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
[ 57, 75, 13, 13 ]
75
[ "13-13=0", "57*0=0", "75+0=75" ]
Current State: 75:[57, 75, 13, 13], Operations: [] Exploring Operation: 13-13=0, Resulting Numbers: [57, 75, 0] Generated Node #2: [57, 75, 0] from Operation: 13-13=0 Current State: 75:[57, 75, 0], Operations: ['13-13=0'] Exploring Operation: 57*0=0, Resulting Numbers: [75, 0] Generated Node #3: [75, 0] from Operation: 57*0=0 Current State: 75:[75, 0], Operations: ['13-13=0', '57*0=0'] Exploring Operation: 75+0=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
4
Current State: 75:[57, 75, 13, 13], Operations: [] Exploring Operation: 13/13=1, Resulting Numbers: [57, 75, 1] Generated Node #0,0: 75:[57, 75, 1] Operation: 13/13=1 Exploring Operation: 75-57=18, Resulting Numbers: [13, 13, 18] Generated Node #0,1: 75:[13, 13, 18] Operation: 75-57=18 Exploring Operation: 57+13=70, Resulting Numbers: [75, 13, 70] Generated Node #0,2: 75:[75, 13, 70] Operation: 57+13=70 Exploring Operation: 13+13=26, Resulting Numbers: [57, 75, 26] Generated Node #0,3: 75:[57, 75, 26] Operation: 13+13=26 Exploring Operation: 57+13=70, Resulting Numbers: [75, 13, 70] Generated Node #0,4: 75:[75, 13, 70] Operation: 57+13=70 Start Sub Search at level 1: Moving to Node #0,1 Current State: 75:[13, 13, 18], Operations: ['75-57=18'] Exploring Operation: 13/13=1, Resulting Numbers: [18, 1] Generated Node #0,1,0: 75:[18, 1] Operation: 13/13=1 Exploring Operation: 18-13=5, Resulting Numbers: [13, 5] Generated Node #0,1,1: 75:[13, 5] Operation: 18-13=5 Exploring Operation: 13+13=26, Resulting Numbers: [18, 26] Generated Node #0,1,2: 75:[18, 26] Operation: 13+13=26 Exploring Operation: 13-13=0, Resulting Numbers: [18, 0] Generated Node #0,1,3: 75:[18, 0] Operation: 13-13=0 Exploring Operation: 18-13=5, Resulting Numbers: [13, 5] Generated Node #0,1,4: 75:[13, 5] Operation: 18-13=5 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 75:[13, 5], Operations: ['75-57=18', '18-13=5'] Exploring Operation: 13-5=8, Resulting Numbers: [8] 8,75 unequal: No Solution Exploring Operation: 13*5=65, Resulting Numbers: [65] 65,75 unequal: No Solution Exploring Operation: 13+5=18, Resulting Numbers: [18] 18,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 75:[13, 5], Operations: ['75-57=18', '18-13=5'] Exploring Operation: 13*5=65, Resulting Numbers: [65] 65,75 unequal: No Solution Exploring Operation: 13-5=8, Resulting Numbers: [8] 8,75 unequal: No Solution Exploring Operation: 13+5=18, Resulting Numbers: [18] 18,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 75:[18, 26], Operations: ['75-57=18', '13+13=26'] Exploring Operation: 18+26=44, Resulting Numbers: [44] 44,75 unequal: No Solution Exploring Operation: 26-18=8, Resulting Numbers: [8] 8,75 unequal: No Solution Exploring Operation: 18*26=468, Resulting Numbers: [468] 468,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 75:[18, 1], Operations: ['75-57=18', '13/13=1'] Exploring Operation: 18/1=18, Resulting Numbers: [18] 18,75 unequal: No Solution Exploring Operation: 18*1=18, Resulting Numbers: [18] 18,75 unequal: No Solution Exploring Operation: 18-1=17, Resulting Numbers: [17] 17,75 unequal: No Solution Exploring Operation: 18+1=19, Resulting Numbers: [19] 19,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 75:[18, 0], Operations: ['75-57=18', '13-13=0'] Exploring Operation: 18*0=0, Resulting Numbers: [0] 0,75 unequal: No Solution Exploring Operation: 18+0=18, Resulting Numbers: [18] 18,75 unequal: No Solution Exploring Operation: 18-0=18, Resulting Numbers: [18] 18,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 75:[75, 13, 70], Operations: ['57+13=70'] Exploring Operation: 75-13=62, Resulting Numbers: [70, 62] Generated Node #0,2,0: 75:[70, 62] Operation: 75-13=62 Exploring Operation: 13+70=83, Resulting Numbers: [75, 83] Generated Node #0,2,1: 75:[75, 83] Operation: 13+70=83 Exploring Operation: 75+13=88, Resulting Numbers: [70, 88] Generated Node #0,2,2: 75:[70, 88] Operation: 75+13=88 Exploring Operation: 75-70=5, Resulting Numbers: [13, 5] Generated Node #0,2,3: 75:[13, 5] Operation: 75-70=5 Exploring Operation: 70-13=57, Resulting Numbers: [75, 57] Generated Node #0,2,4: 75:[75, 57] Operation: 70-13=57 Moving to Node #0,2,3 Current State: 75:[13, 5], Operations: ['57+13=70', '75-70=5'] Exploring Operation: 13*5=65, Resulting Numbers: [65] 65,75 unequal: No Solution Exploring Operation: 13-5=8, Resulting Numbers: [8] 8,75 unequal: No Solution Exploring Operation: 13+5=18, Resulting Numbers: [18] 18,75 unequal: No Solution Moving to Node #0,2,1 Current State: 75:[75, 83], Operations: ['57+13=70', '13+70=83'] Exploring Operation: 75*83=6225, Resulting Numbers: [6225] 6225,75 unequal: No Solution Exploring Operation: 75+83=158, Resulting Numbers: [158] 158,75 unequal: No Solution Exploring Operation: 83-75=8, Resulting Numbers: [8] 8,75 unequal: No Solution Moving to Node #0,2,0 Current State: 75:[70, 62], Operations: ['57+13=70', '75-13=62'] Exploring Operation: 70+62=132, Resulting Numbers: [132] 132,75 unequal: No Solution Exploring Operation: 70*62=4340, Resulting Numbers: [4340] 4340,75 unequal: No Solution Exploring Operation: 70-62=8, Resulting Numbers: [8] 8,75 unequal: No Solution Moving to Node #0,2,2 Current State: 75:[70, 88], Operations: ['57+13=70', '75+13=88'] Exploring Operation: 88-70=18, Resulting Numbers: [18] 18,75 unequal: No Solution Exploring Operation: 70*88=6160, Resulting Numbers: [6160] 6160,75 unequal: No Solution Exploring Operation: 70+88=158, Resulting Numbers: [158] 158,75 unequal: No Solution Moving to Node #0,2,4 Current State: 75:[75, 57], Operations: ['57+13=70', '70-13=57'] Exploring Operation: 75-57=18, Resulting Numbers: [18] 18,75 unequal: No Solution Exploring Operation: 75+57=132, Resulting Numbers: [132] 132,75 unequal: No Solution Exploring Operation: 75*57=4275, Resulting Numbers: [4275] 4275,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 75:[75, 13, 70], Operations: ['57+13=70'] Exploring Operation: 70-13=57, Resulting Numbers: [75, 57] Generated Node #0,4,0: 75:[75, 57] Operation: 70-13=57 Exploring Operation: 75-70=5, Resulting Numbers: [13, 5] Generated Node #0,4,1: 75:[13, 5] Operation: 75-70=5 Exploring Operation: 75+13=88, Resulting Numbers: [70, 88] Generated Node #0,4,2: 75:[70, 88] Operation: 75+13=88 Exploring Operation: 13+70=83, Resulting Numbers: [75, 83] Generated Node #0,4,3: 75:[75, 83] Operation: 13+70=83 Exploring Operation: 75-13=62, Resulting Numbers: [70, 62] Generated Node #0,4,4: 75:[70, 62] Operation: 75-13=62 Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 75:[13, 5], Operations: ['57+13=70', '75-70=5'] Exploring Operation: 13+5=18, Resulting Numbers: [18] 18,75 unequal: No Solution Exploring Operation: 13-5=8, Resulting Numbers: [8] 8,75 unequal: No Solution Exploring Operation: 13*5=65, Resulting Numbers: [65] 65,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 75:[75, 83], Operations: ['57+13=70', '13+70=83'] Exploring Operation: 83-75=8, Resulting Numbers: [8] 8,75 unequal: No Solution Exploring Operation: 75*83=6225, Resulting Numbers: [6225] 6225,75 unequal: No Solution Exploring Operation: 75+83=158, Resulting Numbers: [158] 158,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 75:[75, 57], Operations: ['57+13=70', '70-13=57'] Exploring Operation: 75+57=132, Resulting Numbers: [132] 132,75 unequal: No Solution Exploring Operation: 75*57=4275, Resulting Numbers: [4275] 4275,75 unequal: No Solution Exploring Operation: 75-57=18, Resulting Numbers: [18] 18,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 75:[70, 88], Operations: ['57+13=70', '75+13=88'] Exploring Operation: 70+88=158, Resulting Numbers: [158] 158,75 unequal: No Solution Exploring Operation: 88-70=18, Resulting Numbers: [18] 18,75 unequal: No Solution Exploring Operation: 70*88=6160, Resulting Numbers: [6160] 6160,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 75:[70, 62], Operations: ['57+13=70', '75-13=62'] Exploring Operation: 70*62=4340, Resulting Numbers: [4340] 4340,75 unequal: No Solution Exploring Operation: 70-62=8, Resulting Numbers: [8] 8,75 unequal: No Solution Exploring Operation: 70+62=132, Resulting Numbers: [132] 132,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 75:[57, 75, 26], Operations: ['13+13=26'] Exploring Operation: 75+26=101, Resulting Numbers: [57, 101] Generated Node #0,3,0: 75:[57, 101] Operation: 75+26=101 Exploring Operation: 75-26=49, Resulting Numbers: [57, 49] Generated Node #0,3,1: 75:[57, 49] Operation: 75-26=49 Exploring Operation: 57-26=31, Resulting Numbers: [75, 31] Generated Node #0,3,2: 75:[75, 31] Operation: 57-26=31 Exploring Operation: 57+26=83, Resulting Numbers: [75, 83] Generated Node #0,3,3: 75:[75, 83] Operation: 57+26=83 Exploring Operation: 75-57=18, Resulting Numbers: [26, 18] Generated Node #0,3,4: 75:[26, 18] Operation: 75-57=18 Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 75:[26, 18], Operations: ['13+13=26', '75-57=18'] Exploring Operation: 26+18=44, Resulting Numbers: [44] 44,75 unequal: No Solution Exploring Operation: 26-18=8, Resulting Numbers: [8] 8,75 unequal: No Solution Exploring Operation: 26*18=468, Resulting Numbers: [468] 468,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 75:[75, 31], Operations: ['13+13=26', '57-26=31'] Exploring Operation: 75+31=106, Resulting Numbers: [106] 106,75 unequal: No Solution Exploring Operation: 75-31=44, Resulting Numbers: [44] 44,75 unequal: No Solution Exploring Operation: 75*31=2325, Resulting Numbers: [2325] 2325,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 75:[75, 83], Operations: ['13+13=26', '57+26=83'] Exploring Operation: 75+83=158, Resulting Numbers: [158] 158,75 unequal: No Solution Exploring Operation: 83-75=8, Resulting Numbers: [8] 8,75 unequal: No Solution Exploring Operation: 75*83=6225, Resulting Numbers: [6225] 6225,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 75:[57, 49], Operations: ['13+13=26', '75-26=49'] Exploring Operation: 57+49=106, Resulting Numbers: [106] 106,75 unequal: No Solution Exploring Operation: 57-49=8, Resulting Numbers: [8] 8,75 unequal: No Solution Exploring Operation: 57*49=2793, Resulting Numbers: [2793] 2793,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 75:[57, 101], Operations: ['13+13=26', '75+26=101'] Exploring Operation: 101-57=44, Resulting Numbers: [44] 44,75 unequal: No Solution Exploring Operation: 57+101=158, Resulting Numbers: [158] 158,75 unequal: No Solution Exploring Operation: 57*101=5757, Resulting Numbers: [5757] 5757,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 75:[57, 75, 1], Operations: ['13/13=1'] Exploring Operation: 57*1=57, Resulting Numbers: [75, 57] Generated Node #0,0,0: 75:[75, 57] Operation: 57*1=57 Exploring Operation: 75-57=18, Resulting Numbers: [1, 18] Generated Node #0,0,1: 75:[1, 18] Operation: 75-57=18 Exploring Operation: 75*1=75, Resulting Numbers: [57, 75] Generated Node #0,0,2: 75:[57, 75] Operation: 75*1=75 Exploring Operation: 57/1=57, Resulting Numbers: [75, 57] Generated Node #0,0,3: 75:[75, 57] Operation: 57/1=57 Exploring Operation: 57+1=58, Resulting Numbers: [75, 58] Generated Node #0,0,4: 75:[75, 58] Operation: 57+1=58 Moving to Node #0,0,1 Current State: 75:[1, 18], Operations: ['13/13=1', '75-57=18'] Exploring Operation: 18/1=18, Resulting Numbers: [18] 18,75 unequal: No Solution Exploring Operation: 1*18=18, Resulting Numbers: [18] 18,75 unequal: No Solution Exploring Operation: 18-1=17, Resulting Numbers: [17] 17,75 unequal: No Solution Exploring Operation: 1+18=19, Resulting Numbers: [19] 19,75 unequal: No Solution Moving to Node #0,0,4 Current State: 75:[75, 58], Operations: ['13/13=1', '57+1=58'] Exploring Operation: 75*58=4350, Resulting Numbers: [4350] 4350,75 unequal: No Solution Exploring Operation: 75+58=133, Resulting Numbers: [133] 133,75 unequal: No Solution Exploring Operation: 75-58=17, Resulting Numbers: [17] 17,75 unequal: No Solution Moving to Node #0,0,0 Current State: 75:[75, 57], Operations: ['13/13=1', '57*1=57'] Exploring Operation: 75-57=18, Resulting Numbers: [18] 18,75 unequal: No Solution Exploring Operation: 75*57=4275, Resulting Numbers: [4275] 4275,75 unequal: No Solution Exploring Operation: 75+57=132, Resulting Numbers: [132] 132,75 unequal: No Solution Moving to Node #0,0,2 Current State: 75:[57, 75], Operations: ['13/13=1', '75*1=75'] Exploring Operation: 57+75=132, Resulting Numbers: [132] 132,75 unequal: No Solution Exploring Operation: 57*75=4275, Resulting Numbers: [4275] 4275,75 unequal: No Solution Exploring Operation: 75-57=18, Resulting Numbers: [18] 18,75 unequal: No Solution Moving to Node #0,0,3 Current State: 75:[75, 57], Operations: ['13/13=1', '57/1=57'] Exploring Operation: 75-57=18, Resulting Numbers: [18] 18,75 unequal: No Solution Exploring Operation: 75*57=4275, Resulting Numbers: [4275] 4275,75 unequal: No Solution Exploring Operation: 75+57=132, Resulting Numbers: [132] 132,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
mult_heuristic
[ 90, 85, 77, 93 ]
11
[ "90-85=5", "93-77=16", "16-5=11" ]
Current State: 11:[90, 85, 77, 93], Operations: [] Exploring Operation: 90-85=5, Resulting Numbers: [77, 93, 5] Generated Node #2: [77, 93, 5] from Operation: 90-85=5 Current State: 11:[77, 93, 5], Operations: ['90-85=5'] Exploring Operation: 93-77=16, Resulting Numbers: [5, 16] Generated Node #3: [5, 16] from Operation: 93-77=16 Current State: 11:[5, 16], Operations: ['90-85=5', '93-77=16'] Exploring Operation: 16-5=11, Resulting Numbers: [11] 11,11 equal: Goal Reached
4
Current State: 11:[90, 85, 77, 93], Operations: [] Exploring Operation: 93-85=8, Resulting Numbers: [90, 77, 8] Generated Node #0,0: 11:[90, 77, 8] Operation: 93-85=8 Exploring Operation: 93-90=3, Resulting Numbers: [85, 77, 3] Generated Node #0,1: 11:[85, 77, 3] Operation: 93-90=3 Exploring Operation: 90-85=5, Resulting Numbers: [77, 93, 5] Generated Node #0,2: 11:[77, 93, 5] Operation: 90-85=5 Exploring Operation: 90-77=13, Resulting Numbers: [85, 93, 13] Generated Node #0,3: 11:[85, 93, 13] Operation: 90-77=13 Moving to Node #0,0 Current State: 11:[90, 77, 8], Operations: ['93-85=8'] Exploring Operation: 90-8=82, Resulting Numbers: [77, 82] Generated Node #0,0,0: 11:[77, 82] Operation: 90-8=82 Exploring Operation: 90-77=13, Resulting Numbers: [8, 13] Generated Node #0,0,1: 11:[8, 13] Operation: 90-77=13 Exploring Operation: 77-8=69, Resulting Numbers: [90, 69] Generated Node #0,0,2: 11:[90, 69] Operation: 77-8=69 Exploring Operation: 90+8=98, Resulting Numbers: [77, 98] Generated Node #0,0,3: 11:[77, 98] Operation: 90+8=98 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 11:[8, 13], Operations: ['93-85=8', '90-77=13'] Exploring Operation: 8+13=21, Resulting Numbers: [21] 21,11 unequal: No Solution Exploring Operation: 13-8=5, Resulting Numbers: [5] 5,11 unequal: No Solution Exploring Operation: 8*13=104, Resulting Numbers: [104] 104,11 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 11:[77, 82], Operations: ['93-85=8', '90-8=82'] Exploring Operation: 77*82=6314, Resulting Numbers: [6314] 6314,11 unequal: No Solution Exploring Operation: 77+82=159, Resulting Numbers: [159] 159,11 unequal: No Solution Exploring Operation: 82-77=5, Resulting Numbers: [5] 5,11 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 11:[90, 69], Operations: ['93-85=8', '77-8=69'] Exploring Operation: 90+69=159, Resulting Numbers: [159] 159,11 unequal: No Solution Exploring Operation: 90-69=21, Resulting Numbers: [21] 21,11 unequal: No Solution Exploring Operation: 90*69=6210, Resulting Numbers: [6210] 6210,11 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 11:[77, 98], Operations: ['93-85=8', '90+8=98'] Exploring Operation: 77+98=175, Resulting Numbers: [175] 175,11 unequal: No Solution Exploring Operation: 77*98=7546, Resulting Numbers: [7546] 7546,11 unequal: No Solution Exploring Operation: 98-77=21, Resulting Numbers: [21] 21,11 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: 11:[85, 77, 3], Operations: ['93-90=3'] Exploring Operation: 77-3=74, Resulting Numbers: [85, 74] Generated Node #0,1,0: 11:[85, 74] Operation: 77-3=74 Exploring Operation: 85-3=82, Resulting Numbers: [77, 82] Generated Node #0,1,1: 11:[77, 82] Operation: 85-3=82 Exploring Operation: 85-77=8, Resulting Numbers: [3, 8] Generated Node #0,1,2: 11:[3, 8] Operation: 85-77=8 Exploring Operation: 85+3=88, Resulting Numbers: [77, 88] Generated Node #0,1,3: 11:[77, 88] Operation: 85+3=88 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 11:[3, 8], Operations: ['93-90=3', '85-77=8'] Exploring Operation: 3*8=24, Resulting Numbers: [24] 24,11 unequal: No Solution Exploring Operation: 8-3=5, Resulting Numbers: [5] 5,11 unequal: No Solution Exploring Operation: 3+8=11, Resulting Numbers: [11] 11,11 equal: Goal Reached Moving to Node #0 Current State: 11:[90, 85, 77, 93], Operations: [] Exploring Operation: 93-90=3, Resulting Numbers: [85, 77, 3] Generated Node #0,1: 11:[85, 77, 3] Operation: 93-90=3 Moving to Node #0,1 Current State: 11:[85, 77, 3], Operations: ['93-90=3'] Exploring Operation: 85-77=8, Resulting Numbers: [3, 8] Generated Node #0,1,2: 11:[3, 8] Operation: 85-77=8 Moving to Node #0,1,2 Current State: 11:[3, 8], Operations: ['93-90=3', '85-77=8'] Exploring Operation: 3+8=11, Resulting Numbers: [11] 11,11 equal: Goal Reached Exit Sub Search at level 1
0.97309
hs_4
mult_heuristic
[ 23, 77, 80, 7 ]
62
[ "80-77=3", "23*3=69", "69-7=62" ]
Current State: 62:[23, 77, 80, 7], Operations: [] Exploring Operation: 80-77=3, Resulting Numbers: [23, 7, 3] Generated Node #2: [23, 7, 3] from Operation: 80-77=3 Current State: 62:[23, 7, 3], Operations: ['80-77=3'] Exploring Operation: 23*3=69, Resulting Numbers: [7, 69] Generated Node #3: [7, 69] from Operation: 23*3=69 Current State: 62:[7, 69], Operations: ['80-77=3', '23*3=69'] Exploring Operation: 69-7=62, Resulting Numbers: [62] 62,62 equal: Goal Reached
4
Current State: 62:[23, 77, 80, 7], Operations: [] Exploring Operation: 80-77=3, Resulting Numbers: [23, 7, 3] Generated Node #0,0: 62:[23, 7, 3] Operation: 80-77=3 Exploring Operation: 77-23=54, Resulting Numbers: [80, 7, 54] Generated Node #0,1: 62:[80, 7, 54] Operation: 77-23=54 Exploring Operation: 80-23=57, Resulting Numbers: [77, 7, 57] Generated Node #0,2: 62:[77, 7, 57] Operation: 80-23=57 Start Sub Search at level 1: Moving to Node #0,0 Current State: 62:[23, 7, 3], Operations: ['80-77=3'] Exploring Operation: 23+3=26, Resulting Numbers: [7, 26] Generated Node #0,0,0: 62:[7, 26] Operation: 23+3=26 Exploring Operation: 23+7=30, Resulting Numbers: [3, 30] Generated Node #0,0,1: 62:[3, 30] Operation: 23+7=30 Exploring Operation: 7-3=4, Resulting Numbers: [23, 4] Generated Node #0,0,2: 62:[23, 4] Operation: 7-3=4 Moving to Node #0,0,1 Current State: 62:[3, 30], Operations: ['80-77=3', '23+7=30'] Exploring Operation: 30-3=27, Resulting Numbers: [27] 27,62 unequal: No Solution Exploring Operation: 30/3=10, Resulting Numbers: [10] 10,62 unequal: No Solution Exploring Operation: 3+30=33, Resulting Numbers: [33] 33,62 unequal: No Solution Moving to Node #0,0,0 Current State: 62:[7, 26], Operations: ['80-77=3', '23+3=26'] Exploring Operation: 7+26=33, Resulting Numbers: [33] 33,62 unequal: No Solution Exploring Operation: 7*26=182, Resulting Numbers: [182] 182,62 unequal: No Solution Exploring Operation: 26-7=19, Resulting Numbers: [19] 19,62 unequal: No Solution Moving to Node #0,0,2 Current State: 62:[23, 4], Operations: ['80-77=3', '7-3=4'] Exploring Operation: 23*4=92, Resulting Numbers: [92] 92,62 unequal: No Solution Exploring Operation: 23-4=19, Resulting Numbers: [19] 19,62 unequal: No Solution Exploring Operation: 23+4=27, Resulting Numbers: [27] 27,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 62:[77, 7, 57], Operations: ['80-23=57'] Exploring Operation: 77-7=70, Resulting Numbers: [57, 70] Generated Node #0,2,0: 62:[57, 70] Operation: 77-7=70 Exploring Operation: 77-57=20, Resulting Numbers: [7, 20] Generated Node #0,2,1: 62:[7, 20] Operation: 77-57=20 Exploring Operation: 77/7=11, Resulting Numbers: [57, 11] Generated Node #0,2,2: 62:[57, 11] Operation: 77/7=11 Moving to Node #0,2,0 Current State: 62:[57, 70], Operations: ['80-23=57', '77-7=70'] Exploring Operation: 70-57=13, Resulting Numbers: [13] 13,62 unequal: No Solution Exploring Operation: 57*70=3990, Resulting Numbers: [3990] 3990,62 unequal: No Solution Exploring Operation: 57+70=127, Resulting Numbers: [127] 127,62 unequal: No Solution Moving to Node #0,2,2 Current State: 62:[57, 11], Operations: ['80-23=57', '77/7=11'] Exploring Operation: 57+11=68, Resulting Numbers: [68] 68,62 unequal: No Solution Exploring Operation: 57*11=627, Resulting Numbers: [627] 627,62 unequal: No Solution Exploring Operation: 57-11=46, Resulting Numbers: [46] 46,62 unequal: No Solution Moving to Node #0,2,1 Current State: 62:[7, 20], Operations: ['80-23=57', '77-57=20'] Exploring Operation: 7+20=27, Resulting Numbers: [27] 27,62 unequal: No Solution Exploring Operation: 7*20=140, Resulting Numbers: [140] 140,62 unequal: No Solution Exploring Operation: 20-7=13, Resulting Numbers: [13] 13,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 62:[80, 7, 54], Operations: ['77-23=54'] Exploring Operation: 80-54=26, Resulting Numbers: [7, 26] Generated Node #0,1,0: 62:[7, 26] Operation: 80-54=26 Exploring Operation: 80-7=73, Resulting Numbers: [54, 73] Generated Node #0,1,1: 62:[54, 73] Operation: 80-7=73 Exploring Operation: 7+54=61, Resulting Numbers: [80, 61] Generated Node #0,1,2: 62:[80, 61] Operation: 7+54=61 Moving to Node #0,1,0 Current State: 62:[7, 26], Operations: ['77-23=54', '80-54=26'] Exploring Operation: 7*26=182, Resulting Numbers: [182] 182,62 unequal: No Solution Exploring Operation: 7+26=33, Resulting Numbers: [33] 33,62 unequal: No Solution Exploring Operation: 26-7=19, Resulting Numbers: [19] 19,62 unequal: No Solution Moving to Node #0,1,1 Current State: 62:[54, 73], Operations: ['77-23=54', '80-7=73'] Exploring Operation: 54*73=3942, Resulting Numbers: [3942] 3942,62 unequal: No Solution Exploring Operation: 54+73=127, Resulting Numbers: [127] 127,62 unequal: No Solution Exploring Operation: 73-54=19, Resulting Numbers: [19] 19,62 unequal: No Solution Moving to Node #0,1,2 Current State: 62:[80, 61], Operations: ['77-23=54', '7+54=61'] Exploring Operation: 80-61=19, Resulting Numbers: [19] 19,62 unequal: No Solution Exploring Operation: 80*61=4880, Resulting Numbers: [4880] 4880,62 unequal: No Solution Exploring Operation: 80+61=141, Resulting Numbers: [141] 141,62 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
[ 63, 46, 71, 45 ]
99
[ "63-46=17", "71+45=116", "116-17=99" ]
Current State: 99:[63, 46, 71, 45], Operations: [] Exploring Operation: 63-46=17, Resulting Numbers: [71, 45, 17] Generated Node #2: [71, 45, 17] from Operation: 63-46=17 Current State: 99:[71, 45, 17], Operations: ['63-46=17'] Exploring Operation: 71+45=116, Resulting Numbers: [17, 116] Generated Node #3: [17, 116] from Operation: 71+45=116 Current State: 99:[17, 116], Operations: ['63-46=17', '71+45=116'] Exploring Operation: 116-17=99, Resulting Numbers: [99] 99,99 equal: Goal Reached
4
Current State: 99:[63, 46, 71, 45], Operations: [] Exploring Operation: 71-63=8, Resulting Numbers: [46, 45, 8] Generated Node #0,0: 99:[46, 45, 8] Operation: 71-63=8 Exploring Operation: 63-46=17, Resulting Numbers: [71, 45, 17] Generated Node #0,1: 99:[71, 45, 17] Operation: 63-46=17 Moving to Node #0,0 Current State: 99:[46, 45, 8], Operations: ['71-63=8'] Exploring Operation: 46-45=1, Resulting Numbers: [8, 1] Generated Node #0,0,0: 99:[8, 1] Operation: 46-45=1 Exploring Operation: 46+45=91, Resulting Numbers: [8, 91] Generated Node #0,0,1: 99:[8, 91] Operation: 46+45=91 Moving to Node #0,1 Current State: 99:[71, 45, 17], Operations: ['63-46=17'] Exploring Operation: 71+45=116, Resulting Numbers: [17, 116] Generated Node #0,1,0: 99:[17, 116] Operation: 71+45=116 Exploring Operation: 71-45=26, Resulting Numbers: [17, 26] Generated Node #0,1,1: 99:[17, 26] Operation: 71-45=26 Moving to Node #0,0,0 Current State: 99:[8, 1], Operations: ['71-63=8', '46-45=1'] Exploring Operation: 8+1=9, Resulting Numbers: [9] 9,99 unequal: No Solution Exploring Operation: 8*1=8, Resulting Numbers: [8] 8,99 unequal: No Solution Moving to Node #0,0,1 Current State: 99:[8, 91], Operations: ['71-63=8', '46+45=91'] Exploring Operation: 91-8=83, Resulting Numbers: [83] 83,99 unequal: No Solution Exploring Operation: 8+91=99, Resulting Numbers: [99] 99,99 equal: Goal Reached Moving to Node #0 Current State: 99:[63, 46, 71, 45], Operations: [] Exploring Operation: 71-63=8, Resulting Numbers: [46, 45, 8] Generated Node #0,0: 99:[46, 45, 8] Operation: 71-63=8 Moving to Node #0,0 Current State: 99:[46, 45, 8], Operations: ['71-63=8'] Exploring Operation: 46+45=91, Resulting Numbers: [8, 91] Generated Node #0,0,1: 99:[8, 91] Operation: 46+45=91 Moving to Node #0,0,1 Current State: 99:[8, 91], Operations: ['71-63=8', '46+45=91'] Exploring Operation: 8+91=99, Resulting Numbers: [99] 99,99 equal: Goal Reached
0.987847
hs_2
sum_heuristic
[ 33, 16, 4, 95 ]
28
[ "33-16=17", "95+17=112", "112/4=28" ]
Current State: 28:[33, 16, 4, 95], Operations: [] Exploring Operation: 33-16=17, Resulting Numbers: [4, 95, 17] Generated Node #2: [4, 95, 17] from Operation: 33-16=17 Current State: 28:[4, 95, 17], Operations: ['33-16=17'] Exploring Operation: 95+17=112, Resulting Numbers: [4, 112] Generated Node #3: [4, 112] from Operation: 95+17=112 Current State: 28:[4, 112], Operations: ['33-16=17', '95+17=112'] Exploring Operation: 112/4=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
4
Current State: 28:[33, 16, 4, 95], Operations: [] Exploring Operation: 95-33=62, Resulting Numbers: [16, 4, 62] Generated Node #0,0: 28:[16, 4, 62] Operation: 95-33=62 Start Sub Search at level 1: Moving to Node #0,0 Current State: 28:[16, 4, 62], Operations: ['95-33=62'] Exploring Operation: 62-16=46, Resulting Numbers: [4, 46] Generated Node #0,0,0: 28:[4, 46] Operation: 62-16=46 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 28:[4, 46], Operations: ['95-33=62', '62-16=46'] Exploring Operation: 46-4=42, Resulting Numbers: [42] 42,28 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
[ 14, 44, 2, 62 ]
94
[ "44-14=30", "2+62=64", "30+64=94" ]
Current State: 94:[14, 44, 2, 62], Operations: [] Exploring Operation: 44-14=30, Resulting Numbers: [2, 62, 30] Generated Node #2: [2, 62, 30] from Operation: 44-14=30 Current State: 94:[2, 62, 30], Operations: ['44-14=30'] Exploring Operation: 2+62=64, Resulting Numbers: [30, 64] Generated Node #3: [30, 64] from Operation: 2+62=64 Current State: 94:[30, 64], Operations: ['44-14=30', '2+62=64'] Exploring Operation: 30+64=94, Resulting Numbers: [94] 94,94 equal: Goal Reached
4
Current State: 94:[14, 44, 2, 62], Operations: [] Exploring Operation: 44+62=106, Resulting Numbers: [14, 2, 106] Generated Node #0,0: 94:[14, 2, 106] Operation: 44+62=106 Exploring Operation: 14+62=76, Resulting Numbers: [44, 2, 76] Generated Node #0,1: 94:[44, 2, 76] Operation: 14+62=76 Exploring Operation: 62-14=48, Resulting Numbers: [44, 2, 48] Generated Node #0,2: 94:[44, 2, 48] Operation: 62-14=48 Exploring Operation: 14+44=58, Resulting Numbers: [2, 62, 58] Generated Node #0,3: 94:[2, 62, 58] Operation: 14+44=58 Exploring Operation: 14/2=7, Resulting Numbers: [44, 62, 7] Generated Node #0,4: 94:[44, 62, 7] Operation: 14/2=7 Moving to Node #0,2 Current State: 94:[44, 2, 48], Operations: ['62-14=48'] Exploring Operation: 48-44=4, Resulting Numbers: [2, 4] Generated Node #0,2,0: 94:[2, 4] Operation: 48-44=4 Exploring Operation: 44+2=46, Resulting Numbers: [48, 46] Generated Node #0,2,1: 94:[48, 46] Operation: 44+2=46 Exploring Operation: 2*48=96, Resulting Numbers: [44, 96] Generated Node #0,2,2: 94:[44, 96] Operation: 2*48=96 Exploring Operation: 44+48=92, Resulting Numbers: [2, 92] Generated Node #0,2,3: 94:[2, 92] Operation: 44+48=92 Exploring Operation: 48-2=46, Resulting Numbers: [44, 46] Generated Node #0,2,4: 94:[44, 46] Operation: 48-2=46 Moving to Node #0,1 Current State: 94:[44, 2, 76], Operations: ['14+62=76'] Exploring Operation: 44+2=46, Resulting Numbers: [76, 46] Generated Node #0,1,0: 94:[76, 46] Operation: 44+2=46 Exploring Operation: 2+76=78, Resulting Numbers: [44, 78] Generated Node #0,1,1: 94:[44, 78] Operation: 2+76=78 Exploring Operation: 44-2=42, Resulting Numbers: [76, 42] Generated Node #0,1,2: 94:[76, 42] Operation: 44-2=42 Exploring Operation: 76-44=32, Resulting Numbers: [2, 32] Generated Node #0,1,3: 94:[2, 32] Operation: 76-44=32 Exploring Operation: 76/2=38, Resulting Numbers: [44, 38] Generated Node #0,1,4: 94:[44, 38] Operation: 76/2=38 Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 94:[44, 38], Operations: ['14+62=76', '76/2=38'] Exploring Operation: 44+38=82, Resulting Numbers: [82] 82,94 unequal: No Solution Exploring Operation: 44*38=1672, Resulting Numbers: [1672] 1672,94 unequal: No Solution Exploring Operation: 44-38=6, Resulting Numbers: [6] 6,94 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:[2, 32], Operations: ['14+62=76', '76-44=32'] Exploring Operation: 32-2=30, Resulting Numbers: [30] 30,94 unequal: No Solution Exploring Operation: 2+32=34, Resulting Numbers: [34] 34,94 unequal: No Solution Exploring Operation: 32/2=16, Resulting Numbers: [16] 16,94 unequal: No Solution Exploring Operation: 2*32=64, Resulting Numbers: [64] 64,94 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 #0,1,0 Current State: 94:[76, 46], Operations: ['14+62=76', '44+2=46'] Exploring Operation: 76*46=3496, Resulting Numbers: [3496] 3496,94 unequal: No Solution Exploring Operation: 76-46=30, Resulting Numbers: [30] 30,94 unequal: No Solution Exploring Operation: 76+46=122, Resulting Numbers: [122] 122,94 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:[44, 78], Operations: ['14+62=76', '2+76=78'] Exploring Operation: 44+78=122, Resulting Numbers: [122] 122,94 unequal: No Solution Exploring Operation: 44*78=3432, Resulting Numbers: [3432] 3432,94 unequal: No Solution Exploring Operation: 78-44=34, Resulting Numbers: [34] 34,94 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:[76, 42], Operations: ['14+62=76', '44-2=42'] Exploring Operation: 76*42=3192, Resulting Numbers: [3192] 3192,94 unequal: No Solution Exploring Operation: 76-42=34, Resulting Numbers: [34] 34,94 unequal: No Solution Exploring Operation: 76+42=118, Resulting Numbers: [118] 118,94 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: 94:[44, 62, 7], Operations: ['14/2=7'] Exploring Operation: 44+62=106, Resulting Numbers: [7, 106] Generated Node #0,4,0: 94:[7, 106] Operation: 44+62=106 Exploring Operation: 44+7=51, Resulting Numbers: [62, 51] Generated Node #0,4,1: 94:[62, 51] Operation: 44+7=51 Exploring Operation: 44-7=37, Resulting Numbers: [62, 37] Generated Node #0,4,2: 94:[62, 37] Operation: 44-7=37 Exploring Operation: 62-44=18, Resulting Numbers: [7, 18] Generated Node #0,4,3: 94:[7, 18] Operation: 62-44=18 Exploring Operation: 62-7=55, Resulting Numbers: [44, 55] Generated Node #0,4,4: 94:[44, 55] Operation: 62-7=55 Moving to Node #0,0 Current State: 94:[14, 2, 106], Operations: ['44+62=106'] Exploring Operation: 106-14=92, Resulting Numbers: [2, 92] Generated Node #0,0,0: 94:[2, 92] Operation: 106-14=92 Exploring Operation: 106/2=53, Resulting Numbers: [14, 53] Generated Node #0,0,1: 94:[14, 53] Operation: 106/2=53 Exploring Operation: 106-2=104, Resulting Numbers: [14, 104] Generated Node #0,0,2: 94:[14, 104] Operation: 106-2=104 Exploring Operation: 14-2=12, Resulting Numbers: [106, 12] Generated Node #0,0,3: 94:[106, 12] Operation: 14-2=12 Exploring Operation: 14/2=7, Resulting Numbers: [106, 7] Generated Node #0,0,4: 94:[106, 7] Operation: 14/2=7 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 94:[2, 92], Operations: ['44+62=106', '106-14=92'] Exploring Operation: 2+92=94, Resulting Numbers: [94] 94,94 equal: Goal Reached Moving to Node #0 Current State: 94:[14, 44, 2, 62], Operations: [] Exploring Operation: 44+62=106, Resulting Numbers: [14, 2, 106] Generated Node #0,0: 94:[14, 2, 106] Operation: 44+62=106 Moving to Node #0,0 Current State: 94:[14, 2, 106], Operations: ['44+62=106'] Exploring Operation: 106-14=92, Resulting Numbers: [2, 92] Generated Node #0,0,0: 94:[2, 92] Operation: 106-14=92 Moving to Node #0,0,0 Current State: 94:[2, 92], Operations: ['44+62=106', '106-14=92'] Exploring Operation: 2+92=94, Resulting Numbers: [94] 94,94 equal: Goal Reached Exit Sub Search at level 1
0.960069
hs_5
sum_heuristic
[ 20, 70, 72, 59 ]
37
[ "70-20=50", "72-59=13", "50-13=37" ]
Current State: 37:[20, 70, 72, 59], Operations: [] Exploring Operation: 70-20=50, Resulting Numbers: [72, 59, 50] Generated Node #2: [72, 59, 50] from Operation: 70-20=50 Current State: 37:[72, 59, 50], Operations: ['70-20=50'] Exploring Operation: 72-59=13, Resulting Numbers: [50, 13] Generated Node #3: [50, 13] from Operation: 72-59=13 Current State: 37:[50, 13], Operations: ['70-20=50', '72-59=13'] Exploring Operation: 50-13=37, Resulting Numbers: [37] 37,37 equal: Goal Reached
4
Current State: 37:[20, 70, 72, 59], Operations: [] Exploring Operation: 72-59=13, Resulting Numbers: [20, 70, 13] Generated Node #0,0: 37:[20, 70, 13] Operation: 72-59=13 Exploring Operation: 72-20=52, Resulting Numbers: [70, 59, 52] Generated Node #0,1: 37:[70, 59, 52] Operation: 72-20=52 Exploring Operation: 59-20=39, Resulting Numbers: [70, 72, 39] Generated Node #0,2: 37:[70, 72, 39] Operation: 59-20=39 Exploring Operation: 70-20=50, Resulting Numbers: [72, 59, 50] Generated Node #0,3: 37:[72, 59, 50] Operation: 70-20=50 Exploring Operation: 72-70=2, Resulting Numbers: [20, 59, 2] Generated Node #0,4: 37:[20, 59, 2] Operation: 72-70=2 Start Sub Search at level 1: Moving to Node #0,1 Current State: 37:[70, 59, 52], Operations: ['72-20=52'] Exploring Operation: 70+59=129, Resulting Numbers: [52, 129] Generated Node #0,1,0: 37:[52, 129] Operation: 70+59=129 Exploring Operation: 70+52=122, Resulting Numbers: [59, 122] Generated Node #0,1,1: 37:[59, 122] Operation: 70+52=122 Exploring Operation: 70-52=18, Resulting Numbers: [59, 18] Generated Node #0,1,2: 37:[59, 18] Operation: 70-52=18 Exploring Operation: 59-52=7, Resulting Numbers: [70, 7] Generated Node #0,1,3: 37:[70, 7] Operation: 59-52=7 Exploring Operation: 70-59=11, Resulting Numbers: [52, 11] Generated Node #0,1,4: 37:[52, 11] Operation: 70-59=11 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 37:[59, 18], Operations: ['72-20=52', '70-52=18'] Exploring Operation: 59*18=1062, Resulting Numbers: [1062] 1062,37 unequal: No Solution Exploring Operation: 59+18=77, Resulting Numbers: [77] 77,37 unequal: No Solution Exploring Operation: 59-18=41, Resulting Numbers: [41] 41,37 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 37:[52, 11], Operations: ['72-20=52', '70-59=11'] Exploring Operation: 52-11=41, Resulting Numbers: [41] 41,37 unequal: No Solution Exploring Operation: 52+11=63, Resulting Numbers: [63] 63,37 unequal: No Solution Exploring Operation: 52*11=572, Resulting Numbers: [572] 572,37 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 37:[70, 7], Operations: ['72-20=52', '59-52=7'] Exploring Operation: 70*7=490, Resulting Numbers: [490] 490,37 unequal: No Solution Exploring Operation: 70+7=77, Resulting Numbers: [77] 77,37 unequal: No Solution Exploring Operation: 70/7=10, Resulting Numbers: [10] 10,37 unequal: No Solution Exploring Operation: 70-7=63, Resulting Numbers: [63] 63,37 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 37:[52, 129], Operations: ['72-20=52', '70+59=129'] Exploring Operation: 52*129=6708, Resulting Numbers: [6708] 6708,37 unequal: No Solution Exploring Operation: 129-52=77, Resulting Numbers: [77] 77,37 unequal: No Solution Exploring Operation: 52+129=181, Resulting Numbers: [181] 181,37 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 37:[59, 122], Operations: ['72-20=52', '70+52=122'] Exploring Operation: 59*122=7198, Resulting Numbers: [7198] 7198,37 unequal: No Solution Exploring Operation: 122-59=63, Resulting Numbers: [63] 63,37 unequal: No Solution Exploring Operation: 59+122=181, Resulting Numbers: [181] 181,37 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 37:[70, 72, 39], Operations: ['59-20=39'] Exploring Operation: 72-70=2, Resulting Numbers: [39, 2] Generated Node #0,2,0: 37:[39, 2] Operation: 72-70=2 Exploring Operation: 70+72=142, Resulting Numbers: [39, 142] Generated Node #0,2,1: 37:[39, 142] Operation: 70+72=142 Exploring Operation: 70+39=109, Resulting Numbers: [72, 109] Generated Node #0,2,2: 37:[72, 109] Operation: 70+39=109 Exploring Operation: 70-39=31, Resulting Numbers: [72, 31] Generated Node #0,2,3: 37:[72, 31] Operation: 70-39=31 Exploring Operation: 72-39=33, Resulting Numbers: [70, 33] Generated Node #0,2,4: 37:[70, 33] Operation: 72-39=33 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 37:[39, 2], Operations: ['59-20=39', '72-70=2'] Exploring Operation: 39*2=78, Resulting Numbers: [78] 78,37 unequal: No Solution Exploring Operation: 39+2=41, Resulting Numbers: [41] 41,37 unequal: No Solution Exploring Operation: 39-2=37, Resulting Numbers: [37] 37,37 equal: Goal Reached Moving to Node #0 Current State: 37:[20, 70, 72, 59], Operations: [] Exploring Operation: 59-20=39, Resulting Numbers: [70, 72, 39] Generated Node #0,2: 37:[70, 72, 39] Operation: 59-20=39 Moving to Node #0,2 Current State: 37:[70, 72, 39], Operations: ['59-20=39'] Exploring Operation: 72-70=2, Resulting Numbers: [39, 2] Generated Node #0,2,0: 37:[39, 2] Operation: 72-70=2 Moving to Node #0,2,0 Current State: 37:[39, 2], Operations: ['59-20=39', '72-70=2'] Exploring Operation: 39-2=37, Resulting Numbers: [37] 37,37 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.967014
hs_5
mult_heuristic
[ 50, 49, 3, 32 ]
93
[ "50-49=1", "32-1=31", "3*31=93" ]
Current State: 93:[50, 49, 3, 32], Operations: [] Exploring Operation: 50-49=1, Resulting Numbers: [3, 32, 1] Generated Node #2: [3, 32, 1] from Operation: 50-49=1 Current State: 93:[3, 32, 1], Operations: ['50-49=1'] Exploring Operation: 32-1=31, Resulting Numbers: [3, 31] Generated Node #3: [3, 31] from Operation: 32-1=31 Current State: 93:[3, 31], Operations: ['50-49=1', '32-1=31'] Exploring Operation: 3*31=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
4
Current State: 93:[50, 49, 3, 32], Operations: [] Exploring Operation: 50+32=82, Resulting Numbers: [49, 3, 82] Generated Node #0,0: 93:[49, 3, 82] Operation: 50+32=82 Exploring Operation: 50-49=1, Resulting Numbers: [3, 32, 1] Generated Node #0,1: 93:[3, 32, 1] Operation: 50-49=1 Exploring Operation: 50+49=99, Resulting Numbers: [3, 32, 99] Generated Node #0,2: 93:[3, 32, 99] Operation: 50+49=99 Exploring Operation: 49+32=81, Resulting Numbers: [50, 3, 81] Generated Node #0,3: 93:[50, 3, 81] Operation: 49+32=81 Exploring Operation: 50-32=18, Resulting Numbers: [49, 3, 18] Generated Node #0,4: 93:[49, 3, 18] Operation: 50-32=18 Moving to Node #0,1 Current State: 93:[3, 32, 1], Operations: ['50-49=1'] Exploring Operation: 3/1=3, Resulting Numbers: [32, 3] Generated Node #0,1,0: 93:[32, 3] Operation: 3/1=3 Exploring Operation: 32/1=32, Resulting Numbers: [3, 32] Generated Node #0,1,1: 93:[3, 32] Operation: 32/1=32 Exploring Operation: 3*1=3, Resulting Numbers: [32, 3] Generated Node #0,1,2: 93:[32, 3] Operation: 3*1=3 Exploring Operation: 32-1=31, Resulting Numbers: [3, 31] Generated Node #0,1,3: 93:[3, 31] Operation: 32-1=31 Exploring Operation: 32*1=32, Resulting Numbers: [3, 32] Generated Node #0,1,4: 93:[3, 32] Operation: 32*1=32 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 93:[3, 31], Operations: ['50-49=1', '32-1=31'] Exploring Operation: 3*31=93, Resulting Numbers: [93] 93,93 equal: Goal Reached Moving to Node #0 Current State: 93:[50, 49, 3, 32], Operations: [] Exploring Operation: 50-49=1, Resulting Numbers: [3, 32, 1] Generated Node #0,1: 93:[3, 32, 1] Operation: 50-49=1 Moving to Node #0,1 Current State: 93:[3, 32, 1], Operations: ['50-49=1'] Exploring Operation: 32-1=31, Resulting Numbers: [3, 31] Generated Node #0,1,3: 93:[3, 31] Operation: 32-1=31 Moving to Node #0,1,3 Current State: 93:[3, 31], Operations: ['50-49=1', '32-1=31'] Exploring Operation: 3*31=93, Resulting Numbers: [93] 93,93 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_5
sum_heuristic
[ 9, 67, 15, 66 ]
72
[ "9+66=75", "75/15=5", "67+5=72" ]
Current State: 72:[9, 67, 15, 66], Operations: [] Exploring Operation: 9+66=75, Resulting Numbers: [67, 15, 75] Generated Node #2: [67, 15, 75] from Operation: 9+66=75 Current State: 72:[67, 15, 75], Operations: ['9+66=75'] Exploring Operation: 75/15=5, Resulting Numbers: [67, 5] Generated Node #3: [67, 5] from Operation: 75/15=5 Current State: 72:[67, 5], Operations: ['9+66=75', '75/15=5'] Exploring Operation: 67+5=72, Resulting Numbers: [72] 72,72 equal: Goal Reached
4
Current State: 72:[9, 67, 15, 66], Operations: [] Exploring Operation: 67-66=1, Resulting Numbers: [9, 15, 1] Generated Node #0,0: 72:[9, 15, 1] Operation: 67-66=1 Exploring Operation: 9+15=24, Resulting Numbers: [67, 66, 24] Generated Node #0,1: 72:[67, 66, 24] Operation: 9+15=24 Exploring Operation: 9+67=76, Resulting Numbers: [15, 66, 76] Generated Node #0,2: 72:[15, 66, 76] Operation: 9+67=76 Exploring Operation: 15-9=6, Resulting Numbers: [67, 66, 6] Generated Node #0,3: 72:[67, 66, 6] Operation: 15-9=6 Exploring Operation: 9+66=75, Resulting Numbers: [67, 15, 75] Generated Node #0,4: 72:[67, 15, 75] Operation: 9+66=75 Start Sub Search at level 1: Moving to Node #0,0 Current State: 72:[9, 15, 1], Operations: ['67-66=1'] Exploring Operation: 15-1=14, Resulting Numbers: [9, 14] Generated Node #0,0,0: 72:[9, 14] Operation: 15-1=14 Exploring Operation: 9*1=9, Resulting Numbers: [15, 9] Generated Node #0,0,1: 72:[15, 9] Operation: 9*1=9 Exploring Operation: 9+15=24, Resulting Numbers: [1, 24] Generated Node #0,0,2: 72:[1, 24] Operation: 9+15=24 Exploring Operation: 15-9=6, Resulting Numbers: [1, 6] Generated Node #0,0,3: 72:[1, 6] Operation: 15-9=6 Exploring Operation: 15+1=16, Resulting Numbers: [9, 16] Generated Node #0,0,4: 72:[9, 16] Operation: 15+1=16 Moving to Node #0,0,2 Current State: 72:[1, 24], Operations: ['67-66=1', '9+15=24'] Exploring Operation: 24-1=23, Resulting Numbers: [23] 23,72 unequal: No Solution Exploring Operation: 1*24=24, Resulting Numbers: [24] 24,72 unequal: No Solution Exploring Operation: 1+24=25, Resulting Numbers: [25] 25,72 unequal: No Solution Exploring Operation: 24/1=24, Resulting Numbers: [24] 24,72 unequal: No Solution Moving to Node #0,0,3 Current State: 72:[1, 6], Operations: ['67-66=1', '15-9=6'] Exploring Operation: 1*6=6, Resulting Numbers: [6] 6,72 unequal: No Solution Exploring Operation: 6-1=5, Resulting Numbers: [5] 5,72 unequal: No Solution Exploring Operation: 1+6=7, Resulting Numbers: [7] 7,72 unequal: No Solution Exploring Operation: 6/1=6, Resulting Numbers: [6] 6,72 unequal: No Solution Moving to Node #0,0,0 Current State: 72:[9, 14], Operations: ['67-66=1', '15-1=14'] Exploring Operation: 9+14=23, Resulting Numbers: [23] 23,72 unequal: No Solution Exploring Operation: 14-9=5, Resulting Numbers: [5] 5,72 unequal: No Solution Exploring Operation: 9*14=126, Resulting Numbers: [126] 126,72 unequal: No Solution Moving to Node #0,0,4 Current State: 72:[9, 16], Operations: ['67-66=1', '15+1=16'] Exploring Operation: 9*16=144, Resulting Numbers: [144] 144,72 unequal: No Solution Exploring Operation: 9+16=25, Resulting Numbers: [25] 25,72 unequal: No Solution Exploring Operation: 16-9=7, Resulting Numbers: [7] 7,72 unequal: No Solution Moving to Node #0,0,1 Current State: 72:[15, 9], Operations: ['67-66=1', '9*1=9'] Exploring Operation: 15*9=135, Resulting Numbers: [135] 135,72 unequal: No Solution Exploring Operation: 15+9=24, Resulting Numbers: [24] 24,72 unequal: No Solution Exploring Operation: 15-9=6, Resulting Numbers: [6] 6,72 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 72:[67, 66, 24], Operations: ['9+15=24'] Exploring Operation: 66-24=42, Resulting Numbers: [67, 42] Generated Node #0,1,0: 72:[67, 42] Operation: 66-24=42 Exploring Operation: 67+24=91, Resulting Numbers: [66, 91] Generated Node #0,1,1: 72:[66, 91] Operation: 67+24=91 Exploring Operation: 66+24=90, Resulting Numbers: [67, 90] Generated Node #0,1,2: 72:[67, 90] Operation: 66+24=90 Exploring Operation: 67-66=1, Resulting Numbers: [24, 1] Generated Node #0,1,3: 72:[24, 1] Operation: 67-66=1 Exploring Operation: 67-24=43, Resulting Numbers: [66, 43] Generated Node #0,1,4: 72:[66, 43] Operation: 67-24=43 Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 72:[24, 1], Operations: ['9+15=24', '67-66=1'] Exploring Operation: 24-1=23, Resulting Numbers: [23] 23,72 unequal: No Solution Exploring Operation: 24*1=24, Resulting Numbers: [24] 24,72 unequal: No Solution Exploring Operation: 24/1=24, Resulting Numbers: [24] 24,72 unequal: No Solution Exploring Operation: 24+1=25, Resulting Numbers: [25] 25,72 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 72:[67, 42], Operations: ['9+15=24', '66-24=42'] Exploring Operation: 67-42=25, Resulting Numbers: [25] 25,72 unequal: No Solution Exploring Operation: 67*42=2814, Resulting Numbers: [2814] 2814,72 unequal: No Solution Exploring Operation: 67+42=109, Resulting Numbers: [109] 109,72 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 72:[66, 43], Operations: ['9+15=24', '67-24=43'] Exploring Operation: 66-43=23, Resulting Numbers: [23] 23,72 unequal: No Solution Exploring Operation: 66*43=2838, Resulting Numbers: [2838] 2838,72 unequal: No Solution Exploring Operation: 66+43=109, Resulting Numbers: [109] 109,72 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 72:[67, 90], Operations: ['9+15=24', '66+24=90'] Exploring Operation: 90-67=23, Resulting Numbers: [23] 23,72 unequal: No Solution Exploring Operation: 67*90=6030, Resulting Numbers: [6030] 6030,72 unequal: No Solution Exploring Operation: 67+90=157, Resulting Numbers: [157] 157,72 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 72:[66, 91], Operations: ['9+15=24', '67+24=91'] Exploring Operation: 66+91=157, Resulting Numbers: [157] 157,72 unequal: No Solution Exploring Operation: 66*91=6006, Resulting Numbers: [6006] 6006,72 unequal: No Solution Exploring Operation: 91-66=25, Resulting Numbers: [25] 25,72 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 72:[67, 66, 6], Operations: ['15-9=6'] Exploring Operation: 67+6=73, Resulting Numbers: [66, 73] Generated Node #0,3,0: 72:[66, 73] Operation: 67+6=73 Exploring Operation: 67-6=61, Resulting Numbers: [66, 61] Generated Node #0,3,1: 72:[66, 61] Operation: 67-6=61 Exploring Operation: 67-66=1, Resulting Numbers: [6, 1] Generated Node #0,3,2: 72:[6, 1] Operation: 67-66=1 Exploring Operation: 66+6=72, Resulting Numbers: [67, 72] Generated Node #0,3,3: 72:[67, 72] Operation: 66+6=72 Exploring Operation: 66/6=11, Resulting Numbers: [67, 11] Generated Node #0,3,4: 72:[67, 11] Operation: 66/6=11 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 72:[6, 1], Operations: ['15-9=6', '67-66=1'] Exploring Operation: 6/1=6, Resulting Numbers: [6] 6,72 unequal: No Solution Exploring Operation: 6-1=5, Resulting Numbers: [5] 5,72 unequal: No Solution Exploring Operation: 6+1=7, Resulting Numbers: [7] 7,72 unequal: No Solution Exploring Operation: 6*1=6, Resulting Numbers: [6] 6,72 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 72:[67, 72], Operations: ['15-9=6', '66+6=72'] Exploring Operation: 72-67=5, Resulting Numbers: [5] 5,72 unequal: No Solution Exploring Operation: 67*72=4824, Resulting Numbers: [4824] 4824,72 unequal: No Solution Exploring Operation: 67+72=139, Resulting Numbers: [139] 139,72 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 72:[67, 11], Operations: ['15-9=6', '66/6=11'] Exploring Operation: 67-11=56, Resulting Numbers: [56] 56,72 unequal: No Solution Exploring Operation: 67+11=78, Resulting Numbers: [78] 78,72 unequal: No Solution Exploring Operation: 67*11=737, Resulting Numbers: [737] 737,72 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 72:[66, 73], Operations: ['15-9=6', '67+6=73'] Exploring Operation: 73-66=7, Resulting Numbers: [7] 7,72 unequal: No Solution Exploring Operation: 66*73=4818, Resulting Numbers: [4818] 4818,72 unequal: No Solution Exploring Operation: 66+73=139, Resulting Numbers: [139] 139,72 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 72:[66, 61], Operations: ['15-9=6', '67-6=61'] Exploring Operation: 66-61=5, Resulting Numbers: [5] 5,72 unequal: No Solution Exploring Operation: 66*61=4026, Resulting Numbers: [4026] 4026,72 unequal: No Solution Exploring Operation: 66+61=127, Resulting Numbers: [127] 127,72 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 72:[67, 15, 75], Operations: ['9+66=75'] Exploring Operation: 75-15=60, Resulting Numbers: [67, 60] Generated Node #0,4,0: 72:[67, 60] Operation: 75-15=60 Exploring Operation: 67-15=52, Resulting Numbers: [75, 52] Generated Node #0,4,1: 72:[75, 52] Operation: 67-15=52 Exploring Operation: 67+15=82, Resulting Numbers: [75, 82] Generated Node #0,4,2: 72:[75, 82] Operation: 67+15=82 Exploring Operation: 75/15=5, Resulting Numbers: [67, 5] Generated Node #0,4,3: 72:[67, 5] Operation: 75/15=5 Exploring Operation: 75-67=8, Resulting Numbers: [15, 8] Generated Node #0,4,4: 72:[15, 8] Operation: 75-67=8 Moving to Node #0,4,4 Current State: 72:[15, 8], Operations: ['9+66=75', '75-67=8'] Exploring Operation: 15*8=120, Resulting Numbers: [120] 120,72 unequal: No Solution Exploring Operation: 15+8=23, Resulting Numbers: [23] 23,72 unequal: No Solution Exploring Operation: 15-8=7, Resulting Numbers: [7] 7,72 unequal: No Solution Moving to Node #0,4,3 Current State: 72:[67, 5], Operations: ['9+66=75', '75/15=5'] Exploring Operation: 67+5=72, Resulting Numbers: [72] 72,72 equal: Goal Reached Moving to Node #0 Current State: 72:[9, 67, 15, 66], Operations: [] Exploring Operation: 9+66=75, Resulting Numbers: [67, 15, 75] Generated Node #0,4: 72:[67, 15, 75] Operation: 9+66=75 Moving to Node #0,4 Current State: 72:[67, 15, 75], Operations: ['9+66=75'] Exploring Operation: 75/15=5, Resulting Numbers: [67, 5] Generated Node #0,4,3: 72:[67, 5] Operation: 75/15=5 Moving to Node #0,4,3 Current State: 72:[67, 5], Operations: ['9+66=75', '75/15=5'] Exploring Operation: 67+5=72, Resulting Numbers: [72] 72,72 equal: Goal Reached Exit Sub Search at level 1
0.928819
hs_5
mult_heuristic
[ 39, 65, 52, 21 ]
42
[ "39+65=104", "104/52=2", "21*2=42" ]
Current State: 42:[39, 65, 52, 21], Operations: [] Exploring Operation: 39+65=104, Resulting Numbers: [52, 21, 104] Generated Node #2: [52, 21, 104] from Operation: 39+65=104 Current State: 42:[52, 21, 104], Operations: ['39+65=104'] Exploring Operation: 104/52=2, Resulting Numbers: [21, 2] Generated Node #3: [21, 2] from Operation: 104/52=2 Current State: 42:[21, 2], Operations: ['39+65=104', '104/52=2'] Exploring Operation: 21*2=42, Resulting Numbers: [42] 42,42 equal: Goal Reached
4
Current State: 42:[39, 65, 52, 21], Operations: [] Exploring Operation: 65-52=13, Resulting Numbers: [39, 21, 13] Generated Node #0,0: 42:[39, 21, 13] Operation: 65-52=13 Start Sub Search at level 1: Moving to Node #0,0 Current State: 42:[39, 21, 13], Operations: ['65-52=13'] Exploring Operation: 39/13=3, Resulting Numbers: [21, 3] Generated Node #0,0,0: 42:[21, 3] Operation: 39/13=3 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 42:[21, 3], Operations: ['65-52=13', '39/13=3'] Exploring Operation: 21/3=7, Resulting Numbers: [7] 7,42 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
[ 53, 15, 13, 28 ]
83
[ "53+15=68", "28-13=15", "68+15=83" ]
Current State: 83:[53, 15, 13, 28], Operations: [] Exploring Operation: 53+15=68, Resulting Numbers: [13, 28, 68] Generated Node #2: [13, 28, 68] from Operation: 53+15=68 Current State: 83:[13, 28, 68], Operations: ['53+15=68'] Exploring Operation: 28-13=15, Resulting Numbers: [68, 15] Generated Node #3: [68, 15] from Operation: 28-13=15 Current State: 83:[68, 15], Operations: ['53+15=68', '28-13=15'] Exploring Operation: 68+15=83, Resulting Numbers: [83] 83,83 equal: Goal Reached
4
Current State: 83:[53, 15, 13, 28], Operations: [] Exploring Operation: 53+15=68, Resulting Numbers: [13, 28, 68] Generated Node #0,0: 83:[13, 28, 68] Operation: 53+15=68 Exploring Operation: 53+28=81, Resulting Numbers: [15, 13, 81] Generated Node #0,1: 83:[15, 13, 81] Operation: 53+28=81 Exploring Operation: 53+13=66, Resulting Numbers: [15, 28, 66] Generated Node #0,2: 83:[15, 28, 66] Operation: 53+13=66 Start Sub Search at level 1: Moving to Node #0,0 Current State: 83:[13, 28, 68], Operations: ['53+15=68'] Exploring Operation: 13+28=41, Resulting Numbers: [68, 41] Generated Node #0,0,0: 83:[68, 41] Operation: 13+28=41 Exploring Operation: 13+68=81, Resulting Numbers: [28, 81] Generated Node #0,0,1: 83:[28, 81] Operation: 13+68=81 Exploring Operation: 28-13=15, Resulting Numbers: [68, 15] Generated Node #0,0,2: 83:[68, 15] Operation: 28-13=15 Moving to Node #0,0,0 Current State: 83:[68, 41], Operations: ['53+15=68', '13+28=41'] Exploring Operation: 68*41=2788, Resulting Numbers: [2788] 2788,83 unequal: No Solution Exploring Operation: 68+41=109, Resulting Numbers: [109] 109,83 unequal: No Solution Exploring Operation: 68-41=27, Resulting Numbers: [27] 27,83 unequal: No Solution Moving to Node #0,0,1 Current State: 83:[28, 81], Operations: ['53+15=68', '13+68=81'] Exploring Operation: 28*81=2268, Resulting Numbers: [2268] 2268,83 unequal: No Solution Exploring Operation: 81-28=53, Resulting Numbers: [53] 53,83 unequal: No Solution Exploring Operation: 28+81=109, Resulting Numbers: [109] 109,83 unequal: No Solution Moving to Node #0,0,2 Current State: 83:[68, 15], Operations: ['53+15=68', '28-13=15'] Exploring Operation: 68-15=53, Resulting Numbers: [53] 53,83 unequal: No Solution Exploring Operation: 68+15=83, Resulting Numbers: [83] 83,83 equal: Goal Reached Moving to Node #0 Current State: 83:[53, 15, 13, 28], Operations: [] Exploring Operation: 53+15=68, Resulting Numbers: [13, 28, 68] Generated Node #0,0: 83:[13, 28, 68] Operation: 53+15=68 Moving to Node #0,0 Current State: 83:[13, 28, 68], Operations: ['53+15=68'] Exploring Operation: 28-13=15, Resulting Numbers: [68, 15] Generated Node #0,0,2: 83:[68, 15] Operation: 28-13=15 Moving to Node #0,0,2 Current State: 83:[68, 15], Operations: ['53+15=68', '28-13=15'] Exploring Operation: 68+15=83, Resulting Numbers: [83] 83,83 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_3
sum_heuristic
[ 44, 1, 28, 95 ]
78
[ "44+1=45", "28+95=123", "123-45=78" ]
Current State: 78:[44, 1, 28, 95], Operations: [] Exploring Operation: 44+1=45, Resulting Numbers: [28, 95, 45] Generated Node #2: [28, 95, 45] from Operation: 44+1=45 Current State: 78:[28, 95, 45], Operations: ['44+1=45'] Exploring Operation: 28+95=123, Resulting Numbers: [45, 123] Generated Node #3: [45, 123] from Operation: 28+95=123 Current State: 78:[45, 123], Operations: ['44+1=45', '28+95=123'] Exploring Operation: 123-45=78, Resulting Numbers: [78] 78,78 equal: Goal Reached
4
Current State: 78:[44, 1, 28, 95], Operations: [] Exploring Operation: 95-44=51, Resulting Numbers: [1, 28, 51] Generated Node #0,0: 78:[1, 28, 51] Operation: 95-44=51 Exploring Operation: 44-28=16, Resulting Numbers: [1, 95, 16] Generated Node #0,1: 78:[1, 95, 16] Operation: 44-28=16 Exploring Operation: 95-28=67, Resulting Numbers: [44, 1, 67] Generated Node #0,2: 78:[44, 1, 67] Operation: 95-28=67 Start Sub Search at level 1: Moving to Node #0,0 Current State: 78:[1, 28, 51], Operations: ['95-44=51'] Exploring Operation: 28-1=27, Resulting Numbers: [51, 27] Generated Node #0,0,0: 78:[51, 27] Operation: 28-1=27 Exploring Operation: 51-28=23, Resulting Numbers: [1, 23] Generated Node #0,0,1: 78:[1, 23] Operation: 51-28=23 Exploring Operation: 28+51=79, Resulting Numbers: [1, 79] Generated Node #0,0,2: 78:[1, 79] Operation: 28+51=79 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 78:[1, 79], Operations: ['95-44=51', '28+51=79'] Exploring Operation: 79/1=79, Resulting Numbers: [79] 79,78 unequal: No Solution Exploring Operation: 79-1=78, Resulting Numbers: [78] 78,78 equal: Goal Reached Moving to Node #0 Current State: 78:[44, 1, 28, 95], Operations: [] Exploring Operation: 95-44=51, Resulting Numbers: [1, 28, 51] Generated Node #0,0: 78:[1, 28, 51] Operation: 95-44=51 Moving to Node #0,0 Current State: 78:[1, 28, 51], Operations: ['95-44=51'] Exploring Operation: 28+51=79, Resulting Numbers: [1, 79] Generated Node #0,0,2: 78:[1, 79] Operation: 28+51=79 Moving to Node #0,0,2 Current State: 78:[1, 79], Operations: ['95-44=51', '28+51=79'] Exploring Operation: 79-1=78, Resulting Numbers: [78] 78,78 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.989583
hs_3
sum_heuristic
[ 90, 2, 55, 71 ]
72
[ "90-2=88", "71-55=16", "88-16=72" ]
Current State: 72:[90, 2, 55, 71], Operations: [] Exploring Operation: 90-2=88, Resulting Numbers: [55, 71, 88] Generated Node #2: [55, 71, 88] from Operation: 90-2=88 Current State: 72:[55, 71, 88], Operations: ['90-2=88'] Exploring Operation: 71-55=16, Resulting Numbers: [88, 16] Generated Node #3: [88, 16] from Operation: 71-55=16 Current State: 72:[88, 16], Operations: ['90-2=88', '71-55=16'] Exploring Operation: 88-16=72, Resulting Numbers: [72] 72,72 equal: Goal Reached
4
Current State: 72:[90, 2, 55, 71], Operations: [] Exploring Operation: 90-71=19, Resulting Numbers: [2, 55, 19] Generated Node #0,0: 72:[2, 55, 19] Operation: 90-71=19 Exploring Operation: 71-55=16, Resulting Numbers: [90, 2, 16] Generated Node #0,1: 72:[90, 2, 16] Operation: 71-55=16 Exploring Operation: 90-55=35, Resulting Numbers: [2, 71, 35] Generated Node #0,2: 72:[2, 71, 35] Operation: 90-55=35 Exploring Operation: 90/2=45, Resulting Numbers: [55, 71, 45] Generated Node #0,3: 72:[55, 71, 45] Operation: 90/2=45 Moving to Node #0,2 Current State: 72:[2, 71, 35], Operations: ['90-55=35'] Exploring Operation: 2+71=73, Resulting Numbers: [35, 73] Generated Node #0,2,0: 72:[35, 73] Operation: 2+71=73 Exploring Operation: 71-35=36, Resulting Numbers: [2, 36] Generated Node #0,2,1: 72:[2, 36] Operation: 71-35=36 Exploring Operation: 2+35=37, Resulting Numbers: [71, 37] Generated Node #0,2,2: 72:[71, 37] Operation: 2+35=37 Exploring Operation: 2*35=70, Resulting Numbers: [71, 70] Generated Node #0,2,3: 72:[71, 70] Operation: 2*35=70 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 72:[2, 36], Operations: ['90-55=35', '71-35=36'] Exploring Operation: 36/2=18, Resulting Numbers: [18] 18,72 unequal: No Solution Exploring Operation: 36-2=34, Resulting Numbers: [34] 34,72 unequal: No Solution Exploring Operation: 2*36=72, Resulting Numbers: [72] 72,72 equal: Goal Reached Moving to Node #0 Current State: 72:[90, 2, 55, 71], Operations: [] Exploring Operation: 90-55=35, Resulting Numbers: [2, 71, 35] Generated Node #0,2: 72:[2, 71, 35] Operation: 90-55=35 Moving to Node #0,2 Current State: 72:[2, 71, 35], Operations: ['90-55=35'] Exploring Operation: 71-35=36, Resulting Numbers: [2, 36] Generated Node #0,2,1: 72:[2, 36] Operation: 71-35=36 Moving to Node #0,2,1 Current State: 72:[2, 36], Operations: ['90-55=35', '71-35=36'] Exploring Operation: 2*36=72, Resulting Numbers: [72] 72,72 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_4
mult_heuristic
[ 57, 15, 75, 72 ]
19
[ "75-57=18", "72/18=4", "15+4=19" ]
Current State: 19:[57, 15, 75, 72], Operations: [] Exploring Operation: 75-57=18, Resulting Numbers: [15, 72, 18] Generated Node #2: [15, 72, 18] from Operation: 75-57=18 Current State: 19:[15, 72, 18], Operations: ['75-57=18'] Exploring Operation: 72/18=4, Resulting Numbers: [15, 4] Generated Node #3: [15, 4] from Operation: 72/18=4 Current State: 19:[15, 4], Operations: ['75-57=18', '72/18=4'] Exploring Operation: 15+4=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
4
Current State: 19:[57, 15, 75, 72], Operations: [] Exploring Operation: 72-57=15, Resulting Numbers: [15, 75, 15] Generated Node #0,0: 19:[15, 75, 15] Operation: 72-57=15 Exploring Operation: 75-72=3, Resulting Numbers: [57, 15, 3] Generated Node #0,1: 19:[57, 15, 3] Operation: 75-72=3 Exploring Operation: 75/15=5, Resulting Numbers: [57, 72, 5] Generated Node #0,2: 19:[57, 72, 5] Operation: 75/15=5 Exploring Operation: 57-15=42, Resulting Numbers: [75, 72, 42] Generated Node #0,3: 19:[75, 72, 42] Operation: 57-15=42 Exploring Operation: 75-57=18, Resulting Numbers: [15, 72, 18] Generated Node #0,4: 19:[15, 72, 18] Operation: 75-57=18 Moving to Node #0,1 Current State: 19:[57, 15, 3], Operations: ['75-72=3'] Exploring Operation: 15+3=18, Resulting Numbers: [57, 18] Generated Node #0,1,0: 19:[57, 18] Operation: 15+3=18 Exploring Operation: 57/3=19, Resulting Numbers: [15, 19] Generated Node #0,1,1: 19:[15, 19] Operation: 57/3=19 Exploring Operation: 57+3=60, Resulting Numbers: [15, 60] Generated Node #0,1,2: 19:[15, 60] Operation: 57+3=60 Exploring Operation: 57-15=42, Resulting Numbers: [3, 42] Generated Node #0,1,3: 19:[3, 42] Operation: 57-15=42 Exploring Operation: 57-3=54, Resulting Numbers: [15, 54] Generated Node #0,1,4: 19:[15, 54] Operation: 57-3=54 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 19:[15, 19], Operations: ['75-72=3', '57/3=19'] Exploring Operation: 15+19=34, Resulting Numbers: [34] 34,19 unequal: No Solution Exploring Operation: 19-15=4, Resulting Numbers: [4] 4,19 unequal: No Solution Exploring Operation: 15*19=285, Resulting Numbers: [285] 285,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 19:[57, 18], Operations: ['75-72=3', '15+3=18'] Exploring Operation: 57*18=1026, Resulting Numbers: [1026] 1026,19 unequal: No Solution Exploring Operation: 57+18=75, Resulting Numbers: [75] 75,19 unequal: No Solution Exploring Operation: 57-18=39, Resulting Numbers: [39] 39,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 19:[3, 42], Operations: ['75-72=3', '57-15=42'] Exploring Operation: 42/3=14, Resulting Numbers: [14] 14,19 unequal: No Solution Exploring Operation: 42-3=39, Resulting Numbers: [39] 39,19 unequal: No Solution Exploring Operation: 3*42=126, Resulting Numbers: [126] 126,19 unequal: No Solution Exploring Operation: 3+42=45, Resulting Numbers: [45] 45,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 19:[15, 54], Operations: ['75-72=3', '57-3=54'] Exploring Operation: 54-15=39, Resulting Numbers: [39] 39,19 unequal: No Solution Exploring Operation: 15*54=810, Resulting Numbers: [810] 810,19 unequal: No Solution Exploring Operation: 15+54=69, Resulting Numbers: [69] 69,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 19:[15, 60], Operations: ['75-72=3', '57+3=60'] Exploring Operation: 60/15=4, Resulting Numbers: [4] 4,19 unequal: No Solution Exploring Operation: 60-15=45, Resulting Numbers: [45] 45,19 unequal: No Solution Exploring Operation: 15+60=75, Resulting Numbers: [75] 75,19 unequal: No Solution Exploring Operation: 15*60=900, Resulting Numbers: [900] 900,19 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: 19:[15, 72, 18], Operations: ['75-57=18'] Exploring Operation: 72-15=57, Resulting Numbers: [18, 57] Generated Node #0,4,0: 19:[18, 57] Operation: 72-15=57 Exploring Operation: 72-18=54, Resulting Numbers: [15, 54] Generated Node #0,4,1: 19:[15, 54] Operation: 72-18=54 Exploring Operation: 72/18=4, Resulting Numbers: [15, 4] Generated Node #0,4,2: 19:[15, 4] Operation: 72/18=4 Exploring Operation: 15+72=87, Resulting Numbers: [18, 87] Generated Node #0,4,3: 19:[18, 87] Operation: 15+72=87 Exploring Operation: 15+18=33, Resulting Numbers: [72, 33] Generated Node #0,4,4: 19:[72, 33] Operation: 15+18=33 Moving to Node #0,0 Current State: 19:[15, 75, 15], Operations: ['72-57=15'] Exploring Operation: 75-15=60, Resulting Numbers: [15, 60] Generated Node #0,0,0: 19:[15, 60] Operation: 75-15=60 Exploring Operation: 75/15=5, Resulting Numbers: [15, 5] Generated Node #0,0,1: 19:[15, 5] Operation: 75/15=5 Exploring Operation: 75/15=5, Resulting Numbers: [15, 5] Generated Node #0,0,2: 19:[15, 5] Operation: 75/15=5 Exploring Operation: 75-15=60, Resulting Numbers: [15, 60] Generated Node #0,0,3: 19:[15, 60] Operation: 75-15=60 Exploring Operation: 15+15=30, Resulting Numbers: [75, 30] Generated Node #0,0,4: 19:[75, 30] Operation: 15+15=30 Moving to Node #0,2 Current State: 19:[57, 72, 5], Operations: ['75/15=5'] Exploring Operation: 57-5=52, Resulting Numbers: [72, 52] Generated Node #0,2,0: 19:[72, 52] Operation: 57-5=52 Exploring Operation: 72+5=77, Resulting Numbers: [57, 77] Generated Node #0,2,1: 19:[57, 77] Operation: 72+5=77 Exploring Operation: 57+5=62, Resulting Numbers: [72, 62] Generated Node #0,2,2: 19:[72, 62] Operation: 57+5=62 Exploring Operation: 72-57=15, Resulting Numbers: [5, 15] Generated Node #0,2,3: 19:[5, 15] Operation: 72-57=15 Exploring Operation: 72-5=67, Resulting Numbers: [57, 67] Generated Node #0,2,4: 19:[57, 67] Operation: 72-5=67 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 19:[5, 15], Operations: ['75/15=5', '72-57=15'] Exploring Operation: 15/5=3, Resulting Numbers: [3] 3,19 unequal: No Solution Exploring Operation: 5*15=75, Resulting Numbers: [75] 75,19 unequal: No Solution Exploring Operation: 5+15=20, Resulting Numbers: [20] 20,19 unequal: No Solution Exploring Operation: 15-5=10, Resulting Numbers: [10] 10,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 19:[72, 52], Operations: ['75/15=5', '57-5=52'] Exploring Operation: 72*52=3744, Resulting Numbers: [3744] 3744,19 unequal: No Solution Exploring Operation: 72+52=124, Resulting Numbers: [124] 124,19 unequal: No Solution Exploring Operation: 72-52=20, Resulting Numbers: [20] 20,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 19:[57, 67], Operations: ['75/15=5', '72-5=67'] Exploring Operation: 57*67=3819, Resulting Numbers: [3819] 3819,19 unequal: No Solution Exploring Operation: 57+67=124, Resulting Numbers: [124] 124,19 unequal: No Solution Exploring Operation: 67-57=10, Resulting Numbers: [10] 10,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 19:[57, 77], Operations: ['75/15=5', '72+5=77'] Exploring Operation: 77-57=20, Resulting Numbers: [20] 20,19 unequal: No Solution Exploring Operation: 57*77=4389, Resulting Numbers: [4389] 4389,19 unequal: No Solution Exploring Operation: 57+77=134, Resulting Numbers: [134] 134,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 19:[72, 62], Operations: ['75/15=5', '57+5=62'] Exploring Operation: 72+62=134, Resulting Numbers: [134] 134,19 unequal: No Solution Exploring Operation: 72*62=4464, Resulting Numbers: [4464] 4464,19 unequal: No Solution Exploring Operation: 72-62=10, Resulting Numbers: [10] 10,19 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: 19:[75, 72, 42], Operations: ['57-15=42'] Exploring Operation: 75+72=147, Resulting Numbers: [42, 147] Generated Node #0,3,0: 19:[42, 147] Operation: 75+72=147 Exploring Operation: 75-72=3, Resulting Numbers: [42, 3] Generated Node #0,3,1: 19:[42, 3] Operation: 75-72=3 Exploring Operation: 72-42=30, Resulting Numbers: [75, 30] Generated Node #0,3,2: 19:[75, 30] Operation: 72-42=30 Exploring Operation: 75-42=33, Resulting Numbers: [72, 33] Generated Node #0,3,3: 19:[72, 33] Operation: 75-42=33 Exploring Operation: 75+42=117, Resulting Numbers: [72, 117] Generated Node #0,3,4: 19:[72, 117] Operation: 75+42=117 Moving to Node #0,0,1 Current State: 19:[15, 5], Operations: ['72-57=15', '75/15=5'] Exploring Operation: 15-5=10, Resulting Numbers: [10] 10,19 unequal: No Solution Exploring Operation: 15/5=3, Resulting Numbers: [3] 3,19 unequal: No Solution Exploring Operation: 15+5=20, Resulting Numbers: [20] 20,19 unequal: No Solution Exploring Operation: 15*5=75, Resulting Numbers: [75] 75,19 unequal: No Solution Moving to Node #0,0,2 Current State: 19:[15, 5], Operations: ['72-57=15', '75/15=5'] Exploring Operation: 15/5=3, Resulting Numbers: [3] 3,19 unequal: No Solution Exploring Operation: 15*5=75, Resulting Numbers: [75] 75,19 unequal: No Solution Exploring Operation: 15-5=10, Resulting Numbers: [10] 10,19 unequal: No Solution Exploring Operation: 15+5=20, Resulting Numbers: [20] 20,19 unequal: No Solution Moving to Node #0,4,2 Current State: 19:[15, 4], Operations: ['75-57=18', '72/18=4'] Exploring Operation: 15-4=11, Resulting Numbers: [11] 11,19 unequal: No Solution Exploring Operation: 15*4=60, Resulting Numbers: [60] 60,19 unequal: No Solution Exploring Operation: 15+4=19, Resulting Numbers: [19] 19,19 equal: Goal Reached Moving to Node #0 Current State: 19:[57, 15, 75, 72], Operations: [] Exploring Operation: 75-57=18, Resulting Numbers: [15, 72, 18] Generated Node #0,4: 19:[15, 72, 18] Operation: 75-57=18 Moving to Node #0,4 Current State: 19:[15, 72, 18], Operations: ['75-57=18'] Exploring Operation: 72/18=4, Resulting Numbers: [15, 4] Generated Node #0,4,2: 19:[15, 4] Operation: 72/18=4 Moving to Node #0,4,2 Current State: 19:[15, 4], Operations: ['75-57=18', '72/18=4'] Exploring Operation: 15+4=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
0.932292
hs_5
sum_heuristic
[ 11, 73, 2, 15 ]
92
[ "73-11=62", "2*15=30", "62+30=92" ]
Current State: 92:[11, 73, 2, 15], Operations: [] Exploring Operation: 73-11=62, Resulting Numbers: [2, 15, 62] Generated Node #2: [2, 15, 62] from Operation: 73-11=62 Current State: 92:[2, 15, 62], Operations: ['73-11=62'] Exploring Operation: 2*15=30, Resulting Numbers: [62, 30] Generated Node #3: [62, 30] from Operation: 2*15=30 Current State: 92:[62, 30], Operations: ['73-11=62', '2*15=30'] Exploring Operation: 62+30=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
4
Current State: 92:[11, 73, 2, 15], Operations: [] Exploring Operation: 73+15=88, Resulting Numbers: [11, 2, 88] Generated Node #0,0: 92:[11, 2, 88] Operation: 73+15=88 Moving to Node #0,0 Current State: 92:[11, 2, 88], Operations: ['73+15=88'] Exploring Operation: 88/11=8, Resulting Numbers: [2, 8] Generated Node #0,0,0: 92:[2, 8] Operation: 88/11=8 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 92:[2, 8], Operations: ['73+15=88', '88/11=8'] Exploring Operation: 8/2=4, Resulting Numbers: [4] 4,92 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
[ 28, 3, 77, 29 ]
94
[ "28+29=57", "3*57=171", "171-77=94" ]
Current State: 94:[28, 3, 77, 29], Operations: [] Exploring Operation: 28+29=57, Resulting Numbers: [3, 77, 57] Generated Node #2: [3, 77, 57] from Operation: 28+29=57 Current State: 94:[3, 77, 57], Operations: ['28+29=57'] Exploring Operation: 3*57=171, Resulting Numbers: [77, 171] Generated Node #3: [77, 171] from Operation: 3*57=171 Current State: 94:[77, 171], Operations: ['28+29=57', '3*57=171'] Exploring Operation: 171-77=94, Resulting Numbers: [94] 94,94 equal: Goal Reached
4
Current State: 94:[28, 3, 77, 29], Operations: [] Exploring Operation: 77-29=48, Resulting Numbers: [28, 3, 48] Generated Node #0,0: 94:[28, 3, 48] Operation: 77-29=48 Exploring Operation: 77-28=49, Resulting Numbers: [3, 29, 49] Generated Node #0,1: 94:[3, 29, 49] Operation: 77-28=49 Exploring Operation: 28+29=57, Resulting Numbers: [3, 77, 57] Generated Node #0,2: 94:[3, 77, 57] Operation: 28+29=57 Exploring Operation: 29-28=1, Resulting Numbers: [3, 77, 1] Generated Node #0,3: 94:[3, 77, 1] Operation: 29-28=1 Start Sub Search at level 1: Moving to Node #0,3 Current State: 94:[3, 77, 1], Operations: ['29-28=1'] Exploring Operation: 77+1=78, Resulting Numbers: [3, 78] Generated Node #0,3,0: 94:[3, 78] Operation: 77+1=78 Exploring Operation: 3*1=3, Resulting Numbers: [77, 3] Generated Node #0,3,1: 94:[77, 3] Operation: 3*1=3 Exploring Operation: 3-1=2, Resulting Numbers: [77, 2] Generated Node #0,3,2: 94:[77, 2] Operation: 3-1=2 Exploring Operation: 3+77=80, Resulting Numbers: [1, 80] Generated Node #0,3,3: 94:[1, 80] Operation: 3+77=80 Moving to Node #0,3,3 Current State: 94:[1, 80], Operations: ['29-28=1', '3+77=80'] Exploring Operation: 80-1=79, Resulting Numbers: [79] 79,94 unequal: No Solution Exploring Operation: 1*80=80, Resulting Numbers: [80] 80,94 unequal: No Solution Exploring Operation: 80/1=80, Resulting Numbers: [80] 80,94 unequal: No Solution Exploring Operation: 1+80=81, Resulting Numbers: [81] 81,94 unequal: No Solution Moving to Node #0,3,2 Current State: 94:[77, 2], Operations: ['29-28=1', '3-1=2'] Exploring Operation: 77-2=75, Resulting Numbers: [75] 75,94 unequal: No Solution Exploring Operation: 77+2=79, Resulting Numbers: [79] 79,94 unequal: No Solution Exploring Operation: 77*2=154, Resulting Numbers: [154] 154,94 unequal: No Solution Moving to Node #0,3,0 Current State: 94:[3, 78], Operations: ['29-28=1', '77+1=78'] Exploring Operation: 78-3=75, Resulting Numbers: [75] 75,94 unequal: No Solution Exploring Operation: 3*78=234, Resulting Numbers: [234] 234,94 unequal: No Solution Exploring Operation: 78/3=26, Resulting Numbers: [26] 26,94 unequal: No Solution Exploring Operation: 3+78=81, Resulting Numbers: [81] 81,94 unequal: No Solution Moving to Node #0,3,1 Current State: 94:[77, 3], Operations: ['29-28=1', '3*1=3'] Exploring Operation: 77*3=231, Resulting Numbers: [231] 231,94 unequal: No Solution Exploring Operation: 77-3=74, Resulting Numbers: [74] 74,94 unequal: No Solution Exploring Operation: 77+3=80, Resulting Numbers: [80] 80,94 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 Current State: 94:[28, 3, 48], Operations: ['77-29=48'] Exploring Operation: 28*3=84, Resulting Numbers: [48, 84] Generated Node #0,0,0: 94:[48, 84] Operation: 28*3=84 Exploring Operation: 48-28=20, Resulting Numbers: [3, 20] Generated Node #0,0,1: 94:[3, 20] Operation: 48-28=20 Exploring Operation: 28+48=76, Resulting Numbers: [3, 76] Generated Node #0,0,2: 94:[3, 76] Operation: 28+48=76 Exploring Operation: 28+3=31, Resulting Numbers: [48, 31] Generated Node #0,0,3: 94:[48, 31] Operation: 28+3=31 Moving to Node #0,0,0 Current State: 94:[48, 84], Operations: ['77-29=48', '28*3=84'] Exploring Operation: 48*84=4032, Resulting Numbers: [4032] 4032,94 unequal: No Solution Exploring Operation: 48+84=132, Resulting Numbers: [132] 132,94 unequal: No Solution Exploring Operation: 84-48=36, Resulting Numbers: [36] 36,94 unequal: No Solution Moving to Node #0,0,3 Current State: 94:[48, 31], Operations: ['77-29=48', '28+3=31'] Exploring Operation: 48+31=79, Resulting Numbers: [79] 79,94 unequal: No Solution Exploring Operation: 48*31=1488, Resulting Numbers: [1488] 1488,94 unequal: No Solution Exploring Operation: 48-31=17, Resulting Numbers: [17] 17,94 unequal: No Solution Moving to Node #0,0,2 Current State: 94:[3, 76], Operations: ['77-29=48', '28+48=76'] Exploring Operation: 76-3=73, Resulting Numbers: [73] 73,94 unequal: No Solution Exploring Operation: 3+76=79, Resulting Numbers: [79] 79,94 unequal: No Solution Exploring Operation: 3*76=228, Resulting Numbers: [228] 228,94 unequal: No Solution Moving to Node #0,0,1 Current State: 94:[3, 20], Operations: ['77-29=48', '48-28=20'] Exploring Operation: 20-3=17, Resulting Numbers: [17] 17,94 unequal: No Solution Exploring Operation: 3*20=60, Resulting Numbers: [60] 60,94 unequal: No Solution Exploring Operation: 3+20=23, Resulting Numbers: [23] 23,94 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 Current State: 94:[3, 29, 49], Operations: ['77-28=49'] Exploring Operation: 29+49=78, Resulting Numbers: [3, 78] Generated Node #0,1,0: 94:[3, 78] Operation: 29+49=78 Exploring Operation: 3*29=87, Resulting Numbers: [49, 87] Generated Node #0,1,1: 94:[49, 87] Operation: 3*29=87 Exploring Operation: 3+29=32, Resulting Numbers: [49, 32] Generated Node #0,1,2: 94:[49, 32] Operation: 3+29=32 Exploring Operation: 49-3=46, Resulting Numbers: [29, 46] Generated Node #0,1,3: 94:[29, 46] Operation: 49-3=46 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 94:[49, 87], Operations: ['77-28=49', '3*29=87'] Exploring Operation: 49*87=4263, Resulting Numbers: [4263] 4263,94 unequal: No Solution Exploring Operation: 87-49=38, Resulting Numbers: [38] 38,94 unequal: No Solution Exploring Operation: 49+87=136, Resulting Numbers: [136] 136,94 unequal: No Solution No 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: 94:[3, 78], Operations: ['77-28=49', '29+49=78'] Exploring Operation: 78/3=26, Resulting Numbers: [26] 26,94 unequal: No Solution Exploring Operation: 3*78=234, Resulting Numbers: [234] 234,94 unequal: No Solution Exploring Operation: 78-3=75, Resulting Numbers: [75] 75,94 unequal: No Solution Exploring Operation: 3+78=81, Resulting Numbers: [81] 81,94 unequal: No Solution No 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: 94:[49, 32], Operations: ['77-28=49', '3+29=32'] Exploring Operation: 49+32=81, Resulting Numbers: [81] 81,94 unequal: No Solution Exploring Operation: 49-32=17, Resulting Numbers: [17] 17,94 unequal: No Solution Exploring Operation: 49*32=1568, Resulting Numbers: [1568] 1568,94 unequal: No Solution No 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: 94:[29, 46], Operations: ['77-28=49', '49-3=46'] Exploring Operation: 29+46=75, Resulting Numbers: [75] 75,94 unequal: No Solution Exploring Operation: 29*46=1334, Resulting Numbers: [1334] 1334,94 unequal: No Solution Exploring Operation: 46-29=17, Resulting Numbers: [17] 17,94 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: 94:[3, 77, 57], Operations: ['28+29=57'] Exploring Operation: 3+77=80, Resulting Numbers: [57, 80] Generated Node #0,2,0: 94:[57, 80] Operation: 3+77=80 Exploring Operation: 57-3=54, Resulting Numbers: [77, 54] Generated Node #0,2,1: 94:[77, 54] Operation: 57-3=54 Exploring Operation: 77-3=74, Resulting Numbers: [57, 74] Generated Node #0,2,2: 94:[57, 74] Operation: 77-3=74 Exploring Operation: 77-57=20, Resulting Numbers: [3, 20] Generated Node #0,2,3: 94:[3, 20] Operation: 77-57=20 Moving to Node #0,2,3 Current State: 94:[3, 20], Operations: ['28+29=57', '77-57=20'] Exploring Operation: 3*20=60, Resulting Numbers: [60] 60,94 unequal: No Solution Exploring Operation: 3+20=23, Resulting Numbers: [23] 23,94 unequal: No Solution Exploring Operation: 20-3=17, Resulting Numbers: [17] 17,94 unequal: No Solution Moving to Node #0,2,1 Current State: 94:[77, 54], Operations: ['28+29=57', '57-3=54'] Exploring Operation: 77-54=23, Resulting Numbers: [23] 23,94 unequal: No Solution Exploring Operation: 77+54=131, Resulting Numbers: [131] 131,94 unequal: No Solution Exploring Operation: 77*54=4158, Resulting Numbers: [4158] 4158,94 unequal: No Solution Moving to Node #0,2,0 Current State: 94:[57, 80], Operations: ['28+29=57', '3+77=80'] Exploring Operation: 80-57=23, Resulting Numbers: [23] 23,94 unequal: No Solution Exploring Operation: 57*80=4560, Resulting Numbers: [4560] 4560,94 unequal: No Solution Exploring Operation: 57+80=137, Resulting Numbers: [137] 137,94 unequal: No Solution Moving to Node #0,2,2 Current State: 94:[57, 74], Operations: ['28+29=57', '77-3=74'] Exploring Operation: 57*74=4218, Resulting Numbers: [4218] 4218,94 unequal: No Solution Exploring Operation: 74-57=17, Resulting Numbers: [17] 17,94 unequal: No Solution Exploring Operation: 57+74=131, Resulting Numbers: [131] 131,94 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
[ 99, 56, 48, 4 ]
95
[ "99-56=43", "48+4=52", "43+52=95" ]
Current State: 95:[99, 56, 48, 4], Operations: [] Exploring Operation: 99-56=43, Resulting Numbers: [48, 4, 43] Generated Node #2: [48, 4, 43] from Operation: 99-56=43 Current State: 95:[48, 4, 43], Operations: ['99-56=43'] Exploring Operation: 48+4=52, Resulting Numbers: [43, 52] Generated Node #3: [43, 52] from Operation: 48+4=52 Current State: 95:[43, 52], Operations: ['99-56=43', '48+4=52'] Exploring Operation: 43+52=95, Resulting Numbers: [95] 95,95 equal: Goal Reached
4
Current State: 95:[99, 56, 48, 4], Operations: [] Exploring Operation: 48/4=12, Resulting Numbers: [99, 56, 12] Generated Node #0,0: 95:[99, 56, 12] Operation: 48/4=12 Exploring Operation: 56-48=8, Resulting Numbers: [99, 4, 8] Generated Node #0,1: 95:[99, 4, 8] Operation: 56-48=8 Exploring Operation: 56/4=14, Resulting Numbers: [99, 48, 14] Generated Node #0,2: 95:[99, 48, 14] Operation: 56/4=14 Exploring Operation: 56+48=104, Resulting Numbers: [99, 4, 104] Generated Node #0,3: 95:[99, 4, 104] Operation: 56+48=104 Exploring Operation: 99-56=43, Resulting Numbers: [48, 4, 43] Generated Node #0,4: 95:[48, 4, 43] Operation: 99-56=43 Start Sub Search at level 1: Moving to Node #0,1 Current State: 95:[99, 4, 8], Operations: ['56-48=8'] Exploring Operation: 99-4=95, Resulting Numbers: [8, 95] Generated Node #0,1,0: 95:[8, 95] Operation: 99-4=95 Exploring Operation: 8/4=2, Resulting Numbers: [99, 2] Generated Node #0,1,1: 95:[99, 2] Operation: 8/4=2 Exploring Operation: 99-8=91, Resulting Numbers: [4, 91] Generated Node #0,1,2: 95:[4, 91] Operation: 99-8=91 Exploring Operation: 8-4=4, Resulting Numbers: [99, 4] Generated Node #0,1,3: 95:[99, 4] Operation: 8-4=4 Exploring Operation: 99+4=103, Resulting Numbers: [8, 103] Generated Node #0,1,4: 95:[8, 103] Operation: 99+4=103 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 95:[8, 95], Operations: ['56-48=8', '99-4=95'] Exploring Operation: 95-8=87, Resulting Numbers: [87] 87,95 unequal: No Solution Exploring Operation: 8*95=760, Resulting Numbers: [760] 760,95 unequal: No Solution Exploring Operation: 8+95=103, Resulting Numbers: [103] 103,95 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 #0,1,2 Current State: 95:[4, 91], Operations: ['56-48=8', '99-8=91'] Exploring Operation: 4+91=95, Resulting Numbers: [95] 95,95 equal: Goal Reached Moving to Node #0 Current State: 95:[99, 56, 48, 4], Operations: [] Exploring Operation: 56-48=8, Resulting Numbers: [99, 4, 8] Generated Node #0,1: 95:[99, 4, 8] Operation: 56-48=8 Moving to Node #0,1 Current State: 95:[99, 4, 8], Operations: ['56-48=8'] Exploring Operation: 99-8=91, Resulting Numbers: [4, 91] Generated Node #0,1,2: 95:[4, 91] Operation: 99-8=91 Moving to Node #0,1,2 Current State: 95:[4, 91], Operations: ['56-48=8', '99-8=91'] Exploring Operation: 4+91=95, Resulting Numbers: [95] 95,95 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.984375
hs_5
sum_heuristic
[ 17, 36, 94, 12 ]
74
[ "94-17=77", "36/12=3", "77-3=74" ]
Current State: 74:[17, 36, 94, 12], Operations: [] Exploring Operation: 94-17=77, Resulting Numbers: [36, 12, 77] Generated Node #2: [36, 12, 77] from Operation: 94-17=77 Current State: 74:[36, 12, 77], Operations: ['94-17=77'] Exploring Operation: 36/12=3, Resulting Numbers: [77, 3] Generated Node #3: [77, 3] from Operation: 36/12=3 Current State: 74:[77, 3], Operations: ['94-17=77', '36/12=3'] Exploring Operation: 77-3=74, Resulting Numbers: [74] 74,74 equal: Goal Reached
4
Current State: 74:[17, 36, 94, 12], Operations: [] Exploring Operation: 17-12=5, Resulting Numbers: [36, 94, 5] Generated Node #0,0: 74:[36, 94, 5] Operation: 17-12=5 Exploring Operation: 17+12=29, Resulting Numbers: [36, 94, 29] Generated Node #0,1: 74:[36, 94, 29] Operation: 17+12=29 Exploring Operation: 36/12=3, Resulting Numbers: [17, 94, 3] Generated Node #0,2: 74:[17, 94, 3] Operation: 36/12=3 Exploring Operation: 94-17=77, Resulting Numbers: [36, 12, 77] Generated Node #0,3: 74:[36, 12, 77] Operation: 94-17=77 Exploring Operation: 94-12=82, Resulting Numbers: [17, 36, 82] Generated Node #0,4: 74:[17, 36, 82] Operation: 94-12=82 Start Sub Search at level 1: Moving to Node #0,3 Current State: 74:[36, 12, 77], Operations: ['94-17=77'] Exploring Operation: 77-12=65, Resulting Numbers: [36, 65] Generated Node #0,3,0: 74:[36, 65] Operation: 77-12=65 Exploring Operation: 77-36=41, Resulting Numbers: [12, 41] Generated Node #0,3,1: 74:[12, 41] Operation: 77-36=41 Exploring Operation: 36-12=24, Resulting Numbers: [77, 24] Generated Node #0,3,2: 74:[77, 24] Operation: 36-12=24 Exploring Operation: 36+12=48, Resulting Numbers: [77, 48] Generated Node #0,3,3: 74:[77, 48] Operation: 36+12=48 Exploring Operation: 36/12=3, Resulting Numbers: [77, 3] Generated Node #0,3,4: 74:[77, 3] Operation: 36/12=3 Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 74:[77, 3], Operations: ['94-17=77', '36/12=3'] Exploring Operation: 77*3=231, Resulting Numbers: [231] 231,74 unequal: No Solution Exploring Operation: 77-3=74, Resulting Numbers: [74] 74,74 equal: Goal Reached Moving to Node #0 Current State: 74:[17, 36, 94, 12], Operations: [] Exploring Operation: 94-17=77, Resulting Numbers: [36, 12, 77] Generated Node #0,3: 74:[36, 12, 77] Operation: 94-17=77 Moving to Node #0,3 Current State: 74:[36, 12, 77], Operations: ['94-17=77'] Exploring Operation: 36/12=3, Resulting Numbers: [77, 3] Generated Node #0,3,4: 74:[77, 3] Operation: 36/12=3 Moving to Node #0,3,4 Current State: 74:[77, 3], Operations: ['94-17=77', '36/12=3'] Exploring Operation: 77-3=74, Resulting Numbers: [74] 74,74 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986111
hs_5
sum_heuristic
[ 80, 3, 69, 86 ]
100
[ "80+3=83", "86-69=17", "83+17=100" ]
Current State: 100:[80, 3, 69, 86], Operations: [] Exploring Operation: 80+3=83, Resulting Numbers: [69, 86, 83] Generated Node #2: [69, 86, 83] from Operation: 80+3=83 Current State: 100:[69, 86, 83], Operations: ['80+3=83'] Exploring Operation: 86-69=17, Resulting Numbers: [83, 17] Generated Node #3: [83, 17] from Operation: 86-69=17 Current State: 100:[83, 17], Operations: ['80+3=83', '86-69=17'] Exploring Operation: 83+17=100, Resulting Numbers: [100] 100,100 equal: Goal Reached
4
Current State: 100:[80, 3, 69, 86], Operations: [] Exploring Operation: 69/3=23, Resulting Numbers: [80, 86, 23] Generated Node #0,0: 100:[80, 86, 23] Operation: 69/3=23 Exploring Operation: 86-80=6, Resulting Numbers: [3, 69, 6] Generated Node #0,1: 100:[3, 69, 6] Operation: 86-80=6 Exploring Operation: 80-69=11, Resulting Numbers: [3, 86, 11] Generated Node #0,2: 100:[3, 86, 11] Operation: 80-69=11 Exploring Operation: 86-69=17, Resulting Numbers: [80, 3, 17] Generated Node #0,3: 100:[80, 3, 17] Operation: 86-69=17 Moving to Node #0,2 Current State: 100:[3, 86, 11], Operations: ['80-69=11'] Exploring Operation: 86+11=97, Resulting Numbers: [3, 97] Generated Node #0,2,0: 100:[3, 97] Operation: 86+11=97 Exploring Operation: 86-3=83, Resulting Numbers: [11, 83] Generated Node #0,2,1: 100:[11, 83] Operation: 86-3=83 Exploring Operation: 3+86=89, Resulting Numbers: [11, 89] Generated Node #0,2,2: 100:[11, 89] Operation: 3+86=89 Exploring Operation: 11-3=8, Resulting Numbers: [86, 8] Generated Node #0,2,3: 100:[86, 8] Operation: 11-3=8 Moving to Node #0,1 Current State: 100:[3, 69, 6], Operations: ['86-80=6'] Exploring Operation: 6/3=2, Resulting Numbers: [69, 2] Generated Node #0,1,0: 100:[69, 2] Operation: 6/3=2 Exploring Operation: 69-6=63, Resulting Numbers: [3, 63] Generated Node #0,1,1: 100:[3, 63] Operation: 69-6=63 Exploring Operation: 69/3=23, Resulting Numbers: [6, 23] Generated Node #0,1,2: 100:[6, 23] Operation: 69/3=23 Exploring Operation: 69-3=66, Resulting Numbers: [6, 66] Generated Node #0,1,3: 100:[6, 66] Operation: 69-3=66 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 100:[6, 23], Operations: ['86-80=6', '69/3=23'] Exploring Operation: 6+23=29, Resulting Numbers: [29] 29,100 unequal: No Solution Exploring Operation: 23-6=17, Resulting Numbers: [17] 17,100 unequal: No Solution Exploring Operation: 6*23=138, Resulting Numbers: [138] 138,100 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 100:[3, 63], Operations: ['86-80=6', '69-6=63'] Exploring Operation: 3*63=189, Resulting Numbers: [189] 189,100 unequal: No Solution Exploring Operation: 3+63=66, Resulting Numbers: [66] 66,100 unequal: No Solution Exploring Operation: 63/3=21, Resulting Numbers: [21] 21,100 unequal: No Solution Exploring Operation: 63-3=60, Resulting Numbers: [60] 60,100 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 100:[6, 66], Operations: ['86-80=6', '69-3=66'] Exploring Operation: 6*66=396, Resulting Numbers: [396] 396,100 unequal: No Solution Exploring Operation: 6+66=72, Resulting Numbers: [72] 72,100 unequal: No Solution Exploring Operation: 66-6=60, Resulting Numbers: [60] 60,100 unequal: No Solution Exploring Operation: 66/6=11, Resulting Numbers: [11] 11,100 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 100:[69, 2], Operations: ['86-80=6', '6/3=2'] Exploring Operation: 69+2=71, Resulting Numbers: [71] 71,100 unequal: No Solution Exploring Operation: 69-2=67, Resulting Numbers: [67] 67,100 unequal: No Solution Exploring Operation: 69*2=138, Resulting Numbers: [138] 138,100 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: 100:[80, 3, 17], Operations: ['86-69=17'] Exploring Operation: 3+17=20, Resulting Numbers: [80, 20] Generated Node #0,3,0: 100:[80, 20] Operation: 3+17=20 Exploring Operation: 80+17=97, Resulting Numbers: [3, 97] Generated Node #0,3,1: 100:[3, 97] Operation: 80+17=97 Exploring Operation: 80-17=63, Resulting Numbers: [3, 63] Generated Node #0,3,2: 100:[3, 63] Operation: 80-17=63 Exploring Operation: 80+3=83, Resulting Numbers: [17, 83] Generated Node #0,3,3: 100:[17, 83] Operation: 80+3=83 Moving to Node #0,0 Current State: 100:[80, 86, 23], Operations: ['69/3=23'] Exploring Operation: 86+23=109, Resulting Numbers: [80, 109] Generated Node #0,0,0: 100:[80, 109] Operation: 86+23=109 Exploring Operation: 86-80=6, Resulting Numbers: [23, 6] Generated Node #0,0,1: 100:[23, 6] Operation: 86-80=6 Exploring Operation: 80-23=57, Resulting Numbers: [86, 57] Generated Node #0,0,2: 100:[86, 57] Operation: 80-23=57 Exploring Operation: 80+23=103, Resulting Numbers: [86, 103] Generated Node #0,0,3: 100:[86, 103] Operation: 80+23=103 Moving to Node #0,0,1 Current State: 100:[23, 6], Operations: ['69/3=23', '86-80=6'] Exploring Operation: 23-6=17, Resulting Numbers: [17] 17,100 unequal: No Solution Exploring Operation: 23*6=138, Resulting Numbers: [138] 138,100 unequal: No Solution Exploring Operation: 23+6=29, Resulting Numbers: [29] 29,100 unequal: No Solution Moving to Node #0,2,0 Current State: 100:[3, 97], Operations: ['80-69=11', '86+11=97'] Exploring Operation: 3*97=291, Resulting Numbers: [291] 291,100 unequal: No Solution Exploring Operation: 3+97=100, Resulting Numbers: [100] 100,100 equal: Goal Reached Moving to Node #0 Current State: 100:[80, 3, 69, 86], Operations: [] Exploring Operation: 80-69=11, Resulting Numbers: [3, 86, 11] Generated Node #0,2: 100:[3, 86, 11] Operation: 80-69=11 Moving to Node #0,2 Current State: 100:[3, 86, 11], Operations: ['80-69=11'] Exploring Operation: 86+11=97, Resulting Numbers: [3, 97] Generated Node #0,2,0: 100:[3, 97] Operation: 86+11=97 Moving to Node #0,2,0 Current State: 100:[3, 97], Operations: ['80-69=11', '86+11=97'] Exploring Operation: 3+97=100, Resulting Numbers: [100] 100,100 equal: Goal Reached
0.962674
hs_4
sum_heuristic
[ 18, 74, 94, 84 ]
14
[ "74+94=168", "84+168=252", "252/18=14" ]
Current State: 14:[18, 74, 94, 84], Operations: [] Exploring Operation: 74+94=168, Resulting Numbers: [18, 84, 168] Generated Node #2: [18, 84, 168] from Operation: 74+94=168 Current State: 14:[18, 84, 168], Operations: ['74+94=168'] Exploring Operation: 84+168=252, Resulting Numbers: [18, 252] Generated Node #3: [18, 252] from Operation: 84+168=252 Current State: 14:[18, 252], Operations: ['74+94=168', '84+168=252'] Exploring Operation: 252/18=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
4
Current State: 14:[18, 74, 94, 84], Operations: [] Exploring Operation: 94-84=10, Resulting Numbers: [18, 74, 10] Generated Node #0,0: 14:[18, 74, 10] Operation: 94-84=10 Start Sub Search at level 1: Moving to Node #0,0 Current State: 14:[18, 74, 10], Operations: ['94-84=10'] Exploring Operation: 74-18=56, Resulting Numbers: [10, 56] Generated Node #0,0,0: 14:[10, 56] Operation: 74-18=56 Moving to Node #0,0,0 Current State: 14:[10, 56], Operations: ['94-84=10', '74-18=56'] Exploring Operation: 56-10=46, Resulting Numbers: [46] 46,14 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
[ 97, 39, 74, 2 ]
21
[ "97-39=58", "74/2=37", "58-37=21" ]
Current State: 21:[97, 39, 74, 2], Operations: [] Exploring Operation: 97-39=58, Resulting Numbers: [74, 2, 58] Generated Node #2: [74, 2, 58] from Operation: 97-39=58 Current State: 21:[74, 2, 58], Operations: ['97-39=58'] Exploring Operation: 74/2=37, Resulting Numbers: [58, 37] Generated Node #3: [58, 37] from Operation: 74/2=37 Current State: 21:[58, 37], Operations: ['97-39=58', '74/2=37'] Exploring Operation: 58-37=21, Resulting Numbers: [21] 21,21 equal: Goal Reached
4
Current State: 21:[97, 39, 74, 2], Operations: [] Exploring Operation: 74/2=37, Resulting Numbers: [97, 39, 37] Generated Node #0,0: 21:[97, 39, 37] Operation: 74/2=37 Exploring Operation: 97-2=95, Resulting Numbers: [39, 74, 95] Generated Node #0,1: 21:[39, 74, 95] Operation: 97-2=95 Exploring Operation: 74-39=35, Resulting Numbers: [97, 2, 35] Generated Node #0,2: 21:[97, 2, 35] Operation: 74-39=35 Exploring Operation: 97-39=58, Resulting Numbers: [74, 2, 58] Generated Node #0,3: 21:[74, 2, 58] Operation: 97-39=58 Exploring Operation: 97-74=23, Resulting Numbers: [39, 2, 23] Generated Node #0,4: 21:[39, 2, 23] Operation: 97-74=23 Start Sub Search at level 1: Moving to Node #0,4 Current State: 21:[39, 2, 23], Operations: ['97-74=23'] Exploring Operation: 39-23=16, Resulting Numbers: [2, 16] Generated Node #0,4,0: 21:[2, 16] Operation: 39-23=16 Exploring Operation: 2+23=25, Resulting Numbers: [39, 25] Generated Node #0,4,1: 21:[39, 25] Operation: 2+23=25 Exploring Operation: 39+2=41, Resulting Numbers: [23, 41] Generated Node #0,4,2: 21:[23, 41] Operation: 39+2=41 Exploring Operation: 39-2=37, Resulting Numbers: [23, 37] Generated Node #0,4,3: 21:[23, 37] Operation: 39-2=37 Exploring Operation: 23-2=21, Resulting Numbers: [39, 21] Generated Node #0,4,4: 21:[39, 21] Operation: 23-2=21 Moving to Node #0,4,0 Current State: 21:[2, 16], Operations: ['97-74=23', '39-23=16'] Exploring Operation: 2+16=18, Resulting Numbers: [18] 18,21 unequal: No Solution Exploring Operation: 16-2=14, Resulting Numbers: [14] 14,21 unequal: No Solution Exploring Operation: 16/2=8, Resulting Numbers: [8] 8,21 unequal: No Solution Exploring Operation: 2*16=32, Resulting Numbers: [32] 32,21 unequal: No Solution Moving to Node #0,4,4 Current State: 21:[39, 21], Operations: ['97-74=23', '23-2=21'] Exploring Operation: 39-21=18, Resulting Numbers: [18] 18,21 unequal: No Solution Exploring Operation: 39+21=60, Resulting Numbers: [60] 60,21 unequal: No Solution Exploring Operation: 39*21=819, Resulting Numbers: [819] 819,21 unequal: No Solution Moving to Node #0,4,3 Current State: 21:[23, 37], Operations: ['97-74=23', '39-2=37'] Exploring Operation: 23+37=60, Resulting Numbers: [60] 60,21 unequal: No Solution Exploring Operation: 23*37=851, Resulting Numbers: [851] 851,21 unequal: No Solution Exploring Operation: 37-23=14, Resulting Numbers: [14] 14,21 unequal: No Solution Moving to Node #0,4,1 Current State: 21:[39, 25], Operations: ['97-74=23', '2+23=25'] Exploring Operation: 39+25=64, Resulting Numbers: [64] 64,21 unequal: No Solution Exploring Operation: 39-25=14, Resulting Numbers: [14] 14,21 unequal: No Solution Exploring Operation: 39*25=975, Resulting Numbers: [975] 975,21 unequal: No Solution Moving to Node #0,4,2 Current State: 21:[23, 41], Operations: ['97-74=23', '39+2=41'] Exploring Operation: 23*41=943, Resulting Numbers: [943] 943,21 unequal: No Solution Exploring Operation: 41-23=18, Resulting Numbers: [18] 18,21 unequal: No Solution Exploring Operation: 23+41=64, Resulting Numbers: [64] 64,21 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 21:[97, 2, 35], Operations: ['74-39=35'] Exploring Operation: 97-35=62, Resulting Numbers: [2, 62] Generated Node #0,2,0: 21:[2, 62] Operation: 97-35=62 Exploring Operation: 35-2=33, Resulting Numbers: [97, 33] Generated Node #0,2,1: 21:[97, 33] Operation: 35-2=33 Exploring Operation: 97-2=95, Resulting Numbers: [35, 95] Generated Node #0,2,2: 21:[35, 95] Operation: 97-2=95 Exploring Operation: 97+2=99, Resulting Numbers: [35, 99] Generated Node #0,2,3: 21:[35, 99] Operation: 97+2=99 Exploring Operation: 2+35=37, Resulting Numbers: [97, 37] Generated Node #0,2,4: 21:[97, 37] Operation: 2+35=37 Moving to Node #0,2,0 Current State: 21:[2, 62], Operations: ['74-39=35', '97-35=62'] Exploring Operation: 62-2=60, Resulting Numbers: [60] 60,21 unequal: No Solution Exploring Operation: 2*62=124, Resulting Numbers: [124] 124,21 unequal: No Solution Exploring Operation: 2+62=64, Resulting Numbers: [64] 64,21 unequal: No Solution Exploring Operation: 62/2=31, Resulting Numbers: [31] 31,21 unequal: No Solution Moving to Node #0,2,2 Current State: 21:[35, 95], Operations: ['74-39=35', '97-2=95'] Exploring Operation: 95-35=60, Resulting Numbers: [60] 60,21 unequal: No Solution Exploring Operation: 35*95=3325, Resulting Numbers: [3325] 3325,21 unequal: No Solution Exploring Operation: 35+95=130, Resulting Numbers: [130] 130,21 unequal: No Solution Moving to Node #0,2,1 Current State: 21:[97, 33], Operations: ['74-39=35', '35-2=33'] Exploring Operation: 97-33=64, Resulting Numbers: [64] 64,21 unequal: No Solution Exploring Operation: 97*33=3201, Resulting Numbers: [3201] 3201,21 unequal: No Solution Exploring Operation: 97+33=130, Resulting Numbers: [130] 130,21 unequal: No Solution Moving to Node #0,2,3 Current State: 21:[35, 99], Operations: ['74-39=35', '97+2=99'] Exploring Operation: 35+99=134, Resulting Numbers: [134] 134,21 unequal: No Solution Exploring Operation: 99-35=64, Resulting Numbers: [64] 64,21 unequal: No Solution Exploring Operation: 35*99=3465, Resulting Numbers: [3465] 3465,21 unequal: No Solution Moving to Node #0,2,4 Current State: 21:[97, 37], Operations: ['74-39=35', '2+35=37'] Exploring Operation: 97*37=3589, Resulting Numbers: [3589] 3589,21 unequal: No Solution Exploring Operation: 97-37=60, Resulting Numbers: [60] 60,21 unequal: No Solution Exploring Operation: 97+37=134, Resulting Numbers: [134] 134,21 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 Current State: 21:[74, 2, 58], Operations: ['97-39=58'] Exploring Operation: 74-2=72, Resulting Numbers: [58, 72] Generated Node #0,3,0: 21:[58, 72] Operation: 74-2=72 Exploring Operation: 58/2=29, Resulting Numbers: [74, 29] Generated Node #0,3,1: 21:[74, 29] Operation: 58/2=29 Exploring Operation: 58-2=56, Resulting Numbers: [74, 56] Generated Node #0,3,2: 21:[74, 56] Operation: 58-2=56 Exploring Operation: 74-58=16, Resulting Numbers: [2, 16] Generated Node #0,3,3: 21:[2, 16] Operation: 74-58=16 Exploring Operation: 74/2=37, Resulting Numbers: [58, 37] Generated Node #0,3,4: 21:[58, 37] Operation: 74/2=37 Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 21:[2, 16], Operations: ['97-39=58', '74-58=16'] Exploring Operation: 16-2=14, Resulting Numbers: [14] 14,21 unequal: No Solution Exploring Operation: 2*16=32, Resulting Numbers: [32] 32,21 unequal: No Solution Exploring Operation: 16/2=8, Resulting Numbers: [8] 8,21 unequal: No Solution Exploring Operation: 2+16=18, Resulting Numbers: [18] 18,21 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 21:[58, 37], Operations: ['97-39=58', '74/2=37'] Exploring Operation: 58*37=2146, Resulting Numbers: [2146] 2146,21 unequal: No Solution Exploring Operation: 58-37=21, Resulting Numbers: [21] 21,21 equal: Goal Reached Moving to Node #0 Current State: 21:[97, 39, 74, 2], Operations: [] Exploring Operation: 97-39=58, Resulting Numbers: [74, 2, 58] Generated Node #0,3: 21:[74, 2, 58] Operation: 97-39=58 Moving to Node #0,3 Current State: 21:[74, 2, 58], Operations: ['97-39=58'] Exploring Operation: 74/2=37, Resulting Numbers: [58, 37] Generated Node #0,3,4: 21:[58, 37] Operation: 74/2=37 Moving to Node #0,3,4 Current State: 21:[58, 37], Operations: ['97-39=58', '74/2=37'] Exploring Operation: 58-37=21, Resulting Numbers: [21] 21,21 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.946181
hs_5
mult_heuristic
[ 50, 17, 39, 80 ]
57
[ "39+80=119", "119/17=7", "50+7=57" ]
Current State: 57:[50, 17, 39, 80], Operations: [] Exploring Operation: 39+80=119, Resulting Numbers: [50, 17, 119] Generated Node #2: [50, 17, 119] from Operation: 39+80=119 Current State: 57:[50, 17, 119], Operations: ['39+80=119'] Exploring Operation: 119/17=7, Resulting Numbers: [50, 7] Generated Node #3: [50, 7] from Operation: 119/17=7 Current State: 57:[50, 7], Operations: ['39+80=119', '119/17=7'] Exploring Operation: 50+7=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
4
Current State: 57:[50, 17, 39, 80], Operations: [] Exploring Operation: 80-50=30, Resulting Numbers: [17, 39, 30] Generated Node #0,0: 57:[17, 39, 30] Operation: 80-50=30 Exploring Operation: 80-39=41, Resulting Numbers: [50, 17, 41] Generated Node #0,1: 57:[50, 17, 41] Operation: 80-39=41 Start Sub Search at level 1: Moving to Node #0,1 Current State: 57:[50, 17, 41], Operations: ['80-39=41'] Exploring Operation: 50-41=9, Resulting Numbers: [17, 9] Generated Node #0,1,0: 57:[17, 9] Operation: 50-41=9 Exploring Operation: 17+41=58, Resulting Numbers: [50, 58] Generated Node #0,1,1: 57:[50, 58] Operation: 17+41=58 Moving to Node #0,1,0 Current State: 57:[17, 9], Operations: ['80-39=41', '50-41=9'] Exploring Operation: 17+9=26, Resulting Numbers: [26] 26,57 unequal: No Solution Exploring Operation: 17-9=8, Resulting Numbers: [8] 8,57 unequal: No Solution Moving to Node #0,1,1 Current State: 57:[50, 58], Operations: ['80-39=41', '17+41=58'] Exploring Operation: 58-50=8, Resulting Numbers: [8] 8,57 unequal: No Solution Exploring Operation: 50+58=108, Resulting Numbers: [108] 108,57 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 57:[17, 39, 30], Operations: ['80-50=30'] Exploring Operation: 39-30=9, Resulting Numbers: [17, 9] Generated Node #0,0,0: 57:[17, 9] Operation: 39-30=9 Exploring Operation: 17+39=56, Resulting Numbers: [30, 56] Generated Node #0,0,1: 57:[30, 56] Operation: 17+39=56 Moving to Node #0,0,0 Current State: 57:[17, 9], Operations: ['80-50=30', '39-30=9'] Exploring Operation: 17+9=26, Resulting Numbers: [26] 26,57 unequal: No Solution Exploring Operation: 17-9=8, Resulting Numbers: [8] 8,57 unequal: No Solution Moving to Node #0,0,1 Current State: 57:[30, 56], Operations: ['80-50=30', '17+39=56'] Exploring Operation: 56-30=26, Resulting Numbers: [26] 26,57 unequal: No Solution Exploring Operation: 30+56=86, Resulting Numbers: [86] 86,57 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 76, 61, 99, 50 ]
39
[ "76*50=3800", "61+3800=3861", "3861/99=39" ]
Current State: 39:[76, 61, 99, 50], Operations: [] Exploring Operation: 76*50=3800, Resulting Numbers: [61, 99, 3800] Generated Node #2: [61, 99, 3800] from Operation: 76*50=3800 Current State: 39:[61, 99, 3800], Operations: ['76*50=3800'] Exploring Operation: 61+3800=3861, Resulting Numbers: [99, 3861] Generated Node #3: [99, 3861] from Operation: 61+3800=3861 Current State: 39:[99, 3861], Operations: ['76*50=3800', '61+3800=3861'] Exploring Operation: 3861/99=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
4
Current State: 39:[76, 61, 99, 50], Operations: [] Exploring Operation: 99-76=23, Resulting Numbers: [61, 50, 23] Generated Node #0,0: 39:[61, 50, 23] Operation: 99-76=23 Exploring Operation: 99-61=38, Resulting Numbers: [76, 50, 38] Generated Node #0,1: 39:[76, 50, 38] Operation: 99-61=38 Exploring Operation: 99-50=49, Resulting Numbers: [76, 61, 49] Generated Node #0,2: 39:[76, 61, 49] Operation: 99-50=49 Start Sub Search at level 1: Moving to Node #0,0 Current State: 39:[61, 50, 23], Operations: ['99-76=23'] Exploring Operation: 50-23=27, Resulting Numbers: [61, 27] Generated Node #0,0,0: 39:[61, 27] Operation: 50-23=27 Exploring Operation: 61-23=38, Resulting Numbers: [50, 38] Generated Node #0,0,1: 39:[50, 38] Operation: 61-23=38 Exploring Operation: 61-50=11, Resulting Numbers: [23, 11] Generated Node #0,0,2: 39:[23, 11] Operation: 61-50=11 Moving to Node #0,0,1 Current State: 39:[50, 38], Operations: ['99-76=23', '61-23=38'] Exploring Operation: 50-38=12, Resulting Numbers: [12] 12,39 unequal: No Solution Exploring Operation: 50*38=1900, Resulting Numbers: [1900] 1900,39 unequal: No Solution Exploring Operation: 50+38=88, Resulting Numbers: [88] 88,39 unequal: No Solution Moving to Node #0,0,2 Current State: 39:[23, 11], Operations: ['99-76=23', '61-50=11'] Exploring Operation: 23*11=253, Resulting Numbers: [253] 253,39 unequal: No Solution Exploring Operation: 23-11=12, Resulting Numbers: [12] 12,39 unequal: No Solution Exploring Operation: 23+11=34, Resulting Numbers: [34] 34,39 unequal: No Solution Moving to Node #0,0,0 Current State: 39:[61, 27], Operations: ['99-76=23', '50-23=27'] Exploring Operation: 61+27=88, Resulting Numbers: [88] 88,39 unequal: No Solution Exploring Operation: 61*27=1647, Resulting Numbers: [1647] 1647,39 unequal: No Solution Exploring Operation: 61-27=34, Resulting Numbers: [34] 34,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 39:[76, 50, 38], Operations: ['99-61=38'] Exploring Operation: 76-50=26, Resulting Numbers: [38, 26] Generated Node #0,1,0: 39:[38, 26] Operation: 76-50=26 Exploring Operation: 76/38=2, Resulting Numbers: [50, 2] Generated Node #0,1,1: 39:[50, 2] Operation: 76/38=2 Exploring Operation: 76-38=38, Resulting Numbers: [50, 38] Generated Node #0,1,2: 39:[50, 38] Operation: 76-38=38 Moving to Node #0,1,1 Current State: 39:[50, 2], Operations: ['99-61=38', '76/38=2'] Exploring Operation: 50+2=52, Resulting Numbers: [52] 52,39 unequal: No Solution Exploring Operation: 50/2=25, Resulting Numbers: [25] 25,39 unequal: No Solution Exploring Operation: 50-2=48, Resulting Numbers: [48] 48,39 unequal: No Solution Moving to Node #0,1,2 Current State: 39:[50, 38], Operations: ['99-61=38', '76-38=38'] Exploring Operation: 50-38=12, Resulting Numbers: [12] 12,39 unequal: No Solution Exploring Operation: 50*38=1900, Resulting Numbers: [1900] 1900,39 unequal: No Solution Exploring Operation: 50+38=88, Resulting Numbers: [88] 88,39 unequal: No Solution Moving to Node #0,1,0 Current State: 39:[38, 26], Operations: ['99-61=38', '76-50=26'] Exploring Operation: 38+26=64, Resulting Numbers: [64] 64,39 unequal: No Solution Exploring Operation: 38*26=988, Resulting Numbers: [988] 988,39 unequal: No Solution Exploring Operation: 38-26=12, Resulting Numbers: [12] 12,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 39:[76, 61, 49], Operations: ['99-50=49'] Exploring Operation: 76-49=27, Resulting Numbers: [61, 27] Generated Node #0,2,0: 39:[61, 27] Operation: 76-49=27 Exploring Operation: 61-49=12, Resulting Numbers: [76, 12] Generated Node #0,2,1: 39:[76, 12] Operation: 61-49=12 Exploring Operation: 76-61=15, Resulting Numbers: [49, 15] Generated Node #0,2,2: 39:[49, 15] Operation: 76-61=15 Moving to Node #0,2,2 Current State: 39:[49, 15], Operations: ['99-50=49', '76-61=15'] Exploring Operation: 49*15=735, Resulting Numbers: [735] 735,39 unequal: No Solution Exploring Operation: 49+15=64, Resulting Numbers: [64] 64,39 unequal: No Solution Exploring Operation: 49-15=34, Resulting Numbers: [34] 34,39 unequal: No Solution Moving to Node #0,2,0 Current State: 39:[61, 27], Operations: ['99-50=49', '76-49=27'] Exploring Operation: 61*27=1647, Resulting Numbers: [1647] 1647,39 unequal: No Solution Exploring Operation: 61+27=88, Resulting Numbers: [88] 88,39 unequal: No Solution Exploring Operation: 61-27=34, Resulting Numbers: [34] 34,39 unequal: No Solution Moving to Node #0,2,1 Current State: 39:[76, 12], Operations: ['99-50=49', '61-49=12'] Exploring Operation: 76-12=64, Resulting Numbers: [64] 64,39 unequal: No Solution Exploring Operation: 76+12=88, Resulting Numbers: [88] 88,39 unequal: No Solution Exploring Operation: 76*12=912, Resulting Numbers: [912] 912,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
mult_heuristic
[ 28, 14, 1, 28 ]
42
[ "28-14=14", "1*28=28", "14+28=42" ]
Current State: 42:[28, 14, 1, 28], Operations: [] Exploring Operation: 28-14=14, Resulting Numbers: [1, 14] Generated Node #2: [1, 14] from Operation: 28-14=14 Current State: 42:[1, 14], Operations: ['28-14=14'] Exploring Operation: 1*28=28, Resulting Numbers: [14, 28] Generated Node #3: [14, 28] from Operation: 1*28=28 Current State: 42:[14, 28], Operations: ['28-14=14', '1*28=28'] Exploring Operation: 14+28=42, Resulting Numbers: [42] 42,42 equal: Goal Reached
4
Current State: 42:[28, 14, 1, 28], Operations: [] Exploring Operation: 28/28=1, Resulting Numbers: [14, 1, 1] Generated Node #0,0: 42:[14, 1, 1] Operation: 28/28=1 Moving to Node #0,0 Current State: 42:[14, 1, 1], Operations: ['28/28=1'] Exploring Operation: 1+1=2, Resulting Numbers: [14, 2] Generated Node #0,0,0: 42:[14, 2] Operation: 1+1=2 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 42:[14, 2], Operations: ['28/28=1', '1+1=2'] Exploring Operation: 14/2=7, Resulting Numbers: [7] 7,42 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 3, 41, 63, 5 ]
81
[ "63-41=22", "5+22=27", "3*27=81" ]
Current State: 81:[3, 41, 63, 5], Operations: [] Exploring Operation: 63-41=22, Resulting Numbers: [3, 5, 22] Generated Node #2: [3, 5, 22] from Operation: 63-41=22 Current State: 81:[3, 5, 22], Operations: ['63-41=22'] Exploring Operation: 5+22=27, Resulting Numbers: [3, 27] Generated Node #3: [3, 27] from Operation: 5+22=27 Current State: 81:[3, 27], Operations: ['63-41=22', '5+22=27'] Exploring Operation: 3*27=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[3, 41, 63, 5], Operations: [] Exploring Operation: 63-41=22, Resulting Numbers: [3, 5, 22] Generated Node #0,0: 81:[3, 5, 22] Operation: 63-41=22 Exploring Operation: 41+63=104, Resulting Numbers: [3, 5, 104] Generated Node #0,1: 81:[3, 5, 104] Operation: 41+63=104 Exploring Operation: 63/3=21, Resulting Numbers: [41, 5, 21] Generated Node #0,2: 81:[41, 5, 21] Operation: 63/3=21 Moving to Node #0,0 Current State: 81:[3, 5, 22], Operations: ['63-41=22'] Exploring Operation: 3+22=25, Resulting Numbers: [5, 25] Generated Node #0,0,0: 81:[5, 25] Operation: 3+22=25 Exploring Operation: 3+5=8, Resulting Numbers: [22, 8] Generated Node #0,0,1: 81:[22, 8] Operation: 3+5=8 Exploring Operation: 5+22=27, Resulting Numbers: [3, 27] Generated Node #0,0,2: 81:[3, 27] Operation: 5+22=27 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 81:[3, 27], Operations: ['63-41=22', '5+22=27'] Exploring Operation: 27/3=9, Resulting Numbers: [9] 9,81 unequal: No Solution Exploring Operation: 3*27=81, Resulting Numbers: [81] 81,81 equal: Goal Reached Moving to Node #0 Current State: 81:[3, 41, 63, 5], Operations: [] Exploring Operation: 63-41=22, Resulting Numbers: [3, 5, 22] Generated Node #0,0: 81:[3, 5, 22] Operation: 63-41=22 Moving to Node #0,0 Current State: 81:[3, 5, 22], Operations: ['63-41=22'] Exploring Operation: 5+22=27, Resulting Numbers: [3, 27] Generated Node #0,0,2: 81:[3, 27] Operation: 5+22=27 Moving to Node #0,0,2 Current State: 81:[3, 27], Operations: ['63-41=22', '5+22=27'] Exploring Operation: 3*27=81, Resulting Numbers: [81] 81,81 equal: Goal Reached Exit Sub Search at level 1
0.989583
hs_3
sum_heuristic
[ 66, 80, 80, 99 ]
40
[ "80*99=7920", "7920/66=120", "120-80=40" ]
Current State: 40:[66, 80, 80, 99], Operations: [] Exploring Operation: 80*99=7920, Resulting Numbers: [66, 7920] Generated Node #2: [66, 7920] from Operation: 80*99=7920 Current State: 40:[66, 7920], Operations: ['80*99=7920'] Exploring Operation: 7920/66=120, Resulting Numbers: [120] 120,40 equal: Goal Reached Exploring Operation: 120-80=40, Resulting Numbers: [40] 40,40 equal: Goal Reached
4
Current State: 40:[66, 80, 80, 99], Operations: [] Exploring Operation: 99-80=19, Resulting Numbers: [66, 80, 19] Generated Node #0,0: 40:[66, 80, 19] Operation: 99-80=19 Moving to Node #0,0 Current State: 40:[66, 80, 19], Operations: ['99-80=19'] Exploring Operation: 80-66=14, Resulting Numbers: [19, 14] Generated Node #0,0,0: 40:[19, 14] Operation: 80-66=14 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 40:[19, 14], Operations: ['99-80=19', '80-66=14'] Exploring Operation: 19-14=5, Resulting Numbers: [5] 5,40 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
[ 80, 56, 84, 14 ]
59
[ "56/14=4", "84/4=21", "80-21=59" ]
Current State: 59:[80, 56, 84, 14], Operations: [] Exploring Operation: 56/14=4, Resulting Numbers: [80, 84, 4] Generated Node #2: [80, 84, 4] from Operation: 56/14=4 Current State: 59:[80, 84, 4], Operations: ['56/14=4'] Exploring Operation: 84/4=21, Resulting Numbers: [80, 21] Generated Node #3: [80, 21] from Operation: 84/4=21 Current State: 59:[80, 21], Operations: ['56/14=4', '84/4=21'] Exploring Operation: 80-21=59, Resulting Numbers: [59] 59,59 equal: Goal Reached
4
Current State: 59:[80, 56, 84, 14], Operations: [] Exploring Operation: 80-14=66, Resulting Numbers: [56, 84, 66] Generated Node #0,0: 59:[56, 84, 66] Operation: 80-14=66 Exploring Operation: 80+14=94, Resulting Numbers: [56, 84, 94] Generated Node #0,1: 59:[56, 84, 94] Operation: 80+14=94 Exploring Operation: 84-14=70, Resulting Numbers: [80, 56, 70] Generated Node #0,2: 59:[80, 56, 70] Operation: 84-14=70 Exploring Operation: 56+14=70, Resulting Numbers: [80, 84, 70] Generated Node #0,3: 59:[80, 84, 70] Operation: 56+14=70 Moving to Node #0,0 Current State: 59:[56, 84, 66], Operations: ['80-14=66'] Exploring Operation: 84-66=18, Resulting Numbers: [56, 18] Generated Node #0,0,0: 59:[56, 18] Operation: 84-66=18 Exploring Operation: 56+84=140, Resulting Numbers: [66, 140] Generated Node #0,0,1: 59:[66, 140] Operation: 56+84=140 Exploring Operation: 84-56=28, Resulting Numbers: [66, 28] Generated Node #0,0,2: 59:[66, 28] Operation: 84-56=28 Exploring Operation: 66-56=10, Resulting Numbers: [84, 10] Generated Node #0,0,3: 59:[84, 10] Operation: 66-56=10 Moving to Node #0,2 Current State: 59:[80, 56, 70], Operations: ['84-14=70'] Exploring Operation: 70-56=14, Resulting Numbers: [80, 14] Generated Node #0,2,0: 59:[80, 14] Operation: 70-56=14 Exploring Operation: 80+56=136, Resulting Numbers: [70, 136] Generated Node #0,2,1: 59:[70, 136] Operation: 80+56=136 Exploring Operation: 80-70=10, Resulting Numbers: [56, 10] Generated Node #0,2,2: 59:[56, 10] Operation: 80-70=10 Exploring Operation: 80-56=24, Resulting Numbers: [70, 24] Generated Node #0,2,3: 59:[70, 24] Operation: 80-56=24 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 59:[70, 24], Operations: ['84-14=70', '80-56=24'] Exploring Operation: 70-24=46, Resulting Numbers: [46] 46,59 unequal: No Solution Exploring Operation: 70*24=1680, Resulting Numbers: [1680] 1680,59 unequal: No Solution Exploring Operation: 70+24=94, Resulting Numbers: [94] 94,59 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 59:[56, 10], Operations: ['84-14=70', '80-70=10'] Exploring Operation: 56+10=66, Resulting Numbers: [66] 66,59 unequal: No Solution Exploring Operation: 56*10=560, Resulting Numbers: [560] 560,59 unequal: No Solution Exploring Operation: 56-10=46, Resulting Numbers: [46] 46,59 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 59:[80, 14], Operations: ['84-14=70', '70-56=14'] Exploring Operation: 80+14=94, Resulting Numbers: [94] 94,59 unequal: No Solution Exploring Operation: 80-14=66, Resulting Numbers: [66] 66,59 unequal: No Solution Exploring Operation: 80*14=1120, Resulting Numbers: [1120] 1120,59 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 59:[70, 136], Operations: ['84-14=70', '80+56=136'] Exploring Operation: 70*136=9520, Resulting Numbers: [9520] 9520,59 unequal: No Solution Exploring Operation: 70+136=206, Resulting Numbers: [206] 206,59 unequal: No Solution Exploring Operation: 136-70=66, Resulting Numbers: [66] 66,59 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: 59:[80, 84, 70], Operations: ['56+14=70'] Exploring Operation: 80+84=164, Resulting Numbers: [70, 164] Generated Node #0,3,0: 59:[70, 164] Operation: 80+84=164 Exploring Operation: 84-80=4, Resulting Numbers: [70, 4] Generated Node #0,3,1: 59:[70, 4] Operation: 84-80=4 Exploring Operation: 80-70=10, Resulting Numbers: [84, 10] Generated Node #0,3,2: 59:[84, 10] Operation: 80-70=10 Exploring Operation: 84-70=14, Resulting Numbers: [80, 14] Generated Node #0,3,3: 59:[80, 14] Operation: 84-70=14 Moving to Node #0,1 Current State: 59:[56, 84, 94], Operations: ['80+14=94'] Exploring Operation: 94-84=10, Resulting Numbers: [56, 10] Generated Node #0,1,0: 59:[56, 10] Operation: 94-84=10 Exploring Operation: 94-56=38, Resulting Numbers: [84, 38] Generated Node #0,1,1: 59:[84, 38] Operation: 94-56=38 Exploring Operation: 84-56=28, Resulting Numbers: [94, 28] Generated Node #0,1,2: 59:[94, 28] Operation: 84-56=28 Exploring Operation: 56+84=140, Resulting Numbers: [94, 140] Generated Node #0,1,3: 59:[94, 140] Operation: 56+84=140 Moving to Node #0,0,2 Current State: 59:[66, 28], Operations: ['80-14=66', '84-56=28'] Exploring Operation: 66*28=1848, Resulting Numbers: [1848] 1848,59 unequal: No Solution Exploring Operation: 66-28=38, Resulting Numbers: [38] 38,59 unequal: No Solution Exploring Operation: 66+28=94, Resulting Numbers: [94] 94,59 unequal: No Solution Moving to Node #0,0,0 Current State: 59:[56, 18], Operations: ['80-14=66', '84-66=18'] Exploring Operation: 56-18=38, Resulting Numbers: [38] 38,59 unequal: No Solution Exploring Operation: 56*18=1008, Resulting Numbers: [1008] 1008,59 unequal: No Solution Exploring Operation: 56+18=74, Resulting Numbers: [74] 74,59 unequal: No Solution Moving to Node #0,1,1 Current State: 59:[84, 38], Operations: ['80+14=94', '94-56=38'] Exploring Operation: 84-38=46, Resulting Numbers: [46] 46,59 unequal: No Solution Exploring Operation: 84*38=3192, Resulting Numbers: [3192] 3192,59 unequal: No Solution Exploring Operation: 84+38=122, Resulting Numbers: [122] 122,59 unequal: No Solution Moving to Node #0,1,0 Current State: 59:[56, 10], Operations: ['80+14=94', '94-84=10'] Exploring Operation: 56*10=560, Resulting Numbers: [560] 560,59 unequal: No Solution Exploring Operation: 56-10=46, Resulting Numbers: [46] 46,59 unequal: No Solution Exploring Operation: 56+10=66, Resulting Numbers: [66] 66,59 unequal: No Solution Moving to Node #0,3,3 Current State: 59:[80, 14], Operations: ['56+14=70', '84-70=14'] Exploring Operation: 80+14=94, Resulting Numbers: [94] 94,59 unequal: No Solution Exploring Operation: 80*14=1120, Resulting Numbers: [1120] 1120,59 unequal: No Solution Exploring Operation: 80-14=66, Resulting Numbers: [66] 66,59 unequal: No Solution Moving to Node #0,3,1 Current State: 59:[70, 4], Operations: ['56+14=70', '84-80=4'] Exploring Operation: 70*4=280, Resulting Numbers: [280] 280,59 unequal: No Solution Exploring Operation: 70-4=66, Resulting Numbers: [66] 66,59 unequal: No Solution Exploring Operation: 70+4=74, Resulting Numbers: [74] 74,59 unequal: No Solution Moving to Node #0,1,2 Current State: 59:[94, 28], Operations: ['80+14=94', '84-56=28'] Exploring Operation: 94*28=2632, Resulting Numbers: [2632] 2632,59 unequal: No Solution Exploring Operation: 94+28=122, Resulting Numbers: [122] 122,59 unequal: No Solution Exploring Operation: 94-28=66, Resulting Numbers: [66] 66,59 unequal: No Solution Moving to Node #0,3,2 Current State: 59:[84, 10], Operations: ['56+14=70', '80-70=10'] Exploring Operation: 84-10=74, Resulting Numbers: [74] 74,59 unequal: No Solution Exploring Operation: 84+10=94, Resulting Numbers: [94] 94,59 unequal: No Solution Exploring Operation: 84*10=840, Resulting Numbers: [840] 840,59 unequal: No Solution Moving to Node #0,0,3 Current State: 59:[84, 10], Operations: ['80-14=66', '66-56=10'] Exploring Operation: 84+10=94, Resulting Numbers: [94] 94,59 unequal: No Solution Exploring Operation: 84-10=74, Resulting Numbers: [74] 74,59 unequal: No Solution Exploring Operation: 84*10=840, Resulting Numbers: [840] 840,59 unequal: No Solution Moving to Node #0,0,1 Current State: 59:[66, 140], Operations: ['80-14=66', '56+84=140'] Exploring Operation: 140-66=74, Resulting Numbers: [74] 74,59 unequal: No Solution Exploring Operation: 66+140=206, Resulting Numbers: [206] 206,59 unequal: No Solution Exploring Operation: 66*140=9240, Resulting Numbers: [9240] 9240,59 unequal: No Solution Moving to Node #0,1,3 Current State: 59:[94, 140], Operations: ['80+14=94', '56+84=140'] Exploring Operation: 140-94=46, Resulting Numbers: [46] 46,59 unequal: No Solution Exploring Operation: 94*140=13160, Resulting Numbers: [13160] 13160,59 unequal: No Solution Exploring Operation: 94+140=234, Resulting Numbers: [234] 234,59 unequal: No Solution Moving to Node #0,3,0 Current State: 59:[70, 164], Operations: ['56+14=70', '80+84=164'] Exploring Operation: 70*164=11480, Resulting Numbers: [11480] 11480,59 unequal: No Solution Exploring Operation: 164-70=94, Resulting Numbers: [94] 94,59 unequal: No Solution Exploring Operation: 70+164=234, Resulting Numbers: [234] 234,59 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 36, 84, 98, 70 ]
20
[ "84-36=48", "98-70=28", "48-28=20" ]
Current State: 20:[36, 84, 98, 70], Operations: [] Exploring Operation: 84-36=48, Resulting Numbers: [98, 70, 48] Generated Node #2: [98, 70, 48] from Operation: 84-36=48 Current State: 20:[98, 70, 48], Operations: ['84-36=48'] Exploring Operation: 98-70=28, Resulting Numbers: [48, 28] Generated Node #3: [48, 28] from Operation: 98-70=28 Current State: 20:[48, 28], Operations: ['84-36=48', '98-70=28'] Exploring Operation: 48-28=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[36, 84, 98, 70], Operations: [] Exploring Operation: 84-36=48, Resulting Numbers: [98, 70, 48] Generated Node #0,0: 20:[98, 70, 48] Operation: 84-36=48 Exploring Operation: 98-70=28, Resulting Numbers: [36, 84, 28] Generated Node #0,1: 20:[36, 84, 28] Operation: 98-70=28 Exploring Operation: 84-70=14, Resulting Numbers: [36, 98, 14] Generated Node #0,2: 20:[36, 98, 14] Operation: 84-70=14 Exploring Operation: 98-84=14, Resulting Numbers: [36, 70, 14] Generated Node #0,3: 20:[36, 70, 14] Operation: 98-84=14 Start Sub Search at level 1: Moving to Node #0,3 Current State: 20:[36, 70, 14], Operations: ['98-84=14'] Exploring Operation: 70-14=56, Resulting Numbers: [36, 56] Generated Node #0,3,0: 20:[36, 56] Operation: 70-14=56 Exploring Operation: 36-14=22, Resulting Numbers: [70, 22] Generated Node #0,3,1: 20:[70, 22] Operation: 36-14=22 Exploring Operation: 70-36=34, Resulting Numbers: [14, 34] Generated Node #0,3,2: 20:[14, 34] Operation: 70-36=34 Exploring Operation: 70/14=5, Resulting Numbers: [36, 5] Generated Node #0,3,3: 20:[36, 5] Operation: 70/14=5 Moving to Node #0,3,3 Current State: 20:[36, 5], Operations: ['98-84=14', '70/14=5'] Exploring Operation: 36-5=31, Resulting Numbers: [31] 31,20 unequal: No Solution Exploring Operation: 36+5=41, Resulting Numbers: [41] 41,20 unequal: No Solution Exploring Operation: 36*5=180, Resulting Numbers: [180] 180,20 unequal: No Solution Moving to Node #0,3,2 Current State: 20:[14, 34], Operations: ['98-84=14', '70-36=34'] Exploring Operation: 34-14=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Moving to Node #0 Current State: 20:[36, 84, 98, 70], Operations: [] Exploring Operation: 98-84=14, Resulting Numbers: [36, 70, 14] Generated Node #0,3: 20:[36, 70, 14] Operation: 98-84=14 Moving to Node #0,3 Current State: 20:[36, 70, 14], Operations: ['98-84=14'] Exploring Operation: 70-36=34, Resulting Numbers: [14, 34] Generated Node #0,3,2: 20:[14, 34] Operation: 70-36=34 Moving to Node #0,3,2 Current State: 20:[14, 34], Operations: ['98-84=14', '70-36=34'] Exploring Operation: 34-14=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_4
mult_heuristic
[ 93, 70, 47, 47 ]
70
[ "93-47=46", "47-46=1", "70*1=70" ]
Current State: 70:[93, 70, 47, 47], Operations: [] Exploring Operation: 93-47=46, Resulting Numbers: [70, 46] Generated Node #2: [70, 46] from Operation: 93-47=46 Current State: 70:[70, 46], Operations: ['93-47=46'] Exploring Operation: 47-46=1, Resulting Numbers: [70, 1] Generated Node #3: [70, 1] from Operation: 47-46=1 Current State: 70:[70, 1], Operations: ['93-47=46', '47-46=1'] Exploring Operation: 70*1=70, Resulting Numbers: [70] 70,70 equal: Goal Reached
4
Current State: 70:[93, 70, 47, 47], Operations: [] Exploring Operation: 93-47=46, Resulting Numbers: [70, 47, 46] Generated Node #0,0: 70:[70, 47, 46] Operation: 93-47=46 Moving to Node #0,0 Current State: 70:[70, 47, 46], Operations: ['93-47=46'] Exploring Operation: 47-46=1, Resulting Numbers: [70, 1] Generated Node #0,0,0: 70:[70, 1] Operation: 47-46=1 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 70:[70, 1], Operations: ['93-47=46', '47-46=1'] Exploring Operation: 70*1=70, Resulting Numbers: [70] 70,70 equal: Goal Reached Moving to Node #0 Current State: 70:[93, 70, 47, 47], Operations: [] Exploring Operation: 93-47=46, Resulting Numbers: [70, 47, 46] Generated Node #0,0: 70:[70, 47, 46] Operation: 93-47=46 Moving to Node #0,0 Current State: 70:[70, 47, 46], Operations: ['93-47=46'] Exploring Operation: 47-46=1, Resulting Numbers: [70, 1] Generated Node #0,0,0: 70:[70, 1] Operation: 47-46=1 Moving to Node #0,0,0 Current State: 70:[70, 1], Operations: ['93-47=46', '47-46=1'] Exploring Operation: 70*1=70, Resulting Numbers: [70] 70,70 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 49, 86, 74, 30 ]
15
[ "86-49=37", "74/37=2", "30/2=15" ]
Current State: 15:[49, 86, 74, 30], Operations: [] Exploring Operation: 86-49=37, Resulting Numbers: [74, 30, 37] Generated Node #2: [74, 30, 37] from Operation: 86-49=37 Current State: 15:[74, 30, 37], Operations: ['86-49=37'] Exploring Operation: 74/37=2, Resulting Numbers: [30, 2] Generated Node #3: [30, 2] from Operation: 74/37=2 Current State: 15:[30, 2], Operations: ['86-49=37', '74/37=2'] Exploring Operation: 30/2=15, Resulting Numbers: [15] 15,15 equal: Goal Reached
4
Current State: 15:[49, 86, 74, 30], Operations: [] Exploring Operation: 86-74=12, Resulting Numbers: [49, 30, 12] Generated Node #0,0: 15:[49, 30, 12] Operation: 86-74=12 Moving to Node #0,0 Current State: 15:[49, 30, 12], Operations: ['86-74=12'] Exploring Operation: 49-30=19, Resulting Numbers: [12, 19] Generated Node #0,0,0: 15:[12, 19] Operation: 49-30=19 Moving to Node #0,0,0 Current State: 15:[12, 19], Operations: ['86-74=12', '49-30=19'] Exploring Operation: 19-12=7, Resulting Numbers: [7] 7,15 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 24, 28, 16, 7 ]
32
[ "24-16=8", "28/7=4", "8*4=32" ]
Current State: 32:[24, 28, 16, 7], Operations: [] Exploring Operation: 24-16=8, Resulting Numbers: [28, 7, 8] Generated Node #2: [28, 7, 8] from Operation: 24-16=8 Current State: 32:[28, 7, 8], Operations: ['24-16=8'] Exploring Operation: 28/7=4, Resulting Numbers: [8, 4] Generated Node #3: [8, 4] from Operation: 28/7=4 Current State: 32:[8, 4], Operations: ['24-16=8', '28/7=4'] Exploring Operation: 8*4=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[24, 28, 16, 7], Operations: [] Exploring Operation: 24-16=8, Resulting Numbers: [28, 7, 8] Generated Node #0,0: 32:[28, 7, 8] Operation: 24-16=8 Exploring Operation: 28-24=4, Resulting Numbers: [16, 7, 4] Generated Node #0,1: 32:[16, 7, 4] Operation: 28-24=4 Moving to Node #0,1 Current State: 32:[16, 7, 4], Operations: ['28-24=4'] Exploring Operation: 16-7=9, Resulting Numbers: [4, 9] Generated Node #0,1,0: 32:[4, 9] Operation: 16-7=9 Exploring Operation: 16/4=4, Resulting Numbers: [7, 4] Generated Node #0,1,1: 32:[7, 4] Operation: 16/4=4 Moving to Node #0,0 Current State: 32:[28, 7, 8], Operations: ['24-16=8'] Exploring Operation: 28/7=4, Resulting Numbers: [8, 4] Generated Node #0,0,0: 32:[8, 4] Operation: 28/7=4 Exploring Operation: 28+7=35, Resulting Numbers: [8, 35] Generated Node #0,0,1: 32:[8, 35] Operation: 28+7=35 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 32:[8, 4], Operations: ['24-16=8', '28/7=4'] Exploring Operation: 8-4=4, Resulting Numbers: [4] 4,32 unequal: No Solution Exploring Operation: 8*4=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Moving to Node #0 Current State: 32:[24, 28, 16, 7], Operations: [] Exploring Operation: 24-16=8, Resulting Numbers: [28, 7, 8] Generated Node #0,0: 32:[28, 7, 8] Operation: 24-16=8 Moving to Node #0,0 Current State: 32:[28, 7, 8], Operations: ['24-16=8'] Exploring Operation: 28/7=4, Resulting Numbers: [8, 4] Generated Node #0,0,0: 32:[8, 4] Operation: 28/7=4 Moving to Node #0,0,0 Current State: 32:[8, 4], Operations: ['24-16=8', '28/7=4'] Exploring Operation: 8*4=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Exit Sub Search at level 1
0.989583
hs_2
mult_heuristic
[ 67, 57, 83, 52 ]
30
[ "67+83=150", "57-52=5", "150/5=30" ]
Current State: 30:[67, 57, 83, 52], Operations: [] Exploring Operation: 67+83=150, Resulting Numbers: [57, 52, 150] Generated Node #2: [57, 52, 150] from Operation: 67+83=150 Current State: 30:[57, 52, 150], Operations: ['67+83=150'] Exploring Operation: 57-52=5, Resulting Numbers: [150, 5] Generated Node #3: [150, 5] from Operation: 57-52=5 Current State: 30:[150, 5], Operations: ['67+83=150', '57-52=5'] Exploring Operation: 150/5=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
4
Current State: 30:[67, 57, 83, 52], Operations: [] Exploring Operation: 83-57=26, Resulting Numbers: [67, 52, 26] Generated Node #0,0: 30:[67, 52, 26] Operation: 83-57=26 Exploring Operation: 83-52=31, Resulting Numbers: [67, 57, 31] Generated Node #0,1: 30:[67, 57, 31] Operation: 83-52=31 Exploring Operation: 67-57=10, Resulting Numbers: [83, 52, 10] Generated Node #0,2: 30:[83, 52, 10] Operation: 67-57=10 Exploring Operation: 83-67=16, Resulting Numbers: [57, 52, 16] Generated Node #0,3: 30:[57, 52, 16] Operation: 83-67=16 Moving to Node #0,3 Current State: 30:[57, 52, 16], Operations: ['83-67=16'] Exploring Operation: 57-16=41, Resulting Numbers: [52, 41] Generated Node #0,3,0: 30:[52, 41] Operation: 57-16=41 Exploring Operation: 57+16=73, Resulting Numbers: [52, 73] Generated Node #0,3,1: 30:[52, 73] Operation: 57+16=73 Exploring Operation: 52-16=36, Resulting Numbers: [57, 36] Generated Node #0,3,2: 30:[57, 36] Operation: 52-16=36 Exploring Operation: 57-52=5, Resulting Numbers: [16, 5] Generated Node #0,3,3: 30:[16, 5] Operation: 57-52=5 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 30:[16, 5], Operations: ['83-67=16', '57-52=5'] Exploring Operation: 16+5=21, Resulting Numbers: [21] 21,30 unequal: No Solution Exploring Operation: 16-5=11, Resulting Numbers: [11] 11,30 unequal: No Solution Exploring Operation: 16*5=80, Resulting Numbers: [80] 80,30 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 #0,3,0 Current State: 30:[52, 41], Operations: ['83-67=16', '57-16=41'] Exploring Operation: 52-41=11, Resulting Numbers: [11] 11,30 unequal: No Solution Exploring Operation: 52*41=2132, Resulting Numbers: [2132] 2132,30 unequal: No Solution Exploring Operation: 52+41=93, Resulting Numbers: [93] 93,30 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 #0,3,2 Current State: 30:[57, 36], Operations: ['83-67=16', '52-16=36'] Exploring Operation: 57-36=21, Resulting Numbers: [21] 21,30 unequal: No Solution Exploring Operation: 57+36=93, Resulting Numbers: [93] 93,30 unequal: No Solution Exploring Operation: 57*36=2052, Resulting Numbers: [2052] 2052,30 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 #0,3,1 Current State: 30:[52, 73], Operations: ['83-67=16', '57+16=73'] Exploring Operation: 73-52=21, Resulting Numbers: [21] 21,30 unequal: No Solution Exploring Operation: 52*73=3796, Resulting Numbers: [3796] 3796,30 unequal: No Solution Exploring Operation: 52+73=125, Resulting Numbers: [125] 125,30 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: 30:[67, 52, 26], Operations: ['83-57=26'] Exploring Operation: 67-52=15, Resulting Numbers: [26, 15] Generated Node #0,0,0: 30:[26, 15] Operation: 67-52=15 Exploring Operation: 67-26=41, Resulting Numbers: [52, 41] Generated Node #0,0,1: 30:[52, 41] Operation: 67-26=41 Exploring Operation: 52/26=2, Resulting Numbers: [67, 2] Generated Node #0,0,2: 30:[67, 2] Operation: 52/26=2 Exploring Operation: 52-26=26, Resulting Numbers: [67, 26] Generated Node #0,0,3: 30:[67, 26] Operation: 52-26=26 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 30:[26, 15], Operations: ['83-57=26', '67-52=15'] Exploring Operation: 26*15=390, Resulting Numbers: [390] 390,30 unequal: No Solution Exploring Operation: 26+15=41, Resulting Numbers: [41] 41,30 unequal: No Solution Exploring Operation: 26-15=11, Resulting Numbers: [11] 11,30 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 #0,0,1 Current State: 30:[52, 41], Operations: ['83-57=26', '67-26=41'] Exploring Operation: 52*41=2132, Resulting Numbers: [2132] 2132,30 unequal: No Solution Exploring Operation: 52+41=93, Resulting Numbers: [93] 93,30 unequal: No Solution Exploring Operation: 52-41=11, Resulting Numbers: [11] 11,30 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 #0,0,2 Current State: 30:[67, 2], Operations: ['83-57=26', '52/26=2'] Exploring Operation: 67+2=69, Resulting Numbers: [69] 69,30 unequal: No Solution Exploring Operation: 67-2=65, Resulting Numbers: [65] 65,30 unequal: No Solution Exploring Operation: 67*2=134, Resulting Numbers: [134] 134,30 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 #0,0,3 Current State: 30:[67, 26], Operations: ['83-57=26', '52-26=26'] Exploring Operation: 67*26=1742, Resulting Numbers: [1742] 1742,30 unequal: No Solution Exploring Operation: 67-26=41, Resulting Numbers: [41] 41,30 unequal: No Solution Exploring Operation: 67+26=93, Resulting Numbers: [93] 93,30 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: 30:[67, 57, 31], Operations: ['83-52=31'] Exploring Operation: 67-57=10, Resulting Numbers: [31, 10] Generated Node #0,1,0: 30:[31, 10] Operation: 67-57=10 Exploring Operation: 57-31=26, Resulting Numbers: [67, 26] Generated Node #0,1,1: 30:[67, 26] Operation: 57-31=26 Exploring Operation: 67-31=36, Resulting Numbers: [57, 36] Generated Node #0,1,2: 30:[57, 36] Operation: 67-31=36 Exploring Operation: 67+57=124, Resulting Numbers: [31, 124] Generated Node #0,1,3: 30:[31, 124] Operation: 67+57=124 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 30:[31, 10], Operations: ['83-52=31', '67-57=10'] Exploring Operation: 31-10=21, Resulting Numbers: [21] 21,30 unequal: No Solution Exploring Operation: 31*10=310, Resulting Numbers: [310] 310,30 unequal: No Solution Exploring Operation: 31+10=41, Resulting Numbers: [41] 41,30 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 30:[57, 36], Operations: ['83-52=31', '67-31=36'] Exploring Operation: 57-36=21, Resulting Numbers: [21] 21,30 unequal: No Solution Exploring Operation: 57+36=93, Resulting Numbers: [93] 93,30 unequal: No Solution Exploring Operation: 57*36=2052, Resulting Numbers: [2052] 2052,30 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 30:[67, 26], Operations: ['83-52=31', '57-31=26'] Exploring Operation: 67+26=93, Resulting Numbers: [93] 93,30 unequal: No Solution Exploring Operation: 67-26=41, Resulting Numbers: [41] 41,30 unequal: No Solution Exploring Operation: 67*26=1742, Resulting Numbers: [1742] 1742,30 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 30:[31, 124], Operations: ['83-52=31', '67+57=124'] Exploring Operation: 31*124=3844, Resulting Numbers: [3844] 3844,30 unequal: No Solution Exploring Operation: 124/31=4, Resulting Numbers: [4] 4,30 unequal: No Solution Exploring Operation: 124-31=93, Resulting Numbers: [93] 93,30 unequal: No Solution Exploring Operation: 31+124=155, Resulting Numbers: [155] 155,30 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: 30:[83, 52, 10], Operations: ['67-57=10'] Exploring Operation: 83+10=93, Resulting Numbers: [52, 93] Generated Node #0,2,0: 30:[52, 93] Operation: 83+10=93 Exploring Operation: 83-10=73, Resulting Numbers: [52, 73] Generated Node #0,2,1: 30:[52, 73] Operation: 83-10=73 Exploring Operation: 83-52=31, Resulting Numbers: [10, 31] Generated Node #0,2,2: 30:[10, 31] Operation: 83-52=31 Exploring Operation: 52-10=42, Resulting Numbers: [83, 42] Generated Node #0,2,3: 30:[83, 42] Operation: 52-10=42 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 30:[10, 31], Operations: ['67-57=10', '83-52=31'] Exploring Operation: 10*31=310, Resulting Numbers: [310] 310,30 unequal: No Solution Exploring Operation: 31-10=21, Resulting Numbers: [21] 21,30 unequal: No Solution Exploring Operation: 10+31=41, Resulting Numbers: [41] 41,30 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 30:[52, 73], Operations: ['67-57=10', '83-10=73'] Exploring Operation: 52+73=125, Resulting Numbers: [125] 125,30 unequal: No Solution Exploring Operation: 52*73=3796, Resulting Numbers: [3796] 3796,30 unequal: No Solution Exploring Operation: 73-52=21, Resulting Numbers: [21] 21,30 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 30:[83, 42], Operations: ['67-57=10', '52-10=42'] Exploring Operation: 83+42=125, Resulting Numbers: [125] 125,30 unequal: No Solution Exploring Operation: 83-42=41, Resulting Numbers: [41] 41,30 unequal: No Solution Exploring Operation: 83*42=3486, Resulting Numbers: [3486] 3486,30 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 30:[52, 93], Operations: ['67-57=10', '83+10=93'] Exploring Operation: 52+93=145, Resulting Numbers: [145] 145,30 unequal: No Solution Exploring Operation: 93-52=41, Resulting Numbers: [41] 41,30 unequal: No Solution Exploring Operation: 52*93=4836, Resulting Numbers: [4836] 4836,30 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
[ 57, 16, 80, 58 ]
51
[ "57+16=73", "80-58=22", "73-22=51" ]
Current State: 51:[57, 16, 80, 58], Operations: [] Exploring Operation: 57+16=73, Resulting Numbers: [80, 58, 73] Generated Node #2: [80, 58, 73] from Operation: 57+16=73 Current State: 51:[80, 58, 73], Operations: ['57+16=73'] Exploring Operation: 80-58=22, Resulting Numbers: [73, 22] Generated Node #3: [73, 22] from Operation: 80-58=22 Current State: 51:[73, 22], Operations: ['57+16=73', '80-58=22'] Exploring Operation: 73-22=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[57, 16, 80, 58], Operations: [] Exploring Operation: 80-57=23, Resulting Numbers: [16, 58, 23] Generated Node #0,0: 51:[16, 58, 23] Operation: 80-57=23 Exploring Operation: 80-58=22, Resulting Numbers: [57, 16, 22] Generated Node #0,1: 51:[57, 16, 22] Operation: 80-58=22 Exploring Operation: 80/16=5, Resulting Numbers: [57, 58, 5] Generated Node #0,2: 51:[57, 58, 5] Operation: 80/16=5 Exploring Operation: 80-16=64, Resulting Numbers: [57, 58, 64] Generated Node #0,3: 51:[57, 58, 64] Operation: 80-16=64 Start Sub Search at level 1: Moving to Node #0,1 Current State: 51:[57, 16, 22], Operations: ['80-58=22'] Exploring Operation: 57-22=35, Resulting Numbers: [16, 35] Generated Node #0,1,0: 51:[16, 35] Operation: 57-22=35 Exploring Operation: 22-16=6, Resulting Numbers: [57, 6] Generated Node #0,1,1: 51:[57, 6] Operation: 22-16=6 Exploring Operation: 57-16=41, Resulting Numbers: [22, 41] Generated Node #0,1,2: 51:[22, 41] Operation: 57-16=41 Exploring Operation: 16+22=38, Resulting Numbers: [57, 38] Generated Node #0,1,3: 51:[57, 38] Operation: 16+22=38 Moving to Node #0,1,1 Current State: 51:[57, 6], Operations: ['80-58=22', '22-16=6'] Exploring Operation: 57-6=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Moving to Node #0 Current State: 51:[57, 16, 80, 58], Operations: [] Exploring Operation: 80-58=22, Resulting Numbers: [57, 16, 22] Generated Node #0,1: 51:[57, 16, 22] Operation: 80-58=22 Moving to Node #0,1 Current State: 51:[57, 16, 22], Operations: ['80-58=22'] Exploring Operation: 22-16=6, Resulting Numbers: [57, 6] Generated Node #0,1,1: 51:[57, 6] Operation: 22-16=6 Moving to Node #0,1,1 Current State: 51:[57, 6], Operations: ['80-58=22', '22-16=6'] Exploring Operation: 57-6=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_4
sum_heuristic
[ 82, 57, 63, 8 ]
11
[ "82-57=25", "63+25=88", "88/8=11" ]
Current State: 11:[82, 57, 63, 8], Operations: [] Exploring Operation: 82-57=25, Resulting Numbers: [63, 8, 25] Generated Node #2: [63, 8, 25] from Operation: 82-57=25 Current State: 11:[63, 8, 25], Operations: ['82-57=25'] Exploring Operation: 63+25=88, Resulting Numbers: [8, 88] Generated Node #3: [8, 88] from Operation: 63+25=88 Current State: 11:[8, 88], Operations: ['82-57=25', '63+25=88'] Exploring Operation: 88/8=11, Resulting Numbers: [11] 11,11 equal: Goal Reached
4
Current State: 11:[82, 57, 63, 8], Operations: [] Exploring Operation: 82-63=19, Resulting Numbers: [57, 8, 19] Generated Node #0,0: 11:[57, 8, 19] Operation: 82-63=19 Start Sub Search at level 1: Moving to Node #0,0 Current State: 11:[57, 8, 19], Operations: ['82-63=19'] Exploring Operation: 57/19=3, Resulting Numbers: [8, 3] Generated Node #0,0,0: 11:[8, 3] Operation: 57/19=3 Moving to Node #0,0,0 Current State: 11:[8, 3], Operations: ['82-63=19', '57/19=3'] Exploring Operation: 8+3=11, Resulting Numbers: [11] 11,11 equal: Goal Reached Moving to Node #0 Current State: 11:[82, 57, 63, 8], Operations: [] Exploring Operation: 82-63=19, Resulting Numbers: [57, 8, 19] Generated Node #0,0: 11:[57, 8, 19] Operation: 82-63=19 Moving to Node #0,0 Current State: 11:[57, 8, 19], Operations: ['82-63=19'] Exploring Operation: 57/19=3, Resulting Numbers: [8, 3] Generated Node #0,0,0: 11:[8, 3] Operation: 57/19=3 Moving to Node #0,0,0 Current State: 11:[8, 3], Operations: ['82-63=19', '57/19=3'] Exploring Operation: 8+3=11, Resulting Numbers: [11] 11,11 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 4, 75, 70, 3 ]
52
[ "75-3=72", "72/4=18", "70-18=52" ]
Current State: 52:[4, 75, 70, 3], Operations: [] Exploring Operation: 75-3=72, Resulting Numbers: [4, 70, 72] Generated Node #2: [4, 70, 72] from Operation: 75-3=72 Current State: 52:[4, 70, 72], Operations: ['75-3=72'] Exploring Operation: 72/4=18, Resulting Numbers: [70, 18] Generated Node #3: [70, 18] from Operation: 72/4=18 Current State: 52:[70, 18], Operations: ['75-3=72', '72/4=18'] Exploring Operation: 70-18=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[4, 75, 70, 3], Operations: [] Exploring Operation: 70-4=66, Resulting Numbers: [75, 3, 66] Generated Node #0,0: 52:[75, 3, 66] Operation: 70-4=66 Exploring Operation: 75/3=25, Resulting Numbers: [4, 70, 25] Generated Node #0,1: 52:[4, 70, 25] Operation: 75/3=25 Exploring Operation: 75-3=72, Resulting Numbers: [4, 70, 72] Generated Node #0,2: 52:[4, 70, 72] Operation: 75-3=72 Exploring Operation: 75-4=71, Resulting Numbers: [70, 3, 71] Generated Node #0,3: 52:[70, 3, 71] Operation: 75-4=71 Exploring Operation: 75-70=5, Resulting Numbers: [4, 3, 5] Generated Node #0,4: 52:[4, 3, 5] Operation: 75-70=5 Moving to Node #0,4 Current State: 52:[4, 3, 5], Operations: ['75-70=5'] Exploring Operation: 3*5=15, Resulting Numbers: [4, 15] Generated Node #0,4,0: 52:[4, 15] Operation: 3*5=15 Exploring Operation: 5-3=2, Resulting Numbers: [4, 2] Generated Node #0,4,1: 52:[4, 2] Operation: 5-3=2 Exploring Operation: 5-4=1, Resulting Numbers: [3, 1] Generated Node #0,4,2: 52:[3, 1] Operation: 5-4=1 Exploring Operation: 4-3=1, Resulting Numbers: [5, 1] Generated Node #0,4,3: 52:[5, 1] Operation: 4-3=1 Exploring Operation: 4*3=12, Resulting Numbers: [5, 12] Generated Node #0,4,4: 52:[5, 12] Operation: 4*3=12 Moving to Node #0,1 Current State: 52:[4, 70, 25], Operations: ['75/3=25'] Exploring Operation: 4+25=29, Resulting Numbers: [70, 29] Generated Node #0,1,0: 52:[70, 29] Operation: 4+25=29 Exploring Operation: 25-4=21, Resulting Numbers: [70, 21] Generated Node #0,1,1: 52:[70, 21] Operation: 25-4=21 Exploring Operation: 70-4=66, Resulting Numbers: [25, 66] Generated Node #0,1,2: 52:[25, 66] Operation: 70-4=66 Exploring Operation: 70-25=45, Resulting Numbers: [4, 45] Generated Node #0,1,3: 52:[4, 45] Operation: 70-25=45 Exploring Operation: 4+70=74, Resulting Numbers: [25, 74] Generated Node #0,1,4: 52:[25, 74] Operation: 4+70=74 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 52:[4, 45], Operations: ['75/3=25', '70-25=45'] Exploring Operation: 4+45=49, Resulting Numbers: [49] 49,52 unequal: No Solution Exploring Operation: 4*45=180, Resulting Numbers: [180] 180,52 unequal: No Solution Exploring Operation: 45-4=41, Resulting Numbers: [41] 41,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 52:[25, 66], Operations: ['75/3=25', '70-4=66'] Exploring Operation: 25*66=1650, Resulting Numbers: [1650] 1650,52 unequal: No Solution Exploring Operation: 66-25=41, Resulting Numbers: [41] 41,52 unequal: No Solution Exploring Operation: 25+66=91, Resulting Numbers: [91] 91,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 52:[70, 29], Operations: ['75/3=25', '4+25=29'] Exploring Operation: 70+29=99, Resulting Numbers: [99] 99,52 unequal: No Solution Exploring Operation: 70-29=41, Resulting Numbers: [41] 41,52 unequal: No Solution Exploring Operation: 70*29=2030, Resulting Numbers: [2030] 2030,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 52:[70, 21], Operations: ['75/3=25', '25-4=21'] Exploring Operation: 70-21=49, Resulting Numbers: [49] 49,52 unequal: No Solution Exploring Operation: 70+21=91, Resulting Numbers: [91] 91,52 unequal: No Solution Exploring Operation: 70*21=1470, Resulting Numbers: [1470] 1470,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 52:[25, 74], Operations: ['75/3=25', '4+70=74'] Exploring Operation: 74-25=49, Resulting Numbers: [49] 49,52 unequal: No Solution Exploring Operation: 25*74=1850, Resulting Numbers: [1850] 1850,52 unequal: No Solution Exploring Operation: 25+74=99, Resulting Numbers: [99] 99,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 52:[75, 3, 66], Operations: ['70-4=66'] Exploring Operation: 66-3=63, Resulting Numbers: [75, 63] Generated Node #0,0,0: 52:[75, 63] Operation: 66-3=63 Exploring Operation: 75/3=25, Resulting Numbers: [66, 25] Generated Node #0,0,1: 52:[66, 25] Operation: 75/3=25 Exploring Operation: 75-66=9, Resulting Numbers: [3, 9] Generated Node #0,0,2: 52:[3, 9] Operation: 75-66=9 Exploring Operation: 66/3=22, Resulting Numbers: [75, 22] Generated Node #0,0,3: 52:[75, 22] Operation: 66/3=22 Exploring Operation: 75-3=72, Resulting Numbers: [66, 72] Generated Node #0,0,4: 52:[66, 72] Operation: 75-3=72 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 52:[3, 9], Operations: ['70-4=66', '75-66=9'] Exploring Operation: 3+9=12, Resulting Numbers: [12] 12,52 unequal: No Solution Exploring Operation: 3*9=27, Resulting Numbers: [27] 27,52 unequal: No Solution Exploring Operation: 9-3=6, Resulting Numbers: [6] 6,52 unequal: No Solution Exploring Operation: 9/3=3, Resulting Numbers: [3] 3,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 52:[66, 25], Operations: ['70-4=66', '75/3=25'] Exploring Operation: 66*25=1650, Resulting Numbers: [1650] 1650,52 unequal: No Solution Exploring Operation: 66+25=91, Resulting Numbers: [91] 91,52 unequal: No Solution Exploring Operation: 66-25=41, Resulting Numbers: [41] 41,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 52:[75, 22], Operations: ['70-4=66', '66/3=22'] Exploring Operation: 75+22=97, Resulting Numbers: [97] 97,52 unequal: No Solution Exploring Operation: 75*22=1650, Resulting Numbers: [1650] 1650,52 unequal: No Solution Exploring Operation: 75-22=53, Resulting Numbers: [53] 53,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 52:[75, 63], Operations: ['70-4=66', '66-3=63'] Exploring Operation: 75+63=138, Resulting Numbers: [138] 138,52 unequal: No Solution Exploring Operation: 75-63=12, Resulting Numbers: [12] 12,52 unequal: No Solution Exploring Operation: 75*63=4725, Resulting Numbers: [4725] 4725,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 52:[66, 72], Operations: ['70-4=66', '75-3=72'] Exploring Operation: 72-66=6, Resulting Numbers: [6] 6,52 unequal: No Solution Exploring Operation: 66*72=4752, Resulting Numbers: [4752] 4752,52 unequal: No Solution Exploring Operation: 66+72=138, Resulting Numbers: [138] 138,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 52:[4, 70, 72], Operations: ['75-3=72'] Exploring Operation: 72-70=2, Resulting Numbers: [4, 2] Generated Node #0,2,0: 52:[4, 2] Operation: 72-70=2 Exploring Operation: 70-4=66, Resulting Numbers: [72, 66] Generated Node #0,2,1: 52:[72, 66] Operation: 70-4=66 Exploring Operation: 72/4=18, Resulting Numbers: [70, 18] Generated Node #0,2,2: 52:[70, 18] Operation: 72/4=18 Exploring Operation: 4+70=74, Resulting Numbers: [72, 74] Generated Node #0,2,3: 52:[72, 74] Operation: 4+70=74 Exploring Operation: 72-4=68, Resulting Numbers: [70, 68] Generated Node #0,2,4: 52:[70, 68] Operation: 72-4=68 Moving to Node #0,3 Current State: 52:[70, 3, 71], Operations: ['75-4=71'] Exploring Operation: 71-3=68, Resulting Numbers: [70, 68] Generated Node #0,3,0: 52:[70, 68] Operation: 71-3=68 Exploring Operation: 71-70=1, Resulting Numbers: [3, 1] Generated Node #0,3,1: 52:[3, 1] Operation: 71-70=1 Exploring Operation: 3+71=74, Resulting Numbers: [70, 74] Generated Node #0,3,2: 52:[70, 74] Operation: 3+71=74 Exploring Operation: 70-3=67, Resulting Numbers: [71, 67] Generated Node #0,3,3: 52:[71, 67] Operation: 70-3=67 Exploring Operation: 70+3=73, Resulting Numbers: [71, 73] Generated Node #0,3,4: 52:[71, 73] Operation: 70+3=73 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 52:[3, 1], Operations: ['75-4=71', '71-70=1'] Exploring Operation: 3+1=4, Resulting Numbers: [4] 4,52 unequal: No Solution Exploring Operation: 3/1=3, Resulting Numbers: [3] 3,52 unequal: No Solution Exploring Operation: 3*1=3, Resulting Numbers: [3] 3,52 unequal: No Solution Exploring Operation: 3-1=2, Resulting Numbers: [2] 2,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 52:[70, 68], Operations: ['75-4=71', '71-3=68'] Exploring Operation: 70+68=138, Resulting Numbers: [138] 138,52 unequal: No Solution Exploring Operation: 70-68=2, Resulting Numbers: [2] 2,52 unequal: No Solution Exploring Operation: 70*68=4760, Resulting Numbers: [4760] 4760,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 52:[71, 67], Operations: ['75-4=71', '70-3=67'] Exploring Operation: 71-67=4, Resulting Numbers: [4] 4,52 unequal: No Solution Exploring Operation: 71*67=4757, Resulting Numbers: [4757] 4757,52 unequal: No Solution Exploring Operation: 71+67=138, Resulting Numbers: [138] 138,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 52:[70, 74], Operations: ['75-4=71', '3+71=74'] Exploring Operation: 70*74=5180, Resulting Numbers: [5180] 5180,52 unequal: No Solution Exploring Operation: 74-70=4, Resulting Numbers: [4] 4,52 unequal: No Solution Exploring Operation: 70+74=144, Resulting Numbers: [144] 144,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 52:[71, 73], Operations: ['75-4=71', '70+3=73'] Exploring Operation: 71+73=144, Resulting Numbers: [144] 144,52 unequal: No Solution Exploring Operation: 73-71=2, Resulting Numbers: [2] 2,52 unequal: No Solution Exploring Operation: 71*73=5183, Resulting Numbers: [5183] 5183,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,4,1 Current State: 52:[4, 2], Operations: ['75-70=5', '5-3=2'] Exploring Operation: 4+2=6, Resulting Numbers: [6] 6,52 unequal: No Solution Exploring Operation: 4*2=8, Resulting Numbers: [8] 8,52 unequal: No Solution Exploring Operation: 4/2=2, Resulting Numbers: [2] 2,52 unequal: No Solution Exploring Operation: 4-2=2, Resulting Numbers: [2] 2,52 unequal: No Solution Moving to Node #0,2,0 Current State: 52:[4, 2], Operations: ['75-3=72', '72-70=2'] Exploring Operation: 4/2=2, Resulting Numbers: [2] 2,52 unequal: No Solution Exploring Operation: 4+2=6, Resulting Numbers: [6] 6,52 unequal: No Solution Exploring Operation: 4-2=2, Resulting Numbers: [2] 2,52 unequal: No Solution Exploring Operation: 4*2=8, Resulting Numbers: [8] 8,52 unequal: No Solution Moving to Node #0,4,2 Current State: 52:[3, 1], Operations: ['75-70=5', '5-4=1'] Exploring Operation: 3*1=3, Resulting Numbers: [3] 3,52 unequal: No Solution Exploring Operation: 3-1=2, Resulting Numbers: [2] 2,52 unequal: No Solution Exploring Operation: 3/1=3, Resulting Numbers: [3] 3,52 unequal: No Solution Exploring Operation: 3+1=4, Resulting Numbers: [4] 4,52 unequal: No Solution Moving to Node #0,4,0 Current State: 52:[4, 15], Operations: ['75-70=5', '3*5=15'] Exploring Operation: 4+15=19, Resulting Numbers: [19] 19,52 unequal: No Solution Exploring Operation: 4*15=60, Resulting Numbers: [60] 60,52 unequal: No Solution Exploring Operation: 15-4=11, Resulting Numbers: [11] 11,52 unequal: No Solution Moving to Node #0,4,4 Current State: 52:[5, 12], Operations: ['75-70=5', '4*3=12'] Exploring Operation: 5*12=60, Resulting Numbers: [60] 60,52 unequal: No Solution Exploring Operation: 12-5=7, Resulting Numbers: [7] 7,52 unequal: No Solution Exploring Operation: 5+12=17, Resulting Numbers: [17] 17,52 unequal: No Solution Moving to Node #0,4,3 Current State: 52:[5, 1], Operations: ['75-70=5', '4-3=1'] Exploring Operation: 5*1=5, Resulting Numbers: [5] 5,52 unequal: No Solution Exploring Operation: 5/1=5, Resulting Numbers: [5] 5,52 unequal: No Solution Exploring Operation: 5+1=6, Resulting Numbers: [6] 6,52 unequal: No Solution Exploring Operation: 5-1=4, Resulting Numbers: [4] 4,52 unequal: No Solution Moving to Node #0,2,2 Current State: 52:[70, 18], Operations: ['75-3=72', '72/4=18'] Exploring Operation: 70-18=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Moving to Node #0 Current State: 52:[4, 75, 70, 3], Operations: [] Exploring Operation: 75-3=72, Resulting Numbers: [4, 70, 72] Generated Node #0,2: 52:[4, 70, 72] Operation: 75-3=72 Moving to Node #0,2 Current State: 52:[4, 70, 72], Operations: ['75-3=72'] Exploring Operation: 72/4=18, Resulting Numbers: [70, 18] Generated Node #0,2,2: 52:[70, 18] Operation: 72/4=18 Moving to Node #0,2,2 Current State: 52:[70, 18], Operations: ['75-3=72', '72/4=18'] Exploring Operation: 70-18=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
0.909722
hs_5
sum_heuristic
[ 97, 12, 28, 90 ]
47
[ "97+12=109", "90-28=62", "109-62=47" ]
Current State: 47:[97, 12, 28, 90], Operations: [] Exploring Operation: 97+12=109, Resulting Numbers: [28, 90, 109] Generated Node #2: [28, 90, 109] from Operation: 97+12=109 Current State: 47:[28, 90, 109], Operations: ['97+12=109'] Exploring Operation: 90-28=62, Resulting Numbers: [109, 62] Generated Node #3: [109, 62] from Operation: 90-28=62 Current State: 47:[109, 62], Operations: ['97+12=109', '90-28=62'] Exploring Operation: 109-62=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[97, 12, 28, 90], Operations: [] Exploring Operation: 97-28=69, Resulting Numbers: [12, 90, 69] Generated Node #0,0: 47:[12, 90, 69] Operation: 97-28=69 Exploring Operation: 97-12=85, Resulting Numbers: [28, 90, 85] Generated Node #0,1: 47:[28, 90, 85] Operation: 97-12=85 Exploring Operation: 97-90=7, Resulting Numbers: [12, 28, 7] Generated Node #0,2: 47:[12, 28, 7] Operation: 97-90=7 Moving to Node #0,2 Current State: 47:[12, 28, 7], Operations: ['97-90=7'] Exploring Operation: 28+7=35, Resulting Numbers: [12, 35] Generated Node #0,2,0: 47:[12, 35] Operation: 28+7=35 Exploring Operation: 12+7=19, Resulting Numbers: [28, 19] Generated Node #0,2,1: 47:[28, 19] Operation: 12+7=19 Exploring Operation: 12+28=40, Resulting Numbers: [7, 40] Generated Node #0,2,2: 47:[7, 40] Operation: 12+28=40 Moving to Node #0,0 Current State: 47:[12, 90, 69], Operations: ['97-28=69'] Exploring Operation: 69-12=57, Resulting Numbers: [90, 57] Generated Node #0,0,0: 47:[90, 57] Operation: 69-12=57 Exploring Operation: 90-12=78, Resulting Numbers: [69, 78] Generated Node #0,0,1: 47:[69, 78] Operation: 90-12=78 Exploring Operation: 90-69=21, Resulting Numbers: [12, 21] Generated Node #0,0,2: 47:[12, 21] Operation: 90-69=21 Moving to Node #0,1 Current State: 47:[28, 90, 85], Operations: ['97-12=85'] Exploring Operation: 90-85=5, Resulting Numbers: [28, 5] Generated Node #0,1,0: 47:[28, 5] Operation: 90-85=5 Exploring Operation: 85-28=57, Resulting Numbers: [90, 57] Generated Node #0,1,1: 47:[90, 57] Operation: 85-28=57 Exploring Operation: 90-28=62, Resulting Numbers: [85, 62] Generated Node #0,1,2: 47:[85, 62] Operation: 90-28=62 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 47:[90, 57], Operations: ['97-12=85', '85-28=57'] Exploring Operation: 90*57=5130, Resulting Numbers: [5130] 5130,47 unequal: No Solution Exploring Operation: 90-57=33, Resulting Numbers: [33] 33,47 unequal: No Solution Exploring Operation: 90+57=147, Resulting Numbers: [147] 147,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 47:[85, 62], Operations: ['97-12=85', '90-28=62'] Exploring Operation: 85+62=147, Resulting Numbers: [147] 147,47 unequal: No Solution Exploring Operation: 85*62=5270, Resulting Numbers: [5270] 5270,47 unequal: No Solution Exploring Operation: 85-62=23, Resulting Numbers: [23] 23,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 47:[28, 5], Operations: ['97-12=85', '90-85=5'] Exploring Operation: 28-5=23, Resulting Numbers: [23] 23,47 unequal: No Solution Exploring Operation: 28+5=33, Resulting Numbers: [33] 33,47 unequal: No Solution Exploring Operation: 28*5=140, Resulting Numbers: [140] 140,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2,0 Current State: 47:[12, 35], Operations: ['97-90=7', '28+7=35'] Exploring Operation: 12*35=420, Resulting Numbers: [420] 420,47 unequal: No Solution Exploring Operation: 12+35=47, Resulting Numbers: [47] 47,47 equal: Goal Reached Moving to Node #0 Current State: 47:[97, 12, 28, 90], Operations: [] Exploring Operation: 97-90=7, Resulting Numbers: [12, 28, 7] Generated Node #0,2: 47:[12, 28, 7] Operation: 97-90=7 Moving to Node #0,2 Current State: 47:[12, 28, 7], Operations: ['97-90=7'] Exploring Operation: 28+7=35, Resulting Numbers: [12, 35] Generated Node #0,2,0: 47:[12, 35] Operation: 28+7=35 Moving to Node #0,2,0 Current State: 47:[12, 35], Operations: ['97-90=7', '28+7=35'] Exploring Operation: 12+35=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
0.976563
hs_3
sum_heuristic
[ 51, 91, 11, 17 ]
68
[ "91-51=40", "11+17=28", "40+28=68" ]
Current State: 68:[51, 91, 11, 17], Operations: [] Exploring Operation: 91-51=40, Resulting Numbers: [11, 17, 40] Generated Node #2: [11, 17, 40] from Operation: 91-51=40 Current State: 68:[11, 17, 40], Operations: ['91-51=40'] Exploring Operation: 11+17=28, Resulting Numbers: [40, 28] Generated Node #3: [40, 28] from Operation: 11+17=28 Current State: 68:[40, 28], Operations: ['91-51=40', '11+17=28'] Exploring Operation: 40+28=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
4
Current State: 68:[51, 91, 11, 17], Operations: [] Exploring Operation: 91-51=40, Resulting Numbers: [11, 17, 40] Generated Node #0,0: 68:[11, 17, 40] Operation: 91-51=40 Start Sub Search at level 1: Moving to Node #0,0 Current State: 68:[11, 17, 40], Operations: ['91-51=40'] Exploring Operation: 40-11=29, Resulting Numbers: [17, 29] Generated Node #0,0,0: 68:[17, 29] Operation: 40-11=29 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 68:[17, 29], Operations: ['91-51=40', '40-11=29'] Exploring Operation: 29-17=12, Resulting Numbers: [12] 12,68 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 10, 44, 18, 80 ]
42
[ "10*80=800", "800-44=756", "756/18=42" ]
Current State: 42:[10, 44, 18, 80], Operations: [] Exploring Operation: 10*80=800, Resulting Numbers: [44, 18, 800] Generated Node #2: [44, 18, 800] from Operation: 10*80=800 Current State: 42:[44, 18, 800], Operations: ['10*80=800'] Exploring Operation: 800-44=756, Resulting Numbers: [18, 756] Generated Node #3: [18, 756] from Operation: 800-44=756 Current State: 42:[18, 756], Operations: ['10*80=800', '800-44=756'] Exploring Operation: 756/18=42, Resulting Numbers: [42] 42,42 equal: Goal Reached
4
Current State: 42:[10, 44, 18, 80], Operations: [] Exploring Operation: 80-10=70, Resulting Numbers: [44, 18, 70] Generated Node #0,0: 42:[44, 18, 70] Operation: 80-10=70 Exploring Operation: 80-18=62, Resulting Numbers: [10, 44, 62] Generated Node #0,1: 42:[10, 44, 62] Operation: 80-18=62 Exploring Operation: 80/10=8, Resulting Numbers: [44, 18, 8] Generated Node #0,2: 42:[44, 18, 8] Operation: 80/10=8 Exploring Operation: 80-44=36, Resulting Numbers: [10, 18, 36] Generated Node #0,3: 42:[10, 18, 36] Operation: 80-44=36 Exploring Operation: 18-10=8, Resulting Numbers: [44, 80, 8] Generated Node #0,4: 42:[44, 80, 8] Operation: 18-10=8 Start Sub Search at level 1: Moving to Node #0,2 Current State: 42:[44, 18, 8], Operations: ['80/10=8'] Exploring Operation: 18+8=26, Resulting Numbers: [44, 26] Generated Node #0,2,0: 42:[44, 26] Operation: 18+8=26 Exploring Operation: 18-8=10, Resulting Numbers: [44, 10] Generated Node #0,2,1: 42:[44, 10] Operation: 18-8=10 Exploring Operation: 44+8=52, Resulting Numbers: [18, 52] Generated Node #0,2,2: 42:[18, 52] Operation: 44+8=52 Exploring Operation: 44-8=36, Resulting Numbers: [18, 36] Generated Node #0,2,3: 42:[18, 36] Operation: 44-8=36 Exploring Operation: 44-18=26, Resulting Numbers: [8, 26] Generated Node #0,2,4: 42:[8, 26] Operation: 44-18=26 Moving to Node #0,2,1 Current State: 42:[44, 10], Operations: ['80/10=8', '18-8=10'] Exploring Operation: 44*10=440, Resulting Numbers: [440] 440,42 unequal: No Solution Exploring Operation: 44+10=54, Resulting Numbers: [54] 54,42 unequal: No Solution Exploring Operation: 44-10=34, Resulting Numbers: [34] 34,42 unequal: No Solution Moving to Node #0,2,4 Current State: 42:[8, 26], Operations: ['80/10=8', '44-18=26'] Exploring Operation: 8+26=34, Resulting Numbers: [34] 34,42 unequal: No Solution Exploring Operation: 8*26=208, Resulting Numbers: [208] 208,42 unequal: No Solution Exploring Operation: 26-8=18, Resulting Numbers: [18] 18,42 unequal: No Solution Moving to Node #0,2,0 Current State: 42:[44, 26], Operations: ['80/10=8', '18+8=26'] Exploring Operation: 44-26=18, Resulting Numbers: [18] 18,42 unequal: No Solution Exploring Operation: 44*26=1144, Resulting Numbers: [1144] 1144,42 unequal: No Solution Exploring Operation: 44+26=70, Resulting Numbers: [70] 70,42 unequal: No Solution Moving to Node #0,2,3 Current State: 42:[18, 36], Operations: ['80/10=8', '44-8=36'] Exploring Operation: 18+36=54, Resulting Numbers: [54] 54,42 unequal: No Solution Exploring Operation: 36-18=18, Resulting Numbers: [18] 18,42 unequal: No Solution Exploring Operation: 36/18=2, Resulting Numbers: [2] 2,42 unequal: No Solution Exploring Operation: 18*36=648, Resulting Numbers: [648] 648,42 unequal: No Solution Moving to Node #0,2,2 Current State: 42:[18, 52], Operations: ['80/10=8', '44+8=52'] Exploring Operation: 52-18=34, Resulting Numbers: [34] 34,42 unequal: No Solution Exploring Operation: 18+52=70, Resulting Numbers: [70] 70,42 unequal: No Solution Exploring Operation: 18*52=936, Resulting Numbers: [936] 936,42 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 42:[10, 18, 36], Operations: ['80-44=36'] Exploring Operation: 36-18=18, Resulting Numbers: [10, 18] Generated Node #0,3,0: 42:[10, 18] Operation: 36-18=18 Exploring Operation: 36/18=2, Resulting Numbers: [10, 2] Generated Node #0,3,1: 42:[10, 2] Operation: 36/18=2 Exploring Operation: 10+36=46, Resulting Numbers: [18, 46] Generated Node #0,3,2: 42:[18, 46] Operation: 10+36=46 Exploring Operation: 36-10=26, Resulting Numbers: [18, 26] Generated Node #0,3,3: 42:[18, 26] Operation: 36-10=26 Exploring Operation: 18-10=8, Resulting Numbers: [36, 8] Generated Node #0,3,4: 42:[36, 8] Operation: 18-10=8 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 42:[10, 2], Operations: ['80-44=36', '36/18=2'] Exploring Operation: 10/2=5, Resulting Numbers: [5] 5,42 unequal: No Solution Exploring Operation: 10*2=20, Resulting Numbers: [20] 20,42 unequal: No Solution Exploring Operation: 10-2=8, Resulting Numbers: [8] 8,42 unequal: No Solution Exploring Operation: 10+2=12, Resulting Numbers: [12] 12,42 unequal: No Solution No 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: 42:[10, 18], Operations: ['80-44=36', '36-18=18'] Exploring Operation: 10*18=180, Resulting Numbers: [180] 180,42 unequal: No Solution Exploring Operation: 10+18=28, Resulting Numbers: [28] 28,42 unequal: No Solution Exploring Operation: 18-10=8, Resulting Numbers: [8] 8,42 unequal: No Solution No 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: 42:[18, 46], Operations: ['80-44=36', '10+36=46'] Exploring Operation: 18*46=828, Resulting Numbers: [828] 828,42 unequal: No Solution Exploring Operation: 46-18=28, Resulting Numbers: [28] 28,42 unequal: No Solution Exploring Operation: 18+46=64, Resulting Numbers: [64] 64,42 unequal: No Solution No 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: 42:[36, 8], Operations: ['80-44=36', '18-10=8'] Exploring Operation: 36+8=44, Resulting Numbers: [44] 44,42 unequal: No Solution Exploring Operation: 36*8=288, Resulting Numbers: [288] 288,42 unequal: No Solution Exploring Operation: 36-8=28, Resulting Numbers: [28] 28,42 unequal: No Solution No 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: 42:[18, 26], Operations: ['80-44=36', '36-10=26'] Exploring Operation: 18+26=44, Resulting Numbers: [44] 44,42 unequal: No Solution Exploring Operation: 18*26=468, Resulting Numbers: [468] 468,42 unequal: No Solution Exploring Operation: 26-18=8, Resulting Numbers: [8] 8,42 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: 42:[10, 44, 62], Operations: ['80-18=62'] Exploring Operation: 44-10=34, Resulting Numbers: [62, 34] Generated Node #0,1,0: 42:[62, 34] Operation: 44-10=34 Exploring Operation: 62-44=18, Resulting Numbers: [10, 18] Generated Node #0,1,1: 42:[10, 18] Operation: 62-44=18 Exploring Operation: 62-10=52, Resulting Numbers: [44, 52] Generated Node #0,1,2: 42:[44, 52] Operation: 62-10=52 Exploring Operation: 10+44=54, Resulting Numbers: [62, 54] Generated Node #0,1,3: 42:[62, 54] Operation: 10+44=54 Exploring Operation: 10+62=72, Resulting Numbers: [44, 72] Generated Node #0,1,4: 42:[44, 72] Operation: 10+62=72 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 42:[10, 18], Operations: ['80-18=62', '62-44=18'] Exploring Operation: 10+18=28, Resulting Numbers: [28] 28,42 unequal: No Solution Exploring Operation: 10*18=180, Resulting Numbers: [180] 180,42 unequal: No Solution Exploring Operation: 18-10=8, Resulting Numbers: [8] 8,42 unequal: No Solution No 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: 42:[44, 52], Operations: ['80-18=62', '62-10=52'] Exploring Operation: 44*52=2288, Resulting Numbers: [2288] 2288,42 unequal: No Solution Exploring Operation: 44+52=96, Resulting Numbers: [96] 96,42 unequal: No Solution Exploring Operation: 52-44=8, Resulting Numbers: [8] 8,42 unequal: No Solution No 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: 42:[62, 34], Operations: ['80-18=62', '44-10=34'] Exploring Operation: 62+34=96, Resulting Numbers: [96] 96,42 unequal: No Solution Exploring Operation: 62*34=2108, Resulting Numbers: [2108] 2108,42 unequal: No Solution Exploring Operation: 62-34=28, Resulting Numbers: [28] 28,42 unequal: No Solution No 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: 42:[62, 54], Operations: ['80-18=62', '10+44=54'] Exploring Operation: 62+54=116, Resulting Numbers: [116] 116,42 unequal: No Solution Exploring Operation: 62-54=8, Resulting Numbers: [8] 8,42 unequal: No Solution Exploring Operation: 62*54=3348, Resulting Numbers: [3348] 3348,42 unequal: No Solution No 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: 42:[44, 72], Operations: ['80-18=62', '10+62=72'] Exploring Operation: 44+72=116, Resulting Numbers: [116] 116,42 unequal: No Solution Exploring Operation: 44*72=3168, Resulting Numbers: [3168] 3168,42 unequal: No Solution Exploring Operation: 72-44=28, Resulting Numbers: [28] 28,42 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: 42:[44, 18, 70], Operations: ['80-10=70'] Exploring Operation: 44-18=26, Resulting Numbers: [70, 26] Generated Node #0,0,0: 42:[70, 26] Operation: 44-18=26 Exploring Operation: 44+18=62, Resulting Numbers: [70, 62] Generated Node #0,0,1: 42:[70, 62] Operation: 44+18=62 Exploring Operation: 70-18=52, Resulting Numbers: [44, 52] Generated Node #0,0,2: 42:[44, 52] Operation: 70-18=52 Exploring Operation: 18+70=88, Resulting Numbers: [44, 88] Generated Node #0,0,3: 42:[44, 88] Operation: 18+70=88 Exploring Operation: 70-44=26, Resulting Numbers: [18, 26] Generated Node #0,0,4: 42:[18, 26] Operation: 70-44=26 Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 42:[18, 26], Operations: ['80-10=70', '70-44=26'] Exploring Operation: 18+26=44, Resulting Numbers: [44] 44,42 unequal: No Solution Exploring Operation: 26-18=8, Resulting Numbers: [8] 8,42 unequal: No Solution Exploring Operation: 18*26=468, Resulting Numbers: [468] 468,42 unequal: No Solution No 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: 42:[44, 52], Operations: ['80-10=70', '70-18=52'] Exploring Operation: 44+52=96, Resulting Numbers: [96] 96,42 unequal: No Solution Exploring Operation: 52-44=8, Resulting Numbers: [8] 8,42 unequal: No Solution Exploring Operation: 44*52=2288, Resulting Numbers: [2288] 2288,42 unequal: No Solution No 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: 42:[70, 26], Operations: ['80-10=70', '44-18=26'] Exploring Operation: 70+26=96, Resulting Numbers: [96] 96,42 unequal: No Solution Exploring Operation: 70-26=44, Resulting Numbers: [44] 44,42 unequal: No Solution Exploring Operation: 70*26=1820, Resulting Numbers: [1820] 1820,42 unequal: No Solution No 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: 42:[70, 62], Operations: ['80-10=70', '44+18=62'] Exploring Operation: 70-62=8, Resulting Numbers: [8] 8,42 unequal: No Solution Exploring Operation: 70*62=4340, Resulting Numbers: [4340] 4340,42 unequal: No Solution Exploring Operation: 70+62=132, Resulting Numbers: [132] 132,42 unequal: No Solution No 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: 42:[44, 88], Operations: ['80-10=70', '18+70=88'] Exploring Operation: 44+88=132, Resulting Numbers: [132] 132,42 unequal: No Solution Exploring Operation: 44*88=3872, Resulting Numbers: [3872] 3872,42 unequal: No Solution Exploring Operation: 88-44=44, Resulting Numbers: [44] 44,42 unequal: No Solution Exploring Operation: 88/44=2, Resulting Numbers: [2] 2,42 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: 42:[44, 80, 8], Operations: ['18-10=8'] Exploring Operation: 80-8=72, Resulting Numbers: [44, 72] Generated Node #0,4,0: 42:[44, 72] Operation: 80-8=72 Exploring Operation: 80/8=10, Resulting Numbers: [44, 10] Generated Node #0,4,1: 42:[44, 10] Operation: 80/8=10 Exploring Operation: 80-44=36, Resulting Numbers: [8, 36] Generated Node #0,4,2: 42:[8, 36] Operation: 80-44=36 Exploring Operation: 44-8=36, Resulting Numbers: [80, 36] Generated Node #0,4,3: 42:[80, 36] Operation: 44-8=36 Exploring Operation: 44+8=52, Resulting Numbers: [80, 52] Generated Node #0,4,4: 42:[80, 52] Operation: 44+8=52 Moving to Node #0,4,1 Current State: 42:[44, 10], Operations: ['18-10=8', '80/8=10'] Exploring Operation: 44*10=440, Resulting Numbers: [440] 440,42 unequal: No Solution Exploring Operation: 44+10=54, Resulting Numbers: [54] 54,42 unequal: No Solution Exploring Operation: 44-10=34, Resulting Numbers: [34] 34,42 unequal: No Solution Moving to Node #0,4,2 Current State: 42:[8, 36], Operations: ['18-10=8', '80-44=36'] Exploring Operation: 8+36=44, Resulting Numbers: [44] 44,42 unequal: No Solution Exploring Operation: 8*36=288, Resulting Numbers: [288] 288,42 unequal: No Solution Exploring Operation: 36-8=28, Resulting Numbers: [28] 28,42 unequal: No Solution Moving to Node #0,4,0 Current State: 42:[44, 72], Operations: ['18-10=8', '80-8=72'] Exploring Operation: 44+72=116, Resulting Numbers: [116] 116,42 unequal: No Solution Exploring Operation: 72-44=28, Resulting Numbers: [28] 28,42 unequal: No Solution Exploring Operation: 44*72=3168, Resulting Numbers: [3168] 3168,42 unequal: No Solution Moving to Node #0,4,3 Current State: 42:[80, 36], Operations: ['18-10=8', '44-8=36'] Exploring Operation: 80*36=2880, Resulting Numbers: [2880] 2880,42 unequal: No Solution Exploring Operation: 80-36=44, Resulting Numbers: [44] 44,42 unequal: No Solution Exploring Operation: 80+36=116, Resulting Numbers: [116] 116,42 unequal: No Solution Moving to Node #0,4,4 Current State: 42:[80, 52], Operations: ['18-10=8', '44+8=52'] Exploring Operation: 80-52=28, Resulting Numbers: [28] 28,42 unequal: No Solution Exploring Operation: 80+52=132, Resulting Numbers: [132] 132,42 unequal: No Solution Exploring Operation: 80*52=4160, Resulting Numbers: [4160] 4160,42 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
[ 86, 46, 77, 34 ]
21
[ "86+46=132", "77+34=111", "132-111=21" ]
Current State: 21:[86, 46, 77, 34], Operations: [] Exploring Operation: 86+46=132, Resulting Numbers: [77, 34, 132] Generated Node #2: [77, 34, 132] from Operation: 86+46=132 Current State: 21:[77, 34, 132], Operations: ['86+46=132'] Exploring Operation: 77+34=111, Resulting Numbers: [132, 111] Generated Node #3: [132, 111] from Operation: 77+34=111 Current State: 21:[132, 111], Operations: ['86+46=132', '77+34=111'] Exploring Operation: 132-111=21, Resulting Numbers: [21] 21,21 equal: Goal Reached
4
Current State: 21:[86, 46, 77, 34], Operations: [] Exploring Operation: 86-77=9, Resulting Numbers: [46, 34, 9] Generated Node #0,0: 21:[46, 34, 9] Operation: 86-77=9 Exploring Operation: 86-46=40, Resulting Numbers: [77, 34, 40] Generated Node #0,1: 21:[77, 34, 40] Operation: 86-46=40 Moving to Node #0,0 Current State: 21:[46, 34, 9], Operations: ['86-77=9'] Exploring Operation: 46-34=12, Resulting Numbers: [9, 12] Generated Node #0,0,0: 21:[9, 12] Operation: 46-34=12 Exploring Operation: 46-9=37, Resulting Numbers: [34, 37] Generated Node #0,0,1: 21:[34, 37] Operation: 46-9=37 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 21:[9, 12], Operations: ['86-77=9', '46-34=12'] Exploring Operation: 12-9=3, Resulting Numbers: [3] 3,21 unequal: No Solution Exploring Operation: 9+12=21, Resulting Numbers: [21] 21,21 equal: Goal Reached Moving to Node #0 Current State: 21:[86, 46, 77, 34], Operations: [] Exploring Operation: 86-77=9, Resulting Numbers: [46, 34, 9] Generated Node #0,0: 21:[46, 34, 9] Operation: 86-77=9 Moving to Node #0,0 Current State: 21:[46, 34, 9], Operations: ['86-77=9'] Exploring Operation: 46-34=12, Resulting Numbers: [9, 12] Generated Node #0,0,0: 21:[9, 12] Operation: 46-34=12 Moving to Node #0,0,0 Current State: 21:[9, 12], Operations: ['86-77=9', '46-34=12'] Exploring Operation: 9+12=21, Resulting Numbers: [21] 21,21 equal: Goal Reached Exit Sub Search at level 1
0.991319
hs_2
mult_heuristic
[ 31, 30, 3, 82 ]
84
[ "31-30=1", "3+82=85", "85-1=84" ]
Current State: 84:[31, 30, 3, 82], Operations: [] Exploring Operation: 31-30=1, Resulting Numbers: [3, 82, 1] Generated Node #2: [3, 82, 1] from Operation: 31-30=1 Current State: 84:[3, 82, 1], Operations: ['31-30=1'] Exploring Operation: 3+82=85, Resulting Numbers: [1, 85] Generated Node #3: [1, 85] from Operation: 3+82=85 Current State: 84:[1, 85], Operations: ['31-30=1', '3+82=85'] Exploring Operation: 85-1=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
4
Current State: 84:[31, 30, 3, 82], Operations: [] Exploring Operation: 31-30=1, Resulting Numbers: [3, 82, 1] Generated Node #0,0: 84:[3, 82, 1] Operation: 31-30=1 Exploring Operation: 31-3=28, Resulting Numbers: [30, 82, 28] Generated Node #0,1: 84:[30, 82, 28] Operation: 31-3=28 Moving to Node #0,0 Current State: 84:[3, 82, 1], Operations: ['31-30=1'] Exploring Operation: 82+1=83, Resulting Numbers: [3, 83] Generated Node #0,0,0: 84:[3, 83] Operation: 82+1=83 Exploring Operation: 3+82=85, Resulting Numbers: [1, 85] Generated Node #0,0,1: 84:[1, 85] Operation: 3+82=85 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 84:[3, 83], Operations: ['31-30=1', '82+1=83'] Exploring Operation: 83-3=80, Resulting Numbers: [80] 80,84 unequal: No Solution Exploring Operation: 3+83=86, Resulting Numbers: [86] 86,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 84:[1, 85], Operations: ['31-30=1', '3+82=85'] Exploring Operation: 1*85=85, Resulting Numbers: [85] 85,84 unequal: No Solution Exploring Operation: 85-1=84, Resulting Numbers: [84] 84,84 equal: Goal Reached Moving to Node #0 Current State: 84:[31, 30, 3, 82], Operations: [] Exploring Operation: 31-30=1, Resulting Numbers: [3, 82, 1] Generated Node #0,0: 84:[3, 82, 1] Operation: 31-30=1 Moving to Node #0,0 Current State: 84:[3, 82, 1], Operations: ['31-30=1'] Exploring Operation: 3+82=85, Resulting Numbers: [1, 85] Generated Node #0,0,1: 84:[1, 85] Operation: 3+82=85 Moving to Node #0,0,1 Current State: 84:[1, 85], Operations: ['31-30=1', '3+82=85'] Exploring Operation: 85-1=84, Resulting Numbers: [84] 84,84 equal: Goal Reached Exit Sub Search at level 1
0.989583
hs_2
mult_heuristic
[ 13, 85, 62, 78 ]
68
[ "85-13=72", "62+78=140", "140-72=68" ]
Current State: 68:[13, 85, 62, 78], Operations: [] Exploring Operation: 85-13=72, Resulting Numbers: [62, 78, 72] Generated Node #2: [62, 78, 72] from Operation: 85-13=72 Current State: 68:[62, 78, 72], Operations: ['85-13=72'] Exploring Operation: 62+78=140, Resulting Numbers: [72, 140] Generated Node #3: [72, 140] from Operation: 62+78=140 Current State: 68:[72, 140], Operations: ['85-13=72', '62+78=140'] Exploring Operation: 140-72=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
4
Current State: 68:[13, 85, 62, 78], Operations: [] Exploring Operation: 78/13=6, Resulting Numbers: [85, 62, 6] Generated Node #0,0: 68:[85, 62, 6] Operation: 78/13=6 Exploring Operation: 85-78=7, Resulting Numbers: [13, 62, 7] Generated Node #0,1: 68:[13, 62, 7] Operation: 85-78=7 Exploring Operation: 85-62=23, Resulting Numbers: [13, 78, 23] Generated Node #0,2: 68:[13, 78, 23] Operation: 85-62=23 Exploring Operation: 85-13=72, Resulting Numbers: [62, 78, 72] Generated Node #0,3: 68:[62, 78, 72] Operation: 85-13=72 Exploring Operation: 78-62=16, Resulting Numbers: [13, 85, 16] Generated Node #0,4: 68:[13, 85, 16] Operation: 78-62=16 Start Sub Search at level 1: Moving to Node #0,1 Current State: 68:[13, 62, 7], Operations: ['85-78=7'] Exploring Operation: 13+7=20, Resulting Numbers: [62, 20] Generated Node #0,1,0: 68:[62, 20] Operation: 13+7=20 Exploring Operation: 62+7=69, Resulting Numbers: [13, 69] Generated Node #0,1,1: 68:[13, 69] Operation: 62+7=69 Exploring Operation: 62-7=55, Resulting Numbers: [13, 55] Generated Node #0,1,2: 68:[13, 55] Operation: 62-7=55 Exploring Operation: 13+62=75, Resulting Numbers: [7, 75] Generated Node #0,1,3: 68:[7, 75] Operation: 13+62=75 Exploring Operation: 13-7=6, Resulting Numbers: [62, 6] Generated Node #0,1,4: 68:[62, 6] Operation: 13-7=6 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 68:[13, 69], Operations: ['85-78=7', '62+7=69'] Exploring Operation: 13*69=897, Resulting Numbers: [897] 897,68 unequal: No Solution Exploring Operation: 13+69=82, Resulting Numbers: [82] 82,68 unequal: No Solution Exploring Operation: 69-13=56, Resulting Numbers: [56] 56,68 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 68:[62, 6], Operations: ['85-78=7', '13-7=6'] Exploring Operation: 62+6=68, Resulting Numbers: [68] 68,68 equal: Goal Reached Moving to Node #0 Current State: 68:[13, 85, 62, 78], Operations: [] Exploring Operation: 85-78=7, Resulting Numbers: [13, 62, 7] Generated Node #0,1: 68:[13, 62, 7] Operation: 85-78=7 Moving to Node #0,1 Current State: 68:[13, 62, 7], Operations: ['85-78=7'] Exploring Operation: 13-7=6, Resulting Numbers: [62, 6] Generated Node #0,1,4: 68:[62, 6] Operation: 13-7=6 Moving to Node #0,1,4 Current State: 68:[62, 6], Operations: ['85-78=7', '13-7=6'] Exploring Operation: 62+6=68, Resulting Numbers: [68] 68,68 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.984375
hs_5
mult_heuristic
[ 89, 78, 17, 87 ]
100
[ "89-78=11", "17*11=187", "187-87=100" ]
Current State: 100:[89, 78, 17, 87], Operations: [] Exploring Operation: 89-78=11, Resulting Numbers: [17, 87, 11] Generated Node #2: [17, 87, 11] from Operation: 89-78=11 Current State: 100:[17, 87, 11], Operations: ['89-78=11'] Exploring Operation: 17*11=187, Resulting Numbers: [87, 187] Generated Node #3: [87, 187] from Operation: 17*11=187 Current State: 100:[87, 187], Operations: ['89-78=11', '17*11=187'] Exploring Operation: 187-87=100, Resulting Numbers: [100] 100,100 equal: Goal Reached
4
Current State: 100:[89, 78, 17, 87], Operations: [] Exploring Operation: 87-78=9, Resulting Numbers: [89, 17, 9] Generated Node #0,0: 100:[89, 17, 9] Operation: 87-78=9 Moving to Node #0,0 Current State: 100:[89, 17, 9], Operations: ['87-78=9'] Exploring Operation: 89+9=98, Resulting Numbers: [17, 98] Generated Node #0,0,0: 100:[17, 98] Operation: 89+9=98 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 100:[17, 98], Operations: ['87-78=9', '89+9=98'] Exploring Operation: 17+98=115, Resulting Numbers: [115] 115,100 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 16, 73, 96, 77 ]
19
[ "16*96=1536", "1536-73=1463", "1463/77=19" ]
Current State: 19:[16, 73, 96, 77], Operations: [] Exploring Operation: 16*96=1536, Resulting Numbers: [73, 77, 1536] Generated Node #2: [73, 77, 1536] from Operation: 16*96=1536 Current State: 19:[73, 77, 1536], Operations: ['16*96=1536'] Exploring Operation: 1536-73=1463, Resulting Numbers: [77, 1463] Generated Node #3: [77, 1463] from Operation: 1536-73=1463 Current State: 19:[77, 1463], Operations: ['16*96=1536', '1536-73=1463'] Exploring Operation: 1463/77=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
4
Current State: 19:[16, 73, 96, 77], Operations: [] Exploring Operation: 96-73=23, Resulting Numbers: [16, 77, 23] Generated Node #0,0: 19:[16, 77, 23] Operation: 96-73=23 Exploring Operation: 77-73=4, Resulting Numbers: [16, 96, 4] Generated Node #0,1: 19:[16, 96, 4] Operation: 77-73=4 Exploring Operation: 96-77=19, Resulting Numbers: [16, 73, 19] Generated Node #0,2: 19:[16, 73, 19] Operation: 96-77=19 Moving to Node #0,2 Current State: 19:[16, 73, 19], Operations: ['96-77=19'] Exploring Operation: 16+73=89, Resulting Numbers: [19, 89] Generated Node #0,2,0: 19:[19, 89] Operation: 16+73=89 Exploring Operation: 73-19=54, Resulting Numbers: [16, 54] Generated Node #0,2,1: 19:[16, 54] Operation: 73-19=54 Exploring Operation: 73-16=57, Resulting Numbers: [19, 57] Generated Node #0,2,2: 19:[19, 57] Operation: 73-16=57 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 19:[16, 54], Operations: ['96-77=19', '73-19=54'] Exploring Operation: 54-16=38, Resulting Numbers: [38] 38,19 unequal: No Solution Exploring Operation: 16+54=70, Resulting Numbers: [70] 70,19 unequal: No Solution Exploring Operation: 16*54=864, Resulting Numbers: [864] 864,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 19:[19, 57], Operations: ['96-77=19', '73-16=57'] Exploring Operation: 57-19=38, Resulting Numbers: [38] 38,19 unequal: No Solution Exploring Operation: 19+57=76, Resulting Numbers: [76] 76,19 unequal: No Solution Exploring Operation: 57/19=3, Resulting Numbers: [3] 3,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 19:[19, 89], Operations: ['96-77=19', '16+73=89'] Exploring Operation: 19+89=108, Resulting Numbers: [108] 108,19 unequal: No Solution Exploring Operation: 19*89=1691, Resulting Numbers: [1691] 1691,19 unequal: No Solution Exploring Operation: 89-19=70, Resulting Numbers: [70] 70,19 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: 19:[16, 77, 23], Operations: ['96-73=23'] Exploring Operation: 23-16=7, Resulting Numbers: [77, 7] Generated Node #0,0,0: 19:[77, 7] Operation: 23-16=7 Exploring Operation: 77-23=54, Resulting Numbers: [16, 54] Generated Node #0,0,1: 19:[16, 54] Operation: 77-23=54 Exploring Operation: 77-16=61, Resulting Numbers: [23, 61] Generated Node #0,0,2: 19:[23, 61] Operation: 77-16=61 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 19:[16, 54], Operations: ['96-73=23', '77-23=54'] Exploring Operation: 54-16=38, Resulting Numbers: [38] 38,19 unequal: No Solution Exploring Operation: 16+54=70, Resulting Numbers: [70] 70,19 unequal: No Solution Exploring Operation: 16*54=864, Resulting Numbers: [864] 864,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 19:[23, 61], Operations: ['96-73=23', '77-16=61'] Exploring Operation: 61-23=38, Resulting Numbers: [38] 38,19 unequal: No Solution Exploring Operation: 23+61=84, Resulting Numbers: [84] 84,19 unequal: No Solution Exploring Operation: 23*61=1403, Resulting Numbers: [1403] 1403,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 19:[77, 7], Operations: ['96-73=23', '23-16=7'] Exploring Operation: 77+7=84, Resulting Numbers: [84] 84,19 unequal: No Solution Exploring Operation: 77/7=11, Resulting Numbers: [11] 11,19 unequal: No Solution Exploring Operation: 77-7=70, Resulting Numbers: [70] 70,19 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: 19:[16, 96, 4], Operations: ['77-73=4'] Exploring Operation: 96/4=24, Resulting Numbers: [16, 24] Generated Node #0,1,0: 19:[16, 24] Operation: 96/4=24 Exploring Operation: 96-16=80, Resulting Numbers: [4, 80] Generated Node #0,1,1: 19:[4, 80] Operation: 96-16=80 Exploring Operation: 96/16=6, Resulting Numbers: [4, 6] Generated Node #0,1,2: 19:[4, 6] Operation: 96/16=6 Moving to Node #0,1,0 Current State: 19:[16, 24], Operations: ['77-73=4', '96/4=24'] Exploring Operation: 24-16=8, Resulting Numbers: [8] 8,19 unequal: No Solution Exploring Operation: 16+24=40, Resulting Numbers: [40] 40,19 unequal: No Solution Exploring Operation: 16*24=384, Resulting Numbers: [384] 384,19 unequal: No Solution Moving to Node #0,1,2 Current State: 19:[4, 6], Operations: ['77-73=4', '96/16=6'] Exploring Operation: 4+6=10, Resulting Numbers: [10] 10,19 unequal: No Solution Exploring Operation: 4*6=24, Resulting Numbers: [24] 24,19 unequal: No Solution Exploring Operation: 6-4=2, Resulting Numbers: [2] 2,19 unequal: No Solution Moving to Node #0,1,1 Current State: 19:[4, 80], Operations: ['77-73=4', '96-16=80'] Exploring Operation: 80/4=20, Resulting Numbers: [20] 20,19 unequal: No Solution Exploring Operation: 80-4=76, Resulting Numbers: [76] 76,19 unequal: No Solution Exploring Operation: 4+80=84, Resulting Numbers: [84] 84,19 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 6, 1, 50, 22 ]
88
[ "1+22=23", "6*23=138", "138-50=88" ]
Current State: 88:[6, 1, 50, 22], Operations: [] Exploring Operation: 1+22=23, Resulting Numbers: [6, 50, 23] Generated Node #2: [6, 50, 23] from Operation: 1+22=23 Current State: 88:[6, 50, 23], Operations: ['1+22=23'] Exploring Operation: 6*23=138, Resulting Numbers: [50, 138] Generated Node #3: [50, 138] from Operation: 6*23=138 Current State: 88:[50, 138], Operations: ['1+22=23', '6*23=138'] Exploring Operation: 138-50=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
4
Current State: 88:[6, 1, 50, 22], Operations: [] Exploring Operation: 50-6=44, Resulting Numbers: [1, 22, 44] Generated Node #0,0: 88:[1, 22, 44] Operation: 50-6=44 Exploring Operation: 6+1=7, Resulting Numbers: [50, 22, 7] Generated Node #0,1: 88:[50, 22, 7] Operation: 6+1=7 Start Sub Search at level 1: Moving to Node #0,0 Current State: 88:[1, 22, 44], Operations: ['50-6=44'] Exploring Operation: 1*22=22, Resulting Numbers: [44, 22] Generated Node #0,0,0: 88:[44, 22] Operation: 1*22=22 Exploring Operation: 22/1=22, Resulting Numbers: [44, 22] Generated Node #0,0,1: 88:[44, 22] Operation: 22/1=22 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 88:[44, 22], Operations: ['50-6=44', '1*22=22'] Exploring Operation: 44-22=22, Resulting Numbers: [22] 22,88 unequal: No Solution Exploring Operation: 44/22=2, Resulting Numbers: [2] 2,88 unequal: No Solution No 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: 88:[44, 22], Operations: ['50-6=44', '22/1=22'] Exploring Operation: 44-22=22, Resulting Numbers: [22] 22,88 unequal: No Solution Exploring Operation: 44/22=2, Resulting Numbers: [2] 2,88 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: 88:[50, 22, 7], Operations: ['6+1=7'] Exploring Operation: 50-7=43, Resulting Numbers: [22, 43] Generated Node #0,1,0: 88:[22, 43] Operation: 50-7=43 Exploring Operation: 50-22=28, Resulting Numbers: [7, 28] Generated Node #0,1,1: 88:[7, 28] Operation: 50-22=28 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 88:[22, 43], Operations: ['6+1=7', '50-7=43'] Exploring Operation: 22+43=65, Resulting Numbers: [65] 65,88 unequal: No Solution Exploring Operation: 43-22=21, Resulting Numbers: [21] 21,88 unequal: No Solution No 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: 88:[7, 28], Operations: ['6+1=7', '50-22=28'] Exploring Operation: 28/7=4, Resulting Numbers: [4] 4,88 unequal: No Solution Exploring Operation: 28-7=21, Resulting Numbers: [21] 21,88 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
[ 96, 19, 75, 90 ]
61
[ "96*75=7200", "7200/90=80", "80-19=61" ]
Current State: 61:[96, 19, 75, 90], Operations: [] Exploring Operation: 96*75=7200, Resulting Numbers: [19, 90, 7200] Generated Node #2: [19, 90, 7200] from Operation: 96*75=7200 Current State: 61:[19, 90, 7200], Operations: ['96*75=7200'] Exploring Operation: 7200/90=80, Resulting Numbers: [19, 80] Generated Node #3: [19, 80] from Operation: 7200/90=80 Current State: 61:[19, 80], Operations: ['96*75=7200', '7200/90=80'] Exploring Operation: 80-19=61, Resulting Numbers: [61] 61,61 equal: Goal Reached
4
Current State: 61:[96, 19, 75, 90], Operations: [] Exploring Operation: 96-19=77, Resulting Numbers: [75, 90, 77] Generated Node #0,0: 61:[75, 90, 77] Operation: 96-19=77 Exploring Operation: 96+19=115, Resulting Numbers: [75, 90, 115] Generated Node #0,1: 61:[75, 90, 115] Operation: 96+19=115 Exploring Operation: 90-19=71, Resulting Numbers: [96, 75, 71] Generated Node #0,2: 61:[96, 75, 71] Operation: 90-19=71 Exploring Operation: 75-19=56, Resulting Numbers: [96, 90, 56] Generated Node #0,3: 61:[96, 90, 56] Operation: 75-19=56 Moving to Node #0,0 Current State: 61:[75, 90, 77], Operations: ['96-19=77'] Exploring Operation: 90-77=13, Resulting Numbers: [75, 13] Generated Node #0,0,0: 61:[75, 13] Operation: 90-77=13 Exploring Operation: 75+90=165, Resulting Numbers: [77, 165] Generated Node #0,0,1: 61:[77, 165] Operation: 75+90=165 Exploring Operation: 90-75=15, Resulting Numbers: [77, 15] Generated Node #0,0,2: 61:[77, 15] Operation: 90-75=15 Exploring Operation: 77-75=2, Resulting Numbers: [90, 2] Generated Node #0,0,3: 61:[90, 2] Operation: 77-75=2 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 61:[75, 13], Operations: ['96-19=77', '90-77=13'] Exploring Operation: 75-13=62, Resulting Numbers: [62] 62,61 unequal: No Solution Exploring Operation: 75*13=975, Resulting Numbers: [975] 975,61 unequal: No Solution Exploring Operation: 75+13=88, Resulting Numbers: [88] 88,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 61:[77, 15], Operations: ['96-19=77', '90-75=15'] Exploring Operation: 77*15=1155, Resulting Numbers: [1155] 1155,61 unequal: No Solution Exploring Operation: 77-15=62, Resulting Numbers: [62] 62,61 unequal: No Solution Exploring Operation: 77+15=92, Resulting Numbers: [92] 92,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 61:[90, 2], Operations: ['96-19=77', '77-75=2'] Exploring Operation: 90-2=88, Resulting Numbers: [88] 88,61 unequal: No Solution Exploring Operation: 90*2=180, Resulting Numbers: [180] 180,61 unequal: No Solution Exploring Operation: 90+2=92, Resulting Numbers: [92] 92,61 unequal: No Solution Exploring Operation: 90/2=45, Resulting Numbers: [45] 45,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 61:[77, 165], Operations: ['96-19=77', '75+90=165'] Exploring Operation: 77+165=242, Resulting Numbers: [242] 242,61 unequal: No Solution Exploring Operation: 165-77=88, Resulting Numbers: [88] 88,61 unequal: No Solution Exploring Operation: 77*165=12705, Resulting Numbers: [12705] 12705,61 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: 61:[96, 75, 71], Operations: ['90-19=71'] Exploring Operation: 96+75=171, Resulting Numbers: [71, 171] Generated Node #0,2,0: 61:[71, 171] Operation: 96+75=171 Exploring Operation: 96-75=21, Resulting Numbers: [71, 21] Generated Node #0,2,1: 61:[71, 21] Operation: 96-75=21 Exploring Operation: 75-71=4, Resulting Numbers: [96, 4] Generated Node #0,2,2: 61:[96, 4] Operation: 75-71=4 Exploring Operation: 96-71=25, Resulting Numbers: [75, 25] Generated Node #0,2,3: 61:[75, 25] Operation: 96-71=25 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 61:[71, 21], Operations: ['90-19=71', '96-75=21'] Exploring Operation: 71+21=92, Resulting Numbers: [92] 92,61 unequal: No Solution Exploring Operation: 71*21=1491, Resulting Numbers: [1491] 1491,61 unequal: No Solution Exploring Operation: 71-21=50, Resulting Numbers: [50] 50,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 61:[75, 25], Operations: ['90-19=71', '96-71=25'] Exploring Operation: 75*25=1875, Resulting Numbers: [1875] 1875,61 unequal: No Solution Exploring Operation: 75+25=100, Resulting Numbers: [100] 100,61 unequal: No Solution Exploring Operation: 75-25=50, Resulting Numbers: [50] 50,61 unequal: No Solution Exploring Operation: 75/25=3, Resulting Numbers: [3] 3,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 61:[96, 4], Operations: ['90-19=71', '75-71=4'] Exploring Operation: 96/4=24, Resulting Numbers: [24] 24,61 unequal: No Solution Exploring Operation: 96*4=384, Resulting Numbers: [384] 384,61 unequal: No Solution Exploring Operation: 96+4=100, Resulting Numbers: [100] 100,61 unequal: No Solution Exploring Operation: 96-4=92, Resulting Numbers: [92] 92,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 61:[71, 171], Operations: ['90-19=71', '96+75=171'] Exploring Operation: 171-71=100, Resulting Numbers: [100] 100,61 unequal: No Solution Exploring Operation: 71*171=12141, Resulting Numbers: [12141] 12141,61 unequal: No Solution Exploring Operation: 71+171=242, Resulting Numbers: [242] 242,61 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: 61:[96, 90, 56], Operations: ['75-19=56'] Exploring Operation: 96-56=40, Resulting Numbers: [90, 40] Generated Node #0,3,0: 61:[90, 40] Operation: 96-56=40 Exploring Operation: 96+56=152, Resulting Numbers: [90, 152] Generated Node #0,3,1: 61:[90, 152] Operation: 96+56=152 Exploring Operation: 90-56=34, Resulting Numbers: [96, 34] Generated Node #0,3,2: 61:[96, 34] Operation: 90-56=34 Exploring Operation: 96-90=6, Resulting Numbers: [56, 6] Generated Node #0,3,3: 61:[56, 6] Operation: 96-90=6 Moving to Node #0,1 Current State: 61:[75, 90, 115], Operations: ['96+19=115'] Exploring Operation: 90-75=15, Resulting Numbers: [115, 15] Generated Node #0,1,0: 61:[115, 15] Operation: 90-75=15 Exploring Operation: 115-90=25, Resulting Numbers: [75, 25] Generated Node #0,1,1: 61:[75, 25] Operation: 115-90=25 Exploring Operation: 115-75=40, Resulting Numbers: [90, 40] Generated Node #0,1,2: 61:[90, 40] Operation: 115-75=40 Exploring Operation: 75+90=165, Resulting Numbers: [115, 165] Generated Node #0,1,3: 61:[115, 165] Operation: 75+90=165 Moving to Node #0,3,0 Current State: 61:[90, 40], Operations: ['75-19=56', '96-56=40'] Exploring Operation: 90*40=3600, Resulting Numbers: [3600] 3600,61 unequal: No Solution Exploring Operation: 90+40=130, Resulting Numbers: [130] 130,61 unequal: No Solution Exploring Operation: 90-40=50, Resulting Numbers: [50] 50,61 unequal: No Solution Moving to Node #0,1,2 Current State: 61:[90, 40], Operations: ['96+19=115', '115-75=40'] Exploring Operation: 90-40=50, Resulting Numbers: [50] 50,61 unequal: No Solution Exploring Operation: 90*40=3600, Resulting Numbers: [3600] 3600,61 unequal: No Solution Exploring Operation: 90+40=130, Resulting Numbers: [130] 130,61 unequal: No Solution Moving to Node #0,1,1 Current State: 61:[75, 25], Operations: ['96+19=115', '115-90=25'] Exploring Operation: 75*25=1875, Resulting Numbers: [1875] 1875,61 unequal: No Solution Exploring Operation: 75/25=3, Resulting Numbers: [3] 3,61 unequal: No Solution Exploring Operation: 75-25=50, Resulting Numbers: [50] 50,61 unequal: No Solution Exploring Operation: 75+25=100, Resulting Numbers: [100] 100,61 unequal: No Solution Moving to Node #0,3,3 Current State: 61:[56, 6], Operations: ['75-19=56', '96-90=6'] Exploring Operation: 56-6=50, Resulting Numbers: [50] 50,61 unequal: No Solution Exploring Operation: 56*6=336, Resulting Numbers: [336] 336,61 unequal: No Solution Exploring Operation: 56+6=62, Resulting Numbers: [62] 62,61 unequal: No Solution Moving to Node #0,3,2 Current State: 61:[96, 34], Operations: ['75-19=56', '90-56=34'] Exploring Operation: 96*34=3264, Resulting Numbers: [3264] 3264,61 unequal: No Solution Exploring Operation: 96-34=62, Resulting Numbers: [62] 62,61 unequal: No Solution Exploring Operation: 96+34=130, Resulting Numbers: [130] 130,61 unequal: No Solution Moving to Node #0,1,0 Current State: 61:[115, 15], Operations: ['96+19=115', '90-75=15'] Exploring Operation: 115*15=1725, Resulting Numbers: [1725] 1725,61 unequal: No Solution Exploring Operation: 115+15=130, Resulting Numbers: [130] 130,61 unequal: No Solution Exploring Operation: 115-15=100, Resulting Numbers: [100] 100,61 unequal: No Solution Moving to Node #0,3,1 Current State: 61:[90, 152], Operations: ['75-19=56', '96+56=152'] Exploring Operation: 90*152=13680, Resulting Numbers: [13680] 13680,61 unequal: No Solution Exploring Operation: 90+152=242, Resulting Numbers: [242] 242,61 unequal: No Solution Exploring Operation: 152-90=62, Resulting Numbers: [62] 62,61 unequal: No Solution Moving to Node #0,1,3 Current State: 61:[115, 165], Operations: ['96+19=115', '75+90=165'] Exploring Operation: 115+165=280, Resulting Numbers: [280] 280,61 unequal: No Solution Exploring Operation: 165-115=50, Resulting Numbers: [50] 50,61 unequal: No Solution Exploring Operation: 115*165=18975, Resulting Numbers: [18975] 18975,61 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 75, 7, 77, 2 ]
69
[ "75+77=152", "152/2=76", "76-7=69" ]
Current State: 69:[75, 7, 77, 2], Operations: [] Exploring Operation: 75+77=152, Resulting Numbers: [7, 2, 152] Generated Node #2: [7, 2, 152] from Operation: 75+77=152 Current State: 69:[7, 2, 152], Operations: ['75+77=152'] Exploring Operation: 152/2=76, Resulting Numbers: [7, 76] Generated Node #3: [7, 76] from Operation: 152/2=76 Current State: 69:[7, 76], Operations: ['75+77=152', '152/2=76'] Exploring Operation: 76-7=69, Resulting Numbers: [69] 69,69 equal: Goal Reached
4
Current State: 69:[75, 7, 77, 2], Operations: [] Exploring Operation: 77-75=2, Resulting Numbers: [7, 2, 2] Generated Node #0,0: 69:[7, 2, 2] Operation: 77-75=2 Exploring Operation: 77-7=70, Resulting Numbers: [75, 2, 70] Generated Node #0,1: 69:[75, 2, 70] Operation: 77-7=70 Exploring Operation: 77/7=11, Resulting Numbers: [75, 2, 11] Generated Node #0,2: 69:[75, 2, 11] Operation: 77/7=11 Exploring Operation: 75-7=68, Resulting Numbers: [77, 2, 68] Generated Node #0,3: 69:[77, 2, 68] Operation: 75-7=68 Start Sub Search at level 1: Moving to Node #0,0 Current State: 69:[7, 2, 2], Operations: ['77-75=2'] Exploring Operation: 7-2=5, Resulting Numbers: [2, 5] Generated Node #0,0,0: 69:[2, 5] Operation: 7-2=5 Exploring Operation: 7-2=5, Resulting Numbers: [2, 5] Generated Node #0,0,1: 69:[2, 5] Operation: 7-2=5 Exploring Operation: 2*2=4, Resulting Numbers: [7, 4] Generated Node #0,0,2: 69:[7, 4] Operation: 2*2=4 Exploring Operation: 2+2=4, Resulting Numbers: [7, 4] Generated Node #0,0,3: 69:[7, 4] Operation: 2+2=4 Moving to Node #0,0,0 Current State: 69:[2, 5], Operations: ['77-75=2', '7-2=5'] Exploring Operation: 2+5=7, Resulting Numbers: [7] 7,69 unequal: No Solution Exploring Operation: 2*5=10, Resulting Numbers: [10] 10,69 unequal: No Solution Exploring Operation: 5-2=3, Resulting Numbers: [3] 3,69 unequal: No Solution Moving to Node #0,0,1 Current State: 69:[2, 5], Operations: ['77-75=2', '7-2=5'] Exploring Operation: 2+5=7, Resulting Numbers: [7] 7,69 unequal: No Solution Exploring Operation: 5-2=3, Resulting Numbers: [3] 3,69 unequal: No Solution Exploring Operation: 2*5=10, Resulting Numbers: [10] 10,69 unequal: No Solution Moving to Node #0,0,3 Current State: 69:[7, 4], Operations: ['77-75=2', '2+2=4'] Exploring Operation: 7*4=28, Resulting Numbers: [28] 28,69 unequal: No Solution Exploring Operation: 7-4=3, Resulting Numbers: [3] 3,69 unequal: No Solution Exploring Operation: 7+4=11, Resulting Numbers: [11] 11,69 unequal: No Solution Moving to Node #0,0,2 Current State: 69:[7, 4], Operations: ['77-75=2', '2*2=4'] Exploring Operation: 7-4=3, Resulting Numbers: [3] 3,69 unequal: No Solution Exploring Operation: 7+4=11, Resulting Numbers: [11] 11,69 unequal: No Solution Exploring Operation: 7*4=28, Resulting Numbers: [28] 28,69 unequal: No Solution No 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: 69:[75, 2, 70], Operations: ['77-7=70'] Exploring Operation: 70-2=68, Resulting Numbers: [75, 68] Generated Node #0,1,0: 69:[75, 68] Operation: 70-2=68 Exploring Operation: 75-2=73, Resulting Numbers: [70, 73] Generated Node #0,1,1: 69:[70, 73] Operation: 75-2=73 Exploring Operation: 75-70=5, Resulting Numbers: [2, 5] Generated Node #0,1,2: 69:[2, 5] Operation: 75-70=5 Exploring Operation: 75+2=77, Resulting Numbers: [70, 77] Generated Node #0,1,3: 69:[70, 77] Operation: 75+2=77 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 69:[2, 5], Operations: ['77-7=70', '75-70=5'] Exploring Operation: 2+5=7, Resulting Numbers: [7] 7,69 unequal: No Solution Exploring Operation: 5-2=3, Resulting Numbers: [3] 3,69 unequal: No Solution Exploring Operation: 2*5=10, Resulting Numbers: [10] 10,69 unequal: No Solution No 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: 69:[70, 73], Operations: ['77-7=70', '75-2=73'] Exploring Operation: 70+73=143, Resulting Numbers: [143] 143,69 unequal: No Solution Exploring Operation: 73-70=3, Resulting Numbers: [3] 3,69 unequal: No Solution Exploring Operation: 70*73=5110, Resulting Numbers: [5110] 5110,69 unequal: No Solution No 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: 69:[75, 68], Operations: ['77-7=70', '70-2=68'] Exploring Operation: 75-68=7, Resulting Numbers: [7] 7,69 unequal: No Solution Exploring Operation: 75*68=5100, Resulting Numbers: [5100] 5100,69 unequal: No Solution Exploring Operation: 75+68=143, Resulting Numbers: [143] 143,69 unequal: No Solution No 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: 69:[70, 77], Operations: ['77-7=70', '75+2=77'] Exploring Operation: 70+77=147, Resulting Numbers: [147] 147,69 unequal: No Solution Exploring Operation: 70*77=5390, Resulting Numbers: [5390] 5390,69 unequal: No Solution Exploring Operation: 77-70=7, Resulting Numbers: [7] 7,69 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: 69:[77, 2, 68], Operations: ['75-7=68'] Exploring Operation: 77-68=9, Resulting Numbers: [2, 9] Generated Node #0,3,0: 69:[2, 9] Operation: 77-68=9 Exploring Operation: 77+2=79, Resulting Numbers: [68, 79] Generated Node #0,3,1: 69:[68, 79] Operation: 77+2=79 Exploring Operation: 2+68=70, Resulting Numbers: [77, 70] Generated Node #0,3,2: 69:[77, 70] Operation: 2+68=70 Exploring Operation: 77-2=75, Resulting Numbers: [68, 75] Generated Node #0,3,3: 69:[68, 75] Operation: 77-2=75 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 69:[2, 9], Operations: ['75-7=68', '77-68=9'] Exploring Operation: 2+9=11, Resulting Numbers: [11] 11,69 unequal: No Solution Exploring Operation: 2*9=18, Resulting Numbers: [18] 18,69 unequal: No Solution Exploring Operation: 9-2=7, Resulting Numbers: [7] 7,69 unequal: No Solution No 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: 69:[68, 75], Operations: ['75-7=68', '77-2=75'] Exploring Operation: 68+75=143, Resulting Numbers: [143] 143,69 unequal: No Solution Exploring Operation: 68*75=5100, Resulting Numbers: [5100] 5100,69 unequal: No Solution Exploring Operation: 75-68=7, Resulting Numbers: [7] 7,69 unequal: No Solution No 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: 69:[77, 70], Operations: ['75-7=68', '2+68=70'] Exploring Operation: 77+70=147, Resulting Numbers: [147] 147,69 unequal: No Solution Exploring Operation: 77*70=5390, Resulting Numbers: [5390] 5390,69 unequal: No Solution Exploring Operation: 77-70=7, Resulting Numbers: [7] 7,69 unequal: No Solution No 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: 69:[68, 79], Operations: ['75-7=68', '77+2=79'] Exploring Operation: 68+79=147, Resulting Numbers: [147] 147,69 unequal: No Solution Exploring Operation: 68*79=5372, Resulting Numbers: [5372] 5372,69 unequal: No Solution Exploring Operation: 79-68=11, Resulting Numbers: [11] 11,69 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: 69:[75, 2, 11], Operations: ['77/7=11'] Exploring Operation: 2*11=22, Resulting Numbers: [75, 22] Generated Node #0,2,0: 69:[75, 22] Operation: 2*11=22 Exploring Operation: 75-2=73, Resulting Numbers: [11, 73] Generated Node #0,2,1: 69:[11, 73] Operation: 75-2=73 Exploring Operation: 11-2=9, Resulting Numbers: [75, 9] Generated Node #0,2,2: 69:[75, 9] Operation: 11-2=9 Exploring Operation: 75-11=64, Resulting Numbers: [2, 64] Generated Node #0,2,3: 69:[2, 64] Operation: 75-11=64 Moving to Node #0,2,3 Current State: 69:[2, 64], Operations: ['77/7=11', '75-11=64'] Exploring Operation: 64/2=32, Resulting Numbers: [32] 32,69 unequal: No Solution Exploring Operation: 64-2=62, Resulting Numbers: [62] 62,69 unequal: No Solution Exploring Operation: 2*64=128, Resulting Numbers: [128] 128,69 unequal: No Solution Exploring Operation: 2+64=66, Resulting Numbers: [66] 66,69 unequal: No Solution Moving to Node #0,2,0 Current State: 69:[75, 22], Operations: ['77/7=11', '2*11=22'] Exploring Operation: 75*22=1650, Resulting Numbers: [1650] 1650,69 unequal: No Solution Exploring Operation: 75-22=53, Resulting Numbers: [53] 53,69 unequal: No Solution Exploring Operation: 75+22=97, Resulting Numbers: [97] 97,69 unequal: No Solution Moving to Node #0,2,2 Current State: 69:[75, 9], Operations: ['77/7=11', '11-2=9'] Exploring Operation: 75+9=84, Resulting Numbers: [84] 84,69 unequal: No Solution Exploring Operation: 75*9=675, Resulting Numbers: [675] 675,69 unequal: No Solution Exploring Operation: 75-9=66, Resulting Numbers: [66] 66,69 unequal: No Solution Moving to Node #0,2,1 Current State: 69:[11, 73], Operations: ['77/7=11', '75-2=73'] Exploring Operation: 11*73=803, Resulting Numbers: [803] 803,69 unequal: No Solution Exploring Operation: 11+73=84, Resulting Numbers: [84] 84,69 unequal: No Solution Exploring Operation: 73-11=62, Resulting Numbers: [62] 62,69 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
[ 9, 18, 94, 50 ]
53
[ "18-9=9", "94-50=44", "9+44=53" ]
Current State: 53:[9, 18, 94, 50], Operations: [] Exploring Operation: 18-9=9, Resulting Numbers: [94, 50, 9] Generated Node #2: [94, 50, 9] from Operation: 18-9=9 Current State: 53:[94, 50, 9], Operations: ['18-9=9'] Exploring Operation: 94-50=44, Resulting Numbers: [9, 44] Generated Node #3: [9, 44] from Operation: 94-50=44 Current State: 53:[9, 44], Operations: ['18-9=9', '94-50=44'] Exploring Operation: 9+44=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[9, 18, 94, 50], Operations: [] Exploring Operation: 94-9=85, Resulting Numbers: [18, 50, 85] Generated Node #0,0: 53:[18, 50, 85] Operation: 94-9=85 Exploring Operation: 94-18=76, Resulting Numbers: [9, 50, 76] Generated Node #0,1: 53:[9, 50, 76] Operation: 94-18=76 Exploring Operation: 9+18=27, Resulting Numbers: [94, 50, 27] Generated Node #0,2: 53:[94, 50, 27] Operation: 9+18=27 Moving to Node #0,0 Current State: 53:[18, 50, 85], Operations: ['94-9=85'] Exploring Operation: 85-18=67, Resulting Numbers: [50, 67] Generated Node #0,0,0: 53:[50, 67] Operation: 85-18=67 Exploring Operation: 50-18=32, Resulting Numbers: [85, 32] Generated Node #0,0,1: 53:[85, 32] Operation: 50-18=32 Exploring Operation: 18+50=68, Resulting Numbers: [85, 68] Generated Node #0,0,2: 53:[85, 68] Operation: 18+50=68 Moving to Node #0,1 Current State: 53:[9, 50, 76], Operations: ['94-18=76'] Exploring Operation: 9+50=59, Resulting Numbers: [76, 59] Generated Node #0,1,0: 53:[76, 59] Operation: 9+50=59 Exploring Operation: 50-9=41, Resulting Numbers: [76, 41] Generated Node #0,1,1: 53:[76, 41] Operation: 50-9=41 Exploring Operation: 76-9=67, Resulting Numbers: [50, 67] Generated Node #0,1,2: 53:[50, 67] Operation: 76-9=67 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 53:[50, 67], Operations: ['94-18=76', '76-9=67'] Exploring Operation: 67-50=17, Resulting Numbers: [17] 17,53 unequal: No Solution Exploring Operation: 50*67=3350, Resulting Numbers: [3350] 3350,53 unequal: No Solution Exploring Operation: 50+67=117, Resulting Numbers: [117] 117,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 53:[76, 59], Operations: ['94-18=76', '9+50=59'] Exploring Operation: 76-59=17, Resulting Numbers: [17] 17,53 unequal: No Solution Exploring Operation: 76+59=135, Resulting Numbers: [135] 135,53 unequal: No Solution Exploring Operation: 76*59=4484, Resulting Numbers: [4484] 4484,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 53:[76, 41], Operations: ['94-18=76', '50-9=41'] Exploring Operation: 76+41=117, Resulting Numbers: [117] 117,53 unequal: No Solution Exploring Operation: 76-41=35, Resulting Numbers: [35] 35,53 unequal: No Solution Exploring Operation: 76*41=3116, Resulting Numbers: [3116] 3116,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 53:[94, 50, 27], Operations: ['9+18=27'] Exploring Operation: 94-50=44, Resulting Numbers: [27, 44] Generated Node #0,2,0: 53:[27, 44] Operation: 94-50=44 Exploring Operation: 50+27=77, Resulting Numbers: [94, 77] Generated Node #0,2,1: 53:[94, 77] Operation: 50+27=77 Exploring Operation: 94-27=67, Resulting Numbers: [50, 67] Generated Node #0,2,2: 53:[50, 67] Operation: 94-27=67 Moving to Node #0,0,0 Current State: 53:[50, 67], Operations: ['94-9=85', '85-18=67'] Exploring Operation: 50*67=3350, Resulting Numbers: [3350] 3350,53 unequal: No Solution Exploring Operation: 67-50=17, Resulting Numbers: [17] 17,53 unequal: No Solution Exploring Operation: 50+67=117, Resulting Numbers: [117] 117,53 unequal: No Solution Moving to Node #0,2,2 Current State: 53:[50, 67], Operations: ['9+18=27', '94-27=67'] Exploring Operation: 67-50=17, Resulting Numbers: [17] 17,53 unequal: No Solution Exploring Operation: 50+67=117, Resulting Numbers: [117] 117,53 unequal: No Solution Exploring Operation: 50*67=3350, Resulting Numbers: [3350] 3350,53 unequal: No Solution Moving to Node #0,2,0 Current State: 53:[27, 44], Operations: ['9+18=27', '94-50=44'] Exploring Operation: 27*44=1188, Resulting Numbers: [1188] 1188,53 unequal: No Solution Exploring Operation: 44-27=17, Resulting Numbers: [17] 17,53 unequal: No Solution Exploring Operation: 27+44=71, Resulting Numbers: [71] 71,53 unequal: No Solution Moving to Node #0,0,2 Current State: 53:[85, 68], Operations: ['94-9=85', '18+50=68'] Exploring Operation: 85*68=5780, Resulting Numbers: [5780] 5780,53 unequal: No Solution Exploring Operation: 85-68=17, Resulting Numbers: [17] 17,53 unequal: No Solution Exploring Operation: 85+68=153, Resulting Numbers: [153] 153,53 unequal: No Solution Moving to Node #0,0,1 Current State: 53:[85, 32], Operations: ['94-9=85', '50-18=32'] Exploring Operation: 85+32=117, Resulting Numbers: [117] 117,53 unequal: No Solution Exploring Operation: 85-32=53, Resulting Numbers: [53] 53,53 equal: Goal Reached Moving to Node #0 Current State: 53:[9, 18, 94, 50], Operations: [] Exploring Operation: 94-9=85, Resulting Numbers: [18, 50, 85] Generated Node #0,0: 53:[18, 50, 85] Operation: 94-9=85 Moving to Node #0,0 Current State: 53:[18, 50, 85], Operations: ['94-9=85'] Exploring Operation: 50-18=32, Resulting Numbers: [85, 32] Generated Node #0,0,1: 53:[85, 32] Operation: 50-18=32 Moving to Node #0,0,1 Current State: 53:[85, 32], Operations: ['94-9=85', '50-18=32'] Exploring Operation: 85-32=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
0.966146
hs_3
mult_heuristic
[ 81, 48, 71, 68 ]
99
[ "81-48=33", "71-68=3", "33*3=99" ]
Current State: 99:[81, 48, 71, 68], Operations: [] Exploring Operation: 81-48=33, Resulting Numbers: [71, 68, 33] Generated Node #2: [71, 68, 33] from Operation: 81-48=33 Current State: 99:[71, 68, 33], Operations: ['81-48=33'] Exploring Operation: 71-68=3, Resulting Numbers: [33, 3] Generated Node #3: [33, 3] from Operation: 71-68=3 Current State: 99:[33, 3], Operations: ['81-48=33', '71-68=3'] Exploring Operation: 33*3=99, Resulting Numbers: [99] 99,99 equal: Goal Reached
4
Current State: 99:[81, 48, 71, 68], Operations: [] Exploring Operation: 71-68=3, Resulting Numbers: [81, 48, 3] Generated Node #0,0: 99:[81, 48, 3] Operation: 71-68=3 Exploring Operation: 81-68=13, Resulting Numbers: [48, 71, 13] Generated Node #0,1: 99:[48, 71, 13] Operation: 81-68=13 Start Sub Search at level 1: Moving to Node #0,0 Current State: 99:[81, 48, 3], Operations: ['71-68=3'] Exploring Operation: 81/3=27, Resulting Numbers: [48, 27] Generated Node #0,0,0: 99:[48, 27] Operation: 81/3=27 Exploring Operation: 81-48=33, Resulting Numbers: [3, 33] Generated Node #0,0,1: 99:[3, 33] Operation: 81-48=33 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 99:[3, 33], Operations: ['71-68=3', '81-48=33'] Exploring Operation: 33/3=11, Resulting Numbers: [11] 11,99 unequal: No Solution Exploring Operation: 3*33=99, Resulting Numbers: [99] 99,99 equal: Goal Reached Moving to Node #0 Current State: 99:[81, 48, 71, 68], Operations: [] Exploring Operation: 71-68=3, Resulting Numbers: [81, 48, 3] Generated Node #0,0: 99:[81, 48, 3] Operation: 71-68=3 Moving to Node #0,0 Current State: 99:[81, 48, 3], Operations: ['71-68=3'] Exploring Operation: 81-48=33, Resulting Numbers: [3, 33] Generated Node #0,0,1: 99:[3, 33] Operation: 81-48=33 Moving to Node #0,0,1 Current State: 99:[3, 33], Operations: ['71-68=3', '81-48=33'] Exploring Operation: 3*33=99, Resulting Numbers: [99] 99,99 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.991319
hs_2
sum_heuristic
[ 99, 93, 6, 39 ]
38
[ "99-93=6", "6/6=1", "39-1=38" ]
Current State: 38:[99, 93, 6, 39], Operations: [] Exploring Operation: 99-93=6, Resulting Numbers: [6, 39, 6] Generated Node #2: [6, 39, 6] from Operation: 99-93=6 Current State: 38:[6, 39, 6], Operations: ['99-93=6'] Exploring Operation: 6/6=1, Resulting Numbers: [39, 1] Generated Node #3: [39, 1] from Operation: 6/6=1 Current State: 38:[39, 1], Operations: ['99-93=6', '6/6=1'] Exploring Operation: 39-1=38, Resulting Numbers: [38] 38,38 equal: Goal Reached
4
Current State: 38:[99, 93, 6, 39], Operations: [] Exploring Operation: 99-93=6, Resulting Numbers: [6, 39, 6] Generated Node #0,0: 38:[6, 39, 6] Operation: 99-93=6 Exploring Operation: 93-39=54, Resulting Numbers: [99, 6, 54] Generated Node #0,1: 38:[99, 6, 54] Operation: 93-39=54 Exploring Operation: 99-39=60, Resulting Numbers: [93, 6, 60] Generated Node #0,2: 38:[93, 6, 60] Operation: 99-39=60 Start Sub Search at level 1: Moving to Node #0,0 Current State: 38:[6, 39, 6], Operations: ['99-93=6'] Exploring Operation: 6/6=1, Resulting Numbers: [39, 1] Generated Node #0,0,0: 38:[39, 1] Operation: 6/6=1 Exploring Operation: 6*6=36, Resulting Numbers: [39, 36] Generated Node #0,0,1: 38:[39, 36] Operation: 6*6=36 Exploring Operation: 6-6=0, Resulting Numbers: [39, 0] Generated Node #0,0,2: 38:[39, 0] Operation: 6-6=0 Moving to Node #0,0,0 Current State: 38:[39, 1], Operations: ['99-93=6', '6/6=1'] Exploring Operation: 39-1=38, Resulting Numbers: [38] 38,38 equal: Goal Reached Moving to Node #0 Current State: 38:[99, 93, 6, 39], Operations: [] Exploring Operation: 99-93=6, Resulting Numbers: [6, 39, 6] Generated Node #0,0: 38:[6, 39, 6] Operation: 99-93=6 Moving to Node #0,0 Current State: 38:[6, 39, 6], Operations: ['99-93=6'] Exploring Operation: 6/6=1, Resulting Numbers: [39, 1] Generated Node #0,0,0: 38:[39, 1] Operation: 6/6=1 Moving to Node #0,0,0 Current State: 38:[39, 1], Operations: ['99-93=6', '6/6=1'] Exploring Operation: 39-1=38, Resulting Numbers: [38] 38,38 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_3
sum_heuristic
[ 50, 43, 98, 3 ]
42
[ "50-43=7", "98*3=294", "294/7=42" ]
Current State: 42:[50, 43, 98, 3], Operations: [] Exploring Operation: 50-43=7, Resulting Numbers: [98, 3, 7] Generated Node #2: [98, 3, 7] from Operation: 50-43=7 Current State: 42:[98, 3, 7], Operations: ['50-43=7'] Exploring Operation: 98*3=294, Resulting Numbers: [7, 294] Generated Node #3: [7, 294] from Operation: 98*3=294 Current State: 42:[7, 294], Operations: ['50-43=7', '98*3=294'] Exploring Operation: 294/7=42, Resulting Numbers: [42] 42,42 equal: Goal Reached
4
Current State: 42:[50, 43, 98, 3], Operations: [] Exploring Operation: 98-43=55, Resulting Numbers: [50, 3, 55] Generated Node #0,0: 42:[50, 3, 55] Operation: 98-43=55 Exploring Operation: 98-50=48, Resulting Numbers: [43, 3, 48] Generated Node #0,1: 42:[43, 3, 48] Operation: 98-50=48 Start Sub Search at level 1: Moving to Node #0,1 Current State: 42:[43, 3, 48], Operations: ['98-50=48'] Exploring Operation: 48-43=5, Resulting Numbers: [3, 5] Generated Node #0,1,0: 42:[3, 5] Operation: 48-43=5 Exploring Operation: 48/3=16, Resulting Numbers: [43, 16] Generated Node #0,1,1: 42:[43, 16] Operation: 48/3=16 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 42:[3, 5], Operations: ['98-50=48', '48-43=5'] Exploring Operation: 5-3=2, Resulting Numbers: [2] 2,42 unequal: No Solution Exploring Operation: 3+5=8, Resulting Numbers: [8] 8,42 unequal: No Solution No 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: 42:[43, 16], Operations: ['98-50=48', '48/3=16'] Exploring Operation: 43-16=27, Resulting Numbers: [27] 27,42 unequal: No Solution Exploring Operation: 43+16=59, Resulting Numbers: [59] 59,42 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: 42:[50, 3, 55], Operations: ['98-43=55'] Exploring Operation: 50-3=47, Resulting Numbers: [55, 47] Generated Node #0,0,0: 42:[55, 47] Operation: 50-3=47 Exploring Operation: 55-50=5, Resulting Numbers: [3, 5] Generated Node #0,0,1: 42:[3, 5] Operation: 55-50=5 Moving to Node #0,0,1 Current State: 42:[3, 5], Operations: ['98-43=55', '55-50=5'] Exploring Operation: 5-3=2, Resulting Numbers: [2] 2,42 unequal: No Solution Exploring Operation: 3+5=8, Resulting Numbers: [8] 8,42 unequal: No Solution Moving to Node #0,0,0 Current State: 42:[55, 47], Operations: ['98-43=55', '50-3=47'] Exploring Operation: 55+47=102, Resulting Numbers: [102] 102,42 unequal: No Solution Exploring Operation: 55-47=8, Resulting Numbers: [8] 8,42 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
[ 4, 5, 26, 34 ]
49
[ "5*34=170", "26+170=196", "196/4=49" ]
Current State: 49:[4, 5, 26, 34], Operations: [] Exploring Operation: 5*34=170, Resulting Numbers: [4, 26, 170] Generated Node #2: [4, 26, 170] from Operation: 5*34=170 Current State: 49:[4, 26, 170], Operations: ['5*34=170'] Exploring Operation: 26+170=196, Resulting Numbers: [4, 196] Generated Node #3: [4, 196] from Operation: 26+170=196 Current State: 49:[4, 196], Operations: ['5*34=170', '26+170=196'] Exploring Operation: 196/4=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
4
Current State: 49:[4, 5, 26, 34], Operations: [] Exploring Operation: 34-26=8, Resulting Numbers: [4, 5, 8] Generated Node #0,0: 49:[4, 5, 8] Operation: 34-26=8 Exploring Operation: 26+34=60, Resulting Numbers: [4, 5, 60] Generated Node #0,1: 49:[4, 5, 60] Operation: 26+34=60 Moving to Node #0,0 Current State: 49:[4, 5, 8], Operations: ['34-26=8'] Exploring Operation: 4+5=9, Resulting Numbers: [8, 9] Generated Node #0,0,0: 49:[8, 9] Operation: 4+5=9 Exploring Operation: 8-4=4, Resulting Numbers: [5, 4] Generated Node #0,0,1: 49:[5, 4] Operation: 8-4=4 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 49:[8, 9], Operations: ['34-26=8', '4+5=9'] Exploring Operation: 9-8=1, Resulting Numbers: [1] 1,49 unequal: No Solution Exploring Operation: 8+9=17, Resulting Numbers: [17] 17,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 49:[5, 4], Operations: ['34-26=8', '8-4=4'] Exploring Operation: 5-4=1, Resulting Numbers: [1] 1,49 unequal: No Solution Exploring Operation: 5+4=9, Resulting Numbers: [9] 9,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 49:[4, 5, 60], Operations: ['26+34=60'] Exploring Operation: 60-4=56, Resulting Numbers: [5, 56] Generated Node #0,1,0: 49:[5, 56] Operation: 60-4=56 Exploring Operation: 60/5=12, Resulting Numbers: [4, 12] Generated Node #0,1,1: 49:[4, 12] Operation: 60/5=12 Moving to Node #0,1,1 Current State: 49:[4, 12], Operations: ['26+34=60', '60/5=12'] Exploring Operation: 12-4=8, Resulting Numbers: [8] 8,49 unequal: No Solution Exploring Operation: 4*12=48, Resulting Numbers: [48] 48,49 unequal: No Solution Moving to Node #0,1,0 Current State: 49:[5, 56], Operations: ['26+34=60', '60-4=56'] Exploring Operation: 5+56=61, Resulting Numbers: [61] 61,49 unequal: No Solution Exploring Operation: 56-5=51, Resulting Numbers: [51] 51,49 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 76, 72, 40, 75 ]
59
[ "72*75=5400", "5400/40=135", "135-76=59" ]
Current State: 59:[76, 72, 40, 75], Operations: [] Exploring Operation: 72*75=5400, Resulting Numbers: [76, 40, 5400] Generated Node #2: [76, 40, 5400] from Operation: 72*75=5400 Current State: 59:[76, 40, 5400], Operations: ['72*75=5400'] Exploring Operation: 5400/40=135, Resulting Numbers: [76, 135] Generated Node #3: [76, 135] from Operation: 5400/40=135 Current State: 59:[76, 135], Operations: ['72*75=5400', '5400/40=135'] Exploring Operation: 135-76=59, Resulting Numbers: [59] 59,59 equal: Goal Reached
4
Current State: 59:[76, 72, 40, 75], Operations: [] Exploring Operation: 76-40=36, Resulting Numbers: [72, 75, 36] Generated Node #0,0: 59:[72, 75, 36] Operation: 76-40=36 Exploring Operation: 75-40=35, Resulting Numbers: [76, 72, 35] Generated Node #0,1: 59:[76, 72, 35] Operation: 75-40=35 Exploring Operation: 72-40=32, Resulting Numbers: [76, 75, 32] Generated Node #0,2: 59:[76, 75, 32] Operation: 72-40=32 Start Sub Search at level 1: Moving to Node #0,0 Current State: 59:[72, 75, 36], Operations: ['76-40=36'] Exploring Operation: 75-36=39, Resulting Numbers: [72, 39] Generated Node #0,0,0: 59:[72, 39] Operation: 75-36=39 Exploring Operation: 72-36=36, Resulting Numbers: [75, 36] Generated Node #0,0,1: 59:[75, 36] Operation: 72-36=36 Exploring Operation: 72+36=108, Resulting Numbers: [75, 108] Generated Node #0,0,2: 59:[75, 108] Operation: 72+36=108 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 59:[72, 39], Operations: ['76-40=36', '75-36=39'] Exploring Operation: 72*39=2808, Resulting Numbers: [2808] 2808,59 unequal: No Solution Exploring Operation: 72+39=111, Resulting Numbers: [111] 111,59 unequal: No Solution Exploring Operation: 72-39=33, Resulting Numbers: [33] 33,59 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:[75, 36], Operations: ['76-40=36', '72-36=36'] Exploring Operation: 75+36=111, Resulting Numbers: [111] 111,59 unequal: No Solution Exploring Operation: 75-36=39, Resulting Numbers: [39] 39,59 unequal: No Solution Exploring Operation: 75*36=2700, Resulting Numbers: [2700] 2700,59 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 #0,0,2 Current State: 59:[75, 108], Operations: ['76-40=36', '72+36=108'] Exploring Operation: 75+108=183, Resulting Numbers: [183] 183,59 unequal: No Solution Exploring Operation: 75*108=8100, Resulting Numbers: [8100] 8100,59 unequal: No Solution Exploring Operation: 108-75=33, Resulting Numbers: [33] 33,59 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:[76, 72, 35], Operations: ['75-40=35'] Exploring Operation: 72-35=37, Resulting Numbers: [76, 37] Generated Node #0,1,0: 59:[76, 37] Operation: 72-35=37 Exploring Operation: 76+35=111, Resulting Numbers: [72, 111] Generated Node #0,1,1: 59:[72, 111] Operation: 76+35=111 Exploring Operation: 76-35=41, Resulting Numbers: [72, 41] Generated Node #0,1,2: 59:[72, 41] Operation: 76-35=41 Moving to Node #0,1,2 Current State: 59:[72, 41], Operations: ['75-40=35', '76-35=41'] Exploring Operation: 72-41=31, Resulting Numbers: [31] 31,59 unequal: No Solution Exploring Operation: 72+41=113, Resulting Numbers: [113] 113,59 unequal: No Solution Exploring Operation: 72*41=2952, Resulting Numbers: [2952] 2952,59 unequal: No Solution Moving to Node #0,1,0 Current State: 59:[76, 37], Operations: ['75-40=35', '72-35=37'] Exploring Operation: 76+37=113, Resulting Numbers: [113] 113,59 unequal: No Solution Exploring Operation: 76*37=2812, Resulting Numbers: [2812] 2812,59 unequal: No Solution Exploring Operation: 76-37=39, Resulting Numbers: [39] 39,59 unequal: No Solution Moving to Node #0,1,1 Current State: 59:[72, 111], Operations: ['75-40=35', '76+35=111'] Exploring Operation: 111-72=39, Resulting Numbers: [39] 39,59 unequal: No Solution Exploring Operation: 72*111=7992, Resulting Numbers: [7992] 7992,59 unequal: No Solution Exploring Operation: 72+111=183, Resulting Numbers: [183] 183,59 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 59:[76, 75, 32], Operations: ['72-40=32'] Exploring Operation: 76+32=108, Resulting Numbers: [75, 108] Generated Node #0,2,0: 59:[75, 108] Operation: 76+32=108 Exploring Operation: 75-32=43, Resulting Numbers: [76, 43] Generated Node #0,2,1: 59:[76, 43] Operation: 75-32=43 Exploring Operation: 76-32=44, Resulting Numbers: [75, 44] Generated Node #0,2,2: 59:[75, 44] Operation: 76-32=44 Moving to Node #0,2,2 Current State: 59:[75, 44], Operations: ['72-40=32', '76-32=44'] Exploring Operation: 75-44=31, Resulting Numbers: [31] 31,59 unequal: No Solution Exploring Operation: 75+44=119, Resulting Numbers: [119] 119,59 unequal: No Solution Exploring Operation: 75*44=3300, Resulting Numbers: [3300] 3300,59 unequal: No Solution Moving to Node #0,2,1 Current State: 59:[76, 43], Operations: ['72-40=32', '75-32=43'] Exploring Operation: 76-43=33, Resulting Numbers: [33] 33,59 unequal: No Solution Exploring Operation: 76+43=119, Resulting Numbers: [119] 119,59 unequal: No Solution Exploring Operation: 76*43=3268, Resulting Numbers: [3268] 3268,59 unequal: No Solution Moving to Node #0,2,0 Current State: 59:[75, 108], Operations: ['72-40=32', '76+32=108'] Exploring Operation: 108-75=33, Resulting Numbers: [33] 33,59 unequal: No Solution Exploring Operation: 75+108=183, Resulting Numbers: [183] 183,59 unequal: No Solution Exploring Operation: 75*108=8100, Resulting Numbers: [8100] 8100,59 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
mult_heuristic
[ 7, 24, 43, 82 ]
51
[ "43-24=19", "7*19=133", "133-82=51" ]
Current State: 51:[7, 24, 43, 82], Operations: [] Exploring Operation: 43-24=19, Resulting Numbers: [7, 82, 19] Generated Node #2: [7, 82, 19] from Operation: 43-24=19 Current State: 51:[7, 82, 19], Operations: ['43-24=19'] Exploring Operation: 7*19=133, Resulting Numbers: [82, 133] Generated Node #3: [82, 133] from Operation: 7*19=133 Current State: 51:[82, 133], Operations: ['43-24=19', '7*19=133'] Exploring Operation: 133-82=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[7, 24, 43, 82], Operations: [] Exploring Operation: 82-24=58, Resulting Numbers: [7, 43, 58] Generated Node #0,0: 51:[7, 43, 58] Operation: 82-24=58 Start Sub Search at level 1: Moving to Node #0,0 Current State: 51:[7, 43, 58], Operations: ['82-24=58'] Exploring Operation: 58-43=15, Resulting Numbers: [7, 15] Generated Node #0,0,0: 51:[7, 15] Operation: 58-43=15 Moving to Node #0,0,0 Current State: 51:[7, 15], Operations: ['82-24=58', '58-43=15'] Exploring Operation: 7+15=22, Resulting Numbers: [22] 22,51 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
[ 68, 49, 30, 56 ]
67
[ "68-49=19", "30+56=86", "86-19=67" ]
Current State: 67:[68, 49, 30, 56], Operations: [] Exploring Operation: 68-49=19, Resulting Numbers: [30, 56, 19] Generated Node #2: [30, 56, 19] from Operation: 68-49=19 Current State: 67:[30, 56, 19], Operations: ['68-49=19'] Exploring Operation: 30+56=86, Resulting Numbers: [19, 86] Generated Node #3: [19, 86] from Operation: 30+56=86 Current State: 67:[19, 86], Operations: ['68-49=19', '30+56=86'] Exploring Operation: 86-19=67, Resulting Numbers: [67] 67,67 equal: Goal Reached
4
Current State: 67:[68, 49, 30, 56], Operations: [] Exploring Operation: 68-30=38, Resulting Numbers: [49, 56, 38] Generated Node #0,0: 67:[49, 56, 38] Operation: 68-30=38 Exploring Operation: 30+56=86, Resulting Numbers: [68, 49, 86] Generated Node #0,1: 67:[68, 49, 86] Operation: 30+56=86 Exploring Operation: 49+30=79, Resulting Numbers: [68, 56, 79] Generated Node #0,2: 67:[68, 56, 79] Operation: 49+30=79 Start Sub Search at level 1: Moving to Node #0,2 Current State: 67:[68, 56, 79], Operations: ['49+30=79'] Exploring Operation: 68-56=12, Resulting Numbers: [79, 12] Generated Node #0,2,0: 67:[79, 12] Operation: 68-56=12 Exploring Operation: 79-68=11, Resulting Numbers: [56, 11] Generated Node #0,2,1: 67:[56, 11] Operation: 79-68=11 Exploring Operation: 79-56=23, Resulting Numbers: [68, 23] Generated Node #0,2,2: 67:[68, 23] Operation: 79-56=23 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 67:[68, 23], Operations: ['49+30=79', '79-56=23'] Exploring Operation: 68*23=1564, Resulting Numbers: [1564] 1564,67 unequal: No Solution Exploring Operation: 68-23=45, Resulting Numbers: [45] 45,67 unequal: No Solution Exploring Operation: 68+23=91, Resulting Numbers: [91] 91,67 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:[79, 12], Operations: ['49+30=79', '68-56=12'] Exploring Operation: 79+12=91, Resulting Numbers: [91] 91,67 unequal: No Solution Exploring Operation: 79*12=948, Resulting Numbers: [948] 948,67 unequal: No Solution Exploring Operation: 79-12=67, Resulting Numbers: [67] 67,67 equal: Goal Reached Moving to Node #0 Current State: 67:[68, 49, 30, 56], Operations: [] Exploring Operation: 49+30=79, Resulting Numbers: [68, 56, 79] Generated Node #0,2: 67:[68, 56, 79] Operation: 49+30=79 Moving to Node #0,2 Current State: 67:[68, 56, 79], Operations: ['49+30=79'] Exploring Operation: 68-56=12, Resulting Numbers: [79, 12] Generated Node #0,2,0: 67:[79, 12] Operation: 68-56=12 Moving to Node #0,2,0 Current State: 67:[79, 12], Operations: ['49+30=79', '68-56=12'] Exploring Operation: 79-12=67, Resulting Numbers: [67] 67,67 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986111
hs_3
sum_heuristic
[ 25, 49, 71, 93 ]
23
[ "49+93=142", "142/71=2", "25-2=23" ]
Current State: 23:[25, 49, 71, 93], Operations: [] Exploring Operation: 49+93=142, Resulting Numbers: [25, 71, 142] Generated Node #2: [25, 71, 142] from Operation: 49+93=142 Current State: 23:[25, 71, 142], Operations: ['49+93=142'] Exploring Operation: 142/71=2, Resulting Numbers: [25, 2] Generated Node #3: [25, 2] from Operation: 142/71=2 Current State: 23:[25, 2], Operations: ['49+93=142', '142/71=2'] Exploring Operation: 25-2=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
4
Current State: 23:[25, 49, 71, 93], Operations: [] Exploring Operation: 93-49=44, Resulting Numbers: [25, 71, 44] Generated Node #0,0: 23:[25, 71, 44] Operation: 93-49=44 Exploring Operation: 93-71=22, Resulting Numbers: [25, 49, 22] Generated Node #0,1: 23:[25, 49, 22] Operation: 93-71=22 Exploring Operation: 71-49=22, Resulting Numbers: [25, 93, 22] Generated Node #0,2: 23:[25, 93, 22] Operation: 71-49=22 Exploring Operation: 49-25=24, Resulting Numbers: [71, 93, 24] Generated Node #0,3: 23:[71, 93, 24] Operation: 49-25=24 Start Sub Search at level 1: Moving to Node #0,1 Current State: 23:[25, 49, 22], Operations: ['93-71=22'] Exploring Operation: 25+22=47, Resulting Numbers: [49, 47] Generated Node #0,1,0: 23:[49, 47] Operation: 25+22=47 Exploring Operation: 49-22=27, Resulting Numbers: [25, 27] Generated Node #0,1,1: 23:[25, 27] Operation: 49-22=27 Exploring Operation: 25-22=3, Resulting Numbers: [49, 3] Generated Node #0,1,2: 23:[49, 3] Operation: 25-22=3 Exploring Operation: 49-25=24, Resulting Numbers: [22, 24] Generated Node #0,1,3: 23:[22, 24] Operation: 49-25=24 Moving to Node #0,1,3 Current State: 23:[22, 24], Operations: ['93-71=22', '49-25=24'] Exploring Operation: 22*24=528, Resulting Numbers: [528] 528,23 unequal: No Solution Exploring Operation: 22+24=46, Resulting Numbers: [46] 46,23 unequal: No Solution Exploring Operation: 24-22=2, Resulting Numbers: [2] 2,23 unequal: No Solution Moving to Node #0,1,1 Current State: 23:[25, 27], Operations: ['93-71=22', '49-22=27'] Exploring Operation: 25+27=52, Resulting Numbers: [52] 52,23 unequal: No Solution Exploring Operation: 27-25=2, Resulting Numbers: [2] 2,23 unequal: No Solution Exploring Operation: 25*27=675, Resulting Numbers: [675] 675,23 unequal: No Solution Moving to Node #0,1,2 Current State: 23:[49, 3], Operations: ['93-71=22', '25-22=3'] Exploring Operation: 49*3=147, Resulting Numbers: [147] 147,23 unequal: No Solution Exploring Operation: 49+3=52, Resulting Numbers: [52] 52,23 unequal: No Solution Exploring Operation: 49-3=46, Resulting Numbers: [46] 46,23 unequal: No Solution Moving to Node #0,1,0 Current State: 23:[49, 47], Operations: ['93-71=22', '25+22=47'] Exploring Operation: 49-47=2, Resulting Numbers: [2] 2,23 unequal: No Solution Exploring Operation: 49*47=2303, Resulting Numbers: [2303] 2303,23 unequal: No Solution Exploring Operation: 49+47=96, Resulting Numbers: [96] 96,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 23:[25, 71, 44], Operations: ['93-49=44'] Exploring Operation: 25+71=96, Resulting Numbers: [44, 96] Generated Node #0,0,0: 23:[44, 96] Operation: 25+71=96 Exploring Operation: 44-25=19, Resulting Numbers: [71, 19] Generated Node #0,0,1: 23:[71, 19] Operation: 44-25=19 Exploring Operation: 71-44=27, Resulting Numbers: [25, 27] Generated Node #0,0,2: 23:[25, 27] Operation: 71-44=27 Exploring Operation: 71-25=46, Resulting Numbers: [44, 46] Generated Node #0,0,3: 23:[44, 46] Operation: 71-25=46 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 23:[25, 27], Operations: ['93-49=44', '71-44=27'] Exploring Operation: 25*27=675, Resulting Numbers: [675] 675,23 unequal: No Solution Exploring Operation: 25+27=52, Resulting Numbers: [52] 52,23 unequal: No Solution Exploring Operation: 27-25=2, Resulting Numbers: [2] 2,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 23:[44, 46], Operations: ['93-49=44', '71-25=46'] Exploring Operation: 44+46=90, Resulting Numbers: [90] 90,23 unequal: No Solution Exploring Operation: 46-44=2, Resulting Numbers: [2] 2,23 unequal: No Solution Exploring Operation: 44*46=2024, Resulting Numbers: [2024] 2024,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 23:[71, 19], Operations: ['93-49=44', '44-25=19'] Exploring Operation: 71*19=1349, Resulting Numbers: [1349] 1349,23 unequal: No Solution Exploring Operation: 71-19=52, Resulting Numbers: [52] 52,23 unequal: No Solution Exploring Operation: 71+19=90, Resulting Numbers: [90] 90,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 23:[44, 96], Operations: ['93-49=44', '25+71=96'] Exploring Operation: 44+96=140, Resulting Numbers: [140] 140,23 unequal: No Solution Exploring Operation: 44*96=4224, Resulting Numbers: [4224] 4224,23 unequal: No Solution Exploring Operation: 96-44=52, Resulting Numbers: [52] 52,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 23:[25, 93, 22], Operations: ['71-49=22'] Exploring Operation: 25+22=47, Resulting Numbers: [93, 47] Generated Node #0,2,0: 23:[93, 47] Operation: 25+22=47 Exploring Operation: 25-22=3, Resulting Numbers: [93, 3] Generated Node #0,2,1: 23:[93, 3] Operation: 25-22=3 Exploring Operation: 93-25=68, Resulting Numbers: [22, 68] Generated Node #0,2,2: 23:[22, 68] Operation: 93-25=68 Exploring Operation: 93-22=71, Resulting Numbers: [25, 71] Generated Node #0,2,3: 23:[25, 71] Operation: 93-22=71 Moving to Node #0,2,2 Current State: 23:[22, 68], Operations: ['71-49=22', '93-25=68'] Exploring Operation: 68-22=46, Resulting Numbers: [46] 46,23 unequal: No Solution Exploring Operation: 22+68=90, Resulting Numbers: [90] 90,23 unequal: No Solution Exploring Operation: 22*68=1496, Resulting Numbers: [1496] 1496,23 unequal: No Solution Moving to Node #0,2,3 Current State: 23:[25, 71], Operations: ['71-49=22', '93-22=71'] Exploring Operation: 25+71=96, Resulting Numbers: [96] 96,23 unequal: No Solution Exploring Operation: 25*71=1775, Resulting Numbers: [1775] 1775,23 unequal: No Solution Exploring Operation: 71-25=46, Resulting Numbers: [46] 46,23 unequal: No Solution Moving to Node #0,2,1 Current State: 23:[93, 3], Operations: ['71-49=22', '25-22=3'] Exploring Operation: 93*3=279, Resulting Numbers: [279] 279,23 unequal: No Solution Exploring Operation: 93/3=31, Resulting Numbers: [31] 31,23 unequal: No Solution Exploring Operation: 93+3=96, Resulting Numbers: [96] 96,23 unequal: No Solution Exploring Operation: 93-3=90, Resulting Numbers: [90] 90,23 unequal: No Solution Moving to Node #0,2,0 Current State: 23:[93, 47], Operations: ['71-49=22', '25+22=47'] Exploring Operation: 93*47=4371, Resulting Numbers: [4371] 4371,23 unequal: No Solution Exploring Operation: 93+47=140, Resulting Numbers: [140] 140,23 unequal: No Solution Exploring Operation: 93-47=46, Resulting Numbers: [46] 46,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 23:[71, 93, 24], Operations: ['49-25=24'] Exploring Operation: 93-71=22, Resulting Numbers: [24, 22] Generated Node #0,3,0: 23:[24, 22] Operation: 93-71=22 Exploring Operation: 93-24=69, Resulting Numbers: [71, 69] Generated Node #0,3,1: 23:[71, 69] Operation: 93-24=69 Exploring Operation: 71-24=47, Resulting Numbers: [93, 47] Generated Node #0,3,2: 23:[93, 47] Operation: 71-24=47 Exploring Operation: 71+93=164, Resulting Numbers: [24, 164] Generated Node #0,3,3: 23:[24, 164] Operation: 71+93=164 Moving to Node #0,3,0 Current State: 23:[24, 22], Operations: ['49-25=24', '93-71=22'] Exploring Operation: 24-22=2, Resulting Numbers: [2] 2,23 unequal: No Solution Exploring Operation: 24+22=46, Resulting Numbers: [46] 46,23 unequal: No Solution Exploring Operation: 24*22=528, Resulting Numbers: [528] 528,23 unequal: No Solution Moving to Node #0,3,2 Current State: 23:[93, 47], Operations: ['49-25=24', '71-24=47'] Exploring Operation: 93-47=46, Resulting Numbers: [46] 46,23 unequal: No Solution Exploring Operation: 93+47=140, Resulting Numbers: [140] 140,23 unequal: No Solution Exploring Operation: 93*47=4371, Resulting Numbers: [4371] 4371,23 unequal: No Solution Moving to Node #0,3,1 Current State: 23:[71, 69], Operations: ['49-25=24', '93-24=69'] Exploring Operation: 71+69=140, Resulting Numbers: [140] 140,23 unequal: No Solution Exploring Operation: 71-69=2, Resulting Numbers: [2] 2,23 unequal: No Solution Exploring Operation: 71*69=4899, Resulting Numbers: [4899] 4899,23 unequal: No Solution Moving to Node #0,3,3 Current State: 23:[24, 164], Operations: ['49-25=24', '71+93=164'] Exploring Operation: 164-24=140, Resulting Numbers: [140] 140,23 unequal: No Solution Exploring Operation: 24*164=3936, Resulting Numbers: [3936] 3936,23 unequal: No Solution Exploring Operation: 24+164=188, Resulting Numbers: [188] 188,23 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
[ 29, 56, 95, 44 ]
78
[ "56-29=27", "95-44=51", "27+51=78" ]
Current State: 78:[29, 56, 95, 44], Operations: [] Exploring Operation: 56-29=27, Resulting Numbers: [95, 44, 27] Generated Node #2: [95, 44, 27] from Operation: 56-29=27 Current State: 78:[95, 44, 27], Operations: ['56-29=27'] Exploring Operation: 95-44=51, Resulting Numbers: [27, 51] Generated Node #3: [27, 51] from Operation: 95-44=51 Current State: 78:[27, 51], Operations: ['56-29=27', '95-44=51'] Exploring Operation: 27+51=78, Resulting Numbers: [78] 78,78 equal: Goal Reached
4
Current State: 78:[29, 56, 95, 44], Operations: [] Exploring Operation: 56-44=12, Resulting Numbers: [29, 95, 12] Generated Node #0,0: 78:[29, 95, 12] Operation: 56-44=12 Exploring Operation: 95-56=39, Resulting Numbers: [29, 44, 39] Generated Node #0,1: 78:[29, 44, 39] Operation: 95-56=39 Exploring Operation: 56-29=27, Resulting Numbers: [95, 44, 27] Generated Node #0,2: 78:[95, 44, 27] Operation: 56-29=27 Start Sub Search at level 1: Moving to Node #0,1 Current State: 78:[29, 44, 39], Operations: ['95-56=39'] Exploring Operation: 44-29=15, Resulting Numbers: [39, 15] Generated Node #0,1,0: 78:[39, 15] Operation: 44-29=15 Exploring Operation: 29+44=73, Resulting Numbers: [39, 73] Generated Node #0,1,1: 78:[39, 73] Operation: 29+44=73 Exploring Operation: 44-39=5, Resulting Numbers: [29, 5] Generated Node #0,1,2: 78:[29, 5] Operation: 44-39=5 Moving to Node #0,1,0 Current State: 78:[39, 15], Operations: ['95-56=39', '44-29=15'] Exploring Operation: 39-15=24, Resulting Numbers: [24] 24,78 unequal: No Solution Exploring Operation: 39*15=585, Resulting Numbers: [585] 585,78 unequal: No Solution Exploring Operation: 39+15=54, Resulting Numbers: [54] 54,78 unequal: No Solution Moving to Node #0,1,2 Current State: 78:[29, 5], Operations: ['95-56=39', '44-39=5'] Exploring Operation: 29-5=24, Resulting Numbers: [24] 24,78 unequal: No Solution Exploring Operation: 29+5=34, Resulting Numbers: [34] 34,78 unequal: No Solution Exploring Operation: 29*5=145, Resulting Numbers: [145] 145,78 unequal: No Solution Moving to Node #0,1,1 Current State: 78:[39, 73], Operations: ['95-56=39', '29+44=73'] Exploring Operation: 73-39=34, Resulting Numbers: [34] 34,78 unequal: No Solution Exploring Operation: 39+73=112, Resulting Numbers: [112] 112,78 unequal: No Solution Exploring Operation: 39*73=2847, Resulting Numbers: [2847] 2847,78 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 78:[29, 95, 12], Operations: ['56-44=12'] Exploring Operation: 29+12=41, Resulting Numbers: [95, 41] Generated Node #0,0,0: 78:[95, 41] Operation: 29+12=41 Exploring Operation: 95-12=83, Resulting Numbers: [29, 83] Generated Node #0,0,1: 78:[29, 83] Operation: 95-12=83 Exploring Operation: 95-29=66, Resulting Numbers: [12, 66] Generated Node #0,0,2: 78:[12, 66] Operation: 95-29=66 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 78:[29, 83], Operations: ['56-44=12', '95-12=83'] Exploring Operation: 29*83=2407, Resulting Numbers: [2407] 2407,78 unequal: No Solution Exploring Operation: 29+83=112, Resulting Numbers: [112] 112,78 unequal: No Solution Exploring Operation: 83-29=54, Resulting Numbers: [54] 54,78 unequal: No Solution No 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: 78:[12, 66], Operations: ['56-44=12', '95-29=66'] Exploring Operation: 12+66=78, Resulting Numbers: [78] 78,78 equal: Goal Reached Moving to Node #0 Current State: 78:[29, 56, 95, 44], Operations: [] Exploring Operation: 56-44=12, Resulting Numbers: [29, 95, 12] Generated Node #0,0: 78:[29, 95, 12] Operation: 56-44=12 Moving to Node #0,0 Current State: 78:[29, 95, 12], Operations: ['56-44=12'] Exploring Operation: 95-29=66, Resulting Numbers: [12, 66] Generated Node #0,0,2: 78:[12, 66] Operation: 95-29=66 Moving to Node #0,0,2 Current State: 78:[12, 66], Operations: ['56-44=12', '95-29=66'] Exploring Operation: 12+66=78, Resulting Numbers: [78] 78,78 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.977431
hs_3
sum_heuristic
[ 32, 55, 60, 50 ]
100
[ "55-50=5", "32*5=160", "160-60=100" ]
Current State: 100:[32, 55, 60, 50], Operations: [] Exploring Operation: 55-50=5, Resulting Numbers: [32, 60, 5] Generated Node #2: [32, 60, 5] from Operation: 55-50=5 Current State: 100:[32, 60, 5], Operations: ['55-50=5'] Exploring Operation: 32*5=160, Resulting Numbers: [60, 160] Generated Node #3: [60, 160] from Operation: 32*5=160 Current State: 100:[60, 160], Operations: ['55-50=5', '32*5=160'] Exploring Operation: 160-60=100, Resulting Numbers: [100] 100,100 equal: Goal Reached
4
Current State: 100:[32, 55, 60, 50], Operations: [] Exploring Operation: 60-55=5, Resulting Numbers: [32, 50, 5] Generated Node #0,0: 100:[32, 50, 5] Operation: 60-55=5 Moving to Node #0,0 Current State: 100:[32, 50, 5], Operations: ['60-55=5'] Exploring Operation: 50-32=18, Resulting Numbers: [5, 18] Generated Node #0,0,0: 100:[5, 18] Operation: 50-32=18 Moving to Node #0,0,0 Current State: 100:[5, 18], Operations: ['60-55=5', '50-32=18'] Exploring Operation: 5+18=23, Resulting Numbers: [23] 23,100 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 40, 33, 44, 11 ]
77
[ "40+33=73", "44/11=4", "73+4=77" ]
Current State: 77:[40, 33, 44, 11], Operations: [] Exploring Operation: 40+33=73, Resulting Numbers: [44, 11, 73] Generated Node #2: [44, 11, 73] from Operation: 40+33=73 Current State: 77:[44, 11, 73], Operations: ['40+33=73'] Exploring Operation: 44/11=4, Resulting Numbers: [73, 4] Generated Node #3: [73, 4] from Operation: 44/11=4 Current State: 77:[73, 4], Operations: ['40+33=73', '44/11=4'] Exploring Operation: 73+4=77, Resulting Numbers: [77] 77,77 equal: Goal Reached
4
Current State: 77:[40, 33, 44, 11], Operations: [] Exploring Operation: 33+44=77, Resulting Numbers: [40, 11, 77] Generated Node #0,0: 77:[40, 11, 77] Operation: 33+44=77 Exploring Operation: 40+44=84, Resulting Numbers: [33, 11, 84] Generated Node #0,1: 77:[33, 11, 84] Operation: 40+44=84 Exploring Operation: 44-40=4, Resulting Numbers: [33, 11, 4] Generated Node #0,2: 77:[33, 11, 4] Operation: 44-40=4 Moving to Node #0,2 Current State: 77:[33, 11, 4], Operations: ['44-40=4'] Exploring Operation: 33-11=22, Resulting Numbers: [4, 22] Generated Node #0,2,0: 77:[4, 22] Operation: 33-11=22 Exploring Operation: 33-4=29, Resulting Numbers: [11, 29] Generated Node #0,2,1: 77:[11, 29] Operation: 33-4=29 Exploring Operation: 33/11=3, Resulting Numbers: [4, 3] Generated Node #0,2,2: 77:[4, 3] Operation: 33/11=3 Moving to Node #0,0 Current State: 77:[40, 11, 77], Operations: ['33+44=77'] Exploring Operation: 40-11=29, Resulting Numbers: [77, 29] Generated Node #0,0,0: 77:[77, 29] Operation: 40-11=29 Exploring Operation: 40+11=51, Resulting Numbers: [77, 51] Generated Node #0,0,1: 77:[77, 51] Operation: 40+11=51 Exploring Operation: 77-40=37, Resulting Numbers: [11, 37] Generated Node #0,0,2: 77:[11, 37] Operation: 77-40=37 Moving to Node #0,1 Current State: 77:[33, 11, 84], Operations: ['40+44=84'] Exploring Operation: 84-33=51, Resulting Numbers: [11, 51] Generated Node #0,1,0: 77:[11, 51] Operation: 84-33=51 Exploring Operation: 33-11=22, Resulting Numbers: [84, 22] Generated Node #0,1,1: 77:[84, 22] Operation: 33-11=22 Exploring Operation: 33/11=3, Resulting Numbers: [84, 3] Generated Node #0,1,2: 77:[84, 3] Operation: 33/11=3 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 77:[84, 3], Operations: ['40+44=84', '33/11=3'] Exploring Operation: 84-3=81, Resulting Numbers: [81] 81,77 unequal: No Solution Exploring Operation: 84/3=28, Resulting Numbers: [28] 28,77 unequal: No Solution Exploring Operation: 84+3=87, Resulting Numbers: [87] 87,77 unequal: No Solution No 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: 77:[84, 22], Operations: ['40+44=84', '33-11=22'] Exploring Operation: 84+22=106, Resulting Numbers: [106] 106,77 unequal: No Solution Exploring Operation: 84-22=62, Resulting Numbers: [62] 62,77 unequal: No Solution Exploring Operation: 84*22=1848, Resulting Numbers: [1848] 1848,77 unequal: No Solution No 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: 77:[11, 51], Operations: ['40+44=84', '84-33=51'] Exploring Operation: 51-11=40, Resulting Numbers: [40] 40,77 unequal: No Solution Exploring Operation: 11+51=62, Resulting Numbers: [62] 62,77 unequal: No Solution Exploring Operation: 11*51=561, Resulting Numbers: [561] 561,77 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: 77:[4, 3], Operations: ['44-40=4', '33/11=3'] Exploring Operation: 4+3=7, Resulting Numbers: [7] 7,77 unequal: No Solution Exploring Operation: 4-3=1, Resulting Numbers: [1] 1,77 unequal: No Solution Exploring Operation: 4*3=12, Resulting Numbers: [12] 12,77 unequal: No Solution Moving to Node #0,2,0 Current State: 77:[4, 22], Operations: ['44-40=4', '33-11=22'] Exploring Operation: 4+22=26, Resulting Numbers: [26] 26,77 unequal: No Solution Exploring Operation: 22-4=18, Resulting Numbers: [18] 18,77 unequal: No Solution Exploring Operation: 4*22=88, Resulting Numbers: [88] 88,77 unequal: No Solution Moving to Node #0,2,1 Current State: 77:[11, 29], Operations: ['44-40=4', '33-4=29'] Exploring Operation: 11*29=319, Resulting Numbers: [319] 319,77 unequal: No Solution Exploring Operation: 11+29=40, Resulting Numbers: [40] 40,77 unequal: No Solution Exploring Operation: 29-11=18, Resulting Numbers: [18] 18,77 unequal: No Solution Moving to Node #0,0,0 Current State: 77:[77, 29], Operations: ['33+44=77', '40-11=29'] Exploring Operation: 77*29=2233, Resulting Numbers: [2233] 2233,77 unequal: No Solution Exploring Operation: 77+29=106, Resulting Numbers: [106] 106,77 unequal: No Solution Exploring Operation: 77-29=48, Resulting Numbers: [48] 48,77 unequal: No Solution Moving to Node #0,0,2 Current State: 77:[11, 37], Operations: ['33+44=77', '77-40=37'] Exploring Operation: 37-11=26, Resulting Numbers: [26] 26,77 unequal: No Solution Exploring Operation: 11+37=48, Resulting Numbers: [48] 48,77 unequal: No Solution Exploring Operation: 11*37=407, Resulting Numbers: [407] 407,77 unequal: No Solution Moving to Node #0,0,1 Current State: 77:[77, 51], Operations: ['33+44=77', '40+11=51'] Exploring Operation: 77*51=3927, Resulting Numbers: [3927] 3927,77 unequal: No Solution Exploring Operation: 77+51=128, Resulting Numbers: [128] 128,77 unequal: No Solution Exploring Operation: 77-51=26, Resulting Numbers: [26] 26,77 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 16, 39, 44, 94 ]
83
[ "16+39=55", "44+94=138", "138-55=83" ]
Current State: 83:[16, 39, 44, 94], Operations: [] Exploring Operation: 16+39=55, Resulting Numbers: [44, 94, 55] Generated Node #2: [44, 94, 55] from Operation: 16+39=55 Current State: 83:[44, 94, 55], Operations: ['16+39=55'] Exploring Operation: 44+94=138, Resulting Numbers: [55, 138] Generated Node #3: [55, 138] from Operation: 44+94=138 Current State: 83:[55, 138], Operations: ['16+39=55', '44+94=138'] Exploring Operation: 138-55=83, Resulting Numbers: [83] 83,83 equal: Goal Reached
4
Current State: 83:[16, 39, 44, 94], Operations: [] Exploring Operation: 16+44=60, Resulting Numbers: [39, 94, 60] Generated Node #0,0: 83:[39, 94, 60] Operation: 16+44=60 Exploring Operation: 39-16=23, Resulting Numbers: [44, 94, 23] Generated Node #0,1: 83:[44, 94, 23] Operation: 39-16=23 Exploring Operation: 39+44=83, Resulting Numbers: [16, 94, 83] Generated Node #0,2: 83:[16, 94, 83] Operation: 39+44=83 Exploring Operation: 16+39=55, Resulting Numbers: [44, 94, 55] Generated Node #0,3: 83:[44, 94, 55] Operation: 16+39=55 Exploring Operation: 94-16=78, Resulting Numbers: [39, 44, 78] Generated Node #0,4: 83:[39, 44, 78] Operation: 94-16=78 Start Sub Search at level 1: Moving to Node #0,0 Current State: 83:[39, 94, 60], Operations: ['16+44=60'] Exploring Operation: 94-60=34, Resulting Numbers: [39, 34] Generated Node #0,0,0: 83:[39, 34] Operation: 94-60=34 Exploring Operation: 39+60=99, Resulting Numbers: [94, 99] Generated Node #0,0,1: 83:[94, 99] Operation: 39+60=99 Exploring Operation: 94-39=55, Resulting Numbers: [60, 55] Generated Node #0,0,2: 83:[60, 55] Operation: 94-39=55 Exploring Operation: 60-39=21, Resulting Numbers: [94, 21] Generated Node #0,0,3: 83:[94, 21] Operation: 60-39=21 Exploring Operation: 39+94=133, Resulting Numbers: [60, 133] Generated Node #0,0,4: 83:[60, 133] Operation: 39+94=133 Moving to Node #0,0,1 Current State: 83:[94, 99], Operations: ['16+44=60', '39+60=99'] Exploring Operation: 99-94=5, Resulting Numbers: [5] 5,83 unequal: No Solution Exploring Operation: 94+99=193, Resulting Numbers: [193] 193,83 unequal: No Solution Exploring Operation: 94*99=9306, Resulting Numbers: [9306] 9306,83 unequal: No Solution Moving to Node #0,0,2 Current State: 83:[60, 55], Operations: ['16+44=60', '94-39=55'] Exploring Operation: 60-55=5, Resulting Numbers: [5] 5,83 unequal: No Solution Exploring Operation: 60*55=3300, Resulting Numbers: [3300] 3300,83 unequal: No Solution Exploring Operation: 60+55=115, Resulting Numbers: [115] 115,83 unequal: No Solution Moving to Node #0,0,3 Current State: 83:[94, 21], Operations: ['16+44=60', '60-39=21'] Exploring Operation: 94*21=1974, Resulting Numbers: [1974] 1974,83 unequal: No Solution Exploring Operation: 94+21=115, Resulting Numbers: [115] 115,83 unequal: No Solution Exploring Operation: 94-21=73, Resulting Numbers: [73] 73,83 unequal: No Solution Moving to Node #0,0,4 Current State: 83:[60, 133], Operations: ['16+44=60', '39+94=133'] Exploring Operation: 60*133=7980, Resulting Numbers: [7980] 7980,83 unequal: No Solution Exploring Operation: 133-60=73, Resulting Numbers: [73] 73,83 unequal: No Solution Exploring Operation: 60+133=193, Resulting Numbers: [193] 193,83 unequal: No Solution Moving to Node #0,0,0 Current State: 83:[39, 34], Operations: ['16+44=60', '94-60=34'] Exploring Operation: 39-34=5, Resulting Numbers: [5] 5,83 unequal: No Solution Exploring Operation: 39+34=73, Resulting Numbers: [73] 73,83 unequal: No Solution Exploring Operation: 39*34=1326, Resulting Numbers: [1326] 1326,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 83:[16, 94, 83], Operations: ['39+44=83'] Exploring Operation: 94-16=78, Resulting Numbers: [83, 78] Generated Node #0,2,0: 83:[83, 78] Operation: 94-16=78 Exploring Operation: 16+83=99, Resulting Numbers: [94, 99] Generated Node #0,2,1: 83:[94, 99] Operation: 16+83=99 Exploring Operation: 94-83=11, Resulting Numbers: [16, 11] Generated Node #0,2,2: 83:[16, 11] Operation: 94-83=11 Exploring Operation: 16+94=110, Resulting Numbers: [83, 110] Generated Node #0,2,3: 83:[83, 110] Operation: 16+94=110 Exploring Operation: 83-16=67, Resulting Numbers: [94, 67] Generated Node #0,2,4: 83:[94, 67] Operation: 83-16=67 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 83:[83, 78], Operations: ['39+44=83', '94-16=78'] Exploring Operation: 83+78=161, Resulting Numbers: [161] 161,83 unequal: No Solution Exploring Operation: 83-78=5, Resulting Numbers: [5] 5,83 unequal: No Solution Exploring Operation: 83*78=6474, Resulting Numbers: [6474] 6474,83 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 83:[94, 99], Operations: ['39+44=83', '16+83=99'] Exploring Operation: 99-94=5, Resulting Numbers: [5] 5,83 unequal: No Solution Exploring Operation: 94*99=9306, Resulting Numbers: [9306] 9306,83 unequal: No Solution Exploring Operation: 94+99=193, Resulting Numbers: [193] 193,83 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 83:[83, 110], Operations: ['39+44=83', '16+94=110'] Exploring Operation: 83*110=9130, Resulting Numbers: [9130] 9130,83 unequal: No Solution Exploring Operation: 83+110=193, Resulting Numbers: [193] 193,83 unequal: No Solution Exploring Operation: 110-83=27, Resulting Numbers: [27] 27,83 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 83:[94, 67], Operations: ['39+44=83', '83-16=67'] Exploring Operation: 94*67=6298, Resulting Numbers: [6298] 6298,83 unequal: No Solution Exploring Operation: 94-67=27, Resulting Numbers: [27] 27,83 unequal: No Solution Exploring Operation: 94+67=161, Resulting Numbers: [161] 161,83 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 83:[16, 11], Operations: ['39+44=83', '94-83=11'] Exploring Operation: 16*11=176, Resulting Numbers: [176] 176,83 unequal: No Solution Exploring Operation: 16+11=27, Resulting Numbers: [27] 27,83 unequal: No Solution Exploring Operation: 16-11=5, Resulting Numbers: [5] 5,83 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 83:[44, 94, 55], Operations: ['16+39=55'] Exploring Operation: 44+94=138, Resulting Numbers: [55, 138] Generated Node #0,3,0: 83:[55, 138] Operation: 44+94=138 Exploring Operation: 94-55=39, Resulting Numbers: [44, 39] Generated Node #0,3,1: 83:[44, 39] Operation: 94-55=39 Exploring Operation: 44+55=99, Resulting Numbers: [94, 99] Generated Node #0,3,2: 83:[94, 99] Operation: 44+55=99 Exploring Operation: 55-44=11, Resulting Numbers: [94, 11] Generated Node #0,3,3: 83:[94, 11] Operation: 55-44=11 Exploring Operation: 94-44=50, Resulting Numbers: [55, 50] Generated Node #0,3,4: 83:[55, 50] Operation: 94-44=50 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 83:[94, 99], Operations: ['16+39=55', '44+55=99'] Exploring Operation: 94*99=9306, Resulting Numbers: [9306] 9306,83 unequal: No Solution Exploring Operation: 94+99=193, Resulting Numbers: [193] 193,83 unequal: No Solution Exploring Operation: 99-94=5, Resulting Numbers: [5] 5,83 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 83:[55, 50], Operations: ['16+39=55', '94-44=50'] Exploring Operation: 55*50=2750, Resulting Numbers: [2750] 2750,83 unequal: No Solution Exploring Operation: 55+50=105, Resulting Numbers: [105] 105,83 unequal: No Solution Exploring Operation: 55-50=5, Resulting Numbers: [5] 5,83 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 83:[55, 138], Operations: ['16+39=55', '44+94=138'] Exploring Operation: 55*138=7590, Resulting Numbers: [7590] 7590,83 unequal: No Solution Exploring Operation: 138-55=83, Resulting Numbers: [83] 83,83 equal: Goal Reached Moving to Node #0 Current State: 83:[16, 39, 44, 94], Operations: [] Exploring Operation: 16+39=55, Resulting Numbers: [44, 94, 55] Generated Node #0,3: 83:[44, 94, 55] Operation: 16+39=55 Moving to Node #0,3 Current State: 83:[44, 94, 55], Operations: ['16+39=55'] Exploring Operation: 44+94=138, Resulting Numbers: [55, 138] Generated Node #0,3,0: 83:[55, 138] Operation: 44+94=138 Moving to Node #0,3,0 Current State: 83:[55, 138], Operations: ['16+39=55', '44+94=138'] Exploring Operation: 138-55=83, Resulting Numbers: [83] 83,83 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.946181
hs_5
mult_heuristic
[ 33, 45, 3, 23 ]
11
[ "33/3=11", "45-23=22", "22-11=11" ]
Current State: 11:[33, 45, 3, 23], Operations: [] Exploring Operation: 33/3=11, Resulting Numbers: [45, 23, 11] Generated Node #2: [45, 23, 11] from Operation: 33/3=11 Current State: 11:[45, 23, 11], Operations: ['33/3=11'] Exploring Operation: 45-23=22, Resulting Numbers: [11, 22] Generated Node #3: [11, 22] from Operation: 45-23=22 Current State: 11:[11, 22], Operations: ['33/3=11', '45-23=22'] Exploring Operation: 22-11=11, Resulting Numbers: [11] 11,11 equal: Goal Reached
4
Current State: 11:[33, 45, 3, 23], Operations: [] Exploring Operation: 45/3=15, Resulting Numbers: [33, 23, 15] Generated Node #0,0: 11:[33, 23, 15] Operation: 45/3=15 Exploring Operation: 45-23=22, Resulting Numbers: [33, 3, 22] Generated Node #0,1: 11:[33, 3, 22] Operation: 45-23=22 Exploring Operation: 45-33=12, Resulting Numbers: [3, 23, 12] Generated Node #0,2: 11:[3, 23, 12] Operation: 45-33=12 Start Sub Search at level 1: Moving to Node #0,2 Current State: 11:[3, 23, 12], Operations: ['45-33=12'] Exploring Operation: 12-3=9, Resulting Numbers: [23, 9] Generated Node #0,2,0: 11:[23, 9] Operation: 12-3=9 Exploring Operation: 23-12=11, Resulting Numbers: [3, 11] Generated Node #0,2,1: 11:[3, 11] Operation: 23-12=11 Exploring Operation: 23-3=20, Resulting Numbers: [12, 20] Generated Node #0,2,2: 11:[12, 20] Operation: 23-3=20 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 11:[3, 11], Operations: ['45-33=12', '23-12=11'] Exploring Operation: 3*11=33, Resulting Numbers: [33] 33,11 unequal: No Solution Exploring Operation: 3+11=14, Resulting Numbers: [14] 14,11 unequal: No Solution Exploring Operation: 11-3=8, Resulting Numbers: [8] 8,11 unequal: No Solution No 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: 11:[12, 20], Operations: ['45-33=12', '23-3=20'] Exploring Operation: 12*20=240, Resulting Numbers: [240] 240,11 unequal: No Solution Exploring Operation: 20-12=8, Resulting Numbers: [8] 8,11 unequal: No Solution Exploring Operation: 12+20=32, Resulting Numbers: [32] 32,11 unequal: No Solution No 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: 11:[23, 9], Operations: ['45-33=12', '12-3=9'] Exploring Operation: 23*9=207, Resulting Numbers: [207] 207,11 unequal: No Solution Exploring Operation: 23-9=14, Resulting Numbers: [14] 14,11 unequal: No Solution Exploring Operation: 23+9=32, Resulting Numbers: [32] 32,11 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: 11:[33, 23, 15], Operations: ['45/3=15'] Exploring Operation: 23-15=8, Resulting Numbers: [33, 8] Generated Node #0,0,0: 11:[33, 8] Operation: 23-15=8 Exploring Operation: 33-23=10, Resulting Numbers: [15, 10] Generated Node #0,0,1: 11:[15, 10] Operation: 33-23=10 Exploring Operation: 33-15=18, Resulting Numbers: [23, 18] Generated Node #0,0,2: 11:[23, 18] Operation: 33-15=18 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 11:[15, 10], Operations: ['45/3=15', '33-23=10'] Exploring Operation: 15+10=25, Resulting Numbers: [25] 25,11 unequal: No Solution Exploring Operation: 15*10=150, Resulting Numbers: [150] 150,11 unequal: No Solution Exploring Operation: 15-10=5, Resulting Numbers: [5] 5,11 unequal: No Solution No 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: 11:[23, 18], Operations: ['45/3=15', '33-15=18'] Exploring Operation: 23+18=41, Resulting Numbers: [41] 41,11 unequal: No Solution Exploring Operation: 23-18=5, Resulting Numbers: [5] 5,11 unequal: No Solution Exploring Operation: 23*18=414, Resulting Numbers: [414] 414,11 unequal: No Solution No 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: 11:[33, 8], Operations: ['45/3=15', '23-15=8'] Exploring Operation: 33+8=41, Resulting Numbers: [41] 41,11 unequal: No Solution Exploring Operation: 33-8=25, Resulting Numbers: [25] 25,11 unequal: No Solution Exploring Operation: 33*8=264, Resulting Numbers: [264] 264,11 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: 11:[33, 3, 22], Operations: ['45-23=22'] Exploring Operation: 33-22=11, Resulting Numbers: [3, 11] Generated Node #0,1,0: 11:[3, 11] Operation: 33-22=11 Exploring Operation: 33-3=30, Resulting Numbers: [22, 30] Generated Node #0,1,1: 11:[22, 30] Operation: 33-3=30 Exploring Operation: 33/3=11, Resulting Numbers: [22, 11] Generated Node #0,1,2: 11:[22, 11] Operation: 33/3=11 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 11:[3, 11], Operations: ['45-23=22', '33-22=11'] Exploring Operation: 11-3=8, Resulting Numbers: [8] 8,11 unequal: No Solution Exploring Operation: 3+11=14, Resulting Numbers: [14] 14,11 unequal: No Solution Exploring Operation: 3*11=33, Resulting Numbers: [33] 33,11 unequal: No Solution No 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: 11:[22, 11], Operations: ['45-23=22', '33/3=11'] Exploring Operation: 22/11=2, Resulting Numbers: [2] 2,11 unequal: No Solution Exploring Operation: 22-11=11, Resulting Numbers: [11] 11,11 equal: Goal Reached Moving to Node #0 Current State: 11:[33, 45, 3, 23], Operations: [] Exploring Operation: 45-23=22, Resulting Numbers: [33, 3, 22] Generated Node #0,1: 11:[33, 3, 22] Operation: 45-23=22 Moving to Node #0,1 Current State: 11:[33, 3, 22], Operations: ['45-23=22'] Exploring Operation: 33/3=11, Resulting Numbers: [22, 11] Generated Node #0,1,2: 11:[22, 11] Operation: 33/3=11 Moving to Node #0,1,2 Current State: 11:[22, 11], Operations: ['45-23=22', '33/3=11'] Exploring Operation: 22-11=11, Resulting Numbers: [11] 11,11 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.966146
hs_3
sum_heuristic
[ 63, 66, 51, 14 ]
63
[ "66-51=15", "15-14=1", "63*1=63" ]
Current State: 63:[63, 66, 51, 14], Operations: [] Exploring Operation: 66-51=15, Resulting Numbers: [63, 14, 15] Generated Node #2: [63, 14, 15] from Operation: 66-51=15 Current State: 63:[63, 14, 15], Operations: ['66-51=15'] Exploring Operation: 15-14=1, Resulting Numbers: [63, 1] Generated Node #3: [63, 1] from Operation: 15-14=1 Current State: 63:[63, 1], Operations: ['66-51=15', '15-14=1'] Exploring Operation: 63*1=63, Resulting Numbers: [63] 63,63 equal: Goal Reached
4
Current State: 63:[63, 66, 51, 14], Operations: [] Exploring Operation: 51+14=65, Resulting Numbers: [63, 66, 65] Generated Node #0,0: 63:[63, 66, 65] Operation: 51+14=65 Exploring Operation: 63-51=12, Resulting Numbers: [66, 14, 12] Generated Node #0,1: 63:[66, 14, 12] Operation: 63-51=12 Exploring Operation: 66-51=15, Resulting Numbers: [63, 14, 15] Generated Node #0,2: 63:[63, 14, 15] Operation: 66-51=15 Moving to Node #0,0 Current State: 63:[63, 66, 65], Operations: ['51+14=65'] Exploring Operation: 65-63=2, Resulting Numbers: [66, 2] Generated Node #0,0,0: 63:[66, 2] Operation: 65-63=2 Exploring Operation: 66-65=1, Resulting Numbers: [63, 1] Generated Node #0,0,1: 63:[63, 1] Operation: 66-65=1 Exploring Operation: 66-63=3, Resulting Numbers: [65, 3] Generated Node #0,0,2: 63:[65, 3] Operation: 66-63=3 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 63:[63, 1], Operations: ['51+14=65', '66-65=1'] Exploring Operation: 63/1=63, Resulting Numbers: [63] 63,63 equal: Goal Reached Moving to Node #0 Current State: 63:[63, 66, 51, 14], Operations: [] Exploring Operation: 51+14=65, Resulting Numbers: [63, 66, 65] Generated Node #0,0: 63:[63, 66, 65] Operation: 51+14=65 Moving to Node #0,0 Current State: 63:[63, 66, 65], Operations: ['51+14=65'] Exploring Operation: 66-65=1, Resulting Numbers: [63, 1] Generated Node #0,0,1: 63:[63, 1] Operation: 66-65=1 Moving to Node #0,0,1 Current State: 63:[63, 1], Operations: ['51+14=65', '66-65=1'] Exploring Operation: 63/1=63, Resulting Numbers: [63] 63,63 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_3
sum_heuristic
[ 10, 40, 79, 33 ]
60
[ "79-40=39", "39-33=6", "10*6=60" ]
Current State: 60:[10, 40, 79, 33], Operations: [] Exploring Operation: 79-40=39, Resulting Numbers: [10, 33, 39] Generated Node #2: [10, 33, 39] from Operation: 79-40=39 Current State: 60:[10, 33, 39], Operations: ['79-40=39'] Exploring Operation: 39-33=6, Resulting Numbers: [10, 6] Generated Node #3: [10, 6] from Operation: 39-33=6 Current State: 60:[10, 6], Operations: ['79-40=39', '39-33=6'] Exploring Operation: 10*6=60, Resulting Numbers: [60] 60,60 equal: Goal Reached
4
Current State: 60:[10, 40, 79, 33], Operations: [] Exploring Operation: 79-40=39, Resulting Numbers: [10, 33, 39] Generated Node #0,0: 60:[10, 33, 39] Operation: 79-40=39 Exploring Operation: 40-10=30, Resulting Numbers: [79, 33, 30] Generated Node #0,1: 60:[79, 33, 30] Operation: 40-10=30 Exploring Operation: 40-33=7, Resulting Numbers: [10, 79, 7] Generated Node #0,2: 60:[10, 79, 7] Operation: 40-33=7 Exploring Operation: 40/10=4, Resulting Numbers: [79, 33, 4] Generated Node #0,3: 60:[79, 33, 4] Operation: 40/10=4 Moving to Node #0,0 Current State: 60:[10, 33, 39], Operations: ['79-40=39'] Exploring Operation: 39-10=29, Resulting Numbers: [33, 29] Generated Node #0,0,0: 60:[33, 29] Operation: 39-10=29 Exploring Operation: 33-10=23, Resulting Numbers: [39, 23] Generated Node #0,0,1: 60:[39, 23] Operation: 33-10=23 Exploring Operation: 39-33=6, Resulting Numbers: [10, 6] Generated Node #0,0,2: 60:[10, 6] Operation: 39-33=6 Exploring Operation: 33+39=72, Resulting Numbers: [10, 72] Generated Node #0,0,3: 60:[10, 72] Operation: 33+39=72 Moving to Node #0,2 Current State: 60:[10, 79, 7], Operations: ['40-33=7'] Exploring Operation: 10+7=17, Resulting Numbers: [79, 17] Generated Node #0,2,0: 60:[79, 17] Operation: 10+7=17 Exploring Operation: 10-7=3, Resulting Numbers: [79, 3] Generated Node #0,2,1: 60:[79, 3] Operation: 10-7=3 Exploring Operation: 79-10=69, Resulting Numbers: [7, 69] Generated Node #0,2,2: 60:[7, 69] Operation: 79-10=69 Exploring Operation: 79-7=72, Resulting Numbers: [10, 72] Generated Node #0,2,3: 60:[10, 72] Operation: 79-7=72 Moving to Node #0,3 Current State: 60:[79, 33, 4], Operations: ['40/10=4'] Exploring Operation: 79+4=83, Resulting Numbers: [33, 83] Generated Node #0,3,0: 60:[33, 83] Operation: 79+4=83 Exploring Operation: 79-33=46, Resulting Numbers: [4, 46] Generated Node #0,3,1: 60:[4, 46] Operation: 79-33=46 Exploring Operation: 33-4=29, Resulting Numbers: [79, 29] Generated Node #0,3,2: 60:[79, 29] Operation: 33-4=29 Exploring Operation: 79-4=75, Resulting Numbers: [33, 75] Generated Node #0,3,3: 60:[33, 75] Operation: 79-4=75 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 60:[4, 46], Operations: ['40/10=4', '79-33=46'] Exploring Operation: 4*46=184, Resulting Numbers: [184] 184,60 unequal: No Solution Exploring Operation: 4+46=50, Resulting Numbers: [50] 50,60 unequal: No Solution Exploring Operation: 46-4=42, Resulting Numbers: [42] 42,60 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 60:[33, 75], Operations: ['40/10=4', '79-4=75'] Exploring Operation: 33+75=108, Resulting Numbers: [108] 108,60 unequal: No Solution Exploring Operation: 75-33=42, Resulting Numbers: [42] 42,60 unequal: No Solution Exploring Operation: 33*75=2475, Resulting Numbers: [2475] 2475,60 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 60:[79, 29], Operations: ['40/10=4', '33-4=29'] Exploring Operation: 79-29=50, Resulting Numbers: [50] 50,60 unequal: No Solution Exploring Operation: 79+29=108, Resulting Numbers: [108] 108,60 unequal: No Solution Exploring Operation: 79*29=2291, Resulting Numbers: [2291] 2291,60 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 60:[33, 83], Operations: ['40/10=4', '79+4=83'] Exploring Operation: 83-33=50, Resulting Numbers: [50] 50,60 unequal: No Solution Exploring Operation: 33*83=2739, Resulting Numbers: [2739] 2739,60 unequal: No Solution Exploring Operation: 33+83=116, Resulting Numbers: [116] 116,60 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: 60:[79, 33, 30], Operations: ['40-10=30'] Exploring Operation: 79-33=46, Resulting Numbers: [30, 46] Generated Node #0,1,0: 60:[30, 46] Operation: 79-33=46 Exploring Operation: 33+30=63, Resulting Numbers: [79, 63] Generated Node #0,1,1: 60:[79, 63] Operation: 33+30=63 Exploring Operation: 33-30=3, Resulting Numbers: [79, 3] Generated Node #0,1,2: 60:[79, 3] Operation: 33-30=3 Exploring Operation: 79-30=49, Resulting Numbers: [33, 49] Generated Node #0,1,3: 60:[33, 49] Operation: 79-30=49 Moving to Node #0,0,2 Current State: 60:[10, 6], Operations: ['79-40=39', '39-33=6'] Exploring Operation: 10+6=16, Resulting Numbers: [16] 16,60 unequal: No Solution Exploring Operation: 10*6=60, Resulting Numbers: [60] 60,60 equal: Goal Reached Moving to Node #0 Current State: 60:[10, 40, 79, 33], Operations: [] Exploring Operation: 79-40=39, Resulting Numbers: [10, 33, 39] Generated Node #0,0: 60:[10, 33, 39] Operation: 79-40=39 Moving to Node #0,0 Current State: 60:[10, 33, 39], Operations: ['79-40=39'] Exploring Operation: 39-33=6, Resulting Numbers: [10, 6] Generated Node #0,0,2: 60:[10, 6] Operation: 39-33=6 Moving to Node #0,0,2 Current State: 60:[10, 6], Operations: ['79-40=39', '39-33=6'] Exploring Operation: 10*6=60, Resulting Numbers: [60] 60,60 equal: Goal Reached
0.967014
hs_4
mult_heuristic
[ 49, 74, 94, 22 ]
91
[ "74-49=25", "94+22=116", "116-25=91" ]
Current State: 91:[49, 74, 94, 22], Operations: [] Exploring Operation: 74-49=25, Resulting Numbers: [94, 22, 25] Generated Node #2: [94, 22, 25] from Operation: 74-49=25 Current State: 91:[94, 22, 25], Operations: ['74-49=25'] Exploring Operation: 94+22=116, Resulting Numbers: [25, 116] Generated Node #3: [25, 116] from Operation: 94+22=116 Current State: 91:[25, 116], Operations: ['74-49=25', '94+22=116'] Exploring Operation: 116-25=91, Resulting Numbers: [91] 91,91 equal: Goal Reached
4
Current State: 91:[49, 74, 94, 22], Operations: [] Exploring Operation: 49-22=27, Resulting Numbers: [74, 94, 27] Generated Node #0,0: 91:[74, 94, 27] Operation: 49-22=27 Exploring Operation: 74-49=25, Resulting Numbers: [94, 22, 25] Generated Node #0,1: 91:[94, 22, 25] Operation: 74-49=25 Exploring Operation: 49+74=123, Resulting Numbers: [94, 22, 123] Generated Node #0,2: 91:[94, 22, 123] Operation: 49+74=123 Exploring Operation: 74+22=96, Resulting Numbers: [49, 94, 96] Generated Node #0,3: 91:[49, 94, 96] Operation: 74+22=96 Exploring Operation: 49+22=71, Resulting Numbers: [74, 94, 71] Generated Node #0,4: 91:[74, 94, 71] Operation: 49+22=71 Moving to Node #0,1 Current State: 91:[94, 22, 25], Operations: ['74-49=25'] Exploring Operation: 94+22=116, Resulting Numbers: [25, 116] Generated Node #0,1,0: 91:[25, 116] Operation: 94+22=116 Exploring Operation: 25-22=3, Resulting Numbers: [94, 3] Generated Node #0,1,1: 91:[94, 3] Operation: 25-22=3 Exploring Operation: 94-22=72, Resulting Numbers: [25, 72] Generated Node #0,1,2: 91:[25, 72] Operation: 94-22=72 Exploring Operation: 94+25=119, Resulting Numbers: [22, 119] Generated Node #0,1,3: 91:[22, 119] Operation: 94+25=119 Exploring Operation: 94-25=69, Resulting Numbers: [22, 69] Generated Node #0,1,4: 91:[22, 69] Operation: 94-25=69 Moving to Node #0,0 Current State: 91:[74, 94, 27], Operations: ['49-22=27'] Exploring Operation: 94-27=67, Resulting Numbers: [74, 67] Generated Node #0,0,0: 91:[74, 67] Operation: 94-27=67 Exploring Operation: 94-74=20, Resulting Numbers: [27, 20] Generated Node #0,0,1: 91:[27, 20] Operation: 94-74=20 Exploring Operation: 74-27=47, Resulting Numbers: [94, 47] Generated Node #0,0,2: 91:[94, 47] Operation: 74-27=47 Exploring Operation: 94+27=121, Resulting Numbers: [74, 121] Generated Node #0,0,3: 91:[74, 121] Operation: 94+27=121 Exploring Operation: 74+27=101, Resulting Numbers: [94, 101] Generated Node #0,0,4: 91:[94, 101] Operation: 74+27=101 Moving to Node #0,4 Current State: 91:[74, 94, 71], Operations: ['49+22=71'] Exploring Operation: 94+71=165, Resulting Numbers: [74, 165] Generated Node #0,4,0: 91:[74, 165] Operation: 94+71=165 Exploring Operation: 74-71=3, Resulting Numbers: [94, 3] Generated Node #0,4,1: 91:[94, 3] Operation: 74-71=3 Exploring Operation: 94-74=20, Resulting Numbers: [71, 20] Generated Node #0,4,2: 91:[71, 20] Operation: 94-74=20 Exploring Operation: 74+71=145, Resulting Numbers: [94, 145] Generated Node #0,4,3: 91:[94, 145] Operation: 74+71=145 Exploring Operation: 94-71=23, Resulting Numbers: [74, 23] Generated Node #0,4,4: 91:[74, 23] Operation: 94-71=23 Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 91:[94, 3], Operations: ['49+22=71', '74-71=3'] Exploring Operation: 94-3=91, Resulting Numbers: [91] 91,91 equal: Goal Reached Moving to Node #0 Current State: 91:[49, 74, 94, 22], Operations: [] Exploring Operation: 49+22=71, Resulting Numbers: [74, 94, 71] Generated Node #0,4: 91:[74, 94, 71] Operation: 49+22=71 Moving to Node #0,4 Current State: 91:[74, 94, 71], Operations: ['49+22=71'] Exploring Operation: 74-71=3, Resulting Numbers: [94, 3] Generated Node #0,4,1: 91:[94, 3] Operation: 74-71=3 Moving to Node #0,4,1 Current State: 91:[94, 3], Operations: ['49+22=71', '74-71=3'] Exploring Operation: 94-3=91, Resulting Numbers: [91] 91,91 equal: Goal Reached Exit Sub Search at level 1
0.978299
hs_5
sum_heuristic
[ 52, 52, 84, 82 ]
84
[ "52-52=0", "82*0=0", "84+0=84" ]
Current State: 84:[52, 52, 84, 82], Operations: [] Exploring Operation: 52-52=0, Resulting Numbers: [84, 82, 0] Generated Node #2: [84, 82, 0] from Operation: 52-52=0 Current State: 84:[84, 82, 0], Operations: ['52-52=0'] Exploring Operation: 82*0=0, Resulting Numbers: [84, 0] Generated Node #3: [84, 0] from Operation: 82*0=0 Current State: 84:[84, 0], Operations: ['52-52=0', '82*0=0'] Exploring Operation: 84+0=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
4
Current State: 84:[52, 52, 84, 82], Operations: [] Exploring Operation: 52/52=1, Resulting Numbers: [84, 82, 1] Generated Node #0,0: 84:[84, 82, 1] Operation: 52/52=1 Exploring Operation: 52-52=0, Resulting Numbers: [84, 82, 0] Generated Node #0,1: 84:[84, 82, 0] Operation: 52-52=0 Exploring Operation: 82-52=30, Resulting Numbers: [52, 84, 30] Generated Node #0,2: 84:[52, 84, 30] Operation: 82-52=30 Exploring Operation: 84-52=32, Resulting Numbers: [52, 82, 32] Generated Node #0,3: 84:[52, 82, 32] Operation: 84-52=32 Exploring Operation: 82-52=30, Resulting Numbers: [52, 84, 30] Generated Node #0,4: 84:[52, 84, 30] Operation: 82-52=30 Moving to Node #0,0 Current State: 84:[84, 82, 1], Operations: ['52/52=1'] Exploring Operation: 82+1=83, Resulting Numbers: [84, 83] Generated Node #0,0,0: 84:[84, 83] Operation: 82+1=83 Exploring Operation: 82*1=82, Resulting Numbers: [84, 82] Generated Node #0,0,1: 84:[84, 82] Operation: 82*1=82 Exploring Operation: 84-82=2, Resulting Numbers: [1, 2] Generated Node #0,0,2: 84:[1, 2] Operation: 84-82=2 Exploring Operation: 84/1=84, Resulting Numbers: [82, 84] Generated Node #0,0,3: 84:[82, 84] Operation: 84/1=84 Exploring Operation: 84*1=84, Resulting Numbers: [82, 84] Generated Node #0,0,4: 84:[82, 84] Operation: 84*1=84 Moving to Node #0,1 Current State: 84:[84, 82, 0], Operations: ['52-52=0'] Exploring Operation: 84-82=2, Resulting Numbers: [0, 2] Generated Node #0,1,0: 84:[0, 2] Operation: 84-82=2 Exploring Operation: 82+0=82, Resulting Numbers: [84, 82] Generated Node #0,1,1: 84:[84, 82] Operation: 82+0=82 Exploring Operation: 84-0=84, Resulting Numbers: [82, 84] Generated Node #0,1,2: 84:[82, 84] Operation: 84-0=84 Exploring Operation: 82*0=0, Resulting Numbers: [84, 0] Generated Node #0,1,3: 84:[84, 0] Operation: 82*0=0 Exploring Operation: 84+0=84, Resulting Numbers: [82, 84] Generated Node #0,1,4: 84:[82, 84] Operation: 84+0=84 Moving to Node #0,2 Current State: 84:[52, 84, 30], Operations: ['82-52=30'] Exploring Operation: 84-52=32, Resulting Numbers: [30, 32] Generated Node #0,2,0: 84:[30, 32] Operation: 84-52=32 Exploring Operation: 84-30=54, Resulting Numbers: [52, 54] Generated Node #0,2,1: 84:[52, 54] Operation: 84-30=54 Exploring Operation: 52+30=82, Resulting Numbers: [84, 82] Generated Node #0,2,2: 84:[84, 82] Operation: 52+30=82 Exploring Operation: 84+30=114, Resulting Numbers: [52, 114] Generated Node #0,2,3: 84:[52, 114] Operation: 84+30=114 Exploring Operation: 52-30=22, Resulting Numbers: [84, 22] Generated Node #0,2,4: 84:[84, 22] Operation: 52-30=22 Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 84:[84, 22], Operations: ['82-52=30', '52-30=22'] Exploring Operation: 84+22=106, Resulting Numbers: [106] 106,84 unequal: No Solution Exploring Operation: 84*22=1848, Resulting Numbers: [1848] 1848,84 unequal: No Solution Exploring Operation: 84-22=62, Resulting Numbers: [62] 62,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 84:[84, 82], Operations: ['82-52=30', '52+30=82'] Exploring Operation: 84-82=2, Resulting Numbers: [2] 2,84 unequal: No Solution Exploring Operation: 84+82=166, Resulting Numbers: [166] 166,84 unequal: No Solution Exploring Operation: 84*82=6888, Resulting Numbers: [6888] 6888,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 84:[30, 32], Operations: ['82-52=30', '84-52=32'] Exploring Operation: 32-30=2, Resulting Numbers: [2] 2,84 unequal: No Solution Exploring Operation: 30*32=960, Resulting Numbers: [960] 960,84 unequal: No Solution Exploring Operation: 30+32=62, Resulting Numbers: [62] 62,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 84:[52, 54], Operations: ['82-52=30', '84-30=54'] Exploring Operation: 52+54=106, Resulting Numbers: [106] 106,84 unequal: No Solution Exploring Operation: 54-52=2, Resulting Numbers: [2] 2,84 unequal: No Solution Exploring Operation: 52*54=2808, Resulting Numbers: [2808] 2808,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 84:[52, 114], Operations: ['82-52=30', '84+30=114'] Exploring Operation: 114-52=62, Resulting Numbers: [62] 62,84 unequal: No Solution Exploring Operation: 52+114=166, Resulting Numbers: [166] 166,84 unequal: No Solution Exploring Operation: 52*114=5928, Resulting Numbers: [5928] 5928,84 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: 84:[52, 84, 30], Operations: ['82-52=30'] Exploring Operation: 84-52=32, Resulting Numbers: [30, 32] Generated Node #0,4,0: 84:[30, 32] Operation: 84-52=32 Exploring Operation: 84-30=54, Resulting Numbers: [52, 54] Generated Node #0,4,1: 84:[52, 54] Operation: 84-30=54 Exploring Operation: 52+30=82, Resulting Numbers: [84, 82] Generated Node #0,4,2: 84:[84, 82] Operation: 52+30=82 Exploring Operation: 52-30=22, Resulting Numbers: [84, 22] Generated Node #0,4,3: 84:[84, 22] Operation: 52-30=22 Exploring Operation: 84+30=114, Resulting Numbers: [52, 114] Generated Node #0,4,4: 84:[52, 114] Operation: 84+30=114 Moving to Node #0,3 Current State: 84:[52, 82, 32], Operations: ['84-52=32'] Exploring Operation: 82-52=30, Resulting Numbers: [32, 30] Generated Node #0,3,0: 84:[32, 30] Operation: 82-52=30 Exploring Operation: 82+32=114, Resulting Numbers: [52, 114] Generated Node #0,3,1: 84:[52, 114] Operation: 82+32=114 Exploring Operation: 52+32=84, Resulting Numbers: [82, 84] Generated Node #0,3,2: 84:[82, 84] Operation: 52+32=84 Exploring Operation: 52-32=20, Resulting Numbers: [82, 20] Generated Node #0,3,3: 84:[82, 20] Operation: 52-32=20 Exploring Operation: 82-32=50, Resulting Numbers: [52, 50] Generated Node #0,3,4: 84:[52, 50] Operation: 82-32=50 Moving to Node #0,0,0 Current State: 84:[84, 83], Operations: ['52/52=1', '82+1=83'] Exploring Operation: 84*83=6972, Resulting Numbers: [6972] 6972,84 unequal: No Solution Exploring Operation: 84+83=167, Resulting Numbers: [167] 167,84 unequal: No Solution Exploring Operation: 84-83=1, Resulting Numbers: [1] 1,84 unequal: No Solution Moving to Node #0,0,2 Current State: 84:[1, 2], Operations: ['52/52=1', '84-82=2'] Exploring Operation: 1*2=2, Resulting Numbers: [2] 2,84 unequal: No Solution Exploring Operation: 2/1=2, Resulting Numbers: [2] 2,84 unequal: No Solution Exploring Operation: 1+2=3, Resulting Numbers: [3] 3,84 unequal: No Solution Exploring Operation: 2-1=1, Resulting Numbers: [1] 1,84 unequal: No Solution Moving to Node #0,4,3 Current State: 84:[84, 22], Operations: ['82-52=30', '52-30=22'] Exploring Operation: 84+22=106, Resulting Numbers: [106] 106,84 unequal: No Solution Exploring Operation: 84-22=62, Resulting Numbers: [62] 62,84 unequal: No Solution Exploring Operation: 84*22=1848, Resulting Numbers: [1848] 1848,84 unequal: No Solution Moving to Node #0,0,1 Current State: 84:[84, 82], Operations: ['52/52=1', '82*1=82'] Exploring Operation: 84*82=6888, Resulting Numbers: [6888] 6888,84 unequal: No Solution Exploring Operation: 84+82=166, Resulting Numbers: [166] 166,84 unequal: No Solution Exploring Operation: 84-82=2, Resulting Numbers: [2] 2,84 unequal: No Solution Moving to Node #0,1,1 Current State: 84:[84, 82], Operations: ['52-52=0', '82+0=82'] Exploring Operation: 84-82=2, Resulting Numbers: [2] 2,84 unequal: No Solution Exploring Operation: 84+82=166, Resulting Numbers: [166] 166,84 unequal: No Solution Exploring Operation: 84*82=6888, Resulting Numbers: [6888] 6888,84 unequal: No Solution Moving to Node #0,1,0 Current State: 84:[0, 2], Operations: ['52-52=0', '84-82=2'] Exploring Operation: 2-0=2, Resulting Numbers: [2] 2,84 unequal: No Solution Exploring Operation: 0+2=2, Resulting Numbers: [2] 2,84 unequal: No Solution Exploring Operation: 0*2=0, Resulting Numbers: [0] 0,84 unequal: No Solution Moving to Node #0,4,2 Current State: 84:[84, 82], Operations: ['82-52=30', '52+30=82'] Exploring Operation: 84+82=166, Resulting Numbers: [166] 166,84 unequal: No Solution Exploring Operation: 84-82=2, Resulting Numbers: [2] 2,84 unequal: No Solution Exploring Operation: 84*82=6888, Resulting Numbers: [6888] 6888,84 unequal: No Solution Moving to Node #0,3,2 Current State: 84:[82, 84], Operations: ['84-52=32', '52+32=84'] Exploring Operation: 84-82=2, Resulting Numbers: [2] 2,84 unequal: No Solution Exploring Operation: 82*84=6888, Resulting Numbers: [6888] 6888,84 unequal: No Solution Exploring Operation: 82+84=166, Resulting Numbers: [166] 166,84 unequal: No Solution Moving to Node #0,0,4 Current State: 84:[82, 84], Operations: ['52/52=1', '84*1=84'] Exploring Operation: 82+84=166, Resulting Numbers: [166] 166,84 unequal: No Solution Exploring Operation: 84-82=2, Resulting Numbers: [2] 2,84 unequal: No Solution Exploring Operation: 82*84=6888, Resulting Numbers: [6888] 6888,84 unequal: No Solution Moving to Node #0,1,4 Current State: 84:[82, 84], Operations: ['52-52=0', '84+0=84'] Exploring Operation: 84-82=2, Resulting Numbers: [2] 2,84 unequal: No Solution Exploring Operation: 82+84=166, Resulting Numbers: [166] 166,84 unequal: No Solution Exploring Operation: 82*84=6888, Resulting Numbers: [6888] 6888,84 unequal: No Solution Moving to Node #0,0,3 Current State: 84:[82, 84], Operations: ['52/52=1', '84/1=84'] Exploring Operation: 82+84=166, Resulting Numbers: [166] 166,84 unequal: No Solution Exploring Operation: 82*84=6888, Resulting Numbers: [6888] 6888,84 unequal: No Solution Exploring Operation: 84-82=2, Resulting Numbers: [2] 2,84 unequal: No Solution Moving to Node #0,1,3 Current State: 84:[84, 0], Operations: ['52-52=0', '82*0=0'] Exploring Operation: 84-0=84, Resulting Numbers: [84] 84,84 equal: Goal Reached Moving to Node #0 Current State: 84:[52, 52, 84, 82], Operations: [] Exploring Operation: 52-52=0, Resulting Numbers: [84, 82, 0] Generated Node #0,1: 84:[84, 82, 0] Operation: 52-52=0 Moving to Node #0,1 Current State: 84:[84, 82, 0], Operations: ['52-52=0'] Exploring Operation: 82*0=0, Resulting Numbers: [84, 0] Generated Node #0,1,3: 84:[84, 0] Operation: 82*0=0 Moving to Node #0,1,3 Current State: 84:[84, 0], Operations: ['52-52=0', '82*0=0'] Exploring Operation: 84-0=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
0.927083
hs_5
mult_heuristic
[ 80, 26, 52, 90 ]
36
[ "80+26=106", "52+90=142", "142-106=36" ]
Current State: 36:[80, 26, 52, 90], Operations: [] Exploring Operation: 80+26=106, Resulting Numbers: [52, 90, 106] Generated Node #2: [52, 90, 106] from Operation: 80+26=106 Current State: 36:[52, 90, 106], Operations: ['80+26=106'] Exploring Operation: 52+90=142, Resulting Numbers: [106, 142] Generated Node #3: [106, 142] from Operation: 52+90=142 Current State: 36:[106, 142], Operations: ['80+26=106', '52+90=142'] Exploring Operation: 142-106=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
4
Current State: 36:[80, 26, 52, 90], Operations: [] Exploring Operation: 90-80=10, Resulting Numbers: [26, 52, 10] Generated Node #0,0: 36:[26, 52, 10] Operation: 90-80=10 Exploring Operation: 90-52=38, Resulting Numbers: [80, 26, 38] Generated Node #0,1: 36:[80, 26, 38] Operation: 90-52=38 Moving to Node #0,0 Current State: 36:[26, 52, 10], Operations: ['90-80=10'] Exploring Operation: 52/26=2, Resulting Numbers: [10, 2] Generated Node #0,0,0: 36:[10, 2] Operation: 52/26=2 Exploring Operation: 52-26=26, Resulting Numbers: [10, 26] Generated Node #0,0,1: 36:[10, 26] Operation: 52-26=26 Moving to Node #0,1 Current State: 36:[80, 26, 38], Operations: ['90-52=38'] Exploring Operation: 80-26=54, Resulting Numbers: [38, 54] Generated Node #0,1,0: 36:[38, 54] Operation: 80-26=54 Exploring Operation: 80-38=42, Resulting Numbers: [26, 42] Generated Node #0,1,1: 36:[26, 42] Operation: 80-38=42 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 36:[26, 42], Operations: ['90-52=38', '80-38=42'] Exploring Operation: 26+42=68, Resulting Numbers: [68] 68,36 unequal: No Solution Exploring Operation: 42-26=16, Resulting Numbers: [16] 16,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 36:[38, 54], Operations: ['90-52=38', '80-26=54'] Exploring Operation: 38+54=92, Resulting Numbers: [92] 92,36 unequal: No Solution Exploring Operation: 54-38=16, Resulting Numbers: [16] 16,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,0 Current State: 36:[10, 2], Operations: ['90-80=10', '52/26=2'] Exploring Operation: 10+2=12, Resulting Numbers: [12] 12,36 unequal: No Solution Exploring Operation: 10-2=8, Resulting Numbers: [8] 8,36 unequal: No Solution Moving to Node #0,0,1 Current State: 36:[10, 26], Operations: ['90-80=10', '52-26=26'] Exploring Operation: 26-10=16, Resulting Numbers: [16] 16,36 unequal: No Solution Exploring Operation: 10+26=36, Resulting Numbers: [36] 36,36 equal: Goal Reached Moving to Node #0 Current State: 36:[80, 26, 52, 90], Operations: [] Exploring Operation: 90-80=10, Resulting Numbers: [26, 52, 10] Generated Node #0,0: 36:[26, 52, 10] Operation: 90-80=10 Moving to Node #0,0 Current State: 36:[26, 52, 10], Operations: ['90-80=10'] Exploring Operation: 52-26=26, Resulting Numbers: [10, 26] Generated Node #0,0,1: 36:[10, 26] Operation: 52-26=26 Moving to Node #0,0,1 Current State: 36:[10, 26], Operations: ['90-80=10', '52-26=26'] Exploring Operation: 10+26=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
0.984375
hs_2
mult_heuristic
[ 14, 8, 7, 45 ]
46
[ "14-8=6", "7+45=52", "52-6=46" ]
Current State: 46:[14, 8, 7, 45], Operations: [] Exploring Operation: 14-8=6, Resulting Numbers: [7, 45, 6] Generated Node #2: [7, 45, 6] from Operation: 14-8=6 Current State: 46:[7, 45, 6], Operations: ['14-8=6'] Exploring Operation: 7+45=52, Resulting Numbers: [6, 52] Generated Node #3: [6, 52] from Operation: 7+45=52 Current State: 46:[6, 52], Operations: ['14-8=6', '7+45=52'] Exploring Operation: 52-6=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
4
Current State: 46:[14, 8, 7, 45], Operations: [] Exploring Operation: 14+8=22, Resulting Numbers: [7, 45, 22] Generated Node #0,0: 46:[7, 45, 22] Operation: 14+8=22 Start Sub Search at level 1: Moving to Node #0,0 Current State: 46:[7, 45, 22], Operations: ['14+8=22'] Exploring Operation: 45-22=23, Resulting Numbers: [7, 23] Generated Node #0,0,0: 46:[7, 23] Operation: 45-22=23 Moving to Node #0,0,0 Current State: 46:[7, 23], Operations: ['14+8=22', '45-22=23'] Exploring Operation: 7+23=30, Resulting Numbers: [30] 30,46 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 94, 95, 59, 19 ]
79
[ "95-94=1", "59+19=78", "1+78=79" ]
Current State: 79:[94, 95, 59, 19], Operations: [] Exploring Operation: 95-94=1, Resulting Numbers: [59, 19, 1] Generated Node #2: [59, 19, 1] from Operation: 95-94=1 Current State: 79:[59, 19, 1], Operations: ['95-94=1'] Exploring Operation: 59+19=78, Resulting Numbers: [1, 78] Generated Node #3: [1, 78] from Operation: 59+19=78 Current State: 79:[1, 78], Operations: ['95-94=1', '59+19=78'] Exploring Operation: 1+78=79, Resulting Numbers: [79] 79,79 equal: Goal Reached
4
Current State: 79:[94, 95, 59, 19], Operations: [] Exploring Operation: 59+19=78, Resulting Numbers: [94, 95, 78] Generated Node #0,0: 79:[94, 95, 78] Operation: 59+19=78 Moving to Node #0,0 Current State: 79:[94, 95, 78], Operations: ['59+19=78'] Exploring Operation: 95-78=17, Resulting Numbers: [94, 17] Generated Node #0,0,0: 79:[94, 17] Operation: 95-78=17 Moving to Node #0,0,0 Current State: 79:[94, 17], Operations: ['59+19=78', '95-78=17'] Exploring Operation: 94-17=77, Resulting Numbers: [77] 77,79 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 52, 8, 10, 16 ]
84
[ "52-10=42", "16/8=2", "42*2=84" ]
Current State: 84:[52, 8, 10, 16], Operations: [] Exploring Operation: 52-10=42, Resulting Numbers: [8, 16, 42] Generated Node #2: [8, 16, 42] from Operation: 52-10=42 Current State: 84:[8, 16, 42], Operations: ['52-10=42'] Exploring Operation: 16/8=2, Resulting Numbers: [42, 2] Generated Node #3: [42, 2] from Operation: 16/8=2 Current State: 84:[42, 2], Operations: ['52-10=42', '16/8=2'] Exploring Operation: 42*2=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
4
Current State: 84:[52, 8, 10, 16], Operations: [] Exploring Operation: 52-8=44, Resulting Numbers: [10, 16, 44] Generated Node #0,0: 84:[10, 16, 44] Operation: 52-8=44 Exploring Operation: 52-16=36, Resulting Numbers: [8, 10, 36] Generated Node #0,1: 84:[8, 10, 36] Operation: 52-16=36 Exploring Operation: 16-10=6, Resulting Numbers: [52, 8, 6] Generated Node #0,2: 84:[52, 8, 6] Operation: 16-10=6 Exploring Operation: 52-10=42, Resulting Numbers: [8, 16, 42] Generated Node #0,3: 84:[8, 16, 42] Operation: 52-10=42 Moving to Node #0,3 Current State: 84:[8, 16, 42], Operations: ['52-10=42'] Exploring Operation: 8+16=24, Resulting Numbers: [42, 24] Generated Node #0,3,0: 84:[42, 24] Operation: 8+16=24 Exploring Operation: 42-16=26, Resulting Numbers: [8, 26] Generated Node #0,3,1: 84:[8, 26] Operation: 42-16=26 Exploring Operation: 16-8=8, Resulting Numbers: [42, 8] Generated Node #0,3,2: 84:[42, 8] Operation: 16-8=8 Exploring Operation: 16/8=2, Resulting Numbers: [42, 2] Generated Node #0,3,3: 84:[42, 2] Operation: 16/8=2 Moving to Node #0,0 Current State: 84:[10, 16, 44], Operations: ['52-8=44'] Exploring Operation: 10+16=26, Resulting Numbers: [44, 26] Generated Node #0,0,0: 84:[44, 26] Operation: 10+16=26 Exploring Operation: 44-10=34, Resulting Numbers: [16, 34] Generated Node #0,0,1: 84:[16, 34] Operation: 44-10=34 Exploring Operation: 16-10=6, Resulting Numbers: [44, 6] Generated Node #0,0,2: 84:[44, 6] Operation: 16-10=6 Exploring Operation: 44-16=28, Resulting Numbers: [10, 28] Generated Node #0,0,3: 84:[10, 28] Operation: 44-16=28 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 84:[44, 6], Operations: ['52-8=44', '16-10=6'] Exploring Operation: 44*6=264, Resulting Numbers: [264] 264,84 unequal: No Solution Exploring Operation: 44-6=38, Resulting Numbers: [38] 38,84 unequal: No Solution Exploring Operation: 44+6=50, Resulting Numbers: [50] 50,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 84:[10, 28], Operations: ['52-8=44', '44-16=28'] Exploring Operation: 10*28=280, Resulting Numbers: [280] 280,84 unequal: No Solution Exploring Operation: 28-10=18, Resulting Numbers: [18] 18,84 unequal: No Solution Exploring Operation: 10+28=38, Resulting Numbers: [38] 38,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 84:[44, 26], Operations: ['52-8=44', '10+16=26'] Exploring Operation: 44+26=70, Resulting Numbers: [70] 70,84 unequal: No Solution Exploring Operation: 44*26=1144, Resulting Numbers: [1144] 1144,84 unequal: No Solution Exploring Operation: 44-26=18, Resulting Numbers: [18] 18,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 84:[16, 34], Operations: ['52-8=44', '44-10=34'] Exploring Operation: 16*34=544, Resulting Numbers: [544] 544,84 unequal: No Solution Exploring Operation: 34-16=18, Resulting Numbers: [18] 18,84 unequal: No Solution Exploring Operation: 16+34=50, Resulting Numbers: [50] 50,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 84:[8, 10, 36], Operations: ['52-16=36'] Exploring Operation: 8+36=44, Resulting Numbers: [10, 44] Generated Node #0,1,0: 84:[10, 44] Operation: 8+36=44 Exploring Operation: 36-10=26, Resulting Numbers: [8, 26] Generated Node #0,1,1: 84:[8, 26] Operation: 36-10=26 Exploring Operation: 10+36=46, Resulting Numbers: [8, 46] Generated Node #0,1,2: 84:[8, 46] Operation: 10+36=46 Exploring Operation: 36-8=28, Resulting Numbers: [10, 28] Generated Node #0,1,3: 84:[10, 28] Operation: 36-8=28 Moving to Node #0,2 Current State: 84:[52, 8, 6], Operations: ['16-10=6'] Exploring Operation: 52-6=46, Resulting Numbers: [8, 46] Generated Node #0,2,0: 84:[8, 46] Operation: 52-6=46 Exploring Operation: 52-8=44, Resulting Numbers: [6, 44] Generated Node #0,2,1: 84:[6, 44] Operation: 52-8=44 Exploring Operation: 8+6=14, Resulting Numbers: [52, 14] Generated Node #0,2,2: 84:[52, 14] Operation: 8+6=14 Exploring Operation: 8-6=2, Resulting Numbers: [52, 2] Generated Node #0,2,3: 84:[52, 2] Operation: 8-6=2 Moving to Node #0,3,3 Current State: 84:[42, 2], Operations: ['52-10=42', '16/8=2'] Exploring Operation: 42*2=84, Resulting Numbers: [84] 84,84 equal: Goal Reached Moving to Node #0 Current State: 84:[52, 8, 10, 16], Operations: [] Exploring Operation: 52-10=42, Resulting Numbers: [8, 16, 42] Generated Node #0,3: 84:[8, 16, 42] Operation: 52-10=42 Moving to Node #0,3 Current State: 84:[8, 16, 42], Operations: ['52-10=42'] Exploring Operation: 16/8=2, Resulting Numbers: [42, 2] Generated Node #0,3,3: 84:[42, 2] Operation: 16/8=2 Moving to Node #0,3,3 Current State: 84:[42, 2], Operations: ['52-10=42', '16/8=2'] Exploring Operation: 42*2=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
0.967882
hs_4
mult_heuristic
[ 58, 3, 27, 37 ]
56
[ "58-27=31", "3*31=93", "93-37=56" ]
Current State: 56:[58, 3, 27, 37], Operations: [] Exploring Operation: 58-27=31, Resulting Numbers: [3, 37, 31] Generated Node #2: [3, 37, 31] from Operation: 58-27=31 Current State: 56:[3, 37, 31], Operations: ['58-27=31'] Exploring Operation: 3*31=93, Resulting Numbers: [37, 93] Generated Node #3: [37, 93] from Operation: 3*31=93 Current State: 56:[37, 93], Operations: ['58-27=31', '3*31=93'] Exploring Operation: 93-37=56, Resulting Numbers: [56] 56,56 equal: Goal Reached
4
Current State: 56:[58, 3, 27, 37], Operations: [] Exploring Operation: 37-3=34, Resulting Numbers: [58, 27, 34] Generated Node #0,0: 56:[58, 27, 34] Operation: 37-3=34 Exploring Operation: 37-27=10, Resulting Numbers: [58, 3, 10] Generated Node #0,1: 56:[58, 3, 10] Operation: 37-27=10 Exploring Operation: 58-37=21, Resulting Numbers: [3, 27, 21] Generated Node #0,2: 56:[3, 27, 21] Operation: 58-37=21 Start Sub Search at level 1: Moving to Node #0,1 Current State: 56:[58, 3, 10], Operations: ['37-27=10'] Exploring Operation: 10-3=7, Resulting Numbers: [58, 7] Generated Node #0,1,0: 56:[58, 7] Operation: 10-3=7 Exploring Operation: 58-3=55, Resulting Numbers: [10, 55] Generated Node #0,1,1: 56:[10, 55] Operation: 58-3=55 Exploring Operation: 3+10=13, Resulting Numbers: [58, 13] Generated Node #0,1,2: 56:[58, 13] Operation: 3+10=13 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 56:[58, 7], Operations: ['37-27=10', '10-3=7'] Exploring Operation: 58-7=51, Resulting Numbers: [51] 51,56 unequal: No Solution Exploring Operation: 58+7=65, Resulting Numbers: [65] 65,56 unequal: No Solution Exploring Operation: 58*7=406, Resulting Numbers: [406] 406,56 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:[10, 55], Operations: ['37-27=10', '58-3=55'] Exploring Operation: 55-10=45, Resulting Numbers: [45] 45,56 unequal: No Solution Exploring Operation: 10*55=550, Resulting Numbers: [550] 550,56 unequal: No Solution Exploring Operation: 10+55=65, Resulting Numbers: [65] 65,56 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:[58, 13], Operations: ['37-27=10', '3+10=13'] Exploring Operation: 58+13=71, Resulting Numbers: [71] 71,56 unequal: No Solution Exploring Operation: 58*13=754, Resulting Numbers: [754] 754,56 unequal: No Solution Exploring Operation: 58-13=45, Resulting Numbers: [45] 45,56 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 #0,0 Current State: 56:[58, 27, 34], Operations: ['37-3=34'] Exploring Operation: 27+34=61, Resulting Numbers: [58, 61] Generated Node #0,0,0: 56:[58, 61] Operation: 27+34=61 Exploring Operation: 58-34=24, Resulting Numbers: [27, 24] Generated Node #0,0,1: 56:[27, 24] Operation: 58-34=24 Exploring Operation: 34-27=7, Resulting Numbers: [58, 7] Generated Node #0,0,2: 56:[58, 7] Operation: 34-27=7 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 56:[58, 7], Operations: ['37-3=34', '34-27=7'] Exploring Operation: 58*7=406, Resulting Numbers: [406] 406,56 unequal: No Solution Exploring Operation: 58+7=65, Resulting Numbers: [65] 65,56 unequal: No Solution Exploring Operation: 58-7=51, Resulting Numbers: [51] 51,56 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 #0,0,1 Current State: 56:[27, 24], Operations: ['37-3=34', '58-34=24'] Exploring Operation: 27-24=3, Resulting Numbers: [3] 3,56 unequal: No Solution Exploring Operation: 27*24=648, Resulting Numbers: [648] 648,56 unequal: No Solution Exploring Operation: 27+24=51, Resulting Numbers: [51] 51,56 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 #0,0,0 Current State: 56:[58, 61], Operations: ['37-3=34', '27+34=61'] Exploring Operation: 58*61=3538, Resulting Numbers: [3538] 3538,56 unequal: No Solution Exploring Operation: 61-58=3, Resulting Numbers: [3] 3,56 unequal: No Solution Exploring Operation: 58+61=119, Resulting Numbers: [119] 119,56 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:[3, 27, 21], Operations: ['58-37=21'] Exploring Operation: 3+21=24, Resulting Numbers: [27, 24] Generated Node #0,2,0: 56:[27, 24] Operation: 3+21=24 Exploring Operation: 21/3=7, Resulting Numbers: [27, 7] Generated Node #0,2,1: 56:[27, 7] Operation: 21/3=7 Exploring Operation: 27-21=6, Resulting Numbers: [3, 6] Generated Node #0,2,2: 56:[3, 6] Operation: 27-21=6 Moving to Node #0,2,1 Current State: 56:[27, 7], Operations: ['58-37=21', '21/3=7'] Exploring Operation: 27-7=20, Resulting Numbers: [20] 20,56 unequal: No Solution Exploring Operation: 27+7=34, Resulting Numbers: [34] 34,56 unequal: No Solution Exploring Operation: 27*7=189, Resulting Numbers: [189] 189,56 unequal: No Solution Moving to Node #0,2,2 Current State: 56:[3, 6], Operations: ['58-37=21', '27-21=6'] Exploring Operation: 3+6=9, Resulting Numbers: [9] 9,56 unequal: No Solution Exploring Operation: 6/3=2, Resulting Numbers: [2] 2,56 unequal: No Solution Exploring Operation: 6-3=3, Resulting Numbers: [3] 3,56 unequal: No Solution Moving to Node #0,2,0 Current State: 56:[27, 24], Operations: ['58-37=21', '3+21=24'] Exploring Operation: 27*24=648, Resulting Numbers: [648] 648,56 unequal: No Solution Exploring Operation: 27+24=51, Resulting Numbers: [51] 51,56 unequal: No Solution Exploring Operation: 27-24=3, Resulting Numbers: [3] 3,56 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
[ 26, 62, 6, 10 ]
72
[ "26+62=88", "6+10=16", "88-16=72" ]
Current State: 72:[26, 62, 6, 10], Operations: [] Exploring Operation: 26+62=88, Resulting Numbers: [6, 10, 88] Generated Node #2: [6, 10, 88] from Operation: 26+62=88 Current State: 72:[6, 10, 88], Operations: ['26+62=88'] Exploring Operation: 6+10=16, Resulting Numbers: [88, 16] Generated Node #3: [88, 16] from Operation: 6+10=16 Current State: 72:[88, 16], Operations: ['26+62=88', '6+10=16'] Exploring Operation: 88-16=72, Resulting Numbers: [72] 72,72 equal: Goal Reached
4
Current State: 72:[26, 62, 6, 10], Operations: [] Exploring Operation: 62+10=72, Resulting Numbers: [26, 6, 72] Generated Node #0,0: 72:[26, 6, 72] Operation: 62+10=72 Exploring Operation: 62-26=36, Resulting Numbers: [6, 10, 36] Generated Node #0,1: 72:[6, 10, 36] Operation: 62-26=36 Exploring Operation: 62+6=68, Resulting Numbers: [26, 10, 68] Generated Node #0,2: 72:[26, 10, 68] Operation: 62+6=68 Start Sub Search at level 1: Moving to Node #0,1 Current State: 72:[6, 10, 36], Operations: ['62-26=36'] Exploring Operation: 6+10=16, Resulting Numbers: [36, 16] Generated Node #0,1,0: 72:[36, 16] Operation: 6+10=16 Exploring Operation: 36/6=6, Resulting Numbers: [10, 6] Generated Node #0,1,1: 72:[10, 6] Operation: 36/6=6 Exploring Operation: 10-6=4, Resulting Numbers: [36, 4] Generated Node #0,1,2: 72:[36, 4] Operation: 10-6=4 Moving to Node #0,1,2 Current State: 72:[36, 4], Operations: ['62-26=36', '10-6=4'] Exploring Operation: 36+4=40, Resulting Numbers: [40] 40,72 unequal: No Solution Exploring Operation: 36/4=9, Resulting Numbers: [9] 9,72 unequal: No Solution Exploring Operation: 36-4=32, Resulting Numbers: [32] 32,72 unequal: No Solution Moving to Node #0,1,1 Current State: 72:[10, 6], Operations: ['62-26=36', '36/6=6'] Exploring Operation: 10-6=4, Resulting Numbers: [4] 4,72 unequal: No Solution Exploring Operation: 10*6=60, Resulting Numbers: [60] 60,72 unequal: No Solution Exploring Operation: 10+6=16, Resulting Numbers: [16] 16,72 unequal: No Solution Moving to Node #0,1,0 Current State: 72:[36, 16], Operations: ['62-26=36', '6+10=16'] Exploring Operation: 36-16=20, Resulting Numbers: [20] 20,72 unequal: No Solution Exploring Operation: 36+16=52, Resulting Numbers: [52] 52,72 unequal: No Solution Exploring Operation: 36*16=576, Resulting Numbers: [576] 576,72 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 72:[26, 6, 72], Operations: ['62+10=72'] Exploring Operation: 26+6=32, Resulting Numbers: [72, 32] Generated Node #0,0,0: 72:[72, 32] Operation: 26+6=32 Exploring Operation: 26-6=20, Resulting Numbers: [72, 20] Generated Node #0,0,1: 72:[72, 20] Operation: 26-6=20 Exploring Operation: 72/6=12, Resulting Numbers: [26, 12] Generated Node #0,0,2: 72:[26, 12] Operation: 72/6=12 Moving to Node #0,0,1 Current State: 72:[72, 20], Operations: ['62+10=72', '26-6=20'] Exploring Operation: 72-20=52, Resulting Numbers: [52] 52,72 unequal: No Solution Exploring Operation: 72*20=1440, Resulting Numbers: [1440] 1440,72 unequal: No Solution Exploring Operation: 72+20=92, Resulting Numbers: [92] 92,72 unequal: No Solution Moving to Node #0,0,2 Current State: 72:[26, 12], Operations: ['62+10=72', '72/6=12'] Exploring Operation: 26+12=38, Resulting Numbers: [38] 38,72 unequal: No Solution Exploring Operation: 26*12=312, Resulting Numbers: [312] 312,72 unequal: No Solution Exploring Operation: 26-12=14, Resulting Numbers: [14] 14,72 unequal: No Solution Moving to Node #0,0,0 Current State: 72:[72, 32], Operations: ['62+10=72', '26+6=32'] Exploring Operation: 72-32=40, Resulting Numbers: [40] 40,72 unequal: No Solution Exploring Operation: 72*32=2304, Resulting Numbers: [2304] 2304,72 unequal: No Solution Exploring Operation: 72+32=104, Resulting Numbers: [104] 104,72 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 72:[26, 10, 68], Operations: ['62+6=68'] Exploring Operation: 26-10=16, Resulting Numbers: [68, 16] Generated Node #0,2,0: 72:[68, 16] Operation: 26-10=16 Exploring Operation: 68-26=42, Resulting Numbers: [10, 42] Generated Node #0,2,1: 72:[10, 42] Operation: 68-26=42 Exploring Operation: 26+10=36, Resulting Numbers: [68, 36] Generated Node #0,2,2: 72:[68, 36] Operation: 26+10=36 Moving to Node #0,2,2 Current State: 72:[68, 36], Operations: ['62+6=68', '26+10=36'] Exploring Operation: 68*36=2448, Resulting Numbers: [2448] 2448,72 unequal: No Solution Exploring Operation: 68+36=104, Resulting Numbers: [104] 104,72 unequal: No Solution Exploring Operation: 68-36=32, Resulting Numbers: [32] 32,72 unequal: No Solution Moving to Node #0,2,0 Current State: 72:[68, 16], Operations: ['62+6=68', '26-10=16'] Exploring Operation: 68*16=1088, Resulting Numbers: [1088] 1088,72 unequal: No Solution Exploring Operation: 68+16=84, Resulting Numbers: [84] 84,72 unequal: No Solution Exploring Operation: 68-16=52, Resulting Numbers: [52] 52,72 unequal: No Solution Moving to Node #0,2,1 Current State: 72:[10, 42], Operations: ['62+6=68', '68-26=42'] Exploring Operation: 10+42=52, Resulting Numbers: [52] 52,72 unequal: No Solution Exploring Operation: 10*42=420, Resulting Numbers: [420] 420,72 unequal: No Solution Exploring Operation: 42-10=32, Resulting Numbers: [32] 32,72 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
[ 8, 12, 45, 15 ]
72
[ "45/15=3", "12-3=9", "8*9=72" ]
Current State: 72:[8, 12, 45, 15], Operations: [] Exploring Operation: 45/15=3, Resulting Numbers: [8, 12, 3] Generated Node #2: [8, 12, 3] from Operation: 45/15=3 Current State: 72:[8, 12, 3], Operations: ['45/15=3'] Exploring Operation: 12-3=9, Resulting Numbers: [8, 9] Generated Node #3: [8, 9] from Operation: 12-3=9 Current State: 72:[8, 9], Operations: ['45/15=3', '12-3=9'] Exploring Operation: 8*9=72, Resulting Numbers: [72] 72,72 equal: Goal Reached
4
Current State: 72:[8, 12, 45, 15], Operations: [] Exploring Operation: 45-12=33, Resulting Numbers: [8, 15, 33] Generated Node #0,0: 72:[8, 15, 33] Operation: 45-12=33 Exploring Operation: 45/15=3, Resulting Numbers: [8, 12, 3] Generated Node #0,1: 72:[8, 12, 3] Operation: 45/15=3 Exploring Operation: 45-8=37, Resulting Numbers: [12, 15, 37] Generated Node #0,2: 72:[12, 15, 37] Operation: 45-8=37 Start Sub Search at level 1: Moving to Node #0,1 Current State: 72:[8, 12, 3], Operations: ['45/15=3'] Exploring Operation: 8*3=24, Resulting Numbers: [12, 24] Generated Node #0,1,0: 72:[12, 24] Operation: 8*3=24 Exploring Operation: 12*3=36, Resulting Numbers: [8, 36] Generated Node #0,1,1: 72:[8, 36] Operation: 12*3=36 Exploring Operation: 12-8=4, Resulting Numbers: [3, 4] Generated Node #0,1,2: 72:[3, 4] Operation: 12-8=4 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 72:[12, 24], Operations: ['45/15=3', '8*3=24'] Exploring Operation: 24/12=2, Resulting Numbers: [2] 2,72 unequal: No Solution Exploring Operation: 12+24=36, Resulting Numbers: [36] 36,72 unequal: No Solution Exploring Operation: 24-12=12, Resulting Numbers: [12] 12,72 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 72:[8, 36], Operations: ['45/15=3', '12*3=36'] Exploring Operation: 8*36=288, Resulting Numbers: [288] 288,72 unequal: No Solution Exploring Operation: 36-8=28, Resulting Numbers: [28] 28,72 unequal: No Solution Exploring Operation: 8+36=44, Resulting Numbers: [44] 44,72 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 72:[3, 4], Operations: ['45/15=3', '12-8=4'] Exploring Operation: 3*4=12, Resulting Numbers: [12] 12,72 unequal: No Solution Exploring Operation: 4-3=1, Resulting Numbers: [1] 1,72 unequal: No Solution Exploring Operation: 3+4=7, Resulting Numbers: [7] 7,72 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 72:[12, 15, 37], Operations: ['45-8=37'] Exploring Operation: 12+15=27, Resulting Numbers: [37, 27] Generated Node #0,2,0: 72:[37, 27] Operation: 12+15=27 Exploring Operation: 37-15=22, Resulting Numbers: [12, 22] Generated Node #0,2,1: 72:[12, 22] Operation: 37-15=22 Exploring Operation: 15-12=3, Resulting Numbers: [37, 3] Generated Node #0,2,2: 72:[37, 3] Operation: 15-12=3 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 72:[37, 3], Operations: ['45-8=37', '15-12=3'] Exploring Operation: 37*3=111, Resulting Numbers: [111] 111,72 unequal: No Solution Exploring Operation: 37-3=34, Resulting Numbers: [34] 34,72 unequal: No Solution Exploring Operation: 37+3=40, Resulting Numbers: [40] 40,72 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 72:[12, 22], Operations: ['45-8=37', '37-15=22'] Exploring Operation: 12+22=34, Resulting Numbers: [34] 34,72 unequal: No Solution Exploring Operation: 12*22=264, Resulting Numbers: [264] 264,72 unequal: No Solution Exploring Operation: 22-12=10, Resulting Numbers: [10] 10,72 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 72:[37, 27], Operations: ['45-8=37', '12+15=27'] Exploring Operation: 37*27=999, Resulting Numbers: [999] 999,72 unequal: No Solution Exploring Operation: 37+27=64, Resulting Numbers: [64] 64,72 unequal: No Solution Exploring Operation: 37-27=10, Resulting Numbers: [10] 10,72 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 72:[8, 15, 33], Operations: ['45-12=33'] Exploring Operation: 8+15=23, Resulting Numbers: [33, 23] Generated Node #0,0,0: 72:[33, 23] Operation: 8+15=23 Exploring Operation: 15-8=7, Resulting Numbers: [33, 7] Generated Node #0,0,1: 72:[33, 7] Operation: 15-8=7 Exploring Operation: 33-15=18, Resulting Numbers: [8, 18] Generated Node #0,0,2: 72:[8, 18] Operation: 33-15=18 Moving to Node #0,0,2 Current State: 72:[8, 18], Operations: ['45-12=33', '33-15=18'] Exploring Operation: 8+18=26, Resulting Numbers: [26] 26,72 unequal: No Solution Exploring Operation: 18-8=10, Resulting Numbers: [10] 10,72 unequal: No Solution Exploring Operation: 8*18=144, Resulting Numbers: [144] 144,72 unequal: No Solution Moving to Node #0,0,0 Current State: 72:[33, 23], Operations: ['45-12=33', '8+15=23'] Exploring Operation: 33-23=10, Resulting Numbers: [10] 10,72 unequal: No Solution Exploring Operation: 33+23=56, Resulting Numbers: [56] 56,72 unequal: No Solution Exploring Operation: 33*23=759, Resulting Numbers: [759] 759,72 unequal: No Solution Moving to Node #0,0,1 Current State: 72:[33, 7], Operations: ['45-12=33', '15-8=7'] Exploring Operation: 33+7=40, Resulting Numbers: [40] 40,72 unequal: No Solution Exploring Operation: 33-7=26, Resulting Numbers: [26] 26,72 unequal: No Solution Exploring Operation: 33*7=231, Resulting Numbers: [231] 231,72 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
mult_heuristic
[ 4, 21, 2, 10 ]
37
[ "4+21=25", "2+10=12", "25+12=37" ]
Current State: 37:[4, 21, 2, 10], Operations: [] Exploring Operation: 4+21=25, Resulting Numbers: [2, 10, 25] Generated Node #2: [2, 10, 25] from Operation: 4+21=25 Current State: 37:[2, 10, 25], Operations: ['4+21=25'] Exploring Operation: 2+10=12, Resulting Numbers: [25, 12] Generated Node #3: [25, 12] from Operation: 2+10=12 Current State: 37:[25, 12], Operations: ['4+21=25', '2+10=12'] Exploring Operation: 25+12=37, Resulting Numbers: [37] 37,37 equal: Goal Reached
4
Current State: 37:[4, 21, 2, 10], Operations: [] Exploring Operation: 4*10=40, Resulting Numbers: [21, 2, 40] Generated Node #0,0: 37:[21, 2, 40] Operation: 4*10=40 Exploring Operation: 2*10=20, Resulting Numbers: [4, 21, 20] Generated Node #0,1: 37:[4, 21, 20] Operation: 2*10=20 Exploring Operation: 21*2=42, Resulting Numbers: [4, 10, 42] Generated Node #0,2: 37:[4, 10, 42] Operation: 21*2=42 Start Sub Search at level 1: Moving to Node #0,0 Current State: 37:[21, 2, 40], Operations: ['4*10=40'] Exploring Operation: 21+2=23, Resulting Numbers: [40, 23] Generated Node #0,0,0: 37:[40, 23] Operation: 21+2=23 Exploring Operation: 40-2=38, Resulting Numbers: [21, 38] Generated Node #0,0,1: 37:[21, 38] Operation: 40-2=38 Exploring Operation: 21*2=42, Resulting Numbers: [40, 42] Generated Node #0,0,2: 37:[40, 42] Operation: 21*2=42 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 37:[40, 42], Operations: ['4*10=40', '21*2=42'] Exploring Operation: 40*42=1680, Resulting Numbers: [1680] 1680,37 unequal: No Solution Exploring Operation: 40+42=82, Resulting Numbers: [82] 82,37 unequal: No Solution Exploring Operation: 42-40=2, Resulting Numbers: [2] 2,37 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 37:[40, 23], Operations: ['4*10=40', '21+2=23'] Exploring Operation: 40+23=63, Resulting Numbers: [63] 63,37 unequal: No Solution Exploring Operation: 40-23=17, Resulting Numbers: [17] 17,37 unequal: No Solution Exploring Operation: 40*23=920, Resulting Numbers: [920] 920,37 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 37:[21, 38], Operations: ['4*10=40', '40-2=38'] Exploring Operation: 21*38=798, Resulting Numbers: [798] 798,37 unequal: No Solution Exploring Operation: 38-21=17, Resulting Numbers: [17] 17,37 unequal: No Solution Exploring Operation: 21+38=59, Resulting Numbers: [59] 59,37 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 37:[4, 10, 42], Operations: ['21*2=42'] Exploring Operation: 4+10=14, Resulting Numbers: [42, 14] Generated Node #0,2,0: 37:[42, 14] Operation: 4+10=14 Exploring Operation: 42-4=38, Resulting Numbers: [10, 38] Generated Node #0,2,1: 37:[10, 38] Operation: 42-4=38 Exploring Operation: 4*10=40, Resulting Numbers: [42, 40] Generated Node #0,2,2: 37:[42, 40] Operation: 4*10=40 Moving to Node #0,2,2 Current State: 37:[42, 40], Operations: ['21*2=42', '4*10=40'] Exploring Operation: 42+40=82, Resulting Numbers: [82] 82,37 unequal: No Solution Exploring Operation: 42-40=2, Resulting Numbers: [2] 2,37 unequal: No Solution Exploring Operation: 42*40=1680, Resulting Numbers: [1680] 1680,37 unequal: No Solution Moving to Node #0,2,0 Current State: 37:[42, 14], Operations: ['21*2=42', '4+10=14'] Exploring Operation: 42+14=56, Resulting Numbers: [56] 56,37 unequal: No Solution Exploring Operation: 42/14=3, Resulting Numbers: [3] 3,37 unequal: No Solution Exploring Operation: 42-14=28, Resulting Numbers: [28] 28,37 unequal: No Solution Moving to Node #0,2,1 Current State: 37:[10, 38], Operations: ['21*2=42', '42-4=38'] Exploring Operation: 10*38=380, Resulting Numbers: [380] 380,37 unequal: No Solution Exploring Operation: 38-10=28, Resulting Numbers: [28] 28,37 unequal: No Solution Exploring Operation: 10+38=48, Resulting Numbers: [48] 48,37 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 37:[4, 21, 20], Operations: ['2*10=20'] Exploring Operation: 4+21=25, Resulting Numbers: [20, 25] Generated Node #0,1,0: 37:[20, 25] Operation: 4+21=25 Exploring Operation: 4+20=24, Resulting Numbers: [21, 24] Generated Node #0,1,1: 37:[21, 24] Operation: 4+20=24 Exploring Operation: 21-4=17, Resulting Numbers: [20, 17] Generated Node #0,1,2: 37:[20, 17] Operation: 21-4=17 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 37:[20, 25], Operations: ['2*10=20', '4+21=25'] Exploring Operation: 20*25=500, Resulting Numbers: [500] 500,37 unequal: No Solution Exploring Operation: 20+25=45, Resulting Numbers: [45] 45,37 unequal: No Solution Exploring Operation: 25-20=5, Resulting Numbers: [5] 5,37 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 37:[21, 24], Operations: ['2*10=20', '4+20=24'] Exploring Operation: 21*24=504, Resulting Numbers: [504] 504,37 unequal: No Solution Exploring Operation: 21+24=45, Resulting Numbers: [45] 45,37 unequal: No Solution Exploring Operation: 24-21=3, Resulting Numbers: [3] 3,37 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 37:[20, 17], Operations: ['2*10=20', '21-4=17'] Exploring Operation: 20+17=37, Resulting Numbers: [37] 37,37 equal: Goal Reached Moving to Node #0 Current State: 37:[4, 21, 2, 10], Operations: [] Exploring Operation: 2*10=20, Resulting Numbers: [4, 21, 20] Generated Node #0,1: 37:[4, 21, 20] Operation: 2*10=20 Moving to Node #0,1 Current State: 37:[4, 21, 20], Operations: ['2*10=20'] Exploring Operation: 21-4=17, Resulting Numbers: [20, 17] Generated Node #0,1,2: 37:[20, 17] Operation: 21-4=17 Moving to Node #0,1,2 Current State: 37:[20, 17], Operations: ['2*10=20', '21-4=17'] Exploring Operation: 20+17=37, Resulting Numbers: [37] 37,37 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.96441
hs_3
sum_heuristic
[ 89, 77, 54, 43 ]
85
[ "89-77=12", "54+43=97", "97-12=85" ]
Current State: 85:[89, 77, 54, 43], Operations: [] Exploring Operation: 89-77=12, Resulting Numbers: [54, 43, 12] Generated Node #2: [54, 43, 12] from Operation: 89-77=12 Current State: 85:[54, 43, 12], Operations: ['89-77=12'] Exploring Operation: 54+43=97, Resulting Numbers: [12, 97] Generated Node #3: [12, 97] from Operation: 54+43=97 Current State: 85:[12, 97], Operations: ['89-77=12', '54+43=97'] Exploring Operation: 97-12=85, Resulting Numbers: [85] 85,85 equal: Goal Reached
4
Current State: 85:[89, 77, 54, 43], Operations: [] Exploring Operation: 77-54=23, Resulting Numbers: [89, 43, 23] Generated Node #0,0: 85:[89, 43, 23] Operation: 77-54=23 Exploring Operation: 54+43=97, Resulting Numbers: [89, 77, 97] Generated Node #0,1: 85:[89, 77, 97] Operation: 54+43=97 Exploring Operation: 54-43=11, Resulting Numbers: [89, 77, 11] Generated Node #0,2: 85:[89, 77, 11] Operation: 54-43=11 Moving to Node #0,2 Current State: 85:[89, 77, 11], Operations: ['54-43=11'] Exploring Operation: 89-77=12, Resulting Numbers: [11, 12] Generated Node #0,2,0: 85:[11, 12] Operation: 89-77=12 Exploring Operation: 77/11=7, Resulting Numbers: [89, 7] Generated Node #0,2,1: 85:[89, 7] Operation: 77/11=7 Exploring Operation: 77+11=88, Resulting Numbers: [89, 88] Generated Node #0,2,2: 85:[89, 88] Operation: 77+11=88 Moving to Node #0,1 Current State: 85:[89, 77, 97], Operations: ['54+43=97'] Exploring Operation: 97-77=20, Resulting Numbers: [89, 20] Generated Node #0,1,0: 85:[89, 20] Operation: 97-77=20 Exploring Operation: 97-89=8, Resulting Numbers: [77, 8] Generated Node #0,1,1: 85:[77, 8] Operation: 97-89=8 Exploring Operation: 89-77=12, Resulting Numbers: [97, 12] Generated Node #0,1,2: 85:[97, 12] Operation: 89-77=12 Moving to Node #0,0 Current State: 85:[89, 43, 23], Operations: ['77-54=23'] Exploring Operation: 43-23=20, Resulting Numbers: [89, 20] Generated Node #0,0,0: 85:[89, 20] Operation: 43-23=20 Exploring Operation: 89-43=46, Resulting Numbers: [23, 46] Generated Node #0,0,1: 85:[23, 46] Operation: 89-43=46 Exploring Operation: 43+23=66, Resulting Numbers: [89, 66] Generated Node #0,0,2: 85:[89, 66] Operation: 43+23=66 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 85:[89, 20], Operations: ['77-54=23', '43-23=20'] Exploring Operation: 89*20=1780, Resulting Numbers: [1780] 1780,85 unequal: No Solution Exploring Operation: 89-20=69, Resulting Numbers: [69] 69,85 unequal: No Solution Exploring Operation: 89+20=109, Resulting Numbers: [109] 109,85 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 85:[89, 66], Operations: ['77-54=23', '43+23=66'] Exploring Operation: 89*66=5874, Resulting Numbers: [5874] 5874,85 unequal: No Solution Exploring Operation: 89-66=23, Resulting Numbers: [23] 23,85 unequal: No Solution Exploring Operation: 89+66=155, Resulting Numbers: [155] 155,85 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 85:[23, 46], Operations: ['77-54=23', '89-43=46'] Exploring Operation: 46/23=2, Resulting Numbers: [2] 2,85 unequal: No Solution Exploring Operation: 23+46=69, Resulting Numbers: [69] 69,85 unequal: No Solution Exploring Operation: 46-23=23, Resulting Numbers: [23] 23,85 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2,1 Current State: 85:[89, 7], Operations: ['54-43=11', '77/11=7'] Exploring Operation: 89*7=623, Resulting Numbers: [623] 623,85 unequal: No Solution Exploring Operation: 89+7=96, Resulting Numbers: [96] 96,85 unequal: No Solution Exploring Operation: 89-7=82, Resulting Numbers: [82] 82,85 unequal: No Solution Moving to Node #0,2,2 Current State: 85:[89, 88], Operations: ['54-43=11', '77+11=88'] Exploring Operation: 89*88=7832, Resulting Numbers: [7832] 7832,85 unequal: No Solution Exploring Operation: 89-88=1, Resulting Numbers: [1] 1,85 unequal: No Solution Exploring Operation: 89+88=177, Resulting Numbers: [177] 177,85 unequal: No Solution Moving to Node #0,1,0 Current State: 85:[89, 20], Operations: ['54+43=97', '97-77=20'] Exploring Operation: 89-20=69, Resulting Numbers: [69] 69,85 unequal: No Solution Exploring Operation: 89+20=109, Resulting Numbers: [109] 109,85 unequal: No Solution Exploring Operation: 89*20=1780, Resulting Numbers: [1780] 1780,85 unequal: No Solution Moving to Node #0,2,0 Current State: 85:[11, 12], Operations: ['54-43=11', '89-77=12'] Exploring Operation: 11*12=132, Resulting Numbers: [132] 132,85 unequal: No Solution Exploring Operation: 12-11=1, Resulting Numbers: [1] 1,85 unequal: No Solution Exploring Operation: 11+12=23, Resulting Numbers: [23] 23,85 unequal: No Solution Moving to Node #0,1,1 Current State: 85:[77, 8], Operations: ['54+43=97', '97-89=8'] Exploring Operation: 77+8=85, Resulting Numbers: [85] 85,85 equal: Goal Reached Moving to Node #0 Current State: 85:[89, 77, 54, 43], Operations: [] Exploring Operation: 54+43=97, Resulting Numbers: [89, 77, 97] Generated Node #0,1: 85:[89, 77, 97] Operation: 54+43=97 Moving to Node #0,1 Current State: 85:[89, 77, 97], Operations: ['54+43=97'] Exploring Operation: 97-89=8, Resulting Numbers: [77, 8] Generated Node #0,1,1: 85:[77, 8] Operation: 97-89=8 Moving to Node #0,1,1 Current State: 85:[77, 8], Operations: ['54+43=97', '97-89=8'] Exploring Operation: 77+8=85, Resulting Numbers: [85] 85,85 equal: Goal Reached
0.967014
hs_3
mult_heuristic
[ 92, 2, 12, 74 ]
77
[ "92-12=80", "74+80=154", "154/2=77" ]
Current State: 77:[92, 2, 12, 74], Operations: [] Exploring Operation: 92-12=80, Resulting Numbers: [2, 74, 80] Generated Node #2: [2, 74, 80] from Operation: 92-12=80 Current State: 77:[2, 74, 80], Operations: ['92-12=80'] Exploring Operation: 74+80=154, Resulting Numbers: [2, 154] Generated Node #3: [2, 154] from Operation: 74+80=154 Current State: 77:[2, 154], Operations: ['92-12=80', '74+80=154'] Exploring Operation: 154/2=77, Resulting Numbers: [77] 77,77 equal: Goal Reached
4
Current State: 77:[92, 2, 12, 74], Operations: [] Exploring Operation: 92-12=80, Resulting Numbers: [2, 74, 80] Generated Node #0,0: 77:[2, 74, 80] Operation: 92-12=80 Moving to Node #0,0 Current State: 77:[2, 74, 80], Operations: ['92-12=80'] Exploring Operation: 2+74=76, Resulting Numbers: [80, 76] Generated Node #0,0,0: 77:[80, 76] Operation: 2+74=76 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 77:[80, 76], Operations: ['92-12=80', '2+74=76'] Exploring Operation: 80-76=4, Resulting Numbers: [4] 4,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 34, 65, 67, 18 ]
35
[ "67-65=2", "34/2=17", "18+17=35" ]
Current State: 35:[34, 65, 67, 18], Operations: [] Exploring Operation: 67-65=2, Resulting Numbers: [34, 18, 2] Generated Node #2: [34, 18, 2] from Operation: 67-65=2 Current State: 35:[34, 18, 2], Operations: ['67-65=2'] Exploring Operation: 34/2=17, Resulting Numbers: [18, 17] Generated Node #3: [18, 17] from Operation: 34/2=17 Current State: 35:[18, 17], Operations: ['67-65=2', '34/2=17'] Exploring Operation: 18+17=35, Resulting Numbers: [35] 35,35 equal: Goal Reached
4
Current State: 35:[34, 65, 67, 18], Operations: [] Exploring Operation: 67-18=49, Resulting Numbers: [34, 65, 49] Generated Node #0,0: 35:[34, 65, 49] Operation: 67-18=49 Exploring Operation: 67-34=33, Resulting Numbers: [65, 18, 33] Generated Node #0,1: 35:[65, 18, 33] Operation: 67-34=33 Exploring Operation: 67-65=2, Resulting Numbers: [34, 18, 2] Generated Node #0,2: 35:[34, 18, 2] Operation: 67-65=2 Exploring Operation: 65-18=47, Resulting Numbers: [34, 67, 47] Generated Node #0,3: 35:[34, 67, 47] Operation: 65-18=47 Exploring Operation: 65-34=31, Resulting Numbers: [67, 18, 31] Generated Node #0,4: 35:[67, 18, 31] Operation: 65-34=31 Start Sub Search at level 1: Moving to Node #0,2 Current State: 35:[34, 18, 2], Operations: ['67-65=2'] Exploring Operation: 18/2=9, Resulting Numbers: [34, 9] Generated Node #0,2,0: 35:[34, 9] Operation: 18/2=9 Exploring Operation: 34+2=36, Resulting Numbers: [18, 36] Generated Node #0,2,1: 35:[18, 36] Operation: 34+2=36 Exploring Operation: 18-2=16, Resulting Numbers: [34, 16] Generated Node #0,2,2: 35:[34, 16] Operation: 18-2=16 Exploring Operation: 34-18=16, Resulting Numbers: [2, 16] Generated Node #0,2,3: 35:[2, 16] Operation: 34-18=16 Exploring Operation: 18*2=36, Resulting Numbers: [34, 36] Generated Node #0,2,4: 35:[34, 36] Operation: 18*2=36 Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 35:[34, 36], Operations: ['67-65=2', '18*2=36'] Exploring Operation: 34*36=1224, Resulting Numbers: [1224] 1224,35 unequal: No Solution Exploring Operation: 34+36=70, Resulting Numbers: [70] 70,35 unequal: No Solution Exploring Operation: 36-34=2, Resulting Numbers: [2] 2,35 unequal: No Solution No 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: 35:[34, 9], Operations: ['67-65=2', '18/2=9'] Exploring Operation: 34*9=306, Resulting Numbers: [306] 306,35 unequal: No Solution Exploring Operation: 34-9=25, Resulting Numbers: [25] 25,35 unequal: No Solution Exploring Operation: 34+9=43, Resulting Numbers: [43] 43,35 unequal: No Solution No 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: 35:[34, 16], Operations: ['67-65=2', '18-2=16'] Exploring Operation: 34*16=544, Resulting Numbers: [544] 544,35 unequal: No Solution Exploring Operation: 34+16=50, Resulting Numbers: [50] 50,35 unequal: No Solution Exploring Operation: 34-16=18, Resulting Numbers: [18] 18,35 unequal: No Solution No 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: 35:[18, 36], Operations: ['67-65=2', '34+2=36'] Exploring Operation: 36-18=18, Resulting Numbers: [18] 18,35 unequal: No Solution Exploring Operation: 36/18=2, Resulting Numbers: [2] 2,35 unequal: No Solution Exploring Operation: 18+36=54, Resulting Numbers: [54] 54,35 unequal: No Solution Exploring Operation: 18*36=648, Resulting Numbers: [648] 648,35 unequal: No Solution No 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: 35:[2, 16], Operations: ['67-65=2', '34-18=16'] Exploring Operation: 2+16=18, Resulting Numbers: [18] 18,35 unequal: No Solution Exploring Operation: 16/2=8, Resulting Numbers: [8] 8,35 unequal: No Solution Exploring Operation: 16-2=14, Resulting Numbers: [14] 14,35 unequal: No Solution Exploring Operation: 2*16=32, Resulting Numbers: [32] 32,35 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 35:[65, 18, 33], Operations: ['67-34=33'] Exploring Operation: 65-33=32, Resulting Numbers: [18, 32] Generated Node #0,1,0: 35:[18, 32] Operation: 65-33=32 Exploring Operation: 65+18=83, Resulting Numbers: [33, 83] Generated Node #0,1,1: 35:[33, 83] Operation: 65+18=83 Exploring Operation: 33-18=15, Resulting Numbers: [65, 15] Generated Node #0,1,2: 35:[65, 15] Operation: 33-18=15 Exploring Operation: 18+33=51, Resulting Numbers: [65, 51] Generated Node #0,1,3: 35:[65, 51] Operation: 18+33=51 Exploring Operation: 65-18=47, Resulting Numbers: [33, 47] Generated Node #0,1,4: 35:[33, 47] Operation: 65-18=47 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 35:[18, 32], Operations: ['67-34=33', '65-33=32'] Exploring Operation: 18*32=576, Resulting Numbers: [576] 576,35 unequal: No Solution Exploring Operation: 18+32=50, Resulting Numbers: [50] 50,35 unequal: No Solution Exploring Operation: 32-18=14, Resulting Numbers: [14] 14,35 unequal: No Solution No 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: 35:[33, 47], Operations: ['67-34=33', '65-18=47'] Exploring Operation: 33*47=1551, Resulting Numbers: [1551] 1551,35 unequal: No Solution Exploring Operation: 47-33=14, Resulting Numbers: [14] 14,35 unequal: No Solution Exploring Operation: 33+47=80, Resulting Numbers: [80] 80,35 unequal: No Solution No 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: 35:[65, 15], Operations: ['67-34=33', '33-18=15'] Exploring Operation: 65*15=975, Resulting Numbers: [975] 975,35 unequal: No Solution Exploring Operation: 65-15=50, Resulting Numbers: [50] 50,35 unequal: No Solution Exploring Operation: 65+15=80, Resulting Numbers: [80] 80,35 unequal: No Solution No 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: 35:[65, 51], Operations: ['67-34=33', '18+33=51'] Exploring Operation: 65+51=116, Resulting Numbers: [116] 116,35 unequal: No Solution Exploring Operation: 65*51=3315, Resulting Numbers: [3315] 3315,35 unequal: No Solution Exploring Operation: 65-51=14, Resulting Numbers: [14] 14,35 unequal: No Solution No 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: 35:[33, 83], Operations: ['67-34=33', '65+18=83'] Exploring Operation: 33+83=116, Resulting Numbers: [116] 116,35 unequal: No Solution Exploring Operation: 83-33=50, Resulting Numbers: [50] 50,35 unequal: No Solution Exploring Operation: 33*83=2739, Resulting Numbers: [2739] 2739,35 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 35:[34, 65, 49], Operations: ['67-18=49'] Exploring Operation: 34+49=83, Resulting Numbers: [65, 83] Generated Node #0,0,0: 35:[65, 83] Operation: 34+49=83 Exploring Operation: 34+65=99, Resulting Numbers: [49, 99] Generated Node #0,0,1: 35:[49, 99] Operation: 34+65=99 Exploring Operation: 49-34=15, Resulting Numbers: [65, 15] Generated Node #0,0,2: 35:[65, 15] Operation: 49-34=15 Exploring Operation: 65-34=31, Resulting Numbers: [49, 31] Generated Node #0,0,3: 35:[49, 31] Operation: 65-34=31 Exploring Operation: 65-49=16, Resulting Numbers: [34, 16] Generated Node #0,0,4: 35:[34, 16] Operation: 65-49=16 Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 35:[34, 16], Operations: ['67-18=49', '65-49=16'] Exploring Operation: 34-16=18, Resulting Numbers: [18] 18,35 unequal: No Solution Exploring Operation: 34*16=544, Resulting Numbers: [544] 544,35 unequal: No Solution Exploring Operation: 34+16=50, Resulting Numbers: [50] 50,35 unequal: No Solution No 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: 35:[49, 31], Operations: ['67-18=49', '65-34=31'] Exploring Operation: 49+31=80, Resulting Numbers: [80] 80,35 unequal: No Solution Exploring Operation: 49*31=1519, Resulting Numbers: [1519] 1519,35 unequal: No Solution Exploring Operation: 49-31=18, Resulting Numbers: [18] 18,35 unequal: No Solution No 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: 35:[65, 15], Operations: ['67-18=49', '49-34=15'] Exploring Operation: 65*15=975, Resulting Numbers: [975] 975,35 unequal: No Solution Exploring Operation: 65-15=50, Resulting Numbers: [50] 50,35 unequal: No Solution Exploring Operation: 65+15=80, Resulting Numbers: [80] 80,35 unequal: No Solution No 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: 35:[65, 83], Operations: ['67-18=49', '34+49=83'] Exploring Operation: 65*83=5395, Resulting Numbers: [5395] 5395,35 unequal: No Solution Exploring Operation: 83-65=18, Resulting Numbers: [18] 18,35 unequal: No Solution Exploring Operation: 65+83=148, Resulting Numbers: [148] 148,35 unequal: No Solution No 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: 35:[49, 99], Operations: ['67-18=49', '34+65=99'] Exploring Operation: 49*99=4851, Resulting Numbers: [4851] 4851,35 unequal: No Solution Exploring Operation: 99-49=50, Resulting Numbers: [50] 50,35 unequal: No Solution Exploring Operation: 49+99=148, Resulting Numbers: [148] 148,35 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 35:[34, 67, 47], Operations: ['65-18=47'] Exploring Operation: 47-34=13, Resulting Numbers: [67, 13] Generated Node #0,3,0: 35:[67, 13] Operation: 47-34=13 Exploring Operation: 67-47=20, Resulting Numbers: [34, 20] Generated Node #0,3,1: 35:[34, 20] Operation: 67-47=20 Exploring Operation: 34+47=81, Resulting Numbers: [67, 81] Generated Node #0,3,2: 35:[67, 81] Operation: 34+47=81 Exploring Operation: 67-34=33, Resulting Numbers: [47, 33] Generated Node #0,3,3: 35:[47, 33] Operation: 67-34=33 Exploring Operation: 34+67=101, Resulting Numbers: [47, 101] Generated Node #0,3,4: 35:[47, 101] Operation: 34+67=101 Moving to Node #0,3,1 Current State: 35:[34, 20], Operations: ['65-18=47', '67-47=20'] Exploring Operation: 34-20=14, Resulting Numbers: [14] 14,35 unequal: No Solution Exploring Operation: 34*20=680, Resulting Numbers: [680] 680,35 unequal: No Solution Exploring Operation: 34+20=54, Resulting Numbers: [54] 54,35 unequal: No Solution Moving to Node #0,3,3 Current State: 35:[47, 33], Operations: ['65-18=47', '67-34=33'] Exploring Operation: 47+33=80, Resulting Numbers: [80] 80,35 unequal: No Solution Exploring Operation: 47-33=14, Resulting Numbers: [14] 14,35 unequal: No Solution Exploring Operation: 47*33=1551, Resulting Numbers: [1551] 1551,35 unequal: No Solution Moving to Node #0,3,0 Current State: 35:[67, 13], Operations: ['65-18=47', '47-34=13'] Exploring Operation: 67*13=871, Resulting Numbers: [871] 871,35 unequal: No Solution Exploring Operation: 67+13=80, Resulting Numbers: [80] 80,35 unequal: No Solution Exploring Operation: 67-13=54, Resulting Numbers: [54] 54,35 unequal: No Solution Moving to Node #0,3,2 Current State: 35:[67, 81], Operations: ['65-18=47', '34+47=81'] Exploring Operation: 67*81=5427, Resulting Numbers: [5427] 5427,35 unequal: No Solution Exploring Operation: 81-67=14, Resulting Numbers: [14] 14,35 unequal: No Solution Exploring Operation: 67+81=148, Resulting Numbers: [148] 148,35 unequal: No Solution Moving to Node #0,3,4 Current State: 35:[47, 101], Operations: ['65-18=47', '34+67=101'] Exploring Operation: 101-47=54, Resulting Numbers: [54] 54,35 unequal: No Solution Exploring Operation: 47*101=4747, Resulting Numbers: [4747] 4747,35 unequal: No Solution Exploring Operation: 47+101=148, Resulting Numbers: [148] 148,35 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 Current State: 35:[67, 18, 31], Operations: ['65-34=31'] Exploring Operation: 31-18=13, Resulting Numbers: [67, 13] Generated Node #0,4,0: 35:[67, 13] Operation: 31-18=13 Exploring Operation: 18+31=49, Resulting Numbers: [67, 49] Generated Node #0,4,1: 35:[67, 49] Operation: 18+31=49 Exploring Operation: 67-18=49, Resulting Numbers: [31, 49] Generated Node #0,4,2: 35:[31, 49] Operation: 67-18=49 Exploring Operation: 67-31=36, Resulting Numbers: [18, 36] Generated Node #0,4,3: 35:[18, 36] Operation: 67-31=36 Exploring Operation: 67+18=85, Resulting Numbers: [31, 85] Generated Node #0,4,4: 35:[31, 85] Operation: 67+18=85 Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 35:[18, 36], Operations: ['65-34=31', '67-31=36'] Exploring Operation: 36/18=2, Resulting Numbers: [2] 2,35 unequal: No Solution Exploring Operation: 18+36=54, Resulting Numbers: [54] 54,35 unequal: No Solution Exploring Operation: 18*36=648, Resulting Numbers: [648] 648,35 unequal: No Solution Exploring Operation: 36-18=18, Resulting Numbers: [18] 18,35 unequal: No Solution No 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: 35:[31, 49], Operations: ['65-34=31', '67-18=49'] Exploring Operation: 49-31=18, Resulting Numbers: [18] 18,35 unequal: No Solution Exploring Operation: 31*49=1519, Resulting Numbers: [1519] 1519,35 unequal: No Solution Exploring Operation: 31+49=80, Resulting Numbers: [80] 80,35 unequal: No Solution No 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: 35:[67, 13], Operations: ['65-34=31', '31-18=13'] Exploring Operation: 67+13=80, Resulting Numbers: [80] 80,35 unequal: No Solution Exploring Operation: 67*13=871, Resulting Numbers: [871] 871,35 unequal: No Solution Exploring Operation: 67-13=54, Resulting Numbers: [54] 54,35 unequal: No Solution No 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: 35:[67, 49], Operations: ['65-34=31', '18+31=49'] Exploring Operation: 67*49=3283, Resulting Numbers: [3283] 3283,35 unequal: No Solution Exploring Operation: 67+49=116, Resulting Numbers: [116] 116,35 unequal: No Solution Exploring Operation: 67-49=18, Resulting Numbers: [18] 18,35 unequal: No Solution No 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: 35:[31, 85], Operations: ['65-34=31', '67+18=85'] Exploring Operation: 31+85=116, Resulting Numbers: [116] 116,35 unequal: No Solution Exploring Operation: 31*85=2635, Resulting Numbers: [2635] 2635,35 unequal: No Solution Exploring Operation: 85-31=54, Resulting Numbers: [54] 54,35 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
sum_heuristic
[ 84, 55, 48, 85 ]
66
[ "84-55=29", "85-48=37", "29+37=66" ]
Current State: 66:[84, 55, 48, 85], Operations: [] Exploring Operation: 84-55=29, Resulting Numbers: [48, 85, 29] Generated Node #2: [48, 85, 29] from Operation: 84-55=29 Current State: 66:[48, 85, 29], Operations: ['84-55=29'] Exploring Operation: 85-48=37, Resulting Numbers: [29, 37] Generated Node #3: [29, 37] from Operation: 85-48=37 Current State: 66:[29, 37], Operations: ['84-55=29', '85-48=37'] Exploring Operation: 29+37=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
4
Current State: 66:[84, 55, 48, 85], Operations: [] Exploring Operation: 85-84=1, Resulting Numbers: [55, 48, 1] Generated Node #0,0: 66:[55, 48, 1] Operation: 85-84=1 Moving to Node #0,0 Current State: 66:[55, 48, 1], Operations: ['85-84=1'] Exploring Operation: 55-48=7, Resulting Numbers: [1, 7] Generated Node #0,0,0: 66:[1, 7] Operation: 55-48=7 Moving to Node #0,0,0 Current State: 66:[1, 7], Operations: ['85-84=1', '55-48=7'] Exploring Operation: 7-1=6, Resulting Numbers: [6] 6,66 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 13, 26, 79, 12 ]
89
[ "26/13=2", "79+12=91", "91-2=89" ]
Current State: 89:[13, 26, 79, 12], Operations: [] Exploring Operation: 26/13=2, Resulting Numbers: [79, 12, 2] Generated Node #2: [79, 12, 2] from Operation: 26/13=2 Current State: 89:[79, 12, 2], Operations: ['26/13=2'] Exploring Operation: 79+12=91, Resulting Numbers: [2, 91] Generated Node #3: [2, 91] from Operation: 79+12=91 Current State: 89:[2, 91], Operations: ['26/13=2', '79+12=91'] Exploring Operation: 91-2=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
4
Current State: 89:[13, 26, 79, 12], Operations: [] Exploring Operation: 13+26=39, Resulting Numbers: [79, 12, 39] Generated Node #0,0: 89:[79, 12, 39] Operation: 13+26=39 Moving to Node #0,0 Current State: 89:[79, 12, 39], Operations: ['13+26=39'] Exploring Operation: 12+39=51, Resulting Numbers: [79, 51] Generated Node #0,0,0: 89:[79, 51] Operation: 12+39=51 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 89:[79, 51], Operations: ['13+26=39', '12+39=51'] Exploring Operation: 79+51=130, Resulting Numbers: [130] 130,89 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
[ 98, 84, 81, 55 ]
51
[ "98+55=153", "84-81=3", "153/3=51" ]
Current State: 51:[98, 84, 81, 55], Operations: [] Exploring Operation: 98+55=153, Resulting Numbers: [84, 81, 153] Generated Node #2: [84, 81, 153] from Operation: 98+55=153 Current State: 51:[84, 81, 153], Operations: ['98+55=153'] Exploring Operation: 84-81=3, Resulting Numbers: [153, 3] Generated Node #3: [153, 3] from Operation: 84-81=3 Current State: 51:[153, 3], Operations: ['98+55=153', '84-81=3'] Exploring Operation: 153/3=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[98, 84, 81, 55], Operations: [] Exploring Operation: 98-55=43, Resulting Numbers: [84, 81, 43] Generated Node #0,0: 51:[84, 81, 43] Operation: 98-55=43 Exploring Operation: 84-55=29, Resulting Numbers: [98, 81, 29] Generated Node #0,1: 51:[98, 81, 29] Operation: 84-55=29 Exploring Operation: 98-81=17, Resulting Numbers: [84, 55, 17] Generated Node #0,2: 51:[84, 55, 17] Operation: 98-81=17 Exploring Operation: 98-84=14, Resulting Numbers: [81, 55, 14] Generated Node #0,3: 51:[81, 55, 14] Operation: 98-84=14 Exploring Operation: 84-81=3, Resulting Numbers: [98, 55, 3] Generated Node #0,4: 51:[98, 55, 3] Operation: 84-81=3 Start Sub Search at level 1: Moving to Node #0,2 Current State: 51:[84, 55, 17], Operations: ['98-81=17'] Exploring Operation: 84-17=67, Resulting Numbers: [55, 67] Generated Node #0,2,0: 51:[55, 67] Operation: 84-17=67 Exploring Operation: 55+17=72, Resulting Numbers: [84, 72] Generated Node #0,2,1: 51:[84, 72] Operation: 55+17=72 Exploring Operation: 55-17=38, Resulting Numbers: [84, 38] Generated Node #0,2,2: 51:[84, 38] Operation: 55-17=38 Exploring Operation: 84+17=101, Resulting Numbers: [55, 101] Generated Node #0,2,3: 51:[55, 101] Operation: 84+17=101 Exploring Operation: 84-55=29, Resulting Numbers: [17, 29] Generated Node #0,2,4: 51:[17, 29] Operation: 84-55=29 Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 51:[17, 29], Operations: ['98-81=17', '84-55=29'] Exploring Operation: 17*29=493, Resulting Numbers: [493] 493,51 unequal: No Solution Exploring Operation: 17+29=46, Resulting Numbers: [46] 46,51 unequal: No Solution Exploring Operation: 29-17=12, Resulting Numbers: [12] 12,51 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 51:[55, 67], Operations: ['98-81=17', '84-17=67'] Exploring Operation: 55+67=122, Resulting Numbers: [122] 122,51 unequal: No Solution Exploring Operation: 67-55=12, Resulting Numbers: [12] 12,51 unequal: No Solution Exploring Operation: 55*67=3685, Resulting Numbers: [3685] 3685,51 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 51:[84, 38], Operations: ['98-81=17', '55-17=38'] Exploring Operation: 84*38=3192, Resulting Numbers: [3192] 3192,51 unequal: No Solution Exploring Operation: 84-38=46, Resulting Numbers: [46] 46,51 unequal: No Solution Exploring Operation: 84+38=122, Resulting Numbers: [122] 122,51 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 51:[84, 72], Operations: ['98-81=17', '55+17=72'] Exploring Operation: 84+72=156, Resulting Numbers: [156] 156,51 unequal: No Solution Exploring Operation: 84*72=6048, Resulting Numbers: [6048] 6048,51 unequal: No Solution Exploring Operation: 84-72=12, Resulting Numbers: [12] 12,51 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 51:[55, 101], Operations: ['98-81=17', '84+17=101'] Exploring Operation: 55*101=5555, Resulting Numbers: [5555] 5555,51 unequal: No Solution Exploring Operation: 55+101=156, Resulting Numbers: [156] 156,51 unequal: No Solution Exploring Operation: 101-55=46, Resulting Numbers: [46] 46,51 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 51:[81, 55, 14], Operations: ['98-84=14'] Exploring Operation: 55-14=41, Resulting Numbers: [81, 41] Generated Node #0,3,0: 51:[81, 41] Operation: 55-14=41 Exploring Operation: 81-55=26, Resulting Numbers: [14, 26] Generated Node #0,3,1: 51:[14, 26] Operation: 81-55=26 Exploring Operation: 81+14=95, Resulting Numbers: [55, 95] Generated Node #0,3,2: 51:[55, 95] Operation: 81+14=95 Exploring Operation: 81-14=67, Resulting Numbers: [55, 67] Generated Node #0,3,3: 51:[55, 67] Operation: 81-14=67 Exploring Operation: 55+14=69, Resulting Numbers: [81, 69] Generated Node #0,3,4: 51:[81, 69] Operation: 55+14=69 Moving to Node #0,3,1 Current State: 51:[14, 26], Operations: ['98-84=14', '81-55=26'] Exploring Operation: 14+26=40, Resulting Numbers: [40] 40,51 unequal: No Solution Exploring Operation: 26-14=12, Resulting Numbers: [12] 12,51 unequal: No Solution Exploring Operation: 14*26=364, Resulting Numbers: [364] 364,51 unequal: No Solution Moving to Node #0,3,3 Current State: 51:[55, 67], Operations: ['98-84=14', '81-14=67'] Exploring Operation: 67-55=12, Resulting Numbers: [12] 12,51 unequal: No Solution Exploring Operation: 55+67=122, Resulting Numbers: [122] 122,51 unequal: No Solution Exploring Operation: 55*67=3685, Resulting Numbers: [3685] 3685,51 unequal: No Solution Moving to Node #0,3,0 Current State: 51:[81, 41], Operations: ['98-84=14', '55-14=41'] Exploring Operation: 81*41=3321, Resulting Numbers: [3321] 3321,51 unequal: No Solution Exploring Operation: 81-41=40, Resulting Numbers: [40] 40,51 unequal: No Solution Exploring Operation: 81+41=122, Resulting Numbers: [122] 122,51 unequal: No Solution Moving to Node #0,3,2 Current State: 51:[55, 95], Operations: ['98-84=14', '81+14=95'] Exploring Operation: 95-55=40, Resulting Numbers: [40] 40,51 unequal: No Solution Exploring Operation: 55*95=5225, Resulting Numbers: [5225] 5225,51 unequal: No Solution Exploring Operation: 55+95=150, Resulting Numbers: [150] 150,51 unequal: No Solution Moving to Node #0,3,4 Current State: 51:[81, 69], Operations: ['98-84=14', '55+14=69'] Exploring Operation: 81-69=12, Resulting Numbers: [12] 12,51 unequal: No Solution Exploring Operation: 81*69=5589, Resulting Numbers: [5589] 5589,51 unequal: No Solution Exploring Operation: 81+69=150, Resulting Numbers: [150] 150,51 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 51:[98, 55, 3], Operations: ['84-81=3'] Exploring Operation: 55+3=58, Resulting Numbers: [98, 58] Generated Node #0,4,0: 51:[98, 58] Operation: 55+3=58 Exploring Operation: 55-3=52, Resulting Numbers: [98, 52] Generated Node #0,4,1: 51:[98, 52] Operation: 55-3=52 Exploring Operation: 98+3=101, Resulting Numbers: [55, 101] Generated Node #0,4,2: 51:[55, 101] Operation: 98+3=101 Exploring Operation: 98-3=95, Resulting Numbers: [55, 95] Generated Node #0,4,3: 51:[55, 95] Operation: 98-3=95 Exploring Operation: 98-55=43, Resulting Numbers: [3, 43] Generated Node #0,4,4: 51:[3, 43] Operation: 98-55=43 Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 51:[3, 43], Operations: ['84-81=3', '98-55=43'] Exploring Operation: 43-3=40, Resulting Numbers: [40] 40,51 unequal: No Solution Exploring Operation: 3+43=46, Resulting Numbers: [46] 46,51 unequal: No Solution Exploring Operation: 3*43=129, Resulting Numbers: [129] 129,51 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 51:[98, 52], Operations: ['84-81=3', '55-3=52'] Exploring Operation: 98*52=5096, Resulting Numbers: [5096] 5096,51 unequal: No Solution Exploring Operation: 98-52=46, Resulting Numbers: [46] 46,51 unequal: No Solution Exploring Operation: 98+52=150, Resulting Numbers: [150] 150,51 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 51:[55, 95], Operations: ['84-81=3', '98-3=95'] Exploring Operation: 55*95=5225, Resulting Numbers: [5225] 5225,51 unequal: No Solution Exploring Operation: 55+95=150, Resulting Numbers: [150] 150,51 unequal: No Solution Exploring Operation: 95-55=40, Resulting Numbers: [40] 40,51 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 51:[98, 58], Operations: ['84-81=3', '55+3=58'] Exploring Operation: 98-58=40, Resulting Numbers: [40] 40,51 unequal: No Solution Exploring Operation: 98*58=5684, Resulting Numbers: [5684] 5684,51 unequal: No Solution Exploring Operation: 98+58=156, Resulting Numbers: [156] 156,51 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 51:[55, 101], Operations: ['84-81=3', '98+3=101'] Exploring Operation: 55*101=5555, Resulting Numbers: [5555] 5555,51 unequal: No Solution Exploring Operation: 101-55=46, Resulting Numbers: [46] 46,51 unequal: No Solution Exploring Operation: 55+101=156, Resulting Numbers: [156] 156,51 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 51:[84, 81, 43], Operations: ['98-55=43'] Exploring Operation: 84-81=3, Resulting Numbers: [43, 3] Generated Node #0,0,0: 51:[43, 3] Operation: 84-81=3 Exploring Operation: 81-43=38, Resulting Numbers: [84, 38] Generated Node #0,0,1: 51:[84, 38] Operation: 81-43=38 Exploring Operation: 81+43=124, Resulting Numbers: [84, 124] Generated Node #0,0,2: 51:[84, 124] Operation: 81+43=124 Exploring Operation: 84-43=41, Resulting Numbers: [81, 41] Generated Node #0,0,3: 51:[81, 41] Operation: 84-43=41 Exploring Operation: 84+43=127, Resulting Numbers: [81, 127] Generated Node #0,0,4: 51:[81, 127] Operation: 84+43=127 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 51:[43, 3], Operations: ['98-55=43', '84-81=3'] Exploring Operation: 43*3=129, Resulting Numbers: [129] 129,51 unequal: No Solution Exploring Operation: 43-3=40, Resulting Numbers: [40] 40,51 unequal: No Solution Exploring Operation: 43+3=46, Resulting Numbers: [46] 46,51 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 51:[81, 41], Operations: ['98-55=43', '84-43=41'] Exploring Operation: 81+41=122, Resulting Numbers: [122] 122,51 unequal: No Solution Exploring Operation: 81-41=40, Resulting Numbers: [40] 40,51 unequal: No Solution Exploring Operation: 81*41=3321, Resulting Numbers: [3321] 3321,51 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 51:[84, 38], Operations: ['98-55=43', '81-43=38'] Exploring Operation: 84+38=122, Resulting Numbers: [122] 122,51 unequal: No Solution Exploring Operation: 84-38=46, Resulting Numbers: [46] 46,51 unequal: No Solution Exploring Operation: 84*38=3192, Resulting Numbers: [3192] 3192,51 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 51:[84, 124], Operations: ['98-55=43', '81+43=124'] Exploring Operation: 84+124=208, Resulting Numbers: [208] 208,51 unequal: No Solution Exploring Operation: 124-84=40, Resulting Numbers: [40] 40,51 unequal: No Solution Exploring Operation: 84*124=10416, Resulting Numbers: [10416] 10416,51 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 51:[81, 127], Operations: ['98-55=43', '84+43=127'] Exploring Operation: 127-81=46, Resulting Numbers: [46] 46,51 unequal: No Solution Exploring Operation: 81+127=208, Resulting Numbers: [208] 208,51 unequal: No Solution Exploring Operation: 81*127=10287, Resulting Numbers: [10287] 10287,51 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 51:[98, 81, 29], Operations: ['84-55=29'] Exploring Operation: 98+29=127, Resulting Numbers: [81, 127] Generated Node #0,1,0: 51:[81, 127] Operation: 98+29=127 Exploring Operation: 81+29=110, Resulting Numbers: [98, 110] Generated Node #0,1,1: 51:[98, 110] Operation: 81+29=110 Exploring Operation: 98-81=17, Resulting Numbers: [29, 17] Generated Node #0,1,2: 51:[29, 17] Operation: 98-81=17 Exploring Operation: 98-29=69, Resulting Numbers: [81, 69] Generated Node #0,1,3: 51:[81, 69] Operation: 98-29=69 Exploring Operation: 81-29=52, Resulting Numbers: [98, 52] Generated Node #0,1,4: 51:[98, 52] Operation: 81-29=52 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 51:[29, 17], Operations: ['84-55=29', '98-81=17'] Exploring Operation: 29*17=493, Resulting Numbers: [493] 493,51 unequal: No Solution Exploring Operation: 29-17=12, Resulting Numbers: [12] 12,51 unequal: No Solution Exploring Operation: 29+17=46, Resulting Numbers: [46] 46,51 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 51:[81, 69], Operations: ['84-55=29', '98-29=69'] Exploring Operation: 81*69=5589, Resulting Numbers: [5589] 5589,51 unequal: No Solution Exploring Operation: 81-69=12, Resulting Numbers: [12] 12,51 unequal: No Solution Exploring Operation: 81+69=150, Resulting Numbers: [150] 150,51 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 51:[98, 52], Operations: ['84-55=29', '81-29=52'] Exploring Operation: 98-52=46, Resulting Numbers: [46] 46,51 unequal: No Solution Exploring Operation: 98*52=5096, Resulting Numbers: [5096] 5096,51 unequal: No Solution Exploring Operation: 98+52=150, Resulting Numbers: [150] 150,51 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 51:[81, 127], Operations: ['84-55=29', '98+29=127'] Exploring Operation: 81*127=10287, Resulting Numbers: [10287] 10287,51 unequal: No Solution Exploring Operation: 127-81=46, Resulting Numbers: [46] 46,51 unequal: No Solution Exploring Operation: 81+127=208, Resulting Numbers: [208] 208,51 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 51:[98, 110], Operations: ['84-55=29', '81+29=110'] Exploring Operation: 110-98=12, Resulting Numbers: [12] 12,51 unequal: No Solution Exploring Operation: 98+110=208, Resulting Numbers: [208] 208,51 unequal: No Solution Exploring Operation: 98*110=10780, Resulting Numbers: [10780] 10780,51 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
sum_heuristic
[ 71, 64, 67, 85 ]
52
[ "71+85=156", "67-64=3", "156/3=52" ]
Current State: 52:[71, 64, 67, 85], Operations: [] Exploring Operation: 71+85=156, Resulting Numbers: [64, 67, 156] Generated Node #2: [64, 67, 156] from Operation: 71+85=156 Current State: 52:[64, 67, 156], Operations: ['71+85=156'] Exploring Operation: 67-64=3, Resulting Numbers: [156, 3] Generated Node #3: [156, 3] from Operation: 67-64=3 Current State: 52:[156, 3], Operations: ['71+85=156', '67-64=3'] Exploring Operation: 156/3=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[71, 64, 67, 85], Operations: [] Exploring Operation: 85-67=18, Resulting Numbers: [71, 64, 18] Generated Node #0,0: 52:[71, 64, 18] Operation: 85-67=18 Exploring Operation: 71-64=7, Resulting Numbers: [67, 85, 7] Generated Node #0,1: 52:[67, 85, 7] Operation: 71-64=7 Exploring Operation: 85-71=14, Resulting Numbers: [64, 67, 14] Generated Node #0,2: 52:[64, 67, 14] Operation: 85-71=14 Exploring Operation: 85-64=21, Resulting Numbers: [71, 67, 21] Generated Node #0,3: 52:[71, 67, 21] Operation: 85-64=21 Exploring Operation: 71-67=4, Resulting Numbers: [64, 85, 4] Generated Node #0,4: 52:[64, 85, 4] Operation: 71-67=4 Moving to Node #0,2 Current State: 52:[64, 67, 14], Operations: ['85-71=14'] Exploring Operation: 67-14=53, Resulting Numbers: [64, 53] Generated Node #0,2,0: 52:[64, 53] Operation: 67-14=53 Exploring Operation: 67+14=81, Resulting Numbers: [64, 81] Generated Node #0,2,1: 52:[64, 81] Operation: 67+14=81 Exploring Operation: 64+14=78, Resulting Numbers: [67, 78] Generated Node #0,2,2: 52:[67, 78] Operation: 64+14=78 Exploring Operation: 64-14=50, Resulting Numbers: [67, 50] Generated Node #0,2,3: 52:[67, 50] Operation: 64-14=50 Exploring Operation: 67-64=3, Resulting Numbers: [14, 3] Generated Node #0,2,4: 52:[14, 3] Operation: 67-64=3 Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 52:[14, 3], Operations: ['85-71=14', '67-64=3'] Exploring Operation: 14*3=42, Resulting Numbers: [42] 42,52 unequal: No Solution Exploring Operation: 14-3=11, Resulting Numbers: [11] 11,52 unequal: No Solution Exploring Operation: 14+3=17, Resulting Numbers: [17] 17,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 52:[64, 53], Operations: ['85-71=14', '67-14=53'] Exploring Operation: 64-53=11, Resulting Numbers: [11] 11,52 unequal: No Solution Exploring Operation: 64*53=3392, Resulting Numbers: [3392] 3392,52 unequal: No Solution Exploring Operation: 64+53=117, Resulting Numbers: [117] 117,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 52:[67, 50], Operations: ['85-71=14', '64-14=50'] Exploring Operation: 67*50=3350, Resulting Numbers: [3350] 3350,52 unequal: No Solution Exploring Operation: 67+50=117, Resulting Numbers: [117] 117,52 unequal: No Solution Exploring Operation: 67-50=17, Resulting Numbers: [17] 17,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 52:[64, 81], Operations: ['85-71=14', '67+14=81'] Exploring Operation: 64*81=5184, Resulting Numbers: [5184] 5184,52 unequal: No Solution Exploring Operation: 64+81=145, Resulting Numbers: [145] 145,52 unequal: No Solution Exploring Operation: 81-64=17, Resulting Numbers: [17] 17,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 52:[67, 78], Operations: ['85-71=14', '64+14=78'] Exploring Operation: 67*78=5226, Resulting Numbers: [5226] 5226,52 unequal: No Solution Exploring Operation: 78-67=11, Resulting Numbers: [11] 11,52 unequal: No Solution Exploring Operation: 67+78=145, Resulting Numbers: [145] 145,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 52:[71, 64, 18], Operations: ['85-67=18'] Exploring Operation: 64+18=82, Resulting Numbers: [71, 82] Generated Node #0,0,0: 52:[71, 82] Operation: 64+18=82 Exploring Operation: 71+18=89, Resulting Numbers: [64, 89] Generated Node #0,0,1: 52:[64, 89] Operation: 71+18=89 Exploring Operation: 64-18=46, Resulting Numbers: [71, 46] Generated Node #0,0,2: 52:[71, 46] Operation: 64-18=46 Exploring Operation: 71-18=53, Resulting Numbers: [64, 53] Generated Node #0,0,3: 52:[64, 53] Operation: 71-18=53 Exploring Operation: 71-64=7, Resulting Numbers: [18, 7] Generated Node #0,0,4: 52:[18, 7] Operation: 71-64=7 Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 52:[18, 7], Operations: ['85-67=18', '71-64=7'] Exploring Operation: 18+7=25, Resulting Numbers: [25] 25,52 unequal: No Solution Exploring Operation: 18*7=126, Resulting Numbers: [126] 126,52 unequal: No Solution Exploring Operation: 18-7=11, Resulting Numbers: [11] 11,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 52:[64, 53], Operations: ['85-67=18', '71-18=53'] Exploring Operation: 64-53=11, Resulting Numbers: [11] 11,52 unequal: No Solution Exploring Operation: 64*53=3392, Resulting Numbers: [3392] 3392,52 unequal: No Solution Exploring Operation: 64+53=117, Resulting Numbers: [117] 117,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 52:[71, 46], Operations: ['85-67=18', '64-18=46'] Exploring Operation: 71+46=117, Resulting Numbers: [117] 117,52 unequal: No Solution Exploring Operation: 71*46=3266, Resulting Numbers: [3266] 3266,52 unequal: No Solution Exploring Operation: 71-46=25, Resulting Numbers: [25] 25,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 52:[71, 82], Operations: ['85-67=18', '64+18=82'] Exploring Operation: 71+82=153, Resulting Numbers: [153] 153,52 unequal: No Solution Exploring Operation: 82-71=11, Resulting Numbers: [11] 11,52 unequal: No Solution Exploring Operation: 71*82=5822, Resulting Numbers: [5822] 5822,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 52:[64, 89], Operations: ['85-67=18', '71+18=89'] Exploring Operation: 64+89=153, Resulting Numbers: [153] 153,52 unequal: No Solution Exploring Operation: 64*89=5696, Resulting Numbers: [5696] 5696,52 unequal: No Solution Exploring Operation: 89-64=25, Resulting Numbers: [25] 25,52 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: 52:[71, 67, 21], Operations: ['85-64=21'] Exploring Operation: 71+21=92, Resulting Numbers: [67, 92] Generated Node #0,3,0: 52:[67, 92] Operation: 71+21=92 Exploring Operation: 71-21=50, Resulting Numbers: [67, 50] Generated Node #0,3,1: 52:[67, 50] Operation: 71-21=50 Exploring Operation: 67+21=88, Resulting Numbers: [71, 88] Generated Node #0,3,2: 52:[71, 88] Operation: 67+21=88 Exploring Operation: 67-21=46, Resulting Numbers: [71, 46] Generated Node #0,3,3: 52:[71, 46] Operation: 67-21=46 Exploring Operation: 71-67=4, Resulting Numbers: [21, 4] Generated Node #0,3,4: 52:[21, 4] Operation: 71-67=4 Moving to Node #0,4 Current State: 52:[64, 85, 4], Operations: ['71-67=4'] Exploring Operation: 85-4=81, Resulting Numbers: [64, 81] Generated Node #0,4,0: 52:[64, 81] Operation: 85-4=81 Exploring Operation: 64/4=16, Resulting Numbers: [85, 16] Generated Node #0,4,1: 52:[85, 16] Operation: 64/4=16 Exploring Operation: 64-4=60, Resulting Numbers: [85, 60] Generated Node #0,4,2: 52:[85, 60] Operation: 64-4=60 Exploring Operation: 85-64=21, Resulting Numbers: [4, 21] Generated Node #0,4,3: 52:[4, 21] Operation: 85-64=21 Exploring Operation: 64+4=68, Resulting Numbers: [85, 68] Generated Node #0,4,4: 52:[85, 68] Operation: 64+4=68 Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 52:[4, 21], Operations: ['71-67=4', '85-64=21'] Exploring Operation: 4+21=25, Resulting Numbers: [25] 25,52 unequal: No Solution Exploring Operation: 4*21=84, Resulting Numbers: [84] 84,52 unequal: No Solution Exploring Operation: 21-4=17, Resulting Numbers: [17] 17,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 52:[85, 16], Operations: ['71-67=4', '64/4=16'] Exploring Operation: 85+16=101, Resulting Numbers: [101] 101,52 unequal: No Solution Exploring Operation: 85-16=69, Resulting Numbers: [69] 69,52 unequal: No Solution Exploring Operation: 85*16=1360, Resulting Numbers: [1360] 1360,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 52:[64, 81], Operations: ['71-67=4', '85-4=81'] Exploring Operation: 81-64=17, Resulting Numbers: [17] 17,52 unequal: No Solution Exploring Operation: 64*81=5184, Resulting Numbers: [5184] 5184,52 unequal: No Solution Exploring Operation: 64+81=145, Resulting Numbers: [145] 145,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 52:[85, 60], Operations: ['71-67=4', '64-4=60'] Exploring Operation: 85-60=25, Resulting Numbers: [25] 25,52 unequal: No Solution Exploring Operation: 85+60=145, Resulting Numbers: [145] 145,52 unequal: No Solution Exploring Operation: 85*60=5100, Resulting Numbers: [5100] 5100,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 52:[85, 68], Operations: ['71-67=4', '64+4=68'] Exploring Operation: 85+68=153, Resulting Numbers: [153] 153,52 unequal: No Solution Exploring Operation: 85*68=5780, Resulting Numbers: [5780] 5780,52 unequal: No Solution Exploring Operation: 85-68=17, Resulting Numbers: [17] 17,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 52:[67, 85, 7], Operations: ['71-64=7'] Exploring Operation: 67+7=74, Resulting Numbers: [85, 74] Generated Node #0,1,0: 52:[85, 74] Operation: 67+7=74 Exploring Operation: 85+7=92, Resulting Numbers: [67, 92] Generated Node #0,1,1: 52:[67, 92] Operation: 85+7=92 Exploring Operation: 85-67=18, Resulting Numbers: [7, 18] Generated Node #0,1,2: 52:[7, 18] Operation: 85-67=18 Exploring Operation: 85-7=78, Resulting Numbers: [67, 78] Generated Node #0,1,3: 52:[67, 78] Operation: 85-7=78 Exploring Operation: 67-7=60, Resulting Numbers: [85, 60] Generated Node #0,1,4: 52:[85, 60] Operation: 67-7=60 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 52:[7, 18], Operations: ['71-64=7', '85-67=18'] Exploring Operation: 18-7=11, Resulting Numbers: [11] 11,52 unequal: No Solution Exploring Operation: 7+18=25, Resulting Numbers: [25] 25,52 unequal: No Solution Exploring Operation: 7*18=126, Resulting Numbers: [126] 126,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 52:[67, 78], Operations: ['71-64=7', '85-7=78'] Exploring Operation: 78-67=11, Resulting Numbers: [11] 11,52 unequal: No Solution Exploring Operation: 67+78=145, Resulting Numbers: [145] 145,52 unequal: No Solution Exploring Operation: 67*78=5226, Resulting Numbers: [5226] 5226,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 52:[85, 60], Operations: ['71-64=7', '67-7=60'] Exploring Operation: 85*60=5100, Resulting Numbers: [5100] 5100,52 unequal: No Solution Exploring Operation: 85-60=25, Resulting Numbers: [25] 25,52 unequal: No Solution Exploring Operation: 85+60=145, Resulting Numbers: [145] 145,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 52:[85, 74], Operations: ['71-64=7', '67+7=74'] Exploring Operation: 85+74=159, Resulting Numbers: [159] 159,52 unequal: No Solution Exploring Operation: 85-74=11, Resulting Numbers: [11] 11,52 unequal: No Solution Exploring Operation: 85*74=6290, Resulting Numbers: [6290] 6290,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 52:[67, 92], Operations: ['71-64=7', '85+7=92'] Exploring Operation: 67+92=159, Resulting Numbers: [159] 159,52 unequal: No Solution Exploring Operation: 67*92=6164, Resulting Numbers: [6164] 6164,52 unequal: No Solution Exploring Operation: 92-67=25, Resulting Numbers: [25] 25,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3,4 Current State: 52:[21, 4], Operations: ['85-64=21', '71-67=4'] Exploring Operation: 21-4=17, Resulting Numbers: [17] 17,52 unequal: No Solution Exploring Operation: 21+4=25, Resulting Numbers: [25] 25,52 unequal: No Solution Exploring Operation: 21*4=84, Resulting Numbers: [84] 84,52 unequal: No Solution Moving to Node #0,3,1 Current State: 52:[67, 50], Operations: ['85-64=21', '71-21=50'] Exploring Operation: 67-50=17, Resulting Numbers: [17] 17,52 unequal: No Solution Exploring Operation: 67*50=3350, Resulting Numbers: [3350] 3350,52 unequal: No Solution Exploring Operation: 67+50=117, Resulting Numbers: [117] 117,52 unequal: No Solution Moving to Node #0,3,3 Current State: 52:[71, 46], Operations: ['85-64=21', '67-21=46'] Exploring Operation: 71+46=117, Resulting Numbers: [117] 117,52 unequal: No Solution Exploring Operation: 71*46=3266, Resulting Numbers: [3266] 3266,52 unequal: No Solution Exploring Operation: 71-46=25, Resulting Numbers: [25] 25,52 unequal: No Solution Moving to Node #0,3,0 Current State: 52:[67, 92], Operations: ['85-64=21', '71+21=92'] Exploring Operation: 92-67=25, Resulting Numbers: [25] 25,52 unequal: No Solution Exploring Operation: 67*92=6164, Resulting Numbers: [6164] 6164,52 unequal: No Solution Exploring Operation: 67+92=159, Resulting Numbers: [159] 159,52 unequal: No Solution Moving to Node #0,3,2 Current State: 52:[71, 88], Operations: ['85-64=21', '67+21=88'] Exploring Operation: 71*88=6248, Resulting Numbers: [6248] 6248,52 unequal: No Solution Exploring Operation: 88-71=17, Resulting Numbers: [17] 17,52 unequal: No Solution Exploring Operation: 71+88=159, Resulting Numbers: [159] 159,52 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 88, 84, 49, 28 ]
25
[ "88-84=4", "49-28=21", "4+21=25" ]
Current State: 25:[88, 84, 49, 28], Operations: [] Exploring Operation: 88-84=4, Resulting Numbers: [49, 28, 4] Generated Node #2: [49, 28, 4] from Operation: 88-84=4 Current State: 25:[49, 28, 4], Operations: ['88-84=4'] Exploring Operation: 49-28=21, Resulting Numbers: [4, 21] Generated Node #3: [4, 21] from Operation: 49-28=21 Current State: 25:[4, 21], Operations: ['88-84=4', '49-28=21'] Exploring Operation: 4+21=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[88, 84, 49, 28], Operations: [] Exploring Operation: 88-49=39, Resulting Numbers: [84, 28, 39] Generated Node #0,0: 25:[84, 28, 39] Operation: 88-49=39 Exploring Operation: 84-49=35, Resulting Numbers: [88, 28, 35] Generated Node #0,1: 25:[88, 28, 35] Operation: 84-49=35 Exploring Operation: 84/28=3, Resulting Numbers: [88, 49, 3] Generated Node #0,2: 25:[88, 49, 3] Operation: 84/28=3 Exploring Operation: 88-84=4, Resulting Numbers: [49, 28, 4] Generated Node #0,3: 25:[49, 28, 4] Operation: 88-84=4 Start Sub Search at level 1: Moving to Node #0,3 Current State: 25:[49, 28, 4], Operations: ['88-84=4'] Exploring Operation: 28-4=24, Resulting Numbers: [49, 24] Generated Node #0,3,0: 25:[49, 24] Operation: 28-4=24 Exploring Operation: 49-4=45, Resulting Numbers: [28, 45] Generated Node #0,3,1: 25:[28, 45] Operation: 49-4=45 Exploring Operation: 28/4=7, Resulting Numbers: [49, 7] Generated Node #0,3,2: 25:[49, 7] Operation: 28/4=7 Exploring Operation: 49-28=21, Resulting Numbers: [4, 21] Generated Node #0,3,3: 25:[4, 21] Operation: 49-28=21 Moving to Node #0,3,3 Current State: 25:[4, 21], Operations: ['88-84=4', '49-28=21'] Exploring Operation: 21-4=17, Resulting Numbers: [17] 17,25 unequal: No Solution Exploring Operation: 4*21=84, Resulting Numbers: [84] 84,25 unequal: No Solution Exploring Operation: 4+21=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Moving to Node #0 Current State: 25:[88, 84, 49, 28], Operations: [] Exploring Operation: 88-84=4, Resulting Numbers: [49, 28, 4] Generated Node #0,3: 25:[49, 28, 4] Operation: 88-84=4 Moving to Node #0,3 Current State: 25:[49, 28, 4], Operations: ['88-84=4'] Exploring Operation: 49-28=21, Resulting Numbers: [4, 21] Generated Node #0,3,3: 25:[4, 21] Operation: 49-28=21 Moving to Node #0,3,3 Current State: 25:[4, 21], Operations: ['88-84=4', '49-28=21'] Exploring Operation: 4+21=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_4
mult_heuristic
[ 2, 38, 68, 34 ]
94
[ "68-38=30", "2*30=60", "34+60=94" ]
Current State: 94:[2, 38, 68, 34], Operations: [] Exploring Operation: 68-38=30, Resulting Numbers: [2, 34, 30] Generated Node #2: [2, 34, 30] from Operation: 68-38=30 Current State: 94:[2, 34, 30], Operations: ['68-38=30'] Exploring Operation: 2*30=60, Resulting Numbers: [34, 60] Generated Node #3: [34, 60] from Operation: 2*30=60 Current State: 94:[34, 60], Operations: ['68-38=30', '2*30=60'] Exploring Operation: 34+60=94, Resulting Numbers: [94] 94,94 equal: Goal Reached
4
Current State: 94:[2, 38, 68, 34], Operations: [] Exploring Operation: 68/34=2, Resulting Numbers: [2, 38, 2] Generated Node #0,0: 94:[2, 38, 2] Operation: 68/34=2 Exploring Operation: 68-34=34, Resulting Numbers: [2, 38, 34] Generated Node #0,1: 94:[2, 38, 34] Operation: 68-34=34 Exploring Operation: 68+34=102, Resulting Numbers: [2, 38, 102] Generated Node #0,2: 94:[2, 38, 102] Operation: 68+34=102 Moving to Node #0,0 Current State: 94:[2, 38, 2], Operations: ['68/34=2'] Exploring Operation: 2+38=40, Resulting Numbers: [2, 40] Generated Node #0,0,0: 94:[2, 40] Operation: 2+38=40 Exploring Operation: 38+2=40, Resulting Numbers: [2, 40] Generated Node #0,0,1: 94:[2, 40] Operation: 38+2=40 Exploring Operation: 2/2=1, Resulting Numbers: [38, 1] Generated Node #0,0,2: 94:[38, 1] Operation: 2/2=1 Moving to Node #0,2 Current State: 94:[2, 38, 102], Operations: ['68+34=102'] Exploring Operation: 102-2=100, Resulting Numbers: [38, 100] Generated Node #0,2,0: 94:[38, 100] Operation: 102-2=100 Exploring Operation: 2+38=40, Resulting Numbers: [102, 40] Generated Node #0,2,1: 94:[102, 40] Operation: 2+38=40 Exploring Operation: 102/2=51, Resulting Numbers: [38, 51] Generated Node #0,2,2: 94:[38, 51] Operation: 102/2=51 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 94:[38, 51], Operations: ['68+34=102', '102/2=51'] Exploring Operation: 38*51=1938, Resulting Numbers: [1938] 1938,94 unequal: No Solution Exploring Operation: 51-38=13, Resulting Numbers: [13] 13,94 unequal: No Solution Exploring Operation: 38+51=89, Resulting Numbers: [89] 89,94 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:[38, 100], Operations: ['68+34=102', '102-2=100'] Exploring Operation: 100-38=62, Resulting Numbers: [62] 62,94 unequal: No Solution Exploring Operation: 38*100=3800, Resulting Numbers: [3800] 3800,94 unequal: No Solution Exploring Operation: 38+100=138, Resulting Numbers: [138] 138,94 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:[102, 40], Operations: ['68+34=102', '2+38=40'] Exploring Operation: 102-40=62, Resulting Numbers: [62] 62,94 unequal: No Solution Exploring Operation: 102*40=4080, Resulting Numbers: [4080] 4080,94 unequal: No Solution Exploring Operation: 102+40=142, Resulting Numbers: [142] 142,94 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:[2, 38, 34], Operations: ['68-34=34'] Exploring Operation: 2+34=36, Resulting Numbers: [38, 36] Generated Node #0,1,0: 94:[38, 36] Operation: 2+34=36 Exploring Operation: 38-34=4, Resulting Numbers: [2, 4] Generated Node #0,1,1: 94:[2, 4] Operation: 38-34=4 Exploring Operation: 2+38=40, Resulting Numbers: [34, 40] Generated Node #0,1,2: 94:[34, 40] Operation: 2+38=40 Moving to Node #0,1,1 Current State: 94:[2, 4], Operations: ['68-34=34', '38-34=4'] Exploring Operation: 4-2=2, Resulting Numbers: [2] 2,94 unequal: No Solution Exploring Operation: 2+4=6, Resulting Numbers: [6] 6,94 unequal: No Solution Exploring Operation: 4/2=2, Resulting Numbers: [2] 2,94 unequal: No Solution Moving to Node #0,0,0 Current State: 94:[2, 40], Operations: ['68/34=2', '2+38=40'] Exploring Operation: 2+40=42, Resulting Numbers: [42] 42,94 unequal: No Solution Exploring Operation: 2*40=80, Resulting Numbers: [80] 80,94 unequal: No Solution Exploring Operation: 40-2=38, Resulting Numbers: [38] 38,94 unequal: No Solution Moving to Node #0,0,1 Current State: 94:[2, 40], Operations: ['68/34=2', '38+2=40'] Exploring Operation: 2+40=42, Resulting Numbers: [42] 42,94 unequal: No Solution Exploring Operation: 2*40=80, Resulting Numbers: [80] 80,94 unequal: No Solution Exploring Operation: 40-2=38, Resulting Numbers: [38] 38,94 unequal: No Solution Moving to Node #0,0,2 Current State: 94:[38, 1], Operations: ['68/34=2', '2/2=1'] Exploring Operation: 38/1=38, Resulting Numbers: [38] 38,94 unequal: No Solution Exploring Operation: 38+1=39, Resulting Numbers: [39] 39,94 unequal: No Solution Exploring Operation: 38*1=38, Resulting Numbers: [38] 38,94 unequal: No Solution Moving to Node #0,1,2 Current State: 94:[34, 40], Operations: ['68-34=34', '2+38=40'] Exploring Operation: 34+40=74, Resulting Numbers: [74] 74,94 unequal: No Solution Exploring Operation: 34*40=1360, Resulting Numbers: [1360] 1360,94 unequal: No Solution Exploring Operation: 40-34=6, Resulting Numbers: [6] 6,94 unequal: No Solution Moving to Node #0,1,0 Current State: 94:[38, 36], Operations: ['68-34=34', '2+34=36'] Exploring Operation: 38+36=74, Resulting Numbers: [74] 74,94 unequal: No Solution Exploring Operation: 38-36=2, Resulting Numbers: [2] 2,94 unequal: No Solution Exploring Operation: 38*36=1368, Resulting Numbers: [1368] 1368,94 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 68, 37, 46, 19 ]
78
[ "68+37=105", "46-19=27", "105-27=78" ]
Current State: 78:[68, 37, 46, 19], Operations: [] Exploring Operation: 68+37=105, Resulting Numbers: [46, 19, 105] Generated Node #2: [46, 19, 105] from Operation: 68+37=105 Current State: 78:[46, 19, 105], Operations: ['68+37=105'] Exploring Operation: 46-19=27, Resulting Numbers: [105, 27] Generated Node #3: [105, 27] from Operation: 46-19=27 Current State: 78:[105, 27], Operations: ['68+37=105', '46-19=27'] Exploring Operation: 105-27=78, Resulting Numbers: [78] 78,78 equal: Goal Reached
4
Current State: 78:[68, 37, 46, 19], Operations: [] Exploring Operation: 68-46=22, Resulting Numbers: [37, 19, 22] Generated Node #0,0: 78:[37, 19, 22] Operation: 68-46=22 Exploring Operation: 68-37=31, Resulting Numbers: [46, 19, 31] Generated Node #0,1: 78:[46, 19, 31] Operation: 68-37=31 Exploring Operation: 46-19=27, Resulting Numbers: [68, 37, 27] Generated Node #0,2: 78:[68, 37, 27] Operation: 46-19=27 Start Sub Search at level 1: Moving to Node #0,0 Current State: 78:[37, 19, 22], Operations: ['68-46=22'] Exploring Operation: 22-19=3, Resulting Numbers: [37, 3] Generated Node #0,0,0: 78:[37, 3] Operation: 22-19=3 Exploring Operation: 19+22=41, Resulting Numbers: [37, 41] Generated Node #0,0,1: 78:[37, 41] Operation: 19+22=41 Exploring Operation: 37-22=15, Resulting Numbers: [19, 15] Generated Node #0,0,2: 78:[19, 15] Operation: 37-22=15 Moving to Node #0,0,0 Current State: 78:[37, 3], Operations: ['68-46=22', '22-19=3'] Exploring Operation: 37+3=40, Resulting Numbers: [40] 40,78 unequal: No Solution Exploring Operation: 37*3=111, Resulting Numbers: [111] 111,78 unequal: No Solution Exploring Operation: 37-3=34, Resulting Numbers: [34] 34,78 unequal: No Solution Moving to Node #0,0,1 Current State: 78:[37, 41], Operations: ['68-46=22', '19+22=41'] Exploring Operation: 37+41=78, Resulting Numbers: [78] 78,78 equal: Goal Reached Moving to Node #0 Current State: 78:[68, 37, 46, 19], Operations: [] Exploring Operation: 68-46=22, Resulting Numbers: [37, 19, 22] Generated Node #0,0: 78:[37, 19, 22] Operation: 68-46=22 Moving to Node #0,0 Current State: 78:[37, 19, 22], Operations: ['68-46=22'] Exploring Operation: 19+22=41, Resulting Numbers: [37, 41] Generated Node #0,0,1: 78:[37, 41] Operation: 19+22=41 Moving to Node #0,0,1 Current State: 78:[37, 41], Operations: ['68-46=22', '19+22=41'] Exploring Operation: 37+41=78, Resulting Numbers: [78] 78,78 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_3
mult_heuristic
[ 93, 31, 39, 42 ]
62
[ "42-39=3", "93/3=31", "31+31=62" ]
Current State: 62:[93, 31, 39, 42], Operations: [] Exploring Operation: 42-39=3, Resulting Numbers: [93, 31, 3] Generated Node #2: [93, 31, 3] from Operation: 42-39=3 Current State: 62:[93, 31, 3], Operations: ['42-39=3'] Exploring Operation: 93/3=31, Resulting Numbers: [31, 31] Generated Node #3: [31, 31] from Operation: 93/3=31 Current State: 62:[31, 31], Operations: ['42-39=3', '93/3=31'] Exploring Operation: 31+31=62, Resulting Numbers: [62] 62,62 equal: Goal Reached
4
Current State: 62:[93, 31, 39, 42], Operations: [] Exploring Operation: 42-39=3, Resulting Numbers: [93, 31, 3] Generated Node #0,0: 62:[93, 31, 3] Operation: 42-39=3 Exploring Operation: 93-39=54, Resulting Numbers: [31, 42, 54] Generated Node #0,1: 62:[31, 42, 54] Operation: 93-39=54 Exploring Operation: 93-31=62, Resulting Numbers: [39, 42, 62] Generated Node #0,2: 62:[39, 42, 62] Operation: 93-31=62 Exploring Operation: 93-42=51, Resulting Numbers: [31, 39, 51] Generated Node #0,3: 62:[31, 39, 51] Operation: 93-42=51 Exploring Operation: 93/31=3, Resulting Numbers: [39, 42, 3] Generated Node #0,4: 62:[39, 42, 3] Operation: 93/31=3 Moving to Node #0,1 Current State: 62:[31, 42, 54], Operations: ['93-39=54'] Exploring Operation: 42-31=11, Resulting Numbers: [54, 11] Generated Node #0,1,0: 62:[54, 11] Operation: 42-31=11 Exploring Operation: 31+42=73, Resulting Numbers: [54, 73] Generated Node #0,1,1: 62:[54, 73] Operation: 31+42=73 Exploring Operation: 31+54=85, Resulting Numbers: [42, 85] Generated Node #0,1,2: 62:[42, 85] Operation: 31+54=85 Exploring Operation: 54-42=12, Resulting Numbers: [31, 12] Generated Node #0,1,3: 62:[31, 12] Operation: 54-42=12 Exploring Operation: 54-31=23, Resulting Numbers: [42, 23] Generated Node #0,1,4: 62:[42, 23] Operation: 54-31=23 Moving to Node #0,3 Current State: 62:[31, 39, 51], Operations: ['93-42=51'] Exploring Operation: 31+39=70, Resulting Numbers: [51, 70] Generated Node #0,3,0: 62:[51, 70] Operation: 31+39=70 Exploring Operation: 31+51=82, Resulting Numbers: [39, 82] Generated Node #0,3,1: 62:[39, 82] Operation: 31+51=82 Exploring Operation: 39-31=8, Resulting Numbers: [51, 8] Generated Node #0,3,2: 62:[51, 8] Operation: 39-31=8 Exploring Operation: 51-31=20, Resulting Numbers: [39, 20] Generated Node #0,3,3: 62:[39, 20] Operation: 51-31=20 Exploring Operation: 51-39=12, Resulting Numbers: [31, 12] Generated Node #0,3,4: 62:[31, 12] Operation: 51-39=12 Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 62:[31, 12], Operations: ['93-42=51', '51-39=12'] Exploring Operation: 31*12=372, Resulting Numbers: [372] 372,62 unequal: No Solution Exploring Operation: 31+12=43, Resulting Numbers: [43] 43,62 unequal: No Solution Exploring Operation: 31-12=19, Resulting Numbers: [19] 19,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 62:[51, 8], Operations: ['93-42=51', '39-31=8'] Exploring Operation: 51*8=408, Resulting Numbers: [408] 408,62 unequal: No Solution Exploring Operation: 51+8=59, Resulting Numbers: [59] 59,62 unequal: No Solution Exploring Operation: 51-8=43, Resulting Numbers: [43] 43,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 62:[51, 70], Operations: ['93-42=51', '31+39=70'] Exploring Operation: 51*70=3570, Resulting Numbers: [3570] 3570,62 unequal: No Solution Exploring Operation: 70-51=19, Resulting Numbers: [19] 19,62 unequal: No Solution Exploring Operation: 51+70=121, Resulting Numbers: [121] 121,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 62:[39, 20], Operations: ['93-42=51', '51-31=20'] Exploring Operation: 39*20=780, Resulting Numbers: [780] 780,62 unequal: No Solution Exploring Operation: 39-20=19, Resulting Numbers: [19] 19,62 unequal: No Solution Exploring Operation: 39+20=59, Resulting Numbers: [59] 59,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 62:[39, 82], Operations: ['93-42=51', '31+51=82'] Exploring Operation: 82-39=43, Resulting Numbers: [43] 43,62 unequal: No Solution Exploring Operation: 39*82=3198, Resulting Numbers: [3198] 3198,62 unequal: No Solution Exploring Operation: 39+82=121, Resulting Numbers: [121] 121,62 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: 62:[39, 42, 62], Operations: ['93-31=62'] Exploring Operation: 62-42=20, Resulting Numbers: [39, 20] Generated Node #0,2,0: 62:[39, 20] Operation: 62-42=20 Exploring Operation: 62-39=23, Resulting Numbers: [42, 23] Generated Node #0,2,1: 62:[42, 23] Operation: 62-39=23 Exploring Operation: 42-39=3, Resulting Numbers: [62, 3] Generated Node #0,2,2: 62:[62, 3] Operation: 42-39=3 Exploring Operation: 39+42=81, Resulting Numbers: [62, 81] Generated Node #0,2,3: 62:[62, 81] Operation: 39+42=81 Exploring Operation: 39+62=101, Resulting Numbers: [42, 101] Generated Node #0,2,4: 62:[42, 101] Operation: 39+62=101 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 62:[62, 3], Operations: ['93-31=62', '42-39=3'] Exploring Operation: 62+3=65, Resulting Numbers: [65] 65,62 unequal: No Solution Exploring Operation: 62*3=186, Resulting Numbers: [186] 186,62 unequal: No Solution Exploring Operation: 62-3=59, Resulting Numbers: [59] 59,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 62:[39, 20], Operations: ['93-31=62', '62-42=20'] Exploring Operation: 39+20=59, Resulting Numbers: [59] 59,62 unequal: No Solution Exploring Operation: 39*20=780, Resulting Numbers: [780] 780,62 unequal: No Solution Exploring Operation: 39-20=19, Resulting Numbers: [19] 19,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 62:[42, 23], Operations: ['93-31=62', '62-39=23'] Exploring Operation: 42-23=19, Resulting Numbers: [19] 19,62 unequal: No Solution Exploring Operation: 42+23=65, Resulting Numbers: [65] 65,62 unequal: No Solution Exploring Operation: 42*23=966, Resulting Numbers: [966] 966,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 62:[62, 81], Operations: ['93-31=62', '39+42=81'] Exploring Operation: 81-62=19, Resulting Numbers: [19] 19,62 unequal: No Solution Exploring Operation: 62+81=143, Resulting Numbers: [143] 143,62 unequal: No Solution Exploring Operation: 62*81=5022, Resulting Numbers: [5022] 5022,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 62:[42, 101], Operations: ['93-31=62', '39+62=101'] Exploring Operation: 42*101=4242, Resulting Numbers: [4242] 4242,62 unequal: No Solution Exploring Operation: 42+101=143, Resulting Numbers: [143] 143,62 unequal: No Solution Exploring Operation: 101-42=59, Resulting Numbers: [59] 59,62 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: 62:[39, 42, 3], Operations: ['93/31=3'] Exploring Operation: 42/3=14, Resulting Numbers: [39, 14] Generated Node #0,4,0: 62:[39, 14] Operation: 42/3=14 Exploring Operation: 39+42=81, Resulting Numbers: [3, 81] Generated Node #0,4,1: 62:[3, 81] Operation: 39+42=81 Exploring Operation: 42-39=3, Resulting Numbers: [3, 3] Generated Node #0,4,2: 62:[3, 3] Operation: 42-39=3 Exploring Operation: 39-3=36, Resulting Numbers: [42, 36] Generated Node #0,4,3: 62:[42, 36] Operation: 39-3=36 Exploring Operation: 42-3=39, Resulting Numbers: [39, 39] Generated Node #0,4,4: 62:[39, 39] Operation: 42-3=39 Moving to Node #0,0 Current State: 62:[93, 31, 3], Operations: ['42-39=3'] Exploring Operation: 93-31=62, Resulting Numbers: [3, 62] Generated Node #0,0,0: 62:[3, 62] Operation: 93-31=62 Exploring Operation: 93/31=3, Resulting Numbers: [3, 3] Generated Node #0,0,1: 62:[3, 3] Operation: 93/31=3 Exploring Operation: 93/3=31, Resulting Numbers: [31, 31] Generated Node #0,0,2: 62:[31, 31] Operation: 93/3=31 Exploring Operation: 93-3=90, Resulting Numbers: [31, 90] Generated Node #0,0,3: 62:[31, 90] Operation: 93-3=90 Exploring Operation: 93+3=96, Resulting Numbers: [31, 96] Generated Node #0,0,4: 62:[31, 96] Operation: 93+3=96 Moving to Node #0,0,2 Current State: 62:[31, 31], Operations: ['42-39=3', '93/3=31'] Exploring Operation: 31+31=62, Resulting Numbers: [62] 62,62 equal: Goal Reached Moving to Node #0 Current State: 62:[93, 31, 39, 42], Operations: [] Exploring Operation: 42-39=3, Resulting Numbers: [93, 31, 3] Generated Node #0,0: 62:[93, 31, 3] Operation: 42-39=3 Moving to Node #0,0 Current State: 62:[93, 31, 3], Operations: ['42-39=3'] Exploring Operation: 93/3=31, Resulting Numbers: [31, 31] Generated Node #0,0,2: 62:[31, 31] Operation: 93/3=31 Moving to Node #0,0,2 Current State: 62:[31, 31], Operations: ['42-39=3', '93/3=31'] Exploring Operation: 31+31=62, Resulting Numbers: [62] 62,62 equal: Goal Reached
0.943576
hs_5
mult_heuristic
[ 60, 30, 60, 20 ]
82
[ "60/30=2", "60+20=80", "2+80=82" ]
Current State: 82:[60, 30, 60, 20], Operations: [] Exploring Operation: 60/30=2, Resulting Numbers: [20, 2] Generated Node #2: [20, 2] from Operation: 60/30=2 Current State: 82:[20, 2], Operations: ['60/30=2'] Exploring Operation: 60+20=80, Resulting Numbers: [2, 80] Generated Node #3: [2, 80] from Operation: 60+20=80 Current State: 82:[2, 80], Operations: ['60/30=2', '60+20=80'] Exploring Operation: 2+80=82, Resulting Numbers: [82] 82,82 equal: Goal Reached
4
Current State: 82:[60, 30, 60, 20], Operations: [] Exploring Operation: 60/60=1, Resulting Numbers: [30, 20, 1] Generated Node #0,0: 82:[30, 20, 1] Operation: 60/60=1 Moving to Node #0,0 Current State: 82:[30, 20, 1], Operations: ['60/60=1'] Exploring Operation: 30-20=10, Resulting Numbers: [1, 10] Generated Node #0,0,0: 82:[1, 10] Operation: 30-20=10 Moving to Node #0,0,0 Current State: 82:[1, 10], Operations: ['60/60=1', '30-20=10'] Exploring Operation: 10-1=9, Resulting Numbers: [9] 9,82 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 63, 31, 67, 47 ]
64
[ "67-63=4", "47-31=16", "4*16=64" ]
Current State: 64:[63, 31, 67, 47], Operations: [] Exploring Operation: 67-63=4, Resulting Numbers: [31, 47, 4] Generated Node #2: [31, 47, 4] from Operation: 67-63=4 Current State: 64:[31, 47, 4], Operations: ['67-63=4'] Exploring Operation: 47-31=16, Resulting Numbers: [4, 16] Generated Node #3: [4, 16] from Operation: 47-31=16 Current State: 64:[4, 16], Operations: ['67-63=4', '47-31=16'] Exploring Operation: 4*16=64, Resulting Numbers: [64] 64,64 equal: Goal Reached
4
Current State: 64:[63, 31, 67, 47], Operations: [] Exploring Operation: 63-47=16, Resulting Numbers: [31, 67, 16] Generated Node #0,0: 64:[31, 67, 16] Operation: 63-47=16 Exploring Operation: 67-47=20, Resulting Numbers: [63, 31, 20] Generated Node #0,1: 64:[63, 31, 20] Operation: 67-47=20 Exploring Operation: 47-31=16, Resulting Numbers: [63, 67, 16] Generated Node #0,2: 64:[63, 67, 16] Operation: 47-31=16 Moving to Node #0,0 Current State: 64:[31, 67, 16], Operations: ['63-47=16'] Exploring Operation: 31-16=15, Resulting Numbers: [67, 15] Generated Node #0,0,0: 64:[67, 15] Operation: 31-16=15 Exploring Operation: 67-31=36, Resulting Numbers: [16, 36] Generated Node #0,0,1: 64:[16, 36] Operation: 67-31=36 Exploring Operation: 67-16=51, Resulting Numbers: [31, 51] Generated Node #0,0,2: 64:[31, 51] Operation: 67-16=51 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 64:[67, 15], Operations: ['63-47=16', '31-16=15'] Exploring Operation: 67-15=52, Resulting Numbers: [52] 52,64 unequal: No Solution Exploring Operation: 67*15=1005, Resulting Numbers: [1005] 1005,64 unequal: No Solution Exploring Operation: 67+15=82, Resulting Numbers: [82] 82,64 unequal: No Solution No 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: 64:[16, 36], Operations: ['63-47=16', '67-31=36'] Exploring Operation: 36-16=20, Resulting Numbers: [20] 20,64 unequal: No Solution Exploring Operation: 16*36=576, Resulting Numbers: [576] 576,64 unequal: No Solution Exploring Operation: 16+36=52, Resulting Numbers: [52] 52,64 unequal: No Solution No 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: 64:[31, 51], Operations: ['63-47=16', '67-16=51'] Exploring Operation: 31*51=1581, Resulting Numbers: [1581] 1581,64 unequal: No Solution Exploring Operation: 31+51=82, Resulting Numbers: [82] 82,64 unequal: No Solution Exploring Operation: 51-31=20, Resulting Numbers: [20] 20,64 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: 64:[63, 67, 16], Operations: ['47-31=16'] Exploring Operation: 67-16=51, Resulting Numbers: [63, 51] Generated Node #0,2,0: 64:[63, 51] Operation: 67-16=51 Exploring Operation: 67-63=4, Resulting Numbers: [16, 4] Generated Node #0,2,1: 64:[16, 4] Operation: 67-63=4 Exploring Operation: 63+16=79, Resulting Numbers: [67, 79] Generated Node #0,2,2: 64:[67, 79] Operation: 63+16=79 Moving to Node #0,1 Current State: 64:[63, 31, 20], Operations: ['67-47=20'] Exploring Operation: 63-31=32, Resulting Numbers: [20, 32] Generated Node #0,1,0: 64:[20, 32] Operation: 63-31=32 Exploring Operation: 63-20=43, Resulting Numbers: [31, 43] Generated Node #0,1,1: 64:[31, 43] Operation: 63-20=43 Exploring Operation: 31-20=11, Resulting Numbers: [63, 11] Generated Node #0,1,2: 64:[63, 11] Operation: 31-20=11 Moving to Node #0,2,1 Current State: 64:[16, 4], Operations: ['47-31=16', '67-63=4'] Exploring Operation: 16+4=20, Resulting Numbers: [20] 20,64 unequal: No Solution Exploring Operation: 16/4=4, Resulting Numbers: [4] 4,64 unequal: No Solution Exploring Operation: 16*4=64, Resulting Numbers: [64] 64,64 equal: Goal Reached Moving to Node #0 Current State: 64:[63, 31, 67, 47], Operations: [] Exploring Operation: 47-31=16, Resulting Numbers: [63, 67, 16] Generated Node #0,2: 64:[63, 67, 16] Operation: 47-31=16 Moving to Node #0,2 Current State: 64:[63, 67, 16], Operations: ['47-31=16'] Exploring Operation: 67-63=4, Resulting Numbers: [16, 4] Generated Node #0,2,1: 64:[16, 4] Operation: 67-63=4 Moving to Node #0,2,1 Current State: 64:[16, 4], Operations: ['47-31=16', '67-63=4'] Exploring Operation: 16*4=64, Resulting Numbers: [64] 64,64 equal: Goal Reached
0.975694
hs_3
mult_heuristic
[ 22, 73, 50, 14 ]
13
[ "73-22=51", "50+14=64", "64-51=13" ]
Current State: 13:[22, 73, 50, 14], Operations: [] Exploring Operation: 73-22=51, Resulting Numbers: [50, 14, 51] Generated Node #2: [50, 14, 51] from Operation: 73-22=51 Current State: 13:[50, 14, 51], Operations: ['73-22=51'] Exploring Operation: 50+14=64, Resulting Numbers: [51, 64] Generated Node #3: [51, 64] from Operation: 50+14=64 Current State: 13:[51, 64], Operations: ['73-22=51', '50+14=64'] Exploring Operation: 64-51=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
4
Current State: 13:[22, 73, 50, 14], Operations: [] Exploring Operation: 50-22=28, Resulting Numbers: [73, 14, 28] Generated Node #0,0: 13:[73, 14, 28] Operation: 50-22=28 Exploring Operation: 50-14=36, Resulting Numbers: [22, 73, 36] Generated Node #0,1: 13:[22, 73, 36] Operation: 50-14=36 Exploring Operation: 73-22=51, Resulting Numbers: [50, 14, 51] Generated Node #0,2: 13:[50, 14, 51] Operation: 73-22=51 Exploring Operation: 73-50=23, Resulting Numbers: [22, 14, 23] Generated Node #0,3: 13:[22, 14, 23] Operation: 73-50=23 Exploring Operation: 73-14=59, Resulting Numbers: [22, 50, 59] Generated Node #0,4: 13:[22, 50, 59] Operation: 73-14=59 Moving to Node #0,3 Current State: 13:[22, 14, 23], Operations: ['73-50=23'] Exploring Operation: 22-14=8, Resulting Numbers: [23, 8] Generated Node #0,3,0: 13:[23, 8] Operation: 22-14=8 Exploring Operation: 22+14=36, Resulting Numbers: [23, 36] Generated Node #0,3,1: 13:[23, 36] Operation: 22+14=36 Exploring Operation: 22+23=45, Resulting Numbers: [14, 45] Generated Node #0,3,2: 13:[14, 45] Operation: 22+23=45 Exploring Operation: 23-14=9, Resulting Numbers: [22, 9] Generated Node #0,3,3: 13:[22, 9] Operation: 23-14=9 Exploring Operation: 23-22=1, Resulting Numbers: [14, 1] Generated Node #0,3,4: 13:[14, 1] Operation: 23-22=1 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 13:[22, 9], Operations: ['73-50=23', '23-14=9'] Exploring Operation: 22+9=31, Resulting Numbers: [31] 31,13 unequal: No Solution Exploring Operation: 22*9=198, Resulting Numbers: [198] 198,13 unequal: No Solution Exploring Operation: 22-9=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Moving to Node #0 Current State: 13:[22, 73, 50, 14], Operations: [] Exploring Operation: 73-50=23, Resulting Numbers: [22, 14, 23] Generated Node #0,3: 13:[22, 14, 23] Operation: 73-50=23 Moving to Node #0,3 Current State: 13:[22, 14, 23], Operations: ['73-50=23'] Exploring Operation: 23-14=9, Resulting Numbers: [22, 9] Generated Node #0,3,3: 13:[22, 9] Operation: 23-14=9 Moving to Node #0,3,3 Current State: 13:[22, 9], Operations: ['73-50=23', '23-14=9'] Exploring Operation: 22-9=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_5
mult_heuristic
[ 67, 59, 75, 91 ]
89
[ "59+75=134", "134/67=2", "91-2=89" ]
Current State: 89:[67, 59, 75, 91], Operations: [] Exploring Operation: 59+75=134, Resulting Numbers: [67, 91, 134] Generated Node #2: [67, 91, 134] from Operation: 59+75=134 Current State: 89:[67, 91, 134], Operations: ['59+75=134'] Exploring Operation: 134/67=2, Resulting Numbers: [91, 2] Generated Node #3: [91, 2] from Operation: 134/67=2 Current State: 89:[91, 2], Operations: ['59+75=134', '134/67=2'] Exploring Operation: 91-2=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
4
Current State: 89:[67, 59, 75, 91], Operations: [] Exploring Operation: 59+75=134, Resulting Numbers: [67, 91, 134] Generated Node #0,0: 89:[67, 91, 134] Operation: 59+75=134 Exploring Operation: 67+59=126, Resulting Numbers: [75, 91, 126] Generated Node #0,1: 89:[75, 91, 126] Operation: 67+59=126 Start Sub Search at level 1: Moving to Node #0,1 Current State: 89:[75, 91, 126], Operations: ['67+59=126'] Exploring Operation: 126-75=51, Resulting Numbers: [91, 51] Generated Node #0,1,0: 89:[91, 51] Operation: 126-75=51 Exploring Operation: 126-91=35, Resulting Numbers: [75, 35] Generated Node #0,1,1: 89:[75, 35] Operation: 126-91=35 Moving to Node #0,1,0 Current State: 89:[91, 51], Operations: ['67+59=126', '126-75=51'] Exploring Operation: 91-51=40, Resulting Numbers: [40] 40,89 unequal: No Solution Exploring Operation: 91+51=142, Resulting Numbers: [142] 142,89 unequal: No Solution Moving to Node #0,1,1 Current State: 89:[75, 35], Operations: ['67+59=126', '126-91=35'] Exploring Operation: 75-35=40, Resulting Numbers: [40] 40,89 unequal: No Solution Exploring Operation: 75+35=110, Resulting Numbers: [110] 110,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 89:[67, 91, 134], Operations: ['59+75=134'] Exploring Operation: 134-67=67, Resulting Numbers: [91, 67] Generated Node #0,0,0: 89:[91, 67] Operation: 134-67=67 Exploring Operation: 134-91=43, Resulting Numbers: [67, 43] Generated Node #0,0,1: 89:[67, 43] Operation: 134-91=43 Moving to Node #0,0,0 Current State: 89:[91, 67], Operations: ['59+75=134', '134-67=67'] Exploring Operation: 91-67=24, Resulting Numbers: [24] 24,89 unequal: No Solution Exploring Operation: 91+67=158, Resulting Numbers: [158] 158,89 unequal: No Solution Moving to Node #0,0,1 Current State: 89:[67, 43], Operations: ['59+75=134', '134-91=43'] Exploring Operation: 67-43=24, Resulting Numbers: [24] 24,89 unequal: No Solution Exploring Operation: 67+43=110, Resulting Numbers: [110] 110,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 93, 61, 8, 17 ]
21
[ "93-61=32", "32/8=4", "17+4=21" ]
Current State: 21:[93, 61, 8, 17], Operations: [] Exploring Operation: 93-61=32, Resulting Numbers: [8, 17, 32] Generated Node #2: [8, 17, 32] from Operation: 93-61=32 Current State: 21:[8, 17, 32], Operations: ['93-61=32'] Exploring Operation: 32/8=4, Resulting Numbers: [17, 4] Generated Node #3: [17, 4] from Operation: 32/8=4 Current State: 21:[17, 4], Operations: ['93-61=32', '32/8=4'] Exploring Operation: 17+4=21, Resulting Numbers: [21] 21,21 equal: Goal Reached
4
Current State: 21:[93, 61, 8, 17], Operations: [] Exploring Operation: 93-17=76, Resulting Numbers: [61, 8, 76] Generated Node #0,0: 21:[61, 8, 76] Operation: 93-17=76 Exploring Operation: 93-61=32, Resulting Numbers: [8, 17, 32] Generated Node #0,1: 21:[8, 17, 32] Operation: 93-61=32 Moving to Node #0,1 Current State: 21:[8, 17, 32], Operations: ['93-61=32'] Exploring Operation: 32/8=4, Resulting Numbers: [17, 4] Generated Node #0,1,0: 21:[17, 4] Operation: 32/8=4 Exploring Operation: 32-8=24, Resulting Numbers: [17, 24] Generated Node #0,1,1: 21:[17, 24] Operation: 32-8=24 Moving to Node #0,0 Current State: 21:[61, 8, 76], Operations: ['93-17=76'] Exploring Operation: 76-61=15, Resulting Numbers: [8, 15] Generated Node #0,0,0: 21:[8, 15] Operation: 76-61=15 Exploring Operation: 61-8=53, Resulting Numbers: [76, 53] Generated Node #0,0,1: 21:[76, 53] Operation: 61-8=53 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 21:[8, 15], Operations: ['93-17=76', '76-61=15'] Exploring Operation: 8+15=23, Resulting Numbers: [23] 23,21 unequal: No Solution Exploring Operation: 15-8=7, Resulting Numbers: [7] 7,21 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 21:[76, 53], Operations: ['93-17=76', '61-8=53'] Exploring Operation: 76-53=23, Resulting Numbers: [23] 23,21 unequal: No Solution Exploring Operation: 76+53=129, Resulting Numbers: [129] 129,21 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1,0 Current State: 21:[17, 4], Operations: ['93-61=32', '32/8=4'] Exploring Operation: 17+4=21, Resulting Numbers: [21] 21,21 equal: Goal Reached Moving to Node #0 Current State: 21:[93, 61, 8, 17], Operations: [] Exploring Operation: 93-61=32, Resulting Numbers: [8, 17, 32] Generated Node #0,1: 21:[8, 17, 32] Operation: 93-61=32 Moving to Node #0,1 Current State: 21:[8, 17, 32], Operations: ['93-61=32'] Exploring Operation: 32/8=4, Resulting Numbers: [17, 4] Generated Node #0,1,0: 21:[17, 4] Operation: 32/8=4 Moving to Node #0,1,0 Current State: 21:[17, 4], Operations: ['93-61=32', '32/8=4'] Exploring Operation: 17+4=21, Resulting Numbers: [21] 21,21 equal: Goal Reached
0.986979
hs_2
sum_heuristic
[ 77, 78, 63, 38 ]
61
[ "77-38=39", "78/39=2", "63-2=61" ]
Current State: 61:[77, 78, 63, 38], Operations: [] Exploring Operation: 77-38=39, Resulting Numbers: [78, 63, 39] Generated Node #2: [78, 63, 39] from Operation: 77-38=39 Current State: 61:[78, 63, 39], Operations: ['77-38=39'] Exploring Operation: 78/39=2, Resulting Numbers: [63, 2] Generated Node #3: [63, 2] from Operation: 78/39=2 Current State: 61:[63, 2], Operations: ['77-38=39', '78/39=2'] Exploring Operation: 63-2=61, Resulting Numbers: [61] 61,61 equal: Goal Reached
4
Current State: 61:[77, 78, 63, 38], Operations: [] Exploring Operation: 77+38=115, Resulting Numbers: [78, 63, 115] Generated Node #0,0: 61:[78, 63, 115] Operation: 77+38=115 Exploring Operation: 77-38=39, Resulting Numbers: [78, 63, 39] Generated Node #0,1: 61:[78, 63, 39] Operation: 77-38=39 Exploring Operation: 78+38=116, Resulting Numbers: [77, 63, 116] Generated Node #0,2: 61:[77, 63, 116] Operation: 78+38=116 Exploring Operation: 78-38=40, Resulting Numbers: [77, 63, 40] Generated Node #0,3: 61:[77, 63, 40] Operation: 78-38=40 Exploring Operation: 63-38=25, Resulting Numbers: [77, 78, 25] Generated Node #0,4: 61:[77, 78, 25] Operation: 63-38=25 Start Sub Search at level 1: Moving to Node #0,3 Current State: 61:[77, 63, 40], Operations: ['78-38=40'] Exploring Operation: 63+40=103, Resulting Numbers: [77, 103] Generated Node #0,3,0: 61:[77, 103] Operation: 63+40=103 Exploring Operation: 63-40=23, Resulting Numbers: [77, 23] Generated Node #0,3,1: 61:[77, 23] Operation: 63-40=23 Exploring Operation: 77+40=117, Resulting Numbers: [63, 117] Generated Node #0,3,2: 61:[63, 117] Operation: 77+40=117 Exploring Operation: 77-40=37, Resulting Numbers: [63, 37] Generated Node #0,3,3: 61:[63, 37] Operation: 77-40=37 Exploring Operation: 77-63=14, Resulting Numbers: [40, 14] Generated Node #0,3,4: 61:[40, 14] Operation: 77-63=14 Moving to Node #0,3,3 Current State: 61:[63, 37], Operations: ['78-38=40', '77-40=37'] Exploring Operation: 63*37=2331, Resulting Numbers: [2331] 2331,61 unequal: No Solution Exploring Operation: 63+37=100, Resulting Numbers: [100] 100,61 unequal: No Solution Exploring Operation: 63-37=26, Resulting Numbers: [26] 26,61 unequal: No Solution Moving to Node #0,3,1 Current State: 61:[77, 23], Operations: ['78-38=40', '63-40=23'] Exploring Operation: 77+23=100, Resulting Numbers: [100] 100,61 unequal: No Solution Exploring Operation: 77-23=54, Resulting Numbers: [54] 54,61 unequal: No Solution Exploring Operation: 77*23=1771, Resulting Numbers: [1771] 1771,61 unequal: No Solution Moving to Node #0,3,0 Current State: 61:[77, 103], Operations: ['78-38=40', '63+40=103'] Exploring Operation: 77*103=7931, Resulting Numbers: [7931] 7931,61 unequal: No Solution Exploring Operation: 103-77=26, Resulting Numbers: [26] 26,61 unequal: No Solution Exploring Operation: 77+103=180, Resulting Numbers: [180] 180,61 unequal: No Solution Moving to Node #0,3,2 Current State: 61:[63, 117], Operations: ['78-38=40', '77+40=117'] Exploring Operation: 63+117=180, Resulting Numbers: [180] 180,61 unequal: No Solution Exploring Operation: 117-63=54, Resulting Numbers: [54] 54,61 unequal: No Solution Exploring Operation: 63*117=7371, Resulting Numbers: [7371] 7371,61 unequal: No Solution Moving to Node #0,3,4 Current State: 61:[40, 14], Operations: ['78-38=40', '77-63=14'] Exploring Operation: 40+14=54, Resulting Numbers: [54] 54,61 unequal: No Solution Exploring Operation: 40*14=560, Resulting Numbers: [560] 560,61 unequal: No Solution Exploring Operation: 40-14=26, Resulting Numbers: [26] 26,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 61:[78, 63, 39], Operations: ['77-38=39'] Exploring Operation: 63-39=24, Resulting Numbers: [78, 24] Generated Node #0,1,0: 61:[78, 24] Operation: 63-39=24 Exploring Operation: 78+39=117, Resulting Numbers: [63, 117] Generated Node #0,1,1: 61:[63, 117] Operation: 78+39=117 Exploring Operation: 78-39=39, Resulting Numbers: [63, 39] Generated Node #0,1,2: 61:[63, 39] Operation: 78-39=39 Exploring Operation: 63+39=102, Resulting Numbers: [78, 102] Generated Node #0,1,3: 61:[78, 102] Operation: 63+39=102 Exploring Operation: 78/39=2, Resulting Numbers: [63, 2] Generated Node #0,1,4: 61:[63, 2] Operation: 78/39=2 Moving to Node #0,1,2 Current State: 61:[63, 39], Operations: ['77-38=39', '78-39=39'] Exploring Operation: 63*39=2457, Resulting Numbers: [2457] 2457,61 unequal: No Solution Exploring Operation: 63+39=102, Resulting Numbers: [102] 102,61 unequal: No Solution Exploring Operation: 63-39=24, Resulting Numbers: [24] 24,61 unequal: No Solution Moving to Node #0,1,0 Current State: 61:[78, 24], Operations: ['77-38=39', '63-39=24'] Exploring Operation: 78*24=1872, Resulting Numbers: [1872] 1872,61 unequal: No Solution Exploring Operation: 78-24=54, Resulting Numbers: [54] 54,61 unequal: No Solution Exploring Operation: 78+24=102, Resulting Numbers: [102] 102,61 unequal: No Solution Moving to Node #0,1,1 Current State: 61:[63, 117], Operations: ['77-38=39', '78+39=117'] Exploring Operation: 63+117=180, Resulting Numbers: [180] 180,61 unequal: No Solution Exploring Operation: 117-63=54, Resulting Numbers: [54] 54,61 unequal: No Solution Exploring Operation: 63*117=7371, Resulting Numbers: [7371] 7371,61 unequal: No Solution Moving to Node #0,1,3 Current State: 61:[78, 102], Operations: ['77-38=39', '63+39=102'] Exploring Operation: 78*102=7956, Resulting Numbers: [7956] 7956,61 unequal: No Solution Exploring Operation: 102-78=24, Resulting Numbers: [24] 24,61 unequal: No Solution Exploring Operation: 78+102=180, Resulting Numbers: [180] 180,61 unequal: No Solution Moving to Node #0,1,4 Current State: 61:[63, 2], Operations: ['77-38=39', '78/39=2'] Exploring Operation: 63-2=61, Resulting Numbers: [61] 61,61 equal: Goal Reached Moving to Node #0 Current State: 61:[77, 78, 63, 38], Operations: [] Exploring Operation: 77-38=39, Resulting Numbers: [78, 63, 39] Generated Node #0,1: 61:[78, 63, 39] Operation: 77-38=39 Moving to Node #0,1 Current State: 61:[78, 63, 39], Operations: ['77-38=39'] Exploring Operation: 78/39=2, Resulting Numbers: [63, 2] Generated Node #0,1,4: 61:[63, 2] Operation: 78/39=2 Moving to Node #0,1,4 Current State: 61:[63, 2], Operations: ['77-38=39', '78/39=2'] Exploring Operation: 63-2=61, Resulting Numbers: [61] 61,61 equal: Goal Reached Exit Sub Search at level 1
0.959201
hs_5
mult_heuristic
[ 34, 3, 12, 41 ]
39
[ "34+41=75", "3*12=36", "75-36=39" ]
Current State: 39:[34, 3, 12, 41], Operations: [] Exploring Operation: 34+41=75, Resulting Numbers: [3, 12, 75] Generated Node #2: [3, 12, 75] from Operation: 34+41=75 Current State: 39:[3, 12, 75], Operations: ['34+41=75'] Exploring Operation: 3*12=36, Resulting Numbers: [75, 36] Generated Node #3: [75, 36] from Operation: 3*12=36 Current State: 39:[75, 36], Operations: ['34+41=75', '3*12=36'] Exploring Operation: 75-36=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
4
Current State: 39:[34, 3, 12, 41], Operations: [] Exploring Operation: 34+3=37, Resulting Numbers: [12, 41, 37] Generated Node #0,0: 39:[12, 41, 37] Operation: 34+3=37 Exploring Operation: 12/3=4, Resulting Numbers: [34, 41, 4] Generated Node #0,1: 39:[34, 41, 4] Operation: 12/3=4 Exploring Operation: 41-34=7, Resulting Numbers: [3, 12, 7] Generated Node #0,2: 39:[3, 12, 7] Operation: 41-34=7 Exploring Operation: 34+12=46, Resulting Numbers: [3, 41, 46] Generated Node #0,3: 39:[3, 41, 46] Operation: 34+12=46 Exploring Operation: 41-3=38, Resulting Numbers: [34, 12, 38] Generated Node #0,4: 39:[34, 12, 38] Operation: 41-3=38 Start Sub Search at level 1: Moving to Node #0,0 Current State: 39:[12, 41, 37], Operations: ['34+3=37'] Exploring Operation: 12+41=53, Resulting Numbers: [37, 53] Generated Node #0,0,0: 39:[37, 53] Operation: 12+41=53 Exploring Operation: 37-12=25, Resulting Numbers: [41, 25] Generated Node #0,0,1: 39:[41, 25] Operation: 37-12=25 Exploring Operation: 41-12=29, Resulting Numbers: [37, 29] Generated Node #0,0,2: 39:[37, 29] Operation: 41-12=29 Exploring Operation: 41-37=4, Resulting Numbers: [12, 4] Generated Node #0,0,3: 39:[12, 4] Operation: 41-37=4 Exploring Operation: 12+37=49, Resulting Numbers: [41, 49] Generated Node #0,0,4: 39:[41, 49] Operation: 12+37=49 Moving to Node #0,0,3 Current State: 39:[12, 4], Operations: ['34+3=37', '41-37=4'] Exploring Operation: 12-4=8, Resulting Numbers: [8] 8,39 unequal: No Solution Exploring Operation: 12/4=3, Resulting Numbers: [3] 3,39 unequal: No Solution Exploring Operation: 12*4=48, Resulting Numbers: [48] 48,39 unequal: No Solution Exploring Operation: 12+4=16, Resulting Numbers: [16] 16,39 unequal: No Solution Moving to Node #0,0,4 Current State: 39:[41, 49], Operations: ['34+3=37', '12+37=49'] Exploring Operation: 49-41=8, Resulting Numbers: [8] 8,39 unequal: No Solution Exploring Operation: 41*49=2009, Resulting Numbers: [2009] 2009,39 unequal: No Solution Exploring Operation: 41+49=90, Resulting Numbers: [90] 90,39 unequal: No Solution Moving to Node #0,0,2 Current State: 39:[37, 29], Operations: ['34+3=37', '41-12=29'] Exploring Operation: 37-29=8, Resulting Numbers: [8] 8,39 unequal: No Solution Exploring Operation: 37+29=66, Resulting Numbers: [66] 66,39 unequal: No Solution Exploring Operation: 37*29=1073, Resulting Numbers: [1073] 1073,39 unequal: No Solution Moving to Node #0,0,1 Current State: 39:[41, 25], Operations: ['34+3=37', '37-12=25'] Exploring Operation: 41*25=1025, Resulting Numbers: [1025] 1025,39 unequal: No Solution Exploring Operation: 41+25=66, Resulting Numbers: [66] 66,39 unequal: No Solution Exploring Operation: 41-25=16, Resulting Numbers: [16] 16,39 unequal: No Solution Moving to Node #0,0,0 Current State: 39:[37, 53], Operations: ['34+3=37', '12+41=53'] Exploring Operation: 37*53=1961, Resulting Numbers: [1961] 1961,39 unequal: No Solution Exploring Operation: 37+53=90, Resulting Numbers: [90] 90,39 unequal: No Solution Exploring Operation: 53-37=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 #0,2 Current State: 39:[3, 12, 7], Operations: ['41-34=7'] Exploring Operation: 12/3=4, Resulting Numbers: [7, 4] Generated Node #0,2,0: 39:[7, 4] Operation: 12/3=4 Exploring Operation: 3+12=15, Resulting Numbers: [7, 15] Generated Node #0,2,1: 39:[7, 15] Operation: 3+12=15 Exploring Operation: 12-7=5, Resulting Numbers: [3, 5] Generated Node #0,2,2: 39:[3, 5] Operation: 12-7=5 Exploring Operation: 7-3=4, Resulting Numbers: [12, 4] Generated Node #0,2,3: 39:[12, 4] Operation: 7-3=4 Exploring Operation: 3+7=10, Resulting Numbers: [12, 10] Generated Node #0,2,4: 39:[12, 10] Operation: 3+7=10 Moving to Node #0,2,2 Current State: 39:[3, 5], Operations: ['41-34=7', '12-7=5'] Exploring Operation: 3+5=8, Resulting Numbers: [8] 8,39 unequal: No Solution Exploring Operation: 3*5=15, Resulting Numbers: [15] 15,39 unequal: No Solution Exploring Operation: 5-3=2, Resulting Numbers: [2] 2,39 unequal: No Solution Moving to Node #0,2,3 Current State: 39:[12, 4], Operations: ['41-34=7', '7-3=4'] Exploring Operation: 12-4=8, Resulting Numbers: [8] 8,39 unequal: No Solution Exploring Operation: 12*4=48, Resulting Numbers: [48] 48,39 unequal: No Solution Exploring Operation: 12/4=3, Resulting Numbers: [3] 3,39 unequal: No Solution Exploring Operation: 12+4=16, Resulting Numbers: [16] 16,39 unequal: No Solution Moving to Node #0,2,4 Current State: 39:[12, 10], Operations: ['41-34=7', '3+7=10'] Exploring Operation: 12+10=22, Resulting Numbers: [22] 22,39 unequal: No Solution Exploring Operation: 12-10=2, Resulting Numbers: [2] 2,39 unequal: No Solution Exploring Operation: 12*10=120, Resulting Numbers: [120] 120,39 unequal: No Solution Moving to Node #0,2,0 Current State: 39:[7, 4], Operations: ['41-34=7', '12/3=4'] Exploring Operation: 7*4=28, Resulting Numbers: [28] 28,39 unequal: No Solution Exploring Operation: 7+4=11, Resulting Numbers: [11] 11,39 unequal: No Solution Exploring Operation: 7-4=3, Resulting Numbers: [3] 3,39 unequal: No Solution Moving to Node #0,2,1 Current State: 39:[7, 15], Operations: ['41-34=7', '3+12=15'] Exploring Operation: 7+15=22, Resulting Numbers: [22] 22,39 unequal: No Solution Exploring Operation: 15-7=8, Resulting Numbers: [8] 8,39 unequal: No Solution Exploring Operation: 7*15=105, Resulting Numbers: [105] 105,39 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 #0,4 Current State: 39:[34, 12, 38], Operations: ['41-3=38'] Exploring Operation: 12+38=50, Resulting Numbers: [34, 50] Generated Node #0,4,0: 39:[34, 50] Operation: 12+38=50 Exploring Operation: 38-34=4, Resulting Numbers: [12, 4] Generated Node #0,4,1: 39:[12, 4] Operation: 38-34=4 Exploring Operation: 38-12=26, Resulting Numbers: [34, 26] Generated Node #0,4,2: 39:[34, 26] Operation: 38-12=26 Exploring Operation: 34+12=46, Resulting Numbers: [38, 46] Generated Node #0,4,3: 39:[38, 46] Operation: 34+12=46 Exploring Operation: 34-12=22, Resulting Numbers: [38, 22] Generated Node #0,4,4: 39:[38, 22] Operation: 34-12=22 Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 39:[12, 4], Operations: ['41-3=38', '38-34=4'] Exploring Operation: 12/4=3, Resulting Numbers: [3] 3,39 unequal: No Solution Exploring Operation: 12-4=8, Resulting Numbers: [8] 8,39 unequal: No Solution Exploring Operation: 12*4=48, Resulting Numbers: [48] 48,39 unequal: No Solution Exploring Operation: 12+4=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 #0,4,3 Current State: 39:[38, 46], Operations: ['41-3=38', '34+12=46'] Exploring Operation: 38*46=1748, Resulting Numbers: [1748] 1748,39 unequal: No Solution Exploring Operation: 46-38=8, Resulting Numbers: [8] 8,39 unequal: No Solution Exploring Operation: 38+46=84, Resulting Numbers: [84] 84,39 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 #0,4,4 Current State: 39:[38, 22], Operations: ['41-3=38', '34-12=22'] Exploring Operation: 38*22=836, Resulting Numbers: [836] 836,39 unequal: No Solution Exploring Operation: 38-22=16, Resulting Numbers: [16] 16,39 unequal: No Solution Exploring Operation: 38+22=60, Resulting Numbers: [60] 60,39 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 #0,4,0 Current State: 39:[34, 50], Operations: ['41-3=38', '12+38=50'] Exploring Operation: 34*50=1700, Resulting Numbers: [1700] 1700,39 unequal: No Solution Exploring Operation: 50-34=16, Resulting Numbers: [16] 16,39 unequal: No Solution Exploring Operation: 34+50=84, Resulting Numbers: [84] 84,39 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 #0,4,2 Current State: 39:[34, 26], Operations: ['41-3=38', '38-12=26'] Exploring Operation: 34+26=60, Resulting Numbers: [60] 60,39 unequal: No Solution Exploring Operation: 34-26=8, Resulting Numbers: [8] 8,39 unequal: No Solution Exploring Operation: 34*26=884, Resulting Numbers: [884] 884,39 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:[34, 41, 4], Operations: ['12/3=4'] Exploring Operation: 41+4=45, Resulting Numbers: [34, 45] Generated Node #0,1,0: 39:[34, 45] Operation: 41+4=45 Exploring Operation: 34+4=38, Resulting Numbers: [41, 38] Generated Node #0,1,1: 39:[41, 38] Operation: 34+4=38 Exploring Operation: 41-34=7, Resulting Numbers: [4, 7] Generated Node #0,1,2: 39:[4, 7] Operation: 41-34=7 Exploring Operation: 34-4=30, Resulting Numbers: [41, 30] Generated Node #0,1,3: 39:[41, 30] Operation: 34-4=30 Exploring Operation: 41-4=37, Resulting Numbers: [34, 37] Generated Node #0,1,4: 39:[34, 37] Operation: 41-4=37 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 39:[41, 38], Operations: ['12/3=4', '34+4=38'] Exploring Operation: 41*38=1558, Resulting Numbers: [1558] 1558,39 unequal: No Solution Exploring Operation: 41+38=79, Resulting Numbers: [79] 79,39 unequal: No Solution Exploring Operation: 41-38=3, Resulting Numbers: [3] 3,39 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:[4, 7], Operations: ['12/3=4', '41-34=7'] Exploring Operation: 7-4=3, Resulting Numbers: [3] 3,39 unequal: No Solution Exploring Operation: 4+7=11, Resulting Numbers: [11] 11,39 unequal: No Solution Exploring Operation: 4*7=28, Resulting Numbers: [28] 28,39 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 39:[34, 37], Operations: ['12/3=4', '41-4=37'] Exploring Operation: 37-34=3, Resulting Numbers: [3] 3,39 unequal: No Solution Exploring Operation: 34*37=1258, Resulting Numbers: [1258] 1258,39 unequal: No Solution Exploring Operation: 34+37=71, Resulting Numbers: [71] 71,39 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 39:[34, 45], Operations: ['12/3=4', '41+4=45'] Exploring Operation: 45-34=11, Resulting Numbers: [11] 11,39 unequal: No Solution Exploring Operation: 34+45=79, Resulting Numbers: [79] 79,39 unequal: No Solution Exploring Operation: 34*45=1530, Resulting Numbers: [1530] 1530,39 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:[41, 30], Operations: ['12/3=4', '34-4=30'] Exploring Operation: 41+30=71, Resulting Numbers: [71] 71,39 unequal: No Solution Exploring Operation: 41*30=1230, Resulting Numbers: [1230] 1230,39 unequal: No Solution Exploring Operation: 41-30=11, Resulting Numbers: [11] 11,39 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:[3, 41, 46], Operations: ['34+12=46'] Exploring Operation: 3+41=44, Resulting Numbers: [46, 44] Generated Node #0,3,0: 39:[46, 44] Operation: 3+41=44 Exploring Operation: 41-3=38, Resulting Numbers: [46, 38] Generated Node #0,3,1: 39:[46, 38] Operation: 41-3=38 Exploring Operation: 46-41=5, Resulting Numbers: [3, 5] Generated Node #0,3,2: 39:[3, 5] Operation: 46-41=5 Exploring Operation: 3+46=49, Resulting Numbers: [41, 49] Generated Node #0,3,3: 39:[41, 49] Operation: 3+46=49 Exploring Operation: 46-3=43, Resulting Numbers: [41, 43] Generated Node #0,3,4: 39:[41, 43] Operation: 46-3=43 Moving to Node #0,3,2 Current State: 39:[3, 5], Operations: ['34+12=46', '46-41=5'] Exploring Operation: 3*5=15, Resulting Numbers: [15] 15,39 unequal: No Solution Exploring Operation: 5-3=2, Resulting Numbers: [2] 2,39 unequal: No Solution Exploring Operation: 3+5=8, Resulting Numbers: [8] 8,39 unequal: No Solution Moving to Node #0,3,4 Current State: 39:[41, 43], Operations: ['34+12=46', '46-3=43'] Exploring Operation: 41+43=84, Resulting Numbers: [84] 84,39 unequal: No Solution Exploring Operation: 43-41=2, Resulting Numbers: [2] 2,39 unequal: No Solution Exploring Operation: 41*43=1763, Resulting Numbers: [1763] 1763,39 unequal: No Solution Moving to Node #0,3,1 Current State: 39:[46, 38], Operations: ['34+12=46', '41-3=38'] Exploring Operation: 46*38=1748, Resulting Numbers: [1748] 1748,39 unequal: No Solution Exploring Operation: 46-38=8, Resulting Numbers: [8] 8,39 unequal: No Solution Exploring Operation: 46+38=84, Resulting Numbers: [84] 84,39 unequal: No Solution Moving to Node #0,3,0 Current State: 39:[46, 44], Operations: ['34+12=46', '3+41=44'] Exploring Operation: 46*44=2024, Resulting Numbers: [2024] 2024,39 unequal: No Solution Exploring Operation: 46-44=2, Resulting Numbers: [2] 2,39 unequal: No Solution Exploring Operation: 46+44=90, Resulting Numbers: [90] 90,39 unequal: No Solution Moving to Node #0,3,3 Current State: 39:[41, 49], Operations: ['34+12=46', '3+46=49'] Exploring Operation: 49-41=8, Resulting Numbers: [8] 8,39 unequal: No Solution Exploring Operation: 41*49=2009, Resulting Numbers: [2009] 2009,39 unequal: No Solution Exploring Operation: 41+49=90, Resulting Numbers: [90] 90,39 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
[ 33, 23, 39, 41 ]
97
[ "39-33=6", "23*6=138", "138-41=97" ]
Current State: 97:[33, 23, 39, 41], Operations: [] Exploring Operation: 39-33=6, Resulting Numbers: [23, 41, 6] Generated Node #2: [23, 41, 6] from Operation: 39-33=6 Current State: 97:[23, 41, 6], Operations: ['39-33=6'] Exploring Operation: 23*6=138, Resulting Numbers: [41, 138] Generated Node #3: [41, 138] from Operation: 23*6=138 Current State: 97:[41, 138], Operations: ['39-33=6', '23*6=138'] Exploring Operation: 138-41=97, Resulting Numbers: [97] 97,97 equal: Goal Reached
4
Current State: 97:[33, 23, 39, 41], Operations: [] Exploring Operation: 33+39=72, Resulting Numbers: [23, 41, 72] Generated Node #0,0: 97:[23, 41, 72] Operation: 33+39=72 Exploring Operation: 33+23=56, Resulting Numbers: [39, 41, 56] Generated Node #0,1: 97:[39, 41, 56] Operation: 33+23=56 Moving to Node #0,0 Current State: 97:[23, 41, 72], Operations: ['33+39=72'] Exploring Operation: 23+41=64, Resulting Numbers: [72, 64] Generated Node #0,0,0: 97:[72, 64] Operation: 23+41=64 Exploring Operation: 23+72=95, Resulting Numbers: [41, 95] Generated Node #0,0,1: 97:[41, 95] Operation: 23+72=95 Moving to Node #0,1 Current State: 97:[39, 41, 56], Operations: ['33+23=56'] Exploring Operation: 39+41=80, Resulting Numbers: [56, 80] Generated Node #0,1,0: 97:[56, 80] Operation: 39+41=80 Exploring Operation: 39+56=95, Resulting Numbers: [41, 95] Generated Node #0,1,1: 97:[41, 95] Operation: 39+56=95 Moving to Node #0,0,0 Current State: 97:[72, 64], Operations: ['33+39=72', '23+41=64'] Exploring Operation: 72-64=8, Resulting Numbers: [8] 8,97 unequal: No Solution Exploring Operation: 72+64=136, Resulting Numbers: [136] 136,97 unequal: No Solution Moving to Node #0,1,0 Current State: 97:[56, 80], Operations: ['33+23=56', '39+41=80'] Exploring Operation: 56+80=136, Resulting Numbers: [136] 136,97 unequal: No Solution Exploring Operation: 80-56=24, Resulting Numbers: [24] 24,97 unequal: No Solution Moving to Node #0,0,1 Current State: 97:[41, 95], Operations: ['33+39=72', '23+72=95'] Exploring Operation: 41+95=136, Resulting Numbers: [136] 136,97 unequal: No Solution Exploring Operation: 95-41=54, Resulting Numbers: [54] 54,97 unequal: No Solution Moving to Node #0,1,1 Current State: 97:[41, 95], Operations: ['33+23=56', '39+56=95'] Exploring Operation: 95-41=54, Resulting Numbers: [54] 54,97 unequal: No Solution Exploring Operation: 41+95=136, Resulting Numbers: [136] 136,97 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 17, 69, 58, 35 ]
60
[ "69-35=34", "34/17=2", "58+2=60" ]
Current State: 60:[17, 69, 58, 35], Operations: [] Exploring Operation: 69-35=34, Resulting Numbers: [17, 58, 34] Generated Node #2: [17, 58, 34] from Operation: 69-35=34 Current State: 60:[17, 58, 34], Operations: ['69-35=34'] Exploring Operation: 34/17=2, Resulting Numbers: [58, 2] Generated Node #3: [58, 2] from Operation: 34/17=2 Current State: 60:[58, 2], Operations: ['69-35=34', '34/17=2'] Exploring Operation: 58+2=60, Resulting Numbers: [60] 60,60 equal: Goal Reached
4
Current State: 60:[17, 69, 58, 35], Operations: [] Exploring Operation: 58-35=23, Resulting Numbers: [17, 69, 23] Generated Node #0,0: 60:[17, 69, 23] Operation: 58-35=23 Exploring Operation: 35-17=18, Resulting Numbers: [69, 58, 18] Generated Node #0,1: 60:[69, 58, 18] Operation: 35-17=18 Exploring Operation: 69-58=11, Resulting Numbers: [17, 35, 11] Generated Node #0,2: 60:[17, 35, 11] Operation: 69-58=11 Exploring Operation: 69-17=52, Resulting Numbers: [58, 35, 52] Generated Node #0,3: 60:[58, 35, 52] Operation: 69-17=52 Exploring Operation: 69-35=34, Resulting Numbers: [17, 58, 34] Generated Node #0,4: 60:[17, 58, 34] Operation: 69-35=34 Moving to Node #0,2 Current State: 60:[17, 35, 11], Operations: ['69-58=11'] Exploring Operation: 35-11=24, Resulting Numbers: [17, 24] Generated Node #0,2,0: 60:[17, 24] Operation: 35-11=24 Exploring Operation: 17+11=28, Resulting Numbers: [35, 28] Generated Node #0,2,1: 60:[35, 28] Operation: 17+11=28 Exploring Operation: 17+35=52, Resulting Numbers: [11, 52] Generated Node #0,2,2: 60:[11, 52] Operation: 17+35=52 Exploring Operation: 17-11=6, Resulting Numbers: [35, 6] Generated Node #0,2,3: 60:[35, 6] Operation: 17-11=6 Exploring Operation: 35-17=18, Resulting Numbers: [11, 18] Generated Node #0,2,4: 60:[11, 18] Operation: 35-17=18 Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 60:[11, 18], Operations: ['69-58=11', '35-17=18'] Exploring Operation: 11*18=198, Resulting Numbers: [198] 198,60 unequal: No Solution Exploring Operation: 18-11=7, Resulting Numbers: [7] 7,60 unequal: No Solution Exploring Operation: 11+18=29, Resulting Numbers: [29] 29,60 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 60:[35, 6], Operations: ['69-58=11', '17-11=6'] Exploring Operation: 35-6=29, Resulting Numbers: [29] 29,60 unequal: No Solution Exploring Operation: 35*6=210, Resulting Numbers: [210] 210,60 unequal: No Solution Exploring Operation: 35+6=41, Resulting Numbers: [41] 41,60 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 60:[17, 24], Operations: ['69-58=11', '35-11=24'] Exploring Operation: 17+24=41, Resulting Numbers: [41] 41,60 unequal: No Solution Exploring Operation: 24-17=7, Resulting Numbers: [7] 7,60 unequal: No Solution Exploring Operation: 17*24=408, Resulting Numbers: [408] 408,60 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 60:[35, 28], Operations: ['69-58=11', '17+11=28'] Exploring Operation: 35+28=63, Resulting Numbers: [63] 63,60 unequal: No Solution Exploring Operation: 35-28=7, Resulting Numbers: [7] 7,60 unequal: No Solution Exploring Operation: 35*28=980, Resulting Numbers: [980] 980,60 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 60:[11, 52], Operations: ['69-58=11', '17+35=52'] Exploring Operation: 11*52=572, Resulting Numbers: [572] 572,60 unequal: No Solution Exploring Operation: 52-11=41, Resulting Numbers: [41] 41,60 unequal: No Solution Exploring Operation: 11+52=63, Resulting Numbers: [63] 63,60 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: 60:[17, 58, 34], Operations: ['69-35=34'] Exploring Operation: 34-17=17, Resulting Numbers: [58, 17] Generated Node #0,4,0: 60:[58, 17] Operation: 34-17=17 Exploring Operation: 17+34=51, Resulting Numbers: [58, 51] Generated Node #0,4,1: 60:[58, 51] Operation: 17+34=51 Exploring Operation: 34/17=2, Resulting Numbers: [58, 2] Generated Node #0,4,2: 60:[58, 2] Operation: 34/17=2 Exploring Operation: 58-34=24, Resulting Numbers: [17, 24] Generated Node #0,4,3: 60:[17, 24] Operation: 58-34=24 Exploring Operation: 58-17=41, Resulting Numbers: [34, 41] Generated Node #0,4,4: 60:[34, 41] Operation: 58-17=41 Moving to Node #0,1 Current State: 60:[69, 58, 18], Operations: ['35-17=18'] Exploring Operation: 69-18=51, Resulting Numbers: [58, 51] Generated Node #0,1,0: 60:[58, 51] Operation: 69-18=51 Exploring Operation: 69+18=87, Resulting Numbers: [58, 87] Generated Node #0,1,1: 60:[58, 87] Operation: 69+18=87 Exploring Operation: 58-18=40, Resulting Numbers: [69, 40] Generated Node #0,1,2: 60:[69, 40] Operation: 58-18=40 Exploring Operation: 69-58=11, Resulting Numbers: [18, 11] Generated Node #0,1,3: 60:[18, 11] Operation: 69-58=11 Exploring Operation: 58+18=76, Resulting Numbers: [69, 76] Generated Node #0,1,4: 60:[69, 76] Operation: 58+18=76 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 60:[18, 11], Operations: ['35-17=18', '69-58=11'] Exploring Operation: 18*11=198, Resulting Numbers: [198] 198,60 unequal: No Solution Exploring Operation: 18-11=7, Resulting Numbers: [7] 7,60 unequal: No Solution Exploring Operation: 18+11=29, Resulting Numbers: [29] 29,60 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 60:[58, 51], Operations: ['35-17=18', '69-18=51'] Exploring Operation: 58*51=2958, Resulting Numbers: [2958] 2958,60 unequal: No Solution Exploring Operation: 58-51=7, Resulting Numbers: [7] 7,60 unequal: No Solution Exploring Operation: 58+51=109, Resulting Numbers: [109] 109,60 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 60:[69, 40], Operations: ['35-17=18', '58-18=40'] Exploring Operation: 69-40=29, Resulting Numbers: [29] 29,60 unequal: No Solution Exploring Operation: 69*40=2760, Resulting Numbers: [2760] 2760,60 unequal: No Solution Exploring Operation: 69+40=109, Resulting Numbers: [109] 109,60 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 60:[69, 76], Operations: ['35-17=18', '58+18=76'] Exploring Operation: 69*76=5244, Resulting Numbers: [5244] 5244,60 unequal: No Solution Exploring Operation: 69+76=145, Resulting Numbers: [145] 145,60 unequal: No Solution Exploring Operation: 76-69=7, Resulting Numbers: [7] 7,60 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 60:[58, 87], Operations: ['35-17=18', '69+18=87'] Exploring Operation: 87-58=29, Resulting Numbers: [29] 29,60 unequal: No Solution Exploring Operation: 58*87=5046, Resulting Numbers: [5046] 5046,60 unequal: No Solution Exploring Operation: 58+87=145, Resulting Numbers: [145] 145,60 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: 60:[17, 69, 23], Operations: ['58-35=23'] Exploring Operation: 69-23=46, Resulting Numbers: [17, 46] Generated Node #0,0,0: 60:[17, 46] Operation: 69-23=46 Exploring Operation: 23-17=6, Resulting Numbers: [69, 6] Generated Node #0,0,1: 60:[69, 6] Operation: 23-17=6 Exploring Operation: 17+23=40, Resulting Numbers: [69, 40] Generated Node #0,0,2: 60:[69, 40] Operation: 17+23=40 Exploring Operation: 69/23=3, Resulting Numbers: [17, 3] Generated Node #0,0,3: 60:[17, 3] Operation: 69/23=3 Exploring Operation: 69-17=52, Resulting Numbers: [23, 52] Generated Node #0,0,4: 60:[23, 52] Operation: 69-17=52 Moving to Node #0,3 Current State: 60:[58, 35, 52], Operations: ['69-17=52'] Exploring Operation: 58+35=93, Resulting Numbers: [52, 93] Generated Node #0,3,0: 60:[52, 93] Operation: 58+35=93 Exploring Operation: 58-35=23, Resulting Numbers: [52, 23] Generated Node #0,3,1: 60:[52, 23] Operation: 58-35=23 Exploring Operation: 52-35=17, Resulting Numbers: [58, 17] Generated Node #0,3,2: 60:[58, 17] Operation: 52-35=17 Exploring Operation: 35+52=87, Resulting Numbers: [58, 87] Generated Node #0,3,3: 60:[58, 87] Operation: 35+52=87 Exploring Operation: 58-52=6, Resulting Numbers: [35, 6] Generated Node #0,3,4: 60:[35, 6] Operation: 58-52=6 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 60:[58, 17], Operations: ['69-17=52', '52-35=17'] Exploring Operation: 58-17=41, Resulting Numbers: [41] 41,60 unequal: No Solution Exploring Operation: 58+17=75, Resulting Numbers: [75] 75,60 unequal: No Solution Exploring Operation: 58*17=986, Resulting Numbers: [986] 986,60 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 60:[35, 6], Operations: ['69-17=52', '58-52=6'] Exploring Operation: 35*6=210, Resulting Numbers: [210] 210,60 unequal: No Solution Exploring Operation: 35+6=41, Resulting Numbers: [41] 41,60 unequal: No Solution Exploring Operation: 35-6=29, Resulting Numbers: [29] 29,60 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 60:[52, 23], Operations: ['69-17=52', '58-35=23'] Exploring Operation: 52+23=75, Resulting Numbers: [75] 75,60 unequal: No Solution Exploring Operation: 52*23=1196, Resulting Numbers: [1196] 1196,60 unequal: No Solution Exploring Operation: 52-23=29, Resulting Numbers: [29] 29,60 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 60:[58, 87], Operations: ['69-17=52', '35+52=87'] Exploring Operation: 58+87=145, Resulting Numbers: [145] 145,60 unequal: No Solution Exploring Operation: 87-58=29, Resulting Numbers: [29] 29,60 unequal: No Solution Exploring Operation: 58*87=5046, Resulting Numbers: [5046] 5046,60 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 60:[52, 93], Operations: ['69-17=52', '58+35=93'] Exploring Operation: 52*93=4836, Resulting Numbers: [4836] 4836,60 unequal: No Solution Exploring Operation: 93-52=41, Resulting Numbers: [41] 41,60 unequal: No Solution Exploring Operation: 52+93=145, Resulting Numbers: [145] 145,60 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,4,2 Current State: 60:[58, 2], Operations: ['69-35=34', '34/17=2'] Exploring Operation: 58-2=56, Resulting Numbers: [56] 56,60 unequal: No Solution Exploring Operation: 58+2=60, Resulting Numbers: [60] 60,60 equal: Goal Reached Moving to Node #0 Current State: 60:[17, 69, 58, 35], Operations: [] Exploring Operation: 69-35=34, Resulting Numbers: [17, 58, 34] Generated Node #0,4: 60:[17, 58, 34] Operation: 69-35=34 Moving to Node #0,4 Current State: 60:[17, 58, 34], Operations: ['69-35=34'] Exploring Operation: 34/17=2, Resulting Numbers: [58, 2] Generated Node #0,4,2: 60:[58, 2] Operation: 34/17=2 Moving to Node #0,4,2 Current State: 60:[58, 2], Operations: ['69-35=34', '34/17=2'] Exploring Operation: 58+2=60, Resulting Numbers: [60] 60,60 equal: Goal Reached
0.929688
hs_5
sum_heuristic
[ 60, 95, 32, 31 ]
34
[ "95-60=35", "32-31=1", "35-1=34" ]
Current State: 34:[60, 95, 32, 31], Operations: [] Exploring Operation: 95-60=35, Resulting Numbers: [32, 31, 35] Generated Node #2: [32, 31, 35] from Operation: 95-60=35 Current State: 34:[32, 31, 35], Operations: ['95-60=35'] Exploring Operation: 32-31=1, Resulting Numbers: [35, 1] Generated Node #3: [35, 1] from Operation: 32-31=1 Current State: 34:[35, 1], Operations: ['95-60=35', '32-31=1'] Exploring Operation: 35-1=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
4
Current State: 34:[60, 95, 32, 31], Operations: [] Exploring Operation: 95-32=63, Resulting Numbers: [60, 31, 63] Generated Node #0,0: 34:[60, 31, 63] Operation: 95-32=63 Exploring Operation: 95-31=64, Resulting Numbers: [60, 32, 64] Generated Node #0,1: 34:[60, 32, 64] Operation: 95-31=64 Exploring Operation: 60-31=29, Resulting Numbers: [95, 32, 29] Generated Node #0,2: 34:[95, 32, 29] Operation: 60-31=29 Exploring Operation: 60-32=28, Resulting Numbers: [95, 31, 28] Generated Node #0,3: 34:[95, 31, 28] Operation: 60-32=28 Exploring Operation: 95-60=35, Resulting Numbers: [32, 31, 35] Generated Node #0,4: 34:[32, 31, 35] Operation: 95-60=35 Moving to Node #0,4 Current State: 34:[32, 31, 35], Operations: ['95-60=35'] Exploring Operation: 35-32=3, Resulting Numbers: [31, 3] Generated Node #0,4,0: 34:[31, 3] Operation: 35-32=3 Exploring Operation: 32+31=63, Resulting Numbers: [35, 63] Generated Node #0,4,1: 34:[35, 63] Operation: 32+31=63 Exploring Operation: 32-31=1, Resulting Numbers: [35, 1] Generated Node #0,4,2: 34:[35, 1] Operation: 32-31=1 Exploring Operation: 31+35=66, Resulting Numbers: [32, 66] Generated Node #0,4,3: 34:[32, 66] Operation: 31+35=66 Exploring Operation: 35-31=4, Resulting Numbers: [32, 4] Generated Node #0,4,4: 34:[32, 4] Operation: 35-31=4 Moving to Node #0,1 Current State: 34:[60, 32, 64], Operations: ['95-31=64'] Exploring Operation: 64-60=4, Resulting Numbers: [32, 4] Generated Node #0,1,0: 34:[32, 4] Operation: 64-60=4 Exploring Operation: 60+32=92, Resulting Numbers: [64, 92] Generated Node #0,1,1: 34:[64, 92] Operation: 60+32=92 Exploring Operation: 64-32=32, Resulting Numbers: [60, 32] Generated Node #0,1,2: 34:[60, 32] Operation: 64-32=32 Exploring Operation: 64/32=2, Resulting Numbers: [60, 2] Generated Node #0,1,3: 34:[60, 2] Operation: 64/32=2 Exploring Operation: 60-32=28, Resulting Numbers: [64, 28] Generated Node #0,1,4: 34:[64, 28] Operation: 60-32=28 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 34:[32, 4], Operations: ['95-31=64', '64-60=4'] Exploring Operation: 32/4=8, Resulting Numbers: [8] 8,34 unequal: No Solution Exploring Operation: 32*4=128, Resulting Numbers: [128] 128,34 unequal: No Solution Exploring Operation: 32-4=28, Resulting Numbers: [28] 28,34 unequal: No Solution Exploring Operation: 32+4=36, Resulting Numbers: [36] 36,34 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 #0,1,3 Current State: 34:[60, 2], Operations: ['95-31=64', '64/32=2'] Exploring Operation: 60-2=58, Resulting Numbers: [58] 58,34 unequal: No Solution Exploring Operation: 60/2=30, Resulting Numbers: [30] 30,34 unequal: No Solution Exploring Operation: 60*2=120, Resulting Numbers: [120] 120,34 unequal: No Solution Exploring Operation: 60+2=62, Resulting Numbers: [62] 62,34 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 #0,1,2 Current State: 34:[60, 32], Operations: ['95-31=64', '64-32=32'] Exploring Operation: 60-32=28, Resulting Numbers: [28] 28,34 unequal: No Solution Exploring Operation: 60*32=1920, Resulting Numbers: [1920] 1920,34 unequal: No Solution Exploring Operation: 60+32=92, Resulting Numbers: [92] 92,34 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 #0,1,4 Current State: 34:[64, 28], Operations: ['95-31=64', '60-32=28'] Exploring Operation: 64-28=36, Resulting Numbers: [36] 36,34 unequal: No Solution Exploring Operation: 64*28=1792, Resulting Numbers: [1792] 1792,34 unequal: No Solution Exploring Operation: 64+28=92, Resulting Numbers: [92] 92,34 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 #0,1,1 Current State: 34:[64, 92], Operations: ['95-31=64', '60+32=92'] Exploring Operation: 64+92=156, Resulting Numbers: [156] 156,34 unequal: No Solution Exploring Operation: 64*92=5888, Resulting Numbers: [5888] 5888,34 unequal: No Solution Exploring Operation: 92-64=28, Resulting Numbers: [28] 28,34 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: 34:[60, 31, 63], Operations: ['95-32=63'] Exploring Operation: 63-60=3, Resulting Numbers: [31, 3] Generated Node #0,0,0: 34:[31, 3] Operation: 63-60=3 Exploring Operation: 31+63=94, Resulting Numbers: [60, 94] Generated Node #0,0,1: 34:[60, 94] Operation: 31+63=94 Exploring Operation: 63-31=32, Resulting Numbers: [60, 32] Generated Node #0,0,2: 34:[60, 32] Operation: 63-31=32 Exploring Operation: 60-31=29, Resulting Numbers: [63, 29] Generated Node #0,0,3: 34:[63, 29] Operation: 60-31=29 Exploring Operation: 60+31=91, Resulting Numbers: [63, 91] Generated Node #0,0,4: 34:[63, 91] Operation: 60+31=91 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 34:[31, 3], Operations: ['95-32=63', '63-60=3'] Exploring Operation: 31-3=28, Resulting Numbers: [28] 28,34 unequal: No Solution Exploring Operation: 31+3=34, Resulting Numbers: [34] 34,34 equal: Goal Reached Moving to Node #0 Current State: 34:[60, 95, 32, 31], Operations: [] Exploring Operation: 95-32=63, Resulting Numbers: [60, 31, 63] Generated Node #0,0: 34:[60, 31, 63] Operation: 95-32=63 Moving to Node #0,0 Current State: 34:[60, 31, 63], Operations: ['95-32=63'] Exploring Operation: 63-60=3, Resulting Numbers: [31, 3] Generated Node #0,0,0: 34:[31, 3] Operation: 63-60=3 Moving to Node #0,0,0 Current State: 34:[31, 3], Operations: ['95-32=63', '63-60=3'] Exploring Operation: 31+3=34, Resulting Numbers: [34] 34,34 equal: Goal Reached Exit Sub Search at level 1
0.962674
hs_5
sum_heuristic
[ 72, 89, 17, 73 ]
16
[ "17*73=1241", "1241-89=1152", "1152/72=16" ]
Current State: 16:[72, 89, 17, 73], Operations: [] Exploring Operation: 17*73=1241, Resulting Numbers: [72, 89, 1241] Generated Node #2: [72, 89, 1241] from Operation: 17*73=1241 Current State: 16:[72, 89, 1241], Operations: ['17*73=1241'] Exploring Operation: 1241-89=1152, Resulting Numbers: [72, 1152] Generated Node #3: [72, 1152] from Operation: 1241-89=1152 Current State: 16:[72, 1152], Operations: ['17*73=1241', '1241-89=1152'] Exploring Operation: 1152/72=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[72, 89, 17, 73], Operations: [] Exploring Operation: 89-73=16, Resulting Numbers: [72, 17, 16] Generated Node #0,0: 16:[72, 17, 16] Operation: 89-73=16 Start Sub Search at level 1: Moving to Node #0,0 Current State: 16:[72, 17, 16], Operations: ['89-73=16'] Exploring Operation: 72-17=55, Resulting Numbers: [16, 55] Generated Node #0,0,0: 16:[16, 55] Operation: 72-17=55 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 16:[16, 55], Operations: ['89-73=16', '72-17=55'] Exploring Operation: 55-16=39, Resulting Numbers: [39] 39,16 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
[ 36, 2, 2, 52 ]
89
[ "36+52=88", "2/2=1", "88+1=89" ]
Current State: 89:[36, 2, 2, 52], Operations: [] Exploring Operation: 36+52=88, Resulting Numbers: [2, 2, 88] Generated Node #2: [2, 2, 88] from Operation: 36+52=88 Current State: 89:[2, 2, 88], Operations: ['36+52=88'] Exploring Operation: 2/2=1, Resulting Numbers: [88, 1] Generated Node #3: [88, 1] from Operation: 2/2=1 Current State: 89:[88, 1], Operations: ['36+52=88', '2/2=1'] Exploring Operation: 88+1=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
4
Current State: 89:[36, 2, 2, 52], Operations: [] Exploring Operation: 36*2=72, Resulting Numbers: [2, 52, 72] Generated Node #0,0: 89:[2, 52, 72] Operation: 36*2=72 Exploring Operation: 36*2=72, Resulting Numbers: [2, 52, 72] Generated Node #0,1: 89:[2, 52, 72] Operation: 36*2=72 Start Sub Search at level 1: Moving to Node #0,0 Current State: 89:[2, 52, 72], Operations: ['36*2=72'] Exploring Operation: 2+52=54, Resulting Numbers: [72, 54] Generated Node #0,0,0: 89:[72, 54] Operation: 2+52=54 Exploring Operation: 2*52=104, Resulting Numbers: [72, 104] Generated Node #0,0,1: 89:[72, 104] Operation: 2*52=104 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 89:[72, 104], Operations: ['36*2=72', '2*52=104'] Exploring Operation: 72+104=176, Resulting Numbers: [176] 176,89 unequal: No Solution Exploring Operation: 104-72=32, Resulting Numbers: [32] 32,89 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 89:[72, 54], Operations: ['36*2=72', '2+52=54'] Exploring Operation: 72+54=126, Resulting Numbers: [126] 126,89 unequal: No Solution Exploring Operation: 72-54=18, Resulting Numbers: [18] 18,89 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 #0,1 Current State: 89:[2, 52, 72], Operations: ['36*2=72'] Exploring Operation: 2+52=54, Resulting Numbers: [72, 54] Generated Node #0,1,0: 89:[72, 54] Operation: 2+52=54 Exploring Operation: 2*52=104, Resulting Numbers: [72, 104] Generated Node #0,1,1: 89:[72, 104] Operation: 2*52=104 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 89:[72, 104], Operations: ['36*2=72', '2*52=104'] Exploring Operation: 104-72=32, Resulting Numbers: [32] 32,89 unequal: No Solution Exploring Operation: 72+104=176, Resulting Numbers: [176] 176,89 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:[72, 54], Operations: ['36*2=72', '2+52=54'] Exploring Operation: 72-54=18, Resulting Numbers: [18] 18,89 unequal: No Solution Exploring Operation: 72+54=126, Resulting Numbers: [126] 126,89 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 No solution found.
0
hs_2
sum_heuristic
[ 3, 81, 2, 16 ]
75
[ "2+16=18", "18/3=6", "81-6=75" ]
Current State: 75:[3, 81, 2, 16], Operations: [] Exploring Operation: 2+16=18, Resulting Numbers: [3, 81, 18] Generated Node #2: [3, 81, 18] from Operation: 2+16=18 Current State: 75:[3, 81, 18], Operations: ['2+16=18'] Exploring Operation: 18/3=6, Resulting Numbers: [81, 6] Generated Node #3: [81, 6] from Operation: 18/3=6 Current State: 75:[81, 6], Operations: ['2+16=18', '18/3=6'] Exploring Operation: 81-6=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
4
Current State: 75:[3, 81, 2, 16], Operations: [] Exploring Operation: 81/3=27, Resulting Numbers: [2, 16, 27] Generated Node #0,0: 75:[2, 16, 27] Operation: 81/3=27 Exploring Operation: 81-3=78, Resulting Numbers: [2, 16, 78] Generated Node #0,1: 75:[2, 16, 78] Operation: 81-3=78 Start Sub Search at level 1: Moving to Node #0,0 Current State: 75:[2, 16, 27], Operations: ['81/3=27'] Exploring Operation: 16-2=14, Resulting Numbers: [27, 14] Generated Node #0,0,0: 75:[27, 14] Operation: 16-2=14 Exploring Operation: 27-2=25, Resulting Numbers: [16, 25] Generated Node #0,0,1: 75:[16, 25] Operation: 27-2=25 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 75:[16, 25], Operations: ['81/3=27', '27-2=25'] Exploring Operation: 25-16=9, Resulting Numbers: [9] 9,75 unequal: No Solution Exploring Operation: 16+25=41, Resulting Numbers: [41] 41,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 75:[27, 14], Operations: ['81/3=27', '16-2=14'] Exploring Operation: 27-14=13, Resulting Numbers: [13] 13,75 unequal: No Solution Exploring Operation: 27+14=41, Resulting Numbers: [41] 41,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 75:[2, 16, 78], Operations: ['81-3=78'] Exploring Operation: 78-2=76, Resulting Numbers: [16, 76] Generated Node #0,1,0: 75:[16, 76] Operation: 78-2=76 Exploring Operation: 16-2=14, Resulting Numbers: [78, 14] Generated Node #0,1,1: 75:[78, 14] Operation: 16-2=14 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 75:[16, 76], Operations: ['81-3=78', '78-2=76'] Exploring Operation: 76-16=60, Resulting Numbers: [60] 60,75 unequal: No Solution Exploring Operation: 16+76=92, Resulting Numbers: [92] 92,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 75:[78, 14], Operations: ['81-3=78', '16-2=14'] Exploring Operation: 78-14=64, Resulting Numbers: [64] 64,75 unequal: No Solution Exploring Operation: 78+14=92, Resulting Numbers: [92] 92,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 59, 53, 82, 89 ]
42
[ "59-53=6", "89-82=7", "6*7=42" ]
Current State: 42:[59, 53, 82, 89], Operations: [] Exploring Operation: 59-53=6, Resulting Numbers: [82, 89, 6] Generated Node #2: [82, 89, 6] from Operation: 59-53=6 Current State: 42:[82, 89, 6], Operations: ['59-53=6'] Exploring Operation: 89-82=7, Resulting Numbers: [6, 7] Generated Node #3: [6, 7] from Operation: 89-82=7 Current State: 42:[6, 7], Operations: ['59-53=6', '89-82=7'] Exploring Operation: 6*7=42, Resulting Numbers: [42] 42,42 equal: Goal Reached
4
Current State: 42:[59, 53, 82, 89], Operations: [] Exploring Operation: 82-59=23, Resulting Numbers: [53, 89, 23] Generated Node #0,0: 42:[53, 89, 23] Operation: 82-59=23 Exploring Operation: 89-82=7, Resulting Numbers: [59, 53, 7] Generated Node #0,1: 42:[59, 53, 7] Operation: 89-82=7 Exploring Operation: 82-53=29, Resulting Numbers: [59, 89, 29] Generated Node #0,2: 42:[59, 89, 29] Operation: 82-53=29 Exploring Operation: 89-53=36, Resulting Numbers: [59, 82, 36] Generated Node #0,3: 42:[59, 82, 36] Operation: 89-53=36 Exploring Operation: 89-59=30, Resulting Numbers: [53, 82, 30] Generated Node #0,4: 42:[53, 82, 30] Operation: 89-59=30 Start Sub Search at level 1: Moving to Node #0,1 Current State: 42:[59, 53, 7], Operations: ['89-82=7'] Exploring Operation: 53+7=60, Resulting Numbers: [59, 60] Generated Node #0,1,0: 42:[59, 60] Operation: 53+7=60 Exploring Operation: 59-53=6, Resulting Numbers: [7, 6] Generated Node #0,1,1: 42:[7, 6] Operation: 59-53=6 Exploring Operation: 59+7=66, Resulting Numbers: [53, 66] Generated Node #0,1,2: 42:[53, 66] Operation: 59+7=66 Exploring Operation: 53-7=46, Resulting Numbers: [59, 46] Generated Node #0,1,3: 42:[59, 46] Operation: 53-7=46 Exploring Operation: 59-7=52, Resulting Numbers: [53, 52] Generated Node #0,1,4: 42:[53, 52] Operation: 59-7=52 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 42:[7, 6], Operations: ['89-82=7', '59-53=6'] Exploring Operation: 7-6=1, Resulting Numbers: [1] 1,42 unequal: No Solution Exploring Operation: 7*6=42, Resulting Numbers: [42] 42,42 equal: Goal Reached Moving to Node #0 Current State: 42:[59, 53, 82, 89], Operations: [] Exploring Operation: 89-82=7, Resulting Numbers: [59, 53, 7] Generated Node #0,1: 42:[59, 53, 7] Operation: 89-82=7 Moving to Node #0,1 Current State: 42:[59, 53, 7], Operations: ['89-82=7'] Exploring Operation: 59-53=6, Resulting Numbers: [7, 6] Generated Node #0,1,1: 42:[7, 6] Operation: 59-53=6 Moving to Node #0,1,1 Current State: 42:[7, 6], Operations: ['89-82=7', '59-53=6'] Exploring Operation: 7*6=42, Resulting Numbers: [42] 42,42 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986111
hs_5
mult_heuristic
[ 3, 82, 15, 70 ]
24
[ "82-3=79", "70-15=55", "79-55=24" ]
Current State: 24:[3, 82, 15, 70], Operations: [] Exploring Operation: 82-3=79, Resulting Numbers: [15, 70, 79] Generated Node #2: [15, 70, 79] from Operation: 82-3=79 Current State: 24:[15, 70, 79], Operations: ['82-3=79'] Exploring Operation: 70-15=55, Resulting Numbers: [79, 55] Generated Node #3: [79, 55] from Operation: 70-15=55 Current State: 24:[79, 55], Operations: ['82-3=79', '70-15=55'] Exploring Operation: 79-55=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
4
Current State: 24:[3, 82, 15, 70], Operations: [] Exploring Operation: 15-3=12, Resulting Numbers: [82, 70, 12] Generated Node #0,0: 24:[82, 70, 12] Operation: 15-3=12 Exploring Operation: 82-15=67, Resulting Numbers: [3, 70, 67] Generated Node #0,1: 24:[3, 70, 67] Operation: 82-15=67 Exploring Operation: 82-3=79, Resulting Numbers: [15, 70, 79] Generated Node #0,2: 24:[15, 70, 79] Operation: 82-3=79 Exploring Operation: 82-70=12, Resulting Numbers: [3, 15, 12] Generated Node #0,3: 24:[3, 15, 12] Operation: 82-70=12 Exploring Operation: 70-15=55, Resulting Numbers: [3, 82, 55] Generated Node #0,4: 24:[3, 82, 55] Operation: 70-15=55 Moving to Node #0,3 Current State: 24:[3, 15, 12], Operations: ['82-70=12'] Exploring Operation: 15+12=27, Resulting Numbers: [3, 27] Generated Node #0,3,0: 24:[3, 27] Operation: 15+12=27 Exploring Operation: 15/3=5, Resulting Numbers: [12, 5] Generated Node #0,3,1: 24:[12, 5] Operation: 15/3=5 Exploring Operation: 15-12=3, Resulting Numbers: [3, 3] Generated Node #0,3,2: 24:[3, 3] Operation: 15-12=3 Exploring Operation: 12/3=4, Resulting Numbers: [15, 4] Generated Node #0,3,3: 24:[15, 4] Operation: 12/3=4 Exploring Operation: 15-3=12, Resulting Numbers: [12, 12] Generated Node #0,3,4: 24:[12, 12] Operation: 15-3=12 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 24:[3, 3], Operations: ['82-70=12', '15-12=3'] Exploring Operation: 3*3=9, Resulting Numbers: [9] 9,24 unequal: No Solution Exploring Operation: 3-3=0, Resulting Numbers: [0] 0,24 unequal: No Solution Exploring Operation: 3+3=6, Resulting Numbers: [6] 6,24 unequal: No Solution Exploring Operation: 3/3=1, Resulting Numbers: [1] 1,24 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 24:[12, 12], Operations: ['82-70=12', '15-3=12'] Exploring Operation: 12*12=144, Resulting Numbers: [144] 144,24 unequal: No Solution Exploring Operation: 12-12=0, Resulting Numbers: [0] 0,24 unequal: No Solution Exploring Operation: 12+12=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Moving to Node #0 Current State: 24:[3, 82, 15, 70], Operations: [] Exploring Operation: 82-70=12, Resulting Numbers: [3, 15, 12] Generated Node #0,3: 24:[3, 15, 12] Operation: 82-70=12 Moving to Node #0,3 Current State: 24:[3, 15, 12], Operations: ['82-70=12'] Exploring Operation: 15-3=12, Resulting Numbers: [12, 12] Generated Node #0,3,4: 24:[12, 12] Operation: 15-3=12 Moving to Node #0,3,4 Current State: 24:[12, 12], Operations: ['82-70=12', '15-3=12'] Exploring Operation: 12+12=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Exit Sub Search at level 1
0.981771
hs_5
mult_heuristic
[ 72, 29, 19, 7 ]
38
[ "72*19=1368", "29+7=36", "1368/36=38" ]
Current State: 38:[72, 29, 19, 7], Operations: [] Exploring Operation: 72*19=1368, Resulting Numbers: [29, 7, 1368] Generated Node #2: [29, 7, 1368] from Operation: 72*19=1368 Current State: 38:[29, 7, 1368], Operations: ['72*19=1368'] Exploring Operation: 29+7=36, Resulting Numbers: [1368, 36] Generated Node #3: [1368, 36] from Operation: 29+7=36 Current State: 38:[1368, 36], Operations: ['72*19=1368', '29+7=36'] Exploring Operation: 1368/36=38, Resulting Numbers: [38] 38,38 equal: Goal Reached
4
Current State: 38:[72, 29, 19, 7], Operations: [] Exploring Operation: 29+7=36, Resulting Numbers: [72, 19, 36] Generated Node #0,0: 38:[72, 19, 36] Operation: 29+7=36 Exploring Operation: 72-19=53, Resulting Numbers: [29, 7, 53] Generated Node #0,1: 38:[29, 7, 53] Operation: 72-19=53 Exploring Operation: 72-7=65, Resulting Numbers: [29, 19, 65] Generated Node #0,2: 38:[29, 19, 65] Operation: 72-7=65 Exploring Operation: 72-29=43, Resulting Numbers: [19, 7, 43] Generated Node #0,3: 38:[19, 7, 43] Operation: 72-29=43 Exploring Operation: 29-7=22, Resulting Numbers: [72, 19, 22] Generated Node #0,4: 38:[72, 19, 22] Operation: 29-7=22 Moving to Node #0,3 Current State: 38:[19, 7, 43], Operations: ['72-29=43'] Exploring Operation: 19+7=26, Resulting Numbers: [43, 26] Generated Node #0,3,0: 38:[43, 26] Operation: 19+7=26 Exploring Operation: 43-19=24, Resulting Numbers: [7, 24] Generated Node #0,3,1: 38:[7, 24] Operation: 43-19=24 Exploring Operation: 19-7=12, Resulting Numbers: [43, 12] Generated Node #0,3,2: 38:[43, 12] Operation: 19-7=12 Exploring Operation: 7+43=50, Resulting Numbers: [19, 50] Generated Node #0,3,3: 38:[19, 50] Operation: 7+43=50 Exploring Operation: 43-7=36, Resulting Numbers: [19, 36] Generated Node #0,3,4: 38:[19, 36] Operation: 43-7=36 Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 38:[19, 36], Operations: ['72-29=43', '43-7=36'] Exploring Operation: 36-19=17, Resulting Numbers: [17] 17,38 unequal: No Solution Exploring Operation: 19*36=684, Resulting Numbers: [684] 684,38 unequal: No Solution Exploring Operation: 19+36=55, Resulting Numbers: [55] 55,38 unequal: No Solution No 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: 38:[7, 24], Operations: ['72-29=43', '43-19=24'] Exploring Operation: 7+24=31, Resulting Numbers: [31] 31,38 unequal: No Solution Exploring Operation: 24-7=17, Resulting Numbers: [17] 17,38 unequal: No Solution Exploring Operation: 7*24=168, Resulting Numbers: [168] 168,38 unequal: No Solution No 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: 38:[43, 26], Operations: ['72-29=43', '19+7=26'] Exploring Operation: 43-26=17, Resulting Numbers: [17] 17,38 unequal: No Solution Exploring Operation: 43+26=69, Resulting Numbers: [69] 69,38 unequal: No Solution Exploring Operation: 43*26=1118, Resulting Numbers: [1118] 1118,38 unequal: No Solution No 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: 38:[43, 12], Operations: ['72-29=43', '19-7=12'] Exploring Operation: 43*12=516, Resulting Numbers: [516] 516,38 unequal: No Solution Exploring Operation: 43+12=55, Resulting Numbers: [55] 55,38 unequal: No Solution Exploring Operation: 43-12=31, Resulting Numbers: [31] 31,38 unequal: No Solution No 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: 38:[19, 50], Operations: ['72-29=43', '7+43=50'] Exploring Operation: 19*50=950, Resulting Numbers: [950] 950,38 unequal: No Solution Exploring Operation: 50-19=31, Resulting Numbers: [31] 31,38 unequal: No Solution Exploring Operation: 19+50=69, Resulting Numbers: [69] 69,38 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: 38:[29, 7, 53], Operations: ['72-19=53'] Exploring Operation: 53-29=24, Resulting Numbers: [7, 24] Generated Node #0,1,0: 38:[7, 24] Operation: 53-29=24 Exploring Operation: 7+53=60, Resulting Numbers: [29, 60] Generated Node #0,1,1: 38:[29, 60] Operation: 7+53=60 Exploring Operation: 29-7=22, Resulting Numbers: [53, 22] Generated Node #0,1,2: 38:[53, 22] Operation: 29-7=22 Exploring Operation: 29+7=36, Resulting Numbers: [53, 36] Generated Node #0,1,3: 38:[53, 36] Operation: 29+7=36 Exploring Operation: 53-7=46, Resulting Numbers: [29, 46] Generated Node #0,1,4: 38:[29, 46] Operation: 53-7=46 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 38:[7, 24], Operations: ['72-19=53', '53-29=24'] Exploring Operation: 7*24=168, Resulting Numbers: [168] 168,38 unequal: No Solution Exploring Operation: 7+24=31, Resulting Numbers: [31] 31,38 unequal: No Solution Exploring Operation: 24-7=17, Resulting Numbers: [17] 17,38 unequal: No Solution No 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: 38:[53, 36], Operations: ['72-19=53', '29+7=36'] Exploring Operation: 53*36=1908, Resulting Numbers: [1908] 1908,38 unequal: No Solution Exploring Operation: 53-36=17, Resulting Numbers: [17] 17,38 unequal: No Solution Exploring Operation: 53+36=89, Resulting Numbers: [89] 89,38 unequal: No Solution No 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: 38:[29, 46], Operations: ['72-19=53', '53-7=46'] Exploring Operation: 29+46=75, Resulting Numbers: [75] 75,38 unequal: No Solution Exploring Operation: 29*46=1334, Resulting Numbers: [1334] 1334,38 unequal: No Solution Exploring Operation: 46-29=17, Resulting Numbers: [17] 17,38 unequal: No Solution No 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: 38:[53, 22], Operations: ['72-19=53', '29-7=22'] Exploring Operation: 53*22=1166, Resulting Numbers: [1166] 1166,38 unequal: No Solution Exploring Operation: 53+22=75, Resulting Numbers: [75] 75,38 unequal: No Solution Exploring Operation: 53-22=31, Resulting Numbers: [31] 31,38 unequal: No Solution No 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: 38:[29, 60], Operations: ['72-19=53', '7+53=60'] Exploring Operation: 60-29=31, Resulting Numbers: [31] 31,38 unequal: No Solution Exploring Operation: 29*60=1740, Resulting Numbers: [1740] 1740,38 unequal: No Solution Exploring Operation: 29+60=89, Resulting Numbers: [89] 89,38 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: 38:[72, 19, 36], Operations: ['29+7=36'] Exploring Operation: 72-36=36, Resulting Numbers: [19, 36] Generated Node #0,0,0: 38:[19, 36] Operation: 72-36=36 Exploring Operation: 72-19=53, Resulting Numbers: [36, 53] Generated Node #0,0,1: 38:[36, 53] Operation: 72-19=53 Exploring Operation: 19+36=55, Resulting Numbers: [72, 55] Generated Node #0,0,2: 38:[72, 55] Operation: 19+36=55 Exploring Operation: 36-19=17, Resulting Numbers: [72, 17] Generated Node #0,0,3: 38:[72, 17] Operation: 36-19=17 Exploring Operation: 72/36=2, Resulting Numbers: [19, 2] Generated Node #0,0,4: 38:[19, 2] Operation: 72/36=2 Moving to Node #0,2 Current State: 38:[29, 19, 65], Operations: ['72-7=65'] Exploring Operation: 29-19=10, Resulting Numbers: [65, 10] Generated Node #0,2,0: 38:[65, 10] Operation: 29-19=10 Exploring Operation: 65-19=46, Resulting Numbers: [29, 46] Generated Node #0,2,1: 38:[29, 46] Operation: 65-19=46 Exploring Operation: 65-29=36, Resulting Numbers: [19, 36] Generated Node #0,2,2: 38:[19, 36] Operation: 65-29=36 Exploring Operation: 19+65=84, Resulting Numbers: [29, 84] Generated Node #0,2,3: 38:[29, 84] Operation: 19+65=84 Exploring Operation: 29+19=48, Resulting Numbers: [65, 48] Generated Node #0,2,4: 38:[65, 48] Operation: 29+19=48 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 38:[19, 36], Operations: ['72-7=65', '65-29=36'] Exploring Operation: 19+36=55, Resulting Numbers: [55] 55,38 unequal: No Solution Exploring Operation: 19*36=684, Resulting Numbers: [684] 684,38 unequal: No Solution Exploring Operation: 36-19=17, Resulting Numbers: [17] 17,38 unequal: No Solution No 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: 38:[29, 46], Operations: ['72-7=65', '65-19=46'] Exploring Operation: 29*46=1334, Resulting Numbers: [1334] 1334,38 unequal: No Solution Exploring Operation: 46-29=17, Resulting Numbers: [17] 17,38 unequal: No Solution Exploring Operation: 29+46=75, Resulting Numbers: [75] 75,38 unequal: No Solution No 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: 38:[65, 10], Operations: ['72-7=65', '29-19=10'] Exploring Operation: 65-10=55, Resulting Numbers: [55] 55,38 unequal: No Solution Exploring Operation: 65+10=75, Resulting Numbers: [75] 75,38 unequal: No Solution Exploring Operation: 65*10=650, Resulting Numbers: [650] 650,38 unequal: No Solution No 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: 38:[65, 48], Operations: ['72-7=65', '29+19=48'] Exploring Operation: 65*48=3120, Resulting Numbers: [3120] 3120,38 unequal: No Solution Exploring Operation: 65+48=113, Resulting Numbers: [113] 113,38 unequal: No Solution Exploring Operation: 65-48=17, Resulting Numbers: [17] 17,38 unequal: No Solution No 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: 38:[29, 84], Operations: ['72-7=65', '19+65=84'] Exploring Operation: 29*84=2436, Resulting Numbers: [2436] 2436,38 unequal: No Solution Exploring Operation: 84-29=55, Resulting Numbers: [55] 55,38 unequal: No Solution Exploring Operation: 29+84=113, Resulting Numbers: [113] 113,38 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: 38:[72, 19, 22], Operations: ['29-7=22'] Exploring Operation: 72-22=50, Resulting Numbers: [19, 50] Generated Node #0,4,0: 38:[19, 50] Operation: 72-22=50 Exploring Operation: 22-19=3, Resulting Numbers: [72, 3] Generated Node #0,4,1: 38:[72, 3] Operation: 22-19=3 Exploring Operation: 19+22=41, Resulting Numbers: [72, 41] Generated Node #0,4,2: 38:[72, 41] Operation: 19+22=41 Exploring Operation: 72-19=53, Resulting Numbers: [22, 53] Generated Node #0,4,3: 38:[22, 53] Operation: 72-19=53 Exploring Operation: 72+19=91, Resulting Numbers: [22, 91] Generated Node #0,4,4: 38:[22, 91] Operation: 72+19=91 Moving to Node #0,0,4 Current State: 38:[19, 2], Operations: ['29+7=36', '72/36=2'] Exploring Operation: 19-2=17, Resulting Numbers: [17] 17,38 unequal: No Solution Exploring Operation: 19+2=21, Resulting Numbers: [21] 21,38 unequal: No Solution Exploring Operation: 19*2=38, Resulting Numbers: [38] 38,38 equal: Goal Reached Moving to Node #0 Current State: 38:[72, 29, 19, 7], Operations: [] Exploring Operation: 29+7=36, Resulting Numbers: [72, 19, 36] Generated Node #0,0: 38:[72, 19, 36] Operation: 29+7=36 Moving to Node #0,0 Current State: 38:[72, 19, 36], Operations: ['29+7=36'] Exploring Operation: 72/36=2, Resulting Numbers: [19, 2] Generated Node #0,0,4: 38:[19, 2] Operation: 72/36=2 Moving to Node #0,0,4 Current State: 38:[19, 2], Operations: ['29+7=36', '72/36=2'] Exploring Operation: 19*2=38, Resulting Numbers: [38] 38,38 equal: Goal Reached
0.928819
hs_5
sum_heuristic
[ 37, 21, 24, 8 ]
83
[ "37-24=13", "8*13=104", "104-21=83" ]
Current State: 83:[37, 21, 24, 8], Operations: [] Exploring Operation: 37-24=13, Resulting Numbers: [21, 8, 13] Generated Node #2: [21, 8, 13] from Operation: 37-24=13 Current State: 83:[21, 8, 13], Operations: ['37-24=13'] Exploring Operation: 8*13=104, Resulting Numbers: [21, 104] Generated Node #3: [21, 104] from Operation: 8*13=104 Current State: 83:[21, 104], Operations: ['37-24=13', '8*13=104'] Exploring Operation: 104-21=83, Resulting Numbers: [83] 83,83 equal: Goal Reached
4
Current State: 83:[37, 21, 24, 8], Operations: [] Exploring Operation: 21+24=45, Resulting Numbers: [37, 8, 45] Generated Node #0,0: 83:[37, 8, 45] Operation: 21+24=45 Exploring Operation: 37+24=61, Resulting Numbers: [21, 8, 61] Generated Node #0,1: 83:[21, 8, 61] Operation: 37+24=61 Exploring Operation: 37+21=58, Resulting Numbers: [24, 8, 58] Generated Node #0,2: 83:[24, 8, 58] Operation: 37+21=58 Exploring Operation: 37+8=45, Resulting Numbers: [21, 24, 45] Generated Node #0,3: 83:[21, 24, 45] Operation: 37+8=45 Moving to Node #0,0 Current State: 83:[37, 8, 45], Operations: ['21+24=45'] Exploring Operation: 37+8=45, Resulting Numbers: [45, 45] Generated Node #0,0,0: 83:[45, 45] Operation: 37+8=45 Exploring Operation: 37-8=29, Resulting Numbers: [45, 29] Generated Node #0,0,1: 83:[45, 29] Operation: 37-8=29 Exploring Operation: 37+45=82, Resulting Numbers: [8, 82] Generated Node #0,0,2: 83:[8, 82] Operation: 37+45=82 Exploring Operation: 8+45=53, Resulting Numbers: [37, 53] Generated Node #0,0,3: 83:[37, 53] Operation: 8+45=53 Moving to Node #0,2 Current State: 83:[24, 8, 58], Operations: ['37+21=58'] Exploring Operation: 24+8=32, Resulting Numbers: [58, 32] Generated Node #0,2,0: 83:[58, 32] Operation: 24+8=32 Exploring Operation: 24+58=82, Resulting Numbers: [8, 82] Generated Node #0,2,1: 83:[8, 82] Operation: 24+58=82 Exploring Operation: 8+58=66, Resulting Numbers: [24, 66] Generated Node #0,2,2: 83:[24, 66] Operation: 8+58=66 Exploring Operation: 24-8=16, Resulting Numbers: [58, 16] Generated Node #0,2,3: 83:[58, 16] Operation: 24-8=16 Moving to Node #0,1 Current State: 83:[21, 8, 61], Operations: ['37+24=61'] Exploring Operation: 21+61=82, Resulting Numbers: [8, 82] Generated Node #0,1,0: 83:[8, 82] Operation: 21+61=82 Exploring Operation: 8+61=69, Resulting Numbers: [21, 69] Generated Node #0,1,1: 83:[21, 69] Operation: 8+61=69 Exploring Operation: 21-8=13, Resulting Numbers: [61, 13] Generated Node #0,1,2: 83:[61, 13] Operation: 21-8=13 Exploring Operation: 21+8=29, Resulting Numbers: [61, 29] Generated Node #0,1,3: 83:[61, 29] Operation: 21+8=29 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 83:[8, 82], Operations: ['37+24=61', '21+61=82'] Exploring Operation: 8+82=90, Resulting Numbers: [90] 90,83 unequal: No Solution Exploring Operation: 8*82=656, Resulting Numbers: [656] 656,83 unequal: No Solution Exploring Operation: 82-8=74, Resulting Numbers: [74] 74,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 83:[21, 69], Operations: ['37+24=61', '8+61=69'] Exploring Operation: 69-21=48, Resulting Numbers: [48] 48,83 unequal: No Solution Exploring Operation: 21+69=90, Resulting Numbers: [90] 90,83 unequal: No Solution Exploring Operation: 21*69=1449, Resulting Numbers: [1449] 1449,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 83:[61, 29], Operations: ['37+24=61', '21+8=29'] Exploring Operation: 61-29=32, Resulting Numbers: [32] 32,83 unequal: No Solution Exploring Operation: 61*29=1769, Resulting Numbers: [1769] 1769,83 unequal: No Solution Exploring Operation: 61+29=90, Resulting Numbers: [90] 90,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 83:[61, 13], Operations: ['37+24=61', '21-8=13'] Exploring Operation: 61+13=74, Resulting Numbers: [74] 74,83 unequal: No Solution Exploring Operation: 61-13=48, Resulting Numbers: [48] 48,83 unequal: No Solution Exploring Operation: 61*13=793, Resulting Numbers: [793] 793,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3 Current State: 83:[21, 24, 45], Operations: ['37+8=45'] Exploring Operation: 24-21=3, Resulting Numbers: [45, 3] Generated Node #0,3,0: 83:[45, 3] Operation: 24-21=3 Exploring Operation: 21+24=45, Resulting Numbers: [45, 45] Generated Node #0,3,1: 83:[45, 45] Operation: 21+24=45 Exploring Operation: 24+45=69, Resulting Numbers: [21, 69] Generated Node #0,3,2: 83:[21, 69] Operation: 24+45=69 Exploring Operation: 21+45=66, Resulting Numbers: [24, 66] Generated Node #0,3,3: 83:[24, 66] Operation: 21+45=66 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 83:[45, 45], Operations: ['37+8=45', '21+24=45'] Exploring Operation: 45*45=2025, Resulting Numbers: [2025] 2025,83 unequal: No Solution Exploring Operation: 45-45=0, Resulting Numbers: [0] 0,83 unequal: No Solution Exploring Operation: 45/45=1, Resulting Numbers: [1] 1,83 unequal: No Solution Exploring Operation: 45+45=90, Resulting Numbers: [90] 90,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 83:[21, 69], Operations: ['37+8=45', '24+45=69'] Exploring Operation: 69-21=48, Resulting Numbers: [48] 48,83 unequal: No Solution Exploring Operation: 21+69=90, Resulting Numbers: [90] 90,83 unequal: No Solution Exploring Operation: 21*69=1449, Resulting Numbers: [1449] 1449,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 83:[24, 66], Operations: ['37+8=45', '21+45=66'] Exploring Operation: 24+66=90, Resulting Numbers: [90] 90,83 unequal: No Solution Exploring Operation: 66-24=42, Resulting Numbers: [42] 42,83 unequal: No Solution Exploring Operation: 24*66=1584, Resulting Numbers: [1584] 1584,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 83:[45, 3], Operations: ['37+8=45', '24-21=3'] Exploring Operation: 45/3=15, Resulting Numbers: [15] 15,83 unequal: No Solution Exploring Operation: 45+3=48, Resulting Numbers: [48] 48,83 unequal: No Solution Exploring Operation: 45-3=42, Resulting Numbers: [42] 42,83 unequal: No Solution Exploring Operation: 45*3=135, Resulting Numbers: [135] 135,83 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: 83:[45, 45], Operations: ['21+24=45', '37+8=45'] Exploring Operation: 45+45=90, Resulting Numbers: [90] 90,83 unequal: No Solution Exploring Operation: 45*45=2025, Resulting Numbers: [2025] 2025,83 unequal: No Solution Exploring Operation: 45-45=0, Resulting Numbers: [0] 0,83 unequal: No Solution Exploring Operation: 45/45=1, Resulting Numbers: [1] 1,83 unequal: No Solution Moving to Node #0,0,3 Current State: 83:[37, 53], Operations: ['21+24=45', '8+45=53'] Exploring Operation: 53-37=16, Resulting Numbers: [16] 16,83 unequal: No Solution Exploring Operation: 37+53=90, Resulting Numbers: [90] 90,83 unequal: No Solution Exploring Operation: 37*53=1961, Resulting Numbers: [1961] 1961,83 unequal: No Solution Moving to Node #0,2,2 Current State: 83:[24, 66], Operations: ['37+21=58', '8+58=66'] Exploring Operation: 24*66=1584, Resulting Numbers: [1584] 1584,83 unequal: No Solution Exploring Operation: 66-24=42, Resulting Numbers: [42] 42,83 unequal: No Solution Exploring Operation: 24+66=90, Resulting Numbers: [90] 90,83 unequal: No Solution Moving to Node #0,2,1 Current State: 83:[8, 82], Operations: ['37+21=58', '24+58=82'] Exploring Operation: 8+82=90, Resulting Numbers: [90] 90,83 unequal: No Solution Exploring Operation: 8*82=656, Resulting Numbers: [656] 656,83 unequal: No Solution Exploring Operation: 82-8=74, Resulting Numbers: [74] 74,83 unequal: No Solution Moving to Node #0,0,2 Current State: 83:[8, 82], Operations: ['21+24=45', '37+45=82'] Exploring Operation: 82-8=74, Resulting Numbers: [74] 74,83 unequal: No Solution Exploring Operation: 8+82=90, Resulting Numbers: [90] 90,83 unequal: No Solution Exploring Operation: 8*82=656, Resulting Numbers: [656] 656,83 unequal: No Solution Moving to Node #0,2,0 Current State: 83:[58, 32], Operations: ['37+21=58', '24+8=32'] Exploring Operation: 58*32=1856, Resulting Numbers: [1856] 1856,83 unequal: No Solution Exploring Operation: 58-32=26, Resulting Numbers: [26] 26,83 unequal: No Solution Exploring Operation: 58+32=90, Resulting Numbers: [90] 90,83 unequal: No Solution Moving to Node #0,0,1 Current State: 83:[45, 29], Operations: ['21+24=45', '37-8=29'] Exploring Operation: 45*29=1305, Resulting Numbers: [1305] 1305,83 unequal: No Solution Exploring Operation: 45+29=74, Resulting Numbers: [74] 74,83 unequal: No Solution Exploring Operation: 45-29=16, Resulting Numbers: [16] 16,83 unequal: No Solution Moving to Node #0,2,3 Current State: 83:[58, 16], Operations: ['37+21=58', '24-8=16'] Exploring Operation: 58+16=74, Resulting Numbers: [74] 74,83 unequal: No Solution Exploring Operation: 58*16=928, Resulting Numbers: [928] 928,83 unequal: No Solution Exploring Operation: 58-16=42, Resulting Numbers: [42] 42,83 unequal: No Solution No solution found.
0
hs_4
mult_heuristic