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
[ 83, 84, 62, 71 ]
75
[ "83-62=21", "84/21=4", "71+4=75" ]
Current State: 75:[83, 84, 62, 71], Operations: [] Exploring Operation: 83-62=21, Resulting Numbers: [84, 71, 21] Generated Node #2: [84, 71, 21] from Operation: 83-62=21 Current State: 75:[84, 71, 21], Operations: ['83-62=21'] Exploring Operation: 84/21=4, Resulting Numbers: [71, 4] Generated Node #3: [71, 4] from Operation: 84/21=4 Current State: 75:[71, 4], Operations: ['83-62=21', '84/21=4'] Exploring Operation: 71+4=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
4
Current State: 75:[83, 84, 62, 71], Operations: [] Exploring Operation: 71-62=9, Resulting Numbers: [83, 84, 9] Generated Node #0,0: 75:[83, 84, 9] Operation: 71-62=9 Exploring Operation: 84-83=1, Resulting Numbers: [62, 71, 1] Generated Node #0,1: 75:[62, 71, 1] Operation: 84-83=1 Exploring Operation: 83-62=21, Resulting Numbers: [84, 71, 21] Generated Node #0,2: 75:[84, 71, 21] Operation: 83-62=21 Exploring Operation: 84-71=13, Resulting Numbers: [83, 62, 13] Generated Node #0,3: 75:[83, 62, 13] Operation: 84-71=13 Exploring Operation: 84-62=22, Resulting Numbers: [83, 71, 22] Generated Node #0,4: 75:[83, 71, 22] Operation: 84-62=22 Start Sub Search at level 1: Moving to Node #0,4 Current State: 75:[83, 71, 22], Operations: ['84-62=22'] Exploring Operation: 83+22=105, Resulting Numbers: [71, 105] Generated Node #0,4,0: 75:[71, 105] Operation: 83+22=105 Exploring Operation: 71-22=49, Resulting Numbers: [83, 49] Generated Node #0,4,1: 75:[83, 49] Operation: 71-22=49 Exploring Operation: 71+22=93, Resulting Numbers: [83, 93] Generated Node #0,4,2: 75:[83, 93] Operation: 71+22=93 Exploring Operation: 83-22=61, Resulting Numbers: [71, 61] Generated Node #0,4,3: 75:[71, 61] Operation: 83-22=61 Exploring Operation: 83-71=12, Resulting Numbers: [22, 12] Generated Node #0,4,4: 75:[22, 12] Operation: 83-71=12 Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 75:[22, 12], Operations: ['84-62=22', '83-71=12'] Exploring Operation: 22+12=34, Resulting Numbers: [34] 34,75 unequal: No Solution Exploring Operation: 22*12=264, Resulting Numbers: [264] 264,75 unequal: No Solution Exploring Operation: 22-12=10, Resulting Numbers: [10] 10,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 75:[71, 61], Operations: ['84-62=22', '83-22=61'] Exploring Operation: 71-61=10, Resulting Numbers: [10] 10,75 unequal: No Solution Exploring Operation: 71*61=4331, Resulting Numbers: [4331] 4331,75 unequal: No Solution Exploring Operation: 71+61=132, Resulting Numbers: [132] 132,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 75:[83, 93], Operations: ['84-62=22', '71+22=93'] Exploring Operation: 83+93=176, Resulting Numbers: [176] 176,75 unequal: No Solution Exploring Operation: 83*93=7719, Resulting Numbers: [7719] 7719,75 unequal: No Solution Exploring Operation: 93-83=10, Resulting Numbers: [10] 10,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 75:[83, 49], Operations: ['84-62=22', '71-22=49'] Exploring Operation: 83*49=4067, Resulting Numbers: [4067] 4067,75 unequal: No Solution Exploring Operation: 83+49=132, Resulting Numbers: [132] 132,75 unequal: No Solution Exploring Operation: 83-49=34, Resulting Numbers: [34] 34,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 75:[71, 105], Operations: ['84-62=22', '83+22=105'] Exploring Operation: 71+105=176, Resulting Numbers: [176] 176,75 unequal: No Solution Exploring Operation: 71*105=7455, Resulting Numbers: [7455] 7455,75 unequal: No Solution Exploring Operation: 105-71=34, Resulting Numbers: [34] 34,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 75:[84, 71, 21], Operations: ['83-62=21'] Exploring Operation: 84-21=63, Resulting Numbers: [71, 63] Generated Node #0,2,0: 75:[71, 63] Operation: 84-21=63 Exploring Operation: 71+21=92, Resulting Numbers: [84, 92] Generated Node #0,2,1: 75:[84, 92] Operation: 71+21=92 Exploring Operation: 84/21=4, Resulting Numbers: [71, 4] Generated Node #0,2,2: 75:[71, 4] Operation: 84/21=4 Exploring Operation: 84+21=105, Resulting Numbers: [71, 105] Generated Node #0,2,3: 75:[71, 105] Operation: 84+21=105 Exploring Operation: 84-71=13, Resulting Numbers: [21, 13] Generated Node #0,2,4: 75:[21, 13] Operation: 84-71=13 Moving to Node #0,2,2 Current State: 75:[71, 4], Operations: ['83-62=21', '84/21=4'] Exploring Operation: 71*4=284, Resulting Numbers: [284] 284,75 unequal: No Solution Exploring Operation: 71+4=75, Resulting Numbers: [75] 75,75 equal: Goal Reached Moving to Node #0 Current State: 75:[83, 84, 62, 71], Operations: [] Exploring Operation: 83-62=21, Resulting Numbers: [84, 71, 21] Generated Node #0,2: 75:[84, 71, 21] Operation: 83-62=21 Moving to Node #0,2 Current State: 75:[84, 71, 21], Operations: ['83-62=21'] Exploring Operation: 84/21=4, Resulting Numbers: [71, 4] Generated Node #0,2,2: 75:[71, 4] Operation: 84/21=4 Moving to Node #0,2,2 Current State: 75:[71, 4], Operations: ['83-62=21', '84/21=4'] Exploring Operation: 71+4=75, Resulting Numbers: [75] 75,75 equal: Goal Reached Exit Sub Search at level 1
0.96875
hs_5
mult_heuristic
[ 87, 7, 91, 81 ]
53
[ "91-87=4", "7*4=28", "81-28=53" ]
Current State: 53:[87, 7, 91, 81], Operations: [] Exploring Operation: 91-87=4, Resulting Numbers: [7, 81, 4] Generated Node #2: [7, 81, 4] from Operation: 91-87=4 Current State: 53:[7, 81, 4], Operations: ['91-87=4'] Exploring Operation: 7*4=28, Resulting Numbers: [81, 28] Generated Node #3: [81, 28] from Operation: 7*4=28 Current State: 53:[81, 28], Operations: ['91-87=4', '7*4=28'] Exploring Operation: 81-28=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[87, 7, 91, 81], Operations: [] Exploring Operation: 87-7=80, Resulting Numbers: [91, 81, 80] Generated Node #0,0: 53:[91, 81, 80] Operation: 87-7=80 Exploring Operation: 91-7=84, Resulting Numbers: [87, 81, 84] Generated Node #0,1: 53:[87, 81, 84] Operation: 91-7=84 Exploring Operation: 81-7=74, Resulting Numbers: [87, 91, 74] Generated Node #0,2: 53:[87, 91, 74] Operation: 81-7=74 Moving to Node #0,0 Current State: 53:[91, 81, 80], Operations: ['87-7=80'] Exploring Operation: 91-81=10, Resulting Numbers: [80, 10] Generated Node #0,0,0: 53:[80, 10] Operation: 91-81=10 Exploring Operation: 81-80=1, Resulting Numbers: [91, 1] Generated Node #0,0,1: 53:[91, 1] Operation: 81-80=1 Exploring Operation: 91-80=11, Resulting Numbers: [81, 11] Generated Node #0,0,2: 53:[81, 11] Operation: 91-80=11 Moving to Node #0,1 Current State: 53:[87, 81, 84], Operations: ['91-7=84'] Exploring Operation: 87-81=6, Resulting Numbers: [84, 6] Generated Node #0,1,0: 53:[84, 6] Operation: 87-81=6 Exploring Operation: 87-84=3, Resulting Numbers: [81, 3] Generated Node #0,1,1: 53:[81, 3] Operation: 87-84=3 Exploring Operation: 84-81=3, Resulting Numbers: [87, 3] Generated Node #0,1,2: 53:[87, 3] Operation: 84-81=3 Moving to Node #0,2 Current State: 53:[87, 91, 74], Operations: ['81-7=74'] Exploring Operation: 87-74=13, Resulting Numbers: [91, 13] Generated Node #0,2,0: 53:[91, 13] Operation: 87-74=13 Exploring Operation: 91-74=17, Resulting Numbers: [87, 17] Generated Node #0,2,1: 53:[87, 17] Operation: 91-74=17 Exploring Operation: 91-87=4, Resulting Numbers: [74, 4] Generated Node #0,2,2: 53:[74, 4] Operation: 91-87=4 Moving to Node #0,0,0 Current State: 53:[80, 10], Operations: ['87-7=80', '91-81=10'] Exploring Operation: 80+10=90, Resulting Numbers: [90] 90,53 unequal: No Solution Exploring Operation: 80/10=8, Resulting Numbers: [8] 8,53 unequal: No Solution Exploring Operation: 80-10=70, Resulting Numbers: [70] 70,53 unequal: No Solution Moving to Node #0,2,1 Current State: 53:[87, 17], Operations: ['81-7=74', '91-74=17'] Exploring Operation: 87+17=104, Resulting Numbers: [104] 104,53 unequal: No Solution Exploring Operation: 87*17=1479, Resulting Numbers: [1479] 1479,53 unequal: No Solution Exploring Operation: 87-17=70, Resulting Numbers: [70] 70,53 unequal: No Solution Moving to Node #0,0,2 Current State: 53:[81, 11], Operations: ['87-7=80', '91-80=11'] Exploring Operation: 81-11=70, Resulting Numbers: [70] 70,53 unequal: No Solution Exploring Operation: 81*11=891, Resulting Numbers: [891] 891,53 unequal: No Solution Exploring Operation: 81+11=92, Resulting Numbers: [92] 92,53 unequal: No Solution Moving to Node #0,2,2 Current State: 53:[74, 4], Operations: ['81-7=74', '91-87=4'] Exploring Operation: 74+4=78, Resulting Numbers: [78] 78,53 unequal: No Solution Exploring Operation: 74-4=70, Resulting Numbers: [70] 70,53 unequal: No Solution Exploring Operation: 74*4=296, Resulting Numbers: [296] 296,53 unequal: No Solution Moving to Node #0,2,0 Current State: 53:[91, 13], Operations: ['81-7=74', '87-74=13'] Exploring Operation: 91+13=104, Resulting Numbers: [104] 104,53 unequal: No Solution Exploring Operation: 91/13=7, Resulting Numbers: [7] 7,53 unequal: No Solution Exploring Operation: 91-13=78, Resulting Numbers: [78] 78,53 unequal: No Solution Moving to Node #0,1,1 Current State: 53:[81, 3], Operations: ['91-7=84', '87-84=3'] Exploring Operation: 81+3=84, Resulting Numbers: [84] 84,53 unequal: No Solution Exploring Operation: 81/3=27, Resulting Numbers: [27] 27,53 unequal: No Solution Exploring Operation: 81-3=78, Resulting Numbers: [78] 78,53 unequal: No Solution Moving to Node #0,1,0 Current State: 53:[84, 6], Operations: ['91-7=84', '87-81=6'] Exploring Operation: 84/6=14, Resulting Numbers: [14] 14,53 unequal: No Solution Exploring Operation: 84+6=90, Resulting Numbers: [90] 90,53 unequal: No Solution Exploring Operation: 84-6=78, Resulting Numbers: [78] 78,53 unequal: No Solution Moving to Node #0,1,2 Current State: 53:[87, 3], Operations: ['91-7=84', '84-81=3'] Exploring Operation: 87-3=84, Resulting Numbers: [84] 84,53 unequal: No Solution Exploring Operation: 87/3=29, Resulting Numbers: [29] 29,53 unequal: No Solution Exploring Operation: 87+3=90, Resulting Numbers: [90] 90,53 unequal: No Solution Moving to Node #0,0,1 Current State: 53:[91, 1], Operations: ['87-7=80', '81-80=1'] Exploring Operation: 91-1=90, Resulting Numbers: [90] 90,53 unequal: No Solution Exploring Operation: 91*1=91, Resulting Numbers: [91] 91,53 unequal: No Solution Exploring Operation: 91/1=91, Resulting Numbers: [91] 91,53 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 54, 32, 16, 86 ]
22
[ "54*32=1728", "1728/16=108", "108-86=22" ]
Current State: 22:[54, 32, 16, 86], Operations: [] Exploring Operation: 54*32=1728, Resulting Numbers: [16, 86, 1728] Generated Node #2: [16, 86, 1728] from Operation: 54*32=1728 Current State: 22:[16, 86, 1728], Operations: ['54*32=1728'] Exploring Operation: 1728/16=108, Resulting Numbers: [86, 108] Generated Node #3: [86, 108] from Operation: 1728/16=108 Current State: 22:[86, 108], Operations: ['54*32=1728', '1728/16=108'] Exploring Operation: 108-86=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
4
Current State: 22:[54, 32, 16, 86], Operations: [] Exploring Operation: 54-32=22, Resulting Numbers: [16, 86, 22] Generated Node #0,0: 22:[16, 86, 22] Operation: 54-32=22 Exploring Operation: 86-54=32, Resulting Numbers: [32, 16, 32] Generated Node #0,1: 22:[32, 16, 32] Operation: 86-54=32 Exploring Operation: 86-32=54, Resulting Numbers: [54, 16, 54] Generated Node #0,2: 22:[54, 16, 54] Operation: 86-32=54 Moving to Node #0,1 Current State: 22:[32, 16, 32], Operations: ['86-54=32'] Exploring Operation: 32/32=1, Resulting Numbers: [16, 1] Generated Node #0,1,0: 22:[16, 1] Operation: 32/32=1 Exploring Operation: 32-32=0, Resulting Numbers: [16, 0] Generated Node #0,1,1: 22:[16, 0] Operation: 32-32=0 Exploring Operation: 32/16=2, Resulting Numbers: [32, 2] Generated Node #0,1,2: 22:[32, 2] Operation: 32/16=2 Moving to Node #0,0 Current State: 22:[16, 86, 22], Operations: ['54-32=22'] Exploring Operation: 86-22=64, Resulting Numbers: [16, 64] Generated Node #0,0,0: 22:[16, 64] Operation: 86-22=64 Exploring Operation: 86-16=70, Resulting Numbers: [22, 70] Generated Node #0,0,1: 22:[22, 70] Operation: 86-16=70 Exploring Operation: 22-16=6, Resulting Numbers: [86, 6] Generated Node #0,0,2: 22:[86, 6] Operation: 22-16=6 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 22:[16, 64], Operations: ['54-32=22', '86-22=64'] Exploring Operation: 16+64=80, Resulting Numbers: [80] 80,22 unequal: No Solution Exploring Operation: 64-16=48, Resulting Numbers: [48] 48,22 unequal: No Solution Exploring Operation: 64/16=4, Resulting Numbers: [4] 4,22 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 #0,0,1 Current State: 22:[22, 70], Operations: ['54-32=22', '86-16=70'] Exploring Operation: 22+70=92, Resulting Numbers: [92] 92,22 unequal: No Solution Exploring Operation: 70-22=48, Resulting Numbers: [48] 48,22 unequal: No Solution Exploring Operation: 22*70=1540, Resulting Numbers: [1540] 1540,22 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 #0,0,2 Current State: 22:[86, 6], Operations: ['54-32=22', '22-16=6'] Exploring Operation: 86*6=516, Resulting Numbers: [516] 516,22 unequal: No Solution Exploring Operation: 86-6=80, Resulting Numbers: [80] 80,22 unequal: No Solution Exploring Operation: 86+6=92, Resulting Numbers: [92] 92,22 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: 22:[54, 16, 54], Operations: ['86-32=54'] Exploring Operation: 54-54=0, Resulting Numbers: [16, 0] Generated Node #0,2,0: 22:[16, 0] Operation: 54-54=0 Exploring Operation: 54-16=38, Resulting Numbers: [54, 38] Generated Node #0,2,1: 22:[54, 38] Operation: 54-16=38 Exploring Operation: 54/54=1, Resulting Numbers: [16, 1] Generated Node #0,2,2: 22:[16, 1] Operation: 54/54=1 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 22:[16, 1], Operations: ['86-32=54', '54/54=1'] Exploring Operation: 16+1=17, Resulting Numbers: [17] 17,22 unequal: No Solution Exploring Operation: 16-1=15, Resulting Numbers: [15] 15,22 unequal: No Solution Exploring Operation: 16*1=16, Resulting Numbers: [16] 16,22 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:[16, 0], Operations: ['86-32=54', '54-54=0'] Exploring Operation: 16*0=0, Resulting Numbers: [0] 0,22 unequal: No Solution Exploring Operation: 16+0=16, Resulting Numbers: [16] 16,22 unequal: No Solution Exploring Operation: 16-0=16, Resulting Numbers: [16] 16,22 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 #0,2,1 Current State: 22:[54, 38], Operations: ['86-32=54', '54-16=38'] Exploring Operation: 54-38=16, Resulting Numbers: [16] 16,22 unequal: No Solution Exploring Operation: 54+38=92, Resulting Numbers: [92] 92,22 unequal: No Solution Exploring Operation: 54*38=2052, Resulting Numbers: [2052] 2052,22 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: 22:[16, 1], Operations: ['86-54=32', '32/32=1'] Exploring Operation: 16*1=16, Resulting Numbers: [16] 16,22 unequal: No Solution Exploring Operation: 16-1=15, Resulting Numbers: [15] 15,22 unequal: No Solution Exploring Operation: 16+1=17, Resulting Numbers: [17] 17,22 unequal: No Solution Moving to Node #0,1,1 Current State: 22:[16, 0], Operations: ['86-54=32', '32-32=0'] Exploring Operation: 16+0=16, Resulting Numbers: [16] 16,22 unequal: No Solution Exploring Operation: 16-0=16, Resulting Numbers: [16] 16,22 unequal: No Solution Exploring Operation: 16*0=0, Resulting Numbers: [0] 0,22 unequal: No Solution Moving to Node #0,1,2 Current State: 22:[32, 2], Operations: ['86-54=32', '32/16=2'] Exploring Operation: 32/2=16, Resulting Numbers: [16] 16,22 unequal: No Solution Exploring Operation: 32-2=30, Resulting Numbers: [30] 30,22 unequal: No Solution Exploring Operation: 32+2=34, Resulting Numbers: [34] 34,22 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 13, 2, 50, 47 ]
71
[ "13*2=26", "50+47=97", "97-26=71" ]
Current State: 71:[13, 2, 50, 47], Operations: [] Exploring Operation: 13*2=26, Resulting Numbers: [50, 47, 26] Generated Node #2: [50, 47, 26] from Operation: 13*2=26 Current State: 71:[50, 47, 26], Operations: ['13*2=26'] Exploring Operation: 50+47=97, Resulting Numbers: [26, 97] Generated Node #3: [26, 97] from Operation: 50+47=97 Current State: 71:[26, 97], Operations: ['13*2=26', '50+47=97'] Exploring Operation: 97-26=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
4
Current State: 71:[13, 2, 50, 47], Operations: [] Exploring Operation: 13+50=63, Resulting Numbers: [2, 47, 63] Generated Node #0,0: 71:[2, 47, 63] Operation: 13+50=63 Exploring Operation: 13+2=15, Resulting Numbers: [50, 47, 15] Generated Node #0,1: 71:[50, 47, 15] Operation: 13+2=15 Exploring Operation: 13*2=26, Resulting Numbers: [50, 47, 26] Generated Node #0,2: 71:[50, 47, 26] Operation: 13*2=26 Moving to Node #0,2 Current State: 71:[50, 47, 26], Operations: ['13*2=26'] Exploring Operation: 50+26=76, Resulting Numbers: [47, 76] Generated Node #0,2,0: 71:[47, 76] Operation: 50+26=76 Exploring Operation: 47+26=73, Resulting Numbers: [50, 73] Generated Node #0,2,1: 71:[50, 73] Operation: 47+26=73 Exploring Operation: 50+47=97, Resulting Numbers: [26, 97] Generated Node #0,2,2: 71:[26, 97] Operation: 50+47=97 Moving to Node #0,0 Current State: 71:[2, 47, 63], Operations: ['13+50=63'] Exploring Operation: 2+47=49, Resulting Numbers: [63, 49] Generated Node #0,0,0: 71:[63, 49] Operation: 2+47=49 Exploring Operation: 2*47=94, Resulting Numbers: [63, 94] Generated Node #0,0,1: 71:[63, 94] Operation: 2*47=94 Exploring Operation: 2+63=65, Resulting Numbers: [47, 65] Generated Node #0,0,2: 71:[47, 65] Operation: 2+63=65 Moving to Node #0,1 Current State: 71:[50, 47, 15], Operations: ['13+2=15'] Exploring Operation: 50+15=65, Resulting Numbers: [47, 65] Generated Node #0,1,0: 71:[47, 65] Operation: 50+15=65 Exploring Operation: 50-15=35, Resulting Numbers: [47, 35] Generated Node #0,1,1: 71:[47, 35] Operation: 50-15=35 Exploring Operation: 47+15=62, Resulting Numbers: [50, 62] Generated Node #0,1,2: 71:[50, 62] Operation: 47+15=62 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 71:[47, 65], Operations: ['13+2=15', '50+15=65'] Exploring Operation: 47*65=3055, Resulting Numbers: [3055] 3055,71 unequal: No Solution Exploring Operation: 65-47=18, Resulting Numbers: [18] 18,71 unequal: No Solution Exploring Operation: 47+65=112, Resulting Numbers: [112] 112,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 71:[50, 62], Operations: ['13+2=15', '47+15=62'] Exploring Operation: 50*62=3100, Resulting Numbers: [3100] 3100,71 unequal: No Solution Exploring Operation: 50+62=112, Resulting Numbers: [112] 112,71 unequal: No Solution Exploring Operation: 62-50=12, Resulting Numbers: [12] 12,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 71:[47, 35], Operations: ['13+2=15', '50-15=35'] Exploring Operation: 47*35=1645, Resulting Numbers: [1645] 1645,71 unequal: No Solution Exploring Operation: 47-35=12, Resulting Numbers: [12] 12,71 unequal: No Solution Exploring Operation: 47+35=82, Resulting Numbers: [82] 82,71 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: 71:[50, 73], Operations: ['13*2=26', '47+26=73'] Exploring Operation: 73-50=23, Resulting Numbers: [23] 23,71 unequal: No Solution Exploring Operation: 50+73=123, Resulting Numbers: [123] 123,71 unequal: No Solution Exploring Operation: 50*73=3650, Resulting Numbers: [3650] 3650,71 unequal: No Solution Moving to Node #0,2,0 Current State: 71:[47, 76], Operations: ['13*2=26', '50+26=76'] Exploring Operation: 47*76=3572, Resulting Numbers: [3572] 3572,71 unequal: No Solution Exploring Operation: 76-47=29, Resulting Numbers: [29] 29,71 unequal: No Solution Exploring Operation: 47+76=123, Resulting Numbers: [123] 123,71 unequal: No Solution Moving to Node #0,0,2 Current State: 71:[47, 65], Operations: ['13+50=63', '2+63=65'] Exploring Operation: 47*65=3055, Resulting Numbers: [3055] 3055,71 unequal: No Solution Exploring Operation: 47+65=112, Resulting Numbers: [112] 112,71 unequal: No Solution Exploring Operation: 65-47=18, Resulting Numbers: [18] 18,71 unequal: No Solution Moving to Node #0,0,0 Current State: 71:[63, 49], Operations: ['13+50=63', '2+47=49'] Exploring Operation: 63-49=14, Resulting Numbers: [14] 14,71 unequal: No Solution Exploring Operation: 63*49=3087, Resulting Numbers: [3087] 3087,71 unequal: No Solution Exploring Operation: 63+49=112, Resulting Numbers: [112] 112,71 unequal: No Solution Moving to Node #0,0,1 Current State: 71:[63, 94], Operations: ['13+50=63', '2*47=94'] Exploring Operation: 94-63=31, Resulting Numbers: [31] 31,71 unequal: No Solution Exploring Operation: 63+94=157, Resulting Numbers: [157] 157,71 unequal: No Solution Exploring Operation: 63*94=5922, Resulting Numbers: [5922] 5922,71 unequal: No Solution Moving to Node #0,2,2 Current State: 71:[26, 97], Operations: ['13*2=26', '50+47=97'] Exploring Operation: 26*97=2522, Resulting Numbers: [2522] 2522,71 unequal: No Solution Exploring Operation: 97-26=71, Resulting Numbers: [71] 71,71 equal: Goal Reached Moving to Node #0 Current State: 71:[13, 2, 50, 47], Operations: [] Exploring Operation: 13*2=26, Resulting Numbers: [50, 47, 26] Generated Node #0,2: 71:[50, 47, 26] Operation: 13*2=26 Moving to Node #0,2 Current State: 71:[50, 47, 26], Operations: ['13*2=26'] Exploring Operation: 50+47=97, Resulting Numbers: [26, 97] Generated Node #0,2,2: 71:[26, 97] Operation: 50+47=97 Moving to Node #0,2,2 Current State: 71:[26, 97], Operations: ['13*2=26', '50+47=97'] Exploring Operation: 97-26=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
0.963542
hs_3
mult_heuristic
[ 3, 21, 85, 50 ]
72
[ "3*21=63", "85+50=135", "135-63=72" ]
Current State: 72:[3, 21, 85, 50], Operations: [] Exploring Operation: 3*21=63, Resulting Numbers: [85, 50, 63] Generated Node #2: [85, 50, 63] from Operation: 3*21=63 Current State: 72:[85, 50, 63], Operations: ['3*21=63'] Exploring Operation: 85+50=135, Resulting Numbers: [63, 135] Generated Node #3: [63, 135] from Operation: 85+50=135 Current State: 72:[63, 135], Operations: ['3*21=63', '85+50=135'] Exploring Operation: 135-63=72, Resulting Numbers: [72] 72,72 equal: Goal Reached
4
Current State: 72:[3, 21, 85, 50], Operations: [] Exploring Operation: 21+50=71, Resulting Numbers: [3, 85, 71] Generated Node #0,0: 72:[3, 85, 71] Operation: 21+50=71 Exploring Operation: 85-50=35, Resulting Numbers: [3, 21, 35] Generated Node #0,1: 72:[3, 21, 35] Operation: 85-50=35 Exploring Operation: 50-21=29, Resulting Numbers: [3, 85, 29] Generated Node #0,2: 72:[3, 85, 29] Operation: 50-21=29 Moving to Node #0,1 Current State: 72:[3, 21, 35], Operations: ['85-50=35'] Exploring Operation: 3+21=24, Resulting Numbers: [35, 24] Generated Node #0,1,0: 72:[35, 24] Operation: 3+21=24 Exploring Operation: 21-3=18, Resulting Numbers: [35, 18] Generated Node #0,1,1: 72:[35, 18] Operation: 21-3=18 Exploring Operation: 21/3=7, Resulting Numbers: [35, 7] Generated Node #0,1,2: 72:[35, 7] Operation: 21/3=7 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 72:[35, 24], Operations: ['85-50=35', '3+21=24'] Exploring Operation: 35-24=11, Resulting Numbers: [11] 11,72 unequal: No Solution Exploring Operation: 35+24=59, Resulting Numbers: [59] 59,72 unequal: No Solution Exploring Operation: 35*24=840, Resulting Numbers: [840] 840,72 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 #0,1,1 Current State: 72:[35, 18], Operations: ['85-50=35', '21-3=18'] Exploring Operation: 35-18=17, Resulting Numbers: [17] 17,72 unequal: No Solution Exploring Operation: 35+18=53, Resulting Numbers: [53] 53,72 unequal: No Solution Exploring Operation: 35*18=630, Resulting Numbers: [630] 630,72 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 #0,1,2 Current State: 72:[35, 7], Operations: ['85-50=35', '21/3=7'] Exploring Operation: 35-7=28, Resulting Numbers: [28] 28,72 unequal: No Solution Exploring Operation: 35+7=42, Resulting Numbers: [42] 42,72 unequal: No Solution Exploring Operation: 35/7=5, Resulting Numbers: [5] 5,72 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: 72:[3, 85, 71], Operations: ['21+50=71'] Exploring Operation: 3+71=74, Resulting Numbers: [85, 74] Generated Node #0,0,0: 72:[85, 74] Operation: 3+71=74 Exploring Operation: 85-3=82, Resulting Numbers: [71, 82] Generated Node #0,0,1: 72:[71, 82] Operation: 85-3=82 Exploring Operation: 85-71=14, Resulting Numbers: [3, 14] Generated Node #0,0,2: 72:[3, 14] Operation: 85-71=14 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 72:[3, 14], Operations: ['21+50=71', '85-71=14'] Exploring Operation: 3+14=17, Resulting Numbers: [17] 17,72 unequal: No Solution Exploring Operation: 14-3=11, Resulting Numbers: [11] 11,72 unequal: No Solution Exploring Operation: 3*14=42, Resulting Numbers: [42] 42,72 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 #0,0,1 Current State: 72:[71, 82], Operations: ['21+50=71', '85-3=82'] Exploring Operation: 71+82=153, Resulting Numbers: [153] 153,72 unequal: No Solution Exploring Operation: 82-71=11, Resulting Numbers: [11] 11,72 unequal: No Solution Exploring Operation: 71*82=5822, Resulting Numbers: [5822] 5822,72 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 #0,0,0 Current State: 72:[85, 74], Operations: ['21+50=71', '3+71=74'] Exploring Operation: 85-74=11, Resulting Numbers: [11] 11,72 unequal: No Solution Exploring Operation: 85+74=159, Resulting Numbers: [159] 159,72 unequal: No Solution Exploring Operation: 85*74=6290, Resulting Numbers: [6290] 6290,72 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: 72:[3, 85, 29], Operations: ['50-21=29'] Exploring Operation: 29-3=26, Resulting Numbers: [85, 26] Generated Node #0,2,0: 72:[85, 26] Operation: 29-3=26 Exploring Operation: 85-29=56, Resulting Numbers: [3, 56] Generated Node #0,2,1: 72:[3, 56] Operation: 85-29=56 Exploring Operation: 85-3=82, Resulting Numbers: [29, 82] Generated Node #0,2,2: 72:[29, 82] Operation: 85-3=82 Moving to Node #0,2,0 Current State: 72:[85, 26], Operations: ['50-21=29', '29-3=26'] Exploring Operation: 85+26=111, Resulting Numbers: [111] 111,72 unequal: No Solution Exploring Operation: 85*26=2210, Resulting Numbers: [2210] 2210,72 unequal: No Solution Exploring Operation: 85-26=59, Resulting Numbers: [59] 59,72 unequal: No Solution Moving to Node #0,2,2 Current State: 72:[29, 82], Operations: ['50-21=29', '85-3=82'] Exploring Operation: 29+82=111, Resulting Numbers: [111] 111,72 unequal: No Solution Exploring Operation: 29*82=2378, Resulting Numbers: [2378] 2378,72 unequal: No Solution Exploring Operation: 82-29=53, Resulting Numbers: [53] 53,72 unequal: No Solution Moving to Node #0,2,1 Current State: 72:[3, 56], Operations: ['50-21=29', '85-29=56'] Exploring Operation: 56-3=53, Resulting Numbers: [53] 53,72 unequal: No Solution Exploring Operation: 3+56=59, Resulting Numbers: [59] 59,72 unequal: No Solution Exploring Operation: 3*56=168, Resulting Numbers: [168] 168,72 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 1, 60, 54, 24 ]
29
[ "60-1=59", "54-24=30", "59-30=29" ]
Current State: 29:[1, 60, 54, 24], Operations: [] Exploring Operation: 60-1=59, Resulting Numbers: [54, 24, 59] Generated Node #2: [54, 24, 59] from Operation: 60-1=59 Current State: 29:[54, 24, 59], Operations: ['60-1=59'] Exploring Operation: 54-24=30, Resulting Numbers: [59, 30] Generated Node #3: [59, 30] from Operation: 54-24=30 Current State: 29:[59, 30], Operations: ['60-1=59', '54-24=30'] Exploring Operation: 59-30=29, Resulting Numbers: [29] 29,29 equal: Goal Reached
4
Current State: 29:[1, 60, 54, 24], Operations: [] Exploring Operation: 60-54=6, Resulting Numbers: [1, 24, 6] Generated Node #0,0: 29:[1, 24, 6] Operation: 60-54=6 Exploring Operation: 60-1=59, Resulting Numbers: [54, 24, 59] Generated Node #0,1: 29:[54, 24, 59] Operation: 60-1=59 Exploring Operation: 54-1=53, Resulting Numbers: [60, 24, 53] Generated Node #0,2: 29:[60, 24, 53] Operation: 54-1=53 Exploring Operation: 1+24=25, Resulting Numbers: [60, 54, 25] Generated Node #0,3: 29:[60, 54, 25] Operation: 1+24=25 Start Sub Search at level 1: Moving to Node #0,0 Current State: 29:[1, 24, 6], Operations: ['60-54=6'] Exploring Operation: 1+6=7, Resulting Numbers: [24, 7] Generated Node #0,0,0: 29:[24, 7] Operation: 1+6=7 Exploring Operation: 1+24=25, Resulting Numbers: [6, 25] Generated Node #0,0,1: 29:[6, 25] Operation: 1+24=25 Exploring Operation: 1*24=24, Resulting Numbers: [6, 24] Generated Node #0,0,2: 29:[6, 24] Operation: 1*24=24 Exploring Operation: 24/1=24, Resulting Numbers: [6, 24] Generated Node #0,0,3: 29:[6, 24] Operation: 24/1=24 Moving to Node #0,0,0 Current State: 29:[24, 7], Operations: ['60-54=6', '1+6=7'] Exploring Operation: 24-7=17, Resulting Numbers: [17] 17,29 unequal: No Solution Exploring Operation: 24+7=31, Resulting Numbers: [31] 31,29 unequal: No Solution Exploring Operation: 24*7=168, Resulting Numbers: [168] 168,29 unequal: No Solution Moving to Node #0,0,1 Current State: 29:[6, 25], Operations: ['60-54=6', '1+24=25'] Exploring Operation: 25-6=19, Resulting Numbers: [19] 19,29 unequal: No Solution Exploring Operation: 6*25=150, Resulting Numbers: [150] 150,29 unequal: No Solution Exploring Operation: 6+25=31, Resulting Numbers: [31] 31,29 unequal: No Solution Moving to Node #0,0,3 Current State: 29:[6, 24], Operations: ['60-54=6', '24/1=24'] Exploring Operation: 24/6=4, Resulting Numbers: [4] 4,29 unequal: No Solution Exploring Operation: 6*24=144, Resulting Numbers: [144] 144,29 unequal: No Solution Exploring Operation: 24-6=18, Resulting Numbers: [18] 18,29 unequal: No Solution Exploring Operation: 6+24=30, Resulting Numbers: [30] 30,29 unequal: No Solution Moving to Node #0,0,2 Current State: 29:[6, 24], Operations: ['60-54=6', '1*24=24'] Exploring Operation: 6+24=30, Resulting Numbers: [30] 30,29 unequal: No Solution Exploring Operation: 24/6=4, Resulting Numbers: [4] 4,29 unequal: No Solution Exploring Operation: 24-6=18, Resulting Numbers: [18] 18,29 unequal: No Solution Exploring Operation: 6*24=144, Resulting Numbers: [144] 144,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 29:[54, 24, 59], Operations: ['60-1=59'] Exploring Operation: 54+24=78, Resulting Numbers: [59, 78] Generated Node #0,1,0: 29:[59, 78] Operation: 54+24=78 Exploring Operation: 59-24=35, Resulting Numbers: [54, 35] Generated Node #0,1,1: 29:[54, 35] Operation: 59-24=35 Exploring Operation: 54-24=30, Resulting Numbers: [59, 30] Generated Node #0,1,2: 29:[59, 30] Operation: 54-24=30 Exploring Operation: 59-54=5, Resulting Numbers: [24, 5] Generated Node #0,1,3: 29:[24, 5] Operation: 59-54=5 Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 29:[24, 5], Operations: ['60-1=59', '59-54=5'] Exploring Operation: 24+5=29, Resulting Numbers: [29] 29,29 equal: Goal Reached Moving to Node #0 Current State: 29:[1, 60, 54, 24], Operations: [] Exploring Operation: 60-1=59, Resulting Numbers: [54, 24, 59] Generated Node #0,1: 29:[54, 24, 59] Operation: 60-1=59 Moving to Node #0,1 Current State: 29:[54, 24, 59], Operations: ['60-1=59'] Exploring Operation: 59-54=5, Resulting Numbers: [24, 5] Generated Node #0,1,3: 29:[24, 5] Operation: 59-54=5 Moving to Node #0,1,3 Current State: 29:[24, 5], Operations: ['60-1=59', '59-54=5'] Exploring Operation: 24+5=29, Resulting Numbers: [29] 29,29 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.97309
hs_4
sum_heuristic
[ 69, 80, 92, 87 ]
55
[ "80-69=11", "92-87=5", "11*5=55" ]
Current State: 55:[69, 80, 92, 87], Operations: [] Exploring Operation: 80-69=11, Resulting Numbers: [92, 87, 11] Generated Node #2: [92, 87, 11] from Operation: 80-69=11 Current State: 55:[92, 87, 11], Operations: ['80-69=11'] Exploring Operation: 92-87=5, Resulting Numbers: [11, 5] Generated Node #3: [11, 5] from Operation: 92-87=5 Current State: 55:[11, 5], Operations: ['80-69=11', '92-87=5'] Exploring Operation: 11*5=55, Resulting Numbers: [55] 55,55 equal: Goal Reached
4
Current State: 55:[69, 80, 92, 87], Operations: [] Exploring Operation: 92-80=12, Resulting Numbers: [69, 87, 12] Generated Node #0,0: 55:[69, 87, 12] Operation: 92-80=12 Exploring Operation: 92-87=5, Resulting Numbers: [69, 80, 5] Generated Node #0,1: 55:[69, 80, 5] Operation: 92-87=5 Start Sub Search at level 1: Moving to Node #0,1 Current State: 55:[69, 80, 5], Operations: ['92-87=5'] Exploring Operation: 80/5=16, Resulting Numbers: [69, 16] Generated Node #0,1,0: 55:[69, 16] Operation: 80/5=16 Exploring Operation: 80-69=11, Resulting Numbers: [5, 11] Generated Node #0,1,1: 55:[5, 11] Operation: 80-69=11 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 55:[5, 11], Operations: ['92-87=5', '80-69=11'] Exploring Operation: 5*11=55, Resulting Numbers: [55] 55,55 equal: Goal Reached Moving to Node #0 Current State: 55:[69, 80, 92, 87], Operations: [] Exploring Operation: 92-87=5, Resulting Numbers: [69, 80, 5] Generated Node #0,1: 55:[69, 80, 5] Operation: 92-87=5 Moving to Node #0,1 Current State: 55:[69, 80, 5], Operations: ['92-87=5'] Exploring Operation: 80-69=11, Resulting Numbers: [5, 11] Generated Node #0,1,1: 55:[5, 11] Operation: 80-69=11 Moving to Node #0,1,1 Current State: 55:[5, 11], Operations: ['92-87=5', '80-69=11'] Exploring Operation: 5*11=55, Resulting Numbers: [55] 55,55 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.992188
hs_2
sum_heuristic
[ 65, 23, 51, 49 ]
40
[ "65-23=42", "51-49=2", "42-2=40" ]
Current State: 40:[65, 23, 51, 49], Operations: [] Exploring Operation: 65-23=42, Resulting Numbers: [51, 49, 42] Generated Node #2: [51, 49, 42] from Operation: 65-23=42 Current State: 40:[51, 49, 42], Operations: ['65-23=42'] Exploring Operation: 51-49=2, Resulting Numbers: [42, 2] Generated Node #3: [42, 2] from Operation: 51-49=2 Current State: 40:[42, 2], Operations: ['65-23=42', '51-49=2'] Exploring Operation: 42-2=40, Resulting Numbers: [40] 40,40 equal: Goal Reached
4
Current State: 40:[65, 23, 51, 49], Operations: [] Exploring Operation: 65-49=16, Resulting Numbers: [23, 51, 16] Generated Node #0,0: 40:[23, 51, 16] Operation: 65-49=16 Exploring Operation: 65-51=14, Resulting Numbers: [23, 49, 14] Generated Node #0,1: 40:[23, 49, 14] Operation: 65-51=14 Moving to Node #0,1 Current State: 40:[23, 49, 14], Operations: ['65-51=14'] Exploring Operation: 49-23=26, Resulting Numbers: [14, 26] Generated Node #0,1,0: 40:[14, 26] Operation: 49-23=26 Exploring Operation: 49-14=35, Resulting Numbers: [23, 35] Generated Node #0,1,1: 40:[23, 35] Operation: 49-14=35 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 40:[23, 35], Operations: ['65-51=14', '49-14=35'] Exploring Operation: 23+35=58, Resulting Numbers: [58] 58,40 unequal: No Solution Exploring Operation: 35-23=12, Resulting Numbers: [12] 12,40 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 40:[14, 26], Operations: ['65-51=14', '49-23=26'] Exploring Operation: 14+26=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Moving to Node #0 Current State: 40:[65, 23, 51, 49], Operations: [] Exploring Operation: 65-51=14, Resulting Numbers: [23, 49, 14] Generated Node #0,1: 40:[23, 49, 14] Operation: 65-51=14 Moving to Node #0,1 Current State: 40:[23, 49, 14], Operations: ['65-51=14'] Exploring Operation: 49-23=26, Resulting Numbers: [14, 26] Generated Node #0,1,0: 40:[14, 26] Operation: 49-23=26 Moving to Node #0,1,0 Current State: 40:[14, 26], Operations: ['65-51=14', '49-23=26'] Exploring Operation: 14+26=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_2
sum_heuristic
[ 2, 34, 90, 20 ]
34
[ "2+34=36", "90-20=70", "70-36=34" ]
Current State: 34:[2, 34, 90, 20], Operations: [] Exploring Operation: 2+34=36, Resulting Numbers: [90, 20, 36] Generated Node #2: [90, 20, 36] from Operation: 2+34=36 Current State: 34:[90, 20, 36], Operations: ['2+34=36'] Exploring Operation: 90-20=70, Resulting Numbers: [36, 70] Generated Node #3: [36, 70] from Operation: 90-20=70 Current State: 34:[36, 70], Operations: ['2+34=36', '90-20=70'] Exploring Operation: 70-36=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
4
Current State: 34:[2, 34, 90, 20], Operations: [] Exploring Operation: 90/2=45, Resulting Numbers: [34, 20, 45] Generated Node #0,0: 34:[34, 20, 45] Operation: 90/2=45 Exploring Operation: 90-2=88, Resulting Numbers: [34, 20, 88] Generated Node #0,1: 34:[34, 20, 88] Operation: 90-2=88 Exploring Operation: 90-34=56, Resulting Numbers: [2, 20, 56] Generated Node #0,2: 34:[2, 20, 56] Operation: 90-34=56 Exploring Operation: 90-20=70, Resulting Numbers: [2, 34, 70] Generated Node #0,3: 34:[2, 34, 70] Operation: 90-20=70 Start Sub Search at level 1: Moving to Node #0,0 Current State: 34:[34, 20, 45], Operations: ['90/2=45'] Exploring Operation: 45-20=25, Resulting Numbers: [34, 25] Generated Node #0,0,0: 34:[34, 25] Operation: 45-20=25 Exploring Operation: 34+20=54, Resulting Numbers: [45, 54] Generated Node #0,0,1: 34:[45, 54] Operation: 34+20=54 Exploring Operation: 45-34=11, Resulting Numbers: [20, 11] Generated Node #0,0,2: 34:[20, 11] Operation: 45-34=11 Exploring Operation: 34-20=14, Resulting Numbers: [45, 14] Generated Node #0,0,3: 34:[45, 14] Operation: 34-20=14 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 34:[34, 25], Operations: ['90/2=45', '45-20=25'] Exploring Operation: 34*25=850, Resulting Numbers: [850] 850,34 unequal: No Solution Exploring Operation: 34-25=9, Resulting Numbers: [9] 9,34 unequal: No Solution Exploring Operation: 34+25=59, Resulting Numbers: [59] 59,34 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 34:[20, 11], Operations: ['90/2=45', '45-34=11'] Exploring Operation: 20+11=31, Resulting Numbers: [31] 31,34 unequal: No Solution Exploring Operation: 20*11=220, Resulting Numbers: [220] 220,34 unequal: No Solution Exploring Operation: 20-11=9, Resulting Numbers: [9] 9,34 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 34:[45, 14], Operations: ['90/2=45', '34-20=14'] Exploring Operation: 45+14=59, Resulting Numbers: [59] 59,34 unequal: No Solution Exploring Operation: 45-14=31, Resulting Numbers: [31] 31,34 unequal: No Solution Exploring Operation: 45*14=630, Resulting Numbers: [630] 630,34 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 34:[45, 54], Operations: ['90/2=45', '34+20=54'] Exploring Operation: 54-45=9, Resulting Numbers: [9] 9,34 unequal: No Solution Exploring Operation: 45+54=99, Resulting Numbers: [99] 99,34 unequal: No Solution Exploring Operation: 45*54=2430, Resulting Numbers: [2430] 2430,34 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 34:[2, 20, 56], Operations: ['90-34=56'] Exploring Operation: 56-20=36, Resulting Numbers: [2, 36] Generated Node #0,2,0: 34:[2, 36] Operation: 56-20=36 Exploring Operation: 20-2=18, Resulting Numbers: [56, 18] Generated Node #0,2,1: 34:[56, 18] Operation: 20-2=18 Exploring Operation: 56/2=28, Resulting Numbers: [20, 28] Generated Node #0,2,2: 34:[20, 28] Operation: 56/2=28 Exploring Operation: 56-2=54, Resulting Numbers: [20, 54] Generated Node #0,2,3: 34:[20, 54] Operation: 56-2=54 Moving to Node #0,2,0 Current State: 34:[2, 36], Operations: ['90-34=56', '56-20=36'] Exploring Operation: 2*36=72, Resulting Numbers: [72] 72,34 unequal: No Solution Exploring Operation: 2+36=38, Resulting Numbers: [38] 38,34 unequal: No Solution Exploring Operation: 36/2=18, Resulting Numbers: [18] 18,34 unequal: No Solution Exploring Operation: 36-2=34, Resulting Numbers: [34] 34,34 equal: Goal Reached Moving to Node #0 Current State: 34:[2, 34, 90, 20], Operations: [] Exploring Operation: 90-34=56, Resulting Numbers: [2, 20, 56] Generated Node #0,2: 34:[2, 20, 56] Operation: 90-34=56 Moving to Node #0,2 Current State: 34:[2, 20, 56], Operations: ['90-34=56'] Exploring Operation: 56-20=36, Resulting Numbers: [2, 36] Generated Node #0,2,0: 34:[2, 36] Operation: 56-20=36 Moving to Node #0,2,0 Current State: 34:[2, 36], Operations: ['90-34=56', '56-20=36'] Exploring Operation: 36-2=34, Resulting Numbers: [34] 34,34 equal: Goal Reached Exit Sub Search at level 1
0.972222
hs_4
sum_heuristic
[ 24, 67, 2, 29 ]
100
[ "67-29=38", "2*38=76", "24+76=100" ]
Current State: 100:[24, 67, 2, 29], Operations: [] Exploring Operation: 67-29=38, Resulting Numbers: [24, 2, 38] Generated Node #2: [24, 2, 38] from Operation: 67-29=38 Current State: 100:[24, 2, 38], Operations: ['67-29=38'] Exploring Operation: 2*38=76, Resulting Numbers: [24, 76] Generated Node #3: [24, 76] from Operation: 2*38=76 Current State: 100:[24, 76], Operations: ['67-29=38', '2*38=76'] Exploring Operation: 24+76=100, Resulting Numbers: [100] 100,100 equal: Goal Reached
4
Current State: 100:[24, 67, 2, 29], Operations: [] Exploring Operation: 24+67=91, Resulting Numbers: [2, 29, 91] Generated Node #0,0: 100:[2, 29, 91] Operation: 24+67=91 Exploring Operation: 67-24=43, Resulting Numbers: [2, 29, 43] Generated Node #0,1: 100:[2, 29, 43] Operation: 67-24=43 Exploring Operation: 67-29=38, Resulting Numbers: [24, 2, 38] Generated Node #0,2: 100:[24, 2, 38] Operation: 67-29=38 Exploring Operation: 67+29=96, Resulting Numbers: [24, 2, 96] Generated Node #0,3: 100:[24, 2, 96] Operation: 67+29=96 Moving to Node #0,3 Current State: 100:[24, 2, 96], Operations: ['67+29=96'] Exploring Operation: 96/2=48, Resulting Numbers: [24, 48] Generated Node #0,3,0: 100:[24, 48] Operation: 96/2=48 Exploring Operation: 2+96=98, Resulting Numbers: [24, 98] Generated Node #0,3,1: 100:[24, 98] Operation: 2+96=98 Exploring Operation: 24+2=26, Resulting Numbers: [96, 26] Generated Node #0,3,2: 100:[96, 26] Operation: 24+2=26 Exploring Operation: 96/24=4, Resulting Numbers: [2, 4] Generated Node #0,3,3: 100:[2, 4] Operation: 96/24=4 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 100:[2, 4], Operations: ['67+29=96', '96/24=4'] Exploring Operation: 2+4=6, Resulting Numbers: [6] 6,100 unequal: No Solution Exploring Operation: 2*4=8, Resulting Numbers: [8] 8,100 unequal: No Solution Exploring Operation: 4-2=2, Resulting Numbers: [2] 2,100 unequal: No Solution Exploring Operation: 4/2=2, Resulting Numbers: [2] 2,100 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 100:[24, 48], Operations: ['67+29=96', '96/2=48'] Exploring Operation: 48/24=2, Resulting Numbers: [2] 2,100 unequal: No Solution Exploring Operation: 24+48=72, Resulting Numbers: [72] 72,100 unequal: No Solution Exploring Operation: 24*48=1152, Resulting Numbers: [1152] 1152,100 unequal: No Solution Exploring Operation: 48-24=24, Resulting Numbers: [24] 24,100 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 100:[24, 98], Operations: ['67+29=96', '2+96=98'] Exploring Operation: 24+98=122, Resulting Numbers: [122] 122,100 unequal: No Solution Exploring Operation: 24*98=2352, Resulting Numbers: [2352] 2352,100 unequal: No Solution Exploring Operation: 98-24=74, Resulting Numbers: [74] 74,100 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 100:[96, 26], Operations: ['67+29=96', '24+2=26'] Exploring Operation: 96+26=122, Resulting Numbers: [122] 122,100 unequal: No Solution Exploring Operation: 96*26=2496, Resulting Numbers: [2496] 2496,100 unequal: No Solution Exploring Operation: 96-26=70, Resulting Numbers: [70] 70,100 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: 100:[2, 29, 43], Operations: ['67-24=43'] Exploring Operation: 29-2=27, Resulting Numbers: [43, 27] Generated Node #0,1,0: 100:[43, 27] Operation: 29-2=27 Exploring Operation: 2+29=31, Resulting Numbers: [43, 31] Generated Node #0,1,1: 100:[43, 31] Operation: 2+29=31 Exploring Operation: 43-29=14, Resulting Numbers: [2, 14] Generated Node #0,1,2: 100:[2, 14] Operation: 43-29=14 Exploring Operation: 2+43=45, Resulting Numbers: [29, 45] Generated Node #0,1,3: 100:[29, 45] Operation: 2+43=45 Moving to Node #0,2 Current State: 100:[24, 2, 38], Operations: ['67-29=38'] Exploring Operation: 38-24=14, Resulting Numbers: [2, 14] Generated Node #0,2,0: 100:[2, 14] Operation: 38-24=14 Exploring Operation: 2+38=40, Resulting Numbers: [24, 40] Generated Node #0,2,1: 100:[24, 40] Operation: 2+38=40 Exploring Operation: 38/2=19, Resulting Numbers: [24, 19] Generated Node #0,2,2: 100:[24, 19] Operation: 38/2=19 Exploring Operation: 24+38=62, Resulting Numbers: [2, 62] Generated Node #0,2,3: 100:[2, 62] Operation: 24+38=62 Moving to Node #0,0 Current State: 100:[2, 29, 91], Operations: ['24+67=91'] Exploring Operation: 2+91=93, Resulting Numbers: [29, 93] Generated Node #0,0,0: 100:[29, 93] Operation: 2+91=93 Exploring Operation: 2+29=31, Resulting Numbers: [91, 31] Generated Node #0,0,1: 100:[91, 31] Operation: 2+29=31 Exploring Operation: 29-2=27, Resulting Numbers: [91, 27] Generated Node #0,0,2: 100:[91, 27] Operation: 29-2=27 Exploring Operation: 91-29=62, Resulting Numbers: [2, 62] Generated Node #0,0,3: 100:[2, 62] Operation: 91-29=62 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 100:[29, 93], Operations: ['24+67=91', '2+91=93'] Exploring Operation: 93-29=64, Resulting Numbers: [64] 64,100 unequal: No Solution Exploring Operation: 29+93=122, Resulting Numbers: [122] 122,100 unequal: No Solution Exploring Operation: 29*93=2697, Resulting Numbers: [2697] 2697,100 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 100:[91, 27], Operations: ['24+67=91', '29-2=27'] Exploring Operation: 91+27=118, Resulting Numbers: [118] 118,100 unequal: No Solution Exploring Operation: 91*27=2457, Resulting Numbers: [2457] 2457,100 unequal: No Solution Exploring Operation: 91-27=64, Resulting Numbers: [64] 64,100 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 100:[2, 62], Operations: ['24+67=91', '91-29=62'] Exploring Operation: 62-2=60, Resulting Numbers: [60] 60,100 unequal: No Solution Exploring Operation: 2*62=124, Resulting Numbers: [124] 124,100 unequal: No Solution Exploring Operation: 62/2=31, Resulting Numbers: [31] 31,100 unequal: No Solution Exploring Operation: 2+62=64, Resulting Numbers: [64] 64,100 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 100:[91, 31], Operations: ['24+67=91', '2+29=31'] Exploring Operation: 91-31=60, Resulting Numbers: [60] 60,100 unequal: No Solution Exploring Operation: 91+31=122, Resulting Numbers: [122] 122,100 unequal: No Solution Exploring Operation: 91*31=2821, Resulting Numbers: [2821] 2821,100 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2,2 Current State: 100:[24, 19], Operations: ['67-29=38', '38/2=19'] Exploring Operation: 24*19=456, Resulting Numbers: [456] 456,100 unequal: No Solution Exploring Operation: 24-19=5, Resulting Numbers: [5] 5,100 unequal: No Solution Exploring Operation: 24+19=43, Resulting Numbers: [43] 43,100 unequal: No Solution Moving to Node #0,2,0 Current State: 100:[2, 14], Operations: ['67-29=38', '38-24=14'] Exploring Operation: 2*14=28, Resulting Numbers: [28] 28,100 unequal: No Solution Exploring Operation: 2+14=16, Resulting Numbers: [16] 16,100 unequal: No Solution Exploring Operation: 14/2=7, Resulting Numbers: [7] 7,100 unequal: No Solution Exploring Operation: 14-2=12, Resulting Numbers: [12] 12,100 unequal: No Solution Moving to Node #0,1,2 Current State: 100:[2, 14], Operations: ['67-24=43', '43-29=14'] Exploring Operation: 2+14=16, Resulting Numbers: [16] 16,100 unequal: No Solution Exploring Operation: 2*14=28, Resulting Numbers: [28] 28,100 unequal: No Solution Exploring Operation: 14-2=12, Resulting Numbers: [12] 12,100 unequal: No Solution Exploring Operation: 14/2=7, Resulting Numbers: [7] 7,100 unequal: No Solution Moving to Node #0,1,3 Current State: 100:[29, 45], Operations: ['67-24=43', '2+43=45'] Exploring Operation: 29*45=1305, Resulting Numbers: [1305] 1305,100 unequal: No Solution Exploring Operation: 29+45=74, Resulting Numbers: [74] 74,100 unequal: No Solution Exploring Operation: 45-29=16, Resulting Numbers: [16] 16,100 unequal: No Solution Moving to Node #0,1,0 Current State: 100:[43, 27], Operations: ['67-24=43', '29-2=27'] Exploring Operation: 43+27=70, Resulting Numbers: [70] 70,100 unequal: No Solution Exploring Operation: 43-27=16, Resulting Numbers: [16] 16,100 unequal: No Solution Exploring Operation: 43*27=1161, Resulting Numbers: [1161] 1161,100 unequal: No Solution Moving to Node #0,2,1 Current State: 100:[24, 40], Operations: ['67-29=38', '2+38=40'] Exploring Operation: 24*40=960, Resulting Numbers: [960] 960,100 unequal: No Solution Exploring Operation: 40-24=16, Resulting Numbers: [16] 16,100 unequal: No Solution Exploring Operation: 24+40=64, Resulting Numbers: [64] 64,100 unequal: No Solution Moving to Node #0,2,3 Current State: 100:[2, 62], Operations: ['67-29=38', '24+38=62'] Exploring Operation: 2+62=64, Resulting Numbers: [64] 64,100 unequal: No Solution Exploring Operation: 62-2=60, Resulting Numbers: [60] 60,100 unequal: No Solution Exploring Operation: 62/2=31, Resulting Numbers: [31] 31,100 unequal: No Solution Exploring Operation: 2*62=124, Resulting Numbers: [124] 124,100 unequal: No Solution Moving to Node #0,1,1 Current State: 100:[43, 31], Operations: ['67-24=43', '2+29=31'] Exploring Operation: 43*31=1333, Resulting Numbers: [1333] 1333,100 unequal: No Solution Exploring Operation: 43+31=74, Resulting Numbers: [74] 74,100 unequal: No Solution Exploring Operation: 43-31=12, Resulting Numbers: [12] 12,100 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 81, 20, 11, 59 ]
22
[ "81-20=61", "61-59=2", "11*2=22" ]
Current State: 22:[81, 20, 11, 59], Operations: [] Exploring Operation: 81-20=61, Resulting Numbers: [11, 59, 61] Generated Node #2: [11, 59, 61] from Operation: 81-20=61 Current State: 22:[11, 59, 61], Operations: ['81-20=61'] Exploring Operation: 61-59=2, Resulting Numbers: [11, 2] Generated Node #3: [11, 2] from Operation: 61-59=2 Current State: 22:[11, 2], Operations: ['81-20=61', '61-59=2'] Exploring Operation: 11*2=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
4
Current State: 22:[81, 20, 11, 59], Operations: [] Exploring Operation: 81-59=22, Resulting Numbers: [20, 11, 22] Generated Node #0,0: 22:[20, 11, 22] Operation: 81-59=22 Exploring Operation: 59-20=39, Resulting Numbers: [81, 11, 39] Generated Node #0,1: 22:[81, 11, 39] Operation: 59-20=39 Exploring Operation: 81-20=61, Resulting Numbers: [11, 59, 61] Generated Node #0,2: 22:[11, 59, 61] Operation: 81-20=61 Moving to Node #0,0 Current State: 22:[20, 11, 22], Operations: ['81-59=22'] Exploring Operation: 20-11=9, Resulting Numbers: [22, 9] Generated Node #0,0,0: 22:[22, 9] Operation: 20-11=9 Exploring Operation: 22-20=2, Resulting Numbers: [11, 2] Generated Node #0,0,1: 22:[11, 2] Operation: 22-20=2 Exploring Operation: 22-11=11, Resulting Numbers: [20, 11] Generated Node #0,0,2: 22:[20, 11] Operation: 22-11=11 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 22:[11, 2], Operations: ['81-59=22', '22-20=2'] Exploring Operation: 11*2=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Moving to Node #0 Current State: 22:[81, 20, 11, 59], Operations: [] Exploring Operation: 81-59=22, Resulting Numbers: [20, 11, 22] Generated Node #0,0: 22:[20, 11, 22] Operation: 81-59=22 Moving to Node #0,0 Current State: 22:[20, 11, 22], Operations: ['81-59=22'] Exploring Operation: 22-20=2, Resulting Numbers: [11, 2] Generated Node #0,0,1: 22:[11, 2] Operation: 22-20=2 Moving to Node #0,0,1 Current State: 22:[11, 2], Operations: ['81-59=22', '22-20=2'] Exploring Operation: 11*2=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_3
sum_heuristic
[ 21, 35, 63, 86 ]
93
[ "21+35=56", "63+86=149", "149-56=93" ]
Current State: 93:[21, 35, 63, 86], Operations: [] Exploring Operation: 21+35=56, Resulting Numbers: [63, 86, 56] Generated Node #2: [63, 86, 56] from Operation: 21+35=56 Current State: 93:[63, 86, 56], Operations: ['21+35=56'] Exploring Operation: 63+86=149, Resulting Numbers: [56, 149] Generated Node #3: [56, 149] from Operation: 63+86=149 Current State: 93:[56, 149], Operations: ['21+35=56', '63+86=149'] Exploring Operation: 149-56=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
4
Current State: 93:[21, 35, 63, 86], Operations: [] Exploring Operation: 63/21=3, Resulting Numbers: [35, 86, 3] Generated Node #0,0: 93:[35, 86, 3] Operation: 63/21=3 Start Sub Search at level 1: Moving to Node #0,0 Current State: 93:[35, 86, 3], Operations: ['63/21=3'] Exploring Operation: 35-3=32, Resulting Numbers: [86, 32] Generated Node #0,0,0: 93:[86, 32] Operation: 35-3=32 Moving to Node #0,0,0 Current State: 93:[86, 32], Operations: ['63/21=3', '35-3=32'] Exploring Operation: 86-32=54, Resulting Numbers: [54] 54,93 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
[ 44, 51, 11, 38 ]
68
[ "44+51=95", "38-11=27", "95-27=68" ]
Current State: 68:[44, 51, 11, 38], Operations: [] Exploring Operation: 44+51=95, Resulting Numbers: [11, 38, 95] Generated Node #2: [11, 38, 95] from Operation: 44+51=95 Current State: 68:[11, 38, 95], Operations: ['44+51=95'] Exploring Operation: 38-11=27, Resulting Numbers: [95, 27] Generated Node #3: [95, 27] from Operation: 38-11=27 Current State: 68:[95, 27], Operations: ['44+51=95', '38-11=27'] Exploring Operation: 95-27=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
4
Current State: 68:[44, 51, 11, 38], Operations: [] Exploring Operation: 51+11=62, Resulting Numbers: [44, 38, 62] Generated Node #0,0: 68:[44, 38, 62] Operation: 51+11=62 Exploring Operation: 51-44=7, Resulting Numbers: [11, 38, 7] Generated Node #0,1: 68:[11, 38, 7] Operation: 51-44=7 Exploring Operation: 51-11=40, Resulting Numbers: [44, 38, 40] Generated Node #0,2: 68:[44, 38, 40] Operation: 51-11=40 Start Sub Search at level 1: Moving to Node #0,1 Current State: 68:[11, 38, 7], Operations: ['51-44=7'] Exploring Operation: 11-7=4, Resulting Numbers: [38, 4] Generated Node #0,1,0: 68:[38, 4] Operation: 11-7=4 Exploring Operation: 38-7=31, Resulting Numbers: [11, 31] Generated Node #0,1,1: 68:[11, 31] Operation: 38-7=31 Exploring Operation: 11+7=18, Resulting Numbers: [38, 18] Generated Node #0,1,2: 68:[38, 18] Operation: 11+7=18 Moving to Node #0,1,0 Current State: 68:[38, 4], Operations: ['51-44=7', '11-7=4'] Exploring Operation: 38*4=152, Resulting Numbers: [152] 152,68 unequal: No Solution Exploring Operation: 38+4=42, Resulting Numbers: [42] 42,68 unequal: No Solution Exploring Operation: 38-4=34, Resulting Numbers: [34] 34,68 unequal: No Solution Moving to Node #0,1,2 Current State: 68:[38, 18], Operations: ['51-44=7', '11+7=18'] Exploring Operation: 38*18=684, Resulting Numbers: [684] 684,68 unequal: No Solution Exploring Operation: 38+18=56, Resulting Numbers: [56] 56,68 unequal: No Solution Exploring Operation: 38-18=20, Resulting Numbers: [20] 20,68 unequal: No Solution Moving to Node #0,1,1 Current State: 68:[11, 31], Operations: ['51-44=7', '38-7=31'] Exploring Operation: 11*31=341, Resulting Numbers: [341] 341,68 unequal: No Solution Exploring Operation: 31-11=20, Resulting Numbers: [20] 20,68 unequal: No Solution Exploring Operation: 11+31=42, Resulting Numbers: [42] 42,68 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 68:[44, 38, 62], Operations: ['51+11=62'] Exploring Operation: 62-38=24, Resulting Numbers: [44, 24] Generated Node #0,0,0: 68:[44, 24] Operation: 62-38=24 Exploring Operation: 62-44=18, Resulting Numbers: [38, 18] Generated Node #0,0,1: 68:[38, 18] Operation: 62-44=18 Exploring Operation: 44-38=6, Resulting Numbers: [62, 6] Generated Node #0,0,2: 68:[62, 6] Operation: 44-38=6 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 68:[38, 18], Operations: ['51+11=62', '62-44=18'] Exploring Operation: 38-18=20, Resulting Numbers: [20] 20,68 unequal: No Solution Exploring Operation: 38*18=684, Resulting Numbers: [684] 684,68 unequal: No Solution Exploring Operation: 38+18=56, Resulting Numbers: [56] 56,68 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 68:[62, 6], Operations: ['51+11=62', '44-38=6'] Exploring Operation: 62*6=372, Resulting Numbers: [372] 372,68 unequal: No Solution Exploring Operation: 62+6=68, Resulting Numbers: [68] 68,68 equal: Goal Reached Moving to Node #0 Current State: 68:[44, 51, 11, 38], Operations: [] Exploring Operation: 51+11=62, Resulting Numbers: [44, 38, 62] Generated Node #0,0: 68:[44, 38, 62] Operation: 51+11=62 Moving to Node #0,0 Current State: 68:[44, 38, 62], Operations: ['51+11=62'] Exploring Operation: 44-38=6, Resulting Numbers: [62, 6] Generated Node #0,0,2: 68:[62, 6] Operation: 44-38=6 Moving to Node #0,0,2 Current State: 68:[62, 6], Operations: ['51+11=62', '44-38=6'] Exploring Operation: 62+6=68, Resulting Numbers: [68] 68,68 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.976563
hs_3
mult_heuristic
[ 84, 30, 2, 60 ]
36
[ "84-60=24", "30*2=60", "60-24=36" ]
Current State: 36:[84, 30, 2, 60], Operations: [] Exploring Operation: 84-60=24, Resulting Numbers: [30, 2, 24] Generated Node #2: [30, 2, 24] from Operation: 84-60=24 Current State: 36:[30, 2, 24], Operations: ['84-60=24'] Exploring Operation: 30*2=60, Resulting Numbers: [24, 60] Generated Node #3: [24, 60] from Operation: 30*2=60 Current State: 36:[24, 60], Operations: ['84-60=24', '30*2=60'] Exploring Operation: 60-24=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
4
Current State: 36:[84, 30, 2, 60], Operations: [] Exploring Operation: 84-60=24, Resulting Numbers: [30, 2, 24] Generated Node #0,0: 36:[30, 2, 24] Operation: 84-60=24 Exploring Operation: 60/30=2, Resulting Numbers: [84, 2, 2] Generated Node #0,1: 36:[84, 2, 2] Operation: 60/30=2 Exploring Operation: 84-30=54, Resulting Numbers: [2, 60, 54] Generated Node #0,2: 36:[2, 60, 54] Operation: 84-30=54 Exploring Operation: 84/2=42, Resulting Numbers: [30, 60, 42] Generated Node #0,3: 36:[30, 60, 42] Operation: 84/2=42 Start Sub Search at level 1: Moving to Node #0,0 Current State: 36:[30, 2, 24], Operations: ['84-60=24'] Exploring Operation: 30+2=32, Resulting Numbers: [24, 32] Generated Node #0,0,0: 36:[24, 32] Operation: 30+2=32 Exploring Operation: 24/2=12, Resulting Numbers: [30, 12] Generated Node #0,0,1: 36:[30, 12] Operation: 24/2=12 Exploring Operation: 30-24=6, Resulting Numbers: [2, 6] Generated Node #0,0,2: 36:[2, 6] Operation: 30-24=6 Exploring Operation: 30/2=15, Resulting Numbers: [24, 15] Generated Node #0,0,3: 36:[24, 15] Operation: 30/2=15 Moving to Node #0,0,2 Current State: 36:[2, 6], Operations: ['84-60=24', '30-24=6'] Exploring Operation: 2*6=12, Resulting Numbers: [12] 12,36 unequal: No Solution Exploring Operation: 6/2=3, Resulting Numbers: [3] 3,36 unequal: No Solution Exploring Operation: 6-2=4, Resulting Numbers: [4] 4,36 unequal: No Solution Exploring Operation: 2+6=8, Resulting Numbers: [8] 8,36 unequal: No Solution Moving to Node #0,0,1 Current State: 36:[30, 12], Operations: ['84-60=24', '24/2=12'] Exploring Operation: 30+12=42, Resulting Numbers: [42] 42,36 unequal: No Solution Exploring Operation: 30*12=360, Resulting Numbers: [360] 360,36 unequal: No Solution Exploring Operation: 30-12=18, Resulting Numbers: [18] 18,36 unequal: No Solution Moving to Node #0,0,3 Current State: 36:[24, 15], Operations: ['84-60=24', '30/2=15'] Exploring Operation: 24-15=9, Resulting Numbers: [9] 9,36 unequal: No Solution Exploring Operation: 24*15=360, Resulting Numbers: [360] 360,36 unequal: No Solution Exploring Operation: 24+15=39, Resulting Numbers: [39] 39,36 unequal: No Solution Moving to Node #0,0,0 Current State: 36:[24, 32], Operations: ['84-60=24', '30+2=32'] Exploring Operation: 24*32=768, Resulting Numbers: [768] 768,36 unequal: No Solution Exploring Operation: 24+32=56, Resulting Numbers: [56] 56,36 unequal: No Solution Exploring Operation: 32-24=8, Resulting Numbers: [8] 8,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 36:[30, 60, 42], Operations: ['84/2=42'] Exploring Operation: 42-30=12, Resulting Numbers: [60, 12] Generated Node #0,3,0: 36:[60, 12] Operation: 42-30=12 Exploring Operation: 60-42=18, Resulting Numbers: [30, 18] Generated Node #0,3,1: 36:[30, 18] Operation: 60-42=18 Exploring Operation: 60-30=30, Resulting Numbers: [42, 30] Generated Node #0,3,2: 36:[42, 30] Operation: 60-30=30 Exploring Operation: 60/30=2, Resulting Numbers: [42, 2] Generated Node #0,3,3: 36:[42, 2] Operation: 60/30=2 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 36:[30, 18], Operations: ['84/2=42', '60-42=18'] Exploring Operation: 30*18=540, Resulting Numbers: [540] 540,36 unequal: No Solution Exploring Operation: 30+18=48, Resulting Numbers: [48] 48,36 unequal: No Solution Exploring Operation: 30-18=12, Resulting Numbers: [12] 12,36 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 36:[42, 2], Operations: ['84/2=42', '60/30=2'] Exploring Operation: 42-2=40, Resulting Numbers: [40] 40,36 unequal: No Solution Exploring Operation: 42/2=21, Resulting Numbers: [21] 21,36 unequal: No Solution Exploring Operation: 42+2=44, Resulting Numbers: [44] 44,36 unequal: No Solution Exploring Operation: 42*2=84, Resulting Numbers: [84] 84,36 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 36:[42, 30], Operations: ['84/2=42', '60-30=30'] Exploring Operation: 42*30=1260, Resulting Numbers: [1260] 1260,36 unequal: No Solution Exploring Operation: 42-30=12, Resulting Numbers: [12] 12,36 unequal: No Solution Exploring Operation: 42+30=72, Resulting Numbers: [72] 72,36 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:[60, 12], Operations: ['84/2=42', '42-30=12'] Exploring Operation: 60+12=72, Resulting Numbers: [72] 72,36 unequal: No Solution Exploring Operation: 60*12=720, Resulting Numbers: [720] 720,36 unequal: No Solution Exploring Operation: 60/12=5, Resulting Numbers: [5] 5,36 unequal: No Solution Exploring Operation: 60-12=48, Resulting Numbers: [48] 48,36 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 36:[2, 60, 54], Operations: ['84-30=54'] Exploring Operation: 60-54=6, Resulting Numbers: [2, 6] Generated Node #0,2,0: 36:[2, 6] Operation: 60-54=6 Exploring Operation: 60/2=30, Resulting Numbers: [54, 30] Generated Node #0,2,1: 36:[54, 30] Operation: 60/2=30 Exploring Operation: 60-2=58, Resulting Numbers: [54, 58] Generated Node #0,2,2: 36:[54, 58] Operation: 60-2=58 Exploring Operation: 54/2=27, Resulting Numbers: [60, 27] Generated Node #0,2,3: 36:[60, 27] Operation: 54/2=27 Moving to Node #0,2,0 Current State: 36:[2, 6], Operations: ['84-30=54', '60-54=6'] Exploring Operation: 2*6=12, Resulting Numbers: [12] 12,36 unequal: No Solution Exploring Operation: 6/2=3, Resulting Numbers: [3] 3,36 unequal: No Solution Exploring Operation: 2+6=8, Resulting Numbers: [8] 8,36 unequal: No Solution Exploring Operation: 6-2=4, Resulting Numbers: [4] 4,36 unequal: No Solution Moving to Node #0,2,1 Current State: 36:[54, 30], Operations: ['84-30=54', '60/2=30'] Exploring Operation: 54-30=24, Resulting Numbers: [24] 24,36 unequal: No Solution Exploring Operation: 54*30=1620, Resulting Numbers: [1620] 1620,36 unequal: No Solution Exploring Operation: 54+30=84, Resulting Numbers: [84] 84,36 unequal: No Solution Moving to Node #0,2,3 Current State: 36:[60, 27], Operations: ['84-30=54', '54/2=27'] Exploring Operation: 60*27=1620, Resulting Numbers: [1620] 1620,36 unequal: No Solution Exploring Operation: 60-27=33, Resulting Numbers: [33] 33,36 unequal: No Solution Exploring Operation: 60+27=87, Resulting Numbers: [87] 87,36 unequal: No Solution Moving to Node #0,2,2 Current State: 36:[54, 58], Operations: ['84-30=54', '60-2=58'] Exploring Operation: 54*58=3132, Resulting Numbers: [3132] 3132,36 unequal: No Solution Exploring Operation: 54+58=112, Resulting Numbers: [112] 112,36 unequal: No Solution Exploring Operation: 58-54=4, Resulting Numbers: [4] 4,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 36:[84, 2, 2], Operations: ['60/30=2'] Exploring Operation: 84-2=82, Resulting Numbers: [2, 82] Generated Node #0,1,0: 36:[2, 82] Operation: 84-2=82 Exploring Operation: 84/2=42, Resulting Numbers: [2, 42] Generated Node #0,1,1: 36:[2, 42] Operation: 84/2=42 Exploring Operation: 84-2=82, Resulting Numbers: [2, 82] Generated Node #0,1,2: 36:[2, 82] Operation: 84-2=82 Exploring Operation: 84/2=42, Resulting Numbers: [2, 42] Generated Node #0,1,3: 36:[2, 42] Operation: 84/2=42 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 36:[2, 42], Operations: ['60/30=2', '84/2=42'] Exploring Operation: 42-2=40, Resulting Numbers: [40] 40,36 unequal: No Solution Exploring Operation: 42/2=21, Resulting Numbers: [21] 21,36 unequal: No Solution Exploring Operation: 2+42=44, Resulting Numbers: [44] 44,36 unequal: No Solution Exploring Operation: 2*42=84, Resulting Numbers: [84] 84,36 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 36:[2, 42], Operations: ['60/30=2', '84/2=42'] Exploring Operation: 42/2=21, Resulting Numbers: [21] 21,36 unequal: No Solution Exploring Operation: 42-2=40, Resulting Numbers: [40] 40,36 unequal: No Solution Exploring Operation: 2*42=84, Resulting Numbers: [84] 84,36 unequal: No Solution Exploring Operation: 2+42=44, Resulting Numbers: [44] 44,36 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 36:[2, 82], Operations: ['60/30=2', '84-2=82'] Exploring Operation: 2+82=84, Resulting Numbers: [84] 84,36 unequal: No Solution Exploring Operation: 2*82=164, Resulting Numbers: [164] 164,36 unequal: No Solution Exploring Operation: 82/2=41, Resulting Numbers: [41] 41,36 unequal: No Solution Exploring Operation: 82-2=80, Resulting Numbers: [80] 80,36 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 36:[2, 82], Operations: ['60/30=2', '84-2=82'] Exploring Operation: 2*82=164, Resulting Numbers: [164] 164,36 unequal: No Solution Exploring Operation: 82-2=80, Resulting Numbers: [80] 80,36 unequal: No Solution Exploring Operation: 82/2=41, Resulting Numbers: [41] 41,36 unequal: No Solution Exploring Operation: 2+82=84, Resulting Numbers: [84] 84,36 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
mult_heuristic
[ 69, 18, 57, 18 ]
57
[ "18-18=0", "69*0=0", "57+0=57" ]
Current State: 57:[69, 18, 57, 18], Operations: [] Exploring Operation: 18-18=0, Resulting Numbers: [69, 57, 0] Generated Node #2: [69, 57, 0] from Operation: 18-18=0 Current State: 57:[69, 57, 0], Operations: ['18-18=0'] Exploring Operation: 69*0=0, Resulting Numbers: [57, 0] Generated Node #3: [57, 0] from Operation: 69*0=0 Current State: 57:[57, 0], Operations: ['18-18=0', '69*0=0'] Exploring Operation: 57+0=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
4
Current State: 57:[69, 18, 57, 18], Operations: [] Exploring Operation: 69-57=12, Resulting Numbers: [18, 18, 12] Generated Node #0,0: 57:[18, 18, 12] Operation: 69-57=12 Exploring Operation: 69-18=51, Resulting Numbers: [18, 57, 51] Generated Node #0,1: 57:[18, 57, 51] Operation: 69-18=51 Exploring Operation: 69-18=51, Resulting Numbers: [57, 18, 51] Generated Node #0,2: 57:[57, 18, 51] Operation: 69-18=51 Exploring Operation: 18-18=0, Resulting Numbers: [69, 57, 0] Generated Node #0,3: 57:[69, 57, 0] Operation: 18-18=0 Exploring Operation: 18/18=1, Resulting Numbers: [69, 57, 1] Generated Node #0,4: 57:[69, 57, 1] Operation: 18/18=1 Start Sub Search at level 1: Moving to Node #0,1 Current State: 57:[18, 57, 51], Operations: ['69-18=51'] Exploring Operation: 51-18=33, Resulting Numbers: [57, 33] Generated Node #0,1,0: 57:[57, 33] Operation: 51-18=33 Exploring Operation: 57-18=39, Resulting Numbers: [51, 39] Generated Node #0,1,1: 57:[51, 39] Operation: 57-18=39 Exploring Operation: 18+57=75, Resulting Numbers: [51, 75] Generated Node #0,1,2: 57:[51, 75] Operation: 18+57=75 Exploring Operation: 18+51=69, Resulting Numbers: [57, 69] Generated Node #0,1,3: 57:[57, 69] Operation: 18+51=69 Exploring Operation: 57-51=6, Resulting Numbers: [18, 6] Generated Node #0,1,4: 57:[18, 6] Operation: 57-51=6 Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 57:[18, 6], Operations: ['69-18=51', '57-51=6'] Exploring Operation: 18/6=3, Resulting Numbers: [3] 3,57 unequal: No Solution Exploring Operation: 18-6=12, Resulting Numbers: [12] 12,57 unequal: No Solution Exploring Operation: 18+6=24, Resulting Numbers: [24] 24,57 unequal: No Solution Exploring Operation: 18*6=108, Resulting Numbers: [108] 108,57 unequal: No Solution No 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: 57:[57, 69], Operations: ['69-18=51', '18+51=69'] Exploring Operation: 57+69=126, Resulting Numbers: [126] 126,57 unequal: No Solution Exploring Operation: 57*69=3933, Resulting Numbers: [3933] 3933,57 unequal: No Solution Exploring Operation: 69-57=12, Resulting Numbers: [12] 12,57 unequal: No Solution No 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: 57:[57, 33], Operations: ['69-18=51', '51-18=33'] Exploring Operation: 57-33=24, Resulting Numbers: [24] 24,57 unequal: No Solution Exploring Operation: 57+33=90, Resulting Numbers: [90] 90,57 unequal: No Solution Exploring Operation: 57*33=1881, Resulting Numbers: [1881] 1881,57 unequal: No Solution No 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: 57:[51, 39], Operations: ['69-18=51', '57-18=39'] Exploring Operation: 51-39=12, Resulting Numbers: [12] 12,57 unequal: No Solution Exploring Operation: 51*39=1989, Resulting Numbers: [1989] 1989,57 unequal: No Solution Exploring Operation: 51+39=90, Resulting Numbers: [90] 90,57 unequal: No Solution No 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: 57:[51, 75], Operations: ['69-18=51', '18+57=75'] Exploring Operation: 75-51=24, Resulting Numbers: [24] 24,57 unequal: No Solution Exploring Operation: 51+75=126, Resulting Numbers: [126] 126,57 unequal: No Solution Exploring Operation: 51*75=3825, Resulting Numbers: [3825] 3825,57 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: 57:[57, 18, 51], Operations: ['69-18=51'] Exploring Operation: 18+51=69, Resulting Numbers: [57, 69] Generated Node #0,2,0: 57:[57, 69] Operation: 18+51=69 Exploring Operation: 57+18=75, Resulting Numbers: [51, 75] Generated Node #0,2,1: 57:[51, 75] Operation: 57+18=75 Exploring Operation: 51-18=33, Resulting Numbers: [57, 33] Generated Node #0,2,2: 57:[57, 33] Operation: 51-18=33 Exploring Operation: 57-51=6, Resulting Numbers: [18, 6] Generated Node #0,2,3: 57:[18, 6] Operation: 57-51=6 Exploring Operation: 57-18=39, Resulting Numbers: [51, 39] Generated Node #0,2,4: 57:[51, 39] Operation: 57-18=39 Moving to Node #0,2,3 Current State: 57:[18, 6], Operations: ['69-18=51', '57-51=6'] Exploring Operation: 18-6=12, Resulting Numbers: [12] 12,57 unequal: No Solution Exploring Operation: 18/6=3, Resulting Numbers: [3] 3,57 unequal: No Solution Exploring Operation: 18+6=24, Resulting Numbers: [24] 24,57 unequal: No Solution Exploring Operation: 18*6=108, Resulting Numbers: [108] 108,57 unequal: No Solution Moving to Node #0,2,0 Current State: 57:[57, 69], Operations: ['69-18=51', '18+51=69'] Exploring Operation: 69-57=12, Resulting Numbers: [12] 12,57 unequal: No Solution Exploring Operation: 57*69=3933, Resulting Numbers: [3933] 3933,57 unequal: No Solution Exploring Operation: 57+69=126, Resulting Numbers: [126] 126,57 unequal: No Solution Moving to Node #0,2,2 Current State: 57:[57, 33], Operations: ['69-18=51', '51-18=33'] Exploring Operation: 57+33=90, Resulting Numbers: [90] 90,57 unequal: No Solution Exploring Operation: 57*33=1881, Resulting Numbers: [1881] 1881,57 unequal: No Solution Exploring Operation: 57-33=24, Resulting Numbers: [24] 24,57 unequal: No Solution Moving to Node #0,2,1 Current State: 57:[51, 75], Operations: ['69-18=51', '57+18=75'] Exploring Operation: 51+75=126, Resulting Numbers: [126] 126,57 unequal: No Solution Exploring Operation: 75-51=24, Resulting Numbers: [24] 24,57 unequal: No Solution Exploring Operation: 51*75=3825, Resulting Numbers: [3825] 3825,57 unequal: No Solution Moving to Node #0,2,4 Current State: 57:[51, 39], Operations: ['69-18=51', '57-18=39'] Exploring Operation: 51+39=90, Resulting Numbers: [90] 90,57 unequal: No Solution Exploring Operation: 51-39=12, Resulting Numbers: [12] 12,57 unequal: No Solution Exploring Operation: 51*39=1989, Resulting Numbers: [1989] 1989,57 unequal: No Solution No 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: 57:[18, 18, 12], Operations: ['69-57=12'] Exploring Operation: 18/18=1, Resulting Numbers: [12, 1] Generated Node #0,0,0: 57:[12, 1] Operation: 18/18=1 Exploring Operation: 18-18=0, Resulting Numbers: [12, 0] Generated Node #0,0,1: 57:[12, 0] Operation: 18-18=0 Exploring Operation: 18-12=6, Resulting Numbers: [18, 6] Generated Node #0,0,2: 57:[18, 6] Operation: 18-12=6 Exploring Operation: 18+12=30, Resulting Numbers: [18, 30] Generated Node #0,0,3: 57:[18, 30] Operation: 18+12=30 Exploring Operation: 18-12=6, Resulting Numbers: [18, 6] Generated Node #0,0,4: 57:[18, 6] Operation: 18-12=6 Moving to Node #0,0,2 Current State: 57:[18, 6], Operations: ['69-57=12', '18-12=6'] Exploring Operation: 18/6=3, Resulting Numbers: [3] 3,57 unequal: No Solution Exploring Operation: 18+6=24, Resulting Numbers: [24] 24,57 unequal: No Solution Exploring Operation: 18-6=12, Resulting Numbers: [12] 12,57 unequal: No Solution Exploring Operation: 18*6=108, Resulting Numbers: [108] 108,57 unequal: No Solution Moving to Node #0,0,4 Current State: 57:[18, 6], Operations: ['69-57=12', '18-12=6'] Exploring Operation: 18-6=12, Resulting Numbers: [12] 12,57 unequal: No Solution Exploring Operation: 18+6=24, Resulting Numbers: [24] 24,57 unequal: No Solution Exploring Operation: 18*6=108, Resulting Numbers: [108] 108,57 unequal: No Solution Exploring Operation: 18/6=3, Resulting Numbers: [3] 3,57 unequal: No Solution Moving to Node #0,0,0 Current State: 57:[12, 1], Operations: ['69-57=12', '18/18=1'] Exploring Operation: 12-1=11, Resulting Numbers: [11] 11,57 unequal: No Solution Exploring Operation: 12/1=12, Resulting Numbers: [12] 12,57 unequal: No Solution Exploring Operation: 12+1=13, Resulting Numbers: [13] 13,57 unequal: No Solution Exploring Operation: 12*1=12, Resulting Numbers: [12] 12,57 unequal: No Solution Moving to Node #0,0,1 Current State: 57:[12, 0], Operations: ['69-57=12', '18-18=0'] Exploring Operation: 12*0=0, Resulting Numbers: [0] 0,57 unequal: No Solution Exploring Operation: 12+0=12, Resulting Numbers: [12] 12,57 unequal: No Solution Exploring Operation: 12-0=12, Resulting Numbers: [12] 12,57 unequal: No Solution Moving to Node #0,0,3 Current State: 57:[18, 30], Operations: ['69-57=12', '18+12=30'] Exploring Operation: 18*30=540, Resulting Numbers: [540] 540,57 unequal: No Solution Exploring Operation: 30-18=12, Resulting Numbers: [12] 12,57 unequal: No Solution Exploring Operation: 18+30=48, Resulting Numbers: [48] 48,57 unequal: No Solution No 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: 57:[69, 57, 1], Operations: ['18/18=1'] Exploring Operation: 69-57=12, Resulting Numbers: [1, 12] Generated Node #0,4,0: 57:[1, 12] Operation: 69-57=12 Exploring Operation: 69*1=69, Resulting Numbers: [57, 69] Generated Node #0,4,1: 57:[57, 69] Operation: 69*1=69 Exploring Operation: 69-1=68, Resulting Numbers: [57, 68] Generated Node #0,4,2: 57:[57, 68] Operation: 69-1=68 Exploring Operation: 57*1=57, Resulting Numbers: [69, 57] Generated Node #0,4,3: 57:[69, 57] Operation: 57*1=57 Exploring Operation: 69/1=69, Resulting Numbers: [57, 69] Generated Node #0,4,4: 57:[57, 69] Operation: 69/1=69 Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 57:[1, 12], Operations: ['18/18=1', '69-57=12'] Exploring Operation: 12/1=12, Resulting Numbers: [12] 12,57 unequal: No Solution Exploring Operation: 1+12=13, Resulting Numbers: [13] 13,57 unequal: No Solution Exploring Operation: 12-1=11, Resulting Numbers: [11] 11,57 unequal: No Solution Exploring Operation: 1*12=12, Resulting Numbers: [12] 12,57 unequal: No Solution No 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: 57:[57, 68], Operations: ['18/18=1', '69-1=68'] Exploring Operation: 68-57=11, Resulting Numbers: [11] 11,57 unequal: No Solution Exploring Operation: 57+68=125, Resulting Numbers: [125] 125,57 unequal: No Solution Exploring Operation: 57*68=3876, Resulting Numbers: [3876] 3876,57 unequal: No Solution No 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: 57:[57, 69], Operations: ['18/18=1', '69*1=69'] Exploring Operation: 69-57=12, Resulting Numbers: [12] 12,57 unequal: No Solution Exploring Operation: 57+69=126, Resulting Numbers: [126] 126,57 unequal: No Solution Exploring Operation: 57*69=3933, Resulting Numbers: [3933] 3933,57 unequal: No Solution No 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: 57:[69, 57], Operations: ['18/18=1', '57*1=57'] Exploring Operation: 69-57=12, Resulting Numbers: [12] 12,57 unequal: No Solution Exploring Operation: 69+57=126, Resulting Numbers: [126] 126,57 unequal: No Solution Exploring Operation: 69*57=3933, Resulting Numbers: [3933] 3933,57 unequal: No Solution No 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: 57:[57, 69], Operations: ['18/18=1', '69/1=69'] Exploring Operation: 69-57=12, Resulting Numbers: [12] 12,57 unequal: No Solution Exploring Operation: 57*69=3933, Resulting Numbers: [3933] 3933,57 unequal: No Solution Exploring Operation: 57+69=126, Resulting Numbers: [126] 126,57 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: 57:[69, 57, 0], Operations: ['18-18=0'] Exploring Operation: 69-0=69, Resulting Numbers: [57, 69] Generated Node #0,3,0: 57:[57, 69] Operation: 69-0=69 Exploring Operation: 69*0=0, Resulting Numbers: [57, 0] Generated Node #0,3,1: 57:[57, 0] Operation: 69*0=0 Exploring Operation: 57+0=57, Resulting Numbers: [69, 57] Generated Node #0,3,2: 57:[69, 57] Operation: 57+0=57 Exploring Operation: 69+0=69, Resulting Numbers: [57, 69] Generated Node #0,3,3: 57:[57, 69] Operation: 69+0=69 Exploring Operation: 69-57=12, Resulting Numbers: [0, 12] Generated Node #0,3,4: 57:[0, 12] Operation: 69-57=12 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 57:[57, 0], Operations: ['18-18=0', '69*0=0'] Exploring Operation: 57+0=57, Resulting Numbers: [57] 57,57 equal: Goal Reached Moving to Node #0 Current State: 57:[69, 18, 57, 18], Operations: [] Exploring Operation: 18-18=0, Resulting Numbers: [69, 57, 0] Generated Node #0,3: 57:[69, 57, 0] Operation: 18-18=0 Moving to Node #0,3 Current State: 57:[69, 57, 0], Operations: ['18-18=0'] Exploring Operation: 69*0=0, Resulting Numbers: [57, 0] Generated Node #0,3,1: 57:[57, 0] Operation: 69*0=0 Moving to Node #0,3,1 Current State: 57:[57, 0], Operations: ['18-18=0', '69*0=0'] Exploring Operation: 57+0=57, Resulting Numbers: [57] 57,57 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.912326
hs_5
sum_heuristic
[ 84, 57, 71, 31 ]
75
[ "84-57=27", "71+31=102", "102-27=75" ]
Current State: 75:[84, 57, 71, 31], Operations: [] Exploring Operation: 84-57=27, Resulting Numbers: [71, 31, 27] Generated Node #2: [71, 31, 27] from Operation: 84-57=27 Current State: 75:[71, 31, 27], Operations: ['84-57=27'] Exploring Operation: 71+31=102, Resulting Numbers: [27, 102] Generated Node #3: [27, 102] from Operation: 71+31=102 Current State: 75:[27, 102], Operations: ['84-57=27', '71+31=102'] Exploring Operation: 102-27=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
4
Current State: 75:[84, 57, 71, 31], Operations: [] Exploring Operation: 84-57=27, Resulting Numbers: [71, 31, 27] Generated Node #0,0: 75:[71, 31, 27] Operation: 84-57=27 Moving to Node #0,0 Current State: 75:[71, 31, 27], Operations: ['84-57=27'] Exploring Operation: 31-27=4, Resulting Numbers: [71, 4] Generated Node #0,0,0: 75:[71, 4] Operation: 31-27=4 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 75:[71, 4], Operations: ['84-57=27', '31-27=4'] Exploring Operation: 71+4=75, Resulting Numbers: [75] 75,75 equal: Goal Reached Moving to Node #0 Current State: 75:[84, 57, 71, 31], Operations: [] Exploring Operation: 84-57=27, Resulting Numbers: [71, 31, 27] Generated Node #0,0: 75:[71, 31, 27] Operation: 84-57=27 Moving to Node #0,0 Current State: 75:[71, 31, 27], Operations: ['84-57=27'] Exploring Operation: 31-27=4, Resulting Numbers: [71, 4] Generated Node #0,0,0: 75:[71, 4] Operation: 31-27=4 Moving to Node #0,0,0 Current State: 75:[71, 4], Operations: ['84-57=27', '31-27=4'] Exploring Operation: 71+4=75, Resulting Numbers: [75] 75,75 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 45, 57, 12, 68 ]
92
[ "57-45=12", "12+68=80", "12+80=92" ]
Current State: 92:[45, 57, 12, 68], Operations: [] Exploring Operation: 57-45=12, Resulting Numbers: [12, 68, 12] Generated Node #2: [12, 68, 12] from Operation: 57-45=12 Current State: 92:[12, 68, 12], Operations: ['57-45=12'] Exploring Operation: 12+68=80, Resulting Numbers: [80] 80,92 equal: Goal Reached Exploring Operation: 12+80=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
4
Current State: 92:[45, 57, 12, 68], Operations: [] Exploring Operation: 57-12=45, Resulting Numbers: [45, 68, 45] Generated Node #0,0: 92:[45, 68, 45] Operation: 57-12=45 Exploring Operation: 68-12=56, Resulting Numbers: [45, 57, 56] Generated Node #0,1: 92:[45, 57, 56] Operation: 68-12=56 Exploring Operation: 68-57=11, Resulting Numbers: [45, 12, 11] Generated Node #0,2: 92:[45, 12, 11] Operation: 68-57=11 Exploring Operation: 12+68=80, Resulting Numbers: [45, 57, 80] Generated Node #0,3: 92:[45, 57, 80] Operation: 12+68=80 Exploring Operation: 68-45=23, Resulting Numbers: [57, 12, 23] Generated Node #0,4: 92:[57, 12, 23] Operation: 68-45=23 Moving to Node #0,2 Current State: 92:[45, 12, 11], Operations: ['68-57=11'] Exploring Operation: 45-12=33, Resulting Numbers: [11, 33] Generated Node #0,2,0: 92:[11, 33] Operation: 45-12=33 Exploring Operation: 45+11=56, Resulting Numbers: [12, 56] Generated Node #0,2,1: 92:[12, 56] Operation: 45+11=56 Exploring Operation: 45+12=57, Resulting Numbers: [11, 57] Generated Node #0,2,2: 92:[11, 57] Operation: 45+12=57 Exploring Operation: 12-11=1, Resulting Numbers: [45, 1] Generated Node #0,2,3: 92:[45, 1] Operation: 12-11=1 Exploring Operation: 12+11=23, Resulting Numbers: [45, 23] Generated Node #0,2,4: 92:[45, 23] Operation: 12+11=23 Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 92:[45, 23], Operations: ['68-57=11', '12+11=23'] Exploring Operation: 45-23=22, Resulting Numbers: [22] 22,92 unequal: No Solution Exploring Operation: 45*23=1035, Resulting Numbers: [1035] 1035,92 unequal: No Solution Exploring Operation: 45+23=68, Resulting Numbers: [68] 68,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 92:[45, 1], Operations: ['68-57=11', '12-11=1'] Exploring Operation: 45-1=44, Resulting Numbers: [44] 44,92 unequal: No Solution Exploring Operation: 45*1=45, Resulting Numbers: [45] 45,92 unequal: No Solution Exploring Operation: 45/1=45, Resulting Numbers: [45] 45,92 unequal: No Solution Exploring Operation: 45+1=46, Resulting Numbers: [46] 46,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 92:[11, 33], Operations: ['68-57=11', '45-12=33'] Exploring Operation: 33/11=3, Resulting Numbers: [3] 3,92 unequal: No Solution Exploring Operation: 33-11=22, Resulting Numbers: [22] 22,92 unequal: No Solution Exploring Operation: 11*33=363, Resulting Numbers: [363] 363,92 unequal: No Solution Exploring Operation: 11+33=44, Resulting Numbers: [44] 44,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 92:[12, 56], Operations: ['68-57=11', '45+11=56'] Exploring Operation: 12+56=68, Resulting Numbers: [68] 68,92 unequal: No Solution Exploring Operation: 56-12=44, Resulting Numbers: [44] 44,92 unequal: No Solution Exploring Operation: 12*56=672, Resulting Numbers: [672] 672,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 92:[11, 57], Operations: ['68-57=11', '45+12=57'] Exploring Operation: 57-11=46, Resulting Numbers: [46] 46,92 unequal: No Solution Exploring Operation: 11+57=68, Resulting Numbers: [68] 68,92 unequal: No Solution Exploring Operation: 11*57=627, Resulting Numbers: [627] 627,92 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: 92:[57, 12, 23], Operations: ['68-45=23'] Exploring Operation: 23-12=11, Resulting Numbers: [57, 11] Generated Node #0,4,0: 92:[57, 11] Operation: 23-12=11 Exploring Operation: 57+23=80, Resulting Numbers: [12, 80] Generated Node #0,4,1: 92:[12, 80] Operation: 57+23=80 Exploring Operation: 57-12=45, Resulting Numbers: [23, 45] Generated Node #0,4,2: 92:[23, 45] Operation: 57-12=45 Exploring Operation: 57-23=34, Resulting Numbers: [12, 34] Generated Node #0,4,3: 92:[12, 34] Operation: 57-23=34 Exploring Operation: 12+23=35, Resulting Numbers: [57, 35] Generated Node #0,4,4: 92:[57, 35] Operation: 12+23=35 Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 92:[23, 45], Operations: ['68-45=23', '57-12=45'] Exploring Operation: 23+45=68, Resulting Numbers: [68] 68,92 unequal: No Solution Exploring Operation: 23*45=1035, Resulting Numbers: [1035] 1035,92 unequal: No Solution Exploring Operation: 45-23=22, Resulting Numbers: [22] 22,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 92:[57, 11], Operations: ['68-45=23', '23-12=11'] Exploring Operation: 57+11=68, Resulting Numbers: [68] 68,92 unequal: No Solution Exploring Operation: 57-11=46, Resulting Numbers: [46] 46,92 unequal: No Solution Exploring Operation: 57*11=627, Resulting Numbers: [627] 627,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 92:[12, 34], Operations: ['68-45=23', '57-23=34'] Exploring Operation: 34-12=22, Resulting Numbers: [22] 22,92 unequal: No Solution Exploring Operation: 12+34=46, Resulting Numbers: [46] 46,92 unequal: No Solution Exploring Operation: 12*34=408, Resulting Numbers: [408] 408,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 92:[12, 80], Operations: ['68-45=23', '57+23=80'] Exploring Operation: 80-12=68, Resulting Numbers: [68] 68,92 unequal: No Solution Exploring Operation: 12+80=92, Resulting Numbers: [92] 92,92 equal: Goal Reached Moving to Node #0 Current State: 92:[45, 57, 12, 68], Operations: [] Exploring Operation: 68-45=23, Resulting Numbers: [57, 12, 23] Generated Node #0,4: 92:[57, 12, 23] Operation: 68-45=23 Moving to Node #0,4 Current State: 92:[57, 12, 23], Operations: ['68-45=23'] Exploring Operation: 57+23=80, Resulting Numbers: [12, 80] Generated Node #0,4,1: 92:[12, 80] Operation: 57+23=80 Moving to Node #0,4,1 Current State: 92:[12, 80], Operations: ['68-45=23', '57+23=80'] Exploring Operation: 12+80=92, Resulting Numbers: [92] 92,92 equal: Goal Reached Exit Sub Search at level 1
0.959201
hs_5
sum_heuristic
[ 21, 71, 92, 1 ]
42
[ "71-21=50", "92*1=92", "92-50=42" ]
Current State: 42:[21, 71, 92, 1], Operations: [] Exploring Operation: 71-21=50, Resulting Numbers: [92, 1, 50] Generated Node #2: [92, 1, 50] from Operation: 71-21=50 Current State: 42:[92, 1, 50], Operations: ['71-21=50'] Exploring Operation: 92*1=92, Resulting Numbers: [50, 92] Generated Node #3: [50, 92] from Operation: 92*1=92 Current State: 42:[50, 92], Operations: ['71-21=50', '92*1=92'] Exploring Operation: 92-50=42, Resulting Numbers: [42] 42,42 equal: Goal Reached
4
Current State: 42:[21, 71, 92, 1], Operations: [] Exploring Operation: 92-21=71, Resulting Numbers: [71, 1, 71] Generated Node #0,0: 42:[71, 1, 71] Operation: 92-21=71 Exploring Operation: 71-1=70, Resulting Numbers: [21, 92, 70] Generated Node #0,1: 42:[21, 92, 70] Operation: 71-1=70 Exploring Operation: 92-71=21, Resulting Numbers: [21, 1, 21] Generated Node #0,2: 42:[21, 1, 21] Operation: 92-71=21 Exploring Operation: 71-21=50, Resulting Numbers: [92, 1, 50] Generated Node #0,3: 42:[92, 1, 50] Operation: 71-21=50 Start Sub Search at level 1: Moving to Node #0,2 Current State: 42:[21, 1, 21], Operations: ['92-71=21'] Exploring Operation: 21*1=21, Resulting Numbers: [21, 21] Generated Node #0,2,0: 42:[21, 21] Operation: 21*1=21 Exploring Operation: 1*21=21, Resulting Numbers: [21, 21] Generated Node #0,2,1: 42:[21, 21] Operation: 1*21=21 Exploring Operation: 21/1=21, Resulting Numbers: [21, 21] Generated Node #0,2,2: 42:[21, 21] Operation: 21/1=21 Exploring Operation: 21/1=21, Resulting Numbers: [21, 21] Generated Node #0,2,3: 42:[21, 21] Operation: 21/1=21 Moving to Node #0,2,0 Current State: 42:[21, 21], Operations: ['92-71=21', '21*1=21'] Exploring Operation: 21-21=0, Resulting Numbers: [0] 0,42 unequal: No Solution Exploring Operation: 21/21=1, Resulting Numbers: [1] 1,42 unequal: No Solution Exploring Operation: 21+21=42, Resulting Numbers: [42] 42,42 equal: Goal Reached Moving to Node #0 Current State: 42:[21, 71, 92, 1], Operations: [] Exploring Operation: 92-71=21, Resulting Numbers: [21, 1, 21] Generated Node #0,2: 42:[21, 1, 21] Operation: 92-71=21 Moving to Node #0,2 Current State: 42:[21, 1, 21], Operations: ['92-71=21'] Exploring Operation: 21*1=21, Resulting Numbers: [21, 21] Generated Node #0,2,0: 42:[21, 21] Operation: 21*1=21 Moving to Node #0,2,0 Current State: 42:[21, 21], Operations: ['92-71=21', '21*1=21'] Exploring Operation: 21+21=42, Resulting Numbers: [42] 42,42 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_4
sum_heuristic
[ 10, 52, 15, 10 ]
38
[ "10/10=1", "52-15=37", "1+37=38" ]
Current State: 38:[10, 52, 15, 10], Operations: [] Exploring Operation: 10/10=1, Resulting Numbers: [52, 15, 1] Generated Node #2: [52, 15, 1] from Operation: 10/10=1 Current State: 38:[52, 15, 1], Operations: ['10/10=1'] Exploring Operation: 52-15=37, Resulting Numbers: [1, 37] Generated Node #3: [1, 37] from Operation: 52-15=37 Current State: 38:[1, 37], Operations: ['10/10=1', '52-15=37'] Exploring Operation: 1+37=38, Resulting Numbers: [38] 38,38 equal: Goal Reached
4
Current State: 38:[10, 52, 15, 10], Operations: [] Exploring Operation: 52-10=42, Resulting Numbers: [15, 10, 42] Generated Node #0,0: 38:[15, 10, 42] Operation: 52-10=42 Exploring Operation: 52-10=42, Resulting Numbers: [10, 15, 42] Generated Node #0,1: 38:[10, 15, 42] Operation: 52-10=42 Exploring Operation: 52-15=37, Resulting Numbers: [10, 10, 37] Generated Node #0,2: 38:[10, 10, 37] Operation: 52-15=37 Start Sub Search at level 1: Moving to Node #0,0 Current State: 38:[15, 10, 42], Operations: ['52-10=42'] Exploring Operation: 15+10=25, Resulting Numbers: [42, 25] Generated Node #0,0,0: 38:[42, 25] Operation: 15+10=25 Exploring Operation: 15-10=5, Resulting Numbers: [42, 5] Generated Node #0,0,1: 38:[42, 5] Operation: 15-10=5 Exploring Operation: 42-10=32, Resulting Numbers: [15, 32] Generated Node #0,0,2: 38:[15, 32] Operation: 42-10=32 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 38:[42, 5], Operations: ['52-10=42', '15-10=5'] Exploring Operation: 42-5=37, Resulting Numbers: [37] 37,38 unequal: No Solution Exploring Operation: 42*5=210, Resulting Numbers: [210] 210,38 unequal: No Solution Exploring Operation: 42+5=47, Resulting Numbers: [47] 47,38 unequal: No Solution No 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: 38:[42, 25], Operations: ['52-10=42', '15+10=25'] Exploring Operation: 42-25=17, Resulting Numbers: [17] 17,38 unequal: No Solution Exploring Operation: 42+25=67, Resulting Numbers: [67] 67,38 unequal: No Solution Exploring Operation: 42*25=1050, Resulting Numbers: [1050] 1050,38 unequal: No Solution No 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: 38:[15, 32], Operations: ['52-10=42', '42-10=32'] Exploring Operation: 15*32=480, Resulting Numbers: [480] 480,38 unequal: No Solution Exploring Operation: 15+32=47, Resulting Numbers: [47] 47,38 unequal: No Solution Exploring Operation: 32-15=17, Resulting Numbers: [17] 17,38 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: 38:[10, 15, 42], Operations: ['52-10=42'] Exploring Operation: 10+15=25, Resulting Numbers: [42, 25] Generated Node #0,1,0: 38:[42, 25] Operation: 10+15=25 Exploring Operation: 15-10=5, Resulting Numbers: [42, 5] Generated Node #0,1,1: 38:[42, 5] Operation: 15-10=5 Exploring Operation: 42-10=32, Resulting Numbers: [15, 32] Generated Node #0,1,2: 38:[15, 32] Operation: 42-10=32 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 38:[42, 5], Operations: ['52-10=42', '15-10=5'] Exploring Operation: 42+5=47, Resulting Numbers: [47] 47,38 unequal: No Solution Exploring Operation: 42*5=210, Resulting Numbers: [210] 210,38 unequal: No Solution Exploring Operation: 42-5=37, Resulting Numbers: [37] 37,38 unequal: No Solution No 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: 38:[42, 25], Operations: ['52-10=42', '10+15=25'] Exploring Operation: 42-25=17, Resulting Numbers: [17] 17,38 unequal: No Solution Exploring Operation: 42*25=1050, Resulting Numbers: [1050] 1050,38 unequal: No Solution Exploring Operation: 42+25=67, Resulting Numbers: [67] 67,38 unequal: No Solution No 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: 38:[15, 32], Operations: ['52-10=42', '42-10=32'] Exploring Operation: 15+32=47, Resulting Numbers: [47] 47,38 unequal: No Solution Exploring Operation: 32-15=17, Resulting Numbers: [17] 17,38 unequal: No Solution Exploring Operation: 15*32=480, Resulting Numbers: [480] 480,38 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: 38:[10, 10, 37], Operations: ['52-15=37'] Exploring Operation: 10/10=1, Resulting Numbers: [37, 1] Generated Node #0,2,0: 38:[37, 1] Operation: 10/10=1 Exploring Operation: 10-10=0, Resulting Numbers: [37, 0] Generated Node #0,2,1: 38:[37, 0] Operation: 10-10=0 Exploring Operation: 10+10=20, Resulting Numbers: [37, 20] Generated Node #0,2,2: 38:[37, 20] Operation: 10+10=20 Moving to Node #0,2,0 Current State: 38:[37, 1], Operations: ['52-15=37', '10/10=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:[10, 52, 15, 10], Operations: [] Exploring Operation: 52-15=37, Resulting Numbers: [10, 10, 37] Generated Node #0,2: 38:[10, 10, 37] Operation: 52-15=37 Moving to Node #0,2 Current State: 38:[10, 10, 37], Operations: ['52-15=37'] Exploring Operation: 10/10=1, Resulting Numbers: [37, 1] Generated Node #0,2,0: 38:[37, 1] Operation: 10/10=1 Moving to Node #0,2,0 Current State: 38:[37, 1], Operations: ['52-15=37', '10/10=1'] Exploring Operation: 37+1=38, Resulting Numbers: [38] 38,38 equal: Goal Reached Exit Sub Search at level 1
0.96875
hs_3
mult_heuristic
[ 50, 65, 63, 86 ]
81
[ "63-50=13", "65/13=5", "86-5=81" ]
Current State: 81:[50, 65, 63, 86], Operations: [] Exploring Operation: 63-50=13, Resulting Numbers: [65, 86, 13] Generated Node #2: [65, 86, 13] from Operation: 63-50=13 Current State: 81:[65, 86, 13], Operations: ['63-50=13'] Exploring Operation: 65/13=5, Resulting Numbers: [86, 5] Generated Node #3: [86, 5] from Operation: 65/13=5 Current State: 81:[86, 5], Operations: ['63-50=13', '65/13=5'] Exploring Operation: 86-5=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[50, 65, 63, 86], Operations: [] Exploring Operation: 63-50=13, Resulting Numbers: [65, 86, 13] Generated Node #0,0: 81:[65, 86, 13] Operation: 63-50=13 Moving to Node #0,0 Current State: 81:[65, 86, 13], Operations: ['63-50=13'] Exploring Operation: 65/13=5, Resulting Numbers: [86, 5] Generated Node #0,0,0: 81:[86, 5] Operation: 65/13=5 Moving to Node #0,0,0 Current State: 81:[86, 5], Operations: ['63-50=13', '65/13=5'] Exploring Operation: 86-5=81, Resulting Numbers: [81] 81,81 equal: Goal Reached Moving to Node #0 Current State: 81:[50, 65, 63, 86], Operations: [] Exploring Operation: 63-50=13, Resulting Numbers: [65, 86, 13] Generated Node #0,0: 81:[65, 86, 13] Operation: 63-50=13 Moving to Node #0,0 Current State: 81:[65, 86, 13], Operations: ['63-50=13'] Exploring Operation: 65/13=5, Resulting Numbers: [86, 5] Generated Node #0,0,0: 81:[86, 5] Operation: 65/13=5 Moving to Node #0,0,0 Current State: 81:[86, 5], Operations: ['63-50=13', '65/13=5'] Exploring Operation: 86-5=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
0.993924
hs_1
sum_heuristic
[ 14, 11, 54, 16 ]
95
[ "14+11=25", "54+16=70", "25+70=95" ]
Current State: 95:[14, 11, 54, 16], Operations: [] Exploring Operation: 14+11=25, Resulting Numbers: [54, 16, 25] Generated Node #2: [54, 16, 25] from Operation: 14+11=25 Current State: 95:[54, 16, 25], Operations: ['14+11=25'] Exploring Operation: 54+16=70, Resulting Numbers: [25, 70] Generated Node #3: [25, 70] from Operation: 54+16=70 Current State: 95:[25, 70], Operations: ['14+11=25', '54+16=70'] Exploring Operation: 25+70=95, Resulting Numbers: [95] 95,95 equal: Goal Reached
4
Current State: 95:[14, 11, 54, 16], Operations: [] Exploring Operation: 54-14=40, Resulting Numbers: [11, 16, 40] Generated Node #0,0: 95:[11, 16, 40] Operation: 54-14=40 Exploring Operation: 54-11=43, Resulting Numbers: [14, 16, 43] Generated Node #0,1: 95:[14, 16, 43] Operation: 54-11=43 Exploring Operation: 54-16=38, Resulting Numbers: [14, 11, 38] Generated Node #0,2: 95:[14, 11, 38] Operation: 54-16=38 Moving to Node #0,0 Current State: 95:[11, 16, 40], Operations: ['54-14=40'] Exploring Operation: 40-11=29, Resulting Numbers: [16, 29] Generated Node #0,0,0: 95:[16, 29] Operation: 40-11=29 Exploring Operation: 16-11=5, Resulting Numbers: [40, 5] Generated Node #0,0,1: 95:[40, 5] Operation: 16-11=5 Exploring Operation: 40-16=24, Resulting Numbers: [11, 24] Generated Node #0,0,2: 95:[11, 24] Operation: 40-16=24 Moving to Node #0,2 Current State: 95:[14, 11, 38], Operations: ['54-16=38'] Exploring Operation: 38-14=24, Resulting Numbers: [11, 24] Generated Node #0,2,0: 95:[11, 24] Operation: 38-14=24 Exploring Operation: 14-11=3, Resulting Numbers: [38, 3] Generated Node #0,2,1: 95:[38, 3] Operation: 14-11=3 Exploring Operation: 38-11=27, Resulting Numbers: [14, 27] Generated Node #0,2,2: 95:[14, 27] Operation: 38-11=27 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 95:[11, 24], Operations: ['54-16=38', '38-14=24'] Exploring Operation: 11*24=264, Resulting Numbers: [264] 264,95 unequal: No Solution Exploring Operation: 24-11=13, Resulting Numbers: [13] 13,95 unequal: No Solution Exploring Operation: 11+24=35, Resulting Numbers: [35] 35,95 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 95:[14, 27], Operations: ['54-16=38', '38-11=27'] Exploring Operation: 14*27=378, Resulting Numbers: [378] 378,95 unequal: No Solution Exploring Operation: 14+27=41, Resulting Numbers: [41] 41,95 unequal: No Solution Exploring Operation: 27-14=13, Resulting Numbers: [13] 13,95 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 95:[38, 3], Operations: ['54-16=38', '14-11=3'] Exploring Operation: 38-3=35, Resulting Numbers: [35] 35,95 unequal: No Solution Exploring Operation: 38+3=41, Resulting Numbers: [41] 41,95 unequal: No Solution Exploring Operation: 38*3=114, Resulting Numbers: [114] 114,95 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 95:[14, 16, 43], Operations: ['54-11=43'] Exploring Operation: 43-14=29, Resulting Numbers: [16, 29] Generated Node #0,1,0: 95:[16, 29] Operation: 43-14=29 Exploring Operation: 43-16=27, Resulting Numbers: [14, 27] Generated Node #0,1,1: 95:[14, 27] Operation: 43-16=27 Exploring Operation: 16-14=2, Resulting Numbers: [43, 2] Generated Node #0,1,2: 95:[43, 2] Operation: 16-14=2 Moving to Node #0,0,2 Current State: 95:[11, 24], Operations: ['54-14=40', '40-16=24'] Exploring Operation: 24-11=13, Resulting Numbers: [13] 13,95 unequal: No Solution Exploring Operation: 11+24=35, Resulting Numbers: [35] 35,95 unequal: No Solution Exploring Operation: 11*24=264, Resulting Numbers: [264] 264,95 unequal: No Solution Moving to Node #0,0,0 Current State: 95:[16, 29], Operations: ['54-14=40', '40-11=29'] Exploring Operation: 16+29=45, Resulting Numbers: [45] 45,95 unequal: No Solution Exploring Operation: 29-16=13, Resulting Numbers: [13] 13,95 unequal: No Solution Exploring Operation: 16*29=464, Resulting Numbers: [464] 464,95 unequal: No Solution Moving to Node #0,1,1 Current State: 95:[14, 27], Operations: ['54-11=43', '43-16=27'] Exploring Operation: 14+27=41, Resulting Numbers: [41] 41,95 unequal: No Solution Exploring Operation: 14*27=378, Resulting Numbers: [378] 378,95 unequal: No Solution Exploring Operation: 27-14=13, Resulting Numbers: [13] 13,95 unequal: No Solution Moving to Node #0,1,0 Current State: 95:[16, 29], Operations: ['54-11=43', '43-14=29'] Exploring Operation: 16+29=45, Resulting Numbers: [45] 45,95 unequal: No Solution Exploring Operation: 29-16=13, Resulting Numbers: [13] 13,95 unequal: No Solution Exploring Operation: 16*29=464, Resulting Numbers: [464] 464,95 unequal: No Solution Moving to Node #0,0,1 Current State: 95:[40, 5], Operations: ['54-14=40', '16-11=5'] Exploring Operation: 40/5=8, Resulting Numbers: [8] 8,95 unequal: No Solution Exploring Operation: 40-5=35, Resulting Numbers: [35] 35,95 unequal: No Solution Exploring Operation: 40+5=45, Resulting Numbers: [45] 45,95 unequal: No Solution Moving to Node #0,1,2 Current State: 95:[43, 2], Operations: ['54-11=43', '16-14=2'] Exploring Operation: 43-2=41, Resulting Numbers: [41] 41,95 unequal: No Solution Exploring Operation: 43+2=45, Resulting Numbers: [45] 45,95 unequal: No Solution Exploring Operation: 43*2=86, Resulting Numbers: [86] 86,95 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 67, 28, 49, 42 ]
58
[ "67*42=2814", "28+2814=2842", "2842/49=58" ]
Current State: 58:[67, 28, 49, 42], Operations: [] Exploring Operation: 67*42=2814, Resulting Numbers: [28, 49, 2814] Generated Node #2: [28, 49, 2814] from Operation: 67*42=2814 Current State: 58:[28, 49, 2814], Operations: ['67*42=2814'] Exploring Operation: 28+2814=2842, Resulting Numbers: [49, 2842] Generated Node #3: [49, 2842] from Operation: 28+2814=2842 Current State: 58:[49, 2842], Operations: ['67*42=2814', '28+2814=2842'] Exploring Operation: 2842/49=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[67, 28, 49, 42], Operations: [] Exploring Operation: 67-42=25, Resulting Numbers: [28, 49, 25] Generated Node #0,0: 58:[28, 49, 25] Operation: 67-42=25 Exploring Operation: 49-42=7, Resulting Numbers: [67, 28, 7] Generated Node #0,1: 58:[67, 28, 7] Operation: 49-42=7 Exploring Operation: 67-49=18, Resulting Numbers: [28, 42, 18] Generated Node #0,2: 58:[28, 42, 18] Operation: 67-49=18 Moving to Node #0,0 Current State: 58:[28, 49, 25], Operations: ['67-42=25'] Exploring Operation: 49-25=24, Resulting Numbers: [28, 24] Generated Node #0,0,0: 58:[28, 24] Operation: 49-25=24 Exploring Operation: 49-28=21, Resulting Numbers: [25, 21] Generated Node #0,0,1: 58:[25, 21] Operation: 49-28=21 Exploring Operation: 28-25=3, Resulting Numbers: [49, 3] Generated Node #0,0,2: 58:[49, 3] Operation: 28-25=3 Moving to Node #0,1 Current State: 58:[67, 28, 7], Operations: ['49-42=7'] Exploring Operation: 28/7=4, Resulting Numbers: [67, 4] Generated Node #0,1,0: 58:[67, 4] Operation: 28/7=4 Exploring Operation: 67-7=60, Resulting Numbers: [28, 60] Generated Node #0,1,1: 58:[28, 60] Operation: 67-7=60 Exploring Operation: 67-28=39, Resulting Numbers: [7, 39] Generated Node #0,1,2: 58:[7, 39] Operation: 67-28=39 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 58:[28, 60], Operations: ['49-42=7', '67-7=60'] Exploring Operation: 28*60=1680, Resulting Numbers: [1680] 1680,58 unequal: No Solution Exploring Operation: 60-28=32, Resulting Numbers: [32] 32,58 unequal: No Solution Exploring Operation: 28+60=88, Resulting Numbers: [88] 88,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 58:[67, 4], Operations: ['49-42=7', '28/7=4'] Exploring Operation: 67*4=268, Resulting Numbers: [268] 268,58 unequal: No Solution Exploring Operation: 67-4=63, Resulting Numbers: [63] 63,58 unequal: No Solution Exploring Operation: 67+4=71, Resulting Numbers: [71] 71,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 58:[7, 39], Operations: ['49-42=7', '67-28=39'] Exploring Operation: 7*39=273, Resulting Numbers: [273] 273,58 unequal: No Solution Exploring Operation: 7+39=46, Resulting Numbers: [46] 46,58 unequal: No Solution Exploring Operation: 39-7=32, Resulting Numbers: [32] 32,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 58:[28, 42, 18], Operations: ['67-49=18'] Exploring Operation: 42+18=60, Resulting Numbers: [28, 60] Generated Node #0,2,0: 58:[28, 60] Operation: 42+18=60 Exploring Operation: 42-18=24, Resulting Numbers: [28, 24] Generated Node #0,2,1: 58:[28, 24] Operation: 42-18=24 Exploring Operation: 28-18=10, Resulting Numbers: [42, 10] Generated Node #0,2,2: 58:[42, 10] Operation: 28-18=10 Moving to Node #0,2,0 Current State: 58:[28, 60], Operations: ['67-49=18', '42+18=60'] Exploring Operation: 28+60=88, Resulting Numbers: [88] 88,58 unequal: No Solution Exploring Operation: 60-28=32, Resulting Numbers: [32] 32,58 unequal: No Solution Exploring Operation: 28*60=1680, Resulting Numbers: [1680] 1680,58 unequal: No Solution Moving to Node #0,0,0 Current State: 58:[28, 24], Operations: ['67-42=25', '49-25=24'] Exploring Operation: 28+24=52, Resulting Numbers: [52] 52,58 unequal: No Solution Exploring Operation: 28*24=672, Resulting Numbers: [672] 672,58 unequal: No Solution Exploring Operation: 28-24=4, Resulting Numbers: [4] 4,58 unequal: No Solution Moving to Node #0,2,1 Current State: 58:[28, 24], Operations: ['67-49=18', '42-18=24'] Exploring Operation: 28-24=4, Resulting Numbers: [4] 4,58 unequal: No Solution Exploring Operation: 28*24=672, Resulting Numbers: [672] 672,58 unequal: No Solution Exploring Operation: 28+24=52, Resulting Numbers: [52] 52,58 unequal: No Solution Moving to Node #0,0,2 Current State: 58:[49, 3], Operations: ['67-42=25', '28-25=3'] Exploring Operation: 49-3=46, Resulting Numbers: [46] 46,58 unequal: No Solution Exploring Operation: 49+3=52, Resulting Numbers: [52] 52,58 unequal: No Solution Exploring Operation: 49*3=147, Resulting Numbers: [147] 147,58 unequal: No Solution Moving to Node #0,0,1 Current State: 58:[25, 21], Operations: ['67-42=25', '49-28=21'] Exploring Operation: 25-21=4, Resulting Numbers: [4] 4,58 unequal: No Solution Exploring Operation: 25*21=525, Resulting Numbers: [525] 525,58 unequal: No Solution Exploring Operation: 25+21=46, Resulting Numbers: [46] 46,58 unequal: No Solution Moving to Node #0,2,2 Current State: 58:[42, 10], Operations: ['67-49=18', '28-18=10'] Exploring Operation: 42-10=32, Resulting Numbers: [32] 32,58 unequal: No Solution Exploring Operation: 42+10=52, Resulting Numbers: [52] 52,58 unequal: No Solution Exploring Operation: 42*10=420, Resulting Numbers: [420] 420,58 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 43, 30, 22, 58 ]
47
[ "30+58=88", "88/22=4", "43+4=47" ]
Current State: 47:[43, 30, 22, 58], Operations: [] Exploring Operation: 30+58=88, Resulting Numbers: [43, 22, 88] Generated Node #2: [43, 22, 88] from Operation: 30+58=88 Current State: 47:[43, 22, 88], Operations: ['30+58=88'] Exploring Operation: 88/22=4, Resulting Numbers: [43, 4] Generated Node #3: [43, 4] from Operation: 88/22=4 Current State: 47:[43, 4], Operations: ['30+58=88', '88/22=4'] Exploring Operation: 43+4=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[43, 30, 22, 58], Operations: [] Exploring Operation: 58-22=36, Resulting Numbers: [43, 30, 36] Generated Node #0,0: 47:[43, 30, 36] Operation: 58-22=36 Exploring Operation: 43+22=65, Resulting Numbers: [30, 58, 65] Generated Node #0,1: 47:[30, 58, 65] Operation: 43+22=65 Exploring Operation: 58-30=28, Resulting Numbers: [43, 22, 28] Generated Node #0,2: 47:[43, 22, 28] Operation: 58-30=28 Exploring Operation: 43-22=21, Resulting Numbers: [30, 58, 21] Generated Node #0,3: 47:[30, 58, 21] Operation: 43-22=21 Exploring Operation: 30+22=52, Resulting Numbers: [43, 58, 52] Generated Node #0,4: 47:[43, 58, 52] Operation: 30+22=52 Start Sub Search at level 1: Moving to Node #0,4 Current State: 47:[43, 58, 52], Operations: ['30+22=52'] Exploring Operation: 43+52=95, Resulting Numbers: [58, 95] Generated Node #0,4,0: 47:[58, 95] Operation: 43+52=95 Exploring Operation: 52-43=9, Resulting Numbers: [58, 9] Generated Node #0,4,1: 47:[58, 9] Operation: 52-43=9 Exploring Operation: 58-43=15, Resulting Numbers: [52, 15] Generated Node #0,4,2: 47:[52, 15] Operation: 58-43=15 Exploring Operation: 58-52=6, Resulting Numbers: [43, 6] Generated Node #0,4,3: 47:[43, 6] Operation: 58-52=6 Exploring Operation: 43+58=101, Resulting Numbers: [52, 101] Generated Node #0,4,4: 47:[52, 101] Operation: 43+58=101 Moving to Node #0,4,2 Current State: 47:[52, 15], Operations: ['30+22=52', '58-43=15'] Exploring Operation: 52-15=37, Resulting Numbers: [37] 37,47 unequal: No Solution Exploring Operation: 52+15=67, Resulting Numbers: [67] 67,47 unequal: No Solution Exploring Operation: 52*15=780, Resulting Numbers: [780] 780,47 unequal: No Solution Moving to Node #0,4,3 Current State: 47:[43, 6], Operations: ['30+22=52', '58-52=6'] Exploring Operation: 43-6=37, Resulting Numbers: [37] 37,47 unequal: No Solution Exploring Operation: 43+6=49, Resulting Numbers: [49] 49,47 unequal: No Solution Exploring Operation: 43*6=258, Resulting Numbers: [258] 258,47 unequal: No Solution Moving to Node #0,4,1 Current State: 47:[58, 9], Operations: ['30+22=52', '52-43=9'] Exploring Operation: 58*9=522, Resulting Numbers: [522] 522,47 unequal: No Solution Exploring Operation: 58+9=67, Resulting Numbers: [67] 67,47 unequal: No Solution Exploring Operation: 58-9=49, Resulting Numbers: [49] 49,47 unequal: No Solution Moving to Node #0,4,0 Current State: 47:[58, 95], Operations: ['30+22=52', '43+52=95'] Exploring Operation: 58+95=153, Resulting Numbers: [153] 153,47 unequal: No Solution Exploring Operation: 58*95=5510, Resulting Numbers: [5510] 5510,47 unequal: No Solution Exploring Operation: 95-58=37, Resulting Numbers: [37] 37,47 unequal: No Solution Moving to Node #0,4,4 Current State: 47:[52, 101], Operations: ['30+22=52', '43+58=101'] Exploring Operation: 101-52=49, Resulting Numbers: [49] 49,47 unequal: No Solution Exploring Operation: 52+101=153, Resulting Numbers: [153] 153,47 unequal: No Solution Exploring Operation: 52*101=5252, Resulting Numbers: [5252] 5252,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 47:[43, 30, 36], Operations: ['58-22=36'] Exploring Operation: 36-30=6, Resulting Numbers: [43, 6] Generated Node #0,0,0: 47:[43, 6] Operation: 36-30=6 Exploring Operation: 43+36=79, Resulting Numbers: [30, 79] Generated Node #0,0,1: 47:[30, 79] Operation: 43+36=79 Exploring Operation: 30+36=66, Resulting Numbers: [43, 66] Generated Node #0,0,2: 47:[43, 66] Operation: 30+36=66 Exploring Operation: 43-30=13, Resulting Numbers: [36, 13] Generated Node #0,0,3: 47:[36, 13] Operation: 43-30=13 Exploring Operation: 43+30=73, Resulting Numbers: [36, 73] Generated Node #0,0,4: 47:[36, 73] Operation: 43+30=73 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 47:[43, 66], Operations: ['58-22=36', '30+36=66'] Exploring Operation: 43*66=2838, Resulting Numbers: [2838] 2838,47 unequal: No Solution Exploring Operation: 43+66=109, Resulting Numbers: [109] 109,47 unequal: No Solution Exploring Operation: 66-43=23, Resulting Numbers: [23] 23,47 unequal: No Solution No 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: 47:[36, 73], Operations: ['58-22=36', '43+30=73'] Exploring Operation: 73-36=37, Resulting Numbers: [37] 37,47 unequal: No Solution Exploring Operation: 36+73=109, Resulting Numbers: [109] 109,47 unequal: No Solution Exploring Operation: 36*73=2628, Resulting Numbers: [2628] 2628,47 unequal: No Solution No 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: 47:[43, 6], Operations: ['58-22=36', '36-30=6'] Exploring Operation: 43-6=37, Resulting Numbers: [37] 37,47 unequal: No Solution Exploring Operation: 43*6=258, Resulting Numbers: [258] 258,47 unequal: No Solution Exploring Operation: 43+6=49, Resulting Numbers: [49] 49,47 unequal: No Solution No 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: 47:[36, 13], Operations: ['58-22=36', '43-30=13'] Exploring Operation: 36+13=49, Resulting Numbers: [49] 49,47 unequal: No Solution Exploring Operation: 36*13=468, Resulting Numbers: [468] 468,47 unequal: No Solution Exploring Operation: 36-13=23, Resulting Numbers: [23] 23,47 unequal: No Solution No 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: 47:[30, 79], Operations: ['58-22=36', '43+36=79'] Exploring Operation: 30+79=109, Resulting Numbers: [109] 109,47 unequal: No Solution Exploring Operation: 30*79=2370, Resulting Numbers: [2370] 2370,47 unequal: No Solution Exploring Operation: 79-30=49, Resulting Numbers: [49] 49,47 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: 47:[30, 58, 65], Operations: ['43+22=65'] Exploring Operation: 30+58=88, Resulting Numbers: [65, 88] Generated Node #0,1,0: 47:[65, 88] Operation: 30+58=88 Exploring Operation: 65-30=35, Resulting Numbers: [58, 35] Generated Node #0,1,1: 47:[58, 35] Operation: 65-30=35 Exploring Operation: 58-30=28, Resulting Numbers: [65, 28] Generated Node #0,1,2: 47:[65, 28] Operation: 58-30=28 Exploring Operation: 30+65=95, Resulting Numbers: [58, 95] Generated Node #0,1,3: 47:[58, 95] Operation: 30+65=95 Exploring Operation: 65-58=7, Resulting Numbers: [30, 7] Generated Node #0,1,4: 47:[30, 7] Operation: 65-58=7 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 47:[58, 35], Operations: ['43+22=65', '65-30=35'] Exploring Operation: 58+35=93, Resulting Numbers: [93] 93,47 unequal: No Solution Exploring Operation: 58*35=2030, Resulting Numbers: [2030] 2030,47 unequal: No Solution Exploring Operation: 58-35=23, Resulting Numbers: [23] 23,47 unequal: No Solution No 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: 47:[65, 28], Operations: ['43+22=65', '58-30=28'] Exploring Operation: 65*28=1820, Resulting Numbers: [1820] 1820,47 unequal: No Solution Exploring Operation: 65+28=93, Resulting Numbers: [93] 93,47 unequal: No Solution Exploring Operation: 65-28=37, Resulting Numbers: [37] 37,47 unequal: No Solution No 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: 47:[30, 7], Operations: ['43+22=65', '65-58=7'] Exploring Operation: 30*7=210, Resulting Numbers: [210] 210,47 unequal: No Solution Exploring Operation: 30+7=37, Resulting Numbers: [37] 37,47 unequal: No Solution Exploring Operation: 30-7=23, Resulting Numbers: [23] 23,47 unequal: No Solution No 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: 47:[65, 88], Operations: ['43+22=65', '30+58=88'] Exploring Operation: 65+88=153, Resulting Numbers: [153] 153,47 unequal: No Solution Exploring Operation: 88-65=23, Resulting Numbers: [23] 23,47 unequal: No Solution Exploring Operation: 65*88=5720, Resulting Numbers: [5720] 5720,47 unequal: No Solution No 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: 47:[58, 95], Operations: ['43+22=65', '30+65=95'] Exploring Operation: 58+95=153, Resulting Numbers: [153] 153,47 unequal: No Solution Exploring Operation: 95-58=37, Resulting Numbers: [37] 37,47 unequal: No Solution Exploring Operation: 58*95=5510, Resulting Numbers: [5510] 5510,47 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: 47:[43, 22, 28], Operations: ['58-30=28'] Exploring Operation: 43-22=21, Resulting Numbers: [28, 21] Generated Node #0,2,0: 47:[28, 21] Operation: 43-22=21 Exploring Operation: 22+28=50, Resulting Numbers: [43, 50] Generated Node #0,2,1: 47:[43, 50] Operation: 22+28=50 Exploring Operation: 28-22=6, Resulting Numbers: [43, 6] Generated Node #0,2,2: 47:[43, 6] Operation: 28-22=6 Exploring Operation: 43+22=65, Resulting Numbers: [28, 65] Generated Node #0,2,3: 47:[28, 65] Operation: 43+22=65 Exploring Operation: 43+28=71, Resulting Numbers: [22, 71] Generated Node #0,2,4: 47:[22, 71] Operation: 43+28=71 Moving to Node #0,2,1 Current State: 47:[43, 50], Operations: ['58-30=28', '22+28=50'] Exploring Operation: 50-43=7, Resulting Numbers: [7] 7,47 unequal: No Solution Exploring Operation: 43+50=93, Resulting Numbers: [93] 93,47 unequal: No Solution Exploring Operation: 43*50=2150, Resulting Numbers: [2150] 2150,47 unequal: No Solution Moving to Node #0,2,3 Current State: 47:[28, 65], Operations: ['58-30=28', '43+22=65'] Exploring Operation: 28*65=1820, Resulting Numbers: [1820] 1820,47 unequal: No Solution Exploring Operation: 28+65=93, Resulting Numbers: [93] 93,47 unequal: No Solution Exploring Operation: 65-28=37, Resulting Numbers: [37] 37,47 unequal: No Solution Moving to Node #0,2,0 Current State: 47:[28, 21], Operations: ['58-30=28', '43-22=21'] Exploring Operation: 28-21=7, Resulting Numbers: [7] 7,47 unequal: No Solution Exploring Operation: 28+21=49, Resulting Numbers: [49] 49,47 unequal: No Solution Exploring Operation: 28*21=588, Resulting Numbers: [588] 588,47 unequal: No Solution Moving to Node #0,2,2 Current State: 47:[43, 6], Operations: ['58-30=28', '28-22=6'] Exploring Operation: 43-6=37, Resulting Numbers: [37] 37,47 unequal: No Solution Exploring Operation: 43*6=258, Resulting Numbers: [258] 258,47 unequal: No Solution Exploring Operation: 43+6=49, Resulting Numbers: [49] 49,47 unequal: No Solution Moving to Node #0,2,4 Current State: 47:[22, 71], Operations: ['58-30=28', '43+28=71'] Exploring Operation: 71-22=49, Resulting Numbers: [49] 49,47 unequal: No Solution Exploring Operation: 22+71=93, Resulting Numbers: [93] 93,47 unequal: No Solution Exploring Operation: 22*71=1562, Resulting Numbers: [1562] 1562,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 47:[30, 58, 21], Operations: ['43-22=21'] Exploring Operation: 58-30=28, Resulting Numbers: [21, 28] Generated Node #0,3,0: 47:[21, 28] Operation: 58-30=28 Exploring Operation: 30+21=51, Resulting Numbers: [58, 51] Generated Node #0,3,1: 47:[58, 51] Operation: 30+21=51 Exploring Operation: 58+21=79, Resulting Numbers: [30, 79] Generated Node #0,3,2: 47:[30, 79] Operation: 58+21=79 Exploring Operation: 30-21=9, Resulting Numbers: [58, 9] Generated Node #0,3,3: 47:[58, 9] Operation: 30-21=9 Exploring Operation: 58-21=37, Resulting Numbers: [30, 37] Generated Node #0,3,4: 47:[30, 37] Operation: 58-21=37 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 47:[58, 51], Operations: ['43-22=21', '30+21=51'] Exploring Operation: 58*51=2958, Resulting Numbers: [2958] 2958,47 unequal: No Solution Exploring Operation: 58+51=109, Resulting Numbers: [109] 109,47 unequal: No Solution Exploring Operation: 58-51=7, Resulting Numbers: [7] 7,47 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 47:[30, 37], Operations: ['43-22=21', '58-21=37'] Exploring Operation: 37-30=7, Resulting Numbers: [7] 7,47 unequal: No Solution Exploring Operation: 30+37=67, Resulting Numbers: [67] 67,47 unequal: No Solution Exploring Operation: 30*37=1110, Resulting Numbers: [1110] 1110,47 unequal: No Solution No 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: 47:[21, 28], Operations: ['43-22=21', '58-30=28'] Exploring Operation: 21+28=49, Resulting Numbers: [49] 49,47 unequal: No Solution Exploring Operation: 28-21=7, Resulting Numbers: [7] 7,47 unequal: No Solution Exploring Operation: 21*28=588, Resulting Numbers: [588] 588,47 unequal: No Solution No 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: 47:[30, 79], Operations: ['43-22=21', '58+21=79'] Exploring Operation: 30+79=109, Resulting Numbers: [109] 109,47 unequal: No Solution Exploring Operation: 79-30=49, Resulting Numbers: [49] 49,47 unequal: No Solution Exploring Operation: 30*79=2370, Resulting Numbers: [2370] 2370,47 unequal: No Solution No 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: 47:[58, 9], Operations: ['43-22=21', '30-21=9'] Exploring Operation: 58+9=67, Resulting Numbers: [67] 67,47 unequal: No Solution Exploring Operation: 58*9=522, Resulting Numbers: [522] 522,47 unequal: No Solution Exploring Operation: 58-9=49, Resulting Numbers: [49] 49,47 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
[ 19, 70, 69, 94 ]
26
[ "70-19=51", "94-69=25", "51-25=26" ]
Current State: 26:[19, 70, 69, 94], Operations: [] Exploring Operation: 70-19=51, Resulting Numbers: [69, 94, 51] Generated Node #2: [69, 94, 51] from Operation: 70-19=51 Current State: 26:[69, 94, 51], Operations: ['70-19=51'] Exploring Operation: 94-69=25, Resulting Numbers: [51, 25] Generated Node #3: [51, 25] from Operation: 94-69=25 Current State: 26:[51, 25], Operations: ['70-19=51', '94-69=25'] Exploring Operation: 51-25=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
4
Current State: 26:[19, 70, 69, 94], Operations: [] Exploring Operation: 70-69=1, Resulting Numbers: [19, 94, 1] Generated Node #0,0: 26:[19, 94, 1] Operation: 70-69=1 Exploring Operation: 94-70=24, Resulting Numbers: [19, 69, 24] Generated Node #0,1: 26:[19, 69, 24] Operation: 94-70=24 Exploring Operation: 94-69=25, Resulting Numbers: [19, 70, 25] Generated Node #0,2: 26:[19, 70, 25] Operation: 94-69=25 Exploring Operation: 69-19=50, Resulting Numbers: [70, 94, 50] Generated Node #0,3: 26:[70, 94, 50] Operation: 69-19=50 Exploring Operation: 70-19=51, Resulting Numbers: [69, 94, 51] Generated Node #0,4: 26:[69, 94, 51] Operation: 70-19=51 Start Sub Search at level 1: Moving to Node #0,1 Current State: 26:[19, 69, 24], Operations: ['94-70=24'] Exploring Operation: 19+69=88, Resulting Numbers: [24, 88] Generated Node #0,1,0: 26:[24, 88] Operation: 19+69=88 Exploring Operation: 69-24=45, Resulting Numbers: [19, 45] Generated Node #0,1,1: 26:[19, 45] Operation: 69-24=45 Exploring Operation: 19+24=43, Resulting Numbers: [69, 43] Generated Node #0,1,2: 26:[69, 43] Operation: 19+24=43 Exploring Operation: 69-19=50, Resulting Numbers: [24, 50] Generated Node #0,1,3: 26:[24, 50] Operation: 69-19=50 Exploring Operation: 24-19=5, Resulting Numbers: [69, 5] Generated Node #0,1,4: 26:[69, 5] Operation: 24-19=5 Moving to Node #0,1,1 Current State: 26:[19, 45], Operations: ['94-70=24', '69-24=45'] Exploring Operation: 19+45=64, Resulting Numbers: [64] 64,26 unequal: No Solution Exploring Operation: 45-19=26, Resulting Numbers: [26] 26,26 equal: Goal Reached Moving to Node #0 Current State: 26:[19, 70, 69, 94], Operations: [] Exploring Operation: 94-70=24, Resulting Numbers: [19, 69, 24] Generated Node #0,1: 26:[19, 69, 24] Operation: 94-70=24 Moving to Node #0,1 Current State: 26:[19, 69, 24], Operations: ['94-70=24'] Exploring Operation: 69-24=45, Resulting Numbers: [19, 45] Generated Node #0,1,1: 26:[19, 45] Operation: 69-24=45 Moving to Node #0,1,1 Current State: 26:[19, 45], Operations: ['94-70=24', '69-24=45'] Exploring Operation: 45-19=26, Resulting Numbers: [26] 26,26 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_5
mult_heuristic
[ 12, 33, 78, 51 ]
71
[ "33+51=84", "84/12=7", "78-7=71" ]
Current State: 71:[12, 33, 78, 51], Operations: [] Exploring Operation: 33+51=84, Resulting Numbers: [12, 78, 84] Generated Node #2: [12, 78, 84] from Operation: 33+51=84 Current State: 71:[12, 78, 84], Operations: ['33+51=84'] Exploring Operation: 84/12=7, Resulting Numbers: [78, 7] Generated Node #3: [78, 7] from Operation: 84/12=7 Current State: 71:[78, 7], Operations: ['33+51=84', '84/12=7'] Exploring Operation: 78-7=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
4
Current State: 71:[12, 33, 78, 51], Operations: [] Exploring Operation: 12+33=45, Resulting Numbers: [78, 51, 45] Generated Node #0,0: 71:[78, 51, 45] Operation: 12+33=45 Moving to Node #0,0 Current State: 71:[78, 51, 45], Operations: ['12+33=45'] Exploring Operation: 51+45=96, Resulting Numbers: [78, 96] Generated Node #0,0,0: 71:[78, 96] Operation: 51+45=96 Moving to Node #0,0,0 Current State: 71:[78, 96], Operations: ['12+33=45', '51+45=96'] Exploring Operation: 96-78=18, Resulting Numbers: [18] 18,71 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 34, 54, 27, 14 ]
33
[ "54-34=20", "27-14=13", "20+13=33" ]
Current State: 33:[34, 54, 27, 14], Operations: [] Exploring Operation: 54-34=20, Resulting Numbers: [27, 14, 20] Generated Node #2: [27, 14, 20] from Operation: 54-34=20 Current State: 33:[27, 14, 20], Operations: ['54-34=20'] Exploring Operation: 27-14=13, Resulting Numbers: [20, 13] Generated Node #3: [20, 13] from Operation: 27-14=13 Current State: 33:[20, 13], Operations: ['54-34=20', '27-14=13'] Exploring Operation: 20+13=33, Resulting Numbers: [33] 33,33 equal: Goal Reached
4
Current State: 33:[34, 54, 27, 14], Operations: [] Exploring Operation: 54/27=2, Resulting Numbers: [34, 14, 2] Generated Node #0,0: 33:[34, 14, 2] Operation: 54/27=2 Exploring Operation: 54-27=27, Resulting Numbers: [34, 14, 27] Generated Node #0,1: 33:[34, 14, 27] Operation: 54-27=27 Start Sub Search at level 1: Moving to Node #0,0 Current State: 33:[34, 14, 2], Operations: ['54/27=2'] Exploring Operation: 14-2=12, Resulting Numbers: [34, 12] Generated Node #0,0,0: 33:[34, 12] Operation: 14-2=12 Exploring Operation: 34-2=32, Resulting Numbers: [14, 32] Generated Node #0,0,1: 33:[14, 32] Operation: 34-2=32 Moving to Node #0,0,0 Current State: 33:[34, 12], Operations: ['54/27=2', '14-2=12'] Exploring Operation: 34+12=46, Resulting Numbers: [46] 46,33 unequal: No Solution Exploring Operation: 34-12=22, Resulting Numbers: [22] 22,33 unequal: No Solution Moving to Node #0,0,1 Current State: 33:[14, 32], Operations: ['54/27=2', '34-2=32'] Exploring Operation: 32-14=18, Resulting Numbers: [18] 18,33 unequal: No Solution Exploring Operation: 14+32=46, Resulting Numbers: [46] 46,33 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 33:[34, 14, 27], Operations: ['54-27=27'] Exploring Operation: 34-27=7, Resulting Numbers: [14, 7] Generated Node #0,1,0: 33:[14, 7] Operation: 34-27=7 Exploring Operation: 27-14=13, Resulting Numbers: [34, 13] Generated Node #0,1,1: 33:[34, 13] Operation: 27-14=13 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 33:[34, 13], Operations: ['54-27=27', '27-14=13'] Exploring Operation: 34+13=47, Resulting Numbers: [47] 47,33 unequal: No Solution Exploring Operation: 34-13=21, Resulting Numbers: [21] 21,33 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 33:[14, 7], Operations: ['54-27=27', '34-27=7'] Exploring Operation: 14-7=7, Resulting Numbers: [7] 7,33 unequal: No Solution Exploring Operation: 14/7=2, Resulting Numbers: [2] 2,33 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 27, 20, 97, 93 ]
88
[ "97-93=4", "27*4=108", "108-20=88" ]
Current State: 88:[27, 20, 97, 93], Operations: [] Exploring Operation: 97-93=4, Resulting Numbers: [27, 20, 4] Generated Node #2: [27, 20, 4] from Operation: 97-93=4 Current State: 88:[27, 20, 4], Operations: ['97-93=4'] Exploring Operation: 27*4=108, Resulting Numbers: [20, 108] Generated Node #3: [20, 108] from Operation: 27*4=108 Current State: 88:[20, 108], Operations: ['97-93=4', '27*4=108'] Exploring Operation: 108-20=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
4
Current State: 88:[27, 20, 97, 93], Operations: [] Exploring Operation: 27-20=7, Resulting Numbers: [97, 93, 7] Generated Node #0,0: 88:[97, 93, 7] Operation: 27-20=7 Exploring Operation: 97-93=4, Resulting Numbers: [27, 20, 4] Generated Node #0,1: 88:[27, 20, 4] Operation: 97-93=4 Moving to Node #0,1 Current State: 88:[27, 20, 4], Operations: ['97-93=4'] Exploring Operation: 27+20=47, Resulting Numbers: [4, 47] Generated Node #0,1,0: 88:[4, 47] Operation: 27+20=47 Exploring Operation: 27-20=7, Resulting Numbers: [4, 7] Generated Node #0,1,1: 88:[4, 7] Operation: 27-20=7 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 88:[4, 7], Operations: ['97-93=4', '27-20=7'] Exploring Operation: 7-4=3, Resulting Numbers: [3] 3,88 unequal: No Solution Exploring Operation: 4+7=11, Resulting Numbers: [11] 11,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 88:[4, 47], Operations: ['97-93=4', '27+20=47'] Exploring Operation: 4+47=51, Resulting Numbers: [51] 51,88 unequal: No Solution Exploring Operation: 47-4=43, Resulting Numbers: [43] 43,88 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: 88:[97, 93, 7], Operations: ['27-20=7'] Exploring Operation: 97-93=4, Resulting Numbers: [7, 4] Generated Node #0,0,0: 88:[7, 4] Operation: 97-93=4 Exploring Operation: 97-7=90, Resulting Numbers: [93, 90] Generated Node #0,0,1: 88:[93, 90] Operation: 97-7=90 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 88:[7, 4], Operations: ['27-20=7', '97-93=4'] Exploring Operation: 7-4=3, Resulting Numbers: [3] 3,88 unequal: No Solution Exploring Operation: 7+4=11, Resulting Numbers: [11] 11,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 88:[93, 90], Operations: ['27-20=7', '97-7=90'] Exploring Operation: 93+90=183, Resulting Numbers: [183] 183,88 unequal: No Solution Exploring Operation: 93-90=3, Resulting Numbers: [3] 3,88 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
[ 82, 96, 39, 62 ]
77
[ "82+96=178", "39+62=101", "178-101=77" ]
Current State: 77:[82, 96, 39, 62], Operations: [] Exploring Operation: 82+96=178, Resulting Numbers: [39, 62, 178] Generated Node #2: [39, 62, 178] from Operation: 82+96=178 Current State: 77:[39, 62, 178], Operations: ['82+96=178'] Exploring Operation: 39+62=101, Resulting Numbers: [178, 101] Generated Node #3: [178, 101] from Operation: 39+62=101 Current State: 77:[178, 101], Operations: ['82+96=178', '39+62=101'] Exploring Operation: 178-101=77, Resulting Numbers: [77] 77,77 equal: Goal Reached
4
Current State: 77:[82, 96, 39, 62], Operations: [] Exploring Operation: 62-39=23, Resulting Numbers: [82, 96, 23] Generated Node #0,0: 77:[82, 96, 23] Operation: 62-39=23 Moving to Node #0,0 Current State: 77:[82, 96, 23], Operations: ['62-39=23'] Exploring Operation: 96-23=73, Resulting Numbers: [82, 73] Generated Node #0,0,0: 77:[82, 73] Operation: 96-23=73 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 77:[82, 73], Operations: ['62-39=23', '96-23=73'] Exploring Operation: 82-73=9, Resulting Numbers: [9] 9,77 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
[ 56, 28, 3, 64 ]
68
[ "56+64=120", "120/3=40", "28+40=68" ]
Current State: 68:[56, 28, 3, 64], Operations: [] Exploring Operation: 56+64=120, Resulting Numbers: [28, 3, 120] Generated Node #2: [28, 3, 120] from Operation: 56+64=120 Current State: 68:[28, 3, 120], Operations: ['56+64=120'] Exploring Operation: 120/3=40, Resulting Numbers: [28, 40] Generated Node #3: [28, 40] from Operation: 120/3=40 Current State: 68:[28, 40], Operations: ['56+64=120', '120/3=40'] Exploring Operation: 28+40=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
4
Current State: 68:[56, 28, 3, 64], Operations: [] Exploring Operation: 56/28=2, Resulting Numbers: [3, 64, 2] Generated Node #0,0: 68:[3, 64, 2] Operation: 56/28=2 Exploring Operation: 56-28=28, Resulting Numbers: [3, 64, 28] Generated Node #0,1: 68:[3, 64, 28] Operation: 56-28=28 Moving to Node #0,0 Current State: 68:[3, 64, 2], Operations: ['56/28=2'] Exploring Operation: 3+64=67, Resulting Numbers: [2, 67] Generated Node #0,0,0: 68:[2, 67] Operation: 3+64=67 Exploring Operation: 64+2=66, Resulting Numbers: [3, 66] Generated Node #0,0,1: 68:[3, 66] Operation: 64+2=66 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 68:[2, 67], Operations: ['56/28=2', '3+64=67'] Exploring Operation: 2+67=69, Resulting Numbers: [69] 69,68 unequal: No Solution Exploring Operation: 67-2=65, Resulting Numbers: [65] 65,68 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 68:[3, 66], Operations: ['56/28=2', '64+2=66'] Exploring Operation: 66-3=63, Resulting Numbers: [63] 63,68 unequal: No Solution Exploring Operation: 3+66=69, Resulting Numbers: [69] 69,68 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: 68:[3, 64, 28], Operations: ['56-28=28'] Exploring Operation: 3+64=67, Resulting Numbers: [28, 67] Generated Node #0,1,0: 68:[28, 67] Operation: 3+64=67 Exploring Operation: 64-28=36, Resulting Numbers: [3, 36] Generated Node #0,1,1: 68:[3, 36] Operation: 64-28=36 Moving to Node #0,1,1 Current State: 68:[3, 36], Operations: ['56-28=28', '64-28=36'] Exploring Operation: 36-3=33, Resulting Numbers: [33] 33,68 unequal: No Solution Exploring Operation: 3+36=39, Resulting Numbers: [39] 39,68 unequal: No Solution Moving to Node #0,1,0 Current State: 68:[28, 67], Operations: ['56-28=28', '3+64=67'] Exploring Operation: 28+67=95, Resulting Numbers: [95] 95,68 unequal: No Solution Exploring Operation: 67-28=39, Resulting Numbers: [39] 39,68 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 33, 22, 95, 98 ]
58
[ "33+22=55", "98-95=3", "55+3=58" ]
Current State: 58:[33, 22, 95, 98], Operations: [] Exploring Operation: 33+22=55, Resulting Numbers: [95, 98, 55] Generated Node #2: [95, 98, 55] from Operation: 33+22=55 Current State: 58:[95, 98, 55], Operations: ['33+22=55'] Exploring Operation: 98-95=3, Resulting Numbers: [55, 3] Generated Node #3: [55, 3] from Operation: 98-95=3 Current State: 58:[55, 3], Operations: ['33+22=55', '98-95=3'] Exploring Operation: 55+3=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[33, 22, 95, 98], Operations: [] Exploring Operation: 98-95=3, Resulting Numbers: [33, 22, 3] Generated Node #0,0: 58:[33, 22, 3] Operation: 98-95=3 Moving to Node #0,0 Current State: 58:[33, 22, 3], Operations: ['98-95=3'] Exploring Operation: 33+22=55, Resulting Numbers: [3, 55] Generated Node #0,0,0: 58:[3, 55] Operation: 33+22=55 Moving to Node #0,0,0 Current State: 58:[3, 55], Operations: ['98-95=3', '33+22=55'] Exploring Operation: 3+55=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Moving to Node #0 Current State: 58:[33, 22, 95, 98], Operations: [] Exploring Operation: 98-95=3, Resulting Numbers: [33, 22, 3] Generated Node #0,0: 58:[33, 22, 3] Operation: 98-95=3 Moving to Node #0,0 Current State: 58:[33, 22, 3], Operations: ['98-95=3'] Exploring Operation: 33+22=55, Resulting Numbers: [3, 55] Generated Node #0,0,0: 58:[3, 55] Operation: 33+22=55 Moving to Node #0,0,0 Current State: 58:[3, 55], Operations: ['98-95=3', '33+22=55'] Exploring Operation: 3+55=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
0.993924
hs_1
sum_heuristic
[ 7, 15, 2, 19 ]
100
[ "15+2=17", "7*17=119", "119-19=100" ]
Current State: 100:[7, 15, 2, 19], Operations: [] Exploring Operation: 15+2=17, Resulting Numbers: [7, 19, 17] Generated Node #2: [7, 19, 17] from Operation: 15+2=17 Current State: 100:[7, 19, 17], Operations: ['15+2=17'] Exploring Operation: 7*17=119, Resulting Numbers: [19, 119] Generated Node #3: [19, 119] from Operation: 7*17=119 Current State: 100:[19, 119], Operations: ['15+2=17', '7*17=119'] Exploring Operation: 119-19=100, Resulting Numbers: [100] 100,100 equal: Goal Reached
4
Current State: 100:[7, 15, 2, 19], Operations: [] Exploring Operation: 7+15=22, Resulting Numbers: [2, 19, 22] Generated Node #0,0: 100:[2, 19, 22] Operation: 7+15=22 Exploring Operation: 15-7=8, Resulting Numbers: [2, 19, 8] Generated Node #0,1: 100:[2, 19, 8] Operation: 15-7=8 Exploring Operation: 19-15=4, Resulting Numbers: [7, 2, 4] Generated Node #0,2: 100:[7, 2, 4] Operation: 19-15=4 Start Sub Search at level 1: Moving to Node #0,2 Current State: 100:[7, 2, 4], Operations: ['19-15=4'] Exploring Operation: 7-2=5, Resulting Numbers: [4, 5] Generated Node #0,2,0: 100:[4, 5] Operation: 7-2=5 Exploring Operation: 7+4=11, Resulting Numbers: [2, 11] Generated Node #0,2,1: 100:[2, 11] Operation: 7+4=11 Exploring Operation: 7+2=9, Resulting Numbers: [4, 9] Generated Node #0,2,2: 100:[4, 9] Operation: 7+2=9 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 100:[4, 5], Operations: ['19-15=4', '7-2=5'] Exploring Operation: 5-4=1, Resulting Numbers: [1] 1,100 unequal: No Solution Exploring Operation: 4*5=20, Resulting Numbers: [20] 20,100 unequal: No Solution Exploring Operation: 4+5=9, Resulting Numbers: [9] 9,100 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 100:[2, 11], Operations: ['19-15=4', '7+4=11'] Exploring Operation: 11-2=9, Resulting Numbers: [9] 9,100 unequal: No Solution Exploring Operation: 2*11=22, Resulting Numbers: [22] 22,100 unequal: No Solution Exploring Operation: 2+11=13, Resulting Numbers: [13] 13,100 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 100:[4, 9], Operations: ['19-15=4', '7+2=9'] Exploring Operation: 9-4=5, Resulting Numbers: [5] 5,100 unequal: No Solution Exploring Operation: 4+9=13, Resulting Numbers: [13] 13,100 unequal: No Solution Exploring Operation: 4*9=36, Resulting Numbers: [36] 36,100 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 100:[2, 19, 22], Operations: ['7+15=22'] Exploring Operation: 2+22=24, Resulting Numbers: [19, 24] Generated Node #0,0,0: 100:[19, 24] Operation: 2+22=24 Exploring Operation: 22-2=20, Resulting Numbers: [19, 20] Generated Node #0,0,1: 100:[19, 20] Operation: 22-2=20 Exploring Operation: 22-19=3, Resulting Numbers: [2, 3] Generated Node #0,0,2: 100:[2, 3] Operation: 22-19=3 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 100:[19, 20], Operations: ['7+15=22', '22-2=20'] Exploring Operation: 19*20=380, Resulting Numbers: [380] 380,100 unequal: No Solution Exploring Operation: 20-19=1, Resulting Numbers: [1] 1,100 unequal: No Solution Exploring Operation: 19+20=39, Resulting Numbers: [39] 39,100 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 100:[2, 3], Operations: ['7+15=22', '22-19=3'] Exploring Operation: 2*3=6, Resulting Numbers: [6] 6,100 unequal: No Solution Exploring Operation: 2+3=5, Resulting Numbers: [5] 5,100 unequal: No Solution Exploring Operation: 3-2=1, Resulting Numbers: [1] 1,100 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 100:[19, 24], Operations: ['7+15=22', '2+22=24'] Exploring Operation: 19+24=43, Resulting Numbers: [43] 43,100 unequal: No Solution Exploring Operation: 19*24=456, Resulting Numbers: [456] 456,100 unequal: No Solution Exploring Operation: 24-19=5, Resulting Numbers: [5] 5,100 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 100:[2, 19, 8], Operations: ['15-7=8'] Exploring Operation: 2+8=10, Resulting Numbers: [19, 10] Generated Node #0,1,0: 100:[19, 10] Operation: 2+8=10 Exploring Operation: 19-8=11, Resulting Numbers: [2, 11] Generated Node #0,1,1: 100:[2, 11] Operation: 19-8=11 Exploring Operation: 8/2=4, Resulting Numbers: [19, 4] Generated Node #0,1,2: 100:[19, 4] Operation: 8/2=4 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 100:[19, 10], Operations: ['15-7=8', '2+8=10'] Exploring Operation: 19-10=9, Resulting Numbers: [9] 9,100 unequal: No Solution Exploring Operation: 19*10=190, Resulting Numbers: [190] 190,100 unequal: No Solution Exploring Operation: 19+10=29, Resulting Numbers: [29] 29,100 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 100:[2, 11], Operations: ['15-7=8', '19-8=11'] Exploring Operation: 2+11=13, Resulting Numbers: [13] 13,100 unequal: No Solution Exploring Operation: 11-2=9, Resulting Numbers: [9] 9,100 unequal: No Solution Exploring Operation: 2*11=22, Resulting Numbers: [22] 22,100 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 100:[19, 4], Operations: ['15-7=8', '8/2=4'] Exploring Operation: 19*4=76, Resulting Numbers: [76] 76,100 unequal: No Solution Exploring Operation: 19-4=15, Resulting Numbers: [15] 15,100 unequal: No Solution Exploring Operation: 19+4=23, Resulting Numbers: [23] 23,100 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_3
sum_heuristic
[ 41, 39, 9, 25 ]
32
[ "41-39=2", "9+25=34", "34-2=32" ]
Current State: 32:[41, 39, 9, 25], Operations: [] Exploring Operation: 41-39=2, Resulting Numbers: [9, 25, 2] Generated Node #2: [9, 25, 2] from Operation: 41-39=2 Current State: 32:[9, 25, 2], Operations: ['41-39=2'] Exploring Operation: 9+25=34, Resulting Numbers: [2, 34] Generated Node #3: [2, 34] from Operation: 9+25=34 Current State: 32:[2, 34], Operations: ['41-39=2', '9+25=34'] Exploring Operation: 34-2=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[41, 39, 9, 25], Operations: [] Exploring Operation: 41-39=2, Resulting Numbers: [9, 25, 2] Generated Node #0,0: 32:[9, 25, 2] Operation: 41-39=2 Exploring Operation: 39-25=14, Resulting Numbers: [41, 9, 14] Generated Node #0,1: 32:[41, 9, 14] Operation: 39-25=14 Exploring Operation: 41-9=32, Resulting Numbers: [39, 25, 32] Generated Node #0,2: 32:[39, 25, 32] Operation: 41-9=32 Exploring Operation: 41-25=16, Resulting Numbers: [39, 9, 16] Generated Node #0,3: 32:[39, 9, 16] Operation: 41-25=16 Exploring Operation: 25-9=16, Resulting Numbers: [41, 39, 16] Generated Node #0,4: 32:[41, 39, 16] Operation: 25-9=16 Start Sub Search at level 1: Moving to Node #0,0 Current State: 32:[9, 25, 2], Operations: ['41-39=2'] Exploring Operation: 25-9=16, Resulting Numbers: [2, 16] Generated Node #0,0,0: 32:[2, 16] Operation: 25-9=16 Exploring Operation: 25+2=27, Resulting Numbers: [9, 27] Generated Node #0,0,1: 32:[9, 27] Operation: 25+2=27 Exploring Operation: 25-2=23, Resulting Numbers: [9, 23] Generated Node #0,0,2: 32:[9, 23] Operation: 25-2=23 Exploring Operation: 9-2=7, Resulting Numbers: [25, 7] Generated Node #0,0,3: 32:[25, 7] Operation: 9-2=7 Exploring Operation: 9+25=34, Resulting Numbers: [2, 34] Generated Node #0,0,4: 32:[2, 34] Operation: 9+25=34 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 32:[2, 16], Operations: ['41-39=2', '25-9=16'] Exploring Operation: 2*16=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Moving to Node #0 Current State: 32:[41, 39, 9, 25], Operations: [] Exploring Operation: 41-39=2, Resulting Numbers: [9, 25, 2] Generated Node #0,0: 32:[9, 25, 2] Operation: 41-39=2 Moving to Node #0,0 Current State: 32:[9, 25, 2], Operations: ['41-39=2'] Exploring Operation: 25-9=16, Resulting Numbers: [2, 16] Generated Node #0,0,0: 32:[2, 16] Operation: 25-9=16 Moving to Node #0,0,0 Current State: 32:[2, 16], Operations: ['41-39=2', '25-9=16'] Exploring Operation: 2*16=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986979
hs_5
sum_heuristic
[ 11, 4, 50, 77 ]
64
[ "11+50=61", "77-61=16", "4*16=64" ]
Current State: 64:[11, 4, 50, 77], Operations: [] Exploring Operation: 11+50=61, Resulting Numbers: [4, 77, 61] Generated Node #2: [4, 77, 61] from Operation: 11+50=61 Current State: 64:[4, 77, 61], Operations: ['11+50=61'] Exploring Operation: 77-61=16, Resulting Numbers: [4, 16] Generated Node #3: [4, 16] from Operation: 77-61=16 Current State: 64:[4, 16], Operations: ['11+50=61', '77-61=16'] Exploring Operation: 4*16=64, Resulting Numbers: [64] 64,64 equal: Goal Reached
4
Current State: 64:[11, 4, 50, 77], Operations: [] Exploring Operation: 77-50=27, Resulting Numbers: [11, 4, 27] Generated Node #0,0: 64:[11, 4, 27] Operation: 77-50=27 Moving to Node #0,0 Current State: 64:[11, 4, 27], Operations: ['77-50=27'] Exploring Operation: 27-11=16, Resulting Numbers: [4, 16] Generated Node #0,0,0: 64:[4, 16] Operation: 27-11=16 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 64:[4, 16], Operations: ['77-50=27', '27-11=16'] Exploring Operation: 4*16=64, Resulting Numbers: [64] 64,64 equal: Goal Reached Moving to Node #0 Current State: 64:[11, 4, 50, 77], Operations: [] Exploring Operation: 77-50=27, Resulting Numbers: [11, 4, 27] Generated Node #0,0: 64:[11, 4, 27] Operation: 77-50=27 Moving to Node #0,0 Current State: 64:[11, 4, 27], Operations: ['77-50=27'] Exploring Operation: 27-11=16, Resulting Numbers: [4, 16] Generated Node #0,0,0: 64:[4, 16] Operation: 27-11=16 Moving to Node #0,0,0 Current State: 64:[4, 16], Operations: ['77-50=27', '27-11=16'] Exploring Operation: 4*16=64, Resulting Numbers: [64] 64,64 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 87, 96, 35, 32 ]
76
[ "96-87=9", "35+32=67", "9+67=76" ]
Current State: 76:[87, 96, 35, 32], Operations: [] Exploring Operation: 96-87=9, Resulting Numbers: [35, 32, 9] Generated Node #2: [35, 32, 9] from Operation: 96-87=9 Current State: 76:[35, 32, 9], Operations: ['96-87=9'] Exploring Operation: 35+32=67, Resulting Numbers: [9, 67] Generated Node #3: [9, 67] from Operation: 35+32=67 Current State: 76:[9, 67], Operations: ['96-87=9', '35+32=67'] Exploring Operation: 9+67=76, Resulting Numbers: [76] 76,76 equal: Goal Reached
4
Current State: 76:[87, 96, 35, 32], Operations: [] Exploring Operation: 96-32=64, Resulting Numbers: [87, 35, 64] Generated Node #0,0: 76:[87, 35, 64] Operation: 96-32=64 Exploring Operation: 96/32=3, Resulting Numbers: [87, 35, 3] Generated Node #0,1: 76:[87, 35, 3] Operation: 96/32=3 Exploring Operation: 96-87=9, Resulting Numbers: [35, 32, 9] Generated Node #0,2: 76:[35, 32, 9] Operation: 96-87=9 Exploring Operation: 96-35=61, Resulting Numbers: [87, 32, 61] Generated Node #0,3: 76:[87, 32, 61] Operation: 96-35=61 Start Sub Search at level 1: Moving to Node #0,2 Current State: 76:[35, 32, 9], Operations: ['96-87=9'] Exploring Operation: 35+9=44, Resulting Numbers: [32, 44] Generated Node #0,2,0: 76:[32, 44] Operation: 35+9=44 Exploring Operation: 32-9=23, Resulting Numbers: [35, 23] Generated Node #0,2,1: 76:[35, 23] Operation: 32-9=23 Exploring Operation: 32+9=41, Resulting Numbers: [35, 41] Generated Node #0,2,2: 76:[35, 41] Operation: 32+9=41 Exploring Operation: 35-32=3, Resulting Numbers: [9, 3] Generated Node #0,2,3: 76:[9, 3] Operation: 35-32=3 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 76:[35, 41], Operations: ['96-87=9', '32+9=41'] Exploring Operation: 41-35=6, Resulting Numbers: [6] 6,76 unequal: No Solution Exploring Operation: 35+41=76, Resulting Numbers: [76] 76,76 equal: Goal Reached Moving to Node #0 Current State: 76:[87, 96, 35, 32], Operations: [] Exploring Operation: 96-87=9, Resulting Numbers: [35, 32, 9] Generated Node #0,2: 76:[35, 32, 9] Operation: 96-87=9 Moving to Node #0,2 Current State: 76:[35, 32, 9], Operations: ['96-87=9'] Exploring Operation: 32+9=41, Resulting Numbers: [35, 41] Generated Node #0,2,2: 76:[35, 41] Operation: 32+9=41 Moving to Node #0,2,2 Current State: 76:[35, 41], Operations: ['96-87=9', '32+9=41'] Exploring Operation: 35+41=76, Resulting Numbers: [76] 76,76 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.987847
hs_4
sum_heuristic
[ 72, 84, 48, 18 ]
38
[ "84*48=4032", "4032/72=56", "56-18=38" ]
Current State: 38:[72, 84, 48, 18], Operations: [] Exploring Operation: 84*48=4032, Resulting Numbers: [72, 18, 4032] Generated Node #2: [72, 18, 4032] from Operation: 84*48=4032 Current State: 38:[72, 18, 4032], Operations: ['84*48=4032'] Exploring Operation: 4032/72=56, Resulting Numbers: [18, 56] Generated Node #3: [18, 56] from Operation: 4032/72=56 Current State: 38:[18, 56], Operations: ['84*48=4032', '4032/72=56'] Exploring Operation: 56-18=38, Resulting Numbers: [38] 38,38 equal: Goal Reached
4
Current State: 38:[72, 84, 48, 18], Operations: [] Exploring Operation: 72-48=24, Resulting Numbers: [84, 18, 24] Generated Node #0,0: 38:[84, 18, 24] Operation: 72-48=24 Exploring Operation: 84-48=36, Resulting Numbers: [72, 18, 36] Generated Node #0,1: 38:[72, 18, 36] Operation: 84-48=36 Exploring Operation: 72/18=4, Resulting Numbers: [84, 48, 4] Generated Node #0,2: 38:[84, 48, 4] Operation: 72/18=4 Exploring Operation: 84-72=12, Resulting Numbers: [48, 18, 12] Generated Node #0,3: 38:[48, 18, 12] Operation: 84-72=12 Moving to Node #0,3 Current State: 38:[48, 18, 12], Operations: ['84-72=12'] Exploring Operation: 48/12=4, Resulting Numbers: [18, 4] Generated Node #0,3,0: 38:[18, 4] Operation: 48/12=4 Exploring Operation: 48-12=36, Resulting Numbers: [18, 36] Generated Node #0,3,1: 38:[18, 36] Operation: 48-12=36 Exploring Operation: 18-12=6, Resulting Numbers: [48, 6] Generated Node #0,3,2: 38:[48, 6] Operation: 18-12=6 Exploring Operation: 48-18=30, Resulting Numbers: [12, 30] Generated Node #0,3,3: 38:[12, 30] Operation: 48-18=30 Moving to Node #0,1 Current State: 38:[72, 18, 36], Operations: ['84-48=36'] Exploring Operation: 72/18=4, Resulting Numbers: [36, 4] Generated Node #0,1,0: 38:[36, 4] Operation: 72/18=4 Exploring Operation: 72/36=2, Resulting Numbers: [18, 2] Generated Node #0,1,1: 38:[18, 2] Operation: 72/36=2 Exploring Operation: 72-36=36, Resulting Numbers: [18, 36] Generated Node #0,1,2: 38:[18, 36] Operation: 72-36=36 Exploring Operation: 72-18=54, Resulting Numbers: [36, 54] Generated Node #0,1,3: 38:[36, 54] Operation: 72-18=54 Moving to Node #0,0 Current State: 38:[84, 18, 24], Operations: ['72-48=24'] Exploring Operation: 18+24=42, Resulting Numbers: [84, 42] Generated Node #0,0,0: 38:[84, 42] Operation: 18+24=42 Exploring Operation: 84-24=60, Resulting Numbers: [18, 60] Generated Node #0,0,1: 38:[18, 60] Operation: 84-24=60 Exploring Operation: 24-18=6, Resulting Numbers: [84, 6] Generated Node #0,0,2: 38:[84, 6] Operation: 24-18=6 Exploring Operation: 84-18=66, Resulting Numbers: [24, 66] Generated Node #0,0,3: 38:[24, 66] Operation: 84-18=66 Moving to Node #0,2 Current State: 38:[84, 48, 4], Operations: ['72/18=4'] Exploring Operation: 84-4=80, Resulting Numbers: [48, 80] Generated Node #0,2,0: 38:[48, 80] Operation: 84-4=80 Exploring Operation: 84/4=21, Resulting Numbers: [48, 21] Generated Node #0,2,1: 38:[48, 21] Operation: 84/4=21 Exploring Operation: 48-4=44, Resulting Numbers: [84, 44] Generated Node #0,2,2: 38:[84, 44] Operation: 48-4=44 Exploring Operation: 84-48=36, Resulting Numbers: [4, 36] Generated Node #0,2,3: 38:[4, 36] Operation: 84-48=36 Moving to Node #0,1,1 Current State: 38:[18, 2], Operations: ['84-48=36', '72/36=2'] Exploring Operation: 18+2=20, Resulting Numbers: [20] 20,38 unequal: No Solution Exploring Operation: 18/2=9, Resulting Numbers: [9] 9,38 unequal: No Solution Exploring Operation: 18*2=36, Resulting Numbers: [36] 36,38 unequal: No Solution Exploring Operation: 18-2=16, Resulting Numbers: [16] 16,38 unequal: No Solution Moving to Node #0,1,2 Current State: 38:[18, 36], Operations: ['84-48=36', '72-36=36'] Exploring Operation: 36-18=18, Resulting Numbers: [18] 18,38 unequal: No Solution Exploring Operation: 18+36=54, Resulting Numbers: [54] 54,38 unequal: No Solution Exploring Operation: 18*36=648, Resulting Numbers: [648] 648,38 unequal: No Solution Exploring Operation: 36/18=2, Resulting Numbers: [2] 2,38 unequal: No Solution Moving to Node #0,3,0 Current State: 38:[18, 4], Operations: ['84-72=12', '48/12=4'] Exploring Operation: 18-4=14, Resulting Numbers: [14] 14,38 unequal: No Solution Exploring Operation: 18*4=72, Resulting Numbers: [72] 72,38 unequal: No Solution Exploring Operation: 18+4=22, Resulting Numbers: [22] 22,38 unequal: No Solution Moving to Node #0,3,1 Current State: 38:[18, 36], Operations: ['84-72=12', '48-12=36'] Exploring Operation: 18*36=648, Resulting Numbers: [648] 648,38 unequal: No Solution Exploring Operation: 36-18=18, Resulting Numbers: [18] 18,38 unequal: No Solution Exploring Operation: 18+36=54, Resulting Numbers: [54] 54,38 unequal: No Solution Exploring Operation: 36/18=2, Resulting Numbers: [2] 2,38 unequal: No Solution Moving to Node #0,1,0 Current State: 38:[36, 4], Operations: ['84-48=36', '72/18=4'] Exploring Operation: 36+4=40, Resulting Numbers: [40] 40,38 unequal: No Solution Exploring Operation: 36*4=144, Resulting Numbers: [144] 144,38 unequal: No Solution Exploring Operation: 36-4=32, Resulting Numbers: [32] 32,38 unequal: No Solution Exploring Operation: 36/4=9, Resulting Numbers: [9] 9,38 unequal: No Solution Moving to Node #0,2,3 Current State: 38:[4, 36], Operations: ['72/18=4', '84-48=36'] Exploring Operation: 36/4=9, Resulting Numbers: [9] 9,38 unequal: No Solution Exploring Operation: 4*36=144, Resulting Numbers: [144] 144,38 unequal: No Solution Exploring Operation: 4+36=40, Resulting Numbers: [40] 40,38 unequal: No Solution Exploring Operation: 36-4=32, Resulting Numbers: [32] 32,38 unequal: No Solution Moving to Node #0,2,1 Current State: 38:[48, 21], Operations: ['72/18=4', '84/4=21'] Exploring Operation: 48+21=69, Resulting Numbers: [69] 69,38 unequal: No Solution Exploring Operation: 48-21=27, Resulting Numbers: [27] 27,38 unequal: No Solution Exploring Operation: 48*21=1008, Resulting Numbers: [1008] 1008,38 unequal: No Solution Moving to Node #0,3,2 Current State: 38:[48, 6], Operations: ['84-72=12', '18-12=6'] Exploring Operation: 48+6=54, Resulting Numbers: [54] 54,38 unequal: No Solution Exploring Operation: 48*6=288, Resulting Numbers: [288] 288,38 unequal: No Solution Exploring Operation: 48/6=8, Resulting Numbers: [8] 8,38 unequal: No Solution Exploring Operation: 48-6=42, Resulting Numbers: [42] 42,38 unequal: No Solution Moving to Node #0,3,3 Current State: 38:[12, 30], Operations: ['84-72=12', '48-18=30'] Exploring Operation: 12*30=360, Resulting Numbers: [360] 360,38 unequal: No Solution Exploring Operation: 30-12=18, Resulting Numbers: [18] 18,38 unequal: No Solution Exploring Operation: 12+30=42, Resulting Numbers: [42] 42,38 unequal: No Solution Moving to Node #0,1,3 Current State: 38:[36, 54], Operations: ['84-48=36', '72-18=54'] Exploring Operation: 36+54=90, Resulting Numbers: [90] 90,38 unequal: No Solution Exploring Operation: 54-36=18, Resulting Numbers: [18] 18,38 unequal: No Solution Exploring Operation: 36*54=1944, Resulting Numbers: [1944] 1944,38 unequal: No Solution Moving to Node #0,0,1 Current State: 38:[18, 60], Operations: ['72-48=24', '84-24=60'] Exploring Operation: 18+60=78, Resulting Numbers: [78] 78,38 unequal: No Solution Exploring Operation: 60-18=42, Resulting Numbers: [42] 42,38 unequal: No Solution Exploring Operation: 18*60=1080, Resulting Numbers: [1080] 1080,38 unequal: No Solution Moving to Node #0,0,3 Current State: 38:[24, 66], Operations: ['72-48=24', '84-18=66'] Exploring Operation: 24*66=1584, Resulting Numbers: [1584] 1584,38 unequal: No Solution Exploring Operation: 66-24=42, Resulting Numbers: [42] 42,38 unequal: No Solution Exploring Operation: 24+66=90, Resulting Numbers: [90] 90,38 unequal: No Solution Moving to Node #0,0,2 Current State: 38:[84, 6], Operations: ['72-48=24', '24-18=6'] Exploring Operation: 84-6=78, Resulting Numbers: [78] 78,38 unequal: No Solution Exploring Operation: 84*6=504, Resulting Numbers: [504] 504,38 unequal: No Solution Exploring Operation: 84/6=14, Resulting Numbers: [14] 14,38 unequal: No Solution Exploring Operation: 84+6=90, Resulting Numbers: [90] 90,38 unequal: No Solution Moving to Node #0,0,0 Current State: 38:[84, 42], Operations: ['72-48=24', '18+24=42'] Exploring Operation: 84+42=126, Resulting Numbers: [126] 126,38 unequal: No Solution Exploring Operation: 84-42=42, Resulting Numbers: [42] 42,38 unequal: No Solution Exploring Operation: 84*42=3528, Resulting Numbers: [3528] 3528,38 unequal: No Solution Exploring Operation: 84/42=2, Resulting Numbers: [2] 2,38 unequal: No Solution Moving to Node #0,2,2 Current State: 38:[84, 44], Operations: ['72/18=4', '48-4=44'] Exploring Operation: 84-44=40, Resulting Numbers: [40] 40,38 unequal: No Solution Exploring Operation: 84*44=3696, Resulting Numbers: [3696] 3696,38 unequal: No Solution Exploring Operation: 84+44=128, Resulting Numbers: [128] 128,38 unequal: No Solution Moving to Node #0,2,0 Current State: 38:[48, 80], Operations: ['72/18=4', '84-4=80'] Exploring Operation: 80-48=32, Resulting Numbers: [32] 32,38 unequal: No Solution Exploring Operation: 48*80=3840, Resulting Numbers: [3840] 3840,38 unequal: No Solution Exploring Operation: 48+80=128, Resulting Numbers: [128] 128,38 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 20, 55, 81, 73 ]
56
[ "81+73=154", "20*154=3080", "3080/55=56" ]
Current State: 56:[20, 55, 81, 73], Operations: [] Exploring Operation: 81+73=154, Resulting Numbers: [20, 55, 154] Generated Node #2: [20, 55, 154] from Operation: 81+73=154 Current State: 56:[20, 55, 154], Operations: ['81+73=154'] Exploring Operation: 20*154=3080, Resulting Numbers: [55, 3080] Generated Node #3: [55, 3080] from Operation: 20*154=3080 Current State: 56:[55, 3080], Operations: ['81+73=154', '20*154=3080'] Exploring Operation: 3080/55=56, Resulting Numbers: [56] 56,56 equal: Goal Reached
4
Current State: 56:[20, 55, 81, 73], Operations: [] Exploring Operation: 81-55=26, Resulting Numbers: [20, 73, 26] Generated Node #0,0: 56:[20, 73, 26] Operation: 81-55=26 Exploring Operation: 81-73=8, Resulting Numbers: [20, 55, 8] Generated Node #0,1: 56:[20, 55, 8] Operation: 81-73=8 Exploring Operation: 81-20=61, Resulting Numbers: [55, 73, 61] Generated Node #0,2: 56:[55, 73, 61] Operation: 81-20=61 Moving to Node #0,1 Current State: 56:[20, 55, 8], Operations: ['81-73=8'] Exploring Operation: 55-20=35, Resulting Numbers: [8, 35] Generated Node #0,1,0: 56:[8, 35] Operation: 55-20=35 Exploring Operation: 20+8=28, Resulting Numbers: [55, 28] Generated Node #0,1,1: 56:[55, 28] Operation: 20+8=28 Exploring Operation: 20-8=12, Resulting Numbers: [55, 12] Generated Node #0,1,2: 56:[55, 12] Operation: 20-8=12 Moving to Node #0,2 Current State: 56:[55, 73, 61], Operations: ['81-20=61'] Exploring Operation: 73-55=18, Resulting Numbers: [61, 18] Generated Node #0,2,0: 56:[61, 18] Operation: 73-55=18 Exploring Operation: 73-61=12, Resulting Numbers: [55, 12] Generated Node #0,2,1: 56:[55, 12] Operation: 73-61=12 Exploring Operation: 61-55=6, Resulting Numbers: [73, 6] Generated Node #0,2,2: 56:[73, 6] Operation: 61-55=6 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 56:[55, 12], Operations: ['81-20=61', '73-61=12'] Exploring Operation: 55-12=43, Resulting Numbers: [43] 43,56 unequal: No Solution Exploring Operation: 55*12=660, Resulting Numbers: [660] 660,56 unequal: No Solution Exploring Operation: 55+12=67, Resulting Numbers: [67] 67,56 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 56:[61, 18], Operations: ['81-20=61', '73-55=18'] Exploring Operation: 61+18=79, Resulting Numbers: [79] 79,56 unequal: No Solution Exploring Operation: 61*18=1098, Resulting Numbers: [1098] 1098,56 unequal: No Solution Exploring Operation: 61-18=43, Resulting Numbers: [43] 43,56 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 56:[73, 6], Operations: ['81-20=61', '61-55=6'] Exploring Operation: 73*6=438, Resulting Numbers: [438] 438,56 unequal: No Solution Exploring Operation: 73+6=79, Resulting Numbers: [79] 79,56 unequal: No Solution Exploring Operation: 73-6=67, Resulting Numbers: [67] 67,56 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: 56:[20, 73, 26], Operations: ['81-55=26'] Exploring Operation: 26-20=6, Resulting Numbers: [73, 6] Generated Node #0,0,0: 56:[73, 6] Operation: 26-20=6 Exploring Operation: 73-20=53, Resulting Numbers: [26, 53] Generated Node #0,0,1: 56:[26, 53] Operation: 73-20=53 Exploring Operation: 73-26=47, Resulting Numbers: [20, 47] Generated Node #0,0,2: 56:[20, 47] Operation: 73-26=47 Moving to Node #0,1,1 Current State: 56:[55, 28], Operations: ['81-73=8', '20+8=28'] Exploring Operation: 55*28=1540, Resulting Numbers: [1540] 1540,56 unequal: No Solution Exploring Operation: 55-28=27, Resulting Numbers: [27] 27,56 unequal: No Solution Exploring Operation: 55+28=83, Resulting Numbers: [83] 83,56 unequal: No Solution Moving to Node #0,1,2 Current State: 56:[55, 12], Operations: ['81-73=8', '20-8=12'] Exploring Operation: 55+12=67, Resulting Numbers: [67] 67,56 unequal: No Solution Exploring Operation: 55-12=43, Resulting Numbers: [43] 43,56 unequal: No Solution Exploring Operation: 55*12=660, Resulting Numbers: [660] 660,56 unequal: No Solution Moving to Node #0,0,1 Current State: 56:[26, 53], Operations: ['81-55=26', '73-20=53'] Exploring Operation: 26*53=1378, Resulting Numbers: [1378] 1378,56 unequal: No Solution Exploring Operation: 26+53=79, Resulting Numbers: [79] 79,56 unequal: No Solution Exploring Operation: 53-26=27, Resulting Numbers: [27] 27,56 unequal: No Solution Moving to Node #0,1,0 Current State: 56:[8, 35], Operations: ['81-73=8', '55-20=35'] Exploring Operation: 8*35=280, Resulting Numbers: [280] 280,56 unequal: No Solution Exploring Operation: 8+35=43, Resulting Numbers: [43] 43,56 unequal: No Solution Exploring Operation: 35-8=27, Resulting Numbers: [27] 27,56 unequal: No Solution Moving to Node #0,0,2 Current State: 56:[20, 47], Operations: ['81-55=26', '73-26=47'] Exploring Operation: 47-20=27, Resulting Numbers: [27] 27,56 unequal: No Solution Exploring Operation: 20*47=940, Resulting Numbers: [940] 940,56 unequal: No Solution Exploring Operation: 20+47=67, Resulting Numbers: [67] 67,56 unequal: No Solution Moving to Node #0,0,0 Current State: 56:[73, 6], Operations: ['81-55=26', '26-20=6'] Exploring Operation: 73+6=79, Resulting Numbers: [79] 79,56 unequal: No Solution Exploring Operation: 73-6=67, Resulting Numbers: [67] 67,56 unequal: No Solution Exploring Operation: 73*6=438, Resulting Numbers: [438] 438,56 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 31, 19, 45, 3 ]
47
[ "45-19=26", "3*26=78", "78-31=47" ]
Current State: 47:[31, 19, 45, 3], Operations: [] Exploring Operation: 45-19=26, Resulting Numbers: [31, 3, 26] Generated Node #2: [31, 3, 26] from Operation: 45-19=26 Current State: 47:[31, 3, 26], Operations: ['45-19=26'] Exploring Operation: 3*26=78, Resulting Numbers: [31, 78] Generated Node #3: [31, 78] from Operation: 3*26=78 Current State: 47:[31, 78], Operations: ['45-19=26', '3*26=78'] Exploring Operation: 78-31=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[31, 19, 45, 3], Operations: [] Exploring Operation: 19*3=57, Resulting Numbers: [31, 45, 57] Generated Node #0,0: 47:[31, 45, 57] Operation: 19*3=57 Moving to Node #0,0 Current State: 47:[31, 45, 57], Operations: ['19*3=57'] Exploring Operation: 57-31=26, Resulting Numbers: [45, 26] Generated Node #0,0,0: 47:[45, 26] Operation: 57-31=26 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 47:[45, 26], Operations: ['19*3=57', '57-31=26'] Exploring Operation: 45+26=71, Resulting Numbers: [71] 71,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 84, 79, 16, 26 ]
47
[ "84-79=5", "16+26=42", "5+42=47" ]
Current State: 47:[84, 79, 16, 26], Operations: [] Exploring Operation: 84-79=5, Resulting Numbers: [16, 26, 5] Generated Node #2: [16, 26, 5] from Operation: 84-79=5 Current State: 47:[16, 26, 5], Operations: ['84-79=5'] Exploring Operation: 16+26=42, Resulting Numbers: [5, 42] Generated Node #3: [5, 42] from Operation: 16+26=42 Current State: 47:[5, 42], Operations: ['84-79=5', '16+26=42'] Exploring Operation: 5+42=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[84, 79, 16, 26], Operations: [] Exploring Operation: 79-26=53, Resulting Numbers: [84, 16, 53] Generated Node #0,0: 47:[84, 16, 53] Operation: 79-26=53 Exploring Operation: 84-26=58, Resulting Numbers: [79, 16, 58] Generated Node #0,1: 47:[79, 16, 58] Operation: 84-26=58 Exploring Operation: 79-16=63, Resulting Numbers: [84, 26, 63] Generated Node #0,2: 47:[84, 26, 63] Operation: 79-16=63 Exploring Operation: 84-16=68, Resulting Numbers: [79, 26, 68] Generated Node #0,3: 47:[79, 26, 68] Operation: 84-16=68 Exploring Operation: 16+26=42, Resulting Numbers: [84, 79, 42] Generated Node #0,4: 47:[84, 79, 42] Operation: 16+26=42 Moving to Node #0,0 Current State: 47:[84, 16, 53], Operations: ['79-26=53'] Exploring Operation: 84-53=31, Resulting Numbers: [16, 31] Generated Node #0,0,0: 47:[16, 31] Operation: 84-53=31 Exploring Operation: 84-16=68, Resulting Numbers: [53, 68] Generated Node #0,0,1: 47:[53, 68] Operation: 84-16=68 Exploring Operation: 53-16=37, Resulting Numbers: [84, 37] Generated Node #0,0,2: 47:[84, 37] Operation: 53-16=37 Exploring Operation: 16+53=69, Resulting Numbers: [84, 69] Generated Node #0,0,3: 47:[84, 69] Operation: 16+53=69 Exploring Operation: 84+16=100, Resulting Numbers: [53, 100] Generated Node #0,0,4: 47:[53, 100] Operation: 84+16=100 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 47:[53, 68], Operations: ['79-26=53', '84-16=68'] Exploring Operation: 53*68=3604, Resulting Numbers: [3604] 3604,47 unequal: No Solution Exploring Operation: 53+68=121, Resulting Numbers: [121] 121,47 unequal: No Solution Exploring Operation: 68-53=15, Resulting Numbers: [15] 15,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 47:[16, 31], Operations: ['79-26=53', '84-53=31'] Exploring Operation: 16+31=47, Resulting Numbers: [47] 47,47 equal: Goal Reached Moving to Node #0 Current State: 47:[84, 79, 16, 26], Operations: [] Exploring Operation: 79-26=53, Resulting Numbers: [84, 16, 53] Generated Node #0,0: 47:[84, 16, 53] Operation: 79-26=53 Moving to Node #0,0 Current State: 47:[84, 16, 53], Operations: ['79-26=53'] Exploring Operation: 84-53=31, Resulting Numbers: [16, 31] Generated Node #0,0,0: 47:[16, 31] Operation: 84-53=31 Moving to Node #0,0,0 Current State: 47:[16, 31], Operations: ['79-26=53', '84-53=31'] Exploring Operation: 16+31=47, Resulting Numbers: [47] 47,47 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_5
sum_heuristic
[ 81, 90, 25, 85 ]
99
[ "25+85=110", "81*110=8910", "8910/90=99" ]
Current State: 99:[81, 90, 25, 85], Operations: [] Exploring Operation: 25+85=110, Resulting Numbers: [81, 90, 110] Generated Node #2: [81, 90, 110] from Operation: 25+85=110 Current State: 99:[81, 90, 110], Operations: ['25+85=110'] Exploring Operation: 81*110=8910, Resulting Numbers: [90, 8910] Generated Node #3: [90, 8910] from Operation: 81*110=8910 Current State: 99:[90, 8910], Operations: ['25+85=110', '81*110=8910'] Exploring Operation: 8910/90=99, Resulting Numbers: [99] 99,99 equal: Goal Reached
4
Current State: 99:[81, 90, 25, 85], Operations: [] Exploring Operation: 85-81=4, Resulting Numbers: [90, 25, 4] Generated Node #0,0: 99:[90, 25, 4] Operation: 85-81=4 Start Sub Search at level 1: Moving to Node #0,0 Current State: 99:[90, 25, 4], Operations: ['85-81=4'] Exploring Operation: 25*4=100, Resulting Numbers: [90, 100] Generated Node #0,0,0: 99:[90, 100] Operation: 25*4=100 Moving to Node #0,0,0 Current State: 99:[90, 100], Operations: ['85-81=4', '25*4=100'] Exploring Operation: 100-90=10, Resulting Numbers: [10] 10,99 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
[ 11, 8, 96, 99 ]
100
[ "99-11=88", "96/8=12", "88+12=100" ]
Current State: 100:[11, 8, 96, 99], Operations: [] Exploring Operation: 99-11=88, Resulting Numbers: [8, 96, 88] Generated Node #2: [8, 96, 88] from Operation: 99-11=88 Current State: 100:[8, 96, 88], Operations: ['99-11=88'] Exploring Operation: 96/8=12, Resulting Numbers: [88, 12] Generated Node #3: [88, 12] from Operation: 96/8=12 Current State: 100:[88, 12], Operations: ['99-11=88', '96/8=12'] Exploring Operation: 88+12=100, Resulting Numbers: [100] 100,100 equal: Goal Reached
4
Current State: 100:[11, 8, 96, 99], Operations: [] Exploring Operation: 96/8=12, Resulting Numbers: [11, 99, 12] Generated Node #0,0: 100:[11, 99, 12] Operation: 96/8=12 Exploring Operation: 11-8=3, Resulting Numbers: [96, 99, 3] Generated Node #0,1: 100:[96, 99, 3] Operation: 11-8=3 Exploring Operation: 99-96=3, Resulting Numbers: [11, 8, 3] Generated Node #0,2: 100:[11, 8, 3] Operation: 99-96=3 Exploring Operation: 11+8=19, Resulting Numbers: [96, 99, 19] Generated Node #0,3: 100:[96, 99, 19] Operation: 11+8=19 Exploring Operation: 8+96=104, Resulting Numbers: [11, 99, 104] Generated Node #0,4: 100:[11, 99, 104] Operation: 8+96=104 Start Sub Search at level 1: Moving to Node #0,0 Current State: 100:[11, 99, 12], Operations: ['96/8=12'] Exploring Operation: 11+12=23, Resulting Numbers: [99, 23] Generated Node #0,0,0: 100:[99, 23] Operation: 11+12=23 Exploring Operation: 11+99=110, Resulting Numbers: [12, 110] Generated Node #0,0,1: 100:[12, 110] Operation: 11+99=110 Exploring Operation: 99+12=111, Resulting Numbers: [11, 111] Generated Node #0,0,2: 100:[11, 111] Operation: 99+12=111 Exploring Operation: 12-11=1, Resulting Numbers: [99, 1] Generated Node #0,0,3: 100:[99, 1] Operation: 12-11=1 Exploring Operation: 99/11=9, Resulting Numbers: [12, 9] Generated Node #0,0,4: 100:[12, 9] Operation: 99/11=9 Moving to Node #0,0,3 Current State: 100:[99, 1], Operations: ['96/8=12', '12-11=1'] Exploring Operation: 99*1=99, Resulting Numbers: [99] 99,100 unequal: No Solution Exploring Operation: 99+1=100, Resulting Numbers: [100] 100,100 equal: Goal Reached Moving to Node #0 Current State: 100:[11, 8, 96, 99], Operations: [] Exploring Operation: 96/8=12, Resulting Numbers: [11, 99, 12] Generated Node #0,0: 100:[11, 99, 12] Operation: 96/8=12 Moving to Node #0,0 Current State: 100:[11, 99, 12], Operations: ['96/8=12'] Exploring Operation: 12-11=1, Resulting Numbers: [99, 1] Generated Node #0,0,3: 100:[99, 1] Operation: 12-11=1 Moving to Node #0,0,3 Current State: 100:[99, 1], Operations: ['96/8=12', '12-11=1'] Exploring Operation: 99+1=100, Resulting Numbers: [100] 100,100 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_5
mult_heuristic
[ 16, 15, 35, 59 ]
94
[ "16-15=1", "35+59=94", "1*94=94" ]
Current State: 94:[16, 15, 35, 59], Operations: [] Exploring Operation: 16-15=1, Resulting Numbers: [35, 59, 1] Generated Node #2: [35, 59, 1] from Operation: 16-15=1 Current State: 94:[35, 59, 1], Operations: ['16-15=1'] Exploring Operation: 35+59=94, Resulting Numbers: [1, 94] Generated Node #3: [1, 94] from Operation: 35+59=94 Current State: 94:[1, 94], Operations: ['16-15=1', '35+59=94'] Exploring Operation: 1*94=94, Resulting Numbers: [94] 94,94 equal: Goal Reached
4
Current State: 94:[16, 15, 35, 59], Operations: [] Exploring Operation: 16+35=51, Resulting Numbers: [15, 59, 51] Generated Node #0,0: 94:[15, 59, 51] Operation: 16+35=51 Exploring Operation: 16-15=1, Resulting Numbers: [35, 59, 1] Generated Node #0,1: 94:[35, 59, 1] Operation: 16-15=1 Exploring Operation: 35+59=94, Resulting Numbers: [16, 15, 94] Generated Node #0,2: 94:[16, 15, 94] Operation: 35+59=94 Moving to Node #0,1 Current State: 94:[35, 59, 1], Operations: ['16-15=1'] Exploring Operation: 35+59=94, Resulting Numbers: [1, 94] Generated Node #0,1,0: 94:[1, 94] Operation: 35+59=94 Exploring Operation: 35+1=36, Resulting Numbers: [59, 36] Generated Node #0,1,1: 94:[59, 36] Operation: 35+1=36 Exploring Operation: 59-35=24, Resulting Numbers: [1, 24] Generated Node #0,1,2: 94:[1, 24] Operation: 59-35=24 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 94:[1, 94], Operations: ['16-15=1', '35+59=94'] Exploring Operation: 94/1=94, Resulting Numbers: [94] 94,94 equal: Goal Reached Moving to Node #0 Current State: 94:[16, 15, 35, 59], Operations: [] Exploring Operation: 16-15=1, Resulting Numbers: [35, 59, 1] Generated Node #0,1: 94:[35, 59, 1] Operation: 16-15=1 Moving to Node #0,1 Current State: 94:[35, 59, 1], Operations: ['16-15=1'] Exploring Operation: 35+59=94, Resulting Numbers: [1, 94] Generated Node #0,1,0: 94:[1, 94] Operation: 35+59=94 Moving to Node #0,1,0 Current State: 94:[1, 94], Operations: ['16-15=1', '35+59=94'] Exploring Operation: 94/1=94, Resulting Numbers: [94] 94,94 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_3
mult_heuristic
[ 19, 14, 38, 86 ]
93
[ "19*14=266", "266/38=7", "86+7=93" ]
Current State: 93:[19, 14, 38, 86], Operations: [] Exploring Operation: 19*14=266, Resulting Numbers: [38, 86, 266] Generated Node #2: [38, 86, 266] from Operation: 19*14=266 Current State: 93:[38, 86, 266], Operations: ['19*14=266'] Exploring Operation: 266/38=7, Resulting Numbers: [86, 7] Generated Node #3: [86, 7] from Operation: 266/38=7 Current State: 93:[86, 7], Operations: ['19*14=266', '266/38=7'] Exploring Operation: 86+7=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
4
Current State: 93:[19, 14, 38, 86], Operations: [] Exploring Operation: 19+14=33, Resulting Numbers: [38, 86, 33] Generated Node #0,0: 93:[38, 86, 33] Operation: 19+14=33 Start Sub Search at level 1: Moving to Node #0,0 Current State: 93:[38, 86, 33], Operations: ['19+14=33'] Exploring Operation: 38-33=5, Resulting Numbers: [86, 5] Generated Node #0,0,0: 93:[86, 5] Operation: 38-33=5 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 93:[86, 5], Operations: ['19+14=33', '38-33=5'] Exploring Operation: 86+5=91, Resulting Numbers: [91] 91,93 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
[ 35, 82, 23, 61 ]
58
[ "82+23=105", "105/35=3", "61-3=58" ]
Current State: 58:[35, 82, 23, 61], Operations: [] Exploring Operation: 82+23=105, Resulting Numbers: [35, 61, 105] Generated Node #2: [35, 61, 105] from Operation: 82+23=105 Current State: 58:[35, 61, 105], Operations: ['82+23=105'] Exploring Operation: 105/35=3, Resulting Numbers: [61, 3] Generated Node #3: [61, 3] from Operation: 105/35=3 Current State: 58:[61, 3], Operations: ['82+23=105', '105/35=3'] Exploring Operation: 61-3=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[35, 82, 23, 61], Operations: [] Exploring Operation: 35+23=58, Resulting Numbers: [82, 61, 58] Generated Node #0,0: 58:[82, 61, 58] Operation: 35+23=58 Exploring Operation: 82-23=59, Resulting Numbers: [35, 61, 59] Generated Node #0,1: 58:[35, 61, 59] Operation: 82-23=59 Exploring Operation: 82-35=47, Resulting Numbers: [23, 61, 47] Generated Node #0,2: 58:[23, 61, 47] Operation: 82-35=47 Exploring Operation: 82-61=21, Resulting Numbers: [35, 23, 21] Generated Node #0,3: 58:[35, 23, 21] Operation: 82-61=21 Exploring Operation: 61-35=26, Resulting Numbers: [82, 23, 26] Generated Node #0,4: 58:[82, 23, 26] Operation: 61-35=26 Start Sub Search at level 1: Moving to Node #0,1 Current State: 58:[35, 61, 59], Operations: ['82-23=59'] Exploring Operation: 61-59=2, Resulting Numbers: [35, 2] Generated Node #0,1,0: 58:[35, 2] Operation: 61-59=2 Exploring Operation: 61-35=26, Resulting Numbers: [59, 26] Generated Node #0,1,1: 58:[59, 26] Operation: 61-35=26 Exploring Operation: 35+61=96, Resulting Numbers: [59, 96] Generated Node #0,1,2: 58:[59, 96] Operation: 35+61=96 Exploring Operation: 59-35=24, Resulting Numbers: [61, 24] Generated Node #0,1,3: 58:[61, 24] Operation: 59-35=24 Exploring Operation: 35+59=94, Resulting Numbers: [61, 94] Generated Node #0,1,4: 58:[61, 94] Operation: 35+59=94 Moving to Node #0,1,1 Current State: 58:[59, 26], Operations: ['82-23=59', '61-35=26'] Exploring Operation: 59-26=33, Resulting Numbers: [33] 33,58 unequal: No Solution Exploring Operation: 59*26=1534, Resulting Numbers: [1534] 1534,58 unequal: No Solution Exploring Operation: 59+26=85, Resulting Numbers: [85] 85,58 unequal: No Solution Moving to Node #0,1,0 Current State: 58:[35, 2], Operations: ['82-23=59', '61-59=2'] Exploring Operation: 35-2=33, Resulting Numbers: [33] 33,58 unequal: No Solution Exploring Operation: 35*2=70, Resulting Numbers: [70] 70,58 unequal: No Solution Exploring Operation: 35+2=37, Resulting Numbers: [37] 37,58 unequal: No Solution Moving to Node #0,1,3 Current State: 58:[61, 24], Operations: ['82-23=59', '59-35=24'] Exploring Operation: 61-24=37, Resulting Numbers: [37] 37,58 unequal: No Solution Exploring Operation: 61*24=1464, Resulting Numbers: [1464] 1464,58 unequal: No Solution Exploring Operation: 61+24=85, Resulting Numbers: [85] 85,58 unequal: No Solution Moving to Node #0,1,2 Current State: 58:[59, 96], Operations: ['82-23=59', '35+61=96'] Exploring Operation: 59+96=155, Resulting Numbers: [155] 155,58 unequal: No Solution Exploring Operation: 59*96=5664, Resulting Numbers: [5664] 5664,58 unequal: No Solution Exploring Operation: 96-59=37, Resulting Numbers: [37] 37,58 unequal: No Solution Moving to Node #0,1,4 Current State: 58:[61, 94], Operations: ['82-23=59', '35+59=94'] Exploring Operation: 61+94=155, Resulting Numbers: [155] 155,58 unequal: No Solution Exploring Operation: 94-61=33, Resulting Numbers: [33] 33,58 unequal: No Solution Exploring Operation: 61*94=5734, Resulting Numbers: [5734] 5734,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 58:[23, 61, 47], Operations: ['82-35=47'] Exploring Operation: 61-23=38, Resulting Numbers: [47, 38] Generated Node #0,2,0: 58:[47, 38] Operation: 61-23=38 Exploring Operation: 23+61=84, Resulting Numbers: [47, 84] Generated Node #0,2,1: 58:[47, 84] Operation: 23+61=84 Exploring Operation: 23+47=70, Resulting Numbers: [61, 70] Generated Node #0,2,2: 58:[61, 70] Operation: 23+47=70 Exploring Operation: 47-23=24, Resulting Numbers: [61, 24] Generated Node #0,2,3: 58:[61, 24] Operation: 47-23=24 Exploring Operation: 61-47=14, Resulting Numbers: [23, 14] Generated Node #0,2,4: 58:[23, 14] Operation: 61-47=14 Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 58:[61, 24], Operations: ['82-35=47', '47-23=24'] Exploring Operation: 61+24=85, Resulting Numbers: [85] 85,58 unequal: No Solution Exploring Operation: 61-24=37, Resulting Numbers: [37] 37,58 unequal: No Solution Exploring Operation: 61*24=1464, Resulting Numbers: [1464] 1464,58 unequal: No Solution No 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: 58:[61, 70], Operations: ['82-35=47', '23+47=70'] Exploring Operation: 61+70=131, Resulting Numbers: [131] 131,58 unequal: No Solution Exploring Operation: 70-61=9, Resulting Numbers: [9] 9,58 unequal: No Solution Exploring Operation: 61*70=4270, Resulting Numbers: [4270] 4270,58 unequal: No Solution No 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: 58:[23, 14], Operations: ['82-35=47', '61-47=14'] Exploring Operation: 23-14=9, Resulting Numbers: [9] 9,58 unequal: No Solution Exploring Operation: 23*14=322, Resulting Numbers: [322] 322,58 unequal: No Solution Exploring Operation: 23+14=37, Resulting Numbers: [37] 37,58 unequal: No Solution No 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: 58:[47, 38], Operations: ['82-35=47', '61-23=38'] Exploring Operation: 47+38=85, Resulting Numbers: [85] 85,58 unequal: No Solution Exploring Operation: 47-38=9, Resulting Numbers: [9] 9,58 unequal: No Solution Exploring Operation: 47*38=1786, Resulting Numbers: [1786] 1786,58 unequal: No Solution No 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: 58:[47, 84], Operations: ['82-35=47', '23+61=84'] Exploring Operation: 47*84=3948, Resulting Numbers: [3948] 3948,58 unequal: No Solution Exploring Operation: 47+84=131, Resulting Numbers: [131] 131,58 unequal: No Solution Exploring Operation: 84-47=37, Resulting Numbers: [37] 37,58 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: 58:[35, 23, 21], Operations: ['82-61=21'] Exploring Operation: 35-23=12, Resulting Numbers: [21, 12] Generated Node #0,3,0: 58:[21, 12] Operation: 35-23=12 Exploring Operation: 35+21=56, Resulting Numbers: [23, 56] Generated Node #0,3,1: 58:[23, 56] Operation: 35+21=56 Exploring Operation: 23-21=2, Resulting Numbers: [35, 2] Generated Node #0,3,2: 58:[35, 2] Operation: 23-21=2 Exploring Operation: 35+23=58, Resulting Numbers: [21, 58] Generated Node #0,3,3: 58:[21, 58] Operation: 35+23=58 Exploring Operation: 35-21=14, Resulting Numbers: [23, 14] Generated Node #0,3,4: 58:[23, 14] Operation: 35-21=14 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 58:[35, 2], Operations: ['82-61=21', '23-21=2'] Exploring Operation: 35-2=33, Resulting Numbers: [33] 33,58 unequal: No Solution Exploring Operation: 35*2=70, Resulting Numbers: [70] 70,58 unequal: No Solution Exploring Operation: 35+2=37, Resulting Numbers: [37] 37,58 unequal: No Solution No 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: 58:[23, 56], Operations: ['82-61=21', '35+21=56'] Exploring Operation: 56-23=33, Resulting Numbers: [33] 33,58 unequal: No Solution Exploring Operation: 23+56=79, Resulting Numbers: [79] 79,58 unequal: No Solution Exploring Operation: 23*56=1288, Resulting Numbers: [1288] 1288,58 unequal: No Solution No 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: 58:[21, 58], Operations: ['82-61=21', '35+23=58'] Exploring Operation: 21*58=1218, Resulting Numbers: [1218] 1218,58 unequal: No Solution Exploring Operation: 21+58=79, Resulting Numbers: [79] 79,58 unequal: No Solution Exploring Operation: 58-21=37, Resulting Numbers: [37] 37,58 unequal: No Solution No 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: 58:[21, 12], Operations: ['82-61=21', '35-23=12'] Exploring Operation: 21-12=9, Resulting Numbers: [9] 9,58 unequal: No Solution Exploring Operation: 21+12=33, Resulting Numbers: [33] 33,58 unequal: No Solution Exploring Operation: 21*12=252, Resulting Numbers: [252] 252,58 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 58:[23, 14], Operations: ['82-61=21', '35-21=14'] Exploring Operation: 23-14=9, Resulting Numbers: [9] 9,58 unequal: No Solution Exploring Operation: 23+14=37, Resulting Numbers: [37] 37,58 unequal: No Solution Exploring Operation: 23*14=322, Resulting Numbers: [322] 322,58 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: 58:[82, 61, 58], Operations: ['35+23=58'] Exploring Operation: 61-58=3, Resulting Numbers: [82, 3] Generated Node #0,0,0: 58:[82, 3] Operation: 61-58=3 Exploring Operation: 82-58=24, Resulting Numbers: [61, 24] Generated Node #0,0,1: 58:[61, 24] Operation: 82-58=24 Exploring Operation: 82+61=143, Resulting Numbers: [58, 143] Generated Node #0,0,2: 58:[58, 143] Operation: 82+61=143 Exploring Operation: 82+58=140, Resulting Numbers: [61, 140] Generated Node #0,0,3: 58:[61, 140] Operation: 82+58=140 Exploring Operation: 82-61=21, Resulting Numbers: [58, 21] Generated Node #0,0,4: 58:[58, 21] Operation: 82-61=21 Moving to Node #0,0,1 Current State: 58:[61, 24], Operations: ['35+23=58', '82-58=24'] Exploring Operation: 61*24=1464, Resulting Numbers: [1464] 1464,58 unequal: No Solution Exploring Operation: 61+24=85, Resulting Numbers: [85] 85,58 unequal: No Solution Exploring Operation: 61-24=37, Resulting Numbers: [37] 37,58 unequal: No Solution Moving to Node #0,0,4 Current State: 58:[58, 21], Operations: ['35+23=58', '82-61=21'] Exploring Operation: 58+21=79, Resulting Numbers: [79] 79,58 unequal: No Solution Exploring Operation: 58*21=1218, Resulting Numbers: [1218] 1218,58 unequal: No Solution Exploring Operation: 58-21=37, Resulting Numbers: [37] 37,58 unequal: No Solution Moving to Node #0,0,0 Current State: 58:[82, 3], Operations: ['35+23=58', '61-58=3'] Exploring Operation: 82-3=79, Resulting Numbers: [79] 79,58 unequal: No Solution Exploring Operation: 82*3=246, Resulting Numbers: [246] 246,58 unequal: No Solution Exploring Operation: 82+3=85, Resulting Numbers: [85] 85,58 unequal: No Solution Moving to Node #0,0,2 Current State: 58:[58, 143], Operations: ['35+23=58', '82+61=143'] Exploring Operation: 58*143=8294, Resulting Numbers: [8294] 8294,58 unequal: No Solution Exploring Operation: 58+143=201, Resulting Numbers: [201] 201,58 unequal: No Solution Exploring Operation: 143-58=85, Resulting Numbers: [85] 85,58 unequal: No Solution Moving to Node #0,0,3 Current State: 58:[61, 140], Operations: ['35+23=58', '82+58=140'] Exploring Operation: 140-61=79, Resulting Numbers: [79] 79,58 unequal: No Solution Exploring Operation: 61*140=8540, Resulting Numbers: [8540] 8540,58 unequal: No Solution Exploring Operation: 61+140=201, Resulting Numbers: [201] 201,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 58:[82, 23, 26], Operations: ['61-35=26'] Exploring Operation: 82-26=56, Resulting Numbers: [23, 56] Generated Node #0,4,0: 58:[23, 56] Operation: 82-26=56 Exploring Operation: 82-23=59, Resulting Numbers: [26, 59] Generated Node #0,4,1: 58:[26, 59] Operation: 82-23=59 Exploring Operation: 82+23=105, Resulting Numbers: [26, 105] Generated Node #0,4,2: 58:[26, 105] Operation: 82+23=105 Exploring Operation: 26-23=3, Resulting Numbers: [82, 3] Generated Node #0,4,3: 58:[82, 3] Operation: 26-23=3 Exploring Operation: 23+26=49, Resulting Numbers: [82, 49] Generated Node #0,4,4: 58:[82, 49] Operation: 23+26=49 Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 58:[26, 59], Operations: ['61-35=26', '82-23=59'] Exploring Operation: 59-26=33, Resulting Numbers: [33] 33,58 unequal: No Solution Exploring Operation: 26+59=85, Resulting Numbers: [85] 85,58 unequal: No Solution Exploring Operation: 26*59=1534, Resulting Numbers: [1534] 1534,58 unequal: No Solution No 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: 58:[23, 56], Operations: ['61-35=26', '82-26=56'] Exploring Operation: 56-23=33, Resulting Numbers: [33] 33,58 unequal: No Solution Exploring Operation: 23*56=1288, Resulting Numbers: [1288] 1288,58 unequal: No Solution Exploring Operation: 23+56=79, Resulting Numbers: [79] 79,58 unequal: No Solution No 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: 58:[82, 3], Operations: ['61-35=26', '26-23=3'] Exploring Operation: 82*3=246, Resulting Numbers: [246] 246,58 unequal: No Solution Exploring Operation: 82-3=79, Resulting Numbers: [79] 79,58 unequal: No Solution Exploring Operation: 82+3=85, Resulting Numbers: [85] 85,58 unequal: No Solution No 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: 58:[82, 49], Operations: ['61-35=26', '23+26=49'] Exploring Operation: 82+49=131, Resulting Numbers: [131] 131,58 unequal: No Solution Exploring Operation: 82-49=33, Resulting Numbers: [33] 33,58 unequal: No Solution Exploring Operation: 82*49=4018, Resulting Numbers: [4018] 4018,58 unequal: No Solution No 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: 58:[26, 105], Operations: ['61-35=26', '82+23=105'] Exploring Operation: 26*105=2730, Resulting Numbers: [2730] 2730,58 unequal: No Solution Exploring Operation: 26+105=131, Resulting Numbers: [131] 131,58 unequal: No Solution Exploring Operation: 105-26=79, Resulting Numbers: [79] 79,58 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
[ 58, 39, 55, 67 ]
50
[ "58-55=3", "39*3=117", "117-67=50" ]
Current State: 50:[58, 39, 55, 67], Operations: [] Exploring Operation: 58-55=3, Resulting Numbers: [39, 67, 3] Generated Node #2: [39, 67, 3] from Operation: 58-55=3 Current State: 50:[39, 67, 3], Operations: ['58-55=3'] Exploring Operation: 39*3=117, Resulting Numbers: [67, 117] Generated Node #3: [67, 117] from Operation: 39*3=117 Current State: 50:[67, 117], Operations: ['58-55=3', '39*3=117'] Exploring Operation: 117-67=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[58, 39, 55, 67], Operations: [] Exploring Operation: 58-55=3, Resulting Numbers: [39, 67, 3] Generated Node #0,0: 50:[39, 67, 3] Operation: 58-55=3 Exploring Operation: 58-39=19, Resulting Numbers: [55, 67, 19] Generated Node #0,1: 50:[55, 67, 19] Operation: 58-39=19 Exploring Operation: 67-39=28, Resulting Numbers: [58, 55, 28] Generated Node #0,2: 50:[58, 55, 28] Operation: 67-39=28 Exploring Operation: 67-55=12, Resulting Numbers: [58, 39, 12] Generated Node #0,3: 50:[58, 39, 12] Operation: 67-55=12 Exploring Operation: 67-58=9, Resulting Numbers: [39, 55, 9] Generated Node #0,4: 50:[39, 55, 9] Operation: 67-58=9 Start Sub Search at level 1: Moving to Node #0,2 Current State: 50:[58, 55, 28], Operations: ['67-39=28'] Exploring Operation: 58-28=30, Resulting Numbers: [55, 30] Generated Node #0,2,0: 50:[55, 30] Operation: 58-28=30 Exploring Operation: 58+28=86, Resulting Numbers: [55, 86] Generated Node #0,2,1: 50:[55, 86] Operation: 58+28=86 Exploring Operation: 55+28=83, Resulting Numbers: [58, 83] Generated Node #0,2,2: 50:[58, 83] Operation: 55+28=83 Exploring Operation: 58-55=3, Resulting Numbers: [28, 3] Generated Node #0,2,3: 50:[28, 3] Operation: 58-55=3 Exploring Operation: 55-28=27, Resulting Numbers: [58, 27] Generated Node #0,2,4: 50:[58, 27] Operation: 55-28=27 Moving to Node #0,2,3 Current State: 50:[28, 3], Operations: ['67-39=28', '58-55=3'] Exploring Operation: 28+3=31, Resulting Numbers: [31] 31,50 unequal: No Solution Exploring Operation: 28-3=25, Resulting Numbers: [25] 25,50 unequal: No Solution Exploring Operation: 28*3=84, Resulting Numbers: [84] 84,50 unequal: No Solution Moving to Node #0,2,4 Current State: 50:[58, 27], Operations: ['67-39=28', '55-28=27'] Exploring Operation: 58-27=31, Resulting Numbers: [31] 31,50 unequal: No Solution Exploring Operation: 58*27=1566, Resulting Numbers: [1566] 1566,50 unequal: No Solution Exploring Operation: 58+27=85, Resulting Numbers: [85] 85,50 unequal: No Solution Moving to Node #0,2,0 Current State: 50:[55, 30], Operations: ['67-39=28', '58-28=30'] Exploring Operation: 55*30=1650, Resulting Numbers: [1650] 1650,50 unequal: No Solution Exploring Operation: 55+30=85, Resulting Numbers: [85] 85,50 unequal: No Solution Exploring Operation: 55-30=25, Resulting Numbers: [25] 25,50 unequal: No Solution Moving to Node #0,2,1 Current State: 50:[55, 86], Operations: ['67-39=28', '58+28=86'] Exploring Operation: 55+86=141, Resulting Numbers: [141] 141,50 unequal: No Solution Exploring Operation: 86-55=31, Resulting Numbers: [31] 31,50 unequal: No Solution Exploring Operation: 55*86=4730, Resulting Numbers: [4730] 4730,50 unequal: No Solution Moving to Node #0,2,2 Current State: 50:[58, 83], Operations: ['67-39=28', '55+28=83'] Exploring Operation: 58+83=141, Resulting Numbers: [141] 141,50 unequal: No Solution Exploring Operation: 83-58=25, Resulting Numbers: [25] 25,50 unequal: No Solution Exploring Operation: 58*83=4814, Resulting Numbers: [4814] 4814,50 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 #0,4 Current State: 50:[39, 55, 9], Operations: ['67-58=9'] Exploring Operation: 39-9=30, Resulting Numbers: [55, 30] Generated Node #0,4,0: 50:[55, 30] Operation: 39-9=30 Exploring Operation: 55-9=46, Resulting Numbers: [39, 46] Generated Node #0,4,1: 50:[39, 46] Operation: 55-9=46 Exploring Operation: 55-39=16, Resulting Numbers: [9, 16] Generated Node #0,4,2: 50:[9, 16] Operation: 55-39=16 Exploring Operation: 39+9=48, Resulting Numbers: [55, 48] Generated Node #0,4,3: 50:[55, 48] Operation: 39+9=48 Exploring Operation: 55+9=64, Resulting Numbers: [39, 64] Generated Node #0,4,4: 50:[39, 64] Operation: 55+9=64 Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 50:[9, 16], Operations: ['67-58=9', '55-39=16'] Exploring Operation: 16-9=7, Resulting Numbers: [7] 7,50 unequal: No Solution Exploring Operation: 9*16=144, Resulting Numbers: [144] 144,50 unequal: No Solution Exploring Operation: 9+16=25, Resulting Numbers: [25] 25,50 unequal: No Solution No 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: 50:[55, 48], Operations: ['67-58=9', '39+9=48'] Exploring Operation: 55*48=2640, Resulting Numbers: [2640] 2640,50 unequal: No Solution Exploring Operation: 55-48=7, Resulting Numbers: [7] 7,50 unequal: No Solution Exploring Operation: 55+48=103, Resulting Numbers: [103] 103,50 unequal: No Solution No 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: 50:[55, 30], Operations: ['67-58=9', '39-9=30'] Exploring Operation: 55+30=85, Resulting Numbers: [85] 85,50 unequal: No Solution Exploring Operation: 55*30=1650, Resulting Numbers: [1650] 1650,50 unequal: No Solution Exploring Operation: 55-30=25, Resulting Numbers: [25] 25,50 unequal: No Solution No 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: 50:[39, 46], Operations: ['67-58=9', '55-9=46'] Exploring Operation: 46-39=7, Resulting Numbers: [7] 7,50 unequal: No Solution Exploring Operation: 39*46=1794, Resulting Numbers: [1794] 1794,50 unequal: No Solution Exploring Operation: 39+46=85, Resulting Numbers: [85] 85,50 unequal: No Solution No 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: 50:[39, 64], Operations: ['67-58=9', '55+9=64'] Exploring Operation: 64-39=25, Resulting Numbers: [25] 25,50 unequal: No Solution Exploring Operation: 39+64=103, Resulting Numbers: [103] 103,50 unequal: No Solution Exploring Operation: 39*64=2496, Resulting Numbers: [2496] 2496,50 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: 50:[58, 39, 12], Operations: ['67-55=12'] Exploring Operation: 58-12=46, Resulting Numbers: [39, 46] Generated Node #0,3,0: 50:[39, 46] Operation: 58-12=46 Exploring Operation: 39-12=27, Resulting Numbers: [58, 27] Generated Node #0,3,1: 50:[58, 27] Operation: 39-12=27 Exploring Operation: 58+12=70, Resulting Numbers: [39, 70] Generated Node #0,3,2: 50:[39, 70] Operation: 58+12=70 Exploring Operation: 58-39=19, Resulting Numbers: [12, 19] Generated Node #0,3,3: 50:[12, 19] Operation: 58-39=19 Exploring Operation: 39+12=51, Resulting Numbers: [58, 51] Generated Node #0,3,4: 50:[58, 51] Operation: 39+12=51 Moving to Node #0,3,3 Current State: 50:[12, 19], Operations: ['67-55=12', '58-39=19'] Exploring Operation: 12*19=228, Resulting Numbers: [228] 228,50 unequal: No Solution Exploring Operation: 12+19=31, Resulting Numbers: [31] 31,50 unequal: No Solution Exploring Operation: 19-12=7, Resulting Numbers: [7] 7,50 unequal: No Solution Moving to Node #0,3,4 Current State: 50:[58, 51], Operations: ['67-55=12', '39+12=51'] Exploring Operation: 58*51=2958, Resulting Numbers: [2958] 2958,50 unequal: No Solution Exploring Operation: 58-51=7, Resulting Numbers: [7] 7,50 unequal: No Solution Exploring Operation: 58+51=109, Resulting Numbers: [109] 109,50 unequal: No Solution Moving to Node #0,3,1 Current State: 50:[58, 27], Operations: ['67-55=12', '39-12=27'] Exploring Operation: 58+27=85, Resulting Numbers: [85] 85,50 unequal: No Solution Exploring Operation: 58-27=31, Resulting Numbers: [31] 31,50 unequal: No Solution Exploring Operation: 58*27=1566, Resulting Numbers: [1566] 1566,50 unequal: No Solution Moving to Node #0,3,0 Current State: 50:[39, 46], Operations: ['67-55=12', '58-12=46'] Exploring Operation: 39+46=85, Resulting Numbers: [85] 85,50 unequal: No Solution Exploring Operation: 46-39=7, Resulting Numbers: [7] 7,50 unequal: No Solution Exploring Operation: 39*46=1794, Resulting Numbers: [1794] 1794,50 unequal: No Solution Moving to Node #0,3,2 Current State: 50:[39, 70], Operations: ['67-55=12', '58+12=70'] Exploring Operation: 70-39=31, Resulting Numbers: [31] 31,50 unequal: No Solution Exploring Operation: 39+70=109, Resulting Numbers: [109] 109,50 unequal: No Solution Exploring Operation: 39*70=2730, Resulting Numbers: [2730] 2730,50 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 Current State: 50:[55, 67, 19], Operations: ['58-39=19'] Exploring Operation: 55+19=74, Resulting Numbers: [67, 74] Generated Node #0,1,0: 50:[67, 74] Operation: 55+19=74 Exploring Operation: 67-55=12, Resulting Numbers: [19, 12] Generated Node #0,1,1: 50:[19, 12] Operation: 67-55=12 Exploring Operation: 67-19=48, Resulting Numbers: [55, 48] Generated Node #0,1,2: 50:[55, 48] Operation: 67-19=48 Exploring Operation: 67+19=86, Resulting Numbers: [55, 86] Generated Node #0,1,3: 50:[55, 86] Operation: 67+19=86 Exploring Operation: 55-19=36, Resulting Numbers: [67, 36] Generated Node #0,1,4: 50:[67, 36] Operation: 55-19=36 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 50:[55, 48], Operations: ['58-39=19', '67-19=48'] Exploring Operation: 55*48=2640, Resulting Numbers: [2640] 2640,50 unequal: No Solution Exploring Operation: 55+48=103, Resulting Numbers: [103] 103,50 unequal: No Solution Exploring Operation: 55-48=7, Resulting Numbers: [7] 7,50 unequal: No Solution No 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: 50:[19, 12], Operations: ['58-39=19', '67-55=12'] Exploring Operation: 19+12=31, Resulting Numbers: [31] 31,50 unequal: No Solution Exploring Operation: 19-12=7, Resulting Numbers: [7] 7,50 unequal: No Solution Exploring Operation: 19*12=228, Resulting Numbers: [228] 228,50 unequal: No Solution No 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: 50:[67, 36], Operations: ['58-39=19', '55-19=36'] Exploring Operation: 67*36=2412, Resulting Numbers: [2412] 2412,50 unequal: No Solution Exploring Operation: 67-36=31, Resulting Numbers: [31] 31,50 unequal: No Solution Exploring Operation: 67+36=103, Resulting Numbers: [103] 103,50 unequal: No Solution No 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: 50:[67, 74], Operations: ['58-39=19', '55+19=74'] Exploring Operation: 67+74=141, Resulting Numbers: [141] 141,50 unequal: No Solution Exploring Operation: 74-67=7, Resulting Numbers: [7] 7,50 unequal: No Solution Exploring Operation: 67*74=4958, Resulting Numbers: [4958] 4958,50 unequal: No Solution No 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: 50:[55, 86], Operations: ['58-39=19', '67+19=86'] Exploring Operation: 55+86=141, Resulting Numbers: [141] 141,50 unequal: No Solution Exploring Operation: 86-55=31, Resulting Numbers: [31] 31,50 unequal: No Solution Exploring Operation: 55*86=4730, Resulting Numbers: [4730] 4730,50 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: 50:[39, 67, 3], Operations: ['58-55=3'] Exploring Operation: 39+3=42, Resulting Numbers: [67, 42] Generated Node #0,0,0: 50:[67, 42] Operation: 39+3=42 Exploring Operation: 39/3=13, Resulting Numbers: [67, 13] Generated Node #0,0,1: 50:[67, 13] Operation: 39/3=13 Exploring Operation: 39-3=36, Resulting Numbers: [67, 36] Generated Node #0,0,2: 50:[67, 36] Operation: 39-3=36 Exploring Operation: 67-39=28, Resulting Numbers: [3, 28] Generated Node #0,0,3: 50:[3, 28] Operation: 67-39=28 Exploring Operation: 67-3=64, Resulting Numbers: [39, 64] Generated Node #0,0,4: 50:[39, 64] Operation: 67-3=64 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 50:[3, 28], Operations: ['58-55=3', '67-39=28'] Exploring Operation: 28-3=25, Resulting Numbers: [25] 25,50 unequal: No Solution Exploring Operation: 3+28=31, Resulting Numbers: [31] 31,50 unequal: No Solution Exploring Operation: 3*28=84, Resulting Numbers: [84] 84,50 unequal: No Solution No 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: 50:[67, 13], Operations: ['58-55=3', '39/3=13'] Exploring Operation: 67*13=871, Resulting Numbers: [871] 871,50 unequal: No Solution Exploring Operation: 67+13=80, Resulting Numbers: [80] 80,50 unequal: No Solution Exploring Operation: 67-13=54, Resulting Numbers: [54] 54,50 unequal: No Solution No 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: 50:[67, 42], Operations: ['58-55=3', '39+3=42'] Exploring Operation: 67-42=25, Resulting Numbers: [25] 25,50 unequal: No Solution Exploring Operation: 67+42=109, Resulting Numbers: [109] 109,50 unequal: No Solution Exploring Operation: 67*42=2814, Resulting Numbers: [2814] 2814,50 unequal: No Solution No 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: 50:[39, 64], Operations: ['58-55=3', '67-3=64'] Exploring Operation: 64-39=25, Resulting Numbers: [25] 25,50 unequal: No Solution Exploring Operation: 39+64=103, Resulting Numbers: [103] 103,50 unequal: No Solution Exploring Operation: 39*64=2496, Resulting Numbers: [2496] 2496,50 unequal: No Solution No 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: 50:[67, 36], Operations: ['58-55=3', '39-3=36'] Exploring Operation: 67+36=103, Resulting Numbers: [103] 103,50 unequal: No Solution Exploring Operation: 67-36=31, Resulting Numbers: [31] 31,50 unequal: No Solution Exploring Operation: 67*36=2412, Resulting Numbers: [2412] 2412,50 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
[ 19, 86, 99, 8 ]
85
[ "99-86=13", "8*13=104", "104-19=85" ]
Current State: 85:[19, 86, 99, 8], Operations: [] Exploring Operation: 99-86=13, Resulting Numbers: [19, 8, 13] Generated Node #2: [19, 8, 13] from Operation: 99-86=13 Current State: 85:[19, 8, 13], Operations: ['99-86=13'] Exploring Operation: 8*13=104, Resulting Numbers: [19, 104] Generated Node #3: [19, 104] from Operation: 8*13=104 Current State: 85:[19, 104], Operations: ['99-86=13', '8*13=104'] Exploring Operation: 104-19=85, Resulting Numbers: [85] 85,85 equal: Goal Reached
4
Current State: 85:[19, 86, 99, 8], Operations: [] Exploring Operation: 19-8=11, Resulting Numbers: [86, 99, 11] Generated Node #0,0: 85:[86, 99, 11] Operation: 19-8=11 Exploring Operation: 99-86=13, Resulting Numbers: [19, 8, 13] Generated Node #0,1: 85:[19, 8, 13] Operation: 99-86=13 Exploring Operation: 99-8=91, Resulting Numbers: [19, 86, 91] Generated Node #0,2: 85:[19, 86, 91] Operation: 99-8=91 Exploring Operation: 99-19=80, Resulting Numbers: [86, 8, 80] Generated Node #0,3: 85:[86, 8, 80] Operation: 99-19=80 Exploring Operation: 86-8=78, Resulting Numbers: [19, 99, 78] Generated Node #0,4: 85:[19, 99, 78] Operation: 86-8=78 Start Sub Search at level 1: Moving to Node #0,1 Current State: 85:[19, 8, 13], Operations: ['99-86=13'] Exploring Operation: 8+13=21, Resulting Numbers: [19, 21] Generated Node #0,1,0: 85:[19, 21] Operation: 8+13=21 Exploring Operation: 19-8=11, Resulting Numbers: [13, 11] Generated Node #0,1,1: 85:[13, 11] Operation: 19-8=11 Exploring Operation: 13-8=5, Resulting Numbers: [19, 5] Generated Node #0,1,2: 85:[19, 5] Operation: 13-8=5 Exploring Operation: 19-13=6, Resulting Numbers: [8, 6] Generated Node #0,1,3: 85:[8, 6] Operation: 19-13=6 Exploring Operation: 19+8=27, Resulting Numbers: [13, 27] Generated Node #0,1,4: 85:[13, 27] Operation: 19+8=27 Moving to Node #0,1,2 Current State: 85:[19, 5], Operations: ['99-86=13', '13-8=5'] Exploring Operation: 19-5=14, Resulting Numbers: [14] 14,85 unequal: No Solution Exploring Operation: 19*5=95, Resulting Numbers: [95] 95,85 unequal: No Solution Exploring Operation: 19+5=24, Resulting Numbers: [24] 24,85 unequal: No Solution Moving to Node #0,1,3 Current State: 85:[8, 6], Operations: ['99-86=13', '19-13=6'] Exploring Operation: 8-6=2, Resulting Numbers: [2] 2,85 unequal: No Solution Exploring Operation: 8*6=48, Resulting Numbers: [48] 48,85 unequal: No Solution Exploring Operation: 8+6=14, Resulting Numbers: [14] 14,85 unequal: No Solution Moving to Node #0,1,0 Current State: 85:[19, 21], Operations: ['99-86=13', '8+13=21'] Exploring Operation: 19*21=399, Resulting Numbers: [399] 399,85 unequal: No Solution Exploring Operation: 19+21=40, Resulting Numbers: [40] 40,85 unequal: No Solution Exploring Operation: 21-19=2, Resulting Numbers: [2] 2,85 unequal: No Solution Moving to Node #0,1,1 Current State: 85:[13, 11], Operations: ['99-86=13', '19-8=11'] Exploring Operation: 13-11=2, Resulting Numbers: [2] 2,85 unequal: No Solution Exploring Operation: 13+11=24, Resulting Numbers: [24] 24,85 unequal: No Solution Exploring Operation: 13*11=143, Resulting Numbers: [143] 143,85 unequal: No Solution Moving to Node #0,1,4 Current State: 85:[13, 27], Operations: ['99-86=13', '19+8=27'] Exploring Operation: 13+27=40, Resulting Numbers: [40] 40,85 unequal: No Solution Exploring Operation: 13*27=351, Resulting Numbers: [351] 351,85 unequal: No Solution Exploring Operation: 27-13=14, Resulting Numbers: [14] 14,85 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 85:[19, 86, 91], Operations: ['99-8=91'] Exploring Operation: 91-86=5, Resulting Numbers: [19, 5] Generated Node #0,2,0: 85:[19, 5] Operation: 91-86=5 Exploring Operation: 19+86=105, Resulting Numbers: [91, 105] Generated Node #0,2,1: 85:[91, 105] Operation: 19+86=105 Exploring Operation: 86-19=67, Resulting Numbers: [91, 67] Generated Node #0,2,2: 85:[91, 67] Operation: 86-19=67 Exploring Operation: 91-19=72, Resulting Numbers: [86, 72] Generated Node #0,2,3: 85:[86, 72] Operation: 91-19=72 Exploring Operation: 19+91=110, Resulting Numbers: [86, 110] Generated Node #0,2,4: 85:[86, 110] Operation: 19+91=110 Moving to Node #0,2,0 Current State: 85:[19, 5], Operations: ['99-8=91', '91-86=5'] Exploring Operation: 19+5=24, Resulting Numbers: [24] 24,85 unequal: No Solution Exploring Operation: 19*5=95, Resulting Numbers: [95] 95,85 unequal: No Solution Exploring Operation: 19-5=14, Resulting Numbers: [14] 14,85 unequal: No Solution Moving to Node #0,2,3 Current State: 85:[86, 72], Operations: ['99-8=91', '91-19=72'] Exploring Operation: 86*72=6192, Resulting Numbers: [6192] 6192,85 unequal: No Solution Exploring Operation: 86+72=158, Resulting Numbers: [158] 158,85 unequal: No Solution Exploring Operation: 86-72=14, Resulting Numbers: [14] 14,85 unequal: No Solution Moving to Node #0,2,2 Current State: 85:[91, 67], Operations: ['99-8=91', '86-19=67'] Exploring Operation: 91+67=158, Resulting Numbers: [158] 158,85 unequal: No Solution Exploring Operation: 91-67=24, Resulting Numbers: [24] 24,85 unequal: No Solution Exploring Operation: 91*67=6097, Resulting Numbers: [6097] 6097,85 unequal: No Solution Moving to Node #0,2,1 Current State: 85:[91, 105], Operations: ['99-8=91', '19+86=105'] Exploring Operation: 91*105=9555, Resulting Numbers: [9555] 9555,85 unequal: No Solution Exploring Operation: 91+105=196, Resulting Numbers: [196] 196,85 unequal: No Solution Exploring Operation: 105-91=14, Resulting Numbers: [14] 14,85 unequal: No Solution Moving to Node #0,2,4 Current State: 85:[86, 110], Operations: ['99-8=91', '19+91=110'] Exploring Operation: 86*110=9460, Resulting Numbers: [9460] 9460,85 unequal: No Solution Exploring Operation: 86+110=196, Resulting Numbers: [196] 196,85 unequal: No Solution Exploring Operation: 110-86=24, Resulting Numbers: [24] 24,85 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 Current State: 85:[86, 8, 80], Operations: ['99-19=80'] Exploring Operation: 8+80=88, Resulting Numbers: [86, 88] Generated Node #0,3,0: 85:[86, 88] Operation: 8+80=88 Exploring Operation: 86-8=78, Resulting Numbers: [80, 78] Generated Node #0,3,1: 85:[80, 78] Operation: 86-8=78 Exploring Operation: 80/8=10, Resulting Numbers: [86, 10] Generated Node #0,3,2: 85:[86, 10] Operation: 80/8=10 Exploring Operation: 86+8=94, Resulting Numbers: [80, 94] Generated Node #0,3,3: 85:[80, 94] Operation: 86+8=94 Exploring Operation: 86-80=6, Resulting Numbers: [8, 6] Generated Node #0,3,4: 85:[8, 6] Operation: 86-80=6 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 85:[86, 88], Operations: ['99-19=80', '8+80=88'] Exploring Operation: 88-86=2, Resulting Numbers: [2] 2,85 unequal: No Solution Exploring Operation: 86*88=7568, Resulting Numbers: [7568] 7568,85 unequal: No Solution Exploring Operation: 86+88=174, Resulting Numbers: [174] 174,85 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 85:[8, 6], Operations: ['99-19=80', '86-80=6'] Exploring Operation: 8-6=2, Resulting Numbers: [2] 2,85 unequal: No Solution Exploring Operation: 8+6=14, Resulting Numbers: [14] 14,85 unequal: No Solution Exploring Operation: 8*6=48, Resulting Numbers: [48] 48,85 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 85:[86, 10], Operations: ['99-19=80', '80/8=10'] Exploring Operation: 86+10=96, Resulting Numbers: [96] 96,85 unequal: No Solution Exploring Operation: 86*10=860, Resulting Numbers: [860] 860,85 unequal: No Solution Exploring Operation: 86-10=76, Resulting Numbers: [76] 76,85 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 85:[80, 78], Operations: ['99-19=80', '86-8=78'] Exploring Operation: 80-78=2, Resulting Numbers: [2] 2,85 unequal: No Solution Exploring Operation: 80+78=158, Resulting Numbers: [158] 158,85 unequal: No Solution Exploring Operation: 80*78=6240, Resulting Numbers: [6240] 6240,85 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 85:[80, 94], Operations: ['99-19=80', '86+8=94'] Exploring Operation: 80*94=7520, Resulting Numbers: [7520] 7520,85 unequal: No Solution Exploring Operation: 94-80=14, Resulting Numbers: [14] 14,85 unequal: No Solution Exploring Operation: 80+94=174, Resulting Numbers: [174] 174,85 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 85:[86, 99, 11], Operations: ['19-8=11'] Exploring Operation: 86-11=75, Resulting Numbers: [99, 75] Generated Node #0,0,0: 85:[99, 75] Operation: 86-11=75 Exploring Operation: 99-86=13, Resulting Numbers: [11, 13] Generated Node #0,0,1: 85:[11, 13] Operation: 99-86=13 Exploring Operation: 99-11=88, Resulting Numbers: [86, 88] Generated Node #0,0,2: 85:[86, 88] Operation: 99-11=88 Exploring Operation: 99/11=9, Resulting Numbers: [86, 9] Generated Node #0,0,3: 85:[86, 9] Operation: 99/11=9 Exploring Operation: 86+11=97, Resulting Numbers: [99, 97] Generated Node #0,0,4: 85:[99, 97] Operation: 86+11=97 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 85:[86, 88], Operations: ['19-8=11', '99-11=88'] Exploring Operation: 86*88=7568, Resulting Numbers: [7568] 7568,85 unequal: No Solution Exploring Operation: 86+88=174, Resulting Numbers: [174] 174,85 unequal: No Solution Exploring Operation: 88-86=2, Resulting Numbers: [2] 2,85 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 85:[86, 9], Operations: ['19-8=11', '99/11=9'] Exploring Operation: 86+9=95, Resulting Numbers: [95] 95,85 unequal: No Solution Exploring Operation: 86-9=77, Resulting Numbers: [77] 77,85 unequal: No Solution Exploring Operation: 86*9=774, Resulting Numbers: [774] 774,85 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 85:[11, 13], Operations: ['19-8=11', '99-86=13'] Exploring Operation: 11+13=24, Resulting Numbers: [24] 24,85 unequal: No Solution Exploring Operation: 11*13=143, Resulting Numbers: [143] 143,85 unequal: No Solution Exploring Operation: 13-11=2, Resulting Numbers: [2] 2,85 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 85:[99, 75], Operations: ['19-8=11', '86-11=75'] Exploring Operation: 99*75=7425, Resulting Numbers: [7425] 7425,85 unequal: No Solution Exploring Operation: 99+75=174, Resulting Numbers: [174] 174,85 unequal: No Solution Exploring Operation: 99-75=24, Resulting Numbers: [24] 24,85 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 85:[99, 97], Operations: ['19-8=11', '86+11=97'] Exploring Operation: 99*97=9603, Resulting Numbers: [9603] 9603,85 unequal: No Solution Exploring Operation: 99-97=2, Resulting Numbers: [2] 2,85 unequal: No Solution Exploring Operation: 99+97=196, Resulting Numbers: [196] 196,85 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 85:[19, 99, 78], Operations: ['86-8=78'] Exploring Operation: 99-19=80, Resulting Numbers: [78, 80] Generated Node #0,4,0: 85:[78, 80] Operation: 99-19=80 Exploring Operation: 19+78=97, Resulting Numbers: [99, 97] Generated Node #0,4,1: 85:[99, 97] Operation: 19+78=97 Exploring Operation: 78-19=59, Resulting Numbers: [99, 59] Generated Node #0,4,2: 85:[99, 59] Operation: 78-19=59 Exploring Operation: 99-78=21, Resulting Numbers: [19, 21] Generated Node #0,4,3: 85:[19, 21] Operation: 99-78=21 Exploring Operation: 19+99=118, Resulting Numbers: [78, 118] Generated Node #0,4,4: 85:[78, 118] Operation: 19+99=118 Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 85:[19, 21], Operations: ['86-8=78', '99-78=21'] Exploring Operation: 21-19=2, Resulting Numbers: [2] 2,85 unequal: No Solution Exploring Operation: 19*21=399, Resulting Numbers: [399] 399,85 unequal: No Solution Exploring Operation: 19+21=40, Resulting Numbers: [40] 40,85 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 85:[78, 80], Operations: ['86-8=78', '99-19=80'] Exploring Operation: 78*80=6240, Resulting Numbers: [6240] 6240,85 unequal: No Solution Exploring Operation: 80-78=2, Resulting Numbers: [2] 2,85 unequal: No Solution Exploring Operation: 78+80=158, Resulting Numbers: [158] 158,85 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 85:[99, 97], Operations: ['86-8=78', '19+78=97'] Exploring Operation: 99+97=196, Resulting Numbers: [196] 196,85 unequal: No Solution Exploring Operation: 99-97=2, Resulting Numbers: [2] 2,85 unequal: No Solution Exploring Operation: 99*97=9603, Resulting Numbers: [9603] 9603,85 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 85:[99, 59], Operations: ['86-8=78', '78-19=59'] Exploring Operation: 99-59=40, Resulting Numbers: [40] 40,85 unequal: No Solution Exploring Operation: 99*59=5841, Resulting Numbers: [5841] 5841,85 unequal: No Solution Exploring Operation: 99+59=158, Resulting Numbers: [158] 158,85 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 85:[78, 118], Operations: ['86-8=78', '19+99=118'] Exploring Operation: 78+118=196, Resulting Numbers: [196] 196,85 unequal: No Solution Exploring Operation: 118-78=40, Resulting Numbers: [40] 40,85 unequal: No Solution Exploring Operation: 78*118=9204, Resulting Numbers: [9204] 9204,85 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
mult_heuristic
[ 54, 92, 46, 55 ]
86
[ "55-46=9", "54/9=6", "92-6=86" ]
Current State: 86:[54, 92, 46, 55], Operations: [] Exploring Operation: 55-46=9, Resulting Numbers: [54, 92, 9] Generated Node #2: [54, 92, 9] from Operation: 55-46=9 Current State: 86:[54, 92, 9], Operations: ['55-46=9'] Exploring Operation: 54/9=6, Resulting Numbers: [92, 6] Generated Node #3: [92, 6] from Operation: 54/9=6 Current State: 86:[92, 6], Operations: ['55-46=9', '54/9=6'] Exploring Operation: 92-6=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
4
Current State: 86:[54, 92, 46, 55], Operations: [] Exploring Operation: 55-54=1, Resulting Numbers: [92, 46, 1] Generated Node #0,0: 86:[92, 46, 1] Operation: 55-54=1 Start Sub Search at level 1: Moving to Node #0,0 Current State: 86:[92, 46, 1], Operations: ['55-54=1'] Exploring Operation: 92/46=2, Resulting Numbers: [1, 2] Generated Node #0,0,0: 86:[1, 2] Operation: 92/46=2 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 86:[1, 2], Operations: ['55-54=1', '92/46=2'] Exploring Operation: 1*2=2, Resulting Numbers: [2] 2,86 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
[ 10, 87, 94, 76 ]
73
[ "10+87=97", "94+76=170", "170-97=73" ]
Current State: 73:[10, 87, 94, 76], Operations: [] Exploring Operation: 10+87=97, Resulting Numbers: [94, 76, 97] Generated Node #2: [94, 76, 97] from Operation: 10+87=97 Current State: 73:[94, 76, 97], Operations: ['10+87=97'] Exploring Operation: 94+76=170, Resulting Numbers: [97, 170] Generated Node #3: [97, 170] from Operation: 94+76=170 Current State: 73:[97, 170], Operations: ['10+87=97', '94+76=170'] Exploring Operation: 170-97=73, Resulting Numbers: [73] 73,73 equal: Goal Reached
4
Current State: 73:[10, 87, 94, 76], Operations: [] Exploring Operation: 87-10=77, Resulting Numbers: [94, 76, 77] Generated Node #0,0: 73:[94, 76, 77] Operation: 87-10=77 Start Sub Search at level 1: Moving to Node #0,0 Current State: 73:[94, 76, 77], Operations: ['87-10=77'] Exploring Operation: 94-76=18, Resulting Numbers: [77, 18] Generated Node #0,0,0: 73:[77, 18] Operation: 94-76=18 Moving to Node #0,0,0 Current State: 73:[77, 18], Operations: ['87-10=77', '94-76=18'] Exploring Operation: 77-18=59, Resulting Numbers: [59] 59,73 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
[ 54, 67, 99, 51 ]
73
[ "54+67=121", "99-51=48", "121-48=73" ]
Current State: 73:[54, 67, 99, 51], Operations: [] Exploring Operation: 54+67=121, Resulting Numbers: [99, 51, 121] Generated Node #2: [99, 51, 121] from Operation: 54+67=121 Current State: 73:[99, 51, 121], Operations: ['54+67=121'] Exploring Operation: 99-51=48, Resulting Numbers: [121, 48] Generated Node #3: [121, 48] from Operation: 99-51=48 Current State: 73:[121, 48], Operations: ['54+67=121', '99-51=48'] Exploring Operation: 121-48=73, Resulting Numbers: [73] 73,73 equal: Goal Reached
4
Current State: 73:[54, 67, 99, 51], Operations: [] Exploring Operation: 99-67=32, Resulting Numbers: [54, 51, 32] Generated Node #0,0: 73:[54, 51, 32] Operation: 99-67=32 Exploring Operation: 99-51=48, Resulting Numbers: [54, 67, 48] Generated Node #0,1: 73:[54, 67, 48] Operation: 99-51=48 Exploring Operation: 67+51=118, Resulting Numbers: [54, 99, 118] Generated Node #0,2: 73:[54, 99, 118] Operation: 67+51=118 Exploring Operation: 99-54=45, Resulting Numbers: [67, 51, 45] Generated Node #0,3: 73:[67, 51, 45] Operation: 99-54=45 Exploring Operation: 54+51=105, Resulting Numbers: [67, 99, 105] Generated Node #0,4: 73:[67, 99, 105] Operation: 54+51=105 Moving to Node #0,1 Current State: 73:[54, 67, 48], Operations: ['99-51=48'] Exploring Operation: 67-48=19, Resulting Numbers: [54, 19] Generated Node #0,1,0: 73:[54, 19] Operation: 67-48=19 Exploring Operation: 54+67=121, Resulting Numbers: [48, 121] Generated Node #0,1,1: 73:[48, 121] Operation: 54+67=121 Exploring Operation: 54-48=6, Resulting Numbers: [67, 6] Generated Node #0,1,2: 73:[67, 6] Operation: 54-48=6 Exploring Operation: 67+48=115, Resulting Numbers: [54, 115] Generated Node #0,1,3: 73:[54, 115] Operation: 67+48=115 Exploring Operation: 54+48=102, Resulting Numbers: [67, 102] Generated Node #0,1,4: 73:[67, 102] Operation: 54+48=102 Moving to Node #0,3 Current State: 73:[67, 51, 45], Operations: ['99-54=45'] Exploring Operation: 67+51=118, Resulting Numbers: [45, 118] Generated Node #0,3,0: 73:[45, 118] Operation: 67+51=118 Exploring Operation: 67-45=22, Resulting Numbers: [51, 22] Generated Node #0,3,1: 73:[51, 22] Operation: 67-45=22 Exploring Operation: 51+45=96, Resulting Numbers: [67, 96] Generated Node #0,3,2: 73:[67, 96] Operation: 51+45=96 Exploring Operation: 67+45=112, Resulting Numbers: [51, 112] Generated Node #0,3,3: 73:[51, 112] Operation: 67+45=112 Exploring Operation: 51-45=6, Resulting Numbers: [67, 6] Generated Node #0,3,4: 73:[67, 6] Operation: 51-45=6 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 73:[67, 96], Operations: ['99-54=45', '51+45=96'] Exploring Operation: 67*96=6432, Resulting Numbers: [6432] 6432,73 unequal: No Solution Exploring Operation: 96-67=29, Resulting Numbers: [29] 29,73 unequal: No Solution Exploring Operation: 67+96=163, Resulting Numbers: [163] 163,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 73:[51, 112], Operations: ['99-54=45', '67+45=112'] Exploring Operation: 51+112=163, Resulting Numbers: [163] 163,73 unequal: No Solution Exploring Operation: 112-51=61, Resulting Numbers: [61] 61,73 unequal: No Solution Exploring Operation: 51*112=5712, Resulting Numbers: [5712] 5712,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 73:[45, 118], Operations: ['99-54=45', '67+51=118'] Exploring Operation: 45*118=5310, Resulting Numbers: [5310] 5310,73 unequal: No Solution Exploring Operation: 45+118=163, Resulting Numbers: [163] 163,73 unequal: No Solution Exploring Operation: 118-45=73, Resulting Numbers: [73] 73,73 equal: Goal Reached Moving to Node #0 Current State: 73:[54, 67, 99, 51], Operations: [] Exploring Operation: 99-54=45, Resulting Numbers: [67, 51, 45] Generated Node #0,3: 73:[67, 51, 45] Operation: 99-54=45 Moving to Node #0,3 Current State: 73:[67, 51, 45], Operations: ['99-54=45'] Exploring Operation: 67+51=118, Resulting Numbers: [45, 118] Generated Node #0,3,0: 73:[45, 118] Operation: 67+51=118 Moving to Node #0,3,0 Current State: 73:[45, 118], Operations: ['99-54=45', '67+51=118'] Exploring Operation: 118-45=73, Resulting Numbers: [73] 73,73 equal: Goal Reached Exit Sub Search at level 1
0.975694
hs_5
mult_heuristic
[ 22, 3, 73, 20 ]
93
[ "73-22=51", "51-20=31", "3*31=93" ]
Current State: 93:[22, 3, 73, 20], Operations: [] Exploring Operation: 73-22=51, Resulting Numbers: [3, 20, 51] Generated Node #2: [3, 20, 51] from Operation: 73-22=51 Current State: 93:[3, 20, 51], Operations: ['73-22=51'] Exploring Operation: 51-20=31, Resulting Numbers: [3, 31] Generated Node #3: [3, 31] from Operation: 51-20=31 Current State: 93:[3, 31], Operations: ['73-22=51', '51-20=31'] Exploring Operation: 3*31=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
4
Current State: 93:[22, 3, 73, 20], Operations: [] Exploring Operation: 73+20=93, Resulting Numbers: [22, 3, 93] Generated Node #0,0: 93:[22, 3, 93] Operation: 73+20=93 Exploring Operation: 22+73=95, Resulting Numbers: [3, 20, 95] Generated Node #0,1: 93:[3, 20, 95] Operation: 22+73=95 Moving to Node #0,0 Current State: 93:[22, 3, 93], Operations: ['73+20=93'] Exploring Operation: 22+3=25, Resulting Numbers: [93, 25] Generated Node #0,0,0: 93:[93, 25] Operation: 22+3=25 Exploring Operation: 93/3=31, Resulting Numbers: [22, 31] Generated Node #0,0,1: 93:[22, 31] Operation: 93/3=31 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 93:[93, 25], Operations: ['73+20=93', '22+3=25'] Exploring Operation: 93-25=68, Resulting Numbers: [68] 68,93 unequal: No Solution Exploring Operation: 93+25=118, Resulting Numbers: [118] 118,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 93:[22, 31], Operations: ['73+20=93', '93/3=31'] Exploring Operation: 31-22=9, Resulting Numbers: [9] 9,93 unequal: No Solution Exploring Operation: 22+31=53, Resulting Numbers: [53] 53,93 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: 93:[3, 20, 95], Operations: ['22+73=95'] Exploring Operation: 3+20=23, Resulting Numbers: [95, 23] Generated Node #0,1,0: 93:[95, 23] Operation: 3+20=23 Exploring Operation: 95-3=92, Resulting Numbers: [20, 92] Generated Node #0,1,1: 93:[20, 92] Operation: 95-3=92 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 93:[95, 23], Operations: ['22+73=95', '3+20=23'] Exploring Operation: 95-23=72, Resulting Numbers: [72] 72,93 unequal: No Solution Exploring Operation: 95+23=118, Resulting Numbers: [118] 118,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 93:[20, 92], Operations: ['22+73=95', '95-3=92'] Exploring Operation: 20+92=112, Resulting Numbers: [112] 112,93 unequal: No Solution Exploring Operation: 92-20=72, Resulting Numbers: [72] 72,93 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
[ 47, 60, 37, 52 ]
58
[ "47-37=10", "60/10=6", "52+6=58" ]
Current State: 58:[47, 60, 37, 52], Operations: [] Exploring Operation: 47-37=10, Resulting Numbers: [60, 52, 10] Generated Node #2: [60, 52, 10] from Operation: 47-37=10 Current State: 58:[60, 52, 10], Operations: ['47-37=10'] Exploring Operation: 60/10=6, Resulting Numbers: [52, 6] Generated Node #3: [52, 6] from Operation: 60/10=6 Current State: 58:[52, 6], Operations: ['47-37=10', '60/10=6'] Exploring Operation: 52+6=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[47, 60, 37, 52], Operations: [] Exploring Operation: 47-37=10, Resulting Numbers: [60, 52, 10] Generated Node #0,0: 58:[60, 52, 10] Operation: 47-37=10 Exploring Operation: 52-47=5, Resulting Numbers: [60, 37, 5] Generated Node #0,1: 58:[60, 37, 5] Operation: 52-47=5 Start Sub Search at level 1: Moving to Node #0,1 Current State: 58:[60, 37, 5], Operations: ['52-47=5'] Exploring Operation: 37-5=32, Resulting Numbers: [60, 32] Generated Node #0,1,0: 58:[60, 32] Operation: 37-5=32 Exploring Operation: 60-37=23, Resulting Numbers: [5, 23] Generated Node #0,1,1: 58:[5, 23] Operation: 60-37=23 Moving to Node #0,1,0 Current State: 58:[60, 32], Operations: ['52-47=5', '37-5=32'] Exploring Operation: 60+32=92, Resulting Numbers: [92] 92,58 unequal: No Solution Exploring Operation: 60-32=28, Resulting Numbers: [28] 28,58 unequal: No Solution Moving to Node #0,1,1 Current State: 58:[5, 23], Operations: ['52-47=5', '60-37=23'] Exploring Operation: 5+23=28, Resulting Numbers: [28] 28,58 unequal: No Solution Exploring Operation: 23-5=18, Resulting Numbers: [18] 18,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 58:[60, 52, 10], Operations: ['47-37=10'] Exploring Operation: 60/10=6, Resulting Numbers: [52, 6] Generated Node #0,0,0: 58:[52, 6] Operation: 60/10=6 Exploring Operation: 52+10=62, Resulting Numbers: [60, 62] Generated Node #0,0,1: 58:[60, 62] Operation: 52+10=62 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 58:[60, 62], Operations: ['47-37=10', '52+10=62'] Exploring Operation: 62-60=2, Resulting Numbers: [2] 2,58 unequal: No Solution Exploring Operation: 60+62=122, Resulting Numbers: [122] 122,58 unequal: No Solution No 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: 58:[52, 6], Operations: ['47-37=10', '60/10=6'] Exploring Operation: 52-6=46, Resulting Numbers: [46] 46,58 unequal: No Solution Exploring Operation: 52+6=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Moving to Node #0 Current State: 58:[47, 60, 37, 52], Operations: [] Exploring Operation: 47-37=10, Resulting Numbers: [60, 52, 10] Generated Node #0,0: 58:[60, 52, 10] Operation: 47-37=10 Moving to Node #0,0 Current State: 58:[60, 52, 10], Operations: ['47-37=10'] Exploring Operation: 60/10=6, Resulting Numbers: [52, 6] Generated Node #0,0,0: 58:[52, 6] Operation: 60/10=6 Moving to Node #0,0,0 Current State: 58:[52, 6], Operations: ['47-37=10', '60/10=6'] Exploring Operation: 52+6=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.984375
hs_2
mult_heuristic
[ 6, 63, 67, 46 ]
36
[ "63-6=57", "67-46=21", "57-21=36" ]
Current State: 36:[6, 63, 67, 46], Operations: [] Exploring Operation: 63-6=57, Resulting Numbers: [67, 46, 57] Generated Node #2: [67, 46, 57] from Operation: 63-6=57 Current State: 36:[67, 46, 57], Operations: ['63-6=57'] Exploring Operation: 67-46=21, Resulting Numbers: [57, 21] Generated Node #3: [57, 21] from Operation: 67-46=21 Current State: 36:[57, 21], Operations: ['63-6=57', '67-46=21'] Exploring Operation: 57-21=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
4
Current State: 36:[6, 63, 67, 46], Operations: [] Exploring Operation: 67-46=21, Resulting Numbers: [6, 63, 21] Generated Node #0,0: 36:[6, 63, 21] Operation: 67-46=21 Exploring Operation: 67-63=4, Resulting Numbers: [6, 46, 4] Generated Node #0,1: 36:[6, 46, 4] Operation: 67-63=4 Start Sub Search at level 1: Moving to Node #0,1 Current State: 36:[6, 46, 4], Operations: ['67-63=4'] Exploring Operation: 46-6=40, Resulting Numbers: [4, 40] Generated Node #0,1,0: 36:[4, 40] Operation: 46-6=40 Exploring Operation: 46-4=42, Resulting Numbers: [6, 42] Generated Node #0,1,1: 36:[6, 42] Operation: 46-4=42 Moving to Node #0,1,0 Current State: 36:[4, 40], Operations: ['67-63=4', '46-6=40'] Exploring Operation: 40/4=10, Resulting Numbers: [10] 10,36 unequal: No Solution Exploring Operation: 40-4=36, Resulting Numbers: [36] 36,36 equal: Goal Reached Moving to Node #0 Current State: 36:[6, 63, 67, 46], Operations: [] Exploring Operation: 67-63=4, Resulting Numbers: [6, 46, 4] Generated Node #0,1: 36:[6, 46, 4] Operation: 67-63=4 Moving to Node #0,1 Current State: 36:[6, 46, 4], Operations: ['67-63=4'] Exploring Operation: 46-6=40, Resulting Numbers: [4, 40] Generated Node #0,1,0: 36:[4, 40] Operation: 46-6=40 Moving to Node #0,1,0 Current State: 36:[4, 40], Operations: ['67-63=4', '46-6=40'] Exploring Operation: 40-4=36, Resulting Numbers: [36] 36,36 equal: Goal Reached Exit Sub Search at level 1
0.991319
hs_2
sum_heuristic
[ 80, 28, 38, 48 ]
20
[ "48-38=10", "80/10=8", "28-8=20" ]
Current State: 20:[80, 28, 38, 48], Operations: [] Exploring Operation: 48-38=10, Resulting Numbers: [80, 28, 10] Generated Node #2: [80, 28, 10] from Operation: 48-38=10 Current State: 20:[80, 28, 10], Operations: ['48-38=10'] Exploring Operation: 80/10=8, Resulting Numbers: [28, 8] Generated Node #3: [28, 8] from Operation: 80/10=8 Current State: 20:[28, 8], Operations: ['48-38=10', '80/10=8'] Exploring Operation: 28-8=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[80, 28, 38, 48], Operations: [] Exploring Operation: 48-28=20, Resulting Numbers: [80, 38, 20] Generated Node #0,0: 20:[80, 38, 20] Operation: 48-28=20 Exploring Operation: 80-28=52, Resulting Numbers: [38, 48, 52] Generated Node #0,1: 20:[38, 48, 52] Operation: 80-28=52 Exploring Operation: 48-38=10, Resulting Numbers: [80, 28, 10] Generated Node #0,2: 20:[80, 28, 10] Operation: 48-38=10 Exploring Operation: 80-48=32, Resulting Numbers: [28, 38, 32] Generated Node #0,3: 20:[28, 38, 32] Operation: 80-48=32 Exploring Operation: 80-38=42, Resulting Numbers: [28, 48, 42] Generated Node #0,4: 20:[28, 48, 42] Operation: 80-38=42 Moving to Node #0,3 Current State: 20:[28, 38, 32], Operations: ['80-48=32'] Exploring Operation: 32-28=4, Resulting Numbers: [38, 4] Generated Node #0,3,0: 20:[38, 4] Operation: 32-28=4 Exploring Operation: 28+32=60, Resulting Numbers: [38, 60] Generated Node #0,3,1: 20:[38, 60] Operation: 28+32=60 Exploring Operation: 38-32=6, Resulting Numbers: [28, 6] Generated Node #0,3,2: 20:[28, 6] Operation: 38-32=6 Exploring Operation: 38-28=10, Resulting Numbers: [32, 10] Generated Node #0,3,3: 20:[32, 10] Operation: 38-28=10 Exploring Operation: 28+38=66, Resulting Numbers: [32, 66] Generated Node #0,3,4: 20:[32, 66] Operation: 28+38=66 Moving to Node #0,4 Current State: 20:[28, 48, 42], Operations: ['80-38=42'] Exploring Operation: 42-28=14, Resulting Numbers: [48, 14] Generated Node #0,4,0: 20:[48, 14] Operation: 42-28=14 Exploring Operation: 48-28=20, Resulting Numbers: [42, 20] Generated Node #0,4,1: 20:[42, 20] Operation: 48-28=20 Exploring Operation: 28+42=70, Resulting Numbers: [48, 70] Generated Node #0,4,2: 20:[48, 70] Operation: 28+42=70 Exploring Operation: 28+48=76, Resulting Numbers: [42, 76] Generated Node #0,4,3: 20:[42, 76] Operation: 28+48=76 Exploring Operation: 48-42=6, Resulting Numbers: [28, 6] Generated Node #0,4,4: 20:[28, 6] Operation: 48-42=6 Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 20:[28, 6], Operations: ['80-38=42', '48-42=6'] Exploring Operation: 28+6=34, Resulting Numbers: [34] 34,20 unequal: No Solution Exploring Operation: 28-6=22, Resulting Numbers: [22] 22,20 unequal: No Solution Exploring Operation: 28*6=168, Resulting Numbers: [168] 168,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 20:[42, 20], Operations: ['80-38=42', '48-28=20'] Exploring Operation: 42+20=62, Resulting Numbers: [62] 62,20 unequal: No Solution Exploring Operation: 42*20=840, Resulting Numbers: [840] 840,20 unequal: No Solution Exploring Operation: 42-20=22, Resulting Numbers: [22] 22,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 20:[48, 14], Operations: ['80-38=42', '42-28=14'] Exploring Operation: 48-14=34, Resulting Numbers: [34] 34,20 unequal: No Solution Exploring Operation: 48+14=62, Resulting Numbers: [62] 62,20 unequal: No Solution Exploring Operation: 48*14=672, Resulting Numbers: [672] 672,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 20:[48, 70], Operations: ['80-38=42', '28+42=70'] Exploring Operation: 48*70=3360, Resulting Numbers: [3360] 3360,20 unequal: No Solution Exploring Operation: 70-48=22, Resulting Numbers: [22] 22,20 unequal: No Solution Exploring Operation: 48+70=118, Resulting Numbers: [118] 118,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 20:[42, 76], Operations: ['80-38=42', '28+48=76'] Exploring Operation: 42*76=3192, Resulting Numbers: [3192] 3192,20 unequal: No Solution Exploring Operation: 42+76=118, Resulting Numbers: [118] 118,20 unequal: No Solution Exploring Operation: 76-42=34, Resulting Numbers: [34] 34,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 20:[80, 28, 10], Operations: ['48-38=10'] Exploring Operation: 80-28=52, Resulting Numbers: [10, 52] Generated Node #0,2,0: 20:[10, 52] Operation: 80-28=52 Exploring Operation: 80+10=90, Resulting Numbers: [28, 90] Generated Node #0,2,1: 20:[28, 90] Operation: 80+10=90 Exploring Operation: 28-10=18, Resulting Numbers: [80, 18] Generated Node #0,2,2: 20:[80, 18] Operation: 28-10=18 Exploring Operation: 80/10=8, Resulting Numbers: [28, 8] Generated Node #0,2,3: 20:[28, 8] Operation: 80/10=8 Exploring Operation: 80-10=70, Resulting Numbers: [28, 70] Generated Node #0,2,4: 20:[28, 70] Operation: 80-10=70 Moving to Node #0,0 Current State: 20:[80, 38, 20], Operations: ['48-28=20'] Exploring Operation: 80+38=118, Resulting Numbers: [20, 118] Generated Node #0,0,0: 20:[20, 118] Operation: 80+38=118 Exploring Operation: 80-38=42, Resulting Numbers: [20, 42] Generated Node #0,0,1: 20:[20, 42] Operation: 80-38=42 Exploring Operation: 80/20=4, Resulting Numbers: [38, 4] Generated Node #0,0,2: 20:[38, 4] Operation: 80/20=4 Exploring Operation: 80-20=60, Resulting Numbers: [38, 60] Generated Node #0,0,3: 20:[38, 60] Operation: 80-20=60 Exploring Operation: 38-20=18, Resulting Numbers: [80, 18] Generated Node #0,0,4: 20:[80, 18] Operation: 38-20=18 Moving to Node #0,1 Current State: 20:[38, 48, 52], Operations: ['80-28=52'] Exploring Operation: 38+48=86, Resulting Numbers: [52, 86] Generated Node #0,1,0: 20:[52, 86] Operation: 38+48=86 Exploring Operation: 52-48=4, Resulting Numbers: [38, 4] Generated Node #0,1,1: 20:[38, 4] Operation: 52-48=4 Exploring Operation: 38+52=90, Resulting Numbers: [48, 90] Generated Node #0,1,2: 20:[48, 90] Operation: 38+52=90 Exploring Operation: 48-38=10, Resulting Numbers: [52, 10] Generated Node #0,1,3: 20:[52, 10] Operation: 48-38=10 Exploring Operation: 52-38=14, Resulting Numbers: [48, 14] Generated Node #0,1,4: 20:[48, 14] Operation: 52-38=14 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 20:[38, 4], Operations: ['80-28=52', '52-48=4'] Exploring Operation: 38-4=34, Resulting Numbers: [34] 34,20 unequal: No Solution Exploring Operation: 38+4=42, Resulting Numbers: [42] 42,20 unequal: No Solution Exploring Operation: 38*4=152, Resulting Numbers: [152] 152,20 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:[52, 10], Operations: ['80-28=52', '48-38=10'] Exploring Operation: 52-10=42, Resulting Numbers: [42] 42,20 unequal: No Solution Exploring Operation: 52+10=62, Resulting Numbers: [62] 62,20 unequal: No Solution Exploring Operation: 52*10=520, Resulting Numbers: [520] 520,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 20:[48, 14], Operations: ['80-28=52', '52-38=14'] Exploring Operation: 48+14=62, Resulting Numbers: [62] 62,20 unequal: No Solution Exploring Operation: 48*14=672, Resulting Numbers: [672] 672,20 unequal: No Solution Exploring Operation: 48-14=34, Resulting Numbers: [34] 34,20 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:[52, 86], Operations: ['80-28=52', '38+48=86'] Exploring Operation: 86-52=34, Resulting Numbers: [34] 34,20 unequal: No Solution Exploring Operation: 52*86=4472, Resulting Numbers: [4472] 4472,20 unequal: No Solution Exploring Operation: 52+86=138, Resulting Numbers: [138] 138,20 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:[48, 90], Operations: ['80-28=52', '38+52=90'] Exploring Operation: 90-48=42, Resulting Numbers: [42] 42,20 unequal: No Solution Exploring Operation: 48+90=138, Resulting Numbers: [138] 138,20 unequal: No Solution Exploring Operation: 48*90=4320, Resulting Numbers: [4320] 4320,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3,2 Current State: 20:[28, 6], Operations: ['80-48=32', '38-32=6'] Exploring Operation: 28-6=22, Resulting Numbers: [22] 22,20 unequal: No Solution Exploring Operation: 28+6=34, Resulting Numbers: [34] 34,20 unequal: No Solution Exploring Operation: 28*6=168, Resulting Numbers: [168] 168,20 unequal: No Solution Moving to Node #0,2,3 Current State: 20:[28, 8], Operations: ['48-38=10', '80/10=8'] Exploring Operation: 28-8=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Moving to Node #0 Current State: 20:[80, 28, 38, 48], Operations: [] Exploring Operation: 48-38=10, Resulting Numbers: [80, 28, 10] Generated Node #0,2: 20:[80, 28, 10] Operation: 48-38=10 Moving to Node #0,2 Current State: 20:[80, 28, 10], Operations: ['48-38=10'] Exploring Operation: 80/10=8, Resulting Numbers: [28, 8] Generated Node #0,2,3: 20:[28, 8] Operation: 80/10=8 Moving to Node #0,2,3 Current State: 20:[28, 8], Operations: ['48-38=10', '80/10=8'] Exploring Operation: 28-8=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
0.940972
hs_5
sum_heuristic
[ 46, 67, 36, 69 ]
28
[ "69-67=2", "36/2=18", "46-18=28" ]
Current State: 28:[46, 67, 36, 69], Operations: [] Exploring Operation: 69-67=2, Resulting Numbers: [46, 36, 2] Generated Node #2: [46, 36, 2] from Operation: 69-67=2 Current State: 28:[46, 36, 2], Operations: ['69-67=2'] Exploring Operation: 36/2=18, Resulting Numbers: [46, 18] Generated Node #3: [46, 18] from Operation: 36/2=18 Current State: 28:[46, 18], Operations: ['69-67=2', '36/2=18'] Exploring Operation: 46-18=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
4
Current State: 28:[46, 67, 36, 69], Operations: [] Exploring Operation: 69-46=23, Resulting Numbers: [67, 36, 23] Generated Node #0,0: 28:[67, 36, 23] Operation: 69-46=23 Exploring Operation: 67-36=31, Resulting Numbers: [46, 69, 31] Generated Node #0,1: 28:[46, 69, 31] Operation: 67-36=31 Exploring Operation: 67-46=21, Resulting Numbers: [36, 69, 21] Generated Node #0,2: 28:[36, 69, 21] Operation: 67-46=21 Exploring Operation: 69-36=33, Resulting Numbers: [46, 67, 33] Generated Node #0,3: 28:[46, 67, 33] Operation: 69-36=33 Exploring Operation: 69-67=2, Resulting Numbers: [46, 36, 2] Generated Node #0,4: 28:[46, 36, 2] Operation: 69-67=2 Start Sub Search at level 1: Moving to Node #0,4 Current State: 28:[46, 36, 2], Operations: ['69-67=2'] Exploring Operation: 46/2=23, Resulting Numbers: [36, 23] Generated Node #0,4,0: 28:[36, 23] Operation: 46/2=23 Exploring Operation: 36/2=18, Resulting Numbers: [46, 18] Generated Node #0,4,1: 28:[46, 18] Operation: 36/2=18 Exploring Operation: 36-2=34, Resulting Numbers: [46, 34] Generated Node #0,4,2: 28:[46, 34] Operation: 36-2=34 Exploring Operation: 46-36=10, Resulting Numbers: [2, 10] Generated Node #0,4,3: 28:[2, 10] Operation: 46-36=10 Exploring Operation: 46-2=44, Resulting Numbers: [36, 44] Generated Node #0,4,4: 28:[36, 44] Operation: 46-2=44 Moving to Node #0,4,3 Current State: 28:[2, 10], Operations: ['69-67=2', '46-36=10'] Exploring Operation: 10-2=8, Resulting Numbers: [8] 8,28 unequal: No Solution Exploring Operation: 2+10=12, Resulting Numbers: [12] 12,28 unequal: No Solution Exploring Operation: 10/2=5, Resulting Numbers: [5] 5,28 unequal: No Solution Exploring Operation: 2*10=20, Resulting Numbers: [20] 20,28 unequal: No Solution Moving to Node #0,4,0 Current State: 28:[36, 23], Operations: ['69-67=2', '46/2=23'] Exploring Operation: 36-23=13, Resulting Numbers: [13] 13,28 unequal: No Solution Exploring Operation: 36*23=828, Resulting Numbers: [828] 828,28 unequal: No Solution Exploring Operation: 36+23=59, Resulting Numbers: [59] 59,28 unequal: No Solution Moving to Node #0,4,1 Current State: 28:[46, 18], Operations: ['69-67=2', '36/2=18'] Exploring Operation: 46-18=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Moving to Node #0 Current State: 28:[46, 67, 36, 69], Operations: [] Exploring Operation: 69-67=2, Resulting Numbers: [46, 36, 2] Generated Node #0,4: 28:[46, 36, 2] Operation: 69-67=2 Moving to Node #0,4 Current State: 28:[46, 36, 2], Operations: ['69-67=2'] Exploring Operation: 36/2=18, Resulting Numbers: [46, 18] Generated Node #0,4,1: 28:[46, 18] Operation: 36/2=18 Moving to Node #0,4,1 Current State: 28:[46, 18], Operations: ['69-67=2', '36/2=18'] Exploring Operation: 46-18=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Exit Sub Search at level 1
0.980903
hs_5
mult_heuristic
[ 11, 37, 8, 53 ]
29
[ "11+53=64", "64/8=8", "37-8=29" ]
Current State: 29:[11, 37, 8, 53], Operations: [] Exploring Operation: 11+53=64, Resulting Numbers: [37, 8, 64] Generated Node #2: [37, 8, 64] from Operation: 11+53=64 Current State: 29:[37, 8, 64], Operations: ['11+53=64'] Exploring Operation: 64/8=8, Resulting Numbers: [37, 8] Generated Node #3: [37, 8] from Operation: 64/8=8 Current State: 29:[37, 8], Operations: ['11+53=64', '64/8=8'] Exploring Operation: 37-8=29, Resulting Numbers: [29] 29,29 equal: Goal Reached
4
Current State: 29:[11, 37, 8, 53], Operations: [] Exploring Operation: 53-11=42, Resulting Numbers: [37, 8, 42] Generated Node #0,0: 29:[37, 8, 42] Operation: 53-11=42 Exploring Operation: 11+8=19, Resulting Numbers: [37, 53, 19] Generated Node #0,1: 29:[37, 53, 19] Operation: 11+8=19 Moving to Node #0,0 Current State: 29:[37, 8, 42], Operations: ['53-11=42'] Exploring Operation: 42-8=34, Resulting Numbers: [37, 34] Generated Node #0,0,0: 29:[37, 34] Operation: 42-8=34 Exploring Operation: 37-8=29, Resulting Numbers: [42, 29] Generated Node #0,0,1: 29:[42, 29] Operation: 37-8=29 Moving to Node #0,1 Current State: 29:[37, 53, 19], Operations: ['11+8=19'] Exploring Operation: 53-19=34, Resulting Numbers: [37, 34] Generated Node #0,1,0: 29:[37, 34] Operation: 53-19=34 Exploring Operation: 53-37=16, Resulting Numbers: [19, 16] Generated Node #0,1,1: 29:[19, 16] Operation: 53-37=16 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 29:[37, 34], Operations: ['11+8=19', '53-19=34'] Exploring Operation: 37+34=71, Resulting Numbers: [71] 71,29 unequal: No Solution Exploring Operation: 37-34=3, Resulting Numbers: [3] 3,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 29:[19, 16], Operations: ['11+8=19', '53-37=16'] Exploring Operation: 19+16=35, Resulting Numbers: [35] 35,29 unequal: No Solution Exploring Operation: 19-16=3, Resulting Numbers: [3] 3,29 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: 29:[37, 34], Operations: ['53-11=42', '42-8=34'] Exploring Operation: 37-34=3, Resulting Numbers: [3] 3,29 unequal: No Solution Exploring Operation: 37+34=71, Resulting Numbers: [71] 71,29 unequal: No Solution Moving to Node #0,0,1 Current State: 29:[42, 29], Operations: ['53-11=42', '37-8=29'] Exploring Operation: 42-29=13, Resulting Numbers: [13] 13,29 unequal: No Solution Exploring Operation: 42+29=71, Resulting Numbers: [71] 71,29 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 91, 48, 64, 54 ]
53
[ "91-48=43", "64-54=10", "43+10=53" ]
Current State: 53:[91, 48, 64, 54], Operations: [] Exploring Operation: 91-48=43, Resulting Numbers: [64, 54, 43] Generated Node #2: [64, 54, 43] from Operation: 91-48=43 Current State: 53:[64, 54, 43], Operations: ['91-48=43'] Exploring Operation: 64-54=10, Resulting Numbers: [43, 10] Generated Node #3: [43, 10] from Operation: 64-54=10 Current State: 53:[43, 10], Operations: ['91-48=43', '64-54=10'] Exploring Operation: 43+10=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[91, 48, 64, 54], Operations: [] Exploring Operation: 91-48=43, Resulting Numbers: [64, 54, 43] Generated Node #0,0: 53:[64, 54, 43] Operation: 91-48=43 Exploring Operation: 91-64=27, Resulting Numbers: [48, 54, 27] Generated Node #0,1: 53:[48, 54, 27] Operation: 91-64=27 Start Sub Search at level 1: Moving to Node #0,0 Current State: 53:[64, 54, 43], Operations: ['91-48=43'] Exploring Operation: 64-54=10, Resulting Numbers: [43, 10] Generated Node #0,0,0: 53:[43, 10] Operation: 64-54=10 Exploring Operation: 64-43=21, Resulting Numbers: [54, 21] Generated Node #0,0,1: 53:[54, 21] Operation: 64-43=21 Moving to Node #0,0,1 Current State: 53:[54, 21], Operations: ['91-48=43', '64-43=21'] Exploring Operation: 54-21=33, Resulting Numbers: [33] 33,53 unequal: No Solution Exploring Operation: 54+21=75, Resulting Numbers: [75] 75,53 unequal: No Solution Moving to Node #0,0,0 Current State: 53:[43, 10], Operations: ['91-48=43', '64-54=10'] Exploring Operation: 43+10=53, Resulting Numbers: [53] 53,53 equal: Goal Reached Moving to Node #0 Current State: 53:[91, 48, 64, 54], Operations: [] Exploring Operation: 91-48=43, Resulting Numbers: [64, 54, 43] Generated Node #0,0: 53:[64, 54, 43] Operation: 91-48=43 Moving to Node #0,0 Current State: 53:[64, 54, 43], Operations: ['91-48=43'] Exploring Operation: 64-54=10, Resulting Numbers: [43, 10] Generated Node #0,0,0: 53:[43, 10] Operation: 64-54=10 Moving to Node #0,0,0 Current State: 53:[43, 10], Operations: ['91-48=43', '64-54=10'] Exploring Operation: 43+10=53, Resulting Numbers: [53] 53,53 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_2
sum_heuristic
[ 93, 31, 14, 49 ]
21
[ "93/31=3", "14+49=63", "63/3=21" ]
Current State: 21:[93, 31, 14, 49], Operations: [] Exploring Operation: 93/31=3, Resulting Numbers: [14, 49, 3] Generated Node #2: [14, 49, 3] from Operation: 93/31=3 Current State: 21:[14, 49, 3], Operations: ['93/31=3'] Exploring Operation: 14+49=63, Resulting Numbers: [3, 63] Generated Node #3: [3, 63] from Operation: 14+49=63 Current State: 21:[3, 63], Operations: ['93/31=3', '14+49=63'] Exploring Operation: 63/3=21, Resulting Numbers: [21] 21,21 equal: Goal Reached
4
Current State: 21:[93, 31, 14, 49], Operations: [] Exploring Operation: 93-49=44, Resulting Numbers: [31, 14, 44] Generated Node #0,0: 21:[31, 14, 44] Operation: 93-49=44 Exploring Operation: 93/31=3, Resulting Numbers: [14, 49, 3] Generated Node #0,1: 21:[14, 49, 3] Operation: 93/31=3 Start Sub Search at level 1: Moving to Node #0,1 Current State: 21:[14, 49, 3], Operations: ['93/31=3'] Exploring Operation: 14+3=17, Resulting Numbers: [49, 17] Generated Node #0,1,0: 21:[49, 17] Operation: 14+3=17 Exploring Operation: 49-14=35, Resulting Numbers: [3, 35] Generated Node #0,1,1: 21:[3, 35] Operation: 49-14=35 Moving to Node #0,1,1 Current State: 21:[3, 35], Operations: ['93/31=3', '49-14=35'] Exploring Operation: 3+35=38, Resulting Numbers: [38] 38,21 unequal: No Solution Exploring Operation: 35-3=32, Resulting Numbers: [32] 32,21 unequal: No Solution Moving to Node #0,1,0 Current State: 21:[49, 17], Operations: ['93/31=3', '14+3=17'] Exploring Operation: 49+17=66, Resulting Numbers: [66] 66,21 unequal: No Solution Exploring Operation: 49-17=32, Resulting Numbers: [32] 32,21 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 21:[31, 14, 44], Operations: ['93-49=44'] Exploring Operation: 44-31=13, Resulting Numbers: [14, 13] Generated Node #0,0,0: 21:[14, 13] Operation: 44-31=13 Exploring Operation: 44-14=30, Resulting Numbers: [31, 30] Generated Node #0,0,1: 21:[31, 30] Operation: 44-14=30 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 21:[14, 13], Operations: ['93-49=44', '44-31=13'] Exploring Operation: 14+13=27, Resulting Numbers: [27] 27,21 unequal: No Solution Exploring Operation: 14-13=1, Resulting Numbers: [1] 1,21 unequal: No Solution No 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: 21:[31, 30], Operations: ['93-49=44', '44-14=30'] Exploring Operation: 31+30=61, Resulting Numbers: [61] 61,21 unequal: No Solution Exploring Operation: 31-30=1, Resulting Numbers: [1] 1,21 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
[ 2, 61, 6, 16 ]
73
[ "2+61=63", "16-6=10", "63+10=73" ]
Current State: 73:[2, 61, 6, 16], Operations: [] Exploring Operation: 2+61=63, Resulting Numbers: [6, 16, 63] Generated Node #2: [6, 16, 63] from Operation: 2+61=63 Current State: 73:[6, 16, 63], Operations: ['2+61=63'] Exploring Operation: 16-6=10, Resulting Numbers: [63, 10] Generated Node #3: [63, 10] from Operation: 16-6=10 Current State: 73:[63, 10], Operations: ['2+61=63', '16-6=10'] Exploring Operation: 63+10=73, Resulting Numbers: [73] 73,73 equal: Goal Reached
4
Current State: 73:[2, 61, 6, 16], Operations: [] Exploring Operation: 6*16=96, Resulting Numbers: [2, 61, 96] Generated Node #0,0: 73:[2, 61, 96] Operation: 6*16=96 Exploring Operation: 2*6=12, Resulting Numbers: [61, 16, 12] Generated Node #0,1: 73:[61, 16, 12] Operation: 2*6=12 Exploring Operation: 2*16=32, Resulting Numbers: [61, 6, 32] Generated Node #0,2: 73:[61, 6, 32] Operation: 2*16=32 Moving to Node #0,0 Current State: 73:[2, 61, 96], Operations: ['6*16=96'] Exploring Operation: 61-2=59, Resulting Numbers: [96, 59] Generated Node #0,0,0: 73:[96, 59] Operation: 61-2=59 Exploring Operation: 96-2=94, Resulting Numbers: [61, 94] Generated Node #0,0,1: 73:[61, 94] Operation: 96-2=94 Exploring Operation: 2+61=63, Resulting Numbers: [96, 63] Generated Node #0,0,2: 73:[96, 63] Operation: 2+61=63 Moving to Node #0,2 Current State: 73:[61, 6, 32], Operations: ['2*16=32'] Exploring Operation: 61+6=67, Resulting Numbers: [32, 67] Generated Node #0,2,0: 73:[32, 67] Operation: 61+6=67 Exploring Operation: 61-6=55, Resulting Numbers: [32, 55] Generated Node #0,2,1: 73:[32, 55] Operation: 61-6=55 Exploring Operation: 6+32=38, Resulting Numbers: [61, 38] Generated Node #0,2,2: 73:[61, 38] Operation: 6+32=38 Moving to Node #0,1 Current State: 73:[61, 16, 12], Operations: ['2*6=12'] Exploring Operation: 16+12=28, Resulting Numbers: [61, 28] Generated Node #0,1,0: 73:[61, 28] Operation: 16+12=28 Exploring Operation: 61+12=73, Resulting Numbers: [16, 73] Generated Node #0,1,1: 73:[16, 73] Operation: 61+12=73 Exploring Operation: 61+16=77, Resulting Numbers: [12, 77] Generated Node #0,1,2: 73:[12, 77] Operation: 61+16=77 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 73:[61, 28], Operations: ['2*6=12', '16+12=28'] Exploring Operation: 61+28=89, Resulting Numbers: [89] 89,73 unequal: No Solution Exploring Operation: 61-28=33, Resulting Numbers: [33] 33,73 unequal: No Solution Exploring Operation: 61*28=1708, Resulting Numbers: [1708] 1708,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 73:[16, 73], Operations: ['2*6=12', '61+12=73'] Exploring Operation: 73-16=57, Resulting Numbers: [57] 57,73 unequal: No Solution Exploring Operation: 16*73=1168, Resulting Numbers: [1168] 1168,73 unequal: No Solution Exploring Operation: 16+73=89, Resulting Numbers: [89] 89,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 73:[12, 77], Operations: ['2*6=12', '61+16=77'] Exploring Operation: 12+77=89, Resulting Numbers: [89] 89,73 unequal: No Solution Exploring Operation: 77-12=65, Resulting Numbers: [65] 65,73 unequal: No Solution Exploring Operation: 12*77=924, Resulting Numbers: [924] 924,73 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: 73:[61, 94], Operations: ['6*16=96', '96-2=94'] Exploring Operation: 94-61=33, Resulting Numbers: [33] 33,73 unequal: No Solution Exploring Operation: 61+94=155, Resulting Numbers: [155] 155,73 unequal: No Solution Exploring Operation: 61*94=5734, Resulting Numbers: [5734] 5734,73 unequal: No Solution Moving to Node #0,0,2 Current State: 73:[96, 63], Operations: ['6*16=96', '2+61=63'] Exploring Operation: 96*63=6048, Resulting Numbers: [6048] 6048,73 unequal: No Solution Exploring Operation: 96-63=33, Resulting Numbers: [33] 33,73 unequal: No Solution Exploring Operation: 96+63=159, Resulting Numbers: [159] 159,73 unequal: No Solution Moving to Node #0,0,0 Current State: 73:[96, 59], Operations: ['6*16=96', '61-2=59'] Exploring Operation: 96-59=37, Resulting Numbers: [37] 37,73 unequal: No Solution Exploring Operation: 96*59=5664, Resulting Numbers: [5664] 5664,73 unequal: No Solution Exploring Operation: 96+59=155, Resulting Numbers: [155] 155,73 unequal: No Solution Moving to Node #0,2,2 Current State: 73:[61, 38], Operations: ['2*16=32', '6+32=38'] Exploring Operation: 61*38=2318, Resulting Numbers: [2318] 2318,73 unequal: No Solution Exploring Operation: 61-38=23, Resulting Numbers: [23] 23,73 unequal: No Solution Exploring Operation: 61+38=99, Resulting Numbers: [99] 99,73 unequal: No Solution Moving to Node #0,2,0 Current State: 73:[32, 67], Operations: ['2*16=32', '61+6=67'] Exploring Operation: 67-32=35, Resulting Numbers: [35] 35,73 unequal: No Solution Exploring Operation: 32+67=99, Resulting Numbers: [99] 99,73 unequal: No Solution Exploring Operation: 32*67=2144, Resulting Numbers: [2144] 2144,73 unequal: No Solution Moving to Node #0,2,1 Current State: 73:[32, 55], Operations: ['2*16=32', '61-6=55'] Exploring Operation: 32+55=87, Resulting Numbers: [87] 87,73 unequal: No Solution Exploring Operation: 32*55=1760, Resulting Numbers: [1760] 1760,73 unequal: No Solution Exploring Operation: 55-32=23, Resulting Numbers: [23] 23,73 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 94, 93, 83, 69 ]
13
[ "94-93=1", "83-69=14", "14-1=13" ]
Current State: 13:[94, 93, 83, 69], Operations: [] Exploring Operation: 94-93=1, Resulting Numbers: [83, 69, 1] Generated Node #2: [83, 69, 1] from Operation: 94-93=1 Current State: 13:[83, 69, 1], Operations: ['94-93=1'] Exploring Operation: 83-69=14, Resulting Numbers: [1, 14] Generated Node #3: [1, 14] from Operation: 83-69=14 Current State: 13:[1, 14], Operations: ['94-93=1', '83-69=14'] Exploring Operation: 14-1=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
4
Current State: 13:[94, 93, 83, 69], Operations: [] Exploring Operation: 93-83=10, Resulting Numbers: [94, 69, 10] Generated Node #0,0: 13:[94, 69, 10] Operation: 93-83=10 Exploring Operation: 94-93=1, Resulting Numbers: [83, 69, 1] Generated Node #0,1: 13:[83, 69, 1] Operation: 94-93=1 Exploring Operation: 94-83=11, Resulting Numbers: [93, 69, 11] Generated Node #0,2: 13:[93, 69, 11] Operation: 94-83=11 Exploring Operation: 93-69=24, Resulting Numbers: [94, 83, 24] Generated Node #0,3: 13:[94, 83, 24] Operation: 93-69=24 Exploring Operation: 94-69=25, Resulting Numbers: [93, 83, 25] Generated Node #0,4: 13:[93, 83, 25] Operation: 94-69=25 Start Sub Search at level 1: Moving to Node #0,1 Current State: 13:[83, 69, 1], Operations: ['94-93=1'] Exploring Operation: 83-1=82, Resulting Numbers: [69, 82] Generated Node #0,1,0: 13:[69, 82] Operation: 83-1=82 Exploring Operation: 69-1=68, Resulting Numbers: [83, 68] Generated Node #0,1,1: 13:[83, 68] Operation: 69-1=68 Exploring Operation: 83*1=83, Resulting Numbers: [69, 83] Generated Node #0,1,2: 13:[69, 83] Operation: 83*1=83 Exploring Operation: 83-69=14, Resulting Numbers: [1, 14] Generated Node #0,1,3: 13:[1, 14] Operation: 83-69=14 Exploring Operation: 83/1=83, Resulting Numbers: [69, 83] Generated Node #0,1,4: 13:[69, 83] Operation: 83/1=83 Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 13:[1, 14], Operations: ['94-93=1', '83-69=14'] Exploring Operation: 14-1=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Moving to Node #0 Current State: 13:[94, 93, 83, 69], Operations: [] Exploring Operation: 94-93=1, Resulting Numbers: [83, 69, 1] Generated Node #0,1: 13:[83, 69, 1] Operation: 94-93=1 Moving to Node #0,1 Current State: 13:[83, 69, 1], Operations: ['94-93=1'] Exploring Operation: 83-69=14, Resulting Numbers: [1, 14] Generated Node #0,1,3: 13:[1, 14] Operation: 83-69=14 Moving to Node #0,1,3 Current State: 13:[1, 14], Operations: ['94-93=1', '83-69=14'] Exploring Operation: 14-1=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986979
hs_5
mult_heuristic
[ 30, 1, 27, 69 ]
65
[ "30+1=31", "27+69=96", "96-31=65" ]
Current State: 65:[30, 1, 27, 69], Operations: [] Exploring Operation: 30+1=31, Resulting Numbers: [27, 69, 31] Generated Node #2: [27, 69, 31] from Operation: 30+1=31 Current State: 65:[27, 69, 31], Operations: ['30+1=31'] Exploring Operation: 27+69=96, Resulting Numbers: [31, 96] Generated Node #3: [31, 96] from Operation: 27+69=96 Current State: 65:[31, 96], Operations: ['30+1=31', '27+69=96'] Exploring Operation: 96-31=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
4
Current State: 65:[30, 1, 27, 69], Operations: [] Exploring Operation: 30-27=3, Resulting Numbers: [1, 69, 3] Generated Node #0,0: 65:[1, 69, 3] Operation: 30-27=3 Start Sub Search at level 1: Moving to Node #0,0 Current State: 65:[1, 69, 3], Operations: ['30-27=3'] Exploring Operation: 69-1=68, Resulting Numbers: [3, 68] Generated Node #0,0,0: 65:[3, 68] Operation: 69-1=68 Moving to Node #0,0,0 Current State: 65:[3, 68], Operations: ['30-27=3', '69-1=68'] Exploring Operation: 68-3=65, Resulting Numbers: [65] 65,65 equal: Goal Reached Moving to Node #0 Current State: 65:[30, 1, 27, 69], Operations: [] Exploring Operation: 30-27=3, Resulting Numbers: [1, 69, 3] Generated Node #0,0: 65:[1, 69, 3] Operation: 30-27=3 Moving to Node #0,0 Current State: 65:[1, 69, 3], Operations: ['30-27=3'] Exploring Operation: 69-1=68, Resulting Numbers: [3, 68] Generated Node #0,0,0: 65:[3, 68] Operation: 69-1=68 Moving to Node #0,0,0 Current State: 65:[3, 68], Operations: ['30-27=3', '69-1=68'] Exploring Operation: 68-3=65, Resulting Numbers: [65] 65,65 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 41, 84, 12, 36 ]
43
[ "84-12=72", "72/36=2", "41+2=43" ]
Current State: 43:[41, 84, 12, 36], Operations: [] Exploring Operation: 84-12=72, Resulting Numbers: [41, 36, 72] Generated Node #2: [41, 36, 72] from Operation: 84-12=72 Current State: 43:[41, 36, 72], Operations: ['84-12=72'] Exploring Operation: 72/36=2, Resulting Numbers: [41, 2] Generated Node #3: [41, 2] from Operation: 72/36=2 Current State: 43:[41, 2], Operations: ['84-12=72', '72/36=2'] Exploring Operation: 41+2=43, Resulting Numbers: [43] 43,43 equal: Goal Reached
4
Current State: 43:[41, 84, 12, 36], Operations: [] Exploring Operation: 84-41=43, Resulting Numbers: [12, 36, 43] Generated Node #0,0: 43:[12, 36, 43] Operation: 84-41=43 Moving to Node #0,0 Current State: 43:[12, 36, 43], Operations: ['84-41=43'] Exploring Operation: 12+36=48, Resulting Numbers: [43, 48] Generated Node #0,0,0: 43:[43, 48] Operation: 12+36=48 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 43:[43, 48], Operations: ['84-41=43', '12+36=48'] Exploring Operation: 48-43=5, Resulting Numbers: [5] 5,43 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
[ 57, 44, 84, 26 ]
42
[ "57-44=13", "84*13=1092", "1092/26=42" ]
Current State: 42:[57, 44, 84, 26], Operations: [] Exploring Operation: 57-44=13, Resulting Numbers: [84, 26, 13] Generated Node #2: [84, 26, 13] from Operation: 57-44=13 Current State: 42:[84, 26, 13], Operations: ['57-44=13'] Exploring Operation: 84*13=1092, Resulting Numbers: [26, 1092] Generated Node #3: [26, 1092] from Operation: 84*13=1092 Current State: 42:[26, 1092], Operations: ['57-44=13', '84*13=1092'] Exploring Operation: 1092/26=42, Resulting Numbers: [42] 42,42 equal: Goal Reached
4
Current State: 42:[57, 44, 84, 26], Operations: [] Exploring Operation: 84-57=27, Resulting Numbers: [44, 26, 27] Generated Node #0,0: 42:[44, 26, 27] Operation: 84-57=27 Start Sub Search at level 1: Moving to Node #0,0 Current State: 42:[44, 26, 27], Operations: ['84-57=27'] Exploring Operation: 27-26=1, Resulting Numbers: [44, 1] Generated Node #0,0,0: 42:[44, 1] Operation: 27-26=1 Moving to Node #0,0,0 Current State: 42:[44, 1], Operations: ['84-57=27', '27-26=1'] Exploring Operation: 44-1=43, Resulting Numbers: [43] 43,42 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 33, 93, 43, 19 ]
22
[ "43+19=62", "33*62=2046", "2046/93=22" ]
Current State: 22:[33, 93, 43, 19], Operations: [] Exploring Operation: 43+19=62, Resulting Numbers: [33, 93, 62] Generated Node #2: [33, 93, 62] from Operation: 43+19=62 Current State: 22:[33, 93, 62], Operations: ['43+19=62'] Exploring Operation: 33*62=2046, Resulting Numbers: [93, 2046] Generated Node #3: [93, 2046] from Operation: 33*62=2046 Current State: 22:[93, 2046], Operations: ['43+19=62', '33*62=2046'] Exploring Operation: 2046/93=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
4
Current State: 22:[33, 93, 43, 19], Operations: [] Exploring Operation: 93-43=50, Resulting Numbers: [33, 19, 50] Generated Node #0,0: 22:[33, 19, 50] Operation: 93-43=50 Start Sub Search at level 1: Moving to Node #0,0 Current State: 22:[33, 19, 50], Operations: ['93-43=50'] Exploring Operation: 50-33=17, Resulting Numbers: [19, 17] Generated Node #0,0,0: 22:[19, 17] Operation: 50-33=17 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 22:[19, 17], Operations: ['93-43=50', '50-33=17'] Exploring Operation: 19-17=2, Resulting Numbers: [2] 2,22 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 52, 6, 15, 42 ]
53
[ "42/6=7", "15*7=105", "105-52=53" ]
Current State: 53:[52, 6, 15, 42], Operations: [] Exploring Operation: 42/6=7, Resulting Numbers: [52, 15, 7] Generated Node #2: [52, 15, 7] from Operation: 42/6=7 Current State: 53:[52, 15, 7], Operations: ['42/6=7'] Exploring Operation: 15*7=105, Resulting Numbers: [52, 105] Generated Node #3: [52, 105] from Operation: 15*7=105 Current State: 53:[52, 105], Operations: ['42/6=7', '15*7=105'] Exploring Operation: 105-52=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[52, 6, 15, 42], Operations: [] Exploring Operation: 6+15=21, Resulting Numbers: [52, 42, 21] Generated Node #0,0: 53:[52, 42, 21] Operation: 6+15=21 Moving to Node #0,0 Current State: 53:[52, 42, 21], Operations: ['6+15=21'] Exploring Operation: 42+21=63, Resulting Numbers: [52, 63] Generated Node #0,0,0: 53:[52, 63] Operation: 42+21=63 Moving to Node #0,0,0 Current State: 53:[52, 63], Operations: ['6+15=21', '42+21=63'] Exploring Operation: 63-52=11, Resulting Numbers: [11] 11,53 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 77, 63, 12, 7 ]
32
[ "77+63=140", "140/7=20", "12+20=32" ]
Current State: 32:[77, 63, 12, 7], Operations: [] Exploring Operation: 77+63=140, Resulting Numbers: [12, 7, 140] Generated Node #2: [12, 7, 140] from Operation: 77+63=140 Current State: 32:[12, 7, 140], Operations: ['77+63=140'] Exploring Operation: 140/7=20, Resulting Numbers: [12, 20] Generated Node #3: [12, 20] from Operation: 140/7=20 Current State: 32:[12, 20], Operations: ['77+63=140', '140/7=20'] Exploring Operation: 12+20=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[77, 63, 12, 7], Operations: [] Exploring Operation: 77-63=14, Resulting Numbers: [12, 7, 14] Generated Node #0,0: 32:[12, 7, 14] Operation: 77-63=14 Moving to Node #0,0 Current State: 32:[12, 7, 14], Operations: ['77-63=14'] Exploring Operation: 14-12=2, Resulting Numbers: [7, 2] Generated Node #0,0,0: 32:[7, 2] Operation: 14-12=2 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 32:[7, 2], Operations: ['77-63=14', '14-12=2'] Exploring Operation: 7+2=9, Resulting Numbers: [9] 9,32 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
[ 30, 63, 67, 96 ]
65
[ "30+96=126", "126/63=2", "67-2=65" ]
Current State: 65:[30, 63, 67, 96], Operations: [] Exploring Operation: 30+96=126, Resulting Numbers: [63, 67, 126] Generated Node #2: [63, 67, 126] from Operation: 30+96=126 Current State: 65:[63, 67, 126], Operations: ['30+96=126'] Exploring Operation: 126/63=2, Resulting Numbers: [67, 2] Generated Node #3: [67, 2] from Operation: 126/63=2 Current State: 65:[67, 2], Operations: ['30+96=126', '126/63=2'] Exploring Operation: 67-2=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
4
Current State: 65:[30, 63, 67, 96], Operations: [] Exploring Operation: 96-67=29, Resulting Numbers: [30, 63, 29] Generated Node #0,0: 65:[30, 63, 29] Operation: 96-67=29 Exploring Operation: 67-63=4, Resulting Numbers: [30, 96, 4] Generated Node #0,1: 65:[30, 96, 4] Operation: 67-63=4 Exploring Operation: 96-30=66, Resulting Numbers: [63, 67, 66] Generated Node #0,2: 65:[63, 67, 66] Operation: 96-30=66 Exploring Operation: 96-63=33, Resulting Numbers: [30, 67, 33] Generated Node #0,3: 65:[30, 67, 33] Operation: 96-63=33 Start Sub Search at level 1: Moving to Node #0,2 Current State: 65:[63, 67, 66], Operations: ['96-30=66'] Exploring Operation: 67-66=1, Resulting Numbers: [63, 1] Generated Node #0,2,0: 65:[63, 1] Operation: 67-66=1 Exploring Operation: 63+67=130, Resulting Numbers: [66, 130] Generated Node #0,2,1: 65:[66, 130] Operation: 63+67=130 Exploring Operation: 66-63=3, Resulting Numbers: [67, 3] Generated Node #0,2,2: 65:[67, 3] Operation: 66-63=3 Exploring Operation: 67-63=4, Resulting Numbers: [66, 4] Generated Node #0,2,3: 65:[66, 4] Operation: 67-63=4 Moving to Node #0,2,3 Current State: 65:[66, 4], Operations: ['96-30=66', '67-63=4'] Exploring Operation: 66+4=70, Resulting Numbers: [70] 70,65 unequal: No Solution Exploring Operation: 66*4=264, Resulting Numbers: [264] 264,65 unequal: No Solution Exploring Operation: 66-4=62, Resulting Numbers: [62] 62,65 unequal: No Solution Moving to Node #0,2,2 Current State: 65:[67, 3], Operations: ['96-30=66', '66-63=3'] Exploring Operation: 67*3=201, Resulting Numbers: [201] 201,65 unequal: No Solution Exploring Operation: 67-3=64, Resulting Numbers: [64] 64,65 unequal: No Solution Exploring Operation: 67+3=70, Resulting Numbers: [70] 70,65 unequal: No Solution Moving to Node #0,2,0 Current State: 65:[63, 1], Operations: ['96-30=66', '67-66=1'] Exploring Operation: 63+1=64, Resulting Numbers: [64] 64,65 unequal: No Solution Exploring Operation: 63-1=62, Resulting Numbers: [62] 62,65 unequal: No Solution Exploring Operation: 63/1=63, Resulting Numbers: [63] 63,65 unequal: No Solution Exploring Operation: 63*1=63, Resulting Numbers: [63] 63,65 unequal: No Solution Moving to Node #0,2,1 Current State: 65:[66, 130], Operations: ['96-30=66', '63+67=130'] Exploring Operation: 66+130=196, Resulting Numbers: [196] 196,65 unequal: No Solution Exploring Operation: 130-66=64, Resulting Numbers: [64] 64,65 unequal: No Solution Exploring Operation: 66*130=8580, Resulting Numbers: [8580] 8580,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 65:[30, 63, 29], Operations: ['96-67=29'] Exploring Operation: 63-30=33, Resulting Numbers: [29, 33] Generated Node #0,0,0: 65:[29, 33] Operation: 63-30=33 Exploring Operation: 30-29=1, Resulting Numbers: [63, 1] Generated Node #0,0,1: 65:[63, 1] Operation: 30-29=1 Exploring Operation: 63-29=34, Resulting Numbers: [30, 34] Generated Node #0,0,2: 65:[30, 34] Operation: 63-29=34 Exploring Operation: 30+29=59, Resulting Numbers: [63, 59] Generated Node #0,0,3: 65:[63, 59] Operation: 30+29=59 Moving to Node #0,0,1 Current State: 65:[63, 1], Operations: ['96-67=29', '30-29=1'] Exploring Operation: 63+1=64, Resulting Numbers: [64] 64,65 unequal: No Solution Exploring Operation: 63*1=63, Resulting Numbers: [63] 63,65 unequal: No Solution Exploring Operation: 63/1=63, Resulting Numbers: [63] 63,65 unequal: No Solution Exploring Operation: 63-1=62, Resulting Numbers: [62] 62,65 unequal: No Solution Moving to Node #0,0,3 Current State: 65:[63, 59], Operations: ['96-67=29', '30+29=59'] Exploring Operation: 63+59=122, Resulting Numbers: [122] 122,65 unequal: No Solution Exploring Operation: 63*59=3717, Resulting Numbers: [3717] 3717,65 unequal: No Solution Exploring Operation: 63-59=4, Resulting Numbers: [4] 4,65 unequal: No Solution Moving to Node #0,0,0 Current State: 65:[29, 33], Operations: ['96-67=29', '63-30=33'] Exploring Operation: 29*33=957, Resulting Numbers: [957] 957,65 unequal: No Solution Exploring Operation: 29+33=62, Resulting Numbers: [62] 62,65 unequal: No Solution Exploring Operation: 33-29=4, Resulting Numbers: [4] 4,65 unequal: No Solution Moving to Node #0,0,2 Current State: 65:[30, 34], Operations: ['96-67=29', '63-29=34'] Exploring Operation: 30*34=1020, Resulting Numbers: [1020] 1020,65 unequal: No Solution Exploring Operation: 34-30=4, Resulting Numbers: [4] 4,65 unequal: No Solution Exploring Operation: 30+34=64, Resulting Numbers: [64] 64,65 unequal: No Solution No 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: 65:[30, 67, 33], Operations: ['96-63=33'] Exploring Operation: 67-30=37, Resulting Numbers: [33, 37] Generated Node #0,3,0: 65:[33, 37] Operation: 67-30=37 Exploring Operation: 33-30=3, Resulting Numbers: [67, 3] Generated Node #0,3,1: 65:[67, 3] Operation: 33-30=3 Exploring Operation: 30+33=63, Resulting Numbers: [67, 63] Generated Node #0,3,2: 65:[67, 63] Operation: 30+33=63 Exploring Operation: 67-33=34, Resulting Numbers: [30, 34] Generated Node #0,3,3: 65:[30, 34] Operation: 67-33=34 Moving to Node #0,3,1 Current State: 65:[67, 3], Operations: ['96-63=33', '33-30=3'] Exploring Operation: 67*3=201, Resulting Numbers: [201] 201,65 unequal: No Solution Exploring Operation: 67-3=64, Resulting Numbers: [64] 64,65 unequal: No Solution Exploring Operation: 67+3=70, Resulting Numbers: [70] 70,65 unequal: No Solution Moving to Node #0,3,2 Current State: 65:[67, 63], Operations: ['96-63=33', '30+33=63'] Exploring Operation: 67*63=4221, Resulting Numbers: [4221] 4221,65 unequal: No Solution Exploring Operation: 67+63=130, Resulting Numbers: [130] 130,65 unequal: No Solution Exploring Operation: 67-63=4, Resulting Numbers: [4] 4,65 unequal: No Solution Moving to Node #0,3,3 Current State: 65:[30, 34], Operations: ['96-63=33', '67-33=34'] Exploring Operation: 30*34=1020, Resulting Numbers: [1020] 1020,65 unequal: No Solution Exploring Operation: 34-30=4, Resulting Numbers: [4] 4,65 unequal: No Solution Exploring Operation: 30+34=64, Resulting Numbers: [64] 64,65 unequal: No Solution Moving to Node #0,3,0 Current State: 65:[33, 37], Operations: ['96-63=33', '67-30=37'] Exploring Operation: 33+37=70, Resulting Numbers: [70] 70,65 unequal: No Solution Exploring Operation: 37-33=4, Resulting Numbers: [4] 4,65 unequal: No Solution Exploring Operation: 33*37=1221, Resulting Numbers: [1221] 1221,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 65:[30, 96, 4], Operations: ['67-63=4'] Exploring Operation: 96/4=24, Resulting Numbers: [30, 24] Generated Node #0,1,0: 65:[30, 24] Operation: 96/4=24 Exploring Operation: 30-4=26, Resulting Numbers: [96, 26] Generated Node #0,1,1: 65:[96, 26] Operation: 30-4=26 Exploring Operation: 96-30=66, Resulting Numbers: [4, 66] Generated Node #0,1,2: 65:[4, 66] Operation: 96-30=66 Exploring Operation: 96-4=92, Resulting Numbers: [30, 92] Generated Node #0,1,3: 65:[30, 92] Operation: 96-4=92 Moving to Node #0,1,2 Current State: 65:[4, 66], Operations: ['67-63=4', '96-30=66'] Exploring Operation: 4+66=70, Resulting Numbers: [70] 70,65 unequal: No Solution Exploring Operation: 4*66=264, Resulting Numbers: [264] 264,65 unequal: No Solution Exploring Operation: 66-4=62, Resulting Numbers: [62] 62,65 unequal: No Solution Moving to Node #0,1,0 Current State: 65:[30, 24], Operations: ['67-63=4', '96/4=24'] Exploring Operation: 30+24=54, Resulting Numbers: [54] 54,65 unequal: No Solution Exploring Operation: 30*24=720, Resulting Numbers: [720] 720,65 unequal: No Solution Exploring Operation: 30-24=6, Resulting Numbers: [6] 6,65 unequal: No Solution Moving to Node #0,1,3 Current State: 65:[30, 92], Operations: ['67-63=4', '96-4=92'] Exploring Operation: 30*92=2760, Resulting Numbers: [2760] 2760,65 unequal: No Solution Exploring Operation: 92-30=62, Resulting Numbers: [62] 62,65 unequal: No Solution Exploring Operation: 30+92=122, Resulting Numbers: [122] 122,65 unequal: No Solution Moving to Node #0,1,1 Current State: 65:[96, 26], Operations: ['67-63=4', '30-4=26'] Exploring Operation: 96-26=70, Resulting Numbers: [70] 70,65 unequal: No Solution Exploring Operation: 96+26=122, Resulting Numbers: [122] 122,65 unequal: No Solution Exploring Operation: 96*26=2496, Resulting Numbers: [2496] 2496,65 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
[ 86, 4, 42, 36 ]
41
[ "86+42=128", "36+128=164", "164/4=41" ]
Current State: 41:[86, 4, 42, 36], Operations: [] Exploring Operation: 86+42=128, Resulting Numbers: [4, 36, 128] Generated Node #2: [4, 36, 128] from Operation: 86+42=128 Current State: 41:[4, 36, 128], Operations: ['86+42=128'] Exploring Operation: 36+128=164, Resulting Numbers: [4, 164] Generated Node #3: [4, 164] from Operation: 36+128=164 Current State: 41:[4, 164], Operations: ['86+42=128', '36+128=164'] Exploring Operation: 164/4=41, Resulting Numbers: [41] 41,41 equal: Goal Reached
4
Current State: 41:[86, 4, 42, 36], Operations: [] Exploring Operation: 86-4=82, Resulting Numbers: [42, 36, 82] Generated Node #0,0: 41:[42, 36, 82] Operation: 86-4=82 Exploring Operation: 4+36=40, Resulting Numbers: [86, 42, 40] Generated Node #0,1: 41:[86, 42, 40] Operation: 4+36=40 Exploring Operation: 86-42=44, Resulting Numbers: [4, 36, 44] Generated Node #0,2: 41:[4, 36, 44] Operation: 86-42=44 Exploring Operation: 42-4=38, Resulting Numbers: [86, 36, 38] Generated Node #0,3: 41:[86, 36, 38] Operation: 42-4=38 Exploring Operation: 86-36=50, Resulting Numbers: [4, 42, 50] Generated Node #0,4: 41:[4, 42, 50] Operation: 86-36=50 Moving to Node #0,2 Current State: 41:[4, 36, 44], Operations: ['86-42=44'] Exploring Operation: 36/4=9, Resulting Numbers: [44, 9] Generated Node #0,2,0: 41:[44, 9] Operation: 36/4=9 Exploring Operation: 4+36=40, Resulting Numbers: [44, 40] Generated Node #0,2,1: 41:[44, 40] Operation: 4+36=40 Exploring Operation: 44-4=40, Resulting Numbers: [36, 40] Generated Node #0,2,2: 41:[36, 40] Operation: 44-4=40 Exploring Operation: 4+44=48, Resulting Numbers: [36, 48] Generated Node #0,2,3: 41:[36, 48] Operation: 4+44=48 Exploring Operation: 36-4=32, Resulting Numbers: [44, 32] Generated Node #0,2,4: 41:[44, 32] Operation: 36-4=32 Moving to Node #0,1 Current State: 41:[86, 42, 40], Operations: ['4+36=40'] Exploring Operation: 42-40=2, Resulting Numbers: [86, 2] Generated Node #0,1,0: 41:[86, 2] Operation: 42-40=2 Exploring Operation: 86-40=46, Resulting Numbers: [42, 46] Generated Node #0,1,1: 41:[42, 46] Operation: 86-40=46 Exploring Operation: 86-42=44, Resulting Numbers: [40, 44] Generated Node #0,1,2: 41:[40, 44] Operation: 86-42=44 Exploring Operation: 42+40=82, Resulting Numbers: [86, 82] Generated Node #0,1,3: 41:[86, 82] Operation: 42+40=82 Exploring Operation: 86+40=126, Resulting Numbers: [42, 126] Generated Node #0,1,4: 41:[42, 126] Operation: 86+40=126 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 41:[40, 44], Operations: ['4+36=40', '86-42=44'] Exploring Operation: 44-40=4, Resulting Numbers: [4] 4,41 unequal: No Solution Exploring Operation: 40*44=1760, Resulting Numbers: [1760] 1760,41 unequal: No Solution Exploring Operation: 40+44=84, Resulting Numbers: [84] 84,41 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:[42, 46], Operations: ['4+36=40', '86-40=46'] Exploring Operation: 42*46=1932, Resulting Numbers: [1932] 1932,41 unequal: No Solution Exploring Operation: 46-42=4, Resulting Numbers: [4] 4,41 unequal: No Solution Exploring Operation: 42+46=88, Resulting Numbers: [88] 88,41 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 #0,1,0 Current State: 41:[86, 2], Operations: ['4+36=40', '42-40=2'] Exploring Operation: 86/2=43, Resulting Numbers: [43] 43,41 unequal: No Solution Exploring Operation: 86*2=172, Resulting Numbers: [172] 172,41 unequal: No Solution Exploring Operation: 86-2=84, Resulting Numbers: [84] 84,41 unequal: No Solution Exploring Operation: 86+2=88, Resulting Numbers: [88] 88,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 41:[86, 82], Operations: ['4+36=40', '42+40=82'] Exploring Operation: 86*82=7052, Resulting Numbers: [7052] 7052,41 unequal: No Solution Exploring Operation: 86-82=4, Resulting Numbers: [4] 4,41 unequal: No Solution Exploring Operation: 86+82=168, Resulting Numbers: [168] 168,41 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 #0,1,4 Current State: 41:[42, 126], Operations: ['4+36=40', '86+40=126'] Exploring Operation: 126/42=3, Resulting Numbers: [3] 3,41 unequal: No Solution Exploring Operation: 42+126=168, Resulting Numbers: [168] 168,41 unequal: No Solution Exploring Operation: 42*126=5292, Resulting Numbers: [5292] 5292,41 unequal: No Solution Exploring Operation: 126-42=84, Resulting Numbers: [84] 84,41 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: 41:[42, 36, 82], Operations: ['86-4=82'] Exploring Operation: 42-36=6, Resulting Numbers: [82, 6] Generated Node #0,0,0: 41:[82, 6] Operation: 42-36=6 Exploring Operation: 36+82=118, Resulting Numbers: [42, 118] Generated Node #0,0,1: 41:[42, 118] Operation: 36+82=118 Exploring Operation: 82-36=46, Resulting Numbers: [42, 46] Generated Node #0,0,2: 41:[42, 46] Operation: 82-36=46 Exploring Operation: 82-42=40, Resulting Numbers: [36, 40] Generated Node #0,0,3: 41:[36, 40] Operation: 82-42=40 Exploring Operation: 42+36=78, Resulting Numbers: [82, 78] Generated Node #0,0,4: 41:[82, 78] Operation: 42+36=78 Moving to Node #0,4 Current State: 41:[4, 42, 50], Operations: ['86-36=50'] Exploring Operation: 42-4=38, Resulting Numbers: [50, 38] Generated Node #0,4,0: 41:[50, 38] Operation: 42-4=38 Exploring Operation: 4+50=54, Resulting Numbers: [42, 54] Generated Node #0,4,1: 41:[42, 54] Operation: 4+50=54 Exploring Operation: 50-4=46, Resulting Numbers: [42, 46] Generated Node #0,4,2: 41:[42, 46] Operation: 50-4=46 Exploring Operation: 50-42=8, Resulting Numbers: [4, 8] Generated Node #0,4,3: 41:[4, 8] Operation: 50-42=8 Exploring Operation: 4+42=46, Resulting Numbers: [50, 46] Generated Node #0,4,4: 41:[50, 46] Operation: 4+42=46 Moving to Node #0,3 Current State: 41:[86, 36, 38], Operations: ['42-4=38'] Exploring Operation: 38-36=2, Resulting Numbers: [86, 2] Generated Node #0,3,0: 41:[86, 2] Operation: 38-36=2 Exploring Operation: 36+38=74, Resulting Numbers: [86, 74] Generated Node #0,3,1: 41:[86, 74] Operation: 36+38=74 Exploring Operation: 86-38=48, Resulting Numbers: [36, 48] Generated Node #0,3,2: 41:[36, 48] Operation: 86-38=48 Exploring Operation: 86-36=50, Resulting Numbers: [38, 50] Generated Node #0,3,3: 41:[38, 50] Operation: 86-36=50 Exploring Operation: 86+36=122, Resulting Numbers: [38, 122] Generated Node #0,3,4: 41:[38, 122] Operation: 86+36=122 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 41:[36, 48], Operations: ['42-4=38', '86-38=48'] Exploring Operation: 48-36=12, Resulting Numbers: [12] 12,41 unequal: No Solution Exploring Operation: 36*48=1728, Resulting Numbers: [1728] 1728,41 unequal: No Solution Exploring Operation: 36+48=84, Resulting Numbers: [84] 84,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 41:[38, 50], Operations: ['42-4=38', '86-36=50'] Exploring Operation: 50-38=12, Resulting Numbers: [12] 12,41 unequal: No Solution Exploring Operation: 38+50=88, Resulting Numbers: [88] 88,41 unequal: No Solution Exploring Operation: 38*50=1900, Resulting Numbers: [1900] 1900,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 41:[86, 74], Operations: ['42-4=38', '36+38=74'] Exploring Operation: 86-74=12, Resulting Numbers: [12] 12,41 unequal: No Solution Exploring Operation: 86*74=6364, Resulting Numbers: [6364] 6364,41 unequal: No Solution Exploring Operation: 86+74=160, Resulting Numbers: [160] 160,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 41:[86, 2], Operations: ['42-4=38', '38-36=2'] Exploring Operation: 86-2=84, Resulting Numbers: [84] 84,41 unequal: No Solution Exploring Operation: 86+2=88, Resulting Numbers: [88] 88,41 unequal: No Solution Exploring Operation: 86/2=43, Resulting Numbers: [43] 43,41 unequal: No Solution Exploring Operation: 86*2=172, Resulting Numbers: [172] 172,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 41:[38, 122], Operations: ['42-4=38', '86+36=122'] Exploring Operation: 38+122=160, Resulting Numbers: [160] 160,41 unequal: No Solution Exploring Operation: 38*122=4636, Resulting Numbers: [4636] 4636,41 unequal: No Solution Exploring Operation: 122-38=84, Resulting Numbers: [84] 84,41 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: 41:[44, 40], Operations: ['86-42=44', '4+36=40'] Exploring Operation: 44-40=4, Resulting Numbers: [4] 4,41 unequal: No Solution Exploring Operation: 44+40=84, Resulting Numbers: [84] 84,41 unequal: No Solution Exploring Operation: 44*40=1760, Resulting Numbers: [1760] 1760,41 unequal: No Solution Moving to Node #0,0,2 Current State: 41:[42, 46], Operations: ['86-4=82', '82-36=46'] Exploring Operation: 42*46=1932, Resulting Numbers: [1932] 1932,41 unequal: No Solution Exploring Operation: 42+46=88, Resulting Numbers: [88] 88,41 unequal: No Solution Exploring Operation: 46-42=4, Resulting Numbers: [4] 4,41 unequal: No Solution Moving to Node #0,0,3 Current State: 41:[36, 40], Operations: ['86-4=82', '82-42=40'] Exploring Operation: 36+40=76, Resulting Numbers: [76] 76,41 unequal: No Solution Exploring Operation: 40-36=4, Resulting Numbers: [4] 4,41 unequal: No Solution Exploring Operation: 36*40=1440, Resulting Numbers: [1440] 1440,41 unequal: No Solution Moving to Node #0,2,2 Current State: 41:[36, 40], Operations: ['86-42=44', '44-4=40'] Exploring Operation: 40-36=4, Resulting Numbers: [4] 4,41 unequal: No Solution Exploring Operation: 36*40=1440, Resulting Numbers: [1440] 1440,41 unequal: No Solution Exploring Operation: 36+40=76, Resulting Numbers: [76] 76,41 unequal: No Solution Moving to Node #0,4,2 Current State: 41:[42, 46], Operations: ['86-36=50', '50-4=46'] Exploring Operation: 42*46=1932, Resulting Numbers: [1932] 1932,41 unequal: No Solution Exploring Operation: 46-42=4, Resulting Numbers: [4] 4,41 unequal: No Solution Exploring Operation: 42+46=88, Resulting Numbers: [88] 88,41 unequal: No Solution Moving to Node #0,2,3 Current State: 41:[36, 48], Operations: ['86-42=44', '4+44=48'] Exploring Operation: 48-36=12, Resulting Numbers: [12] 12,41 unequal: No Solution Exploring Operation: 36+48=84, Resulting Numbers: [84] 84,41 unequal: No Solution Exploring Operation: 36*48=1728, Resulting Numbers: [1728] 1728,41 unequal: No Solution Moving to Node #0,4,0 Current State: 41:[50, 38], Operations: ['86-36=50', '42-4=38'] Exploring Operation: 50+38=88, Resulting Numbers: [88] 88,41 unequal: No Solution Exploring Operation: 50*38=1900, Resulting Numbers: [1900] 1900,41 unequal: No Solution Exploring Operation: 50-38=12, Resulting Numbers: [12] 12,41 unequal: No Solution Moving to Node #0,2,4 Current State: 41:[44, 32], Operations: ['86-42=44', '36-4=32'] Exploring Operation: 44-32=12, Resulting Numbers: [12] 12,41 unequal: No Solution Exploring Operation: 44*32=1408, Resulting Numbers: [1408] 1408,41 unequal: No Solution Exploring Operation: 44+32=76, Resulting Numbers: [76] 76,41 unequal: No Solution Moving to Node #0,4,4 Current State: 41:[50, 46], Operations: ['86-36=50', '4+42=46'] Exploring Operation: 50-46=4, Resulting Numbers: [4] 4,41 unequal: No Solution Exploring Operation: 50*46=2300, Resulting Numbers: [2300] 2300,41 unequal: No Solution Exploring Operation: 50+46=96, Resulting Numbers: [96] 96,41 unequal: No Solution Moving to Node #0,4,1 Current State: 41:[42, 54], Operations: ['86-36=50', '4+50=54'] Exploring Operation: 42+54=96, Resulting Numbers: [96] 96,41 unequal: No Solution Exploring Operation: 54-42=12, Resulting Numbers: [12] 12,41 unequal: No Solution Exploring Operation: 42*54=2268, Resulting Numbers: [2268] 2268,41 unequal: No Solution Moving to Node #0,2,0 Current State: 41:[44, 9], Operations: ['86-42=44', '36/4=9'] Exploring Operation: 44-9=35, Resulting Numbers: [35] 35,41 unequal: No Solution Exploring Operation: 44+9=53, Resulting Numbers: [53] 53,41 unequal: No Solution Exploring Operation: 44*9=396, Resulting Numbers: [396] 396,41 unequal: No Solution Moving to Node #0,4,3 Current State: 41:[4, 8], Operations: ['86-36=50', '50-42=8'] Exploring Operation: 8/4=2, Resulting Numbers: [2] 2,41 unequal: No Solution Exploring Operation: 4*8=32, Resulting Numbers: [32] 32,41 unequal: No Solution Exploring Operation: 8-4=4, Resulting Numbers: [4] 4,41 unequal: No Solution Exploring Operation: 4+8=12, Resulting Numbers: [12] 12,41 unequal: No Solution Moving to Node #0,0,0 Current State: 41:[82, 6], Operations: ['86-4=82', '42-36=6'] Exploring Operation: 82+6=88, Resulting Numbers: [88] 88,41 unequal: No Solution Exploring Operation: 82-6=76, Resulting Numbers: [76] 76,41 unequal: No Solution Exploring Operation: 82*6=492, Resulting Numbers: [492] 492,41 unequal: No Solution Moving to Node #0,0,4 Current State: 41:[82, 78], Operations: ['86-4=82', '42+36=78'] Exploring Operation: 82*78=6396, Resulting Numbers: [6396] 6396,41 unequal: No Solution Exploring Operation: 82-78=4, Resulting Numbers: [4] 4,41 unequal: No Solution Exploring Operation: 82+78=160, Resulting Numbers: [160] 160,41 unequal: No Solution Moving to Node #0,0,1 Current State: 41:[42, 118], Operations: ['86-4=82', '36+82=118'] Exploring Operation: 42+118=160, Resulting Numbers: [160] 160,41 unequal: No Solution Exploring Operation: 118-42=76, Resulting Numbers: [76] 76,41 unequal: No Solution Exploring Operation: 42*118=4956, Resulting Numbers: [4956] 4956,41 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 33, 85, 48, 49 ]
51
[ "85-33=52", "49-48=1", "52-1=51" ]
Current State: 51:[33, 85, 48, 49], Operations: [] Exploring Operation: 85-33=52, Resulting Numbers: [48, 49, 52] Generated Node #2: [48, 49, 52] from Operation: 85-33=52 Current State: 51:[48, 49, 52], Operations: ['85-33=52'] Exploring Operation: 49-48=1, Resulting Numbers: [52, 1] Generated Node #3: [52, 1] from Operation: 49-48=1 Current State: 51:[52, 1], Operations: ['85-33=52', '49-48=1'] Exploring Operation: 52-1=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[33, 85, 48, 49], Operations: [] Exploring Operation: 49-33=16, Resulting Numbers: [85, 48, 16] Generated Node #0,0: 51:[85, 48, 16] Operation: 49-33=16 Exploring Operation: 85-49=36, Resulting Numbers: [33, 48, 36] Generated Node #0,1: 51:[33, 48, 36] Operation: 85-49=36 Exploring Operation: 48-33=15, Resulting Numbers: [85, 49, 15] Generated Node #0,2: 51:[85, 49, 15] Operation: 48-33=15 Exploring Operation: 85-48=37, Resulting Numbers: [33, 49, 37] Generated Node #0,3: 51:[33, 49, 37] Operation: 85-48=37 Exploring Operation: 85-33=52, Resulting Numbers: [48, 49, 52] Generated Node #0,4: 51:[48, 49, 52] Operation: 85-33=52 Moving to Node #0,4 Current State: 51:[48, 49, 52], Operations: ['85-33=52'] Exploring Operation: 52-49=3, Resulting Numbers: [48, 3] Generated Node #0,4,0: 51:[48, 3] Operation: 52-49=3 Exploring Operation: 48+49=97, Resulting Numbers: [52, 97] Generated Node #0,4,1: 51:[52, 97] Operation: 48+49=97 Exploring Operation: 48+52=100, Resulting Numbers: [49, 100] Generated Node #0,4,2: 51:[49, 100] Operation: 48+52=100 Exploring Operation: 52-48=4, Resulting Numbers: [49, 4] Generated Node #0,4,3: 51:[49, 4] Operation: 52-48=4 Exploring Operation: 49-48=1, Resulting Numbers: [52, 1] Generated Node #0,4,4: 51:[52, 1] Operation: 49-48=1 Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 51:[48, 3], Operations: ['85-33=52', '52-49=3'] Exploring Operation: 48*3=144, Resulting Numbers: [144] 144,51 unequal: No Solution Exploring Operation: 48-3=45, Resulting Numbers: [45] 45,51 unequal: No Solution Exploring Operation: 48+3=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Moving to Node #0 Current State: 51:[33, 85, 48, 49], Operations: [] Exploring Operation: 85-33=52, Resulting Numbers: [48, 49, 52] Generated Node #0,4: 51:[48, 49, 52] Operation: 85-33=52 Moving to Node #0,4 Current State: 51:[48, 49, 52], Operations: ['85-33=52'] Exploring Operation: 52-49=3, Resulting Numbers: [48, 3] Generated Node #0,4,0: 51:[48, 3] Operation: 52-49=3 Moving to Node #0,4,0 Current State: 51:[48, 3], Operations: ['85-33=52', '52-49=3'] Exploring Operation: 48+3=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_5
mult_heuristic
[ 19, 21, 16, 21 ]
13
[ "21-19=2", "16/2=8", "21-8=13" ]
Current State: 13:[19, 21, 16, 21], Operations: [] Exploring Operation: 21-19=2, Resulting Numbers: [16, 2] Generated Node #2: [16, 2] from Operation: 21-19=2 Current State: 13:[16, 2], Operations: ['21-19=2'] Exploring Operation: 16/2=8, Resulting Numbers: [8] 8,13 equal: Goal Reached Exploring Operation: 21-8=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
4
Current State: 13:[19, 21, 16, 21], Operations: [] Exploring Operation: 21/21=1, Resulting Numbers: [19, 16, 1] Generated Node #0,0: 13:[19, 16, 1] Operation: 21/21=1 Exploring Operation: 21-16=5, Resulting Numbers: [19, 21, 5] Generated Node #0,1: 13:[19, 21, 5] Operation: 21-16=5 Exploring Operation: 21-19=2, Resulting Numbers: [21, 16, 2] Generated Node #0,2: 13:[21, 16, 2] Operation: 21-19=2 Exploring Operation: 21-19=2, Resulting Numbers: [16, 21, 2] Generated Node #0,3: 13:[16, 21, 2] Operation: 21-19=2 Moving to Node #0,0 Current State: 13:[19, 16, 1], Operations: ['21/21=1'] Exploring Operation: 19/1=19, Resulting Numbers: [16, 19] Generated Node #0,0,0: 13:[16, 19] Operation: 19/1=19 Exploring Operation: 16-1=15, Resulting Numbers: [19, 15] Generated Node #0,0,1: 13:[19, 15] Operation: 16-1=15 Exploring Operation: 19-1=18, Resulting Numbers: [16, 18] Generated Node #0,0,2: 13:[16, 18] Operation: 19-1=18 Exploring Operation: 19*1=19, Resulting Numbers: [16, 19] Generated Node #0,0,3: 13:[16, 19] Operation: 19*1=19 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 13:[19, 15], Operations: ['21/21=1', '16-1=15'] Exploring Operation: 19+15=34, Resulting Numbers: [34] 34,13 unequal: No Solution Exploring Operation: 19-15=4, Resulting Numbers: [4] 4,13 unequal: No Solution Exploring Operation: 19*15=285, Resulting Numbers: [285] 285,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 13:[16, 18], Operations: ['21/21=1', '19-1=18'] Exploring Operation: 16*18=288, Resulting Numbers: [288] 288,13 unequal: No Solution Exploring Operation: 16+18=34, Resulting Numbers: [34] 34,13 unequal: No Solution Exploring Operation: 18-16=2, Resulting Numbers: [2] 2,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 13:[16, 19], Operations: ['21/21=1', '19/1=19'] Exploring Operation: 19-16=3, Resulting Numbers: [3] 3,13 unequal: No Solution Exploring Operation: 16+19=35, Resulting Numbers: [35] 35,13 unequal: No Solution Exploring Operation: 16*19=304, Resulting Numbers: [304] 304,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 13:[16, 19], Operations: ['21/21=1', '19*1=19'] Exploring Operation: 16*19=304, Resulting Numbers: [304] 304,13 unequal: No Solution Exploring Operation: 19-16=3, Resulting Numbers: [3] 3,13 unequal: No Solution Exploring Operation: 16+19=35, Resulting Numbers: [35] 35,13 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: 13:[21, 16, 2], Operations: ['21-19=2'] Exploring Operation: 21+2=23, Resulting Numbers: [16, 23] Generated Node #0,2,0: 13:[16, 23] Operation: 21+2=23 Exploring Operation: 16-2=14, Resulting Numbers: [21, 14] Generated Node #0,2,1: 13:[21, 14] Operation: 16-2=14 Exploring Operation: 16+2=18, Resulting Numbers: [21, 18] Generated Node #0,2,2: 13:[21, 18] Operation: 16+2=18 Exploring Operation: 21-2=19, Resulting Numbers: [16, 19] Generated Node #0,2,3: 13:[16, 19] Operation: 21-2=19 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 13:[21, 14], Operations: ['21-19=2', '16-2=14'] Exploring Operation: 21-14=7, Resulting Numbers: [7] 7,13 unequal: No Solution Exploring Operation: 21*14=294, Resulting Numbers: [294] 294,13 unequal: No Solution Exploring Operation: 21+14=35, Resulting Numbers: [35] 35,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 13:[16, 19], Operations: ['21-19=2', '21-2=19'] Exploring Operation: 16*19=304, Resulting Numbers: [304] 304,13 unequal: No Solution Exploring Operation: 16+19=35, Resulting Numbers: [35] 35,13 unequal: No Solution Exploring Operation: 19-16=3, Resulting Numbers: [3] 3,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 13:[16, 23], Operations: ['21-19=2', '21+2=23'] Exploring Operation: 23-16=7, Resulting Numbers: [7] 7,13 unequal: No Solution Exploring Operation: 16+23=39, Resulting Numbers: [39] 39,13 unequal: No Solution Exploring Operation: 16*23=368, Resulting Numbers: [368] 368,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 13:[21, 18], Operations: ['21-19=2', '16+2=18'] Exploring Operation: 21*18=378, Resulting Numbers: [378] 378,13 unequal: No Solution Exploring Operation: 21-18=3, Resulting Numbers: [3] 3,13 unequal: No Solution Exploring Operation: 21+18=39, Resulting Numbers: [39] 39,13 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: 13:[19, 21, 5], Operations: ['21-16=5'] Exploring Operation: 21-5=16, Resulting Numbers: [19, 16] Generated Node #0,1,0: 13:[19, 16] Operation: 21-5=16 Exploring Operation: 21-19=2, Resulting Numbers: [5, 2] Generated Node #0,1,1: 13:[5, 2] Operation: 21-19=2 Exploring Operation: 19+5=24, Resulting Numbers: [21, 24] Generated Node #0,1,2: 13:[21, 24] Operation: 19+5=24 Exploring Operation: 19-5=14, Resulting Numbers: [21, 14] Generated Node #0,1,3: 13:[21, 14] Operation: 19-5=14 Moving to Node #0,3 Current State: 13:[16, 21, 2], Operations: ['21-19=2'] Exploring Operation: 16/2=8, Resulting Numbers: [21, 8] Generated Node #0,3,0: 13:[21, 8] Operation: 16/2=8 Exploring Operation: 16-2=14, Resulting Numbers: [21, 14] Generated Node #0,3,1: 13:[21, 14] Operation: 16-2=14 Exploring Operation: 16+2=18, Resulting Numbers: [21, 18] Generated Node #0,3,2: 13:[21, 18] Operation: 16+2=18 Exploring Operation: 21-2=19, Resulting Numbers: [16, 19] Generated Node #0,3,3: 13:[16, 19] Operation: 21-2=19 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 13:[21, 14], Operations: ['21-19=2', '16-2=14'] Exploring Operation: 21*14=294, Resulting Numbers: [294] 294,13 unequal: No Solution Exploring Operation: 21-14=7, Resulting Numbers: [7] 7,13 unequal: No Solution Exploring Operation: 21+14=35, Resulting Numbers: [35] 35,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 13:[16, 19], Operations: ['21-19=2', '21-2=19'] Exploring Operation: 19-16=3, Resulting Numbers: [3] 3,13 unequal: No Solution Exploring Operation: 16*19=304, Resulting Numbers: [304] 304,13 unequal: No Solution Exploring Operation: 16+19=35, Resulting Numbers: [35] 35,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 13:[21, 8], Operations: ['21-19=2', '16/2=8'] Exploring Operation: 21+8=29, Resulting Numbers: [29] 29,13 unequal: No Solution Exploring Operation: 21*8=168, Resulting Numbers: [168] 168,13 unequal: No Solution Exploring Operation: 21-8=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Moving to Node #0 Current State: 13:[19, 21, 16, 21], Operations: [] Exploring Operation: 21-19=2, Resulting Numbers: [16, 21, 2] Generated Node #0,3: 13:[16, 21, 2] Operation: 21-19=2 Moving to Node #0,3 Current State: 13:[16, 21, 2], Operations: ['21-19=2'] Exploring Operation: 16/2=8, Resulting Numbers: [21, 8] Generated Node #0,3,0: 13:[21, 8] Operation: 16/2=8 Moving to Node #0,3,0 Current State: 13:[21, 8], Operations: ['21-19=2', '16/2=8'] Exploring Operation: 21-8=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Exit Sub Search at level 1
0.950521
hs_4
mult_heuristic
[ 78, 50, 41, 3 ]
81
[ "50-41=9", "9/3=3", "78+3=81" ]
Current State: 81:[78, 50, 41, 3], Operations: [] Exploring Operation: 50-41=9, Resulting Numbers: [78, 3, 9] Generated Node #2: [78, 3, 9] from Operation: 50-41=9 Current State: 81:[78, 3, 9], Operations: ['50-41=9'] Exploring Operation: 9/3=3, Resulting Numbers: [78, 3] Generated Node #3: [78, 3] from Operation: 9/3=3 Current State: 81:[78, 3], Operations: ['50-41=9', '9/3=3'] Exploring Operation: 78+3=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[78, 50, 41, 3], Operations: [] Exploring Operation: 78-50=28, Resulting Numbers: [41, 3, 28] Generated Node #0,0: 81:[41, 3, 28] Operation: 78-50=28 Exploring Operation: 50+41=91, Resulting Numbers: [78, 3, 91] Generated Node #0,1: 81:[78, 3, 91] Operation: 50+41=91 Exploring Operation: 50-41=9, Resulting Numbers: [78, 3, 9] Generated Node #0,2: 81:[78, 3, 9] Operation: 50-41=9 Start Sub Search at level 1: Moving to Node #0,2 Current State: 81:[78, 3, 9], Operations: ['50-41=9'] Exploring Operation: 78+3=81, Resulting Numbers: [9, 81] Generated Node #0,2,0: 81:[9, 81] Operation: 78+3=81 Exploring Operation: 78/3=26, Resulting Numbers: [9, 26] Generated Node #0,2,1: 81:[9, 26] Operation: 78/3=26 Exploring Operation: 3*9=27, Resulting Numbers: [78, 27] Generated Node #0,2,2: 81:[78, 27] Operation: 3*9=27 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 81:[9, 81], Operations: ['50-41=9', '78+3=81'] Exploring Operation: 81/9=9, Resulting Numbers: [9] 9,81 unequal: No Solution Exploring Operation: 9+81=90, Resulting Numbers: [90] 90,81 unequal: No Solution Exploring Operation: 81-9=72, Resulting Numbers: [72] 72,81 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 81:[9, 26], Operations: ['50-41=9', '78/3=26'] Exploring Operation: 9*26=234, Resulting Numbers: [234] 234,81 unequal: No Solution Exploring Operation: 9+26=35, Resulting Numbers: [35] 35,81 unequal: No Solution Exploring Operation: 26-9=17, Resulting Numbers: [17] 17,81 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 81:[78, 27], Operations: ['50-41=9', '3*9=27'] Exploring Operation: 78-27=51, Resulting Numbers: [51] 51,81 unequal: No Solution Exploring Operation: 78*27=2106, Resulting Numbers: [2106] 2106,81 unequal: No Solution Exploring Operation: 78+27=105, Resulting Numbers: [105] 105,81 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 81:[78, 3, 91], Operations: ['50+41=91'] Exploring Operation: 91-78=13, Resulting Numbers: [3, 13] Generated Node #0,1,0: 81:[3, 13] Operation: 91-78=13 Exploring Operation: 78+3=81, Resulting Numbers: [91, 81] Generated Node #0,1,1: 81:[91, 81] Operation: 78+3=81 Exploring Operation: 91-3=88, Resulting Numbers: [78, 88] Generated Node #0,1,2: 81:[78, 88] Operation: 91-3=88 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 81:[3, 13], Operations: ['50+41=91', '91-78=13'] Exploring Operation: 13-3=10, Resulting Numbers: [10] 10,81 unequal: No Solution Exploring Operation: 3+13=16, Resulting Numbers: [16] 16,81 unequal: No Solution Exploring Operation: 3*13=39, Resulting Numbers: [39] 39,81 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 81:[91, 81], Operations: ['50+41=91', '78+3=81'] Exploring Operation: 91+81=172, Resulting Numbers: [172] 172,81 unequal: No Solution Exploring Operation: 91-81=10, Resulting Numbers: [10] 10,81 unequal: No Solution Exploring Operation: 91*81=7371, Resulting Numbers: [7371] 7371,81 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 81:[78, 88], Operations: ['50+41=91', '91-3=88'] Exploring Operation: 78+88=166, Resulting Numbers: [166] 166,81 unequal: No Solution Exploring Operation: 78*88=6864, Resulting Numbers: [6864] 6864,81 unequal: No Solution Exploring Operation: 88-78=10, Resulting Numbers: [10] 10,81 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 81:[41, 3, 28], Operations: ['78-50=28'] Exploring Operation: 41-28=13, Resulting Numbers: [3, 13] Generated Node #0,0,0: 81:[3, 13] Operation: 41-28=13 Exploring Operation: 41+28=69, Resulting Numbers: [3, 69] Generated Node #0,0,1: 81:[3, 69] Operation: 41+28=69 Exploring Operation: 41-3=38, Resulting Numbers: [28, 38] Generated Node #0,0,2: 81:[28, 38] Operation: 41-3=38 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 81:[3, 13], Operations: ['78-50=28', '41-28=13'] Exploring Operation: 3+13=16, Resulting Numbers: [16] 16,81 unequal: No Solution Exploring Operation: 3*13=39, Resulting Numbers: [39] 39,81 unequal: No Solution Exploring Operation: 13-3=10, Resulting Numbers: [10] 10,81 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 81:[3, 69], Operations: ['78-50=28', '41+28=69'] Exploring Operation: 69/3=23, Resulting Numbers: [23] 23,81 unequal: No Solution Exploring Operation: 69-3=66, Resulting Numbers: [66] 66,81 unequal: No Solution Exploring Operation: 3+69=72, Resulting Numbers: [72] 72,81 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 81:[28, 38], Operations: ['78-50=28', '41-3=38'] Exploring Operation: 38-28=10, Resulting Numbers: [10] 10,81 unequal: No Solution Exploring Operation: 28+38=66, Resulting Numbers: [66] 66,81 unequal: No Solution Exploring Operation: 28*38=1064, Resulting Numbers: [1064] 1064,81 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 58, 34, 76, 1 ]
15
[ "58+34=92", "76+1=77", "92-77=15" ]
Current State: 15:[58, 34, 76, 1], Operations: [] Exploring Operation: 58+34=92, Resulting Numbers: [76, 1, 92] Generated Node #2: [76, 1, 92] from Operation: 58+34=92 Current State: 15:[76, 1, 92], Operations: ['58+34=92'] Exploring Operation: 76+1=77, Resulting Numbers: [92, 77] Generated Node #3: [92, 77] from Operation: 76+1=77 Current State: 15:[92, 77], Operations: ['58+34=92', '76+1=77'] Exploring Operation: 92-77=15, Resulting Numbers: [15] 15,15 equal: Goal Reached
4
Current State: 15:[58, 34, 76, 1], Operations: [] Exploring Operation: 58-34=24, Resulting Numbers: [76, 1, 24] Generated Node #0,0: 15:[76, 1, 24] Operation: 58-34=24 Exploring Operation: 76-58=18, Resulting Numbers: [34, 1, 18] Generated Node #0,1: 15:[34, 1, 18] Operation: 76-58=18 Exploring Operation: 58-1=57, Resulting Numbers: [34, 76, 57] Generated Node #0,2: 15:[34, 76, 57] Operation: 58-1=57 Exploring Operation: 34-1=33, Resulting Numbers: [58, 76, 33] Generated Node #0,3: 15:[58, 76, 33] Operation: 34-1=33 Exploring Operation: 76-34=42, Resulting Numbers: [58, 1, 42] Generated Node #0,4: 15:[58, 1, 42] Operation: 76-34=42 Start Sub Search at level 1: Moving to Node #0,1 Current State: 15:[34, 1, 18], Operations: ['76-58=18'] Exploring Operation: 34*1=34, Resulting Numbers: [18, 34] Generated Node #0,1,0: 15:[18, 34] Operation: 34*1=34 Exploring Operation: 34-1=33, Resulting Numbers: [18, 33] Generated Node #0,1,1: 15:[18, 33] Operation: 34-1=33 Exploring Operation: 18-1=17, Resulting Numbers: [34, 17] Generated Node #0,1,2: 15:[34, 17] Operation: 18-1=17 Exploring Operation: 34-18=16, Resulting Numbers: [1, 16] Generated Node #0,1,3: 15:[1, 16] Operation: 34-18=16 Exploring Operation: 34/1=34, Resulting Numbers: [18, 34] Generated Node #0,1,4: 15:[18, 34] Operation: 34/1=34 Moving to Node #0,1,3 Current State: 15:[1, 16], Operations: ['76-58=18', '34-18=16'] Exploring Operation: 1*16=16, Resulting Numbers: [16] 16,15 unequal: No Solution Exploring Operation: 1+16=17, Resulting Numbers: [17] 17,15 unequal: No Solution Exploring Operation: 16-1=15, Resulting Numbers: [15] 15,15 equal: Goal Reached Moving to Node #0 Current State: 15:[58, 34, 76, 1], Operations: [] Exploring Operation: 76-58=18, Resulting Numbers: [34, 1, 18] Generated Node #0,1: 15:[34, 1, 18] Operation: 76-58=18 Moving to Node #0,1 Current State: 15:[34, 1, 18], Operations: ['76-58=18'] Exploring Operation: 34-18=16, Resulting Numbers: [1, 16] Generated Node #0,1,3: 15:[1, 16] Operation: 34-18=16 Moving to Node #0,1,3 Current State: 15:[1, 16], Operations: ['76-58=18', '34-18=16'] Exploring Operation: 16-1=15, Resulting Numbers: [15] 15,15 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_5
sum_heuristic
[ 70, 34, 90, 9 ]
94
[ "70+34=104", "90/9=10", "104-10=94" ]
Current State: 94:[70, 34, 90, 9], Operations: [] Exploring Operation: 70+34=104, Resulting Numbers: [90, 9, 104] Generated Node #2: [90, 9, 104] from Operation: 70+34=104 Current State: 94:[90, 9, 104], Operations: ['70+34=104'] Exploring Operation: 90/9=10, Resulting Numbers: [104, 10] Generated Node #3: [104, 10] from Operation: 90/9=10 Current State: 94:[104, 10], Operations: ['70+34=104', '90/9=10'] Exploring Operation: 104-10=94, Resulting Numbers: [94] 94,94 equal: Goal Reached
4
Current State: 94:[70, 34, 90, 9], Operations: [] Exploring Operation: 70-34=36, Resulting Numbers: [90, 9, 36] Generated Node #0,0: 94:[90, 9, 36] Operation: 70-34=36 Exploring Operation: 70+34=104, Resulting Numbers: [90, 9, 104] Generated Node #0,1: 94:[90, 9, 104] Operation: 70+34=104 Moving to Node #0,1 Current State: 94:[90, 9, 104], Operations: ['70+34=104'] Exploring Operation: 104-9=95, Resulting Numbers: [90, 95] Generated Node #0,1,0: 94:[90, 95] Operation: 104-9=95 Exploring Operation: 90+9=99, Resulting Numbers: [104, 99] Generated Node #0,1,1: 94:[104, 99] Operation: 90+9=99 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 94:[90, 95], Operations: ['70+34=104', '104-9=95'] Exploring Operation: 90+95=185, Resulting Numbers: [185] 185,94 unequal: No Solution Exploring Operation: 95-90=5, Resulting Numbers: [5] 5,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 94:[104, 99], Operations: ['70+34=104', '90+9=99'] Exploring Operation: 104-99=5, Resulting Numbers: [5] 5,94 unequal: No Solution Exploring Operation: 104+99=203, Resulting Numbers: [203] 203,94 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: 94:[90, 9, 36], Operations: ['70-34=36'] Exploring Operation: 36/9=4, Resulting Numbers: [90, 4] Generated Node #0,0,0: 94:[90, 4] Operation: 36/9=4 Exploring Operation: 9+36=45, Resulting Numbers: [90, 45] Generated Node #0,0,1: 94:[90, 45] Operation: 9+36=45 Moving to Node #0,0,0 Current State: 94:[90, 4], Operations: ['70-34=36', '36/9=4'] Exploring Operation: 90+4=94, Resulting Numbers: [94] 94,94 equal: Goal Reached Moving to Node #0 Current State: 94:[70, 34, 90, 9], Operations: [] Exploring Operation: 70-34=36, Resulting Numbers: [90, 9, 36] Generated Node #0,0: 94:[90, 9, 36] Operation: 70-34=36 Moving to Node #0,0 Current State: 94:[90, 9, 36], Operations: ['70-34=36'] Exploring Operation: 36/9=4, Resulting Numbers: [90, 4] Generated Node #0,0,0: 94:[90, 4] Operation: 36/9=4 Moving to Node #0,0,0 Current State: 94:[90, 4], Operations: ['70-34=36', '36/9=4'] Exploring Operation: 90+4=94, Resulting Numbers: [94] 94,94 equal: Goal Reached
0.986979
hs_2
sum_heuristic
[ 6, 5, 23, 62 ]
50
[ "6+5=11", "62-23=39", "11+39=50" ]
Current State: 50:[6, 5, 23, 62], Operations: [] Exploring Operation: 6+5=11, Resulting Numbers: [23, 62, 11] Generated Node #2: [23, 62, 11] from Operation: 6+5=11 Current State: 50:[23, 62, 11], Operations: ['6+5=11'] Exploring Operation: 62-23=39, Resulting Numbers: [11, 39] Generated Node #3: [11, 39] from Operation: 62-23=39 Current State: 50:[11, 39], Operations: ['6+5=11', '62-23=39'] Exploring Operation: 11+39=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[6, 5, 23, 62], Operations: [] Exploring Operation: 62-6=56, Resulting Numbers: [5, 23, 56] Generated Node #0,0: 50:[5, 23, 56] Operation: 62-6=56 Exploring Operation: 6-5=1, Resulting Numbers: [23, 62, 1] Generated Node #0,1: 50:[23, 62, 1] Operation: 6-5=1 Exploring Operation: 62-5=57, Resulting Numbers: [6, 23, 57] Generated Node #0,2: 50:[6, 23, 57] Operation: 62-5=57 Exploring Operation: 6+5=11, Resulting Numbers: [23, 62, 11] Generated Node #0,3: 50:[23, 62, 11] Operation: 6+5=11 Exploring Operation: 62-23=39, Resulting Numbers: [6, 5, 39] Generated Node #0,4: 50:[6, 5, 39] Operation: 62-23=39 Moving to Node #0,0 Current State: 50:[5, 23, 56], Operations: ['62-6=56'] Exploring Operation: 56-23=33, Resulting Numbers: [5, 33] Generated Node #0,0,0: 50:[5, 33] Operation: 56-23=33 Exploring Operation: 5+23=28, Resulting Numbers: [56, 28] Generated Node #0,0,1: 50:[56, 28] Operation: 5+23=28 Exploring Operation: 23-5=18, Resulting Numbers: [56, 18] Generated Node #0,0,2: 50:[56, 18] Operation: 23-5=18 Exploring Operation: 5+56=61, Resulting Numbers: [23, 61] Generated Node #0,0,3: 50:[23, 61] Operation: 5+56=61 Exploring Operation: 56-5=51, Resulting Numbers: [23, 51] Generated Node #0,0,4: 50:[23, 51] Operation: 56-5=51 Moving to Node #0,2 Current State: 50:[6, 23, 57], Operations: ['62-5=57'] Exploring Operation: 57-23=34, Resulting Numbers: [6, 34] Generated Node #0,2,0: 50:[6, 34] Operation: 57-23=34 Exploring Operation: 23-6=17, Resulting Numbers: [57, 17] Generated Node #0,2,1: 50:[57, 17] Operation: 23-6=17 Exploring Operation: 6+57=63, Resulting Numbers: [23, 63] Generated Node #0,2,2: 50:[23, 63] Operation: 6+57=63 Exploring Operation: 57-6=51, Resulting Numbers: [23, 51] Generated Node #0,2,3: 50:[23, 51] Operation: 57-6=51 Exploring Operation: 6+23=29, Resulting Numbers: [57, 29] Generated Node #0,2,4: 50:[57, 29] Operation: 6+23=29 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 50:[23, 51], Operations: ['62-5=57', '57-6=51'] Exploring Operation: 23+51=74, Resulting Numbers: [74] 74,50 unequal: No Solution Exploring Operation: 51-23=28, Resulting Numbers: [28] 28,50 unequal: No Solution Exploring Operation: 23*51=1173, Resulting Numbers: [1173] 1173,50 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 #0,2,0 Current State: 50:[6, 34], Operations: ['62-5=57', '57-23=34'] Exploring Operation: 34-6=28, Resulting Numbers: [28] 28,50 unequal: No Solution Exploring Operation: 6+34=40, Resulting Numbers: [40] 40,50 unequal: No Solution Exploring Operation: 6*34=204, Resulting Numbers: [204] 204,50 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 #0,2,4 Current State: 50:[57, 29], Operations: ['62-5=57', '6+23=29'] Exploring Operation: 57*29=1653, Resulting Numbers: [1653] 1653,50 unequal: No Solution Exploring Operation: 57+29=86, Resulting Numbers: [86] 86,50 unequal: No Solution Exploring Operation: 57-29=28, Resulting Numbers: [28] 28,50 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 #0,2,1 Current State: 50:[57, 17], Operations: ['62-5=57', '23-6=17'] Exploring Operation: 57+17=74, Resulting Numbers: [74] 74,50 unequal: No Solution Exploring Operation: 57-17=40, Resulting Numbers: [40] 40,50 unequal: No Solution Exploring Operation: 57*17=969, Resulting Numbers: [969] 969,50 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 #0,2,2 Current State: 50:[23, 63], Operations: ['62-5=57', '6+57=63'] Exploring Operation: 23*63=1449, Resulting Numbers: [1449] 1449,50 unequal: No Solution Exploring Operation: 23+63=86, Resulting Numbers: [86] 86,50 unequal: No Solution Exploring Operation: 63-23=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 #0,4 Current State: 50:[6, 5, 39], Operations: ['62-23=39'] Exploring Operation: 5+39=44, Resulting Numbers: [6, 44] Generated Node #0,4,0: 50:[6, 44] Operation: 5+39=44 Exploring Operation: 6+39=45, Resulting Numbers: [5, 45] Generated Node #0,4,1: 50:[5, 45] Operation: 6+39=45 Exploring Operation: 39-6=33, Resulting Numbers: [5, 33] Generated Node #0,4,2: 50:[5, 33] Operation: 39-6=33 Exploring Operation: 39-5=34, Resulting Numbers: [6, 34] Generated Node #0,4,3: 50:[6, 34] Operation: 39-5=34 Exploring Operation: 6+5=11, Resulting Numbers: [39, 11] Generated Node #0,4,4: 50:[39, 11] Operation: 6+5=11 Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 50:[5, 45], Operations: ['62-23=39', '6+39=45'] Exploring Operation: 45/5=9, Resulting Numbers: [9] 9,50 unequal: No Solution Exploring Operation: 45-5=40, Resulting Numbers: [40] 40,50 unequal: No Solution Exploring Operation: 5*45=225, Resulting Numbers: [225] 225,50 unequal: No Solution Exploring Operation: 5+45=50, Resulting Numbers: [50] 50,50 equal: Goal Reached Moving to Node #0 Current State: 50:[6, 5, 23, 62], Operations: [] Exploring Operation: 62-23=39, Resulting Numbers: [6, 5, 39] Generated Node #0,4: 50:[6, 5, 39] Operation: 62-23=39 Moving to Node #0,4 Current State: 50:[6, 5, 39], Operations: ['62-23=39'] Exploring Operation: 6+39=45, Resulting Numbers: [5, 45] Generated Node #0,4,1: 50:[5, 45] Operation: 6+39=45 Moving to Node #0,4,1 Current State: 50:[5, 45], Operations: ['62-23=39', '6+39=45'] Exploring Operation: 5+45=50, Resulting Numbers: [50] 50,50 equal: Goal Reached Exit Sub Search at level 1
0.962674
hs_5
mult_heuristic
[ 81, 10, 35, 94 ]
50
[ "81+94=175", "10*175=1750", "1750/35=50" ]
Current State: 50:[81, 10, 35, 94], Operations: [] Exploring Operation: 81+94=175, Resulting Numbers: [10, 35, 175] Generated Node #2: [10, 35, 175] from Operation: 81+94=175 Current State: 50:[10, 35, 175], Operations: ['81+94=175'] Exploring Operation: 10*175=1750, Resulting Numbers: [35, 1750] Generated Node #3: [35, 1750] from Operation: 10*175=1750 Current State: 50:[35, 1750], Operations: ['81+94=175', '10*175=1750'] Exploring Operation: 1750/35=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[81, 10, 35, 94], Operations: [] Exploring Operation: 94-81=13, Resulting Numbers: [10, 35, 13] Generated Node #0,0: 50:[10, 35, 13] Operation: 94-81=13 Start Sub Search at level 1: Moving to Node #0,0 Current State: 50:[10, 35, 13], Operations: ['94-81=13'] Exploring Operation: 35+13=48, Resulting Numbers: [10, 48] Generated Node #0,0,0: 50:[10, 48] Operation: 35+13=48 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 50:[10, 48], Operations: ['94-81=13', '35+13=48'] Exploring Operation: 10+48=58, Resulting Numbers: [58] 58,50 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
[ 30, 72, 53, 73 ]
82
[ "30+72=102", "73-53=20", "102-20=82" ]
Current State: 82:[30, 72, 53, 73], Operations: [] Exploring Operation: 30+72=102, Resulting Numbers: [53, 73, 102] Generated Node #2: [53, 73, 102] from Operation: 30+72=102 Current State: 82:[53, 73, 102], Operations: ['30+72=102'] Exploring Operation: 73-53=20, Resulting Numbers: [102, 20] Generated Node #3: [102, 20] from Operation: 73-53=20 Current State: 82:[102, 20], Operations: ['30+72=102', '73-53=20'] Exploring Operation: 102-20=82, Resulting Numbers: [82] 82,82 equal: Goal Reached
4
Current State: 82:[30, 72, 53, 73], Operations: [] Exploring Operation: 30+53=83, Resulting Numbers: [72, 73, 83] Generated Node #0,0: 82:[72, 73, 83] Operation: 30+53=83 Moving to Node #0,0 Current State: 82:[72, 73, 83], Operations: ['30+53=83'] Exploring Operation: 73-72=1, Resulting Numbers: [83, 1] Generated Node #0,0,0: 82:[83, 1] Operation: 73-72=1 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 82:[83, 1], Operations: ['30+53=83', '73-72=1'] Exploring Operation: 83-1=82, Resulting Numbers: [82] 82,82 equal: Goal Reached Moving to Node #0 Current State: 82:[30, 72, 53, 73], Operations: [] Exploring Operation: 30+53=83, Resulting Numbers: [72, 73, 83] Generated Node #0,0: 82:[72, 73, 83] Operation: 30+53=83 Moving to Node #0,0 Current State: 82:[72, 73, 83], Operations: ['30+53=83'] Exploring Operation: 73-72=1, Resulting Numbers: [83, 1] Generated Node #0,0,0: 82:[83, 1] Operation: 73-72=1 Moving to Node #0,0,0 Current State: 82:[83, 1], Operations: ['30+53=83', '73-72=1'] Exploring Operation: 83-1=82, Resulting Numbers: [82] 82,82 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 8, 62, 17, 5 ]
93
[ "17-5=12", "62*12=744", "744/8=93" ]
Current State: 93:[8, 62, 17, 5], Operations: [] Exploring Operation: 17-5=12, Resulting Numbers: [8, 62, 12] Generated Node #2: [8, 62, 12] from Operation: 17-5=12 Current State: 93:[8, 62, 12], Operations: ['17-5=12'] Exploring Operation: 62*12=744, Resulting Numbers: [8, 744] Generated Node #3: [8, 744] from Operation: 62*12=744 Current State: 93:[8, 744], Operations: ['17-5=12', '62*12=744'] Exploring Operation: 744/8=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
4
Current State: 93:[8, 62, 17, 5], Operations: [] Exploring Operation: 62+17=79, Resulting Numbers: [8, 5, 79] Generated Node #0,0: 93:[8, 5, 79] Operation: 62+17=79 Start Sub Search at level 1: Moving to Node #0,0 Current State: 93:[8, 5, 79], Operations: ['62+17=79'] Exploring Operation: 8+79=87, Resulting Numbers: [5, 87] Generated Node #0,0,0: 93:[5, 87] Operation: 8+79=87 Moving to Node #0,0,0 Current State: 93:[5, 87], Operations: ['62+17=79', '8+79=87'] Exploring Operation: 5+87=92, Resulting Numbers: [92] 92,93 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
[ 76, 23, 75, 72 ]
95
[ "76-75=1", "23+72=95", "1*95=95" ]
Current State: 95:[76, 23, 75, 72], Operations: [] Exploring Operation: 76-75=1, Resulting Numbers: [23, 72, 1] Generated Node #2: [23, 72, 1] from Operation: 76-75=1 Current State: 95:[23, 72, 1], Operations: ['76-75=1'] Exploring Operation: 23+72=95, Resulting Numbers: [1, 95] Generated Node #3: [1, 95] from Operation: 23+72=95 Current State: 95:[1, 95], Operations: ['76-75=1', '23+72=95'] Exploring Operation: 1*95=95, Resulting Numbers: [95] 95,95 equal: Goal Reached
4
Current State: 95:[76, 23, 75, 72], Operations: [] Exploring Operation: 76-72=4, Resulting Numbers: [23, 75, 4] Generated Node #0,0: 95:[23, 75, 4] Operation: 76-72=4 Start Sub Search at level 1: Moving to Node #0,0 Current State: 95:[23, 75, 4], Operations: ['76-72=4'] Exploring Operation: 23+75=98, Resulting Numbers: [4, 98] Generated Node #0,0,0: 95:[4, 98] Operation: 23+75=98 Moving to Node #0,0,0 Current State: 95:[4, 98], Operations: ['76-72=4', '23+75=98'] Exploring Operation: 98-4=94, Resulting Numbers: [94] 94,95 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
[ 93, 33, 73, 78 ]
65
[ "93-33=60", "78-73=5", "60+5=65" ]
Current State: 65:[93, 33, 73, 78], Operations: [] Exploring Operation: 93-33=60, Resulting Numbers: [73, 78, 60] Generated Node #2: [73, 78, 60] from Operation: 93-33=60 Current State: 65:[73, 78, 60], Operations: ['93-33=60'] Exploring Operation: 78-73=5, Resulting Numbers: [60, 5] Generated Node #3: [60, 5] from Operation: 78-73=5 Current State: 65:[60, 5], Operations: ['93-33=60', '78-73=5'] Exploring Operation: 60+5=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
4
Current State: 65:[93, 33, 73, 78], Operations: [] Exploring Operation: 78-73=5, Resulting Numbers: [93, 33, 5] Generated Node #0,0: 65:[93, 33, 5] Operation: 78-73=5 Exploring Operation: 93-78=15, Resulting Numbers: [33, 73, 15] Generated Node #0,1: 65:[33, 73, 15] Operation: 93-78=15 Exploring Operation: 93-73=20, Resulting Numbers: [33, 78, 20] Generated Node #0,2: 65:[33, 78, 20] Operation: 93-73=20 Exploring Operation: 93-33=60, Resulting Numbers: [73, 78, 60] Generated Node #0,3: 65:[73, 78, 60] Operation: 93-33=60 Moving to Node #0,3 Current State: 65:[73, 78, 60], Operations: ['93-33=60'] Exploring Operation: 78-73=5, Resulting Numbers: [60, 5] Generated Node #0,3,0: 65:[60, 5] Operation: 78-73=5 Exploring Operation: 78-60=18, Resulting Numbers: [73, 18] Generated Node #0,3,1: 65:[73, 18] Operation: 78-60=18 Exploring Operation: 73-60=13, Resulting Numbers: [78, 13] Generated Node #0,3,2: 65:[78, 13] Operation: 73-60=13 Exploring Operation: 73+60=133, Resulting Numbers: [78, 133] Generated Node #0,3,3: 65:[78, 133] Operation: 73+60=133 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 65:[60, 5], Operations: ['93-33=60', '78-73=5'] Exploring Operation: 60+5=65, Resulting Numbers: [65] 65,65 equal: Goal Reached Moving to Node #0 Current State: 65:[93, 33, 73, 78], Operations: [] Exploring Operation: 93-33=60, Resulting Numbers: [73, 78, 60] Generated Node #0,3: 65:[73, 78, 60] Operation: 93-33=60 Moving to Node #0,3 Current State: 65:[73, 78, 60], Operations: ['93-33=60'] Exploring Operation: 78-73=5, Resulting Numbers: [60, 5] Generated Node #0,3,0: 65:[60, 5] Operation: 78-73=5 Moving to Node #0,3,0 Current State: 65:[60, 5], Operations: ['93-33=60', '78-73=5'] Exploring Operation: 60+5=65, Resulting Numbers: [65] 65,65 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_4
sum_heuristic
[ 49, 65, 49, 34 ]
30
[ "49/49=1", "65-34=31", "31-1=30" ]
Current State: 30:[49, 65, 49, 34], Operations: [] Exploring Operation: 49/49=1, Resulting Numbers: [65, 34, 1] Generated Node #2: [65, 34, 1] from Operation: 49/49=1 Current State: 30:[65, 34, 1], Operations: ['49/49=1'] Exploring Operation: 65-34=31, Resulting Numbers: [1, 31] Generated Node #3: [1, 31] from Operation: 65-34=31 Current State: 30:[1, 31], Operations: ['49/49=1', '65-34=31'] Exploring Operation: 31-1=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
4
Current State: 30:[49, 65, 49, 34], Operations: [] Exploring Operation: 49/49=1, Resulting Numbers: [65, 34, 1] Generated Node #0,0: 30:[65, 34, 1] Operation: 49/49=1 Exploring Operation: 49-49=0, Resulting Numbers: [65, 34, 0] Generated Node #0,1: 30:[65, 34, 0] Operation: 49-49=0 Exploring Operation: 65-49=16, Resulting Numbers: [49, 34, 16] Generated Node #0,2: 30:[49, 34, 16] Operation: 65-49=16 Exploring Operation: 65-34=31, Resulting Numbers: [49, 49, 31] Generated Node #0,3: 30:[49, 49, 31] Operation: 65-34=31 Exploring Operation: 65-49=16, Resulting Numbers: [49, 34, 16] Generated Node #0,4: 30:[49, 34, 16] Operation: 65-49=16 Start Sub Search at level 1: Moving to Node #0,2 Current State: 30:[49, 34, 16], Operations: ['65-49=16'] Exploring Operation: 34+16=50, Resulting Numbers: [49, 50] Generated Node #0,2,0: 30:[49, 50] Operation: 34+16=50 Exploring Operation: 49+16=65, Resulting Numbers: [34, 65] Generated Node #0,2,1: 30:[34, 65] Operation: 49+16=65 Exploring Operation: 49-34=15, Resulting Numbers: [16, 15] Generated Node #0,2,2: 30:[16, 15] Operation: 49-34=15 Exploring Operation: 34-16=18, Resulting Numbers: [49, 18] Generated Node #0,2,3: 30:[49, 18] Operation: 34-16=18 Exploring Operation: 49-16=33, Resulting Numbers: [34, 33] Generated Node #0,2,4: 30:[34, 33] Operation: 49-16=33 Moving to Node #0,2,2 Current State: 30:[16, 15], Operations: ['65-49=16', '49-34=15'] Exploring Operation: 16*15=240, Resulting Numbers: [240] 240,30 unequal: No Solution Exploring Operation: 16-15=1, Resulting Numbers: [1] 1,30 unequal: No Solution Exploring Operation: 16+15=31, Resulting Numbers: [31] 31,30 unequal: No Solution Moving to Node #0,2,4 Current State: 30:[34, 33], Operations: ['65-49=16', '49-16=33'] Exploring Operation: 34+33=67, Resulting Numbers: [67] 67,30 unequal: No Solution Exploring Operation: 34*33=1122, Resulting Numbers: [1122] 1122,30 unequal: No Solution Exploring Operation: 34-33=1, Resulting Numbers: [1] 1,30 unequal: No Solution Moving to Node #0,2,3 Current State: 30:[49, 18], Operations: ['65-49=16', '34-16=18'] Exploring Operation: 49-18=31, Resulting Numbers: [31] 31,30 unequal: No Solution Exploring Operation: 49+18=67, Resulting Numbers: [67] 67,30 unequal: No Solution Exploring Operation: 49*18=882, Resulting Numbers: [882] 882,30 unequal: No Solution Moving to Node #0,2,0 Current State: 30:[49, 50], Operations: ['65-49=16', '34+16=50'] Exploring Operation: 49*50=2450, Resulting Numbers: [2450] 2450,30 unequal: No Solution Exploring Operation: 50-49=1, Resulting Numbers: [1] 1,30 unequal: No Solution Exploring Operation: 49+50=99, Resulting Numbers: [99] 99,30 unequal: No Solution Moving to Node #0,2,1 Current State: 30:[34, 65], Operations: ['65-49=16', '49+16=65'] Exploring Operation: 34+65=99, Resulting Numbers: [99] 99,30 unequal: No Solution Exploring Operation: 34*65=2210, Resulting Numbers: [2210] 2210,30 unequal: No Solution Exploring Operation: 65-34=31, Resulting Numbers: [31] 31,30 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 #0,4 Current State: 30:[49, 34, 16], Operations: ['65-49=16'] Exploring Operation: 49-34=15, Resulting Numbers: [16, 15] Generated Node #0,4,0: 30:[16, 15] Operation: 49-34=15 Exploring Operation: 49+16=65, Resulting Numbers: [34, 65] Generated Node #0,4,1: 30:[34, 65] Operation: 49+16=65 Exploring Operation: 34+16=50, Resulting Numbers: [49, 50] Generated Node #0,4,2: 30:[49, 50] Operation: 34+16=50 Exploring Operation: 49-16=33, Resulting Numbers: [34, 33] Generated Node #0,4,3: 30:[34, 33] Operation: 49-16=33 Exploring Operation: 34-16=18, Resulting Numbers: [49, 18] Generated Node #0,4,4: 30:[49, 18] Operation: 34-16=18 Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 30:[16, 15], Operations: ['65-49=16', '49-34=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 No 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: 30:[34, 33], Operations: ['65-49=16', '49-16=33'] Exploring Operation: 34*33=1122, Resulting Numbers: [1122] 1122,30 unequal: No Solution Exploring Operation: 34-33=1, Resulting Numbers: [1] 1,30 unequal: No Solution Exploring Operation: 34+33=67, Resulting Numbers: [67] 67,30 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 #0,4,4 Current State: 30:[49, 18], Operations: ['65-49=16', '34-16=18'] Exploring Operation: 49-18=31, Resulting Numbers: [31] 31,30 unequal: No Solution Exploring Operation: 49*18=882, Resulting Numbers: [882] 882,30 unequal: No Solution Exploring Operation: 49+18=67, Resulting Numbers: [67] 67,30 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 #0,4,1 Current State: 30:[34, 65], Operations: ['65-49=16', '49+16=65'] Exploring Operation: 34*65=2210, Resulting Numbers: [2210] 2210,30 unequal: No Solution Exploring Operation: 34+65=99, Resulting Numbers: [99] 99,30 unequal: No Solution Exploring Operation: 65-34=31, Resulting Numbers: [31] 31,30 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 #0,4,2 Current State: 30:[49, 50], Operations: ['65-49=16', '34+16=50'] Exploring Operation: 50-49=1, Resulting Numbers: [1] 1,30 unequal: No Solution Exploring Operation: 49*50=2450, Resulting Numbers: [2450] 2450,30 unequal: No Solution Exploring Operation: 49+50=99, Resulting Numbers: [99] 99,30 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 #0,3 Current State: 30:[49, 49, 31], Operations: ['65-34=31'] Exploring Operation: 49+49=98, Resulting Numbers: [31, 98] Generated Node #0,3,0: 30:[31, 98] Operation: 49+49=98 Exploring Operation: 49/49=1, Resulting Numbers: [31, 1] Generated Node #0,3,1: 30:[31, 1] Operation: 49/49=1 Exploring Operation: 49-31=18, Resulting Numbers: [49, 18] Generated Node #0,3,2: 30:[49, 18] Operation: 49-31=18 Exploring Operation: 49-31=18, Resulting Numbers: [49, 18] Generated Node #0,3,3: 30:[49, 18] Operation: 49-31=18 Exploring Operation: 49-49=0, Resulting Numbers: [31, 0] Generated Node #0,3,4: 30:[31, 0] Operation: 49-49=0 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 30:[31, 1], Operations: ['65-34=31', '49/49=1'] Exploring Operation: 31+1=32, Resulting Numbers: [32] 32,30 unequal: No Solution Exploring Operation: 31*1=31, Resulting Numbers: [31] 31,30 unequal: No Solution Exploring Operation: 31/1=31, Resulting Numbers: [31] 31,30 unequal: No Solution Exploring Operation: 31-1=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Moving to Node #0 Current State: 30:[49, 65, 49, 34], Operations: [] Exploring Operation: 65-34=31, Resulting Numbers: [49, 49, 31] Generated Node #0,3: 30:[49, 49, 31] Operation: 65-34=31 Moving to Node #0,3 Current State: 30:[49, 49, 31], Operations: ['65-34=31'] Exploring Operation: 49/49=1, Resulting Numbers: [31, 1] Generated Node #0,3,1: 30:[31, 1] Operation: 49/49=1 Moving to Node #0,3,1 Current State: 30:[31, 1], Operations: ['65-34=31', '49/49=1'] Exploring Operation: 31-1=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.949653
hs_5
mult_heuristic
[ 3, 65, 61, 30 ]
12
[ "65+61=126", "126/3=42", "42-30=12" ]
Current State: 12:[3, 65, 61, 30], Operations: [] Exploring Operation: 65+61=126, Resulting Numbers: [3, 30, 126] Generated Node #2: [3, 30, 126] from Operation: 65+61=126 Current State: 12:[3, 30, 126], Operations: ['65+61=126'] Exploring Operation: 126/3=42, Resulting Numbers: [30, 42] Generated Node #3: [30, 42] from Operation: 126/3=42 Current State: 12:[30, 42], Operations: ['65+61=126', '126/3=42'] Exploring Operation: 42-30=12, Resulting Numbers: [12] 12,12 equal: Goal Reached
4
Current State: 12:[3, 65, 61, 30], Operations: [] Exploring Operation: 65-61=4, Resulting Numbers: [3, 30, 4] Generated Node #0,0: 12:[3, 30, 4] Operation: 65-61=4 Start Sub Search at level 1: Moving to Node #0,0 Current State: 12:[3, 30, 4], Operations: ['65-61=4'] Exploring Operation: 30/3=10, Resulting Numbers: [4, 10] Generated Node #0,0,0: 12:[4, 10] Operation: 30/3=10 Moving to Node #0,0,0 Current State: 12:[4, 10], Operations: ['65-61=4', '30/3=10'] Exploring Operation: 10-4=6, Resulting Numbers: [6] 6,12 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 84, 34, 80, 94 ]
56
[ "84+34=118", "80+94=174", "174-118=56" ]
Current State: 56:[84, 34, 80, 94], Operations: [] Exploring Operation: 84+34=118, Resulting Numbers: [80, 94, 118] Generated Node #2: [80, 94, 118] from Operation: 84+34=118 Current State: 56:[80, 94, 118], Operations: ['84+34=118'] Exploring Operation: 80+94=174, Resulting Numbers: [118, 174] Generated Node #3: [118, 174] from Operation: 80+94=174 Current State: 56:[118, 174], Operations: ['84+34=118', '80+94=174'] Exploring Operation: 174-118=56, Resulting Numbers: [56] 56,56 equal: Goal Reached
4
Current State: 56:[84, 34, 80, 94], Operations: [] Exploring Operation: 84-80=4, Resulting Numbers: [34, 94, 4] Generated Node #0,0: 56:[34, 94, 4] Operation: 84-80=4 Exploring Operation: 94-80=14, Resulting Numbers: [84, 34, 14] Generated Node #0,1: 56:[84, 34, 14] Operation: 94-80=14 Exploring Operation: 94-34=60, Resulting Numbers: [84, 80, 60] Generated Node #0,2: 56:[84, 80, 60] Operation: 94-34=60 Exploring Operation: 94-84=10, Resulting Numbers: [34, 80, 10] Generated Node #0,3: 56:[34, 80, 10] Operation: 94-84=10 Start Sub Search at level 1: Moving to Node #0,3 Current State: 56:[34, 80, 10], Operations: ['94-84=10'] Exploring Operation: 80-10=70, Resulting Numbers: [34, 70] Generated Node #0,3,0: 56:[34, 70] Operation: 80-10=70 Exploring Operation: 34-10=24, Resulting Numbers: [80, 24] Generated Node #0,3,1: 56:[80, 24] Operation: 34-10=24 Exploring Operation: 80-34=46, Resulting Numbers: [10, 46] Generated Node #0,3,2: 56:[10, 46] Operation: 80-34=46 Exploring Operation: 80/10=8, Resulting Numbers: [34, 8] Generated Node #0,3,3: 56:[34, 8] Operation: 80/10=8 Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 56:[34, 8], Operations: ['94-84=10', '80/10=8'] Exploring Operation: 34*8=272, Resulting Numbers: [272] 272,56 unequal: No Solution Exploring Operation: 34+8=42, Resulting Numbers: [42] 42,56 unequal: No Solution Exploring Operation: 34-8=26, Resulting Numbers: [26] 26,56 unequal: No Solution No 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: 56:[10, 46], Operations: ['94-84=10', '80-34=46'] Exploring Operation: 10*46=460, Resulting Numbers: [460] 460,56 unequal: No Solution Exploring Operation: 46-10=36, Resulting Numbers: [36] 36,56 unequal: No Solution Exploring Operation: 10+46=56, Resulting Numbers: [56] 56,56 equal: Goal Reached Moving to Node #0 Current State: 56:[84, 34, 80, 94], Operations: [] Exploring Operation: 94-84=10, Resulting Numbers: [34, 80, 10] Generated Node #0,3: 56:[34, 80, 10] Operation: 94-84=10 Moving to Node #0,3 Current State: 56:[34, 80, 10], Operations: ['94-84=10'] Exploring Operation: 80-34=46, Resulting Numbers: [10, 46] Generated Node #0,3,2: 56:[10, 46] Operation: 80-34=46 Moving to Node #0,3,2 Current State: 56:[10, 46], Operations: ['94-84=10', '80-34=46'] Exploring Operation: 10+46=56, Resulting Numbers: [56] 56,56 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.984375
hs_4
sum_heuristic
[ 12, 78, 66, 26 ]
51
[ "66-12=54", "78/26=3", "54-3=51" ]
Current State: 51:[12, 78, 66, 26], Operations: [] Exploring Operation: 66-12=54, Resulting Numbers: [78, 26, 54] Generated Node #2: [78, 26, 54] from Operation: 66-12=54 Current State: 51:[78, 26, 54], Operations: ['66-12=54'] Exploring Operation: 78/26=3, Resulting Numbers: [54, 3] Generated Node #3: [54, 3] from Operation: 78/26=3 Current State: 51:[54, 3], Operations: ['66-12=54', '78/26=3'] Exploring Operation: 54-3=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[12, 78, 66, 26], Operations: [] Exploring Operation: 78/26=3, Resulting Numbers: [12, 66, 3] Generated Node #0,0: 51:[12, 66, 3] Operation: 78/26=3 Exploring Operation: 78-66=12, Resulting Numbers: [12, 26, 12] Generated Node #0,1: 51:[12, 26, 12] Operation: 78-66=12 Moving to Node #0,1 Current State: 51:[12, 26, 12], Operations: ['78-66=12'] Exploring Operation: 26-12=14, Resulting Numbers: [12, 14] Generated Node #0,1,0: 51:[12, 14] Operation: 26-12=14 Exploring Operation: 26-12=14, Resulting Numbers: [12, 14] Generated Node #0,1,1: 51:[12, 14] Operation: 26-12=14 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 51:[12, 14], Operations: ['78-66=12', '26-12=14'] Exploring Operation: 12+14=26, Resulting Numbers: [26] 26,51 unequal: No Solution Exploring Operation: 14-12=2, Resulting Numbers: [2] 2,51 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 51:[12, 14], Operations: ['78-66=12', '26-12=14'] Exploring Operation: 12+14=26, Resulting Numbers: [26] 26,51 unequal: No Solution Exploring Operation: 14-12=2, Resulting Numbers: [2] 2,51 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: 51:[12, 66, 3], Operations: ['78/26=3'] Exploring Operation: 66-12=54, Resulting Numbers: [3, 54] Generated Node #0,0,0: 51:[3, 54] Operation: 66-12=54 Exploring Operation: 66/3=22, Resulting Numbers: [12, 22] Generated Node #0,0,1: 51:[12, 22] Operation: 66/3=22 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 51:[3, 54], Operations: ['78/26=3', '66-12=54'] Exploring Operation: 54/3=18, Resulting Numbers: [18] 18,51 unequal: No Solution Exploring Operation: 54-3=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Moving to Node #0 Current State: 51:[12, 78, 66, 26], Operations: [] Exploring Operation: 78/26=3, Resulting Numbers: [12, 66, 3] Generated Node #0,0: 51:[12, 66, 3] Operation: 78/26=3 Moving to Node #0,0 Current State: 51:[12, 66, 3], Operations: ['78/26=3'] Exploring Operation: 66-12=54, Resulting Numbers: [3, 54] Generated Node #0,0,0: 51:[3, 54] Operation: 66-12=54 Moving to Node #0,0,0 Current State: 51:[3, 54], Operations: ['78/26=3', '66-12=54'] Exploring Operation: 54-3=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_2
mult_heuristic
[ 30, 10, 65, 42 ]
20
[ "30/10=3", "65-42=23", "23-3=20" ]
Current State: 20:[30, 10, 65, 42], Operations: [] Exploring Operation: 30/10=3, Resulting Numbers: [65, 42, 3] Generated Node #2: [65, 42, 3] from Operation: 30/10=3 Current State: 20:[65, 42, 3], Operations: ['30/10=3'] Exploring Operation: 65-42=23, Resulting Numbers: [3, 23] Generated Node #3: [3, 23] from Operation: 65-42=23 Current State: 20:[3, 23], Operations: ['30/10=3', '65-42=23'] Exploring Operation: 23-3=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[30, 10, 65, 42], Operations: [] Exploring Operation: 65-10=55, Resulting Numbers: [30, 42, 55] Generated Node #0,0: 20:[30, 42, 55] Operation: 65-10=55 Exploring Operation: 65-30=35, Resulting Numbers: [10, 42, 35] Generated Node #0,1: 20:[10, 42, 35] Operation: 65-30=35 Exploring Operation: 30-10=20, Resulting Numbers: [65, 42, 20] Generated Node #0,2: 20:[65, 42, 20] Operation: 30-10=20 Exploring Operation: 65-42=23, Resulting Numbers: [30, 10, 23] Generated Node #0,3: 20:[30, 10, 23] Operation: 65-42=23 Exploring Operation: 42-30=12, Resulting Numbers: [10, 65, 12] Generated Node #0,4: 20:[10, 65, 12] Operation: 42-30=12 Moving to Node #0,3 Current State: 20:[30, 10, 23], Operations: ['65-42=23'] Exploring Operation: 30-23=7, Resulting Numbers: [10, 7] Generated Node #0,3,0: 20:[10, 7] Operation: 30-23=7 Exploring Operation: 23-10=13, Resulting Numbers: [30, 13] Generated Node #0,3,1: 20:[30, 13] Operation: 23-10=13 Exploring Operation: 30+10=40, Resulting Numbers: [23, 40] Generated Node #0,3,2: 20:[23, 40] Operation: 30+10=40 Exploring Operation: 30/10=3, Resulting Numbers: [23, 3] Generated Node #0,3,3: 20:[23, 3] Operation: 30/10=3 Exploring Operation: 30-10=20, Resulting Numbers: [23, 20] Generated Node #0,3,4: 20:[23, 20] Operation: 30-10=20 Moving to Node #0,1 Current State: 20:[10, 42, 35], Operations: ['65-30=35'] Exploring Operation: 10+35=45, Resulting Numbers: [42, 45] Generated Node #0,1,0: 20:[42, 45] Operation: 10+35=45 Exploring Operation: 42-10=32, Resulting Numbers: [35, 32] Generated Node #0,1,1: 20:[35, 32] Operation: 42-10=32 Exploring Operation: 10+42=52, Resulting Numbers: [35, 52] Generated Node #0,1,2: 20:[35, 52] Operation: 10+42=52 Exploring Operation: 35-10=25, Resulting Numbers: [42, 25] Generated Node #0,1,3: 20:[42, 25] Operation: 35-10=25 Exploring Operation: 42-35=7, Resulting Numbers: [10, 7] Generated Node #0,1,4: 20:[10, 7] Operation: 42-35=7 Moving to Node #0,4 Current State: 20:[10, 65, 12], Operations: ['42-30=12'] Exploring Operation: 65-10=55, Resulting Numbers: [12, 55] Generated Node #0,4,0: 20:[12, 55] Operation: 65-10=55 Exploring Operation: 10+12=22, Resulting Numbers: [65, 22] Generated Node #0,4,1: 20:[65, 22] Operation: 10+12=22 Exploring Operation: 12-10=2, Resulting Numbers: [65, 2] Generated Node #0,4,2: 20:[65, 2] Operation: 12-10=2 Exploring Operation: 10+65=75, Resulting Numbers: [12, 75] Generated Node #0,4,3: 20:[12, 75] Operation: 10+65=75 Exploring Operation: 65-12=53, Resulting Numbers: [10, 53] Generated Node #0,4,4: 20:[10, 53] Operation: 65-12=53 Moving to Node #0,0 Current State: 20:[30, 42, 55], Operations: ['65-10=55'] Exploring Operation: 30+55=85, Resulting Numbers: [42, 85] Generated Node #0,0,0: 20:[42, 85] Operation: 30+55=85 Exploring Operation: 42-30=12, Resulting Numbers: [55, 12] Generated Node #0,0,1: 20:[55, 12] Operation: 42-30=12 Exploring Operation: 55-30=25, Resulting Numbers: [42, 25] Generated Node #0,0,2: 20:[42, 25] Operation: 55-30=25 Exploring Operation: 55-42=13, Resulting Numbers: [30, 13] Generated Node #0,0,3: 20:[30, 13] Operation: 55-42=13 Exploring Operation: 30+42=72, Resulting Numbers: [55, 72] Generated Node #0,0,4: 20:[55, 72] Operation: 30+42=72 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 20:[30, 13], Operations: ['65-10=55', '55-42=13'] Exploring Operation: 30+13=43, Resulting Numbers: [43] 43,20 unequal: No Solution Exploring Operation: 30-13=17, Resulting Numbers: [17] 17,20 unequal: No Solution Exploring Operation: 30*13=390, Resulting Numbers: [390] 390,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 20:[42, 25], Operations: ['65-10=55', '55-30=25'] Exploring Operation: 42-25=17, Resulting Numbers: [17] 17,20 unequal: No Solution Exploring Operation: 42*25=1050, Resulting Numbers: [1050] 1050,20 unequal: No Solution Exploring Operation: 42+25=67, Resulting Numbers: [67] 67,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 20:[55, 12], Operations: ['65-10=55', '42-30=12'] Exploring Operation: 55-12=43, Resulting Numbers: [43] 43,20 unequal: No Solution Exploring Operation: 55*12=660, Resulting Numbers: [660] 660,20 unequal: No Solution Exploring Operation: 55+12=67, Resulting Numbers: [67] 67,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 20:[42, 85], Operations: ['65-10=55', '30+55=85'] Exploring Operation: 42+85=127, Resulting Numbers: [127] 127,20 unequal: No Solution Exploring Operation: 85-42=43, Resulting Numbers: [43] 43,20 unequal: No Solution Exploring Operation: 42*85=3570, Resulting Numbers: [3570] 3570,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 20:[55, 72], Operations: ['65-10=55', '30+42=72'] Exploring Operation: 55*72=3960, Resulting Numbers: [3960] 3960,20 unequal: No Solution Exploring Operation: 55+72=127, Resulting Numbers: [127] 127,20 unequal: No Solution Exploring Operation: 72-55=17, Resulting Numbers: [17] 17,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 20:[65, 42, 20], Operations: ['30-10=20'] Exploring Operation: 42-20=22, Resulting Numbers: [65, 22] Generated Node #0,2,0: 20:[65, 22] Operation: 42-20=22 Exploring Operation: 65+20=85, Resulting Numbers: [42, 85] Generated Node #0,2,1: 20:[42, 85] Operation: 65+20=85 Exploring Operation: 65-20=45, Resulting Numbers: [42, 45] Generated Node #0,2,2: 20:[42, 45] Operation: 65-20=45 Exploring Operation: 65-42=23, Resulting Numbers: [20, 23] Generated Node #0,2,3: 20:[20, 23] Operation: 65-42=23 Exploring Operation: 65+42=107, Resulting Numbers: [20, 107] Generated Node #0,2,4: 20:[20, 107] Operation: 65+42=107 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 20:[20, 23], Operations: ['30-10=20', '65-42=23'] Exploring Operation: 23-20=3, Resulting Numbers: [3] 3,20 unequal: No Solution Exploring Operation: 20*23=460, Resulting Numbers: [460] 460,20 unequal: No Solution Exploring Operation: 20+23=43, Resulting Numbers: [43] 43,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 20:[65, 22], Operations: ['30-10=20', '42-20=22'] Exploring Operation: 65*22=1430, Resulting Numbers: [1430] 1430,20 unequal: No Solution Exploring Operation: 65-22=43, Resulting Numbers: [43] 43,20 unequal: No Solution Exploring Operation: 65+22=87, Resulting Numbers: [87] 87,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 20:[42, 45], Operations: ['30-10=20', '65-20=45'] Exploring Operation: 45-42=3, Resulting Numbers: [3] 3,20 unequal: No Solution Exploring Operation: 42*45=1890, Resulting Numbers: [1890] 1890,20 unequal: No Solution Exploring Operation: 42+45=87, Resulting Numbers: [87] 87,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 20:[42, 85], Operations: ['30-10=20', '65+20=85'] Exploring Operation: 85-42=43, Resulting Numbers: [43] 43,20 unequal: No Solution Exploring Operation: 42+85=127, Resulting Numbers: [127] 127,20 unequal: No Solution Exploring Operation: 42*85=3570, Resulting Numbers: [3570] 3570,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 20:[20, 107], Operations: ['30-10=20', '65+42=107'] Exploring Operation: 20+107=127, Resulting Numbers: [127] 127,20 unequal: No Solution Exploring Operation: 20*107=2140, Resulting Numbers: [2140] 2140,20 unequal: No Solution Exploring Operation: 107-20=87, Resulting Numbers: [87] 87,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3,0 Current State: 20:[10, 7], Operations: ['65-42=23', '30-23=7'] Exploring Operation: 10-7=3, Resulting Numbers: [3] 3,20 unequal: No Solution Exploring Operation: 10+7=17, Resulting Numbers: [17] 17,20 unequal: No Solution Exploring Operation: 10*7=70, Resulting Numbers: [70] 70,20 unequal: No Solution Moving to Node #0,1,4 Current State: 20:[10, 7], Operations: ['65-30=35', '42-35=7'] Exploring Operation: 10+7=17, Resulting Numbers: [17] 17,20 unequal: No Solution Exploring Operation: 10*7=70, Resulting Numbers: [70] 70,20 unequal: No Solution Exploring Operation: 10-7=3, Resulting Numbers: [3] 3,20 unequal: No Solution Moving to Node #0,3,4 Current State: 20:[23, 20], Operations: ['65-42=23', '30-10=20'] Exploring Operation: 23+20=43, Resulting Numbers: [43] 43,20 unequal: No Solution Exploring Operation: 23*20=460, Resulting Numbers: [460] 460,20 unequal: No Solution Exploring Operation: 23-20=3, Resulting Numbers: [3] 3,20 unequal: No Solution Moving to Node #0,3,3 Current State: 20:[23, 3], Operations: ['65-42=23', '30/10=3'] Exploring Operation: 23+3=26, Resulting Numbers: [26] 26,20 unequal: No Solution Exploring Operation: 23-3=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Moving to Node #0 Current State: 20:[30, 10, 65, 42], Operations: [] Exploring Operation: 65-42=23, Resulting Numbers: [30, 10, 23] Generated Node #0,3: 20:[30, 10, 23] Operation: 65-42=23 Moving to Node #0,3 Current State: 20:[30, 10, 23], Operations: ['65-42=23'] Exploring Operation: 30/10=3, Resulting Numbers: [23, 3] Generated Node #0,3,3: 20:[23, 3] Operation: 30/10=3 Moving to Node #0,3,3 Current State: 20:[23, 3], Operations: ['65-42=23', '30/10=3'] Exploring Operation: 23-3=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
0.934896
hs_5
mult_heuristic
[ 21, 11, 83, 38 ]
89
[ "21+11=32", "83+38=121", "121-32=89" ]
Current State: 89:[21, 11, 83, 38], Operations: [] Exploring Operation: 21+11=32, Resulting Numbers: [83, 38, 32] Generated Node #2: [83, 38, 32] from Operation: 21+11=32 Current State: 89:[83, 38, 32], Operations: ['21+11=32'] Exploring Operation: 83+38=121, Resulting Numbers: [32, 121] Generated Node #3: [32, 121] from Operation: 83+38=121 Current State: 89:[32, 121], Operations: ['21+11=32', '83+38=121'] Exploring Operation: 121-32=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
4
Current State: 89:[21, 11, 83, 38], Operations: [] Exploring Operation: 21+11=32, Resulting Numbers: [83, 38, 32] Generated Node #0,0: 89:[83, 38, 32] Operation: 21+11=32 Exploring Operation: 21+38=59, Resulting Numbers: [11, 83, 59] Generated Node #0,1: 89:[11, 83, 59] Operation: 21+38=59 Exploring Operation: 11+38=49, Resulting Numbers: [21, 83, 49] Generated Node #0,2: 89:[21, 83, 49] Operation: 11+38=49 Start Sub Search at level 1: Moving to Node #0,0 Current State: 89:[83, 38, 32], Operations: ['21+11=32'] Exploring Operation: 38+32=70, Resulting Numbers: [83, 70] Generated Node #0,0,0: 89:[83, 70] Operation: 38+32=70 Exploring Operation: 83+38=121, Resulting Numbers: [32, 121] Generated Node #0,0,1: 89:[32, 121] Operation: 83+38=121 Exploring Operation: 83+32=115, Resulting Numbers: [38, 115] Generated Node #0,0,2: 89:[38, 115] Operation: 83+32=115 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 89:[83, 70], Operations: ['21+11=32', '38+32=70'] Exploring Operation: 83-70=13, Resulting Numbers: [13] 13,89 unequal: No Solution Exploring Operation: 83+70=153, Resulting Numbers: [153] 153,89 unequal: No Solution Exploring Operation: 83*70=5810, Resulting Numbers: [5810] 5810,89 unequal: No Solution No 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: 89:[38, 115], Operations: ['21+11=32', '83+32=115'] Exploring Operation: 38*115=4370, Resulting Numbers: [4370] 4370,89 unequal: No Solution Exploring Operation: 115-38=77, Resulting Numbers: [77] 77,89 unequal: No Solution Exploring Operation: 38+115=153, Resulting Numbers: [153] 153,89 unequal: No Solution No 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: 89:[32, 121], Operations: ['21+11=32', '83+38=121'] Exploring Operation: 32+121=153, Resulting Numbers: [153] 153,89 unequal: No Solution Exploring Operation: 32*121=3872, Resulting Numbers: [3872] 3872,89 unequal: No Solution Exploring Operation: 121-32=89, Resulting Numbers: [89] 89,89 equal: Goal Reached Moving to Node #0 Current State: 89:[21, 11, 83, 38], Operations: [] Exploring Operation: 21+11=32, Resulting Numbers: [83, 38, 32] Generated Node #0,0: 89:[83, 38, 32] Operation: 21+11=32 Moving to Node #0,0 Current State: 89:[83, 38, 32], Operations: ['21+11=32'] Exploring Operation: 83+38=121, Resulting Numbers: [32, 121] Generated Node #0,0,1: 89:[32, 121] Operation: 83+38=121 Moving to Node #0,0,1 Current State: 89:[32, 121], Operations: ['21+11=32', '83+38=121'] Exploring Operation: 121-32=89, Resulting Numbers: [89] 89,89 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.983507
hs_3
mult_heuristic
[ 60, 36, 59, 66 ]
57
[ "66-36=30", "60/30=2", "59-2=57" ]
Current State: 57:[60, 36, 59, 66], Operations: [] Exploring Operation: 66-36=30, Resulting Numbers: [60, 59, 30] Generated Node #2: [60, 59, 30] from Operation: 66-36=30 Current State: 57:[60, 59, 30], Operations: ['66-36=30'] Exploring Operation: 60/30=2, Resulting Numbers: [59, 2] Generated Node #3: [59, 2] from Operation: 60/30=2 Current State: 57:[59, 2], Operations: ['66-36=30', '60/30=2'] Exploring Operation: 59-2=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
4
Current State: 57:[60, 36, 59, 66], Operations: [] Exploring Operation: 60-36=24, Resulting Numbers: [59, 66, 24] Generated Node #0,0: 57:[59, 66, 24] Operation: 60-36=24 Exploring Operation: 66-60=6, Resulting Numbers: [36, 59, 6] Generated Node #0,1: 57:[36, 59, 6] Operation: 66-60=6 Exploring Operation: 59-36=23, Resulting Numbers: [60, 66, 23] Generated Node #0,2: 57:[60, 66, 23] Operation: 59-36=23 Exploring Operation: 66-59=7, Resulting Numbers: [60, 36, 7] Generated Node #0,3: 57:[60, 36, 7] Operation: 66-59=7 Exploring Operation: 66-36=30, Resulting Numbers: [60, 59, 30] Generated Node #0,4: 57:[60, 59, 30] Operation: 66-36=30 Start Sub Search at level 1: Moving to Node #0,0 Current State: 57:[59, 66, 24], Operations: ['60-36=24'] Exploring Operation: 66-59=7, Resulting Numbers: [24, 7] Generated Node #0,0,0: 57:[24, 7] Operation: 66-59=7 Exploring Operation: 66-24=42, Resulting Numbers: [59, 42] Generated Node #0,0,1: 57:[59, 42] Operation: 66-24=42 Exploring Operation: 66+24=90, Resulting Numbers: [59, 90] Generated Node #0,0,2: 57:[59, 90] Operation: 66+24=90 Exploring Operation: 59-24=35, Resulting Numbers: [66, 35] Generated Node #0,0,3: 57:[66, 35] Operation: 59-24=35 Exploring Operation: 59+24=83, Resulting Numbers: [66, 83] Generated Node #0,0,4: 57:[66, 83] Operation: 59+24=83 Moving to Node #0,0,0 Current State: 57:[24, 7], Operations: ['60-36=24', '66-59=7'] Exploring Operation: 24+7=31, Resulting Numbers: [31] 31,57 unequal: No Solution Exploring Operation: 24*7=168, Resulting Numbers: [168] 168,57 unequal: No Solution Exploring Operation: 24-7=17, Resulting Numbers: [17] 17,57 unequal: No Solution Moving to Node #0,0,1 Current State: 57:[59, 42], Operations: ['60-36=24', '66-24=42'] Exploring Operation: 59-42=17, Resulting Numbers: [17] 17,57 unequal: No Solution Exploring Operation: 59+42=101, Resulting Numbers: [101] 101,57 unequal: No Solution Exploring Operation: 59*42=2478, Resulting Numbers: [2478] 2478,57 unequal: No Solution Moving to Node #0,0,3 Current State: 57:[66, 35], Operations: ['60-36=24', '59-24=35'] Exploring Operation: 66*35=2310, Resulting Numbers: [2310] 2310,57 unequal: No Solution Exploring Operation: 66+35=101, Resulting Numbers: [101] 101,57 unequal: No Solution Exploring Operation: 66-35=31, Resulting Numbers: [31] 31,57 unequal: No Solution Moving to Node #0,0,2 Current State: 57:[59, 90], Operations: ['60-36=24', '66+24=90'] Exploring Operation: 90-59=31, Resulting Numbers: [31] 31,57 unequal: No Solution Exploring Operation: 59+90=149, Resulting Numbers: [149] 149,57 unequal: No Solution Exploring Operation: 59*90=5310, Resulting Numbers: [5310] 5310,57 unequal: No Solution Moving to Node #0,0,4 Current State: 57:[66, 83], Operations: ['60-36=24', '59+24=83'] Exploring Operation: 66+83=149, Resulting Numbers: [149] 149,57 unequal: No Solution Exploring Operation: 83-66=17, Resulting Numbers: [17] 17,57 unequal: No Solution Exploring Operation: 66*83=5478, Resulting Numbers: [5478] 5478,57 unequal: No Solution No 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: 57:[60, 66, 23], Operations: ['59-36=23'] Exploring Operation: 60-23=37, Resulting Numbers: [66, 37] Generated Node #0,2,0: 57:[66, 37] Operation: 60-23=37 Exploring Operation: 66-60=6, Resulting Numbers: [23, 6] Generated Node #0,2,1: 57:[23, 6] Operation: 66-60=6 Exploring Operation: 66+23=89, Resulting Numbers: [60, 89] Generated Node #0,2,2: 57:[60, 89] Operation: 66+23=89 Exploring Operation: 66-23=43, Resulting Numbers: [60, 43] Generated Node #0,2,3: 57:[60, 43] Operation: 66-23=43 Exploring Operation: 60+23=83, Resulting Numbers: [66, 83] Generated Node #0,2,4: 57:[66, 83] Operation: 60+23=83 Moving to Node #0,2,1 Current State: 57:[23, 6], Operations: ['59-36=23', '66-60=6'] Exploring Operation: 23*6=138, Resulting Numbers: [138] 138,57 unequal: No Solution Exploring Operation: 23-6=17, Resulting Numbers: [17] 17,57 unequal: No Solution Exploring Operation: 23+6=29, Resulting Numbers: [29] 29,57 unequal: No Solution Moving to Node #0,2,3 Current State: 57:[60, 43], Operations: ['59-36=23', '66-23=43'] Exploring Operation: 60-43=17, Resulting Numbers: [17] 17,57 unequal: No Solution Exploring Operation: 60+43=103, Resulting Numbers: [103] 103,57 unequal: No Solution Exploring Operation: 60*43=2580, Resulting Numbers: [2580] 2580,57 unequal: No Solution Moving to Node #0,2,0 Current State: 57:[66, 37], Operations: ['59-36=23', '60-23=37'] Exploring Operation: 66*37=2442, Resulting Numbers: [2442] 2442,57 unequal: No Solution Exploring Operation: 66+37=103, Resulting Numbers: [103] 103,57 unequal: No Solution Exploring Operation: 66-37=29, Resulting Numbers: [29] 29,57 unequal: No Solution Moving to Node #0,2,2 Current State: 57:[60, 89], Operations: ['59-36=23', '66+23=89'] Exploring Operation: 60*89=5340, Resulting Numbers: [5340] 5340,57 unequal: No Solution Exploring Operation: 60+89=149, Resulting Numbers: [149] 149,57 unequal: No Solution Exploring Operation: 89-60=29, Resulting Numbers: [29] 29,57 unequal: No Solution Moving to Node #0,2,4 Current State: 57:[66, 83], Operations: ['59-36=23', '60+23=83'] Exploring Operation: 83-66=17, Resulting Numbers: [17] 17,57 unequal: No Solution Exploring Operation: 66+83=149, Resulting Numbers: [149] 149,57 unequal: No Solution Exploring Operation: 66*83=5478, Resulting Numbers: [5478] 5478,57 unequal: No Solution No 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: 57:[60, 59, 30], Operations: ['66-36=30'] Exploring Operation: 60+30=90, Resulting Numbers: [59, 90] Generated Node #0,4,0: 57:[59, 90] Operation: 60+30=90 Exploring Operation: 59-30=29, Resulting Numbers: [60, 29] Generated Node #0,4,1: 57:[60, 29] Operation: 59-30=29 Exploring Operation: 60-30=30, Resulting Numbers: [59, 30] Generated Node #0,4,2: 57:[59, 30] Operation: 60-30=30 Exploring Operation: 60-59=1, Resulting Numbers: [30, 1] Generated Node #0,4,3: 57:[30, 1] Operation: 60-59=1 Exploring Operation: 60/30=2, Resulting Numbers: [59, 2] Generated Node #0,4,4: 57:[59, 2] Operation: 60/30=2 Moving to Node #0,4,4 Current State: 57:[59, 2], Operations: ['66-36=30', '60/30=2'] Exploring Operation: 59-2=57, Resulting Numbers: [57] 57,57 equal: Goal Reached Moving to Node #0 Current State: 57:[60, 36, 59, 66], Operations: [] Exploring Operation: 66-36=30, Resulting Numbers: [60, 59, 30] Generated Node #0,4: 57:[60, 59, 30] Operation: 66-36=30 Moving to Node #0,4 Current State: 57:[60, 59, 30], Operations: ['66-36=30'] Exploring Operation: 60/30=2, Resulting Numbers: [59, 2] Generated Node #0,4,4: 57:[59, 2] Operation: 60/30=2 Moving to Node #0,4,4 Current State: 57:[59, 2], Operations: ['66-36=30', '60/30=2'] Exploring Operation: 59-2=57, Resulting Numbers: [57] 57,57 equal: Goal Reached Exit Sub Search at level 1
0.952257
hs_5
sum_heuristic
[ 3, 17, 52, 4 ]
67
[ "3+4=7", "17*7=119", "119-52=67" ]
Current State: 67:[3, 17, 52, 4], Operations: [] Exploring Operation: 3+4=7, Resulting Numbers: [17, 52, 7] Generated Node #2: [17, 52, 7] from Operation: 3+4=7 Current State: 67:[17, 52, 7], Operations: ['3+4=7'] Exploring Operation: 17*7=119, Resulting Numbers: [52, 119] Generated Node #3: [52, 119] from Operation: 17*7=119 Current State: 67:[52, 119], Operations: ['3+4=7', '17*7=119'] Exploring Operation: 119-52=67, Resulting Numbers: [67] 67,67 equal: Goal Reached
4
Current State: 67:[3, 17, 52, 4], Operations: [] Exploring Operation: 3+52=55, Resulting Numbers: [17, 4, 55] Generated Node #0,0: 67:[17, 4, 55] Operation: 3+52=55 Exploring Operation: 3*17=51, Resulting Numbers: [52, 4, 51] Generated Node #0,1: 67:[52, 4, 51] Operation: 3*17=51 Exploring Operation: 3*4=12, Resulting Numbers: [17, 52, 12] Generated Node #0,2: 67:[17, 52, 12] Operation: 3*4=12 Exploring Operation: 3+17=20, Resulting Numbers: [52, 4, 20] Generated Node #0,3: 67:[52, 4, 20] Operation: 3+17=20 Exploring Operation: 17*4=68, Resulting Numbers: [3, 52, 68] Generated Node #0,4: 67:[3, 52, 68] Operation: 17*4=68 Moving to Node #0,4 Current State: 67:[3, 52, 68], Operations: ['17*4=68'] Exploring Operation: 52-3=49, Resulting Numbers: [68, 49] Generated Node #0,4,0: 67:[68, 49] Operation: 52-3=49 Exploring Operation: 68-3=65, Resulting Numbers: [52, 65] Generated Node #0,4,1: 67:[52, 65] Operation: 68-3=65 Exploring Operation: 3+68=71, Resulting Numbers: [52, 71] Generated Node #0,4,2: 67:[52, 71] Operation: 3+68=71 Exploring Operation: 3+52=55, Resulting Numbers: [68, 55] Generated Node #0,4,3: 67:[68, 55] Operation: 3+52=55 Exploring Operation: 3*52=156, Resulting Numbers: [68, 156] Generated Node #0,4,4: 67:[68, 156] Operation: 3*52=156 Moving to Node #0,1 Current State: 67:[52, 4, 51], Operations: ['3*17=51'] Exploring Operation: 4+51=55, Resulting Numbers: [52, 55] Generated Node #0,1,0: 67:[52, 55] Operation: 4+51=55 Exploring Operation: 52+4=56, Resulting Numbers: [51, 56] Generated Node #0,1,1: 67:[51, 56] Operation: 52+4=56 Exploring Operation: 52-4=48, Resulting Numbers: [51, 48] Generated Node #0,1,2: 67:[51, 48] Operation: 52-4=48 Exploring Operation: 51-4=47, Resulting Numbers: [52, 47] Generated Node #0,1,3: 67:[52, 47] Operation: 51-4=47 Exploring Operation: 52/4=13, Resulting Numbers: [51, 13] Generated Node #0,1,4: 67:[51, 13] Operation: 52/4=13 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 67:[52, 55], Operations: ['3*17=51', '4+51=55'] Exploring Operation: 52+55=107, Resulting Numbers: [107] 107,67 unequal: No Solution Exploring Operation: 55-52=3, Resulting Numbers: [3] 3,67 unequal: No Solution Exploring Operation: 52*55=2860, Resulting Numbers: [2860] 2860,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 67:[51, 56], Operations: ['3*17=51', '52+4=56'] Exploring Operation: 51*56=2856, Resulting Numbers: [2856] 2856,67 unequal: No Solution Exploring Operation: 51+56=107, Resulting Numbers: [107] 107,67 unequal: No Solution Exploring Operation: 56-51=5, Resulting Numbers: [5] 5,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 67:[51, 48], Operations: ['3*17=51', '52-4=48'] Exploring Operation: 51+48=99, Resulting Numbers: [99] 99,67 unequal: No Solution Exploring Operation: 51*48=2448, Resulting Numbers: [2448] 2448,67 unequal: No Solution Exploring Operation: 51-48=3, Resulting Numbers: [3] 3,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 67:[52, 47], Operations: ['3*17=51', '51-4=47'] Exploring Operation: 52-47=5, Resulting Numbers: [5] 5,67 unequal: No Solution Exploring Operation: 52+47=99, Resulting Numbers: [99] 99,67 unequal: No Solution Exploring Operation: 52*47=2444, Resulting Numbers: [2444] 2444,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 67:[51, 13], Operations: ['3*17=51', '52/4=13'] Exploring Operation: 51*13=663, Resulting Numbers: [663] 663,67 unequal: No Solution Exploring Operation: 51+13=64, Resulting Numbers: [64] 64,67 unequal: No Solution Exploring Operation: 51-13=38, Resulting Numbers: [38] 38,67 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: 67:[17, 52, 12], Operations: ['3*4=12'] Exploring Operation: 17+12=29, Resulting Numbers: [52, 29] Generated Node #0,2,0: 67:[52, 29] Operation: 17+12=29 Exploring Operation: 17+52=69, Resulting Numbers: [12, 69] Generated Node #0,2,1: 67:[12, 69] Operation: 17+52=69 Exploring Operation: 52+12=64, Resulting Numbers: [17, 64] Generated Node #0,2,2: 67:[17, 64] Operation: 52+12=64 Exploring Operation: 52-12=40, Resulting Numbers: [17, 40] Generated Node #0,2,3: 67:[17, 40] Operation: 52-12=40 Exploring Operation: 17-12=5, Resulting Numbers: [52, 5] Generated Node #0,2,4: 67:[52, 5] Operation: 17-12=5 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 67:[52, 29], Operations: ['3*4=12', '17+12=29'] Exploring Operation: 52-29=23, Resulting Numbers: [23] 23,67 unequal: No Solution Exploring Operation: 52+29=81, Resulting Numbers: [81] 81,67 unequal: No Solution Exploring Operation: 52*29=1508, Resulting Numbers: [1508] 1508,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 67:[17, 64], Operations: ['3*4=12', '52+12=64'] Exploring Operation: 17+64=81, Resulting Numbers: [81] 81,67 unequal: No Solution Exploring Operation: 64-17=47, Resulting Numbers: [47] 47,67 unequal: No Solution Exploring Operation: 17*64=1088, Resulting Numbers: [1088] 1088,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 67:[12, 69], Operations: ['3*4=12', '17+52=69'] Exploring Operation: 12*69=828, Resulting Numbers: [828] 828,67 unequal: No Solution Exploring Operation: 69-12=57, Resulting Numbers: [57] 57,67 unequal: No Solution Exploring Operation: 12+69=81, Resulting Numbers: [81] 81,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 67:[17, 40], Operations: ['3*4=12', '52-12=40'] Exploring Operation: 17*40=680, Resulting Numbers: [680] 680,67 unequal: No Solution Exploring Operation: 40-17=23, Resulting Numbers: [23] 23,67 unequal: No Solution Exploring Operation: 17+40=57, Resulting Numbers: [57] 57,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 67:[52, 5], Operations: ['3*4=12', '17-12=5'] Exploring Operation: 52-5=47, Resulting Numbers: [47] 47,67 unequal: No Solution Exploring Operation: 52+5=57, Resulting Numbers: [57] 57,67 unequal: No Solution Exploring Operation: 52*5=260, Resulting Numbers: [260] 260,67 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: 67:[17, 4, 55], Operations: ['3+52=55'] Exploring Operation: 17-4=13, Resulting Numbers: [55, 13] Generated Node #0,0,0: 67:[55, 13] Operation: 17-4=13 Exploring Operation: 17*4=68, Resulting Numbers: [55, 68] Generated Node #0,0,1: 67:[55, 68] Operation: 17*4=68 Exploring Operation: 4+55=59, Resulting Numbers: [17, 59] Generated Node #0,0,2: 67:[17, 59] Operation: 4+55=59 Exploring Operation: 55-4=51, Resulting Numbers: [17, 51] Generated Node #0,0,3: 67:[17, 51] Operation: 55-4=51 Exploring Operation: 17+4=21, Resulting Numbers: [55, 21] Generated Node #0,0,4: 67:[55, 21] Operation: 17+4=21 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 67:[55, 68], Operations: ['3+52=55', '17*4=68'] Exploring Operation: 55+68=123, Resulting Numbers: [123] 123,67 unequal: No Solution Exploring Operation: 68-55=13, Resulting Numbers: [13] 13,67 unequal: No Solution Exploring Operation: 55*68=3740, Resulting Numbers: [3740] 3740,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 67:[17, 59], Operations: ['3+52=55', '4+55=59'] Exploring Operation: 17+59=76, Resulting Numbers: [76] 76,67 unequal: No Solution Exploring Operation: 59-17=42, Resulting Numbers: [42] 42,67 unequal: No Solution Exploring Operation: 17*59=1003, Resulting Numbers: [1003] 1003,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 67:[55, 21], Operations: ['3+52=55', '17+4=21'] Exploring Operation: 55-21=34, Resulting Numbers: [34] 34,67 unequal: No Solution Exploring Operation: 55*21=1155, Resulting Numbers: [1155] 1155,67 unequal: No Solution Exploring Operation: 55+21=76, Resulting Numbers: [76] 76,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 67:[55, 13], Operations: ['3+52=55', '17-4=13'] Exploring Operation: 55*13=715, Resulting Numbers: [715] 715,67 unequal: No Solution Exploring Operation: 55+13=68, Resulting Numbers: [68] 68,67 unequal: No Solution Exploring Operation: 55-13=42, Resulting Numbers: [42] 42,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 67:[17, 51], Operations: ['3+52=55', '55-4=51'] Exploring Operation: 17+51=68, Resulting Numbers: [68] 68,67 unequal: No Solution Exploring Operation: 51-17=34, Resulting Numbers: [34] 34,67 unequal: No Solution Exploring Operation: 51/17=3, Resulting Numbers: [3] 3,67 unequal: No Solution Exploring Operation: 17*51=867, Resulting Numbers: [867] 867,67 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: 67:[52, 4, 20], Operations: ['3+17=20'] Exploring Operation: 4+20=24, Resulting Numbers: [52, 24] Generated Node #0,3,0: 67:[52, 24] Operation: 4+20=24 Exploring Operation: 4*20=80, Resulting Numbers: [52, 80] Generated Node #0,3,1: 67:[52, 80] Operation: 4*20=80 Exploring Operation: 52+4=56, Resulting Numbers: [20, 56] Generated Node #0,3,2: 67:[20, 56] Operation: 52+4=56 Exploring Operation: 52-4=48, Resulting Numbers: [20, 48] Generated Node #0,3,3: 67:[20, 48] Operation: 52-4=48 Exploring Operation: 20-4=16, Resulting Numbers: [52, 16] Generated Node #0,3,4: 67:[52, 16] Operation: 20-4=16 Moving to Node #0,4,3 Current State: 67:[68, 55], Operations: ['17*4=68', '3+52=55'] Exploring Operation: 68*55=3740, Resulting Numbers: [3740] 3740,67 unequal: No Solution Exploring Operation: 68+55=123, Resulting Numbers: [123] 123,67 unequal: No Solution Exploring Operation: 68-55=13, Resulting Numbers: [13] 13,67 unequal: No Solution Moving to Node #0,4,1 Current State: 67:[52, 65], Operations: ['17*4=68', '68-3=65'] Exploring Operation: 65-52=13, Resulting Numbers: [13] 13,67 unequal: No Solution Exploring Operation: 52*65=3380, Resulting Numbers: [3380] 3380,67 unequal: No Solution Exploring Operation: 52+65=117, Resulting Numbers: [117] 117,67 unequal: No Solution Moving to Node #0,4,0 Current State: 67:[68, 49], Operations: ['17*4=68', '52-3=49'] Exploring Operation: 68-49=19, Resulting Numbers: [19] 19,67 unequal: No Solution Exploring Operation: 68*49=3332, Resulting Numbers: [3332] 3332,67 unequal: No Solution Exploring Operation: 68+49=117, Resulting Numbers: [117] 117,67 unequal: No Solution Moving to Node #0,4,2 Current State: 67:[52, 71], Operations: ['17*4=68', '3+68=71'] Exploring Operation: 52*71=3692, Resulting Numbers: [3692] 3692,67 unequal: No Solution Exploring Operation: 71-52=19, Resulting Numbers: [19] 19,67 unequal: No Solution Exploring Operation: 52+71=123, Resulting Numbers: [123] 123,67 unequal: No Solution Moving to Node #0,3,1 Current State: 67:[52, 80], Operations: ['3+17=20', '4*20=80'] Exploring Operation: 52+80=132, Resulting Numbers: [132] 132,67 unequal: No Solution Exploring Operation: 80-52=28, Resulting Numbers: [28] 28,67 unequal: No Solution Exploring Operation: 52*80=4160, Resulting Numbers: [4160] 4160,67 unequal: No Solution Moving to Node #0,3,0 Current State: 67:[52, 24], Operations: ['3+17=20', '4+20=24'] Exploring Operation: 52+24=76, Resulting Numbers: [76] 76,67 unequal: No Solution Exploring Operation: 52-24=28, Resulting Numbers: [28] 28,67 unequal: No Solution Exploring Operation: 52*24=1248, Resulting Numbers: [1248] 1248,67 unequal: No Solution Moving to Node #0,3,2 Current State: 67:[20, 56], Operations: ['3+17=20', '52+4=56'] Exploring Operation: 56-20=36, Resulting Numbers: [36] 36,67 unequal: No Solution Exploring Operation: 20+56=76, Resulting Numbers: [76] 76,67 unequal: No Solution Exploring Operation: 20*56=1120, Resulting Numbers: [1120] 1120,67 unequal: No Solution Moving to Node #0,3,3 Current State: 67:[20, 48], Operations: ['3+17=20', '52-4=48'] Exploring Operation: 20+48=68, Resulting Numbers: [68] 68,67 unequal: No Solution Exploring Operation: 48-20=28, Resulting Numbers: [28] 28,67 unequal: No Solution Exploring Operation: 20*48=960, Resulting Numbers: [960] 960,67 unequal: No Solution Moving to Node #0,3,4 Current State: 67:[52, 16], Operations: ['3+17=20', '20-4=16'] Exploring Operation: 52*16=832, Resulting Numbers: [832] 832,67 unequal: No Solution Exploring Operation: 52+16=68, Resulting Numbers: [68] 68,67 unequal: No Solution Exploring Operation: 52-16=36, Resulting Numbers: [36] 36,67 unequal: No Solution Moving to Node #0,4,4 Current State: 67:[68, 156], Operations: ['17*4=68', '3*52=156'] Exploring Operation: 156-68=88, Resulting Numbers: [88] 88,67 unequal: No Solution Exploring Operation: 68*156=10608, Resulting Numbers: [10608] 10608,67 unequal: No Solution Exploring Operation: 68+156=224, Resulting Numbers: [224] 224,67 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 93, 89, 91, 13 ]
39
[ "93-89=4", "13*4=52", "91-52=39" ]
Current State: 39:[93, 89, 91, 13], Operations: [] Exploring Operation: 93-89=4, Resulting Numbers: [91, 13, 4] Generated Node #2: [91, 13, 4] from Operation: 93-89=4 Current State: 39:[91, 13, 4], Operations: ['93-89=4'] Exploring Operation: 13*4=52, Resulting Numbers: [91, 52] Generated Node #3: [91, 52] from Operation: 13*4=52 Current State: 39:[91, 52], Operations: ['93-89=4', '13*4=52'] Exploring Operation: 91-52=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
4
Current State: 39:[93, 89, 91, 13], Operations: [] Exploring Operation: 93-89=4, Resulting Numbers: [91, 13, 4] Generated Node #0,0: 39:[91, 13, 4] Operation: 93-89=4 Exploring Operation: 91/13=7, Resulting Numbers: [93, 89, 7] Generated Node #0,1: 39:[93, 89, 7] Operation: 91/13=7 Exploring Operation: 91-89=2, Resulting Numbers: [93, 13, 2] Generated Node #0,2: 39:[93, 13, 2] Operation: 91-89=2 Exploring Operation: 93-91=2, Resulting Numbers: [89, 13, 2] Generated Node #0,3: 39:[89, 13, 2] Operation: 93-91=2 Moving to Node #0,3 Current State: 39:[89, 13, 2], Operations: ['93-91=2'] Exploring Operation: 89+2=91, Resulting Numbers: [13, 91] Generated Node #0,3,0: 39:[13, 91] Operation: 89+2=91 Exploring Operation: 89-13=76, Resulting Numbers: [2, 76] Generated Node #0,3,1: 39:[2, 76] Operation: 89-13=76 Exploring Operation: 13+2=15, Resulting Numbers: [89, 15] Generated Node #0,3,2: 39:[89, 15] Operation: 13+2=15 Exploring Operation: 89-2=87, Resulting Numbers: [13, 87] Generated Node #0,3,3: 39:[13, 87] Operation: 89-2=87 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 39:[2, 76], Operations: ['93-91=2', '89-13=76'] Exploring Operation: 76/2=38, Resulting Numbers: [38] 38,39 unequal: No Solution Exploring Operation: 2*76=152, Resulting Numbers: [152] 152,39 unequal: No Solution Exploring Operation: 76-2=74, Resulting Numbers: [74] 74,39 unequal: No Solution Exploring Operation: 2+76=78, Resulting Numbers: [78] 78,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 39:[13, 87], Operations: ['93-91=2', '89-2=87'] Exploring Operation: 13+87=100, Resulting Numbers: [100] 100,39 unequal: No Solution Exploring Operation: 87-13=74, Resulting Numbers: [74] 74,39 unequal: No Solution Exploring Operation: 13*87=1131, Resulting Numbers: [1131] 1131,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 39:[13, 91], Operations: ['93-91=2', '89+2=91'] Exploring Operation: 13+91=104, Resulting Numbers: [104] 104,39 unequal: No Solution Exploring Operation: 13*91=1183, Resulting Numbers: [1183] 1183,39 unequal: No Solution Exploring Operation: 91-13=78, Resulting Numbers: [78] 78,39 unequal: No Solution Exploring Operation: 91/13=7, Resulting Numbers: [7] 7,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 39:[89, 15], Operations: ['93-91=2', '13+2=15'] Exploring Operation: 89*15=1335, Resulting Numbers: [1335] 1335,39 unequal: No Solution Exploring Operation: 89+15=104, Resulting Numbers: [104] 104,39 unequal: No Solution Exploring Operation: 89-15=74, Resulting Numbers: [74] 74,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 39:[91, 13, 4], Operations: ['93-89=4'] Exploring Operation: 91+4=95, Resulting Numbers: [13, 95] Generated Node #0,0,0: 39:[13, 95] Operation: 91+4=95 Exploring Operation: 91-4=87, Resulting Numbers: [13, 87] Generated Node #0,0,1: 39:[13, 87] Operation: 91-4=87 Exploring Operation: 91-13=78, Resulting Numbers: [4, 78] Generated Node #0,0,2: 39:[4, 78] Operation: 91-13=78 Exploring Operation: 91/13=7, Resulting Numbers: [4, 7] Generated Node #0,0,3: 39:[4, 7] Operation: 91/13=7 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 39:[4, 7], Operations: ['93-89=4', '91/13=7'] Exploring Operation: 7-4=3, Resulting Numbers: [3] 3,39 unequal: No Solution Exploring Operation: 4+7=11, Resulting Numbers: [11] 11,39 unequal: No Solution Exploring Operation: 4*7=28, Resulting Numbers: [28] 28,39 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 #0,0,2 Current State: 39:[4, 78], Operations: ['93-89=4', '91-13=78'] Exploring Operation: 4*78=312, Resulting Numbers: [312] 312,39 unequal: No Solution Exploring Operation: 4+78=82, Resulting Numbers: [82] 82,39 unequal: No Solution Exploring Operation: 78-4=74, Resulting Numbers: [74] 74,39 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 #0,0,1 Current State: 39:[13, 87], Operations: ['93-89=4', '91-4=87'] Exploring Operation: 13+87=100, Resulting Numbers: [100] 100,39 unequal: No Solution Exploring Operation: 87-13=74, Resulting Numbers: [74] 74,39 unequal: No Solution Exploring Operation: 13*87=1131, Resulting Numbers: [1131] 1131,39 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 #0,0,0 Current State: 39:[13, 95], Operations: ['93-89=4', '91+4=95'] Exploring Operation: 95-13=82, Resulting Numbers: [82] 82,39 unequal: No Solution Exploring Operation: 13+95=108, Resulting Numbers: [108] 108,39 unequal: No Solution Exploring Operation: 13*95=1235, Resulting Numbers: [1235] 1235,39 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: 39:[93, 13, 2], Operations: ['91-89=2'] Exploring Operation: 13+2=15, Resulting Numbers: [93, 15] Generated Node #0,2,0: 39:[93, 15] Operation: 13+2=15 Exploring Operation: 93-13=80, Resulting Numbers: [2, 80] Generated Node #0,2,1: 39:[2, 80] Operation: 93-13=80 Exploring Operation: 93+2=95, Resulting Numbers: [13, 95] Generated Node #0,2,2: 39:[13, 95] Operation: 93+2=95 Exploring Operation: 93-2=91, Resulting Numbers: [13, 91] Generated Node #0,2,3: 39:[13, 91] Operation: 93-2=91 Moving to Node #0,1 Current State: 39:[93, 89, 7], Operations: ['91/13=7'] Exploring Operation: 93+7=100, Resulting Numbers: [89, 100] Generated Node #0,1,0: 39:[89, 100] Operation: 93+7=100 Exploring Operation: 89-7=82, Resulting Numbers: [93, 82] Generated Node #0,1,1: 39:[93, 82] Operation: 89-7=82 Exploring Operation: 93-7=86, Resulting Numbers: [89, 86] Generated Node #0,1,2: 39:[89, 86] Operation: 93-7=86 Exploring Operation: 93-89=4, Resulting Numbers: [7, 4] Generated Node #0,1,3: 39:[7, 4] Operation: 93-89=4 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 39:[7, 4], Operations: ['91/13=7', '93-89=4'] Exploring Operation: 7-4=3, Resulting Numbers: [3] 3,39 unequal: No Solution Exploring Operation: 7+4=11, Resulting Numbers: [11] 11,39 unequal: No Solution Exploring Operation: 7*4=28, Resulting Numbers: [28] 28,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 39:[93, 82], Operations: ['91/13=7', '89-7=82'] Exploring Operation: 93-82=11, Resulting Numbers: [11] 11,39 unequal: No Solution Exploring Operation: 93*82=7626, Resulting Numbers: [7626] 7626,39 unequal: No Solution Exploring Operation: 93+82=175, Resulting Numbers: [175] 175,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 39:[89, 86], Operations: ['91/13=7', '93-7=86'] Exploring Operation: 89*86=7654, Resulting Numbers: [7654] 7654,39 unequal: No Solution Exploring Operation: 89-86=3, Resulting Numbers: [3] 3,39 unequal: No Solution Exploring Operation: 89+86=175, Resulting Numbers: [175] 175,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 39:[89, 100], Operations: ['91/13=7', '93+7=100'] Exploring Operation: 89+100=189, Resulting Numbers: [189] 189,39 unequal: No Solution Exploring Operation: 100-89=11, Resulting Numbers: [11] 11,39 unequal: No Solution Exploring Operation: 89*100=8900, Resulting Numbers: [8900] 8900,39 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: 39:[2, 80], Operations: ['91-89=2', '93-13=80'] Exploring Operation: 2*80=160, Resulting Numbers: [160] 160,39 unequal: No Solution Exploring Operation: 2+80=82, Resulting Numbers: [82] 82,39 unequal: No Solution Exploring Operation: 80/2=40, Resulting Numbers: [40] 40,39 unequal: No Solution Exploring Operation: 80-2=78, Resulting Numbers: [78] 78,39 unequal: No Solution Moving to Node #0,2,3 Current State: 39:[13, 91], Operations: ['91-89=2', '93-2=91'] Exploring Operation: 91/13=7, Resulting Numbers: [7] 7,39 unequal: No Solution Exploring Operation: 91-13=78, Resulting Numbers: [78] 78,39 unequal: No Solution Exploring Operation: 13+91=104, Resulting Numbers: [104] 104,39 unequal: No Solution Exploring Operation: 13*91=1183, Resulting Numbers: [1183] 1183,39 unequal: No Solution Moving to Node #0,2,2 Current State: 39:[13, 95], Operations: ['91-89=2', '93+2=95'] Exploring Operation: 95-13=82, Resulting Numbers: [82] 82,39 unequal: No Solution Exploring Operation: 13*95=1235, Resulting Numbers: [1235] 1235,39 unequal: No Solution Exploring Operation: 13+95=108, Resulting Numbers: [108] 108,39 unequal: No Solution Moving to Node #0,2,0 Current State: 39:[93, 15], Operations: ['91-89=2', '13+2=15'] Exploring Operation: 93*15=1395, Resulting Numbers: [1395] 1395,39 unequal: No Solution Exploring Operation: 93+15=108, Resulting Numbers: [108] 108,39 unequal: No Solution Exploring Operation: 93-15=78, Resulting Numbers: [78] 78,39 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 72, 85, 83, 58 ]
65
[ "72+58=130", "85-83=2", "130/2=65" ]
Current State: 65:[72, 85, 83, 58], Operations: [] Exploring Operation: 72+58=130, Resulting Numbers: [85, 83, 130] Generated Node #2: [85, 83, 130] from Operation: 72+58=130 Current State: 65:[85, 83, 130], Operations: ['72+58=130'] Exploring Operation: 85-83=2, Resulting Numbers: [130, 2] Generated Node #3: [130, 2] from Operation: 85-83=2 Current State: 65:[130, 2], Operations: ['72+58=130', '85-83=2'] Exploring Operation: 130/2=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
4
Current State: 65:[72, 85, 83, 58], Operations: [] Exploring Operation: 85-83=2, Resulting Numbers: [72, 58, 2] Generated Node #0,0: 65:[72, 58, 2] Operation: 85-83=2 Exploring Operation: 83-72=11, Resulting Numbers: [85, 58, 11] Generated Node #0,1: 65:[85, 58, 11] Operation: 83-72=11 Exploring Operation: 72-58=14, Resulting Numbers: [85, 83, 14] Generated Node #0,2: 65:[85, 83, 14] Operation: 72-58=14 Exploring Operation: 85-72=13, Resulting Numbers: [83, 58, 13] Generated Node #0,3: 65:[83, 58, 13] Operation: 85-72=13 Moving to Node #0,0 Current State: 65:[72, 58, 2], Operations: ['85-83=2'] Exploring Operation: 72-58=14, Resulting Numbers: [2, 14] Generated Node #0,0,0: 65:[2, 14] Operation: 72-58=14 Exploring Operation: 58+2=60, Resulting Numbers: [72, 60] Generated Node #0,0,1: 65:[72, 60] Operation: 58+2=60 Exploring Operation: 72-2=70, Resulting Numbers: [58, 70] Generated Node #0,0,2: 65:[58, 70] Operation: 72-2=70 Exploring Operation: 72+2=74, Resulting Numbers: [58, 74] Generated Node #0,0,3: 65:[58, 74] Operation: 72+2=74 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 65:[2, 14], Operations: ['85-83=2', '72-58=14'] Exploring Operation: 2*14=28, Resulting Numbers: [28] 28,65 unequal: No Solution Exploring Operation: 2+14=16, Resulting Numbers: [16] 16,65 unequal: No Solution Exploring Operation: 14-2=12, Resulting Numbers: [12] 12,65 unequal: No Solution Exploring Operation: 14/2=7, Resulting Numbers: [7] 7,65 unequal: No Solution No 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: 65:[72, 60], Operations: ['85-83=2', '58+2=60'] Exploring Operation: 72-60=12, Resulting Numbers: [12] 12,65 unequal: No Solution Exploring Operation: 72*60=4320, Resulting Numbers: [4320] 4320,65 unequal: No Solution Exploring Operation: 72+60=132, Resulting Numbers: [132] 132,65 unequal: No Solution No 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: 65:[58, 70], Operations: ['85-83=2', '72-2=70'] Exploring Operation: 70-58=12, Resulting Numbers: [12] 12,65 unequal: No Solution Exploring Operation: 58+70=128, Resulting Numbers: [128] 128,65 unequal: No Solution Exploring Operation: 58*70=4060, Resulting Numbers: [4060] 4060,65 unequal: No Solution No 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: 65:[58, 74], Operations: ['85-83=2', '72+2=74'] Exploring Operation: 58*74=4292, Resulting Numbers: [4292] 4292,65 unequal: No Solution Exploring Operation: 58+74=132, Resulting Numbers: [132] 132,65 unequal: No Solution Exploring Operation: 74-58=16, Resulting Numbers: [16] 16,65 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: 65:[83, 58, 13], Operations: ['85-72=13'] Exploring Operation: 83-13=70, Resulting Numbers: [58, 70] Generated Node #0,3,0: 65:[58, 70] Operation: 83-13=70 Exploring Operation: 58+13=71, Resulting Numbers: [83, 71] Generated Node #0,3,1: 65:[83, 71] Operation: 58+13=71 Exploring Operation: 83+13=96, Resulting Numbers: [58, 96] Generated Node #0,3,2: 65:[58, 96] Operation: 83+13=96 Exploring Operation: 83-58=25, Resulting Numbers: [13, 25] Generated Node #0,3,3: 65:[13, 25] Operation: 83-58=25 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 65:[58, 70], Operations: ['85-72=13', '83-13=70'] Exploring Operation: 58+70=128, Resulting Numbers: [128] 128,65 unequal: No Solution Exploring Operation: 70-58=12, Resulting Numbers: [12] 12,65 unequal: No Solution Exploring Operation: 58*70=4060, Resulting Numbers: [4060] 4060,65 unequal: No Solution No 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: 65:[13, 25], Operations: ['85-72=13', '83-58=25'] Exploring Operation: 13+25=38, Resulting Numbers: [38] 38,65 unequal: No Solution Exploring Operation: 13*25=325, Resulting Numbers: [325] 325,65 unequal: No Solution Exploring Operation: 25-13=12, Resulting Numbers: [12] 12,65 unequal: No Solution No 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: 65:[83, 71], Operations: ['85-72=13', '58+13=71'] Exploring Operation: 83+71=154, Resulting Numbers: [154] 154,65 unequal: No Solution Exploring Operation: 83-71=12, Resulting Numbers: [12] 12,65 unequal: No Solution Exploring Operation: 83*71=5893, Resulting Numbers: [5893] 5893,65 unequal: No Solution No 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: 65:[58, 96], Operations: ['85-72=13', '83+13=96'] Exploring Operation: 58*96=5568, Resulting Numbers: [5568] 5568,65 unequal: No Solution Exploring Operation: 58+96=154, Resulting Numbers: [154] 154,65 unequal: No Solution Exploring Operation: 96-58=38, Resulting Numbers: [38] 38,65 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: 65:[85, 58, 11], Operations: ['83-72=11'] Exploring Operation: 85+11=96, Resulting Numbers: [58, 96] Generated Node #0,1,0: 65:[58, 96] Operation: 85+11=96 Exploring Operation: 58+11=69, Resulting Numbers: [85, 69] Generated Node #0,1,1: 65:[85, 69] Operation: 58+11=69 Exploring Operation: 85-58=27, Resulting Numbers: [11, 27] Generated Node #0,1,2: 65:[11, 27] Operation: 85-58=27 Exploring Operation: 85-11=74, Resulting Numbers: [58, 74] Generated Node #0,1,3: 65:[58, 74] Operation: 85-11=74 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 65:[11, 27], Operations: ['83-72=11', '85-58=27'] Exploring Operation: 27-11=16, Resulting Numbers: [16] 16,65 unequal: No Solution Exploring Operation: 11*27=297, Resulting Numbers: [297] 297,65 unequal: No Solution Exploring Operation: 11+27=38, Resulting Numbers: [38] 38,65 unequal: No Solution No 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: 65:[58, 74], Operations: ['83-72=11', '85-11=74'] Exploring Operation: 74-58=16, Resulting Numbers: [16] 16,65 unequal: No Solution Exploring Operation: 58*74=4292, Resulting Numbers: [4292] 4292,65 unequal: No Solution Exploring Operation: 58+74=132, Resulting Numbers: [132] 132,65 unequal: No Solution No 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: 65:[85, 69], Operations: ['83-72=11', '58+11=69'] Exploring Operation: 85+69=154, Resulting Numbers: [154] 154,65 unequal: No Solution Exploring Operation: 85*69=5865, Resulting Numbers: [5865] 5865,65 unequal: No Solution Exploring Operation: 85-69=16, Resulting Numbers: [16] 16,65 unequal: No Solution No 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: 65:[58, 96], Operations: ['83-72=11', '85+11=96'] Exploring Operation: 58+96=154, Resulting Numbers: [154] 154,65 unequal: No Solution Exploring Operation: 58*96=5568, Resulting Numbers: [5568] 5568,65 unequal: No Solution Exploring Operation: 96-58=38, Resulting Numbers: [38] 38,65 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: 65:[85, 83, 14], Operations: ['72-58=14'] Exploring Operation: 85-83=2, Resulting Numbers: [14, 2] Generated Node #0,2,0: 65:[14, 2] Operation: 85-83=2 Exploring Operation: 85+14=99, Resulting Numbers: [83, 99] Generated Node #0,2,1: 65:[83, 99] Operation: 85+14=99 Exploring Operation: 83-14=69, Resulting Numbers: [85, 69] Generated Node #0,2,2: 65:[85, 69] Operation: 83-14=69 Exploring Operation: 85-14=71, Resulting Numbers: [83, 71] Generated Node #0,2,3: 65:[83, 71] Operation: 85-14=71 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 65:[14, 2], Operations: ['72-58=14', '85-83=2'] Exploring Operation: 14+2=16, Resulting Numbers: [16] 16,65 unequal: No Solution Exploring Operation: 14/2=7, Resulting Numbers: [7] 7,65 unequal: No Solution Exploring Operation: 14*2=28, Resulting Numbers: [28] 28,65 unequal: No Solution Exploring Operation: 14-2=12, Resulting Numbers: [12] 12,65 unequal: No Solution No 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: 65:[85, 69], Operations: ['72-58=14', '83-14=69'] Exploring Operation: 85+69=154, Resulting Numbers: [154] 154,65 unequal: No Solution Exploring Operation: 85*69=5865, Resulting Numbers: [5865] 5865,65 unequal: No Solution Exploring Operation: 85-69=16, Resulting Numbers: [16] 16,65 unequal: No Solution No 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: 65:[83, 71], Operations: ['72-58=14', '85-14=71'] Exploring Operation: 83*71=5893, Resulting Numbers: [5893] 5893,65 unequal: No Solution Exploring Operation: 83-71=12, Resulting Numbers: [12] 12,65 unequal: No Solution Exploring Operation: 83+71=154, Resulting Numbers: [154] 154,65 unequal: No Solution No 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: 65:[83, 99], Operations: ['72-58=14', '85+14=99'] Exploring Operation: 83+99=182, Resulting Numbers: [182] 182,65 unequal: No Solution Exploring Operation: 83*99=8217, Resulting Numbers: [8217] 8217,65 unequal: No Solution Exploring Operation: 99-83=16, Resulting Numbers: [16] 16,65 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
[ 61, 3, 57, 66 ]
95
[ "66-61=5", "57/3=19", "5*19=95" ]
Current State: 95:[61, 3, 57, 66], Operations: [] Exploring Operation: 66-61=5, Resulting Numbers: [3, 57, 5] Generated Node #2: [3, 57, 5] from Operation: 66-61=5 Current State: 95:[3, 57, 5], Operations: ['66-61=5'] Exploring Operation: 57/3=19, Resulting Numbers: [5, 19] Generated Node #3: [5, 19] from Operation: 57/3=19 Current State: 95:[5, 19], Operations: ['66-61=5', '57/3=19'] Exploring Operation: 5*19=95, Resulting Numbers: [95] 95,95 equal: Goal Reached
4
Current State: 95:[61, 3, 57, 66], Operations: [] Exploring Operation: 61-57=4, Resulting Numbers: [3, 66, 4] Generated Node #0,0: 95:[3, 66, 4] Operation: 61-57=4 Exploring Operation: 61+57=118, Resulting Numbers: [3, 66, 118] Generated Node #0,1: 95:[3, 66, 118] Operation: 61+57=118 Exploring Operation: 66-57=9, Resulting Numbers: [61, 3, 9] Generated Node #0,2: 95:[61, 3, 9] Operation: 66-57=9 Exploring Operation: 66-61=5, Resulting Numbers: [3, 57, 5] Generated Node #0,3: 95:[3, 57, 5] Operation: 66-61=5 Exploring Operation: 57/3=19, Resulting Numbers: [61, 66, 19] Generated Node #0,4: 95:[61, 66, 19] Operation: 57/3=19 Moving to Node #0,0 Current State: 95:[3, 66, 4], Operations: ['61-57=4'] Exploring Operation: 3+66=69, Resulting Numbers: [4, 69] Generated Node #0,0,0: 95:[4, 69] Operation: 3+66=69 Exploring Operation: 66/3=22, Resulting Numbers: [4, 22] Generated Node #0,0,1: 95:[4, 22] Operation: 66/3=22 Exploring Operation: 66+4=70, Resulting Numbers: [3, 70] Generated Node #0,0,2: 95:[3, 70] Operation: 66+4=70 Exploring Operation: 66-3=63, Resulting Numbers: [4, 63] Generated Node #0,0,3: 95:[4, 63] Operation: 66-3=63 Exploring Operation: 3+4=7, Resulting Numbers: [66, 7] Generated Node #0,0,4: 95:[66, 7] Operation: 3+4=7 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 95:[4, 22], Operations: ['61-57=4', '66/3=22'] Exploring Operation: 4*22=88, Resulting Numbers: [88] 88,95 unequal: No Solution Exploring Operation: 22-4=18, Resulting Numbers: [18] 18,95 unequal: No Solution Exploring Operation: 4+22=26, Resulting Numbers: [26] 26,95 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 95:[4, 69], Operations: ['61-57=4', '3+66=69'] Exploring Operation: 4*69=276, Resulting Numbers: [276] 276,95 unequal: No Solution Exploring Operation: 4+69=73, Resulting Numbers: [73] 73,95 unequal: No Solution Exploring Operation: 69-4=65, Resulting Numbers: [65] 65,95 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 95:[3, 70], Operations: ['61-57=4', '66+4=70'] Exploring Operation: 3+70=73, Resulting Numbers: [73] 73,95 unequal: No Solution Exploring Operation: 70-3=67, Resulting Numbers: [67] 67,95 unequal: No Solution Exploring Operation: 3*70=210, Resulting Numbers: [210] 210,95 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 95:[66, 7], Operations: ['61-57=4', '3+4=7'] Exploring Operation: 66*7=462, Resulting Numbers: [462] 462,95 unequal: No Solution Exploring Operation: 66-7=59, Resulting Numbers: [59] 59,95 unequal: No Solution Exploring Operation: 66+7=73, Resulting Numbers: [73] 73,95 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 95:[4, 63], Operations: ['61-57=4', '66-3=63'] Exploring Operation: 4+63=67, Resulting Numbers: [67] 67,95 unequal: No Solution Exploring Operation: 4*63=252, Resulting Numbers: [252] 252,95 unequal: No Solution Exploring Operation: 63-4=59, Resulting Numbers: [59] 59,95 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: 95:[3, 57, 5], Operations: ['66-61=5'] Exploring Operation: 57+5=62, Resulting Numbers: [3, 62] Generated Node #0,3,0: 95:[3, 62] Operation: 57+5=62 Exploring Operation: 3+57=60, Resulting Numbers: [5, 60] Generated Node #0,3,1: 95:[5, 60] Operation: 3+57=60 Exploring Operation: 57-5=52, Resulting Numbers: [3, 52] Generated Node #0,3,2: 95:[3, 52] Operation: 57-5=52 Exploring Operation: 57-3=54, Resulting Numbers: [5, 54] Generated Node #0,3,3: 95:[5, 54] Operation: 57-3=54 Exploring Operation: 57/3=19, Resulting Numbers: [5, 19] Generated Node #0,3,4: 95:[5, 19] Operation: 57/3=19 Moving to Node #0,2 Current State: 95:[61, 3, 9], Operations: ['66-57=9'] Exploring Operation: 61+9=70, Resulting Numbers: [3, 70] Generated Node #0,2,0: 95:[3, 70] Operation: 61+9=70 Exploring Operation: 9/3=3, Resulting Numbers: [61, 3] Generated Node #0,2,1: 95:[61, 3] Operation: 9/3=3 Exploring Operation: 61-9=52, Resulting Numbers: [3, 52] Generated Node #0,2,2: 95:[3, 52] Operation: 61-9=52 Exploring Operation: 61+3=64, Resulting Numbers: [9, 64] Generated Node #0,2,3: 95:[9, 64] Operation: 61+3=64 Exploring Operation: 9-3=6, Resulting Numbers: [61, 6] Generated Node #0,2,4: 95:[61, 6] Operation: 9-3=6 Moving to Node #0,1 Current State: 95:[3, 66, 118], Operations: ['61+57=118'] Exploring Operation: 66/3=22, Resulting Numbers: [118, 22] Generated Node #0,1,0: 95:[118, 22] Operation: 66/3=22 Exploring Operation: 118-3=115, Resulting Numbers: [66, 115] Generated Node #0,1,1: 95:[66, 115] Operation: 118-3=115 Exploring Operation: 118-66=52, Resulting Numbers: [3, 52] Generated Node #0,1,2: 95:[3, 52] Operation: 118-66=52 Exploring Operation: 3+66=69, Resulting Numbers: [118, 69] Generated Node #0,1,3: 95:[118, 69] Operation: 3+66=69 Exploring Operation: 66-3=63, Resulting Numbers: [118, 63] Generated Node #0,1,4: 95:[118, 63] Operation: 66-3=63 Moving to Node #0,4 Current State: 95:[61, 66, 19], Operations: ['57/3=19'] Exploring Operation: 66-61=5, Resulting Numbers: [19, 5] Generated Node #0,4,0: 95:[19, 5] Operation: 66-61=5 Exploring Operation: 61+66=127, Resulting Numbers: [19, 127] Generated Node #0,4,1: 95:[19, 127] Operation: 61+66=127 Exploring Operation: 66+19=85, Resulting Numbers: [61, 85] Generated Node #0,4,2: 95:[61, 85] Operation: 66+19=85 Exploring Operation: 61+19=80, Resulting Numbers: [66, 80] Generated Node #0,4,3: 95:[66, 80] Operation: 61+19=80 Exploring Operation: 61-19=42, Resulting Numbers: [66, 42] Generated Node #0,4,4: 95:[66, 42] Operation: 61-19=42 Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 95:[19, 5], Operations: ['57/3=19', '66-61=5'] Exploring Operation: 19*5=95, Resulting Numbers: [95] 95,95 equal: Goal Reached Moving to Node #0 Current State: 95:[61, 3, 57, 66], Operations: [] Exploring Operation: 57/3=19, Resulting Numbers: [61, 66, 19] Generated Node #0,4: 95:[61, 66, 19] Operation: 57/3=19 Moving to Node #0,4 Current State: 95:[61, 66, 19], Operations: ['57/3=19'] Exploring Operation: 66-61=5, Resulting Numbers: [19, 5] Generated Node #0,4,0: 95:[19, 5] Operation: 66-61=5 Moving to Node #0,4,0 Current State: 95:[19, 5], Operations: ['57/3=19', '66-61=5'] Exploring Operation: 19*5=95, Resulting Numbers: [95] 95,95 equal: Goal Reached Exit Sub Search at level 1
0.956597
hs_5
sum_heuristic
[ 3, 78, 9, 33 ]
68
[ "78/3=26", "9+33=42", "26+42=68" ]
Current State: 68:[3, 78, 9, 33], Operations: [] Exploring Operation: 78/3=26, Resulting Numbers: [9, 33, 26] Generated Node #2: [9, 33, 26] from Operation: 78/3=26 Current State: 68:[9, 33, 26], Operations: ['78/3=26'] Exploring Operation: 9+33=42, Resulting Numbers: [26, 42] Generated Node #3: [26, 42] from Operation: 9+33=42 Current State: 68:[26, 42], Operations: ['78/3=26', '9+33=42'] Exploring Operation: 26+42=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
4
Current State: 68:[3, 78, 9, 33], Operations: [] Exploring Operation: 9/3=3, Resulting Numbers: [78, 33, 3] Generated Node #0,0: 68:[78, 33, 3] Operation: 9/3=3 Exploring Operation: 78-9=69, Resulting Numbers: [3, 33, 69] Generated Node #0,1: 68:[3, 33, 69] Operation: 78-9=69 Exploring Operation: 78-3=75, Resulting Numbers: [9, 33, 75] Generated Node #0,2: 68:[9, 33, 75] Operation: 78-3=75 Start Sub Search at level 1: Moving to Node #0,1 Current State: 68:[3, 33, 69], Operations: ['78-9=69'] Exploring Operation: 69-33=36, Resulting Numbers: [3, 36] Generated Node #0,1,0: 68:[3, 36] Operation: 69-33=36 Exploring Operation: 3+33=36, Resulting Numbers: [69, 36] Generated Node #0,1,1: 68:[69, 36] Operation: 3+33=36 Exploring Operation: 69-3=66, Resulting Numbers: [33, 66] Generated Node #0,1,2: 68:[33, 66] Operation: 69-3=66 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 68:[3, 36], Operations: ['78-9=69', '69-33=36'] Exploring Operation: 3+36=39, Resulting Numbers: [39] 39,68 unequal: No Solution Exploring Operation: 36-3=33, Resulting Numbers: [33] 33,68 unequal: No Solution Exploring Operation: 36/3=12, Resulting Numbers: [12] 12,68 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 68:[69, 36], Operations: ['78-9=69', '3+33=36'] Exploring Operation: 69+36=105, Resulting Numbers: [105] 105,68 unequal: No Solution Exploring Operation: 69-36=33, Resulting Numbers: [33] 33,68 unequal: No Solution Exploring Operation: 69*36=2484, Resulting Numbers: [2484] 2484,68 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 68:[33, 66], Operations: ['78-9=69', '69-3=66'] Exploring Operation: 33+66=99, Resulting Numbers: [99] 99,68 unequal: No Solution Exploring Operation: 66/33=2, Resulting Numbers: [2] 2,68 unequal: No Solution Exploring Operation: 66-33=33, Resulting Numbers: [33] 33,68 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 68:[78, 33, 3], Operations: ['9/3=3'] Exploring Operation: 78-33=45, Resulting Numbers: [3, 45] Generated Node #0,0,0: 68:[3, 45] Operation: 78-33=45 Exploring Operation: 78-3=75, Resulting Numbers: [33, 75] Generated Node #0,0,1: 68:[33, 75] Operation: 78-3=75 Exploring Operation: 78/3=26, Resulting Numbers: [33, 26] Generated Node #0,0,2: 68:[33, 26] Operation: 78/3=26 Moving to Node #0,0,1 Current State: 68:[33, 75], Operations: ['9/3=3', '78-3=75'] Exploring Operation: 33+75=108, Resulting Numbers: [108] 108,68 unequal: No Solution Exploring Operation: 33*75=2475, Resulting Numbers: [2475] 2475,68 unequal: No Solution Exploring Operation: 75-33=42, Resulting Numbers: [42] 42,68 unequal: No Solution Moving to Node #0,0,2 Current State: 68:[33, 26], Operations: ['9/3=3', '78/3=26'] Exploring Operation: 33+26=59, Resulting Numbers: [59] 59,68 unequal: No Solution Exploring Operation: 33*26=858, Resulting Numbers: [858] 858,68 unequal: No Solution Exploring Operation: 33-26=7, Resulting Numbers: [7] 7,68 unequal: No Solution Moving to Node #0,0,0 Current State: 68:[3, 45], Operations: ['9/3=3', '78-33=45'] Exploring Operation: 3+45=48, Resulting Numbers: [48] 48,68 unequal: No Solution Exploring Operation: 45/3=15, Resulting Numbers: [15] 15,68 unequal: No Solution Exploring Operation: 45-3=42, Resulting Numbers: [42] 42,68 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 68:[9, 33, 75], Operations: ['78-3=75'] Exploring Operation: 33-9=24, Resulting Numbers: [75, 24] Generated Node #0,2,0: 68:[75, 24] Operation: 33-9=24 Exploring Operation: 75-33=42, Resulting Numbers: [9, 42] Generated Node #0,2,1: 68:[9, 42] Operation: 75-33=42 Exploring Operation: 75-9=66, Resulting Numbers: [33, 66] Generated Node #0,2,2: 68:[33, 66] Operation: 75-9=66 Moving to Node #0,2,2 Current State: 68:[33, 66], Operations: ['78-3=75', '75-9=66'] Exploring Operation: 66/33=2, Resulting Numbers: [2] 2,68 unequal: No Solution Exploring Operation: 33+66=99, Resulting Numbers: [99] 99,68 unequal: No Solution Exploring Operation: 66-33=33, Resulting Numbers: [33] 33,68 unequal: No Solution Moving to Node #0,2,1 Current State: 68:[9, 42], Operations: ['78-3=75', '75-33=42'] Exploring Operation: 9+42=51, Resulting Numbers: [51] 51,68 unequal: No Solution Exploring Operation: 9*42=378, Resulting Numbers: [378] 378,68 unequal: No Solution Exploring Operation: 42-9=33, Resulting Numbers: [33] 33,68 unequal: No Solution Moving to Node #0,2,0 Current State: 68:[75, 24], Operations: ['78-3=75', '33-9=24'] Exploring Operation: 75+24=99, Resulting Numbers: [99] 99,68 unequal: No Solution Exploring Operation: 75-24=51, Resulting Numbers: [51] 51,68 unequal: No Solution Exploring Operation: 75*24=1800, Resulting Numbers: [1800] 1800,68 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
mult_heuristic
[ 28, 62, 24, 94 ]
36
[ "62-28=34", "94-24=70", "70-34=36" ]
Current State: 36:[28, 62, 24, 94], Operations: [] Exploring Operation: 62-28=34, Resulting Numbers: [24, 94, 34] Generated Node #2: [24, 94, 34] from Operation: 62-28=34 Current State: 36:[24, 94, 34], Operations: ['62-28=34'] Exploring Operation: 94-24=70, Resulting Numbers: [34, 70] Generated Node #3: [34, 70] from Operation: 94-24=70 Current State: 36:[34, 70], Operations: ['62-28=34', '94-24=70'] Exploring Operation: 70-34=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
4
Current State: 36:[28, 62, 24, 94], Operations: [] Exploring Operation: 94-28=66, Resulting Numbers: [62, 24, 66] Generated Node #0,0: 36:[62, 24, 66] Operation: 94-28=66 Exploring Operation: 94-62=32, Resulting Numbers: [28, 24, 32] Generated Node #0,1: 36:[28, 24, 32] Operation: 94-62=32 Moving to Node #0,1 Current State: 36:[28, 24, 32], Operations: ['94-62=32'] Exploring Operation: 28-24=4, Resulting Numbers: [32, 4] Generated Node #0,1,0: 36:[32, 4] Operation: 28-24=4 Exploring Operation: 32-28=4, Resulting Numbers: [24, 4] Generated Node #0,1,1: 36:[24, 4] Operation: 32-28=4 Moving to Node #0,0 Current State: 36:[62, 24, 66], Operations: ['94-28=66'] Exploring Operation: 66-62=4, Resulting Numbers: [24, 4] Generated Node #0,0,0: 36:[24, 4] Operation: 66-62=4 Exploring Operation: 62-24=38, Resulting Numbers: [66, 38] Generated Node #0,0,1: 36:[66, 38] Operation: 62-24=38 Moving to Node #0,1,0 Current State: 36:[32, 4], Operations: ['94-62=32', '28-24=4'] Exploring Operation: 32+4=36, Resulting Numbers: [36] 36,36 equal: Goal Reached Moving to Node #0 Current State: 36:[28, 62, 24, 94], Operations: [] Exploring Operation: 94-62=32, Resulting Numbers: [28, 24, 32] Generated Node #0,1: 36:[28, 24, 32] Operation: 94-62=32 Moving to Node #0,1 Current State: 36:[28, 24, 32], Operations: ['94-62=32'] Exploring Operation: 28-24=4, Resulting Numbers: [32, 4] Generated Node #0,1,0: 36:[32, 4] Operation: 28-24=4 Moving to Node #0,1,0 Current State: 36:[32, 4], Operations: ['94-62=32', '28-24=4'] Exploring Operation: 32+4=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
0.990451
hs_2
sum_heuristic
[ 35, 71, 95, 73 ]
84
[ "35+71=106", "95-73=22", "106-22=84" ]
Current State: 84:[35, 71, 95, 73], Operations: [] Exploring Operation: 35+71=106, Resulting Numbers: [95, 73, 106] Generated Node #2: [95, 73, 106] from Operation: 35+71=106 Current State: 84:[95, 73, 106], Operations: ['35+71=106'] Exploring Operation: 95-73=22, Resulting Numbers: [106, 22] Generated Node #3: [106, 22] from Operation: 95-73=22 Current State: 84:[106, 22], Operations: ['35+71=106', '95-73=22'] Exploring Operation: 106-22=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
4
Current State: 84:[35, 71, 95, 73], Operations: [] Exploring Operation: 73-71=2, Resulting Numbers: [35, 95, 2] Generated Node #0,0: 84:[35, 95, 2] Operation: 73-71=2 Exploring Operation: 95-71=24, Resulting Numbers: [35, 73, 24] Generated Node #0,1: 84:[35, 73, 24] Operation: 95-71=24 Moving to Node #0,0 Current State: 84:[35, 95, 2], Operations: ['73-71=2'] Exploring Operation: 35+2=37, Resulting Numbers: [95, 37] Generated Node #0,0,0: 84:[95, 37] Operation: 35+2=37 Exploring Operation: 35-2=33, Resulting Numbers: [95, 33] Generated Node #0,0,1: 84:[95, 33] Operation: 35-2=33 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 84:[95, 37], Operations: ['73-71=2', '35+2=37'] Exploring Operation: 95+37=132, Resulting Numbers: [132] 132,84 unequal: No Solution Exploring Operation: 95-37=58, Resulting Numbers: [58] 58,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 84:[95, 33], Operations: ['73-71=2', '35-2=33'] Exploring Operation: 95-33=62, Resulting Numbers: [62] 62,84 unequal: No Solution Exploring Operation: 95+33=128, Resulting Numbers: [128] 128,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 84:[35, 73, 24], Operations: ['95-71=24'] Exploring Operation: 35-24=11, Resulting Numbers: [73, 11] Generated Node #0,1,0: 84:[73, 11] Operation: 35-24=11 Exploring Operation: 73-35=38, Resulting Numbers: [24, 38] Generated Node #0,1,1: 84:[24, 38] Operation: 73-35=38 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 84:[24, 38], Operations: ['95-71=24', '73-35=38'] Exploring Operation: 38-24=14, Resulting Numbers: [14] 14,84 unequal: No Solution Exploring Operation: 24+38=62, Resulting Numbers: [62] 62,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 84:[73, 11], Operations: ['95-71=24', '35-24=11'] Exploring Operation: 73+11=84, Resulting Numbers: [84] 84,84 equal: Goal Reached Moving to Node #0 Current State: 84:[35, 71, 95, 73], Operations: [] Exploring Operation: 95-71=24, Resulting Numbers: [35, 73, 24] Generated Node #0,1: 84:[35, 73, 24] Operation: 95-71=24 Moving to Node #0,1 Current State: 84:[35, 73, 24], Operations: ['95-71=24'] Exploring Operation: 35-24=11, Resulting Numbers: [73, 11] Generated Node #0,1,0: 84:[73, 11] Operation: 35-24=11 Moving to Node #0,1,0 Current State: 84:[73, 11], Operations: ['95-71=24', '35-24=11'] Exploring Operation: 73+11=84, Resulting Numbers: [84] 84,84 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_2
mult_heuristic
[ 24, 72, 18, 76 ]
46
[ "72-24=48", "18+76=94", "94-48=46" ]
Current State: 46:[24, 72, 18, 76], Operations: [] Exploring Operation: 72-24=48, Resulting Numbers: [18, 76, 48] Generated Node #2: [18, 76, 48] from Operation: 72-24=48 Current State: 46:[18, 76, 48], Operations: ['72-24=48'] Exploring Operation: 18+76=94, Resulting Numbers: [48, 94] Generated Node #3: [48, 94] from Operation: 18+76=94 Current State: 46:[48, 94], Operations: ['72-24=48', '18+76=94'] Exploring Operation: 94-48=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
4
Current State: 46:[24, 72, 18, 76], Operations: [] Exploring Operation: 76-72=4, Resulting Numbers: [24, 18, 4] Generated Node #0,0: 46:[24, 18, 4] Operation: 76-72=4 Moving to Node #0,0 Current State: 46:[24, 18, 4], Operations: ['76-72=4'] Exploring Operation: 18+4=22, Resulting Numbers: [24, 22] Generated Node #0,0,0: 46:[24, 22] Operation: 18+4=22 Moving to Node #0,0,0 Current State: 46:[24, 22], Operations: ['76-72=4', '18+4=22'] Exploring Operation: 24+22=46, Resulting Numbers: [46] 46,46 equal: Goal Reached Moving to Node #0 Current State: 46:[24, 72, 18, 76], Operations: [] Exploring Operation: 76-72=4, Resulting Numbers: [24, 18, 4] Generated Node #0,0: 46:[24, 18, 4] Operation: 76-72=4 Moving to Node #0,0 Current State: 46:[24, 18, 4], Operations: ['76-72=4'] Exploring Operation: 18+4=22, Resulting Numbers: [24, 22] Generated Node #0,0,0: 46:[24, 22] Operation: 18+4=22 Moving to Node #0,0,0 Current State: 46:[24, 22], Operations: ['76-72=4', '18+4=22'] Exploring Operation: 24+22=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
0.993924
hs_1
mult_heuristic
[ 93, 84, 74, 80 ]
76
[ "93-74=19", "84-80=4", "19*4=76" ]
Current State: 76:[93, 84, 74, 80], Operations: [] Exploring Operation: 93-74=19, Resulting Numbers: [84, 80, 19] Generated Node #2: [84, 80, 19] from Operation: 93-74=19 Current State: 76:[84, 80, 19], Operations: ['93-74=19'] Exploring Operation: 84-80=4, Resulting Numbers: [19, 4] Generated Node #3: [19, 4] from Operation: 84-80=4 Current State: 76:[19, 4], Operations: ['93-74=19', '84-80=4'] Exploring Operation: 19*4=76, Resulting Numbers: [76] 76,76 equal: Goal Reached
4
Current State: 76:[93, 84, 74, 80], Operations: [] Exploring Operation: 93-84=9, Resulting Numbers: [74, 80, 9] Generated Node #0,0: 76:[74, 80, 9] Operation: 93-84=9 Exploring Operation: 93-80=13, Resulting Numbers: [84, 74, 13] Generated Node #0,1: 76:[84, 74, 13] Operation: 93-80=13 Exploring Operation: 93-74=19, Resulting Numbers: [84, 80, 19] Generated Node #0,2: 76:[84, 80, 19] Operation: 93-74=19 Exploring Operation: 84-80=4, Resulting Numbers: [93, 74, 4] Generated Node #0,3: 76:[93, 74, 4] Operation: 84-80=4 Start Sub Search at level 1: Moving to Node #0,0 Current State: 76:[74, 80, 9], Operations: ['93-84=9'] Exploring Operation: 74-9=65, Resulting Numbers: [80, 65] Generated Node #0,0,0: 76:[80, 65] Operation: 74-9=65 Exploring Operation: 80-9=71, Resulting Numbers: [74, 71] Generated Node #0,0,1: 76:[74, 71] Operation: 80-9=71 Exploring Operation: 74+9=83, Resulting Numbers: [80, 83] Generated Node #0,0,2: 76:[80, 83] Operation: 74+9=83 Exploring Operation: 80-74=6, Resulting Numbers: [9, 6] Generated Node #0,0,3: 76:[9, 6] Operation: 80-74=6 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 76:[74, 71], Operations: ['93-84=9', '80-9=71'] Exploring Operation: 74+71=145, Resulting Numbers: [145] 145,76 unequal: No Solution Exploring Operation: 74*71=5254, Resulting Numbers: [5254] 5254,76 unequal: No Solution Exploring Operation: 74-71=3, Resulting Numbers: [3] 3,76 unequal: No Solution No 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: 76:[9, 6], Operations: ['93-84=9', '80-74=6'] Exploring Operation: 9*6=54, Resulting Numbers: [54] 54,76 unequal: No Solution Exploring Operation: 9-6=3, Resulting Numbers: [3] 3,76 unequal: No Solution Exploring Operation: 9+6=15, Resulting Numbers: [15] 15,76 unequal: No Solution No 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: 76:[80, 83], Operations: ['93-84=9', '74+9=83'] Exploring Operation: 83-80=3, Resulting Numbers: [3] 3,76 unequal: No Solution Exploring Operation: 80+83=163, Resulting Numbers: [163] 163,76 unequal: No Solution Exploring Operation: 80*83=6640, Resulting Numbers: [6640] 6640,76 unequal: No Solution No 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: 76:[80, 65], Operations: ['93-84=9', '74-9=65'] Exploring Operation: 80-65=15, Resulting Numbers: [15] 15,76 unequal: No Solution Exploring Operation: 80+65=145, Resulting Numbers: [145] 145,76 unequal: No Solution Exploring Operation: 80*65=5200, Resulting Numbers: [5200] 5200,76 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: 76:[84, 80, 19], Operations: ['93-74=19'] Exploring Operation: 84-19=65, Resulting Numbers: [80, 65] Generated Node #0,2,0: 76:[80, 65] Operation: 84-19=65 Exploring Operation: 84-80=4, Resulting Numbers: [19, 4] Generated Node #0,2,1: 76:[19, 4] Operation: 84-80=4 Exploring Operation: 84+19=103, Resulting Numbers: [80, 103] Generated Node #0,2,2: 76:[80, 103] Operation: 84+19=103 Exploring Operation: 80-19=61, Resulting Numbers: [84, 61] Generated Node #0,2,3: 76:[84, 61] Operation: 80-19=61 Moving to Node #0,2,1 Current State: 76:[19, 4], Operations: ['93-74=19', '84-80=4'] Exploring Operation: 19+4=23, Resulting Numbers: [23] 23,76 unequal: No Solution Exploring Operation: 19*4=76, Resulting Numbers: [76] 76,76 equal: Goal Reached Moving to Node #0 Current State: 76:[93, 84, 74, 80], Operations: [] Exploring Operation: 93-74=19, Resulting Numbers: [84, 80, 19] Generated Node #0,2: 76:[84, 80, 19] Operation: 93-74=19 Moving to Node #0,2 Current State: 76:[84, 80, 19], Operations: ['93-74=19'] Exploring Operation: 84-80=4, Resulting Numbers: [19, 4] Generated Node #0,2,1: 76:[19, 4] Operation: 84-80=4 Moving to Node #0,2,1 Current State: 76:[19, 4], Operations: ['93-74=19', '84-80=4'] Exploring Operation: 19*4=76, Resulting Numbers: [76] 76,76 equal: Goal Reached Exit Sub Search at level 1
0.973958
hs_4
mult_heuristic
[ 33, 88, 14, 58 ]
66
[ "33*88=2904", "58-14=44", "2904/44=66" ]
Current State: 66:[33, 88, 14, 58], Operations: [] Exploring Operation: 33*88=2904, Resulting Numbers: [14, 58, 2904] Generated Node #2: [14, 58, 2904] from Operation: 33*88=2904 Current State: 66:[14, 58, 2904], Operations: ['33*88=2904'] Exploring Operation: 58-14=44, Resulting Numbers: [2904, 44] Generated Node #3: [2904, 44] from Operation: 58-14=44 Current State: 66:[2904, 44], Operations: ['33*88=2904', '58-14=44'] Exploring Operation: 2904/44=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
4
Current State: 66:[33, 88, 14, 58], Operations: [] Exploring Operation: 58-33=25, Resulting Numbers: [88, 14, 25] Generated Node #0,0: 66:[88, 14, 25] Operation: 58-33=25 Exploring Operation: 88-33=55, Resulting Numbers: [14, 58, 55] Generated Node #0,1: 66:[14, 58, 55] Operation: 88-33=55 Exploring Operation: 88-58=30, Resulting Numbers: [33, 14, 30] Generated Node #0,2: 66:[33, 14, 30] Operation: 88-58=30 Exploring Operation: 88-14=74, Resulting Numbers: [33, 58, 74] Generated Node #0,3: 66:[33, 58, 74] Operation: 88-14=74 Moving to Node #0,2 Current State: 66:[33, 14, 30], Operations: ['88-58=30'] Exploring Operation: 33-14=19, Resulting Numbers: [30, 19] Generated Node #0,2,0: 66:[30, 19] Operation: 33-14=19 Exploring Operation: 33-30=3, Resulting Numbers: [14, 3] Generated Node #0,2,1: 66:[14, 3] Operation: 33-30=3 Exploring Operation: 33+30=63, Resulting Numbers: [14, 63] Generated Node #0,2,2: 66:[14, 63] Operation: 33+30=63 Exploring Operation: 30-14=16, Resulting Numbers: [33, 16] Generated Node #0,2,3: 66:[33, 16] Operation: 30-14=16 Moving to Node #0,3 Current State: 66:[33, 58, 74], Operations: ['88-14=74'] Exploring Operation: 74-58=16, Resulting Numbers: [33, 16] Generated Node #0,3,0: 66:[33, 16] Operation: 74-58=16 Exploring Operation: 33+58=91, Resulting Numbers: [74, 91] Generated Node #0,3,1: 66:[74, 91] Operation: 33+58=91 Exploring Operation: 74-33=41, Resulting Numbers: [58, 41] Generated Node #0,3,2: 66:[58, 41] Operation: 74-33=41 Exploring Operation: 58-33=25, Resulting Numbers: [74, 25] Generated Node #0,3,3: 66:[74, 25] Operation: 58-33=25 Moving to Node #0,1 Current State: 66:[14, 58, 55], Operations: ['88-33=55'] Exploring Operation: 14+58=72, Resulting Numbers: [55, 72] Generated Node #0,1,0: 66:[55, 72] Operation: 14+58=72 Exploring Operation: 14+55=69, Resulting Numbers: [58, 69] Generated Node #0,1,1: 66:[58, 69] Operation: 14+55=69 Exploring Operation: 58-55=3, Resulting Numbers: [14, 3] Generated Node #0,1,2: 66:[14, 3] Operation: 58-55=3 Exploring Operation: 55-14=41, Resulting Numbers: [58, 41] Generated Node #0,1,3: 66:[58, 41] Operation: 55-14=41 Moving to Node #0,0 Current State: 66:[88, 14, 25], Operations: ['58-33=25'] Exploring Operation: 25-14=11, Resulting Numbers: [88, 11] Generated Node #0,0,0: 66:[88, 11] Operation: 25-14=11 Exploring Operation: 14+25=39, Resulting Numbers: [88, 39] Generated Node #0,0,1: 66:[88, 39] Operation: 14+25=39 Exploring Operation: 88-14=74, Resulting Numbers: [25, 74] Generated Node #0,0,2: 66:[25, 74] Operation: 88-14=74 Exploring Operation: 88-25=63, Resulting Numbers: [14, 63] Generated Node #0,0,3: 66:[14, 63] Operation: 88-25=63 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 66:[14, 63], Operations: ['58-33=25', '88-25=63'] Exploring Operation: 63-14=49, Resulting Numbers: [49] 49,66 unequal: No Solution Exploring Operation: 14+63=77, Resulting Numbers: [77] 77,66 unequal: No Solution Exploring Operation: 14*63=882, Resulting Numbers: [882] 882,66 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 #0,0,2 Current State: 66:[25, 74], Operations: ['58-33=25', '88-14=74'] Exploring Operation: 25*74=1850, Resulting Numbers: [1850] 1850,66 unequal: No Solution Exploring Operation: 74-25=49, Resulting Numbers: [49] 49,66 unequal: No Solution Exploring Operation: 25+74=99, Resulting Numbers: [99] 99,66 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 66:[88, 11], Operations: ['58-33=25', '25-14=11'] Exploring Operation: 88+11=99, Resulting Numbers: [99] 99,66 unequal: No Solution Exploring Operation: 88-11=77, Resulting Numbers: [77] 77,66 unequal: No Solution Exploring Operation: 88*11=968, Resulting Numbers: [968] 968,66 unequal: No Solution Exploring Operation: 88/11=8, Resulting Numbers: [8] 8,66 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:[88, 39], Operations: ['58-33=25', '14+25=39'] Exploring Operation: 88*39=3432, Resulting Numbers: [3432] 3432,66 unequal: No Solution Exploring Operation: 88+39=127, Resulting Numbers: [127] 127,66 unequal: No Solution Exploring Operation: 88-39=49, Resulting Numbers: [49] 49,66 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: 66:[14, 3], Operations: ['88-58=30', '33-30=3'] Exploring Operation: 14+3=17, Resulting Numbers: [17] 17,66 unequal: No Solution Exploring Operation: 14-3=11, Resulting Numbers: [11] 11,66 unequal: No Solution Exploring Operation: 14*3=42, Resulting Numbers: [42] 42,66 unequal: No Solution Moving to Node #0,1,2 Current State: 66:[14, 3], Operations: ['88-33=55', '58-55=3'] Exploring Operation: 14-3=11, Resulting Numbers: [11] 11,66 unequal: No Solution Exploring Operation: 14+3=17, Resulting Numbers: [17] 17,66 unequal: No Solution Exploring Operation: 14*3=42, Resulting Numbers: [42] 42,66 unequal: No Solution Moving to Node #0,3,0 Current State: 66:[33, 16], Operations: ['88-14=74', '74-58=16'] Exploring Operation: 33+16=49, Resulting Numbers: [49] 49,66 unequal: No Solution Exploring Operation: 33-16=17, Resulting Numbers: [17] 17,66 unequal: No Solution Exploring Operation: 33*16=528, Resulting Numbers: [528] 528,66 unequal: No Solution Moving to Node #0,2,3 Current State: 66:[33, 16], Operations: ['88-58=30', '30-14=16'] Exploring Operation: 33-16=17, Resulting Numbers: [17] 17,66 unequal: No Solution Exploring Operation: 33*16=528, Resulting Numbers: [528] 528,66 unequal: No Solution Exploring Operation: 33+16=49, Resulting Numbers: [49] 49,66 unequal: No Solution Moving to Node #0,2,0 Current State: 66:[30, 19], Operations: ['88-58=30', '33-14=19'] Exploring Operation: 30*19=570, Resulting Numbers: [570] 570,66 unequal: No Solution Exploring Operation: 30-19=11, Resulting Numbers: [11] 11,66 unequal: No Solution Exploring Operation: 30+19=49, Resulting Numbers: [49] 49,66 unequal: No Solution Moving to Node #0,2,2 Current State: 66:[14, 63], Operations: ['88-58=30', '33+30=63'] Exploring Operation: 63-14=49, Resulting Numbers: [49] 49,66 unequal: No Solution Exploring Operation: 14+63=77, Resulting Numbers: [77] 77,66 unequal: No Solution Exploring Operation: 14*63=882, Resulting Numbers: [882] 882,66 unequal: No Solution Moving to Node #0,3,3 Current State: 66:[74, 25], Operations: ['88-14=74', '58-33=25'] Exploring Operation: 74+25=99, Resulting Numbers: [99] 99,66 unequal: No Solution Exploring Operation: 74-25=49, Resulting Numbers: [49] 49,66 unequal: No Solution Exploring Operation: 74*25=1850, Resulting Numbers: [1850] 1850,66 unequal: No Solution Moving to Node #0,1,1 Current State: 66:[58, 69], Operations: ['88-33=55', '14+55=69'] Exploring Operation: 69-58=11, Resulting Numbers: [11] 11,66 unequal: No Solution Exploring Operation: 58*69=4002, Resulting Numbers: [4002] 4002,66 unequal: No Solution Exploring Operation: 58+69=127, Resulting Numbers: [127] 127,66 unequal: No Solution Moving to Node #0,3,2 Current State: 66:[58, 41], Operations: ['88-14=74', '74-33=41'] Exploring Operation: 58*41=2378, Resulting Numbers: [2378] 2378,66 unequal: No Solution Exploring Operation: 58-41=17, Resulting Numbers: [17] 17,66 unequal: No Solution Exploring Operation: 58+41=99, Resulting Numbers: [99] 99,66 unequal: No Solution Moving to Node #0,1,3 Current State: 66:[58, 41], Operations: ['88-33=55', '55-14=41'] Exploring Operation: 58+41=99, Resulting Numbers: [99] 99,66 unequal: No Solution Exploring Operation: 58-41=17, Resulting Numbers: [17] 17,66 unequal: No Solution Exploring Operation: 58*41=2378, Resulting Numbers: [2378] 2378,66 unequal: No Solution Moving to Node #0,1,0 Current State: 66:[55, 72], Operations: ['88-33=55', '14+58=72'] Exploring Operation: 72-55=17, Resulting Numbers: [17] 17,66 unequal: No Solution Exploring Operation: 55*72=3960, Resulting Numbers: [3960] 3960,66 unequal: No Solution Exploring Operation: 55+72=127, Resulting Numbers: [127] 127,66 unequal: No Solution Moving to Node #0,3,1 Current State: 66:[74, 91], Operations: ['88-14=74', '33+58=91'] Exploring Operation: 74*91=6734, Resulting Numbers: [6734] 6734,66 unequal: No Solution Exploring Operation: 74+91=165, Resulting Numbers: [165] 165,66 unequal: No Solution Exploring Operation: 91-74=17, Resulting Numbers: [17] 17,66 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 53, 11, 67, 81 ]
78
[ "53+11=64", "81-67=14", "64+14=78" ]
Current State: 78:[53, 11, 67, 81], Operations: [] Exploring Operation: 53+11=64, Resulting Numbers: [67, 81, 64] Generated Node #2: [67, 81, 64] from Operation: 53+11=64 Current State: 78:[67, 81, 64], Operations: ['53+11=64'] Exploring Operation: 81-67=14, Resulting Numbers: [64, 14] Generated Node #3: [64, 14] from Operation: 81-67=14 Current State: 78:[64, 14], Operations: ['53+11=64', '81-67=14'] Exploring Operation: 64+14=78, Resulting Numbers: [78] 78,78 equal: Goal Reached
4
Current State: 78:[53, 11, 67, 81], Operations: [] Exploring Operation: 67-53=14, Resulting Numbers: [11, 81, 14] Generated Node #0,0: 78:[11, 81, 14] Operation: 67-53=14 Exploring Operation: 81-53=28, Resulting Numbers: [11, 67, 28] Generated Node #0,1: 78:[11, 67, 28] Operation: 81-53=28 Exploring Operation: 53-11=42, Resulting Numbers: [67, 81, 42] Generated Node #0,2: 78:[67, 81, 42] Operation: 53-11=42 Moving to Node #0,0 Current State: 78:[11, 81, 14], Operations: ['67-53=14'] Exploring Operation: 14-11=3, Resulting Numbers: [81, 3] Generated Node #0,0,0: 78:[81, 3] Operation: 14-11=3 Exploring Operation: 81-11=70, Resulting Numbers: [14, 70] Generated Node #0,0,1: 78:[14, 70] Operation: 81-11=70 Exploring Operation: 11+14=25, Resulting Numbers: [81, 25] Generated Node #0,0,2: 78:[81, 25] Operation: 11+14=25 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 78:[81, 3], Operations: ['67-53=14', '14-11=3'] Exploring Operation: 81+3=84, Resulting Numbers: [84] 84,78 unequal: No Solution Exploring Operation: 81-3=78, Resulting Numbers: [78] 78,78 equal: Goal Reached Moving to Node #0 Current State: 78:[53, 11, 67, 81], Operations: [] Exploring Operation: 67-53=14, Resulting Numbers: [11, 81, 14] Generated Node #0,0: 78:[11, 81, 14] Operation: 67-53=14 Moving to Node #0,0 Current State: 78:[11, 81, 14], Operations: ['67-53=14'] Exploring Operation: 14-11=3, Resulting Numbers: [81, 3] Generated Node #0,0,0: 78:[81, 3] Operation: 14-11=3 Moving to Node #0,0,0 Current State: 78:[81, 3], Operations: ['67-53=14', '14-11=3'] Exploring Operation: 81-3=78, Resulting Numbers: [78] 78,78 equal: Goal Reached Exit Sub Search at level 1
0.989583
hs_3
sum_heuristic
[ 95, 50, 27, 97 ]
52
[ "97-95=2", "50/2=25", "27+25=52" ]
Current State: 52:[95, 50, 27, 97], Operations: [] Exploring Operation: 97-95=2, Resulting Numbers: [50, 27, 2] Generated Node #2: [50, 27, 2] from Operation: 97-95=2 Current State: 52:[50, 27, 2], Operations: ['97-95=2'] Exploring Operation: 50/2=25, Resulting Numbers: [27, 25] Generated Node #3: [27, 25] from Operation: 50/2=25 Current State: 52:[27, 25], Operations: ['97-95=2', '50/2=25'] Exploring Operation: 27+25=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[95, 50, 27, 97], Operations: [] Exploring Operation: 97-50=47, Resulting Numbers: [95, 27, 47] Generated Node #0,0: 52:[95, 27, 47] Operation: 97-50=47 Exploring Operation: 97-95=2, Resulting Numbers: [50, 27, 2] Generated Node #0,1: 52:[50, 27, 2] Operation: 97-95=2 Exploring Operation: 95-50=45, Resulting Numbers: [27, 97, 45] Generated Node #0,2: 52:[27, 97, 45] Operation: 95-50=45 Exploring Operation: 95-27=68, Resulting Numbers: [50, 97, 68] Generated Node #0,3: 52:[50, 97, 68] Operation: 95-27=68 Start Sub Search at level 1: Moving to Node #0,1 Current State: 52:[50, 27, 2], Operations: ['97-95=2'] Exploring Operation: 50+2=52, Resulting Numbers: [27, 52] Generated Node #0,1,0: 52:[27, 52] Operation: 50+2=52 Exploring Operation: 27-2=25, Resulting Numbers: [50, 25] Generated Node #0,1,1: 52:[50, 25] Operation: 27-2=25 Exploring Operation: 50/2=25, Resulting Numbers: [27, 25] Generated Node #0,1,2: 52:[27, 25] Operation: 50/2=25 Exploring Operation: 50-27=23, Resulting Numbers: [2, 23] Generated Node #0,1,3: 52:[2, 23] Operation: 50-27=23 Moving to Node #0,1,0 Current State: 52:[27, 52], Operations: ['97-95=2', '50+2=52'] Exploring Operation: 27*52=1404, Resulting Numbers: [1404] 1404,52 unequal: No Solution Exploring Operation: 27+52=79, Resulting Numbers: [79] 79,52 unequal: No Solution Exploring Operation: 52-27=25, Resulting Numbers: [25] 25,52 unequal: No Solution Moving to Node #0,1,2 Current State: 52:[27, 25], Operations: ['97-95=2', '50/2=25'] Exploring Operation: 27+25=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Moving to Node #0 Current State: 52:[95, 50, 27, 97], Operations: [] Exploring Operation: 97-95=2, Resulting Numbers: [50, 27, 2] Generated Node #0,1: 52:[50, 27, 2] Operation: 97-95=2 Moving to Node #0,1 Current State: 52:[50, 27, 2], Operations: ['97-95=2'] Exploring Operation: 50/2=25, Resulting Numbers: [27, 25] Generated Node #0,1,2: 52:[27, 25] Operation: 50/2=25 Moving to Node #0,1,2 Current State: 52:[27, 25], Operations: ['97-95=2', '50/2=25'] Exploring Operation: 27+25=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_4
mult_heuristic
[ 96, 81, 69, 73 ]
57
[ "81-73=8", "96/8=12", "69-12=57" ]
Current State: 57:[96, 81, 69, 73], Operations: [] Exploring Operation: 81-73=8, Resulting Numbers: [96, 69, 8] Generated Node #2: [96, 69, 8] from Operation: 81-73=8 Current State: 57:[96, 69, 8], Operations: ['81-73=8'] Exploring Operation: 96/8=12, Resulting Numbers: [69, 12] Generated Node #3: [69, 12] from Operation: 96/8=12 Current State: 57:[69, 12], Operations: ['81-73=8', '96/8=12'] Exploring Operation: 69-12=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
4
Current State: 57:[96, 81, 69, 73], Operations: [] Exploring Operation: 81-69=12, Resulting Numbers: [96, 73, 12] Generated Node #0,0: 57:[96, 73, 12] Operation: 81-69=12 Exploring Operation: 96-69=27, Resulting Numbers: [81, 73, 27] Generated Node #0,1: 57:[81, 73, 27] Operation: 96-69=27 Exploring Operation: 96-73=23, Resulting Numbers: [81, 69, 23] Generated Node #0,2: 57:[81, 69, 23] Operation: 96-73=23 Exploring Operation: 81-73=8, Resulting Numbers: [96, 69, 8] Generated Node #0,3: 57:[96, 69, 8] Operation: 81-73=8 Exploring Operation: 96-81=15, Resulting Numbers: [69, 73, 15] Generated Node #0,4: 57:[69, 73, 15] Operation: 96-81=15 Start Sub Search at level 1: Moving to Node #0,4 Current State: 57:[69, 73, 15], Operations: ['96-81=15'] Exploring Operation: 73+15=88, Resulting Numbers: [69, 88] Generated Node #0,4,0: 57:[69, 88] Operation: 73+15=88 Exploring Operation: 73-69=4, Resulting Numbers: [15, 4] Generated Node #0,4,1: 57:[15, 4] Operation: 73-69=4 Exploring Operation: 73-15=58, Resulting Numbers: [69, 58] Generated Node #0,4,2: 57:[69, 58] Operation: 73-15=58 Exploring Operation: 69-15=54, Resulting Numbers: [73, 54] Generated Node #0,4,3: 57:[73, 54] Operation: 69-15=54 Exploring Operation: 69+15=84, Resulting Numbers: [73, 84] Generated Node #0,4,4: 57:[73, 84] Operation: 69+15=84 Moving to Node #0,4,1 Current State: 57:[15, 4], Operations: ['96-81=15', '73-69=4'] Exploring Operation: 15+4=19, Resulting Numbers: [19] 19,57 unequal: No Solution Exploring Operation: 15-4=11, Resulting Numbers: [11] 11,57 unequal: No Solution Exploring Operation: 15*4=60, Resulting Numbers: [60] 60,57 unequal: No Solution Moving to Node #0,4,2 Current State: 57:[69, 58], Operations: ['96-81=15', '73-15=58'] Exploring Operation: 69-58=11, Resulting Numbers: [11] 11,57 unequal: No Solution Exploring Operation: 69*58=4002, Resulting Numbers: [4002] 4002,57 unequal: No Solution Exploring Operation: 69+58=127, Resulting Numbers: [127] 127,57 unequal: No Solution Moving to Node #0,4,3 Current State: 57:[73, 54], Operations: ['96-81=15', '69-15=54'] Exploring Operation: 73-54=19, Resulting Numbers: [19] 19,57 unequal: No Solution Exploring Operation: 73+54=127, Resulting Numbers: [127] 127,57 unequal: No Solution Exploring Operation: 73*54=3942, Resulting Numbers: [3942] 3942,57 unequal: No Solution Moving to Node #0,4,0 Current State: 57:[69, 88], Operations: ['96-81=15', '73+15=88'] Exploring Operation: 88-69=19, Resulting Numbers: [19] 19,57 unequal: No Solution Exploring Operation: 69+88=157, Resulting Numbers: [157] 157,57 unequal: No Solution Exploring Operation: 69*88=6072, Resulting Numbers: [6072] 6072,57 unequal: No Solution Moving to Node #0,4,4 Current State: 57:[73, 84], Operations: ['96-81=15', '69+15=84'] Exploring Operation: 73+84=157, Resulting Numbers: [157] 157,57 unequal: No Solution Exploring Operation: 84-73=11, Resulting Numbers: [11] 11,57 unequal: No Solution Exploring Operation: 73*84=6132, Resulting Numbers: [6132] 6132,57 unequal: No Solution No 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: 57:[81, 69, 23], Operations: ['96-73=23'] Exploring Operation: 69-23=46, Resulting Numbers: [81, 46] Generated Node #0,2,0: 57:[81, 46] Operation: 69-23=46 Exploring Operation: 81+23=104, Resulting Numbers: [69, 104] Generated Node #0,2,1: 57:[69, 104] Operation: 81+23=104 Exploring Operation: 69/23=3, Resulting Numbers: [81, 3] Generated Node #0,2,2: 57:[81, 3] Operation: 69/23=3 Exploring Operation: 81-23=58, Resulting Numbers: [69, 58] Generated Node #0,2,3: 57:[69, 58] Operation: 81-23=58 Exploring Operation: 81-69=12, Resulting Numbers: [23, 12] Generated Node #0,2,4: 57:[23, 12] Operation: 81-69=12 Moving to Node #0,2,4 Current State: 57:[23, 12], Operations: ['96-73=23', '81-69=12'] Exploring Operation: 23+12=35, Resulting Numbers: [35] 35,57 unequal: No Solution Exploring Operation: 23*12=276, Resulting Numbers: [276] 276,57 unequal: No Solution Exploring Operation: 23-12=11, Resulting Numbers: [11] 11,57 unequal: No Solution Moving to Node #0,2,3 Current State: 57:[69, 58], Operations: ['96-73=23', '81-23=58'] Exploring Operation: 69+58=127, Resulting Numbers: [127] 127,57 unequal: No Solution Exploring Operation: 69*58=4002, Resulting Numbers: [4002] 4002,57 unequal: No Solution Exploring Operation: 69-58=11, Resulting Numbers: [11] 11,57 unequal: No Solution Moving to Node #0,2,2 Current State: 57:[81, 3], Operations: ['96-73=23', '69/23=3'] Exploring Operation: 81-3=78, Resulting Numbers: [78] 78,57 unequal: No Solution Exploring Operation: 81/3=27, Resulting Numbers: [27] 27,57 unequal: No Solution Exploring Operation: 81+3=84, Resulting Numbers: [84] 84,57 unequal: No Solution Exploring Operation: 81*3=243, Resulting Numbers: [243] 243,57 unequal: No Solution Moving to Node #0,2,0 Current State: 57:[81, 46], Operations: ['96-73=23', '69-23=46'] Exploring Operation: 81-46=35, Resulting Numbers: [35] 35,57 unequal: No Solution Exploring Operation: 81*46=3726, Resulting Numbers: [3726] 3726,57 unequal: No Solution Exploring Operation: 81+46=127, Resulting Numbers: [127] 127,57 unequal: No Solution Moving to Node #0,2,1 Current State: 57:[69, 104], Operations: ['96-73=23', '81+23=104'] Exploring Operation: 69*104=7176, Resulting Numbers: [7176] 7176,57 unequal: No Solution Exploring Operation: 104-69=35, Resulting Numbers: [35] 35,57 unequal: No Solution Exploring Operation: 69+104=173, Resulting Numbers: [173] 173,57 unequal: No Solution No 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: 57:[81, 73, 27], Operations: ['96-69=27'] Exploring Operation: 81+27=108, Resulting Numbers: [73, 108] Generated Node #0,1,0: 57:[73, 108] Operation: 81+27=108 Exploring Operation: 81-27=54, Resulting Numbers: [73, 54] Generated Node #0,1,1: 57:[73, 54] Operation: 81-27=54 Exploring Operation: 81-73=8, Resulting Numbers: [27, 8] Generated Node #0,1,2: 57:[27, 8] Operation: 81-73=8 Exploring Operation: 81/27=3, Resulting Numbers: [73, 3] Generated Node #0,1,3: 57:[73, 3] Operation: 81/27=3 Exploring Operation: 73-27=46, Resulting Numbers: [81, 46] Generated Node #0,1,4: 57:[81, 46] Operation: 73-27=46 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 57:[27, 8], Operations: ['96-69=27', '81-73=8'] Exploring Operation: 27+8=35, Resulting Numbers: [35] 35,57 unequal: No Solution Exploring Operation: 27-8=19, Resulting Numbers: [19] 19,57 unequal: No Solution Exploring Operation: 27*8=216, Resulting Numbers: [216] 216,57 unequal: No Solution No 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: 57:[73, 3], Operations: ['96-69=27', '81/27=3'] Exploring Operation: 73-3=70, Resulting Numbers: [70] 70,57 unequal: No Solution Exploring Operation: 73+3=76, Resulting Numbers: [76] 76,57 unequal: No Solution Exploring Operation: 73*3=219, Resulting Numbers: [219] 219,57 unequal: No Solution No 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: 57:[73, 54], Operations: ['96-69=27', '81-27=54'] Exploring Operation: 73+54=127, Resulting Numbers: [127] 127,57 unequal: No Solution Exploring Operation: 73-54=19, Resulting Numbers: [19] 19,57 unequal: No Solution Exploring Operation: 73*54=3942, Resulting Numbers: [3942] 3942,57 unequal: No Solution No 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: 57:[81, 46], Operations: ['96-69=27', '73-27=46'] Exploring Operation: 81+46=127, Resulting Numbers: [127] 127,57 unequal: No Solution Exploring Operation: 81-46=35, Resulting Numbers: [35] 35,57 unequal: No Solution Exploring Operation: 81*46=3726, Resulting Numbers: [3726] 3726,57 unequal: No Solution No 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: 57:[73, 108], Operations: ['96-69=27', '81+27=108'] Exploring Operation: 108-73=35, Resulting Numbers: [35] 35,57 unequal: No Solution Exploring Operation: 73*108=7884, Resulting Numbers: [7884] 7884,57 unequal: No Solution Exploring Operation: 73+108=181, Resulting Numbers: [181] 181,57 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: 57:[96, 69, 8], Operations: ['81-73=8'] Exploring Operation: 69-8=61, Resulting Numbers: [96, 61] Generated Node #0,3,0: 57:[96, 61] Operation: 69-8=61 Exploring Operation: 96-8=88, Resulting Numbers: [69, 88] Generated Node #0,3,1: 57:[69, 88] Operation: 96-8=88 Exploring Operation: 96-69=27, Resulting Numbers: [8, 27] Generated Node #0,3,2: 57:[8, 27] Operation: 96-69=27 Exploring Operation: 96+8=104, Resulting Numbers: [69, 104] Generated Node #0,3,3: 57:[69, 104] Operation: 96+8=104 Exploring Operation: 96/8=12, Resulting Numbers: [69, 12] Generated Node #0,3,4: 57:[69, 12] Operation: 96/8=12 Moving to Node #0,3,2 Current State: 57:[8, 27], Operations: ['81-73=8', '96-69=27'] Exploring Operation: 8*27=216, Resulting Numbers: [216] 216,57 unequal: No Solution Exploring Operation: 27-8=19, Resulting Numbers: [19] 19,57 unequal: No Solution Exploring Operation: 8+27=35, Resulting Numbers: [35] 35,57 unequal: No Solution Moving to Node #0,3,4 Current State: 57:[69, 12], Operations: ['81-73=8', '96/8=12'] Exploring Operation: 69*12=828, Resulting Numbers: [828] 828,57 unequal: No Solution Exploring Operation: 69-12=57, Resulting Numbers: [57] 57,57 equal: Goal Reached Moving to Node #0 Current State: 57:[96, 81, 69, 73], Operations: [] Exploring Operation: 81-73=8, Resulting Numbers: [96, 69, 8] Generated Node #0,3: 57:[96, 69, 8] Operation: 81-73=8 Moving to Node #0,3 Current State: 57:[96, 69, 8], Operations: ['81-73=8'] Exploring Operation: 96/8=12, Resulting Numbers: [69, 12] Generated Node #0,3,4: 57:[69, 12] Operation: 96/8=12 Moving to Node #0,3,4 Current State: 57:[69, 12], Operations: ['81-73=8', '96/8=12'] Exploring Operation: 69-12=57, Resulting Numbers: [57] 57,57 equal: Goal Reached Exit Sub Search at level 1
0.930556
hs_5
sum_heuristic
[ 3, 2, 8, 45 ]
31
[ "3*2=6", "45-8=37", "37-6=31" ]
Current State: 31:[3, 2, 8, 45], Operations: [] Exploring Operation: 3*2=6, Resulting Numbers: [8, 45, 6] Generated Node #2: [8, 45, 6] from Operation: 3*2=6 Current State: 31:[8, 45, 6], Operations: ['3*2=6'] Exploring Operation: 45-8=37, Resulting Numbers: [6, 37] Generated Node #3: [6, 37] from Operation: 45-8=37 Current State: 31:[6, 37], Operations: ['3*2=6', '45-8=37'] Exploring Operation: 37-6=31, Resulting Numbers: [31] 31,31 equal: Goal Reached
4
Current State: 31:[3, 2, 8, 45], Operations: [] Exploring Operation: 3*8=24, Resulting Numbers: [2, 45, 24] Generated Node #0,0: 31:[2, 45, 24] Operation: 3*8=24 Exploring Operation: 3*2=6, Resulting Numbers: [8, 45, 6] Generated Node #0,1: 31:[8, 45, 6] Operation: 3*2=6 Exploring Operation: 3+2=5, Resulting Numbers: [8, 45, 5] Generated Node #0,2: 31:[8, 45, 5] Operation: 3+2=5 Exploring Operation: 2*8=16, Resulting Numbers: [3, 45, 16] Generated Node #0,3: 31:[3, 45, 16] Operation: 2*8=16 Moving to Node #0,0 Current State: 31:[2, 45, 24], Operations: ['3*8=24'] Exploring Operation: 2+24=26, Resulting Numbers: [45, 26] Generated Node #0,0,0: 31:[45, 26] Operation: 2+24=26 Exploring Operation: 45-2=43, Resulting Numbers: [24, 43] Generated Node #0,0,1: 31:[24, 43] Operation: 45-2=43 Exploring Operation: 2+45=47, Resulting Numbers: [24, 47] Generated Node #0,0,2: 31:[24, 47] Operation: 2+45=47 Exploring Operation: 24-2=22, Resulting Numbers: [45, 22] Generated Node #0,0,3: 31:[45, 22] Operation: 24-2=22 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 31:[45, 26], Operations: ['3*8=24', '2+24=26'] Exploring Operation: 45*26=1170, Resulting Numbers: [1170] 1170,31 unequal: No Solution Exploring Operation: 45-26=19, Resulting Numbers: [19] 19,31 unequal: No Solution Exploring Operation: 45+26=71, Resulting Numbers: [71] 71,31 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 31:[24, 43], Operations: ['3*8=24', '45-2=43'] Exploring Operation: 43-24=19, Resulting Numbers: [19] 19,31 unequal: No Solution Exploring Operation: 24+43=67, Resulting Numbers: [67] 67,31 unequal: No Solution Exploring Operation: 24*43=1032, Resulting Numbers: [1032] 1032,31 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 31:[24, 47], Operations: ['3*8=24', '2+45=47'] Exploring Operation: 24+47=71, Resulting Numbers: [71] 71,31 unequal: No Solution Exploring Operation: 47-24=23, Resulting Numbers: [23] 23,31 unequal: No Solution Exploring Operation: 24*47=1128, Resulting Numbers: [1128] 1128,31 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 31:[45, 22], Operations: ['3*8=24', '24-2=22'] Exploring Operation: 45+22=67, Resulting Numbers: [67] 67,31 unequal: No Solution Exploring Operation: 45-22=23, Resulting Numbers: [23] 23,31 unequal: No Solution Exploring Operation: 45*22=990, Resulting Numbers: [990] 990,31 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: 31:[3, 45, 16], Operations: ['2*8=16'] Exploring Operation: 3+16=19, Resulting Numbers: [45, 19] Generated Node #0,3,0: 31:[45, 19] Operation: 3+16=19 Exploring Operation: 45/3=15, Resulting Numbers: [16, 15] Generated Node #0,3,1: 31:[16, 15] Operation: 45/3=15 Exploring Operation: 45-16=29, Resulting Numbers: [3, 29] Generated Node #0,3,2: 31:[3, 29] Operation: 45-16=29 Exploring Operation: 45-3=42, Resulting Numbers: [16, 42] Generated Node #0,3,3: 31:[16, 42] Operation: 45-3=42 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 31:[45, 19], Operations: ['2*8=16', '3+16=19'] Exploring Operation: 45-19=26, Resulting Numbers: [26] 26,31 unequal: No Solution Exploring Operation: 45+19=64, Resulting Numbers: [64] 64,31 unequal: No Solution Exploring Operation: 45*19=855, Resulting Numbers: [855] 855,31 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 31:[16, 42], Operations: ['2*8=16', '45-3=42'] Exploring Operation: 42-16=26, Resulting Numbers: [26] 26,31 unequal: No Solution Exploring Operation: 16*42=672, Resulting Numbers: [672] 672,31 unequal: No Solution Exploring Operation: 16+42=58, Resulting Numbers: [58] 58,31 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 31:[3, 29], Operations: ['2*8=16', '45-16=29'] Exploring Operation: 29-3=26, Resulting Numbers: [26] 26,31 unequal: No Solution Exploring Operation: 3*29=87, Resulting Numbers: [87] 87,31 unequal: No Solution Exploring Operation: 3+29=32, Resulting Numbers: [32] 32,31 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 31:[16, 15], Operations: ['2*8=16', '45/3=15'] Exploring Operation: 16+15=31, Resulting Numbers: [31] 31,31 equal: Goal Reached Moving to Node #0 Current State: 31:[3, 2, 8, 45], Operations: [] Exploring Operation: 2*8=16, Resulting Numbers: [3, 45, 16] Generated Node #0,3: 31:[3, 45, 16] Operation: 2*8=16 Moving to Node #0,3 Current State: 31:[3, 45, 16], Operations: ['2*8=16'] Exploring Operation: 45/3=15, Resulting Numbers: [16, 15] Generated Node #0,3,1: 31:[16, 15] Operation: 45/3=15 Moving to Node #0,3,1 Current State: 31:[16, 15], Operations: ['2*8=16', '45/3=15'] Exploring Operation: 16+15=31, Resulting Numbers: [31] 31,31 equal: Goal Reached Exit Sub Search at level 1
0.967014
hs_4
sum_heuristic
[ 16, 4, 26, 53 ]
23
[ "16/4=4", "53-26=27", "27-4=23" ]
Current State: 23:[16, 4, 26, 53], Operations: [] Exploring Operation: 16/4=4, Resulting Numbers: [26, 53, 4] Generated Node #2: [26, 53, 4] from Operation: 16/4=4 Current State: 23:[26, 53, 4], Operations: ['16/4=4'] Exploring Operation: 53-26=27, Resulting Numbers: [4, 27] Generated Node #3: [4, 27] from Operation: 53-26=27 Current State: 23:[4, 27], Operations: ['16/4=4', '53-26=27'] Exploring Operation: 27-4=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
4
Current State: 23:[16, 4, 26, 53], Operations: [] Exploring Operation: 53-4=49, Resulting Numbers: [16, 26, 49] Generated Node #0,0: 23:[16, 26, 49] Operation: 53-4=49 Exploring Operation: 53-16=37, Resulting Numbers: [4, 26, 37] Generated Node #0,1: 23:[4, 26, 37] Operation: 53-16=37 Exploring Operation: 16+4=20, Resulting Numbers: [26, 53, 20] Generated Node #0,2: 23:[26, 53, 20] Operation: 16+4=20 Exploring Operation: 26-4=22, Resulting Numbers: [16, 53, 22] Generated Node #0,3: 23:[16, 53, 22] Operation: 26-4=22 Exploring Operation: 53-26=27, Resulting Numbers: [16, 4, 27] Generated Node #0,4: 23:[16, 4, 27] Operation: 53-26=27 Moving to Node #0,4 Current State: 23:[16, 4, 27], Operations: ['53-26=27'] Exploring Operation: 27-4=23, Resulting Numbers: [16, 23] Generated Node #0,4,0: 23:[16, 23] Operation: 27-4=23 Exploring Operation: 16/4=4, Resulting Numbers: [27, 4] Generated Node #0,4,1: 23:[27, 4] Operation: 16/4=4 Exploring Operation: 16+4=20, Resulting Numbers: [27, 20] Generated Node #0,4,2: 23:[27, 20] Operation: 16+4=20 Exploring Operation: 4+27=31, Resulting Numbers: [16, 31] Generated Node #0,4,3: 23:[16, 31] Operation: 4+27=31 Exploring Operation: 16-4=12, Resulting Numbers: [27, 12] Generated Node #0,4,4: 23:[27, 12] Operation: 16-4=12 Moving to Node #0,1 Current State: 23:[4, 26, 37], Operations: ['53-16=37'] Exploring Operation: 37-4=33, Resulting Numbers: [26, 33] Generated Node #0,1,0: 23:[26, 33] Operation: 37-4=33 Exploring Operation: 37-26=11, Resulting Numbers: [4, 11] Generated Node #0,1,1: 23:[4, 11] Operation: 37-26=11 Exploring Operation: 4+37=41, Resulting Numbers: [26, 41] Generated Node #0,1,2: 23:[26, 41] Operation: 4+37=41 Exploring Operation: 26-4=22, Resulting Numbers: [37, 22] Generated Node #0,1,3: 23:[37, 22] Operation: 26-4=22 Exploring Operation: 4+26=30, Resulting Numbers: [37, 30] Generated Node #0,1,4: 23:[37, 30] Operation: 4+26=30 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 23:[26, 33], Operations: ['53-16=37', '37-4=33'] Exploring Operation: 33-26=7, Resulting Numbers: [7] 7,23 unequal: No Solution Exploring Operation: 26*33=858, Resulting Numbers: [858] 858,23 unequal: No Solution Exploring Operation: 26+33=59, Resulting Numbers: [59] 59,23 unequal: No Solution No 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: 23:[37, 22], Operations: ['53-16=37', '26-4=22'] Exploring Operation: 37-22=15, Resulting Numbers: [15] 15,23 unequal: No Solution Exploring Operation: 37*22=814, Resulting Numbers: [814] 814,23 unequal: No Solution Exploring Operation: 37+22=59, Resulting Numbers: [59] 59,23 unequal: No Solution No 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: 23:[26, 41], Operations: ['53-16=37', '4+37=41'] Exploring Operation: 26*41=1066, Resulting Numbers: [1066] 1066,23 unequal: No Solution Exploring Operation: 26+41=67, Resulting Numbers: [67] 67,23 unequal: No Solution Exploring Operation: 41-26=15, Resulting Numbers: [15] 15,23 unequal: No Solution No 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: 23:[37, 30], Operations: ['53-16=37', '4+26=30'] Exploring Operation: 37+30=67, Resulting Numbers: [67] 67,23 unequal: No Solution Exploring Operation: 37*30=1110, Resulting Numbers: [1110] 1110,23 unequal: No Solution Exploring Operation: 37-30=7, Resulting Numbers: [7] 7,23 unequal: No Solution No 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: 23:[4, 11], Operations: ['53-16=37', '37-26=11'] Exploring Operation: 4*11=44, Resulting Numbers: [44] 44,23 unequal: No Solution Exploring Operation: 11-4=7, Resulting Numbers: [7] 7,23 unequal: No Solution Exploring Operation: 4+11=15, Resulting Numbers: [15] 15,23 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: 23:[16, 26, 49], Operations: ['53-4=49'] Exploring Operation: 16+49=65, Resulting Numbers: [26, 65] Generated Node #0,0,0: 23:[26, 65] Operation: 16+49=65 Exploring Operation: 16+26=42, Resulting Numbers: [49, 42] Generated Node #0,0,1: 23:[49, 42] Operation: 16+26=42 Exploring Operation: 26-16=10, Resulting Numbers: [49, 10] Generated Node #0,0,2: 23:[49, 10] Operation: 26-16=10 Exploring Operation: 49-26=23, Resulting Numbers: [16, 23] Generated Node #0,0,3: 23:[16, 23] Operation: 49-26=23 Exploring Operation: 49-16=33, Resulting Numbers: [26, 33] Generated Node #0,0,4: 23:[26, 33] Operation: 49-16=33 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 23:[16, 23], Operations: ['53-4=49', '49-26=23'] Exploring Operation: 16+23=39, Resulting Numbers: [39] 39,23 unequal: No Solution Exploring Operation: 23-16=7, Resulting Numbers: [7] 7,23 unequal: No Solution Exploring Operation: 16*23=368, Resulting Numbers: [368] 368,23 unequal: No Solution No 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: 23:[26, 33], Operations: ['53-4=49', '49-16=33'] Exploring Operation: 26*33=858, Resulting Numbers: [858] 858,23 unequal: No Solution Exploring Operation: 26+33=59, Resulting Numbers: [59] 59,23 unequal: No Solution Exploring Operation: 33-26=7, Resulting Numbers: [7] 7,23 unequal: No Solution No 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: 23:[49, 10], Operations: ['53-4=49', '26-16=10'] Exploring Operation: 49*10=490, Resulting Numbers: [490] 490,23 unequal: No Solution Exploring Operation: 49+10=59, Resulting Numbers: [59] 59,23 unequal: No Solution Exploring Operation: 49-10=39, Resulting Numbers: [39] 39,23 unequal: No Solution No 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: 23:[26, 65], Operations: ['53-4=49', '16+49=65'] Exploring Operation: 26+65=91, Resulting Numbers: [91] 91,23 unequal: No Solution Exploring Operation: 65-26=39, Resulting Numbers: [39] 39,23 unequal: No Solution Exploring Operation: 26*65=1690, Resulting Numbers: [1690] 1690,23 unequal: No Solution No 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: 23:[49, 42], Operations: ['53-4=49', '16+26=42'] Exploring Operation: 49-42=7, Resulting Numbers: [7] 7,23 unequal: No Solution Exploring Operation: 49*42=2058, Resulting Numbers: [2058] 2058,23 unequal: No Solution Exploring Operation: 49+42=91, Resulting Numbers: [91] 91,23 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: 23:[26, 53, 20], Operations: ['16+4=20'] Exploring Operation: 53-26=27, Resulting Numbers: [20, 27] Generated Node #0,2,0: 23:[20, 27] Operation: 53-26=27 Exploring Operation: 53+20=73, Resulting Numbers: [26, 73] Generated Node #0,2,1: 23:[26, 73] Operation: 53+20=73 Exploring Operation: 26+20=46, Resulting Numbers: [53, 46] Generated Node #0,2,2: 23:[53, 46] Operation: 26+20=46 Exploring Operation: 26-20=6, Resulting Numbers: [53, 6] Generated Node #0,2,3: 23:[53, 6] Operation: 26-20=6 Exploring Operation: 53-20=33, Resulting Numbers: [26, 33] Generated Node #0,2,4: 23:[26, 33] Operation: 53-20=33 Moving to Node #0,3 Current State: 23:[16, 53, 22], Operations: ['26-4=22'] Exploring Operation: 22-16=6, Resulting Numbers: [53, 6] Generated Node #0,3,0: 23:[53, 6] Operation: 22-16=6 Exploring Operation: 16+53=69, Resulting Numbers: [22, 69] Generated Node #0,3,1: 23:[22, 69] Operation: 16+53=69 Exploring Operation: 16+22=38, Resulting Numbers: [53, 38] Generated Node #0,3,2: 23:[53, 38] Operation: 16+22=38 Exploring Operation: 53-16=37, Resulting Numbers: [22, 37] Generated Node #0,3,3: 23:[22, 37] Operation: 53-16=37 Exploring Operation: 53-22=31, Resulting Numbers: [16, 31] Generated Node #0,3,4: 23:[16, 31] Operation: 53-22=31 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 23:[22, 37], Operations: ['26-4=22', '53-16=37'] Exploring Operation: 22*37=814, Resulting Numbers: [814] 814,23 unequal: No Solution Exploring Operation: 37-22=15, Resulting Numbers: [15] 15,23 unequal: No Solution Exploring Operation: 22+37=59, Resulting Numbers: [59] 59,23 unequal: No Solution No 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: 23:[16, 31], Operations: ['26-4=22', '53-22=31'] Exploring Operation: 31-16=15, Resulting Numbers: [15] 15,23 unequal: No Solution Exploring Operation: 16*31=496, Resulting Numbers: [496] 496,23 unequal: No Solution Exploring Operation: 16+31=47, Resulting Numbers: [47] 47,23 unequal: No Solution No 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: 23:[53, 38], Operations: ['26-4=22', '16+22=38'] Exploring Operation: 53+38=91, Resulting Numbers: [91] 91,23 unequal: No Solution Exploring Operation: 53*38=2014, Resulting Numbers: [2014] 2014,23 unequal: No Solution Exploring Operation: 53-38=15, Resulting Numbers: [15] 15,23 unequal: No Solution No 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: 23:[53, 6], Operations: ['26-4=22', '22-16=6'] Exploring Operation: 53-6=47, Resulting Numbers: [47] 47,23 unequal: No Solution Exploring Operation: 53+6=59, Resulting Numbers: [59] 59,23 unequal: No Solution Exploring Operation: 53*6=318, Resulting Numbers: [318] 318,23 unequal: No Solution No 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: 23:[22, 69], Operations: ['26-4=22', '16+53=69'] Exploring Operation: 69-22=47, Resulting Numbers: [47] 47,23 unequal: No Solution Exploring Operation: 22*69=1518, Resulting Numbers: [1518] 1518,23 unequal: No Solution Exploring Operation: 22+69=91, Resulting Numbers: [91] 91,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,4,0 Current State: 23:[16, 23], Operations: ['53-26=27', '27-4=23'] Exploring Operation: 23-16=7, Resulting Numbers: [7] 7,23 unequal: No Solution Exploring Operation: 16+23=39, Resulting Numbers: [39] 39,23 unequal: No Solution Exploring Operation: 16*23=368, Resulting Numbers: [368] 368,23 unequal: No Solution Moving to Node #0,2,0 Current State: 23:[20, 27], Operations: ['16+4=20', '53-26=27'] Exploring Operation: 20*27=540, Resulting Numbers: [540] 540,23 unequal: No Solution Exploring Operation: 27-20=7, Resulting Numbers: [7] 7,23 unequal: No Solution Exploring Operation: 20+27=47, Resulting Numbers: [47] 47,23 unequal: No Solution Moving to Node #0,4,2 Current State: 23:[27, 20], Operations: ['53-26=27', '16+4=20'] Exploring Operation: 27*20=540, Resulting Numbers: [540] 540,23 unequal: No Solution Exploring Operation: 27-20=7, Resulting Numbers: [7] 7,23 unequal: No Solution Exploring Operation: 27+20=47, Resulting Numbers: [47] 47,23 unequal: No Solution Moving to Node #0,2,4 Current State: 23:[26, 33], Operations: ['16+4=20', '53-20=33'] Exploring Operation: 33-26=7, Resulting Numbers: [7] 7,23 unequal: No Solution Exploring Operation: 26+33=59, Resulting Numbers: [59] 59,23 unequal: No Solution Exploring Operation: 26*33=858, Resulting Numbers: [858] 858,23 unequal: No Solution Moving to Node #0,4,3 Current State: 23:[16, 31], Operations: ['53-26=27', '4+27=31'] Exploring Operation: 16+31=47, Resulting Numbers: [47] 47,23 unequal: No Solution Exploring Operation: 16*31=496, Resulting Numbers: [496] 496,23 unequal: No Solution Exploring Operation: 31-16=15, Resulting Numbers: [15] 15,23 unequal: No Solution Moving to Node #0,4,4 Current State: 23:[27, 12], Operations: ['53-26=27', '16-4=12'] Exploring Operation: 27*12=324, Resulting Numbers: [324] 324,23 unequal: No Solution Exploring Operation: 27-12=15, Resulting Numbers: [15] 15,23 unequal: No Solution Exploring Operation: 27+12=39, Resulting Numbers: [39] 39,23 unequal: No Solution Moving to Node #0,4,1 Current State: 23:[27, 4], Operations: ['53-26=27', '16/4=4'] Exploring Operation: 27+4=31, Resulting Numbers: [31] 31,23 unequal: No Solution Exploring Operation: 27-4=23, Resulting Numbers: [23] 23,23 equal: Goal Reached Moving to Node #0 Current State: 23:[16, 4, 26, 53], Operations: [] Exploring Operation: 53-26=27, Resulting Numbers: [16, 4, 27] Generated Node #0,4: 23:[16, 4, 27] Operation: 53-26=27 Moving to Node #0,4 Current State: 23:[16, 4, 27], Operations: ['53-26=27'] Exploring Operation: 16/4=4, Resulting Numbers: [27, 4] Generated Node #0,4,1: 23:[27, 4] Operation: 16/4=4 Moving to Node #0,4,1 Current State: 23:[27, 4], Operations: ['53-26=27', '16/4=4'] Exploring Operation: 27-4=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
0.914063
hs_5
sum_heuristic
[ 53, 20, 87, 68 ]
52
[ "53-20=33", "87-68=19", "33+19=52" ]
Current State: 52:[53, 20, 87, 68], Operations: [] Exploring Operation: 53-20=33, Resulting Numbers: [87, 68, 33] Generated Node #2: [87, 68, 33] from Operation: 53-20=33 Current State: 52:[87, 68, 33], Operations: ['53-20=33'] Exploring Operation: 87-68=19, Resulting Numbers: [33, 19] Generated Node #3: [33, 19] from Operation: 87-68=19 Current State: 52:[33, 19], Operations: ['53-20=33', '87-68=19'] Exploring Operation: 33+19=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[53, 20, 87, 68], Operations: [] Exploring Operation: 87-68=19, Resulting Numbers: [53, 20, 19] Generated Node #0,0: 52:[53, 20, 19] Operation: 87-68=19 Exploring Operation: 87-20=67, Resulting Numbers: [53, 68, 67] Generated Node #0,1: 52:[53, 68, 67] Operation: 87-20=67 Exploring Operation: 87-53=34, Resulting Numbers: [20, 68, 34] Generated Node #0,2: 52:[20, 68, 34] Operation: 87-53=34 Start Sub Search at level 1: Moving to Node #0,0 Current State: 52:[53, 20, 19], Operations: ['87-68=19'] Exploring Operation: 20-19=1, Resulting Numbers: [53, 1] Generated Node #0,0,0: 52:[53, 1] Operation: 20-19=1 Exploring Operation: 53-20=33, Resulting Numbers: [19, 33] Generated Node #0,0,1: 52:[19, 33] Operation: 53-20=33 Exploring Operation: 53-19=34, Resulting Numbers: [20, 34] Generated Node #0,0,2: 52:[20, 34] Operation: 53-19=34 Moving to Node #0,0,0 Current State: 52:[53, 1], Operations: ['87-68=19', '20-19=1'] Exploring Operation: 53-1=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Moving to Node #0 Current State: 52:[53, 20, 87, 68], Operations: [] Exploring Operation: 87-68=19, Resulting Numbers: [53, 20, 19] Generated Node #0,0: 52:[53, 20, 19] Operation: 87-68=19 Moving to Node #0,0 Current State: 52:[53, 20, 19], Operations: ['87-68=19'] Exploring Operation: 20-19=1, Resulting Numbers: [53, 1] Generated Node #0,0,0: 52:[53, 1] Operation: 20-19=1 Moving to Node #0,0,0 Current State: 52:[53, 1], Operations: ['87-68=19', '20-19=1'] Exploring Operation: 53-1=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_3
mult_heuristic