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
[ 45, 52, 18, 17 ]
14
[ "52-17=35", "18*35=630", "630/45=14" ]
Current State: 14:[45, 52, 18, 17], Operations: [] Exploring Operation: 52-17=35, Resulting Numbers: [45, 18, 35] Generated Node #2: [45, 18, 35] from Operation: 52-17=35 Current State: 14:[45, 18, 35], Operations: ['52-17=35'] Exploring Operation: 18*35=630, Resulting Numbers: [45, 630] Generated Node #3: [45, 630] from Operation: 18*35=630 Current State: 14:[45, 630], Operations: ['52-17=35', '18*35=630'] Exploring Operation: 630/45=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
4
Current State: 14:[45, 52, 18, 17], Operations: [] Exploring Operation: 45-18=27, Resulting Numbers: [52, 17, 27] Generated Node #0,0: 14:[52, 17, 27] Operation: 45-18=27 Exploring Operation: 52-45=7, Resulting Numbers: [18, 17, 7] Generated Node #0,1: 14:[18, 17, 7] Operation: 52-45=7 Exploring Operation: 52-18=34, Resulting Numbers: [45, 17, 34] Generated Node #0,2: 14:[45, 17, 34] Operation: 52-18=34 Moving to Node #0,1 Current State: 14:[18, 17, 7], Operations: ['52-45=7'] Exploring Operation: 17-7=10, Resulting Numbers: [18, 10] Generated Node #0,1,0: 14:[18, 10] Operation: 17-7=10 Exploring Operation: 18-7=11, Resulting Numbers: [17, 11] Generated Node #0,1,1: 14:[17, 11] Operation: 18-7=11 Exploring Operation: 18-17=1, Resulting Numbers: [7, 1] Generated Node #0,1,2: 14:[7, 1] Operation: 18-17=1 Moving to Node #0,0 Current State: 14:[52, 17, 27], Operations: ['45-18=27'] Exploring Operation: 52-17=35, Resulting Numbers: [27, 35] Generated Node #0,0,0: 14:[27, 35] Operation: 52-17=35 Exploring Operation: 27-17=10, Resulting Numbers: [52, 10] Generated Node #0,0,1: 14:[52, 10] Operation: 27-17=10 Exploring Operation: 52-27=25, Resulting Numbers: [17, 25] Generated Node #0,0,2: 14:[17, 25] Operation: 52-27=25 Moving to Node #0,2 Current State: 14:[45, 17, 34], Operations: ['52-18=34'] Exploring Operation: 34/17=2, Resulting Numbers: [45, 2] Generated Node #0,2,0: 14:[45, 2] Operation: 34/17=2 Exploring Operation: 45-34=11, Resulting Numbers: [17, 11] Generated Node #0,2,1: 14:[17, 11] Operation: 45-34=11 Exploring Operation: 45-17=28, Resulting Numbers: [34, 28] Generated Node #0,2,2: 14:[34, 28] Operation: 45-17=28 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 14:[17, 11], Operations: ['52-18=34', '45-34=11'] Exploring Operation: 17*11=187, Resulting Numbers: [187] 187,14 unequal: No Solution Exploring Operation: 17+11=28, Resulting Numbers: [28] 28,14 unequal: No Solution Exploring Operation: 17-11=6, Resulting Numbers: [6] 6,14 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 14:[45, 2], Operations: ['52-18=34', '34/17=2'] Exploring Operation: 45+2=47, Resulting Numbers: [47] 47,14 unequal: No Solution Exploring Operation: 45*2=90, Resulting Numbers: [90] 90,14 unequal: No Solution Exploring Operation: 45-2=43, Resulting Numbers: [43] 43,14 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 14:[34, 28], Operations: ['52-18=34', '45-17=28'] Exploring Operation: 34+28=62, Resulting Numbers: [62] 62,14 unequal: No Solution Exploring Operation: 34*28=952, Resulting Numbers: [952] 952,14 unequal: No Solution Exploring Operation: 34-28=6, Resulting Numbers: [6] 6,14 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1,2 Current State: 14:[7, 1], Operations: ['52-45=7', '18-17=1'] Exploring Operation: 7*1=7, Resulting Numbers: [7] 7,14 unequal: No Solution Exploring Operation: 7+1=8, Resulting Numbers: [8] 8,14 unequal: No Solution Exploring Operation: 7/1=7, Resulting Numbers: [7] 7,14 unequal: No Solution Moving to Node #0,1,1 Current State: 14:[17, 11], Operations: ['52-45=7', '18-7=11'] Exploring Operation: 17+11=28, Resulting Numbers: [28] 28,14 unequal: No Solution Exploring Operation: 17*11=187, Resulting Numbers: [187] 187,14 unequal: No Solution Exploring Operation: 17-11=6, Resulting Numbers: [6] 6,14 unequal: No Solution Moving to Node #0,1,0 Current State: 14:[18, 10], Operations: ['52-45=7', '17-7=10'] Exploring Operation: 18*10=180, Resulting Numbers: [180] 180,14 unequal: No Solution Exploring Operation: 18-10=8, Resulting Numbers: [8] 8,14 unequal: No Solution Exploring Operation: 18+10=28, Resulting Numbers: [28] 28,14 unequal: No Solution Moving to Node #0,0,2 Current State: 14:[17, 25], Operations: ['45-18=27', '52-27=25'] Exploring Operation: 25-17=8, Resulting Numbers: [8] 8,14 unequal: No Solution Exploring Operation: 17+25=42, Resulting Numbers: [42] 42,14 unequal: No Solution Exploring Operation: 17*25=425, Resulting Numbers: [425] 425,14 unequal: No Solution Moving to Node #0,0,0 Current State: 14:[27, 35], Operations: ['45-18=27', '52-17=35'] Exploring Operation: 35-27=8, Resulting Numbers: [8] 8,14 unequal: No Solution Exploring Operation: 27*35=945, Resulting Numbers: [945] 945,14 unequal: No Solution Exploring Operation: 27+35=62, Resulting Numbers: [62] 62,14 unequal: No Solution Moving to Node #0,0,1 Current State: 14:[52, 10], Operations: ['45-18=27', '27-17=10'] Exploring Operation: 52+10=62, Resulting Numbers: [62] 62,14 unequal: No Solution Exploring Operation: 52-10=42, Resulting Numbers: [42] 42,14 unequal: No Solution Exploring Operation: 52*10=520, Resulting Numbers: [520] 520,14 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 47, 6, 49, 29 ]
32
[ "49-47=2", "6/2=3", "29+3=32" ]
Current State: 32:[47, 6, 49, 29], Operations: [] Exploring Operation: 49-47=2, Resulting Numbers: [6, 29, 2] Generated Node #2: [6, 29, 2] from Operation: 49-47=2 Current State: 32:[6, 29, 2], Operations: ['49-47=2'] Exploring Operation: 6/2=3, Resulting Numbers: [29, 3] Generated Node #3: [29, 3] from Operation: 6/2=3 Current State: 32:[29, 3], Operations: ['49-47=2', '6/2=3'] Exploring Operation: 29+3=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[47, 6, 49, 29], Operations: [] Exploring Operation: 49-47=2, Resulting Numbers: [6, 29, 2] Generated Node #0,0: 32:[6, 29, 2] Operation: 49-47=2 Exploring Operation: 47-29=18, Resulting Numbers: [6, 49, 18] Generated Node #0,1: 32:[6, 49, 18] Operation: 47-29=18 Exploring Operation: 49-29=20, Resulting Numbers: [47, 6, 20] Generated Node #0,2: 32:[47, 6, 20] Operation: 49-29=20 Moving to Node #0,0 Current State: 32:[6, 29, 2], Operations: ['49-47=2'] Exploring Operation: 6-2=4, Resulting Numbers: [29, 4] Generated Node #0,0,0: 32:[29, 4] Operation: 6-2=4 Exploring Operation: 6+2=8, Resulting Numbers: [29, 8] Generated Node #0,0,1: 32:[29, 8] Operation: 6+2=8 Exploring Operation: 6+29=35, Resulting Numbers: [2, 35] Generated Node #0,0,2: 32:[2, 35] Operation: 6+29=35 Moving to Node #0,1 Current State: 32:[6, 49, 18], Operations: ['47-29=18'] Exploring Operation: 49-18=31, Resulting Numbers: [6, 31] Generated Node #0,1,0: 32:[6, 31] Operation: 49-18=31 Exploring Operation: 49-6=43, Resulting Numbers: [18, 43] Generated Node #0,1,1: 32:[18, 43] Operation: 49-6=43 Exploring Operation: 18/6=3, Resulting Numbers: [49, 3] Generated Node #0,1,2: 32:[49, 3] Operation: 18/6=3 Moving to Node #0,2 Current State: 32:[47, 6, 20], Operations: ['49-29=20'] Exploring Operation: 47-6=41, Resulting Numbers: [20, 41] Generated Node #0,2,0: 32:[20, 41] Operation: 47-6=41 Exploring Operation: 20-6=14, Resulting Numbers: [47, 14] Generated Node #0,2,1: 32:[47, 14] Operation: 20-6=14 Exploring Operation: 47-20=27, Resulting Numbers: [6, 27] Generated Node #0,2,2: 32:[6, 27] Operation: 47-20=27 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 32:[6, 27], Operations: ['49-29=20', '47-20=27'] Exploring Operation: 6+27=33, Resulting Numbers: [33] 33,32 unequal: No Solution Exploring Operation: 6*27=162, Resulting Numbers: [162] 162,32 unequal: No Solution Exploring Operation: 27-6=21, Resulting Numbers: [21] 21,32 unequal: No Solution No 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: 32:[20, 41], Operations: ['49-29=20', '47-6=41'] Exploring Operation: 20*41=820, Resulting Numbers: [820] 820,32 unequal: No Solution Exploring Operation: 20+41=61, Resulting Numbers: [61] 61,32 unequal: No Solution Exploring Operation: 41-20=21, Resulting Numbers: [21] 21,32 unequal: No Solution No 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: 32:[47, 14], Operations: ['49-29=20', '20-6=14'] Exploring Operation: 47-14=33, Resulting Numbers: [33] 33,32 unequal: No Solution Exploring Operation: 47*14=658, Resulting Numbers: [658] 658,32 unequal: No Solution Exploring Operation: 47+14=61, Resulting Numbers: [61] 61,32 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: 32:[29, 4], Operations: ['49-47=2', '6-2=4'] Exploring Operation: 29+4=33, Resulting Numbers: [33] 33,32 unequal: No Solution Exploring Operation: 29-4=25, Resulting Numbers: [25] 25,32 unequal: No Solution Exploring Operation: 29*4=116, Resulting Numbers: [116] 116,32 unequal: No Solution Moving to Node #0,0,2 Current State: 32:[2, 35], Operations: ['49-47=2', '6+29=35'] Exploring Operation: 2*35=70, Resulting Numbers: [70] 70,32 unequal: No Solution Exploring Operation: 2+35=37, Resulting Numbers: [37] 37,32 unequal: No Solution Exploring Operation: 35-2=33, Resulting Numbers: [33] 33,32 unequal: No Solution Moving to Node #0,0,1 Current State: 32:[29, 8], Operations: ['49-47=2', '6+2=8'] Exploring Operation: 29*8=232, Resulting Numbers: [232] 232,32 unequal: No Solution Exploring Operation: 29-8=21, Resulting Numbers: [21] 21,32 unequal: No Solution Exploring Operation: 29+8=37, Resulting Numbers: [37] 37,32 unequal: No Solution Moving to Node #0,1,0 Current State: 32:[6, 31], Operations: ['47-29=18', '49-18=31'] Exploring Operation: 6+31=37, Resulting Numbers: [37] 37,32 unequal: No Solution Exploring Operation: 6*31=186, Resulting Numbers: [186] 186,32 unequal: No Solution Exploring Operation: 31-6=25, Resulting Numbers: [25] 25,32 unequal: No Solution Moving to Node #0,1,1 Current State: 32:[18, 43], Operations: ['47-29=18', '49-6=43'] Exploring Operation: 43-18=25, Resulting Numbers: [25] 25,32 unequal: No Solution Exploring Operation: 18*43=774, Resulting Numbers: [774] 774,32 unequal: No Solution Exploring Operation: 18+43=61, Resulting Numbers: [61] 61,32 unequal: No Solution Moving to Node #0,1,2 Current State: 32:[49, 3], Operations: ['47-29=18', '18/6=3'] Exploring Operation: 49-3=46, Resulting Numbers: [46] 46,32 unequal: No Solution Exploring Operation: 49*3=147, Resulting Numbers: [147] 147,32 unequal: No Solution Exploring Operation: 49+3=52, Resulting Numbers: [52] 52,32 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 58, 5, 7, 79 ]
19
[ "58-5=53", "79-7=72", "72-53=19" ]
Current State: 19:[58, 5, 7, 79], Operations: [] Exploring Operation: 58-5=53, Resulting Numbers: [7, 79, 53] Generated Node #2: [7, 79, 53] from Operation: 58-5=53 Current State: 19:[7, 79, 53], Operations: ['58-5=53'] Exploring Operation: 79-7=72, Resulting Numbers: [53, 72] Generated Node #3: [53, 72] from Operation: 79-7=72 Current State: 19:[53, 72], Operations: ['58-5=53', '79-7=72'] Exploring Operation: 72-53=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
4
Current State: 19:[58, 5, 7, 79], Operations: [] Exploring Operation: 79-58=21, Resulting Numbers: [5, 7, 21] Generated Node #0,0: 19:[5, 7, 21] Operation: 79-58=21 Exploring Operation: 58-7=51, Resulting Numbers: [5, 79, 51] Generated Node #0,1: 19:[5, 79, 51] Operation: 58-7=51 Exploring Operation: 5+7=12, Resulting Numbers: [58, 79, 12] Generated Node #0,2: 19:[58, 79, 12] Operation: 5+7=12 Exploring Operation: 79-5=74, Resulting Numbers: [58, 7, 74] Generated Node #0,3: 19:[58, 7, 74] Operation: 79-5=74 Exploring Operation: 58-5=53, Resulting Numbers: [7, 79, 53] Generated Node #0,4: 19:[7, 79, 53] Operation: 58-5=53 Moving to Node #0,0 Current State: 19:[5, 7, 21], Operations: ['79-58=21'] Exploring Operation: 7-5=2, Resulting Numbers: [21, 2] Generated Node #0,0,0: 19:[21, 2] Operation: 7-5=2 Exploring Operation: 5+7=12, Resulting Numbers: [21, 12] Generated Node #0,0,1: 19:[21, 12] Operation: 5+7=12 Exploring Operation: 5+21=26, Resulting Numbers: [7, 26] Generated Node #0,0,2: 19:[7, 26] Operation: 5+21=26 Exploring Operation: 21-5=16, Resulting Numbers: [7, 16] Generated Node #0,0,3: 19:[7, 16] Operation: 21-5=16 Exploring Operation: 5*7=35, Resulting Numbers: [21, 35] Generated Node #0,0,4: 19:[21, 35] Operation: 5*7=35 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 19:[21, 12], Operations: ['79-58=21', '5+7=12'] Exploring Operation: 21*12=252, Resulting Numbers: [252] 252,19 unequal: No Solution Exploring Operation: 21+12=33, Resulting Numbers: [33] 33,19 unequal: No Solution Exploring Operation: 21-12=9, Resulting Numbers: [9] 9,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 19:[7, 16], Operations: ['79-58=21', '21-5=16'] Exploring Operation: 7+16=23, Resulting Numbers: [23] 23,19 unequal: No Solution Exploring Operation: 7*16=112, Resulting Numbers: [112] 112,19 unequal: No Solution Exploring Operation: 16-7=9, Resulting Numbers: [9] 9,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 19:[21, 35], Operations: ['79-58=21', '5*7=35'] Exploring Operation: 21+35=56, Resulting Numbers: [56] 56,19 unequal: No Solution Exploring Operation: 21*35=735, Resulting Numbers: [735] 735,19 unequal: No Solution Exploring Operation: 35-21=14, Resulting Numbers: [14] 14,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 19:[21, 2], Operations: ['79-58=21', '7-5=2'] Exploring Operation: 21*2=42, Resulting Numbers: [42] 42,19 unequal: No Solution Exploring Operation: 21+2=23, Resulting Numbers: [23] 23,19 unequal: No Solution Exploring Operation: 21-2=19, Resulting Numbers: [19] 19,19 equal: Goal Reached Moving to Node #0 Current State: 19:[58, 5, 7, 79], Operations: [] Exploring Operation: 79-58=21, Resulting Numbers: [5, 7, 21] Generated Node #0,0: 19:[5, 7, 21] Operation: 79-58=21 Moving to Node #0,0 Current State: 19:[5, 7, 21], Operations: ['79-58=21'] Exploring Operation: 7-5=2, Resulting Numbers: [21, 2] Generated Node #0,0,0: 19:[21, 2] Operation: 7-5=2 Moving to Node #0,0,0 Current State: 19:[21, 2], Operations: ['79-58=21', '7-5=2'] Exploring Operation: 21-2=19, Resulting Numbers: [19] 19,19 equal: Goal Reached Exit Sub Search at level 1
0.977431
hs_5
sum_heuristic
[ 96, 35, 75, 9 ]
25
[ "96+9=105", "35*75=2625", "2625/105=25" ]
Current State: 25:[96, 35, 75, 9], Operations: [] Exploring Operation: 96+9=105, Resulting Numbers: [35, 75, 105] Generated Node #2: [35, 75, 105] from Operation: 96+9=105 Current State: 25:[35, 75, 105], Operations: ['96+9=105'] Exploring Operation: 35*75=2625, Resulting Numbers: [105, 2625] Generated Node #3: [105, 2625] from Operation: 35*75=2625 Current State: 25:[105, 2625], Operations: ['96+9=105', '35*75=2625'] Exploring Operation: 2625/105=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[96, 35, 75, 9], Operations: [] Exploring Operation: 75-35=40, Resulting Numbers: [96, 9, 40] Generated Node #0,0: 25:[96, 9, 40] Operation: 75-35=40 Exploring Operation: 96-75=21, Resulting Numbers: [35, 9, 21] Generated Node #0,1: 25:[35, 9, 21] Operation: 96-75=21 Exploring Operation: 96-35=61, Resulting Numbers: [75, 9, 61] Generated Node #0,2: 25:[75, 9, 61] Operation: 96-35=61 Moving to Node #0,1 Current State: 25:[35, 9, 21], Operations: ['96-75=21'] Exploring Operation: 35-21=14, Resulting Numbers: [9, 14] Generated Node #0,1,0: 25:[9, 14] Operation: 35-21=14 Exploring Operation: 35-9=26, Resulting Numbers: [21, 26] Generated Node #0,1,1: 25:[21, 26] Operation: 35-9=26 Exploring Operation: 9+21=30, Resulting Numbers: [35, 30] Generated Node #0,1,2: 25:[35, 30] Operation: 9+21=30 Moving to Node #0,0 Current State: 25:[96, 9, 40], Operations: ['75-35=40'] Exploring Operation: 40-9=31, Resulting Numbers: [96, 31] Generated Node #0,0,0: 25:[96, 31] Operation: 40-9=31 Exploring Operation: 96-9=87, Resulting Numbers: [40, 87] Generated Node #0,0,1: 25:[40, 87] Operation: 96-9=87 Exploring Operation: 96-40=56, Resulting Numbers: [9, 56] Generated Node #0,0,2: 25:[9, 56] Operation: 96-40=56 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 25:[9, 56], Operations: ['75-35=40', '96-40=56'] Exploring Operation: 56-9=47, Resulting Numbers: [47] 47,25 unequal: No Solution Exploring Operation: 9*56=504, Resulting Numbers: [504] 504,25 unequal: No Solution Exploring Operation: 9+56=65, Resulting Numbers: [65] 65,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 25:[96, 31], Operations: ['75-35=40', '40-9=31'] Exploring Operation: 96-31=65, Resulting Numbers: [65] 65,25 unequal: No Solution Exploring Operation: 96+31=127, Resulting Numbers: [127] 127,25 unequal: No Solution Exploring Operation: 96*31=2976, Resulting Numbers: [2976] 2976,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 25:[40, 87], Operations: ['75-35=40', '96-9=87'] Exploring Operation: 40*87=3480, Resulting Numbers: [3480] 3480,25 unequal: No Solution Exploring Operation: 40+87=127, Resulting Numbers: [127] 127,25 unequal: No Solution Exploring Operation: 87-40=47, Resulting Numbers: [47] 47,25 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: 25:[75, 9, 61], Operations: ['96-35=61'] Exploring Operation: 75-9=66, Resulting Numbers: [61, 66] Generated Node #0,2,0: 25:[61, 66] Operation: 75-9=66 Exploring Operation: 75-61=14, Resulting Numbers: [9, 14] Generated Node #0,2,1: 25:[9, 14] Operation: 75-61=14 Exploring Operation: 61-9=52, Resulting Numbers: [75, 52] Generated Node #0,2,2: 25:[75, 52] Operation: 61-9=52 Moving to Node #0,1,1 Current State: 25:[21, 26], Operations: ['96-75=21', '35-9=26'] Exploring Operation: 21+26=47, Resulting Numbers: [47] 47,25 unequal: No Solution Exploring Operation: 21*26=546, Resulting Numbers: [546] 546,25 unequal: No Solution Exploring Operation: 26-21=5, Resulting Numbers: [5] 5,25 unequal: No Solution Moving to Node #0,1,0 Current State: 25:[9, 14], Operations: ['96-75=21', '35-21=14'] Exploring Operation: 9+14=23, Resulting Numbers: [23] 23,25 unequal: No Solution Exploring Operation: 14-9=5, Resulting Numbers: [5] 5,25 unequal: No Solution Exploring Operation: 9*14=126, Resulting Numbers: [126] 126,25 unequal: No Solution Moving to Node #0,2,1 Current State: 25:[9, 14], Operations: ['96-35=61', '75-61=14'] Exploring Operation: 14-9=5, Resulting Numbers: [5] 5,25 unequal: No Solution Exploring Operation: 9*14=126, Resulting Numbers: [126] 126,25 unequal: No Solution Exploring Operation: 9+14=23, Resulting Numbers: [23] 23,25 unequal: No Solution Moving to Node #0,1,2 Current State: 25:[35, 30], Operations: ['96-75=21', '9+21=30'] Exploring Operation: 35+30=65, Resulting Numbers: [65] 65,25 unequal: No Solution Exploring Operation: 35-30=5, Resulting Numbers: [5] 5,25 unequal: No Solution Exploring Operation: 35*30=1050, Resulting Numbers: [1050] 1050,25 unequal: No Solution Moving to Node #0,2,2 Current State: 25:[75, 52], Operations: ['96-35=61', '61-9=52'] Exploring Operation: 75-52=23, Resulting Numbers: [23] 23,25 unequal: No Solution Exploring Operation: 75*52=3900, Resulting Numbers: [3900] 3900,25 unequal: No Solution Exploring Operation: 75+52=127, Resulting Numbers: [127] 127,25 unequal: No Solution Moving to Node #0,2,0 Current State: 25:[61, 66], Operations: ['96-35=61', '75-9=66'] Exploring Operation: 61*66=4026, Resulting Numbers: [4026] 4026,25 unequal: No Solution Exploring Operation: 61+66=127, Resulting Numbers: [127] 127,25 unequal: No Solution Exploring Operation: 66-61=5, Resulting Numbers: [5] 5,25 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 74, 3, 25, 76 ]
73
[ "76-74=2", "3*25=75", "75-2=73" ]
Current State: 73:[74, 3, 25, 76], Operations: [] Exploring Operation: 76-74=2, Resulting Numbers: [3, 25, 2] Generated Node #2: [3, 25, 2] from Operation: 76-74=2 Current State: 73:[3, 25, 2], Operations: ['76-74=2'] Exploring Operation: 3*25=75, Resulting Numbers: [2, 75] Generated Node #3: [2, 75] from Operation: 3*25=75 Current State: 73:[2, 75], Operations: ['76-74=2', '3*25=75'] Exploring Operation: 75-2=73, Resulting Numbers: [73] 73,73 equal: Goal Reached
4
Current State: 73:[74, 3, 25, 76], Operations: [] Exploring Operation: 3+25=28, Resulting Numbers: [74, 76, 28] Generated Node #0,0: 73:[74, 76, 28] Operation: 3+25=28 Exploring Operation: 76-3=73, Resulting Numbers: [74, 25, 73] Generated Node #0,1: 73:[74, 25, 73] Operation: 76-3=73 Exploring Operation: 74+3=77, Resulting Numbers: [25, 76, 77] Generated Node #0,2: 73:[25, 76, 77] Operation: 74+3=77 Exploring Operation: 3*25=75, Resulting Numbers: [74, 76, 75] Generated Node #0,3: 73:[74, 76, 75] Operation: 3*25=75 Exploring Operation: 74-3=71, Resulting Numbers: [25, 76, 71] Generated Node #0,4: 73:[25, 76, 71] Operation: 74-3=71 Moving to Node #0,3 Current State: 73:[74, 76, 75], Operations: ['3*25=75'] Exploring Operation: 74+75=149, Resulting Numbers: [76, 149] Generated Node #0,3,0: 73:[76, 149] Operation: 74+75=149 Exploring Operation: 75-74=1, Resulting Numbers: [76, 1] Generated Node #0,3,1: 73:[76, 1] Operation: 75-74=1 Exploring Operation: 76-75=1, Resulting Numbers: [74, 1] Generated Node #0,3,2: 73:[74, 1] Operation: 76-75=1 Exploring Operation: 74+76=150, Resulting Numbers: [75, 150] Generated Node #0,3,3: 73:[75, 150] Operation: 74+76=150 Exploring Operation: 76-74=2, Resulting Numbers: [75, 2] Generated Node #0,3,4: 73:[75, 2] Operation: 76-74=2 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 73:[74, 1], Operations: ['3*25=75', '76-75=1'] Exploring Operation: 74+1=75, Resulting Numbers: [75] 75,73 unequal: No Solution Exploring Operation: 74-1=73, Resulting Numbers: [73] 73,73 equal: Goal Reached Moving to Node #0 Current State: 73:[74, 3, 25, 76], Operations: [] Exploring Operation: 3*25=75, Resulting Numbers: [74, 76, 75] Generated Node #0,3: 73:[74, 76, 75] Operation: 3*25=75 Moving to Node #0,3 Current State: 73:[74, 76, 75], Operations: ['3*25=75'] Exploring Operation: 76-75=1, Resulting Numbers: [74, 1] Generated Node #0,3,2: 73:[74, 1] Operation: 76-75=1 Moving to Node #0,3,2 Current State: 73:[74, 1], Operations: ['3*25=75', '76-75=1'] Exploring Operation: 74-1=73, Resulting Numbers: [73] 73,73 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_5
mult_heuristic
[ 11, 30, 20, 57 ]
96
[ "30-11=19", "20+57=77", "19+77=96" ]
Current State: 96:[11, 30, 20, 57], Operations: [] Exploring Operation: 30-11=19, Resulting Numbers: [20, 57, 19] Generated Node #2: [20, 57, 19] from Operation: 30-11=19 Current State: 96:[20, 57, 19], Operations: ['30-11=19'] Exploring Operation: 20+57=77, Resulting Numbers: [19, 77] Generated Node #3: [19, 77] from Operation: 20+57=77 Current State: 96:[19, 77], Operations: ['30-11=19', '20+57=77'] Exploring Operation: 19+77=96, Resulting Numbers: [96] 96,96 equal: Goal Reached
4
Current State: 96:[11, 30, 20, 57], Operations: [] Exploring Operation: 57-20=37, Resulting Numbers: [11, 30, 37] Generated Node #0,0: 96:[11, 30, 37] Operation: 57-20=37 Exploring Operation: 57-30=27, Resulting Numbers: [11, 20, 27] Generated Node #0,1: 96:[11, 20, 27] Operation: 57-30=27 Exploring Operation: 57-11=46, Resulting Numbers: [30, 20, 46] Generated Node #0,2: 96:[30, 20, 46] Operation: 57-11=46 Moving to Node #0,0 Current State: 96:[11, 30, 37], Operations: ['57-20=37'] Exploring Operation: 37-30=7, Resulting Numbers: [11, 7] Generated Node #0,0,0: 96:[11, 7] Operation: 37-30=7 Exploring Operation: 37-11=26, Resulting Numbers: [30, 26] Generated Node #0,0,1: 96:[30, 26] Operation: 37-11=26 Exploring Operation: 11+37=48, Resulting Numbers: [30, 48] Generated Node #0,0,2: 96:[30, 48] Operation: 11+37=48 Moving to Node #0,1 Current State: 96:[11, 20, 27], Operations: ['57-30=27'] Exploring Operation: 27-20=7, Resulting Numbers: [11, 7] Generated Node #0,1,0: 96:[11, 7] Operation: 27-20=7 Exploring Operation: 11+20=31, Resulting Numbers: [27, 31] Generated Node #0,1,1: 96:[27, 31] Operation: 11+20=31 Exploring Operation: 20+27=47, Resulting Numbers: [11, 47] Generated Node #0,1,2: 96:[11, 47] Operation: 20+27=47 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 96:[11, 7], Operations: ['57-30=27', '27-20=7'] Exploring Operation: 11-7=4, Resulting Numbers: [4] 4,96 unequal: No Solution Exploring Operation: 11+7=18, Resulting Numbers: [18] 18,96 unequal: No Solution Exploring Operation: 11*7=77, Resulting Numbers: [77] 77,96 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 96:[11, 47], Operations: ['57-30=27', '20+27=47'] Exploring Operation: 11+47=58, Resulting Numbers: [58] 58,96 unequal: No Solution Exploring Operation: 47-11=36, Resulting Numbers: [36] 36,96 unequal: No Solution Exploring Operation: 11*47=517, Resulting Numbers: [517] 517,96 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 96:[27, 31], Operations: ['57-30=27', '11+20=31'] Exploring Operation: 27*31=837, Resulting Numbers: [837] 837,96 unequal: No Solution Exploring Operation: 27+31=58, Resulting Numbers: [58] 58,96 unequal: No Solution Exploring Operation: 31-27=4, Resulting Numbers: [4] 4,96 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: 96:[30, 20, 46], Operations: ['57-11=46'] Exploring Operation: 30-20=10, Resulting Numbers: [46, 10] Generated Node #0,2,0: 96:[46, 10] Operation: 30-20=10 Exploring Operation: 46-30=16, Resulting Numbers: [20, 16] Generated Node #0,2,1: 96:[20, 16] Operation: 46-30=16 Exploring Operation: 30+20=50, Resulting Numbers: [46, 50] Generated Node #0,2,2: 96:[46, 50] Operation: 30+20=50 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 96:[46, 10], Operations: ['57-11=46', '30-20=10'] Exploring Operation: 46+10=56, Resulting Numbers: [56] 56,96 unequal: No Solution Exploring Operation: 46*10=460, Resulting Numbers: [460] 460,96 unequal: No Solution Exploring Operation: 46-10=36, Resulting Numbers: [36] 36,96 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 96:[20, 16], Operations: ['57-11=46', '46-30=16'] Exploring Operation: 20+16=36, Resulting Numbers: [36] 36,96 unequal: No Solution Exploring Operation: 20*16=320, Resulting Numbers: [320] 320,96 unequal: No Solution Exploring Operation: 20-16=4, Resulting Numbers: [4] 4,96 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 96:[46, 50], Operations: ['57-11=46', '30+20=50'] Exploring Operation: 46+50=96, Resulting Numbers: [96] 96,96 equal: Goal Reached Moving to Node #0 Current State: 96:[11, 30, 20, 57], Operations: [] Exploring Operation: 57-11=46, Resulting Numbers: [30, 20, 46] Generated Node #0,2: 96:[30, 20, 46] Operation: 57-11=46 Moving to Node #0,2 Current State: 96:[30, 20, 46], Operations: ['57-11=46'] Exploring Operation: 30+20=50, Resulting Numbers: [46, 50] Generated Node #0,2,2: 96:[46, 50] Operation: 30+20=50 Moving to Node #0,2,2 Current State: 96:[46, 50], Operations: ['57-11=46', '30+20=50'] Exploring Operation: 46+50=96, Resulting Numbers: [96] 96,96 equal: Goal Reached Exit Sub Search at level 1
0.972222
hs_3
mult_heuristic
[ 16, 8, 48, 1 ]
57
[ "16-8=8", "48+1=49", "8+49=57" ]
Current State: 57:[16, 8, 48, 1], Operations: [] Exploring Operation: 16-8=8, Resulting Numbers: [48, 1, 8] Generated Node #2: [48, 1, 8] from Operation: 16-8=8 Current State: 57:[48, 1, 8], Operations: ['16-8=8'] Exploring Operation: 48+1=49, Resulting Numbers: [8, 49] Generated Node #3: [8, 49] from Operation: 48+1=49 Current State: 57:[8, 49], Operations: ['16-8=8', '48+1=49'] Exploring Operation: 8+49=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
4
Current State: 57:[16, 8, 48, 1], Operations: [] Exploring Operation: 8+48=56, Resulting Numbers: [16, 1, 56] Generated Node #0,0: 57:[16, 1, 56] Operation: 8+48=56 Exploring Operation: 48/16=3, Resulting Numbers: [8, 1, 3] Generated Node #0,1: 57:[8, 1, 3] Operation: 48/16=3 Moving to Node #0,0 Current State: 57:[16, 1, 56], Operations: ['8+48=56'] Exploring Operation: 16+1=17, Resulting Numbers: [56, 17] Generated Node #0,0,0: 57:[56, 17] Operation: 16+1=17 Exploring Operation: 1+56=57, Resulting Numbers: [16, 57] Generated Node #0,0,1: 57:[16, 57] Operation: 1+56=57 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 57:[56, 17], Operations: ['8+48=56', '16+1=17'] Exploring Operation: 56+17=73, Resulting Numbers: [73] 73,57 unequal: No Solution Exploring Operation: 56-17=39, Resulting Numbers: [39] 39,57 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 #0,0,1 Current State: 57:[16, 57], Operations: ['8+48=56', '1+56=57'] Exploring Operation: 16+57=73, Resulting Numbers: [73] 73,57 unequal: No Solution Exploring Operation: 57-16=41, Resulting Numbers: [41] 41,57 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: 57:[8, 1, 3], Operations: ['48/16=3'] Exploring Operation: 8-3=5, Resulting Numbers: [1, 5] Generated Node #0,1,0: 57:[1, 5] Operation: 8-3=5 Exploring Operation: 8-1=7, Resulting Numbers: [3, 7] Generated Node #0,1,1: 57:[3, 7] Operation: 8-1=7 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 57:[1, 5], Operations: ['48/16=3', '8-3=5'] Exploring Operation: 5-1=4, Resulting Numbers: [4] 4,57 unequal: No Solution Exploring Operation: 1*5=5, Resulting Numbers: [5] 5,57 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 #0,1,1 Current State: 57:[3, 7], Operations: ['48/16=3', '8-1=7'] Exploring Operation: 3*7=21, Resulting Numbers: [21] 21,57 unequal: No Solution Exploring Operation: 7-3=4, Resulting Numbers: [4] 4,57 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 27, 34, 53, 45 ]
56
[ "34-27=7", "53-45=8", "7*8=56" ]
Current State: 56:[27, 34, 53, 45], Operations: [] Exploring Operation: 34-27=7, Resulting Numbers: [53, 45, 7] Generated Node #2: [53, 45, 7] from Operation: 34-27=7 Current State: 56:[53, 45, 7], Operations: ['34-27=7'] Exploring Operation: 53-45=8, Resulting Numbers: [7, 8] Generated Node #3: [7, 8] from Operation: 53-45=8 Current State: 56:[7, 8], Operations: ['34-27=7', '53-45=8'] Exploring Operation: 7*8=56, Resulting Numbers: [56] 56,56 equal: Goal Reached
4
Current State: 56:[27, 34, 53, 45], Operations: [] Exploring Operation: 45-34=11, Resulting Numbers: [27, 53, 11] Generated Node #0,0: 56:[27, 53, 11] Operation: 45-34=11 Exploring Operation: 45-27=18, Resulting Numbers: [34, 53, 18] Generated Node #0,1: 56:[34, 53, 18] Operation: 45-27=18 Exploring Operation: 53-45=8, Resulting Numbers: [27, 34, 8] Generated Node #0,2: 56:[27, 34, 8] Operation: 53-45=8 Start Sub Search at level 1: Moving to Node #0,0 Current State: 56:[27, 53, 11], Operations: ['45-34=11'] Exploring Operation: 53+11=64, Resulting Numbers: [27, 64] Generated Node #0,0,0: 56:[27, 64] Operation: 53+11=64 Exploring Operation: 53-27=26, Resulting Numbers: [11, 26] Generated Node #0,0,1: 56:[11, 26] Operation: 53-27=26 Exploring Operation: 27-11=16, Resulting Numbers: [53, 16] Generated Node #0,0,2: 56:[53, 16] Operation: 27-11=16 Moving to Node #0,0,1 Current State: 56:[11, 26], Operations: ['45-34=11', '53-27=26'] Exploring Operation: 26-11=15, Resulting Numbers: [15] 15,56 unequal: No Solution Exploring Operation: 11+26=37, Resulting Numbers: [37] 37,56 unequal: No Solution Exploring Operation: 11*26=286, Resulting Numbers: [286] 286,56 unequal: No Solution Moving to Node #0,0,2 Current State: 56:[53, 16], Operations: ['45-34=11', '27-11=16'] Exploring Operation: 53*16=848, Resulting Numbers: [848] 848,56 unequal: No Solution Exploring Operation: 53+16=69, Resulting Numbers: [69] 69,56 unequal: No Solution Exploring Operation: 53-16=37, Resulting Numbers: [37] 37,56 unequal: No Solution Moving to Node #0,0,0 Current State: 56:[27, 64], Operations: ['45-34=11', '53+11=64'] Exploring Operation: 27+64=91, Resulting Numbers: [91] 91,56 unequal: No Solution Exploring Operation: 64-27=37, Resulting Numbers: [37] 37,56 unequal: No Solution Exploring Operation: 27*64=1728, Resulting Numbers: [1728] 1728,56 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 Current State: 56:[27, 34, 8], Operations: ['53-45=8'] Exploring Operation: 34-27=7, Resulting Numbers: [8, 7] Generated Node #0,2,0: 56:[8, 7] Operation: 34-27=7 Exploring Operation: 34-8=26, Resulting Numbers: [27, 26] Generated Node #0,2,1: 56:[27, 26] Operation: 34-8=26 Exploring Operation: 27+34=61, Resulting Numbers: [8, 61] Generated Node #0,2,2: 56:[8, 61] Operation: 27+34=61 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 56:[8, 7], Operations: ['53-45=8', '34-27=7'] Exploring Operation: 8+7=15, Resulting Numbers: [15] 15,56 unequal: No Solution Exploring Operation: 8*7=56, Resulting Numbers: [56] 56,56 equal: Goal Reached Moving to Node #0 Current State: 56:[27, 34, 53, 45], Operations: [] Exploring Operation: 53-45=8, Resulting Numbers: [27, 34, 8] Generated Node #0,2: 56:[27, 34, 8] Operation: 53-45=8 Moving to Node #0,2 Current State: 56:[27, 34, 8], Operations: ['53-45=8'] Exploring Operation: 34-27=7, Resulting Numbers: [8, 7] Generated Node #0,2,0: 56:[8, 7] Operation: 34-27=7 Moving to Node #0,2,0 Current State: 56:[8, 7], Operations: ['53-45=8', '34-27=7'] Exploring Operation: 8*7=56, Resulting Numbers: [56] 56,56 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.979167
hs_3
mult_heuristic
[ 5, 49, 93, 58 ]
97
[ "5+49=54", "93+58=151", "151-54=97" ]
Current State: 97:[5, 49, 93, 58], Operations: [] Exploring Operation: 5+49=54, Resulting Numbers: [93, 58, 54] Generated Node #2: [93, 58, 54] from Operation: 5+49=54 Current State: 97:[93, 58, 54], Operations: ['5+49=54'] Exploring Operation: 93+58=151, Resulting Numbers: [54, 151] Generated Node #3: [54, 151] from Operation: 93+58=151 Current State: 97:[54, 151], Operations: ['5+49=54', '93+58=151'] Exploring Operation: 151-54=97, Resulting Numbers: [97] 97,97 equal: Goal Reached
4
Current State: 97:[5, 49, 93, 58], Operations: [] Exploring Operation: 49-5=44, Resulting Numbers: [93, 58, 44] Generated Node #0,0: 97:[93, 58, 44] Operation: 49-5=44 Exploring Operation: 5+93=98, Resulting Numbers: [49, 58, 98] Generated Node #0,1: 97:[49, 58, 98] Operation: 5+93=98 Exploring Operation: 5+58=63, Resulting Numbers: [49, 93, 63] Generated Node #0,2: 97:[49, 93, 63] Operation: 5+58=63 Exploring Operation: 5+49=54, Resulting Numbers: [93, 58, 54] Generated Node #0,3: 97:[93, 58, 54] Operation: 5+49=54 Moving to Node #0,2 Current State: 97:[49, 93, 63], Operations: ['5+58=63'] Exploring Operation: 93-49=44, Resulting Numbers: [63, 44] Generated Node #0,2,0: 97:[63, 44] Operation: 93-49=44 Exploring Operation: 63-49=14, Resulting Numbers: [93, 14] Generated Node #0,2,1: 97:[93, 14] Operation: 63-49=14 Exploring Operation: 49+93=142, Resulting Numbers: [63, 142] Generated Node #0,2,2: 97:[63, 142] Operation: 49+93=142 Exploring Operation: 49+63=112, Resulting Numbers: [93, 112] Generated Node #0,2,3: 97:[93, 112] Operation: 49+63=112 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 97:[93, 112], Operations: ['5+58=63', '49+63=112'] Exploring Operation: 112-93=19, Resulting Numbers: [19] 19,97 unequal: No Solution Exploring Operation: 93*112=10416, Resulting Numbers: [10416] 10416,97 unequal: No Solution Exploring Operation: 93+112=205, Resulting Numbers: [205] 205,97 unequal: No Solution No 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: 97:[63, 142], Operations: ['5+58=63', '49+93=142'] Exploring Operation: 63*142=8946, Resulting Numbers: [8946] 8946,97 unequal: No Solution Exploring Operation: 63+142=205, Resulting Numbers: [205] 205,97 unequal: No Solution Exploring Operation: 142-63=79, Resulting Numbers: [79] 79,97 unequal: No Solution No 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: 97:[63, 44], Operations: ['5+58=63', '93-49=44'] Exploring Operation: 63-44=19, Resulting Numbers: [19] 19,97 unequal: No Solution Exploring Operation: 63+44=107, Resulting Numbers: [107] 107,97 unequal: No Solution Exploring Operation: 63*44=2772, Resulting Numbers: [2772] 2772,97 unequal: No Solution No 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: 97:[93, 14], Operations: ['5+58=63', '63-49=14'] Exploring Operation: 93-14=79, Resulting Numbers: [79] 79,97 unequal: No Solution Exploring Operation: 93+14=107, Resulting Numbers: [107] 107,97 unequal: No Solution Exploring Operation: 93*14=1302, Resulting Numbers: [1302] 1302,97 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: 97:[93, 58, 54], Operations: ['5+49=54'] Exploring Operation: 93+54=147, Resulting Numbers: [58, 147] Generated Node #0,3,0: 97:[58, 147] Operation: 93+54=147 Exploring Operation: 58+54=112, Resulting Numbers: [93, 112] Generated Node #0,3,1: 97:[93, 112] Operation: 58+54=112 Exploring Operation: 93+58=151, Resulting Numbers: [54, 151] Generated Node #0,3,2: 97:[54, 151] Operation: 93+58=151 Exploring Operation: 93-54=39, Resulting Numbers: [58, 39] Generated Node #0,3,3: 97:[58, 39] Operation: 93-54=39 Moving to Node #0,1 Current State: 97:[49, 58, 98], Operations: ['5+93=98'] Exploring Operation: 49+58=107, Resulting Numbers: [98, 107] Generated Node #0,1,0: 97:[98, 107] Operation: 49+58=107 Exploring Operation: 98-49=49, Resulting Numbers: [58, 49] Generated Node #0,1,1: 97:[58, 49] Operation: 98-49=49 Exploring Operation: 49+98=147, Resulting Numbers: [58, 147] Generated Node #0,1,2: 97:[58, 147] Operation: 49+98=147 Exploring Operation: 58-49=9, Resulting Numbers: [98, 9] Generated Node #0,1,3: 97:[98, 9] Operation: 58-49=9 Moving to Node #0,0 Current State: 97:[93, 58, 44], Operations: ['49-5=44'] Exploring Operation: 93+44=137, Resulting Numbers: [58, 137] Generated Node #0,0,0: 97:[58, 137] Operation: 93+44=137 Exploring Operation: 58+44=102, Resulting Numbers: [93, 102] Generated Node #0,0,1: 97:[93, 102] Operation: 58+44=102 Exploring Operation: 93-44=49, Resulting Numbers: [58, 49] Generated Node #0,0,2: 97:[58, 49] Operation: 93-44=49 Exploring Operation: 58-44=14, Resulting Numbers: [93, 14] Generated Node #0,0,3: 97:[93, 14] Operation: 58-44=14 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 97:[93, 102], Operations: ['49-5=44', '58+44=102'] Exploring Operation: 102-93=9, Resulting Numbers: [9] 9,97 unequal: No Solution Exploring Operation: 93+102=195, Resulting Numbers: [195] 195,97 unequal: No Solution Exploring Operation: 93*102=9486, Resulting Numbers: [9486] 9486,97 unequal: No Solution No 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: 97:[58, 137], Operations: ['49-5=44', '93+44=137'] Exploring Operation: 58*137=7946, Resulting Numbers: [7946] 7946,97 unequal: No Solution Exploring Operation: 58+137=195, Resulting Numbers: [195] 195,97 unequal: No Solution Exploring Operation: 137-58=79, Resulting Numbers: [79] 79,97 unequal: No Solution No 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: 97:[58, 49], Operations: ['49-5=44', '93-44=49'] Exploring Operation: 58*49=2842, Resulting Numbers: [2842] 2842,97 unequal: No Solution Exploring Operation: 58+49=107, Resulting Numbers: [107] 107,97 unequal: No Solution Exploring Operation: 58-49=9, Resulting Numbers: [9] 9,97 unequal: No Solution No 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: 97:[93, 14], Operations: ['49-5=44', '58-44=14'] Exploring Operation: 93*14=1302, Resulting Numbers: [1302] 1302,97 unequal: No Solution Exploring Operation: 93+14=107, Resulting Numbers: [107] 107,97 unequal: No Solution Exploring Operation: 93-14=79, Resulting Numbers: [79] 79,97 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: 97:[98, 107], Operations: ['5+93=98', '49+58=107'] Exploring Operation: 98+107=205, Resulting Numbers: [205] 205,97 unequal: No Solution Exploring Operation: 107-98=9, Resulting Numbers: [9] 9,97 unequal: No Solution Exploring Operation: 98*107=10486, Resulting Numbers: [10486] 10486,97 unequal: No Solution Moving to Node #0,3,1 Current State: 97:[93, 112], Operations: ['5+49=54', '58+54=112'] Exploring Operation: 93+112=205, Resulting Numbers: [205] 205,97 unequal: No Solution Exploring Operation: 112-93=19, Resulting Numbers: [19] 19,97 unequal: No Solution Exploring Operation: 93*112=10416, Resulting Numbers: [10416] 10416,97 unequal: No Solution Moving to Node #0,1,1 Current State: 97:[58, 49], Operations: ['5+93=98', '98-49=49'] Exploring Operation: 58-49=9, Resulting Numbers: [9] 9,97 unequal: No Solution Exploring Operation: 58+49=107, Resulting Numbers: [107] 107,97 unequal: No Solution Exploring Operation: 58*49=2842, Resulting Numbers: [2842] 2842,97 unequal: No Solution Moving to Node #0,1,2 Current State: 97:[58, 147], Operations: ['5+93=98', '49+98=147'] Exploring Operation: 58+147=205, Resulting Numbers: [205] 205,97 unequal: No Solution Exploring Operation: 147-58=89, Resulting Numbers: [89] 89,97 unequal: No Solution Exploring Operation: 58*147=8526, Resulting Numbers: [8526] 8526,97 unequal: No Solution Moving to Node #0,3,0 Current State: 97:[58, 147], Operations: ['5+49=54', '93+54=147'] Exploring Operation: 58+147=205, Resulting Numbers: [205] 205,97 unequal: No Solution Exploring Operation: 147-58=89, Resulting Numbers: [89] 89,97 unequal: No Solution Exploring Operation: 58*147=8526, Resulting Numbers: [8526] 8526,97 unequal: No Solution Moving to Node #0,1,3 Current State: 97:[98, 9], Operations: ['5+93=98', '58-49=9'] Exploring Operation: 98-9=89, Resulting Numbers: [89] 89,97 unequal: No Solution Exploring Operation: 98*9=882, Resulting Numbers: [882] 882,97 unequal: No Solution Exploring Operation: 98+9=107, Resulting Numbers: [107] 107,97 unequal: No Solution Moving to Node #0,3,3 Current State: 97:[58, 39], Operations: ['5+49=54', '93-54=39'] Exploring Operation: 58+39=97, Resulting Numbers: [97] 97,97 equal: Goal Reached Moving to Node #0 Current State: 97:[5, 49, 93, 58], Operations: [] Exploring Operation: 5+49=54, Resulting Numbers: [93, 58, 54] Generated Node #0,3: 97:[93, 58, 54] Operation: 5+49=54 Moving to Node #0,3 Current State: 97:[93, 58, 54], Operations: ['5+49=54'] Exploring Operation: 93-54=39, Resulting Numbers: [58, 39] Generated Node #0,3,3: 97:[58, 39] Operation: 93-54=39 Moving to Node #0,3,3 Current State: 97:[58, 39], Operations: ['5+49=54', '93-54=39'] Exploring Operation: 58+39=97, Resulting Numbers: [97] 97,97 equal: Goal Reached
0.94184
hs_4
sum_heuristic
[ 72, 52, 12, 76 ]
30
[ "72/12=6", "76-52=24", "6+24=30" ]
Current State: 30:[72, 52, 12, 76], Operations: [] Exploring Operation: 72/12=6, Resulting Numbers: [52, 76, 6] Generated Node #2: [52, 76, 6] from Operation: 72/12=6 Current State: 30:[52, 76, 6], Operations: ['72/12=6'] Exploring Operation: 76-52=24, Resulting Numbers: [6, 24] Generated Node #3: [6, 24] from Operation: 76-52=24 Current State: 30:[6, 24], Operations: ['72/12=6', '76-52=24'] Exploring Operation: 6+24=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
4
Current State: 30:[72, 52, 12, 76], Operations: [] Exploring Operation: 76-52=24, Resulting Numbers: [72, 12, 24] Generated Node #0,0: 30:[72, 12, 24] Operation: 76-52=24 Exploring Operation: 76-72=4, Resulting Numbers: [52, 12, 4] Generated Node #0,1: 30:[52, 12, 4] Operation: 76-72=4 Exploring Operation: 72-52=20, Resulting Numbers: [12, 76, 20] Generated Node #0,2: 30:[12, 76, 20] Operation: 72-52=20 Start Sub Search at level 1: Moving to Node #0,1 Current State: 30:[52, 12, 4], Operations: ['76-72=4'] Exploring Operation: 52/4=13, Resulting Numbers: [12, 13] Generated Node #0,1,0: 30:[12, 13] Operation: 52/4=13 Exploring Operation: 52-12=40, Resulting Numbers: [4, 40] Generated Node #0,1,1: 30:[4, 40] Operation: 52-12=40 Exploring Operation: 52-4=48, Resulting Numbers: [12, 48] Generated Node #0,1,2: 30:[12, 48] Operation: 52-4=48 Moving to Node #0,1,0 Current State: 30:[12, 13], Operations: ['76-72=4', '52/4=13'] Exploring Operation: 12*13=156, Resulting Numbers: [156] 156,30 unequal: No Solution Exploring Operation: 12+13=25, Resulting Numbers: [25] 25,30 unequal: No Solution Exploring Operation: 13-12=1, Resulting Numbers: [1] 1,30 unequal: No Solution Moving to Node #0,1,1 Current State: 30:[4, 40], Operations: ['76-72=4', '52-12=40'] Exploring Operation: 4+40=44, Resulting Numbers: [44] 44,30 unequal: No Solution Exploring Operation: 40-4=36, Resulting Numbers: [36] 36,30 unequal: No Solution Exploring Operation: 40/4=10, Resulting Numbers: [10] 10,30 unequal: No Solution Moving to Node #0,1,2 Current State: 30:[12, 48], Operations: ['76-72=4', '52-4=48'] Exploring Operation: 48/12=4, Resulting Numbers: [4] 4,30 unequal: No Solution Exploring Operation: 48-12=36, Resulting Numbers: [36] 36,30 unequal: No Solution Exploring Operation: 12+48=60, Resulting Numbers: [60] 60,30 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 #0,0 Current State: 30:[72, 12, 24], Operations: ['76-52=24'] Exploring Operation: 72-24=48, Resulting Numbers: [12, 48] Generated Node #0,0,0: 30:[12, 48] Operation: 72-24=48 Exploring Operation: 72/24=3, Resulting Numbers: [12, 3] Generated Node #0,0,1: 30:[12, 3] Operation: 72/24=3 Exploring Operation: 72/12=6, Resulting Numbers: [24, 6] Generated Node #0,0,2: 30:[24, 6] Operation: 72/12=6 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 30:[12, 3], Operations: ['76-52=24', '72/24=3'] Exploring Operation: 12/3=4, Resulting Numbers: [4] 4,30 unequal: No Solution Exploring Operation: 12+3=15, Resulting Numbers: [15] 15,30 unequal: No Solution Exploring Operation: 12-3=9, Resulting Numbers: [9] 9,30 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 30:[24, 6], Operations: ['76-52=24', '72/12=6'] Exploring Operation: 24+6=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Moving to Node #0 Current State: 30:[72, 52, 12, 76], Operations: [] Exploring Operation: 76-52=24, Resulting Numbers: [72, 12, 24] Generated Node #0,0: 30:[72, 12, 24] Operation: 76-52=24 Moving to Node #0,0 Current State: 30:[72, 12, 24], Operations: ['76-52=24'] Exploring Operation: 72/12=6, Resulting Numbers: [24, 6] Generated Node #0,0,2: 30:[24, 6] Operation: 72/12=6 Moving to Node #0,0,2 Current State: 30:[24, 6], Operations: ['76-52=24', '72/12=6'] Exploring Operation: 24+6=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.977431
hs_3
sum_heuristic
[ 96, 71, 20, 96 ]
91
[ "96+71=167", "96-20=76", "167-76=91" ]
Current State: 91:[96, 71, 20, 96], Operations: [] Exploring Operation: 96+71=167, Resulting Numbers: [20, 167] Generated Node #2: [20, 167] from Operation: 96+71=167 Current State: 91:[20, 167], Operations: ['96+71=167'] Exploring Operation: 96-20=76, Resulting Numbers: [167, 76] Generated Node #3: [167, 76] from Operation: 96-20=76 Current State: 91:[167, 76], Operations: ['96+71=167', '96-20=76'] Exploring Operation: 167-76=91, Resulting Numbers: [91] 91,91 equal: Goal Reached
4
Current State: 91:[96, 71, 20, 96], Operations: [] Exploring Operation: 71+20=91, Resulting Numbers: [96, 96, 91] Generated Node #0,0: 91:[96, 96, 91] Operation: 71+20=91 Start Sub Search at level 1: Moving to Node #0,0 Current State: 91:[96, 96, 91], Operations: ['71+20=91'] Exploring Operation: 96/96=1, Resulting Numbers: [91, 1] Generated Node #0,0,0: 91:[91, 1] Operation: 96/96=1 Moving to Node #0,0,0 Current State: 91:[91, 1], Operations: ['71+20=91', '96/96=1'] Exploring Operation: 91*1=91, Resulting Numbers: [91] 91,91 equal: Goal Reached Moving to Node #0 Current State: 91:[96, 71, 20, 96], Operations: [] Exploring Operation: 71+20=91, Resulting Numbers: [96, 96, 91] Generated Node #0,0: 91:[96, 96, 91] Operation: 71+20=91 Moving to Node #0,0 Current State: 91:[96, 96, 91], Operations: ['71+20=91'] Exploring Operation: 96/96=1, Resulting Numbers: [91, 1] Generated Node #0,0,0: 91:[91, 1] Operation: 96/96=1 Moving to Node #0,0,0 Current State: 91:[91, 1], Operations: ['71+20=91', '96/96=1'] Exploring Operation: 91*1=91, Resulting Numbers: [91] 91,91 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 37, 7, 70, 98 ]
63
[ "37+70=107", "107-98=9", "7*9=63" ]
Current State: 63:[37, 7, 70, 98], Operations: [] Exploring Operation: 37+70=107, Resulting Numbers: [7, 98, 107] Generated Node #2: [7, 98, 107] from Operation: 37+70=107 Current State: 63:[7, 98, 107], Operations: ['37+70=107'] Exploring Operation: 107-98=9, Resulting Numbers: [7, 9] Generated Node #3: [7, 9] from Operation: 107-98=9 Current State: 63:[7, 9], Operations: ['37+70=107', '107-98=9'] Exploring Operation: 7*9=63, Resulting Numbers: [63] 63,63 equal: Goal Reached
4
Current State: 63:[37, 7, 70, 98], Operations: [] Exploring Operation: 98-37=61, Resulting Numbers: [7, 70, 61] Generated Node #0,0: 63:[7, 70, 61] Operation: 98-37=61 Moving to Node #0,0 Current State: 63:[7, 70, 61], Operations: ['98-37=61'] Exploring Operation: 70-61=9, Resulting Numbers: [7, 9] Generated Node #0,0,0: 63:[7, 9] Operation: 70-61=9 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 63:[7, 9], Operations: ['98-37=61', '70-61=9'] Exploring Operation: 7*9=63, Resulting Numbers: [63] 63,63 equal: Goal Reached Moving to Node #0 Current State: 63:[37, 7, 70, 98], Operations: [] Exploring Operation: 98-37=61, Resulting Numbers: [7, 70, 61] Generated Node #0,0: 63:[7, 70, 61] Operation: 98-37=61 Moving to Node #0,0 Current State: 63:[7, 70, 61], Operations: ['98-37=61'] Exploring Operation: 70-61=9, Resulting Numbers: [7, 9] Generated Node #0,0,0: 63:[7, 9] Operation: 70-61=9 Moving to Node #0,0,0 Current State: 63:[7, 9], Operations: ['98-37=61', '70-61=9'] Exploring Operation: 7*9=63, Resulting Numbers: [63] 63,63 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 23, 7, 28, 8 ]
25
[ "28/7=4", "8/4=2", "23+2=25" ]
Current State: 25:[23, 7, 28, 8], Operations: [] Exploring Operation: 28/7=4, Resulting Numbers: [23, 8, 4] Generated Node #2: [23, 8, 4] from Operation: 28/7=4 Current State: 25:[23, 8, 4], Operations: ['28/7=4'] Exploring Operation: 8/4=2, Resulting Numbers: [23, 2] Generated Node #3: [23, 2] from Operation: 8/4=2 Current State: 25:[23, 2], Operations: ['28/7=4', '8/4=2'] Exploring Operation: 23+2=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[23, 7, 28, 8], Operations: [] Exploring Operation: 28-7=21, Resulting Numbers: [23, 8, 21] Generated Node #0,0: 25:[23, 8, 21] Operation: 28-7=21 Exploring Operation: 28/7=4, Resulting Numbers: [23, 8, 4] Generated Node #0,1: 25:[23, 8, 4] Operation: 28/7=4 Exploring Operation: 28-23=5, Resulting Numbers: [7, 8, 5] Generated Node #0,2: 25:[7, 8, 5] Operation: 28-23=5 Start Sub Search at level 1: Moving to Node #0,2 Current State: 25:[7, 8, 5], Operations: ['28-23=5'] Exploring Operation: 8-7=1, Resulting Numbers: [5, 1] Generated Node #0,2,0: 25:[5, 1] Operation: 8-7=1 Exploring Operation: 7-5=2, Resulting Numbers: [8, 2] Generated Node #0,2,1: 25:[8, 2] Operation: 7-5=2 Exploring Operation: 8-5=3, Resulting Numbers: [7, 3] Generated Node #0,2,2: 25:[7, 3] Operation: 8-5=3 Moving to Node #0,2,0 Current State: 25:[5, 1], Operations: ['28-23=5', '8-7=1'] Exploring Operation: 5+1=6, Resulting Numbers: [6] 6,25 unequal: No Solution Exploring Operation: 5*1=5, Resulting Numbers: [5] 5,25 unequal: No Solution Exploring Operation: 5/1=5, Resulting Numbers: [5] 5,25 unequal: No Solution Moving to Node #0,2,2 Current State: 25:[7, 3], Operations: ['28-23=5', '8-5=3'] Exploring Operation: 7-3=4, Resulting Numbers: [4] 4,25 unequal: No Solution Exploring Operation: 7*3=21, Resulting Numbers: [21] 21,25 unequal: No Solution Exploring Operation: 7+3=10, Resulting Numbers: [10] 10,25 unequal: No Solution Moving to Node #0,2,1 Current State: 25:[8, 2], Operations: ['28-23=5', '7-5=2'] Exploring Operation: 8+2=10, Resulting Numbers: [10] 10,25 unequal: No Solution Exploring Operation: 8/2=4, Resulting Numbers: [4] 4,25 unequal: No Solution Exploring Operation: 8-2=6, Resulting Numbers: [6] 6,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 25:[23, 8, 4], Operations: ['28/7=4'] Exploring Operation: 8-4=4, Resulting Numbers: [23, 4] Generated Node #0,1,0: 25:[23, 4] Operation: 8-4=4 Exploring Operation: 23+4=27, Resulting Numbers: [8, 27] Generated Node #0,1,1: 25:[8, 27] Operation: 23+4=27 Exploring Operation: 8/4=2, Resulting Numbers: [23, 2] Generated Node #0,1,2: 25:[23, 2] Operation: 8/4=2 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 25:[23, 4], Operations: ['28/7=4', '8-4=4'] Exploring Operation: 23+4=27, Resulting Numbers: [27] 27,25 unequal: No Solution Exploring Operation: 23*4=92, Resulting Numbers: [92] 92,25 unequal: No Solution Exploring Operation: 23-4=19, Resulting Numbers: [19] 19,25 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 25:[8, 27], Operations: ['28/7=4', '23+4=27'] Exploring Operation: 8*27=216, Resulting Numbers: [216] 216,25 unequal: No Solution Exploring Operation: 27-8=19, Resulting Numbers: [19] 19,25 unequal: No Solution Exploring Operation: 8+27=35, Resulting Numbers: [35] 35,25 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 25:[23, 2], Operations: ['28/7=4', '8/4=2'] Exploring Operation: 23+2=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Moving to Node #0 Current State: 25:[23, 7, 28, 8], Operations: [] Exploring Operation: 28/7=4, Resulting Numbers: [23, 8, 4] Generated Node #0,1: 25:[23, 8, 4] Operation: 28/7=4 Moving to Node #0,1 Current State: 25:[23, 8, 4], Operations: ['28/7=4'] Exploring Operation: 8/4=2, Resulting Numbers: [23, 2] Generated Node #0,1,2: 25:[23, 2] Operation: 8/4=2 Moving to Node #0,1,2 Current State: 25:[23, 2], Operations: ['28/7=4', '8/4=2'] Exploring Operation: 23+2=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.974826
hs_3
sum_heuristic
[ 24, 99, 42, 99 ]
18
[ "24+99=123", "42+99=141", "141-123=18" ]
Current State: 18:[24, 99, 42, 99], Operations: [] Exploring Operation: 24+99=123, Resulting Numbers: [42, 123] Generated Node #2: [42, 123] from Operation: 24+99=123 Current State: 18:[42, 123], Operations: ['24+99=123'] Exploring Operation: 42+99=141, Resulting Numbers: [123, 141] Generated Node #3: [123, 141] from Operation: 42+99=141 Current State: 18:[123, 141], Operations: ['24+99=123', '42+99=141'] Exploring Operation: 141-123=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[24, 99, 42, 99], Operations: [] Exploring Operation: 99-42=57, Resulting Numbers: [24, 99, 57] Generated Node #0,0: 18:[24, 99, 57] Operation: 99-42=57 Exploring Operation: 99/99=1, Resulting Numbers: [24, 42, 1] Generated Node #0,1: 18:[24, 42, 1] Operation: 99/99=1 Exploring Operation: 99-24=75, Resulting Numbers: [42, 99, 75] Generated Node #0,2: 18:[42, 99, 75] Operation: 99-24=75 Exploring Operation: 99-99=0, Resulting Numbers: [24, 42, 0] Generated Node #0,3: 18:[24, 42, 0] Operation: 99-99=0 Exploring Operation: 99-42=57, Resulting Numbers: [24, 99, 57] Generated Node #0,4: 18:[24, 99, 57] Operation: 99-42=57 Moving to Node #0,1 Current State: 18:[24, 42, 1], Operations: ['99/99=1'] Exploring Operation: 42-1=41, Resulting Numbers: [24, 41] Generated Node #0,1,0: 18:[24, 41] Operation: 42-1=41 Exploring Operation: 42-24=18, Resulting Numbers: [1, 18] Generated Node #0,1,1: 18:[1, 18] Operation: 42-24=18 Exploring Operation: 24-1=23, Resulting Numbers: [42, 23] Generated Node #0,1,2: 18:[42, 23] Operation: 24-1=23 Exploring Operation: 24*1=24, Resulting Numbers: [42, 24] Generated Node #0,1,3: 18:[42, 24] Operation: 24*1=24 Exploring Operation: 24/1=24, Resulting Numbers: [42, 24] Generated Node #0,1,4: 18:[42, 24] Operation: 24/1=24 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 18:[1, 18], Operations: ['99/99=1', '42-24=18'] Exploring Operation: 18-1=17, Resulting Numbers: [17] 17,18 unequal: No Solution Exploring Operation: 18/1=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Moving to Node #0 Current State: 18:[24, 99, 42, 99], Operations: [] Exploring Operation: 99/99=1, Resulting Numbers: [24, 42, 1] Generated Node #0,1: 18:[24, 42, 1] Operation: 99/99=1 Moving to Node #0,1 Current State: 18:[24, 42, 1], Operations: ['99/99=1'] Exploring Operation: 42-24=18, Resulting Numbers: [1, 18] Generated Node #0,1,1: 18:[1, 18] Operation: 42-24=18 Moving to Node #0,1,1 Current State: 18:[1, 18], Operations: ['99/99=1', '42-24=18'] Exploring Operation: 18/1=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_5
mult_heuristic
[ 42, 49, 38, 61 ]
98
[ "61-42=19", "49*38=1862", "1862/19=98" ]
Current State: 98:[42, 49, 38, 61], Operations: [] Exploring Operation: 61-42=19, Resulting Numbers: [49, 38, 19] Generated Node #2: [49, 38, 19] from Operation: 61-42=19 Current State: 98:[49, 38, 19], Operations: ['61-42=19'] Exploring Operation: 49*38=1862, Resulting Numbers: [19, 1862] Generated Node #3: [19, 1862] from Operation: 49*38=1862 Current State: 98:[19, 1862], Operations: ['61-42=19', '49*38=1862'] Exploring Operation: 1862/19=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
4
Current State: 98:[42, 49, 38, 61], Operations: [] Exploring Operation: 38+61=99, Resulting Numbers: [42, 49, 99] Generated Node #0,0: 98:[42, 49, 99] Operation: 38+61=99 Exploring Operation: 42+61=103, Resulting Numbers: [49, 38, 103] Generated Node #0,1: 98:[49, 38, 103] Operation: 42+61=103 Exploring Operation: 61-38=23, Resulting Numbers: [42, 49, 23] Generated Node #0,2: 98:[42, 49, 23] Operation: 61-38=23 Exploring Operation: 42-38=4, Resulting Numbers: [49, 61, 4] Generated Node #0,3: 98:[49, 61, 4] Operation: 42-38=4 Exploring Operation: 61-42=19, Resulting Numbers: [49, 38, 19] Generated Node #0,4: 98:[49, 38, 19] Operation: 61-42=19 Moving to Node #0,0 Current State: 98:[42, 49, 99], Operations: ['38+61=99'] Exploring Operation: 42+99=141, Resulting Numbers: [49, 141] Generated Node #0,0,0: 98:[49, 141] Operation: 42+99=141 Exploring Operation: 49-42=7, Resulting Numbers: [99, 7] Generated Node #0,0,1: 98:[99, 7] Operation: 49-42=7 Exploring Operation: 42+49=91, Resulting Numbers: [99, 91] Generated Node #0,0,2: 98:[99, 91] Operation: 42+49=91 Exploring Operation: 99-49=50, Resulting Numbers: [42, 50] Generated Node #0,0,3: 98:[42, 50] Operation: 99-49=50 Exploring Operation: 99-42=57, Resulting Numbers: [49, 57] Generated Node #0,0,4: 98:[49, 57] Operation: 99-42=57 Moving to Node #0,3 Current State: 98:[49, 61, 4], Operations: ['42-38=4'] Exploring Operation: 61-49=12, Resulting Numbers: [4, 12] Generated Node #0,3,0: 98:[4, 12] Operation: 61-49=12 Exploring Operation: 49+4=53, Resulting Numbers: [61, 53] Generated Node #0,3,1: 98:[61, 53] Operation: 49+4=53 Exploring Operation: 61-4=57, Resulting Numbers: [49, 57] Generated Node #0,3,2: 98:[49, 57] Operation: 61-4=57 Exploring Operation: 49+61=110, Resulting Numbers: [4, 110] Generated Node #0,3,3: 98:[4, 110] Operation: 49+61=110 Exploring Operation: 49-4=45, Resulting Numbers: [61, 45] Generated Node #0,3,4: 98:[61, 45] Operation: 49-4=45 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 98:[4, 12], Operations: ['42-38=4', '61-49=12'] Exploring Operation: 4+12=16, Resulting Numbers: [16] 16,98 unequal: No Solution Exploring Operation: 4*12=48, Resulting Numbers: [48] 48,98 unequal: No Solution Exploring Operation: 12-4=8, Resulting Numbers: [8] 8,98 unequal: No Solution Exploring Operation: 12/4=3, Resulting Numbers: [3] 3,98 unequal: No Solution No 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: 98:[49, 57], Operations: ['42-38=4', '61-4=57'] Exploring Operation: 49*57=2793, Resulting Numbers: [2793] 2793,98 unequal: No Solution Exploring Operation: 57-49=8, Resulting Numbers: [8] 8,98 unequal: No Solution Exploring Operation: 49+57=106, Resulting Numbers: [106] 106,98 unequal: No Solution No 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: 98:[4, 110], Operations: ['42-38=4', '49+61=110'] Exploring Operation: 4+110=114, Resulting Numbers: [114] 114,98 unequal: No Solution Exploring Operation: 110-4=106, Resulting Numbers: [106] 106,98 unequal: No Solution Exploring Operation: 4*110=440, Resulting Numbers: [440] 440,98 unequal: No Solution No 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: 98:[61, 53], Operations: ['42-38=4', '49+4=53'] Exploring Operation: 61+53=114, Resulting Numbers: [114] 114,98 unequal: No Solution Exploring Operation: 61*53=3233, Resulting Numbers: [3233] 3233,98 unequal: No Solution Exploring Operation: 61-53=8, Resulting Numbers: [8] 8,98 unequal: No Solution No 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: 98:[61, 45], Operations: ['42-38=4', '49-4=45'] Exploring Operation: 61*45=2745, Resulting Numbers: [2745] 2745,98 unequal: No Solution Exploring Operation: 61-45=16, Resulting Numbers: [16] 16,98 unequal: No Solution Exploring Operation: 61+45=106, Resulting Numbers: [106] 106,98 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: 98:[49, 38, 103], Operations: ['42+61=103'] Exploring Operation: 49-38=11, Resulting Numbers: [103, 11] Generated Node #0,1,0: 98:[103, 11] Operation: 49-38=11 Exploring Operation: 49+38=87, Resulting Numbers: [103, 87] Generated Node #0,1,1: 98:[103, 87] Operation: 49+38=87 Exploring Operation: 103-49=54, Resulting Numbers: [38, 54] Generated Node #0,1,2: 98:[38, 54] Operation: 103-49=54 Exploring Operation: 38+103=141, Resulting Numbers: [49, 141] Generated Node #0,1,3: 98:[49, 141] Operation: 38+103=141 Exploring Operation: 103-38=65, Resulting Numbers: [49, 65] Generated Node #0,1,4: 98:[49, 65] Operation: 103-38=65 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 98:[103, 11], Operations: ['42+61=103', '49-38=11'] Exploring Operation: 103-11=92, Resulting Numbers: [92] 92,98 unequal: No Solution Exploring Operation: 103+11=114, Resulting Numbers: [114] 114,98 unequal: No Solution Exploring Operation: 103*11=1133, Resulting Numbers: [1133] 1133,98 unequal: No Solution No solution 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: 98:[103, 87], Operations: ['42+61=103', '49+38=87'] Exploring Operation: 103*87=8961, Resulting Numbers: [8961] 8961,98 unequal: No Solution Exploring Operation: 103+87=190, Resulting Numbers: [190] 190,98 unequal: No Solution Exploring Operation: 103-87=16, Resulting Numbers: [16] 16,98 unequal: No Solution No solution 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: 98:[38, 54], Operations: ['42+61=103', '103-49=54'] Exploring Operation: 38+54=92, Resulting Numbers: [92] 92,98 unequal: No Solution Exploring Operation: 38*54=2052, Resulting Numbers: [2052] 2052,98 unequal: No Solution Exploring Operation: 54-38=16, Resulting Numbers: [16] 16,98 unequal: No Solution No solution 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: 98:[49, 65], Operations: ['42+61=103', '103-38=65'] Exploring Operation: 49+65=114, Resulting Numbers: [114] 114,98 unequal: No Solution Exploring Operation: 49*65=3185, Resulting Numbers: [3185] 3185,98 unequal: No Solution Exploring Operation: 65-49=16, Resulting Numbers: [16] 16,98 unequal: No Solution No solution 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: 98:[49, 141], Operations: ['42+61=103', '38+103=141'] Exploring Operation: 49*141=6909, Resulting Numbers: [6909] 6909,98 unequal: No Solution Exploring Operation: 141-49=92, Resulting Numbers: [92] 92,98 unequal: No Solution Exploring Operation: 49+141=190, Resulting Numbers: [190] 190,98 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: 98:[42, 49, 23], Operations: ['61-38=23'] Exploring Operation: 49-23=26, Resulting Numbers: [42, 26] Generated Node #0,2,0: 98:[42, 26] Operation: 49-23=26 Exploring Operation: 42+23=65, Resulting Numbers: [49, 65] Generated Node #0,2,1: 98:[49, 65] Operation: 42+23=65 Exploring Operation: 42+49=91, Resulting Numbers: [23, 91] Generated Node #0,2,2: 98:[23, 91] Operation: 42+49=91 Exploring Operation: 42-23=19, Resulting Numbers: [49, 19] Generated Node #0,2,3: 98:[49, 19] Operation: 42-23=19 Exploring Operation: 49-42=7, Resulting Numbers: [23, 7] Generated Node #0,2,4: 98:[23, 7] Operation: 49-42=7 Moving to Node #0,4 Current State: 98:[49, 38, 19], Operations: ['61-42=19'] Exploring Operation: 49+38=87, Resulting Numbers: [19, 87] Generated Node #0,4,0: 98:[19, 87] Operation: 49+38=87 Exploring Operation: 38-19=19, Resulting Numbers: [49, 19] Generated Node #0,4,1: 98:[49, 19] Operation: 38-19=19 Exploring Operation: 38+19=57, Resulting Numbers: [49, 57] Generated Node #0,4,2: 98:[49, 57] Operation: 38+19=57 Exploring Operation: 38/19=2, Resulting Numbers: [49, 2] Generated Node #0,4,3: 98:[49, 2] Operation: 38/19=2 Exploring Operation: 49-38=11, Resulting Numbers: [19, 11] Generated Node #0,4,4: 98:[19, 11] Operation: 49-38=11 Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 98:[49, 2], Operations: ['61-42=19', '38/19=2'] Exploring Operation: 49*2=98, Resulting Numbers: [98] 98,98 equal: Goal Reached Moving to Node #0 Current State: 98:[42, 49, 38, 61], Operations: [] Exploring Operation: 61-42=19, Resulting Numbers: [49, 38, 19] Generated Node #0,4: 98:[49, 38, 19] Operation: 61-42=19 Moving to Node #0,4 Current State: 98:[49, 38, 19], Operations: ['61-42=19'] Exploring Operation: 38/19=2, Resulting Numbers: [49, 2] Generated Node #0,4,3: 98:[49, 2] Operation: 38/19=2 Moving to Node #0,4,3 Current State: 98:[49, 2], Operations: ['61-42=19', '38/19=2'] Exploring Operation: 49*2=98, Resulting Numbers: [98] 98,98 equal: Goal Reached Exit Sub Search at level 1
0.942708
hs_5
sum_heuristic
[ 15, 26, 57, 5 ]
11
[ "15+26=41", "57-5=52", "52-41=11" ]
Current State: 11:[15, 26, 57, 5], Operations: [] Exploring Operation: 15+26=41, Resulting Numbers: [57, 5, 41] Generated Node #2: [57, 5, 41] from Operation: 15+26=41 Current State: 11:[57, 5, 41], Operations: ['15+26=41'] Exploring Operation: 57-5=52, Resulting Numbers: [41, 52] Generated Node #3: [41, 52] from Operation: 57-5=52 Current State: 11:[41, 52], Operations: ['15+26=41', '57-5=52'] Exploring Operation: 52-41=11, Resulting Numbers: [11] 11,11 equal: Goal Reached
4
Current State: 11:[15, 26, 57, 5], Operations: [] Exploring Operation: 26-15=11, Resulting Numbers: [57, 5, 11] Generated Node #0,0: 11:[57, 5, 11] Operation: 26-15=11 Exploring Operation: 57-15=42, Resulting Numbers: [26, 5, 42] Generated Node #0,1: 11:[26, 5, 42] Operation: 57-15=42 Exploring Operation: 57-5=52, Resulting Numbers: [15, 26, 52] Generated Node #0,2: 11:[15, 26, 52] Operation: 57-5=52 Exploring Operation: 26-5=21, Resulting Numbers: [15, 57, 21] Generated Node #0,3: 11:[15, 57, 21] Operation: 26-5=21 Exploring Operation: 57-26=31, Resulting Numbers: [15, 5, 31] Generated Node #0,4: 11:[15, 5, 31] Operation: 57-26=31 Start Sub Search at level 1: Moving to Node #0,4 Current State: 11:[15, 5, 31], Operations: ['57-26=31'] Exploring Operation: 15/5=3, Resulting Numbers: [31, 3] Generated Node #0,4,0: 11:[31, 3] Operation: 15/5=3 Exploring Operation: 15-5=10, Resulting Numbers: [31, 10] Generated Node #0,4,1: 11:[31, 10] Operation: 15-5=10 Exploring Operation: 31-5=26, Resulting Numbers: [15, 26] Generated Node #0,4,2: 11:[15, 26] Operation: 31-5=26 Exploring Operation: 15+5=20, Resulting Numbers: [31, 20] Generated Node #0,4,3: 11:[31, 20] Operation: 15+5=20 Exploring Operation: 31-15=16, Resulting Numbers: [5, 16] Generated Node #0,4,4: 11:[5, 16] Operation: 31-15=16 Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 11:[5, 16], Operations: ['57-26=31', '31-15=16'] Exploring Operation: 5+16=21, Resulting Numbers: [21] 21,11 unequal: No Solution Exploring Operation: 16-5=11, Resulting Numbers: [11] 11,11 equal: Goal Reached Moving to Node #0 Current State: 11:[15, 26, 57, 5], Operations: [] Exploring Operation: 57-26=31, Resulting Numbers: [15, 5, 31] Generated Node #0,4: 11:[15, 5, 31] Operation: 57-26=31 Moving to Node #0,4 Current State: 11:[15, 5, 31], Operations: ['57-26=31'] Exploring Operation: 31-15=16, Resulting Numbers: [5, 16] Generated Node #0,4,4: 11:[5, 16] Operation: 31-15=16 Moving to Node #0,4,4 Current State: 11:[5, 16], Operations: ['57-26=31', '31-15=16'] Exploring Operation: 16-5=11, Resulting Numbers: [11] 11,11 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986111
hs_5
sum_heuristic
[ 69, 35, 37, 92 ]
49
[ "69+35=104", "92-37=55", "104-55=49" ]
Current State: 49:[69, 35, 37, 92], Operations: [] Exploring Operation: 69+35=104, Resulting Numbers: [37, 92, 104] Generated Node #2: [37, 92, 104] from Operation: 69+35=104 Current State: 49:[37, 92, 104], Operations: ['69+35=104'] Exploring Operation: 92-37=55, Resulting Numbers: [104, 55] Generated Node #3: [104, 55] from Operation: 92-37=55 Current State: 49:[104, 55], Operations: ['69+35=104', '92-37=55'] Exploring Operation: 104-55=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
4
Current State: 49:[69, 35, 37, 92], Operations: [] Exploring Operation: 92-35=57, Resulting Numbers: [69, 37, 57] Generated Node #0,0: 49:[69, 37, 57] Operation: 92-35=57 Start Sub Search at level 1: Moving to Node #0,0 Current State: 49:[69, 37, 57], Operations: ['92-35=57'] Exploring Operation: 69-57=12, Resulting Numbers: [37, 12] Generated Node #0,0,0: 49:[37, 12] Operation: 69-57=12 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 49:[37, 12], Operations: ['92-35=57', '69-57=12'] Exploring Operation: 37+12=49, Resulting Numbers: [49] 49,49 equal: Goal Reached Moving to Node #0 Current State: 49:[69, 35, 37, 92], Operations: [] Exploring Operation: 92-35=57, Resulting Numbers: [69, 37, 57] Generated Node #0,0: 49:[69, 37, 57] Operation: 92-35=57 Moving to Node #0,0 Current State: 49:[69, 37, 57], Operations: ['92-35=57'] Exploring Operation: 69-57=12, Resulting Numbers: [37, 12] Generated Node #0,0,0: 49:[37, 12] Operation: 69-57=12 Moving to Node #0,0,0 Current State: 49:[37, 12], Operations: ['92-35=57', '69-57=12'] Exploring Operation: 37+12=49, Resulting Numbers: [49] 49,49 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 96, 84, 72, 26 ]
37
[ "84*72=6048", "6048/96=63", "63-26=37" ]
Current State: 37:[96, 84, 72, 26], Operations: [] Exploring Operation: 84*72=6048, Resulting Numbers: [96, 26, 6048] Generated Node #2: [96, 26, 6048] from Operation: 84*72=6048 Current State: 37:[96, 26, 6048], Operations: ['84*72=6048'] Exploring Operation: 6048/96=63, Resulting Numbers: [26, 63] Generated Node #3: [26, 63] from Operation: 6048/96=63 Current State: 37:[26, 63], Operations: ['84*72=6048', '6048/96=63'] Exploring Operation: 63-26=37, Resulting Numbers: [37] 37,37 equal: Goal Reached
4
Current State: 37:[96, 84, 72, 26], Operations: [] Exploring Operation: 96-84=12, Resulting Numbers: [72, 26, 12] Generated Node #0,0: 37:[72, 26, 12] Operation: 96-84=12 Exploring Operation: 96-72=24, Resulting Numbers: [84, 26, 24] Generated Node #0,1: 37:[84, 26, 24] Operation: 96-72=24 Start Sub Search at level 1: Moving to Node #0,0 Current State: 37:[72, 26, 12], Operations: ['96-84=12'] Exploring Operation: 72-12=60, Resulting Numbers: [26, 60] Generated Node #0,0,0: 37:[26, 60] Operation: 72-12=60 Exploring Operation: 72-26=46, Resulting Numbers: [12, 46] Generated Node #0,0,1: 37:[12, 46] Operation: 72-26=46 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 37:[26, 60], Operations: ['96-84=12', '72-12=60'] Exploring Operation: 26+60=86, Resulting Numbers: [86] 86,37 unequal: No Solution Exploring Operation: 60-26=34, Resulting Numbers: [34] 34,37 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 37:[12, 46], Operations: ['96-84=12', '72-26=46'] Exploring Operation: 12+46=58, Resulting Numbers: [58] 58,37 unequal: No Solution Exploring Operation: 46-12=34, Resulting Numbers: [34] 34,37 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 37:[84, 26, 24], Operations: ['96-72=24'] Exploring Operation: 84-26=58, Resulting Numbers: [24, 58] Generated Node #0,1,0: 37:[24, 58] Operation: 84-26=58 Exploring Operation: 84-24=60, Resulting Numbers: [26, 60] Generated Node #0,1,1: 37:[26, 60] Operation: 84-24=60 Moving to Node #0,1,0 Current State: 37:[24, 58], Operations: ['96-72=24', '84-26=58'] Exploring Operation: 24+58=82, Resulting Numbers: [82] 82,37 unequal: No Solution Exploring Operation: 58-24=34, Resulting Numbers: [34] 34,37 unequal: No Solution Moving to Node #0,1,1 Current State: 37:[26, 60], Operations: ['96-72=24', '84-24=60'] Exploring Operation: 60-26=34, Resulting Numbers: [34] 34,37 unequal: No Solution Exploring Operation: 26+60=86, Resulting Numbers: [86] 86,37 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 86, 4, 24, 3 ]
50
[ "86-24=62", "4*3=12", "62-12=50" ]
Current State: 50:[86, 4, 24, 3], Operations: [] Exploring Operation: 86-24=62, Resulting Numbers: [4, 3, 62] Generated Node #2: [4, 3, 62] from Operation: 86-24=62 Current State: 50:[4, 3, 62], Operations: ['86-24=62'] Exploring Operation: 4*3=12, Resulting Numbers: [62, 12] Generated Node #3: [62, 12] from Operation: 4*3=12 Current State: 50:[62, 12], Operations: ['86-24=62', '4*3=12'] Exploring Operation: 62-12=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[86, 4, 24, 3], Operations: [] Exploring Operation: 86-3=83, Resulting Numbers: [4, 24, 83] Generated Node #0,0: 50:[4, 24, 83] Operation: 86-3=83 Exploring Operation: 86-24=62, Resulting Numbers: [4, 3, 62] Generated Node #0,1: 50:[4, 3, 62] Operation: 86-24=62 Exploring Operation: 24/4=6, Resulting Numbers: [86, 3, 6] Generated Node #0,2: 50:[86, 3, 6] Operation: 24/4=6 Exploring Operation: 4-3=1, Resulting Numbers: [86, 24, 1] Generated Node #0,3: 50:[86, 24, 1] Operation: 4-3=1 Exploring Operation: 86-4=82, Resulting Numbers: [24, 3, 82] Generated Node #0,4: 50:[24, 3, 82] Operation: 86-4=82 Moving to Node #0,1 Current State: 50:[4, 3, 62], Operations: ['86-24=62'] Exploring Operation: 62-4=58, Resulting Numbers: [3, 58] Generated Node #0,1,0: 50:[3, 58] Operation: 62-4=58 Exploring Operation: 4*3=12, Resulting Numbers: [62, 12] Generated Node #0,1,1: 50:[62, 12] Operation: 4*3=12 Exploring Operation: 4+3=7, Resulting Numbers: [62, 7] Generated Node #0,1,2: 50:[62, 7] Operation: 4+3=7 Exploring Operation: 4-3=1, Resulting Numbers: [62, 1] Generated Node #0,1,3: 50:[62, 1] Operation: 4-3=1 Exploring Operation: 62-3=59, Resulting Numbers: [4, 59] Generated Node #0,1,4: 50:[4, 59] Operation: 62-3=59 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 50:[3, 58], Operations: ['86-24=62', '62-4=58'] Exploring Operation: 58-3=55, Resulting Numbers: [55] 55,50 unequal: No Solution Exploring Operation: 3+58=61, Resulting Numbers: [61] 61,50 unequal: No Solution Exploring Operation: 3*58=174, Resulting Numbers: [174] 174,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 50:[4, 59], Operations: ['86-24=62', '62-3=59'] Exploring Operation: 4*59=236, Resulting Numbers: [236] 236,50 unequal: No Solution Exploring Operation: 59-4=55, Resulting Numbers: [55] 55,50 unequal: No Solution Exploring Operation: 4+59=63, Resulting Numbers: [63] 63,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 50:[62, 1], Operations: ['86-24=62', '4-3=1'] Exploring Operation: 62/1=62, Resulting Numbers: [62] 62,50 unequal: No Solution Exploring Operation: 62-1=61, Resulting Numbers: [61] 61,50 unequal: No Solution Exploring Operation: 62*1=62, Resulting Numbers: [62] 62,50 unequal: No Solution Exploring Operation: 62+1=63, Resulting Numbers: [63] 63,50 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 #0,1,1 Current State: 50:[62, 12], Operations: ['86-24=62', '4*3=12'] Exploring Operation: 62+12=74, Resulting Numbers: [74] 74,50 unequal: No Solution Exploring Operation: 62*12=744, Resulting Numbers: [744] 744,50 unequal: No Solution Exploring Operation: 62-12=50, Resulting Numbers: [50] 50,50 equal: Goal Reached Moving to Node #0 Current State: 50:[86, 4, 24, 3], Operations: [] Exploring Operation: 86-24=62, Resulting Numbers: [4, 3, 62] Generated Node #0,1: 50:[4, 3, 62] Operation: 86-24=62 Moving to Node #0,1 Current State: 50:[4, 3, 62], Operations: ['86-24=62'] Exploring Operation: 4*3=12, Resulting Numbers: [62, 12] Generated Node #0,1,1: 50:[62, 12] Operation: 4*3=12 Moving to Node #0,1,1 Current State: 50:[62, 12], Operations: ['86-24=62', '4*3=12'] Exploring Operation: 62-12=50, Resulting Numbers: [50] 50,50 equal: Goal Reached Exit Sub Search at level 1
0.976563
hs_5
mult_heuristic
[ 9, 36, 5, 27 ]
34
[ "27/9=3", "36-5=31", "3+31=34" ]
Current State: 34:[9, 36, 5, 27], Operations: [] Exploring Operation: 27/9=3, Resulting Numbers: [36, 5, 3] Generated Node #2: [36, 5, 3] from Operation: 27/9=3 Current State: 34:[36, 5, 3], Operations: ['27/9=3'] Exploring Operation: 36-5=31, Resulting Numbers: [3, 31] Generated Node #3: [3, 31] from Operation: 36-5=31 Current State: 34:[3, 31], Operations: ['27/9=3', '36-5=31'] Exploring Operation: 3+31=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
4
Current State: 34:[9, 36, 5, 27], Operations: [] Exploring Operation: 27-9=18, Resulting Numbers: [36, 5, 18] Generated Node #0,0: 34:[36, 5, 18] Operation: 27-9=18 Exploring Operation: 9+27=36, Resulting Numbers: [36, 5, 36] Generated Node #0,1: 34:[36, 5, 36] Operation: 9+27=36 Exploring Operation: 27/9=3, Resulting Numbers: [36, 5, 3] Generated Node #0,2: 34:[36, 5, 3] Operation: 27/9=3 Exploring Operation: 9-5=4, Resulting Numbers: [36, 27, 4] Generated Node #0,3: 34:[36, 27, 4] Operation: 9-5=4 Start Sub Search at level 1: Moving to Node #0,0 Current State: 34:[36, 5, 18], Operations: ['27-9=18'] Exploring Operation: 36-18=18, Resulting Numbers: [5, 18] Generated Node #0,0,0: 34:[5, 18] Operation: 36-18=18 Exploring Operation: 36-5=31, Resulting Numbers: [18, 31] Generated Node #0,0,1: 34:[18, 31] Operation: 36-5=31 Exploring Operation: 36/18=2, Resulting Numbers: [5, 2] Generated Node #0,0,2: 34:[5, 2] Operation: 36/18=2 Exploring Operation: 18-5=13, Resulting Numbers: [36, 13] Generated Node #0,0,3: 34:[36, 13] Operation: 18-5=13 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 34:[5, 2], Operations: ['27-9=18', '36/18=2'] Exploring Operation: 5*2=10, Resulting Numbers: [10] 10,34 unequal: No Solution Exploring Operation: 5-2=3, Resulting Numbers: [3] 3,34 unequal: No Solution Exploring Operation: 5+2=7, Resulting Numbers: [7] 7,34 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 34:[5, 18], Operations: ['27-9=18', '36-18=18'] Exploring Operation: 5+18=23, Resulting Numbers: [23] 23,34 unequal: No Solution Exploring Operation: 18-5=13, Resulting Numbers: [13] 13,34 unequal: No Solution Exploring Operation: 5*18=90, Resulting Numbers: [90] 90,34 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:[18, 31], Operations: ['27-9=18', '36-5=31'] Exploring Operation: 18+31=49, Resulting Numbers: [49] 49,34 unequal: No Solution Exploring Operation: 18*31=558, Resulting Numbers: [558] 558,34 unequal: No Solution Exploring Operation: 31-18=13, Resulting Numbers: [13] 13,34 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:[36, 13], Operations: ['27-9=18', '18-5=13'] Exploring Operation: 36-13=23, Resulting Numbers: [23] 23,34 unequal: No Solution Exploring Operation: 36*13=468, Resulting Numbers: [468] 468,34 unequal: No Solution Exploring Operation: 36+13=49, Resulting Numbers: [49] 49,34 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 34:[36, 5, 3], Operations: ['27/9=3'] Exploring Operation: 36-5=31, Resulting Numbers: [3, 31] Generated Node #0,2,0: 34:[3, 31] Operation: 36-5=31 Exploring Operation: 36-3=33, Resulting Numbers: [5, 33] Generated Node #0,2,1: 34:[5, 33] Operation: 36-3=33 Exploring Operation: 5-3=2, Resulting Numbers: [36, 2] Generated Node #0,2,2: 34:[36, 2] Operation: 5-3=2 Exploring Operation: 5*3=15, Resulting Numbers: [36, 15] Generated Node #0,2,3: 34:[36, 15] Operation: 5*3=15 Moving to Node #0,2,2 Current State: 34:[36, 2], Operations: ['27/9=3', '5-3=2'] Exploring Operation: 36+2=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:[9, 36, 5, 27], Operations: [] Exploring Operation: 27/9=3, Resulting Numbers: [36, 5, 3] Generated Node #0,2: 34:[36, 5, 3] Operation: 27/9=3 Moving to Node #0,2 Current State: 34:[36, 5, 3], Operations: ['27/9=3'] Exploring Operation: 5-3=2, Resulting Numbers: [36, 2] Generated Node #0,2,2: 34:[36, 2] Operation: 5-3=2 Moving to Node #0,2,2 Current State: 34:[36, 2], Operations: ['27/9=3', '5-3=2'] Exploring Operation: 36-2=34, Resulting Numbers: [34] 34,34 equal: Goal Reached Exit Sub Search at level 1
0.97309
hs_4
sum_heuristic
[ 4, 11, 73, 25 ]
83
[ "4+11=15", "73+25=98", "98-15=83" ]
Current State: 83:[4, 11, 73, 25], Operations: [] Exploring Operation: 4+11=15, Resulting Numbers: [73, 25, 15] Generated Node #2: [73, 25, 15] from Operation: 4+11=15 Current State: 83:[73, 25, 15], Operations: ['4+11=15'] Exploring Operation: 73+25=98, Resulting Numbers: [15, 98] Generated Node #3: [15, 98] from Operation: 73+25=98 Current State: 83:[15, 98], Operations: ['4+11=15', '73+25=98'] Exploring Operation: 98-15=83, Resulting Numbers: [83] 83,83 equal: Goal Reached
4
Current State: 83:[4, 11, 73, 25], Operations: [] Exploring Operation: 4*11=44, Resulting Numbers: [73, 25, 44] Generated Node #0,0: 83:[73, 25, 44] Operation: 4*11=44 Exploring Operation: 4*25=100, Resulting Numbers: [11, 73, 100] Generated Node #0,1: 83:[11, 73, 100] Operation: 4*25=100 Exploring Operation: 4+11=15, Resulting Numbers: [73, 25, 15] Generated Node #0,2: 83:[73, 25, 15] Operation: 4+11=15 Start Sub Search at level 1: Moving to Node #0,1 Current State: 83:[11, 73, 100], Operations: ['4*25=100'] Exploring Operation: 73-11=62, Resulting Numbers: [100, 62] Generated Node #0,1,0: 83:[100, 62] Operation: 73-11=62 Exploring Operation: 100-11=89, Resulting Numbers: [73, 89] Generated Node #0,1,1: 83:[73, 89] Operation: 100-11=89 Exploring Operation: 11+73=84, Resulting Numbers: [100, 84] Generated Node #0,1,2: 83:[100, 84] Operation: 11+73=84 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 83:[73, 89], Operations: ['4*25=100', '100-11=89'] Exploring Operation: 89-73=16, Resulting Numbers: [16] 16,83 unequal: No Solution Exploring Operation: 73*89=6497, Resulting Numbers: [6497] 6497,83 unequal: No Solution Exploring Operation: 73+89=162, Resulting Numbers: [162] 162,83 unequal: No Solution No 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: 83:[100, 84], Operations: ['4*25=100', '11+73=84'] Exploring Operation: 100-84=16, Resulting Numbers: [16] 16,83 unequal: No Solution Exploring Operation: 100*84=8400, Resulting Numbers: [8400] 8400,83 unequal: No Solution Exploring Operation: 100+84=184, Resulting Numbers: [184] 184,83 unequal: No Solution No 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: 83:[100, 62], Operations: ['4*25=100', '73-11=62'] Exploring Operation: 100-62=38, Resulting Numbers: [38] 38,83 unequal: No Solution Exploring Operation: 100+62=162, Resulting Numbers: [162] 162,83 unequal: No Solution Exploring Operation: 100*62=6200, Resulting Numbers: [6200] 6200,83 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: 83:[73, 25, 44], Operations: ['4*11=44'] Exploring Operation: 73+25=98, Resulting Numbers: [44, 98] Generated Node #0,0,0: 83:[44, 98] Operation: 73+25=98 Exploring Operation: 25+44=69, Resulting Numbers: [73, 69] Generated Node #0,0,1: 83:[73, 69] Operation: 25+44=69 Exploring Operation: 73-25=48, Resulting Numbers: [44, 48] Generated Node #0,0,2: 83:[44, 48] Operation: 73-25=48 Moving to Node #0,0,1 Current State: 83:[73, 69], Operations: ['4*11=44', '25+44=69'] Exploring Operation: 73*69=5037, Resulting Numbers: [5037] 5037,83 unequal: No Solution Exploring Operation: 73+69=142, Resulting Numbers: [142] 142,83 unequal: No Solution Exploring Operation: 73-69=4, Resulting Numbers: [4] 4,83 unequal: No Solution Moving to Node #0,0,0 Current State: 83:[44, 98], Operations: ['4*11=44', '73+25=98'] Exploring Operation: 98-44=54, Resulting Numbers: [54] 54,83 unequal: No Solution Exploring Operation: 44*98=4312, Resulting Numbers: [4312] 4312,83 unequal: No Solution Exploring Operation: 44+98=142, Resulting Numbers: [142] 142,83 unequal: No Solution Moving to Node #0,0,2 Current State: 83:[44, 48], Operations: ['4*11=44', '73-25=48'] Exploring Operation: 48-44=4, Resulting Numbers: [4] 4,83 unequal: No Solution Exploring Operation: 44*48=2112, Resulting Numbers: [2112] 2112,83 unequal: No Solution Exploring Operation: 44+48=92, Resulting Numbers: [92] 92,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 83:[73, 25, 15], Operations: ['4+11=15'] Exploring Operation: 25+15=40, Resulting Numbers: [73, 40] Generated Node #0,2,0: 83:[73, 40] Operation: 25+15=40 Exploring Operation: 73+25=98, Resulting Numbers: [15, 98] Generated Node #0,2,1: 83:[15, 98] Operation: 73+25=98 Exploring Operation: 73+15=88, Resulting Numbers: [25, 88] Generated Node #0,2,2: 83:[25, 88] Operation: 73+15=88 Moving to Node #0,2,0 Current State: 83:[73, 40], Operations: ['4+11=15', '25+15=40'] Exploring Operation: 73-40=33, Resulting Numbers: [33] 33,83 unequal: No Solution Exploring Operation: 73*40=2920, Resulting Numbers: [2920] 2920,83 unequal: No Solution Exploring Operation: 73+40=113, Resulting Numbers: [113] 113,83 unequal: No Solution Moving to Node #0,2,2 Current State: 83:[25, 88], Operations: ['4+11=15', '73+15=88'] Exploring Operation: 25*88=2200, Resulting Numbers: [2200] 2200,83 unequal: No Solution Exploring Operation: 88-25=63, Resulting Numbers: [63] 63,83 unequal: No Solution Exploring Operation: 25+88=113, Resulting Numbers: [113] 113,83 unequal: No Solution Moving to Node #0,2,1 Current State: 83:[15, 98], Operations: ['4+11=15', '73+25=98'] Exploring Operation: 15*98=1470, Resulting Numbers: [1470] 1470,83 unequal: No Solution Exploring Operation: 98-15=83, Resulting Numbers: [83] 83,83 equal: Goal Reached Moving to Node #0 Current State: 83:[4, 11, 73, 25], Operations: [] Exploring Operation: 4+11=15, Resulting Numbers: [73, 25, 15] Generated Node #0,2: 83:[73, 25, 15] Operation: 4+11=15 Moving to Node #0,2 Current State: 83:[73, 25, 15], Operations: ['4+11=15'] Exploring Operation: 73+25=98, Resulting Numbers: [15, 98] Generated Node #0,2,1: 83:[15, 98] Operation: 73+25=98 Moving to Node #0,2,1 Current State: 83:[15, 98], Operations: ['4+11=15', '73+25=98'] Exploring Operation: 98-15=83, Resulting Numbers: [83] 83,83 equal: Goal Reached Exit Sub Search at level 1
0.963542
hs_3
sum_heuristic
[ 29, 31, 57, 45 ]
69
[ "31-29=2", "57*2=114", "114-45=69" ]
Current State: 69:[29, 31, 57, 45], Operations: [] Exploring Operation: 31-29=2, Resulting Numbers: [57, 45, 2] Generated Node #2: [57, 45, 2] from Operation: 31-29=2 Current State: 69:[57, 45, 2], Operations: ['31-29=2'] Exploring Operation: 57*2=114, Resulting Numbers: [45, 114] Generated Node #3: [45, 114] from Operation: 57*2=114 Current State: 69:[45, 114], Operations: ['31-29=2', '57*2=114'] Exploring Operation: 114-45=69, Resulting Numbers: [69] 69,69 equal: Goal Reached
4
Current State: 69:[29, 31, 57, 45], Operations: [] Exploring Operation: 57-45=12, Resulting Numbers: [29, 31, 12] Generated Node #0,0: 69:[29, 31, 12] Operation: 57-45=12 Start Sub Search at level 1: Moving to Node #0,0 Current State: 69:[29, 31, 12], Operations: ['57-45=12'] Exploring Operation: 31-29=2, Resulting Numbers: [12, 2] Generated Node #0,0,0: 69:[12, 2] Operation: 31-29=2 Moving to Node #0,0,0 Current State: 69:[12, 2], Operations: ['57-45=12', '31-29=2'] Exploring Operation: 12*2=24, Resulting Numbers: [24] 24,69 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, 82, 50, 7 ]
38
[ "57*50=2850", "82-7=75", "2850/75=38" ]
Current State: 38:[57, 82, 50, 7], Operations: [] Exploring Operation: 57*50=2850, Resulting Numbers: [82, 7, 2850] Generated Node #2: [82, 7, 2850] from Operation: 57*50=2850 Current State: 38:[82, 7, 2850], Operations: ['57*50=2850'] Exploring Operation: 82-7=75, Resulting Numbers: [2850, 75] Generated Node #3: [2850, 75] from Operation: 82-7=75 Current State: 38:[2850, 75], Operations: ['57*50=2850', '82-7=75'] Exploring Operation: 2850/75=38, Resulting Numbers: [38] 38,38 equal: Goal Reached
4
Current State: 38:[57, 82, 50, 7], Operations: [] Exploring Operation: 82-57=25, Resulting Numbers: [50, 7, 25] Generated Node #0,0: 38:[50, 7, 25] Operation: 82-57=25 Exploring Operation: 82-50=32, Resulting Numbers: [57, 7, 32] Generated Node #0,1: 38:[57, 7, 32] Operation: 82-50=32 Start Sub Search at level 1: Moving to Node #0,0 Current State: 38:[50, 7, 25], Operations: ['82-57=25'] Exploring Operation: 50/25=2, Resulting Numbers: [7, 2] Generated Node #0,0,0: 38:[7, 2] Operation: 50/25=2 Exploring Operation: 50-7=43, Resulting Numbers: [25, 43] Generated Node #0,0,1: 38:[25, 43] Operation: 50-7=43 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 38:[7, 2], Operations: ['82-57=25', '50/25=2'] Exploring Operation: 7*2=14, Resulting Numbers: [14] 14,38 unequal: No Solution Exploring Operation: 7-2=5, Resulting Numbers: [5] 5,38 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 #0,0,1 Current State: 38:[25, 43], Operations: ['82-57=25', '50-7=43'] Exploring Operation: 43-25=18, Resulting Numbers: [18] 18,38 unequal: No Solution Exploring Operation: 25+43=68, Resulting Numbers: [68] 68,38 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:[57, 7, 32], Operations: ['82-50=32'] Exploring Operation: 57-32=25, Resulting Numbers: [7, 25] Generated Node #0,1,0: 38:[7, 25] Operation: 57-32=25 Exploring Operation: 57-7=50, Resulting Numbers: [32, 50] Generated Node #0,1,1: 38:[32, 50] Operation: 57-7=50 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 38:[7, 25], Operations: ['82-50=32', '57-32=25'] Exploring Operation: 7+25=32, Resulting Numbers: [32] 32,38 unequal: No Solution Exploring Operation: 25-7=18, Resulting Numbers: [18] 18,38 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 #0,1,1 Current State: 38:[32, 50], Operations: ['82-50=32', '57-7=50'] Exploring Operation: 32+50=82, Resulting Numbers: [82] 82,38 unequal: No Solution Exploring Operation: 50-32=18, Resulting Numbers: [18] 18,38 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 No solution found.
0
hs_2
sum_heuristic
[ 32, 6, 89, 88 ]
39
[ "32+6=38", "89-88=1", "38+1=39" ]
Current State: 39:[32, 6, 89, 88], Operations: [] Exploring Operation: 32+6=38, Resulting Numbers: [89, 88, 38] Generated Node #2: [89, 88, 38] from Operation: 32+6=38 Current State: 39:[89, 88, 38], Operations: ['32+6=38'] Exploring Operation: 89-88=1, Resulting Numbers: [38, 1] Generated Node #3: [38, 1] from Operation: 89-88=1 Current State: 39:[38, 1], Operations: ['32+6=38', '89-88=1'] Exploring Operation: 38+1=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
4
Current State: 39:[32, 6, 89, 88], Operations: [] Exploring Operation: 89-88=1, Resulting Numbers: [32, 6, 1] Generated Node #0,0: 39:[32, 6, 1] Operation: 89-88=1 Moving to Node #0,0 Current State: 39:[32, 6, 1], Operations: ['89-88=1'] Exploring Operation: 32+6=38, Resulting Numbers: [1, 38] Generated Node #0,0,0: 39:[1, 38] Operation: 32+6=38 Moving to Node #0,0,0 Current State: 39:[1, 38], Operations: ['89-88=1', '32+6=38'] Exploring Operation: 1+38=39, Resulting Numbers: [39] 39,39 equal: Goal Reached Moving to Node #0 Current State: 39:[32, 6, 89, 88], Operations: [] Exploring Operation: 89-88=1, Resulting Numbers: [32, 6, 1] Generated Node #0,0: 39:[32, 6, 1] Operation: 89-88=1 Moving to Node #0,0 Current State: 39:[32, 6, 1], Operations: ['89-88=1'] Exploring Operation: 32+6=38, Resulting Numbers: [1, 38] Generated Node #0,0,0: 39:[1, 38] Operation: 32+6=38 Moving to Node #0,0,0 Current State: 39:[1, 38], Operations: ['89-88=1', '32+6=38'] Exploring Operation: 1+38=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
0.993924
hs_1
mult_heuristic
[ 80, 4, 16, 12 ]
32
[ "80*4=320", "320/16=20", "12+20=32" ]
Current State: 32:[80, 4, 16, 12], Operations: [] Exploring Operation: 80*4=320, Resulting Numbers: [16, 12, 320] Generated Node #2: [16, 12, 320] from Operation: 80*4=320 Current State: 32:[16, 12, 320], Operations: ['80*4=320'] Exploring Operation: 320/16=20, Resulting Numbers: [12, 20] Generated Node #3: [12, 20] from Operation: 320/16=20 Current State: 32:[12, 20], Operations: ['80*4=320', '320/16=20'] Exploring Operation: 12+20=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[80, 4, 16, 12], Operations: [] Exploring Operation: 80/16=5, Resulting Numbers: [4, 12, 5] Generated Node #0,0: 32:[4, 12, 5] Operation: 80/16=5 Moving to Node #0,0 Current State: 32:[4, 12, 5], Operations: ['80/16=5'] Exploring Operation: 4+12=16, Resulting Numbers: [5, 16] Generated Node #0,0,0: 32:[5, 16] Operation: 4+12=16 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 32:[5, 16], Operations: ['80/16=5', '4+12=16'] Exploring Operation: 16-5=11, Resulting Numbers: [11] 11,32 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
[ 48, 39, 58, 5 ]
44
[ "48-39=9", "58-5=53", "53-9=44" ]
Current State: 44:[48, 39, 58, 5], Operations: [] Exploring Operation: 48-39=9, Resulting Numbers: [58, 5, 9] Generated Node #2: [58, 5, 9] from Operation: 48-39=9 Current State: 44:[58, 5, 9], Operations: ['48-39=9'] Exploring Operation: 58-5=53, Resulting Numbers: [9, 53] Generated Node #3: [9, 53] from Operation: 58-5=53 Current State: 44:[9, 53], Operations: ['48-39=9', '58-5=53'] Exploring Operation: 53-9=44, Resulting Numbers: [44] 44,44 equal: Goal Reached
4
Current State: 44:[48, 39, 58, 5], Operations: [] Exploring Operation: 58-39=19, Resulting Numbers: [48, 5, 19] Generated Node #0,0: 44:[48, 5, 19] Operation: 58-39=19 Exploring Operation: 48-39=9, Resulting Numbers: [58, 5, 9] Generated Node #0,1: 44:[58, 5, 9] Operation: 48-39=9 Exploring Operation: 58-48=10, Resulting Numbers: [39, 5, 10] Generated Node #0,2: 44:[39, 5, 10] Operation: 58-48=10 Moving to Node #0,2 Current State: 44:[39, 5, 10], Operations: ['58-48=10'] Exploring Operation: 10/5=2, Resulting Numbers: [39, 2] Generated Node #0,2,0: 44:[39, 2] Operation: 10/5=2 Exploring Operation: 39+10=49, Resulting Numbers: [5, 49] Generated Node #0,2,1: 44:[5, 49] Operation: 39+10=49 Exploring Operation: 39+5=44, Resulting Numbers: [10, 44] Generated Node #0,2,2: 44:[10, 44] Operation: 39+5=44 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 44:[10, 44], Operations: ['58-48=10', '39+5=44'] Exploring Operation: 10*44=440, Resulting Numbers: [440] 440,44 unequal: No Solution Exploring Operation: 10+44=54, Resulting Numbers: [54] 54,44 unequal: No Solution Exploring Operation: 44-10=34, Resulting Numbers: [34] 34,44 unequal: No Solution No 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: 44:[39, 2], Operations: ['58-48=10', '10/5=2'] Exploring Operation: 39-2=37, Resulting Numbers: [37] 37,44 unequal: No Solution Exploring Operation: 39*2=78, Resulting Numbers: [78] 78,44 unequal: No Solution Exploring Operation: 39+2=41, Resulting Numbers: [41] 41,44 unequal: No Solution No 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: 44:[5, 49], Operations: ['58-48=10', '39+10=49'] Exploring Operation: 5*49=245, Resulting Numbers: [245] 245,44 unequal: No Solution Exploring Operation: 5+49=54, Resulting Numbers: [54] 54,44 unequal: No Solution Exploring Operation: 49-5=44, Resulting Numbers: [44] 44,44 equal: Goal Reached Moving to Node #0 Current State: 44:[48, 39, 58, 5], Operations: [] Exploring Operation: 58-48=10, Resulting Numbers: [39, 5, 10] Generated Node #0,2: 44:[39, 5, 10] Operation: 58-48=10 Moving to Node #0,2 Current State: 44:[39, 5, 10], Operations: ['58-48=10'] Exploring Operation: 39+10=49, Resulting Numbers: [5, 49] Generated Node #0,2,1: 44:[5, 49] Operation: 39+10=49 Moving to Node #0,2,1 Current State: 44:[5, 49], Operations: ['58-48=10', '39+10=49'] Exploring Operation: 49-5=44, Resulting Numbers: [44] 44,44 equal: Goal Reached Exit Sub Search at level 1
0.983507
hs_3
sum_heuristic
[ 73, 55, 40, 50 ]
72
[ "73-55=18", "40+50=90", "90-18=72" ]
Current State: 72:[73, 55, 40, 50], Operations: [] Exploring Operation: 73-55=18, Resulting Numbers: [40, 50, 18] Generated Node #2: [40, 50, 18] from Operation: 73-55=18 Current State: 72:[40, 50, 18], Operations: ['73-55=18'] Exploring Operation: 40+50=90, Resulting Numbers: [18, 90] Generated Node #3: [18, 90] from Operation: 40+50=90 Current State: 72:[18, 90], Operations: ['73-55=18', '40+50=90'] Exploring Operation: 90-18=72, Resulting Numbers: [72] 72,72 equal: Goal Reached
4
Current State: 72:[73, 55, 40, 50], Operations: [] Exploring Operation: 73-55=18, Resulting Numbers: [40, 50, 18] Generated Node #0,0: 72:[40, 50, 18] Operation: 73-55=18 Exploring Operation: 55-40=15, Resulting Numbers: [73, 50, 15] Generated Node #0,1: 72:[73, 50, 15] Operation: 55-40=15 Exploring Operation: 55-50=5, Resulting Numbers: [73, 40, 5] Generated Node #0,2: 72:[73, 40, 5] Operation: 55-50=5 Start Sub Search at level 1: Moving to Node #0,2 Current State: 72:[73, 40, 5], Operations: ['55-50=5'] Exploring Operation: 40/5=8, Resulting Numbers: [73, 8] Generated Node #0,2,0: 72:[73, 8] Operation: 40/5=8 Exploring Operation: 73-40=33, Resulting Numbers: [5, 33] Generated Node #0,2,1: 72:[5, 33] Operation: 73-40=33 Exploring Operation: 40-5=35, Resulting Numbers: [73, 35] Generated Node #0,2,2: 72:[73, 35] Operation: 40-5=35 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 72:[73, 8], Operations: ['55-50=5', '40/5=8'] Exploring Operation: 73+8=81, Resulting Numbers: [81] 81,72 unequal: No Solution Exploring Operation: 73*8=584, Resulting Numbers: [584] 584,72 unequal: No Solution Exploring Operation: 73-8=65, Resulting Numbers: [65] 65,72 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 72:[73, 35], Operations: ['55-50=5', '40-5=35'] Exploring Operation: 73+35=108, Resulting Numbers: [108] 108,72 unequal: No Solution Exploring Operation: 73*35=2555, Resulting Numbers: [2555] 2555,72 unequal: No Solution Exploring Operation: 73-35=38, Resulting Numbers: [38] 38,72 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 72:[5, 33], Operations: ['55-50=5', '73-40=33'] Exploring Operation: 33-5=28, Resulting Numbers: [28] 28,72 unequal: No Solution Exploring Operation: 5+33=38, Resulting Numbers: [38] 38,72 unequal: No Solution Exploring Operation: 5*33=165, Resulting Numbers: [165] 165,72 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 72:[40, 50, 18], Operations: ['73-55=18'] Exploring Operation: 50-40=10, Resulting Numbers: [18, 10] Generated Node #0,0,0: 72:[18, 10] Operation: 50-40=10 Exploring Operation: 50-18=32, Resulting Numbers: [40, 32] Generated Node #0,0,1: 72:[40, 32] Operation: 50-18=32 Exploring Operation: 50+18=68, Resulting Numbers: [40, 68] Generated Node #0,0,2: 72:[40, 68] Operation: 50+18=68 Moving to Node #0,0,0 Current State: 72:[18, 10], Operations: ['73-55=18', '50-40=10'] Exploring Operation: 18+10=28, Resulting Numbers: [28] 28,72 unequal: No Solution Exploring Operation: 18-10=8, Resulting Numbers: [8] 8,72 unequal: No Solution Exploring Operation: 18*10=180, Resulting Numbers: [180] 180,72 unequal: No Solution Moving to Node #0,0,1 Current State: 72:[40, 32], Operations: ['73-55=18', '50-18=32'] Exploring Operation: 40+32=72, Resulting Numbers: [72] 72,72 equal: Goal Reached Moving to Node #0 Current State: 72:[73, 55, 40, 50], Operations: [] Exploring Operation: 73-55=18, Resulting Numbers: [40, 50, 18] Generated Node #0,0: 72:[40, 50, 18] Operation: 73-55=18 Moving to Node #0,0 Current State: 72:[40, 50, 18], Operations: ['73-55=18'] Exploring Operation: 50-18=32, Resulting Numbers: [40, 32] Generated Node #0,0,1: 72:[40, 32] Operation: 50-18=32 Moving to Node #0,0,1 Current State: 72:[40, 32], Operations: ['73-55=18', '50-18=32'] Exploring Operation: 40+32=72, Resulting Numbers: [72] 72,72 equal: Goal Reached Exit Sub Search at level 1
0.977431
hs_3
mult_heuristic
[ 7, 91, 18, 66 ]
79
[ "18+66=84", "84/7=12", "91-12=79" ]
Current State: 79:[7, 91, 18, 66], Operations: [] Exploring Operation: 18+66=84, Resulting Numbers: [7, 91, 84] Generated Node #2: [7, 91, 84] from Operation: 18+66=84 Current State: 79:[7, 91, 84], Operations: ['18+66=84'] Exploring Operation: 84/7=12, Resulting Numbers: [91, 12] Generated Node #3: [91, 12] from Operation: 84/7=12 Current State: 79:[91, 12], Operations: ['18+66=84', '84/7=12'] Exploring Operation: 91-12=79, Resulting Numbers: [79] 79,79 equal: Goal Reached
4
Current State: 79:[7, 91, 18, 66], Operations: [] Exploring Operation: 91-7=84, Resulting Numbers: [18, 66, 84] Generated Node #0,0: 79:[18, 66, 84] Operation: 91-7=84 Exploring Operation: 7*18=126, Resulting Numbers: [91, 66, 126] Generated Node #0,1: 79:[91, 66, 126] Operation: 7*18=126 Start Sub Search at level 1: Moving to Node #0,1 Current State: 79:[91, 66, 126], Operations: ['7*18=126'] Exploring Operation: 126-91=35, Resulting Numbers: [66, 35] Generated Node #0,1,0: 79:[66, 35] Operation: 126-91=35 Exploring Operation: 126-66=60, Resulting Numbers: [91, 60] Generated Node #0,1,1: 79:[91, 60] Operation: 126-66=60 Moving to Node #0,1,1 Current State: 79:[91, 60], Operations: ['7*18=126', '126-66=60'] Exploring Operation: 91-60=31, Resulting Numbers: [31] 31,79 unequal: No Solution Exploring Operation: 91+60=151, Resulting Numbers: [151] 151,79 unequal: No Solution Moving to Node #0,1,0 Current State: 79:[66, 35], Operations: ['7*18=126', '126-91=35'] Exploring Operation: 66+35=101, Resulting Numbers: [101] 101,79 unequal: No Solution Exploring Operation: 66-35=31, Resulting Numbers: [31] 31,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 79:[18, 66, 84], Operations: ['91-7=84'] Exploring Operation: 18+66=84, Resulting Numbers: [84, 84] Generated Node #0,0,0: 79:[84, 84] Operation: 18+66=84 Exploring Operation: 84-18=66, Resulting Numbers: [66, 66] Generated Node #0,0,1: 79:[66, 66] Operation: 84-18=66 Moving to Node #0,0,0 Current State: 79:[84, 84], Operations: ['91-7=84', '18+66=84'] Exploring Operation: 84/84=1, Resulting Numbers: [1] 1,79 unequal: No Solution Exploring Operation: 84-84=0, Resulting Numbers: [0] 0,79 unequal: No Solution Moving to Node #0,0,1 Current State: 79:[66, 66], Operations: ['91-7=84', '84-18=66'] Exploring Operation: 66/66=1, Resulting Numbers: [1] 1,79 unequal: No Solution Exploring Operation: 66+66=132, Resulting Numbers: [132] 132,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 1, 12, 86, 65 ]
34
[ "1+12=13", "86-65=21", "13+21=34" ]
Current State: 34:[1, 12, 86, 65], Operations: [] Exploring Operation: 1+12=13, Resulting Numbers: [86, 65, 13] Generated Node #2: [86, 65, 13] from Operation: 1+12=13 Current State: 34:[86, 65, 13], Operations: ['1+12=13'] Exploring Operation: 86-65=21, Resulting Numbers: [13, 21] Generated Node #3: [13, 21] from Operation: 86-65=21 Current State: 34:[13, 21], Operations: ['1+12=13', '86-65=21'] Exploring Operation: 13+21=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
4
Current State: 34:[1, 12, 86, 65], Operations: [] Exploring Operation: 86-65=21, Resulting Numbers: [1, 12, 21] Generated Node #0,0: 34:[1, 12, 21] Operation: 86-65=21 Exploring Operation: 86-12=74, Resulting Numbers: [1, 65, 74] Generated Node #0,1: 34:[1, 65, 74] Operation: 86-12=74 Moving to Node #0,0 Current State: 34:[1, 12, 21], Operations: ['86-65=21'] Exploring Operation: 12+21=33, Resulting Numbers: [1, 33] Generated Node #0,0,0: 34:[1, 33] Operation: 12+21=33 Exploring Operation: 1+12=13, Resulting Numbers: [21, 13] Generated Node #0,0,1: 34:[21, 13] Operation: 1+12=13 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 34:[1, 33], Operations: ['86-65=21', '12+21=33'] Exploring Operation: 1*33=33, Resulting Numbers: [33] 33,34 unequal: No Solution Exploring Operation: 1+33=34, Resulting Numbers: [34] 34,34 equal: Goal Reached Moving to Node #0 Current State: 34:[1, 12, 86, 65], Operations: [] Exploring Operation: 86-65=21, Resulting Numbers: [1, 12, 21] Generated Node #0,0: 34:[1, 12, 21] Operation: 86-65=21 Moving to Node #0,0 Current State: 34:[1, 12, 21], Operations: ['86-65=21'] Exploring Operation: 12+21=33, Resulting Numbers: [1, 33] Generated Node #0,0,0: 34:[1, 33] Operation: 12+21=33 Moving to Node #0,0,0 Current State: 34:[1, 33], Operations: ['86-65=21', '12+21=33'] Exploring Operation: 1+33=34, Resulting Numbers: [34] 34,34 equal: Goal Reached Exit Sub Search at level 1
0.991319
hs_2
sum_heuristic
[ 79, 53, 29, 28 ]
26
[ "79-53=26", "29-28=1", "26*1=26" ]
Current State: 26:[79, 53, 29, 28], Operations: [] Exploring Operation: 79-53=26, Resulting Numbers: [29, 28, 26] Generated Node #2: [29, 28, 26] from Operation: 79-53=26 Current State: 26:[29, 28, 26], Operations: ['79-53=26'] Exploring Operation: 29-28=1, Resulting Numbers: [26, 1] Generated Node #3: [26, 1] from Operation: 29-28=1 Current State: 26:[26, 1], Operations: ['79-53=26', '29-28=1'] Exploring Operation: 26*1=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
4
Current State: 26:[79, 53, 29, 28], Operations: [] Exploring Operation: 79-29=50, Resulting Numbers: [53, 28, 50] Generated Node #0,0: 26:[53, 28, 50] Operation: 79-29=50 Exploring Operation: 79-53=26, Resulting Numbers: [29, 28, 26] Generated Node #0,1: 26:[29, 28, 26] Operation: 79-53=26 Exploring Operation: 79-28=51, Resulting Numbers: [53, 29, 51] Generated Node #0,2: 26:[53, 29, 51] Operation: 79-28=51 Exploring Operation: 53-29=24, Resulting Numbers: [79, 28, 24] Generated Node #0,3: 26:[79, 28, 24] Operation: 53-29=24 Moving to Node #0,1 Current State: 26:[29, 28, 26], Operations: ['79-53=26'] Exploring Operation: 28-26=2, Resulting Numbers: [29, 2] Generated Node #0,1,0: 26:[29, 2] Operation: 28-26=2 Exploring Operation: 29+28=57, Resulting Numbers: [26, 57] Generated Node #0,1,1: 26:[26, 57] Operation: 29+28=57 Exploring Operation: 29-28=1, Resulting Numbers: [26, 1] Generated Node #0,1,2: 26:[26, 1] Operation: 29-28=1 Exploring Operation: 29-26=3, Resulting Numbers: [28, 3] Generated Node #0,1,3: 26:[28, 3] Operation: 29-26=3 Moving to Node #0,0 Current State: 26:[53, 28, 50], Operations: ['79-29=50'] Exploring Operation: 50-28=22, Resulting Numbers: [53, 22] Generated Node #0,0,0: 26:[53, 22] Operation: 50-28=22 Exploring Operation: 53-28=25, Resulting Numbers: [50, 25] Generated Node #0,0,1: 26:[50, 25] Operation: 53-28=25 Exploring Operation: 53+28=81, Resulting Numbers: [50, 81] Generated Node #0,0,2: 26:[50, 81] Operation: 53+28=81 Exploring Operation: 53-50=3, Resulting Numbers: [28, 3] Generated Node #0,0,3: 26:[28, 3] Operation: 53-50=3 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 26:[28, 3], Operations: ['79-29=50', '53-50=3'] Exploring Operation: 28-3=25, Resulting Numbers: [25] 25,26 unequal: No Solution Exploring Operation: 28*3=84, Resulting Numbers: [84] 84,26 unequal: No Solution Exploring Operation: 28+3=31, Resulting Numbers: [31] 31,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 26:[50, 25], Operations: ['79-29=50', '53-28=25'] Exploring Operation: 50*25=1250, Resulting Numbers: [1250] 1250,26 unequal: No Solution Exploring Operation: 50-25=25, Resulting Numbers: [25] 25,26 unequal: No Solution Exploring Operation: 50/25=2, Resulting Numbers: [2] 2,26 unequal: No Solution Exploring Operation: 50+25=75, Resulting Numbers: [75] 75,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 26:[53, 22], Operations: ['79-29=50', '50-28=22'] Exploring Operation: 53*22=1166, Resulting Numbers: [1166] 1166,26 unequal: No Solution Exploring Operation: 53-22=31, Resulting Numbers: [31] 31,26 unequal: No Solution Exploring Operation: 53+22=75, Resulting Numbers: [75] 75,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 26:[50, 81], Operations: ['79-29=50', '53+28=81'] Exploring Operation: 50*81=4050, Resulting Numbers: [4050] 4050,26 unequal: No Solution Exploring Operation: 81-50=31, Resulting Numbers: [31] 31,26 unequal: No Solution Exploring Operation: 50+81=131, Resulting Numbers: [131] 131,26 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: 26:[53, 29, 51], Operations: ['79-28=51'] Exploring Operation: 53+29=82, Resulting Numbers: [51, 82] Generated Node #0,2,0: 26:[51, 82] Operation: 53+29=82 Exploring Operation: 53-29=24, Resulting Numbers: [51, 24] Generated Node #0,2,1: 26:[51, 24] Operation: 53-29=24 Exploring Operation: 53-51=2, Resulting Numbers: [29, 2] Generated Node #0,2,2: 26:[29, 2] Operation: 53-51=2 Exploring Operation: 51-29=22, Resulting Numbers: [53, 22] Generated Node #0,2,3: 26:[53, 22] Operation: 51-29=22 Moving to Node #0,3 Current State: 26:[79, 28, 24], Operations: ['53-29=24'] Exploring Operation: 79-28=51, Resulting Numbers: [24, 51] Generated Node #0,3,0: 26:[24, 51] Operation: 79-28=51 Exploring Operation: 28-24=4, Resulting Numbers: [79, 4] Generated Node #0,3,1: 26:[79, 4] Operation: 28-24=4 Exploring Operation: 79+24=103, Resulting Numbers: [28, 103] Generated Node #0,3,2: 26:[28, 103] Operation: 79+24=103 Exploring Operation: 79-24=55, Resulting Numbers: [28, 55] Generated Node #0,3,3: 26:[28, 55] Operation: 79-24=55 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 26:[24, 51], Operations: ['53-29=24', '79-28=51'] Exploring Operation: 51-24=27, Resulting Numbers: [27] 27,26 unequal: No Solution Exploring Operation: 24+51=75, Resulting Numbers: [75] 75,26 unequal: No Solution Exploring Operation: 24*51=1224, Resulting Numbers: [1224] 1224,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 26:[28, 55], Operations: ['53-29=24', '79-24=55'] Exploring Operation: 55-28=27, Resulting Numbers: [27] 27,26 unequal: No Solution Exploring Operation: 28+55=83, Resulting Numbers: [83] 83,26 unequal: No Solution Exploring Operation: 28*55=1540, Resulting Numbers: [1540] 1540,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 26:[79, 4], Operations: ['53-29=24', '28-24=4'] Exploring Operation: 79*4=316, Resulting Numbers: [316] 316,26 unequal: No Solution Exploring Operation: 79-4=75, Resulting Numbers: [75] 75,26 unequal: No Solution Exploring Operation: 79+4=83, Resulting Numbers: [83] 83,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 26:[28, 103], Operations: ['53-29=24', '79+24=103'] Exploring Operation: 28+103=131, Resulting Numbers: [131] 131,26 unequal: No Solution Exploring Operation: 103-28=75, Resulting Numbers: [75] 75,26 unequal: No Solution Exploring Operation: 28*103=2884, Resulting Numbers: [2884] 2884,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1,2 Current State: 26:[26, 1], Operations: ['79-53=26', '29-28=1'] Exploring Operation: 26*1=26, Resulting Numbers: [26] 26,26 equal: Goal Reached Moving to Node #0 Current State: 26:[79, 53, 29, 28], Operations: [] Exploring Operation: 79-53=26, Resulting Numbers: [29, 28, 26] Generated Node #0,1: 26:[29, 28, 26] Operation: 79-53=26 Moving to Node #0,1 Current State: 26:[29, 28, 26], Operations: ['79-53=26'] Exploring Operation: 29-28=1, Resulting Numbers: [26, 1] Generated Node #0,1,2: 26:[26, 1] Operation: 29-28=1 Moving to Node #0,1,2 Current State: 26:[26, 1], Operations: ['79-53=26', '29-28=1'] Exploring Operation: 26*1=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
0.956597
hs_4
sum_heuristic
[ 47, 66, 62, 24 ]
75
[ "47+66=113", "62-24=38", "113-38=75" ]
Current State: 75:[47, 66, 62, 24], Operations: [] Exploring Operation: 47+66=113, Resulting Numbers: [62, 24, 113] Generated Node #2: [62, 24, 113] from Operation: 47+66=113 Current State: 75:[62, 24, 113], Operations: ['47+66=113'] Exploring Operation: 62-24=38, Resulting Numbers: [113, 38] Generated Node #3: [113, 38] from Operation: 62-24=38 Current State: 75:[113, 38], Operations: ['47+66=113', '62-24=38'] Exploring Operation: 113-38=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
4
Current State: 75:[47, 66, 62, 24], Operations: [] Exploring Operation: 66-62=4, Resulting Numbers: [47, 24, 4] Generated Node #0,0: 75:[47, 24, 4] Operation: 66-62=4 Exploring Operation: 47+24=71, Resulting Numbers: [66, 62, 71] Generated Node #0,1: 75:[66, 62, 71] Operation: 47+24=71 Exploring Operation: 66-47=19, Resulting Numbers: [62, 24, 19] Generated Node #0,2: 75:[62, 24, 19] Operation: 66-47=19 Exploring Operation: 62-47=15, Resulting Numbers: [66, 24, 15] Generated Node #0,3: 75:[66, 24, 15] Operation: 62-47=15 Exploring Operation: 47-24=23, Resulting Numbers: [66, 62, 23] Generated Node #0,4: 75:[66, 62, 23] Operation: 47-24=23 Moving to Node #0,3 Current State: 75:[66, 24, 15], Operations: ['62-47=15'] Exploring Operation: 24-15=9, Resulting Numbers: [66, 9] Generated Node #0,3,0: 75:[66, 9] Operation: 24-15=9 Exploring Operation: 24+15=39, Resulting Numbers: [66, 39] Generated Node #0,3,1: 75:[66, 39] Operation: 24+15=39 Exploring Operation: 66-24=42, Resulting Numbers: [15, 42] Generated Node #0,3,2: 75:[15, 42] Operation: 66-24=42 Exploring Operation: 66+15=81, Resulting Numbers: [24, 81] Generated Node #0,3,3: 75:[24, 81] Operation: 66+15=81 Exploring Operation: 66+24=90, Resulting Numbers: [15, 90] Generated Node #0,3,4: 75:[15, 90] Operation: 66+24=90 Moving to Node #0,2 Current State: 75:[62, 24, 19], Operations: ['66-47=19'] Exploring Operation: 62-19=43, Resulting Numbers: [24, 43] Generated Node #0,2,0: 75:[24, 43] Operation: 62-19=43 Exploring Operation: 24-19=5, Resulting Numbers: [62, 5] Generated Node #0,2,1: 75:[62, 5] Operation: 24-19=5 Exploring Operation: 62+19=81, Resulting Numbers: [24, 81] Generated Node #0,2,2: 75:[24, 81] Operation: 62+19=81 Exploring Operation: 62+24=86, Resulting Numbers: [19, 86] Generated Node #0,2,3: 75:[19, 86] Operation: 62+24=86 Exploring Operation: 62-24=38, Resulting Numbers: [19, 38] Generated Node #0,2,4: 75:[19, 38] Operation: 62-24=38 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 75:[24, 81], Operations: ['66-47=19', '62+19=81'] Exploring Operation: 24*81=1944, Resulting Numbers: [1944] 1944,75 unequal: No Solution Exploring Operation: 24+81=105, Resulting Numbers: [105] 105,75 unequal: No Solution Exploring Operation: 81-24=57, Resulting Numbers: [57] 57,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 75:[62, 5], Operations: ['66-47=19', '24-19=5'] Exploring Operation: 62-5=57, Resulting Numbers: [57] 57,75 unequal: No Solution Exploring Operation: 62*5=310, Resulting Numbers: [310] 310,75 unequal: No Solution Exploring Operation: 62+5=67, Resulting Numbers: [67] 67,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 75:[19, 86], Operations: ['66-47=19', '62+24=86'] Exploring Operation: 19*86=1634, Resulting Numbers: [1634] 1634,75 unequal: No Solution Exploring Operation: 19+86=105, Resulting Numbers: [105] 105,75 unequal: No Solution Exploring Operation: 86-19=67, Resulting Numbers: [67] 67,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 75:[19, 38], Operations: ['66-47=19', '62-24=38'] Exploring Operation: 19+38=57, Resulting Numbers: [57] 57,75 unequal: No Solution Exploring Operation: 38-19=19, Resulting Numbers: [19] 19,75 unequal: No Solution Exploring Operation: 38/19=2, Resulting Numbers: [2] 2,75 unequal: No Solution Exploring Operation: 19*38=722, Resulting Numbers: [722] 722,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 75:[24, 43], Operations: ['66-47=19', '62-19=43'] Exploring Operation: 24*43=1032, Resulting Numbers: [1032] 1032,75 unequal: No Solution Exploring Operation: 24+43=67, Resulting Numbers: [67] 67,75 unequal: No Solution Exploring Operation: 43-24=19, Resulting Numbers: [19] 19,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 75:[47, 24, 4], Operations: ['66-62=4'] Exploring Operation: 47+24=71, Resulting Numbers: [4, 71] Generated Node #0,0,0: 75:[4, 71] Operation: 47+24=71 Exploring Operation: 47-4=43, Resulting Numbers: [24, 43] Generated Node #0,0,1: 75:[24, 43] Operation: 47-4=43 Exploring Operation: 24/4=6, Resulting Numbers: [47, 6] Generated Node #0,0,2: 75:[47, 6] Operation: 24/4=6 Exploring Operation: 47+4=51, Resulting Numbers: [24, 51] Generated Node #0,0,3: 75:[24, 51] Operation: 47+4=51 Exploring Operation: 47-24=23, Resulting Numbers: [4, 23] Generated Node #0,0,4: 75:[4, 23] Operation: 47-24=23 Moving to Node #0,4 Current State: 75:[66, 62, 23], Operations: ['47-24=23'] Exploring Operation: 62+23=85, Resulting Numbers: [66, 85] Generated Node #0,4,0: 75:[66, 85] Operation: 62+23=85 Exploring Operation: 66-62=4, Resulting Numbers: [23, 4] Generated Node #0,4,1: 75:[23, 4] Operation: 66-62=4 Exploring Operation: 62-23=39, Resulting Numbers: [66, 39] Generated Node #0,4,2: 75:[66, 39] Operation: 62-23=39 Exploring Operation: 66+23=89, Resulting Numbers: [62, 89] Generated Node #0,4,3: 75:[62, 89] Operation: 66+23=89 Exploring Operation: 66-23=43, Resulting Numbers: [62, 43] Generated Node #0,4,4: 75:[62, 43] Operation: 66-23=43 Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 75:[23, 4], Operations: ['47-24=23', '66-62=4'] Exploring Operation: 23+4=27, Resulting Numbers: [27] 27,75 unequal: No Solution Exploring Operation: 23-4=19, Resulting Numbers: [19] 19,75 unequal: No Solution Exploring Operation: 23*4=92, Resulting Numbers: [92] 92,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 75:[66, 85], Operations: ['47-24=23', '62+23=85'] Exploring Operation: 66*85=5610, Resulting Numbers: [5610] 5610,75 unequal: No Solution Exploring Operation: 66+85=151, Resulting Numbers: [151] 151,75 unequal: No Solution Exploring Operation: 85-66=19, Resulting Numbers: [19] 19,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 75:[66, 39], Operations: ['47-24=23', '62-23=39'] Exploring Operation: 66-39=27, Resulting Numbers: [27] 27,75 unequal: No Solution Exploring Operation: 66*39=2574, Resulting Numbers: [2574] 2574,75 unequal: No Solution Exploring Operation: 66+39=105, Resulting Numbers: [105] 105,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 75:[62, 89], Operations: ['47-24=23', '66+23=89'] Exploring Operation: 62+89=151, Resulting Numbers: [151] 151,75 unequal: No Solution Exploring Operation: 62*89=5518, Resulting Numbers: [5518] 5518,75 unequal: No Solution Exploring Operation: 89-62=27, Resulting Numbers: [27] 27,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 75:[62, 43], Operations: ['47-24=23', '66-23=43'] Exploring Operation: 62*43=2666, Resulting Numbers: [2666] 2666,75 unequal: No Solution Exploring Operation: 62+43=105, Resulting Numbers: [105] 105,75 unequal: No Solution Exploring Operation: 62-43=19, Resulting Numbers: [19] 19,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 75:[66, 62, 71], Operations: ['47+24=71'] Exploring Operation: 62+71=133, Resulting Numbers: [66, 133] Generated Node #0,1,0: 75:[66, 133] Operation: 62+71=133 Exploring Operation: 71-62=9, Resulting Numbers: [66, 9] Generated Node #0,1,1: 75:[66, 9] Operation: 71-62=9 Exploring Operation: 66-62=4, Resulting Numbers: [71, 4] Generated Node #0,1,2: 75:[71, 4] Operation: 66-62=4 Exploring Operation: 66+62=128, Resulting Numbers: [71, 128] Generated Node #0,1,3: 75:[71, 128] Operation: 66+62=128 Exploring Operation: 71-66=5, Resulting Numbers: [62, 5] Generated Node #0,1,4: 75:[62, 5] Operation: 71-66=5 Moving to Node #0,0,4 Current State: 75:[4, 23], Operations: ['66-62=4', '47-24=23'] Exploring Operation: 4*23=92, Resulting Numbers: [92] 92,75 unequal: No Solution Exploring Operation: 4+23=27, Resulting Numbers: [27] 27,75 unequal: No Solution Exploring Operation: 23-4=19, Resulting Numbers: [19] 19,75 unequal: No Solution Moving to Node #0,0,0 Current State: 75:[4, 71], Operations: ['66-62=4', '47+24=71'] Exploring Operation: 4*71=284, Resulting Numbers: [284] 284,75 unequal: No Solution Exploring Operation: 71-4=67, Resulting Numbers: [67] 67,75 unequal: No Solution Exploring Operation: 4+71=75, Resulting Numbers: [75] 75,75 equal: Goal Reached Moving to Node #0 Current State: 75:[47, 66, 62, 24], Operations: [] Exploring Operation: 66-62=4, Resulting Numbers: [47, 24, 4] Generated Node #0,0: 75:[47, 24, 4] Operation: 66-62=4 Moving to Node #0,0 Current State: 75:[47, 24, 4], Operations: ['66-62=4'] Exploring Operation: 47+24=71, Resulting Numbers: [4, 71] Generated Node #0,0,0: 75:[4, 71] Operation: 47+24=71 Moving to Node #0,0,0 Current State: 75:[4, 71], Operations: ['66-62=4', '47+24=71'] Exploring Operation: 4+71=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
0.938368
hs_5
sum_heuristic
[ 27, 78, 65, 14 ]
59
[ "27-14=13", "78/13=6", "65-6=59" ]
Current State: 59:[27, 78, 65, 14], Operations: [] Exploring Operation: 27-14=13, Resulting Numbers: [78, 65, 13] Generated Node #2: [78, 65, 13] from Operation: 27-14=13 Current State: 59:[78, 65, 13], Operations: ['27-14=13'] Exploring Operation: 78/13=6, Resulting Numbers: [65, 6] Generated Node #3: [65, 6] from Operation: 78/13=6 Current State: 59:[65, 6], Operations: ['27-14=13', '78/13=6'] Exploring Operation: 65-6=59, Resulting Numbers: [59] 59,59 equal: Goal Reached
4
Current State: 59:[27, 78, 65, 14], Operations: [] Exploring Operation: 78-14=64, Resulting Numbers: [27, 65, 64] Generated Node #0,0: 59:[27, 65, 64] Operation: 78-14=64 Exploring Operation: 27+14=41, Resulting Numbers: [78, 65, 41] Generated Node #0,1: 59:[78, 65, 41] Operation: 27+14=41 Exploring Operation: 78-27=51, Resulting Numbers: [65, 14, 51] Generated Node #0,2: 59:[65, 14, 51] Operation: 78-27=51 Start Sub Search at level 1: Moving to Node #0,0 Current State: 59:[27, 65, 64], Operations: ['78-14=64'] Exploring Operation: 65-27=38, Resulting Numbers: [64, 38] Generated Node #0,0,0: 59:[64, 38] Operation: 65-27=38 Exploring Operation: 64-27=37, Resulting Numbers: [65, 37] Generated Node #0,0,1: 59:[65, 37] Operation: 64-27=37 Exploring Operation: 27+65=92, Resulting Numbers: [64, 92] Generated Node #0,0,2: 59:[64, 92] Operation: 27+65=92 Moving to Node #0,0,0 Current State: 59:[64, 38], Operations: ['78-14=64', '65-27=38'] Exploring Operation: 64+38=102, Resulting Numbers: [102] 102,59 unequal: No Solution Exploring Operation: 64*38=2432, Resulting Numbers: [2432] 2432,59 unequal: No Solution Exploring Operation: 64-38=26, Resulting Numbers: [26] 26,59 unequal: No Solution Moving to Node #0,0,1 Current State: 59:[65, 37], Operations: ['78-14=64', '64-27=37'] Exploring Operation: 65*37=2405, Resulting Numbers: [2405] 2405,59 unequal: No Solution Exploring Operation: 65+37=102, Resulting Numbers: [102] 102,59 unequal: No Solution Exploring Operation: 65-37=28, Resulting Numbers: [28] 28,59 unequal: No Solution Moving to Node #0,0,2 Current State: 59:[64, 92], Operations: ['78-14=64', '27+65=92'] Exploring Operation: 64+92=156, Resulting Numbers: [156] 156,59 unequal: No Solution Exploring Operation: 64*92=5888, Resulting Numbers: [5888] 5888,59 unequal: No Solution Exploring Operation: 92-64=28, Resulting Numbers: [28] 28,59 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 59:[78, 65, 41], Operations: ['27+14=41'] Exploring Operation: 78-65=13, Resulting Numbers: [41, 13] Generated Node #0,1,0: 59:[41, 13] Operation: 78-65=13 Exploring Operation: 78-41=37, Resulting Numbers: [65, 37] Generated Node #0,1,1: 59:[65, 37] Operation: 78-41=37 Exploring Operation: 65-41=24, Resulting Numbers: [78, 24] Generated Node #0,1,2: 59:[78, 24] Operation: 65-41=24 Moving to Node #0,1,1 Current State: 59:[65, 37], Operations: ['27+14=41', '78-41=37'] Exploring Operation: 65*37=2405, Resulting Numbers: [2405] 2405,59 unequal: No Solution Exploring Operation: 65+37=102, Resulting Numbers: [102] 102,59 unequal: No Solution Exploring Operation: 65-37=28, Resulting Numbers: [28] 28,59 unequal: No Solution Moving to Node #0,1,2 Current State: 59:[78, 24], Operations: ['27+14=41', '65-41=24'] Exploring Operation: 78-24=54, Resulting Numbers: [54] 54,59 unequal: No Solution Exploring Operation: 78+24=102, Resulting Numbers: [102] 102,59 unequal: No Solution Exploring Operation: 78*24=1872, Resulting Numbers: [1872] 1872,59 unequal: No Solution Moving to Node #0,1,0 Current State: 59:[41, 13], Operations: ['27+14=41', '78-65=13'] Exploring Operation: 41+13=54, Resulting Numbers: [54] 54,59 unequal: No Solution Exploring Operation: 41-13=28, Resulting Numbers: [28] 28,59 unequal: No Solution Exploring Operation: 41*13=533, Resulting Numbers: [533] 533,59 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 59:[65, 14, 51], Operations: ['78-27=51'] Exploring Operation: 65-14=51, Resulting Numbers: [51, 51] Generated Node #0,2,0: 59:[51, 51] Operation: 65-14=51 Exploring Operation: 14+51=65, Resulting Numbers: [65, 65] Generated Node #0,2,1: 59:[65, 65] Operation: 14+51=65 Exploring Operation: 65+14=79, Resulting Numbers: [51, 79] Generated Node #0,2,2: 59:[51, 79] Operation: 65+14=79 Moving to Node #0,2,1 Current State: 59:[65, 65], Operations: ['78-27=51', '14+51=65'] Exploring Operation: 65/65=1, Resulting Numbers: [1] 1,59 unequal: No Solution Exploring Operation: 65+65=130, Resulting Numbers: [130] 130,59 unequal: No Solution Exploring Operation: 65-65=0, Resulting Numbers: [0] 0,59 unequal: No Solution Moving to Node #0,2,0 Current State: 59:[51, 51], Operations: ['78-27=51', '65-14=51'] Exploring Operation: 51+51=102, Resulting Numbers: [102] 102,59 unequal: No Solution Exploring Operation: 51-51=0, Resulting Numbers: [0] 0,59 unequal: No Solution Exploring Operation: 51/51=1, Resulting Numbers: [1] 1,59 unequal: No Solution Moving to Node #0,2,2 Current State: 59:[51, 79], Operations: ['78-27=51', '65+14=79'] Exploring Operation: 51*79=4029, Resulting Numbers: [4029] 4029,59 unequal: No Solution Exploring Operation: 79-51=28, Resulting Numbers: [28] 28,59 unequal: No Solution Exploring Operation: 51+79=130, Resulting Numbers: [130] 130,59 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
mult_heuristic
[ 13, 18, 34, 21 ]
89
[ "21-18=3", "34*3=102", "102-13=89" ]
Current State: 89:[13, 18, 34, 21], Operations: [] Exploring Operation: 21-18=3, Resulting Numbers: [13, 34, 3] Generated Node #2: [13, 34, 3] from Operation: 21-18=3 Current State: 89:[13, 34, 3], Operations: ['21-18=3'] Exploring Operation: 34*3=102, Resulting Numbers: [13, 102] Generated Node #3: [13, 102] from Operation: 34*3=102 Current State: 89:[13, 102], Operations: ['21-18=3', '34*3=102'] Exploring Operation: 102-13=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
4
Current State: 89:[13, 18, 34, 21], Operations: [] Exploring Operation: 13+21=34, Resulting Numbers: [18, 34, 34] Generated Node #0,0: 89:[18, 34, 34] Operation: 13+21=34 Exploring Operation: 13+34=47, Resulting Numbers: [18, 21, 47] Generated Node #0,1: 89:[18, 21, 47] Operation: 13+34=47 Exploring Operation: 13+18=31, Resulting Numbers: [34, 21, 31] Generated Node #0,2: 89:[34, 21, 31] Operation: 13+18=31 Moving to Node #0,0 Current State: 89:[18, 34, 34], Operations: ['13+21=34'] Exploring Operation: 18+34=52, Resulting Numbers: [34, 52] Generated Node #0,0,0: 89:[34, 52] Operation: 18+34=52 Exploring Operation: 18+34=52, Resulting Numbers: [34, 52] Generated Node #0,0,1: 89:[34, 52] Operation: 18+34=52 Exploring Operation: 34+34=68, Resulting Numbers: [18, 68] Generated Node #0,0,2: 89:[18, 68] Operation: 34+34=68 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 89:[34, 52], Operations: ['13+21=34', '18+34=52'] Exploring Operation: 52-34=18, Resulting Numbers: [18] 18,89 unequal: No Solution Exploring Operation: 34+52=86, Resulting Numbers: [86] 86,89 unequal: No Solution Exploring Operation: 34*52=1768, Resulting Numbers: [1768] 1768,89 unequal: No Solution No 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: 89:[34, 52], Operations: ['13+21=34', '18+34=52'] Exploring Operation: 52-34=18, Resulting Numbers: [18] 18,89 unequal: No Solution Exploring Operation: 34+52=86, Resulting Numbers: [86] 86,89 unequal: No Solution Exploring Operation: 34*52=1768, Resulting Numbers: [1768] 1768,89 unequal: No Solution No 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: 89:[18, 68], Operations: ['13+21=34', '34+34=68'] Exploring Operation: 18*68=1224, Resulting Numbers: [1224] 1224,89 unequal: No Solution Exploring Operation: 68-18=50, Resulting Numbers: [50] 50,89 unequal: No Solution Exploring Operation: 18+68=86, Resulting Numbers: [86] 86,89 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: 89:[18, 21, 47], Operations: ['13+34=47'] Exploring Operation: 18+47=65, Resulting Numbers: [21, 65] Generated Node #0,1,0: 89:[21, 65] Operation: 18+47=65 Exploring Operation: 21+47=68, Resulting Numbers: [18, 68] Generated Node #0,1,1: 89:[18, 68] Operation: 21+47=68 Exploring Operation: 18+21=39, Resulting Numbers: [47, 39] Generated Node #0,1,2: 89:[47, 39] Operation: 18+21=39 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 89:[21, 65], Operations: ['13+34=47', '18+47=65'] Exploring Operation: 21*65=1365, Resulting Numbers: [1365] 1365,89 unequal: No Solution Exploring Operation: 21+65=86, Resulting Numbers: [86] 86,89 unequal: No Solution Exploring Operation: 65-21=44, Resulting Numbers: [44] 44,89 unequal: No Solution No solution 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: 89:[18, 68], Operations: ['13+34=47', '21+47=68'] Exploring Operation: 18+68=86, Resulting Numbers: [86] 86,89 unequal: No Solution Exploring Operation: 68-18=50, Resulting Numbers: [50] 50,89 unequal: No Solution Exploring Operation: 18*68=1224, Resulting Numbers: [1224] 1224,89 unequal: No Solution No solution 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: 89:[47, 39], Operations: ['13+34=47', '18+21=39'] Exploring Operation: 47+39=86, Resulting Numbers: [86] 86,89 unequal: No Solution Exploring Operation: 47*39=1833, Resulting Numbers: [1833] 1833,89 unequal: No Solution Exploring Operation: 47-39=8, Resulting Numbers: [8] 8,89 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: 89:[34, 21, 31], Operations: ['13+18=31'] Exploring Operation: 34+31=65, Resulting Numbers: [21, 65] Generated Node #0,2,0: 89:[21, 65] Operation: 34+31=65 Exploring Operation: 21+31=52, Resulting Numbers: [34, 52] Generated Node #0,2,1: 89:[34, 52] Operation: 21+31=52 Exploring Operation: 34+21=55, Resulting Numbers: [31, 55] Generated Node #0,2,2: 89:[31, 55] Operation: 34+21=55 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 89:[21, 65], Operations: ['13+18=31', '34+31=65'] Exploring Operation: 21+65=86, Resulting Numbers: [86] 86,89 unequal: No Solution Exploring Operation: 65-21=44, Resulting Numbers: [44] 44,89 unequal: No Solution Exploring Operation: 21*65=1365, Resulting Numbers: [1365] 1365,89 unequal: No Solution No 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: 89:[34, 52], Operations: ['13+18=31', '21+31=52'] Exploring Operation: 52-34=18, Resulting Numbers: [18] 18,89 unequal: No Solution Exploring Operation: 34*52=1768, Resulting Numbers: [1768] 1768,89 unequal: No Solution Exploring Operation: 34+52=86, Resulting Numbers: [86] 86,89 unequal: No Solution No 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: 89:[31, 55], Operations: ['13+18=31', '34+21=55'] Exploring Operation: 31+55=86, Resulting Numbers: [86] 86,89 unequal: No Solution Exploring Operation: 55-31=24, Resulting Numbers: [24] 24,89 unequal: No Solution Exploring Operation: 31*55=1705, Resulting Numbers: [1705] 1705,89 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
[ 60, 26, 19, 25 ]
40
[ "60-26=34", "25-19=6", "34+6=40" ]
Current State: 40:[60, 26, 19, 25], Operations: [] Exploring Operation: 60-26=34, Resulting Numbers: [19, 25, 34] Generated Node #2: [19, 25, 34] from Operation: 60-26=34 Current State: 40:[19, 25, 34], Operations: ['60-26=34'] Exploring Operation: 25-19=6, Resulting Numbers: [34, 6] Generated Node #3: [34, 6] from Operation: 25-19=6 Current State: 40:[34, 6], Operations: ['60-26=34', '25-19=6'] Exploring Operation: 34+6=40, Resulting Numbers: [40] 40,40 equal: Goal Reached
4
Current State: 40:[60, 26, 19, 25], Operations: [] Exploring Operation: 60-26=34, Resulting Numbers: [19, 25, 34] Generated Node #0,0: 40:[19, 25, 34] Operation: 60-26=34 Exploring Operation: 60-19=41, Resulting Numbers: [26, 25, 41] Generated Node #0,1: 40:[26, 25, 41] Operation: 60-19=41 Start Sub Search at level 1: Moving to Node #0,0 Current State: 40:[19, 25, 34], Operations: ['60-26=34'] Exploring Operation: 25-19=6, Resulting Numbers: [34, 6] Generated Node #0,0,0: 40:[34, 6] Operation: 25-19=6 Exploring Operation: 34-25=9, Resulting Numbers: [19, 9] Generated Node #0,0,1: 40:[19, 9] Operation: 34-25=9 Moving to Node #0,0,1 Current State: 40:[19, 9], Operations: ['60-26=34', '34-25=9'] Exploring Operation: 19+9=28, Resulting Numbers: [28] 28,40 unequal: No Solution Exploring Operation: 19-9=10, Resulting Numbers: [10] 10,40 unequal: No Solution Moving to Node #0,0,0 Current State: 40:[34, 6], Operations: ['60-26=34', '25-19=6'] Exploring Operation: 34+6=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Moving to Node #0 Current State: 40:[60, 26, 19, 25], Operations: [] Exploring Operation: 60-26=34, Resulting Numbers: [19, 25, 34] Generated Node #0,0: 40:[19, 25, 34] Operation: 60-26=34 Moving to Node #0,0 Current State: 40:[19, 25, 34], Operations: ['60-26=34'] Exploring Operation: 25-19=6, Resulting Numbers: [34, 6] Generated Node #0,0,0: 40:[34, 6] Operation: 25-19=6 Moving to Node #0,0,0 Current State: 40:[34, 6], Operations: ['60-26=34', '25-19=6'] Exploring Operation: 34+6=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_2
mult_heuristic
[ 88, 91, 64, 85 ]
62
[ "91+85=176", "176/88=2", "64-2=62" ]
Current State: 62:[88, 91, 64, 85], Operations: [] Exploring Operation: 91+85=176, Resulting Numbers: [88, 64, 176] Generated Node #2: [88, 64, 176] from Operation: 91+85=176 Current State: 62:[88, 64, 176], Operations: ['91+85=176'] Exploring Operation: 176/88=2, Resulting Numbers: [64, 2] Generated Node #3: [64, 2] from Operation: 176/88=2 Current State: 62:[64, 2], Operations: ['91+85=176', '176/88=2'] Exploring Operation: 64-2=62, Resulting Numbers: [62] 62,62 equal: Goal Reached
4
Current State: 62:[88, 91, 64, 85], Operations: [] Exploring Operation: 91-88=3, Resulting Numbers: [64, 85, 3] Generated Node #0,0: 62:[64, 85, 3] Operation: 91-88=3 Exploring Operation: 88-85=3, Resulting Numbers: [91, 64, 3] Generated Node #0,1: 62:[91, 64, 3] Operation: 88-85=3 Moving to Node #0,0 Current State: 62:[64, 85, 3], Operations: ['91-88=3'] Exploring Operation: 85-64=21, Resulting Numbers: [3, 21] Generated Node #0,0,0: 62:[3, 21] Operation: 85-64=21 Exploring Operation: 85-3=82, Resulting Numbers: [64, 82] Generated Node #0,0,1: 62:[64, 82] Operation: 85-3=82 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 62:[3, 21], Operations: ['91-88=3', '85-64=21'] Exploring Operation: 21/3=7, Resulting Numbers: [7] 7,62 unequal: No Solution Exploring Operation: 3*21=63, Resulting Numbers: [63] 63,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 62:[64, 82], Operations: ['91-88=3', '85-3=82'] Exploring Operation: 82-64=18, Resulting Numbers: [18] 18,62 unequal: No Solution Exploring Operation: 64+82=146, Resulting Numbers: [146] 146,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 62:[91, 64, 3], Operations: ['88-85=3'] Exploring Operation: 91-64=27, Resulting Numbers: [3, 27] Generated Node #0,1,0: 62:[3, 27] Operation: 91-64=27 Exploring Operation: 91-3=88, Resulting Numbers: [64, 88] Generated Node #0,1,1: 62:[64, 88] Operation: 91-3=88 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 62:[3, 27], Operations: ['88-85=3', '91-64=27'] Exploring Operation: 3+27=30, Resulting Numbers: [30] 30,62 unequal: No Solution Exploring Operation: 27-3=24, Resulting Numbers: [24] 24,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 62:[64, 88], Operations: ['88-85=3', '91-3=88'] Exploring Operation: 88-64=24, Resulting Numbers: [24] 24,62 unequal: No Solution Exploring Operation: 64+88=152, Resulting Numbers: [152] 152,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 92, 68, 14, 4 ]
61
[ "92-14=78", "68/4=17", "78-17=61" ]
Current State: 61:[92, 68, 14, 4], Operations: [] Exploring Operation: 92-14=78, Resulting Numbers: [68, 4, 78] Generated Node #2: [68, 4, 78] from Operation: 92-14=78 Current State: 61:[68, 4, 78], Operations: ['92-14=78'] Exploring Operation: 68/4=17, Resulting Numbers: [78, 17] Generated Node #3: [78, 17] from Operation: 68/4=17 Current State: 61:[78, 17], Operations: ['92-14=78', '68/4=17'] Exploring Operation: 78-17=61, Resulting Numbers: [61] 61,61 equal: Goal Reached
4
Current State: 61:[92, 68, 14, 4], Operations: [] Exploring Operation: 14+4=18, Resulting Numbers: [92, 68, 18] Generated Node #0,0: 61:[92, 68, 18] Operation: 14+4=18 Exploring Operation: 92-4=88, Resulting Numbers: [68, 14, 88] Generated Node #0,1: 61:[68, 14, 88] Operation: 92-4=88 Exploring Operation: 68-4=64, Resulting Numbers: [92, 14, 64] Generated Node #0,2: 61:[92, 14, 64] Operation: 68-4=64 Exploring Operation: 14*4=56, Resulting Numbers: [92, 68, 56] Generated Node #0,3: 61:[92, 68, 56] Operation: 14*4=56 Exploring Operation: 92-14=78, Resulting Numbers: [68, 4, 78] Generated Node #0,4: 61:[68, 4, 78] Operation: 92-14=78 Start Sub Search at level 1: Moving to Node #0,3 Current State: 61:[92, 68, 56], Operations: ['14*4=56'] Exploring Operation: 68-56=12, Resulting Numbers: [92, 12] Generated Node #0,3,0: 61:[92, 12] Operation: 68-56=12 Exploring Operation: 92-56=36, Resulting Numbers: [68, 36] Generated Node #0,3,1: 61:[68, 36] Operation: 92-56=36 Exploring Operation: 92+56=148, Resulting Numbers: [68, 148] Generated Node #0,3,2: 61:[68, 148] Operation: 92+56=148 Exploring Operation: 68+56=124, Resulting Numbers: [92, 124] Generated Node #0,3,3: 61:[92, 124] Operation: 68+56=124 Exploring Operation: 92-68=24, Resulting Numbers: [56, 24] Generated Node #0,3,4: 61:[56, 24] Operation: 92-68=24 Moving to Node #0,3,1 Current State: 61:[68, 36], Operations: ['14*4=56', '92-56=36'] Exploring Operation: 68+36=104, Resulting Numbers: [104] 104,61 unequal: No Solution Exploring Operation: 68-36=32, Resulting Numbers: [32] 32,61 unequal: No Solution Exploring Operation: 68*36=2448, Resulting Numbers: [2448] 2448,61 unequal: No Solution Moving to Node #0,3,4 Current State: 61:[56, 24], Operations: ['14*4=56', '92-68=24'] Exploring Operation: 56+24=80, Resulting Numbers: [80] 80,61 unequal: No Solution Exploring Operation: 56-24=32, Resulting Numbers: [32] 32,61 unequal: No Solution Exploring Operation: 56*24=1344, Resulting Numbers: [1344] 1344,61 unequal: No Solution Moving to Node #0,3,0 Current State: 61:[92, 12], Operations: ['14*4=56', '68-56=12'] Exploring Operation: 92+12=104, Resulting Numbers: [104] 104,61 unequal: No Solution Exploring Operation: 92*12=1104, Resulting Numbers: [1104] 1104,61 unequal: No Solution Exploring Operation: 92-12=80, Resulting Numbers: [80] 80,61 unequal: No Solution Moving to Node #0,3,2 Current State: 61:[68, 148], Operations: ['14*4=56', '92+56=148'] Exploring Operation: 68+148=216, Resulting Numbers: [216] 216,61 unequal: No Solution Exploring Operation: 68*148=10064, Resulting Numbers: [10064] 10064,61 unequal: No Solution Exploring Operation: 148-68=80, Resulting Numbers: [80] 80,61 unequal: No Solution Moving to Node #0,3,3 Current State: 61:[92, 124], Operations: ['14*4=56', '68+56=124'] Exploring Operation: 92*124=11408, Resulting Numbers: [11408] 11408,61 unequal: No Solution Exploring Operation: 92+124=216, Resulting Numbers: [216] 216,61 unequal: No Solution Exploring Operation: 124-92=32, Resulting Numbers: [32] 32,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 61:[92, 68, 18], Operations: ['14+4=18'] Exploring Operation: 92-18=74, Resulting Numbers: [68, 74] Generated Node #0,0,0: 61:[68, 74] Operation: 92-18=74 Exploring Operation: 68+18=86, Resulting Numbers: [92, 86] Generated Node #0,0,1: 61:[92, 86] Operation: 68+18=86 Exploring Operation: 92+18=110, Resulting Numbers: [68, 110] Generated Node #0,0,2: 61:[68, 110] Operation: 92+18=110 Exploring Operation: 92-68=24, Resulting Numbers: [18, 24] Generated Node #0,0,3: 61:[18, 24] Operation: 92-68=24 Exploring Operation: 68-18=50, Resulting Numbers: [92, 50] Generated Node #0,0,4: 61:[92, 50] Operation: 68-18=50 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 61:[68, 74], Operations: ['14+4=18', '92-18=74'] Exploring Operation: 68*74=5032, Resulting Numbers: [5032] 5032,61 unequal: No Solution Exploring Operation: 68+74=142, Resulting Numbers: [142] 142,61 unequal: No Solution Exploring Operation: 74-68=6, Resulting Numbers: [6] 6,61 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 61:[92, 50], Operations: ['14+4=18', '68-18=50'] Exploring Operation: 92*50=4600, Resulting Numbers: [4600] 4600,61 unequal: No Solution Exploring Operation: 92+50=142, Resulting Numbers: [142] 142,61 unequal: No Solution Exploring Operation: 92-50=42, Resulting Numbers: [42] 42,61 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 61:[92, 86], Operations: ['14+4=18', '68+18=86'] Exploring Operation: 92-86=6, Resulting Numbers: [6] 6,61 unequal: No Solution Exploring Operation: 92*86=7912, Resulting Numbers: [7912] 7912,61 unequal: No Solution Exploring Operation: 92+86=178, Resulting Numbers: [178] 178,61 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 61:[68, 110], Operations: ['14+4=18', '92+18=110'] Exploring Operation: 68+110=178, Resulting Numbers: [178] 178,61 unequal: No Solution Exploring Operation: 110-68=42, Resulting Numbers: [42] 42,61 unequal: No Solution Exploring Operation: 68*110=7480, Resulting Numbers: [7480] 7480,61 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 61:[18, 24], Operations: ['14+4=18', '92-68=24'] Exploring Operation: 18+24=42, Resulting Numbers: [42] 42,61 unequal: No Solution Exploring Operation: 18*24=432, Resulting Numbers: [432] 432,61 unequal: No Solution Exploring Operation: 24-18=6, Resulting Numbers: [6] 6,61 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 61:[68, 14, 88], Operations: ['92-4=88'] Exploring Operation: 14+88=102, Resulting Numbers: [68, 102] Generated Node #0,1,0: 61:[68, 102] Operation: 14+88=102 Exploring Operation: 88-68=20, Resulting Numbers: [14, 20] Generated Node #0,1,1: 61:[14, 20] Operation: 88-68=20 Exploring Operation: 68-14=54, Resulting Numbers: [88, 54] Generated Node #0,1,2: 61:[88, 54] Operation: 68-14=54 Exploring Operation: 68+14=82, Resulting Numbers: [88, 82] Generated Node #0,1,3: 61:[88, 82] Operation: 68+14=82 Exploring Operation: 88-14=74, Resulting Numbers: [68, 74] Generated Node #0,1,4: 61:[68, 74] Operation: 88-14=74 Moving to Node #0,1,4 Current State: 61:[68, 74], Operations: ['92-4=88', '88-14=74'] Exploring Operation: 74-68=6, Resulting Numbers: [6] 6,61 unequal: No Solution Exploring Operation: 68*74=5032, Resulting Numbers: [5032] 5032,61 unequal: No Solution Exploring Operation: 68+74=142, Resulting Numbers: [142] 142,61 unequal: No Solution Moving to Node #0,1,2 Current State: 61:[88, 54], Operations: ['92-4=88', '68-14=54'] Exploring Operation: 88-54=34, Resulting Numbers: [34] 34,61 unequal: No Solution Exploring Operation: 88+54=142, Resulting Numbers: [142] 142,61 unequal: No Solution Exploring Operation: 88*54=4752, Resulting Numbers: [4752] 4752,61 unequal: No Solution Moving to Node #0,1,0 Current State: 61:[68, 102], Operations: ['92-4=88', '14+88=102'] Exploring Operation: 102-68=34, Resulting Numbers: [34] 34,61 unequal: No Solution Exploring Operation: 68+102=170, Resulting Numbers: [170] 170,61 unequal: No Solution Exploring Operation: 68*102=6936, Resulting Numbers: [6936] 6936,61 unequal: No Solution Moving to Node #0,1,3 Current State: 61:[88, 82], Operations: ['92-4=88', '68+14=82'] Exploring Operation: 88*82=7216, Resulting Numbers: [7216] 7216,61 unequal: No Solution Exploring Operation: 88-82=6, Resulting Numbers: [6] 6,61 unequal: No Solution Exploring Operation: 88+82=170, Resulting Numbers: [170] 170,61 unequal: No Solution Moving to Node #0,1,1 Current State: 61:[14, 20], Operations: ['92-4=88', '88-68=20'] Exploring Operation: 14+20=34, Resulting Numbers: [34] 34,61 unequal: No Solution Exploring Operation: 14*20=280, Resulting Numbers: [280] 280,61 unequal: No Solution Exploring Operation: 20-14=6, Resulting Numbers: [6] 6,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 61:[92, 14, 64], Operations: ['68-4=64'] Exploring Operation: 14+64=78, Resulting Numbers: [92, 78] Generated Node #0,2,0: 61:[92, 78] Operation: 14+64=78 Exploring Operation: 92+14=106, Resulting Numbers: [64, 106] Generated Node #0,2,1: 61:[64, 106] Operation: 92+14=106 Exploring Operation: 92-64=28, Resulting Numbers: [14, 28] Generated Node #0,2,2: 61:[14, 28] Operation: 92-64=28 Exploring Operation: 92-14=78, Resulting Numbers: [64, 78] Generated Node #0,2,3: 61:[64, 78] Operation: 92-14=78 Exploring Operation: 64-14=50, Resulting Numbers: [92, 50] Generated Node #0,2,4: 61:[92, 50] Operation: 64-14=50 Moving to Node #0,2,3 Current State: 61:[64, 78], Operations: ['68-4=64', '92-14=78'] Exploring Operation: 78-64=14, Resulting Numbers: [14] 14,61 unequal: No Solution Exploring Operation: 64*78=4992, Resulting Numbers: [4992] 4992,61 unequal: No Solution Exploring Operation: 64+78=142, Resulting Numbers: [142] 142,61 unequal: No Solution Moving to Node #0,2,4 Current State: 61:[92, 50], Operations: ['68-4=64', '64-14=50'] Exploring Operation: 92-50=42, Resulting Numbers: [42] 42,61 unequal: No Solution Exploring Operation: 92*50=4600, Resulting Numbers: [4600] 4600,61 unequal: No Solution Exploring Operation: 92+50=142, Resulting Numbers: [142] 142,61 unequal: No Solution Moving to Node #0,2,0 Current State: 61:[92, 78], Operations: ['68-4=64', '14+64=78'] Exploring Operation: 92-78=14, Resulting Numbers: [14] 14,61 unequal: No Solution Exploring Operation: 92*78=7176, Resulting Numbers: [7176] 7176,61 unequal: No Solution Exploring Operation: 92+78=170, Resulting Numbers: [170] 170,61 unequal: No Solution Moving to Node #0,2,1 Current State: 61:[64, 106], Operations: ['68-4=64', '92+14=106'] Exploring Operation: 64*106=6784, Resulting Numbers: [6784] 6784,61 unequal: No Solution Exploring Operation: 106-64=42, Resulting Numbers: [42] 42,61 unequal: No Solution Exploring Operation: 64+106=170, Resulting Numbers: [170] 170,61 unequal: No Solution Moving to Node #0,2,2 Current State: 61:[14, 28], Operations: ['68-4=64', '92-64=28'] Exploring Operation: 14*28=392, Resulting Numbers: [392] 392,61 unequal: No Solution Exploring Operation: 28-14=14, Resulting Numbers: [14] 14,61 unequal: No Solution Exploring Operation: 28/14=2, Resulting Numbers: [2] 2,61 unequal: No Solution Exploring Operation: 14+28=42, Resulting Numbers: [42] 42,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 61:[68, 4, 78], Operations: ['92-14=78'] Exploring Operation: 4+78=82, Resulting Numbers: [68, 82] Generated Node #0,4,0: 61:[68, 82] Operation: 4+78=82 Exploring Operation: 68+4=72, Resulting Numbers: [78, 72] Generated Node #0,4,1: 61:[78, 72] Operation: 68+4=72 Exploring Operation: 78-4=74, Resulting Numbers: [68, 74] Generated Node #0,4,2: 61:[68, 74] Operation: 78-4=74 Exploring Operation: 68/4=17, Resulting Numbers: [78, 17] Generated Node #0,4,3: 61:[78, 17] Operation: 68/4=17 Exploring Operation: 68-4=64, Resulting Numbers: [78, 64] Generated Node #0,4,4: 61:[78, 64] Operation: 68-4=64 Moving to Node #0,4,2 Current State: 61:[68, 74], Operations: ['92-14=78', '78-4=74'] Exploring Operation: 68+74=142, Resulting Numbers: [142] 142,61 unequal: No Solution Exploring Operation: 68*74=5032, Resulting Numbers: [5032] 5032,61 unequal: No Solution Exploring Operation: 74-68=6, Resulting Numbers: [6] 6,61 unequal: No Solution Moving to Node #0,4,4 Current State: 61:[78, 64], Operations: ['92-14=78', '68-4=64'] Exploring Operation: 78-64=14, Resulting Numbers: [14] 14,61 unequal: No Solution Exploring Operation: 78+64=142, Resulting Numbers: [142] 142,61 unequal: No Solution Exploring Operation: 78*64=4992, Resulting Numbers: [4992] 4992,61 unequal: No Solution Moving to Node #0,4,0 Current State: 61:[68, 82], Operations: ['92-14=78', '4+78=82'] Exploring Operation: 82-68=14, Resulting Numbers: [14] 14,61 unequal: No Solution Exploring Operation: 68*82=5576, Resulting Numbers: [5576] 5576,61 unequal: No Solution Exploring Operation: 68+82=150, Resulting Numbers: [150] 150,61 unequal: No Solution Moving to Node #0,4,1 Current State: 61:[78, 72], Operations: ['92-14=78', '68+4=72'] Exploring Operation: 78*72=5616, Resulting Numbers: [5616] 5616,61 unequal: No Solution Exploring Operation: 78-72=6, Resulting Numbers: [6] 6,61 unequal: No Solution Exploring Operation: 78+72=150, Resulting Numbers: [150] 150,61 unequal: No Solution Moving to Node #0,4,3 Current State: 61:[78, 17], Operations: ['92-14=78', '68/4=17'] Exploring Operation: 78-17=61, Resulting Numbers: [61] 61,61 equal: Goal Reached Moving to Node #0 Current State: 61:[92, 68, 14, 4], Operations: [] Exploring Operation: 92-14=78, Resulting Numbers: [68, 4, 78] Generated Node #0,4: 61:[68, 4, 78] Operation: 92-14=78 Moving to Node #0,4 Current State: 61:[68, 4, 78], Operations: ['92-14=78'] Exploring Operation: 68/4=17, Resulting Numbers: [78, 17] Generated Node #0,4,3: 61:[78, 17] Operation: 68/4=17 Moving to Node #0,4,3 Current State: 61:[78, 17], Operations: ['92-14=78', '68/4=17'] Exploring Operation: 78-17=61, Resulting Numbers: [61] 61,61 equal: Goal Reached Exit Sub Search at level 1
0.90625
hs_5
mult_heuristic
[ 74, 92, 34, 70 ]
54
[ "92-74=18", "70-34=36", "18+36=54" ]
Current State: 54:[74, 92, 34, 70], Operations: [] Exploring Operation: 92-74=18, Resulting Numbers: [34, 70, 18] Generated Node #2: [34, 70, 18] from Operation: 92-74=18 Current State: 54:[34, 70, 18], Operations: ['92-74=18'] Exploring Operation: 70-34=36, Resulting Numbers: [18, 36] Generated Node #3: [18, 36] from Operation: 70-34=36 Current State: 54:[18, 36], Operations: ['92-74=18', '70-34=36'] Exploring Operation: 18+36=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
4
Current State: 54:[74, 92, 34, 70], Operations: [] Exploring Operation: 92-74=18, Resulting Numbers: [34, 70, 18] Generated Node #0,0: 54:[34, 70, 18] Operation: 92-74=18 Exploring Operation: 92-70=22, Resulting Numbers: [74, 34, 22] Generated Node #0,1: 54:[74, 34, 22] Operation: 92-70=22 Start Sub Search at level 1: Moving to Node #0,0 Current State: 54:[34, 70, 18], Operations: ['92-74=18'] Exploring Operation: 70-34=36, Resulting Numbers: [18, 36] Generated Node #0,0,0: 54:[18, 36] Operation: 70-34=36 Exploring Operation: 70-18=52, Resulting Numbers: [34, 52] Generated Node #0,0,1: 54:[34, 52] Operation: 70-18=52 Moving to Node #0,0,0 Current State: 54:[18, 36], Operations: ['92-74=18', '70-34=36'] Exploring Operation: 18+36=54, Resulting Numbers: [54] 54,54 equal: Goal Reached Moving to Node #0 Current State: 54:[74, 92, 34, 70], Operations: [] Exploring Operation: 92-74=18, Resulting Numbers: [34, 70, 18] Generated Node #0,0: 54:[34, 70, 18] Operation: 92-74=18 Moving to Node #0,0 Current State: 54:[34, 70, 18], Operations: ['92-74=18'] Exploring Operation: 70-34=36, Resulting Numbers: [18, 36] Generated Node #0,0,0: 54:[18, 36] Operation: 70-34=36 Moving to Node #0,0,0 Current State: 54:[18, 36], Operations: ['92-74=18', '70-34=36'] Exploring Operation: 18+36=54, Resulting Numbers: [54] 54,54 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
sum_heuristic
[ 56, 47, 19, 50 ]
22
[ "56-47=9", "50-19=31", "31-9=22" ]
Current State: 22:[56, 47, 19, 50], Operations: [] Exploring Operation: 56-47=9, Resulting Numbers: [19, 50, 9] Generated Node #2: [19, 50, 9] from Operation: 56-47=9 Current State: 22:[19, 50, 9], Operations: ['56-47=9'] Exploring Operation: 50-19=31, Resulting Numbers: [9, 31] Generated Node #3: [9, 31] from Operation: 50-19=31 Current State: 22:[9, 31], Operations: ['56-47=9', '50-19=31'] Exploring Operation: 31-9=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
4
Current State: 22:[56, 47, 19, 50], Operations: [] Exploring Operation: 50-47=3, Resulting Numbers: [56, 19, 3] Generated Node #0,0: 22:[56, 19, 3] Operation: 50-47=3 Exploring Operation: 56-47=9, Resulting Numbers: [19, 50, 9] Generated Node #0,1: 22:[19, 50, 9] Operation: 56-47=9 Exploring Operation: 56-19=37, Resulting Numbers: [47, 50, 37] Generated Node #0,2: 22:[47, 50, 37] Operation: 56-19=37 Exploring Operation: 56-50=6, Resulting Numbers: [47, 19, 6] Generated Node #0,3: 22:[47, 19, 6] Operation: 56-50=6 Moving to Node #0,3 Current State: 22:[47, 19, 6], Operations: ['56-50=6'] Exploring Operation: 19-6=13, Resulting Numbers: [47, 13] Generated Node #0,3,0: 22:[47, 13] Operation: 19-6=13 Exploring Operation: 19+6=25, Resulting Numbers: [47, 25] Generated Node #0,3,1: 22:[47, 25] Operation: 19+6=25 Exploring Operation: 47-6=41, Resulting Numbers: [19, 41] Generated Node #0,3,2: 22:[19, 41] Operation: 47-6=41 Exploring Operation: 47-19=28, Resulting Numbers: [6, 28] Generated Node #0,3,3: 22:[6, 28] Operation: 47-19=28 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 22:[6, 28], Operations: ['56-50=6', '47-19=28'] Exploring Operation: 6+28=34, Resulting Numbers: [34] 34,22 unequal: No Solution Exploring Operation: 28-6=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Moving to Node #0 Current State: 22:[56, 47, 19, 50], Operations: [] Exploring Operation: 56-50=6, Resulting Numbers: [47, 19, 6] Generated Node #0,3: 22:[47, 19, 6] Operation: 56-50=6 Moving to Node #0,3 Current State: 22:[47, 19, 6], Operations: ['56-50=6'] Exploring Operation: 47-19=28, Resulting Numbers: [6, 28] Generated Node #0,3,3: 22:[6, 28] Operation: 47-19=28 Moving to Node #0,3,3 Current State: 22:[6, 28], Operations: ['56-50=6', '47-19=28'] Exploring Operation: 28-6=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_4
mult_heuristic
[ 74, 24, 2, 79 ]
58
[ "74-24=50", "79-50=29", "2*29=58" ]
Current State: 58:[74, 24, 2, 79], Operations: [] Exploring Operation: 74-24=50, Resulting Numbers: [2, 79, 50] Generated Node #2: [2, 79, 50] from Operation: 74-24=50 Current State: 58:[2, 79, 50], Operations: ['74-24=50'] Exploring Operation: 79-50=29, Resulting Numbers: [2, 29] Generated Node #3: [2, 29] from Operation: 79-50=29 Current State: 58:[2, 29], Operations: ['74-24=50', '79-50=29'] Exploring Operation: 2*29=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[74, 24, 2, 79], Operations: [] Exploring Operation: 79-24=55, Resulting Numbers: [74, 2, 55] Generated Node #0,0: 58:[74, 2, 55] Operation: 79-24=55 Exploring Operation: 79-74=5, Resulting Numbers: [24, 2, 5] Generated Node #0,1: 58:[24, 2, 5] Operation: 79-74=5 Moving to Node #0,1 Current State: 58:[24, 2, 5], Operations: ['79-74=5'] Exploring Operation: 24+2=26, Resulting Numbers: [5, 26] Generated Node #0,1,0: 58:[5, 26] Operation: 24+2=26 Exploring Operation: 24+5=29, Resulting Numbers: [2, 29] Generated Node #0,1,1: 58:[2, 29] Operation: 24+5=29 Moving to Node #0,0 Current State: 58:[74, 2, 55], Operations: ['79-24=55'] Exploring Operation: 74/2=37, Resulting Numbers: [55, 37] Generated Node #0,0,0: 58:[55, 37] Operation: 74/2=37 Exploring Operation: 74-55=19, Resulting Numbers: [2, 19] Generated Node #0,0,1: 58:[2, 19] Operation: 74-55=19 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 58:[2, 19], Operations: ['79-24=55', '74-55=19'] Exploring Operation: 2+19=21, Resulting Numbers: [21] 21,58 unequal: No Solution Exploring Operation: 2*19=38, Resulting Numbers: [38] 38,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 58:[55, 37], Operations: ['79-24=55', '74/2=37'] Exploring Operation: 55-37=18, Resulting Numbers: [18] 18,58 unequal: No Solution Exploring Operation: 55+37=92, Resulting Numbers: [92] 92,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1,1 Current State: 58:[2, 29], Operations: ['79-74=5', '24+5=29'] Exploring Operation: 2*29=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Moving to Node #0 Current State: 58:[74, 24, 2, 79], Operations: [] Exploring Operation: 79-74=5, Resulting Numbers: [24, 2, 5] Generated Node #0,1: 58:[24, 2, 5] Operation: 79-74=5 Moving to Node #0,1 Current State: 58:[24, 2, 5], Operations: ['79-74=5'] Exploring Operation: 24+5=29, Resulting Numbers: [2, 29] Generated Node #0,1,1: 58:[2, 29] Operation: 24+5=29 Moving to Node #0,1,1 Current State: 58:[2, 29], Operations: ['79-74=5', '24+5=29'] Exploring Operation: 2*29=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
0.986979
hs_2
sum_heuristic
[ 73, 90, 33, 41 ]
25
[ "90-73=17", "41-33=8", "17+8=25" ]
Current State: 25:[73, 90, 33, 41], Operations: [] Exploring Operation: 90-73=17, Resulting Numbers: [33, 41, 17] Generated Node #2: [33, 41, 17] from Operation: 90-73=17 Current State: 25:[33, 41, 17], Operations: ['90-73=17'] Exploring Operation: 41-33=8, Resulting Numbers: [17, 8] Generated Node #3: [17, 8] from Operation: 41-33=8 Current State: 25:[17, 8], Operations: ['90-73=17', '41-33=8'] Exploring Operation: 17+8=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[73, 90, 33, 41], Operations: [] Exploring Operation: 90-73=17, Resulting Numbers: [33, 41, 17] Generated Node #0,0: 25:[33, 41, 17] Operation: 90-73=17 Start Sub Search at level 1: Moving to Node #0,0 Current State: 25:[33, 41, 17], Operations: ['90-73=17'] Exploring Operation: 41-17=24, Resulting Numbers: [33, 24] Generated Node #0,0,0: 25:[33, 24] Operation: 41-17=24 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 25:[33, 24], Operations: ['90-73=17', '41-17=24'] Exploring Operation: 33-24=9, Resulting Numbers: [9] 9,25 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 62, 27, 99, 38 ]
96
[ "62-27=35", "99-38=61", "35+61=96" ]
Current State: 96:[62, 27, 99, 38], Operations: [] Exploring Operation: 62-27=35, Resulting Numbers: [99, 38, 35] Generated Node #2: [99, 38, 35] from Operation: 62-27=35 Current State: 96:[99, 38, 35], Operations: ['62-27=35'] Exploring Operation: 99-38=61, Resulting Numbers: [35, 61] Generated Node #3: [35, 61] from Operation: 99-38=61 Current State: 96:[35, 61], Operations: ['62-27=35', '99-38=61'] Exploring Operation: 35+61=96, Resulting Numbers: [96] 96,96 equal: Goal Reached
4
Current State: 96:[62, 27, 99, 38], Operations: [] Exploring Operation: 62+38=100, Resulting Numbers: [27, 99, 100] Generated Node #0,0: 96:[27, 99, 100] Operation: 62+38=100 Exploring Operation: 62-38=24, Resulting Numbers: [27, 99, 24] Generated Node #0,1: 96:[27, 99, 24] Operation: 62-38=24 Exploring Operation: 62-27=35, Resulting Numbers: [99, 38, 35] Generated Node #0,2: 96:[99, 38, 35] Operation: 62-27=35 Moving to Node #0,1 Current State: 96:[27, 99, 24], Operations: ['62-38=24'] Exploring Operation: 27-24=3, Resulting Numbers: [99, 3] Generated Node #0,1,0: 96:[99, 3] Operation: 27-24=3 Exploring Operation: 27+24=51, Resulting Numbers: [99, 51] Generated Node #0,1,1: 96:[99, 51] Operation: 27+24=51 Exploring Operation: 99-27=72, Resulting Numbers: [24, 72] Generated Node #0,1,2: 96:[24, 72] Operation: 99-27=72 Moving to Node #0,0 Current State: 96:[27, 99, 100], Operations: ['62+38=100'] Exploring Operation: 99-27=72, Resulting Numbers: [100, 72] Generated Node #0,0,0: 96:[100, 72] Operation: 99-27=72 Exploring Operation: 100-99=1, Resulting Numbers: [27, 1] Generated Node #0,0,1: 96:[27, 1] Operation: 100-99=1 Exploring Operation: 100-27=73, Resulting Numbers: [99, 73] Generated Node #0,0,2: 96:[99, 73] Operation: 100-27=73 Moving to Node #0,2 Current State: 96:[99, 38, 35], Operations: ['62-27=35'] Exploring Operation: 99-38=61, Resulting Numbers: [35, 61] Generated Node #0,2,0: 96:[35, 61] Operation: 99-38=61 Exploring Operation: 99-35=64, Resulting Numbers: [38, 64] Generated Node #0,2,1: 96:[38, 64] Operation: 99-35=64 Exploring Operation: 38-35=3, Resulting Numbers: [99, 3] Generated Node #0,2,2: 96:[99, 3] Operation: 38-35=3 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 96:[99, 3], Operations: ['62-27=35', '38-35=3'] Exploring Operation: 99+3=102, Resulting Numbers: [102] 102,96 unequal: No Solution Exploring Operation: 99-3=96, Resulting Numbers: [96] 96,96 equal: Goal Reached Moving to Node #0 Current State: 96:[62, 27, 99, 38], Operations: [] Exploring Operation: 62-27=35, Resulting Numbers: [99, 38, 35] Generated Node #0,2: 96:[99, 38, 35] Operation: 62-27=35 Moving to Node #0,2 Current State: 96:[99, 38, 35], Operations: ['62-27=35'] Exploring Operation: 38-35=3, Resulting Numbers: [99, 3] Generated Node #0,2,2: 96:[99, 3] Operation: 38-35=3 Moving to Node #0,2,2 Current State: 96:[99, 3], Operations: ['62-27=35', '38-35=3'] Exploring Operation: 99-3=96, Resulting Numbers: [96] 96,96 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_3
mult_heuristic
[ 46, 38, 9, 70 ]
23
[ "46+38=84", "70-9=61", "84-61=23" ]
Current State: 23:[46, 38, 9, 70], Operations: [] Exploring Operation: 46+38=84, Resulting Numbers: [9, 70, 84] Generated Node #2: [9, 70, 84] from Operation: 46+38=84 Current State: 23:[9, 70, 84], Operations: ['46+38=84'] Exploring Operation: 70-9=61, Resulting Numbers: [84, 61] Generated Node #3: [84, 61] from Operation: 70-9=61 Current State: 23:[84, 61], Operations: ['46+38=84', '70-9=61'] Exploring Operation: 84-61=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
4
Current State: 23:[46, 38, 9, 70], Operations: [] Exploring Operation: 46-9=37, Resulting Numbers: [38, 70, 37] Generated Node #0,0: 23:[38, 70, 37] Operation: 46-9=37 Exploring Operation: 70-38=32, Resulting Numbers: [46, 9, 32] Generated Node #0,1: 23:[46, 9, 32] Operation: 70-38=32 Exploring Operation: 70-46=24, Resulting Numbers: [38, 9, 24] Generated Node #0,2: 23:[38, 9, 24] Operation: 70-46=24 Exploring Operation: 38-9=29, Resulting Numbers: [46, 70, 29] Generated Node #0,3: 23:[46, 70, 29] Operation: 38-9=29 Exploring Operation: 46-38=8, Resulting Numbers: [9, 70, 8] Generated Node #0,4: 23:[9, 70, 8] Operation: 46-38=8 Moving to Node #0,2 Current State: 23:[38, 9, 24], Operations: ['70-46=24'] Exploring Operation: 38-24=14, Resulting Numbers: [9, 14] Generated Node #0,2,0: 23:[9, 14] Operation: 38-24=14 Exploring Operation: 38-9=29, Resulting Numbers: [24, 29] Generated Node #0,2,1: 23:[24, 29] Operation: 38-9=29 Exploring Operation: 9+24=33, Resulting Numbers: [38, 33] Generated Node #0,2,2: 23:[38, 33] Operation: 9+24=33 Exploring Operation: 24-9=15, Resulting Numbers: [38, 15] Generated Node #0,2,3: 23:[38, 15] Operation: 24-9=15 Exploring Operation: 38+9=47, Resulting Numbers: [24, 47] Generated Node #0,2,4: 23:[24, 47] Operation: 38+9=47 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 23:[24, 29], Operations: ['70-46=24', '38-9=29'] Exploring Operation: 24+29=53, Resulting Numbers: [53] 53,23 unequal: No Solution Exploring Operation: 24*29=696, Resulting Numbers: [696] 696,23 unequal: No Solution Exploring Operation: 29-24=5, Resulting Numbers: [5] 5,23 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 #0,2,0 Current State: 23:[9, 14], Operations: ['70-46=24', '38-24=14'] Exploring Operation: 14-9=5, Resulting Numbers: [5] 5,23 unequal: No Solution Exploring Operation: 9+14=23, Resulting Numbers: [23] 23,23 equal: Goal Reached Moving to Node #0 Current State: 23:[46, 38, 9, 70], Operations: [] Exploring Operation: 70-46=24, Resulting Numbers: [38, 9, 24] Generated Node #0,2: 23:[38, 9, 24] Operation: 70-46=24 Moving to Node #0,2 Current State: 23:[38, 9, 24], Operations: ['70-46=24'] Exploring Operation: 38-24=14, Resulting Numbers: [9, 14] Generated Node #0,2,0: 23:[9, 14] Operation: 38-24=14 Moving to Node #0,2,0 Current State: 23:[9, 14], Operations: ['70-46=24', '38-24=14'] Exploring Operation: 9+14=23, Resulting Numbers: [23] 23,23 equal: Goal Reached Exit Sub Search at level 1
0.983507
hs_5
sum_heuristic
[ 18, 82, 57, 71 ]
78
[ "82-18=64", "71-57=14", "64+14=78" ]
Current State: 78:[18, 82, 57, 71], Operations: [] Exploring Operation: 82-18=64, Resulting Numbers: [57, 71, 64] Generated Node #2: [57, 71, 64] from Operation: 82-18=64 Current State: 78:[57, 71, 64], Operations: ['82-18=64'] Exploring Operation: 71-57=14, Resulting Numbers: [64, 14] Generated Node #3: [64, 14] from Operation: 71-57=14 Current State: 78:[64, 14], Operations: ['82-18=64', '71-57=14'] Exploring Operation: 64+14=78, Resulting Numbers: [78] 78,78 equal: Goal Reached
4
Current State: 78:[18, 82, 57, 71], Operations: [] Exploring Operation: 71-57=14, Resulting Numbers: [18, 82, 14] Generated Node #0,0: 78:[18, 82, 14] Operation: 71-57=14 Start Sub Search at level 1: Moving to Node #0,0 Current State: 78:[18, 82, 14], Operations: ['71-57=14'] Exploring Operation: 18-14=4, Resulting Numbers: [82, 4] Generated Node #0,0,0: 78:[82, 4] Operation: 18-14=4 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 78:[82, 4], Operations: ['71-57=14', '18-14=4'] Exploring Operation: 82-4=78, Resulting Numbers: [78] 78,78 equal: Goal Reached Moving to Node #0 Current State: 78:[18, 82, 57, 71], Operations: [] Exploring Operation: 71-57=14, Resulting Numbers: [18, 82, 14] Generated Node #0,0: 78:[18, 82, 14] Operation: 71-57=14 Moving to Node #0,0 Current State: 78:[18, 82, 14], Operations: ['71-57=14'] Exploring Operation: 18-14=4, Resulting Numbers: [82, 4] Generated Node #0,0,0: 78:[82, 4] Operation: 18-14=4 Moving to Node #0,0,0 Current State: 78:[82, 4], Operations: ['71-57=14', '18-14=4'] Exploring Operation: 82-4=78, Resulting Numbers: [78] 78,78 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 40, 38, 58, 9 ]
29
[ "40+38=78", "58-9=49", "78-49=29" ]
Current State: 29:[40, 38, 58, 9], Operations: [] Exploring Operation: 40+38=78, Resulting Numbers: [58, 9, 78] Generated Node #2: [58, 9, 78] from Operation: 40+38=78 Current State: 29:[58, 9, 78], Operations: ['40+38=78'] Exploring Operation: 58-9=49, Resulting Numbers: [78, 49] Generated Node #3: [78, 49] from Operation: 58-9=49 Current State: 29:[78, 49], Operations: ['40+38=78', '58-9=49'] Exploring Operation: 78-49=29, Resulting Numbers: [29] 29,29 equal: Goal Reached
4
Current State: 29:[40, 38, 58, 9], Operations: [] Exploring Operation: 40-9=31, Resulting Numbers: [38, 58, 31] Generated Node #0,0: 29:[38, 58, 31] Operation: 40-9=31 Exploring Operation: 58-40=18, Resulting Numbers: [38, 9, 18] Generated Node #0,1: 29:[38, 9, 18] Operation: 58-40=18 Moving to Node #0,0 Current State: 29:[38, 58, 31], Operations: ['40-9=31'] Exploring Operation: 58-31=27, Resulting Numbers: [38, 27] Generated Node #0,0,0: 29:[38, 27] Operation: 58-31=27 Exploring Operation: 58-38=20, Resulting Numbers: [31, 20] Generated Node #0,0,1: 29:[31, 20] Operation: 58-38=20 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 29:[38, 27], Operations: ['40-9=31', '58-31=27'] Exploring Operation: 38-27=11, Resulting Numbers: [11] 11,29 unequal: No Solution Exploring Operation: 38+27=65, Resulting Numbers: [65] 65,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 29:[31, 20], Operations: ['40-9=31', '58-38=20'] Exploring Operation: 31-20=11, Resulting Numbers: [11] 11,29 unequal: No Solution Exploring Operation: 31+20=51, Resulting Numbers: [51] 51,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 29:[38, 9, 18], Operations: ['58-40=18'] Exploring Operation: 38-9=29, Resulting Numbers: [18, 29] Generated Node #0,1,0: 29:[18, 29] Operation: 38-9=29 Exploring Operation: 9+18=27, Resulting Numbers: [38, 27] Generated Node #0,1,1: 29:[38, 27] Operation: 9+18=27 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 29:[18, 29], Operations: ['58-40=18', '38-9=29'] Exploring Operation: 29-18=11, Resulting Numbers: [11] 11,29 unequal: No Solution Exploring Operation: 18+29=47, Resulting Numbers: [47] 47,29 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:[38, 27], Operations: ['58-40=18', '9+18=27'] Exploring Operation: 38+27=65, Resulting Numbers: [65] 65,29 unequal: No Solution Exploring Operation: 38-27=11, Resulting Numbers: [11] 11,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 35, 79, 21, 2 ]
81
[ "79-21=58", "2*58=116", "116-35=81" ]
Current State: 81:[35, 79, 21, 2], Operations: [] Exploring Operation: 79-21=58, Resulting Numbers: [35, 2, 58] Generated Node #2: [35, 2, 58] from Operation: 79-21=58 Current State: 81:[35, 2, 58], Operations: ['79-21=58'] Exploring Operation: 2*58=116, Resulting Numbers: [35, 116] Generated Node #3: [35, 116] from Operation: 2*58=116 Current State: 81:[35, 116], Operations: ['79-21=58', '2*58=116'] Exploring Operation: 116-35=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[35, 79, 21, 2], Operations: [] Exploring Operation: 21+2=23, Resulting Numbers: [35, 79, 23] Generated Node #0,0: 81:[35, 79, 23] Operation: 21+2=23 Exploring Operation: 35-21=14, Resulting Numbers: [79, 2, 14] Generated Node #0,1: 81:[79, 2, 14] Operation: 35-21=14 Exploring Operation: 79+2=81, Resulting Numbers: [35, 21, 81] Generated Node #0,2: 81:[35, 21, 81] Operation: 79+2=81 Exploring Operation: 35+2=37, Resulting Numbers: [79, 21, 37] Generated Node #0,3: 81:[79, 21, 37] Operation: 35+2=37 Exploring Operation: 35-2=33, Resulting Numbers: [79, 21, 33] Generated Node #0,4: 81:[79, 21, 33] Operation: 35-2=33 Moving to Node #0,1 Current State: 81:[79, 2, 14], Operations: ['35-21=14'] Exploring Operation: 79-2=77, Resulting Numbers: [14, 77] Generated Node #0,1,0: 81:[14, 77] Operation: 79-2=77 Exploring Operation: 14/2=7, Resulting Numbers: [79, 7] Generated Node #0,1,1: 81:[79, 7] Operation: 14/2=7 Exploring Operation: 14-2=12, Resulting Numbers: [79, 12] Generated Node #0,1,2: 81:[79, 12] Operation: 14-2=12 Exploring Operation: 2*14=28, Resulting Numbers: [79, 28] Generated Node #0,1,3: 81:[79, 28] Operation: 2*14=28 Exploring Operation: 79+2=81, Resulting Numbers: [14, 81] Generated Node #0,1,4: 81:[14, 81] Operation: 79+2=81 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 81:[79, 28], Operations: ['35-21=14', '2*14=28'] Exploring Operation: 79-28=51, Resulting Numbers: [51] 51,81 unequal: No Solution Exploring Operation: 79*28=2212, Resulting Numbers: [2212] 2212,81 unequal: No Solution Exploring Operation: 79+28=107, Resulting Numbers: [107] 107,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 81:[79, 7], Operations: ['35-21=14', '14/2=7'] Exploring Operation: 79+7=86, Resulting Numbers: [86] 86,81 unequal: No Solution Exploring Operation: 79-7=72, Resulting Numbers: [72] 72,81 unequal: No Solution Exploring Operation: 79*7=553, Resulting Numbers: [553] 553,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 81:[79, 12], Operations: ['35-21=14', '14-2=12'] Exploring Operation: 79*12=948, Resulting Numbers: [948] 948,81 unequal: No Solution Exploring Operation: 79+12=91, Resulting Numbers: [91] 91,81 unequal: No Solution Exploring Operation: 79-12=67, Resulting Numbers: [67] 67,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 81:[14, 81], Operations: ['35-21=14', '79+2=81'] Exploring Operation: 14*81=1134, Resulting Numbers: [1134] 1134,81 unequal: No Solution Exploring Operation: 14+81=95, Resulting Numbers: [95] 95,81 unequal: No Solution Exploring Operation: 81-14=67, Resulting Numbers: [67] 67,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 81:[14, 77], Operations: ['35-21=14', '79-2=77'] Exploring Operation: 77-14=63, Resulting Numbers: [63] 63,81 unequal: No Solution Exploring Operation: 14*77=1078, Resulting Numbers: [1078] 1078,81 unequal: No Solution Exploring Operation: 14+77=91, Resulting Numbers: [91] 91,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 81:[35, 21, 81], Operations: ['79+2=81'] Exploring Operation: 35-21=14, Resulting Numbers: [81, 14] Generated Node #0,2,0: 81:[81, 14] Operation: 35-21=14 Exploring Operation: 81-35=46, Resulting Numbers: [21, 46] Generated Node #0,2,1: 81:[21, 46] Operation: 81-35=46 Exploring Operation: 35+21=56, Resulting Numbers: [81, 56] Generated Node #0,2,2: 81:[81, 56] Operation: 35+21=56 Exploring Operation: 81-21=60, Resulting Numbers: [35, 60] Generated Node #0,2,3: 81:[35, 60] Operation: 81-21=60 Exploring Operation: 21+81=102, Resulting Numbers: [35, 102] Generated Node #0,2,4: 81:[35, 102] Operation: 21+81=102 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 81:[81, 14], Operations: ['79+2=81', '35-21=14'] Exploring Operation: 81*14=1134, Resulting Numbers: [1134] 1134,81 unequal: No Solution Exploring Operation: 81-14=67, Resulting Numbers: [67] 67,81 unequal: No Solution Exploring Operation: 81+14=95, Resulting Numbers: [95] 95,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 81:[21, 46], Operations: ['79+2=81', '81-35=46'] Exploring Operation: 21+46=67, Resulting Numbers: [67] 67,81 unequal: No Solution Exploring Operation: 21*46=966, Resulting Numbers: [966] 966,81 unequal: No Solution Exploring Operation: 46-21=25, Resulting Numbers: [25] 25,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 81:[81, 56], Operations: ['79+2=81', '35+21=56'] Exploring Operation: 81-56=25, Resulting Numbers: [25] 25,81 unequal: No Solution Exploring Operation: 81*56=4536, Resulting Numbers: [4536] 4536,81 unequal: No Solution Exploring Operation: 81+56=137, Resulting Numbers: [137] 137,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 81:[35, 60], Operations: ['79+2=81', '81-21=60'] Exploring Operation: 35+60=95, Resulting Numbers: [95] 95,81 unequal: No Solution Exploring Operation: 35*60=2100, Resulting Numbers: [2100] 2100,81 unequal: No Solution Exploring Operation: 60-35=25, Resulting Numbers: [25] 25,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 81:[35, 102], Operations: ['79+2=81', '21+81=102'] Exploring Operation: 102-35=67, Resulting Numbers: [67] 67,81 unequal: No Solution Exploring Operation: 35*102=3570, Resulting Numbers: [3570] 3570,81 unequal: No Solution Exploring Operation: 35+102=137, Resulting Numbers: [137] 137,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 81:[35, 79, 23], Operations: ['21+2=23'] Exploring Operation: 79-35=44, Resulting Numbers: [23, 44] Generated Node #0,0,0: 81:[23, 44] Operation: 79-35=44 Exploring Operation: 35-23=12, Resulting Numbers: [79, 12] Generated Node #0,0,1: 81:[79, 12] Operation: 35-23=12 Exploring Operation: 79+23=102, Resulting Numbers: [35, 102] Generated Node #0,0,2: 81:[35, 102] Operation: 79+23=102 Exploring Operation: 79-23=56, Resulting Numbers: [35, 56] Generated Node #0,0,3: 81:[35, 56] Operation: 79-23=56 Exploring Operation: 35+23=58, Resulting Numbers: [79, 58] Generated Node #0,0,4: 81:[79, 58] Operation: 35+23=58 Moving to Node #0,4 Current State: 81:[79, 21, 33], Operations: ['35-2=33'] Exploring Operation: 79-21=58, Resulting Numbers: [33, 58] Generated Node #0,4,0: 81:[33, 58] Operation: 79-21=58 Exploring Operation: 21+33=54, Resulting Numbers: [79, 54] Generated Node #0,4,1: 81:[79, 54] Operation: 21+33=54 Exploring Operation: 33-21=12, Resulting Numbers: [79, 12] Generated Node #0,4,2: 81:[79, 12] Operation: 33-21=12 Exploring Operation: 79-33=46, Resulting Numbers: [21, 46] Generated Node #0,4,3: 81:[21, 46] Operation: 79-33=46 Exploring Operation: 79+21=100, Resulting Numbers: [33, 100] Generated Node #0,4,4: 81:[33, 100] Operation: 79+21=100 Moving to Node #0,3 Current State: 81:[79, 21, 37], Operations: ['35+2=37'] Exploring Operation: 37-21=16, Resulting Numbers: [79, 16] Generated Node #0,3,0: 81:[79, 16] Operation: 37-21=16 Exploring Operation: 79-21=58, Resulting Numbers: [37, 58] Generated Node #0,3,1: 81:[37, 58] Operation: 79-21=58 Exploring Operation: 79+21=100, Resulting Numbers: [37, 100] Generated Node #0,3,2: 81:[37, 100] Operation: 79+21=100 Exploring Operation: 21+37=58, Resulting Numbers: [79, 58] Generated Node #0,3,3: 81:[79, 58] Operation: 21+37=58 Exploring Operation: 79-37=42, Resulting Numbers: [21, 42] Generated Node #0,3,4: 81:[21, 42] Operation: 79-37=42 Moving to Node #0,0,1 Current State: 81:[79, 12], Operations: ['21+2=23', '35-23=12'] Exploring Operation: 79*12=948, Resulting Numbers: [948] 948,81 unequal: No Solution Exploring Operation: 79-12=67, Resulting Numbers: [67] 67,81 unequal: No Solution Exploring Operation: 79+12=91, Resulting Numbers: [91] 91,81 unequal: No Solution Moving to Node #0,4,2 Current State: 81:[79, 12], Operations: ['35-2=33', '33-21=12'] Exploring Operation: 79+12=91, Resulting Numbers: [91] 91,81 unequal: No Solution Exploring Operation: 79*12=948, Resulting Numbers: [948] 948,81 unequal: No Solution Exploring Operation: 79-12=67, Resulting Numbers: [67] 67,81 unequal: No Solution Moving to Node #0,3,0 Current State: 81:[79, 16], Operations: ['35+2=37', '37-21=16'] Exploring Operation: 79-16=63, Resulting Numbers: [63] 63,81 unequal: No Solution Exploring Operation: 79+16=95, Resulting Numbers: [95] 95,81 unequal: No Solution Exploring Operation: 79*16=1264, Resulting Numbers: [1264] 1264,81 unequal: No Solution Moving to Node #0,3,4 Current State: 81:[21, 42], Operations: ['35+2=37', '79-37=42'] Exploring Operation: 21*42=882, Resulting Numbers: [882] 882,81 unequal: No Solution Exploring Operation: 42-21=21, Resulting Numbers: [21] 21,81 unequal: No Solution Exploring Operation: 21+42=63, Resulting Numbers: [63] 63,81 unequal: No Solution Exploring Operation: 42/21=2, Resulting Numbers: [2] 2,81 unequal: No Solution Moving to Node #0,0,0 Current State: 81:[23, 44], Operations: ['21+2=23', '79-35=44'] Exploring Operation: 44-23=21, Resulting Numbers: [21] 21,81 unequal: No Solution Exploring Operation: 23+44=67, Resulting Numbers: [67] 67,81 unequal: No Solution Exploring Operation: 23*44=1012, Resulting Numbers: [1012] 1012,81 unequal: No Solution Moving to Node #0,4,3 Current State: 81:[21, 46], Operations: ['35-2=33', '79-33=46'] Exploring Operation: 46-21=25, Resulting Numbers: [25] 25,81 unequal: No Solution Exploring Operation: 21*46=966, Resulting Numbers: [966] 966,81 unequal: No Solution Exploring Operation: 21+46=67, Resulting Numbers: [67] 67,81 unequal: No Solution Moving to Node #0,3,3 Current State: 81:[79, 58], Operations: ['35+2=37', '21+37=58'] Exploring Operation: 79+58=137, Resulting Numbers: [137] 137,81 unequal: No Solution Exploring Operation: 79-58=21, Resulting Numbers: [21] 21,81 unequal: No Solution Exploring Operation: 79*58=4582, Resulting Numbers: [4582] 4582,81 unequal: No Solution Moving to Node #0,4,4 Current State: 81:[33, 100], Operations: ['35-2=33', '79+21=100'] Exploring Operation: 33+100=133, Resulting Numbers: [133] 133,81 unequal: No Solution Exploring Operation: 100-33=67, Resulting Numbers: [67] 67,81 unequal: No Solution Exploring Operation: 33*100=3300, Resulting Numbers: [3300] 3300,81 unequal: No Solution Moving to Node #0,0,4 Current State: 81:[79, 58], Operations: ['21+2=23', '35+23=58'] Exploring Operation: 79+58=137, Resulting Numbers: [137] 137,81 unequal: No Solution Exploring Operation: 79-58=21, Resulting Numbers: [21] 21,81 unequal: No Solution Exploring Operation: 79*58=4582, Resulting Numbers: [4582] 4582,81 unequal: No Solution Moving to Node #0,3,2 Current State: 81:[37, 100], Operations: ['35+2=37', '79+21=100'] Exploring Operation: 37+100=137, Resulting Numbers: [137] 137,81 unequal: No Solution Exploring Operation: 100-37=63, Resulting Numbers: [63] 63,81 unequal: No Solution Exploring Operation: 37*100=3700, Resulting Numbers: [3700] 3700,81 unequal: No Solution Moving to Node #0,4,1 Current State: 81:[79, 54], Operations: ['35-2=33', '21+33=54'] Exploring Operation: 79+54=133, Resulting Numbers: [133] 133,81 unequal: No Solution Exploring Operation: 79-54=25, Resulting Numbers: [25] 25,81 unequal: No Solution Exploring Operation: 79*54=4266, Resulting Numbers: [4266] 4266,81 unequal: No Solution Moving to Node #0,4,0 Current State: 81:[33, 58], Operations: ['35-2=33', '79-21=58'] Exploring Operation: 58-33=25, Resulting Numbers: [25] 25,81 unequal: No Solution Exploring Operation: 33+58=91, Resulting Numbers: [91] 91,81 unequal: No Solution Exploring Operation: 33*58=1914, Resulting Numbers: [1914] 1914,81 unequal: No Solution Moving to Node #0,0,2 Current State: 81:[35, 102], Operations: ['21+2=23', '79+23=102'] Exploring Operation: 35+102=137, Resulting Numbers: [137] 137,81 unequal: No Solution Exploring Operation: 102-35=67, Resulting Numbers: [67] 67,81 unequal: No Solution Exploring Operation: 35*102=3570, Resulting Numbers: [3570] 3570,81 unequal: No Solution Moving to Node #0,3,1 Current State: 81:[37, 58], Operations: ['35+2=37', '79-21=58'] Exploring Operation: 58-37=21, Resulting Numbers: [21] 21,81 unequal: No Solution Exploring Operation: 37+58=95, Resulting Numbers: [95] 95,81 unequal: No Solution Exploring Operation: 37*58=2146, Resulting Numbers: [2146] 2146,81 unequal: No Solution Moving to Node #0,0,3 Current State: 81:[35, 56], Operations: ['21+2=23', '79-23=56'] Exploring Operation: 35+56=91, Resulting Numbers: [91] 91,81 unequal: No Solution Exploring Operation: 35*56=1960, Resulting Numbers: [1960] 1960,81 unequal: No Solution Exploring Operation: 56-35=21, Resulting Numbers: [21] 21,81 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 4, 30, 3, 19 ]
33
[ "4+19=23", "30/3=10", "23+10=33" ]
Current State: 33:[4, 30, 3, 19], Operations: [] Exploring Operation: 4+19=23, Resulting Numbers: [30, 3, 23] Generated Node #2: [30, 3, 23] from Operation: 4+19=23 Current State: 33:[30, 3, 23], Operations: ['4+19=23'] Exploring Operation: 30/3=10, Resulting Numbers: [23, 10] Generated Node #3: [23, 10] from Operation: 30/3=10 Current State: 33:[23, 10], Operations: ['4+19=23', '30/3=10'] Exploring Operation: 23+10=33, Resulting Numbers: [33] 33,33 equal: Goal Reached
4
Current State: 33:[4, 30, 3, 19], Operations: [] Exploring Operation: 19-4=15, Resulting Numbers: [30, 3, 15] Generated Node #0,0: 33:[30, 3, 15] Operation: 19-4=15 Exploring Operation: 4+30=34, Resulting Numbers: [3, 19, 34] Generated Node #0,1: 33:[3, 19, 34] Operation: 4+30=34 Exploring Operation: 30+3=33, Resulting Numbers: [4, 19, 33] Generated Node #0,2: 33:[4, 19, 33] Operation: 30+3=33 Exploring Operation: 30-19=11, Resulting Numbers: [4, 3, 11] Generated Node #0,3: 33:[4, 3, 11] Operation: 30-19=11 Moving to Node #0,3 Current State: 33:[4, 3, 11], Operations: ['30-19=11'] Exploring Operation: 4+3=7, Resulting Numbers: [11, 7] Generated Node #0,3,0: 33:[11, 7] Operation: 4+3=7 Exploring Operation: 4*3=12, Resulting Numbers: [11, 12] Generated Node #0,3,1: 33:[11, 12] Operation: 4*3=12 Exploring Operation: 4-3=1, Resulting Numbers: [11, 1] Generated Node #0,3,2: 33:[11, 1] Operation: 4-3=1 Exploring Operation: 3*11=33, Resulting Numbers: [4, 33] Generated Node #0,3,3: 33:[4, 33] Operation: 3*11=33 Moving to Node #0,0 Current State: 33:[30, 3, 15], Operations: ['19-4=15'] Exploring Operation: 30-15=15, Resulting Numbers: [3, 15] Generated Node #0,0,0: 33:[3, 15] Operation: 30-15=15 Exploring Operation: 30+3=33, Resulting Numbers: [15, 33] Generated Node #0,0,1: 33:[15, 33] Operation: 30+3=33 Exploring Operation: 15-3=12, Resulting Numbers: [30, 12] Generated Node #0,0,2: 33:[30, 12] Operation: 15-3=12 Exploring Operation: 30/15=2, Resulting Numbers: [3, 2] Generated Node #0,0,3: 33:[3, 2] Operation: 30/15=2 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 33:[3, 2], Operations: ['19-4=15', '30/15=2'] Exploring Operation: 3*2=6, Resulting Numbers: [6] 6,33 unequal: No Solution Exploring Operation: 3-2=1, Resulting Numbers: [1] 1,33 unequal: No Solution Exploring Operation: 3+2=5, Resulting Numbers: [5] 5,33 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 33:[3, 15], Operations: ['19-4=15', '30-15=15'] Exploring Operation: 15-3=12, Resulting Numbers: [12] 12,33 unequal: No Solution Exploring Operation: 3+15=18, Resulting Numbers: [18] 18,33 unequal: No Solution Exploring Operation: 3*15=45, Resulting Numbers: [45] 45,33 unequal: No Solution Exploring Operation: 15/3=5, Resulting Numbers: [5] 5,33 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 33:[15, 33], Operations: ['19-4=15', '30+3=33'] Exploring Operation: 15*33=495, Resulting Numbers: [495] 495,33 unequal: No Solution Exploring Operation: 33-15=18, Resulting Numbers: [18] 18,33 unequal: No Solution Exploring Operation: 15+33=48, Resulting Numbers: [48] 48,33 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 33:[30, 12], Operations: ['19-4=15', '15-3=12'] Exploring Operation: 30+12=42, Resulting Numbers: [42] 42,33 unequal: No Solution Exploring Operation: 30-12=18, Resulting Numbers: [18] 18,33 unequal: No Solution Exploring Operation: 30*12=360, Resulting Numbers: [360] 360,33 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: 33:[4, 19, 33], Operations: ['30+3=33'] Exploring Operation: 19-4=15, Resulting Numbers: [33, 15] Generated Node #0,2,0: 33:[33, 15] Operation: 19-4=15 Exploring Operation: 4+19=23, Resulting Numbers: [33, 23] Generated Node #0,2,1: 33:[33, 23] Operation: 4+19=23 Exploring Operation: 4+33=37, Resulting Numbers: [19, 37] Generated Node #0,2,2: 33:[19, 37] Operation: 4+33=37 Exploring Operation: 33-19=14, Resulting Numbers: [4, 14] Generated Node #0,2,3: 33:[4, 14] Operation: 33-19=14 Moving to Node #0,1 Current State: 33:[3, 19, 34], Operations: ['4+30=34'] Exploring Operation: 3+19=22, Resulting Numbers: [34, 22] Generated Node #0,1,0: 33:[34, 22] Operation: 3+19=22 Exploring Operation: 34-19=15, Resulting Numbers: [3, 15] Generated Node #0,1,1: 33:[3, 15] Operation: 34-19=15 Exploring Operation: 19-3=16, Resulting Numbers: [34, 16] Generated Node #0,1,2: 33:[34, 16] Operation: 19-3=16 Exploring Operation: 34-3=31, Resulting Numbers: [19, 31] Generated Node #0,1,3: 33:[19, 31] Operation: 34-3=31 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 33:[3, 15], Operations: ['4+30=34', '34-19=15'] Exploring Operation: 15-3=12, Resulting Numbers: [12] 12,33 unequal: No Solution Exploring Operation: 15/3=5, Resulting Numbers: [5] 5,33 unequal: No Solution Exploring Operation: 3*15=45, Resulting Numbers: [45] 45,33 unequal: No Solution Exploring Operation: 3+15=18, Resulting Numbers: [18] 18,33 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 #0,1,2 Current State: 33:[34, 16], Operations: ['4+30=34', '19-3=16'] Exploring Operation: 34+16=50, Resulting Numbers: [50] 50,33 unequal: No Solution Exploring Operation: 34-16=18, Resulting Numbers: [18] 18,33 unequal: No Solution Exploring Operation: 34*16=544, Resulting Numbers: [544] 544,33 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 #0,1,3 Current State: 33:[19, 31], Operations: ['4+30=34', '34-3=31'] Exploring Operation: 19*31=589, Resulting Numbers: [589] 589,33 unequal: No Solution Exploring Operation: 19+31=50, Resulting Numbers: [50] 50,33 unequal: No Solution Exploring Operation: 31-19=12, Resulting Numbers: [12] 12,33 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 #0,1,0 Current State: 33:[34, 22], Operations: ['4+30=34', '3+19=22'] Exploring Operation: 34*22=748, Resulting Numbers: [748] 748,33 unequal: No Solution Exploring Operation: 34+22=56, Resulting Numbers: [56] 56,33 unequal: No Solution Exploring Operation: 34-22=12, Resulting Numbers: [12] 12,33 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3,1 Current State: 33:[11, 12], Operations: ['30-19=11', '4*3=12'] Exploring Operation: 12-11=1, Resulting Numbers: [1] 1,33 unequal: No Solution Exploring Operation: 11*12=132, Resulting Numbers: [132] 132,33 unequal: No Solution Exploring Operation: 11+12=23, Resulting Numbers: [23] 23,33 unequal: No Solution Moving to Node #0,3,3 Current State: 33:[4, 33], Operations: ['30-19=11', '3*11=33'] Exploring Operation: 4*33=132, Resulting Numbers: [132] 132,33 unequal: No Solution Exploring Operation: 4+33=37, Resulting Numbers: [37] 37,33 unequal: No Solution Exploring Operation: 33-4=29, Resulting Numbers: [29] 29,33 unequal: No Solution Moving to Node #0,3,2 Current State: 33:[11, 1], Operations: ['30-19=11', '4-3=1'] Exploring Operation: 11/1=11, Resulting Numbers: [11] 11,33 unequal: No Solution Exploring Operation: 11+1=12, Resulting Numbers: [12] 12,33 unequal: No Solution Exploring Operation: 11-1=10, Resulting Numbers: [10] 10,33 unequal: No Solution Exploring Operation: 11*1=11, Resulting Numbers: [11] 11,33 unequal: No Solution Moving to Node #0,2,3 Current State: 33:[4, 14], Operations: ['30+3=33', '33-19=14'] Exploring Operation: 4+14=18, Resulting Numbers: [18] 18,33 unequal: No Solution Exploring Operation: 4*14=56, Resulting Numbers: [56] 56,33 unequal: No Solution Exploring Operation: 14-4=10, Resulting Numbers: [10] 10,33 unequal: No Solution Moving to Node #0,2,0 Current State: 33:[33, 15], Operations: ['30+3=33', '19-4=15'] Exploring Operation: 33+15=48, Resulting Numbers: [48] 48,33 unequal: No Solution Exploring Operation: 33-15=18, Resulting Numbers: [18] 18,33 unequal: No Solution Exploring Operation: 33*15=495, Resulting Numbers: [495] 495,33 unequal: No Solution Moving to Node #0,3,0 Current State: 33:[11, 7], Operations: ['30-19=11', '4+3=7'] Exploring Operation: 11-7=4, Resulting Numbers: [4] 4,33 unequal: No Solution Exploring Operation: 11+7=18, Resulting Numbers: [18] 18,33 unequal: No Solution Exploring Operation: 11*7=77, Resulting Numbers: [77] 77,33 unequal: No Solution Moving to Node #0,2,1 Current State: 33:[33, 23], Operations: ['30+3=33', '4+19=23'] Exploring Operation: 33+23=56, Resulting Numbers: [56] 56,33 unequal: No Solution Exploring Operation: 33*23=759, Resulting Numbers: [759] 759,33 unequal: No Solution Exploring Operation: 33-23=10, Resulting Numbers: [10] 10,33 unequal: No Solution Moving to Node #0,2,2 Current State: 33:[19, 37], Operations: ['30+3=33', '4+33=37'] Exploring Operation: 19*37=703, Resulting Numbers: [703] 703,33 unequal: No Solution Exploring Operation: 19+37=56, Resulting Numbers: [56] 56,33 unequal: No Solution Exploring Operation: 37-19=18, Resulting Numbers: [18] 18,33 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 77, 43, 89, 5 ]
49
[ "77+89=166", "43*5=215", "215-166=49" ]
Current State: 49:[77, 43, 89, 5], Operations: [] Exploring Operation: 77+89=166, Resulting Numbers: [43, 5, 166] Generated Node #2: [43, 5, 166] from Operation: 77+89=166 Current State: 49:[43, 5, 166], Operations: ['77+89=166'] Exploring Operation: 43*5=215, Resulting Numbers: [166, 215] Generated Node #3: [166, 215] from Operation: 43*5=215 Current State: 49:[166, 215], Operations: ['77+89=166', '43*5=215'] Exploring Operation: 215-166=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
4
Current State: 49:[77, 43, 89, 5], Operations: [] Exploring Operation: 89-77=12, Resulting Numbers: [43, 5, 12] Generated Node #0,0: 49:[43, 5, 12] Operation: 89-77=12 Exploring Operation: 89-43=46, Resulting Numbers: [77, 5, 46] Generated Node #0,1: 49:[77, 5, 46] Operation: 89-43=46 Exploring Operation: 77-5=72, Resulting Numbers: [43, 89, 72] Generated Node #0,2: 49:[43, 89, 72] Operation: 77-5=72 Exploring Operation: 77-43=34, Resulting Numbers: [89, 5, 34] Generated Node #0,3: 49:[89, 5, 34] Operation: 77-43=34 Moving to Node #0,0 Current State: 49:[43, 5, 12], Operations: ['89-77=12'] Exploring Operation: 43+5=48, Resulting Numbers: [12, 48] Generated Node #0,0,0: 49:[12, 48] Operation: 43+5=48 Exploring Operation: 12-5=7, Resulting Numbers: [43, 7] Generated Node #0,0,1: 49:[43, 7] Operation: 12-5=7 Exploring Operation: 43-5=38, Resulting Numbers: [12, 38] Generated Node #0,0,2: 49:[12, 38] Operation: 43-5=38 Exploring Operation: 43+12=55, Resulting Numbers: [5, 55] Generated Node #0,0,3: 49:[5, 55] Operation: 43+12=55 Moving to Node #0,1 Current State: 49:[77, 5, 46], Operations: ['89-43=46'] Exploring Operation: 77+5=82, Resulting Numbers: [46, 82] Generated Node #0,1,0: 49:[46, 82] Operation: 77+5=82 Exploring Operation: 77-46=31, Resulting Numbers: [5, 31] Generated Node #0,1,1: 49:[5, 31] Operation: 77-46=31 Exploring Operation: 77-5=72, Resulting Numbers: [46, 72] Generated Node #0,1,2: 49:[46, 72] Operation: 77-5=72 Exploring Operation: 5+46=51, Resulting Numbers: [77, 51] Generated Node #0,1,3: 49:[77, 51] Operation: 5+46=51 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 49:[5, 31], Operations: ['89-43=46', '77-46=31'] Exploring Operation: 5+31=36, Resulting Numbers: [36] 36,49 unequal: No Solution Exploring Operation: 31-5=26, Resulting Numbers: [26] 26,49 unequal: No Solution Exploring Operation: 5*31=155, Resulting Numbers: [155] 155,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 49:[46, 72], Operations: ['89-43=46', '77-5=72'] Exploring Operation: 46+72=118, Resulting Numbers: [118] 118,49 unequal: No Solution Exploring Operation: 46*72=3312, Resulting Numbers: [3312] 3312,49 unequal: No Solution Exploring Operation: 72-46=26, Resulting Numbers: [26] 26,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 49:[77, 51], Operations: ['89-43=46', '5+46=51'] Exploring Operation: 77*51=3927, Resulting Numbers: [3927] 3927,49 unequal: No Solution Exploring Operation: 77+51=128, Resulting Numbers: [128] 128,49 unequal: No Solution Exploring Operation: 77-51=26, Resulting Numbers: [26] 26,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 49:[46, 82], Operations: ['89-43=46', '77+5=82'] Exploring Operation: 46*82=3772, Resulting Numbers: [3772] 3772,49 unequal: No Solution Exploring Operation: 82-46=36, Resulting Numbers: [36] 36,49 unequal: No Solution Exploring Operation: 46+82=128, Resulting Numbers: [128] 128,49 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: 49:[89, 5, 34], Operations: ['77-43=34'] Exploring Operation: 89+5=94, Resulting Numbers: [34, 94] Generated Node #0,3,0: 49:[34, 94] Operation: 89+5=94 Exploring Operation: 89-5=84, Resulting Numbers: [34, 84] Generated Node #0,3,1: 49:[34, 84] Operation: 89-5=84 Exploring Operation: 5+34=39, Resulting Numbers: [89, 39] Generated Node #0,3,2: 49:[89, 39] Operation: 5+34=39 Exploring Operation: 89-34=55, Resulting Numbers: [5, 55] Generated Node #0,3,3: 49:[5, 55] Operation: 89-34=55 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 49:[5, 55], Operations: ['77-43=34', '89-34=55'] Exploring Operation: 55-5=50, Resulting Numbers: [50] 50,49 unequal: No Solution Exploring Operation: 55/5=11, Resulting Numbers: [11] 11,49 unequal: No Solution Exploring Operation: 5*55=275, Resulting Numbers: [275] 275,49 unequal: No Solution Exploring Operation: 5+55=60, Resulting Numbers: [60] 60,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 49:[34, 84], Operations: ['77-43=34', '89-5=84'] Exploring Operation: 34*84=2856, Resulting Numbers: [2856] 2856,49 unequal: No Solution Exploring Operation: 84-34=50, Resulting Numbers: [50] 50,49 unequal: No Solution Exploring Operation: 34+84=118, Resulting Numbers: [118] 118,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 49:[89, 39], Operations: ['77-43=34', '5+34=39'] Exploring Operation: 89-39=50, Resulting Numbers: [50] 50,49 unequal: No Solution Exploring Operation: 89*39=3471, Resulting Numbers: [3471] 3471,49 unequal: No Solution Exploring Operation: 89+39=128, Resulting Numbers: [128] 128,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 49:[34, 94], Operations: ['77-43=34', '89+5=94'] Exploring Operation: 94-34=60, Resulting Numbers: [60] 60,49 unequal: No Solution Exploring Operation: 34*94=3196, Resulting Numbers: [3196] 3196,49 unequal: No Solution Exploring Operation: 34+94=128, Resulting Numbers: [128] 128,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 49:[43, 89, 72], Operations: ['77-5=72'] Exploring Operation: 89-72=17, Resulting Numbers: [43, 17] Generated Node #0,2,0: 49:[43, 17] Operation: 89-72=17 Exploring Operation: 72-43=29, Resulting Numbers: [89, 29] Generated Node #0,2,1: 49:[89, 29] Operation: 72-43=29 Exploring Operation: 43+89=132, Resulting Numbers: [72, 132] Generated Node #0,2,2: 49:[72, 132] Operation: 43+89=132 Exploring Operation: 89-43=46, Resulting Numbers: [72, 46] Generated Node #0,2,3: 49:[72, 46] Operation: 89-43=46 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 49:[43, 17], Operations: ['77-5=72', '89-72=17'] Exploring Operation: 43-17=26, Resulting Numbers: [26] 26,49 unequal: No Solution Exploring Operation: 43*17=731, Resulting Numbers: [731] 731,49 unequal: No Solution Exploring Operation: 43+17=60, Resulting Numbers: [60] 60,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 49:[72, 46], Operations: ['77-5=72', '89-43=46'] Exploring Operation: 72-46=26, Resulting Numbers: [26] 26,49 unequal: No Solution Exploring Operation: 72*46=3312, Resulting Numbers: [3312] 3312,49 unequal: No Solution Exploring Operation: 72+46=118, Resulting Numbers: [118] 118,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 49:[89, 29], Operations: ['77-5=72', '72-43=29'] Exploring Operation: 89*29=2581, Resulting Numbers: [2581] 2581,49 unequal: No Solution Exploring Operation: 89-29=60, Resulting Numbers: [60] 60,49 unequal: No Solution Exploring Operation: 89+29=118, Resulting Numbers: [118] 118,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 49:[72, 132], Operations: ['77-5=72', '43+89=132'] Exploring Operation: 72*132=9504, Resulting Numbers: [9504] 9504,49 unequal: No Solution Exploring Operation: 132-72=60, Resulting Numbers: [60] 60,49 unequal: No Solution Exploring Operation: 72+132=204, Resulting Numbers: [204] 204,49 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: 49:[12, 48], Operations: ['89-77=12', '43+5=48'] Exploring Operation: 48-12=36, Resulting Numbers: [36] 36,49 unequal: No Solution Exploring Operation: 12*48=576, Resulting Numbers: [576] 576,49 unequal: No Solution Exploring Operation: 48/12=4, Resulting Numbers: [4] 4,49 unequal: No Solution Exploring Operation: 12+48=60, Resulting Numbers: [60] 60,49 unequal: No Solution Moving to Node #0,0,1 Current State: 49:[43, 7], Operations: ['89-77=12', '12-5=7'] Exploring Operation: 43*7=301, Resulting Numbers: [301] 301,49 unequal: No Solution Exploring Operation: 43-7=36, Resulting Numbers: [36] 36,49 unequal: No Solution Exploring Operation: 43+7=50, Resulting Numbers: [50] 50,49 unequal: No Solution Moving to Node #0,0,3 Current State: 49:[5, 55], Operations: ['89-77=12', '43+12=55'] Exploring Operation: 5*55=275, Resulting Numbers: [275] 275,49 unequal: No Solution Exploring Operation: 55-5=50, Resulting Numbers: [50] 50,49 unequal: No Solution Exploring Operation: 5+55=60, Resulting Numbers: [60] 60,49 unequal: No Solution Exploring Operation: 55/5=11, Resulting Numbers: [11] 11,49 unequal: No Solution Moving to Node #0,0,2 Current State: 49:[12, 38], Operations: ['89-77=12', '43-5=38'] Exploring Operation: 38-12=26, Resulting Numbers: [26] 26,49 unequal: No Solution Exploring Operation: 12+38=50, Resulting Numbers: [50] 50,49 unequal: No Solution Exploring Operation: 12*38=456, Resulting Numbers: [456] 456,49 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 38, 74, 30, 12 ]
90
[ "74-38=36", "30*36=1080", "1080/12=90" ]
Current State: 90:[38, 74, 30, 12], Operations: [] Exploring Operation: 74-38=36, Resulting Numbers: [30, 12, 36] Generated Node #2: [30, 12, 36] from Operation: 74-38=36 Current State: 90:[30, 12, 36], Operations: ['74-38=36'] Exploring Operation: 30*36=1080, Resulting Numbers: [12, 1080] Generated Node #3: [12, 1080] from Operation: 30*36=1080 Current State: 90:[12, 1080], Operations: ['74-38=36', '30*36=1080'] Exploring Operation: 1080/12=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
4
Current State: 90:[38, 74, 30, 12], Operations: [] Exploring Operation: 38-12=26, Resulting Numbers: [74, 30, 26] Generated Node #0,0: 90:[74, 30, 26] Operation: 38-12=26 Exploring Operation: 38-30=8, Resulting Numbers: [74, 12, 8] Generated Node #0,1: 90:[74, 12, 8] Operation: 38-30=8 Exploring Operation: 74+12=86, Resulting Numbers: [38, 30, 86] Generated Node #0,2: 90:[38, 30, 86] Operation: 74+12=86 Exploring Operation: 74-38=36, Resulting Numbers: [30, 12, 36] Generated Node #0,3: 90:[30, 12, 36] Operation: 74-38=36 Exploring Operation: 74-30=44, Resulting Numbers: [38, 12, 44] Generated Node #0,4: 90:[38, 12, 44] Operation: 74-30=44 Moving to Node #0,3 Current State: 90:[30, 12, 36], Operations: ['74-38=36'] Exploring Operation: 12+36=48, Resulting Numbers: [30, 48] Generated Node #0,3,0: 90:[30, 48] Operation: 12+36=48 Exploring Operation: 36/12=3, Resulting Numbers: [30, 3] Generated Node #0,3,1: 90:[30, 3] Operation: 36/12=3 Exploring Operation: 36-12=24, Resulting Numbers: [30, 24] Generated Node #0,3,2: 90:[30, 24] Operation: 36-12=24 Exploring Operation: 36-30=6, Resulting Numbers: [12, 6] Generated Node #0,3,3: 90:[12, 6] Operation: 36-30=6 Exploring Operation: 30-12=18, Resulting Numbers: [36, 18] Generated Node #0,3,4: 90:[36, 18] Operation: 30-12=18 Moving to Node #0,4 Current State: 90:[38, 12, 44], Operations: ['74-30=44'] Exploring Operation: 44-38=6, Resulting Numbers: [12, 6] Generated Node #0,4,0: 90:[12, 6] Operation: 44-38=6 Exploring Operation: 38-12=26, Resulting Numbers: [44, 26] Generated Node #0,4,1: 90:[44, 26] Operation: 38-12=26 Exploring Operation: 44-12=32, Resulting Numbers: [38, 32] Generated Node #0,4,2: 90:[38, 32] Operation: 44-12=32 Exploring Operation: 38+12=50, Resulting Numbers: [44, 50] Generated Node #0,4,3: 90:[44, 50] Operation: 38+12=50 Exploring Operation: 38+44=82, Resulting Numbers: [12, 82] Generated Node #0,4,4: 90:[12, 82] Operation: 38+44=82 Moving to Node #0,2 Current State: 90:[38, 30, 86], Operations: ['74+12=86'] Exploring Operation: 30+86=116, Resulting Numbers: [38, 116] Generated Node #0,2,0: 90:[38, 116] Operation: 30+86=116 Exploring Operation: 86-38=48, Resulting Numbers: [30, 48] Generated Node #0,2,1: 90:[30, 48] Operation: 86-38=48 Exploring Operation: 38+30=68, Resulting Numbers: [86, 68] Generated Node #0,2,2: 90:[86, 68] Operation: 38+30=68 Exploring Operation: 86-30=56, Resulting Numbers: [38, 56] Generated Node #0,2,3: 90:[38, 56] Operation: 86-30=56 Exploring Operation: 38-30=8, Resulting Numbers: [86, 8] Generated Node #0,2,4: 90:[86, 8] Operation: 38-30=8 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 90:[30, 48], Operations: ['74+12=86', '86-38=48'] Exploring Operation: 30+48=78, Resulting Numbers: [78] 78,90 unequal: No Solution Exploring Operation: 48-30=18, Resulting Numbers: [18] 18,90 unequal: No Solution Exploring Operation: 30*48=1440, Resulting Numbers: [1440] 1440,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 90:[86, 8], Operations: ['74+12=86', '38-30=8'] Exploring Operation: 86+8=94, Resulting Numbers: [94] 94,90 unequal: No Solution Exploring Operation: 86*8=688, Resulting Numbers: [688] 688,90 unequal: No Solution Exploring Operation: 86-8=78, Resulting Numbers: [78] 78,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 90:[38, 56], Operations: ['74+12=86', '86-30=56'] Exploring Operation: 38+56=94, Resulting Numbers: [94] 94,90 unequal: No Solution Exploring Operation: 56-38=18, Resulting Numbers: [18] 18,90 unequal: No Solution Exploring Operation: 38*56=2128, Resulting Numbers: [2128] 2128,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 90:[86, 68], Operations: ['74+12=86', '38+30=68'] Exploring Operation: 86-68=18, Resulting Numbers: [18] 18,90 unequal: No Solution Exploring Operation: 86*68=5848, Resulting Numbers: [5848] 5848,90 unequal: No Solution Exploring Operation: 86+68=154, Resulting Numbers: [154] 154,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 90:[38, 116], Operations: ['74+12=86', '30+86=116'] Exploring Operation: 116-38=78, Resulting Numbers: [78] 78,90 unequal: No Solution Exploring Operation: 38*116=4408, Resulting Numbers: [4408] 4408,90 unequal: No Solution Exploring Operation: 38+116=154, Resulting Numbers: [154] 154,90 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: 90:[74, 12, 8], Operations: ['38-30=8'] Exploring Operation: 74-12=62, Resulting Numbers: [8, 62] Generated Node #0,1,0: 90:[8, 62] Operation: 74-12=62 Exploring Operation: 12+8=20, Resulting Numbers: [74, 20] Generated Node #0,1,1: 90:[74, 20] Operation: 12+8=20 Exploring Operation: 74+8=82, Resulting Numbers: [12, 82] Generated Node #0,1,2: 90:[12, 82] Operation: 74+8=82 Exploring Operation: 12-8=4, Resulting Numbers: [74, 4] Generated Node #0,1,3: 90:[74, 4] Operation: 12-8=4 Exploring Operation: 74+12=86, Resulting Numbers: [8, 86] Generated Node #0,1,4: 90:[8, 86] Operation: 74+12=86 Moving to Node #0,0 Current State: 90:[74, 30, 26], Operations: ['38-12=26'] Exploring Operation: 74-30=44, Resulting Numbers: [26, 44] Generated Node #0,0,0: 90:[26, 44] Operation: 74-30=44 Exploring Operation: 74+26=100, Resulting Numbers: [30, 100] Generated Node #0,0,1: 90:[30, 100] Operation: 74+26=100 Exploring Operation: 74-26=48, Resulting Numbers: [30, 48] Generated Node #0,0,2: 90:[30, 48] Operation: 74-26=48 Exploring Operation: 74+30=104, Resulting Numbers: [26, 104] Generated Node #0,0,3: 90:[26, 104] Operation: 74+30=104 Exploring Operation: 30-26=4, Resulting Numbers: [74, 4] Generated Node #0,0,4: 90:[74, 4] Operation: 30-26=4 Moving to Node #0,3,1 Current State: 90:[30, 3], Operations: ['74-38=36', '36/12=3'] Exploring Operation: 30-3=27, Resulting Numbers: [27] 27,90 unequal: No Solution Exploring Operation: 30+3=33, Resulting Numbers: [33] 33,90 unequal: No Solution Exploring Operation: 30/3=10, Resulting Numbers: [10] 10,90 unequal: No Solution Exploring Operation: 30*3=90, Resulting Numbers: [90] 90,90 equal: Goal Reached Moving to Node #0 Current State: 90:[38, 74, 30, 12], Operations: [] Exploring Operation: 74-38=36, Resulting Numbers: [30, 12, 36] Generated Node #0,3: 90:[30, 12, 36] Operation: 74-38=36 Moving to Node #0,3 Current State: 90:[30, 12, 36], Operations: ['74-38=36'] Exploring Operation: 36/12=3, Resulting Numbers: [30, 3] Generated Node #0,3,1: 90:[30, 3] Operation: 36/12=3 Moving to Node #0,3,1 Current State: 90:[30, 3], Operations: ['74-38=36', '36/12=3'] Exploring Operation: 30*3=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
0.953993
hs_5
sum_heuristic
[ 4, 25, 61, 67 ]
58
[ "61-25=36", "36/4=9", "67-9=58" ]
Current State: 58:[4, 25, 61, 67], Operations: [] Exploring Operation: 61-25=36, Resulting Numbers: [4, 67, 36] Generated Node #2: [4, 67, 36] from Operation: 61-25=36 Current State: 58:[4, 67, 36], Operations: ['61-25=36'] Exploring Operation: 36/4=9, Resulting Numbers: [67, 9] Generated Node #3: [67, 9] from Operation: 36/4=9 Current State: 58:[67, 9], Operations: ['61-25=36', '36/4=9'] Exploring Operation: 67-9=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[4, 25, 61, 67], Operations: [] Exploring Operation: 4+25=29, Resulting Numbers: [61, 67, 29] Generated Node #0,0: 58:[61, 67, 29] Operation: 4+25=29 Exploring Operation: 67-4=63, Resulting Numbers: [25, 61, 63] Generated Node #0,1: 58:[25, 61, 63] Operation: 67-4=63 Exploring Operation: 61-4=57, Resulting Numbers: [25, 67, 57] Generated Node #0,2: 58:[25, 67, 57] Operation: 61-4=57 Exploring Operation: 67-61=6, Resulting Numbers: [4, 25, 6] Generated Node #0,3: 58:[4, 25, 6] Operation: 67-61=6 Start Sub Search at level 1: Moving to Node #0,3 Current State: 58:[4, 25, 6], Operations: ['67-61=6'] Exploring Operation: 4*6=24, Resulting Numbers: [25, 24] Generated Node #0,3,0: 58:[25, 24] Operation: 4*6=24 Exploring Operation: 25+6=31, Resulting Numbers: [4, 31] Generated Node #0,3,1: 58:[4, 31] Operation: 25+6=31 Exploring Operation: 4+25=29, Resulting Numbers: [6, 29] Generated Node #0,3,2: 58:[6, 29] Operation: 4+25=29 Exploring Operation: 6-4=2, Resulting Numbers: [25, 2] Generated Node #0,3,3: 58:[25, 2] Operation: 6-4=2 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 58:[4, 31], Operations: ['67-61=6', '25+6=31'] Exploring Operation: 4+31=35, Resulting Numbers: [35] 35,58 unequal: No Solution Exploring Operation: 31-4=27, Resulting Numbers: [27] 27,58 unequal: No Solution Exploring Operation: 4*31=124, Resulting Numbers: [124] 124,58 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 #0,3,2 Current State: 58:[6, 29], Operations: ['67-61=6', '4+25=29'] Exploring Operation: 6*29=174, Resulting Numbers: [174] 174,58 unequal: No Solution Exploring Operation: 29-6=23, Resulting Numbers: [23] 23,58 unequal: No Solution Exploring Operation: 6+29=35, Resulting Numbers: [35] 35,58 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:[25, 2], Operations: ['67-61=6', '6-4=2'] Exploring Operation: 25-2=23, Resulting Numbers: [23] 23,58 unequal: No Solution Exploring Operation: 25*2=50, Resulting Numbers: [50] 50,58 unequal: No Solution Exploring Operation: 25+2=27, Resulting Numbers: [27] 27,58 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:[25, 24], Operations: ['67-61=6', '4*6=24'] Exploring Operation: 25+24=49, Resulting Numbers: [49] 49,58 unequal: No Solution Exploring Operation: 25-24=1, Resulting Numbers: [1] 1,58 unequal: No Solution Exploring Operation: 25*24=600, Resulting Numbers: [600] 600,58 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:[61, 67, 29], Operations: ['4+25=29'] Exploring Operation: 67-61=6, Resulting Numbers: [29, 6] Generated Node #0,0,0: 58:[29, 6] Operation: 67-61=6 Exploring Operation: 61-29=32, Resulting Numbers: [67, 32] Generated Node #0,0,1: 58:[67, 32] Operation: 61-29=32 Exploring Operation: 67-29=38, Resulting Numbers: [61, 38] Generated Node #0,0,2: 58:[61, 38] Operation: 67-29=38 Exploring Operation: 61+29=90, Resulting Numbers: [67, 90] Generated Node #0,0,3: 58:[67, 90] Operation: 61+29=90 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 58:[29, 6], Operations: ['4+25=29', '67-61=6'] Exploring Operation: 29+6=35, Resulting Numbers: [35] 35,58 unequal: No Solution Exploring Operation: 29*6=174, Resulting Numbers: [174] 174,58 unequal: No Solution Exploring Operation: 29-6=23, Resulting Numbers: [23] 23,58 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 #0,0,1 Current State: 58:[67, 32], Operations: ['4+25=29', '61-29=32'] Exploring Operation: 67*32=2144, Resulting Numbers: [2144] 2144,58 unequal: No Solution Exploring Operation: 67-32=35, Resulting Numbers: [35] 35,58 unequal: No Solution Exploring Operation: 67+32=99, Resulting Numbers: [99] 99,58 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 #0,0,2 Current State: 58:[61, 38], Operations: ['4+25=29', '67-29=38'] Exploring Operation: 61*38=2318, Resulting Numbers: [2318] 2318,58 unequal: No Solution Exploring Operation: 61+38=99, Resulting Numbers: [99] 99,58 unequal: No Solution Exploring Operation: 61-38=23, Resulting Numbers: [23] 23,58 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 #0,0,3 Current State: 58:[67, 90], Operations: ['4+25=29', '61+29=90'] Exploring Operation: 67+90=157, Resulting Numbers: [157] 157,58 unequal: No Solution Exploring Operation: 67*90=6030, Resulting Numbers: [6030] 6030,58 unequal: No Solution Exploring Operation: 90-67=23, Resulting Numbers: [23] 23,58 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 #0,1 Current State: 58:[25, 61, 63], Operations: ['67-4=63'] Exploring Operation: 61-25=36, Resulting Numbers: [63, 36] Generated Node #0,1,0: 58:[63, 36] Operation: 61-25=36 Exploring Operation: 25+61=86, Resulting Numbers: [63, 86] Generated Node #0,1,1: 58:[63, 86] Operation: 25+61=86 Exploring Operation: 63-61=2, Resulting Numbers: [25, 2] Generated Node #0,1,2: 58:[25, 2] Operation: 63-61=2 Exploring Operation: 63-25=38, Resulting Numbers: [61, 38] Generated Node #0,1,3: 58:[61, 38] Operation: 63-25=38 Moving to Node #0,1,2 Current State: 58:[25, 2], Operations: ['67-4=63', '63-61=2'] Exploring Operation: 25-2=23, Resulting Numbers: [23] 23,58 unequal: No Solution Exploring Operation: 25+2=27, Resulting Numbers: [27] 27,58 unequal: No Solution Exploring Operation: 25*2=50, Resulting Numbers: [50] 50,58 unequal: No Solution Moving to Node #0,1,3 Current State: 58:[61, 38], Operations: ['67-4=63', '63-25=38'] Exploring Operation: 61-38=23, Resulting Numbers: [23] 23,58 unequal: No Solution Exploring Operation: 61+38=99, Resulting Numbers: [99] 99,58 unequal: No Solution Exploring Operation: 61*38=2318, Resulting Numbers: [2318] 2318,58 unequal: No Solution Moving to Node #0,1,0 Current State: 58:[63, 36], Operations: ['67-4=63', '61-25=36'] Exploring Operation: 63-36=27, Resulting Numbers: [27] 27,58 unequal: No Solution Exploring Operation: 63+36=99, Resulting Numbers: [99] 99,58 unequal: No Solution Exploring Operation: 63*36=2268, Resulting Numbers: [2268] 2268,58 unequal: No Solution Moving to Node #0,1,1 Current State: 58:[63, 86], Operations: ['67-4=63', '25+61=86'] Exploring Operation: 63+86=149, Resulting Numbers: [149] 149,58 unequal: No Solution Exploring Operation: 63*86=5418, Resulting Numbers: [5418] 5418,58 unequal: No Solution Exploring Operation: 86-63=23, Resulting Numbers: [23] 23,58 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:[25, 67, 57], Operations: ['61-4=57'] Exploring Operation: 25+57=82, Resulting Numbers: [67, 82] Generated Node #0,2,0: 58:[67, 82] Operation: 25+57=82 Exploring Operation: 67-57=10, Resulting Numbers: [25, 10] Generated Node #0,2,1: 58:[25, 10] Operation: 67-57=10 Exploring Operation: 67-25=42, Resulting Numbers: [57, 42] Generated Node #0,2,2: 58:[57, 42] Operation: 67-25=42 Exploring Operation: 57-25=32, Resulting Numbers: [67, 32] Generated Node #0,2,3: 58:[67, 32] Operation: 57-25=32 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 58:[25, 10], Operations: ['61-4=57', '67-57=10'] Exploring Operation: 25+10=35, Resulting Numbers: [35] 35,58 unequal: No Solution Exploring Operation: 25*10=250, Resulting Numbers: [250] 250,58 unequal: No Solution Exploring Operation: 25-10=15, Resulting Numbers: [15] 15,58 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 #0,2,3 Current State: 58:[67, 32], Operations: ['61-4=57', '57-25=32'] Exploring Operation: 67*32=2144, Resulting Numbers: [2144] 2144,58 unequal: No Solution Exploring Operation: 67+32=99, Resulting Numbers: [99] 99,58 unequal: No Solution Exploring Operation: 67-32=35, Resulting Numbers: [35] 35,58 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:[57, 42], Operations: ['61-4=57', '67-25=42'] Exploring Operation: 57-42=15, Resulting Numbers: [15] 15,58 unequal: No Solution Exploring Operation: 57+42=99, Resulting Numbers: [99] 99,58 unequal: No Solution Exploring Operation: 57*42=2394, Resulting Numbers: [2394] 2394,58 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:[67, 82], Operations: ['61-4=57', '25+57=82'] Exploring Operation: 67+82=149, Resulting Numbers: [149] 149,58 unequal: No Solution Exploring Operation: 82-67=15, Resulting Numbers: [15] 15,58 unequal: No Solution Exploring Operation: 67*82=5494, Resulting Numbers: [5494] 5494,58 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_4
mult_heuristic
[ 58, 33, 56, 5 ]
23
[ "58-56=2", "5*2=10", "33-10=23" ]
Current State: 23:[58, 33, 56, 5], Operations: [] Exploring Operation: 58-56=2, Resulting Numbers: [33, 5, 2] Generated Node #2: [33, 5, 2] from Operation: 58-56=2 Current State: 23:[33, 5, 2], Operations: ['58-56=2'] Exploring Operation: 5*2=10, Resulting Numbers: [33, 10] Generated Node #3: [33, 10] from Operation: 5*2=10 Current State: 23:[33, 10], Operations: ['58-56=2', '5*2=10'] Exploring Operation: 33-10=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
4
Current State: 23:[58, 33, 56, 5], Operations: [] Exploring Operation: 56-33=23, Resulting Numbers: [58, 5, 23] Generated Node #0,0: 23:[58, 5, 23] Operation: 56-33=23 Exploring Operation: 33-5=28, Resulting Numbers: [58, 56, 28] Generated Node #0,1: 23:[58, 56, 28] Operation: 33-5=28 Exploring Operation: 58-56=2, Resulting Numbers: [33, 5, 2] Generated Node #0,2: 23:[33, 5, 2] Operation: 58-56=2 Exploring Operation: 58-33=25, Resulting Numbers: [56, 5, 25] Generated Node #0,3: 23:[56, 5, 25] Operation: 58-33=25 Exploring Operation: 58-5=53, Resulting Numbers: [33, 56, 53] Generated Node #0,4: 23:[33, 56, 53] Operation: 58-5=53 Start Sub Search at level 1: Moving to Node #0,2 Current State: 23:[33, 5, 2], Operations: ['58-56=2'] Exploring Operation: 33-2=31, Resulting Numbers: [5, 31] Generated Node #0,2,0: 23:[5, 31] Operation: 33-2=31 Exploring Operation: 33-5=28, Resulting Numbers: [2, 28] Generated Node #0,2,1: 23:[2, 28] Operation: 33-5=28 Exploring Operation: 5*2=10, Resulting Numbers: [33, 10] Generated Node #0,2,2: 23:[33, 10] Operation: 5*2=10 Exploring Operation: 5+2=7, Resulting Numbers: [33, 7] Generated Node #0,2,3: 23:[33, 7] Operation: 5+2=7 Exploring Operation: 33+2=35, Resulting Numbers: [5, 35] Generated Node #0,2,4: 23:[5, 35] Operation: 33+2=35 Moving to Node #0,2,2 Current State: 23:[33, 10], Operations: ['58-56=2', '5*2=10'] Exploring Operation: 33-10=23, Resulting Numbers: [23] 23,23 equal: Goal Reached Moving to Node #0 Current State: 23:[58, 33, 56, 5], Operations: [] Exploring Operation: 58-56=2, Resulting Numbers: [33, 5, 2] Generated Node #0,2: 23:[33, 5, 2] Operation: 58-56=2 Moving to Node #0,2 Current State: 23:[33, 5, 2], Operations: ['58-56=2'] Exploring Operation: 5*2=10, Resulting Numbers: [33, 10] Generated Node #0,2,2: 23:[33, 10] Operation: 5*2=10 Moving to Node #0,2,2 Current State: 23:[33, 10], Operations: ['58-56=2', '5*2=10'] Exploring Operation: 33-10=23, Resulting Numbers: [23] 23,23 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_5
sum_heuristic
[ 18, 82, 6, 48 ]
96
[ "82-18=64", "64-48=16", "6*16=96" ]
Current State: 96:[18, 82, 6, 48], Operations: [] Exploring Operation: 82-18=64, Resulting Numbers: [6, 48, 64] Generated Node #2: [6, 48, 64] from Operation: 82-18=64 Current State: 96:[6, 48, 64], Operations: ['82-18=64'] Exploring Operation: 64-48=16, Resulting Numbers: [6, 16] Generated Node #3: [6, 16] from Operation: 64-48=16 Current State: 96:[6, 16], Operations: ['82-18=64', '64-48=16'] Exploring Operation: 6*16=96, Resulting Numbers: [96] 96,96 equal: Goal Reached
4
Current State: 96:[18, 82, 6, 48], Operations: [] Exploring Operation: 18+82=100, Resulting Numbers: [6, 48, 100] Generated Node #0,0: 96:[6, 48, 100] Operation: 18+82=100 Start Sub Search at level 1: Moving to Node #0,0 Current State: 96:[6, 48, 100], Operations: ['18+82=100'] Exploring Operation: 100-6=94, Resulting Numbers: [48, 94] Generated Node #0,0,0: 96:[48, 94] Operation: 100-6=94 Moving to Node #0,0,0 Current State: 96:[48, 94], Operations: ['18+82=100', '100-6=94'] Exploring Operation: 94-48=46, Resulting Numbers: [46] 46,96 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
[ 62, 5, 2, 57 ]
50
[ "62-57=5", "5*2=10", "5*10=50" ]
Current State: 50:[62, 5, 2, 57], Operations: [] Exploring Operation: 62-57=5, Resulting Numbers: [5, 2, 5] Generated Node #2: [5, 2, 5] from Operation: 62-57=5 Current State: 50:[5, 2, 5], Operations: ['62-57=5'] Exploring Operation: 5*2=10, Resulting Numbers: [10] 10,50 equal: Goal Reached Exploring Operation: 5*10=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[62, 5, 2, 57], Operations: [] Exploring Operation: 62/2=31, Resulting Numbers: [5, 57, 31] Generated Node #0,0: 50:[5, 57, 31] Operation: 62/2=31 Exploring Operation: 62-5=57, Resulting Numbers: [2, 57, 57] Generated Node #0,1: 50:[2, 57, 57] Operation: 62-5=57 Exploring Operation: 62-57=5, Resulting Numbers: [5, 2, 5] Generated Node #0,2: 50:[5, 2, 5] Operation: 62-57=5 Moving to Node #0,2 Current State: 50:[5, 2, 5], Operations: ['62-57=5'] Exploring Operation: 5*5=25, Resulting Numbers: [2, 25] Generated Node #0,2,0: 50:[2, 25] Operation: 5*5=25 Exploring Operation: 5*2=10, Resulting Numbers: [5, 10] Generated Node #0,2,1: 50:[5, 10] Operation: 5*2=10 Exploring Operation: 5+5=10, Resulting Numbers: [2, 10] Generated Node #0,2,2: 50:[2, 10] Operation: 5+5=10 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 50:[2, 25], Operations: ['62-57=5', '5*5=25'] Exploring Operation: 25-2=23, Resulting Numbers: [23] 23,50 unequal: No Solution Exploring Operation: 2+25=27, Resulting Numbers: [27] 27,50 unequal: No Solution Exploring Operation: 2*25=50, Resulting Numbers: [50] 50,50 equal: Goal Reached Moving to Node #0 Current State: 50:[62, 5, 2, 57], Operations: [] Exploring Operation: 62-57=5, Resulting Numbers: [5, 2, 5] Generated Node #0,2: 50:[5, 2, 5] Operation: 62-57=5 Moving to Node #0,2 Current State: 50:[5, 2, 5], Operations: ['62-57=5'] Exploring Operation: 5*5=25, Resulting Numbers: [2, 25] Generated Node #0,2,0: 50:[2, 25] Operation: 5*5=25 Moving to Node #0,2,0 Current State: 50:[2, 25], Operations: ['62-57=5', '5*5=25'] Exploring Operation: 2*25=50, Resulting Numbers: [50] 50,50 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_3
mult_heuristic
[ 87, 15, 31, 3 ]
61
[ "87-31=56", "15/3=5", "56+5=61" ]
Current State: 61:[87, 15, 31, 3], Operations: [] Exploring Operation: 87-31=56, Resulting Numbers: [15, 3, 56] Generated Node #2: [15, 3, 56] from Operation: 87-31=56 Current State: 61:[15, 3, 56], Operations: ['87-31=56'] Exploring Operation: 15/3=5, Resulting Numbers: [56, 5] Generated Node #3: [56, 5] from Operation: 15/3=5 Current State: 61:[56, 5], Operations: ['87-31=56', '15/3=5'] Exploring Operation: 56+5=61, Resulting Numbers: [61] 61,61 equal: Goal Reached
4
Current State: 61:[87, 15, 31, 3], Operations: [] Exploring Operation: 15*3=45, Resulting Numbers: [87, 31, 45] Generated Node #0,0: 61:[87, 31, 45] Operation: 15*3=45 Exploring Operation: 87-15=72, Resulting Numbers: [31, 3, 72] Generated Node #0,1: 61:[31, 3, 72] Operation: 87-15=72 Moving to Node #0,0 Current State: 61:[87, 31, 45], Operations: ['15*3=45'] Exploring Operation: 31+45=76, Resulting Numbers: [87, 76] Generated Node #0,0,0: 61:[87, 76] Operation: 31+45=76 Exploring Operation: 87-31=56, Resulting Numbers: [45, 56] Generated Node #0,0,1: 61:[45, 56] Operation: 87-31=56 Moving to Node #0,1 Current State: 61:[31, 3, 72], Operations: ['87-15=72'] Exploring Operation: 72-3=69, Resulting Numbers: [31, 69] Generated Node #0,1,0: 61:[31, 69] Operation: 72-3=69 Exploring Operation: 31+3=34, Resulting Numbers: [72, 34] Generated Node #0,1,1: 61:[72, 34] Operation: 31+3=34 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 61:[31, 69], Operations: ['87-15=72', '72-3=69'] Exploring Operation: 69-31=38, Resulting Numbers: [38] 38,61 unequal: No Solution Exploring Operation: 31+69=100, Resulting Numbers: [100] 100,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 61:[72, 34], Operations: ['87-15=72', '31+3=34'] Exploring Operation: 72-34=38, Resulting Numbers: [38] 38,61 unequal: No Solution Exploring Operation: 72+34=106, Resulting Numbers: [106] 106,61 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: 61:[45, 56], Operations: ['15*3=45', '87-31=56'] Exploring Operation: 45+56=101, Resulting Numbers: [101] 101,61 unequal: No Solution Exploring Operation: 56-45=11, Resulting Numbers: [11] 11,61 unequal: No Solution Moving to Node #0,0,0 Current State: 61:[87, 76], Operations: ['15*3=45', '31+45=76'] Exploring Operation: 87+76=163, Resulting Numbers: [163] 163,61 unequal: No Solution Exploring Operation: 87-76=11, Resulting Numbers: [11] 11,61 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 10, 24, 40, 71 ]
97
[ "24-10=14", "40+71=111", "111-14=97" ]
Current State: 97:[10, 24, 40, 71], Operations: [] Exploring Operation: 24-10=14, Resulting Numbers: [40, 71, 14] Generated Node #2: [40, 71, 14] from Operation: 24-10=14 Current State: 97:[40, 71, 14], Operations: ['24-10=14'] Exploring Operation: 40+71=111, Resulting Numbers: [14, 111] Generated Node #3: [14, 111] from Operation: 40+71=111 Current State: 97:[14, 111], Operations: ['24-10=14', '40+71=111'] Exploring Operation: 111-14=97, Resulting Numbers: [97] 97,97 equal: Goal Reached
4
Current State: 97:[10, 24, 40, 71], Operations: [] Exploring Operation: 10+40=50, Resulting Numbers: [24, 71, 50] Generated Node #0,0: 97:[24, 71, 50] Operation: 10+40=50 Exploring Operation: 10+24=34, Resulting Numbers: [40, 71, 34] Generated Node #0,1: 97:[40, 71, 34] Operation: 10+24=34 Exploring Operation: 10+71=81, Resulting Numbers: [24, 40, 81] Generated Node #0,2: 97:[24, 40, 81] Operation: 10+71=81 Start Sub Search at level 1: Moving to Node #0,0 Current State: 97:[24, 71, 50], Operations: ['10+40=50'] Exploring Operation: 24+71=95, Resulting Numbers: [50, 95] Generated Node #0,0,0: 97:[50, 95] Operation: 24+71=95 Exploring Operation: 71-24=47, Resulting Numbers: [50, 47] Generated Node #0,0,1: 97:[50, 47] Operation: 71-24=47 Exploring Operation: 24+50=74, Resulting Numbers: [71, 74] Generated Node #0,0,2: 97:[71, 74] Operation: 24+50=74 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 97:[50, 95], Operations: ['10+40=50', '24+71=95'] Exploring Operation: 50+95=145, Resulting Numbers: [145] 145,97 unequal: No Solution Exploring Operation: 95-50=45, Resulting Numbers: [45] 45,97 unequal: No Solution Exploring Operation: 50*95=4750, Resulting Numbers: [4750] 4750,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 97:[71, 74], Operations: ['10+40=50', '24+50=74'] Exploring Operation: 71+74=145, Resulting Numbers: [145] 145,97 unequal: No Solution Exploring Operation: 71*74=5254, Resulting Numbers: [5254] 5254,97 unequal: No Solution Exploring Operation: 74-71=3, Resulting Numbers: [3] 3,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 97:[50, 47], Operations: ['10+40=50', '71-24=47'] Exploring Operation: 50+47=97, Resulting Numbers: [97] 97,97 equal: Goal Reached Moving to Node #0 Current State: 97:[10, 24, 40, 71], Operations: [] Exploring Operation: 10+40=50, Resulting Numbers: [24, 71, 50] Generated Node #0,0: 97:[24, 71, 50] Operation: 10+40=50 Moving to Node #0,0 Current State: 97:[24, 71, 50], Operations: ['10+40=50'] Exploring Operation: 71-24=47, Resulting Numbers: [50, 47] Generated Node #0,0,1: 97:[50, 47] Operation: 71-24=47 Moving to Node #0,0,1 Current State: 97:[50, 47], Operations: ['10+40=50', '71-24=47'] Exploring Operation: 50+47=97, Resulting Numbers: [97] 97,97 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.985243
hs_3
sum_heuristic
[ 58, 72, 75, 33 ]
75
[ "58-33=25", "75-72=3", "25*3=75" ]
Current State: 75:[58, 72, 75, 33], Operations: [] Exploring Operation: 58-33=25, Resulting Numbers: [72, 75, 25] Generated Node #2: [72, 75, 25] from Operation: 58-33=25 Current State: 75:[72, 75, 25], Operations: ['58-33=25'] Exploring Operation: 75-72=3, Resulting Numbers: [25, 3] Generated Node #3: [25, 3] from Operation: 75-72=3 Current State: 75:[25, 3], Operations: ['58-33=25', '75-72=3'] Exploring Operation: 25*3=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
4
Current State: 75:[58, 72, 75, 33], Operations: [] Exploring Operation: 58-33=25, Resulting Numbers: [72, 75, 25] Generated Node #0,0: 75:[72, 75, 25] Operation: 58-33=25 Exploring Operation: 75-58=17, Resulting Numbers: [72, 33, 17] Generated Node #0,1: 75:[72, 33, 17] Operation: 75-58=17 Exploring Operation: 72-58=14, Resulting Numbers: [75, 33, 14] Generated Node #0,2: 75:[75, 33, 14] Operation: 72-58=14 Exploring Operation: 58+33=91, Resulting Numbers: [72, 75, 91] Generated Node #0,3: 75:[72, 75, 91] Operation: 58+33=91 Exploring Operation: 75-72=3, Resulting Numbers: [58, 33, 3] Generated Node #0,4: 75:[58, 33, 3] Operation: 75-72=3 Start Sub Search at level 1: Moving to Node #0,0 Current State: 75:[72, 75, 25], Operations: ['58-33=25'] Exploring Operation: 75+25=100, Resulting Numbers: [72, 100] Generated Node #0,0,0: 75:[72, 100] Operation: 75+25=100 Exploring Operation: 72+25=97, Resulting Numbers: [75, 97] Generated Node #0,0,1: 75:[75, 97] Operation: 72+25=97 Exploring Operation: 75-72=3, Resulting Numbers: [25, 3] Generated Node #0,0,2: 75:[25, 3] Operation: 75-72=3 Exploring Operation: 75/25=3, Resulting Numbers: [72, 3] Generated Node #0,0,3: 75:[72, 3] Operation: 75/25=3 Exploring Operation: 72-25=47, Resulting Numbers: [75, 47] Generated Node #0,0,4: 75:[75, 47] Operation: 72-25=47 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 75:[25, 3], Operations: ['58-33=25', '75-72=3'] Exploring Operation: 25+3=28, Resulting Numbers: [28] 28,75 unequal: No Solution Exploring Operation: 25*3=75, Resulting Numbers: [75] 75,75 equal: Goal Reached Moving to Node #0 Current State: 75:[58, 72, 75, 33], Operations: [] Exploring Operation: 58-33=25, Resulting Numbers: [72, 75, 25] Generated Node #0,0: 75:[72, 75, 25] Operation: 58-33=25 Moving to Node #0,0 Current State: 75:[72, 75, 25], Operations: ['58-33=25'] Exploring Operation: 75-72=3, Resulting Numbers: [25, 3] Generated Node #0,0,2: 75:[25, 3] Operation: 75-72=3 Moving to Node #0,0,2 Current State: 75:[25, 3], Operations: ['58-33=25', '75-72=3'] Exploring Operation: 25*3=75, Resulting Numbers: [75] 75,75 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986111
hs_5
mult_heuristic
[ 27, 92, 61, 8 ]
50
[ "27+92=119", "61+8=69", "119-69=50" ]
Current State: 50:[27, 92, 61, 8], Operations: [] Exploring Operation: 27+92=119, Resulting Numbers: [61, 8, 119] Generated Node #2: [61, 8, 119] from Operation: 27+92=119 Current State: 50:[61, 8, 119], Operations: ['27+92=119'] Exploring Operation: 61+8=69, Resulting Numbers: [119, 69] Generated Node #3: [119, 69] from Operation: 61+8=69 Current State: 50:[119, 69], Operations: ['27+92=119', '61+8=69'] Exploring Operation: 119-69=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[27, 92, 61, 8], Operations: [] Exploring Operation: 92-27=65, Resulting Numbers: [61, 8, 65] Generated Node #0,0: 50:[61, 8, 65] Operation: 92-27=65 Exploring Operation: 92-61=31, Resulting Numbers: [27, 8, 31] Generated Node #0,1: 50:[27, 8, 31] Operation: 92-61=31 Start Sub Search at level 1: Moving to Node #0,1 Current State: 50:[27, 8, 31], Operations: ['92-61=31'] Exploring Operation: 31-8=23, Resulting Numbers: [27, 23] Generated Node #0,1,0: 50:[27, 23] Operation: 31-8=23 Exploring Operation: 31-27=4, Resulting Numbers: [8, 4] Generated Node #0,1,1: 50:[8, 4] Operation: 31-27=4 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 50:[8, 4], Operations: ['92-61=31', '31-27=4'] Exploring Operation: 8/4=2, Resulting Numbers: [2] 2,50 unequal: No Solution Exploring Operation: 8-4=4, Resulting Numbers: [4] 4,50 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:[27, 23], Operations: ['92-61=31', '31-8=23'] Exploring Operation: 27+23=50, Resulting Numbers: [50] 50,50 equal: Goal Reached Moving to Node #0 Current State: 50:[27, 92, 61, 8], Operations: [] Exploring Operation: 92-61=31, Resulting Numbers: [27, 8, 31] Generated Node #0,1: 50:[27, 8, 31] Operation: 92-61=31 Moving to Node #0,1 Current State: 50:[27, 8, 31], Operations: ['92-61=31'] Exploring Operation: 31-8=23, Resulting Numbers: [27, 23] Generated Node #0,1,0: 50:[27, 23] Operation: 31-8=23 Moving to Node #0,1,0 Current State: 50:[27, 23], Operations: ['92-61=31', '31-8=23'] Exploring Operation: 27+23=50, Resulting Numbers: [50] 50,50 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.990451
hs_2
mult_heuristic
[ 89, 91, 75, 31 ]
46
[ "91-89=2", "75-31=44", "2+44=46" ]
Current State: 46:[89, 91, 75, 31], Operations: [] Exploring Operation: 91-89=2, Resulting Numbers: [75, 31, 2] Generated Node #2: [75, 31, 2] from Operation: 91-89=2 Current State: 46:[75, 31, 2], Operations: ['91-89=2'] Exploring Operation: 75-31=44, Resulting Numbers: [2, 44] Generated Node #3: [2, 44] from Operation: 75-31=44 Current State: 46:[2, 44], Operations: ['91-89=2', '75-31=44'] Exploring Operation: 2+44=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
4
Current State: 46:[89, 91, 75, 31], Operations: [] Exploring Operation: 91-89=2, Resulting Numbers: [75, 31, 2] Generated Node #0,0: 46:[75, 31, 2] Operation: 91-89=2 Exploring Operation: 91-75=16, Resulting Numbers: [89, 31, 16] Generated Node #0,1: 46:[89, 31, 16] Operation: 91-75=16 Moving to Node #0,0 Current State: 46:[75, 31, 2], Operations: ['91-89=2'] Exploring Operation: 75-31=44, Resulting Numbers: [2, 44] Generated Node #0,0,0: 46:[2, 44] Operation: 75-31=44 Exploring Operation: 75-2=73, Resulting Numbers: [31, 73] Generated Node #0,0,1: 46:[31, 73] Operation: 75-2=73 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 46:[2, 44], Operations: ['91-89=2', '75-31=44'] Exploring Operation: 44/2=22, Resulting Numbers: [22] 22,46 unequal: No Solution Exploring Operation: 2+44=46, Resulting Numbers: [46] 46,46 equal: Goal Reached Moving to Node #0 Current State: 46:[89, 91, 75, 31], Operations: [] Exploring Operation: 91-89=2, Resulting Numbers: [75, 31, 2] Generated Node #0,0: 46:[75, 31, 2] Operation: 91-89=2 Moving to Node #0,0 Current State: 46:[75, 31, 2], Operations: ['91-89=2'] Exploring Operation: 75-31=44, Resulting Numbers: [2, 44] Generated Node #0,0,0: 46:[2, 44] Operation: 75-31=44 Moving to Node #0,0,0 Current State: 46:[2, 44], Operations: ['91-89=2', '75-31=44'] Exploring Operation: 2+44=46, Resulting Numbers: [46] 46,46 equal: Goal Reached Exit Sub Search at level 1
0.991319
hs_2
mult_heuristic
[ 33, 19, 25, 4 ]
84
[ "33-25=8", "19*4=76", "8+76=84" ]
Current State: 84:[33, 19, 25, 4], Operations: [] Exploring Operation: 33-25=8, Resulting Numbers: [19, 4, 8] Generated Node #2: [19, 4, 8] from Operation: 33-25=8 Current State: 84:[19, 4, 8], Operations: ['33-25=8'] Exploring Operation: 19*4=76, Resulting Numbers: [8, 76] Generated Node #3: [8, 76] from Operation: 19*4=76 Current State: 84:[8, 76], Operations: ['33-25=8', '19*4=76'] Exploring Operation: 8+76=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
4
Current State: 84:[33, 19, 25, 4], Operations: [] Exploring Operation: 33-19=14, Resulting Numbers: [25, 4, 14] Generated Node #0,0: 84:[25, 4, 14] Operation: 33-19=14 Start Sub Search at level 1: Moving to Node #0,0 Current State: 84:[25, 4, 14], Operations: ['33-19=14'] Exploring Operation: 25-4=21, Resulting Numbers: [14, 21] Generated Node #0,0,0: 84:[14, 21] Operation: 25-4=21 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 84:[14, 21], Operations: ['33-19=14', '25-4=21'] Exploring Operation: 21-14=7, Resulting Numbers: [7] 7,84 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 22, 5, 12, 89 ]
81
[ "22+12=34", "5*34=170", "170-89=81" ]
Current State: 81:[22, 5, 12, 89], Operations: [] Exploring Operation: 22+12=34, Resulting Numbers: [5, 89, 34] Generated Node #2: [5, 89, 34] from Operation: 22+12=34 Current State: 81:[5, 89, 34], Operations: ['22+12=34'] Exploring Operation: 5*34=170, Resulting Numbers: [89, 170] Generated Node #3: [89, 170] from Operation: 5*34=170 Current State: 81:[89, 170], Operations: ['22+12=34', '5*34=170'] Exploring Operation: 170-89=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[22, 5, 12, 89], Operations: [] Exploring Operation: 89-5=84, Resulting Numbers: [22, 12, 84] Generated Node #0,0: 81:[22, 12, 84] Operation: 89-5=84 Exploring Operation: 22-12=10, Resulting Numbers: [5, 89, 10] Generated Node #0,1: 81:[5, 89, 10] Operation: 22-12=10 Exploring Operation: 22+5=27, Resulting Numbers: [12, 89, 27] Generated Node #0,2: 81:[12, 89, 27] Operation: 22+5=27 Moving to Node #0,0 Current State: 81:[22, 12, 84], Operations: ['89-5=84'] Exploring Operation: 22+12=34, Resulting Numbers: [84, 34] Generated Node #0,0,0: 81:[84, 34] Operation: 22+12=34 Exploring Operation: 22-12=10, Resulting Numbers: [84, 10] Generated Node #0,0,1: 81:[84, 10] Operation: 22-12=10 Exploring Operation: 84/12=7, Resulting Numbers: [22, 7] Generated Node #0,0,2: 81:[22, 7] Operation: 84/12=7 Moving to Node #0,1 Current State: 81:[5, 89, 10], Operations: ['22-12=10'] Exploring Operation: 89-5=84, Resulting Numbers: [10, 84] Generated Node #0,1,0: 81:[10, 84] Operation: 89-5=84 Exploring Operation: 10/5=2, Resulting Numbers: [89, 2] Generated Node #0,1,1: 81:[89, 2] Operation: 10/5=2 Exploring Operation: 89-10=79, Resulting Numbers: [5, 79] Generated Node #0,1,2: 81:[5, 79] Operation: 89-10=79 Moving to Node #0,2 Current State: 81:[12, 89, 27], Operations: ['22+5=27'] Exploring Operation: 27-12=15, Resulting Numbers: [89, 15] Generated Node #0,2,0: 81:[89, 15] Operation: 27-12=15 Exploring Operation: 12+89=101, Resulting Numbers: [27, 101] Generated Node #0,2,1: 81:[27, 101] Operation: 12+89=101 Exploring Operation: 89-12=77, Resulting Numbers: [27, 77] Generated Node #0,2,2: 81:[27, 77] Operation: 89-12=77 Moving to Node #0,0,1 Current State: 81:[84, 10], Operations: ['89-5=84', '22-12=10'] Exploring Operation: 84-10=74, Resulting Numbers: [74] 74,81 unequal: No Solution Exploring Operation: 84*10=840, Resulting Numbers: [840] 840,81 unequal: No Solution Exploring Operation: 84+10=94, Resulting Numbers: [94] 94,81 unequal: No Solution Moving to Node #0,2,2 Current State: 81:[27, 77], Operations: ['22+5=27', '89-12=77'] Exploring Operation: 27+77=104, Resulting Numbers: [104] 104,81 unequal: No Solution Exploring Operation: 77-27=50, Resulting Numbers: [50] 50,81 unequal: No Solution Exploring Operation: 27*77=2079, Resulting Numbers: [2079] 2079,81 unequal: No Solution Moving to Node #0,1,0 Current State: 81:[10, 84], Operations: ['22-12=10', '89-5=84'] Exploring Operation: 10+84=94, Resulting Numbers: [94] 94,81 unequal: No Solution Exploring Operation: 84-10=74, Resulting Numbers: [74] 74,81 unequal: No Solution Exploring Operation: 10*84=840, Resulting Numbers: [840] 840,81 unequal: No Solution Moving to Node #0,1,2 Current State: 81:[5, 79], Operations: ['22-12=10', '89-10=79'] Exploring Operation: 5*79=395, Resulting Numbers: [395] 395,81 unequal: No Solution Exploring Operation: 79-5=74, Resulting Numbers: [74] 74,81 unequal: No Solution Exploring Operation: 5+79=84, Resulting Numbers: [84] 84,81 unequal: No Solution Moving to Node #0,0,2 Current State: 81:[22, 7], Operations: ['89-5=84', '84/12=7'] Exploring Operation: 22+7=29, Resulting Numbers: [29] 29,81 unequal: No Solution Exploring Operation: 22*7=154, Resulting Numbers: [154] 154,81 unequal: No Solution Exploring Operation: 22-7=15, Resulting Numbers: [15] 15,81 unequal: No Solution Moving to Node #0,1,1 Current State: 81:[89, 2], Operations: ['22-12=10', '10/5=2'] Exploring Operation: 89+2=91, Resulting Numbers: [91] 91,81 unequal: No Solution Exploring Operation: 89*2=178, Resulting Numbers: [178] 178,81 unequal: No Solution Exploring Operation: 89-2=87, Resulting Numbers: [87] 87,81 unequal: No Solution Moving to Node #0,0,0 Current State: 81:[84, 34], Operations: ['89-5=84', '22+12=34'] Exploring Operation: 84*34=2856, Resulting Numbers: [2856] 2856,81 unequal: No Solution Exploring Operation: 84+34=118, Resulting Numbers: [118] 118,81 unequal: No Solution Exploring Operation: 84-34=50, Resulting Numbers: [50] 50,81 unequal: No Solution Moving to Node #0,2,0 Current State: 81:[89, 15], Operations: ['22+5=27', '27-12=15'] Exploring Operation: 89+15=104, Resulting Numbers: [104] 104,81 unequal: No Solution Exploring Operation: 89*15=1335, Resulting Numbers: [1335] 1335,81 unequal: No Solution Exploring Operation: 89-15=74, Resulting Numbers: [74] 74,81 unequal: No Solution Moving to Node #0,2,1 Current State: 81:[27, 101], Operations: ['22+5=27', '12+89=101'] Exploring Operation: 27*101=2727, Resulting Numbers: [2727] 2727,81 unequal: No Solution Exploring Operation: 101-27=74, Resulting Numbers: [74] 74,81 unequal: No Solution Exploring Operation: 27+101=128, Resulting Numbers: [128] 128,81 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 60, 49, 64, 14 ]
59
[ "60+49=109", "64-14=50", "109-50=59" ]
Current State: 59:[60, 49, 64, 14], Operations: [] Exploring Operation: 60+49=109, Resulting Numbers: [64, 14, 109] Generated Node #2: [64, 14, 109] from Operation: 60+49=109 Current State: 59:[64, 14, 109], Operations: ['60+49=109'] Exploring Operation: 64-14=50, Resulting Numbers: [109, 50] Generated Node #3: [109, 50] from Operation: 64-14=50 Current State: 59:[109, 50], Operations: ['60+49=109', '64-14=50'] Exploring Operation: 109-50=59, Resulting Numbers: [59] 59,59 equal: Goal Reached
4
Current State: 59:[60, 49, 64, 14], Operations: [] Exploring Operation: 49+14=63, Resulting Numbers: [60, 64, 63] Generated Node #0,0: 59:[60, 64, 63] Operation: 49+14=63 Exploring Operation: 64-14=50, Resulting Numbers: [60, 49, 50] Generated Node #0,1: 59:[60, 49, 50] Operation: 64-14=50 Exploring Operation: 60+14=74, Resulting Numbers: [49, 64, 74] Generated Node #0,2: 59:[49, 64, 74] Operation: 60+14=74 Exploring Operation: 60-14=46, Resulting Numbers: [49, 64, 46] Generated Node #0,3: 59:[49, 64, 46] Operation: 60-14=46 Moving to Node #0,0 Current State: 59:[60, 64, 63], Operations: ['49+14=63'] Exploring Operation: 64-63=1, Resulting Numbers: [60, 1] Generated Node #0,0,0: 59:[60, 1] Operation: 64-63=1 Exploring Operation: 64-60=4, Resulting Numbers: [63, 4] Generated Node #0,0,1: 59:[63, 4] Operation: 64-60=4 Exploring Operation: 63-60=3, Resulting Numbers: [64, 3] Generated Node #0,0,2: 59:[64, 3] Operation: 63-60=3 Exploring Operation: 60+64=124, Resulting Numbers: [63, 124] Generated Node #0,0,3: 59:[63, 124] Operation: 60+64=124 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 59:[60, 1], Operations: ['49+14=63', '64-63=1'] Exploring Operation: 60/1=60, Resulting Numbers: [60] 60,59 unequal: No Solution Exploring Operation: 60+1=61, Resulting Numbers: [61] 61,59 unequal: No Solution Exploring Operation: 60-1=59, Resulting Numbers: [59] 59,59 equal: Goal Reached Moving to Node #0 Current State: 59:[60, 49, 64, 14], Operations: [] Exploring Operation: 49+14=63, Resulting Numbers: [60, 64, 63] Generated Node #0,0: 59:[60, 64, 63] Operation: 49+14=63 Moving to Node #0,0 Current State: 59:[60, 64, 63], Operations: ['49+14=63'] Exploring Operation: 64-63=1, Resulting Numbers: [60, 1] Generated Node #0,0,0: 59:[60, 1] Operation: 64-63=1 Moving to Node #0,0,0 Current State: 59:[60, 1], Operations: ['49+14=63', '64-63=1'] Exploring Operation: 60-1=59, Resulting Numbers: [59] 59,59 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_4
sum_heuristic
[ 80, 30, 44, 76 ]
50
[ "30*76=2280", "2280-80=2200", "2200/44=50" ]
Current State: 50:[80, 30, 44, 76], Operations: [] Exploring Operation: 30*76=2280, Resulting Numbers: [80, 44, 2280] Generated Node #2: [80, 44, 2280] from Operation: 30*76=2280 Current State: 50:[80, 44, 2280], Operations: ['30*76=2280'] Exploring Operation: 2280-80=2200, Resulting Numbers: [44, 2200] Generated Node #3: [44, 2200] from Operation: 2280-80=2200 Current State: 50:[44, 2200], Operations: ['30*76=2280', '2280-80=2200'] Exploring Operation: 2200/44=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[80, 30, 44, 76], Operations: [] Exploring Operation: 80-30=50, Resulting Numbers: [44, 76, 50] Generated Node #0,0: 50:[44, 76, 50] Operation: 80-30=50 Exploring Operation: 76-30=46, Resulting Numbers: [80, 44, 46] Generated Node #0,1: 50:[80, 44, 46] Operation: 76-30=46 Exploring Operation: 76-44=32, Resulting Numbers: [80, 30, 32] Generated Node #0,2: 50:[80, 30, 32] Operation: 76-44=32 Exploring Operation: 80-76=4, Resulting Numbers: [30, 44, 4] Generated Node #0,3: 50:[30, 44, 4] Operation: 80-76=4 Exploring Operation: 80-44=36, Resulting Numbers: [30, 76, 36] Generated Node #0,4: 50:[30, 76, 36] Operation: 80-44=36 Start Sub Search at level 1: Moving to Node #0,3 Current State: 50:[30, 44, 4], Operations: ['80-76=4'] Exploring Operation: 30-4=26, Resulting Numbers: [44, 26] Generated Node #0,3,0: 50:[44, 26] Operation: 30-4=26 Exploring Operation: 44+4=48, Resulting Numbers: [30, 48] Generated Node #0,3,1: 50:[30, 48] Operation: 44+4=48 Exploring Operation: 44/4=11, Resulting Numbers: [30, 11] Generated Node #0,3,2: 50:[30, 11] Operation: 44/4=11 Exploring Operation: 44-30=14, Resulting Numbers: [4, 14] Generated Node #0,3,3: 50:[4, 14] Operation: 44-30=14 Exploring Operation: 30+4=34, Resulting Numbers: [44, 34] Generated Node #0,3,4: 50:[44, 34] Operation: 30+4=34 Moving to Node #0,3,3 Current State: 50:[4, 14], Operations: ['80-76=4', '44-30=14'] Exploring Operation: 4*14=56, Resulting Numbers: [56] 56,50 unequal: No Solution Exploring Operation: 4+14=18, Resulting Numbers: [18] 18,50 unequal: No Solution Exploring Operation: 14-4=10, Resulting Numbers: [10] 10,50 unequal: No Solution Moving to Node #0,3,2 Current State: 50:[30, 11], Operations: ['80-76=4', '44/4=11'] Exploring Operation: 30+11=41, Resulting Numbers: [41] 41,50 unequal: No Solution Exploring Operation: 30*11=330, Resulting Numbers: [330] 330,50 unequal: No Solution Exploring Operation: 30-11=19, Resulting Numbers: [19] 19,50 unequal: No Solution Moving to Node #0,3,0 Current State: 50:[44, 26], Operations: ['80-76=4', '30-4=26'] Exploring Operation: 44*26=1144, Resulting Numbers: [1144] 1144,50 unequal: No Solution Exploring Operation: 44-26=18, Resulting Numbers: [18] 18,50 unequal: No Solution Exploring Operation: 44+26=70, Resulting Numbers: [70] 70,50 unequal: No Solution Moving to Node #0,3,1 Current State: 50:[30, 48], Operations: ['80-76=4', '44+4=48'] Exploring Operation: 30*48=1440, Resulting Numbers: [1440] 1440,50 unequal: No Solution Exploring Operation: 30+48=78, Resulting Numbers: [78] 78,50 unequal: No Solution Exploring Operation: 48-30=18, Resulting Numbers: [18] 18,50 unequal: No Solution Moving to Node #0,3,4 Current State: 50:[44, 34], Operations: ['80-76=4', '30+4=34'] Exploring Operation: 44+34=78, Resulting Numbers: [78] 78,50 unequal: No Solution Exploring Operation: 44-34=10, Resulting Numbers: [10] 10,50 unequal: No Solution Exploring Operation: 44*34=1496, Resulting Numbers: [1496] 1496,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 50:[44, 76, 50], Operations: ['80-30=50'] Exploring Operation: 44+76=120, Resulting Numbers: [50, 120] Generated Node #0,0,0: 50:[50, 120] Operation: 44+76=120 Exploring Operation: 44+50=94, Resulting Numbers: [76, 94] Generated Node #0,0,1: 50:[76, 94] Operation: 44+50=94 Exploring Operation: 76-50=26, Resulting Numbers: [44, 26] Generated Node #0,0,2: 50:[44, 26] Operation: 76-50=26 Exploring Operation: 76-44=32, Resulting Numbers: [50, 32] Generated Node #0,0,3: 50:[50, 32] Operation: 76-44=32 Exploring Operation: 50-44=6, Resulting Numbers: [76, 6] Generated Node #0,0,4: 50:[76, 6] Operation: 50-44=6 Moving to Node #0,0,2 Current State: 50:[44, 26], Operations: ['80-30=50', '76-50=26'] Exploring Operation: 44+26=70, Resulting Numbers: [70] 70,50 unequal: No Solution Exploring Operation: 44*26=1144, Resulting Numbers: [1144] 1144,50 unequal: No Solution Exploring Operation: 44-26=18, Resulting Numbers: [18] 18,50 unequal: No Solution Moving to Node #0,0,3 Current State: 50:[50, 32], Operations: ['80-30=50', '76-44=32'] Exploring Operation: 50*32=1600, Resulting Numbers: [1600] 1600,50 unequal: No Solution Exploring Operation: 50-32=18, Resulting Numbers: [18] 18,50 unequal: No Solution Exploring Operation: 50+32=82, Resulting Numbers: [82] 82,50 unequal: No Solution Moving to Node #0,0,4 Current State: 50:[76, 6], Operations: ['80-30=50', '50-44=6'] Exploring Operation: 76+6=82, Resulting Numbers: [82] 82,50 unequal: No Solution Exploring Operation: 76-6=70, Resulting Numbers: [70] 70,50 unequal: No Solution Exploring Operation: 76*6=456, Resulting Numbers: [456] 456,50 unequal: No Solution Moving to Node #0,0,0 Current State: 50:[50, 120], Operations: ['80-30=50', '44+76=120'] Exploring Operation: 50+120=170, Resulting Numbers: [170] 170,50 unequal: No Solution Exploring Operation: 120-50=70, Resulting Numbers: [70] 70,50 unequal: No Solution Exploring Operation: 50*120=6000, Resulting Numbers: [6000] 6000,50 unequal: No Solution Moving to Node #0,0,1 Current State: 50:[76, 94], Operations: ['80-30=50', '44+50=94'] Exploring Operation: 94-76=18, Resulting Numbers: [18] 18,50 unequal: No Solution Exploring Operation: 76+94=170, Resulting Numbers: [170] 170,50 unequal: No Solution Exploring Operation: 76*94=7144, Resulting Numbers: [7144] 7144,50 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:[80, 44, 46], Operations: ['76-30=46'] Exploring Operation: 44+46=90, Resulting Numbers: [80, 90] Generated Node #0,1,0: 50:[80, 90] Operation: 44+46=90 Exploring Operation: 80-46=34, Resulting Numbers: [44, 34] Generated Node #0,1,1: 50:[44, 34] Operation: 80-46=34 Exploring Operation: 80+44=124, Resulting Numbers: [46, 124] Generated Node #0,1,2: 50:[46, 124] Operation: 80+44=124 Exploring Operation: 46-44=2, Resulting Numbers: [80, 2] Generated Node #0,1,3: 50:[80, 2] Operation: 46-44=2 Exploring Operation: 80-44=36, Resulting Numbers: [46, 36] Generated Node #0,1,4: 50:[46, 36] Operation: 80-44=36 Moving to Node #0,1,1 Current State: 50:[44, 34], Operations: ['76-30=46', '80-46=34'] Exploring Operation: 44-34=10, Resulting Numbers: [10] 10,50 unequal: No Solution Exploring Operation: 44*34=1496, Resulting Numbers: [1496] 1496,50 unequal: No Solution Exploring Operation: 44+34=78, Resulting Numbers: [78] 78,50 unequal: No Solution Moving to Node #0,1,4 Current State: 50:[46, 36], Operations: ['76-30=46', '80-44=36'] Exploring Operation: 46+36=82, Resulting Numbers: [82] 82,50 unequal: No Solution Exploring Operation: 46-36=10, Resulting Numbers: [10] 10,50 unequal: No Solution Exploring Operation: 46*36=1656, Resulting Numbers: [1656] 1656,50 unequal: No Solution Moving to Node #0,1,3 Current State: 50:[80, 2], Operations: ['76-30=46', '46-44=2'] Exploring Operation: 80/2=40, Resulting Numbers: [40] 40,50 unequal: No Solution Exploring Operation: 80*2=160, Resulting Numbers: [160] 160,50 unequal: No Solution Exploring Operation: 80+2=82, Resulting Numbers: [82] 82,50 unequal: No Solution Exploring Operation: 80-2=78, Resulting Numbers: [78] 78,50 unequal: No Solution Moving to Node #0,1,0 Current State: 50:[80, 90], Operations: ['76-30=46', '44+46=90'] Exploring Operation: 90-80=10, Resulting Numbers: [10] 10,50 unequal: No Solution Exploring Operation: 80*90=7200, Resulting Numbers: [7200] 7200,50 unequal: No Solution Exploring Operation: 80+90=170, Resulting Numbers: [170] 170,50 unequal: No Solution Moving to Node #0,1,2 Current State: 50:[46, 124], Operations: ['76-30=46', '80+44=124'] Exploring Operation: 46*124=5704, Resulting Numbers: [5704] 5704,50 unequal: No Solution Exploring Operation: 46+124=170, Resulting Numbers: [170] 170,50 unequal: No Solution Exploring Operation: 124-46=78, Resulting Numbers: [78] 78,50 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 Current State: 50:[80, 30, 32], Operations: ['76-44=32'] Exploring Operation: 80+30=110, Resulting Numbers: [32, 110] Generated Node #0,2,0: 50:[32, 110] Operation: 80+30=110 Exploring Operation: 80-30=50, Resulting Numbers: [32, 50] Generated Node #0,2,1: 50:[32, 50] Operation: 80-30=50 Exploring Operation: 32-30=2, Resulting Numbers: [80, 2] Generated Node #0,2,2: 50:[80, 2] Operation: 32-30=2 Exploring Operation: 80-32=48, Resulting Numbers: [30, 48] Generated Node #0,2,3: 50:[30, 48] Operation: 80-32=48 Exploring Operation: 30+32=62, Resulting Numbers: [80, 62] Generated Node #0,2,4: 50:[80, 62] Operation: 30+32=62 Moving to Node #0,2,1 Current State: 50:[32, 50], Operations: ['76-44=32', '80-30=50'] Exploring Operation: 50-32=18, Resulting Numbers: [18] 18,50 unequal: No Solution Exploring Operation: 32*50=1600, Resulting Numbers: [1600] 1600,50 unequal: No Solution Exploring Operation: 32+50=82, Resulting Numbers: [82] 82,50 unequal: No Solution Moving to Node #0,2,3 Current State: 50:[30, 48], Operations: ['76-44=32', '80-32=48'] Exploring Operation: 30+48=78, Resulting Numbers: [78] 78,50 unequal: No Solution Exploring Operation: 30*48=1440, Resulting Numbers: [1440] 1440,50 unequal: No Solution Exploring Operation: 48-30=18, Resulting Numbers: [18] 18,50 unequal: No Solution Moving to Node #0,2,2 Current State: 50:[80, 2], Operations: ['76-44=32', '32-30=2'] Exploring Operation: 80*2=160, Resulting Numbers: [160] 160,50 unequal: No Solution Exploring Operation: 80+2=82, Resulting Numbers: [82] 82,50 unequal: No Solution Exploring Operation: 80-2=78, Resulting Numbers: [78] 78,50 unequal: No Solution Exploring Operation: 80/2=40, Resulting Numbers: [40] 40,50 unequal: No Solution Moving to Node #0,2,4 Current State: 50:[80, 62], Operations: ['76-44=32', '30+32=62'] Exploring Operation: 80+62=142, Resulting Numbers: [142] 142,50 unequal: No Solution Exploring Operation: 80-62=18, Resulting Numbers: [18] 18,50 unequal: No Solution Exploring Operation: 80*62=4960, Resulting Numbers: [4960] 4960,50 unequal: No Solution Moving to Node #0,2,0 Current State: 50:[32, 110], Operations: ['76-44=32', '80+30=110'] Exploring Operation: 110-32=78, Resulting Numbers: [78] 78,50 unequal: No Solution Exploring Operation: 32*110=3520, Resulting Numbers: [3520] 3520,50 unequal: No Solution Exploring Operation: 32+110=142, Resulting Numbers: [142] 142,50 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:[30, 76, 36], Operations: ['80-44=36'] Exploring Operation: 30+76=106, Resulting Numbers: [36, 106] Generated Node #0,4,0: 50:[36, 106] Operation: 30+76=106 Exploring Operation: 30+36=66, Resulting Numbers: [76, 66] Generated Node #0,4,1: 50:[76, 66] Operation: 30+36=66 Exploring Operation: 36-30=6, Resulting Numbers: [76, 6] Generated Node #0,4,2: 50:[76, 6] Operation: 36-30=6 Exploring Operation: 76-30=46, Resulting Numbers: [36, 46] Generated Node #0,4,3: 50:[36, 46] Operation: 76-30=46 Exploring Operation: 76-36=40, Resulting Numbers: [30, 40] Generated Node #0,4,4: 50:[30, 40] Operation: 76-36=40 Moving to Node #0,4,3 Current State: 50:[36, 46], Operations: ['80-44=36', '76-30=46'] Exploring Operation: 46-36=10, Resulting Numbers: [10] 10,50 unequal: No Solution Exploring Operation: 36+46=82, Resulting Numbers: [82] 82,50 unequal: No Solution Exploring Operation: 36*46=1656, Resulting Numbers: [1656] 1656,50 unequal: No Solution Moving to Node #0,4,4 Current State: 50:[30, 40], Operations: ['80-44=36', '76-36=40'] Exploring Operation: 30*40=1200, Resulting Numbers: [1200] 1200,50 unequal: No Solution Exploring Operation: 40-30=10, Resulting Numbers: [10] 10,50 unequal: No Solution Exploring Operation: 30+40=70, Resulting Numbers: [70] 70,50 unequal: No Solution Moving to Node #0,4,2 Current State: 50:[76, 6], Operations: ['80-44=36', '36-30=6'] Exploring Operation: 76-6=70, Resulting Numbers: [70] 70,50 unequal: No Solution Exploring Operation: 76+6=82, Resulting Numbers: [82] 82,50 unequal: No Solution Exploring Operation: 76*6=456, Resulting Numbers: [456] 456,50 unequal: No Solution Moving to Node #0,4,1 Current State: 50:[76, 66], Operations: ['80-44=36', '30+36=66'] Exploring Operation: 76+66=142, Resulting Numbers: [142] 142,50 unequal: No Solution Exploring Operation: 76*66=5016, Resulting Numbers: [5016] 5016,50 unequal: No Solution Exploring Operation: 76-66=10, Resulting Numbers: [10] 10,50 unequal: No Solution Moving to Node #0,4,0 Current State: 50:[36, 106], Operations: ['80-44=36', '30+76=106'] Exploring Operation: 106-36=70, Resulting Numbers: [70] 70,50 unequal: No Solution Exploring Operation: 36+106=142, Resulting Numbers: [142] 142,50 unequal: No Solution Exploring Operation: 36*106=3816, Resulting Numbers: [3816] 3816,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
sum_heuristic
[ 87, 20, 36, 91 ]
64
[ "91-87=4", "36-20=16", "4*16=64" ]
Current State: 64:[87, 20, 36, 91], Operations: [] Exploring Operation: 91-87=4, Resulting Numbers: [20, 36, 4] Generated Node #2: [20, 36, 4] from Operation: 91-87=4 Current State: 64:[20, 36, 4], Operations: ['91-87=4'] Exploring Operation: 36-20=16, Resulting Numbers: [4, 16] Generated Node #3: [4, 16] from Operation: 36-20=16 Current State: 64:[4, 16], Operations: ['91-87=4', '36-20=16'] Exploring Operation: 4*16=64, Resulting Numbers: [64] 64,64 equal: Goal Reached
4
Current State: 64:[87, 20, 36, 91], Operations: [] Exploring Operation: 91-87=4, Resulting Numbers: [20, 36, 4] Generated Node #0,0: 64:[20, 36, 4] Operation: 91-87=4 Exploring Operation: 91-20=71, Resulting Numbers: [87, 36, 71] Generated Node #0,1: 64:[87, 36, 71] Operation: 91-20=71 Exploring Operation: 87-20=67, Resulting Numbers: [36, 91, 67] Generated Node #0,2: 64:[36, 91, 67] Operation: 87-20=67 Start Sub Search at level 1: Moving to Node #0,0 Current State: 64:[20, 36, 4], Operations: ['91-87=4'] Exploring Operation: 20-4=16, Resulting Numbers: [36, 16] Generated Node #0,0,0: 64:[36, 16] Operation: 20-4=16 Exploring Operation: 36-4=32, Resulting Numbers: [20, 32] Generated Node #0,0,1: 64:[20, 32] Operation: 36-4=32 Exploring Operation: 36-20=16, Resulting Numbers: [4, 16] Generated Node #0,0,2: 64:[4, 16] Operation: 36-20=16 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 64:[4, 16], Operations: ['91-87=4', '36-20=16'] Exploring Operation: 4+16=20, Resulting Numbers: [20] 20,64 unequal: No Solution Exploring Operation: 4*16=64, Resulting Numbers: [64] 64,64 equal: Goal Reached Moving to Node #0 Current State: 64:[87, 20, 36, 91], Operations: [] Exploring Operation: 91-87=4, Resulting Numbers: [20, 36, 4] Generated Node #0,0: 64:[20, 36, 4] Operation: 91-87=4 Moving to Node #0,0 Current State: 64:[20, 36, 4], Operations: ['91-87=4'] Exploring Operation: 36-20=16, Resulting Numbers: [4, 16] Generated Node #0,0,2: 64:[4, 16] Operation: 36-20=16 Moving to Node #0,0,2 Current State: 64:[4, 16], Operations: ['91-87=4', '36-20=16'] Exploring Operation: 4*16=64, Resulting Numbers: [64] 64,64 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.989583
hs_3
mult_heuristic
[ 57, 36, 38, 70 ]
11
[ "57-36=21", "70-38=32", "32-21=11" ]
Current State: 11:[57, 36, 38, 70], Operations: [] Exploring Operation: 57-36=21, Resulting Numbers: [38, 70, 21] Generated Node #2: [38, 70, 21] from Operation: 57-36=21 Current State: 11:[38, 70, 21], Operations: ['57-36=21'] Exploring Operation: 70-38=32, Resulting Numbers: [21, 32] Generated Node #3: [21, 32] from Operation: 70-38=32 Current State: 11:[21, 32], Operations: ['57-36=21', '70-38=32'] Exploring Operation: 32-21=11, Resulting Numbers: [11] 11,11 equal: Goal Reached
4
Current State: 11:[57, 36, 38, 70], Operations: [] Exploring Operation: 70-57=13, Resulting Numbers: [36, 38, 13] Generated Node #0,0: 11:[36, 38, 13] Operation: 70-57=13 Exploring Operation: 57-36=21, Resulting Numbers: [38, 70, 21] Generated Node #0,1: 11:[38, 70, 21] Operation: 57-36=21 Exploring Operation: 70-38=32, Resulting Numbers: [57, 36, 32] Generated Node #0,2: 11:[57, 36, 32] Operation: 70-38=32 Exploring Operation: 57-38=19, Resulting Numbers: [36, 70, 19] Generated Node #0,3: 11:[36, 70, 19] Operation: 57-38=19 Moving to Node #0,0 Current State: 11:[36, 38, 13], Operations: ['70-57=13'] Exploring Operation: 36-13=23, Resulting Numbers: [38, 23] Generated Node #0,0,0: 11:[38, 23] Operation: 36-13=23 Exploring Operation: 38-13=25, Resulting Numbers: [36, 25] Generated Node #0,0,1: 11:[36, 25] Operation: 38-13=25 Exploring Operation: 36+38=74, Resulting Numbers: [13, 74] Generated Node #0,0,2: 11:[13, 74] Operation: 36+38=74 Exploring Operation: 38-36=2, Resulting Numbers: [13, 2] Generated Node #0,0,3: 11:[13, 2] Operation: 38-36=2 Moving to Node #0,3 Current State: 11:[36, 70, 19], Operations: ['57-38=19'] Exploring Operation: 70-36=34, Resulting Numbers: [19, 34] Generated Node #0,3,0: 11:[19, 34] Operation: 70-36=34 Exploring Operation: 36+70=106, Resulting Numbers: [19, 106] Generated Node #0,3,1: 11:[19, 106] Operation: 36+70=106 Exploring Operation: 70-19=51, Resulting Numbers: [36, 51] Generated Node #0,3,2: 11:[36, 51] Operation: 70-19=51 Exploring Operation: 36-19=17, Resulting Numbers: [70, 17] Generated Node #0,3,3: 11:[70, 17] Operation: 36-19=17 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 11:[19, 34], Operations: ['57-38=19', '70-36=34'] Exploring Operation: 34-19=15, Resulting Numbers: [15] 15,11 unequal: No Solution Exploring Operation: 19*34=646, Resulting Numbers: [646] 646,11 unequal: No Solution Exploring Operation: 19+34=53, Resulting Numbers: [53] 53,11 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 11:[36, 51], Operations: ['57-38=19', '70-19=51'] Exploring Operation: 36+51=87, Resulting Numbers: [87] 87,11 unequal: No Solution Exploring Operation: 36*51=1836, Resulting Numbers: [1836] 1836,11 unequal: No Solution Exploring Operation: 51-36=15, Resulting Numbers: [15] 15,11 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 11:[70, 17], Operations: ['57-38=19', '36-19=17'] Exploring Operation: 70-17=53, Resulting Numbers: [53] 53,11 unequal: No Solution Exploring Operation: 70+17=87, Resulting Numbers: [87] 87,11 unequal: No Solution Exploring Operation: 70*17=1190, Resulting Numbers: [1190] 1190,11 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 11:[19, 106], Operations: ['57-38=19', '36+70=106'] Exploring Operation: 106-19=87, Resulting Numbers: [87] 87,11 unequal: No Solution Exploring Operation: 19+106=125, Resulting Numbers: [125] 125,11 unequal: No Solution Exploring Operation: 19*106=2014, Resulting Numbers: [2014] 2014,11 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 11:[57, 36, 32], Operations: ['70-38=32'] Exploring Operation: 57+36=93, Resulting Numbers: [32, 93] Generated Node #0,2,0: 11:[32, 93] Operation: 57+36=93 Exploring Operation: 57-32=25, Resulting Numbers: [36, 25] Generated Node #0,2,1: 11:[36, 25] Operation: 57-32=25 Exploring Operation: 57-36=21, Resulting Numbers: [32, 21] Generated Node #0,2,2: 11:[32, 21] Operation: 57-36=21 Exploring Operation: 36-32=4, Resulting Numbers: [57, 4] Generated Node #0,2,3: 11:[57, 4] Operation: 36-32=4 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 11:[32, 21], Operations: ['70-38=32', '57-36=21'] Exploring Operation: 32*21=672, Resulting Numbers: [672] 672,11 unequal: No Solution Exploring Operation: 32+21=53, Resulting Numbers: [53] 53,11 unequal: No Solution Exploring Operation: 32-21=11, Resulting Numbers: [11] 11,11 equal: Goal Reached Moving to Node #0 Current State: 11:[57, 36, 38, 70], Operations: [] Exploring Operation: 70-38=32, Resulting Numbers: [57, 36, 32] Generated Node #0,2: 11:[57, 36, 32] Operation: 70-38=32 Moving to Node #0,2 Current State: 11:[57, 36, 32], Operations: ['70-38=32'] Exploring Operation: 57-36=21, Resulting Numbers: [32, 21] Generated Node #0,2,2: 11:[32, 21] Operation: 57-36=21 Moving to Node #0,2,2 Current State: 11:[32, 21], Operations: ['70-38=32', '57-36=21'] Exploring Operation: 32-21=11, Resulting Numbers: [11] 11,11 equal: Goal Reached Exit Sub Search at level 1
0.969618
hs_4
sum_heuristic
[ 48, 72, 46, 24 ]
94
[ "72-48=24", "46+24=70", "24+70=94" ]
Current State: 94:[48, 72, 46, 24], Operations: [] Exploring Operation: 72-48=24, Resulting Numbers: [46, 24, 24] Generated Node #2: [46, 24, 24] from Operation: 72-48=24 Current State: 94:[46, 24, 24], Operations: ['72-48=24'] Exploring Operation: 46+24=70, Resulting Numbers: [70] 70,94 equal: Goal Reached Exploring Operation: 24+70=94, Resulting Numbers: [94] 94,94 equal: Goal Reached
4
Current State: 94:[48, 72, 46, 24], Operations: [] Exploring Operation: 72-24=48, Resulting Numbers: [48, 46, 48] Generated Node #0,0: 94:[48, 46, 48] Operation: 72-24=48 Start Sub Search at level 1: Moving to Node #0,0 Current State: 94:[48, 46, 48], Operations: ['72-24=48'] Exploring Operation: 48+46=94, Resulting Numbers: [48, 94] Generated Node #0,0,0: 94:[48, 94] Operation: 48+46=94 Moving to Node #0,0,0 Current State: 94:[48, 94], Operations: ['72-24=48', '48+46=94'] Exploring Operation: 94-48=46, Resulting Numbers: [46] 46,94 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
[ 13, 15, 25, 59 ]
71
[ "25-15=10", "13*10=130", "130-59=71" ]
Current State: 71:[13, 15, 25, 59], Operations: [] Exploring Operation: 25-15=10, Resulting Numbers: [13, 59, 10] Generated Node #2: [13, 59, 10] from Operation: 25-15=10 Current State: 71:[13, 59, 10], Operations: ['25-15=10'] Exploring Operation: 13*10=130, Resulting Numbers: [59, 130] Generated Node #3: [59, 130] from Operation: 13*10=130 Current State: 71:[59, 130], Operations: ['25-15=10', '13*10=130'] Exploring Operation: 130-59=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
4
Current State: 71:[13, 15, 25, 59], Operations: [] Exploring Operation: 15+25=40, Resulting Numbers: [13, 59, 40] Generated Node #0,0: 71:[13, 59, 40] Operation: 15+25=40 Exploring Operation: 13+15=28, Resulting Numbers: [25, 59, 28] Generated Node #0,1: 71:[25, 59, 28] Operation: 13+15=28 Exploring Operation: 13+25=38, Resulting Numbers: [15, 59, 38] Generated Node #0,2: 71:[15, 59, 38] Operation: 13+25=38 Exploring Operation: 13+59=72, Resulting Numbers: [15, 25, 72] Generated Node #0,3: 71:[15, 25, 72] Operation: 13+59=72 Exploring Operation: 15+59=74, Resulting Numbers: [13, 25, 74] Generated Node #0,4: 71:[13, 25, 74] Operation: 15+59=74 Start Sub Search at level 1: Moving to Node #0,0 Current State: 71:[13, 59, 40], Operations: ['15+25=40'] Exploring Operation: 59+40=99, Resulting Numbers: [13, 99] Generated Node #0,0,0: 71:[13, 99] Operation: 59+40=99 Exploring Operation: 40-13=27, Resulting Numbers: [59, 27] Generated Node #0,0,1: 71:[59, 27] Operation: 40-13=27 Exploring Operation: 13+59=72, Resulting Numbers: [40, 72] Generated Node #0,0,2: 71:[40, 72] Operation: 13+59=72 Exploring Operation: 59-13=46, Resulting Numbers: [40, 46] Generated Node #0,0,3: 71:[40, 46] Operation: 59-13=46 Exploring Operation: 13+40=53, Resulting Numbers: [59, 53] Generated Node #0,0,4: 71:[59, 53] Operation: 13+40=53 Moving to Node #0,0,4 Current State: 71:[59, 53], Operations: ['15+25=40', '13+40=53'] Exploring Operation: 59-53=6, Resulting Numbers: [6] 6,71 unequal: No Solution Exploring Operation: 59+53=112, Resulting Numbers: [112] 112,71 unequal: No Solution Exploring Operation: 59*53=3127, Resulting Numbers: [3127] 3127,71 unequal: No Solution Moving to Node #0,0,2 Current State: 71:[40, 72], Operations: ['15+25=40', '13+59=72'] Exploring Operation: 40+72=112, Resulting Numbers: [112] 112,71 unequal: No Solution Exploring Operation: 72-40=32, Resulting Numbers: [32] 32,71 unequal: No Solution Exploring Operation: 40*72=2880, Resulting Numbers: [2880] 2880,71 unequal: No Solution Moving to Node #0,0,1 Current State: 71:[59, 27], Operations: ['15+25=40', '40-13=27'] Exploring Operation: 59+27=86, Resulting Numbers: [86] 86,71 unequal: No Solution Exploring Operation: 59*27=1593, Resulting Numbers: [1593] 1593,71 unequal: No Solution Exploring Operation: 59-27=32, Resulting Numbers: [32] 32,71 unequal: No Solution Moving to Node #0,0,3 Current State: 71:[40, 46], Operations: ['15+25=40', '59-13=46'] Exploring Operation: 46-40=6, Resulting Numbers: [6] 6,71 unequal: No Solution Exploring Operation: 40*46=1840, Resulting Numbers: [1840] 1840,71 unequal: No Solution Exploring Operation: 40+46=86, Resulting Numbers: [86] 86,71 unequal: No Solution Moving to Node #0,0,0 Current State: 71:[13, 99], Operations: ['15+25=40', '59+40=99'] Exploring Operation: 13*99=1287, Resulting Numbers: [1287] 1287,71 unequal: No Solution Exploring Operation: 13+99=112, Resulting Numbers: [112] 112,71 unequal: No Solution Exploring Operation: 99-13=86, Resulting Numbers: [86] 86,71 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 Current State: 71:[25, 59, 28], Operations: ['13+15=28'] Exploring Operation: 28-25=3, Resulting Numbers: [59, 3] Generated Node #0,1,0: 71:[59, 3] Operation: 28-25=3 Exploring Operation: 25+28=53, Resulting Numbers: [59, 53] Generated Node #0,1,1: 71:[59, 53] Operation: 25+28=53 Exploring Operation: 25+59=84, Resulting Numbers: [28, 84] Generated Node #0,1,2: 71:[28, 84] Operation: 25+59=84 Exploring Operation: 59-25=34, Resulting Numbers: [28, 34] Generated Node #0,1,3: 71:[28, 34] Operation: 59-25=34 Exploring Operation: 59+28=87, Resulting Numbers: [25, 87] Generated Node #0,1,4: 71:[25, 87] Operation: 59+28=87 Moving to Node #0,1,1 Current State: 71:[59, 53], Operations: ['13+15=28', '25+28=53'] Exploring Operation: 59+53=112, Resulting Numbers: [112] 112,71 unequal: No Solution Exploring Operation: 59*53=3127, Resulting Numbers: [3127] 3127,71 unequal: No Solution Exploring Operation: 59-53=6, Resulting Numbers: [6] 6,71 unequal: No Solution Moving to Node #0,1,2 Current State: 71:[28, 84], Operations: ['13+15=28', '25+59=84'] Exploring Operation: 84-28=56, Resulting Numbers: [56] 56,71 unequal: No Solution Exploring Operation: 28+84=112, Resulting Numbers: [112] 112,71 unequal: No Solution Exploring Operation: 28*84=2352, Resulting Numbers: [2352] 2352,71 unequal: No Solution Exploring Operation: 84/28=3, Resulting Numbers: [3] 3,71 unequal: No Solution Moving to Node #0,1,4 Current State: 71:[25, 87], Operations: ['13+15=28', '59+28=87'] Exploring Operation: 25*87=2175, Resulting Numbers: [2175] 2175,71 unequal: No Solution Exploring Operation: 25+87=112, Resulting Numbers: [112] 112,71 unequal: No Solution Exploring Operation: 87-25=62, Resulting Numbers: [62] 62,71 unequal: No Solution Moving to Node #0,1,0 Current State: 71:[59, 3], Operations: ['13+15=28', '28-25=3'] Exploring Operation: 59-3=56, Resulting Numbers: [56] 56,71 unequal: No Solution Exploring Operation: 59*3=177, Resulting Numbers: [177] 177,71 unequal: No Solution Exploring Operation: 59+3=62, Resulting Numbers: [62] 62,71 unequal: No Solution Moving to Node #0,1,3 Current State: 71:[28, 34], Operations: ['13+15=28', '59-25=34'] Exploring Operation: 28*34=952, Resulting Numbers: [952] 952,71 unequal: No Solution Exploring Operation: 34-28=6, Resulting Numbers: [6] 6,71 unequal: No Solution Exploring Operation: 28+34=62, Resulting Numbers: [62] 62,71 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 #0,2 Current State: 71:[15, 59, 38], Operations: ['13+25=38'] Exploring Operation: 59-15=44, Resulting Numbers: [38, 44] Generated Node #0,2,0: 71:[38, 44] Operation: 59-15=44 Exploring Operation: 38-15=23, Resulting Numbers: [59, 23] Generated Node #0,2,1: 71:[59, 23] Operation: 38-15=23 Exploring Operation: 15+38=53, Resulting Numbers: [59, 53] Generated Node #0,2,2: 71:[59, 53] Operation: 15+38=53 Exploring Operation: 59+38=97, Resulting Numbers: [15, 97] Generated Node #0,2,3: 71:[15, 97] Operation: 59+38=97 Exploring Operation: 15+59=74, Resulting Numbers: [38, 74] Generated Node #0,2,4: 71:[38, 74] Operation: 15+59=74 Moving to Node #0,2,2 Current State: 71:[59, 53], Operations: ['13+25=38', '15+38=53'] Exploring Operation: 59+53=112, Resulting Numbers: [112] 112,71 unequal: No Solution Exploring Operation: 59*53=3127, Resulting Numbers: [3127] 3127,71 unequal: No Solution Exploring Operation: 59-53=6, Resulting Numbers: [6] 6,71 unequal: No Solution Moving to Node #0,2,4 Current State: 71:[38, 74], Operations: ['13+25=38', '15+59=74'] Exploring Operation: 38*74=2812, Resulting Numbers: [2812] 2812,71 unequal: No Solution Exploring Operation: 38+74=112, Resulting Numbers: [112] 112,71 unequal: No Solution Exploring Operation: 74-38=36, Resulting Numbers: [36] 36,71 unequal: No Solution Moving to Node #0,2,0 Current State: 71:[38, 44], Operations: ['13+25=38', '59-15=44'] Exploring Operation: 38+44=82, Resulting Numbers: [82] 82,71 unequal: No Solution Exploring Operation: 44-38=6, Resulting Numbers: [6] 6,71 unequal: No Solution Exploring Operation: 38*44=1672, Resulting Numbers: [1672] 1672,71 unequal: No Solution Moving to Node #0,2,1 Current State: 71:[59, 23], Operations: ['13+25=38', '38-15=23'] Exploring Operation: 59-23=36, Resulting Numbers: [36] 36,71 unequal: No Solution Exploring Operation: 59+23=82, Resulting Numbers: [82] 82,71 unequal: No Solution Exploring Operation: 59*23=1357, Resulting Numbers: [1357] 1357,71 unequal: No Solution Moving to Node #0,2,3 Current State: 71:[15, 97], Operations: ['13+25=38', '59+38=97'] Exploring Operation: 97-15=82, Resulting Numbers: [82] 82,71 unequal: No Solution Exploring Operation: 15+97=112, Resulting Numbers: [112] 112,71 unequal: No Solution Exploring Operation: 15*97=1455, Resulting Numbers: [1455] 1455,71 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 #0,3 Current State: 71:[15, 25, 72], Operations: ['13+59=72'] Exploring Operation: 25-15=10, Resulting Numbers: [72, 10] Generated Node #0,3,0: 71:[72, 10] Operation: 25-15=10 Exploring Operation: 15+72=87, Resulting Numbers: [25, 87] Generated Node #0,3,1: 71:[25, 87] Operation: 15+72=87 Exploring Operation: 15+25=40, Resulting Numbers: [72, 40] Generated Node #0,3,2: 71:[72, 40] Operation: 15+25=40 Exploring Operation: 72-15=57, Resulting Numbers: [25, 57] Generated Node #0,3,3: 71:[25, 57] Operation: 72-15=57 Exploring Operation: 72-25=47, Resulting Numbers: [15, 47] Generated Node #0,3,4: 71:[15, 47] Operation: 72-25=47 Moving to Node #0,3,2 Current State: 71:[72, 40], Operations: ['13+59=72', '15+25=40'] Exploring Operation: 72*40=2880, Resulting Numbers: [2880] 2880,71 unequal: No Solution Exploring Operation: 72-40=32, Resulting Numbers: [32] 32,71 unequal: No Solution Exploring Operation: 72+40=112, Resulting Numbers: [112] 112,71 unequal: No Solution Moving to Node #0,3,3 Current State: 71:[25, 57], Operations: ['13+59=72', '72-15=57'] Exploring Operation: 25*57=1425, Resulting Numbers: [1425] 1425,71 unequal: No Solution Exploring Operation: 25+57=82, Resulting Numbers: [82] 82,71 unequal: No Solution Exploring Operation: 57-25=32, Resulting Numbers: [32] 32,71 unequal: No Solution Moving to Node #0,3,0 Current State: 71:[72, 10], Operations: ['13+59=72', '25-15=10'] Exploring Operation: 72-10=62, Resulting Numbers: [62] 62,71 unequal: No Solution Exploring Operation: 72+10=82, Resulting Numbers: [82] 82,71 unequal: No Solution Exploring Operation: 72*10=720, Resulting Numbers: [720] 720,71 unequal: No Solution Moving to Node #0,3,1 Current State: 71:[25, 87], Operations: ['13+59=72', '15+72=87'] Exploring Operation: 87-25=62, Resulting Numbers: [62] 62,71 unequal: No Solution Exploring Operation: 25*87=2175, Resulting Numbers: [2175] 2175,71 unequal: No Solution Exploring Operation: 25+87=112, Resulting Numbers: [112] 112,71 unequal: No Solution Moving to Node #0,3,4 Current State: 71:[15, 47], Operations: ['13+59=72', '72-25=47'] Exploring Operation: 15*47=705, Resulting Numbers: [705] 705,71 unequal: No Solution Exploring Operation: 47-15=32, Resulting Numbers: [32] 32,71 unequal: No Solution Exploring Operation: 15+47=62, Resulting Numbers: [62] 62,71 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 #0,4 Current State: 71:[13, 25, 74], Operations: ['15+59=74'] Exploring Operation: 25-13=12, Resulting Numbers: [74, 12] Generated Node #0,4,0: 71:[74, 12] Operation: 25-13=12 Exploring Operation: 13+74=87, Resulting Numbers: [25, 87] Generated Node #0,4,1: 71:[25, 87] Operation: 13+74=87 Exploring Operation: 13+25=38, Resulting Numbers: [74, 38] Generated Node #0,4,2: 71:[74, 38] Operation: 13+25=38 Exploring Operation: 74-13=61, Resulting Numbers: [25, 61] Generated Node #0,4,3: 71:[25, 61] Operation: 74-13=61 Exploring Operation: 74-25=49, Resulting Numbers: [13, 49] Generated Node #0,4,4: 71:[13, 49] Operation: 74-25=49 Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 71:[74, 38], Operations: ['15+59=74', '13+25=38'] Exploring Operation: 74+38=112, Resulting Numbers: [112] 112,71 unequal: No Solution Exploring Operation: 74*38=2812, Resulting Numbers: [2812] 2812,71 unequal: No Solution Exploring Operation: 74-38=36, Resulting Numbers: [36] 36,71 unequal: No Solution No 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: 71:[25, 61], Operations: ['15+59=74', '74-13=61'] Exploring Operation: 25+61=86, Resulting Numbers: [86] 86,71 unequal: No Solution Exploring Operation: 25*61=1525, Resulting Numbers: [1525] 1525,71 unequal: No Solution Exploring Operation: 61-25=36, Resulting Numbers: [36] 36,71 unequal: No Solution No 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: 71:[74, 12], Operations: ['15+59=74', '25-13=12'] Exploring Operation: 74-12=62, Resulting Numbers: [62] 62,71 unequal: No Solution Exploring Operation: 74*12=888, Resulting Numbers: [888] 888,71 unequal: No Solution Exploring Operation: 74+12=86, Resulting Numbers: [86] 86,71 unequal: No Solution No 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: 71:[25, 87], Operations: ['15+59=74', '13+74=87'] Exploring Operation: 87-25=62, Resulting Numbers: [62] 62,71 unequal: No Solution Exploring Operation: 25*87=2175, Resulting Numbers: [2175] 2175,71 unequal: No Solution Exploring Operation: 25+87=112, Resulting Numbers: [112] 112,71 unequal: No Solution No 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: 71:[13, 49], Operations: ['15+59=74', '74-25=49'] Exploring Operation: 49-13=36, Resulting Numbers: [36] 36,71 unequal: No Solution Exploring Operation: 13+49=62, Resulting Numbers: [62] 62,71 unequal: No Solution Exploring Operation: 13*49=637, Resulting Numbers: [637] 637,71 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
[ 15, 90, 22, 20 ]
33
[ "90-15=75", "22+20=42", "75-42=33" ]
Current State: 33:[15, 90, 22, 20], Operations: [] Exploring Operation: 90-15=75, Resulting Numbers: [22, 20, 75] Generated Node #2: [22, 20, 75] from Operation: 90-15=75 Current State: 33:[22, 20, 75], Operations: ['90-15=75'] Exploring Operation: 22+20=42, Resulting Numbers: [75, 42] Generated Node #3: [75, 42] from Operation: 22+20=42 Current State: 33:[75, 42], Operations: ['90-15=75', '22+20=42'] Exploring Operation: 75-42=33, Resulting Numbers: [33] 33,33 equal: Goal Reached
4
Current State: 33:[15, 90, 22, 20], Operations: [] Exploring Operation: 90-15=75, Resulting Numbers: [22, 20, 75] Generated Node #0,0: 33:[22, 20, 75] Operation: 90-15=75 Exploring Operation: 90-20=70, Resulting Numbers: [15, 22, 70] Generated Node #0,1: 33:[15, 22, 70] Operation: 90-20=70 Exploring Operation: 22-20=2, Resulting Numbers: [15, 90, 2] Generated Node #0,2: 33:[15, 90, 2] Operation: 22-20=2 Exploring Operation: 90-22=68, Resulting Numbers: [15, 20, 68] Generated Node #0,3: 33:[15, 20, 68] Operation: 90-22=68 Exploring Operation: 90/15=6, Resulting Numbers: [22, 20, 6] Generated Node #0,4: 33:[22, 20, 6] Operation: 90/15=6 Start Sub Search at level 1: Moving to Node #0,4 Current State: 33:[22, 20, 6], Operations: ['90/15=6'] Exploring Operation: 22+20=42, Resulting Numbers: [6, 42] Generated Node #0,4,0: 33:[6, 42] Operation: 22+20=42 Exploring Operation: 20-6=14, Resulting Numbers: [22, 14] Generated Node #0,4,1: 33:[22, 14] Operation: 20-6=14 Exploring Operation: 22-6=16, Resulting Numbers: [20, 16] Generated Node #0,4,2: 33:[20, 16] Operation: 22-6=16 Exploring Operation: 22-20=2, Resulting Numbers: [6, 2] Generated Node #0,4,3: 33:[6, 2] Operation: 22-20=2 Exploring Operation: 22+6=28, Resulting Numbers: [20, 28] Generated Node #0,4,4: 33:[20, 28] Operation: 22+6=28 Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 33:[6, 2], Operations: ['90/15=6', '22-20=2'] Exploring Operation: 6-2=4, Resulting Numbers: [4] 4,33 unequal: No Solution Exploring Operation: 6/2=3, Resulting Numbers: [3] 3,33 unequal: No Solution Exploring Operation: 6+2=8, Resulting Numbers: [8] 8,33 unequal: No Solution Exploring Operation: 6*2=12, Resulting Numbers: [12] 12,33 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 #0,4,0 Current State: 33:[6, 42], Operations: ['90/15=6', '22+20=42'] Exploring Operation: 42/6=7, Resulting Numbers: [7] 7,33 unequal: No Solution Exploring Operation: 42-6=36, Resulting Numbers: [36] 36,33 unequal: No Solution Exploring Operation: 6*42=252, Resulting Numbers: [252] 252,33 unequal: No Solution Exploring Operation: 6+42=48, Resulting Numbers: [48] 48,33 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 #0,4,1 Current State: 33:[22, 14], Operations: ['90/15=6', '20-6=14'] Exploring Operation: 22*14=308, Resulting Numbers: [308] 308,33 unequal: No Solution Exploring Operation: 22+14=36, Resulting Numbers: [36] 36,33 unequal: No Solution Exploring Operation: 22-14=8, Resulting Numbers: [8] 8,33 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 33:[20, 16], Operations: ['90/15=6', '22-6=16'] Exploring Operation: 20+16=36, Resulting Numbers: [36] 36,33 unequal: No Solution Exploring Operation: 20-16=4, Resulting Numbers: [4] 4,33 unequal: No Solution Exploring Operation: 20*16=320, Resulting Numbers: [320] 320,33 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 #0,4,4 Current State: 33:[20, 28], Operations: ['90/15=6', '22+6=28'] Exploring Operation: 28-20=8, Resulting Numbers: [8] 8,33 unequal: No Solution Exploring Operation: 20+28=48, Resulting Numbers: [48] 48,33 unequal: No Solution Exploring Operation: 20*28=560, Resulting Numbers: [560] 560,33 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 33:[15, 20, 68], Operations: ['90-22=68'] Exploring Operation: 68-15=53, Resulting Numbers: [20, 53] Generated Node #0,3,0: 33:[20, 53] Operation: 68-15=53 Exploring Operation: 15+68=83, Resulting Numbers: [20, 83] Generated Node #0,3,1: 33:[20, 83] Operation: 15+68=83 Exploring Operation: 68-20=48, Resulting Numbers: [15, 48] Generated Node #0,3,2: 33:[15, 48] Operation: 68-20=48 Exploring Operation: 15+20=35, Resulting Numbers: [68, 35] Generated Node #0,3,3: 33:[68, 35] Operation: 15+20=35 Exploring Operation: 20-15=5, Resulting Numbers: [68, 5] Generated Node #0,3,4: 33:[68, 5] Operation: 20-15=5 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 33:[15, 48], Operations: ['90-22=68', '68-20=48'] Exploring Operation: 15+48=63, Resulting Numbers: [63] 63,33 unequal: No Solution Exploring Operation: 48-15=33, Resulting Numbers: [33] 33,33 equal: Goal Reached Moving to Node #0 Current State: 33:[15, 90, 22, 20], Operations: [] Exploring Operation: 90-22=68, Resulting Numbers: [15, 20, 68] Generated Node #0,3: 33:[15, 20, 68] Operation: 90-22=68 Moving to Node #0,3 Current State: 33:[15, 20, 68], Operations: ['90-22=68'] Exploring Operation: 68-20=48, Resulting Numbers: [15, 48] Generated Node #0,3,2: 33:[15, 48] Operation: 68-20=48 Moving to Node #0,3,2 Current State: 33:[15, 48], Operations: ['90-22=68', '68-20=48'] Exploring Operation: 48-15=33, Resulting Numbers: [33] 33,33 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.967014
hs_5
sum_heuristic
[ 78, 96, 60, 36 ]
58
[ "96-78=18", "36/18=2", "60-2=58" ]
Current State: 58:[78, 96, 60, 36], Operations: [] Exploring Operation: 96-78=18, Resulting Numbers: [60, 36, 18] Generated Node #2: [60, 36, 18] from Operation: 96-78=18 Current State: 58:[60, 36, 18], Operations: ['96-78=18'] Exploring Operation: 36/18=2, Resulting Numbers: [60, 2] Generated Node #3: [60, 2] from Operation: 36/18=2 Current State: 58:[60, 2], Operations: ['96-78=18', '36/18=2'] Exploring Operation: 60-2=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[78, 96, 60, 36], Operations: [] Exploring Operation: 96-78=18, Resulting Numbers: [60, 36, 18] Generated Node #0,0: 58:[60, 36, 18] Operation: 96-78=18 Start Sub Search at level 1: Moving to Node #0,0 Current State: 58:[60, 36, 18], Operations: ['96-78=18'] Exploring Operation: 36/18=2, Resulting Numbers: [60, 2] Generated Node #0,0,0: 58:[60, 2] Operation: 36/18=2 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 58:[60, 2], Operations: ['96-78=18', '36/18=2'] Exploring Operation: 60-2=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Moving to Node #0 Current State: 58:[78, 96, 60, 36], Operations: [] Exploring Operation: 96-78=18, Resulting Numbers: [60, 36, 18] Generated Node #0,0: 58:[60, 36, 18] Operation: 96-78=18 Moving to Node #0,0 Current State: 58:[60, 36, 18], Operations: ['96-78=18'] Exploring Operation: 36/18=2, Resulting Numbers: [60, 2] Generated Node #0,0,0: 58:[60, 2] Operation: 36/18=2 Moving to Node #0,0,0 Current State: 58:[60, 2], Operations: ['96-78=18', '36/18=2'] Exploring Operation: 60-2=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 43, 78, 9, 14 ]
91
[ "78-43=35", "9*14=126", "126-35=91" ]
Current State: 91:[43, 78, 9, 14], Operations: [] Exploring Operation: 78-43=35, Resulting Numbers: [9, 14, 35] Generated Node #2: [9, 14, 35] from Operation: 78-43=35 Current State: 91:[9, 14, 35], Operations: ['78-43=35'] Exploring Operation: 9*14=126, Resulting Numbers: [35, 126] Generated Node #3: [35, 126] from Operation: 9*14=126 Current State: 91:[35, 126], Operations: ['78-43=35', '9*14=126'] Exploring Operation: 126-35=91, Resulting Numbers: [91] 91,91 equal: Goal Reached
4
Current State: 91:[43, 78, 9, 14], Operations: [] Exploring Operation: 43+78=121, Resulting Numbers: [9, 14, 121] Generated Node #0,0: 91:[9, 14, 121] Operation: 43+78=121 Exploring Operation: 78-43=35, Resulting Numbers: [9, 14, 35] Generated Node #0,1: 91:[9, 14, 35] Operation: 78-43=35 Exploring Operation: 43-14=29, Resulting Numbers: [78, 9, 29] Generated Node #0,2: 91:[78, 9, 29] Operation: 43-14=29 Exploring Operation: 78+14=92, Resulting Numbers: [43, 9, 92] Generated Node #0,3: 91:[43, 9, 92] Operation: 78+14=92 Moving to Node #0,1 Current State: 91:[9, 14, 35], Operations: ['78-43=35'] Exploring Operation: 35-14=21, Resulting Numbers: [9, 21] Generated Node #0,1,0: 91:[9, 21] Operation: 35-14=21 Exploring Operation: 35-9=26, Resulting Numbers: [14, 26] Generated Node #0,1,1: 91:[14, 26] Operation: 35-9=26 Exploring Operation: 9+14=23, Resulting Numbers: [35, 23] Generated Node #0,1,2: 91:[35, 23] Operation: 9+14=23 Exploring Operation: 14-9=5, Resulting Numbers: [35, 5] Generated Node #0,1,3: 91:[35, 5] Operation: 14-9=5 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 91:[9, 21], Operations: ['78-43=35', '35-14=21'] Exploring Operation: 21-9=12, Resulting Numbers: [12] 12,91 unequal: No Solution Exploring Operation: 9+21=30, Resulting Numbers: [30] 30,91 unequal: No Solution Exploring Operation: 9*21=189, Resulting Numbers: [189] 189,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 91:[14, 26], Operations: ['78-43=35', '35-9=26'] Exploring Operation: 26-14=12, Resulting Numbers: [12] 12,91 unequal: No Solution Exploring Operation: 14+26=40, Resulting Numbers: [40] 40,91 unequal: No Solution Exploring Operation: 14*26=364, Resulting Numbers: [364] 364,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 91:[35, 5], Operations: ['78-43=35', '14-9=5'] Exploring Operation: 35-5=30, Resulting Numbers: [30] 30,91 unequal: No Solution Exploring Operation: 35+5=40, Resulting Numbers: [40] 40,91 unequal: No Solution Exploring Operation: 35/5=7, Resulting Numbers: [7] 7,91 unequal: No Solution Exploring Operation: 35*5=175, Resulting Numbers: [175] 175,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 91:[35, 23], Operations: ['78-43=35', '9+14=23'] Exploring Operation: 35-23=12, Resulting Numbers: [12] 12,91 unequal: No Solution Exploring Operation: 35*23=805, Resulting Numbers: [805] 805,91 unequal: No Solution Exploring Operation: 35+23=58, Resulting Numbers: [58] 58,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 91:[78, 9, 29], Operations: ['43-14=29'] Exploring Operation: 78+29=107, Resulting Numbers: [9, 107] Generated Node #0,2,0: 91:[9, 107] Operation: 78+29=107 Exploring Operation: 78-9=69, Resulting Numbers: [29, 69] Generated Node #0,2,1: 91:[29, 69] Operation: 78-9=69 Exploring Operation: 78+9=87, Resulting Numbers: [29, 87] Generated Node #0,2,2: 91:[29, 87] Operation: 78+9=87 Exploring Operation: 29-9=20, Resulting Numbers: [78, 20] Generated Node #0,2,3: 91:[78, 20] Operation: 29-9=20 Moving to Node #0,3 Current State: 91:[43, 9, 92], Operations: ['78+14=92'] Exploring Operation: 43+9=52, Resulting Numbers: [92, 52] Generated Node #0,3,0: 91:[92, 52] Operation: 43+9=52 Exploring Operation: 43-9=34, Resulting Numbers: [92, 34] Generated Node #0,3,1: 91:[92, 34] Operation: 43-9=34 Exploring Operation: 92-9=83, Resulting Numbers: [43, 83] Generated Node #0,3,2: 91:[43, 83] Operation: 92-9=83 Exploring Operation: 92-43=49, Resulting Numbers: [9, 49] Generated Node #0,3,3: 91:[9, 49] Operation: 92-43=49 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 91:[92, 34], Operations: ['78+14=92', '43-9=34'] Exploring Operation: 92+34=126, Resulting Numbers: [126] 126,91 unequal: No Solution Exploring Operation: 92*34=3128, Resulting Numbers: [3128] 3128,91 unequal: No Solution Exploring Operation: 92-34=58, Resulting Numbers: [58] 58,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 91:[43, 83], Operations: ['78+14=92', '92-9=83'] Exploring Operation: 83-43=40, Resulting Numbers: [40] 40,91 unequal: No Solution Exploring Operation: 43*83=3569, Resulting Numbers: [3569] 3569,91 unequal: No Solution Exploring Operation: 43+83=126, Resulting Numbers: [126] 126,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 91:[9, 49], Operations: ['78+14=92', '92-43=49'] Exploring Operation: 9*49=441, Resulting Numbers: [441] 441,91 unequal: No Solution Exploring Operation: 9+49=58, Resulting Numbers: [58] 58,91 unequal: No Solution Exploring Operation: 49-9=40, Resulting Numbers: [40] 40,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 91:[92, 52], Operations: ['78+14=92', '43+9=52'] Exploring Operation: 92*52=4784, Resulting Numbers: [4784] 4784,91 unequal: No Solution Exploring Operation: 92+52=144, Resulting Numbers: [144] 144,91 unequal: No Solution Exploring Operation: 92-52=40, Resulting Numbers: [40] 40,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 91:[9, 14, 121], Operations: ['43+78=121'] Exploring Operation: 9+14=23, Resulting Numbers: [121, 23] Generated Node #0,0,0: 91:[121, 23] Operation: 9+14=23 Exploring Operation: 14-9=5, Resulting Numbers: [121, 5] Generated Node #0,0,1: 91:[121, 5] Operation: 14-9=5 Exploring Operation: 121-14=107, Resulting Numbers: [9, 107] Generated Node #0,0,2: 91:[9, 107] Operation: 121-14=107 Exploring Operation: 121-9=112, Resulting Numbers: [14, 112] Generated Node #0,0,3: 91:[14, 112] Operation: 121-9=112 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 91:[9, 107], Operations: ['43+78=121', '121-14=107'] Exploring Operation: 9*107=963, Resulting Numbers: [963] 963,91 unequal: No Solution Exploring Operation: 107-9=98, Resulting Numbers: [98] 98,91 unequal: No Solution Exploring Operation: 9+107=116, Resulting Numbers: [116] 116,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 91:[14, 112], Operations: ['43+78=121', '121-9=112'] Exploring Operation: 14*112=1568, Resulting Numbers: [1568] 1568,91 unequal: No Solution Exploring Operation: 112/14=8, Resulting Numbers: [8] 8,91 unequal: No Solution Exploring Operation: 112-14=98, Resulting Numbers: [98] 98,91 unequal: No Solution Exploring Operation: 14+112=126, Resulting Numbers: [126] 126,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 91:[121, 5], Operations: ['43+78=121', '14-9=5'] Exploring Operation: 121-5=116, Resulting Numbers: [116] 116,91 unequal: No Solution Exploring Operation: 121*5=605, Resulting Numbers: [605] 605,91 unequal: No Solution Exploring Operation: 121+5=126, Resulting Numbers: [126] 126,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 91:[121, 23], Operations: ['43+78=121', '9+14=23'] Exploring Operation: 121+23=144, Resulting Numbers: [144] 144,91 unequal: No Solution Exploring Operation: 121-23=98, Resulting Numbers: [98] 98,91 unequal: No Solution Exploring Operation: 121*23=2783, Resulting Numbers: [2783] 2783,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2,0 Current State: 91:[9, 107], Operations: ['43-14=29', '78+29=107'] Exploring Operation: 9+107=116, Resulting Numbers: [116] 116,91 unequal: No Solution Exploring Operation: 9*107=963, Resulting Numbers: [963] 963,91 unequal: No Solution Exploring Operation: 107-9=98, Resulting Numbers: [98] 98,91 unequal: No Solution Moving to Node #0,2,3 Current State: 91:[78, 20], Operations: ['43-14=29', '29-9=20'] Exploring Operation: 78+20=98, Resulting Numbers: [98] 98,91 unequal: No Solution Exploring Operation: 78-20=58, Resulting Numbers: [58] 58,91 unequal: No Solution Exploring Operation: 78*20=1560, Resulting Numbers: [1560] 1560,91 unequal: No Solution Moving to Node #0,2,2 Current State: 91:[29, 87], Operations: ['43-14=29', '78+9=87'] Exploring Operation: 87-29=58, Resulting Numbers: [58] 58,91 unequal: No Solution Exploring Operation: 87/29=3, Resulting Numbers: [3] 3,91 unequal: No Solution Exploring Operation: 29+87=116, Resulting Numbers: [116] 116,91 unequal: No Solution Exploring Operation: 29*87=2523, Resulting Numbers: [2523] 2523,91 unequal: No Solution Moving to Node #0,2,1 Current State: 91:[29, 69], Operations: ['43-14=29', '78-9=69'] Exploring Operation: 29*69=2001, Resulting Numbers: [2001] 2001,91 unequal: No Solution Exploring Operation: 69-29=40, Resulting Numbers: [40] 40,91 unequal: No Solution Exploring Operation: 29+69=98, Resulting Numbers: [98] 98,91 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 75, 90, 91, 87 ]
66
[ "90-87=3", "75/3=25", "91-25=66" ]
Current State: 66:[75, 90, 91, 87], Operations: [] Exploring Operation: 90-87=3, Resulting Numbers: [75, 91, 3] Generated Node #2: [75, 91, 3] from Operation: 90-87=3 Current State: 66:[75, 91, 3], Operations: ['90-87=3'] Exploring Operation: 75/3=25, Resulting Numbers: [91, 25] Generated Node #3: [91, 25] from Operation: 75/3=25 Current State: 66:[91, 25], Operations: ['90-87=3', '75/3=25'] Exploring Operation: 91-25=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
4
Current State: 66:[75, 90, 91, 87], Operations: [] Exploring Operation: 91-90=1, Resulting Numbers: [75, 87, 1] Generated Node #0,0: 66:[75, 87, 1] Operation: 91-90=1 Moving to Node #0,0 Current State: 66:[75, 87, 1], Operations: ['91-90=1'] Exploring Operation: 87-75=12, Resulting Numbers: [1, 12] Generated Node #0,0,0: 66:[1, 12] Operation: 87-75=12 Moving to Node #0,0,0 Current State: 66:[1, 12], Operations: ['91-90=1', '87-75=12'] Exploring Operation: 12-1=11, Resulting Numbers: [11] 11,66 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 32, 4, 30, 31 ]
39
[ "32-30=2", "4*2=8", "31+8=39" ]
Current State: 39:[32, 4, 30, 31], Operations: [] Exploring Operation: 32-30=2, Resulting Numbers: [4, 31, 2] Generated Node #2: [4, 31, 2] from Operation: 32-30=2 Current State: 39:[4, 31, 2], Operations: ['32-30=2'] Exploring Operation: 4*2=8, Resulting Numbers: [31, 8] Generated Node #3: [31, 8] from Operation: 4*2=8 Current State: 39:[31, 8], Operations: ['32-30=2', '4*2=8'] Exploring Operation: 31+8=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
4
Current State: 39:[32, 4, 30, 31], Operations: [] Exploring Operation: 32-30=2, Resulting Numbers: [4, 31, 2] Generated Node #0,0: 39:[4, 31, 2] Operation: 32-30=2 Exploring Operation: 31-30=1, Resulting Numbers: [32, 4, 1] Generated Node #0,1: 39:[32, 4, 1] Operation: 31-30=1 Start Sub Search at level 1: Moving to Node #0,0 Current State: 39:[4, 31, 2], Operations: ['32-30=2'] Exploring Operation: 31+2=33, Resulting Numbers: [4, 33] Generated Node #0,0,0: 39:[4, 33] Operation: 31+2=33 Exploring Operation: 4+31=35, Resulting Numbers: [2, 35] Generated Node #0,0,1: 39:[2, 35] Operation: 4+31=35 Moving to Node #0,0,1 Current State: 39:[2, 35], Operations: ['32-30=2', '4+31=35'] Exploring Operation: 35-2=33, Resulting Numbers: [33] 33,39 unequal: No Solution Exploring Operation: 2+35=37, Resulting Numbers: [37] 37,39 unequal: No Solution Moving to Node #0,0,0 Current State: 39:[4, 33], Operations: ['32-30=2', '31+2=33'] Exploring Operation: 33-4=29, Resulting Numbers: [29] 29,39 unequal: No Solution Exploring Operation: 4+33=37, Resulting Numbers: [37] 37,39 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 Current State: 39:[32, 4, 1], Operations: ['31-30=1'] Exploring Operation: 32+4=36, Resulting Numbers: [1, 36] Generated Node #0,1,0: 39:[1, 36] Operation: 32+4=36 Exploring Operation: 32/4=8, Resulting Numbers: [1, 8] Generated Node #0,1,1: 39:[1, 8] Operation: 32/4=8 Moving to Node #0,1,0 Current State: 39:[1, 36], Operations: ['31-30=1', '32+4=36'] Exploring Operation: 1*36=36, Resulting Numbers: [36] 36,39 unequal: No Solution Exploring Operation: 1+36=37, Resulting Numbers: [37] 37,39 unequal: No Solution Moving to Node #0,1,1 Current State: 39:[1, 8], Operations: ['31-30=1', '32/4=8'] Exploring Operation: 8-1=7, Resulting Numbers: [7] 7,39 unequal: No Solution Exploring Operation: 1+8=9, Resulting Numbers: [9] 9,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 3, 43, 21, 2 ]
75
[ "3*43=129", "21+129=150", "150/2=75" ]
Current State: 75:[3, 43, 21, 2], Operations: [] Exploring Operation: 3*43=129, Resulting Numbers: [21, 2, 129] Generated Node #2: [21, 2, 129] from Operation: 3*43=129 Current State: 75:[21, 2, 129], Operations: ['3*43=129'] Exploring Operation: 21+129=150, Resulting Numbers: [2, 150] Generated Node #3: [2, 150] from Operation: 21+129=150 Current State: 75:[2, 150], Operations: ['3*43=129', '21+129=150'] Exploring Operation: 150/2=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
4
Current State: 75:[3, 43, 21, 2], Operations: [] Exploring Operation: 43-21=22, Resulting Numbers: [3, 2, 22] Generated Node #0,0: 75:[3, 2, 22] Operation: 43-21=22 Exploring Operation: 43*2=86, Resulting Numbers: [3, 21, 86] Generated Node #0,1: 75:[3, 21, 86] Operation: 43*2=86 Exploring Operation: 43+21=64, Resulting Numbers: [3, 2, 64] Generated Node #0,2: 75:[3, 2, 64] Operation: 43+21=64 Exploring Operation: 43-3=40, Resulting Numbers: [21, 2, 40] Generated Node #0,3: 75:[21, 2, 40] Operation: 43-3=40 Moving to Node #0,0 Current State: 75:[3, 2, 22], Operations: ['43-21=22'] Exploring Operation: 3+22=25, Resulting Numbers: [2, 25] Generated Node #0,0,0: 75:[2, 25] Operation: 3+22=25 Exploring Operation: 3+2=5, Resulting Numbers: [22, 5] Generated Node #0,0,1: 75:[22, 5] Operation: 3+2=5 Exploring Operation: 2+22=24, Resulting Numbers: [3, 24] Generated Node #0,0,2: 75:[3, 24] Operation: 2+22=24 Exploring Operation: 3*2=6, Resulting Numbers: [22, 6] Generated Node #0,0,3: 75:[22, 6] Operation: 3*2=6 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 75:[2, 25], Operations: ['43-21=22', '3+22=25'] Exploring Operation: 25-2=23, Resulting Numbers: [23] 23,75 unequal: No Solution Exploring Operation: 2+25=27, Resulting Numbers: [27] 27,75 unequal: No Solution Exploring Operation: 2*25=50, Resulting Numbers: [50] 50,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 75:[3, 24], Operations: ['43-21=22', '2+22=24'] Exploring Operation: 24-3=21, Resulting Numbers: [21] 21,75 unequal: No Solution Exploring Operation: 3*24=72, Resulting Numbers: [72] 72,75 unequal: No Solution Exploring Operation: 24/3=8, Resulting Numbers: [8] 8,75 unequal: No Solution Exploring Operation: 3+24=27, Resulting Numbers: [27] 27,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 75:[22, 5], Operations: ['43-21=22', '3+2=5'] Exploring Operation: 22-5=17, Resulting Numbers: [17] 17,75 unequal: No Solution Exploring Operation: 22*5=110, Resulting Numbers: [110] 110,75 unequal: No Solution Exploring Operation: 22+5=27, Resulting Numbers: [27] 27,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 75:[22, 6], Operations: ['43-21=22', '3*2=6'] Exploring Operation: 22+6=28, Resulting Numbers: [28] 28,75 unequal: No Solution Exploring Operation: 22*6=132, Resulting Numbers: [132] 132,75 unequal: No Solution Exploring Operation: 22-6=16, Resulting Numbers: [16] 16,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 75:[3, 2, 64], Operations: ['43+21=64'] Exploring Operation: 3+2=5, Resulting Numbers: [64, 5] Generated Node #0,2,0: 75:[64, 5] Operation: 3+2=5 Exploring Operation: 2+64=66, Resulting Numbers: [3, 66] Generated Node #0,2,1: 75:[3, 66] Operation: 2+64=66 Exploring Operation: 3+64=67, Resulting Numbers: [2, 67] Generated Node #0,2,2: 75:[2, 67] Operation: 3+64=67 Exploring Operation: 64/2=32, Resulting Numbers: [3, 32] Generated Node #0,2,3: 75:[3, 32] Operation: 64/2=32 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 75:[3, 32], Operations: ['43+21=64', '64/2=32'] Exploring Operation: 3+32=35, Resulting Numbers: [35] 35,75 unequal: No Solution Exploring Operation: 32-3=29, Resulting Numbers: [29] 29,75 unequal: No Solution Exploring Operation: 3*32=96, Resulting Numbers: [96] 96,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 75:[3, 66], Operations: ['43+21=64', '2+64=66'] Exploring Operation: 3+66=69, Resulting Numbers: [69] 69,75 unequal: No Solution Exploring Operation: 66-3=63, Resulting Numbers: [63] 63,75 unequal: No Solution Exploring Operation: 3*66=198, Resulting Numbers: [198] 198,75 unequal: No Solution Exploring Operation: 66/3=22, Resulting Numbers: [22] 22,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 75:[2, 67], Operations: ['43+21=64', '3+64=67'] Exploring Operation: 2*67=134, Resulting Numbers: [134] 134,75 unequal: No Solution Exploring Operation: 67-2=65, Resulting Numbers: [65] 65,75 unequal: No Solution Exploring Operation: 2+67=69, Resulting Numbers: [69] 69,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 75:[64, 5], Operations: ['43+21=64', '3+2=5'] Exploring Operation: 64-5=59, Resulting Numbers: [59] 59,75 unequal: No Solution Exploring Operation: 64+5=69, Resulting Numbers: [69] 69,75 unequal: No Solution Exploring Operation: 64*5=320, Resulting Numbers: [320] 320,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 75:[3, 21, 86], Operations: ['43*2=86'] Exploring Operation: 21/3=7, Resulting Numbers: [86, 7] Generated Node #0,1,0: 75:[86, 7] Operation: 21/3=7 Exploring Operation: 86-3=83, Resulting Numbers: [21, 83] Generated Node #0,1,1: 75:[21, 83] Operation: 86-3=83 Exploring Operation: 86-21=65, Resulting Numbers: [3, 65] Generated Node #0,1,2: 75:[3, 65] Operation: 86-21=65 Exploring Operation: 3+21=24, Resulting Numbers: [86, 24] Generated Node #0,1,3: 75:[86, 24] Operation: 3+21=24 Moving to Node #0,3 Current State: 75:[21, 2, 40], Operations: ['43-3=40'] Exploring Operation: 2*40=80, Resulting Numbers: [21, 80] Generated Node #0,3,0: 75:[21, 80] Operation: 2*40=80 Exploring Operation: 40/2=20, Resulting Numbers: [21, 20] Generated Node #0,3,1: 75:[21, 20] Operation: 40/2=20 Exploring Operation: 21+40=61, Resulting Numbers: [2, 61] Generated Node #0,3,2: 75:[2, 61] Operation: 21+40=61 Exploring Operation: 40-21=19, Resulting Numbers: [2, 19] Generated Node #0,3,3: 75:[2, 19] Operation: 40-21=19 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 75:[2, 19], Operations: ['43-3=40', '40-21=19'] Exploring Operation: 2+19=21, Resulting Numbers: [21] 21,75 unequal: No Solution Exploring Operation: 2*19=38, Resulting Numbers: [38] 38,75 unequal: No Solution Exploring Operation: 19-2=17, Resulting Numbers: [17] 17,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 75:[21, 80], Operations: ['43-3=40', '2*40=80'] Exploring Operation: 80-21=59, Resulting Numbers: [59] 59,75 unequal: No Solution Exploring Operation: 21+80=101, Resulting Numbers: [101] 101,75 unequal: No Solution Exploring Operation: 21*80=1680, Resulting Numbers: [1680] 1680,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 75:[21, 20], Operations: ['43-3=40', '40/2=20'] Exploring Operation: 21-20=1, Resulting Numbers: [1] 1,75 unequal: No Solution Exploring Operation: 21+20=41, Resulting Numbers: [41] 41,75 unequal: No Solution Exploring Operation: 21*20=420, Resulting Numbers: [420] 420,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 75:[2, 61], Operations: ['43-3=40', '21+40=61'] Exploring Operation: 61-2=59, Resulting Numbers: [59] 59,75 unequal: No Solution Exploring Operation: 2*61=122, Resulting Numbers: [122] 122,75 unequal: No Solution Exploring Operation: 2+61=63, Resulting Numbers: [63] 63,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1,2 Current State: 75:[3, 65], Operations: ['43*2=86', '86-21=65'] Exploring Operation: 65-3=62, Resulting Numbers: [62] 62,75 unequal: No Solution Exploring Operation: 3+65=68, Resulting Numbers: [68] 68,75 unequal: No Solution Exploring Operation: 3*65=195, Resulting Numbers: [195] 195,75 unequal: No Solution Moving to Node #0,1,3 Current State: 75:[86, 24], Operations: ['43*2=86', '3+21=24'] Exploring Operation: 86+24=110, Resulting Numbers: [110] 110,75 unequal: No Solution Exploring Operation: 86*24=2064, Resulting Numbers: [2064] 2064,75 unequal: No Solution Exploring Operation: 86-24=62, Resulting Numbers: [62] 62,75 unequal: No Solution Moving to Node #0,1,1 Current State: 75:[21, 83], Operations: ['43*2=86', '86-3=83'] Exploring Operation: 83-21=62, Resulting Numbers: [62] 62,75 unequal: No Solution Exploring Operation: 21+83=104, Resulting Numbers: [104] 104,75 unequal: No Solution Exploring Operation: 21*83=1743, Resulting Numbers: [1743] 1743,75 unequal: No Solution Moving to Node #0,1,0 Current State: 75:[86, 7], Operations: ['43*2=86', '21/3=7'] Exploring Operation: 86+7=93, Resulting Numbers: [93] 93,75 unequal: No Solution Exploring Operation: 86*7=602, Resulting Numbers: [602] 602,75 unequal: No Solution Exploring Operation: 86-7=79, Resulting Numbers: [79] 79,75 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 58, 61, 60, 40 ]
42
[ "60-58=2", "61-40=21", "2*21=42" ]
Current State: 42:[58, 61, 60, 40], Operations: [] Exploring Operation: 60-58=2, Resulting Numbers: [61, 40, 2] Generated Node #2: [61, 40, 2] from Operation: 60-58=2 Current State: 42:[61, 40, 2], Operations: ['60-58=2'] Exploring Operation: 61-40=21, Resulting Numbers: [2, 21] Generated Node #3: [2, 21] from Operation: 61-40=21 Current State: 42:[2, 21], Operations: ['60-58=2', '61-40=21'] Exploring Operation: 2*21=42, Resulting Numbers: [42] 42,42 equal: Goal Reached
4
Current State: 42:[58, 61, 60, 40], Operations: [] Exploring Operation: 61-60=1, Resulting Numbers: [58, 40, 1] Generated Node #0,0: 42:[58, 40, 1] Operation: 61-60=1 Exploring Operation: 60-40=20, Resulting Numbers: [58, 61, 20] Generated Node #0,1: 42:[58, 61, 20] Operation: 60-40=20 Exploring Operation: 61-40=21, Resulting Numbers: [58, 60, 21] Generated Node #0,2: 42:[58, 60, 21] Operation: 61-40=21 Exploring Operation: 60-58=2, Resulting Numbers: [61, 40, 2] Generated Node #0,3: 42:[61, 40, 2] Operation: 60-58=2 Exploring Operation: 61-58=3, Resulting Numbers: [60, 40, 3] Generated Node #0,4: 42:[60, 40, 3] Operation: 61-58=3 Moving to Node #0,0 Current State: 42:[58, 40, 1], Operations: ['61-60=1'] Exploring Operation: 58/1=58, Resulting Numbers: [40, 58] Generated Node #0,0,0: 42:[40, 58] Operation: 58/1=58 Exploring Operation: 58-1=57, Resulting Numbers: [40, 57] Generated Node #0,0,1: 42:[40, 57] Operation: 58-1=57 Exploring Operation: 58-40=18, Resulting Numbers: [1, 18] Generated Node #0,0,2: 42:[1, 18] Operation: 58-40=18 Exploring Operation: 58*1=58, Resulting Numbers: [40, 58] Generated Node #0,0,3: 42:[40, 58] Operation: 58*1=58 Exploring Operation: 40+1=41, Resulting Numbers: [58, 41] Generated Node #0,0,4: 42:[58, 41] Operation: 40+1=41 Moving to Node #0,4 Current State: 42:[60, 40, 3], Operations: ['61-58=3'] Exploring Operation: 60-3=57, Resulting Numbers: [40, 57] Generated Node #0,4,0: 42:[40, 57] Operation: 60-3=57 Exploring Operation: 60+3=63, Resulting Numbers: [40, 63] Generated Node #0,4,1: 42:[40, 63] Operation: 60+3=63 Exploring Operation: 40+3=43, Resulting Numbers: [60, 43] Generated Node #0,4,2: 42:[60, 43] Operation: 40+3=43 Exploring Operation: 60/3=20, Resulting Numbers: [40, 20] Generated Node #0,4,3: 42:[40, 20] Operation: 60/3=20 Exploring Operation: 60-40=20, Resulting Numbers: [3, 20] Generated Node #0,4,4: 42:[3, 20] Operation: 60-40=20 Moving to Node #0,3 Current State: 42:[61, 40, 2], Operations: ['60-58=2'] Exploring Operation: 40/2=20, Resulting Numbers: [61, 20] Generated Node #0,3,0: 42:[61, 20] Operation: 40/2=20 Exploring Operation: 61-2=59, Resulting Numbers: [40, 59] Generated Node #0,3,1: 42:[40, 59] Operation: 61-2=59 Exploring Operation: 61+2=63, Resulting Numbers: [40, 63] Generated Node #0,3,2: 42:[40, 63] Operation: 61+2=63 Exploring Operation: 61-40=21, Resulting Numbers: [2, 21] Generated Node #0,3,3: 42:[2, 21] Operation: 61-40=21 Exploring Operation: 40+2=42, Resulting Numbers: [61, 42] Generated Node #0,3,4: 42:[61, 42] Operation: 40+2=42 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 42:[2, 21], Operations: ['60-58=2', '61-40=21'] Exploring Operation: 21-2=19, Resulting Numbers: [19] 19,42 unequal: No Solution Exploring Operation: 2+21=23, Resulting Numbers: [23] 23,42 unequal: No Solution Exploring Operation: 2*21=42, Resulting Numbers: [42] 42,42 equal: Goal Reached Moving to Node #0 Current State: 42:[58, 61, 60, 40], Operations: [] Exploring Operation: 60-58=2, Resulting Numbers: [61, 40, 2] Generated Node #0,3: 42:[61, 40, 2] Operation: 60-58=2 Moving to Node #0,3 Current State: 42:[61, 40, 2], Operations: ['60-58=2'] Exploring Operation: 61-40=21, Resulting Numbers: [2, 21] Generated Node #0,3,3: 42:[2, 21] Operation: 61-40=21 Moving to Node #0,3,3 Current State: 42:[2, 21], Operations: ['60-58=2', '61-40=21'] Exploring Operation: 2*21=42, Resulting Numbers: [42] 42,42 equal: Goal Reached Exit Sub Search at level 1
0.976563
hs_5
mult_heuristic
[ 42, 94, 59, 90 ]
83
[ "94-42=52", "90-59=31", "52+31=83" ]
Current State: 83:[42, 94, 59, 90], Operations: [] Exploring Operation: 94-42=52, Resulting Numbers: [59, 90, 52] Generated Node #2: [59, 90, 52] from Operation: 94-42=52 Current State: 83:[59, 90, 52], Operations: ['94-42=52'] Exploring Operation: 90-59=31, Resulting Numbers: [52, 31] Generated Node #3: [52, 31] from Operation: 90-59=31 Current State: 83:[52, 31], Operations: ['94-42=52', '90-59=31'] Exploring Operation: 52+31=83, Resulting Numbers: [83] 83,83 equal: Goal Reached
4
Current State: 83:[42, 94, 59, 90], Operations: [] Exploring Operation: 94-42=52, Resulting Numbers: [59, 90, 52] Generated Node #0,0: 83:[59, 90, 52] Operation: 94-42=52 Exploring Operation: 42+59=101, Resulting Numbers: [94, 90, 101] Generated Node #0,1: 83:[94, 90, 101] Operation: 42+59=101 Moving to Node #0,1 Current State: 83:[94, 90, 101], Operations: ['42+59=101'] Exploring Operation: 101-90=11, Resulting Numbers: [94, 11] Generated Node #0,1,0: 83:[94, 11] Operation: 101-90=11 Exploring Operation: 101-94=7, Resulting Numbers: [90, 7] Generated Node #0,1,1: 83:[90, 7] Operation: 101-94=7 Moving to Node #0,0 Current State: 83:[59, 90, 52], Operations: ['94-42=52'] Exploring Operation: 59+52=111, Resulting Numbers: [90, 111] Generated Node #0,0,0: 83:[90, 111] Operation: 59+52=111 Exploring Operation: 90-52=38, Resulting Numbers: [59, 38] Generated Node #0,0,1: 83:[59, 38] Operation: 90-52=38 Moving to Node #0,0,0 Current State: 83:[90, 111], Operations: ['94-42=52', '59+52=111'] Exploring Operation: 111-90=21, Resulting Numbers: [21] 21,83 unequal: No Solution Exploring Operation: 90+111=201, Resulting Numbers: [201] 201,83 unequal: No Solution Moving to Node #0,0,1 Current State: 83:[59, 38], Operations: ['94-42=52', '90-52=38'] Exploring Operation: 59-38=21, Resulting Numbers: [21] 21,83 unequal: No Solution Exploring Operation: 59+38=97, Resulting Numbers: [97] 97,83 unequal: No Solution Moving to Node #0,1,1 Current State: 83:[90, 7], Operations: ['42+59=101', '101-94=7'] Exploring Operation: 90-7=83, Resulting Numbers: [83] 83,83 equal: Goal Reached Moving to Node #0 Current State: 83:[42, 94, 59, 90], Operations: [] Exploring Operation: 42+59=101, Resulting Numbers: [94, 90, 101] Generated Node #0,1: 83:[94, 90, 101] Operation: 42+59=101 Moving to Node #0,1 Current State: 83:[94, 90, 101], Operations: ['42+59=101'] Exploring Operation: 101-94=7, Resulting Numbers: [90, 7] Generated Node #0,1,1: 83:[90, 7] Operation: 101-94=7 Moving to Node #0,1,1 Current State: 83:[90, 7], Operations: ['42+59=101', '101-94=7'] Exploring Operation: 90-7=83, Resulting Numbers: [83] 83,83 equal: Goal Reached
0.986979
hs_2
sum_heuristic
[ 20, 38, 51, 32 ]
37
[ "38-20=18", "51-32=19", "18+19=37" ]
Current State: 37:[20, 38, 51, 32], Operations: [] Exploring Operation: 38-20=18, Resulting Numbers: [51, 32, 18] Generated Node #2: [51, 32, 18] from Operation: 38-20=18 Current State: 37:[51, 32, 18], Operations: ['38-20=18'] Exploring Operation: 51-32=19, Resulting Numbers: [18, 19] Generated Node #3: [18, 19] from Operation: 51-32=19 Current State: 37:[18, 19], Operations: ['38-20=18', '51-32=19'] Exploring Operation: 18+19=37, Resulting Numbers: [37] 37,37 equal: Goal Reached
4
Current State: 37:[20, 38, 51, 32], Operations: [] Exploring Operation: 51-20=31, Resulting Numbers: [38, 32, 31] Generated Node #0,0: 37:[38, 32, 31] Operation: 51-20=31 Moving to Node #0,0 Current State: 37:[38, 32, 31], Operations: ['51-20=31'] Exploring Operation: 32+31=63, Resulting Numbers: [38, 63] Generated Node #0,0,0: 37:[38, 63] Operation: 32+31=63 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 37:[38, 63], Operations: ['51-20=31', '32+31=63'] Exploring Operation: 63-38=25, Resulting Numbers: [25] 25,37 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
[ 90, 2, 92, 45 ]
90
[ "92/2=46", "46-45=1", "90*1=90" ]
Current State: 90:[90, 2, 92, 45], Operations: [] Exploring Operation: 92/2=46, Resulting Numbers: [90, 45, 46] Generated Node #2: [90, 45, 46] from Operation: 92/2=46 Current State: 90:[90, 45, 46], Operations: ['92/2=46'] Exploring Operation: 46-45=1, Resulting Numbers: [90, 1] Generated Node #3: [90, 1] from Operation: 46-45=1 Current State: 90:[90, 1], Operations: ['92/2=46', '46-45=1'] Exploring Operation: 90*1=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
4
Current State: 90:[90, 2, 92, 45], Operations: [] Exploring Operation: 92-90=2, Resulting Numbers: [2, 45, 2] Generated Node #0,0: 90:[2, 45, 2] Operation: 92-90=2 Exploring Operation: 92-2=90, Resulting Numbers: [90, 45, 90] Generated Node #0,1: 90:[90, 45, 90] Operation: 92-2=90 Moving to Node #0,0 Current State: 90:[2, 45, 2], Operations: ['92-90=2'] Exploring Operation: 2*45=90, Resulting Numbers: [2, 90] Generated Node #0,0,0: 90:[2, 90] Operation: 2*45=90 Exploring Operation: 45*2=90, Resulting Numbers: [2, 90] Generated Node #0,0,1: 90:[2, 90] Operation: 45*2=90 Moving to Node #0,1 Current State: 90:[90, 45, 90], Operations: ['92-2=90'] Exploring Operation: 90/45=2, Resulting Numbers: [90, 2] Generated Node #0,1,0: 90:[90, 2] Operation: 90/45=2 Exploring Operation: 90-45=45, Resulting Numbers: [90, 45] Generated Node #0,1,1: 90:[90, 45] Operation: 90-45=45 Moving to Node #0,0,0 Current State: 90:[2, 90], Operations: ['92-90=2', '2*45=90'] Exploring Operation: 2+90=92, Resulting Numbers: [92] 92,90 unequal: No Solution Exploring Operation: 90/2=45, Resulting Numbers: [45] 45,90 unequal: No Solution Moving to Node #0,1,0 Current State: 90:[90, 2], Operations: ['92-2=90', '90/45=2'] Exploring Operation: 90+2=92, Resulting Numbers: [92] 92,90 unequal: No Solution Exploring Operation: 90/2=45, Resulting Numbers: [45] 45,90 unequal: No Solution Moving to Node #0,0,1 Current State: 90:[2, 90], Operations: ['92-90=2', '45*2=90'] Exploring Operation: 90/2=45, Resulting Numbers: [45] 45,90 unequal: No Solution Exploring Operation: 2+90=92, Resulting Numbers: [92] 92,90 unequal: No Solution Moving to Node #0,1,1 Current State: 90:[90, 45], Operations: ['92-2=90', '90-45=45'] Exploring Operation: 90/45=2, Resulting Numbers: [2] 2,90 unequal: No Solution Exploring Operation: 90-45=45, Resulting Numbers: [45] 45,90 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 55, 20, 54, 4 ]
85
[ "55-20=35", "54-4=50", "35+50=85" ]
Current State: 85:[55, 20, 54, 4], Operations: [] Exploring Operation: 55-20=35, Resulting Numbers: [54, 4, 35] Generated Node #2: [54, 4, 35] from Operation: 55-20=35 Current State: 85:[54, 4, 35], Operations: ['55-20=35'] Exploring Operation: 54-4=50, Resulting Numbers: [35, 50] Generated Node #3: [35, 50] from Operation: 54-4=50 Current State: 85:[35, 50], Operations: ['55-20=35', '54-4=50'] Exploring Operation: 35+50=85, Resulting Numbers: [85] 85,85 equal: Goal Reached
4
Current State: 85:[55, 20, 54, 4], Operations: [] Exploring Operation: 55+54=109, Resulting Numbers: [20, 4, 109] Generated Node #0,0: 85:[20, 4, 109] Operation: 55+54=109 Exploring Operation: 55+20=75, Resulting Numbers: [54, 4, 75] Generated Node #0,1: 85:[54, 4, 75] Operation: 55+20=75 Exploring Operation: 55-54=1, Resulting Numbers: [20, 4, 1] Generated Node #0,2: 85:[20, 4, 1] Operation: 55-54=1 Moving to Node #0,2 Current State: 85:[20, 4, 1], Operations: ['55-54=1'] Exploring Operation: 4+1=5, Resulting Numbers: [20, 5] Generated Node #0,2,0: 85:[20, 5] Operation: 4+1=5 Exploring Operation: 20-1=19, Resulting Numbers: [4, 19] Generated Node #0,2,1: 85:[4, 19] Operation: 20-1=19 Exploring Operation: 20/4=5, Resulting Numbers: [1, 5] Generated Node #0,2,2: 85:[1, 5] Operation: 20/4=5 Moving to Node #0,0 Current State: 85:[20, 4, 109], Operations: ['55+54=109'] Exploring Operation: 109-20=89, Resulting Numbers: [4, 89] Generated Node #0,0,0: 85:[4, 89] Operation: 109-20=89 Exploring Operation: 20/4=5, Resulting Numbers: [109, 5] Generated Node #0,0,1: 85:[109, 5] Operation: 20/4=5 Exploring Operation: 109-4=105, Resulting Numbers: [20, 105] Generated Node #0,0,2: 85:[20, 105] Operation: 109-4=105 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 85:[4, 89], Operations: ['55+54=109', '109-20=89'] Exploring Operation: 4+89=93, Resulting Numbers: [93] 93,85 unequal: No Solution Exploring Operation: 4*89=356, Resulting Numbers: [356] 356,85 unequal: No Solution Exploring Operation: 89-4=85, Resulting Numbers: [85] 85,85 equal: Goal Reached Moving to Node #0 Current State: 85:[55, 20, 54, 4], Operations: [] Exploring Operation: 55+54=109, Resulting Numbers: [20, 4, 109] Generated Node #0,0: 85:[20, 4, 109] Operation: 55+54=109 Moving to Node #0,0 Current State: 85:[20, 4, 109], Operations: ['55+54=109'] Exploring Operation: 109-20=89, Resulting Numbers: [4, 89] Generated Node #0,0,0: 85:[4, 89] Operation: 109-20=89 Moving to Node #0,0,0 Current State: 85:[4, 89], Operations: ['55+54=109', '109-20=89'] Exploring Operation: 89-4=85, Resulting Numbers: [85] 85,85 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_3
mult_heuristic
[ 82, 13, 36, 2 ]
65
[ "82/2=41", "41-36=5", "13*5=65" ]
Current State: 65:[82, 13, 36, 2], Operations: [] Exploring Operation: 82/2=41, Resulting Numbers: [13, 36, 41] Generated Node #2: [13, 36, 41] from Operation: 82/2=41 Current State: 65:[13, 36, 41], Operations: ['82/2=41'] Exploring Operation: 41-36=5, Resulting Numbers: [13, 5] Generated Node #3: [13, 5] from Operation: 41-36=5 Current State: 65:[13, 5], Operations: ['82/2=41', '41-36=5'] Exploring Operation: 13*5=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
4
Current State: 65:[82, 13, 36, 2], Operations: [] Exploring Operation: 82-36=46, Resulting Numbers: [13, 2, 46] Generated Node #0,0: 65:[13, 2, 46] Operation: 82-36=46 Exploring Operation: 36/2=18, Resulting Numbers: [82, 13, 18] Generated Node #0,1: 65:[82, 13, 18] Operation: 36/2=18 Exploring Operation: 36*2=72, Resulting Numbers: [82, 13, 72] Generated Node #0,2: 65:[82, 13, 72] Operation: 36*2=72 Start Sub Search at level 1: Moving to Node #0,0 Current State: 65:[13, 2, 46], Operations: ['82-36=46'] Exploring Operation: 46/2=23, Resulting Numbers: [13, 23] Generated Node #0,0,0: 65:[13, 23] Operation: 46/2=23 Exploring Operation: 2+46=48, Resulting Numbers: [13, 48] Generated Node #0,0,1: 65:[13, 48] Operation: 2+46=48 Exploring Operation: 13+46=59, Resulting Numbers: [2, 59] Generated Node #0,0,2: 65:[2, 59] Operation: 13+46=59 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 65:[2, 59], Operations: ['82-36=46', '13+46=59'] Exploring Operation: 2*59=118, Resulting Numbers: [118] 118,65 unequal: No Solution Exploring Operation: 59-2=57, Resulting Numbers: [57] 57,65 unequal: No Solution Exploring Operation: 2+59=61, Resulting Numbers: [61] 61,65 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 65:[13, 23], Operations: ['82-36=46', '46/2=23'] Exploring Operation: 23-13=10, Resulting Numbers: [10] 10,65 unequal: No Solution Exploring Operation: 13+23=36, Resulting Numbers: [36] 36,65 unequal: No Solution Exploring Operation: 13*23=299, Resulting Numbers: [299] 299,65 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 65:[13, 48], Operations: ['82-36=46', '2+46=48'] Exploring Operation: 13*48=624, Resulting Numbers: [624] 624,65 unequal: No Solution Exploring Operation: 13+48=61, Resulting Numbers: [61] 61,65 unequal: No Solution Exploring Operation: 48-13=35, Resulting Numbers: [35] 35,65 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 65:[82, 13, 18], Operations: ['36/2=18'] Exploring Operation: 82-18=64, Resulting Numbers: [13, 64] Generated Node #0,1,0: 65:[13, 64] Operation: 82-18=64 Exploring Operation: 18-13=5, Resulting Numbers: [82, 5] Generated Node #0,1,1: 65:[82, 5] Operation: 18-13=5 Exploring Operation: 82-13=69, Resulting Numbers: [18, 69] Generated Node #0,1,2: 65:[18, 69] Operation: 82-13=69 Moving to Node #0,1,0 Current State: 65:[13, 64], Operations: ['36/2=18', '82-18=64'] Exploring Operation: 13*64=832, Resulting Numbers: [832] 832,65 unequal: No Solution Exploring Operation: 64-13=51, Resulting Numbers: [51] 51,65 unequal: No Solution Exploring Operation: 13+64=77, Resulting Numbers: [77] 77,65 unequal: No Solution Moving to Node #0,1,2 Current State: 65:[18, 69], Operations: ['36/2=18', '82-13=69'] Exploring Operation: 18+69=87, Resulting Numbers: [87] 87,65 unequal: No Solution Exploring Operation: 69-18=51, Resulting Numbers: [51] 51,65 unequal: No Solution Exploring Operation: 18*69=1242, Resulting Numbers: [1242] 1242,65 unequal: No Solution Moving to Node #0,1,1 Current State: 65:[82, 5], Operations: ['36/2=18', '18-13=5'] Exploring Operation: 82*5=410, Resulting Numbers: [410] 410,65 unequal: No Solution Exploring Operation: 82-5=77, Resulting Numbers: [77] 77,65 unequal: No Solution Exploring Operation: 82+5=87, Resulting Numbers: [87] 87,65 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 Current State: 65:[82, 13, 72], Operations: ['36*2=72'] Exploring Operation: 72-13=59, Resulting Numbers: [82, 59] Generated Node #0,2,0: 65:[82, 59] Operation: 72-13=59 Exploring Operation: 82-13=69, Resulting Numbers: [72, 69] Generated Node #0,2,1: 65:[72, 69] Operation: 82-13=69 Exploring Operation: 82-72=10, Resulting Numbers: [13, 10] Generated Node #0,2,2: 65:[13, 10] Operation: 82-72=10 Moving to Node #0,2,2 Current State: 65:[13, 10], Operations: ['36*2=72', '82-72=10'] Exploring Operation: 13*10=130, Resulting Numbers: [130] 130,65 unequal: No Solution Exploring Operation: 13-10=3, Resulting Numbers: [3] 3,65 unequal: No Solution Exploring Operation: 13+10=23, Resulting Numbers: [23] 23,65 unequal: No Solution Moving to Node #0,2,1 Current State: 65:[72, 69], Operations: ['36*2=72', '82-13=69'] Exploring Operation: 72*69=4968, Resulting Numbers: [4968] 4968,65 unequal: No Solution Exploring Operation: 72+69=141, Resulting Numbers: [141] 141,65 unequal: No Solution Exploring Operation: 72-69=3, Resulting Numbers: [3] 3,65 unequal: No Solution Moving to Node #0,2,0 Current State: 65:[82, 59], Operations: ['36*2=72', '72-13=59'] Exploring Operation: 82-59=23, Resulting Numbers: [23] 23,65 unequal: No Solution Exploring Operation: 82*59=4838, Resulting Numbers: [4838] 4838,65 unequal: No Solution Exploring Operation: 82+59=141, Resulting Numbers: [141] 141,65 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
[ 33, 56, 32, 27 ]
72
[ "56+32=88", "27*88=2376", "2376/33=72" ]
Current State: 72:[33, 56, 32, 27], Operations: [] Exploring Operation: 56+32=88, Resulting Numbers: [33, 27, 88] Generated Node #2: [33, 27, 88] from Operation: 56+32=88 Current State: 72:[33, 27, 88], Operations: ['56+32=88'] Exploring Operation: 27*88=2376, Resulting Numbers: [33, 2376] Generated Node #3: [33, 2376] from Operation: 27*88=2376 Current State: 72:[33, 2376], Operations: ['56+32=88', '27*88=2376'] Exploring Operation: 2376/33=72, Resulting Numbers: [72] 72,72 equal: Goal Reached
4
Current State: 72:[33, 56, 32, 27], Operations: [] Exploring Operation: 56+27=83, Resulting Numbers: [33, 32, 83] Generated Node #0,0: 72:[33, 32, 83] Operation: 56+27=83 Exploring Operation: 56-27=29, Resulting Numbers: [33, 32, 29] Generated Node #0,1: 72:[33, 32, 29] Operation: 56-27=29 Exploring Operation: 56-33=23, Resulting Numbers: [32, 27, 23] Generated Node #0,2: 72:[32, 27, 23] Operation: 56-33=23 Exploring Operation: 56-32=24, Resulting Numbers: [33, 27, 24] Generated Node #0,3: 72:[33, 27, 24] Operation: 56-32=24 Exploring Operation: 33-32=1, Resulting Numbers: [56, 27, 1] Generated Node #0,4: 72:[56, 27, 1] Operation: 33-32=1 Moving to Node #0,3 Current State: 72:[33, 27, 24], Operations: ['56-32=24'] Exploring Operation: 27-24=3, Resulting Numbers: [33, 3] Generated Node #0,3,0: 72:[33, 3] Operation: 27-24=3 Exploring Operation: 33+27=60, Resulting Numbers: [24, 60] Generated Node #0,3,1: 72:[24, 60] Operation: 33+27=60 Exploring Operation: 33-24=9, Resulting Numbers: [27, 9] Generated Node #0,3,2: 72:[27, 9] Operation: 33-24=9 Exploring Operation: 33+24=57, Resulting Numbers: [27, 57] Generated Node #0,3,3: 72:[27, 57] Operation: 33+24=57 Exploring Operation: 33-27=6, Resulting Numbers: [24, 6] Generated Node #0,3,4: 72:[24, 6] Operation: 33-27=6 Moving to Node #0,2 Current State: 72:[32, 27, 23], Operations: ['56-33=23'] Exploring Operation: 32-27=5, Resulting Numbers: [23, 5] Generated Node #0,2,0: 72:[23, 5] Operation: 32-27=5 Exploring Operation: 27+23=50, Resulting Numbers: [32, 50] Generated Node #0,2,1: 72:[32, 50] Operation: 27+23=50 Exploring Operation: 32+27=59, Resulting Numbers: [23, 59] Generated Node #0,2,2: 72:[23, 59] Operation: 32+27=59 Exploring Operation: 32-23=9, Resulting Numbers: [27, 9] Generated Node #0,2,3: 72:[27, 9] Operation: 32-23=9 Exploring Operation: 27-23=4, Resulting Numbers: [32, 4] Generated Node #0,2,4: 72:[32, 4] Operation: 27-23=4 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 72:[23, 5], Operations: ['56-33=23', '32-27=5'] Exploring Operation: 23*5=115, Resulting Numbers: [115] 115,72 unequal: No Solution Exploring Operation: 23-5=18, Resulting Numbers: [18] 18,72 unequal: No Solution Exploring Operation: 23+5=28, Resulting Numbers: [28] 28,72 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 #0,2,3 Current State: 72:[27, 9], Operations: ['56-33=23', '32-23=9'] Exploring Operation: 27*9=243, Resulting Numbers: [243] 243,72 unequal: No Solution Exploring Operation: 27+9=36, Resulting Numbers: [36] 36,72 unequal: No Solution Exploring Operation: 27-9=18, Resulting Numbers: [18] 18,72 unequal: No Solution Exploring Operation: 27/9=3, Resulting Numbers: [3] 3,72 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 #0,2,4 Current State: 72:[32, 4], Operations: ['56-33=23', '27-23=4'] Exploring Operation: 32-4=28, Resulting Numbers: [28] 28,72 unequal: No Solution Exploring Operation: 32+4=36, Resulting Numbers: [36] 36,72 unequal: No Solution Exploring Operation: 32*4=128, Resulting Numbers: [128] 128,72 unequal: No Solution Exploring Operation: 32/4=8, Resulting Numbers: [8] 8,72 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 #0,2,2 Current State: 72:[23, 59], Operations: ['56-33=23', '32+27=59'] Exploring Operation: 23*59=1357, Resulting Numbers: [1357] 1357,72 unequal: No Solution Exploring Operation: 59-23=36, Resulting Numbers: [36] 36,72 unequal: No Solution Exploring Operation: 23+59=82, Resulting Numbers: [82] 82,72 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 #0,2,1 Current State: 72:[32, 50], Operations: ['56-33=23', '27+23=50'] Exploring Operation: 32+50=82, Resulting Numbers: [82] 82,72 unequal: No Solution Exploring Operation: 50-32=18, Resulting Numbers: [18] 18,72 unequal: No Solution Exploring Operation: 32*50=1600, Resulting Numbers: [1600] 1600,72 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: 72:[33, 32, 29], Operations: ['56-27=29'] Exploring Operation: 33-32=1, Resulting Numbers: [29, 1] Generated Node #0,1,0: 72:[29, 1] Operation: 33-32=1 Exploring Operation: 33+32=65, Resulting Numbers: [29, 65] Generated Node #0,1,1: 72:[29, 65] Operation: 33+32=65 Exploring Operation: 32-29=3, Resulting Numbers: [33, 3] Generated Node #0,1,2: 72:[33, 3] Operation: 32-29=3 Exploring Operation: 33-29=4, Resulting Numbers: [32, 4] Generated Node #0,1,3: 72:[32, 4] Operation: 33-29=4 Exploring Operation: 33+29=62, Resulting Numbers: [32, 62] Generated Node #0,1,4: 72:[32, 62] Operation: 33+29=62 Moving to Node #0,0 Current State: 72:[33, 32, 83], Operations: ['56+27=83'] Exploring Operation: 33-32=1, Resulting Numbers: [83, 1] Generated Node #0,0,0: 72:[83, 1] Operation: 33-32=1 Exploring Operation: 83-32=51, Resulting Numbers: [33, 51] Generated Node #0,0,1: 72:[33, 51] Operation: 83-32=51 Exploring Operation: 33+32=65, Resulting Numbers: [83, 65] Generated Node #0,0,2: 72:[83, 65] Operation: 33+32=65 Exploring Operation: 32+83=115, Resulting Numbers: [33, 115] Generated Node #0,0,3: 72:[33, 115] Operation: 32+83=115 Exploring Operation: 83-33=50, Resulting Numbers: [32, 50] Generated Node #0,0,4: 72:[32, 50] Operation: 83-33=50 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 72:[83, 1], Operations: ['56+27=83', '33-32=1'] Exploring Operation: 83-1=82, Resulting Numbers: [82] 82,72 unequal: No Solution Exploring Operation: 83/1=83, Resulting Numbers: [83] 83,72 unequal: No Solution Exploring Operation: 83+1=84, Resulting Numbers: [84] 84,72 unequal: No Solution Exploring Operation: 83*1=83, Resulting Numbers: [83] 83,72 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:[33, 51], Operations: ['56+27=83', '83-32=51'] Exploring Operation: 51-33=18, Resulting Numbers: [18] 18,72 unequal: No Solution Exploring Operation: 33*51=1683, Resulting Numbers: [1683] 1683,72 unequal: No Solution Exploring Operation: 33+51=84, Resulting Numbers: [84] 84,72 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 #0,0,2 Current State: 72:[83, 65], Operations: ['56+27=83', '33+32=65'] Exploring Operation: 83+65=148, Resulting Numbers: [148] 148,72 unequal: No Solution Exploring Operation: 83-65=18, Resulting Numbers: [18] 18,72 unequal: No Solution Exploring Operation: 83*65=5395, Resulting Numbers: [5395] 5395,72 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 #0,0,4 Current State: 72:[32, 50], Operations: ['56+27=83', '83-33=50'] Exploring Operation: 32+50=82, Resulting Numbers: [82] 82,72 unequal: No Solution Exploring Operation: 50-32=18, Resulting Numbers: [18] 18,72 unequal: No Solution Exploring Operation: 32*50=1600, Resulting Numbers: [1600] 1600,72 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 #0,0,3 Current State: 72:[33, 115], Operations: ['56+27=83', '32+83=115'] Exploring Operation: 33+115=148, Resulting Numbers: [148] 148,72 unequal: No Solution Exploring Operation: 115-33=82, Resulting Numbers: [82] 82,72 unequal: No Solution Exploring Operation: 33*115=3795, Resulting Numbers: [3795] 3795,72 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: 72:[56, 27, 1], Operations: ['33-32=1'] Exploring Operation: 56*1=56, Resulting Numbers: [27, 56] Generated Node #0,4,0: 72:[27, 56] Operation: 56*1=56 Exploring Operation: 56-27=29, Resulting Numbers: [1, 29] Generated Node #0,4,1: 72:[1, 29] Operation: 56-27=29 Exploring Operation: 27-1=26, Resulting Numbers: [56, 26] Generated Node #0,4,2: 72:[56, 26] Operation: 27-1=26 Exploring Operation: 56+27=83, Resulting Numbers: [1, 83] Generated Node #0,4,3: 72:[1, 83] Operation: 56+27=83 Exploring Operation: 56+1=57, Resulting Numbers: [27, 57] Generated Node #0,4,4: 72:[27, 57] Operation: 56+1=57 Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 72:[1, 29], Operations: ['33-32=1', '56-27=29'] Exploring Operation: 1+29=30, Resulting Numbers: [30] 30,72 unequal: No Solution Exploring Operation: 29/1=29, Resulting Numbers: [29] 29,72 unequal: No Solution Exploring Operation: 29-1=28, Resulting Numbers: [28] 28,72 unequal: No Solution Exploring Operation: 1*29=29, Resulting Numbers: [29] 29,72 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 #0,4,3 Current State: 72:[1, 83], Operations: ['33-32=1', '56+27=83'] Exploring Operation: 1*83=83, Resulting Numbers: [83] 83,72 unequal: No Solution Exploring Operation: 83/1=83, Resulting Numbers: [83] 83,72 unequal: No Solution Exploring Operation: 83-1=82, Resulting Numbers: [82] 82,72 unequal: No Solution Exploring Operation: 1+83=84, Resulting Numbers: [84] 84,72 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 #0,4,2 Current State: 72:[56, 26], Operations: ['33-32=1', '27-1=26'] Exploring Operation: 56*26=1456, Resulting Numbers: [1456] 1456,72 unequal: No Solution Exploring Operation: 56-26=30, Resulting Numbers: [30] 30,72 unequal: No Solution Exploring Operation: 56+26=82, Resulting Numbers: [82] 82,72 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 #0,4,4 Current State: 72:[27, 57], Operations: ['33-32=1', '56+1=57'] Exploring Operation: 27*57=1539, Resulting Numbers: [1539] 1539,72 unequal: No Solution Exploring Operation: 27+57=84, Resulting Numbers: [84] 84,72 unequal: No Solution Exploring Operation: 57-27=30, Resulting Numbers: [30] 30,72 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 #0,4,0 Current State: 72:[27, 56], Operations: ['33-32=1', '56*1=56'] Exploring Operation: 27+56=83, Resulting Numbers: [83] 83,72 unequal: No Solution Exploring Operation: 56-27=29, Resulting Numbers: [29] 29,72 unequal: No Solution Exploring Operation: 27*56=1512, Resulting Numbers: [1512] 1512,72 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3,4 Current State: 72:[24, 6], Operations: ['56-32=24', '33-27=6'] Exploring Operation: 24+6=30, Resulting Numbers: [30] 30,72 unequal: No Solution Exploring Operation: 24*6=144, Resulting Numbers: [144] 144,72 unequal: No Solution Exploring Operation: 24-6=18, Resulting Numbers: [18] 18,72 unequal: No Solution Exploring Operation: 24/6=4, Resulting Numbers: [4] 4,72 unequal: No Solution Moving to Node #0,3,2 Current State: 72:[27, 9], Operations: ['56-32=24', '33-24=9'] Exploring Operation: 27-9=18, Resulting Numbers: [18] 18,72 unequal: No Solution Exploring Operation: 27/9=3, Resulting Numbers: [3] 3,72 unequal: No Solution Exploring Operation: 27*9=243, Resulting Numbers: [243] 243,72 unequal: No Solution Exploring Operation: 27+9=36, Resulting Numbers: [36] 36,72 unequal: No Solution Moving to Node #0,1,2 Current State: 72:[33, 3], Operations: ['56-27=29', '32-29=3'] Exploring Operation: 33/3=11, Resulting Numbers: [11] 11,72 unequal: No Solution Exploring Operation: 33+3=36, Resulting Numbers: [36] 36,72 unequal: No Solution Exploring Operation: 33-3=30, Resulting Numbers: [30] 30,72 unequal: No Solution Exploring Operation: 33*3=99, Resulting Numbers: [99] 99,72 unequal: No Solution Moving to Node #0,3,0 Current State: 72:[33, 3], Operations: ['56-32=24', '27-24=3'] Exploring Operation: 33+3=36, Resulting Numbers: [36] 36,72 unequal: No Solution Exploring Operation: 33-3=30, Resulting Numbers: [30] 30,72 unequal: No Solution Exploring Operation: 33*3=99, Resulting Numbers: [99] 99,72 unequal: No Solution Exploring Operation: 33/3=11, Resulting Numbers: [11] 11,72 unequal: No Solution Moving to Node #0,1,3 Current State: 72:[32, 4], Operations: ['56-27=29', '33-29=4'] Exploring Operation: 32/4=8, Resulting Numbers: [8] 8,72 unequal: No Solution Exploring Operation: 32+4=36, Resulting Numbers: [36] 36,72 unequal: No Solution Exploring Operation: 32*4=128, Resulting Numbers: [128] 128,72 unequal: No Solution Exploring Operation: 32-4=28, Resulting Numbers: [28] 28,72 unequal: No Solution Moving to Node #0,1,0 Current State: 72:[29, 1], Operations: ['56-27=29', '33-32=1'] Exploring Operation: 29*1=29, Resulting Numbers: [29] 29,72 unequal: No Solution Exploring Operation: 29/1=29, Resulting Numbers: [29] 29,72 unequal: No Solution Exploring Operation: 29+1=30, Resulting Numbers: [30] 30,72 unequal: No Solution Exploring Operation: 29-1=28, Resulting Numbers: [28] 28,72 unequal: No Solution Moving to Node #0,1,1 Current State: 72:[29, 65], Operations: ['56-27=29', '33+32=65'] Exploring Operation: 29+65=94, Resulting Numbers: [94] 94,72 unequal: No Solution Exploring Operation: 29*65=1885, Resulting Numbers: [1885] 1885,72 unequal: No Solution Exploring Operation: 65-29=36, Resulting Numbers: [36] 36,72 unequal: No Solution Moving to Node #0,3,1 Current State: 72:[24, 60], Operations: ['56-32=24', '33+27=60'] Exploring Operation: 24*60=1440, Resulting Numbers: [1440] 1440,72 unequal: No Solution Exploring Operation: 60-24=36, Resulting Numbers: [36] 36,72 unequal: No Solution Exploring Operation: 24+60=84, Resulting Numbers: [84] 84,72 unequal: No Solution Moving to Node #0,1,4 Current State: 72:[32, 62], Operations: ['56-27=29', '33+29=62'] Exploring Operation: 32*62=1984, Resulting Numbers: [1984] 1984,72 unequal: No Solution Exploring Operation: 32+62=94, Resulting Numbers: [94] 94,72 unequal: No Solution Exploring Operation: 62-32=30, Resulting Numbers: [30] 30,72 unequal: No Solution Moving to Node #0,3,3 Current State: 72:[27, 57], Operations: ['56-32=24', '33+24=57'] Exploring Operation: 27*57=1539, Resulting Numbers: [1539] 1539,72 unequal: No Solution Exploring Operation: 27+57=84, Resulting Numbers: [84] 84,72 unequal: No Solution Exploring Operation: 57-27=30, Resulting Numbers: [30] 30,72 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 31, 35, 4, 55 ]
15
[ "31+35=66", "55-4=51", "66-51=15" ]
Current State: 15:[31, 35, 4, 55], Operations: [] Exploring Operation: 31+35=66, Resulting Numbers: [4, 55, 66] Generated Node #2: [4, 55, 66] from Operation: 31+35=66 Current State: 15:[4, 55, 66], Operations: ['31+35=66'] Exploring Operation: 55-4=51, Resulting Numbers: [66, 51] Generated Node #3: [66, 51] from Operation: 55-4=51 Current State: 15:[66, 51], Operations: ['31+35=66', '55-4=51'] Exploring Operation: 66-51=15, Resulting Numbers: [15] 15,15 equal: Goal Reached
4
Current State: 15:[31, 35, 4, 55], Operations: [] Exploring Operation: 55-31=24, Resulting Numbers: [35, 4, 24] Generated Node #0,0: 15:[35, 4, 24] Operation: 55-31=24 Exploring Operation: 55-35=20, Resulting Numbers: [31, 4, 20] Generated Node #0,1: 15:[31, 4, 20] Operation: 55-35=20 Start Sub Search at level 1: Moving to Node #0,1 Current State: 15:[31, 4, 20], Operations: ['55-35=20'] Exploring Operation: 31-20=11, Resulting Numbers: [4, 11] Generated Node #0,1,0: 15:[4, 11] Operation: 31-20=11 Exploring Operation: 20/4=5, Resulting Numbers: [31, 5] Generated Node #0,1,1: 15:[31, 5] Operation: 20/4=5 Moving to Node #0,1,0 Current State: 15:[4, 11], Operations: ['55-35=20', '31-20=11'] Exploring Operation: 4+11=15, Resulting Numbers: [15] 15,15 equal: Goal Reached Moving to Node #0 Current State: 15:[31, 35, 4, 55], Operations: [] Exploring Operation: 55-35=20, Resulting Numbers: [31, 4, 20] Generated Node #0,1: 15:[31, 4, 20] Operation: 55-35=20 Moving to Node #0,1 Current State: 15:[31, 4, 20], Operations: ['55-35=20'] Exploring Operation: 31-20=11, Resulting Numbers: [4, 11] Generated Node #0,1,0: 15:[4, 11] Operation: 31-20=11 Moving to Node #0,1,0 Current State: 15:[4, 11], Operations: ['55-35=20', '31-20=11'] Exploring Operation: 4+11=15, Resulting Numbers: [15] 15,15 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
mult_heuristic
[ 48, 19, 79, 40 ]
50
[ "79-19=60", "40*60=2400", "2400/48=50" ]
Current State: 50:[48, 19, 79, 40], Operations: [] Exploring Operation: 79-19=60, Resulting Numbers: [48, 40, 60] Generated Node #2: [48, 40, 60] from Operation: 79-19=60 Current State: 50:[48, 40, 60], Operations: ['79-19=60'] Exploring Operation: 40*60=2400, Resulting Numbers: [48, 2400] Generated Node #3: [48, 2400] from Operation: 40*60=2400 Current State: 50:[48, 2400], Operations: ['79-19=60', '40*60=2400'] Exploring Operation: 2400/48=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[48, 19, 79, 40], Operations: [] Exploring Operation: 79-40=39, Resulting Numbers: [48, 19, 39] Generated Node #0,0: 50:[48, 19, 39] Operation: 79-40=39 Moving to Node #0,0 Current State: 50:[48, 19, 39], Operations: ['79-40=39'] Exploring Operation: 48-39=9, Resulting Numbers: [19, 9] Generated Node #0,0,0: 50:[19, 9] Operation: 48-39=9 Moving to Node #0,0,0 Current State: 50:[19, 9], Operations: ['79-40=39', '48-39=9'] Exploring Operation: 19-9=10, Resulting Numbers: [10] 10,50 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 5, 52, 3, 50 ]
14
[ "50/5=10", "52-10=42", "42/3=14" ]
Current State: 14:[5, 52, 3, 50], Operations: [] Exploring Operation: 50/5=10, Resulting Numbers: [52, 3, 10] Generated Node #2: [52, 3, 10] from Operation: 50/5=10 Current State: 14:[52, 3, 10], Operations: ['50/5=10'] Exploring Operation: 52-10=42, Resulting Numbers: [3, 42] Generated Node #3: [3, 42] from Operation: 52-10=42 Current State: 14:[3, 42], Operations: ['50/5=10', '52-10=42'] Exploring Operation: 42/3=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
4
Current State: 14:[5, 52, 3, 50], Operations: [] Exploring Operation: 50/5=10, Resulting Numbers: [52, 3, 10] Generated Node #0,0: 14:[52, 3, 10] Operation: 50/5=10 Exploring Operation: 52-5=47, Resulting Numbers: [3, 50, 47] Generated Node #0,1: 14:[3, 50, 47] Operation: 52-5=47 Exploring Operation: 52-50=2, Resulting Numbers: [5, 3, 2] Generated Node #0,2: 14:[5, 3, 2] Operation: 52-50=2 Start Sub Search at level 1: Moving to Node #0,2 Current State: 14:[5, 3, 2], Operations: ['52-50=2'] Exploring Operation: 5+3=8, Resulting Numbers: [2, 8] Generated Node #0,2,0: 14:[2, 8] Operation: 5+3=8 Exploring Operation: 5-3=2, Resulting Numbers: [2, 2] Generated Node #0,2,1: 14:[2, 2] Operation: 5-3=2 Exploring Operation: 5*3=15, Resulting Numbers: [2, 15] Generated Node #0,2,2: 14:[2, 15] Operation: 5*3=15 Moving to Node #0,2,1 Current State: 14:[2, 2], Operations: ['52-50=2', '5-3=2'] Exploring Operation: 2*2=4, Resulting Numbers: [4] 4,14 unequal: No Solution Exploring Operation: 2/2=1, Resulting Numbers: [1] 1,14 unequal: No Solution Exploring Operation: 2+2=4, Resulting Numbers: [4] 4,14 unequal: No Solution Moving to Node #0,2,0 Current State: 14:[2, 8], Operations: ['52-50=2', '5+3=8'] Exploring Operation: 8-2=6, Resulting Numbers: [6] 6,14 unequal: No Solution Exploring Operation: 2*8=16, Resulting Numbers: [16] 16,14 unequal: No Solution Exploring Operation: 8/2=4, Resulting Numbers: [4] 4,14 unequal: No Solution Moving to Node #0,2,2 Current State: 14:[2, 15], Operations: ['52-50=2', '5*3=15'] Exploring Operation: 15-2=13, Resulting Numbers: [13] 13,14 unequal: No Solution Exploring Operation: 2*15=30, Resulting Numbers: [30] 30,14 unequal: No Solution Exploring Operation: 2+15=17, Resulting Numbers: [17] 17,14 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 14:[52, 3, 10], Operations: ['50/5=10'] Exploring Operation: 52-10=42, Resulting Numbers: [3, 42] Generated Node #0,0,0: 14:[3, 42] Operation: 52-10=42 Exploring Operation: 52-3=49, Resulting Numbers: [10, 49] Generated Node #0,0,1: 14:[10, 49] Operation: 52-3=49 Exploring Operation: 10-3=7, Resulting Numbers: [52, 7] Generated Node #0,0,2: 14:[52, 7] Operation: 10-3=7 Moving to Node #0,0,0 Current State: 14:[3, 42], Operations: ['50/5=10', '52-10=42'] Exploring Operation: 42/3=14, Resulting Numbers: [14] 14,14 equal: Goal Reached Moving to Node #0 Current State: 14:[5, 52, 3, 50], Operations: [] Exploring Operation: 50/5=10, Resulting Numbers: [52, 3, 10] Generated Node #0,0: 14:[52, 3, 10] Operation: 50/5=10 Moving to Node #0,0 Current State: 14:[52, 3, 10], Operations: ['50/5=10'] Exploring Operation: 52-10=42, Resulting Numbers: [3, 42] Generated Node #0,0,0: 14:[3, 42] Operation: 52-10=42 Moving to Node #0,0,0 Current State: 14:[3, 42], Operations: ['50/5=10', '52-10=42'] Exploring Operation: 42/3=14, Resulting Numbers: [14] 14,14 equal: Goal Reached Exit Sub Search at level 1
0.980035
hs_3
sum_heuristic
[ 77, 32, 8, 13 ]
88
[ "77+32=109", "8+13=21", "109-21=88" ]
Current State: 88:[77, 32, 8, 13], Operations: [] Exploring Operation: 77+32=109, Resulting Numbers: [8, 13, 109] Generated Node #2: [8, 13, 109] from Operation: 77+32=109 Current State: 88:[8, 13, 109], Operations: ['77+32=109'] Exploring Operation: 8+13=21, Resulting Numbers: [109, 21] Generated Node #3: [109, 21] from Operation: 8+13=21 Current State: 88:[109, 21], Operations: ['77+32=109', '8+13=21'] Exploring Operation: 109-21=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
4
Current State: 88:[77, 32, 8, 13], Operations: [] Exploring Operation: 77-32=45, Resulting Numbers: [8, 13, 45] Generated Node #0,0: 88:[8, 13, 45] Operation: 77-32=45 Exploring Operation: 77+13=90, Resulting Numbers: [32, 8, 90] Generated Node #0,1: 88:[32, 8, 90] Operation: 77+13=90 Start Sub Search at level 1: Moving to Node #0,0 Current State: 88:[8, 13, 45], Operations: ['77-32=45'] Exploring Operation: 13-8=5, Resulting Numbers: [45, 5] Generated Node #0,0,0: 88:[45, 5] Operation: 13-8=5 Exploring Operation: 8+13=21, Resulting Numbers: [45, 21] Generated Node #0,0,1: 88:[45, 21] Operation: 8+13=21 Moving to Node #0,0,0 Current State: 88:[45, 5], Operations: ['77-32=45', '13-8=5'] Exploring Operation: 45/5=9, Resulting Numbers: [9] 9,88 unequal: No Solution Exploring Operation: 45-5=40, Resulting Numbers: [40] 40,88 unequal: No Solution Moving to Node #0,0,1 Current State: 88:[45, 21], Operations: ['77-32=45', '8+13=21'] Exploring Operation: 45+21=66, Resulting Numbers: [66] 66,88 unequal: No Solution Exploring Operation: 45-21=24, Resulting Numbers: [24] 24,88 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 Current State: 88:[32, 8, 90], Operations: ['77+13=90'] Exploring Operation: 32/8=4, Resulting Numbers: [90, 4] Generated Node #0,1,0: 88:[90, 4] Operation: 32/8=4 Exploring Operation: 32-8=24, Resulting Numbers: [90, 24] Generated Node #0,1,1: 88:[90, 24] Operation: 32-8=24 Moving to Node #0,1,0 Current State: 88:[90, 4], Operations: ['77+13=90', '32/8=4'] Exploring Operation: 90-4=86, Resulting Numbers: [86] 86,88 unequal: No Solution Exploring Operation: 90+4=94, Resulting Numbers: [94] 94,88 unequal: No Solution Moving to Node #0,1,1 Current State: 88:[90, 24], Operations: ['77+13=90', '32-8=24'] Exploring Operation: 90+24=114, Resulting Numbers: [114] 114,88 unequal: No Solution Exploring Operation: 90-24=66, Resulting Numbers: [66] 66,88 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
[ 78, 41, 82, 50 ]
87
[ "78+41=119", "82-50=32", "119-32=87" ]
Current State: 87:[78, 41, 82, 50], Operations: [] Exploring Operation: 78+41=119, Resulting Numbers: [82, 50, 119] Generated Node #2: [82, 50, 119] from Operation: 78+41=119 Current State: 87:[82, 50, 119], Operations: ['78+41=119'] Exploring Operation: 82-50=32, Resulting Numbers: [119, 32] Generated Node #3: [119, 32] from Operation: 82-50=32 Current State: 87:[119, 32], Operations: ['78+41=119', '82-50=32'] Exploring Operation: 119-32=87, Resulting Numbers: [87] 87,87 equal: Goal Reached
4
Current State: 87:[78, 41, 82, 50], Operations: [] Exploring Operation: 78-50=28, Resulting Numbers: [41, 82, 28] Generated Node #0,0: 87:[41, 82, 28] Operation: 78-50=28 Exploring Operation: 50-41=9, Resulting Numbers: [78, 82, 9] Generated Node #0,1: 87:[78, 82, 9] Operation: 50-41=9 Exploring Operation: 41+50=91, Resulting Numbers: [78, 82, 91] Generated Node #0,2: 87:[78, 82, 91] Operation: 41+50=91 Start Sub Search at level 1: Moving to Node #0,0 Current State: 87:[41, 82, 28], Operations: ['78-50=28'] Exploring Operation: 41-28=13, Resulting Numbers: [82, 13] Generated Node #0,0,0: 87:[82, 13] Operation: 41-28=13 Exploring Operation: 82-41=41, Resulting Numbers: [28, 41] Generated Node #0,0,1: 87:[28, 41] Operation: 82-41=41 Exploring Operation: 82/41=2, Resulting Numbers: [28, 2] Generated Node #0,0,2: 87:[28, 2] Operation: 82/41=2 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 87:[28, 2], Operations: ['78-50=28', '82/41=2'] Exploring Operation: 28+2=30, Resulting Numbers: [30] 30,87 unequal: No Solution Exploring Operation: 28-2=26, Resulting Numbers: [26] 26,87 unequal: No Solution Exploring Operation: 28/2=14, Resulting Numbers: [14] 14,87 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 87:[28, 41], Operations: ['78-50=28', '82-41=41'] Exploring Operation: 28*41=1148, Resulting Numbers: [1148] 1148,87 unequal: No Solution Exploring Operation: 28+41=69, Resulting Numbers: [69] 69,87 unequal: No Solution Exploring Operation: 41-28=13, Resulting Numbers: [13] 13,87 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 87:[82, 13], Operations: ['78-50=28', '41-28=13'] Exploring Operation: 82*13=1066, Resulting Numbers: [1066] 1066,87 unequal: No Solution Exploring Operation: 82-13=69, Resulting Numbers: [69] 69,87 unequal: No Solution Exploring Operation: 82+13=95, Resulting Numbers: [95] 95,87 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 87:[78, 82, 91], Operations: ['41+50=91'] Exploring Operation: 91-78=13, Resulting Numbers: [82, 13] Generated Node #0,2,0: 87:[82, 13] Operation: 91-78=13 Exploring Operation: 91-82=9, Resulting Numbers: [78, 9] Generated Node #0,2,1: 87:[78, 9] Operation: 91-82=9 Exploring Operation: 82-78=4, Resulting Numbers: [91, 4] Generated Node #0,2,2: 87:[91, 4] Operation: 82-78=4 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 87:[91, 4], Operations: ['41+50=91', '82-78=4'] Exploring Operation: 91*4=364, Resulting Numbers: [364] 364,87 unequal: No Solution Exploring Operation: 91+4=95, Resulting Numbers: [95] 95,87 unequal: No Solution Exploring Operation: 91-4=87, Resulting Numbers: [87] 87,87 equal: Goal Reached Moving to Node #0 Current State: 87:[78, 41, 82, 50], Operations: [] Exploring Operation: 41+50=91, Resulting Numbers: [78, 82, 91] Generated Node #0,2: 87:[78, 82, 91] Operation: 41+50=91 Moving to Node #0,2 Current State: 87:[78, 82, 91], Operations: ['41+50=91'] Exploring Operation: 82-78=4, Resulting Numbers: [91, 4] Generated Node #0,2,2: 87:[91, 4] Operation: 82-78=4 Moving to Node #0,2,2 Current State: 87:[91, 4], Operations: ['41+50=91', '82-78=4'] Exploring Operation: 91-4=87, Resulting Numbers: [87] 87,87 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.978299
hs_3
mult_heuristic
[ 43, 53, 93, 31 ]
52
[ "53-43=10", "93-31=62", "62-10=52" ]
Current State: 52:[43, 53, 93, 31], Operations: [] Exploring Operation: 53-43=10, Resulting Numbers: [93, 31, 10] Generated Node #2: [93, 31, 10] from Operation: 53-43=10 Current State: 52:[93, 31, 10], Operations: ['53-43=10'] Exploring Operation: 93-31=62, Resulting Numbers: [10, 62] Generated Node #3: [10, 62] from Operation: 93-31=62 Current State: 52:[10, 62], Operations: ['53-43=10', '93-31=62'] Exploring Operation: 62-10=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[43, 53, 93, 31], Operations: [] Exploring Operation: 93-31=62, Resulting Numbers: [43, 53, 62] Generated Node #0,0: 52:[43, 53, 62] Operation: 93-31=62 Exploring Operation: 93-43=50, Resulting Numbers: [53, 31, 50] Generated Node #0,1: 52:[53, 31, 50] Operation: 93-43=50 Exploring Operation: 93/31=3, Resulting Numbers: [43, 53, 3] Generated Node #0,2: 52:[43, 53, 3] Operation: 93/31=3 Moving to Node #0,1 Current State: 52:[53, 31, 50], Operations: ['93-43=50'] Exploring Operation: 50-31=19, Resulting Numbers: [53, 19] Generated Node #0,1,0: 52:[53, 19] Operation: 50-31=19 Exploring Operation: 53-31=22, Resulting Numbers: [50, 22] Generated Node #0,1,1: 52:[50, 22] Operation: 53-31=22 Exploring Operation: 53-50=3, Resulting Numbers: [31, 3] Generated Node #0,1,2: 52:[31, 3] Operation: 53-50=3 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 52:[50, 22], Operations: ['93-43=50', '53-31=22'] Exploring Operation: 50+22=72, Resulting Numbers: [72] 72,52 unequal: No Solution Exploring Operation: 50-22=28, Resulting Numbers: [28] 28,52 unequal: No Solution Exploring Operation: 50*22=1100, Resulting Numbers: [1100] 1100,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 52:[31, 3], Operations: ['93-43=50', '53-50=3'] Exploring Operation: 31-3=28, Resulting Numbers: [28] 28,52 unequal: No Solution Exploring Operation: 31*3=93, Resulting Numbers: [93] 93,52 unequal: No Solution Exploring Operation: 31+3=34, Resulting Numbers: [34] 34,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 52:[53, 19], Operations: ['93-43=50', '50-31=19'] Exploring Operation: 53*19=1007, Resulting Numbers: [1007] 1007,52 unequal: No Solution Exploring Operation: 53-19=34, Resulting Numbers: [34] 34,52 unequal: No Solution Exploring Operation: 53+19=72, Resulting Numbers: [72] 72,52 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: 52:[43, 53, 3], Operations: ['93/31=3'] Exploring Operation: 43+3=46, Resulting Numbers: [53, 46] Generated Node #0,2,0: 52:[53, 46] Operation: 43+3=46 Exploring Operation: 53-3=50, Resulting Numbers: [43, 50] Generated Node #0,2,1: 52:[43, 50] Operation: 53-3=50 Exploring Operation: 53-43=10, Resulting Numbers: [3, 10] Generated Node #0,2,2: 52:[3, 10] Operation: 53-43=10 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 52:[3, 10], Operations: ['93/31=3', '53-43=10'] Exploring Operation: 3*10=30, Resulting Numbers: [30] 30,52 unequal: No Solution Exploring Operation: 10-3=7, Resulting Numbers: [7] 7,52 unequal: No Solution Exploring Operation: 3+10=13, Resulting Numbers: [13] 13,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 52:[53, 46], Operations: ['93/31=3', '43+3=46'] Exploring Operation: 53-46=7, Resulting Numbers: [7] 7,52 unequal: No Solution Exploring Operation: 53+46=99, Resulting Numbers: [99] 99,52 unequal: No Solution Exploring Operation: 53*46=2438, Resulting Numbers: [2438] 2438,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 52:[43, 50], Operations: ['93/31=3', '53-3=50'] Exploring Operation: 43*50=2150, Resulting Numbers: [2150] 2150,52 unequal: No Solution Exploring Operation: 43+50=93, Resulting Numbers: [93] 93,52 unequal: No Solution Exploring Operation: 50-43=7, Resulting Numbers: [7] 7,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 52:[43, 53, 62], Operations: ['93-31=62'] Exploring Operation: 53-43=10, Resulting Numbers: [62, 10] Generated Node #0,0,0: 52:[62, 10] Operation: 53-43=10 Exploring Operation: 62-43=19, Resulting Numbers: [53, 19] Generated Node #0,0,1: 52:[53, 19] Operation: 62-43=19 Exploring Operation: 62-53=9, Resulting Numbers: [43, 9] Generated Node #0,0,2: 52:[43, 9] Operation: 62-53=9 Moving to Node #0,0,1 Current State: 52:[53, 19], Operations: ['93-31=62', '62-43=19'] Exploring Operation: 53+19=72, Resulting Numbers: [72] 72,52 unequal: No Solution Exploring Operation: 53*19=1007, Resulting Numbers: [1007] 1007,52 unequal: No Solution Exploring Operation: 53-19=34, Resulting Numbers: [34] 34,52 unequal: No Solution Moving to Node #0,0,0 Current State: 52:[62, 10], Operations: ['93-31=62', '53-43=10'] Exploring Operation: 62-10=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Moving to Node #0 Current State: 52:[43, 53, 93, 31], Operations: [] Exploring Operation: 93-31=62, Resulting Numbers: [43, 53, 62] Generated Node #0,0: 52:[43, 53, 62] Operation: 93-31=62 Moving to Node #0,0 Current State: 52:[43, 53, 62], Operations: ['93-31=62'] Exploring Operation: 53-43=10, Resulting Numbers: [62, 10] Generated Node #0,0,0: 52:[62, 10] Operation: 53-43=10 Moving to Node #0,0,0 Current State: 52:[62, 10], Operations: ['93-31=62', '53-43=10'] Exploring Operation: 62-10=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
0.967014
hs_3
mult_heuristic
[ 2, 17, 70, 49 ]
73
[ "2+49=51", "51/17=3", "70+3=73" ]
Current State: 73:[2, 17, 70, 49], Operations: [] Exploring Operation: 2+49=51, Resulting Numbers: [17, 70, 51] Generated Node #2: [17, 70, 51] from Operation: 2+49=51 Current State: 73:[17, 70, 51], Operations: ['2+49=51'] Exploring Operation: 51/17=3, Resulting Numbers: [70, 3] Generated Node #3: [70, 3] from Operation: 51/17=3 Current State: 73:[70, 3], Operations: ['2+49=51', '51/17=3'] Exploring Operation: 70+3=73, Resulting Numbers: [73] 73,73 equal: Goal Reached
4
Current State: 73:[2, 17, 70, 49], Operations: [] Exploring Operation: 2*17=34, Resulting Numbers: [70, 49, 34] Generated Node #0,0: 73:[70, 49, 34] Operation: 2*17=34 Start Sub Search at level 1: Moving to Node #0,0 Current State: 73:[70, 49, 34], Operations: ['2*17=34'] Exploring Operation: 49+34=83, Resulting Numbers: [70, 83] Generated Node #0,0,0: 73:[70, 83] Operation: 49+34=83 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 73:[70, 83], Operations: ['2*17=34', '49+34=83'] Exploring Operation: 83-70=13, Resulting Numbers: [13] 13,73 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 70, 63, 79, 9 ]
95
[ "70-63=7", "79+9=88", "7+88=95" ]
Current State: 95:[70, 63, 79, 9], Operations: [] Exploring Operation: 70-63=7, Resulting Numbers: [79, 9, 7] Generated Node #2: [79, 9, 7] from Operation: 70-63=7 Current State: 95:[79, 9, 7], Operations: ['70-63=7'] Exploring Operation: 79+9=88, Resulting Numbers: [7, 88] Generated Node #3: [7, 88] from Operation: 79+9=88 Current State: 95:[7, 88], Operations: ['70-63=7', '79+9=88'] Exploring Operation: 7+88=95, Resulting Numbers: [95] 95,95 equal: Goal Reached
4
Current State: 95:[70, 63, 79, 9], Operations: [] Exploring Operation: 70-63=7, Resulting Numbers: [79, 9, 7] Generated Node #0,0: 95:[79, 9, 7] Operation: 70-63=7 Exploring Operation: 79-70=9, Resulting Numbers: [63, 9, 9] Generated Node #0,1: 95:[63, 9, 9] Operation: 79-70=9 Exploring Operation: 79-63=16, Resulting Numbers: [70, 9, 16] Generated Node #0,2: 95:[70, 9, 16] Operation: 79-63=16 Exploring Operation: 63/9=7, Resulting Numbers: [70, 79, 7] Generated Node #0,3: 95:[70, 79, 7] Operation: 63/9=7 Exploring Operation: 70+63=133, Resulting Numbers: [79, 9, 133] Generated Node #0,4: 95:[79, 9, 133] Operation: 70+63=133 Start Sub Search at level 1: Moving to Node #0,0 Current State: 95:[79, 9, 7], Operations: ['70-63=7'] Exploring Operation: 9+7=16, Resulting Numbers: [79, 16] Generated Node #0,0,0: 95:[79, 16] Operation: 9+7=16 Exploring Operation: 79-9=70, Resulting Numbers: [7, 70] Generated Node #0,0,1: 95:[7, 70] Operation: 79-9=70 Exploring Operation: 79+9=88, Resulting Numbers: [7, 88] Generated Node #0,0,2: 95:[7, 88] Operation: 79+9=88 Exploring Operation: 9-7=2, Resulting Numbers: [79, 2] Generated Node #0,0,3: 95:[79, 2] Operation: 9-7=2 Exploring Operation: 79+7=86, Resulting Numbers: [9, 86] Generated Node #0,0,4: 95:[9, 86] Operation: 79+7=86 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 95:[7, 88], Operations: ['70-63=7', '79+9=88'] Exploring Operation: 7*88=616, Resulting Numbers: [616] 616,95 unequal: No Solution Exploring Operation: 88-7=81, Resulting Numbers: [81] 81,95 unequal: No Solution Exploring Operation: 7+88=95, Resulting Numbers: [95] 95,95 equal: Goal Reached Moving to Node #0 Current State: 95:[70, 63, 79, 9], Operations: [] Exploring Operation: 70-63=7, Resulting Numbers: [79, 9, 7] Generated Node #0,0: 95:[79, 9, 7] Operation: 70-63=7 Moving to Node #0,0 Current State: 95:[79, 9, 7], Operations: ['70-63=7'] Exploring Operation: 79+9=88, Resulting Numbers: [7, 88] Generated Node #0,0,2: 95:[7, 88] Operation: 79+9=88 Moving to Node #0,0,2 Current State: 95:[7, 88], Operations: ['70-63=7', '79+9=88'] Exploring Operation: 7+88=95, Resulting Numbers: [95] 95,95 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.985243
hs_5
mult_heuristic
[ 93, 89, 26, 25 ]
79
[ "93-89=4", "26*4=104", "104-25=79" ]
Current State: 79:[93, 89, 26, 25], Operations: [] Exploring Operation: 93-89=4, Resulting Numbers: [26, 25, 4] Generated Node #2: [26, 25, 4] from Operation: 93-89=4 Current State: 79:[26, 25, 4], Operations: ['93-89=4'] Exploring Operation: 26*4=104, Resulting Numbers: [25, 104] Generated Node #3: [25, 104] from Operation: 26*4=104 Current State: 79:[25, 104], Operations: ['93-89=4', '26*4=104'] Exploring Operation: 104-25=79, Resulting Numbers: [79] 79,79 equal: Goal Reached
4
Current State: 79:[93, 89, 26, 25], Operations: [] Exploring Operation: 26+25=51, Resulting Numbers: [93, 89, 51] Generated Node #0,0: 79:[93, 89, 51] Operation: 26+25=51 Exploring Operation: 93-26=67, Resulting Numbers: [89, 25, 67] Generated Node #0,1: 79:[89, 25, 67] Operation: 93-26=67 Exploring Operation: 89-26=63, Resulting Numbers: [93, 25, 63] Generated Node #0,2: 79:[93, 25, 63] Operation: 89-26=63 Exploring Operation: 93-25=68, Resulting Numbers: [89, 26, 68] Generated Node #0,3: 79:[89, 26, 68] Operation: 93-25=68 Exploring Operation: 89-25=64, Resulting Numbers: [93, 26, 64] Generated Node #0,4: 79:[93, 26, 64] Operation: 89-25=64 Start Sub Search at level 1: Moving to Node #0,0 Current State: 79:[93, 89, 51], Operations: ['26+25=51'] Exploring Operation: 89+51=140, Resulting Numbers: [93, 140] Generated Node #0,0,0: 79:[93, 140] Operation: 89+51=140 Exploring Operation: 89-51=38, Resulting Numbers: [93, 38] Generated Node #0,0,1: 79:[93, 38] Operation: 89-51=38 Exploring Operation: 93-89=4, Resulting Numbers: [51, 4] Generated Node #0,0,2: 79:[51, 4] Operation: 93-89=4 Exploring Operation: 93-51=42, Resulting Numbers: [89, 42] Generated Node #0,0,3: 79:[89, 42] Operation: 93-51=42 Exploring Operation: 93+51=144, Resulting Numbers: [89, 144] Generated Node #0,0,4: 79:[89, 144] Operation: 93+51=144 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 79:[89, 42], Operations: ['26+25=51', '93-51=42'] Exploring Operation: 89+42=131, Resulting Numbers: [131] 131,79 unequal: No Solution Exploring Operation: 89*42=3738, Resulting Numbers: [3738] 3738,79 unequal: No Solution Exploring Operation: 89-42=47, Resulting Numbers: [47] 47,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 79:[93, 38], Operations: ['26+25=51', '89-51=38'] Exploring Operation: 93-38=55, Resulting Numbers: [55] 55,79 unequal: No Solution Exploring Operation: 93+38=131, Resulting Numbers: [131] 131,79 unequal: No Solution Exploring Operation: 93*38=3534, Resulting Numbers: [3534] 3534,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 79:[93, 140], Operations: ['26+25=51', '89+51=140'] Exploring Operation: 140-93=47, Resulting Numbers: [47] 47,79 unequal: No Solution Exploring Operation: 93*140=13020, Resulting Numbers: [13020] 13020,79 unequal: No Solution Exploring Operation: 93+140=233, Resulting Numbers: [233] 233,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 79:[89, 144], Operations: ['26+25=51', '93+51=144'] Exploring Operation: 89*144=12816, Resulting Numbers: [12816] 12816,79 unequal: No Solution Exploring Operation: 89+144=233, Resulting Numbers: [233] 233,79 unequal: No Solution Exploring Operation: 144-89=55, Resulting Numbers: [55] 55,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 79:[51, 4], Operations: ['26+25=51', '93-89=4'] Exploring Operation: 51*4=204, Resulting Numbers: [204] 204,79 unequal: No Solution Exploring Operation: 51+4=55, Resulting Numbers: [55] 55,79 unequal: No Solution Exploring Operation: 51-4=47, Resulting Numbers: [47] 47,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 79:[89, 26, 68], Operations: ['93-25=68'] Exploring Operation: 26+68=94, Resulting Numbers: [89, 94] Generated Node #0,3,0: 79:[89, 94] Operation: 26+68=94 Exploring Operation: 89+26=115, Resulting Numbers: [68, 115] Generated Node #0,3,1: 79:[68, 115] Operation: 89+26=115 Exploring Operation: 68-26=42, Resulting Numbers: [89, 42] Generated Node #0,3,2: 79:[89, 42] Operation: 68-26=42 Exploring Operation: 89-26=63, Resulting Numbers: [68, 63] Generated Node #0,3,3: 79:[68, 63] Operation: 89-26=63 Exploring Operation: 89-68=21, Resulting Numbers: [26, 21] Generated Node #0,3,4: 79:[26, 21] Operation: 89-68=21 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 79:[89, 94], Operations: ['93-25=68', '26+68=94'] Exploring Operation: 89*94=8366, Resulting Numbers: [8366] 8366,79 unequal: No Solution Exploring Operation: 94-89=5, Resulting Numbers: [5] 5,79 unequal: No Solution Exploring Operation: 89+94=183, Resulting Numbers: [183] 183,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 79:[68, 63], Operations: ['93-25=68', '89-26=63'] Exploring Operation: 68-63=5, Resulting Numbers: [5] 5,79 unequal: No Solution Exploring Operation: 68+63=131, Resulting Numbers: [131] 131,79 unequal: No Solution Exploring Operation: 68*63=4284, Resulting Numbers: [4284] 4284,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 79:[68, 115], Operations: ['93-25=68', '89+26=115'] Exploring Operation: 68*115=7820, Resulting Numbers: [7820] 7820,79 unequal: No Solution Exploring Operation: 115-68=47, Resulting Numbers: [47] 47,79 unequal: No Solution Exploring Operation: 68+115=183, Resulting Numbers: [183] 183,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 79:[89, 42], Operations: ['93-25=68', '68-26=42'] Exploring Operation: 89-42=47, Resulting Numbers: [47] 47,79 unequal: No Solution Exploring Operation: 89*42=3738, Resulting Numbers: [3738] 3738,79 unequal: No Solution Exploring Operation: 89+42=131, Resulting Numbers: [131] 131,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 79:[26, 21], Operations: ['93-25=68', '89-68=21'] Exploring Operation: 26-21=5, Resulting Numbers: [5] 5,79 unequal: No Solution Exploring Operation: 26*21=546, Resulting Numbers: [546] 546,79 unequal: No Solution Exploring Operation: 26+21=47, Resulting Numbers: [47] 47,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 79:[89, 25, 67], Operations: ['93-26=67'] Exploring Operation: 89+25=114, Resulting Numbers: [67, 114] Generated Node #0,1,0: 79:[67, 114] Operation: 89+25=114 Exploring Operation: 67-25=42, Resulting Numbers: [89, 42] Generated Node #0,1,1: 79:[89, 42] Operation: 67-25=42 Exploring Operation: 25+67=92, Resulting Numbers: [89, 92] Generated Node #0,1,2: 79:[89, 92] Operation: 25+67=92 Exploring Operation: 89-25=64, Resulting Numbers: [67, 64] Generated Node #0,1,3: 79:[67, 64] Operation: 89-25=64 Exploring Operation: 89-67=22, Resulting Numbers: [25, 22] Generated Node #0,1,4: 79:[25, 22] Operation: 89-67=22 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 79:[89, 92], Operations: ['93-26=67', '25+67=92'] Exploring Operation: 92-89=3, Resulting Numbers: [3] 3,79 unequal: No Solution Exploring Operation: 89+92=181, Resulting Numbers: [181] 181,79 unequal: No Solution Exploring Operation: 89*92=8188, Resulting Numbers: [8188] 8188,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 79:[67, 64], Operations: ['93-26=67', '89-25=64'] Exploring Operation: 67+64=131, Resulting Numbers: [131] 131,79 unequal: No Solution Exploring Operation: 67-64=3, Resulting Numbers: [3] 3,79 unequal: No Solution Exploring Operation: 67*64=4288, Resulting Numbers: [4288] 4288,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 79:[67, 114], Operations: ['93-26=67', '89+25=114'] Exploring Operation: 67*114=7638, Resulting Numbers: [7638] 7638,79 unequal: No Solution Exploring Operation: 114-67=47, Resulting Numbers: [47] 47,79 unequal: No Solution Exploring Operation: 67+114=181, Resulting Numbers: [181] 181,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 79:[89, 42], Operations: ['93-26=67', '67-25=42'] Exploring Operation: 89*42=3738, Resulting Numbers: [3738] 3738,79 unequal: No Solution Exploring Operation: 89-42=47, Resulting Numbers: [47] 47,79 unequal: No Solution Exploring Operation: 89+42=131, Resulting Numbers: [131] 131,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 79:[25, 22], Operations: ['93-26=67', '89-67=22'] Exploring Operation: 25+22=47, Resulting Numbers: [47] 47,79 unequal: No Solution Exploring Operation: 25*22=550, Resulting Numbers: [550] 550,79 unequal: No Solution Exploring Operation: 25-22=3, Resulting Numbers: [3] 3,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 79:[93, 26, 64], Operations: ['89-25=64'] Exploring Operation: 26+64=90, Resulting Numbers: [93, 90] Generated Node #0,4,0: 79:[93, 90] Operation: 26+64=90 Exploring Operation: 64-26=38, Resulting Numbers: [93, 38] Generated Node #0,4,1: 79:[93, 38] Operation: 64-26=38 Exploring Operation: 93+26=119, Resulting Numbers: [64, 119] Generated Node #0,4,2: 79:[64, 119] Operation: 93+26=119 Exploring Operation: 93-64=29, Resulting Numbers: [26, 29] Generated Node #0,4,3: 79:[26, 29] Operation: 93-64=29 Exploring Operation: 93-26=67, Resulting Numbers: [64, 67] Generated Node #0,4,4: 79:[64, 67] Operation: 93-26=67 Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 79:[93, 90], Operations: ['89-25=64', '26+64=90'] Exploring Operation: 93*90=8370, Resulting Numbers: [8370] 8370,79 unequal: No Solution Exploring Operation: 93-90=3, Resulting Numbers: [3] 3,79 unequal: No Solution Exploring Operation: 93+90=183, Resulting Numbers: [183] 183,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 79:[64, 67], Operations: ['89-25=64', '93-26=67'] Exploring Operation: 64*67=4288, Resulting Numbers: [4288] 4288,79 unequal: No Solution Exploring Operation: 64+67=131, Resulting Numbers: [131] 131,79 unequal: No Solution Exploring Operation: 67-64=3, Resulting Numbers: [3] 3,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 79:[93, 38], Operations: ['89-25=64', '64-26=38'] Exploring Operation: 93-38=55, Resulting Numbers: [55] 55,79 unequal: No Solution Exploring Operation: 93*38=3534, Resulting Numbers: [3534] 3534,79 unequal: No Solution Exploring Operation: 93+38=131, Resulting Numbers: [131] 131,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 79:[64, 119], Operations: ['89-25=64', '93+26=119'] Exploring Operation: 64+119=183, Resulting Numbers: [183] 183,79 unequal: No Solution Exploring Operation: 64*119=7616, Resulting Numbers: [7616] 7616,79 unequal: No Solution Exploring Operation: 119-64=55, Resulting Numbers: [55] 55,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 79:[26, 29], Operations: ['89-25=64', '93-64=29'] Exploring Operation: 29-26=3, Resulting Numbers: [3] 3,79 unequal: No Solution Exploring Operation: 26+29=55, Resulting Numbers: [55] 55,79 unequal: No Solution Exploring Operation: 26*29=754, Resulting Numbers: [754] 754,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 79:[93, 25, 63], Operations: ['89-26=63'] Exploring Operation: 93-63=30, Resulting Numbers: [25, 30] Generated Node #0,2,0: 79:[25, 30] Operation: 93-63=30 Exploring Operation: 93+25=118, Resulting Numbers: [63, 118] Generated Node #0,2,1: 79:[63, 118] Operation: 93+25=118 Exploring Operation: 25+63=88, Resulting Numbers: [93, 88] Generated Node #0,2,2: 79:[93, 88] Operation: 25+63=88 Exploring Operation: 63-25=38, Resulting Numbers: [93, 38] Generated Node #0,2,3: 79:[93, 38] Operation: 63-25=38 Exploring Operation: 93-25=68, Resulting Numbers: [63, 68] Generated Node #0,2,4: 79:[63, 68] Operation: 93-25=68 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 79:[93, 88], Operations: ['89-26=63', '25+63=88'] Exploring Operation: 93+88=181, Resulting Numbers: [181] 181,79 unequal: No Solution Exploring Operation: 93*88=8184, Resulting Numbers: [8184] 8184,79 unequal: No Solution Exploring Operation: 93-88=5, Resulting Numbers: [5] 5,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 79:[63, 68], Operations: ['89-26=63', '93-25=68'] Exploring Operation: 68-63=5, Resulting Numbers: [5] 5,79 unequal: No Solution Exploring Operation: 63*68=4284, Resulting Numbers: [4284] 4284,79 unequal: No Solution Exploring Operation: 63+68=131, Resulting Numbers: [131] 131,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 79:[63, 118], Operations: ['89-26=63', '93+25=118'] Exploring Operation: 63+118=181, Resulting Numbers: [181] 181,79 unequal: No Solution Exploring Operation: 63*118=7434, Resulting Numbers: [7434] 7434,79 unequal: No Solution Exploring Operation: 118-63=55, Resulting Numbers: [55] 55,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 79:[93, 38], Operations: ['89-26=63', '63-25=38'] Exploring Operation: 93-38=55, Resulting Numbers: [55] 55,79 unequal: No Solution Exploring Operation: 93*38=3534, Resulting Numbers: [3534] 3534,79 unequal: No Solution Exploring Operation: 93+38=131, Resulting Numbers: [131] 131,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 79:[25, 30], Operations: ['89-26=63', '93-63=30'] Exploring Operation: 30-25=5, Resulting Numbers: [5] 5,79 unequal: No Solution Exploring Operation: 25*30=750, Resulting Numbers: [750] 750,79 unequal: No Solution Exploring Operation: 25+30=55, Resulting Numbers: [55] 55,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
sum_heuristic
[ 49, 57, 40, 99 ]
47
[ "49+57=106", "99-40=59", "106-59=47" ]
Current State: 47:[49, 57, 40, 99], Operations: [] Exploring Operation: 49+57=106, Resulting Numbers: [40, 99, 106] Generated Node #2: [40, 99, 106] from Operation: 49+57=106 Current State: 47:[40, 99, 106], Operations: ['49+57=106'] Exploring Operation: 99-40=59, Resulting Numbers: [106, 59] Generated Node #3: [106, 59] from Operation: 99-40=59 Current State: 47:[106, 59], Operations: ['49+57=106', '99-40=59'] Exploring Operation: 106-59=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[49, 57, 40, 99], Operations: [] Exploring Operation: 99-57=42, Resulting Numbers: [49, 40, 42] Generated Node #0,0: 47:[49, 40, 42] Operation: 99-57=42 Start Sub Search at level 1: Moving to Node #0,0 Current State: 47:[49, 40, 42], Operations: ['99-57=42'] Exploring Operation: 40+42=82, Resulting Numbers: [49, 82] Generated Node #0,0,0: 47:[49, 82] Operation: 40+42=82 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 47:[49, 82], Operations: ['99-57=42', '40+42=82'] Exploring Operation: 82-49=33, Resulting Numbers: [33] 33,47 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_1
sum_heuristic
[ 89, 43, 32, 43 ]
32
[ "43-43=0", "89*0=0", "32+0=32" ]
Current State: 32:[89, 43, 32, 43], Operations: [] Exploring Operation: 43-43=0, Resulting Numbers: [89, 32, 0] Generated Node #2: [89, 32, 0] from Operation: 43-43=0 Current State: 32:[89, 32, 0], Operations: ['43-43=0'] Exploring Operation: 89*0=0, Resulting Numbers: [32, 0] Generated Node #3: [32, 0] from Operation: 89*0=0 Current State: 32:[32, 0], Operations: ['43-43=0', '89*0=0'] Exploring Operation: 32+0=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[89, 43, 32, 43], Operations: [] Exploring Operation: 89-43=46, Resulting Numbers: [43, 32, 46] Generated Node #0,0: 32:[43, 32, 46] Operation: 89-43=46 Exploring Operation: 89-32=57, Resulting Numbers: [43, 43, 57] Generated Node #0,1: 32:[43, 43, 57] Operation: 89-32=57 Exploring Operation: 43/43=1, Resulting Numbers: [89, 32, 1] Generated Node #0,2: 32:[89, 32, 1] Operation: 43/43=1 Exploring Operation: 43-43=0, Resulting Numbers: [89, 32, 0] Generated Node #0,3: 32:[89, 32, 0] Operation: 43-43=0 Exploring Operation: 89-43=46, Resulting Numbers: [32, 43, 46] Generated Node #0,4: 32:[32, 43, 46] Operation: 89-43=46 Start Sub Search at level 1: Moving to Node #0,0 Current State: 32:[43, 32, 46], Operations: ['89-43=46'] Exploring Operation: 43-32=11, Resulting Numbers: [46, 11] Generated Node #0,0,0: 32:[46, 11] Operation: 43-32=11 Exploring Operation: 46-32=14, Resulting Numbers: [43, 14] Generated Node #0,0,1: 32:[43, 14] Operation: 46-32=14 Exploring Operation: 43+46=89, Resulting Numbers: [32, 89] Generated Node #0,0,2: 32:[32, 89] Operation: 43+46=89 Exploring Operation: 43+32=75, Resulting Numbers: [46, 75] Generated Node #0,0,3: 32:[46, 75] Operation: 43+32=75 Exploring Operation: 46-43=3, Resulting Numbers: [32, 3] Generated Node #0,0,4: 32:[32, 3] Operation: 46-43=3 Moving to Node #0,0,4 Current State: 32:[32, 3], Operations: ['89-43=46', '46-43=3'] Exploring Operation: 32+3=35, Resulting Numbers: [35] 35,32 unequal: No Solution Exploring Operation: 32-3=29, Resulting Numbers: [29] 29,32 unequal: No Solution Exploring Operation: 32*3=96, Resulting Numbers: [96] 96,32 unequal: No Solution Moving to Node #0,0,1 Current State: 32:[43, 14], Operations: ['89-43=46', '46-32=14'] Exploring Operation: 43*14=602, Resulting Numbers: [602] 602,32 unequal: No Solution Exploring Operation: 43+14=57, Resulting Numbers: [57] 57,32 unequal: No Solution Exploring Operation: 43-14=29, Resulting Numbers: [29] 29,32 unequal: No Solution Moving to Node #0,0,0 Current State: 32:[46, 11], Operations: ['89-43=46', '43-32=11'] Exploring Operation: 46*11=506, Resulting Numbers: [506] 506,32 unequal: No Solution Exploring Operation: 46-11=35, Resulting Numbers: [35] 35,32 unequal: No Solution Exploring Operation: 46+11=57, Resulting Numbers: [57] 57,32 unequal: No Solution Moving to Node #0,0,2 Current State: 32:[32, 89], Operations: ['89-43=46', '43+46=89'] Exploring Operation: 32+89=121, Resulting Numbers: [121] 121,32 unequal: No Solution Exploring Operation: 32*89=2848, Resulting Numbers: [2848] 2848,32 unequal: No Solution Exploring Operation: 89-32=57, Resulting Numbers: [57] 57,32 unequal: No Solution Moving to Node #0,0,3 Current State: 32:[46, 75], Operations: ['89-43=46', '43+32=75'] Exploring Operation: 46*75=3450, Resulting Numbers: [3450] 3450,32 unequal: No Solution Exploring Operation: 46+75=121, Resulting Numbers: [121] 121,32 unequal: No Solution Exploring Operation: 75-46=29, Resulting Numbers: [29] 29,32 unequal: No Solution No 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: 32:[32, 43, 46], Operations: ['89-43=46'] Exploring Operation: 46-43=3, Resulting Numbers: [32, 3] Generated Node #0,4,0: 32:[32, 3] Operation: 46-43=3 Exploring Operation: 32+46=78, Resulting Numbers: [43, 78] Generated Node #0,4,1: 32:[43, 78] Operation: 32+46=78 Exploring Operation: 43-32=11, Resulting Numbers: [46, 11] Generated Node #0,4,2: 32:[46, 11] Operation: 43-32=11 Exploring Operation: 32+43=75, Resulting Numbers: [46, 75] Generated Node #0,4,3: 32:[46, 75] Operation: 32+43=75 Exploring Operation: 46-32=14, Resulting Numbers: [43, 14] Generated Node #0,4,4: 32:[43, 14] Operation: 46-32=14 Moving to Node #0,4,0 Current State: 32:[32, 3], Operations: ['89-43=46', '46-43=3'] Exploring Operation: 32*3=96, Resulting Numbers: [96] 96,32 unequal: No Solution Exploring Operation: 32+3=35, Resulting Numbers: [35] 35,32 unequal: No Solution Exploring Operation: 32-3=29, Resulting Numbers: [29] 29,32 unequal: No Solution Moving to Node #0,4,4 Current State: 32:[43, 14], Operations: ['89-43=46', '46-32=14'] Exploring Operation: 43-14=29, Resulting Numbers: [29] 29,32 unequal: No Solution Exploring Operation: 43*14=602, Resulting Numbers: [602] 602,32 unequal: No Solution Exploring Operation: 43+14=57, Resulting Numbers: [57] 57,32 unequal: No Solution Moving to Node #0,4,2 Current State: 32:[46, 11], Operations: ['89-43=46', '43-32=11'] Exploring Operation: 46-11=35, Resulting Numbers: [35] 35,32 unequal: No Solution Exploring Operation: 46+11=57, Resulting Numbers: [57] 57,32 unequal: No Solution Exploring Operation: 46*11=506, Resulting Numbers: [506] 506,32 unequal: No Solution Moving to Node #0,4,1 Current State: 32:[43, 78], Operations: ['89-43=46', '32+46=78'] Exploring Operation: 43*78=3354, Resulting Numbers: [3354] 3354,32 unequal: No Solution Exploring Operation: 78-43=35, Resulting Numbers: [35] 35,32 unequal: No Solution Exploring Operation: 43+78=121, Resulting Numbers: [121] 121,32 unequal: No Solution Moving to Node #0,4,3 Current State: 32:[46, 75], Operations: ['89-43=46', '32+43=75'] Exploring Operation: 46+75=121, Resulting Numbers: [121] 121,32 unequal: No Solution Exploring Operation: 46*75=3450, Resulting Numbers: [3450] 3450,32 unequal: No Solution Exploring Operation: 75-46=29, Resulting Numbers: [29] 29,32 unequal: No Solution No solution 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: 32:[43, 43, 57], Operations: ['89-32=57'] Exploring Operation: 57-43=14, Resulting Numbers: [43, 14] Generated Node #0,1,0: 32:[43, 14] Operation: 57-43=14 Exploring Operation: 57-43=14, Resulting Numbers: [43, 14] Generated Node #0,1,1: 32:[43, 14] Operation: 57-43=14 Exploring Operation: 43/43=1, Resulting Numbers: [57, 1] Generated Node #0,1,2: 32:[57, 1] Operation: 43/43=1 Exploring Operation: 43-43=0, Resulting Numbers: [57, 0] Generated Node #0,1,3: 32:[57, 0] Operation: 43-43=0 Exploring Operation: 43+43=86, Resulting Numbers: [57, 86] Generated Node #0,1,4: 32:[57, 86] Operation: 43+43=86 Moving to Node #0,1,0 Current State: 32:[43, 14], Operations: ['89-32=57', '57-43=14'] Exploring Operation: 43*14=602, Resulting Numbers: [602] 602,32 unequal: No Solution Exploring Operation: 43+14=57, Resulting Numbers: [57] 57,32 unequal: No Solution Exploring Operation: 43-14=29, Resulting Numbers: [29] 29,32 unequal: No Solution Moving to Node #0,1,1 Current State: 32:[43, 14], Operations: ['89-32=57', '57-43=14'] Exploring Operation: 43+14=57, Resulting Numbers: [57] 57,32 unequal: No Solution Exploring Operation: 43*14=602, Resulting Numbers: [602] 602,32 unequal: No Solution Exploring Operation: 43-14=29, Resulting Numbers: [29] 29,32 unequal: No Solution Moving to Node #0,1,2 Current State: 32:[57, 1], Operations: ['89-32=57', '43/43=1'] Exploring Operation: 57-1=56, Resulting Numbers: [56] 56,32 unequal: No Solution Exploring Operation: 57+1=58, Resulting Numbers: [58] 58,32 unequal: No Solution Exploring Operation: 57/1=57, Resulting Numbers: [57] 57,32 unequal: No Solution Exploring Operation: 57*1=57, Resulting Numbers: [57] 57,32 unequal: No Solution Moving to Node #0,1,3 Current State: 32:[57, 0], Operations: ['89-32=57', '43-43=0'] Exploring Operation: 57+0=57, Resulting Numbers: [57] 57,32 unequal: No Solution Exploring Operation: 57-0=57, Resulting Numbers: [57] 57,32 unequal: No Solution Exploring Operation: 57*0=0, Resulting Numbers: [0] 0,32 unequal: No Solution Moving to Node #0,1,4 Current State: 32:[57, 86], Operations: ['89-32=57', '43+43=86'] Exploring Operation: 57*86=4902, Resulting Numbers: [4902] 4902,32 unequal: No Solution Exploring Operation: 57+86=143, Resulting Numbers: [143] 143,32 unequal: No Solution Exploring Operation: 86-57=29, Resulting Numbers: [29] 29,32 unequal: No Solution No 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: 32:[89, 32, 1], Operations: ['43/43=1'] Exploring Operation: 32*1=32, Resulting Numbers: [89, 32] Generated Node #0,2,0: 32:[89, 32] Operation: 32*1=32 Exploring Operation: 89*1=89, Resulting Numbers: [32, 89] Generated Node #0,2,1: 32:[32, 89] Operation: 89*1=89 Exploring Operation: 89/1=89, Resulting Numbers: [32, 89] Generated Node #0,2,2: 32:[32, 89] Operation: 89/1=89 Exploring Operation: 89-32=57, Resulting Numbers: [1, 57] Generated Node #0,2,3: 32:[1, 57] Operation: 89-32=57 Exploring Operation: 89-1=88, Resulting Numbers: [32, 88] Generated Node #0,2,4: 32:[32, 88] Operation: 89-1=88 Moving to Node #0,2,3 Current State: 32:[1, 57], Operations: ['43/43=1', '89-32=57'] Exploring Operation: 57/1=57, Resulting Numbers: [57] 57,32 unequal: No Solution Exploring Operation: 1*57=57, Resulting Numbers: [57] 57,32 unequal: No Solution Exploring Operation: 57-1=56, Resulting Numbers: [56] 56,32 unequal: No Solution Exploring Operation: 1+57=58, Resulting Numbers: [58] 58,32 unequal: No Solution Moving to Node #0,2,4 Current State: 32:[32, 88], Operations: ['43/43=1', '89-1=88'] Exploring Operation: 32+88=120, Resulting Numbers: [120] 120,32 unequal: No Solution Exploring Operation: 32*88=2816, Resulting Numbers: [2816] 2816,32 unequal: No Solution Exploring Operation: 88-32=56, Resulting Numbers: [56] 56,32 unequal: No Solution Moving to Node #0,2,0 Current State: 32:[89, 32], Operations: ['43/43=1', '32*1=32'] Exploring Operation: 89-32=57, Resulting Numbers: [57] 57,32 unequal: No Solution Exploring Operation: 89+32=121, Resulting Numbers: [121] 121,32 unequal: No Solution Exploring Operation: 89*32=2848, Resulting Numbers: [2848] 2848,32 unequal: No Solution Moving to Node #0,2,1 Current State: 32:[32, 89], Operations: ['43/43=1', '89*1=89'] Exploring Operation: 32+89=121, Resulting Numbers: [121] 121,32 unequal: No Solution Exploring Operation: 89-32=57, Resulting Numbers: [57] 57,32 unequal: No Solution Exploring Operation: 32*89=2848, Resulting Numbers: [2848] 2848,32 unequal: No Solution Moving to Node #0,2,2 Current State: 32:[32, 89], Operations: ['43/43=1', '89/1=89'] Exploring Operation: 32+89=121, Resulting Numbers: [121] 121,32 unequal: No Solution Exploring Operation: 89-32=57, Resulting Numbers: [57] 57,32 unequal: No Solution Exploring Operation: 32*89=2848, Resulting Numbers: [2848] 2848,32 unequal: No Solution No 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: 32:[89, 32, 0], Operations: ['43-43=0'] Exploring Operation: 89*0=0, Resulting Numbers: [32, 0] Generated Node #0,3,0: 32:[32, 0] Operation: 89*0=0 Exploring Operation: 32+0=32, Resulting Numbers: [89, 32] Generated Node #0,3,1: 32:[89, 32] Operation: 32+0=32 Exploring Operation: 89-32=57, Resulting Numbers: [0, 57] Generated Node #0,3,2: 32:[0, 57] Operation: 89-32=57 Exploring Operation: 89+0=89, Resulting Numbers: [32, 89] Generated Node #0,3,3: 32:[32, 89] Operation: 89+0=89 Exploring Operation: 89-0=89, Resulting Numbers: [32, 89] Generated Node #0,3,4: 32:[32, 89] Operation: 89-0=89 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 32:[32, 0], Operations: ['43-43=0', '89*0=0'] Exploring Operation: 32-0=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Moving to Node #0 Current State: 32:[89, 43, 32, 43], Operations: [] Exploring Operation: 43-43=0, Resulting Numbers: [89, 32, 0] Generated Node #0,3: 32:[89, 32, 0] Operation: 43-43=0 Moving to Node #0,3 Current State: 32:[89, 32, 0], Operations: ['43-43=0'] Exploring Operation: 89*0=0, Resulting Numbers: [32, 0] Generated Node #0,3,0: 32:[32, 0] Operation: 89*0=0 Moving to Node #0,3,0 Current State: 32:[32, 0], Operations: ['43-43=0', '89*0=0'] Exploring Operation: 32-0=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.915799
hs_5
mult_heuristic
[ 56, 14, 26, 5 ]
26
[ "56/14=4", "5-4=1", "26*1=26" ]
Current State: 26:[56, 14, 26, 5], Operations: [] Exploring Operation: 56/14=4, Resulting Numbers: [26, 5, 4] Generated Node #2: [26, 5, 4] from Operation: 56/14=4 Current State: 26:[26, 5, 4], Operations: ['56/14=4'] Exploring Operation: 5-4=1, Resulting Numbers: [26, 1] Generated Node #3: [26, 1] from Operation: 5-4=1 Current State: 26:[26, 1], Operations: ['56/14=4', '5-4=1'] Exploring Operation: 26*1=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
4
Current State: 26:[56, 14, 26, 5], Operations: [] Exploring Operation: 56/14=4, Resulting Numbers: [26, 5, 4] Generated Node #0,0: 26:[26, 5, 4] Operation: 56/14=4 Exploring Operation: 56-5=51, Resulting Numbers: [14, 26, 51] Generated Node #0,1: 26:[14, 26, 51] Operation: 56-5=51 Exploring Operation: 56-26=30, Resulting Numbers: [14, 5, 30] Generated Node #0,2: 26:[14, 5, 30] Operation: 56-26=30 Exploring Operation: 56-14=42, Resulting Numbers: [26, 5, 42] Generated Node #0,3: 26:[26, 5, 42] Operation: 56-14=42 Start Sub Search at level 1: Moving to Node #0,0 Current State: 26:[26, 5, 4], Operations: ['56/14=4'] Exploring Operation: 5*4=20, Resulting Numbers: [26, 20] Generated Node #0,0,0: 26:[26, 20] Operation: 5*4=20 Exploring Operation: 5-4=1, Resulting Numbers: [26, 1] Generated Node #0,0,1: 26:[26, 1] Operation: 5-4=1 Exploring Operation: 5+4=9, Resulting Numbers: [26, 9] Generated Node #0,0,2: 26:[26, 9] Operation: 5+4=9 Exploring Operation: 26+5=31, Resulting Numbers: [4, 31] Generated Node #0,0,3: 26:[4, 31] Operation: 26+5=31 Moving to Node #0,0,1 Current State: 26:[26, 1], Operations: ['56/14=4', '5-4=1'] Exploring Operation: 26*1=26, Resulting Numbers: [26] 26,26 equal: Goal Reached Moving to Node #0 Current State: 26:[56, 14, 26, 5], Operations: [] Exploring Operation: 56/14=4, Resulting Numbers: [26, 5, 4] Generated Node #0,0: 26:[26, 5, 4] Operation: 56/14=4 Moving to Node #0,0 Current State: 26:[26, 5, 4], Operations: ['56/14=4'] Exploring Operation: 5-4=1, Resulting Numbers: [26, 1] Generated Node #0,0,1: 26:[26, 1] Operation: 5-4=1 Moving to Node #0,0,1 Current State: 26:[26, 1], Operations: ['56/14=4', '5-4=1'] Exploring Operation: 26*1=26, Resulting Numbers: [26] 26,26 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_4
sum_heuristic
[ 26, 76, 34, 86 ]
83
[ "26+76=102", "102/34=3", "86-3=83" ]
Current State: 83:[26, 76, 34, 86], Operations: [] Exploring Operation: 26+76=102, Resulting Numbers: [34, 86, 102] Generated Node #2: [34, 86, 102] from Operation: 26+76=102 Current State: 83:[34, 86, 102], Operations: ['26+76=102'] Exploring Operation: 102/34=3, Resulting Numbers: [86, 3] Generated Node #3: [86, 3] from Operation: 102/34=3 Current State: 83:[86, 3], Operations: ['26+76=102', '102/34=3'] Exploring Operation: 86-3=83, Resulting Numbers: [83] 83,83 equal: Goal Reached
4
Current State: 83:[26, 76, 34, 86], Operations: [] Exploring Operation: 26+34=60, Resulting Numbers: [76, 86, 60] Generated Node #0,0: 83:[76, 86, 60] Operation: 26+34=60 Moving to Node #0,0 Current State: 83:[76, 86, 60], Operations: ['26+34=60'] Exploring Operation: 76+60=136, Resulting Numbers: [86, 136] Generated Node #0,0,0: 83:[86, 136] Operation: 76+60=136 Moving to Node #0,0,0 Current State: 83:[86, 136], Operations: ['26+34=60', '76+60=136'] Exploring Operation: 136-86=50, Resulting Numbers: [50] 50,83 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 83, 92, 92, 4 ]
83
[ "92-92=0", "4*0=0", "83+0=83" ]
Current State: 83:[83, 92, 92, 4], Operations: [] Exploring Operation: 92-92=0, Resulting Numbers: [83, 4, 0] Generated Node #2: [83, 4, 0] from Operation: 92-92=0 Current State: 83:[83, 4, 0], Operations: ['92-92=0'] Exploring Operation: 4*0=0, Resulting Numbers: [83, 0] Generated Node #3: [83, 0] from Operation: 4*0=0 Current State: 83:[83, 0], Operations: ['92-92=0', '4*0=0'] Exploring Operation: 83+0=83, Resulting Numbers: [83] 83,83 equal: Goal Reached
4
Current State: 83:[83, 92, 92, 4], Operations: [] Exploring Operation: 92-4=88, Resulting Numbers: [83, 92, 88] Generated Node #0,0: 83:[83, 92, 88] Operation: 92-4=88 Exploring Operation: 83+4=87, Resulting Numbers: [92, 92, 87] Generated Node #0,1: 83:[92, 92, 87] Operation: 83+4=87 Exploring Operation: 92-4=88, Resulting Numbers: [83, 92, 88] Generated Node #0,2: 83:[83, 92, 88] Operation: 92-4=88 Exploring Operation: 92+4=96, Resulting Numbers: [83, 92, 96] Generated Node #0,3: 83:[83, 92, 96] Operation: 92+4=96 Exploring Operation: 83-4=79, Resulting Numbers: [92, 92, 79] Generated Node #0,4: 83:[92, 92, 79] Operation: 83-4=79 Moving to Node #0,0 Current State: 83:[83, 92, 88], Operations: ['92-4=88'] Exploring Operation: 92-83=9, Resulting Numbers: [88, 9] Generated Node #0,0,0: 83:[88, 9] Operation: 92-83=9 Exploring Operation: 92-88=4, Resulting Numbers: [83, 4] Generated Node #0,0,1: 83:[83, 4] Operation: 92-88=4 Exploring Operation: 83+92=175, Resulting Numbers: [88, 175] Generated Node #0,0,2: 83:[88, 175] Operation: 83+92=175 Exploring Operation: 83+88=171, Resulting Numbers: [92, 171] Generated Node #0,0,3: 83:[92, 171] Operation: 83+88=171 Exploring Operation: 88-83=5, Resulting Numbers: [92, 5] Generated Node #0,0,4: 83:[92, 5] Operation: 88-83=5 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 83:[88, 9], Operations: ['92-4=88', '92-83=9'] Exploring Operation: 88+9=97, Resulting Numbers: [97] 97,83 unequal: No Solution Exploring Operation: 88-9=79, Resulting Numbers: [79] 79,83 unequal: No Solution Exploring Operation: 88*9=792, Resulting Numbers: [792] 792,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 83:[83, 4], Operations: ['92-4=88', '92-88=4'] Exploring Operation: 83-4=79, Resulting Numbers: [79] 79,83 unequal: No Solution Exploring Operation: 83*4=332, Resulting Numbers: [332] 332,83 unequal: No Solution Exploring Operation: 83+4=87, Resulting Numbers: [87] 87,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 83:[92, 5], Operations: ['92-4=88', '88-83=5'] Exploring Operation: 92+5=97, Resulting Numbers: [97] 97,83 unequal: No Solution Exploring Operation: 92*5=460, Resulting Numbers: [460] 460,83 unequal: No Solution Exploring Operation: 92-5=87, Resulting Numbers: [87] 87,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 83:[88, 175], Operations: ['92-4=88', '83+92=175'] Exploring Operation: 88+175=263, Resulting Numbers: [263] 263,83 unequal: No Solution Exploring Operation: 88*175=15400, Resulting Numbers: [15400] 15400,83 unequal: No Solution Exploring Operation: 175-88=87, Resulting Numbers: [87] 87,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 83:[92, 171], Operations: ['92-4=88', '83+88=171'] Exploring Operation: 171-92=79, Resulting Numbers: [79] 79,83 unequal: No Solution Exploring Operation: 92*171=15732, Resulting Numbers: [15732] 15732,83 unequal: No Solution Exploring Operation: 92+171=263, Resulting Numbers: [263] 263,83 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: 83:[83, 92, 88], Operations: ['92-4=88'] Exploring Operation: 83+88=171, Resulting Numbers: [92, 171] Generated Node #0,2,0: 83:[92, 171] Operation: 83+88=171 Exploring Operation: 92-88=4, Resulting Numbers: [83, 4] Generated Node #0,2,1: 83:[83, 4] Operation: 92-88=4 Exploring Operation: 88-83=5, Resulting Numbers: [92, 5] Generated Node #0,2,2: 83:[92, 5] Operation: 88-83=5 Exploring Operation: 92-83=9, Resulting Numbers: [88, 9] Generated Node #0,2,3: 83:[88, 9] Operation: 92-83=9 Exploring Operation: 83+92=175, Resulting Numbers: [88, 175] Generated Node #0,2,4: 83:[88, 175] Operation: 83+92=175 Moving to Node #0,1 Current State: 83:[92, 92, 87], Operations: ['83+4=87'] Exploring Operation: 92-87=5, Resulting Numbers: [92, 5] Generated Node #0,1,0: 83:[92, 5] Operation: 92-87=5 Exploring Operation: 92/92=1, Resulting Numbers: [87, 1] Generated Node #0,1,1: 83:[87, 1] Operation: 92/92=1 Exploring Operation: 92-92=0, Resulting Numbers: [87, 0] Generated Node #0,1,2: 83:[87, 0] Operation: 92-92=0 Exploring Operation: 92-87=5, Resulting Numbers: [92, 5] Generated Node #0,1,3: 83:[92, 5] Operation: 92-87=5 Exploring Operation: 92+92=184, Resulting Numbers: [87, 184] Generated Node #0,1,4: 83:[87, 184] Operation: 92+92=184 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 83:[87, 1], Operations: ['83+4=87', '92/92=1'] Exploring Operation: 87*1=87, Resulting Numbers: [87] 87,83 unequal: No Solution Exploring Operation: 87-1=86, Resulting Numbers: [86] 86,83 unequal: No Solution Exploring Operation: 87/1=87, Resulting Numbers: [87] 87,83 unequal: No Solution Exploring Operation: 87+1=88, Resulting Numbers: [88] 88,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 83:[92, 5], Operations: ['83+4=87', '92-87=5'] Exploring Operation: 92-5=87, Resulting Numbers: [87] 87,83 unequal: No Solution Exploring Operation: 92*5=460, Resulting Numbers: [460] 460,83 unequal: No Solution Exploring Operation: 92+5=97, Resulting Numbers: [97] 97,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 83:[87, 0], Operations: ['83+4=87', '92-92=0'] Exploring Operation: 87+0=87, Resulting Numbers: [87] 87,83 unequal: No Solution Exploring Operation: 87*0=0, Resulting Numbers: [0] 0,83 unequal: No Solution Exploring Operation: 87-0=87, Resulting Numbers: [87] 87,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 83:[92, 5], Operations: ['83+4=87', '92-87=5'] Exploring Operation: 92-5=87, Resulting Numbers: [87] 87,83 unequal: No Solution Exploring Operation: 92+5=97, Resulting Numbers: [97] 97,83 unequal: No Solution Exploring Operation: 92*5=460, Resulting Numbers: [460] 460,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 83:[87, 184], Operations: ['83+4=87', '92+92=184'] Exploring Operation: 184-87=97, Resulting Numbers: [97] 97,83 unequal: No Solution Exploring Operation: 87+184=271, Resulting Numbers: [271] 271,83 unequal: No Solution Exploring Operation: 87*184=16008, Resulting Numbers: [16008] 16008,83 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: 83:[83, 92, 96], Operations: ['92+4=96'] Exploring Operation: 92-83=9, Resulting Numbers: [96, 9] Generated Node #0,3,0: 83:[96, 9] Operation: 92-83=9 Exploring Operation: 83+92=175, Resulting Numbers: [96, 175] Generated Node #0,3,1: 83:[96, 175] Operation: 83+92=175 Exploring Operation: 83+96=179, Resulting Numbers: [92, 179] Generated Node #0,3,2: 83:[92, 179] Operation: 83+96=179 Exploring Operation: 96-83=13, Resulting Numbers: [92, 13] Generated Node #0,3,3: 83:[92, 13] Operation: 96-83=13 Exploring Operation: 96-92=4, Resulting Numbers: [83, 4] Generated Node #0,3,4: 83:[83, 4] Operation: 96-92=4 Moving to Node #0,4 Current State: 83:[92, 92, 79], Operations: ['83-4=79'] Exploring Operation: 92/92=1, Resulting Numbers: [79, 1] Generated Node #0,4,0: 83:[79, 1] Operation: 92/92=1 Exploring Operation: 92+79=171, Resulting Numbers: [92, 171] Generated Node #0,4,1: 83:[92, 171] Operation: 92+79=171 Exploring Operation: 92-79=13, Resulting Numbers: [92, 13] Generated Node #0,4,2: 83:[92, 13] Operation: 92-79=13 Exploring Operation: 92-79=13, Resulting Numbers: [92, 13] Generated Node #0,4,3: 83:[92, 13] Operation: 92-79=13 Exploring Operation: 92-92=0, Resulting Numbers: [79, 0] Generated Node #0,4,4: 83:[79, 0] Operation: 92-92=0 Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 83:[92, 13], Operations: ['83-4=79', '92-79=13'] Exploring Operation: 92+13=105, Resulting Numbers: [105] 105,83 unequal: No Solution Exploring Operation: 92*13=1196, Resulting Numbers: [1196] 1196,83 unequal: No Solution Exploring Operation: 92-13=79, Resulting Numbers: [79] 79,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 83:[92, 13], Operations: ['83-4=79', '92-79=13'] Exploring Operation: 92*13=1196, Resulting Numbers: [1196] 1196,83 unequal: No Solution Exploring Operation: 92+13=105, Resulting Numbers: [105] 105,83 unequal: No Solution Exploring Operation: 92-13=79, Resulting Numbers: [79] 79,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 83:[79, 1], Operations: ['83-4=79', '92/92=1'] Exploring Operation: 79/1=79, Resulting Numbers: [79] 79,83 unequal: No Solution Exploring Operation: 79-1=78, Resulting Numbers: [78] 78,83 unequal: No Solution Exploring Operation: 79*1=79, Resulting Numbers: [79] 79,83 unequal: No Solution Exploring Operation: 79+1=80, Resulting Numbers: [80] 80,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 83:[79, 0], Operations: ['83-4=79', '92-92=0'] Exploring Operation: 79-0=79, Resulting Numbers: [79] 79,83 unequal: No Solution Exploring Operation: 79*0=0, Resulting Numbers: [0] 0,83 unequal: No Solution Exploring Operation: 79+0=79, Resulting Numbers: [79] 79,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 83:[92, 171], Operations: ['83-4=79', '92+79=171'] Exploring Operation: 171-92=79, Resulting Numbers: [79] 79,83 unequal: No Solution Exploring Operation: 92*171=15732, Resulting Numbers: [15732] 15732,83 unequal: No Solution Exploring Operation: 92+171=263, Resulting Numbers: [263] 263,83 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: 83:[83, 4], Operations: ['92-4=88', '92-88=4'] Exploring Operation: 83-4=79, Resulting Numbers: [79] 79,83 unequal: No Solution Exploring Operation: 83+4=87, Resulting Numbers: [87] 87,83 unequal: No Solution Exploring Operation: 83*4=332, Resulting Numbers: [332] 332,83 unequal: No Solution Moving to Node #0,3,3 Current State: 83:[92, 13], Operations: ['92+4=96', '96-83=13'] Exploring Operation: 92*13=1196, Resulting Numbers: [1196] 1196,83 unequal: No Solution Exploring Operation: 92-13=79, Resulting Numbers: [79] 79,83 unequal: No Solution Exploring Operation: 92+13=105, Resulting Numbers: [105] 105,83 unequal: No Solution Moving to Node #0,3,4 Current State: 83:[83, 4], Operations: ['92+4=96', '96-92=4'] Exploring Operation: 83+4=87, Resulting Numbers: [87] 87,83 unequal: No Solution Exploring Operation: 83*4=332, Resulting Numbers: [332] 332,83 unequal: No Solution Exploring Operation: 83-4=79, Resulting Numbers: [79] 79,83 unequal: No Solution Moving to Node #0,2,3 Current State: 83:[88, 9], Operations: ['92-4=88', '92-83=9'] Exploring Operation: 88+9=97, Resulting Numbers: [97] 97,83 unequal: No Solution Exploring Operation: 88*9=792, Resulting Numbers: [792] 792,83 unequal: No Solution Exploring Operation: 88-9=79, Resulting Numbers: [79] 79,83 unequal: No Solution Moving to Node #0,2,2 Current State: 83:[92, 5], Operations: ['92-4=88', '88-83=5'] Exploring Operation: 92+5=97, Resulting Numbers: [97] 97,83 unequal: No Solution Exploring Operation: 92*5=460, Resulting Numbers: [460] 460,83 unequal: No Solution Exploring Operation: 92-5=87, Resulting Numbers: [87] 87,83 unequal: No Solution Moving to Node #0,3,0 Current State: 83:[96, 9], Operations: ['92+4=96', '92-83=9'] Exploring Operation: 96+9=105, Resulting Numbers: [105] 105,83 unequal: No Solution Exploring Operation: 96*9=864, Resulting Numbers: [864] 864,83 unequal: No Solution Exploring Operation: 96-9=87, Resulting Numbers: [87] 87,83 unequal: No Solution Moving to Node #0,2,4 Current State: 83:[88, 175], Operations: ['92-4=88', '83+92=175'] Exploring Operation: 88+175=263, Resulting Numbers: [263] 263,83 unequal: No Solution Exploring Operation: 175-88=87, Resulting Numbers: [87] 87,83 unequal: No Solution Exploring Operation: 88*175=15400, Resulting Numbers: [15400] 15400,83 unequal: No Solution Moving to Node #0,2,0 Current State: 83:[92, 171], Operations: ['92-4=88', '83+88=171'] Exploring Operation: 92+171=263, Resulting Numbers: [263] 263,83 unequal: No Solution Exploring Operation: 171-92=79, Resulting Numbers: [79] 79,83 unequal: No Solution Exploring Operation: 92*171=15732, Resulting Numbers: [15732] 15732,83 unequal: No Solution Moving to Node #0,3,2 Current State: 83:[92, 179], Operations: ['92+4=96', '83+96=179'] Exploring Operation: 92*179=16468, Resulting Numbers: [16468] 16468,83 unequal: No Solution Exploring Operation: 179-92=87, Resulting Numbers: [87] 87,83 unequal: No Solution Exploring Operation: 92+179=271, Resulting Numbers: [271] 271,83 unequal: No Solution Moving to Node #0,3,1 Current State: 83:[96, 175], Operations: ['92+4=96', '83+92=175'] Exploring Operation: 96*175=16800, Resulting Numbers: [16800] 16800,83 unequal: No Solution Exploring Operation: 96+175=271, Resulting Numbers: [271] 271,83 unequal: No Solution Exploring Operation: 175-96=79, Resulting Numbers: [79] 79,83 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 51, 67, 24, 71 ]
63
[ "67-51=16", "71-24=47", "16+47=63" ]
Current State: 63:[51, 67, 24, 71], Operations: [] Exploring Operation: 67-51=16, Resulting Numbers: [24, 71, 16] Generated Node #2: [24, 71, 16] from Operation: 67-51=16 Current State: 63:[24, 71, 16], Operations: ['67-51=16'] Exploring Operation: 71-24=47, Resulting Numbers: [16, 47] Generated Node #3: [16, 47] from Operation: 71-24=47 Current State: 63:[16, 47], Operations: ['67-51=16', '71-24=47'] Exploring Operation: 16+47=63, Resulting Numbers: [63] 63,63 equal: Goal Reached
4
Current State: 63:[51, 67, 24, 71], Operations: [] Exploring Operation: 71-51=20, Resulting Numbers: [67, 24, 20] Generated Node #0,0: 63:[67, 24, 20] Operation: 71-51=20 Exploring Operation: 67-51=16, Resulting Numbers: [24, 71, 16] Generated Node #0,1: 63:[24, 71, 16] Operation: 67-51=16 Moving to Node #0,0 Current State: 63:[67, 24, 20], Operations: ['71-51=20'] Exploring Operation: 67-20=47, Resulting Numbers: [24, 47] Generated Node #0,0,0: 63:[24, 47] Operation: 67-20=47 Exploring Operation: 24-20=4, Resulting Numbers: [67, 4] Generated Node #0,0,1: 63:[67, 4] Operation: 24-20=4 Moving to Node #0,1 Current State: 63:[24, 71, 16], Operations: ['67-51=16'] Exploring Operation: 71-16=55, Resulting Numbers: [24, 55] Generated Node #0,1,0: 63:[24, 55] Operation: 71-16=55 Exploring Operation: 24-16=8, Resulting Numbers: [71, 8] Generated Node #0,1,1: 63:[71, 8] Operation: 24-16=8 Moving to Node #0,0,1 Current State: 63:[67, 4], Operations: ['71-51=20', '24-20=4'] Exploring Operation: 67+4=71, Resulting Numbers: [71] 71,63 unequal: No Solution Exploring Operation: 67-4=63, Resulting Numbers: [63] 63,63 equal: Goal Reached Moving to Node #0 Current State: 63:[51, 67, 24, 71], Operations: [] Exploring Operation: 71-51=20, Resulting Numbers: [67, 24, 20] Generated Node #0,0: 63:[67, 24, 20] Operation: 71-51=20 Moving to Node #0,0 Current State: 63:[67, 24, 20], Operations: ['71-51=20'] Exploring Operation: 24-20=4, Resulting Numbers: [67, 4] Generated Node #0,0,1: 63:[67, 4] Operation: 24-20=4 Moving to Node #0,0,1 Current State: 63:[67, 4], Operations: ['71-51=20', '24-20=4'] Exploring Operation: 67-4=63, Resulting Numbers: [63] 63,63 equal: Goal Reached
0.989583
hs_2
sum_heuristic
[ 22, 25, 47, 61 ]
60
[ "22+25=47", "47/47=1", "61-1=60" ]
Current State: 60:[22, 25, 47, 61], Operations: [] Exploring Operation: 22+25=47, Resulting Numbers: [47, 61, 47] Generated Node #2: [47, 61, 47] from Operation: 22+25=47 Current State: 60:[47, 61, 47], Operations: ['22+25=47'] Exploring Operation: 47/47=1, Resulting Numbers: [61, 1] Generated Node #3: [61, 1] from Operation: 47/47=1 Current State: 60:[61, 1], Operations: ['22+25=47', '47/47=1'] Exploring Operation: 61-1=60, Resulting Numbers: [60] 60,60 equal: Goal Reached
4
Current State: 60:[22, 25, 47, 61], Operations: [] Exploring Operation: 61-47=14, Resulting Numbers: [22, 25, 14] Generated Node #0,0: 60:[22, 25, 14] Operation: 61-47=14 Exploring Operation: 47-25=22, Resulting Numbers: [22, 61, 22] Generated Node #0,1: 60:[22, 61, 22] Operation: 47-25=22 Exploring Operation: 25-22=3, Resulting Numbers: [47, 61, 3] Generated Node #0,2: 60:[47, 61, 3] Operation: 25-22=3 Exploring Operation: 47-22=25, Resulting Numbers: [25, 61, 25] Generated Node #0,3: 60:[25, 61, 25] Operation: 47-22=25 Moving to Node #0,1 Current State: 60:[22, 61, 22], Operations: ['47-25=22'] Exploring Operation: 61-22=39, Resulting Numbers: [22, 39] Generated Node #0,1,0: 60:[22, 39] Operation: 61-22=39 Exploring Operation: 22/22=1, Resulting Numbers: [61, 1] Generated Node #0,1,1: 60:[61, 1] Operation: 22/22=1 Exploring Operation: 22-22=0, Resulting Numbers: [61, 0] Generated Node #0,1,2: 60:[61, 0] Operation: 22-22=0 Exploring Operation: 61-22=39, Resulting Numbers: [22, 39] Generated Node #0,1,3: 60:[22, 39] Operation: 61-22=39 Moving to Node #0,0 Current State: 60:[22, 25, 14], Operations: ['61-47=14'] Exploring Operation: 25-14=11, Resulting Numbers: [22, 11] Generated Node #0,0,0: 60:[22, 11] Operation: 25-14=11 Exploring Operation: 22+14=36, Resulting Numbers: [25, 36] Generated Node #0,0,1: 60:[25, 36] Operation: 22+14=36 Exploring Operation: 22-14=8, Resulting Numbers: [25, 8] Generated Node #0,0,2: 60:[25, 8] Operation: 22-14=8 Exploring Operation: 25-22=3, Resulting Numbers: [14, 3] Generated Node #0,0,3: 60:[14, 3] Operation: 25-22=3 Moving to Node #0,3 Current State: 60:[25, 61, 25], Operations: ['47-22=25'] Exploring Operation: 25/25=1, Resulting Numbers: [61, 1] Generated Node #0,3,0: 60:[61, 1] Operation: 25/25=1 Exploring Operation: 25+25=50, Resulting Numbers: [61, 50] Generated Node #0,3,1: 60:[61, 50] Operation: 25+25=50 Exploring Operation: 61-25=36, Resulting Numbers: [25, 36] Generated Node #0,3,2: 60:[25, 36] Operation: 61-25=36 Exploring Operation: 25-25=0, Resulting Numbers: [61, 0] Generated Node #0,3,3: 60:[61, 0] Operation: 25-25=0 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 60:[61, 1], Operations: ['47-22=25', '25/25=1'] Exploring Operation: 61/1=61, Resulting Numbers: [61] 61,60 unequal: No Solution Exploring Operation: 61+1=62, Resulting Numbers: [62] 62,60 unequal: No Solution Exploring Operation: 61-1=60, Resulting Numbers: [60] 60,60 equal: Goal Reached Moving to Node #0 Current State: 60:[22, 25, 47, 61], Operations: [] Exploring Operation: 47-22=25, Resulting Numbers: [25, 61, 25] Generated Node #0,3: 60:[25, 61, 25] Operation: 47-22=25 Moving to Node #0,3 Current State: 60:[25, 61, 25], Operations: ['47-22=25'] Exploring Operation: 25/25=1, Resulting Numbers: [61, 1] Generated Node #0,3,0: 60:[61, 1] Operation: 25/25=1 Moving to Node #0,3,0 Current State: 60:[61, 1], Operations: ['47-22=25', '25/25=1'] Exploring Operation: 61-1=60, Resulting Numbers: [60] 60,60 equal: Goal Reached Exit Sub Search at level 1
0.980035
hs_4
mult_heuristic
[ 31, 12, 3, 60 ]
12
[ "12*3=36", "36-31=5", "60/5=12" ]
Current State: 12:[31, 12, 3, 60], Operations: [] Exploring Operation: 12*3=36, Resulting Numbers: [31, 60, 36] Generated Node #2: [31, 60, 36] from Operation: 12*3=36 Current State: 12:[31, 60, 36], Operations: ['12*3=36'] Exploring Operation: 36-31=5, Resulting Numbers: [60, 5] Generated Node #3: [60, 5] from Operation: 36-31=5 Current State: 12:[60, 5], Operations: ['12*3=36', '36-31=5'] Exploring Operation: 60/5=12, Resulting Numbers: [12] 12,12 equal: Goal Reached
4
Current State: 12:[31, 12, 3, 60], Operations: [] Exploring Operation: 60-31=29, Resulting Numbers: [12, 3, 29] Generated Node #0,0: 12:[12, 3, 29] Operation: 60-31=29 Moving to Node #0,0 Current State: 12:[12, 3, 29], Operations: ['60-31=29'] Exploring Operation: 29-12=17, Resulting Numbers: [3, 17] Generated Node #0,0,0: 12:[3, 17] Operation: 29-12=17 Moving to Node #0,0,0 Current State: 12:[3, 17], Operations: ['60-31=29', '29-12=17'] Exploring Operation: 17-3=14, Resulting Numbers: [14] 14,12 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 60, 90, 84, 54 ]
12
[ "60+90=150", "84+54=138", "150-138=12" ]
Current State: 12:[60, 90, 84, 54], Operations: [] Exploring Operation: 60+90=150, Resulting Numbers: [84, 54, 150] Generated Node #2: [84, 54, 150] from Operation: 60+90=150 Current State: 12:[84, 54, 150], Operations: ['60+90=150'] Exploring Operation: 84+54=138, Resulting Numbers: [150, 138] Generated Node #3: [150, 138] from Operation: 84+54=138 Current State: 12:[150, 138], Operations: ['60+90=150', '84+54=138'] Exploring Operation: 150-138=12, Resulting Numbers: [12] 12,12 equal: Goal Reached
4
Current State: 12:[60, 90, 84, 54], Operations: [] Exploring Operation: 90-60=30, Resulting Numbers: [84, 54, 30] Generated Node #0,0: 12:[84, 54, 30] Operation: 90-60=30 Exploring Operation: 90-84=6, Resulting Numbers: [60, 54, 6] Generated Node #0,1: 12:[60, 54, 6] Operation: 90-84=6 Exploring Operation: 84-60=24, Resulting Numbers: [90, 54, 24] Generated Node #0,2: 12:[90, 54, 24] Operation: 84-60=24 Exploring Operation: 90-54=36, Resulting Numbers: [60, 84, 36] Generated Node #0,3: 12:[60, 84, 36] Operation: 90-54=36 Moving to Node #0,1 Current State: 12:[60, 54, 6], Operations: ['90-84=6'] Exploring Operation: 60/6=10, Resulting Numbers: [54, 10] Generated Node #0,1,0: 12:[54, 10] Operation: 60/6=10 Exploring Operation: 60-6=54, Resulting Numbers: [54, 54] Generated Node #0,1,1: 12:[54, 54] Operation: 60-6=54 Exploring Operation: 54/6=9, Resulting Numbers: [60, 9] Generated Node #0,1,2: 12:[60, 9] Operation: 54/6=9 Exploring Operation: 60-54=6, Resulting Numbers: [6, 6] Generated Node #0,1,3: 12:[6, 6] Operation: 60-54=6 Moving to Node #0,2 Current State: 12:[90, 54, 24], Operations: ['84-60=24'] Exploring Operation: 54-24=30, Resulting Numbers: [90, 30] Generated Node #0,2,0: 12:[90, 30] Operation: 54-24=30 Exploring Operation: 90+54=144, Resulting Numbers: [24, 144] Generated Node #0,2,1: 12:[24, 144] Operation: 90+54=144 Exploring Operation: 90-24=66, Resulting Numbers: [54, 66] Generated Node #0,2,2: 12:[54, 66] Operation: 90-24=66 Exploring Operation: 90-54=36, Resulting Numbers: [24, 36] Generated Node #0,2,3: 12:[24, 36] Operation: 90-54=36 Moving to Node #0,0 Current State: 12:[84, 54, 30], Operations: ['90-60=30'] Exploring Operation: 84-54=30, Resulting Numbers: [30, 30] Generated Node #0,0,0: 12:[30, 30] Operation: 84-54=30 Exploring Operation: 54-30=24, Resulting Numbers: [84, 24] Generated Node #0,0,1: 12:[84, 24] Operation: 54-30=24 Exploring Operation: 84+54=138, Resulting Numbers: [30, 138] Generated Node #0,0,2: 12:[30, 138] Operation: 84+54=138 Exploring Operation: 84-30=54, Resulting Numbers: [54, 54] Generated Node #0,0,3: 12:[54, 54] Operation: 84-30=54 Moving to Node #0,3 Current State: 12:[60, 84, 36], Operations: ['90-54=36'] Exploring Operation: 84-36=48, Resulting Numbers: [60, 48] Generated Node #0,3,0: 12:[60, 48] Operation: 84-36=48 Exploring Operation: 84-60=24, Resulting Numbers: [36, 24] Generated Node #0,3,1: 12:[36, 24] Operation: 84-60=24 Exploring Operation: 60+84=144, Resulting Numbers: [36, 144] Generated Node #0,3,2: 12:[36, 144] Operation: 60+84=144 Exploring Operation: 60-36=24, Resulting Numbers: [84, 24] Generated Node #0,3,3: 12:[84, 24] Operation: 60-36=24 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 12:[36, 24], Operations: ['90-54=36', '84-60=24'] Exploring Operation: 36-24=12, Resulting Numbers: [12] 12,12 equal: Goal Reached Moving to Node #0 Current State: 12:[60, 90, 84, 54], Operations: [] Exploring Operation: 90-54=36, Resulting Numbers: [60, 84, 36] Generated Node #0,3: 12:[60, 84, 36] Operation: 90-54=36 Moving to Node #0,3 Current State: 12:[60, 84, 36], Operations: ['90-54=36'] Exploring Operation: 84-60=24, Resulting Numbers: [36, 24] Generated Node #0,3,1: 12:[36, 24] Operation: 84-60=24 Moving to Node #0,3,1 Current State: 12:[36, 24], Operations: ['90-54=36', '84-60=24'] Exploring Operation: 36-24=12, Resulting Numbers: [12] 12,12 equal: Goal Reached Exit Sub Search at level 1
0.978299
hs_4
mult_heuristic
[ 66, 95, 54, 4 ]
36
[ "66*54=3564", "95+4=99", "3564/99=36" ]
Current State: 36:[66, 95, 54, 4], Operations: [] Exploring Operation: 66*54=3564, Resulting Numbers: [95, 4, 3564] Generated Node #2: [95, 4, 3564] from Operation: 66*54=3564 Current State: 36:[95, 4, 3564], Operations: ['66*54=3564'] Exploring Operation: 95+4=99, Resulting Numbers: [3564, 99] Generated Node #3: [3564, 99] from Operation: 95+4=99 Current State: 36:[3564, 99], Operations: ['66*54=3564', '95+4=99'] Exploring Operation: 3564/99=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
4
Current State: 36:[66, 95, 54, 4], Operations: [] Exploring Operation: 95-66=29, Resulting Numbers: [54, 4, 29] Generated Node #0,0: 36:[54, 4, 29] Operation: 95-66=29 Exploring Operation: 95-54=41, Resulting Numbers: [66, 4, 41] Generated Node #0,1: 36:[66, 4, 41] Operation: 95-54=41 Exploring Operation: 66-54=12, Resulting Numbers: [95, 4, 12] Generated Node #0,2: 36:[95, 4, 12] Operation: 66-54=12 Moving to Node #0,0 Current State: 36:[54, 4, 29], Operations: ['95-66=29'] Exploring Operation: 54-29=25, Resulting Numbers: [4, 25] Generated Node #0,0,0: 36:[4, 25] Operation: 54-29=25 Exploring Operation: 54-4=50, Resulting Numbers: [29, 50] Generated Node #0,0,1: 36:[29, 50] Operation: 54-4=50 Exploring Operation: 4+29=33, Resulting Numbers: [54, 33] Generated Node #0,0,2: 36:[54, 33] Operation: 4+29=33 Moving to Node #0,1 Current State: 36:[66, 4, 41], Operations: ['95-54=41'] Exploring Operation: 41-4=37, Resulting Numbers: [66, 37] Generated Node #0,1,0: 36:[66, 37] Operation: 41-4=37 Exploring Operation: 66-41=25, Resulting Numbers: [4, 25] Generated Node #0,1,1: 36:[4, 25] Operation: 66-41=25 Exploring Operation: 66-4=62, Resulting Numbers: [41, 62] Generated Node #0,1,2: 36:[41, 62] Operation: 66-4=62 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 36:[4, 25], Operations: ['95-54=41', '66-41=25'] Exploring Operation: 4*25=100, Resulting Numbers: [100] 100,36 unequal: No Solution Exploring Operation: 4+25=29, Resulting Numbers: [29] 29,36 unequal: No Solution Exploring Operation: 25-4=21, Resulting Numbers: [21] 21,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 36:[66, 37], Operations: ['95-54=41', '41-4=37'] Exploring Operation: 66+37=103, Resulting Numbers: [103] 103,36 unequal: No Solution Exploring Operation: 66*37=2442, Resulting Numbers: [2442] 2442,36 unequal: No Solution Exploring Operation: 66-37=29, Resulting Numbers: [29] 29,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 36:[41, 62], Operations: ['95-54=41', '66-4=62'] Exploring Operation: 41*62=2542, Resulting Numbers: [2542] 2542,36 unequal: No Solution Exploring Operation: 41+62=103, Resulting Numbers: [103] 103,36 unequal: No Solution Exploring Operation: 62-41=21, Resulting Numbers: [21] 21,36 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: 36:[95, 4, 12], Operations: ['66-54=12'] Exploring Operation: 95-4=91, Resulting Numbers: [12, 91] Generated Node #0,2,0: 36:[12, 91] Operation: 95-4=91 Exploring Operation: 95-12=83, Resulting Numbers: [4, 83] Generated Node #0,2,1: 36:[4, 83] Operation: 95-12=83 Exploring Operation: 12/4=3, Resulting Numbers: [95, 3] Generated Node #0,2,2: 36:[95, 3] Operation: 12/4=3 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 36:[4, 83], Operations: ['66-54=12', '95-12=83'] Exploring Operation: 4*83=332, Resulting Numbers: [332] 332,36 unequal: No Solution Exploring Operation: 4+83=87, Resulting Numbers: [87] 87,36 unequal: No Solution Exploring Operation: 83-4=79, Resulting Numbers: [79] 79,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 36:[12, 91], Operations: ['66-54=12', '95-4=91'] Exploring Operation: 12*91=1092, Resulting Numbers: [1092] 1092,36 unequal: No Solution Exploring Operation: 91-12=79, Resulting Numbers: [79] 79,36 unequal: No Solution Exploring Operation: 12+91=103, Resulting Numbers: [103] 103,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 36:[95, 3], Operations: ['66-54=12', '12/4=3'] Exploring Operation: 95-3=92, Resulting Numbers: [92] 92,36 unequal: No Solution Exploring Operation: 95+3=98, Resulting Numbers: [98] 98,36 unequal: No Solution Exploring Operation: 95*3=285, Resulting Numbers: [285] 285,36 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: 36:[4, 25], Operations: ['95-66=29', '54-29=25'] Exploring Operation: 25-4=21, Resulting Numbers: [21] 21,36 unequal: No Solution Exploring Operation: 4+25=29, Resulting Numbers: [29] 29,36 unequal: No Solution Exploring Operation: 4*25=100, Resulting Numbers: [100] 100,36 unequal: No Solution Moving to Node #0,0,1 Current State: 36:[29, 50], Operations: ['95-66=29', '54-4=50'] Exploring Operation: 29*50=1450, Resulting Numbers: [1450] 1450,36 unequal: No Solution Exploring Operation: 29+50=79, Resulting Numbers: [79] 79,36 unequal: No Solution Exploring Operation: 50-29=21, Resulting Numbers: [21] 21,36 unequal: No Solution Moving to Node #0,0,2 Current State: 36:[54, 33], Operations: ['95-66=29', '4+29=33'] Exploring Operation: 54*33=1782, Resulting Numbers: [1782] 1782,36 unequal: No Solution Exploring Operation: 54-33=21, Resulting Numbers: [21] 21,36 unequal: No Solution Exploring Operation: 54+33=87, Resulting Numbers: [87] 87,36 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 70, 95, 34, 15 ]
74
[ "95-70=25", "34+15=49", "25+49=74" ]
Current State: 74:[70, 95, 34, 15], Operations: [] Exploring Operation: 95-70=25, Resulting Numbers: [34, 15, 25] Generated Node #2: [34, 15, 25] from Operation: 95-70=25 Current State: 74:[34, 15, 25], Operations: ['95-70=25'] Exploring Operation: 34+15=49, Resulting Numbers: [25, 49] Generated Node #3: [25, 49] from Operation: 34+15=49 Current State: 74:[25, 49], Operations: ['95-70=25', '34+15=49'] Exploring Operation: 25+49=74, Resulting Numbers: [74] 74,74 equal: Goal Reached
4
Current State: 74:[70, 95, 34, 15], Operations: [] Exploring Operation: 70+15=85, Resulting Numbers: [95, 34, 85] Generated Node #0,0: 74:[95, 34, 85] Operation: 70+15=85 Exploring Operation: 95-70=25, Resulting Numbers: [34, 15, 25] Generated Node #0,1: 74:[34, 15, 25] Operation: 95-70=25 Exploring Operation: 95-34=61, Resulting Numbers: [70, 15, 61] Generated Node #0,2: 74:[70, 15, 61] Operation: 95-34=61 Exploring Operation: 95-15=80, Resulting Numbers: [70, 34, 80] Generated Node #0,3: 74:[70, 34, 80] Operation: 95-15=80 Exploring Operation: 70-34=36, Resulting Numbers: [95, 15, 36] Generated Node #0,4: 74:[95, 15, 36] Operation: 70-34=36 Moving to Node #0,3 Current State: 74:[70, 34, 80], Operations: ['95-15=80'] Exploring Operation: 70+34=104, Resulting Numbers: [80, 104] Generated Node #0,3,0: 74:[80, 104] Operation: 70+34=104 Exploring Operation: 70-34=36, Resulting Numbers: [80, 36] Generated Node #0,3,1: 74:[80, 36] Operation: 70-34=36 Exploring Operation: 80-34=46, Resulting Numbers: [70, 46] Generated Node #0,3,2: 74:[70, 46] Operation: 80-34=46 Exploring Operation: 34+80=114, Resulting Numbers: [70, 114] Generated Node #0,3,3: 74:[70, 114] Operation: 34+80=114 Exploring Operation: 80-70=10, Resulting Numbers: [34, 10] Generated Node #0,3,4: 74:[34, 10] Operation: 80-70=10 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 74:[80, 36], Operations: ['95-15=80', '70-34=36'] Exploring Operation: 80+36=116, Resulting Numbers: [116] 116,74 unequal: No Solution Exploring Operation: 80-36=44, Resulting Numbers: [44] 44,74 unequal: No Solution Exploring Operation: 80*36=2880, Resulting Numbers: [2880] 2880,74 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 74:[34, 10], Operations: ['95-15=80', '80-70=10'] Exploring Operation: 34-10=24, Resulting Numbers: [24] 24,74 unequal: No Solution Exploring Operation: 34+10=44, Resulting Numbers: [44] 44,74 unequal: No Solution Exploring Operation: 34*10=340, Resulting Numbers: [340] 340,74 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 74:[70, 46], Operations: ['95-15=80', '80-34=46'] Exploring Operation: 70-46=24, Resulting Numbers: [24] 24,74 unequal: No Solution Exploring Operation: 70+46=116, Resulting Numbers: [116] 116,74 unequal: No Solution Exploring Operation: 70*46=3220, Resulting Numbers: [3220] 3220,74 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 74:[80, 104], Operations: ['95-15=80', '70+34=104'] Exploring Operation: 104-80=24, Resulting Numbers: [24] 24,74 unequal: No Solution Exploring Operation: 80+104=184, Resulting Numbers: [184] 184,74 unequal: No Solution Exploring Operation: 80*104=8320, Resulting Numbers: [8320] 8320,74 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 74:[70, 114], Operations: ['95-15=80', '34+80=114'] Exploring Operation: 70*114=7980, Resulting Numbers: [7980] 7980,74 unequal: No Solution Exploring Operation: 70+114=184, Resulting Numbers: [184] 184,74 unequal: No Solution Exploring Operation: 114-70=44, Resulting Numbers: [44] 44,74 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 74:[34, 15, 25], Operations: ['95-70=25'] Exploring Operation: 25-15=10, Resulting Numbers: [34, 10] Generated Node #0,1,0: 74:[34, 10] Operation: 25-15=10 Exploring Operation: 34-25=9, Resulting Numbers: [15, 9] Generated Node #0,1,1: 74:[15, 9] Operation: 34-25=9 Exploring Operation: 34+15=49, Resulting Numbers: [25, 49] Generated Node #0,1,2: 74:[25, 49] Operation: 34+15=49 Exploring Operation: 34+25=59, Resulting Numbers: [15, 59] Generated Node #0,1,3: 74:[15, 59] Operation: 34+25=59 Exploring Operation: 15+25=40, Resulting Numbers: [34, 40] Generated Node #0,1,4: 74:[34, 40] Operation: 15+25=40 Moving to Node #0,2 Current State: 74:[70, 15, 61], Operations: ['95-34=61'] Exploring Operation: 70+15=85, Resulting Numbers: [61, 85] Generated Node #0,2,0: 74:[61, 85] Operation: 70+15=85 Exploring Operation: 70-61=9, Resulting Numbers: [15, 9] Generated Node #0,2,1: 74:[15, 9] Operation: 70-61=9 Exploring Operation: 61-15=46, Resulting Numbers: [70, 46] Generated Node #0,2,2: 74:[70, 46] Operation: 61-15=46 Exploring Operation: 70-15=55, Resulting Numbers: [61, 55] Generated Node #0,2,3: 74:[61, 55] Operation: 70-15=55 Exploring Operation: 15+61=76, Resulting Numbers: [70, 76] Generated Node #0,2,4: 74:[70, 76] Operation: 15+61=76 Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 74:[70, 76], Operations: ['95-34=61', '15+61=76'] Exploring Operation: 70*76=5320, Resulting Numbers: [5320] 5320,74 unequal: No Solution Exploring Operation: 70+76=146, Resulting Numbers: [146] 146,74 unequal: No Solution Exploring Operation: 76-70=6, Resulting Numbers: [6] 6,74 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 74:[70, 46], Operations: ['95-34=61', '61-15=46'] Exploring Operation: 70*46=3220, Resulting Numbers: [3220] 3220,74 unequal: No Solution Exploring Operation: 70-46=24, Resulting Numbers: [24] 24,74 unequal: No Solution Exploring Operation: 70+46=116, Resulting Numbers: [116] 116,74 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 74:[15, 9], Operations: ['95-34=61', '70-61=9'] Exploring Operation: 15*9=135, Resulting Numbers: [135] 135,74 unequal: No Solution Exploring Operation: 15+9=24, Resulting Numbers: [24] 24,74 unequal: No Solution Exploring Operation: 15-9=6, Resulting Numbers: [6] 6,74 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 74:[61, 85], Operations: ['95-34=61', '70+15=85'] Exploring Operation: 61+85=146, Resulting Numbers: [146] 146,74 unequal: No Solution Exploring Operation: 61*85=5185, Resulting Numbers: [5185] 5185,74 unequal: No Solution Exploring Operation: 85-61=24, Resulting Numbers: [24] 24,74 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 74:[61, 55], Operations: ['95-34=61', '70-15=55'] Exploring Operation: 61-55=6, Resulting Numbers: [6] 6,74 unequal: No Solution Exploring Operation: 61+55=116, Resulting Numbers: [116] 116,74 unequal: No Solution Exploring Operation: 61*55=3355, Resulting Numbers: [3355] 3355,74 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: 74:[95, 34, 85], Operations: ['70+15=85'] Exploring Operation: 95-85=10, Resulting Numbers: [34, 10] Generated Node #0,0,0: 74:[34, 10] Operation: 95-85=10 Exploring Operation: 34+85=119, Resulting Numbers: [95, 119] Generated Node #0,0,1: 74:[95, 119] Operation: 34+85=119 Exploring Operation: 95-34=61, Resulting Numbers: [85, 61] Generated Node #0,0,2: 74:[85, 61] Operation: 95-34=61 Exploring Operation: 95+34=129, Resulting Numbers: [85, 129] Generated Node #0,0,3: 74:[85, 129] Operation: 95+34=129 Exploring Operation: 85-34=51, Resulting Numbers: [95, 51] Generated Node #0,0,4: 74:[95, 51] Operation: 85-34=51 Moving to Node #0,4 Current State: 74:[95, 15, 36], Operations: ['70-34=36'] Exploring Operation: 36-15=21, Resulting Numbers: [95, 21] Generated Node #0,4,0: 74:[95, 21] Operation: 36-15=21 Exploring Operation: 95+15=110, Resulting Numbers: [36, 110] Generated Node #0,4,1: 74:[36, 110] Operation: 95+15=110 Exploring Operation: 95-15=80, Resulting Numbers: [36, 80] Generated Node #0,4,2: 74:[36, 80] Operation: 95-15=80 Exploring Operation: 15+36=51, Resulting Numbers: [95, 51] Generated Node #0,4,3: 74:[95, 51] Operation: 15+36=51 Exploring Operation: 95-36=59, Resulting Numbers: [15, 59] Generated Node #0,4,4: 74:[15, 59] Operation: 95-36=59 Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 74:[36, 80], Operations: ['70-34=36', '95-15=80'] Exploring Operation: 36+80=116, Resulting Numbers: [116] 116,74 unequal: No Solution Exploring Operation: 80-36=44, Resulting Numbers: [44] 44,74 unequal: No Solution Exploring Operation: 36*80=2880, Resulting Numbers: [2880] 2880,74 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 74:[15, 59], Operations: ['70-34=36', '95-36=59'] Exploring Operation: 15+59=74, Resulting Numbers: [74] 74,74 equal: Goal Reached Moving to Node #0 Current State: 74:[70, 95, 34, 15], Operations: [] Exploring Operation: 70-34=36, Resulting Numbers: [95, 15, 36] Generated Node #0,4: 74:[95, 15, 36] Operation: 70-34=36 Moving to Node #0,4 Current State: 74:[95, 15, 36], Operations: ['70-34=36'] Exploring Operation: 95-36=59, Resulting Numbers: [15, 59] Generated Node #0,4,4: 74:[15, 59] Operation: 95-36=59 Moving to Node #0,4,4 Current State: 74:[15, 59], Operations: ['70-34=36', '95-36=59'] Exploring Operation: 15+59=74, Resulting Numbers: [74] 74,74 equal: Goal Reached Exit Sub Search at level 1
0.940972
hs_5
sum_heuristic
[ 70, 18, 82, 44 ]
63
[ "82+44=126", "126/18=7", "70-7=63" ]
Current State: 63:[70, 18, 82, 44], Operations: [] Exploring Operation: 82+44=126, Resulting Numbers: [70, 18, 126] Generated Node #2: [70, 18, 126] from Operation: 82+44=126 Current State: 63:[70, 18, 126], Operations: ['82+44=126'] Exploring Operation: 126/18=7, Resulting Numbers: [70, 7] Generated Node #3: [70, 7] from Operation: 126/18=7 Current State: 63:[70, 7], Operations: ['82+44=126', '126/18=7'] Exploring Operation: 70-7=63, Resulting Numbers: [63] 63,63 equal: Goal Reached
4
Current State: 63:[70, 18, 82, 44], Operations: [] Exploring Operation: 82-70=12, Resulting Numbers: [18, 44, 12] Generated Node #0,0: 63:[18, 44, 12] Operation: 82-70=12 Exploring Operation: 82-44=38, Resulting Numbers: [70, 18, 38] Generated Node #0,1: 63:[70, 18, 38] Operation: 82-44=38 Exploring Operation: 70-44=26, Resulting Numbers: [18, 82, 26] Generated Node #0,2: 63:[18, 82, 26] Operation: 70-44=26 Exploring Operation: 18+44=62, Resulting Numbers: [70, 82, 62] Generated Node #0,3: 63:[70, 82, 62] Operation: 18+44=62 Exploring Operation: 82-18=64, Resulting Numbers: [70, 44, 64] Generated Node #0,4: 63:[70, 44, 64] Operation: 82-18=64 Start Sub Search at level 1: Moving to Node #0,0 Current State: 63:[18, 44, 12], Operations: ['82-70=12'] Exploring Operation: 44+12=56, Resulting Numbers: [18, 56] Generated Node #0,0,0: 63:[18, 56] Operation: 44+12=56 Exploring Operation: 44-12=32, Resulting Numbers: [18, 32] Generated Node #0,0,1: 63:[18, 32] Operation: 44-12=32 Exploring Operation: 44-18=26, Resulting Numbers: [12, 26] Generated Node #0,0,2: 63:[12, 26] Operation: 44-18=26 Exploring Operation: 18-12=6, Resulting Numbers: [44, 6] Generated Node #0,0,3: 63:[44, 6] Operation: 18-12=6 Exploring Operation: 18+44=62, Resulting Numbers: [12, 62] Generated Node #0,0,4: 63:[12, 62] Operation: 18+44=62 Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 63:[12, 62], Operations: ['82-70=12', '18+44=62'] Exploring Operation: 62-12=50, Resulting Numbers: [50] 50,63 unequal: No Solution Exploring Operation: 12+62=74, Resulting Numbers: [74] 74,63 unequal: No Solution Exploring Operation: 12*62=744, Resulting Numbers: [744] 744,63 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 63:[12, 26], Operations: ['82-70=12', '44-18=26'] Exploring Operation: 12+26=38, Resulting Numbers: [38] 38,63 unequal: No Solution Exploring Operation: 12*26=312, Resulting Numbers: [312] 312,63 unequal: No Solution Exploring Operation: 26-12=14, Resulting Numbers: [14] 14,63 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 63:[18, 56], Operations: ['82-70=12', '44+12=56'] Exploring Operation: 18+56=74, Resulting Numbers: [74] 74,63 unequal: No Solution Exploring Operation: 56-18=38, Resulting Numbers: [38] 38,63 unequal: No Solution Exploring Operation: 18*56=1008, Resulting Numbers: [1008] 1008,63 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 63:[18, 32], Operations: ['82-70=12', '44-12=32'] Exploring Operation: 18+32=50, Resulting Numbers: [50] 50,63 unequal: No Solution Exploring Operation: 32-18=14, Resulting Numbers: [14] 14,63 unequal: No Solution Exploring Operation: 18*32=576, Resulting Numbers: [576] 576,63 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 63:[44, 6], Operations: ['82-70=12', '18-12=6'] Exploring Operation: 44+6=50, Resulting Numbers: [50] 50,63 unequal: No Solution Exploring Operation: 44-6=38, Resulting Numbers: [38] 38,63 unequal: No Solution Exploring Operation: 44*6=264, Resulting Numbers: [264] 264,63 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 63:[70, 18, 38], Operations: ['82-44=38'] Exploring Operation: 18+38=56, Resulting Numbers: [70, 56] Generated Node #0,1,0: 63:[70, 56] Operation: 18+38=56 Exploring Operation: 70-38=32, Resulting Numbers: [18, 32] Generated Node #0,1,1: 63:[18, 32] Operation: 70-38=32 Exploring Operation: 70-18=52, Resulting Numbers: [38, 52] Generated Node #0,1,2: 63:[38, 52] Operation: 70-18=52 Exploring Operation: 70+18=88, Resulting Numbers: [38, 88] Generated Node #0,1,3: 63:[38, 88] Operation: 70+18=88 Exploring Operation: 38-18=20, Resulting Numbers: [70, 20] Generated Node #0,1,4: 63:[70, 20] Operation: 38-18=20 Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 63:[70, 20], Operations: ['82-44=38', '38-18=20'] Exploring Operation: 70-20=50, Resulting Numbers: [50] 50,63 unequal: No Solution Exploring Operation: 70*20=1400, Resulting Numbers: [1400] 1400,63 unequal: No Solution Exploring Operation: 70+20=90, Resulting Numbers: [90] 90,63 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 63:[70, 56], Operations: ['82-44=38', '18+38=56'] Exploring Operation: 70+56=126, Resulting Numbers: [126] 126,63 unequal: No Solution Exploring Operation: 70-56=14, Resulting Numbers: [14] 14,63 unequal: No Solution Exploring Operation: 70*56=3920, Resulting Numbers: [3920] 3920,63 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 63:[18, 32], Operations: ['82-44=38', '70-38=32'] Exploring Operation: 18+32=50, Resulting Numbers: [50] 50,63 unequal: No Solution Exploring Operation: 18*32=576, Resulting Numbers: [576] 576,63 unequal: No Solution Exploring Operation: 32-18=14, Resulting Numbers: [14] 14,63 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 63:[38, 52], Operations: ['82-44=38', '70-18=52'] Exploring Operation: 38*52=1976, Resulting Numbers: [1976] 1976,63 unequal: No Solution Exploring Operation: 38+52=90, Resulting Numbers: [90] 90,63 unequal: No Solution Exploring Operation: 52-38=14, Resulting Numbers: [14] 14,63 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 63:[38, 88], Operations: ['82-44=38', '70+18=88'] Exploring Operation: 38*88=3344, Resulting Numbers: [3344] 3344,63 unequal: No Solution Exploring Operation: 88-38=50, Resulting Numbers: [50] 50,63 unequal: No Solution Exploring Operation: 38+88=126, Resulting Numbers: [126] 126,63 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 63:[18, 82, 26], Operations: ['70-44=26'] Exploring Operation: 82-18=64, Resulting Numbers: [26, 64] Generated Node #0,2,0: 63:[26, 64] Operation: 82-18=64 Exploring Operation: 26-18=8, Resulting Numbers: [82, 8] Generated Node #0,2,1: 63:[82, 8] Operation: 26-18=8 Exploring Operation: 82-26=56, Resulting Numbers: [18, 56] Generated Node #0,2,2: 63:[18, 56] Operation: 82-26=56 Exploring Operation: 18+82=100, Resulting Numbers: [26, 100] Generated Node #0,2,3: 63:[26, 100] Operation: 18+82=100 Exploring Operation: 18+26=44, Resulting Numbers: [82, 44] Generated Node #0,2,4: 63:[82, 44] Operation: 18+26=44 Moving to Node #0,2,0 Current State: 63:[26, 64], Operations: ['70-44=26', '82-18=64'] Exploring Operation: 26+64=90, Resulting Numbers: [90] 90,63 unequal: No Solution Exploring Operation: 64-26=38, Resulting Numbers: [38] 38,63 unequal: No Solution Exploring Operation: 26*64=1664, Resulting Numbers: [1664] 1664,63 unequal: No Solution Moving to Node #0,2,2 Current State: 63:[18, 56], Operations: ['70-44=26', '82-26=56'] Exploring Operation: 18*56=1008, Resulting Numbers: [1008] 1008,63 unequal: No Solution Exploring Operation: 56-18=38, Resulting Numbers: [38] 38,63 unequal: No Solution Exploring Operation: 18+56=74, Resulting Numbers: [74] 74,63 unequal: No Solution Moving to Node #0,2,1 Current State: 63:[82, 8], Operations: ['70-44=26', '26-18=8'] Exploring Operation: 82+8=90, Resulting Numbers: [90] 90,63 unequal: No Solution Exploring Operation: 82-8=74, Resulting Numbers: [74] 74,63 unequal: No Solution Exploring Operation: 82*8=656, Resulting Numbers: [656] 656,63 unequal: No Solution Moving to Node #0,2,4 Current State: 63:[82, 44], Operations: ['70-44=26', '18+26=44'] Exploring Operation: 82-44=38, Resulting Numbers: [38] 38,63 unequal: No Solution Exploring Operation: 82*44=3608, Resulting Numbers: [3608] 3608,63 unequal: No Solution Exploring Operation: 82+44=126, Resulting Numbers: [126] 126,63 unequal: No Solution Moving to Node #0,2,3 Current State: 63:[26, 100], Operations: ['70-44=26', '18+82=100'] Exploring Operation: 26+100=126, Resulting Numbers: [126] 126,63 unequal: No Solution Exploring Operation: 100-26=74, Resulting Numbers: [74] 74,63 unequal: No Solution Exploring Operation: 26*100=2600, Resulting Numbers: [2600] 2600,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 63:[70, 82, 62], Operations: ['18+44=62'] Exploring Operation: 70+62=132, Resulting Numbers: [82, 132] Generated Node #0,3,0: 63:[82, 132] Operation: 70+62=132 Exploring Operation: 82-62=20, Resulting Numbers: [70, 20] Generated Node #0,3,1: 63:[70, 20] Operation: 82-62=20 Exploring Operation: 82+62=144, Resulting Numbers: [70, 144] Generated Node #0,3,2: 63:[70, 144] Operation: 82+62=144 Exploring Operation: 70-62=8, Resulting Numbers: [82, 8] Generated Node #0,3,3: 63:[82, 8] Operation: 70-62=8 Exploring Operation: 82-70=12, Resulting Numbers: [62, 12] Generated Node #0,3,4: 63:[62, 12] Operation: 82-70=12 Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 63:[62, 12], Operations: ['18+44=62', '82-70=12'] Exploring Operation: 62+12=74, Resulting Numbers: [74] 74,63 unequal: No Solution Exploring Operation: 62*12=744, Resulting Numbers: [744] 744,63 unequal: No Solution Exploring Operation: 62-12=50, Resulting Numbers: [50] 50,63 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 63:[70, 20], Operations: ['18+44=62', '82-62=20'] Exploring Operation: 70-20=50, Resulting Numbers: [50] 50,63 unequal: No Solution Exploring Operation: 70+20=90, Resulting Numbers: [90] 90,63 unequal: No Solution Exploring Operation: 70*20=1400, Resulting Numbers: [1400] 1400,63 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 63:[82, 8], Operations: ['18+44=62', '70-62=8'] Exploring Operation: 82+8=90, Resulting Numbers: [90] 90,63 unequal: No Solution Exploring Operation: 82-8=74, Resulting Numbers: [74] 74,63 unequal: No Solution Exploring Operation: 82*8=656, Resulting Numbers: [656] 656,63 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 63:[82, 132], Operations: ['18+44=62', '70+62=132'] Exploring Operation: 82+132=214, Resulting Numbers: [214] 214,63 unequal: No Solution Exploring Operation: 82*132=10824, Resulting Numbers: [10824] 10824,63 unequal: No Solution Exploring Operation: 132-82=50, Resulting Numbers: [50] 50,63 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 63:[70, 144], Operations: ['18+44=62', '82+62=144'] Exploring Operation: 70*144=10080, Resulting Numbers: [10080] 10080,63 unequal: No Solution Exploring Operation: 70+144=214, Resulting Numbers: [214] 214,63 unequal: No Solution Exploring Operation: 144-70=74, Resulting Numbers: [74] 74,63 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 63:[70, 44, 64], Operations: ['82-18=64'] Exploring Operation: 70+44=114, Resulting Numbers: [64, 114] Generated Node #0,4,0: 63:[64, 114] Operation: 70+44=114 Exploring Operation: 70-44=26, Resulting Numbers: [64, 26] Generated Node #0,4,1: 63:[64, 26] Operation: 70-44=26 Exploring Operation: 70-64=6, Resulting Numbers: [44, 6] Generated Node #0,4,2: 63:[44, 6] Operation: 70-64=6 Exploring Operation: 64-44=20, Resulting Numbers: [70, 20] Generated Node #0,4,3: 63:[70, 20] Operation: 64-44=20 Exploring Operation: 44+64=108, Resulting Numbers: [70, 108] Generated Node #0,4,4: 63:[70, 108] Operation: 44+64=108 Moving to Node #0,4,1 Current State: 63:[64, 26], Operations: ['82-18=64', '70-44=26'] Exploring Operation: 64*26=1664, Resulting Numbers: [1664] 1664,63 unequal: No Solution Exploring Operation: 64-26=38, Resulting Numbers: [38] 38,63 unequal: No Solution Exploring Operation: 64+26=90, Resulting Numbers: [90] 90,63 unequal: No Solution Moving to Node #0,4,3 Current State: 63:[70, 20], Operations: ['82-18=64', '64-44=20'] Exploring Operation: 70+20=90, Resulting Numbers: [90] 90,63 unequal: No Solution Exploring Operation: 70*20=1400, Resulting Numbers: [1400] 1400,63 unequal: No Solution Exploring Operation: 70-20=50, Resulting Numbers: [50] 50,63 unequal: No Solution Moving to Node #0,4,2 Current State: 63:[44, 6], Operations: ['82-18=64', '70-64=6'] Exploring Operation: 44+6=50, Resulting Numbers: [50] 50,63 unequal: No Solution Exploring Operation: 44-6=38, Resulting Numbers: [38] 38,63 unequal: No Solution Exploring Operation: 44*6=264, Resulting Numbers: [264] 264,63 unequal: No Solution Moving to Node #0,4,0 Current State: 63:[64, 114], Operations: ['82-18=64', '70+44=114'] Exploring Operation: 64*114=7296, Resulting Numbers: [7296] 7296,63 unequal: No Solution Exploring Operation: 64+114=178, Resulting Numbers: [178] 178,63 unequal: No Solution Exploring Operation: 114-64=50, Resulting Numbers: [50] 50,63 unequal: No Solution Moving to Node #0,4,4 Current State: 63:[70, 108], Operations: ['82-18=64', '44+64=108'] Exploring Operation: 70*108=7560, Resulting Numbers: [7560] 7560,63 unequal: No Solution Exploring Operation: 108-70=38, Resulting Numbers: [38] 38,63 unequal: No Solution Exploring Operation: 70+108=178, Resulting Numbers: [178] 178,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
sum_heuristic
[ 3, 77, 41, 7 ]
46
[ "3+77=80", "41-7=34", "80-34=46" ]
Current State: 46:[3, 77, 41, 7], Operations: [] Exploring Operation: 3+77=80, Resulting Numbers: [41, 7, 80] Generated Node #2: [41, 7, 80] from Operation: 3+77=80 Current State: 46:[41, 7, 80], Operations: ['3+77=80'] Exploring Operation: 41-7=34, Resulting Numbers: [80, 34] Generated Node #3: [80, 34] from Operation: 41-7=34 Current State: 46:[80, 34], Operations: ['3+77=80', '41-7=34'] Exploring Operation: 80-34=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
4
Current State: 46:[3, 77, 41, 7], Operations: [] Exploring Operation: 77-7=70, Resulting Numbers: [3, 41, 70] Generated Node #0,0: 46:[3, 41, 70] Operation: 77-7=70 Exploring Operation: 77/7=11, Resulting Numbers: [3, 41, 11] Generated Node #0,1: 46:[3, 41, 11] Operation: 77/7=11 Exploring Operation: 77-41=36, Resulting Numbers: [3, 7, 36] Generated Node #0,2: 46:[3, 7, 36] Operation: 77-41=36 Moving to Node #0,1 Current State: 46:[3, 41, 11], Operations: ['77/7=11'] Exploring Operation: 41-11=30, Resulting Numbers: [3, 30] Generated Node #0,1,0: 46:[3, 30] Operation: 41-11=30 Exploring Operation: 3+41=44, Resulting Numbers: [11, 44] Generated Node #0,1,1: 46:[11, 44] Operation: 3+41=44 Exploring Operation: 41+11=52, Resulting Numbers: [3, 52] Generated Node #0,1,2: 46:[3, 52] Operation: 41+11=52 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 46:[3, 52], Operations: ['77/7=11', '41+11=52'] Exploring Operation: 3*52=156, Resulting Numbers: [156] 156,46 unequal: No Solution Exploring Operation: 3+52=55, Resulting Numbers: [55] 55,46 unequal: No Solution Exploring Operation: 52-3=49, Resulting Numbers: [49] 49,46 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 46:[3, 30], Operations: ['77/7=11', '41-11=30'] Exploring Operation: 3+30=33, Resulting Numbers: [33] 33,46 unequal: No Solution Exploring Operation: 30/3=10, Resulting Numbers: [10] 10,46 unequal: No Solution Exploring Operation: 30-3=27, Resulting Numbers: [27] 27,46 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 46:[11, 44], Operations: ['77/7=11', '3+41=44'] Exploring Operation: 44/11=4, Resulting Numbers: [4] 4,46 unequal: No Solution Exploring Operation: 44-11=33, Resulting Numbers: [33] 33,46 unequal: No Solution Exploring Operation: 11+44=55, Resulting Numbers: [55] 55,46 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: 46:[3, 7, 36], Operations: ['77-41=36'] Exploring Operation: 36-7=29, Resulting Numbers: [3, 29] Generated Node #0,2,0: 46:[3, 29] Operation: 36-7=29 Exploring Operation: 3*7=21, Resulting Numbers: [36, 21] Generated Node #0,2,1: 46:[36, 21] Operation: 3*7=21 Exploring Operation: 7+36=43, Resulting Numbers: [3, 43] Generated Node #0,2,2: 46:[3, 43] Operation: 7+36=43 Moving to Node #0,0 Current State: 46:[3, 41, 70], Operations: ['77-7=70'] Exploring Operation: 3+41=44, Resulting Numbers: [70, 44] Generated Node #0,0,0: 46:[70, 44] Operation: 3+41=44 Exploring Operation: 70-41=29, Resulting Numbers: [3, 29] Generated Node #0,0,1: 46:[3, 29] Operation: 70-41=29 Exploring Operation: 70-3=67, Resulting Numbers: [41, 67] Generated Node #0,0,2: 46:[41, 67] Operation: 70-3=67 Moving to Node #0,2,2 Current State: 46:[3, 43], Operations: ['77-41=36', '7+36=43'] Exploring Operation: 43-3=40, Resulting Numbers: [40] 40,46 unequal: No Solution Exploring Operation: 3*43=129, Resulting Numbers: [129] 129,46 unequal: No Solution Exploring Operation: 3+43=46, Resulting Numbers: [46] 46,46 equal: Goal Reached Moving to Node #0 Current State: 46:[3, 77, 41, 7], Operations: [] Exploring Operation: 77-41=36, Resulting Numbers: [3, 7, 36] Generated Node #0,2: 46:[3, 7, 36] Operation: 77-41=36 Moving to Node #0,2 Current State: 46:[3, 7, 36], Operations: ['77-41=36'] Exploring Operation: 7+36=43, Resulting Numbers: [3, 43] Generated Node #0,2,2: 46:[3, 43] Operation: 7+36=43 Moving to Node #0,2,2 Current State: 46:[3, 43], Operations: ['77-41=36', '7+36=43'] Exploring Operation: 3+43=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
0.975694
hs_3
sum_heuristic