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
[ 72, 42, 24, 82 ]
44
[ "72*42=3024", "3024/24=126", "126-82=44" ]
Current State: 44:[72, 42, 24, 82], Operations: [] Exploring Operation: 72*42=3024, Resulting Numbers: [24, 82, 3024] Generated Node #2: [24, 82, 3024] from Operation: 72*42=3024 Current State: 44:[24, 82, 3024], Operations: ['72*42=3024'] Exploring Operation: 3024/24=126, Resulting Numbers: [82, 126] Generated Node #3: [82, 126] from Operation: 3024/24=126 Current State: 44:[82, 126], Operations: ['72*42=3024', '3024/24=126'] Exploring Operation: 126-82=44, Resulting Numbers: [44] 44,44 equal: Goal Reached
4
Current State: 44:[72, 42, 24, 82], Operations: [] Exploring Operation: 82-72=10, Resulting Numbers: [42, 24, 10] Generated Node #0,0: 44:[42, 24, 10] Operation: 82-72=10 Start Sub Search at level 1: Moving to Node #0,0 Current State: 44:[42, 24, 10], Operations: ['82-72=10'] Exploring Operation: 42-24=18, Resulting Numbers: [10, 18] Generated Node #0,0,0: 44:[10, 18] Operation: 42-24=18 Moving to Node #0,0,0 Current State: 44:[10, 18], Operations: ['82-72=10', '42-24=18'] Exploring Operation: 18-10=8, Resulting Numbers: [8] 8,44 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
[ 19, 33, 2, 75 ]
15
[ "19*2=38", "38-33=5", "75/5=15" ]
Current State: 15:[19, 33, 2, 75], Operations: [] Exploring Operation: 19*2=38, Resulting Numbers: [33, 75, 38] Generated Node #2: [33, 75, 38] from Operation: 19*2=38 Current State: 15:[33, 75, 38], Operations: ['19*2=38'] Exploring Operation: 38-33=5, Resulting Numbers: [75, 5] Generated Node #3: [75, 5] from Operation: 38-33=5 Current State: 15:[75, 5], Operations: ['19*2=38', '38-33=5'] Exploring Operation: 75/5=15, Resulting Numbers: [15] 15,15 equal: Goal Reached
4
Current State: 15:[19, 33, 2, 75], Operations: [] Exploring Operation: 75-33=42, Resulting Numbers: [19, 2, 42] Generated Node #0,0: 15:[19, 2, 42] Operation: 75-33=42 Moving to Node #0,0 Current State: 15:[19, 2, 42], Operations: ['75-33=42'] Exploring Operation: 42-19=23, Resulting Numbers: [2, 23] Generated Node #0,0,0: 15:[2, 23] Operation: 42-19=23 Moving to Node #0,0,0 Current State: 15:[2, 23], Operations: ['75-33=42', '42-19=23'] Exploring Operation: 23-2=21, Resulting Numbers: [21] 21,15 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 79, 24, 14, 4 ]
73
[ "79-24=55", "14+4=18", "55+18=73" ]
Current State: 73:[79, 24, 14, 4], Operations: [] Exploring Operation: 79-24=55, Resulting Numbers: [14, 4, 55] Generated Node #2: [14, 4, 55] from Operation: 79-24=55 Current State: 73:[14, 4, 55], Operations: ['79-24=55'] Exploring Operation: 14+4=18, Resulting Numbers: [55, 18] Generated Node #3: [55, 18] from Operation: 14+4=18 Current State: 73:[55, 18], Operations: ['79-24=55', '14+4=18'] Exploring Operation: 55+18=73, Resulting Numbers: [73] 73,73 equal: Goal Reached
4
Current State: 73:[79, 24, 14, 4], Operations: [] Exploring Operation: 24*4=96, Resulting Numbers: [79, 14, 96] Generated Node #0,0: 73:[79, 14, 96] Operation: 24*4=96 Exploring Operation: 14*4=56, Resulting Numbers: [79, 24, 56] Generated Node #0,1: 73:[79, 24, 56] Operation: 14*4=56 Moving to Node #0,1 Current State: 73:[79, 24, 56], Operations: ['14*4=56'] Exploring Operation: 24+56=80, Resulting Numbers: [79, 80] Generated Node #0,1,0: 73:[79, 80] Operation: 24+56=80 Exploring Operation: 79-24=55, Resulting Numbers: [56, 55] Generated Node #0,1,1: 73:[56, 55] Operation: 79-24=55 Moving to Node #0,0 Current State: 73:[79, 14, 96], Operations: ['24*4=96'] Exploring Operation: 96-14=82, Resulting Numbers: [79, 82] Generated Node #0,0,0: 73:[79, 82] Operation: 96-14=82 Exploring Operation: 79-14=65, Resulting Numbers: [96, 65] Generated Node #0,0,1: 73:[96, 65] Operation: 79-14=65 Moving to Node #0,1,0 Current State: 73:[79, 80], Operations: ['14*4=56', '24+56=80'] Exploring Operation: 79+80=159, Resulting Numbers: [159] 159,73 unequal: No Solution Exploring Operation: 80-79=1, Resulting Numbers: [1] 1,73 unequal: No Solution Moving to Node #0,0,0 Current State: 73:[79, 82], Operations: ['24*4=96', '96-14=82'] Exploring Operation: 82-79=3, Resulting Numbers: [3] 3,73 unequal: No Solution Exploring Operation: 79+82=161, Resulting Numbers: [161] 161,73 unequal: No Solution Moving to Node #0,0,1 Current State: 73:[96, 65], Operations: ['24*4=96', '79-14=65'] Exploring Operation: 96+65=161, Resulting Numbers: [161] 161,73 unequal: No Solution Exploring Operation: 96-65=31, Resulting Numbers: [31] 31,73 unequal: No Solution Moving to Node #0,1,1 Current State: 73:[56, 55], Operations: ['14*4=56', '79-24=55'] Exploring Operation: 56+55=111, Resulting Numbers: [111] 111,73 unequal: No Solution Exploring Operation: 56-55=1, Resulting Numbers: [1] 1,73 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 21, 13, 7, 27 ]
36
[ "27-21=6", "13-7=6", "6*6=36" ]
Current State: 36:[21, 13, 7, 27], Operations: [] Exploring Operation: 27-21=6, Resulting Numbers: [13, 7, 6] Generated Node #2: [13, 7, 6] from Operation: 27-21=6 Current State: 36:[13, 7, 6], Operations: ['27-21=6'] Exploring Operation: 13-7=6, Resulting Numbers: [6, 6] Generated Node #3: [6, 6] from Operation: 13-7=6 Current State: 36:[6, 6], Operations: ['27-21=6', '13-7=6'] Exploring Operation: 6*6=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
4
Current State: 36:[21, 13, 7, 27], Operations: [] Exploring Operation: 27-21=6, Resulting Numbers: [13, 7, 6] Generated Node #0,0: 36:[13, 7, 6] Operation: 27-21=6 Exploring Operation: 7+27=34, Resulting Numbers: [21, 13, 34] Generated Node #0,1: 36:[21, 13, 34] Operation: 7+27=34 Exploring Operation: 27-13=14, Resulting Numbers: [21, 7, 14] Generated Node #0,2: 36:[21, 7, 14] Operation: 27-13=14 Moving to Node #0,0 Current State: 36:[13, 7, 6], Operations: ['27-21=6'] Exploring Operation: 13-7=6, Resulting Numbers: [6, 6] Generated Node #0,0,0: 36:[6, 6] Operation: 13-7=6 Exploring Operation: 13+6=19, Resulting Numbers: [7, 19] Generated Node #0,0,1: 36:[7, 19] Operation: 13+6=19 Exploring Operation: 13+7=20, Resulting Numbers: [6, 20] Generated Node #0,0,2: 36:[6, 20] Operation: 13+7=20 Moving to Node #0,1 Current State: 36:[21, 13, 34], Operations: ['7+27=34'] Exploring Operation: 34-21=13, Resulting Numbers: [13, 13] Generated Node #0,1,0: 36:[13, 13] Operation: 34-21=13 Exploring Operation: 21+13=34, Resulting Numbers: [34, 34] Generated Node #0,1,1: 36:[34, 34] Operation: 21+13=34 Exploring Operation: 21-13=8, Resulting Numbers: [34, 8] Generated Node #0,1,2: 36:[34, 8] Operation: 21-13=8 Moving to Node #0,2 Current State: 36:[21, 7, 14], Operations: ['27-13=14'] Exploring Operation: 21-14=7, Resulting Numbers: [7, 7] Generated Node #0,2,0: 36:[7, 7] Operation: 21-14=7 Exploring Operation: 21/7=3, Resulting Numbers: [14, 3] Generated Node #0,2,1: 36:[14, 3] Operation: 21/7=3 Exploring Operation: 21+14=35, Resulting Numbers: [7, 35] Generated Node #0,2,2: 36:[7, 35] Operation: 21+14=35 Moving to Node #0,0,0 Current State: 36:[6, 6], Operations: ['27-21=6', '13-7=6'] Exploring Operation: 6*6=36, Resulting Numbers: [36] 36,36 equal: Goal Reached Moving to Node #0 Current State: 36:[21, 13, 7, 27], Operations: [] Exploring Operation: 27-21=6, Resulting Numbers: [13, 7, 6] Generated Node #0,0: 36:[13, 7, 6] Operation: 27-21=6 Moving to Node #0,0 Current State: 36:[13, 7, 6], Operations: ['27-21=6'] Exploring Operation: 13-7=6, Resulting Numbers: [6, 6] Generated Node #0,0,0: 36:[6, 6] Operation: 13-7=6 Moving to Node #0,0,0 Current State: 36:[6, 6], Operations: ['27-21=6', '13-7=6'] Exploring Operation: 6*6=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
0.985243
hs_3
mult_heuristic
[ 25, 45, 71, 34 ]
76
[ "34-25=9", "45/9=5", "71+5=76" ]
Current State: 76:[25, 45, 71, 34], Operations: [] Exploring Operation: 34-25=9, Resulting Numbers: [45, 71, 9] Generated Node #2: [45, 71, 9] from Operation: 34-25=9 Current State: 76:[45, 71, 9], Operations: ['34-25=9'] Exploring Operation: 45/9=5, Resulting Numbers: [71, 5] Generated Node #3: [71, 5] from Operation: 45/9=5 Current State: 76:[71, 5], Operations: ['34-25=9', '45/9=5'] Exploring Operation: 71+5=76, Resulting Numbers: [76] 76,76 equal: Goal Reached
4
Current State: 76:[25, 45, 71, 34], Operations: [] Exploring Operation: 25+45=70, Resulting Numbers: [71, 34, 70] Generated Node #0,0: 76:[71, 34, 70] Operation: 25+45=70 Exploring Operation: 45-25=20, Resulting Numbers: [71, 34, 20] Generated Node #0,1: 76:[71, 34, 20] Operation: 45-25=20 Exploring Operation: 71-34=37, Resulting Numbers: [25, 45, 37] Generated Node #0,2: 76:[25, 45, 37] Operation: 71-34=37 Exploring Operation: 45+34=79, Resulting Numbers: [25, 71, 79] Generated Node #0,3: 76:[25, 71, 79] Operation: 45+34=79 Start Sub Search at level 1: Moving to Node #0,1 Current State: 76:[71, 34, 20], Operations: ['45-25=20'] Exploring Operation: 34-20=14, Resulting Numbers: [71, 14] Generated Node #0,1,0: 76:[71, 14] Operation: 34-20=14 Exploring Operation: 71+20=91, Resulting Numbers: [34, 91] Generated Node #0,1,1: 76:[34, 91] Operation: 71+20=91 Exploring Operation: 71-34=37, Resulting Numbers: [20, 37] Generated Node #0,1,2: 76:[20, 37] Operation: 71-34=37 Exploring Operation: 71-20=51, Resulting Numbers: [34, 51] Generated Node #0,1,3: 76:[34, 51] Operation: 71-20=51 Moving to Node #0,1,2 Current State: 76:[20, 37], Operations: ['45-25=20', '71-34=37'] Exploring Operation: 20+37=57, Resulting Numbers: [57] 57,76 unequal: No Solution Exploring Operation: 20*37=740, Resulting Numbers: [740] 740,76 unequal: No Solution Exploring Operation: 37-20=17, Resulting Numbers: [17] 17,76 unequal: No Solution Moving to Node #0,1,0 Current State: 76:[71, 14], Operations: ['45-25=20', '34-20=14'] Exploring Operation: 71*14=994, Resulting Numbers: [994] 994,76 unequal: No Solution 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 Moving to Node #0,1,3 Current State: 76:[34, 51], Operations: ['45-25=20', '71-20=51'] Exploring Operation: 51-34=17, Resulting Numbers: [17] 17,76 unequal: No Solution Exploring Operation: 34*51=1734, Resulting Numbers: [1734] 1734,76 unequal: No Solution Exploring Operation: 34+51=85, Resulting Numbers: [85] 85,76 unequal: No Solution Moving to Node #0,1,1 Current State: 76:[34, 91], Operations: ['45-25=20', '71+20=91'] Exploring Operation: 91-34=57, Resulting Numbers: [57] 57,76 unequal: No Solution Exploring Operation: 34*91=3094, Resulting Numbers: [3094] 3094,76 unequal: No Solution Exploring Operation: 34+91=125, Resulting Numbers: [125] 125,76 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 Current State: 76:[25, 45, 37], Operations: ['71-34=37'] Exploring Operation: 25+45=70, Resulting Numbers: [37, 70] Generated Node #0,2,0: 76:[37, 70] Operation: 25+45=70 Exploring Operation: 45-37=8, Resulting Numbers: [25, 8] Generated Node #0,2,1: 76:[25, 8] Operation: 45-37=8 Exploring Operation: 45+37=82, Resulting Numbers: [25, 82] Generated Node #0,2,2: 76:[25, 82] Operation: 45+37=82 Exploring Operation: 45-25=20, Resulting Numbers: [37, 20] Generated Node #0,2,3: 76:[37, 20] Operation: 45-25=20 Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 76:[37, 20], Operations: ['71-34=37', '45-25=20'] Exploring Operation: 37*20=740, Resulting Numbers: [740] 740,76 unequal: No Solution Exploring Operation: 37-20=17, Resulting Numbers: [17] 17,76 unequal: No Solution Exploring Operation: 37+20=57, Resulting Numbers: [57] 57,76 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 #0,2,0 Current State: 76:[37, 70], Operations: ['71-34=37', '25+45=70'] Exploring Operation: 70-37=33, Resulting Numbers: [33] 33,76 unequal: No Solution Exploring Operation: 37*70=2590, Resulting Numbers: [2590] 2590,76 unequal: No Solution Exploring Operation: 37+70=107, Resulting Numbers: [107] 107,76 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 #0,2,1 Current State: 76:[25, 8], Operations: ['71-34=37', '45-37=8'] Exploring Operation: 25*8=200, Resulting Numbers: [200] 200,76 unequal: No Solution Exploring Operation: 25+8=33, Resulting Numbers: [33] 33,76 unequal: No Solution Exploring Operation: 25-8=17, Resulting Numbers: [17] 17,76 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 #0,2,2 Current State: 76:[25, 82], Operations: ['71-34=37', '45+37=82'] Exploring Operation: 82-25=57, Resulting Numbers: [57] 57,76 unequal: No Solution Exploring Operation: 25*82=2050, Resulting Numbers: [2050] 2050,76 unequal: No Solution Exploring Operation: 25+82=107, Resulting Numbers: [107] 107,76 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 #0,3 Current State: 76:[25, 71, 79], Operations: ['45+34=79'] Exploring Operation: 79-71=8, Resulting Numbers: [25, 8] Generated Node #0,3,0: 76:[25, 8] Operation: 79-71=8 Exploring Operation: 25+71=96, Resulting Numbers: [79, 96] Generated Node #0,3,1: 76:[79, 96] Operation: 25+71=96 Exploring Operation: 79-25=54, Resulting Numbers: [71, 54] Generated Node #0,3,2: 76:[71, 54] Operation: 79-25=54 Exploring Operation: 71-25=46, Resulting Numbers: [79, 46] Generated Node #0,3,3: 76:[79, 46] Operation: 71-25=46 Moving to Node #0,3,0 Current State: 76:[25, 8], Operations: ['45+34=79', '79-71=8'] Exploring Operation: 25+8=33, Resulting Numbers: [33] 33,76 unequal: No Solution Exploring Operation: 25-8=17, Resulting Numbers: [17] 17,76 unequal: No Solution Exploring Operation: 25*8=200, Resulting Numbers: [200] 200,76 unequal: No Solution Moving to Node #0,3,3 Current State: 76:[79, 46], Operations: ['45+34=79', '71-25=46'] Exploring Operation: 79-46=33, Resulting Numbers: [33] 33,76 unequal: No Solution Exploring Operation: 79*46=3634, Resulting Numbers: [3634] 3634,76 unequal: No Solution Exploring Operation: 79+46=125, Resulting Numbers: [125] 125,76 unequal: No Solution Moving to Node #0,3,2 Current State: 76:[71, 54], Operations: ['45+34=79', '79-25=54'] Exploring Operation: 71-54=17, Resulting Numbers: [17] 17,76 unequal: No Solution Exploring Operation: 71*54=3834, Resulting Numbers: [3834] 3834,76 unequal: No Solution Exploring Operation: 71+54=125, Resulting Numbers: [125] 125,76 unequal: No Solution Moving to Node #0,3,1 Current State: 76:[79, 96], Operations: ['45+34=79', '25+71=96'] Exploring Operation: 79*96=7584, Resulting Numbers: [7584] 7584,76 unequal: No Solution Exploring Operation: 96-79=17, Resulting Numbers: [17] 17,76 unequal: No Solution Exploring Operation: 79+96=175, Resulting Numbers: [175] 175,76 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 #0,0 Current State: 76:[71, 34, 70], Operations: ['25+45=70'] Exploring Operation: 70-34=36, Resulting Numbers: [71, 36] Generated Node #0,0,0: 76:[71, 36] Operation: 70-34=36 Exploring Operation: 71-34=37, Resulting Numbers: [70, 37] Generated Node #0,0,1: 76:[70, 37] Operation: 71-34=37 Exploring Operation: 71-70=1, Resulting Numbers: [34, 1] Generated Node #0,0,2: 76:[34, 1] Operation: 71-70=1 Exploring Operation: 34+70=104, Resulting Numbers: [71, 104] Generated Node #0,0,3: 76:[71, 104] Operation: 34+70=104 Moving to Node #0,0,2 Current State: 76:[34, 1], Operations: ['25+45=70', '71-70=1'] Exploring Operation: 34/1=34, Resulting Numbers: [34] 34,76 unequal: No Solution Exploring Operation: 34-1=33, Resulting Numbers: [33] 33,76 unequal: No Solution Exploring Operation: 34*1=34, Resulting Numbers: [34] 34,76 unequal: No Solution Exploring Operation: 34+1=35, Resulting Numbers: [35] 35,76 unequal: No Solution Moving to Node #0,0,1 Current State: 76:[70, 37], Operations: ['25+45=70', '71-34=37'] Exploring Operation: 70*37=2590, Resulting Numbers: [2590] 2590,76 unequal: No Solution Exploring Operation: 70+37=107, Resulting Numbers: [107] 107,76 unequal: No Solution Exploring Operation: 70-37=33, Resulting Numbers: [33] 33,76 unequal: No Solution Moving to Node #0,0,0 Current State: 76:[71, 36], Operations: ['25+45=70', '70-34=36'] Exploring Operation: 71-36=35, Resulting Numbers: [35] 35,76 unequal: No Solution Exploring Operation: 71+36=107, Resulting Numbers: [107] 107,76 unequal: No Solution Exploring Operation: 71*36=2556, Resulting Numbers: [2556] 2556,76 unequal: No Solution Moving to Node #0,0,3 Current State: 76:[71, 104], Operations: ['25+45=70', '34+70=104'] Exploring Operation: 71+104=175, Resulting Numbers: [175] 175,76 unequal: No Solution Exploring Operation: 71*104=7384, Resulting Numbers: [7384] 7384,76 unequal: No Solution Exploring Operation: 104-71=33, Resulting Numbers: [33] 33,76 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
[ 80, 98, 70, 50 ]
94
[ "70-50=20", "80/20=4", "98-4=94" ]
Current State: 94:[80, 98, 70, 50], Operations: [] Exploring Operation: 70-50=20, Resulting Numbers: [80, 98, 20] Generated Node #2: [80, 98, 20] from Operation: 70-50=20 Current State: 94:[80, 98, 20], Operations: ['70-50=20'] Exploring Operation: 80/20=4, Resulting Numbers: [98, 4] Generated Node #3: [98, 4] from Operation: 80/20=4 Current State: 94:[98, 4], Operations: ['70-50=20', '80/20=4'] Exploring Operation: 98-4=94, Resulting Numbers: [94] 94,94 equal: Goal Reached
4
Current State: 94:[80, 98, 70, 50], Operations: [] Exploring Operation: 98-80=18, Resulting Numbers: [70, 50, 18] Generated Node #0,0: 94:[70, 50, 18] Operation: 98-80=18 Exploring Operation: 98-50=48, Resulting Numbers: [80, 70, 48] Generated Node #0,1: 94:[80, 70, 48] Operation: 98-50=48 Exploring Operation: 98-70=28, Resulting Numbers: [80, 50, 28] Generated Node #0,2: 94:[80, 50, 28] Operation: 98-70=28 Exploring Operation: 70-50=20, Resulting Numbers: [80, 98, 20] Generated Node #0,3: 94:[80, 98, 20] Operation: 70-50=20 Exploring Operation: 80-70=10, Resulting Numbers: [98, 50, 10] Generated Node #0,4: 94:[98, 50, 10] Operation: 80-70=10 Moving to Node #0,4 Current State: 94:[98, 50, 10], Operations: ['80-70=10'] Exploring Operation: 98-10=88, Resulting Numbers: [50, 88] Generated Node #0,4,0: 94:[50, 88] Operation: 98-10=88 Exploring Operation: 98+10=108, Resulting Numbers: [50, 108] Generated Node #0,4,1: 94:[50, 108] Operation: 98+10=108 Exploring Operation: 98-50=48, Resulting Numbers: [10, 48] Generated Node #0,4,2: 94:[10, 48] Operation: 98-50=48 Exploring Operation: 50/10=5, Resulting Numbers: [98, 5] Generated Node #0,4,3: 94:[98, 5] Operation: 50/10=5 Exploring Operation: 50-10=40, Resulting Numbers: [98, 40] Generated Node #0,4,4: 94:[98, 40] Operation: 50-10=40 Moving to Node #0,3 Current State: 94:[80, 98, 20], Operations: ['70-50=20'] Exploring Operation: 98-20=78, Resulting Numbers: [80, 78] Generated Node #0,3,0: 94:[80, 78] Operation: 98-20=78 Exploring Operation: 80-20=60, Resulting Numbers: [98, 60] Generated Node #0,3,1: 94:[98, 60] Operation: 80-20=60 Exploring Operation: 80+20=100, Resulting Numbers: [98, 100] Generated Node #0,3,2: 94:[98, 100] Operation: 80+20=100 Exploring Operation: 80/20=4, Resulting Numbers: [98, 4] Generated Node #0,3,3: 94:[98, 4] Operation: 80/20=4 Exploring Operation: 98-80=18, Resulting Numbers: [20, 18] Generated Node #0,3,4: 94:[20, 18] Operation: 98-80=18 Moving to Node #0,2 Current State: 94:[80, 50, 28], Operations: ['98-70=28'] Exploring Operation: 80+28=108, Resulting Numbers: [50, 108] Generated Node #0,2,0: 94:[50, 108] Operation: 80+28=108 Exploring Operation: 80-50=30, Resulting Numbers: [28, 30] Generated Node #0,2,1: 94:[28, 30] Operation: 80-50=30 Exploring Operation: 80-28=52, Resulting Numbers: [50, 52] Generated Node #0,2,2: 94:[50, 52] Operation: 80-28=52 Exploring Operation: 50-28=22, Resulting Numbers: [80, 22] Generated Node #0,2,3: 94:[80, 22] Operation: 50-28=22 Exploring Operation: 50+28=78, Resulting Numbers: [80, 78] Generated Node #0,2,4: 94:[80, 78] Operation: 50+28=78 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 94:[50, 52], Operations: ['98-70=28', '80-28=52'] Exploring Operation: 50*52=2600, Resulting Numbers: [2600] 2600,94 unequal: No Solution Exploring Operation: 52-50=2, Resulting Numbers: [2] 2,94 unequal: No Solution Exploring Operation: 50+52=102, Resulting Numbers: [102] 102,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 94:[50, 108], Operations: ['98-70=28', '80+28=108'] Exploring Operation: 108-50=58, Resulting Numbers: [58] 58,94 unequal: No Solution Exploring Operation: 50+108=158, Resulting Numbers: [158] 158,94 unequal: No Solution Exploring Operation: 50*108=5400, Resulting Numbers: [5400] 5400,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 94:[80, 78], Operations: ['98-70=28', '50+28=78'] Exploring Operation: 80*78=6240, Resulting Numbers: [6240] 6240,94 unequal: No Solution Exploring Operation: 80-78=2, Resulting Numbers: [2] 2,94 unequal: No Solution Exploring Operation: 80+78=158, Resulting Numbers: [158] 158,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 94:[80, 22], Operations: ['98-70=28', '50-28=22'] Exploring Operation: 80*22=1760, Resulting Numbers: [1760] 1760,94 unequal: No Solution Exploring Operation: 80+22=102, Resulting Numbers: [102] 102,94 unequal: No Solution Exploring Operation: 80-22=58, Resulting Numbers: [58] 58,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 94:[28, 30], Operations: ['98-70=28', '80-50=30'] Exploring Operation: 30-28=2, Resulting Numbers: [2] 2,94 unequal: No Solution Exploring Operation: 28+30=58, Resulting Numbers: [58] 58,94 unequal: No Solution Exploring Operation: 28*30=840, Resulting Numbers: [840] 840,94 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: 94:[80, 70, 48], Operations: ['98-50=48'] Exploring Operation: 80-70=10, Resulting Numbers: [48, 10] Generated Node #0,1,0: 94:[48, 10] Operation: 80-70=10 Exploring Operation: 70+48=118, Resulting Numbers: [80, 118] Generated Node #0,1,1: 94:[80, 118] Operation: 70+48=118 Exploring Operation: 80-48=32, Resulting Numbers: [70, 32] Generated Node #0,1,2: 94:[70, 32] Operation: 80-48=32 Exploring Operation: 70-48=22, Resulting Numbers: [80, 22] Generated Node #0,1,3: 94:[80, 22] Operation: 70-48=22 Exploring Operation: 80+70=150, Resulting Numbers: [48, 150] Generated Node #0,1,4: 94:[48, 150] Operation: 80+70=150 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 94:[48, 10], Operations: ['98-50=48', '80-70=10'] Exploring Operation: 48-10=38, Resulting Numbers: [38] 38,94 unequal: No Solution Exploring Operation: 48*10=480, Resulting Numbers: [480] 480,94 unequal: No Solution Exploring Operation: 48+10=58, Resulting Numbers: [58] 58,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 94:[80, 22], Operations: ['98-50=48', '70-48=22'] Exploring Operation: 80-22=58, Resulting Numbers: [58] 58,94 unequal: No Solution Exploring Operation: 80*22=1760, Resulting Numbers: [1760] 1760,94 unequal: No Solution Exploring Operation: 80+22=102, Resulting Numbers: [102] 102,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 94:[80, 118], Operations: ['98-50=48', '70+48=118'] Exploring Operation: 80*118=9440, Resulting Numbers: [9440] 9440,94 unequal: No Solution Exploring Operation: 118-80=38, Resulting Numbers: [38] 38,94 unequal: No Solution Exploring Operation: 80+118=198, Resulting Numbers: [198] 198,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 94:[70, 32], Operations: ['98-50=48', '80-48=32'] Exploring Operation: 70+32=102, Resulting Numbers: [102] 102,94 unequal: No Solution Exploring Operation: 70*32=2240, Resulting Numbers: [2240] 2240,94 unequal: No Solution Exploring Operation: 70-32=38, Resulting Numbers: [38] 38,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 94:[48, 150], Operations: ['98-50=48', '80+70=150'] Exploring Operation: 150-48=102, Resulting Numbers: [102] 102,94 unequal: No Solution Exploring Operation: 48+150=198, Resulting Numbers: [198] 198,94 unequal: No Solution Exploring Operation: 48*150=7200, Resulting Numbers: [7200] 7200,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 94:[70, 50, 18], Operations: ['98-80=18'] Exploring Operation: 70+50=120, Resulting Numbers: [18, 120] Generated Node #0,0,0: 94:[18, 120] Operation: 70+50=120 Exploring Operation: 50-18=32, Resulting Numbers: [70, 32] Generated Node #0,0,1: 94:[70, 32] Operation: 50-18=32 Exploring Operation: 70-50=20, Resulting Numbers: [18, 20] Generated Node #0,0,2: 94:[18, 20] Operation: 70-50=20 Exploring Operation: 70-18=52, Resulting Numbers: [50, 52] Generated Node #0,0,3: 94:[50, 52] Operation: 70-18=52 Exploring Operation: 70+18=88, Resulting Numbers: [50, 88] Generated Node #0,0,4: 94:[50, 88] Operation: 70+18=88 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 94:[50, 52], Operations: ['98-80=18', '70-18=52'] Exploring Operation: 50*52=2600, Resulting Numbers: [2600] 2600,94 unequal: No Solution Exploring Operation: 52-50=2, Resulting Numbers: [2] 2,94 unequal: No Solution Exploring Operation: 50+52=102, Resulting Numbers: [102] 102,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 94:[50, 88], Operations: ['98-80=18', '70+18=88'] Exploring Operation: 50*88=4400, Resulting Numbers: [4400] 4400,94 unequal: No Solution Exploring Operation: 50+88=138, Resulting Numbers: [138] 138,94 unequal: No Solution Exploring Operation: 88-50=38, Resulting Numbers: [38] 38,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 94:[18, 20], Operations: ['98-80=18', '70-50=20'] Exploring Operation: 20-18=2, Resulting Numbers: [2] 2,94 unequal: No Solution Exploring Operation: 18+20=38, Resulting Numbers: [38] 38,94 unequal: No Solution Exploring Operation: 18*20=360, Resulting Numbers: [360] 360,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 94:[70, 32], Operations: ['98-80=18', '50-18=32'] Exploring Operation: 70*32=2240, Resulting Numbers: [2240] 2240,94 unequal: No Solution Exploring Operation: 70-32=38, Resulting Numbers: [38] 38,94 unequal: No Solution Exploring Operation: 70+32=102, Resulting Numbers: [102] 102,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 94:[18, 120], Operations: ['98-80=18', '70+50=120'] Exploring Operation: 18*120=2160, Resulting Numbers: [2160] 2160,94 unequal: No Solution Exploring Operation: 120-18=102, Resulting Numbers: [102] 102,94 unequal: No Solution Exploring Operation: 18+120=138, Resulting Numbers: [138] 138,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3,3 Current State: 94:[98, 4], Operations: ['70-50=20', '80/20=4'] Exploring Operation: 98-4=94, Resulting Numbers: [94] 94,94 equal: Goal Reached Moving to Node #0 Current State: 94:[80, 98, 70, 50], Operations: [] Exploring Operation: 70-50=20, Resulting Numbers: [80, 98, 20] Generated Node #0,3: 94:[80, 98, 20] Operation: 70-50=20 Moving to Node #0,3 Current State: 94:[80, 98, 20], Operations: ['70-50=20'] Exploring Operation: 80/20=4, Resulting Numbers: [98, 4] Generated Node #0,3,3: 94:[98, 4] Operation: 80/20=4 Moving to Node #0,3,3 Current State: 94:[98, 4], Operations: ['70-50=20', '80/20=4'] Exploring Operation: 98-4=94, Resulting Numbers: [94] 94,94 equal: Goal Reached
0.930556
hs_5
sum_heuristic
[ 49, 55, 95, 73 ]
80
[ "55*73=4015", "4015-95=3920", "3920/49=80" ]
Current State: 80:[49, 55, 95, 73], Operations: [] Exploring Operation: 55*73=4015, Resulting Numbers: [49, 95, 4015] Generated Node #2: [49, 95, 4015] from Operation: 55*73=4015 Current State: 80:[49, 95, 4015], Operations: ['55*73=4015'] Exploring Operation: 4015-95=3920, Resulting Numbers: [49, 3920] Generated Node #3: [49, 3920] from Operation: 4015-95=3920 Current State: 80:[49, 3920], Operations: ['55*73=4015', '4015-95=3920'] Exploring Operation: 3920/49=80, Resulting Numbers: [80] 80,80 equal: Goal Reached
4
Current State: 80:[49, 55, 95, 73], Operations: [] Exploring Operation: 95-49=46, Resulting Numbers: [55, 73, 46] Generated Node #0,0: 80:[55, 73, 46] Operation: 95-49=46 Exploring Operation: 95-55=40, Resulting Numbers: [49, 73, 40] Generated Node #0,1: 80:[49, 73, 40] Operation: 95-55=40 Exploring Operation: 73-55=18, Resulting Numbers: [49, 95, 18] Generated Node #0,2: 80:[49, 95, 18] Operation: 73-55=18 Exploring Operation: 95-73=22, Resulting Numbers: [49, 55, 22] Generated Node #0,3: 80:[49, 55, 22] Operation: 95-73=22 Exploring Operation: 55-49=6, Resulting Numbers: [95, 73, 6] Generated Node #0,4: 80:[95, 73, 6] Operation: 55-49=6 Start Sub Search at level 1: Moving to Node #0,1 Current State: 80:[49, 73, 40], Operations: ['95-55=40'] Exploring Operation: 73-40=33, Resulting Numbers: [49, 33] Generated Node #0,1,0: 80:[49, 33] Operation: 73-40=33 Exploring Operation: 49+73=122, Resulting Numbers: [40, 122] Generated Node #0,1,1: 80:[40, 122] Operation: 49+73=122 Exploring Operation: 73-49=24, Resulting Numbers: [40, 24] Generated Node #0,1,2: 80:[40, 24] Operation: 73-49=24 Exploring Operation: 49-40=9, Resulting Numbers: [73, 9] Generated Node #0,1,3: 80:[73, 9] Operation: 49-40=9 Exploring Operation: 49+40=89, Resulting Numbers: [73, 89] Generated Node #0,1,4: 80:[73, 89] Operation: 49+40=89 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 80:[40, 24], Operations: ['95-55=40', '73-49=24'] Exploring Operation: 40*24=960, Resulting Numbers: [960] 960,80 unequal: No Solution Exploring Operation: 40+24=64, Resulting Numbers: [64] 64,80 unequal: No Solution Exploring Operation: 40-24=16, Resulting Numbers: [16] 16,80 unequal: No Solution No 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: 80:[73, 9], Operations: ['95-55=40', '49-40=9'] Exploring Operation: 73-9=64, Resulting Numbers: [64] 64,80 unequal: No Solution Exploring Operation: 73+9=82, Resulting Numbers: [82] 82,80 unequal: No Solution Exploring Operation: 73*9=657, Resulting Numbers: [657] 657,80 unequal: No Solution No 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: 80:[49, 33], Operations: ['95-55=40', '73-40=33'] Exploring Operation: 49*33=1617, Resulting Numbers: [1617] 1617,80 unequal: No Solution Exploring Operation: 49-33=16, Resulting Numbers: [16] 16,80 unequal: No Solution Exploring Operation: 49+33=82, Resulting Numbers: [82] 82,80 unequal: No Solution No 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: 80:[73, 89], Operations: ['95-55=40', '49+40=89'] Exploring Operation: 89-73=16, Resulting Numbers: [16] 16,80 unequal: No Solution Exploring Operation: 73*89=6497, Resulting Numbers: [6497] 6497,80 unequal: No Solution Exploring Operation: 73+89=162, Resulting Numbers: [162] 162,80 unequal: No Solution No 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: 80:[40, 122], Operations: ['95-55=40', '49+73=122'] Exploring Operation: 40*122=4880, Resulting Numbers: [4880] 4880,80 unequal: No Solution Exploring Operation: 122-40=82, Resulting Numbers: [82] 82,80 unequal: No Solution Exploring Operation: 40+122=162, Resulting Numbers: [162] 162,80 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 Start Sub Search at level 1: Moving to Node #0,4 Current State: 80:[95, 73, 6], Operations: ['55-49=6'] Exploring Operation: 73-6=67, Resulting Numbers: [95, 67] Generated Node #0,4,0: 80:[95, 67] Operation: 73-6=67 Exploring Operation: 95+6=101, Resulting Numbers: [73, 101] Generated Node #0,4,1: 80:[73, 101] Operation: 95+6=101 Exploring Operation: 95-6=89, Resulting Numbers: [73, 89] Generated Node #0,4,2: 80:[73, 89] Operation: 95-6=89 Exploring Operation: 95-73=22, Resulting Numbers: [6, 22] Generated Node #0,4,3: 80:[6, 22] Operation: 95-73=22 Exploring Operation: 73+6=79, Resulting Numbers: [95, 79] Generated Node #0,4,4: 80:[95, 79] Operation: 73+6=79 Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 80:[6, 22], Operations: ['55-49=6', '95-73=22'] Exploring Operation: 22-6=16, Resulting Numbers: [16] 16,80 unequal: No Solution Exploring Operation: 6*22=132, Resulting Numbers: [132] 132,80 unequal: No Solution Exploring Operation: 6+22=28, Resulting Numbers: [28] 28,80 unequal: No Solution No 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: 80:[73, 89], Operations: ['55-49=6', '95-6=89'] Exploring Operation: 73+89=162, Resulting Numbers: [162] 162,80 unequal: No Solution Exploring Operation: 73*89=6497, Resulting Numbers: [6497] 6497,80 unequal: No Solution Exploring Operation: 89-73=16, Resulting Numbers: [16] 16,80 unequal: No Solution No 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: 80:[95, 79], Operations: ['55-49=6', '73+6=79'] Exploring Operation: 95*79=7505, Resulting Numbers: [7505] 7505,80 unequal: No Solution Exploring Operation: 95+79=174, Resulting Numbers: [174] 174,80 unequal: No Solution Exploring Operation: 95-79=16, Resulting Numbers: [16] 16,80 unequal: No Solution No 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: 80:[95, 67], Operations: ['55-49=6', '73-6=67'] Exploring Operation: 95-67=28, Resulting Numbers: [28] 28,80 unequal: No Solution Exploring Operation: 95+67=162, Resulting Numbers: [162] 162,80 unequal: No Solution Exploring Operation: 95*67=6365, Resulting Numbers: [6365] 6365,80 unequal: No Solution No 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: 80:[73, 101], Operations: ['55-49=6', '95+6=101'] Exploring Operation: 101-73=28, Resulting Numbers: [28] 28,80 unequal: No Solution Exploring Operation: 73*101=7373, Resulting Numbers: [7373] 7373,80 unequal: No Solution Exploring Operation: 73+101=174, Resulting Numbers: [174] 174,80 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 Start Sub Search at level 1: Moving to Node #0,2 Current State: 80:[49, 95, 18], Operations: ['73-55=18'] Exploring Operation: 95-18=77, Resulting Numbers: [49, 77] Generated Node #0,2,0: 80:[49, 77] Operation: 95-18=77 Exploring Operation: 95-49=46, Resulting Numbers: [18, 46] Generated Node #0,2,1: 80:[18, 46] Operation: 95-49=46 Exploring Operation: 49+18=67, Resulting Numbers: [95, 67] Generated Node #0,2,2: 80:[95, 67] Operation: 49+18=67 Exploring Operation: 95+18=113, Resulting Numbers: [49, 113] Generated Node #0,2,3: 80:[49, 113] Operation: 95+18=113 Exploring Operation: 49-18=31, Resulting Numbers: [95, 31] Generated Node #0,2,4: 80:[95, 31] Operation: 49-18=31 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 80:[18, 46], Operations: ['73-55=18', '95-49=46'] Exploring Operation: 18*46=828, Resulting Numbers: [828] 828,80 unequal: No Solution Exploring Operation: 46-18=28, Resulting Numbers: [28] 28,80 unequal: No Solution Exploring Operation: 18+46=64, Resulting Numbers: [64] 64,80 unequal: No Solution No 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: 80:[49, 77], Operations: ['73-55=18', '95-18=77'] Exploring Operation: 49+77=126, Resulting Numbers: [126] 126,80 unequal: No Solution Exploring Operation: 49*77=3773, Resulting Numbers: [3773] 3773,80 unequal: No Solution Exploring Operation: 77-49=28, Resulting Numbers: [28] 28,80 unequal: No Solution No 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: 80:[95, 31], Operations: ['73-55=18', '49-18=31'] Exploring Operation: 95-31=64, Resulting Numbers: [64] 64,80 unequal: No Solution Exploring Operation: 95*31=2945, Resulting Numbers: [2945] 2945,80 unequal: No Solution Exploring Operation: 95+31=126, Resulting Numbers: [126] 126,80 unequal: No Solution No 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: 80:[95, 67], Operations: ['73-55=18', '49+18=67'] Exploring Operation: 95-67=28, Resulting Numbers: [28] 28,80 unequal: No Solution Exploring Operation: 95*67=6365, Resulting Numbers: [6365] 6365,80 unequal: No Solution Exploring Operation: 95+67=162, Resulting Numbers: [162] 162,80 unequal: No Solution No 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: 80:[49, 113], Operations: ['73-55=18', '95+18=113'] Exploring Operation: 113-49=64, Resulting Numbers: [64] 64,80 unequal: No Solution Exploring Operation: 49+113=162, Resulting Numbers: [162] 162,80 unequal: No Solution Exploring Operation: 49*113=5537, Resulting Numbers: [5537] 5537,80 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 Start Sub Search at level 1: Moving to Node #0,3 Current State: 80:[49, 55, 22], Operations: ['95-73=22'] Exploring Operation: 55+22=77, Resulting Numbers: [49, 77] Generated Node #0,3,0: 80:[49, 77] Operation: 55+22=77 Exploring Operation: 49+22=71, Resulting Numbers: [55, 71] Generated Node #0,3,1: 80:[55, 71] Operation: 49+22=71 Exploring Operation: 49-22=27, Resulting Numbers: [55, 27] Generated Node #0,3,2: 80:[55, 27] Operation: 49-22=27 Exploring Operation: 55-22=33, Resulting Numbers: [49, 33] Generated Node #0,3,3: 80:[49, 33] Operation: 55-22=33 Exploring Operation: 55-49=6, Resulting Numbers: [22, 6] Generated Node #0,3,4: 80:[22, 6] Operation: 55-49=6 Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 80:[22, 6], Operations: ['95-73=22', '55-49=6'] Exploring Operation: 22*6=132, Resulting Numbers: [132] 132,80 unequal: No Solution Exploring Operation: 22-6=16, Resulting Numbers: [16] 16,80 unequal: No Solution Exploring Operation: 22+6=28, Resulting Numbers: [28] 28,80 unequal: No Solution No 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: 80:[49, 77], Operations: ['95-73=22', '55+22=77'] Exploring Operation: 49*77=3773, Resulting Numbers: [3773] 3773,80 unequal: No Solution Exploring Operation: 77-49=28, Resulting Numbers: [28] 28,80 unequal: No Solution Exploring Operation: 49+77=126, Resulting Numbers: [126] 126,80 unequal: No Solution No 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: 80:[49, 33], Operations: ['95-73=22', '55-22=33'] Exploring Operation: 49*33=1617, Resulting Numbers: [1617] 1617,80 unequal: No Solution Exploring Operation: 49-33=16, Resulting Numbers: [16] 16,80 unequal: No Solution Exploring Operation: 49+33=82, Resulting Numbers: [82] 82,80 unequal: No Solution No 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: 80:[55, 27], Operations: ['95-73=22', '49-22=27'] Exploring Operation: 55*27=1485, Resulting Numbers: [1485] 1485,80 unequal: No Solution Exploring Operation: 55-27=28, Resulting Numbers: [28] 28,80 unequal: No Solution Exploring Operation: 55+27=82, Resulting Numbers: [82] 82,80 unequal: No Solution No 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: 80:[55, 71], Operations: ['95-73=22', '49+22=71'] Exploring Operation: 55*71=3905, Resulting Numbers: [3905] 3905,80 unequal: No Solution Exploring Operation: 71-55=16, Resulting Numbers: [16] 16,80 unequal: No Solution Exploring Operation: 55+71=126, Resulting Numbers: [126] 126,80 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 Start Sub Search at level 1: Moving to Node #0,0 Current State: 80:[55, 73, 46], Operations: ['95-49=46'] Exploring Operation: 73-46=27, Resulting Numbers: [55, 27] Generated Node #0,0,0: 80:[55, 27] Operation: 73-46=27 Exploring Operation: 55-46=9, Resulting Numbers: [73, 9] Generated Node #0,0,1: 80:[73, 9] Operation: 55-46=9 Exploring Operation: 55+46=101, Resulting Numbers: [73, 101] Generated Node #0,0,2: 80:[73, 101] Operation: 55+46=101 Exploring Operation: 73-55=18, Resulting Numbers: [46, 18] Generated Node #0,0,3: 80:[46, 18] Operation: 73-55=18 Exploring Operation: 55+73=128, Resulting Numbers: [46, 128] Generated Node #0,0,4: 80:[46, 128] Operation: 55+73=128 Moving to Node #0,0,1 Current State: 80:[73, 9], Operations: ['95-49=46', '55-46=9'] Exploring Operation: 73+9=82, Resulting Numbers: [82] 82,80 unequal: No Solution Exploring Operation: 73*9=657, Resulting Numbers: [657] 657,80 unequal: No Solution Exploring Operation: 73-9=64, Resulting Numbers: [64] 64,80 unequal: No Solution Moving to Node #0,0,3 Current State: 80:[46, 18], Operations: ['95-49=46', '73-55=18'] Exploring Operation: 46+18=64, Resulting Numbers: [64] 64,80 unequal: No Solution Exploring Operation: 46-18=28, Resulting Numbers: [28] 28,80 unequal: No Solution Exploring Operation: 46*18=828, Resulting Numbers: [828] 828,80 unequal: No Solution Moving to Node #0,0,0 Current State: 80:[55, 27], Operations: ['95-49=46', '73-46=27'] Exploring Operation: 55+27=82, Resulting Numbers: [82] 82,80 unequal: No Solution Exploring Operation: 55-27=28, Resulting Numbers: [28] 28,80 unequal: No Solution Exploring Operation: 55*27=1485, Resulting Numbers: [1485] 1485,80 unequal: No Solution Moving to Node #0,0,2 Current State: 80:[73, 101], Operations: ['95-49=46', '55+46=101'] Exploring Operation: 73+101=174, Resulting Numbers: [174] 174,80 unequal: No Solution Exploring Operation: 73*101=7373, Resulting Numbers: [7373] 7373,80 unequal: No Solution Exploring Operation: 101-73=28, Resulting Numbers: [28] 28,80 unequal: No Solution Moving to Node #0,0,4 Current State: 80:[46, 128], Operations: ['95-49=46', '55+73=128'] Exploring Operation: 46+128=174, Resulting Numbers: [174] 174,80 unequal: No Solution Exploring Operation: 46*128=5888, Resulting Numbers: [5888] 5888,80 unequal: No Solution Exploring Operation: 128-46=82, Resulting Numbers: [82] 82,80 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
[ 9, 8, 33, 48 ]
39
[ "8*48=384", "384-33=351", "351/9=39" ]
Current State: 39:[9, 8, 33, 48], Operations: [] Exploring Operation: 8*48=384, Resulting Numbers: [9, 33, 384] Generated Node #2: [9, 33, 384] from Operation: 8*48=384 Current State: 39:[9, 33, 384], Operations: ['8*48=384'] Exploring Operation: 384-33=351, Resulting Numbers: [9, 351] Generated Node #3: [9, 351] from Operation: 384-33=351 Current State: 39:[9, 351], Operations: ['8*48=384', '384-33=351'] Exploring Operation: 351/9=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
4
Current State: 39:[9, 8, 33, 48], Operations: [] Exploring Operation: 48-8=40, Resulting Numbers: [9, 33, 40] Generated Node #0,0: 39:[9, 33, 40] Operation: 48-8=40 Exploring Operation: 48-33=15, Resulting Numbers: [9, 8, 15] Generated Node #0,1: 39:[9, 8, 15] Operation: 48-33=15 Exploring Operation: 48-9=39, Resulting Numbers: [8, 33, 39] Generated Node #0,2: 39:[8, 33, 39] Operation: 48-9=39 Exploring Operation: 48/8=6, Resulting Numbers: [9, 33, 6] Generated Node #0,3: 39:[9, 33, 6] Operation: 48/8=6 Start Sub Search at level 1: Moving to Node #0,0 Current State: 39:[9, 33, 40], Operations: ['48-8=40'] Exploring Operation: 40-9=31, Resulting Numbers: [33, 31] Generated Node #0,0,0: 39:[33, 31] Operation: 40-9=31 Exploring Operation: 9+33=42, Resulting Numbers: [40, 42] Generated Node #0,0,1: 39:[40, 42] Operation: 9+33=42 Exploring Operation: 40-33=7, Resulting Numbers: [9, 7] Generated Node #0,0,2: 39:[9, 7] Operation: 40-33=7 Exploring Operation: 33-9=24, Resulting Numbers: [40, 24] Generated Node #0,0,3: 39:[40, 24] Operation: 33-9=24 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 39:[40, 42], Operations: ['48-8=40', '9+33=42'] Exploring Operation: 42-40=2, Resulting Numbers: [2] 2,39 unequal: No Solution Exploring Operation: 40+42=82, Resulting Numbers: [82] 82,39 unequal: No Solution Exploring Operation: 40*42=1680, Resulting Numbers: [1680] 1680,39 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 39:[9, 7], Operations: ['48-8=40', '40-33=7'] Exploring Operation: 9+7=16, Resulting Numbers: [16] 16,39 unequal: No Solution Exploring Operation: 9*7=63, Resulting Numbers: [63] 63,39 unequal: No Solution Exploring Operation: 9-7=2, Resulting Numbers: [2] 2,39 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 39:[40, 24], Operations: ['48-8=40', '33-9=24'] Exploring Operation: 40+24=64, Resulting Numbers: [64] 64,39 unequal: No Solution Exploring Operation: 40-24=16, Resulting Numbers: [16] 16,39 unequal: No Solution Exploring Operation: 40*24=960, Resulting Numbers: [960] 960,39 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 39:[33, 31], Operations: ['48-8=40', '40-9=31'] Exploring Operation: 33-31=2, Resulting Numbers: [2] 2,39 unequal: No Solution Exploring Operation: 33+31=64, Resulting Numbers: [64] 64,39 unequal: No Solution Exploring Operation: 33*31=1023, Resulting Numbers: [1023] 1023,39 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: 39:[9, 8, 15], Operations: ['48-33=15'] Exploring Operation: 9-8=1, Resulting Numbers: [15, 1] Generated Node #0,1,0: 39:[15, 1] Operation: 9-8=1 Exploring Operation: 15-9=6, Resulting Numbers: [8, 6] Generated Node #0,1,1: 39:[8, 6] Operation: 15-9=6 Exploring Operation: 9+8=17, Resulting Numbers: [15, 17] Generated Node #0,1,2: 39:[15, 17] Operation: 9+8=17 Exploring Operation: 15-8=7, Resulting Numbers: [9, 7] Generated Node #0,1,3: 39:[9, 7] Operation: 15-8=7 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 39:[15, 1], Operations: ['48-33=15', '9-8=1'] Exploring Operation: 15*1=15, Resulting Numbers: [15] 15,39 unequal: No Solution Exploring Operation: 15/1=15, Resulting Numbers: [15] 15,39 unequal: No Solution Exploring Operation: 15-1=14, Resulting Numbers: [14] 14,39 unequal: No Solution Exploring Operation: 15+1=16, Resulting Numbers: [16] 16,39 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 #0,1,2 Current State: 39:[15, 17], Operations: ['48-33=15', '9+8=17'] Exploring Operation: 15*17=255, Resulting Numbers: [255] 255,39 unequal: No Solution Exploring Operation: 17-15=2, Resulting Numbers: [2] 2,39 unequal: No Solution Exploring Operation: 15+17=32, Resulting Numbers: [32] 32,39 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 #0,1,1 Current State: 39:[8, 6], Operations: ['48-33=15', '15-9=6'] Exploring Operation: 8+6=14, Resulting Numbers: [14] 14,39 unequal: No Solution Exploring Operation: 8*6=48, Resulting Numbers: [48] 48,39 unequal: No Solution Exploring Operation: 8-6=2, Resulting Numbers: [2] 2,39 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 #0,1,3 Current State: 39:[9, 7], Operations: ['48-33=15', '15-8=7'] Exploring Operation: 9*7=63, Resulting Numbers: [63] 63,39 unequal: No Solution Exploring Operation: 9-7=2, Resulting Numbers: [2] 2,39 unequal: No Solution Exploring Operation: 9+7=16, Resulting Numbers: [16] 16,39 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: 39:[8, 33, 39], Operations: ['48-9=39'] Exploring Operation: 33-8=25, Resulting Numbers: [39, 25] Generated Node #0,2,0: 39:[39, 25] Operation: 33-8=25 Exploring Operation: 39-33=6, Resulting Numbers: [8, 6] Generated Node #0,2,1: 39:[8, 6] Operation: 39-33=6 Exploring Operation: 8+33=41, Resulting Numbers: [39, 41] Generated Node #0,2,2: 39:[39, 41] Operation: 8+33=41 Exploring Operation: 8+39=47, Resulting Numbers: [33, 47] Generated Node #0,2,3: 39:[33, 47] Operation: 8+39=47 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 39:[39, 41], Operations: ['48-9=39', '8+33=41'] Exploring Operation: 41-39=2, Resulting Numbers: [2] 2,39 unequal: No Solution Exploring Operation: 39*41=1599, Resulting Numbers: [1599] 1599,39 unequal: No Solution Exploring Operation: 39+41=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 #0,2,1 Current State: 39:[8, 6], Operations: ['48-9=39', '39-33=6'] Exploring Operation: 8+6=14, Resulting Numbers: [14] 14,39 unequal: No Solution Exploring Operation: 8*6=48, Resulting Numbers: [48] 48,39 unequal: No Solution Exploring Operation: 8-6=2, Resulting Numbers: [2] 2,39 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 #0,2,0 Current State: 39:[39, 25], Operations: ['48-9=39', '33-8=25'] Exploring Operation: 39-25=14, Resulting Numbers: [14] 14,39 unequal: No Solution Exploring Operation: 39+25=64, Resulting Numbers: [64] 64,39 unequal: No Solution Exploring Operation: 39*25=975, Resulting Numbers: [975] 975,39 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 #0,2,3 Current State: 39:[33, 47], Operations: ['48-9=39', '8+39=47'] Exploring Operation: 33+47=80, Resulting Numbers: [80] 80,39 unequal: No Solution Exploring Operation: 33*47=1551, Resulting Numbers: [1551] 1551,39 unequal: No Solution Exploring Operation: 47-33=14, Resulting Numbers: [14] 14,39 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: 39:[9, 33, 6], Operations: ['48/8=6'] Exploring Operation: 9-6=3, Resulting Numbers: [33, 3] Generated Node #0,3,0: 39:[33, 3] Operation: 9-6=3 Exploring Operation: 33+6=39, Resulting Numbers: [9, 39] Generated Node #0,3,1: 39:[9, 39] Operation: 33+6=39 Exploring Operation: 9+33=42, Resulting Numbers: [6, 42] Generated Node #0,3,2: 39:[6, 42] Operation: 9+33=42 Exploring Operation: 9+6=15, Resulting Numbers: [33, 15] Generated Node #0,3,3: 39:[33, 15] Operation: 9+6=15 Moving to Node #0,3,1 Current State: 39:[9, 39], Operations: ['48/8=6', '33+6=39'] Exploring Operation: 9*39=351, Resulting Numbers: [351] 351,39 unequal: No Solution Exploring Operation: 39-9=30, Resulting Numbers: [30] 30,39 unequal: No Solution Exploring Operation: 9+39=48, Resulting Numbers: [48] 48,39 unequal: No Solution Moving to Node #0,3,2 Current State: 39:[6, 42], Operations: ['48/8=6', '9+33=42'] Exploring Operation: 42/6=7, Resulting Numbers: [7] 7,39 unequal: No Solution Exploring Operation: 6+42=48, Resulting Numbers: [48] 48,39 unequal: No Solution Exploring Operation: 6*42=252, Resulting Numbers: [252] 252,39 unequal: No Solution Exploring Operation: 42-6=36, Resulting Numbers: [36] 36,39 unequal: No Solution Moving to Node #0,3,0 Current State: 39:[33, 3], Operations: ['48/8=6', '9-6=3'] Exploring Operation: 33/3=11, Resulting Numbers: [11] 11,39 unequal: No Solution Exploring Operation: 33*3=99, Resulting Numbers: [99] 99,39 unequal: No Solution Exploring Operation: 33-3=30, Resulting Numbers: [30] 30,39 unequal: No Solution Exploring Operation: 33+3=36, Resulting Numbers: [36] 36,39 unequal: No Solution Moving to Node #0,3,3 Current State: 39:[33, 15], Operations: ['48/8=6', '9+6=15'] Exploring Operation: 33-15=18, Resulting Numbers: [18] 18,39 unequal: No Solution Exploring Operation: 33+15=48, Resulting Numbers: [48] 48,39 unequal: No Solution Exploring Operation: 33*15=495, Resulting Numbers: [495] 495,39 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
[ 52, 77, 3, 90 ]
91
[ "90-77=13", "3*13=39", "52+39=91" ]
Current State: 91:[52, 77, 3, 90], Operations: [] Exploring Operation: 90-77=13, Resulting Numbers: [52, 3, 13] Generated Node #2: [52, 3, 13] from Operation: 90-77=13 Current State: 91:[52, 3, 13], Operations: ['90-77=13'] Exploring Operation: 3*13=39, Resulting Numbers: [52, 39] Generated Node #3: [52, 39] from Operation: 3*13=39 Current State: 91:[52, 39], Operations: ['90-77=13', '3*13=39'] Exploring Operation: 52+39=91, Resulting Numbers: [91] 91,91 equal: Goal Reached
4
Current State: 91:[52, 77, 3, 90], Operations: [] Exploring Operation: 77-52=25, Resulting Numbers: [3, 90, 25] Generated Node #0,0: 91:[3, 90, 25] Operation: 77-52=25 Exploring Operation: 90-77=13, Resulting Numbers: [52, 3, 13] Generated Node #0,1: 91:[52, 3, 13] Operation: 90-77=13 Exploring Operation: 52+77=129, Resulting Numbers: [3, 90, 129] Generated Node #0,2: 91:[3, 90, 129] Operation: 52+77=129 Exploring Operation: 52+3=55, Resulting Numbers: [77, 90, 55] Generated Node #0,3: 91:[77, 90, 55] Operation: 52+3=55 Exploring Operation: 90-52=38, Resulting Numbers: [77, 3, 38] Generated Node #0,4: 91:[77, 3, 38] Operation: 90-52=38 Moving to Node #0,0 Current State: 91:[3, 90, 25], Operations: ['77-52=25'] Exploring Operation: 3*25=75, Resulting Numbers: [90, 75] Generated Node #0,0,0: 91:[90, 75] Operation: 3*25=75 Exploring Operation: 90-3=87, Resulting Numbers: [25, 87] Generated Node #0,0,1: 91:[25, 87] Operation: 90-3=87 Exploring Operation: 3+90=93, Resulting Numbers: [25, 93] Generated Node #0,0,2: 91:[25, 93] Operation: 3+90=93 Exploring Operation: 3+25=28, Resulting Numbers: [90, 28] Generated Node #0,0,3: 91:[90, 28] Operation: 3+25=28 Exploring Operation: 25-3=22, Resulting Numbers: [90, 22] Generated Node #0,0,4: 91:[90, 22] Operation: 25-3=22 Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 91:[90, 22], Operations: ['77-52=25', '25-3=22'] Exploring Operation: 90-22=68, Resulting Numbers: [68] 68,91 unequal: No Solution Exploring Operation: 90*22=1980, Resulting Numbers: [1980] 1980,91 unequal: No Solution Exploring Operation: 90+22=112, Resulting Numbers: [112] 112,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 91:[25, 93], Operations: ['77-52=25', '3+90=93'] Exploring Operation: 25*93=2325, Resulting Numbers: [2325] 2325,91 unequal: No Solution Exploring Operation: 93-25=68, Resulting Numbers: [68] 68,91 unequal: No Solution Exploring Operation: 25+93=118, Resulting Numbers: [118] 118,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 91:[25, 87], Operations: ['77-52=25', '90-3=87'] Exploring Operation: 87-25=62, Resulting Numbers: [62] 62,91 unequal: No Solution Exploring Operation: 25+87=112, Resulting Numbers: [112] 112,91 unequal: No Solution Exploring Operation: 25*87=2175, Resulting Numbers: [2175] 2175,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 91:[90, 28], Operations: ['77-52=25', '3+25=28'] Exploring Operation: 90+28=118, Resulting Numbers: [118] 118,91 unequal: No Solution Exploring Operation: 90-28=62, Resulting Numbers: [62] 62,91 unequal: No Solution Exploring Operation: 90*28=2520, Resulting Numbers: [2520] 2520,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 91:[90, 75], Operations: ['77-52=25', '3*25=75'] Exploring Operation: 90-75=15, Resulting Numbers: [15] 15,91 unequal: No Solution Exploring Operation: 90+75=165, Resulting Numbers: [165] 165,91 unequal: No Solution Exploring Operation: 90*75=6750, Resulting Numbers: [6750] 6750,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 91:[3, 90, 129], Operations: ['52+77=129'] Exploring Operation: 129-90=39, Resulting Numbers: [3, 39] Generated Node #0,2,0: 91:[3, 39] Operation: 129-90=39 Exploring Operation: 129/3=43, Resulting Numbers: [90, 43] Generated Node #0,2,1: 91:[90, 43] Operation: 129/3=43 Exploring Operation: 3+90=93, Resulting Numbers: [129, 93] Generated Node #0,2,2: 91:[129, 93] Operation: 3+90=93 Exploring Operation: 129-3=126, Resulting Numbers: [90, 126] Generated Node #0,2,3: 91:[90, 126] Operation: 129-3=126 Exploring Operation: 90-3=87, Resulting Numbers: [129, 87] Generated Node #0,2,4: 91:[129, 87] Operation: 90-3=87 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 91:[3, 39], Operations: ['52+77=129', '129-90=39'] Exploring Operation: 3*39=117, Resulting Numbers: [117] 117,91 unequal: No Solution Exploring Operation: 39-3=36, Resulting Numbers: [36] 36,91 unequal: No Solution Exploring Operation: 39/3=13, Resulting Numbers: [13] 13,91 unequal: No Solution Exploring Operation: 3+39=42, Resulting Numbers: [42] 42,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 91:[90, 43], Operations: ['52+77=129', '129/3=43'] Exploring Operation: 90*43=3870, Resulting Numbers: [3870] 3870,91 unequal: No Solution Exploring Operation: 90-43=47, Resulting Numbers: [47] 47,91 unequal: No Solution Exploring Operation: 90+43=133, Resulting Numbers: [133] 133,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 91:[90, 126], Operations: ['52+77=129', '129-3=126'] Exploring Operation: 126-90=36, Resulting Numbers: [36] 36,91 unequal: No Solution Exploring Operation: 90*126=11340, Resulting Numbers: [11340] 11340,91 unequal: No Solution Exploring Operation: 90+126=216, Resulting Numbers: [216] 216,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 91:[129, 93], Operations: ['52+77=129', '3+90=93'] Exploring Operation: 129-93=36, Resulting Numbers: [36] 36,91 unequal: No Solution Exploring Operation: 129+93=222, Resulting Numbers: [222] 222,91 unequal: No Solution Exploring Operation: 129*93=11997, Resulting Numbers: [11997] 11997,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 91:[129, 87], Operations: ['52+77=129', '90-3=87'] Exploring Operation: 129+87=216, Resulting Numbers: [216] 216,91 unequal: No Solution Exploring Operation: 129-87=42, Resulting Numbers: [42] 42,91 unequal: No Solution Exploring Operation: 129*87=11223, Resulting Numbers: [11223] 11223,91 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: 91:[52, 3, 13], Operations: ['90-77=13'] Exploring Operation: 52-3=49, Resulting Numbers: [13, 49] Generated Node #0,1,0: 91:[13, 49] Operation: 52-3=49 Exploring Operation: 52-13=39, Resulting Numbers: [3, 39] Generated Node #0,1,1: 91:[3, 39] Operation: 52-13=39 Exploring Operation: 52+13=65, Resulting Numbers: [3, 65] Generated Node #0,1,2: 91:[3, 65] Operation: 52+13=65 Exploring Operation: 52/13=4, Resulting Numbers: [3, 4] Generated Node #0,1,3: 91:[3, 4] Operation: 52/13=4 Exploring Operation: 52+3=55, Resulting Numbers: [13, 55] Generated Node #0,1,4: 91:[13, 55] Operation: 52+3=55 Moving to Node #0,4 Current State: 91:[77, 3, 38], Operations: ['90-52=38'] Exploring Operation: 38-3=35, Resulting Numbers: [77, 35] Generated Node #0,4,0: 91:[77, 35] Operation: 38-3=35 Exploring Operation: 77-38=39, Resulting Numbers: [3, 39] Generated Node #0,4,1: 91:[3, 39] Operation: 77-38=39 Exploring Operation: 77+3=80, Resulting Numbers: [38, 80] Generated Node #0,4,2: 91:[38, 80] Operation: 77+3=80 Exploring Operation: 77+38=115, Resulting Numbers: [3, 115] Generated Node #0,4,3: 91:[3, 115] Operation: 77+38=115 Exploring Operation: 3*38=114, Resulting Numbers: [77, 114] Generated Node #0,4,4: 91:[77, 114] Operation: 3*38=114 Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 91:[3, 115], Operations: ['90-52=38', '77+38=115'] Exploring Operation: 3*115=345, Resulting Numbers: [345] 345,91 unequal: No Solution Exploring Operation: 3+115=118, Resulting Numbers: [118] 118,91 unequal: No Solution Exploring Operation: 115-3=112, Resulting Numbers: [112] 112,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 91:[3, 39], Operations: ['90-52=38', '77-38=39'] Exploring Operation: 3*39=117, Resulting Numbers: [117] 117,91 unequal: No Solution Exploring Operation: 39-3=36, Resulting Numbers: [36] 36,91 unequal: No Solution Exploring Operation: 39/3=13, Resulting Numbers: [13] 13,91 unequal: No Solution Exploring Operation: 3+39=42, Resulting Numbers: [42] 42,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 91:[77, 35], Operations: ['90-52=38', '38-3=35'] Exploring Operation: 77*35=2695, Resulting Numbers: [2695] 2695,91 unequal: No Solution Exploring Operation: 77-35=42, Resulting Numbers: [42] 42,91 unequal: No Solution Exploring Operation: 77+35=112, Resulting Numbers: [112] 112,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 91:[38, 80], Operations: ['90-52=38', '77+3=80'] Exploring Operation: 80-38=42, Resulting Numbers: [42] 42,91 unequal: No Solution Exploring Operation: 38*80=3040, Resulting Numbers: [3040] 3040,91 unequal: No Solution Exploring Operation: 38+80=118, Resulting Numbers: [118] 118,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 91:[77, 114], Operations: ['90-52=38', '3*38=114'] Exploring Operation: 77+114=191, Resulting Numbers: [191] 191,91 unequal: No Solution Exploring Operation: 114-77=37, Resulting Numbers: [37] 37,91 unequal: No Solution Exploring Operation: 77*114=8778, Resulting Numbers: [8778] 8778,91 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: 91:[77, 90, 55], Operations: ['52+3=55'] Exploring Operation: 77-55=22, Resulting Numbers: [90, 22] Generated Node #0,3,0: 91:[90, 22] Operation: 77-55=22 Exploring Operation: 90-77=13, Resulting Numbers: [55, 13] Generated Node #0,3,1: 91:[55, 13] Operation: 90-77=13 Exploring Operation: 90-55=35, Resulting Numbers: [77, 35] Generated Node #0,3,2: 91:[77, 35] Operation: 90-55=35 Exploring Operation: 90+55=145, Resulting Numbers: [77, 145] Generated Node #0,3,3: 91:[77, 145] Operation: 90+55=145 Exploring Operation: 77+55=132, Resulting Numbers: [90, 132] Generated Node #0,3,4: 91:[90, 132] Operation: 77+55=132 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 91:[90, 22], Operations: ['52+3=55', '77-55=22'] Exploring Operation: 90*22=1980, Resulting Numbers: [1980] 1980,91 unequal: No Solution Exploring Operation: 90-22=68, Resulting Numbers: [68] 68,91 unequal: No Solution Exploring Operation: 90+22=112, Resulting Numbers: [112] 112,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 91:[55, 13], Operations: ['52+3=55', '90-77=13'] Exploring Operation: 55*13=715, Resulting Numbers: [715] 715,91 unequal: No Solution Exploring Operation: 55+13=68, Resulting Numbers: [68] 68,91 unequal: No Solution Exploring Operation: 55-13=42, Resulting Numbers: [42] 42,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 91:[77, 35], Operations: ['52+3=55', '90-55=35'] Exploring Operation: 77*35=2695, Resulting Numbers: [2695] 2695,91 unequal: No Solution Exploring Operation: 77+35=112, Resulting Numbers: [112] 112,91 unequal: No Solution Exploring Operation: 77-35=42, Resulting Numbers: [42] 42,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 91:[90, 132], Operations: ['52+3=55', '77+55=132'] Exploring Operation: 132-90=42, Resulting Numbers: [42] 42,91 unequal: No Solution Exploring Operation: 90*132=11880, Resulting Numbers: [11880] 11880,91 unequal: No Solution Exploring Operation: 90+132=222, Resulting Numbers: [222] 222,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 91:[77, 145], Operations: ['52+3=55', '90+55=145'] Exploring Operation: 77+145=222, Resulting Numbers: [222] 222,91 unequal: No Solution Exploring Operation: 145-77=68, Resulting Numbers: [68] 68,91 unequal: No Solution Exploring Operation: 77*145=11165, Resulting Numbers: [11165] 11165,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1,3 Current State: 91:[3, 4], Operations: ['90-77=13', '52/13=4'] Exploring Operation: 4-3=1, Resulting Numbers: [1] 1,91 unequal: No Solution Exploring Operation: 3+4=7, Resulting Numbers: [7] 7,91 unequal: No Solution Exploring Operation: 3*4=12, Resulting Numbers: [12] 12,91 unequal: No Solution Moving to Node #0,1,2 Current State: 91:[3, 65], Operations: ['90-77=13', '52+13=65'] Exploring Operation: 3+65=68, Resulting Numbers: [68] 68,91 unequal: No Solution Exploring Operation: 3*65=195, Resulting Numbers: [195] 195,91 unequal: No Solution Exploring Operation: 65-3=62, Resulting Numbers: [62] 62,91 unequal: No Solution Moving to Node #0,1,1 Current State: 91:[3, 39], Operations: ['90-77=13', '52-13=39'] Exploring Operation: 3+39=42, Resulting Numbers: [42] 42,91 unequal: No Solution Exploring Operation: 39-3=36, Resulting Numbers: [36] 36,91 unequal: No Solution Exploring Operation: 39/3=13, Resulting Numbers: [13] 13,91 unequal: No Solution Exploring Operation: 3*39=117, Resulting Numbers: [117] 117,91 unequal: No Solution Moving to Node #0,1,0 Current State: 91:[13, 49], Operations: ['90-77=13', '52-3=49'] Exploring Operation: 13+49=62, Resulting Numbers: [62] 62,91 unequal: No Solution Exploring Operation: 49-13=36, Resulting Numbers: [36] 36,91 unequal: No Solution Exploring Operation: 13*49=637, Resulting Numbers: [637] 637,91 unequal: No Solution Moving to Node #0,1,4 Current State: 91:[13, 55], Operations: ['90-77=13', '52+3=55'] Exploring Operation: 55-13=42, Resulting Numbers: [42] 42,91 unequal: No Solution Exploring Operation: 13*55=715, Resulting Numbers: [715] 715,91 unequal: No Solution Exploring Operation: 13+55=68, Resulting Numbers: [68] 68,91 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 77, 18, 2, 34 ]
45
[ "34-18=16", "2*16=32", "77-32=45" ]
Current State: 45:[77, 18, 2, 34], Operations: [] Exploring Operation: 34-18=16, Resulting Numbers: [77, 2, 16] Generated Node #2: [77, 2, 16] from Operation: 34-18=16 Current State: 45:[77, 2, 16], Operations: ['34-18=16'] Exploring Operation: 2*16=32, Resulting Numbers: [77, 32] Generated Node #3: [77, 32] from Operation: 2*16=32 Current State: 45:[77, 32], Operations: ['34-18=16', '2*16=32'] Exploring Operation: 77-32=45, Resulting Numbers: [45] 45,45 equal: Goal Reached
4
Current State: 45:[77, 18, 2, 34], Operations: [] Exploring Operation: 77-34=43, Resulting Numbers: [18, 2, 43] Generated Node #0,0: 45:[18, 2, 43] Operation: 77-34=43 Start Sub Search at level 1: Moving to Node #0,0 Current State: 45:[18, 2, 43], Operations: ['77-34=43'] Exploring Operation: 18/2=9, Resulting Numbers: [43, 9] Generated Node #0,0,0: 45:[43, 9] Operation: 18/2=9 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 45:[43, 9], Operations: ['77-34=43', '18/2=9'] Exploring Operation: 43+9=52, Resulting Numbers: [52] 52,45 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
[ 62, 34, 29, 73 ]
27
[ "62+73=135", "34-29=5", "135/5=27" ]
Current State: 27:[62, 34, 29, 73], Operations: [] Exploring Operation: 62+73=135, Resulting Numbers: [34, 29, 135] Generated Node #2: [34, 29, 135] from Operation: 62+73=135 Current State: 27:[34, 29, 135], Operations: ['62+73=135'] Exploring Operation: 34-29=5, Resulting Numbers: [135, 5] Generated Node #3: [135, 5] from Operation: 34-29=5 Current State: 27:[135, 5], Operations: ['62+73=135', '34-29=5'] Exploring Operation: 135/5=27, Resulting Numbers: [27] 27,27 equal: Goal Reached
4
Current State: 27:[62, 34, 29, 73], Operations: [] Exploring Operation: 62-34=28, Resulting Numbers: [29, 73, 28] Generated Node #0,0: 27:[29, 73, 28] Operation: 62-34=28 Exploring Operation: 62-29=33, Resulting Numbers: [34, 73, 33] Generated Node #0,1: 27:[34, 73, 33] Operation: 62-29=33 Exploring Operation: 73-62=11, Resulting Numbers: [34, 29, 11] Generated Node #0,2: 27:[34, 29, 11] Operation: 73-62=11 Exploring Operation: 73-34=39, Resulting Numbers: [62, 29, 39] Generated Node #0,3: 27:[62, 29, 39] Operation: 73-34=39 Moving to Node #0,2 Current State: 27:[34, 29, 11], Operations: ['73-62=11'] Exploring Operation: 29-11=18, Resulting Numbers: [34, 18] Generated Node #0,2,0: 27:[34, 18] Operation: 29-11=18 Exploring Operation: 34-11=23, Resulting Numbers: [29, 23] Generated Node #0,2,1: 27:[29, 23] Operation: 34-11=23 Exploring Operation: 34+11=45, Resulting Numbers: [29, 45] Generated Node #0,2,2: 27:[29, 45] Operation: 34+11=45 Exploring Operation: 34-29=5, Resulting Numbers: [11, 5] Generated Node #0,2,3: 27:[11, 5] Operation: 34-29=5 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 27:[11, 5], Operations: ['73-62=11', '34-29=5'] Exploring Operation: 11+5=16, Resulting Numbers: [16] 16,27 unequal: No Solution Exploring Operation: 11*5=55, Resulting Numbers: [55] 55,27 unequal: No Solution Exploring Operation: 11-5=6, Resulting Numbers: [6] 6,27 unequal: No Solution No 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: 27:[29, 23], Operations: ['73-62=11', '34-11=23'] Exploring Operation: 29+23=52, Resulting Numbers: [52] 52,27 unequal: No Solution Exploring Operation: 29*23=667, Resulting Numbers: [667] 667,27 unequal: No Solution Exploring Operation: 29-23=6, Resulting Numbers: [6] 6,27 unequal: No Solution No 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: 27:[34, 18], Operations: ['73-62=11', '29-11=18'] Exploring Operation: 34*18=612, Resulting Numbers: [612] 612,27 unequal: No Solution Exploring Operation: 34-18=16, Resulting Numbers: [16] 16,27 unequal: No Solution Exploring Operation: 34+18=52, Resulting Numbers: [52] 52,27 unequal: No Solution No 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: 27:[29, 45], Operations: ['73-62=11', '34+11=45'] Exploring Operation: 29*45=1305, Resulting Numbers: [1305] 1305,27 unequal: No Solution Exploring Operation: 45-29=16, Resulting Numbers: [16] 16,27 unequal: No Solution Exploring Operation: 29+45=74, Resulting Numbers: [74] 74,27 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: 27:[62, 29, 39], Operations: ['73-34=39'] Exploring Operation: 62+29=91, Resulting Numbers: [39, 91] Generated Node #0,3,0: 27:[39, 91] Operation: 62+29=91 Exploring Operation: 62-29=33, Resulting Numbers: [39, 33] Generated Node #0,3,1: 27:[39, 33] Operation: 62-29=33 Exploring Operation: 39-29=10, Resulting Numbers: [62, 10] Generated Node #0,3,2: 27:[62, 10] Operation: 39-29=10 Exploring Operation: 62-39=23, Resulting Numbers: [29, 23] Generated Node #0,3,3: 27:[29, 23] Operation: 62-39=23 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 27:[29, 23], Operations: ['73-34=39', '62-39=23'] Exploring Operation: 29+23=52, Resulting Numbers: [52] 52,27 unequal: No Solution Exploring Operation: 29*23=667, Resulting Numbers: [667] 667,27 unequal: No Solution Exploring Operation: 29-23=6, Resulting Numbers: [6] 6,27 unequal: No Solution No 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: 27:[39, 33], Operations: ['73-34=39', '62-29=33'] Exploring Operation: 39+33=72, Resulting Numbers: [72] 72,27 unequal: No Solution Exploring Operation: 39-33=6, Resulting Numbers: [6] 6,27 unequal: No Solution Exploring Operation: 39*33=1287, Resulting Numbers: [1287] 1287,27 unequal: No Solution No 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: 27:[62, 10], Operations: ['73-34=39', '39-29=10'] Exploring Operation: 62*10=620, Resulting Numbers: [620] 620,27 unequal: No Solution Exploring Operation: 62-10=52, Resulting Numbers: [52] 52,27 unequal: No Solution Exploring Operation: 62+10=72, Resulting Numbers: [72] 72,27 unequal: No Solution No 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: 27:[39, 91], Operations: ['73-34=39', '62+29=91'] Exploring Operation: 91-39=52, Resulting Numbers: [52] 52,27 unequal: No Solution Exploring Operation: 39+91=130, Resulting Numbers: [130] 130,27 unequal: No Solution Exploring Operation: 39*91=3549, Resulting Numbers: [3549] 3549,27 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: 27:[29, 73, 28], Operations: ['62-34=28'] Exploring Operation: 29+73=102, Resulting Numbers: [28, 102] Generated Node #0,0,0: 27:[28, 102] Operation: 29+73=102 Exploring Operation: 73-29=44, Resulting Numbers: [28, 44] Generated Node #0,0,1: 27:[28, 44] Operation: 73-29=44 Exploring Operation: 29-28=1, Resulting Numbers: [73, 1] Generated Node #0,0,2: 27:[73, 1] Operation: 29-28=1 Exploring Operation: 73-28=45, Resulting Numbers: [29, 45] Generated Node #0,0,3: 27:[29, 45] Operation: 73-28=45 Moving to Node #0,1 Current State: 27:[34, 73, 33], Operations: ['62-29=33'] Exploring Operation: 34+73=107, Resulting Numbers: [33, 107] Generated Node #0,1,0: 27:[33, 107] Operation: 34+73=107 Exploring Operation: 34-33=1, Resulting Numbers: [73, 1] Generated Node #0,1,1: 27:[73, 1] Operation: 34-33=1 Exploring Operation: 73-34=39, Resulting Numbers: [33, 39] Generated Node #0,1,2: 27:[33, 39] Operation: 73-34=39 Exploring Operation: 73-33=40, Resulting Numbers: [34, 40] Generated Node #0,1,3: 27:[34, 40] Operation: 73-33=40 Moving to Node #0,0,1 Current State: 27:[28, 44], Operations: ['62-34=28', '73-29=44'] Exploring Operation: 28+44=72, Resulting Numbers: [72] 72,27 unequal: No Solution Exploring Operation: 44-28=16, Resulting Numbers: [16] 16,27 unequal: No Solution Exploring Operation: 28*44=1232, Resulting Numbers: [1232] 1232,27 unequal: No Solution Moving to Node #0,1,2 Current State: 27:[33, 39], Operations: ['62-29=33', '73-34=39'] Exploring Operation: 33+39=72, Resulting Numbers: [72] 72,27 unequal: No Solution Exploring Operation: 33*39=1287, Resulting Numbers: [1287] 1287,27 unequal: No Solution Exploring Operation: 39-33=6, Resulting Numbers: [6] 6,27 unequal: No Solution Moving to Node #0,1,3 Current State: 27:[34, 40], Operations: ['62-29=33', '73-33=40'] Exploring Operation: 34+40=74, Resulting Numbers: [74] 74,27 unequal: No Solution Exploring Operation: 40-34=6, Resulting Numbers: [6] 6,27 unequal: No Solution Exploring Operation: 34*40=1360, Resulting Numbers: [1360] 1360,27 unequal: No Solution Moving to Node #0,0,3 Current State: 27:[29, 45], Operations: ['62-34=28', '73-28=45'] Exploring Operation: 29+45=74, Resulting Numbers: [74] 74,27 unequal: No Solution Exploring Operation: 29*45=1305, Resulting Numbers: [1305] 1305,27 unequal: No Solution Exploring Operation: 45-29=16, Resulting Numbers: [16] 16,27 unequal: No Solution Moving to Node #0,0,2 Current State: 27:[73, 1], Operations: ['62-34=28', '29-28=1'] Exploring Operation: 73/1=73, Resulting Numbers: [73] 73,27 unequal: No Solution Exploring Operation: 73-1=72, Resulting Numbers: [72] 72,27 unequal: No Solution Exploring Operation: 73+1=74, Resulting Numbers: [74] 74,27 unequal: No Solution Exploring Operation: 73*1=73, Resulting Numbers: [73] 73,27 unequal: No Solution Moving to Node #0,1,1 Current State: 27:[73, 1], Operations: ['62-29=33', '34-33=1'] Exploring Operation: 73-1=72, Resulting Numbers: [72] 72,27 unequal: No Solution Exploring Operation: 73+1=74, Resulting Numbers: [74] 74,27 unequal: No Solution Exploring Operation: 73/1=73, Resulting Numbers: [73] 73,27 unequal: No Solution Exploring Operation: 73*1=73, Resulting Numbers: [73] 73,27 unequal: No Solution Moving to Node #0,0,0 Current State: 27:[28, 102], Operations: ['62-34=28', '29+73=102'] Exploring Operation: 28*102=2856, Resulting Numbers: [2856] 2856,27 unequal: No Solution Exploring Operation: 28+102=130, Resulting Numbers: [130] 130,27 unequal: No Solution Exploring Operation: 102-28=74, Resulting Numbers: [74] 74,27 unequal: No Solution Moving to Node #0,1,0 Current State: 27:[33, 107], Operations: ['62-29=33', '34+73=107'] Exploring Operation: 33*107=3531, Resulting Numbers: [3531] 3531,27 unequal: No Solution Exploring Operation: 107-33=74, Resulting Numbers: [74] 74,27 unequal: No Solution Exploring Operation: 33+107=140, Resulting Numbers: [140] 140,27 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 81, 3, 11, 48 ]
47
[ "81+3=84", "48-11=37", "84-37=47" ]
Current State: 47:[81, 3, 11, 48], Operations: [] Exploring Operation: 81+3=84, Resulting Numbers: [11, 48, 84] Generated Node #2: [11, 48, 84] from Operation: 81+3=84 Current State: 47:[11, 48, 84], Operations: ['81+3=84'] Exploring Operation: 48-11=37, Resulting Numbers: [84, 37] Generated Node #3: [84, 37] from Operation: 48-11=37 Current State: 47:[84, 37], Operations: ['81+3=84', '48-11=37'] Exploring Operation: 84-37=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[81, 3, 11, 48], Operations: [] Exploring Operation: 3+11=14, Resulting Numbers: [81, 48, 14] Generated Node #0,0: 47:[81, 48, 14] Operation: 3+11=14 Exploring Operation: 81-11=70, Resulting Numbers: [3, 48, 70] Generated Node #0,1: 47:[3, 48, 70] Operation: 81-11=70 Exploring Operation: 81-3=78, Resulting Numbers: [11, 48, 78] Generated Node #0,2: 47:[11, 48, 78] Operation: 81-3=78 Exploring Operation: 81/3=27, Resulting Numbers: [11, 48, 27] Generated Node #0,3: 47:[11, 48, 27] Operation: 81/3=27 Exploring Operation: 3*11=33, Resulting Numbers: [81, 48, 33] Generated Node #0,4: 47:[81, 48, 33] Operation: 3*11=33 Start Sub Search at level 1: Moving to Node #0,4 Current State: 47:[81, 48, 33], Operations: ['3*11=33'] Exploring Operation: 81-48=33, Resulting Numbers: [33, 33] Generated Node #0,4,0: 47:[33, 33] Operation: 81-48=33 Exploring Operation: 48+33=81, Resulting Numbers: [81, 81] Generated Node #0,4,1: 47:[81, 81] Operation: 48+33=81 Exploring Operation: 48-33=15, Resulting Numbers: [81, 15] Generated Node #0,4,2: 47:[81, 15] Operation: 48-33=15 Exploring Operation: 81+33=114, Resulting Numbers: [48, 114] Generated Node #0,4,3: 47:[48, 114] Operation: 81+33=114 Exploring Operation: 81-33=48, Resulting Numbers: [48, 48] Generated Node #0,4,4: 47:[48, 48] Operation: 81-33=48 Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 47:[48, 48], Operations: ['3*11=33', '81-33=48'] Exploring Operation: 48*48=2304, Resulting Numbers: [2304] 2304,47 unequal: No Solution Exploring Operation: 48/48=1, Resulting Numbers: [1] 1,47 unequal: No Solution Exploring Operation: 48-48=0, Resulting Numbers: [0] 0,47 unequal: No Solution Exploring Operation: 48+48=96, Resulting Numbers: [96] 96,47 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 47:[33, 33], Operations: ['3*11=33', '81-48=33'] Exploring Operation: 33-33=0, Resulting Numbers: [0] 0,47 unequal: No Solution Exploring Operation: 33*33=1089, Resulting Numbers: [1089] 1089,47 unequal: No Solution Exploring Operation: 33/33=1, Resulting Numbers: [1] 1,47 unequal: No Solution Exploring Operation: 33+33=66, Resulting Numbers: [66] 66,47 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 47:[81, 15], Operations: ['3*11=33', '48-33=15'] Exploring Operation: 81*15=1215, Resulting Numbers: [1215] 1215,47 unequal: No Solution Exploring Operation: 81-15=66, Resulting Numbers: [66] 66,47 unequal: No Solution Exploring Operation: 81+15=96, Resulting Numbers: [96] 96,47 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 47:[81, 81], Operations: ['3*11=33', '48+33=81'] Exploring Operation: 81*81=6561, Resulting Numbers: [6561] 6561,47 unequal: No Solution Exploring Operation: 81+81=162, Resulting Numbers: [162] 162,47 unequal: No Solution Exploring Operation: 81/81=1, Resulting Numbers: [1] 1,47 unequal: No Solution Exploring Operation: 81-81=0, Resulting Numbers: [0] 0,47 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 47:[48, 114], Operations: ['3*11=33', '81+33=114'] Exploring Operation: 48+114=162, Resulting Numbers: [162] 162,47 unequal: No Solution Exploring Operation: 48*114=5472, Resulting Numbers: [5472] 5472,47 unequal: No Solution Exploring Operation: 114-48=66, Resulting Numbers: [66] 66,47 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 47:[11, 48, 27], Operations: ['81/3=27'] Exploring Operation: 11+27=38, Resulting Numbers: [48, 38] Generated Node #0,3,0: 47:[48, 38] Operation: 11+27=38 Exploring Operation: 11+48=59, Resulting Numbers: [27, 59] Generated Node #0,3,1: 47:[27, 59] Operation: 11+48=59 Exploring Operation: 48-11=37, Resulting Numbers: [27, 37] Generated Node #0,3,2: 47:[27, 37] Operation: 48-11=37 Exploring Operation: 48-27=21, Resulting Numbers: [11, 21] Generated Node #0,3,3: 47:[11, 21] Operation: 48-27=21 Exploring Operation: 27-11=16, Resulting Numbers: [48, 16] Generated Node #0,3,4: 47:[48, 16] Operation: 27-11=16 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 47:[48, 38], Operations: ['81/3=27', '11+27=38'] Exploring Operation: 48+38=86, Resulting Numbers: [86] 86,47 unequal: No Solution Exploring Operation: 48*38=1824, Resulting Numbers: [1824] 1824,47 unequal: No Solution Exploring Operation: 48-38=10, Resulting Numbers: [10] 10,47 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 47:[27, 37], Operations: ['81/3=27', '48-11=37'] Exploring Operation: 37-27=10, Resulting Numbers: [10] 10,47 unequal: No Solution Exploring Operation: 27+37=64, Resulting Numbers: [64] 64,47 unequal: No Solution Exploring Operation: 27*37=999, Resulting Numbers: [999] 999,47 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 47:[27, 59], Operations: ['81/3=27', '11+48=59'] Exploring Operation: 27+59=86, Resulting Numbers: [86] 86,47 unequal: No Solution Exploring Operation: 27*59=1593, Resulting Numbers: [1593] 1593,47 unequal: No Solution Exploring Operation: 59-27=32, Resulting Numbers: [32] 32,47 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 47:[48, 16], Operations: ['81/3=27', '27-11=16'] Exploring Operation: 48*16=768, Resulting Numbers: [768] 768,47 unequal: No Solution Exploring Operation: 48+16=64, Resulting Numbers: [64] 64,47 unequal: No Solution Exploring Operation: 48/16=3, Resulting Numbers: [3] 3,47 unequal: No Solution Exploring Operation: 48-16=32, Resulting Numbers: [32] 32,47 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 47:[11, 21], Operations: ['81/3=27', '48-27=21'] Exploring Operation: 11*21=231, Resulting Numbers: [231] 231,47 unequal: No Solution Exploring Operation: 21-11=10, Resulting Numbers: [10] 10,47 unequal: No Solution Exploring Operation: 11+21=32, Resulting Numbers: [32] 32,47 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 47:[81, 48, 14], Operations: ['3+11=14'] Exploring Operation: 81-48=33, Resulting Numbers: [14, 33] Generated Node #0,0,0: 47:[14, 33] Operation: 81-48=33 Exploring Operation: 48-14=34, Resulting Numbers: [81, 34] Generated Node #0,0,1: 47:[81, 34] Operation: 48-14=34 Exploring Operation: 48+14=62, Resulting Numbers: [81, 62] Generated Node #0,0,2: 47:[81, 62] Operation: 48+14=62 Exploring Operation: 81+14=95, Resulting Numbers: [48, 95] Generated Node #0,0,3: 47:[48, 95] Operation: 81+14=95 Exploring Operation: 81-14=67, Resulting Numbers: [48, 67] Generated Node #0,0,4: 47:[48, 67] Operation: 81-14=67 Moving to Node #0,0,4 Current State: 47:[48, 67], Operations: ['3+11=14', '81-14=67'] Exploring Operation: 48*67=3216, Resulting Numbers: [3216] 3216,47 unequal: No Solution Exploring Operation: 48+67=115, Resulting Numbers: [115] 115,47 unequal: No Solution Exploring Operation: 67-48=19, Resulting Numbers: [19] 19,47 unequal: No Solution Moving to Node #0,0,1 Current State: 47:[81, 34], Operations: ['3+11=14', '48-14=34'] Exploring Operation: 81+34=115, Resulting Numbers: [115] 115,47 unequal: No Solution Exploring Operation: 81-34=47, Resulting Numbers: [47] 47,47 equal: Goal Reached Moving to Node #0 Current State: 47:[81, 3, 11, 48], Operations: [] Exploring Operation: 3+11=14, Resulting Numbers: [81, 48, 14] Generated Node #0,0: 47:[81, 48, 14] Operation: 3+11=14 Moving to Node #0,0 Current State: 47:[81, 48, 14], Operations: ['3+11=14'] Exploring Operation: 48-14=34, Resulting Numbers: [81, 34] Generated Node #0,0,1: 47:[81, 34] Operation: 48-14=34 Moving to Node #0,0,1 Current State: 47:[81, 34], Operations: ['3+11=14', '48-14=34'] Exploring Operation: 81-34=47, Resulting Numbers: [47] 47,47 equal: Goal Reached Exit Sub Search at level 1
0.945313
hs_5
sum_heuristic
[ 55, 49, 12, 27 ]
90
[ "55-49=6", "27-12=15", "6*15=90" ]
Current State: 90:[55, 49, 12, 27], Operations: [] Exploring Operation: 55-49=6, Resulting Numbers: [12, 27, 6] Generated Node #2: [12, 27, 6] from Operation: 55-49=6 Current State: 90:[12, 27, 6], Operations: ['55-49=6'] Exploring Operation: 27-12=15, Resulting Numbers: [6, 15] Generated Node #3: [6, 15] from Operation: 27-12=15 Current State: 90:[6, 15], Operations: ['55-49=6', '27-12=15'] Exploring Operation: 6*15=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
4
Current State: 90:[55, 49, 12, 27], Operations: [] Exploring Operation: 55-49=6, Resulting Numbers: [12, 27, 6] Generated Node #0,0: 90:[12, 27, 6] Operation: 55-49=6 Exploring Operation: 55-12=43, Resulting Numbers: [49, 27, 43] Generated Node #0,1: 90:[49, 27, 43] Operation: 55-12=43 Exploring Operation: 55-27=28, Resulting Numbers: [49, 12, 28] Generated Node #0,2: 90:[49, 12, 28] Operation: 55-27=28 Moving to Node #0,0 Current State: 90:[12, 27, 6], Operations: ['55-49=6'] Exploring Operation: 12+6=18, Resulting Numbers: [27, 18] Generated Node #0,0,0: 90:[27, 18] Operation: 12+6=18 Exploring Operation: 27-12=15, Resulting Numbers: [6, 15] Generated Node #0,0,1: 90:[6, 15] Operation: 27-12=15 Exploring Operation: 12-6=6, Resulting Numbers: [27, 6] Generated Node #0,0,2: 90:[27, 6] Operation: 12-6=6 Moving to Node #0,2 Current State: 90:[49, 12, 28], Operations: ['55-27=28'] Exploring Operation: 49-28=21, Resulting Numbers: [12, 21] Generated Node #0,2,0: 90:[12, 21] Operation: 49-28=21 Exploring Operation: 28-12=16, Resulting Numbers: [49, 16] Generated Node #0,2,1: 90:[49, 16] Operation: 28-12=16 Exploring Operation: 49-12=37, Resulting Numbers: [28, 37] Generated Node #0,2,2: 90:[28, 37] Operation: 49-12=37 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 90:[12, 21], Operations: ['55-27=28', '49-28=21'] Exploring Operation: 12*21=252, Resulting Numbers: [252] 252,90 unequal: No Solution Exploring Operation: 12+21=33, Resulting Numbers: [33] 33,90 unequal: No Solution Exploring Operation: 21-12=9, Resulting Numbers: [9] 9,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 90:[49, 16], Operations: ['55-27=28', '28-12=16'] Exploring Operation: 49+16=65, Resulting Numbers: [65] 65,90 unequal: No Solution Exploring Operation: 49-16=33, Resulting Numbers: [33] 33,90 unequal: No Solution Exploring Operation: 49*16=784, Resulting Numbers: [784] 784,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 90:[28, 37], Operations: ['55-27=28', '49-12=37'] Exploring Operation: 37-28=9, Resulting Numbers: [9] 9,90 unequal: No Solution Exploring Operation: 28*37=1036, Resulting Numbers: [1036] 1036,90 unequal: No Solution Exploring Operation: 28+37=65, Resulting Numbers: [65] 65,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 90:[49, 27, 43], Operations: ['55-12=43'] Exploring Operation: 49+43=92, Resulting Numbers: [27, 92] Generated Node #0,1,0: 90:[27, 92] Operation: 49+43=92 Exploring Operation: 49-43=6, Resulting Numbers: [27, 6] Generated Node #0,1,1: 90:[27, 6] Operation: 49-43=6 Exploring Operation: 43-27=16, Resulting Numbers: [49, 16] Generated Node #0,1,2: 90:[49, 16] Operation: 43-27=16 Moving to Node #0,0,1 Current State: 90:[6, 15], Operations: ['55-49=6', '27-12=15'] Exploring Operation: 15-6=9, Resulting Numbers: [9] 9,90 unequal: No Solution Exploring Operation: 6+15=21, Resulting Numbers: [21] 21,90 unequal: No Solution Exploring Operation: 6*15=90, Resulting Numbers: [90] 90,90 equal: Goal Reached Moving to Node #0 Current State: 90:[55, 49, 12, 27], Operations: [] Exploring Operation: 55-49=6, Resulting Numbers: [12, 27, 6] Generated Node #0,0: 90:[12, 27, 6] Operation: 55-49=6 Moving to Node #0,0 Current State: 90:[12, 27, 6], Operations: ['55-49=6'] Exploring Operation: 27-12=15, Resulting Numbers: [6, 15] Generated Node #0,0,1: 90:[6, 15] Operation: 27-12=15 Moving to Node #0,0,1 Current State: 90:[6, 15], Operations: ['55-49=6', '27-12=15'] Exploring Operation: 6*15=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
0.975694
hs_3
sum_heuristic
[ 30, 47, 18, 31 ]
30
[ "47-30=17", "31-18=13", "17+13=30" ]
Current State: 30:[30, 47, 18, 31], Operations: [] Exploring Operation: 47-30=17, Resulting Numbers: [18, 31, 17] Generated Node #2: [18, 31, 17] from Operation: 47-30=17 Current State: 30:[18, 31, 17], Operations: ['47-30=17'] Exploring Operation: 31-18=13, Resulting Numbers: [17, 13] Generated Node #3: [17, 13] from Operation: 31-18=13 Current State: 30:[17, 13], Operations: ['47-30=17', '31-18=13'] Exploring Operation: 17+13=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
4
Current State: 30:[30, 47, 18, 31], Operations: [] Exploring Operation: 47-31=16, Resulting Numbers: [30, 18, 16] Generated Node #0,0: 30:[30, 18, 16] Operation: 47-31=16 Exploring Operation: 47-18=29, Resulting Numbers: [30, 31, 29] Generated Node #0,1: 30:[30, 31, 29] Operation: 47-18=29 Start Sub Search at level 1: Moving to Node #0,1 Current State: 30:[30, 31, 29], Operations: ['47-18=29'] Exploring Operation: 31-29=2, Resulting Numbers: [30, 2] Generated Node #0,1,0: 30:[30, 2] Operation: 31-29=2 Exploring Operation: 31-30=1, Resulting Numbers: [29, 1] Generated Node #0,1,1: 30:[29, 1] Operation: 31-30=1 Moving to Node #0,1,0 Current State: 30:[30, 2], Operations: ['47-18=29', '31-29=2'] Exploring Operation: 30/2=15, Resulting Numbers: [15] 15,30 unequal: No Solution Exploring Operation: 30+2=32, Resulting Numbers: [32] 32,30 unequal: No Solution Moving to Node #0,1,1 Current State: 30:[29, 1], Operations: ['47-18=29', '31-30=1'] Exploring Operation: 29+1=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Moving to Node #0 Current State: 30:[30, 47, 18, 31], Operations: [] Exploring Operation: 47-18=29, Resulting Numbers: [30, 31, 29] Generated Node #0,1: 30:[30, 31, 29] Operation: 47-18=29 Moving to Node #0,1 Current State: 30:[30, 31, 29], Operations: ['47-18=29'] Exploring Operation: 31-30=1, Resulting Numbers: [29, 1] Generated Node #0,1,1: 30:[29, 1] Operation: 31-30=1 Moving to Node #0,1,1 Current State: 30:[29, 1], Operations: ['47-18=29', '31-30=1'] Exploring Operation: 29+1=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_2
mult_heuristic
[ 29, 24, 96, 12 ]
45
[ "29+24=53", "96/12=8", "53-8=45" ]
Current State: 45:[29, 24, 96, 12], Operations: [] Exploring Operation: 29+24=53, Resulting Numbers: [96, 12, 53] Generated Node #2: [96, 12, 53] from Operation: 29+24=53 Current State: 45:[96, 12, 53], Operations: ['29+24=53'] Exploring Operation: 96/12=8, Resulting Numbers: [53, 8] Generated Node #3: [53, 8] from Operation: 96/12=8 Current State: 45:[53, 8], Operations: ['29+24=53', '96/12=8'] Exploring Operation: 53-8=45, Resulting Numbers: [45] 45,45 equal: Goal Reached
4
Current State: 45:[29, 24, 96, 12], Operations: [] Exploring Operation: 96/12=8, Resulting Numbers: [29, 24, 8] Generated Node #0,0: 45:[29, 24, 8] Operation: 96/12=8 Exploring Operation: 96-24=72, Resulting Numbers: [29, 12, 72] Generated Node #0,1: 45:[29, 12, 72] Operation: 96-24=72 Exploring Operation: 96/24=4, Resulting Numbers: [29, 12, 4] Generated Node #0,2: 45:[29, 12, 4] Operation: 96/24=4 Exploring Operation: 96-29=67, Resulting Numbers: [24, 12, 67] Generated Node #0,3: 45:[24, 12, 67] Operation: 96-29=67 Start Sub Search at level 1: Moving to Node #0,2 Current State: 45:[29, 12, 4], Operations: ['96/24=4'] Exploring Operation: 29+12=41, Resulting Numbers: [4, 41] Generated Node #0,2,0: 45:[4, 41] Operation: 29+12=41 Exploring Operation: 29-12=17, Resulting Numbers: [4, 17] Generated Node #0,2,1: 45:[4, 17] Operation: 29-12=17 Exploring Operation: 29-4=25, Resulting Numbers: [12, 25] Generated Node #0,2,2: 45:[12, 25] Operation: 29-4=25 Exploring Operation: 12/4=3, Resulting Numbers: [29, 3] Generated Node #0,2,3: 45:[29, 3] Operation: 12/4=3 Moving to Node #0,2,1 Current State: 45:[4, 17], Operations: ['96/24=4', '29-12=17'] Exploring Operation: 4+17=21, Resulting Numbers: [21] 21,45 unequal: No Solution Exploring Operation: 17-4=13, Resulting Numbers: [13] 13,45 unequal: No Solution Exploring Operation: 4*17=68, Resulting Numbers: [68] 68,45 unequal: No Solution Moving to Node #0,2,0 Current State: 45:[4, 41], Operations: ['96/24=4', '29+12=41'] Exploring Operation: 41-4=37, Resulting Numbers: [37] 37,45 unequal: No Solution Exploring Operation: 4+41=45, Resulting Numbers: [45] 45,45 equal: Goal Reached Moving to Node #0 Current State: 45:[29, 24, 96, 12], Operations: [] Exploring Operation: 96/24=4, Resulting Numbers: [29, 12, 4] Generated Node #0,2: 45:[29, 12, 4] Operation: 96/24=4 Moving to Node #0,2 Current State: 45:[29, 12, 4], Operations: ['96/24=4'] Exploring Operation: 29+12=41, Resulting Numbers: [4, 41] Generated Node #0,2,0: 45:[4, 41] Operation: 29+12=41 Moving to Node #0,2,0 Current State: 45:[4, 41], Operations: ['96/24=4', '29+12=41'] Exploring Operation: 4+41=45, Resulting Numbers: [45] 45,45 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_4
mult_heuristic
[ 56, 44, 30, 66 ]
70
[ "44-30=14", "56/14=4", "66+4=70" ]
Current State: 70:[56, 44, 30, 66], Operations: [] Exploring Operation: 44-30=14, Resulting Numbers: [56, 66, 14] Generated Node #2: [56, 66, 14] from Operation: 44-30=14 Current State: 70:[56, 66, 14], Operations: ['44-30=14'] Exploring Operation: 56/14=4, Resulting Numbers: [66, 4] Generated Node #3: [66, 4] from Operation: 56/14=4 Current State: 70:[66, 4], Operations: ['44-30=14', '56/14=4'] Exploring Operation: 66+4=70, Resulting Numbers: [70] 70,70 equal: Goal Reached
4
Current State: 70:[56, 44, 30, 66], Operations: [] Exploring Operation: 44-30=14, Resulting Numbers: [56, 66, 14] Generated Node #0,0: 70:[56, 66, 14] Operation: 44-30=14 Exploring Operation: 56-44=12, Resulting Numbers: [30, 66, 12] Generated Node #0,1: 70:[30, 66, 12] Operation: 56-44=12 Exploring Operation: 66-56=10, Resulting Numbers: [44, 30, 10] Generated Node #0,2: 70:[44, 30, 10] Operation: 66-56=10 Start Sub Search at level 1: Moving to Node #0,1 Current State: 70:[30, 66, 12], Operations: ['56-44=12'] Exploring Operation: 66-30=36, Resulting Numbers: [12, 36] Generated Node #0,1,0: 70:[12, 36] Operation: 66-30=36 Exploring Operation: 30+12=42, Resulting Numbers: [66, 42] Generated Node #0,1,1: 70:[66, 42] Operation: 30+12=42 Exploring Operation: 30-12=18, Resulting Numbers: [66, 18] Generated Node #0,1,2: 70:[66, 18] Operation: 30-12=18 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 70:[12, 36], Operations: ['56-44=12', '66-30=36'] Exploring Operation: 12+36=48, Resulting Numbers: [48] 48,70 unequal: No Solution Exploring Operation: 36-12=24, Resulting Numbers: [24] 24,70 unequal: No Solution Exploring Operation: 36/12=3, Resulting Numbers: [3] 3,70 unequal: No Solution No 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: 70:[66, 18], Operations: ['56-44=12', '30-12=18'] Exploring Operation: 66+18=84, Resulting Numbers: [84] 84,70 unequal: No Solution Exploring Operation: 66-18=48, Resulting Numbers: [48] 48,70 unequal: No Solution Exploring Operation: 66*18=1188, Resulting Numbers: [1188] 1188,70 unequal: No Solution No 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: 70:[66, 42], Operations: ['56-44=12', '30+12=42'] Exploring Operation: 66-42=24, Resulting Numbers: [24] 24,70 unequal: No Solution Exploring Operation: 66*42=2772, Resulting Numbers: [2772] 2772,70 unequal: No Solution Exploring Operation: 66+42=108, Resulting Numbers: [108] 108,70 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: 70:[44, 30, 10], Operations: ['66-56=10'] Exploring Operation: 44-30=14, Resulting Numbers: [10, 14] Generated Node #0,2,0: 70:[10, 14] Operation: 44-30=14 Exploring Operation: 44-10=34, Resulting Numbers: [30, 34] Generated Node #0,2,1: 70:[30, 34] Operation: 44-10=34 Exploring Operation: 44+30=74, Resulting Numbers: [10, 74] Generated Node #0,2,2: 70:[10, 74] Operation: 44+30=74 Moving to Node #0,2,0 Current State: 70:[10, 14], Operations: ['66-56=10', '44-30=14'] Exploring Operation: 10*14=140, Resulting Numbers: [140] 140,70 unequal: No Solution Exploring Operation: 10+14=24, Resulting Numbers: [24] 24,70 unequal: No Solution Exploring Operation: 14-10=4, Resulting Numbers: [4] 4,70 unequal: No Solution Moving to Node #0,2,2 Current State: 70:[10, 74], Operations: ['66-56=10', '44+30=74'] Exploring Operation: 10+74=84, Resulting Numbers: [84] 84,70 unequal: No Solution Exploring Operation: 74-10=64, Resulting Numbers: [64] 64,70 unequal: No Solution Exploring Operation: 10*74=740, Resulting Numbers: [740] 740,70 unequal: No Solution Moving to Node #0,2,1 Current State: 70:[30, 34], Operations: ['66-56=10', '44-10=34'] Exploring Operation: 30+34=64, Resulting Numbers: [64] 64,70 unequal: No Solution Exploring Operation: 30*34=1020, Resulting Numbers: [1020] 1020,70 unequal: No Solution Exploring Operation: 34-30=4, Resulting Numbers: [4] 4,70 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 Current State: 70:[56, 66, 14], Operations: ['44-30=14'] Exploring Operation: 66-56=10, Resulting Numbers: [14, 10] Generated Node #0,0,0: 70:[14, 10] Operation: 66-56=10 Exploring Operation: 56/14=4, Resulting Numbers: [66, 4] Generated Node #0,0,1: 70:[66, 4] Operation: 56/14=4 Exploring Operation: 56+14=70, Resulting Numbers: [66, 70] Generated Node #0,0,2: 70:[66, 70] Operation: 56+14=70 Moving to Node #0,0,0 Current State: 70:[14, 10], Operations: ['44-30=14', '66-56=10'] Exploring Operation: 14*10=140, Resulting Numbers: [140] 140,70 unequal: No Solution Exploring Operation: 14+10=24, Resulting Numbers: [24] 24,70 unequal: No Solution Exploring Operation: 14-10=4, Resulting Numbers: [4] 4,70 unequal: No Solution Moving to Node #0,0,2 Current State: 70:[66, 70], Operations: ['44-30=14', '56+14=70'] Exploring Operation: 70-66=4, Resulting Numbers: [4] 4,70 unequal: No Solution Exploring Operation: 66*70=4620, Resulting Numbers: [4620] 4620,70 unequal: No Solution Exploring Operation: 66+70=136, Resulting Numbers: [136] 136,70 unequal: No Solution Moving to Node #0,0,1 Current State: 70:[66, 4], Operations: ['44-30=14', '56/14=4'] Exploring Operation: 66-4=62, Resulting Numbers: [62] 62,70 unequal: No Solution Exploring Operation: 66*4=264, Resulting Numbers: [264] 264,70 unequal: No Solution Exploring Operation: 66+4=70, Resulting Numbers: [70] 70,70 equal: Goal Reached Moving to Node #0 Current State: 70:[56, 44, 30, 66], Operations: [] Exploring Operation: 44-30=14, Resulting Numbers: [56, 66, 14] Generated Node #0,0: 70:[56, 66, 14] Operation: 44-30=14 Moving to Node #0,0 Current State: 70:[56, 66, 14], Operations: ['44-30=14'] Exploring Operation: 56/14=4, Resulting Numbers: [66, 4] Generated Node #0,0,1: 70:[66, 4] Operation: 56/14=4 Moving to Node #0,0,1 Current State: 70:[66, 4], Operations: ['44-30=14', '56/14=4'] Exploring Operation: 66+4=70, Resulting Numbers: [70] 70,70 equal: Goal Reached Exit Sub Search at level 1
0.962674
hs_3
mult_heuristic
[ 23, 28, 62, 4 ]
15
[ "23+28=51", "62+4=66", "66-51=15" ]
Current State: 15:[23, 28, 62, 4], Operations: [] Exploring Operation: 23+28=51, Resulting Numbers: [62, 4, 51] Generated Node #2: [62, 4, 51] from Operation: 23+28=51 Current State: 15:[62, 4, 51], Operations: ['23+28=51'] Exploring Operation: 62+4=66, Resulting Numbers: [51, 66] Generated Node #3: [51, 66] from Operation: 62+4=66 Current State: 15:[51, 66], Operations: ['23+28=51', '62+4=66'] Exploring Operation: 66-51=15, Resulting Numbers: [15] 15,15 equal: Goal Reached
4
Current State: 15:[23, 28, 62, 4], Operations: [] Exploring Operation: 28-23=5, Resulting Numbers: [62, 4, 5] Generated Node #0,0: 15:[62, 4, 5] Operation: 28-23=5 Exploring Operation: 62-28=34, Resulting Numbers: [23, 4, 34] Generated Node #0,1: 15:[23, 4, 34] Operation: 62-28=34 Exploring Operation: 62-23=39, Resulting Numbers: [28, 4, 39] Generated Node #0,2: 15:[28, 4, 39] Operation: 62-23=39 Start Sub Search at level 1: Moving to Node #0,1 Current State: 15:[23, 4, 34], Operations: ['62-28=34'] Exploring Operation: 34-23=11, Resulting Numbers: [4, 11] Generated Node #0,1,0: 15:[4, 11] Operation: 34-23=11 Exploring Operation: 23-4=19, Resulting Numbers: [34, 19] Generated Node #0,1,1: 15:[34, 19] Operation: 23-4=19 Exploring Operation: 34-4=30, Resulting Numbers: [23, 30] Generated Node #0,1,2: 15:[23, 30] Operation: 34-4=30 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 15:[4, 11], Operations: ['62-28=34', '34-23=11'] Exploring Operation: 4*11=44, Resulting Numbers: [44] 44,15 unequal: No Solution Exploring Operation: 11-4=7, Resulting Numbers: [7] 7,15 unequal: No Solution Exploring Operation: 4+11=15, Resulting Numbers: [15] 15,15 equal: Goal Reached Moving to Node #0 Current State: 15:[23, 28, 62, 4], Operations: [] Exploring Operation: 62-28=34, Resulting Numbers: [23, 4, 34] Generated Node #0,1: 15:[23, 4, 34] Operation: 62-28=34 Moving to Node #0,1 Current State: 15:[23, 4, 34], Operations: ['62-28=34'] Exploring Operation: 34-23=11, Resulting Numbers: [4, 11] Generated Node #0,1,0: 15:[4, 11] Operation: 34-23=11 Moving to Node #0,1,0 Current State: 15:[4, 11], Operations: ['62-28=34', '34-23=11'] Exploring Operation: 4+11=15, Resulting Numbers: [15] 15,15 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.988715
hs_3
mult_heuristic
[ 80, 24, 34, 13 ]
70
[ "34-13=21", "80*21=1680", "1680/24=70" ]
Current State: 70:[80, 24, 34, 13], Operations: [] Exploring Operation: 34-13=21, Resulting Numbers: [80, 24, 21] Generated Node #2: [80, 24, 21] from Operation: 34-13=21 Current State: 70:[80, 24, 21], Operations: ['34-13=21'] Exploring Operation: 80*21=1680, Resulting Numbers: [24, 1680] Generated Node #3: [24, 1680] from Operation: 80*21=1680 Current State: 70:[24, 1680], Operations: ['34-13=21', '80*21=1680'] Exploring Operation: 1680/24=70, Resulting Numbers: [70] 70,70 equal: Goal Reached
4
Current State: 70:[80, 24, 34, 13], Operations: [] Exploring Operation: 24+13=37, Resulting Numbers: [80, 34, 37] Generated Node #0,0: 70:[80, 34, 37] Operation: 24+13=37 Exploring Operation: 34-24=10, Resulting Numbers: [80, 13, 10] Generated Node #0,1: 70:[80, 13, 10] Operation: 34-24=10 Exploring Operation: 80-13=67, Resulting Numbers: [24, 34, 67] Generated Node #0,2: 70:[24, 34, 67] Operation: 80-13=67 Exploring Operation: 24-13=11, Resulting Numbers: [80, 34, 11] Generated Node #0,3: 70:[80, 34, 11] Operation: 24-13=11 Exploring Operation: 80-24=56, Resulting Numbers: [34, 13, 56] Generated Node #0,4: 70:[34, 13, 56] Operation: 80-24=56 Start Sub Search at level 1: Moving to Node #0,1 Current State: 70:[80, 13, 10], Operations: ['34-24=10'] Exploring Operation: 80-13=67, Resulting Numbers: [10, 67] Generated Node #0,1,0: 70:[10, 67] Operation: 80-13=67 Exploring Operation: 80/10=8, Resulting Numbers: [13, 8] Generated Node #0,1,1: 70:[13, 8] Operation: 80/10=8 Exploring Operation: 13+10=23, Resulting Numbers: [80, 23] Generated Node #0,1,2: 70:[80, 23] Operation: 13+10=23 Exploring Operation: 13-10=3, Resulting Numbers: [80, 3] Generated Node #0,1,3: 70:[80, 3] Operation: 13-10=3 Exploring Operation: 80-10=70, Resulting Numbers: [13, 70] Generated Node #0,1,4: 70:[13, 70] Operation: 80-10=70 Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 70:[13, 70], Operations: ['34-24=10', '80-10=70'] Exploring Operation: 70-13=57, Resulting Numbers: [57] 57,70 unequal: No Solution Exploring Operation: 13+70=83, Resulting Numbers: [83] 83,70 unequal: No Solution Exploring Operation: 13*70=910, Resulting Numbers: [910] 910,70 unequal: No Solution No 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: 70:[13, 8], Operations: ['34-24=10', '80/10=8'] Exploring Operation: 13*8=104, Resulting Numbers: [104] 104,70 unequal: No Solution Exploring Operation: 13+8=21, Resulting Numbers: [21] 21,70 unequal: No Solution Exploring Operation: 13-8=5, Resulting Numbers: [5] 5,70 unequal: No Solution No 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: 70:[10, 67], Operations: ['34-24=10', '80-13=67'] Exploring Operation: 10+67=77, Resulting Numbers: [77] 77,70 unequal: No Solution Exploring Operation: 67-10=57, Resulting Numbers: [57] 57,70 unequal: No Solution Exploring Operation: 10*67=670, Resulting Numbers: [670] 670,70 unequal: No Solution No 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: 70:[80, 3], Operations: ['34-24=10', '13-10=3'] Exploring Operation: 80-3=77, Resulting Numbers: [77] 77,70 unequal: No Solution Exploring Operation: 80*3=240, Resulting Numbers: [240] 240,70 unequal: No Solution Exploring Operation: 80+3=83, Resulting Numbers: [83] 83,70 unequal: No Solution No 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: 70:[80, 23], Operations: ['34-24=10', '13+10=23'] Exploring Operation: 80*23=1840, Resulting Numbers: [1840] 1840,70 unequal: No Solution Exploring Operation: 80+23=103, Resulting Numbers: [103] 103,70 unequal: No Solution Exploring Operation: 80-23=57, Resulting Numbers: [57] 57,70 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: 70:[80, 34, 11], Operations: ['24-13=11'] Exploring Operation: 80-11=69, Resulting Numbers: [34, 69] Generated Node #0,3,0: 70:[34, 69] Operation: 80-11=69 Exploring Operation: 34-11=23, Resulting Numbers: [80, 23] Generated Node #0,3,1: 70:[80, 23] Operation: 34-11=23 Exploring Operation: 80+11=91, Resulting Numbers: [34, 91] Generated Node #0,3,2: 70:[34, 91] Operation: 80+11=91 Exploring Operation: 80-34=46, Resulting Numbers: [11, 46] Generated Node #0,3,3: 70:[11, 46] Operation: 80-34=46 Exploring Operation: 34+11=45, Resulting Numbers: [80, 45] Generated Node #0,3,4: 70:[80, 45] Operation: 34+11=45 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 70:[34, 69], Operations: ['24-13=11', '80-11=69'] Exploring Operation: 34+69=103, Resulting Numbers: [103] 103,70 unequal: No Solution Exploring Operation: 69-34=35, Resulting Numbers: [35] 35,70 unequal: No Solution Exploring Operation: 34*69=2346, Resulting Numbers: [2346] 2346,70 unequal: No Solution No 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: 70:[11, 46], Operations: ['24-13=11', '80-34=46'] Exploring Operation: 11+46=57, Resulting Numbers: [57] 57,70 unequal: No Solution Exploring Operation: 11*46=506, Resulting Numbers: [506] 506,70 unequal: No Solution Exploring Operation: 46-11=35, Resulting Numbers: [35] 35,70 unequal: No Solution No 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: 70:[80, 23], Operations: ['24-13=11', '34-11=23'] Exploring Operation: 80-23=57, Resulting Numbers: [57] 57,70 unequal: No Solution Exploring Operation: 80+23=103, Resulting Numbers: [103] 103,70 unequal: No Solution Exploring Operation: 80*23=1840, Resulting Numbers: [1840] 1840,70 unequal: No Solution No 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: 70:[80, 45], Operations: ['24-13=11', '34+11=45'] Exploring Operation: 80+45=125, Resulting Numbers: [125] 125,70 unequal: No Solution Exploring Operation: 80-45=35, Resulting Numbers: [35] 35,70 unequal: No Solution Exploring Operation: 80*45=3600, Resulting Numbers: [3600] 3600,70 unequal: No Solution No 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: 70:[34, 91], Operations: ['24-13=11', '80+11=91'] Exploring Operation: 34*91=3094, Resulting Numbers: [3094] 3094,70 unequal: No Solution Exploring Operation: 91-34=57, Resulting Numbers: [57] 57,70 unequal: No Solution Exploring Operation: 34+91=125, Resulting Numbers: [125] 125,70 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: 70:[80, 34, 37], Operations: ['24+13=37'] Exploring Operation: 80-37=43, Resulting Numbers: [34, 43] Generated Node #0,0,0: 70:[34, 43] Operation: 80-37=43 Exploring Operation: 37-34=3, Resulting Numbers: [80, 3] Generated Node #0,0,1: 70:[80, 3] Operation: 37-34=3 Exploring Operation: 80-34=46, Resulting Numbers: [37, 46] Generated Node #0,0,2: 70:[37, 46] Operation: 80-34=46 Exploring Operation: 80+34=114, Resulting Numbers: [37, 114] Generated Node #0,0,3: 70:[37, 114] Operation: 80+34=114 Exploring Operation: 34+37=71, Resulting Numbers: [80, 71] Generated Node #0,0,4: 70:[80, 71] Operation: 34+37=71 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 70:[34, 43], Operations: ['24+13=37', '80-37=43'] Exploring Operation: 43-34=9, Resulting Numbers: [9] 9,70 unequal: No Solution Exploring Operation: 34+43=77, Resulting Numbers: [77] 77,70 unequal: No Solution Exploring Operation: 34*43=1462, Resulting Numbers: [1462] 1462,70 unequal: No Solution No 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: 70:[80, 3], Operations: ['24+13=37', '37-34=3'] Exploring Operation: 80-3=77, Resulting Numbers: [77] 77,70 unequal: No Solution Exploring Operation: 80*3=240, Resulting Numbers: [240] 240,70 unequal: No Solution Exploring Operation: 80+3=83, Resulting Numbers: [83] 83,70 unequal: No Solution No 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: 70:[80, 71], Operations: ['24+13=37', '34+37=71'] Exploring Operation: 80-71=9, Resulting Numbers: [9] 9,70 unequal: No Solution Exploring Operation: 80*71=5680, Resulting Numbers: [5680] 5680,70 unequal: No Solution Exploring Operation: 80+71=151, Resulting Numbers: [151] 151,70 unequal: No Solution No 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: 70:[37, 46], Operations: ['24+13=37', '80-34=46'] Exploring Operation: 37+46=83, Resulting Numbers: [83] 83,70 unequal: No Solution Exploring Operation: 46-37=9, Resulting Numbers: [9] 9,70 unequal: No Solution Exploring Operation: 37*46=1702, Resulting Numbers: [1702] 1702,70 unequal: No Solution No 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: 70:[37, 114], Operations: ['24+13=37', '80+34=114'] Exploring Operation: 114-37=77, Resulting Numbers: [77] 77,70 unequal: No Solution Exploring Operation: 37+114=151, Resulting Numbers: [151] 151,70 unequal: No Solution Exploring Operation: 37*114=4218, Resulting Numbers: [4218] 4218,70 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: 70:[24, 34, 67], Operations: ['80-13=67'] Exploring Operation: 67-34=33, Resulting Numbers: [24, 33] Generated Node #0,2,0: 70:[24, 33] Operation: 67-34=33 Exploring Operation: 34-24=10, Resulting Numbers: [67, 10] Generated Node #0,2,1: 70:[67, 10] Operation: 34-24=10 Exploring Operation: 24+34=58, Resulting Numbers: [67, 58] Generated Node #0,2,2: 70:[67, 58] Operation: 24+34=58 Exploring Operation: 24+67=91, Resulting Numbers: [34, 91] Generated Node #0,2,3: 70:[34, 91] Operation: 24+67=91 Exploring Operation: 67-24=43, Resulting Numbers: [34, 43] Generated Node #0,2,4: 70:[34, 43] Operation: 67-24=43 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 70:[67, 10], Operations: ['80-13=67', '34-24=10'] Exploring Operation: 67-10=57, Resulting Numbers: [57] 57,70 unequal: No Solution Exploring Operation: 67*10=670, Resulting Numbers: [670] 670,70 unequal: No Solution Exploring Operation: 67+10=77, Resulting Numbers: [77] 77,70 unequal: No Solution No 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: 70:[34, 43], Operations: ['80-13=67', '67-24=43'] Exploring Operation: 34+43=77, Resulting Numbers: [77] 77,70 unequal: No Solution Exploring Operation: 34*43=1462, Resulting Numbers: [1462] 1462,70 unequal: No Solution Exploring Operation: 43-34=9, Resulting Numbers: [9] 9,70 unequal: No Solution No 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: 70:[24, 33], Operations: ['80-13=67', '67-34=33'] Exploring Operation: 24+33=57, Resulting Numbers: [57] 57,70 unequal: No Solution Exploring Operation: 24*33=792, Resulting Numbers: [792] 792,70 unequal: No Solution Exploring Operation: 33-24=9, Resulting Numbers: [9] 9,70 unequal: No Solution No 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: 70:[67, 58], Operations: ['80-13=67', '24+34=58'] Exploring Operation: 67-58=9, Resulting Numbers: [9] 9,70 unequal: No Solution Exploring Operation: 67*58=3886, Resulting Numbers: [3886] 3886,70 unequal: No Solution Exploring Operation: 67+58=125, Resulting Numbers: [125] 125,70 unequal: No Solution No 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: 70:[34, 91], Operations: ['80-13=67', '24+67=91'] Exploring Operation: 34*91=3094, Resulting Numbers: [3094] 3094,70 unequal: No Solution Exploring Operation: 34+91=125, Resulting Numbers: [125] 125,70 unequal: No Solution Exploring Operation: 91-34=57, Resulting Numbers: [57] 57,70 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: 70:[34, 13, 56], Operations: ['80-24=56'] Exploring Operation: 56-13=43, Resulting Numbers: [34, 43] Generated Node #0,4,0: 70:[34, 43] Operation: 56-13=43 Exploring Operation: 34+56=90, Resulting Numbers: [13, 90] Generated Node #0,4,1: 70:[13, 90] Operation: 34+56=90 Exploring Operation: 34-13=21, Resulting Numbers: [56, 21] Generated Node #0,4,2: 70:[56, 21] Operation: 34-13=21 Exploring Operation: 56-34=22, Resulting Numbers: [13, 22] Generated Node #0,4,3: 70:[13, 22] Operation: 56-34=22 Exploring Operation: 13+56=69, Resulting Numbers: [34, 69] Generated Node #0,4,4: 70:[34, 69] Operation: 13+56=69 Moving to Node #0,4,4 Current State: 70:[34, 69], Operations: ['80-24=56', '13+56=69'] Exploring Operation: 69-34=35, Resulting Numbers: [35] 35,70 unequal: No Solution Exploring Operation: 34+69=103, Resulting Numbers: [103] 103,70 unequal: No Solution Exploring Operation: 34*69=2346, Resulting Numbers: [2346] 2346,70 unequal: No Solution Moving to Node #0,4,3 Current State: 70:[13, 22], Operations: ['80-24=56', '56-34=22'] Exploring Operation: 13*22=286, Resulting Numbers: [286] 286,70 unequal: No Solution Exploring Operation: 13+22=35, Resulting Numbers: [35] 35,70 unequal: No Solution Exploring Operation: 22-13=9, Resulting Numbers: [9] 9,70 unequal: No Solution Moving to Node #0,4,0 Current State: 70:[34, 43], Operations: ['80-24=56', '56-13=43'] Exploring Operation: 34*43=1462, Resulting Numbers: [1462] 1462,70 unequal: No Solution Exploring Operation: 43-34=9, Resulting Numbers: [9] 9,70 unequal: No Solution Exploring Operation: 34+43=77, Resulting Numbers: [77] 77,70 unequal: No Solution Moving to Node #0,4,1 Current State: 70:[13, 90], Operations: ['80-24=56', '34+56=90'] Exploring Operation: 90-13=77, Resulting Numbers: [77] 77,70 unequal: No Solution Exploring Operation: 13+90=103, Resulting Numbers: [103] 103,70 unequal: No Solution Exploring Operation: 13*90=1170, Resulting Numbers: [1170] 1170,70 unequal: No Solution Moving to Node #0,4,2 Current State: 70:[56, 21], Operations: ['80-24=56', '34-13=21'] Exploring Operation: 56*21=1176, Resulting Numbers: [1176] 1176,70 unequal: No Solution Exploring Operation: 56-21=35, Resulting Numbers: [35] 35,70 unequal: No Solution Exploring Operation: 56+21=77, Resulting Numbers: [77] 77,70 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
[ 31, 61, 1, 10 ]
82
[ "31+61=92", "1*10=10", "92-10=82" ]
Current State: 82:[31, 61, 1, 10], Operations: [] Exploring Operation: 31+61=92, Resulting Numbers: [1, 10, 92] Generated Node #2: [1, 10, 92] from Operation: 31+61=92 Current State: 82:[1, 10, 92], Operations: ['31+61=92'] Exploring Operation: 1*10=10, Resulting Numbers: [92, 10] Generated Node #3: [92, 10] from Operation: 1*10=10 Current State: 82:[92, 10], Operations: ['31+61=92', '1*10=10'] Exploring Operation: 92-10=82, Resulting Numbers: [82] 82,82 equal: Goal Reached
4
Current State: 82:[31, 61, 1, 10], Operations: [] Exploring Operation: 31+10=41, Resulting Numbers: [61, 1, 41] Generated Node #0,0: 82:[61, 1, 41] Operation: 31+10=41 Exploring Operation: 61-31=30, Resulting Numbers: [1, 10, 30] Generated Node #0,1: 82:[1, 10, 30] Operation: 61-31=30 Exploring Operation: 31+61=92, Resulting Numbers: [1, 10, 92] Generated Node #0,2: 82:[1, 10, 92] Operation: 31+61=92 Moving to Node #0,2 Current State: 82:[1, 10, 92], Operations: ['31+61=92'] Exploring Operation: 92-1=91, Resulting Numbers: [10, 91] Generated Node #0,2,0: 82:[10, 91] Operation: 92-1=91 Exploring Operation: 92-10=82, Resulting Numbers: [1, 82] Generated Node #0,2,1: 82:[1, 82] Operation: 92-10=82 Exploring Operation: 10-1=9, Resulting Numbers: [92, 9] Generated Node #0,2,2: 82:[92, 9] Operation: 10-1=9 Moving to Node #0,1 Current State: 82:[1, 10, 30], Operations: ['61-31=30'] Exploring Operation: 30/10=3, Resulting Numbers: [1, 3] Generated Node #0,1,0: 82:[1, 3] Operation: 30/10=3 Exploring Operation: 10+30=40, Resulting Numbers: [1, 40] Generated Node #0,1,1: 82:[1, 40] Operation: 10+30=40 Exploring Operation: 10-1=9, Resulting Numbers: [30, 9] Generated Node #0,1,2: 82:[30, 9] Operation: 10-1=9 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 82:[1, 3], Operations: ['61-31=30', '30/10=3'] Exploring Operation: 1*3=3, Resulting Numbers: [3] 3,82 unequal: No Solution Exploring Operation: 3-1=2, Resulting Numbers: [2] 2,82 unequal: No Solution Exploring Operation: 3/1=3, Resulting Numbers: [3] 3,82 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 #0,1,1 Current State: 82:[1, 40], Operations: ['61-31=30', '10+30=40'] Exploring Operation: 40/1=40, Resulting Numbers: [40] 40,82 unequal: No Solution Exploring Operation: 1+40=41, Resulting Numbers: [41] 41,82 unequal: No Solution Exploring Operation: 1*40=40, Resulting Numbers: [40] 40,82 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 #0,1,2 Current State: 82:[30, 9], Operations: ['61-31=30', '10-1=9'] Exploring Operation: 30+9=39, Resulting Numbers: [39] 39,82 unequal: No Solution Exploring Operation: 30-9=21, Resulting Numbers: [21] 21,82 unequal: No Solution Exploring Operation: 30*9=270, Resulting Numbers: [270] 270,82 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:[61, 1, 41], Operations: ['31+10=41'] Exploring Operation: 61-1=60, Resulting Numbers: [41, 60] Generated Node #0,0,0: 82:[41, 60] Operation: 61-1=60 Exploring Operation: 61+1=62, Resulting Numbers: [41, 62] Generated Node #0,0,1: 82:[41, 62] Operation: 61+1=62 Exploring Operation: 61-41=20, Resulting Numbers: [1, 20] Generated Node #0,0,2: 82:[1, 20] Operation: 61-41=20 Moving to Node #0,2,1 Current State: 82:[1, 82], Operations: ['31+61=92', '92-10=82'] Exploring Operation: 1*82=82, Resulting Numbers: [82] 82,82 equal: Goal Reached Moving to Node #0 Current State: 82:[31, 61, 1, 10], Operations: [] Exploring Operation: 31+61=92, Resulting Numbers: [1, 10, 92] Generated Node #0,2: 82:[1, 10, 92] Operation: 31+61=92 Moving to Node #0,2 Current State: 82:[1, 10, 92], Operations: ['31+61=92'] Exploring Operation: 92-10=82, Resulting Numbers: [1, 82] Generated Node #0,2,1: 82:[1, 82] Operation: 92-10=82 Moving to Node #0,2,1 Current State: 82:[1, 82], Operations: ['31+61=92', '92-10=82'] Exploring Operation: 1*82=82, Resulting Numbers: [82] 82,82 equal: Goal Reached
0.977431
hs_3
mult_heuristic
[ 53, 58, 3, 19 ]
82
[ "53*3=159", "58+19=77", "159-77=82" ]
Current State: 82:[53, 58, 3, 19], Operations: [] Exploring Operation: 53*3=159, Resulting Numbers: [58, 19, 159] Generated Node #2: [58, 19, 159] from Operation: 53*3=159 Current State: 82:[58, 19, 159], Operations: ['53*3=159'] Exploring Operation: 58+19=77, Resulting Numbers: [159, 77] Generated Node #3: [159, 77] from Operation: 58+19=77 Current State: 82:[159, 77], Operations: ['53*3=159', '58+19=77'] Exploring Operation: 159-77=82, Resulting Numbers: [82] 82,82 equal: Goal Reached
4
Current State: 82:[53, 58, 3, 19], Operations: [] Exploring Operation: 58+19=77, Resulting Numbers: [53, 3, 77] Generated Node #0,0: 82:[53, 3, 77] Operation: 58+19=77 Exploring Operation: 58-19=39, Resulting Numbers: [53, 3, 39] Generated Node #0,1: 82:[53, 3, 39] Operation: 58-19=39 Start Sub Search at level 1: Moving to Node #0,1 Current State: 82:[53, 3, 39], Operations: ['58-19=39'] Exploring Operation: 53+39=92, Resulting Numbers: [3, 92] Generated Node #0,1,0: 82:[3, 92] Operation: 53+39=92 Exploring Operation: 53-3=50, Resulting Numbers: [39, 50] Generated Node #0,1,1: 82:[39, 50] Operation: 53-3=50 Moving to Node #0,1,0 Current State: 82:[3, 92], Operations: ['58-19=39', '53+39=92'] Exploring Operation: 3+92=95, Resulting Numbers: [95] 95,82 unequal: No Solution Exploring Operation: 92-3=89, Resulting Numbers: [89] 89,82 unequal: No Solution Moving to Node #0,1,1 Current State: 82:[39, 50], Operations: ['58-19=39', '53-3=50'] Exploring Operation: 50-39=11, Resulting Numbers: [11] 11,82 unequal: No Solution Exploring Operation: 39+50=89, Resulting Numbers: [89] 89,82 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 82:[53, 3, 77], Operations: ['58+19=77'] Exploring Operation: 53-3=50, Resulting Numbers: [77, 50] Generated Node #0,0,0: 82:[77, 50] Operation: 53-3=50 Exploring Operation: 3+77=80, Resulting Numbers: [53, 80] Generated Node #0,0,1: 82:[53, 80] Operation: 3+77=80 Moving to Node #0,0,0 Current State: 82:[77, 50], Operations: ['58+19=77', '53-3=50'] Exploring Operation: 77+50=127, Resulting Numbers: [127] 127,82 unequal: No Solution Exploring Operation: 77-50=27, Resulting Numbers: [27] 27,82 unequal: No Solution Moving to Node #0,0,1 Current State: 82:[53, 80], Operations: ['58+19=77', '3+77=80'] Exploring Operation: 80-53=27, Resulting Numbers: [27] 27,82 unequal: No Solution Exploring Operation: 53+80=133, Resulting Numbers: [133] 133,82 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
[ 93, 13, 69, 10 ]
54
[ "93+69=162", "13-10=3", "162/3=54" ]
Current State: 54:[93, 13, 69, 10], Operations: [] Exploring Operation: 93+69=162, Resulting Numbers: [13, 10, 162] Generated Node #2: [13, 10, 162] from Operation: 93+69=162 Current State: 54:[13, 10, 162], Operations: ['93+69=162'] Exploring Operation: 13-10=3, Resulting Numbers: [162, 3] Generated Node #3: [162, 3] from Operation: 13-10=3 Current State: 54:[162, 3], Operations: ['93+69=162', '13-10=3'] Exploring Operation: 162/3=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
4
Current State: 54:[93, 13, 69, 10], Operations: [] Exploring Operation: 93-69=24, Resulting Numbers: [13, 10, 24] Generated Node #0,0: 54:[13, 10, 24] Operation: 93-69=24 Exploring Operation: 93-13=80, Resulting Numbers: [69, 10, 80] Generated Node #0,1: 54:[69, 10, 80] Operation: 93-13=80 Start Sub Search at level 1: Moving to Node #0,0 Current State: 54:[13, 10, 24], Operations: ['93-69=24'] Exploring Operation: 13-10=3, Resulting Numbers: [24, 3] Generated Node #0,0,0: 54:[24, 3] Operation: 13-10=3 Exploring Operation: 24-13=11, Resulting Numbers: [10, 11] Generated Node #0,0,1: 54:[10, 11] Operation: 24-13=11 Moving to Node #0,0,0 Current State: 54:[24, 3], Operations: ['93-69=24', '13-10=3'] Exploring Operation: 24+3=27, Resulting Numbers: [27] 27,54 unequal: No Solution Exploring Operation: 24/3=8, Resulting Numbers: [8] 8,54 unequal: No Solution Moving to Node #0,0,1 Current State: 54:[10, 11], Operations: ['93-69=24', '24-13=11'] Exploring Operation: 11-10=1, Resulting Numbers: [1] 1,54 unequal: No Solution Exploring Operation: 10+11=21, Resulting Numbers: [21] 21,54 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 54:[69, 10, 80], Operations: ['93-13=80'] Exploring Operation: 80/10=8, Resulting Numbers: [69, 8] Generated Node #0,1,0: 54:[69, 8] Operation: 80/10=8 Exploring Operation: 80-69=11, Resulting Numbers: [10, 11] Generated Node #0,1,1: 54:[10, 11] Operation: 80-69=11 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 54:[10, 11], Operations: ['93-13=80', '80-69=11'] Exploring Operation: 10+11=21, Resulting Numbers: [21] 21,54 unequal: No Solution Exploring Operation: 11-10=1, Resulting Numbers: [1] 1,54 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 54:[69, 8], Operations: ['93-13=80', '80/10=8'] Exploring Operation: 69+8=77, Resulting Numbers: [77] 77,54 unequal: No Solution Exploring Operation: 69-8=61, Resulting Numbers: [61] 61,54 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 38, 15, 66, 30 ]
43
[ "38+15=53", "66+30=96", "96-53=43" ]
Current State: 43:[38, 15, 66, 30], Operations: [] Exploring Operation: 38+15=53, Resulting Numbers: [66, 30, 53] Generated Node #2: [66, 30, 53] from Operation: 38+15=53 Current State: 43:[66, 30, 53], Operations: ['38+15=53'] Exploring Operation: 66+30=96, Resulting Numbers: [53, 96] Generated Node #3: [53, 96] from Operation: 66+30=96 Current State: 43:[53, 96], Operations: ['38+15=53', '66+30=96'] Exploring Operation: 96-53=43, Resulting Numbers: [43] 43,43 equal: Goal Reached
4
Current State: 43:[38, 15, 66, 30], Operations: [] Exploring Operation: 66-15=51, Resulting Numbers: [38, 30, 51] Generated Node #0,0: 43:[38, 30, 51] Operation: 66-15=51 Start Sub Search at level 1: Moving to Node #0,0 Current State: 43:[38, 30, 51], Operations: ['66-15=51'] Exploring Operation: 51-30=21, Resulting Numbers: [38, 21] Generated Node #0,0,0: 43:[38, 21] Operation: 51-30=21 Moving to Node #0,0,0 Current State: 43:[38, 21], Operations: ['66-15=51', '51-30=21'] Exploring Operation: 38+21=59, Resulting Numbers: [59] 59,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 83, 31, 82, 73 ]
42
[ "83-82=1", "73-31=42", "1*42=42" ]
Current State: 42:[83, 31, 82, 73], Operations: [] Exploring Operation: 83-82=1, Resulting Numbers: [31, 73, 1] Generated Node #2: [31, 73, 1] from Operation: 83-82=1 Current State: 42:[31, 73, 1], Operations: ['83-82=1'] Exploring Operation: 73-31=42, Resulting Numbers: [1, 42] Generated Node #3: [1, 42] from Operation: 73-31=42 Current State: 42:[1, 42], Operations: ['83-82=1', '73-31=42'] Exploring Operation: 1*42=42, Resulting Numbers: [42] 42,42 equal: Goal Reached
4
Current State: 42:[83, 31, 82, 73], Operations: [] Exploring Operation: 83-82=1, Resulting Numbers: [31, 73, 1] Generated Node #0,0: 42:[31, 73, 1] Operation: 83-82=1 Moving to Node #0,0 Current State: 42:[31, 73, 1], Operations: ['83-82=1'] Exploring Operation: 73-31=42, Resulting Numbers: [1, 42] Generated Node #0,0,0: 42:[1, 42] Operation: 73-31=42 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 42:[1, 42], Operations: ['83-82=1', '73-31=42'] Exploring Operation: 1*42=42, Resulting Numbers: [42] 42,42 equal: Goal Reached Moving to Node #0 Current State: 42:[83, 31, 82, 73], Operations: [] Exploring Operation: 83-82=1, Resulting Numbers: [31, 73, 1] Generated Node #0,0: 42:[31, 73, 1] Operation: 83-82=1 Moving to Node #0,0 Current State: 42:[31, 73, 1], Operations: ['83-82=1'] Exploring Operation: 73-31=42, Resulting Numbers: [1, 42] Generated Node #0,0,0: 42:[1, 42] Operation: 73-31=42 Moving to Node #0,0,0 Current State: 42:[1, 42], Operations: ['83-82=1', '73-31=42'] Exploring Operation: 1*42=42, Resulting Numbers: [42] 42,42 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 21, 52, 27, 2 ]
56
[ "52-21=31", "27-2=25", "31+25=56" ]
Current State: 56:[21, 52, 27, 2], Operations: [] Exploring Operation: 52-21=31, Resulting Numbers: [27, 2, 31] Generated Node #2: [27, 2, 31] from Operation: 52-21=31 Current State: 56:[27, 2, 31], Operations: ['52-21=31'] Exploring Operation: 27-2=25, Resulting Numbers: [31, 25] Generated Node #3: [31, 25] from Operation: 27-2=25 Current State: 56:[31, 25], Operations: ['52-21=31', '27-2=25'] Exploring Operation: 31+25=56, Resulting Numbers: [56] 56,56 equal: Goal Reached
4
Current State: 56:[21, 52, 27, 2], Operations: [] Exploring Operation: 27-21=6, Resulting Numbers: [52, 2, 6] Generated Node #0,0: 56:[52, 2, 6] Operation: 27-21=6 Exploring Operation: 21-2=19, Resulting Numbers: [52, 27, 19] Generated Node #0,1: 56:[52, 27, 19] Operation: 21-2=19 Exploring Operation: 21+2=23, Resulting Numbers: [52, 27, 23] Generated Node #0,2: 56:[52, 27, 23] Operation: 21+2=23 Exploring Operation: 52-21=31, Resulting Numbers: [27, 2, 31] Generated Node #0,3: 56:[27, 2, 31] Operation: 52-21=31 Start Sub Search at level 1: Moving to Node #0,3 Current State: 56:[27, 2, 31], Operations: ['52-21=31'] Exploring Operation: 27+2=29, Resulting Numbers: [31, 29] Generated Node #0,3,0: 56:[31, 29] Operation: 27+2=29 Exploring Operation: 27+31=58, Resulting Numbers: [2, 58] Generated Node #0,3,1: 56:[2, 58] Operation: 27+31=58 Exploring Operation: 31-27=4, Resulting Numbers: [2, 4] Generated Node #0,3,2: 56:[2, 4] Operation: 31-27=4 Exploring Operation: 31-2=29, Resulting Numbers: [27, 29] Generated Node #0,3,3: 56:[27, 29] Operation: 31-2=29 Moving to Node #0,3,2 Current State: 56:[2, 4], Operations: ['52-21=31', '31-27=4'] Exploring Operation: 2*4=8, Resulting Numbers: [8] 8,56 unequal: No Solution Exploring Operation: 4-2=2, Resulting Numbers: [2] 2,56 unequal: No Solution Exploring Operation: 4/2=2, Resulting Numbers: [2] 2,56 unequal: No Solution Exploring Operation: 2+4=6, Resulting Numbers: [6] 6,56 unequal: No Solution Moving to Node #0,3,3 Current State: 56:[27, 29], Operations: ['52-21=31', '31-2=29'] Exploring Operation: 27+29=56, Resulting Numbers: [56] 56,56 equal: Goal Reached Moving to Node #0 Current State: 56:[21, 52, 27, 2], Operations: [] Exploring Operation: 52-21=31, Resulting Numbers: [27, 2, 31] Generated Node #0,3: 56:[27, 2, 31] Operation: 52-21=31 Moving to Node #0,3 Current State: 56:[27, 2, 31], Operations: ['52-21=31'] Exploring Operation: 31-2=29, Resulting Numbers: [27, 29] Generated Node #0,3,3: 56:[27, 29] Operation: 31-2=29 Moving to Node #0,3,3 Current State: 56:[27, 29], Operations: ['52-21=31', '31-2=29'] Exploring Operation: 27+29=56, Resulting Numbers: [56] 56,56 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_4
sum_heuristic
[ 93, 60, 89, 35 ]
100
[ "93-89=4", "60-35=25", "4*25=100" ]
Current State: 100:[93, 60, 89, 35], Operations: [] Exploring Operation: 93-89=4, Resulting Numbers: [60, 35, 4] Generated Node #2: [60, 35, 4] from Operation: 93-89=4 Current State: 100:[60, 35, 4], Operations: ['93-89=4'] Exploring Operation: 60-35=25, Resulting Numbers: [4, 25] Generated Node #3: [4, 25] from Operation: 60-35=25 Current State: 100:[4, 25], Operations: ['93-89=4', '60-35=25'] Exploring Operation: 4*25=100, Resulting Numbers: [100] 100,100 equal: Goal Reached
4
Current State: 100:[93, 60, 89, 35], Operations: [] Exploring Operation: 93-89=4, Resulting Numbers: [60, 35, 4] Generated Node #0,0: 100:[60, 35, 4] Operation: 93-89=4 Exploring Operation: 60-35=25, Resulting Numbers: [93, 89, 25] Generated Node #0,1: 100:[93, 89, 25] Operation: 60-35=25 Start Sub Search at level 1: Moving to Node #0,1 Current State: 100:[93, 89, 25], Operations: ['60-35=25'] Exploring Operation: 89+25=114, Resulting Numbers: [93, 114] Generated Node #0,1,0: 100:[93, 114] Operation: 89+25=114 Exploring Operation: 93-89=4, Resulting Numbers: [25, 4] Generated Node #0,1,1: 100:[25, 4] Operation: 93-89=4 Moving to Node #0,1,1 Current State: 100:[25, 4], Operations: ['60-35=25', '93-89=4'] Exploring Operation: 25*4=100, Resulting Numbers: [100] 100,100 equal: Goal Reached Moving to Node #0 Current State: 100:[93, 60, 89, 35], Operations: [] Exploring Operation: 60-35=25, Resulting Numbers: [93, 89, 25] Generated Node #0,1: 100:[93, 89, 25] Operation: 60-35=25 Moving to Node #0,1 Current State: 100:[93, 89, 25], Operations: ['60-35=25'] Exploring Operation: 93-89=4, Resulting Numbers: [25, 4] Generated Node #0,1,1: 100:[25, 4] Operation: 93-89=4 Moving to Node #0,1,1 Current State: 100:[25, 4], Operations: ['60-35=25', '93-89=4'] Exploring Operation: 25*4=100, Resulting Numbers: [100] 100,100 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
sum_heuristic
[ 22, 82, 98, 74 ]
41
[ "98-22=76", "76-74=2", "82/2=41" ]
Current State: 41:[22, 82, 98, 74], Operations: [] Exploring Operation: 98-22=76, Resulting Numbers: [82, 74, 76] Generated Node #2: [82, 74, 76] from Operation: 98-22=76 Current State: 41:[82, 74, 76], Operations: ['98-22=76'] Exploring Operation: 76-74=2, Resulting Numbers: [82, 2] Generated Node #3: [82, 2] from Operation: 76-74=2 Current State: 41:[82, 2], Operations: ['98-22=76', '76-74=2'] Exploring Operation: 82/2=41, Resulting Numbers: [41] 41,41 equal: Goal Reached
4
Current State: 41:[22, 82, 98, 74], Operations: [] Exploring Operation: 98-82=16, Resulting Numbers: [22, 74, 16] Generated Node #0,0: 41:[22, 74, 16] Operation: 98-82=16 Start Sub Search at level 1: Moving to Node #0,0 Current State: 41:[22, 74, 16], Operations: ['98-82=16'] Exploring Operation: 74-22=52, Resulting Numbers: [16, 52] Generated Node #0,0,0: 41:[16, 52] Operation: 74-22=52 Moving to Node #0,0,0 Current State: 41:[16, 52], Operations: ['98-82=16', '74-22=52'] Exploring Operation: 52-16=36, Resulting Numbers: [36] 36,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 8, 78, 18, 71 ]
74
[ "8+18=26", "78/26=3", "71+3=74" ]
Current State: 74:[8, 78, 18, 71], Operations: [] Exploring Operation: 8+18=26, Resulting Numbers: [78, 71, 26] Generated Node #2: [78, 71, 26] from Operation: 8+18=26 Current State: 74:[78, 71, 26], Operations: ['8+18=26'] Exploring Operation: 78/26=3, Resulting Numbers: [71, 3] Generated Node #3: [71, 3] from Operation: 78/26=3 Current State: 74:[71, 3], Operations: ['8+18=26', '78/26=3'] Exploring Operation: 71+3=74, Resulting Numbers: [74] 74,74 equal: Goal Reached
4
Current State: 74:[8, 78, 18, 71], Operations: [] Exploring Operation: 18-8=10, Resulting Numbers: [78, 71, 10] Generated Node #0,0: 74:[78, 71, 10] Operation: 18-8=10 Moving to Node #0,0 Current State: 74:[78, 71, 10], Operations: ['18-8=10'] Exploring Operation: 78-10=68, Resulting Numbers: [71, 68] Generated Node #0,0,0: 74:[71, 68] Operation: 78-10=68 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 74:[71, 68], Operations: ['18-8=10', '78-10=68'] Exploring Operation: 71-68=3, Resulting Numbers: [3] 3,74 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
[ 55, 82, 49, 27 ]
61
[ "55+82=137", "49+27=76", "137-76=61" ]
Current State: 61:[55, 82, 49, 27], Operations: [] Exploring Operation: 55+82=137, Resulting Numbers: [49, 27, 137] Generated Node #2: [49, 27, 137] from Operation: 55+82=137 Current State: 61:[49, 27, 137], Operations: ['55+82=137'] Exploring Operation: 49+27=76, Resulting Numbers: [137, 76] Generated Node #3: [137, 76] from Operation: 49+27=76 Current State: 61:[137, 76], Operations: ['55+82=137', '49+27=76'] Exploring Operation: 137-76=61, Resulting Numbers: [61] 61,61 equal: Goal Reached
4
Current State: 61:[55, 82, 49, 27], Operations: [] Exploring Operation: 82-27=55, Resulting Numbers: [55, 49, 55] Generated Node #0,0: 61:[55, 49, 55] Operation: 82-27=55 Exploring Operation: 49+27=76, Resulting Numbers: [55, 82, 76] Generated Node #0,1: 61:[55, 82, 76] Operation: 49+27=76 Exploring Operation: 55-27=28, Resulting Numbers: [82, 49, 28] Generated Node #0,2: 61:[82, 49, 28] Operation: 55-27=28 Exploring Operation: 55+27=82, Resulting Numbers: [82, 49, 82] Generated Node #0,3: 61:[82, 49, 82] Operation: 55+27=82 Start Sub Search at level 1: Moving to Node #0,0 Current State: 61:[55, 49, 55], Operations: ['82-27=55'] Exploring Operation: 49+55=104, Resulting Numbers: [55, 104] Generated Node #0,0,0: 61:[55, 104] Operation: 49+55=104 Exploring Operation: 55+55=110, Resulting Numbers: [49, 110] Generated Node #0,0,1: 61:[49, 110] Operation: 55+55=110 Exploring Operation: 55-49=6, Resulting Numbers: [55, 6] Generated Node #0,0,2: 61:[55, 6] Operation: 55-49=6 Exploring Operation: 55+49=104, Resulting Numbers: [55, 104] Generated Node #0,0,3: 61:[55, 104] Operation: 55+49=104 Moving to Node #0,0,0 Current State: 61:[55, 104], Operations: ['82-27=55', '49+55=104'] Exploring Operation: 104-55=49, Resulting Numbers: [49] 49,61 unequal: No Solution Exploring Operation: 55+104=159, Resulting Numbers: [159] 159,61 unequal: No Solution Exploring Operation: 55*104=5720, Resulting Numbers: [5720] 5720,61 unequal: No Solution Moving to Node #0,0,3 Current State: 61:[55, 104], Operations: ['82-27=55', '55+49=104'] Exploring Operation: 104-55=49, Resulting Numbers: [49] 49,61 unequal: No Solution Exploring Operation: 55+104=159, Resulting Numbers: [159] 159,61 unequal: No Solution Exploring Operation: 55*104=5720, Resulting Numbers: [5720] 5720,61 unequal: No Solution Moving to Node #0,0,2 Current State: 61:[55, 6], Operations: ['82-27=55', '55-49=6'] Exploring Operation: 55-6=49, Resulting Numbers: [49] 49,61 unequal: No Solution Exploring Operation: 55*6=330, Resulting Numbers: [330] 330,61 unequal: No Solution Exploring Operation: 55+6=61, Resulting Numbers: [61] 61,61 equal: Goal Reached Moving to Node #0 Current State: 61:[55, 82, 49, 27], Operations: [] Exploring Operation: 82-27=55, Resulting Numbers: [55, 49, 55] Generated Node #0,0: 61:[55, 49, 55] Operation: 82-27=55 Moving to Node #0,0 Current State: 61:[55, 49, 55], Operations: ['82-27=55'] Exploring Operation: 55-49=6, Resulting Numbers: [55, 6] Generated Node #0,0,2: 61:[55, 6] Operation: 55-49=6 Moving to Node #0,0,2 Current State: 61:[55, 6], Operations: ['82-27=55', '55-49=6'] Exploring Operation: 55+6=61, Resulting Numbers: [61] 61,61 equal: Goal Reached Exit Sub Search at level 1
0.981771
hs_4
mult_heuristic
[ 9, 26, 7, 7 ]
86
[ "9+7=16", "7*16=112", "112-26=86" ]
Current State: 86:[9, 26, 7, 7], Operations: [] Exploring Operation: 9+7=16, Resulting Numbers: [26, 16] Generated Node #2: [26, 16] from Operation: 9+7=16 Current State: 86:[26, 16], Operations: ['9+7=16'] Exploring Operation: 7*16=112, Resulting Numbers: [26, 112] Generated Node #3: [26, 112] from Operation: 7*16=112 Current State: 86:[26, 112], Operations: ['9+7=16', '7*16=112'] Exploring Operation: 112-26=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
4
Current State: 86:[9, 26, 7, 7], Operations: [] Exploring Operation: 9-7=2, Resulting Numbers: [26, 7, 2] Generated Node #0,0: 86:[26, 7, 2] Operation: 9-7=2 Exploring Operation: 26+7=33, Resulting Numbers: [9, 7, 33] Generated Node #0,1: 86:[9, 7, 33] Operation: 26+7=33 Exploring Operation: 26+7=33, Resulting Numbers: [9, 7, 33] Generated Node #0,2: 86:[9, 7, 33] Operation: 26+7=33 Exploring Operation: 9+26=35, Resulting Numbers: [7, 7, 35] Generated Node #0,3: 86:[7, 7, 35] Operation: 9+26=35 Exploring Operation: 9-7=2, Resulting Numbers: [26, 7, 2] Generated Node #0,4: 86:[26, 7, 2] Operation: 9-7=2 Start Sub Search at level 1: Moving to Node #0,3 Current State: 86:[7, 7, 35], Operations: ['9+26=35'] Exploring Operation: 35/7=5, Resulting Numbers: [7, 5] Generated Node #0,3,0: 86:[7, 5] Operation: 35/7=5 Exploring Operation: 7+35=42, Resulting Numbers: [7, 42] Generated Node #0,3,1: 86:[7, 42] Operation: 7+35=42 Exploring Operation: 35/7=5, Resulting Numbers: [7, 5] Generated Node #0,3,2: 86:[7, 5] Operation: 35/7=5 Exploring Operation: 7/7=1, Resulting Numbers: [35, 1] Generated Node #0,3,3: 86:[35, 1] Operation: 7/7=1 Exploring Operation: 7+35=42, Resulting Numbers: [7, 42] Generated Node #0,3,4: 86:[7, 42] Operation: 7+35=42 Moving to Node #0,3,1 Current State: 86:[7, 42], Operations: ['9+26=35', '7+35=42'] Exploring Operation: 7*42=294, Resulting Numbers: [294] 294,86 unequal: No Solution Exploring Operation: 7+42=49, Resulting Numbers: [49] 49,86 unequal: No Solution Exploring Operation: 42/7=6, Resulting Numbers: [6] 6,86 unequal: No Solution Exploring Operation: 42-7=35, Resulting Numbers: [35] 35,86 unequal: No Solution Moving to Node #0,3,4 Current State: 86:[7, 42], Operations: ['9+26=35', '7+35=42'] Exploring Operation: 7+42=49, Resulting Numbers: [49] 49,86 unequal: No Solution Exploring Operation: 7*42=294, Resulting Numbers: [294] 294,86 unequal: No Solution Exploring Operation: 42-7=35, Resulting Numbers: [35] 35,86 unequal: No Solution Exploring Operation: 42/7=6, Resulting Numbers: [6] 6,86 unequal: No Solution Moving to Node #0,3,0 Current State: 86:[7, 5], Operations: ['9+26=35', '35/7=5'] Exploring Operation: 7-5=2, Resulting Numbers: [2] 2,86 unequal: No Solution Exploring Operation: 7*5=35, Resulting Numbers: [35] 35,86 unequal: No Solution Exploring Operation: 7+5=12, Resulting Numbers: [12] 12,86 unequal: No Solution Moving to Node #0,3,2 Current State: 86:[7, 5], Operations: ['9+26=35', '35/7=5'] Exploring Operation: 7-5=2, Resulting Numbers: [2] 2,86 unequal: No Solution Exploring Operation: 7+5=12, Resulting Numbers: [12] 12,86 unequal: No Solution Exploring Operation: 7*5=35, Resulting Numbers: [35] 35,86 unequal: No Solution Moving to Node #0,3,3 Current State: 86:[35, 1], Operations: ['9+26=35', '7/7=1'] Exploring Operation: 35-1=34, Resulting Numbers: [34] 34,86 unequal: No Solution Exploring Operation: 35/1=35, Resulting Numbers: [35] 35,86 unequal: No Solution Exploring Operation: 35+1=36, Resulting Numbers: [36] 36,86 unequal: No Solution Exploring Operation: 35*1=35, Resulting Numbers: [35] 35,86 unequal: No Solution No 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: 86:[26, 7, 2], Operations: ['9-7=2'] Exploring Operation: 26*2=52, Resulting Numbers: [7, 52] Generated Node #0,0,0: 86:[7, 52] Operation: 26*2=52 Exploring Operation: 26-7=19, Resulting Numbers: [2, 19] Generated Node #0,0,1: 86:[2, 19] Operation: 26-7=19 Exploring Operation: 26+7=33, Resulting Numbers: [2, 33] Generated Node #0,0,2: 86:[2, 33] Operation: 26+7=33 Exploring Operation: 26+2=28, Resulting Numbers: [7, 28] Generated Node #0,0,3: 86:[7, 28] Operation: 26+2=28 Exploring Operation: 26/2=13, Resulting Numbers: [7, 13] Generated Node #0,0,4: 86:[7, 13] Operation: 26/2=13 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 86:[2, 33], Operations: ['9-7=2', '26+7=33'] Exploring Operation: 33-2=31, Resulting Numbers: [31] 31,86 unequal: No Solution Exploring Operation: 2+33=35, Resulting Numbers: [35] 35,86 unequal: No Solution Exploring Operation: 2*33=66, Resulting Numbers: [66] 66,86 unequal: No Solution No 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: 86:[7, 52], Operations: ['9-7=2', '26*2=52'] Exploring Operation: 7+52=59, Resulting Numbers: [59] 59,86 unequal: No Solution Exploring Operation: 7*52=364, Resulting Numbers: [364] 364,86 unequal: No Solution Exploring Operation: 52-7=45, Resulting Numbers: [45] 45,86 unequal: No Solution No 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: 86:[7, 13], Operations: ['9-7=2', '26/2=13'] Exploring Operation: 13-7=6, Resulting Numbers: [6] 6,86 unequal: No Solution Exploring Operation: 7+13=20, Resulting Numbers: [20] 20,86 unequal: No Solution Exploring Operation: 7*13=91, Resulting Numbers: [91] 91,86 unequal: No Solution No 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: 86:[2, 19], Operations: ['9-7=2', '26-7=19'] Exploring Operation: 19-2=17, Resulting Numbers: [17] 17,86 unequal: No Solution Exploring Operation: 2+19=21, Resulting Numbers: [21] 21,86 unequal: No Solution Exploring Operation: 2*19=38, Resulting Numbers: [38] 38,86 unequal: No Solution No 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: 86:[7, 28], Operations: ['9-7=2', '26+2=28'] Exploring Operation: 7+28=35, Resulting Numbers: [35] 35,86 unequal: No Solution Exploring Operation: 7*28=196, Resulting Numbers: [196] 196,86 unequal: No Solution Exploring Operation: 28-7=21, Resulting Numbers: [21] 21,86 unequal: No Solution Exploring Operation: 28/7=4, Resulting Numbers: [4] 4,86 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 86:[9, 7, 33], Operations: ['26+7=33'] Exploring Operation: 9+7=16, Resulting Numbers: [33, 16] Generated Node #0,1,0: 86:[33, 16] Operation: 9+7=16 Exploring Operation: 9+33=42, Resulting Numbers: [7, 42] Generated Node #0,1,1: 86:[7, 42] Operation: 9+33=42 Exploring Operation: 9-7=2, Resulting Numbers: [33, 2] Generated Node #0,1,2: 86:[33, 2] Operation: 9-7=2 Exploring Operation: 7+33=40, Resulting Numbers: [9, 40] Generated Node #0,1,3: 86:[9, 40] Operation: 7+33=40 Exploring Operation: 33-9=24, Resulting Numbers: [7, 24] Generated Node #0,1,4: 86:[7, 24] Operation: 33-9=24 Moving to Node #0,1,1 Current State: 86:[7, 42], Operations: ['26+7=33', '9+33=42'] Exploring Operation: 42-7=35, Resulting Numbers: [35] 35,86 unequal: No Solution Exploring Operation: 7*42=294, Resulting Numbers: [294] 294,86 unequal: No Solution Exploring Operation: 42/7=6, Resulting Numbers: [6] 6,86 unequal: No Solution Exploring Operation: 7+42=49, Resulting Numbers: [49] 49,86 unequal: No Solution Moving to Node #0,1,3 Current State: 86:[9, 40], Operations: ['26+7=33', '7+33=40'] Exploring Operation: 9+40=49, Resulting Numbers: [49] 49,86 unequal: No Solution Exploring Operation: 40-9=31, Resulting Numbers: [31] 31,86 unequal: No Solution Exploring Operation: 9*40=360, Resulting Numbers: [360] 360,86 unequal: No Solution Moving to Node #0,1,2 Current State: 86:[33, 2], Operations: ['26+7=33', '9-7=2'] Exploring Operation: 33-2=31, Resulting Numbers: [31] 31,86 unequal: No Solution Exploring Operation: 33*2=66, Resulting Numbers: [66] 66,86 unequal: No Solution Exploring Operation: 33+2=35, Resulting Numbers: [35] 35,86 unequal: No Solution Moving to Node #0,1,0 Current State: 86:[33, 16], Operations: ['26+7=33', '9+7=16'] Exploring Operation: 33*16=528, Resulting Numbers: [528] 528,86 unequal: No Solution Exploring Operation: 33-16=17, Resulting Numbers: [17] 17,86 unequal: No Solution Exploring Operation: 33+16=49, Resulting Numbers: [49] 49,86 unequal: No Solution Moving to Node #0,1,4 Current State: 86:[7, 24], Operations: ['26+7=33', '33-9=24'] Exploring Operation: 7*24=168, Resulting Numbers: [168] 168,86 unequal: No Solution Exploring Operation: 24-7=17, Resulting Numbers: [17] 17,86 unequal: No Solution Exploring Operation: 7+24=31, Resulting Numbers: [31] 31,86 unequal: No Solution No 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: 86:[9, 7, 33], Operations: ['26+7=33'] Exploring Operation: 7+33=40, Resulting Numbers: [9, 40] Generated Node #0,2,0: 86:[9, 40] Operation: 7+33=40 Exploring Operation: 9+7=16, Resulting Numbers: [33, 16] Generated Node #0,2,1: 86:[33, 16] Operation: 9+7=16 Exploring Operation: 9+33=42, Resulting Numbers: [7, 42] Generated Node #0,2,2: 86:[7, 42] Operation: 9+33=42 Exploring Operation: 33-9=24, Resulting Numbers: [7, 24] Generated Node #0,2,3: 86:[7, 24] Operation: 33-9=24 Exploring Operation: 9-7=2, Resulting Numbers: [33, 2] Generated Node #0,2,4: 86:[33, 2] Operation: 9-7=2 Moving to Node #0,2,2 Current State: 86:[7, 42], Operations: ['26+7=33', '9+33=42'] Exploring Operation: 42/7=6, Resulting Numbers: [6] 6,86 unequal: No Solution Exploring Operation: 7+42=49, Resulting Numbers: [49] 49,86 unequal: No Solution Exploring Operation: 7*42=294, Resulting Numbers: [294] 294,86 unequal: No Solution Exploring Operation: 42-7=35, Resulting Numbers: [35] 35,86 unequal: No Solution Moving to Node #0,2,4 Current State: 86:[33, 2], Operations: ['26+7=33', '9-7=2'] Exploring Operation: 33-2=31, Resulting Numbers: [31] 31,86 unequal: No Solution Exploring Operation: 33*2=66, Resulting Numbers: [66] 66,86 unequal: No Solution Exploring Operation: 33+2=35, Resulting Numbers: [35] 35,86 unequal: No Solution Moving to Node #0,2,0 Current State: 86:[9, 40], Operations: ['26+7=33', '7+33=40'] Exploring Operation: 9+40=49, Resulting Numbers: [49] 49,86 unequal: No Solution Exploring Operation: 40-9=31, Resulting Numbers: [31] 31,86 unequal: No Solution Exploring Operation: 9*40=360, Resulting Numbers: [360] 360,86 unequal: No Solution Moving to Node #0,2,1 Current State: 86:[33, 16], Operations: ['26+7=33', '9+7=16'] Exploring Operation: 33-16=17, Resulting Numbers: [17] 17,86 unequal: No Solution Exploring Operation: 33+16=49, Resulting Numbers: [49] 49,86 unequal: No Solution Exploring Operation: 33*16=528, Resulting Numbers: [528] 528,86 unequal: No Solution Moving to Node #0,2,3 Current State: 86:[7, 24], Operations: ['26+7=33', '33-9=24'] Exploring Operation: 24-7=17, Resulting Numbers: [17] 17,86 unequal: No Solution Exploring Operation: 7*24=168, Resulting Numbers: [168] 168,86 unequal: No Solution Exploring Operation: 7+24=31, Resulting Numbers: [31] 31,86 unequal: No Solution No 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: 86:[26, 7, 2], Operations: ['9-7=2'] Exploring Operation: 26-7=19, Resulting Numbers: [2, 19] Generated Node #0,4,0: 86:[2, 19] Operation: 26-7=19 Exploring Operation: 26/2=13, Resulting Numbers: [7, 13] Generated Node #0,4,1: 86:[7, 13] Operation: 26/2=13 Exploring Operation: 26+2=28, Resulting Numbers: [7, 28] Generated Node #0,4,2: 86:[7, 28] Operation: 26+2=28 Exploring Operation: 26*2=52, Resulting Numbers: [7, 52] Generated Node #0,4,3: 86:[7, 52] Operation: 26*2=52 Exploring Operation: 26+7=33, Resulting Numbers: [2, 33] Generated Node #0,4,4: 86:[2, 33] Operation: 26+7=33 Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 86:[2, 33], Operations: ['9-7=2', '26+7=33'] Exploring Operation: 2*33=66, Resulting Numbers: [66] 66,86 unequal: No Solution Exploring Operation: 2+33=35, Resulting Numbers: [35] 35,86 unequal: No Solution Exploring Operation: 33-2=31, Resulting Numbers: [31] 31,86 unequal: No Solution No 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: 86:[7, 52], Operations: ['9-7=2', '26*2=52'] Exploring Operation: 52-7=45, Resulting Numbers: [45] 45,86 unequal: No Solution Exploring Operation: 7*52=364, Resulting Numbers: [364] 364,86 unequal: No Solution Exploring Operation: 7+52=59, Resulting Numbers: [59] 59,86 unequal: No Solution No 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: 86:[7, 13], Operations: ['9-7=2', '26/2=13'] Exploring Operation: 7*13=91, Resulting Numbers: [91] 91,86 unequal: No Solution Exploring Operation: 13-7=6, Resulting Numbers: [6] 6,86 unequal: No Solution Exploring Operation: 7+13=20, Resulting Numbers: [20] 20,86 unequal: No Solution No 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: 86:[2, 19], Operations: ['9-7=2', '26-7=19'] Exploring Operation: 19-2=17, Resulting Numbers: [17] 17,86 unequal: No Solution Exploring Operation: 2*19=38, Resulting Numbers: [38] 38,86 unequal: No Solution Exploring Operation: 2+19=21, Resulting Numbers: [21] 21,86 unequal: No Solution No 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: 86:[7, 28], Operations: ['9-7=2', '26+2=28'] Exploring Operation: 7+28=35, Resulting Numbers: [35] 35,86 unequal: No Solution Exploring Operation: 28/7=4, Resulting Numbers: [4] 4,86 unequal: No Solution Exploring Operation: 7*28=196, Resulting Numbers: [196] 196,86 unequal: No Solution Exploring Operation: 28-7=21, Resulting Numbers: [21] 21,86 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
mult_heuristic
[ 23, 21, 75, 61 ]
68
[ "23-21=2", "75+61=136", "136/2=68" ]
Current State: 68:[23, 21, 75, 61], Operations: [] Exploring Operation: 23-21=2, Resulting Numbers: [75, 61, 2] Generated Node #2: [75, 61, 2] from Operation: 23-21=2 Current State: 68:[75, 61, 2], Operations: ['23-21=2'] Exploring Operation: 75+61=136, Resulting Numbers: [2, 136] Generated Node #3: [2, 136] from Operation: 75+61=136 Current State: 68:[2, 136], Operations: ['23-21=2', '75+61=136'] Exploring Operation: 136/2=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
4
Current State: 68:[23, 21, 75, 61], Operations: [] Exploring Operation: 75-61=14, Resulting Numbers: [23, 21, 14] Generated Node #0,0: 68:[23, 21, 14] Operation: 75-61=14 Exploring Operation: 61-23=38, Resulting Numbers: [21, 75, 38] Generated Node #0,1: 68:[21, 75, 38] Operation: 61-23=38 Exploring Operation: 23-21=2, Resulting Numbers: [75, 61, 2] Generated Node #0,2: 68:[75, 61, 2] Operation: 23-21=2 Moving to Node #0,0 Current State: 68:[23, 21, 14], Operations: ['75-61=14'] Exploring Operation: 23+14=37, Resulting Numbers: [21, 37] Generated Node #0,0,0: 68:[21, 37] Operation: 23+14=37 Exploring Operation: 21+14=35, Resulting Numbers: [23, 35] Generated Node #0,0,1: 68:[23, 35] Operation: 21+14=35 Exploring Operation: 23-21=2, Resulting Numbers: [14, 2] Generated Node #0,0,2: 68:[14, 2] Operation: 23-21=2 Moving to Node #0,2 Current State: 68:[75, 61, 2], Operations: ['23-21=2'] Exploring Operation: 75-2=73, Resulting Numbers: [61, 73] Generated Node #0,2,0: 68:[61, 73] Operation: 75-2=73 Exploring Operation: 75-61=14, Resulting Numbers: [2, 14] Generated Node #0,2,1: 68:[2, 14] Operation: 75-61=14 Exploring Operation: 61+2=63, Resulting Numbers: [75, 63] Generated Node #0,2,2: 68:[75, 63] Operation: 61+2=63 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 68:[2, 14], Operations: ['23-21=2', '75-61=14'] Exploring Operation: 14/2=7, Resulting Numbers: [7] 7,68 unequal: No Solution Exploring Operation: 2+14=16, Resulting Numbers: [16] 16,68 unequal: No Solution Exploring Operation: 14-2=12, Resulting Numbers: [12] 12,68 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 68:[61, 73], Operations: ['23-21=2', '75-2=73'] Exploring Operation: 61*73=4453, Resulting Numbers: [4453] 4453,68 unequal: No Solution Exploring Operation: 73-61=12, Resulting Numbers: [12] 12,68 unequal: No Solution Exploring Operation: 61+73=134, Resulting Numbers: [134] 134,68 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 68:[75, 63], Operations: ['23-21=2', '61+2=63'] Exploring Operation: 75+63=138, Resulting Numbers: [138] 138,68 unequal: No Solution Exploring Operation: 75*63=4725, Resulting Numbers: [4725] 4725,68 unequal: No Solution Exploring Operation: 75-63=12, Resulting Numbers: [12] 12,68 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 68:[21, 75, 38], Operations: ['61-23=38'] Exploring Operation: 21+38=59, Resulting Numbers: [75, 59] Generated Node #0,1,0: 68:[75, 59] Operation: 21+38=59 Exploring Operation: 75-38=37, Resulting Numbers: [21, 37] Generated Node #0,1,1: 68:[21, 37] Operation: 75-38=37 Exploring Operation: 38-21=17, Resulting Numbers: [75, 17] Generated Node #0,1,2: 68:[75, 17] Operation: 38-21=17 Moving to Node #0,0,2 Current State: 68:[14, 2], Operations: ['75-61=14', '23-21=2'] Exploring Operation: 14-2=12, Resulting Numbers: [12] 12,68 unequal: No Solution Exploring Operation: 14+2=16, Resulting Numbers: [16] 16,68 unequal: No Solution Exploring Operation: 14/2=7, Resulting Numbers: [7] 7,68 unequal: No Solution Moving to Node #0,0,1 Current State: 68:[23, 35], Operations: ['75-61=14', '21+14=35'] Exploring Operation: 35-23=12, Resulting Numbers: [12] 12,68 unequal: No Solution Exploring Operation: 23+35=58, Resulting Numbers: [58] 58,68 unequal: No Solution Exploring Operation: 23*35=805, Resulting Numbers: [805] 805,68 unequal: No Solution Moving to Node #0,0,0 Current State: 68:[21, 37], Operations: ['75-61=14', '23+14=37'] Exploring Operation: 21*37=777, Resulting Numbers: [777] 777,68 unequal: No Solution Exploring Operation: 37-21=16, Resulting Numbers: [16] 16,68 unequal: No Solution Exploring Operation: 21+37=58, Resulting Numbers: [58] 58,68 unequal: No Solution Moving to Node #0,1,1 Current State: 68:[21, 37], Operations: ['61-23=38', '75-38=37'] Exploring Operation: 37-21=16, Resulting Numbers: [16] 16,68 unequal: No Solution Exploring Operation: 21*37=777, Resulting Numbers: [777] 777,68 unequal: No Solution Exploring Operation: 21+37=58, Resulting Numbers: [58] 58,68 unequal: No Solution Moving to Node #0,1,2 Current State: 68:[75, 17], Operations: ['61-23=38', '38-21=17'] Exploring Operation: 75-17=58, Resulting Numbers: [58] 58,68 unequal: No Solution Exploring Operation: 75*17=1275, Resulting Numbers: [1275] 1275,68 unequal: No Solution Exploring Operation: 75+17=92, Resulting Numbers: [92] 92,68 unequal: No Solution Moving to Node #0,1,0 Current State: 68:[75, 59], Operations: ['61-23=38', '21+38=59'] Exploring Operation: 75-59=16, Resulting Numbers: [16] 16,68 unequal: No Solution Exploring Operation: 75+59=134, Resulting Numbers: [134] 134,68 unequal: No Solution Exploring Operation: 75*59=4425, Resulting Numbers: [4425] 4425,68 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 49, 78, 35, 33 ]
39
[ "78-49=29", "35+33=68", "68-29=39" ]
Current State: 39:[49, 78, 35, 33], Operations: [] Exploring Operation: 78-49=29, Resulting Numbers: [35, 33, 29] Generated Node #2: [35, 33, 29] from Operation: 78-49=29 Current State: 39:[35, 33, 29], Operations: ['78-49=29'] Exploring Operation: 35+33=68, Resulting Numbers: [29, 68] Generated Node #3: [29, 68] from Operation: 35+33=68 Current State: 39:[29, 68], Operations: ['78-49=29', '35+33=68'] Exploring Operation: 68-29=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
4
Current State: 39:[49, 78, 35, 33], Operations: [] Exploring Operation: 78-33=45, Resulting Numbers: [49, 35, 45] Generated Node #0,0: 39:[49, 35, 45] Operation: 78-33=45 Exploring Operation: 78-35=43, Resulting Numbers: [49, 33, 43] Generated Node #0,1: 39:[49, 33, 43] Operation: 78-35=43 Exploring Operation: 78-49=29, Resulting Numbers: [35, 33, 29] Generated Node #0,2: 39:[35, 33, 29] Operation: 78-49=29 Moving to Node #0,0 Current State: 39:[49, 35, 45], Operations: ['78-33=45'] Exploring Operation: 49-45=4, Resulting Numbers: [35, 4] Generated Node #0,0,0: 39:[35, 4] Operation: 49-45=4 Exploring Operation: 45-35=10, Resulting Numbers: [49, 10] Generated Node #0,0,1: 39:[49, 10] Operation: 45-35=10 Exploring Operation: 49-35=14, Resulting Numbers: [45, 14] Generated Node #0,0,2: 39:[45, 14] Operation: 49-35=14 Moving to Node #0,1 Current State: 39:[49, 33, 43], Operations: ['78-35=43'] Exploring Operation: 43-33=10, Resulting Numbers: [49, 10] Generated Node #0,1,0: 39:[49, 10] Operation: 43-33=10 Exploring Operation: 49-43=6, Resulting Numbers: [33, 6] Generated Node #0,1,1: 39:[33, 6] Operation: 49-43=6 Exploring Operation: 49-33=16, Resulting Numbers: [43, 16] Generated Node #0,1,2: 39:[43, 16] Operation: 49-33=16 Moving to Node #0,2 Current State: 39:[35, 33, 29], Operations: ['78-49=29'] Exploring Operation: 35-33=2, Resulting Numbers: [29, 2] Generated Node #0,2,0: 39:[29, 2] Operation: 35-33=2 Exploring Operation: 35-29=6, Resulting Numbers: [33, 6] Generated Node #0,2,1: 39:[33, 6] Operation: 35-29=6 Exploring Operation: 33-29=4, Resulting Numbers: [35, 4] Generated Node #0,2,2: 39:[35, 4] Operation: 33-29=4 Moving to Node #0,0,0 Current State: 39:[35, 4], Operations: ['78-33=45', '49-45=4'] Exploring Operation: 35+4=39, Resulting Numbers: [39] 39,39 equal: Goal Reached Moving to Node #0 Current State: 39:[49, 78, 35, 33], Operations: [] Exploring Operation: 78-33=45, Resulting Numbers: [49, 35, 45] Generated Node #0,0: 39:[49, 35, 45] Operation: 78-33=45 Moving to Node #0,0 Current State: 39:[49, 35, 45], Operations: ['78-33=45'] Exploring Operation: 49-45=4, Resulting Numbers: [35, 4] Generated Node #0,0,0: 39:[35, 4] Operation: 49-45=4 Moving to Node #0,0,0 Current State: 39:[35, 4], Operations: ['78-33=45', '49-45=4'] Exploring Operation: 35+4=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
0.985243
hs_3
sum_heuristic
[ 16, 27, 21, 56 ]
12
[ "16+56=72", "27-21=6", "72/6=12" ]
Current State: 12:[16, 27, 21, 56], Operations: [] Exploring Operation: 16+56=72, Resulting Numbers: [27, 21, 72] Generated Node #2: [27, 21, 72] from Operation: 16+56=72 Current State: 12:[27, 21, 72], Operations: ['16+56=72'] Exploring Operation: 27-21=6, Resulting Numbers: [72, 6] Generated Node #3: [72, 6] from Operation: 27-21=6 Current State: 12:[72, 6], Operations: ['16+56=72', '27-21=6'] Exploring Operation: 72/6=12, Resulting Numbers: [12] 12,12 equal: Goal Reached
4
Current State: 12:[16, 27, 21, 56], Operations: [] Exploring Operation: 56-27=29, Resulting Numbers: [16, 21, 29] Generated Node #0,0: 12:[16, 21, 29] Operation: 56-27=29 Exploring Operation: 56-16=40, Resulting Numbers: [27, 21, 40] Generated Node #0,1: 12:[27, 21, 40] Operation: 56-16=40 Exploring Operation: 27-21=6, Resulting Numbers: [16, 56, 6] Generated Node #0,2: 12:[16, 56, 6] Operation: 27-21=6 Exploring Operation: 56-21=35, Resulting Numbers: [16, 27, 35] Generated Node #0,3: 12:[16, 27, 35] Operation: 56-21=35 Start Sub Search at level 1: Moving to Node #0,0 Current State: 12:[16, 21, 29], Operations: ['56-27=29'] Exploring Operation: 29-21=8, Resulting Numbers: [16, 8] Generated Node #0,0,0: 12:[16, 8] Operation: 29-21=8 Exploring Operation: 21-16=5, Resulting Numbers: [29, 5] Generated Node #0,0,1: 12:[29, 5] Operation: 21-16=5 Exploring Operation: 16+21=37, Resulting Numbers: [29, 37] Generated Node #0,0,2: 12:[29, 37] Operation: 16+21=37 Exploring Operation: 29-16=13, Resulting Numbers: [21, 13] Generated Node #0,0,3: 12:[21, 13] Operation: 29-16=13 Moving to Node #0,0,0 Current State: 12:[16, 8], Operations: ['56-27=29', '29-21=8'] Exploring Operation: 16+8=24, Resulting Numbers: [24] 24,12 unequal: No Solution Exploring Operation: 16-8=8, Resulting Numbers: [8] 8,12 unequal: No Solution Exploring Operation: 16*8=128, Resulting Numbers: [128] 128,12 unequal: No Solution Exploring Operation: 16/8=2, Resulting Numbers: [2] 2,12 unequal: No Solution Moving to Node #0,0,3 Current State: 12:[21, 13], Operations: ['56-27=29', '29-16=13'] Exploring Operation: 21-13=8, Resulting Numbers: [8] 8,12 unequal: No Solution Exploring Operation: 21*13=273, Resulting Numbers: [273] 273,12 unequal: No Solution Exploring Operation: 21+13=34, Resulting Numbers: [34] 34,12 unequal: No Solution Moving to Node #0,0,1 Current State: 12:[29, 5], Operations: ['56-27=29', '21-16=5'] Exploring Operation: 29*5=145, Resulting Numbers: [145] 145,12 unequal: No Solution Exploring Operation: 29+5=34, Resulting Numbers: [34] 34,12 unequal: No Solution Exploring Operation: 29-5=24, Resulting Numbers: [24] 24,12 unequal: No Solution Moving to Node #0,0,2 Current State: 12:[29, 37], Operations: ['56-27=29', '16+21=37'] Exploring Operation: 37-29=8, Resulting Numbers: [8] 8,12 unequal: No Solution Exploring Operation: 29+37=66, Resulting Numbers: [66] 66,12 unequal: No Solution Exploring Operation: 29*37=1073, Resulting Numbers: [1073] 1073,12 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 #0,3 Current State: 12:[16, 27, 35], Operations: ['56-21=35'] Exploring Operation: 16+27=43, Resulting Numbers: [35, 43] Generated Node #0,3,0: 12:[35, 43] Operation: 16+27=43 Exploring Operation: 35-27=8, Resulting Numbers: [16, 8] Generated Node #0,3,1: 12:[16, 8] Operation: 35-27=8 Exploring Operation: 35-16=19, Resulting Numbers: [27, 19] Generated Node #0,3,2: 12:[27, 19] Operation: 35-16=19 Exploring Operation: 27-16=11, Resulting Numbers: [35, 11] Generated Node #0,3,3: 12:[35, 11] Operation: 27-16=11 Moving to Node #0,3,1 Current State: 12:[16, 8], Operations: ['56-21=35', '35-27=8'] Exploring Operation: 16*8=128, Resulting Numbers: [128] 128,12 unequal: No Solution Exploring Operation: 16+8=24, Resulting Numbers: [24] 24,12 unequal: No Solution Exploring Operation: 16/8=2, Resulting Numbers: [2] 2,12 unequal: No Solution Exploring Operation: 16-8=8, Resulting Numbers: [8] 8,12 unequal: No Solution Moving to Node #0,3,2 Current State: 12:[27, 19], Operations: ['56-21=35', '35-16=19'] Exploring Operation: 27*19=513, Resulting Numbers: [513] 513,12 unequal: No Solution Exploring Operation: 27-19=8, Resulting Numbers: [8] 8,12 unequal: No Solution Exploring Operation: 27+19=46, Resulting Numbers: [46] 46,12 unequal: No Solution Moving to Node #0,3,3 Current State: 12:[35, 11], Operations: ['56-21=35', '27-16=11'] Exploring Operation: 35*11=385, Resulting Numbers: [385] 385,12 unequal: No Solution Exploring Operation: 35-11=24, Resulting Numbers: [24] 24,12 unequal: No Solution Exploring Operation: 35+11=46, Resulting Numbers: [46] 46,12 unequal: No Solution Moving to Node #0,3,0 Current State: 12:[35, 43], Operations: ['56-21=35', '16+27=43'] Exploring Operation: 35*43=1505, Resulting Numbers: [1505] 1505,12 unequal: No Solution Exploring Operation: 35+43=78, Resulting Numbers: [78] 78,12 unequal: No Solution Exploring Operation: 43-35=8, Resulting Numbers: [8] 8,12 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 12:[16, 56, 6], Operations: ['27-21=6'] Exploring Operation: 16+6=22, Resulting Numbers: [56, 22] Generated Node #0,2,0: 12:[56, 22] Operation: 16+6=22 Exploring Operation: 56-16=40, Resulting Numbers: [6, 40] Generated Node #0,2,1: 12:[6, 40] Operation: 56-16=40 Exploring Operation: 16-6=10, Resulting Numbers: [56, 10] Generated Node #0,2,2: 12:[56, 10] Operation: 16-6=10 Exploring Operation: 56-6=50, Resulting Numbers: [16, 50] Generated Node #0,2,3: 12:[16, 50] Operation: 56-6=50 Moving to Node #0,2,1 Current State: 12:[6, 40], Operations: ['27-21=6', '56-16=40'] Exploring Operation: 40-6=34, Resulting Numbers: [34] 34,12 unequal: No Solution Exploring Operation: 6*40=240, Resulting Numbers: [240] 240,12 unequal: No Solution Exploring Operation: 6+40=46, Resulting Numbers: [46] 46,12 unequal: No Solution Moving to Node #0,2,3 Current State: 12:[16, 50], Operations: ['27-21=6', '56-6=50'] Exploring Operation: 16+50=66, Resulting Numbers: [66] 66,12 unequal: No Solution Exploring Operation: 16*50=800, Resulting Numbers: [800] 800,12 unequal: No Solution Exploring Operation: 50-16=34, Resulting Numbers: [34] 34,12 unequal: No Solution Moving to Node #0,2,2 Current State: 12:[56, 10], Operations: ['27-21=6', '16-6=10'] Exploring Operation: 56-10=46, Resulting Numbers: [46] 46,12 unequal: No Solution Exploring Operation: 56+10=66, Resulting Numbers: [66] 66,12 unequal: No Solution Exploring Operation: 56*10=560, Resulting Numbers: [560] 560,12 unequal: No Solution Moving to Node #0,2,0 Current State: 12:[56, 22], Operations: ['27-21=6', '16+6=22'] Exploring Operation: 56-22=34, Resulting Numbers: [34] 34,12 unequal: No Solution Exploring Operation: 56*22=1232, Resulting Numbers: [1232] 1232,12 unequal: No Solution Exploring Operation: 56+22=78, Resulting Numbers: [78] 78,12 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 Current State: 12:[27, 21, 40], Operations: ['56-16=40'] Exploring Operation: 40-21=19, Resulting Numbers: [27, 19] Generated Node #0,1,0: 12:[27, 19] Operation: 40-21=19 Exploring Operation: 27+21=48, Resulting Numbers: [40, 48] Generated Node #0,1,1: 12:[40, 48] Operation: 27+21=48 Exploring Operation: 27-21=6, Resulting Numbers: [40, 6] Generated Node #0,1,2: 12:[40, 6] Operation: 27-21=6 Exploring Operation: 40-27=13, Resulting Numbers: [21, 13] Generated Node #0,1,3: 12:[21, 13] Operation: 40-27=13 Moving to Node #0,1,3 Current State: 12:[21, 13], Operations: ['56-16=40', '40-27=13'] Exploring Operation: 21*13=273, Resulting Numbers: [273] 273,12 unequal: No Solution Exploring Operation: 21-13=8, Resulting Numbers: [8] 8,12 unequal: No Solution Exploring Operation: 21+13=34, Resulting Numbers: [34] 34,12 unequal: No Solution Moving to Node #0,1,0 Current State: 12:[27, 19], Operations: ['56-16=40', '40-21=19'] Exploring Operation: 27-19=8, Resulting Numbers: [8] 8,12 unequal: No Solution Exploring Operation: 27+19=46, Resulting Numbers: [46] 46,12 unequal: No Solution Exploring Operation: 27*19=513, Resulting Numbers: [513] 513,12 unequal: No Solution Moving to Node #0,1,2 Current State: 12:[40, 6], Operations: ['56-16=40', '27-21=6'] Exploring Operation: 40*6=240, Resulting Numbers: [240] 240,12 unequal: No Solution Exploring Operation: 40-6=34, Resulting Numbers: [34] 34,12 unequal: No Solution Exploring Operation: 40+6=46, Resulting Numbers: [46] 46,12 unequal: No Solution Moving to Node #0,1,1 Current State: 12:[40, 48], Operations: ['56-16=40', '27+21=48'] Exploring Operation: 40+48=88, Resulting Numbers: [88] 88,12 unequal: No Solution Exploring Operation: 48-40=8, Resulting Numbers: [8] 8,12 unequal: No Solution Exploring Operation: 40*48=1920, Resulting Numbers: [1920] 1920,12 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
[ 91, 86, 13, 43 ]
35
[ "91-86=5", "43-13=30", "5+30=35" ]
Current State: 35:[91, 86, 13, 43], Operations: [] Exploring Operation: 91-86=5, Resulting Numbers: [13, 43, 5] Generated Node #2: [13, 43, 5] from Operation: 91-86=5 Current State: 35:[13, 43, 5], Operations: ['91-86=5'] Exploring Operation: 43-13=30, Resulting Numbers: [5, 30] Generated Node #3: [5, 30] from Operation: 43-13=30 Current State: 35:[5, 30], Operations: ['91-86=5', '43-13=30'] Exploring Operation: 5+30=35, Resulting Numbers: [35] 35,35 equal: Goal Reached
4
Current State: 35:[91, 86, 13, 43], Operations: [] Exploring Operation: 91-86=5, Resulting Numbers: [13, 43, 5] Generated Node #0,0: 35:[13, 43, 5] Operation: 91-86=5 Exploring Operation: 86-43=43, Resulting Numbers: [91, 13, 43] Generated Node #0,1: 35:[91, 13, 43] Operation: 86-43=43 Exploring Operation: 86/43=2, Resulting Numbers: [91, 13, 2] Generated Node #0,2: 35:[91, 13, 2] Operation: 86/43=2 Exploring Operation: 91-43=48, Resulting Numbers: [86, 13, 48] Generated Node #0,3: 35:[86, 13, 48] Operation: 91-43=48 Exploring Operation: 91/13=7, Resulting Numbers: [86, 43, 7] Generated Node #0,4: 35:[86, 43, 7] Operation: 91/13=7 Moving to Node #0,0 Current State: 35:[13, 43, 5], Operations: ['91-86=5'] Exploring Operation: 13+5=18, Resulting Numbers: [43, 18] Generated Node #0,0,0: 35:[43, 18] Operation: 13+5=18 Exploring Operation: 43+5=48, Resulting Numbers: [13, 48] Generated Node #0,0,1: 35:[13, 48] Operation: 43+5=48 Exploring Operation: 43-13=30, Resulting Numbers: [5, 30] Generated Node #0,0,2: 35:[5, 30] Operation: 43-13=30 Exploring Operation: 43-5=38, Resulting Numbers: [13, 38] Generated Node #0,0,3: 35:[13, 38] Operation: 43-5=38 Exploring Operation: 13-5=8, Resulting Numbers: [43, 8] Generated Node #0,0,4: 35:[43, 8] Operation: 13-5=8 Moving to Node #0,4 Current State: 35:[86, 43, 7], Operations: ['91/13=7'] Exploring Operation: 43-7=36, Resulting Numbers: [86, 36] Generated Node #0,4,0: 35:[86, 36] Operation: 43-7=36 Exploring Operation: 86+7=93, Resulting Numbers: [43, 93] Generated Node #0,4,1: 35:[43, 93] Operation: 86+7=93 Exploring Operation: 86/43=2, Resulting Numbers: [7, 2] Generated Node #0,4,2: 35:[7, 2] Operation: 86/43=2 Exploring Operation: 86-7=79, Resulting Numbers: [43, 79] Generated Node #0,4,3: 35:[43, 79] Operation: 86-7=79 Exploring Operation: 86-43=43, Resulting Numbers: [7, 43] Generated Node #0,4,4: 35:[7, 43] Operation: 86-43=43 Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 35:[7, 2], Operations: ['91/13=7', '86/43=2'] Exploring Operation: 7+2=9, Resulting Numbers: [9] 9,35 unequal: No Solution Exploring Operation: 7-2=5, Resulting Numbers: [5] 5,35 unequal: No Solution Exploring Operation: 7*2=14, Resulting Numbers: [14] 14,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 35:[7, 43], Operations: ['91/13=7', '86-43=43'] Exploring Operation: 43-7=36, Resulting Numbers: [36] 36,35 unequal: No Solution Exploring Operation: 7+43=50, Resulting Numbers: [50] 50,35 unequal: No Solution Exploring Operation: 7*43=301, Resulting Numbers: [301] 301,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 35:[86, 36], Operations: ['91/13=7', '43-7=36'] Exploring Operation: 86*36=3096, Resulting Numbers: [3096] 3096,35 unequal: No Solution Exploring Operation: 86-36=50, Resulting Numbers: [50] 50,35 unequal: No Solution Exploring Operation: 86+36=122, Resulting Numbers: [122] 122,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 35:[43, 79], Operations: ['91/13=7', '86-7=79'] Exploring Operation: 43+79=122, Resulting Numbers: [122] 122,35 unequal: No Solution Exploring Operation: 43*79=3397, Resulting Numbers: [3397] 3397,35 unequal: No Solution Exploring Operation: 79-43=36, Resulting Numbers: [36] 36,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 35:[43, 93], Operations: ['91/13=7', '86+7=93'] Exploring Operation: 43+93=136, Resulting Numbers: [136] 136,35 unequal: No Solution Exploring Operation: 43*93=3999, Resulting Numbers: [3999] 3999,35 unequal: No Solution Exploring Operation: 93-43=50, Resulting Numbers: [50] 50,35 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: 35:[91, 13, 2], Operations: ['86/43=2'] Exploring Operation: 13-2=11, Resulting Numbers: [91, 11] Generated Node #0,2,0: 35:[91, 11] Operation: 13-2=11 Exploring Operation: 91+2=93, Resulting Numbers: [13, 93] Generated Node #0,2,1: 35:[13, 93] Operation: 91+2=93 Exploring Operation: 91-13=78, Resulting Numbers: [2, 78] Generated Node #0,2,2: 35:[2, 78] Operation: 91-13=78 Exploring Operation: 91-2=89, Resulting Numbers: [13, 89] Generated Node #0,2,3: 35:[13, 89] Operation: 91-2=89 Exploring Operation: 91/13=7, Resulting Numbers: [2, 7] Generated Node #0,2,4: 35:[2, 7] Operation: 91/13=7 Moving to Node #0,1 Current State: 35:[91, 13, 43], Operations: ['86-43=43'] Exploring Operation: 91-13=78, Resulting Numbers: [43, 78] Generated Node #0,1,0: 35:[43, 78] Operation: 91-13=78 Exploring Operation: 91/13=7, Resulting Numbers: [43, 7] Generated Node #0,1,1: 35:[43, 7] Operation: 91/13=7 Exploring Operation: 91-43=48, Resulting Numbers: [13, 48] Generated Node #0,1,2: 35:[13, 48] Operation: 91-43=48 Exploring Operation: 91+13=104, Resulting Numbers: [43, 104] Generated Node #0,1,3: 35:[43, 104] Operation: 91+13=104 Exploring Operation: 43-13=30, Resulting Numbers: [91, 30] Generated Node #0,1,4: 35:[91, 30] Operation: 43-13=30 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 35:[43, 7], Operations: ['86-43=43', '91/13=7'] Exploring Operation: 43*7=301, Resulting Numbers: [301] 301,35 unequal: No Solution Exploring Operation: 43-7=36, Resulting Numbers: [36] 36,35 unequal: No Solution Exploring Operation: 43+7=50, Resulting Numbers: [50] 50,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 35:[13, 48], Operations: ['86-43=43', '91-43=48'] Exploring Operation: 13*48=624, Resulting Numbers: [624] 624,35 unequal: No Solution Exploring Operation: 48-13=35, Resulting Numbers: [35] 35,35 equal: Goal Reached Moving to Node #0 Current State: 35:[91, 86, 13, 43], Operations: [] Exploring Operation: 86-43=43, Resulting Numbers: [91, 13, 43] Generated Node #0,1: 35:[91, 13, 43] Operation: 86-43=43 Moving to Node #0,1 Current State: 35:[91, 13, 43], Operations: ['86-43=43'] Exploring Operation: 91-43=48, Resulting Numbers: [13, 48] Generated Node #0,1,2: 35:[13, 48] Operation: 91-43=48 Moving to Node #0,1,2 Current State: 35:[13, 48], Operations: ['86-43=43', '91-43=48'] Exploring Operation: 48-13=35, Resulting Numbers: [35] 35,35 equal: Goal Reached Exit Sub Search at level 1
0.957465
hs_5
mult_heuristic
[ 68, 78, 4, 94 ]
21
[ "78-68=10", "94-10=84", "84/4=21" ]
Current State: 21:[68, 78, 4, 94], Operations: [] Exploring Operation: 78-68=10, Resulting Numbers: [4, 94, 10] Generated Node #2: [4, 94, 10] from Operation: 78-68=10 Current State: 21:[4, 94, 10], Operations: ['78-68=10'] Exploring Operation: 94-10=84, Resulting Numbers: [4, 84] Generated Node #3: [4, 84] from Operation: 94-10=84 Current State: 21:[4, 84], Operations: ['78-68=10', '94-10=84'] Exploring Operation: 84/4=21, Resulting Numbers: [21] 21,21 equal: Goal Reached
4
Current State: 21:[68, 78, 4, 94], Operations: [] Exploring Operation: 94-78=16, Resulting Numbers: [68, 4, 16] Generated Node #0,0: 21:[68, 4, 16] Operation: 94-78=16 Exploring Operation: 94-68=26, Resulting Numbers: [78, 4, 26] Generated Node #0,1: 21:[78, 4, 26] Operation: 94-68=26 Moving to Node #0,0 Current State: 21:[68, 4, 16], Operations: ['94-78=16'] Exploring Operation: 68-16=52, Resulting Numbers: [4, 52] Generated Node #0,0,0: 21:[4, 52] Operation: 68-16=52 Exploring Operation: 68/4=17, Resulting Numbers: [16, 17] Generated Node #0,0,1: 21:[16, 17] Operation: 68/4=17 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 21:[16, 17], Operations: ['94-78=16', '68/4=17'] Exploring Operation: 16+17=33, Resulting Numbers: [33] 33,21 unequal: No Solution Exploring Operation: 17-16=1, Resulting Numbers: [1] 1,21 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 21:[4, 52], Operations: ['94-78=16', '68-16=52'] Exploring Operation: 52-4=48, Resulting Numbers: [48] 48,21 unequal: No Solution Exploring Operation: 52/4=13, Resulting Numbers: [13] 13,21 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: 21:[78, 4, 26], Operations: ['94-68=26'] Exploring Operation: 78-26=52, Resulting Numbers: [4, 52] Generated Node #0,1,0: 21:[4, 52] Operation: 78-26=52 Exploring Operation: 78/26=3, Resulting Numbers: [4, 3] Generated Node #0,1,1: 21:[4, 3] Operation: 78/26=3 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 21:[4, 3], Operations: ['94-68=26', '78/26=3'] Exploring Operation: 4+3=7, Resulting Numbers: [7] 7,21 unequal: No Solution Exploring Operation: 4-3=1, Resulting Numbers: [1] 1,21 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 #0,1,0 Current State: 21:[4, 52], Operations: ['94-68=26', '78-26=52'] Exploring Operation: 52/4=13, Resulting Numbers: [13] 13,21 unequal: No Solution Exploring Operation: 52-4=48, Resulting Numbers: [48] 48,21 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
[ 18, 28, 28, 36 ]
63
[ "18*28=504", "36-28=8", "504/8=63" ]
Current State: 63:[18, 28, 28, 36], Operations: [] Exploring Operation: 18*28=504, Resulting Numbers: [36, 504] Generated Node #2: [36, 504] from Operation: 18*28=504 Current State: 63:[36, 504], Operations: ['18*28=504'] Exploring Operation: 36-28=8, Resulting Numbers: [504, 8] Generated Node #3: [504, 8] from Operation: 36-28=8 Current State: 63:[504, 8], Operations: ['18*28=504', '36-28=8'] Exploring Operation: 504/8=63, Resulting Numbers: [63] 63,63 equal: Goal Reached
4
Current State: 63:[18, 28, 28, 36], Operations: [] Exploring Operation: 36-28=8, Resulting Numbers: [18, 28, 8] Generated Node #0,0: 63:[18, 28, 8] Operation: 36-28=8 Exploring Operation: 36/18=2, Resulting Numbers: [28, 28, 2] Generated Node #0,1: 63:[28, 28, 2] Operation: 36/18=2 Exploring Operation: 28+36=64, Resulting Numbers: [18, 28, 64] Generated Node #0,2: 63:[18, 28, 64] Operation: 28+36=64 Exploring Operation: 28+36=64, Resulting Numbers: [18, 28, 64] Generated Node #0,3: 63:[18, 28, 64] Operation: 28+36=64 Exploring Operation: 36-28=8, Resulting Numbers: [18, 28, 8] Generated Node #0,4: 63:[18, 28, 8] Operation: 36-28=8 Start Sub Search at level 1: Moving to Node #0,0 Current State: 63:[18, 28, 8], Operations: ['36-28=8'] Exploring Operation: 18+28=46, Resulting Numbers: [8, 46] Generated Node #0,0,0: 63:[8, 46] Operation: 18+28=46 Exploring Operation: 28-8=20, Resulting Numbers: [18, 20] Generated Node #0,0,1: 63:[18, 20] Operation: 28-8=20 Exploring Operation: 18-8=10, Resulting Numbers: [28, 10] Generated Node #0,0,2: 63:[28, 10] Operation: 18-8=10 Exploring Operation: 18+8=26, Resulting Numbers: [28, 26] Generated Node #0,0,3: 63:[28, 26] Operation: 18+8=26 Exploring Operation: 28-18=10, Resulting Numbers: [8, 10] Generated Node #0,0,4: 63:[8, 10] Operation: 28-18=10 Moving to Node #0,0,4 Current State: 63:[8, 10], Operations: ['36-28=8', '28-18=10'] Exploring Operation: 10-8=2, Resulting Numbers: [2] 2,63 unequal: No Solution Exploring Operation: 8+10=18, Resulting Numbers: [18] 18,63 unequal: No Solution Exploring Operation: 8*10=80, Resulting Numbers: [80] 80,63 unequal: No Solution Moving to Node #0,0,1 Current State: 63:[18, 20], Operations: ['36-28=8', '28-8=20'] Exploring Operation: 18+20=38, Resulting Numbers: [38] 38,63 unequal: No Solution Exploring Operation: 18*20=360, Resulting Numbers: [360] 360,63 unequal: No Solution Exploring Operation: 20-18=2, Resulting Numbers: [2] 2,63 unequal: No Solution Moving to Node #0,0,2 Current State: 63:[28, 10], Operations: ['36-28=8', '18-8=10'] Exploring Operation: 28*10=280, Resulting Numbers: [280] 280,63 unequal: No Solution Exploring Operation: 28-10=18, Resulting Numbers: [18] 18,63 unequal: No Solution Exploring Operation: 28+10=38, Resulting Numbers: [38] 38,63 unequal: No Solution Moving to Node #0,0,3 Current State: 63:[28, 26], Operations: ['36-28=8', '18+8=26'] Exploring Operation: 28*26=728, Resulting Numbers: [728] 728,63 unequal: No Solution Exploring Operation: 28+26=54, Resulting Numbers: [54] 54,63 unequal: No Solution Exploring Operation: 28-26=2, Resulting Numbers: [2] 2,63 unequal: No Solution Moving to Node #0,0,0 Current State: 63:[8, 46], Operations: ['36-28=8', '18+28=46'] Exploring Operation: 8+46=54, Resulting Numbers: [54] 54,63 unequal: No Solution Exploring Operation: 8*46=368, Resulting Numbers: [368] 368,63 unequal: No Solution Exploring Operation: 46-8=38, Resulting Numbers: [38] 38,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 63:[18, 28, 64], Operations: ['28+36=64'] Exploring Operation: 18+28=46, Resulting Numbers: [64, 46] Generated Node #0,2,0: 63:[64, 46] Operation: 18+28=46 Exploring Operation: 18+64=82, Resulting Numbers: [28, 82] Generated Node #0,2,1: 63:[28, 82] Operation: 18+64=82 Exploring Operation: 28-18=10, Resulting Numbers: [64, 10] Generated Node #0,2,2: 63:[64, 10] Operation: 28-18=10 Exploring Operation: 64-28=36, Resulting Numbers: [18, 36] Generated Node #0,2,3: 63:[18, 36] Operation: 64-28=36 Exploring Operation: 64-18=46, Resulting Numbers: [28, 46] Generated Node #0,2,4: 63:[28, 46] Operation: 64-18=46 Moving to Node #0,2,2 Current State: 63:[64, 10], Operations: ['28+36=64', '28-18=10'] Exploring Operation: 64-10=54, Resulting Numbers: [54] 54,63 unequal: No Solution Exploring Operation: 64*10=640, Resulting Numbers: [640] 640,63 unequal: No Solution Exploring Operation: 64+10=74, Resulting Numbers: [74] 74,63 unequal: No Solution Moving to Node #0,2,3 Current State: 63:[18, 36], Operations: ['28+36=64', '64-28=36'] Exploring Operation: 18+36=54, Resulting Numbers: [54] 54,63 unequal: No Solution Exploring Operation: 18*36=648, Resulting Numbers: [648] 648,63 unequal: No Solution Exploring Operation: 36-18=18, Resulting Numbers: [18] 18,63 unequal: No Solution Exploring Operation: 36/18=2, Resulting Numbers: [2] 2,63 unequal: No Solution Moving to Node #0,2,0 Current State: 63:[64, 46], Operations: ['28+36=64', '18+28=46'] Exploring Operation: 64-46=18, Resulting Numbers: [18] 18,63 unequal: No Solution Exploring Operation: 64*46=2944, Resulting Numbers: [2944] 2944,63 unequal: No Solution Exploring Operation: 64+46=110, Resulting Numbers: [110] 110,63 unequal: No Solution Moving to Node #0,2,4 Current State: 63:[28, 46], Operations: ['28+36=64', '64-18=46'] Exploring Operation: 28+46=74, Resulting Numbers: [74] 74,63 unequal: No Solution Exploring Operation: 28*46=1288, Resulting Numbers: [1288] 1288,63 unequal: No Solution Exploring Operation: 46-28=18, Resulting Numbers: [18] 18,63 unequal: No Solution Moving to Node #0,2,1 Current State: 63:[28, 82], Operations: ['28+36=64', '18+64=82'] Exploring Operation: 28+82=110, Resulting Numbers: [110] 110,63 unequal: No Solution Exploring Operation: 28*82=2296, Resulting Numbers: [2296] 2296,63 unequal: No Solution Exploring Operation: 82-28=54, Resulting Numbers: [54] 54,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 63:[18, 28, 64], Operations: ['28+36=64'] Exploring Operation: 18+28=46, Resulting Numbers: [64, 46] Generated Node #0,3,0: 63:[64, 46] Operation: 18+28=46 Exploring Operation: 64-18=46, Resulting Numbers: [28, 46] Generated Node #0,3,1: 63:[28, 46] Operation: 64-18=46 Exploring Operation: 18+64=82, Resulting Numbers: [28, 82] Generated Node #0,3,2: 63:[28, 82] Operation: 18+64=82 Exploring Operation: 64-28=36, Resulting Numbers: [18, 36] Generated Node #0,3,3: 63:[18, 36] Operation: 64-28=36 Exploring Operation: 28-18=10, Resulting Numbers: [64, 10] Generated Node #0,3,4: 63:[64, 10] Operation: 28-18=10 Moving to Node #0,3,4 Current State: 63:[64, 10], Operations: ['28+36=64', '28-18=10'] Exploring Operation: 64*10=640, Resulting Numbers: [640] 640,63 unequal: No Solution Exploring Operation: 64+10=74, Resulting Numbers: [74] 74,63 unequal: No Solution Exploring Operation: 64-10=54, Resulting Numbers: [54] 54,63 unequal: No Solution Moving to Node #0,3,3 Current State: 63:[18, 36], Operations: ['28+36=64', '64-28=36'] Exploring Operation: 18+36=54, Resulting Numbers: [54] 54,63 unequal: No Solution Exploring Operation: 18*36=648, Resulting Numbers: [648] 648,63 unequal: No Solution Exploring Operation: 36-18=18, Resulting Numbers: [18] 18,63 unequal: No Solution Exploring Operation: 36/18=2, Resulting Numbers: [2] 2,63 unequal: No Solution Moving to Node #0,3,0 Current State: 63:[64, 46], Operations: ['28+36=64', '18+28=46'] Exploring Operation: 64*46=2944, Resulting Numbers: [2944] 2944,63 unequal: No Solution Exploring Operation: 64-46=18, Resulting Numbers: [18] 18,63 unequal: No Solution Exploring Operation: 64+46=110, Resulting Numbers: [110] 110,63 unequal: No Solution Moving to Node #0,3,1 Current State: 63:[28, 46], Operations: ['28+36=64', '64-18=46'] Exploring Operation: 46-28=18, Resulting Numbers: [18] 18,63 unequal: No Solution Exploring Operation: 28+46=74, Resulting Numbers: [74] 74,63 unequal: No Solution Exploring Operation: 28*46=1288, Resulting Numbers: [1288] 1288,63 unequal: No Solution Moving to Node #0,3,2 Current State: 63:[28, 82], Operations: ['28+36=64', '18+64=82'] Exploring Operation: 28*82=2296, Resulting Numbers: [2296] 2296,63 unequal: No Solution Exploring Operation: 82-28=54, Resulting Numbers: [54] 54,63 unequal: No Solution Exploring Operation: 28+82=110, Resulting Numbers: [110] 110,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 63:[18, 28, 8], Operations: ['36-28=8'] Exploring Operation: 28-18=10, Resulting Numbers: [8, 10] Generated Node #0,4,0: 63:[8, 10] Operation: 28-18=10 Exploring Operation: 28-8=20, Resulting Numbers: [18, 20] Generated Node #0,4,1: 63:[18, 20] Operation: 28-8=20 Exploring Operation: 18+8=26, Resulting Numbers: [28, 26] Generated Node #0,4,2: 63:[28, 26] Operation: 18+8=26 Exploring Operation: 18-8=10, Resulting Numbers: [28, 10] Generated Node #0,4,3: 63:[28, 10] Operation: 18-8=10 Exploring Operation: 18+28=46, Resulting Numbers: [8, 46] Generated Node #0,4,4: 63:[8, 46] Operation: 18+28=46 Moving to Node #0,4,0 Current State: 63:[8, 10], Operations: ['36-28=8', '28-18=10'] Exploring Operation: 8+10=18, Resulting Numbers: [18] 18,63 unequal: No Solution Exploring Operation: 10-8=2, Resulting Numbers: [2] 2,63 unequal: No Solution Exploring Operation: 8*10=80, Resulting Numbers: [80] 80,63 unequal: No Solution Moving to Node #0,4,1 Current State: 63:[18, 20], Operations: ['36-28=8', '28-8=20'] Exploring Operation: 18*20=360, Resulting Numbers: [360] 360,63 unequal: No Solution Exploring Operation: 18+20=38, Resulting Numbers: [38] 38,63 unequal: No Solution Exploring Operation: 20-18=2, Resulting Numbers: [2] 2,63 unequal: No Solution Moving to Node #0,4,3 Current State: 63:[28, 10], Operations: ['36-28=8', '18-8=10'] Exploring Operation: 28-10=18, Resulting Numbers: [18] 18,63 unequal: No Solution Exploring Operation: 28+10=38, Resulting Numbers: [38] 38,63 unequal: No Solution Exploring Operation: 28*10=280, Resulting Numbers: [280] 280,63 unequal: No Solution Moving to Node #0,4,2 Current State: 63:[28, 26], Operations: ['36-28=8', '18+8=26'] Exploring Operation: 28*26=728, Resulting Numbers: [728] 728,63 unequal: No Solution Exploring Operation: 28+26=54, Resulting Numbers: [54] 54,63 unequal: No Solution Exploring Operation: 28-26=2, Resulting Numbers: [2] 2,63 unequal: No Solution Moving to Node #0,4,4 Current State: 63:[8, 46], Operations: ['36-28=8', '18+28=46'] Exploring Operation: 8+46=54, Resulting Numbers: [54] 54,63 unequal: No Solution Exploring Operation: 8*46=368, Resulting Numbers: [368] 368,63 unequal: No Solution Exploring Operation: 46-8=38, Resulting Numbers: [38] 38,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 63:[28, 28, 2], Operations: ['36/18=2'] Exploring Operation: 28-28=0, Resulting Numbers: [2, 0] Generated Node #0,1,0: 63:[2, 0] Operation: 28-28=0 Exploring Operation: 28/2=14, Resulting Numbers: [28, 14] Generated Node #0,1,1: 63:[28, 14] Operation: 28/2=14 Exploring Operation: 28-2=26, Resulting Numbers: [28, 26] Generated Node #0,1,2: 63:[28, 26] Operation: 28-2=26 Exploring Operation: 28/28=1, Resulting Numbers: [2, 1] Generated Node #0,1,3: 63:[2, 1] Operation: 28/28=1 Exploring Operation: 28+28=56, Resulting Numbers: [2, 56] Generated Node #0,1,4: 63:[2, 56] Operation: 28+28=56 Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 63:[2, 1], Operations: ['36/18=2', '28/28=1'] Exploring Operation: 2-1=1, Resulting Numbers: [1] 1,63 unequal: No Solution Exploring Operation: 2+1=3, Resulting Numbers: [3] 3,63 unequal: No Solution Exploring Operation: 2/1=2, Resulting Numbers: [2] 2,63 unequal: No Solution Exploring Operation: 2*1=2, Resulting Numbers: [2] 2,63 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 63:[2, 0], Operations: ['36/18=2', '28-28=0'] Exploring Operation: 2-0=2, Resulting Numbers: [2] 2,63 unequal: No Solution Exploring Operation: 2+0=2, Resulting Numbers: [2] 2,63 unequal: No Solution Exploring Operation: 2*0=0, Resulting Numbers: [0] 0,63 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 63:[2, 56], Operations: ['36/18=2', '28+28=56'] Exploring Operation: 56/2=28, Resulting Numbers: [28] 28,63 unequal: No Solution Exploring Operation: 56-2=54, Resulting Numbers: [54] 54,63 unequal: No Solution Exploring Operation: 2*56=112, Resulting Numbers: [112] 112,63 unequal: No Solution Exploring Operation: 2+56=58, Resulting Numbers: [58] 58,63 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 63:[28, 14], Operations: ['36/18=2', '28/2=14'] Exploring Operation: 28/14=2, Resulting Numbers: [2] 2,63 unequal: No Solution Exploring Operation: 28*14=392, Resulting Numbers: [392] 392,63 unequal: No Solution Exploring Operation: 28-14=14, Resulting Numbers: [14] 14,63 unequal: No Solution Exploring Operation: 28+14=42, Resulting Numbers: [42] 42,63 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 63:[28, 26], Operations: ['36/18=2', '28-2=26'] Exploring Operation: 28+26=54, Resulting Numbers: [54] 54,63 unequal: No Solution Exploring Operation: 28*26=728, Resulting Numbers: [728] 728,63 unequal: No Solution Exploring Operation: 28-26=2, Resulting Numbers: [2] 2,63 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
sum_heuristic
[ 44, 22, 1, 17 ]
48
[ "44+22=66", "1+17=18", "66-18=48" ]
Current State: 48:[44, 22, 1, 17], Operations: [] Exploring Operation: 44+22=66, Resulting Numbers: [1, 17, 66] Generated Node #2: [1, 17, 66] from Operation: 44+22=66 Current State: 48:[1, 17, 66], Operations: ['44+22=66'] Exploring Operation: 1+17=18, Resulting Numbers: [66, 18] Generated Node #3: [66, 18] from Operation: 1+17=18 Current State: 48:[66, 18], Operations: ['44+22=66', '1+17=18'] Exploring Operation: 66-18=48, Resulting Numbers: [48] 48,48 equal: Goal Reached
4
Current State: 48:[44, 22, 1, 17], Operations: [] Exploring Operation: 44-22=22, Resulting Numbers: [1, 17, 22] Generated Node #0,0: 48:[1, 17, 22] Operation: 44-22=22 Exploring Operation: 44/22=2, Resulting Numbers: [1, 17, 2] Generated Node #0,1: 48:[1, 17, 2] Operation: 44/22=2 Exploring Operation: 44+1=45, Resulting Numbers: [22, 17, 45] Generated Node #0,2: 48:[22, 17, 45] Operation: 44+1=45 Exploring Operation: 44-17=27, Resulting Numbers: [22, 1, 27] Generated Node #0,3: 48:[22, 1, 27] Operation: 44-17=27 Moving to Node #0,1 Current State: 48:[1, 17, 2], Operations: ['44/22=2'] Exploring Operation: 17/1=17, Resulting Numbers: [2, 17] Generated Node #0,1,0: 48:[2, 17] Operation: 17/1=17 Exploring Operation: 17-1=16, Resulting Numbers: [2, 16] Generated Node #0,1,1: 48:[2, 16] Operation: 17-1=16 Exploring Operation: 1*17=17, Resulting Numbers: [2, 17] Generated Node #0,1,2: 48:[2, 17] Operation: 1*17=17 Exploring Operation: 1+2=3, Resulting Numbers: [17, 3] Generated Node #0,1,3: 48:[17, 3] Operation: 1+2=3 Moving to Node #0,0 Current State: 48:[1, 17, 22], Operations: ['44-22=22'] Exploring Operation: 1+22=23, Resulting Numbers: [17, 23] Generated Node #0,0,0: 48:[17, 23] Operation: 1+22=23 Exploring Operation: 17-1=16, Resulting Numbers: [22, 16] Generated Node #0,0,1: 48:[22, 16] Operation: 17-1=16 Exploring Operation: 1*17=17, Resulting Numbers: [22, 17] Generated Node #0,0,2: 48:[22, 17] Operation: 1*17=17 Exploring Operation: 22-17=5, Resulting Numbers: [1, 5] Generated Node #0,0,3: 48:[1, 5] Operation: 22-17=5 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 48:[17, 23], Operations: ['44-22=22', '1+22=23'] Exploring Operation: 17*23=391, Resulting Numbers: [391] 391,48 unequal: No Solution Exploring Operation: 17+23=40, Resulting Numbers: [40] 40,48 unequal: No Solution Exploring Operation: 23-17=6, Resulting Numbers: [6] 6,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 48:[22, 16], Operations: ['44-22=22', '17-1=16'] Exploring Operation: 22+16=38, Resulting Numbers: [38] 38,48 unequal: No Solution Exploring Operation: 22*16=352, Resulting Numbers: [352] 352,48 unequal: No Solution Exploring Operation: 22-16=6, Resulting Numbers: [6] 6,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 48:[1, 5], Operations: ['44-22=22', '22-17=5'] Exploring Operation: 1+5=6, Resulting Numbers: [6] 6,48 unequal: No Solution Exploring Operation: 5-1=4, Resulting Numbers: [4] 4,48 unequal: No Solution Exploring Operation: 5/1=5, Resulting Numbers: [5] 5,48 unequal: No Solution Exploring Operation: 1*5=5, Resulting Numbers: [5] 5,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 48:[22, 17], Operations: ['44-22=22', '1*17=17'] Exploring Operation: 22*17=374, Resulting Numbers: [374] 374,48 unequal: No Solution Exploring Operation: 22+17=39, Resulting Numbers: [39] 39,48 unequal: No Solution Exploring Operation: 22-17=5, Resulting Numbers: [5] 5,48 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: 48:[22, 1, 27], Operations: ['44-17=27'] Exploring Operation: 27-1=26, Resulting Numbers: [22, 26] Generated Node #0,3,0: 48:[22, 26] Operation: 27-1=26 Exploring Operation: 22+1=23, Resulting Numbers: [27, 23] Generated Node #0,3,1: 48:[27, 23] Operation: 22+1=23 Exploring Operation: 27-22=5, Resulting Numbers: [1, 5] Generated Node #0,3,2: 48:[1, 5] Operation: 27-22=5 Exploring Operation: 22+27=49, Resulting Numbers: [1, 49] Generated Node #0,3,3: 48:[1, 49] Operation: 22+27=49 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 48:[1, 5], Operations: ['44-17=27', '27-22=5'] Exploring Operation: 5-1=4, Resulting Numbers: [4] 4,48 unequal: No Solution Exploring Operation: 1+5=6, Resulting Numbers: [6] 6,48 unequal: No Solution Exploring Operation: 5/1=5, Resulting Numbers: [5] 5,48 unequal: No Solution Exploring Operation: 1*5=5, Resulting Numbers: [5] 5,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 48:[1, 49], Operations: ['44-17=27', '22+27=49'] Exploring Operation: 1+49=50, Resulting Numbers: [50] 50,48 unequal: No Solution Exploring Operation: 49-1=48, Resulting Numbers: [48] 48,48 equal: Goal Reached Moving to Node #0 Current State: 48:[44, 22, 1, 17], Operations: [] Exploring Operation: 44-17=27, Resulting Numbers: [22, 1, 27] Generated Node #0,3: 48:[22, 1, 27] Operation: 44-17=27 Moving to Node #0,3 Current State: 48:[22, 1, 27], Operations: ['44-17=27'] Exploring Operation: 22+27=49, Resulting Numbers: [1, 49] Generated Node #0,3,3: 48:[1, 49] Operation: 22+27=49 Moving to Node #0,3,3 Current State: 48:[1, 49], Operations: ['44-17=27', '22+27=49'] Exploring Operation: 49-1=48, Resulting Numbers: [48] 48,48 equal: Goal Reached Exit Sub Search at level 1
0.966146
hs_4
sum_heuristic
[ 91, 77, 29, 16 ]
27
[ "91-77=14", "29-16=13", "14+13=27" ]
Current State: 27:[91, 77, 29, 16], Operations: [] Exploring Operation: 91-77=14, Resulting Numbers: [29, 16, 14] Generated Node #2: [29, 16, 14] from Operation: 91-77=14 Current State: 27:[29, 16, 14], Operations: ['91-77=14'] Exploring Operation: 29-16=13, Resulting Numbers: [14, 13] Generated Node #3: [14, 13] from Operation: 29-16=13 Current State: 27:[14, 13], Operations: ['91-77=14', '29-16=13'] Exploring Operation: 14+13=27, Resulting Numbers: [27] 27,27 equal: Goal Reached
4
Current State: 27:[91, 77, 29, 16], Operations: [] Exploring Operation: 91-16=75, Resulting Numbers: [77, 29, 75] Generated Node #0,0: 27:[77, 29, 75] Operation: 91-16=75 Exploring Operation: 77-29=48, Resulting Numbers: [91, 16, 48] Generated Node #0,1: 27:[91, 16, 48] Operation: 77-29=48 Exploring Operation: 91-29=62, Resulting Numbers: [77, 16, 62] Generated Node #0,2: 27:[77, 16, 62] Operation: 91-29=62 Exploring Operation: 91-77=14, Resulting Numbers: [29, 16, 14] Generated Node #0,3: 27:[29, 16, 14] Operation: 91-77=14 Start Sub Search at level 1: Moving to Node #0,3 Current State: 27:[29, 16, 14], Operations: ['91-77=14'] Exploring Operation: 16-14=2, Resulting Numbers: [29, 2] Generated Node #0,3,0: 27:[29, 2] Operation: 16-14=2 Exploring Operation: 29-16=13, Resulting Numbers: [14, 13] Generated Node #0,3,1: 27:[14, 13] Operation: 29-16=13 Exploring Operation: 29-14=15, Resulting Numbers: [16, 15] Generated Node #0,3,2: 27:[16, 15] Operation: 29-14=15 Exploring Operation: 16+14=30, Resulting Numbers: [29, 30] Generated Node #0,3,3: 27:[29, 30] Operation: 16+14=30 Moving to Node #0,3,0 Current State: 27:[29, 2], Operations: ['91-77=14', '16-14=2'] Exploring Operation: 29+2=31, Resulting Numbers: [31] 31,27 unequal: No Solution Exploring Operation: 29-2=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Moving to Node #0 Current State: 27:[91, 77, 29, 16], Operations: [] Exploring Operation: 91-77=14, Resulting Numbers: [29, 16, 14] Generated Node #0,3: 27:[29, 16, 14] Operation: 91-77=14 Moving to Node #0,3 Current State: 27:[29, 16, 14], Operations: ['91-77=14'] Exploring Operation: 16-14=2, Resulting Numbers: [29, 2] Generated Node #0,3,0: 27:[29, 2] Operation: 16-14=2 Moving to Node #0,3,0 Current State: 27:[29, 2], Operations: ['91-77=14', '16-14=2'] Exploring Operation: 29-2=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_4
sum_heuristic
[ 89, 57, 52, 33 ]
51
[ "89-57=32", "52-33=19", "32+19=51" ]
Current State: 51:[89, 57, 52, 33], Operations: [] Exploring Operation: 89-57=32, Resulting Numbers: [52, 33, 32] Generated Node #2: [52, 33, 32] from Operation: 89-57=32 Current State: 51:[52, 33, 32], Operations: ['89-57=32'] Exploring Operation: 52-33=19, Resulting Numbers: [32, 19] Generated Node #3: [32, 19] from Operation: 52-33=19 Current State: 51:[32, 19], Operations: ['89-57=32', '52-33=19'] Exploring Operation: 32+19=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[89, 57, 52, 33], Operations: [] Exploring Operation: 89-33=56, Resulting Numbers: [57, 52, 56] Generated Node #0,0: 51:[57, 52, 56] Operation: 89-33=56 Exploring Operation: 89-52=37, Resulting Numbers: [57, 33, 37] Generated Node #0,1: 51:[57, 33, 37] Operation: 89-52=37 Exploring Operation: 89-57=32, Resulting Numbers: [52, 33, 32] Generated Node #0,2: 51:[52, 33, 32] Operation: 89-57=32 Moving to Node #0,0 Current State: 51:[57, 52, 56], Operations: ['89-33=56'] Exploring Operation: 57-52=5, Resulting Numbers: [56, 5] Generated Node #0,0,0: 51:[56, 5] Operation: 57-52=5 Exploring Operation: 56-52=4, Resulting Numbers: [57, 4] Generated Node #0,0,1: 51:[57, 4] Operation: 56-52=4 Exploring Operation: 57-56=1, Resulting Numbers: [52, 1] Generated Node #0,0,2: 51:[52, 1] Operation: 57-56=1 Moving to Node #0,2 Current State: 51:[52, 33, 32], Operations: ['89-57=32'] Exploring Operation: 33-32=1, Resulting Numbers: [52, 1] Generated Node #0,2,0: 51:[52, 1] Operation: 33-32=1 Exploring Operation: 52-33=19, Resulting Numbers: [32, 19] Generated Node #0,2,1: 51:[32, 19] Operation: 52-33=19 Exploring Operation: 33+32=65, Resulting Numbers: [52, 65] Generated Node #0,2,2: 51:[52, 65] Operation: 33+32=65 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 51:[52, 1], Operations: ['89-57=32', '33-32=1'] Exploring Operation: 52-1=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Moving to Node #0 Current State: 51:[89, 57, 52, 33], Operations: [] Exploring Operation: 89-57=32, Resulting Numbers: [52, 33, 32] Generated Node #0,2: 51:[52, 33, 32] Operation: 89-57=32 Moving to Node #0,2 Current State: 51:[52, 33, 32], Operations: ['89-57=32'] Exploring Operation: 33-32=1, Resulting Numbers: [52, 1] Generated Node #0,2,0: 51:[52, 1] Operation: 33-32=1 Moving to Node #0,2,0 Current State: 51:[52, 1], Operations: ['89-57=32', '33-32=1'] Exploring Operation: 52-1=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_3
sum_heuristic
[ 12, 13, 36, 66 ]
77
[ "12+13=25", "36+66=102", "102-25=77" ]
Current State: 77:[12, 13, 36, 66], Operations: [] Exploring Operation: 12+13=25, Resulting Numbers: [36, 66, 25] Generated Node #2: [36, 66, 25] from Operation: 12+13=25 Current State: 77:[36, 66, 25], Operations: ['12+13=25'] Exploring Operation: 36+66=102, Resulting Numbers: [25, 102] Generated Node #3: [25, 102] from Operation: 36+66=102 Current State: 77:[25, 102], Operations: ['12+13=25', '36+66=102'] Exploring Operation: 102-25=77, Resulting Numbers: [77] 77,77 equal: Goal Reached
4
Current State: 77:[12, 13, 36, 66], Operations: [] Exploring Operation: 36-12=24, Resulting Numbers: [13, 66, 24] Generated Node #0,0: 77:[13, 66, 24] Operation: 36-12=24 Exploring Operation: 36-13=23, Resulting Numbers: [12, 66, 23] Generated Node #0,1: 77:[12, 66, 23] Operation: 36-13=23 Exploring Operation: 36/12=3, Resulting Numbers: [13, 66, 3] Generated Node #0,2: 77:[13, 66, 3] Operation: 36/12=3 Exploring Operation: 66-36=30, Resulting Numbers: [12, 13, 30] Generated Node #0,3: 77:[12, 13, 30] Operation: 66-36=30 Start Sub Search at level 1: Moving to Node #0,2 Current State: 77:[13, 66, 3], Operations: ['36/12=3'] Exploring Operation: 66/3=22, Resulting Numbers: [13, 22] Generated Node #0,2,0: 77:[13, 22] Operation: 66/3=22 Exploring Operation: 66+3=69, Resulting Numbers: [13, 69] Generated Node #0,2,1: 77:[13, 69] Operation: 66+3=69 Exploring Operation: 13-3=10, Resulting Numbers: [66, 10] Generated Node #0,2,2: 77:[66, 10] Operation: 13-3=10 Exploring Operation: 13+66=79, Resulting Numbers: [3, 79] Generated Node #0,2,3: 77:[3, 79] Operation: 13+66=79 Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 77:[3, 79], Operations: ['36/12=3', '13+66=79'] Exploring Operation: 3+79=82, Resulting Numbers: [82] 82,77 unequal: No Solution Exploring Operation: 79-3=76, Resulting Numbers: [76] 76,77 unequal: No Solution Exploring Operation: 3*79=237, Resulting Numbers: [237] 237,77 unequal: No Solution No 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: 77:[13, 69], Operations: ['36/12=3', '66+3=69'] Exploring Operation: 13+69=82, Resulting Numbers: [82] 82,77 unequal: No Solution Exploring Operation: 69-13=56, Resulting Numbers: [56] 56,77 unequal: No Solution Exploring Operation: 13*69=897, Resulting Numbers: [897] 897,77 unequal: No Solution No 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: 77:[66, 10], Operations: ['36/12=3', '13-3=10'] Exploring Operation: 66*10=660, Resulting Numbers: [660] 660,77 unequal: No Solution Exploring Operation: 66+10=76, Resulting Numbers: [76] 76,77 unequal: No Solution Exploring Operation: 66-10=56, Resulting Numbers: [56] 56,77 unequal: No Solution No 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: 77:[13, 22], Operations: ['36/12=3', '66/3=22'] Exploring Operation: 13*22=286, Resulting Numbers: [286] 286,77 unequal: No Solution Exploring Operation: 13+22=35, Resulting Numbers: [35] 35,77 unequal: No Solution Exploring Operation: 22-13=9, Resulting Numbers: [9] 9,77 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: 77:[12, 13, 30], Operations: ['66-36=30'] Exploring Operation: 30-13=17, Resulting Numbers: [12, 17] Generated Node #0,3,0: 77:[12, 17] Operation: 30-13=17 Exploring Operation: 12+13=25, Resulting Numbers: [30, 25] Generated Node #0,3,1: 77:[30, 25] Operation: 12+13=25 Exploring Operation: 13-12=1, Resulting Numbers: [30, 1] Generated Node #0,3,2: 77:[30, 1] Operation: 13-12=1 Exploring Operation: 30-12=18, Resulting Numbers: [13, 18] Generated Node #0,3,3: 77:[13, 18] Operation: 30-12=18 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 77:[12, 17], Operations: ['66-36=30', '30-13=17'] Exploring Operation: 17-12=5, Resulting Numbers: [5] 5,77 unequal: No Solution Exploring Operation: 12+17=29, Resulting Numbers: [29] 29,77 unequal: No Solution Exploring Operation: 12*17=204, Resulting Numbers: [204] 204,77 unequal: No Solution No 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: 77:[13, 18], Operations: ['66-36=30', '30-12=18'] Exploring Operation: 18-13=5, Resulting Numbers: [5] 5,77 unequal: No Solution Exploring Operation: 13*18=234, Resulting Numbers: [234] 234,77 unequal: No Solution Exploring Operation: 13+18=31, Resulting Numbers: [31] 31,77 unequal: No Solution No 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: 77:[30, 1], Operations: ['66-36=30', '13-12=1'] Exploring Operation: 30*1=30, Resulting Numbers: [30] 30,77 unequal: No Solution Exploring Operation: 30+1=31, Resulting Numbers: [31] 31,77 unequal: No Solution Exploring Operation: 30-1=29, Resulting Numbers: [29] 29,77 unequal: No Solution Exploring Operation: 30/1=30, Resulting Numbers: [30] 30,77 unequal: No Solution No 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: 77:[30, 25], Operations: ['66-36=30', '12+13=25'] Exploring Operation: 30-25=5, Resulting Numbers: [5] 5,77 unequal: No Solution Exploring Operation: 30*25=750, Resulting Numbers: [750] 750,77 unequal: No Solution Exploring Operation: 30+25=55, Resulting Numbers: [55] 55,77 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: 77:[12, 66, 23], Operations: ['36-13=23'] Exploring Operation: 23-12=11, Resulting Numbers: [66, 11] Generated Node #0,1,0: 77:[66, 11] Operation: 23-12=11 Exploring Operation: 66+23=89, Resulting Numbers: [12, 89] Generated Node #0,1,1: 77:[12, 89] Operation: 66+23=89 Exploring Operation: 66-23=43, Resulting Numbers: [12, 43] Generated Node #0,1,2: 77:[12, 43] Operation: 66-23=43 Exploring Operation: 12+66=78, Resulting Numbers: [23, 78] Generated Node #0,1,3: 77:[23, 78] Operation: 12+66=78 Moving to Node #0,1,0 Current State: 77:[66, 11], Operations: ['36-13=23', '23-12=11'] Exploring Operation: 66/11=6, Resulting Numbers: [6] 6,77 unequal: No Solution Exploring Operation: 66-11=55, Resulting Numbers: [55] 55,77 unequal: No Solution Exploring Operation: 66*11=726, Resulting Numbers: [726] 726,77 unequal: No Solution Exploring Operation: 66+11=77, Resulting Numbers: [77] 77,77 equal: Goal Reached Moving to Node #0 Current State: 77:[12, 13, 36, 66], Operations: [] Exploring Operation: 36-13=23, Resulting Numbers: [12, 66, 23] Generated Node #0,1: 77:[12, 66, 23] Operation: 36-13=23 Moving to Node #0,1 Current State: 77:[12, 66, 23], Operations: ['36-13=23'] Exploring Operation: 23-12=11, Resulting Numbers: [66, 11] Generated Node #0,1,0: 77:[66, 11] Operation: 23-12=11 Moving to Node #0,1,0 Current State: 77:[66, 11], Operations: ['36-13=23', '23-12=11'] Exploring Operation: 66+11=77, Resulting Numbers: [77] 77,77 equal: Goal Reached Exit Sub Search at level 1
0.957465
hs_4
mult_heuristic
[ 82, 50, 8, 41 ]
81
[ "82-50=32", "8+41=49", "32+49=81" ]
Current State: 81:[82, 50, 8, 41], Operations: [] Exploring Operation: 82-50=32, Resulting Numbers: [8, 41, 32] Generated Node #2: [8, 41, 32] from Operation: 82-50=32 Current State: 81:[8, 41, 32], Operations: ['82-50=32'] Exploring Operation: 8+41=49, Resulting Numbers: [32, 49] Generated Node #3: [32, 49] from Operation: 8+41=49 Current State: 81:[32, 49], Operations: ['82-50=32', '8+41=49'] Exploring Operation: 32+49=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[82, 50, 8, 41], Operations: [] Exploring Operation: 50-41=9, Resulting Numbers: [82, 8, 9] Generated Node #0,0: 81:[82, 8, 9] Operation: 50-41=9 Exploring Operation: 50+41=91, Resulting Numbers: [82, 8, 91] Generated Node #0,1: 81:[82, 8, 91] Operation: 50+41=91 Moving to Node #0,0 Current State: 81:[82, 8, 9], Operations: ['50-41=9'] Exploring Operation: 82-8=74, Resulting Numbers: [9, 74] Generated Node #0,0,0: 81:[9, 74] Operation: 82-8=74 Exploring Operation: 9-8=1, Resulting Numbers: [82, 1] Generated Node #0,0,1: 81:[82, 1] Operation: 9-8=1 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 81:[82, 1], Operations: ['50-41=9', '9-8=1'] Exploring Operation: 82*1=82, Resulting Numbers: [82] 82,81 unequal: No Solution Exploring Operation: 82-1=81, Resulting Numbers: [81] 81,81 equal: Goal Reached Moving to Node #0 Current State: 81:[82, 50, 8, 41], Operations: [] Exploring Operation: 50-41=9, Resulting Numbers: [82, 8, 9] Generated Node #0,0: 81:[82, 8, 9] Operation: 50-41=9 Moving to Node #0,0 Current State: 81:[82, 8, 9], Operations: ['50-41=9'] Exploring Operation: 9-8=1, Resulting Numbers: [82, 1] Generated Node #0,0,1: 81:[82, 1] Operation: 9-8=1 Moving to Node #0,0,1 Current State: 81:[82, 1], Operations: ['50-41=9', '9-8=1'] Exploring Operation: 82-1=81, Resulting Numbers: [81] 81,81 equal: Goal Reached Exit Sub Search at level 1
0.991319
hs_2
mult_heuristic
[ 96, 43, 5, 23 ]
71
[ "96-43=53", "23-5=18", "53+18=71" ]
Current State: 71:[96, 43, 5, 23], Operations: [] Exploring Operation: 96-43=53, Resulting Numbers: [5, 23, 53] Generated Node #2: [5, 23, 53] from Operation: 96-43=53 Current State: 71:[5, 23, 53], Operations: ['96-43=53'] Exploring Operation: 23-5=18, Resulting Numbers: [53, 18] Generated Node #3: [53, 18] from Operation: 23-5=18 Current State: 71:[53, 18], Operations: ['96-43=53', '23-5=18'] Exploring Operation: 53+18=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
4
Current State: 71:[96, 43, 5, 23], Operations: [] Exploring Operation: 96-23=73, Resulting Numbers: [43, 5, 73] Generated Node #0,0: 71:[43, 5, 73] Operation: 96-23=73 Exploring Operation: 96-5=91, Resulting Numbers: [43, 23, 91] Generated Node #0,1: 71:[43, 23, 91] Operation: 96-5=91 Exploring Operation: 5+23=28, Resulting Numbers: [96, 43, 28] Generated Node #0,2: 71:[96, 43, 28] Operation: 5+23=28 Exploring Operation: 43+5=48, Resulting Numbers: [96, 23, 48] Generated Node #0,3: 71:[96, 23, 48] Operation: 43+5=48 Exploring Operation: 43+23=66, Resulting Numbers: [96, 5, 66] Generated Node #0,4: 71:[96, 5, 66] Operation: 43+23=66 Start Sub Search at level 1: Moving to Node #0,0 Current State: 71:[43, 5, 73], Operations: ['96-23=73'] Exploring Operation: 43+5=48, Resulting Numbers: [73, 48] Generated Node #0,0,0: 71:[73, 48] Operation: 43+5=48 Exploring Operation: 43-5=38, Resulting Numbers: [73, 38] Generated Node #0,0,1: 71:[73, 38] Operation: 43-5=38 Exploring Operation: 73-43=30, Resulting Numbers: [5, 30] Generated Node #0,0,2: 71:[5, 30] Operation: 73-43=30 Exploring Operation: 5+73=78, Resulting Numbers: [43, 78] Generated Node #0,0,3: 71:[43, 78] Operation: 5+73=78 Exploring Operation: 73-5=68, Resulting Numbers: [43, 68] Generated Node #0,0,4: 71:[43, 68] Operation: 73-5=68 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 71:[73, 48], Operations: ['96-23=73', '43+5=48'] Exploring Operation: 73+48=121, Resulting Numbers: [121] 121,71 unequal: No Solution Exploring Operation: 73-48=25, Resulting Numbers: [25] 25,71 unequal: No Solution Exploring Operation: 73*48=3504, Resulting Numbers: [3504] 3504,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 71:[43, 68], Operations: ['96-23=73', '73-5=68'] Exploring Operation: 43+68=111, Resulting Numbers: [111] 111,71 unequal: No Solution Exploring Operation: 68-43=25, Resulting Numbers: [25] 25,71 unequal: No Solution Exploring Operation: 43*68=2924, Resulting Numbers: [2924] 2924,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 71:[73, 38], Operations: ['96-23=73', '43-5=38'] Exploring Operation: 73+38=111, Resulting Numbers: [111] 111,71 unequal: No Solution Exploring Operation: 73*38=2774, Resulting Numbers: [2774] 2774,71 unequal: No Solution Exploring Operation: 73-38=35, Resulting Numbers: [35] 35,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 71:[43, 78], Operations: ['96-23=73', '5+73=78'] Exploring Operation: 43+78=121, Resulting Numbers: [121] 121,71 unequal: No Solution Exploring Operation: 43*78=3354, Resulting Numbers: [3354] 3354,71 unequal: No Solution Exploring Operation: 78-43=35, Resulting Numbers: [35] 35,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 71:[5, 30], Operations: ['96-23=73', '73-43=30'] Exploring Operation: 5*30=150, Resulting Numbers: [150] 150,71 unequal: No Solution Exploring Operation: 30-5=25, Resulting Numbers: [25] 25,71 unequal: No Solution Exploring Operation: 5+30=35, Resulting Numbers: [35] 35,71 unequal: No Solution Exploring Operation: 30/5=6, Resulting Numbers: [6] 6,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 71:[43, 23, 91], Operations: ['96-5=91'] Exploring Operation: 91-43=48, Resulting Numbers: [23, 48] Generated Node #0,1,0: 71:[23, 48] Operation: 91-43=48 Exploring Operation: 23+91=114, Resulting Numbers: [43, 114] Generated Node #0,1,1: 71:[43, 114] Operation: 23+91=114 Exploring Operation: 43+23=66, Resulting Numbers: [91, 66] Generated Node #0,1,2: 71:[91, 66] Operation: 43+23=66 Exploring Operation: 91-23=68, Resulting Numbers: [43, 68] Generated Node #0,1,3: 71:[43, 68] Operation: 91-23=68 Exploring Operation: 43-23=20, Resulting Numbers: [91, 20] Generated Node #0,1,4: 71:[91, 20] Operation: 43-23=20 Moving to Node #0,1,2 Current State: 71:[91, 66], Operations: ['96-5=91', '43+23=66'] Exploring Operation: 91-66=25, Resulting Numbers: [25] 25,71 unequal: No Solution Exploring Operation: 91*66=6006, Resulting Numbers: [6006] 6006,71 unequal: No Solution Exploring Operation: 91+66=157, Resulting Numbers: [157] 157,71 unequal: No Solution Moving to Node #0,1,3 Current State: 71:[43, 68], Operations: ['96-5=91', '91-23=68'] Exploring Operation: 43*68=2924, Resulting Numbers: [2924] 2924,71 unequal: No Solution Exploring Operation: 43+68=111, Resulting Numbers: [111] 111,71 unequal: No Solution Exploring Operation: 68-43=25, Resulting Numbers: [25] 25,71 unequal: No Solution Moving to Node #0,1,0 Current State: 71:[23, 48], Operations: ['96-5=91', '91-43=48'] Exploring Operation: 23*48=1104, Resulting Numbers: [1104] 1104,71 unequal: No Solution Exploring Operation: 48-23=25, Resulting Numbers: [25] 25,71 unequal: No Solution Exploring Operation: 23+48=71, Resulting Numbers: [71] 71,71 equal: Goal Reached Moving to Node #0 Current State: 71:[96, 43, 5, 23], Operations: [] Exploring Operation: 96-5=91, Resulting Numbers: [43, 23, 91] Generated Node #0,1: 71:[43, 23, 91] Operation: 96-5=91 Moving to Node #0,1 Current State: 71:[43, 23, 91], Operations: ['96-5=91'] Exploring Operation: 91-43=48, Resulting Numbers: [23, 48] Generated Node #0,1,0: 71:[23, 48] Operation: 91-43=48 Moving to Node #0,1,0 Current State: 71:[23, 48], Operations: ['96-5=91', '91-43=48'] Exploring Operation: 23+48=71, Resulting Numbers: [71] 71,71 equal: Goal Reached Exit Sub Search at level 1
0.961806
hs_5
sum_heuristic
[ 97, 14, 23, 31 ]
57
[ "97+14=111", "23+31=54", "111-54=57" ]
Current State: 57:[97, 14, 23, 31], Operations: [] Exploring Operation: 97+14=111, Resulting Numbers: [23, 31, 111] Generated Node #2: [23, 31, 111] from Operation: 97+14=111 Current State: 57:[23, 31, 111], Operations: ['97+14=111'] Exploring Operation: 23+31=54, Resulting Numbers: [111, 54] Generated Node #3: [111, 54] from Operation: 23+31=54 Current State: 57:[111, 54], Operations: ['97+14=111', '23+31=54'] Exploring Operation: 111-54=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
4
Current State: 57:[97, 14, 23, 31], Operations: [] Exploring Operation: 97-31=66, Resulting Numbers: [14, 23, 66] Generated Node #0,0: 57:[14, 23, 66] Operation: 97-31=66 Exploring Operation: 97-23=74, Resulting Numbers: [14, 31, 74] Generated Node #0,1: 57:[14, 31, 74] Operation: 97-23=74 Moving to Node #0,0 Current State: 57:[14, 23, 66], Operations: ['97-31=66'] Exploring Operation: 23-14=9, Resulting Numbers: [66, 9] Generated Node #0,0,0: 57:[66, 9] Operation: 23-14=9 Exploring Operation: 66-14=52, Resulting Numbers: [23, 52] Generated Node #0,0,1: 57:[23, 52] Operation: 66-14=52 Moving to Node #0,1 Current State: 57:[14, 31, 74], Operations: ['97-23=74'] Exploring Operation: 74-14=60, Resulting Numbers: [31, 60] Generated Node #0,1,0: 57:[31, 60] Operation: 74-14=60 Exploring Operation: 31-14=17, Resulting Numbers: [74, 17] Generated Node #0,1,1: 57:[74, 17] Operation: 31-14=17 Moving to Node #0,0,1 Current State: 57:[23, 52], Operations: ['97-31=66', '66-14=52'] Exploring Operation: 52-23=29, Resulting Numbers: [29] 29,57 unequal: No Solution Exploring Operation: 23+52=75, Resulting Numbers: [75] 75,57 unequal: No Solution Moving to Node #0,1,0 Current State: 57:[31, 60], Operations: ['97-23=74', '74-14=60'] Exploring Operation: 60-31=29, Resulting Numbers: [29] 29,57 unequal: No Solution Exploring Operation: 31+60=91, Resulting Numbers: [91] 91,57 unequal: No Solution Moving to Node #0,0,0 Current State: 57:[66, 9], Operations: ['97-31=66', '23-14=9'] Exploring Operation: 66-9=57, Resulting Numbers: [57] 57,57 equal: Goal Reached Moving to Node #0 Current State: 57:[97, 14, 23, 31], Operations: [] Exploring Operation: 97-31=66, Resulting Numbers: [14, 23, 66] Generated Node #0,0: 57:[14, 23, 66] Operation: 97-31=66 Moving to Node #0,0 Current State: 57:[14, 23, 66], Operations: ['97-31=66'] Exploring Operation: 23-14=9, Resulting Numbers: [66, 9] Generated Node #0,0,0: 57:[66, 9] Operation: 23-14=9 Moving to Node #0,0,0 Current State: 57:[66, 9], Operations: ['97-31=66', '23-14=9'] Exploring Operation: 66-9=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
0.986979
hs_2
sum_heuristic
[ 29, 90, 26, 20 ]
67
[ "90-29=61", "26-20=6", "61+6=67" ]
Current State: 67:[29, 90, 26, 20], Operations: [] Exploring Operation: 90-29=61, Resulting Numbers: [26, 20, 61] Generated Node #2: [26, 20, 61] from Operation: 90-29=61 Current State: 67:[26, 20, 61], Operations: ['90-29=61'] Exploring Operation: 26-20=6, Resulting Numbers: [61, 6] Generated Node #3: [61, 6] from Operation: 26-20=6 Current State: 67:[61, 6], Operations: ['90-29=61', '26-20=6'] Exploring Operation: 61+6=67, Resulting Numbers: [67] 67,67 equal: Goal Reached
4
Current State: 67:[29, 90, 26, 20], Operations: [] Exploring Operation: 90-20=70, Resulting Numbers: [29, 26, 70] Generated Node #0,0: 67:[29, 26, 70] Operation: 90-20=70 Exploring Operation: 29+20=49, Resulting Numbers: [90, 26, 49] Generated Node #0,1: 67:[90, 26, 49] Operation: 29+20=49 Exploring Operation: 29+26=55, Resulting Numbers: [90, 20, 55] Generated Node #0,2: 67:[90, 20, 55] Operation: 29+26=55 Moving to Node #0,0 Current State: 67:[29, 26, 70], Operations: ['90-20=70'] Exploring Operation: 29+26=55, Resulting Numbers: [70, 55] Generated Node #0,0,0: 67:[70, 55] Operation: 29+26=55 Exploring Operation: 70-26=44, Resulting Numbers: [29, 44] Generated Node #0,0,1: 67:[29, 44] Operation: 70-26=44 Exploring Operation: 29-26=3, Resulting Numbers: [70, 3] Generated Node #0,0,2: 67:[70, 3] Operation: 29-26=3 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 67:[70, 55], Operations: ['90-20=70', '29+26=55'] Exploring Operation: 70*55=3850, Resulting Numbers: [3850] 3850,67 unequal: No Solution Exploring Operation: 70-55=15, Resulting Numbers: [15] 15,67 unequal: No Solution Exploring Operation: 70+55=125, Resulting Numbers: [125] 125,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 67:[29, 44], Operations: ['90-20=70', '70-26=44'] Exploring Operation: 29+44=73, Resulting Numbers: [73] 73,67 unequal: No Solution Exploring Operation: 44-29=15, Resulting Numbers: [15] 15,67 unequal: No Solution Exploring Operation: 29*44=1276, Resulting Numbers: [1276] 1276,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 67:[70, 3], Operations: ['90-20=70', '29-26=3'] Exploring Operation: 70-3=67, Resulting Numbers: [67] 67,67 equal: Goal Reached Moving to Node #0 Current State: 67:[29, 90, 26, 20], Operations: [] Exploring Operation: 90-20=70, Resulting Numbers: [29, 26, 70] Generated Node #0,0: 67:[29, 26, 70] Operation: 90-20=70 Moving to Node #0,0 Current State: 67:[29, 26, 70], Operations: ['90-20=70'] Exploring Operation: 29-26=3, Resulting Numbers: [70, 3] Generated Node #0,0,2: 67:[70, 3] Operation: 29-26=3 Moving to Node #0,0,2 Current State: 67:[70, 3], Operations: ['90-20=70', '29-26=3'] Exploring Operation: 70-3=67, Resulting Numbers: [67] 67,67 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_3
sum_heuristic
[ 63, 32, 52, 83 ]
68
[ "52*83=4316", "4316-32=4284", "4284/63=68" ]
Current State: 68:[63, 32, 52, 83], Operations: [] Exploring Operation: 52*83=4316, Resulting Numbers: [63, 32, 4316] Generated Node #2: [63, 32, 4316] from Operation: 52*83=4316 Current State: 68:[63, 32, 4316], Operations: ['52*83=4316'] Exploring Operation: 4316-32=4284, Resulting Numbers: [63, 4284] Generated Node #3: [63, 4284] from Operation: 4316-32=4284 Current State: 68:[63, 4284], Operations: ['52*83=4316', '4316-32=4284'] Exploring Operation: 4284/63=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
4
Current State: 68:[63, 32, 52, 83], Operations: [] Exploring Operation: 83-63=20, Resulting Numbers: [32, 52, 20] Generated Node #0,0: 68:[32, 52, 20] Operation: 83-63=20 Exploring Operation: 83-52=31, Resulting Numbers: [63, 32, 31] Generated Node #0,1: 68:[63, 32, 31] Operation: 83-52=31 Start Sub Search at level 1: Moving to Node #0,1 Current State: 68:[63, 32, 31], Operations: ['83-52=31'] Exploring Operation: 63-32=31, Resulting Numbers: [31, 31] Generated Node #0,1,0: 68:[31, 31] Operation: 63-32=31 Exploring Operation: 63-31=32, Resulting Numbers: [32, 32] Generated Node #0,1,1: 68:[32, 32] Operation: 63-31=32 Moving to Node #0,1,1 Current State: 68:[32, 32], Operations: ['83-52=31', '63-31=32'] Exploring Operation: 32-32=0, Resulting Numbers: [0] 0,68 unequal: No Solution Exploring Operation: 32/32=1, Resulting Numbers: [1] 1,68 unequal: No Solution Moving to Node #0,1,0 Current State: 68:[31, 31], Operations: ['83-52=31', '63-32=31'] Exploring Operation: 31-31=0, Resulting Numbers: [0] 0,68 unequal: No Solution Exploring Operation: 31/31=1, Resulting Numbers: [1] 1,68 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 68:[32, 52, 20], Operations: ['83-63=20'] Exploring Operation: 52-32=20, Resulting Numbers: [20, 20] Generated Node #0,0,0: 68:[20, 20] Operation: 52-32=20 Exploring Operation: 52-20=32, Resulting Numbers: [32, 32] Generated Node #0,0,1: 68:[32, 32] Operation: 52-20=32 Moving to Node #0,0,1 Current State: 68:[32, 32], Operations: ['83-63=20', '52-20=32'] Exploring Operation: 32/32=1, Resulting Numbers: [1] 1,68 unequal: No Solution Exploring Operation: 32-32=0, Resulting Numbers: [0] 0,68 unequal: No Solution Moving to Node #0,0,0 Current State: 68:[20, 20], Operations: ['83-63=20', '52-32=20'] Exploring Operation: 20-20=0, Resulting Numbers: [0] 0,68 unequal: No Solution Exploring Operation: 20/20=1, Resulting Numbers: [1] 1,68 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
[ 60, 69, 87, 99 ]
89
[ "99-69=30", "60/30=2", "87+2=89" ]
Current State: 89:[60, 69, 87, 99], Operations: [] Exploring Operation: 99-69=30, Resulting Numbers: [60, 87, 30] Generated Node #2: [60, 87, 30] from Operation: 99-69=30 Current State: 89:[60, 87, 30], Operations: ['99-69=30'] Exploring Operation: 60/30=2, Resulting Numbers: [87, 2] Generated Node #3: [87, 2] from Operation: 60/30=2 Current State: 89:[87, 2], Operations: ['99-69=30', '60/30=2'] Exploring Operation: 87+2=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
4
Current State: 89:[60, 69, 87, 99], Operations: [] Exploring Operation: 69-60=9, Resulting Numbers: [87, 99, 9] Generated Node #0,0: 89:[87, 99, 9] Operation: 69-60=9 Exploring Operation: 60+69=129, Resulting Numbers: [87, 99, 129] Generated Node #0,1: 89:[87, 99, 129] Operation: 60+69=129 Exploring Operation: 99-69=30, Resulting Numbers: [60, 87, 30] Generated Node #0,2: 89:[60, 87, 30] Operation: 99-69=30 Exploring Operation: 60+87=147, Resulting Numbers: [69, 99, 147] Generated Node #0,3: 89:[69, 99, 147] Operation: 60+87=147 Exploring Operation: 99-60=39, Resulting Numbers: [69, 87, 39] Generated Node #0,4: 89:[69, 87, 39] Operation: 99-60=39 Start Sub Search at level 1: Moving to Node #0,1 Current State: 89:[87, 99, 129], Operations: ['60+69=129'] Exploring Operation: 129-99=30, Resulting Numbers: [87, 30] Generated Node #0,1,0: 89:[87, 30] Operation: 129-99=30 Exploring Operation: 129-87=42, Resulting Numbers: [99, 42] Generated Node #0,1,1: 89:[99, 42] Operation: 129-87=42 Exploring Operation: 99-87=12, Resulting Numbers: [129, 12] Generated Node #0,1,2: 89:[129, 12] Operation: 99-87=12 Exploring Operation: 87+129=216, Resulting Numbers: [99, 216] Generated Node #0,1,3: 89:[99, 216] Operation: 87+129=216 Exploring Operation: 87+99=186, Resulting Numbers: [129, 186] Generated Node #0,1,4: 89:[129, 186] Operation: 87+99=186 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 89:[99, 42], Operations: ['60+69=129', '129-87=42'] Exploring Operation: 99-42=57, Resulting Numbers: [57] 57,89 unequal: No Solution Exploring Operation: 99+42=141, Resulting Numbers: [141] 141,89 unequal: No Solution Exploring Operation: 99*42=4158, Resulting Numbers: [4158] 4158,89 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 89:[87, 30], Operations: ['60+69=129', '129-99=30'] Exploring Operation: 87-30=57, Resulting Numbers: [57] 57,89 unequal: No Solution Exploring Operation: 87+30=117, Resulting Numbers: [117] 117,89 unequal: No Solution Exploring Operation: 87*30=2610, Resulting Numbers: [2610] 2610,89 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 89:[129, 12], Operations: ['60+69=129', '99-87=12'] Exploring Operation: 129*12=1548, Resulting Numbers: [1548] 1548,89 unequal: No Solution Exploring Operation: 129-12=117, Resulting Numbers: [117] 117,89 unequal: No Solution Exploring Operation: 129+12=141, Resulting Numbers: [141] 141,89 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 89:[99, 216], Operations: ['60+69=129', '87+129=216'] Exploring Operation: 99*216=21384, Resulting Numbers: [21384] 21384,89 unequal: No Solution Exploring Operation: 99+216=315, Resulting Numbers: [315] 315,89 unequal: No Solution Exploring Operation: 216-99=117, Resulting Numbers: [117] 117,89 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 89:[129, 186], Operations: ['60+69=129', '87+99=186'] Exploring Operation: 186-129=57, Resulting Numbers: [57] 57,89 unequal: No Solution Exploring Operation: 129+186=315, Resulting Numbers: [315] 315,89 unequal: No Solution Exploring Operation: 129*186=23994, Resulting Numbers: [23994] 23994,89 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: 89:[69, 87, 39], Operations: ['99-60=39'] Exploring Operation: 69+39=108, Resulting Numbers: [87, 108] Generated Node #0,4,0: 89:[87, 108] Operation: 69+39=108 Exploring Operation: 69-39=30, Resulting Numbers: [87, 30] Generated Node #0,4,1: 89:[87, 30] Operation: 69-39=30 Exploring Operation: 87+39=126, Resulting Numbers: [69, 126] Generated Node #0,4,2: 89:[69, 126] Operation: 87+39=126 Exploring Operation: 69+87=156, Resulting Numbers: [39, 156] Generated Node #0,4,3: 89:[39, 156] Operation: 69+87=156 Exploring Operation: 87-39=48, Resulting Numbers: [69, 48] Generated Node #0,4,4: 89:[69, 48] Operation: 87-39=48 Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 89:[87, 108], Operations: ['99-60=39', '69+39=108'] Exploring Operation: 108-87=21, Resulting Numbers: [21] 21,89 unequal: No Solution Exploring Operation: 87+108=195, Resulting Numbers: [195] 195,89 unequal: No Solution Exploring Operation: 87*108=9396, Resulting Numbers: [9396] 9396,89 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 89:[69, 126], Operations: ['99-60=39', '87+39=126'] Exploring Operation: 126-69=57, Resulting Numbers: [57] 57,89 unequal: No Solution Exploring Operation: 69+126=195, Resulting Numbers: [195] 195,89 unequal: No Solution Exploring Operation: 69*126=8694, Resulting Numbers: [8694] 8694,89 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 89:[87, 30], Operations: ['99-60=39', '69-39=30'] Exploring Operation: 87*30=2610, Resulting Numbers: [2610] 2610,89 unequal: No Solution Exploring Operation: 87-30=57, Resulting Numbers: [57] 57,89 unequal: No Solution Exploring Operation: 87+30=117, Resulting Numbers: [117] 117,89 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 89:[69, 48], Operations: ['99-60=39', '87-39=48'] Exploring Operation: 69+48=117, Resulting Numbers: [117] 117,89 unequal: No Solution Exploring Operation: 69-48=21, Resulting Numbers: [21] 21,89 unequal: No Solution Exploring Operation: 69*48=3312, Resulting Numbers: [3312] 3312,89 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 89:[39, 156], Operations: ['99-60=39', '69+87=156'] Exploring Operation: 39*156=6084, Resulting Numbers: [6084] 6084,89 unequal: No Solution Exploring Operation: 156/39=4, Resulting Numbers: [4] 4,89 unequal: No Solution Exploring Operation: 156-39=117, Resulting Numbers: [117] 117,89 unequal: No Solution Exploring Operation: 39+156=195, Resulting Numbers: [195] 195,89 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: 89:[69, 99, 147], Operations: ['60+87=147'] Exploring Operation: 147-69=78, Resulting Numbers: [99, 78] Generated Node #0,3,0: 89:[99, 78] Operation: 147-69=78 Exploring Operation: 147-99=48, Resulting Numbers: [69, 48] Generated Node #0,3,1: 89:[69, 48] Operation: 147-99=48 Exploring Operation: 99-69=30, Resulting Numbers: [147, 30] Generated Node #0,3,2: 89:[147, 30] Operation: 99-69=30 Exploring Operation: 69+147=216, Resulting Numbers: [99, 216] Generated Node #0,3,3: 89:[99, 216] Operation: 69+147=216 Exploring Operation: 69+99=168, Resulting Numbers: [147, 168] Generated Node #0,3,4: 89:[147, 168] Operation: 69+99=168 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 89:[99, 78], Operations: ['60+87=147', '147-69=78'] Exploring Operation: 99+78=177, Resulting Numbers: [177] 177,89 unequal: No Solution Exploring Operation: 99-78=21, Resulting Numbers: [21] 21,89 unequal: No Solution Exploring Operation: 99*78=7722, Resulting Numbers: [7722] 7722,89 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 89:[69, 48], Operations: ['60+87=147', '147-99=48'] Exploring Operation: 69+48=117, Resulting Numbers: [117] 117,89 unequal: No Solution Exploring Operation: 69*48=3312, Resulting Numbers: [3312] 3312,89 unequal: No Solution Exploring Operation: 69-48=21, Resulting Numbers: [21] 21,89 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 89:[147, 30], Operations: ['60+87=147', '99-69=30'] Exploring Operation: 147-30=117, Resulting Numbers: [117] 117,89 unequal: No Solution Exploring Operation: 147*30=4410, Resulting Numbers: [4410] 4410,89 unequal: No Solution Exploring Operation: 147+30=177, Resulting Numbers: [177] 177,89 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 89:[99, 216], Operations: ['60+87=147', '69+147=216'] Exploring Operation: 99*216=21384, Resulting Numbers: [21384] 21384,89 unequal: No Solution Exploring Operation: 99+216=315, Resulting Numbers: [315] 315,89 unequal: No Solution Exploring Operation: 216-99=117, Resulting Numbers: [117] 117,89 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 89:[147, 168], Operations: ['60+87=147', '69+99=168'] Exploring Operation: 147*168=24696, Resulting Numbers: [24696] 24696,89 unequal: No Solution Exploring Operation: 147+168=315, Resulting Numbers: [315] 315,89 unequal: No Solution Exploring Operation: 168-147=21, Resulting Numbers: [21] 21,89 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: 89:[60, 87, 30], Operations: ['99-69=30'] Exploring Operation: 87-30=57, Resulting Numbers: [60, 57] Generated Node #0,2,0: 89:[60, 57] Operation: 87-30=57 Exploring Operation: 60+30=90, Resulting Numbers: [87, 90] Generated Node #0,2,1: 89:[87, 90] Operation: 60+30=90 Exploring Operation: 60-30=30, Resulting Numbers: [87, 30] Generated Node #0,2,2: 89:[87, 30] Operation: 60-30=30 Exploring Operation: 87+30=117, Resulting Numbers: [60, 117] Generated Node #0,2,3: 89:[60, 117] Operation: 87+30=117 Exploring Operation: 60/30=2, Resulting Numbers: [87, 2] Generated Node #0,2,4: 89:[87, 2] Operation: 60/30=2 Moving to Node #0,2,1 Current State: 89:[87, 90], Operations: ['99-69=30', '60+30=90'] Exploring Operation: 87+90=177, Resulting Numbers: [177] 177,89 unequal: No Solution Exploring Operation: 90-87=3, Resulting Numbers: [3] 3,89 unequal: No Solution Exploring Operation: 87*90=7830, Resulting Numbers: [7830] 7830,89 unequal: No Solution Moving to Node #0,2,3 Current State: 89:[60, 117], Operations: ['99-69=30', '87+30=117'] Exploring Operation: 60+117=177, Resulting Numbers: [177] 177,89 unequal: No Solution Exploring Operation: 117-60=57, Resulting Numbers: [57] 57,89 unequal: No Solution Exploring Operation: 60*117=7020, Resulting Numbers: [7020] 7020,89 unequal: No Solution Moving to Node #0,2,0 Current State: 89:[60, 57], Operations: ['99-69=30', '87-30=57'] Exploring Operation: 60*57=3420, Resulting Numbers: [3420] 3420,89 unequal: No Solution Exploring Operation: 60+57=117, Resulting Numbers: [117] 117,89 unequal: No Solution Exploring Operation: 60-57=3, Resulting Numbers: [3] 3,89 unequal: No Solution Moving to Node #0,2,2 Current State: 89:[87, 30], Operations: ['99-69=30', '60-30=30'] Exploring Operation: 87+30=117, Resulting Numbers: [117] 117,89 unequal: No Solution Exploring Operation: 87*30=2610, Resulting Numbers: [2610] 2610,89 unequal: No Solution Exploring Operation: 87-30=57, Resulting Numbers: [57] 57,89 unequal: No Solution Moving to Node #0,2,4 Current State: 89:[87, 2], Operations: ['99-69=30', '60/30=2'] Exploring Operation: 87-2=85, Resulting Numbers: [85] 85,89 unequal: No Solution Exploring Operation: 87+2=89, Resulting Numbers: [89] 89,89 equal: Goal Reached Moving to Node #0 Current State: 89:[60, 69, 87, 99], Operations: [] Exploring Operation: 99-69=30, Resulting Numbers: [60, 87, 30] Generated Node #0,2: 89:[60, 87, 30] Operation: 99-69=30 Moving to Node #0,2 Current State: 89:[60, 87, 30], Operations: ['99-69=30'] Exploring Operation: 60/30=2, Resulting Numbers: [87, 2] Generated Node #0,2,4: 89:[87, 2] Operation: 60/30=2 Moving to Node #0,2,4 Current State: 89:[87, 2], Operations: ['99-69=30', '60/30=2'] Exploring Operation: 87+2=89, Resulting Numbers: [89] 89,89 equal: Goal Reached Exit Sub Search at level 1
0.922743
hs_5
mult_heuristic
[ 32, 69, 43, 8 ]
72
[ "69-32=37", "43-8=35", "37+35=72" ]
Current State: 72:[32, 69, 43, 8], Operations: [] Exploring Operation: 69-32=37, Resulting Numbers: [43, 8, 37] Generated Node #2: [43, 8, 37] from Operation: 69-32=37 Current State: 72:[43, 8, 37], Operations: ['69-32=37'] Exploring Operation: 43-8=35, Resulting Numbers: [37, 35] Generated Node #3: [37, 35] from Operation: 43-8=35 Current State: 72:[37, 35], Operations: ['69-32=37', '43-8=35'] Exploring Operation: 37+35=72, Resulting Numbers: [72] 72,72 equal: Goal Reached
4
Current State: 72:[32, 69, 43, 8], Operations: [] Exploring Operation: 69-32=37, Resulting Numbers: [43, 8, 37] Generated Node #0,0: 72:[43, 8, 37] Operation: 69-32=37 Exploring Operation: 43-32=11, Resulting Numbers: [69, 8, 11] Generated Node #0,1: 72:[69, 8, 11] Operation: 43-32=11 Exploring Operation: 32+43=75, Resulting Numbers: [69, 8, 75] Generated Node #0,2: 72:[69, 8, 75] Operation: 32+43=75 Exploring Operation: 69-43=26, Resulting Numbers: [32, 8, 26] Generated Node #0,3: 72:[32, 8, 26] Operation: 69-43=26 Start Sub Search at level 1: Moving to Node #0,1 Current State: 72:[69, 8, 11], Operations: ['43-32=11'] Exploring Operation: 69+8=77, Resulting Numbers: [11, 77] Generated Node #0,1,0: 72:[11, 77] Operation: 69+8=77 Exploring Operation: 11-8=3, Resulting Numbers: [69, 3] Generated Node #0,1,1: 72:[69, 3] Operation: 11-8=3 Exploring Operation: 69+11=80, Resulting Numbers: [8, 80] Generated Node #0,1,2: 72:[8, 80] Operation: 69+11=80 Exploring Operation: 8+11=19, Resulting Numbers: [69, 19] Generated Node #0,1,3: 72:[69, 19] Operation: 8+11=19 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 72:[69, 3], Operations: ['43-32=11', '11-8=3'] Exploring Operation: 69/3=23, Resulting Numbers: [23] 23,72 unequal: No Solution Exploring Operation: 69*3=207, Resulting Numbers: [207] 207,72 unequal: No Solution Exploring Operation: 69-3=66, Resulting Numbers: [66] 66,72 unequal: No Solution Exploring Operation: 69+3=72, Resulting Numbers: [72] 72,72 equal: Goal Reached Moving to Node #0 Current State: 72:[32, 69, 43, 8], Operations: [] Exploring Operation: 43-32=11, Resulting Numbers: [69, 8, 11] Generated Node #0,1: 72:[69, 8, 11] Operation: 43-32=11 Moving to Node #0,1 Current State: 72:[69, 8, 11], Operations: ['43-32=11'] Exploring Operation: 11-8=3, Resulting Numbers: [69, 3] Generated Node #0,1,1: 72:[69, 3] Operation: 11-8=3 Moving to Node #0,1,1 Current State: 72:[69, 3], Operations: ['43-32=11', '11-8=3'] Exploring Operation: 69+3=72, Resulting Numbers: [72] 72,72 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986111
hs_4
sum_heuristic
[ 55, 44, 3, 78 ]
37
[ "55-44=11", "78/3=26", "11+26=37" ]
Current State: 37:[55, 44, 3, 78], Operations: [] Exploring Operation: 55-44=11, Resulting Numbers: [3, 78, 11] Generated Node #2: [3, 78, 11] from Operation: 55-44=11 Current State: 37:[3, 78, 11], Operations: ['55-44=11'] Exploring Operation: 78/3=26, Resulting Numbers: [11, 26] Generated Node #3: [11, 26] from Operation: 78/3=26 Current State: 37:[11, 26], Operations: ['55-44=11', '78/3=26'] Exploring Operation: 11+26=37, Resulting Numbers: [37] 37,37 equal: Goal Reached
4
Current State: 37:[55, 44, 3, 78], Operations: [] Exploring Operation: 78-55=23, Resulting Numbers: [44, 3, 23] Generated Node #0,0: 37:[44, 3, 23] Operation: 78-55=23 Exploring Operation: 55-3=52, Resulting Numbers: [44, 78, 52] Generated Node #0,1: 37:[44, 78, 52] Operation: 55-3=52 Exploring Operation: 78-44=34, Resulting Numbers: [55, 3, 34] Generated Node #0,2: 37:[55, 3, 34] Operation: 78-44=34 Exploring Operation: 78/3=26, Resulting Numbers: [55, 44, 26] Generated Node #0,3: 37:[55, 44, 26] Operation: 78/3=26 Start Sub Search at level 1: Moving to Node #0,3 Current State: 37:[55, 44, 26], Operations: ['78/3=26'] Exploring Operation: 55-44=11, Resulting Numbers: [26, 11] Generated Node #0,3,0: 37:[26, 11] Operation: 55-44=11 Exploring Operation: 55-26=29, Resulting Numbers: [44, 29] Generated Node #0,3,1: 37:[44, 29] Operation: 55-26=29 Exploring Operation: 44-26=18, Resulting Numbers: [55, 18] Generated Node #0,3,2: 37:[55, 18] Operation: 44-26=18 Exploring Operation: 55+26=81, Resulting Numbers: [44, 81] Generated Node #0,3,3: 37:[44, 81] Operation: 55+26=81 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 37:[44, 29], Operations: ['78/3=26', '55-26=29'] Exploring Operation: 44*29=1276, Resulting Numbers: [1276] 1276,37 unequal: No Solution Exploring Operation: 44-29=15, Resulting Numbers: [15] 15,37 unequal: No Solution Exploring Operation: 44+29=73, Resulting Numbers: [73] 73,37 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 #0,3,0 Current State: 37:[26, 11], Operations: ['78/3=26', '55-44=11'] Exploring Operation: 26+11=37, Resulting Numbers: [37] 37,37 equal: Goal Reached Moving to Node #0 Current State: 37:[55, 44, 3, 78], Operations: [] Exploring Operation: 78/3=26, Resulting Numbers: [55, 44, 26] Generated Node #0,3: 37:[55, 44, 26] Operation: 78/3=26 Moving to Node #0,3 Current State: 37:[55, 44, 26], Operations: ['78/3=26'] Exploring Operation: 55-44=11, Resulting Numbers: [26, 11] Generated Node #0,3,0: 37:[26, 11] Operation: 55-44=11 Moving to Node #0,3,0 Current State: 37:[26, 11], Operations: ['78/3=26', '55-44=11'] Exploring Operation: 26+11=37, Resulting Numbers: [37] 37,37 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986111
hs_4
mult_heuristic
[ 2, 91, 86, 21 ]
37
[ "2*21=42", "91-86=5", "42-5=37" ]
Current State: 37:[2, 91, 86, 21], Operations: [] Exploring Operation: 2*21=42, Resulting Numbers: [91, 86, 42] Generated Node #2: [91, 86, 42] from Operation: 2*21=42 Current State: 37:[91, 86, 42], Operations: ['2*21=42'] Exploring Operation: 91-86=5, Resulting Numbers: [42, 5] Generated Node #3: [42, 5] from Operation: 91-86=5 Current State: 37:[42, 5], Operations: ['2*21=42', '91-86=5'] Exploring Operation: 42-5=37, Resulting Numbers: [37] 37,37 equal: Goal Reached
4
Current State: 37:[2, 91, 86, 21], Operations: [] Exploring Operation: 86-2=84, Resulting Numbers: [91, 21, 84] Generated Node #0,0: 37:[91, 21, 84] Operation: 86-2=84 Exploring Operation: 91-2=89, Resulting Numbers: [86, 21, 89] Generated Node #0,1: 37:[86, 21, 89] Operation: 91-2=89 Exploring Operation: 91-86=5, Resulting Numbers: [2, 21, 5] Generated Node #0,2: 37:[2, 21, 5] Operation: 91-86=5 Exploring Operation: 86/2=43, Resulting Numbers: [91, 21, 43] Generated Node #0,3: 37:[91, 21, 43] Operation: 86/2=43 Exploring Operation: 2*21=42, Resulting Numbers: [91, 86, 42] Generated Node #0,4: 37:[91, 86, 42] Operation: 2*21=42 Moving to Node #0,3 Current State: 37:[91, 21, 43], Operations: ['86/2=43'] Exploring Operation: 91+21=112, Resulting Numbers: [43, 112] Generated Node #0,3,0: 37:[43, 112] Operation: 91+21=112 Exploring Operation: 21+43=64, Resulting Numbers: [91, 64] Generated Node #0,3,1: 37:[91, 64] Operation: 21+43=64 Exploring Operation: 43-21=22, Resulting Numbers: [91, 22] Generated Node #0,3,2: 37:[91, 22] Operation: 43-21=22 Exploring Operation: 91-43=48, Resulting Numbers: [21, 48] Generated Node #0,3,3: 37:[21, 48] Operation: 91-43=48 Exploring Operation: 91-21=70, Resulting Numbers: [43, 70] Generated Node #0,3,4: 37:[43, 70] Operation: 91-21=70 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 37:[21, 48], Operations: ['86/2=43', '91-43=48'] Exploring Operation: 21*48=1008, Resulting Numbers: [1008] 1008,37 unequal: No Solution Exploring Operation: 48-21=27, Resulting Numbers: [27] 27,37 unequal: No Solution Exploring Operation: 21+48=69, Resulting Numbers: [69] 69,37 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 #0,3,4 Current State: 37:[43, 70], Operations: ['86/2=43', '91-21=70'] Exploring Operation: 43+70=113, Resulting Numbers: [113] 113,37 unequal: No Solution Exploring Operation: 70-43=27, Resulting Numbers: [27] 27,37 unequal: No Solution Exploring Operation: 43*70=3010, Resulting Numbers: [3010] 3010,37 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 #0,3,2 Current State: 37:[91, 22], Operations: ['86/2=43', '43-21=22'] Exploring Operation: 91+22=113, Resulting Numbers: [113] 113,37 unequal: No Solution Exploring Operation: 91*22=2002, Resulting Numbers: [2002] 2002,37 unequal: No Solution Exploring Operation: 91-22=69, Resulting Numbers: [69] 69,37 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 #0,3,0 Current State: 37:[43, 112], Operations: ['86/2=43', '91+21=112'] Exploring Operation: 43*112=4816, Resulting Numbers: [4816] 4816,37 unequal: No Solution Exploring Operation: 112-43=69, Resulting Numbers: [69] 69,37 unequal: No Solution Exploring Operation: 43+112=155, Resulting Numbers: [155] 155,37 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 #0,3,1 Current State: 37:[91, 64], Operations: ['86/2=43', '21+43=64'] Exploring Operation: 91+64=155, Resulting Numbers: [155] 155,37 unequal: No Solution Exploring Operation: 91-64=27, Resulting Numbers: [27] 27,37 unequal: No Solution Exploring Operation: 91*64=5824, Resulting Numbers: [5824] 5824,37 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: 37:[2, 21, 5], Operations: ['91-86=5'] Exploring Operation: 2+5=7, Resulting Numbers: [21, 7] Generated Node #0,2,0: 37:[21, 7] Operation: 2+5=7 Exploring Operation: 21+5=26, Resulting Numbers: [2, 26] Generated Node #0,2,1: 37:[2, 26] Operation: 21+5=26 Exploring Operation: 2+21=23, Resulting Numbers: [5, 23] Generated Node #0,2,2: 37:[5, 23] Operation: 2+21=23 Exploring Operation: 2*21=42, Resulting Numbers: [5, 42] Generated Node #0,2,3: 37:[5, 42] Operation: 2*21=42 Exploring Operation: 2*5=10, Resulting Numbers: [21, 10] Generated Node #0,2,4: 37:[21, 10] Operation: 2*5=10 Moving to Node #0,4 Current State: 37:[91, 86, 42], Operations: ['2*21=42'] Exploring Operation: 91-86=5, Resulting Numbers: [42, 5] Generated Node #0,4,0: 37:[42, 5] Operation: 91-86=5 Exploring Operation: 86-42=44, Resulting Numbers: [91, 44] Generated Node #0,4,1: 37:[91, 44] Operation: 86-42=44 Exploring Operation: 91-42=49, Resulting Numbers: [86, 49] Generated Node #0,4,2: 37:[86, 49] Operation: 91-42=49 Exploring Operation: 91+86=177, Resulting Numbers: [42, 177] Generated Node #0,4,3: 37:[42, 177] Operation: 91+86=177 Exploring Operation: 91+42=133, Resulting Numbers: [86, 133] Generated Node #0,4,4: 37:[86, 133] Operation: 91+42=133 Moving to Node #0,0 Current State: 37:[91, 21, 84], Operations: ['86-2=84'] Exploring Operation: 84-21=63, Resulting Numbers: [91, 63] Generated Node #0,0,0: 37:[91, 63] Operation: 84-21=63 Exploring Operation: 91-84=7, Resulting Numbers: [21, 7] Generated Node #0,0,1: 37:[21, 7] Operation: 91-84=7 Exploring Operation: 84/21=4, Resulting Numbers: [91, 4] Generated Node #0,0,2: 37:[91, 4] Operation: 84/21=4 Exploring Operation: 91+21=112, Resulting Numbers: [84, 112] Generated Node #0,0,3: 37:[84, 112] Operation: 91+21=112 Exploring Operation: 91-21=70, Resulting Numbers: [84, 70] Generated Node #0,0,4: 37:[84, 70] Operation: 91-21=70 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 37:[21, 7], Operations: ['86-2=84', '91-84=7'] Exploring Operation: 21+7=28, Resulting Numbers: [28] 28,37 unequal: No Solution Exploring Operation: 21*7=147, Resulting Numbers: [147] 147,37 unequal: No Solution Exploring Operation: 21/7=3, Resulting Numbers: [3] 3,37 unequal: No Solution Exploring Operation: 21-7=14, Resulting Numbers: [14] 14,37 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 37:[91, 63], Operations: ['86-2=84', '84-21=63'] Exploring Operation: 91*63=5733, Resulting Numbers: [5733] 5733,37 unequal: No Solution Exploring Operation: 91+63=154, Resulting Numbers: [154] 154,37 unequal: No Solution Exploring Operation: 91-63=28, Resulting Numbers: [28] 28,37 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 37:[84, 70], Operations: ['86-2=84', '91-21=70'] Exploring Operation: 84+70=154, Resulting Numbers: [154] 154,37 unequal: No Solution Exploring Operation: 84-70=14, Resulting Numbers: [14] 14,37 unequal: No Solution Exploring Operation: 84*70=5880, Resulting Numbers: [5880] 5880,37 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 37:[91, 4], Operations: ['86-2=84', '84/21=4'] Exploring Operation: 91*4=364, Resulting Numbers: [364] 364,37 unequal: No Solution Exploring Operation: 91+4=95, Resulting Numbers: [95] 95,37 unequal: No Solution Exploring Operation: 91-4=87, Resulting Numbers: [87] 87,37 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 37:[84, 112], Operations: ['86-2=84', '91+21=112'] Exploring Operation: 84+112=196, Resulting Numbers: [196] 196,37 unequal: No Solution Exploring Operation: 84*112=9408, Resulting Numbers: [9408] 9408,37 unequal: No Solution Exploring Operation: 112-84=28, Resulting Numbers: [28] 28,37 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: 37:[86, 21, 89], Operations: ['91-2=89'] Exploring Operation: 86-21=65, Resulting Numbers: [89, 65] Generated Node #0,1,0: 37:[89, 65] Operation: 86-21=65 Exploring Operation: 89-21=68, Resulting Numbers: [86, 68] Generated Node #0,1,1: 37:[86, 68] Operation: 89-21=68 Exploring Operation: 89-86=3, Resulting Numbers: [21, 3] Generated Node #0,1,2: 37:[21, 3] Operation: 89-86=3 Exploring Operation: 86+21=107, Resulting Numbers: [89, 107] Generated Node #0,1,3: 37:[89, 107] Operation: 86+21=107 Exploring Operation: 21+89=110, Resulting Numbers: [86, 110] Generated Node #0,1,4: 37:[86, 110] Operation: 21+89=110 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 37:[21, 3], Operations: ['91-2=89', '89-86=3'] Exploring Operation: 21*3=63, Resulting Numbers: [63] 63,37 unequal: No Solution Exploring Operation: 21-3=18, Resulting Numbers: [18] 18,37 unequal: No Solution Exploring Operation: 21+3=24, Resulting Numbers: [24] 24,37 unequal: No Solution Exploring Operation: 21/3=7, Resulting Numbers: [7] 7,37 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 #0,1,0 Current State: 37:[89, 65], Operations: ['91-2=89', '86-21=65'] Exploring Operation: 89*65=5785, Resulting Numbers: [5785] 5785,37 unequal: No Solution Exploring Operation: 89-65=24, Resulting Numbers: [24] 24,37 unequal: No Solution Exploring Operation: 89+65=154, Resulting Numbers: [154] 154,37 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 #0,1,1 Current State: 37:[86, 68], Operations: ['91-2=89', '89-21=68'] Exploring Operation: 86+68=154, Resulting Numbers: [154] 154,37 unequal: No Solution Exploring Operation: 86*68=5848, Resulting Numbers: [5848] 5848,37 unequal: No Solution Exploring Operation: 86-68=18, Resulting Numbers: [18] 18,37 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 #0,1,3 Current State: 37:[89, 107], Operations: ['91-2=89', '86+21=107'] Exploring Operation: 89+107=196, Resulting Numbers: [196] 196,37 unequal: No Solution Exploring Operation: 107-89=18, Resulting Numbers: [18] 18,37 unequal: No Solution Exploring Operation: 89*107=9523, Resulting Numbers: [9523] 9523,37 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 #0,1,4 Current State: 37:[86, 110], Operations: ['91-2=89', '21+89=110'] Exploring Operation: 110-86=24, Resulting Numbers: [24] 24,37 unequal: No Solution Exploring Operation: 86*110=9460, Resulting Numbers: [9460] 9460,37 unequal: No Solution Exploring Operation: 86+110=196, Resulting Numbers: [196] 196,37 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2,3 Current State: 37:[5, 42], Operations: ['91-86=5', '2*21=42'] Exploring Operation: 5+42=47, Resulting Numbers: [47] 47,37 unequal: No Solution Exploring Operation: 42-5=37, Resulting Numbers: [37] 37,37 equal: Goal Reached Moving to Node #0 Current State: 37:[2, 91, 86, 21], Operations: [] Exploring Operation: 91-86=5, Resulting Numbers: [2, 21, 5] Generated Node #0,2: 37:[2, 21, 5] Operation: 91-86=5 Moving to Node #0,2 Current State: 37:[2, 21, 5], Operations: ['91-86=5'] Exploring Operation: 2*21=42, Resulting Numbers: [5, 42] Generated Node #0,2,3: 37:[5, 42] Operation: 2*21=42 Moving to Node #0,2,3 Current State: 37:[5, 42], Operations: ['91-86=5', '2*21=42'] Exploring Operation: 42-5=37, Resulting Numbers: [37] 37,37 equal: Goal Reached
0.927951
hs_5
sum_heuristic
[ 75, 34, 85, 71 ]
10
[ "75-71=4", "85*4=340", "340/34=10" ]
Current State: 10:[75, 34, 85, 71], Operations: [] Exploring Operation: 75-71=4, Resulting Numbers: [34, 85, 4] Generated Node #2: [34, 85, 4] from Operation: 75-71=4 Current State: 10:[34, 85, 4], Operations: ['75-71=4'] Exploring Operation: 85*4=340, Resulting Numbers: [34, 340] Generated Node #3: [34, 340] from Operation: 85*4=340 Current State: 10:[34, 340], Operations: ['75-71=4', '85*4=340'] Exploring Operation: 340/34=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
4
Current State: 10:[75, 34, 85, 71], Operations: [] Exploring Operation: 85-75=10, Resulting Numbers: [34, 71, 10] Generated Node #0,0: 10:[34, 71, 10] Operation: 85-75=10 Exploring Operation: 85-71=14, Resulting Numbers: [75, 34, 14] Generated Node #0,1: 10:[75, 34, 14] Operation: 85-71=14 Moving to Node #0,0 Current State: 10:[34, 71, 10], Operations: ['85-75=10'] Exploring Operation: 71-34=37, Resulting Numbers: [10, 37] Generated Node #0,0,0: 10:[10, 37] Operation: 71-34=37 Exploring Operation: 34-10=24, Resulting Numbers: [71, 24] Generated Node #0,0,1: 10:[71, 24] Operation: 34-10=24 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 10:[10, 37], Operations: ['85-75=10', '71-34=37'] Exploring Operation: 10+37=47, Resulting Numbers: [47] 47,10 unequal: No Solution Exploring Operation: 37-10=27, Resulting Numbers: [27] 27,10 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, 24], Operations: ['85-75=10', '34-10=24'] Exploring Operation: 71-24=47, Resulting Numbers: [47] 47,10 unequal: No Solution Exploring Operation: 71+24=95, Resulting Numbers: [95] 95,10 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:[75, 34, 14], Operations: ['85-71=14'] Exploring Operation: 75-34=41, Resulting Numbers: [14, 41] Generated Node #0,1,0: 10:[14, 41] Operation: 75-34=41 Exploring Operation: 75-14=61, Resulting Numbers: [34, 61] Generated Node #0,1,1: 10:[34, 61] Operation: 75-14=61 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 10:[14, 41], Operations: ['85-71=14', '75-34=41'] Exploring Operation: 14+41=55, Resulting Numbers: [55] 55,10 unequal: No Solution Exploring Operation: 41-14=27, Resulting Numbers: [27] 27,10 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 10:[34, 61], Operations: ['85-71=14', '75-14=61'] Exploring Operation: 34+61=95, Resulting Numbers: [95] 95,10 unequal: No Solution Exploring Operation: 61-34=27, Resulting Numbers: [27] 27,10 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
[ 84, 17, 2, 15 ]
58
[ "84+17=101", "15+101=116", "116/2=58" ]
Current State: 58:[84, 17, 2, 15], Operations: [] Exploring Operation: 84+17=101, Resulting Numbers: [2, 15, 101] Generated Node #2: [2, 15, 101] from Operation: 84+17=101 Current State: 58:[2, 15, 101], Operations: ['84+17=101'] Exploring Operation: 15+101=116, Resulting Numbers: [2, 116] Generated Node #3: [2, 116] from Operation: 15+101=116 Current State: 58:[2, 116], Operations: ['84+17=101', '15+101=116'] Exploring Operation: 116/2=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[84, 17, 2, 15], Operations: [] Exploring Operation: 84-17=67, Resulting Numbers: [2, 15, 67] Generated Node #0,0: 58:[2, 15, 67] Operation: 84-17=67 Exploring Operation: 17-15=2, Resulting Numbers: [84, 2, 2] Generated Node #0,1: 58:[84, 2, 2] Operation: 17-15=2 Exploring Operation: 84-15=69, Resulting Numbers: [17, 2, 69] Generated Node #0,2: 58:[17, 2, 69] Operation: 84-15=69 Start Sub Search at level 1: Moving to Node #0,0 Current State: 58:[2, 15, 67], Operations: ['84-17=67'] Exploring Operation: 67-15=52, Resulting Numbers: [2, 52] Generated Node #0,0,0: 58:[2, 52] Operation: 67-15=52 Exploring Operation: 2*15=30, Resulting Numbers: [67, 30] Generated Node #0,0,1: 58:[67, 30] Operation: 2*15=30 Exploring Operation: 15-2=13, Resulting Numbers: [67, 13] Generated Node #0,0,2: 58:[67, 13] Operation: 15-2=13 Moving to Node #0,0,0 Current State: 58:[2, 52], Operations: ['84-17=67', '67-15=52'] Exploring Operation: 52/2=26, Resulting Numbers: [26] 26,58 unequal: No Solution Exploring Operation: 52-2=50, Resulting Numbers: [50] 50,58 unequal: No Solution Exploring Operation: 2+52=54, Resulting Numbers: [54] 54,58 unequal: No Solution Moving to Node #0,0,1 Current State: 58:[67, 30], Operations: ['84-17=67', '2*15=30'] Exploring Operation: 67-30=37, Resulting Numbers: [37] 37,58 unequal: No Solution Exploring Operation: 67+30=97, Resulting Numbers: [97] 97,58 unequal: No Solution Exploring Operation: 67*30=2010, Resulting Numbers: [2010] 2010,58 unequal: No Solution Moving to Node #0,0,2 Current State: 58:[67, 13], Operations: ['84-17=67', '15-2=13'] Exploring Operation: 67*13=871, Resulting Numbers: [871] 871,58 unequal: No Solution Exploring Operation: 67-13=54, Resulting Numbers: [54] 54,58 unequal: No Solution Exploring Operation: 67+13=80, Resulting Numbers: [80] 80,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 58:[17, 2, 69], Operations: ['84-15=69'] Exploring Operation: 17+2=19, Resulting Numbers: [69, 19] Generated Node #0,2,0: 58:[69, 19] Operation: 17+2=19 Exploring Operation: 69-17=52, Resulting Numbers: [2, 52] Generated Node #0,2,1: 58:[2, 52] Operation: 69-17=52 Exploring Operation: 17*2=34, Resulting Numbers: [69, 34] Generated Node #0,2,2: 58:[69, 34] Operation: 17*2=34 Moving to Node #0,2,1 Current State: 58:[2, 52], Operations: ['84-15=69', '69-17=52'] Exploring Operation: 2+52=54, Resulting Numbers: [54] 54,58 unequal: No Solution Exploring Operation: 52/2=26, Resulting Numbers: [26] 26,58 unequal: No Solution Exploring Operation: 52-2=50, Resulting Numbers: [50] 50,58 unequal: No Solution Moving to Node #0,2,2 Current State: 58:[69, 34], Operations: ['84-15=69', '17*2=34'] Exploring Operation: 69-34=35, Resulting Numbers: [35] 35,58 unequal: No Solution Exploring Operation: 69*34=2346, Resulting Numbers: [2346] 2346,58 unequal: No Solution Exploring Operation: 69+34=103, Resulting Numbers: [103] 103,58 unequal: No Solution Moving to Node #0,2,0 Current State: 58:[69, 19], Operations: ['84-15=69', '17+2=19'] Exploring Operation: 69-19=50, Resulting Numbers: [50] 50,58 unequal: No Solution Exploring Operation: 69+19=88, Resulting Numbers: [88] 88,58 unequal: No Solution Exploring Operation: 69*19=1311, Resulting Numbers: [1311] 1311,58 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:[84, 2, 2], Operations: ['17-15=2'] Exploring Operation: 84-2=82, Resulting Numbers: [2, 82] Generated Node #0,1,0: 58:[2, 82] Operation: 84-2=82 Exploring Operation: 84/2=42, Resulting Numbers: [2, 42] Generated Node #0,1,1: 58:[2, 42] Operation: 84/2=42 Exploring Operation: 84/2=42, Resulting Numbers: [2, 42] Generated Node #0,1,2: 58:[2, 42] Operation: 84/2=42 Moving to Node #0,1,1 Current State: 58:[2, 42], Operations: ['17-15=2', '84/2=42'] Exploring Operation: 42-2=40, Resulting Numbers: [40] 40,58 unequal: No Solution Exploring Operation: 2+42=44, Resulting Numbers: [44] 44,58 unequal: No Solution Exploring Operation: 42/2=21, Resulting Numbers: [21] 21,58 unequal: No Solution Moving to Node #0,1,2 Current State: 58:[2, 42], Operations: ['17-15=2', '84/2=42'] Exploring Operation: 42-2=40, Resulting Numbers: [40] 40,58 unequal: No Solution Exploring Operation: 2+42=44, Resulting Numbers: [44] 44,58 unequal: No Solution Exploring Operation: 42/2=21, Resulting Numbers: [21] 21,58 unequal: No Solution Moving to Node #0,1,0 Current State: 58:[2, 82], Operations: ['17-15=2', '84-2=82'] Exploring Operation: 82/2=41, Resulting Numbers: [41] 41,58 unequal: No Solution Exploring Operation: 2+82=84, Resulting Numbers: [84] 84,58 unequal: No Solution Exploring Operation: 82-2=80, Resulting Numbers: [80] 80,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 42, 42, 21, 55 ]
21
[ "42-42=0", "55*0=0", "21+0=21" ]
Current State: 21:[42, 42, 21, 55], Operations: [] Exploring Operation: 42-42=0, Resulting Numbers: [21, 55, 0] Generated Node #2: [21, 55, 0] from Operation: 42-42=0 Current State: 21:[21, 55, 0], Operations: ['42-42=0'] Exploring Operation: 55*0=0, Resulting Numbers: [21, 0] Generated Node #3: [21, 0] from Operation: 55*0=0 Current State: 21:[21, 0], Operations: ['42-42=0', '55*0=0'] Exploring Operation: 21+0=21, Resulting Numbers: [21] 21,21 equal: Goal Reached
4
Current State: 21:[42, 42, 21, 55], Operations: [] Exploring Operation: 55-42=13, Resulting Numbers: [42, 21, 13] Generated Node #0,0: 21:[42, 21, 13] Operation: 55-42=13 Exploring Operation: 42-21=21, Resulting Numbers: [42, 55, 21] Generated Node #0,1: 21:[42, 55, 21] Operation: 42-21=21 Exploring Operation: 42-42=0, Resulting Numbers: [21, 55, 0] Generated Node #0,2: 21:[21, 55, 0] Operation: 42-42=0 Exploring Operation: 42/42=1, Resulting Numbers: [21, 55, 1] Generated Node #0,3: 21:[21, 55, 1] Operation: 42/42=1 Exploring Operation: 55-42=13, Resulting Numbers: [42, 21, 13] Generated Node #0,4: 21:[42, 21, 13] Operation: 55-42=13 Moving to Node #0,0 Current State: 21:[42, 21, 13], Operations: ['55-42=13'] Exploring Operation: 42-21=21, Resulting Numbers: [13, 21] Generated Node #0,0,0: 21:[13, 21] Operation: 42-21=21 Exploring Operation: 42-13=29, Resulting Numbers: [21, 29] Generated Node #0,0,1: 21:[21, 29] Operation: 42-13=29 Exploring Operation: 42+13=55, Resulting Numbers: [21, 55] Generated Node #0,0,2: 21:[21, 55] Operation: 42+13=55 Exploring Operation: 42/21=2, Resulting Numbers: [13, 2] Generated Node #0,0,3: 21:[13, 2] Operation: 42/21=2 Exploring Operation: 21-13=8, Resulting Numbers: [42, 8] Generated Node #0,0,4: 21:[42, 8] Operation: 21-13=8 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 21:[13, 21], Operations: ['55-42=13', '42-21=21'] Exploring Operation: 21-13=8, Resulting Numbers: [8] 8,21 unequal: No Solution Exploring Operation: 13+21=34, Resulting Numbers: [34] 34,21 unequal: No Solution Exploring Operation: 13*21=273, Resulting Numbers: [273] 273,21 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 21:[13, 2], Operations: ['55-42=13', '42/21=2'] Exploring Operation: 13-2=11, Resulting Numbers: [11] 11,21 unequal: No Solution Exploring Operation: 13*2=26, Resulting Numbers: [26] 26,21 unequal: No Solution Exploring Operation: 13+2=15, Resulting Numbers: [15] 15,21 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 21:[21, 29], Operations: ['55-42=13', '42-13=29'] Exploring Operation: 21*29=609, Resulting Numbers: [609] 609,21 unequal: No Solution Exploring Operation: 21+29=50, Resulting Numbers: [50] 50,21 unequal: No Solution Exploring Operation: 29-21=8, Resulting Numbers: [8] 8,21 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 21:[42, 8], Operations: ['55-42=13', '21-13=8'] Exploring Operation: 42+8=50, Resulting Numbers: [50] 50,21 unequal: No Solution Exploring Operation: 42-8=34, Resulting Numbers: [34] 34,21 unequal: No Solution Exploring Operation: 42*8=336, Resulting Numbers: [336] 336,21 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 21:[21, 55], Operations: ['55-42=13', '42+13=55'] Exploring Operation: 55-21=34, Resulting Numbers: [34] 34,21 unequal: No Solution Exploring Operation: 21+55=76, Resulting Numbers: [76] 76,21 unequal: No Solution Exploring Operation: 21*55=1155, Resulting Numbers: [1155] 1155,21 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: 21:[42, 21, 13], Operations: ['55-42=13'] Exploring Operation: 42-21=21, Resulting Numbers: [13, 21] Generated Node #0,4,0: 21:[13, 21] Operation: 42-21=21 Exploring Operation: 21-13=8, Resulting Numbers: [42, 8] Generated Node #0,4,1: 21:[42, 8] Operation: 21-13=8 Exploring Operation: 42-13=29, Resulting Numbers: [21, 29] Generated Node #0,4,2: 21:[21, 29] Operation: 42-13=29 Exploring Operation: 42/21=2, Resulting Numbers: [13, 2] Generated Node #0,4,3: 21:[13, 2] Operation: 42/21=2 Exploring Operation: 42+13=55, Resulting Numbers: [21, 55] Generated Node #0,4,4: 21:[21, 55] Operation: 42+13=55 Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 21:[13, 21], Operations: ['55-42=13', '42-21=21'] Exploring Operation: 13*21=273, Resulting Numbers: [273] 273,21 unequal: No Solution Exploring Operation: 21-13=8, Resulting Numbers: [8] 8,21 unequal: No Solution Exploring Operation: 13+21=34, Resulting Numbers: [34] 34,21 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 #0,4,3 Current State: 21:[13, 2], Operations: ['55-42=13', '42/21=2'] Exploring Operation: 13*2=26, Resulting Numbers: [26] 26,21 unequal: No Solution Exploring Operation: 13+2=15, Resulting Numbers: [15] 15,21 unequal: No Solution Exploring Operation: 13-2=11, Resulting Numbers: [11] 11,21 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 #0,4,2 Current State: 21:[21, 29], Operations: ['55-42=13', '42-13=29'] Exploring Operation: 21+29=50, Resulting Numbers: [50] 50,21 unequal: No Solution Exploring Operation: 29-21=8, Resulting Numbers: [8] 8,21 unequal: No Solution Exploring Operation: 21*29=609, Resulting Numbers: [609] 609,21 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 #0,4,1 Current State: 21:[42, 8], Operations: ['55-42=13', '21-13=8'] Exploring Operation: 42+8=50, Resulting Numbers: [50] 50,21 unequal: No Solution Exploring Operation: 42*8=336, Resulting Numbers: [336] 336,21 unequal: No Solution Exploring Operation: 42-8=34, Resulting Numbers: [34] 34,21 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 #0,4,4 Current State: 21:[21, 55], Operations: ['55-42=13', '42+13=55'] Exploring Operation: 55-21=34, Resulting Numbers: [34] 34,21 unequal: No Solution Exploring Operation: 21+55=76, Resulting Numbers: [76] 76,21 unequal: No Solution Exploring Operation: 21*55=1155, Resulting Numbers: [1155] 1155,21 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: 21:[21, 55, 1], Operations: ['42/42=1'] Exploring Operation: 21*1=21, Resulting Numbers: [55, 21] Generated Node #0,3,0: 21:[55, 21] Operation: 21*1=21 Exploring Operation: 21/1=21, Resulting Numbers: [55, 21] Generated Node #0,3,1: 21:[55, 21] Operation: 21/1=21 Exploring Operation: 55*1=55, Resulting Numbers: [21, 55] Generated Node #0,3,2: 21:[21, 55] Operation: 55*1=55 Exploring Operation: 55-1=54, Resulting Numbers: [21, 54] Generated Node #0,3,3: 21:[21, 54] Operation: 55-1=54 Exploring Operation: 55-21=34, Resulting Numbers: [1, 34] Generated Node #0,3,4: 21:[1, 34] Operation: 55-21=34 Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 21:[1, 34], Operations: ['42/42=1', '55-21=34'] Exploring Operation: 1*34=34, Resulting Numbers: [34] 34,21 unequal: No Solution Exploring Operation: 34/1=34, Resulting Numbers: [34] 34,21 unequal: No Solution Exploring Operation: 34-1=33, Resulting Numbers: [33] 33,21 unequal: No Solution Exploring Operation: 1+34=35, Resulting Numbers: [35] 35,21 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 #0,3,3 Current State: 21:[21, 54], Operations: ['42/42=1', '55-1=54'] Exploring Operation: 21+54=75, Resulting Numbers: [75] 75,21 unequal: No Solution Exploring Operation: 54-21=33, Resulting Numbers: [33] 33,21 unequal: No Solution Exploring Operation: 21*54=1134, Resulting Numbers: [1134] 1134,21 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 #0,3,0 Current State: 21:[55, 21], Operations: ['42/42=1', '21*1=21'] Exploring Operation: 55*21=1155, Resulting Numbers: [1155] 1155,21 unequal: No Solution Exploring Operation: 55-21=34, Resulting Numbers: [34] 34,21 unequal: No Solution Exploring Operation: 55+21=76, Resulting Numbers: [76] 76,21 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 #0,3,1 Current State: 21:[55, 21], Operations: ['42/42=1', '21/1=21'] Exploring Operation: 55*21=1155, Resulting Numbers: [1155] 1155,21 unequal: No Solution Exploring Operation: 55-21=34, Resulting Numbers: [34] 34,21 unequal: No Solution Exploring Operation: 55+21=76, Resulting Numbers: [76] 76,21 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 #0,3,2 Current State: 21:[21, 55], Operations: ['42/42=1', '55*1=55'] Exploring Operation: 21*55=1155, Resulting Numbers: [1155] 1155,21 unequal: No Solution Exploring Operation: 55-21=34, Resulting Numbers: [34] 34,21 unequal: No Solution Exploring Operation: 21+55=76, Resulting Numbers: [76] 76,21 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: 21:[21, 55, 0], Operations: ['42-42=0'] Exploring Operation: 55+0=55, Resulting Numbers: [21, 55] Generated Node #0,2,0: 21:[21, 55] Operation: 55+0=55 Exploring Operation: 55-21=34, Resulting Numbers: [0, 34] Generated Node #0,2,1: 21:[0, 34] Operation: 55-21=34 Exploring Operation: 55*0=0, Resulting Numbers: [21, 0] Generated Node #0,2,2: 21:[21, 0] Operation: 55*0=0 Exploring Operation: 21-0=21, Resulting Numbers: [55, 21] Generated Node #0,2,3: 21:[55, 21] Operation: 21-0=21 Exploring Operation: 21+0=21, Resulting Numbers: [55, 21] Generated Node #0,2,4: 21:[55, 21] Operation: 21+0=21 Moving to Node #0,1 Current State: 21:[42, 55, 21], Operations: ['42-21=21'] Exploring Operation: 42+55=97, Resulting Numbers: [21, 97] Generated Node #0,1,0: 21:[21, 97] Operation: 42+55=97 Exploring Operation: 42-21=21, Resulting Numbers: [55, 21] Generated Node #0,1,1: 21:[55, 21] Operation: 42-21=21 Exploring Operation: 55-21=34, Resulting Numbers: [42, 34] Generated Node #0,1,2: 21:[42, 34] Operation: 55-21=34 Exploring Operation: 55-42=13, Resulting Numbers: [21, 13] Generated Node #0,1,3: 21:[21, 13] Operation: 55-42=13 Exploring Operation: 42/21=2, Resulting Numbers: [55, 2] Generated Node #0,1,4: 21:[55, 2] Operation: 42/21=2 Moving to Node #0,2,2 Current State: 21:[21, 0], Operations: ['42-42=0', '55*0=0'] Exploring Operation: 21+0=21, Resulting Numbers: [21] 21,21 equal: Goal Reached Moving to Node #0 Current State: 21:[42, 42, 21, 55], Operations: [] Exploring Operation: 42-42=0, Resulting Numbers: [21, 55, 0] Generated Node #0,2: 21:[21, 55, 0] Operation: 42-42=0 Moving to Node #0,2 Current State: 21:[21, 55, 0], Operations: ['42-42=0'] Exploring Operation: 55*0=0, Resulting Numbers: [21, 0] Generated Node #0,2,2: 21:[21, 0] Operation: 55*0=0 Moving to Node #0,2,2 Current State: 21:[21, 0], Operations: ['42-42=0', '55*0=0'] Exploring Operation: 21+0=21, Resulting Numbers: [21] 21,21 equal: Goal Reached
0.929688
hs_5
sum_heuristic
[ 97, 2, 27, 52 ]
95
[ "97+52=149", "2*27=54", "149-54=95" ]
Current State: 95:[97, 2, 27, 52], Operations: [] Exploring Operation: 97+52=149, Resulting Numbers: [2, 27, 149] Generated Node #2: [2, 27, 149] from Operation: 97+52=149 Current State: 95:[2, 27, 149], Operations: ['97+52=149'] Exploring Operation: 2*27=54, Resulting Numbers: [149, 54] Generated Node #3: [149, 54] from Operation: 2*27=54 Current State: 95:[149, 54], Operations: ['97+52=149', '2*27=54'] Exploring Operation: 149-54=95, Resulting Numbers: [95] 95,95 equal: Goal Reached
4
Current State: 95:[97, 2, 27, 52], Operations: [] Exploring Operation: 52-27=25, Resulting Numbers: [97, 2, 25] Generated Node #0,0: 95:[97, 2, 25] Operation: 52-27=25 Exploring Operation: 52/2=26, Resulting Numbers: [97, 27, 26] Generated Node #0,1: 95:[97, 27, 26] Operation: 52/2=26 Exploring Operation: 2*52=104, Resulting Numbers: [97, 27, 104] Generated Node #0,2: 95:[97, 27, 104] Operation: 2*52=104 Start Sub Search at level 1: Moving to Node #0,0 Current State: 95:[97, 2, 25], Operations: ['52-27=25'] Exploring Operation: 97-2=95, Resulting Numbers: [25, 95] Generated Node #0,0,0: 95:[25, 95] Operation: 97-2=95 Exploring Operation: 97+2=99, Resulting Numbers: [25, 99] Generated Node #0,0,1: 95:[25, 99] Operation: 97+2=99 Exploring Operation: 25-2=23, Resulting Numbers: [97, 23] Generated Node #0,0,2: 95:[97, 23] Operation: 25-2=23 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 95:[25, 95], Operations: ['52-27=25', '97-2=95'] Exploring Operation: 25*95=2375, Resulting Numbers: [2375] 2375,95 unequal: No Solution Exploring Operation: 95-25=70, Resulting Numbers: [70] 70,95 unequal: No Solution Exploring Operation: 25+95=120, Resulting Numbers: [120] 120,95 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 95:[97, 23], Operations: ['52-27=25', '25-2=23'] Exploring Operation: 97*23=2231, Resulting Numbers: [2231] 2231,95 unequal: No Solution Exploring Operation: 97+23=120, Resulting Numbers: [120] 120,95 unequal: No Solution Exploring Operation: 97-23=74, Resulting Numbers: [74] 74,95 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 95:[25, 99], Operations: ['52-27=25', '97+2=99'] Exploring Operation: 99-25=74, Resulting Numbers: [74] 74,95 unequal: No Solution Exploring Operation: 25+99=124, Resulting Numbers: [124] 124,95 unequal: No Solution Exploring Operation: 25*99=2475, Resulting Numbers: [2475] 2475,95 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 95:[97, 27, 26], Operations: ['52/2=26'] Exploring Operation: 97-26=71, Resulting Numbers: [27, 71] Generated Node #0,1,0: 95:[27, 71] Operation: 97-26=71 Exploring Operation: 97-27=70, Resulting Numbers: [26, 70] Generated Node #0,1,1: 95:[26, 70] Operation: 97-27=70 Exploring Operation: 27-26=1, Resulting Numbers: [97, 1] Generated Node #0,1,2: 95:[97, 1] Operation: 27-26=1 Moving to Node #0,1,2 Current State: 95:[97, 1], Operations: ['52/2=26', '27-26=1'] Exploring Operation: 97/1=97, Resulting Numbers: [97] 97,95 unequal: No Solution Exploring Operation: 97-1=96, Resulting Numbers: [96] 96,95 unequal: No Solution Exploring Operation: 97*1=97, Resulting Numbers: [97] 97,95 unequal: No Solution Moving to Node #0,1,0 Current State: 95:[27, 71], Operations: ['52/2=26', '97-26=71'] Exploring Operation: 27*71=1917, Resulting Numbers: [1917] 1917,95 unequal: No Solution Exploring Operation: 71-27=44, Resulting Numbers: [44] 44,95 unequal: No Solution Exploring Operation: 27+71=98, Resulting Numbers: [98] 98,95 unequal: No Solution Moving to Node #0,1,1 Current State: 95:[26, 70], Operations: ['52/2=26', '97-27=70'] Exploring Operation: 26*70=1820, Resulting Numbers: [1820] 1820,95 unequal: No Solution Exploring Operation: 26+70=96, Resulting Numbers: [96] 96,95 unequal: No Solution Exploring Operation: 70-26=44, Resulting Numbers: [44] 44,95 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 95:[97, 27, 104], Operations: ['2*52=104'] Exploring Operation: 97-27=70, Resulting Numbers: [104, 70] Generated Node #0,2,0: 95:[104, 70] Operation: 97-27=70 Exploring Operation: 104-97=7, Resulting Numbers: [27, 7] Generated Node #0,2,1: 95:[27, 7] Operation: 104-97=7 Exploring Operation: 104-27=77, Resulting Numbers: [97, 77] Generated Node #0,2,2: 95:[97, 77] Operation: 104-27=77 Moving to Node #0,2,1 Current State: 95:[27, 7], Operations: ['2*52=104', '104-97=7'] Exploring Operation: 27-7=20, Resulting Numbers: [20] 20,95 unequal: No Solution Exploring Operation: 27+7=34, Resulting Numbers: [34] 34,95 unequal: No Solution Exploring Operation: 27*7=189, Resulting Numbers: [189] 189,95 unequal: No Solution Moving to Node #0,2,2 Current State: 95:[97, 77], Operations: ['2*52=104', '104-27=77'] Exploring Operation: 97*77=7469, Resulting Numbers: [7469] 7469,95 unequal: No Solution Exploring Operation: 97-77=20, Resulting Numbers: [20] 20,95 unequal: No Solution Exploring Operation: 97+77=174, Resulting Numbers: [174] 174,95 unequal: No Solution Moving to Node #0,2,0 Current State: 95:[104, 70], Operations: ['2*52=104', '97-27=70'] Exploring Operation: 104*70=7280, Resulting Numbers: [7280] 7280,95 unequal: No Solution Exploring Operation: 104-70=34, Resulting Numbers: [34] 34,95 unequal: No Solution Exploring Operation: 104+70=174, Resulting Numbers: [174] 174,95 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
[ 4, 47, 71, 9 ]
67
[ "71+9=80", "80/4=20", "47+20=67" ]
Current State: 67:[4, 47, 71, 9], Operations: [] Exploring Operation: 71+9=80, Resulting Numbers: [4, 47, 80] Generated Node #2: [4, 47, 80] from Operation: 71+9=80 Current State: 67:[4, 47, 80], Operations: ['71+9=80'] Exploring Operation: 80/4=20, Resulting Numbers: [47, 20] Generated Node #3: [47, 20] from Operation: 80/4=20 Current State: 67:[47, 20], Operations: ['71+9=80', '80/4=20'] Exploring Operation: 47+20=67, Resulting Numbers: [67] 67,67 equal: Goal Reached
4
Current State: 67:[4, 47, 71, 9], Operations: [] Exploring Operation: 4*9=36, Resulting Numbers: [47, 71, 36] Generated Node #0,0: 67:[47, 71, 36] Operation: 4*9=36 Exploring Operation: 4+47=51, Resulting Numbers: [71, 9, 51] Generated Node #0,1: 67:[71, 9, 51] Operation: 4+47=51 Exploring Operation: 71-4=67, Resulting Numbers: [47, 9, 67] Generated Node #0,2: 67:[47, 9, 67] Operation: 71-4=67 Start Sub Search at level 1: Moving to Node #0,0 Current State: 67:[47, 71, 36], Operations: ['4*9=36'] Exploring Operation: 47-36=11, Resulting Numbers: [71, 11] Generated Node #0,0,0: 67:[71, 11] Operation: 47-36=11 Exploring Operation: 47+36=83, Resulting Numbers: [71, 83] Generated Node #0,0,1: 67:[71, 83] Operation: 47+36=83 Exploring Operation: 71-36=35, Resulting Numbers: [47, 35] Generated Node #0,0,2: 67:[47, 35] Operation: 71-36=35 Moving to Node #0,0,1 Current State: 67:[71, 83], Operations: ['4*9=36', '47+36=83'] Exploring Operation: 83-71=12, Resulting Numbers: [12] 12,67 unequal: No Solution Exploring Operation: 71*83=5893, Resulting Numbers: [5893] 5893,67 unequal: No Solution Exploring Operation: 71+83=154, Resulting Numbers: [154] 154,67 unequal: No Solution Moving to Node #0,0,2 Current State: 67:[47, 35], Operations: ['4*9=36', '71-36=35'] Exploring Operation: 47*35=1645, Resulting Numbers: [1645] 1645,67 unequal: No Solution Exploring Operation: 47-35=12, Resulting Numbers: [12] 12,67 unequal: No Solution Exploring Operation: 47+35=82, Resulting Numbers: [82] 82,67 unequal: No Solution Moving to Node #0,0,0 Current State: 67:[71, 11], Operations: ['4*9=36', '47-36=11'] Exploring Operation: 71-11=60, Resulting Numbers: [60] 60,67 unequal: No Solution Exploring Operation: 71+11=82, Resulting Numbers: [82] 82,67 unequal: No Solution Exploring Operation: 71*11=781, Resulting Numbers: [781] 781,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 67:[71, 9, 51], Operations: ['4+47=51'] Exploring Operation: 71-9=62, Resulting Numbers: [51, 62] Generated Node #0,1,0: 67:[51, 62] Operation: 71-9=62 Exploring Operation: 71+9=80, Resulting Numbers: [51, 80] Generated Node #0,1,1: 67:[51, 80] Operation: 71+9=80 Exploring Operation: 9+51=60, Resulting Numbers: [71, 60] Generated Node #0,1,2: 67:[71, 60] Operation: 9+51=60 Moving to Node #0,1,2 Current State: 67:[71, 60], Operations: ['4+47=51', '9+51=60'] Exploring Operation: 71+60=131, Resulting Numbers: [131] 131,67 unequal: No Solution Exploring Operation: 71-60=11, Resulting Numbers: [11] 11,67 unequal: No Solution Exploring Operation: 71*60=4260, Resulting Numbers: [4260] 4260,67 unequal: No Solution Moving to Node #0,1,0 Current State: 67:[51, 62], Operations: ['4+47=51', '71-9=62'] Exploring Operation: 51*62=3162, Resulting Numbers: [3162] 3162,67 unequal: No Solution Exploring Operation: 62-51=11, Resulting Numbers: [11] 11,67 unequal: No Solution Exploring Operation: 51+62=113, Resulting Numbers: [113] 113,67 unequal: No Solution Moving to Node #0,1,1 Current State: 67:[51, 80], Operations: ['4+47=51', '71+9=80'] Exploring Operation: 51*80=4080, Resulting Numbers: [4080] 4080,67 unequal: No Solution Exploring Operation: 80-51=29, Resulting Numbers: [29] 29,67 unequal: No Solution Exploring Operation: 51+80=131, Resulting Numbers: [131] 131,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 67:[47, 9, 67], Operations: ['71-4=67'] Exploring Operation: 47-9=38, Resulting Numbers: [67, 38] Generated Node #0,2,0: 67:[67, 38] Operation: 47-9=38 Exploring Operation: 9+67=76, Resulting Numbers: [47, 76] Generated Node #0,2,1: 67:[47, 76] Operation: 9+67=76 Exploring Operation: 47+9=56, Resulting Numbers: [67, 56] Generated Node #0,2,2: 67:[67, 56] Operation: 47+9=56 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 67:[67, 56], Operations: ['71-4=67', '47+9=56'] Exploring Operation: 67+56=123, Resulting Numbers: [123] 123,67 unequal: No Solution Exploring Operation: 67*56=3752, Resulting Numbers: [3752] 3752,67 unequal: No Solution Exploring Operation: 67-56=11, Resulting Numbers: [11] 11,67 unequal: No Solution No 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: 67:[67, 38], Operations: ['71-4=67', '47-9=38'] Exploring Operation: 67-38=29, Resulting Numbers: [29] 29,67 unequal: No Solution Exploring Operation: 67*38=2546, Resulting Numbers: [2546] 2546,67 unequal: No Solution Exploring Operation: 67+38=105, Resulting Numbers: [105] 105,67 unequal: No Solution No 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: 67:[47, 76], Operations: ['71-4=67', '9+67=76'] Exploring Operation: 47*76=3572, Resulting Numbers: [3572] 3572,67 unequal: No Solution Exploring Operation: 47+76=123, Resulting Numbers: [123] 123,67 unequal: No Solution Exploring Operation: 76-47=29, Resulting Numbers: [29] 29,67 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
mult_heuristic
[ 54, 57, 48, 41 ]
18
[ "57-41=16", "54*16=864", "864/48=18" ]
Current State: 18:[54, 57, 48, 41], Operations: [] Exploring Operation: 57-41=16, Resulting Numbers: [54, 48, 16] Generated Node #2: [54, 48, 16] from Operation: 57-41=16 Current State: 18:[54, 48, 16], Operations: ['57-41=16'] Exploring Operation: 54*16=864, Resulting Numbers: [48, 864] Generated Node #3: [48, 864] from Operation: 54*16=864 Current State: 18:[48, 864], Operations: ['57-41=16', '54*16=864'] Exploring Operation: 864/48=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[54, 57, 48, 41], Operations: [] Exploring Operation: 57-54=3, Resulting Numbers: [48, 41, 3] Generated Node #0,0: 18:[48, 41, 3] Operation: 57-54=3 Exploring Operation: 54-48=6, Resulting Numbers: [57, 41, 6] Generated Node #0,1: 18:[57, 41, 6] Operation: 54-48=6 Exploring Operation: 57-48=9, Resulting Numbers: [54, 41, 9] Generated Node #0,2: 18:[54, 41, 9] Operation: 57-48=9 Moving to Node #0,0 Current State: 18:[48, 41, 3], Operations: ['57-54=3'] Exploring Operation: 48-41=7, Resulting Numbers: [3, 7] Generated Node #0,0,0: 18:[3, 7] Operation: 48-41=7 Exploring Operation: 48-3=45, Resulting Numbers: [41, 45] Generated Node #0,0,1: 18:[41, 45] Operation: 48-3=45 Exploring Operation: 48/3=16, Resulting Numbers: [41, 16] Generated Node #0,0,2: 18:[41, 16] Operation: 48/3=16 Moving to Node #0,2 Current State: 18:[54, 41, 9], Operations: ['57-48=9'] Exploring Operation: 54-41=13, Resulting Numbers: [9, 13] Generated Node #0,2,0: 18:[9, 13] Operation: 54-41=13 Exploring Operation: 54/9=6, Resulting Numbers: [41, 6] Generated Node #0,2,1: 18:[41, 6] Operation: 54/9=6 Exploring Operation: 54-9=45, Resulting Numbers: [41, 45] Generated Node #0,2,2: 18:[41, 45] Operation: 54-9=45 Moving to Node #0,1 Current State: 18:[57, 41, 6], Operations: ['54-48=6'] Exploring Operation: 57-41=16, Resulting Numbers: [6, 16] Generated Node #0,1,0: 18:[6, 16] Operation: 57-41=16 Exploring Operation: 57-6=51, Resulting Numbers: [41, 51] Generated Node #0,1,1: 18:[41, 51] Operation: 57-6=51 Exploring Operation: 41-6=35, Resulting Numbers: [57, 35] Generated Node #0,1,2: 18:[57, 35] Operation: 41-6=35 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 18:[6, 16], Operations: ['54-48=6', '57-41=16'] Exploring Operation: 6+16=22, Resulting Numbers: [22] 22,18 unequal: No Solution Exploring Operation: 16-6=10, Resulting Numbers: [10] 10,18 unequal: No Solution Exploring Operation: 6*16=96, Resulting Numbers: [96] 96,18 unequal: No Solution No 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: 18:[41, 51], Operations: ['54-48=6', '57-6=51'] Exploring Operation: 41*51=2091, Resulting Numbers: [2091] 2091,18 unequal: No Solution Exploring Operation: 51-41=10, Resulting Numbers: [10] 10,18 unequal: No Solution Exploring Operation: 41+51=92, Resulting Numbers: [92] 92,18 unequal: No Solution No 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: 18:[57, 35], Operations: ['54-48=6', '41-6=35'] Exploring Operation: 57-35=22, Resulting Numbers: [22] 22,18 unequal: No Solution Exploring Operation: 57+35=92, Resulting Numbers: [92] 92,18 unequal: No Solution Exploring Operation: 57*35=1995, Resulting Numbers: [1995] 1995,18 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: 18:[3, 7], Operations: ['57-54=3', '48-41=7'] Exploring Operation: 3+7=10, Resulting Numbers: [10] 10,18 unequal: No Solution Exploring Operation: 7-3=4, Resulting Numbers: [4] 4,18 unequal: No Solution Exploring Operation: 3*7=21, Resulting Numbers: [21] 21,18 unequal: No Solution Moving to Node #0,2,0 Current State: 18:[9, 13], Operations: ['57-48=9', '54-41=13'] Exploring Operation: 9+13=22, Resulting Numbers: [22] 22,18 unequal: No Solution Exploring Operation: 9*13=117, Resulting Numbers: [117] 117,18 unequal: No Solution Exploring Operation: 13-9=4, Resulting Numbers: [4] 4,18 unequal: No Solution Moving to Node #0,2,1 Current State: 18:[41, 6], Operations: ['57-48=9', '54/9=6'] Exploring Operation: 41+6=47, Resulting Numbers: [47] 47,18 unequal: No Solution Exploring Operation: 41-6=35, Resulting Numbers: [35] 35,18 unequal: No Solution Exploring Operation: 41*6=246, Resulting Numbers: [246] 246,18 unequal: No Solution Moving to Node #0,0,2 Current State: 18:[41, 16], Operations: ['57-54=3', '48/3=16'] Exploring Operation: 41*16=656, Resulting Numbers: [656] 656,18 unequal: No Solution Exploring Operation: 41-16=25, Resulting Numbers: [25] 25,18 unequal: No Solution Exploring Operation: 41+16=57, Resulting Numbers: [57] 57,18 unequal: No Solution Moving to Node #0,2,2 Current State: 18:[41, 45], Operations: ['57-48=9', '54-9=45'] Exploring Operation: 41+45=86, Resulting Numbers: [86] 86,18 unequal: No Solution Exploring Operation: 41*45=1845, Resulting Numbers: [1845] 1845,18 unequal: No Solution Exploring Operation: 45-41=4, Resulting Numbers: [4] 4,18 unequal: No Solution Moving to Node #0,0,1 Current State: 18:[41, 45], Operations: ['57-54=3', '48-3=45'] Exploring Operation: 45-41=4, Resulting Numbers: [4] 4,18 unequal: No Solution Exploring Operation: 41+45=86, Resulting Numbers: [86] 86,18 unequal: No Solution Exploring Operation: 41*45=1845, Resulting Numbers: [1845] 1845,18 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 63, 34, 16, 33 ]
48
[ "63+34=97", "16+33=49", "97-49=48" ]
Current State: 48:[63, 34, 16, 33], Operations: [] Exploring Operation: 63+34=97, Resulting Numbers: [16, 33, 97] Generated Node #2: [16, 33, 97] from Operation: 63+34=97 Current State: 48:[16, 33, 97], Operations: ['63+34=97'] Exploring Operation: 16+33=49, Resulting Numbers: [97, 49] Generated Node #3: [97, 49] from Operation: 16+33=49 Current State: 48:[97, 49], Operations: ['63+34=97', '16+33=49'] Exploring Operation: 97-49=48, Resulting Numbers: [48] 48,48 equal: Goal Reached
4
Current State: 48:[63, 34, 16, 33], Operations: [] Exploring Operation: 63-34=29, Resulting Numbers: [16, 33, 29] Generated Node #0,0: 48:[16, 33, 29] Operation: 63-34=29 Moving to Node #0,0 Current State: 48:[16, 33, 29], Operations: ['63-34=29'] Exploring Operation: 33-29=4, Resulting Numbers: [16, 4] Generated Node #0,0,0: 48:[16, 4] Operation: 33-29=4 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 48:[16, 4], Operations: ['63-34=29', '33-29=4'] Exploring Operation: 16-4=12, Resulting Numbers: [12] 12,48 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
[ 77, 31, 61, 12 ]
27
[ "77-31=46", "61+12=73", "73-46=27" ]
Current State: 27:[77, 31, 61, 12], Operations: [] Exploring Operation: 77-31=46, Resulting Numbers: [61, 12, 46] Generated Node #2: [61, 12, 46] from Operation: 77-31=46 Current State: 27:[61, 12, 46], Operations: ['77-31=46'] Exploring Operation: 61+12=73, Resulting Numbers: [46, 73] Generated Node #3: [46, 73] from Operation: 61+12=73 Current State: 27:[46, 73], Operations: ['77-31=46', '61+12=73'] Exploring Operation: 73-46=27, Resulting Numbers: [27] 27,27 equal: Goal Reached
4
Current State: 27:[77, 31, 61, 12], Operations: [] Exploring Operation: 61-31=30, Resulting Numbers: [77, 12, 30] Generated Node #0,0: 27:[77, 12, 30] Operation: 61-31=30 Exploring Operation: 77-61=16, Resulting Numbers: [31, 12, 16] Generated Node #0,1: 27:[31, 12, 16] Operation: 77-61=16 Exploring Operation: 77-31=46, Resulting Numbers: [61, 12, 46] Generated Node #0,2: 27:[61, 12, 46] Operation: 77-31=46 Moving to Node #0,1 Current State: 27:[31, 12, 16], Operations: ['77-61=16'] Exploring Operation: 16-12=4, Resulting Numbers: [31, 4] Generated Node #0,1,0: 27:[31, 4] Operation: 16-12=4 Exploring Operation: 12+16=28, Resulting Numbers: [31, 28] Generated Node #0,1,1: 27:[31, 28] Operation: 12+16=28 Exploring Operation: 31-16=15, Resulting Numbers: [12, 15] Generated Node #0,1,2: 27:[12, 15] Operation: 31-16=15 Moving to Node #0,0 Current State: 27:[77, 12, 30], Operations: ['61-31=30'] Exploring Operation: 77-12=65, Resulting Numbers: [30, 65] Generated Node #0,0,0: 27:[30, 65] Operation: 77-12=65 Exploring Operation: 77-30=47, Resulting Numbers: [12, 47] Generated Node #0,0,1: 27:[12, 47] Operation: 77-30=47 Exploring Operation: 30-12=18, Resulting Numbers: [77, 18] Generated Node #0,0,2: 27:[77, 18] Operation: 30-12=18 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 27:[12, 47], Operations: ['61-31=30', '77-30=47'] Exploring Operation: 12*47=564, Resulting Numbers: [564] 564,27 unequal: No Solution Exploring Operation: 47-12=35, Resulting Numbers: [35] 35,27 unequal: No Solution Exploring Operation: 12+47=59, Resulting Numbers: [59] 59,27 unequal: No Solution No 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: 27:[30, 65], Operations: ['61-31=30', '77-12=65'] Exploring Operation: 30+65=95, Resulting Numbers: [95] 95,27 unequal: No Solution Exploring Operation: 65-30=35, Resulting Numbers: [35] 35,27 unequal: No Solution Exploring Operation: 30*65=1950, Resulting Numbers: [1950] 1950,27 unequal: No Solution No 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: 27:[77, 18], Operations: ['61-31=30', '30-12=18'] Exploring Operation: 77-18=59, Resulting Numbers: [59] 59,27 unequal: No Solution Exploring Operation: 77+18=95, Resulting Numbers: [95] 95,27 unequal: No Solution Exploring Operation: 77*18=1386, Resulting Numbers: [1386] 1386,27 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: 27:[61, 12, 46], Operations: ['77-31=46'] Exploring Operation: 46-12=34, Resulting Numbers: [61, 34] Generated Node #0,2,0: 27:[61, 34] Operation: 46-12=34 Exploring Operation: 61-12=49, Resulting Numbers: [46, 49] Generated Node #0,2,1: 27:[46, 49] Operation: 61-12=49 Exploring Operation: 61-46=15, Resulting Numbers: [12, 15] Generated Node #0,2,2: 27:[12, 15] Operation: 61-46=15 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 27:[12, 15], Operations: ['77-31=46', '61-46=15'] Exploring Operation: 12+15=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Moving to Node #0 Current State: 27:[77, 31, 61, 12], Operations: [] Exploring Operation: 77-31=46, Resulting Numbers: [61, 12, 46] Generated Node #0,2: 27:[61, 12, 46] Operation: 77-31=46 Moving to Node #0,2 Current State: 27:[61, 12, 46], Operations: ['77-31=46'] Exploring Operation: 61-46=15, Resulting Numbers: [12, 15] Generated Node #0,2,2: 27:[12, 15] Operation: 61-46=15 Moving to Node #0,2,2 Current State: 27:[12, 15], Operations: ['77-31=46', '61-46=15'] Exploring Operation: 12+15=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Exit Sub Search at level 1
0.977431
hs_3
mult_heuristic
[ 38, 71, 3, 95 ]
65
[ "71-38=33", "3+95=98", "98-33=65" ]
Current State: 65:[38, 71, 3, 95], Operations: [] Exploring Operation: 71-38=33, Resulting Numbers: [3, 95, 33] Generated Node #2: [3, 95, 33] from Operation: 71-38=33 Current State: 65:[3, 95, 33], Operations: ['71-38=33'] Exploring Operation: 3+95=98, Resulting Numbers: [33, 98] Generated Node #3: [33, 98] from Operation: 3+95=98 Current State: 65:[33, 98], Operations: ['71-38=33', '3+95=98'] Exploring Operation: 98-33=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
4
Current State: 65:[38, 71, 3, 95], Operations: [] Exploring Operation: 95-71=24, Resulting Numbers: [38, 3, 24] Generated Node #0,0: 65:[38, 3, 24] Operation: 95-71=24 Exploring Operation: 71-3=68, Resulting Numbers: [38, 95, 68] Generated Node #0,1: 65:[38, 95, 68] Operation: 71-3=68 Exploring Operation: 95-38=57, Resulting Numbers: [71, 3, 57] Generated Node #0,2: 65:[71, 3, 57] Operation: 95-38=57 Exploring Operation: 38-3=35, Resulting Numbers: [71, 95, 35] Generated Node #0,3: 65:[71, 95, 35] Operation: 38-3=35 Exploring Operation: 71-38=33, Resulting Numbers: [3, 95, 33] Generated Node #0,4: 65:[3, 95, 33] Operation: 71-38=33 Start Sub Search at level 1: Moving to Node #0,2 Current State: 65:[71, 3, 57], Operations: ['95-38=57'] Exploring Operation: 3+57=60, Resulting Numbers: [71, 60] Generated Node #0,2,0: 65:[71, 60] Operation: 3+57=60 Exploring Operation: 57/3=19, Resulting Numbers: [71, 19] Generated Node #0,2,1: 65:[71, 19] Operation: 57/3=19 Exploring Operation: 71+3=74, Resulting Numbers: [57, 74] Generated Node #0,2,2: 65:[57, 74] Operation: 71+3=74 Exploring Operation: 71-57=14, Resulting Numbers: [3, 14] Generated Node #0,2,3: 65:[3, 14] Operation: 71-57=14 Exploring Operation: 71-3=68, Resulting Numbers: [57, 68] Generated Node #0,2,4: 65:[57, 68] Operation: 71-3=68 Moving to Node #0,2,3 Current State: 65:[3, 14], Operations: ['95-38=57', '71-57=14'] Exploring Operation: 3+14=17, Resulting Numbers: [17] 17,65 unequal: No Solution Exploring Operation: 14-3=11, Resulting Numbers: [11] 11,65 unequal: No Solution Exploring Operation: 3*14=42, Resulting Numbers: [42] 42,65 unequal: No Solution Moving to Node #0,2,4 Current State: 65:[57, 68], Operations: ['95-38=57', '71-3=68'] Exploring Operation: 68-57=11, Resulting Numbers: [11] 11,65 unequal: No Solution Exploring Operation: 57*68=3876, Resulting Numbers: [3876] 3876,65 unequal: No Solution Exploring Operation: 57+68=125, Resulting Numbers: [125] 125,65 unequal: No Solution Moving to Node #0,2,0 Current State: 65:[71, 60], Operations: ['95-38=57', '3+57=60'] Exploring Operation: 71+60=131, Resulting Numbers: [131] 131,65 unequal: No Solution Exploring Operation: 71*60=4260, Resulting Numbers: [4260] 4260,65 unequal: No Solution Exploring Operation: 71-60=11, Resulting Numbers: [11] 11,65 unequal: No Solution Moving to Node #0,2,1 Current State: 65:[71, 19], Operations: ['95-38=57', '57/3=19'] Exploring Operation: 71-19=52, Resulting Numbers: [52] 52,65 unequal: No Solution Exploring Operation: 71*19=1349, Resulting Numbers: [1349] 1349,65 unequal: No Solution Exploring Operation: 71+19=90, Resulting Numbers: [90] 90,65 unequal: No Solution Moving to Node #0,2,2 Current State: 65:[57, 74], Operations: ['95-38=57', '71+3=74'] Exploring Operation: 74-57=17, Resulting Numbers: [17] 17,65 unequal: No Solution Exploring Operation: 57*74=4218, Resulting Numbers: [4218] 4218,65 unequal: No Solution Exploring Operation: 57+74=131, Resulting Numbers: [131] 131,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 65:[38, 3, 24], Operations: ['95-71=24'] Exploring Operation: 3*24=72, Resulting Numbers: [38, 72] Generated Node #0,0,0: 65:[38, 72] Operation: 3*24=72 Exploring Operation: 38-3=35, Resulting Numbers: [24, 35] Generated Node #0,0,1: 65:[24, 35] Operation: 38-3=35 Exploring Operation: 38+24=62, Resulting Numbers: [3, 62] Generated Node #0,0,2: 65:[3, 62] Operation: 38+24=62 Exploring Operation: 24/3=8, Resulting Numbers: [38, 8] Generated Node #0,0,3: 65:[38, 8] Operation: 24/3=8 Exploring Operation: 38-24=14, Resulting Numbers: [3, 14] Generated Node #0,0,4: 65:[3, 14] Operation: 38-24=14 Moving to Node #0,0,4 Current State: 65:[3, 14], Operations: ['95-71=24', '38-24=14'] Exploring Operation: 14-3=11, Resulting Numbers: [11] 11,65 unequal: No Solution Exploring Operation: 3*14=42, Resulting Numbers: [42] 42,65 unequal: No Solution Exploring Operation: 3+14=17, Resulting Numbers: [17] 17,65 unequal: No Solution Moving to Node #0,0,2 Current State: 65:[3, 62], Operations: ['95-71=24', '38+24=62'] Exploring Operation: 62-3=59, Resulting Numbers: [59] 59,65 unequal: No Solution Exploring Operation: 3*62=186, Resulting Numbers: [186] 186,65 unequal: No Solution Exploring Operation: 3+62=65, Resulting Numbers: [65] 65,65 equal: Goal Reached Moving to Node #0 Current State: 65:[38, 71, 3, 95], Operations: [] Exploring Operation: 95-71=24, Resulting Numbers: [38, 3, 24] Generated Node #0,0: 65:[38, 3, 24] Operation: 95-71=24 Moving to Node #0,0 Current State: 65:[38, 3, 24], Operations: ['95-71=24'] Exploring Operation: 38+24=62, Resulting Numbers: [3, 62] Generated Node #0,0,2: 65:[3, 62] Operation: 38+24=62 Moving to Node #0,0,2 Current State: 65:[3, 62], Operations: ['95-71=24', '38+24=62'] Exploring Operation: 3+62=65, Resulting Numbers: [65] 65,65 equal: Goal Reached Exit Sub Search at level 1
0.965278
hs_5
sum_heuristic
[ 12, 42, 5, 62 ]
16
[ "62-42=20", "20/5=4", "12+4=16" ]
Current State: 16:[12, 42, 5, 62], Operations: [] Exploring Operation: 62-42=20, Resulting Numbers: [12, 5, 20] Generated Node #2: [12, 5, 20] from Operation: 62-42=20 Current State: 16:[12, 5, 20], Operations: ['62-42=20'] Exploring Operation: 20/5=4, Resulting Numbers: [12, 4] Generated Node #3: [12, 4] from Operation: 20/5=4 Current State: 16:[12, 4], Operations: ['62-42=20', '20/5=4'] Exploring Operation: 12+4=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[12, 42, 5, 62], Operations: [] Exploring Operation: 62-42=20, Resulting Numbers: [12, 5, 20] Generated Node #0,0: 16:[12, 5, 20] Operation: 62-42=20 Start Sub Search at level 1: Moving to Node #0,0 Current State: 16:[12, 5, 20], Operations: ['62-42=20'] Exploring Operation: 20-12=8, Resulting Numbers: [5, 8] Generated Node #0,0,0: 16:[5, 8] Operation: 20-12=8 Moving to Node #0,0,0 Current State: 16:[5, 8], Operations: ['62-42=20', '20-12=8'] Exploring Operation: 8-5=3, Resulting Numbers: [3] 3,16 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
[ 15, 13, 10, 32 ]
91
[ "15+10=25", "32-25=7", "13*7=91" ]
Current State: 91:[15, 13, 10, 32], Operations: [] Exploring Operation: 15+10=25, Resulting Numbers: [13, 32, 25] Generated Node #2: [13, 32, 25] from Operation: 15+10=25 Current State: 91:[13, 32, 25], Operations: ['15+10=25'] Exploring Operation: 32-25=7, Resulting Numbers: [13, 7] Generated Node #3: [13, 7] from Operation: 32-25=7 Current State: 91:[13, 7], Operations: ['15+10=25', '32-25=7'] Exploring Operation: 13*7=91, Resulting Numbers: [91] 91,91 equal: Goal Reached
4
Current State: 91:[15, 13, 10, 32], Operations: [] Exploring Operation: 32-13=19, Resulting Numbers: [15, 10, 19] Generated Node #0,0: 91:[15, 10, 19] Operation: 32-13=19 Exploring Operation: 32-10=22, Resulting Numbers: [15, 13, 22] Generated Node #0,1: 91:[15, 13, 22] Operation: 32-10=22 Exploring Operation: 32-15=17, Resulting Numbers: [13, 10, 17] Generated Node #0,2: 91:[13, 10, 17] Operation: 32-15=17 Moving to Node #0,2 Current State: 91:[13, 10, 17], Operations: ['32-15=17'] Exploring Operation: 13-10=3, Resulting Numbers: [17, 3] Generated Node #0,2,0: 91:[17, 3] Operation: 13-10=3 Exploring Operation: 17-10=7, Resulting Numbers: [13, 7] Generated Node #0,2,1: 91:[13, 7] Operation: 17-10=7 Exploring Operation: 17-13=4, Resulting Numbers: [10, 4] Generated Node #0,2,2: 91:[10, 4] Operation: 17-13=4 Moving to Node #0,0 Current State: 91:[15, 10, 19], Operations: ['32-13=19'] Exploring Operation: 15-10=5, Resulting Numbers: [19, 5] Generated Node #0,0,0: 91:[19, 5] Operation: 15-10=5 Exploring Operation: 19-10=9, Resulting Numbers: [15, 9] Generated Node #0,0,1: 91:[15, 9] Operation: 19-10=9 Exploring Operation: 19-15=4, Resulting Numbers: [10, 4] Generated Node #0,0,2: 91:[10, 4] Operation: 19-15=4 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 91:[15, 9], Operations: ['32-13=19', '19-10=9'] Exploring Operation: 15*9=135, Resulting Numbers: [135] 135,91 unequal: No Solution Exploring Operation: 15-9=6, Resulting Numbers: [6] 6,91 unequal: No Solution Exploring Operation: 15+9=24, Resulting Numbers: [24] 24,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 91:[10, 4], Operations: ['32-13=19', '19-15=4'] Exploring Operation: 10-4=6, Resulting Numbers: [6] 6,91 unequal: No Solution Exploring Operation: 10+4=14, Resulting Numbers: [14] 14,91 unequal: No Solution Exploring Operation: 10*4=40, Resulting Numbers: [40] 40,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 91:[19, 5], Operations: ['32-13=19', '15-10=5'] Exploring Operation: 19-5=14, Resulting Numbers: [14] 14,91 unequal: No Solution Exploring Operation: 19+5=24, Resulting Numbers: [24] 24,91 unequal: No Solution Exploring Operation: 19*5=95, Resulting Numbers: [95] 95,91 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: 91:[15, 13, 22], Operations: ['32-10=22'] Exploring Operation: 22-15=7, Resulting Numbers: [13, 7] Generated Node #0,1,0: 91:[13, 7] Operation: 22-15=7 Exploring Operation: 22-13=9, Resulting Numbers: [15, 9] Generated Node #0,1,1: 91:[15, 9] Operation: 22-13=9 Exploring Operation: 15-13=2, Resulting Numbers: [22, 2] Generated Node #0,1,2: 91:[22, 2] Operation: 15-13=2 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 91:[13, 7], Operations: ['32-10=22', '22-15=7'] Exploring Operation: 13*7=91, Resulting Numbers: [91] 91,91 equal: Goal Reached Moving to Node #0 Current State: 91:[15, 13, 10, 32], Operations: [] Exploring Operation: 32-10=22, Resulting Numbers: [15, 13, 22] Generated Node #0,1: 91:[15, 13, 22] Operation: 32-10=22 Moving to Node #0,1 Current State: 91:[15, 13, 22], Operations: ['32-10=22'] Exploring Operation: 22-15=7, Resulting Numbers: [13, 7] Generated Node #0,1,0: 91:[13, 7] Operation: 22-15=7 Moving to Node #0,1,0 Current State: 91:[13, 7], Operations: ['32-10=22', '22-15=7'] Exploring Operation: 13*7=91, Resulting Numbers: [91] 91,91 equal: Goal Reached Exit Sub Search at level 1
0.977431
hs_3
mult_heuristic
[ 17, 56, 70, 56 ]
70
[ "56-56=0", "17*0=0", "70+0=70" ]
Current State: 70:[17, 56, 70, 56], Operations: [] Exploring Operation: 56-56=0, Resulting Numbers: [17, 70, 0] Generated Node #2: [17, 70, 0] from Operation: 56-56=0 Current State: 70:[17, 70, 0], Operations: ['56-56=0'] Exploring Operation: 17*0=0, Resulting Numbers: [70, 0] Generated Node #3: [70, 0] from Operation: 17*0=0 Current State: 70:[70, 0], Operations: ['56-56=0', '17*0=0'] Exploring Operation: 70+0=70, Resulting Numbers: [70] 70,70 equal: Goal Reached
4
Current State: 70:[17, 56, 70, 56], Operations: [] Exploring Operation: 56/56=1, Resulting Numbers: [17, 70, 1] Generated Node #0,0: 70:[17, 70, 1] Operation: 56/56=1 Exploring Operation: 56-56=0, Resulting Numbers: [17, 70, 0] Generated Node #0,1: 70:[17, 70, 0] Operation: 56-56=0 Exploring Operation: 17+56=73, Resulting Numbers: [56, 70, 73] Generated Node #0,2: 70:[56, 70, 73] Operation: 17+56=73 Exploring Operation: 17+56=73, Resulting Numbers: [70, 56, 73] Generated Node #0,3: 70:[70, 56, 73] Operation: 17+56=73 Start Sub Search at level 1: Moving to Node #0,0 Current State: 70:[17, 70, 1], Operations: ['56/56=1'] Exploring Operation: 17-1=16, Resulting Numbers: [70, 16] Generated Node #0,0,0: 70:[70, 16] Operation: 17-1=16 Exploring Operation: 17*1=17, Resulting Numbers: [70, 17] Generated Node #0,0,1: 70:[70, 17] Operation: 17*1=17 Exploring Operation: 17/1=17, Resulting Numbers: [70, 17] Generated Node #0,0,2: 70:[70, 17] Operation: 17/1=17 Exploring Operation: 70*1=70, Resulting Numbers: [17, 70] Generated Node #0,0,3: 70:[17, 70] Operation: 70*1=70 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 70:[70, 16], Operations: ['56/56=1', '17-1=16'] Exploring Operation: 70+16=86, Resulting Numbers: [86] 86,70 unequal: No Solution Exploring Operation: 70-16=54, Resulting Numbers: [54] 54,70 unequal: No Solution Exploring Operation: 70*16=1120, Resulting Numbers: [1120] 1120,70 unequal: No Solution No 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: 70:[70, 17], Operations: ['56/56=1', '17*1=17'] Exploring Operation: 70+17=87, Resulting Numbers: [87] 87,70 unequal: No Solution Exploring Operation: 70-17=53, Resulting Numbers: [53] 53,70 unequal: No Solution Exploring Operation: 70*17=1190, Resulting Numbers: [1190] 1190,70 unequal: No Solution No 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: 70:[70, 17], Operations: ['56/56=1', '17/1=17'] Exploring Operation: 70+17=87, Resulting Numbers: [87] 87,70 unequal: No Solution Exploring Operation: 70-17=53, Resulting Numbers: [53] 53,70 unequal: No Solution Exploring Operation: 70*17=1190, Resulting Numbers: [1190] 1190,70 unequal: No Solution No 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: 70:[17, 70], Operations: ['56/56=1', '70*1=70'] Exploring Operation: 70-17=53, Resulting Numbers: [53] 53,70 unequal: No Solution Exploring Operation: 17+70=87, Resulting Numbers: [87] 87,70 unequal: No Solution Exploring Operation: 17*70=1190, Resulting Numbers: [1190] 1190,70 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: 70:[17, 70, 0], Operations: ['56-56=0'] Exploring Operation: 17-0=17, Resulting Numbers: [70, 17] Generated Node #0,1,0: 70:[70, 17] Operation: 17-0=17 Exploring Operation: 70+0=70, Resulting Numbers: [17, 70] Generated Node #0,1,1: 70:[17, 70] Operation: 70+0=70 Exploring Operation: 17+0=17, Resulting Numbers: [70, 17] Generated Node #0,1,2: 70:[70, 17] Operation: 17+0=17 Exploring Operation: 17*0=0, Resulting Numbers: [70, 0] Generated Node #0,1,3: 70:[70, 0] Operation: 17*0=0 Moving to Node #0,1,3 Current State: 70:[70, 0], Operations: ['56-56=0', '17*0=0'] Exploring Operation: 70*0=0, Resulting Numbers: [0] 0,70 unequal: No Solution Exploring Operation: 70-0=70, Resulting Numbers: [70] 70,70 equal: Goal Reached Moving to Node #0 Current State: 70:[17, 56, 70, 56], Operations: [] Exploring Operation: 56-56=0, Resulting Numbers: [17, 70, 0] Generated Node #0,1: 70:[17, 70, 0] Operation: 56-56=0 Moving to Node #0,1 Current State: 70:[17, 70, 0], Operations: ['56-56=0'] Exploring Operation: 17*0=0, Resulting Numbers: [70, 0] Generated Node #0,1,3: 70:[70, 0] Operation: 17*0=0 Moving to Node #0,1,3 Current State: 70:[70, 0], Operations: ['56-56=0', '17*0=0'] Exploring Operation: 70-0=70, Resulting Numbers: [70] 70,70 equal: Goal Reached Exit Sub Search at level 1
0.973958
hs_4
mult_heuristic
[ 90, 10, 78, 8 ]
86
[ "90-78=12", "8*12=96", "96-10=86" ]
Current State: 86:[90, 10, 78, 8], Operations: [] Exploring Operation: 90-78=12, Resulting Numbers: [10, 8, 12] Generated Node #2: [10, 8, 12] from Operation: 90-78=12 Current State: 86:[10, 8, 12], Operations: ['90-78=12'] Exploring Operation: 8*12=96, Resulting Numbers: [10, 96] Generated Node #3: [10, 96] from Operation: 8*12=96 Current State: 86:[10, 96], Operations: ['90-78=12', '8*12=96'] Exploring Operation: 96-10=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
4
Current State: 86:[90, 10, 78, 8], Operations: [] Exploring Operation: 10+78=88, Resulting Numbers: [90, 8, 88] Generated Node #0,0: 86:[90, 8, 88] Operation: 10+78=88 Exploring Operation: 10-8=2, Resulting Numbers: [90, 78, 2] Generated Node #0,1: 86:[90, 78, 2] Operation: 10-8=2 Start Sub Search at level 1: Moving to Node #0,0 Current State: 86:[90, 8, 88], Operations: ['10+78=88'] Exploring Operation: 90-88=2, Resulting Numbers: [8, 2] Generated Node #0,0,0: 86:[8, 2] Operation: 90-88=2 Exploring Operation: 90-8=82, Resulting Numbers: [88, 82] Generated Node #0,0,1: 86:[88, 82] Operation: 90-8=82 Moving to Node #0,0,0 Current State: 86:[8, 2], Operations: ['10+78=88', '90-88=2'] Exploring Operation: 8/2=4, Resulting Numbers: [4] 4,86 unequal: No Solution Exploring Operation: 8-2=6, Resulting Numbers: [6] 6,86 unequal: No Solution Moving to Node #0,0,1 Current State: 86:[88, 82], Operations: ['10+78=88', '90-8=82'] Exploring Operation: 88-82=6, Resulting Numbers: [6] 6,86 unequal: No Solution Exploring Operation: 88+82=170, Resulting Numbers: [170] 170,86 unequal: No Solution No 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: 86:[90, 78, 2], Operations: ['10-8=2'] Exploring Operation: 90-78=12, Resulting Numbers: [2, 12] Generated Node #0,1,0: 86:[2, 12] Operation: 90-78=12 Exploring Operation: 78/2=39, Resulting Numbers: [90, 39] Generated Node #0,1,1: 86:[90, 39] Operation: 78/2=39 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 86:[90, 39], Operations: ['10-8=2', '78/2=39'] Exploring Operation: 90-39=51, Resulting Numbers: [51] 51,86 unequal: No Solution Exploring Operation: 90+39=129, Resulting Numbers: [129] 129,86 unequal: No Solution No 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: 86:[2, 12], Operations: ['10-8=2', '90-78=12'] Exploring Operation: 12-2=10, Resulting Numbers: [10] 10,86 unequal: No Solution Exploring Operation: 12/2=6, Resulting Numbers: [6] 6,86 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 26, 3, 7, 12 ]
23
[ "26+7=33", "33/3=11", "12+11=23" ]
Current State: 23:[26, 3, 7, 12], Operations: [] Exploring Operation: 26+7=33, Resulting Numbers: [3, 12, 33] Generated Node #2: [3, 12, 33] from Operation: 26+7=33 Current State: 23:[3, 12, 33], Operations: ['26+7=33'] Exploring Operation: 33/3=11, Resulting Numbers: [12, 11] Generated Node #3: [12, 11] from Operation: 33/3=11 Current State: 23:[12, 11], Operations: ['26+7=33', '33/3=11'] Exploring Operation: 12+11=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
4
Current State: 23:[26, 3, 7, 12], Operations: [] Exploring Operation: 3+7=10, Resulting Numbers: [26, 12, 10] Generated Node #0,0: 23:[26, 12, 10] Operation: 3+7=10 Exploring Operation: 3+12=15, Resulting Numbers: [26, 7, 15] Generated Node #0,1: 23:[26, 7, 15] Operation: 3+12=15 Exploring Operation: 3*7=21, Resulting Numbers: [26, 12, 21] Generated Node #0,2: 23:[26, 12, 21] Operation: 3*7=21 Exploring Operation: 26-3=23, Resulting Numbers: [7, 12, 23] Generated Node #0,3: 23:[7, 12, 23] Operation: 26-3=23 Moving to Node #0,2 Current State: 23:[26, 12, 21], Operations: ['3*7=21'] Exploring Operation: 26-12=14, Resulting Numbers: [21, 14] Generated Node #0,2,0: 23:[21, 14] Operation: 26-12=14 Exploring Operation: 21-12=9, Resulting Numbers: [26, 9] Generated Node #0,2,1: 23:[26, 9] Operation: 21-12=9 Exploring Operation: 26+12=38, Resulting Numbers: [21, 38] Generated Node #0,2,2: 23:[21, 38] Operation: 26+12=38 Exploring Operation: 12+21=33, Resulting Numbers: [26, 33] Generated Node #0,2,3: 23:[26, 33] Operation: 12+21=33 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 23:[21, 14], Operations: ['3*7=21', '26-12=14'] Exploring Operation: 21*14=294, Resulting Numbers: [294] 294,23 unequal: No Solution Exploring Operation: 21+14=35, Resulting Numbers: [35] 35,23 unequal: No Solution Exploring Operation: 21-14=7, Resulting Numbers: [7] 7,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 23:[26, 33], Operations: ['3*7=21', '12+21=33'] Exploring Operation: 33-26=7, Resulting Numbers: [7] 7,23 unequal: No Solution Exploring Operation: 26+33=59, Resulting Numbers: [59] 59,23 unequal: No Solution Exploring Operation: 26*33=858, Resulting Numbers: [858] 858,23 unequal: No Solution No 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: 23:[26, 9], Operations: ['3*7=21', '21-12=9'] Exploring Operation: 26-9=17, Resulting Numbers: [17] 17,23 unequal: No Solution Exploring Operation: 26+9=35, Resulting Numbers: [35] 35,23 unequal: No Solution Exploring Operation: 26*9=234, Resulting Numbers: [234] 234,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 23:[21, 38], Operations: ['3*7=21', '26+12=38'] Exploring Operation: 21*38=798, Resulting Numbers: [798] 798,23 unequal: No Solution Exploring Operation: 21+38=59, Resulting Numbers: [59] 59,23 unequal: No Solution Exploring Operation: 38-21=17, Resulting Numbers: [17] 17,23 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: 23:[26, 7, 15], Operations: ['3+12=15'] Exploring Operation: 26-7=19, Resulting Numbers: [15, 19] Generated Node #0,1,0: 23:[15, 19] Operation: 26-7=19 Exploring Operation: 15-7=8, Resulting Numbers: [26, 8] Generated Node #0,1,1: 23:[26, 8] Operation: 15-7=8 Exploring Operation: 7+15=22, Resulting Numbers: [26, 22] Generated Node #0,1,2: 23:[26, 22] Operation: 7+15=22 Exploring Operation: 26+7=33, Resulting Numbers: [15, 33] Generated Node #0,1,3: 23:[15, 33] Operation: 26+7=33 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 23:[26, 22], Operations: ['3+12=15', '7+15=22'] Exploring Operation: 26+22=48, Resulting Numbers: [48] 48,23 unequal: No Solution Exploring Operation: 26-22=4, Resulting Numbers: [4] 4,23 unequal: No Solution Exploring Operation: 26*22=572, Resulting Numbers: [572] 572,23 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 #0,1,0 Current State: 23:[15, 19], Operations: ['3+12=15', '26-7=19'] Exploring Operation: 15*19=285, Resulting Numbers: [285] 285,23 unequal: No Solution Exploring Operation: 15+19=34, Resulting Numbers: [34] 34,23 unequal: No Solution Exploring Operation: 19-15=4, Resulting Numbers: [4] 4,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 23:[26, 8], Operations: ['3+12=15', '15-7=8'] Exploring Operation: 26-8=18, Resulting Numbers: [18] 18,23 unequal: No Solution Exploring Operation: 26*8=208, Resulting Numbers: [208] 208,23 unequal: No Solution Exploring Operation: 26+8=34, Resulting Numbers: [34] 34,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 23:[15, 33], Operations: ['3+12=15', '26+7=33'] Exploring Operation: 15+33=48, Resulting Numbers: [48] 48,23 unequal: No Solution Exploring Operation: 33-15=18, Resulting Numbers: [18] 18,23 unequal: No Solution Exploring Operation: 15*33=495, Resulting Numbers: [495] 495,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 23:[26, 12, 10], Operations: ['3+7=10'] Exploring Operation: 26+10=36, Resulting Numbers: [12, 36] Generated Node #0,0,0: 23:[12, 36] Operation: 26+10=36 Exploring Operation: 26-12=14, Resulting Numbers: [10, 14] Generated Node #0,0,1: 23:[10, 14] Operation: 26-12=14 Exploring Operation: 26-10=16, Resulting Numbers: [12, 16] Generated Node #0,0,2: 23:[12, 16] Operation: 26-10=16 Exploring Operation: 12+10=22, Resulting Numbers: [26, 22] Generated Node #0,0,3: 23:[26, 22] Operation: 12+10=22 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 23:[26, 22], Operations: ['3+7=10', '12+10=22'] Exploring Operation: 26-22=4, Resulting Numbers: [4] 4,23 unequal: No Solution Exploring Operation: 26+22=48, Resulting Numbers: [48] 48,23 unequal: No Solution Exploring Operation: 26*22=572, Resulting Numbers: [572] 572,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 23:[12, 16], Operations: ['3+7=10', '26-10=16'] Exploring Operation: 12+16=28, Resulting Numbers: [28] 28,23 unequal: No Solution Exploring Operation: 12*16=192, Resulting Numbers: [192] 192,23 unequal: No Solution Exploring Operation: 16-12=4, Resulting Numbers: [4] 4,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 23:[10, 14], Operations: ['3+7=10', '26-12=14'] Exploring Operation: 10*14=140, Resulting Numbers: [140] 140,23 unequal: No Solution Exploring Operation: 14-10=4, Resulting Numbers: [4] 4,23 unequal: No Solution Exploring Operation: 10+14=24, Resulting Numbers: [24] 24,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 23:[12, 36], Operations: ['3+7=10', '26+10=36'] Exploring Operation: 12*36=432, Resulting Numbers: [432] 432,23 unequal: No Solution Exploring Operation: 36-12=24, Resulting Numbers: [24] 24,23 unequal: No Solution Exploring Operation: 12+36=48, Resulting Numbers: [48] 48,23 unequal: No Solution Exploring Operation: 36/12=3, Resulting Numbers: [3] 3,23 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: 23:[7, 12, 23], Operations: ['26-3=23'] Exploring Operation: 7+23=30, Resulting Numbers: [12, 30] Generated Node #0,3,0: 23:[12, 30] Operation: 7+23=30 Exploring Operation: 7+12=19, Resulting Numbers: [23, 19] Generated Node #0,3,1: 23:[23, 19] Operation: 7+12=19 Exploring Operation: 23-7=16, Resulting Numbers: [12, 16] Generated Node #0,3,2: 23:[12, 16] Operation: 23-7=16 Exploring Operation: 12-7=5, Resulting Numbers: [23, 5] Generated Node #0,3,3: 23:[23, 5] Operation: 12-7=5 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 23:[23, 19], Operations: ['26-3=23', '7+12=19'] Exploring Operation: 23-19=4, Resulting Numbers: [4] 4,23 unequal: No Solution Exploring Operation: 23+19=42, Resulting Numbers: [42] 42,23 unequal: No Solution Exploring Operation: 23*19=437, Resulting Numbers: [437] 437,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 23:[12, 30], Operations: ['26-3=23', '7+23=30'] Exploring Operation: 12*30=360, Resulting Numbers: [360] 360,23 unequal: No Solution Exploring Operation: 12+30=42, Resulting Numbers: [42] 42,23 unequal: No Solution Exploring Operation: 30-12=18, Resulting Numbers: [18] 18,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 23:[12, 16], Operations: ['26-3=23', '23-7=16'] Exploring Operation: 16-12=4, Resulting Numbers: [4] 4,23 unequal: No Solution Exploring Operation: 12*16=192, Resulting Numbers: [192] 192,23 unequal: No Solution Exploring Operation: 12+16=28, Resulting Numbers: [28] 28,23 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 #0,3,3 Current State: 23:[23, 5], Operations: ['26-3=23', '12-7=5'] Exploring Operation: 23+5=28, Resulting Numbers: [28] 28,23 unequal: No Solution Exploring Operation: 23*5=115, Resulting Numbers: [115] 115,23 unequal: No Solution Exploring Operation: 23-5=18, Resulting Numbers: [18] 18,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
sum_heuristic
[ 61, 32, 75, 76 ]
93
[ "61+32=93", "76-75=1", "93*1=93" ]
Current State: 93:[61, 32, 75, 76], Operations: [] Exploring Operation: 61+32=93, Resulting Numbers: [75, 76, 93] Generated Node #2: [75, 76, 93] from Operation: 61+32=93 Current State: 93:[75, 76, 93], Operations: ['61+32=93'] Exploring Operation: 76-75=1, Resulting Numbers: [93, 1] Generated Node #3: [93, 1] from Operation: 76-75=1 Current State: 93:[93, 1], Operations: ['61+32=93', '76-75=1'] Exploring Operation: 93*1=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
4
Current State: 93:[61, 32, 75, 76], Operations: [] Exploring Operation: 75-61=14, Resulting Numbers: [32, 76, 14] Generated Node #0,0: 93:[32, 76, 14] Operation: 75-61=14 Moving to Node #0,0 Current State: 93:[32, 76, 14], Operations: ['75-61=14'] Exploring Operation: 76+14=90, Resulting Numbers: [32, 90] Generated Node #0,0,0: 93:[32, 90] Operation: 76+14=90 Moving to Node #0,0,0 Current State: 93:[32, 90], Operations: ['75-61=14', '76+14=90'] Exploring Operation: 90-32=58, Resulting Numbers: [58] 58,93 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 21, 64, 85, 97 ]
73
[ "21+64=85", "97-85=12", "85-12=73" ]
Current State: 73:[21, 64, 85, 97], Operations: [] Exploring Operation: 21+64=85, Resulting Numbers: [85, 97, 85] Generated Node #2: [85, 97, 85] from Operation: 21+64=85 Current State: 73:[85, 97, 85], Operations: ['21+64=85'] Exploring Operation: 97-85=12, Resulting Numbers: [12] 12,73 equal: Goal Reached Exploring Operation: 85-12=73, Resulting Numbers: [73] 73,73 equal: Goal Reached
4
Current State: 73:[21, 64, 85, 97], Operations: [] Exploring Operation: 85-21=64, Resulting Numbers: [64, 97, 64] Generated Node #0,0: 73:[64, 97, 64] Operation: 85-21=64 Exploring Operation: 97-21=76, Resulting Numbers: [64, 85, 76] Generated Node #0,1: 73:[64, 85, 76] Operation: 97-21=76 Exploring Operation: 21+64=85, Resulting Numbers: [85, 97, 85] Generated Node #0,2: 73:[85, 97, 85] Operation: 21+64=85 Moving to Node #0,1 Current State: 73:[64, 85, 76], Operations: ['97-21=76'] Exploring Operation: 85-64=21, Resulting Numbers: [76, 21] Generated Node #0,1,0: 73:[76, 21] Operation: 85-64=21 Exploring Operation: 76-64=12, Resulting Numbers: [85, 12] Generated Node #0,1,1: 73:[85, 12] Operation: 76-64=12 Exploring Operation: 85-76=9, Resulting Numbers: [64, 9] Generated Node #0,1,2: 73:[64, 9] Operation: 85-76=9 Moving to Node #0,0 Current State: 73:[64, 97, 64], Operations: ['85-21=64'] Exploring Operation: 97-64=33, Resulting Numbers: [64, 33] Generated Node #0,0,0: 73:[64, 33] Operation: 97-64=33 Exploring Operation: 64+64=128, Resulting Numbers: [97, 128] Generated Node #0,0,1: 73:[97, 128] Operation: 64+64=128 Exploring Operation: 97-64=33, Resulting Numbers: [64, 33] Generated Node #0,0,2: 73:[64, 33] Operation: 97-64=33 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 73:[64, 33], Operations: ['85-21=64', '97-64=33'] Exploring Operation: 64-33=31, Resulting Numbers: [31] 31,73 unequal: No Solution Exploring Operation: 64*33=2112, Resulting Numbers: [2112] 2112,73 unequal: No Solution Exploring Operation: 64+33=97, Resulting Numbers: [97] 97,73 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 #0,0,2 Current State: 73:[64, 33], Operations: ['85-21=64', '97-64=33'] Exploring Operation: 64-33=31, Resulting Numbers: [31] 31,73 unequal: No Solution Exploring Operation: 64+33=97, Resulting Numbers: [97] 97,73 unequal: No Solution Exploring Operation: 64*33=2112, Resulting Numbers: [2112] 2112,73 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:[97, 128], Operations: ['85-21=64', '64+64=128'] Exploring Operation: 97+128=225, Resulting Numbers: [225] 225,73 unequal: No Solution Exploring Operation: 97*128=12416, Resulting Numbers: [12416] 12416,73 unequal: No Solution Exploring Operation: 128-97=31, Resulting Numbers: [31] 31,73 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: 73:[85, 97, 85], Operations: ['21+64=85'] Exploring Operation: 85/85=1, Resulting Numbers: [97, 1] Generated Node #0,2,0: 73:[97, 1] Operation: 85/85=1 Exploring Operation: 97-85=12, Resulting Numbers: [85, 12] Generated Node #0,2,1: 73:[85, 12] Operation: 97-85=12 Exploring Operation: 97-85=12, Resulting Numbers: [85, 12] Generated Node #0,2,2: 73:[85, 12] Operation: 97-85=12 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 73:[85, 12], Operations: ['21+64=85', '97-85=12'] Exploring Operation: 85-12=73, Resulting Numbers: [73] 73,73 equal: Goal Reached Moving to Node #0 Current State: 73:[21, 64, 85, 97], Operations: [] Exploring Operation: 21+64=85, Resulting Numbers: [85, 97, 85] Generated Node #0,2: 73:[85, 97, 85] Operation: 21+64=85 Moving to Node #0,2 Current State: 73:[85, 97, 85], Operations: ['21+64=85'] Exploring Operation: 97-85=12, Resulting Numbers: [85, 12] Generated Node #0,2,1: 73:[85, 12] Operation: 97-85=12 Moving to Node #0,2,1 Current State: 73:[85, 12], Operations: ['21+64=85', '97-85=12'] Exploring Operation: 85-12=73, Resulting Numbers: [73] 73,73 equal: Goal Reached Exit Sub Search at level 1
0.977431
hs_3
sum_heuristic
[ 9, 50, 26, 22 ]
34
[ "50+22=72", "72/9=8", "26+8=34" ]
Current State: 34:[9, 50, 26, 22], Operations: [] Exploring Operation: 50+22=72, Resulting Numbers: [9, 26, 72] Generated Node #2: [9, 26, 72] from Operation: 50+22=72 Current State: 34:[9, 26, 72], Operations: ['50+22=72'] Exploring Operation: 72/9=8, Resulting Numbers: [26, 8] Generated Node #3: [26, 8] from Operation: 72/9=8 Current State: 34:[26, 8], Operations: ['50+22=72', '72/9=8'] Exploring Operation: 26+8=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
4
Current State: 34:[9, 50, 26, 22], Operations: [] Exploring Operation: 50-26=24, Resulting Numbers: [9, 22, 24] Generated Node #0,0: 34:[9, 22, 24] Operation: 50-26=24 Exploring Operation: 50-9=41, Resulting Numbers: [26, 22, 41] Generated Node #0,1: 34:[26, 22, 41] Operation: 50-9=41 Moving to Node #0,0 Current State: 34:[9, 22, 24], Operations: ['50-26=24'] Exploring Operation: 9+24=33, Resulting Numbers: [22, 33] Generated Node #0,0,0: 34:[22, 33] Operation: 9+24=33 Exploring Operation: 24-9=15, Resulting Numbers: [22, 15] Generated Node #0,0,1: 34:[22, 15] Operation: 24-9=15 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 34:[22, 33], Operations: ['50-26=24', '9+24=33'] Exploring Operation: 22+33=55, Resulting Numbers: [55] 55,34 unequal: No Solution Exploring Operation: 33-22=11, Resulting Numbers: [11] 11,34 unequal: No Solution No 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: 34:[22, 15], Operations: ['50-26=24', '24-9=15'] Exploring Operation: 22+15=37, Resulting Numbers: [37] 37,34 unequal: No Solution Exploring Operation: 22-15=7, Resulting Numbers: [7] 7,34 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: 34:[26, 22, 41], Operations: ['50-9=41'] Exploring Operation: 26-22=4, Resulting Numbers: [41, 4] Generated Node #0,1,0: 34:[41, 4] Operation: 26-22=4 Exploring Operation: 41-26=15, Resulting Numbers: [22, 15] Generated Node #0,1,1: 34:[22, 15] Operation: 41-26=15 Moving to Node #0,1,1 Current State: 34:[22, 15], Operations: ['50-9=41', '41-26=15'] Exploring Operation: 22-15=7, Resulting Numbers: [7] 7,34 unequal: No Solution Exploring Operation: 22+15=37, Resulting Numbers: [37] 37,34 unequal: No Solution Moving to Node #0,1,0 Current State: 34:[41, 4], Operations: ['50-9=41', '26-22=4'] Exploring Operation: 41-4=37, Resulting Numbers: [37] 37,34 unequal: No Solution Exploring Operation: 41+4=45, Resulting Numbers: [45] 45,34 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 68, 62, 66, 64 ]
70
[ "62+66=128", "128/64=2", "68+2=70" ]
Current State: 70:[68, 62, 66, 64], Operations: [] Exploring Operation: 62+66=128, Resulting Numbers: [68, 64, 128] Generated Node #2: [68, 64, 128] from Operation: 62+66=128 Current State: 70:[68, 64, 128], Operations: ['62+66=128'] Exploring Operation: 128/64=2, Resulting Numbers: [68, 2] Generated Node #3: [68, 2] from Operation: 128/64=2 Current State: 70:[68, 2], Operations: ['62+66=128', '128/64=2'] Exploring Operation: 68+2=70, Resulting Numbers: [70] 70,70 equal: Goal Reached
4
Current State: 70:[68, 62, 66, 64], Operations: [] Exploring Operation: 64-62=2, Resulting Numbers: [68, 66, 2] Generated Node #0,0: 70:[68, 66, 2] Operation: 64-62=2 Exploring Operation: 66-62=4, Resulting Numbers: [68, 64, 4] Generated Node #0,1: 70:[68, 64, 4] Operation: 66-62=4 Start Sub Search at level 1: Moving to Node #0,0 Current State: 70:[68, 66, 2], Operations: ['64-62=2'] Exploring Operation: 68+2=70, Resulting Numbers: [66, 70] Generated Node #0,0,0: 70:[66, 70] Operation: 68+2=70 Exploring Operation: 68-66=2, Resulting Numbers: [2, 2] Generated Node #0,0,1: 70:[2, 2] Operation: 68-66=2 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 70:[2, 2], Operations: ['64-62=2', '68-66=2'] Exploring Operation: 2+2=4, Resulting Numbers: [4] 4,70 unequal: No Solution Exploring Operation: 2*2=4, Resulting Numbers: [4] 4,70 unequal: No Solution No 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: 70:[66, 70], Operations: ['64-62=2', '68+2=70'] Exploring Operation: 66+70=136, Resulting Numbers: [136] 136,70 unequal: No Solution Exploring Operation: 70-66=4, Resulting Numbers: [4] 4,70 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: 70:[68, 64, 4], Operations: ['66-62=4'] Exploring Operation: 64+4=68, Resulting Numbers: [68, 68] Generated Node #0,1,0: 70:[68, 68] Operation: 64+4=68 Exploring Operation: 68-64=4, Resulting Numbers: [4, 4] Generated Node #0,1,1: 70:[4, 4] Operation: 68-64=4 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 70:[4, 4], Operations: ['66-62=4', '68-64=4'] Exploring Operation: 4/4=1, Resulting Numbers: [1] 1,70 unequal: No Solution Exploring Operation: 4+4=8, Resulting Numbers: [8] 8,70 unequal: No Solution No 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: 70:[68, 68], Operations: ['66-62=4', '64+4=68'] Exploring Operation: 68-68=0, Resulting Numbers: [0] 0,70 unequal: No Solution Exploring Operation: 68/68=1, Resulting Numbers: [1] 1,70 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 24, 12, 67, 36 ]
49
[ "24/12=2", "36/2=18", "67-18=49" ]
Current State: 49:[24, 12, 67, 36], Operations: [] Exploring Operation: 24/12=2, Resulting Numbers: [67, 36, 2] Generated Node #2: [67, 36, 2] from Operation: 24/12=2 Current State: 49:[67, 36, 2], Operations: ['24/12=2'] Exploring Operation: 36/2=18, Resulting Numbers: [67, 18] Generated Node #3: [67, 18] from Operation: 36/2=18 Current State: 49:[67, 18], Operations: ['24/12=2', '36/2=18'] Exploring Operation: 67-18=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
4
Current State: 49:[24, 12, 67, 36], Operations: [] Exploring Operation: 36-24=12, Resulting Numbers: [12, 67, 12] Generated Node #0,0: 49:[12, 67, 12] Operation: 36-24=12 Exploring Operation: 67-24=43, Resulting Numbers: [12, 36, 43] Generated Node #0,1: 49:[12, 36, 43] Operation: 67-24=43 Exploring Operation: 24-12=12, Resulting Numbers: [67, 36, 12] Generated Node #0,2: 49:[67, 36, 12] Operation: 24-12=12 Exploring Operation: 24+36=60, Resulting Numbers: [12, 67, 60] Generated Node #0,3: 49:[12, 67, 60] Operation: 24+36=60 Exploring Operation: 24/12=2, Resulting Numbers: [67, 36, 2] Generated Node #0,4: 49:[67, 36, 2] Operation: 24/12=2 Start Sub Search at level 1: Moving to Node #0,1 Current State: 49:[12, 36, 43], Operations: ['67-24=43'] Exploring Operation: 12+43=55, Resulting Numbers: [36, 55] Generated Node #0,1,0: 49:[36, 55] Operation: 12+43=55 Exploring Operation: 36-12=24, Resulting Numbers: [43, 24] Generated Node #0,1,1: 49:[43, 24] Operation: 36-12=24 Exploring Operation: 43-36=7, Resulting Numbers: [12, 7] Generated Node #0,1,2: 49:[12, 7] Operation: 43-36=7 Exploring Operation: 12+36=48, Resulting Numbers: [43, 48] Generated Node #0,1,3: 49:[43, 48] Operation: 12+36=48 Exploring Operation: 36/12=3, Resulting Numbers: [43, 3] Generated Node #0,1,4: 49:[43, 3] Operation: 36/12=3 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 49:[12, 7], Operations: ['67-24=43', '43-36=7'] Exploring Operation: 12-7=5, Resulting Numbers: [5] 5,49 unequal: No Solution Exploring Operation: 12+7=19, Resulting Numbers: [19] 19,49 unequal: No Solution Exploring Operation: 12*7=84, Resulting Numbers: [84] 84,49 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 #0,1,3 Current State: 49:[43, 48], Operations: ['67-24=43', '12+36=48'] Exploring Operation: 43+48=91, Resulting Numbers: [91] 91,49 unequal: No Solution Exploring Operation: 48-43=5, Resulting Numbers: [5] 5,49 unequal: No Solution Exploring Operation: 43*48=2064, Resulting Numbers: [2064] 2064,49 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 #0,1,4 Current State: 49:[43, 3], Operations: ['67-24=43', '36/12=3'] Exploring Operation: 43*3=129, Resulting Numbers: [129] 129,49 unequal: No Solution Exploring Operation: 43+3=46, Resulting Numbers: [46] 46,49 unequal: No Solution Exploring Operation: 43-3=40, Resulting Numbers: [40] 40,49 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 #0,1,0 Current State: 49:[36, 55], Operations: ['67-24=43', '12+43=55'] Exploring Operation: 36*55=1980, Resulting Numbers: [1980] 1980,49 unequal: No Solution Exploring Operation: 36+55=91, Resulting Numbers: [91] 91,49 unequal: No Solution Exploring Operation: 55-36=19, Resulting Numbers: [19] 19,49 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 #0,1,1 Current State: 49:[43, 24], Operations: ['67-24=43', '36-12=24'] Exploring Operation: 43-24=19, Resulting Numbers: [19] 19,49 unequal: No Solution Exploring Operation: 43*24=1032, Resulting Numbers: [1032] 1032,49 unequal: No Solution Exploring Operation: 43+24=67, Resulting Numbers: [67] 67,49 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: 49:[12, 67, 12], Operations: ['36-24=12'] Exploring Operation: 12+67=79, Resulting Numbers: [12, 79] Generated Node #0,0,0: 49:[12, 79] Operation: 12+67=79 Exploring Operation: 67-12=55, Resulting Numbers: [12, 55] Generated Node #0,0,1: 49:[12, 55] Operation: 67-12=55 Exploring Operation: 67-12=55, Resulting Numbers: [12, 55] Generated Node #0,0,2: 49:[12, 55] Operation: 67-12=55 Exploring Operation: 12-12=0, Resulting Numbers: [67, 0] Generated Node #0,0,3: 49:[67, 0] Operation: 12-12=0 Exploring Operation: 12/12=1, Resulting Numbers: [67, 1] Generated Node #0,0,4: 49:[67, 1] Operation: 12/12=1 Moving to Node #0,0,1 Current State: 49:[12, 55], Operations: ['36-24=12', '67-12=55'] Exploring Operation: 12+55=67, Resulting Numbers: [67] 67,49 unequal: No Solution Exploring Operation: 55-12=43, Resulting Numbers: [43] 43,49 unequal: No Solution Exploring Operation: 12*55=660, Resulting Numbers: [660] 660,49 unequal: No Solution Moving to Node #0,0,2 Current State: 49:[12, 55], Operations: ['36-24=12', '67-12=55'] Exploring Operation: 12+55=67, Resulting Numbers: [67] 67,49 unequal: No Solution Exploring Operation: 55-12=43, Resulting Numbers: [43] 43,49 unequal: No Solution Exploring Operation: 12*55=660, Resulting Numbers: [660] 660,49 unequal: No Solution Moving to Node #0,0,4 Current State: 49:[67, 1], Operations: ['36-24=12', '12/12=1'] Exploring Operation: 67-1=66, Resulting Numbers: [66] 66,49 unequal: No Solution Exploring Operation: 67*1=67, Resulting Numbers: [67] 67,49 unequal: No Solution Exploring Operation: 67/1=67, Resulting Numbers: [67] 67,49 unequal: No Solution Exploring Operation: 67+1=68, Resulting Numbers: [68] 68,49 unequal: No Solution Moving to Node #0,0,3 Current State: 49:[67, 0], Operations: ['36-24=12', '12-12=0'] Exploring Operation: 67*0=0, Resulting Numbers: [0] 0,49 unequal: No Solution Exploring Operation: 67+0=67, Resulting Numbers: [67] 67,49 unequal: No Solution Exploring Operation: 67-0=67, Resulting Numbers: [67] 67,49 unequal: No Solution Moving to Node #0,0,0 Current State: 49:[12, 79], Operations: ['36-24=12', '12+67=79'] Exploring Operation: 12+79=91, Resulting Numbers: [91] 91,49 unequal: No Solution Exploring Operation: 12*79=948, Resulting Numbers: [948] 948,49 unequal: No Solution Exploring Operation: 79-12=67, Resulting Numbers: [67] 67,49 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 Current State: 49:[12, 67, 60], Operations: ['24+36=60'] Exploring Operation: 60/12=5, Resulting Numbers: [67, 5] Generated Node #0,3,0: 49:[67, 5] Operation: 60/12=5 Exploring Operation: 12+67=79, Resulting Numbers: [60, 79] Generated Node #0,3,1: 49:[60, 79] Operation: 12+67=79 Exploring Operation: 60-12=48, Resulting Numbers: [67, 48] Generated Node #0,3,2: 49:[67, 48] Operation: 60-12=48 Exploring Operation: 67-12=55, Resulting Numbers: [60, 55] Generated Node #0,3,3: 49:[60, 55] Operation: 67-12=55 Exploring Operation: 67-60=7, Resulting Numbers: [12, 7] Generated Node #0,3,4: 49:[12, 7] Operation: 67-60=7 Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 49:[12, 7], Operations: ['24+36=60', '67-60=7'] Exploring Operation: 12*7=84, Resulting Numbers: [84] 84,49 unequal: No Solution Exploring Operation: 12-7=5, Resulting Numbers: [5] 5,49 unequal: No Solution Exploring Operation: 12+7=19, Resulting Numbers: [19] 19,49 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:[60, 55], Operations: ['24+36=60', '67-12=55'] Exploring Operation: 60-55=5, Resulting Numbers: [5] 5,49 unequal: No Solution Exploring Operation: 60+55=115, Resulting Numbers: [115] 115,49 unequal: No Solution Exploring Operation: 60*55=3300, Resulting Numbers: [3300] 3300,49 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 #0,3,2 Current State: 49:[67, 48], Operations: ['24+36=60', '60-12=48'] Exploring Operation: 67+48=115, Resulting Numbers: [115] 115,49 unequal: No Solution Exploring Operation: 67-48=19, Resulting Numbers: [19] 19,49 unequal: No Solution Exploring Operation: 67*48=3216, Resulting Numbers: [3216] 3216,49 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:[67, 5], Operations: ['24+36=60', '60/12=5'] Exploring Operation: 67-5=62, Resulting Numbers: [62] 62,49 unequal: No Solution Exploring Operation: 67*5=335, Resulting Numbers: [335] 335,49 unequal: No Solution Exploring Operation: 67+5=72, Resulting Numbers: [72] 72,49 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 #0,3,1 Current State: 49:[60, 79], Operations: ['24+36=60', '12+67=79'] Exploring Operation: 79-60=19, Resulting Numbers: [19] 19,49 unequal: No Solution Exploring Operation: 60+79=139, Resulting Numbers: [139] 139,49 unequal: No Solution Exploring Operation: 60*79=4740, Resulting Numbers: [4740] 4740,49 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: 49:[67, 36, 12], Operations: ['24-12=12'] Exploring Operation: 67-36=31, Resulting Numbers: [12, 31] Generated Node #0,2,0: 49:[12, 31] Operation: 67-36=31 Exploring Operation: 36+12=48, Resulting Numbers: [67, 48] Generated Node #0,2,1: 49:[67, 48] Operation: 36+12=48 Exploring Operation: 36-12=24, Resulting Numbers: [67, 24] Generated Node #0,2,2: 49:[67, 24] Operation: 36-12=24 Exploring Operation: 67-12=55, Resulting Numbers: [36, 55] Generated Node #0,2,3: 49:[36, 55] Operation: 67-12=55 Exploring Operation: 36/12=3, Resulting Numbers: [67, 3] Generated Node #0,2,4: 49:[67, 3] Operation: 36/12=3 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 49:[67, 48], Operations: ['24-12=12', '36+12=48'] Exploring Operation: 67*48=3216, Resulting Numbers: [3216] 3216,49 unequal: No Solution Exploring Operation: 67+48=115, Resulting Numbers: [115] 115,49 unequal: No Solution Exploring Operation: 67-48=19, Resulting Numbers: [19] 19,49 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 #0,2,3 Current State: 49:[36, 55], Operations: ['24-12=12', '67-12=55'] Exploring Operation: 55-36=19, Resulting Numbers: [19] 19,49 unequal: No Solution Exploring Operation: 36*55=1980, Resulting Numbers: [1980] 1980,49 unequal: No Solution Exploring Operation: 36+55=91, Resulting Numbers: [91] 91,49 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 #0,2,4 Current State: 49:[67, 3], Operations: ['24-12=12', '36/12=3'] Exploring Operation: 67+3=70, Resulting Numbers: [70] 70,49 unequal: No Solution Exploring Operation: 67*3=201, Resulting Numbers: [201] 201,49 unequal: No Solution Exploring Operation: 67-3=64, Resulting Numbers: [64] 64,49 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 #0,2,0 Current State: 49:[12, 31], Operations: ['24-12=12', '67-36=31'] Exploring Operation: 12*31=372, Resulting Numbers: [372] 372,49 unequal: No Solution Exploring Operation: 31-12=19, Resulting Numbers: [19] 19,49 unequal: No Solution Exploring Operation: 12+31=43, Resulting Numbers: [43] 43,49 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 #0,2,2 Current State: 49:[67, 24], Operations: ['24-12=12', '36-12=24'] Exploring Operation: 67*24=1608, Resulting Numbers: [1608] 1608,49 unequal: No Solution Exploring Operation: 67+24=91, Resulting Numbers: [91] 91,49 unequal: No Solution Exploring Operation: 67-24=43, Resulting Numbers: [43] 43,49 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: 49:[67, 36, 2], Operations: ['24/12=2'] Exploring Operation: 36+2=38, Resulting Numbers: [67, 38] Generated Node #0,4,0: 49:[67, 38] Operation: 36+2=38 Exploring Operation: 67-36=31, Resulting Numbers: [2, 31] Generated Node #0,4,1: 49:[2, 31] Operation: 67-36=31 Exploring Operation: 67-2=65, Resulting Numbers: [36, 65] Generated Node #0,4,2: 49:[36, 65] Operation: 67-2=65 Exploring Operation: 67+2=69, Resulting Numbers: [36, 69] Generated Node #0,4,3: 49:[36, 69] Operation: 67+2=69 Exploring Operation: 36/2=18, Resulting Numbers: [67, 18] Generated Node #0,4,4: 49:[67, 18] Operation: 36/2=18 Moving to Node #0,4,1 Current State: 49:[2, 31], Operations: ['24/12=2', '67-36=31'] Exploring Operation: 31-2=29, Resulting Numbers: [29] 29,49 unequal: No Solution Exploring Operation: 2+31=33, Resulting Numbers: [33] 33,49 unequal: No Solution Exploring Operation: 2*31=62, Resulting Numbers: [62] 62,49 unequal: No Solution Moving to Node #0,4,2 Current State: 49:[36, 65], Operations: ['24/12=2', '67-2=65'] Exploring Operation: 36+65=101, Resulting Numbers: [101] 101,49 unequal: No Solution Exploring Operation: 65-36=29, Resulting Numbers: [29] 29,49 unequal: No Solution Exploring Operation: 36*65=2340, Resulting Numbers: [2340] 2340,49 unequal: No Solution Moving to Node #0,4,0 Current State: 49:[67, 38], Operations: ['24/12=2', '36+2=38'] Exploring Operation: 67+38=105, Resulting Numbers: [105] 105,49 unequal: No Solution Exploring Operation: 67*38=2546, Resulting Numbers: [2546] 2546,49 unequal: No Solution Exploring Operation: 67-38=29, Resulting Numbers: [29] 29,49 unequal: No Solution Moving to Node #0,4,4 Current State: 49:[67, 18], Operations: ['24/12=2', '36/2=18'] Exploring Operation: 67-18=49, Resulting Numbers: [49] 49,49 equal: Goal Reached Moving to Node #0 Current State: 49:[24, 12, 67, 36], Operations: [] Exploring Operation: 24/12=2, Resulting Numbers: [67, 36, 2] Generated Node #0,4: 49:[67, 36, 2] Operation: 24/12=2 Moving to Node #0,4 Current State: 49:[67, 36, 2], Operations: ['24/12=2'] Exploring Operation: 36/2=18, Resulting Numbers: [67, 18] Generated Node #0,4,4: 49:[67, 18] Operation: 36/2=18 Moving to Node #0,4,4 Current State: 49:[67, 18], Operations: ['24/12=2', '36/2=18'] Exploring Operation: 67-18=49, Resulting Numbers: [49] 49,49 equal: Goal Reached Exit Sub Search at level 1
0.908854
hs_5
mult_heuristic
[ 18, 20, 45, 67 ]
59
[ "18*20=360", "360/45=8", "67-8=59" ]
Current State: 59:[18, 20, 45, 67], Operations: [] Exploring Operation: 18*20=360, Resulting Numbers: [45, 67, 360] Generated Node #2: [45, 67, 360] from Operation: 18*20=360 Current State: 59:[45, 67, 360], Operations: ['18*20=360'] Exploring Operation: 360/45=8, Resulting Numbers: [67, 8] Generated Node #3: [67, 8] from Operation: 360/45=8 Current State: 59:[67, 8], Operations: ['18*20=360', '360/45=8'] Exploring Operation: 67-8=59, Resulting Numbers: [59] 59,59 equal: Goal Reached
4
Current State: 59:[18, 20, 45, 67], Operations: [] Exploring Operation: 18+45=63, Resulting Numbers: [20, 67, 63] Generated Node #0,0: 59:[20, 67, 63] Operation: 18+45=63 Exploring Operation: 20+45=65, Resulting Numbers: [18, 67, 65] Generated Node #0,1: 59:[18, 67, 65] Operation: 20+45=65 Exploring Operation: 18+20=38, Resulting Numbers: [45, 67, 38] Generated Node #0,2: 59:[45, 67, 38] Operation: 18+20=38 Start Sub Search at level 1: Moving to Node #0,2 Current State: 59:[45, 67, 38], Operations: ['18+20=38'] Exploring Operation: 67-45=22, Resulting Numbers: [38, 22] Generated Node #0,2,0: 59:[38, 22] Operation: 67-45=22 Exploring Operation: 67-38=29, Resulting Numbers: [45, 29] Generated Node #0,2,1: 59:[45, 29] Operation: 67-38=29 Exploring Operation: 45+38=83, Resulting Numbers: [67, 83] Generated Node #0,2,2: 59:[67, 83] Operation: 45+38=83 Moving to Node #0,2,2 Current State: 59:[67, 83], Operations: ['18+20=38', '45+38=83'] Exploring Operation: 83-67=16, Resulting Numbers: [16] 16,59 unequal: No Solution Exploring Operation: 67+83=150, Resulting Numbers: [150] 150,59 unequal: No Solution Exploring Operation: 67*83=5561, Resulting Numbers: [5561] 5561,59 unequal: No Solution Moving to Node #0,2,1 Current State: 59:[45, 29], Operations: ['18+20=38', '67-38=29'] Exploring Operation: 45+29=74, Resulting Numbers: [74] 74,59 unequal: No Solution Exploring Operation: 45-29=16, Resulting Numbers: [16] 16,59 unequal: No Solution Exploring Operation: 45*29=1305, Resulting Numbers: [1305] 1305,59 unequal: No Solution Moving to Node #0,2,0 Current State: 59:[38, 22], Operations: ['18+20=38', '67-45=22'] Exploring Operation: 38+22=60, Resulting Numbers: [60] 60,59 unequal: No Solution Exploring Operation: 38*22=836, Resulting Numbers: [836] 836,59 unequal: No Solution Exploring Operation: 38-22=16, Resulting Numbers: [16] 16,59 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 59:[20, 67, 63], Operations: ['18+45=63'] Exploring Operation: 63-20=43, Resulting Numbers: [67, 43] Generated Node #0,0,0: 59:[67, 43] Operation: 63-20=43 Exploring Operation: 20+67=87, Resulting Numbers: [63, 87] Generated Node #0,0,1: 59:[63, 87] Operation: 20+67=87 Exploring Operation: 67-20=47, Resulting Numbers: [63, 47] Generated Node #0,0,2: 59:[63, 47] Operation: 67-20=47 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 59:[63, 47], Operations: ['18+45=63', '67-20=47'] Exploring Operation: 63-47=16, Resulting Numbers: [16] 16,59 unequal: No Solution Exploring Operation: 63*47=2961, Resulting Numbers: [2961] 2961,59 unequal: No Solution Exploring Operation: 63+47=110, Resulting Numbers: [110] 110,59 unequal: No Solution No 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: 59:[67, 43], Operations: ['18+45=63', '63-20=43'] Exploring Operation: 67*43=2881, Resulting Numbers: [2881] 2881,59 unequal: No Solution Exploring Operation: 67-43=24, Resulting Numbers: [24] 24,59 unequal: No Solution Exploring Operation: 67+43=110, Resulting Numbers: [110] 110,59 unequal: No Solution No 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: 59:[63, 87], Operations: ['18+45=63', '20+67=87'] Exploring Operation: 63+87=150, Resulting Numbers: [150] 150,59 unequal: No Solution Exploring Operation: 87-63=24, Resulting Numbers: [24] 24,59 unequal: No Solution Exploring Operation: 63*87=5481, Resulting Numbers: [5481] 5481,59 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: 59:[18, 67, 65], Operations: ['20+45=65'] Exploring Operation: 67-18=49, Resulting Numbers: [65, 49] Generated Node #0,1,0: 59:[65, 49] Operation: 67-18=49 Exploring Operation: 18+67=85, Resulting Numbers: [65, 85] Generated Node #0,1,1: 59:[65, 85] Operation: 18+67=85 Exploring Operation: 65-18=47, Resulting Numbers: [67, 47] Generated Node #0,1,2: 59:[67, 47] Operation: 65-18=47 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 59:[65, 49], Operations: ['20+45=65', '67-18=49'] Exploring Operation: 65+49=114, Resulting Numbers: [114] 114,59 unequal: No Solution Exploring Operation: 65*49=3185, Resulting Numbers: [3185] 3185,59 unequal: No Solution Exploring Operation: 65-49=16, Resulting Numbers: [16] 16,59 unequal: No Solution No 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: 59:[67, 47], Operations: ['20+45=65', '65-18=47'] Exploring Operation: 67+47=114, Resulting Numbers: [114] 114,59 unequal: No Solution Exploring Operation: 67*47=3149, Resulting Numbers: [3149] 3149,59 unequal: No Solution Exploring Operation: 67-47=20, Resulting Numbers: [20] 20,59 unequal: No Solution No 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: 59:[65, 85], Operations: ['20+45=65', '18+67=85'] Exploring Operation: 65*85=5525, Resulting Numbers: [5525] 5525,59 unequal: No Solution Exploring Operation: 85-65=20, Resulting Numbers: [20] 20,59 unequal: No Solution Exploring Operation: 65+85=150, Resulting Numbers: [150] 150,59 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 57, 63, 67, 11 ]
64
[ "57+63=120", "67-11=56", "120-56=64" ]
Current State: 64:[57, 63, 67, 11], Operations: [] Exploring Operation: 57+63=120, Resulting Numbers: [67, 11, 120] Generated Node #2: [67, 11, 120] from Operation: 57+63=120 Current State: 64:[67, 11, 120], Operations: ['57+63=120'] Exploring Operation: 67-11=56, Resulting Numbers: [120, 56] Generated Node #3: [120, 56] from Operation: 67-11=56 Current State: 64:[120, 56], Operations: ['57+63=120', '67-11=56'] Exploring Operation: 120-56=64, Resulting Numbers: [64] 64,64 equal: Goal Reached
4
Current State: 64:[57, 63, 67, 11], Operations: [] Exploring Operation: 57+11=68, Resulting Numbers: [63, 67, 68] Generated Node #0,0: 64:[63, 67, 68] Operation: 57+11=68 Exploring Operation: 67-63=4, Resulting Numbers: [57, 11, 4] Generated Node #0,1: 64:[57, 11, 4] Operation: 67-63=4 Exploring Operation: 63-57=6, Resulting Numbers: [67, 11, 6] Generated Node #0,2: 64:[67, 11, 6] Operation: 63-57=6 Exploring Operation: 67-11=56, Resulting Numbers: [57, 63, 56] Generated Node #0,3: 64:[57, 63, 56] Operation: 67-11=56 Exploring Operation: 67-57=10, Resulting Numbers: [63, 11, 10] Generated Node #0,4: 64:[63, 11, 10] Operation: 67-57=10 Start Sub Search at level 1: Moving to Node #0,4 Current State: 64:[63, 11, 10], Operations: ['67-57=10'] Exploring Operation: 63+10=73, Resulting Numbers: [11, 73] Generated Node #0,4,0: 64:[11, 73] Operation: 63+10=73 Exploring Operation: 11+10=21, Resulting Numbers: [63, 21] Generated Node #0,4,1: 64:[63, 21] Operation: 11+10=21 Exploring Operation: 63+11=74, Resulting Numbers: [10, 74] Generated Node #0,4,2: 64:[10, 74] Operation: 63+11=74 Exploring Operation: 63-11=52, Resulting Numbers: [10, 52] Generated Node #0,4,3: 64:[10, 52] Operation: 63-11=52 Exploring Operation: 11-10=1, Resulting Numbers: [63, 1] Generated Node #0,4,4: 64:[63, 1] Operation: 11-10=1 Moving to Node #0,4,4 Current State: 64:[63, 1], Operations: ['67-57=10', '11-10=1'] Exploring Operation: 63+1=64, Resulting Numbers: [64] 64,64 equal: Goal Reached Moving to Node #0 Current State: 64:[57, 63, 67, 11], Operations: [] Exploring Operation: 67-57=10, Resulting Numbers: [63, 11, 10] Generated Node #0,4: 64:[63, 11, 10] Operation: 67-57=10 Moving to Node #0,4 Current State: 64:[63, 11, 10], Operations: ['67-57=10'] Exploring Operation: 11-10=1, Resulting Numbers: [63, 1] Generated Node #0,4,4: 64:[63, 1] Operation: 11-10=1 Moving to Node #0,4,4 Current State: 64:[63, 1], Operations: ['67-57=10', '11-10=1'] Exploring Operation: 63+1=64, Resulting Numbers: [64] 64,64 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_5
mult_heuristic
[ 94, 5, 69, 81 ]
44
[ "94-69=25", "5*25=125", "125-81=44" ]
Current State: 44:[94, 5, 69, 81], Operations: [] Exploring Operation: 94-69=25, Resulting Numbers: [5, 81, 25] Generated Node #2: [5, 81, 25] from Operation: 94-69=25 Current State: 44:[5, 81, 25], Operations: ['94-69=25'] Exploring Operation: 5*25=125, Resulting Numbers: [81, 125] Generated Node #3: [81, 125] from Operation: 5*25=125 Current State: 44:[81, 125], Operations: ['94-69=25', '5*25=125'] Exploring Operation: 125-81=44, Resulting Numbers: [44] 44,44 equal: Goal Reached
4
Current State: 44:[94, 5, 69, 81], Operations: [] Exploring Operation: 94-81=13, Resulting Numbers: [5, 69, 13] Generated Node #0,0: 44:[5, 69, 13] Operation: 94-81=13 Start Sub Search at level 1: Moving to Node #0,0 Current State: 44:[5, 69, 13], Operations: ['94-81=13'] Exploring Operation: 69-13=56, Resulting Numbers: [5, 56] Generated Node #0,0,0: 44:[5, 56] Operation: 69-13=56 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 44:[5, 56], Operations: ['94-81=13', '69-13=56'] Exploring Operation: 56-5=51, Resulting Numbers: [51] 51,44 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
[ 66, 13, 44, 48 ]
45
[ "44*48=2112", "2112/66=32", "13+32=45" ]
Current State: 45:[66, 13, 44, 48], Operations: [] Exploring Operation: 44*48=2112, Resulting Numbers: [66, 13, 2112] Generated Node #2: [66, 13, 2112] from Operation: 44*48=2112 Current State: 45:[66, 13, 2112], Operations: ['44*48=2112'] Exploring Operation: 2112/66=32, Resulting Numbers: [13, 32] Generated Node #3: [13, 32] from Operation: 2112/66=32 Current State: 45:[13, 32], Operations: ['44*48=2112', '2112/66=32'] Exploring Operation: 13+32=45, Resulting Numbers: [45] 45,45 equal: Goal Reached
4
Current State: 45:[66, 13, 44, 48], Operations: [] Exploring Operation: 66-48=18, Resulting Numbers: [13, 44, 18] Generated Node #0,0: 45:[13, 44, 18] Operation: 66-48=18 Moving to Node #0,0 Current State: 45:[13, 44, 18], Operations: ['66-48=18'] Exploring Operation: 18-13=5, Resulting Numbers: [44, 5] Generated Node #0,0,0: 45:[44, 5] Operation: 18-13=5 Moving to Node #0,0,0 Current State: 45:[44, 5], Operations: ['66-48=18', '18-13=5'] Exploring Operation: 44+5=49, Resulting Numbers: [49] 49,45 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 72, 27, 18, 93 ]
24
[ "72+27=99", "93-18=75", "99-75=24" ]
Current State: 24:[72, 27, 18, 93], Operations: [] Exploring Operation: 72+27=99, Resulting Numbers: [18, 93, 99] Generated Node #2: [18, 93, 99] from Operation: 72+27=99 Current State: 24:[18, 93, 99], Operations: ['72+27=99'] Exploring Operation: 93-18=75, Resulting Numbers: [99, 75] Generated Node #3: [99, 75] from Operation: 93-18=75 Current State: 24:[99, 75], Operations: ['72+27=99', '93-18=75'] Exploring Operation: 99-75=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
4
Current State: 24:[72, 27, 18, 93], Operations: [] Exploring Operation: 93-72=21, Resulting Numbers: [27, 18, 21] Generated Node #0,0: 24:[27, 18, 21] Operation: 93-72=21 Exploring Operation: 72/18=4, Resulting Numbers: [27, 93, 4] Generated Node #0,1: 24:[27, 93, 4] Operation: 72/18=4 Moving to Node #0,0 Current State: 24:[27, 18, 21], Operations: ['93-72=21'] Exploring Operation: 27-18=9, Resulting Numbers: [21, 9] Generated Node #0,0,0: 24:[21, 9] Operation: 27-18=9 Exploring Operation: 21-18=3, Resulting Numbers: [27, 3] Generated Node #0,0,1: 24:[27, 3] Operation: 21-18=3 Moving to Node #0,1 Current State: 24:[27, 93, 4], Operations: ['72/18=4'] Exploring Operation: 93-4=89, Resulting Numbers: [27, 89] Generated Node #0,1,0: 24:[27, 89] Operation: 93-4=89 Exploring Operation: 93-27=66, Resulting Numbers: [4, 66] Generated Node #0,1,1: 24:[4, 66] Operation: 93-27=66 Moving to Node #0,0,1 Current State: 24:[27, 3], Operations: ['93-72=21', '21-18=3'] Exploring Operation: 27-3=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Moving to Node #0 Current State: 24:[72, 27, 18, 93], Operations: [] Exploring Operation: 93-72=21, Resulting Numbers: [27, 18, 21] Generated Node #0,0: 24:[27, 18, 21] Operation: 93-72=21 Moving to Node #0,0 Current State: 24:[27, 18, 21], Operations: ['93-72=21'] Exploring Operation: 21-18=3, Resulting Numbers: [27, 3] Generated Node #0,0,1: 24:[27, 3] Operation: 21-18=3 Moving to Node #0,0,1 Current State: 24:[27, 3], Operations: ['93-72=21', '21-18=3'] Exploring Operation: 27-3=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
0.990451
hs_2
sum_heuristic
[ 49, 2, 89, 10 ]
45
[ "89-49=40", "10/2=5", "40+5=45" ]
Current State: 45:[49, 2, 89, 10], Operations: [] Exploring Operation: 89-49=40, Resulting Numbers: [2, 10, 40] Generated Node #2: [2, 10, 40] from Operation: 89-49=40 Current State: 45:[2, 10, 40], Operations: ['89-49=40'] Exploring Operation: 10/2=5, Resulting Numbers: [40, 5] Generated Node #3: [40, 5] from Operation: 10/2=5 Current State: 45:[40, 5], Operations: ['89-49=40', '10/2=5'] Exploring Operation: 40+5=45, Resulting Numbers: [45] 45,45 equal: Goal Reached
4
Current State: 45:[49, 2, 89, 10], Operations: [] Exploring Operation: 89-49=40, Resulting Numbers: [2, 10, 40] Generated Node #0,0: 45:[2, 10, 40] Operation: 89-49=40 Exploring Operation: 49-2=47, Resulting Numbers: [89, 10, 47] Generated Node #0,1: 45:[89, 10, 47] Operation: 49-2=47 Exploring Operation: 89-10=79, Resulting Numbers: [49, 2, 79] Generated Node #0,2: 45:[49, 2, 79] Operation: 89-10=79 Start Sub Search at level 1: Moving to Node #0,0 Current State: 45:[2, 10, 40], Operations: ['89-49=40'] Exploring Operation: 2+40=42, Resulting Numbers: [10, 42] Generated Node #0,0,0: 45:[10, 42] Operation: 2+40=42 Exploring Operation: 40/10=4, Resulting Numbers: [2, 4] Generated Node #0,0,1: 45:[2, 4] Operation: 40/10=4 Exploring Operation: 10/2=5, Resulting Numbers: [40, 5] Generated Node #0,0,2: 45:[40, 5] Operation: 10/2=5 Moving to Node #0,0,1 Current State: 45:[2, 4], Operations: ['89-49=40', '40/10=4'] Exploring Operation: 2+4=6, Resulting Numbers: [6] 6,45 unequal: No Solution Exploring Operation: 4-2=2, Resulting Numbers: [2] 2,45 unequal: No Solution Exploring Operation: 2*4=8, Resulting Numbers: [8] 8,45 unequal: No Solution Moving to Node #0,0,0 Current State: 45:[10, 42], Operations: ['89-49=40', '2+40=42'] Exploring Operation: 42-10=32, Resulting Numbers: [32] 32,45 unequal: No Solution Exploring Operation: 10*42=420, Resulting Numbers: [420] 420,45 unequal: No Solution Exploring Operation: 10+42=52, Resulting Numbers: [52] 52,45 unequal: No Solution Moving to Node #0,0,2 Current State: 45:[40, 5], Operations: ['89-49=40', '10/2=5'] Exploring Operation: 40/5=8, Resulting Numbers: [8] 8,45 unequal: No Solution Exploring Operation: 40+5=45, Resulting Numbers: [45] 45,45 equal: Goal Reached Moving to Node #0 Current State: 45:[49, 2, 89, 10], Operations: [] Exploring Operation: 89-49=40, Resulting Numbers: [2, 10, 40] Generated Node #0,0: 45:[2, 10, 40] Operation: 89-49=40 Moving to Node #0,0 Current State: 45:[2, 10, 40], Operations: ['89-49=40'] Exploring Operation: 10/2=5, Resulting Numbers: [40, 5] Generated Node #0,0,2: 45:[40, 5] Operation: 10/2=5 Moving to Node #0,0,2 Current State: 45:[40, 5], Operations: ['89-49=40', '10/2=5'] Exploring Operation: 40+5=45, Resulting Numbers: [45] 45,45 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_3
mult_heuristic
[ 5, 59, 12, 3 ]
63
[ "59-5=54", "12-3=9", "54+9=63" ]
Current State: 63:[5, 59, 12, 3], Operations: [] Exploring Operation: 59-5=54, Resulting Numbers: [12, 3, 54] Generated Node #2: [12, 3, 54] from Operation: 59-5=54 Current State: 63:[12, 3, 54], Operations: ['59-5=54'] Exploring Operation: 12-3=9, Resulting Numbers: [54, 9] Generated Node #3: [54, 9] from Operation: 12-3=9 Current State: 63:[54, 9], Operations: ['59-5=54', '12-3=9'] Exploring Operation: 54+9=63, Resulting Numbers: [63] 63,63 equal: Goal Reached
4
Current State: 63:[5, 59, 12, 3], Operations: [] Exploring Operation: 5+59=64, Resulting Numbers: [12, 3, 64] Generated Node #0,0: 63:[12, 3, 64] Operation: 5+59=64 Start Sub Search at level 1: Moving to Node #0,0 Current State: 63:[12, 3, 64], Operations: ['5+59=64'] Exploring Operation: 12-3=9, Resulting Numbers: [64, 9] Generated Node #0,0,0: 63:[64, 9] Operation: 12-3=9 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 63:[64, 9], Operations: ['5+59=64', '12-3=9'] Exploring Operation: 64-9=55, Resulting Numbers: [55] 55,63 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 62, 49, 63, 85 ]
89
[ "62+49=111", "85-63=22", "111-22=89" ]
Current State: 89:[62, 49, 63, 85], Operations: [] Exploring Operation: 62+49=111, Resulting Numbers: [63, 85, 111] Generated Node #2: [63, 85, 111] from Operation: 62+49=111 Current State: 89:[63, 85, 111], Operations: ['62+49=111'] Exploring Operation: 85-63=22, Resulting Numbers: [111, 22] Generated Node #3: [111, 22] from Operation: 85-63=22 Current State: 89:[111, 22], Operations: ['62+49=111', '85-63=22'] Exploring Operation: 111-22=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
4
Current State: 89:[62, 49, 63, 85], Operations: [] Exploring Operation: 49+63=112, Resulting Numbers: [62, 85, 112] Generated Node #0,0: 89:[62, 85, 112] Operation: 49+63=112 Exploring Operation: 62+49=111, Resulting Numbers: [63, 85, 111] Generated Node #0,1: 89:[63, 85, 111] Operation: 62+49=111 Start Sub Search at level 1: Moving to Node #0,1 Current State: 89:[63, 85, 111], Operations: ['62+49=111'] Exploring Operation: 63+85=148, Resulting Numbers: [111, 148] Generated Node #0,1,0: 89:[111, 148] Operation: 63+85=148 Exploring Operation: 111-63=48, Resulting Numbers: [85, 48] Generated Node #0,1,1: 89:[85, 48] Operation: 111-63=48 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 89:[85, 48], Operations: ['62+49=111', '111-63=48'] Exploring Operation: 85-48=37, Resulting Numbers: [37] 37,89 unequal: No Solution Exploring Operation: 85+48=133, Resulting Numbers: [133] 133,89 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 89:[111, 148], Operations: ['62+49=111', '63+85=148'] Exploring Operation: 111+148=259, Resulting Numbers: [259] 259,89 unequal: No Solution Exploring Operation: 148-111=37, Resulting Numbers: [37] 37,89 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: 89:[62, 85, 112], Operations: ['49+63=112'] Exploring Operation: 62+85=147, Resulting Numbers: [112, 147] Generated Node #0,0,0: 89:[112, 147] Operation: 62+85=147 Exploring Operation: 112-62=50, Resulting Numbers: [85, 50] Generated Node #0,0,1: 89:[85, 50] Operation: 112-62=50 Moving to Node #0,0,1 Current State: 89:[85, 50], Operations: ['49+63=112', '112-62=50'] Exploring Operation: 85-50=35, Resulting Numbers: [35] 35,89 unequal: No Solution Exploring Operation: 85+50=135, Resulting Numbers: [135] 135,89 unequal: No Solution Moving to Node #0,0,0 Current State: 89:[112, 147], Operations: ['49+63=112', '62+85=147'] Exploring Operation: 147-112=35, Resulting Numbers: [35] 35,89 unequal: No Solution Exploring Operation: 112+147=259, Resulting Numbers: [259] 259,89 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
[ 11, 90, 63, 40 ]
56
[ "90-11=79", "63-40=23", "79-23=56" ]
Current State: 56:[11, 90, 63, 40], Operations: [] Exploring Operation: 90-11=79, Resulting Numbers: [63, 40, 79] Generated Node #2: [63, 40, 79] from Operation: 90-11=79 Current State: 56:[63, 40, 79], Operations: ['90-11=79'] Exploring Operation: 63-40=23, Resulting Numbers: [79, 23] Generated Node #3: [79, 23] from Operation: 63-40=23 Current State: 56:[79, 23], Operations: ['90-11=79', '63-40=23'] Exploring Operation: 79-23=56, Resulting Numbers: [56] 56,56 equal: Goal Reached
4
Current State: 56:[11, 90, 63, 40], Operations: [] Exploring Operation: 90-11=79, Resulting Numbers: [63, 40, 79] Generated Node #0,0: 56:[63, 40, 79] Operation: 90-11=79 Exploring Operation: 90-40=50, Resulting Numbers: [11, 63, 50] Generated Node #0,1: 56:[11, 63, 50] Operation: 90-40=50 Exploring Operation: 90-63=27, Resulting Numbers: [11, 40, 27] Generated Node #0,2: 56:[11, 40, 27] Operation: 90-63=27 Start Sub Search at level 1: Moving to Node #0,1 Current State: 56:[11, 63, 50], Operations: ['90-40=50'] Exploring Operation: 63-50=13, Resulting Numbers: [11, 13] Generated Node #0,1,0: 56:[11, 13] Operation: 63-50=13 Exploring Operation: 11+50=61, Resulting Numbers: [63, 61] Generated Node #0,1,1: 56:[63, 61] Operation: 11+50=61 Exploring Operation: 63-11=52, Resulting Numbers: [50, 52] Generated Node #0,1,2: 56:[50, 52] Operation: 63-11=52 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 56:[11, 13], Operations: ['90-40=50', '63-50=13'] Exploring Operation: 11+13=24, Resulting Numbers: [24] 24,56 unequal: No Solution Exploring Operation: 11*13=143, Resulting Numbers: [143] 143,56 unequal: No Solution Exploring Operation: 13-11=2, Resulting Numbers: [2] 2,56 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 56:[50, 52], Operations: ['90-40=50', '63-11=52'] Exploring Operation: 50*52=2600, Resulting Numbers: [2600] 2600,56 unequal: No Solution Exploring Operation: 50+52=102, Resulting Numbers: [102] 102,56 unequal: No Solution Exploring Operation: 52-50=2, Resulting Numbers: [2] 2,56 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 56:[63, 61], Operations: ['90-40=50', '11+50=61'] Exploring Operation: 63-61=2, Resulting Numbers: [2] 2,56 unequal: No Solution Exploring Operation: 63*61=3843, Resulting Numbers: [3843] 3843,56 unequal: No Solution Exploring Operation: 63+61=124, Resulting Numbers: [124] 124,56 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 56:[11, 40, 27], Operations: ['90-63=27'] Exploring Operation: 40-11=29, Resulting Numbers: [27, 29] Generated Node #0,2,0: 56:[27, 29] Operation: 40-11=29 Exploring Operation: 40-27=13, Resulting Numbers: [11, 13] Generated Node #0,2,1: 56:[11, 13] Operation: 40-27=13 Exploring Operation: 11+40=51, Resulting Numbers: [27, 51] Generated Node #0,2,2: 56:[27, 51] Operation: 11+40=51 Moving to Node #0,2,0 Current State: 56:[27, 29], Operations: ['90-63=27', '40-11=29'] Exploring Operation: 27+29=56, Resulting Numbers: [56] 56,56 equal: Goal Reached Moving to Node #0 Current State: 56:[11, 90, 63, 40], Operations: [] Exploring Operation: 90-63=27, Resulting Numbers: [11, 40, 27] Generated Node #0,2: 56:[11, 40, 27] Operation: 90-63=27 Moving to Node #0,2 Current State: 56:[11, 40, 27], Operations: ['90-63=27'] Exploring Operation: 40-11=29, Resulting Numbers: [27, 29] Generated Node #0,2,0: 56:[27, 29] Operation: 40-11=29 Moving to Node #0,2,0 Current State: 56:[27, 29], Operations: ['90-63=27', '40-11=29'] Exploring Operation: 27+29=56, Resulting Numbers: [56] 56,56 equal: Goal Reached Exit Sub Search at level 1
0.980035
hs_3
mult_heuristic
[ 55, 20, 9, 3 ]
81
[ "55+20=75", "9-3=6", "75+6=81" ]
Current State: 81:[55, 20, 9, 3], Operations: [] Exploring Operation: 55+20=75, Resulting Numbers: [9, 3, 75] Generated Node #2: [9, 3, 75] from Operation: 55+20=75 Current State: 81:[9, 3, 75], Operations: ['55+20=75'] Exploring Operation: 9-3=6, Resulting Numbers: [75, 6] Generated Node #3: [75, 6] from Operation: 9-3=6 Current State: 81:[75, 6], Operations: ['55+20=75', '9-3=6'] Exploring Operation: 75+6=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[55, 20, 9, 3], Operations: [] Exploring Operation: 55+20=75, Resulting Numbers: [9, 3, 75] Generated Node #0,0: 81:[9, 3, 75] Operation: 55+20=75 Start Sub Search at level 1: Moving to Node #0,0 Current State: 81:[9, 3, 75], Operations: ['55+20=75'] Exploring Operation: 75/3=25, Resulting Numbers: [9, 25] Generated Node #0,0,0: 81:[9, 25] Operation: 75/3=25 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 81:[9, 25], Operations: ['55+20=75', '75/3=25'] Exploring Operation: 9+25=34, Resulting Numbers: [34] 34,81 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 19, 12, 6, 24 ]
29
[ "19+24=43", "12*6=72", "72-43=29" ]
Current State: 29:[19, 12, 6, 24], Operations: [] Exploring Operation: 19+24=43, Resulting Numbers: [12, 6, 43] Generated Node #2: [12, 6, 43] from Operation: 19+24=43 Current State: 29:[12, 6, 43], Operations: ['19+24=43'] Exploring Operation: 12*6=72, Resulting Numbers: [43, 72] Generated Node #3: [43, 72] from Operation: 12*6=72 Current State: 29:[43, 72], Operations: ['19+24=43', '12*6=72'] Exploring Operation: 72-43=29, Resulting Numbers: [29] 29,29 equal: Goal Reached
4
Current State: 29:[19, 12, 6, 24], Operations: [] Exploring Operation: 19+6=25, Resulting Numbers: [12, 24, 25] Generated Node #0,0: 29:[12, 24, 25] Operation: 19+6=25 Exploring Operation: 19-6=13, Resulting Numbers: [12, 24, 13] Generated Node #0,1: 29:[12, 24, 13] Operation: 19-6=13 Exploring Operation: 12+6=18, Resulting Numbers: [19, 24, 18] Generated Node #0,2: 29:[19, 24, 18] Operation: 12+6=18 Exploring Operation: 6+24=30, Resulting Numbers: [19, 12, 30] Generated Node #0,3: 29:[19, 12, 30] Operation: 6+24=30 Exploring Operation: 19+12=31, Resulting Numbers: [6, 24, 31] Generated Node #0,4: 29:[6, 24, 31] Operation: 19+12=31 Start Sub Search at level 1: Moving to Node #0,0 Current State: 29:[12, 24, 25], Operations: ['19+6=25'] Exploring Operation: 24/12=2, Resulting Numbers: [25, 2] Generated Node #0,0,0: 29:[25, 2] Operation: 24/12=2 Exploring Operation: 12+25=37, Resulting Numbers: [24, 37] Generated Node #0,0,1: 29:[24, 37] Operation: 12+25=37 Exploring Operation: 25-12=13, Resulting Numbers: [24, 13] Generated Node #0,0,2: 29:[24, 13] Operation: 25-12=13 Exploring Operation: 24-12=12, Resulting Numbers: [25, 12] Generated Node #0,0,3: 29:[25, 12] Operation: 24-12=12 Exploring Operation: 12+24=36, Resulting Numbers: [25, 36] Generated Node #0,0,4: 29:[25, 36] Operation: 12+24=36 Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 29:[25, 36], Operations: ['19+6=25', '12+24=36'] Exploring Operation: 25*36=900, Resulting Numbers: [900] 900,29 unequal: No Solution Exploring Operation: 25+36=61, Resulting Numbers: [61] 61,29 unequal: No Solution Exploring Operation: 36-25=11, Resulting Numbers: [11] 11,29 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 29:[24, 37], Operations: ['19+6=25', '12+25=37'] Exploring Operation: 24*37=888, Resulting Numbers: [888] 888,29 unequal: No Solution Exploring Operation: 24+37=61, Resulting Numbers: [61] 61,29 unequal: No Solution Exploring Operation: 37-24=13, Resulting Numbers: [13] 13,29 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 29:[24, 13], Operations: ['19+6=25', '25-12=13'] Exploring Operation: 24+13=37, Resulting Numbers: [37] 37,29 unequal: No Solution Exploring Operation: 24*13=312, Resulting Numbers: [312] 312,29 unequal: No Solution Exploring Operation: 24-13=11, Resulting Numbers: [11] 11,29 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 29:[25, 12], Operations: ['19+6=25', '24-12=12'] Exploring Operation: 25*12=300, Resulting Numbers: [300] 300,29 unequal: No Solution Exploring Operation: 25-12=13, Resulting Numbers: [13] 13,29 unequal: No Solution Exploring Operation: 25+12=37, Resulting Numbers: [37] 37,29 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 29:[25, 2], Operations: ['19+6=25', '24/12=2'] Exploring Operation: 25*2=50, Resulting Numbers: [50] 50,29 unequal: No Solution Exploring Operation: 25-2=23, Resulting Numbers: [23] 23,29 unequal: No Solution Exploring Operation: 25+2=27, Resulting Numbers: [27] 27,29 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: 29:[19, 24, 18], Operations: ['12+6=18'] Exploring Operation: 24-18=6, Resulting Numbers: [19, 6] Generated Node #0,2,0: 29:[19, 6] Operation: 24-18=6 Exploring Operation: 24+18=42, Resulting Numbers: [19, 42] Generated Node #0,2,1: 29:[19, 42] Operation: 24+18=42 Exploring Operation: 19-18=1, Resulting Numbers: [24, 1] Generated Node #0,2,2: 29:[24, 1] Operation: 19-18=1 Exploring Operation: 19+18=37, Resulting Numbers: [24, 37] Generated Node #0,2,3: 29:[24, 37] Operation: 19+18=37 Exploring Operation: 19+24=43, Resulting Numbers: [18, 43] Generated Node #0,2,4: 29:[18, 43] Operation: 19+24=43 Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 29:[24, 37], Operations: ['12+6=18', '19+18=37'] Exploring Operation: 24*37=888, Resulting Numbers: [888] 888,29 unequal: No Solution Exploring Operation: 24+37=61, Resulting Numbers: [61] 61,29 unequal: No Solution Exploring Operation: 37-24=13, Resulting Numbers: [13] 13,29 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 29:[19, 42], Operations: ['12+6=18', '24+18=42'] Exploring Operation: 19+42=61, Resulting Numbers: [61] 61,29 unequal: No Solution Exploring Operation: 19*42=798, Resulting Numbers: [798] 798,29 unequal: No Solution Exploring Operation: 42-19=23, Resulting Numbers: [23] 23,29 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 29:[18, 43], Operations: ['12+6=18', '19+24=43'] Exploring Operation: 18+43=61, Resulting Numbers: [61] 61,29 unequal: No Solution Exploring Operation: 43-18=25, Resulting Numbers: [25] 25,29 unequal: No Solution Exploring Operation: 18*43=774, Resulting Numbers: [774] 774,29 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 29:[19, 6], Operations: ['12+6=18', '24-18=6'] Exploring Operation: 19+6=25, Resulting Numbers: [25] 25,29 unequal: No Solution Exploring Operation: 19-6=13, Resulting Numbers: [13] 13,29 unequal: No Solution Exploring Operation: 19*6=114, Resulting Numbers: [114] 114,29 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 29:[24, 1], Operations: ['12+6=18', '19-18=1'] Exploring Operation: 24/1=24, Resulting Numbers: [24] 24,29 unequal: No Solution Exploring Operation: 24-1=23, Resulting Numbers: [23] 23,29 unequal: No Solution Exploring Operation: 24+1=25, Resulting Numbers: [25] 25,29 unequal: No Solution Exploring Operation: 24*1=24, Resulting Numbers: [24] 24,29 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: 29:[19, 12, 30], Operations: ['6+24=30'] Exploring Operation: 30-12=18, Resulting Numbers: [19, 18] Generated Node #0,3,0: 29:[19, 18] Operation: 30-12=18 Exploring Operation: 19-12=7, Resulting Numbers: [30, 7] Generated Node #0,3,1: 29:[30, 7] Operation: 19-12=7 Exploring Operation: 30-19=11, Resulting Numbers: [12, 11] Generated Node #0,3,2: 29:[12, 11] Operation: 30-19=11 Exploring Operation: 19+12=31, Resulting Numbers: [30, 31] Generated Node #0,3,3: 29:[30, 31] Operation: 19+12=31 Exploring Operation: 12+30=42, Resulting Numbers: [19, 42] Generated Node #0,3,4: 29:[19, 42] Operation: 12+30=42 Moving to Node #0,3,3 Current State: 29:[30, 31], Operations: ['6+24=30', '19+12=31'] Exploring Operation: 30+31=61, Resulting Numbers: [61] 61,29 unequal: No Solution Exploring Operation: 30*31=930, Resulting Numbers: [930] 930,29 unequal: No Solution Exploring Operation: 31-30=1, Resulting Numbers: [1] 1,29 unequal: No Solution Moving to Node #0,3,0 Current State: 29:[19, 18], Operations: ['6+24=30', '30-12=18'] Exploring Operation: 19-18=1, Resulting Numbers: [1] 1,29 unequal: No Solution Exploring Operation: 19*18=342, Resulting Numbers: [342] 342,29 unequal: No Solution Exploring Operation: 19+18=37, Resulting Numbers: [37] 37,29 unequal: No Solution Moving to Node #0,3,1 Current State: 29:[30, 7], Operations: ['6+24=30', '19-12=7'] Exploring Operation: 30*7=210, Resulting Numbers: [210] 210,29 unequal: No Solution Exploring Operation: 30-7=23, Resulting Numbers: [23] 23,29 unequal: No Solution Exploring Operation: 30+7=37, Resulting Numbers: [37] 37,29 unequal: No Solution Moving to Node #0,3,4 Current State: 29:[19, 42], Operations: ['6+24=30', '12+30=42'] Exploring Operation: 19*42=798, Resulting Numbers: [798] 798,29 unequal: No Solution Exploring Operation: 19+42=61, Resulting Numbers: [61] 61,29 unequal: No Solution Exploring Operation: 42-19=23, Resulting Numbers: [23] 23,29 unequal: No Solution Moving to Node #0,3,2 Current State: 29:[12, 11], Operations: ['6+24=30', '30-19=11'] Exploring Operation: 12*11=132, Resulting Numbers: [132] 132,29 unequal: No Solution Exploring Operation: 12+11=23, Resulting Numbers: [23] 23,29 unequal: No Solution Exploring Operation: 12-11=1, Resulting Numbers: [1] 1,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 29:[6, 24, 31], Operations: ['19+12=31'] Exploring Operation: 31-6=25, Resulting Numbers: [24, 25] Generated Node #0,4,0: 29:[24, 25] Operation: 31-6=25 Exploring Operation: 24/6=4, Resulting Numbers: [31, 4] Generated Node #0,4,1: 29:[31, 4] Operation: 24/6=4 Exploring Operation: 24-6=18, Resulting Numbers: [31, 18] Generated Node #0,4,2: 29:[31, 18] Operation: 24-6=18 Exploring Operation: 6+31=37, Resulting Numbers: [24, 37] Generated Node #0,4,3: 29:[24, 37] Operation: 6+31=37 Exploring Operation: 6+24=30, Resulting Numbers: [31, 30] Generated Node #0,4,4: 29:[31, 30] Operation: 6+24=30 Moving to Node #0,4,4 Current State: 29:[31, 30], Operations: ['19+12=31', '6+24=30'] Exploring Operation: 31-30=1, Resulting Numbers: [1] 1,29 unequal: No Solution Exploring Operation: 31+30=61, Resulting Numbers: [61] 61,29 unequal: No Solution Exploring Operation: 31*30=930, Resulting Numbers: [930] 930,29 unequal: No Solution Moving to Node #0,4,0 Current State: 29:[24, 25], Operations: ['19+12=31', '31-6=25'] Exploring Operation: 25-24=1, Resulting Numbers: [1] 1,29 unequal: No Solution Exploring Operation: 24*25=600, Resulting Numbers: [600] 600,29 unequal: No Solution Exploring Operation: 24+25=49, Resulting Numbers: [49] 49,29 unequal: No Solution Moving to Node #0,4,2 Current State: 29:[31, 18], Operations: ['19+12=31', '24-6=18'] Exploring Operation: 31*18=558, Resulting Numbers: [558] 558,29 unequal: No Solution Exploring Operation: 31-18=13, Resulting Numbers: [13] 13,29 unequal: No Solution Exploring Operation: 31+18=49, Resulting Numbers: [49] 49,29 unequal: No Solution Moving to Node #0,4,3 Current State: 29:[24, 37], Operations: ['19+12=31', '6+31=37'] Exploring Operation: 24*37=888, Resulting Numbers: [888] 888,29 unequal: No Solution Exploring Operation: 37-24=13, Resulting Numbers: [13] 13,29 unequal: No Solution Exploring Operation: 24+37=61, Resulting Numbers: [61] 61,29 unequal: No Solution Moving to Node #0,4,1 Current State: 29:[31, 4], Operations: ['19+12=31', '24/6=4'] Exploring Operation: 31+4=35, Resulting Numbers: [35] 35,29 unequal: No Solution Exploring Operation: 31-4=27, Resulting Numbers: [27] 27,29 unequal: No Solution Exploring Operation: 31*4=124, Resulting Numbers: [124] 124,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 29:[12, 24, 13], Operations: ['19-6=13'] Exploring Operation: 12+24=36, Resulting Numbers: [13, 36] Generated Node #0,1,0: 29:[13, 36] Operation: 12+24=36 Exploring Operation: 24+13=37, Resulting Numbers: [12, 37] Generated Node #0,1,1: 29:[12, 37] Operation: 24+13=37 Exploring Operation: 24-12=12, Resulting Numbers: [13, 12] Generated Node #0,1,2: 29:[13, 12] Operation: 24-12=12 Exploring Operation: 12+13=25, Resulting Numbers: [24, 25] Generated Node #0,1,3: 29:[24, 25] Operation: 12+13=25 Exploring Operation: 13-12=1, Resulting Numbers: [24, 1] Generated Node #0,1,4: 29:[24, 1] Operation: 13-12=1 Moving to Node #0,1,3 Current State: 29:[24, 25], Operations: ['19-6=13', '12+13=25'] Exploring Operation: 24*25=600, Resulting Numbers: [600] 600,29 unequal: No Solution Exploring Operation: 25-24=1, Resulting Numbers: [1] 1,29 unequal: No Solution Exploring Operation: 24+25=49, Resulting Numbers: [49] 49,29 unequal: No Solution Moving to Node #0,1,0 Current State: 29:[13, 36], Operations: ['19-6=13', '12+24=36'] Exploring Operation: 13*36=468, Resulting Numbers: [468] 468,29 unequal: No Solution Exploring Operation: 36-13=23, Resulting Numbers: [23] 23,29 unequal: No Solution Exploring Operation: 13+36=49, Resulting Numbers: [49] 49,29 unequal: No Solution Moving to Node #0,1,1 Current State: 29:[12, 37], Operations: ['19-6=13', '24+13=37'] Exploring Operation: 37-12=25, Resulting Numbers: [25] 25,29 unequal: No Solution Exploring Operation: 12+37=49, Resulting Numbers: [49] 49,29 unequal: No Solution Exploring Operation: 12*37=444, Resulting Numbers: [444] 444,29 unequal: No Solution Moving to Node #0,1,2 Current State: 29:[13, 12], Operations: ['19-6=13', '24-12=12'] Exploring Operation: 13-12=1, Resulting Numbers: [1] 1,29 unequal: No Solution Exploring Operation: 13*12=156, Resulting Numbers: [156] 156,29 unequal: No Solution Exploring Operation: 13+12=25, Resulting Numbers: [25] 25,29 unequal: No Solution Moving to Node #0,1,4 Current State: 29:[24, 1], Operations: ['19-6=13', '13-12=1'] Exploring Operation: 24*1=24, Resulting Numbers: [24] 24,29 unequal: No Solution Exploring Operation: 24+1=25, Resulting Numbers: [25] 25,29 unequal: No Solution Exploring Operation: 24-1=23, Resulting Numbers: [23] 23,29 unequal: No Solution Exploring Operation: 24/1=24, Resulting Numbers: [24] 24,29 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
[ 54, 30, 39, 27 ]
45
[ "54-39=15", "30-27=3", "15*3=45" ]
Current State: 45:[54, 30, 39, 27], Operations: [] Exploring Operation: 54-39=15, Resulting Numbers: [30, 27, 15] Generated Node #2: [30, 27, 15] from Operation: 54-39=15 Current State: 45:[30, 27, 15], Operations: ['54-39=15'] Exploring Operation: 30-27=3, Resulting Numbers: [15, 3] Generated Node #3: [15, 3] from Operation: 30-27=3 Current State: 45:[15, 3], Operations: ['54-39=15', '30-27=3'] Exploring Operation: 15*3=45, Resulting Numbers: [45] 45,45 equal: Goal Reached
4
Current State: 45:[54, 30, 39, 27], Operations: [] Exploring Operation: 30-27=3, Resulting Numbers: [54, 39, 3] Generated Node #0,0: 45:[54, 39, 3] Operation: 30-27=3 Moving to Node #0,0 Current State: 45:[54, 39, 3], Operations: ['30-27=3'] Exploring Operation: 54-39=15, Resulting Numbers: [3, 15] Generated Node #0,0,0: 45:[3, 15] Operation: 54-39=15 Moving to Node #0,0,0 Current State: 45:[3, 15], Operations: ['30-27=3', '54-39=15'] Exploring Operation: 3*15=45, Resulting Numbers: [45] 45,45 equal: Goal Reached Moving to Node #0 Current State: 45:[54, 30, 39, 27], Operations: [] Exploring Operation: 30-27=3, Resulting Numbers: [54, 39, 3] Generated Node #0,0: 45:[54, 39, 3] Operation: 30-27=3 Moving to Node #0,0 Current State: 45:[54, 39, 3], Operations: ['30-27=3'] Exploring Operation: 54-39=15, Resulting Numbers: [3, 15] Generated Node #0,0,0: 45:[3, 15] Operation: 54-39=15 Moving to Node #0,0,0 Current State: 45:[3, 15], Operations: ['30-27=3', '54-39=15'] Exploring Operation: 3*15=45, Resulting Numbers: [45] 45,45 equal: Goal Reached
0.993924
hs_1
sum_heuristic
[ 9, 9, 85, 4 ]
40
[ "85-9=76", "9*4=36", "76-36=40" ]
Current State: 40:[9, 9, 85, 4], Operations: [] Exploring Operation: 85-9=76, Resulting Numbers: [4, 76] Generated Node #2: [4, 76] from Operation: 85-9=76 Current State: 40:[4, 76], Operations: ['85-9=76'] Exploring Operation: 9*4=36, Resulting Numbers: [76, 36] Generated Node #3: [76, 36] from Operation: 9*4=36 Current State: 40:[76, 36], Operations: ['85-9=76', '9*4=36'] Exploring Operation: 76-36=40, Resulting Numbers: [40] 40,40 equal: Goal Reached
4
Current State: 40:[9, 9, 85, 4], Operations: [] Exploring Operation: 85-4=81, Resulting Numbers: [9, 9, 81] Generated Node #0,0: 40:[9, 9, 81] Operation: 85-4=81 Exploring Operation: 85-9=76, Resulting Numbers: [9, 4, 76] Generated Node #0,1: 40:[9, 4, 76] Operation: 85-9=76 Exploring Operation: 9/9=1, Resulting Numbers: [85, 4, 1] Generated Node #0,2: 40:[85, 4, 1] Operation: 9/9=1 Exploring Operation: 85-9=76, Resulting Numbers: [9, 4, 76] Generated Node #0,3: 40:[9, 4, 76] Operation: 85-9=76 Start Sub Search at level 1: Moving to Node #0,1 Current State: 40:[9, 4, 76], Operations: ['85-9=76'] Exploring Operation: 76/4=19, Resulting Numbers: [9, 19] Generated Node #0,1,0: 40:[9, 19] Operation: 76/4=19 Exploring Operation: 9-4=5, Resulting Numbers: [76, 5] Generated Node #0,1,1: 40:[76, 5] Operation: 9-4=5 Exploring Operation: 76-9=67, Resulting Numbers: [4, 67] Generated Node #0,1,2: 40:[4, 67] Operation: 76-9=67 Exploring Operation: 76-4=72, Resulting Numbers: [9, 72] Generated Node #0,1,3: 40:[9, 72] Operation: 76-4=72 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 40:[9, 19], Operations: ['85-9=76', '76/4=19'] Exploring Operation: 9+19=28, Resulting Numbers: [28] 28,40 unequal: No Solution Exploring Operation: 19-9=10, Resulting Numbers: [10] 10,40 unequal: No Solution Exploring Operation: 9*19=171, Resulting Numbers: [171] 171,40 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 40:[4, 67], Operations: ['85-9=76', '76-9=67'] Exploring Operation: 4+67=71, Resulting Numbers: [71] 71,40 unequal: No Solution Exploring Operation: 67-4=63, Resulting Numbers: [63] 63,40 unequal: No Solution Exploring Operation: 4*67=268, Resulting Numbers: [268] 268,40 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 40:[9, 72], Operations: ['85-9=76', '76-4=72'] Exploring Operation: 9*72=648, Resulting Numbers: [648] 648,40 unequal: No Solution Exploring Operation: 9+72=81, Resulting Numbers: [81] 81,40 unequal: No Solution Exploring Operation: 72-9=63, Resulting Numbers: [63] 63,40 unequal: No Solution Exploring Operation: 72/9=8, Resulting Numbers: [8] 8,40 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 40:[76, 5], Operations: ['85-9=76', '9-4=5'] Exploring Operation: 76+5=81, Resulting Numbers: [81] 81,40 unequal: No Solution Exploring Operation: 76*5=380, Resulting Numbers: [380] 380,40 unequal: No Solution Exploring Operation: 76-5=71, Resulting Numbers: [71] 71,40 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 40:[9, 4, 76], Operations: ['85-9=76'] Exploring Operation: 76-4=72, Resulting Numbers: [9, 72] Generated Node #0,3,0: 40:[9, 72] Operation: 76-4=72 Exploring Operation: 76/4=19, Resulting Numbers: [9, 19] Generated Node #0,3,1: 40:[9, 19] Operation: 76/4=19 Exploring Operation: 76-9=67, Resulting Numbers: [4, 67] Generated Node #0,3,2: 40:[4, 67] Operation: 76-9=67 Exploring Operation: 9-4=5, Resulting Numbers: [76, 5] Generated Node #0,3,3: 40:[76, 5] Operation: 9-4=5 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 40:[9, 19], Operations: ['85-9=76', '76/4=19'] Exploring Operation: 19-9=10, Resulting Numbers: [10] 10,40 unequal: No Solution Exploring Operation: 9+19=28, Resulting Numbers: [28] 28,40 unequal: No Solution Exploring Operation: 9*19=171, Resulting Numbers: [171] 171,40 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 40:[4, 67], Operations: ['85-9=76', '76-9=67'] Exploring Operation: 4+67=71, Resulting Numbers: [71] 71,40 unequal: No Solution Exploring Operation: 4*67=268, Resulting Numbers: [268] 268,40 unequal: No Solution Exploring Operation: 67-4=63, Resulting Numbers: [63] 63,40 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 40:[9, 72], Operations: ['85-9=76', '76-4=72'] Exploring Operation: 72/9=8, Resulting Numbers: [8] 8,40 unequal: No Solution Exploring Operation: 9*72=648, Resulting Numbers: [648] 648,40 unequal: No Solution Exploring Operation: 9+72=81, Resulting Numbers: [81] 81,40 unequal: No Solution Exploring Operation: 72-9=63, Resulting Numbers: [63] 63,40 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 40:[76, 5], Operations: ['85-9=76', '9-4=5'] Exploring Operation: 76-5=71, Resulting Numbers: [71] 71,40 unequal: No Solution Exploring Operation: 76*5=380, Resulting Numbers: [380] 380,40 unequal: No Solution Exploring Operation: 76+5=81, Resulting Numbers: [81] 81,40 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 40:[9, 9, 81], Operations: ['85-4=81'] Exploring Operation: 81/9=9, Resulting Numbers: [9, 9] Generated Node #0,0,0: 40:[9, 9] Operation: 81/9=9 Exploring Operation: 81-9=72, Resulting Numbers: [9, 72] Generated Node #0,0,1: 40:[9, 72] Operation: 81-9=72 Exploring Operation: 81-9=72, Resulting Numbers: [9, 72] Generated Node #0,0,2: 40:[9, 72] Operation: 81-9=72 Exploring Operation: 81/9=9, Resulting Numbers: [9, 9] Generated Node #0,0,3: 40:[9, 9] Operation: 81/9=9 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 40:[9, 9], Operations: ['85-4=81', '81/9=9'] Exploring Operation: 9+9=18, Resulting Numbers: [18] 18,40 unequal: No Solution Exploring Operation: 9*9=81, Resulting Numbers: [81] 81,40 unequal: No Solution Exploring Operation: 9-9=0, Resulting Numbers: [0] 0,40 unequal: No Solution Exploring Operation: 9/9=1, Resulting Numbers: [1] 1,40 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 40:[9, 9], Operations: ['85-4=81', '81/9=9'] Exploring Operation: 9/9=1, Resulting Numbers: [1] 1,40 unequal: No Solution Exploring Operation: 9*9=81, Resulting Numbers: [81] 81,40 unequal: No Solution Exploring Operation: 9-9=0, Resulting Numbers: [0] 0,40 unequal: No Solution Exploring Operation: 9+9=18, Resulting Numbers: [18] 18,40 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 40:[9, 72], Operations: ['85-4=81', '81-9=72'] Exploring Operation: 9+72=81, Resulting Numbers: [81] 81,40 unequal: No Solution Exploring Operation: 9*72=648, Resulting Numbers: [648] 648,40 unequal: No Solution Exploring Operation: 72-9=63, Resulting Numbers: [63] 63,40 unequal: No Solution Exploring Operation: 72/9=8, Resulting Numbers: [8] 8,40 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 40:[9, 72], Operations: ['85-4=81', '81-9=72'] Exploring Operation: 9+72=81, Resulting Numbers: [81] 81,40 unequal: No Solution Exploring Operation: 72-9=63, Resulting Numbers: [63] 63,40 unequal: No Solution Exploring Operation: 9*72=648, Resulting Numbers: [648] 648,40 unequal: No Solution Exploring Operation: 72/9=8, Resulting Numbers: [8] 8,40 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 40:[85, 4, 1], Operations: ['9/9=1'] Exploring Operation: 85*1=85, Resulting Numbers: [4, 85] Generated Node #0,2,0: 40:[4, 85] Operation: 85*1=85 Exploring Operation: 85-1=84, Resulting Numbers: [4, 84] Generated Node #0,2,1: 40:[4, 84] Operation: 85-1=84 Exploring Operation: 85/1=85, Resulting Numbers: [4, 85] Generated Node #0,2,2: 40:[4, 85] Operation: 85/1=85 Exploring Operation: 85-4=81, Resulting Numbers: [1, 81] Generated Node #0,2,3: 40:[1, 81] Operation: 85-4=81 Moving to Node #0,2,3 Current State: 40:[1, 81], Operations: ['9/9=1', '85-4=81'] Exploring Operation: 81-1=80, Resulting Numbers: [80] 80,40 unequal: No Solution Exploring Operation: 1*81=81, Resulting Numbers: [81] 81,40 unequal: No Solution Exploring Operation: 81/1=81, Resulting Numbers: [81] 81,40 unequal: No Solution Exploring Operation: 1+81=82, Resulting Numbers: [82] 82,40 unequal: No Solution Moving to Node #0,2,1 Current State: 40:[4, 84], Operations: ['9/9=1', '85-1=84'] Exploring Operation: 4+84=88, Resulting Numbers: [88] 88,40 unequal: No Solution Exploring Operation: 4*84=336, Resulting Numbers: [336] 336,40 unequal: No Solution Exploring Operation: 84-4=80, Resulting Numbers: [80] 80,40 unequal: No Solution Exploring Operation: 84/4=21, Resulting Numbers: [21] 21,40 unequal: No Solution Moving to Node #0,2,2 Current State: 40:[4, 85], Operations: ['9/9=1', '85/1=85'] Exploring Operation: 4*85=340, Resulting Numbers: [340] 340,40 unequal: No Solution Exploring Operation: 4+85=89, Resulting Numbers: [89] 89,40 unequal: No Solution Exploring Operation: 85-4=81, Resulting Numbers: [81] 81,40 unequal: No Solution Moving to Node #0,2,0 Current State: 40:[4, 85], Operations: ['9/9=1', '85*1=85'] Exploring Operation: 85-4=81, Resulting Numbers: [81] 81,40 unequal: No Solution Exploring Operation: 4+85=89, Resulting Numbers: [89] 89,40 unequal: No Solution Exploring Operation: 4*85=340, Resulting Numbers: [340] 340,40 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
[ 41, 35, 12, 28 ]
35
[ "41-12=29", "29-28=1", "35*1=35" ]
Current State: 35:[41, 35, 12, 28], Operations: [] Exploring Operation: 41-12=29, Resulting Numbers: [35, 28, 29] Generated Node #2: [35, 28, 29] from Operation: 41-12=29 Current State: 35:[35, 28, 29], Operations: ['41-12=29'] Exploring Operation: 29-28=1, Resulting Numbers: [35, 1] Generated Node #3: [35, 1] from Operation: 29-28=1 Current State: 35:[35, 1], Operations: ['41-12=29', '29-28=1'] Exploring Operation: 35*1=35, Resulting Numbers: [35] 35,35 equal: Goal Reached
4
Current State: 35:[41, 35, 12, 28], Operations: [] Exploring Operation: 12+28=40, Resulting Numbers: [41, 35, 40] Generated Node #0,0: 35:[41, 35, 40] Operation: 12+28=40 Exploring Operation: 41-28=13, Resulting Numbers: [35, 12, 13] Generated Node #0,1: 35:[35, 12, 13] Operation: 41-28=13 Exploring Operation: 41-35=6, Resulting Numbers: [12, 28, 6] Generated Node #0,2: 35:[12, 28, 6] Operation: 41-35=6 Exploring Operation: 35-28=7, Resulting Numbers: [41, 12, 7] Generated Node #0,3: 35:[41, 12, 7] Operation: 35-28=7 Start Sub Search at level 1: Moving to Node #0,0 Current State: 35:[41, 35, 40], Operations: ['12+28=40'] Exploring Operation: 40-35=5, Resulting Numbers: [41, 5] Generated Node #0,0,0: 35:[41, 5] Operation: 40-35=5 Exploring Operation: 41+35=76, Resulting Numbers: [40, 76] Generated Node #0,0,1: 35:[40, 76] Operation: 41+35=76 Exploring Operation: 41-40=1, Resulting Numbers: [35, 1] Generated Node #0,0,2: 35:[35, 1] Operation: 41-40=1 Exploring Operation: 41-35=6, Resulting Numbers: [40, 6] Generated Node #0,0,3: 35:[40, 6] Operation: 41-35=6 Moving to Node #0,0,2 Current State: 35:[35, 1], Operations: ['12+28=40', '41-40=1'] Exploring Operation: 35+1=36, Resulting Numbers: [36] 36,35 unequal: No Solution Exploring Operation: 35*1=35, Resulting Numbers: [35] 35,35 equal: Goal Reached Moving to Node #0 Current State: 35:[41, 35, 12, 28], Operations: [] Exploring Operation: 12+28=40, Resulting Numbers: [41, 35, 40] Generated Node #0,0: 35:[41, 35, 40] Operation: 12+28=40 Moving to Node #0,0 Current State: 35:[41, 35, 40], Operations: ['12+28=40'] Exploring Operation: 41-40=1, Resulting Numbers: [35, 1] Generated Node #0,0,2: 35:[35, 1] Operation: 41-40=1 Moving to Node #0,0,2 Current State: 35:[35, 1], Operations: ['12+28=40', '41-40=1'] Exploring Operation: 35*1=35, Resulting Numbers: [35] 35,35 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_4
mult_heuristic
[ 13, 69, 11, 10 ]
55
[ "69-13=56", "11-10=1", "56-1=55" ]
Current State: 55:[13, 69, 11, 10], Operations: [] Exploring Operation: 69-13=56, Resulting Numbers: [11, 10, 56] Generated Node #2: [11, 10, 56] from Operation: 69-13=56 Current State: 55:[11, 10, 56], Operations: ['69-13=56'] Exploring Operation: 11-10=1, Resulting Numbers: [56, 1] Generated Node #3: [56, 1] from Operation: 11-10=1 Current State: 55:[56, 1], Operations: ['69-13=56', '11-10=1'] Exploring Operation: 56-1=55, Resulting Numbers: [55] 55,55 equal: Goal Reached
4
Current State: 55:[13, 69, 11, 10], Operations: [] Exploring Operation: 69-13=56, Resulting Numbers: [11, 10, 56] Generated Node #0,0: 55:[11, 10, 56] Operation: 69-13=56 Exploring Operation: 69-11=58, Resulting Numbers: [13, 10, 58] Generated Node #0,1: 55:[13, 10, 58] Operation: 69-11=58 Start Sub Search at level 1: Moving to Node #0,0 Current State: 55:[11, 10, 56], Operations: ['69-13=56'] Exploring Operation: 56-10=46, Resulting Numbers: [11, 46] Generated Node #0,0,0: 55:[11, 46] Operation: 56-10=46 Exploring Operation: 11-10=1, Resulting Numbers: [56, 1] Generated Node #0,0,1: 55:[56, 1] Operation: 11-10=1 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 55:[56, 1], Operations: ['69-13=56', '11-10=1'] Exploring Operation: 56*1=56, Resulting Numbers: [56] 56,55 unequal: No Solution Exploring Operation: 56-1=55, Resulting Numbers: [55] 55,55 equal: Goal Reached Moving to Node #0 Current State: 55:[13, 69, 11, 10], Operations: [] Exploring Operation: 69-13=56, Resulting Numbers: [11, 10, 56] Generated Node #0,0: 55:[11, 10, 56] Operation: 69-13=56 Moving to Node #0,0 Current State: 55:[11, 10, 56], Operations: ['69-13=56'] Exploring Operation: 11-10=1, Resulting Numbers: [56, 1] Generated Node #0,0,1: 55:[56, 1] Operation: 11-10=1 Moving to Node #0,0,1 Current State: 55:[56, 1], Operations: ['69-13=56', '11-10=1'] Exploring Operation: 56-1=55, Resulting Numbers: [55] 55,55 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.991319
hs_2
mult_heuristic
[ 14, 40, 80, 88 ]
37
[ "88-14=74", "80/40=2", "74/2=37" ]
Current State: 37:[14, 40, 80, 88], Operations: [] Exploring Operation: 88-14=74, Resulting Numbers: [40, 80, 74] Generated Node #2: [40, 80, 74] from Operation: 88-14=74 Current State: 37:[40, 80, 74], Operations: ['88-14=74'] Exploring Operation: 80/40=2, Resulting Numbers: [74, 2] Generated Node #3: [74, 2] from Operation: 80/40=2 Current State: 37:[74, 2], Operations: ['88-14=74', '80/40=2'] Exploring Operation: 74/2=37, Resulting Numbers: [37] 37,37 equal: Goal Reached
4
Current State: 37:[14, 40, 80, 88], Operations: [] Exploring Operation: 88-80=8, Resulting Numbers: [14, 40, 8] Generated Node #0,0: 37:[14, 40, 8] Operation: 88-80=8 Exploring Operation: 80-40=40, Resulting Numbers: [14, 88, 40] Generated Node #0,1: 37:[14, 88, 40] Operation: 80-40=40 Moving to Node #0,0 Current State: 37:[14, 40, 8], Operations: ['88-80=8'] Exploring Operation: 14+8=22, Resulting Numbers: [40, 22] Generated Node #0,0,0: 37:[40, 22] Operation: 14+8=22 Exploring Operation: 40-8=32, Resulting Numbers: [14, 32] Generated Node #0,0,1: 37:[14, 32] Operation: 40-8=32 Moving to Node #0,1 Current State: 37:[14, 88, 40], Operations: ['80-40=40'] Exploring Operation: 88-40=48, Resulting Numbers: [14, 48] Generated Node #0,1,0: 37:[14, 48] Operation: 88-40=48 Exploring Operation: 88-14=74, Resulting Numbers: [40, 74] Generated Node #0,1,1: 37:[40, 74] Operation: 88-14=74 Moving to Node #0,0,0 Current State: 37:[40, 22], Operations: ['88-80=8', '14+8=22'] Exploring Operation: 40-22=18, Resulting Numbers: [18] 18,37 unequal: No Solution Exploring Operation: 40+22=62, Resulting Numbers: [62] 62,37 unequal: No Solution Moving to Node #0,0,1 Current State: 37:[14, 32], Operations: ['88-80=8', '40-8=32'] Exploring Operation: 32-14=18, Resulting Numbers: [18] 18,37 unequal: No Solution Exploring Operation: 14+32=46, Resulting Numbers: [46] 46,37 unequal: No Solution Moving to Node #0,1,0 Current State: 37:[14, 48], Operations: ['80-40=40', '88-40=48'] Exploring Operation: 48-14=34, Resulting Numbers: [34] 34,37 unequal: No Solution Exploring Operation: 14+48=62, Resulting Numbers: [62] 62,37 unequal: No Solution Moving to Node #0,1,1 Current State: 37:[40, 74], Operations: ['80-40=40', '88-14=74'] Exploring Operation: 40+74=114, Resulting Numbers: [114] 114,37 unequal: No Solution Exploring Operation: 74-40=34, Resulting Numbers: [34] 34,37 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 69, 60, 91, 12 ]
17
[ "69-60=9", "12*9=108", "108-91=17" ]
Current State: 17:[69, 60, 91, 12], Operations: [] Exploring Operation: 69-60=9, Resulting Numbers: [91, 12, 9] Generated Node #2: [91, 12, 9] from Operation: 69-60=9 Current State: 17:[91, 12, 9], Operations: ['69-60=9'] Exploring Operation: 12*9=108, Resulting Numbers: [91, 108] Generated Node #3: [91, 108] from Operation: 12*9=108 Current State: 17:[91, 108], Operations: ['69-60=9', '12*9=108'] Exploring Operation: 108-91=17, Resulting Numbers: [17] 17,17 equal: Goal Reached
4
Current State: 17:[69, 60, 91, 12], Operations: [] Exploring Operation: 91-60=31, Resulting Numbers: [69, 12, 31] Generated Node #0,0: 17:[69, 12, 31] Operation: 91-60=31 Exploring Operation: 91-69=22, Resulting Numbers: [60, 12, 22] Generated Node #0,1: 17:[60, 12, 22] Operation: 91-69=22 Moving to Node #0,1 Current State: 17:[60, 12, 22], Operations: ['91-69=22'] Exploring Operation: 60-22=38, Resulting Numbers: [12, 38] Generated Node #0,1,0: 17:[12, 38] Operation: 60-22=38 Exploring Operation: 60/12=5, Resulting Numbers: [22, 5] Generated Node #0,1,1: 17:[22, 5] Operation: 60/12=5 Moving to Node #0,0 Current State: 17:[69, 12, 31], Operations: ['91-60=31'] Exploring Operation: 69-31=38, Resulting Numbers: [12, 38] Generated Node #0,0,0: 17:[12, 38] Operation: 69-31=38 Exploring Operation: 69-12=57, Resulting Numbers: [31, 57] Generated Node #0,0,1: 17:[31, 57] Operation: 69-12=57 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 17:[12, 38], Operations: ['91-60=31', '69-31=38'] Exploring Operation: 12+38=50, Resulting Numbers: [50] 50,17 unequal: No Solution Exploring Operation: 38-12=26, Resulting Numbers: [26] 26,17 unequal: No Solution No 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: 17:[31, 57], Operations: ['91-60=31', '69-12=57'] Exploring Operation: 31+57=88, Resulting Numbers: [88] 88,17 unequal: No Solution Exploring Operation: 57-31=26, Resulting Numbers: [26] 26,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1,1 Current State: 17:[22, 5], Operations: ['91-69=22', '60/12=5'] Exploring Operation: 22-5=17, Resulting Numbers: [17] 17,17 equal: Goal Reached Moving to Node #0 Current State: 17:[69, 60, 91, 12], Operations: [] Exploring Operation: 91-69=22, Resulting Numbers: [60, 12, 22] Generated Node #0,1: 17:[60, 12, 22] Operation: 91-69=22 Moving to Node #0,1 Current State: 17:[60, 12, 22], Operations: ['91-69=22'] Exploring Operation: 60/12=5, Resulting Numbers: [22, 5] Generated Node #0,1,1: 17:[22, 5] Operation: 60/12=5 Moving to Node #0,1,1 Current State: 17:[22, 5], Operations: ['91-69=22', '60/12=5'] Exploring Operation: 22-5=17, Resulting Numbers: [17] 17,17 equal: Goal Reached
0.986979
hs_2
sum_heuristic
[ 5, 20, 61, 92 ]
56
[ "5+20=25", "92-61=31", "25+31=56" ]
Current State: 56:[5, 20, 61, 92], Operations: [] Exploring Operation: 5+20=25, Resulting Numbers: [61, 92, 25] Generated Node #2: [61, 92, 25] from Operation: 5+20=25 Current State: 56:[61, 92, 25], Operations: ['5+20=25'] Exploring Operation: 92-61=31, Resulting Numbers: [25, 31] Generated Node #3: [25, 31] from Operation: 92-61=31 Current State: 56:[25, 31], Operations: ['5+20=25', '92-61=31'] Exploring Operation: 25+31=56, Resulting Numbers: [56] 56,56 equal: Goal Reached
4
Current State: 56:[5, 20, 61, 92], Operations: [] Exploring Operation: 92-20=72, Resulting Numbers: [5, 61, 72] Generated Node #0,0: 56:[5, 61, 72] Operation: 92-20=72 Exploring Operation: 92-61=31, Resulting Numbers: [5, 20, 31] Generated Node #0,1: 56:[5, 20, 31] Operation: 92-61=31 Moving to Node #0,1 Current State: 56:[5, 20, 31], Operations: ['92-61=31'] Exploring Operation: 20-5=15, Resulting Numbers: [31, 15] Generated Node #0,1,0: 56:[31, 15] Operation: 20-5=15 Exploring Operation: 20/5=4, Resulting Numbers: [31, 4] Generated Node #0,1,1: 56:[31, 4] Operation: 20/5=4 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 56:[31, 4], Operations: ['92-61=31', '20/5=4'] Exploring Operation: 31+4=35, Resulting Numbers: [35] 35,56 unequal: No Solution Exploring Operation: 31-4=27, Resulting Numbers: [27] 27,56 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 56:[31, 15], Operations: ['92-61=31', '20-5=15'] Exploring Operation: 31+15=46, Resulting Numbers: [46] 46,56 unequal: No Solution Exploring Operation: 31-15=16, Resulting Numbers: [16] 16,56 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 56:[5, 61, 72], Operations: ['92-20=72'] Exploring Operation: 72-61=11, Resulting Numbers: [5, 11] Generated Node #0,0,0: 56:[5, 11] Operation: 72-61=11 Exploring Operation: 61-5=56, Resulting Numbers: [72, 56] Generated Node #0,0,1: 56:[72, 56] Operation: 61-5=56 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 56:[5, 11], Operations: ['92-20=72', '72-61=11'] Exploring Operation: 5*11=55, Resulting Numbers: [55] 55,56 unequal: No Solution Exploring Operation: 11-5=6, Resulting Numbers: [6] 6,56 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 56:[72, 56], Operations: ['92-20=72', '61-5=56'] Exploring Operation: 72+56=128, Resulting Numbers: [128] 128,56 unequal: No Solution Exploring Operation: 72-56=16, Resulting Numbers: [16] 16,56 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
[ 53, 53, 61, 16 ]
45
[ "53-53=0", "61-16=45", "0+45=45" ]
Current State: 45:[53, 53, 61, 16], Operations: [] Exploring Operation: 53-53=0, Resulting Numbers: [61, 16, 0] Generated Node #2: [61, 16, 0] from Operation: 53-53=0 Current State: 45:[61, 16, 0], Operations: ['53-53=0'] Exploring Operation: 61-16=45, Resulting Numbers: [0, 45] Generated Node #3: [0, 45] from Operation: 61-16=45 Current State: 45:[0, 45], Operations: ['53-53=0', '61-16=45'] Exploring Operation: 0+45=45, Resulting Numbers: [45] 45,45 equal: Goal Reached
4
Current State: 45:[53, 53, 61, 16], Operations: [] Exploring Operation: 61-16=45, Resulting Numbers: [53, 53, 45] Generated Node #0,0: 45:[53, 53, 45] Operation: 61-16=45 Exploring Operation: 61-53=8, Resulting Numbers: [53, 16, 8] Generated Node #0,1: 45:[53, 16, 8] Operation: 61-53=8 Exploring Operation: 61-53=8, Resulting Numbers: [53, 16, 8] Generated Node #0,2: 45:[53, 16, 8] Operation: 61-53=8 Moving to Node #0,1 Current State: 45:[53, 16, 8], Operations: ['61-53=8'] Exploring Operation: 16-8=8, Resulting Numbers: [53, 8] Generated Node #0,1,0: 45:[53, 8] Operation: 16-8=8 Exploring Operation: 53-16=37, Resulting Numbers: [8, 37] Generated Node #0,1,1: 45:[8, 37] Operation: 53-16=37 Exploring Operation: 53-8=45, Resulting Numbers: [16, 45] Generated Node #0,1,2: 45:[16, 45] Operation: 53-8=45 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 45:[16, 45], Operations: ['61-53=8', '53-8=45'] Exploring Operation: 16+45=61, Resulting Numbers: [61] 61,45 unequal: No Solution Exploring Operation: 16*45=720, Resulting Numbers: [720] 720,45 unequal: No Solution Exploring Operation: 45-16=29, Resulting Numbers: [29] 29,45 unequal: No Solution No 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: 45:[53, 8], Operations: ['61-53=8', '16-8=8'] Exploring Operation: 53*8=424, Resulting Numbers: [424] 424,45 unequal: No Solution Exploring Operation: 53+8=61, Resulting Numbers: [61] 61,45 unequal: No Solution Exploring Operation: 53-8=45, Resulting Numbers: [45] 45,45 equal: Goal Reached Moving to Node #0 Current State: 45:[53, 53, 61, 16], Operations: [] Exploring Operation: 61-53=8, Resulting Numbers: [53, 16, 8] Generated Node #0,1: 45:[53, 16, 8] Operation: 61-53=8 Moving to Node #0,1 Current State: 45:[53, 16, 8], Operations: ['61-53=8'] Exploring Operation: 16-8=8, Resulting Numbers: [53, 8] Generated Node #0,1,0: 45:[53, 8] Operation: 16-8=8 Moving to Node #0,1,0 Current State: 45:[53, 8], Operations: ['61-53=8', '16-8=8'] Exploring Operation: 53-8=45, Resulting Numbers: [45] 45,45 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_3
sum_heuristic
[ 73, 61, 77, 48 ]
81
[ "73-61=12", "48/12=4", "77+4=81" ]
Current State: 81:[73, 61, 77, 48], Operations: [] Exploring Operation: 73-61=12, Resulting Numbers: [77, 48, 12] Generated Node #2: [77, 48, 12] from Operation: 73-61=12 Current State: 81:[77, 48, 12], Operations: ['73-61=12'] Exploring Operation: 48/12=4, Resulting Numbers: [77, 4] Generated Node #3: [77, 4] from Operation: 48/12=4 Current State: 81:[77, 4], Operations: ['73-61=12', '48/12=4'] Exploring Operation: 77+4=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[73, 61, 77, 48], Operations: [] Exploring Operation: 73-61=12, Resulting Numbers: [77, 48, 12] Generated Node #0,0: 81:[77, 48, 12] Operation: 73-61=12 Exploring Operation: 73-48=25, Resulting Numbers: [61, 77, 25] Generated Node #0,1: 81:[61, 77, 25] Operation: 73-48=25 Exploring Operation: 61-48=13, Resulting Numbers: [73, 77, 13] Generated Node #0,2: 81:[73, 77, 13] Operation: 61-48=13 Exploring Operation: 77-48=29, Resulting Numbers: [73, 61, 29] Generated Node #0,3: 81:[73, 61, 29] Operation: 77-48=29 Exploring Operation: 77-61=16, Resulting Numbers: [73, 48, 16] Generated Node #0,4: 81:[73, 48, 16] Operation: 77-61=16 Moving to Node #0,2 Current State: 81:[73, 77, 13], Operations: ['61-48=13'] Exploring Operation: 77+13=90, Resulting Numbers: [73, 90] Generated Node #0,2,0: 81:[73, 90] Operation: 77+13=90 Exploring Operation: 73+13=86, Resulting Numbers: [77, 86] Generated Node #0,2,1: 81:[77, 86] Operation: 73+13=86 Exploring Operation: 73-13=60, Resulting Numbers: [77, 60] Generated Node #0,2,2: 81:[77, 60] Operation: 73-13=60 Exploring Operation: 77-73=4, Resulting Numbers: [13, 4] Generated Node #0,2,3: 81:[13, 4] Operation: 77-73=4 Exploring Operation: 77-13=64, Resulting Numbers: [73, 64] Generated Node #0,2,4: 81:[73, 64] Operation: 77-13=64 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 81:[13, 4], Operations: ['61-48=13', '77-73=4'] Exploring Operation: 13*4=52, Resulting Numbers: [52] 52,81 unequal: No Solution Exploring Operation: 13-4=9, Resulting Numbers: [9] 9,81 unequal: No Solution Exploring Operation: 13+4=17, Resulting Numbers: [17] 17,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 81:[77, 86], Operations: ['61-48=13', '73+13=86'] Exploring Operation: 77+86=163, Resulting Numbers: [163] 163,81 unequal: No Solution Exploring Operation: 77*86=6622, Resulting Numbers: [6622] 6622,81 unequal: No Solution Exploring Operation: 86-77=9, Resulting Numbers: [9] 9,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 81:[73, 90], Operations: ['61-48=13', '77+13=90'] Exploring Operation: 73*90=6570, Resulting Numbers: [6570] 6570,81 unequal: No Solution Exploring Operation: 90-73=17, Resulting Numbers: [17] 17,81 unequal: No Solution Exploring Operation: 73+90=163, Resulting Numbers: [163] 163,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 81:[77, 60], Operations: ['61-48=13', '73-13=60'] Exploring Operation: 77*60=4620, Resulting Numbers: [4620] 4620,81 unequal: No Solution Exploring Operation: 77-60=17, Resulting Numbers: [17] 17,81 unequal: No Solution Exploring Operation: 77+60=137, Resulting Numbers: [137] 137,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 81:[73, 64], Operations: ['61-48=13', '77-13=64'] Exploring Operation: 73-64=9, Resulting Numbers: [9] 9,81 unequal: No Solution Exploring Operation: 73+64=137, Resulting Numbers: [137] 137,81 unequal: No Solution Exploring Operation: 73*64=4672, Resulting Numbers: [4672] 4672,81 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: 81:[61, 77, 25], Operations: ['73-48=25'] Exploring Operation: 61+25=86, Resulting Numbers: [77, 86] Generated Node #0,1,0: 81:[77, 86] Operation: 61+25=86 Exploring Operation: 77+25=102, Resulting Numbers: [61, 102] Generated Node #0,1,1: 81:[61, 102] Operation: 77+25=102 Exploring Operation: 77-25=52, Resulting Numbers: [61, 52] Generated Node #0,1,2: 81:[61, 52] Operation: 77-25=52 Exploring Operation: 61-25=36, Resulting Numbers: [77, 36] Generated Node #0,1,3: 81:[77, 36] Operation: 61-25=36 Exploring Operation: 77-61=16, Resulting Numbers: [25, 16] Generated Node #0,1,4: 81:[25, 16] Operation: 77-61=16 Moving to Node #0,0 Current State: 81:[77, 48, 12], Operations: ['73-61=12'] Exploring Operation: 48-12=36, Resulting Numbers: [77, 36] Generated Node #0,0,0: 81:[77, 36] Operation: 48-12=36 Exploring Operation: 48/12=4, Resulting Numbers: [77, 4] Generated Node #0,0,1: 81:[77, 4] Operation: 48/12=4 Exploring Operation: 77-48=29, Resulting Numbers: [12, 29] Generated Node #0,0,2: 81:[12, 29] Operation: 77-48=29 Exploring Operation: 48+12=60, Resulting Numbers: [77, 60] Generated Node #0,0,3: 81:[77, 60] Operation: 48+12=60 Exploring Operation: 77+12=89, Resulting Numbers: [48, 89] Generated Node #0,0,4: 81:[48, 89] Operation: 77+12=89 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 81:[77, 4], Operations: ['73-61=12', '48/12=4'] Exploring Operation: 77*4=308, Resulting Numbers: [308] 308,81 unequal: No Solution Exploring Operation: 77-4=73, Resulting Numbers: [73] 73,81 unequal: No Solution Exploring Operation: 77+4=81, Resulting Numbers: [81] 81,81 equal: Goal Reached Moving to Node #0 Current State: 81:[73, 61, 77, 48], Operations: [] Exploring Operation: 73-61=12, Resulting Numbers: [77, 48, 12] Generated Node #0,0: 81:[77, 48, 12] Operation: 73-61=12 Moving to Node #0,0 Current State: 81:[77, 48, 12], Operations: ['73-61=12'] Exploring Operation: 48/12=4, Resulting Numbers: [77, 4] Generated Node #0,0,1: 81:[77, 4] Operation: 48/12=4 Moving to Node #0,0,1 Current State: 81:[77, 4], Operations: ['73-61=12', '48/12=4'] Exploring Operation: 77+4=81, Resulting Numbers: [81] 81,81 equal: Goal Reached Exit Sub Search at level 1
0.963542
hs_5
mult_heuristic
[ 26, 37, 39, 13 ]
52
[ "39-37=2", "13*2=26", "26+26=52" ]
Current State: 52:[26, 37, 39, 13], Operations: [] Exploring Operation: 39-37=2, Resulting Numbers: [26, 13, 2] Generated Node #2: [26, 13, 2] from Operation: 39-37=2 Current State: 52:[26, 13, 2], Operations: ['39-37=2'] Exploring Operation: 13*2=26, Resulting Numbers: [26, 26] Generated Node #3: [26, 26] from Operation: 13*2=26 Current State: 52:[26, 26], Operations: ['39-37=2', '13*2=26'] Exploring Operation: 26+26=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[26, 37, 39, 13], Operations: [] Exploring Operation: 39+13=52, Resulting Numbers: [26, 37, 52] Generated Node #0,0: 52:[26, 37, 52] Operation: 39+13=52 Exploring Operation: 39-37=2, Resulting Numbers: [26, 13, 2] Generated Node #0,1: 52:[26, 13, 2] Operation: 39-37=2 Exploring Operation: 39-13=26, Resulting Numbers: [26, 37, 26] Generated Node #0,2: 52:[26, 37, 26] Operation: 39-13=26 Exploring Operation: 39-26=13, Resulting Numbers: [37, 13, 13] Generated Node #0,3: 52:[37, 13, 13] Operation: 39-26=13 Start Sub Search at level 1: Moving to Node #0,1 Current State: 52:[26, 13, 2], Operations: ['39-37=2'] Exploring Operation: 26*2=52, Resulting Numbers: [13, 52] Generated Node #0,1,0: 52:[13, 52] Operation: 26*2=52 Exploring Operation: 26/13=2, Resulting Numbers: [2, 2] Generated Node #0,1,1: 52:[2, 2] Operation: 26/13=2 Exploring Operation: 26-13=13, Resulting Numbers: [2, 13] Generated Node #0,1,2: 52:[2, 13] Operation: 26-13=13 Exploring Operation: 26/2=13, Resulting Numbers: [13, 13] Generated Node #0,1,3: 52:[13, 13] Operation: 26/2=13 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 52:[13, 52], Operations: ['39-37=2', '26*2=52'] Exploring Operation: 52-13=39, Resulting Numbers: [39] 39,52 unequal: No Solution Exploring Operation: 13*52=676, Resulting Numbers: [676] 676,52 unequal: No Solution Exploring Operation: 52/13=4, Resulting Numbers: [4] 4,52 unequal: No Solution Exploring Operation: 13+52=65, Resulting Numbers: [65] 65,52 unequal: No Solution No 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: 52:[2, 2], Operations: ['39-37=2', '26/13=2'] Exploring Operation: 2-2=0, Resulting Numbers: [0] 0,52 unequal: No Solution Exploring Operation: 2*2=4, Resulting Numbers: [4] 4,52 unequal: No Solution Exploring Operation: 2/2=1, Resulting Numbers: [1] 1,52 unequal: No Solution Exploring Operation: 2+2=4, Resulting Numbers: [4] 4,52 unequal: No Solution No 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: 52:[2, 13], Operations: ['39-37=2', '26-13=13'] Exploring Operation: 2*13=26, Resulting Numbers: [26] 26,52 unequal: No Solution Exploring Operation: 2+13=15, Resulting Numbers: [15] 15,52 unequal: No Solution Exploring Operation: 13-2=11, Resulting Numbers: [11] 11,52 unequal: No Solution No 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: 52:[13, 13], Operations: ['39-37=2', '26/2=13'] Exploring Operation: 13+13=26, Resulting Numbers: [26] 26,52 unequal: No Solution Exploring Operation: 13*13=169, Resulting Numbers: [169] 169,52 unequal: No Solution Exploring Operation: 13-13=0, Resulting Numbers: [0] 0,52 unequal: No Solution Exploring Operation: 13/13=1, Resulting Numbers: [1] 1,52 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: 52:[26, 37, 52], Operations: ['39+13=52'] Exploring Operation: 37-26=11, Resulting Numbers: [52, 11] Generated Node #0,0,0: 52:[52, 11] Operation: 37-26=11 Exploring Operation: 52-26=26, Resulting Numbers: [37, 26] Generated Node #0,0,1: 52:[37, 26] Operation: 52-26=26 Exploring Operation: 52-37=15, Resulting Numbers: [26, 15] Generated Node #0,0,2: 52:[26, 15] Operation: 52-37=15 Exploring Operation: 26+37=63, Resulting Numbers: [52, 63] Generated Node #0,0,3: 52:[52, 63] Operation: 26+37=63 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 52:[52, 11], Operations: ['39+13=52', '37-26=11'] Exploring Operation: 52-11=41, Resulting Numbers: [41] 41,52 unequal: No Solution Exploring Operation: 52*11=572, Resulting Numbers: [572] 572,52 unequal: No Solution Exploring Operation: 52+11=63, Resulting Numbers: [63] 63,52 unequal: No Solution No 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: 52:[26, 15], Operations: ['39+13=52', '52-37=15'] Exploring Operation: 26*15=390, Resulting Numbers: [390] 390,52 unequal: No Solution Exploring Operation: 26-15=11, Resulting Numbers: [11] 11,52 unequal: No Solution Exploring Operation: 26+15=41, Resulting Numbers: [41] 41,52 unequal: No Solution No 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: 52:[37, 26], Operations: ['39+13=52', '52-26=26'] Exploring Operation: 37-26=11, Resulting Numbers: [11] 11,52 unequal: No Solution Exploring Operation: 37*26=962, Resulting Numbers: [962] 962,52 unequal: No Solution Exploring Operation: 37+26=63, Resulting Numbers: [63] 63,52 unequal: No Solution No 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: 52:[52, 63], Operations: ['39+13=52', '26+37=63'] Exploring Operation: 52+63=115, Resulting Numbers: [115] 115,52 unequal: No Solution Exploring Operation: 52*63=3276, Resulting Numbers: [3276] 3276,52 unequal: No Solution Exploring Operation: 63-52=11, Resulting Numbers: [11] 11,52 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: 52:[26, 37, 26], Operations: ['39-13=26'] Exploring Operation: 37-26=11, Resulting Numbers: [26, 11] Generated Node #0,2,0: 52:[26, 11] Operation: 37-26=11 Exploring Operation: 26+26=52, Resulting Numbers: [37, 52] Generated Node #0,2,1: 52:[37, 52] Operation: 26+26=52 Exploring Operation: 26+37=63, Resulting Numbers: [26, 63] Generated Node #0,2,2: 52:[26, 63] Operation: 26+37=63 Exploring Operation: 37-26=11, Resulting Numbers: [26, 11] Generated Node #0,2,3: 52:[26, 11] Operation: 37-26=11 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 52:[26, 11], Operations: ['39-13=26', '37-26=11'] Exploring Operation: 26+11=37, Resulting Numbers: [37] 37,52 unequal: No Solution Exploring Operation: 26*11=286, Resulting Numbers: [286] 286,52 unequal: No Solution Exploring Operation: 26-11=15, Resulting Numbers: [15] 15,52 unequal: No Solution No 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: 52:[26, 11], Operations: ['39-13=26', '37-26=11'] Exploring Operation: 26+11=37, Resulting Numbers: [37] 37,52 unequal: No Solution Exploring Operation: 26-11=15, Resulting Numbers: [15] 15,52 unequal: No Solution Exploring Operation: 26*11=286, Resulting Numbers: [286] 286,52 unequal: No Solution No 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: 52:[37, 52], Operations: ['39-13=26', '26+26=52'] Exploring Operation: 37+52=89, Resulting Numbers: [89] 89,52 unequal: No Solution Exploring Operation: 37*52=1924, Resulting Numbers: [1924] 1924,52 unequal: No Solution Exploring Operation: 52-37=15, Resulting Numbers: [15] 15,52 unequal: No Solution No 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: 52:[26, 63], Operations: ['39-13=26', '26+37=63'] Exploring Operation: 63-26=37, Resulting Numbers: [37] 37,52 unequal: No Solution Exploring Operation: 26*63=1638, Resulting Numbers: [1638] 1638,52 unequal: No Solution Exploring Operation: 26+63=89, Resulting Numbers: [89] 89,52 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: 52:[37, 13, 13], Operations: ['39-26=13'] Exploring Operation: 37-13=24, Resulting Numbers: [13, 24] Generated Node #0,3,0: 52:[13, 24] Operation: 37-13=24 Exploring Operation: 37+13=50, Resulting Numbers: [13, 50] Generated Node #0,3,1: 52:[13, 50] Operation: 37+13=50 Exploring Operation: 37+13=50, Resulting Numbers: [13, 50] Generated Node #0,3,2: 52:[13, 50] Operation: 37+13=50 Exploring Operation: 37-13=24, Resulting Numbers: [13, 24] Generated Node #0,3,3: 52:[13, 24] Operation: 37-13=24 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 52:[13, 24], Operations: ['39-26=13', '37-13=24'] Exploring Operation: 13*24=312, Resulting Numbers: [312] 312,52 unequal: No Solution Exploring Operation: 24-13=11, Resulting Numbers: [11] 11,52 unequal: No Solution Exploring Operation: 13+24=37, Resulting Numbers: [37] 37,52 unequal: No Solution No 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: 52:[13, 50], Operations: ['39-26=13', '37+13=50'] Exploring Operation: 50-13=37, Resulting Numbers: [37] 37,52 unequal: No Solution Exploring Operation: 13+50=63, Resulting Numbers: [63] 63,52 unequal: No Solution Exploring Operation: 13*50=650, Resulting Numbers: [650] 650,52 unequal: No Solution No 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: 52:[13, 50], Operations: ['39-26=13', '37+13=50'] Exploring Operation: 50-13=37, Resulting Numbers: [37] 37,52 unequal: No Solution Exploring Operation: 13*50=650, Resulting Numbers: [650] 650,52 unequal: No Solution Exploring Operation: 13+50=63, Resulting Numbers: [63] 63,52 unequal: No Solution No 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: 52:[13, 24], Operations: ['39-26=13', '37-13=24'] Exploring Operation: 13*24=312, Resulting Numbers: [312] 312,52 unequal: No Solution Exploring Operation: 13+24=37, Resulting Numbers: [37] 37,52 unequal: No Solution Exploring Operation: 24-13=11, Resulting Numbers: [11] 11,52 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
[ 40, 34, 16, 79 ]
57
[ "40-34=6", "79-16=63", "63-6=57" ]
Current State: 57:[40, 34, 16, 79], Operations: [] Exploring Operation: 40-34=6, Resulting Numbers: [16, 79, 6] Generated Node #2: [16, 79, 6] from Operation: 40-34=6 Current State: 57:[16, 79, 6], Operations: ['40-34=6'] Exploring Operation: 79-16=63, Resulting Numbers: [6, 63] Generated Node #3: [6, 63] from Operation: 79-16=63 Current State: 57:[6, 63], Operations: ['40-34=6', '79-16=63'] Exploring Operation: 63-6=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
4
Current State: 57:[40, 34, 16, 79], Operations: [] Exploring Operation: 79-16=63, Resulting Numbers: [40, 34, 63] Generated Node #0,0: 57:[40, 34, 63] Operation: 79-16=63 Exploring Operation: 40-34=6, Resulting Numbers: [16, 79, 6] Generated Node #0,1: 57:[16, 79, 6] Operation: 40-34=6 Exploring Operation: 79-34=45, Resulting Numbers: [40, 16, 45] Generated Node #0,2: 57:[40, 16, 45] Operation: 79-34=45 Exploring Operation: 40+16=56, Resulting Numbers: [34, 79, 56] Generated Node #0,3: 57:[34, 79, 56] Operation: 40+16=56 Exploring Operation: 79-40=39, Resulting Numbers: [34, 16, 39] Generated Node #0,4: 57:[34, 16, 39] Operation: 79-40=39 Start Sub Search at level 1: Moving to Node #0,1 Current State: 57:[16, 79, 6], Operations: ['40-34=6'] Exploring Operation: 79-6=73, Resulting Numbers: [16, 73] Generated Node #0,1,0: 57:[16, 73] Operation: 79-6=73 Exploring Operation: 16-6=10, Resulting Numbers: [79, 10] Generated Node #0,1,1: 57:[79, 10] Operation: 16-6=10 Exploring Operation: 79-16=63, Resulting Numbers: [6, 63] Generated Node #0,1,2: 57:[6, 63] Operation: 79-16=63 Exploring Operation: 16+6=22, Resulting Numbers: [79, 22] Generated Node #0,1,3: 57:[79, 22] Operation: 16+6=22 Exploring Operation: 79+6=85, Resulting Numbers: [16, 85] Generated Node #0,1,4: 57:[16, 85] Operation: 79+6=85 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 57:[6, 63], Operations: ['40-34=6', '79-16=63'] Exploring Operation: 63-6=57, Resulting Numbers: [57] 57,57 equal: Goal Reached Moving to Node #0 Current State: 57:[40, 34, 16, 79], Operations: [] Exploring Operation: 40-34=6, Resulting Numbers: [16, 79, 6] Generated Node #0,1: 57:[16, 79, 6] Operation: 40-34=6 Moving to Node #0,1 Current State: 57:[16, 79, 6], Operations: ['40-34=6'] Exploring Operation: 79-16=63, Resulting Numbers: [6, 63] Generated Node #0,1,2: 57:[6, 63] Operation: 79-16=63 Moving to Node #0,1,2 Current State: 57:[6, 63], Operations: ['40-34=6', '79-16=63'] Exploring Operation: 63-6=57, Resulting Numbers: [57] 57,57 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986979
hs_5
sum_heuristic
[ 8, 80, 6, 82 ]
39
[ "8-6=2", "82/2=41", "80-41=39" ]
Current State: 39:[8, 80, 6, 82], Operations: [] Exploring Operation: 8-6=2, Resulting Numbers: [80, 82, 2] Generated Node #2: [80, 82, 2] from Operation: 8-6=2 Current State: 39:[80, 82, 2], Operations: ['8-6=2'] Exploring Operation: 82/2=41, Resulting Numbers: [80, 41] Generated Node #3: [80, 41] from Operation: 82/2=41 Current State: 39:[80, 41], Operations: ['8-6=2', '82/2=41'] Exploring Operation: 80-41=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
4
Current State: 39:[8, 80, 6, 82], Operations: [] Exploring Operation: 82-80=2, Resulting Numbers: [8, 6, 2] Generated Node #0,0: 39:[8, 6, 2] Operation: 82-80=2 Exploring Operation: 80-8=72, Resulting Numbers: [6, 82, 72] Generated Node #0,1: 39:[6, 82, 72] Operation: 80-8=72 Exploring Operation: 80/8=10, Resulting Numbers: [6, 82, 10] Generated Node #0,2: 39:[6, 82, 10] Operation: 80/8=10 Exploring Operation: 80-6=74, Resulting Numbers: [8, 82, 74] Generated Node #0,3: 39:[8, 82, 74] Operation: 80-6=74 Exploring Operation: 82-8=74, Resulting Numbers: [80, 6, 74] Generated Node #0,4: 39:[80, 6, 74] Operation: 82-8=74 Moving to Node #0,0 Current State: 39:[8, 6, 2], Operations: ['82-80=2'] Exploring Operation: 6/2=3, Resulting Numbers: [8, 3] Generated Node #0,0,0: 39:[8, 3] Operation: 6/2=3 Exploring Operation: 8+2=10, Resulting Numbers: [6, 10] Generated Node #0,0,1: 39:[6, 10] Operation: 8+2=10 Exploring Operation: 8/2=4, Resulting Numbers: [6, 4] Generated Node #0,0,2: 39:[6, 4] Operation: 8/2=4 Exploring Operation: 8+6=14, Resulting Numbers: [2, 14] Generated Node #0,0,3: 39:[2, 14] Operation: 8+6=14 Exploring Operation: 8-6=2, Resulting Numbers: [2, 2] Generated Node #0,0,4: 39:[2, 2] Operation: 8-6=2 Moving to Node #0,2 Current State: 39:[6, 82, 10], Operations: ['80/8=10'] Exploring Operation: 6+82=88, Resulting Numbers: [10, 88] Generated Node #0,2,0: 39:[10, 88] Operation: 6+82=88 Exploring Operation: 82-10=72, Resulting Numbers: [6, 72] Generated Node #0,2,1: 39:[6, 72] Operation: 82-10=72 Exploring Operation: 6+10=16, Resulting Numbers: [82, 16] Generated Node #0,2,2: 39:[82, 16] Operation: 6+10=16 Exploring Operation: 10-6=4, Resulting Numbers: [82, 4] Generated Node #0,2,3: 39:[82, 4] Operation: 10-6=4 Exploring Operation: 82-6=76, Resulting Numbers: [10, 76] Generated Node #0,2,4: 39:[10, 76] Operation: 82-6=76 Moving to Node #0,1 Current State: 39:[6, 82, 72], Operations: ['80-8=72'] Exploring Operation: 82-72=10, Resulting Numbers: [6, 10] Generated Node #0,1,0: 39:[6, 10] Operation: 82-72=10 Exploring Operation: 72-6=66, Resulting Numbers: [82, 66] Generated Node #0,1,1: 39:[82, 66] Operation: 72-6=66 Exploring Operation: 6+82=88, Resulting Numbers: [72, 88] Generated Node #0,1,2: 39:[72, 88] Operation: 6+82=88 Exploring Operation: 82-6=76, Resulting Numbers: [72, 76] Generated Node #0,1,3: 39:[72, 76] Operation: 82-6=76 Exploring Operation: 72/6=12, Resulting Numbers: [82, 12] Generated Node #0,1,4: 39:[82, 12] Operation: 72/6=12 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 39:[6, 10], Operations: ['80-8=72', '82-72=10'] Exploring Operation: 6*10=60, Resulting Numbers: [60] 60,39 unequal: No Solution Exploring Operation: 10-6=4, Resulting Numbers: [4] 4,39 unequal: No Solution Exploring Operation: 6+10=16, Resulting Numbers: [16] 16,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 39:[82, 12], Operations: ['80-8=72', '72/6=12'] Exploring Operation: 82-12=70, Resulting Numbers: [70] 70,39 unequal: No Solution Exploring Operation: 82+12=94, Resulting Numbers: [94] 94,39 unequal: No Solution Exploring Operation: 82*12=984, Resulting Numbers: [984] 984,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 39:[82, 66], Operations: ['80-8=72', '72-6=66'] Exploring Operation: 82-66=16, Resulting Numbers: [16] 16,39 unequal: No Solution Exploring Operation: 82*66=5412, Resulting Numbers: [5412] 5412,39 unequal: No Solution Exploring Operation: 82+66=148, Resulting Numbers: [148] 148,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 39:[72, 76], Operations: ['80-8=72', '82-6=76'] Exploring Operation: 72+76=148, Resulting Numbers: [148] 148,39 unequal: No Solution Exploring Operation: 76-72=4, Resulting Numbers: [4] 4,39 unequal: No Solution Exploring Operation: 72*76=5472, Resulting Numbers: [5472] 5472,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 39:[72, 88], Operations: ['80-8=72', '6+82=88'] Exploring Operation: 72+88=160, Resulting Numbers: [160] 160,39 unequal: No Solution Exploring Operation: 72*88=6336, Resulting Numbers: [6336] 6336,39 unequal: No Solution Exploring Operation: 88-72=16, Resulting Numbers: [16] 16,39 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: 39:[80, 6, 74], Operations: ['82-8=74'] Exploring Operation: 6+74=80, Resulting Numbers: [80, 80] Generated Node #0,4,0: 39:[80, 80] Operation: 6+74=80 Exploring Operation: 80+6=86, Resulting Numbers: [74, 86] Generated Node #0,4,1: 39:[74, 86] Operation: 80+6=86 Exploring Operation: 74-6=68, Resulting Numbers: [80, 68] Generated Node #0,4,2: 39:[80, 68] Operation: 74-6=68 Exploring Operation: 80-74=6, Resulting Numbers: [6, 6] Generated Node #0,4,3: 39:[6, 6] Operation: 80-74=6 Exploring Operation: 80-6=74, Resulting Numbers: [74, 74] Generated Node #0,4,4: 39:[74, 74] Operation: 80-6=74 Moving to Node #0,3 Current State: 39:[8, 82, 74], Operations: ['80-6=74'] Exploring Operation: 8+74=82, Resulting Numbers: [82, 82] Generated Node #0,3,0: 39:[82, 82] Operation: 8+74=82 Exploring Operation: 74-8=66, Resulting Numbers: [82, 66] Generated Node #0,3,1: 39:[82, 66] Operation: 74-8=66 Exploring Operation: 82-8=74, Resulting Numbers: [74, 74] Generated Node #0,3,2: 39:[74, 74] Operation: 82-8=74 Exploring Operation: 82-74=8, Resulting Numbers: [8, 8] Generated Node #0,3,3: 39:[8, 8] Operation: 82-74=8 Exploring Operation: 8+82=90, Resulting Numbers: [74, 90] Generated Node #0,3,4: 39:[74, 90] Operation: 8+82=90 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 39:[8, 8], Operations: ['80-6=74', '82-74=8'] Exploring Operation: 8+8=16, Resulting Numbers: [16] 16,39 unequal: No Solution Exploring Operation: 8-8=0, Resulting Numbers: [0] 0,39 unequal: No Solution Exploring Operation: 8*8=64, Resulting Numbers: [64] 64,39 unequal: No Solution Exploring Operation: 8/8=1, Resulting Numbers: [1] 1,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 39:[82, 66], Operations: ['80-6=74', '74-8=66'] Exploring Operation: 82+66=148, Resulting Numbers: [148] 148,39 unequal: No Solution Exploring Operation: 82*66=5412, Resulting Numbers: [5412] 5412,39 unequal: No Solution Exploring Operation: 82-66=16, Resulting Numbers: [16] 16,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 39:[74, 74], Operations: ['80-6=74', '82-8=74'] Exploring Operation: 74+74=148, Resulting Numbers: [148] 148,39 unequal: No Solution Exploring Operation: 74-74=0, Resulting Numbers: [0] 0,39 unequal: No Solution Exploring Operation: 74/74=1, Resulting Numbers: [1] 1,39 unequal: No Solution Exploring Operation: 74*74=5476, Resulting Numbers: [5476] 5476,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 39:[82, 82], Operations: ['80-6=74', '8+74=82'] Exploring Operation: 82-82=0, Resulting Numbers: [0] 0,39 unequal: No Solution Exploring Operation: 82/82=1, Resulting Numbers: [1] 1,39 unequal: No Solution Exploring Operation: 82+82=164, Resulting Numbers: [164] 164,39 unequal: No Solution Exploring Operation: 82*82=6724, Resulting Numbers: [6724] 6724,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 39:[74, 90], Operations: ['80-6=74', '8+82=90'] Exploring Operation: 74*90=6660, Resulting Numbers: [6660] 6660,39 unequal: No Solution Exploring Operation: 74+90=164, Resulting Numbers: [164] 164,39 unequal: No Solution Exploring Operation: 90-74=16, Resulting Numbers: [16] 16,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,3 Current State: 39:[2, 14], Operations: ['82-80=2', '8+6=14'] Exploring Operation: 2+14=16, Resulting Numbers: [16] 16,39 unequal: No Solution Exploring Operation: 14-2=12, Resulting Numbers: [12] 12,39 unequal: No Solution Exploring Operation: 14/2=7, Resulting Numbers: [7] 7,39 unequal: No Solution Exploring Operation: 2*14=28, Resulting Numbers: [28] 28,39 unequal: No Solution Moving to Node #0,0,4 Current State: 39:[2, 2], Operations: ['82-80=2', '8-6=2'] Exploring Operation: 2*2=4, Resulting Numbers: [4] 4,39 unequal: No Solution Exploring Operation: 2-2=0, Resulting Numbers: [0] 0,39 unequal: No Solution Exploring Operation: 2+2=4, Resulting Numbers: [4] 4,39 unequal: No Solution Exploring Operation: 2/2=1, Resulting Numbers: [1] 1,39 unequal: No Solution Moving to Node #0,0,2 Current State: 39:[6, 4], Operations: ['82-80=2', '8/2=4'] Exploring Operation: 6+4=10, Resulting Numbers: [10] 10,39 unequal: No Solution Exploring Operation: 6-4=2, Resulting Numbers: [2] 2,39 unequal: No Solution Exploring Operation: 6*4=24, Resulting Numbers: [24] 24,39 unequal: No Solution Moving to Node #0,0,0 Current State: 39:[8, 3], Operations: ['82-80=2', '6/2=3'] Exploring Operation: 8*3=24, Resulting Numbers: [24] 24,39 unequal: No Solution Exploring Operation: 8+3=11, Resulting Numbers: [11] 11,39 unequal: No Solution Exploring Operation: 8-3=5, Resulting Numbers: [5] 5,39 unequal: No Solution Moving to Node #0,0,1 Current State: 39:[6, 10], Operations: ['82-80=2', '8+2=10'] Exploring Operation: 6*10=60, Resulting Numbers: [60] 60,39 unequal: No Solution Exploring Operation: 6+10=16, Resulting Numbers: [16] 16,39 unequal: No Solution Exploring Operation: 10-6=4, Resulting Numbers: [4] 4,39 unequal: No Solution Moving to Node #0,4,3 Current State: 39:[6, 6], Operations: ['82-8=74', '80-74=6'] Exploring Operation: 6/6=1, Resulting Numbers: [1] 1,39 unequal: No Solution Exploring Operation: 6+6=12, Resulting Numbers: [12] 12,39 unequal: No Solution Exploring Operation: 6*6=36, Resulting Numbers: [36] 36,39 unequal: No Solution Exploring Operation: 6-6=0, Resulting Numbers: [0] 0,39 unequal: No Solution Moving to Node #0,2,1 Current State: 39:[6, 72], Operations: ['80/8=10', '82-10=72'] Exploring Operation: 72/6=12, Resulting Numbers: [12] 12,39 unequal: No Solution Exploring Operation: 6+72=78, Resulting Numbers: [78] 78,39 unequal: No Solution Exploring Operation: 6*72=432, Resulting Numbers: [432] 432,39 unequal: No Solution Exploring Operation: 72-6=66, Resulting Numbers: [66] 66,39 unequal: No Solution Moving to Node #0,2,4 Current State: 39:[10, 76], Operations: ['80/8=10', '82-6=76'] Exploring Operation: 10*76=760, Resulting Numbers: [760] 760,39 unequal: No Solution Exploring Operation: 10+76=86, Resulting Numbers: [86] 86,39 unequal: No Solution Exploring Operation: 76-10=66, Resulting Numbers: [66] 66,39 unequal: No Solution Moving to Node #0,2,3 Current State: 39:[82, 4], Operations: ['80/8=10', '10-6=4'] Exploring Operation: 82+4=86, Resulting Numbers: [86] 86,39 unequal: No Solution Exploring Operation: 82-4=78, Resulting Numbers: [78] 78,39 unequal: No Solution Exploring Operation: 82*4=328, Resulting Numbers: [328] 328,39 unequal: No Solution Moving to Node #0,2,2 Current State: 39:[82, 16], Operations: ['80/8=10', '6+10=16'] Exploring Operation: 82-16=66, Resulting Numbers: [66] 66,39 unequal: No Solution Exploring Operation: 82+16=98, Resulting Numbers: [98] 98,39 unequal: No Solution Exploring Operation: 82*16=1312, Resulting Numbers: [1312] 1312,39 unequal: No Solution Moving to Node #0,2,0 Current State: 39:[10, 88], Operations: ['80/8=10', '6+82=88'] Exploring Operation: 10+88=98, Resulting Numbers: [98] 98,39 unequal: No Solution Exploring Operation: 10*88=880, Resulting Numbers: [880] 880,39 unequal: No Solution Exploring Operation: 88-10=78, Resulting Numbers: [78] 78,39 unequal: No Solution Moving to Node #0,4,2 Current State: 39:[80, 68], Operations: ['82-8=74', '74-6=68'] Exploring Operation: 80-68=12, Resulting Numbers: [12] 12,39 unequal: No Solution Exploring Operation: 80*68=5440, Resulting Numbers: [5440] 5440,39 unequal: No Solution Exploring Operation: 80+68=148, Resulting Numbers: [148] 148,39 unequal: No Solution Moving to Node #0,4,4 Current State: 39:[74, 74], Operations: ['82-8=74', '80-6=74'] Exploring Operation: 74+74=148, Resulting Numbers: [148] 148,39 unequal: No Solution Exploring Operation: 74/74=1, Resulting Numbers: [1] 1,39 unequal: No Solution Exploring Operation: 74-74=0, Resulting Numbers: [0] 0,39 unequal: No Solution Exploring Operation: 74*74=5476, Resulting Numbers: [5476] 5476,39 unequal: No Solution Moving to Node #0,4,1 Current State: 39:[74, 86], Operations: ['82-8=74', '80+6=86'] Exploring Operation: 86-74=12, Resulting Numbers: [12] 12,39 unequal: No Solution Exploring Operation: 74*86=6364, Resulting Numbers: [6364] 6364,39 unequal: No Solution Exploring Operation: 74+86=160, Resulting Numbers: [160] 160,39 unequal: No Solution Moving to Node #0,4,0 Current State: 39:[80, 80], Operations: ['82-8=74', '6+74=80'] Exploring Operation: 80*80=6400, Resulting Numbers: [6400] 6400,39 unequal: No Solution Exploring Operation: 80/80=1, Resulting Numbers: [1] 1,39 unequal: No Solution Exploring Operation: 80-80=0, Resulting Numbers: [0] 0,39 unequal: No Solution Exploring Operation: 80+80=160, Resulting Numbers: [160] 160,39 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 59, 55, 16, 86 ]
74
[ "59-55=4", "86-16=70", "4+70=74" ]
Current State: 74:[59, 55, 16, 86], Operations: [] Exploring Operation: 59-55=4, Resulting Numbers: [16, 86, 4] Generated Node #2: [16, 86, 4] from Operation: 59-55=4 Current State: 74:[16, 86, 4], Operations: ['59-55=4'] Exploring Operation: 86-16=70, Resulting Numbers: [4, 70] Generated Node #3: [4, 70] from Operation: 86-16=70 Current State: 74:[4, 70], Operations: ['59-55=4', '86-16=70'] Exploring Operation: 4+70=74, Resulting Numbers: [74] 74,74 equal: Goal Reached
4
Current State: 74:[59, 55, 16, 86], Operations: [] Exploring Operation: 55-16=39, Resulting Numbers: [59, 86, 39] Generated Node #0,0: 74:[59, 86, 39] Operation: 55-16=39 Exploring Operation: 55+16=71, Resulting Numbers: [59, 86, 71] Generated Node #0,1: 74:[59, 86, 71] Operation: 55+16=71 Exploring Operation: 59-55=4, Resulting Numbers: [16, 86, 4] Generated Node #0,2: 74:[16, 86, 4] Operation: 59-55=4 Exploring Operation: 59+16=75, Resulting Numbers: [55, 86, 75] Generated Node #0,3: 74:[55, 86, 75] Operation: 59+16=75 Moving to Node #0,2 Current State: 74:[16, 86, 4], Operations: ['59-55=4'] Exploring Operation: 16/4=4, Resulting Numbers: [86, 4] Generated Node #0,2,0: 74:[86, 4] Operation: 16/4=4 Exploring Operation: 16-4=12, Resulting Numbers: [86, 12] Generated Node #0,2,1: 74:[86, 12] Operation: 16-4=12 Exploring Operation: 86-16=70, Resulting Numbers: [4, 70] Generated Node #0,2,2: 74:[4, 70] Operation: 86-16=70 Exploring Operation: 16*4=64, Resulting Numbers: [86, 64] Generated Node #0,2,3: 74:[86, 64] Operation: 16*4=64 Moving to Node #0,0 Current State: 74:[59, 86, 39], Operations: ['55-16=39'] Exploring Operation: 59+39=98, Resulting Numbers: [86, 98] Generated Node #0,0,0: 74:[86, 98] Operation: 59+39=98 Exploring Operation: 59-39=20, Resulting Numbers: [86, 20] Generated Node #0,0,1: 74:[86, 20] Operation: 59-39=20 Exploring Operation: 86-59=27, Resulting Numbers: [39, 27] Generated Node #0,0,2: 74:[39, 27] Operation: 86-59=27 Exploring Operation: 86-39=47, Resulting Numbers: [59, 47] Generated Node #0,0,3: 74:[59, 47] Operation: 86-39=47 Moving to Node #0,1 Current State: 74:[59, 86, 71], Operations: ['55+16=71'] Exploring Operation: 86-71=15, Resulting Numbers: [59, 15] Generated Node #0,1,0: 74:[59, 15] Operation: 86-71=15 Exploring Operation: 59+71=130, Resulting Numbers: [86, 130] Generated Node #0,1,1: 74:[86, 130] Operation: 59+71=130 Exploring Operation: 71-59=12, Resulting Numbers: [86, 12] Generated Node #0,1,2: 74:[86, 12] Operation: 71-59=12 Exploring Operation: 86-59=27, Resulting Numbers: [71, 27] Generated Node #0,1,3: 74:[71, 27] Operation: 86-59=27 Moving to Node #0,3 Current State: 74:[55, 86, 75], Operations: ['59+16=75'] Exploring Operation: 86-75=11, Resulting Numbers: [55, 11] Generated Node #0,3,0: 74:[55, 11] Operation: 86-75=11 Exploring Operation: 55+86=141, Resulting Numbers: [75, 141] Generated Node #0,3,1: 74:[75, 141] Operation: 55+86=141 Exploring Operation: 75-55=20, Resulting Numbers: [86, 20] Generated Node #0,3,2: 74:[86, 20] Operation: 75-55=20 Exploring Operation: 86-55=31, Resulting Numbers: [75, 31] Generated Node #0,3,3: 74:[75, 31] Operation: 86-55=31 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 74:[75, 31], Operations: ['59+16=75', '86-55=31'] Exploring Operation: 75*31=2325, Resulting Numbers: [2325] 2325,74 unequal: No Solution Exploring Operation: 75+31=106, Resulting Numbers: [106] 106,74 unequal: No Solution Exploring Operation: 75-31=44, Resulting Numbers: [44] 44,74 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 74:[55, 11], Operations: ['59+16=75', '86-75=11'] Exploring Operation: 55-11=44, Resulting Numbers: [44] 44,74 unequal: No Solution Exploring Operation: 55/11=5, Resulting Numbers: [5] 5,74 unequal: No Solution Exploring Operation: 55+11=66, Resulting Numbers: [66] 66,74 unequal: No Solution Exploring Operation: 55*11=605, Resulting Numbers: [605] 605,74 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 74:[86, 20], Operations: ['59+16=75', '75-55=20'] Exploring Operation: 86+20=106, Resulting Numbers: [106] 106,74 unequal: No Solution Exploring Operation: 86*20=1720, Resulting Numbers: [1720] 1720,74 unequal: No Solution Exploring Operation: 86-20=66, Resulting Numbers: [66] 66,74 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 74:[75, 141], Operations: ['59+16=75', '55+86=141'] Exploring Operation: 75*141=10575, Resulting Numbers: [10575] 10575,74 unequal: No Solution Exploring Operation: 141-75=66, Resulting Numbers: [66] 66,74 unequal: No Solution Exploring Operation: 75+141=216, Resulting Numbers: [216] 216,74 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: 74:[4, 70], Operations: ['59-55=4', '86-16=70'] Exploring Operation: 4+70=74, Resulting Numbers: [74] 74,74 equal: Goal Reached Moving to Node #0 Current State: 74:[59, 55, 16, 86], Operations: [] Exploring Operation: 59-55=4, Resulting Numbers: [16, 86, 4] Generated Node #0,2: 74:[16, 86, 4] Operation: 59-55=4 Moving to Node #0,2 Current State: 74:[16, 86, 4], Operations: ['59-55=4'] Exploring Operation: 86-16=70, Resulting Numbers: [4, 70] Generated Node #0,2,2: 74:[4, 70] Operation: 86-16=70 Moving to Node #0,2,2 Current State: 74:[4, 70], Operations: ['59-55=4', '86-16=70'] Exploring Operation: 4+70=74, Resulting Numbers: [74] 74,74 equal: Goal Reached
0.967014
hs_4
sum_heuristic
[ 18, 11, 20, 14 ]
16
[ "18-14=4", "20/4=5", "11+5=16" ]
Current State: 16:[18, 11, 20, 14], Operations: [] Exploring Operation: 18-14=4, Resulting Numbers: [11, 20, 4] Generated Node #2: [11, 20, 4] from Operation: 18-14=4 Current State: 16:[11, 20, 4], Operations: ['18-14=4'] Exploring Operation: 20/4=5, Resulting Numbers: [11, 5] Generated Node #3: [11, 5] from Operation: 20/4=5 Current State: 16:[11, 5], Operations: ['18-14=4', '20/4=5'] Exploring Operation: 11+5=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[18, 11, 20, 14], Operations: [] Exploring Operation: 20-18=2, Resulting Numbers: [11, 14, 2] Generated Node #0,0: 16:[11, 14, 2] Operation: 20-18=2 Exploring Operation: 20-11=9, Resulting Numbers: [18, 14, 9] Generated Node #0,1: 16:[18, 14, 9] Operation: 20-11=9 Moving to Node #0,0 Current State: 16:[11, 14, 2], Operations: ['20-18=2'] Exploring Operation: 14-11=3, Resulting Numbers: [2, 3] Generated Node #0,0,0: 16:[2, 3] Operation: 14-11=3 Exploring Operation: 11-2=9, Resulting Numbers: [14, 9] Generated Node #0,0,1: 16:[14, 9] Operation: 11-2=9 Moving to Node #0,1 Current State: 16:[18, 14, 9], Operations: ['20-11=9'] Exploring Operation: 18-14=4, Resulting Numbers: [9, 4] Generated Node #0,1,0: 16:[9, 4] Operation: 18-14=4 Exploring Operation: 18/9=2, Resulting Numbers: [14, 2] Generated Node #0,1,1: 16:[14, 2] Operation: 18/9=2 Moving to Node #0,0,0 Current State: 16:[2, 3], Operations: ['20-18=2', '14-11=3'] Exploring Operation: 3-2=1, Resulting Numbers: [1] 1,16 unequal: No Solution Exploring Operation: 2+3=5, Resulting Numbers: [5] 5,16 unequal: No Solution Moving to Node #0,1,0 Current State: 16:[9, 4], Operations: ['20-11=9', '18-14=4'] Exploring Operation: 9-4=5, Resulting Numbers: [5] 5,16 unequal: No Solution Exploring Operation: 9+4=13, Resulting Numbers: [13] 13,16 unequal: No Solution Moving to Node #0,1,1 Current State: 16:[14, 2], Operations: ['20-11=9', '18/9=2'] Exploring Operation: 14+2=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Moving to Node #0 Current State: 16:[18, 11, 20, 14], Operations: [] Exploring Operation: 20-11=9, Resulting Numbers: [18, 14, 9] Generated Node #0,1: 16:[18, 14, 9] Operation: 20-11=9 Moving to Node #0,1 Current State: 16:[18, 14, 9], Operations: ['20-11=9'] Exploring Operation: 18/9=2, Resulting Numbers: [14, 2] Generated Node #0,1,1: 16:[14, 2] Operation: 18/9=2 Moving to Node #0,1,1 Current State: 16:[14, 2], Operations: ['20-11=9', '18/9=2'] Exploring Operation: 14+2=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
0.986979
hs_2
mult_heuristic
[ 35, 43, 26, 12 ]
30
[ "43-35=8", "26+12=38", "38-8=30" ]
Current State: 30:[35, 43, 26, 12], Operations: [] Exploring Operation: 43-35=8, Resulting Numbers: [26, 12, 8] Generated Node #2: [26, 12, 8] from Operation: 43-35=8 Current State: 30:[26, 12, 8], Operations: ['43-35=8'] Exploring Operation: 26+12=38, Resulting Numbers: [8, 38] Generated Node #3: [8, 38] from Operation: 26+12=38 Current State: 30:[8, 38], Operations: ['43-35=8', '26+12=38'] Exploring Operation: 38-8=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
4
Current State: 30:[35, 43, 26, 12], Operations: [] Exploring Operation: 43-12=31, Resulting Numbers: [35, 26, 31] Generated Node #0,0: 30:[35, 26, 31] Operation: 43-12=31 Exploring Operation: 43-35=8, Resulting Numbers: [26, 12, 8] Generated Node #0,1: 30:[26, 12, 8] Operation: 43-35=8 Exploring Operation: 43-26=17, Resulting Numbers: [35, 12, 17] Generated Node #0,2: 30:[35, 12, 17] Operation: 43-26=17 Moving to Node #0,1 Current State: 30:[26, 12, 8], Operations: ['43-35=8'] Exploring Operation: 12-8=4, Resulting Numbers: [26, 4] Generated Node #0,1,0: 30:[26, 4] Operation: 12-8=4 Exploring Operation: 26-8=18, Resulting Numbers: [12, 18] Generated Node #0,1,1: 30:[12, 18] Operation: 26-8=18 Exploring Operation: 26-12=14, Resulting Numbers: [8, 14] Generated Node #0,1,2: 30:[8, 14] Operation: 26-12=14 Moving to Node #0,2 Current State: 30:[35, 12, 17], Operations: ['43-26=17'] Exploring Operation: 35-17=18, Resulting Numbers: [12, 18] Generated Node #0,2,0: 30:[12, 18] Operation: 35-17=18 Exploring Operation: 17-12=5, Resulting Numbers: [35, 5] Generated Node #0,2,1: 30:[35, 5] Operation: 17-12=5 Exploring Operation: 12+17=29, Resulting Numbers: [35, 29] Generated Node #0,2,2: 30:[35, 29] Operation: 12+17=29 Moving to Node #0,0 Current State: 30:[35, 26, 31], Operations: ['43-12=31'] Exploring Operation: 31-26=5, Resulting Numbers: [35, 5] Generated Node #0,0,0: 30:[35, 5] Operation: 31-26=5 Exploring Operation: 35-31=4, Resulting Numbers: [26, 4] Generated Node #0,0,1: 30:[26, 4] Operation: 35-31=4 Exploring Operation: 35-26=9, Resulting Numbers: [31, 9] Generated Node #0,0,2: 30:[31, 9] Operation: 35-26=9 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 30:[31, 9], Operations: ['43-12=31', '35-26=9'] Exploring Operation: 31-9=22, Resulting Numbers: [22] 22,30 unequal: No Solution Exploring Operation: 31+9=40, Resulting Numbers: [40] 40,30 unequal: No Solution Exploring Operation: 31*9=279, Resulting Numbers: [279] 279,30 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 30:[35, 5], Operations: ['43-12=31', '31-26=5'] Exploring Operation: 35/5=7, Resulting Numbers: [7] 7,30 unequal: No Solution Exploring Operation: 35+5=40, Resulting Numbers: [40] 40,30 unequal: No Solution Exploring Operation: 35-5=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Moving to Node #0 Current State: 30:[35, 43, 26, 12], Operations: [] Exploring Operation: 43-12=31, Resulting Numbers: [35, 26, 31] Generated Node #0,0: 30:[35, 26, 31] Operation: 43-12=31 Moving to Node #0,0 Current State: 30:[35, 26, 31], Operations: ['43-12=31'] Exploring Operation: 31-26=5, Resulting Numbers: [35, 5] Generated Node #0,0,0: 30:[35, 5] Operation: 31-26=5 Moving to Node #0,0,0 Current State: 30:[35, 5], Operations: ['43-12=31', '31-26=5'] Exploring Operation: 35-5=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Exit Sub Search at level 1
0.980903
hs_3
mult_heuristic
[ 81, 4, 32, 60 ]
49
[ "81-4=77", "60-32=28", "77-28=49" ]
Current State: 49:[81, 4, 32, 60], Operations: [] Exploring Operation: 81-4=77, Resulting Numbers: [32, 60, 77] Generated Node #2: [32, 60, 77] from Operation: 81-4=77 Current State: 49:[32, 60, 77], Operations: ['81-4=77'] Exploring Operation: 60-32=28, Resulting Numbers: [77, 28] Generated Node #3: [77, 28] from Operation: 60-32=28 Current State: 49:[77, 28], Operations: ['81-4=77', '60-32=28'] Exploring Operation: 77-28=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
4
Current State: 49:[81, 4, 32, 60], Operations: [] Exploring Operation: 81-32=49, Resulting Numbers: [4, 60, 49] Generated Node #0,0: 49:[4, 60, 49] Operation: 81-32=49 Exploring Operation: 81-60=21, Resulting Numbers: [4, 32, 21] Generated Node #0,1: 49:[4, 32, 21] Operation: 81-60=21 Exploring Operation: 81-4=77, Resulting Numbers: [32, 60, 77] Generated Node #0,2: 49:[32, 60, 77] Operation: 81-4=77 Exploring Operation: 32/4=8, Resulting Numbers: [81, 60, 8] Generated Node #0,3: 49:[81, 60, 8] Operation: 32/4=8 Start Sub Search at level 1: Moving to Node #0,0 Current State: 49:[4, 60, 49], Operations: ['81-32=49'] Exploring Operation: 4+60=64, Resulting Numbers: [49, 64] Generated Node #0,0,0: 49:[49, 64] Operation: 4+60=64 Exploring Operation: 60/4=15, Resulting Numbers: [49, 15] Generated Node #0,0,1: 49:[49, 15] Operation: 60/4=15 Exploring Operation: 60-4=56, Resulting Numbers: [49, 56] Generated Node #0,0,2: 49:[49, 56] Operation: 60-4=56 Exploring Operation: 60-49=11, Resulting Numbers: [4, 11] Generated Node #0,0,3: 49:[4, 11] Operation: 60-49=11 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 49:[49, 56], Operations: ['81-32=49', '60-4=56'] Exploring Operation: 56-49=7, Resulting Numbers: [7] 7,49 unequal: No Solution Exploring Operation: 49+56=105, Resulting Numbers: [105] 105,49 unequal: No Solution Exploring Operation: 49*56=2744, Resulting Numbers: [2744] 2744,49 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 #0,0,3 Current State: 49:[4, 11], Operations: ['81-32=49', '60-49=11'] Exploring Operation: 4+11=15, Resulting Numbers: [15] 15,49 unequal: No Solution Exploring Operation: 4*11=44, Resulting Numbers: [44] 44,49 unequal: No Solution Exploring Operation: 11-4=7, Resulting Numbers: [7] 7,49 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 #0,0,1 Current State: 49:[49, 15], Operations: ['81-32=49', '60/4=15'] Exploring Operation: 49+15=64, Resulting Numbers: [64] 64,49 unequal: No Solution Exploring Operation: 49*15=735, Resulting Numbers: [735] 735,49 unequal: No Solution Exploring Operation: 49-15=34, Resulting Numbers: [34] 34,49 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 #0,0,0 Current State: 49:[49, 64], Operations: ['81-32=49', '4+60=64'] Exploring Operation: 49*64=3136, Resulting Numbers: [3136] 3136,49 unequal: No Solution Exploring Operation: 49+64=113, Resulting Numbers: [113] 113,49 unequal: No Solution Exploring Operation: 64-49=15, Resulting Numbers: [15] 15,49 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: 49:[4, 32, 21], Operations: ['81-60=21'] Exploring Operation: 4+32=36, Resulting Numbers: [21, 36] Generated Node #0,1,0: 49:[21, 36] Operation: 4+32=36 Exploring Operation: 32/4=8, Resulting Numbers: [21, 8] Generated Node #0,1,1: 49:[21, 8] Operation: 32/4=8 Exploring Operation: 32-21=11, Resulting Numbers: [4, 11] Generated Node #0,1,2: 49:[4, 11] Operation: 32-21=11 Exploring Operation: 32+21=53, Resulting Numbers: [4, 53] Generated Node #0,1,3: 49:[4, 53] Operation: 32+21=53 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 49:[4, 11], Operations: ['81-60=21', '32-21=11'] Exploring Operation: 4*11=44, Resulting Numbers: [44] 44,49 unequal: No Solution Exploring Operation: 11-4=7, Resulting Numbers: [7] 7,49 unequal: No Solution Exploring Operation: 4+11=15, Resulting Numbers: [15] 15,49 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 #0,1,3 Current State: 49:[4, 53], Operations: ['81-60=21', '32+21=53'] Exploring Operation: 4*53=212, Resulting Numbers: [212] 212,49 unequal: No Solution Exploring Operation: 4+53=57, Resulting Numbers: [57] 57,49 unequal: No Solution Exploring Operation: 53-4=49, Resulting Numbers: [49] 49,49 equal: Goal Reached Moving to Node #0 Current State: 49:[81, 4, 32, 60], Operations: [] Exploring Operation: 81-60=21, Resulting Numbers: [4, 32, 21] Generated Node #0,1: 49:[4, 32, 21] Operation: 81-60=21 Moving to Node #0,1 Current State: 49:[4, 32, 21], Operations: ['81-60=21'] Exploring Operation: 32+21=53, Resulting Numbers: [4, 53] Generated Node #0,1,3: 49:[4, 53] Operation: 32+21=53 Moving to Node #0,1,3 Current State: 49:[4, 53], Operations: ['81-60=21', '32+21=53'] Exploring Operation: 53-4=49, Resulting Numbers: [49] 49,49 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.970486
hs_4
sum_heuristic
[ 19, 59, 57, 65 ]
27
[ "59-57=2", "19*2=38", "65-38=27" ]
Current State: 27:[19, 59, 57, 65], Operations: [] Exploring Operation: 59-57=2, Resulting Numbers: [19, 65, 2] Generated Node #2: [19, 65, 2] from Operation: 59-57=2 Current State: 27:[19, 65, 2], Operations: ['59-57=2'] Exploring Operation: 19*2=38, Resulting Numbers: [65, 38] Generated Node #3: [65, 38] from Operation: 19*2=38 Current State: 27:[65, 38], Operations: ['59-57=2', '19*2=38'] Exploring Operation: 65-38=27, Resulting Numbers: [27] 27,27 equal: Goal Reached
4
Current State: 27:[19, 59, 57, 65], Operations: [] Exploring Operation: 65-59=6, Resulting Numbers: [19, 57, 6] Generated Node #0,0: 27:[19, 57, 6] Operation: 65-59=6 Exploring Operation: 57/19=3, Resulting Numbers: [59, 65, 3] Generated Node #0,1: 27:[59, 65, 3] Operation: 57/19=3 Exploring Operation: 59-19=40, Resulting Numbers: [57, 65, 40] Generated Node #0,2: 27:[57, 65, 40] Operation: 59-19=40 Exploring Operation: 59-57=2, Resulting Numbers: [19, 65, 2] Generated Node #0,3: 27:[19, 65, 2] Operation: 59-57=2 Exploring Operation: 65-57=8, Resulting Numbers: [19, 59, 8] Generated Node #0,4: 27:[19, 59, 8] Operation: 65-57=8 Start Sub Search at level 1: Moving to Node #0,0 Current State: 27:[19, 57, 6], Operations: ['65-59=6'] Exploring Operation: 57/19=3, Resulting Numbers: [6, 3] Generated Node #0,0,0: 27:[6, 3] Operation: 57/19=3 Exploring Operation: 19-6=13, Resulting Numbers: [57, 13] Generated Node #0,0,1: 27:[57, 13] Operation: 19-6=13 Exploring Operation: 19+6=25, Resulting Numbers: [57, 25] Generated Node #0,0,2: 27:[57, 25] Operation: 19+6=25 Exploring Operation: 57-6=51, Resulting Numbers: [19, 51] Generated Node #0,0,3: 27:[19, 51] Operation: 57-6=51 Exploring Operation: 57-19=38, Resulting Numbers: [6, 38] Generated Node #0,0,4: 27:[6, 38] Operation: 57-19=38 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 27:[6, 3], Operations: ['65-59=6', '57/19=3'] Exploring Operation: 6/3=2, Resulting Numbers: [2] 2,27 unequal: No Solution Exploring Operation: 6-3=3, Resulting Numbers: [3] 3,27 unequal: No Solution Exploring Operation: 6+3=9, Resulting Numbers: [9] 9,27 unequal: No Solution Exploring Operation: 6*3=18, Resulting Numbers: [18] 18,27 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 27:[6, 38], Operations: ['65-59=6', '57-19=38'] Exploring Operation: 6*38=228, Resulting Numbers: [228] 228,27 unequal: No Solution Exploring Operation: 6+38=44, Resulting Numbers: [44] 44,27 unequal: No Solution Exploring Operation: 38-6=32, Resulting Numbers: [32] 32,27 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 27:[57, 25], Operations: ['65-59=6', '19+6=25'] Exploring Operation: 57*25=1425, Resulting Numbers: [1425] 1425,27 unequal: No Solution Exploring Operation: 57-25=32, Resulting Numbers: [32] 32,27 unequal: No Solution Exploring Operation: 57+25=82, Resulting Numbers: [82] 82,27 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 27:[19, 51], Operations: ['65-59=6', '57-6=51'] Exploring Operation: 19+51=70, Resulting Numbers: [70] 70,27 unequal: No Solution Exploring Operation: 19*51=969, Resulting Numbers: [969] 969,27 unequal: No Solution Exploring Operation: 51-19=32, Resulting Numbers: [32] 32,27 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 27:[57, 13], Operations: ['65-59=6', '19-6=13'] Exploring Operation: 57+13=70, Resulting Numbers: [70] 70,27 unequal: No Solution Exploring Operation: 57*13=741, Resulting Numbers: [741] 741,27 unequal: No Solution Exploring Operation: 57-13=44, Resulting Numbers: [44] 44,27 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: 27:[19, 59, 8], Operations: ['65-57=8'] Exploring Operation: 19+8=27, Resulting Numbers: [59, 27] Generated Node #0,4,0: 27:[59, 27] Operation: 19+8=27 Exploring Operation: 59-19=40, Resulting Numbers: [8, 40] Generated Node #0,4,1: 27:[8, 40] Operation: 59-19=40 Exploring Operation: 59+8=67, Resulting Numbers: [19, 67] Generated Node #0,4,2: 27:[19, 67] Operation: 59+8=67 Exploring Operation: 19-8=11, Resulting Numbers: [59, 11] Generated Node #0,4,3: 27:[59, 11] Operation: 19-8=11 Exploring Operation: 59-8=51, Resulting Numbers: [19, 51] Generated Node #0,4,4: 27:[19, 51] Operation: 59-8=51 Moving to Node #0,4,1 Current State: 27:[8, 40], Operations: ['65-57=8', '59-19=40'] Exploring Operation: 8+40=48, Resulting Numbers: [48] 48,27 unequal: No Solution Exploring Operation: 40/8=5, Resulting Numbers: [5] 5,27 unequal: No Solution Exploring Operation: 40-8=32, Resulting Numbers: [32] 32,27 unequal: No Solution Exploring Operation: 8*40=320, Resulting Numbers: [320] 320,27 unequal: No Solution Moving to Node #0,4,4 Current State: 27:[19, 51], Operations: ['65-57=8', '59-8=51'] Exploring Operation: 19+51=70, Resulting Numbers: [70] 70,27 unequal: No Solution Exploring Operation: 51-19=32, Resulting Numbers: [32] 32,27 unequal: No Solution Exploring Operation: 19*51=969, Resulting Numbers: [969] 969,27 unequal: No Solution Moving to Node #0,4,0 Current State: 27:[59, 27], Operations: ['65-57=8', '19+8=27'] Exploring Operation: 59-27=32, Resulting Numbers: [32] 32,27 unequal: No Solution Exploring Operation: 59+27=86, Resulting Numbers: [86] 86,27 unequal: No Solution Exploring Operation: 59*27=1593, Resulting Numbers: [1593] 1593,27 unequal: No Solution Moving to Node #0,4,3 Current State: 27:[59, 11], Operations: ['65-57=8', '19-8=11'] Exploring Operation: 59*11=649, Resulting Numbers: [649] 649,27 unequal: No Solution Exploring Operation: 59+11=70, Resulting Numbers: [70] 70,27 unequal: No Solution Exploring Operation: 59-11=48, Resulting Numbers: [48] 48,27 unequal: No Solution Moving to Node #0,4,2 Current State: 27:[19, 67], Operations: ['65-57=8', '59+8=67'] Exploring Operation: 19+67=86, Resulting Numbers: [86] 86,27 unequal: No Solution Exploring Operation: 67-19=48, Resulting Numbers: [48] 48,27 unequal: No Solution Exploring Operation: 19*67=1273, Resulting Numbers: [1273] 1273,27 unequal: No Solution No 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: 27:[19, 65, 2], Operations: ['59-57=2'] Exploring Operation: 65+2=67, Resulting Numbers: [19, 67] Generated Node #0,3,0: 27:[19, 67] Operation: 65+2=67 Exploring Operation: 65-2=63, Resulting Numbers: [19, 63] Generated Node #0,3,1: 27:[19, 63] Operation: 65-2=63 Exploring Operation: 65-19=46, Resulting Numbers: [2, 46] Generated Node #0,3,2: 27:[2, 46] Operation: 65-19=46 Exploring Operation: 19-2=17, Resulting Numbers: [65, 17] Generated Node #0,3,3: 27:[65, 17] Operation: 19-2=17 Exploring Operation: 19+2=21, Resulting Numbers: [65, 21] Generated Node #0,3,4: 27:[65, 21] Operation: 19+2=21 Moving to Node #0,3,2 Current State: 27:[2, 46], Operations: ['59-57=2', '65-19=46'] Exploring Operation: 2+46=48, Resulting Numbers: [48] 48,27 unequal: No Solution Exploring Operation: 46/2=23, Resulting Numbers: [23] 23,27 unequal: No Solution Exploring Operation: 46-2=44, Resulting Numbers: [44] 44,27 unequal: No Solution Exploring Operation: 2*46=92, Resulting Numbers: [92] 92,27 unequal: No Solution Moving to Node #0,3,4 Current State: 27:[65, 21], Operations: ['59-57=2', '19+2=21'] Exploring Operation: 65-21=44, Resulting Numbers: [44] 44,27 unequal: No Solution Exploring Operation: 65+21=86, Resulting Numbers: [86] 86,27 unequal: No Solution Exploring Operation: 65*21=1365, Resulting Numbers: [1365] 1365,27 unequal: No Solution Moving to Node #0,3,1 Current State: 27:[19, 63], Operations: ['59-57=2', '65-2=63'] Exploring Operation: 63-19=44, Resulting Numbers: [44] 44,27 unequal: No Solution Exploring Operation: 19+63=82, Resulting Numbers: [82] 82,27 unequal: No Solution Exploring Operation: 19*63=1197, Resulting Numbers: [1197] 1197,27 unequal: No Solution Moving to Node #0,3,3 Current State: 27:[65, 17], Operations: ['59-57=2', '19-2=17'] Exploring Operation: 65-17=48, Resulting Numbers: [48] 48,27 unequal: No Solution Exploring Operation: 65*17=1105, Resulting Numbers: [1105] 1105,27 unequal: No Solution Exploring Operation: 65+17=82, Resulting Numbers: [82] 82,27 unequal: No Solution Moving to Node #0,3,0 Current State: 27:[19, 67], Operations: ['59-57=2', '65+2=67'] Exploring Operation: 67-19=48, Resulting Numbers: [48] 48,27 unequal: No Solution Exploring Operation: 19+67=86, Resulting Numbers: [86] 86,27 unequal: No Solution Exploring Operation: 19*67=1273, Resulting Numbers: [1273] 1273,27 unequal: No Solution No 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: 27:[59, 65, 3], Operations: ['57/19=3'] Exploring Operation: 65-59=6, Resulting Numbers: [3, 6] Generated Node #0,1,0: 27:[3, 6] Operation: 65-59=6 Exploring Operation: 65+3=68, Resulting Numbers: [59, 68] Generated Node #0,1,1: 27:[59, 68] Operation: 65+3=68 Exploring Operation: 59+3=62, Resulting Numbers: [65, 62] Generated Node #0,1,2: 27:[65, 62] Operation: 59+3=62 Exploring Operation: 65-3=62, Resulting Numbers: [59, 62] Generated Node #0,1,3: 27:[59, 62] Operation: 65-3=62 Exploring Operation: 59-3=56, Resulting Numbers: [65, 56] Generated Node #0,1,4: 27:[65, 56] Operation: 59-3=56 Moving to Node #0,1,0 Current State: 27:[3, 6], Operations: ['57/19=3', '65-59=6'] Exploring Operation: 6/3=2, Resulting Numbers: [2] 2,27 unequal: No Solution Exploring Operation: 3+6=9, Resulting Numbers: [9] 9,27 unequal: No Solution Exploring Operation: 3*6=18, Resulting Numbers: [18] 18,27 unequal: No Solution Exploring Operation: 6-3=3, Resulting Numbers: [3] 3,27 unequal: No Solution Moving to Node #0,1,4 Current State: 27:[65, 56], Operations: ['57/19=3', '59-3=56'] Exploring Operation: 65-56=9, Resulting Numbers: [9] 9,27 unequal: No Solution Exploring Operation: 65+56=121, Resulting Numbers: [121] 121,27 unequal: No Solution Exploring Operation: 65*56=3640, Resulting Numbers: [3640] 3640,27 unequal: No Solution Moving to Node #0,1,3 Current State: 27:[59, 62], Operations: ['57/19=3', '65-3=62'] Exploring Operation: 59*62=3658, Resulting Numbers: [3658] 3658,27 unequal: No Solution Exploring Operation: 62-59=3, Resulting Numbers: [3] 3,27 unequal: No Solution Exploring Operation: 59+62=121, Resulting Numbers: [121] 121,27 unequal: No Solution Moving to Node #0,1,1 Current State: 27:[59, 68], Operations: ['57/19=3', '65+3=68'] Exploring Operation: 59*68=4012, Resulting Numbers: [4012] 4012,27 unequal: No Solution Exploring Operation: 68-59=9, Resulting Numbers: [9] 9,27 unequal: No Solution Exploring Operation: 59+68=127, Resulting Numbers: [127] 127,27 unequal: No Solution Moving to Node #0,1,2 Current State: 27:[65, 62], Operations: ['57/19=3', '59+3=62'] Exploring Operation: 65*62=4030, Resulting Numbers: [4030] 4030,27 unequal: No Solution Exploring Operation: 65+62=127, Resulting Numbers: [127] 127,27 unequal: No Solution Exploring Operation: 65-62=3, Resulting Numbers: [3] 3,27 unequal: No Solution No 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: 27:[57, 65, 40], Operations: ['59-19=40'] Exploring Operation: 57+40=97, Resulting Numbers: [65, 97] Generated Node #0,2,0: 27:[65, 97] Operation: 57+40=97 Exploring Operation: 57-40=17, Resulting Numbers: [65, 17] Generated Node #0,2,1: 27:[65, 17] Operation: 57-40=17 Exploring Operation: 65-57=8, Resulting Numbers: [40, 8] Generated Node #0,2,2: 27:[40, 8] Operation: 65-57=8 Exploring Operation: 57+65=122, Resulting Numbers: [40, 122] Generated Node #0,2,3: 27:[40, 122] Operation: 57+65=122 Exploring Operation: 65-40=25, Resulting Numbers: [57, 25] Generated Node #0,2,4: 27:[57, 25] Operation: 65-40=25 Moving to Node #0,2,2 Current State: 27:[40, 8], Operations: ['59-19=40', '65-57=8'] Exploring Operation: 40/8=5, Resulting Numbers: [5] 5,27 unequal: No Solution Exploring Operation: 40-8=32, Resulting Numbers: [32] 32,27 unequal: No Solution Exploring Operation: 40+8=48, Resulting Numbers: [48] 48,27 unequal: No Solution Exploring Operation: 40*8=320, Resulting Numbers: [320] 320,27 unequal: No Solution Moving to Node #0,2,4 Current State: 27:[57, 25], Operations: ['59-19=40', '65-40=25'] Exploring Operation: 57-25=32, Resulting Numbers: [32] 32,27 unequal: No Solution Exploring Operation: 57+25=82, Resulting Numbers: [82] 82,27 unequal: No Solution Exploring Operation: 57*25=1425, Resulting Numbers: [1425] 1425,27 unequal: No Solution Moving to Node #0,2,1 Current State: 27:[65, 17], Operations: ['59-19=40', '57-40=17'] Exploring Operation: 65+17=82, Resulting Numbers: [82] 82,27 unequal: No Solution Exploring Operation: 65-17=48, Resulting Numbers: [48] 48,27 unequal: No Solution Exploring Operation: 65*17=1105, Resulting Numbers: [1105] 1105,27 unequal: No Solution Moving to Node #0,2,0 Current State: 27:[65, 97], Operations: ['59-19=40', '57+40=97'] Exploring Operation: 65+97=162, Resulting Numbers: [162] 162,27 unequal: No Solution Exploring Operation: 65*97=6305, Resulting Numbers: [6305] 6305,27 unequal: No Solution Exploring Operation: 97-65=32, Resulting Numbers: [32] 32,27 unequal: No Solution Moving to Node #0,2,3 Current State: 27:[40, 122], Operations: ['59-19=40', '57+65=122'] Exploring Operation: 40+122=162, Resulting Numbers: [162] 162,27 unequal: No Solution Exploring Operation: 40*122=4880, Resulting Numbers: [4880] 4880,27 unequal: No Solution Exploring Operation: 122-40=82, Resulting Numbers: [82] 82,27 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
[ 65, 2, 64, 56 ]
53
[ "65+2=67", "64+56=120", "120-67=53" ]
Current State: 53:[65, 2, 64, 56], Operations: [] Exploring Operation: 65+2=67, Resulting Numbers: [64, 56, 67] Generated Node #2: [64, 56, 67] from Operation: 65+2=67 Current State: 53:[64, 56, 67], Operations: ['65+2=67'] Exploring Operation: 64+56=120, Resulting Numbers: [67, 120] Generated Node #3: [67, 120] from Operation: 64+56=120 Current State: 53:[67, 120], Operations: ['65+2=67', '64+56=120'] Exploring Operation: 120-67=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[65, 2, 64, 56], Operations: [] Exploring Operation: 65-2=63, Resulting Numbers: [64, 56, 63] Generated Node #0,0: 53:[64, 56, 63] Operation: 65-2=63 Start Sub Search at level 1: Moving to Node #0,0 Current State: 53:[64, 56, 63], Operations: ['65-2=63'] Exploring Operation: 64-56=8, Resulting Numbers: [63, 8] Generated Node #0,0,0: 53:[63, 8] Operation: 64-56=8 Moving to Node #0,0,0 Current State: 53:[63, 8], Operations: ['65-2=63', '64-56=8'] Exploring Operation: 63-8=55, Resulting Numbers: [55] 55,53 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
[ 16, 13, 56, 76 ]
49
[ "16+13=29", "76-56=20", "29+20=49" ]
Current State: 49:[16, 13, 56, 76], Operations: [] Exploring Operation: 16+13=29, Resulting Numbers: [56, 76, 29] Generated Node #2: [56, 76, 29] from Operation: 16+13=29 Current State: 49:[56, 76, 29], Operations: ['16+13=29'] Exploring Operation: 76-56=20, Resulting Numbers: [29, 20] Generated Node #3: [29, 20] from Operation: 76-56=20 Current State: 49:[29, 20], Operations: ['16+13=29', '76-56=20'] Exploring Operation: 29+20=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
4
Current State: 49:[16, 13, 56, 76], Operations: [] Exploring Operation: 76-56=20, Resulting Numbers: [16, 13, 20] Generated Node #0,0: 49:[16, 13, 20] Operation: 76-56=20 Exploring Operation: 76-16=60, Resulting Numbers: [13, 56, 60] Generated Node #0,1: 49:[13, 56, 60] Operation: 76-16=60 Moving to Node #0,1 Current State: 49:[13, 56, 60], Operations: ['76-16=60'] Exploring Operation: 60-13=47, Resulting Numbers: [56, 47] Generated Node #0,1,0: 49:[56, 47] Operation: 60-13=47 Exploring Operation: 60-56=4, Resulting Numbers: [13, 4] Generated Node #0,1,1: 49:[13, 4] Operation: 60-56=4 Moving to Node #0,0 Current State: 49:[16, 13, 20], Operations: ['76-56=20'] Exploring Operation: 20-16=4, Resulting Numbers: [13, 4] Generated Node #0,0,0: 49:[13, 4] Operation: 20-16=4 Exploring Operation: 20-13=7, Resulting Numbers: [16, 7] Generated Node #0,0,1: 49:[16, 7] Operation: 20-13=7 Moving to Node #0,1,0 Current State: 49:[56, 47], Operations: ['76-16=60', '60-13=47'] Exploring Operation: 56-47=9, Resulting Numbers: [9] 9,49 unequal: No Solution Exploring Operation: 56+47=103, Resulting Numbers: [103] 103,49 unequal: No Solution Moving to Node #0,0,0 Current State: 49:[13, 4], Operations: ['76-56=20', '20-16=4'] Exploring Operation: 13-4=9, Resulting Numbers: [9] 9,49 unequal: No Solution Exploring Operation: 13*4=52, Resulting Numbers: [52] 52,49 unequal: No Solution Moving to Node #0,1,1 Current State: 49:[13, 4], Operations: ['76-16=60', '60-56=4'] Exploring Operation: 13*4=52, Resulting Numbers: [52] 52,49 unequal: No Solution Exploring Operation: 13-4=9, Resulting Numbers: [9] 9,49 unequal: No Solution Moving to Node #0,0,1 Current State: 49:[16, 7], Operations: ['76-56=20', '20-13=7'] Exploring Operation: 16+7=23, Resulting Numbers: [23] 23,49 unequal: No Solution Exploring Operation: 16-7=9, Resulting Numbers: [9] 9,49 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 46, 2, 76, 79 ]
86
[ "46+76=122", "122-79=43", "2*43=86" ]
Current State: 86:[46, 2, 76, 79], Operations: [] Exploring Operation: 46+76=122, Resulting Numbers: [2, 79, 122] Generated Node #2: [2, 79, 122] from Operation: 46+76=122 Current State: 86:[2, 79, 122], Operations: ['46+76=122'] Exploring Operation: 122-79=43, Resulting Numbers: [2, 43] Generated Node #3: [2, 43] from Operation: 122-79=43 Current State: 86:[2, 43], Operations: ['46+76=122', '122-79=43'] Exploring Operation: 2*43=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
4
Current State: 86:[46, 2, 76, 79], Operations: [] Exploring Operation: 46-2=44, Resulting Numbers: [76, 79, 44] Generated Node #0,0: 86:[76, 79, 44] Operation: 46-2=44 Exploring Operation: 79-76=3, Resulting Numbers: [46, 2, 3] Generated Node #0,1: 86:[46, 2, 3] Operation: 79-76=3 Exploring Operation: 76/2=38, Resulting Numbers: [46, 79, 38] Generated Node #0,2: 86:[46, 79, 38] Operation: 76/2=38 Moving to Node #0,1 Current State: 86:[46, 2, 3], Operations: ['79-76=3'] Exploring Operation: 46-3=43, Resulting Numbers: [2, 43] Generated Node #0,1,0: 86:[2, 43] Operation: 46-3=43 Exploring Operation: 3-2=1, Resulting Numbers: [46, 1] Generated Node #0,1,1: 86:[46, 1] Operation: 3-2=1 Exploring Operation: 46-2=44, Resulting Numbers: [3, 44] Generated Node #0,1,2: 86:[3, 44] Operation: 46-2=44 Moving to Node #0,2 Current State: 86:[46, 79, 38], Operations: ['76/2=38'] Exploring Operation: 79-38=41, Resulting Numbers: [46, 41] Generated Node #0,2,0: 86:[46, 41] Operation: 79-38=41 Exploring Operation: 46+38=84, Resulting Numbers: [79, 84] Generated Node #0,2,1: 86:[79, 84] Operation: 46+38=84 Exploring Operation: 46-38=8, Resulting Numbers: [79, 8] Generated Node #0,2,2: 86:[79, 8] Operation: 46-38=8 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 86:[46, 41], Operations: ['76/2=38', '79-38=41'] Exploring Operation: 46+41=87, Resulting Numbers: [87] 87,86 unequal: No Solution Exploring Operation: 46*41=1886, Resulting Numbers: [1886] 1886,86 unequal: No Solution Exploring Operation: 46-41=5, Resulting Numbers: [5] 5,86 unequal: No Solution No 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: 86:[79, 84], Operations: ['76/2=38', '46+38=84'] Exploring Operation: 79+84=163, Resulting Numbers: [163] 163,86 unequal: No Solution Exploring Operation: 84-79=5, Resulting Numbers: [5] 5,86 unequal: No Solution Exploring Operation: 79*84=6636, Resulting Numbers: [6636] 6636,86 unequal: No Solution No 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: 86:[79, 8], Operations: ['76/2=38', '46-38=8'] Exploring Operation: 79+8=87, Resulting Numbers: [87] 87,86 unequal: No Solution Exploring Operation: 79*8=632, Resulting Numbers: [632] 632,86 unequal: No Solution Exploring Operation: 79-8=71, Resulting Numbers: [71] 71,86 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: 86:[76, 79, 44], Operations: ['46-2=44'] Exploring Operation: 76-44=32, Resulting Numbers: [79, 32] Generated Node #0,0,0: 86:[79, 32] Operation: 76-44=32 Exploring Operation: 79-76=3, Resulting Numbers: [44, 3] Generated Node #0,0,1: 86:[44, 3] Operation: 79-76=3 Exploring Operation: 79-44=35, Resulting Numbers: [76, 35] Generated Node #0,0,2: 86:[76, 35] Operation: 79-44=35 Moving to Node #0,1,0 Current State: 86:[2, 43], Operations: ['79-76=3', '46-3=43'] Exploring Operation: 43-2=41, Resulting Numbers: [41] 41,86 unequal: No Solution Exploring Operation: 2+43=45, Resulting Numbers: [45] 45,86 unequal: No Solution Exploring Operation: 2*43=86, Resulting Numbers: [86] 86,86 equal: Goal Reached Moving to Node #0 Current State: 86:[46, 2, 76, 79], Operations: [] Exploring Operation: 79-76=3, Resulting Numbers: [46, 2, 3] Generated Node #0,1: 86:[46, 2, 3] Operation: 79-76=3 Moving to Node #0,1 Current State: 86:[46, 2, 3], Operations: ['79-76=3'] Exploring Operation: 46-3=43, Resulting Numbers: [2, 43] Generated Node #0,1,0: 86:[2, 43] Operation: 46-3=43 Moving to Node #0,1,0 Current State: 86:[2, 43], Operations: ['79-76=3', '46-3=43'] Exploring Operation: 2*43=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
0.975694
hs_3
mult_heuristic
[ 15, 45, 71, 3 ]
91
[ "15+45=60", "60/3=20", "71+20=91" ]
Current State: 91:[15, 45, 71, 3], Operations: [] Exploring Operation: 15+45=60, Resulting Numbers: [71, 3, 60] Generated Node #2: [71, 3, 60] from Operation: 15+45=60 Current State: 91:[71, 3, 60], Operations: ['15+45=60'] Exploring Operation: 60/3=20, Resulting Numbers: [71, 20] Generated Node #3: [71, 20] from Operation: 60/3=20 Current State: 91:[71, 20], Operations: ['15+45=60', '60/3=20'] Exploring Operation: 71+20=91, Resulting Numbers: [91] 91,91 equal: Goal Reached
4
Current State: 91:[15, 45, 71, 3], Operations: [] Exploring Operation: 45/3=15, Resulting Numbers: [15, 71, 15] Generated Node #0,0: 91:[15, 71, 15] Operation: 45/3=15 Exploring Operation: 45/15=3, Resulting Numbers: [71, 3, 3] Generated Node #0,1: 91:[71, 3, 3] Operation: 45/15=3 Exploring Operation: 71-45=26, Resulting Numbers: [15, 3, 26] Generated Node #0,2: 91:[15, 3, 26] Operation: 71-45=26 Moving to Node #0,2 Current State: 91:[15, 3, 26], Operations: ['71-45=26'] Exploring Operation: 15-3=12, Resulting Numbers: [26, 12] Generated Node #0,2,0: 91:[26, 12] Operation: 15-3=12 Exploring Operation: 26-3=23, Resulting Numbers: [15, 23] Generated Node #0,2,1: 91:[15, 23] Operation: 26-3=23 Exploring Operation: 26-15=11, Resulting Numbers: [3, 11] Generated Node #0,2,2: 91:[3, 11] Operation: 26-15=11 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 91:[3, 11], Operations: ['71-45=26', '26-15=11'] Exploring Operation: 11-3=8, Resulting Numbers: [8] 8,91 unequal: No Solution Exploring Operation: 3*11=33, Resulting Numbers: [33] 33,91 unequal: No Solution Exploring Operation: 3+11=14, Resulting Numbers: [14] 14,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 91:[15, 23], Operations: ['71-45=26', '26-3=23'] Exploring Operation: 23-15=8, Resulting Numbers: [8] 8,91 unequal: No Solution Exploring Operation: 15+23=38, Resulting Numbers: [38] 38,91 unequal: No Solution Exploring Operation: 15*23=345, Resulting Numbers: [345] 345,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 91:[26, 12], Operations: ['71-45=26', '15-3=12'] Exploring Operation: 26-12=14, Resulting Numbers: [14] 14,91 unequal: No Solution Exploring Operation: 26+12=38, Resulting Numbers: [38] 38,91 unequal: No Solution Exploring Operation: 26*12=312, Resulting Numbers: [312] 312,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 91:[15, 71, 15], Operations: ['45/3=15'] Exploring Operation: 15/15=1, Resulting Numbers: [71, 1] Generated Node #0,0,0: 91:[71, 1] Operation: 15/15=1 Exploring Operation: 71+15=86, Resulting Numbers: [15, 86] Generated Node #0,0,1: 91:[15, 86] Operation: 71+15=86 Exploring Operation: 15+71=86, Resulting Numbers: [15, 86] Generated Node #0,0,2: 91:[15, 86] Operation: 15+71=86 Moving to Node #0,1 Current State: 91:[71, 3, 3], Operations: ['45/15=3'] Exploring Operation: 71+3=74, Resulting Numbers: [3, 74] Generated Node #0,1,0: 91:[3, 74] Operation: 71+3=74 Exploring Operation: 71+3=74, Resulting Numbers: [3, 74] Generated Node #0,1,1: 91:[3, 74] Operation: 71+3=74 Exploring Operation: 3+3=6, Resulting Numbers: [71, 6] Generated Node #0,1,2: 91:[71, 6] Operation: 3+3=6 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 91:[3, 74], Operations: ['45/15=3', '71+3=74'] Exploring Operation: 74-3=71, Resulting Numbers: [71] 71,91 unequal: No Solution Exploring Operation: 3+74=77, Resulting Numbers: [77] 77,91 unequal: No Solution Exploring Operation: 3*74=222, Resulting Numbers: [222] 222,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 91:[3, 74], Operations: ['45/15=3', '71+3=74'] Exploring Operation: 74-3=71, Resulting Numbers: [71] 71,91 unequal: No Solution Exploring Operation: 3+74=77, Resulting Numbers: [77] 77,91 unequal: No Solution Exploring Operation: 3*74=222, Resulting Numbers: [222] 222,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 91:[71, 6], Operations: ['45/15=3', '3+3=6'] Exploring Operation: 71-6=65, Resulting Numbers: [65] 65,91 unequal: No Solution Exploring Operation: 71+6=77, Resulting Numbers: [77] 77,91 unequal: No Solution Exploring Operation: 71*6=426, Resulting Numbers: [426] 426,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,1 Current State: 91:[15, 86], Operations: ['45/3=15', '71+15=86'] Exploring Operation: 15*86=1290, Resulting Numbers: [1290] 1290,91 unequal: No Solution Exploring Operation: 86-15=71, Resulting Numbers: [71] 71,91 unequal: No Solution Exploring Operation: 15+86=101, Resulting Numbers: [101] 101,91 unequal: No Solution Moving to Node #0,0,2 Current State: 91:[15, 86], Operations: ['45/3=15', '15+71=86'] Exploring Operation: 15*86=1290, Resulting Numbers: [1290] 1290,91 unequal: No Solution Exploring Operation: 86-15=71, Resulting Numbers: [71] 71,91 unequal: No Solution Exploring Operation: 15+86=101, Resulting Numbers: [101] 101,91 unequal: No Solution Moving to Node #0,0,0 Current State: 91:[71, 1], Operations: ['45/3=15', '15/15=1'] Exploring Operation: 71*1=71, Resulting Numbers: [71] 71,91 unequal: No Solution Exploring Operation: 71/1=71, Resulting Numbers: [71] 71,91 unequal: No Solution Exploring Operation: 71+1=72, Resulting Numbers: [72] 72,91 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 63, 39, 59, 84 ]
18
[ "63-59=4", "84/4=21", "39-21=18" ]
Current State: 18:[63, 39, 59, 84], Operations: [] Exploring Operation: 63-59=4, Resulting Numbers: [39, 84, 4] Generated Node #2: [39, 84, 4] from Operation: 63-59=4 Current State: 18:[39, 84, 4], Operations: ['63-59=4'] Exploring Operation: 84/4=21, Resulting Numbers: [39, 21] Generated Node #3: [39, 21] from Operation: 84/4=21 Current State: 18:[39, 21], Operations: ['63-59=4', '84/4=21'] Exploring Operation: 39-21=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[63, 39, 59, 84], Operations: [] Exploring Operation: 84-63=21, Resulting Numbers: [39, 59, 21] Generated Node #0,0: 18:[39, 59, 21] Operation: 84-63=21 Moving to Node #0,0 Current State: 18:[39, 59, 21], Operations: ['84-63=21'] Exploring Operation: 59-39=20, Resulting Numbers: [21, 20] Generated Node #0,0,0: 18:[21, 20] Operation: 59-39=20 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 18:[21, 20], Operations: ['84-63=21', '59-39=20'] Exploring Operation: 21-20=1, Resulting Numbers: [1] 1,18 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