No Solution Exploring Operation: 45*33=1485, Resulting Numbers: [1485] 1485,79 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 Current State: 79:[9, 40, 35], Operations: ['5*7=35'] Exploring Operation: 40+35=75, Resulting Numbers: [9, 75] Generated Node #0,1,0: 79:[9, 75] Operation: 40+35=75 Exploring Operation: 9+40=49, Resulting Numbers: [35, 49] Generated Node #0,1,1: 79:[35, 49] Operation: 9+40=49 Exploring Operation: 9+35=44, Resulting Numbers: [40, 44] Generated Node #0,1,2: 79:[40, 44] Operation: 9+35=44 Exploring Operation: 40-9=31, Resulting Numbers: [35, 31] Generated Node #0,1,3: 79:[35, 31] Operation: 40-9=31 Moving to Node #0,1,0 Current State: 79:[9, 75], Operations: ['5*7=35', '40+35=75'] Exploring Operation: 9*75=675, Resulting Numbers: [675] 675,79 unequal: No Solution Exploring Operation: 9+75=84, Resulting Numbers: [84] 84,79 unequal: No Solution Exploring Operation: 75-9=66, Resulting Numbers: [66] 66,79 unequal: No Solution Moving to Node #0,1,2 Current State: 79:[40, 44], Operations: ['5*7=35', '9+35=44'] Exploring Operation: 40+44=84, Resulting Numbers: [84] 84,79 unequal: No Solution Exploring Operation: 44-40=4, Resulting Numbers: [4] 4,79 unequal: No Solution Exploring Operation: 40*44=1760, Resulting Numbers: [1760] 1760,79 unequal: No Solution Moving to Node #0,1,1 Current State: 79:[35, 49], Operations: ['5*7=35', '9+40=49'] Exploring Operation: 49-35=14, Resulting Numbers: [14] 14,79 unequal: No Solution Exploring Operation: 35*49=1715, Resulting Numbers: [1715] 1715,79 unequal: No Solution Exploring Operation: 35+49=84, Resulting Numbers: [84] 84,79 unequal: No Solution Moving to Node #0,1,3 Current State: 79:[35, 31], Operations: ['5*7=35', '40-9=31'] Exploring Operation: 35-31=4, Resulting Numbers: [4] 4,79 unequal: No Solution Exploring Operation: 35*31=1085, Resulting Numbers: [1085] 1085,79 unequal: No Solution Exploring Operation: 35+31=66, Resulting Numbers: [66] 66,79 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 #0,0 Current State: 79:[9, 40, 12], Operations: ['5+7=12'] Exploring Operation: 9*12=108, Resulting Numbers: [40, 108] Generated Node #0,0,0: 79:[40, 108] Operation: 9*12=108 Exploring Operation: 40+12=52, Resulting Numbers: [9, 52] Generated Node #0,0,1: 79:[9, 52] Operation: 40+12=52 Exploring Operation: 9+12=21, Resulting Numbers: [40, 21] Generated Node #0,0,2: 79:[40, 21] Operation: 9+12=21 Exploring Operation: 9+40=49, Resulting Numbers: [12, 49] Generated Node #0,0,3: 79:[12, 49] Operation: 9+40=49 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 79:[40, 108], Operations: ['5+7=12', '9*12=108'] Exploring Operation: 108-40=68, Resulting Numbers: [68] 68,79 unequal: No Solution Exploring Operation: 40+108=148, Resulting Numbers: [148] 148,79 unequal: No Solution Exploring Operation: 40*108=4320, Resulting Numbers: [4320] 4320,79 unequal: No Solution No 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: 79:[9, 52], Operations: ['5+7=12', '40+12=52'] Exploring Operation: 9+52=61, Resulting Numbers: [61] 61,79 unequal: No Solution Exploring Operation: 52-9=43, Resulting Numbers: [43] 43,79 unequal: No Solution Exploring Operation: 9*52=468, Resulting Numbers: [468] 468,79 unequal: No Solution No 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: 79:[40, 21], Operations: ['5+7=12', '9+12=21'] Exploring Operation: 40*21=840, Resulting Numbers: [840] 840,79 unequal: No Solution Exploring Operation: 40-21=19, Resulting Numbers: [19] 19,79 unequal: No Solution Exploring Operation: 40+21=61, Resulting Numbers: [61] 61,79 unequal: No Solution No 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: 79:[12, 49], Operations: ['5+7=12', '9+40=49'] Exploring Operation: 49-12=37, Resulting Numbers: [37] 37,79 unequal: No Solution Exploring Operation: 12*49=588, Resulting Numbers: [588] 588,79 unequal: No Solution Exploring Operation: 12+49=61, Resulting Numbers: [61] 61,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
sum_heuristic
[ 67, 64, 12, 91 ]
87
[ "67-64=3", "12/3=4", "91-4=87" ]
Current State: 87:[67, 64, 12, 91], Operations: [] Exploring Operation: 67-64=3, Resulting Numbers: [12, 91, 3] Generated Node #2: [12, 91, 3] from Operation: 67-64=3 Current State: 87:[12, 91, 3], Operations: ['67-64=3'] Exploring Operation: 12/3=4, Resulting Numbers: [91, 4] Generated Node #3: [91, 4] from Operation: 12/3=4 Current State: 87:[91, 4], Operations: ['67-64=3', '12/3=4'] Exploring Operation: 91-4=87, Resulting Numbers: [87] 87,87 equal: Goal Reached
4
Current State: 87:[67, 64, 12, 91], Operations: [] Exploring Operation: 67-64=3, Resulting Numbers: [12, 91, 3] Generated Node #0,0: 87:[12, 91, 3] Operation: 67-64=3 Exploring Operation: 91-64=27, Resulting Numbers: [67, 12, 27] Generated Node #0,1: 87:[67, 12, 27] Operation: 91-64=27 Exploring Operation: 67+12=79, Resulting Numbers: [64, 91, 79] Generated Node #0,2: 87:[64, 91, 79] Operation: 67+12=79 Moving to Node #0,0 Current State: 87:[12, 91, 3], Operations: ['67-64=3'] Exploring Operation: 12/3=4, Resulting Numbers: [91, 4] Generated Node #0,0,0: 87:[91, 4] Operation: 12/3=4 Exploring Operation: 12-3=9, Resulting Numbers: [91, 9] Generated Node #0,0,1: 87:[91, 9] Operation: 12-3=9 Exploring Operation: 91-12=79, Resulting Numbers: [3, 79] Generated Node #0,0,2: 87:[3, 79] Operation: 91-12=79 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 87:[91, 4], Operations: ['67-64=3', '12/3=4'] Exploring Operation: 91-4=87, Resulting Numbers: [87] 87,87 equal: Goal Reached Moving to Node #0 Current State: 87:[67, 64, 12, 91], Operations: [] Exploring Operation: 67-64=3, Resulting Numbers: [12, 91, 3] Generated Node #0,0: 87:[12, 91, 3] Operation: 67-64=3 Moving to Node #0,0 Current State: 87:[12, 91, 3], Operations: ['67-64=3'] Exploring Operation: 12/3=4, Resulting Numbers: [91, 4] Generated Node #0,0,0: 87:[91, 4] Operation: 12/3=4 Moving to Node #0,0,0 Current State: 87:[91, 4], Operations: ['67-64=3', '12/3=4'] Exploring Operation: 91-4=87, Resulting Numbers: [87] 87,87 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_3
sum_heuristic
[ 48, 20, 88, 76 ]
78
[ "88-48=40", "40/20=2", "76+2=78" ]
Current State: 78:[48, 20, 88, 76], Operations: [] Exploring Operation: 88-48=40, Resulting Numbers: [20, 76, 40] Generated Node #2: [20, 76, 40] from Operation: 88-48=40 Current State: 78:[20, 76, 40], Operations: ['88-48=40'] Exploring Operation: 40/20=2, Resulting Numbers: [76, 2] Generated Node #3: [76, 2] from Operation: 40/20=2 Current State: 78:[76, 2], Operations: ['88-48=40', '40/20=2'] Exploring Operation: 76+2=78, Resulting Numbers: [78] 78,78 equal: Goal Reached
4
Current State: 78:[48, 20, 88, 76], Operations: [] Exploring Operation: 48-20=28, Resulting Numbers: [88, 76, 28] Generated Node #0,0: 78:[88, 76, 28] Operation: 48-20=28 Exploring Operation: 88-48=40, Resulting Numbers: [20, 76, 40] Generated Node #0,1: 78:[20, 76, 40] Operation: 88-48=40 Exploring Operation: 76-48=28, Resulting Numbers: [20, 88, 28] Generated Node #0,2: 78:[20, 88, 28] Operation: 76-48=28 Exploring Operation: 88-76=12, Resulting Numbers: [48, 20, 12] Generated Node #0,3: 78:[48, 20, 12] Operation: 88-76=12 Start Sub Search at level 1: Moving to Node #0,1 Current State: 78:[20, 76, 40], Operations: ['88-48=40'] Exploring Operation: 40-20=20, Resulting Numbers: [76, 20] Generated Node #0,1,0: 78:[76, 20] Operation: 40-20=20 Exploring Operation: 40/20=2, Resulting Numbers: [76, 2] Generated Node #0,1,1: 78:[76, 2] Operation: 40/20=2 Exploring Operation: 76-40=36, Resulting Numbers: [20, 36] Generated Node #0,1,2: 78:[20, 36] Operation: 76-40=36 Exploring Operation: 76-20=56, Resulting Numbers: [40, 56] Generated Node #0,1,3: 78:[40, 56] Operation: 76-20=56 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 78:[76, 2], Operations: ['88-48=40', '40/20=2'] Exploring Operation: 76-2=74, Resulting Numbers: [74] 74,78 unequal: No Solution Exploring Operation: 76/2=38, Resulting Numbers: [38] 38,78 unequal: No Solution Exploring Operation: 76+2=78, Resulting Numbers: [78] 78,78 equal: Goal Reached Moving to Node #0 Current State: 78:[48, 20, 88, 76], Operations: [] Exploring Operation: 88-48=40, Resulting Numbers: [20, 76, 40] Generated Node #0,1: 78:[20, 76, 40] Operation: 88-48=40 Moving to Node #0,1 Current State: 78:[20, 76, 40], Operations: ['88-48=40'] Exploring Operation: 40/20=2, Resulting Numbers: [76, 2] Generated Node #0,1,1: 78:[76, 2] Operation: 40/20=2 Moving to Node #0,1,1 Current State: 78:[76, 2], Operations: ['88-48=40', '40/20=2'] Exploring Operation: 76+2=78, Resulting Numbers: [78] 78,78 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986979
hs_4
sum_heuristic
[ 62, 18, 1, 4 ]
49
[ "62-18=44", "1+4=5", "44+5=49" ]
Current State: 49:[62, 18, 1, 4], Operations: [] Exploring Operation: 62-18=44, Resulting Numbers: [1, 4, 44] Generated Node #2: [1, 4, 44] from Operation: 62-18=44 Current State: 49:[1, 4, 44], Operations: ['62-18=44'] Exploring Operation: 1+4=5, Resulting Numbers: [44, 5] Generated Node #3: [44, 5] from Operation: 1+4=5 Current State: 49:[44, 5], Operations: ['62-18=44', '1+4=5'] Exploring Operation: 44+5=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
4
Current State: 49:[62, 18, 1, 4], Operations: [] Exploring Operation: 62-18=44, Resulting Numbers: [1, 4, 44] Generated Node #0,0: 49:[1, 4, 44] Operation: 62-18=44 Moving to Node #0,0 Current State: 49:[1, 4, 44], Operations: ['62-18=44'] Exploring Operation: 1+4=5, Resulting Numbers: [44, 5] Generated Node #0,0,0: 49:[44, 5] Operation: 1+4=5 Moving to Node #0,0,0 Current State: 49:[44, 5], Operations: ['62-18=44', '1+4=5'] Exploring Operation: 44+5=49, Resulting Numbers: [49] 49,49 equal: Goal Reached Moving to Node #0 Current State: 49:[62, 18, 1, 4], Operations: [] Exploring Operation: 62-18=44, Resulting Numbers: [1, 4, 44] Generated Node #0,0: 49:[1, 4, 44] Operation: 62-18=44 Moving to Node #0,0 Current State: 49:[1, 4, 44], Operations: ['62-18=44'] Exploring Operation: 1+4=5, Resulting Numbers: [44, 5] Generated Node #0,0,0: 49:[44, 5] Operation: 1+4=5 Moving to Node #0,0,0 Current State: 49:[44, 5], Operations: ['62-18=44', '1+4=5'] Exploring Operation: 44+5=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
0.993924
hs_1
mult_heuristic
[ 1, 31, 49, 13 ]
93
[ "1*31=31", "49+13=62", "31+62=93" ]
Current State: 93:[1, 31, 49, 13], Operations: [] Exploring Operation: 1*31=31, Resulting Numbers: [49, 13, 31] Generated Node #2: [49, 13, 31] from Operation: 1*31=31 Current State: 93:[49, 13, 31], Operations: ['1*31=31'] Exploring Operation: 49+13=62, Resulting Numbers: [31, 62] Generated Node #3: [31, 62] from Operation: 49+13=62 Current State: 93:[31, 62], Operations: ['1*31=31', '49+13=62'] Exploring Operation: 31+62=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
4
Current State: 93:[1, 31, 49, 13], Operations: [] Exploring Operation: 49-13=36, Resulting Numbers: [1, 31, 36] Generated Node #0,0: 93:[1, 31, 36] Operation: 49-13=36 Moving to Node #0,0 Current State: 93:[1, 31, 36], Operations: ['49-13=36'] Exploring Operation: 36-1=35, Resulting Numbers: [31, 35] Generated Node #0,0,0: 93:[31, 35] Operation: 36-1=35 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 93:[31, 35], Operations: ['49-13=36', '36-1=35'] Exploring Operation: 35-31=4, Resulting Numbers: [4] 4,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 26, 46, 23, 34 ]
83
[ "26+46=72", "34-23=11", "72+11=83" ]
Current State: 83:[26, 46, 23, 34], Operations: [] Exploring Operation: 26+46=72, Resulting Numbers: [23, 34, 72] Generated Node #2: [23, 34, 72] from Operation: 26+46=72 Current State: 83:[23, 34, 72], Operations: ['26+46=72'] Exploring Operation: 34-23=11, Resulting Numbers: [72, 11] Generated Node #3: [72, 11] from Operation: 34-23=11 Current State: 83:[72, 11], Operations: ['26+46=72', '34-23=11'] Exploring Operation: 72+11=83, Resulting Numbers: [83] 83,83 equal: Goal Reached
4
Current State: 83:[26, 46, 23, 34], Operations: [] Exploring Operation: 46+34=80, Resulting Numbers: [26, 23, 80] Generated Node #0,0: 83:[26, 23, 80] Operation: 46+34=80 Exploring Operation: 46+23=69, Resulting Numbers: [26, 34, 69] Generated Node #0,1: 83:[26, 34, 69] Operation: 46+23=69 Exploring Operation: 26+34=60, Resulting Numbers: [46, 23, 60] Generated Node #0,2: 83:[46, 23, 60] Operation: 26+34=60 Exploring Operation: 26+46=72, Resulting Numbers: [23, 34, 72] Generated Node #0,3: 83:[23, 34, 72] Operation: 26+46=72 Exploring Operation: 26+23=49, Resulting Numbers: [46, 34, 49] Generated Node #0,4: 83:[46, 34, 49] Operation: 26+23=49 Moving to Node #0,0 Current State: 83:[26, 23, 80], Operations: ['46+34=80'] Exploring Operation: 23+80=103, Resulting Numbers: [26, 103] Generated Node #0,0,0: 83:[26, 103] Operation: 23+80=103 Exploring Operation: 80-23=57, Resulting Numbers: [26, 57] Generated Node #0,0,1: 83:[26, 57] Operation: 80-23=57 Exploring Operation: 26+23=49, Resulting Numbers: [80, 49] Generated Node #0,0,2: 83:[80, 49] Operation: 26+23=49 Exploring Operation: 26+80=106, Resulting Numbers: [23, 106] Generated Node #0,0,3: 83:[23, 106] Operation: 26+80=106 Exploring Operation: 26-23=3, Resulting Numbers: [80, 3] Generated Node #0,0,4: 83:[80, 3] Operation: 26-23=3 Moving to Node #0,2 Current State: 83:[46, 23, 60], Operations: ['26+34=60'] Exploring Operation: 60-23=37, Resulting Numbers: [46, 37] Generated Node #0,2,0: 83:[46, 37] Operation: 60-23=37 Exploring Operation: 46+23=69, Resulting Numbers: [60, 69] Generated Node #0,2,1: 83:[60, 69] Operation: 46+23=69 Exploring Operation: 46-23=23, Resulting Numbers: [60, 23] Generated Node #0,2,2: 83:[60, 23] Operation: 46-23=23 Exploring Operation: 46+60=106, Resulting Numbers: [23, 106] Generated Node #0,2,3: 83:[23, 106] Operation: 46+60=106 Exploring Operation: 23+60=83, Resulting Numbers: [46, 83] Generated Node #0,2,4: 83:[46, 83] Operation: 23+60=83 Moving to Node #0,4 Current State: 83:[46, 34, 49], Operations: ['26+23=49'] Exploring Operation: 46+34=80, Resulting Numbers: [49, 80] Generated Node #0,4,0: 83:[49, 80] Operation: 46+34=80 Exploring Operation: 34+49=83, Resulting Numbers: [46, 83] Generated Node #0,4,1: 83:[46, 83] Operation: 34+49=83 Exploring Operation: 46-34=12, Resulting Numbers: [49, 12] Generated Node #0,4,2: 83:[49, 12] Operation: 46-34=12 Exploring Operation: 49-34=15, Resulting Numbers: [46, 15] Generated Node #0,4,3: 83:[46, 15] Operation: 49-34=15 Exploring Operation: 46+49=95, Resulting Numbers: [34, 95] Generated Node #0,4,4: 83:[34, 95] Operation: 46+49=95 Moving to Node #0,1 Current State: 83:[26, 34, 69], Operations: ['46+23=69'] Exploring Operation: 26+34=60, Resulting Numbers: [69, 60] Generated Node #0,1,0: 83:[69, 60] Operation: 26+34=60 Exploring Operation: 26+69=95, Resulting Numbers: [34, 95] Generated Node #0,1,1: 83:[34, 95] Operation: 26+69=95 Exploring Operation: 34-26=8, Resulting Numbers: [69, 8] Generated Node #0,1,2: 83:[69, 8] Operation: 34-26=8 Exploring Operation: 69-26=43, Resulting Numbers: [34, 43] Generated Node #0,1,3: 83:[34, 43] Operation: 69-26=43 Exploring Operation: 34+69=103, Resulting Numbers: [26, 103] Generated Node #0,1,4: 83:[26, 103] Operation: 34+69=103 Moving to Node #0,3 Current State: 83:[23, 34, 72], Operations: ['26+46=72'] Exploring Operation: 23+72=95, Resulting Numbers: [34, 95] Generated Node #0,3,0: 83:[34, 95] Operation: 23+72=95 Exploring Operation: 72-23=49, Resulting Numbers: [34, 49] Generated Node #0,3,1: 83:[34, 49] Operation: 72-23=49 Exploring Operation: 23+34=57, Resulting Numbers: [72, 57] Generated Node #0,3,2: 83:[72, 57] Operation: 23+34=57 Exploring Operation: 34+72=106, Resulting Numbers: [23, 106] Generated Node #0,3,3: 83:[23, 106] Operation: 34+72=106 Exploring Operation: 34-23=11, Resulting Numbers: [72, 11] Generated Node #0,3,4: 83:[72, 11] Operation: 34-23=11 Moving to Node #0,0,2 Current State: 83:[80, 49], Operations: ['46+34=80', '26+23=49'] Exploring Operation: 80*49=3920, Resulting Numbers: [3920] 3920,83 unequal: No Solution Exploring Operation: 80+49=129, Resulting Numbers: [129] 129,83 unequal: No Solution Exploring Operation: 80-49=31, Resulting Numbers: [31] 31,83 unequal: No Solution Moving to Node #0,2,1 Current State: 83:[60, 69], Operations: ['26+34=60', '46+23=69'] Exploring Operation: 69-60=9, Resulting Numbers: [9] 9,83 unequal: No Solution Exploring Operation: 60+69=129, Resulting Numbers: [129] 129,83 unequal: No Solution Exploring Operation: 60*69=4140, Resulting Numbers: [4140] 4140,83 unequal: No Solution Moving to Node #0,2,4 Current State: 83:[46, 83], Operations: ['26+34=60', '23+60=83'] Exploring Operation: 46*83=3818, Resulting Numbers: [3818] 3818,83 unequal: No Solution Exploring Operation: 83-46=37, Resulting Numbers: [37] 37,83 unequal: No Solution Exploring Operation: 46+83=129, Resulting Numbers: [129] 129,83 unequal: No Solution Moving to Node #0,4,1 Current State: 83:[46, 83], Operations: ['26+23=49', '34+49=83'] Exploring Operation: 46*83=3818, Resulting Numbers: [3818] 3818,83 unequal: No Solution Exploring Operation: 83-46=37, Resulting Numbers: [37] 37,83 unequal: No Solution Exploring Operation: 46+83=129, Resulting Numbers: [129] 129,83 unequal: No Solution Moving to Node #0,4,0 Current State: 83:[49, 80], Operations: ['26+23=49', '46+34=80'] Exploring Operation: 49*80=3920, Resulting Numbers: [3920] 3920,83 unequal: No Solution Exploring Operation: 80-49=31, Resulting Numbers: [31] 31,83 unequal: No Solution Exploring Operation: 49+80=129, Resulting Numbers: [129] 129,83 unequal: No Solution Moving to Node #0,3,2 Current State: 83:[72, 57], Operations: ['26+46=72', '23+34=57'] Exploring Operation: 72*57=4104, Resulting Numbers: [4104] 4104,83 unequal: No Solution Exploring Operation: 72+57=129, Resulting Numbers: [129] 129,83 unequal: No Solution Exploring Operation: 72-57=15, Resulting Numbers: [15] 15,83 unequal: No Solution Moving to Node #0,1,0 Current State: 83:[69, 60], Operations: ['46+23=69', '26+34=60'] Exploring Operation: 69-60=9, Resulting Numbers: [9] 9,83 unequal: No Solution Exploring Operation: 69*60=4140, Resulting Numbers: [4140] 4140,83 unequal: No Solution Exploring Operation: 69+60=129, Resulting Numbers: [129] 129,83 unequal: No Solution Moving to Node #0,4,4 Current State: 83:[34, 95], Operations: ['26+23=49', '46+49=95'] Exploring Operation: 34+95=129, Resulting Numbers: [129] 129,83 unequal: No Solution Exploring Operation: 95-34=61, Resulting Numbers: [61] 61,83 unequal: No Solution Exploring Operation: 34*95=3230, Resulting Numbers: [3230] 3230,83 unequal: No Solution Moving to Node #0,3,0 Current State: 83:[34, 95], Operations: ['26+46=72', '23+72=95'] Exploring Operation: 95-34=61, Resulting Numbers: [61] 61,83 unequal: No Solution Exploring Operation: 34+95=129, Resulting Numbers: [129] 129,83 unequal: No Solution Exploring Operation: 34*95=3230, Resulting Numbers: [3230] 3230,83 unequal: No Solution Moving to Node #0,1,1 Current State: 83:[34, 95], Operations: ['46+23=69', '26+69=95'] Exploring Operation: 95-34=61, Resulting Numbers: [61] 61,83 unequal: No Solution Exploring Operation: 34*95=3230, Resulting Numbers: [3230] 3230,83 unequal: No Solution Exploring Operation: 34+95=129, Resulting Numbers: [129] 129,83 unequal: No Solution Moving to Node #0,0,0 Current State: 83:[26, 103], Operations: ['46+34=80', '23+80=103'] Exploring Operation: 26*103=2678, Resulting Numbers: [2678] 2678,83 unequal: No Solution Exploring Operation: 26+103=129, Resulting Numbers: [129] 129,83 unequal: No Solution Exploring Operation: 103-26=77, Resulting Numbers: [77] 77,83 unequal: No Solution Moving to Node #0,1,4 Current State: 83:[26, 103], Operations: ['46+23=69', '34+69=103'] Exploring Operation: 103-26=77, Resulting Numbers: [77] 77,83 unequal: No Solution Exploring Operation: 26+103=129, Resulting Numbers: [129] 129,83 unequal: No Solution Exploring Operation: 26*103=2678, Resulting Numbers: [2678] 2678,83 unequal: No Solution Moving to Node #0,3,4 Current State: 83:[72, 11], Operations: ['26+46=72', '34-23=11'] Exploring Operation: 72-11=61, Resulting Numbers: [61] 61,83 unequal: No Solution Exploring Operation: 72*11=792, Resulting Numbers: [792] 792,83 unequal: No Solution Exploring Operation: 72+11=83, Resulting Numbers: [83] 83,83 equal: Goal Reached Moving to Node #0 Current State: 83:[26, 46, 23, 34], Operations: [] Exploring Operation: 26+46=72, Resulting Numbers: [23, 34, 72] Generated Node #0,3: 83:[23, 34, 72] Operation: 26+46=72 Moving to Node #0,3 Current State: 83:[23, 34, 72], Operations: ['26+46=72'] Exploring Operation: 34-23=11, Resulting Numbers: [72, 11] Generated Node #0,3,4: 83:[72, 11] Operation: 34-23=11 Moving to Node #0,3,4 Current State: 83:[72, 11], Operations: ['26+46=72', '34-23=11'] Exploring Operation: 72+11=83, Resulting Numbers: [83] 83,83 equal: Goal Reached
0.936632
hs_5
mult_heuristic