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
[ 9, 18, 50, 60 ]
70
[ "18/9=2", "60*2=120", "120-50=70" ]
Current State: 70:[9, 18, 50, 60], Operations: [] Exploring Operation: 18/9=2, Resulting Numbers: [50, 60, 2] Generated Node #2: [50, 60, 2] from Operation: 18/9=2 Current State: 70:[50, 60, 2], Operations: ['18/9=2'] Exploring Operation: 60*2=120, Resulting Numbers: [50, 120] Generated Node #3: [50, 120] from Operation: 60*2=120 Current State: 70:[50, 120], Operations: ['18/9=2', '60*2=120'] Exploring Operation: 120-50=70, Resulting Numbers: [70] 70,70 equal: Goal Reached
4
Current State: 70:[9, 18, 50, 60], Operations: [] Exploring Operation: 18+50=68, Resulting Numbers: [9, 60, 68] Generated Node #0,0: 70:[9, 60, 68] Operation: 18+50=68 Exploring Operation: 50-9=41, Resulting Numbers: [18, 60, 41] Generated Node #0,1: 70:[18, 60, 41] Operation: 50-9=41 Exploring Operation: 50-18=32, Resulting Numbers: [9, 60, 32] Generated Node #0,2: 70:[9, 60, 32] Operation: 50-18=32 Exploring Operation: 60-50=10, Resulting Numbers: [9, 18, 10] Generated Node #0,3: 70:[9, 18, 10] Operation: 60-50=10 Moving to Node #0,3 Current State: 70:[9, 18, 10], Operations: ['60-50=10'] Exploring Operation: 18-9=9, Resulting Numbers: [10, 9] Generated Node #0,3,0: 70:[10, 9] Operation: 18-9=9 Exploring Operation: 10-9=1, Resulting Numbers: [18, 1] Generated Node #0,3,1: 70:[18, 1] Operation: 10-9=1 Exploring Operation: 18-10=8, Resulting Numbers: [9, 8] Generated Node #0,3,2: 70:[9, 8] Operation: 18-10=8 Exploring Operation: 18/9=2, Resulting Numbers: [10, 2] Generated Node #0,3,3: 70:[10, 2] Operation: 18/9=2 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 70:[10, 2], Operations: ['60-50=10', '18/9=2'] Exploring Operation: 10*2=20, Resulting Numbers: [20] 20,70 unequal: No Solution Exploring Operation: 10+2=12, Resulting Numbers: [12] 12,70 unequal: No Solution Exploring Operation: 10-2=8, Resulting Numbers: [8] 8,70 unequal: No Solution Exploring Operation: 10/2=5, Resulting Numbers: [5] 5,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 70:[10, 9], Operations: ['60-50=10', '18-9=9'] Exploring Operation: 10-9=1, Resulting Numbers: [1] 1,70 unequal: No Solution Exploring Operation: 10*9=90, Resulting Numbers: [90] 90,70 unequal: No Solution Exploring Operation: 10+9=19, Resulting Numbers: [19] 19,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 70:[9, 8], Operations: ['60-50=10', '18-10=8'] Exploring Operation: 9*8=72, Resulting Numbers: [72] 72,70 unequal: No Solution Exploring Operation: 9+8=17, Resulting Numbers: [17] 17,70 unequal: No Solution Exploring Operation: 9-8=1, Resulting Numbers: [1] 1,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 70:[18, 1], Operations: ['60-50=10', '10-9=1'] Exploring Operation: 18-1=17, Resulting Numbers: [17] 17,70 unequal: No Solution Exploring Operation: 18*1=18, Resulting Numbers: [18] 18,70 unequal: No Solution Exploring Operation: 18+1=19, Resulting Numbers: [19] 19,70 unequal: No Solution Exploring Operation: 18/1=18, Resulting Numbers: [18] 18,70 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: 70:[9, 60, 68], Operations: ['18+50=68'] Exploring Operation: 60-9=51, Resulting Numbers: [68, 51] Generated Node #0,0,0: 70:[68, 51] Operation: 60-9=51 Exploring Operation: 9+68=77, Resulting Numbers: [60, 77] Generated Node #0,0,1: 70:[60, 77] Operation: 9+68=77 Exploring Operation: 9+60=69, Resulting Numbers: [68, 69] Generated Node #0,0,2: 70:[68, 69] Operation: 9+60=69 Exploring Operation: 68-60=8, Resulting Numbers: [9, 8] Generated Node #0,0,3: 70:[9, 8] Operation: 68-60=8 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 70:[9, 8], Operations: ['18+50=68', '68-60=8'] Exploring Operation: 9-8=1, Resulting Numbers: [1] 1,70 unequal: No Solution Exploring Operation: 9*8=72, Resulting Numbers: [72] 72,70 unequal: No Solution Exploring Operation: 9+8=17, Resulting Numbers: [17] 17,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 70:[68, 69], Operations: ['18+50=68', '9+60=69'] Exploring Operation: 69-68=1, Resulting Numbers: [1] 1,70 unequal: No Solution Exploring Operation: 68*69=4692, Resulting Numbers: [4692] 4692,70 unequal: No Solution Exploring Operation: 68+69=137, Resulting Numbers: [137] 137,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 70:[60, 77], Operations: ['18+50=68', '9+68=77'] Exploring Operation: 60+77=137, Resulting Numbers: [137] 137,70 unequal: No Solution Exploring Operation: 60*77=4620, Resulting Numbers: [4620] 4620,70 unequal: No Solution Exploring Operation: 77-60=17, Resulting Numbers: [17] 17,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 70:[68, 51], Operations: ['18+50=68', '60-9=51'] Exploring Operation: 68+51=119, Resulting Numbers: [119] 119,70 unequal: No Solution Exploring Operation: 68*51=3468, Resulting Numbers: [3468] 3468,70 unequal: No Solution Exploring Operation: 68-51=17, Resulting Numbers: [17] 17,70 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: 70:[9, 60, 32], Operations: ['50-18=32'] Exploring Operation: 9+32=41, Resulting Numbers: [60, 41] Generated Node #0,2,0: 70:[60, 41] Operation: 9+32=41 Exploring Operation: 60-9=51, Resulting Numbers: [32, 51] Generated Node #0,2,1: 70:[32, 51] Operation: 60-9=51 Exploring Operation: 9+60=69, Resulting Numbers: [32, 69] Generated Node #0,2,2: 70:[32, 69] Operation: 9+60=69 Exploring Operation: 60-32=28, Resulting Numbers: [9, 28] Generated Node #0,2,3: 70:[9, 28] Operation: 60-32=28 Moving to Node #0,1 Current State: 70:[18, 60, 41], Operations: ['50-9=41'] Exploring Operation: 60-18=42, Resulting Numbers: [41, 42] Generated Node #0,1,0: 70:[41, 42] Operation: 60-18=42 Exploring Operation: 60-41=19, Resulting Numbers: [18, 19] Generated Node #0,1,1: 70:[18, 19] Operation: 60-41=19 Exploring Operation: 18+60=78, Resulting Numbers: [41, 78] Generated Node #0,1,2: 70:[41, 78] Operation: 18+60=78 Exploring Operation: 41-18=23, Resulting Numbers: [60, 23] Generated Node #0,1,3: 70:[60, 23] Operation: 41-18=23 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 70:[18, 19], Operations: ['50-9=41', '60-41=19'] Exploring Operation: 18*19=342, Resulting Numbers: [342] 342,70 unequal: No Solution Exploring Operation: 19-18=1, Resulting Numbers: [1] 1,70 unequal: No Solution Exploring Operation: 18+19=37, Resulting Numbers: [37] 37,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 70:[41, 42], Operations: ['50-9=41', '60-18=42'] Exploring Operation: 41+42=83, Resulting Numbers: [83] 83,70 unequal: No Solution Exploring Operation: 42-41=1, Resulting Numbers: [1] 1,70 unequal: No Solution Exploring Operation: 41*42=1722, Resulting Numbers: [1722] 1722,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 70:[41, 78], Operations: ['50-9=41', '18+60=78'] Exploring Operation: 41*78=3198, Resulting Numbers: [3198] 3198,70 unequal: No Solution Exploring Operation: 78-41=37, Resulting Numbers: [37] 37,70 unequal: No Solution Exploring Operation: 41+78=119, Resulting Numbers: [119] 119,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 70:[60, 23], Operations: ['50-9=41', '41-18=23'] Exploring Operation: 60+23=83, Resulting Numbers: [83] 83,70 unequal: No Solution Exploring Operation: 60*23=1380, Resulting Numbers: [1380] 1380,70 unequal: No Solution Exploring Operation: 60-23=37, Resulting Numbers: [37] 37,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2,2 Current State: 70:[32, 69], Operations: ['50-18=32', '9+60=69'] Exploring Operation: 32*69=2208, Resulting Numbers: [2208] 2208,70 unequal: No Solution Exploring Operation: 69-32=37, Resulting Numbers: [37] 37,70 unequal: No Solution Exploring Operation: 32+69=101, Resulting Numbers: [101] 101,70 unequal: No Solution Moving to Node #0,2,3 Current State: 70:[9, 28], Operations: ['50-18=32', '60-32=28'] Exploring Operation: 9*28=252, Resulting Numbers: [252] 252,70 unequal: No Solution Exploring Operation: 9+28=37, Resulting Numbers: [37] 37,70 unequal: No Solution Exploring Operation: 28-9=19, Resulting Numbers: [19] 19,70 unequal: No Solution Moving to Node #0,2,0 Current State: 70:[60, 41], Operations: ['50-18=32', '9+32=41'] Exploring Operation: 60+41=101, Resulting Numbers: [101] 101,70 unequal: No Solution Exploring Operation: 60-41=19, Resulting Numbers: [19] 19,70 unequal: No Solution Exploring Operation: 60*41=2460, Resulting Numbers: [2460] 2460,70 unequal: No Solution Moving to Node #0,2,1 Current State: 70:[32, 51], Operations: ['50-18=32', '60-9=51'] Exploring Operation: 51-32=19, Resulting Numbers: [19] 19,70 unequal: No Solution Exploring Operation: 32*51=1632, Resulting Numbers: [1632] 1632,70 unequal: No Solution Exploring Operation: 32+51=83, Resulting Numbers: [83] 83,70 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 30, 54, 25, 70 ]
39
[ "30+54=84", "70-25=45", "84-45=39" ]
Current State: 39:[30, 54, 25, 70], Operations: [] Exploring Operation: 30+54=84, Resulting Numbers: [25, 70, 84] Generated Node #2: [25, 70, 84] from Operation: 30+54=84 Current State: 39:[25, 70, 84], Operations: ['30+54=84'] Exploring Operation: 70-25=45, Resulting Numbers: [84, 45] Generated Node #3: [84, 45] from Operation: 70-25=45 Current State: 39:[84, 45], Operations: ['30+54=84', '70-25=45'] Exploring Operation: 84-45=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
4
Current State: 39:[30, 54, 25, 70], Operations: [] Exploring Operation: 70-30=40, Resulting Numbers: [54, 25, 40] Generated Node #0,0: 39:[54, 25, 40] Operation: 70-30=40 Exploring Operation: 70-25=45, Resulting Numbers: [30, 54, 45] Generated Node #0,1: 39:[30, 54, 45] Operation: 70-25=45 Exploring Operation: 30-25=5, Resulting Numbers: [54, 70, 5] Generated Node #0,2: 39:[54, 70, 5] Operation: 30-25=5 Exploring Operation: 70-54=16, Resulting Numbers: [30, 25, 16] Generated Node #0,3: 39:[30, 25, 16] Operation: 70-54=16 Start Sub Search at level 1: Moving to Node #0,3 Current State: 39:[30, 25, 16], Operations: ['70-54=16'] Exploring Operation: 25+16=41, Resulting Numbers: [30, 41] Generated Node #0,3,0: 39:[30, 41] Operation: 25+16=41 Exploring Operation: 25-16=9, Resulting Numbers: [30, 9] Generated Node #0,3,1: 39:[30, 9] Operation: 25-16=9 Exploring Operation: 30-16=14, Resulting Numbers: [25, 14] Generated Node #0,3,2: 39:[25, 14] Operation: 30-16=14 Exploring Operation: 30-25=5, Resulting Numbers: [16, 5] Generated Node #0,3,3: 39:[16, 5] Operation: 30-25=5 Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 39:[16, 5], Operations: ['70-54=16', '30-25=5'] Exploring Operation: 16+5=21, Resulting Numbers: [21] 21,39 unequal: No Solution Exploring Operation: 16-5=11, Resulting Numbers: [11] 11,39 unequal: No Solution Exploring Operation: 16*5=80, Resulting Numbers: [80] 80,39 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 39:[30, 41], Operations: ['70-54=16', '25+16=41'] Exploring Operation: 41-30=11, Resulting Numbers: [11] 11,39 unequal: No Solution Exploring Operation: 30*41=1230, Resulting Numbers: [1230] 1230,39 unequal: No Solution Exploring Operation: 30+41=71, Resulting Numbers: [71] 71,39 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 39:[30, 9], Operations: ['70-54=16', '25-16=9'] Exploring Operation: 30*9=270, Resulting Numbers: [270] 270,39 unequal: No Solution Exploring Operation: 30-9=21, Resulting Numbers: [21] 21,39 unequal: No Solution Exploring Operation: 30+9=39, Resulting Numbers: [39] 39,39 equal: Goal Reached Moving to Node #0 Current State: 39:[30, 54, 25, 70], Operations: [] Exploring Operation: 70-54=16, Resulting Numbers: [30, 25, 16] Generated Node #0,3: 39:[30, 25, 16] Operation: 70-54=16 Moving to Node #0,3 Current State: 39:[30, 25, 16], Operations: ['70-54=16'] Exploring Operation: 25-16=9, Resulting Numbers: [30, 9] Generated Node #0,3,1: 39:[30, 9] Operation: 25-16=9 Moving to Node #0,3,1 Current State: 39:[30, 9], Operations: ['70-54=16', '25-16=9'] Exploring Operation: 30+9=39, Resulting Numbers: [39] 39,39 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.981771
hs_4
mult_heuristic
[ 76, 19, 62, 22 ]
36
[ "76/19=4", "62-22=40", "40-4=36" ]
Current State: 36:[76, 19, 62, 22], Operations: [] Exploring Operation: 76/19=4, Resulting Numbers: [62, 22, 4] Generated Node #2: [62, 22, 4] from Operation: 76/19=4 Current State: 36:[62, 22, 4], Operations: ['76/19=4'] Exploring Operation: 62-22=40, Resulting Numbers: [4, 40] Generated Node #3: [4, 40] from Operation: 62-22=40 Current State: 36:[4, 40], Operations: ['76/19=4', '62-22=40'] Exploring Operation: 40-4=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
4
Current State: 36:[76, 19, 62, 22], Operations: [] Exploring Operation: 76-62=14, Resulting Numbers: [19, 22, 14] Generated Node #0,0: 36:[19, 22, 14] Operation: 76-62=14 Exploring Operation: 76/19=4, Resulting Numbers: [62, 22, 4] Generated Node #0,1: 36:[62, 22, 4] Operation: 76/19=4 Moving to Node #0,0 Current State: 36:[19, 22, 14], Operations: ['76-62=14'] Exploring Operation: 22+14=36, Resulting Numbers: [19, 36] Generated Node #0,0,0: 36:[19, 36] Operation: 22+14=36 Exploring Operation: 22-19=3, Resulting Numbers: [14, 3] Generated Node #0,0,1: 36:[14, 3] Operation: 22-19=3 Moving to Node #0,1 Current State: 36:[62, 22, 4], Operations: ['76/19=4'] Exploring Operation: 62-4=58, Resulting Numbers: [22, 58] Generated Node #0,1,0: 36:[22, 58] Operation: 62-4=58 Exploring Operation: 62-22=40, Resulting Numbers: [4, 40] Generated Node #0,1,1: 36:[4, 40] Operation: 62-22=40 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 36:[4, 40], Operations: ['76/19=4', '62-22=40'] Exploring Operation: 40/4=10, Resulting Numbers: [10] 10,36 unequal: No Solution Exploring Operation: 40-4=36, Resulting Numbers: [36] 36,36 equal: Goal Reached Moving to Node #0 Current State: 36:[76, 19, 62, 22], Operations: [] Exploring Operation: 76/19=4, Resulting Numbers: [62, 22, 4] Generated Node #0,1: 36:[62, 22, 4] Operation: 76/19=4 Moving to Node #0,1 Current State: 36:[62, 22, 4], Operations: ['76/19=4'] Exploring Operation: 62-22=40, Resulting Numbers: [4, 40] Generated Node #0,1,1: 36:[4, 40] Operation: 62-22=40 Moving to Node #0,1,1 Current State: 36:[4, 40], Operations: ['76/19=4', '62-22=40'] Exploring Operation: 40-4=36, Resulting Numbers: [36] 36,36 equal: Goal Reached Exit Sub Search at level 1
0.989583
hs_2
mult_heuristic
[ 87, 68, 38, 90 ]
71
[ "87-68=19", "90-38=52", "19+52=71" ]
Current State: 71:[87, 68, 38, 90], Operations: [] Exploring Operation: 87-68=19, Resulting Numbers: [38, 90, 19] Generated Node #2: [38, 90, 19] from Operation: 87-68=19 Current State: 71:[38, 90, 19], Operations: ['87-68=19'] Exploring Operation: 90-38=52, Resulting Numbers: [19, 52] Generated Node #3: [19, 52] from Operation: 90-38=52 Current State: 71:[19, 52], Operations: ['87-68=19', '90-38=52'] Exploring Operation: 19+52=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
4
Current State: 71:[87, 68, 38, 90], Operations: [] Exploring Operation: 68-38=30, Resulting Numbers: [87, 90, 30] Generated Node #0,0: 71:[87, 90, 30] Operation: 68-38=30 Exploring Operation: 68+38=106, Resulting Numbers: [87, 90, 106] Generated Node #0,1: 71:[87, 90, 106] Operation: 68+38=106 Exploring Operation: 87+38=125, Resulting Numbers: [68, 90, 125] Generated Node #0,2: 71:[68, 90, 125] Operation: 87+38=125 Exploring Operation: 90-38=52, Resulting Numbers: [87, 68, 52] Generated Node #0,3: 71:[87, 68, 52] Operation: 90-38=52 Exploring Operation: 87-38=49, Resulting Numbers: [68, 90, 49] Generated Node #0,4: 71:[68, 90, 49] Operation: 87-38=49 Moving to Node #0,3 Current State: 71:[87, 68, 52], Operations: ['90-38=52'] Exploring Operation: 87-52=35, Resulting Numbers: [68, 35] Generated Node #0,3,0: 71:[68, 35] Operation: 87-52=35 Exploring Operation: 87+52=139, Resulting Numbers: [68, 139] Generated Node #0,3,1: 71:[68, 139] Operation: 87+52=139 Exploring Operation: 68+52=120, Resulting Numbers: [87, 120] Generated Node #0,3,2: 71:[87, 120] Operation: 68+52=120 Exploring Operation: 87-68=19, Resulting Numbers: [52, 19] Generated Node #0,3,3: 71:[52, 19] Operation: 87-68=19 Exploring Operation: 68-52=16, Resulting Numbers: [87, 16] Generated Node #0,3,4: 71:[87, 16] Operation: 68-52=16 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 71:[68, 35], Operations: ['90-38=52', '87-52=35'] Exploring Operation: 68+35=103, Resulting Numbers: [103] 103,71 unequal: No Solution Exploring Operation: 68-35=33, Resulting Numbers: [33] 33,71 unequal: No Solution Exploring Operation: 68*35=2380, Resulting Numbers: [2380] 2380,71 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 #0,3,2 Current State: 71:[87, 120], Operations: ['90-38=52', '68+52=120'] Exploring Operation: 87*120=10440, Resulting Numbers: [10440] 10440,71 unequal: No Solution Exploring Operation: 120-87=33, Resulting Numbers: [33] 33,71 unequal: No Solution Exploring Operation: 87+120=207, Resulting Numbers: [207] 207,71 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 #0,3,1 Current State: 71:[68, 139], Operations: ['90-38=52', '87+52=139'] Exploring Operation: 68*139=9452, Resulting Numbers: [9452] 9452,71 unequal: No Solution Exploring Operation: 139-68=71, Resulting Numbers: [71] 71,71 equal: Goal Reached Moving to Node #0 Current State: 71:[87, 68, 38, 90], Operations: [] Exploring Operation: 90-38=52, Resulting Numbers: [87, 68, 52] Generated Node #0,3: 71:[87, 68, 52] Operation: 90-38=52 Moving to Node #0,3 Current State: 71:[87, 68, 52], Operations: ['90-38=52'] Exploring Operation: 87+52=139, Resulting Numbers: [68, 139] Generated Node #0,3,1: 71:[68, 139] Operation: 87+52=139 Moving to Node #0,3,1 Current State: 71:[68, 139], Operations: ['90-38=52', '87+52=139'] Exploring Operation: 139-68=71, Resulting Numbers: [71] 71,71 equal: Goal Reached Exit Sub Search at level 1
0.980903
hs_5
sum_heuristic
[ 41, 26, 85, 9 ]
31
[ "85*9=765", "41+765=806", "806/26=31" ]
Current State: 31:[41, 26, 85, 9], Operations: [] Exploring Operation: 85*9=765, Resulting Numbers: [41, 26, 765] Generated Node #2: [41, 26, 765] from Operation: 85*9=765 Current State: 31:[41, 26, 765], Operations: ['85*9=765'] Exploring Operation: 41+765=806, Resulting Numbers: [26, 806] Generated Node #3: [26, 806] from Operation: 41+765=806 Current State: 31:[26, 806], Operations: ['85*9=765', '41+765=806'] Exploring Operation: 806/26=31, Resulting Numbers: [31] 31,31 equal: Goal Reached
4
Current State: 31:[41, 26, 85, 9], Operations: [] Exploring Operation: 41-9=32, Resulting Numbers: [26, 85, 32] Generated Node #0,0: 31:[26, 85, 32] Operation: 41-9=32 Exploring Operation: 85-26=59, Resulting Numbers: [41, 9, 59] Generated Node #0,1: 31:[41, 9, 59] Operation: 85-26=59 Exploring Operation: 85-9=76, Resulting Numbers: [41, 26, 76] Generated Node #0,2: 31:[41, 26, 76] Operation: 85-9=76 Exploring Operation: 85-41=44, Resulting Numbers: [26, 9, 44] Generated Node #0,3: 31:[26, 9, 44] Operation: 85-41=44 Start Sub Search at level 1: Moving to Node #0,3 Current State: 31:[26, 9, 44], Operations: ['85-41=44'] Exploring Operation: 44-9=35, Resulting Numbers: [26, 35] Generated Node #0,3,0: 31:[26, 35] Operation: 44-9=35 Exploring Operation: 26+9=35, Resulting Numbers: [44, 35] Generated Node #0,3,1: 31:[44, 35] Operation: 26+9=35 Exploring Operation: 9+44=53, Resulting Numbers: [26, 53] Generated Node #0,3,2: 31:[26, 53] Operation: 9+44=53 Exploring Operation: 26-9=17, Resulting Numbers: [44, 17] Generated Node #0,3,3: 31:[44, 17] Operation: 26-9=17 Moving to Node #0,3,0 Current State: 31:[26, 35], Operations: ['85-41=44', '44-9=35'] Exploring Operation: 26*35=910, Resulting Numbers: [910] 910,31 unequal: No Solution Exploring Operation: 35-26=9, Resulting Numbers: [9] 9,31 unequal: No Solution Exploring Operation: 26+35=61, Resulting Numbers: [61] 61,31 unequal: No Solution Moving to Node #0,3,1 Current State: 31:[44, 35], Operations: ['85-41=44', '26+9=35'] Exploring Operation: 44*35=1540, Resulting Numbers: [1540] 1540,31 unequal: No Solution Exploring Operation: 44-35=9, Resulting Numbers: [9] 9,31 unequal: No Solution Exploring Operation: 44+35=79, Resulting Numbers: [79] 79,31 unequal: No Solution Moving to Node #0,3,3 Current State: 31:[44, 17], Operations: ['85-41=44', '26-9=17'] Exploring Operation: 44+17=61, Resulting Numbers: [61] 61,31 unequal: No Solution Exploring Operation: 44-17=27, Resulting Numbers: [27] 27,31 unequal: No Solution Exploring Operation: 44*17=748, Resulting Numbers: [748] 748,31 unequal: No Solution Moving to Node #0,3,2 Current State: 31:[26, 53], Operations: ['85-41=44', '9+44=53'] Exploring Operation: 26*53=1378, Resulting Numbers: [1378] 1378,31 unequal: No Solution Exploring Operation: 53-26=27, Resulting Numbers: [27] 27,31 unequal: No Solution Exploring Operation: 26+53=79, Resulting Numbers: [79] 79,31 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 31:[26, 85, 32], Operations: ['41-9=32'] Exploring Operation: 85-26=59, Resulting Numbers: [32, 59] Generated Node #0,0,0: 31:[32, 59] Operation: 85-26=59 Exploring Operation: 26+85=111, Resulting Numbers: [32, 111] Generated Node #0,0,1: 31:[32, 111] Operation: 26+85=111 Exploring Operation: 85-32=53, Resulting Numbers: [26, 53] Generated Node #0,0,2: 31:[26, 53] Operation: 85-32=53 Exploring Operation: 32-26=6, Resulting Numbers: [85, 6] Generated Node #0,0,3: 31:[85, 6] Operation: 32-26=6 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 31:[26, 53], Operations: ['41-9=32', '85-32=53'] Exploring Operation: 26+53=79, Resulting Numbers: [79] 79,31 unequal: No Solution Exploring Operation: 26*53=1378, Resulting Numbers: [1378] 1378,31 unequal: No Solution Exploring Operation: 53-26=27, Resulting Numbers: [27] 27,31 unequal: No Solution No 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: 31:[32, 59], Operations: ['41-9=32', '85-26=59'] Exploring Operation: 32*59=1888, Resulting Numbers: [1888] 1888,31 unequal: No Solution Exploring Operation: 32+59=91, Resulting Numbers: [91] 91,31 unequal: No Solution Exploring Operation: 59-32=27, Resulting Numbers: [27] 27,31 unequal: No Solution No 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: 31:[85, 6], Operations: ['41-9=32', '32-26=6'] Exploring Operation: 85-6=79, Resulting Numbers: [79] 79,31 unequal: No Solution Exploring Operation: 85+6=91, Resulting Numbers: [91] 91,31 unequal: No Solution Exploring Operation: 85*6=510, Resulting Numbers: [510] 510,31 unequal: No Solution No 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: 31:[32, 111], Operations: ['41-9=32', '26+85=111'] Exploring Operation: 32+111=143, Resulting Numbers: [143] 143,31 unequal: No Solution Exploring Operation: 32*111=3552, Resulting Numbers: [3552] 3552,31 unequal: No Solution Exploring Operation: 111-32=79, Resulting Numbers: [79] 79,31 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 31:[41, 9, 59], Operations: ['85-26=59'] Exploring Operation: 59-41=18, Resulting Numbers: [9, 18] Generated Node #0,1,0: 31:[9, 18] Operation: 59-41=18 Exploring Operation: 41+9=50, Resulting Numbers: [59, 50] Generated Node #0,1,1: 31:[59, 50] Operation: 41+9=50 Exploring Operation: 59-9=50, Resulting Numbers: [41, 50] Generated Node #0,1,2: 31:[41, 50] Operation: 59-9=50 Exploring Operation: 41-9=32, Resulting Numbers: [59, 32] Generated Node #0,1,3: 31:[59, 32] Operation: 41-9=32 Moving to Node #0,1,2 Current State: 31:[41, 50], Operations: ['85-26=59', '59-9=50'] Exploring Operation: 50-41=9, Resulting Numbers: [9] 9,31 unequal: No Solution Exploring Operation: 41+50=91, Resulting Numbers: [91] 91,31 unequal: No Solution Exploring Operation: 41*50=2050, Resulting Numbers: [2050] 2050,31 unequal: No Solution Moving to Node #0,1,3 Current State: 31:[59, 32], Operations: ['85-26=59', '41-9=32'] Exploring Operation: 59+32=91, Resulting Numbers: [91] 91,31 unequal: No Solution Exploring Operation: 59*32=1888, Resulting Numbers: [1888] 1888,31 unequal: No Solution Exploring Operation: 59-32=27, Resulting Numbers: [27] 27,31 unequal: No Solution Moving to Node #0,1,0 Current State: 31:[9, 18], Operations: ['85-26=59', '59-41=18'] Exploring Operation: 9+18=27, Resulting Numbers: [27] 27,31 unequal: No Solution Exploring Operation: 9*18=162, Resulting Numbers: [162] 162,31 unequal: No Solution Exploring Operation: 18-9=9, Resulting Numbers: [9] 9,31 unequal: No Solution Exploring Operation: 18/9=2, Resulting Numbers: [2] 2,31 unequal: No Solution Moving to Node #0,1,1 Current State: 31:[59, 50], Operations: ['85-26=59', '41+9=50'] Exploring Operation: 59+50=109, Resulting Numbers: [109] 109,31 unequal: No Solution Exploring Operation: 59-50=9, Resulting Numbers: [9] 9,31 unequal: No Solution Exploring Operation: 59*50=2950, Resulting Numbers: [2950] 2950,31 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 31:[41, 26, 76], Operations: ['85-9=76'] Exploring Operation: 41-26=15, Resulting Numbers: [76, 15] Generated Node #0,2,0: 31:[76, 15] Operation: 41-26=15 Exploring Operation: 76-41=35, Resulting Numbers: [26, 35] Generated Node #0,2,1: 31:[26, 35] Operation: 76-41=35 Exploring Operation: 41+26=67, Resulting Numbers: [76, 67] Generated Node #0,2,2: 31:[76, 67] Operation: 41+26=67 Exploring Operation: 76-26=50, Resulting Numbers: [41, 50] Generated Node #0,2,3: 31:[41, 50] Operation: 76-26=50 Moving to Node #0,2,1 Current State: 31:[26, 35], Operations: ['85-9=76', '76-41=35'] Exploring Operation: 26+35=61, Resulting Numbers: [61] 61,31 unequal: No Solution Exploring Operation: 26*35=910, Resulting Numbers: [910] 910,31 unequal: No Solution Exploring Operation: 35-26=9, Resulting Numbers: [9] 9,31 unequal: No Solution Moving to Node #0,2,3 Current State: 31:[41, 50], Operations: ['85-9=76', '76-26=50'] Exploring Operation: 41*50=2050, Resulting Numbers: [2050] 2050,31 unequal: No Solution Exploring Operation: 50-41=9, Resulting Numbers: [9] 9,31 unequal: No Solution Exploring Operation: 41+50=91, Resulting Numbers: [91] 91,31 unequal: No Solution Moving to Node #0,2,0 Current State: 31:[76, 15], Operations: ['85-9=76', '41-26=15'] Exploring Operation: 76+15=91, Resulting Numbers: [91] 91,31 unequal: No Solution Exploring Operation: 76-15=61, Resulting Numbers: [61] 61,31 unequal: No Solution Exploring Operation: 76*15=1140, Resulting Numbers: [1140] 1140,31 unequal: No Solution Moving to Node #0,2,2 Current State: 31:[76, 67], Operations: ['85-9=76', '41+26=67'] Exploring Operation: 76*67=5092, Resulting Numbers: [5092] 5092,31 unequal: No Solution Exploring Operation: 76+67=143, Resulting Numbers: [143] 143,31 unequal: No Solution Exploring Operation: 76-67=9, Resulting Numbers: [9] 9,31 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
sum_heuristic
[ 19, 11, 55, 15 ]
21
[ "15-11=4", "19*4=76", "76-55=21" ]
Current State: 21:[19, 11, 55, 15], Operations: [] Exploring Operation: 15-11=4, Resulting Numbers: [19, 55, 4] Generated Node #2: [19, 55, 4] from Operation: 15-11=4 Current State: 21:[19, 55, 4], Operations: ['15-11=4'] Exploring Operation: 19*4=76, Resulting Numbers: [55, 76] Generated Node #3: [55, 76] from Operation: 19*4=76 Current State: 21:[55, 76], Operations: ['15-11=4', '19*4=76'] Exploring Operation: 76-55=21, Resulting Numbers: [21] 21,21 equal: Goal Reached
4
Current State: 21:[19, 11, 55, 15], Operations: [] Exploring Operation: 55-15=40, Resulting Numbers: [19, 11, 40] Generated Node #0,0: 21:[19, 11, 40] Operation: 55-15=40 Exploring Operation: 55/11=5, Resulting Numbers: [19, 15, 5] Generated Node #0,1: 21:[19, 15, 5] Operation: 55/11=5 Exploring Operation: 55-19=36, Resulting Numbers: [11, 15, 36] Generated Node #0,2: 21:[11, 15, 36] Operation: 55-19=36 Exploring Operation: 55-11=44, Resulting Numbers: [19, 15, 44] Generated Node #0,3: 21:[19, 15, 44] Operation: 55-11=44 Start Sub Search at level 1: Moving to Node #0,1 Current State: 21:[19, 15, 5], Operations: ['55/11=5'] Exploring Operation: 15/5=3, Resulting Numbers: [19, 3] Generated Node #0,1,0: 21:[19, 3] Operation: 15/5=3 Exploring Operation: 19-15=4, Resulting Numbers: [5, 4] Generated Node #0,1,1: 21:[5, 4] Operation: 19-15=4 Exploring Operation: 15-5=10, Resulting Numbers: [19, 10] Generated Node #0,1,2: 21:[19, 10] Operation: 15-5=10 Exploring Operation: 15+5=20, Resulting Numbers: [19, 20] Generated Node #0,1,3: 21:[19, 20] Operation: 15+5=20 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 21:[19, 3], Operations: ['55/11=5', '15/5=3'] Exploring Operation: 19+3=22, Resulting Numbers: [22] 22,21 unequal: No Solution Exploring Operation: 19*3=57, Resulting Numbers: [57] 57,21 unequal: No Solution Exploring Operation: 19-3=16, Resulting Numbers: [16] 16,21 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 21:[5, 4], Operations: ['55/11=5', '19-15=4'] Exploring Operation: 5+4=9, Resulting Numbers: [9] 9,21 unequal: No Solution Exploring Operation: 5-4=1, Resulting Numbers: [1] 1,21 unequal: No Solution Exploring Operation: 5*4=20, Resulting Numbers: [20] 20,21 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 21:[19, 20], Operations: ['55/11=5', '15+5=20'] Exploring Operation: 19+20=39, Resulting Numbers: [39] 39,21 unequal: No Solution Exploring Operation: 20-19=1, Resulting Numbers: [1] 1,21 unequal: No Solution Exploring Operation: 19*20=380, Resulting Numbers: [380] 380,21 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 21:[19, 10], Operations: ['55/11=5', '15-5=10'] Exploring Operation: 19-10=9, Resulting Numbers: [9] 9,21 unequal: No Solution Exploring Operation: 19*10=190, Resulting Numbers: [190] 190,21 unequal: No Solution Exploring Operation: 19+10=29, Resulting Numbers: [29] 29,21 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 21:[19, 11, 40], Operations: ['55-15=40'] Exploring Operation: 40-19=21, Resulting Numbers: [11, 21] Generated Node #0,0,0: 21:[11, 21] Operation: 40-19=21 Exploring Operation: 40-11=29, Resulting Numbers: [19, 29] Generated Node #0,0,1: 21:[19, 29] Operation: 40-11=29 Exploring Operation: 19-11=8, Resulting Numbers: [40, 8] Generated Node #0,0,2: 21:[40, 8] Operation: 19-11=8 Exploring Operation: 19+11=30, Resulting Numbers: [40, 30] Generated Node #0,0,3: 21:[40, 30] Operation: 19+11=30 Moving to Node #0,0,0 Current State: 21:[11, 21], Operations: ['55-15=40', '40-19=21'] Exploring Operation: 11*21=231, Resulting Numbers: [231] 231,21 unequal: No Solution Exploring Operation: 21-11=10, Resulting Numbers: [10] 10,21 unequal: No Solution Exploring Operation: 11+21=32, Resulting Numbers: [32] 32,21 unequal: No Solution Moving to Node #0,0,1 Current State: 21:[19, 29], Operations: ['55-15=40', '40-11=29'] Exploring Operation: 19+29=48, Resulting Numbers: [48] 48,21 unequal: No Solution Exploring Operation: 19*29=551, Resulting Numbers: [551] 551,21 unequal: No Solution Exploring Operation: 29-19=10, Resulting Numbers: [10] 10,21 unequal: No Solution Moving to Node #0,0,2 Current State: 21:[40, 8], Operations: ['55-15=40', '19-11=8'] Exploring Operation: 40-8=32, Resulting Numbers: [32] 32,21 unequal: No Solution Exploring Operation: 40/8=5, Resulting Numbers: [5] 5,21 unequal: No Solution Exploring Operation: 40+8=48, Resulting Numbers: [48] 48,21 unequal: No Solution Exploring Operation: 40*8=320, Resulting Numbers: [320] 320,21 unequal: No Solution Moving to Node #0,0,3 Current State: 21:[40, 30], Operations: ['55-15=40', '19+11=30'] Exploring Operation: 40*30=1200, Resulting Numbers: [1200] 1200,21 unequal: No Solution Exploring Operation: 40+30=70, Resulting Numbers: [70] 70,21 unequal: No Solution Exploring Operation: 40-30=10, Resulting Numbers: [10] 10,21 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 21:[11, 15, 36], Operations: ['55-19=36'] Exploring Operation: 36-15=21, Resulting Numbers: [11, 21] Generated Node #0,2,0: 21:[11, 21] Operation: 36-15=21 Exploring Operation: 36-11=25, Resulting Numbers: [15, 25] Generated Node #0,2,1: 21:[15, 25] Operation: 36-11=25 Exploring Operation: 11+15=26, Resulting Numbers: [36, 26] Generated Node #0,2,2: 21:[36, 26] Operation: 11+15=26 Exploring Operation: 15-11=4, Resulting Numbers: [36, 4] Generated Node #0,2,3: 21:[36, 4] Operation: 15-11=4 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 21:[11, 21], Operations: ['55-19=36', '36-15=21'] Exploring Operation: 11*21=231, Resulting Numbers: [231] 231,21 unequal: No Solution Exploring Operation: 11+21=32, Resulting Numbers: [32] 32,21 unequal: No Solution Exploring Operation: 21-11=10, Resulting Numbers: [10] 10,21 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 21:[15, 25], Operations: ['55-19=36', '36-11=25'] Exploring Operation: 15*25=375, Resulting Numbers: [375] 375,21 unequal: No Solution Exploring Operation: 25-15=10, Resulting Numbers: [10] 10,21 unequal: No Solution Exploring Operation: 15+25=40, Resulting Numbers: [40] 40,21 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 21:[36, 4], Operations: ['55-19=36', '15-11=4'] Exploring Operation: 36/4=9, Resulting Numbers: [9] 9,21 unequal: No Solution Exploring Operation: 36*4=144, Resulting Numbers: [144] 144,21 unequal: No Solution Exploring Operation: 36-4=32, Resulting Numbers: [32] 32,21 unequal: No Solution Exploring Operation: 36+4=40, Resulting Numbers: [40] 40,21 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 21:[36, 26], Operations: ['55-19=36', '11+15=26'] Exploring Operation: 36-26=10, Resulting Numbers: [10] 10,21 unequal: No Solution Exploring Operation: 36*26=936, Resulting Numbers: [936] 936,21 unequal: No Solution Exploring Operation: 36+26=62, Resulting Numbers: [62] 62,21 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 21:[19, 15, 44], Operations: ['55-11=44'] Exploring Operation: 44-19=25, Resulting Numbers: [15, 25] Generated Node #0,3,0: 21:[15, 25] Operation: 44-19=25 Exploring Operation: 19-15=4, Resulting Numbers: [44, 4] Generated Node #0,3,1: 21:[44, 4] Operation: 19-15=4 Exploring Operation: 19+15=34, Resulting Numbers: [44, 34] Generated Node #0,3,2: 21:[44, 34] Operation: 19+15=34 Exploring Operation: 44-15=29, Resulting Numbers: [19, 29] Generated Node #0,3,3: 21:[19, 29] Operation: 44-15=29 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 21:[15, 25], Operations: ['55-11=44', '44-19=25'] Exploring Operation: 25-15=10, Resulting Numbers: [10] 10,21 unequal: No Solution Exploring Operation: 15*25=375, Resulting Numbers: [375] 375,21 unequal: No Solution Exploring Operation: 15+25=40, Resulting Numbers: [40] 40,21 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 21:[19, 29], Operations: ['55-11=44', '44-15=29'] Exploring Operation: 19+29=48, Resulting Numbers: [48] 48,21 unequal: No Solution Exploring Operation: 19*29=551, Resulting Numbers: [551] 551,21 unequal: No Solution Exploring Operation: 29-19=10, Resulting Numbers: [10] 10,21 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 21:[44, 4], Operations: ['55-11=44', '19-15=4'] Exploring Operation: 44+4=48, Resulting Numbers: [48] 48,21 unequal: No Solution Exploring Operation: 44/4=11, Resulting Numbers: [11] 11,21 unequal: No Solution Exploring Operation: 44-4=40, Resulting Numbers: [40] 40,21 unequal: No Solution Exploring Operation: 44*4=176, Resulting Numbers: [176] 176,21 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 21:[44, 34], Operations: ['55-11=44', '19+15=34'] Exploring Operation: 44*34=1496, Resulting Numbers: [1496] 1496,21 unequal: No Solution Exploring Operation: 44+34=78, Resulting Numbers: [78] 78,21 unequal: No Solution Exploring Operation: 44-34=10, Resulting Numbers: [10] 10,21 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
sum_heuristic
[ 5, 32, 27, 28 ]
38
[ "5+32=37", "28-27=1", "37+1=38" ]
Current State: 38:[5, 32, 27, 28], Operations: [] Exploring Operation: 5+32=37, Resulting Numbers: [27, 28, 37] Generated Node #2: [27, 28, 37] from Operation: 5+32=37 Current State: 38:[27, 28, 37], Operations: ['5+32=37'] Exploring Operation: 28-27=1, Resulting Numbers: [37, 1] Generated Node #3: [37, 1] from Operation: 28-27=1 Current State: 38:[37, 1], Operations: ['5+32=37', '28-27=1'] Exploring Operation: 37+1=38, Resulting Numbers: [38] 38,38 equal: Goal Reached
4
Current State: 38:[5, 32, 27, 28], Operations: [] Exploring Operation: 32-27=5, Resulting Numbers: [5, 28, 5] Generated Node #0,0: 38:[5, 28, 5] Operation: 32-27=5 Exploring Operation: 5+32=37, Resulting Numbers: [27, 28, 37] Generated Node #0,1: 38:[27, 28, 37] Operation: 5+32=37 Exploring Operation: 32-28=4, Resulting Numbers: [5, 27, 4] Generated Node #0,2: 38:[5, 27, 4] Operation: 32-28=4 Exploring Operation: 28-27=1, Resulting Numbers: [5, 32, 1] Generated Node #0,3: 38:[5, 32, 1] Operation: 28-27=1 Moving to Node #0,3 Current State: 38:[5, 32, 1], Operations: ['28-27=1'] Exploring Operation: 5+32=37, Resulting Numbers: [1, 37] Generated Node #0,3,0: 38:[1, 37] Operation: 5+32=37 Exploring Operation: 32-5=27, Resulting Numbers: [1, 27] Generated Node #0,3,1: 38:[1, 27] Operation: 32-5=27 Exploring Operation: 32+1=33, Resulting Numbers: [5, 33] Generated Node #0,3,2: 38:[5, 33] Operation: 32+1=33 Exploring Operation: 5-1=4, Resulting Numbers: [32, 4] Generated Node #0,3,3: 38:[32, 4] Operation: 5-1=4 Moving to Node #0,2 Current State: 38:[5, 27, 4], Operations: ['32-28=4'] Exploring Operation: 5*4=20, Resulting Numbers: [27, 20] Generated Node #0,2,0: 38:[27, 20] Operation: 5*4=20 Exploring Operation: 27-5=22, Resulting Numbers: [4, 22] Generated Node #0,2,1: 38:[4, 22] Operation: 27-5=22 Exploring Operation: 5+27=32, Resulting Numbers: [4, 32] Generated Node #0,2,2: 38:[4, 32] Operation: 5+27=32 Exploring Operation: 27-4=23, Resulting Numbers: [5, 23] Generated Node #0,2,3: 38:[5, 23] Operation: 27-4=23 Moving to Node #0,0 Current State: 38:[5, 28, 5], Operations: ['32-27=5'] Exploring Operation: 28-5=23, Resulting Numbers: [5, 23] Generated Node #0,0,0: 38:[5, 23] Operation: 28-5=23 Exploring Operation: 5+28=33, Resulting Numbers: [5, 33] Generated Node #0,0,1: 38:[5, 33] Operation: 5+28=33 Exploring Operation: 28+5=33, Resulting Numbers: [5, 33] Generated Node #0,0,2: 38:[5, 33] Operation: 28+5=33 Exploring Operation: 28-5=23, Resulting Numbers: [5, 23] Generated Node #0,0,3: 38:[5, 23] Operation: 28-5=23 Moving to Node #0,1 Current State: 38:[27, 28, 37], Operations: ['5+32=37'] Exploring Operation: 28-27=1, Resulting Numbers: [37, 1] Generated Node #0,1,0: 38:[37, 1] Operation: 28-27=1 Exploring Operation: 27+28=55, Resulting Numbers: [37, 55] Generated Node #0,1,1: 38:[37, 55] Operation: 27+28=55 Exploring Operation: 37-27=10, Resulting Numbers: [28, 10] Generated Node #0,1,2: 38:[28, 10] Operation: 37-27=10 Exploring Operation: 37-28=9, Resulting Numbers: [27, 9] Generated Node #0,1,3: 38:[27, 9] Operation: 37-28=9 Moving to Node #0,3,0 Current State: 38:[1, 37], Operations: ['28-27=1', '5+32=37'] Exploring Operation: 37/1=37, Resulting Numbers: [37] 37,38 unequal: No Solution Exploring Operation: 1+37=38, Resulting Numbers: [38] 38,38 equal: Goal Reached Moving to Node #0 Current State: 38:[5, 32, 27, 28], Operations: [] Exploring Operation: 28-27=1, Resulting Numbers: [5, 32, 1] Generated Node #0,3: 38:[5, 32, 1] Operation: 28-27=1 Moving to Node #0,3 Current State: 38:[5, 32, 1], Operations: ['28-27=1'] Exploring Operation: 5+32=37, Resulting Numbers: [1, 37] Generated Node #0,3,0: 38:[1, 37] Operation: 5+32=37 Moving to Node #0,3,0 Current State: 38:[1, 37], Operations: ['28-27=1', '5+32=37'] Exploring Operation: 1+37=38, Resulting Numbers: [38] 38,38 equal: Goal Reached
0.977431
hs_4
sum_heuristic
[ 32, 83, 35, 58 ]
42
[ "83-32=51", "35+58=93", "93-51=42" ]
Current State: 42:[32, 83, 35, 58], Operations: [] Exploring Operation: 83-32=51, Resulting Numbers: [35, 58, 51] Generated Node #2: [35, 58, 51] from Operation: 83-32=51 Current State: 42:[35, 58, 51], Operations: ['83-32=51'] Exploring Operation: 35+58=93, Resulting Numbers: [51, 93] Generated Node #3: [51, 93] from Operation: 35+58=93 Current State: 42:[51, 93], Operations: ['83-32=51', '35+58=93'] Exploring Operation: 93-51=42, Resulting Numbers: [42] 42,42 equal: Goal Reached
4
Current State: 42:[32, 83, 35, 58], Operations: [] Exploring Operation: 83-58=25, Resulting Numbers: [32, 35, 25] Generated Node #0,0: 42:[32, 35, 25] Operation: 83-58=25 Exploring Operation: 83-32=51, Resulting Numbers: [35, 58, 51] Generated Node #0,1: 42:[35, 58, 51] Operation: 83-32=51 Moving to Node #0,0 Current State: 42:[32, 35, 25], Operations: ['83-58=25'] Exploring Operation: 35-32=3, Resulting Numbers: [25, 3] Generated Node #0,0,0: 42:[25, 3] Operation: 35-32=3 Exploring Operation: 32-25=7, Resulting Numbers: [35, 7] Generated Node #0,0,1: 42:[35, 7] Operation: 32-25=7 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 42:[25, 3], Operations: ['83-58=25', '35-32=3'] Exploring Operation: 25-3=22, Resulting Numbers: [22] 22,42 unequal: No Solution Exploring Operation: 25+3=28, Resulting Numbers: [28] 28,42 unequal: No Solution No 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: 42:[35, 7], Operations: ['83-58=25', '32-25=7'] Exploring Operation: 35+7=42, Resulting Numbers: [42] 42,42 equal: Goal Reached Moving to Node #0 Current State: 42:[32, 83, 35, 58], Operations: [] Exploring Operation: 83-58=25, Resulting Numbers: [32, 35, 25] Generated Node #0,0: 42:[32, 35, 25] Operation: 83-58=25 Moving to Node #0,0 Current State: 42:[32, 35, 25], Operations: ['83-58=25'] Exploring Operation: 32-25=7, Resulting Numbers: [35, 7] Generated Node #0,0,1: 42:[35, 7] Operation: 32-25=7 Moving to Node #0,0,1 Current State: 42:[35, 7], Operations: ['83-58=25', '32-25=7'] Exploring Operation: 35+7=42, Resulting Numbers: [42] 42,42 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_2
sum_heuristic
[ 10, 90, 78, 4 ]
26
[ "10+90=100", "78-4=74", "100-74=26" ]
Current State: 26:[10, 90, 78, 4], Operations: [] Exploring Operation: 10+90=100, Resulting Numbers: [78, 4, 100] Generated Node #2: [78, 4, 100] from Operation: 10+90=100 Current State: 26:[78, 4, 100], Operations: ['10+90=100'] Exploring Operation: 78-4=74, Resulting Numbers: [100, 74] Generated Node #3: [100, 74] from Operation: 78-4=74 Current State: 26:[100, 74], Operations: ['10+90=100', '78-4=74'] Exploring Operation: 100-74=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
4
Current State: 26:[10, 90, 78, 4], Operations: [] Exploring Operation: 90/10=9, Resulting Numbers: [78, 4, 9] Generated Node #0,0: 26:[78, 4, 9] Operation: 90/10=9 Exploring Operation: 90-10=80, Resulting Numbers: [78, 4, 80] Generated Node #0,1: 26:[78, 4, 80] Operation: 90-10=80 Exploring Operation: 90-78=12, Resulting Numbers: [10, 4, 12] Generated Node #0,2: 26:[10, 4, 12] Operation: 90-78=12 Start Sub Search at level 1: Moving to Node #0,2 Current State: 26:[10, 4, 12], Operations: ['90-78=12'] Exploring Operation: 12/4=3, Resulting Numbers: [10, 3] Generated Node #0,2,0: 26:[10, 3] Operation: 12/4=3 Exploring Operation: 12-10=2, Resulting Numbers: [4, 2] Generated Node #0,2,1: 26:[4, 2] Operation: 12-10=2 Exploring Operation: 10+4=14, Resulting Numbers: [12, 14] Generated Node #0,2,2: 26:[12, 14] Operation: 10+4=14 Moving to Node #0,2,1 Current State: 26:[4, 2], Operations: ['90-78=12', '12-10=2'] Exploring Operation: 4+2=6, Resulting Numbers: [6] 6,26 unequal: No Solution Exploring Operation: 4/2=2, Resulting Numbers: [2] 2,26 unequal: No Solution Exploring Operation: 4-2=2, Resulting Numbers: [2] 2,26 unequal: No Solution Moving to Node #0,2,2 Current State: 26:[12, 14], Operations: ['90-78=12', '10+4=14'] Exploring Operation: 12+14=26, Resulting Numbers: [26] 26,26 equal: Goal Reached Moving to Node #0 Current State: 26:[10, 90, 78, 4], Operations: [] Exploring Operation: 90-78=12, Resulting Numbers: [10, 4, 12] Generated Node #0,2: 26:[10, 4, 12] Operation: 90-78=12 Moving to Node #0,2 Current State: 26:[10, 4, 12], Operations: ['90-78=12'] Exploring Operation: 10+4=14, Resulting Numbers: [12, 14] Generated Node #0,2,2: 26:[12, 14] Operation: 10+4=14 Moving to Node #0,2,2 Current State: 26:[12, 14], Operations: ['90-78=12', '10+4=14'] Exploring Operation: 12+14=26, Resulting Numbers: [26] 26,26 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_3
sum_heuristic
[ 39, 59, 45, 44 ]
20
[ "59-39=20", "45-44=1", "20*1=20" ]
Current State: 20:[39, 59, 45, 44], Operations: [] Exploring Operation: 59-39=20, Resulting Numbers: [45, 44, 20] Generated Node #2: [45, 44, 20] from Operation: 59-39=20 Current State: 20:[45, 44, 20], Operations: ['59-39=20'] Exploring Operation: 45-44=1, Resulting Numbers: [20, 1] Generated Node #3: [20, 1] from Operation: 45-44=1 Current State: 20:[20, 1], Operations: ['59-39=20', '45-44=1'] Exploring Operation: 20*1=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[39, 59, 45, 44], Operations: [] Exploring Operation: 59-45=14, Resulting Numbers: [39, 44, 14] Generated Node #0,0: 20:[39, 44, 14] Operation: 59-45=14 Exploring Operation: 59-44=15, Resulting Numbers: [39, 45, 15] Generated Node #0,1: 20:[39, 45, 15] Operation: 59-44=15 Exploring Operation: 59-39=20, Resulting Numbers: [45, 44, 20] Generated Node #0,2: 20:[45, 44, 20] Operation: 59-39=20 Moving to Node #0,0 Current State: 20:[39, 44, 14], Operations: ['59-45=14'] Exploring Operation: 44-39=5, Resulting Numbers: [14, 5] Generated Node #0,0,0: 20:[14, 5] Operation: 44-39=5 Exploring Operation: 44-14=30, Resulting Numbers: [39, 30] Generated Node #0,0,1: 20:[39, 30] Operation: 44-14=30 Exploring Operation: 39-14=25, Resulting Numbers: [44, 25] Generated Node #0,0,2: 20:[44, 25] Operation: 39-14=25 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 20:[14, 5], Operations: ['59-45=14', '44-39=5'] Exploring Operation: 14*5=70, Resulting Numbers: [70] 70,20 unequal: No Solution Exploring Operation: 14-5=9, Resulting Numbers: [9] 9,20 unequal: No Solution Exploring Operation: 14+5=19, Resulting Numbers: [19] 19,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 20:[39, 30], Operations: ['59-45=14', '44-14=30'] Exploring Operation: 39*30=1170, Resulting Numbers: [1170] 1170,20 unequal: No Solution Exploring Operation: 39-30=9, Resulting Numbers: [9] 9,20 unequal: No Solution Exploring Operation: 39+30=69, Resulting Numbers: [69] 69,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 20:[44, 25], Operations: ['59-45=14', '39-14=25'] Exploring Operation: 44*25=1100, Resulting Numbers: [1100] 1100,20 unequal: No Solution Exploring Operation: 44-25=19, Resulting Numbers: [19] 19,20 unequal: No Solution Exploring Operation: 44+25=69, Resulting Numbers: [69] 69,20 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: 20:[39, 45, 15], Operations: ['59-44=15'] Exploring Operation: 39-15=24, Resulting Numbers: [45, 24] Generated Node #0,1,0: 20:[45, 24] Operation: 39-15=24 Exploring Operation: 45-39=6, Resulting Numbers: [15, 6] Generated Node #0,1,1: 20:[15, 6] Operation: 45-39=6 Exploring Operation: 45/15=3, Resulting Numbers: [39, 3] Generated Node #0,1,2: 20:[39, 3] Operation: 45/15=3 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 20:[15, 6], Operations: ['59-44=15', '45-39=6'] Exploring Operation: 15*6=90, Resulting Numbers: [90] 90,20 unequal: No Solution Exploring Operation: 15-6=9, Resulting Numbers: [9] 9,20 unequal: No Solution Exploring Operation: 15+6=21, Resulting Numbers: [21] 21,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 20:[39, 3], Operations: ['59-44=15', '45/15=3'] Exploring Operation: 39/3=13, Resulting Numbers: [13] 13,20 unequal: No Solution Exploring Operation: 39+3=42, Resulting Numbers: [42] 42,20 unequal: No Solution Exploring Operation: 39-3=36, Resulting Numbers: [36] 36,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 20:[45, 24], Operations: ['59-44=15', '39-15=24'] Exploring Operation: 45+24=69, Resulting Numbers: [69] 69,20 unequal: No Solution Exploring Operation: 45*24=1080, Resulting Numbers: [1080] 1080,20 unequal: No Solution Exploring Operation: 45-24=21, Resulting Numbers: [21] 21,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 20:[45, 44, 20], Operations: ['59-39=20'] Exploring Operation: 45-20=25, Resulting Numbers: [44, 25] Generated Node #0,2,0: 20:[44, 25] Operation: 45-20=25 Exploring Operation: 44-20=24, Resulting Numbers: [45, 24] Generated Node #0,2,1: 20:[45, 24] Operation: 44-20=24 Exploring Operation: 45-44=1, Resulting Numbers: [20, 1] Generated Node #0,2,2: 20:[20, 1] Operation: 45-44=1 Moving to Node #0,2,2 Current State: 20:[20, 1], Operations: ['59-39=20', '45-44=1'] Exploring Operation: 20*1=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Moving to Node #0 Current State: 20:[39, 59, 45, 44], Operations: [] Exploring Operation: 59-39=20, Resulting Numbers: [45, 44, 20] Generated Node #0,2: 20:[45, 44, 20] Operation: 59-39=20 Moving to Node #0,2 Current State: 20:[45, 44, 20], Operations: ['59-39=20'] Exploring Operation: 45-44=1, Resulting Numbers: [20, 1] Generated Node #0,2,2: 20:[20, 1] Operation: 45-44=1 Moving to Node #0,2,2 Current State: 20:[20, 1], Operations: ['59-39=20', '45-44=1'] Exploring Operation: 20*1=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
0.969618
hs_3
sum_heuristic
[ 64, 6, 29, 36 ]
65
[ "64-6=58", "36-29=7", "58+7=65" ]
Current State: 65:[64, 6, 29, 36], Operations: [] Exploring Operation: 64-6=58, Resulting Numbers: [29, 36, 58] Generated Node #2: [29, 36, 58] from Operation: 64-6=58 Current State: 65:[29, 36, 58], Operations: ['64-6=58'] Exploring Operation: 36-29=7, Resulting Numbers: [58, 7] Generated Node #3: [58, 7] from Operation: 36-29=7 Current State: 65:[58, 7], Operations: ['64-6=58', '36-29=7'] Exploring Operation: 58+7=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
4
Current State: 65:[64, 6, 29, 36], Operations: [] Exploring Operation: 36/6=6, Resulting Numbers: [64, 29, 6] Generated Node #0,0: 65:[64, 29, 6] Operation: 36/6=6 Exploring Operation: 36-29=7, Resulting Numbers: [64, 6, 7] Generated Node #0,1: 65:[64, 6, 7] Operation: 36-29=7 Exploring Operation: 29+36=65, Resulting Numbers: [64, 6, 65] Generated Node #0,2: 65:[64, 6, 65] Operation: 29+36=65 Start Sub Search at level 1: Moving to Node #0,2 Current State: 65:[64, 6, 65], Operations: ['29+36=65'] Exploring Operation: 65-64=1, Resulting Numbers: [6, 1] Generated Node #0,2,0: 65:[6, 1] Operation: 65-64=1 Exploring Operation: 64+6=70, Resulting Numbers: [65, 70] Generated Node #0,2,1: 65:[65, 70] Operation: 64+6=70 Exploring Operation: 64-6=58, Resulting Numbers: [65, 58] Generated Node #0,2,2: 65:[65, 58] Operation: 64-6=58 Moving to Node #0,2,0 Current State: 65:[6, 1], Operations: ['29+36=65', '65-64=1'] Exploring Operation: 6-1=5, Resulting Numbers: [5] 5,65 unequal: No Solution Exploring Operation: 6*1=6, Resulting Numbers: [6] 6,65 unequal: No Solution Exploring Operation: 6/1=6, Resulting Numbers: [6] 6,65 unequal: No Solution Moving to Node #0,2,1 Current State: 65:[65, 70], Operations: ['29+36=65', '64+6=70'] Exploring Operation: 65*70=4550, Resulting Numbers: [4550] 4550,65 unequal: No Solution Exploring Operation: 70-65=5, Resulting Numbers: [5] 5,65 unequal: No Solution Exploring Operation: 65+70=135, Resulting Numbers: [135] 135,65 unequal: No Solution Moving to Node #0,2,2 Current State: 65:[65, 58], Operations: ['29+36=65', '64-6=58'] Exploring Operation: 65-58=7, Resulting Numbers: [7] 7,65 unequal: No Solution Exploring Operation: 65*58=3770, Resulting Numbers: [3770] 3770,65 unequal: No Solution Exploring Operation: 65+58=123, Resulting Numbers: [123] 123,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 65:[64, 6, 7], Operations: ['36-29=7'] Exploring Operation: 64+6=70, Resulting Numbers: [7, 70] Generated Node #0,1,0: 65:[7, 70] Operation: 64+6=70 Exploring Operation: 7-6=1, Resulting Numbers: [64, 1] Generated Node #0,1,1: 65:[64, 1] Operation: 7-6=1 Exploring Operation: 6+7=13, Resulting Numbers: [64, 13] Generated Node #0,1,2: 65:[64, 13] Operation: 6+7=13 Moving to Node #0,1,2 Current State: 65:[64, 13], Operations: ['36-29=7', '6+7=13'] Exploring Operation: 64+13=77, Resulting Numbers: [77] 77,65 unequal: No Solution Exploring Operation: 64-13=51, Resulting Numbers: [51] 51,65 unequal: No Solution Exploring Operation: 64*13=832, Resulting Numbers: [832] 832,65 unequal: No Solution Moving to Node #0,1,1 Current State: 65:[64, 1], Operations: ['36-29=7', '7-6=1'] Exploring Operation: 64/1=64, Resulting Numbers: [64] 64,65 unequal: No Solution Exploring Operation: 64*1=64, Resulting Numbers: [64] 64,65 unequal: No Solution Exploring Operation: 64+1=65, Resulting Numbers: [65] 65,65 equal: Goal Reached Moving to Node #0 Current State: 65:[64, 6, 29, 36], Operations: [] Exploring Operation: 36-29=7, Resulting Numbers: [64, 6, 7] Generated Node #0,1: 65:[64, 6, 7] Operation: 36-29=7 Moving to Node #0,1 Current State: 65:[64, 6, 7], Operations: ['36-29=7'] Exploring Operation: 7-6=1, Resulting Numbers: [64, 1] Generated Node #0,1,1: 65:[64, 1] Operation: 7-6=1 Moving to Node #0,1,1 Current State: 65:[64, 1], Operations: ['36-29=7', '7-6=1'] Exploring Operation: 64+1=65, Resulting Numbers: [65] 65,65 equal: Goal Reached Exit Sub Search at level 1
0.975694
hs_3
sum_heuristic
[ 21, 82, 30, 54 ]
76
[ "30-21=9", "54/9=6", "82-6=76" ]
Current State: 76:[21, 82, 30, 54], Operations: [] Exploring Operation: 30-21=9, Resulting Numbers: [82, 54, 9] Generated Node #2: [82, 54, 9] from Operation: 30-21=9 Current State: 76:[82, 54, 9], Operations: ['30-21=9'] Exploring Operation: 54/9=6, Resulting Numbers: [82, 6] Generated Node #3: [82, 6] from Operation: 54/9=6 Current State: 76:[82, 6], Operations: ['30-21=9', '54/9=6'] Exploring Operation: 82-6=76, Resulting Numbers: [76] 76,76 equal: Goal Reached
4
Current State: 76:[21, 82, 30, 54], Operations: [] Exploring Operation: 54-30=24, Resulting Numbers: [21, 82, 24] Generated Node #0,0: 76:[21, 82, 24] Operation: 54-30=24 Exploring Operation: 30+54=84, Resulting Numbers: [21, 82, 84] Generated Node #0,1: 76:[21, 82, 84] Operation: 30+54=84 Exploring Operation: 21+54=75, Resulting Numbers: [82, 30, 75] Generated Node #0,2: 76:[82, 30, 75] Operation: 21+54=75 Moving to Node #0,0 Current State: 76:[21, 82, 24], Operations: ['54-30=24'] Exploring Operation: 21+24=45, Resulting Numbers: [82, 45] Generated Node #0,0,0: 76:[82, 45] Operation: 21+24=45 Exploring Operation: 24-21=3, Resulting Numbers: [82, 3] Generated Node #0,0,1: 76:[82, 3] Operation: 24-21=3 Exploring Operation: 82-21=61, Resulting Numbers: [24, 61] Generated Node #0,0,2: 76:[24, 61] Operation: 82-21=61 Moving to Node #0,2 Current State: 76:[82, 30, 75], Operations: ['21+54=75'] Exploring Operation: 75-30=45, Resulting Numbers: [82, 45] Generated Node #0,2,0: 76:[82, 45] Operation: 75-30=45 Exploring Operation: 82-30=52, Resulting Numbers: [75, 52] Generated Node #0,2,1: 76:[75, 52] Operation: 82-30=52 Exploring Operation: 82-75=7, Resulting Numbers: [30, 7] Generated Node #0,2,2: 76:[30, 7] Operation: 82-75=7 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 76:[30, 7], Operations: ['21+54=75', '82-75=7'] Exploring Operation: 30-7=23, Resulting Numbers: [23] 23,76 unequal: No Solution Exploring Operation: 30+7=37, Resulting Numbers: [37] 37,76 unequal: No Solution Exploring Operation: 30*7=210, Resulting Numbers: [210] 210,76 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 76:[82, 45], Operations: ['21+54=75', '75-30=45'] Exploring Operation: 82+45=127, Resulting Numbers: [127] 127,76 unequal: No Solution Exploring Operation: 82*45=3690, Resulting Numbers: [3690] 3690,76 unequal: No Solution Exploring Operation: 82-45=37, Resulting Numbers: [37] 37,76 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 76:[75, 52], Operations: ['21+54=75', '82-30=52'] Exploring Operation: 75+52=127, Resulting Numbers: [127] 127,76 unequal: No Solution Exploring Operation: 75-52=23, Resulting Numbers: [23] 23,76 unequal: No Solution Exploring Operation: 75*52=3900, Resulting Numbers: [3900] 3900,76 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 76:[21, 82, 84], Operations: ['30+54=84'] Exploring Operation: 84/21=4, Resulting Numbers: [82, 4] Generated Node #0,1,0: 76:[82, 4] Operation: 84/21=4 Exploring Operation: 84-21=63, Resulting Numbers: [82, 63] Generated Node #0,1,1: 76:[82, 63] Operation: 84-21=63 Exploring Operation: 84-82=2, Resulting Numbers: [21, 2] Generated Node #0,1,2: 76:[21, 2] Operation: 84-82=2 Moving to Node #0,1,2 Current State: 76:[21, 2], Operations: ['30+54=84', '84-82=2'] Exploring Operation: 21*2=42, Resulting Numbers: [42] 42,76 unequal: No Solution Exploring Operation: 21+2=23, Resulting Numbers: [23] 23,76 unequal: No Solution Exploring Operation: 21-2=19, Resulting Numbers: [19] 19,76 unequal: No Solution Moving to Node #0,1,0 Current State: 76:[82, 4], Operations: ['30+54=84', '84/21=4'] Exploring Operation: 82-4=78, Resulting Numbers: [78] 78,76 unequal: No Solution Exploring Operation: 82+4=86, Resulting Numbers: [86] 86,76 unequal: No Solution Exploring Operation: 82*4=328, Resulting Numbers: [328] 328,76 unequal: No Solution Moving to Node #0,0,1 Current State: 76:[82, 3], Operations: ['54-30=24', '24-21=3'] Exploring Operation: 82+3=85, Resulting Numbers: [85] 85,76 unequal: No Solution Exploring Operation: 82*3=246, Resulting Numbers: [246] 246,76 unequal: No Solution Exploring Operation: 82-3=79, Resulting Numbers: [79] 79,76 unequal: No Solution Moving to Node #0,0,0 Current State: 76:[82, 45], Operations: ['54-30=24', '21+24=45'] Exploring Operation: 82+45=127, Resulting Numbers: [127] 127,76 unequal: No Solution Exploring Operation: 82*45=3690, Resulting Numbers: [3690] 3690,76 unequal: No Solution Exploring Operation: 82-45=37, Resulting Numbers: [37] 37,76 unequal: No Solution Moving to Node #0,1,1 Current State: 76:[82, 63], Operations: ['30+54=84', '84-21=63'] Exploring Operation: 82+63=145, Resulting Numbers: [145] 145,76 unequal: No Solution Exploring Operation: 82-63=19, Resulting Numbers: [19] 19,76 unequal: No Solution Exploring Operation: 82*63=5166, Resulting Numbers: [5166] 5166,76 unequal: No Solution Moving to Node #0,0,2 Current State: 76:[24, 61], Operations: ['54-30=24', '82-21=61'] Exploring Operation: 24*61=1464, Resulting Numbers: [1464] 1464,76 unequal: No Solution Exploring Operation: 24+61=85, Resulting Numbers: [85] 85,76 unequal: No Solution Exploring Operation: 61-24=37, Resulting Numbers: [37] 37,76 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 44, 41, 94, 49 ]
58
[ "44+41=85", "94+49=143", "143-85=58" ]
Current State: 58:[44, 41, 94, 49], Operations: [] Exploring Operation: 44+41=85, Resulting Numbers: [94, 49, 85] Generated Node #2: [94, 49, 85] from Operation: 44+41=85 Current State: 58:[94, 49, 85], Operations: ['44+41=85'] Exploring Operation: 94+49=143, Resulting Numbers: [85, 143] Generated Node #3: [85, 143] from Operation: 94+49=143 Current State: 58:[85, 143], Operations: ['44+41=85', '94+49=143'] Exploring Operation: 143-85=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[44, 41, 94, 49], Operations: [] Exploring Operation: 94-41=53, Resulting Numbers: [44, 49, 53] Generated Node #0,0: 58:[44, 49, 53] Operation: 94-41=53 Moving to Node #0,0 Current State: 58:[44, 49, 53], Operations: ['94-41=53'] Exploring Operation: 49-44=5, Resulting Numbers: [53, 5] Generated Node #0,0,0: 58:[53, 5] Operation: 49-44=5 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 58:[53, 5], Operations: ['94-41=53', '49-44=5'] Exploring Operation: 53+5=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Moving to Node #0 Current State: 58:[44, 41, 94, 49], Operations: [] Exploring Operation: 94-41=53, Resulting Numbers: [44, 49, 53] Generated Node #0,0: 58:[44, 49, 53] Operation: 94-41=53 Moving to Node #0,0 Current State: 58:[44, 49, 53], Operations: ['94-41=53'] Exploring Operation: 49-44=5, Resulting Numbers: [53, 5] Generated Node #0,0,0: 58:[53, 5] Operation: 49-44=5 Moving to Node #0,0,0 Current State: 58:[53, 5], Operations: ['94-41=53', '49-44=5'] Exploring Operation: 53+5=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 6, 17, 32, 47 ]
23
[ "6*17=102", "32+47=79", "102-79=23" ]
Current State: 23:[6, 17, 32, 47], Operations: [] Exploring Operation: 6*17=102, Resulting Numbers: [32, 47, 102] Generated Node #2: [32, 47, 102] from Operation: 6*17=102 Current State: 23:[32, 47, 102], Operations: ['6*17=102'] Exploring Operation: 32+47=79, Resulting Numbers: [102, 79] Generated Node #3: [102, 79] from Operation: 32+47=79 Current State: 23:[102, 79], Operations: ['6*17=102', '32+47=79'] Exploring Operation: 102-79=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
4
Current State: 23:[6, 17, 32, 47], Operations: [] Exploring Operation: 47-6=41, Resulting Numbers: [17, 32, 41] Generated Node #0,0: 23:[17, 32, 41] Operation: 47-6=41 Exploring Operation: 47-17=30, Resulting Numbers: [6, 32, 30] Generated Node #0,1: 23:[6, 32, 30] Operation: 47-17=30 Exploring Operation: 6+17=23, Resulting Numbers: [32, 47, 23] Generated Node #0,2: 23:[32, 47, 23] Operation: 6+17=23 Exploring Operation: 32-6=26, Resulting Numbers: [17, 47, 26] Generated Node #0,3: 23:[17, 47, 26] Operation: 32-6=26 Exploring Operation: 47-32=15, Resulting Numbers: [6, 17, 15] Generated Node #0,4: 23:[6, 17, 15] Operation: 47-32=15 Start Sub Search at level 1: Moving to Node #0,4 Current State: 23:[6, 17, 15], Operations: ['47-32=15'] Exploring Operation: 6+15=21, Resulting Numbers: [17, 21] Generated Node #0,4,0: 23:[17, 21] Operation: 6+15=21 Exploring Operation: 17+15=32, Resulting Numbers: [6, 32] Generated Node #0,4,1: 23:[6, 32] Operation: 17+15=32 Exploring Operation: 17-6=11, Resulting Numbers: [15, 11] Generated Node #0,4,2: 23:[15, 11] Operation: 17-6=11 Exploring Operation: 6+17=23, Resulting Numbers: [15, 23] Generated Node #0,4,3: 23:[15, 23] Operation: 6+17=23 Exploring Operation: 15-6=9, Resulting Numbers: [17, 9] Generated Node #0,4,4: 23:[17, 9] Operation: 15-6=9 Moving to Node #0,4,0 Current State: 23:[17, 21], Operations: ['47-32=15', '6+15=21'] Exploring Operation: 17+21=38, Resulting Numbers: [38] 38,23 unequal: No Solution Exploring Operation: 17*21=357, Resulting Numbers: [357] 357,23 unequal: No Solution Exploring Operation: 21-17=4, Resulting Numbers: [4] 4,23 unequal: No Solution Moving to Node #0,4,3 Current State: 23:[15, 23], Operations: ['47-32=15', '6+17=23'] Exploring Operation: 23-15=8, Resulting Numbers: [8] 8,23 unequal: No Solution Exploring Operation: 15*23=345, Resulting Numbers: [345] 345,23 unequal: No Solution Exploring Operation: 15+23=38, Resulting Numbers: [38] 38,23 unequal: No Solution Moving to Node #0,4,2 Current State: 23:[15, 11], Operations: ['47-32=15', '17-6=11'] Exploring Operation: 15-11=4, Resulting Numbers: [4] 4,23 unequal: No Solution Exploring Operation: 15*11=165, Resulting Numbers: [165] 165,23 unequal: No Solution Exploring Operation: 15+11=26, Resulting Numbers: [26] 26,23 unequal: No Solution Moving to Node #0,4,4 Current State: 23:[17, 9], Operations: ['47-32=15', '15-6=9'] Exploring Operation: 17-9=8, Resulting Numbers: [8] 8,23 unequal: No Solution Exploring Operation: 17*9=153, Resulting Numbers: [153] 153,23 unequal: No Solution Exploring Operation: 17+9=26, Resulting Numbers: [26] 26,23 unequal: No Solution Moving to Node #0,4,1 Current State: 23:[6, 32], Operations: ['47-32=15', '17+15=32'] Exploring Operation: 6+32=38, Resulting Numbers: [38] 38,23 unequal: No Solution Exploring Operation: 6*32=192, Resulting Numbers: [192] 192,23 unequal: No Solution Exploring Operation: 32-6=26, Resulting Numbers: [26] 26,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 23:[17, 32, 41], Operations: ['47-6=41'] Exploring Operation: 41-17=24, Resulting Numbers: [32, 24] Generated Node #0,0,0: 23:[32, 24] Operation: 41-17=24 Exploring Operation: 17+32=49, Resulting Numbers: [41, 49] Generated Node #0,0,1: 23:[41, 49] Operation: 17+32=49 Exploring Operation: 17+41=58, Resulting Numbers: [32, 58] Generated Node #0,0,2: 23:[32, 58] Operation: 17+41=58 Exploring Operation: 32-17=15, Resulting Numbers: [41, 15] Generated Node #0,0,3: 23:[41, 15] Operation: 32-17=15 Exploring Operation: 41-32=9, Resulting Numbers: [17, 9] Generated Node #0,0,4: 23:[17, 9] Operation: 41-32=9 Moving to Node #0,0,0 Current State: 23:[32, 24], Operations: ['47-6=41', '41-17=24'] Exploring Operation: 32+24=56, Resulting Numbers: [56] 56,23 unequal: No Solution Exploring Operation: 32*24=768, Resulting Numbers: [768] 768,23 unequal: No Solution Exploring Operation: 32-24=8, Resulting Numbers: [8] 8,23 unequal: No Solution Moving to Node #0,0,4 Current State: 23:[17, 9], Operations: ['47-6=41', '41-32=9'] Exploring Operation: 17+9=26, Resulting Numbers: [26] 26,23 unequal: No Solution Exploring Operation: 17*9=153, Resulting Numbers: [153] 153,23 unequal: No Solution Exploring Operation: 17-9=8, Resulting Numbers: [8] 8,23 unequal: No Solution Moving to Node #0,0,3 Current State: 23:[41, 15], Operations: ['47-6=41', '32-17=15'] Exploring Operation: 41-15=26, Resulting Numbers: [26] 26,23 unequal: No Solution Exploring Operation: 41+15=56, Resulting Numbers: [56] 56,23 unequal: No Solution Exploring Operation: 41*15=615, Resulting Numbers: [615] 615,23 unequal: No Solution Moving to Node #0,0,1 Current State: 23:[41, 49], Operations: ['47-6=41', '17+32=49'] Exploring Operation: 49-41=8, Resulting Numbers: [8] 8,23 unequal: No Solution Exploring Operation: 41+49=90, Resulting Numbers: [90] 90,23 unequal: No Solution Exploring Operation: 41*49=2009, Resulting Numbers: [2009] 2009,23 unequal: No Solution Moving to Node #0,0,2 Current State: 23:[32, 58], Operations: ['47-6=41', '17+41=58'] Exploring Operation: 58-32=26, Resulting Numbers: [26] 26,23 unequal: No Solution Exploring Operation: 32*58=1856, Resulting Numbers: [1856] 1856,23 unequal: No Solution Exploring Operation: 32+58=90, Resulting Numbers: [90] 90,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 23:[6, 32, 30], Operations: ['47-17=30'] Exploring Operation: 32-6=26, Resulting Numbers: [30, 26] Generated Node #0,1,0: 23:[30, 26] Operation: 32-6=26 Exploring Operation: 30-6=24, Resulting Numbers: [32, 24] Generated Node #0,1,1: 23:[32, 24] Operation: 30-6=24 Exploring Operation: 30/6=5, Resulting Numbers: [32, 5] Generated Node #0,1,2: 23:[32, 5] Operation: 30/6=5 Exploring Operation: 6+30=36, Resulting Numbers: [32, 36] Generated Node #0,1,3: 23:[32, 36] Operation: 6+30=36 Exploring Operation: 6+32=38, Resulting Numbers: [30, 38] Generated Node #0,1,4: 23:[30, 38] Operation: 6+32=38 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 23:[30, 26], Operations: ['47-17=30', '32-6=26'] Exploring Operation: 30-26=4, Resulting Numbers: [4] 4,23 unequal: No Solution Exploring Operation: 30+26=56, Resulting Numbers: [56] 56,23 unequal: No Solution Exploring Operation: 30*26=780, Resulting Numbers: [780] 780,23 unequal: No Solution No 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: 23:[32, 24], Operations: ['47-17=30', '30-6=24'] Exploring Operation: 32+24=56, Resulting Numbers: [56] 56,23 unequal: No Solution Exploring Operation: 32*24=768, Resulting Numbers: [768] 768,23 unequal: No Solution Exploring Operation: 32-24=8, Resulting Numbers: [8] 8,23 unequal: No Solution No 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: 23:[32, 36], Operations: ['47-17=30', '6+30=36'] Exploring Operation: 32+36=68, Resulting Numbers: [68] 68,23 unequal: No Solution Exploring Operation: 36-32=4, Resulting Numbers: [4] 4,23 unequal: No Solution Exploring Operation: 32*36=1152, Resulting Numbers: [1152] 1152,23 unequal: No Solution No 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: 23:[30, 38], Operations: ['47-17=30', '6+32=38'] Exploring Operation: 30+38=68, Resulting Numbers: [68] 68,23 unequal: No Solution Exploring Operation: 38-30=8, Resulting Numbers: [8] 8,23 unequal: No Solution Exploring Operation: 30*38=1140, Resulting Numbers: [1140] 1140,23 unequal: No Solution No 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: 23:[32, 5], Operations: ['47-17=30', '30/6=5'] Exploring Operation: 32*5=160, Resulting Numbers: [160] 160,23 unequal: No Solution Exploring Operation: 32-5=27, Resulting Numbers: [27] 27,23 unequal: No Solution Exploring Operation: 32+5=37, Resulting Numbers: [37] 37,23 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: 23:[32, 47, 23], Operations: ['6+17=23'] Exploring Operation: 32+47=79, Resulting Numbers: [23, 79] Generated Node #0,2,0: 23:[23, 79] Operation: 32+47=79 Exploring Operation: 47-32=15, Resulting Numbers: [23, 15] Generated Node #0,2,1: 23:[23, 15] Operation: 47-32=15 Exploring Operation: 32+23=55, Resulting Numbers: [47, 55] Generated Node #0,2,2: 23:[47, 55] Operation: 32+23=55 Exploring Operation: 32-23=9, Resulting Numbers: [47, 9] Generated Node #0,2,3: 23:[47, 9] Operation: 32-23=9 Exploring Operation: 47-23=24, Resulting Numbers: [32, 24] Generated Node #0,2,4: 23:[32, 24] Operation: 47-23=24 Moving to Node #0,2,1 Current State: 23:[23, 15], Operations: ['6+17=23', '47-32=15'] Exploring Operation: 23+15=38, Resulting Numbers: [38] 38,23 unequal: No Solution Exploring Operation: 23*15=345, Resulting Numbers: [345] 345,23 unequal: No Solution Exploring Operation: 23-15=8, Resulting Numbers: [8] 8,23 unequal: No Solution Moving to Node #0,2,4 Current State: 23:[32, 24], Operations: ['6+17=23', '47-23=24'] Exploring Operation: 32*24=768, Resulting Numbers: [768] 768,23 unequal: No Solution Exploring Operation: 32+24=56, Resulting Numbers: [56] 56,23 unequal: No Solution Exploring Operation: 32-24=8, Resulting Numbers: [8] 8,23 unequal: No Solution Moving to Node #0,2,3 Current State: 23:[47, 9], Operations: ['6+17=23', '32-23=9'] Exploring Operation: 47+9=56, Resulting Numbers: [56] 56,23 unequal: No Solution Exploring Operation: 47-9=38, Resulting Numbers: [38] 38,23 unequal: No Solution Exploring Operation: 47*9=423, Resulting Numbers: [423] 423,23 unequal: No Solution Moving to Node #0,2,0 Current State: 23:[23, 79], Operations: ['6+17=23', '32+47=79'] Exploring Operation: 23*79=1817, Resulting Numbers: [1817] 1817,23 unequal: No Solution Exploring Operation: 23+79=102, Resulting Numbers: [102] 102,23 unequal: No Solution Exploring Operation: 79-23=56, Resulting Numbers: [56] 56,23 unequal: No Solution Moving to Node #0,2,2 Current State: 23:[47, 55], Operations: ['6+17=23', '32+23=55'] Exploring Operation: 47+55=102, Resulting Numbers: [102] 102,23 unequal: No Solution Exploring Operation: 55-47=8, Resulting Numbers: [8] 8,23 unequal: No Solution Exploring Operation: 47*55=2585, Resulting Numbers: [2585] 2585,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 23:[17, 47, 26], Operations: ['32-6=26'] Exploring Operation: 26-17=9, Resulting Numbers: [47, 9] Generated Node #0,3,0: 23:[47, 9] Operation: 26-17=9 Exploring Operation: 17+47=64, Resulting Numbers: [26, 64] Generated Node #0,3,1: 23:[26, 64] Operation: 17+47=64 Exploring Operation: 17+26=43, Resulting Numbers: [47, 43] Generated Node #0,3,2: 23:[47, 43] Operation: 17+26=43 Exploring Operation: 47-26=21, Resulting Numbers: [17, 21] Generated Node #0,3,3: 23:[17, 21] Operation: 47-26=21 Exploring Operation: 47-17=30, Resulting Numbers: [26, 30] Generated Node #0,3,4: 23:[26, 30] Operation: 47-17=30 Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 23:[17, 21], Operations: ['32-6=26', '47-26=21'] Exploring Operation: 17*21=357, Resulting Numbers: [357] 357,23 unequal: No Solution Exploring Operation: 17+21=38, Resulting Numbers: [38] 38,23 unequal: No Solution Exploring Operation: 21-17=4, Resulting Numbers: [4] 4,23 unequal: No Solution No 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: 23:[26, 30], Operations: ['32-6=26', '47-17=30'] Exploring Operation: 30-26=4, Resulting Numbers: [4] 4,23 unequal: No Solution Exploring Operation: 26+30=56, Resulting Numbers: [56] 56,23 unequal: No Solution Exploring Operation: 26*30=780, Resulting Numbers: [780] 780,23 unequal: No Solution No 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: 23:[47, 9], Operations: ['32-6=26', '26-17=9'] Exploring Operation: 47-9=38, Resulting Numbers: [38] 38,23 unequal: No Solution Exploring Operation: 47+9=56, Resulting Numbers: [56] 56,23 unequal: No Solution Exploring Operation: 47*9=423, Resulting Numbers: [423] 423,23 unequal: No Solution No 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: 23:[26, 64], Operations: ['32-6=26', '17+47=64'] Exploring Operation: 26*64=1664, Resulting Numbers: [1664] 1664,23 unequal: No Solution Exploring Operation: 26+64=90, Resulting Numbers: [90] 90,23 unequal: No Solution Exploring Operation: 64-26=38, Resulting Numbers: [38] 38,23 unequal: No Solution No 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: 23:[47, 43], Operations: ['32-6=26', '17+26=43'] Exploring Operation: 47-43=4, Resulting Numbers: [4] 4,23 unequal: No Solution Exploring Operation: 47*43=2021, Resulting Numbers: [2021] 2021,23 unequal: No Solution Exploring Operation: 47+43=90, Resulting Numbers: [90] 90,23 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
[ 81, 34, 15, 53 ]
21
[ "81-34=47", "15+53=68", "68-47=21" ]
Current State: 21:[81, 34, 15, 53], Operations: [] Exploring Operation: 81-34=47, Resulting Numbers: [15, 53, 47] Generated Node #2: [15, 53, 47] from Operation: 81-34=47 Current State: 21:[15, 53, 47], Operations: ['81-34=47'] Exploring Operation: 15+53=68, Resulting Numbers: [47, 68] Generated Node #3: [47, 68] from Operation: 15+53=68 Current State: 21:[47, 68], Operations: ['81-34=47', '15+53=68'] Exploring Operation: 68-47=21, Resulting Numbers: [21] 21,21 equal: Goal Reached
4
Current State: 21:[81, 34, 15, 53], Operations: [] Exploring Operation: 81-53=28, Resulting Numbers: [34, 15, 28] Generated Node #0,0: 21:[34, 15, 28] Operation: 81-53=28 Exploring Operation: 53-34=19, Resulting Numbers: [81, 15, 19] Generated Node #0,1: 21:[81, 15, 19] Operation: 53-34=19 Exploring Operation: 81-34=47, Resulting Numbers: [15, 53, 47] Generated Node #0,2: 21:[15, 53, 47] Operation: 81-34=47 Exploring Operation: 81-15=66, Resulting Numbers: [34, 53, 66] Generated Node #0,3: 21:[34, 53, 66] Operation: 81-15=66 Moving to Node #0,0 Current State: 21:[34, 15, 28], Operations: ['81-53=28'] Exploring Operation: 34-15=19, Resulting Numbers: [28, 19] Generated Node #0,0,0: 21:[28, 19] Operation: 34-15=19 Exploring Operation: 28-15=13, Resulting Numbers: [34, 13] Generated Node #0,0,1: 21:[34, 13] Operation: 28-15=13 Exploring Operation: 34-28=6, Resulting Numbers: [15, 6] Generated Node #0,0,2: 21:[15, 6] Operation: 34-28=6 Exploring Operation: 34+15=49, Resulting Numbers: [28, 49] Generated Node #0,0,3: 21:[28, 49] Operation: 34+15=49 Moving to Node #0,2 Current State: 21:[15, 53, 47], Operations: ['81-34=47'] Exploring Operation: 53-47=6, Resulting Numbers: [15, 6] Generated Node #0,2,0: 21:[15, 6] Operation: 53-47=6 Exploring Operation: 47-15=32, Resulting Numbers: [53, 32] Generated Node #0,2,1: 21:[53, 32] Operation: 47-15=32 Exploring Operation: 53-15=38, Resulting Numbers: [47, 38] Generated Node #0,2,2: 21:[47, 38] Operation: 53-15=38 Exploring Operation: 15+53=68, Resulting Numbers: [47, 68] Generated Node #0,2,3: 21:[47, 68] Operation: 15+53=68 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 21:[15, 6], Operations: ['81-34=47', '53-47=6'] Exploring Operation: 15*6=90, Resulting Numbers: [90] 90,21 unequal: No Solution Exploring Operation: 15-6=9, Resulting Numbers: [9] 9,21 unequal: No Solution Exploring Operation: 15+6=21, Resulting Numbers: [21] 21,21 equal: Goal Reached Moving to Node #0 Current State: 21:[81, 34, 15, 53], Operations: [] Exploring Operation: 81-34=47, Resulting Numbers: [15, 53, 47] Generated Node #0,2: 21:[15, 53, 47] Operation: 81-34=47 Moving to Node #0,2 Current State: 21:[15, 53, 47], Operations: ['81-34=47'] Exploring Operation: 53-47=6, Resulting Numbers: [15, 6] Generated Node #0,2,0: 21:[15, 6] Operation: 53-47=6 Moving to Node #0,2,0 Current State: 21:[15, 6], Operations: ['81-34=47', '53-47=6'] Exploring Operation: 15+6=21, Resulting Numbers: [21] 21,21 equal: Goal Reached Exit Sub Search at level 1
0.983507
hs_4
mult_heuristic
[ 17, 46, 19, 66 ]
41
[ "19+66=85", "85/17=5", "46-5=41" ]
Current State: 41:[17, 46, 19, 66], Operations: [] Exploring Operation: 19+66=85, Resulting Numbers: [17, 46, 85] Generated Node #2: [17, 46, 85] from Operation: 19+66=85 Current State: 41:[17, 46, 85], Operations: ['19+66=85'] Exploring Operation: 85/17=5, Resulting Numbers: [46, 5] Generated Node #3: [46, 5] from Operation: 85/17=5 Current State: 41:[46, 5], Operations: ['19+66=85', '85/17=5'] Exploring Operation: 46-5=41, Resulting Numbers: [41] 41,41 equal: Goal Reached
4
Current State: 41:[17, 46, 19, 66], Operations: [] Exploring Operation: 17+19=36, Resulting Numbers: [46, 66, 36] Generated Node #0,0: 41:[46, 66, 36] Operation: 17+19=36 Start Sub Search at level 1: Moving to Node #0,0 Current State: 41:[46, 66, 36], Operations: ['17+19=36'] Exploring Operation: 66-36=30, Resulting Numbers: [46, 30] Generated Node #0,0,0: 41:[46, 30] Operation: 66-36=30 Moving to Node #0,0,0 Current State: 41:[46, 30], Operations: ['17+19=36', '66-36=30'] Exploring Operation: 46-30=16, Resulting Numbers: [16] 16,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 23, 25, 61, 16 ]
58
[ "23+25=48", "48/16=3", "61-3=58" ]
Current State: 58:[23, 25, 61, 16], Operations: [] Exploring Operation: 23+25=48, Resulting Numbers: [61, 16, 48] Generated Node #2: [61, 16, 48] from Operation: 23+25=48 Current State: 58:[61, 16, 48], Operations: ['23+25=48'] Exploring Operation: 48/16=3, Resulting Numbers: [61, 3] Generated Node #3: [61, 3] from Operation: 48/16=3 Current State: 58:[61, 3], Operations: ['23+25=48', '48/16=3'] Exploring Operation: 61-3=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[23, 25, 61, 16], Operations: [] Exploring Operation: 25-23=2, Resulting Numbers: [61, 16, 2] Generated Node #0,0: 58:[61, 16, 2] Operation: 25-23=2 Exploring Operation: 25-16=9, Resulting Numbers: [23, 61, 9] Generated Node #0,1: 58:[23, 61, 9] Operation: 25-16=9 Exploring Operation: 23-16=7, Resulting Numbers: [25, 61, 7] Generated Node #0,2: 58:[25, 61, 7] Operation: 23-16=7 Start Sub Search at level 1: Moving to Node #0,2 Current State: 58:[25, 61, 7], Operations: ['23-16=7'] Exploring Operation: 61-25=36, Resulting Numbers: [7, 36] Generated Node #0,2,0: 58:[7, 36] Operation: 61-25=36 Exploring Operation: 25+7=32, Resulting Numbers: [61, 32] Generated Node #0,2,1: 58:[61, 32] Operation: 25+7=32 Exploring Operation: 61-7=54, Resulting Numbers: [25, 54] Generated Node #0,2,2: 58:[25, 54] Operation: 61-7=54 Moving to Node #0,2,1 Current State: 58:[61, 32], Operations: ['23-16=7', '25+7=32'] Exploring Operation: 61*32=1952, Resulting Numbers: [1952] 1952,58 unequal: No Solution Exploring Operation: 61-32=29, Resulting Numbers: [29] 29,58 unequal: No Solution Exploring Operation: 61+32=93, Resulting Numbers: [93] 93,58 unequal: No Solution Moving to Node #0,2,2 Current State: 58:[25, 54], Operations: ['23-16=7', '61-7=54'] Exploring Operation: 54-25=29, Resulting Numbers: [29] 29,58 unequal: No Solution Exploring Operation: 25+54=79, Resulting Numbers: [79] 79,58 unequal: No Solution Exploring Operation: 25*54=1350, Resulting Numbers: [1350] 1350,58 unequal: No Solution Moving to Node #0,2,0 Current State: 58:[7, 36], Operations: ['23-16=7', '61-25=36'] Exploring Operation: 7*36=252, Resulting Numbers: [252] 252,58 unequal: No Solution Exploring Operation: 36-7=29, Resulting Numbers: [29] 29,58 unequal: No Solution Exploring Operation: 7+36=43, Resulting Numbers: [43] 43,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 58:[61, 16, 2], Operations: ['25-23=2'] Exploring Operation: 16/2=8, Resulting Numbers: [61, 8] Generated Node #0,0,0: 58:[61, 8] Operation: 16/2=8 Exploring Operation: 61-16=45, Resulting Numbers: [2, 45] Generated Node #0,0,1: 58:[2, 45] Operation: 61-16=45 Exploring Operation: 16*2=32, Resulting Numbers: [61, 32] Generated Node #0,0,2: 58:[61, 32] Operation: 16*2=32 Moving to Node #0,0,2 Current State: 58:[61, 32], Operations: ['25-23=2', '16*2=32'] Exploring Operation: 61+32=93, Resulting Numbers: [93] 93,58 unequal: No Solution Exploring Operation: 61-32=29, Resulting Numbers: [29] 29,58 unequal: No Solution Exploring Operation: 61*32=1952, Resulting Numbers: [1952] 1952,58 unequal: No Solution Moving to Node #0,0,0 Current State: 58:[61, 8], Operations: ['25-23=2', '16/2=8'] Exploring Operation: 61-8=53, Resulting Numbers: [53] 53,58 unequal: No Solution Exploring Operation: 61*8=488, Resulting Numbers: [488] 488,58 unequal: No Solution Exploring Operation: 61+8=69, Resulting Numbers: [69] 69,58 unequal: No Solution Moving to Node #0,0,1 Current State: 58:[2, 45], Operations: ['25-23=2', '61-16=45'] Exploring Operation: 2*45=90, Resulting Numbers: [90] 90,58 unequal: No Solution Exploring Operation: 2+45=47, Resulting Numbers: [47] 47,58 unequal: No Solution Exploring Operation: 45-2=43, Resulting Numbers: [43] 43,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 58:[23, 61, 9], Operations: ['25-16=9'] Exploring Operation: 23+9=32, Resulting Numbers: [61, 32] Generated Node #0,1,0: 58:[61, 32] Operation: 23+9=32 Exploring Operation: 61-9=52, Resulting Numbers: [23, 52] Generated Node #0,1,1: 58:[23, 52] Operation: 61-9=52 Exploring Operation: 23-9=14, Resulting Numbers: [61, 14] Generated Node #0,1,2: 58:[61, 14] Operation: 23-9=14 Moving to Node #0,1,0 Current State: 58:[61, 32], Operations: ['25-16=9', '23+9=32'] Exploring Operation: 61-32=29, Resulting Numbers: [29] 29,58 unequal: No Solution Exploring Operation: 61+32=93, Resulting Numbers: [93] 93,58 unequal: No Solution Exploring Operation: 61*32=1952, Resulting Numbers: [1952] 1952,58 unequal: No Solution Moving to Node #0,1,1 Current State: 58:[23, 52], Operations: ['25-16=9', '61-9=52'] Exploring Operation: 23*52=1196, Resulting Numbers: [1196] 1196,58 unequal: No Solution Exploring Operation: 23+52=75, Resulting Numbers: [75] 75,58 unequal: No Solution Exploring Operation: 52-23=29, Resulting Numbers: [29] 29,58 unequal: No Solution Moving to Node #0,1,2 Current State: 58:[61, 14], Operations: ['25-16=9', '23-9=14'] Exploring Operation: 61*14=854, Resulting Numbers: [854] 854,58 unequal: No Solution Exploring Operation: 61-14=47, Resulting Numbers: [47] 47,58 unequal: No Solution Exploring Operation: 61+14=75, Resulting Numbers: [75] 75,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
mult_heuristic
[ 15, 37, 40, 80 ]
20
[ "37-15=22", "80/40=2", "22-2=20" ]
Current State: 20:[15, 37, 40, 80], Operations: [] Exploring Operation: 37-15=22, Resulting Numbers: [40, 80, 22] Generated Node #2: [40, 80, 22] from Operation: 37-15=22 Current State: 20:[40, 80, 22], Operations: ['37-15=22'] Exploring Operation: 80/40=2, Resulting Numbers: [22, 2] Generated Node #3: [22, 2] from Operation: 80/40=2 Current State: 20:[22, 2], Operations: ['37-15=22', '80/40=2'] Exploring Operation: 22-2=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[15, 37, 40, 80], Operations: [] Exploring Operation: 80/40=2, Resulting Numbers: [15, 37, 2] Generated Node #0,0: 20:[15, 37, 2] Operation: 80/40=2 Moving to Node #0,0 Current State: 20:[15, 37, 2], Operations: ['80/40=2'] Exploring Operation: 37-15=22, Resulting Numbers: [2, 22] Generated Node #0,0,0: 20:[2, 22] Operation: 37-15=22 Moving to Node #0,0,0 Current State: 20:[2, 22], Operations: ['80/40=2', '37-15=22'] Exploring Operation: 22-2=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Moving to Node #0 Current State: 20:[15, 37, 40, 80], Operations: [] Exploring Operation: 80/40=2, Resulting Numbers: [15, 37, 2] Generated Node #0,0: 20:[15, 37, 2] Operation: 80/40=2 Moving to Node #0,0 Current State: 20:[15, 37, 2], Operations: ['80/40=2'] Exploring Operation: 37-15=22, Resulting Numbers: [2, 22] Generated Node #0,0,0: 20:[2, 22] Operation: 37-15=22 Moving to Node #0,0,0 Current State: 20:[2, 22], Operations: ['80/40=2', '37-15=22'] Exploring Operation: 22-2=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
0.993924
hs_1
mult_heuristic
[ 4, 98, 24, 38 ]
54
[ "24/4=6", "98-38=60", "60-6=54" ]
Current State: 54:[4, 98, 24, 38], Operations: [] Exploring Operation: 24/4=6, Resulting Numbers: [98, 38, 6] Generated Node #2: [98, 38, 6] from Operation: 24/4=6 Current State: 54:[98, 38, 6], Operations: ['24/4=6'] Exploring Operation: 98-38=60, Resulting Numbers: [6, 60] Generated Node #3: [6, 60] from Operation: 98-38=60 Current State: 54:[6, 60], Operations: ['24/4=6', '98-38=60'] Exploring Operation: 60-6=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
4
Current State: 54:[4, 98, 24, 38], Operations: [] Exploring Operation: 98-38=60, Resulting Numbers: [4, 24, 60] Generated Node #0,0: 54:[4, 24, 60] Operation: 98-38=60 Moving to Node #0,0 Current State: 54:[4, 24, 60], Operations: ['98-38=60'] Exploring Operation: 60-4=56, Resulting Numbers: [24, 56] Generated Node #0,0,0: 54:[24, 56] Operation: 60-4=56 Moving to Node #0,0,0 Current State: 54:[24, 56], Operations: ['98-38=60', '60-4=56'] Exploring Operation: 56-24=32, Resulting Numbers: [32] 32,54 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 37, 12, 26, 15 ]
95
[ "26-15=11", "12*11=132", "132-37=95" ]
Current State: 95:[37, 12, 26, 15], Operations: [] Exploring Operation: 26-15=11, Resulting Numbers: [37, 12, 11] Generated Node #2: [37, 12, 11] from Operation: 26-15=11 Current State: 95:[37, 12, 11], Operations: ['26-15=11'] Exploring Operation: 12*11=132, Resulting Numbers: [37, 132] Generated Node #3: [37, 132] from Operation: 12*11=132 Current State: 95:[37, 132], Operations: ['26-15=11', '12*11=132'] Exploring Operation: 132-37=95, Resulting Numbers: [95] 95,95 equal: Goal Reached
4
Current State: 95:[37, 12, 26, 15], Operations: [] Exploring Operation: 37-12=25, Resulting Numbers: [26, 15, 25] Generated Node #0,0: 95:[26, 15, 25] Operation: 37-12=25 Exploring Operation: 37-26=11, Resulting Numbers: [12, 15, 11] Generated Node #0,1: 95:[12, 15, 11] Operation: 37-26=11 Moving to Node #0,0 Current State: 95:[26, 15, 25], Operations: ['37-12=25'] Exploring Operation: 26-25=1, Resulting Numbers: [15, 1] Generated Node #0,0,0: 95:[15, 1] Operation: 26-25=1 Exploring Operation: 26-15=11, Resulting Numbers: [25, 11] Generated Node #0,0,1: 95:[25, 11] Operation: 26-15=11 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 95:[15, 1], Operations: ['37-12=25', '26-25=1'] Exploring Operation: 15+1=16, Resulting Numbers: [16] 16,95 unequal: No Solution Exploring Operation: 15*1=15, Resulting Numbers: [15] 15,95 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 95:[25, 11], Operations: ['37-12=25', '26-15=11'] Exploring Operation: 25+11=36, Resulting Numbers: [36] 36,95 unequal: No Solution Exploring Operation: 25-11=14, Resulting Numbers: [14] 14,95 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 95:[12, 15, 11], Operations: ['37-26=11'] Exploring Operation: 12+11=23, Resulting Numbers: [15, 23] Generated Node #0,1,0: 95:[15, 23] Operation: 12+11=23 Exploring Operation: 15-12=3, Resulting Numbers: [11, 3] Generated Node #0,1,1: 95:[11, 3] Operation: 15-12=3 Moving to Node #0,1,0 Current State: 95:[15, 23], Operations: ['37-26=11', '12+11=23'] Exploring Operation: 23-15=8, Resulting Numbers: [8] 8,95 unequal: No Solution Exploring Operation: 15+23=38, Resulting Numbers: [38] 38,95 unequal: No Solution Moving to Node #0,1,1 Current State: 95:[11, 3], Operations: ['37-26=11', '15-12=3'] Exploring Operation: 11-3=8, Resulting Numbers: [8] 8,95 unequal: No Solution Exploring Operation: 11+3=14, Resulting Numbers: [14] 14,95 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 70, 21, 76, 5 ]
25
[ "70-21=49", "76+49=125", "125/5=25" ]
Current State: 25:[70, 21, 76, 5], Operations: [] Exploring Operation: 70-21=49, Resulting Numbers: [76, 5, 49] Generated Node #2: [76, 5, 49] from Operation: 70-21=49 Current State: 25:[76, 5, 49], Operations: ['70-21=49'] Exploring Operation: 76+49=125, Resulting Numbers: [5, 125] Generated Node #3: [5, 125] from Operation: 76+49=125 Current State: 25:[5, 125], Operations: ['70-21=49', '76+49=125'] Exploring Operation: 125/5=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[70, 21, 76, 5], Operations: [] Exploring Operation: 70/5=14, Resulting Numbers: [21, 76, 14] Generated Node #0,0: 25:[21, 76, 14] Operation: 70/5=14 Exploring Operation: 76-70=6, Resulting Numbers: [21, 5, 6] Generated Node #0,1: 25:[21, 5, 6] Operation: 76-70=6 Exploring Operation: 76-21=55, Resulting Numbers: [70, 5, 55] Generated Node #0,2: 25:[70, 5, 55] Operation: 76-21=55 Exploring Operation: 70-21=49, Resulting Numbers: [76, 5, 49] Generated Node #0,3: 25:[76, 5, 49] Operation: 70-21=49 Moving to Node #0,1 Current State: 25:[21, 5, 6], Operations: ['76-70=6'] Exploring Operation: 6-5=1, Resulting Numbers: [21, 1] Generated Node #0,1,0: 25:[21, 1] Operation: 6-5=1 Exploring Operation: 5*6=30, Resulting Numbers: [21, 30] Generated Node #0,1,1: 25:[21, 30] Operation: 5*6=30 Exploring Operation: 21+5=26, Resulting Numbers: [6, 26] Generated Node #0,1,2: 25:[6, 26] Operation: 21+5=26 Exploring Operation: 21+6=27, Resulting Numbers: [5, 27] Generated Node #0,1,3: 25:[5, 27] Operation: 21+6=27 Moving to Node #0,0 Current State: 25:[21, 76, 14], Operations: ['70/5=14'] Exploring Operation: 21+14=35, Resulting Numbers: [76, 35] Generated Node #0,0,0: 25:[76, 35] Operation: 21+14=35 Exploring Operation: 76-21=55, Resulting Numbers: [14, 55] Generated Node #0,0,1: 25:[14, 55] Operation: 76-21=55 Exploring Operation: 21-14=7, Resulting Numbers: [76, 7] Generated Node #0,0,2: 25:[76, 7] Operation: 21-14=7 Exploring Operation: 76-14=62, Resulting Numbers: [21, 62] Generated Node #0,0,3: 25:[21, 62] Operation: 76-14=62 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 25:[14, 55], Operations: ['70/5=14', '76-21=55'] Exploring Operation: 14*55=770, Resulting Numbers: [770] 770,25 unequal: No Solution Exploring Operation: 14+55=69, Resulting Numbers: [69] 69,25 unequal: No Solution Exploring Operation: 55-14=41, Resulting Numbers: [41] 41,25 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 #0,0,3 Current State: 25:[21, 62], Operations: ['70/5=14', '76-14=62'] Exploring Operation: 62-21=41, Resulting Numbers: [41] 41,25 unequal: No Solution Exploring Operation: 21+62=83, Resulting Numbers: [83] 83,25 unequal: No Solution Exploring Operation: 21*62=1302, Resulting Numbers: [1302] 1302,25 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 #0,0,2 Current State: 25:[76, 7], Operations: ['70/5=14', '21-14=7'] Exploring Operation: 76+7=83, Resulting Numbers: [83] 83,25 unequal: No Solution Exploring Operation: 76-7=69, Resulting Numbers: [69] 69,25 unequal: No Solution Exploring Operation: 76*7=532, Resulting Numbers: [532] 532,25 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:[76, 35], Operations: ['70/5=14', '21+14=35'] Exploring Operation: 76+35=111, Resulting Numbers: [111] 111,25 unequal: No Solution Exploring Operation: 76*35=2660, Resulting Numbers: [2660] 2660,25 unequal: No Solution Exploring Operation: 76-35=41, Resulting Numbers: [41] 41,25 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: 25:[76, 5, 49], Operations: ['70-21=49'] Exploring Operation: 76-49=27, Resulting Numbers: [5, 27] Generated Node #0,3,0: 25:[5, 27] Operation: 76-49=27 Exploring Operation: 49-5=44, Resulting Numbers: [76, 44] Generated Node #0,3,1: 25:[76, 44] Operation: 49-5=44 Exploring Operation: 76+5=81, Resulting Numbers: [49, 81] Generated Node #0,3,2: 25:[49, 81] Operation: 76+5=81 Exploring Operation: 76-5=71, Resulting Numbers: [49, 71] Generated Node #0,3,3: 25:[49, 71] Operation: 76-5=71 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 25:[5, 27], Operations: ['70-21=49', '76-49=27'] Exploring Operation: 5+27=32, Resulting Numbers: [32] 32,25 unequal: No Solution Exploring Operation: 27-5=22, Resulting Numbers: [22] 22,25 unequal: No Solution Exploring Operation: 5*27=135, Resulting Numbers: [135] 135,25 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 #0,3,1 Current State: 25:[76, 44], Operations: ['70-21=49', '49-5=44'] Exploring Operation: 76+44=120, Resulting Numbers: [120] 120,25 unequal: No Solution Exploring Operation: 76*44=3344, Resulting Numbers: [3344] 3344,25 unequal: No Solution Exploring Operation: 76-44=32, Resulting Numbers: [32] 32,25 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 #0,3,3 Current State: 25:[49, 71], Operations: ['70-21=49', '76-5=71'] Exploring Operation: 49*71=3479, Resulting Numbers: [3479] 3479,25 unequal: No Solution Exploring Operation: 71-49=22, Resulting Numbers: [22] 22,25 unequal: No Solution Exploring Operation: 49+71=120, Resulting Numbers: [120] 120,25 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 #0,3,2 Current State: 25:[49, 81], Operations: ['70-21=49', '76+5=81'] Exploring Operation: 49*81=3969, Resulting Numbers: [3969] 3969,25 unequal: No Solution Exploring Operation: 49+81=130, Resulting Numbers: [130] 130,25 unequal: No Solution Exploring Operation: 81-49=32, Resulting Numbers: [32] 32,25 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:[70, 5, 55], Operations: ['76-21=55'] Exploring Operation: 70/5=14, Resulting Numbers: [55, 14] Generated Node #0,2,0: 25:[55, 14] Operation: 70/5=14 Exploring Operation: 55/5=11, Resulting Numbers: [70, 11] Generated Node #0,2,1: 25:[70, 11] Operation: 55/5=11 Exploring Operation: 70-5=65, Resulting Numbers: [55, 65] Generated Node #0,2,2: 25:[55, 65] Operation: 70-5=65 Exploring Operation: 70-55=15, Resulting Numbers: [5, 15] Generated Node #0,2,3: 25:[5, 15] Operation: 70-55=15 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 25:[5, 15], Operations: ['76-21=55', '70-55=15'] Exploring Operation: 15/5=3, Resulting Numbers: [3] 3,25 unequal: No Solution Exploring Operation: 15-5=10, Resulting Numbers: [10] 10,25 unequal: No Solution Exploring Operation: 5+15=20, Resulting Numbers: [20] 20,25 unequal: No Solution Exploring Operation: 5*15=75, Resulting Numbers: [75] 75,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 25:[55, 14], Operations: ['76-21=55', '70/5=14'] Exploring Operation: 55-14=41, Resulting Numbers: [41] 41,25 unequal: No Solution Exploring Operation: 55+14=69, Resulting Numbers: [69] 69,25 unequal: No Solution Exploring Operation: 55*14=770, Resulting Numbers: [770] 770,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 25:[70, 11], Operations: ['76-21=55', '55/5=11'] Exploring Operation: 70*11=770, Resulting Numbers: [770] 770,25 unequal: No Solution Exploring Operation: 70-11=59, Resulting Numbers: [59] 59,25 unequal: No Solution Exploring Operation: 70+11=81, Resulting Numbers: [81] 81,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 25:[55, 65], Operations: ['76-21=55', '70-5=65'] Exploring Operation: 55+65=120, Resulting Numbers: [120] 120,25 unequal: No Solution Exploring Operation: 65-55=10, Resulting Numbers: [10] 10,25 unequal: No Solution Exploring Operation: 55*65=3575, Resulting Numbers: [3575] 3575,25 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: 25:[6, 26], Operations: ['76-70=6', '21+5=26'] Exploring Operation: 6*26=156, Resulting Numbers: [156] 156,25 unequal: No Solution Exploring Operation: 26-6=20, Resulting Numbers: [20] 20,25 unequal: No Solution Exploring Operation: 6+26=32, Resulting Numbers: [32] 32,25 unequal: No Solution Moving to Node #0,1,3 Current State: 25:[5, 27], Operations: ['76-70=6', '21+6=27'] Exploring Operation: 5*27=135, Resulting Numbers: [135] 135,25 unequal: No Solution Exploring Operation: 5+27=32, Resulting Numbers: [32] 32,25 unequal: No Solution Exploring Operation: 27-5=22, Resulting Numbers: [22] 22,25 unequal: No Solution Moving to Node #0,1,0 Current State: 25:[21, 1], Operations: ['76-70=6', '6-5=1'] Exploring Operation: 21+1=22, Resulting Numbers: [22] 22,25 unequal: No Solution Exploring Operation: 21*1=21, Resulting Numbers: [21] 21,25 unequal: No Solution Exploring Operation: 21-1=20, Resulting Numbers: [20] 20,25 unequal: No Solution Exploring Operation: 21/1=21, Resulting Numbers: [21] 21,25 unequal: No Solution Moving to Node #0,1,1 Current State: 25:[21, 30], Operations: ['76-70=6', '5*6=30'] Exploring Operation: 21*30=630, Resulting Numbers: [630] 630,25 unequal: No Solution Exploring Operation: 30-21=9, Resulting Numbers: [9] 9,25 unequal: No Solution Exploring Operation: 21+30=51, Resulting Numbers: [51] 51,25 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 13, 15, 51, 8 ]
61
[ "15-13=2", "51+8=59", "2+59=61" ]
Current State: 61:[13, 15, 51, 8], Operations: [] Exploring Operation: 15-13=2, Resulting Numbers: [51, 8, 2] Generated Node #2: [51, 8, 2] from Operation: 15-13=2 Current State: 61:[51, 8, 2], Operations: ['15-13=2'] Exploring Operation: 51+8=59, Resulting Numbers: [2, 59] Generated Node #3: [2, 59] from Operation: 51+8=59 Current State: 61:[2, 59], Operations: ['15-13=2', '51+8=59'] Exploring Operation: 2+59=61, Resulting Numbers: [61] 61,61 equal: Goal Reached
4
Current State: 61:[13, 15, 51, 8], Operations: [] Exploring Operation: 51+8=59, Resulting Numbers: [13, 15, 59] Generated Node #0,0: 61:[13, 15, 59] Operation: 51+8=59 Exploring Operation: 13+15=28, Resulting Numbers: [51, 8, 28] Generated Node #0,1: 61:[51, 8, 28] Operation: 13+15=28 Exploring Operation: 13+8=21, Resulting Numbers: [15, 51, 21] Generated Node #0,2: 61:[15, 51, 21] Operation: 13+8=21 Exploring Operation: 15+8=23, Resulting Numbers: [13, 51, 23] Generated Node #0,3: 61:[13, 51, 23] Operation: 15+8=23 Exploring Operation: 13*8=104, Resulting Numbers: [15, 51, 104] Generated Node #0,4: 61:[15, 51, 104] Operation: 13*8=104 Moving to Node #0,0 Current State: 61:[13, 15, 59], Operations: ['51+8=59'] Exploring Operation: 15-13=2, Resulting Numbers: [59, 2] Generated Node #0,0,0: 61:[59, 2] Operation: 15-13=2 Exploring Operation: 13+59=72, Resulting Numbers: [15, 72] Generated Node #0,0,1: 61:[15, 72] Operation: 13+59=72 Exploring Operation: 15+59=74, Resulting Numbers: [13, 74] Generated Node #0,0,2: 61:[13, 74] Operation: 15+59=74 Exploring Operation: 59-13=46, Resulting Numbers: [15, 46] Generated Node #0,0,3: 61:[15, 46] Operation: 59-13=46 Exploring Operation: 13+15=28, Resulting Numbers: [59, 28] Generated Node #0,0,4: 61:[59, 28] Operation: 13+15=28 Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 61:[59, 28], Operations: ['51+8=59', '13+15=28'] Exploring Operation: 59+28=87, Resulting Numbers: [87] 87,61 unequal: No Solution Exploring Operation: 59-28=31, Resulting Numbers: [31] 31,61 unequal: No Solution Exploring Operation: 59*28=1652, Resulting Numbers: [1652] 1652,61 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 #0,0,1 Current State: 61:[15, 72], Operations: ['51+8=59', '13+59=72'] Exploring Operation: 72-15=57, Resulting Numbers: [57] 57,61 unequal: No Solution Exploring Operation: 15+72=87, Resulting Numbers: [87] 87,61 unequal: No Solution Exploring Operation: 15*72=1080, Resulting Numbers: [1080] 1080,61 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 #0,0,0 Current State: 61:[59, 2], Operations: ['51+8=59', '15-13=2'] Exploring Operation: 59-2=57, Resulting Numbers: [57] 57,61 unequal: No Solution Exploring Operation: 59+2=61, Resulting Numbers: [61] 61,61 equal: Goal Reached Moving to Node #0 Current State: 61:[13, 15, 51, 8], Operations: [] Exploring Operation: 51+8=59, Resulting Numbers: [13, 15, 59] Generated Node #0,0: 61:[13, 15, 59] Operation: 51+8=59 Moving to Node #0,0 Current State: 61:[13, 15, 59], Operations: ['51+8=59'] Exploring Operation: 15-13=2, Resulting Numbers: [59, 2] Generated Node #0,0,0: 61:[59, 2] Operation: 15-13=2 Moving to Node #0,0,0 Current State: 61:[59, 2], Operations: ['51+8=59', '15-13=2'] Exploring Operation: 59+2=61, Resulting Numbers: [61] 61,61 equal: Goal Reached Exit Sub Search at level 1
0.980903
hs_5
mult_heuristic
[ 28, 26, 60, 98 ]
92
[ "28+26=54", "98-60=38", "54+38=92" ]
Current State: 92:[28, 26, 60, 98], Operations: [] Exploring Operation: 28+26=54, Resulting Numbers: [60, 98, 54] Generated Node #2: [60, 98, 54] from Operation: 28+26=54 Current State: 92:[60, 98, 54], Operations: ['28+26=54'] Exploring Operation: 98-60=38, Resulting Numbers: [54, 38] Generated Node #3: [54, 38] from Operation: 98-60=38 Current State: 92:[54, 38], Operations: ['28+26=54', '98-60=38'] Exploring Operation: 54+38=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
4
Current State: 92:[28, 26, 60, 98], Operations: [] Exploring Operation: 28+60=88, Resulting Numbers: [26, 98, 88] Generated Node #0,0: 92:[26, 98, 88] Operation: 28+60=88 Exploring Operation: 26+60=86, Resulting Numbers: [28, 98, 86] Generated Node #0,1: 92:[28, 98, 86] Operation: 26+60=86 Exploring Operation: 98-60=38, Resulting Numbers: [28, 26, 38] Generated Node #0,2: 92:[28, 26, 38] Operation: 98-60=38 Moving to Node #0,0 Current State: 92:[26, 98, 88], Operations: ['28+60=88'] Exploring Operation: 88-26=62, Resulting Numbers: [98, 62] Generated Node #0,0,0: 92:[98, 62] Operation: 88-26=62 Exploring Operation: 98-88=10, Resulting Numbers: [26, 10] Generated Node #0,0,1: 92:[26, 10] Operation: 98-88=10 Exploring Operation: 98-26=72, Resulting Numbers: [88, 72] Generated Node #0,0,2: 92:[88, 72] Operation: 98-26=72 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 92:[26, 10], Operations: ['28+60=88', '98-88=10'] Exploring Operation: 26*10=260, Resulting Numbers: [260] 260,92 unequal: No Solution Exploring Operation: 26-10=16, Resulting Numbers: [16] 16,92 unequal: No Solution Exploring Operation: 26+10=36, Resulting Numbers: [36] 36,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 92:[98, 62], Operations: ['28+60=88', '88-26=62'] Exploring Operation: 98+62=160, Resulting Numbers: [160] 160,92 unequal: No Solution Exploring Operation: 98-62=36, Resulting Numbers: [36] 36,92 unequal: No Solution Exploring Operation: 98*62=6076, Resulting Numbers: [6076] 6076,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 92:[88, 72], Operations: ['28+60=88', '98-26=72'] Exploring Operation: 88*72=6336, Resulting Numbers: [6336] 6336,92 unequal: No Solution Exploring Operation: 88-72=16, Resulting Numbers: [16] 16,92 unequal: No Solution Exploring Operation: 88+72=160, Resulting Numbers: [160] 160,92 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: 92:[28, 26, 38], Operations: ['98-60=38'] Exploring Operation: 38-28=10, Resulting Numbers: [26, 10] Generated Node #0,2,0: 92:[26, 10] Operation: 38-28=10 Exploring Operation: 38-26=12, Resulting Numbers: [28, 12] Generated Node #0,2,1: 92:[28, 12] Operation: 38-26=12 Exploring Operation: 28-26=2, Resulting Numbers: [38, 2] Generated Node #0,2,2: 92:[38, 2] Operation: 28-26=2 Moving to Node #0,1 Current State: 92:[28, 98, 86], Operations: ['26+60=86'] Exploring Operation: 98-28=70, Resulting Numbers: [86, 70] Generated Node #0,1,0: 92:[86, 70] Operation: 98-28=70 Exploring Operation: 98-86=12, Resulting Numbers: [28, 12] Generated Node #0,1,1: 92:[28, 12] Operation: 98-86=12 Exploring Operation: 86-28=58, Resulting Numbers: [98, 58] Generated Node #0,1,2: 92:[98, 58] Operation: 86-28=58 Moving to Node #0,2,2 Current State: 92:[38, 2], Operations: ['98-60=38', '28-26=2'] Exploring Operation: 38+2=40, Resulting Numbers: [40] 40,92 unequal: No Solution Exploring Operation: 38/2=19, Resulting Numbers: [19] 19,92 unequal: No Solution Exploring Operation: 38-2=36, Resulting Numbers: [36] 36,92 unequal: No Solution Moving to Node #0,2,0 Current State: 92:[26, 10], Operations: ['98-60=38', '38-28=10'] Exploring Operation: 26-10=16, Resulting Numbers: [16] 16,92 unequal: No Solution Exploring Operation: 26*10=260, Resulting Numbers: [260] 260,92 unequal: No Solution Exploring Operation: 26+10=36, Resulting Numbers: [36] 36,92 unequal: No Solution Moving to Node #0,2,1 Current State: 92:[28, 12], Operations: ['98-60=38', '38-26=12'] Exploring Operation: 28*12=336, Resulting Numbers: [336] 336,92 unequal: No Solution Exploring Operation: 28-12=16, Resulting Numbers: [16] 16,92 unequal: No Solution Exploring Operation: 28+12=40, Resulting Numbers: [40] 40,92 unequal: No Solution Moving to Node #0,1,1 Current State: 92:[28, 12], Operations: ['26+60=86', '98-86=12'] Exploring Operation: 28+12=40, Resulting Numbers: [40] 40,92 unequal: No Solution Exploring Operation: 28-12=16, Resulting Numbers: [16] 16,92 unequal: No Solution Exploring Operation: 28*12=336, Resulting Numbers: [336] 336,92 unequal: No Solution Moving to Node #0,1,2 Current State: 92:[98, 58], Operations: ['26+60=86', '86-28=58'] Exploring Operation: 98-58=40, Resulting Numbers: [40] 40,92 unequal: No Solution Exploring Operation: 98*58=5684, Resulting Numbers: [5684] 5684,92 unequal: No Solution Exploring Operation: 98+58=156, Resulting Numbers: [156] 156,92 unequal: No Solution Moving to Node #0,1,0 Current State: 92:[86, 70], Operations: ['26+60=86', '98-28=70'] Exploring Operation: 86*70=6020, Resulting Numbers: [6020] 6020,92 unequal: No Solution Exploring Operation: 86+70=156, Resulting Numbers: [156] 156,92 unequal: No Solution Exploring Operation: 86-70=16, Resulting Numbers: [16] 16,92 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 94, 65, 86, 17 ]
40
[ "94-65=29", "86-17=69", "69-29=40" ]
Current State: 40:[94, 65, 86, 17], Operations: [] Exploring Operation: 94-65=29, Resulting Numbers: [86, 17, 29] Generated Node #2: [86, 17, 29] from Operation: 94-65=29 Current State: 40:[86, 17, 29], Operations: ['94-65=29'] Exploring Operation: 86-17=69, Resulting Numbers: [29, 69] Generated Node #3: [29, 69] from Operation: 86-17=69 Current State: 40:[29, 69], Operations: ['94-65=29', '86-17=69'] Exploring Operation: 69-29=40, Resulting Numbers: [40] 40,40 equal: Goal Reached
4
Current State: 40:[94, 65, 86, 17], Operations: [] Exploring Operation: 94-65=29, Resulting Numbers: [86, 17, 29] Generated Node #0,0: 40:[86, 17, 29] Operation: 94-65=29 Exploring Operation: 86-65=21, Resulting Numbers: [94, 17, 21] Generated Node #0,1: 40:[94, 17, 21] Operation: 86-65=21 Exploring Operation: 94-86=8, Resulting Numbers: [65, 17, 8] Generated Node #0,2: 40:[65, 17, 8] Operation: 94-86=8 Moving to Node #0,2 Current State: 40:[65, 17, 8], Operations: ['94-86=8'] Exploring Operation: 65-8=57, Resulting Numbers: [17, 57] Generated Node #0,2,0: 40:[17, 57] Operation: 65-8=57 Exploring Operation: 65-17=48, Resulting Numbers: [8, 48] Generated Node #0,2,1: 40:[8, 48] Operation: 65-17=48 Exploring Operation: 17-8=9, Resulting Numbers: [65, 9] Generated Node #0,2,2: 40:[65, 9] Operation: 17-8=9 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 40:[8, 48], Operations: ['94-86=8', '65-17=48'] Exploring Operation: 48-8=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Moving to Node #0 Current State: 40:[94, 65, 86, 17], Operations: [] Exploring Operation: 94-86=8, Resulting Numbers: [65, 17, 8] Generated Node #0,2: 40:[65, 17, 8] Operation: 94-86=8 Moving to Node #0,2 Current State: 40:[65, 17, 8], Operations: ['94-86=8'] Exploring Operation: 65-17=48, Resulting Numbers: [8, 48] Generated Node #0,2,1: 40:[8, 48] Operation: 65-17=48 Moving to Node #0,2,1 Current State: 40:[8, 48], Operations: ['94-86=8', '65-17=48'] Exploring Operation: 48-8=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_3
sum_heuristic
[ 3, 1, 45, 64 ]
70
[ "3*45=135", "1+64=65", "135-65=70" ]
Current State: 70:[3, 1, 45, 64], Operations: [] Exploring Operation: 3*45=135, Resulting Numbers: [1, 64, 135] Generated Node #2: [1, 64, 135] from Operation: 3*45=135 Current State: 70:[1, 64, 135], Operations: ['3*45=135'] Exploring Operation: 1+64=65, Resulting Numbers: [135, 65] Generated Node #3: [135, 65] from Operation: 1+64=65 Current State: 70:[135, 65], Operations: ['3*45=135', '1+64=65'] Exploring Operation: 135-65=70, Resulting Numbers: [70] 70,70 equal: Goal Reached
4
Current State: 70:[3, 1, 45, 64], Operations: [] Exploring Operation: 45-3=42, Resulting Numbers: [1, 64, 42] Generated Node #0,0: 70:[1, 64, 42] Operation: 45-3=42 Exploring Operation: 45/3=15, Resulting Numbers: [1, 64, 15] Generated Node #0,1: 70:[1, 64, 15] Operation: 45/3=15 Exploring Operation: 64-45=19, Resulting Numbers: [3, 1, 19] Generated Node #0,2: 70:[3, 1, 19] Operation: 64-45=19 Moving to Node #0,2 Current State: 70:[3, 1, 19], Operations: ['64-45=19'] Exploring Operation: 3-1=2, Resulting Numbers: [19, 2] Generated Node #0,2,0: 70:[19, 2] Operation: 3-1=2 Exploring Operation: 19-3=16, Resulting Numbers: [1, 16] Generated Node #0,2,1: 70:[1, 16] Operation: 19-3=16 Exploring Operation: 19-1=18, Resulting Numbers: [3, 18] Generated Node #0,2,2: 70:[3, 18] Operation: 19-1=18 Moving to Node #0,1 Current State: 70:[1, 64, 15], Operations: ['45/3=15'] Exploring Operation: 1*64=64, Resulting Numbers: [15, 64] Generated Node #0,1,0: 70:[15, 64] Operation: 1*64=64 Exploring Operation: 1+64=65, Resulting Numbers: [15, 65] Generated Node #0,1,1: 70:[15, 65] Operation: 1+64=65 Exploring Operation: 15-1=14, Resulting Numbers: [64, 14] Generated Node #0,1,2: 70:[64, 14] Operation: 15-1=14 Moving to Node #0,0 Current State: 70:[1, 64, 42], Operations: ['45-3=42'] Exploring Operation: 1+64=65, Resulting Numbers: [42, 65] Generated Node #0,0,0: 70:[42, 65] Operation: 1+64=65 Exploring Operation: 42-1=41, Resulting Numbers: [64, 41] Generated Node #0,0,1: 70:[64, 41] Operation: 42-1=41 Exploring Operation: 64-42=22, Resulting Numbers: [1, 22] Generated Node #0,0,2: 70:[1, 22] Operation: 64-42=22 Moving to Node #0,2,1 Current State: 70:[1, 16], Operations: ['64-45=19', '19-3=16'] Exploring Operation: 1*16=16, Resulting Numbers: [16] 16,70 unequal: No Solution Exploring Operation: 16/1=16, Resulting Numbers: [16] 16,70 unequal: No Solution Exploring Operation: 16-1=15, Resulting Numbers: [15] 15,70 unequal: No Solution Moving to Node #0,2,2 Current State: 70:[3, 18], Operations: ['64-45=19', '19-1=18'] Exploring Operation: 18/3=6, Resulting Numbers: [6] 6,70 unequal: No Solution Exploring Operation: 18-3=15, Resulting Numbers: [15] 15,70 unequal: No Solution Exploring Operation: 3+18=21, Resulting Numbers: [21] 21,70 unequal: No Solution Moving to Node #0,2,0 Current State: 70:[19, 2], Operations: ['64-45=19', '3-1=2'] Exploring Operation: 19*2=38, Resulting Numbers: [38] 38,70 unequal: No Solution Exploring Operation: 19-2=17, Resulting Numbers: [17] 17,70 unequal: No Solution Exploring Operation: 19+2=21, Resulting Numbers: [21] 21,70 unequal: No Solution Moving to Node #0,1,2 Current State: 70:[64, 14], Operations: ['45/3=15', '15-1=14'] Exploring Operation: 64*14=896, Resulting Numbers: [896] 896,70 unequal: No Solution Exploring Operation: 64-14=50, Resulting Numbers: [50] 50,70 unequal: No Solution Exploring Operation: 64+14=78, Resulting Numbers: [78] 78,70 unequal: No Solution Moving to Node #0,1,1 Current State: 70:[15, 65], Operations: ['45/3=15', '1+64=65'] Exploring Operation: 15+65=80, Resulting Numbers: [80] 80,70 unequal: No Solution Exploring Operation: 65-15=50, Resulting Numbers: [50] 50,70 unequal: No Solution Exploring Operation: 15*65=975, Resulting Numbers: [975] 975,70 unequal: No Solution Moving to Node #0,1,0 Current State: 70:[15, 64], Operations: ['45/3=15', '1*64=64'] Exploring Operation: 15+64=79, Resulting Numbers: [79] 79,70 unequal: No Solution Exploring Operation: 15*64=960, Resulting Numbers: [960] 960,70 unequal: No Solution Exploring Operation: 64-15=49, Resulting Numbers: [49] 49,70 unequal: No Solution Moving to Node #0,0,2 Current State: 70:[1, 22], Operations: ['45-3=42', '64-42=22'] Exploring Operation: 1*22=22, Resulting Numbers: [22] 22,70 unequal: No Solution Exploring Operation: 22/1=22, Resulting Numbers: [22] 22,70 unequal: No Solution Exploring Operation: 22-1=21, Resulting Numbers: [21] 21,70 unequal: No Solution Moving to Node #0,0,1 Current State: 70:[64, 41], Operations: ['45-3=42', '42-1=41'] Exploring Operation: 64*41=2624, Resulting Numbers: [2624] 2624,70 unequal: No Solution Exploring Operation: 64-41=23, Resulting Numbers: [23] 23,70 unequal: No Solution Exploring Operation: 64+41=105, Resulting Numbers: [105] 105,70 unequal: No Solution Moving to Node #0,0,0 Current State: 70:[42, 65], Operations: ['45-3=42', '1+64=65'] Exploring Operation: 42+65=107, Resulting Numbers: [107] 107,70 unequal: No Solution Exploring Operation: 42*65=2730, Resulting Numbers: [2730] 2730,70 unequal: No Solution Exploring Operation: 65-42=23, Resulting Numbers: [23] 23,70 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 54, 29, 26, 4 ]
54
[ "29-26=3", "4-3=1", "54*1=54" ]
Current State: 54:[54, 29, 26, 4], Operations: [] Exploring Operation: 29-26=3, Resulting Numbers: [54, 4, 3] Generated Node #2: [54, 4, 3] from Operation: 29-26=3 Current State: 54:[54, 4, 3], Operations: ['29-26=3'] Exploring Operation: 4-3=1, Resulting Numbers: [54, 1] Generated Node #3: [54, 1] from Operation: 4-3=1 Current State: 54:[54, 1], Operations: ['29-26=3', '4-3=1'] Exploring Operation: 54*1=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
4
Current State: 54:[54, 29, 26, 4], Operations: [] Exploring Operation: 29-26=3, Resulting Numbers: [54, 4, 3] Generated Node #0,0: 54:[54, 4, 3] Operation: 29-26=3 Exploring Operation: 29-4=25, Resulting Numbers: [54, 26, 25] Generated Node #0,1: 54:[54, 26, 25] Operation: 29-4=25 Exploring Operation: 29+26=55, Resulting Numbers: [54, 4, 55] Generated Node #0,2: 54:[54, 4, 55] Operation: 29+26=55 Start Sub Search at level 1: Moving to Node #0,0 Current State: 54:[54, 4, 3], Operations: ['29-26=3'] Exploring Operation: 4-3=1, Resulting Numbers: [54, 1] Generated Node #0,0,0: 54:[54, 1] Operation: 4-3=1 Exploring Operation: 4+3=7, Resulting Numbers: [54, 7] Generated Node #0,0,1: 54:[54, 7] Operation: 4+3=7 Exploring Operation: 54/3=18, Resulting Numbers: [4, 18] Generated Node #0,0,2: 54:[4, 18] Operation: 54/3=18 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 54:[54, 1], Operations: ['29-26=3', '4-3=1'] Exploring Operation: 54+1=55, Resulting Numbers: [55] 55,54 unequal: No Solution Exploring Operation: 54*1=54, Resulting Numbers: [54] 54,54 equal: Goal Reached Moving to Node #0 Current State: 54:[54, 29, 26, 4], Operations: [] Exploring Operation: 29-26=3, Resulting Numbers: [54, 4, 3] Generated Node #0,0: 54:[54, 4, 3] Operation: 29-26=3 Moving to Node #0,0 Current State: 54:[54, 4, 3], Operations: ['29-26=3'] Exploring Operation: 4-3=1, Resulting Numbers: [54, 1] Generated Node #0,0,0: 54:[54, 1] Operation: 4-3=1 Moving to Node #0,0,0 Current State: 54:[54, 1], Operations: ['29-26=3', '4-3=1'] Exploring Operation: 54*1=54, Resulting Numbers: [54] 54,54 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.989583
hs_3
mult_heuristic
[ 29, 33, 29, 96 ]
62
[ "29/29=1", "96-33=63", "63-1=62" ]
Current State: 62:[29, 33, 29, 96], Operations: [] Exploring Operation: 29/29=1, Resulting Numbers: [33, 96, 1] Generated Node #2: [33, 96, 1] from Operation: 29/29=1 Current State: 62:[33, 96, 1], Operations: ['29/29=1'] Exploring Operation: 96-33=63, Resulting Numbers: [1, 63] Generated Node #3: [1, 63] from Operation: 96-33=63 Current State: 62:[1, 63], Operations: ['29/29=1', '96-33=63'] Exploring Operation: 63-1=62, Resulting Numbers: [62] 62,62 equal: Goal Reached
4
Current State: 62:[29, 33, 29, 96], Operations: [] Exploring Operation: 96-29=67, Resulting Numbers: [33, 29, 67] Generated Node #0,0: 62:[33, 29, 67] Operation: 96-29=67 Exploring Operation: 96-33=63, Resulting Numbers: [29, 29, 63] Generated Node #0,1: 62:[29, 29, 63] Operation: 96-33=63 Exploring Operation: 96-29=67, Resulting Numbers: [29, 33, 67] Generated Node #0,2: 62:[29, 33, 67] Operation: 96-29=67 Exploring Operation: 29+33=62, Resulting Numbers: [29, 96, 62] Generated Node #0,3: 62:[29, 96, 62] Operation: 29+33=62 Start Sub Search at level 1: Moving to Node #0,1 Current State: 62:[29, 29, 63], Operations: ['96-33=63'] Exploring Operation: 29/29=1, Resulting Numbers: [63, 1] Generated Node #0,1,0: 62:[63, 1] Operation: 29/29=1 Exploring Operation: 29-29=0, Resulting Numbers: [63, 0] Generated Node #0,1,1: 62:[63, 0] Operation: 29-29=0 Exploring Operation: 63-29=34, Resulting Numbers: [29, 34] Generated Node #0,1,2: 62:[29, 34] Operation: 63-29=34 Exploring Operation: 29+29=58, Resulting Numbers: [63, 58] Generated Node #0,1,3: 62:[63, 58] Operation: 29+29=58 Moving to Node #0,1,0 Current State: 62:[63, 1], Operations: ['96-33=63', '29/29=1'] Exploring Operation: 63-1=62, Resulting Numbers: [62] 62,62 equal: Goal Reached Moving to Node #0 Current State: 62:[29, 33, 29, 96], Operations: [] Exploring Operation: 96-33=63, Resulting Numbers: [29, 29, 63] Generated Node #0,1: 62:[29, 29, 63] Operation: 96-33=63 Moving to Node #0,1 Current State: 62:[29, 29, 63], Operations: ['96-33=63'] Exploring Operation: 29/29=1, Resulting Numbers: [63, 1] Generated Node #0,1,0: 62:[63, 1] Operation: 29/29=1 Moving to Node #0,1,0 Current State: 62:[63, 1], Operations: ['96-33=63', '29/29=1'] Exploring Operation: 63-1=62, Resulting Numbers: [62] 62,62 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_4
mult_heuristic
[ 85, 39, 4, 9 ]
73
[ "39+9=48", "48/4=12", "85-12=73" ]
Current State: 73:[85, 39, 4, 9], Operations: [] Exploring Operation: 39+9=48, Resulting Numbers: [85, 4, 48] Generated Node #2: [85, 4, 48] from Operation: 39+9=48 Current State: 73:[85, 4, 48], Operations: ['39+9=48'] Exploring Operation: 48/4=12, Resulting Numbers: [85, 12] Generated Node #3: [85, 12] from Operation: 48/4=12 Current State: 73:[85, 12], Operations: ['39+9=48', '48/4=12'] Exploring Operation: 85-12=73, Resulting Numbers: [73] 73,73 equal: Goal Reached
4
Current State: 73:[85, 39, 4, 9], Operations: [] Exploring Operation: 4*9=36, Resulting Numbers: [85, 39, 36] Generated Node #0,0: 73:[85, 39, 36] Operation: 4*9=36 Exploring Operation: 85-4=81, Resulting Numbers: [39, 9, 81] Generated Node #0,1: 73:[39, 9, 81] Operation: 85-4=81 Moving to Node #0,0 Current State: 73:[85, 39, 36], Operations: ['4*9=36'] Exploring Operation: 39+36=75, Resulting Numbers: [85, 75] Generated Node #0,0,0: 73:[85, 75] Operation: 39+36=75 Exploring Operation: 85-36=49, Resulting Numbers: [39, 49] Generated Node #0,0,1: 73:[39, 49] Operation: 85-36=49 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 73:[85, 75], Operations: ['4*9=36', '39+36=75'] Exploring Operation: 85-75=10, Resulting Numbers: [10] 10,73 unequal: No Solution Exploring Operation: 85+75=160, Resulting Numbers: [160] 160,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 73:[39, 49], Operations: ['4*9=36', '85-36=49'] Exploring Operation: 39+49=88, Resulting Numbers: [88] 88,73 unequal: No Solution Exploring Operation: 49-39=10, Resulting Numbers: [10] 10,73 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: 73:[39, 9, 81], Operations: ['85-4=81'] Exploring Operation: 39+9=48, Resulting Numbers: [81, 48] Generated Node #0,1,0: 73:[81, 48] Operation: 39+9=48 Exploring Operation: 81-9=72, Resulting Numbers: [39, 72] Generated Node #0,1,1: 73:[39, 72] Operation: 81-9=72 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 73:[81, 48], Operations: ['85-4=81', '39+9=48'] Exploring Operation: 81+48=129, Resulting Numbers: [129] 129,73 unequal: No Solution Exploring Operation: 81-48=33, Resulting Numbers: [33] 33,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 73:[39, 72], Operations: ['85-4=81', '81-9=72'] Exploring Operation: 39+72=111, Resulting Numbers: [111] 111,73 unequal: No Solution Exploring Operation: 72-39=33, Resulting Numbers: [33] 33,73 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
[ 64, 10, 20, 8 ]
58
[ "64-8=56", "20/10=2", "56+2=58" ]
Current State: 58:[64, 10, 20, 8], Operations: [] Exploring Operation: 64-8=56, Resulting Numbers: [10, 20, 56] Generated Node #2: [10, 20, 56] from Operation: 64-8=56 Current State: 58:[10, 20, 56], Operations: ['64-8=56'] Exploring Operation: 20/10=2, Resulting Numbers: [56, 2] Generated Node #3: [56, 2] from Operation: 20/10=2 Current State: 58:[56, 2], Operations: ['64-8=56', '20/10=2'] Exploring Operation: 56+2=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[64, 10, 20, 8], Operations: [] Exploring Operation: 10+20=30, Resulting Numbers: [64, 8, 30] Generated Node #0,0: 58:[64, 8, 30] Operation: 10+20=30 Exploring Operation: 20+8=28, Resulting Numbers: [64, 10, 28] Generated Node #0,1: 58:[64, 10, 28] Operation: 20+8=28 Exploring Operation: 10-8=2, Resulting Numbers: [64, 20, 2] Generated Node #0,2: 58:[64, 20, 2] Operation: 10-8=2 Exploring Operation: 64-10=54, Resulting Numbers: [20, 8, 54] Generated Node #0,3: 58:[20, 8, 54] Operation: 64-10=54 Exploring Operation: 20/10=2, Resulting Numbers: [64, 8, 2] Generated Node #0,4: 58:[64, 8, 2] Operation: 20/10=2 Start Sub Search at level 1: Moving to Node #0,4 Current State: 58:[64, 8, 2], Operations: ['20/10=2'] Exploring Operation: 64/2=32, Resulting Numbers: [8, 32] Generated Node #0,4,0: 58:[8, 32] Operation: 64/2=32 Exploring Operation: 64/8=8, Resulting Numbers: [2, 8] Generated Node #0,4,1: 58:[2, 8] Operation: 64/8=8 Exploring Operation: 64-2=62, Resulting Numbers: [8, 62] Generated Node #0,4,2: 58:[8, 62] Operation: 64-2=62 Exploring Operation: 64-8=56, Resulting Numbers: [2, 56] Generated Node #0,4,3: 58:[2, 56] Operation: 64-8=56 Exploring Operation: 8/2=4, Resulting Numbers: [64, 4] Generated Node #0,4,4: 58:[64, 4] Operation: 8/2=4 Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 58:[2, 56], Operations: ['20/10=2', '64-8=56'] Exploring Operation: 2*56=112, Resulting Numbers: [112] 112,58 unequal: No Solution Exploring Operation: 56-2=54, Resulting Numbers: [54] 54,58 unequal: No Solution Exploring Operation: 56/2=28, Resulting Numbers: [28] 28,58 unequal: No Solution Exploring Operation: 2+56=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Moving to Node #0 Current State: 58:[64, 10, 20, 8], Operations: [] Exploring Operation: 20/10=2, Resulting Numbers: [64, 8, 2] Generated Node #0,4: 58:[64, 8, 2] Operation: 20/10=2 Moving to Node #0,4 Current State: 58:[64, 8, 2], Operations: ['20/10=2'] Exploring Operation: 64-8=56, Resulting Numbers: [2, 56] Generated Node #0,4,3: 58:[2, 56] Operation: 64-8=56 Moving to Node #0,4,3 Current State: 58:[2, 56], Operations: ['20/10=2', '64-8=56'] Exploring Operation: 2+56=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.984375
hs_5
sum_heuristic
[ 2, 31, 26, 10 ]
46
[ "2*31=62", "26-10=16", "62-16=46" ]
Current State: 46:[2, 31, 26, 10], Operations: [] Exploring Operation: 2*31=62, Resulting Numbers: [26, 10, 62] Generated Node #2: [26, 10, 62] from Operation: 2*31=62 Current State: 46:[26, 10, 62], Operations: ['2*31=62'] Exploring Operation: 26-10=16, Resulting Numbers: [62, 16] Generated Node #3: [62, 16] from Operation: 26-10=16 Current State: 46:[62, 16], Operations: ['2*31=62', '26-10=16'] Exploring Operation: 62-16=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
4
Current State: 46:[2, 31, 26, 10], Operations: [] Exploring Operation: 31+10=41, Resulting Numbers: [2, 26, 41] Generated Node #0,0: 46:[2, 26, 41] Operation: 31+10=41 Exploring Operation: 31-10=21, Resulting Numbers: [2, 26, 21] Generated Node #0,1: 46:[2, 26, 21] Operation: 31-10=21 Exploring Operation: 31-26=5, Resulting Numbers: [2, 10, 5] Generated Node #0,2: 46:[2, 10, 5] Operation: 31-26=5 Moving to Node #0,1 Current State: 46:[2, 26, 21], Operations: ['31-10=21'] Exploring Operation: 26+21=47, Resulting Numbers: [2, 47] Generated Node #0,1,0: 46:[2, 47] Operation: 26+21=47 Exploring Operation: 26-2=24, Resulting Numbers: [21, 24] Generated Node #0,1,1: 46:[21, 24] Operation: 26-2=24 Exploring Operation: 2+21=23, Resulting Numbers: [26, 23] Generated Node #0,1,2: 46:[26, 23] Operation: 2+21=23 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 46:[2, 47], Operations: ['31-10=21', '26+21=47'] Exploring Operation: 47-2=45, Resulting Numbers: [45] 45,46 unequal: No Solution Exploring Operation: 2+47=49, Resulting Numbers: [49] 49,46 unequal: No Solution Exploring Operation: 2*47=94, Resulting Numbers: [94] 94,46 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:[21, 24], Operations: ['31-10=21', '26-2=24'] Exploring Operation: 21*24=504, Resulting Numbers: [504] 504,46 unequal: No Solution Exploring Operation: 24-21=3, Resulting Numbers: [3] 3,46 unequal: No Solution Exploring Operation: 21+24=45, Resulting Numbers: [45] 45,46 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 #0,1,2 Current State: 46:[26, 23], Operations: ['31-10=21', '2+21=23'] Exploring Operation: 26-23=3, Resulting Numbers: [3] 3,46 unequal: No Solution Exploring Operation: 26*23=598, Resulting Numbers: [598] 598,46 unequal: No Solution Exploring Operation: 26+23=49, Resulting Numbers: [49] 49,46 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: 46:[2, 26, 41], Operations: ['31+10=41'] Exploring Operation: 2+41=43, Resulting Numbers: [26, 43] Generated Node #0,0,0: 46:[26, 43] Operation: 2+41=43 Exploring Operation: 26-2=24, Resulting Numbers: [41, 24] Generated Node #0,0,1: 46:[41, 24] Operation: 26-2=24 Exploring Operation: 41-26=15, Resulting Numbers: [2, 15] Generated Node #0,0,2: 46:[2, 15] Operation: 41-26=15 Moving to Node #0,2 Current State: 46:[2, 10, 5], Operations: ['31-26=5'] Exploring Operation: 10*5=50, Resulting Numbers: [2, 50] Generated Node #0,2,0: 46:[2, 50] Operation: 10*5=50 Exploring Operation: 10/5=2, Resulting Numbers: [2, 2] Generated Node #0,2,1: 46:[2, 2] Operation: 10/5=2 Exploring Operation: 10-5=5, Resulting Numbers: [2, 5] Generated Node #0,2,2: 46:[2, 5] Operation: 10-5=5 Moving to Node #0,2,1 Current State: 46:[2, 2], Operations: ['31-26=5', '10/5=2'] Exploring Operation: 2/2=1, Resulting Numbers: [1] 1,46 unequal: No Solution Exploring Operation: 2*2=4, Resulting Numbers: [4] 4,46 unequal: No Solution Exploring Operation: 2+2=4, Resulting Numbers: [4] 4,46 unequal: No Solution Moving to Node #0,2,2 Current State: 46:[2, 5], Operations: ['31-26=5', '10-5=5'] Exploring Operation: 5-2=3, Resulting Numbers: [3] 3,46 unequal: No Solution Exploring Operation: 2*5=10, Resulting Numbers: [10] 10,46 unequal: No Solution Exploring Operation: 2+5=7, Resulting Numbers: [7] 7,46 unequal: No Solution Moving to Node #0,2,0 Current State: 46:[2, 50], Operations: ['31-26=5', '10*5=50'] Exploring Operation: 2+50=52, Resulting Numbers: [52] 52,46 unequal: No Solution Exploring Operation: 50-2=48, Resulting Numbers: [48] 48,46 unequal: No Solution Exploring Operation: 50/2=25, Resulting Numbers: [25] 25,46 unequal: No Solution Moving to Node #0,0,0 Current State: 46:[26, 43], Operations: ['31+10=41', '2+41=43'] Exploring Operation: 26*43=1118, Resulting Numbers: [1118] 1118,46 unequal: No Solution Exploring Operation: 26+43=69, Resulting Numbers: [69] 69,46 unequal: No Solution Exploring Operation: 43-26=17, Resulting Numbers: [17] 17,46 unequal: No Solution Moving to Node #0,0,1 Current State: 46:[41, 24], Operations: ['31+10=41', '26-2=24'] Exploring Operation: 41*24=984, Resulting Numbers: [984] 984,46 unequal: No Solution Exploring Operation: 41-24=17, Resulting Numbers: [17] 17,46 unequal: No Solution Exploring Operation: 41+24=65, Resulting Numbers: [65] 65,46 unequal: No Solution Moving to Node #0,0,2 Current State: 46:[2, 15], Operations: ['31+10=41', '41-26=15'] Exploring Operation: 2*15=30, Resulting Numbers: [30] 30,46 unequal: No Solution Exploring Operation: 2+15=17, Resulting Numbers: [17] 17,46 unequal: No Solution Exploring Operation: 15-2=13, Resulting Numbers: [13] 13,46 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 48, 84, 85, 62 ]
13
[ "84-48=36", "85-62=23", "36-23=13" ]
Current State: 13:[48, 84, 85, 62], Operations: [] Exploring Operation: 84-48=36, Resulting Numbers: [85, 62, 36] Generated Node #2: [85, 62, 36] from Operation: 84-48=36 Current State: 13:[85, 62, 36], Operations: ['84-48=36'] Exploring Operation: 85-62=23, Resulting Numbers: [36, 23] Generated Node #3: [36, 23] from Operation: 85-62=23 Current State: 13:[36, 23], Operations: ['84-48=36', '85-62=23'] Exploring Operation: 36-23=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
4
Current State: 13:[48, 84, 85, 62], Operations: [] Exploring Operation: 85-84=1, Resulting Numbers: [48, 62, 1] Generated Node #0,0: 13:[48, 62, 1] Operation: 85-84=1 Exploring Operation: 85-62=23, Resulting Numbers: [48, 84, 23] Generated Node #0,1: 13:[48, 84, 23] Operation: 85-62=23 Exploring Operation: 84-62=22, Resulting Numbers: [48, 85, 22] Generated Node #0,2: 13:[48, 85, 22] Operation: 84-62=22 Exploring Operation: 84-48=36, Resulting Numbers: [85, 62, 36] Generated Node #0,3: 13:[85, 62, 36] Operation: 84-48=36 Moving to Node #0,0 Current State: 13:[48, 62, 1], Operations: ['85-84=1'] Exploring Operation: 48*1=48, Resulting Numbers: [62, 48] Generated Node #0,0,0: 13:[62, 48] Operation: 48*1=48 Exploring Operation: 62-1=61, Resulting Numbers: [48, 61] Generated Node #0,0,1: 13:[48, 61] Operation: 62-1=61 Exploring Operation: 48-1=47, Resulting Numbers: [62, 47] Generated Node #0,0,2: 13:[62, 47] Operation: 48-1=47 Exploring Operation: 62-48=14, Resulting Numbers: [1, 14] Generated Node #0,0,3: 13:[1, 14] Operation: 62-48=14 Moving to Node #0,2 Current State: 13:[48, 85, 22], Operations: ['84-62=22'] Exploring Operation: 48-22=26, Resulting Numbers: [85, 26] Generated Node #0,2,0: 13:[85, 26] Operation: 48-22=26 Exploring Operation: 85-22=63, Resulting Numbers: [48, 63] Generated Node #0,2,1: 13:[48, 63] Operation: 85-22=63 Exploring Operation: 85-48=37, Resulting Numbers: [22, 37] Generated Node #0,2,2: 13:[22, 37] Operation: 85-48=37 Exploring Operation: 48+85=133, Resulting Numbers: [22, 133] Generated Node #0,2,3: 13:[22, 133] Operation: 48+85=133 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 13:[22, 37], Operations: ['84-62=22', '85-48=37'] Exploring Operation: 22+37=59, Resulting Numbers: [59] 59,13 unequal: No Solution Exploring Operation: 22*37=814, Resulting Numbers: [814] 814,13 unequal: No Solution Exploring Operation: 37-22=15, Resulting Numbers: [15] 15,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 13:[85, 26], Operations: ['84-62=22', '48-22=26'] Exploring Operation: 85-26=59, Resulting Numbers: [59] 59,13 unequal: No Solution Exploring Operation: 85+26=111, Resulting Numbers: [111] 111,13 unequal: No Solution Exploring Operation: 85*26=2210, Resulting Numbers: [2210] 2210,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 13:[48, 63], Operations: ['84-62=22', '85-22=63'] Exploring Operation: 48+63=111, Resulting Numbers: [111] 111,13 unequal: No Solution Exploring Operation: 63-48=15, Resulting Numbers: [15] 15,13 unequal: No Solution Exploring Operation: 48*63=3024, Resulting Numbers: [3024] 3024,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 13:[22, 133], Operations: ['84-62=22', '48+85=133'] Exploring Operation: 22*133=2926, Resulting Numbers: [2926] 2926,13 unequal: No Solution Exploring Operation: 133-22=111, Resulting Numbers: [111] 111,13 unequal: No Solution Exploring Operation: 22+133=155, Resulting Numbers: [155] 155,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 13:[48, 84, 23], Operations: ['85-62=23'] Exploring Operation: 84-48=36, Resulting Numbers: [23, 36] Generated Node #0,1,0: 13:[23, 36] Operation: 84-48=36 Exploring Operation: 48+84=132, Resulting Numbers: [23, 132] Generated Node #0,1,1: 13:[23, 132] Operation: 48+84=132 Exploring Operation: 48-23=25, Resulting Numbers: [84, 25] Generated Node #0,1,2: 13:[84, 25] Operation: 48-23=25 Exploring Operation: 84-23=61, Resulting Numbers: [48, 61] Generated Node #0,1,3: 13:[48, 61] Operation: 84-23=61 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 13:[23, 36], Operations: ['85-62=23', '84-48=36'] Exploring Operation: 23*36=828, Resulting Numbers: [828] 828,13 unequal: No Solution Exploring Operation: 23+36=59, Resulting Numbers: [59] 59,13 unequal: No Solution Exploring Operation: 36-23=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Moving to Node #0 Current State: 13:[48, 84, 85, 62], Operations: [] Exploring Operation: 85-62=23, Resulting Numbers: [48, 84, 23] Generated Node #0,1: 13:[48, 84, 23] Operation: 85-62=23 Moving to Node #0,1 Current State: 13:[48, 84, 23], Operations: ['85-62=23'] Exploring Operation: 84-48=36, Resulting Numbers: [23, 36] Generated Node #0,1,0: 13:[23, 36] Operation: 84-48=36 Moving to Node #0,1,0 Current State: 13:[23, 36], Operations: ['85-62=23', '84-48=36'] Exploring Operation: 36-23=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Exit Sub Search at level 1
0.969618
hs_4
mult_heuristic
[ 62, 45, 70, 2 ]
49
[ "70-62=8", "8/2=4", "45+4=49" ]
Current State: 49:[62, 45, 70, 2], Operations: [] Exploring Operation: 70-62=8, Resulting Numbers: [45, 2, 8] Generated Node #2: [45, 2, 8] from Operation: 70-62=8 Current State: 49:[45, 2, 8], Operations: ['70-62=8'] Exploring Operation: 8/2=4, Resulting Numbers: [45, 4] Generated Node #3: [45, 4] from Operation: 8/2=4 Current State: 49:[45, 4], Operations: ['70-62=8', '8/2=4'] Exploring Operation: 45+4=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
4
Current State: 49:[62, 45, 70, 2], Operations: [] Exploring Operation: 70-45=25, Resulting Numbers: [62, 2, 25] Generated Node #0,0: 49:[62, 2, 25] Operation: 70-45=25 Exploring Operation: 62-45=17, Resulting Numbers: [70, 2, 17] Generated Node #0,1: 49:[70, 2, 17] Operation: 62-45=17 Exploring Operation: 62-2=60, Resulting Numbers: [45, 70, 60] Generated Node #0,2: 49:[45, 70, 60] Operation: 62-2=60 Exploring Operation: 70/2=35, Resulting Numbers: [62, 45, 35] Generated Node #0,3: 49:[62, 45, 35] Operation: 70/2=35 Exploring Operation: 70-62=8, Resulting Numbers: [45, 2, 8] Generated Node #0,4: 49:[45, 2, 8] Operation: 70-62=8 Moving to Node #0,4 Current State: 49:[45, 2, 8], Operations: ['70-62=8'] Exploring Operation: 8/2=4, Resulting Numbers: [45, 4] Generated Node #0,4,0: 49:[45, 4] Operation: 8/2=4 Exploring Operation: 45-2=43, Resulting Numbers: [8, 43] Generated Node #0,4,1: 49:[8, 43] Operation: 45-2=43 Exploring Operation: 8-2=6, Resulting Numbers: [45, 6] Generated Node #0,4,2: 49:[45, 6] Operation: 8-2=6 Exploring Operation: 2+8=10, Resulting Numbers: [45, 10] Generated Node #0,4,3: 49:[45, 10] Operation: 2+8=10 Exploring Operation: 45+2=47, Resulting Numbers: [8, 47] Generated Node #0,4,4: 49:[8, 47] Operation: 45+2=47 Moving to Node #0,3 Current State: 49:[62, 45, 35], Operations: ['70/2=35'] Exploring Operation: 45+35=80, Resulting Numbers: [62, 80] Generated Node #0,3,0: 49:[62, 80] Operation: 45+35=80 Exploring Operation: 45-35=10, Resulting Numbers: [62, 10] Generated Node #0,3,1: 49:[62, 10] Operation: 45-35=10 Exploring Operation: 62-35=27, Resulting Numbers: [45, 27] Generated Node #0,3,2: 49:[45, 27] Operation: 62-35=27 Exploring Operation: 62-45=17, Resulting Numbers: [35, 17] Generated Node #0,3,3: 49:[35, 17] Operation: 62-45=17 Exploring Operation: 62+35=97, Resulting Numbers: [45, 97] Generated Node #0,3,4: 49:[45, 97] Operation: 62+35=97 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 49:[62, 10], Operations: ['70/2=35', '45-35=10'] Exploring Operation: 62+10=72, Resulting Numbers: [72] 72,49 unequal: No Solution Exploring Operation: 62*10=620, Resulting Numbers: [620] 620,49 unequal: No Solution Exploring Operation: 62-10=52, Resulting Numbers: [52] 52,49 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:[45, 27], Operations: ['70/2=35', '62-35=27'] Exploring Operation: 45+27=72, Resulting Numbers: [72] 72,49 unequal: No Solution Exploring Operation: 45*27=1215, Resulting Numbers: [1215] 1215,49 unequal: No Solution Exploring Operation: 45-27=18, Resulting Numbers: [18] 18,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 49:[35, 17], Operations: ['70/2=35', '62-45=17'] Exploring Operation: 35-17=18, Resulting Numbers: [18] 18,49 unequal: No Solution Exploring Operation: 35*17=595, Resulting Numbers: [595] 595,49 unequal: No Solution Exploring Operation: 35+17=52, Resulting Numbers: [52] 52,49 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:[62, 80], Operations: ['70/2=35', '45+35=80'] Exploring Operation: 80-62=18, Resulting Numbers: [18] 18,49 unequal: No Solution Exploring Operation: 62*80=4960, Resulting Numbers: [4960] 4960,49 unequal: No Solution Exploring Operation: 62+80=142, Resulting Numbers: [142] 142,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 49:[45, 97], Operations: ['70/2=35', '62+35=97'] Exploring Operation: 45*97=4365, Resulting Numbers: [4365] 4365,49 unequal: No Solution Exploring Operation: 45+97=142, Resulting Numbers: [142] 142,49 unequal: No Solution Exploring Operation: 97-45=52, Resulting Numbers: [52] 52,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 49:[62, 2, 25], Operations: ['70-45=25'] Exploring Operation: 62-25=37, Resulting Numbers: [2, 37] Generated Node #0,0,0: 49:[2, 37] Operation: 62-25=37 Exploring Operation: 25-2=23, Resulting Numbers: [62, 23] Generated Node #0,0,1: 49:[62, 23] Operation: 25-2=23 Exploring Operation: 62+2=64, Resulting Numbers: [25, 64] Generated Node #0,0,2: 49:[25, 64] Operation: 62+2=64 Exploring Operation: 62-2=60, Resulting Numbers: [25, 60] Generated Node #0,0,3: 49:[25, 60] Operation: 62-2=60 Exploring Operation: 2*25=50, Resulting Numbers: [62, 50] Generated Node #0,0,4: 49:[62, 50] Operation: 2*25=50 Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 49:[62, 50], Operations: ['70-45=25', '2*25=50'] Exploring Operation: 62*50=3100, Resulting Numbers: [3100] 3100,49 unequal: No Solution Exploring Operation: 62+50=112, Resulting Numbers: [112] 112,49 unequal: No Solution Exploring Operation: 62-50=12, Resulting Numbers: [12] 12,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 49:[2, 37], Operations: ['70-45=25', '62-25=37'] Exploring Operation: 37-2=35, Resulting Numbers: [35] 35,49 unequal: No Solution Exploring Operation: 2+37=39, Resulting Numbers: [39] 39,49 unequal: No Solution Exploring Operation: 2*37=74, Resulting Numbers: [74] 74,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 49:[62, 23], Operations: ['70-45=25', '25-2=23'] Exploring Operation: 62+23=85, Resulting Numbers: [85] 85,49 unequal: No Solution Exploring Operation: 62*23=1426, Resulting Numbers: [1426] 1426,49 unequal: No Solution Exploring Operation: 62-23=39, Resulting Numbers: [39] 39,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 49:[25, 60], Operations: ['70-45=25', '62-2=60'] Exploring Operation: 60-25=35, Resulting Numbers: [35] 35,49 unequal: No Solution Exploring Operation: 25*60=1500, Resulting Numbers: [1500] 1500,49 unequal: No Solution Exploring Operation: 25+60=85, Resulting Numbers: [85] 85,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 49:[25, 64], Operations: ['70-45=25', '62+2=64'] Exploring Operation: 25*64=1600, Resulting Numbers: [1600] 1600,49 unequal: No Solution Exploring Operation: 25+64=89, Resulting Numbers: [89] 89,49 unequal: No Solution Exploring Operation: 64-25=39, Resulting Numbers: [39] 39,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 49:[70, 2, 17], Operations: ['62-45=17'] Exploring Operation: 70+2=72, Resulting Numbers: [17, 72] Generated Node #0,1,0: 49:[17, 72] Operation: 70+2=72 Exploring Operation: 70-2=68, Resulting Numbers: [17, 68] Generated Node #0,1,1: 49:[17, 68] Operation: 70-2=68 Exploring Operation: 17-2=15, Resulting Numbers: [70, 15] Generated Node #0,1,2: 49:[70, 15] Operation: 17-2=15 Exploring Operation: 70-17=53, Resulting Numbers: [2, 53] Generated Node #0,1,3: 49:[2, 53] Operation: 70-17=53 Exploring Operation: 70/2=35, Resulting Numbers: [17, 35] Generated Node #0,1,4: 49:[17, 35] Operation: 70/2=35 Moving to Node #0,2 Current State: 49:[45, 70, 60], Operations: ['62-2=60'] Exploring Operation: 45+60=105, Resulting Numbers: [70, 105] Generated Node #0,2,0: 49:[70, 105] Operation: 45+60=105 Exploring Operation: 60-45=15, Resulting Numbers: [70, 15] Generated Node #0,2,1: 49:[70, 15] Operation: 60-45=15 Exploring Operation: 70-60=10, Resulting Numbers: [45, 10] Generated Node #0,2,2: 49:[45, 10] Operation: 70-60=10 Exploring Operation: 45+70=115, Resulting Numbers: [60, 115] Generated Node #0,2,3: 49:[60, 115] Operation: 45+70=115 Exploring Operation: 70-45=25, Resulting Numbers: [60, 25] Generated Node #0,2,4: 49:[60, 25] Operation: 70-45=25 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 49:[45, 10], Operations: ['62-2=60', '70-60=10'] Exploring Operation: 45*10=450, Resulting Numbers: [450] 450,49 unequal: No Solution Exploring Operation: 45-10=35, Resulting Numbers: [35] 35,49 unequal: No Solution Exploring Operation: 45+10=55, Resulting Numbers: [55] 55,49 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:[70, 15], Operations: ['62-2=60', '60-45=15'] Exploring Operation: 70*15=1050, Resulting Numbers: [1050] 1050,49 unequal: No Solution Exploring Operation: 70+15=85, Resulting Numbers: [85] 85,49 unequal: No Solution Exploring Operation: 70-15=55, Resulting Numbers: [55] 55,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 49:[60, 25], Operations: ['62-2=60', '70-45=25'] Exploring Operation: 60+25=85, Resulting Numbers: [85] 85,49 unequal: No Solution Exploring Operation: 60*25=1500, Resulting Numbers: [1500] 1500,49 unequal: No Solution Exploring Operation: 60-25=35, Resulting Numbers: [35] 35,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 49:[70, 105], Operations: ['62-2=60', '45+60=105'] Exploring Operation: 70*105=7350, Resulting Numbers: [7350] 7350,49 unequal: No Solution Exploring Operation: 105-70=35, Resulting Numbers: [35] 35,49 unequal: No Solution Exploring Operation: 70+105=175, Resulting Numbers: [175] 175,49 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:[60, 115], Operations: ['62-2=60', '45+70=115'] Exploring Operation: 60*115=6900, Resulting Numbers: [6900] 6900,49 unequal: No Solution Exploring Operation: 60+115=175, Resulting Numbers: [175] 175,49 unequal: No Solution Exploring Operation: 115-60=55, Resulting Numbers: [55] 55,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,4,4 Current State: 49:[8, 47], Operations: ['70-62=8', '45+2=47'] Exploring Operation: 8*47=376, Resulting Numbers: [376] 376,49 unequal: No Solution Exploring Operation: 47-8=39, Resulting Numbers: [39] 39,49 unequal: No Solution Exploring Operation: 8+47=55, Resulting Numbers: [55] 55,49 unequal: No Solution Moving to Node #0,4,2 Current State: 49:[45, 6], Operations: ['70-62=8', '8-2=6'] Exploring Operation: 45-6=39, Resulting Numbers: [39] 39,49 unequal: No Solution Exploring Operation: 45*6=270, Resulting Numbers: [270] 270,49 unequal: No Solution Exploring Operation: 45+6=51, Resulting Numbers: [51] 51,49 unequal: No Solution Moving to Node #0,4,0 Current State: 49:[45, 4], Operations: ['70-62=8', '8/2=4'] Exploring Operation: 45*4=180, Resulting Numbers: [180] 180,49 unequal: No Solution Exploring Operation: 45-4=41, Resulting Numbers: [41] 41,49 unequal: No Solution Exploring Operation: 45+4=49, Resulting Numbers: [49] 49,49 equal: Goal Reached Moving to Node #0 Current State: 49:[62, 45, 70, 2], Operations: [] Exploring Operation: 70-62=8, Resulting Numbers: [45, 2, 8] Generated Node #0,4: 49:[45, 2, 8] Operation: 70-62=8 Moving to Node #0,4 Current State: 49:[45, 2, 8], Operations: ['70-62=8'] Exploring Operation: 8/2=4, Resulting Numbers: [45, 4] Generated Node #0,4,0: 49:[45, 4] Operation: 8/2=4 Moving to Node #0,4,0 Current State: 49:[45, 4], Operations: ['70-62=8', '8/2=4'] Exploring Operation: 45+4=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
0.923611
hs_5
sum_heuristic
[ 62, 71, 12, 61 ]
64
[ "71-62=9", "12+61=73", "73-9=64" ]
Current State: 64:[62, 71, 12, 61], Operations: [] Exploring Operation: 71-62=9, Resulting Numbers: [12, 61, 9] Generated Node #2: [12, 61, 9] from Operation: 71-62=9 Current State: 64:[12, 61, 9], Operations: ['71-62=9'] Exploring Operation: 12+61=73, Resulting Numbers: [9, 73] Generated Node #3: [9, 73] from Operation: 12+61=73 Current State: 64:[9, 73], Operations: ['71-62=9', '12+61=73'] Exploring Operation: 73-9=64, Resulting Numbers: [64] 64,64 equal: Goal Reached
4
Current State: 64:[62, 71, 12, 61], Operations: [] Exploring Operation: 71-12=59, Resulting Numbers: [62, 61, 59] Generated Node #0,0: 64:[62, 61, 59] Operation: 71-12=59 Exploring Operation: 71-61=10, Resulting Numbers: [62, 12, 10] Generated Node #0,1: 64:[62, 12, 10] Operation: 71-61=10 Exploring Operation: 62-61=1, Resulting Numbers: [71, 12, 1] Generated Node #0,2: 64:[71, 12, 1] Operation: 62-61=1 Exploring Operation: 71-62=9, Resulting Numbers: [12, 61, 9] Generated Node #0,3: 64:[12, 61, 9] Operation: 71-62=9 Moving to Node #0,1 Current State: 64:[62, 12, 10], Operations: ['71-61=10'] Exploring Operation: 62+12=74, Resulting Numbers: [10, 74] Generated Node #0,1,0: 64:[10, 74] Operation: 62+12=74 Exploring Operation: 12+10=22, Resulting Numbers: [62, 22] Generated Node #0,1,1: 64:[62, 22] Operation: 12+10=22 Exploring Operation: 62+10=72, Resulting Numbers: [12, 72] Generated Node #0,1,2: 64:[12, 72] Operation: 62+10=72 Exploring Operation: 12-10=2, Resulting Numbers: [62, 2] Generated Node #0,1,3: 64:[62, 2] Operation: 12-10=2 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 64:[62, 2], Operations: ['71-61=10', '12-10=2'] Exploring Operation: 62*2=124, Resulting Numbers: [124] 124,64 unequal: No Solution Exploring Operation: 62/2=31, Resulting Numbers: [31] 31,64 unequal: No Solution Exploring Operation: 62+2=64, Resulting Numbers: [64] 64,64 equal: Goal Reached Moving to Node #0 Current State: 64:[62, 71, 12, 61], Operations: [] Exploring Operation: 71-61=10, Resulting Numbers: [62, 12, 10] Generated Node #0,1: 64:[62, 12, 10] Operation: 71-61=10 Moving to Node #0,1 Current State: 64:[62, 12, 10], Operations: ['71-61=10'] Exploring Operation: 12-10=2, Resulting Numbers: [62, 2] Generated Node #0,1,3: 64:[62, 2] Operation: 12-10=2 Moving to Node #0,1,3 Current State: 64:[62, 2], Operations: ['71-61=10', '12-10=2'] Exploring Operation: 62+2=64, Resulting Numbers: [64] 64,64 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_4
sum_heuristic
[ 36, 26, 44, 5 ]
90
[ "36+26=62", "62-44=18", "5*18=90" ]
Current State: 90:[36, 26, 44, 5], Operations: [] Exploring Operation: 36+26=62, Resulting Numbers: [44, 5, 62] Generated Node #2: [44, 5, 62] from Operation: 36+26=62 Current State: 90:[44, 5, 62], Operations: ['36+26=62'] Exploring Operation: 62-44=18, Resulting Numbers: [5, 18] Generated Node #3: [5, 18] from Operation: 62-44=18 Current State: 90:[5, 18], Operations: ['36+26=62', '62-44=18'] Exploring Operation: 5*18=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
4
Current State: 90:[36, 26, 44, 5], Operations: [] Exploring Operation: 36-26=10, Resulting Numbers: [44, 5, 10] Generated Node #0,0: 90:[44, 5, 10] Operation: 36-26=10 Moving to Node #0,0 Current State: 90:[44, 5, 10], Operations: ['36-26=10'] Exploring Operation: 5+10=15, Resulting Numbers: [44, 15] Generated Node #0,0,0: 90:[44, 15] Operation: 5+10=15 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 90:[44, 15], Operations: ['36-26=10', '5+10=15'] Exploring Operation: 44-15=29, Resulting Numbers: [29] 29,90 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
[ 32, 66, 34, 99 ]
83
[ "34*99=3366", "3366/66=51", "32+51=83" ]
Current State: 83:[32, 66, 34, 99], Operations: [] Exploring Operation: 34*99=3366, Resulting Numbers: [32, 66, 3366] Generated Node #2: [32, 66, 3366] from Operation: 34*99=3366 Current State: 83:[32, 66, 3366], Operations: ['34*99=3366'] Exploring Operation: 3366/66=51, Resulting Numbers: [32, 51] Generated Node #3: [32, 51] from Operation: 3366/66=51 Current State: 83:[32, 51], Operations: ['34*99=3366', '3366/66=51'] Exploring Operation: 32+51=83, Resulting Numbers: [83] 83,83 equal: Goal Reached
4
Current State: 83:[32, 66, 34, 99], Operations: [] Exploring Operation: 99-32=67, Resulting Numbers: [66, 34, 67] Generated Node #0,0: 83:[66, 34, 67] Operation: 99-32=67 Exploring Operation: 66+34=100, Resulting Numbers: [32, 99, 100] Generated Node #0,1: 83:[32, 99, 100] Operation: 66+34=100 Exploring Operation: 32+34=66, Resulting Numbers: [66, 99, 66] Generated Node #0,2: 83:[66, 99, 66] Operation: 32+34=66 Exploring Operation: 32+66=98, Resulting Numbers: [34, 99, 98] Generated Node #0,3: 83:[34, 99, 98] Operation: 32+66=98 Moving to Node #0,2 Current State: 83:[66, 99, 66], Operations: ['32+34=66'] Exploring Operation: 66/66=1, Resulting Numbers: [99, 1] Generated Node #0,2,0: 83:[99, 1] Operation: 66/66=1 Exploring Operation: 66+66=132, Resulting Numbers: [99, 132] Generated Node #0,2,1: 83:[99, 132] Operation: 66+66=132 Exploring Operation: 99-66=33, Resulting Numbers: [66, 33] Generated Node #0,2,2: 83:[66, 33] Operation: 99-66=33 Exploring Operation: 99-66=33, Resulting Numbers: [66, 33] Generated Node #0,2,3: 83:[66, 33] Operation: 99-66=33 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 83:[99, 132], Operations: ['32+34=66', '66+66=132'] Exploring Operation: 99*132=13068, Resulting Numbers: [13068] 13068,83 unequal: No Solution Exploring Operation: 132-99=33, Resulting Numbers: [33] 33,83 unequal: No Solution Exploring Operation: 99+132=231, Resulting Numbers: [231] 231,83 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 #0,2,2 Current State: 83:[66, 33], Operations: ['32+34=66', '99-66=33'] Exploring Operation: 66/33=2, Resulting Numbers: [2] 2,83 unequal: No Solution Exploring Operation: 66-33=33, Resulting Numbers: [33] 33,83 unequal: No Solution Exploring Operation: 66*33=2178, Resulting Numbers: [2178] 2178,83 unequal: No Solution Exploring Operation: 66+33=99, Resulting Numbers: [99] 99,83 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 #0,2,3 Current State: 83:[66, 33], Operations: ['32+34=66', '99-66=33'] Exploring Operation: 66+33=99, Resulting Numbers: [99] 99,83 unequal: No Solution Exploring Operation: 66-33=33, Resulting Numbers: [33] 33,83 unequal: No Solution Exploring Operation: 66/33=2, Resulting Numbers: [2] 2,83 unequal: No Solution Exploring Operation: 66*33=2178, Resulting Numbers: [2178] 2178,83 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 #0,2,0 Current State: 83:[99, 1], Operations: ['32+34=66', '66/66=1'] Exploring Operation: 99/1=99, Resulting Numbers: [99] 99,83 unequal: No Solution Exploring Operation: 99+1=100, Resulting Numbers: [100] 100,83 unequal: No Solution Exploring Operation: 99*1=99, Resulting Numbers: [99] 99,83 unequal: No Solution Exploring Operation: 99-1=98, Resulting Numbers: [98] 98,83 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:[34, 99, 98], Operations: ['32+66=98'] Exploring Operation: 99-34=65, Resulting Numbers: [98, 65] Generated Node #0,3,0: 83:[98, 65] Operation: 99-34=65 Exploring Operation: 34+98=132, Resulting Numbers: [99, 132] Generated Node #0,3,1: 83:[99, 132] Operation: 34+98=132 Exploring Operation: 98-34=64, Resulting Numbers: [99, 64] Generated Node #0,3,2: 83:[99, 64] Operation: 98-34=64 Exploring Operation: 34+99=133, Resulting Numbers: [98, 133] Generated Node #0,3,3: 83:[98, 133] Operation: 34+99=133 Moving to Node #0,0 Current State: 83:[66, 34, 67], Operations: ['99-32=67'] Exploring Operation: 66-34=32, Resulting Numbers: [67, 32] Generated Node #0,0,0: 83:[67, 32] Operation: 66-34=32 Exploring Operation: 66+34=100, Resulting Numbers: [67, 100] Generated Node #0,0,1: 83:[67, 100] Operation: 66+34=100 Exploring Operation: 34+67=101, Resulting Numbers: [66, 101] Generated Node #0,0,2: 83:[66, 101] Operation: 34+67=101 Exploring Operation: 67-34=33, Resulting Numbers: [66, 33] Generated Node #0,0,3: 83:[66, 33] Operation: 67-34=33 Moving to Node #0,1 Current State: 83:[32, 99, 100], Operations: ['66+34=100'] Exploring Operation: 99-32=67, Resulting Numbers: [100, 67] Generated Node #0,1,0: 83:[100, 67] Operation: 99-32=67 Exploring Operation: 100-32=68, Resulting Numbers: [99, 68] Generated Node #0,1,1: 83:[99, 68] Operation: 100-32=68 Exploring Operation: 32+99=131, Resulting Numbers: [100, 131] Generated Node #0,1,2: 83:[100, 131] Operation: 32+99=131 Exploring Operation: 32+100=132, Resulting Numbers: [99, 132] Generated Node #0,1,3: 83:[99, 132] Operation: 32+100=132 Moving to Node #0,1,1 Current State: 83:[99, 68], Operations: ['66+34=100', '100-32=68'] Exploring Operation: 99-68=31, Resulting Numbers: [31] 31,83 unequal: No Solution Exploring Operation: 99+68=167, Resulting Numbers: [167] 167,83 unequal: No Solution Exploring Operation: 99*68=6732, Resulting Numbers: [6732] 6732,83 unequal: No Solution Moving to Node #0,3,0 Current State: 83:[98, 65], Operations: ['32+66=98', '99-34=65'] Exploring Operation: 98-65=33, Resulting Numbers: [33] 33,83 unequal: No Solution Exploring Operation: 98+65=163, Resulting Numbers: [163] 163,83 unequal: No Solution Exploring Operation: 98*65=6370, Resulting Numbers: [6370] 6370,83 unequal: No Solution Moving to Node #0,1,0 Current State: 83:[100, 67], Operations: ['66+34=100', '99-32=67'] Exploring Operation: 100-67=33, Resulting Numbers: [33] 33,83 unequal: No Solution Exploring Operation: 100+67=167, Resulting Numbers: [167] 167,83 unequal: No Solution Exploring Operation: 100*67=6700, Resulting Numbers: [6700] 6700,83 unequal: No Solution Moving to Node #0,0,1 Current State: 83:[67, 100], Operations: ['99-32=67', '66+34=100'] Exploring Operation: 100-67=33, Resulting Numbers: [33] 33,83 unequal: No Solution Exploring Operation: 67+100=167, Resulting Numbers: [167] 167,83 unequal: No Solution Exploring Operation: 67*100=6700, Resulting Numbers: [6700] 6700,83 unequal: No Solution Moving to Node #0,0,2 Current State: 83:[66, 101], Operations: ['99-32=67', '34+67=101'] Exploring Operation: 66*101=6666, Resulting Numbers: [6666] 6666,83 unequal: No Solution Exploring Operation: 66+101=167, Resulting Numbers: [167] 167,83 unequal: No Solution Exploring Operation: 101-66=35, Resulting Numbers: [35] 35,83 unequal: No Solution Moving to Node #0,3,2 Current State: 83:[99, 64], Operations: ['32+66=98', '98-34=64'] Exploring Operation: 99*64=6336, Resulting Numbers: [6336] 6336,83 unequal: No Solution Exploring Operation: 99+64=163, Resulting Numbers: [163] 163,83 unequal: No Solution Exploring Operation: 99-64=35, Resulting Numbers: [35] 35,83 unequal: No Solution Moving to Node #0,3,1 Current State: 83:[99, 132], Operations: ['32+66=98', '34+98=132'] Exploring Operation: 99*132=13068, Resulting Numbers: [13068] 13068,83 unequal: No Solution Exploring Operation: 99+132=231, Resulting Numbers: [231] 231,83 unequal: No Solution Exploring Operation: 132-99=33, Resulting Numbers: [33] 33,83 unequal: No Solution Moving to Node #0,1,2 Current State: 83:[100, 131], Operations: ['66+34=100', '32+99=131'] Exploring Operation: 131-100=31, Resulting Numbers: [31] 31,83 unequal: No Solution Exploring Operation: 100*131=13100, Resulting Numbers: [13100] 13100,83 unequal: No Solution Exploring Operation: 100+131=231, Resulting Numbers: [231] 231,83 unequal: No Solution Moving to Node #0,1,3 Current State: 83:[99, 132], Operations: ['66+34=100', '32+100=132'] Exploring Operation: 99+132=231, Resulting Numbers: [231] 231,83 unequal: No Solution Exploring Operation: 99*132=13068, Resulting Numbers: [13068] 13068,83 unequal: No Solution Exploring Operation: 132-99=33, Resulting Numbers: [33] 33,83 unequal: No Solution Moving to Node #0,3,3 Current State: 83:[98, 133], Operations: ['32+66=98', '34+99=133'] Exploring Operation: 98*133=13034, Resulting Numbers: [13034] 13034,83 unequal: No Solution Exploring Operation: 133-98=35, Resulting Numbers: [35] 35,83 unequal: No Solution Exploring Operation: 98+133=231, Resulting Numbers: [231] 231,83 unequal: No Solution Moving to Node #0,0,3 Current State: 83:[66, 33], Operations: ['99-32=67', '67-34=33'] Exploring Operation: 66/33=2, Resulting Numbers: [2] 2,83 unequal: No Solution Exploring Operation: 66+33=99, Resulting Numbers: [99] 99,83 unequal: No Solution Exploring Operation: 66*33=2178, Resulting Numbers: [2178] 2178,83 unequal: No Solution Exploring Operation: 66-33=33, Resulting Numbers: [33] 33,83 unequal: No Solution Moving to Node #0,0,0 Current State: 83:[67, 32], Operations: ['99-32=67', '66-34=32'] Exploring Operation: 67-32=35, Resulting Numbers: [35] 35,83 unequal: No Solution Exploring Operation: 67*32=2144, Resulting Numbers: [2144] 2144,83 unequal: No Solution Exploring Operation: 67+32=99, Resulting Numbers: [99] 99,83 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 16, 14, 75, 6 ]
53
[ "14-6=8", "16*8=128", "128-75=53" ]
Current State: 53:[16, 14, 75, 6], Operations: [] Exploring Operation: 14-6=8, Resulting Numbers: [16, 75, 8] Generated Node #2: [16, 75, 8] from Operation: 14-6=8 Current State: 53:[16, 75, 8], Operations: ['14-6=8'] Exploring Operation: 16*8=128, Resulting Numbers: [75, 128] Generated Node #3: [75, 128] from Operation: 16*8=128 Current State: 53:[75, 128], Operations: ['14-6=8', '16*8=128'] Exploring Operation: 128-75=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[16, 14, 75, 6], Operations: [] Exploring Operation: 16+14=30, Resulting Numbers: [75, 6, 30] Generated Node #0,0: 53:[75, 6, 30] Operation: 16+14=30 Exploring Operation: 14*6=84, Resulting Numbers: [16, 75, 84] Generated Node #0,1: 53:[16, 75, 84] Operation: 14*6=84 Exploring Operation: 16+6=22, Resulting Numbers: [14, 75, 22] Generated Node #0,2: 53:[14, 75, 22] Operation: 16+6=22 Exploring Operation: 75-16=59, Resulting Numbers: [14, 6, 59] Generated Node #0,3: 53:[14, 6, 59] Operation: 75-16=59 Moving to Node #0,1 Current State: 53:[16, 75, 84], Operations: ['14*6=84'] Exploring Operation: 75-16=59, Resulting Numbers: [84, 59] Generated Node #0,1,0: 53:[84, 59] Operation: 75-16=59 Exploring Operation: 84-16=68, Resulting Numbers: [75, 68] Generated Node #0,1,1: 53:[75, 68] Operation: 84-16=68 Exploring Operation: 16+75=91, Resulting Numbers: [84, 91] Generated Node #0,1,2: 53:[84, 91] Operation: 16+75=91 Exploring Operation: 16+84=100, Resulting Numbers: [75, 100] Generated Node #0,1,3: 53:[75, 100] Operation: 16+84=100 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 53:[84, 59], Operations: ['14*6=84', '75-16=59'] Exploring Operation: 84-59=25, Resulting Numbers: [25] 25,53 unequal: No Solution Exploring Operation: 84*59=4956, Resulting Numbers: [4956] 4956,53 unequal: No Solution Exploring Operation: 84+59=143, Resulting Numbers: [143] 143,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 53:[75, 68], Operations: ['14*6=84', '84-16=68'] Exploring Operation: 75-68=7, Resulting Numbers: [7] 7,53 unequal: No Solution Exploring Operation: 75*68=5100, Resulting Numbers: [5100] 5100,53 unequal: No Solution Exploring Operation: 75+68=143, Resulting Numbers: [143] 143,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 53:[84, 91], Operations: ['14*6=84', '16+75=91'] Exploring Operation: 84+91=175, Resulting Numbers: [175] 175,53 unequal: No Solution Exploring Operation: 84*91=7644, Resulting Numbers: [7644] 7644,53 unequal: No Solution Exploring Operation: 91-84=7, Resulting Numbers: [7] 7,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 53:[75, 100], Operations: ['14*6=84', '16+84=100'] Exploring Operation: 75+100=175, Resulting Numbers: [175] 175,53 unequal: No Solution Exploring Operation: 100-75=25, Resulting Numbers: [25] 25,53 unequal: No Solution Exploring Operation: 75*100=7500, Resulting Numbers: [7500] 7500,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 53:[14, 75, 22], Operations: ['16+6=22'] Exploring Operation: 75-22=53, Resulting Numbers: [14, 53] Generated Node #0,2,0: 53:[14, 53] Operation: 75-22=53 Exploring Operation: 75-14=61, Resulting Numbers: [22, 61] Generated Node #0,2,1: 53:[22, 61] Operation: 75-14=61 Exploring Operation: 14+22=36, Resulting Numbers: [75, 36] Generated Node #0,2,2: 53:[75, 36] Operation: 14+22=36 Exploring Operation: 14+75=89, Resulting Numbers: [22, 89] Generated Node #0,2,3: 53:[22, 89] Operation: 14+75=89 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 53:[14, 53], Operations: ['16+6=22', '75-22=53'] Exploring Operation: 53-14=39, Resulting Numbers: [39] 39,53 unequal: No Solution Exploring Operation: 14*53=742, Resulting Numbers: [742] 742,53 unequal: No Solution Exploring Operation: 14+53=67, Resulting Numbers: [67] 67,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 53:[22, 61], Operations: ['16+6=22', '75-14=61'] Exploring Operation: 22+61=83, Resulting Numbers: [83] 83,53 unequal: No Solution Exploring Operation: 22*61=1342, Resulting Numbers: [1342] 1342,53 unequal: No Solution Exploring Operation: 61-22=39, Resulting Numbers: [39] 39,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 53:[75, 36], Operations: ['16+6=22', '14+22=36'] Exploring Operation: 75-36=39, Resulting Numbers: [39] 39,53 unequal: No Solution Exploring Operation: 75+36=111, Resulting Numbers: [111] 111,53 unequal: No Solution Exploring Operation: 75*36=2700, Resulting Numbers: [2700] 2700,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 53:[22, 89], Operations: ['16+6=22', '14+75=89'] Exploring Operation: 22*89=1958, Resulting Numbers: [1958] 1958,53 unequal: No Solution Exploring Operation: 22+89=111, Resulting Numbers: [111] 111,53 unequal: No Solution Exploring Operation: 89-22=67, Resulting Numbers: [67] 67,53 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: 53:[75, 6, 30], Operations: ['16+14=30'] Exploring Operation: 30-6=24, Resulting Numbers: [75, 24] Generated Node #0,0,0: 53:[75, 24] Operation: 30-6=24 Exploring Operation: 75-6=69, Resulting Numbers: [30, 69] Generated Node #0,0,1: 53:[30, 69] Operation: 75-6=69 Exploring Operation: 6+30=36, Resulting Numbers: [75, 36] Generated Node #0,0,2: 53:[75, 36] Operation: 6+30=36 Exploring Operation: 75+6=81, Resulting Numbers: [30, 81] Generated Node #0,0,3: 53:[30, 81] Operation: 75+6=81 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 53:[30, 69], Operations: ['16+14=30', '75-6=69'] Exploring Operation: 30+69=99, Resulting Numbers: [99] 99,53 unequal: No Solution Exploring Operation: 69-30=39, Resulting Numbers: [39] 39,53 unequal: No Solution Exploring Operation: 30*69=2070, Resulting Numbers: [2070] 2070,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 53:[75, 36], Operations: ['16+14=30', '6+30=36'] Exploring Operation: 75*36=2700, Resulting Numbers: [2700] 2700,53 unequal: No Solution Exploring Operation: 75-36=39, Resulting Numbers: [39] 39,53 unequal: No Solution Exploring Operation: 75+36=111, Resulting Numbers: [111] 111,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 53:[75, 24], Operations: ['16+14=30', '30-6=24'] Exploring Operation: 75+24=99, Resulting Numbers: [99] 99,53 unequal: No Solution Exploring Operation: 75-24=51, Resulting Numbers: [51] 51,53 unequal: No Solution Exploring Operation: 75*24=1800, Resulting Numbers: [1800] 1800,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 53:[30, 81], Operations: ['16+14=30', '75+6=81'] Exploring Operation: 81-30=51, Resulting Numbers: [51] 51,53 unequal: No Solution Exploring Operation: 30+81=111, Resulting Numbers: [111] 111,53 unequal: No Solution Exploring Operation: 30*81=2430, Resulting Numbers: [2430] 2430,53 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: 53:[14, 6, 59], Operations: ['75-16=59'] Exploring Operation: 14*6=84, Resulting Numbers: [59, 84] Generated Node #0,3,0: 53:[59, 84] Operation: 14*6=84 Exploring Operation: 59-6=53, Resulting Numbers: [14, 53] Generated Node #0,3,1: 53:[14, 53] Operation: 59-6=53 Exploring Operation: 14-6=8, Resulting Numbers: [59, 8] Generated Node #0,3,2: 53:[59, 8] Operation: 14-6=8 Exploring Operation: 14+6=20, Resulting Numbers: [59, 20] Generated Node #0,3,3: 53:[59, 20] Operation: 14+6=20 Moving to Node #0,3,0 Current State: 53:[59, 84], Operations: ['75-16=59', '14*6=84'] Exploring Operation: 59*84=4956, Resulting Numbers: [4956] 4956,53 unequal: No Solution Exploring Operation: 59+84=143, Resulting Numbers: [143] 143,53 unequal: No Solution Exploring Operation: 84-59=25, Resulting Numbers: [25] 25,53 unequal: No Solution Moving to Node #0,3,3 Current State: 53:[59, 20], Operations: ['75-16=59', '14+6=20'] Exploring Operation: 59-20=39, Resulting Numbers: [39] 39,53 unequal: No Solution Exploring Operation: 59*20=1180, Resulting Numbers: [1180] 1180,53 unequal: No Solution Exploring Operation: 59+20=79, Resulting Numbers: [79] 79,53 unequal: No Solution Moving to Node #0,3,1 Current State: 53:[14, 53], Operations: ['75-16=59', '59-6=53'] Exploring Operation: 14+53=67, Resulting Numbers: [67] 67,53 unequal: No Solution Exploring Operation: 53-14=39, Resulting Numbers: [39] 39,53 unequal: No Solution Exploring Operation: 14*53=742, Resulting Numbers: [742] 742,53 unequal: No Solution Moving to Node #0,3,2 Current State: 53:[59, 8], Operations: ['75-16=59', '14-6=8'] Exploring Operation: 59*8=472, Resulting Numbers: [472] 472,53 unequal: No Solution Exploring Operation: 59-8=51, Resulting Numbers: [51] 51,53 unequal: No Solution Exploring Operation: 59+8=67, Resulting Numbers: [67] 67,53 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 2, 60, 95, 11 ]
26
[ "60-2=58", "95-11=84", "84-58=26" ]
Current State: 26:[2, 60, 95, 11], Operations: [] Exploring Operation: 60-2=58, Resulting Numbers: [95, 11, 58] Generated Node #2: [95, 11, 58] from Operation: 60-2=58 Current State: 26:[95, 11, 58], Operations: ['60-2=58'] Exploring Operation: 95-11=84, Resulting Numbers: [58, 84] Generated Node #3: [58, 84] from Operation: 95-11=84 Current State: 26:[58, 84], Operations: ['60-2=58', '95-11=84'] Exploring Operation: 84-58=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
4
Current State: 26:[2, 60, 95, 11], Operations: [] Exploring Operation: 60/2=30, Resulting Numbers: [95, 11, 30] Generated Node #0,0: 26:[95, 11, 30] Operation: 60/2=30 Exploring Operation: 95-60=35, Resulting Numbers: [2, 11, 35] Generated Node #0,1: 26:[2, 11, 35] Operation: 95-60=35 Moving to Node #0,1 Current State: 26:[2, 11, 35], Operations: ['95-60=35'] Exploring Operation: 35-11=24, Resulting Numbers: [2, 24] Generated Node #0,1,0: 26:[2, 24] Operation: 35-11=24 Exploring Operation: 2+11=13, Resulting Numbers: [35, 13] Generated Node #0,1,1: 26:[35, 13] Operation: 2+11=13 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 26:[2, 24], Operations: ['95-60=35', '35-11=24'] Exploring Operation: 24/2=12, Resulting Numbers: [12] 12,26 unequal: No Solution Exploring Operation: 2+24=26, Resulting Numbers: [26] 26,26 equal: Goal Reached Moving to Node #0 Current State: 26:[2, 60, 95, 11], Operations: [] Exploring Operation: 95-60=35, Resulting Numbers: [2, 11, 35] Generated Node #0,1: 26:[2, 11, 35] Operation: 95-60=35 Moving to Node #0,1 Current State: 26:[2, 11, 35], Operations: ['95-60=35'] Exploring Operation: 35-11=24, Resulting Numbers: [2, 24] Generated Node #0,1,0: 26:[2, 24] Operation: 35-11=24 Moving to Node #0,1,0 Current State: 26:[2, 24], Operations: ['95-60=35', '35-11=24'] Exploring Operation: 2+24=26, Resulting Numbers: [26] 26,26 equal: Goal Reached Exit Sub Search at level 1
0.991319
hs_2
mult_heuristic
[ 29, 82, 58, 63 ]
63
[ "82+63=145", "145/29=5", "58+5=63" ]
Current State: 63:[29, 82, 58, 63], Operations: [] Exploring Operation: 82+63=145, Resulting Numbers: [29, 58, 145] Generated Node #2: [29, 58, 145] from Operation: 82+63=145 Current State: 63:[29, 58, 145], Operations: ['82+63=145'] Exploring Operation: 145/29=5, Resulting Numbers: [58, 5] Generated Node #3: [58, 5] from Operation: 145/29=5 Current State: 63:[58, 5], Operations: ['82+63=145', '145/29=5'] Exploring Operation: 58+5=63, Resulting Numbers: [63] 63,63 equal: Goal Reached
4
Current State: 63:[29, 82, 58, 63], Operations: [] Exploring Operation: 82-58=24, Resulting Numbers: [29, 63, 24] Generated Node #0,0: 63:[29, 63, 24] Operation: 82-58=24 Start Sub Search at level 1: Moving to Node #0,0 Current State: 63:[29, 63, 24], Operations: ['82-58=24'] Exploring Operation: 29-24=5, Resulting Numbers: [63, 5] Generated Node #0,0,0: 63:[63, 5] Operation: 29-24=5 Moving to Node #0,0,0 Current State: 63:[63, 5], Operations: ['82-58=24', '29-24=5'] Exploring Operation: 63+5=68, Resulting Numbers: [68] 68,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 58, 84, 4, 54 ]
85
[ "58-4=54", "54/54=1", "84+1=85" ]
Current State: 85:[58, 84, 4, 54], Operations: [] Exploring Operation: 58-4=54, Resulting Numbers: [84, 54, 54] Generated Node #2: [84, 54, 54] from Operation: 58-4=54 Current State: 85:[84, 54, 54], Operations: ['58-4=54'] Exploring Operation: 54/54=1, Resulting Numbers: [84, 1] Generated Node #3: [84, 1] from Operation: 54/54=1 Current State: 85:[84, 1], Operations: ['58-4=54', '54/54=1'] Exploring Operation: 84+1=85, Resulting Numbers: [85] 85,85 equal: Goal Reached
4
Current State: 85:[58, 84, 4, 54], Operations: [] Exploring Operation: 58-54=4, Resulting Numbers: [84, 4, 4] Generated Node #0,0: 85:[84, 4, 4] Operation: 58-54=4 Exploring Operation: 58+54=112, Resulting Numbers: [84, 4, 112] Generated Node #0,1: 85:[84, 4, 112] Operation: 58+54=112 Moving to Node #0,0 Current State: 85:[84, 4, 4], Operations: ['58-54=4'] Exploring Operation: 84+4=88, Resulting Numbers: [4, 88] Generated Node #0,0,0: 85:[4, 88] Operation: 84+4=88 Exploring Operation: 4*4=16, Resulting Numbers: [84, 16] Generated Node #0,0,1: 85:[84, 16] Operation: 4*4=16 Moving to Node #0,1 Current State: 85:[84, 4, 112], Operations: ['58+54=112'] Exploring Operation: 112/4=28, Resulting Numbers: [84, 28] Generated Node #0,1,0: 85:[84, 28] Operation: 112/4=28 Exploring Operation: 112-84=28, Resulting Numbers: [4, 28] Generated Node #0,1,1: 85:[4, 28] Operation: 112-84=28 Moving to Node #0,0,1 Current State: 85:[84, 16], Operations: ['58-54=4', '4*4=16'] Exploring Operation: 84+16=100, Resulting Numbers: [100] 100,85 unequal: No Solution Exploring Operation: 84-16=68, Resulting Numbers: [68] 68,85 unequal: No Solution Moving to Node #0,0,0 Current State: 85:[4, 88], Operations: ['58-54=4', '84+4=88'] Exploring Operation: 88/4=22, Resulting Numbers: [22] 22,85 unequal: No Solution Exploring Operation: 88-4=84, Resulting Numbers: [84] 84,85 unequal: No Solution Moving to Node #0,1,1 Current State: 85:[4, 28], Operations: ['58+54=112', '112-84=28'] Exploring Operation: 28/4=7, Resulting Numbers: [7] 7,85 unequal: No Solution Exploring Operation: 28-4=24, Resulting Numbers: [24] 24,85 unequal: No Solution Moving to Node #0,1,0 Current State: 85:[84, 28], Operations: ['58+54=112', '112/4=28'] Exploring Operation: 84/28=3, Resulting Numbers: [3] 3,85 unequal: No Solution Exploring Operation: 84+28=112, Resulting Numbers: [112] 112,85 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 35, 37, 40, 15 ]
80
[ "40-37=3", "15*3=45", "35+45=80" ]
Current State: 80:[35, 37, 40, 15], Operations: [] Exploring Operation: 40-37=3, Resulting Numbers: [35, 15, 3] Generated Node #2: [35, 15, 3] from Operation: 40-37=3 Current State: 80:[35, 15, 3], Operations: ['40-37=3'] Exploring Operation: 15*3=45, Resulting Numbers: [35, 45] Generated Node #3: [35, 45] from Operation: 15*3=45 Current State: 80:[35, 45], Operations: ['40-37=3', '15*3=45'] Exploring Operation: 35+45=80, Resulting Numbers: [80] 80,80 equal: Goal Reached
4
Current State: 80:[35, 37, 40, 15], Operations: [] Exploring Operation: 37-35=2, Resulting Numbers: [40, 15, 2] Generated Node #0,0: 80:[40, 15, 2] Operation: 37-35=2 Exploring Operation: 40-37=3, Resulting Numbers: [35, 15, 3] Generated Node #0,1: 80:[35, 15, 3] Operation: 40-37=3 Exploring Operation: 40-35=5, Resulting Numbers: [37, 15, 5] Generated Node #0,2: 80:[37, 15, 5] Operation: 40-35=5 Exploring Operation: 35-15=20, Resulting Numbers: [37, 40, 20] Generated Node #0,3: 80:[37, 40, 20] Operation: 35-15=20 Exploring Operation: 37-15=22, Resulting Numbers: [35, 40, 22] Generated Node #0,4: 80:[35, 40, 22] Operation: 37-15=22 Moving to Node #0,0 Current State: 80:[40, 15, 2], Operations: ['37-35=2'] Exploring Operation: 40/2=20, Resulting Numbers: [15, 20] Generated Node #0,0,0: 80:[15, 20] Operation: 40/2=20 Exploring Operation: 40-2=38, Resulting Numbers: [15, 38] Generated Node #0,0,1: 80:[15, 38] Operation: 40-2=38 Exploring Operation: 40*2=80, Resulting Numbers: [15, 80] Generated Node #0,0,2: 80:[15, 80] Operation: 40*2=80 Exploring Operation: 40+2=42, Resulting Numbers: [15, 42] Generated Node #0,0,3: 80:[15, 42] Operation: 40+2=42 Exploring Operation: 15+2=17, Resulting Numbers: [40, 17] Generated Node #0,0,4: 80:[40, 17] Operation: 15+2=17 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 80:[15, 20], Operations: ['37-35=2', '40/2=20'] Exploring Operation: 20-15=5, Resulting Numbers: [5] 5,80 unequal: No Solution Exploring Operation: 15+20=35, Resulting Numbers: [35] 35,80 unequal: No Solution Exploring Operation: 15*20=300, Resulting Numbers: [300] 300,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 80:[15, 80], Operations: ['37-35=2', '40*2=80'] Exploring Operation: 15+80=95, Resulting Numbers: [95] 95,80 unequal: No Solution Exploring Operation: 80-15=65, Resulting Numbers: [65] 65,80 unequal: No Solution Exploring Operation: 15*80=1200, Resulting Numbers: [1200] 1200,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 80:[40, 17], Operations: ['37-35=2', '15+2=17'] Exploring Operation: 40-17=23, Resulting Numbers: [23] 23,80 unequal: No Solution Exploring Operation: 40+17=57, Resulting Numbers: [57] 57,80 unequal: No Solution Exploring Operation: 40*17=680, Resulting Numbers: [680] 680,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 80:[15, 38], Operations: ['37-35=2', '40-2=38'] Exploring Operation: 15*38=570, Resulting Numbers: [570] 570,80 unequal: No Solution Exploring Operation: 38-15=23, Resulting Numbers: [23] 23,80 unequal: No Solution Exploring Operation: 15+38=53, Resulting Numbers: [53] 53,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 80:[15, 42], Operations: ['37-35=2', '40+2=42'] Exploring Operation: 15*42=630, Resulting Numbers: [630] 630,80 unequal: No Solution Exploring Operation: 15+42=57, Resulting Numbers: [57] 57,80 unequal: No Solution Exploring Operation: 42-15=27, Resulting Numbers: [27] 27,80 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: 80:[37, 40, 20], Operations: ['35-15=20'] Exploring Operation: 37+40=77, Resulting Numbers: [20, 77] Generated Node #0,3,0: 80:[20, 77] Operation: 37+40=77 Exploring Operation: 40-20=20, Resulting Numbers: [37, 20] Generated Node #0,3,1: 80:[37, 20] Operation: 40-20=20 Exploring Operation: 37-20=17, Resulting Numbers: [40, 17] Generated Node #0,3,2: 80:[40, 17] Operation: 37-20=17 Exploring Operation: 40-37=3, Resulting Numbers: [20, 3] Generated Node #0,3,3: 80:[20, 3] Operation: 40-37=3 Exploring Operation: 40/20=2, Resulting Numbers: [37, 2] Generated Node #0,3,4: 80:[37, 2] Operation: 40/20=2 Moving to Node #0,2 Current State: 80:[37, 15, 5], Operations: ['40-35=5'] Exploring Operation: 15-5=10, Resulting Numbers: [37, 10] Generated Node #0,2,0: 80:[37, 10] Operation: 15-5=10 Exploring Operation: 37+5=42, Resulting Numbers: [15, 42] Generated Node #0,2,1: 80:[15, 42] Operation: 37+5=42 Exploring Operation: 15/5=3, Resulting Numbers: [37, 3] Generated Node #0,2,2: 80:[37, 3] Operation: 15/5=3 Exploring Operation: 37-15=22, Resulting Numbers: [5, 22] Generated Node #0,2,3: 80:[5, 22] Operation: 37-15=22 Exploring Operation: 15+5=20, Resulting Numbers: [37, 20] Generated Node #0,2,4: 80:[37, 20] Operation: 15+5=20 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 80:[5, 22], Operations: ['40-35=5', '37-15=22'] Exploring Operation: 5*22=110, Resulting Numbers: [110] 110,80 unequal: No Solution Exploring Operation: 5+22=27, Resulting Numbers: [27] 27,80 unequal: No Solution Exploring Operation: 22-5=17, Resulting Numbers: [17] 17,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 80:[37, 10], Operations: ['40-35=5', '15-5=10'] Exploring Operation: 37-10=27, Resulting Numbers: [27] 27,80 unequal: No Solution Exploring Operation: 37*10=370, Resulting Numbers: [370] 370,80 unequal: No Solution Exploring Operation: 37+10=47, Resulting Numbers: [47] 47,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 80:[15, 42], Operations: ['40-35=5', '37+5=42'] Exploring Operation: 42-15=27, Resulting Numbers: [27] 27,80 unequal: No Solution Exploring Operation: 15*42=630, Resulting Numbers: [630] 630,80 unequal: No Solution Exploring Operation: 15+42=57, Resulting Numbers: [57] 57,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 80:[37, 20], Operations: ['40-35=5', '15+5=20'] Exploring Operation: 37*20=740, Resulting Numbers: [740] 740,80 unequal: No Solution Exploring Operation: 37+20=57, Resulting Numbers: [57] 57,80 unequal: No Solution Exploring Operation: 37-20=17, Resulting Numbers: [17] 17,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 80:[37, 3], Operations: ['40-35=5', '15/5=3'] Exploring Operation: 37+3=40, Resulting Numbers: [40] 40,80 unequal: No Solution Exploring Operation: 37*3=111, Resulting Numbers: [111] 111,80 unequal: No Solution Exploring Operation: 37-3=34, Resulting Numbers: [34] 34,80 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: 80:[35, 15, 3], Operations: ['40-37=3'] Exploring Operation: 35+3=38, Resulting Numbers: [15, 38] Generated Node #0,1,0: 80:[15, 38] Operation: 35+3=38 Exploring Operation: 15-3=12, Resulting Numbers: [35, 12] Generated Node #0,1,1: 80:[35, 12] Operation: 15-3=12 Exploring Operation: 35-15=20, Resulting Numbers: [3, 20] Generated Node #0,1,2: 80:[3, 20] Operation: 35-15=20 Exploring Operation: 15+3=18, Resulting Numbers: [35, 18] Generated Node #0,1,3: 80:[35, 18] Operation: 15+3=18 Exploring Operation: 15/3=5, Resulting Numbers: [35, 5] Generated Node #0,1,4: 80:[35, 5] Operation: 15/3=5 Moving to Node #0,4 Current State: 80:[35, 40, 22], Operations: ['37-15=22'] Exploring Operation: 40-22=18, Resulting Numbers: [35, 18] Generated Node #0,4,0: 80:[35, 18] Operation: 40-22=18 Exploring Operation: 40-35=5, Resulting Numbers: [22, 5] Generated Node #0,4,1: 80:[22, 5] Operation: 40-35=5 Exploring Operation: 35+40=75, Resulting Numbers: [22, 75] Generated Node #0,4,2: 80:[22, 75] Operation: 35+40=75 Exploring Operation: 35+22=57, Resulting Numbers: [40, 57] Generated Node #0,4,3: 80:[40, 57] Operation: 35+22=57 Exploring Operation: 35-22=13, Resulting Numbers: [40, 13] Generated Node #0,4,4: 80:[40, 13] Operation: 35-22=13 Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 80:[22, 5], Operations: ['37-15=22', '40-35=5'] Exploring Operation: 22*5=110, Resulting Numbers: [110] 110,80 unequal: No Solution Exploring Operation: 22-5=17, Resulting Numbers: [17] 17,80 unequal: No Solution Exploring Operation: 22+5=27, Resulting Numbers: [27] 27,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 80:[40, 13], Operations: ['37-15=22', '35-22=13'] Exploring Operation: 40-13=27, Resulting Numbers: [27] 27,80 unequal: No Solution Exploring Operation: 40*13=520, Resulting Numbers: [520] 520,80 unequal: No Solution Exploring Operation: 40+13=53, Resulting Numbers: [53] 53,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 80:[35, 18], Operations: ['37-15=22', '40-22=18'] Exploring Operation: 35-18=17, Resulting Numbers: [17] 17,80 unequal: No Solution Exploring Operation: 35*18=630, Resulting Numbers: [630] 630,80 unequal: No Solution Exploring Operation: 35+18=53, Resulting Numbers: [53] 53,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 80:[22, 75], Operations: ['37-15=22', '35+40=75'] Exploring Operation: 22+75=97, Resulting Numbers: [97] 97,80 unequal: No Solution Exploring Operation: 22*75=1650, Resulting Numbers: [1650] 1650,80 unequal: No Solution Exploring Operation: 75-22=53, Resulting Numbers: [53] 53,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 80:[40, 57], Operations: ['37-15=22', '35+22=57'] Exploring Operation: 40*57=2280, Resulting Numbers: [2280] 2280,80 unequal: No Solution Exploring Operation: 40+57=97, Resulting Numbers: [97] 97,80 unequal: No Solution Exploring Operation: 57-40=17, Resulting Numbers: [17] 17,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3,2 Current State: 80:[40, 17], Operations: ['35-15=20', '37-20=17'] Exploring Operation: 40*17=680, Resulting Numbers: [680] 680,80 unequal: No Solution Exploring Operation: 40+17=57, Resulting Numbers: [57] 57,80 unequal: No Solution Exploring Operation: 40-17=23, Resulting Numbers: [23] 23,80 unequal: No Solution Moving to Node #0,1,2 Current State: 80:[3, 20], Operations: ['40-37=3', '35-15=20'] Exploring Operation: 3*20=60, Resulting Numbers: [60] 60,80 unequal: No Solution Exploring Operation: 20-3=17, Resulting Numbers: [17] 17,80 unequal: No Solution Exploring Operation: 3+20=23, Resulting Numbers: [23] 23,80 unequal: No Solution Moving to Node #0,3,3 Current State: 80:[20, 3], Operations: ['35-15=20', '40-37=3'] Exploring Operation: 20+3=23, Resulting Numbers: [23] 23,80 unequal: No Solution Exploring Operation: 20*3=60, Resulting Numbers: [60] 60,80 unequal: No Solution Exploring Operation: 20-3=17, Resulting Numbers: [17] 17,80 unequal: No Solution Moving to Node #0,1,0 Current State: 80:[15, 38], Operations: ['40-37=3', '35+3=38'] Exploring Operation: 15+38=53, Resulting Numbers: [53] 53,80 unequal: No Solution Exploring Operation: 15*38=570, Resulting Numbers: [570] 570,80 unequal: No Solution Exploring Operation: 38-15=23, Resulting Numbers: [23] 23,80 unequal: No Solution Moving to Node #0,3,0 Current State: 80:[20, 77], Operations: ['35-15=20', '37+40=77'] Exploring Operation: 20*77=1540, Resulting Numbers: [1540] 1540,80 unequal: No Solution Exploring Operation: 20+77=97, Resulting Numbers: [97] 97,80 unequal: No Solution Exploring Operation: 77-20=57, Resulting Numbers: [57] 57,80 unequal: No Solution Moving to Node #0,3,4 Current State: 80:[37, 2], Operations: ['35-15=20', '40/20=2'] Exploring Operation: 37+2=39, Resulting Numbers: [39] 39,80 unequal: No Solution Exploring Operation: 37-2=35, Resulting Numbers: [35] 35,80 unequal: No Solution Exploring Operation: 37*2=74, Resulting Numbers: [74] 74,80 unequal: No Solution Moving to Node #0,3,1 Current State: 80:[37, 20], Operations: ['35-15=20', '40-20=20'] Exploring Operation: 37*20=740, Resulting Numbers: [740] 740,80 unequal: No Solution Exploring Operation: 37-20=17, Resulting Numbers: [17] 17,80 unequal: No Solution Exploring Operation: 37+20=57, Resulting Numbers: [57] 57,80 unequal: No Solution Moving to Node #0,1,4 Current State: 80:[35, 5], Operations: ['40-37=3', '15/3=5'] Exploring Operation: 35/5=7, Resulting Numbers: [7] 7,80 unequal: No Solution Exploring Operation: 35-5=30, Resulting Numbers: [30] 30,80 unequal: No Solution Exploring Operation: 35*5=175, Resulting Numbers: [175] 175,80 unequal: No Solution Exploring Operation: 35+5=40, Resulting Numbers: [40] 40,80 unequal: No Solution Moving to Node #0,1,3 Current State: 80:[35, 18], Operations: ['40-37=3', '15+3=18'] Exploring Operation: 35+18=53, Resulting Numbers: [53] 53,80 unequal: No Solution Exploring Operation: 35-18=17, Resulting Numbers: [17] 17,80 unequal: No Solution Exploring Operation: 35*18=630, Resulting Numbers: [630] 630,80 unequal: No Solution Moving to Node #0,1,1 Current State: 80:[35, 12], Operations: ['40-37=3', '15-3=12'] Exploring Operation: 35*12=420, Resulting Numbers: [420] 420,80 unequal: No Solution Exploring Operation: 35-12=23, Resulting Numbers: [23] 23,80 unequal: No Solution Exploring Operation: 35+12=47, Resulting Numbers: [47] 47,80 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 22, 17, 96, 45 ]
12
[ "22+17=39", "96-45=51", "51-39=12" ]
Current State: 12:[22, 17, 96, 45], Operations: [] Exploring Operation: 22+17=39, Resulting Numbers: [96, 45, 39] Generated Node #2: [96, 45, 39] from Operation: 22+17=39 Current State: 12:[96, 45, 39], Operations: ['22+17=39'] Exploring Operation: 96-45=51, Resulting Numbers: [39, 51] Generated Node #3: [39, 51] from Operation: 96-45=51 Current State: 12:[39, 51], Operations: ['22+17=39', '96-45=51'] Exploring Operation: 51-39=12, Resulting Numbers: [12] 12,12 equal: Goal Reached
4
Current State: 12:[22, 17, 96, 45], Operations: [] Exploring Operation: 45-22=23, Resulting Numbers: [17, 96, 23] Generated Node #0,0: 12:[17, 96, 23] Operation: 45-22=23 Exploring Operation: 45-17=28, Resulting Numbers: [22, 96, 28] Generated Node #0,1: 12:[22, 96, 28] Operation: 45-17=28 Exploring Operation: 96-22=74, Resulting Numbers: [17, 45, 74] Generated Node #0,2: 12:[17, 45, 74] Operation: 96-22=74 Exploring Operation: 96-45=51, Resulting Numbers: [22, 17, 51] Generated Node #0,3: 12:[22, 17, 51] Operation: 96-45=51 Exploring Operation: 96-17=79, Resulting Numbers: [22, 45, 79] Generated Node #0,4: 12:[22, 45, 79] Operation: 96-17=79 Start Sub Search at level 1: Moving to Node #0,3 Current State: 12:[22, 17, 51], Operations: ['96-45=51'] Exploring Operation: 22-17=5, Resulting Numbers: [51, 5] Generated Node #0,3,0: 12:[51, 5] Operation: 22-17=5 Exploring Operation: 51/17=3, Resulting Numbers: [22, 3] Generated Node #0,3,1: 12:[22, 3] Operation: 51/17=3 Exploring Operation: 22+17=39, Resulting Numbers: [51, 39] Generated Node #0,3,2: 12:[51, 39] Operation: 22+17=39 Exploring Operation: 51-17=34, Resulting Numbers: [22, 34] Generated Node #0,3,3: 12:[22, 34] Operation: 51-17=34 Exploring Operation: 51-22=29, Resulting Numbers: [17, 29] Generated Node #0,3,4: 12:[17, 29] Operation: 51-22=29 Moving to Node #0,3,1 Current State: 12:[22, 3], Operations: ['96-45=51', '51/17=3'] Exploring Operation: 22*3=66, Resulting Numbers: [66] 66,12 unequal: No Solution Exploring Operation: 22+3=25, Resulting Numbers: [25] 25,12 unequal: No Solution Exploring Operation: 22-3=19, Resulting Numbers: [19] 19,12 unequal: No Solution Moving to Node #0,3,4 Current State: 12:[17, 29], Operations: ['96-45=51', '51-22=29'] Exploring Operation: 17*29=493, Resulting Numbers: [493] 493,12 unequal: No Solution Exploring Operation: 17+29=46, Resulting Numbers: [46] 46,12 unequal: No Solution Exploring Operation: 29-17=12, Resulting Numbers: [12] 12,12 equal: Goal Reached Moving to Node #0 Current State: 12:[22, 17, 96, 45], Operations: [] Exploring Operation: 96-45=51, Resulting Numbers: [22, 17, 51] Generated Node #0,3: 12:[22, 17, 51] Operation: 96-45=51 Moving to Node #0,3 Current State: 12:[22, 17, 51], Operations: ['96-45=51'] Exploring Operation: 51-22=29, Resulting Numbers: [17, 29] Generated Node #0,3,4: 12:[17, 29] Operation: 51-22=29 Moving to Node #0,3,4 Current State: 12:[17, 29], Operations: ['96-45=51', '51-22=29'] Exploring Operation: 29-17=12, Resulting Numbers: [12] 12,12 equal: Goal Reached Exit Sub Search at level 1
0.982639
hs_5
mult_heuristic
[ 95, 34, 55, 97 ]
23
[ "95+34=129", "55+97=152", "152-129=23" ]
Current State: 23:[95, 34, 55, 97], Operations: [] Exploring Operation: 95+34=129, Resulting Numbers: [55, 97, 129] Generated Node #2: [55, 97, 129] from Operation: 95+34=129 Current State: 23:[55, 97, 129], Operations: ['95+34=129'] Exploring Operation: 55+97=152, Resulting Numbers: [129, 152] Generated Node #3: [129, 152] from Operation: 55+97=152 Current State: 23:[129, 152], Operations: ['95+34=129', '55+97=152'] Exploring Operation: 152-129=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
4
Current State: 23:[95, 34, 55, 97], Operations: [] Exploring Operation: 97-95=2, Resulting Numbers: [34, 55, 2] Generated Node #0,0: 23:[34, 55, 2] Operation: 97-95=2 Moving to Node #0,0 Current State: 23:[34, 55, 2], Operations: ['97-95=2'] Exploring Operation: 55-34=21, Resulting Numbers: [2, 21] Generated Node #0,0,0: 23:[2, 21] Operation: 55-34=21 Moving to Node #0,0,0 Current State: 23:[2, 21], Operations: ['97-95=2', '55-34=21'] Exploring Operation: 2+21=23, Resulting Numbers: [23] 23,23 equal: Goal Reached Moving to Node #0 Current State: 23:[95, 34, 55, 97], Operations: [] Exploring Operation: 97-95=2, Resulting Numbers: [34, 55, 2] Generated Node #0,0: 23:[34, 55, 2] Operation: 97-95=2 Moving to Node #0,0 Current State: 23:[34, 55, 2], Operations: ['97-95=2'] Exploring Operation: 55-34=21, Resulting Numbers: [2, 21] Generated Node #0,0,0: 23:[2, 21] Operation: 55-34=21 Moving to Node #0,0,0 Current State: 23:[2, 21], Operations: ['97-95=2', '55-34=21'] Exploring Operation: 2+21=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
0.993924
hs_1
mult_heuristic
[ 45, 63, 72, 50 ]
86
[ "45+63=108", "72-50=22", "108-22=86" ]
Current State: 86:[45, 63, 72, 50], Operations: [] Exploring Operation: 45+63=108, Resulting Numbers: [72, 50, 108] Generated Node #2: [72, 50, 108] from Operation: 45+63=108 Current State: 86:[72, 50, 108], Operations: ['45+63=108'] Exploring Operation: 72-50=22, Resulting Numbers: [108, 22] Generated Node #3: [108, 22] from Operation: 72-50=22 Current State: 86:[108, 22], Operations: ['45+63=108', '72-50=22'] Exploring Operation: 108-22=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
4
Current State: 86:[45, 63, 72, 50], Operations: [] Exploring Operation: 63-50=13, Resulting Numbers: [45, 72, 13] Generated Node #0,0: 86:[45, 72, 13] Operation: 63-50=13 Exploring Operation: 63-45=18, Resulting Numbers: [72, 50, 18] Generated Node #0,1: 86:[72, 50, 18] Operation: 63-45=18 Exploring Operation: 72-63=9, Resulting Numbers: [45, 50, 9] Generated Node #0,2: 86:[45, 50, 9] Operation: 72-63=9 Moving to Node #0,2 Current State: 86:[45, 50, 9], Operations: ['72-63=9'] Exploring Operation: 45/9=5, Resulting Numbers: [50, 5] Generated Node #0,2,0: 86:[50, 5] Operation: 45/9=5 Exploring Operation: 50-45=5, Resulting Numbers: [9, 5] Generated Node #0,2,1: 86:[9, 5] Operation: 50-45=5 Exploring Operation: 50-9=41, Resulting Numbers: [45, 41] Generated Node #0,2,2: 86:[45, 41] Operation: 50-9=41 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 86:[45, 41], Operations: ['72-63=9', '50-9=41'] Exploring Operation: 45+41=86, Resulting Numbers: [86] 86,86 equal: Goal Reached Moving to Node #0 Current State: 86:[45, 63, 72, 50], Operations: [] Exploring Operation: 72-63=9, Resulting Numbers: [45, 50, 9] Generated Node #0,2: 86:[45, 50, 9] Operation: 72-63=9 Moving to Node #0,2 Current State: 86:[45, 50, 9], Operations: ['72-63=9'] Exploring Operation: 50-9=41, Resulting Numbers: [45, 41] Generated Node #0,2,2: 86:[45, 41] Operation: 50-9=41 Moving to Node #0,2,2 Current State: 86:[45, 41], Operations: ['72-63=9', '50-9=41'] Exploring Operation: 45+41=86, Resulting Numbers: [86] 86,86 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_3
sum_heuristic
[ 46, 7, 47, 15 ]
12
[ "46+47=93", "7*15=105", "105-93=12" ]
Current State: 12:[46, 7, 47, 15], Operations: [] Exploring Operation: 46+47=93, Resulting Numbers: [7, 15, 93] Generated Node #2: [7, 15, 93] from Operation: 46+47=93 Current State: 12:[7, 15, 93], Operations: ['46+47=93'] Exploring Operation: 7*15=105, Resulting Numbers: [93, 105] Generated Node #3: [93, 105] from Operation: 7*15=105 Current State: 12:[93, 105], Operations: ['46+47=93', '7*15=105'] Exploring Operation: 105-93=12, Resulting Numbers: [12] 12,12 equal: Goal Reached
4
Current State: 12:[46, 7, 47, 15], Operations: [] Exploring Operation: 47-46=1, Resulting Numbers: [7, 15, 1] Generated Node #0,0: 12:[7, 15, 1] Operation: 47-46=1 Exploring Operation: 46-15=31, Resulting Numbers: [7, 47, 31] Generated Node #0,1: 12:[7, 47, 31] Operation: 46-15=31 Moving to Node #0,0 Current State: 12:[7, 15, 1], Operations: ['47-46=1'] Exploring Operation: 15-7=8, Resulting Numbers: [1, 8] Generated Node #0,0,0: 12:[1, 8] Operation: 15-7=8 Exploring Operation: 7-1=6, Resulting Numbers: [15, 6] Generated Node #0,0,1: 12:[15, 6] Operation: 7-1=6 Moving to Node #0,1 Current State: 12:[7, 47, 31], Operations: ['46-15=31'] Exploring Operation: 47-7=40, Resulting Numbers: [31, 40] Generated Node #0,1,0: 12:[31, 40] Operation: 47-7=40 Exploring Operation: 47-31=16, Resulting Numbers: [7, 16] Generated Node #0,1,1: 12:[7, 16] Operation: 47-31=16 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 12:[7, 16], Operations: ['46-15=31', '47-31=16'] Exploring Operation: 7+16=23, Resulting Numbers: [23] 23,12 unequal: No Solution Exploring Operation: 16-7=9, Resulting Numbers: [9] 9,12 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 12:[31, 40], Operations: ['46-15=31', '47-7=40'] Exploring Operation: 40-31=9, Resulting Numbers: [9] 9,12 unequal: No Solution Exploring Operation: 31+40=71, Resulting Numbers: [71] 71,12 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: 12:[1, 8], Operations: ['47-46=1', '15-7=8'] Exploring Operation: 8-1=7, Resulting Numbers: [7] 7,12 unequal: No Solution Exploring Operation: 1*8=8, Resulting Numbers: [8] 8,12 unequal: No Solution Moving to Node #0,0,1 Current State: 12:[15, 6], Operations: ['47-46=1', '7-1=6'] Exploring Operation: 15+6=21, Resulting Numbers: [21] 21,12 unequal: No Solution Exploring Operation: 15-6=9, Resulting Numbers: [9] 9,12 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 17, 22, 2, 19 ]
22
[ "17+22=39", "19-2=17", "39-17=22" ]
Current State: 22:[17, 22, 2, 19], Operations: [] Exploring Operation: 17+22=39, Resulting Numbers: [2, 19, 39] Generated Node #2: [2, 19, 39] from Operation: 17+22=39 Current State: 22:[2, 19, 39], Operations: ['17+22=39'] Exploring Operation: 19-2=17, Resulting Numbers: [39, 17] Generated Node #3: [39, 17] from Operation: 19-2=17 Current State: 22:[39, 17], Operations: ['17+22=39', '19-2=17'] Exploring Operation: 39-17=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
4
Current State: 22:[17, 22, 2, 19], Operations: [] Exploring Operation: 19-17=2, Resulting Numbers: [22, 2, 2] Generated Node #0,0: 22:[22, 2, 2] Operation: 19-17=2 Moving to Node #0,0 Current State: 22:[22, 2, 2], Operations: ['19-17=2'] Exploring Operation: 22/2=11, Resulting Numbers: [2, 11] Generated Node #0,0,0: 22:[2, 11] Operation: 22/2=11 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 22:[2, 11], Operations: ['19-17=2', '22/2=11'] Exploring Operation: 2*11=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Moving to Node #0 Current State: 22:[17, 22, 2, 19], Operations: [] Exploring Operation: 19-17=2, Resulting Numbers: [22, 2, 2] Generated Node #0,0: 22:[22, 2, 2] Operation: 19-17=2 Moving to Node #0,0 Current State: 22:[22, 2, 2], Operations: ['19-17=2'] Exploring Operation: 22/2=11, Resulting Numbers: [2, 11] Generated Node #0,0,0: 22:[2, 11] Operation: 22/2=11 Moving to Node #0,0,0 Current State: 22:[2, 11], Operations: ['19-17=2', '22/2=11'] Exploring Operation: 2*11=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 27, 65, 81, 82 ]
14
[ "81/27=3", "82-65=17", "17-3=14" ]
Current State: 14:[27, 65, 81, 82], Operations: [] Exploring Operation: 81/27=3, Resulting Numbers: [65, 82, 3] Generated Node #2: [65, 82, 3] from Operation: 81/27=3 Current State: 14:[65, 82, 3], Operations: ['81/27=3'] Exploring Operation: 82-65=17, Resulting Numbers: [3, 17] Generated Node #3: [3, 17] from Operation: 82-65=17 Current State: 14:[3, 17], Operations: ['81/27=3', '82-65=17'] Exploring Operation: 17-3=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
4
Current State: 14:[27, 65, 81, 82], Operations: [] Exploring Operation: 81-65=16, Resulting Numbers: [27, 82, 16] Generated Node #0,0: 14:[27, 82, 16] Operation: 81-65=16 Exploring Operation: 82-65=17, Resulting Numbers: [27, 81, 17] Generated Node #0,1: 14:[27, 81, 17] Operation: 82-65=17 Exploring Operation: 81/27=3, Resulting Numbers: [65, 82, 3] Generated Node #0,2: 14:[65, 82, 3] Operation: 81/27=3 Exploring Operation: 82-81=1, Resulting Numbers: [27, 65, 1] Generated Node #0,3: 14:[27, 65, 1] Operation: 82-81=1 Moving to Node #0,3 Current State: 14:[27, 65, 1], Operations: ['82-81=1'] Exploring Operation: 27*1=27, Resulting Numbers: [65, 27] Generated Node #0,3,0: 14:[65, 27] Operation: 27*1=27 Exploring Operation: 27-1=26, Resulting Numbers: [65, 26] Generated Node #0,3,1: 14:[65, 26] Operation: 27-1=26 Exploring Operation: 65-1=64, Resulting Numbers: [27, 64] Generated Node #0,3,2: 14:[27, 64] Operation: 65-1=64 Exploring Operation: 65-27=38, Resulting Numbers: [1, 38] Generated Node #0,3,3: 14:[1, 38] Operation: 65-27=38 Moving to Node #0,1 Current State: 14:[27, 81, 17], Operations: ['82-65=17'] Exploring Operation: 81/27=3, Resulting Numbers: [17, 3] Generated Node #0,1,0: 14:[17, 3] Operation: 81/27=3 Exploring Operation: 27-17=10, Resulting Numbers: [81, 10] Generated Node #0,1,1: 14:[81, 10] Operation: 27-17=10 Exploring Operation: 81-27=54, Resulting Numbers: [17, 54] Generated Node #0,1,2: 14:[17, 54] Operation: 81-27=54 Exploring Operation: 81-17=64, Resulting Numbers: [27, 64] Generated Node #0,1,3: 14:[27, 64] Operation: 81-17=64 Moving to Node #0,0 Current State: 14:[27, 82, 16], Operations: ['81-65=16'] Exploring Operation: 82-16=66, Resulting Numbers: [27, 66] Generated Node #0,0,0: 14:[27, 66] Operation: 82-16=66 Exploring Operation: 27-16=11, Resulting Numbers: [82, 11] Generated Node #0,0,1: 14:[82, 11] Operation: 27-16=11 Exploring Operation: 27+82=109, Resulting Numbers: [16, 109] Generated Node #0,0,2: 14:[16, 109] Operation: 27+82=109 Exploring Operation: 82-27=55, Resulting Numbers: [16, 55] Generated Node #0,0,3: 14:[16, 55] Operation: 82-27=55 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 14:[16, 55], Operations: ['81-65=16', '82-27=55'] Exploring Operation: 55-16=39, Resulting Numbers: [39] 39,14 unequal: No Solution Exploring Operation: 16+55=71, Resulting Numbers: [71] 71,14 unequal: No Solution Exploring Operation: 16*55=880, Resulting Numbers: [880] 880,14 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 14:[27, 66], Operations: ['81-65=16', '82-16=66'] Exploring Operation: 27+66=93, Resulting Numbers: [93] 93,14 unequal: No Solution Exploring Operation: 66-27=39, Resulting Numbers: [39] 39,14 unequal: No Solution Exploring Operation: 27*66=1782, Resulting Numbers: [1782] 1782,14 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 14:[82, 11], Operations: ['81-65=16', '27-16=11'] Exploring Operation: 82-11=71, Resulting Numbers: [71] 71,14 unequal: No Solution Exploring Operation: 82*11=902, Resulting Numbers: [902] 902,14 unequal: No Solution Exploring Operation: 82+11=93, Resulting Numbers: [93] 93,14 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 14:[16, 109], Operations: ['81-65=16', '27+82=109'] Exploring Operation: 109-16=93, Resulting Numbers: [93] 93,14 unequal: No Solution Exploring Operation: 16+109=125, Resulting Numbers: [125] 125,14 unequal: No Solution Exploring Operation: 16*109=1744, Resulting Numbers: [1744] 1744,14 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 14:[65, 82, 3], Operations: ['81/27=3'] Exploring Operation: 82-3=79, Resulting Numbers: [65, 79] Generated Node #0,2,0: 14:[65, 79] Operation: 82-3=79 Exploring Operation: 65+3=68, Resulting Numbers: [82, 68] Generated Node #0,2,1: 14:[82, 68] Operation: 65+3=68 Exploring Operation: 82-65=17, Resulting Numbers: [3, 17] Generated Node #0,2,2: 14:[3, 17] Operation: 82-65=17 Exploring Operation: 65-3=62, Resulting Numbers: [82, 62] Generated Node #0,2,3: 14:[82, 62] Operation: 65-3=62 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 14:[3, 17], Operations: ['81/27=3', '82-65=17'] Exploring Operation: 3+17=20, Resulting Numbers: [20] 20,14 unequal: No Solution Exploring Operation: 17-3=14, Resulting Numbers: [14] 14,14 equal: Goal Reached Moving to Node #0 Current State: 14:[27, 65, 81, 82], Operations: [] Exploring Operation: 81/27=3, Resulting Numbers: [65, 82, 3] Generated Node #0,2: 14:[65, 82, 3] Operation: 81/27=3 Moving to Node #0,2 Current State: 14:[65, 82, 3], Operations: ['81/27=3'] Exploring Operation: 82-65=17, Resulting Numbers: [3, 17] Generated Node #0,2,2: 14:[3, 17] Operation: 82-65=17 Moving to Node #0,2,2 Current State: 14:[3, 17], Operations: ['81/27=3', '82-65=17'] Exploring Operation: 17-3=14, Resulting Numbers: [14] 14,14 equal: Goal Reached Exit Sub Search at level 1
0.967014
hs_4
mult_heuristic
[ 12, 64, 66, 72 ]
46
[ "64-12=52", "72-66=6", "52-6=46" ]
Current State: 46:[12, 64, 66, 72], Operations: [] Exploring Operation: 64-12=52, Resulting Numbers: [66, 72, 52] Generated Node #2: [66, 72, 52] from Operation: 64-12=52 Current State: 46:[66, 72, 52], Operations: ['64-12=52'] Exploring Operation: 72-66=6, Resulting Numbers: [52, 6] Generated Node #3: [52, 6] from Operation: 72-66=6 Current State: 46:[52, 6], Operations: ['64-12=52', '72-66=6'] Exploring Operation: 52-6=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
4
Current State: 46:[12, 64, 66, 72], Operations: [] Exploring Operation: 72-66=6, Resulting Numbers: [12, 64, 6] Generated Node #0,0: 46:[12, 64, 6] Operation: 72-66=6 Exploring Operation: 72-64=8, Resulting Numbers: [12, 66, 8] Generated Node #0,1: 46:[12, 66, 8] Operation: 72-64=8 Exploring Operation: 66-64=2, Resulting Numbers: [12, 72, 2] Generated Node #0,2: 46:[12, 72, 2] Operation: 66-64=2 Start Sub Search at level 1: Moving to Node #0,0 Current State: 46:[12, 64, 6], Operations: ['72-66=6'] Exploring Operation: 12-6=6, Resulting Numbers: [64, 6] Generated Node #0,0,0: 46:[64, 6] Operation: 12-6=6 Exploring Operation: 64-12=52, Resulting Numbers: [6, 52] Generated Node #0,0,1: 46:[6, 52] Operation: 64-12=52 Exploring Operation: 12/6=2, Resulting Numbers: [64, 2] Generated Node #0,0,2: 46:[64, 2] Operation: 12/6=2 Moving to Node #0,0,1 Current State: 46:[6, 52], Operations: ['72-66=6', '64-12=52'] Exploring Operation: 6+52=58, Resulting Numbers: [58] 58,46 unequal: No Solution Exploring Operation: 6*52=312, Resulting Numbers: [312] 312,46 unequal: No Solution Exploring Operation: 52-6=46, Resulting Numbers: [46] 46,46 equal: Goal Reached Moving to Node #0 Current State: 46:[12, 64, 66, 72], Operations: [] Exploring Operation: 72-66=6, Resulting Numbers: [12, 64, 6] Generated Node #0,0: 46:[12, 64, 6] Operation: 72-66=6 Moving to Node #0,0 Current State: 46:[12, 64, 6], Operations: ['72-66=6'] Exploring Operation: 64-12=52, Resulting Numbers: [6, 52] Generated Node #0,0,1: 46:[6, 52] Operation: 64-12=52 Moving to Node #0,0,1 Current State: 46:[6, 52], Operations: ['72-66=6', '64-12=52'] Exploring Operation: 52-6=46, Resulting Numbers: [46] 46,46 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_3
mult_heuristic
[ 69, 2, 48, 80 ]
39
[ "69+2=71", "80-48=32", "71-32=39" ]
Current State: 39:[69, 2, 48, 80], Operations: [] Exploring Operation: 69+2=71, Resulting Numbers: [48, 80, 71] Generated Node #2: [48, 80, 71] from Operation: 69+2=71 Current State: 39:[48, 80, 71], Operations: ['69+2=71'] Exploring Operation: 80-48=32, Resulting Numbers: [71, 32] Generated Node #3: [71, 32] from Operation: 80-48=32 Current State: 39:[71, 32], Operations: ['69+2=71', '80-48=32'] Exploring Operation: 71-32=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
4
Current State: 39:[69, 2, 48, 80], Operations: [] Exploring Operation: 80/2=40, Resulting Numbers: [69, 48, 40] Generated Node #0,0: 39:[69, 48, 40] Operation: 80/2=40 Exploring Operation: 80-69=11, Resulting Numbers: [2, 48, 11] Generated Node #0,1: 39:[2, 48, 11] Operation: 80-69=11 Exploring Operation: 80-48=32, Resulting Numbers: [69, 2, 32] Generated Node #0,2: 39:[69, 2, 32] Operation: 80-48=32 Moving to Node #0,1 Current State: 39:[2, 48, 11], Operations: ['80-69=11'] Exploring Operation: 2+11=13, Resulting Numbers: [48, 13] Generated Node #0,1,0: 39:[48, 13] Operation: 2+11=13 Exploring Operation: 48-2=46, Resulting Numbers: [11, 46] Generated Node #0,1,1: 39:[11, 46] Operation: 48-2=46 Exploring Operation: 48-11=37, Resulting Numbers: [2, 37] Generated Node #0,1,2: 39:[2, 37] Operation: 48-11=37 Moving to Node #0,2 Current State: 39:[69, 2, 32], Operations: ['80-48=32'] Exploring Operation: 69-32=37, Resulting Numbers: [2, 37] Generated Node #0,2,0: 39:[2, 37] Operation: 69-32=37 Exploring Operation: 69-2=67, Resulting Numbers: [32, 67] Generated Node #0,2,1: 39:[32, 67] Operation: 69-2=67 Exploring Operation: 32/2=16, Resulting Numbers: [69, 16] Generated Node #0,2,2: 39:[69, 16] Operation: 32/2=16 Moving to Node #0,0 Current State: 39:[69, 48, 40], Operations: ['80/2=40'] Exploring Operation: 48-40=8, Resulting Numbers: [69, 8] Generated Node #0,0,0: 39:[69, 8] Operation: 48-40=8 Exploring Operation: 69-48=21, Resulting Numbers: [40, 21] Generated Node #0,0,1: 39:[40, 21] Operation: 69-48=21 Exploring Operation: 69-40=29, Resulting Numbers: [48, 29] Generated Node #0,0,2: 39:[48, 29] Operation: 69-40=29 Moving to Node #0,1,2 Current State: 39:[2, 37], Operations: ['80-69=11', '48-11=37'] Exploring Operation: 2*37=74, Resulting Numbers: [74] 74,39 unequal: No Solution Exploring Operation: 2+37=39, Resulting Numbers: [39] 39,39 equal: Goal Reached Moving to Node #0 Current State: 39:[69, 2, 48, 80], Operations: [] Exploring Operation: 80-69=11, Resulting Numbers: [2, 48, 11] Generated Node #0,1: 39:[2, 48, 11] Operation: 80-69=11 Moving to Node #0,1 Current State: 39:[2, 48, 11], Operations: ['80-69=11'] Exploring Operation: 48-11=37, Resulting Numbers: [2, 37] Generated Node #0,1,2: 39:[2, 37] Operation: 48-11=37 Moving to Node #0,1,2 Current State: 39:[2, 37], Operations: ['80-69=11', '48-11=37'] Exploring Operation: 2+37=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
0.984375
hs_3
mult_heuristic
[ 31, 71, 31, 51 ]
20
[ "31+71=102", "31+51=82", "102-82=20" ]
Current State: 20:[31, 71, 31, 51], Operations: [] Exploring Operation: 31+71=102, Resulting Numbers: [51, 102] Generated Node #2: [51, 102] from Operation: 31+71=102 Current State: 20:[51, 102], Operations: ['31+71=102'] Exploring Operation: 31+51=82, Resulting Numbers: [102, 82] Generated Node #3: [102, 82] from Operation: 31+51=82 Current State: 20:[102, 82], Operations: ['31+71=102', '31+51=82'] Exploring Operation: 102-82=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[31, 71, 31, 51], Operations: [] Exploring Operation: 71-51=20, Resulting Numbers: [31, 31, 20] Generated Node #0,0: 20:[31, 31, 20] Operation: 71-51=20 Exploring Operation: 51-31=20, Resulting Numbers: [71, 31, 20] Generated Node #0,1: 20:[71, 31, 20] Operation: 51-31=20 Exploring Operation: 71-31=40, Resulting Numbers: [31, 51, 40] Generated Node #0,2: 20:[31, 51, 40] Operation: 71-31=40 Moving to Node #0,0 Current State: 20:[31, 31, 20], Operations: ['71-51=20'] Exploring Operation: 31-20=11, Resulting Numbers: [31, 11] Generated Node #0,0,0: 20:[31, 11] Operation: 31-20=11 Exploring Operation: 31-31=0, Resulting Numbers: [20, 0] Generated Node #0,0,1: 20:[20, 0] Operation: 31-31=0 Exploring Operation: 31/31=1, Resulting Numbers: [20, 1] Generated Node #0,0,2: 20:[20, 1] Operation: 31/31=1 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 20:[20, 1], Operations: ['71-51=20', '31/31=1'] Exploring Operation: 20+1=21, Resulting Numbers: [21] 21,20 unequal: No Solution Exploring Operation: 20*1=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Moving to Node #0 Current State: 20:[31, 71, 31, 51], Operations: [] Exploring Operation: 71-51=20, Resulting Numbers: [31, 31, 20] Generated Node #0,0: 20:[31, 31, 20] Operation: 71-51=20 Moving to Node #0,0 Current State: 20:[31, 31, 20], Operations: ['71-51=20'] Exploring Operation: 31/31=1, Resulting Numbers: [20, 1] Generated Node #0,0,2: 20:[20, 1] Operation: 31/31=1 Moving to Node #0,0,2 Current State: 20:[20, 1], Operations: ['71-51=20', '31/31=1'] Exploring Operation: 20*1=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Exit Sub Search at level 1
0.989583
hs_3
mult_heuristic
[ 15, 46, 10, 6 ]
90
[ "46-10=36", "15*36=540", "540/6=90" ]
Current State: 90:[15, 46, 10, 6], Operations: [] Exploring Operation: 46-10=36, Resulting Numbers: [15, 6, 36] Generated Node #2: [15, 6, 36] from Operation: 46-10=36 Current State: 90:[15, 6, 36], Operations: ['46-10=36'] Exploring Operation: 15*36=540, Resulting Numbers: [6, 540] Generated Node #3: [6, 540] from Operation: 15*36=540 Current State: 90:[6, 540], Operations: ['46-10=36', '15*36=540'] Exploring Operation: 540/6=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
4
Current State: 90:[15, 46, 10, 6], Operations: [] Exploring Operation: 15-10=5, Resulting Numbers: [46, 6, 5] Generated Node #0,0: 90:[46, 6, 5] Operation: 15-10=5 Exploring Operation: 15*6=90, Resulting Numbers: [46, 10, 90] Generated Node #0,1: 90:[46, 10, 90] Operation: 15*6=90 Exploring Operation: 46-15=31, Resulting Numbers: [10, 6, 31] Generated Node #0,2: 90:[10, 6, 31] Operation: 46-15=31 Exploring Operation: 10+6=16, Resulting Numbers: [15, 46, 16] Generated Node #0,3: 90:[15, 46, 16] Operation: 10+6=16 Exploring Operation: 15-6=9, Resulting Numbers: [46, 10, 9] Generated Node #0,4: 90:[46, 10, 9] Operation: 15-6=9 Start Sub Search at level 1: Moving to Node #0,0 Current State: 90:[46, 6, 5], Operations: ['15-10=5'] Exploring Operation: 46-5=41, Resulting Numbers: [6, 41] Generated Node #0,0,0: 90:[6, 41] Operation: 46-5=41 Exploring Operation: 6-5=1, Resulting Numbers: [46, 1] Generated Node #0,0,1: 90:[46, 1] Operation: 6-5=1 Exploring Operation: 46-6=40, Resulting Numbers: [5, 40] Generated Node #0,0,2: 90:[5, 40] Operation: 46-6=40 Exploring Operation: 6*5=30, Resulting Numbers: [46, 30] Generated Node #0,0,3: 90:[46, 30] Operation: 6*5=30 Exploring Operation: 6+5=11, Resulting Numbers: [46, 11] Generated Node #0,0,4: 90:[46, 11] Operation: 6+5=11 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 90:[46, 30], Operations: ['15-10=5', '6*5=30'] Exploring Operation: 46-30=16, Resulting Numbers: [16] 16,90 unequal: No Solution Exploring Operation: 46+30=76, Resulting Numbers: [76] 76,90 unequal: No Solution Exploring Operation: 46*30=1380, Resulting Numbers: [1380] 1380,90 unequal: No Solution No 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: 90:[46, 1], Operations: ['15-10=5', '6-5=1'] Exploring Operation: 46-1=45, Resulting Numbers: [45] 45,90 unequal: No Solution Exploring Operation: 46*1=46, Resulting Numbers: [46] 46,90 unequal: No Solution Exploring Operation: 46+1=47, Resulting Numbers: [47] 47,90 unequal: No Solution Exploring Operation: 46/1=46, Resulting Numbers: [46] 46,90 unequal: No Solution No 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: 90:[46, 11], Operations: ['15-10=5', '6+5=11'] Exploring Operation: 46-11=35, Resulting Numbers: [35] 35,90 unequal: No Solution Exploring Operation: 46*11=506, Resulting Numbers: [506] 506,90 unequal: No Solution Exploring Operation: 46+11=57, Resulting Numbers: [57] 57,90 unequal: No Solution No 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: 90:[6, 41], Operations: ['15-10=5', '46-5=41'] Exploring Operation: 41-6=35, Resulting Numbers: [35] 35,90 unequal: No Solution Exploring Operation: 6*41=246, Resulting Numbers: [246] 246,90 unequal: No Solution Exploring Operation: 6+41=47, Resulting Numbers: [47] 47,90 unequal: No Solution No 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: 90:[5, 40], Operations: ['15-10=5', '46-6=40'] Exploring Operation: 5+40=45, Resulting Numbers: [45] 45,90 unequal: No Solution Exploring Operation: 40/5=8, Resulting Numbers: [8] 8,90 unequal: No Solution Exploring Operation: 5*40=200, Resulting Numbers: [200] 200,90 unequal: No Solution Exploring Operation: 40-5=35, Resulting Numbers: [35] 35,90 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: 90:[46, 10, 90], Operations: ['15*6=90'] Exploring Operation: 46-10=36, Resulting Numbers: [90, 36] Generated Node #0,1,0: 90:[90, 36] Operation: 46-10=36 Exploring Operation: 46+10=56, Resulting Numbers: [90, 56] Generated Node #0,1,1: 90:[90, 56] Operation: 46+10=56 Exploring Operation: 90-46=44, Resulting Numbers: [10, 44] Generated Node #0,1,2: 90:[10, 44] Operation: 90-46=44 Exploring Operation: 10+90=100, Resulting Numbers: [46, 100] Generated Node #0,1,3: 90:[46, 100] Operation: 10+90=100 Exploring Operation: 90/10=9, Resulting Numbers: [46, 9] Generated Node #0,1,4: 90:[46, 9] Operation: 90/10=9 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 90:[10, 44], Operations: ['15*6=90', '90-46=44'] Exploring Operation: 44-10=34, Resulting Numbers: [34] 34,90 unequal: No Solution Exploring Operation: 10+44=54, Resulting Numbers: [54] 54,90 unequal: No Solution Exploring Operation: 10*44=440, Resulting Numbers: [440] 440,90 unequal: No Solution No 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: 90:[46, 9], Operations: ['15*6=90', '90/10=9'] Exploring Operation: 46-9=37, Resulting Numbers: [37] 37,90 unequal: No Solution Exploring Operation: 46*9=414, Resulting Numbers: [414] 414,90 unequal: No Solution Exploring Operation: 46+9=55, Resulting Numbers: [55] 55,90 unequal: No Solution No 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: 90:[90, 36], Operations: ['15*6=90', '46-10=36'] Exploring Operation: 90*36=3240, Resulting Numbers: [3240] 3240,90 unequal: No Solution Exploring Operation: 90+36=126, Resulting Numbers: [126] 126,90 unequal: No Solution Exploring Operation: 90-36=54, Resulting Numbers: [54] 54,90 unequal: No Solution No 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: 90:[90, 56], Operations: ['15*6=90', '46+10=56'] Exploring Operation: 90+56=146, Resulting Numbers: [146] 146,90 unequal: No Solution Exploring Operation: 90-56=34, Resulting Numbers: [34] 34,90 unequal: No Solution Exploring Operation: 90*56=5040, Resulting Numbers: [5040] 5040,90 unequal: No Solution No 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: 90:[46, 100], Operations: ['15*6=90', '10+90=100'] Exploring Operation: 46*100=4600, Resulting Numbers: [4600] 4600,90 unequal: No Solution Exploring Operation: 46+100=146, Resulting Numbers: [146] 146,90 unequal: No Solution Exploring Operation: 100-46=54, Resulting Numbers: [54] 54,90 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: 90:[10, 6, 31], Operations: ['46-15=31'] Exploring Operation: 31-6=25, Resulting Numbers: [10, 25] Generated Node #0,2,0: 90:[10, 25] Operation: 31-6=25 Exploring Operation: 31-10=21, Resulting Numbers: [6, 21] Generated Node #0,2,1: 90:[6, 21] Operation: 31-10=21 Exploring Operation: 10-6=4, Resulting Numbers: [31, 4] Generated Node #0,2,2: 90:[31, 4] Operation: 10-6=4 Exploring Operation: 10+6=16, Resulting Numbers: [31, 16] Generated Node #0,2,3: 90:[31, 16] Operation: 10+6=16 Exploring Operation: 10+31=41, Resulting Numbers: [6, 41] Generated Node #0,2,4: 90:[6, 41] Operation: 10+31=41 Moving to Node #0,2,2 Current State: 90:[31, 4], Operations: ['46-15=31', '10-6=4'] Exploring Operation: 31*4=124, Resulting Numbers: [124] 124,90 unequal: No Solution Exploring Operation: 31-4=27, Resulting Numbers: [27] 27,90 unequal: No Solution Exploring Operation: 31+4=35, Resulting Numbers: [35] 35,90 unequal: No Solution Moving to Node #0,2,3 Current State: 90:[31, 16], Operations: ['46-15=31', '10+6=16'] Exploring Operation: 31+16=47, Resulting Numbers: [47] 47,90 unequal: No Solution Exploring Operation: 31-16=15, Resulting Numbers: [15] 15,90 unequal: No Solution Exploring Operation: 31*16=496, Resulting Numbers: [496] 496,90 unequal: No Solution Moving to Node #0,2,1 Current State: 90:[6, 21], Operations: ['46-15=31', '31-10=21'] Exploring Operation: 6*21=126, Resulting Numbers: [126] 126,90 unequal: No Solution Exploring Operation: 21-6=15, Resulting Numbers: [15] 15,90 unequal: No Solution Exploring Operation: 6+21=27, Resulting Numbers: [27] 27,90 unequal: No Solution Moving to Node #0,2,4 Current State: 90:[6, 41], Operations: ['46-15=31', '10+31=41'] Exploring Operation: 6+41=47, Resulting Numbers: [47] 47,90 unequal: No Solution Exploring Operation: 6*41=246, Resulting Numbers: [246] 246,90 unequal: No Solution Exploring Operation: 41-6=35, Resulting Numbers: [35] 35,90 unequal: No Solution Moving to Node #0,2,0 Current State: 90:[10, 25], Operations: ['46-15=31', '31-6=25'] Exploring Operation: 25-10=15, Resulting Numbers: [15] 15,90 unequal: No Solution Exploring Operation: 10+25=35, Resulting Numbers: [35] 35,90 unequal: No Solution Exploring Operation: 10*25=250, Resulting Numbers: [250] 250,90 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 #0,4 Current State: 90:[46, 10, 9], Operations: ['15-6=9'] Exploring Operation: 10+9=19, Resulting Numbers: [46, 19] Generated Node #0,4,0: 90:[46, 19] Operation: 10+9=19 Exploring Operation: 46-9=37, Resulting Numbers: [10, 37] Generated Node #0,4,1: 90:[10, 37] Operation: 46-9=37 Exploring Operation: 46-10=36, Resulting Numbers: [9, 36] Generated Node #0,4,2: 90:[9, 36] Operation: 46-10=36 Exploring Operation: 10*9=90, Resulting Numbers: [46, 90] Generated Node #0,4,3: 90:[46, 90] Operation: 10*9=90 Exploring Operation: 10-9=1, Resulting Numbers: [46, 1] Generated Node #0,4,4: 90:[46, 1] Operation: 10-9=1 Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 90:[46, 90], Operations: ['15-6=9', '10*9=90'] Exploring Operation: 46+90=136, Resulting Numbers: [136] 136,90 unequal: No Solution Exploring Operation: 46*90=4140, Resulting Numbers: [4140] 4140,90 unequal: No Solution Exploring Operation: 90-46=44, Resulting Numbers: [44] 44,90 unequal: No Solution No 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: 90:[46, 19], Operations: ['15-6=9', '10+9=19'] Exploring Operation: 46-19=27, Resulting Numbers: [27] 27,90 unequal: No Solution Exploring Operation: 46+19=65, Resulting Numbers: [65] 65,90 unequal: No Solution Exploring Operation: 46*19=874, Resulting Numbers: [874] 874,90 unequal: No Solution No 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: 90:[46, 1], Operations: ['15-6=9', '10-9=1'] Exploring Operation: 46/1=46, Resulting Numbers: [46] 46,90 unequal: No Solution Exploring Operation: 46+1=47, Resulting Numbers: [47] 47,90 unequal: No Solution Exploring Operation: 46*1=46, Resulting Numbers: [46] 46,90 unequal: No Solution Exploring Operation: 46-1=45, Resulting Numbers: [45] 45,90 unequal: No Solution No 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: 90:[9, 36], Operations: ['15-6=9', '46-10=36'] Exploring Operation: 36/9=4, Resulting Numbers: [4] 4,90 unequal: No Solution Exploring Operation: 9+36=45, Resulting Numbers: [45] 45,90 unequal: No Solution Exploring Operation: 36-9=27, Resulting Numbers: [27] 27,90 unequal: No Solution Exploring Operation: 9*36=324, Resulting Numbers: [324] 324,90 unequal: No Solution No 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: 90:[10, 37], Operations: ['15-6=9', '46-9=37'] Exploring Operation: 10*37=370, Resulting Numbers: [370] 370,90 unequal: No Solution Exploring Operation: 10+37=47, Resulting Numbers: [47] 47,90 unequal: No Solution Exploring Operation: 37-10=27, Resulting Numbers: [27] 27,90 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: 90:[15, 46, 16], Operations: ['10+6=16'] Exploring Operation: 16-15=1, Resulting Numbers: [46, 1] Generated Node #0,3,0: 90:[46, 1] Operation: 16-15=1 Exploring Operation: 15+46=61, Resulting Numbers: [16, 61] Generated Node #0,3,1: 90:[16, 61] Operation: 15+46=61 Exploring Operation: 46-16=30, Resulting Numbers: [15, 30] Generated Node #0,3,2: 90:[15, 30] Operation: 46-16=30 Exploring Operation: 15+16=31, Resulting Numbers: [46, 31] Generated Node #0,3,3: 90:[46, 31] Operation: 15+16=31 Exploring Operation: 46-15=31, Resulting Numbers: [16, 31] Generated Node #0,3,4: 90:[16, 31] Operation: 46-15=31 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 90:[15, 30], Operations: ['10+6=16', '46-16=30'] Exploring Operation: 30-15=15, Resulting Numbers: [15] 15,90 unequal: No Solution Exploring Operation: 15*30=450, Resulting Numbers: [450] 450,90 unequal: No Solution Exploring Operation: 30/15=2, Resulting Numbers: [2] 2,90 unequal: No Solution Exploring Operation: 15+30=45, Resulting Numbers: [45] 45,90 unequal: No Solution No 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: 90:[46, 1], Operations: ['10+6=16', '16-15=1'] Exploring Operation: 46*1=46, Resulting Numbers: [46] 46,90 unequal: No Solution Exploring Operation: 46/1=46, Resulting Numbers: [46] 46,90 unequal: No Solution Exploring Operation: 46+1=47, Resulting Numbers: [47] 47,90 unequal: No Solution Exploring Operation: 46-1=45, Resulting Numbers: [45] 45,90 unequal: No Solution No 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: 90:[46, 31], Operations: ['10+6=16', '15+16=31'] Exploring Operation: 46*31=1426, Resulting Numbers: [1426] 1426,90 unequal: No Solution Exploring Operation: 46+31=77, Resulting Numbers: [77] 77,90 unequal: No Solution Exploring Operation: 46-31=15, Resulting Numbers: [15] 15,90 unequal: No Solution No 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: 90:[16, 31], Operations: ['10+6=16', '46-15=31'] Exploring Operation: 16+31=47, Resulting Numbers: [47] 47,90 unequal: No Solution Exploring Operation: 31-16=15, Resulting Numbers: [15] 15,90 unequal: No Solution Exploring Operation: 16*31=496, Resulting Numbers: [496] 496,90 unequal: No Solution No 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: 90:[16, 61], Operations: ['10+6=16', '15+46=61'] Exploring Operation: 16+61=77, Resulting Numbers: [77] 77,90 unequal: No Solution Exploring Operation: 16*61=976, Resulting Numbers: [976] 976,90 unequal: No Solution Exploring Operation: 61-16=45, Resulting Numbers: [45] 45,90 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
[ 47, 27, 57, 50 ]
46
[ "50-47=3", "57/3=19", "27+19=46" ]
Current State: 46:[47, 27, 57, 50], Operations: [] Exploring Operation: 50-47=3, Resulting Numbers: [27, 57, 3] Generated Node #2: [27, 57, 3] from Operation: 50-47=3 Current State: 46:[27, 57, 3], Operations: ['50-47=3'] Exploring Operation: 57/3=19, Resulting Numbers: [27, 19] Generated Node #3: [27, 19] from Operation: 57/3=19 Current State: 46:[27, 19], Operations: ['50-47=3', '57/3=19'] Exploring Operation: 27+19=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
4
Current State: 46:[47, 27, 57, 50], Operations: [] Exploring Operation: 57-27=30, Resulting Numbers: [47, 50, 30] Generated Node #0,0: 46:[47, 50, 30] Operation: 57-27=30 Exploring Operation: 57-50=7, Resulting Numbers: [47, 27, 7] Generated Node #0,1: 46:[47, 27, 7] Operation: 57-50=7 Start Sub Search at level 1: Moving to Node #0,1 Current State: 46:[47, 27, 7], Operations: ['57-50=7'] Exploring Operation: 27-7=20, Resulting Numbers: [47, 20] Generated Node #0,1,0: 46:[47, 20] Operation: 27-7=20 Exploring Operation: 47-27=20, Resulting Numbers: [7, 20] Generated Node #0,1,1: 46:[7, 20] Operation: 47-27=20 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 46:[47, 20], Operations: ['57-50=7', '27-7=20'] Exploring Operation: 47+20=67, Resulting Numbers: [67] 67,46 unequal: No Solution Exploring Operation: 47-20=27, Resulting Numbers: [27] 27,46 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 46:[7, 20], Operations: ['57-50=7', '47-27=20'] Exploring Operation: 7+20=27, Resulting Numbers: [27] 27,46 unequal: No Solution Exploring Operation: 20-7=13, Resulting Numbers: [13] 13,46 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 46:[47, 50, 30], Operations: ['57-27=30'] Exploring Operation: 50-47=3, Resulting Numbers: [30, 3] Generated Node #0,0,0: 46:[30, 3] Operation: 50-47=3 Exploring Operation: 50-30=20, Resulting Numbers: [47, 20] Generated Node #0,0,1: 46:[47, 20] Operation: 50-30=20 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 46:[47, 20], Operations: ['57-27=30', '50-30=20'] Exploring Operation: 47+20=67, Resulting Numbers: [67] 67,46 unequal: No Solution Exploring Operation: 47-20=27, Resulting Numbers: [27] 27,46 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 46:[30, 3], Operations: ['57-27=30', '50-47=3'] Exploring Operation: 30-3=27, Resulting Numbers: [27] 27,46 unequal: No Solution Exploring Operation: 30/3=10, Resulting Numbers: [10] 10,46 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 4, 35, 6, 67 ]
51
[ "6-4=2", "35+67=102", "102/2=51" ]
Current State: 51:[4, 35, 6, 67], Operations: [] Exploring Operation: 6-4=2, Resulting Numbers: [35, 67, 2] Generated Node #2: [35, 67, 2] from Operation: 6-4=2 Current State: 51:[35, 67, 2], Operations: ['6-4=2'] Exploring Operation: 35+67=102, Resulting Numbers: [2, 102] Generated Node #3: [2, 102] from Operation: 35+67=102 Current State: 51:[2, 102], Operations: ['6-4=2', '35+67=102'] Exploring Operation: 102/2=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[4, 35, 6, 67], Operations: [] Exploring Operation: 35-6=29, Resulting Numbers: [4, 67, 29] Generated Node #0,0: 51:[4, 67, 29] Operation: 35-6=29 Exploring Operation: 4+35=39, Resulting Numbers: [6, 67, 39] Generated Node #0,1: 51:[6, 67, 39] Operation: 4+35=39 Exploring Operation: 35+6=41, Resulting Numbers: [4, 67, 41] Generated Node #0,2: 51:[4, 67, 41] Operation: 35+6=41 Exploring Operation: 67-35=32, Resulting Numbers: [4, 6, 32] Generated Node #0,3: 51:[4, 6, 32] Operation: 67-35=32 Exploring Operation: 67-6=61, Resulting Numbers: [4, 35, 61] Generated Node #0,4: 51:[4, 35, 61] Operation: 67-6=61 Start Sub Search at level 1: Moving to Node #0,3 Current State: 51:[4, 6, 32], Operations: ['67-35=32'] Exploring Operation: 32/4=8, Resulting Numbers: [6, 8] Generated Node #0,3,0: 51:[6, 8] Operation: 32/4=8 Exploring Operation: 32-6=26, Resulting Numbers: [4, 26] Generated Node #0,3,1: 51:[4, 26] Operation: 32-6=26 Exploring Operation: 32-4=28, Resulting Numbers: [6, 28] Generated Node #0,3,2: 51:[6, 28] Operation: 32-4=28 Exploring Operation: 6+32=38, Resulting Numbers: [4, 38] Generated Node #0,3,3: 51:[4, 38] Operation: 6+32=38 Exploring Operation: 6-4=2, Resulting Numbers: [32, 2] Generated Node #0,3,4: 51:[32, 2] Operation: 6-4=2 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 51:[6, 8], Operations: ['67-35=32', '32/4=8'] Exploring Operation: 6+8=14, Resulting Numbers: [14] 14,51 unequal: No Solution Exploring Operation: 8-6=2, Resulting Numbers: [2] 2,51 unequal: No Solution Exploring Operation: 6*8=48, Resulting Numbers: [48] 48,51 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 51:[4, 26], Operations: ['67-35=32', '32-6=26'] Exploring Operation: 4*26=104, Resulting Numbers: [104] 104,51 unequal: No Solution Exploring Operation: 26-4=22, Resulting Numbers: [22] 22,51 unequal: No Solution Exploring Operation: 4+26=30, Resulting Numbers: [30] 30,51 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 51:[6, 28], Operations: ['67-35=32', '32-4=28'] Exploring Operation: 6*28=168, Resulting Numbers: [168] 168,51 unequal: No Solution Exploring Operation: 6+28=34, Resulting Numbers: [34] 34,51 unequal: No Solution Exploring Operation: 28-6=22, Resulting Numbers: [22] 22,51 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 51:[4, 38], Operations: ['67-35=32', '6+32=38'] Exploring Operation: 38-4=34, Resulting Numbers: [34] 34,51 unequal: No Solution Exploring Operation: 4+38=42, Resulting Numbers: [42] 42,51 unequal: No Solution Exploring Operation: 4*38=152, Resulting Numbers: [152] 152,51 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 51:[32, 2], Operations: ['67-35=32', '6-4=2'] Exploring Operation: 32+2=34, Resulting Numbers: [34] 34,51 unequal: No Solution Exploring Operation: 32*2=64, Resulting Numbers: [64] 64,51 unequal: No Solution Exploring Operation: 32/2=16, Resulting Numbers: [16] 16,51 unequal: No Solution Exploring Operation: 32-2=30, Resulting Numbers: [30] 30,51 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 51:[4, 67, 41], Operations: ['35+6=41'] Exploring Operation: 67-41=26, Resulting Numbers: [4, 26] Generated Node #0,2,0: 51:[4, 26] Operation: 67-41=26 Exploring Operation: 41-4=37, Resulting Numbers: [67, 37] Generated Node #0,2,1: 51:[67, 37] Operation: 41-4=37 Exploring Operation: 4+67=71, Resulting Numbers: [41, 71] Generated Node #0,2,2: 51:[41, 71] Operation: 4+67=71 Exploring Operation: 67-4=63, Resulting Numbers: [41, 63] Generated Node #0,2,3: 51:[41, 63] Operation: 67-4=63 Exploring Operation: 4+41=45, Resulting Numbers: [67, 45] Generated Node #0,2,4: 51:[67, 45] Operation: 4+41=45 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 51:[4, 26], Operations: ['35+6=41', '67-41=26'] Exploring Operation: 4*26=104, Resulting Numbers: [104] 104,51 unequal: No Solution Exploring Operation: 4+26=30, Resulting Numbers: [30] 30,51 unequal: No Solution Exploring Operation: 26-4=22, Resulting Numbers: [22] 22,51 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 51:[41, 63], Operations: ['35+6=41', '67-4=63'] Exploring Operation: 63-41=22, Resulting Numbers: [22] 22,51 unequal: No Solution Exploring Operation: 41*63=2583, Resulting Numbers: [2583] 2583,51 unequal: No Solution Exploring Operation: 41+63=104, Resulting Numbers: [104] 104,51 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 51:[67, 45], Operations: ['35+6=41', '4+41=45'] Exploring Operation: 67+45=112, Resulting Numbers: [112] 112,51 unequal: No Solution Exploring Operation: 67*45=3015, Resulting Numbers: [3015] 3015,51 unequal: No Solution Exploring Operation: 67-45=22, Resulting Numbers: [22] 22,51 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 51:[67, 37], Operations: ['35+6=41', '41-4=37'] Exploring Operation: 67*37=2479, Resulting Numbers: [2479] 2479,51 unequal: No Solution Exploring Operation: 67+37=104, Resulting Numbers: [104] 104,51 unequal: No Solution Exploring Operation: 67-37=30, Resulting Numbers: [30] 30,51 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 51:[41, 71], Operations: ['35+6=41', '4+67=71'] Exploring Operation: 71-41=30, Resulting Numbers: [30] 30,51 unequal: No Solution Exploring Operation: 41*71=2911, Resulting Numbers: [2911] 2911,51 unequal: No Solution Exploring Operation: 41+71=112, Resulting Numbers: [112] 112,51 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 51:[4, 35, 61], Operations: ['67-6=61'] Exploring Operation: 61-35=26, Resulting Numbers: [4, 26] Generated Node #0,4,0: 51:[4, 26] Operation: 61-35=26 Exploring Operation: 61-4=57, Resulting Numbers: [35, 57] Generated Node #0,4,1: 51:[35, 57] Operation: 61-4=57 Exploring Operation: 4+61=65, Resulting Numbers: [35, 65] Generated Node #0,4,2: 51:[35, 65] Operation: 4+61=65 Exploring Operation: 4+35=39, Resulting Numbers: [61, 39] Generated Node #0,4,3: 51:[61, 39] Operation: 4+35=39 Exploring Operation: 35-4=31, Resulting Numbers: [61, 31] Generated Node #0,4,4: 51:[61, 31] Operation: 35-4=31 Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 51:[4, 26], Operations: ['67-6=61', '61-35=26'] Exploring Operation: 26-4=22, Resulting Numbers: [22] 22,51 unequal: No Solution Exploring Operation: 4*26=104, Resulting Numbers: [104] 104,51 unequal: No Solution Exploring Operation: 4+26=30, Resulting Numbers: [30] 30,51 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 51:[35, 57], Operations: ['67-6=61', '61-4=57'] Exploring Operation: 35+57=92, Resulting Numbers: [92] 92,51 unequal: No Solution Exploring Operation: 35*57=1995, Resulting Numbers: [1995] 1995,51 unequal: No Solution Exploring Operation: 57-35=22, Resulting Numbers: [22] 22,51 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 51:[61, 39], Operations: ['67-6=61', '4+35=39'] Exploring Operation: 61+39=100, Resulting Numbers: [100] 100,51 unequal: No Solution Exploring Operation: 61*39=2379, Resulting Numbers: [2379] 2379,51 unequal: No Solution Exploring Operation: 61-39=22, Resulting Numbers: [22] 22,51 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 51:[61, 31], Operations: ['67-6=61', '35-4=31'] Exploring Operation: 61-31=30, Resulting Numbers: [30] 30,51 unequal: No Solution Exploring Operation: 61+31=92, Resulting Numbers: [92] 92,51 unequal: No Solution Exploring Operation: 61*31=1891, Resulting Numbers: [1891] 1891,51 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 51:[35, 65], Operations: ['67-6=61', '4+61=65'] Exploring Operation: 35*65=2275, Resulting Numbers: [2275] 2275,51 unequal: No Solution Exploring Operation: 35+65=100, Resulting Numbers: [100] 100,51 unequal: No Solution Exploring Operation: 65-35=30, Resulting Numbers: [30] 30,51 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 51:[4, 67, 29], Operations: ['35-6=29'] Exploring Operation: 29-4=25, Resulting Numbers: [67, 25] Generated Node #0,0,0: 51:[67, 25] Operation: 29-4=25 Exploring Operation: 67-4=63, Resulting Numbers: [29, 63] Generated Node #0,0,1: 51:[29, 63] Operation: 67-4=63 Exploring Operation: 4+29=33, Resulting Numbers: [67, 33] Generated Node #0,0,2: 51:[67, 33] Operation: 4+29=33 Exploring Operation: 4+67=71, Resulting Numbers: [29, 71] Generated Node #0,0,3: 51:[29, 71] Operation: 4+67=71 Exploring Operation: 67-29=38, Resulting Numbers: [4, 38] Generated Node #0,0,4: 51:[4, 38] Operation: 67-29=38 Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 51:[4, 38], Operations: ['35-6=29', '67-29=38'] Exploring Operation: 4*38=152, Resulting Numbers: [152] 152,51 unequal: No Solution Exploring Operation: 38-4=34, Resulting Numbers: [34] 34,51 unequal: No Solution Exploring Operation: 4+38=42, Resulting Numbers: [42] 42,51 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 51:[67, 25], Operations: ['35-6=29', '29-4=25'] Exploring Operation: 67+25=92, Resulting Numbers: [92] 92,51 unequal: No Solution Exploring Operation: 67-25=42, Resulting Numbers: [42] 42,51 unequal: No Solution Exploring Operation: 67*25=1675, Resulting Numbers: [1675] 1675,51 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 51:[29, 63], Operations: ['35-6=29', '67-4=63'] Exploring Operation: 63-29=34, Resulting Numbers: [34] 34,51 unequal: No Solution Exploring Operation: 29*63=1827, Resulting Numbers: [1827] 1827,51 unequal: No Solution Exploring Operation: 29+63=92, Resulting Numbers: [92] 92,51 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 51:[67, 33], Operations: ['35-6=29', '4+29=33'] Exploring Operation: 67*33=2211, Resulting Numbers: [2211] 2211,51 unequal: No Solution Exploring Operation: 67+33=100, Resulting Numbers: [100] 100,51 unequal: No Solution Exploring Operation: 67-33=34, Resulting Numbers: [34] 34,51 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 51:[29, 71], Operations: ['35-6=29', '4+67=71'] Exploring Operation: 29+71=100, Resulting Numbers: [100] 100,51 unequal: No Solution Exploring Operation: 29*71=2059, Resulting Numbers: [2059] 2059,51 unequal: No Solution Exploring Operation: 71-29=42, Resulting Numbers: [42] 42,51 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 51:[6, 67, 39], Operations: ['4+35=39'] Exploring Operation: 6+67=73, Resulting Numbers: [39, 73] Generated Node #0,1,0: 51:[39, 73] Operation: 6+67=73 Exploring Operation: 39-6=33, Resulting Numbers: [67, 33] Generated Node #0,1,1: 51:[67, 33] Operation: 39-6=33 Exploring Operation: 67-6=61, Resulting Numbers: [39, 61] Generated Node #0,1,2: 51:[39, 61] Operation: 67-6=61 Exploring Operation: 67-39=28, Resulting Numbers: [6, 28] Generated Node #0,1,3: 51:[6, 28] Operation: 67-39=28 Exploring Operation: 6+39=45, Resulting Numbers: [67, 45] Generated Node #0,1,4: 51:[67, 45] Operation: 6+39=45 Moving to Node #0,1,3 Current State: 51:[6, 28], Operations: ['4+35=39', '67-39=28'] Exploring Operation: 28-6=22, Resulting Numbers: [22] 22,51 unequal: No Solution Exploring Operation: 6*28=168, Resulting Numbers: [168] 168,51 unequal: No Solution Exploring Operation: 6+28=34, Resulting Numbers: [34] 34,51 unequal: No Solution Moving to Node #0,1,4 Current State: 51:[67, 45], Operations: ['4+35=39', '6+39=45'] Exploring Operation: 67-45=22, Resulting Numbers: [22] 22,51 unequal: No Solution Exploring Operation: 67*45=3015, Resulting Numbers: [3015] 3015,51 unequal: No Solution Exploring Operation: 67+45=112, Resulting Numbers: [112] 112,51 unequal: No Solution Moving to Node #0,1,2 Current State: 51:[39, 61], Operations: ['4+35=39', '67-6=61'] Exploring Operation: 39+61=100, Resulting Numbers: [100] 100,51 unequal: No Solution Exploring Operation: 61-39=22, Resulting Numbers: [22] 22,51 unequal: No Solution Exploring Operation: 39*61=2379, Resulting Numbers: [2379] 2379,51 unequal: No Solution Moving to Node #0,1,1 Current State: 51:[67, 33], Operations: ['4+35=39', '39-6=33'] Exploring Operation: 67*33=2211, Resulting Numbers: [2211] 2211,51 unequal: No Solution Exploring Operation: 67-33=34, Resulting Numbers: [34] 34,51 unequal: No Solution Exploring Operation: 67+33=100, Resulting Numbers: [100] 100,51 unequal: No Solution Moving to Node #0,1,0 Current State: 51:[39, 73], Operations: ['4+35=39', '6+67=73'] Exploring Operation: 39+73=112, Resulting Numbers: [112] 112,51 unequal: No Solution Exploring Operation: 73-39=34, Resulting Numbers: [34] 34,51 unequal: No Solution Exploring Operation: 39*73=2847, Resulting Numbers: [2847] 2847,51 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
[ 39, 31, 71, 6 ]
76
[ "39+71=110", "31*6=186", "186-110=76" ]
Current State: 76:[39, 31, 71, 6], Operations: [] Exploring Operation: 39+71=110, Resulting Numbers: [31, 6, 110] Generated Node #2: [31, 6, 110] from Operation: 39+71=110 Current State: 76:[31, 6, 110], Operations: ['39+71=110'] Exploring Operation: 31*6=186, Resulting Numbers: [110, 186] Generated Node #3: [110, 186] from Operation: 31*6=186 Current State: 76:[110, 186], Operations: ['39+71=110', '31*6=186'] Exploring Operation: 186-110=76, Resulting Numbers: [76] 76,76 equal: Goal Reached
4
Current State: 76:[39, 31, 71, 6], Operations: [] Exploring Operation: 71-31=40, Resulting Numbers: [39, 6, 40] Generated Node #0,0: 76:[39, 6, 40] Operation: 71-31=40 Exploring Operation: 31-6=25, Resulting Numbers: [39, 71, 25] Generated Node #0,1: 76:[39, 71, 25] Operation: 31-6=25 Exploring Operation: 31+6=37, Resulting Numbers: [39, 71, 37] Generated Node #0,2: 76:[39, 71, 37] Operation: 31+6=37 Exploring Operation: 71+6=77, Resulting Numbers: [39, 31, 77] Generated Node #0,3: 76:[39, 31, 77] Operation: 71+6=77 Exploring Operation: 39-31=8, Resulting Numbers: [71, 6, 8] Generated Node #0,4: 76:[71, 6, 8] Operation: 39-31=8 Start Sub Search at level 1: Moving to Node #0,0 Current State: 76:[39, 6, 40], Operations: ['71-31=40'] Exploring Operation: 39+6=45, Resulting Numbers: [40, 45] Generated Node #0,0,0: 76:[40, 45] Operation: 39+6=45 Exploring Operation: 39-6=33, Resulting Numbers: [40, 33] Generated Node #0,0,1: 76:[40, 33] Operation: 39-6=33 Exploring Operation: 40-39=1, Resulting Numbers: [6, 1] Generated Node #0,0,2: 76:[6, 1] Operation: 40-39=1 Exploring Operation: 40-6=34, Resulting Numbers: [39, 34] Generated Node #0,0,3: 76:[39, 34] Operation: 40-6=34 Exploring Operation: 39+40=79, Resulting Numbers: [6, 79] Generated Node #0,0,4: 76:[6, 79] Operation: 39+40=79 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 76:[6, 1], Operations: ['71-31=40', '40-39=1'] Exploring Operation: 6/1=6, Resulting Numbers: [6] 6,76 unequal: No Solution Exploring Operation: 6+1=7, Resulting Numbers: [7] 7,76 unequal: No Solution Exploring Operation: 6-1=5, Resulting Numbers: [5] 5,76 unequal: No Solution Exploring Operation: 6*1=6, Resulting Numbers: [6] 6,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 76:[39, 34], Operations: ['71-31=40', '40-6=34'] Exploring Operation: 39+34=73, Resulting Numbers: [73] 73,76 unequal: No Solution Exploring Operation: 39*34=1326, Resulting Numbers: [1326] 1326,76 unequal: No Solution Exploring Operation: 39-34=5, Resulting Numbers: [5] 5,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 76:[6, 79], Operations: ['71-31=40', '39+40=79'] Exploring Operation: 79-6=73, Resulting Numbers: [73] 73,76 unequal: No Solution Exploring Operation: 6*79=474, Resulting Numbers: [474] 474,76 unequal: No Solution Exploring Operation: 6+79=85, Resulting Numbers: [85] 85,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 76:[40, 33], Operations: ['71-31=40', '39-6=33'] Exploring Operation: 40*33=1320, Resulting Numbers: [1320] 1320,76 unequal: No Solution Exploring Operation: 40-33=7, Resulting Numbers: [7] 7,76 unequal: No Solution Exploring Operation: 40+33=73, Resulting Numbers: [73] 73,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 76:[40, 45], Operations: ['71-31=40', '39+6=45'] Exploring Operation: 40*45=1800, Resulting Numbers: [1800] 1800,76 unequal: No Solution Exploring Operation: 40+45=85, Resulting Numbers: [85] 85,76 unequal: No Solution Exploring Operation: 45-40=5, Resulting Numbers: [5] 5,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 76:[39, 71, 37], Operations: ['31+6=37'] Exploring Operation: 39+37=76, Resulting Numbers: [71, 76] Generated Node #0,2,0: 76:[71, 76] Operation: 39+37=76 Exploring Operation: 71+37=108, Resulting Numbers: [39, 108] Generated Node #0,2,1: 76:[39, 108] Operation: 71+37=108 Exploring Operation: 71-39=32, Resulting Numbers: [37, 32] Generated Node #0,2,2: 76:[37, 32] Operation: 71-39=32 Exploring Operation: 39-37=2, Resulting Numbers: [71, 2] Generated Node #0,2,3: 76:[71, 2] Operation: 39-37=2 Exploring Operation: 71-37=34, Resulting Numbers: [39, 34] Generated Node #0,2,4: 76:[39, 34] Operation: 71-37=34 Moving to Node #0,2,0 Current State: 76:[71, 76], Operations: ['31+6=37', '39+37=76'] Exploring Operation: 71+76=147, Resulting Numbers: [147] 147,76 unequal: No Solution Exploring Operation: 71*76=5396, Resulting Numbers: [5396] 5396,76 unequal: No Solution Exploring Operation: 76-71=5, Resulting Numbers: [5] 5,76 unequal: No Solution Moving to Node #0,2,4 Current State: 76:[39, 34], Operations: ['31+6=37', '71-37=34'] Exploring Operation: 39*34=1326, Resulting Numbers: [1326] 1326,76 unequal: No Solution Exploring Operation: 39-34=5, Resulting Numbers: [5] 5,76 unequal: No Solution Exploring Operation: 39+34=73, Resulting Numbers: [73] 73,76 unequal: No Solution Moving to Node #0,2,3 Current State: 76:[71, 2], Operations: ['31+6=37', '39-37=2'] Exploring Operation: 71*2=142, Resulting Numbers: [142] 142,76 unequal: No Solution Exploring Operation: 71+2=73, Resulting Numbers: [73] 73,76 unequal: No Solution Exploring Operation: 71-2=69, Resulting Numbers: [69] 69,76 unequal: No Solution Moving to Node #0,2,2 Current State: 76:[37, 32], Operations: ['31+6=37', '71-39=32'] Exploring Operation: 37+32=69, Resulting Numbers: [69] 69,76 unequal: No Solution Exploring Operation: 37*32=1184, Resulting Numbers: [1184] 1184,76 unequal: No Solution Exploring Operation: 37-32=5, Resulting Numbers: [5] 5,76 unequal: No Solution Moving to Node #0,2,1 Current State: 76:[39, 108], Operations: ['31+6=37', '71+37=108'] Exploring Operation: 39+108=147, Resulting Numbers: [147] 147,76 unequal: No Solution Exploring Operation: 108-39=69, Resulting Numbers: [69] 69,76 unequal: No Solution Exploring Operation: 39*108=4212, Resulting Numbers: [4212] 4212,76 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 76:[39, 31, 77], Operations: ['71+6=77'] Exploring Operation: 31+77=108, Resulting Numbers: [39, 108] Generated Node #0,3,0: 76:[39, 108] Operation: 31+77=108 Exploring Operation: 39-31=8, Resulting Numbers: [77, 8] Generated Node #0,3,1: 76:[77, 8] Operation: 39-31=8 Exploring Operation: 39+31=70, Resulting Numbers: [77, 70] Generated Node #0,3,2: 76:[77, 70] Operation: 39+31=70 Exploring Operation: 77-31=46, Resulting Numbers: [39, 46] Generated Node #0,3,3: 76:[39, 46] Operation: 77-31=46 Exploring Operation: 77-39=38, Resulting Numbers: [31, 38] Generated Node #0,3,4: 76:[31, 38] Operation: 77-39=38 Moving to Node #0,3,1 Current State: 76:[77, 8], Operations: ['71+6=77', '39-31=8'] Exploring Operation: 77*8=616, Resulting Numbers: [616] 616,76 unequal: No Solution Exploring Operation: 77+8=85, Resulting Numbers: [85] 85,76 unequal: No Solution Exploring Operation: 77-8=69, Resulting Numbers: [69] 69,76 unequal: No Solution Moving to Node #0,3,4 Current State: 76:[31, 38], Operations: ['71+6=77', '77-39=38'] Exploring Operation: 38-31=7, Resulting Numbers: [7] 7,76 unequal: No Solution Exploring Operation: 31+38=69, Resulting Numbers: [69] 69,76 unequal: No Solution Exploring Operation: 31*38=1178, Resulting Numbers: [1178] 1178,76 unequal: No Solution Moving to Node #0,3,2 Current State: 76:[77, 70], Operations: ['71+6=77', '39+31=70'] Exploring Operation: 77-70=7, Resulting Numbers: [7] 7,76 unequal: No Solution Exploring Operation: 77+70=147, Resulting Numbers: [147] 147,76 unequal: No Solution Exploring Operation: 77*70=5390, Resulting Numbers: [5390] 5390,76 unequal: No Solution Moving to Node #0,3,3 Current State: 76:[39, 46], Operations: ['71+6=77', '77-31=46'] Exploring Operation: 46-39=7, Resulting Numbers: [7] 7,76 unequal: No Solution Exploring Operation: 39+46=85, Resulting Numbers: [85] 85,76 unequal: No Solution Exploring Operation: 39*46=1794, Resulting Numbers: [1794] 1794,76 unequal: No Solution Moving to Node #0,3,0 Current State: 76:[39, 108], Operations: ['71+6=77', '31+77=108'] Exploring Operation: 108-39=69, Resulting Numbers: [69] 69,76 unequal: No Solution Exploring Operation: 39*108=4212, Resulting Numbers: [4212] 4212,76 unequal: No Solution Exploring Operation: 39+108=147, Resulting Numbers: [147] 147,76 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 76:[71, 6, 8], Operations: ['39-31=8'] Exploring Operation: 71-6=65, Resulting Numbers: [8, 65] Generated Node #0,4,0: 76:[8, 65] Operation: 71-6=65 Exploring Operation: 6+8=14, Resulting Numbers: [71, 14] Generated Node #0,4,1: 76:[71, 14] Operation: 6+8=14 Exploring Operation: 71+6=77, Resulting Numbers: [8, 77] Generated Node #0,4,2: 76:[8, 77] Operation: 71+6=77 Exploring Operation: 8-6=2, Resulting Numbers: [71, 2] Generated Node #0,4,3: 76:[71, 2] Operation: 8-6=2 Exploring Operation: 71+8=79, Resulting Numbers: [6, 79] Generated Node #0,4,4: 76:[6, 79] Operation: 71+8=79 Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 76:[8, 77], Operations: ['39-31=8', '71+6=77'] Exploring Operation: 8+77=85, Resulting Numbers: [85] 85,76 unequal: No Solution Exploring Operation: 8*77=616, Resulting Numbers: [616] 616,76 unequal: No Solution Exploring Operation: 77-8=69, Resulting Numbers: [69] 69,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 76:[71, 2], Operations: ['39-31=8', '8-6=2'] Exploring Operation: 71-2=69, Resulting Numbers: [69] 69,76 unequal: No Solution Exploring Operation: 71*2=142, Resulting Numbers: [142] 142,76 unequal: No Solution Exploring Operation: 71+2=73, Resulting Numbers: [73] 73,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 76:[6, 79], Operations: ['39-31=8', '71+8=79'] Exploring Operation: 6*79=474, Resulting Numbers: [474] 474,76 unequal: No Solution Exploring Operation: 6+79=85, Resulting Numbers: [85] 85,76 unequal: No Solution Exploring Operation: 79-6=73, Resulting Numbers: [73] 73,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 76:[71, 14], Operations: ['39-31=8', '6+8=14'] Exploring Operation: 71+14=85, Resulting Numbers: [85] 85,76 unequal: No Solution Exploring Operation: 71-14=57, Resulting Numbers: [57] 57,76 unequal: No Solution Exploring Operation: 71*14=994, Resulting Numbers: [994] 994,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 76:[8, 65], Operations: ['39-31=8', '71-6=65'] Exploring Operation: 65-8=57, Resulting Numbers: [57] 57,76 unequal: No Solution Exploring Operation: 8+65=73, Resulting Numbers: [73] 73,76 unequal: No Solution Exploring Operation: 8*65=520, Resulting Numbers: [520] 520,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 76:[39, 71, 25], Operations: ['31-6=25'] Exploring Operation: 71-39=32, Resulting Numbers: [25, 32] Generated Node #0,1,0: 76:[25, 32] Operation: 71-39=32 Exploring Operation: 71-25=46, Resulting Numbers: [39, 46] Generated Node #0,1,1: 76:[39, 46] Operation: 71-25=46 Exploring Operation: 39-25=14, Resulting Numbers: [71, 14] Generated Node #0,1,2: 76:[71, 14] Operation: 39-25=14 Exploring Operation: 39+25=64, Resulting Numbers: [71, 64] Generated Node #0,1,3: 76:[71, 64] Operation: 39+25=64 Exploring Operation: 71+25=96, Resulting Numbers: [39, 96] Generated Node #0,1,4: 76:[39, 96] Operation: 71+25=96 Moving to Node #0,1,1 Current State: 76:[39, 46], Operations: ['31-6=25', '71-25=46'] Exploring Operation: 46-39=7, Resulting Numbers: [7] 7,76 unequal: No Solution Exploring Operation: 39+46=85, Resulting Numbers: [85] 85,76 unequal: No Solution Exploring Operation: 39*46=1794, Resulting Numbers: [1794] 1794,76 unequal: No Solution Moving to Node #0,1,2 Current State: 76:[71, 14], Operations: ['31-6=25', '39-25=14'] Exploring Operation: 71-14=57, Resulting Numbers: [57] 57,76 unequal: No Solution Exploring Operation: 71+14=85, Resulting Numbers: [85] 85,76 unequal: No Solution Exploring Operation: 71*14=994, Resulting Numbers: [994] 994,76 unequal: No Solution Moving to Node #0,1,0 Current State: 76:[25, 32], Operations: ['31-6=25', '71-39=32'] Exploring Operation: 25+32=57, Resulting Numbers: [57] 57,76 unequal: No Solution Exploring Operation: 25*32=800, Resulting Numbers: [800] 800,76 unequal: No Solution Exploring Operation: 32-25=7, Resulting Numbers: [7] 7,76 unequal: No Solution Moving to Node #0,1,3 Current State: 76:[71, 64], Operations: ['31-6=25', '39+25=64'] Exploring Operation: 71*64=4544, Resulting Numbers: [4544] 4544,76 unequal: No Solution Exploring Operation: 71+64=135, Resulting Numbers: [135] 135,76 unequal: No Solution Exploring Operation: 71-64=7, Resulting Numbers: [7] 7,76 unequal: No Solution Moving to Node #0,1,4 Current State: 76:[39, 96], Operations: ['31-6=25', '71+25=96'] Exploring Operation: 39*96=3744, Resulting Numbers: [3744] 3744,76 unequal: No Solution Exploring Operation: 96-39=57, Resulting Numbers: [57] 57,76 unequal: No Solution Exploring Operation: 39+96=135, Resulting Numbers: [135] 135,76 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
mult_heuristic
[ 12, 6, 46, 24 ]
23
[ "24-12=12", "6*46=276", "276/12=23" ]
Current State: 23:[12, 6, 46, 24], Operations: [] Exploring Operation: 24-12=12, Resulting Numbers: [6, 46, 12] Generated Node #2: [6, 46, 12] from Operation: 24-12=12 Current State: 23:[6, 46, 12], Operations: ['24-12=12'] Exploring Operation: 6*46=276, Resulting Numbers: [12, 276] Generated Node #3: [12, 276] from Operation: 6*46=276 Current State: 23:[12, 276], Operations: ['24-12=12', '6*46=276'] Exploring Operation: 276/12=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
4
Current State: 23:[12, 6, 46, 24], Operations: [] Exploring Operation: 46-12=34, Resulting Numbers: [6, 24, 34] Generated Node #0,0: 23:[6, 24, 34] Operation: 46-12=34 Exploring Operation: 12+6=18, Resulting Numbers: [46, 24, 18] Generated Node #0,1: 23:[46, 24, 18] Operation: 12+6=18 Start Sub Search at level 1: Moving to Node #0,0 Current State: 23:[6, 24, 34], Operations: ['46-12=34'] Exploring Operation: 34-6=28, Resulting Numbers: [24, 28] Generated Node #0,0,0: 23:[24, 28] Operation: 34-6=28 Exploring Operation: 24-6=18, Resulting Numbers: [34, 18] Generated Node #0,0,1: 23:[34, 18] Operation: 24-6=18 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 23:[24, 28], Operations: ['46-12=34', '34-6=28'] Exploring Operation: 24+28=52, Resulting Numbers: [52] 52,23 unequal: No Solution Exploring Operation: 28-24=4, Resulting Numbers: [4] 4,23 unequal: No Solution No 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: 23:[34, 18], Operations: ['46-12=34', '24-6=18'] Exploring Operation: 34-18=16, Resulting Numbers: [16] 16,23 unequal: No Solution Exploring Operation: 34+18=52, Resulting Numbers: [52] 52,23 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: 23:[46, 24, 18], Operations: ['12+6=18'] Exploring Operation: 46-24=22, Resulting Numbers: [18, 22] Generated Node #0,1,0: 23:[18, 22] Operation: 46-24=22 Exploring Operation: 46-18=28, Resulting Numbers: [24, 28] Generated Node #0,1,1: 23:[24, 28] Operation: 46-18=28 Moving to Node #0,1,0 Current State: 23:[18, 22], Operations: ['12+6=18', '46-24=22'] Exploring Operation: 18+22=40, Resulting Numbers: [40] 40,23 unequal: No Solution Exploring Operation: 22-18=4, Resulting Numbers: [4] 4,23 unequal: No Solution Moving to Node #0,1,1 Current State: 23:[24, 28], Operations: ['12+6=18', '46-18=28'] Exploring Operation: 28-24=4, Resulting Numbers: [4] 4,23 unequal: No Solution Exploring Operation: 24+28=52, Resulting Numbers: [52] 52,23 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
[ 28, 24, 85, 20 ]
13
[ "28+24=52", "85-20=65", "65-52=13" ]
Current State: 13:[28, 24, 85, 20], Operations: [] Exploring Operation: 28+24=52, Resulting Numbers: [85, 20, 52] Generated Node #2: [85, 20, 52] from Operation: 28+24=52 Current State: 13:[85, 20, 52], Operations: ['28+24=52'] Exploring Operation: 85-20=65, Resulting Numbers: [52, 65] Generated Node #3: [52, 65] from Operation: 85-20=65 Current State: 13:[52, 65], Operations: ['28+24=52', '85-20=65'] Exploring Operation: 65-52=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
4
Current State: 13:[28, 24, 85, 20], Operations: [] Exploring Operation: 85-28=57, Resulting Numbers: [24, 20, 57] Generated Node #0,0: 13:[24, 20, 57] Operation: 85-28=57 Exploring Operation: 85-24=61, Resulting Numbers: [28, 20, 61] Generated Node #0,1: 13:[28, 20, 61] Operation: 85-24=61 Exploring Operation: 28-24=4, Resulting Numbers: [85, 20, 4] Generated Node #0,2: 13:[85, 20, 4] Operation: 28-24=4 Exploring Operation: 85-20=65, Resulting Numbers: [28, 24, 65] Generated Node #0,3: 13:[28, 24, 65] Operation: 85-20=65 Start Sub Search at level 1: Moving to Node #0,0 Current State: 13:[24, 20, 57], Operations: ['85-28=57'] Exploring Operation: 57-24=33, Resulting Numbers: [20, 33] Generated Node #0,0,0: 13:[20, 33] Operation: 57-24=33 Exploring Operation: 57-20=37, Resulting Numbers: [24, 37] Generated Node #0,0,1: 13:[24, 37] Operation: 57-20=37 Exploring Operation: 24+20=44, Resulting Numbers: [57, 44] Generated Node #0,0,2: 13:[57, 44] Operation: 24+20=44 Exploring Operation: 24-20=4, Resulting Numbers: [57, 4] Generated Node #0,0,3: 13:[57, 4] Operation: 24-20=4 Moving to Node #0,0,0 Current State: 13:[20, 33], Operations: ['85-28=57', '57-24=33'] Exploring Operation: 20*33=660, Resulting Numbers: [660] 660,13 unequal: No Solution Exploring Operation: 33-20=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Moving to Node #0 Current State: 13:[28, 24, 85, 20], Operations: [] Exploring Operation: 85-28=57, Resulting Numbers: [24, 20, 57] Generated Node #0,0: 13:[24, 20, 57] Operation: 85-28=57 Moving to Node #0,0 Current State: 13:[24, 20, 57], Operations: ['85-28=57'] Exploring Operation: 57-24=33, Resulting Numbers: [20, 33] Generated Node #0,0,0: 13:[20, 33] Operation: 57-24=33 Moving to Node #0,0,0 Current State: 13:[20, 33], Operations: ['85-28=57', '57-24=33'] Exploring Operation: 33-20=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_4
mult_heuristic
[ 36, 16, 50, 47 ]
92
[ "50-47=3", "36*3=108", "108-16=92" ]
Current State: 92:[36, 16, 50, 47], Operations: [] Exploring Operation: 50-47=3, Resulting Numbers: [36, 16, 3] Generated Node #2: [36, 16, 3] from Operation: 50-47=3 Current State: 92:[36, 16, 3], Operations: ['50-47=3'] Exploring Operation: 36*3=108, Resulting Numbers: [16, 108] Generated Node #3: [16, 108] from Operation: 36*3=108 Current State: 92:[16, 108], Operations: ['50-47=3', '36*3=108'] Exploring Operation: 108-16=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
4
Current State: 92:[36, 16, 50, 47], Operations: [] Exploring Operation: 36-16=20, Resulting Numbers: [50, 47, 20] Generated Node #0,0: 92:[50, 47, 20] Operation: 36-16=20 Moving to Node #0,0 Current State: 92:[50, 47, 20], Operations: ['36-16=20'] Exploring Operation: 50-47=3, Resulting Numbers: [20, 3] Generated Node #0,0,0: 92:[20, 3] Operation: 50-47=3 Moving to Node #0,0,0 Current State: 92:[20, 3], Operations: ['36-16=20', '50-47=3'] Exploring Operation: 20+3=23, Resulting Numbers: [23] 23,92 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 8, 65, 94, 87 ]
64
[ "65-8=57", "94-87=7", "57+7=64" ]
Current State: 64:[8, 65, 94, 87], Operations: [] Exploring Operation: 65-8=57, Resulting Numbers: [94, 87, 57] Generated Node #2: [94, 87, 57] from Operation: 65-8=57 Current State: 64:[94, 87, 57], Operations: ['65-8=57'] Exploring Operation: 94-87=7, Resulting Numbers: [57, 7] Generated Node #3: [57, 7] from Operation: 94-87=7 Current State: 64:[57, 7], Operations: ['65-8=57', '94-87=7'] Exploring Operation: 57+7=64, Resulting Numbers: [64] 64,64 equal: Goal Reached
4
Current State: 64:[8, 65, 94, 87], Operations: [] Exploring Operation: 94-87=7, Resulting Numbers: [8, 65, 7] Generated Node #0,0: 64:[8, 65, 7] Operation: 94-87=7 Start Sub Search at level 1: Moving to Node #0,0 Current State: 64:[8, 65, 7], Operations: ['94-87=7'] Exploring Operation: 8+7=15, Resulting Numbers: [65, 15] Generated Node #0,0,0: 64:[65, 15] Operation: 8+7=15 Moving to Node #0,0,0 Current State: 64:[65, 15], Operations: ['94-87=7', '8+7=15'] Exploring Operation: 65-15=50, Resulting Numbers: [50] 50,64 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 65, 17, 2, 21 ]
71
[ "65-17=48", "2+21=23", "48+23=71" ]
Current State: 71:[65, 17, 2, 21], Operations: [] Exploring Operation: 65-17=48, Resulting Numbers: [2, 21, 48] Generated Node #2: [2, 21, 48] from Operation: 65-17=48 Current State: 71:[2, 21, 48], Operations: ['65-17=48'] Exploring Operation: 2+21=23, Resulting Numbers: [48, 23] Generated Node #3: [48, 23] from Operation: 2+21=23 Current State: 71:[48, 23], Operations: ['65-17=48', '2+21=23'] Exploring Operation: 48+23=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
4
Current State: 71:[65, 17, 2, 21], Operations: [] Exploring Operation: 2*21=42, Resulting Numbers: [65, 17, 42] Generated Node #0,0: 71:[65, 17, 42] Operation: 2*21=42 Exploring Operation: 17*2=34, Resulting Numbers: [65, 21, 34] Generated Node #0,1: 71:[65, 21, 34] Operation: 17*2=34 Moving to Node #0,0 Current State: 71:[65, 17, 42], Operations: ['2*21=42'] Exploring Operation: 17+42=59, Resulting Numbers: [65, 59] Generated Node #0,0,0: 71:[65, 59] Operation: 17+42=59 Exploring Operation: 65+17=82, Resulting Numbers: [42, 82] Generated Node #0,0,1: 71:[42, 82] Operation: 65+17=82 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 71:[65, 59], Operations: ['2*21=42', '17+42=59'] Exploring Operation: 65+59=124, Resulting Numbers: [124] 124,71 unequal: No Solution Exploring Operation: 65-59=6, Resulting Numbers: [6] 6,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 71:[42, 82], Operations: ['2*21=42', '65+17=82'] Exploring Operation: 42+82=124, Resulting Numbers: [124] 124,71 unequal: No Solution Exploring Operation: 82-42=40, Resulting Numbers: [40] 40,71 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: 71:[65, 21, 34], Operations: ['17*2=34'] Exploring Operation: 65+21=86, Resulting Numbers: [34, 86] Generated Node #0,1,0: 71:[34, 86] Operation: 65+21=86 Exploring Operation: 21+34=55, Resulting Numbers: [65, 55] Generated Node #0,1,1: 71:[65, 55] Operation: 21+34=55 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 71:[65, 55], Operations: ['17*2=34', '21+34=55'] Exploring Operation: 65+55=120, Resulting Numbers: [120] 120,71 unequal: No Solution Exploring Operation: 65-55=10, Resulting Numbers: [10] 10,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 71:[34, 86], Operations: ['17*2=34', '65+21=86'] Exploring Operation: 34+86=120, Resulting Numbers: [120] 120,71 unequal: No Solution Exploring Operation: 86-34=52, Resulting Numbers: [52] 52,71 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
[ 9, 27, 52, 91 ]
57
[ "27-9=18", "91-52=39", "18+39=57" ]
Current State: 57:[9, 27, 52, 91], Operations: [] Exploring Operation: 27-9=18, Resulting Numbers: [52, 91, 18] Generated Node #2: [52, 91, 18] from Operation: 27-9=18 Current State: 57:[52, 91, 18], Operations: ['27-9=18'] Exploring Operation: 91-52=39, Resulting Numbers: [18, 39] Generated Node #3: [18, 39] from Operation: 91-52=39 Current State: 57:[18, 39], Operations: ['27-9=18', '91-52=39'] Exploring Operation: 18+39=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
4
Current State: 57:[9, 27, 52, 91], Operations: [] Exploring Operation: 91-52=39, Resulting Numbers: [9, 27, 39] Generated Node #0,0: 57:[9, 27, 39] Operation: 91-52=39 Exploring Operation: 27/9=3, Resulting Numbers: [52, 91, 3] Generated Node #0,1: 57:[52, 91, 3] Operation: 27/9=3 Exploring Operation: 91-27=64, Resulting Numbers: [9, 52, 64] Generated Node #0,2: 57:[9, 52, 64] Operation: 91-27=64 Exploring Operation: 27-9=18, Resulting Numbers: [52, 91, 18] Generated Node #0,3: 57:[52, 91, 18] Operation: 27-9=18 Exploring Operation: 91-9=82, Resulting Numbers: [27, 52, 82] Generated Node #0,4: 57:[27, 52, 82] Operation: 91-9=82 Start Sub Search at level 1: Moving to Node #0,2 Current State: 57:[9, 52, 64], Operations: ['91-27=64'] Exploring Operation: 52-9=43, Resulting Numbers: [64, 43] Generated Node #0,2,0: 57:[64, 43] Operation: 52-9=43 Exploring Operation: 64-52=12, Resulting Numbers: [9, 12] Generated Node #0,2,1: 57:[9, 12] Operation: 64-52=12 Exploring Operation: 64-9=55, Resulting Numbers: [52, 55] Generated Node #0,2,2: 57:[52, 55] Operation: 64-9=55 Exploring Operation: 9+64=73, Resulting Numbers: [52, 73] Generated Node #0,2,3: 57:[52, 73] Operation: 9+64=73 Exploring Operation: 9+52=61, Resulting Numbers: [64, 61] Generated Node #0,2,4: 57:[64, 61] Operation: 9+52=61 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 57:[52, 55], Operations: ['91-27=64', '64-9=55'] Exploring Operation: 52+55=107, Resulting Numbers: [107] 107,57 unequal: No Solution Exploring Operation: 52*55=2860, Resulting Numbers: [2860] 2860,57 unequal: No Solution Exploring Operation: 55-52=3, Resulting Numbers: [3] 3,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 57:[64, 61], Operations: ['91-27=64', '9+52=61'] Exploring Operation: 64+61=125, Resulting Numbers: [125] 125,57 unequal: No Solution Exploring Operation: 64-61=3, Resulting Numbers: [3] 3,57 unequal: No Solution Exploring Operation: 64*61=3904, Resulting Numbers: [3904] 3904,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 57:[9, 12], Operations: ['91-27=64', '64-52=12'] Exploring Operation: 9*12=108, Resulting Numbers: [108] 108,57 unequal: No Solution Exploring Operation: 12-9=3, Resulting Numbers: [3] 3,57 unequal: No Solution Exploring Operation: 9+12=21, Resulting Numbers: [21] 21,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 57:[64, 43], Operations: ['91-27=64', '52-9=43'] Exploring Operation: 64+43=107, Resulting Numbers: [107] 107,57 unequal: No Solution Exploring Operation: 64*43=2752, Resulting Numbers: [2752] 2752,57 unequal: No Solution Exploring Operation: 64-43=21, Resulting Numbers: [21] 21,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 57:[52, 73], Operations: ['91-27=64', '9+64=73'] Exploring Operation: 52*73=3796, Resulting Numbers: [3796] 3796,57 unequal: No Solution Exploring Operation: 52+73=125, Resulting Numbers: [125] 125,57 unequal: No Solution Exploring Operation: 73-52=21, Resulting Numbers: [21] 21,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 57:[9, 27, 39], Operations: ['91-52=39'] Exploring Operation: 27-9=18, Resulting Numbers: [39, 18] Generated Node #0,0,0: 57:[39, 18] Operation: 27-9=18 Exploring Operation: 27/9=3, Resulting Numbers: [39, 3] Generated Node #0,0,1: 57:[39, 3] Operation: 27/9=3 Exploring Operation: 27+39=66, Resulting Numbers: [9, 66] Generated Node #0,0,2: 57:[9, 66] Operation: 27+39=66 Exploring Operation: 9+39=48, Resulting Numbers: [27, 48] Generated Node #0,0,3: 57:[27, 48] Operation: 9+39=48 Exploring Operation: 39-27=12, Resulting Numbers: [9, 12] Generated Node #0,0,4: 57:[9, 12] Operation: 39-27=12 Moving to Node #0,0,4 Current State: 57:[9, 12], Operations: ['91-52=39', '39-27=12'] Exploring Operation: 9*12=108, Resulting Numbers: [108] 108,57 unequal: No Solution Exploring Operation: 12-9=3, Resulting Numbers: [3] 3,57 unequal: No Solution Exploring Operation: 9+12=21, Resulting Numbers: [21] 21,57 unequal: No Solution Moving to Node #0,0,2 Current State: 57:[9, 66], Operations: ['91-52=39', '27+39=66'] Exploring Operation: 9+66=75, Resulting Numbers: [75] 75,57 unequal: No Solution Exploring Operation: 66-9=57, Resulting Numbers: [57] 57,57 equal: Goal Reached Moving to Node #0 Current State: 57:[9, 27, 52, 91], Operations: [] Exploring Operation: 91-52=39, Resulting Numbers: [9, 27, 39] Generated Node #0,0: 57:[9, 27, 39] Operation: 91-52=39 Moving to Node #0,0 Current State: 57:[9, 27, 39], Operations: ['91-52=39'] Exploring Operation: 27+39=66, Resulting Numbers: [9, 66] Generated Node #0,0,2: 57:[9, 66] Operation: 27+39=66 Moving to Node #0,0,2 Current State: 57:[9, 66], Operations: ['91-52=39', '27+39=66'] Exploring Operation: 66-9=57, Resulting Numbers: [57] 57,57 equal: Goal Reached Exit Sub Search at level 1
0.966146
hs_5
mult_heuristic
[ 18, 43, 43, 72 ]
82
[ "72/18=4", "43+43=86", "86-4=82" ]
Current State: 82:[18, 43, 43, 72], Operations: [] Exploring Operation: 72/18=4, Resulting Numbers: [43, 43, 4] Generated Node #2: [43, 43, 4] from Operation: 72/18=4 Current State: 82:[43, 43, 4], Operations: ['72/18=4'] Exploring Operation: 43+43=86, Resulting Numbers: [4, 86] Generated Node #3: [4, 86] from Operation: 43+43=86 Current State: 82:[4, 86], Operations: ['72/18=4', '43+43=86'] Exploring Operation: 86-4=82, Resulting Numbers: [82] 82,82 equal: Goal Reached
4
Current State: 82:[18, 43, 43, 72], Operations: [] Exploring Operation: 43/43=1, Resulting Numbers: [18, 72, 1] Generated Node #0,0: 82:[18, 72, 1] Operation: 43/43=1 Exploring Operation: 18+72=90, Resulting Numbers: [43, 43, 90] Generated Node #0,1: 82:[43, 43, 90] Operation: 18+72=90 Exploring Operation: 72-18=54, Resulting Numbers: [43, 43, 54] Generated Node #0,2: 82:[43, 43, 54] Operation: 72-18=54 Exploring Operation: 72/18=4, Resulting Numbers: [43, 43, 4] Generated Node #0,3: 82:[43, 43, 4] Operation: 72/18=4 Moving to Node #0,3 Current State: 82:[43, 43, 4], Operations: ['72/18=4'] Exploring Operation: 43/43=1, Resulting Numbers: [4, 1] Generated Node #0,3,0: 82:[4, 1] Operation: 43/43=1 Exploring Operation: 43-43=0, Resulting Numbers: [4, 0] Generated Node #0,3,1: 82:[4, 0] Operation: 43-43=0 Exploring Operation: 43-4=39, Resulting Numbers: [43, 39] Generated Node #0,3,2: 82:[43, 39] Operation: 43-4=39 Exploring Operation: 43-4=39, Resulting Numbers: [43, 39] Generated Node #0,3,3: 82:[43, 39] Operation: 43-4=39 Moving to Node #0,1 Current State: 82:[43, 43, 90], Operations: ['18+72=90'] Exploring Operation: 90-43=47, Resulting Numbers: [43, 47] Generated Node #0,1,0: 82:[43, 47] Operation: 90-43=47 Exploring Operation: 43-43=0, Resulting Numbers: [90, 0] Generated Node #0,1,1: 82:[90, 0] Operation: 43-43=0 Exploring Operation: 43/43=1, Resulting Numbers: [90, 1] Generated Node #0,1,2: 82:[90, 1] Operation: 43/43=1 Exploring Operation: 90-43=47, Resulting Numbers: [43, 47] Generated Node #0,1,3: 82:[43, 47] Operation: 90-43=47 Moving to Node #0,2 Current State: 82:[43, 43, 54], Operations: ['72-18=54'] Exploring Operation: 43-43=0, Resulting Numbers: [54, 0] Generated Node #0,2,0: 82:[54, 0] Operation: 43-43=0 Exploring Operation: 43/43=1, Resulting Numbers: [54, 1] Generated Node #0,2,1: 82:[54, 1] Operation: 43/43=1 Exploring Operation: 54-43=11, Resulting Numbers: [43, 11] Generated Node #0,2,2: 82:[43, 11] Operation: 54-43=11 Exploring Operation: 54-43=11, Resulting Numbers: [43, 11] Generated Node #0,2,3: 82:[43, 11] Operation: 54-43=11 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 82:[43, 11], Operations: ['72-18=54', '54-43=11'] Exploring Operation: 43*11=473, Resulting Numbers: [473] 473,82 unequal: No Solution Exploring Operation: 43-11=32, Resulting Numbers: [32] 32,82 unequal: No Solution Exploring Operation: 43+11=54, Resulting Numbers: [54] 54,82 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 82:[43, 11], Operations: ['72-18=54', '54-43=11'] Exploring Operation: 43*11=473, Resulting Numbers: [473] 473,82 unequal: No Solution Exploring Operation: 43+11=54, Resulting Numbers: [54] 54,82 unequal: No Solution Exploring Operation: 43-11=32, Resulting Numbers: [32] 32,82 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 82:[54, 1], Operations: ['72-18=54', '43/43=1'] Exploring Operation: 54-1=53, Resulting Numbers: [53] 53,82 unequal: No Solution Exploring Operation: 54*1=54, Resulting Numbers: [54] 54,82 unequal: No Solution Exploring Operation: 54/1=54, Resulting Numbers: [54] 54,82 unequal: No Solution Exploring Operation: 54+1=55, Resulting Numbers: [55] 55,82 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 82:[54, 0], Operations: ['72-18=54', '43-43=0'] Exploring Operation: 54-0=54, Resulting Numbers: [54] 54,82 unequal: No Solution Exploring Operation: 54+0=54, Resulting Numbers: [54] 54,82 unequal: No Solution Exploring Operation: 54*0=0, Resulting Numbers: [0] 0,82 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: 82:[18, 72, 1], Operations: ['43/43=1'] Exploring Operation: 72-18=54, Resulting Numbers: [1, 54] Generated Node #0,0,0: 82:[1, 54] Operation: 72-18=54 Exploring Operation: 72/18=4, Resulting Numbers: [1, 4] Generated Node #0,0,1: 82:[1, 4] Operation: 72/18=4 Exploring Operation: 18-1=17, Resulting Numbers: [72, 17] Generated Node #0,0,2: 82:[72, 17] Operation: 18-1=17 Exploring Operation: 18+72=90, Resulting Numbers: [1, 90] Generated Node #0,0,3: 82:[1, 90] Operation: 18+72=90 Moving to Node #0,3,0 Current State: 82:[4, 1], Operations: ['72/18=4', '43/43=1'] Exploring Operation: 4*1=4, Resulting Numbers: [4] 4,82 unequal: No Solution Exploring Operation: 4/1=4, Resulting Numbers: [4] 4,82 unequal: No Solution Exploring Operation: 4-1=3, Resulting Numbers: [3] 3,82 unequal: No Solution Exploring Operation: 4+1=5, Resulting Numbers: [5] 5,82 unequal: No Solution Moving to Node #0,0,1 Current State: 82:[1, 4], Operations: ['43/43=1', '72/18=4'] Exploring Operation: 1*4=4, Resulting Numbers: [4] 4,82 unequal: No Solution Exploring Operation: 1+4=5, Resulting Numbers: [5] 5,82 unequal: No Solution Exploring Operation: 4-1=3, Resulting Numbers: [3] 3,82 unequal: No Solution Exploring Operation: 4/1=4, Resulting Numbers: [4] 4,82 unequal: No Solution Moving to Node #0,3,2 Current State: 82:[43, 39], Operations: ['72/18=4', '43-4=39'] Exploring Operation: 43-39=4, Resulting Numbers: [4] 4,82 unequal: No Solution Exploring Operation: 43*39=1677, Resulting Numbers: [1677] 1677,82 unequal: No Solution Exploring Operation: 43+39=82, Resulting Numbers: [82] 82,82 equal: Goal Reached Moving to Node #0 Current State: 82:[18, 43, 43, 72], Operations: [] Exploring Operation: 72/18=4, Resulting Numbers: [43, 43, 4] Generated Node #0,3: 82:[43, 43, 4] Operation: 72/18=4 Moving to Node #0,3 Current State: 82:[43, 43, 4], Operations: ['72/18=4'] Exploring Operation: 43-4=39, Resulting Numbers: [43, 39] Generated Node #0,3,2: 82:[43, 39] Operation: 43-4=39 Moving to Node #0,3,2 Current State: 82:[43, 39], Operations: ['72/18=4', '43-4=39'] Exploring Operation: 43+39=82, Resulting Numbers: [82] 82,82 equal: Goal Reached
0.958333
hs_4
sum_heuristic
[ 52, 40, 13, 17 ]
16
[ "52-40=12", "17-13=4", "12+4=16" ]
Current State: 16:[52, 40, 13, 17], Operations: [] Exploring Operation: 52-40=12, Resulting Numbers: [13, 17, 12] Generated Node #2: [13, 17, 12] from Operation: 52-40=12 Current State: 16:[13, 17, 12], Operations: ['52-40=12'] Exploring Operation: 17-13=4, Resulting Numbers: [12, 4] Generated Node #3: [12, 4] from Operation: 17-13=4 Current State: 16:[12, 4], Operations: ['52-40=12', '17-13=4'] Exploring Operation: 12+4=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[52, 40, 13, 17], Operations: [] Exploring Operation: 52-40=12, Resulting Numbers: [13, 17, 12] Generated Node #0,0: 16:[13, 17, 12] Operation: 52-40=12 Exploring Operation: 52/13=4, Resulting Numbers: [40, 17, 4] Generated Node #0,1: 16:[40, 17, 4] Operation: 52/13=4 Moving to Node #0,0 Current State: 16:[13, 17, 12], Operations: ['52-40=12'] Exploring Operation: 17-13=4, Resulting Numbers: [12, 4] Generated Node #0,0,0: 16:[12, 4] Operation: 17-13=4 Exploring Operation: 13-12=1, Resulting Numbers: [17, 1] Generated Node #0,0,1: 16:[17, 1] Operation: 13-12=1 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 16:[17, 1], Operations: ['52-40=12', '13-12=1'] Exploring Operation: 17*1=17, Resulting Numbers: [17] 17,16 unequal: No Solution Exploring Operation: 17-1=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Moving to Node #0 Current State: 16:[52, 40, 13, 17], Operations: [] Exploring Operation: 52-40=12, Resulting Numbers: [13, 17, 12] Generated Node #0,0: 16:[13, 17, 12] Operation: 52-40=12 Moving to Node #0,0 Current State: 16:[13, 17, 12], Operations: ['52-40=12'] Exploring Operation: 13-12=1, Resulting Numbers: [17, 1] Generated Node #0,0,1: 16:[17, 1] Operation: 13-12=1 Moving to Node #0,0,1 Current State: 16:[17, 1], Operations: ['52-40=12', '13-12=1'] Exploring Operation: 17-1=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Exit Sub Search at level 1
0.991319
hs_2
sum_heuristic
[ 4, 84, 13, 21 ]
55
[ "84/4=21", "13+21=34", "21+34=55" ]
Current State: 55:[4, 84, 13, 21], Operations: [] Exploring Operation: 84/4=21, Resulting Numbers: [13, 21, 21] Generated Node #2: [13, 21, 21] from Operation: 84/4=21 Current State: 55:[13, 21, 21], Operations: ['84/4=21'] Exploring Operation: 13+21=34, Resulting Numbers: [34] 34,55 equal: Goal Reached Exploring Operation: 21+34=55, Resulting Numbers: [55] 55,55 equal: Goal Reached
4
Current State: 55:[4, 84, 13, 21], Operations: [] Exploring Operation: 84/21=4, Resulting Numbers: [4, 13, 4] Generated Node #0,0: 55:[4, 13, 4] Operation: 84/21=4 Exploring Operation: 84-21=63, Resulting Numbers: [4, 13, 63] Generated Node #0,1: 55:[4, 13, 63] Operation: 84-21=63 Moving to Node #0,0 Current State: 55:[4, 13, 4], Operations: ['84/21=4'] Exploring Operation: 13-4=9, Resulting Numbers: [4, 9] Generated Node #0,0,0: 55:[4, 9] Operation: 13-4=9 Exploring Operation: 13-4=9, Resulting Numbers: [4, 9] Generated Node #0,0,1: 55:[4, 9] Operation: 13-4=9 Moving to Node #0,1 Current State: 55:[4, 13, 63], Operations: ['84-21=63'] Exploring Operation: 63-4=59, Resulting Numbers: [13, 59] Generated Node #0,1,0: 55:[13, 59] Operation: 63-4=59 Exploring Operation: 63-13=50, Resulting Numbers: [4, 50] Generated Node #0,1,1: 55:[4, 50] Operation: 63-13=50 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 55:[13, 59], Operations: ['84-21=63', '63-4=59'] Exploring Operation: 13+59=72, Resulting Numbers: [72] 72,55 unequal: No Solution Exploring Operation: 59-13=46, Resulting Numbers: [46] 46,55 unequal: No Solution No solution 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: 55:[4, 50], Operations: ['84-21=63', '63-13=50'] Exploring Operation: 4+50=54, Resulting Numbers: [54] 54,55 unequal: No Solution Exploring Operation: 50-4=46, Resulting Numbers: [46] 46,55 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: 55:[4, 9], Operations: ['84/21=4', '13-4=9'] Exploring Operation: 4+9=13, Resulting Numbers: [13] 13,55 unequal: No Solution Exploring Operation: 9-4=5, Resulting Numbers: [5] 5,55 unequal: No Solution Moving to Node #0,0,1 Current State: 55:[4, 9], Operations: ['84/21=4', '13-4=9'] Exploring Operation: 9-4=5, Resulting Numbers: [5] 5,55 unequal: No Solution Exploring Operation: 4+9=13, Resulting Numbers: [13] 13,55 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 26, 1, 90, 65 ]
37
[ "26*90=2340", "2340/65=36", "1+36=37" ]
Current State: 37:[26, 1, 90, 65], Operations: [] Exploring Operation: 26*90=2340, Resulting Numbers: [1, 65, 2340] Generated Node #2: [1, 65, 2340] from Operation: 26*90=2340 Current State: 37:[1, 65, 2340], Operations: ['26*90=2340'] Exploring Operation: 2340/65=36, Resulting Numbers: [1, 36] Generated Node #3: [1, 36] from Operation: 2340/65=36 Current State: 37:[1, 36], Operations: ['26*90=2340', '2340/65=36'] Exploring Operation: 1+36=37, Resulting Numbers: [37] 37,37 equal: Goal Reached
4
Current State: 37:[26, 1, 90, 65], Operations: [] Exploring Operation: 26+1=27, Resulting Numbers: [90, 65, 27] Generated Node #0,0: 37:[90, 65, 27] Operation: 26+1=27 Exploring Operation: 65-26=39, Resulting Numbers: [1, 90, 39] Generated Node #0,1: 37:[1, 90, 39] Operation: 65-26=39 Exploring Operation: 90-65=25, Resulting Numbers: [26, 1, 25] Generated Node #0,2: 37:[26, 1, 25] Operation: 90-65=25 Exploring Operation: 90-26=64, Resulting Numbers: [1, 65, 64] Generated Node #0,3: 37:[1, 65, 64] Operation: 90-26=64 Start Sub Search at level 1: Moving to Node #0,2 Current State: 37:[26, 1, 25], Operations: ['90-65=25'] Exploring Operation: 26/1=26, Resulting Numbers: [25, 26] Generated Node #0,2,0: 37:[25, 26] Operation: 26/1=26 Exploring Operation: 1+25=26, Resulting Numbers: [26, 26] Generated Node #0,2,1: 37:[26, 26] Operation: 1+25=26 Exploring Operation: 26*1=26, Resulting Numbers: [25, 26] Generated Node #0,2,2: 37:[25, 26] Operation: 26*1=26 Exploring Operation: 26+1=27, Resulting Numbers: [25, 27] Generated Node #0,2,3: 37:[25, 27] Operation: 26+1=27 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 37:[26, 26], Operations: ['90-65=25', '1+25=26'] Exploring Operation: 26*26=676, Resulting Numbers: [676] 676,37 unequal: No Solution Exploring Operation: 26/26=1, Resulting Numbers: [1] 1,37 unequal: No Solution Exploring Operation: 26-26=0, Resulting Numbers: [0] 0,37 unequal: No Solution Exploring Operation: 26+26=52, Resulting Numbers: [52] 52,37 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 37:[25, 27], Operations: ['90-65=25', '26+1=27'] Exploring Operation: 25+27=52, Resulting Numbers: [52] 52,37 unequal: No Solution Exploring Operation: 25*27=675, Resulting Numbers: [675] 675,37 unequal: No Solution Exploring Operation: 27-25=2, Resulting Numbers: [2] 2,37 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 37:[25, 26], Operations: ['90-65=25', '26/1=26'] Exploring Operation: 25*26=650, Resulting Numbers: [650] 650,37 unequal: No Solution Exploring Operation: 25+26=51, Resulting Numbers: [51] 51,37 unequal: No Solution Exploring Operation: 26-25=1, Resulting Numbers: [1] 1,37 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 37:[25, 26], Operations: ['90-65=25', '26*1=26'] Exploring Operation: 25+26=51, Resulting Numbers: [51] 51,37 unequal: No Solution Exploring Operation: 25*26=650, Resulting Numbers: [650] 650,37 unequal: No Solution Exploring Operation: 26-25=1, Resulting Numbers: [1] 1,37 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 #0,0 Current State: 37:[90, 65, 27], Operations: ['26+1=27'] Exploring Operation: 90-65=25, Resulting Numbers: [27, 25] Generated Node #0,0,0: 37:[27, 25] Operation: 90-65=25 Exploring Operation: 90+27=117, Resulting Numbers: [65, 117] Generated Node #0,0,1: 37:[65, 117] Operation: 90+27=117 Exploring Operation: 90-27=63, Resulting Numbers: [65, 63] Generated Node #0,0,2: 37:[65, 63] Operation: 90-27=63 Exploring Operation: 65-27=38, Resulting Numbers: [90, 38] Generated Node #0,0,3: 37:[90, 38] Operation: 65-27=38 Moving to Node #0,0,0 Current State: 37:[27, 25], Operations: ['26+1=27', '90-65=25'] Exploring Operation: 27-25=2, Resulting Numbers: [2] 2,37 unequal: No Solution Exploring Operation: 27+25=52, Resulting Numbers: [52] 52,37 unequal: No Solution Exploring Operation: 27*25=675, Resulting Numbers: [675] 675,37 unequal: No Solution Moving to Node #0,0,3 Current State: 37:[90, 38], Operations: ['26+1=27', '65-27=38'] Exploring Operation: 90+38=128, Resulting Numbers: [128] 128,37 unequal: No Solution Exploring Operation: 90-38=52, Resulting Numbers: [52] 52,37 unequal: No Solution Exploring Operation: 90*38=3420, Resulting Numbers: [3420] 3420,37 unequal: No Solution Moving to Node #0,0,2 Current State: 37:[65, 63], Operations: ['26+1=27', '90-27=63'] Exploring Operation: 65-63=2, Resulting Numbers: [2] 2,37 unequal: No Solution Exploring Operation: 65+63=128, Resulting Numbers: [128] 128,37 unequal: No Solution Exploring Operation: 65*63=4095, Resulting Numbers: [4095] 4095,37 unequal: No Solution Moving to Node #0,0,1 Current State: 37:[65, 117], Operations: ['26+1=27', '90+27=117'] Exploring Operation: 117-65=52, Resulting Numbers: [52] 52,37 unequal: No Solution Exploring Operation: 65+117=182, Resulting Numbers: [182] 182,37 unequal: No Solution Exploring Operation: 65*117=7605, Resulting Numbers: [7605] 7605,37 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 37:[1, 90, 39], Operations: ['65-26=39'] Exploring Operation: 90-1=89, Resulting Numbers: [39, 89] Generated Node #0,1,0: 37:[39, 89] Operation: 90-1=89 Exploring Operation: 39-1=38, Resulting Numbers: [90, 38] Generated Node #0,1,1: 37:[90, 38] Operation: 39-1=38 Exploring Operation: 90-39=51, Resulting Numbers: [1, 51] Generated Node #0,1,2: 37:[1, 51] Operation: 90-39=51 Exploring Operation: 1*90=90, Resulting Numbers: [39, 90] Generated Node #0,1,3: 37:[39, 90] Operation: 1*90=90 Moving to Node #0,1,2 Current State: 37:[1, 51], Operations: ['65-26=39', '90-39=51'] Exploring Operation: 51/1=51, Resulting Numbers: [51] 51,37 unequal: No Solution Exploring Operation: 1*51=51, Resulting Numbers: [51] 51,37 unequal: No Solution Exploring Operation: 51-1=50, Resulting Numbers: [50] 50,37 unequal: No Solution Exploring Operation: 1+51=52, Resulting Numbers: [52] 52,37 unequal: No Solution Moving to Node #0,1,1 Current State: 37:[90, 38], Operations: ['65-26=39', '39-1=38'] Exploring Operation: 90*38=3420, Resulting Numbers: [3420] 3420,37 unequal: No Solution Exploring Operation: 90-38=52, Resulting Numbers: [52] 52,37 unequal: No Solution Exploring Operation: 90+38=128, Resulting Numbers: [128] 128,37 unequal: No Solution Moving to Node #0,1,0 Current State: 37:[39, 89], Operations: ['65-26=39', '90-1=89'] Exploring Operation: 89-39=50, Resulting Numbers: [50] 50,37 unequal: No Solution Exploring Operation: 39+89=128, Resulting Numbers: [128] 128,37 unequal: No Solution Exploring Operation: 39*89=3471, Resulting Numbers: [3471] 3471,37 unequal: No Solution Moving to Node #0,1,3 Current State: 37:[39, 90], Operations: ['65-26=39', '1*90=90'] Exploring Operation: 39*90=3510, Resulting Numbers: [3510] 3510,37 unequal: No Solution Exploring Operation: 90-39=51, Resulting Numbers: [51] 51,37 unequal: No Solution Exploring Operation: 39+90=129, Resulting Numbers: [129] 129,37 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 37:[1, 65, 64], Operations: ['90-26=64'] Exploring Operation: 65/1=65, Resulting Numbers: [64, 65] Generated Node #0,3,0: 37:[64, 65] Operation: 65/1=65 Exploring Operation: 1*65=65, Resulting Numbers: [64, 65] Generated Node #0,3,1: 37:[64, 65] Operation: 1*65=65 Exploring Operation: 64-1=63, Resulting Numbers: [65, 63] Generated Node #0,3,2: 37:[65, 63] Operation: 64-1=63 Exploring Operation: 65-1=64, Resulting Numbers: [64, 64] Generated Node #0,3,3: 37:[64, 64] Operation: 65-1=64 Moving to Node #0,3,2 Current State: 37:[65, 63], Operations: ['90-26=64', '64-1=63'] Exploring Operation: 65-63=2, Resulting Numbers: [2] 2,37 unequal: No Solution Exploring Operation: 65+63=128, Resulting Numbers: [128] 128,37 unequal: No Solution Exploring Operation: 65*63=4095, Resulting Numbers: [4095] 4095,37 unequal: No Solution Moving to Node #0,3,3 Current State: 37:[64, 64], Operations: ['90-26=64', '65-1=64'] Exploring Operation: 64+64=128, Resulting Numbers: [128] 128,37 unequal: No Solution Exploring Operation: 64/64=1, Resulting Numbers: [1] 1,37 unequal: No Solution Exploring Operation: 64-64=0, Resulting Numbers: [0] 0,37 unequal: No Solution Exploring Operation: 64*64=4096, Resulting Numbers: [4096] 4096,37 unequal: No Solution Moving to Node #0,3,1 Current State: 37:[64, 65], Operations: ['90-26=64', '1*65=65'] Exploring Operation: 64*65=4160, Resulting Numbers: [4160] 4160,37 unequal: No Solution Exploring Operation: 64+65=129, Resulting Numbers: [129] 129,37 unequal: No Solution Exploring Operation: 65-64=1, Resulting Numbers: [1] 1,37 unequal: No Solution Moving to Node #0,3,0 Current State: 37:[64, 65], Operations: ['90-26=64', '65/1=65'] Exploring Operation: 65-64=1, Resulting Numbers: [1] 1,37 unequal: No Solution Exploring Operation: 64+65=129, Resulting Numbers: [129] 129,37 unequal: No Solution Exploring Operation: 64*65=4160, Resulting Numbers: [4160] 4160,37 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
mult_heuristic
[ 53, 33, 35, 5 ]
31
[ "53-33=20", "20/5=4", "35-4=31" ]
Current State: 31:[53, 33, 35, 5], Operations: [] Exploring Operation: 53-33=20, Resulting Numbers: [35, 5, 20] Generated Node #2: [35, 5, 20] from Operation: 53-33=20 Current State: 31:[35, 5, 20], Operations: ['53-33=20'] Exploring Operation: 20/5=4, Resulting Numbers: [35, 4] Generated Node #3: [35, 4] from Operation: 20/5=4 Current State: 31:[35, 4], Operations: ['53-33=20', '20/5=4'] Exploring Operation: 35-4=31, Resulting Numbers: [31] 31,31 equal: Goal Reached
4
Current State: 31:[53, 33, 35, 5], Operations: [] Exploring Operation: 53+5=58, Resulting Numbers: [33, 35, 58] Generated Node #0,0: 31:[33, 35, 58] Operation: 53+5=58 Exploring Operation: 35-5=30, Resulting Numbers: [53, 33, 30] Generated Node #0,1: 31:[53, 33, 30] Operation: 35-5=30 Exploring Operation: 53-5=48, Resulting Numbers: [33, 35, 48] Generated Node #0,2: 31:[33, 35, 48] Operation: 53-5=48 Exploring Operation: 33+5=38, Resulting Numbers: [53, 35, 38] Generated Node #0,3: 31:[53, 35, 38] Operation: 33+5=38 Exploring Operation: 33-5=28, Resulting Numbers: [53, 35, 28] Generated Node #0,4: 31:[53, 35, 28] Operation: 33-5=28 Moving to Node #0,2 Current State: 31:[33, 35, 48], Operations: ['53-5=48'] Exploring Operation: 33+35=68, Resulting Numbers: [48, 68] Generated Node #0,2,0: 31:[48, 68] Operation: 33+35=68 Exploring Operation: 35-33=2, Resulting Numbers: [48, 2] Generated Node #0,2,1: 31:[48, 2] Operation: 35-33=2 Exploring Operation: 33+48=81, Resulting Numbers: [35, 81] Generated Node #0,2,2: 31:[35, 81] Operation: 33+48=81 Exploring Operation: 48-35=13, Resulting Numbers: [33, 13] Generated Node #0,2,3: 31:[33, 13] Operation: 48-35=13 Exploring Operation: 48-33=15, Resulting Numbers: [35, 15] Generated Node #0,2,4: 31:[35, 15] Operation: 48-33=15 Moving to Node #0,1 Current State: 31:[53, 33, 30], Operations: ['35-5=30'] Exploring Operation: 33-30=3, Resulting Numbers: [53, 3] Generated Node #0,1,0: 31:[53, 3] Operation: 33-30=3 Exploring Operation: 33+30=63, Resulting Numbers: [53, 63] Generated Node #0,1,1: 31:[53, 63] Operation: 33+30=63 Exploring Operation: 53-30=23, Resulting Numbers: [33, 23] Generated Node #0,1,2: 31:[33, 23] Operation: 53-30=23 Exploring Operation: 53-33=20, Resulting Numbers: [30, 20] Generated Node #0,1,3: 31:[30, 20] Operation: 53-33=20 Exploring Operation: 53+30=83, Resulting Numbers: [33, 83] Generated Node #0,1,4: 31:[33, 83] Operation: 53+30=83 Moving to Node #0,4 Current State: 31:[53, 35, 28], Operations: ['33-5=28'] Exploring Operation: 53+28=81, Resulting Numbers: [35, 81] Generated Node #0,4,0: 31:[35, 81] Operation: 53+28=81 Exploring Operation: 53-35=18, Resulting Numbers: [28, 18] Generated Node #0,4,1: 31:[28, 18] Operation: 53-35=18 Exploring Operation: 35-28=7, Resulting Numbers: [53, 7] Generated Node #0,4,2: 31:[53, 7] Operation: 35-28=7 Exploring Operation: 53-28=25, Resulting Numbers: [35, 25] Generated Node #0,4,3: 31:[35, 25] Operation: 53-28=25 Exploring Operation: 35+28=63, Resulting Numbers: [53, 63] Generated Node #0,4,4: 31:[53, 63] Operation: 35+28=63 Moving to Node #0,0 Current State: 31:[33, 35, 58], Operations: ['53+5=58'] Exploring Operation: 33+58=91, Resulting Numbers: [35, 91] Generated Node #0,0,0: 31:[35, 91] Operation: 33+58=91 Exploring Operation: 58-33=25, Resulting Numbers: [35, 25] Generated Node #0,0,1: 31:[35, 25] Operation: 58-33=25 Exploring Operation: 35-33=2, Resulting Numbers: [58, 2] Generated Node #0,0,2: 31:[58, 2] Operation: 35-33=2 Exploring Operation: 33+35=68, Resulting Numbers: [58, 68] Generated Node #0,0,3: 31:[58, 68] Operation: 33+35=68 Exploring Operation: 58-35=23, Resulting Numbers: [33, 23] Generated Node #0,0,4: 31:[33, 23] Operation: 58-35=23 Moving to Node #0,3 Current State: 31:[53, 35, 38], Operations: ['33+5=38'] Exploring Operation: 53+38=91, Resulting Numbers: [35, 91] Generated Node #0,3,0: 31:[35, 91] Operation: 53+38=91 Exploring Operation: 53-38=15, Resulting Numbers: [35, 15] Generated Node #0,3,1: 31:[35, 15] Operation: 53-38=15 Exploring Operation: 53+35=88, Resulting Numbers: [38, 88] Generated Node #0,3,2: 31:[38, 88] Operation: 53+35=88 Exploring Operation: 38-35=3, Resulting Numbers: [53, 3] Generated Node #0,3,3: 31:[53, 3] Operation: 38-35=3 Exploring Operation: 53-35=18, Resulting Numbers: [38, 18] Generated Node #0,3,4: 31:[38, 18] Operation: 53-35=18 Moving to Node #0,1,2 Current State: 31:[33, 23], Operations: ['35-5=30', '53-30=23'] Exploring Operation: 33*23=759, Resulting Numbers: [759] 759,31 unequal: No Solution Exploring Operation: 33-23=10, Resulting Numbers: [10] 10,31 unequal: No Solution Exploring Operation: 33+23=56, Resulting Numbers: [56] 56,31 unequal: No Solution Moving to Node #0,4,3 Current State: 31:[35, 25], Operations: ['33-5=28', '53-28=25'] Exploring Operation: 35*25=875, Resulting Numbers: [875] 875,31 unequal: No Solution Exploring Operation: 35+25=60, Resulting Numbers: [60] 60,31 unequal: No Solution Exploring Operation: 35-25=10, Resulting Numbers: [10] 10,31 unequal: No Solution Moving to Node #0,0,1 Current State: 31:[35, 25], Operations: ['53+5=58', '58-33=25'] Exploring Operation: 35*25=875, Resulting Numbers: [875] 875,31 unequal: No Solution Exploring Operation: 35-25=10, Resulting Numbers: [10] 10,31 unequal: No Solution Exploring Operation: 35+25=60, Resulting Numbers: [60] 60,31 unequal: No Solution Moving to Node #0,0,4 Current State: 31:[33, 23], Operations: ['53+5=58', '58-35=23'] Exploring Operation: 33-23=10, Resulting Numbers: [10] 10,31 unequal: No Solution Exploring Operation: 33+23=56, Resulting Numbers: [56] 56,31 unequal: No Solution Exploring Operation: 33*23=759, Resulting Numbers: [759] 759,31 unequal: No Solution Moving to Node #0,1,3 Current State: 31:[30, 20], Operations: ['35-5=30', '53-33=20'] Exploring Operation: 30+20=50, Resulting Numbers: [50] 50,31 unequal: No Solution Exploring Operation: 30*20=600, Resulting Numbers: [600] 600,31 unequal: No Solution Exploring Operation: 30-20=10, Resulting Numbers: [10] 10,31 unequal: No Solution Moving to Node #0,4,1 Current State: 31:[28, 18], Operations: ['33-5=28', '53-35=18'] Exploring Operation: 28+18=46, Resulting Numbers: [46] 46,31 unequal: No Solution Exploring Operation: 28-18=10, Resulting Numbers: [10] 10,31 unequal: No Solution Exploring Operation: 28*18=504, Resulting Numbers: [504] 504,31 unequal: No Solution Moving to Node #0,2,3 Current State: 31:[33, 13], Operations: ['53-5=48', '48-35=13'] Exploring Operation: 33-13=20, Resulting Numbers: [20] 20,31 unequal: No Solution Exploring Operation: 33*13=429, Resulting Numbers: [429] 429,31 unequal: No Solution Exploring Operation: 33+13=46, Resulting Numbers: [46] 46,31 unequal: No Solution Moving to Node #0,2,4 Current State: 31:[35, 15], Operations: ['53-5=48', '48-33=15'] Exploring Operation: 35+15=50, Resulting Numbers: [50] 50,31 unequal: No Solution Exploring Operation: 35-15=20, Resulting Numbers: [20] 20,31 unequal: No Solution Exploring Operation: 35*15=525, Resulting Numbers: [525] 525,31 unequal: No Solution Moving to Node #0,3,4 Current State: 31:[38, 18], Operations: ['33+5=38', '53-35=18'] Exploring Operation: 38-18=20, Resulting Numbers: [20] 20,31 unequal: No Solution Exploring Operation: 38+18=56, Resulting Numbers: [56] 56,31 unequal: No Solution Exploring Operation: 38*18=684, Resulting Numbers: [684] 684,31 unequal: No Solution Moving to Node #0,3,1 Current State: 31:[35, 15], Operations: ['33+5=38', '53-38=15'] Exploring Operation: 35+15=50, Resulting Numbers: [50] 50,31 unequal: No Solution Exploring Operation: 35-15=20, Resulting Numbers: [20] 20,31 unequal: No Solution Exploring Operation: 35*15=525, Resulting Numbers: [525] 525,31 unequal: No Solution Moving to Node #0,4,2 Current State: 31:[53, 7], Operations: ['33-5=28', '35-28=7'] Exploring Operation: 53+7=60, Resulting Numbers: [60] 60,31 unequal: No Solution Exploring Operation: 53-7=46, Resulting Numbers: [46] 46,31 unequal: No Solution Exploring Operation: 53*7=371, Resulting Numbers: [371] 371,31 unequal: No Solution Moving to Node #0,2,1 Current State: 31:[48, 2], Operations: ['53-5=48', '35-33=2'] Exploring Operation: 48+2=50, Resulting Numbers: [50] 50,31 unequal: No Solution Exploring Operation: 48*2=96, Resulting Numbers: [96] 96,31 unequal: No Solution Exploring Operation: 48/2=24, Resulting Numbers: [24] 24,31 unequal: No Solution Exploring Operation: 48-2=46, Resulting Numbers: [46] 46,31 unequal: No Solution Moving to Node #0,3,3 Current State: 31:[53, 3], Operations: ['33+5=38', '38-35=3'] Exploring Operation: 53*3=159, Resulting Numbers: [159] 159,31 unequal: No Solution Exploring Operation: 53-3=50, Resulting Numbers: [50] 50,31 unequal: No Solution Exploring Operation: 53+3=56, Resulting Numbers: [56] 56,31 unequal: No Solution Moving to Node #0,1,0 Current State: 31:[53, 3], Operations: ['35-5=30', '33-30=3'] Exploring Operation: 53*3=159, Resulting Numbers: [159] 159,31 unequal: No Solution Exploring Operation: 53+3=56, Resulting Numbers: [56] 56,31 unequal: No Solution Exploring Operation: 53-3=50, Resulting Numbers: [50] 50,31 unequal: No Solution Moving to Node #0,4,4 Current State: 31:[53, 63], Operations: ['33-5=28', '35+28=63'] Exploring Operation: 63-53=10, Resulting Numbers: [10] 10,31 unequal: No Solution Exploring Operation: 53+63=116, Resulting Numbers: [116] 116,31 unequal: No Solution Exploring Operation: 53*63=3339, Resulting Numbers: [3339] 3339,31 unequal: No Solution Moving to Node #0,4,0 Current State: 31:[35, 81], Operations: ['33-5=28', '53+28=81'] Exploring Operation: 35+81=116, Resulting Numbers: [116] 116,31 unequal: No Solution Exploring Operation: 35*81=2835, Resulting Numbers: [2835] 2835,31 unequal: No Solution Exploring Operation: 81-35=46, Resulting Numbers: [46] 46,31 unequal: No Solution Moving to Node #0,2,2 Current State: 31:[35, 81], Operations: ['53-5=48', '33+48=81'] Exploring Operation: 35+81=116, Resulting Numbers: [116] 116,31 unequal: No Solution Exploring Operation: 35*81=2835, Resulting Numbers: [2835] 2835,31 unequal: No Solution Exploring Operation: 81-35=46, Resulting Numbers: [46] 46,31 unequal: No Solution Moving to Node #0,1,1 Current State: 31:[53, 63], Operations: ['35-5=30', '33+30=63'] Exploring Operation: 53+63=116, Resulting Numbers: [116] 116,31 unequal: No Solution Exploring Operation: 53*63=3339, Resulting Numbers: [3339] 3339,31 unequal: No Solution Exploring Operation: 63-53=10, Resulting Numbers: [10] 10,31 unequal: No Solution Moving to Node #0,1,4 Current State: 31:[33, 83], Operations: ['35-5=30', '53+30=83'] Exploring Operation: 33+83=116, Resulting Numbers: [116] 116,31 unequal: No Solution Exploring Operation: 33*83=2739, Resulting Numbers: [2739] 2739,31 unequal: No Solution Exploring Operation: 83-33=50, Resulting Numbers: [50] 50,31 unequal: No Solution Moving to Node #0,2,0 Current State: 31:[48, 68], Operations: ['53-5=48', '33+35=68'] Exploring Operation: 48+68=116, Resulting Numbers: [116] 116,31 unequal: No Solution Exploring Operation: 48*68=3264, Resulting Numbers: [3264] 3264,31 unequal: No Solution Exploring Operation: 68-48=20, Resulting Numbers: [20] 20,31 unequal: No Solution Moving to Node #0,0,2 Current State: 31:[58, 2], Operations: ['53+5=58', '35-33=2'] Exploring Operation: 58-2=56, Resulting Numbers: [56] 56,31 unequal: No Solution Exploring Operation: 58/2=29, Resulting Numbers: [29] 29,31 unequal: No Solution Exploring Operation: 58*2=116, Resulting Numbers: [116] 116,31 unequal: No Solution Exploring Operation: 58+2=60, Resulting Numbers: [60] 60,31 unequal: No Solution Moving to Node #0,0,3 Current State: 31:[58, 68], Operations: ['53+5=58', '33+35=68'] Exploring Operation: 58*68=3944, Resulting Numbers: [3944] 3944,31 unequal: No Solution Exploring Operation: 68-58=10, Resulting Numbers: [10] 10,31 unequal: No Solution Exploring Operation: 58+68=126, Resulting Numbers: [126] 126,31 unequal: No Solution Moving to Node #0,3,2 Current State: 31:[38, 88], Operations: ['33+5=38', '53+35=88'] Exploring Operation: 88-38=50, Resulting Numbers: [50] 50,31 unequal: No Solution Exploring Operation: 38+88=126, Resulting Numbers: [126] 126,31 unequal: No Solution Exploring Operation: 38*88=3344, Resulting Numbers: [3344] 3344,31 unequal: No Solution Moving to Node #0,0,0 Current State: 31:[35, 91], Operations: ['53+5=58', '33+58=91'] Exploring Operation: 35*91=3185, Resulting Numbers: [3185] 3185,31 unequal: No Solution Exploring Operation: 91-35=56, Resulting Numbers: [56] 56,31 unequal: No Solution Exploring Operation: 35+91=126, Resulting Numbers: [126] 126,31 unequal: No Solution Moving to Node #0,3,0 Current State: 31:[35, 91], Operations: ['33+5=38', '53+38=91'] Exploring Operation: 91-35=56, Resulting Numbers: [56] 56,31 unequal: No Solution Exploring Operation: 35+91=126, Resulting Numbers: [126] 126,31 unequal: No Solution Exploring Operation: 35*91=3185, Resulting Numbers: [3185] 3185,31 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 8, 71, 1, 16 ]
35
[ "16/8=2", "71-1=70", "70/2=35" ]
Current State: 35:[8, 71, 1, 16], Operations: [] Exploring Operation: 16/8=2, Resulting Numbers: [71, 1, 2] Generated Node #2: [71, 1, 2] from Operation: 16/8=2 Current State: 35:[71, 1, 2], Operations: ['16/8=2'] Exploring Operation: 71-1=70, Resulting Numbers: [2, 70] Generated Node #3: [2, 70] from Operation: 71-1=70 Current State: 35:[2, 70], Operations: ['16/8=2', '71-1=70'] Exploring Operation: 70/2=35, Resulting Numbers: [35] 35,35 equal: Goal Reached
4
Current State: 35:[8, 71, 1, 16], Operations: [] Exploring Operation: 71-16=55, Resulting Numbers: [8, 1, 55] Generated Node #0,0: 35:[8, 1, 55] Operation: 71-16=55 Start Sub Search at level 1: Moving to Node #0,0 Current State: 35:[8, 1, 55], Operations: ['71-16=55'] Exploring Operation: 55-8=47, Resulting Numbers: [1, 47] Generated Node #0,0,0: 35:[1, 47] Operation: 55-8=47 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 35:[1, 47], Operations: ['71-16=55', '55-8=47'] Exploring Operation: 47-1=46, Resulting Numbers: [46] 46,35 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 11, 2, 17, 22 ]
72
[ "11+17=28", "2*22=44", "28+44=72" ]
Current State: 72:[11, 2, 17, 22], Operations: [] Exploring Operation: 11+17=28, Resulting Numbers: [2, 22, 28] Generated Node #2: [2, 22, 28] from Operation: 11+17=28 Current State: 72:[2, 22, 28], Operations: ['11+17=28'] Exploring Operation: 2*22=44, Resulting Numbers: [28, 44] Generated Node #3: [28, 44] from Operation: 2*22=44 Current State: 72:[28, 44], Operations: ['11+17=28', '2*22=44'] Exploring Operation: 28+44=72, Resulting Numbers: [72] 72,72 equal: Goal Reached
4
Current State: 72:[11, 2, 17, 22], Operations: [] Exploring Operation: 22-11=11, Resulting Numbers: [2, 17, 11] Generated Node #0,0: 72:[2, 17, 11] Operation: 22-11=11 Exploring Operation: 17-11=6, Resulting Numbers: [2, 22, 6] Generated Node #0,1: 72:[2, 22, 6] Operation: 17-11=6 Exploring Operation: 22/11=2, Resulting Numbers: [2, 17, 2] Generated Node #0,2: 72:[2, 17, 2] Operation: 22/11=2 Exploring Operation: 2+22=24, Resulting Numbers: [11, 17, 24] Generated Node #0,3: 72:[11, 17, 24] Operation: 2+22=24 Moving to Node #0,2 Current State: 72:[2, 17, 2], Operations: ['22/11=2'] Exploring Operation: 2*2=4, Resulting Numbers: [17, 4] Generated Node #0,2,0: 72:[17, 4] Operation: 2*2=4 Exploring Operation: 2+2=4, Resulting Numbers: [17, 4] Generated Node #0,2,1: 72:[17, 4] Operation: 2+2=4 Exploring Operation: 2+17=19, Resulting Numbers: [2, 19] Generated Node #0,2,2: 72:[2, 19] Operation: 2+17=19 Exploring Operation: 17+2=19, Resulting Numbers: [2, 19] Generated Node #0,2,3: 72:[2, 19] Operation: 17+2=19 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 72:[17, 4], Operations: ['22/11=2', '2*2=4'] Exploring Operation: 17*4=68, Resulting Numbers: [68] 68,72 unequal: No Solution Exploring Operation: 17+4=21, Resulting Numbers: [21] 21,72 unequal: No Solution Exploring Operation: 17-4=13, Resulting Numbers: [13] 13,72 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:[17, 4], Operations: ['22/11=2', '2+2=4'] Exploring Operation: 17-4=13, Resulting Numbers: [13] 13,72 unequal: No Solution Exploring Operation: 17*4=68, Resulting Numbers: [68] 68,72 unequal: No Solution Exploring Operation: 17+4=21, Resulting Numbers: [21] 21,72 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:[2, 19], Operations: ['22/11=2', '2+17=19'] Exploring Operation: 19-2=17, Resulting Numbers: [17] 17,72 unequal: No Solution Exploring Operation: 2+19=21, Resulting Numbers: [21] 21,72 unequal: No Solution Exploring Operation: 2*19=38, Resulting Numbers: [38] 38,72 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:[2, 19], Operations: ['22/11=2', '17+2=19'] Exploring Operation: 2+19=21, Resulting Numbers: [21] 21,72 unequal: No Solution Exploring Operation: 19-2=17, Resulting Numbers: [17] 17,72 unequal: No Solution Exploring Operation: 2*19=38, Resulting Numbers: [38] 38,72 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:[2, 22, 6], Operations: ['17-11=6'] Exploring Operation: 2+6=8, Resulting Numbers: [22, 8] Generated Node #0,1,0: 72:[22, 8] Operation: 2+6=8 Exploring Operation: 22-2=20, Resulting Numbers: [6, 20] Generated Node #0,1,1: 72:[6, 20] Operation: 22-2=20 Exploring Operation: 2+22=24, Resulting Numbers: [6, 24] Generated Node #0,1,2: 72:[6, 24] Operation: 2+22=24 Exploring Operation: 22/2=11, Resulting Numbers: [6, 11] Generated Node #0,1,3: 72:[6, 11] Operation: 22/2=11 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 72:[6, 24], Operations: ['17-11=6', '2+22=24'] Exploring Operation: 24-6=18, Resulting Numbers: [18] 18,72 unequal: No Solution Exploring Operation: 6*24=144, Resulting Numbers: [144] 144,72 unequal: No Solution Exploring Operation: 24/6=4, Resulting Numbers: [4] 4,72 unequal: No Solution Exploring Operation: 6+24=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 #0,1,3 Current State: 72:[6, 11], Operations: ['17-11=6', '22/2=11'] Exploring Operation: 6*11=66, Resulting Numbers: [66] 66,72 unequal: No Solution Exploring Operation: 6+11=17, Resulting Numbers: [17] 17,72 unequal: No Solution Exploring Operation: 11-6=5, Resulting Numbers: [5] 5,72 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 72:[22, 8], Operations: ['17-11=6', '2+6=8'] Exploring Operation: 22-8=14, Resulting Numbers: [14] 14,72 unequal: No Solution Exploring Operation: 22+8=30, Resulting Numbers: [30] 30,72 unequal: No Solution Exploring Operation: 22*8=176, Resulting Numbers: [176] 176,72 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 72:[6, 20], Operations: ['17-11=6', '22-2=20'] Exploring Operation: 6*20=120, Resulting Numbers: [120] 120,72 unequal: No Solution Exploring Operation: 6+20=26, Resulting Numbers: [26] 26,72 unequal: No Solution Exploring Operation: 20-6=14, Resulting Numbers: [14] 14,72 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 72:[2, 17, 11], Operations: ['22-11=11'] Exploring Operation: 2+17=19, Resulting Numbers: [11, 19] Generated Node #0,0,0: 72:[11, 19] Operation: 2+17=19 Exploring Operation: 11-2=9, Resulting Numbers: [17, 9] Generated Node #0,0,1: 72:[17, 9] Operation: 11-2=9 Exploring Operation: 17-11=6, Resulting Numbers: [2, 6] Generated Node #0,0,2: 72:[2, 6] Operation: 17-11=6 Exploring Operation: 2+11=13, Resulting Numbers: [17, 13] Generated Node #0,0,3: 72:[17, 13] Operation: 2+11=13 Moving to Node #0,3 Current State: 72:[11, 17, 24], Operations: ['2+22=24'] Exploring Operation: 24-17=7, Resulting Numbers: [11, 7] Generated Node #0,3,0: 72:[11, 7] Operation: 24-17=7 Exploring Operation: 24-11=13, Resulting Numbers: [17, 13] Generated Node #0,3,1: 72:[17, 13] Operation: 24-11=13 Exploring Operation: 17-11=6, Resulting Numbers: [24, 6] Generated Node #0,3,2: 72:[24, 6] Operation: 17-11=6 Exploring Operation: 11+24=35, Resulting Numbers: [17, 35] Generated Node #0,3,3: 72:[17, 35] Operation: 11+24=35 Moving to Node #0,0,2 Current State: 72:[2, 6], Operations: ['22-11=11', '17-11=6'] Exploring Operation: 6/2=3, Resulting Numbers: [3] 3,72 unequal: No Solution Exploring Operation: 6-2=4, Resulting Numbers: [4] 4,72 unequal: No Solution Exploring Operation: 2*6=12, Resulting Numbers: [12] 12,72 unequal: No Solution Exploring Operation: 2+6=8, Resulting Numbers: [8] 8,72 unequal: No Solution Moving to Node #0,3,2 Current State: 72:[24, 6], Operations: ['2+22=24', '17-11=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 #0,0,1 Current State: 72:[17, 9], Operations: ['22-11=11', '11-2=9'] Exploring Operation: 17+9=26, Resulting Numbers: [26] 26,72 unequal: No Solution Exploring Operation: 17*9=153, Resulting Numbers: [153] 153,72 unequal: No Solution Exploring Operation: 17-9=8, Resulting Numbers: [8] 8,72 unequal: No Solution Moving to Node #0,0,0 Current State: 72:[11, 19], Operations: ['22-11=11', '2+17=19'] Exploring Operation: 19-11=8, Resulting Numbers: [8] 8,72 unequal: No Solution Exploring Operation: 11*19=209, Resulting Numbers: [209] 209,72 unequal: No Solution Exploring Operation: 11+19=30, Resulting Numbers: [30] 30,72 unequal: No Solution Moving to Node #0,3,0 Current State: 72:[11, 7], Operations: ['2+22=24', '24-17=7'] Exploring Operation: 11*7=77, Resulting Numbers: [77] 77,72 unequal: No Solution Exploring Operation: 11-7=4, Resulting Numbers: [4] 4,72 unequal: No Solution Exploring Operation: 11+7=18, Resulting Numbers: [18] 18,72 unequal: No Solution Moving to Node #0,3,1 Current State: 72:[17, 13], Operations: ['2+22=24', '24-11=13'] Exploring Operation: 17*13=221, Resulting Numbers: [221] 221,72 unequal: No Solution Exploring Operation: 17-13=4, Resulting Numbers: [4] 4,72 unequal: No Solution Exploring Operation: 17+13=30, Resulting Numbers: [30] 30,72 unequal: No Solution Moving to Node #0,3,3 Current State: 72:[17, 35], Operations: ['2+22=24', '11+24=35'] Exploring Operation: 35-17=18, Resulting Numbers: [18] 18,72 unequal: No Solution Exploring Operation: 17*35=595, Resulting Numbers: [595] 595,72 unequal: No Solution Exploring Operation: 17+35=52, Resulting Numbers: [52] 52,72 unequal: No Solution Moving to Node #0,0,3 Current State: 72:[17, 13], Operations: ['22-11=11', '2+11=13'] Exploring Operation: 17*13=221, Resulting Numbers: [221] 221,72 unequal: No Solution Exploring Operation: 17-13=4, Resulting Numbers: [4] 4,72 unequal: No Solution Exploring Operation: 17+13=30, Resulting Numbers: [30] 30,72 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 24, 33, 8, 6 ]
21
[ "24/6=4", "33-8=25", "25-4=21" ]
Current State: 21:[24, 33, 8, 6], Operations: [] Exploring Operation: 24/6=4, Resulting Numbers: [33, 8, 4] Generated Node #2: [33, 8, 4] from Operation: 24/6=4 Current State: 21:[33, 8, 4], Operations: ['24/6=4'] Exploring Operation: 33-8=25, Resulting Numbers: [4, 25] Generated Node #3: [4, 25] from Operation: 33-8=25 Current State: 21:[4, 25], Operations: ['24/6=4', '33-8=25'] Exploring Operation: 25-4=21, Resulting Numbers: [21] 21,21 equal: Goal Reached
4
Current State: 21:[24, 33, 8, 6], Operations: [] Exploring Operation: 33-24=9, Resulting Numbers: [8, 6, 9] Generated Node #0,0: 21:[8, 6, 9] Operation: 33-24=9 Exploring Operation: 33-8=25, Resulting Numbers: [24, 6, 25] Generated Node #0,1: 21:[24, 6, 25] Operation: 33-8=25 Exploring Operation: 24/6=4, Resulting Numbers: [33, 8, 4] Generated Node #0,2: 21:[33, 8, 4] Operation: 24/6=4 Exploring Operation: 33-6=27, Resulting Numbers: [24, 8, 27] Generated Node #0,3: 21:[24, 8, 27] Operation: 33-6=27 Exploring Operation: 24/8=3, Resulting Numbers: [33, 6, 3] Generated Node #0,4: 21:[33, 6, 3] Operation: 24/8=3 Start Sub Search at level 1: Moving to Node #0,0 Current State: 21:[8, 6, 9], Operations: ['33-24=9'] Exploring Operation: 6+9=15, Resulting Numbers: [8, 15] Generated Node #0,0,0: 21:[8, 15] Operation: 6+9=15 Exploring Operation: 9-8=1, Resulting Numbers: [6, 1] Generated Node #0,0,1: 21:[6, 1] Operation: 9-8=1 Exploring Operation: 9-6=3, Resulting Numbers: [8, 3] Generated Node #0,0,2: 21:[8, 3] Operation: 9-6=3 Exploring Operation: 8+9=17, Resulting Numbers: [6, 17] Generated Node #0,0,3: 21:[6, 17] Operation: 8+9=17 Exploring Operation: 8-6=2, Resulting Numbers: [9, 2] Generated Node #0,0,4: 21:[9, 2] Operation: 8-6=2 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 21:[8, 3], Operations: ['33-24=9', '9-6=3'] Exploring Operation: 8*3=24, Resulting Numbers: [24] 24,21 unequal: No Solution Exploring Operation: 8-3=5, Resulting Numbers: [5] 5,21 unequal: No Solution Exploring Operation: 8+3=11, Resulting Numbers: [11] 11,21 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 21:[6, 1], Operations: ['33-24=9', '9-8=1'] Exploring Operation: 6*1=6, Resulting Numbers: [6] 6,21 unequal: No Solution Exploring Operation: 6-1=5, Resulting Numbers: [5] 5,21 unequal: No Solution Exploring Operation: 6+1=7, Resulting Numbers: [7] 7,21 unequal: No Solution Exploring Operation: 6/1=6, Resulting Numbers: [6] 6,21 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 21:[9, 2], Operations: ['33-24=9', '8-6=2'] Exploring Operation: 9-2=7, Resulting Numbers: [7] 7,21 unequal: No Solution Exploring Operation: 9+2=11, Resulting Numbers: [11] 11,21 unequal: No Solution Exploring Operation: 9*2=18, Resulting Numbers: [18] 18,21 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 21:[6, 17], Operations: ['33-24=9', '8+9=17'] Exploring Operation: 6*17=102, Resulting Numbers: [102] 102,21 unequal: No Solution Exploring Operation: 17-6=11, Resulting Numbers: [11] 11,21 unequal: No Solution Exploring Operation: 6+17=23, Resulting Numbers: [23] 23,21 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 21:[8, 15], Operations: ['33-24=9', '6+9=15'] Exploring Operation: 8*15=120, Resulting Numbers: [120] 120,21 unequal: No Solution Exploring Operation: 8+15=23, Resulting Numbers: [23] 23,21 unequal: No Solution Exploring Operation: 15-8=7, Resulting Numbers: [7] 7,21 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 21:[24, 6, 25], Operations: ['33-8=25'] Exploring Operation: 25-6=19, Resulting Numbers: [24, 19] Generated Node #0,1,0: 21:[24, 19] Operation: 25-6=19 Exploring Operation: 24-6=18, Resulting Numbers: [25, 18] Generated Node #0,1,1: 21:[25, 18] Operation: 24-6=18 Exploring Operation: 24+6=30, Resulting Numbers: [25, 30] Generated Node #0,1,2: 21:[25, 30] Operation: 24+6=30 Exploring Operation: 25-24=1, Resulting Numbers: [6, 1] Generated Node #0,1,3: 21:[6, 1] Operation: 25-24=1 Exploring Operation: 24/6=4, Resulting Numbers: [25, 4] Generated Node #0,1,4: 21:[25, 4] Operation: 24/6=4 Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 21:[6, 1], Operations: ['33-8=25', '25-24=1'] Exploring Operation: 6*1=6, Resulting Numbers: [6] 6,21 unequal: No Solution Exploring Operation: 6+1=7, Resulting Numbers: [7] 7,21 unequal: No Solution Exploring Operation: 6-1=5, Resulting Numbers: [5] 5,21 unequal: No Solution Exploring Operation: 6/1=6, Resulting Numbers: [6] 6,21 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 21:[24, 19], Operations: ['33-8=25', '25-6=19'] Exploring Operation: 24+19=43, Resulting Numbers: [43] 43,21 unequal: No Solution Exploring Operation: 24*19=456, Resulting Numbers: [456] 456,21 unequal: No Solution Exploring Operation: 24-19=5, Resulting Numbers: [5] 5,21 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 21:[25, 4], Operations: ['33-8=25', '24/6=4'] Exploring Operation: 25-4=21, Resulting Numbers: [21] 21,21 equal: Goal Reached Moving to Node #0 Current State: 21:[24, 33, 8, 6], Operations: [] Exploring Operation: 33-8=25, Resulting Numbers: [24, 6, 25] Generated Node #0,1: 21:[24, 6, 25] Operation: 33-8=25 Moving to Node #0,1 Current State: 21:[24, 6, 25], Operations: ['33-8=25'] Exploring Operation: 24/6=4, Resulting Numbers: [25, 4] Generated Node #0,1,4: 21:[25, 4] Operation: 24/6=4 Moving to Node #0,1,4 Current State: 21:[25, 4], Operations: ['33-8=25', '24/6=4'] Exploring Operation: 25-4=21, Resulting Numbers: [21] 21,21 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.962674
hs_5
mult_heuristic
[ 29, 6, 37, 51 ]
49
[ "29+6=35", "51-37=14", "35+14=49" ]
Current State: 49:[29, 6, 37, 51], Operations: [] Exploring Operation: 29+6=35, Resulting Numbers: [37, 51, 35] Generated Node #2: [37, 51, 35] from Operation: 29+6=35 Current State: 49:[37, 51, 35], Operations: ['29+6=35'] Exploring Operation: 51-37=14, Resulting Numbers: [35, 14] Generated Node #3: [35, 14] from Operation: 51-37=14 Current State: 49:[35, 14], Operations: ['29+6=35', '51-37=14'] Exploring Operation: 35+14=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
4
Current State: 49:[29, 6, 37, 51], Operations: [] Exploring Operation: 29+37=66, Resulting Numbers: [6, 51, 66] Generated Node #0,0: 49:[6, 51, 66] Operation: 29+37=66 Exploring Operation: 29+6=35, Resulting Numbers: [37, 51, 35] Generated Node #0,1: 49:[37, 51, 35] Operation: 29+6=35 Exploring Operation: 51-29=22, Resulting Numbers: [6, 37, 22] Generated Node #0,2: 49:[6, 37, 22] Operation: 51-29=22 Exploring Operation: 37-29=8, Resulting Numbers: [6, 51, 8] Generated Node #0,3: 49:[6, 51, 8] Operation: 37-29=8 Exploring Operation: 6+37=43, Resulting Numbers: [29, 51, 43] Generated Node #0,4: 49:[29, 51, 43] Operation: 6+37=43 Start Sub Search at level 1: Moving to Node #0,3 Current State: 49:[6, 51, 8], Operations: ['37-29=8'] Exploring Operation: 51-6=45, Resulting Numbers: [8, 45] Generated Node #0,3,0: 49:[8, 45] Operation: 51-6=45 Exploring Operation: 6+51=57, Resulting Numbers: [8, 57] Generated Node #0,3,1: 49:[8, 57] Operation: 6+51=57 Exploring Operation: 6*8=48, Resulting Numbers: [51, 48] Generated Node #0,3,2: 49:[51, 48] Operation: 6*8=48 Exploring Operation: 8-6=2, Resulting Numbers: [51, 2] Generated Node #0,3,3: 49:[51, 2] Operation: 8-6=2 Exploring Operation: 51-8=43, Resulting Numbers: [6, 43] Generated Node #0,3,4: 49:[6, 43] Operation: 51-8=43 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 49:[51, 48], Operations: ['37-29=8', '6*8=48'] Exploring Operation: 51-48=3, Resulting Numbers: [3] 3,49 unequal: No Solution Exploring Operation: 51+48=99, Resulting Numbers: [99] 99,49 unequal: No Solution Exploring Operation: 51*48=2448, Resulting Numbers: [2448] 2448,49 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 49:[8, 45], Operations: ['37-29=8', '51-6=45'] Exploring Operation: 8+45=53, Resulting Numbers: [53] 53,49 unequal: No Solution Exploring Operation: 8*45=360, Resulting Numbers: [360] 360,49 unequal: No Solution Exploring Operation: 45-8=37, Resulting Numbers: [37] 37,49 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 49:[51, 2], Operations: ['37-29=8', '8-6=2'] Exploring Operation: 51*2=102, Resulting Numbers: [102] 102,49 unequal: No Solution Exploring Operation: 51+2=53, Resulting Numbers: [53] 53,49 unequal: No Solution Exploring Operation: 51-2=49, Resulting Numbers: [49] 49,49 equal: Goal Reached Moving to Node #0 Current State: 49:[29, 6, 37, 51], Operations: [] Exploring Operation: 37-29=8, Resulting Numbers: [6, 51, 8] Generated Node #0,3: 49:[6, 51, 8] Operation: 37-29=8 Moving to Node #0,3 Current State: 49:[6, 51, 8], Operations: ['37-29=8'] Exploring Operation: 8-6=2, Resulting Numbers: [51, 2] Generated Node #0,3,3: 49:[51, 2] Operation: 8-6=2 Moving to Node #0,3,3 Current State: 49:[51, 2], Operations: ['37-29=8', '8-6=2'] Exploring Operation: 51-2=49, Resulting Numbers: [49] 49,49 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.980035
hs_5
sum_heuristic
[ 5, 36, 44, 9 ]
27
[ "5+36=41", "44-41=3", "9*3=27" ]
Current State: 27:[5, 36, 44, 9], Operations: [] Exploring Operation: 5+36=41, Resulting Numbers: [44, 9, 41] Generated Node #2: [44, 9, 41] from Operation: 5+36=41 Current State: 27:[44, 9, 41], Operations: ['5+36=41'] Exploring Operation: 44-41=3, Resulting Numbers: [9, 3] Generated Node #3: [9, 3] from Operation: 44-41=3 Current State: 27:[9, 3], Operations: ['5+36=41', '44-41=3'] Exploring Operation: 9*3=27, Resulting Numbers: [27] 27,27 equal: Goal Reached
4
Current State: 27:[5, 36, 44, 9], Operations: [] Exploring Operation: 44-36=8, Resulting Numbers: [5, 9, 8] Generated Node #0,0: 27:[5, 9, 8] Operation: 44-36=8 Exploring Operation: 44-9=35, Resulting Numbers: [5, 36, 35] Generated Node #0,1: 27:[5, 36, 35] Operation: 44-9=35 Exploring Operation: 36-9=27, Resulting Numbers: [5, 44, 27] Generated Node #0,2: 27:[5, 44, 27] Operation: 36-9=27 Moving to Node #0,0 Current State: 27:[5, 9, 8], Operations: ['44-36=8'] Exploring Operation: 5+8=13, Resulting Numbers: [9, 13] Generated Node #0,0,0: 27:[9, 13] Operation: 5+8=13 Exploring Operation: 9-5=4, Resulting Numbers: [8, 4] Generated Node #0,0,1: 27:[8, 4] Operation: 9-5=4 Exploring Operation: 8-5=3, Resulting Numbers: [9, 3] Generated Node #0,0,2: 27:[9, 3] Operation: 8-5=3 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 27:[9, 3], Operations: ['44-36=8', '8-5=3'] Exploring Operation: 9+3=12, Resulting Numbers: [12] 12,27 unequal: No Solution Exploring Operation: 9/3=3, Resulting Numbers: [3] 3,27 unequal: No Solution Exploring Operation: 9*3=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Moving to Node #0 Current State: 27:[5, 36, 44, 9], Operations: [] Exploring Operation: 44-36=8, Resulting Numbers: [5, 9, 8] Generated Node #0,0: 27:[5, 9, 8] Operation: 44-36=8 Moving to Node #0,0 Current State: 27:[5, 9, 8], Operations: ['44-36=8'] Exploring Operation: 8-5=3, Resulting Numbers: [9, 3] Generated Node #0,0,2: 27:[9, 3] Operation: 8-5=3 Moving to Node #0,0,2 Current State: 27:[9, 3], Operations: ['44-36=8', '8-5=3'] Exploring Operation: 9*3=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_3
mult_heuristic
[ 98, 3, 60, 34 ]
24
[ "98-60=38", "34+38=72", "72/3=24" ]
Current State: 24:[98, 3, 60, 34], Operations: [] Exploring Operation: 98-60=38, Resulting Numbers: [3, 34, 38] Generated Node #2: [3, 34, 38] from Operation: 98-60=38 Current State: 24:[3, 34, 38], Operations: ['98-60=38'] Exploring Operation: 34+38=72, Resulting Numbers: [3, 72] Generated Node #3: [3, 72] from Operation: 34+38=72 Current State: 24:[3, 72], Operations: ['98-60=38', '34+38=72'] Exploring Operation: 72/3=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
4
Current State: 24:[98, 3, 60, 34], Operations: [] Exploring Operation: 98-60=38, Resulting Numbers: [3, 34, 38] Generated Node #0,0: 24:[3, 34, 38] Operation: 98-60=38 Exploring Operation: 98-34=64, Resulting Numbers: [3, 60, 64] Generated Node #0,1: 24:[3, 60, 64] Operation: 98-34=64 Exploring Operation: 60-34=26, Resulting Numbers: [98, 3, 26] Generated Node #0,2: 24:[98, 3, 26] Operation: 60-34=26 Exploring Operation: 60/3=20, Resulting Numbers: [98, 34, 20] Generated Node #0,3: 24:[98, 34, 20] Operation: 60/3=20 Moving to Node #0,0 Current State: 24:[3, 34, 38], Operations: ['98-60=38'] Exploring Operation: 3+34=37, Resulting Numbers: [38, 37] Generated Node #0,0,0: 24:[38, 37] Operation: 3+34=37 Exploring Operation: 38-3=35, Resulting Numbers: [34, 35] Generated Node #0,0,1: 24:[34, 35] Operation: 38-3=35 Exploring Operation: 38-34=4, Resulting Numbers: [3, 4] Generated Node #0,0,2: 24:[3, 4] Operation: 38-34=4 Exploring Operation: 34-3=31, Resulting Numbers: [38, 31] Generated Node #0,0,3: 24:[38, 31] Operation: 34-3=31 Moving to Node #0,2 Current State: 24:[98, 3, 26], Operations: ['60-34=26'] Exploring Operation: 26-3=23, Resulting Numbers: [98, 23] Generated Node #0,2,0: 24:[98, 23] Operation: 26-3=23 Exploring Operation: 98-3=95, Resulting Numbers: [26, 95] Generated Node #0,2,1: 24:[26, 95] Operation: 98-3=95 Exploring Operation: 98+3=101, Resulting Numbers: [26, 101] Generated Node #0,2,2: 24:[26, 101] Operation: 98+3=101 Exploring Operation: 98-26=72, Resulting Numbers: [3, 72] Generated Node #0,2,3: 24:[3, 72] Operation: 98-26=72 Moving to Node #0,1 Current State: 24:[3, 60, 64], Operations: ['98-34=64'] Exploring Operation: 64-60=4, Resulting Numbers: [3, 4] Generated Node #0,1,0: 24:[3, 4] Operation: 64-60=4 Exploring Operation: 60/3=20, Resulting Numbers: [64, 20] Generated Node #0,1,1: 24:[64, 20] Operation: 60/3=20 Exploring Operation: 60-3=57, Resulting Numbers: [64, 57] Generated Node #0,1,2: 24:[64, 57] Operation: 60-3=57 Exploring Operation: 64-3=61, Resulting Numbers: [60, 61] Generated Node #0,1,3: 24:[60, 61] Operation: 64-3=61 Moving to Node #0,3 Current State: 24:[98, 34, 20], Operations: ['60/3=20'] Exploring Operation: 34-20=14, Resulting Numbers: [98, 14] Generated Node #0,3,0: 24:[98, 14] Operation: 34-20=14 Exploring Operation: 98-34=64, Resulting Numbers: [20, 64] Generated Node #0,3,1: 24:[20, 64] Operation: 98-34=64 Exploring Operation: 98-20=78, Resulting Numbers: [34, 78] Generated Node #0,3,2: 24:[34, 78] Operation: 98-20=78 Exploring Operation: 98+20=118, Resulting Numbers: [34, 118] Generated Node #0,3,3: 24:[34, 118] Operation: 98+20=118 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 24:[20, 64], Operations: ['60/3=20', '98-34=64'] Exploring Operation: 64-20=44, Resulting Numbers: [44] 44,24 unequal: No Solution Exploring Operation: 20*64=1280, Resulting Numbers: [1280] 1280,24 unequal: No Solution Exploring Operation: 20+64=84, Resulting Numbers: [84] 84,24 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 24:[34, 78], Operations: ['60/3=20', '98-20=78'] Exploring Operation: 34+78=112, Resulting Numbers: [112] 112,24 unequal: No Solution Exploring Operation: 34*78=2652, Resulting Numbers: [2652] 2652,24 unequal: No Solution Exploring Operation: 78-34=44, Resulting Numbers: [44] 44,24 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 24:[98, 14], Operations: ['60/3=20', '34-20=14'] Exploring Operation: 98/14=7, Resulting Numbers: [7] 7,24 unequal: No Solution Exploring Operation: 98+14=112, Resulting Numbers: [112] 112,24 unequal: No Solution Exploring Operation: 98-14=84, Resulting Numbers: [84] 84,24 unequal: No Solution Exploring Operation: 98*14=1372, Resulting Numbers: [1372] 1372,24 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 24:[34, 118], Operations: ['60/3=20', '98+20=118'] Exploring Operation: 118-34=84, Resulting Numbers: [84] 84,24 unequal: No Solution Exploring Operation: 34*118=4012, Resulting Numbers: [4012] 4012,24 unequal: No Solution Exploring Operation: 34+118=152, Resulting Numbers: [152] 152,24 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,2 Current State: 24:[3, 4], Operations: ['98-60=38', '38-34=4'] Exploring Operation: 3+4=7, Resulting Numbers: [7] 7,24 unequal: No Solution Exploring Operation: 4-3=1, Resulting Numbers: [1] 1,24 unequal: No Solution Exploring Operation: 3*4=12, Resulting Numbers: [12] 12,24 unequal: No Solution Moving to Node #0,1,0 Current State: 24:[3, 4], Operations: ['98-34=64', '64-60=4'] Exploring Operation: 3+4=7, Resulting Numbers: [7] 7,24 unequal: No Solution Exploring Operation: 3*4=12, Resulting Numbers: [12] 12,24 unequal: No Solution Exploring Operation: 4-3=1, Resulting Numbers: [1] 1,24 unequal: No Solution Moving to Node #0,0,3 Current State: 24:[38, 31], Operations: ['98-60=38', '34-3=31'] Exploring Operation: 38*31=1178, Resulting Numbers: [1178] 1178,24 unequal: No Solution Exploring Operation: 38+31=69, Resulting Numbers: [69] 69,24 unequal: No Solution Exploring Operation: 38-31=7, Resulting Numbers: [7] 7,24 unequal: No Solution Moving to Node #0,0,1 Current State: 24:[34, 35], Operations: ['98-60=38', '38-3=35'] Exploring Operation: 35-34=1, Resulting Numbers: [1] 1,24 unequal: No Solution Exploring Operation: 34+35=69, Resulting Numbers: [69] 69,24 unequal: No Solution Exploring Operation: 34*35=1190, Resulting Numbers: [1190] 1190,24 unequal: No Solution Moving to Node #0,0,0 Current State: 24:[38, 37], Operations: ['98-60=38', '3+34=37'] Exploring Operation: 38-37=1, Resulting Numbers: [1] 1,24 unequal: No Solution Exploring Operation: 38+37=75, Resulting Numbers: [75] 75,24 unequal: No Solution Exploring Operation: 38*37=1406, Resulting Numbers: [1406] 1406,24 unequal: No Solution Moving to Node #0,1,1 Current State: 24:[64, 20], Operations: ['98-34=64', '60/3=20'] Exploring Operation: 64-20=44, Resulting Numbers: [44] 44,24 unequal: No Solution Exploring Operation: 64+20=84, Resulting Numbers: [84] 84,24 unequal: No Solution Exploring Operation: 64*20=1280, Resulting Numbers: [1280] 1280,24 unequal: No Solution Moving to Node #0,2,3 Current State: 24:[3, 72], Operations: ['60-34=26', '98-26=72'] Exploring Operation: 72/3=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Moving to Node #0 Current State: 24:[98, 3, 60, 34], Operations: [] Exploring Operation: 60-34=26, Resulting Numbers: [98, 3, 26] Generated Node #0,2: 24:[98, 3, 26] Operation: 60-34=26 Moving to Node #0,2 Current State: 24:[98, 3, 26], Operations: ['60-34=26'] Exploring Operation: 98-26=72, Resulting Numbers: [3, 72] Generated Node #0,2,3: 24:[3, 72] Operation: 98-26=72 Moving to Node #0,2,3 Current State: 24:[3, 72], Operations: ['60-34=26', '98-26=72'] Exploring Operation: 72/3=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
0.951389
hs_4
sum_heuristic
[ 45, 39, 34, 86 ]
60
[ "86-34=52", "45*52=2340", "2340/39=60" ]
Current State: 60:[45, 39, 34, 86], Operations: [] Exploring Operation: 86-34=52, Resulting Numbers: [45, 39, 52] Generated Node #2: [45, 39, 52] from Operation: 86-34=52 Current State: 60:[45, 39, 52], Operations: ['86-34=52'] Exploring Operation: 45*52=2340, Resulting Numbers: [39, 2340] Generated Node #3: [39, 2340] from Operation: 45*52=2340 Current State: 60:[39, 2340], Operations: ['86-34=52', '45*52=2340'] Exploring Operation: 2340/39=60, Resulting Numbers: [60] 60,60 equal: Goal Reached
4
Current State: 60:[45, 39, 34, 86], Operations: [] Exploring Operation: 86-45=41, Resulting Numbers: [39, 34, 41] Generated Node #0,0: 60:[39, 34, 41] Operation: 86-45=41 Exploring Operation: 45-39=6, Resulting Numbers: [34, 86, 6] Generated Node #0,1: 60:[34, 86, 6] Operation: 45-39=6 Exploring Operation: 86-34=52, Resulting Numbers: [45, 39, 52] Generated Node #0,2: 60:[45, 39, 52] Operation: 86-34=52 Exploring Operation: 86-39=47, Resulting Numbers: [45, 34, 47] Generated Node #0,3: 60:[45, 34, 47] Operation: 86-39=47 Moving to Node #0,0 Current State: 60:[39, 34, 41], Operations: ['86-45=41'] Exploring Operation: 41-34=7, Resulting Numbers: [39, 7] Generated Node #0,0,0: 60:[39, 7] Operation: 41-34=7 Exploring Operation: 39+34=73, Resulting Numbers: [41, 73] Generated Node #0,0,1: 60:[41, 73] Operation: 39+34=73 Exploring Operation: 39-34=5, Resulting Numbers: [41, 5] Generated Node #0,0,2: 60:[41, 5] Operation: 39-34=5 Exploring Operation: 41-39=2, Resulting Numbers: [34, 2] Generated Node #0,0,3: 60:[34, 2] Operation: 41-39=2 Moving to Node #0,1 Current State: 60:[34, 86, 6], Operations: ['45-39=6'] Exploring Operation: 34+6=40, Resulting Numbers: [86, 40] Generated Node #0,1,0: 60:[86, 40] Operation: 34+6=40 Exploring Operation: 34-6=28, Resulting Numbers: [86, 28] Generated Node #0,1,1: 60:[86, 28] Operation: 34-6=28 Exploring Operation: 86-34=52, Resulting Numbers: [6, 52] Generated Node #0,1,2: 60:[6, 52] Operation: 86-34=52 Exploring Operation: 86-6=80, Resulting Numbers: [34, 80] Generated Node #0,1,3: 60:[34, 80] Operation: 86-6=80 Moving to Node #0,3 Current State: 60:[45, 34, 47], Operations: ['86-39=47'] Exploring Operation: 47-45=2, Resulting Numbers: [34, 2] Generated Node #0,3,0: 60:[34, 2] Operation: 47-45=2 Exploring Operation: 45-34=11, Resulting Numbers: [47, 11] Generated Node #0,3,1: 60:[47, 11] Operation: 45-34=11 Exploring Operation: 47-34=13, Resulting Numbers: [45, 13] Generated Node #0,3,2: 60:[45, 13] Operation: 47-34=13 Exploring Operation: 45+34=79, Resulting Numbers: [47, 79] Generated Node #0,3,3: 60:[47, 79] Operation: 45+34=79 Moving to Node #0,2 Current State: 60:[45, 39, 52], Operations: ['86-34=52'] Exploring Operation: 52-39=13, Resulting Numbers: [45, 13] Generated Node #0,2,0: 60:[45, 13] Operation: 52-39=13 Exploring Operation: 52-45=7, Resulting Numbers: [39, 7] Generated Node #0,2,1: 60:[39, 7] Operation: 52-45=7 Exploring Operation: 45+39=84, Resulting Numbers: [52, 84] Generated Node #0,2,2: 60:[52, 84] Operation: 45+39=84 Exploring Operation: 45-39=6, Resulting Numbers: [52, 6] Generated Node #0,2,3: 60:[52, 6] Operation: 45-39=6 Moving to Node #0,0,3 Current State: 60:[34, 2], Operations: ['86-45=41', '41-39=2'] Exploring Operation: 34/2=17, Resulting Numbers: [17] 17,60 unequal: No Solution Exploring Operation: 34+2=36, Resulting Numbers: [36] 36,60 unequal: No Solution Exploring Operation: 34*2=68, Resulting Numbers: [68] 68,60 unequal: No Solution Exploring Operation: 34-2=32, Resulting Numbers: [32] 32,60 unequal: No Solution Moving to Node #0,3,0 Current State: 60:[34, 2], Operations: ['86-39=47', '47-45=2'] Exploring Operation: 34-2=32, Resulting Numbers: [32] 32,60 unequal: No Solution Exploring Operation: 34/2=17, Resulting Numbers: [17] 17,60 unequal: No Solution Exploring Operation: 34+2=36, Resulting Numbers: [36] 36,60 unequal: No Solution Exploring Operation: 34*2=68, Resulting Numbers: [68] 68,60 unequal: No Solution Moving to Node #0,2,3 Current State: 60:[52, 6], Operations: ['86-34=52', '45-39=6'] Exploring Operation: 52*6=312, Resulting Numbers: [312] 312,60 unequal: No Solution Exploring Operation: 52-6=46, Resulting Numbers: [46] 46,60 unequal: No Solution Exploring Operation: 52+6=58, Resulting Numbers: [58] 58,60 unequal: No Solution Moving to Node #0,1,2 Current State: 60:[6, 52], Operations: ['45-39=6', '86-34=52'] Exploring Operation: 6*52=312, Resulting Numbers: [312] 312,60 unequal: No Solution Exploring Operation: 6+52=58, Resulting Numbers: [58] 58,60 unequal: No Solution Exploring Operation: 52-6=46, Resulting Numbers: [46] 46,60 unequal: No Solution Moving to Node #0,2,1 Current State: 60:[39, 7], Operations: ['86-34=52', '52-45=7'] Exploring Operation: 39*7=273, Resulting Numbers: [273] 273,60 unequal: No Solution Exploring Operation: 39-7=32, Resulting Numbers: [32] 32,60 unequal: No Solution Exploring Operation: 39+7=46, Resulting Numbers: [46] 46,60 unequal: No Solution Moving to Node #0,0,0 Current State: 60:[39, 7], Operations: ['86-45=41', '41-34=7'] Exploring Operation: 39+7=46, Resulting Numbers: [46] 46,60 unequal: No Solution Exploring Operation: 39-7=32, Resulting Numbers: [32] 32,60 unequal: No Solution Exploring Operation: 39*7=273, Resulting Numbers: [273] 273,60 unequal: No Solution Moving to Node #0,0,2 Current State: 60:[41, 5], Operations: ['86-45=41', '39-34=5'] Exploring Operation: 41-5=36, Resulting Numbers: [36] 36,60 unequal: No Solution Exploring Operation: 41*5=205, Resulting Numbers: [205] 205,60 unequal: No Solution Exploring Operation: 41+5=46, Resulting Numbers: [46] 46,60 unequal: No Solution Moving to Node #0,3,1 Current State: 60:[47, 11], Operations: ['86-39=47', '45-34=11'] Exploring Operation: 47*11=517, Resulting Numbers: [517] 517,60 unequal: No Solution Exploring Operation: 47+11=58, Resulting Numbers: [58] 58,60 unequal: No Solution Exploring Operation: 47-11=36, Resulting Numbers: [36] 36,60 unequal: No Solution Moving to Node #0,2,0 Current State: 60:[45, 13], Operations: ['86-34=52', '52-39=13'] Exploring Operation: 45*13=585, Resulting Numbers: [585] 585,60 unequal: No Solution Exploring Operation: 45-13=32, Resulting Numbers: [32] 32,60 unequal: No Solution Exploring Operation: 45+13=58, Resulting Numbers: [58] 58,60 unequal: No Solution Moving to Node #0,3,2 Current State: 60:[45, 13], Operations: ['86-39=47', '47-34=13'] Exploring Operation: 45+13=58, Resulting Numbers: [58] 58,60 unequal: No Solution Exploring Operation: 45*13=585, Resulting Numbers: [585] 585,60 unequal: No Solution Exploring Operation: 45-13=32, Resulting Numbers: [32] 32,60 unequal: No Solution Moving to Node #0,1,3 Current State: 60:[34, 80], Operations: ['45-39=6', '86-6=80'] Exploring Operation: 80-34=46, Resulting Numbers: [46] 46,60 unequal: No Solution Exploring Operation: 34*80=2720, Resulting Numbers: [2720] 2720,60 unequal: No Solution Exploring Operation: 34+80=114, Resulting Numbers: [114] 114,60 unequal: No Solution Moving to Node #0,0,1 Current State: 60:[41, 73], Operations: ['86-45=41', '39+34=73'] Exploring Operation: 73-41=32, Resulting Numbers: [32] 32,60 unequal: No Solution Exploring Operation: 41+73=114, Resulting Numbers: [114] 114,60 unequal: No Solution Exploring Operation: 41*73=2993, Resulting Numbers: [2993] 2993,60 unequal: No Solution Moving to Node #0,1,1 Current State: 60:[86, 28], Operations: ['45-39=6', '34-6=28'] Exploring Operation: 86+28=114, Resulting Numbers: [114] 114,60 unequal: No Solution Exploring Operation: 86*28=2408, Resulting Numbers: [2408] 2408,60 unequal: No Solution Exploring Operation: 86-28=58, Resulting Numbers: [58] 58,60 unequal: No Solution Moving to Node #0,3,3 Current State: 60:[47, 79], Operations: ['86-39=47', '45+34=79'] Exploring Operation: 47+79=126, Resulting Numbers: [126] 126,60 unequal: No Solution Exploring Operation: 79-47=32, Resulting Numbers: [32] 32,60 unequal: No Solution Exploring Operation: 47*79=3713, Resulting Numbers: [3713] 3713,60 unequal: No Solution Moving to Node #0,2,2 Current State: 60:[52, 84], Operations: ['86-34=52', '45+39=84'] Exploring Operation: 52+84=136, Resulting Numbers: [136] 136,60 unequal: No Solution Exploring Operation: 52*84=4368, Resulting Numbers: [4368] 4368,60 unequal: No Solution Exploring Operation: 84-52=32, Resulting Numbers: [32] 32,60 unequal: No Solution Moving to Node #0,1,0 Current State: 60:[86, 40], Operations: ['45-39=6', '34+6=40'] Exploring Operation: 86+40=126, Resulting Numbers: [126] 126,60 unequal: No Solution Exploring Operation: 86-40=46, Resulting Numbers: [46] 46,60 unequal: No Solution Exploring Operation: 86*40=3440, Resulting Numbers: [3440] 3440,60 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 40, 47, 94, 98 ]
57
[ "98-94=4", "40/4=10", "47+10=57" ]
Current State: 57:[40, 47, 94, 98], Operations: [] Exploring Operation: 98-94=4, Resulting Numbers: [40, 47, 4] Generated Node #2: [40, 47, 4] from Operation: 98-94=4 Current State: 57:[40, 47, 4], Operations: ['98-94=4'] Exploring Operation: 40/4=10, Resulting Numbers: [47, 10] Generated Node #3: [47, 10] from Operation: 40/4=10 Current State: 57:[47, 10], Operations: ['98-94=4', '40/4=10'] Exploring Operation: 47+10=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
4
Current State: 57:[40, 47, 94, 98], Operations: [] Exploring Operation: 98-47=51, Resulting Numbers: [40, 94, 51] Generated Node #0,0: 57:[40, 94, 51] Operation: 98-47=51 Exploring Operation: 94/47=2, Resulting Numbers: [40, 98, 2] Generated Node #0,1: 57:[40, 98, 2] Operation: 94/47=2 Exploring Operation: 94-40=54, Resulting Numbers: [47, 98, 54] Generated Node #0,2: 57:[47, 98, 54] Operation: 94-40=54 Exploring Operation: 98-40=58, Resulting Numbers: [47, 94, 58] Generated Node #0,3: 57:[47, 94, 58] Operation: 98-40=58 Exploring Operation: 98-94=4, Resulting Numbers: [40, 47, 4] Generated Node #0,4: 57:[40, 47, 4] Operation: 98-94=4 Moving to Node #0,4 Current State: 57:[40, 47, 4], Operations: ['98-94=4'] Exploring Operation: 40+4=44, Resulting Numbers: [47, 44] Generated Node #0,4,0: 57:[47, 44] Operation: 40+4=44 Exploring Operation: 47+4=51, Resulting Numbers: [40, 51] Generated Node #0,4,1: 57:[40, 51] Operation: 47+4=51 Exploring Operation: 40-4=36, Resulting Numbers: [47, 36] Generated Node #0,4,2: 57:[47, 36] Operation: 40-4=36 Exploring Operation: 47-40=7, Resulting Numbers: [4, 7] Generated Node #0,4,3: 57:[4, 7] Operation: 47-40=7 Exploring Operation: 40/4=10, Resulting Numbers: [47, 10] Generated Node #0,4,4: 57:[47, 10] Operation: 40/4=10 Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 57:[4, 7], Operations: ['98-94=4', '47-40=7'] Exploring Operation: 4+7=11, Resulting Numbers: [11] 11,57 unequal: No Solution Exploring Operation: 4*7=28, Resulting Numbers: [28] 28,57 unequal: No Solution Exploring Operation: 7-4=3, Resulting Numbers: [3] 3,57 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 57:[47, 10], Operations: ['98-94=4', '40/4=10'] Exploring Operation: 47*10=470, Resulting Numbers: [470] 470,57 unequal: No Solution Exploring Operation: 47-10=37, Resulting Numbers: [37] 37,57 unequal: No Solution Exploring Operation: 47+10=57, Resulting Numbers: [57] 57,57 equal: Goal Reached Moving to Node #0 Current State: 57:[40, 47, 94, 98], Operations: [] Exploring Operation: 98-94=4, Resulting Numbers: [40, 47, 4] Generated Node #0,4: 57:[40, 47, 4] Operation: 98-94=4 Moving to Node #0,4 Current State: 57:[40, 47, 4], Operations: ['98-94=4'] Exploring Operation: 40/4=10, Resulting Numbers: [47, 10] Generated Node #0,4,4: 57:[47, 10] Operation: 40/4=10 Moving to Node #0,4,4 Current State: 57:[47, 10], Operations: ['98-94=4', '40/4=10'] Exploring Operation: 47+10=57, Resulting Numbers: [57] 57,57 equal: Goal Reached Exit Sub Search at level 1
0.982639
hs_5
sum_heuristic
[ 63, 4, 19, 9 ]
80
[ "63-19=44", "4*9=36", "44+36=80" ]
Current State: 80:[63, 4, 19, 9], Operations: [] Exploring Operation: 63-19=44, Resulting Numbers: [4, 9, 44] Generated Node #2: [4, 9, 44] from Operation: 63-19=44 Current State: 80:[4, 9, 44], Operations: ['63-19=44'] Exploring Operation: 4*9=36, Resulting Numbers: [44, 36] Generated Node #3: [44, 36] from Operation: 4*9=36 Current State: 80:[44, 36], Operations: ['63-19=44', '4*9=36'] Exploring Operation: 44+36=80, Resulting Numbers: [80] 80,80 equal: Goal Reached
4
Current State: 80:[63, 4, 19, 9], Operations: [] Exploring Operation: 63/9=7, Resulting Numbers: [4, 19, 7] Generated Node #0,0: 80:[4, 19, 7] Operation: 63/9=7 Start Sub Search at level 1: Moving to Node #0,0 Current State: 80:[4, 19, 7], Operations: ['63/9=7'] Exploring Operation: 19-4=15, Resulting Numbers: [7, 15] Generated Node #0,0,0: 80:[7, 15] Operation: 19-4=15 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 80:[7, 15], Operations: ['63/9=7', '19-4=15'] Exploring Operation: 15-7=8, Resulting Numbers: [8] 8,80 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 10, 26, 14, 60 ]
62
[ "26-10=16", "60-14=46", "16+46=62" ]
Current State: 62:[10, 26, 14, 60], Operations: [] Exploring Operation: 26-10=16, Resulting Numbers: [14, 60, 16] Generated Node #2: [14, 60, 16] from Operation: 26-10=16 Current State: 62:[14, 60, 16], Operations: ['26-10=16'] Exploring Operation: 60-14=46, Resulting Numbers: [16, 46] Generated Node #3: [16, 46] from Operation: 60-14=46 Current State: 62:[16, 46], Operations: ['26-10=16', '60-14=46'] Exploring Operation: 16+46=62, Resulting Numbers: [62] 62,62 equal: Goal Reached
4
Current State: 62:[10, 26, 14, 60], Operations: [] Exploring Operation: 14-10=4, Resulting Numbers: [26, 60, 4] Generated Node #0,0: 62:[26, 60, 4] Operation: 14-10=4 Exploring Operation: 10+14=24, Resulting Numbers: [26, 60, 24] Generated Node #0,1: 62:[26, 60, 24] Operation: 10+14=24 Exploring Operation: 26+14=40, Resulting Numbers: [10, 60, 40] Generated Node #0,2: 62:[10, 60, 40] Operation: 26+14=40 Exploring Operation: 10+26=36, Resulting Numbers: [14, 60, 36] Generated Node #0,3: 62:[14, 60, 36] Operation: 10+26=36 Start Sub Search at level 1: Moving to Node #0,0 Current State: 62:[26, 60, 4], Operations: ['14-10=4'] Exploring Operation: 60+4=64, Resulting Numbers: [26, 64] Generated Node #0,0,0: 62:[26, 64] Operation: 60+4=64 Exploring Operation: 26+4=30, Resulting Numbers: [60, 30] Generated Node #0,0,1: 62:[60, 30] Operation: 26+4=30 Exploring Operation: 60-26=34, Resulting Numbers: [4, 34] Generated Node #0,0,2: 62:[4, 34] Operation: 60-26=34 Exploring Operation: 26-4=22, Resulting Numbers: [60, 22] Generated Node #0,0,3: 62:[60, 22] Operation: 26-4=22 Moving to Node #0,0,1 Current State: 62:[60, 30], Operations: ['14-10=4', '26+4=30'] Exploring Operation: 60*30=1800, Resulting Numbers: [1800] 1800,62 unequal: No Solution Exploring Operation: 60+30=90, Resulting Numbers: [90] 90,62 unequal: No Solution Exploring Operation: 60-30=30, Resulting Numbers: [30] 30,62 unequal: No Solution Exploring Operation: 60/30=2, Resulting Numbers: [2] 2,62 unequal: No Solution Moving to Node #0,0,2 Current State: 62:[4, 34], Operations: ['14-10=4', '60-26=34'] Exploring Operation: 4*34=136, Resulting Numbers: [136] 136,62 unequal: No Solution Exploring Operation: 4+34=38, Resulting Numbers: [38] 38,62 unequal: No Solution Exploring Operation: 34-4=30, Resulting Numbers: [30] 30,62 unequal: No Solution Moving to Node #0,0,0 Current State: 62:[26, 64], Operations: ['14-10=4', '60+4=64'] Exploring Operation: 26*64=1664, Resulting Numbers: [1664] 1664,62 unequal: No Solution Exploring Operation: 26+64=90, Resulting Numbers: [90] 90,62 unequal: No Solution Exploring Operation: 64-26=38, Resulting Numbers: [38] 38,62 unequal: No Solution Moving to Node #0,0,3 Current State: 62:[60, 22], Operations: ['14-10=4', '26-4=22'] Exploring Operation: 60-22=38, Resulting Numbers: [38] 38,62 unequal: No Solution Exploring Operation: 60*22=1320, Resulting Numbers: [1320] 1320,62 unequal: No Solution Exploring Operation: 60+22=82, Resulting Numbers: [82] 82,62 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 Current State: 62:[26, 60, 24], Operations: ['10+14=24'] Exploring Operation: 60-24=36, Resulting Numbers: [26, 36] Generated Node #0,1,0: 62:[26, 36] Operation: 60-24=36 Exploring Operation: 60-26=34, Resulting Numbers: [24, 34] Generated Node #0,1,1: 62:[24, 34] Operation: 60-26=34 Exploring Operation: 26+24=50, Resulting Numbers: [60, 50] Generated Node #0,1,2: 62:[60, 50] Operation: 26+24=50 Exploring Operation: 26-24=2, Resulting Numbers: [60, 2] Generated Node #0,1,3: 62:[60, 2] Operation: 26-24=2 Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 62:[60, 2], Operations: ['10+14=24', '26-24=2'] Exploring Operation: 60*2=120, Resulting Numbers: [120] 120,62 unequal: No Solution Exploring Operation: 60-2=58, Resulting Numbers: [58] 58,62 unequal: No Solution Exploring Operation: 60/2=30, Resulting Numbers: [30] 30,62 unequal: No Solution Exploring Operation: 60+2=62, Resulting Numbers: [62] 62,62 equal: Goal Reached Moving to Node #0 Current State: 62:[10, 26, 14, 60], Operations: [] Exploring Operation: 10+14=24, Resulting Numbers: [26, 60, 24] Generated Node #0,1: 62:[26, 60, 24] Operation: 10+14=24 Moving to Node #0,1 Current State: 62:[26, 60, 24], Operations: ['10+14=24'] Exploring Operation: 26-24=2, Resulting Numbers: [60, 2] Generated Node #0,1,3: 62:[60, 2] Operation: 26-24=2 Moving to Node #0,1,3 Current State: 62:[60, 2], Operations: ['10+14=24', '26-24=2'] Exploring Operation: 60+2=62, Resulting Numbers: [62] 62,62 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.971354
hs_4
sum_heuristic
[ 68, 3, 9, 5 ]
85
[ "68+3=71", "9+5=14", "71+14=85" ]
Current State: 85:[68, 3, 9, 5], Operations: [] Exploring Operation: 68+3=71, Resulting Numbers: [9, 5, 71] Generated Node #2: [9, 5, 71] from Operation: 68+3=71 Current State: 85:[9, 5, 71], Operations: ['68+3=71'] Exploring Operation: 9+5=14, Resulting Numbers: [71, 14] Generated Node #3: [71, 14] from Operation: 9+5=14 Current State: 85:[71, 14], Operations: ['68+3=71', '9+5=14'] Exploring Operation: 71+14=85, Resulting Numbers: [85] 85,85 equal: Goal Reached
4
Current State: 85:[68, 3, 9, 5], Operations: [] Exploring Operation: 68+9=77, Resulting Numbers: [3, 5, 77] Generated Node #0,0: 85:[3, 5, 77] Operation: 68+9=77 Moving to Node #0,0 Current State: 85:[3, 5, 77], Operations: ['68+9=77'] Exploring Operation: 3+77=80, Resulting Numbers: [5, 80] Generated Node #0,0,0: 85:[5, 80] Operation: 3+77=80 Moving to Node #0,0,0 Current State: 85:[5, 80], Operations: ['68+9=77', '3+77=80'] Exploring Operation: 5+80=85, Resulting Numbers: [85] 85,85 equal: Goal Reached Moving to Node #0 Current State: 85:[68, 3, 9, 5], Operations: [] Exploring Operation: 68+9=77, Resulting Numbers: [3, 5, 77] Generated Node #0,0: 85:[3, 5, 77] Operation: 68+9=77 Moving to Node #0,0 Current State: 85:[3, 5, 77], Operations: ['68+9=77'] Exploring Operation: 3+77=80, Resulting Numbers: [5, 80] Generated Node #0,0,0: 85:[5, 80] Operation: 3+77=80 Moving to Node #0,0,0 Current State: 85:[5, 80], Operations: ['68+9=77', '3+77=80'] Exploring Operation: 5+80=85, Resulting Numbers: [85] 85,85 equal: Goal Reached
0.993924
hs_1
sum_heuristic
[ 45, 52, 44, 63 ]
12
[ "52-45=7", "63-44=19", "19-7=12" ]
Current State: 12:[45, 52, 44, 63], Operations: [] Exploring Operation: 52-45=7, Resulting Numbers: [44, 63, 7] Generated Node #2: [44, 63, 7] from Operation: 52-45=7 Current State: 12:[44, 63, 7], Operations: ['52-45=7'] Exploring Operation: 63-44=19, Resulting Numbers: [7, 19] Generated Node #3: [7, 19] from Operation: 63-44=19 Current State: 12:[7, 19], Operations: ['52-45=7', '63-44=19'] Exploring Operation: 19-7=12, Resulting Numbers: [12] 12,12 equal: Goal Reached
4
Current State: 12:[45, 52, 44, 63], Operations: [] Exploring Operation: 63-52=11, Resulting Numbers: [45, 44, 11] Generated Node #0,0: 12:[45, 44, 11] Operation: 63-52=11 Exploring Operation: 63-45=18, Resulting Numbers: [52, 44, 18] Generated Node #0,1: 12:[52, 44, 18] Operation: 63-45=18 Exploring Operation: 52-45=7, Resulting Numbers: [44, 63, 7] Generated Node #0,2: 12:[44, 63, 7] Operation: 52-45=7 Exploring Operation: 63-44=19, Resulting Numbers: [45, 52, 19] Generated Node #0,3: 12:[45, 52, 19] Operation: 63-44=19 Start Sub Search at level 1: Moving to Node #0,0 Current State: 12:[45, 44, 11], Operations: ['63-52=11'] Exploring Operation: 44/11=4, Resulting Numbers: [45, 4] Generated Node #0,0,0: 12:[45, 4] Operation: 44/11=4 Exploring Operation: 45-44=1, Resulting Numbers: [11, 1] Generated Node #0,0,1: 12:[11, 1] Operation: 45-44=1 Exploring Operation: 45-11=34, Resulting Numbers: [44, 34] Generated Node #0,0,2: 12:[44, 34] Operation: 45-11=34 Exploring Operation: 44-11=33, Resulting Numbers: [45, 33] Generated Node #0,0,3: 12:[45, 33] Operation: 44-11=33 Moving to Node #0,0,1 Current State: 12:[11, 1], Operations: ['63-52=11', '45-44=1'] Exploring Operation: 11-1=10, Resulting Numbers: [10] 10,12 unequal: No Solution Exploring Operation: 11*1=11, Resulting Numbers: [11] 11,12 unequal: No Solution Exploring Operation: 11+1=12, Resulting Numbers: [12] 12,12 equal: Goal Reached Moving to Node #0 Current State: 12:[45, 52, 44, 63], Operations: [] Exploring Operation: 63-52=11, Resulting Numbers: [45, 44, 11] Generated Node #0,0: 12:[45, 44, 11] Operation: 63-52=11 Moving to Node #0,0 Current State: 12:[45, 44, 11], Operations: ['63-52=11'] Exploring Operation: 45-44=1, Resulting Numbers: [11, 1] Generated Node #0,0,1: 12:[11, 1] Operation: 45-44=1 Moving to Node #0,0,1 Current State: 12:[11, 1], Operations: ['63-52=11', '45-44=1'] Exploring Operation: 11+1=12, Resulting Numbers: [12] 12,12 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_4
mult_heuristic
[ 5, 87, 3, 9 ]
75
[ "9-5=4", "3*4=12", "87-12=75" ]
Current State: 75:[5, 87, 3, 9], Operations: [] Exploring Operation: 9-5=4, Resulting Numbers: [87, 3, 4] Generated Node #2: [87, 3, 4] from Operation: 9-5=4 Current State: 75:[87, 3, 4], Operations: ['9-5=4'] Exploring Operation: 3*4=12, Resulting Numbers: [87, 12] Generated Node #3: [87, 12] from Operation: 3*4=12 Current State: 75:[87, 12], Operations: ['9-5=4', '3*4=12'] Exploring Operation: 87-12=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
4
Current State: 75:[5, 87, 3, 9], Operations: [] Exploring Operation: 87-9=78, Resulting Numbers: [5, 3, 78] Generated Node #0,0: 75:[5, 3, 78] Operation: 87-9=78 Exploring Operation: 87-5=82, Resulting Numbers: [3, 9, 82] Generated Node #0,1: 75:[3, 9, 82] Operation: 87-5=82 Exploring Operation: 9/3=3, Resulting Numbers: [5, 87, 3] Generated Node #0,2: 75:[5, 87, 3] Operation: 9/3=3 Exploring Operation: 5+9=14, Resulting Numbers: [87, 3, 14] Generated Node #0,3: 75:[87, 3, 14] Operation: 5+9=14 Exploring Operation: 87/3=29, Resulting Numbers: [5, 9, 29] Generated Node #0,4: 75:[5, 9, 29] Operation: 87/3=29 Start Sub Search at level 1: Moving to Node #0,0 Current State: 75:[5, 3, 78], Operations: ['87-9=78'] Exploring Operation: 78/3=26, Resulting Numbers: [5, 26] Generated Node #0,0,0: 75:[5, 26] Operation: 78/3=26 Exploring Operation: 78-5=73, Resulting Numbers: [3, 73] Generated Node #0,0,1: 75:[3, 73] Operation: 78-5=73 Exploring Operation: 78-3=75, Resulting Numbers: [5, 75] Generated Node #0,0,2: 75:[5, 75] Operation: 78-3=75 Exploring Operation: 5-3=2, Resulting Numbers: [78, 2] Generated Node #0,0,3: 75:[78, 2] Operation: 5-3=2 Exploring Operation: 5*3=15, Resulting Numbers: [78, 15] Generated Node #0,0,4: 75:[78, 15] Operation: 5*3=15 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 75:[5, 75], Operations: ['87-9=78', '78-3=75'] Exploring Operation: 75/5=15, Resulting Numbers: [15] 15,75 unequal: No Solution Exploring Operation: 75-5=70, Resulting Numbers: [70] 70,75 unequal: No Solution Exploring Operation: 5*75=375, Resulting Numbers: [375] 375,75 unequal: No Solution Exploring Operation: 5+75=80, Resulting Numbers: [80] 80,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 75:[5, 26], Operations: ['87-9=78', '78/3=26'] Exploring Operation: 26-5=21, Resulting Numbers: [21] 21,75 unequal: No Solution Exploring Operation: 5+26=31, Resulting Numbers: [31] 31,75 unequal: No Solution Exploring Operation: 5*26=130, Resulting Numbers: [130] 130,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 75:[3, 73], Operations: ['87-9=78', '78-5=73'] Exploring Operation: 3*73=219, Resulting Numbers: [219] 219,75 unequal: No Solution Exploring Operation: 73-3=70, Resulting Numbers: [70] 70,75 unequal: No Solution Exploring Operation: 3+73=76, Resulting Numbers: [76] 76,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 75:[78, 15], Operations: ['87-9=78', '5*3=15'] Exploring Operation: 78*15=1170, Resulting Numbers: [1170] 1170,75 unequal: No Solution Exploring Operation: 78-15=63, Resulting Numbers: [63] 63,75 unequal: No Solution Exploring Operation: 78+15=93, Resulting Numbers: [93] 93,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 75:[78, 2], Operations: ['87-9=78', '5-3=2'] Exploring Operation: 78/2=39, Resulting Numbers: [39] 39,75 unequal: No Solution Exploring Operation: 78-2=76, Resulting Numbers: [76] 76,75 unequal: No Solution Exploring Operation: 78+2=80, Resulting Numbers: [80] 80,75 unequal: No Solution Exploring Operation: 78*2=156, Resulting Numbers: [156] 156,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 75:[5, 9, 29], Operations: ['87/3=29'] Exploring Operation: 5+9=14, Resulting Numbers: [29, 14] Generated Node #0,4,0: 75:[29, 14] Operation: 5+9=14 Exploring Operation: 29-5=24, Resulting Numbers: [9, 24] Generated Node #0,4,1: 75:[9, 24] Operation: 29-5=24 Exploring Operation: 9-5=4, Resulting Numbers: [29, 4] Generated Node #0,4,2: 75:[29, 4] Operation: 9-5=4 Exploring Operation: 5+29=34, Resulting Numbers: [9, 34] Generated Node #0,4,3: 75:[9, 34] Operation: 5+29=34 Exploring Operation: 29-9=20, Resulting Numbers: [5, 20] Generated Node #0,4,4: 75:[5, 20] Operation: 29-9=20 Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 75:[29, 14], Operations: ['87/3=29', '5+9=14'] Exploring Operation: 29-14=15, Resulting Numbers: [15] 15,75 unequal: No Solution Exploring Operation: 29*14=406, Resulting Numbers: [406] 406,75 unequal: No Solution Exploring Operation: 29+14=43, Resulting Numbers: [43] 43,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 75:[9, 24], Operations: ['87/3=29', '29-5=24'] Exploring Operation: 9*24=216, Resulting Numbers: [216] 216,75 unequal: No Solution Exploring Operation: 9+24=33, Resulting Numbers: [33] 33,75 unequal: No Solution Exploring Operation: 24-9=15, Resulting Numbers: [15] 15,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 75:[29, 4], Operations: ['87/3=29', '9-5=4'] Exploring Operation: 29+4=33, Resulting Numbers: [33] 33,75 unequal: No Solution Exploring Operation: 29-4=25, Resulting Numbers: [25] 25,75 unequal: No Solution Exploring Operation: 29*4=116, Resulting Numbers: [116] 116,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 75:[5, 20], Operations: ['87/3=29', '29-9=20'] Exploring Operation: 5+20=25, Resulting Numbers: [25] 25,75 unequal: No Solution Exploring Operation: 20-5=15, Resulting Numbers: [15] 15,75 unequal: No Solution Exploring Operation: 5*20=100, Resulting Numbers: [100] 100,75 unequal: No Solution Exploring Operation: 20/5=4, Resulting Numbers: [4] 4,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 75:[9, 34], Operations: ['87/3=29', '5+29=34'] Exploring Operation: 9*34=306, Resulting Numbers: [306] 306,75 unequal: No Solution Exploring Operation: 9+34=43, Resulting Numbers: [43] 43,75 unequal: No Solution Exploring Operation: 34-9=25, Resulting Numbers: [25] 25,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 75:[3, 9, 82], Operations: ['87-5=82'] Exploring Operation: 9-3=6, Resulting Numbers: [82, 6] Generated Node #0,1,0: 75:[82, 6] Operation: 9-3=6 Exploring Operation: 82-9=73, Resulting Numbers: [3, 73] Generated Node #0,1,1: 75:[3, 73] Operation: 82-9=73 Exploring Operation: 9/3=3, Resulting Numbers: [82, 3] Generated Node #0,1,2: 75:[82, 3] Operation: 9/3=3 Exploring Operation: 82-3=79, Resulting Numbers: [9, 79] Generated Node #0,1,3: 75:[9, 79] Operation: 82-3=79 Exploring Operation: 3*9=27, Resulting Numbers: [82, 27] Generated Node #0,1,4: 75:[82, 27] Operation: 3*9=27 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 75:[3, 73], Operations: ['87-5=82', '82-9=73'] Exploring Operation: 3*73=219, Resulting Numbers: [219] 219,75 unequal: No Solution Exploring Operation: 3+73=76, Resulting Numbers: [76] 76,75 unequal: No Solution Exploring Operation: 73-3=70, Resulting Numbers: [70] 70,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 75:[82, 3], Operations: ['87-5=82', '9/3=3'] Exploring Operation: 82+3=85, Resulting Numbers: [85] 85,75 unequal: No Solution Exploring Operation: 82*3=246, Resulting Numbers: [246] 246,75 unequal: No Solution Exploring Operation: 82-3=79, Resulting Numbers: [79] 79,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 75:[82, 6], Operations: ['87-5=82', '9-3=6'] Exploring Operation: 82-6=76, Resulting Numbers: [76] 76,75 unequal: No Solution Exploring Operation: 82*6=492, Resulting Numbers: [492] 492,75 unequal: No Solution Exploring Operation: 82+6=88, Resulting Numbers: [88] 88,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 75:[9, 79], Operations: ['87-5=82', '82-3=79'] Exploring Operation: 9+79=88, Resulting Numbers: [88] 88,75 unequal: No Solution Exploring Operation: 9*79=711, Resulting Numbers: [711] 711,75 unequal: No Solution Exploring Operation: 79-9=70, Resulting Numbers: [70] 70,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 75:[82, 27], Operations: ['87-5=82', '3*9=27'] Exploring Operation: 82*27=2214, Resulting Numbers: [2214] 2214,75 unequal: No Solution Exploring Operation: 82-27=55, Resulting Numbers: [55] 55,75 unequal: No Solution Exploring Operation: 82+27=109, Resulting Numbers: [109] 109,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 75:[5, 87, 3], Operations: ['9/3=3'] Exploring Operation: 5*3=15, Resulting Numbers: [87, 15] Generated Node #0,2,0: 75:[87, 15] Operation: 5*3=15 Exploring Operation: 87-5=82, Resulting Numbers: [3, 82] Generated Node #0,2,1: 75:[3, 82] Operation: 87-5=82 Exploring Operation: 87-3=84, Resulting Numbers: [5, 84] Generated Node #0,2,2: 75:[5, 84] Operation: 87-3=84 Exploring Operation: 5-3=2, Resulting Numbers: [87, 2] Generated Node #0,2,3: 75:[87, 2] Operation: 5-3=2 Exploring Operation: 87/3=29, Resulting Numbers: [5, 29] Generated Node #0,2,4: 75:[5, 29] Operation: 87/3=29 Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 75:[5, 29], Operations: ['9/3=3', '87/3=29'] Exploring Operation: 5*29=145, Resulting Numbers: [145] 145,75 unequal: No Solution Exploring Operation: 29-5=24, Resulting Numbers: [24] 24,75 unequal: No Solution Exploring Operation: 5+29=34, Resulting Numbers: [34] 34,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 75:[3, 82], Operations: ['9/3=3', '87-5=82'] Exploring Operation: 3*82=246, Resulting Numbers: [246] 246,75 unequal: No Solution Exploring Operation: 82-3=79, Resulting Numbers: [79] 79,75 unequal: No Solution Exploring Operation: 3+82=85, Resulting Numbers: [85] 85,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 75:[5, 84], Operations: ['9/3=3', '87-3=84'] Exploring Operation: 5+84=89, Resulting Numbers: [89] 89,75 unequal: No Solution Exploring Operation: 5*84=420, Resulting Numbers: [420] 420,75 unequal: No Solution Exploring Operation: 84-5=79, Resulting Numbers: [79] 79,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 75:[87, 15], Operations: ['9/3=3', '5*3=15'] Exploring Operation: 87*15=1305, Resulting Numbers: [1305] 1305,75 unequal: No Solution Exploring Operation: 87+15=102, Resulting Numbers: [102] 102,75 unequal: No Solution Exploring Operation: 87-15=72, Resulting Numbers: [72] 72,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 75:[87, 2], Operations: ['9/3=3', '5-3=2'] Exploring Operation: 87+2=89, Resulting Numbers: [89] 89,75 unequal: No Solution Exploring Operation: 87-2=85, Resulting Numbers: [85] 85,75 unequal: No Solution Exploring Operation: 87*2=174, Resulting Numbers: [174] 174,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 75:[87, 3, 14], Operations: ['5+9=14'] Exploring Operation: 87/3=29, Resulting Numbers: [14, 29] Generated Node #0,3,0: 75:[14, 29] Operation: 87/3=29 Exploring Operation: 87-14=73, Resulting Numbers: [3, 73] Generated Node #0,3,1: 75:[3, 73] Operation: 87-14=73 Exploring Operation: 87+3=90, Resulting Numbers: [14, 90] Generated Node #0,3,2: 75:[14, 90] Operation: 87+3=90 Exploring Operation: 87-3=84, Resulting Numbers: [14, 84] Generated Node #0,3,3: 75:[14, 84] Operation: 87-3=84 Exploring Operation: 3+14=17, Resulting Numbers: [87, 17] Generated Node #0,3,4: 75:[87, 17] Operation: 3+14=17 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 75:[3, 73], Operations: ['5+9=14', '87-14=73'] Exploring Operation: 3+73=76, Resulting Numbers: [76] 76,75 unequal: No Solution Exploring Operation: 73-3=70, Resulting Numbers: [70] 70,75 unequal: No Solution Exploring Operation: 3*73=219, Resulting Numbers: [219] 219,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 75:[14, 29], Operations: ['5+9=14', '87/3=29'] Exploring Operation: 14*29=406, Resulting Numbers: [406] 406,75 unequal: No Solution Exploring Operation: 14+29=43, Resulting Numbers: [43] 43,75 unequal: No Solution Exploring Operation: 29-14=15, Resulting Numbers: [15] 15,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 75:[14, 84], Operations: ['5+9=14', '87-3=84'] Exploring Operation: 14*84=1176, Resulting Numbers: [1176] 1176,75 unequal: No Solution Exploring Operation: 14+84=98, Resulting Numbers: [98] 98,75 unequal: No Solution Exploring Operation: 84-14=70, Resulting Numbers: [70] 70,75 unequal: No Solution Exploring Operation: 84/14=6, Resulting Numbers: [6] 6,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 75:[87, 17], Operations: ['5+9=14', '3+14=17'] Exploring Operation: 87*17=1479, Resulting Numbers: [1479] 1479,75 unequal: No Solution Exploring Operation: 87-17=70, Resulting Numbers: [70] 70,75 unequal: No Solution Exploring Operation: 87+17=104, Resulting Numbers: [104] 104,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 75:[14, 90], Operations: ['5+9=14', '87+3=90'] Exploring Operation: 14+90=104, Resulting Numbers: [104] 104,75 unequal: No Solution Exploring Operation: 14*90=1260, Resulting Numbers: [1260] 1260,75 unequal: No Solution Exploring Operation: 90-14=76, Resulting Numbers: [76] 76,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
mult_heuristic
[ 20, 8, 22, 41 ]
66
[ "22-20=2", "41-8=33", "2*33=66" ]
Current State: 66:[20, 8, 22, 41], Operations: [] Exploring Operation: 22-20=2, Resulting Numbers: [8, 41, 2] Generated Node #2: [8, 41, 2] from Operation: 22-20=2 Current State: 66:[8, 41, 2], Operations: ['22-20=2'] Exploring Operation: 41-8=33, Resulting Numbers: [2, 33] Generated Node #3: [2, 33] from Operation: 41-8=33 Current State: 66:[2, 33], Operations: ['22-20=2', '41-8=33'] Exploring Operation: 2*33=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
4
Current State: 66:[20, 8, 22, 41], Operations: [] Exploring Operation: 41-8=33, Resulting Numbers: [20, 22, 33] Generated Node #0,0: 66:[20, 22, 33] Operation: 41-8=33 Start Sub Search at level 1: Moving to Node #0,0 Current State: 66:[20, 22, 33], Operations: ['41-8=33'] Exploring Operation: 22-20=2, Resulting Numbers: [33, 2] Generated Node #0,0,0: 66:[33, 2] Operation: 22-20=2 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 66:[33, 2], Operations: ['41-8=33', '22-20=2'] Exploring Operation: 33*2=66, Resulting Numbers: [66] 66,66 equal: Goal Reached Moving to Node #0 Current State: 66:[20, 8, 22, 41], Operations: [] Exploring Operation: 41-8=33, Resulting Numbers: [20, 22, 33] Generated Node #0,0: 66:[20, 22, 33] Operation: 41-8=33 Moving to Node #0,0 Current State: 66:[20, 22, 33], Operations: ['41-8=33'] Exploring Operation: 22-20=2, Resulting Numbers: [33, 2] Generated Node #0,0,0: 66:[33, 2] Operation: 22-20=2 Moving to Node #0,0,0 Current State: 66:[33, 2], Operations: ['41-8=33', '22-20=2'] Exploring Operation: 33*2=66, Resulting Numbers: [66] 66,66 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 61, 24, 93, 2 ]
19
[ "61-24=37", "2*37=74", "93-74=19" ]
Current State: 19:[61, 24, 93, 2], Operations: [] Exploring Operation: 61-24=37, Resulting Numbers: [93, 2, 37] Generated Node #2: [93, 2, 37] from Operation: 61-24=37 Current State: 19:[93, 2, 37], Operations: ['61-24=37'] Exploring Operation: 2*37=74, Resulting Numbers: [93, 74] Generated Node #3: [93, 74] from Operation: 2*37=74 Current State: 19:[93, 74], Operations: ['61-24=37', '2*37=74'] Exploring Operation: 93-74=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
4
Current State: 19:[61, 24, 93, 2], Operations: [] Exploring Operation: 61-24=37, Resulting Numbers: [93, 2, 37] Generated Node #0,0: 19:[93, 2, 37] Operation: 61-24=37 Exploring Operation: 93-61=32, Resulting Numbers: [24, 2, 32] Generated Node #0,1: 19:[24, 2, 32] Operation: 93-61=32 Exploring Operation: 93-24=69, Resulting Numbers: [61, 2, 69] Generated Node #0,2: 19:[61, 2, 69] Operation: 93-24=69 Moving to Node #0,1 Current State: 19:[24, 2, 32], Operations: ['93-61=32'] Exploring Operation: 32/2=16, Resulting Numbers: [24, 16] Generated Node #0,1,0: 19:[24, 16] Operation: 32/2=16 Exploring Operation: 32-2=30, Resulting Numbers: [24, 30] Generated Node #0,1,1: 19:[24, 30] Operation: 32-2=30 Exploring Operation: 24-2=22, Resulting Numbers: [32, 22] Generated Node #0,1,2: 19:[32, 22] Operation: 24-2=22 Moving to Node #0,0 Current State: 19:[93, 2, 37], Operations: ['61-24=37'] Exploring Operation: 93-2=91, Resulting Numbers: [37, 91] Generated Node #0,0,0: 19:[37, 91] Operation: 93-2=91 Exploring Operation: 93-37=56, Resulting Numbers: [2, 56] Generated Node #0,0,1: 19:[2, 56] Operation: 93-37=56 Exploring Operation: 37-2=35, Resulting Numbers: [93, 35] Generated Node #0,0,2: 19:[93, 35] Operation: 37-2=35 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 19:[2, 56], Operations: ['61-24=37', '93-37=56'] Exploring Operation: 2+56=58, Resulting Numbers: [58] 58,19 unequal: No Solution Exploring Operation: 56-2=54, Resulting Numbers: [54] 54,19 unequal: No Solution Exploring Operation: 56/2=28, Resulting Numbers: [28] 28,19 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:[37, 91], Operations: ['61-24=37', '93-2=91'] Exploring Operation: 37+91=128, Resulting Numbers: [128] 128,19 unequal: No Solution Exploring Operation: 37*91=3367, Resulting Numbers: [3367] 3367,19 unequal: No Solution Exploring Operation: 91-37=54, Resulting Numbers: [54] 54,19 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 #0,0,2 Current State: 19:[93, 35], Operations: ['61-24=37', '37-2=35'] Exploring Operation: 93+35=128, Resulting Numbers: [128] 128,19 unequal: No Solution Exploring Operation: 93*35=3255, Resulting Numbers: [3255] 3255,19 unequal: No Solution Exploring Operation: 93-35=58, Resulting Numbers: [58] 58,19 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: 19:[61, 2, 69], Operations: ['93-24=69'] Exploring Operation: 69-2=67, Resulting Numbers: [61, 67] Generated Node #0,2,0: 19:[61, 67] Operation: 69-2=67 Exploring Operation: 69-61=8, Resulting Numbers: [2, 8] Generated Node #0,2,1: 19:[2, 8] Operation: 69-61=8 Exploring Operation: 61-2=59, Resulting Numbers: [69, 59] Generated Node #0,2,2: 19:[69, 59] Operation: 61-2=59 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 19:[2, 8], Operations: ['93-24=69', '69-61=8'] Exploring Operation: 2+8=10, Resulting Numbers: [10] 10,19 unequal: No Solution Exploring Operation: 8-2=6, Resulting Numbers: [6] 6,19 unequal: No Solution Exploring Operation: 2*8=16, Resulting Numbers: [16] 16,19 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 #0,2,0 Current State: 19:[61, 67], Operations: ['93-24=69', '69-2=67'] Exploring Operation: 61*67=4087, Resulting Numbers: [4087] 4087,19 unequal: No Solution Exploring Operation: 67-61=6, Resulting Numbers: [6] 6,19 unequal: No Solution Exploring Operation: 61+67=128, Resulting Numbers: [128] 128,19 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 #0,2,2 Current State: 19:[69, 59], Operations: ['93-24=69', '61-2=59'] Exploring Operation: 69-59=10, Resulting Numbers: [10] 10,19 unequal: No Solution Exploring Operation: 69+59=128, Resulting Numbers: [128] 128,19 unequal: No Solution Exploring Operation: 69*59=4071, Resulting Numbers: [4071] 4071,19 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: 19:[24, 16], Operations: ['93-61=32', '32/2=16'] Exploring Operation: 24*16=384, Resulting Numbers: [384] 384,19 unequal: No Solution Exploring Operation: 24-16=8, Resulting Numbers: [8] 8,19 unequal: No Solution Exploring Operation: 24+16=40, Resulting Numbers: [40] 40,19 unequal: No Solution Moving to Node #0,1,1 Current State: 19:[24, 30], Operations: ['93-61=32', '32-2=30'] Exploring Operation: 30-24=6, Resulting Numbers: [6] 6,19 unequal: No Solution Exploring Operation: 24+30=54, Resulting Numbers: [54] 54,19 unequal: No Solution Exploring Operation: 24*30=720, Resulting Numbers: [720] 720,19 unequal: No Solution Moving to Node #0,1,2 Current State: 19:[32, 22], Operations: ['93-61=32', '24-2=22'] Exploring Operation: 32*22=704, Resulting Numbers: [704] 704,19 unequal: No Solution Exploring Operation: 32-22=10, Resulting Numbers: [10] 10,19 unequal: No Solution Exploring Operation: 32+22=54, Resulting Numbers: [54] 54,19 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 12, 64, 51, 87 ]
87
[ "64-12=52", "52-51=1", "87*1=87" ]
Current State: 87:[12, 64, 51, 87], Operations: [] Exploring Operation: 64-12=52, Resulting Numbers: [51, 87, 52] Generated Node #2: [51, 87, 52] from Operation: 64-12=52 Current State: 87:[51, 87, 52], Operations: ['64-12=52'] Exploring Operation: 52-51=1, Resulting Numbers: [87, 1] Generated Node #3: [87, 1] from Operation: 52-51=1 Current State: 87:[87, 1], Operations: ['64-12=52', '52-51=1'] Exploring Operation: 87*1=87, Resulting Numbers: [87] 87,87 equal: Goal Reached
4
Current State: 87:[12, 64, 51, 87], Operations: [] Exploring Operation: 64-51=13, Resulting Numbers: [12, 87, 13] Generated Node #0,0: 87:[12, 87, 13] Operation: 64-51=13 Moving to Node #0,0 Current State: 87:[12, 87, 13], Operations: ['64-51=13'] Exploring Operation: 13-12=1, Resulting Numbers: [87, 1] Generated Node #0,0,0: 87:[87, 1] Operation: 13-12=1 Moving to Node #0,0,0 Current State: 87:[87, 1], Operations: ['64-51=13', '13-12=1'] Exploring Operation: 87*1=87, Resulting Numbers: [87] 87,87 equal: Goal Reached Moving to Node #0 Current State: 87:[12, 64, 51, 87], Operations: [] Exploring Operation: 64-51=13, Resulting Numbers: [12, 87, 13] Generated Node #0,0: 87:[12, 87, 13] Operation: 64-51=13 Moving to Node #0,0 Current State: 87:[12, 87, 13], Operations: ['64-51=13'] Exploring Operation: 13-12=1, Resulting Numbers: [87, 1] Generated Node #0,0,0: 87:[87, 1] Operation: 13-12=1 Moving to Node #0,0,0 Current State: 87:[87, 1], Operations: ['64-51=13', '13-12=1'] Exploring Operation: 87*1=87, Resulting Numbers: [87] 87,87 equal: Goal Reached
0.993924
hs_1
sum_heuristic
[ 21, 39, 31, 9 ]
33
[ "39-21=18", "18/9=2", "31+2=33" ]
Current State: 33:[21, 39, 31, 9], Operations: [] Exploring Operation: 39-21=18, Resulting Numbers: [31, 9, 18] Generated Node #2: [31, 9, 18] from Operation: 39-21=18 Current State: 33:[31, 9, 18], Operations: ['39-21=18'] Exploring Operation: 18/9=2, Resulting Numbers: [31, 2] Generated Node #3: [31, 2] from Operation: 18/9=2 Current State: 33:[31, 2], Operations: ['39-21=18', '18/9=2'] Exploring Operation: 31+2=33, Resulting Numbers: [33] 33,33 equal: Goal Reached
4
Current State: 33:[21, 39, 31, 9], Operations: [] Exploring Operation: 31-21=10, Resulting Numbers: [39, 9, 10] Generated Node #0,0: 33:[39, 9, 10] Operation: 31-21=10 Exploring Operation: 21-9=12, Resulting Numbers: [39, 31, 12] Generated Node #0,1: 33:[39, 31, 12] Operation: 21-9=12 Start Sub Search at level 1: Moving to Node #0,0 Current State: 33:[39, 9, 10], Operations: ['31-21=10'] Exploring Operation: 39-10=29, Resulting Numbers: [9, 29] Generated Node #0,0,0: 33:[9, 29] Operation: 39-10=29 Exploring Operation: 39-9=30, Resulting Numbers: [10, 30] Generated Node #0,0,1: 33:[10, 30] Operation: 39-9=30 Moving to Node #0,0,1 Current State: 33:[10, 30], Operations: ['31-21=10', '39-9=30'] Exploring Operation: 10+30=40, Resulting Numbers: [40] 40,33 unequal: No Solution Exploring Operation: 30/10=3, Resulting Numbers: [3] 3,33 unequal: No Solution Moving to Node #0,0,0 Current State: 33:[9, 29], Operations: ['31-21=10', '39-10=29'] Exploring Operation: 29-9=20, Resulting Numbers: [20] 20,33 unequal: No Solution Exploring Operation: 9+29=38, Resulting Numbers: [38] 38,33 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 33:[39, 31, 12], Operations: ['21-9=12'] Exploring Operation: 39-31=8, Resulting Numbers: [12, 8] Generated Node #0,1,0: 33:[12, 8] Operation: 39-31=8 Exploring Operation: 39-12=27, Resulting Numbers: [31, 27] Generated Node #0,1,1: 33:[31, 27] Operation: 39-12=27 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 33:[12, 8], Operations: ['21-9=12', '39-31=8'] Exploring Operation: 12-8=4, Resulting Numbers: [4] 4,33 unequal: No Solution Exploring Operation: 12+8=20, Resulting Numbers: [20] 20,33 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 33:[31, 27], Operations: ['21-9=12', '39-12=27'] Exploring Operation: 31+27=58, Resulting Numbers: [58] 58,33 unequal: No Solution Exploring Operation: 31-27=4, Resulting Numbers: [4] 4,33 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 42, 4, 72, 44 ]
19
[ "72-42=30", "44/4=11", "30-11=19" ]
Current State: 19:[42, 4, 72, 44], Operations: [] Exploring Operation: 72-42=30, Resulting Numbers: [4, 44, 30] Generated Node #2: [4, 44, 30] from Operation: 72-42=30 Current State: 19:[4, 44, 30], Operations: ['72-42=30'] Exploring Operation: 44/4=11, Resulting Numbers: [30, 11] Generated Node #3: [30, 11] from Operation: 44/4=11 Current State: 19:[30, 11], Operations: ['72-42=30', '44/4=11'] Exploring Operation: 30-11=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
4
Current State: 19:[42, 4, 72, 44], Operations: [] Exploring Operation: 72/4=18, Resulting Numbers: [42, 44, 18] Generated Node #0,0: 19:[42, 44, 18] Operation: 72/4=18 Exploring Operation: 44/4=11, Resulting Numbers: [42, 72, 11] Generated Node #0,1: 19:[42, 72, 11] Operation: 44/4=11 Exploring Operation: 72-42=30, Resulting Numbers: [4, 44, 30] Generated Node #0,2: 19:[4, 44, 30] Operation: 72-42=30 Exploring Operation: 72-44=28, Resulting Numbers: [42, 4, 28] Generated Node #0,3: 19:[42, 4, 28] Operation: 72-44=28 Start Sub Search at level 1: Moving to Node #0,3 Current State: 19:[42, 4, 28], Operations: ['72-44=28'] Exploring Operation: 42-28=14, Resulting Numbers: [4, 14] Generated Node #0,3,0: 19:[4, 14] Operation: 42-28=14 Exploring Operation: 42-4=38, Resulting Numbers: [28, 38] Generated Node #0,3,1: 19:[28, 38] Operation: 42-4=38 Exploring Operation: 28-4=24, Resulting Numbers: [42, 24] Generated Node #0,3,2: 19:[42, 24] Operation: 28-4=24 Exploring Operation: 28/4=7, Resulting Numbers: [42, 7] Generated Node #0,3,3: 19:[42, 7] Operation: 28/4=7 Moving to Node #0,3,0 Current State: 19:[4, 14], Operations: ['72-44=28', '42-28=14'] Exploring Operation: 4*14=56, Resulting Numbers: [56] 56,19 unequal: No Solution Exploring Operation: 14-4=10, Resulting Numbers: [10] 10,19 unequal: No Solution Exploring Operation: 4+14=18, Resulting Numbers: [18] 18,19 unequal: No Solution Moving to Node #0,3,2 Current State: 19:[42, 24], Operations: ['72-44=28', '28-4=24'] Exploring Operation: 42+24=66, Resulting Numbers: [66] 66,19 unequal: No Solution Exploring Operation: 42-24=18, Resulting Numbers: [18] 18,19 unequal: No Solution Exploring Operation: 42*24=1008, Resulting Numbers: [1008] 1008,19 unequal: No Solution Moving to Node #0,3,1 Current State: 19:[28, 38], Operations: ['72-44=28', '42-4=38'] Exploring Operation: 38-28=10, Resulting Numbers: [10] 10,19 unequal: No Solution Exploring Operation: 28*38=1064, Resulting Numbers: [1064] 1064,19 unequal: No Solution Exploring Operation: 28+38=66, Resulting Numbers: [66] 66,19 unequal: No Solution Moving to Node #0,3,3 Current State: 19:[42, 7], Operations: ['72-44=28', '28/4=7'] Exploring Operation: 42-7=35, Resulting Numbers: [35] 35,19 unequal: No Solution Exploring Operation: 42*7=294, Resulting Numbers: [294] 294,19 unequal: No Solution Exploring Operation: 42+7=49, Resulting Numbers: [49] 49,19 unequal: No Solution Exploring Operation: 42/7=6, Resulting Numbers: [6] 6,19 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 Current State: 19:[42, 44, 18], Operations: ['72/4=18'] Exploring Operation: 44-18=26, Resulting Numbers: [42, 26] Generated Node #0,0,0: 19:[42, 26] Operation: 44-18=26 Exploring Operation: 42-18=24, Resulting Numbers: [44, 24] Generated Node #0,0,1: 19:[44, 24] Operation: 42-18=24 Exploring Operation: 42+18=60, Resulting Numbers: [44, 60] Generated Node #0,0,2: 19:[44, 60] Operation: 42+18=60 Exploring Operation: 44-42=2, Resulting Numbers: [18, 2] Generated Node #0,0,3: 19:[18, 2] Operation: 44-42=2 Moving to Node #0,0,3 Current State: 19:[18, 2], Operations: ['72/4=18', '44-42=2'] Exploring Operation: 18*2=36, Resulting Numbers: [36] 36,19 unequal: No Solution Exploring Operation: 18/2=9, Resulting Numbers: [9] 9,19 unequal: No Solution Exploring Operation: 18+2=20, Resulting Numbers: [20] 20,19 unequal: No Solution Exploring Operation: 18-2=16, Resulting Numbers: [16] 16,19 unequal: No Solution Moving to Node #0,0,1 Current State: 19:[44, 24], Operations: ['72/4=18', '42-18=24'] Exploring Operation: 44*24=1056, Resulting Numbers: [1056] 1056,19 unequal: No Solution Exploring Operation: 44+24=68, Resulting Numbers: [68] 68,19 unequal: No Solution Exploring Operation: 44-24=20, Resulting Numbers: [20] 20,19 unequal: No Solution Moving to Node #0,0,0 Current State: 19:[42, 26], Operations: ['72/4=18', '44-18=26'] Exploring Operation: 42+26=68, Resulting Numbers: [68] 68,19 unequal: No Solution Exploring Operation: 42-26=16, Resulting Numbers: [16] 16,19 unequal: No Solution Exploring Operation: 42*26=1092, Resulting Numbers: [1092] 1092,19 unequal: No Solution Moving to Node #0,0,2 Current State: 19:[44, 60], Operations: ['72/4=18', '42+18=60'] Exploring Operation: 60-44=16, Resulting Numbers: [16] 16,19 unequal: No Solution Exploring Operation: 44+60=104, Resulting Numbers: [104] 104,19 unequal: No Solution Exploring Operation: 44*60=2640, Resulting Numbers: [2640] 2640,19 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 #0,2 Current State: 19:[4, 44, 30], Operations: ['72-42=30'] Exploring Operation: 30-4=26, Resulting Numbers: [44, 26] Generated Node #0,2,0: 19:[44, 26] Operation: 30-4=26 Exploring Operation: 44-30=14, Resulting Numbers: [4, 14] Generated Node #0,2,1: 19:[4, 14] Operation: 44-30=14 Exploring Operation: 44/4=11, Resulting Numbers: [30, 11] Generated Node #0,2,2: 19:[30, 11] Operation: 44/4=11 Exploring Operation: 44-4=40, Resulting Numbers: [30, 40] Generated Node #0,2,3: 19:[30, 40] Operation: 44-4=40 Moving to Node #0,2,2 Current State: 19:[30, 11], Operations: ['72-42=30', '44/4=11'] Exploring Operation: 30-11=19, Resulting Numbers: [19] 19,19 equal: Goal Reached Moving to Node #0 Current State: 19:[42, 4, 72, 44], Operations: [] Exploring Operation: 72-42=30, Resulting Numbers: [4, 44, 30] Generated Node #0,2: 19:[4, 44, 30] Operation: 72-42=30 Moving to Node #0,2 Current State: 19:[4, 44, 30], Operations: ['72-42=30'] Exploring Operation: 44/4=11, Resulting Numbers: [30, 11] Generated Node #0,2,2: 19:[30, 11] Operation: 44/4=11 Moving to Node #0,2,2 Current State: 19:[30, 11], Operations: ['72-42=30', '44/4=11'] Exploring Operation: 30-11=19, Resulting Numbers: [19] 19,19 equal: Goal Reached Exit Sub Search at level 1
0.959201
hs_4
mult_heuristic
[ 21, 60, 5, 21 ]
13
[ "60-21=39", "5+21=26", "39-26=13" ]
Current State: 13:[21, 60, 5, 21], Operations: [] Exploring Operation: 60-21=39, Resulting Numbers: [5, 39] Generated Node #2: [5, 39] from Operation: 60-21=39 Current State: 13:[5, 39], Operations: ['60-21=39'] Exploring Operation: 5+21=26, Resulting Numbers: [39, 26] Generated Node #3: [39, 26] from Operation: 5+21=26 Current State: 13:[39, 26], Operations: ['60-21=39', '5+21=26'] Exploring Operation: 39-26=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
4
Current State: 13:[21, 60, 5, 21], Operations: [] Exploring Operation: 60/5=12, Resulting Numbers: [21, 21, 12] Generated Node #0,0: 13:[21, 21, 12] Operation: 60/5=12 Exploring Operation: 60-21=39, Resulting Numbers: [5, 21, 39] Generated Node #0,1: 13:[5, 21, 39] Operation: 60-21=39 Exploring Operation: 60-21=39, Resulting Numbers: [21, 5, 39] Generated Node #0,2: 13:[21, 5, 39] Operation: 60-21=39 Start Sub Search at level 1: Moving to Node #0,0 Current State: 13:[21, 21, 12], Operations: ['60/5=12'] Exploring Operation: 21-12=9, Resulting Numbers: [21, 9] Generated Node #0,0,0: 13:[21, 9] Operation: 21-12=9 Exploring Operation: 21-12=9, Resulting Numbers: [21, 9] Generated Node #0,0,1: 13:[21, 9] Operation: 21-12=9 Exploring Operation: 21/21=1, Resulting Numbers: [12, 1] Generated Node #0,0,2: 13:[12, 1] Operation: 21/21=1 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 13:[21, 9], Operations: ['60/5=12', '21-12=9'] Exploring Operation: 21*9=189, Resulting Numbers: [189] 189,13 unequal: No Solution Exploring Operation: 21-9=12, Resulting Numbers: [12] 12,13 unequal: No Solution Exploring Operation: 21+9=30, Resulting Numbers: [30] 30,13 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 13:[21, 9], Operations: ['60/5=12', '21-12=9'] Exploring Operation: 21-9=12, Resulting Numbers: [12] 12,13 unequal: No Solution Exploring Operation: 21+9=30, Resulting Numbers: [30] 30,13 unequal: No Solution Exploring Operation: 21*9=189, Resulting Numbers: [189] 189,13 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 13:[12, 1], Operations: ['60/5=12', '21/21=1'] Exploring Operation: 12*1=12, Resulting Numbers: [12] 12,13 unequal: No Solution Exploring Operation: 12/1=12, Resulting Numbers: [12] 12,13 unequal: No Solution Exploring Operation: 12+1=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Moving to Node #0 Current State: 13:[21, 60, 5, 21], Operations: [] Exploring Operation: 60/5=12, Resulting Numbers: [21, 21, 12] Generated Node #0,0: 13:[21, 21, 12] Operation: 60/5=12 Moving to Node #0,0 Current State: 13:[21, 21, 12], Operations: ['60/5=12'] Exploring Operation: 21/21=1, Resulting Numbers: [12, 1] Generated Node #0,0,2: 13:[12, 1] Operation: 21/21=1 Moving to Node #0,0,2 Current State: 13:[12, 1], Operations: ['60/5=12', '21/21=1'] Exploring Operation: 12+1=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.983507
hs_3
sum_heuristic
[ 38, 69, 71, 5 ]
10
[ "69+71=140", "140/5=28", "38-28=10" ]
Current State: 10:[38, 69, 71, 5], Operations: [] Exploring Operation: 69+71=140, Resulting Numbers: [38, 5, 140] Generated Node #2: [38, 5, 140] from Operation: 69+71=140 Current State: 10:[38, 5, 140], Operations: ['69+71=140'] Exploring Operation: 140/5=28, Resulting Numbers: [38, 28] Generated Node #3: [38, 28] from Operation: 140/5=28 Current State: 10:[38, 28], Operations: ['69+71=140', '140/5=28'] Exploring Operation: 38-28=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
4
Current State: 10:[38, 69, 71, 5], Operations: [] Exploring Operation: 69-38=31, Resulting Numbers: [71, 5, 31] Generated Node #0,0: 10:[71, 5, 31] Operation: 69-38=31 Exploring Operation: 71-38=33, Resulting Numbers: [69, 5, 33] Generated Node #0,1: 10:[69, 5, 33] Operation: 71-38=33 Exploring Operation: 71-69=2, Resulting Numbers: [38, 5, 2] Generated Node #0,2: 10:[38, 5, 2] Operation: 71-69=2 Moving to Node #0,2 Current State: 10:[38, 5, 2], Operations: ['71-69=2'] Exploring Operation: 38-5=33, Resulting Numbers: [2, 33] Generated Node #0,2,0: 10:[2, 33] Operation: 38-5=33 Exploring Operation: 38-2=36, Resulting Numbers: [5, 36] Generated Node #0,2,1: 10:[5, 36] Operation: 38-2=36 Exploring Operation: 38/2=19, Resulting Numbers: [5, 19] Generated Node #0,2,2: 10:[5, 19] Operation: 38/2=19 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 10:[5, 19], Operations: ['71-69=2', '38/2=19'] Exploring Operation: 19-5=14, Resulting Numbers: [14] 14,10 unequal: No Solution Exploring Operation: 5*19=95, Resulting Numbers: [95] 95,10 unequal: No Solution Exploring Operation: 5+19=24, Resulting Numbers: [24] 24,10 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 10:[2, 33], Operations: ['71-69=2', '38-5=33'] Exploring Operation: 2*33=66, Resulting Numbers: [66] 66,10 unequal: No Solution Exploring Operation: 2+33=35, Resulting Numbers: [35] 35,10 unequal: No Solution Exploring Operation: 33-2=31, Resulting Numbers: [31] 31,10 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 10:[5, 36], Operations: ['71-69=2', '38-2=36'] Exploring Operation: 5*36=180, Resulting Numbers: [180] 180,10 unequal: No Solution Exploring Operation: 5+36=41, Resulting Numbers: [41] 41,10 unequal: No Solution Exploring Operation: 36-5=31, Resulting Numbers: [31] 31,10 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 10:[71, 5, 31], Operations: ['69-38=31'] Exploring Operation: 71-31=40, Resulting Numbers: [5, 40] Generated Node #0,0,0: 10:[5, 40] Operation: 71-31=40 Exploring Operation: 31-5=26, Resulting Numbers: [71, 26] Generated Node #0,0,1: 10:[71, 26] Operation: 31-5=26 Exploring Operation: 71-5=66, Resulting Numbers: [31, 66] Generated Node #0,0,2: 10:[31, 66] Operation: 71-5=66 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 10:[5, 40], Operations: ['69-38=31', '71-31=40'] Exploring Operation: 40-5=35, Resulting Numbers: [35] 35,10 unequal: No Solution Exploring Operation: 5+40=45, Resulting Numbers: [45] 45,10 unequal: No Solution Exploring Operation: 40/5=8, Resulting Numbers: [8] 8,10 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 10:[71, 26], Operations: ['69-38=31', '31-5=26'] Exploring Operation: 71-26=45, Resulting Numbers: [45] 45,10 unequal: No Solution Exploring Operation: 71+26=97, Resulting Numbers: [97] 97,10 unequal: No Solution Exploring Operation: 71*26=1846, Resulting Numbers: [1846] 1846,10 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 10:[31, 66], Operations: ['69-38=31', '71-5=66'] Exploring Operation: 31*66=2046, Resulting Numbers: [2046] 2046,10 unequal: No Solution Exploring Operation: 31+66=97, Resulting Numbers: [97] 97,10 unequal: No Solution Exploring Operation: 66-31=35, Resulting Numbers: [35] 35,10 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 10:[69, 5, 33], Operations: ['71-38=33'] Exploring Operation: 69-5=64, Resulting Numbers: [33, 64] Generated Node #0,1,0: 10:[33, 64] Operation: 69-5=64 Exploring Operation: 69-33=36, Resulting Numbers: [5, 36] Generated Node #0,1,1: 10:[5, 36] Operation: 69-33=36 Exploring Operation: 33-5=28, Resulting Numbers: [69, 28] Generated Node #0,1,2: 10:[69, 28] Operation: 33-5=28 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 10:[5, 36], Operations: ['71-38=33', '69-33=36'] Exploring Operation: 5+36=41, Resulting Numbers: [41] 41,10 unequal: No Solution Exploring Operation: 5*36=180, Resulting Numbers: [180] 180,10 unequal: No Solution Exploring Operation: 36-5=31, Resulting Numbers: [31] 31,10 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 10:[33, 64], Operations: ['71-38=33', '69-5=64'] Exploring Operation: 64-33=31, Resulting Numbers: [31] 31,10 unequal: No Solution Exploring Operation: 33+64=97, Resulting Numbers: [97] 97,10 unequal: No Solution Exploring Operation: 33*64=2112, Resulting Numbers: [2112] 2112,10 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 10:[69, 28], Operations: ['71-38=33', '33-5=28'] Exploring Operation: 69*28=1932, Resulting Numbers: [1932] 1932,10 unequal: No Solution Exploring Operation: 69-28=41, Resulting Numbers: [41] 41,10 unequal: No Solution Exploring Operation: 69+28=97, Resulting Numbers: [97] 97,10 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
[ 46, 56, 42, 61 ]
75
[ "46-42=4", "56/4=14", "61+14=75" ]
Current State: 75:[46, 56, 42, 61], Operations: [] Exploring Operation: 46-42=4, Resulting Numbers: [56, 61, 4] Generated Node #2: [56, 61, 4] from Operation: 46-42=4 Current State: 75:[56, 61, 4], Operations: ['46-42=4'] Exploring Operation: 56/4=14, Resulting Numbers: [61, 14] Generated Node #3: [61, 14] from Operation: 56/4=14 Current State: 75:[61, 14], Operations: ['46-42=4', '56/4=14'] Exploring Operation: 61+14=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
4
Current State: 75:[46, 56, 42, 61], Operations: [] Exploring Operation: 46-42=4, Resulting Numbers: [56, 61, 4] Generated Node #0,0: 75:[56, 61, 4] Operation: 46-42=4 Exploring Operation: 56-46=10, Resulting Numbers: [42, 61, 10] Generated Node #0,1: 75:[42, 61, 10] Operation: 56-46=10 Exploring Operation: 61-46=15, Resulting Numbers: [56, 42, 15] Generated Node #0,2: 75:[56, 42, 15] Operation: 61-46=15 Exploring Operation: 56-42=14, Resulting Numbers: [46, 61, 14] Generated Node #0,3: 75:[46, 61, 14] Operation: 56-42=14 Start Sub Search at level 1: Moving to Node #0,0 Current State: 75:[56, 61, 4], Operations: ['46-42=4'] Exploring Operation: 61+4=65, Resulting Numbers: [56, 65] Generated Node #0,0,0: 75:[56, 65] Operation: 61+4=65 Exploring Operation: 56+4=60, Resulting Numbers: [61, 60] Generated Node #0,0,1: 75:[61, 60] Operation: 56+4=60 Exploring Operation: 56/4=14, Resulting Numbers: [61, 14] Generated Node #0,0,2: 75:[61, 14] Operation: 56/4=14 Exploring Operation: 61-56=5, Resulting Numbers: [4, 5] Generated Node #0,0,3: 75:[4, 5] Operation: 61-56=5 Moving to Node #0,0,3 Current State: 75:[4, 5], Operations: ['46-42=4', '61-56=5'] Exploring Operation: 4+5=9, Resulting Numbers: [9] 9,75 unequal: No Solution Exploring Operation: 4*5=20, Resulting Numbers: [20] 20,75 unequal: No Solution Exploring Operation: 5-4=1, Resulting Numbers: [1] 1,75 unequal: No Solution Moving to Node #0,0,2 Current State: 75:[61, 14], Operations: ['46-42=4', '56/4=14'] Exploring Operation: 61*14=854, Resulting Numbers: [854] 854,75 unequal: No Solution Exploring Operation: 61+14=75, Resulting Numbers: [75] 75,75 equal: Goal Reached Moving to Node #0 Current State: 75:[46, 56, 42, 61], Operations: [] Exploring Operation: 46-42=4, Resulting Numbers: [56, 61, 4] Generated Node #0,0: 75:[56, 61, 4] Operation: 46-42=4 Moving to Node #0,0 Current State: 75:[56, 61, 4], Operations: ['46-42=4'] Exploring Operation: 56/4=14, Resulting Numbers: [61, 14] Generated Node #0,0,2: 75:[61, 14] Operation: 56/4=14 Moving to Node #0,0,2 Current State: 75:[61, 14], Operations: ['46-42=4', '56/4=14'] Exploring Operation: 61+14=75, Resulting Numbers: [75] 75,75 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_4
sum_heuristic
[ 5, 20, 65, 80 ]
87
[ "65/5=13", "20+80=100", "100-13=87" ]
Current State: 87:[5, 20, 65, 80], Operations: [] Exploring Operation: 65/5=13, Resulting Numbers: [20, 80, 13] Generated Node #2: [20, 80, 13] from Operation: 65/5=13 Current State: 87:[20, 80, 13], Operations: ['65/5=13'] Exploring Operation: 20+80=100, Resulting Numbers: [13, 100] Generated Node #3: [13, 100] from Operation: 20+80=100 Current State: 87:[13, 100], Operations: ['65/5=13', '20+80=100'] Exploring Operation: 100-13=87, Resulting Numbers: [87] 87,87 equal: Goal Reached
4
Current State: 87:[5, 20, 65, 80], Operations: [] Exploring Operation: 20+65=85, Resulting Numbers: [5, 80, 85] Generated Node #0,0: 87:[5, 80, 85] Operation: 20+65=85 Moving to Node #0,0 Current State: 87:[5, 80, 85], Operations: ['20+65=85'] Exploring Operation: 5+80=85, Resulting Numbers: [85, 85] Generated Node #0,0,0: 87:[85, 85] Operation: 5+80=85 Moving to Node #0,0,0 Current State: 87:[85, 85], Operations: ['20+65=85', '5+80=85'] Exploring Operation: 85/85=1, Resulting Numbers: [1] 1,87 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 86, 74, 4, 22 ]
62
[ "86+74=160", "160/4=40", "22+40=62" ]
Current State: 62:[86, 74, 4, 22], Operations: [] Exploring Operation: 86+74=160, Resulting Numbers: [4, 22, 160] Generated Node #2: [4, 22, 160] from Operation: 86+74=160 Current State: 62:[4, 22, 160], Operations: ['86+74=160'] Exploring Operation: 160/4=40, Resulting Numbers: [22, 40] Generated Node #3: [22, 40] from Operation: 160/4=40 Current State: 62:[22, 40], Operations: ['86+74=160', '160/4=40'] Exploring Operation: 22+40=62, Resulting Numbers: [62] 62,62 equal: Goal Reached
4
Current State: 62:[86, 74, 4, 22], Operations: [] Exploring Operation: 86-74=12, Resulting Numbers: [4, 22, 12] Generated Node #0,0: 62:[4, 22, 12] Operation: 86-74=12 Exploring Operation: 86-22=64, Resulting Numbers: [74, 4, 64] Generated Node #0,1: 62:[74, 4, 64] Operation: 86-22=64 Exploring Operation: 74-22=52, Resulting Numbers: [86, 4, 52] Generated Node #0,2: 62:[86, 4, 52] Operation: 74-22=52 Moving to Node #0,1 Current State: 62:[74, 4, 64], Operations: ['86-22=64'] Exploring Operation: 74-64=10, Resulting Numbers: [4, 10] Generated Node #0,1,0: 62:[4, 10] Operation: 74-64=10 Exploring Operation: 74-4=70, Resulting Numbers: [64, 70] Generated Node #0,1,1: 62:[64, 70] Operation: 74-4=70 Exploring Operation: 64-4=60, Resulting Numbers: [74, 60] Generated Node #0,1,2: 62:[74, 60] Operation: 64-4=60 Moving to Node #0,0 Current State: 62:[4, 22, 12], Operations: ['86-74=12'] Exploring Operation: 22-12=10, Resulting Numbers: [4, 10] Generated Node #0,0,0: 62:[4, 10] Operation: 22-12=10 Exploring Operation: 12/4=3, Resulting Numbers: [22, 3] Generated Node #0,0,1: 62:[22, 3] Operation: 12/4=3 Exploring Operation: 22+12=34, Resulting Numbers: [4, 34] Generated Node #0,0,2: 62:[4, 34] Operation: 22+12=34 Moving to Node #0,2 Current State: 62:[86, 4, 52], Operations: ['74-22=52'] Exploring Operation: 86-52=34, Resulting Numbers: [4, 34] Generated Node #0,2,0: 62:[4, 34] Operation: 86-52=34 Exploring Operation: 86-4=82, Resulting Numbers: [52, 82] Generated Node #0,2,1: 62:[52, 82] Operation: 86-4=82 Exploring Operation: 4+52=56, Resulting Numbers: [86, 56] Generated Node #0,2,2: 62:[86, 56] Operation: 4+52=56 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 62:[4, 34], Operations: ['74-22=52', '86-52=34'] Exploring Operation: 34-4=30, Resulting Numbers: [30] 30,62 unequal: No Solution Exploring Operation: 4*34=136, Resulting Numbers: [136] 136,62 unequal: No Solution Exploring Operation: 4+34=38, Resulting Numbers: [38] 38,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 62:[52, 82], Operations: ['74-22=52', '86-4=82'] Exploring Operation: 82-52=30, Resulting Numbers: [30] 30,62 unequal: No Solution Exploring Operation: 52+82=134, Resulting Numbers: [134] 134,62 unequal: No Solution Exploring Operation: 52*82=4264, Resulting Numbers: [4264] 4264,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 62:[86, 56], Operations: ['74-22=52', '4+52=56'] Exploring Operation: 86*56=4816, Resulting Numbers: [4816] 4816,62 unequal: No Solution Exploring Operation: 86+56=142, Resulting Numbers: [142] 142,62 unequal: No Solution Exploring Operation: 86-56=30, Resulting Numbers: [30] 30,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,2 Current State: 62:[4, 34], Operations: ['86-74=12', '22+12=34'] Exploring Operation: 4*34=136, Resulting Numbers: [136] 136,62 unequal: No Solution Exploring Operation: 34-4=30, Resulting Numbers: [30] 30,62 unequal: No Solution Exploring Operation: 4+34=38, Resulting Numbers: [38] 38,62 unequal: No Solution Moving to Node #0,0,1 Current State: 62:[22, 3], Operations: ['86-74=12', '12/4=3'] Exploring Operation: 22*3=66, Resulting Numbers: [66] 66,62 unequal: No Solution Exploring Operation: 22-3=19, Resulting Numbers: [19] 19,62 unequal: No Solution Exploring Operation: 22+3=25, Resulting Numbers: [25] 25,62 unequal: No Solution Moving to Node #0,1,0 Current State: 62:[4, 10], Operations: ['86-22=64', '74-64=10'] Exploring Operation: 4+10=14, Resulting Numbers: [14] 14,62 unequal: No Solution Exploring Operation: 4*10=40, Resulting Numbers: [40] 40,62 unequal: No Solution Exploring Operation: 10-4=6, Resulting Numbers: [6] 6,62 unequal: No Solution Moving to Node #0,1,1 Current State: 62:[64, 70], Operations: ['86-22=64', '74-4=70'] Exploring Operation: 64*70=4480, Resulting Numbers: [4480] 4480,62 unequal: No Solution Exploring Operation: 64+70=134, Resulting Numbers: [134] 134,62 unequal: No Solution Exploring Operation: 70-64=6, Resulting Numbers: [6] 6,62 unequal: No Solution Moving to Node #0,0,0 Current State: 62:[4, 10], Operations: ['86-74=12', '22-12=10'] Exploring Operation: 4*10=40, Resulting Numbers: [40] 40,62 unequal: No Solution Exploring Operation: 4+10=14, Resulting Numbers: [14] 14,62 unequal: No Solution Exploring Operation: 10-4=6, Resulting Numbers: [6] 6,62 unequal: No Solution Moving to Node #0,1,2 Current State: 62:[74, 60], Operations: ['86-22=64', '64-4=60'] Exploring Operation: 74-60=14, Resulting Numbers: [14] 14,62 unequal: No Solution Exploring Operation: 74*60=4440, Resulting Numbers: [4440] 4440,62 unequal: No Solution Exploring Operation: 74+60=134, Resulting Numbers: [134] 134,62 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 40, 65, 49, 62 ]
86
[ "65-40=25", "49+62=111", "111-25=86" ]
Current State: 86:[40, 65, 49, 62], Operations: [] Exploring Operation: 65-40=25, Resulting Numbers: [49, 62, 25] Generated Node #2: [49, 62, 25] from Operation: 65-40=25 Current State: 86:[49, 62, 25], Operations: ['65-40=25'] Exploring Operation: 49+62=111, Resulting Numbers: [25, 111] Generated Node #3: [25, 111] from Operation: 49+62=111 Current State: 86:[25, 111], Operations: ['65-40=25', '49+62=111'] Exploring Operation: 111-25=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
4
Current State: 86:[40, 65, 49, 62], Operations: [] Exploring Operation: 62-49=13, Resulting Numbers: [40, 65, 13] Generated Node #0,0: 86:[40, 65, 13] Operation: 62-49=13 Exploring Operation: 40+49=89, Resulting Numbers: [65, 62, 89] Generated Node #0,1: 86:[65, 62, 89] Operation: 40+49=89 Exploring Operation: 65-49=16, Resulting Numbers: [40, 62, 16] Generated Node #0,2: 86:[40, 62, 16] Operation: 65-49=16 Exploring Operation: 65-40=25, Resulting Numbers: [49, 62, 25] Generated Node #0,3: 86:[49, 62, 25] Operation: 65-40=25 Exploring Operation: 65-62=3, Resulting Numbers: [40, 49, 3] Generated Node #0,4: 86:[40, 49, 3] Operation: 65-62=3 Moving to Node #0,4 Current State: 86:[40, 49, 3], Operations: ['65-62=3'] Exploring Operation: 49-3=46, Resulting Numbers: [40, 46] Generated Node #0,4,0: 86:[40, 46] Operation: 49-3=46 Exploring Operation: 49-40=9, Resulting Numbers: [3, 9] Generated Node #0,4,1: 86:[3, 9] Operation: 49-40=9 Exploring Operation: 40+3=43, Resulting Numbers: [49, 43] Generated Node #0,4,2: 86:[49, 43] Operation: 40+3=43 Exploring Operation: 40-3=37, Resulting Numbers: [49, 37] Generated Node #0,4,3: 86:[49, 37] Operation: 40-3=37 Exploring Operation: 40+49=89, Resulting Numbers: [3, 89] Generated Node #0,4,4: 86:[3, 89] Operation: 40+49=89 Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 86:[3, 89], Operations: ['65-62=3', '40+49=89'] Exploring Operation: 3*89=267, Resulting Numbers: [267] 267,86 unequal: No Solution Exploring Operation: 3+89=92, Resulting Numbers: [92] 92,86 unequal: No Solution Exploring Operation: 89-3=86, Resulting Numbers: [86] 86,86 equal: Goal Reached Moving to Node #0 Current State: 86:[40, 65, 49, 62], Operations: [] Exploring Operation: 65-62=3, Resulting Numbers: [40, 49, 3] Generated Node #0,4: 86:[40, 49, 3] Operation: 65-62=3 Moving to Node #0,4 Current State: 86:[40, 49, 3], Operations: ['65-62=3'] Exploring Operation: 40+49=89, Resulting Numbers: [3, 89] Generated Node #0,4,4: 86:[3, 89] Operation: 40+49=89 Moving to Node #0,4,4 Current State: 86:[3, 89], Operations: ['65-62=3', '40+49=89'] Exploring Operation: 89-3=86, Resulting Numbers: [86] 86,86 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_5
sum_heuristic
[ 48, 55, 3, 9 ]
98
[ "48*3=144", "55-9=46", "144-46=98" ]
Current State: 98:[48, 55, 3, 9], Operations: [] Exploring Operation: 48*3=144, Resulting Numbers: [55, 9, 144] Generated Node #2: [55, 9, 144] from Operation: 48*3=144 Current State: 98:[55, 9, 144], Operations: ['48*3=144'] Exploring Operation: 55-9=46, Resulting Numbers: [144, 46] Generated Node #3: [144, 46] from Operation: 55-9=46 Current State: 98:[144, 46], Operations: ['48*3=144', '55-9=46'] Exploring Operation: 144-46=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
4
Current State: 98:[48, 55, 3, 9], Operations: [] Exploring Operation: 55-48=7, Resulting Numbers: [3, 9, 7] Generated Node #0,0: 98:[3, 9, 7] Operation: 55-48=7 Start Sub Search at level 1: Moving to Node #0,0 Current State: 98:[3, 9, 7], Operations: ['55-48=7'] Exploring Operation: 9-3=6, Resulting Numbers: [7, 6] Generated Node #0,0,0: 98:[7, 6] Operation: 9-3=6 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 98:[7, 6], Operations: ['55-48=7', '9-3=6'] Exploring Operation: 7+6=13, Resulting Numbers: [13] 13,98 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
[ 31, 16, 47, 40 ]
54
[ "31+16=47", "47-40=7", "47+7=54" ]
Current State: 54:[31, 16, 47, 40], Operations: [] Exploring Operation: 31+16=47, Resulting Numbers: [47, 40, 47] Generated Node #2: [47, 40, 47] from Operation: 31+16=47 Current State: 54:[47, 40, 47], Operations: ['31+16=47'] Exploring Operation: 47-40=7, Resulting Numbers: [7] 7,54 equal: Goal Reached Exploring Operation: 47+7=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
4
Current State: 54:[31, 16, 47, 40], Operations: [] Exploring Operation: 47-40=7, Resulting Numbers: [31, 16, 7] Generated Node #0,0: 54:[31, 16, 7] Operation: 47-40=7 Moving to Node #0,0 Current State: 54:[31, 16, 7], Operations: ['47-40=7'] Exploring Operation: 31-16=15, Resulting Numbers: [7, 15] Generated Node #0,0,0: 54:[7, 15] Operation: 31-16=15 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 54:[7, 15], Operations: ['47-40=7', '31-16=15'] Exploring Operation: 15-7=8, Resulting Numbers: [8] 8,54 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 1, 69, 30, 11 ]
23
[ "11-1=10", "69*10=690", "690/30=23" ]
Current State: 23:[1, 69, 30, 11], Operations: [] Exploring Operation: 11-1=10, Resulting Numbers: [69, 30, 10] Generated Node #2: [69, 30, 10] from Operation: 11-1=10 Current State: 23:[69, 30, 10], Operations: ['11-1=10'] Exploring Operation: 69*10=690, Resulting Numbers: [30, 690] Generated Node #3: [30, 690] from Operation: 69*10=690 Current State: 23:[30, 690], Operations: ['11-1=10', '69*10=690'] Exploring Operation: 690/30=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
4
Current State: 23:[1, 69, 30, 11], Operations: [] Exploring Operation: 69-30=39, Resulting Numbers: [1, 11, 39] Generated Node #0,0: 23:[1, 11, 39] Operation: 69-30=39 Exploring Operation: 69-1=68, Resulting Numbers: [30, 11, 68] Generated Node #0,1: 23:[30, 11, 68] Operation: 69-1=68 Exploring Operation: 30-1=29, Resulting Numbers: [69, 11, 29] Generated Node #0,2: 23:[69, 11, 29] Operation: 30-1=29 Start Sub Search at level 1: Moving to Node #0,0 Current State: 23:[1, 11, 39], Operations: ['69-30=39'] Exploring Operation: 1+11=12, Resulting Numbers: [39, 12] Generated Node #0,0,0: 23:[39, 12] Operation: 1+11=12 Exploring Operation: 39-11=28, Resulting Numbers: [1, 28] Generated Node #0,0,1: 23:[1, 28] Operation: 39-11=28 Exploring Operation: 39-1=38, Resulting Numbers: [11, 38] Generated Node #0,0,2: 23:[11, 38] Operation: 39-1=38 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 23:[39, 12], Operations: ['69-30=39', '1+11=12'] Exploring Operation: 39+12=51, Resulting Numbers: [51] 51,23 unequal: No Solution Exploring Operation: 39-12=27, Resulting Numbers: [27] 27,23 unequal: No Solution Exploring Operation: 39*12=468, Resulting Numbers: [468] 468,23 unequal: No Solution No 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: 23:[1, 28], Operations: ['69-30=39', '39-11=28'] Exploring Operation: 1*28=28, Resulting Numbers: [28] 28,23 unequal: No Solution Exploring Operation: 28-1=27, Resulting Numbers: [27] 27,23 unequal: No Solution Exploring Operation: 28/1=28, Resulting Numbers: [28] 28,23 unequal: No Solution No 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: 23:[11, 38], Operations: ['69-30=39', '39-1=38'] Exploring Operation: 11*38=418, Resulting Numbers: [418] 418,23 unequal: No Solution Exploring Operation: 38-11=27, Resulting Numbers: [27] 27,23 unequal: No Solution Exploring Operation: 11+38=49, Resulting Numbers: [49] 49,23 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: 23:[30, 11, 68], Operations: ['69-1=68'] Exploring Operation: 68-11=57, Resulting Numbers: [30, 57] Generated Node #0,1,0: 23:[30, 57] Operation: 68-11=57 Exploring Operation: 68-30=38, Resulting Numbers: [11, 38] Generated Node #0,1,1: 23:[11, 38] Operation: 68-30=38 Exploring Operation: 30-11=19, Resulting Numbers: [68, 19] Generated Node #0,1,2: 23:[68, 19] Operation: 30-11=19 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 23:[11, 38], Operations: ['69-1=68', '68-30=38'] Exploring Operation: 38-11=27, Resulting Numbers: [27] 27,23 unequal: No Solution Exploring Operation: 11+38=49, Resulting Numbers: [49] 49,23 unequal: No Solution Exploring Operation: 11*38=418, Resulting Numbers: [418] 418,23 unequal: No Solution No 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: 23:[30, 57], Operations: ['69-1=68', '68-11=57'] Exploring Operation: 57-30=27, Resulting Numbers: [27] 27,23 unequal: No Solution Exploring Operation: 30*57=1710, Resulting Numbers: [1710] 1710,23 unequal: No Solution Exploring Operation: 30+57=87, Resulting Numbers: [87] 87,23 unequal: No Solution No 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: 23:[68, 19], Operations: ['69-1=68', '30-11=19'] Exploring Operation: 68+19=87, Resulting Numbers: [87] 87,23 unequal: No Solution Exploring Operation: 68*19=1292, Resulting Numbers: [1292] 1292,23 unequal: No Solution Exploring Operation: 68-19=49, Resulting Numbers: [49] 49,23 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: 23:[69, 11, 29], Operations: ['30-1=29'] Exploring Operation: 29-11=18, Resulting Numbers: [69, 18] Generated Node #0,2,0: 23:[69, 18] Operation: 29-11=18 Exploring Operation: 69-29=40, Resulting Numbers: [11, 40] Generated Node #0,2,1: 23:[11, 40] Operation: 69-29=40 Exploring Operation: 69-11=58, Resulting Numbers: [29, 58] Generated Node #0,2,2: 23:[29, 58] Operation: 69-11=58 Moving to Node #0,2,1 Current State: 23:[11, 40], Operations: ['30-1=29', '69-29=40'] Exploring Operation: 11+40=51, Resulting Numbers: [51] 51,23 unequal: No Solution Exploring Operation: 40-11=29, Resulting Numbers: [29] 29,23 unequal: No Solution Exploring Operation: 11*40=440, Resulting Numbers: [440] 440,23 unequal: No Solution Moving to Node #0,2,2 Current State: 23:[29, 58], Operations: ['30-1=29', '69-11=58'] Exploring Operation: 29+58=87, Resulting Numbers: [87] 87,23 unequal: No Solution Exploring Operation: 58-29=29, Resulting Numbers: [29] 29,23 unequal: No Solution Exploring Operation: 58/29=2, Resulting Numbers: [2] 2,23 unequal: No Solution Moving to Node #0,2,0 Current State: 23:[69, 18], Operations: ['30-1=29', '29-11=18'] Exploring Operation: 69+18=87, Resulting Numbers: [87] 87,23 unequal: No Solution Exploring Operation: 69*18=1242, Resulting Numbers: [1242] 1242,23 unequal: No Solution Exploring Operation: 69-18=51, Resulting Numbers: [51] 51,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 10, 70, 58, 8 ]
46
[ "10-8=2", "58*2=116", "116-70=46" ]
Current State: 46:[10, 70, 58, 8], Operations: [] Exploring Operation: 10-8=2, Resulting Numbers: [70, 58, 2] Generated Node #2: [70, 58, 2] from Operation: 10-8=2 Current State: 46:[70, 58, 2], Operations: ['10-8=2'] Exploring Operation: 58*2=116, Resulting Numbers: [70, 116] Generated Node #3: [70, 116] from Operation: 58*2=116 Current State: 46:[70, 116], Operations: ['10-8=2', '58*2=116'] Exploring Operation: 116-70=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
4
Current State: 46:[10, 70, 58, 8], Operations: [] Exploring Operation: 70/10=7, Resulting Numbers: [58, 8, 7] Generated Node #0,0: 46:[58, 8, 7] Operation: 70/10=7 Moving to Node #0,0 Current State: 46:[58, 8, 7], Operations: ['70/10=7'] Exploring Operation: 58-8=50, Resulting Numbers: [7, 50] Generated Node #0,0,0: 46:[7, 50] Operation: 58-8=50 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 46:[7, 50], Operations: ['70/10=7', '58-8=50'] Exploring Operation: 50-7=43, Resulting Numbers: [43] 43,46 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
[ 4, 11, 5, 13 ]
11
[ "11-4=7", "5+13=18", "18-7=11" ]
Current State: 11:[4, 11, 5, 13], Operations: [] Exploring Operation: 11-4=7, Resulting Numbers: [5, 13, 7] Generated Node #2: [5, 13, 7] from Operation: 11-4=7 Current State: 11:[5, 13, 7], Operations: ['11-4=7'] Exploring Operation: 5+13=18, Resulting Numbers: [7, 18] Generated Node #3: [7, 18] from Operation: 5+13=18 Current State: 11:[7, 18], Operations: ['11-4=7', '5+13=18'] Exploring Operation: 18-7=11, Resulting Numbers: [11] 11,11 equal: Goal Reached
4
Current State: 11:[4, 11, 5, 13], Operations: [] Exploring Operation: 4+5=9, Resulting Numbers: [11, 13, 9] Generated Node #0,0: 11:[11, 13, 9] Operation: 4+5=9 Moving to Node #0,0 Current State: 11:[11, 13, 9], Operations: ['4+5=9'] Exploring Operation: 13-9=4, Resulting Numbers: [11, 4] Generated Node #0,0,0: 11:[11, 4] Operation: 13-9=4 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 11:[11, 4], Operations: ['4+5=9', '13-9=4'] Exploring Operation: 11+4=15, Resulting Numbers: [15] 15,11 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
[ 24, 86, 49, 90 ]
16
[ "24*90=2160", "86+49=135", "2160/135=16" ]
Current State: 16:[24, 86, 49, 90], Operations: [] Exploring Operation: 24*90=2160, Resulting Numbers: [86, 49, 2160] Generated Node #2: [86, 49, 2160] from Operation: 24*90=2160 Current State: 16:[86, 49, 2160], Operations: ['24*90=2160'] Exploring Operation: 86+49=135, Resulting Numbers: [2160, 135] Generated Node #3: [2160, 135] from Operation: 86+49=135 Current State: 16:[2160, 135], Operations: ['24*90=2160', '86+49=135'] Exploring Operation: 2160/135=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[24, 86, 49, 90], Operations: [] Exploring Operation: 86-24=62, Resulting Numbers: [49, 90, 62] Generated Node #0,0: 16:[49, 90, 62] Operation: 86-24=62 Exploring Operation: 90-86=4, Resulting Numbers: [24, 49, 4] Generated Node #0,1: 16:[24, 49, 4] Operation: 90-86=4 Exploring Operation: 90-49=41, Resulting Numbers: [24, 86, 41] Generated Node #0,2: 16:[24, 86, 41] Operation: 90-49=41 Exploring Operation: 49-24=25, Resulting Numbers: [86, 90, 25] Generated Node #0,3: 16:[86, 90, 25] Operation: 49-24=25 Exploring Operation: 86-49=37, Resulting Numbers: [24, 90, 37] Generated Node #0,4: 16:[24, 90, 37] Operation: 86-49=37 Moving to Node #0,1 Current State: 16:[24, 49, 4], Operations: ['90-86=4'] Exploring Operation: 49-24=25, Resulting Numbers: [4, 25] Generated Node #0,1,0: 16:[4, 25] Operation: 49-24=25 Exploring Operation: 24/4=6, Resulting Numbers: [49, 6] Generated Node #0,1,1: 16:[49, 6] Operation: 24/4=6 Exploring Operation: 24+4=28, Resulting Numbers: [49, 28] Generated Node #0,1,2: 16:[49, 28] Operation: 24+4=28 Exploring Operation: 24-4=20, Resulting Numbers: [49, 20] Generated Node #0,1,3: 16:[49, 20] Operation: 24-4=20 Exploring Operation: 49-4=45, Resulting Numbers: [24, 45] Generated Node #0,1,4: 16:[24, 45] Operation: 49-4=45 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 16:[4, 25], Operations: ['90-86=4', '49-24=25'] Exploring Operation: 25-4=21, Resulting Numbers: [21] 21,16 unequal: No Solution Exploring Operation: 4+25=29, Resulting Numbers: [29] 29,16 unequal: No Solution Exploring Operation: 4*25=100, Resulting Numbers: [100] 100,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 16:[49, 6], Operations: ['90-86=4', '24/4=6'] Exploring Operation: 49+6=55, Resulting Numbers: [55] 55,16 unequal: No Solution Exploring Operation: 49*6=294, Resulting Numbers: [294] 294,16 unequal: No Solution Exploring Operation: 49-6=43, Resulting Numbers: [43] 43,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 16:[49, 20], Operations: ['90-86=4', '24-4=20'] Exploring Operation: 49+20=69, Resulting Numbers: [69] 69,16 unequal: No Solution Exploring Operation: 49*20=980, Resulting Numbers: [980] 980,16 unequal: No Solution Exploring Operation: 49-20=29, Resulting Numbers: [29] 29,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 16:[24, 45], Operations: ['90-86=4', '49-4=45'] Exploring Operation: 24*45=1080, Resulting Numbers: [1080] 1080,16 unequal: No Solution Exploring Operation: 45-24=21, Resulting Numbers: [21] 21,16 unequal: No Solution Exploring Operation: 24+45=69, Resulting Numbers: [69] 69,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 16:[49, 28], Operations: ['90-86=4', '24+4=28'] Exploring Operation: 49+28=77, Resulting Numbers: [77] 77,16 unequal: No Solution Exploring Operation: 49*28=1372, Resulting Numbers: [1372] 1372,16 unequal: No Solution Exploring Operation: 49-28=21, Resulting Numbers: [21] 21,16 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: 16:[24, 90, 37], Operations: ['86-49=37'] Exploring Operation: 24+90=114, Resulting Numbers: [37, 114] Generated Node #0,4,0: 16:[37, 114] Operation: 24+90=114 Exploring Operation: 24+37=61, Resulting Numbers: [90, 61] Generated Node #0,4,1: 16:[90, 61] Operation: 24+37=61 Exploring Operation: 37-24=13, Resulting Numbers: [90, 13] Generated Node #0,4,2: 16:[90, 13] Operation: 37-24=13 Exploring Operation: 90-37=53, Resulting Numbers: [24, 53] Generated Node #0,4,3: 16:[24, 53] Operation: 90-37=53 Exploring Operation: 90-24=66, Resulting Numbers: [37, 66] Generated Node #0,4,4: 16:[37, 66] Operation: 90-24=66 Moving to Node #0,2 Current State: 16:[24, 86, 41], Operations: ['90-49=41'] Exploring Operation: 24+86=110, Resulting Numbers: [41, 110] Generated Node #0,2,0: 16:[41, 110] Operation: 24+86=110 Exploring Operation: 86-41=45, Resulting Numbers: [24, 45] Generated Node #0,2,1: 16:[24, 45] Operation: 86-41=45 Exploring Operation: 41-24=17, Resulting Numbers: [86, 17] Generated Node #0,2,2: 16:[86, 17] Operation: 41-24=17 Exploring Operation: 24+41=65, Resulting Numbers: [86, 65] Generated Node #0,2,3: 16:[86, 65] Operation: 24+41=65 Exploring Operation: 86-24=62, Resulting Numbers: [41, 62] Generated Node #0,2,4: 16:[41, 62] Operation: 86-24=62 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 16:[24, 45], Operations: ['90-49=41', '86-41=45'] Exploring Operation: 24*45=1080, Resulting Numbers: [1080] 1080,16 unequal: No Solution Exploring Operation: 24+45=69, Resulting Numbers: [69] 69,16 unequal: No Solution Exploring Operation: 45-24=21, Resulting Numbers: [21] 21,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 16:[86, 17], Operations: ['90-49=41', '41-24=17'] Exploring Operation: 86*17=1462, Resulting Numbers: [1462] 1462,16 unequal: No Solution Exploring Operation: 86-17=69, Resulting Numbers: [69] 69,16 unequal: No Solution Exploring Operation: 86+17=103, Resulting Numbers: [103] 103,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 16:[41, 62], Operations: ['90-49=41', '86-24=62'] Exploring Operation: 41+62=103, Resulting Numbers: [103] 103,16 unequal: No Solution Exploring Operation: 62-41=21, Resulting Numbers: [21] 21,16 unequal: No Solution Exploring Operation: 41*62=2542, Resulting Numbers: [2542] 2542,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 16:[41, 110], Operations: ['90-49=41', '24+86=110'] Exploring Operation: 41+110=151, Resulting Numbers: [151] 151,16 unequal: No Solution Exploring Operation: 41*110=4510, Resulting Numbers: [4510] 4510,16 unequal: No Solution Exploring Operation: 110-41=69, Resulting Numbers: [69] 69,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 16:[86, 65], Operations: ['90-49=41', '24+41=65'] Exploring Operation: 86+65=151, Resulting Numbers: [151] 151,16 unequal: No Solution Exploring Operation: 86-65=21, Resulting Numbers: [21] 21,16 unequal: No Solution Exploring Operation: 86*65=5590, Resulting Numbers: [5590] 5590,16 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: 16:[49, 90, 62], Operations: ['86-24=62'] Exploring Operation: 90-62=28, Resulting Numbers: [49, 28] Generated Node #0,0,0: 16:[49, 28] Operation: 90-62=28 Exploring Operation: 90-49=41, Resulting Numbers: [62, 41] Generated Node #0,0,1: 16:[62, 41] Operation: 90-49=41 Exploring Operation: 62-49=13, Resulting Numbers: [90, 13] Generated Node #0,0,2: 16:[90, 13] Operation: 62-49=13 Exploring Operation: 49+90=139, Resulting Numbers: [62, 139] Generated Node #0,0,3: 16:[62, 139] Operation: 49+90=139 Exploring Operation: 49+62=111, Resulting Numbers: [90, 111] Generated Node #0,0,4: 16:[90, 111] Operation: 49+62=111 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 16:[49, 28], Operations: ['86-24=62', '90-62=28'] Exploring Operation: 49*28=1372, Resulting Numbers: [1372] 1372,16 unequal: No Solution Exploring Operation: 49-28=21, Resulting Numbers: [21] 21,16 unequal: No Solution Exploring Operation: 49+28=77, Resulting Numbers: [77] 77,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 16:[62, 41], Operations: ['86-24=62', '90-49=41'] Exploring Operation: 62+41=103, Resulting Numbers: [103] 103,16 unequal: No Solution Exploring Operation: 62*41=2542, Resulting Numbers: [2542] 2542,16 unequal: No Solution Exploring Operation: 62-41=21, Resulting Numbers: [21] 21,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 16:[90, 13], Operations: ['86-24=62', '62-49=13'] Exploring Operation: 90*13=1170, Resulting Numbers: [1170] 1170,16 unequal: No Solution Exploring Operation: 90+13=103, Resulting Numbers: [103] 103,16 unequal: No Solution Exploring Operation: 90-13=77, Resulting Numbers: [77] 77,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 16:[62, 139], Operations: ['86-24=62', '49+90=139'] Exploring Operation: 139-62=77, Resulting Numbers: [77] 77,16 unequal: No Solution Exploring Operation: 62*139=8618, Resulting Numbers: [8618] 8618,16 unequal: No Solution Exploring Operation: 62+139=201, Resulting Numbers: [201] 201,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 16:[90, 111], Operations: ['86-24=62', '49+62=111'] Exploring Operation: 90+111=201, Resulting Numbers: [201] 201,16 unequal: No Solution Exploring Operation: 90*111=9990, Resulting Numbers: [9990] 9990,16 unequal: No Solution Exploring Operation: 111-90=21, Resulting Numbers: [21] 21,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3 Current State: 16:[86, 90, 25], Operations: ['49-24=25'] Exploring Operation: 86-25=61, Resulting Numbers: [90, 61] Generated Node #0,3,0: 16:[90, 61] Operation: 86-25=61 Exploring Operation: 86+90=176, Resulting Numbers: [25, 176] Generated Node #0,3,1: 16:[25, 176] Operation: 86+90=176 Exploring Operation: 86+25=111, Resulting Numbers: [90, 111] Generated Node #0,3,2: 16:[90, 111] Operation: 86+25=111 Exploring Operation: 90-25=65, Resulting Numbers: [86, 65] Generated Node #0,3,3: 16:[86, 65] Operation: 90-25=65 Exploring Operation: 90-86=4, Resulting Numbers: [25, 4] Generated Node #0,3,4: 16:[25, 4] Operation: 90-86=4 Moving to Node #0,3,4 Current State: 16:[25, 4], Operations: ['49-24=25', '90-86=4'] Exploring Operation: 25*4=100, Resulting Numbers: [100] 100,16 unequal: No Solution Exploring Operation: 25+4=29, Resulting Numbers: [29] 29,16 unequal: No Solution Exploring Operation: 25-4=21, Resulting Numbers: [21] 21,16 unequal: No Solution Moving to Node #0,4,3 Current State: 16:[24, 53], Operations: ['86-49=37', '90-37=53'] Exploring Operation: 24*53=1272, Resulting Numbers: [1272] 1272,16 unequal: No Solution Exploring Operation: 53-24=29, Resulting Numbers: [29] 29,16 unequal: No Solution Exploring Operation: 24+53=77, Resulting Numbers: [77] 77,16 unequal: No Solution Moving to Node #0,4,4 Current State: 16:[37, 66], Operations: ['86-49=37', '90-24=66'] Exploring Operation: 37*66=2442, Resulting Numbers: [2442] 2442,16 unequal: No Solution Exploring Operation: 37+66=103, Resulting Numbers: [103] 103,16 unequal: No Solution Exploring Operation: 66-37=29, Resulting Numbers: [29] 29,16 unequal: No Solution Moving to Node #0,4,2 Current State: 16:[90, 13], Operations: ['86-49=37', '37-24=13'] Exploring Operation: 90-13=77, Resulting Numbers: [77] 77,16 unequal: No Solution Exploring Operation: 90+13=103, Resulting Numbers: [103] 103,16 unequal: No Solution Exploring Operation: 90*13=1170, Resulting Numbers: [1170] 1170,16 unequal: No Solution Moving to Node #0,3,0 Current State: 16:[90, 61], Operations: ['49-24=25', '86-25=61'] Exploring Operation: 90+61=151, Resulting Numbers: [151] 151,16 unequal: No Solution Exploring Operation: 90*61=5490, Resulting Numbers: [5490] 5490,16 unequal: No Solution Exploring Operation: 90-61=29, Resulting Numbers: [29] 29,16 unequal: No Solution Moving to Node #0,3,3 Current State: 16:[86, 65], Operations: ['49-24=25', '90-25=65'] Exploring Operation: 86+65=151, Resulting Numbers: [151] 151,16 unequal: No Solution Exploring Operation: 86*65=5590, Resulting Numbers: [5590] 5590,16 unequal: No Solution Exploring Operation: 86-65=21, Resulting Numbers: [21] 21,16 unequal: No Solution Moving to Node #0,4,1 Current State: 16:[90, 61], Operations: ['86-49=37', '24+37=61'] Exploring Operation: 90+61=151, Resulting Numbers: [151] 151,16 unequal: No Solution Exploring Operation: 90-61=29, Resulting Numbers: [29] 29,16 unequal: No Solution Exploring Operation: 90*61=5490, Resulting Numbers: [5490] 5490,16 unequal: No Solution Moving to Node #0,4,0 Current State: 16:[37, 114], Operations: ['86-49=37', '24+90=114'] Exploring Operation: 37*114=4218, Resulting Numbers: [4218] 4218,16 unequal: No Solution Exploring Operation: 114-37=77, Resulting Numbers: [77] 77,16 unequal: No Solution Exploring Operation: 37+114=151, Resulting Numbers: [151] 151,16 unequal: No Solution Moving to Node #0,3,1 Current State: 16:[25, 176], Operations: ['49-24=25', '86+90=176'] Exploring Operation: 25+176=201, Resulting Numbers: [201] 201,16 unequal: No Solution Exploring Operation: 25*176=4400, Resulting Numbers: [4400] 4400,16 unequal: No Solution Exploring Operation: 176-25=151, Resulting Numbers: [151] 151,16 unequal: No Solution Moving to Node #0,3,2 Current State: 16:[90, 111], Operations: ['49-24=25', '86+25=111'] Exploring Operation: 90+111=201, Resulting Numbers: [201] 201,16 unequal: No Solution Exploring Operation: 111-90=21, Resulting Numbers: [21] 21,16 unequal: No Solution Exploring Operation: 90*111=9990, Resulting Numbers: [9990] 9990,16 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 6, 43, 30, 47 ]
15
[ "6+43=49", "49-47=2", "30/2=15" ]
Current State: 15:[6, 43, 30, 47], Operations: [] Exploring Operation: 6+43=49, Resulting Numbers: [30, 47, 49] Generated Node #2: [30, 47, 49] from Operation: 6+43=49 Current State: 15:[30, 47, 49], Operations: ['6+43=49'] Exploring Operation: 49-47=2, Resulting Numbers: [30, 2] Generated Node #3: [30, 2] from Operation: 49-47=2 Current State: 15:[30, 2], Operations: ['6+43=49', '49-47=2'] Exploring Operation: 30/2=15, Resulting Numbers: [15] 15,15 equal: Goal Reached
4
Current State: 15:[6, 43, 30, 47], Operations: [] Exploring Operation: 47-43=4, Resulting Numbers: [6, 30, 4] Generated Node #0,0: 15:[6, 30, 4] Operation: 47-43=4 Start Sub Search at level 1: Moving to Node #0,0 Current State: 15:[6, 30, 4], Operations: ['47-43=4'] Exploring Operation: 30/6=5, Resulting Numbers: [4, 5] Generated Node #0,0,0: 15:[4, 5] Operation: 30/6=5 Moving to Node #0,0,0 Current State: 15:[4, 5], Operations: ['47-43=4', '30/6=5'] Exploring Operation: 5-4=1, Resulting Numbers: [1] 1,15 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
[ 14, 79, 61, 49 ]
81
[ "14+79=93", "61-49=12", "93-12=81" ]
Current State: 81:[14, 79, 61, 49], Operations: [] Exploring Operation: 14+79=93, Resulting Numbers: [61, 49, 93] Generated Node #2: [61, 49, 93] from Operation: 14+79=93 Current State: 81:[61, 49, 93], Operations: ['14+79=93'] Exploring Operation: 61-49=12, Resulting Numbers: [93, 12] Generated Node #3: [93, 12] from Operation: 61-49=12 Current State: 81:[93, 12], Operations: ['14+79=93', '61-49=12'] Exploring Operation: 93-12=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[14, 79, 61, 49], Operations: [] Exploring Operation: 61-49=12, Resulting Numbers: [14, 79, 12] Generated Node #0,0: 81:[14, 79, 12] Operation: 61-49=12 Moving to Node #0,0 Current State: 81:[14, 79, 12], Operations: ['61-49=12'] Exploring Operation: 14+12=26, Resulting Numbers: [79, 26] Generated Node #0,0,0: 81:[79, 26] Operation: 14+12=26 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 81:[79, 26], Operations: ['61-49=12', '14+12=26'] Exploring Operation: 79+26=105, Resulting Numbers: [105] 105,81 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
[ 43, 44, 90, 90 ]
87
[ "43+44=87", "90-90=0", "87+0=87" ]
Current State: 87:[43, 44, 90, 90], Operations: [] Exploring Operation: 43+44=87, Resulting Numbers: [90, 90, 87] Generated Node #2: [90, 90, 87] from Operation: 43+44=87 Current State: 87:[90, 90, 87], Operations: ['43+44=87'] Exploring Operation: 90-90=0, Resulting Numbers: [87, 0] Generated Node #3: [87, 0] from Operation: 90-90=0 Current State: 87:[87, 0], Operations: ['43+44=87', '90-90=0'] Exploring Operation: 87+0=87, Resulting Numbers: [87] 87,87 equal: Goal Reached
4
Current State: 87:[43, 44, 90, 90], Operations: [] Exploring Operation: 43+44=87, Resulting Numbers: [90, 90, 87] Generated Node #0,0: 87:[90, 90, 87] Operation: 43+44=87 Start Sub Search at level 1: Moving to Node #0,0 Current State: 87:[90, 90, 87], Operations: ['43+44=87'] Exploring Operation: 90/90=1, Resulting Numbers: [87, 1] Generated Node #0,0,0: 87:[87, 1] Operation: 90/90=1 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 87:[87, 1], Operations: ['43+44=87', '90/90=1'] Exploring Operation: 87*1=87, Resulting Numbers: [87] 87,87 equal: Goal Reached Moving to Node #0 Current State: 87:[43, 44, 90, 90], Operations: [] Exploring Operation: 43+44=87, Resulting Numbers: [90, 90, 87] Generated Node #0,0: 87:[90, 90, 87] Operation: 43+44=87 Moving to Node #0,0 Current State: 87:[90, 90, 87], Operations: ['43+44=87'] Exploring Operation: 90/90=1, Resulting Numbers: [87, 1] Generated Node #0,0,0: 87:[87, 1] Operation: 90/90=1 Moving to Node #0,0,0 Current State: 87:[87, 1], Operations: ['43+44=87', '90/90=1'] Exploring Operation: 87*1=87, Resulting Numbers: [87] 87,87 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 46, 41, 82, 66 ]
22
[ "66-46=20", "82/41=2", "20+2=22" ]
Current State: 22:[46, 41, 82, 66], Operations: [] Exploring Operation: 66-46=20, Resulting Numbers: [41, 82, 20] Generated Node #2: [41, 82, 20] from Operation: 66-46=20 Current State: 22:[41, 82, 20], Operations: ['66-46=20'] Exploring Operation: 82/41=2, Resulting Numbers: [20, 2] Generated Node #3: [20, 2] from Operation: 82/41=2 Current State: 22:[20, 2], Operations: ['66-46=20', '82/41=2'] Exploring Operation: 20+2=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
4
Current State: 22:[46, 41, 82, 66], Operations: [] Exploring Operation: 82-66=16, Resulting Numbers: [46, 41, 16] Generated Node #0,0: 22:[46, 41, 16] Operation: 82-66=16 Exploring Operation: 66-46=20, Resulting Numbers: [41, 82, 20] Generated Node #0,1: 22:[41, 82, 20] Operation: 66-46=20 Exploring Operation: 82/41=2, Resulting Numbers: [46, 66, 2] Generated Node #0,2: 22:[46, 66, 2] Operation: 82/41=2 Exploring Operation: 82-46=36, Resulting Numbers: [41, 66, 36] Generated Node #0,3: 22:[41, 66, 36] Operation: 82-46=36 Start Sub Search at level 1: Moving to Node #0,0 Current State: 22:[46, 41, 16], Operations: ['82-66=16'] Exploring Operation: 41-16=25, Resulting Numbers: [46, 25] Generated Node #0,0,0: 22:[46, 25] Operation: 41-16=25 Exploring Operation: 46+16=62, Resulting Numbers: [41, 62] Generated Node #0,0,1: 22:[41, 62] Operation: 46+16=62 Exploring Operation: 46-41=5, Resulting Numbers: [16, 5] Generated Node #0,0,2: 22:[16, 5] Operation: 46-41=5 Exploring Operation: 46-16=30, Resulting Numbers: [41, 30] Generated Node #0,0,3: 22:[41, 30] Operation: 46-16=30 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 22:[16, 5], Operations: ['82-66=16', '46-41=5'] Exploring Operation: 16*5=80, Resulting Numbers: [80] 80,22 unequal: No Solution Exploring Operation: 16+5=21, Resulting Numbers: [21] 21,22 unequal: No Solution Exploring Operation: 16-5=11, Resulting Numbers: [11] 11,22 unequal: No Solution No 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: 22:[46, 25], Operations: ['82-66=16', '41-16=25'] Exploring Operation: 46-25=21, Resulting Numbers: [21] 21,22 unequal: No Solution Exploring Operation: 46*25=1150, Resulting Numbers: [1150] 1150,22 unequal: No Solution Exploring Operation: 46+25=71, Resulting Numbers: [71] 71,22 unequal: No Solution No 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: 22:[41, 30], Operations: ['82-66=16', '46-16=30'] Exploring Operation: 41+30=71, Resulting Numbers: [71] 71,22 unequal: No Solution Exploring Operation: 41*30=1230, Resulting Numbers: [1230] 1230,22 unequal: No Solution Exploring Operation: 41-30=11, Resulting Numbers: [11] 11,22 unequal: No Solution No 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: 22:[41, 62], Operations: ['82-66=16', '46+16=62'] Exploring Operation: 41*62=2542, Resulting Numbers: [2542] 2542,22 unequal: No Solution Exploring Operation: 41+62=103, Resulting Numbers: [103] 103,22 unequal: No Solution Exploring Operation: 62-41=21, Resulting Numbers: [21] 21,22 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 22:[46, 66, 2], Operations: ['82/41=2'] Exploring Operation: 46/2=23, Resulting Numbers: [66, 23] Generated Node #0,2,0: 22:[66, 23] Operation: 46/2=23 Exploring Operation: 66/2=33, Resulting Numbers: [46, 33] Generated Node #0,2,1: 22:[46, 33] Operation: 66/2=33 Exploring Operation: 46-2=44, Resulting Numbers: [66, 44] Generated Node #0,2,2: 22:[66, 44] Operation: 46-2=44 Exploring Operation: 66-46=20, Resulting Numbers: [2, 20] Generated Node #0,2,3: 22:[2, 20] Operation: 66-46=20 Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 22:[2, 20], Operations: ['82/41=2', '66-46=20'] Exploring Operation: 20/2=10, Resulting Numbers: [10] 10,22 unequal: No Solution Exploring Operation: 2*20=40, Resulting Numbers: [40] 40,22 unequal: No Solution Exploring Operation: 20-2=18, Resulting Numbers: [18] 18,22 unequal: No Solution Exploring Operation: 2+20=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Moving to Node #0 Current State: 22:[46, 41, 82, 66], Operations: [] Exploring Operation: 82/41=2, Resulting Numbers: [46, 66, 2] Generated Node #0,2: 22:[46, 66, 2] Operation: 82/41=2 Moving to Node #0,2 Current State: 22:[46, 66, 2], Operations: ['82/41=2'] Exploring Operation: 66-46=20, Resulting Numbers: [2, 20] Generated Node #0,2,3: 22:[2, 20] Operation: 66-46=20 Moving to Node #0,2,3 Current State: 22:[2, 20], Operations: ['82/41=2', '66-46=20'] Exploring Operation: 2+20=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.972222
hs_4
sum_heuristic
[ 68, 75, 36, 81 ]
62
[ "81-75=6", "36/6=6", "68-6=62" ]
Current State: 62:[68, 75, 36, 81], Operations: [] Exploring Operation: 81-75=6, Resulting Numbers: [68, 36, 6] Generated Node #2: [68, 36, 6] from Operation: 81-75=6 Current State: 62:[68, 36, 6], Operations: ['81-75=6'] Exploring Operation: 36/6=6, Resulting Numbers: [68, 6] Generated Node #3: [68, 6] from Operation: 36/6=6 Current State: 62:[68, 6], Operations: ['81-75=6', '36/6=6'] Exploring Operation: 68-6=62, Resulting Numbers: [62] 62,62 equal: Goal Reached
4
Current State: 62:[68, 75, 36, 81], Operations: [] Exploring Operation: 81-75=6, Resulting Numbers: [68, 36, 6] Generated Node #0,0: 62:[68, 36, 6] Operation: 81-75=6 Exploring Operation: 75-68=7, Resulting Numbers: [36, 81, 7] Generated Node #0,1: 62:[36, 81, 7] Operation: 75-68=7 Exploring Operation: 81-68=13, Resulting Numbers: [75, 36, 13] Generated Node #0,2: 62:[75, 36, 13] Operation: 81-68=13 Moving to Node #0,0 Current State: 62:[68, 36, 6], Operations: ['81-75=6'] Exploring Operation: 68-36=32, Resulting Numbers: [6, 32] Generated Node #0,0,0: 62:[6, 32] Operation: 68-36=32 Exploring Operation: 36-6=30, Resulting Numbers: [68, 30] Generated Node #0,0,1: 62:[68, 30] Operation: 36-6=30 Exploring Operation: 68-6=62, Resulting Numbers: [36, 62] Generated Node #0,0,2: 62:[36, 62] Operation: 68-6=62 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 62:[6, 32], Operations: ['81-75=6', '68-36=32'] Exploring Operation: 6+32=38, Resulting Numbers: [38] 38,62 unequal: No Solution Exploring Operation: 32-6=26, Resulting Numbers: [26] 26,62 unequal: No Solution Exploring Operation: 6*32=192, Resulting Numbers: [192] 192,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 62:[36, 62], Operations: ['81-75=6', '68-6=62'] Exploring Operation: 36*62=2232, Resulting Numbers: [2232] 2232,62 unequal: No Solution Exploring Operation: 36+62=98, Resulting Numbers: [98] 98,62 unequal: No Solution Exploring Operation: 62-36=26, Resulting Numbers: [26] 26,62 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:[68, 30], Operations: ['81-75=6', '36-6=30'] Exploring Operation: 68*30=2040, Resulting Numbers: [2040] 2040,62 unequal: No Solution Exploring Operation: 68+30=98, Resulting Numbers: [98] 98,62 unequal: No Solution Exploring Operation: 68-30=38, Resulting Numbers: [38] 38,62 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:[36, 81, 7], Operations: ['75-68=7'] Exploring Operation: 81-36=45, Resulting Numbers: [7, 45] Generated Node #0,1,0: 62:[7, 45] Operation: 81-36=45 Exploring Operation: 81-7=74, Resulting Numbers: [36, 74] Generated Node #0,1,1: 62:[36, 74] Operation: 81-7=74 Exploring Operation: 36-7=29, Resulting Numbers: [81, 29] Generated Node #0,1,2: 62:[81, 29] Operation: 36-7=29 Moving to Node #0,2 Current State: 62:[75, 36, 13], Operations: ['81-68=13'] Exploring Operation: 75-36=39, Resulting Numbers: [13, 39] Generated Node #0,2,0: 62:[13, 39] Operation: 75-36=39 Exploring Operation: 75-13=62, Resulting Numbers: [36, 62] Generated Node #0,2,1: 62:[36, 62] Operation: 75-13=62 Exploring Operation: 36-13=23, Resulting Numbers: [75, 23] Generated Node #0,2,2: 62:[75, 23] Operation: 36-13=23 Moving to Node #0,2,1 Current State: 62:[36, 62], Operations: ['81-68=13', '75-13=62'] Exploring Operation: 62-36=26, Resulting Numbers: [26] 26,62 unequal: No Solution Exploring Operation: 36+62=98, Resulting Numbers: [98] 98,62 unequal: No Solution Exploring Operation: 36*62=2232, Resulting Numbers: [2232] 2232,62 unequal: No Solution Moving to Node #0,1,1 Current State: 62:[36, 74], Operations: ['75-68=7', '81-7=74'] Exploring Operation: 74-36=38, Resulting Numbers: [38] 38,62 unequal: No Solution Exploring Operation: 36*74=2664, Resulting Numbers: [2664] 2664,62 unequal: No Solution Exploring Operation: 36+74=110, Resulting Numbers: [110] 110,62 unequal: No Solution Moving to Node #0,2,0 Current State: 62:[13, 39], Operations: ['81-68=13', '75-36=39'] Exploring Operation: 13+39=52, Resulting Numbers: [52] 52,62 unequal: No Solution Exploring Operation: 39-13=26, Resulting Numbers: [26] 26,62 unequal: No Solution Exploring Operation: 39/13=3, Resulting Numbers: [3] 3,62 unequal: No Solution Moving to Node #0,1,0 Current State: 62:[7, 45], Operations: ['75-68=7', '81-36=45'] Exploring Operation: 7*45=315, Resulting Numbers: [315] 315,62 unequal: No Solution Exploring Operation: 45-7=38, Resulting Numbers: [38] 38,62 unequal: No Solution Exploring Operation: 7+45=52, Resulting Numbers: [52] 52,62 unequal: No Solution Moving to Node #0,2,2 Current State: 62:[75, 23], Operations: ['81-68=13', '36-13=23'] Exploring Operation: 75+23=98, Resulting Numbers: [98] 98,62 unequal: No Solution Exploring Operation: 75-23=52, Resulting Numbers: [52] 52,62 unequal: No Solution Exploring Operation: 75*23=1725, Resulting Numbers: [1725] 1725,62 unequal: No Solution Moving to Node #0,1,2 Current State: 62:[81, 29], Operations: ['75-68=7', '36-7=29'] Exploring Operation: 81*29=2349, Resulting Numbers: [2349] 2349,62 unequal: No Solution Exploring Operation: 81+29=110, Resulting Numbers: [110] 110,62 unequal: No Solution Exploring Operation: 81-29=52, Resulting Numbers: [52] 52,62 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 16, 28, 24, 4 ]
13
[ "16+28=44", "44/4=11", "24-11=13" ]
Current State: 13:[16, 28, 24, 4], Operations: [] Exploring Operation: 16+28=44, Resulting Numbers: [24, 4, 44] Generated Node #2: [24, 4, 44] from Operation: 16+28=44 Current State: 13:[24, 4, 44], Operations: ['16+28=44'] Exploring Operation: 44/4=11, Resulting Numbers: [24, 11] Generated Node #3: [24, 11] from Operation: 44/4=11 Current State: 13:[24, 11], Operations: ['16+28=44', '44/4=11'] Exploring Operation: 24-11=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
4
Current State: 13:[16, 28, 24, 4], Operations: [] Exploring Operation: 28/4=7, Resulting Numbers: [16, 24, 7] Generated Node #0,0: 13:[16, 24, 7] Operation: 28/4=7 Exploring Operation: 28-24=4, Resulting Numbers: [16, 4, 4] Generated Node #0,1: 13:[16, 4, 4] Operation: 28-24=4 Exploring Operation: 28-16=12, Resulting Numbers: [24, 4, 12] Generated Node #0,2: 13:[24, 4, 12] Operation: 28-16=12 Moving to Node #0,0 Current State: 13:[16, 24, 7], Operations: ['28/4=7'] Exploring Operation: 24-16=8, Resulting Numbers: [7, 8] Generated Node #0,0,0: 13:[7, 8] Operation: 24-16=8 Exploring Operation: 24-7=17, Resulting Numbers: [16, 17] Generated Node #0,0,1: 13:[16, 17] Operation: 24-7=17 Exploring Operation: 16-7=9, Resulting Numbers: [24, 9] Generated Node #0,0,2: 13:[24, 9] Operation: 16-7=9 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 13:[16, 17], Operations: ['28/4=7', '24-7=17'] Exploring Operation: 16*17=272, Resulting Numbers: [272] 272,13 unequal: No Solution Exploring Operation: 17-16=1, Resulting Numbers: [1] 1,13 unequal: No Solution Exploring Operation: 16+17=33, Resulting Numbers: [33] 33,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 13:[7, 8], Operations: ['28/4=7', '24-16=8'] Exploring Operation: 8-7=1, Resulting Numbers: [1] 1,13 unequal: No Solution Exploring Operation: 7*8=56, Resulting Numbers: [56] 56,13 unequal: No Solution Exploring Operation: 7+8=15, Resulting Numbers: [15] 15,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 13:[24, 9], Operations: ['28/4=7', '16-7=9'] Exploring Operation: 24+9=33, Resulting Numbers: [33] 33,13 unequal: No Solution Exploring Operation: 24-9=15, Resulting Numbers: [15] 15,13 unequal: No Solution Exploring Operation: 24*9=216, Resulting Numbers: [216] 216,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 13:[16, 4, 4], Operations: ['28-24=4'] Exploring Operation: 16-4=12, Resulting Numbers: [4, 12] Generated Node #0,1,0: 13:[4, 12] Operation: 16-4=12 Exploring Operation: 4+4=8, Resulting Numbers: [16, 8] Generated Node #0,1,1: 13:[16, 8] Operation: 4+4=8 Exploring Operation: 4*4=16, Resulting Numbers: [16, 16] Generated Node #0,1,2: 13:[16, 16] Operation: 4*4=16 Moving to Node #0,2 Current State: 13:[24, 4, 12], Operations: ['28-16=12'] Exploring Operation: 24-4=20, Resulting Numbers: [12, 20] Generated Node #0,2,0: 13:[12, 20] Operation: 24-4=20 Exploring Operation: 24/4=6, Resulting Numbers: [12, 6] Generated Node #0,2,1: 13:[12, 6] Operation: 24/4=6 Exploring Operation: 24-12=12, Resulting Numbers: [4, 12] Generated Node #0,2,2: 13:[4, 12] Operation: 24-12=12 Moving to Node #0,1,2 Current State: 13:[16, 16], Operations: ['28-24=4', '4*4=16'] Exploring Operation: 16+16=32, Resulting Numbers: [32] 32,13 unequal: No Solution Exploring Operation: 16/16=1, Resulting Numbers: [1] 1,13 unequal: No Solution Exploring Operation: 16-16=0, Resulting Numbers: [0] 0,13 unequal: No Solution Moving to Node #0,1,1 Current State: 13:[16, 8], Operations: ['28-24=4', '4+4=8'] Exploring Operation: 16/8=2, Resulting Numbers: [2] 2,13 unequal: No Solution Exploring Operation: 16+8=24, Resulting Numbers: [24] 24,13 unequal: No Solution Exploring Operation: 16-8=8, Resulting Numbers: [8] 8,13 unequal: No Solution Moving to Node #0,2,1 Current State: 13:[12, 6], Operations: ['28-16=12', '24/4=6'] Exploring Operation: 12+6=18, Resulting Numbers: [18] 18,13 unequal: No Solution Exploring Operation: 12/6=2, Resulting Numbers: [2] 2,13 unequal: No Solution Exploring Operation: 12-6=6, Resulting Numbers: [6] 6,13 unequal: No Solution Moving to Node #0,2,0 Current State: 13:[12, 20], Operations: ['28-16=12', '24-4=20'] Exploring Operation: 20-12=8, Resulting Numbers: [8] 8,13 unequal: No Solution Exploring Operation: 12+20=32, Resulting Numbers: [32] 32,13 unequal: No Solution Exploring Operation: 12*20=240, Resulting Numbers: [240] 240,13 unequal: No Solution Moving to Node #0,2,2 Current State: 13:[4, 12], Operations: ['28-16=12', '24-12=12'] Exploring Operation: 12/4=3, Resulting Numbers: [3] 3,13 unequal: No Solution Exploring Operation: 4+12=16, Resulting Numbers: [16] 16,13 unequal: No Solution Exploring Operation: 12-4=8, Resulting Numbers: [8] 8,13 unequal: No Solution Moving to Node #0,1,0 Current State: 13:[4, 12], Operations: ['28-24=4', '16-4=12'] Exploring Operation: 4+12=16, Resulting Numbers: [16] 16,13 unequal: No Solution Exploring Operation: 12/4=3, Resulting Numbers: [3] 3,13 unequal: No Solution Exploring Operation: 12-4=8, Resulting Numbers: [8] 8,13 unequal: No Solution No solution found.
0
hs_3
sum_heuristic