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
[ 48, 51, 4, 55 ]
48
[ "48+51=99", "55-4=51", "99-51=48" ]
Current State: 48:[48, 51, 4, 55], Operations: [] Exploring Operation: 48+51=99, Resulting Numbers: [4, 55, 99] Generated Node #2: [4, 55, 99] from Operation: 48+51=99 Current State: 48:[4, 55, 99], Operations: ['48+51=99'] Exploring Operation: 55-4=51, Resulting Numbers: [99, 51] Generated Node #3: [99, 51] from Operation: 55-4=51 Current State: 48:[99, 51], Operations: ['48+51=99', '55-4=51'] Exploring Operation: 99-51=48, Resulting Numbers: [48] 48,48 equal: Goal Reached
4
Current State: 48:[48, 51, 4, 55], Operations: [] Exploring Operation: 55-51=4, Resulting Numbers: [48, 4, 4] Generated Node #0,0: 48:[48, 4, 4] Operation: 55-51=4 Moving to Node #0,0 Current State: 48:[48, 4, 4], Operations: ['55-51=4'] Exploring Operation: 48/4=12, Resulting Numbers: [4, 12] Generated Node #0,0,0: 48:[4, 12] Operation: 48/4=12 Moving to Node #0,0,0 Current State: 48:[4, 12], Operations: ['55-51=4', '48/4=12'] Exploring Operation: 4+12=16, Resulting Numbers: [16] 16,48 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 15, 82, 98, 85 ]
84
[ "15+82=97", "98-85=13", "97-13=84" ]
Current State: 84:[15, 82, 98, 85], Operations: [] Exploring Operation: 15+82=97, Resulting Numbers: [98, 85, 97] Generated Node #2: [98, 85, 97] from Operation: 15+82=97 Current State: 84:[98, 85, 97], Operations: ['15+82=97'] Exploring Operation: 98-85=13, Resulting Numbers: [97, 13] Generated Node #3: [97, 13] from Operation: 98-85=13 Current State: 84:[97, 13], Operations: ['15+82=97', '98-85=13'] Exploring Operation: 97-13=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
4
Current State: 84:[15, 82, 98, 85], Operations: [] Exploring Operation: 98-15=83, Resulting Numbers: [82, 85, 83] Generated Node #0,0: 84:[82, 85, 83] Operation: 98-15=83 Exploring Operation: 98-82=16, Resulting Numbers: [15, 85, 16] Generated Node #0,1: 84:[15, 85, 16] Operation: 98-82=16 Exploring Operation: 98-85=13, Resulting Numbers: [15, 82, 13] Generated Node #0,2: 84:[15, 82, 13] Operation: 98-85=13 Exploring Operation: 85-82=3, Resulting Numbers: [15, 98, 3] Generated Node #0,3: 84:[15, 98, 3] Operation: 85-82=3 Exploring Operation: 15+82=97, Resulting Numbers: [98, 85, 97] Generated Node #0,4: 84:[98, 85, 97] Operation: 15+82=97 Start Sub Search at level 1: Moving to Node #0,0 Current State: 84:[82, 85, 83], Operations: ['98-15=83'] Exploring Operation: 82+83=165, Resulting Numbers: [85, 165] Generated Node #0,0,0: 84:[85, 165] Operation: 82+83=165 Exploring Operation: 85-82=3, Resulting Numbers: [83, 3] Generated Node #0,0,1: 84:[83, 3] Operation: 85-82=3 Exploring Operation: 85-83=2, Resulting Numbers: [82, 2] Generated Node #0,0,2: 84:[82, 2] Operation: 85-83=2 Exploring Operation: 83-82=1, Resulting Numbers: [85, 1] Generated Node #0,0,3: 84:[85, 1] Operation: 83-82=1 Exploring Operation: 82+85=167, Resulting Numbers: [83, 167] Generated Node #0,0,4: 84:[83, 167] Operation: 82+85=167 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 84:[83, 3], Operations: ['98-15=83', '85-82=3'] Exploring Operation: 83-3=80, Resulting Numbers: [80] 80,84 unequal: No Solution Exploring Operation: 83*3=249, Resulting Numbers: [249] 249,84 unequal: No Solution Exploring Operation: 83+3=86, Resulting Numbers: [86] 86,84 unequal: No Solution No 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: 84:[82, 2], Operations: ['98-15=83', '85-83=2'] Exploring Operation: 82/2=41, Resulting Numbers: [41] 41,84 unequal: No Solution Exploring Operation: 82+2=84, Resulting Numbers: [84] 84,84 equal: Goal Reached Moving to Node #0 Current State: 84:[15, 82, 98, 85], Operations: [] Exploring Operation: 98-15=83, Resulting Numbers: [82, 85, 83] Generated Node #0,0: 84:[82, 85, 83] Operation: 98-15=83 Moving to Node #0,0 Current State: 84:[82, 85, 83], Operations: ['98-15=83'] Exploring Operation: 85-83=2, Resulting Numbers: [82, 2] Generated Node #0,0,2: 84:[82, 2] Operation: 85-83=2 Moving to Node #0,0,2 Current State: 84:[82, 2], Operations: ['98-15=83', '85-83=2'] Exploring Operation: 82+2=84, Resulting Numbers: [84] 84,84 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.983507
hs_5
mult_heuristic
[ 76, 78, 90, 46 ]
68
[ "78-76=2", "90+46=136", "136/2=68" ]
Current State: 68:[76, 78, 90, 46], Operations: [] Exploring Operation: 78-76=2, Resulting Numbers: [90, 46, 2] Generated Node #2: [90, 46, 2] from Operation: 78-76=2 Current State: 68:[90, 46, 2], Operations: ['78-76=2'] Exploring Operation: 90+46=136, Resulting Numbers: [2, 136] Generated Node #3: [2, 136] from Operation: 90+46=136 Current State: 68:[2, 136], Operations: ['78-76=2', '90+46=136'] Exploring Operation: 136/2=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
4
Current State: 68:[76, 78, 90, 46], Operations: [] Exploring Operation: 90-76=14, Resulting Numbers: [78, 46, 14] Generated Node #0,0: 68:[78, 46, 14] Operation: 90-76=14 Exploring Operation: 90-78=12, Resulting Numbers: [76, 46, 12] Generated Node #0,1: 68:[76, 46, 12] Operation: 90-78=12 Start Sub Search at level 1: Moving to Node #0,0 Current State: 68:[78, 46, 14], Operations: ['90-76=14'] Exploring Operation: 46-14=32, Resulting Numbers: [78, 32] Generated Node #0,0,0: 68:[78, 32] Operation: 46-14=32 Exploring Operation: 78-46=32, Resulting Numbers: [14, 32] Generated Node #0,0,1: 68:[14, 32] Operation: 78-46=32 Moving to Node #0,0,1 Current State: 68:[14, 32], Operations: ['90-76=14', '78-46=32'] Exploring Operation: 32-14=18, Resulting Numbers: [18] 18,68 unequal: No Solution Exploring Operation: 14+32=46, Resulting Numbers: [46] 46,68 unequal: No Solution Moving to Node #0,0,0 Current State: 68:[78, 32], Operations: ['90-76=14', '46-14=32'] Exploring Operation: 78-32=46, Resulting Numbers: [46] 46,68 unequal: No Solution Exploring Operation: 78+32=110, Resulting Numbers: [110] 110,68 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 68:[76, 46, 12], Operations: ['90-78=12'] Exploring Operation: 76-46=30, Resulting Numbers: [12, 30] Generated Node #0,1,0: 68:[12, 30] Operation: 76-46=30 Exploring Operation: 46-12=34, Resulting Numbers: [76, 34] Generated Node #0,1,1: 68:[76, 34] Operation: 46-12=34 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 68:[76, 34], Operations: ['90-78=12', '46-12=34'] Exploring Operation: 76+34=110, Resulting Numbers: [110] 110,68 unequal: No Solution Exploring Operation: 76-34=42, Resulting Numbers: [42] 42,68 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 #0,1,0 Current State: 68:[12, 30], Operations: ['90-78=12', '76-46=30'] Exploring Operation: 30-12=18, Resulting Numbers: [18] 18,68 unequal: No Solution Exploring Operation: 12+30=42, Resulting Numbers: [42] 42,68 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_2
mult_heuristic
[ 31, 91, 49, 13 ]
73
[ "31+49=80", "91/13=7", "80-7=73" ]
Current State: 73:[31, 91, 49, 13], Operations: [] Exploring Operation: 31+49=80, Resulting Numbers: [91, 13, 80] Generated Node #2: [91, 13, 80] from Operation: 31+49=80 Current State: 73:[91, 13, 80], Operations: ['31+49=80'] Exploring Operation: 91/13=7, Resulting Numbers: [80, 7] Generated Node #3: [80, 7] from Operation: 91/13=7 Current State: 73:[80, 7], Operations: ['31+49=80', '91/13=7'] Exploring Operation: 80-7=73, Resulting Numbers: [73] 73,73 equal: Goal Reached
4
Current State: 73:[31, 91, 49, 13], Operations: [] Exploring Operation: 31+13=44, Resulting Numbers: [91, 49, 44] Generated Node #0,0: 73:[91, 49, 44] Operation: 31+13=44 Moving to Node #0,0 Current State: 73:[91, 49, 44], Operations: ['31+13=44'] Exploring Operation: 49+44=93, Resulting Numbers: [91, 93] Generated Node #0,0,0: 73:[91, 93] Operation: 49+44=93 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 73:[91, 93], Operations: ['31+13=44', '49+44=93'] Exploring Operation: 93-91=2, Resulting Numbers: [2] 2,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 72, 68, 17, 15 ]
12
[ "68/17=4", "15*4=60", "72-60=12" ]
Current State: 12:[72, 68, 17, 15], Operations: [] Exploring Operation: 68/17=4, Resulting Numbers: [72, 15, 4] Generated Node #2: [72, 15, 4] from Operation: 68/17=4 Current State: 12:[72, 15, 4], Operations: ['68/17=4'] Exploring Operation: 15*4=60, Resulting Numbers: [72, 60] Generated Node #3: [72, 60] from Operation: 15*4=60 Current State: 12:[72, 60], Operations: ['68/17=4', '15*4=60'] Exploring Operation: 72-60=12, Resulting Numbers: [12] 12,12 equal: Goal Reached
4
Current State: 12:[72, 68, 17, 15], Operations: [] Exploring Operation: 72-68=4, Resulting Numbers: [17, 15, 4] Generated Node #0,0: 12:[17, 15, 4] Operation: 72-68=4 Exploring Operation: 68/17=4, Resulting Numbers: [72, 15, 4] Generated Node #0,1: 12:[72, 15, 4] Operation: 68/17=4 Exploring Operation: 72-17=55, Resulting Numbers: [68, 15, 55] Generated Node #0,2: 12:[68, 15, 55] Operation: 72-17=55 Start Sub Search at level 1: Moving to Node #0,0 Current State: 12:[17, 15, 4], Operations: ['72-68=4'] Exploring Operation: 15-4=11, Resulting Numbers: [17, 11] Generated Node #0,0,0: 12:[17, 11] Operation: 15-4=11 Exploring Operation: 17-4=13, Resulting Numbers: [15, 13] Generated Node #0,0,1: 12:[15, 13] Operation: 17-4=13 Exploring Operation: 17-15=2, Resulting Numbers: [4, 2] Generated Node #0,0,2: 12:[4, 2] Operation: 17-15=2 Moving to Node #0,0,2 Current State: 12:[4, 2], Operations: ['72-68=4', '17-15=2'] Exploring Operation: 4-2=2, Resulting Numbers: [2] 2,12 unequal: No Solution Exploring Operation: 4+2=6, Resulting Numbers: [6] 6,12 unequal: No Solution Exploring Operation: 4/2=2, Resulting Numbers: [2] 2,12 unequal: No Solution Moving to Node #0,0,1 Current State: 12:[15, 13], Operations: ['72-68=4', '17-4=13'] Exploring Operation: 15+13=28, Resulting Numbers: [28] 28,12 unequal: No Solution Exploring Operation: 15-13=2, Resulting Numbers: [2] 2,12 unequal: No Solution Exploring Operation: 15*13=195, Resulting Numbers: [195] 195,12 unequal: No Solution Moving to Node #0,0,0 Current State: 12:[17, 11], Operations: ['72-68=4', '15-4=11'] Exploring Operation: 17+11=28, Resulting Numbers: [28] 28,12 unequal: No Solution Exploring Operation: 17-11=6, Resulting Numbers: [6] 6,12 unequal: No Solution Exploring Operation: 17*11=187, Resulting Numbers: [187] 187,12 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 12:[72, 15, 4], Operations: ['68/17=4'] Exploring Operation: 72/4=18, Resulting Numbers: [15, 18] Generated Node #0,1,0: 12:[15, 18] Operation: 72/4=18 Exploring Operation: 72-15=57, Resulting Numbers: [4, 57] Generated Node #0,1,1: 12:[4, 57] Operation: 72-15=57 Exploring Operation: 72-4=68, Resulting Numbers: [15, 68] Generated Node #0,1,2: 12:[15, 68] Operation: 72-4=68 Moving to Node #0,1,0 Current State: 12:[15, 18], Operations: ['68/17=4', '72/4=18'] Exploring Operation: 18-15=3, Resulting Numbers: [3] 3,12 unequal: No Solution Exploring Operation: 15+18=33, Resulting Numbers: [33] 33,12 unequal: No Solution Exploring Operation: 15*18=270, Resulting Numbers: [270] 270,12 unequal: No Solution Moving to Node #0,1,1 Current State: 12:[4, 57], Operations: ['68/17=4', '72-15=57'] Exploring Operation: 4+57=61, Resulting Numbers: [61] 61,12 unequal: No Solution Exploring Operation: 4*57=228, Resulting Numbers: [228] 228,12 unequal: No Solution Exploring Operation: 57-4=53, Resulting Numbers: [53] 53,12 unequal: No Solution Moving to Node #0,1,2 Current State: 12:[15, 68], Operations: ['68/17=4', '72-4=68'] Exploring Operation: 68-15=53, Resulting Numbers: [53] 53,12 unequal: No Solution Exploring Operation: 15+68=83, Resulting Numbers: [83] 83,12 unequal: No Solution Exploring Operation: 15*68=1020, Resulting Numbers: [1020] 1020,12 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 12:[68, 15, 55], Operations: ['72-17=55'] Exploring Operation: 68-55=13, Resulting Numbers: [15, 13] Generated Node #0,2,0: 12:[15, 13] Operation: 68-55=13 Exploring Operation: 55-15=40, Resulting Numbers: [68, 40] Generated Node #0,2,1: 12:[68, 40] Operation: 55-15=40 Exploring Operation: 68-15=53, Resulting Numbers: [55, 53] Generated Node #0,2,2: 12:[55, 53] Operation: 68-15=53 Moving to Node #0,2,0 Current State: 12:[15, 13], Operations: ['72-17=55', '68-55=13'] Exploring Operation: 15+13=28, Resulting Numbers: [28] 28,12 unequal: No Solution Exploring Operation: 15-13=2, Resulting Numbers: [2] 2,12 unequal: No Solution Exploring Operation: 15*13=195, Resulting Numbers: [195] 195,12 unequal: No Solution Moving to Node #0,2,1 Current State: 12:[68, 40], Operations: ['72-17=55', '55-15=40'] Exploring Operation: 68*40=2720, Resulting Numbers: [2720] 2720,12 unequal: No Solution Exploring Operation: 68-40=28, Resulting Numbers: [28] 28,12 unequal: No Solution Exploring Operation: 68+40=108, Resulting Numbers: [108] 108,12 unequal: No Solution Moving to Node #0,2,2 Current State: 12:[55, 53], Operations: ['72-17=55', '68-15=53'] Exploring Operation: 55+53=108, Resulting Numbers: [108] 108,12 unequal: No Solution Exploring Operation: 55*53=2915, Resulting Numbers: [2915] 2915,12 unequal: No Solution Exploring Operation: 55-53=2, Resulting Numbers: [2] 2,12 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
[ 35, 75, 80, 70 ]
100
[ "35+75=110", "80-70=10", "110-10=100" ]
Current State: 100:[35, 75, 80, 70], Operations: [] Exploring Operation: 35+75=110, Resulting Numbers: [80, 70, 110] Generated Node #2: [80, 70, 110] from Operation: 35+75=110 Current State: 100:[80, 70, 110], Operations: ['35+75=110'] Exploring Operation: 80-70=10, Resulting Numbers: [110, 10] Generated Node #3: [110, 10] from Operation: 80-70=10 Current State: 100:[110, 10], Operations: ['35+75=110', '80-70=10'] Exploring Operation: 110-10=100, Resulting Numbers: [100] 100,100 equal: Goal Reached
4
Current State: 100:[35, 75, 80, 70], Operations: [] Exploring Operation: 80-70=10, Resulting Numbers: [35, 75, 10] Generated Node #0,0: 100:[35, 75, 10] Operation: 80-70=10 Exploring Operation: 75-70=5, Resulting Numbers: [35, 80, 5] Generated Node #0,1: 100:[35, 80, 5] Operation: 75-70=5 Exploring Operation: 80-75=5, Resulting Numbers: [35, 70, 5] Generated Node #0,2: 100:[35, 70, 5] Operation: 80-75=5 Moving to Node #0,1 Current State: 100:[35, 80, 5], Operations: ['75-70=5'] Exploring Operation: 80/5=16, Resulting Numbers: [35, 16] Generated Node #0,1,0: 100:[35, 16] Operation: 80/5=16 Exploring Operation: 80-35=45, Resulting Numbers: [5, 45] Generated Node #0,1,1: 100:[5, 45] Operation: 80-35=45 Exploring Operation: 35+80=115, Resulting Numbers: [5, 115] Generated Node #0,1,2: 100:[5, 115] Operation: 35+80=115 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 100:[5, 45], Operations: ['75-70=5', '80-35=45'] Exploring Operation: 5+45=50, Resulting Numbers: [50] 50,100 unequal: No Solution Exploring Operation: 45/5=9, Resulting Numbers: [9] 9,100 unequal: No Solution Exploring Operation: 45-5=40, Resulting Numbers: [40] 40,100 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:[35, 16], Operations: ['75-70=5', '80/5=16'] Exploring Operation: 35-16=19, Resulting Numbers: [19] 19,100 unequal: No Solution Exploring Operation: 35*16=560, Resulting Numbers: [560] 560,100 unequal: No Solution Exploring Operation: 35+16=51, Resulting Numbers: [51] 51,100 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 #0,1,2 Current State: 100:[5, 115], Operations: ['75-70=5', '35+80=115'] Exploring Operation: 115-5=110, Resulting Numbers: [110] 110,100 unequal: No Solution Exploring Operation: 5+115=120, Resulting Numbers: [120] 120,100 unequal: No Solution Exploring Operation: 115/5=23, Resulting Numbers: [23] 23,100 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: 100:[35, 70, 5], Operations: ['80-75=5'] Exploring Operation: 70-35=35, Resulting Numbers: [5, 35] Generated Node #0,2,0: 100:[5, 35] Operation: 70-35=35 Exploring Operation: 35+70=105, Resulting Numbers: [5, 105] Generated Node #0,2,1: 100:[5, 105] Operation: 35+70=105 Exploring Operation: 70/35=2, Resulting Numbers: [5, 2] Generated Node #0,2,2: 100:[5, 2] Operation: 70/35=2 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 100:[5, 2], Operations: ['80-75=5', '70/35=2'] Exploring Operation: 5-2=3, Resulting Numbers: [3] 3,100 unequal: No Solution Exploring Operation: 5*2=10, Resulting Numbers: [10] 10,100 unequal: No Solution Exploring Operation: 5+2=7, Resulting Numbers: [7] 7,100 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 #0,2,1 Current State: 100:[5, 105], Operations: ['80-75=5', '35+70=105'] Exploring Operation: 5+105=110, Resulting Numbers: [110] 110,100 unequal: No Solution Exploring Operation: 105-5=100, Resulting Numbers: [100] 100,100 equal: Goal Reached Moving to Node #0 Current State: 100:[35, 75, 80, 70], Operations: [] Exploring Operation: 80-75=5, Resulting Numbers: [35, 70, 5] Generated Node #0,2: 100:[35, 70, 5] Operation: 80-75=5 Moving to Node #0,2 Current State: 100:[35, 70, 5], Operations: ['80-75=5'] Exploring Operation: 35+70=105, Resulting Numbers: [5, 105] Generated Node #0,2,1: 100:[5, 105] Operation: 35+70=105 Moving to Node #0,2,1 Current State: 100:[5, 105], Operations: ['80-75=5', '35+70=105'] Exploring Operation: 105-5=100, Resulting Numbers: [100] 100,100 equal: Goal Reached Exit Sub Search at level 1
0.976563
hs_3
mult_heuristic
[ 19, 57, 95, 42 ]
84
[ "19+95=114", "114/57=2", "42*2=84" ]
Current State: 84:[19, 57, 95, 42], Operations: [] Exploring Operation: 19+95=114, Resulting Numbers: [57, 42, 114] Generated Node #2: [57, 42, 114] from Operation: 19+95=114 Current State: 84:[57, 42, 114], Operations: ['19+95=114'] Exploring Operation: 114/57=2, Resulting Numbers: [42, 2] Generated Node #3: [42, 2] from Operation: 114/57=2 Current State: 84:[42, 2], Operations: ['19+95=114', '114/57=2'] Exploring Operation: 42*2=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
4
Current State: 84:[19, 57, 95, 42], Operations: [] Exploring Operation: 95-57=38, Resulting Numbers: [19, 42, 38] Generated Node #0,0: 84:[19, 42, 38] Operation: 95-57=38 Moving to Node #0,0 Current State: 84:[19, 42, 38], Operations: ['95-57=38'] Exploring Operation: 38/19=2, Resulting Numbers: [42, 2] Generated Node #0,0,0: 84:[42, 2] Operation: 38/19=2 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 84:[42, 2], Operations: ['95-57=38', '38/19=2'] Exploring Operation: 42*2=84, Resulting Numbers: [84] 84,84 equal: Goal Reached Moving to Node #0 Current State: 84:[19, 57, 95, 42], Operations: [] Exploring Operation: 95-57=38, Resulting Numbers: [19, 42, 38] Generated Node #0,0: 84:[19, 42, 38] Operation: 95-57=38 Moving to Node #0,0 Current State: 84:[19, 42, 38], Operations: ['95-57=38'] Exploring Operation: 38/19=2, Resulting Numbers: [42, 2] Generated Node #0,0,0: 84:[42, 2] Operation: 38/19=2 Moving to Node #0,0,0 Current State: 84:[42, 2], Operations: ['95-57=38', '38/19=2'] Exploring Operation: 42*2=84, Resulting Numbers: [84] 84,84 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 24, 29, 91, 57 ]
78
[ "24*91=2184", "57-29=28", "2184/28=78" ]
Current State: 78:[24, 29, 91, 57], Operations: [] Exploring Operation: 24*91=2184, Resulting Numbers: [29, 57, 2184] Generated Node #2: [29, 57, 2184] from Operation: 24*91=2184 Current State: 78:[29, 57, 2184], Operations: ['24*91=2184'] Exploring Operation: 57-29=28, Resulting Numbers: [2184, 28] Generated Node #3: [2184, 28] from Operation: 57-29=28 Current State: 78:[2184, 28], Operations: ['24*91=2184', '57-29=28'] Exploring Operation: 2184/28=78, Resulting Numbers: [78] 78,78 equal: Goal Reached
4
Current State: 78:[24, 29, 91, 57], Operations: [] Exploring Operation: 91-57=34, Resulting Numbers: [24, 29, 34] Generated Node #0,0: 78:[24, 29, 34] Operation: 91-57=34 Start Sub Search at level 1: Moving to Node #0,0 Current State: 78:[24, 29, 34], Operations: ['91-57=34'] Exploring Operation: 34-29=5, Resulting Numbers: [24, 5] Generated Node #0,0,0: 78:[24, 5] Operation: 34-29=5 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 78:[24, 5], Operations: ['91-57=34', '34-29=5'] Exploring Operation: 24+5=29, Resulting Numbers: [29] 29,78 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
[ 3, 26, 46, 62 ]
94
[ "3*26=78", "62-46=16", "78+16=94" ]
Current State: 94:[3, 26, 46, 62], Operations: [] Exploring Operation: 3*26=78, Resulting Numbers: [46, 62, 78] Generated Node #2: [46, 62, 78] from Operation: 3*26=78 Current State: 94:[46, 62, 78], Operations: ['3*26=78'] Exploring Operation: 62-46=16, Resulting Numbers: [78, 16] Generated Node #3: [78, 16] from Operation: 62-46=16 Current State: 94:[78, 16], Operations: ['3*26=78', '62-46=16'] Exploring Operation: 78+16=94, Resulting Numbers: [94] 94,94 equal: Goal Reached
4
Current State: 94:[3, 26, 46, 62], Operations: [] Exploring Operation: 62-26=36, Resulting Numbers: [3, 46, 36] Generated Node #0,0: 94:[3, 46, 36] Operation: 62-26=36 Exploring Operation: 26+62=88, Resulting Numbers: [3, 46, 88] Generated Node #0,1: 94:[3, 46, 88] Operation: 26+62=88 Exploring Operation: 3*26=78, Resulting Numbers: [46, 62, 78] Generated Node #0,2: 94:[46, 62, 78] Operation: 3*26=78 Moving to Node #0,1 Current State: 94:[3, 46, 88], Operations: ['26+62=88'] Exploring Operation: 88-46=42, Resulting Numbers: [3, 42] Generated Node #0,1,0: 94:[3, 42] Operation: 88-46=42 Exploring Operation: 3+88=91, Resulting Numbers: [46, 91] Generated Node #0,1,1: 94:[46, 91] Operation: 3+88=91 Exploring Operation: 3+46=49, Resulting Numbers: [88, 49] Generated Node #0,1,2: 94:[88, 49] Operation: 3+46=49 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 94:[46, 91], Operations: ['26+62=88', '3+88=91'] Exploring Operation: 46*91=4186, Resulting Numbers: [4186] 4186,94 unequal: No Solution Exploring Operation: 91-46=45, Resulting Numbers: [45] 45,94 unequal: No Solution Exploring Operation: 46+91=137, Resulting Numbers: [137] 137,94 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:[3, 42], Operations: ['26+62=88', '88-46=42'] Exploring Operation: 42-3=39, Resulting Numbers: [39] 39,94 unequal: No Solution Exploring Operation: 3+42=45, Resulting Numbers: [45] 45,94 unequal: No Solution Exploring Operation: 42/3=14, Resulting Numbers: [14] 14,94 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:[88, 49], Operations: ['26+62=88', '3+46=49'] Exploring Operation: 88+49=137, Resulting Numbers: [137] 137,94 unequal: No Solution Exploring Operation: 88*49=4312, Resulting Numbers: [4312] 4312,94 unequal: No Solution Exploring Operation: 88-49=39, Resulting Numbers: [39] 39,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 94:[3, 46, 36], Operations: ['62-26=36'] Exploring Operation: 36/3=12, Resulting Numbers: [46, 12] Generated Node #0,0,0: 94:[46, 12] Operation: 36/3=12 Exploring Operation: 46-36=10, Resulting Numbers: [3, 10] Generated Node #0,0,1: 94:[3, 10] Operation: 46-36=10 Exploring Operation: 3+36=39, Resulting Numbers: [46, 39] Generated Node #0,0,2: 94:[46, 39] Operation: 3+36=39 Moving to Node #0,2 Current State: 94:[46, 62, 78], Operations: ['3*26=78'] Exploring Operation: 46+62=108, Resulting Numbers: [78, 108] Generated Node #0,2,0: 94:[78, 108] Operation: 46+62=108 Exploring Operation: 62-46=16, Resulting Numbers: [78, 16] Generated Node #0,2,1: 94:[78, 16] Operation: 62-46=16 Exploring Operation: 78-62=16, Resulting Numbers: [46, 16] Generated Node #0,2,2: 94:[46, 16] Operation: 78-62=16 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 94:[46, 16], Operations: ['3*26=78', '78-62=16'] Exploring Operation: 46+16=62, Resulting Numbers: [62] 62,94 unequal: No Solution Exploring Operation: 46*16=736, Resulting Numbers: [736] 736,94 unequal: No Solution Exploring Operation: 46-16=30, Resulting Numbers: [30] 30,94 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:[78, 108], Operations: ['3*26=78', '46+62=108'] Exploring Operation: 78+108=186, Resulting Numbers: [186] 186,94 unequal: No Solution Exploring Operation: 108-78=30, Resulting Numbers: [30] 30,94 unequal: No Solution Exploring Operation: 78*108=8424, Resulting Numbers: [8424] 8424,94 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:[78, 16], Operations: ['3*26=78', '62-46=16'] Exploring Operation: 78-16=62, Resulting Numbers: [62] 62,94 unequal: No Solution Exploring Operation: 78+16=94, Resulting Numbers: [94] 94,94 equal: Goal Reached Moving to Node #0 Current State: 94:[3, 26, 46, 62], Operations: [] Exploring Operation: 3*26=78, Resulting Numbers: [46, 62, 78] Generated Node #0,2: 94:[46, 62, 78] Operation: 3*26=78 Moving to Node #0,2 Current State: 94:[46, 62, 78], Operations: ['3*26=78'] Exploring Operation: 62-46=16, Resulting Numbers: [78, 16] Generated Node #0,2,1: 94:[78, 16] Operation: 62-46=16 Moving to Node #0,2,1 Current State: 94:[78, 16], Operations: ['3*26=78', '62-46=16'] Exploring Operation: 78+16=94, Resulting Numbers: [94] 94,94 equal: Goal Reached Exit Sub Search at level 1
0.971354
hs_3
mult_heuristic
[ 30, 26, 4, 81 ]
67
[ "30+26=56", "56/4=14", "81-14=67" ]
Current State: 67:[30, 26, 4, 81], Operations: [] Exploring Operation: 30+26=56, Resulting Numbers: [4, 81, 56] Generated Node #2: [4, 81, 56] from Operation: 30+26=56 Current State: 67:[4, 81, 56], Operations: ['30+26=56'] Exploring Operation: 56/4=14, Resulting Numbers: [81, 14] Generated Node #3: [81, 14] from Operation: 56/4=14 Current State: 67:[81, 14], Operations: ['30+26=56', '56/4=14'] Exploring Operation: 81-14=67, Resulting Numbers: [67] 67,67 equal: Goal Reached
4
Current State: 67:[30, 26, 4, 81], Operations: [] Exploring Operation: 30+26=56, Resulting Numbers: [4, 81, 56] Generated Node #0,0: 67:[4, 81, 56] Operation: 30+26=56 Moving to Node #0,0 Current State: 67:[4, 81, 56], Operations: ['30+26=56'] Exploring Operation: 81-4=77, Resulting Numbers: [56, 77] Generated Node #0,0,0: 67:[56, 77] Operation: 81-4=77 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 67:[56, 77], Operations: ['30+26=56', '81-4=77'] Exploring Operation: 77-56=21, Resulting Numbers: [21] 21,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 4, 97, 18, 82 ]
81
[ "82-18=64", "64/4=16", "97-16=81" ]
Current State: 81:[4, 97, 18, 82], Operations: [] Exploring Operation: 82-18=64, Resulting Numbers: [4, 97, 64] Generated Node #2: [4, 97, 64] from Operation: 82-18=64 Current State: 81:[4, 97, 64], Operations: ['82-18=64'] Exploring Operation: 64/4=16, Resulting Numbers: [97, 16] Generated Node #3: [97, 16] from Operation: 64/4=16 Current State: 81:[97, 16], Operations: ['82-18=64', '64/4=16'] Exploring Operation: 97-16=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[4, 97, 18, 82], Operations: [] Exploring Operation: 97-18=79, Resulting Numbers: [4, 82, 79] Generated Node #0,0: 81:[4, 82, 79] Operation: 97-18=79 Exploring Operation: 97-4=93, Resulting Numbers: [18, 82, 93] Generated Node #0,1: 81:[18, 82, 93] Operation: 97-4=93 Exploring Operation: 97-82=15, Resulting Numbers: [4, 18, 15] Generated Node #0,2: 81:[4, 18, 15] Operation: 97-82=15 Start Sub Search at level 1: Moving to Node #0,0 Current State: 81:[4, 82, 79], Operations: ['97-18=79'] Exploring Operation: 4+79=83, Resulting Numbers: [82, 83] Generated Node #0,0,0: 81:[82, 83] Operation: 4+79=83 Exploring Operation: 82-79=3, Resulting Numbers: [4, 3] Generated Node #0,0,1: 81:[4, 3] Operation: 82-79=3 Exploring Operation: 82-4=78, Resulting Numbers: [79, 78] Generated Node #0,0,2: 81:[79, 78] Operation: 82-4=78 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 81:[4, 3], Operations: ['97-18=79', '82-79=3'] Exploring Operation: 4-3=1, Resulting Numbers: [1] 1,81 unequal: No Solution Exploring Operation: 4*3=12, Resulting Numbers: [12] 12,81 unequal: No Solution Exploring Operation: 4+3=7, Resulting Numbers: [7] 7,81 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 81:[82, 83], Operations: ['97-18=79', '4+79=83'] Exploring Operation: 82+83=165, Resulting Numbers: [165] 165,81 unequal: No Solution Exploring Operation: 83-82=1, Resulting Numbers: [1] 1,81 unequal: No Solution Exploring Operation: 82*83=6806, Resulting Numbers: [6806] 6806,81 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 81:[79, 78], Operations: ['97-18=79', '82-4=78'] Exploring Operation: 79*78=6162, Resulting Numbers: [6162] 6162,81 unequal: No Solution Exploring Operation: 79-78=1, Resulting Numbers: [1] 1,81 unequal: No Solution Exploring Operation: 79+78=157, Resulting Numbers: [157] 157,81 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 81:[4, 18, 15], Operations: ['97-82=15'] Exploring Operation: 4+18=22, Resulting Numbers: [15, 22] Generated Node #0,2,0: 81:[15, 22] Operation: 4+18=22 Exploring Operation: 18+15=33, Resulting Numbers: [4, 33] Generated Node #0,2,1: 81:[4, 33] Operation: 18+15=33 Exploring Operation: 18-15=3, Resulting Numbers: [4, 3] Generated Node #0,2,2: 81:[4, 3] Operation: 18-15=3 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 81:[4, 3], Operations: ['97-82=15', '18-15=3'] Exploring Operation: 4-3=1, Resulting Numbers: [1] 1,81 unequal: No Solution Exploring Operation: 4*3=12, Resulting Numbers: [12] 12,81 unequal: No Solution Exploring Operation: 4+3=7, Resulting Numbers: [7] 7,81 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 81:[4, 33], Operations: ['97-82=15', '18+15=33'] Exploring Operation: 33-4=29, Resulting Numbers: [29] 29,81 unequal: No Solution Exploring Operation: 4*33=132, Resulting Numbers: [132] 132,81 unequal: No Solution Exploring Operation: 4+33=37, Resulting Numbers: [37] 37,81 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 81:[15, 22], Operations: ['97-82=15', '4+18=22'] Exploring Operation: 22-15=7, Resulting Numbers: [7] 7,81 unequal: No Solution Exploring Operation: 15+22=37, Resulting Numbers: [37] 37,81 unequal: No Solution Exploring Operation: 15*22=330, Resulting Numbers: [330] 330,81 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 81:[18, 82, 93], Operations: ['97-4=93'] Exploring Operation: 93-82=11, Resulting Numbers: [18, 11] Generated Node #0,1,0: 81:[18, 11] Operation: 93-82=11 Exploring Operation: 93-18=75, Resulting Numbers: [82, 75] Generated Node #0,1,1: 81:[82, 75] Operation: 93-18=75 Exploring Operation: 82-18=64, Resulting Numbers: [93, 64] Generated Node #0,1,2: 81:[93, 64] Operation: 82-18=64 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 81:[82, 75], Operations: ['97-4=93', '93-18=75'] Exploring Operation: 82-75=7, Resulting Numbers: [7] 7,81 unequal: No Solution Exploring Operation: 82+75=157, Resulting Numbers: [157] 157,81 unequal: No Solution Exploring Operation: 82*75=6150, Resulting Numbers: [6150] 6150,81 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 81:[18, 11], Operations: ['97-4=93', '93-82=11'] Exploring Operation: 18-11=7, Resulting Numbers: [7] 7,81 unequal: No Solution Exploring Operation: 18+11=29, Resulting Numbers: [29] 29,81 unequal: No Solution Exploring Operation: 18*11=198, Resulting Numbers: [198] 198,81 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 81:[93, 64], Operations: ['97-4=93', '82-18=64'] Exploring Operation: 93*64=5952, Resulting Numbers: [5952] 5952,81 unequal: No Solution Exploring Operation: 93+64=157, Resulting Numbers: [157] 157,81 unequal: No Solution Exploring Operation: 93-64=29, Resulting Numbers: [29] 29,81 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
mult_heuristic
[ 32, 35, 20, 98 ]
81
[ "35-32=3", "98-20=78", "3+78=81" ]
Current State: 81:[32, 35, 20, 98], Operations: [] Exploring Operation: 35-32=3, Resulting Numbers: [20, 98, 3] Generated Node #2: [20, 98, 3] from Operation: 35-32=3 Current State: 81:[20, 98, 3], Operations: ['35-32=3'] Exploring Operation: 98-20=78, Resulting Numbers: [3, 78] Generated Node #3: [3, 78] from Operation: 98-20=78 Current State: 81:[3, 78], Operations: ['35-32=3', '98-20=78'] Exploring Operation: 3+78=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[32, 35, 20, 98], Operations: [] Exploring Operation: 35-32=3, Resulting Numbers: [20, 98, 3] Generated Node #0,0: 81:[20, 98, 3] Operation: 35-32=3 Exploring Operation: 98-20=78, Resulting Numbers: [32, 35, 78] Generated Node #0,1: 81:[32, 35, 78] Operation: 98-20=78 Moving to Node #0,1 Current State: 81:[32, 35, 78], Operations: ['98-20=78'] Exploring Operation: 32+35=67, Resulting Numbers: [78, 67] Generated Node #0,1,0: 81:[78, 67] Operation: 32+35=67 Exploring Operation: 35-32=3, Resulting Numbers: [78, 3] Generated Node #0,1,1: 81:[78, 3] Operation: 35-32=3 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 81:[78, 3], Operations: ['98-20=78', '35-32=3'] Exploring Operation: 78+3=81, Resulting Numbers: [81] 81,81 equal: Goal Reached Moving to Node #0 Current State: 81:[32, 35, 20, 98], Operations: [] Exploring Operation: 98-20=78, Resulting Numbers: [32, 35, 78] Generated Node #0,1: 81:[32, 35, 78] Operation: 98-20=78 Moving to Node #0,1 Current State: 81:[32, 35, 78], Operations: ['98-20=78'] Exploring Operation: 35-32=3, Resulting Numbers: [78, 3] Generated Node #0,1,1: 81:[78, 3] Operation: 35-32=3 Moving to Node #0,1,1 Current State: 81:[78, 3], Operations: ['98-20=78', '35-32=3'] Exploring Operation: 78+3=81, Resulting Numbers: [81] 81,81 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
sum_heuristic
[ 1, 35, 70, 61 ]
96
[ "1*35=35", "70+61=131", "131-35=96" ]
Current State: 96:[1, 35, 70, 61], Operations: [] Exploring Operation: 1*35=35, Resulting Numbers: [70, 61, 35] Generated Node #2: [70, 61, 35] from Operation: 1*35=35 Current State: 96:[70, 61, 35], Operations: ['1*35=35'] Exploring Operation: 70+61=131, Resulting Numbers: [35, 131] Generated Node #3: [35, 131] from Operation: 70+61=131 Current State: 96:[35, 131], Operations: ['1*35=35', '70+61=131'] Exploring Operation: 131-35=96, Resulting Numbers: [96] 96,96 equal: Goal Reached
4
Current State: 96:[1, 35, 70, 61], Operations: [] Exploring Operation: 70-35=35, Resulting Numbers: [1, 61, 35] Generated Node #0,0: 96:[1, 61, 35] Operation: 70-35=35 Exploring Operation: 70-61=9, Resulting Numbers: [1, 35, 9] Generated Node #0,1: 96:[1, 35, 9] Operation: 70-61=9 Exploring Operation: 70/35=2, Resulting Numbers: [1, 61, 2] Generated Node #0,2: 96:[1, 61, 2] Operation: 70/35=2 Start Sub Search at level 1: Moving to Node #0,1 Current State: 96:[1, 35, 9], Operations: ['70-61=9'] Exploring Operation: 35-9=26, Resulting Numbers: [1, 26] Generated Node #0,1,0: 96:[1, 26] Operation: 35-9=26 Exploring Operation: 9-1=8, Resulting Numbers: [35, 8] Generated Node #0,1,1: 96:[35, 8] Operation: 9-1=8 Exploring Operation: 35-1=34, Resulting Numbers: [9, 34] Generated Node #0,1,2: 96:[9, 34] Operation: 35-1=34 Moving to Node #0,1,0 Current State: 96:[1, 26], Operations: ['70-61=9', '35-9=26'] Exploring Operation: 26-1=25, Resulting Numbers: [25] 25,96 unequal: No Solution Exploring Operation: 1*26=26, Resulting Numbers: [26] 26,96 unequal: No Solution Exploring Operation: 26/1=26, Resulting Numbers: [26] 26,96 unequal: No Solution Moving to Node #0,1,1 Current State: 96:[35, 8], Operations: ['70-61=9', '9-1=8'] Exploring Operation: 35-8=27, Resulting Numbers: [27] 27,96 unequal: No Solution Exploring Operation: 35*8=280, Resulting Numbers: [280] 280,96 unequal: No Solution Exploring Operation: 35+8=43, Resulting Numbers: [43] 43,96 unequal: No Solution Moving to Node #0,1,2 Current State: 96:[9, 34], Operations: ['70-61=9', '35-1=34'] Exploring Operation: 9*34=306, Resulting Numbers: [306] 306,96 unequal: No Solution Exploring Operation: 9+34=43, Resulting Numbers: [43] 43,96 unequal: No Solution Exploring Operation: 34-9=25, Resulting Numbers: [25] 25,96 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 96:[1, 61, 2], Operations: ['70/35=2'] Exploring Operation: 61-1=60, Resulting Numbers: [2, 60] Generated Node #0,2,0: 96:[2, 60] Operation: 61-1=60 Exploring Operation: 61-2=59, Resulting Numbers: [1, 59] Generated Node #0,2,1: 96:[1, 59] Operation: 61-2=59 Exploring Operation: 1*61=61, Resulting Numbers: [2, 61] Generated Node #0,2,2: 96:[2, 61] Operation: 1*61=61 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 96:[2, 60], Operations: ['70/35=2', '61-1=60'] Exploring Operation: 2+60=62, Resulting Numbers: [62] 62,96 unequal: No Solution Exploring Operation: 60/2=30, Resulting Numbers: [30] 30,96 unequal: No Solution Exploring Operation: 60-2=58, Resulting Numbers: [58] 58,96 unequal: No Solution No 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: 96:[1, 59], Operations: ['70/35=2', '61-2=59'] Exploring Operation: 59/1=59, Resulting Numbers: [59] 59,96 unequal: No Solution Exploring Operation: 59-1=58, Resulting Numbers: [58] 58,96 unequal: No Solution Exploring Operation: 1*59=59, Resulting Numbers: [59] 59,96 unequal: No Solution No 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: 96:[2, 61], Operations: ['70/35=2', '1*61=61'] Exploring Operation: 2*61=122, Resulting Numbers: [122] 122,96 unequal: No Solution Exploring Operation: 61-2=59, Resulting Numbers: [59] 59,96 unequal: No Solution Exploring Operation: 2+61=63, Resulting Numbers: [63] 63,96 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: 96:[1, 61, 35], Operations: ['70-35=35'] Exploring Operation: 61-35=26, Resulting Numbers: [1, 26] Generated Node #0,0,0: 96:[1, 26] Operation: 61-35=26 Exploring Operation: 61+35=96, Resulting Numbers: [1, 96] Generated Node #0,0,1: 96:[1, 96] Operation: 61+35=96 Exploring Operation: 61-1=60, Resulting Numbers: [35, 60] Generated Node #0,0,2: 96:[35, 60] Operation: 61-1=60 Moving to Node #0,0,1 Current State: 96:[1, 96], Operations: ['70-35=35', '61+35=96'] Exploring Operation: 96/1=96, Resulting Numbers: [96] 96,96 equal: Goal Reached Moving to Node #0 Current State: 96:[1, 35, 70, 61], Operations: [] Exploring Operation: 70-35=35, Resulting Numbers: [1, 61, 35] Generated Node #0,0: 96:[1, 61, 35] Operation: 70-35=35 Moving to Node #0,0 Current State: 96:[1, 61, 35], Operations: ['70-35=35'] Exploring Operation: 61+35=96, Resulting Numbers: [1, 96] Generated Node #0,0,1: 96:[1, 96] Operation: 61+35=96 Moving to Node #0,0,1 Current State: 96:[1, 96], Operations: ['70-35=35', '61+35=96'] Exploring Operation: 96/1=96, Resulting Numbers: [96] 96,96 equal: Goal Reached Exit Sub Search at level 1
0.969618
hs_3
mult_heuristic
[ 38, 90, 82, 79 ]
55
[ "90-38=52", "82-79=3", "52+3=55" ]
Current State: 55:[38, 90, 82, 79], Operations: [] Exploring Operation: 90-38=52, Resulting Numbers: [82, 79, 52] Generated Node #2: [82, 79, 52] from Operation: 90-38=52 Current State: 55:[82, 79, 52], Operations: ['90-38=52'] Exploring Operation: 82-79=3, Resulting Numbers: [52, 3] Generated Node #3: [52, 3] from Operation: 82-79=3 Current State: 55:[52, 3], Operations: ['90-38=52', '82-79=3'] Exploring Operation: 52+3=55, Resulting Numbers: [55] 55,55 equal: Goal Reached
4
Current State: 55:[38, 90, 82, 79], Operations: [] Exploring Operation: 82-79=3, Resulting Numbers: [38, 90, 3] Generated Node #0,0: 55:[38, 90, 3] Operation: 82-79=3 Exploring Operation: 90-38=52, Resulting Numbers: [82, 79, 52] Generated Node #0,1: 55:[82, 79, 52] Operation: 90-38=52 Exploring Operation: 90-82=8, Resulting Numbers: [38, 79, 8] Generated Node #0,2: 55:[38, 79, 8] Operation: 90-82=8 Exploring Operation: 90-79=11, Resulting Numbers: [38, 82, 11] Generated Node #0,3: 55:[38, 82, 11] Operation: 90-79=11 Exploring Operation: 82-38=44, Resulting Numbers: [90, 79, 44] Generated Node #0,4: 55:[90, 79, 44] Operation: 82-38=44 Start Sub Search at level 1: Moving to Node #0,2 Current State: 55:[38, 79, 8], Operations: ['90-82=8'] Exploring Operation: 79-8=71, Resulting Numbers: [38, 71] Generated Node #0,2,0: 55:[38, 71] Operation: 79-8=71 Exploring Operation: 79+8=87, Resulting Numbers: [38, 87] Generated Node #0,2,1: 55:[38, 87] Operation: 79+8=87 Exploring Operation: 38+8=46, Resulting Numbers: [79, 46] Generated Node #0,2,2: 55:[79, 46] Operation: 38+8=46 Exploring Operation: 79-38=41, Resulting Numbers: [8, 41] Generated Node #0,2,3: 55:[8, 41] Operation: 79-38=41 Exploring Operation: 38-8=30, Resulting Numbers: [79, 30] Generated Node #0,2,4: 55:[79, 30] Operation: 38-8=30 Moving to Node #0,2,3 Current State: 55:[8, 41], Operations: ['90-82=8', '79-38=41'] Exploring Operation: 8+41=49, Resulting Numbers: [49] 49,55 unequal: No Solution Exploring Operation: 8*41=328, Resulting Numbers: [328] 328,55 unequal: No Solution Exploring Operation: 41-8=33, Resulting Numbers: [33] 33,55 unequal: No Solution Moving to Node #0,2,2 Current State: 55:[79, 46], Operations: ['90-82=8', '38+8=46'] Exploring Operation: 79-46=33, Resulting Numbers: [33] 33,55 unequal: No Solution Exploring Operation: 79*46=3634, Resulting Numbers: [3634] 3634,55 unequal: No Solution Exploring Operation: 79+46=125, Resulting Numbers: [125] 125,55 unequal: No Solution Moving to Node #0,2,0 Current State: 55:[38, 71], Operations: ['90-82=8', '79-8=71'] Exploring Operation: 38+71=109, Resulting Numbers: [109] 109,55 unequal: No Solution Exploring Operation: 38*71=2698, Resulting Numbers: [2698] 2698,55 unequal: No Solution Exploring Operation: 71-38=33, Resulting Numbers: [33] 33,55 unequal: No Solution Moving to Node #0,2,4 Current State: 55:[79, 30], Operations: ['90-82=8', '38-8=30'] Exploring Operation: 79+30=109, Resulting Numbers: [109] 109,55 unequal: No Solution Exploring Operation: 79*30=2370, Resulting Numbers: [2370] 2370,55 unequal: No Solution Exploring Operation: 79-30=49, Resulting Numbers: [49] 49,55 unequal: No Solution Moving to Node #0,2,1 Current State: 55:[38, 87], Operations: ['90-82=8', '79+8=87'] Exploring Operation: 87-38=49, Resulting Numbers: [49] 49,55 unequal: No Solution Exploring Operation: 38+87=125, Resulting Numbers: [125] 125,55 unequal: No Solution Exploring Operation: 38*87=3306, Resulting Numbers: [3306] 3306,55 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 55:[38, 82, 11], Operations: ['90-79=11'] Exploring Operation: 82-38=44, Resulting Numbers: [11, 44] Generated Node #0,3,0: 55:[11, 44] Operation: 82-38=44 Exploring Operation: 38+11=49, Resulting Numbers: [82, 49] Generated Node #0,3,1: 55:[82, 49] Operation: 38+11=49 Exploring Operation: 82+11=93, Resulting Numbers: [38, 93] Generated Node #0,3,2: 55:[38, 93] Operation: 82+11=93 Exploring Operation: 82-11=71, Resulting Numbers: [38, 71] Generated Node #0,3,3: 55:[38, 71] Operation: 82-11=71 Exploring Operation: 38-11=27, Resulting Numbers: [82, 27] Generated Node #0,3,4: 55:[82, 27] Operation: 38-11=27 Moving to Node #0,3,0 Current State: 55:[11, 44], Operations: ['90-79=11', '82-38=44'] Exploring Operation: 11*44=484, Resulting Numbers: [484] 484,55 unequal: No Solution Exploring Operation: 44-11=33, Resulting Numbers: [33] 33,55 unequal: No Solution Exploring Operation: 44/11=4, Resulting Numbers: [4] 4,55 unequal: No Solution Exploring Operation: 11+44=55, Resulting Numbers: [55] 55,55 equal: Goal Reached Moving to Node #0 Current State: 55:[38, 90, 82, 79], Operations: [] Exploring Operation: 90-79=11, Resulting Numbers: [38, 82, 11] Generated Node #0,3: 55:[38, 82, 11] Operation: 90-79=11 Moving to Node #0,3 Current State: 55:[38, 82, 11], Operations: ['90-79=11'] Exploring Operation: 82-38=44, Resulting Numbers: [11, 44] Generated Node #0,3,0: 55:[11, 44] Operation: 82-38=44 Moving to Node #0,3,0 Current State: 55:[11, 44], Operations: ['90-79=11', '82-38=44'] Exploring Operation: 11+44=55, Resulting Numbers: [55] 55,55 equal: Goal Reached Exit Sub Search at level 1
0.967014
hs_5
sum_heuristic
[ 88, 63, 59, 13 ]
97
[ "88-63=25", "59+13=72", "25+72=97" ]
Current State: 97:[88, 63, 59, 13], Operations: [] Exploring Operation: 88-63=25, Resulting Numbers: [59, 13, 25] Generated Node #2: [59, 13, 25] from Operation: 88-63=25 Current State: 97:[59, 13, 25], Operations: ['88-63=25'] Exploring Operation: 59+13=72, Resulting Numbers: [25, 72] Generated Node #3: [25, 72] from Operation: 59+13=72 Current State: 97:[25, 72], Operations: ['88-63=25', '59+13=72'] Exploring Operation: 25+72=97, Resulting Numbers: [97] 97,97 equal: Goal Reached
4
Current State: 97:[88, 63, 59, 13], Operations: [] Exploring Operation: 63+13=76, Resulting Numbers: [88, 59, 76] Generated Node #0,0: 97:[88, 59, 76] Operation: 63+13=76 Moving to Node #0,0 Current State: 97:[88, 59, 76], Operations: ['63+13=76'] Exploring Operation: 59+76=135, Resulting Numbers: [88, 135] Generated Node #0,0,0: 97:[88, 135] Operation: 59+76=135 Moving to Node #0,0,0 Current State: 97:[88, 135], Operations: ['63+13=76', '59+76=135'] Exploring Operation: 135-88=47, Resulting Numbers: [47] 47,97 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 34, 39, 6, 69 ]
52
[ "39+69=108", "108/6=18", "34+18=52" ]
Current State: 52:[34, 39, 6, 69], Operations: [] Exploring Operation: 39+69=108, Resulting Numbers: [34, 6, 108] Generated Node #2: [34, 6, 108] from Operation: 39+69=108 Current State: 52:[34, 6, 108], Operations: ['39+69=108'] Exploring Operation: 108/6=18, Resulting Numbers: [34, 18] Generated Node #3: [34, 18] from Operation: 108/6=18 Current State: 52:[34, 18], Operations: ['39+69=108', '108/6=18'] Exploring Operation: 34+18=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[34, 39, 6, 69], Operations: [] Exploring Operation: 39-34=5, Resulting Numbers: [6, 69, 5] Generated Node #0,0: 52:[6, 69, 5] Operation: 39-34=5 Exploring Operation: 69-39=30, Resulting Numbers: [34, 6, 30] Generated Node #0,1: 52:[34, 6, 30] Operation: 69-39=30 Moving to Node #0,1 Current State: 52:[34, 6, 30], Operations: ['69-39=30'] Exploring Operation: 34-30=4, Resulting Numbers: [6, 4] Generated Node #0,1,0: 52:[6, 4] Operation: 34-30=4 Exploring Operation: 34-6=28, Resulting Numbers: [30, 28] Generated Node #0,1,1: 52:[30, 28] Operation: 34-6=28 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 52:[6, 4], Operations: ['69-39=30', '34-30=4'] Exploring Operation: 6*4=24, Resulting Numbers: [24] 24,52 unequal: No Solution Exploring Operation: 6-4=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 #0,1,1 Current State: 52:[30, 28], Operations: ['69-39=30', '34-6=28'] Exploring Operation: 30-28=2, Resulting Numbers: [2] 2,52 unequal: No Solution Exploring Operation: 30+28=58, Resulting Numbers: [58] 58,52 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:[6, 69, 5], Operations: ['39-34=5'] Exploring Operation: 69-6=63, Resulting Numbers: [5, 63] Generated Node #0,0,0: 52:[5, 63] Operation: 69-6=63 Exploring Operation: 69-5=64, Resulting Numbers: [6, 64] Generated Node #0,0,1: 52:[6, 64] Operation: 69-5=64 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 52:[5, 63], Operations: ['39-34=5', '69-6=63'] Exploring Operation: 63-5=58, Resulting Numbers: [58] 58,52 unequal: No Solution Exploring Operation: 5+63=68, Resulting Numbers: [68] 68,52 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:[6, 64], Operations: ['39-34=5', '69-5=64'] Exploring Operation: 64-6=58, Resulting Numbers: [58] 58,52 unequal: No Solution Exploring Operation: 6+64=70, Resulting Numbers: [70] 70,52 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
[ 38, 82, 32, 32 ]
29
[ "82+32=114", "114/38=3", "32-3=29" ]
Current State: 29:[38, 82, 32, 32], Operations: [] Exploring Operation: 82+32=114, Resulting Numbers: [38, 114] Generated Node #2: [38, 114] from Operation: 82+32=114 Current State: 29:[38, 114], Operations: ['82+32=114'] Exploring Operation: 114/38=3, Resulting Numbers: [3] 3,29 equal: Goal Reached Exploring Operation: 32-3=29, Resulting Numbers: [29] 29,29 equal: Goal Reached
4
Current State: 29:[38, 82, 32, 32], Operations: [] Exploring Operation: 38-32=6, Resulting Numbers: [82, 32, 6] Generated Node #0,0: 29:[82, 32, 6] Operation: 38-32=6 Exploring Operation: 82-32=50, Resulting Numbers: [38, 32, 50] Generated Node #0,1: 29:[38, 32, 50] Operation: 82-32=50 Exploring Operation: 38-32=6, Resulting Numbers: [82, 32, 6] Generated Node #0,2: 29:[82, 32, 6] Operation: 38-32=6 Exploring Operation: 82-32=50, Resulting Numbers: [38, 32, 50] Generated Node #0,3: 29:[38, 32, 50] Operation: 82-32=50 Exploring Operation: 82-38=44, Resulting Numbers: [32, 32, 44] Generated Node #0,4: 29:[32, 32, 44] Operation: 82-38=44 Moving to Node #0,4 Current State: 29:[32, 32, 44], Operations: ['82-38=44'] Exploring Operation: 32+32=64, Resulting Numbers: [44, 64] Generated Node #0,4,0: 29:[44, 64] Operation: 32+32=64 Exploring Operation: 44-32=12, Resulting Numbers: [32, 12] Generated Node #0,4,1: 29:[32, 12] Operation: 44-32=12 Exploring Operation: 32-32=0, Resulting Numbers: [44, 0] Generated Node #0,4,2: 29:[44, 0] Operation: 32-32=0 Exploring Operation: 32/32=1, Resulting Numbers: [44, 1] Generated Node #0,4,3: 29:[44, 1] Operation: 32/32=1 Exploring Operation: 44-32=12, Resulting Numbers: [32, 12] Generated Node #0,4,4: 29:[32, 12] Operation: 44-32=12 Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 29:[32, 12], Operations: ['82-38=44', '44-32=12'] Exploring Operation: 32+12=44, Resulting Numbers: [44] 44,29 unequal: No Solution Exploring Operation: 32-12=20, Resulting Numbers: [20] 20,29 unequal: No Solution Exploring Operation: 32*12=384, Resulting Numbers: [384] 384,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 29:[32, 12], Operations: ['82-38=44', '44-32=12'] Exploring Operation: 32-12=20, Resulting Numbers: [20] 20,29 unequal: No Solution Exploring Operation: 32*12=384, Resulting Numbers: [384] 384,29 unequal: No Solution Exploring Operation: 32+12=44, Resulting Numbers: [44] 44,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 29:[44, 1], Operations: ['82-38=44', '32/32=1'] Exploring Operation: 44*1=44, Resulting Numbers: [44] 44,29 unequal: No Solution Exploring Operation: 44-1=43, Resulting Numbers: [43] 43,29 unequal: No Solution Exploring Operation: 44+1=45, Resulting Numbers: [45] 45,29 unequal: No Solution Exploring Operation: 44/1=44, Resulting Numbers: [44] 44,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 29:[44, 0], Operations: ['82-38=44', '32-32=0'] Exploring Operation: 44*0=0, Resulting Numbers: [0] 0,29 unequal: No Solution Exploring Operation: 44-0=44, Resulting Numbers: [44] 44,29 unequal: No Solution Exploring Operation: 44+0=44, Resulting Numbers: [44] 44,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 29:[44, 64], Operations: ['82-38=44', '32+32=64'] Exploring Operation: 44+64=108, Resulting Numbers: [108] 108,29 unequal: No Solution Exploring Operation: 44*64=2816, Resulting Numbers: [2816] 2816,29 unequal: No Solution Exploring Operation: 64-44=20, Resulting Numbers: [20] 20,29 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: 29:[38, 32, 50], Operations: ['82-32=50'] Exploring Operation: 50-38=12, Resulting Numbers: [32, 12] Generated Node #0,3,0: 29:[32, 12] Operation: 50-38=12 Exploring Operation: 38+32=70, Resulting Numbers: [50, 70] Generated Node #0,3,1: 29:[50, 70] Operation: 38+32=70 Exploring Operation: 38-32=6, Resulting Numbers: [50, 6] Generated Node #0,3,2: 29:[50, 6] Operation: 38-32=6 Exploring Operation: 38+50=88, Resulting Numbers: [32, 88] Generated Node #0,3,3: 29:[32, 88] Operation: 38+50=88 Exploring Operation: 50-32=18, Resulting Numbers: [38, 18] Generated Node #0,3,4: 29:[38, 18] Operation: 50-32=18 Moving to Node #0,1 Current State: 29:[38, 32, 50], Operations: ['82-32=50'] Exploring Operation: 38+32=70, Resulting Numbers: [50, 70] Generated Node #0,1,0: 29:[50, 70] Operation: 38+32=70 Exploring Operation: 50-32=18, Resulting Numbers: [38, 18] Generated Node #0,1,1: 29:[38, 18] Operation: 50-32=18 Exploring Operation: 50-38=12, Resulting Numbers: [32, 12] Generated Node #0,1,2: 29:[32, 12] Operation: 50-38=12 Exploring Operation: 38-32=6, Resulting Numbers: [50, 6] Generated Node #0,1,3: 29:[50, 6] Operation: 38-32=6 Exploring Operation: 38+50=88, Resulting Numbers: [32, 88] Generated Node #0,1,4: 29:[32, 88] Operation: 38+50=88 Moving to Node #0,0 Current State: 29:[82, 32, 6], Operations: ['38-32=6'] Exploring Operation: 82+6=88, Resulting Numbers: [32, 88] Generated Node #0,0,0: 29:[32, 88] Operation: 82+6=88 Exploring Operation: 82-6=76, Resulting Numbers: [32, 76] Generated Node #0,0,1: 29:[32, 76] Operation: 82-6=76 Exploring Operation: 32-6=26, Resulting Numbers: [82, 26] Generated Node #0,0,2: 29:[82, 26] Operation: 32-6=26 Exploring Operation: 82-32=50, Resulting Numbers: [6, 50] Generated Node #0,0,3: 29:[6, 50] Operation: 82-32=50 Exploring Operation: 32+6=38, Resulting Numbers: [82, 38] Generated Node #0,0,4: 29:[82, 38] Operation: 32+6=38 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 29:[6, 50], Operations: ['38-32=6', '82-32=50'] Exploring Operation: 50-6=44, Resulting Numbers: [44] 44,29 unequal: No Solution Exploring Operation: 6+50=56, Resulting Numbers: [56] 56,29 unequal: No Solution Exploring Operation: 6*50=300, Resulting Numbers: [300] 300,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 29:[32, 76], Operations: ['38-32=6', '82-6=76'] Exploring Operation: 32*76=2432, Resulting Numbers: [2432] 2432,29 unequal: No Solution Exploring Operation: 76-32=44, Resulting Numbers: [44] 44,29 unequal: No Solution Exploring Operation: 32+76=108, Resulting Numbers: [108] 108,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 29:[82, 26], Operations: ['38-32=6', '32-6=26'] Exploring Operation: 82*26=2132, Resulting Numbers: [2132] 2132,29 unequal: No Solution Exploring Operation: 82-26=56, Resulting Numbers: [56] 56,29 unequal: No Solution Exploring Operation: 82+26=108, Resulting Numbers: [108] 108,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 29:[32, 88], Operations: ['38-32=6', '82+6=88'] Exploring Operation: 88-32=56, Resulting Numbers: [56] 56,29 unequal: No Solution Exploring Operation: 32*88=2816, Resulting Numbers: [2816] 2816,29 unequal: No Solution Exploring Operation: 32+88=120, Resulting Numbers: [120] 120,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 29:[82, 38], Operations: ['38-32=6', '32+6=38'] Exploring Operation: 82+38=120, Resulting Numbers: [120] 120,29 unequal: No Solution Exploring Operation: 82*38=3116, Resulting Numbers: [3116] 3116,29 unequal: No Solution Exploring Operation: 82-38=44, Resulting Numbers: [44] 44,29 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: 29:[82, 32, 6], Operations: ['38-32=6'] Exploring Operation: 32+6=38, Resulting Numbers: [82, 38] Generated Node #0,2,0: 29:[82, 38] Operation: 32+6=38 Exploring Operation: 82-32=50, Resulting Numbers: [6, 50] Generated Node #0,2,1: 29:[6, 50] Operation: 82-32=50 Exploring Operation: 82-6=76, Resulting Numbers: [32, 76] Generated Node #0,2,2: 29:[32, 76] Operation: 82-6=76 Exploring Operation: 82+6=88, Resulting Numbers: [32, 88] Generated Node #0,2,3: 29:[32, 88] Operation: 82+6=88 Exploring Operation: 32-6=26, Resulting Numbers: [82, 26] Generated Node #0,2,4: 29:[82, 26] Operation: 32-6=26 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 29:[6, 50], Operations: ['38-32=6', '82-32=50'] Exploring Operation: 6*50=300, Resulting Numbers: [300] 300,29 unequal: No Solution Exploring Operation: 6+50=56, Resulting Numbers: [56] 56,29 unequal: No Solution Exploring Operation: 50-6=44, Resulting Numbers: [44] 44,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 29:[32, 76], Operations: ['38-32=6', '82-6=76'] Exploring Operation: 32+76=108, Resulting Numbers: [108] 108,29 unequal: No Solution Exploring Operation: 76-32=44, Resulting Numbers: [44] 44,29 unequal: No Solution Exploring Operation: 32*76=2432, Resulting Numbers: [2432] 2432,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 29:[82, 26], Operations: ['38-32=6', '32-6=26'] Exploring Operation: 82*26=2132, Resulting Numbers: [2132] 2132,29 unequal: No Solution Exploring Operation: 82-26=56, Resulting Numbers: [56] 56,29 unequal: No Solution Exploring Operation: 82+26=108, Resulting Numbers: [108] 108,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 29:[82, 38], Operations: ['38-32=6', '32+6=38'] Exploring Operation: 82*38=3116, Resulting Numbers: [3116] 3116,29 unequal: No Solution Exploring Operation: 82+38=120, Resulting Numbers: [120] 120,29 unequal: No Solution Exploring Operation: 82-38=44, Resulting Numbers: [44] 44,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 29:[32, 88], Operations: ['38-32=6', '82+6=88'] Exploring Operation: 32*88=2816, Resulting Numbers: [2816] 2816,29 unequal: No Solution Exploring Operation: 88-32=56, Resulting Numbers: [56] 56,29 unequal: No Solution Exploring Operation: 32+88=120, Resulting Numbers: [120] 120,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3,0 Current State: 29:[32, 12], Operations: ['82-32=50', '50-38=12'] Exploring Operation: 32-12=20, Resulting Numbers: [20] 20,29 unequal: No Solution Exploring Operation: 32*12=384, Resulting Numbers: [384] 384,29 unequal: No Solution Exploring Operation: 32+12=44, Resulting Numbers: [44] 44,29 unequal: No Solution Moving to Node #0,1,1 Current State: 29:[38, 18], Operations: ['82-32=50', '50-32=18'] Exploring Operation: 38*18=684, Resulting Numbers: [684] 684,29 unequal: No Solution Exploring Operation: 38+18=56, Resulting Numbers: [56] 56,29 unequal: No Solution Exploring Operation: 38-18=20, Resulting Numbers: [20] 20,29 unequal: No Solution Moving to Node #0,1,2 Current State: 29:[32, 12], Operations: ['82-32=50', '50-38=12'] Exploring Operation: 32+12=44, Resulting Numbers: [44] 44,29 unequal: No Solution Exploring Operation: 32*12=384, Resulting Numbers: [384] 384,29 unequal: No Solution Exploring Operation: 32-12=20, Resulting Numbers: [20] 20,29 unequal: No Solution Moving to Node #0,3,4 Current State: 29:[38, 18], Operations: ['82-32=50', '50-32=18'] Exploring Operation: 38-18=20, Resulting Numbers: [20] 20,29 unequal: No Solution Exploring Operation: 38+18=56, Resulting Numbers: [56] 56,29 unequal: No Solution Exploring Operation: 38*18=684, Resulting Numbers: [684] 684,29 unequal: No Solution Moving to Node #0,3,2 Current State: 29:[50, 6], Operations: ['82-32=50', '38-32=6'] Exploring Operation: 50+6=56, Resulting Numbers: [56] 56,29 unequal: No Solution Exploring Operation: 50-6=44, Resulting Numbers: [44] 44,29 unequal: No Solution Exploring Operation: 50*6=300, Resulting Numbers: [300] 300,29 unequal: No Solution Moving to Node #0,1,3 Current State: 29:[50, 6], Operations: ['82-32=50', '38-32=6'] Exploring Operation: 50-6=44, Resulting Numbers: [44] 44,29 unequal: No Solution Exploring Operation: 50*6=300, Resulting Numbers: [300] 300,29 unequal: No Solution Exploring Operation: 50+6=56, Resulting Numbers: [56] 56,29 unequal: No Solution Moving to Node #0,1,0 Current State: 29:[50, 70], Operations: ['82-32=50', '38+32=70'] Exploring Operation: 50*70=3500, Resulting Numbers: [3500] 3500,29 unequal: No Solution Exploring Operation: 50+70=120, Resulting Numbers: [120] 120,29 unequal: No Solution Exploring Operation: 70-50=20, Resulting Numbers: [20] 20,29 unequal: No Solution Moving to Node #0,1,4 Current State: 29:[32, 88], Operations: ['82-32=50', '38+50=88'] Exploring Operation: 32*88=2816, Resulting Numbers: [2816] 2816,29 unequal: No Solution Exploring Operation: 32+88=120, Resulting Numbers: [120] 120,29 unequal: No Solution Exploring Operation: 88-32=56, Resulting Numbers: [56] 56,29 unequal: No Solution Moving to Node #0,3,3 Current State: 29:[32, 88], Operations: ['82-32=50', '38+50=88'] Exploring Operation: 88-32=56, Resulting Numbers: [56] 56,29 unequal: No Solution Exploring Operation: 32+88=120, Resulting Numbers: [120] 120,29 unequal: No Solution Exploring Operation: 32*88=2816, Resulting Numbers: [2816] 2816,29 unequal: No Solution Moving to Node #0,3,1 Current State: 29:[50, 70], Operations: ['82-32=50', '38+32=70'] Exploring Operation: 50+70=120, Resulting Numbers: [120] 120,29 unequal: No Solution Exploring Operation: 70-50=20, Resulting Numbers: [20] 20,29 unequal: No Solution Exploring Operation: 50*70=3500, Resulting Numbers: [3500] 3500,29 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 43, 42, 19, 20 ]
35
[ "43-19=24", "42*20=840", "840/24=35" ]
Current State: 35:[43, 42, 19, 20], Operations: [] Exploring Operation: 43-19=24, Resulting Numbers: [42, 20, 24] Generated Node #2: [42, 20, 24] from Operation: 43-19=24 Current State: 35:[42, 20, 24], Operations: ['43-19=24'] Exploring Operation: 42*20=840, Resulting Numbers: [24, 840] Generated Node #3: [24, 840] from Operation: 42*20=840 Current State: 35:[24, 840], Operations: ['43-19=24', '42*20=840'] Exploring Operation: 840/24=35, Resulting Numbers: [35] 35,35 equal: Goal Reached
4
Current State: 35:[43, 42, 19, 20], Operations: [] Exploring Operation: 43-42=1, Resulting Numbers: [19, 20, 1] Generated Node #0,0: 35:[19, 20, 1] Operation: 43-42=1 Exploring Operation: 20-19=1, Resulting Numbers: [43, 42, 1] Generated Node #0,1: 35:[43, 42, 1] Operation: 20-19=1 Exploring Operation: 19+20=39, Resulting Numbers: [43, 42, 39] Generated Node #0,2: 35:[43, 42, 39] Operation: 19+20=39 Start Sub Search at level 1: Moving to Node #0,1 Current State: 35:[43, 42, 1], Operations: ['20-19=1'] Exploring Operation: 43-1=42, Resulting Numbers: [42, 42] Generated Node #0,1,0: 35:[42, 42] Operation: 43-1=42 Exploring Operation: 43-42=1, Resulting Numbers: [1, 1] Generated Node #0,1,1: 35:[1, 1] Operation: 43-42=1 Exploring Operation: 42-1=41, Resulting Numbers: [43, 41] Generated Node #0,1,2: 35:[43, 41] Operation: 42-1=41 Moving to Node #0,1,1 Current State: 35:[1, 1], Operations: ['20-19=1', '43-42=1'] Exploring Operation: 1+1=2, Resulting Numbers: [2] 2,35 unequal: No Solution Exploring Operation: 1/1=1, Resulting Numbers: [1] 1,35 unequal: No Solution Exploring Operation: 1*1=1, Resulting Numbers: [1] 1,35 unequal: No Solution Moving to Node #0,1,0 Current State: 35:[42, 42], Operations: ['20-19=1', '43-1=42'] Exploring Operation: 42/42=1, Resulting Numbers: [1] 1,35 unequal: No Solution Exploring Operation: 42+42=84, Resulting Numbers: [84] 84,35 unequal: No Solution Exploring Operation: 42-42=0, Resulting Numbers: [0] 0,35 unequal: No Solution Moving to Node #0,1,2 Current State: 35:[43, 41], Operations: ['20-19=1', '42-1=41'] Exploring Operation: 43+41=84, Resulting Numbers: [84] 84,35 unequal: No Solution Exploring Operation: 43*41=1763, Resulting Numbers: [1763] 1763,35 unequal: No Solution Exploring Operation: 43-41=2, Resulting Numbers: [2] 2,35 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 #0,2 Current State: 35:[43, 42, 39], Operations: ['19+20=39'] Exploring Operation: 43-42=1, Resulting Numbers: [39, 1] Generated Node #0,2,0: 35:[39, 1] Operation: 43-42=1 Exploring Operation: 43-39=4, Resulting Numbers: [42, 4] Generated Node #0,2,1: 35:[42, 4] Operation: 43-39=4 Exploring Operation: 42-39=3, Resulting Numbers: [43, 3] Generated Node #0,2,2: 35:[43, 3] Operation: 42-39=3 Moving to Node #0,2,0 Current State: 35:[39, 1], Operations: ['19+20=39', '43-42=1'] Exploring Operation: 39*1=39, Resulting Numbers: [39] 39,35 unequal: No Solution Exploring Operation: 39/1=39, Resulting Numbers: [39] 39,35 unequal: No Solution Exploring Operation: 39-1=38, Resulting Numbers: [38] 38,35 unequal: No Solution Moving to Node #0,2,1 Current State: 35:[42, 4], Operations: ['19+20=39', '43-39=4'] Exploring Operation: 42*4=168, Resulting Numbers: [168] 168,35 unequal: No Solution Exploring Operation: 42-4=38, Resulting Numbers: [38] 38,35 unequal: No Solution Exploring Operation: 42+4=46, Resulting Numbers: [46] 46,35 unequal: No Solution Moving to Node #0,2,2 Current State: 35:[43, 3], Operations: ['19+20=39', '42-39=3'] Exploring Operation: 43*3=129, Resulting Numbers: [129] 129,35 unequal: No Solution Exploring Operation: 43-3=40, Resulting Numbers: [40] 40,35 unequal: No Solution Exploring Operation: 43+3=46, Resulting Numbers: [46] 46,35 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 #0,0 Current State: 35:[19, 20, 1], Operations: ['43-42=1'] Exploring Operation: 19+20=39, Resulting Numbers: [1, 39] Generated Node #0,0,0: 35:[1, 39] Operation: 19+20=39 Exploring Operation: 20-19=1, Resulting Numbers: [1, 1] Generated Node #0,0,1: 35:[1, 1] Operation: 20-19=1 Exploring Operation: 19-1=18, Resulting Numbers: [20, 18] Generated Node #0,0,2: 35:[20, 18] Operation: 19-1=18 Moving to Node #0,0,0 Current State: 35:[1, 39], Operations: ['43-42=1', '19+20=39'] Exploring Operation: 39-1=38, Resulting Numbers: [38] 38,35 unequal: No Solution Exploring Operation: 1*39=39, Resulting Numbers: [39] 39,35 unequal: No Solution Exploring Operation: 39/1=39, Resulting Numbers: [39] 39,35 unequal: No Solution Moving to Node #0,0,1 Current State: 35:[1, 1], Operations: ['43-42=1', '20-19=1'] Exploring Operation: 1+1=2, Resulting Numbers: [2] 2,35 unequal: No Solution Exploring Operation: 1*1=1, Resulting Numbers: [1] 1,35 unequal: No Solution Exploring Operation: 1/1=1, Resulting Numbers: [1] 1,35 unequal: No Solution Moving to Node #0,0,2 Current State: 35:[20, 18], Operations: ['43-42=1', '19-1=18'] Exploring Operation: 20-18=2, Resulting Numbers: [2] 2,35 unequal: No Solution Exploring Operation: 20+18=38, Resulting Numbers: [38] 38,35 unequal: No Solution Exploring Operation: 20*18=360, Resulting Numbers: [360] 360,35 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
[ 80, 14, 13, 27 ]
80
[ "80+14=94", "27-13=14", "94-14=80" ]
Current State: 80:[80, 14, 13, 27], Operations: [] Exploring Operation: 80+14=94, Resulting Numbers: [13, 27, 94] Generated Node #2: [13, 27, 94] from Operation: 80+14=94 Current State: 80:[13, 27, 94], Operations: ['80+14=94'] Exploring Operation: 27-13=14, Resulting Numbers: [94, 14] Generated Node #3: [94, 14] from Operation: 27-13=14 Current State: 80:[94, 14], Operations: ['80+14=94', '27-13=14'] Exploring Operation: 94-14=80, Resulting Numbers: [80] 80,80 equal: Goal Reached
4
Current State: 80:[80, 14, 13, 27], Operations: [] Exploring Operation: 13+27=40, Resulting Numbers: [80, 14, 40] Generated Node #0,0: 80:[80, 14, 40] Operation: 13+27=40 Start Sub Search at level 1: Moving to Node #0,0 Current State: 80:[80, 14, 40], Operations: ['13+27=40'] Exploring Operation: 80-40=40, Resulting Numbers: [14, 40] Generated Node #0,0,0: 80:[14, 40] Operation: 80-40=40 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 80:[14, 40], Operations: ['13+27=40', '80-40=40'] Exploring Operation: 40-14=26, Resulting Numbers: [26] 26,80 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 3, 75, 98, 59 ]
10
[ "98-75=23", "3*23=69", "69-59=10" ]
Current State: 10:[3, 75, 98, 59], Operations: [] Exploring Operation: 98-75=23, Resulting Numbers: [3, 59, 23] Generated Node #2: [3, 59, 23] from Operation: 98-75=23 Current State: 10:[3, 59, 23], Operations: ['98-75=23'] Exploring Operation: 3*23=69, Resulting Numbers: [59, 69] Generated Node #3: [59, 69] from Operation: 3*23=69 Current State: 10:[59, 69], Operations: ['98-75=23', '3*23=69'] Exploring Operation: 69-59=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
4
Current State: 10:[3, 75, 98, 59], Operations: [] Exploring Operation: 98-75=23, Resulting Numbers: [3, 59, 23] Generated Node #0,0: 10:[3, 59, 23] Operation: 98-75=23 Exploring Operation: 75-59=16, Resulting Numbers: [3, 98, 16] Generated Node #0,1: 10:[3, 98, 16] Operation: 75-59=16 Moving to Node #0,0 Current State: 10:[3, 59, 23], Operations: ['98-75=23'] Exploring Operation: 59-23=36, Resulting Numbers: [3, 36] Generated Node #0,0,0: 10:[3, 36] Operation: 59-23=36 Exploring Operation: 59-3=56, Resulting Numbers: [23, 56] Generated Node #0,0,1: 10:[23, 56] Operation: 59-3=56 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 10:[3, 36], Operations: ['98-75=23', '59-23=36'] Exploring Operation: 36-3=33, Resulting Numbers: [33] 33,10 unequal: No Solution Exploring Operation: 36/3=12, Resulting Numbers: [12] 12,10 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 10:[23, 56], Operations: ['98-75=23', '59-3=56'] Exploring Operation: 23+56=79, Resulting Numbers: [79] 79,10 unequal: No Solution Exploring Operation: 56-23=33, Resulting Numbers: [33] 33,10 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 10:[3, 98, 16], Operations: ['75-59=16'] Exploring Operation: 98-3=95, Resulting Numbers: [16, 95] Generated Node #0,1,0: 10:[16, 95] Operation: 98-3=95 Exploring Operation: 98-16=82, Resulting Numbers: [3, 82] Generated Node #0,1,1: 10:[3, 82] Operation: 98-16=82 Moving to Node #0,1,1 Current State: 10:[3, 82], Operations: ['75-59=16', '98-16=82'] Exploring Operation: 82-3=79, Resulting Numbers: [79] 79,10 unequal: No Solution Exploring Operation: 3+82=85, Resulting Numbers: [85] 85,10 unequal: No Solution Moving to Node #0,1,0 Current State: 10:[16, 95], Operations: ['75-59=16', '98-3=95'] Exploring Operation: 16+95=111, Resulting Numbers: [111] 111,10 unequal: No Solution Exploring Operation: 95-16=79, Resulting Numbers: [79] 79,10 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 76, 89, 57, 21 ]
61
[ "76*21=1596", "1596/57=28", "89-28=61" ]
Current State: 61:[76, 89, 57, 21], Operations: [] Exploring Operation: 76*21=1596, Resulting Numbers: [89, 57, 1596] Generated Node #2: [89, 57, 1596] from Operation: 76*21=1596 Current State: 61:[89, 57, 1596], Operations: ['76*21=1596'] Exploring Operation: 1596/57=28, Resulting Numbers: [89, 28] Generated Node #3: [89, 28] from Operation: 1596/57=28 Current State: 61:[89, 28], Operations: ['76*21=1596', '1596/57=28'] Exploring Operation: 89-28=61, Resulting Numbers: [61] 61,61 equal: Goal Reached
4
Current State: 61:[76, 89, 57, 21], Operations: [] Exploring Operation: 76-21=55, Resulting Numbers: [89, 57, 55] Generated Node #0,0: 61:[89, 57, 55] Operation: 76-21=55 Exploring Operation: 89-21=68, Resulting Numbers: [76, 57, 68] Generated Node #0,1: 61:[76, 57, 68] Operation: 89-21=68 Start Sub Search at level 1: Moving to Node #0,1 Current State: 61:[76, 57, 68], Operations: ['89-21=68'] Exploring Operation: 76-68=8, Resulting Numbers: [57, 8] Generated Node #0,1,0: 61:[57, 8] Operation: 76-68=8 Exploring Operation: 76-57=19, Resulting Numbers: [68, 19] Generated Node #0,1,1: 61:[68, 19] Operation: 76-57=19 Moving to Node #0,1,1 Current State: 61:[68, 19], Operations: ['89-21=68', '76-57=19'] Exploring Operation: 68+19=87, Resulting Numbers: [87] 87,61 unequal: No Solution Exploring Operation: 68-19=49, Resulting Numbers: [49] 49,61 unequal: No Solution Moving to Node #0,1,0 Current State: 61:[57, 8], Operations: ['89-21=68', '76-68=8'] Exploring Operation: 57-8=49, Resulting Numbers: [49] 49,61 unequal: No Solution Exploring Operation: 57+8=65, Resulting Numbers: [65] 65,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 61:[89, 57, 55], Operations: ['76-21=55'] Exploring Operation: 89-57=32, Resulting Numbers: [55, 32] Generated Node #0,0,0: 61:[55, 32] Operation: 89-57=32 Exploring Operation: 89-55=34, Resulting Numbers: [57, 34] Generated Node #0,0,1: 61:[57, 34] Operation: 89-55=34 Moving to Node #0,0,1 Current State: 61:[57, 34], Operations: ['76-21=55', '89-55=34'] Exploring Operation: 57+34=91, Resulting Numbers: [91] 91,61 unequal: No Solution Exploring Operation: 57-34=23, Resulting Numbers: [23] 23,61 unequal: No Solution Moving to Node #0,0,0 Current State: 61:[55, 32], Operations: ['76-21=55', '89-57=32'] Exploring Operation: 55-32=23, Resulting Numbers: [23] 23,61 unequal: No Solution Exploring Operation: 55+32=87, Resulting Numbers: [87] 87,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 2, 39, 3, 7 ]
48
[ "39-7=32", "32/2=16", "3*16=48" ]
Current State: 48:[2, 39, 3, 7], Operations: [] Exploring Operation: 39-7=32, Resulting Numbers: [2, 3, 32] Generated Node #2: [2, 3, 32] from Operation: 39-7=32 Current State: 48:[2, 3, 32], Operations: ['39-7=32'] Exploring Operation: 32/2=16, Resulting Numbers: [3, 16] Generated Node #3: [3, 16] from Operation: 32/2=16 Current State: 48:[3, 16], Operations: ['39-7=32', '32/2=16'] Exploring Operation: 3*16=48, Resulting Numbers: [48] 48,48 equal: Goal Reached
4
Current State: 48:[2, 39, 3, 7], Operations: [] Exploring Operation: 39/3=13, Resulting Numbers: [2, 7, 13] Generated Node #0,0: 48:[2, 7, 13] Operation: 39/3=13 Exploring Operation: 39+7=46, Resulting Numbers: [2, 3, 46] Generated Node #0,1: 48:[2, 3, 46] Operation: 39+7=46 Moving to Node #0,0 Current State: 48:[2, 7, 13], Operations: ['39/3=13'] Exploring Operation: 13-7=6, Resulting Numbers: [2, 6] Generated Node #0,0,0: 48:[2, 6] Operation: 13-7=6 Exploring Operation: 2+7=9, Resulting Numbers: [13, 9] Generated Node #0,0,1: 48:[13, 9] Operation: 2+7=9 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 48:[2, 6], Operations: ['39/3=13', '13-7=6'] Exploring Operation: 2*6=12, Resulting Numbers: [12] 12,48 unequal: No Solution Exploring Operation: 2+6=8, Resulting Numbers: [8] 8,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 48:[13, 9], Operations: ['39/3=13', '2+7=9'] Exploring Operation: 13+9=22, Resulting Numbers: [22] 22,48 unequal: No Solution Exploring Operation: 13-9=4, Resulting Numbers: [4] 4,48 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: 48:[2, 3, 46], Operations: ['39+7=46'] Exploring Operation: 2+46=48, Resulting Numbers: [3, 48] Generated Node #0,1,0: 48:[3, 48] Operation: 2+46=48 Exploring Operation: 46/2=23, Resulting Numbers: [3, 23] Generated Node #0,1,1: 48:[3, 23] Operation: 46/2=23 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 48:[3, 48], Operations: ['39+7=46', '2+46=48'] Exploring Operation: 3+48=51, Resulting Numbers: [51] 51,48 unequal: No Solution Exploring Operation: 48/3=16, Resulting Numbers: [16] 16,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 48:[3, 23], Operations: ['39+7=46', '46/2=23'] Exploring Operation: 23-3=20, Resulting Numbers: [20] 20,48 unequal: No Solution Exploring Operation: 3+23=26, Resulting Numbers: [26] 26,48 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
[ 39, 29, 97, 58 ]
49
[ "39-29=10", "97-58=39", "10+39=49" ]
Current State: 49:[39, 29, 97, 58], Operations: [] Exploring Operation: 39-29=10, Resulting Numbers: [97, 58, 10] Generated Node #2: [97, 58, 10] from Operation: 39-29=10 Current State: 49:[97, 58, 10], Operations: ['39-29=10'] Exploring Operation: 97-58=39, Resulting Numbers: [10, 39] Generated Node #3: [10, 39] from Operation: 97-58=39 Current State: 49:[10, 39], Operations: ['39-29=10', '97-58=39'] Exploring Operation: 10+39=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
4
Current State: 49:[39, 29, 97, 58], Operations: [] Exploring Operation: 97-39=58, Resulting Numbers: [29, 58, 58] Generated Node #0,0: 49:[29, 58, 58] Operation: 97-39=58 Start Sub Search at level 1: Moving to Node #0,0 Current State: 49:[29, 58, 58], Operations: ['97-39=58'] Exploring Operation: 58/29=2, Resulting Numbers: [58, 2] Generated Node #0,0,0: 49:[58, 2] Operation: 58/29=2 Moving to Node #0,0,0 Current State: 49:[58, 2], Operations: ['97-39=58', '58/29=2'] Exploring Operation: 58-2=56, Resulting Numbers: [56] 56,49 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
[ 7, 45, 52, 85 ]
86
[ "7+45=52", "52/52=1", "85+1=86" ]
Current State: 86:[7, 45, 52, 85], Operations: [] Exploring Operation: 7+45=52, Resulting Numbers: [52, 85, 52] Generated Node #2: [52, 85, 52] from Operation: 7+45=52 Current State: 86:[52, 85, 52], Operations: ['7+45=52'] Exploring Operation: 52/52=1, Resulting Numbers: [85, 1] Generated Node #3: [85, 1] from Operation: 52/52=1 Current State: 86:[85, 1], Operations: ['7+45=52', '52/52=1'] Exploring Operation: 85+1=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
4
Current State: 86:[7, 45, 52, 85], Operations: [] Exploring Operation: 52-7=45, Resulting Numbers: [45, 85, 45] Generated Node #0,0: 86:[45, 85, 45] Operation: 52-7=45 Exploring Operation: 52-45=7, Resulting Numbers: [7, 85, 7] Generated Node #0,1: 86:[7, 85, 7] Operation: 52-45=7 Moving to Node #0,0 Current State: 86:[45, 85, 45], Operations: ['52-7=45'] Exploring Operation: 45-45=0, Resulting Numbers: [85, 0] Generated Node #0,0,0: 86:[85, 0] Operation: 45-45=0 Exploring Operation: 45/45=1, Resulting Numbers: [85, 1] Generated Node #0,0,1: 86:[85, 1] Operation: 45/45=1 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 86:[85, 1], Operations: ['52-7=45', '45/45=1'] Exploring Operation: 85*1=85, Resulting Numbers: [85] 85,86 unequal: No Solution Exploring Operation: 85+1=86, Resulting Numbers: [86] 86,86 equal: Goal Reached Moving to Node #0 Current State: 86:[7, 45, 52, 85], Operations: [] Exploring Operation: 52-7=45, Resulting Numbers: [45, 85, 45] Generated Node #0,0: 86:[45, 85, 45] Operation: 52-7=45 Moving to Node #0,0 Current State: 86:[45, 85, 45], Operations: ['52-7=45'] Exploring Operation: 45/45=1, Resulting Numbers: [85, 1] Generated Node #0,0,1: 86:[85, 1] Operation: 45/45=1 Moving to Node #0,0,1 Current State: 86:[85, 1], Operations: ['52-7=45', '45/45=1'] Exploring Operation: 85+1=86, Resulting Numbers: [86] 86,86 equal: Goal Reached Exit Sub Search at level 1
0.991319
hs_2
sum_heuristic
[ 53, 31, 51, 22 ]
18
[ "53-51=2", "31-22=9", "2*9=18" ]
Current State: 18:[53, 31, 51, 22], Operations: [] Exploring Operation: 53-51=2, Resulting Numbers: [31, 22, 2] Generated Node #2: [31, 22, 2] from Operation: 53-51=2 Current State: 18:[31, 22, 2], Operations: ['53-51=2'] Exploring Operation: 31-22=9, Resulting Numbers: [2, 9] Generated Node #3: [2, 9] from Operation: 31-22=9 Current State: 18:[2, 9], Operations: ['53-51=2', '31-22=9'] Exploring Operation: 2*9=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[53, 31, 51, 22], Operations: [] Exploring Operation: 53-31=22, Resulting Numbers: [51, 22, 22] Generated Node #0,0: 18:[51, 22, 22] Operation: 53-31=22 Exploring Operation: 53-51=2, Resulting Numbers: [31, 22, 2] Generated Node #0,1: 18:[31, 22, 2] Operation: 53-51=2 Start Sub Search at level 1: Moving to Node #0,1 Current State: 18:[31, 22, 2], Operations: ['53-51=2'] Exploring Operation: 31-22=9, Resulting Numbers: [2, 9] Generated Node #0,1,0: 18:[2, 9] Operation: 31-22=9 Exploring Operation: 31-2=29, Resulting Numbers: [22, 29] Generated Node #0,1,1: 18:[22, 29] Operation: 31-2=29 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 18:[2, 9], Operations: ['53-51=2', '31-22=9'] Exploring Operation: 9-2=7, Resulting Numbers: [7] 7,18 unequal: No Solution Exploring Operation: 2*9=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Moving to Node #0 Current State: 18:[53, 31, 51, 22], Operations: [] Exploring Operation: 53-51=2, Resulting Numbers: [31, 22, 2] Generated Node #0,1: 18:[31, 22, 2] Operation: 53-51=2 Moving to Node #0,1 Current State: 18:[31, 22, 2], Operations: ['53-51=2'] Exploring Operation: 31-22=9, Resulting Numbers: [2, 9] Generated Node #0,1,0: 18:[2, 9] Operation: 31-22=9 Moving to Node #0,1,0 Current State: 18:[2, 9], Operations: ['53-51=2', '31-22=9'] Exploring Operation: 2*9=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.991319
hs_2
mult_heuristic
[ 45, 38, 51, 49 ]
81
[ "45+38=83", "51-49=2", "83-2=81" ]
Current State: 81:[45, 38, 51, 49], Operations: [] Exploring Operation: 45+38=83, Resulting Numbers: [51, 49, 83] Generated Node #2: [51, 49, 83] from Operation: 45+38=83 Current State: 81:[51, 49, 83], Operations: ['45+38=83'] Exploring Operation: 51-49=2, Resulting Numbers: [83, 2] Generated Node #3: [83, 2] from Operation: 51-49=2 Current State: 81:[83, 2], Operations: ['45+38=83', '51-49=2'] Exploring Operation: 83-2=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[45, 38, 51, 49], Operations: [] Exploring Operation: 51-49=2, Resulting Numbers: [45, 38, 2] Generated Node #0,0: 81:[45, 38, 2] Operation: 51-49=2 Exploring Operation: 51-45=6, Resulting Numbers: [38, 49, 6] Generated Node #0,1: 81:[38, 49, 6] Operation: 51-45=6 Exploring Operation: 49-45=4, Resulting Numbers: [38, 51, 4] Generated Node #0,2: 81:[38, 51, 4] Operation: 49-45=4 Start Sub Search at level 1: Moving to Node #0,0 Current State: 81:[45, 38, 2], Operations: ['51-49=2'] Exploring Operation: 45-38=7, Resulting Numbers: [2, 7] Generated Node #0,0,0: 81:[2, 7] Operation: 45-38=7 Exploring Operation: 45+38=83, Resulting Numbers: [2, 83] Generated Node #0,0,1: 81:[2, 83] Operation: 45+38=83 Exploring Operation: 45*2=90, Resulting Numbers: [38, 90] Generated Node #0,0,2: 81:[38, 90] Operation: 45*2=90 Moving to Node #0,0,0 Current State: 81:[2, 7], Operations: ['51-49=2', '45-38=7'] Exploring Operation: 2*7=14, Resulting Numbers: [14] 14,81 unequal: No Solution Exploring Operation: 7-2=5, Resulting Numbers: [5] 5,81 unequal: No Solution Exploring Operation: 2+7=9, Resulting Numbers: [9] 9,81 unequal: No Solution Moving to Node #0,0,1 Current State: 81:[2, 83], Operations: ['51-49=2', '45+38=83'] Exploring Operation: 2+83=85, Resulting Numbers: [85] 85,81 unequal: No Solution Exploring Operation: 2*83=166, Resulting Numbers: [166] 166,81 unequal: No Solution Exploring Operation: 83-2=81, Resulting Numbers: [81] 81,81 equal: Goal Reached Moving to Node #0 Current State: 81:[45, 38, 51, 49], Operations: [] Exploring Operation: 51-49=2, Resulting Numbers: [45, 38, 2] Generated Node #0,0: 81:[45, 38, 2] Operation: 51-49=2 Moving to Node #0,0 Current State: 81:[45, 38, 2], Operations: ['51-49=2'] Exploring Operation: 45+38=83, Resulting Numbers: [2, 83] Generated Node #0,0,1: 81:[2, 83] Operation: 45+38=83 Moving to Node #0,0,1 Current State: 81:[2, 83], Operations: ['51-49=2', '45+38=83'] Exploring Operation: 83-2=81, Resulting Numbers: [81] 81,81 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_3
mult_heuristic
[ 70, 64, 88, 11 ]
62
[ "64*11=704", "704/88=8", "70-8=62" ]
Current State: 62:[70, 64, 88, 11], Operations: [] Exploring Operation: 64*11=704, Resulting Numbers: [70, 88, 704] Generated Node #2: [70, 88, 704] from Operation: 64*11=704 Current State: 62:[70, 88, 704], Operations: ['64*11=704'] Exploring Operation: 704/88=8, Resulting Numbers: [70, 8] Generated Node #3: [70, 8] from Operation: 704/88=8 Current State: 62:[70, 8], Operations: ['64*11=704', '704/88=8'] Exploring Operation: 70-8=62, Resulting Numbers: [62] 62,62 equal: Goal Reached
4
Current State: 62:[70, 64, 88, 11], Operations: [] Exploring Operation: 88/11=8, Resulting Numbers: [70, 64, 8] Generated Node #0,0: 62:[70, 64, 8] Operation: 88/11=8 Exploring Operation: 88-70=18, Resulting Numbers: [64, 11, 18] Generated Node #0,1: 62:[64, 11, 18] Operation: 88-70=18 Exploring Operation: 88-64=24, Resulting Numbers: [70, 11, 24] Generated Node #0,2: 62:[70, 11, 24] Operation: 88-64=24 Start Sub Search at level 1: Moving to Node #0,0 Current State: 62:[70, 64, 8], Operations: ['88/11=8'] Exploring Operation: 70-64=6, Resulting Numbers: [8, 6] Generated Node #0,0,0: 62:[8, 6] Operation: 70-64=6 Exploring Operation: 70-8=62, Resulting Numbers: [64, 62] Generated Node #0,0,1: 62:[64, 62] Operation: 70-8=62 Exploring Operation: 64-8=56, Resulting Numbers: [70, 56] Generated Node #0,0,2: 62:[70, 56] Operation: 64-8=56 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 62:[64, 62], Operations: ['88/11=8', '70-8=62'] Exploring Operation: 64-62=2, Resulting Numbers: [2] 2,62 unequal: No Solution Exploring Operation: 64+62=126, Resulting Numbers: [126] 126,62 unequal: No Solution Exploring Operation: 64*62=3968, Resulting Numbers: [3968] 3968,62 unequal: No Solution No 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: 62:[8, 6], Operations: ['88/11=8', '70-64=6'] Exploring Operation: 8*6=48, Resulting Numbers: [48] 48,62 unequal: No Solution Exploring Operation: 8+6=14, Resulting Numbers: [14] 14,62 unequal: No Solution Exploring Operation: 8-6=2, Resulting Numbers: [2] 2,62 unequal: No Solution No 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: 62:[70, 56], Operations: ['88/11=8', '64-8=56'] Exploring Operation: 70+56=126, Resulting Numbers: [126] 126,62 unequal: No Solution Exploring Operation: 70-56=14, Resulting Numbers: [14] 14,62 unequal: No Solution Exploring Operation: 70*56=3920, Resulting Numbers: [3920] 3920,62 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: 62:[64, 11, 18], Operations: ['88-70=18'] Exploring Operation: 18-11=7, Resulting Numbers: [64, 7] Generated Node #0,1,0: 62:[64, 7] Operation: 18-11=7 Exploring Operation: 64-11=53, Resulting Numbers: [18, 53] Generated Node #0,1,1: 62:[18, 53] Operation: 64-11=53 Exploring Operation: 11+18=29, Resulting Numbers: [64, 29] Generated Node #0,1,2: 62:[64, 29] Operation: 11+18=29 Moving to Node #0,1,2 Current State: 62:[64, 29], Operations: ['88-70=18', '11+18=29'] Exploring Operation: 64-29=35, Resulting Numbers: [35] 35,62 unequal: No Solution Exploring Operation: 64+29=93, Resulting Numbers: [93] 93,62 unequal: No Solution Exploring Operation: 64*29=1856, Resulting Numbers: [1856] 1856,62 unequal: No Solution Moving to Node #0,1,0 Current State: 62:[64, 7], Operations: ['88-70=18', '18-11=7'] Exploring Operation: 64+7=71, Resulting Numbers: [71] 71,62 unequal: No Solution Exploring Operation: 64*7=448, Resulting Numbers: [448] 448,62 unequal: No Solution Exploring Operation: 64-7=57, Resulting Numbers: [57] 57,62 unequal: No Solution Moving to Node #0,1,1 Current State: 62:[18, 53], Operations: ['88-70=18', '64-11=53'] Exploring Operation: 18*53=954, Resulting Numbers: [954] 954,62 unequal: No Solution Exploring Operation: 53-18=35, Resulting Numbers: [35] 35,62 unequal: No Solution Exploring Operation: 18+53=71, Resulting Numbers: [71] 71,62 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:[70, 11, 24], Operations: ['88-64=24'] Exploring Operation: 24-11=13, Resulting Numbers: [70, 13] Generated Node #0,2,0: 62:[70, 13] Operation: 24-11=13 Exploring Operation: 11+24=35, Resulting Numbers: [70, 35] Generated Node #0,2,1: 62:[70, 35] Operation: 11+24=35 Exploring Operation: 70-11=59, Resulting Numbers: [24, 59] Generated Node #0,2,2: 62:[24, 59] Operation: 70-11=59 Moving to Node #0,2,2 Current State: 62:[24, 59], Operations: ['88-64=24', '70-11=59'] Exploring Operation: 24*59=1416, Resulting Numbers: [1416] 1416,62 unequal: No Solution Exploring Operation: 59-24=35, Resulting Numbers: [35] 35,62 unequal: No Solution Exploring Operation: 24+59=83, Resulting Numbers: [83] 83,62 unequal: No Solution Moving to Node #0,2,1 Current State: 62:[70, 35], Operations: ['88-64=24', '11+24=35'] Exploring Operation: 70+35=105, Resulting Numbers: [105] 105,62 unequal: No Solution Exploring Operation: 70/35=2, Resulting Numbers: [2] 2,62 unequal: No Solution Exploring Operation: 70-35=35, Resulting Numbers: [35] 35,62 unequal: No Solution Moving to Node #0,2,0 Current State: 62:[70, 13], Operations: ['88-64=24', '24-11=13'] Exploring Operation: 70-13=57, Resulting Numbers: [57] 57,62 unequal: No Solution Exploring Operation: 70*13=910, Resulting Numbers: [910] 910,62 unequal: No Solution Exploring Operation: 70+13=83, Resulting Numbers: [83] 83,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
mult_heuristic
[ 53, 72, 30, 10 ]
21
[ "72-53=19", "30+10=40", "40-19=21" ]
Current State: 21:[53, 72, 30, 10], Operations: [] Exploring Operation: 72-53=19, Resulting Numbers: [30, 10, 19] Generated Node #2: [30, 10, 19] from Operation: 72-53=19 Current State: 21:[30, 10, 19], Operations: ['72-53=19'] Exploring Operation: 30+10=40, Resulting Numbers: [19, 40] Generated Node #3: [19, 40] from Operation: 30+10=40 Current State: 21:[19, 40], Operations: ['72-53=19', '30+10=40'] Exploring Operation: 40-19=21, Resulting Numbers: [21] 21,21 equal: Goal Reached
4
Current State: 21:[53, 72, 30, 10], Operations: [] Exploring Operation: 53-30=23, Resulting Numbers: [72, 10, 23] Generated Node #0,0: 21:[72, 10, 23] Operation: 53-30=23 Exploring Operation: 72-30=42, Resulting Numbers: [53, 10, 42] Generated Node #0,1: 21:[53, 10, 42] Operation: 72-30=42 Exploring Operation: 72-53=19, Resulting Numbers: [30, 10, 19] Generated Node #0,2: 21:[30, 10, 19] Operation: 72-53=19 Moving to Node #0,2 Current State: 21:[30, 10, 19], Operations: ['72-53=19'] Exploring Operation: 30-19=11, Resulting Numbers: [10, 11] Generated Node #0,2,0: 21:[10, 11] Operation: 30-19=11 Exploring Operation: 30-10=20, Resulting Numbers: [19, 20] Generated Node #0,2,1: 21:[19, 20] Operation: 30-10=20 Exploring Operation: 30/10=3, Resulting Numbers: [19, 3] Generated Node #0,2,2: 21:[19, 3] Operation: 30/10=3 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 21:[19, 3], Operations: ['72-53=19', '30/10=3'] Exploring Operation: 19-3=16, Resulting Numbers: [16] 16,21 unequal: No Solution Exploring Operation: 19+3=22, Resulting Numbers: [22] 22,21 unequal: No Solution Exploring Operation: 19*3=57, Resulting Numbers: [57] 57,21 unequal: No Solution No 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: 21:[19, 20], Operations: ['72-53=19', '30-10=20'] Exploring Operation: 19*20=380, Resulting Numbers: [380] 380,21 unequal: No Solution Exploring Operation: 20-19=1, Resulting Numbers: [1] 1,21 unequal: No Solution Exploring Operation: 19+20=39, Resulting Numbers: [39] 39,21 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 #0,2,0 Current State: 21:[10, 11], Operations: ['72-53=19', '30-19=11'] Exploring Operation: 10*11=110, Resulting Numbers: [110] 110,21 unequal: No Solution Exploring Operation: 10+11=21, Resulting Numbers: [21] 21,21 equal: Goal Reached Moving to Node #0 Current State: 21:[53, 72, 30, 10], Operations: [] Exploring Operation: 72-53=19, Resulting Numbers: [30, 10, 19] Generated Node #0,2: 21:[30, 10, 19] Operation: 72-53=19 Moving to Node #0,2 Current State: 21:[30, 10, 19], Operations: ['72-53=19'] Exploring Operation: 30-19=11, Resulting Numbers: [10, 11] Generated Node #0,2,0: 21:[10, 11] Operation: 30-19=11 Moving to Node #0,2,0 Current State: 21:[10, 11], Operations: ['72-53=19', '30-19=11'] Exploring Operation: 10+11=21, Resulting Numbers: [21] 21,21 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_3
mult_heuristic
[ 93, 33, 13, 14 ]
33
[ "93-33=60", "13+14=27", "60-27=33" ]
Current State: 33:[93, 33, 13, 14], Operations: [] Exploring Operation: 93-33=60, Resulting Numbers: [13, 14, 60] Generated Node #2: [13, 14, 60] from Operation: 93-33=60 Current State: 33:[13, 14, 60], Operations: ['93-33=60'] Exploring Operation: 13+14=27, Resulting Numbers: [60, 27] Generated Node #3: [60, 27] from Operation: 13+14=27 Current State: 33:[60, 27], Operations: ['93-33=60', '13+14=27'] Exploring Operation: 60-27=33, Resulting Numbers: [33] 33,33 equal: Goal Reached
4
Current State: 33:[93, 33, 13, 14], Operations: [] Exploring Operation: 93-33=60, Resulting Numbers: [13, 14, 60] Generated Node #0,0: 33:[13, 14, 60] Operation: 93-33=60 Start Sub Search at level 1: Moving to Node #0,0 Current State: 33:[13, 14, 60], Operations: ['93-33=60'] Exploring Operation: 60-14=46, Resulting Numbers: [13, 46] Generated Node #0,0,0: 33:[13, 46] Operation: 60-14=46 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 33:[13, 46], Operations: ['93-33=60', '60-14=46'] Exploring Operation: 46-13=33, Resulting Numbers: [33] 33,33 equal: Goal Reached Moving to Node #0 Current State: 33:[93, 33, 13, 14], Operations: [] Exploring Operation: 93-33=60, Resulting Numbers: [13, 14, 60] Generated Node #0,0: 33:[13, 14, 60] Operation: 93-33=60 Moving to Node #0,0 Current State: 33:[13, 14, 60], Operations: ['93-33=60'] Exploring Operation: 60-14=46, Resulting Numbers: [13, 46] Generated Node #0,0,0: 33:[13, 46] Operation: 60-14=46 Moving to Node #0,0,0 Current State: 33:[13, 46], Operations: ['93-33=60', '60-14=46'] Exploring Operation: 46-13=33, Resulting Numbers: [33] 33,33 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 75, 40, 29, 83 ]
89
[ "75-40=35", "83-29=54", "35+54=89" ]
Current State: 89:[75, 40, 29, 83], Operations: [] Exploring Operation: 75-40=35, Resulting Numbers: [29, 83, 35] Generated Node #2: [29, 83, 35] from Operation: 75-40=35 Current State: 89:[29, 83, 35], Operations: ['75-40=35'] Exploring Operation: 83-29=54, Resulting Numbers: [35, 54] Generated Node #3: [35, 54] from Operation: 83-29=54 Current State: 89:[35, 54], Operations: ['75-40=35', '83-29=54'] Exploring Operation: 35+54=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
4
Current State: 89:[75, 40, 29, 83], Operations: [] Exploring Operation: 75+40=115, Resulting Numbers: [29, 83, 115] Generated Node #0,0: 89:[29, 83, 115] Operation: 75+40=115 Exploring Operation: 40+29=69, Resulting Numbers: [75, 83, 69] Generated Node #0,1: 89:[75, 83, 69] Operation: 40+29=69 Exploring Operation: 29+83=112, Resulting Numbers: [75, 40, 112] Generated Node #0,2: 89:[75, 40, 112] Operation: 29+83=112 Exploring Operation: 75+29=104, Resulting Numbers: [40, 83, 104] Generated Node #0,3: 89:[40, 83, 104] Operation: 75+29=104 Moving to Node #0,1 Current State: 89:[75, 83, 69], Operations: ['40+29=69'] Exploring Operation: 83+69=152, Resulting Numbers: [75, 152] Generated Node #0,1,0: 89:[75, 152] Operation: 83+69=152 Exploring Operation: 75+69=144, Resulting Numbers: [83, 144] Generated Node #0,1,1: 89:[83, 144] Operation: 75+69=144 Exploring Operation: 75-69=6, Resulting Numbers: [83, 6] Generated Node #0,1,2: 89:[83, 6] Operation: 75-69=6 Exploring Operation: 75+83=158, Resulting Numbers: [69, 158] Generated Node #0,1,3: 89:[69, 158] Operation: 75+83=158 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 89:[83, 144], Operations: ['40+29=69', '75+69=144'] Exploring Operation: 83+144=227, Resulting Numbers: [227] 227,89 unequal: No Solution Exploring Operation: 144-83=61, Resulting Numbers: [61] 61,89 unequal: No Solution Exploring Operation: 83*144=11952, Resulting Numbers: [11952] 11952,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 89:[75, 152], Operations: ['40+29=69', '83+69=152'] Exploring Operation: 152-75=77, Resulting Numbers: [77] 77,89 unequal: No Solution Exploring Operation: 75*152=11400, Resulting Numbers: [11400] 11400,89 unequal: No Solution Exploring Operation: 75+152=227, Resulting Numbers: [227] 227,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 89:[83, 6], Operations: ['40+29=69', '75-69=6'] Exploring Operation: 83+6=89, Resulting Numbers: [89] 89,89 equal: Goal Reached Moving to Node #0 Current State: 89:[75, 40, 29, 83], Operations: [] Exploring Operation: 40+29=69, Resulting Numbers: [75, 83, 69] Generated Node #0,1: 89:[75, 83, 69] Operation: 40+29=69 Moving to Node #0,1 Current State: 89:[75, 83, 69], Operations: ['40+29=69'] Exploring Operation: 75-69=6, Resulting Numbers: [83, 6] Generated Node #0,1,2: 89:[83, 6] Operation: 75-69=6 Moving to Node #0,1,2 Current State: 89:[83, 6], Operations: ['40+29=69', '75-69=6'] Exploring Operation: 83+6=89, Resulting Numbers: [89] 89,89 equal: Goal Reached Exit Sub Search at level 1
0.983507
hs_4
mult_heuristic
[ 91, 5, 88, 67 ]
65
[ "91-5=86", "88-67=21", "86-21=65" ]
Current State: 65:[91, 5, 88, 67], Operations: [] Exploring Operation: 91-5=86, Resulting Numbers: [88, 67, 86] Generated Node #2: [88, 67, 86] from Operation: 91-5=86 Current State: 65:[88, 67, 86], Operations: ['91-5=86'] Exploring Operation: 88-67=21, Resulting Numbers: [86, 21] Generated Node #3: [86, 21] from Operation: 88-67=21 Current State: 65:[86, 21], Operations: ['91-5=86', '88-67=21'] Exploring Operation: 86-21=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
4
Current State: 65:[91, 5, 88, 67], Operations: [] Exploring Operation: 88-67=21, Resulting Numbers: [91, 5, 21] Generated Node #0,0: 65:[91, 5, 21] Operation: 88-67=21 Exploring Operation: 91-5=86, Resulting Numbers: [88, 67, 86] Generated Node #0,1: 65:[88, 67, 86] Operation: 91-5=86 Exploring Operation: 91-88=3, Resulting Numbers: [5, 67, 3] Generated Node #0,2: 65:[5, 67, 3] Operation: 91-88=3 Exploring Operation: 91-67=24, Resulting Numbers: [5, 88, 24] Generated Node #0,3: 65:[5, 88, 24] Operation: 91-67=24 Exploring Operation: 88-5=83, Resulting Numbers: [91, 67, 83] Generated Node #0,4: 65:[91, 67, 83] Operation: 88-5=83 Start Sub Search at level 1: Moving to Node #0,2 Current State: 65:[5, 67, 3], Operations: ['91-88=3'] Exploring Operation: 5-3=2, Resulting Numbers: [67, 2] Generated Node #0,2,0: 65:[67, 2] Operation: 5-3=2 Exploring Operation: 5+3=8, Resulting Numbers: [67, 8] Generated Node #0,2,1: 65:[67, 8] Operation: 5+3=8 Exploring Operation: 67-3=64, Resulting Numbers: [5, 64] Generated Node #0,2,2: 65:[5, 64] Operation: 67-3=64 Exploring Operation: 5*3=15, Resulting Numbers: [67, 15] Generated Node #0,2,3: 65:[67, 15] Operation: 5*3=15 Exploring Operation: 67-5=62, Resulting Numbers: [3, 62] Generated Node #0,2,4: 65:[3, 62] Operation: 67-5=62 Moving to Node #0,2,2 Current State: 65:[5, 64], Operations: ['91-88=3', '67-3=64'] Exploring Operation: 5*64=320, Resulting Numbers: [320] 320,65 unequal: No Solution Exploring Operation: 64-5=59, Resulting Numbers: [59] 59,65 unequal: No Solution Exploring Operation: 5+64=69, Resulting Numbers: [69] 69,65 unequal: No Solution Moving to Node #0,2,3 Current State: 65:[67, 15], Operations: ['91-88=3', '5*3=15'] Exploring Operation: 67+15=82, Resulting Numbers: [82] 82,65 unequal: No Solution Exploring Operation: 67-15=52, Resulting Numbers: [52] 52,65 unequal: No Solution Exploring Operation: 67*15=1005, Resulting Numbers: [1005] 1005,65 unequal: No Solution Moving to Node #0,2,0 Current State: 65:[67, 2], Operations: ['91-88=3', '5-3=2'] Exploring Operation: 67+2=69, Resulting Numbers: [69] 69,65 unequal: No Solution Exploring Operation: 67*2=134, Resulting Numbers: [134] 134,65 unequal: No Solution Exploring Operation: 67-2=65, Resulting Numbers: [65] 65,65 equal: Goal Reached Moving to Node #0 Current State: 65:[91, 5, 88, 67], Operations: [] Exploring Operation: 91-88=3, Resulting Numbers: [5, 67, 3] Generated Node #0,2: 65:[5, 67, 3] Operation: 91-88=3 Moving to Node #0,2 Current State: 65:[5, 67, 3], Operations: ['91-88=3'] Exploring Operation: 5-3=2, Resulting Numbers: [67, 2] Generated Node #0,2,0: 65:[67, 2] Operation: 5-3=2 Moving to Node #0,2,0 Current State: 65:[67, 2], Operations: ['91-88=3', '5-3=2'] Exploring Operation: 67-2=65, Resulting Numbers: [65] 65,65 equal: Goal Reached Exit Sub Search at level 1
0.980035
hs_5
sum_heuristic
[ 66, 90, 29, 28 ]
81
[ "90-66=24", "29+28=57", "24+57=81" ]
Current State: 81:[66, 90, 29, 28], Operations: [] Exploring Operation: 90-66=24, Resulting Numbers: [29, 28, 24] Generated Node #2: [29, 28, 24] from Operation: 90-66=24 Current State: 81:[29, 28, 24], Operations: ['90-66=24'] Exploring Operation: 29+28=57, Resulting Numbers: [24, 57] Generated Node #3: [24, 57] from Operation: 29+28=57 Current State: 81:[24, 57], Operations: ['90-66=24', '29+28=57'] Exploring Operation: 24+57=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[66, 90, 29, 28], Operations: [] Exploring Operation: 66-28=38, Resulting Numbers: [90, 29, 38] Generated Node #0,0: 81:[90, 29, 38] Operation: 66-28=38 Exploring Operation: 90-66=24, Resulting Numbers: [29, 28, 24] Generated Node #0,1: 81:[29, 28, 24] Operation: 90-66=24 Exploring Operation: 66-29=37, Resulting Numbers: [90, 28, 37] Generated Node #0,2: 81:[90, 28, 37] Operation: 66-29=37 Moving to Node #0,1 Current State: 81:[29, 28, 24], Operations: ['90-66=24'] Exploring Operation: 29-24=5, Resulting Numbers: [28, 5] Generated Node #0,1,0: 81:[28, 5] Operation: 29-24=5 Exploring Operation: 29-28=1, Resulting Numbers: [24, 1] Generated Node #0,1,1: 81:[24, 1] Operation: 29-28=1 Exploring Operation: 28-24=4, Resulting Numbers: [29, 4] Generated Node #0,1,2: 81:[29, 4] Operation: 28-24=4 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 81:[28, 5], Operations: ['90-66=24', '29-24=5'] Exploring Operation: 28*5=140, Resulting Numbers: [140] 140,81 unequal: No Solution Exploring Operation: 28-5=23, Resulting Numbers: [23] 23,81 unequal: No Solution Exploring Operation: 28+5=33, Resulting Numbers: [33] 33,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 81:[29, 4], Operations: ['90-66=24', '28-24=4'] Exploring Operation: 29*4=116, Resulting Numbers: [116] 116,81 unequal: No Solution Exploring Operation: 29+4=33, Resulting Numbers: [33] 33,81 unequal: No Solution Exploring Operation: 29-4=25, Resulting Numbers: [25] 25,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 81:[24, 1], Operations: ['90-66=24', '29-28=1'] Exploring Operation: 24+1=25, Resulting Numbers: [25] 25,81 unequal: No Solution Exploring Operation: 24*1=24, Resulting Numbers: [24] 24,81 unequal: No Solution Exploring Operation: 24/1=24, Resulting Numbers: [24] 24,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 81:[90, 28, 37], Operations: ['66-29=37'] Exploring Operation: 37-28=9, Resulting Numbers: [90, 9] Generated Node #0,2,0: 81:[90, 9] Operation: 37-28=9 Exploring Operation: 28+37=65, Resulting Numbers: [90, 65] Generated Node #0,2,1: 81:[90, 65] Operation: 28+37=65 Exploring Operation: 90-37=53, Resulting Numbers: [28, 53] Generated Node #0,2,2: 81:[28, 53] Operation: 90-37=53 Moving to Node #0,0 Current State: 81:[90, 29, 38], Operations: ['66-28=38'] Exploring Operation: 38-29=9, Resulting Numbers: [90, 9] Generated Node #0,0,0: 81:[90, 9] Operation: 38-29=9 Exploring Operation: 29+38=67, Resulting Numbers: [90, 67] Generated Node #0,0,1: 81:[90, 67] Operation: 29+38=67 Exploring Operation: 90-38=52, Resulting Numbers: [29, 52] Generated Node #0,0,2: 81:[29, 52] Operation: 90-38=52 Moving to Node #0,2,0 Current State: 81:[90, 9], Operations: ['66-29=37', '37-28=9'] Exploring Operation: 90-9=81, Resulting Numbers: [81] 81,81 equal: Goal Reached Moving to Node #0 Current State: 81:[66, 90, 29, 28], Operations: [] Exploring Operation: 66-29=37, Resulting Numbers: [90, 28, 37] Generated Node #0,2: 81:[90, 28, 37] Operation: 66-29=37 Moving to Node #0,2 Current State: 81:[90, 28, 37], Operations: ['66-29=37'] Exploring Operation: 37-28=9, Resulting Numbers: [90, 9] Generated Node #0,2,0: 81:[90, 9] Operation: 37-28=9 Moving to Node #0,2,0 Current State: 81:[90, 9], Operations: ['66-29=37', '37-28=9'] Exploring Operation: 90-9=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
0.977431
hs_3
mult_heuristic
[ 96, 90, 9, 55 ]
52
[ "96-90=6", "55-9=46", "6+46=52" ]
Current State: 52:[96, 90, 9, 55], Operations: [] Exploring Operation: 96-90=6, Resulting Numbers: [9, 55, 6] Generated Node #2: [9, 55, 6] from Operation: 96-90=6 Current State: 52:[9, 55, 6], Operations: ['96-90=6'] Exploring Operation: 55-9=46, Resulting Numbers: [6, 46] Generated Node #3: [6, 46] from Operation: 55-9=46 Current State: 52:[6, 46], Operations: ['96-90=6', '55-9=46'] Exploring Operation: 6+46=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[96, 90, 9, 55], Operations: [] Exploring Operation: 96-55=41, Resulting Numbers: [90, 9, 41] Generated Node #0,0: 52:[90, 9, 41] Operation: 96-55=41 Exploring Operation: 90/9=10, Resulting Numbers: [96, 55, 10] Generated Node #0,1: 52:[96, 55, 10] Operation: 90/9=10 Exploring Operation: 96-90=6, Resulting Numbers: [9, 55, 6] Generated Node #0,2: 52:[9, 55, 6] Operation: 96-90=6 Exploring Operation: 90-55=35, Resulting Numbers: [96, 9, 35] Generated Node #0,3: 52:[96, 9, 35] Operation: 90-55=35 Start Sub Search at level 1: Moving to Node #0,2 Current State: 52:[9, 55, 6], Operations: ['96-90=6'] Exploring Operation: 9-6=3, Resulting Numbers: [55, 3] Generated Node #0,2,0: 52:[55, 3] Operation: 9-6=3 Exploring Operation: 9*6=54, Resulting Numbers: [55, 54] Generated Node #0,2,1: 52:[55, 54] Operation: 9*6=54 Exploring Operation: 55-6=49, Resulting Numbers: [9, 49] Generated Node #0,2,2: 52:[9, 49] Operation: 55-6=49 Exploring Operation: 9+6=15, Resulting Numbers: [55, 15] Generated Node #0,2,3: 52:[55, 15] Operation: 9+6=15 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 52:[55, 3], Operations: ['96-90=6', '9-6=3'] Exploring Operation: 55-3=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Moving to Node #0 Current State: 52:[96, 90, 9, 55], Operations: [] Exploring Operation: 96-90=6, Resulting Numbers: [9, 55, 6] Generated Node #0,2: 52:[9, 55, 6] Operation: 96-90=6 Moving to Node #0,2 Current State: 52:[9, 55, 6], Operations: ['96-90=6'] Exploring Operation: 9-6=3, Resulting Numbers: [55, 3] Generated Node #0,2,0: 52:[55, 3] Operation: 9-6=3 Moving to Node #0,2,0 Current State: 52:[55, 3], Operations: ['96-90=6', '9-6=3'] Exploring Operation: 55-3=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.988715
hs_4
sum_heuristic
[ 2, 32, 86, 62 ]
23
[ "62/2=31", "86-32=54", "54-31=23" ]
Current State: 23:[2, 32, 86, 62], Operations: [] Exploring Operation: 62/2=31, Resulting Numbers: [32, 86, 31] Generated Node #2: [32, 86, 31] from Operation: 62/2=31 Current State: 23:[32, 86, 31], Operations: ['62/2=31'] Exploring Operation: 86-32=54, Resulting Numbers: [31, 54] Generated Node #3: [31, 54] from Operation: 86-32=54 Current State: 23:[31, 54], Operations: ['62/2=31', '86-32=54'] Exploring Operation: 54-31=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
4
Current State: 23:[2, 32, 86, 62], Operations: [] Exploring Operation: 86/2=43, Resulting Numbers: [32, 62, 43] Generated Node #0,0: 23:[32, 62, 43] Operation: 86/2=43 Exploring Operation: 62/2=31, Resulting Numbers: [32, 86, 31] Generated Node #0,1: 23:[32, 86, 31] Operation: 62/2=31 Exploring Operation: 86-62=24, Resulting Numbers: [2, 32, 24] Generated Node #0,2: 23:[2, 32, 24] Operation: 86-62=24 Moving to Node #0,2 Current State: 23:[2, 32, 24], Operations: ['86-62=24'] Exploring Operation: 32-2=30, Resulting Numbers: [24, 30] Generated Node #0,2,0: 23:[24, 30] Operation: 32-2=30 Exploring Operation: 24-2=22, Resulting Numbers: [32, 22] Generated Node #0,2,1: 23:[32, 22] Operation: 24-2=22 Exploring Operation: 32/2=16, Resulting Numbers: [24, 16] Generated Node #0,2,2: 23:[24, 16] Operation: 32/2=16 Moving to Node #0,0 Current State: 23:[32, 62, 43], Operations: ['86/2=43'] Exploring Operation: 43-32=11, Resulting Numbers: [62, 11] Generated Node #0,0,0: 23:[62, 11] Operation: 43-32=11 Exploring Operation: 62-43=19, Resulting Numbers: [32, 19] Generated Node #0,0,1: 23:[32, 19] Operation: 62-43=19 Exploring Operation: 62-32=30, Resulting Numbers: [43, 30] Generated Node #0,0,2: 23:[43, 30] Operation: 62-32=30 Moving to Node #0,1 Current State: 23:[32, 86, 31], Operations: ['62/2=31'] Exploring Operation: 32-31=1, Resulting Numbers: [86, 1] Generated Node #0,1,0: 23:[86, 1] Operation: 32-31=1 Exploring Operation: 86-32=54, Resulting Numbers: [31, 54] Generated Node #0,1,1: 23:[31, 54] Operation: 86-32=54 Exploring Operation: 86-31=55, Resulting Numbers: [32, 55] Generated Node #0,1,2: 23:[32, 55] Operation: 86-31=55 Moving to Node #0,2,0 Current State: 23:[24, 30], Operations: ['86-62=24', '32-2=30'] Exploring Operation: 24+30=54, Resulting Numbers: [54] 54,23 unequal: No Solution Exploring Operation: 30-24=6, Resulting Numbers: [6] 6,23 unequal: No Solution Exploring Operation: 24*30=720, Resulting Numbers: [720] 720,23 unequal: No Solution Moving to Node #0,2,2 Current State: 23:[24, 16], Operations: ['86-62=24', '32/2=16'] Exploring Operation: 24+16=40, Resulting Numbers: [40] 40,23 unequal: No Solution Exploring Operation: 24-16=8, Resulting Numbers: [8] 8,23 unequal: No Solution Exploring Operation: 24*16=384, Resulting Numbers: [384] 384,23 unequal: No Solution Moving to Node #0,2,1 Current State: 23:[32, 22], Operations: ['86-62=24', '24-2=22'] Exploring Operation: 32+22=54, Resulting Numbers: [54] 54,23 unequal: No Solution Exploring Operation: 32*22=704, Resulting Numbers: [704] 704,23 unequal: No Solution Exploring Operation: 32-22=10, Resulting Numbers: [10] 10,23 unequal: No Solution Moving to Node #0,0,1 Current State: 23:[32, 19], Operations: ['86/2=43', '62-43=19'] Exploring Operation: 32+19=51, Resulting Numbers: [51] 51,23 unequal: No Solution Exploring Operation: 32-19=13, Resulting Numbers: [13] 13,23 unequal: No Solution Exploring Operation: 32*19=608, Resulting Numbers: [608] 608,23 unequal: No Solution Moving to Node #0,0,2 Current State: 23:[43, 30], Operations: ['86/2=43', '62-32=30'] Exploring Operation: 43*30=1290, Resulting Numbers: [1290] 1290,23 unequal: No Solution Exploring Operation: 43+30=73, Resulting Numbers: [73] 73,23 unequal: No Solution Exploring Operation: 43-30=13, Resulting Numbers: [13] 13,23 unequal: No Solution Moving to Node #0,1,1 Current State: 23:[31, 54], Operations: ['62/2=31', '86-32=54'] Exploring Operation: 31+54=85, Resulting Numbers: [85] 85,23 unequal: No Solution Exploring Operation: 54-31=23, Resulting Numbers: [23] 23,23 equal: Goal Reached Moving to Node #0 Current State: 23:[2, 32, 86, 62], Operations: [] Exploring Operation: 62/2=31, Resulting Numbers: [32, 86, 31] Generated Node #0,1: 23:[32, 86, 31] Operation: 62/2=31 Moving to Node #0,1 Current State: 23:[32, 86, 31], Operations: ['62/2=31'] Exploring Operation: 86-32=54, Resulting Numbers: [31, 54] Generated Node #0,1,1: 23:[31, 54] Operation: 86-32=54 Moving to Node #0,1,1 Current State: 23:[31, 54], Operations: ['62/2=31', '86-32=54'] Exploring Operation: 54-31=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
0.971354
hs_3
sum_heuristic
[ 89, 87, 16, 99 ]
67
[ "89-87=2", "16*2=32", "99-32=67" ]
Current State: 67:[89, 87, 16, 99], Operations: [] Exploring Operation: 89-87=2, Resulting Numbers: [16, 99, 2] Generated Node #2: [16, 99, 2] from Operation: 89-87=2 Current State: 67:[16, 99, 2], Operations: ['89-87=2'] Exploring Operation: 16*2=32, Resulting Numbers: [99, 32] Generated Node #3: [99, 32] from Operation: 16*2=32 Current State: 67:[99, 32], Operations: ['89-87=2', '16*2=32'] Exploring Operation: 99-32=67, Resulting Numbers: [67] 67,67 equal: Goal Reached
4
Current State: 67:[89, 87, 16, 99], Operations: [] Exploring Operation: 89-16=73, Resulting Numbers: [87, 99, 73] Generated Node #0,0: 67:[87, 99, 73] Operation: 89-16=73 Moving to Node #0,0 Current State: 67:[87, 99, 73], Operations: ['89-16=73'] Exploring Operation: 99-87=12, Resulting Numbers: [73, 12] Generated Node #0,0,0: 67:[73, 12] Operation: 99-87=12 Moving to Node #0,0,0 Current State: 67:[73, 12], Operations: ['89-16=73', '99-87=12'] Exploring Operation: 73-12=61, Resulting Numbers: [61] 61,67 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 27, 48, 71, 29 ]
47
[ "29-27=2", "48/2=24", "71-24=47" ]
Current State: 47:[27, 48, 71, 29], Operations: [] Exploring Operation: 29-27=2, Resulting Numbers: [48, 71, 2] Generated Node #2: [48, 71, 2] from Operation: 29-27=2 Current State: 47:[48, 71, 2], Operations: ['29-27=2'] Exploring Operation: 48/2=24, Resulting Numbers: [71, 24] Generated Node #3: [71, 24] from Operation: 48/2=24 Current State: 47:[71, 24], Operations: ['29-27=2', '48/2=24'] Exploring Operation: 71-24=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[27, 48, 71, 29], Operations: [] Exploring Operation: 71-27=44, Resulting Numbers: [48, 29, 44] Generated Node #0,0: 47:[48, 29, 44] Operation: 71-27=44 Exploring Operation: 71-29=42, Resulting Numbers: [27, 48, 42] Generated Node #0,1: 47:[27, 48, 42] Operation: 71-29=42 Start Sub Search at level 1: Moving to Node #0,0 Current State: 47:[48, 29, 44], Operations: ['71-27=44'] Exploring Operation: 29+44=73, Resulting Numbers: [48, 73] Generated Node #0,0,0: 47:[48, 73] Operation: 29+44=73 Exploring Operation: 48-29=19, Resulting Numbers: [44, 19] Generated Node #0,0,1: 47:[44, 19] Operation: 48-29=19 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 47:[48, 73], Operations: ['71-27=44', '29+44=73'] Exploring Operation: 48+73=121, Resulting Numbers: [121] 121,47 unequal: No Solution Exploring Operation: 73-48=25, Resulting Numbers: [25] 25,47 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 47:[44, 19], Operations: ['71-27=44', '48-29=19'] Exploring Operation: 44-19=25, Resulting Numbers: [25] 25,47 unequal: No Solution Exploring Operation: 44+19=63, Resulting Numbers: [63] 63,47 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 47:[27, 48, 42], Operations: ['71-29=42'] Exploring Operation: 27+42=69, Resulting Numbers: [48, 69] Generated Node #0,1,0: 47:[48, 69] Operation: 27+42=69 Exploring Operation: 48-27=21, Resulting Numbers: [42, 21] Generated Node #0,1,1: 47:[42, 21] Operation: 48-27=21 Moving to Node #0,1,0 Current State: 47:[48, 69], Operations: ['71-29=42', '27+42=69'] Exploring Operation: 69-48=21, Resulting Numbers: [21] 21,47 unequal: No Solution Exploring Operation: 48+69=117, Resulting Numbers: [117] 117,47 unequal: No Solution Moving to Node #0,1,1 Current State: 47:[42, 21], Operations: ['71-29=42', '48-27=21'] Exploring Operation: 42+21=63, Resulting Numbers: [63] 63,47 unequal: No Solution Exploring Operation: 42-21=21, Resulting Numbers: [21] 21,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 27, 3, 37, 35 ]
81
[ "27/3=9", "37+35=72", "9+72=81" ]
Current State: 81:[27, 3, 37, 35], Operations: [] Exploring Operation: 27/3=9, Resulting Numbers: [37, 35, 9] Generated Node #2: [37, 35, 9] from Operation: 27/3=9 Current State: 81:[37, 35, 9], Operations: ['27/3=9'] Exploring Operation: 37+35=72, Resulting Numbers: [9, 72] Generated Node #3: [9, 72] from Operation: 37+35=72 Current State: 81:[9, 72], Operations: ['27/3=9', '37+35=72'] Exploring Operation: 9+72=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[27, 3, 37, 35], Operations: [] Exploring Operation: 37-35=2, Resulting Numbers: [27, 3, 2] Generated Node #0,0: 81:[27, 3, 2] Operation: 37-35=2 Exploring Operation: 37-27=10, Resulting Numbers: [3, 35, 10] Generated Node #0,1: 81:[3, 35, 10] Operation: 37-27=10 Moving to Node #0,0 Current State: 81:[27, 3, 2], Operations: ['37-35=2'] Exploring Operation: 27*3=81, Resulting Numbers: [2, 81] Generated Node #0,0,0: 81:[2, 81] Operation: 27*3=81 Exploring Operation: 27/3=9, Resulting Numbers: [2, 9] Generated Node #0,0,1: 81:[2, 9] Operation: 27/3=9 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 81:[2, 81], Operations: ['37-35=2', '27*3=81'] Exploring Operation: 2+81=83, Resulting Numbers: [83] 83,81 unequal: No Solution Exploring Operation: 81-2=79, Resulting Numbers: [79] 79,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 81:[2, 9], Operations: ['37-35=2', '27/3=9'] Exploring Operation: 2+9=11, Resulting Numbers: [11] 11,81 unequal: No Solution Exploring Operation: 9-2=7, Resulting Numbers: [7] 7,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 81:[3, 35, 10], Operations: ['37-27=10'] Exploring Operation: 35-10=25, Resulting Numbers: [3, 25] Generated Node #0,1,0: 81:[3, 25] Operation: 35-10=25 Exploring Operation: 35-3=32, Resulting Numbers: [10, 32] Generated Node #0,1,1: 81:[10, 32] Operation: 35-3=32 Moving to Node #0,1,0 Current State: 81:[3, 25], Operations: ['37-27=10', '35-10=25'] Exploring Operation: 3+25=28, Resulting Numbers: [28] 28,81 unequal: No Solution Exploring Operation: 25-3=22, Resulting Numbers: [22] 22,81 unequal: No Solution Moving to Node #0,1,1 Current State: 81:[10, 32], Operations: ['37-27=10', '35-3=32'] Exploring Operation: 10+32=42, Resulting Numbers: [42] 42,81 unequal: No Solution Exploring Operation: 32-10=22, Resulting Numbers: [22] 22,81 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 76, 28, 2, 36 ]
54
[ "76-36=40", "28/2=14", "40+14=54" ]
Current State: 54:[76, 28, 2, 36], Operations: [] Exploring Operation: 76-36=40, Resulting Numbers: [28, 2, 40] Generated Node #2: [28, 2, 40] from Operation: 76-36=40 Current State: 54:[28, 2, 40], Operations: ['76-36=40'] Exploring Operation: 28/2=14, Resulting Numbers: [40, 14] Generated Node #3: [40, 14] from Operation: 28/2=14 Current State: 54:[40, 14], Operations: ['76-36=40', '28/2=14'] Exploring Operation: 40+14=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
4
Current State: 54:[76, 28, 2, 36], Operations: [] Exploring Operation: 76-36=40, Resulting Numbers: [28, 2, 40] Generated Node #0,0: 54:[28, 2, 40] Operation: 76-36=40 Start Sub Search at level 1: Moving to Node #0,0 Current State: 54:[28, 2, 40], Operations: ['76-36=40'] Exploring Operation: 40-28=12, Resulting Numbers: [2, 12] Generated Node #0,0,0: 54:[2, 12] Operation: 40-28=12 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 54:[2, 12], Operations: ['76-36=40', '40-28=12'] Exploring Operation: 12/2=6, Resulting Numbers: [6] 6,54 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 49, 23, 4, 84 ]
66
[ "49+23=72", "72/4=18", "84-18=66" ]
Current State: 66:[49, 23, 4, 84], Operations: [] Exploring Operation: 49+23=72, Resulting Numbers: [4, 84, 72] Generated Node #2: [4, 84, 72] from Operation: 49+23=72 Current State: 66:[4, 84, 72], Operations: ['49+23=72'] Exploring Operation: 72/4=18, Resulting Numbers: [84, 18] Generated Node #3: [84, 18] from Operation: 72/4=18 Current State: 66:[84, 18], Operations: ['49+23=72', '72/4=18'] Exploring Operation: 84-18=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
4
Current State: 66:[49, 23, 4, 84], Operations: [] Exploring Operation: 84-49=35, Resulting Numbers: [23, 4, 35] Generated Node #0,0: 66:[23, 4, 35] Operation: 84-49=35 Start Sub Search at level 1: Moving to Node #0,0 Current State: 66:[23, 4, 35], Operations: ['84-49=35'] Exploring Operation: 35-23=12, Resulting Numbers: [4, 12] Generated Node #0,0,0: 66:[4, 12] Operation: 35-23=12 Moving to Node #0,0,0 Current State: 66:[4, 12], Operations: ['84-49=35', '35-23=12'] Exploring Operation: 12/4=3, Resulting Numbers: [3] 3,66 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
[ 34, 19, 87, 35 ]
69
[ "34+19=53", "87+35=122", "122-53=69" ]
Current State: 69:[34, 19, 87, 35], Operations: [] Exploring Operation: 34+19=53, Resulting Numbers: [87, 35, 53] Generated Node #2: [87, 35, 53] from Operation: 34+19=53 Current State: 69:[87, 35, 53], Operations: ['34+19=53'] Exploring Operation: 87+35=122, Resulting Numbers: [53, 122] Generated Node #3: [53, 122] from Operation: 87+35=122 Current State: 69:[53, 122], Operations: ['34+19=53', '87+35=122'] Exploring Operation: 122-53=69, Resulting Numbers: [69] 69,69 equal: Goal Reached
4
Current State: 69:[34, 19, 87, 35], Operations: [] Exploring Operation: 35-34=1, Resulting Numbers: [19, 87, 1] Generated Node #0,0: 69:[19, 87, 1] Operation: 35-34=1 Exploring Operation: 34+35=69, Resulting Numbers: [19, 87, 69] Generated Node #0,1: 69:[19, 87, 69] Operation: 34+35=69 Moving to Node #0,1 Current State: 69:[19, 87, 69], Operations: ['34+35=69'] Exploring Operation: 87-19=68, Resulting Numbers: [69, 68] Generated Node #0,1,0: 69:[69, 68] Operation: 87-19=68 Exploring Operation: 87-69=18, Resulting Numbers: [19, 18] Generated Node #0,1,1: 69:[19, 18] Operation: 87-69=18 Moving to Node #0,0 Current State: 69:[19, 87, 1], Operations: ['35-34=1'] Exploring Operation: 87-19=68, Resulting Numbers: [1, 68] Generated Node #0,0,0: 69:[1, 68] Operation: 87-19=68 Exploring Operation: 19+1=20, Resulting Numbers: [87, 20] Generated Node #0,0,1: 69:[87, 20] Operation: 19+1=20 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 69:[1, 68], Operations: ['35-34=1', '87-19=68'] Exploring Operation: 1*68=68, Resulting Numbers: [68] 68,69 unequal: No Solution Exploring Operation: 1+68=69, Resulting Numbers: [69] 69,69 equal: Goal Reached Moving to Node #0 Current State: 69:[34, 19, 87, 35], Operations: [] Exploring Operation: 35-34=1, Resulting Numbers: [19, 87, 1] Generated Node #0,0: 69:[19, 87, 1] Operation: 35-34=1 Moving to Node #0,0 Current State: 69:[19, 87, 1], Operations: ['35-34=1'] Exploring Operation: 87-19=68, Resulting Numbers: [1, 68] Generated Node #0,0,0: 69:[1, 68] Operation: 87-19=68 Moving to Node #0,0,0 Current State: 69:[1, 68], Operations: ['35-34=1', '87-19=68'] Exploring Operation: 1+68=69, Resulting Numbers: [69] 69,69 equal: Goal Reached Exit Sub Search at level 1
0.989583
hs_2
sum_heuristic
[ 87, 37, 62, 22 ]
29
[ "62-37=25", "25-22=3", "87/3=29" ]
Current State: 29:[87, 37, 62, 22], Operations: [] Exploring Operation: 62-37=25, Resulting Numbers: [87, 22, 25] Generated Node #2: [87, 22, 25] from Operation: 62-37=25 Current State: 29:[87, 22, 25], Operations: ['62-37=25'] Exploring Operation: 25-22=3, Resulting Numbers: [87, 3] Generated Node #3: [87, 3] from Operation: 25-22=3 Current State: 29:[87, 3], Operations: ['62-37=25', '25-22=3'] Exploring Operation: 87/3=29, Resulting Numbers: [29] 29,29 equal: Goal Reached
4
Current State: 29:[87, 37, 62, 22], Operations: [] Exploring Operation: 87-62=25, Resulting Numbers: [37, 22, 25] Generated Node #0,0: 29:[37, 22, 25] Operation: 87-62=25 Moving to Node #0,0 Current State: 29:[37, 22, 25], Operations: ['87-62=25'] Exploring Operation: 37-22=15, Resulting Numbers: [25, 15] Generated Node #0,0,0: 29:[25, 15] Operation: 37-22=15 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 29:[25, 15], Operations: ['87-62=25', '37-22=15'] Exploring Operation: 25+15=40, Resulting Numbers: [40] 40,29 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
[ 13, 10, 69, 17 ]
88
[ "13+69=82", "10*17=170", "170-82=88" ]
Current State: 88:[13, 10, 69, 17], Operations: [] Exploring Operation: 13+69=82, Resulting Numbers: [10, 17, 82] Generated Node #2: [10, 17, 82] from Operation: 13+69=82 Current State: 88:[10, 17, 82], Operations: ['13+69=82'] Exploring Operation: 10*17=170, Resulting Numbers: [82, 170] Generated Node #3: [82, 170] from Operation: 10*17=170 Current State: 88:[82, 170], Operations: ['13+69=82', '10*17=170'] Exploring Operation: 170-82=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
4
Current State: 88:[13, 10, 69, 17], Operations: [] Exploring Operation: 69-13=56, Resulting Numbers: [10, 17, 56] Generated Node #0,0: 88:[10, 17, 56] Operation: 69-13=56 Exploring Operation: 13+69=82, Resulting Numbers: [10, 17, 82] Generated Node #0,1: 88:[10, 17, 82] Operation: 13+69=82 Exploring Operation: 10+69=79, Resulting Numbers: [13, 17, 79] Generated Node #0,2: 88:[13, 17, 79] Operation: 10+69=79 Exploring Operation: 69+17=86, Resulting Numbers: [13, 10, 86] Generated Node #0,3: 88:[13, 10, 86] Operation: 69+17=86 Exploring Operation: 69-17=52, Resulting Numbers: [13, 10, 52] Generated Node #0,4: 88:[13, 10, 52] Operation: 69-17=52 Moving to Node #0,3 Current State: 88:[13, 10, 86], Operations: ['69+17=86'] Exploring Operation: 13+86=99, Resulting Numbers: [10, 99] Generated Node #0,3,0: 88:[10, 99] Operation: 13+86=99 Exploring Operation: 86-10=76, Resulting Numbers: [13, 76] Generated Node #0,3,1: 88:[13, 76] Operation: 86-10=76 Exploring Operation: 13-10=3, Resulting Numbers: [86, 3] Generated Node #0,3,2: 88:[86, 3] Operation: 13-10=3 Exploring Operation: 10+86=96, Resulting Numbers: [13, 96] Generated Node #0,3,3: 88:[13, 96] Operation: 10+86=96 Exploring Operation: 13+10=23, Resulting Numbers: [86, 23] Generated Node #0,3,4: 88:[86, 23] Operation: 13+10=23 Moving to Node #0,4 Current State: 88:[13, 10, 52], Operations: ['69-17=52'] Exploring Operation: 52-10=42, Resulting Numbers: [13, 42] Generated Node #0,4,0: 88:[13, 42] Operation: 52-10=42 Exploring Operation: 52/13=4, Resulting Numbers: [10, 4] Generated Node #0,4,1: 88:[10, 4] Operation: 52/13=4 Exploring Operation: 52-13=39, Resulting Numbers: [10, 39] Generated Node #0,4,2: 88:[10, 39] Operation: 52-13=39 Exploring Operation: 13+10=23, Resulting Numbers: [52, 23] Generated Node #0,4,3: 88:[52, 23] Operation: 13+10=23 Exploring Operation: 13-10=3, Resulting Numbers: [52, 3] Generated Node #0,4,4: 88:[52, 3] Operation: 13-10=3 Moving to Node #0,1 Current State: 88:[10, 17, 82], Operations: ['13+69=82'] Exploring Operation: 17+82=99, Resulting Numbers: [10, 99] Generated Node #0,1,0: 88:[10, 99] Operation: 17+82=99 Exploring Operation: 17-10=7, Resulting Numbers: [82, 7] Generated Node #0,1,1: 88:[82, 7] Operation: 17-10=7 Exploring Operation: 82-10=72, Resulting Numbers: [17, 72] Generated Node #0,1,2: 88:[17, 72] Operation: 82-10=72 Exploring Operation: 10+82=92, Resulting Numbers: [17, 92] Generated Node #0,1,3: 88:[17, 92] Operation: 10+82=92 Exploring Operation: 10+17=27, Resulting Numbers: [82, 27] Generated Node #0,1,4: 88:[82, 27] Operation: 10+17=27 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 88:[82, 7], Operations: ['13+69=82', '17-10=7'] Exploring Operation: 82-7=75, Resulting Numbers: [75] 75,88 unequal: No Solution Exploring Operation: 82*7=574, Resulting Numbers: [574] 574,88 unequal: No Solution Exploring Operation: 82+7=89, Resulting Numbers: [89] 89,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 88:[17, 92], Operations: ['13+69=82', '10+82=92'] Exploring Operation: 92-17=75, Resulting Numbers: [75] 75,88 unequal: No Solution Exploring Operation: 17+92=109, Resulting Numbers: [109] 109,88 unequal: No Solution Exploring Operation: 17*92=1564, Resulting Numbers: [1564] 1564,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 88:[82, 27], Operations: ['13+69=82', '10+17=27'] Exploring Operation: 82*27=2214, Resulting Numbers: [2214] 2214,88 unequal: No Solution Exploring Operation: 82+27=109, Resulting Numbers: [109] 109,88 unequal: No Solution Exploring Operation: 82-27=55, Resulting Numbers: [55] 55,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 88:[10, 99], Operations: ['13+69=82', '17+82=99'] Exploring Operation: 10+99=109, Resulting Numbers: [109] 109,88 unequal: No Solution Exploring Operation: 99-10=89, Resulting Numbers: [89] 89,88 unequal: No Solution Exploring Operation: 10*99=990, Resulting Numbers: [990] 990,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 88:[17, 72], Operations: ['13+69=82', '82-10=72'] Exploring Operation: 17+72=89, Resulting Numbers: [89] 89,88 unequal: No Solution Exploring Operation: 72-17=55, Resulting Numbers: [55] 55,88 unequal: No Solution Exploring Operation: 17*72=1224, Resulting Numbers: [1224] 1224,88 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: 88:[13, 17, 79], Operations: ['10+69=79'] Exploring Operation: 79-17=62, Resulting Numbers: [13, 62] Generated Node #0,2,0: 88:[13, 62] Operation: 79-17=62 Exploring Operation: 17+79=96, Resulting Numbers: [13, 96] Generated Node #0,2,1: 88:[13, 96] Operation: 17+79=96 Exploring Operation: 17-13=4, Resulting Numbers: [79, 4] Generated Node #0,2,2: 88:[79, 4] Operation: 17-13=4 Exploring Operation: 13+17=30, Resulting Numbers: [79, 30] Generated Node #0,2,3: 88:[79, 30] Operation: 13+17=30 Exploring Operation: 13+79=92, Resulting Numbers: [17, 92] Generated Node #0,2,4: 88:[17, 92] Operation: 13+79=92 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 88:[79, 4], Operations: ['10+69=79', '17-13=4'] Exploring Operation: 79-4=75, Resulting Numbers: [75] 75,88 unequal: No Solution Exploring Operation: 79*4=316, Resulting Numbers: [316] 316,88 unequal: No Solution Exploring Operation: 79+4=83, Resulting Numbers: [83] 83,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 88:[17, 92], Operations: ['10+69=79', '13+79=92'] Exploring Operation: 92-17=75, Resulting Numbers: [75] 75,88 unequal: No Solution Exploring Operation: 17*92=1564, Resulting Numbers: [1564] 1564,88 unequal: No Solution Exploring Operation: 17+92=109, Resulting Numbers: [109] 109,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 88:[13, 96], Operations: ['10+69=79', '17+79=96'] Exploring Operation: 13*96=1248, Resulting Numbers: [1248] 1248,88 unequal: No Solution Exploring Operation: 96-13=83, Resulting Numbers: [83] 83,88 unequal: No Solution Exploring Operation: 13+96=109, Resulting Numbers: [109] 109,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 88:[79, 30], Operations: ['10+69=79', '13+17=30'] Exploring Operation: 79+30=109, Resulting Numbers: [109] 109,88 unequal: No Solution Exploring Operation: 79*30=2370, Resulting Numbers: [2370] 2370,88 unequal: No Solution Exploring Operation: 79-30=49, Resulting Numbers: [49] 49,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 88:[13, 62], Operations: ['10+69=79', '79-17=62'] Exploring Operation: 62-13=49, Resulting Numbers: [49] 49,88 unequal: No Solution Exploring Operation: 13*62=806, Resulting Numbers: [806] 806,88 unequal: No Solution Exploring Operation: 13+62=75, Resulting Numbers: [75] 75,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 88:[10, 17, 56], Operations: ['69-13=56'] Exploring Operation: 10+17=27, Resulting Numbers: [56, 27] Generated Node #0,0,0: 88:[56, 27] Operation: 10+17=27 Exploring Operation: 56-17=39, Resulting Numbers: [10, 39] Generated Node #0,0,1: 88:[10, 39] Operation: 56-17=39 Exploring Operation: 17+56=73, Resulting Numbers: [10, 73] Generated Node #0,0,2: 88:[10, 73] Operation: 17+56=73 Exploring Operation: 56-10=46, Resulting Numbers: [17, 46] Generated Node #0,0,3: 88:[17, 46] Operation: 56-10=46 Exploring Operation: 17-10=7, Resulting Numbers: [56, 7] Generated Node #0,0,4: 88:[56, 7] Operation: 17-10=7 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 88:[10, 39], Operations: ['69-13=56', '56-17=39'] Exploring Operation: 10+39=49, Resulting Numbers: [49] 49,88 unequal: No Solution Exploring Operation: 10*39=390, Resulting Numbers: [390] 390,88 unequal: No Solution Exploring Operation: 39-10=29, Resulting Numbers: [29] 29,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 88:[17, 46], Operations: ['69-13=56', '56-10=46'] Exploring Operation: 46-17=29, Resulting Numbers: [29] 29,88 unequal: No Solution Exploring Operation: 17*46=782, Resulting Numbers: [782] 782,88 unequal: No Solution Exploring Operation: 17+46=63, Resulting Numbers: [63] 63,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 88:[56, 7], Operations: ['69-13=56', '17-10=7'] Exploring Operation: 56+7=63, Resulting Numbers: [63] 63,88 unequal: No Solution Exploring Operation: 56-7=49, Resulting Numbers: [49] 49,88 unequal: No Solution Exploring Operation: 56*7=392, Resulting Numbers: [392] 392,88 unequal: No Solution Exploring Operation: 56/7=8, Resulting Numbers: [8] 8,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 88:[10, 73], Operations: ['69-13=56', '17+56=73'] Exploring Operation: 10*73=730, Resulting Numbers: [730] 730,88 unequal: No Solution Exploring Operation: 73-10=63, Resulting Numbers: [63] 63,88 unequal: No Solution Exploring Operation: 10+73=83, Resulting Numbers: [83] 83,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 88:[56, 27], Operations: ['69-13=56', '10+17=27'] Exploring Operation: 56+27=83, Resulting Numbers: [83] 83,88 unequal: No Solution Exploring Operation: 56-27=29, Resulting Numbers: [29] 29,88 unequal: No Solution Exploring Operation: 56*27=1512, Resulting Numbers: [1512] 1512,88 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: 88:[10, 4], Operations: ['69-17=52', '52/13=4'] Exploring Operation: 10+4=14, Resulting Numbers: [14] 14,88 unequal: No Solution Exploring Operation: 10*4=40, Resulting Numbers: [40] 40,88 unequal: No Solution Exploring Operation: 10-4=6, Resulting Numbers: [6] 6,88 unequal: No Solution Moving to Node #0,3,2 Current State: 88:[86, 3], Operations: ['69+17=86', '13-10=3'] Exploring Operation: 86-3=83, Resulting Numbers: [83] 83,88 unequal: No Solution Exploring Operation: 86+3=89, Resulting Numbers: [89] 89,88 unequal: No Solution Exploring Operation: 86*3=258, Resulting Numbers: [258] 258,88 unequal: No Solution Moving to Node #0,3,4 Current State: 88:[86, 23], Operations: ['69+17=86', '13+10=23'] Exploring Operation: 86+23=109, Resulting Numbers: [109] 109,88 unequal: No Solution Exploring Operation: 86*23=1978, Resulting Numbers: [1978] 1978,88 unequal: No Solution Exploring Operation: 86-23=63, Resulting Numbers: [63] 63,88 unequal: No Solution Moving to Node #0,4,0 Current State: 88:[13, 42], Operations: ['69-17=52', '52-10=42'] Exploring Operation: 42-13=29, Resulting Numbers: [29] 29,88 unequal: No Solution Exploring Operation: 13*42=546, Resulting Numbers: [546] 546,88 unequal: No Solution Exploring Operation: 13+42=55, Resulting Numbers: [55] 55,88 unequal: No Solution Moving to Node #0,4,2 Current State: 88:[10, 39], Operations: ['69-17=52', '52-13=39'] Exploring Operation: 10*39=390, Resulting Numbers: [390] 390,88 unequal: No Solution Exploring Operation: 39-10=29, Resulting Numbers: [29] 29,88 unequal: No Solution Exploring Operation: 10+39=49, Resulting Numbers: [49] 49,88 unequal: No Solution Moving to Node #0,4,4 Current State: 88:[52, 3], Operations: ['69-17=52', '13-10=3'] Exploring Operation: 52-3=49, Resulting Numbers: [49] 49,88 unequal: No Solution Exploring Operation: 52+3=55, Resulting Numbers: [55] 55,88 unequal: No Solution Exploring Operation: 52*3=156, Resulting Numbers: [156] 156,88 unequal: No Solution Moving to Node #0,4,3 Current State: 88:[52, 23], Operations: ['69-17=52', '13+10=23'] Exploring Operation: 52+23=75, Resulting Numbers: [75] 75,88 unequal: No Solution Exploring Operation: 52*23=1196, Resulting Numbers: [1196] 1196,88 unequal: No Solution Exploring Operation: 52-23=29, Resulting Numbers: [29] 29,88 unequal: No Solution Moving to Node #0,3,3 Current State: 88:[13, 96], Operations: ['69+17=86', '10+86=96'] Exploring Operation: 96-13=83, Resulting Numbers: [83] 83,88 unequal: No Solution Exploring Operation: 13*96=1248, Resulting Numbers: [1248] 1248,88 unequal: No Solution Exploring Operation: 13+96=109, Resulting Numbers: [109] 109,88 unequal: No Solution Moving to Node #0,3,0 Current State: 88:[10, 99], Operations: ['69+17=86', '13+86=99'] Exploring Operation: 99-10=89, Resulting Numbers: [89] 89,88 unequal: No Solution Exploring Operation: 10*99=990, Resulting Numbers: [990] 990,88 unequal: No Solution Exploring Operation: 10+99=109, Resulting Numbers: [109] 109,88 unequal: No Solution Moving to Node #0,3,1 Current State: 88:[13, 76], Operations: ['69+17=86', '86-10=76'] Exploring Operation: 76-13=63, Resulting Numbers: [63] 63,88 unequal: No Solution Exploring Operation: 13*76=988, Resulting Numbers: [988] 988,88 unequal: No Solution Exploring Operation: 13+76=89, Resulting Numbers: [89] 89,88 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 78, 73, 74, 29 ]
11
[ "78-74=4", "73-29=44", "44/4=11" ]
Current State: 11:[78, 73, 74, 29], Operations: [] Exploring Operation: 78-74=4, Resulting Numbers: [73, 29, 4] Generated Node #2: [73, 29, 4] from Operation: 78-74=4 Current State: 11:[73, 29, 4], Operations: ['78-74=4'] Exploring Operation: 73-29=44, Resulting Numbers: [4, 44] Generated Node #3: [4, 44] from Operation: 73-29=44 Current State: 11:[4, 44], Operations: ['78-74=4', '73-29=44'] Exploring Operation: 44/4=11, Resulting Numbers: [11] 11,11 equal: Goal Reached
4
Current State: 11:[78, 73, 74, 29], Operations: [] Exploring Operation: 78-74=4, Resulting Numbers: [73, 29, 4] Generated Node #0,0: 11:[73, 29, 4] Operation: 78-74=4 Exploring Operation: 74-73=1, Resulting Numbers: [78, 29, 1] Generated Node #0,1: 11:[78, 29, 1] Operation: 74-73=1 Exploring Operation: 78-29=49, Resulting Numbers: [73, 74, 49] Generated Node #0,2: 11:[73, 74, 49] Operation: 78-29=49 Exploring Operation: 78-73=5, Resulting Numbers: [74, 29, 5] Generated Node #0,3: 11:[74, 29, 5] Operation: 78-73=5 Start Sub Search at level 1: Moving to Node #0,0 Current State: 11:[73, 29, 4], Operations: ['78-74=4'] Exploring Operation: 73-4=69, Resulting Numbers: [29, 69] Generated Node #0,0,0: 11:[29, 69] Operation: 73-4=69 Exploring Operation: 73+4=77, Resulting Numbers: [29, 77] Generated Node #0,0,1: 11:[29, 77] Operation: 73+4=77 Exploring Operation: 73-29=44, Resulting Numbers: [4, 44] Generated Node #0,0,2: 11:[4, 44] Operation: 73-29=44 Exploring Operation: 29-4=25, Resulting Numbers: [73, 25] Generated Node #0,0,3: 11:[73, 25] Operation: 29-4=25 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 11:[4, 44], Operations: ['78-74=4', '73-29=44'] Exploring Operation: 44/4=11, Resulting Numbers: [11] 11,11 equal: Goal Reached Moving to Node #0 Current State: 11:[78, 73, 74, 29], Operations: [] Exploring Operation: 78-74=4, Resulting Numbers: [73, 29, 4] Generated Node #0,0: 11:[73, 29, 4] Operation: 78-74=4 Moving to Node #0,0 Current State: 11:[73, 29, 4], Operations: ['78-74=4'] Exploring Operation: 73-29=44, Resulting Numbers: [4, 44] Generated Node #0,0,2: 11:[4, 44] Operation: 73-29=44 Moving to Node #0,0,2 Current State: 11:[4, 44], Operations: ['78-74=4', '73-29=44'] Exploring Operation: 44/4=11, Resulting Numbers: [11] 11,11 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.988715
hs_4
sum_heuristic
[ 78, 76, 91, 5 ]
58
[ "78+76=154", "91+5=96", "154-96=58" ]
Current State: 58:[78, 76, 91, 5], Operations: [] Exploring Operation: 78+76=154, Resulting Numbers: [91, 5, 154] Generated Node #2: [91, 5, 154] from Operation: 78+76=154 Current State: 58:[91, 5, 154], Operations: ['78+76=154'] Exploring Operation: 91+5=96, Resulting Numbers: [154, 96] Generated Node #3: [154, 96] from Operation: 91+5=96 Current State: 58:[154, 96], Operations: ['78+76=154', '91+5=96'] Exploring Operation: 154-96=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[78, 76, 91, 5], Operations: [] Exploring Operation: 78-5=73, Resulting Numbers: [76, 91, 73] Generated Node #0,0: 58:[76, 91, 73] Operation: 78-5=73 Exploring Operation: 78-76=2, Resulting Numbers: [91, 5, 2] Generated Node #0,1: 58:[91, 5, 2] Operation: 78-76=2 Exploring Operation: 91-76=15, Resulting Numbers: [78, 5, 15] Generated Node #0,2: 58:[78, 5, 15] Operation: 91-76=15 Exploring Operation: 91-78=13, Resulting Numbers: [76, 5, 13] Generated Node #0,3: 58:[76, 5, 13] Operation: 91-78=13 Exploring Operation: 76-5=71, Resulting Numbers: [78, 91, 71] Generated Node #0,4: 58:[78, 91, 71] Operation: 76-5=71 Start Sub Search at level 1: Moving to Node #0,3 Current State: 58:[76, 5, 13], Operations: ['91-78=13'] Exploring Operation: 76-5=71, Resulting Numbers: [13, 71] Generated Node #0,3,0: 58:[13, 71] Operation: 76-5=71 Exploring Operation: 5+13=18, Resulting Numbers: [76, 18] Generated Node #0,3,1: 58:[76, 18] Operation: 5+13=18 Exploring Operation: 13-5=8, Resulting Numbers: [76, 8] Generated Node #0,3,2: 58:[76, 8] Operation: 13-5=8 Exploring Operation: 5*13=65, Resulting Numbers: [76, 65] Generated Node #0,3,3: 58:[76, 65] Operation: 5*13=65 Exploring Operation: 76-13=63, Resulting Numbers: [5, 63] Generated Node #0,3,4: 58:[5, 63] Operation: 76-13=63 Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 58:[5, 63], Operations: ['91-78=13', '76-13=63'] Exploring Operation: 63-5=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Moving to Node #0 Current State: 58:[78, 76, 91, 5], Operations: [] Exploring Operation: 91-78=13, Resulting Numbers: [76, 5, 13] Generated Node #0,3: 58:[76, 5, 13] Operation: 91-78=13 Moving to Node #0,3 Current State: 58:[76, 5, 13], Operations: ['91-78=13'] Exploring Operation: 76-13=63, Resulting Numbers: [5, 63] Generated Node #0,3,4: 58:[5, 63] Operation: 76-13=63 Moving to Node #0,3,4 Current State: 58:[5, 63], Operations: ['91-78=13', '76-13=63'] Exploring Operation: 63-5=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986979
hs_5
mult_heuristic
[ 98, 58, 26, 71 ]
57
[ "98-58=40", "26+71=97", "97-40=57" ]
Current State: 57:[98, 58, 26, 71], Operations: [] Exploring Operation: 98-58=40, Resulting Numbers: [26, 71, 40] Generated Node #2: [26, 71, 40] from Operation: 98-58=40 Current State: 57:[26, 71, 40], Operations: ['98-58=40'] Exploring Operation: 26+71=97, Resulting Numbers: [40, 97] Generated Node #3: [40, 97] from Operation: 26+71=97 Current State: 57:[40, 97], Operations: ['98-58=40', '26+71=97'] Exploring Operation: 97-40=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
4
Current State: 57:[98, 58, 26, 71], Operations: [] Exploring Operation: 98-58=40, Resulting Numbers: [26, 71, 40] Generated Node #0,0: 57:[26, 71, 40] Operation: 98-58=40 Exploring Operation: 98-26=72, Resulting Numbers: [58, 71, 72] Generated Node #0,1: 57:[58, 71, 72] Operation: 98-26=72 Exploring Operation: 71-26=45, Resulting Numbers: [98, 58, 45] Generated Node #0,2: 57:[98, 58, 45] Operation: 71-26=45 Exploring Operation: 98-71=27, Resulting Numbers: [58, 26, 27] Generated Node #0,3: 57:[58, 26, 27] Operation: 98-71=27 Exploring Operation: 71-58=13, Resulting Numbers: [98, 26, 13] Generated Node #0,4: 57:[98, 26, 13] Operation: 71-58=13 Start Sub Search at level 1: Moving to Node #0,3 Current State: 57:[58, 26, 27], Operations: ['98-71=27'] Exploring Operation: 26+27=53, Resulting Numbers: [58, 53] Generated Node #0,3,0: 57:[58, 53] Operation: 26+27=53 Exploring Operation: 58+26=84, Resulting Numbers: [27, 84] Generated Node #0,3,1: 57:[27, 84] Operation: 58+26=84 Exploring Operation: 58-27=31, Resulting Numbers: [26, 31] Generated Node #0,3,2: 57:[26, 31] Operation: 58-27=31 Exploring Operation: 58-26=32, Resulting Numbers: [27, 32] Generated Node #0,3,3: 57:[27, 32] Operation: 58-26=32 Exploring Operation: 27-26=1, Resulting Numbers: [58, 1] Generated Node #0,3,4: 57:[58, 1] Operation: 27-26=1 Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 57:[58, 1], Operations: ['98-71=27', '27-26=1'] Exploring Operation: 58/1=58, Resulting Numbers: [58] 58,57 unequal: No Solution Exploring Operation: 58+1=59, Resulting Numbers: [59] 59,57 unequal: No Solution Exploring Operation: 58*1=58, Resulting Numbers: [58] 58,57 unequal: No Solution Exploring Operation: 58-1=57, Resulting Numbers: [57] 57,57 equal: Goal Reached Moving to Node #0 Current State: 57:[98, 58, 26, 71], Operations: [] Exploring Operation: 98-71=27, Resulting Numbers: [58, 26, 27] Generated Node #0,3: 57:[58, 26, 27] Operation: 98-71=27 Moving to Node #0,3 Current State: 57:[58, 26, 27], Operations: ['98-71=27'] Exploring Operation: 27-26=1, Resulting Numbers: [58, 1] Generated Node #0,3,4: 57:[58, 1] Operation: 27-26=1 Moving to Node #0,3,4 Current State: 57:[58, 1], Operations: ['98-71=27', '27-26=1'] Exploring Operation: 58-1=57, Resulting Numbers: [57] 57,57 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.984375
hs_5
sum_heuristic
[ 86, 23, 56, 29 ]
22
[ "86-23=63", "56+29=85", "85-63=22" ]
Current State: 22:[86, 23, 56, 29], Operations: [] Exploring Operation: 86-23=63, Resulting Numbers: [56, 29, 63] Generated Node #2: [56, 29, 63] from Operation: 86-23=63 Current State: 22:[56, 29, 63], Operations: ['86-23=63'] Exploring Operation: 56+29=85, Resulting Numbers: [63, 85] Generated Node #3: [63, 85] from Operation: 56+29=85 Current State: 22:[63, 85], Operations: ['86-23=63', '56+29=85'] Exploring Operation: 85-63=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
4
Current State: 22:[86, 23, 56, 29], Operations: [] Exploring Operation: 86-56=30, Resulting Numbers: [23, 29, 30] Generated Node #0,0: 22:[23, 29, 30] Operation: 86-56=30 Moving to Node #0,0 Current State: 22:[23, 29, 30], Operations: ['86-56=30'] Exploring Operation: 30-29=1, Resulting Numbers: [23, 1] Generated Node #0,0,0: 22:[23, 1] Operation: 30-29=1 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 22:[23, 1], Operations: ['86-56=30', '30-29=1'] Exploring Operation: 23-1=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Moving to Node #0 Current State: 22:[86, 23, 56, 29], Operations: [] Exploring Operation: 86-56=30, Resulting Numbers: [23, 29, 30] Generated Node #0,0: 22:[23, 29, 30] Operation: 86-56=30 Moving to Node #0,0 Current State: 22:[23, 29, 30], Operations: ['86-56=30'] Exploring Operation: 30-29=1, Resulting Numbers: [23, 1] Generated Node #0,0,0: 22:[23, 1] Operation: 30-29=1 Moving to Node #0,0,0 Current State: 22:[23, 1], Operations: ['86-56=30', '30-29=1'] Exploring Operation: 23-1=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 48, 72, 8, 21 ]
60
[ "48+21=69", "72/8=9", "69-9=60" ]
Current State: 60:[48, 72, 8, 21], Operations: [] Exploring Operation: 48+21=69, Resulting Numbers: [72, 8, 69] Generated Node #2: [72, 8, 69] from Operation: 48+21=69 Current State: 60:[72, 8, 69], Operations: ['48+21=69'] Exploring Operation: 72/8=9, Resulting Numbers: [69, 9] Generated Node #3: [69, 9] from Operation: 72/8=9 Current State: 60:[69, 9], Operations: ['48+21=69', '72/8=9'] Exploring Operation: 69-9=60, Resulting Numbers: [60] 60,60 equal: Goal Reached
4
Current State: 60:[48, 72, 8, 21], Operations: [] Exploring Operation: 48+8=56, Resulting Numbers: [72, 21, 56] Generated Node #0,0: 60:[72, 21, 56] Operation: 48+8=56 Exploring Operation: 72-48=24, Resulting Numbers: [8, 21, 24] Generated Node #0,1: 60:[8, 21, 24] Operation: 72-48=24 Exploring Operation: 48/8=6, Resulting Numbers: [72, 21, 6] Generated Node #0,2: 60:[72, 21, 6] Operation: 48/8=6 Exploring Operation: 72/8=9, Resulting Numbers: [48, 21, 9] Generated Node #0,3: 60:[48, 21, 9] Operation: 72/8=9 Exploring Operation: 48-21=27, Resulting Numbers: [72, 8, 27] Generated Node #0,4: 60:[72, 8, 27] Operation: 48-21=27 Moving to Node #0,1 Current State: 60:[8, 21, 24], Operations: ['72-48=24'] Exploring Operation: 24-8=16, Resulting Numbers: [21, 16] Generated Node #0,1,0: 60:[21, 16] Operation: 24-8=16 Exploring Operation: 8+21=29, Resulting Numbers: [24, 29] Generated Node #0,1,1: 60:[24, 29] Operation: 8+21=29 Exploring Operation: 24/8=3, Resulting Numbers: [21, 3] Generated Node #0,1,2: 60:[21, 3] Operation: 24/8=3 Exploring Operation: 24-21=3, Resulting Numbers: [8, 3] Generated Node #0,1,3: 60:[8, 3] Operation: 24-21=3 Exploring Operation: 8+24=32, Resulting Numbers: [21, 32] Generated Node #0,1,4: 60:[21, 32] Operation: 8+24=32 Moving to Node #0,2 Current State: 60:[72, 21, 6], Operations: ['48/8=6'] Exploring Operation: 21-6=15, Resulting Numbers: [72, 15] Generated Node #0,2,0: 60:[72, 15] Operation: 21-6=15 Exploring Operation: 21+6=27, Resulting Numbers: [72, 27] Generated Node #0,2,1: 60:[72, 27] Operation: 21+6=27 Exploring Operation: 72-6=66, Resulting Numbers: [21, 66] Generated Node #0,2,2: 60:[21, 66] Operation: 72-6=66 Exploring Operation: 72-21=51, Resulting Numbers: [6, 51] Generated Node #0,2,3: 60:[6, 51] Operation: 72-21=51 Exploring Operation: 72/6=12, Resulting Numbers: [21, 12] Generated Node #0,2,4: 60:[21, 12] Operation: 72/6=12 Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 60:[21, 12], Operations: ['48/8=6', '72/6=12'] Exploring Operation: 21*12=252, Resulting Numbers: [252] 252,60 unequal: No Solution Exploring Operation: 21-12=9, Resulting Numbers: [9] 9,60 unequal: No Solution Exploring Operation: 21+12=33, Resulting Numbers: [33] 33,60 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:[21, 66], Operations: ['48/8=6', '72-6=66'] Exploring Operation: 21*66=1386, Resulting Numbers: [1386] 1386,60 unequal: No Solution Exploring Operation: 66-21=45, Resulting Numbers: [45] 45,60 unequal: No Solution Exploring Operation: 21+66=87, Resulting Numbers: [87] 87,60 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:[6, 51], Operations: ['48/8=6', '72-21=51'] Exploring Operation: 51-6=45, Resulting Numbers: [45] 45,60 unequal: No Solution Exploring Operation: 6*51=306, Resulting Numbers: [306] 306,60 unequal: No Solution Exploring Operation: 6+51=57, Resulting Numbers: [57] 57,60 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:[72, 15], Operations: ['48/8=6', '21-6=15'] Exploring Operation: 72+15=87, Resulting Numbers: [87] 87,60 unequal: No Solution Exploring Operation: 72-15=57, Resulting Numbers: [57] 57,60 unequal: No Solution Exploring Operation: 72*15=1080, Resulting Numbers: [1080] 1080,60 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:[72, 27], Operations: ['48/8=6', '21+6=27'] Exploring Operation: 72*27=1944, Resulting Numbers: [1944] 1944,60 unequal: No Solution Exploring Operation: 72+27=99, Resulting Numbers: [99] 99,60 unequal: No Solution Exploring Operation: 72-27=45, Resulting Numbers: [45] 45,60 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: 60:[48, 21, 9], Operations: ['72/8=9'] Exploring Operation: 48-21=27, Resulting Numbers: [9, 27] Generated Node #0,3,0: 60:[9, 27] Operation: 48-21=27 Exploring Operation: 48+21=69, Resulting Numbers: [9, 69] Generated Node #0,3,1: 60:[9, 69] Operation: 48+21=69 Exploring Operation: 21+9=30, Resulting Numbers: [48, 30] Generated Node #0,3,2: 60:[48, 30] Operation: 21+9=30 Exploring Operation: 48+9=57, Resulting Numbers: [21, 57] Generated Node #0,3,3: 60:[21, 57] Operation: 48+9=57 Exploring Operation: 48-9=39, Resulting Numbers: [21, 39] Generated Node #0,3,4: 60:[21, 39] Operation: 48-9=39 Moving to Node #0,0 Current State: 60:[72, 21, 56], Operations: ['48+8=56'] Exploring Operation: 72-21=51, Resulting Numbers: [56, 51] Generated Node #0,0,0: 60:[56, 51] Operation: 72-21=51 Exploring Operation: 72+21=93, Resulting Numbers: [56, 93] Generated Node #0,0,1: 60:[56, 93] Operation: 72+21=93 Exploring Operation: 56-21=35, Resulting Numbers: [72, 35] Generated Node #0,0,2: 60:[72, 35] Operation: 56-21=35 Exploring Operation: 72-56=16, Resulting Numbers: [21, 16] Generated Node #0,0,3: 60:[21, 16] Operation: 72-56=16 Exploring Operation: 21+56=77, Resulting Numbers: [72, 77] Generated Node #0,0,4: 60:[72, 77] Operation: 21+56=77 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 60:[21, 16], Operations: ['48+8=56', '72-56=16'] Exploring Operation: 21-16=5, Resulting Numbers: [5] 5,60 unequal: No Solution Exploring Operation: 21*16=336, Resulting Numbers: [336] 336,60 unequal: No Solution Exploring Operation: 21+16=37, Resulting Numbers: [37] 37,60 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 #0,0,0 Current State: 60:[56, 51], Operations: ['48+8=56', '72-21=51'] Exploring Operation: 56+51=107, Resulting Numbers: [107] 107,60 unequal: No Solution Exploring Operation: 56*51=2856, Resulting Numbers: [2856] 2856,60 unequal: No Solution Exploring Operation: 56-51=5, Resulting Numbers: [5] 5,60 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 #0,0,2 Current State: 60:[72, 35], Operations: ['48+8=56', '56-21=35'] Exploring Operation: 72+35=107, Resulting Numbers: [107] 107,60 unequal: No Solution Exploring Operation: 72*35=2520, Resulting Numbers: [2520] 2520,60 unequal: No Solution Exploring Operation: 72-35=37, Resulting Numbers: [37] 37,60 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 #0,0,4 Current State: 60:[72, 77], Operations: ['48+8=56', '21+56=77'] Exploring Operation: 72+77=149, Resulting Numbers: [149] 149,60 unequal: No Solution Exploring Operation: 77-72=5, Resulting Numbers: [5] 5,60 unequal: No Solution Exploring Operation: 72*77=5544, Resulting Numbers: [5544] 5544,60 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 #0,0,1 Current State: 60:[56, 93], Operations: ['48+8=56', '72+21=93'] Exploring Operation: 56+93=149, Resulting Numbers: [149] 149,60 unequal: No Solution Exploring Operation: 93-56=37, Resulting Numbers: [37] 37,60 unequal: No Solution Exploring Operation: 56*93=5208, Resulting Numbers: [5208] 5208,60 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:[72, 8, 27], Operations: ['48-21=27'] Exploring Operation: 72-27=45, Resulting Numbers: [8, 45] Generated Node #0,4,0: 60:[8, 45] Operation: 72-27=45 Exploring Operation: 72/8=9, Resulting Numbers: [27, 9] Generated Node #0,4,1: 60:[27, 9] Operation: 72/8=9 Exploring Operation: 27-8=19, Resulting Numbers: [72, 19] Generated Node #0,4,2: 60:[72, 19] Operation: 27-8=19 Exploring Operation: 72-8=64, Resulting Numbers: [27, 64] Generated Node #0,4,3: 60:[27, 64] Operation: 72-8=64 Exploring Operation: 8+27=35, Resulting Numbers: [72, 35] Generated Node #0,4,4: 60:[72, 35] Operation: 8+27=35 Moving to Node #0,1,2 Current State: 60:[21, 3], Operations: ['72-48=24', '24/8=3'] Exploring Operation: 21+3=24, Resulting Numbers: [24] 24,60 unequal: No Solution Exploring Operation: 21-3=18, Resulting Numbers: [18] 18,60 unequal: No Solution Exploring Operation: 21/3=7, Resulting Numbers: [7] 7,60 unequal: No Solution Exploring Operation: 21*3=63, Resulting Numbers: [63] 63,60 unequal: No Solution Moving to Node #0,1,3 Current State: 60:[8, 3], Operations: ['72-48=24', '24-21=3'] Exploring Operation: 8*3=24, Resulting Numbers: [24] 24,60 unequal: No Solution Exploring Operation: 8+3=11, Resulting Numbers: [11] 11,60 unequal: No Solution Exploring Operation: 8-3=5, Resulting Numbers: [5] 5,60 unequal: No Solution Moving to Node #0,1,0 Current State: 60:[21, 16], Operations: ['72-48=24', '24-8=16'] Exploring Operation: 21-16=5, Resulting Numbers: [5] 5,60 unequal: No Solution Exploring Operation: 21+16=37, Resulting Numbers: [37] 37,60 unequal: No Solution Exploring Operation: 21*16=336, Resulting Numbers: [336] 336,60 unequal: No Solution Moving to Node #0,1,4 Current State: 60:[21, 32], Operations: ['72-48=24', '8+24=32'] Exploring Operation: 21*32=672, Resulting Numbers: [672] 672,60 unequal: No Solution Exploring Operation: 32-21=11, Resulting Numbers: [11] 11,60 unequal: No Solution Exploring Operation: 21+32=53, Resulting Numbers: [53] 53,60 unequal: No Solution Moving to Node #0,3,3 Current State: 60:[21, 57], Operations: ['72/8=9', '48+9=57'] Exploring Operation: 57-21=36, Resulting Numbers: [36] 36,60 unequal: No Solution Exploring Operation: 21+57=78, Resulting Numbers: [78] 78,60 unequal: No Solution Exploring Operation: 21*57=1197, Resulting Numbers: [1197] 1197,60 unequal: No Solution Moving to Node #0,3,0 Current State: 60:[9, 27], Operations: ['72/8=9', '48-21=27'] Exploring Operation: 9*27=243, Resulting Numbers: [243] 243,60 unequal: No Solution Exploring Operation: 9+27=36, Resulting Numbers: [36] 36,60 unequal: No Solution Exploring Operation: 27-9=18, Resulting Numbers: [18] 18,60 unequal: No Solution Exploring Operation: 27/9=3, Resulting Numbers: [3] 3,60 unequal: No Solution Moving to Node #0,4,1 Current State: 60:[27, 9], Operations: ['48-21=27', '72/8=9'] Exploring Operation: 27/9=3, Resulting Numbers: [3] 3,60 unequal: No Solution Exploring Operation: 27+9=36, Resulting Numbers: [36] 36,60 unequal: No Solution Exploring Operation: 27-9=18, Resulting Numbers: [18] 18,60 unequal: No Solution Exploring Operation: 27*9=243, Resulting Numbers: [243] 243,60 unequal: No Solution Moving to Node #0,1,1 Current State: 60:[24, 29], Operations: ['72-48=24', '8+21=29'] Exploring Operation: 29-24=5, Resulting Numbers: [5] 5,60 unequal: No Solution Exploring Operation: 24*29=696, Resulting Numbers: [696] 696,60 unequal: No Solution Exploring Operation: 24+29=53, Resulting Numbers: [53] 53,60 unequal: No Solution Moving to Node #0,4,3 Current State: 60:[27, 64], Operations: ['48-21=27', '72-8=64'] Exploring Operation: 27+64=91, Resulting Numbers: [91] 91,60 unequal: No Solution Exploring Operation: 27*64=1728, Resulting Numbers: [1728] 1728,60 unequal: No Solution Exploring Operation: 64-27=37, Resulting Numbers: [37] 37,60 unequal: No Solution Moving to Node #0,3,4 Current State: 60:[21, 39], Operations: ['72/8=9', '48-9=39'] Exploring Operation: 39-21=18, Resulting Numbers: [18] 18,60 unequal: No Solution Exploring Operation: 21*39=819, Resulting Numbers: [819] 819,60 unequal: No Solution Exploring Operation: 21+39=60, Resulting Numbers: [60] 60,60 equal: Goal Reached Moving to Node #0 Current State: 60:[48, 72, 8, 21], Operations: [] Exploring Operation: 72/8=9, Resulting Numbers: [48, 21, 9] Generated Node #0,3: 60:[48, 21, 9] Operation: 72/8=9 Moving to Node #0,3 Current State: 60:[48, 21, 9], Operations: ['72/8=9'] Exploring Operation: 48-9=39, Resulting Numbers: [21, 39] Generated Node #0,3,4: 60:[21, 39] Operation: 48-9=39 Moving to Node #0,3,4 Current State: 60:[21, 39], Operations: ['72/8=9', '48-9=39'] Exploring Operation: 21+39=60, Resulting Numbers: [60] 60,60 equal: Goal Reached
0.915799
hs_5
mult_heuristic
[ 82, 47, 80, 39 ]
92
[ "47-39=8", "80/8=10", "82+10=92" ]
Current State: 92:[82, 47, 80, 39], Operations: [] Exploring Operation: 47-39=8, Resulting Numbers: [82, 80, 8] Generated Node #2: [82, 80, 8] from Operation: 47-39=8 Current State: 92:[82, 80, 8], Operations: ['47-39=8'] Exploring Operation: 80/8=10, Resulting Numbers: [82, 10] Generated Node #3: [82, 10] from Operation: 80/8=10 Current State: 92:[82, 10], Operations: ['47-39=8', '80/8=10'] Exploring Operation: 82+10=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
4
Current State: 92:[82, 47, 80, 39], Operations: [] Exploring Operation: 82-39=43, Resulting Numbers: [47, 80, 43] Generated Node #0,0: 92:[47, 80, 43] Operation: 82-39=43 Exploring Operation: 82-80=2, Resulting Numbers: [47, 39, 2] Generated Node #0,1: 92:[47, 39, 2] Operation: 82-80=2 Start Sub Search at level 1: Moving to Node #0,1 Current State: 92:[47, 39, 2], Operations: ['82-80=2'] Exploring Operation: 47-39=8, Resulting Numbers: [2, 8] Generated Node #0,1,0: 92:[2, 8] Operation: 47-39=8 Exploring Operation: 47+39=86, Resulting Numbers: [2, 86] Generated Node #0,1,1: 92:[2, 86] Operation: 47+39=86 Moving to Node #0,1,0 Current State: 92:[2, 8], Operations: ['82-80=2', '47-39=8'] Exploring Operation: 8/2=4, Resulting Numbers: [4] 4,92 unequal: No Solution Exploring Operation: 8-2=6, Resulting Numbers: [6] 6,92 unequal: No Solution Moving to Node #0,1,1 Current State: 92:[2, 86], Operations: ['82-80=2', '47+39=86'] Exploring Operation: 2+86=88, Resulting Numbers: [88] 88,92 unequal: No Solution Exploring Operation: 86/2=43, Resulting Numbers: [43] 43,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 92:[47, 80, 43], Operations: ['82-39=43'] Exploring Operation: 80-43=37, Resulting Numbers: [47, 37] Generated Node #0,0,0: 92:[47, 37] Operation: 80-43=37 Exploring Operation: 47-43=4, Resulting Numbers: [80, 4] Generated Node #0,0,1: 92:[80, 4] Operation: 47-43=4 Moving to Node #0,0,0 Current State: 92:[47, 37], Operations: ['82-39=43', '80-43=37'] Exploring Operation: 47-37=10, Resulting Numbers: [10] 10,92 unequal: No Solution Exploring Operation: 47+37=84, Resulting Numbers: [84] 84,92 unequal: No Solution Moving to Node #0,0,1 Current State: 92:[80, 4], Operations: ['82-39=43', '47-43=4'] Exploring Operation: 80+4=84, Resulting Numbers: [84] 84,92 unequal: No Solution Exploring Operation: 80/4=20, Resulting Numbers: [20] 20,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 84, 63, 63, 59 ]
56
[ "84-63=21", "63/21=3", "59-3=56" ]
Current State: 56:[84, 63, 63, 59], Operations: [] Exploring Operation: 84-63=21, Resulting Numbers: [59, 21] Generated Node #2: [59, 21] from Operation: 84-63=21 Current State: 56:[59, 21], Operations: ['84-63=21'] Exploring Operation: 63/21=3, Resulting Numbers: [59, 3] Generated Node #3: [59, 3] from Operation: 63/21=3 Current State: 56:[59, 3], Operations: ['84-63=21', '63/21=3'] Exploring Operation: 59-3=56, Resulting Numbers: [56] 56,56 equal: Goal Reached
4
Current State: 56:[84, 63, 63, 59], Operations: [] Exploring Operation: 84-63=21, Resulting Numbers: [63, 59, 21] Generated Node #0,0: 56:[63, 59, 21] Operation: 84-63=21 Exploring Operation: 84-59=25, Resulting Numbers: [63, 63, 25] Generated Node #0,1: 56:[63, 63, 25] Operation: 84-59=25 Exploring Operation: 63-63=0, Resulting Numbers: [84, 59, 0] Generated Node #0,2: 56:[84, 59, 0] Operation: 63-63=0 Exploring Operation: 84-63=21, Resulting Numbers: [63, 59, 21] Generated Node #0,3: 56:[63, 59, 21] Operation: 84-63=21 Exploring Operation: 63/63=1, Resulting Numbers: [84, 59, 1] Generated Node #0,4: 56:[84, 59, 1] Operation: 63/63=1 Start Sub Search at level 1: Moving to Node #0,0 Current State: 56:[63, 59, 21], Operations: ['84-63=21'] Exploring Operation: 63-59=4, Resulting Numbers: [21, 4] Generated Node #0,0,0: 56:[21, 4] Operation: 63-59=4 Exploring Operation: 63/21=3, Resulting Numbers: [59, 3] Generated Node #0,0,1: 56:[59, 3] Operation: 63/21=3 Exploring Operation: 63-21=42, Resulting Numbers: [59, 42] Generated Node #0,0,2: 56:[59, 42] Operation: 63-21=42 Exploring Operation: 59-21=38, Resulting Numbers: [63, 38] Generated Node #0,0,3: 56:[63, 38] Operation: 59-21=38 Exploring Operation: 63+21=84, Resulting Numbers: [59, 84] Generated Node #0,0,4: 56:[59, 84] Operation: 63+21=84 Moving to Node #0,0,1 Current State: 56:[59, 3], Operations: ['84-63=21', '63/21=3'] Exploring Operation: 59+3=62, Resulting Numbers: [62] 62,56 unequal: No Solution Exploring Operation: 59-3=56, Resulting Numbers: [56] 56,56 equal: Goal Reached Moving to Node #0 Current State: 56:[84, 63, 63, 59], Operations: [] Exploring Operation: 84-63=21, Resulting Numbers: [63, 59, 21] Generated Node #0,0: 56:[63, 59, 21] Operation: 84-63=21 Moving to Node #0,0 Current State: 56:[63, 59, 21], Operations: ['84-63=21'] Exploring Operation: 63/21=3, Resulting Numbers: [59, 3] Generated Node #0,0,1: 56:[59, 3] Operation: 63/21=3 Moving to Node #0,0,1 Current State: 56:[59, 3], Operations: ['84-63=21', '63/21=3'] Exploring Operation: 59-3=56, Resulting Numbers: [56] 56,56 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_5
sum_heuristic
[ 43, 2, 4, 91 ]
50
[ "43+2=45", "4+91=95", "95-45=50" ]
Current State: 50:[43, 2, 4, 91], Operations: [] Exploring Operation: 43+2=45, Resulting Numbers: [4, 91, 45] Generated Node #2: [4, 91, 45] from Operation: 43+2=45 Current State: 50:[4, 91, 45], Operations: ['43+2=45'] Exploring Operation: 4+91=95, Resulting Numbers: [45, 95] Generated Node #3: [45, 95] from Operation: 4+91=95 Current State: 50:[45, 95], Operations: ['43+2=45', '4+91=95'] Exploring Operation: 95-45=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[43, 2, 4, 91], Operations: [] Exploring Operation: 43+4=47, Resulting Numbers: [2, 91, 47] Generated Node #0,0: 50:[2, 91, 47] Operation: 43+4=47 Exploring Operation: 91-43=48, Resulting Numbers: [2, 4, 48] Generated Node #0,1: 50:[2, 4, 48] Operation: 91-43=48 Moving to Node #0,1 Current State: 50:[2, 4, 48], Operations: ['91-43=48'] Exploring Operation: 4-2=2, Resulting Numbers: [48, 2] Generated Node #0,1,0: 50:[48, 2] Operation: 4-2=2 Exploring Operation: 2+48=50, Resulting Numbers: [4, 50] Generated Node #0,1,1: 50:[4, 50] Operation: 2+48=50 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 50:[4, 50], Operations: ['91-43=48', '2+48=50'] Exploring Operation: 4+50=54, Resulting Numbers: [54] 54,50 unequal: No Solution Exploring Operation: 50-4=46, Resulting Numbers: [46] 46,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 50:[48, 2], Operations: ['91-43=48', '4-2=2'] Exploring Operation: 48/2=24, Resulting Numbers: [24] 24,50 unequal: No Solution Exploring Operation: 48+2=50, Resulting Numbers: [50] 50,50 equal: Goal Reached Moving to Node #0 Current State: 50:[43, 2, 4, 91], Operations: [] Exploring Operation: 91-43=48, Resulting Numbers: [2, 4, 48] Generated Node #0,1: 50:[2, 4, 48] Operation: 91-43=48 Moving to Node #0,1 Current State: 50:[2, 4, 48], Operations: ['91-43=48'] Exploring Operation: 4-2=2, Resulting Numbers: [48, 2] Generated Node #0,1,0: 50:[48, 2] Operation: 4-2=2 Moving to Node #0,1,0 Current State: 50:[48, 2], Operations: ['91-43=48', '4-2=2'] Exploring Operation: 48+2=50, Resulting Numbers: [50] 50,50 equal: Goal Reached Exit Sub Search at level 1
0.989583
hs_2
mult_heuristic
[ 38, 47, 4, 92 ]
28
[ "38+47=85", "92-85=7", "4*7=28" ]
Current State: 28:[38, 47, 4, 92], Operations: [] Exploring Operation: 38+47=85, Resulting Numbers: [4, 92, 85] Generated Node #2: [4, 92, 85] from Operation: 38+47=85 Current State: 28:[4, 92, 85], Operations: ['38+47=85'] Exploring Operation: 92-85=7, Resulting Numbers: [4, 7] Generated Node #3: [4, 7] from Operation: 92-85=7 Current State: 28:[4, 7], Operations: ['38+47=85', '92-85=7'] Exploring Operation: 4*7=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
4
Current State: 28:[38, 47, 4, 92], Operations: [] Exploring Operation: 92/4=23, Resulting Numbers: [38, 47, 23] Generated Node #0,0: 28:[38, 47, 23] Operation: 92/4=23 Exploring Operation: 47-38=9, Resulting Numbers: [4, 92, 9] Generated Node #0,1: 28:[4, 92, 9] Operation: 47-38=9 Exploring Operation: 92-38=54, Resulting Numbers: [47, 4, 54] Generated Node #0,2: 28:[47, 4, 54] Operation: 92-38=54 Exploring Operation: 92-47=45, Resulting Numbers: [38, 4, 45] Generated Node #0,3: 28:[38, 4, 45] Operation: 92-47=45 Start Sub Search at level 1: Moving to Node #0,3 Current State: 28:[38, 4, 45], Operations: ['92-47=45'] Exploring Operation: 45-38=7, Resulting Numbers: [4, 7] Generated Node #0,3,0: 28:[4, 7] Operation: 45-38=7 Exploring Operation: 45-4=41, Resulting Numbers: [38, 41] Generated Node #0,3,1: 28:[38, 41] Operation: 45-4=41 Exploring Operation: 38-4=34, Resulting Numbers: [45, 34] Generated Node #0,3,2: 28:[45, 34] Operation: 38-4=34 Exploring Operation: 38+4=42, Resulting Numbers: [45, 42] Generated Node #0,3,3: 28:[45, 42] Operation: 38+4=42 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 28:[4, 7], Operations: ['92-47=45', '45-38=7'] Exploring Operation: 4+7=11, Resulting Numbers: [11] 11,28 unequal: No Solution Exploring Operation: 4*7=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Moving to Node #0 Current State: 28:[38, 47, 4, 92], Operations: [] Exploring Operation: 92-47=45, Resulting Numbers: [38, 4, 45] Generated Node #0,3: 28:[38, 4, 45] Operation: 92-47=45 Moving to Node #0,3 Current State: 28:[38, 4, 45], Operations: ['92-47=45'] Exploring Operation: 45-38=7, Resulting Numbers: [4, 7] Generated Node #0,3,0: 28:[4, 7] Operation: 45-38=7 Moving to Node #0,3,0 Current State: 28:[4, 7], Operations: ['92-47=45', '45-38=7'] Exploring Operation: 4*7=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.987847
hs_4
mult_heuristic
[ 95, 43, 55, 46 ]
49
[ "95-43=52", "55+46=101", "101-52=49" ]
Current State: 49:[95, 43, 55, 46], Operations: [] Exploring Operation: 95-43=52, Resulting Numbers: [55, 46, 52] Generated Node #2: [55, 46, 52] from Operation: 95-43=52 Current State: 49:[55, 46, 52], Operations: ['95-43=52'] Exploring Operation: 55+46=101, Resulting Numbers: [52, 101] Generated Node #3: [52, 101] from Operation: 55+46=101 Current State: 49:[52, 101], Operations: ['95-43=52', '55+46=101'] Exploring Operation: 101-52=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
4
Current State: 49:[95, 43, 55, 46], Operations: [] Exploring Operation: 55-43=12, Resulting Numbers: [95, 46, 12] Generated Node #0,0: 49:[95, 46, 12] Operation: 55-43=12 Exploring Operation: 95-46=49, Resulting Numbers: [43, 55, 49] Generated Node #0,1: 49:[43, 55, 49] Operation: 95-46=49 Exploring Operation: 95-43=52, Resulting Numbers: [55, 46, 52] Generated Node #0,2: 49:[55, 46, 52] Operation: 95-43=52 Exploring Operation: 55-46=9, Resulting Numbers: [95, 43, 9] Generated Node #0,3: 49:[95, 43, 9] Operation: 55-46=9 Exploring Operation: 95-55=40, Resulting Numbers: [43, 46, 40] Generated Node #0,4: 49:[43, 46, 40] Operation: 95-55=40 Start Sub Search at level 1: Moving to Node #0,1 Current State: 49:[43, 55, 49], Operations: ['95-46=49'] Exploring Operation: 43+55=98, Resulting Numbers: [49, 98] Generated Node #0,1,0: 49:[49, 98] Operation: 43+55=98 Exploring Operation: 49-43=6, Resulting Numbers: [55, 6] Generated Node #0,1,1: 49:[55, 6] Operation: 49-43=6 Exploring Operation: 55-43=12, Resulting Numbers: [49, 12] Generated Node #0,1,2: 49:[49, 12] Operation: 55-43=12 Exploring Operation: 55-49=6, Resulting Numbers: [43, 6] Generated Node #0,1,3: 49:[43, 6] Operation: 55-49=6 Exploring Operation: 43+49=92, Resulting Numbers: [55, 92] Generated Node #0,1,4: 49:[55, 92] Operation: 43+49=92 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 49:[49, 12], Operations: ['95-46=49', '55-43=12'] Exploring Operation: 49+12=61, Resulting Numbers: [61] 61,49 unequal: No Solution Exploring Operation: 49-12=37, Resulting Numbers: [37] 37,49 unequal: No Solution Exploring Operation: 49*12=588, Resulting Numbers: [588] 588,49 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 49:[55, 6], Operations: ['95-46=49', '49-43=6'] Exploring Operation: 55+6=61, Resulting Numbers: [61] 61,49 unequal: No Solution Exploring Operation: 55*6=330, Resulting Numbers: [330] 330,49 unequal: No Solution Exploring Operation: 55-6=49, Resulting Numbers: [49] 49,49 equal: Goal Reached Moving to Node #0 Current State: 49:[95, 43, 55, 46], Operations: [] Exploring Operation: 95-46=49, Resulting Numbers: [43, 55, 49] Generated Node #0,1: 49:[43, 55, 49] Operation: 95-46=49 Moving to Node #0,1 Current State: 49:[43, 55, 49], Operations: ['95-46=49'] Exploring Operation: 49-43=6, Resulting Numbers: [55, 6] Generated Node #0,1,1: 49:[55, 6] Operation: 49-43=6 Moving to Node #0,1,1 Current State: 49:[55, 6], Operations: ['95-46=49', '49-43=6'] Exploring Operation: 55-6=49, Resulting Numbers: [49] 49,49 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.982639
hs_5
sum_heuristic
[ 65, 72, 8, 52 ]
52
[ "72-65=7", "8-7=1", "52*1=52" ]
Current State: 52:[65, 72, 8, 52], Operations: [] Exploring Operation: 72-65=7, Resulting Numbers: [8, 52, 7] Generated Node #2: [8, 52, 7] from Operation: 72-65=7 Current State: 52:[8, 52, 7], Operations: ['72-65=7'] Exploring Operation: 8-7=1, Resulting Numbers: [52, 1] Generated Node #3: [52, 1] from Operation: 8-7=1 Current State: 52:[52, 1], Operations: ['72-65=7', '8-7=1'] Exploring Operation: 52*1=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[65, 72, 8, 52], Operations: [] Exploring Operation: 72-52=20, Resulting Numbers: [65, 8, 20] Generated Node #0,0: 52:[65, 8, 20] Operation: 72-52=20 Exploring Operation: 65-52=13, Resulting Numbers: [72, 8, 13] Generated Node #0,1: 52:[72, 8, 13] Operation: 65-52=13 Exploring Operation: 72-65=7, Resulting Numbers: [8, 52, 7] Generated Node #0,2: 52:[8, 52, 7] Operation: 72-65=7 Exploring Operation: 65-8=57, Resulting Numbers: [72, 52, 57] Generated Node #0,3: 52:[72, 52, 57] Operation: 65-8=57 Exploring Operation: 72/8=9, Resulting Numbers: [65, 52, 9] Generated Node #0,4: 52:[65, 52, 9] Operation: 72/8=9 Moving to Node #0,2 Current State: 52:[8, 52, 7], Operations: ['72-65=7'] Exploring Operation: 8*7=56, Resulting Numbers: [52, 56] Generated Node #0,2,0: 52:[52, 56] Operation: 8*7=56 Exploring Operation: 8+52=60, Resulting Numbers: [7, 60] Generated Node #0,2,1: 52:[7, 60] Operation: 8+52=60 Exploring Operation: 52-8=44, Resulting Numbers: [7, 44] Generated Node #0,2,2: 52:[7, 44] Operation: 52-8=44 Exploring Operation: 8+7=15, Resulting Numbers: [52, 15] Generated Node #0,2,3: 52:[52, 15] Operation: 8+7=15 Exploring Operation: 8-7=1, Resulting Numbers: [52, 1] Generated Node #0,2,4: 52:[52, 1] Operation: 8-7=1 Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 52:[52, 1], Operations: ['72-65=7', '8-7=1'] Exploring Operation: 52-1=51, Resulting Numbers: [51] 51,52 unequal: No Solution Exploring Operation: 52/1=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Moving to Node #0 Current State: 52:[65, 72, 8, 52], Operations: [] Exploring Operation: 72-65=7, Resulting Numbers: [8, 52, 7] Generated Node #0,2: 52:[8, 52, 7] Operation: 72-65=7 Moving to Node #0,2 Current State: 52:[8, 52, 7], Operations: ['72-65=7'] Exploring Operation: 8-7=1, Resulting Numbers: [52, 1] Generated Node #0,2,4: 52:[52, 1] Operation: 8-7=1 Moving to Node #0,2,4 Current State: 52:[52, 1], Operations: ['72-65=7', '8-7=1'] Exploring Operation: 52/1=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_5
mult_heuristic
[ 72, 46, 27, 38 ]
53
[ "72+46=118", "27+38=65", "118-65=53" ]
Current State: 53:[72, 46, 27, 38], Operations: [] Exploring Operation: 72+46=118, Resulting Numbers: [27, 38, 118] Generated Node #2: [27, 38, 118] from Operation: 72+46=118 Current State: 53:[27, 38, 118], Operations: ['72+46=118'] Exploring Operation: 27+38=65, Resulting Numbers: [118, 65] Generated Node #3: [118, 65] from Operation: 27+38=65 Current State: 53:[118, 65], Operations: ['72+46=118', '27+38=65'] Exploring Operation: 118-65=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[72, 46, 27, 38], Operations: [] Exploring Operation: 72-27=45, Resulting Numbers: [46, 38, 45] Generated Node #0,0: 53:[46, 38, 45] Operation: 72-27=45 Start Sub Search at level 1: Moving to Node #0,0 Current State: 53:[46, 38, 45], Operations: ['72-27=45'] Exploring Operation: 38+45=83, Resulting Numbers: [46, 83] Generated Node #0,0,0: 53:[46, 83] Operation: 38+45=83 Moving to Node #0,0,0 Current State: 53:[46, 83], Operations: ['72-27=45', '38+45=83'] Exploring Operation: 83-46=37, Resulting Numbers: [37] 37,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 83, 7, 2, 4 ]
22
[ "83+7=90", "90-2=88", "88/4=22" ]
Current State: 22:[83, 7, 2, 4], Operations: [] Exploring Operation: 83+7=90, Resulting Numbers: [2, 4, 90] Generated Node #2: [2, 4, 90] from Operation: 83+7=90 Current State: 22:[2, 4, 90], Operations: ['83+7=90'] Exploring Operation: 90-2=88, Resulting Numbers: [4, 88] Generated Node #3: [4, 88] from Operation: 90-2=88 Current State: 22:[4, 88], Operations: ['83+7=90', '90-2=88'] Exploring Operation: 88/4=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
4
Current State: 22:[83, 7, 2, 4], Operations: [] Exploring Operation: 7-4=3, Resulting Numbers: [83, 2, 3] Generated Node #0,0: 22:[83, 2, 3] Operation: 7-4=3 Exploring Operation: 83-7=76, Resulting Numbers: [2, 4, 76] Generated Node #0,1: 22:[2, 4, 76] Operation: 83-7=76 Exploring Operation: 83-4=79, Resulting Numbers: [7, 2, 79] Generated Node #0,2: 22:[7, 2, 79] Operation: 83-4=79 Exploring Operation: 7+4=11, Resulting Numbers: [83, 2, 11] Generated Node #0,3: 22:[83, 2, 11] Operation: 7+4=11 Start Sub Search at level 1: Moving to Node #0,1 Current State: 22:[2, 4, 76], Operations: ['83-7=76'] Exploring Operation: 76/2=38, Resulting Numbers: [4, 38] Generated Node #0,1,0: 22:[4, 38] Operation: 76/2=38 Exploring Operation: 4-2=2, Resulting Numbers: [76, 2] Generated Node #0,1,1: 22:[76, 2] Operation: 4-2=2 Exploring Operation: 76-4=72, Resulting Numbers: [2, 72] Generated Node #0,1,2: 22:[2, 72] Operation: 76-4=72 Exploring Operation: 76/4=19, Resulting Numbers: [2, 19] Generated Node #0,1,3: 22:[2, 19] Operation: 76/4=19 Moving to Node #0,1,3 Current State: 22:[2, 19], Operations: ['83-7=76', '76/4=19'] Exploring Operation: 2*19=38, Resulting Numbers: [38] 38,22 unequal: No Solution Exploring Operation: 19-2=17, Resulting Numbers: [17] 17,22 unequal: No Solution Exploring Operation: 2+19=21, Resulting Numbers: [21] 21,22 unequal: No Solution Moving to Node #0,1,0 Current State: 22:[4, 38], Operations: ['83-7=76', '76/2=38'] Exploring Operation: 4+38=42, Resulting Numbers: [42] 42,22 unequal: No Solution Exploring Operation: 38-4=34, Resulting Numbers: [34] 34,22 unequal: No Solution Exploring Operation: 4*38=152, Resulting Numbers: [152] 152,22 unequal: No Solution Moving to Node #0,1,2 Current State: 22:[2, 72], Operations: ['83-7=76', '76-4=72'] Exploring Operation: 72/2=36, Resulting Numbers: [36] 36,22 unequal: No Solution Exploring Operation: 2+72=74, Resulting Numbers: [74] 74,22 unequal: No Solution Exploring Operation: 72-2=70, Resulting Numbers: [70] 70,22 unequal: No Solution Exploring Operation: 2*72=144, Resulting Numbers: [144] 144,22 unequal: No Solution Moving to Node #0,1,1 Current State: 22:[76, 2], Operations: ['83-7=76', '4-2=2'] Exploring Operation: 76-2=74, Resulting Numbers: [74] 74,22 unequal: No Solution Exploring Operation: 76/2=38, Resulting Numbers: [38] 38,22 unequal: No Solution Exploring Operation: 76+2=78, Resulting Numbers: [78] 78,22 unequal: No Solution Exploring Operation: 76*2=152, Resulting Numbers: [152] 152,22 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 22:[7, 2, 79], Operations: ['83-4=79'] Exploring Operation: 79-7=72, Resulting Numbers: [2, 72] Generated Node #0,2,0: 22:[2, 72] Operation: 79-7=72 Exploring Operation: 79-2=77, Resulting Numbers: [7, 77] Generated Node #0,2,1: 22:[7, 77] Operation: 79-2=77 Exploring Operation: 7+2=9, Resulting Numbers: [79, 9] Generated Node #0,2,2: 22:[79, 9] Operation: 7+2=9 Exploring Operation: 7*2=14, Resulting Numbers: [79, 14] Generated Node #0,2,3: 22:[79, 14] Operation: 7*2=14 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 22:[2, 72], Operations: ['83-4=79', '79-7=72'] Exploring Operation: 72/2=36, Resulting Numbers: [36] 36,22 unequal: No Solution Exploring Operation: 72-2=70, Resulting Numbers: [70] 70,22 unequal: No Solution Exploring Operation: 2*72=144, Resulting Numbers: [144] 144,22 unequal: No Solution Exploring Operation: 2+72=74, Resulting Numbers: [74] 74,22 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 22:[7, 77], Operations: ['83-4=79', '79-2=77'] Exploring Operation: 7*77=539, Resulting Numbers: [539] 539,22 unequal: No Solution Exploring Operation: 7+77=84, Resulting Numbers: [84] 84,22 unequal: No Solution Exploring Operation: 77-7=70, Resulting Numbers: [70] 70,22 unequal: No Solution Exploring Operation: 77/7=11, Resulting Numbers: [11] 11,22 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 22:[79, 9], Operations: ['83-4=79', '7+2=9'] Exploring Operation: 79-9=70, Resulting Numbers: [70] 70,22 unequal: No Solution Exploring Operation: 79*9=711, Resulting Numbers: [711] 711,22 unequal: No Solution Exploring Operation: 79+9=88, Resulting Numbers: [88] 88,22 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 22:[79, 14], Operations: ['83-4=79', '7*2=14'] Exploring Operation: 79+14=93, Resulting Numbers: [93] 93,22 unequal: No Solution Exploring Operation: 79*14=1106, Resulting Numbers: [1106] 1106,22 unequal: No Solution Exploring Operation: 79-14=65, Resulting Numbers: [65] 65,22 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 22:[83, 2, 11], Operations: ['7+4=11'] Exploring Operation: 2*11=22, Resulting Numbers: [83, 22] Generated Node #0,3,0: 22:[83, 22] Operation: 2*11=22 Exploring Operation: 83-2=81, Resulting Numbers: [11, 81] Generated Node #0,3,1: 22:[11, 81] Operation: 83-2=81 Exploring Operation: 83-11=72, Resulting Numbers: [2, 72] Generated Node #0,3,2: 22:[2, 72] Operation: 83-11=72 Exploring Operation: 83+2=85, Resulting Numbers: [11, 85] Generated Node #0,3,3: 22:[11, 85] Operation: 83+2=85 Moving to Node #0,3,2 Current State: 22:[2, 72], Operations: ['7+4=11', '83-11=72'] Exploring Operation: 2+72=74, Resulting Numbers: [74] 74,22 unequal: No Solution Exploring Operation: 72/2=36, Resulting Numbers: [36] 36,22 unequal: No Solution Exploring Operation: 2*72=144, Resulting Numbers: [144] 144,22 unequal: No Solution Exploring Operation: 72-2=70, Resulting Numbers: [70] 70,22 unequal: No Solution Moving to Node #0,3,1 Current State: 22:[11, 81], Operations: ['7+4=11', '83-2=81'] Exploring Operation: 11+81=92, Resulting Numbers: [92] 92,22 unequal: No Solution Exploring Operation: 11*81=891, Resulting Numbers: [891] 891,22 unequal: No Solution Exploring Operation: 81-11=70, Resulting Numbers: [70] 70,22 unequal: No Solution Moving to Node #0,3,0 Current State: 22:[83, 22], Operations: ['7+4=11', '2*11=22'] Exploring Operation: 83-22=61, Resulting Numbers: [61] 61,22 unequal: No Solution Exploring Operation: 83*22=1826, Resulting Numbers: [1826] 1826,22 unequal: No Solution Exploring Operation: 83+22=105, Resulting Numbers: [105] 105,22 unequal: No Solution Moving to Node #0,3,3 Current State: 22:[11, 85], Operations: ['7+4=11', '83+2=85'] Exploring Operation: 11+85=96, Resulting Numbers: [96] 96,22 unequal: No Solution Exploring Operation: 11*85=935, Resulting Numbers: [935] 935,22 unequal: No Solution Exploring Operation: 85-11=74, Resulting Numbers: [74] 74,22 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 22:[83, 2, 3], Operations: ['7-4=3'] Exploring Operation: 3-2=1, Resulting Numbers: [83, 1] Generated Node #0,0,0: 22:[83, 1] Operation: 3-2=1 Exploring Operation: 83-3=80, Resulting Numbers: [2, 80] Generated Node #0,0,1: 22:[2, 80] Operation: 83-3=80 Exploring Operation: 83+2=85, Resulting Numbers: [3, 85] Generated Node #0,0,2: 22:[3, 85] Operation: 83+2=85 Exploring Operation: 83-2=81, Resulting Numbers: [3, 81] Generated Node #0,0,3: 22:[3, 81] Operation: 83-2=81 Moving to Node #0,0,1 Current State: 22:[2, 80], Operations: ['7-4=3', '83-3=80'] Exploring Operation: 80-2=78, Resulting Numbers: [78] 78,22 unequal: No Solution Exploring Operation: 2+80=82, Resulting Numbers: [82] 82,22 unequal: No Solution Exploring Operation: 80/2=40, Resulting Numbers: [40] 40,22 unequal: No Solution Exploring Operation: 2*80=160, Resulting Numbers: [160] 160,22 unequal: No Solution Moving to Node #0,0,3 Current State: 22:[3, 81], Operations: ['7-4=3', '83-2=81'] Exploring Operation: 81-3=78, Resulting Numbers: [78] 78,22 unequal: No Solution Exploring Operation: 3+81=84, Resulting Numbers: [84] 84,22 unequal: No Solution Exploring Operation: 81/3=27, Resulting Numbers: [27] 27,22 unequal: No Solution Exploring Operation: 3*81=243, Resulting Numbers: [243] 243,22 unequal: No Solution Moving to Node #0,0,0 Current State: 22:[83, 1], Operations: ['7-4=3', '3-2=1'] Exploring Operation: 83+1=84, Resulting Numbers: [84] 84,22 unequal: No Solution Exploring Operation: 83-1=82, Resulting Numbers: [82] 82,22 unequal: No Solution Exploring Operation: 83/1=83, Resulting Numbers: [83] 83,22 unequal: No Solution Exploring Operation: 83*1=83, Resulting Numbers: [83] 83,22 unequal: No Solution Moving to Node #0,0,2 Current State: 22:[3, 85], Operations: ['7-4=3', '83+2=85'] Exploring Operation: 3+85=88, Resulting Numbers: [88] 88,22 unequal: No Solution Exploring Operation: 85-3=82, Resulting Numbers: [82] 82,22 unequal: No Solution Exploring Operation: 3*85=255, Resulting Numbers: [255] 255,22 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
[ 3, 17, 53, 11 ]
84
[ "3+17=20", "53+11=64", "20+64=84" ]
Current State: 84:[3, 17, 53, 11], Operations: [] Exploring Operation: 3+17=20, Resulting Numbers: [53, 11, 20] Generated Node #2: [53, 11, 20] from Operation: 3+17=20 Current State: 84:[53, 11, 20], Operations: ['3+17=20'] Exploring Operation: 53+11=64, Resulting Numbers: [20, 64] Generated Node #3: [20, 64] from Operation: 53+11=64 Current State: 84:[20, 64], Operations: ['3+17=20', '53+11=64'] Exploring Operation: 20+64=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
4
Current State: 84:[3, 17, 53, 11], Operations: [] Exploring Operation: 53-11=42, Resulting Numbers: [3, 17, 42] Generated Node #0,0: 84:[3, 17, 42] Operation: 53-11=42 Exploring Operation: 53-17=36, Resulting Numbers: [3, 11, 36] Generated Node #0,1: 84:[3, 11, 36] Operation: 53-17=36 Start Sub Search at level 1: Moving to Node #0,0 Current State: 84:[3, 17, 42], Operations: ['53-11=42'] Exploring Operation: 3+17=20, Resulting Numbers: [42, 20] Generated Node #0,0,0: 84:[42, 20] Operation: 3+17=20 Exploring Operation: 17-3=14, Resulting Numbers: [42, 14] Generated Node #0,0,1: 84:[42, 14] Operation: 17-3=14 Moving to Node #0,0,1 Current State: 84:[42, 14], Operations: ['53-11=42', '17-3=14'] Exploring Operation: 42-14=28, Resulting Numbers: [28] 28,84 unequal: No Solution Exploring Operation: 42/14=3, Resulting Numbers: [3] 3,84 unequal: No Solution Moving to Node #0,0,0 Current State: 84:[42, 20], Operations: ['53-11=42', '3+17=20'] Exploring Operation: 42+20=62, Resulting Numbers: [62] 62,84 unequal: No Solution Exploring Operation: 42-20=22, Resulting Numbers: [22] 22,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 84:[3, 11, 36], Operations: ['53-17=36'] Exploring Operation: 36/3=12, Resulting Numbers: [11, 12] Generated Node #0,1,0: 84:[11, 12] Operation: 36/3=12 Exploring Operation: 36-11=25, Resulting Numbers: [3, 25] Generated Node #0,1,1: 84:[3, 25] Operation: 36-11=25 Moving to Node #0,1,0 Current State: 84:[11, 12], Operations: ['53-17=36', '36/3=12'] Exploring Operation: 12-11=1, Resulting Numbers: [1] 1,84 unequal: No Solution Exploring Operation: 11+12=23, Resulting Numbers: [23] 23,84 unequal: No Solution Moving to Node #0,1,1 Current State: 84:[3, 25], Operations: ['53-17=36', '36-11=25'] Exploring Operation: 3+25=28, Resulting Numbers: [28] 28,84 unequal: No Solution Exploring Operation: 25-3=22, Resulting Numbers: [22] 22,84 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
[ 51, 96, 69, 66 ]
15
[ "96-51=45", "69-66=3", "45/3=15" ]
Current State: 15:[51, 96, 69, 66], Operations: [] Exploring Operation: 96-51=45, Resulting Numbers: [69, 66, 45] Generated Node #2: [69, 66, 45] from Operation: 96-51=45 Current State: 15:[69, 66, 45], Operations: ['96-51=45'] Exploring Operation: 69-66=3, Resulting Numbers: [45, 3] Generated Node #3: [45, 3] from Operation: 69-66=3 Current State: 15:[45, 3], Operations: ['96-51=45', '69-66=3'] Exploring Operation: 45/3=15, Resulting Numbers: [15] 15,15 equal: Goal Reached
4
Current State: 15:[51, 96, 69, 66], Operations: [] Exploring Operation: 96-69=27, Resulting Numbers: [51, 66, 27] Generated Node #0,0: 15:[51, 66, 27] Operation: 96-69=27 Start Sub Search at level 1: Moving to Node #0,0 Current State: 15:[51, 66, 27], Operations: ['96-69=27'] Exploring Operation: 66-51=15, Resulting Numbers: [27, 15] Generated Node #0,0,0: 15:[27, 15] Operation: 66-51=15 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 15:[27, 15], Operations: ['96-69=27', '66-51=15'] Exploring Operation: 27-15=12, Resulting Numbers: [12] 12,15 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
[ 90, 7, 62, 21 ]
17
[ "90-62=28", "28/7=4", "21-4=17" ]
Current State: 17:[90, 7, 62, 21], Operations: [] Exploring Operation: 90-62=28, Resulting Numbers: [7, 21, 28] Generated Node #2: [7, 21, 28] from Operation: 90-62=28 Current State: 17:[7, 21, 28], Operations: ['90-62=28'] Exploring Operation: 28/7=4, Resulting Numbers: [21, 4] Generated Node #3: [21, 4] from Operation: 28/7=4 Current State: 17:[21, 4], Operations: ['90-62=28', '28/7=4'] Exploring Operation: 21-4=17, Resulting Numbers: [17] 17,17 equal: Goal Reached
4
Current State: 17:[90, 7, 62, 21], Operations: [] Exploring Operation: 90-62=28, Resulting Numbers: [7, 21, 28] Generated Node #0,0: 17:[7, 21, 28] Operation: 90-62=28 Exploring Operation: 62-21=41, Resulting Numbers: [90, 7, 41] Generated Node #0,1: 17:[90, 7, 41] Operation: 62-21=41 Exploring Operation: 90-21=69, Resulting Numbers: [7, 62, 69] Generated Node #0,2: 17:[7, 62, 69] Operation: 90-21=69 Moving to Node #0,0 Current State: 17:[7, 21, 28], Operations: ['90-62=28'] Exploring Operation: 28-7=21, Resulting Numbers: [21, 21] Generated Node #0,0,0: 17:[21, 21] Operation: 28-7=21 Exploring Operation: 28/7=4, Resulting Numbers: [21, 4] Generated Node #0,0,1: 17:[21, 4] Operation: 28/7=4 Exploring Operation: 21-7=14, Resulting Numbers: [28, 14] Generated Node #0,0,2: 17:[28, 14] Operation: 21-7=14 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 17:[21, 21], Operations: ['90-62=28', '28-7=21'] Exploring Operation: 21/21=1, Resulting Numbers: [1] 1,17 unequal: No Solution Exploring Operation: 21+21=42, Resulting Numbers: [42] 42,17 unequal: No Solution Exploring Operation: 21-21=0, Resulting Numbers: [0] 0,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 17:[28, 14], Operations: ['90-62=28', '21-7=14'] Exploring Operation: 28-14=14, Resulting Numbers: [14] 14,17 unequal: No Solution Exploring Operation: 28/14=2, Resulting Numbers: [2] 2,17 unequal: No Solution Exploring Operation: 28+14=42, Resulting Numbers: [42] 42,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 17:[21, 4], Operations: ['90-62=28', '28/7=4'] Exploring Operation: 21*4=84, Resulting Numbers: [84] 84,17 unequal: No Solution Exploring Operation: 21+4=25, Resulting Numbers: [25] 25,17 unequal: No Solution Exploring Operation: 21-4=17, Resulting Numbers: [17] 17,17 equal: Goal Reached Moving to Node #0 Current State: 17:[90, 7, 62, 21], Operations: [] Exploring Operation: 90-62=28, Resulting Numbers: [7, 21, 28] Generated Node #0,0: 17:[7, 21, 28] Operation: 90-62=28 Moving to Node #0,0 Current State: 17:[7, 21, 28], Operations: ['90-62=28'] Exploring Operation: 28/7=4, Resulting Numbers: [21, 4] Generated Node #0,0,1: 17:[21, 4] Operation: 28/7=4 Moving to Node #0,0,1 Current State: 17:[21, 4], Operations: ['90-62=28', '28/7=4'] Exploring Operation: 21-4=17, Resulting Numbers: [17] 17,17 equal: Goal Reached Exit Sub Search at level 1
0.983507
hs_3
sum_heuristic
[ 32, 44, 1, 56 ]
20
[ "32+44=76", "1*56=56", "76-56=20" ]
Current State: 20:[32, 44, 1, 56], Operations: [] Exploring Operation: 32+44=76, Resulting Numbers: [1, 56, 76] Generated Node #2: [1, 56, 76] from Operation: 32+44=76 Current State: 20:[1, 56, 76], Operations: ['32+44=76'] Exploring Operation: 1*56=56, Resulting Numbers: [76, 56] Generated Node #3: [76, 56] from Operation: 1*56=56 Current State: 20:[76, 56], Operations: ['32+44=76', '1*56=56'] Exploring Operation: 76-56=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[32, 44, 1, 56], Operations: [] Exploring Operation: 32-1=31, Resulting Numbers: [44, 56, 31] Generated Node #0,0: 20:[44, 56, 31] Operation: 32-1=31 Exploring Operation: 56-32=24, Resulting Numbers: [44, 1, 24] Generated Node #0,1: 20:[44, 1, 24] Operation: 56-32=24 Exploring Operation: 56-44=12, Resulting Numbers: [32, 1, 12] Generated Node #0,2: 20:[32, 1, 12] Operation: 56-44=12 Exploring Operation: 44-32=12, Resulting Numbers: [1, 56, 12] Generated Node #0,3: 20:[1, 56, 12] Operation: 44-32=12 Start Sub Search at level 1: Moving to Node #0,2 Current State: 20:[32, 1, 12], Operations: ['56-44=12'] Exploring Operation: 32*1=32, Resulting Numbers: [12, 32] Generated Node #0,2,0: 20:[12, 32] Operation: 32*1=32 Exploring Operation: 32-12=20, Resulting Numbers: [1, 20] Generated Node #0,2,1: 20:[1, 20] Operation: 32-12=20 Exploring Operation: 32-1=31, Resulting Numbers: [12, 31] Generated Node #0,2,2: 20:[12, 31] Operation: 32-1=31 Exploring Operation: 12-1=11, Resulting Numbers: [32, 11] Generated Node #0,2,3: 20:[32, 11] Operation: 12-1=11 Moving to Node #0,2,1 Current State: 20:[1, 20], Operations: ['56-44=12', '32-12=20'] Exploring Operation: 20/1=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Moving to Node #0 Current State: 20:[32, 44, 1, 56], Operations: [] Exploring Operation: 56-44=12, Resulting Numbers: [32, 1, 12] Generated Node #0,2: 20:[32, 1, 12] Operation: 56-44=12 Moving to Node #0,2 Current State: 20:[32, 1, 12], Operations: ['56-44=12'] Exploring Operation: 32-12=20, Resulting Numbers: [1, 20] Generated Node #0,2,1: 20:[1, 20] Operation: 32-12=20 Moving to Node #0,2,1 Current State: 20:[1, 20], Operations: ['56-44=12', '32-12=20'] Exploring Operation: 20/1=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_4
mult_heuristic
[ 4, 70, 60, 88 ]
45
[ "70-4=66", "60*66=3960", "3960/88=45" ]
Current State: 45:[4, 70, 60, 88], Operations: [] Exploring Operation: 70-4=66, Resulting Numbers: [60, 88, 66] Generated Node #2: [60, 88, 66] from Operation: 70-4=66 Current State: 45:[60, 88, 66], Operations: ['70-4=66'] Exploring Operation: 60*66=3960, Resulting Numbers: [88, 3960] Generated Node #3: [88, 3960] from Operation: 60*66=3960 Current State: 45:[88, 3960], Operations: ['70-4=66', '60*66=3960'] Exploring Operation: 3960/88=45, Resulting Numbers: [45] 45,45 equal: Goal Reached
4
Current State: 45:[4, 70, 60, 88], Operations: [] Exploring Operation: 88-70=18, Resulting Numbers: [4, 60, 18] Generated Node #0,0: 45:[4, 60, 18] Operation: 88-70=18 Moving to Node #0,0 Current State: 45:[4, 60, 18], Operations: ['88-70=18'] Exploring Operation: 60/4=15, Resulting Numbers: [18, 15] Generated Node #0,0,0: 45:[18, 15] Operation: 60/4=15 Moving to Node #0,0,0 Current State: 45:[18, 15], Operations: ['88-70=18', '60/4=15'] Exploring Operation: 18-15=3, Resulting Numbers: [3] 3,45 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 2, 51, 23, 80 ]
50
[ "2+51=53", "23+80=103", "103-53=50" ]
Current State: 50:[2, 51, 23, 80], Operations: [] Exploring Operation: 2+51=53, Resulting Numbers: [23, 80, 53] Generated Node #2: [23, 80, 53] from Operation: 2+51=53 Current State: 50:[23, 80, 53], Operations: ['2+51=53'] Exploring Operation: 23+80=103, Resulting Numbers: [53, 103] Generated Node #3: [53, 103] from Operation: 23+80=103 Current State: 50:[53, 103], Operations: ['2+51=53', '23+80=103'] Exploring Operation: 103-53=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[2, 51, 23, 80], Operations: [] Exploring Operation: 80-51=29, Resulting Numbers: [2, 23, 29] Generated Node #0,0: 50:[2, 23, 29] Operation: 80-51=29 Exploring Operation: 80/2=40, Resulting Numbers: [51, 23, 40] Generated Node #0,1: 50:[51, 23, 40] Operation: 80/2=40 Exploring Operation: 80-23=57, Resulting Numbers: [2, 51, 57] Generated Node #0,2: 50:[2, 51, 57] Operation: 80-23=57 Start Sub Search at level 1: Moving to Node #0,0 Current State: 50:[2, 23, 29], Operations: ['80-51=29'] Exploring Operation: 2+23=25, Resulting Numbers: [29, 25] Generated Node #0,0,0: 50:[29, 25] Operation: 2+23=25 Exploring Operation: 29-23=6, Resulting Numbers: [2, 6] Generated Node #0,0,1: 50:[2, 6] Operation: 29-23=6 Exploring Operation: 23+29=52, Resulting Numbers: [2, 52] Generated Node #0,0,2: 50:[2, 52] Operation: 23+29=52 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 50:[2, 6], Operations: ['80-51=29', '29-23=6'] Exploring Operation: 6/2=3, Resulting Numbers: [3] 3,50 unequal: No Solution Exploring Operation: 2+6=8, Resulting Numbers: [8] 8,50 unequal: No Solution Exploring Operation: 6-2=4, Resulting Numbers: [4] 4,50 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 50:[2, 52], Operations: ['80-51=29', '23+29=52'] Exploring Operation: 52-2=50, Resulting Numbers: [50] 50,50 equal: Goal Reached Moving to Node #0 Current State: 50:[2, 51, 23, 80], Operations: [] Exploring Operation: 80-51=29, Resulting Numbers: [2, 23, 29] Generated Node #0,0: 50:[2, 23, 29] Operation: 80-51=29 Moving to Node #0,0 Current State: 50:[2, 23, 29], Operations: ['80-51=29'] Exploring Operation: 23+29=52, Resulting Numbers: [2, 52] Generated Node #0,0,2: 50:[2, 52] Operation: 23+29=52 Moving to Node #0,0,2 Current State: 50:[2, 52], Operations: ['80-51=29', '23+29=52'] Exploring Operation: 52-2=50, Resulting Numbers: [50] 50,50 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.987847
hs_3
mult_heuristic
[ 9, 52, 34, 11 ]
13
[ "9*11=99", "52+34=86", "99-86=13" ]
Current State: 13:[9, 52, 34, 11], Operations: [] Exploring Operation: 9*11=99, Resulting Numbers: [52, 34, 99] Generated Node #2: [52, 34, 99] from Operation: 9*11=99 Current State: 13:[52, 34, 99], Operations: ['9*11=99'] Exploring Operation: 52+34=86, Resulting Numbers: [99, 86] Generated Node #3: [99, 86] from Operation: 52+34=86 Current State: 13:[99, 86], Operations: ['9*11=99', '52+34=86'] Exploring Operation: 99-86=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
4
Current State: 13:[9, 52, 34, 11], Operations: [] Exploring Operation: 52-34=18, Resulting Numbers: [9, 11, 18] Generated Node #0,0: 13:[9, 11, 18] Operation: 52-34=18 Start Sub Search at level 1: Moving to Node #0,0 Current State: 13:[9, 11, 18], Operations: ['52-34=18'] Exploring Operation: 18-9=9, Resulting Numbers: [11, 9] Generated Node #0,0,0: 13:[11, 9] Operation: 18-9=9 Moving to Node #0,0,0 Current State: 13:[11, 9], Operations: ['52-34=18', '18-9=9'] Exploring Operation: 11+9=20, Resulting Numbers: [20] 20,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 57, 51, 37, 97 ]
61
[ "51+97=148", "148/37=4", "57+4=61" ]
Current State: 61:[57, 51, 37, 97], Operations: [] Exploring Operation: 51+97=148, Resulting Numbers: [57, 37, 148] Generated Node #2: [57, 37, 148] from Operation: 51+97=148 Current State: 61:[57, 37, 148], Operations: ['51+97=148'] Exploring Operation: 148/37=4, Resulting Numbers: [57, 4] Generated Node #3: [57, 4] from Operation: 148/37=4 Current State: 61:[57, 4], Operations: ['51+97=148', '148/37=4'] Exploring Operation: 57+4=61, Resulting Numbers: [61] 61,61 equal: Goal Reached
4
Current State: 61:[57, 51, 37, 97], Operations: [] Exploring Operation: 97-37=60, Resulting Numbers: [57, 51, 60] Generated Node #0,0: 61:[57, 51, 60] Operation: 97-37=60 Start Sub Search at level 1: Moving to Node #0,0 Current State: 61:[57, 51, 60], Operations: ['97-37=60'] Exploring Operation: 57+51=108, Resulting Numbers: [60, 108] Generated Node #0,0,0: 61:[60, 108] Operation: 57+51=108 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 61:[60, 108], Operations: ['97-37=60', '57+51=108'] Exploring Operation: 108-60=48, Resulting Numbers: [48] 48,61 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 48, 15, 36, 93 ]
96
[ "48-15=33", "36+93=129", "129-33=96" ]
Current State: 96:[48, 15, 36, 93], Operations: [] Exploring Operation: 48-15=33, Resulting Numbers: [36, 93, 33] Generated Node #2: [36, 93, 33] from Operation: 48-15=33 Current State: 96:[36, 93, 33], Operations: ['48-15=33'] Exploring Operation: 36+93=129, Resulting Numbers: [33, 129] Generated Node #3: [33, 129] from Operation: 36+93=129 Current State: 96:[33, 129], Operations: ['48-15=33', '36+93=129'] Exploring Operation: 129-33=96, Resulting Numbers: [96] 96,96 equal: Goal Reached
4
Current State: 96:[48, 15, 36, 93], Operations: [] Exploring Operation: 48-36=12, Resulting Numbers: [15, 93, 12] Generated Node #0,0: 96:[15, 93, 12] Operation: 48-36=12 Exploring Operation: 15+36=51, Resulting Numbers: [48, 93, 51] Generated Node #0,1: 96:[48, 93, 51] Operation: 15+36=51 Exploring Operation: 36-15=21, Resulting Numbers: [48, 93, 21] Generated Node #0,2: 96:[48, 93, 21] Operation: 36-15=21 Exploring Operation: 48-15=33, Resulting Numbers: [36, 93, 33] Generated Node #0,3: 96:[36, 93, 33] Operation: 48-15=33 Exploring Operation: 93-48=45, Resulting Numbers: [15, 36, 45] Generated Node #0,4: 96:[15, 36, 45] Operation: 93-48=45 Start Sub Search at level 1: Moving to Node #0,0 Current State: 96:[15, 93, 12], Operations: ['48-36=12'] Exploring Operation: 93-12=81, Resulting Numbers: [15, 81] Generated Node #0,0,0: 96:[15, 81] Operation: 93-12=81 Exploring Operation: 15-12=3, Resulting Numbers: [93, 3] Generated Node #0,0,1: 96:[93, 3] Operation: 15-12=3 Exploring Operation: 15+12=27, Resulting Numbers: [93, 27] Generated Node #0,0,2: 96:[93, 27] Operation: 15+12=27 Exploring Operation: 15+93=108, Resulting Numbers: [12, 108] Generated Node #0,0,3: 96:[12, 108] Operation: 15+93=108 Exploring Operation: 93+12=105, Resulting Numbers: [15, 105] Generated Node #0,0,4: 96:[15, 105] Operation: 93+12=105 Moving to Node #0,0,1 Current State: 96:[93, 3], Operations: ['48-36=12', '15-12=3'] Exploring Operation: 93-3=90, Resulting Numbers: [90] 90,96 unequal: No Solution Exploring Operation: 93/3=31, Resulting Numbers: [31] 31,96 unequal: No Solution Exploring Operation: 93+3=96, Resulting Numbers: [96] 96,96 equal: Goal Reached Moving to Node #0 Current State: 96:[48, 15, 36, 93], Operations: [] Exploring Operation: 48-36=12, Resulting Numbers: [15, 93, 12] Generated Node #0,0: 96:[15, 93, 12] Operation: 48-36=12 Moving to Node #0,0 Current State: 96:[15, 93, 12], Operations: ['48-36=12'] Exploring Operation: 15-12=3, Resulting Numbers: [93, 3] Generated Node #0,0,1: 96:[93, 3] Operation: 15-12=3 Moving to Node #0,0,1 Current State: 96:[93, 3], Operations: ['48-36=12', '15-12=3'] Exploring Operation: 93+3=96, Resulting Numbers: [96] 96,96 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_5
sum_heuristic
[ 13, 60, 84, 73 ]
84
[ "13+60=73", "84+73=157", "157-73=84" ]
Current State: 84:[13, 60, 84, 73], Operations: [] Exploring Operation: 13+60=73, Resulting Numbers: [84, 73, 73] Generated Node #2: [84, 73, 73] from Operation: 13+60=73 Current State: 84:[84, 73, 73], Operations: ['13+60=73'] Exploring Operation: 84+73=157, Resulting Numbers: [157] 157,84 equal: Goal Reached Exploring Operation: 157-73=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
4
Current State: 84:[13, 60, 84, 73], Operations: [] Exploring Operation: 73-60=13, Resulting Numbers: [13, 84, 13] Generated Node #0,0: 84:[13, 84, 13] Operation: 73-60=13 Start Sub Search at level 1: Moving to Node #0,0 Current State: 84:[13, 84, 13], Operations: ['73-60=13'] Exploring Operation: 13/13=1, Resulting Numbers: [84, 1] Generated Node #0,0,0: 84:[84, 1] Operation: 13/13=1 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 84:[84, 1], Operations: ['73-60=13', '13/13=1'] Exploring Operation: 84*1=84, Resulting Numbers: [84] 84,84 equal: Goal Reached Moving to Node #0 Current State: 84:[13, 60, 84, 73], Operations: [] Exploring Operation: 73-60=13, Resulting Numbers: [13, 84, 13] Generated Node #0,0: 84:[13, 84, 13] Operation: 73-60=13 Moving to Node #0,0 Current State: 84:[13, 84, 13], Operations: ['73-60=13'] Exploring Operation: 13/13=1, Resulting Numbers: [84, 1] Generated Node #0,0,0: 84:[84, 1] Operation: 13/13=1 Moving to Node #0,0,0 Current State: 84:[84, 1], Operations: ['73-60=13', '13/13=1'] Exploring Operation: 84*1=84, Resulting Numbers: [84] 84,84 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 38, 60, 36, 14 ]
44
[ "60-38=22", "36-14=22", "22+22=44" ]
Current State: 44:[38, 60, 36, 14], Operations: [] Exploring Operation: 60-38=22, Resulting Numbers: [36, 14, 22] Generated Node #2: [36, 14, 22] from Operation: 60-38=22 Current State: 44:[36, 14, 22], Operations: ['60-38=22'] Exploring Operation: 36-14=22, Resulting Numbers: [22, 22] Generated Node #3: [22, 22] from Operation: 36-14=22 Current State: 44:[22, 22], Operations: ['60-38=22', '36-14=22'] Exploring Operation: 22+22=44, Resulting Numbers: [44] 44,44 equal: Goal Reached
4
Current State: 44:[38, 60, 36, 14], Operations: [] Exploring Operation: 38-36=2, Resulting Numbers: [60, 14, 2] Generated Node #0,0: 44:[60, 14, 2] Operation: 38-36=2 Exploring Operation: 60-38=22, Resulting Numbers: [36, 14, 22] Generated Node #0,1: 44:[36, 14, 22] Operation: 60-38=22 Exploring Operation: 60-14=46, Resulting Numbers: [38, 36, 46] Generated Node #0,2: 44:[38, 36, 46] Operation: 60-14=46 Exploring Operation: 60-36=24, Resulting Numbers: [38, 14, 24] Generated Node #0,3: 44:[38, 14, 24] Operation: 60-36=24 Moving to Node #0,1 Current State: 44:[36, 14, 22], Operations: ['60-38=22'] Exploring Operation: 22-14=8, Resulting Numbers: [36, 8] Generated Node #0,1,0: 44:[36, 8] Operation: 22-14=8 Exploring Operation: 36-14=22, Resulting Numbers: [22, 22] Generated Node #0,1,1: 44:[22, 22] Operation: 36-14=22 Exploring Operation: 36-22=14, Resulting Numbers: [14, 14] Generated Node #0,1,2: 44:[14, 14] Operation: 36-22=14 Exploring Operation: 36+14=50, Resulting Numbers: [22, 50] Generated Node #0,1,3: 44:[22, 50] Operation: 36+14=50 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 44:[22, 22], Operations: ['60-38=22', '36-14=22'] Exploring Operation: 22-22=0, Resulting Numbers: [0] 0,44 unequal: No Solution Exploring Operation: 22/22=1, Resulting Numbers: [1] 1,44 unequal: No Solution Exploring Operation: 22*22=484, Resulting Numbers: [484] 484,44 unequal: No Solution Exploring Operation: 22+22=44, Resulting Numbers: [44] 44,44 equal: Goal Reached Moving to Node #0 Current State: 44:[38, 60, 36, 14], Operations: [] Exploring Operation: 60-38=22, Resulting Numbers: [36, 14, 22] Generated Node #0,1: 44:[36, 14, 22] Operation: 60-38=22 Moving to Node #0,1 Current State: 44:[36, 14, 22], Operations: ['60-38=22'] Exploring Operation: 36-14=22, Resulting Numbers: [22, 22] Generated Node #0,1,1: 44:[22, 22] Operation: 36-14=22 Moving to Node #0,1,1 Current State: 44:[22, 22], Operations: ['60-38=22', '36-14=22'] Exploring Operation: 22+22=44, Resulting Numbers: [44] 44,44 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_4
mult_heuristic
[ 72, 11, 52, 17 ]
96
[ "72-11=61", "52-17=35", "61+35=96" ]
Current State: 96:[72, 11, 52, 17], Operations: [] Exploring Operation: 72-11=61, Resulting Numbers: [52, 17, 61] Generated Node #2: [52, 17, 61] from Operation: 72-11=61 Current State: 96:[52, 17, 61], Operations: ['72-11=61'] Exploring Operation: 52-17=35, Resulting Numbers: [61, 35] Generated Node #3: [61, 35] from Operation: 52-17=35 Current State: 96:[61, 35], Operations: ['72-11=61', '52-17=35'] Exploring Operation: 61+35=96, Resulting Numbers: [96] 96,96 equal: Goal Reached
4
Current State: 96:[72, 11, 52, 17], Operations: [] Exploring Operation: 72-52=20, Resulting Numbers: [11, 17, 20] Generated Node #0,0: 96:[11, 17, 20] Operation: 72-52=20 Start Sub Search at level 1: Moving to Node #0,0 Current State: 96:[11, 17, 20], Operations: ['72-52=20'] Exploring Operation: 20-17=3, Resulting Numbers: [11, 3] Generated Node #0,0,0: 96:[11, 3] Operation: 20-17=3 Moving to Node #0,0,0 Current State: 96:[11, 3], Operations: ['72-52=20', '20-17=3'] Exploring Operation: 11-3=8, Resulting Numbers: [8] 8,96 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 88, 64, 50, 39 ]
72
[ "50-39=11", "88/11=8", "64+8=72" ]
Current State: 72:[88, 64, 50, 39], Operations: [] Exploring Operation: 50-39=11, Resulting Numbers: [88, 64, 11] Generated Node #2: [88, 64, 11] from Operation: 50-39=11 Current State: 72:[88, 64, 11], Operations: ['50-39=11'] Exploring Operation: 88/11=8, Resulting Numbers: [64, 8] Generated Node #3: [64, 8] from Operation: 88/11=8 Current State: 72:[64, 8], Operations: ['50-39=11', '88/11=8'] Exploring Operation: 64+8=72, Resulting Numbers: [72] 72,72 equal: Goal Reached
4
Current State: 72:[88, 64, 50, 39], Operations: [] Exploring Operation: 88-50=38, Resulting Numbers: [64, 39, 38] Generated Node #0,0: 72:[64, 39, 38] Operation: 88-50=38 Exploring Operation: 88-64=24, Resulting Numbers: [50, 39, 24] Generated Node #0,1: 72:[50, 39, 24] Operation: 88-64=24 Exploring Operation: 64-50=14, Resulting Numbers: [88, 39, 14] Generated Node #0,2: 72:[88, 39, 14] Operation: 64-50=14 Exploring Operation: 50-39=11, Resulting Numbers: [88, 64, 11] Generated Node #0,3: 72:[88, 64, 11] Operation: 50-39=11 Start Sub Search at level 1: Moving to Node #0,0 Current State: 72:[64, 39, 38], Operations: ['88-50=38'] Exploring Operation: 64-38=26, Resulting Numbers: [39, 26] Generated Node #0,0,0: 72:[39, 26] Operation: 64-38=26 Exploring Operation: 64-39=25, Resulting Numbers: [38, 25] Generated Node #0,0,1: 72:[38, 25] Operation: 64-39=25 Exploring Operation: 39+38=77, Resulting Numbers: [64, 77] Generated Node #0,0,2: 72:[64, 77] Operation: 39+38=77 Exploring Operation: 39-38=1, Resulting Numbers: [64, 1] Generated Node #0,0,3: 72:[64, 1] Operation: 39-38=1 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 72:[38, 25], Operations: ['88-50=38', '64-39=25'] Exploring Operation: 38*25=950, Resulting Numbers: [950] 950,72 unequal: No Solution Exploring Operation: 38+25=63, Resulting Numbers: [63] 63,72 unequal: No Solution Exploring Operation: 38-25=13, Resulting Numbers: [13] 13,72 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 #0,0,0 Current State: 72:[39, 26], Operations: ['88-50=38', '64-38=26'] Exploring Operation: 39-26=13, Resulting Numbers: [13] 13,72 unequal: No Solution Exploring Operation: 39*26=1014, Resulting Numbers: [1014] 1014,72 unequal: No Solution Exploring Operation: 39+26=65, Resulting Numbers: [65] 65,72 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 72:[64, 1], Operations: ['88-50=38', '39-38=1'] Exploring Operation: 64*1=64, Resulting Numbers: [64] 64,72 unequal: No Solution Exploring Operation: 64+1=65, Resulting Numbers: [65] 65,72 unequal: No Solution Exploring Operation: 64-1=63, Resulting Numbers: [63] 63,72 unequal: No Solution Exploring Operation: 64/1=64, Resulting Numbers: [64] 64,72 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 #0,0,2 Current State: 72:[64, 77], Operations: ['88-50=38', '39+38=77'] Exploring Operation: 64*77=4928, Resulting Numbers: [4928] 4928,72 unequal: No Solution Exploring Operation: 64+77=141, Resulting Numbers: [141] 141,72 unequal: No Solution Exploring Operation: 77-64=13, Resulting Numbers: [13] 13,72 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 #0,1 Current State: 72:[50, 39, 24], Operations: ['88-64=24'] Exploring Operation: 50-39=11, Resulting Numbers: [24, 11] Generated Node #0,1,0: 72:[24, 11] Operation: 50-39=11 Exploring Operation: 50+39=89, Resulting Numbers: [24, 89] Generated Node #0,1,1: 72:[24, 89] Operation: 50+39=89 Exploring Operation: 50-24=26, Resulting Numbers: [39, 26] Generated Node #0,1,2: 72:[39, 26] Operation: 50-24=26 Exploring Operation: 50+24=74, Resulting Numbers: [39, 74] Generated Node #0,1,3: 72:[39, 74] Operation: 50+24=74 Moving to Node #0,1,0 Current State: 72:[24, 11], Operations: ['88-64=24', '50-39=11'] Exploring Operation: 24*11=264, Resulting Numbers: [264] 264,72 unequal: No Solution Exploring Operation: 24-11=13, Resulting Numbers: [13] 13,72 unequal: No Solution Exploring Operation: 24+11=35, Resulting Numbers: [35] 35,72 unequal: No Solution Moving to Node #0,1,3 Current State: 72:[39, 74], Operations: ['88-64=24', '50+24=74'] Exploring Operation: 39+74=113, Resulting Numbers: [113] 113,72 unequal: No Solution Exploring Operation: 39*74=2886, Resulting Numbers: [2886] 2886,72 unequal: No Solution Exploring Operation: 74-39=35, Resulting Numbers: [35] 35,72 unequal: No Solution Moving to Node #0,1,2 Current State: 72:[39, 26], Operations: ['88-64=24', '50-24=26'] Exploring Operation: 39*26=1014, Resulting Numbers: [1014] 1014,72 unequal: No Solution Exploring Operation: 39+26=65, Resulting Numbers: [65] 65,72 unequal: No Solution Exploring Operation: 39-26=13, Resulting Numbers: [13] 13,72 unequal: No Solution Moving to Node #0,1,1 Current State: 72:[24, 89], Operations: ['88-64=24', '50+39=89'] Exploring Operation: 24+89=113, Resulting Numbers: [113] 113,72 unequal: No Solution Exploring Operation: 24*89=2136, Resulting Numbers: [2136] 2136,72 unequal: No Solution Exploring Operation: 89-24=65, Resulting Numbers: [65] 65,72 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:[88, 39, 14], Operations: ['64-50=14'] Exploring Operation: 88-14=74, Resulting Numbers: [39, 74] Generated Node #0,2,0: 72:[39, 74] Operation: 88-14=74 Exploring Operation: 88+14=102, Resulting Numbers: [39, 102] Generated Node #0,2,1: 72:[39, 102] Operation: 88+14=102 Exploring Operation: 88-39=49, Resulting Numbers: [14, 49] Generated Node #0,2,2: 72:[14, 49] Operation: 88-39=49 Exploring Operation: 39-14=25, Resulting Numbers: [88, 25] Generated Node #0,2,3: 72:[88, 25] Operation: 39-14=25 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 72:[39, 74], Operations: ['64-50=14', '88-14=74'] Exploring Operation: 39+74=113, Resulting Numbers: [113] 113,72 unequal: No Solution Exploring Operation: 39*74=2886, Resulting Numbers: [2886] 2886,72 unequal: No Solution Exploring Operation: 74-39=35, Resulting Numbers: [35] 35,72 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 72:[14, 49], Operations: ['64-50=14', '88-39=49'] Exploring Operation: 14+49=63, Resulting Numbers: [63] 63,72 unequal: No Solution Exploring Operation: 49-14=35, Resulting Numbers: [35] 35,72 unequal: No Solution Exploring Operation: 14*49=686, Resulting Numbers: [686] 686,72 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 #0,2,3 Current State: 72:[88, 25], Operations: ['64-50=14', '39-14=25'] Exploring Operation: 88*25=2200, Resulting Numbers: [2200] 2200,72 unequal: No Solution Exploring Operation: 88-25=63, Resulting Numbers: [63] 63,72 unequal: No Solution Exploring Operation: 88+25=113, Resulting Numbers: [113] 113,72 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:[39, 102], Operations: ['64-50=14', '88+14=102'] Exploring Operation: 102-39=63, Resulting Numbers: [63] 63,72 unequal: No Solution Exploring Operation: 39+102=141, Resulting Numbers: [141] 141,72 unequal: No Solution Exploring Operation: 39*102=3978, Resulting Numbers: [3978] 3978,72 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:[88, 64, 11], Operations: ['50-39=11'] Exploring Operation: 88/11=8, Resulting Numbers: [64, 8] Generated Node #0,3,0: 72:[64, 8] Operation: 88/11=8 Exploring Operation: 64+11=75, Resulting Numbers: [88, 75] Generated Node #0,3,1: 72:[88, 75] Operation: 64+11=75 Exploring Operation: 88-11=77, Resulting Numbers: [64, 77] Generated Node #0,3,2: 72:[64, 77] Operation: 88-11=77 Exploring Operation: 88-64=24, Resulting Numbers: [11, 24] Generated Node #0,3,3: 72:[11, 24] Operation: 88-64=24 Moving to Node #0,3,3 Current State: 72:[11, 24], Operations: ['50-39=11', '88-64=24'] Exploring Operation: 24-11=13, Resulting Numbers: [13] 13,72 unequal: No Solution Exploring Operation: 11*24=264, Resulting Numbers: [264] 264,72 unequal: No Solution Exploring Operation: 11+24=35, Resulting Numbers: [35] 35,72 unequal: No Solution Moving to Node #0,3,0 Current State: 72:[64, 8], Operations: ['50-39=11', '88/11=8'] Exploring Operation: 64-8=56, Resulting Numbers: [56] 56,72 unequal: No Solution Exploring Operation: 64*8=512, Resulting Numbers: [512] 512,72 unequal: No Solution Exploring Operation: 64+8=72, Resulting Numbers: [72] 72,72 equal: Goal Reached Moving to Node #0 Current State: 72:[88, 64, 50, 39], Operations: [] Exploring Operation: 50-39=11, Resulting Numbers: [88, 64, 11] Generated Node #0,3: 72:[88, 64, 11] Operation: 50-39=11 Moving to Node #0,3 Current State: 72:[88, 64, 11], Operations: ['50-39=11'] Exploring Operation: 88/11=8, Resulting Numbers: [64, 8] Generated Node #0,3,0: 72:[64, 8] Operation: 88/11=8 Moving to Node #0,3,0 Current State: 72:[64, 8], Operations: ['50-39=11', '88/11=8'] Exploring Operation: 64+8=72, Resulting Numbers: [72] 72,72 equal: Goal Reached Exit Sub Search at level 1
0.94184
hs_4
sum_heuristic
[ 50, 87, 77, 40 ]
46
[ "87-77=10", "40/10=4", "50-4=46" ]
Current State: 46:[50, 87, 77, 40], Operations: [] Exploring Operation: 87-77=10, Resulting Numbers: [50, 40, 10] Generated Node #2: [50, 40, 10] from Operation: 87-77=10 Current State: 46:[50, 40, 10], Operations: ['87-77=10'] Exploring Operation: 40/10=4, Resulting Numbers: [50, 4] Generated Node #3: [50, 4] from Operation: 40/10=4 Current State: 46:[50, 4], Operations: ['87-77=10', '40/10=4'] Exploring Operation: 50-4=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
4
Current State: 46:[50, 87, 77, 40], Operations: [] Exploring Operation: 87-40=47, Resulting Numbers: [50, 77, 47] Generated Node #0,0: 46:[50, 77, 47] Operation: 87-40=47 Exploring Operation: 87-77=10, Resulting Numbers: [50, 40, 10] Generated Node #0,1: 46:[50, 40, 10] Operation: 87-77=10 Moving to Node #0,1 Current State: 46:[50, 40, 10], Operations: ['87-77=10'] Exploring Operation: 40/10=4, Resulting Numbers: [50, 4] Generated Node #0,1,0: 46:[50, 4] Operation: 40/10=4 Exploring Operation: 40+10=50, Resulting Numbers: [50, 50] Generated Node #0,1,1: 46:[50, 50] Operation: 40+10=50 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 46:[50, 4], Operations: ['87-77=10', '40/10=4'] Exploring Operation: 50+4=54, Resulting Numbers: [54] 54,46 unequal: No Solution Exploring Operation: 50-4=46, Resulting Numbers: [46] 46,46 equal: Goal Reached Moving to Node #0 Current State: 46:[50, 87, 77, 40], Operations: [] Exploring Operation: 87-77=10, Resulting Numbers: [50, 40, 10] Generated Node #0,1: 46:[50, 40, 10] Operation: 87-77=10 Moving to Node #0,1 Current State: 46:[50, 40, 10], Operations: ['87-77=10'] Exploring Operation: 40/10=4, Resulting Numbers: [50, 4] Generated Node #0,1,0: 46:[50, 4] Operation: 40/10=4 Moving to Node #0,1,0 Current State: 46:[50, 4], Operations: ['87-77=10', '40/10=4'] Exploring Operation: 50-4=46, Resulting Numbers: [46] 46,46 equal: Goal Reached Exit Sub Search at level 1
0.991319
hs_2
mult_heuristic
[ 52, 49, 23, 77 ]
51
[ "52-49=3", "77-23=54", "54-3=51" ]
Current State: 51:[52, 49, 23, 77], Operations: [] Exploring Operation: 52-49=3, Resulting Numbers: [23, 77, 3] Generated Node #2: [23, 77, 3] from Operation: 52-49=3 Current State: 51:[23, 77, 3], Operations: ['52-49=3'] Exploring Operation: 77-23=54, Resulting Numbers: [3, 54] Generated Node #3: [3, 54] from Operation: 77-23=54 Current State: 51:[3, 54], Operations: ['52-49=3', '77-23=54'] Exploring Operation: 54-3=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[52, 49, 23, 77], Operations: [] Exploring Operation: 77-49=28, Resulting Numbers: [52, 23, 28] Generated Node #0,0: 51:[52, 23, 28] Operation: 77-49=28 Exploring Operation: 77-23=54, Resulting Numbers: [52, 49, 54] Generated Node #0,1: 51:[52, 49, 54] Operation: 77-23=54 Exploring Operation: 77-52=25, Resulting Numbers: [49, 23, 25] Generated Node #0,2: 51:[49, 23, 25] Operation: 77-52=25 Start Sub Search at level 1: Moving to Node #0,1 Current State: 51:[52, 49, 54], Operations: ['77-23=54'] Exploring Operation: 54-52=2, Resulting Numbers: [49, 2] Generated Node #0,1,0: 51:[49, 2] Operation: 54-52=2 Exploring Operation: 54-49=5, Resulting Numbers: [52, 5] Generated Node #0,1,1: 51:[52, 5] Operation: 54-49=5 Exploring Operation: 52-49=3, Resulting Numbers: [54, 3] Generated Node #0,1,2: 51:[54, 3] Operation: 52-49=3 Moving to Node #0,1,0 Current State: 51:[49, 2], Operations: ['77-23=54', '54-52=2'] Exploring Operation: 49-2=47, Resulting Numbers: [47] 47,51 unequal: No Solution Exploring Operation: 49*2=98, Resulting Numbers: [98] 98,51 unequal: No Solution Exploring Operation: 49+2=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Moving to Node #0 Current State: 51:[52, 49, 23, 77], Operations: [] Exploring Operation: 77-23=54, Resulting Numbers: [52, 49, 54] Generated Node #0,1: 51:[52, 49, 54] Operation: 77-23=54 Moving to Node #0,1 Current State: 51:[52, 49, 54], Operations: ['77-23=54'] Exploring Operation: 54-52=2, Resulting Numbers: [49, 2] Generated Node #0,1,0: 51:[49, 2] Operation: 54-52=2 Moving to Node #0,1,0 Current State: 51:[49, 2], Operations: ['77-23=54', '54-52=2'] Exploring Operation: 49+2=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_3
mult_heuristic
[ 62, 29, 52, 33 ]
75
[ "33-29=4", "52/4=13", "62+13=75" ]
Current State: 75:[62, 29, 52, 33], Operations: [] Exploring Operation: 33-29=4, Resulting Numbers: [62, 52, 4] Generated Node #2: [62, 52, 4] from Operation: 33-29=4 Current State: 75:[62, 52, 4], Operations: ['33-29=4'] Exploring Operation: 52/4=13, Resulting Numbers: [62, 13] Generated Node #3: [62, 13] from Operation: 52/4=13 Current State: 75:[62, 13], Operations: ['33-29=4', '52/4=13'] Exploring Operation: 62+13=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
4
Current State: 75:[62, 29, 52, 33], Operations: [] Exploring Operation: 29+52=81, Resulting Numbers: [62, 33, 81] Generated Node #0,0: 75:[62, 33, 81] Operation: 29+52=81 Exploring Operation: 62-52=10, Resulting Numbers: [29, 33, 10] Generated Node #0,1: 75:[29, 33, 10] Operation: 62-52=10 Exploring Operation: 52-33=19, Resulting Numbers: [62, 29, 19] Generated Node #0,2: 75:[62, 29, 19] Operation: 52-33=19 Exploring Operation: 52-29=23, Resulting Numbers: [62, 33, 23] Generated Node #0,3: 75:[62, 33, 23] Operation: 52-29=23 Start Sub Search at level 1: Moving to Node #0,1 Current State: 75:[29, 33, 10], Operations: ['62-52=10'] Exploring Operation: 29-10=19, Resulting Numbers: [33, 19] Generated Node #0,1,0: 75:[33, 19] Operation: 29-10=19 Exploring Operation: 33-10=23, Resulting Numbers: [29, 23] Generated Node #0,1,1: 75:[29, 23] Operation: 33-10=23 Exploring Operation: 29+33=62, Resulting Numbers: [10, 62] Generated Node #0,1,2: 75:[10, 62] Operation: 29+33=62 Exploring Operation: 33-29=4, Resulting Numbers: [10, 4] Generated Node #0,1,3: 75:[10, 4] Operation: 33-29=4 Moving to Node #0,1,1 Current State: 75:[29, 23], Operations: ['62-52=10', '33-10=23'] Exploring Operation: 29*23=667, Resulting Numbers: [667] 667,75 unequal: No Solution Exploring Operation: 29-23=6, Resulting Numbers: [6] 6,75 unequal: No Solution Exploring Operation: 29+23=52, Resulting Numbers: [52] 52,75 unequal: No Solution Moving to Node #0,1,3 Current State: 75:[10, 4], Operations: ['62-52=10', '33-29=4'] Exploring Operation: 10-4=6, Resulting Numbers: [6] 6,75 unequal: No Solution Exploring Operation: 10*4=40, Resulting Numbers: [40] 40,75 unequal: No Solution Exploring Operation: 10+4=14, Resulting Numbers: [14] 14,75 unequal: No Solution Moving to Node #0,1,0 Current State: 75:[33, 19], Operations: ['62-52=10', '29-10=19'] Exploring Operation: 33*19=627, Resulting Numbers: [627] 627,75 unequal: No Solution Exploring Operation: 33+19=52, Resulting Numbers: [52] 52,75 unequal: No Solution Exploring Operation: 33-19=14, Resulting Numbers: [14] 14,75 unequal: No Solution Moving to Node #0,1,2 Current State: 75:[10, 62], Operations: ['62-52=10', '29+33=62'] Exploring Operation: 10*62=620, Resulting Numbers: [620] 620,75 unequal: No Solution Exploring Operation: 62-10=52, Resulting Numbers: [52] 52,75 unequal: No Solution Exploring Operation: 10+62=72, Resulting Numbers: [72] 72,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 75:[62, 29, 19], Operations: ['52-33=19'] Exploring Operation: 29-19=10, Resulting Numbers: [62, 10] Generated Node #0,2,0: 75:[62, 10] Operation: 29-19=10 Exploring Operation: 62-29=33, Resulting Numbers: [19, 33] Generated Node #0,2,1: 75:[19, 33] Operation: 62-29=33 Exploring Operation: 62+19=81, Resulting Numbers: [29, 81] Generated Node #0,2,2: 75:[29, 81] Operation: 62+19=81 Exploring Operation: 62+29=91, Resulting Numbers: [19, 91] Generated Node #0,2,3: 75:[19, 91] Operation: 62+29=91 Moving to Node #0,2,2 Current State: 75:[29, 81], Operations: ['52-33=19', '62+19=81'] Exploring Operation: 81-29=52, Resulting Numbers: [52] 52,75 unequal: No Solution Exploring Operation: 29*81=2349, Resulting Numbers: [2349] 2349,75 unequal: No Solution Exploring Operation: 29+81=110, Resulting Numbers: [110] 110,75 unequal: No Solution Moving to Node #0,2,1 Current State: 75:[19, 33], Operations: ['52-33=19', '62-29=33'] Exploring Operation: 19*33=627, Resulting Numbers: [627] 627,75 unequal: No Solution Exploring Operation: 19+33=52, Resulting Numbers: [52] 52,75 unequal: No Solution Exploring Operation: 33-19=14, Resulting Numbers: [14] 14,75 unequal: No Solution Moving to Node #0,2,0 Current State: 75:[62, 10], Operations: ['52-33=19', '29-19=10'] Exploring Operation: 62-10=52, Resulting Numbers: [52] 52,75 unequal: No Solution Exploring Operation: 62*10=620, Resulting Numbers: [620] 620,75 unequal: No Solution Exploring Operation: 62+10=72, Resulting Numbers: [72] 72,75 unequal: No Solution Moving to Node #0,2,3 Current State: 75:[19, 91], Operations: ['52-33=19', '62+29=91'] Exploring Operation: 91-19=72, Resulting Numbers: [72] 72,75 unequal: No Solution Exploring Operation: 19+91=110, Resulting Numbers: [110] 110,75 unequal: No Solution Exploring Operation: 19*91=1729, Resulting Numbers: [1729] 1729,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 75:[62, 33, 23], Operations: ['52-29=23'] Exploring Operation: 33-23=10, Resulting Numbers: [62, 10] Generated Node #0,3,0: 75:[62, 10] Operation: 33-23=10 Exploring Operation: 62+33=95, Resulting Numbers: [23, 95] Generated Node #0,3,1: 75:[23, 95] Operation: 62+33=95 Exploring Operation: 62+23=85, Resulting Numbers: [33, 85] Generated Node #0,3,2: 75:[33, 85] Operation: 62+23=85 Exploring Operation: 62-33=29, Resulting Numbers: [23, 29] Generated Node #0,3,3: 75:[23, 29] Operation: 62-33=29 Moving to Node #0,3,3 Current State: 75:[23, 29], Operations: ['52-29=23', '62-33=29'] Exploring Operation: 23+29=52, Resulting Numbers: [52] 52,75 unequal: No Solution Exploring Operation: 23*29=667, Resulting Numbers: [667] 667,75 unequal: No Solution Exploring Operation: 29-23=6, Resulting Numbers: [6] 6,75 unequal: No Solution Moving to Node #0,3,2 Current State: 75:[33, 85], Operations: ['52-29=23', '62+23=85'] Exploring Operation: 33+85=118, Resulting Numbers: [118] 118,75 unequal: No Solution Exploring Operation: 33*85=2805, Resulting Numbers: [2805] 2805,75 unequal: No Solution Exploring Operation: 85-33=52, Resulting Numbers: [52] 52,75 unequal: No Solution Moving to Node #0,3,0 Current State: 75:[62, 10], Operations: ['52-29=23', '33-23=10'] Exploring Operation: 62+10=72, Resulting Numbers: [72] 72,75 unequal: No Solution Exploring Operation: 62-10=52, Resulting Numbers: [52] 52,75 unequal: No Solution Exploring Operation: 62*10=620, Resulting Numbers: [620] 620,75 unequal: No Solution Moving to Node #0,3,1 Current State: 75:[23, 95], Operations: ['52-29=23', '62+33=95'] Exploring Operation: 23+95=118, Resulting Numbers: [118] 118,75 unequal: No Solution Exploring Operation: 23*95=2185, Resulting Numbers: [2185] 2185,75 unequal: No Solution Exploring Operation: 95-23=72, Resulting Numbers: [72] 72,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 75:[62, 33, 81], Operations: ['29+52=81'] Exploring Operation: 81-62=19, Resulting Numbers: [33, 19] Generated Node #0,0,0: 75:[33, 19] Operation: 81-62=19 Exploring Operation: 81-33=48, Resulting Numbers: [62, 48] Generated Node #0,0,1: 75:[62, 48] Operation: 81-33=48 Exploring Operation: 62+33=95, Resulting Numbers: [81, 95] Generated Node #0,0,2: 75:[81, 95] Operation: 62+33=95 Exploring Operation: 62-33=29, Resulting Numbers: [81, 29] Generated Node #0,0,3: 75:[81, 29] Operation: 62-33=29 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 75:[81, 29], Operations: ['29+52=81', '62-33=29'] Exploring Operation: 81*29=2349, Resulting Numbers: [2349] 2349,75 unequal: No Solution Exploring Operation: 81-29=52, Resulting Numbers: [52] 52,75 unequal: No Solution Exploring Operation: 81+29=110, Resulting Numbers: [110] 110,75 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:[33, 19], Operations: ['29+52=81', '81-62=19'] Exploring Operation: 33*19=627, Resulting Numbers: [627] 627,75 unequal: No Solution Exploring Operation: 33+19=52, Resulting Numbers: [52] 52,75 unequal: No Solution Exploring Operation: 33-19=14, Resulting Numbers: [14] 14,75 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 #0,0,2 Current State: 75:[81, 95], Operations: ['29+52=81', '62+33=95'] Exploring Operation: 81+95=176, Resulting Numbers: [176] 176,75 unequal: No Solution Exploring Operation: 81*95=7695, Resulting Numbers: [7695] 7695,75 unequal: No Solution Exploring Operation: 95-81=14, Resulting Numbers: [14] 14,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 75:[62, 48], Operations: ['29+52=81', '81-33=48'] Exploring Operation: 62*48=2976, Resulting Numbers: [2976] 2976,75 unequal: No Solution Exploring Operation: 62-48=14, Resulting Numbers: [14] 14,75 unequal: No Solution Exploring Operation: 62+48=110, Resulting Numbers: [110] 110,75 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_4
sum_heuristic
[ 7, 62, 68, 72 ]
90
[ "72-68=4", "7*4=28", "62+28=90" ]
Current State: 90:[7, 62, 68, 72], Operations: [] Exploring Operation: 72-68=4, Resulting Numbers: [7, 62, 4] Generated Node #2: [7, 62, 4] from Operation: 72-68=4 Current State: 90:[7, 62, 4], Operations: ['72-68=4'] Exploring Operation: 7*4=28, Resulting Numbers: [62, 28] Generated Node #3: [62, 28] from Operation: 7*4=28 Current State: 90:[62, 28], Operations: ['72-68=4', '7*4=28'] Exploring Operation: 62+28=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
4
Current State: 90:[7, 62, 68, 72], Operations: [] Exploring Operation: 72-62=10, Resulting Numbers: [7, 68, 10] Generated Node #0,0: 90:[7, 68, 10] Operation: 72-62=10 Exploring Operation: 72-68=4, Resulting Numbers: [7, 62, 4] Generated Node #0,1: 90:[7, 62, 4] Operation: 72-68=4 Exploring Operation: 68-62=6, Resulting Numbers: [7, 72, 6] Generated Node #0,2: 90:[7, 72, 6] Operation: 68-62=6 Exploring Operation: 62-7=55, Resulting Numbers: [68, 72, 55] Generated Node #0,3: 90:[68, 72, 55] Operation: 62-7=55 Start Sub Search at level 1: Moving to Node #0,1 Current State: 90:[7, 62, 4], Operations: ['72-68=4'] Exploring Operation: 7+4=11, Resulting Numbers: [62, 11] Generated Node #0,1,0: 90:[62, 11] Operation: 7+4=11 Exploring Operation: 62-4=58, Resulting Numbers: [7, 58] Generated Node #0,1,1: 90:[7, 58] Operation: 62-4=58 Exploring Operation: 62-7=55, Resulting Numbers: [4, 55] Generated Node #0,1,2: 90:[4, 55] Operation: 62-7=55 Exploring Operation: 7-4=3, Resulting Numbers: [62, 3] Generated Node #0,1,3: 90:[62, 3] Operation: 7-4=3 Moving to Node #0,1,2 Current State: 90:[4, 55], Operations: ['72-68=4', '62-7=55'] Exploring Operation: 4*55=220, Resulting Numbers: [220] 220,90 unequal: No Solution Exploring Operation: 4+55=59, Resulting Numbers: [59] 59,90 unequal: No Solution Exploring Operation: 55-4=51, Resulting Numbers: [51] 51,90 unequal: No Solution Moving to Node #0,1,1 Current State: 90:[7, 58], Operations: ['72-68=4', '62-4=58'] Exploring Operation: 7*58=406, Resulting Numbers: [406] 406,90 unequal: No Solution Exploring Operation: 58-7=51, Resulting Numbers: [51] 51,90 unequal: No Solution Exploring Operation: 7+58=65, Resulting Numbers: [65] 65,90 unequal: No Solution Moving to Node #0,1,3 Current State: 90:[62, 3], Operations: ['72-68=4', '7-4=3'] Exploring Operation: 62-3=59, Resulting Numbers: [59] 59,90 unequal: No Solution Exploring Operation: 62+3=65, Resulting Numbers: [65] 65,90 unequal: No Solution Exploring Operation: 62*3=186, Resulting Numbers: [186] 186,90 unequal: No Solution Moving to Node #0,1,0 Current State: 90:[62, 11], Operations: ['72-68=4', '7+4=11'] Exploring Operation: 62+11=73, Resulting Numbers: [73] 73,90 unequal: No Solution Exploring Operation: 62-11=51, Resulting Numbers: [51] 51,90 unequal: No Solution Exploring Operation: 62*11=682, Resulting Numbers: [682] 682,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 90:[7, 72, 6], Operations: ['68-62=6'] Exploring Operation: 7-6=1, Resulting Numbers: [72, 1] Generated Node #0,2,0: 90:[72, 1] Operation: 7-6=1 Exploring Operation: 72+6=78, Resulting Numbers: [7, 78] Generated Node #0,2,1: 90:[7, 78] Operation: 72+6=78 Exploring Operation: 72/6=12, Resulting Numbers: [7, 12] Generated Node #0,2,2: 90:[7, 12] Operation: 72/6=12 Exploring Operation: 7+72=79, Resulting Numbers: [6, 79] Generated Node #0,2,3: 90:[6, 79] Operation: 7+72=79 Moving to Node #0,2,2 Current State: 90:[7, 12], Operations: ['68-62=6', '72/6=12'] Exploring Operation: 7+12=19, Resulting Numbers: [19] 19,90 unequal: No Solution Exploring Operation: 7*12=84, Resulting Numbers: [84] 84,90 unequal: No Solution Exploring Operation: 12-7=5, Resulting Numbers: [5] 5,90 unequal: No Solution Moving to Node #0,2,3 Current State: 90:[6, 79], Operations: ['68-62=6', '7+72=79'] Exploring Operation: 6+79=85, Resulting Numbers: [85] 85,90 unequal: No Solution Exploring Operation: 6*79=474, Resulting Numbers: [474] 474,90 unequal: No Solution Exploring Operation: 79-6=73, Resulting Numbers: [73] 73,90 unequal: No Solution Moving to Node #0,2,1 Current State: 90:[7, 78], Operations: ['68-62=6', '72+6=78'] Exploring Operation: 7*78=546, Resulting Numbers: [546] 546,90 unequal: No Solution Exploring Operation: 78-7=71, Resulting Numbers: [71] 71,90 unequal: No Solution Exploring Operation: 7+78=85, Resulting Numbers: [85] 85,90 unequal: No Solution Moving to Node #0,2,0 Current State: 90:[72, 1], Operations: ['68-62=6', '7-6=1'] Exploring Operation: 72+1=73, Resulting Numbers: [73] 73,90 unequal: No Solution Exploring Operation: 72-1=71, Resulting Numbers: [71] 71,90 unequal: No Solution Exploring Operation: 72/1=72, Resulting Numbers: [72] 72,90 unequal: No Solution Exploring Operation: 72*1=72, Resulting Numbers: [72] 72,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 90:[7, 68, 10], Operations: ['72-62=10'] Exploring Operation: 68-10=58, Resulting Numbers: [7, 58] Generated Node #0,0,0: 90:[7, 58] Operation: 68-10=58 Exploring Operation: 7+68=75, Resulting Numbers: [10, 75] Generated Node #0,0,1: 90:[10, 75] Operation: 7+68=75 Exploring Operation: 68+10=78, Resulting Numbers: [7, 78] Generated Node #0,0,2: 90:[7, 78] Operation: 68+10=78 Exploring Operation: 68-7=61, Resulting Numbers: [10, 61] Generated Node #0,0,3: 90:[10, 61] Operation: 68-7=61 Moving to Node #0,0,2 Current State: 90:[7, 78], Operations: ['72-62=10', '68+10=78'] Exploring Operation: 7*78=546, Resulting Numbers: [546] 546,90 unequal: No Solution Exploring Operation: 7+78=85, Resulting Numbers: [85] 85,90 unequal: No Solution Exploring Operation: 78-7=71, Resulting Numbers: [71] 71,90 unequal: No Solution Moving to Node #0,0,0 Current State: 90:[7, 58], Operations: ['72-62=10', '68-10=58'] Exploring Operation: 7*58=406, Resulting Numbers: [406] 406,90 unequal: No Solution Exploring Operation: 7+58=65, Resulting Numbers: [65] 65,90 unequal: No Solution Exploring Operation: 58-7=51, Resulting Numbers: [51] 51,90 unequal: No Solution Moving to Node #0,0,1 Current State: 90:[10, 75], Operations: ['72-62=10', '7+68=75'] Exploring Operation: 10+75=85, Resulting Numbers: [85] 85,90 unequal: No Solution Exploring Operation: 10*75=750, Resulting Numbers: [750] 750,90 unequal: No Solution Exploring Operation: 75-10=65, Resulting Numbers: [65] 65,90 unequal: No Solution Moving to Node #0,0,3 Current State: 90:[10, 61], Operations: ['72-62=10', '68-7=61'] Exploring Operation: 10+61=71, Resulting Numbers: [71] 71,90 unequal: No Solution Exploring Operation: 61-10=51, Resulting Numbers: [51] 51,90 unequal: No Solution Exploring Operation: 10*61=610, Resulting Numbers: [610] 610,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 90:[68, 72, 55], Operations: ['62-7=55'] Exploring Operation: 72-55=17, Resulting Numbers: [68, 17] Generated Node #0,3,0: 90:[68, 17] Operation: 72-55=17 Exploring Operation: 72-68=4, Resulting Numbers: [55, 4] Generated Node #0,3,1: 90:[55, 4] Operation: 72-68=4 Exploring Operation: 68-55=13, Resulting Numbers: [72, 13] Generated Node #0,3,2: 90:[72, 13] Operation: 68-55=13 Exploring Operation: 68+55=123, Resulting Numbers: [72, 123] Generated Node #0,3,3: 90:[72, 123] Operation: 68+55=123 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 90:[55, 4], Operations: ['62-7=55', '72-68=4'] Exploring Operation: 55*4=220, Resulting Numbers: [220] 220,90 unequal: No Solution Exploring Operation: 55+4=59, Resulting Numbers: [59] 59,90 unequal: No Solution Exploring Operation: 55-4=51, Resulting Numbers: [51] 51,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 90:[72, 13], Operations: ['62-7=55', '68-55=13'] Exploring Operation: 72+13=85, Resulting Numbers: [85] 85,90 unequal: No Solution Exploring Operation: 72-13=59, Resulting Numbers: [59] 59,90 unequal: No Solution Exploring Operation: 72*13=936, Resulting Numbers: [936] 936,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 90:[68, 17], Operations: ['62-7=55', '72-55=17'] Exploring Operation: 68/17=4, Resulting Numbers: [4] 4,90 unequal: No Solution Exploring Operation: 68*17=1156, Resulting Numbers: [1156] 1156,90 unequal: No Solution Exploring Operation: 68-17=51, Resulting Numbers: [51] 51,90 unequal: No Solution Exploring Operation: 68+17=85, Resulting Numbers: [85] 85,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 90:[72, 123], Operations: ['62-7=55', '68+55=123'] Exploring Operation: 123-72=51, Resulting Numbers: [51] 51,90 unequal: No Solution Exploring Operation: 72+123=195, Resulting Numbers: [195] 195,90 unequal: No Solution Exploring Operation: 72*123=8856, Resulting Numbers: [8856] 8856,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
mult_heuristic
[ 87, 19, 57, 48 ]
16
[ "87+57=144", "144/48=3", "19-3=16" ]
Current State: 16:[87, 19, 57, 48], Operations: [] Exploring Operation: 87+57=144, Resulting Numbers: [19, 48, 144] Generated Node #2: [19, 48, 144] from Operation: 87+57=144 Current State: 16:[19, 48, 144], Operations: ['87+57=144'] Exploring Operation: 144/48=3, Resulting Numbers: [19, 3] Generated Node #3: [19, 3] from Operation: 144/48=3 Current State: 16:[19, 3], Operations: ['87+57=144', '144/48=3'] Exploring Operation: 19-3=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[87, 19, 57, 48], Operations: [] Exploring Operation: 87-57=30, Resulting Numbers: [19, 48, 30] Generated Node #0,0: 16:[19, 48, 30] Operation: 87-57=30 Exploring Operation: 87-48=39, Resulting Numbers: [19, 57, 39] Generated Node #0,1: 16:[19, 57, 39] Operation: 87-48=39 Moving to Node #0,0 Current State: 16:[19, 48, 30], Operations: ['87-57=30'] Exploring Operation: 48-30=18, Resulting Numbers: [19, 18] Generated Node #0,0,0: 16:[19, 18] Operation: 48-30=18 Exploring Operation: 48-19=29, Resulting Numbers: [30, 29] Generated Node #0,0,1: 16:[30, 29] Operation: 48-19=29 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 16:[19, 18], Operations: ['87-57=30', '48-30=18'] Exploring Operation: 19+18=37, Resulting Numbers: [37] 37,16 unequal: No Solution Exploring Operation: 19-18=1, Resulting Numbers: [1] 1,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 16:[30, 29], Operations: ['87-57=30', '48-19=29'] Exploring Operation: 30-29=1, Resulting Numbers: [1] 1,16 unequal: No Solution Exploring Operation: 30+29=59, Resulting Numbers: [59] 59,16 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: 16:[19, 57, 39], Operations: ['87-48=39'] Exploring Operation: 57-39=18, Resulting Numbers: [19, 18] Generated Node #0,1,0: 16:[19, 18] Operation: 57-39=18 Exploring Operation: 57/19=3, Resulting Numbers: [39, 3] Generated Node #0,1,1: 16:[39, 3] Operation: 57/19=3 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 16:[19, 18], Operations: ['87-48=39', '57-39=18'] Exploring Operation: 19-18=1, Resulting Numbers: [1] 1,16 unequal: No Solution Exploring Operation: 19+18=37, Resulting Numbers: [37] 37,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 16:[39, 3], Operations: ['87-48=39', '57/19=3'] Exploring Operation: 39-3=36, Resulting Numbers: [36] 36,16 unequal: No Solution Exploring Operation: 39/3=13, Resulting Numbers: [13] 13,16 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
[ 54, 66, 3, 65 ]
50
[ "66-54=12", "65-3=62", "62-12=50" ]
Current State: 50:[54, 66, 3, 65], Operations: [] Exploring Operation: 66-54=12, Resulting Numbers: [3, 65, 12] Generated Node #2: [3, 65, 12] from Operation: 66-54=12 Current State: 50:[3, 65, 12], Operations: ['66-54=12'] Exploring Operation: 65-3=62, Resulting Numbers: [12, 62] Generated Node #3: [12, 62] from Operation: 65-3=62 Current State: 50:[12, 62], Operations: ['66-54=12', '65-3=62'] Exploring Operation: 62-12=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[54, 66, 3, 65], Operations: [] Exploring Operation: 66-65=1, Resulting Numbers: [54, 3, 1] Generated Node #0,0: 50:[54, 3, 1] Operation: 66-65=1 Exploring Operation: 66/3=22, Resulting Numbers: [54, 65, 22] Generated Node #0,1: 50:[54, 65, 22] Operation: 66/3=22 Exploring Operation: 65-54=11, Resulting Numbers: [66, 3, 11] Generated Node #0,2: 50:[66, 3, 11] Operation: 65-54=11 Exploring Operation: 66-54=12, Resulting Numbers: [3, 65, 12] Generated Node #0,3: 50:[3, 65, 12] Operation: 66-54=12 Start Sub Search at level 1: Moving to Node #0,0 Current State: 50:[54, 3, 1], Operations: ['66-65=1'] Exploring Operation: 3-1=2, Resulting Numbers: [54, 2] Generated Node #0,0,0: 50:[54, 2] Operation: 3-1=2 Exploring Operation: 54-3=51, Resulting Numbers: [1, 51] Generated Node #0,0,1: 50:[1, 51] Operation: 54-3=51 Exploring Operation: 54*1=54, Resulting Numbers: [3, 54] Generated Node #0,0,2: 50:[3, 54] Operation: 54*1=54 Exploring Operation: 54-1=53, Resulting Numbers: [3, 53] Generated Node #0,0,3: 50:[3, 53] Operation: 54-1=53 Moving to Node #0,0,1 Current State: 50:[1, 51], Operations: ['66-65=1', '54-3=51'] Exploring Operation: 1*51=51, Resulting Numbers: [51] 51,50 unequal: No Solution Exploring Operation: 1+51=52, Resulting Numbers: [52] 52,50 unequal: No Solution Exploring Operation: 51/1=51, Resulting Numbers: [51] 51,50 unequal: No Solution Exploring Operation: 51-1=50, Resulting Numbers: [50] 50,50 equal: Goal Reached Moving to Node #0 Current State: 50:[54, 66, 3, 65], Operations: [] Exploring Operation: 66-65=1, Resulting Numbers: [54, 3, 1] Generated Node #0,0: 50:[54, 3, 1] Operation: 66-65=1 Moving to Node #0,0 Current State: 50:[54, 3, 1], Operations: ['66-65=1'] Exploring Operation: 54-3=51, Resulting Numbers: [1, 51] Generated Node #0,0,1: 50:[1, 51] Operation: 54-3=51 Moving to Node #0,0,1 Current State: 50:[1, 51], Operations: ['66-65=1', '54-3=51'] Exploring Operation: 51-1=50, Resulting Numbers: [50] 50,50 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_4
sum_heuristic
[ 37, 84, 33, 76 ]
78
[ "37+84=121", "76-33=43", "121-43=78" ]
Current State: 78:[37, 84, 33, 76], Operations: [] Exploring Operation: 37+84=121, Resulting Numbers: [33, 76, 121] Generated Node #2: [33, 76, 121] from Operation: 37+84=121 Current State: 78:[33, 76, 121], Operations: ['37+84=121'] Exploring Operation: 76-33=43, Resulting Numbers: [121, 43] Generated Node #3: [121, 43] from Operation: 76-33=43 Current State: 78:[121, 43], Operations: ['37+84=121', '76-33=43'] Exploring Operation: 121-43=78, Resulting Numbers: [78] 78,78 equal: Goal Reached
4
Current State: 78:[37, 84, 33, 76], Operations: [] Exploring Operation: 37-33=4, Resulting Numbers: [84, 76, 4] Generated Node #0,0: 78:[84, 76, 4] Operation: 37-33=4 Exploring Operation: 76-37=39, Resulting Numbers: [84, 33, 39] Generated Node #0,1: 78:[84, 33, 39] Operation: 76-37=39 Exploring Operation: 84-76=8, Resulting Numbers: [37, 33, 8] Generated Node #0,2: 78:[37, 33, 8] Operation: 84-76=8 Start Sub Search at level 1: Moving to Node #0,0 Current State: 78:[84, 76, 4], Operations: ['37-33=4'] Exploring Operation: 84-76=8, Resulting Numbers: [4, 8] Generated Node #0,0,0: 78:[4, 8] Operation: 84-76=8 Exploring Operation: 84/4=21, Resulting Numbers: [76, 21] Generated Node #0,0,1: 78:[76, 21] Operation: 84/4=21 Exploring Operation: 84-4=80, Resulting Numbers: [76, 80] Generated Node #0,0,2: 78:[76, 80] Operation: 84-4=80 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 78:[4, 8], Operations: ['37-33=4', '84-76=8'] Exploring Operation: 8-4=4, Resulting Numbers: [4] 4,78 unequal: No Solution Exploring Operation: 4+8=12, Resulting Numbers: [12] 12,78 unequal: No Solution Exploring Operation: 8/4=2, Resulting Numbers: [2] 2,78 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:[76, 80], Operations: ['37-33=4', '84-4=80'] Exploring Operation: 76+80=156, Resulting Numbers: [156] 156,78 unequal: No Solution Exploring Operation: 76*80=6080, Resulting Numbers: [6080] 6080,78 unequal: No Solution Exploring Operation: 80-76=4, Resulting Numbers: [4] 4,78 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 #0,0,1 Current State: 78:[76, 21], Operations: ['37-33=4', '84/4=21'] Exploring Operation: 76-21=55, Resulting Numbers: [55] 55,78 unequal: No Solution Exploring Operation: 76+21=97, Resulting Numbers: [97] 97,78 unequal: No Solution Exploring Operation: 76*21=1596, Resulting Numbers: [1596] 1596,78 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: 78:[37, 33, 8], Operations: ['84-76=8'] Exploring Operation: 33+8=41, Resulting Numbers: [37, 41] Generated Node #0,2,0: 78:[37, 41] Operation: 33+8=41 Exploring Operation: 33-8=25, Resulting Numbers: [37, 25] Generated Node #0,2,1: 78:[37, 25] Operation: 33-8=25 Exploring Operation: 37-33=4, Resulting Numbers: [8, 4] Generated Node #0,2,2: 78:[8, 4] Operation: 37-33=4 Moving to Node #0,2,1 Current State: 78:[37, 25], Operations: ['84-76=8', '33-8=25'] Exploring Operation: 37*25=925, Resulting Numbers: [925] 925,78 unequal: No Solution Exploring Operation: 37-25=12, Resulting Numbers: [12] 12,78 unequal: No Solution Exploring Operation: 37+25=62, Resulting Numbers: [62] 62,78 unequal: No Solution Moving to Node #0,2,2 Current State: 78:[8, 4], Operations: ['84-76=8', '37-33=4'] Exploring Operation: 8-4=4, Resulting Numbers: [4] 4,78 unequal: No Solution Exploring Operation: 8/4=2, Resulting Numbers: [2] 2,78 unequal: No Solution Exploring Operation: 8+4=12, Resulting Numbers: [12] 12,78 unequal: No Solution Moving to Node #0,2,0 Current State: 78:[37, 41], Operations: ['84-76=8', '33+8=41'] Exploring Operation: 41-37=4, Resulting Numbers: [4] 4,78 unequal: No Solution Exploring Operation: 37+41=78, Resulting Numbers: [78] 78,78 equal: Goal Reached Moving to Node #0 Current State: 78:[37, 84, 33, 76], Operations: [] Exploring Operation: 84-76=8, Resulting Numbers: [37, 33, 8] Generated Node #0,2: 78:[37, 33, 8] Operation: 84-76=8 Moving to Node #0,2 Current State: 78:[37, 33, 8], Operations: ['84-76=8'] Exploring Operation: 33+8=41, Resulting Numbers: [37, 41] Generated Node #0,2,0: 78:[37, 41] Operation: 33+8=41 Moving to Node #0,2,0 Current State: 78:[37, 41], Operations: ['84-76=8', '33+8=41'] Exploring Operation: 37+41=78, Resulting Numbers: [78] 78,78 equal: Goal Reached Exit Sub Search at level 1
0.973958
hs_3
mult_heuristic
[ 67, 35, 65, 89 ]
27
[ "67-65=2", "89-35=54", "54/2=27" ]
Current State: 27:[67, 35, 65, 89], Operations: [] Exploring Operation: 67-65=2, Resulting Numbers: [35, 89, 2] Generated Node #2: [35, 89, 2] from Operation: 67-65=2 Current State: 27:[35, 89, 2], Operations: ['67-65=2'] Exploring Operation: 89-35=54, Resulting Numbers: [2, 54] Generated Node #3: [2, 54] from Operation: 89-35=54 Current State: 27:[2, 54], Operations: ['67-65=2', '89-35=54'] Exploring Operation: 54/2=27, Resulting Numbers: [27] 27,27 equal: Goal Reached
4
Current State: 27:[67, 35, 65, 89], Operations: [] Exploring Operation: 67-35=32, Resulting Numbers: [65, 89, 32] Generated Node #0,0: 27:[65, 89, 32] Operation: 67-35=32 Exploring Operation: 89-65=24, Resulting Numbers: [67, 35, 24] Generated Node #0,1: 27:[67, 35, 24] Operation: 89-65=24 Exploring Operation: 67-65=2, Resulting Numbers: [35, 89, 2] Generated Node #0,2: 27:[35, 89, 2] Operation: 67-65=2 Exploring Operation: 89-67=22, Resulting Numbers: [35, 65, 22] Generated Node #0,3: 27:[35, 65, 22] Operation: 89-67=22 Moving to Node #0,1 Current State: 27:[67, 35, 24], Operations: ['89-65=24'] Exploring Operation: 67+24=91, Resulting Numbers: [35, 91] Generated Node #0,1,0: 27:[35, 91] Operation: 67+24=91 Exploring Operation: 67-24=43, Resulting Numbers: [35, 43] Generated Node #0,1,1: 27:[35, 43] Operation: 67-24=43 Exploring Operation: 35-24=11, Resulting Numbers: [67, 11] Generated Node #0,1,2: 27:[67, 11] Operation: 35-24=11 Exploring Operation: 67-35=32, Resulting Numbers: [24, 32] Generated Node #0,1,3: 27:[24, 32] Operation: 67-35=32 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 27:[24, 32], Operations: ['89-65=24', '67-35=32'] Exploring Operation: 24*32=768, Resulting Numbers: [768] 768,27 unequal: No Solution Exploring Operation: 24+32=56, Resulting Numbers: [56] 56,27 unequal: No Solution Exploring Operation: 32-24=8, Resulting Numbers: [8] 8,27 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 27:[35, 43], Operations: ['89-65=24', '67-24=43'] Exploring Operation: 35*43=1505, Resulting Numbers: [1505] 1505,27 unequal: No Solution Exploring Operation: 43-35=8, Resulting Numbers: [8] 8,27 unequal: No Solution Exploring Operation: 35+43=78, Resulting Numbers: [78] 78,27 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 27:[67, 11], Operations: ['89-65=24', '35-24=11'] Exploring Operation: 67*11=737, Resulting Numbers: [737] 737,27 unequal: No Solution Exploring Operation: 67+11=78, Resulting Numbers: [78] 78,27 unequal: No Solution Exploring Operation: 67-11=56, Resulting Numbers: [56] 56,27 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 27:[35, 91], Operations: ['89-65=24', '67+24=91'] Exploring Operation: 91-35=56, Resulting Numbers: [56] 56,27 unequal: No Solution Exploring Operation: 35+91=126, Resulting Numbers: [126] 126,27 unequal: No Solution Exploring Operation: 35*91=3185, Resulting Numbers: [3185] 3185,27 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3 Current State: 27:[35, 65, 22], Operations: ['89-67=22'] Exploring Operation: 65-22=43, Resulting Numbers: [35, 43] Generated Node #0,3,0: 27:[35, 43] Operation: 65-22=43 Exploring Operation: 65-35=30, Resulting Numbers: [22, 30] Generated Node #0,3,1: 27:[22, 30] Operation: 65-35=30 Exploring Operation: 35-22=13, Resulting Numbers: [65, 13] Generated Node #0,3,2: 27:[65, 13] Operation: 35-22=13 Exploring Operation: 35+22=57, Resulting Numbers: [65, 57] Generated Node #0,3,3: 27:[65, 57] Operation: 35+22=57 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 27:[22, 30], Operations: ['89-67=22', '65-35=30'] Exploring Operation: 30-22=8, Resulting Numbers: [8] 8,27 unequal: No Solution Exploring Operation: 22+30=52, Resulting Numbers: [52] 52,27 unequal: No Solution Exploring Operation: 22*30=660, Resulting Numbers: [660] 660,27 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 27:[35, 43], Operations: ['89-67=22', '65-22=43'] Exploring Operation: 43-35=8, Resulting Numbers: [8] 8,27 unequal: No Solution Exploring Operation: 35+43=78, Resulting Numbers: [78] 78,27 unequal: No Solution Exploring Operation: 35*43=1505, Resulting Numbers: [1505] 1505,27 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 27:[65, 13], Operations: ['89-67=22', '35-22=13'] Exploring Operation: 65*13=845, Resulting Numbers: [845] 845,27 unequal: No Solution Exploring Operation: 65+13=78, Resulting Numbers: [78] 78,27 unequal: No Solution Exploring Operation: 65/13=5, Resulting Numbers: [5] 5,27 unequal: No Solution Exploring Operation: 65-13=52, Resulting Numbers: [52] 52,27 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 27:[65, 57], Operations: ['89-67=22', '35+22=57'] Exploring Operation: 65+57=122, Resulting Numbers: [122] 122,27 unequal: No Solution Exploring Operation: 65*57=3705, Resulting Numbers: [3705] 3705,27 unequal: No Solution Exploring Operation: 65-57=8, Resulting Numbers: [8] 8,27 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 27:[35, 89, 2], Operations: ['67-65=2'] Exploring Operation: 35+2=37, Resulting Numbers: [89, 37] Generated Node #0,2,0: 27:[89, 37] Operation: 35+2=37 Exploring Operation: 89-35=54, Resulting Numbers: [2, 54] Generated Node #0,2,1: 27:[2, 54] Operation: 89-35=54 Exploring Operation: 89-2=87, Resulting Numbers: [35, 87] Generated Node #0,2,2: 27:[35, 87] Operation: 89-2=87 Exploring Operation: 35-2=33, Resulting Numbers: [89, 33] Generated Node #0,2,3: 27:[89, 33] Operation: 35-2=33 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 27:[2, 54], Operations: ['67-65=2', '89-35=54'] Exploring Operation: 2+54=56, Resulting Numbers: [56] 56,27 unequal: No Solution Exploring Operation: 54-2=52, Resulting Numbers: [52] 52,27 unequal: No Solution Exploring Operation: 2*54=108, Resulting Numbers: [108] 108,27 unequal: No Solution Exploring Operation: 54/2=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Moving to Node #0 Current State: 27:[67, 35, 65, 89], Operations: [] Exploring Operation: 67-65=2, Resulting Numbers: [35, 89, 2] Generated Node #0,2: 27:[35, 89, 2] Operation: 67-65=2 Moving to Node #0,2 Current State: 27:[35, 89, 2], Operations: ['67-65=2'] Exploring Operation: 89-35=54, Resulting Numbers: [2, 54] Generated Node #0,2,1: 27:[2, 54] Operation: 89-35=54 Moving to Node #0,2,1 Current State: 27:[2, 54], Operations: ['67-65=2', '89-35=54'] Exploring Operation: 54/2=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Exit Sub Search at level 1
0.957465
hs_4
sum_heuristic
[ 63, 74, 56, 16 ]
83
[ "74-63=11", "56+16=72", "11+72=83" ]
Current State: 83:[63, 74, 56, 16], Operations: [] Exploring Operation: 74-63=11, Resulting Numbers: [56, 16, 11] Generated Node #2: [56, 16, 11] from Operation: 74-63=11 Current State: 83:[56, 16, 11], Operations: ['74-63=11'] Exploring Operation: 56+16=72, Resulting Numbers: [11, 72] Generated Node #3: [11, 72] from Operation: 56+16=72 Current State: 83:[11, 72], Operations: ['74-63=11', '56+16=72'] Exploring Operation: 11+72=83, Resulting Numbers: [83] 83,83 equal: Goal Reached
4
Current State: 83:[63, 74, 56, 16], Operations: [] Exploring Operation: 56+16=72, Resulting Numbers: [63, 74, 72] Generated Node #0,0: 83:[63, 74, 72] Operation: 56+16=72 Exploring Operation: 63-16=47, Resulting Numbers: [74, 56, 47] Generated Node #0,1: 83:[74, 56, 47] Operation: 63-16=47 Exploring Operation: 63+16=79, Resulting Numbers: [74, 56, 79] Generated Node #0,2: 83:[74, 56, 79] Operation: 63+16=79 Exploring Operation: 74+16=90, Resulting Numbers: [63, 56, 90] Generated Node #0,3: 83:[63, 56, 90] Operation: 74+16=90 Start Sub Search at level 1: Moving to Node #0,0 Current State: 83:[63, 74, 72], Operations: ['56+16=72'] Exploring Operation: 63+74=137, Resulting Numbers: [72, 137] Generated Node #0,0,0: 83:[72, 137] Operation: 63+74=137 Exploring Operation: 72-63=9, Resulting Numbers: [74, 9] Generated Node #0,0,1: 83:[74, 9] Operation: 72-63=9 Exploring Operation: 63+72=135, Resulting Numbers: [74, 135] Generated Node #0,0,2: 83:[74, 135] Operation: 63+72=135 Exploring Operation: 74-63=11, Resulting Numbers: [72, 11] Generated Node #0,0,3: 83:[72, 11] Operation: 74-63=11 Moving to Node #0,0,2 Current State: 83:[74, 135], Operations: ['56+16=72', '63+72=135'] Exploring Operation: 74+135=209, Resulting Numbers: [209] 209,83 unequal: No Solution Exploring Operation: 135-74=61, Resulting Numbers: [61] 61,83 unequal: No Solution Exploring Operation: 74*135=9990, Resulting Numbers: [9990] 9990,83 unequal: No Solution Moving to Node #0,0,0 Current State: 83:[72, 137], Operations: ['56+16=72', '63+74=137'] Exploring Operation: 72*137=9864, Resulting Numbers: [9864] 9864,83 unequal: No Solution Exploring Operation: 72+137=209, Resulting Numbers: [209] 209,83 unequal: No Solution Exploring Operation: 137-72=65, Resulting Numbers: [65] 65,83 unequal: No Solution Moving to Node #0,0,3 Current State: 83:[72, 11], Operations: ['56+16=72', '74-63=11'] Exploring Operation: 72+11=83, Resulting Numbers: [83] 83,83 equal: Goal Reached Moving to Node #0 Current State: 83:[63, 74, 56, 16], Operations: [] Exploring Operation: 56+16=72, Resulting Numbers: [63, 74, 72] Generated Node #0,0: 83:[63, 74, 72] Operation: 56+16=72 Moving to Node #0,0 Current State: 83:[63, 74, 72], Operations: ['56+16=72'] Exploring Operation: 74-63=11, Resulting Numbers: [72, 11] Generated Node #0,0,3: 83:[72, 11] Operation: 74-63=11 Moving to Node #0,0,3 Current State: 83:[72, 11], Operations: ['56+16=72', '74-63=11'] Exploring Operation: 72+11=83, Resulting Numbers: [83] 83,83 equal: Goal Reached Exit Sub Search at level 1
0.983507
hs_4
sum_heuristic
[ 81, 1, 44, 40 ]
76
[ "81-1=80", "44-40=4", "80-4=76" ]
Current State: 76:[81, 1, 44, 40], Operations: [] Exploring Operation: 81-1=80, Resulting Numbers: [44, 40, 80] Generated Node #2: [44, 40, 80] from Operation: 81-1=80 Current State: 76:[44, 40, 80], Operations: ['81-1=80'] Exploring Operation: 44-40=4, Resulting Numbers: [80, 4] Generated Node #3: [80, 4] from Operation: 44-40=4 Current State: 76:[80, 4], Operations: ['81-1=80', '44-40=4'] Exploring Operation: 80-4=76, Resulting Numbers: [76] 76,76 equal: Goal Reached
4
Current State: 76:[81, 1, 44, 40], Operations: [] Exploring Operation: 44-1=43, Resulting Numbers: [81, 40, 43] Generated Node #0,0: 76:[81, 40, 43] Operation: 44-1=43 Exploring Operation: 44-40=4, Resulting Numbers: [81, 1, 4] Generated Node #0,1: 76:[81, 1, 4] Operation: 44-40=4 Exploring Operation: 81-1=80, Resulting Numbers: [44, 40, 80] Generated Node #0,2: 76:[44, 40, 80] Operation: 81-1=80 Exploring Operation: 81-40=41, Resulting Numbers: [1, 44, 41] Generated Node #0,3: 76:[1, 44, 41] Operation: 81-40=41 Exploring Operation: 81-44=37, Resulting Numbers: [1, 40, 37] Generated Node #0,4: 76:[1, 40, 37] Operation: 81-44=37 Moving to Node #0,4 Current State: 76:[1, 40, 37], Operations: ['81-44=37'] Exploring Operation: 1+37=38, Resulting Numbers: [40, 38] Generated Node #0,4,0: 76:[40, 38] Operation: 1+37=38 Exploring Operation: 40-1=39, Resulting Numbers: [37, 39] Generated Node #0,4,1: 76:[37, 39] Operation: 40-1=39 Exploring Operation: 1*40=40, Resulting Numbers: [37, 40] Generated Node #0,4,2: 76:[37, 40] Operation: 1*40=40 Exploring Operation: 40-37=3, Resulting Numbers: [1, 3] Generated Node #0,4,3: 76:[1, 3] Operation: 40-37=3 Exploring Operation: 40+37=77, Resulting Numbers: [1, 77] Generated Node #0,4,4: 76:[1, 77] Operation: 40+37=77 Moving to Node #0,1 Current State: 76:[81, 1, 4], Operations: ['44-40=4'] Exploring Operation: 81-1=80, Resulting Numbers: [4, 80] Generated Node #0,1,0: 76:[4, 80] Operation: 81-1=80 Exploring Operation: 81/1=81, Resulting Numbers: [4, 81] Generated Node #0,1,1: 76:[4, 81] Operation: 81/1=81 Exploring Operation: 81-4=77, Resulting Numbers: [1, 77] Generated Node #0,1,2: 76:[1, 77] Operation: 81-4=77 Exploring Operation: 81*1=81, Resulting Numbers: [4, 81] Generated Node #0,1,3: 76:[4, 81] Operation: 81*1=81 Exploring Operation: 1*4=4, Resulting Numbers: [81, 4] Generated Node #0,1,4: 76:[81, 4] Operation: 1*4=4 Moving to Node #0,3 Current State: 76:[1, 44, 41], Operations: ['81-40=41'] Exploring Operation: 44/1=44, Resulting Numbers: [41, 44] Generated Node #0,3,0: 76:[41, 44] Operation: 44/1=44 Exploring Operation: 44-1=43, Resulting Numbers: [41, 43] Generated Node #0,3,1: 76:[41, 43] Operation: 44-1=43 Exploring Operation: 41-1=40, Resulting Numbers: [44, 40] Generated Node #0,3,2: 76:[44, 40] Operation: 41-1=40 Exploring Operation: 44-41=3, Resulting Numbers: [1, 3] Generated Node #0,3,3: 76:[1, 3] Operation: 44-41=3 Exploring Operation: 1*44=44, Resulting Numbers: [41, 44] Generated Node #0,3,4: 76:[41, 44] Operation: 1*44=44 Moving to Node #0,0 Current State: 76:[81, 40, 43], Operations: ['44-1=43'] Exploring Operation: 81+40=121, Resulting Numbers: [43, 121] Generated Node #0,0,0: 76:[43, 121] Operation: 81+40=121 Exploring Operation: 43-40=3, Resulting Numbers: [81, 3] Generated Node #0,0,1: 76:[81, 3] Operation: 43-40=3 Exploring Operation: 81-43=38, Resulting Numbers: [40, 38] Generated Node #0,0,2: 76:[40, 38] Operation: 81-43=38 Exploring Operation: 81-40=41, Resulting Numbers: [43, 41] Generated Node #0,0,3: 76:[43, 41] Operation: 81-40=41 Exploring Operation: 40+43=83, Resulting Numbers: [81, 83] Generated Node #0,0,4: 76:[81, 83] Operation: 40+43=83 Moving to Node #0,2 Current State: 76:[44, 40, 80], Operations: ['81-1=80'] Exploring Operation: 80-44=36, Resulting Numbers: [40, 36] Generated Node #0,2,0: 76:[40, 36] Operation: 80-44=36 Exploring Operation: 44+40=84, Resulting Numbers: [80, 84] Generated Node #0,2,1: 76:[80, 84] Operation: 44+40=84 Exploring Operation: 80/40=2, Resulting Numbers: [44, 2] Generated Node #0,2,2: 76:[44, 2] Operation: 80/40=2 Exploring Operation: 80-40=40, Resulting Numbers: [44, 40] Generated Node #0,2,3: 76:[44, 40] Operation: 80-40=40 Exploring Operation: 44-40=4, Resulting Numbers: [80, 4] Generated Node #0,2,4: 76:[80, 4] Operation: 44-40=4 Moving to Node #0,4,0 Current State: 76:[40, 38], Operations: ['81-44=37', '1+37=38'] Exploring Operation: 40-38=2, Resulting Numbers: [2] 2,76 unequal: No Solution Exploring Operation: 40*38=1520, Resulting Numbers: [1520] 1520,76 unequal: No Solution Exploring Operation: 40+38=78, Resulting Numbers: [78] 78,76 unequal: No Solution Moving to Node #0,4,3 Current State: 76:[1, 3], Operations: ['81-44=37', '40-37=3'] Exploring Operation: 1+3=4, Resulting Numbers: [4] 4,76 unequal: No Solution Exploring Operation: 1*3=3, Resulting Numbers: [3] 3,76 unequal: No Solution Exploring Operation: 3-1=2, Resulting Numbers: [2] 2,76 unequal: No Solution Exploring Operation: 3/1=3, Resulting Numbers: [3] 3,76 unequal: No Solution Moving to Node #0,1,2 Current State: 76:[1, 77], Operations: ['44-40=4', '81-4=77'] Exploring Operation: 77-1=76, Resulting Numbers: [76] 76,76 equal: Goal Reached Moving to Node #0 Current State: 76:[81, 1, 44, 40], Operations: [] Exploring Operation: 44-40=4, Resulting Numbers: [81, 1, 4] Generated Node #0,1: 76:[81, 1, 4] Operation: 44-40=4 Moving to Node #0,1 Current State: 76:[81, 1, 4], Operations: ['44-40=4'] Exploring Operation: 81-4=77, Resulting Numbers: [1, 77] Generated Node #0,1,2: 76:[1, 77] Operation: 81-4=77 Moving to Node #0,1,2 Current State: 76:[1, 77], Operations: ['44-40=4', '81-4=77'] Exploring Operation: 77-1=76, Resulting Numbers: [76] 76,76 equal: Goal Reached
0.963542
hs_5
mult_heuristic
[ 30, 16, 80, 38 ]
63
[ "30+38=68", "80/16=5", "68-5=63" ]
Current State: 63:[30, 16, 80, 38], Operations: [] Exploring Operation: 30+38=68, Resulting Numbers: [16, 80, 68] Generated Node #2: [16, 80, 68] from Operation: 30+38=68 Current State: 63:[16, 80, 68], Operations: ['30+38=68'] Exploring Operation: 80/16=5, Resulting Numbers: [68, 5] Generated Node #3: [68, 5] from Operation: 80/16=5 Current State: 63:[68, 5], Operations: ['30+38=68', '80/16=5'] Exploring Operation: 68-5=63, Resulting Numbers: [63] 63,63 equal: Goal Reached
4
Current State: 63:[30, 16, 80, 38], Operations: [] Exploring Operation: 30+38=68, Resulting Numbers: [16, 80, 68] Generated Node #0,0: 63:[16, 80, 68] Operation: 30+38=68 Exploring Operation: 80-16=64, Resulting Numbers: [30, 38, 64] Generated Node #0,1: 63:[30, 38, 64] Operation: 80-16=64 Exploring Operation: 38-16=22, Resulting Numbers: [30, 80, 22] Generated Node #0,2: 63:[30, 80, 22] Operation: 38-16=22 Exploring Operation: 38-30=8, Resulting Numbers: [16, 80, 8] Generated Node #0,3: 63:[16, 80, 8] Operation: 38-30=8 Start Sub Search at level 1: Moving to Node #0,3 Current State: 63:[16, 80, 8], Operations: ['38-30=8'] Exploring Operation: 80/8=10, Resulting Numbers: [16, 10] Generated Node #0,3,0: 63:[16, 10] Operation: 80/8=10 Exploring Operation: 80/16=5, Resulting Numbers: [8, 5] Generated Node #0,3,1: 63:[8, 5] Operation: 80/16=5 Exploring Operation: 80-16=64, Resulting Numbers: [8, 64] Generated Node #0,3,2: 63:[8, 64] Operation: 80-16=64 Exploring Operation: 80-8=72, Resulting Numbers: [16, 72] Generated Node #0,3,3: 63:[16, 72] Operation: 80-8=72 Moving to Node #0,3,2 Current State: 63:[8, 64], Operations: ['38-30=8', '80-16=64'] Exploring Operation: 64/8=8, Resulting Numbers: [8] 8,63 unequal: No Solution Exploring Operation: 64-8=56, Resulting Numbers: [56] 56,63 unequal: No Solution Exploring Operation: 8*64=512, Resulting Numbers: [512] 512,63 unequal: No Solution Exploring Operation: 8+64=72, Resulting Numbers: [72] 72,63 unequal: No Solution Moving to Node #0,3,1 Current State: 63:[8, 5], Operations: ['38-30=8', '80/16=5'] Exploring Operation: 8+5=13, Resulting Numbers: [13] 13,63 unequal: No Solution Exploring Operation: 8-5=3, Resulting Numbers: [3] 3,63 unequal: No Solution Exploring Operation: 8*5=40, Resulting Numbers: [40] 40,63 unequal: No Solution Moving to Node #0,3,0 Current State: 63:[16, 10], Operations: ['38-30=8', '80/8=10'] Exploring Operation: 16+10=26, Resulting Numbers: [26] 26,63 unequal: No Solution Exploring Operation: 16*10=160, Resulting Numbers: [160] 160,63 unequal: No Solution Exploring Operation: 16-10=6, Resulting Numbers: [6] 6,63 unequal: No Solution Moving to Node #0,3,3 Current State: 63:[16, 72], Operations: ['38-30=8', '80-8=72'] Exploring Operation: 16+72=88, Resulting Numbers: [88] 88,63 unequal: No Solution Exploring Operation: 72-16=56, Resulting Numbers: [56] 56,63 unequal: No Solution Exploring Operation: 16*72=1152, Resulting Numbers: [1152] 1152,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 63:[16, 80, 68], Operations: ['30+38=68'] Exploring Operation: 80-68=12, Resulting Numbers: [16, 12] Generated Node #0,0,0: 63:[16, 12] Operation: 80-68=12 Exploring Operation: 68-16=52, Resulting Numbers: [80, 52] Generated Node #0,0,1: 63:[80, 52] Operation: 68-16=52 Exploring Operation: 80-16=64, Resulting Numbers: [68, 64] Generated Node #0,0,2: 63:[68, 64] Operation: 80-16=64 Exploring Operation: 80/16=5, Resulting Numbers: [68, 5] Generated Node #0,0,3: 63:[68, 5] Operation: 80/16=5 Moving to Node #0,0,2 Current State: 63:[68, 64], Operations: ['30+38=68', '80-16=64'] Exploring Operation: 68-64=4, Resulting Numbers: [4] 4,63 unequal: No Solution Exploring Operation: 68+64=132, Resulting Numbers: [132] 132,63 unequal: No Solution Exploring Operation: 68*64=4352, Resulting Numbers: [4352] 4352,63 unequal: No Solution Moving to Node #0,0,3 Current State: 63:[68, 5], Operations: ['30+38=68', '80/16=5'] Exploring Operation: 68-5=63, Resulting Numbers: [63] 63,63 equal: Goal Reached Moving to Node #0 Current State: 63:[30, 16, 80, 38], Operations: [] Exploring Operation: 30+38=68, Resulting Numbers: [16, 80, 68] Generated Node #0,0: 63:[16, 80, 68] Operation: 30+38=68 Moving to Node #0,0 Current State: 63:[16, 80, 68], Operations: ['30+38=68'] Exploring Operation: 80/16=5, Resulting Numbers: [68, 5] Generated Node #0,0,3: 63:[68, 5] Operation: 80/16=5 Moving to Node #0,0,3 Current State: 63:[68, 5], Operations: ['30+38=68', '80/16=5'] Exploring Operation: 68-5=63, Resulting Numbers: [63] 63,63 equal: Goal Reached Exit Sub Search at level 1
0.971354
hs_4
sum_heuristic
[ 13, 75, 8, 43 ]
68
[ "13+43=56", "56/8=7", "75-7=68" ]
Current State: 68:[13, 75, 8, 43], Operations: [] Exploring Operation: 13+43=56, Resulting Numbers: [75, 8, 56] Generated Node #2: [75, 8, 56] from Operation: 13+43=56 Current State: 68:[75, 8, 56], Operations: ['13+43=56'] Exploring Operation: 56/8=7, Resulting Numbers: [75, 7] Generated Node #3: [75, 7] from Operation: 56/8=7 Current State: 68:[75, 7], Operations: ['13+43=56', '56/8=7'] Exploring Operation: 75-7=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
4
Current State: 68:[13, 75, 8, 43], Operations: [] Exploring Operation: 75-43=32, Resulting Numbers: [13, 8, 32] Generated Node #0,0: 68:[13, 8, 32] Operation: 75-43=32 Exploring Operation: 43-8=35, Resulting Numbers: [13, 75, 35] Generated Node #0,1: 68:[13, 75, 35] Operation: 43-8=35 Moving to Node #0,0 Current State: 68:[13, 8, 32], Operations: ['75-43=32'] Exploring Operation: 32/8=4, Resulting Numbers: [13, 4] Generated Node #0,0,0: 68:[13, 4] Operation: 32/8=4 Exploring Operation: 13-8=5, Resulting Numbers: [32, 5] Generated Node #0,0,1: 68:[32, 5] Operation: 13-8=5 Moving to Node #0,1 Current State: 68:[13, 75, 35], Operations: ['43-8=35'] Exploring Operation: 75-35=40, Resulting Numbers: [13, 40] Generated Node #0,1,0: 68:[13, 40] Operation: 75-35=40 Exploring Operation: 75-13=62, Resulting Numbers: [35, 62] Generated Node #0,1,1: 68:[35, 62] Operation: 75-13=62 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 68:[35, 62], Operations: ['43-8=35', '75-13=62'] Exploring Operation: 62-35=27, Resulting Numbers: [27] 27,68 unequal: No Solution Exploring Operation: 35+62=97, Resulting Numbers: [97] 97,68 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 68:[13, 40], Operations: ['43-8=35', '75-35=40'] Exploring Operation: 13+40=53, Resulting Numbers: [53] 53,68 unequal: No Solution Exploring Operation: 40-13=27, Resulting Numbers: [27] 27,68 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,1 Current State: 68:[32, 5], Operations: ['75-43=32', '13-8=5'] Exploring Operation: 32-5=27, Resulting Numbers: [27] 27,68 unequal: No Solution Exploring Operation: 32+5=37, Resulting Numbers: [37] 37,68 unequal: No Solution Moving to Node #0,0,0 Current State: 68:[13, 4], Operations: ['75-43=32', '32/8=4'] Exploring Operation: 13-4=9, Resulting Numbers: [9] 9,68 unequal: No Solution Exploring Operation: 13+4=17, Resulting Numbers: [17] 17,68 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 38, 73, 2, 10 ]
44
[ "38/2=19", "73-10=63", "63-19=44" ]
Current State: 44:[38, 73, 2, 10], Operations: [] Exploring Operation: 38/2=19, Resulting Numbers: [73, 10, 19] Generated Node #2: [73, 10, 19] from Operation: 38/2=19 Current State: 44:[73, 10, 19], Operations: ['38/2=19'] Exploring Operation: 73-10=63, Resulting Numbers: [19, 63] Generated Node #3: [19, 63] from Operation: 73-10=63 Current State: 44:[19, 63], Operations: ['38/2=19', '73-10=63'] Exploring Operation: 63-19=44, Resulting Numbers: [44] 44,44 equal: Goal Reached
4
Current State: 44:[38, 73, 2, 10], Operations: [] Exploring Operation: 73-38=35, Resulting Numbers: [2, 10, 35] Generated Node #0,0: 44:[2, 10, 35] Operation: 73-38=35 Exploring Operation: 73-10=63, Resulting Numbers: [38, 2, 63] Generated Node #0,1: 44:[38, 2, 63] Operation: 73-10=63 Moving to Node #0,0 Current State: 44:[2, 10, 35], Operations: ['73-38=35'] Exploring Operation: 10+35=45, Resulting Numbers: [2, 45] Generated Node #0,0,0: 44:[2, 45] Operation: 10+35=45 Exploring Operation: 35-10=25, Resulting Numbers: [2, 25] Generated Node #0,0,1: 44:[2, 25] Operation: 35-10=25 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 44:[2, 45], Operations: ['73-38=35', '10+35=45'] Exploring Operation: 2+45=47, Resulting Numbers: [47] 47,44 unequal: No Solution Exploring Operation: 45-2=43, Resulting Numbers: [43] 43,44 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 44:[2, 25], Operations: ['73-38=35', '35-10=25'] Exploring Operation: 2+25=27, Resulting Numbers: [27] 27,44 unequal: No Solution Exploring Operation: 25-2=23, Resulting Numbers: [23] 23,44 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: 44:[38, 2, 63], Operations: ['73-10=63'] Exploring Operation: 38/2=19, Resulting Numbers: [63, 19] Generated Node #0,1,0: 44:[63, 19] Operation: 38/2=19 Exploring Operation: 63-38=25, Resulting Numbers: [2, 25] Generated Node #0,1,1: 44:[2, 25] Operation: 63-38=25 Moving to Node #0,1,1 Current State: 44:[2, 25], Operations: ['73-10=63', '63-38=25'] Exploring Operation: 2+25=27, Resulting Numbers: [27] 27,44 unequal: No Solution Exploring Operation: 25-2=23, Resulting Numbers: [23] 23,44 unequal: No Solution Moving to Node #0,1,0 Current State: 44:[63, 19], Operations: ['73-10=63', '38/2=19'] Exploring Operation: 63+19=82, Resulting Numbers: [82] 82,44 unequal: No Solution Exploring Operation: 63-19=44, Resulting Numbers: [44] 44,44 equal: Goal Reached Moving to Node #0 Current State: 44:[38, 73, 2, 10], Operations: [] Exploring Operation: 73-10=63, Resulting Numbers: [38, 2, 63] Generated Node #0,1: 44:[38, 2, 63] Operation: 73-10=63 Moving to Node #0,1 Current State: 44:[38, 2, 63], Operations: ['73-10=63'] Exploring Operation: 38/2=19, Resulting Numbers: [63, 19] Generated Node #0,1,0: 44:[63, 19] Operation: 38/2=19 Moving to Node #0,1,0 Current State: 44:[63, 19], Operations: ['73-10=63', '38/2=19'] Exploring Operation: 63-19=44, Resulting Numbers: [44] 44,44 equal: Goal Reached
0.984375
hs_2
sum_heuristic
[ 57, 45, 78, 14 ]
38
[ "57+45=102", "78-14=64", "102-64=38" ]
Current State: 38:[57, 45, 78, 14], Operations: [] Exploring Operation: 57+45=102, Resulting Numbers: [78, 14, 102] Generated Node #2: [78, 14, 102] from Operation: 57+45=102 Current State: 38:[78, 14, 102], Operations: ['57+45=102'] Exploring Operation: 78-14=64, Resulting Numbers: [102, 64] Generated Node #3: [102, 64] from Operation: 78-14=64 Current State: 38:[102, 64], Operations: ['57+45=102', '78-14=64'] Exploring Operation: 102-64=38, Resulting Numbers: [38] 38,38 equal: Goal Reached
4
Current State: 38:[57, 45, 78, 14], Operations: [] Exploring Operation: 78-45=33, Resulting Numbers: [57, 14, 33] Generated Node #0,0: 38:[57, 14, 33] Operation: 78-45=33 Exploring Operation: 57-45=12, Resulting Numbers: [78, 14, 12] Generated Node #0,1: 38:[78, 14, 12] Operation: 57-45=12 Exploring Operation: 78-57=21, Resulting Numbers: [45, 14, 21] Generated Node #0,2: 38:[45, 14, 21] Operation: 78-57=21 Start Sub Search at level 1: Moving to Node #0,2 Current State: 38:[45, 14, 21], Operations: ['78-57=21'] Exploring Operation: 45-21=24, Resulting Numbers: [14, 24] Generated Node #0,2,0: 38:[14, 24] Operation: 45-21=24 Exploring Operation: 45-14=31, Resulting Numbers: [21, 31] Generated Node #0,2,1: 38:[21, 31] Operation: 45-14=31 Exploring Operation: 14+21=35, Resulting Numbers: [45, 35] Generated Node #0,2,2: 38:[45, 35] Operation: 14+21=35 Moving to Node #0,2,1 Current State: 38:[21, 31], Operations: ['78-57=21', '45-14=31'] Exploring Operation: 31-21=10, Resulting Numbers: [10] 10,38 unequal: No Solution Exploring Operation: 21*31=651, Resulting Numbers: [651] 651,38 unequal: No Solution Exploring Operation: 21+31=52, Resulting Numbers: [52] 52,38 unequal: No Solution Moving to Node #0,2,0 Current State: 38:[14, 24], Operations: ['78-57=21', '45-21=24'] Exploring Operation: 14*24=336, Resulting Numbers: [336] 336,38 unequal: No Solution Exploring Operation: 14+24=38, Resulting Numbers: [38] 38,38 equal: Goal Reached Moving to Node #0 Current State: 38:[57, 45, 78, 14], Operations: [] Exploring Operation: 78-57=21, Resulting Numbers: [45, 14, 21] Generated Node #0,2: 38:[45, 14, 21] Operation: 78-57=21 Moving to Node #0,2 Current State: 38:[45, 14, 21], Operations: ['78-57=21'] Exploring Operation: 45-21=24, Resulting Numbers: [14, 24] Generated Node #0,2,0: 38:[14, 24] Operation: 45-21=24 Moving to Node #0,2,0 Current State: 38:[14, 24], Operations: ['78-57=21', '45-21=24'] Exploring Operation: 14+24=38, Resulting Numbers: [38] 38,38 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_3
sum_heuristic
[ 2, 36, 38, 48 ]
12
[ "36-2=34", "38-34=4", "48/4=12" ]
Current State: 12:[2, 36, 38, 48], Operations: [] Exploring Operation: 36-2=34, Resulting Numbers: [38, 48, 34] Generated Node #2: [38, 48, 34] from Operation: 36-2=34 Current State: 12:[38, 48, 34], Operations: ['36-2=34'] Exploring Operation: 38-34=4, Resulting Numbers: [48, 4] Generated Node #3: [48, 4] from Operation: 38-34=4 Current State: 12:[48, 4], Operations: ['36-2=34', '38-34=4'] Exploring Operation: 48/4=12, Resulting Numbers: [12] 12,12 equal: Goal Reached
4
Current State: 12:[2, 36, 38, 48], Operations: [] Exploring Operation: 48-36=12, Resulting Numbers: [2, 38, 12] Generated Node #0,0: 12:[2, 38, 12] Operation: 48-36=12 Exploring Operation: 38-36=2, Resulting Numbers: [2, 48, 2] Generated Node #0,1: 12:[2, 48, 2] Operation: 38-36=2 Exploring Operation: 48-38=10, Resulting Numbers: [2, 36, 10] Generated Node #0,2: 12:[2, 36, 10] Operation: 48-38=10 Start Sub Search at level 1: Moving to Node #0,0 Current State: 12:[2, 38, 12], Operations: ['48-36=12'] Exploring Operation: 38-12=26, Resulting Numbers: [2, 26] Generated Node #0,0,0: 12:[2, 26] Operation: 38-12=26 Exploring Operation: 38/2=19, Resulting Numbers: [12, 19] Generated Node #0,0,1: 12:[12, 19] Operation: 38/2=19 Exploring Operation: 38-2=36, Resulting Numbers: [12, 36] Generated Node #0,0,2: 12:[12, 36] Operation: 38-2=36 Moving to Node #0,0,1 Current State: 12:[12, 19], Operations: ['48-36=12', '38/2=19'] Exploring Operation: 19-12=7, Resulting Numbers: [7] 7,12 unequal: No Solution Exploring Operation: 12*19=228, Resulting Numbers: [228] 228,12 unequal: No Solution Exploring Operation: 12+19=31, Resulting Numbers: [31] 31,12 unequal: No Solution Moving to Node #0,0,0 Current State: 12:[2, 26], Operations: ['48-36=12', '38-12=26'] Exploring Operation: 2+26=28, Resulting Numbers: [28] 28,12 unequal: No Solution Exploring Operation: 26-2=24, Resulting Numbers: [24] 24,12 unequal: No Solution Exploring Operation: 26/2=13, Resulting Numbers: [13] 13,12 unequal: No Solution Moving to Node #0,0,2 Current State: 12:[12, 36], Operations: ['48-36=12', '38-2=36'] Exploring Operation: 12+36=48, Resulting Numbers: [48] 48,12 unequal: No Solution Exploring Operation: 36-12=24, Resulting Numbers: [24] 24,12 unequal: No Solution Exploring Operation: 36/12=3, Resulting Numbers: [3] 3,12 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 12:[2, 36, 10], Operations: ['48-38=10'] Exploring Operation: 36-10=26, Resulting Numbers: [2, 26] Generated Node #0,2,0: 12:[2, 26] Operation: 36-10=26 Exploring Operation: 36-2=34, Resulting Numbers: [10, 34] Generated Node #0,2,1: 12:[10, 34] Operation: 36-2=34 Exploring Operation: 36/2=18, Resulting Numbers: [10, 18] Generated Node #0,2,2: 12:[10, 18] Operation: 36/2=18 Moving to Node #0,2,2 Current State: 12:[10, 18], Operations: ['48-38=10', '36/2=18'] Exploring Operation: 10+18=28, Resulting Numbers: [28] 28,12 unequal: No Solution Exploring Operation: 18-10=8, Resulting Numbers: [8] 8,12 unequal: No Solution Exploring Operation: 10*18=180, Resulting Numbers: [180] 180,12 unequal: No Solution Moving to Node #0,2,0 Current State: 12:[2, 26], Operations: ['48-38=10', '36-10=26'] Exploring Operation: 26-2=24, Resulting Numbers: [24] 24,12 unequal: No Solution Exploring Operation: 26/2=13, Resulting Numbers: [13] 13,12 unequal: No Solution Exploring Operation: 2+26=28, Resulting Numbers: [28] 28,12 unequal: No Solution Moving to Node #0,2,1 Current State: 12:[10, 34], Operations: ['48-38=10', '36-2=34'] Exploring Operation: 10*34=340, Resulting Numbers: [340] 340,12 unequal: No Solution Exploring Operation: 34-10=24, Resulting Numbers: [24] 24,12 unequal: No Solution Exploring Operation: 10+34=44, Resulting Numbers: [44] 44,12 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 12:[2, 48, 2], Operations: ['38-36=2'] Exploring Operation: 48/2=24, Resulting Numbers: [2, 24] Generated Node #0,1,0: 12:[2, 24] Operation: 48/2=24 Exploring Operation: 48-2=46, Resulting Numbers: [2, 46] Generated Node #0,1,1: 12:[2, 46] Operation: 48-2=46 Exploring Operation: 48/2=24, Resulting Numbers: [2, 24] Generated Node #0,1,2: 12:[2, 24] Operation: 48/2=24 Moving to Node #0,1,0 Current State: 12:[2, 24], Operations: ['38-36=2', '48/2=24'] Exploring Operation: 24/2=12, Resulting Numbers: [12] 12,12 equal: Goal Reached Moving to Node #0 Current State: 12:[2, 36, 38, 48], Operations: [] Exploring Operation: 38-36=2, Resulting Numbers: [2, 48, 2] Generated Node #0,1: 12:[2, 48, 2] Operation: 38-36=2 Moving to Node #0,1 Current State: 12:[2, 48, 2], Operations: ['38-36=2'] Exploring Operation: 48/2=24, Resulting Numbers: [2, 24] Generated Node #0,1,0: 12:[2, 24] Operation: 48/2=24 Moving to Node #0,1,0 Current State: 12:[2, 24], Operations: ['38-36=2', '48/2=24'] Exploring Operation: 24/2=12, Resulting Numbers: [12] 12,12 equal: Goal Reached Exit Sub Search at level 1
0.969618
hs_3
sum_heuristic
[ 97, 9, 32, 40 ]
89
[ "32+40=72", "72/9=8", "97-8=89" ]
Current State: 89:[97, 9, 32, 40], Operations: [] Exploring Operation: 32+40=72, Resulting Numbers: [97, 9, 72] Generated Node #2: [97, 9, 72] from Operation: 32+40=72 Current State: 89:[97, 9, 72], Operations: ['32+40=72'] Exploring Operation: 72/9=8, Resulting Numbers: [97, 8] Generated Node #3: [97, 8] from Operation: 72/9=8 Current State: 89:[97, 8], Operations: ['32+40=72', '72/9=8'] Exploring Operation: 97-8=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
4
Current State: 89:[97, 9, 32, 40], Operations: [] Exploring Operation: 9+32=41, Resulting Numbers: [97, 40, 41] Generated Node #0,0: 89:[97, 40, 41] Operation: 9+32=41 Exploring Operation: 9+40=49, Resulting Numbers: [97, 32, 49] Generated Node #0,1: 89:[97, 32, 49] Operation: 9+40=49 Start Sub Search at level 1: Moving to Node #0,0 Current State: 89:[97, 40, 41], Operations: ['9+32=41'] Exploring Operation: 97-40=57, Resulting Numbers: [41, 57] Generated Node #0,0,0: 89:[41, 57] Operation: 97-40=57 Exploring Operation: 40+41=81, Resulting Numbers: [97, 81] Generated Node #0,0,1: 89:[97, 81] Operation: 40+41=81 Moving to Node #0,0,1 Current State: 89:[97, 81], Operations: ['9+32=41', '40+41=81'] Exploring Operation: 97-81=16, Resulting Numbers: [16] 16,89 unequal: No Solution Exploring Operation: 97+81=178, Resulting Numbers: [178] 178,89 unequal: No Solution Moving to Node #0,0,0 Current State: 89:[41, 57], Operations: ['9+32=41', '97-40=57'] Exploring Operation: 41+57=98, Resulting Numbers: [98] 98,89 unequal: No Solution Exploring Operation: 57-41=16, Resulting Numbers: [16] 16,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 89:[97, 32, 49], Operations: ['9+40=49'] Exploring Operation: 97-32=65, Resulting Numbers: [49, 65] Generated Node #0,1,0: 89:[49, 65] Operation: 97-32=65 Exploring Operation: 32+49=81, Resulting Numbers: [97, 81] Generated Node #0,1,1: 89:[97, 81] Operation: 32+49=81 Moving to Node #0,1,1 Current State: 89:[97, 81], Operations: ['9+40=49', '32+49=81'] Exploring Operation: 97-81=16, Resulting Numbers: [16] 16,89 unequal: No Solution Exploring Operation: 97+81=178, Resulting Numbers: [178] 178,89 unequal: No Solution Moving to Node #0,1,0 Current State: 89:[49, 65], Operations: ['9+40=49', '97-32=65'] Exploring Operation: 49+65=114, Resulting Numbers: [114] 114,89 unequal: No Solution Exploring Operation: 65-49=16, Resulting Numbers: [16] 16,89 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
[ 2, 66, 53, 19 ]
59
[ "2*53=106", "66-19=47", "106-47=59" ]
Current State: 59:[2, 66, 53, 19], Operations: [] Exploring Operation: 2*53=106, Resulting Numbers: [66, 19, 106] Generated Node #2: [66, 19, 106] from Operation: 2*53=106 Current State: 59:[66, 19, 106], Operations: ['2*53=106'] Exploring Operation: 66-19=47, Resulting Numbers: [106, 47] Generated Node #3: [106, 47] from Operation: 66-19=47 Current State: 59:[106, 47], Operations: ['2*53=106', '66-19=47'] Exploring Operation: 106-47=59, Resulting Numbers: [59] 59,59 equal: Goal Reached
4
Current State: 59:[2, 66, 53, 19], Operations: [] Exploring Operation: 2+19=21, Resulting Numbers: [66, 53, 21] Generated Node #0,0: 59:[66, 53, 21] Operation: 2+19=21 Exploring Operation: 2+53=55, Resulting Numbers: [66, 19, 55] Generated Node #0,1: 59:[66, 19, 55] Operation: 2+53=55 Exploring Operation: 66-2=64, Resulting Numbers: [53, 19, 64] Generated Node #0,2: 59:[53, 19, 64] Operation: 66-2=64 Exploring Operation: 2*19=38, Resulting Numbers: [66, 53, 38] Generated Node #0,3: 59:[66, 53, 38] Operation: 2*19=38 Start Sub Search at level 1: Moving to Node #0,3 Current State: 59:[66, 53, 38], Operations: ['2*19=38'] Exploring Operation: 66+38=104, Resulting Numbers: [53, 104] Generated Node #0,3,0: 59:[53, 104] Operation: 66+38=104 Exploring Operation: 53+38=91, Resulting Numbers: [66, 91] Generated Node #0,3,1: 59:[66, 91] Operation: 53+38=91 Exploring Operation: 66-38=28, Resulting Numbers: [53, 28] Generated Node #0,3,2: 59:[53, 28] Operation: 66-38=28 Exploring Operation: 53-38=15, Resulting Numbers: [66, 15] Generated Node #0,3,3: 59:[66, 15] Operation: 53-38=15 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 59:[53, 28], Operations: ['2*19=38', '66-38=28'] Exploring Operation: 53*28=1484, Resulting Numbers: [1484] 1484,59 unequal: No Solution Exploring Operation: 53-28=25, Resulting Numbers: [25] 25,59 unequal: No Solution Exploring Operation: 53+28=81, Resulting Numbers: [81] 81,59 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 #0,3,1 Current State: 59:[66, 91], Operations: ['2*19=38', '53+38=91'] Exploring Operation: 66*91=6006, Resulting Numbers: [6006] 6006,59 unequal: No Solution Exploring Operation: 91-66=25, Resulting Numbers: [25] 25,59 unequal: No Solution Exploring Operation: 66+91=157, Resulting Numbers: [157] 157,59 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 #0,3,0 Current State: 59:[53, 104], Operations: ['2*19=38', '66+38=104'] Exploring Operation: 104-53=51, Resulting Numbers: [51] 51,59 unequal: No Solution Exploring Operation: 53*104=5512, Resulting Numbers: [5512] 5512,59 unequal: No Solution Exploring Operation: 53+104=157, Resulting Numbers: [157] 157,59 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 #0,3,3 Current State: 59:[66, 15], Operations: ['2*19=38', '53-38=15'] Exploring Operation: 66+15=81, Resulting Numbers: [81] 81,59 unequal: No Solution Exploring Operation: 66-15=51, Resulting Numbers: [51] 51,59 unequal: No Solution Exploring Operation: 66*15=990, Resulting Numbers: [990] 990,59 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 #0,0 Current State: 59:[66, 53, 21], Operations: ['2+19=21'] Exploring Operation: 66-21=45, Resulting Numbers: [53, 45] Generated Node #0,0,0: 59:[53, 45] Operation: 66-21=45 Exploring Operation: 53+21=74, Resulting Numbers: [66, 74] Generated Node #0,0,1: 59:[66, 74] Operation: 53+21=74 Exploring Operation: 66+21=87, Resulting Numbers: [53, 87] Generated Node #0,0,2: 59:[53, 87] Operation: 66+21=87 Exploring Operation: 53-21=32, Resulting Numbers: [66, 32] Generated Node #0,0,3: 59:[66, 32] Operation: 53-21=32 Moving to Node #0,0,0 Current State: 59:[53, 45], Operations: ['2+19=21', '66-21=45'] Exploring Operation: 53-45=8, Resulting Numbers: [8] 8,59 unequal: No Solution Exploring Operation: 53*45=2385, Resulting Numbers: [2385] 2385,59 unequal: No Solution Exploring Operation: 53+45=98, Resulting Numbers: [98] 98,59 unequal: No Solution Moving to Node #0,0,1 Current State: 59:[66, 74], Operations: ['2+19=21', '53+21=74'] Exploring Operation: 66*74=4884, Resulting Numbers: [4884] 4884,59 unequal: No Solution Exploring Operation: 66+74=140, Resulting Numbers: [140] 140,59 unequal: No Solution Exploring Operation: 74-66=8, Resulting Numbers: [8] 8,59 unequal: No Solution Moving to Node #0,0,3 Current State: 59:[66, 32], Operations: ['2+19=21', '53-21=32'] Exploring Operation: 66*32=2112, Resulting Numbers: [2112] 2112,59 unequal: No Solution Exploring Operation: 66+32=98, Resulting Numbers: [98] 98,59 unequal: No Solution Exploring Operation: 66-32=34, Resulting Numbers: [34] 34,59 unequal: No Solution Moving to Node #0,0,2 Current State: 59:[53, 87], Operations: ['2+19=21', '66+21=87'] Exploring Operation: 53*87=4611, Resulting Numbers: [4611] 4611,59 unequal: No Solution Exploring Operation: 87-53=34, Resulting Numbers: [34] 34,59 unequal: No Solution Exploring Operation: 53+87=140, Resulting Numbers: [140] 140,59 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 59:[66, 19, 55], Operations: ['2+53=55'] Exploring Operation: 55-19=36, Resulting Numbers: [66, 36] Generated Node #0,1,0: 59:[66, 36] Operation: 55-19=36 Exploring Operation: 66-19=47, Resulting Numbers: [55, 47] Generated Node #0,1,1: 59:[55, 47] Operation: 66-19=47 Exploring Operation: 66+19=85, Resulting Numbers: [55, 85] Generated Node #0,1,2: 59:[55, 85] Operation: 66+19=85 Exploring Operation: 19+55=74, Resulting Numbers: [66, 74] Generated Node #0,1,3: 59:[66, 74] Operation: 19+55=74 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 59:[55, 47], Operations: ['2+53=55', '66-19=47'] Exploring Operation: 55-47=8, Resulting Numbers: [8] 8,59 unequal: No Solution Exploring Operation: 55+47=102, Resulting Numbers: [102] 102,59 unequal: No Solution Exploring Operation: 55*47=2585, Resulting Numbers: [2585] 2585,59 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 59:[66, 74], Operations: ['2+53=55', '19+55=74'] Exploring Operation: 74-66=8, Resulting Numbers: [8] 8,59 unequal: No Solution Exploring Operation: 66+74=140, Resulting Numbers: [140] 140,59 unequal: No Solution Exploring Operation: 66*74=4884, Resulting Numbers: [4884] 4884,59 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 59:[66, 36], Operations: ['2+53=55', '55-19=36'] Exploring Operation: 66*36=2376, Resulting Numbers: [2376] 2376,59 unequal: No Solution Exploring Operation: 66+36=102, Resulting Numbers: [102] 102,59 unequal: No Solution Exploring Operation: 66-36=30, Resulting Numbers: [30] 30,59 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 59:[55, 85], Operations: ['2+53=55', '66+19=85'] Exploring Operation: 55*85=4675, Resulting Numbers: [4675] 4675,59 unequal: No Solution Exploring Operation: 85-55=30, Resulting Numbers: [30] 30,59 unequal: No Solution Exploring Operation: 55+85=140, Resulting Numbers: [140] 140,59 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 #0,2 Current State: 59:[53, 19, 64], Operations: ['66-2=64'] Exploring Operation: 19+64=83, Resulting Numbers: [53, 83] Generated Node #0,2,0: 59:[53, 83] Operation: 19+64=83 Exploring Operation: 64-19=45, Resulting Numbers: [53, 45] Generated Node #0,2,1: 59:[53, 45] Operation: 64-19=45 Exploring Operation: 53-19=34, Resulting Numbers: [64, 34] Generated Node #0,2,2: 59:[64, 34] Operation: 53-19=34 Exploring Operation: 53+19=72, Resulting Numbers: [64, 72] Generated Node #0,2,3: 59:[64, 72] Operation: 53+19=72 Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 59:[64, 72], Operations: ['66-2=64', '53+19=72'] Exploring Operation: 64*72=4608, Resulting Numbers: [4608] 4608,59 unequal: No Solution Exploring Operation: 72-64=8, Resulting Numbers: [8] 8,59 unequal: No Solution Exploring Operation: 64+72=136, Resulting Numbers: [136] 136,59 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 #0,2,1 Current State: 59:[53, 45], Operations: ['66-2=64', '64-19=45'] Exploring Operation: 53-45=8, Resulting Numbers: [8] 8,59 unequal: No Solution Exploring Operation: 53*45=2385, Resulting Numbers: [2385] 2385,59 unequal: No Solution Exploring Operation: 53+45=98, Resulting Numbers: [98] 98,59 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 #0,2,0 Current State: 59:[53, 83], Operations: ['66-2=64', '19+64=83'] Exploring Operation: 53*83=4399, Resulting Numbers: [4399] 4399,59 unequal: No Solution Exploring Operation: 83-53=30, Resulting Numbers: [30] 30,59 unequal: No Solution Exploring Operation: 53+83=136, Resulting Numbers: [136] 136,59 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 #0,2,2 Current State: 59:[64, 34], Operations: ['66-2=64', '53-19=34'] Exploring Operation: 64*34=2176, Resulting Numbers: [2176] 2176,59 unequal: No Solution Exploring Operation: 64-34=30, Resulting Numbers: [30] 30,59 unequal: No Solution Exploring Operation: 64+34=98, Resulting Numbers: [98] 98,59 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
sum_heuristic
[ 10, 94, 70, 20 ]
98
[ "10+70=80", "80/20=4", "94+4=98" ]
Current State: 98:[10, 94, 70, 20], Operations: [] Exploring Operation: 10+70=80, Resulting Numbers: [94, 20, 80] Generated Node #2: [94, 20, 80] from Operation: 10+70=80 Current State: 98:[94, 20, 80], Operations: ['10+70=80'] Exploring Operation: 80/20=4, Resulting Numbers: [94, 4] Generated Node #3: [94, 4] from Operation: 80/20=4 Current State: 98:[94, 4], Operations: ['10+70=80', '80/20=4'] Exploring Operation: 94+4=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
4
Current State: 98:[10, 94, 70, 20], Operations: [] Exploring Operation: 70/10=7, Resulting Numbers: [94, 20, 7] Generated Node #0,0: 98:[94, 20, 7] Operation: 70/10=7 Exploring Operation: 70-20=50, Resulting Numbers: [10, 94, 50] Generated Node #0,1: 98:[10, 94, 50] Operation: 70-20=50 Start Sub Search at level 1: Moving to Node #0,1 Current State: 98:[10, 94, 50], Operations: ['70-20=50'] Exploring Operation: 10+94=104, Resulting Numbers: [50, 104] Generated Node #0,1,0: 98:[50, 104] Operation: 10+94=104 Exploring Operation: 50/10=5, Resulting Numbers: [94, 5] Generated Node #0,1,1: 98:[94, 5] Operation: 50/10=5 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 98:[94, 5], Operations: ['70-20=50', '50/10=5'] Exploring Operation: 94+5=99, Resulting Numbers: [99] 99,98 unequal: No Solution Exploring Operation: 94-5=89, Resulting Numbers: [89] 89,98 unequal: No Solution No 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: 98:[50, 104], Operations: ['70-20=50', '10+94=104'] Exploring Operation: 50+104=154, Resulting Numbers: [154] 154,98 unequal: No Solution Exploring Operation: 104-50=54, Resulting Numbers: [54] 54,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 98:[94, 20, 7], Operations: ['70/10=7'] Exploring Operation: 94+7=101, Resulting Numbers: [20, 101] Generated Node #0,0,0: 98:[20, 101] Operation: 94+7=101 Exploring Operation: 20-7=13, Resulting Numbers: [94, 13] Generated Node #0,0,1: 98:[94, 13] Operation: 20-7=13 Moving to Node #0,0,1 Current State: 98:[94, 13], Operations: ['70/10=7', '20-7=13'] Exploring Operation: 94-13=81, Resulting Numbers: [81] 81,98 unequal: No Solution Exploring Operation: 94+13=107, Resulting Numbers: [107] 107,98 unequal: No Solution Moving to Node #0,0,0 Current State: 98:[20, 101], Operations: ['70/10=7', '94+7=101'] Exploring Operation: 20+101=121, Resulting Numbers: [121] 121,98 unequal: No Solution Exploring Operation: 101-20=81, Resulting Numbers: [81] 81,98 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 55, 85, 11, 10 ]
19
[ "55/11=5", "85+10=95", "95/5=19" ]
Current State: 19:[55, 85, 11, 10], Operations: [] Exploring Operation: 55/11=5, Resulting Numbers: [85, 10, 5] Generated Node #2: [85, 10, 5] from Operation: 55/11=5 Current State: 19:[85, 10, 5], Operations: ['55/11=5'] Exploring Operation: 85+10=95, Resulting Numbers: [5, 95] Generated Node #3: [5, 95] from Operation: 85+10=95 Current State: 19:[5, 95], Operations: ['55/11=5', '85+10=95'] Exploring Operation: 95/5=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
4
Current State: 19:[55, 85, 11, 10], Operations: [] Exploring Operation: 85-55=30, Resulting Numbers: [11, 10, 30] Generated Node #0,0: 19:[11, 10, 30] Operation: 85-55=30 Start Sub Search at level 1: Moving to Node #0,0 Current State: 19:[11, 10, 30], Operations: ['85-55=30'] Exploring Operation: 30-11=19, Resulting Numbers: [10, 19] Generated Node #0,0,0: 19:[10, 19] Operation: 30-11=19 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 19:[10, 19], Operations: ['85-55=30', '30-11=19'] Exploring Operation: 10+19=29, Resulting Numbers: [29] 29,19 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
[ 9, 51, 33, 85 ]
87
[ "51-33=18", "18/9=2", "85+2=87" ]
Current State: 87:[9, 51, 33, 85], Operations: [] Exploring Operation: 51-33=18, Resulting Numbers: [9, 85, 18] Generated Node #2: [9, 85, 18] from Operation: 51-33=18 Current State: 87:[9, 85, 18], Operations: ['51-33=18'] Exploring Operation: 18/9=2, Resulting Numbers: [85, 2] Generated Node #3: [85, 2] from Operation: 18/9=2 Current State: 87:[85, 2], Operations: ['51-33=18', '18/9=2'] Exploring Operation: 85+2=87, Resulting Numbers: [87] 87,87 equal: Goal Reached
4
Current State: 87:[9, 51, 33, 85], Operations: [] Exploring Operation: 51-9=42, Resulting Numbers: [33, 85, 42] Generated Node #0,0: 87:[33, 85, 42] Operation: 51-9=42 Exploring Operation: 51+33=84, Resulting Numbers: [9, 85, 84] Generated Node #0,1: 87:[9, 85, 84] Operation: 51+33=84 Exploring Operation: 85-51=34, Resulting Numbers: [9, 33, 34] Generated Node #0,2: 87:[9, 33, 34] Operation: 85-51=34 Start Sub Search at level 1: Moving to Node #0,1 Current State: 87:[9, 85, 84], Operations: ['51+33=84'] Exploring Operation: 9+85=94, Resulting Numbers: [84, 94] Generated Node #0,1,0: 87:[84, 94] Operation: 9+85=94 Exploring Operation: 85-84=1, Resulting Numbers: [9, 1] Generated Node #0,1,1: 87:[9, 1] Operation: 85-84=1 Exploring Operation: 9+84=93, Resulting Numbers: [85, 93] Generated Node #0,1,2: 87:[85, 93] Operation: 9+84=93 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 87:[9, 1], Operations: ['51+33=84', '85-84=1'] Exploring Operation: 9*1=9, Resulting Numbers: [9] 9,87 unequal: No Solution Exploring Operation: 9/1=9, Resulting Numbers: [9] 9,87 unequal: No Solution Exploring Operation: 9-1=8, Resulting Numbers: [8] 8,87 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 87:[85, 93], Operations: ['51+33=84', '9+84=93'] Exploring Operation: 85+93=178, Resulting Numbers: [178] 178,87 unequal: No Solution Exploring Operation: 85*93=7905, Resulting Numbers: [7905] 7905,87 unequal: No Solution Exploring Operation: 93-85=8, Resulting Numbers: [8] 8,87 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 87:[84, 94], Operations: ['51+33=84', '9+85=94'] Exploring Operation: 84*94=7896, Resulting Numbers: [7896] 7896,87 unequal: No Solution Exploring Operation: 84+94=178, Resulting Numbers: [178] 178,87 unequal: No Solution Exploring Operation: 94-84=10, Resulting Numbers: [10] 10,87 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 87:[9, 33, 34], Operations: ['85-51=34'] Exploring Operation: 33-9=24, Resulting Numbers: [34, 24] Generated Node #0,2,0: 87:[34, 24] Operation: 33-9=24 Exploring Operation: 34-33=1, Resulting Numbers: [9, 1] Generated Node #0,2,1: 87:[9, 1] Operation: 34-33=1 Exploring Operation: 34-9=25, Resulting Numbers: [33, 25] Generated Node #0,2,2: 87:[33, 25] Operation: 34-9=25 Moving to Node #0,2,1 Current State: 87:[9, 1], Operations: ['85-51=34', '34-33=1'] Exploring Operation: 9/1=9, Resulting Numbers: [9] 9,87 unequal: No Solution Exploring Operation: 9-1=8, Resulting Numbers: [8] 8,87 unequal: No Solution Exploring Operation: 9*1=9, Resulting Numbers: [9] 9,87 unequal: No Solution Moving to Node #0,2,2 Current State: 87:[33, 25], Operations: ['85-51=34', '34-9=25'] Exploring Operation: 33*25=825, Resulting Numbers: [825] 825,87 unequal: No Solution Exploring Operation: 33-25=8, Resulting Numbers: [8] 8,87 unequal: No Solution Exploring Operation: 33+25=58, Resulting Numbers: [58] 58,87 unequal: No Solution Moving to Node #0,2,0 Current State: 87:[34, 24], Operations: ['85-51=34', '33-9=24'] Exploring Operation: 34*24=816, Resulting Numbers: [816] 816,87 unequal: No Solution Exploring Operation: 34-24=10, Resulting Numbers: [10] 10,87 unequal: No Solution Exploring Operation: 34+24=58, Resulting Numbers: [58] 58,87 unequal: No Solution No 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: 87:[33, 85, 42], Operations: ['51-9=42'] Exploring Operation: 85-42=43, Resulting Numbers: [33, 43] Generated Node #0,0,0: 87:[33, 43] Operation: 85-42=43 Exploring Operation: 33+42=75, Resulting Numbers: [85, 75] Generated Node #0,0,1: 87:[85, 75] Operation: 33+42=75 Exploring Operation: 42-33=9, Resulting Numbers: [85, 9] Generated Node #0,0,2: 87:[85, 9] Operation: 42-33=9 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 87:[85, 9], Operations: ['51-9=42', '42-33=9'] Exploring Operation: 85*9=765, Resulting Numbers: [765] 765,87 unequal: No Solution Exploring Operation: 85-9=76, Resulting Numbers: [76] 76,87 unequal: No Solution Exploring Operation: 85+9=94, Resulting Numbers: [94] 94,87 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 87:[85, 75], Operations: ['51-9=42', '33+42=75'] Exploring Operation: 85*75=6375, Resulting Numbers: [6375] 6375,87 unequal: No Solution Exploring Operation: 85-75=10, Resulting Numbers: [10] 10,87 unequal: No Solution Exploring Operation: 85+75=160, Resulting Numbers: [160] 160,87 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 87:[33, 43], Operations: ['51-9=42', '85-42=43'] Exploring Operation: 33*43=1419, Resulting Numbers: [1419] 1419,87 unequal: No Solution Exploring Operation: 43-33=10, Resulting Numbers: [10] 10,87 unequal: No Solution Exploring Operation: 33+43=76, Resulting Numbers: [76] 76,87 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 72, 21, 7, 77 ]
70
[ "77-72=5", "21-7=14", "5*14=70" ]
Current State: 70:[72, 21, 7, 77], Operations: [] Exploring Operation: 77-72=5, Resulting Numbers: [21, 7, 5] Generated Node #2: [21, 7, 5] from Operation: 77-72=5 Current State: 70:[21, 7, 5], Operations: ['77-72=5'] Exploring Operation: 21-7=14, Resulting Numbers: [5, 14] Generated Node #3: [5, 14] from Operation: 21-7=14 Current State: 70:[5, 14], Operations: ['77-72=5', '21-7=14'] Exploring Operation: 5*14=70, Resulting Numbers: [70] 70,70 equal: Goal Reached
4
Current State: 70:[72, 21, 7, 77], Operations: [] Exploring Operation: 77-7=70, Resulting Numbers: [72, 21, 70] Generated Node #0,0: 70:[72, 21, 70] Operation: 77-7=70 Exploring Operation: 21/7=3, Resulting Numbers: [72, 77, 3] Generated Node #0,1: 70:[72, 77, 3] Operation: 21/7=3 Exploring Operation: 77-72=5, Resulting Numbers: [21, 7, 5] Generated Node #0,2: 70:[21, 7, 5] Operation: 77-72=5 Exploring Operation: 21-7=14, Resulting Numbers: [72, 77, 14] Generated Node #0,3: 70:[72, 77, 14] Operation: 21-7=14 Start Sub Search at level 1: Moving to Node #0,2 Current State: 70:[21, 7, 5], Operations: ['77-72=5'] Exploring Operation: 21/7=3, Resulting Numbers: [5, 3] Generated Node #0,2,0: 70:[5, 3] Operation: 21/7=3 Exploring Operation: 21-5=16, Resulting Numbers: [7, 16] Generated Node #0,2,1: 70:[7, 16] Operation: 21-5=16 Exploring Operation: 21+7=28, Resulting Numbers: [5, 28] Generated Node #0,2,2: 70:[5, 28] Operation: 21+7=28 Exploring Operation: 21-7=14, Resulting Numbers: [5, 14] Generated Node #0,2,3: 70:[5, 14] Operation: 21-7=14 Moving to Node #0,2,3 Current State: 70:[5, 14], Operations: ['77-72=5', '21-7=14'] Exploring Operation: 5+14=19, Resulting Numbers: [19] 19,70 unequal: No Solution Exploring Operation: 5*14=70, Resulting Numbers: [70] 70,70 equal: Goal Reached Moving to Node #0 Current State: 70:[72, 21, 7, 77], Operations: [] Exploring Operation: 77-72=5, Resulting Numbers: [21, 7, 5] Generated Node #0,2: 70:[21, 7, 5] Operation: 77-72=5 Moving to Node #0,2 Current State: 70:[21, 7, 5], Operations: ['77-72=5'] Exploring Operation: 21-7=14, Resulting Numbers: [5, 14] Generated Node #0,2,3: 70:[5, 14] Operation: 21-7=14 Moving to Node #0,2,3 Current State: 70:[5, 14], Operations: ['77-72=5', '21-7=14'] Exploring Operation: 5*14=70, Resulting Numbers: [70] 70,70 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_4
sum_heuristic
[ 6, 2, 69, 2 ]
85
[ "6+2=8", "2*8=16", "69+16=85" ]
Current State: 85:[6, 2, 69, 2], Operations: [] Exploring Operation: 6+2=8, Resulting Numbers: [69, 8] Generated Node #2: [69, 8] from Operation: 6+2=8 Current State: 85:[69, 8], Operations: ['6+2=8'] Exploring Operation: 2*8=16, Resulting Numbers: [69, 16] Generated Node #3: [69, 16] from Operation: 2*8=16 Current State: 85:[69, 16], Operations: ['6+2=8', '2*8=16'] Exploring Operation: 69+16=85, Resulting Numbers: [85] 85,85 equal: Goal Reached
4
Current State: 85:[6, 2, 69, 2], Operations: [] Exploring Operation: 2*2=4, Resulting Numbers: [6, 69, 4] Generated Node #0,0: 85:[6, 69, 4] Operation: 2*2=4 Exploring Operation: 69+2=71, Resulting Numbers: [6, 2, 71] Generated Node #0,1: 85:[6, 2, 71] Operation: 69+2=71 Exploring Operation: 2+2=4, Resulting Numbers: [6, 69, 4] Generated Node #0,2: 85:[6, 69, 4] Operation: 2+2=4 Exploring Operation: 6+69=75, Resulting Numbers: [2, 2, 75] Generated Node #0,3: 85:[2, 2, 75] Operation: 6+69=75 Exploring Operation: 2+69=71, Resulting Numbers: [6, 2, 71] Generated Node #0,4: 85:[6, 2, 71] Operation: 2+69=71 Start Sub Search at level 1: Moving to Node #0,3 Current State: 85:[2, 2, 75], Operations: ['6+69=75'] Exploring Operation: 2+2=4, Resulting Numbers: [75, 4] Generated Node #0,3,0: 85:[75, 4] Operation: 2+2=4 Exploring Operation: 2+75=77, Resulting Numbers: [2, 77] Generated Node #0,3,1: 85:[2, 77] Operation: 2+75=77 Exploring Operation: 2/2=1, Resulting Numbers: [75, 1] Generated Node #0,3,2: 85:[75, 1] Operation: 2/2=1 Exploring Operation: 2*2=4, Resulting Numbers: [75, 4] Generated Node #0,3,3: 85:[75, 4] Operation: 2*2=4 Exploring Operation: 2+75=77, Resulting Numbers: [2, 77] Generated Node #0,3,4: 85:[2, 77] Operation: 2+75=77 Moving to Node #0,3,0 Current State: 85:[75, 4], Operations: ['6+69=75', '2+2=4'] Exploring Operation: 75-4=71, Resulting Numbers: [71] 71,85 unequal: No Solution Exploring Operation: 75+4=79, Resulting Numbers: [79] 79,85 unequal: No Solution Exploring Operation: 75*4=300, Resulting Numbers: [300] 300,85 unequal: No Solution Moving to Node #0,3,3 Current State: 85:[75, 4], Operations: ['6+69=75', '2*2=4'] Exploring Operation: 75+4=79, Resulting Numbers: [79] 79,85 unequal: No Solution Exploring Operation: 75*4=300, Resulting Numbers: [300] 300,85 unequal: No Solution Exploring Operation: 75-4=71, Resulting Numbers: [71] 71,85 unequal: No Solution Moving to Node #0,3,1 Current State: 85:[2, 77], Operations: ['6+69=75', '2+75=77'] Exploring Operation: 2+77=79, Resulting Numbers: [79] 79,85 unequal: No Solution Exploring Operation: 2*77=154, Resulting Numbers: [154] 154,85 unequal: No Solution Exploring Operation: 77-2=75, Resulting Numbers: [75] 75,85 unequal: No Solution Moving to Node #0,3,4 Current State: 85:[2, 77], Operations: ['6+69=75', '2+75=77'] Exploring Operation: 77-2=75, Resulting Numbers: [75] 75,85 unequal: No Solution Exploring Operation: 2*77=154, Resulting Numbers: [154] 154,85 unequal: No Solution Exploring Operation: 2+77=79, Resulting Numbers: [79] 79,85 unequal: No Solution Moving to Node #0,3,2 Current State: 85:[75, 1], Operations: ['6+69=75', '2/2=1'] Exploring Operation: 75/1=75, Resulting Numbers: [75] 75,85 unequal: No Solution Exploring Operation: 75-1=74, Resulting Numbers: [74] 74,85 unequal: No Solution Exploring Operation: 75+1=76, Resulting Numbers: [76] 76,85 unequal: No Solution Exploring Operation: 75*1=75, Resulting Numbers: [75] 75,85 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 Current State: 85:[6, 69, 4], Operations: ['2*2=4'] Exploring Operation: 6+4=10, Resulting Numbers: [69, 10] Generated Node #0,0,0: 85:[69, 10] Operation: 6+4=10 Exploring Operation: 6+69=75, Resulting Numbers: [4, 75] Generated Node #0,0,1: 85:[4, 75] Operation: 6+69=75 Exploring Operation: 6-4=2, Resulting Numbers: [69, 2] Generated Node #0,0,2: 85:[69, 2] Operation: 6-4=2 Exploring Operation: 69+4=73, Resulting Numbers: [6, 73] Generated Node #0,0,3: 85:[6, 73] Operation: 69+4=73 Exploring Operation: 69-4=65, Resulting Numbers: [6, 65] Generated Node #0,0,4: 85:[6, 65] Operation: 69-4=65 Moving to Node #0,0,1 Current State: 85:[4, 75], Operations: ['2*2=4', '6+69=75'] Exploring Operation: 4*75=300, Resulting Numbers: [300] 300,85 unequal: No Solution Exploring Operation: 4+75=79, Resulting Numbers: [79] 79,85 unequal: No Solution Exploring Operation: 75-4=71, Resulting Numbers: [71] 71,85 unequal: No Solution Moving to Node #0,0,3 Current State: 85:[6, 73], Operations: ['2*2=4', '69+4=73'] Exploring Operation: 73-6=67, Resulting Numbers: [67] 67,85 unequal: No Solution Exploring Operation: 6*73=438, Resulting Numbers: [438] 438,85 unequal: No Solution Exploring Operation: 6+73=79, Resulting Numbers: [79] 79,85 unequal: No Solution Moving to Node #0,0,2 Current State: 85:[69, 2], Operations: ['2*2=4', '6-4=2'] Exploring Operation: 69+2=71, Resulting Numbers: [71] 71,85 unequal: No Solution Exploring Operation: 69*2=138, Resulting Numbers: [138] 138,85 unequal: No Solution Exploring Operation: 69-2=67, Resulting Numbers: [67] 67,85 unequal: No Solution Moving to Node #0,0,0 Current State: 85:[69, 10], Operations: ['2*2=4', '6+4=10'] Exploring Operation: 69+10=79, Resulting Numbers: [79] 79,85 unequal: No Solution Exploring Operation: 69-10=59, Resulting Numbers: [59] 59,85 unequal: No Solution Exploring Operation: 69*10=690, Resulting Numbers: [690] 690,85 unequal: No Solution Moving to Node #0,0,4 Current State: 85:[6, 65], Operations: ['2*2=4', '69-4=65'] Exploring Operation: 6*65=390, Resulting Numbers: [390] 390,85 unequal: No Solution Exploring Operation: 65-6=59, Resulting Numbers: [59] 59,85 unequal: No Solution Exploring Operation: 6+65=71, Resulting Numbers: [71] 71,85 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 #0,1 Current State: 85:[6, 2, 71], Operations: ['69+2=71'] Exploring Operation: 6-2=4, Resulting Numbers: [71, 4] Generated Node #0,1,0: 85:[71, 4] Operation: 6-2=4 Exploring Operation: 2+71=73, Resulting Numbers: [6, 73] Generated Node #0,1,1: 85:[6, 73] Operation: 2+71=73 Exploring Operation: 6+71=77, Resulting Numbers: [2, 77] Generated Node #0,1,2: 85:[2, 77] Operation: 6+71=77 Exploring Operation: 6+2=8, Resulting Numbers: [71, 8] Generated Node #0,1,3: 85:[71, 8] Operation: 6+2=8 Exploring Operation: 6/2=3, Resulting Numbers: [71, 3] Generated Node #0,1,4: 85:[71, 3] Operation: 6/2=3 Moving to Node #0,1,2 Current State: 85:[2, 77], Operations: ['69+2=71', '6+71=77'] Exploring Operation: 77-2=75, Resulting Numbers: [75] 75,85 unequal: No Solution Exploring Operation: 2*77=154, Resulting Numbers: [154] 154,85 unequal: No Solution Exploring Operation: 2+77=79, Resulting Numbers: [79] 79,85 unequal: No Solution Moving to Node #0,1,1 Current State: 85:[6, 73], Operations: ['69+2=71', '2+71=73'] Exploring Operation: 73-6=67, Resulting Numbers: [67] 67,85 unequal: No Solution Exploring Operation: 6*73=438, Resulting Numbers: [438] 438,85 unequal: No Solution Exploring Operation: 6+73=79, Resulting Numbers: [79] 79,85 unequal: No Solution Moving to Node #0,1,0 Current State: 85:[71, 4], Operations: ['69+2=71', '6-2=4'] Exploring Operation: 71+4=75, Resulting Numbers: [75] 75,85 unequal: No Solution Exploring Operation: 71-4=67, Resulting Numbers: [67] 67,85 unequal: No Solution Exploring Operation: 71*4=284, Resulting Numbers: [284] 284,85 unequal: No Solution Moving to Node #0,1,4 Current State: 85:[71, 3], Operations: ['69+2=71', '6/2=3'] Exploring Operation: 71+3=74, Resulting Numbers: [74] 74,85 unequal: No Solution Exploring Operation: 71*3=213, Resulting Numbers: [213] 213,85 unequal: No Solution Exploring Operation: 71-3=68, Resulting Numbers: [68] 68,85 unequal: No Solution Moving to Node #0,1,3 Current State: 85:[71, 8], Operations: ['69+2=71', '6+2=8'] Exploring Operation: 71+8=79, Resulting Numbers: [79] 79,85 unequal: No Solution Exploring Operation: 71*8=568, Resulting Numbers: [568] 568,85 unequal: No Solution Exploring Operation: 71-8=63, Resulting Numbers: [63] 63,85 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 85:[6, 69, 4], Operations: ['2+2=4'] Exploring Operation: 6+69=75, Resulting Numbers: [4, 75] Generated Node #0,2,0: 85:[4, 75] Operation: 6+69=75 Exploring Operation: 69-4=65, Resulting Numbers: [6, 65] Generated Node #0,2,1: 85:[6, 65] Operation: 69-4=65 Exploring Operation: 6+4=10, Resulting Numbers: [69, 10] Generated Node #0,2,2: 85:[69, 10] Operation: 6+4=10 Exploring Operation: 69+4=73, Resulting Numbers: [6, 73] Generated Node #0,2,3: 85:[6, 73] Operation: 69+4=73 Exploring Operation: 6-4=2, Resulting Numbers: [69, 2] Generated Node #0,2,4: 85:[69, 2] Operation: 6-4=2 Moving to Node #0,2,0 Current State: 85:[4, 75], Operations: ['2+2=4', '6+69=75'] Exploring Operation: 75-4=71, Resulting Numbers: [71] 71,85 unequal: No Solution Exploring Operation: 4*75=300, Resulting Numbers: [300] 300,85 unequal: No Solution Exploring Operation: 4+75=79, Resulting Numbers: [79] 79,85 unequal: No Solution Moving to Node #0,2,3 Current State: 85:[6, 73], Operations: ['2+2=4', '69+4=73'] Exploring Operation: 73-6=67, Resulting Numbers: [67] 67,85 unequal: No Solution Exploring Operation: 6+73=79, Resulting Numbers: [79] 79,85 unequal: No Solution Exploring Operation: 6*73=438, Resulting Numbers: [438] 438,85 unequal: No Solution Moving to Node #0,2,4 Current State: 85:[69, 2], Operations: ['2+2=4', '6-4=2'] Exploring Operation: 69*2=138, Resulting Numbers: [138] 138,85 unequal: No Solution Exploring Operation: 69+2=71, Resulting Numbers: [71] 71,85 unequal: No Solution Exploring Operation: 69-2=67, Resulting Numbers: [67] 67,85 unequal: No Solution Moving to Node #0,2,1 Current State: 85:[6, 65], Operations: ['2+2=4', '69-4=65'] Exploring Operation: 65-6=59, Resulting Numbers: [59] 59,85 unequal: No Solution Exploring Operation: 6*65=390, Resulting Numbers: [390] 390,85 unequal: No Solution Exploring Operation: 6+65=71, Resulting Numbers: [71] 71,85 unequal: No Solution Moving to Node #0,2,2 Current State: 85:[69, 10], Operations: ['2+2=4', '6+4=10'] Exploring Operation: 69-10=59, Resulting Numbers: [59] 59,85 unequal: No Solution Exploring Operation: 69+10=79, Resulting Numbers: [79] 79,85 unequal: No Solution Exploring Operation: 69*10=690, Resulting Numbers: [690] 690,85 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 #0,4 Current State: 85:[6, 2, 71], Operations: ['2+69=71'] Exploring Operation: 2+71=73, Resulting Numbers: [6, 73] Generated Node #0,4,0: 85:[6, 73] Operation: 2+71=73 Exploring Operation: 6+2=8, Resulting Numbers: [71, 8] Generated Node #0,4,1: 85:[71, 8] Operation: 6+2=8 Exploring Operation: 6/2=3, Resulting Numbers: [71, 3] Generated Node #0,4,2: 85:[71, 3] Operation: 6/2=3 Exploring Operation: 6-2=4, Resulting Numbers: [71, 4] Generated Node #0,4,3: 85:[71, 4] Operation: 6-2=4 Exploring Operation: 6+71=77, Resulting Numbers: [2, 77] Generated Node #0,4,4: 85:[2, 77] Operation: 6+71=77 Moving to Node #0,4,4 Current State: 85:[2, 77], Operations: ['2+69=71', '6+71=77'] Exploring Operation: 77-2=75, Resulting Numbers: [75] 75,85 unequal: No Solution Exploring Operation: 2*77=154, Resulting Numbers: [154] 154,85 unequal: No Solution Exploring Operation: 2+77=79, Resulting Numbers: [79] 79,85 unequal: No Solution Moving to Node #0,4,0 Current State: 85:[6, 73], Operations: ['2+69=71', '2+71=73'] Exploring Operation: 6*73=438, Resulting Numbers: [438] 438,85 unequal: No Solution Exploring Operation: 73-6=67, Resulting Numbers: [67] 67,85 unequal: No Solution Exploring Operation: 6+73=79, Resulting Numbers: [79] 79,85 unequal: No Solution Moving to Node #0,4,3 Current State: 85:[71, 4], Operations: ['2+69=71', '6-2=4'] Exploring Operation: 71*4=284, Resulting Numbers: [284] 284,85 unequal: No Solution Exploring Operation: 71-4=67, Resulting Numbers: [67] 67,85 unequal: No Solution Exploring Operation: 71+4=75, Resulting Numbers: [75] 75,85 unequal: No Solution Moving to Node #0,4,2 Current State: 85:[71, 3], Operations: ['2+69=71', '6/2=3'] Exploring Operation: 71+3=74, Resulting Numbers: [74] 74,85 unequal: No Solution Exploring Operation: 71-3=68, Resulting Numbers: [68] 68,85 unequal: No Solution Exploring Operation: 71*3=213, Resulting Numbers: [213] 213,85 unequal: No Solution Moving to Node #0,4,1 Current State: 85:[71, 8], Operations: ['2+69=71', '6+2=8'] Exploring Operation: 71*8=568, Resulting Numbers: [568] 568,85 unequal: No Solution Exploring Operation: 71-8=63, Resulting Numbers: [63] 63,85 unequal: No Solution Exploring Operation: 71+8=79, Resulting Numbers: [79] 79,85 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
[ 79, 56, 19, 49 ]
28
[ "79+19=98", "56*49=2744", "2744/98=28" ]
Current State: 28:[79, 56, 19, 49], Operations: [] Exploring Operation: 79+19=98, Resulting Numbers: [56, 49, 98] Generated Node #2: [56, 49, 98] from Operation: 79+19=98 Current State: 28:[56, 49, 98], Operations: ['79+19=98'] Exploring Operation: 56*49=2744, Resulting Numbers: [98, 2744] Generated Node #3: [98, 2744] from Operation: 56*49=2744 Current State: 28:[98, 2744], Operations: ['79+19=98', '56*49=2744'] Exploring Operation: 2744/98=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
4
Current State: 28:[79, 56, 19, 49], Operations: [] Exploring Operation: 56-49=7, Resulting Numbers: [79, 19, 7] Generated Node #0,0: 28:[79, 19, 7] Operation: 56-49=7 Exploring Operation: 79-49=30, Resulting Numbers: [56, 19, 30] Generated Node #0,1: 28:[56, 19, 30] Operation: 79-49=30 Exploring Operation: 79-56=23, Resulting Numbers: [19, 49, 23] Generated Node #0,2: 28:[19, 49, 23] Operation: 79-56=23 Exploring Operation: 79-19=60, Resulting Numbers: [56, 49, 60] Generated Node #0,3: 28:[56, 49, 60] Operation: 79-19=60 Start Sub Search at level 1: Moving to Node #0,2 Current State: 28:[19, 49, 23], Operations: ['79-56=23'] Exploring Operation: 19+23=42, Resulting Numbers: [49, 42] Generated Node #0,2,0: 28:[49, 42] Operation: 19+23=42 Exploring Operation: 49-23=26, Resulting Numbers: [19, 26] Generated Node #0,2,1: 28:[19, 26] Operation: 49-23=26 Exploring Operation: 23-19=4, Resulting Numbers: [49, 4] Generated Node #0,2,2: 28:[49, 4] Operation: 23-19=4 Exploring Operation: 49-19=30, Resulting Numbers: [23, 30] Generated Node #0,2,3: 28:[23, 30] Operation: 49-19=30 Moving to Node #0,2,1 Current State: 28:[19, 26], Operations: ['79-56=23', '49-23=26'] Exploring Operation: 19*26=494, Resulting Numbers: [494] 494,28 unequal: No Solution Exploring Operation: 19+26=45, Resulting Numbers: [45] 45,28 unequal: No Solution Exploring Operation: 26-19=7, Resulting Numbers: [7] 7,28 unequal: No Solution Moving to Node #0,2,3 Current State: 28:[23, 30], Operations: ['79-56=23', '49-19=30'] Exploring Operation: 23+30=53, Resulting Numbers: [53] 53,28 unequal: No Solution Exploring Operation: 30-23=7, Resulting Numbers: [7] 7,28 unequal: No Solution Exploring Operation: 23*30=690, Resulting Numbers: [690] 690,28 unequal: No Solution Moving to Node #0,2,2 Current State: 28:[49, 4], Operations: ['79-56=23', '23-19=4'] Exploring Operation: 49-4=45, Resulting Numbers: [45] 45,28 unequal: No Solution Exploring Operation: 49*4=196, Resulting Numbers: [196] 196,28 unequal: No Solution Exploring Operation: 49+4=53, Resulting Numbers: [53] 53,28 unequal: No Solution Moving to Node #0,2,0 Current State: 28:[49, 42], Operations: ['79-56=23', '19+23=42'] Exploring Operation: 49*42=2058, Resulting Numbers: [2058] 2058,28 unequal: No Solution Exploring Operation: 49-42=7, Resulting Numbers: [7] 7,28 unequal: No Solution Exploring Operation: 49+42=91, Resulting Numbers: [91] 91,28 unequal: No Solution No 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: 28:[56, 19, 30], Operations: ['79-49=30'] Exploring Operation: 30-19=11, Resulting Numbers: [56, 11] Generated Node #0,1,0: 28:[56, 11] Operation: 30-19=11 Exploring Operation: 56-30=26, Resulting Numbers: [19, 26] Generated Node #0,1,1: 28:[19, 26] Operation: 56-30=26 Exploring Operation: 56-19=37, Resulting Numbers: [30, 37] Generated Node #0,1,2: 28:[30, 37] Operation: 56-19=37 Exploring Operation: 56+19=75, Resulting Numbers: [30, 75] Generated Node #0,1,3: 28:[30, 75] Operation: 56+19=75 Moving to Node #0,1,1 Current State: 28:[19, 26], Operations: ['79-49=30', '56-30=26'] Exploring Operation: 26-19=7, Resulting Numbers: [7] 7,28 unequal: No Solution Exploring Operation: 19*26=494, Resulting Numbers: [494] 494,28 unequal: No Solution Exploring Operation: 19+26=45, Resulting Numbers: [45] 45,28 unequal: No Solution Moving to Node #0,1,2 Current State: 28:[30, 37], Operations: ['79-49=30', '56-19=37'] Exploring Operation: 30+37=67, Resulting Numbers: [67] 67,28 unequal: No Solution Exploring Operation: 37-30=7, Resulting Numbers: [7] 7,28 unequal: No Solution Exploring Operation: 30*37=1110, Resulting Numbers: [1110] 1110,28 unequal: No Solution Moving to Node #0,1,0 Current State: 28:[56, 11], Operations: ['79-49=30', '30-19=11'] Exploring Operation: 56*11=616, Resulting Numbers: [616] 616,28 unequal: No Solution Exploring Operation: 56+11=67, Resulting Numbers: [67] 67,28 unequal: No Solution Exploring Operation: 56-11=45, Resulting Numbers: [45] 45,28 unequal: No Solution Moving to Node #0,1,3 Current State: 28:[30, 75], Operations: ['79-49=30', '56+19=75'] Exploring Operation: 75-30=45, Resulting Numbers: [45] 45,28 unequal: No Solution Exploring Operation: 30+75=105, Resulting Numbers: [105] 105,28 unequal: No Solution Exploring Operation: 30*75=2250, Resulting Numbers: [2250] 2250,28 unequal: No Solution No 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: 28:[79, 19, 7], Operations: ['56-49=7'] Exploring Operation: 79-19=60, Resulting Numbers: [7, 60] Generated Node #0,0,0: 28:[7, 60] Operation: 79-19=60 Exploring Operation: 79-7=72, Resulting Numbers: [19, 72] Generated Node #0,0,1: 28:[19, 72] Operation: 79-7=72 Exploring Operation: 19-7=12, Resulting Numbers: [79, 12] Generated Node #0,0,2: 28:[79, 12] Operation: 19-7=12 Exploring Operation: 19+7=26, Resulting Numbers: [79, 26] Generated Node #0,0,3: 28:[79, 26] Operation: 19+7=26 Moving to Node #0,0,0 Current State: 28:[7, 60], Operations: ['56-49=7', '79-19=60'] Exploring Operation: 60-7=53, Resulting Numbers: [53] 53,28 unequal: No Solution Exploring Operation: 7+60=67, Resulting Numbers: [67] 67,28 unequal: No Solution Exploring Operation: 7*60=420, Resulting Numbers: [420] 420,28 unequal: No Solution Moving to Node #0,0,1 Current State: 28:[19, 72], Operations: ['56-49=7', '79-7=72'] Exploring Operation: 19+72=91, Resulting Numbers: [91] 91,28 unequal: No Solution Exploring Operation: 19*72=1368, Resulting Numbers: [1368] 1368,28 unequal: No Solution Exploring Operation: 72-19=53, Resulting Numbers: [53] 53,28 unequal: No Solution Moving to Node #0,0,3 Current State: 28:[79, 26], Operations: ['56-49=7', '19+7=26'] Exploring Operation: 79-26=53, Resulting Numbers: [53] 53,28 unequal: No Solution Exploring Operation: 79+26=105, Resulting Numbers: [105] 105,28 unequal: No Solution Exploring Operation: 79*26=2054, Resulting Numbers: [2054] 2054,28 unequal: No Solution Moving to Node #0,0,2 Current State: 28:[79, 12], Operations: ['56-49=7', '19-7=12'] Exploring Operation: 79+12=91, Resulting Numbers: [91] 91,28 unequal: No Solution Exploring Operation: 79*12=948, Resulting Numbers: [948] 948,28 unequal: No Solution Exploring Operation: 79-12=67, Resulting Numbers: [67] 67,28 unequal: No Solution No 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: 28:[56, 49, 60], Operations: ['79-19=60'] Exploring Operation: 56+49=105, Resulting Numbers: [60, 105] Generated Node #0,3,0: 28:[60, 105] Operation: 56+49=105 Exploring Operation: 60-56=4, Resulting Numbers: [49, 4] Generated Node #0,3,1: 28:[49, 4] Operation: 60-56=4 Exploring Operation: 60-49=11, Resulting Numbers: [56, 11] Generated Node #0,3,2: 28:[56, 11] Operation: 60-49=11 Exploring Operation: 56-49=7, Resulting Numbers: [60, 7] Generated Node #0,3,3: 28:[60, 7] Operation: 56-49=7 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 28:[49, 4], Operations: ['79-19=60', '60-56=4'] Exploring Operation: 49+4=53, Resulting Numbers: [53] 53,28 unequal: No Solution Exploring Operation: 49-4=45, Resulting Numbers: [45] 45,28 unequal: No Solution Exploring Operation: 49*4=196, Resulting Numbers: [196] 196,28 unequal: No Solution No 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: 28:[56, 11], Operations: ['79-19=60', '60-49=11'] Exploring Operation: 56-11=45, Resulting Numbers: [45] 45,28 unequal: No Solution Exploring Operation: 56*11=616, Resulting Numbers: [616] 616,28 unequal: No Solution Exploring Operation: 56+11=67, Resulting Numbers: [67] 67,28 unequal: No Solution No 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: 28:[60, 7], Operations: ['79-19=60', '56-49=7'] Exploring Operation: 60+7=67, Resulting Numbers: [67] 67,28 unequal: No Solution Exploring Operation: 60-7=53, Resulting Numbers: [53] 53,28 unequal: No Solution Exploring Operation: 60*7=420, Resulting Numbers: [420] 420,28 unequal: No Solution No 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: 28:[60, 105], Operations: ['79-19=60', '56+49=105'] Exploring Operation: 60+105=165, Resulting Numbers: [165] 165,28 unequal: No Solution Exploring Operation: 60*105=6300, Resulting Numbers: [6300] 6300,28 unequal: No Solution Exploring Operation: 105-60=45, Resulting Numbers: [45] 45,28 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_4
mult_heuristic
[ 95, 28, 32, 71 ]
96
[ "95-71=24", "32-28=4", "24*4=96" ]
Current State: 96:[95, 28, 32, 71], Operations: [] Exploring Operation: 95-71=24, Resulting Numbers: [28, 32, 24] Generated Node #2: [28, 32, 24] from Operation: 95-71=24 Current State: 96:[28, 32, 24], Operations: ['95-71=24'] Exploring Operation: 32-28=4, Resulting Numbers: [24, 4] Generated Node #3: [24, 4] from Operation: 32-28=4 Current State: 96:[24, 4], Operations: ['95-71=24', '32-28=4'] Exploring Operation: 24*4=96, Resulting Numbers: [96] 96,96 equal: Goal Reached
4
Current State: 96:[95, 28, 32, 71], Operations: [] Exploring Operation: 95-71=24, Resulting Numbers: [28, 32, 24] Generated Node #0,0: 96:[28, 32, 24] Operation: 95-71=24 Exploring Operation: 28+71=99, Resulting Numbers: [95, 32, 99] Generated Node #0,1: 96:[95, 32, 99] Operation: 28+71=99 Moving to Node #0,0 Current State: 96:[28, 32, 24], Operations: ['95-71=24'] Exploring Operation: 32-28=4, Resulting Numbers: [24, 4] Generated Node #0,0,0: 96:[24, 4] Operation: 32-28=4 Exploring Operation: 28-24=4, Resulting Numbers: [32, 4] Generated Node #0,0,1: 96:[32, 4] Operation: 28-24=4 Moving to Node #0,1 Current State: 96:[95, 32, 99], Operations: ['28+71=99'] Exploring Operation: 95-32=63, Resulting Numbers: [99, 63] Generated Node #0,1,0: 96:[99, 63] Operation: 95-32=63 Exploring Operation: 99-95=4, Resulting Numbers: [32, 4] Generated Node #0,1,1: 96:[32, 4] Operation: 99-95=4 Moving to Node #0,0,0 Current State: 96:[24, 4], Operations: ['95-71=24', '32-28=4'] Exploring Operation: 24*4=96, Resulting Numbers: [96] 96,96 equal: Goal Reached Moving to Node #0 Current State: 96:[95, 28, 32, 71], Operations: [] Exploring Operation: 95-71=24, Resulting Numbers: [28, 32, 24] Generated Node #0,0: 96:[28, 32, 24] Operation: 95-71=24 Moving to Node #0,0 Current State: 96:[28, 32, 24], Operations: ['95-71=24'] Exploring Operation: 32-28=4, Resulting Numbers: [24, 4] Generated Node #0,0,0: 96:[24, 4] Operation: 32-28=4 Moving to Node #0,0,0 Current State: 96:[24, 4], Operations: ['95-71=24', '32-28=4'] Exploring Operation: 24*4=96, Resulting Numbers: [96] 96,96 equal: Goal Reached
0.990451
hs_2
mult_heuristic
[ 11, 26, 22, 7 ]
31
[ "22/11=2", "26+7=33", "33-2=31" ]
Current State: 31:[11, 26, 22, 7], Operations: [] Exploring Operation: 22/11=2, Resulting Numbers: [26, 7, 2] Generated Node #2: [26, 7, 2] from Operation: 22/11=2 Current State: 31:[26, 7, 2], Operations: ['22/11=2'] Exploring Operation: 26+7=33, Resulting Numbers: [2, 33] Generated Node #3: [2, 33] from Operation: 26+7=33 Current State: 31:[2, 33], Operations: ['22/11=2', '26+7=33'] Exploring Operation: 33-2=31, Resulting Numbers: [31] 31,31 equal: Goal Reached
4
Current State: 31:[11, 26, 22, 7], Operations: [] Exploring Operation: 11+7=18, Resulting Numbers: [26, 22, 18] Generated Node #0,0: 31:[26, 22, 18] Operation: 11+7=18 Exploring Operation: 22+7=29, Resulting Numbers: [11, 26, 29] Generated Node #0,1: 31:[11, 26, 29] Operation: 22+7=29 Start Sub Search at level 1: Moving to Node #0,0 Current State: 31:[26, 22, 18], Operations: ['11+7=18'] Exploring Operation: 22+18=40, Resulting Numbers: [26, 40] Generated Node #0,0,0: 31:[26, 40] Operation: 22+18=40 Exploring Operation: 26+18=44, Resulting Numbers: [22, 44] Generated Node #0,0,1: 31:[22, 44] Operation: 26+18=44 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 31:[26, 40], Operations: ['11+7=18', '22+18=40'] Exploring Operation: 26+40=66, Resulting Numbers: [66] 66,31 unequal: No Solution Exploring Operation: 40-26=14, Resulting Numbers: [14] 14,31 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 31:[22, 44], Operations: ['11+7=18', '26+18=44'] Exploring Operation: 44/22=2, Resulting Numbers: [2] 2,31 unequal: No Solution Exploring Operation: 44-22=22, Resulting Numbers: [22] 22,31 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 31:[11, 26, 29], Operations: ['22+7=29'] Exploring Operation: 11+29=40, Resulting Numbers: [26, 40] Generated Node #0,1,0: 31:[26, 40] Operation: 11+29=40 Exploring Operation: 11+26=37, Resulting Numbers: [29, 37] Generated Node #0,1,1: 31:[29, 37] Operation: 11+26=37 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 31:[29, 37], Operations: ['22+7=29', '11+26=37'] Exploring Operation: 29+37=66, Resulting Numbers: [66] 66,31 unequal: No Solution Exploring Operation: 37-29=8, Resulting Numbers: [8] 8,31 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 31:[26, 40], Operations: ['22+7=29', '11+29=40'] Exploring Operation: 26+40=66, Resulting Numbers: [66] 66,31 unequal: No Solution Exploring Operation: 40-26=14, Resulting Numbers: [14] 14,31 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 82, 73, 10, 97 ]
96
[ "82-73=9", "97-10=87", "9+87=96" ]
Current State: 96:[82, 73, 10, 97], Operations: [] Exploring Operation: 82-73=9, Resulting Numbers: [10, 97, 9] Generated Node #2: [10, 97, 9] from Operation: 82-73=9 Current State: 96:[10, 97, 9], Operations: ['82-73=9'] Exploring Operation: 97-10=87, Resulting Numbers: [9, 87] Generated Node #3: [9, 87] from Operation: 97-10=87 Current State: 96:[9, 87], Operations: ['82-73=9', '97-10=87'] Exploring Operation: 9+87=96, Resulting Numbers: [96] 96,96 equal: Goal Reached
4
Current State: 96:[82, 73, 10, 97], Operations: [] Exploring Operation: 82-73=9, Resulting Numbers: [10, 97, 9] Generated Node #0,0: 96:[10, 97, 9] Operation: 82-73=9 Exploring Operation: 97-82=15, Resulting Numbers: [73, 10, 15] Generated Node #0,1: 96:[73, 10, 15] Operation: 97-82=15 Exploring Operation: 97-73=24, Resulting Numbers: [82, 10, 24] Generated Node #0,2: 96:[82, 10, 24] Operation: 97-73=24 Moving to Node #0,0 Current State: 96:[10, 97, 9], Operations: ['82-73=9'] Exploring Operation: 10-9=1, Resulting Numbers: [97, 1] Generated Node #0,0,0: 96:[97, 1] Operation: 10-9=1 Exploring Operation: 10+9=19, Resulting Numbers: [97, 19] Generated Node #0,0,1: 96:[97, 19] Operation: 10+9=19 Exploring Operation: 10*9=90, Resulting Numbers: [97, 90] Generated Node #0,0,2: 96:[97, 90] Operation: 10*9=90 Moving to Node #0,2 Current State: 96:[82, 10, 24], Operations: ['97-73=24'] Exploring Operation: 82-24=58, Resulting Numbers: [10, 58] Generated Node #0,2,0: 96:[10, 58] Operation: 82-24=58 Exploring Operation: 82+10=92, Resulting Numbers: [24, 92] Generated Node #0,2,1: 96:[24, 92] Operation: 82+10=92 Exploring Operation: 82+24=106, Resulting Numbers: [10, 106] Generated Node #0,2,2: 96:[10, 106] Operation: 82+24=106 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 96:[24, 92], Operations: ['97-73=24', '82+10=92'] Exploring Operation: 24+92=116, Resulting Numbers: [116] 116,96 unequal: No Solution Exploring Operation: 24*92=2208, Resulting Numbers: [2208] 2208,96 unequal: No Solution Exploring Operation: 92-24=68, Resulting Numbers: [68] 68,96 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 96:[10, 58], Operations: ['97-73=24', '82-24=58'] Exploring Operation: 10*58=580, Resulting Numbers: [580] 580,96 unequal: No Solution Exploring Operation: 58-10=48, Resulting Numbers: [48] 48,96 unequal: No Solution Exploring Operation: 10+58=68, Resulting Numbers: [68] 68,96 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 96:[10, 106], Operations: ['97-73=24', '82+24=106'] Exploring Operation: 10+106=116, Resulting Numbers: [116] 116,96 unequal: No Solution Exploring Operation: 10*106=1060, Resulting Numbers: [1060] 1060,96 unequal: No Solution Exploring Operation: 106-10=96, Resulting Numbers: [96] 96,96 equal: Goal Reached Moving to Node #0 Current State: 96:[82, 73, 10, 97], Operations: [] Exploring Operation: 97-73=24, Resulting Numbers: [82, 10, 24] Generated Node #0,2: 96:[82, 10, 24] Operation: 97-73=24 Moving to Node #0,2 Current State: 96:[82, 10, 24], Operations: ['97-73=24'] Exploring Operation: 82+24=106, Resulting Numbers: [10, 106] Generated Node #0,2,2: 96:[10, 106] Operation: 82+24=106 Moving to Node #0,2,2 Current State: 96:[10, 106], Operations: ['97-73=24', '82+24=106'] Exploring Operation: 106-10=96, Resulting Numbers: [96] 96,96 equal: Goal Reached Exit Sub Search at level 1
0.980903
hs_3
sum_heuristic
[ 7, 22, 53, 27 ]
41
[ "22-7=15", "53-27=26", "15+26=41" ]
Current State: 41:[7, 22, 53, 27], Operations: [] Exploring Operation: 22-7=15, Resulting Numbers: [53, 27, 15] Generated Node #2: [53, 27, 15] from Operation: 22-7=15 Current State: 41:[53, 27, 15], Operations: ['22-7=15'] Exploring Operation: 53-27=26, Resulting Numbers: [15, 26] Generated Node #3: [15, 26] from Operation: 53-27=26 Current State: 41:[15, 26], Operations: ['22-7=15', '53-27=26'] Exploring Operation: 15+26=41, Resulting Numbers: [41] 41,41 equal: Goal Reached
4
Current State: 41:[7, 22, 53, 27], Operations: [] Exploring Operation: 53-7=46, Resulting Numbers: [22, 27, 46] Generated Node #0,0: 41:[22, 27, 46] Operation: 53-7=46 Exploring Operation: 7+22=29, Resulting Numbers: [53, 27, 29] Generated Node #0,1: 41:[53, 27, 29] Operation: 7+22=29 Moving to Node #0,0 Current State: 41:[22, 27, 46], Operations: ['53-7=46'] Exploring Operation: 46-22=24, Resulting Numbers: [27, 24] Generated Node #0,0,0: 41:[27, 24] Operation: 46-22=24 Exploring Operation: 22+27=49, Resulting Numbers: [46, 49] Generated Node #0,0,1: 41:[46, 49] Operation: 22+27=49 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 41:[46, 49], Operations: ['53-7=46', '22+27=49'] Exploring Operation: 49-46=3, Resulting Numbers: [3] 3,41 unequal: No Solution Exploring Operation: 46+49=95, Resulting Numbers: [95] 95,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 41:[27, 24], Operations: ['53-7=46', '46-22=24'] Exploring Operation: 27+24=51, Resulting Numbers: [51] 51,41 unequal: No Solution Exploring Operation: 27-24=3, Resulting Numbers: [3] 3,41 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: 41:[53, 27, 29], Operations: ['7+22=29'] Exploring Operation: 27+29=56, Resulting Numbers: [53, 56] Generated Node #0,1,0: 41:[53, 56] Operation: 27+29=56 Exploring Operation: 53-27=26, Resulting Numbers: [29, 26] Generated Node #0,1,1: 41:[29, 26] Operation: 53-27=26 Moving to Node #0,1,0 Current State: 41:[53, 56], Operations: ['7+22=29', '27+29=56'] Exploring Operation: 56-53=3, Resulting Numbers: [3] 3,41 unequal: No Solution Exploring Operation: 53+56=109, Resulting Numbers: [109] 109,41 unequal: No Solution Moving to Node #0,1,1 Current State: 41:[29, 26], Operations: ['7+22=29', '53-27=26'] Exploring Operation: 29-26=3, Resulting Numbers: [3] 3,41 unequal: No Solution Exploring Operation: 29+26=55, Resulting Numbers: [55] 55,41 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 14, 9, 7, 67 ]
49
[ "14*9=126", "126/7=18", "67-18=49" ]
Current State: 49:[14, 9, 7, 67], Operations: [] Exploring Operation: 14*9=126, Resulting Numbers: [7, 67, 126] Generated Node #2: [7, 67, 126] from Operation: 14*9=126 Current State: 49:[7, 67, 126], Operations: ['14*9=126'] Exploring Operation: 126/7=18, Resulting Numbers: [67, 18] Generated Node #3: [67, 18] from Operation: 126/7=18 Current State: 49:[67, 18], Operations: ['14*9=126', '126/7=18'] Exploring Operation: 67-18=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
4
Current State: 49:[14, 9, 7, 67], Operations: [] Exploring Operation: 67-9=58, Resulting Numbers: [14, 7, 58] Generated Node #0,0: 49:[14, 7, 58] Operation: 67-9=58 Exploring Operation: 14-9=5, Resulting Numbers: [7, 67, 5] Generated Node #0,1: 49:[7, 67, 5] Operation: 14-9=5 Exploring Operation: 67-14=53, Resulting Numbers: [9, 7, 53] Generated Node #0,2: 49:[9, 7, 53] Operation: 67-14=53 Moving to Node #0,2 Current State: 49:[9, 7, 53], Operations: ['67-14=53'] Exploring Operation: 53-7=46, Resulting Numbers: [9, 46] Generated Node #0,2,0: 49:[9, 46] Operation: 53-7=46 Exploring Operation: 53-9=44, Resulting Numbers: [7, 44] Generated Node #0,2,1: 49:[7, 44] Operation: 53-9=44 Exploring Operation: 9-7=2, Resulting Numbers: [53, 2] Generated Node #0,2,2: 49:[53, 2] Operation: 9-7=2 Moving to Node #0,0 Current State: 49:[14, 7, 58], Operations: ['67-9=58'] Exploring Operation: 14-7=7, Resulting Numbers: [58, 7] Generated Node #0,0,0: 49:[58, 7] Operation: 14-7=7 Exploring Operation: 58-14=44, Resulting Numbers: [7, 44] Generated Node #0,0,1: 49:[7, 44] Operation: 58-14=44 Exploring Operation: 58-7=51, Resulting Numbers: [14, 51] Generated Node #0,0,2: 49:[14, 51] Operation: 58-7=51 Moving to Node #0,1 Current State: 49:[7, 67, 5], Operations: ['14-9=5'] Exploring Operation: 67-5=62, Resulting Numbers: [7, 62] Generated Node #0,1,0: 49:[7, 62] Operation: 67-5=62 Exploring Operation: 7+5=12, Resulting Numbers: [67, 12] Generated Node #0,1,1: 49:[67, 12] Operation: 7+5=12 Exploring Operation: 67-7=60, Resulting Numbers: [5, 60] Generated Node #0,1,2: 49:[5, 60] Operation: 67-7=60 Moving to Node #0,2,0 Current State: 49:[9, 46], Operations: ['67-14=53', '53-7=46'] Exploring Operation: 9+46=55, Resulting Numbers: [55] 55,49 unequal: No Solution Exploring Operation: 46-9=37, Resulting Numbers: [37] 37,49 unequal: No Solution Exploring Operation: 9*46=414, Resulting Numbers: [414] 414,49 unequal: No Solution Moving to Node #0,2,1 Current State: 49:[7, 44], Operations: ['67-14=53', '53-9=44'] Exploring Operation: 7+44=51, Resulting Numbers: [51] 51,49 unequal: No Solution Exploring Operation: 44-7=37, Resulting Numbers: [37] 37,49 unequal: No Solution Exploring Operation: 7*44=308, Resulting Numbers: [308] 308,49 unequal: No Solution Moving to Node #0,0,1 Current State: 49:[7, 44], Operations: ['67-9=58', '58-14=44'] Exploring Operation: 7+44=51, Resulting Numbers: [51] 51,49 unequal: No Solution Exploring Operation: 7*44=308, Resulting Numbers: [308] 308,49 unequal: No Solution Exploring Operation: 44-7=37, Resulting Numbers: [37] 37,49 unequal: No Solution Moving to Node #0,2,2 Current State: 49:[53, 2], Operations: ['67-14=53', '9-7=2'] Exploring Operation: 53*2=106, Resulting Numbers: [106] 106,49 unequal: No Solution Exploring Operation: 53-2=51, Resulting Numbers: [51] 51,49 unequal: No Solution Exploring Operation: 53+2=55, Resulting Numbers: [55] 55,49 unequal: No Solution Moving to Node #0,0,2 Current State: 49:[14, 51], Operations: ['67-9=58', '58-7=51'] Exploring Operation: 51-14=37, Resulting Numbers: [37] 37,49 unequal: No Solution Exploring Operation: 14+51=65, Resulting Numbers: [65] 65,49 unequal: No Solution Exploring Operation: 14*51=714, Resulting Numbers: [714] 714,49 unequal: No Solution Moving to Node #0,0,0 Current State: 49:[58, 7], Operations: ['67-9=58', '14-7=7'] Exploring Operation: 58+7=65, Resulting Numbers: [65] 65,49 unequal: No Solution Exploring Operation: 58-7=51, Resulting Numbers: [51] 51,49 unequal: No Solution Exploring Operation: 58*7=406, Resulting Numbers: [406] 406,49 unequal: No Solution Moving to Node #0,1,0 Current State: 49:[7, 62], Operations: ['14-9=5', '67-5=62'] Exploring Operation: 7+62=69, Resulting Numbers: [69] 69,49 unequal: No Solution Exploring Operation: 7*62=434, Resulting Numbers: [434] 434,49 unequal: No Solution Exploring Operation: 62-7=55, Resulting Numbers: [55] 55,49 unequal: No Solution Moving to Node #0,1,2 Current State: 49:[5, 60], Operations: ['14-9=5', '67-7=60'] Exploring Operation: 60-5=55, Resulting Numbers: [55] 55,49 unequal: No Solution Exploring Operation: 60/5=12, Resulting Numbers: [12] 12,49 unequal: No Solution Exploring Operation: 5+60=65, Resulting Numbers: [65] 65,49 unequal: No Solution Moving to Node #0,1,1 Current State: 49:[67, 12], Operations: ['14-9=5', '7+5=12'] Exploring Operation: 67+12=79, Resulting Numbers: [79] 79,49 unequal: No Solution Exploring Operation: 67-12=55, Resulting Numbers: [55] 55,49 unequal: No Solution Exploring Operation: 67*12=804, Resulting Numbers: [804] 804,49 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 16, 57, 20, 87 ]
11
[ "57+87=144", "144/16=9", "20-9=11" ]
Current State: 11:[16, 57, 20, 87], Operations: [] Exploring Operation: 57+87=144, Resulting Numbers: [16, 20, 144] Generated Node #2: [16, 20, 144] from Operation: 57+87=144 Current State: 11:[16, 20, 144], Operations: ['57+87=144'] Exploring Operation: 144/16=9, Resulting Numbers: [20, 9] Generated Node #3: [20, 9] from Operation: 144/16=9 Current State: 11:[20, 9], Operations: ['57+87=144', '144/16=9'] Exploring Operation: 20-9=11, Resulting Numbers: [11] 11,11 equal: Goal Reached
4
Current State: 11:[16, 57, 20, 87], Operations: [] Exploring Operation: 87-57=30, Resulting Numbers: [16, 20, 30] Generated Node #0,0: 11:[16, 20, 30] Operation: 87-57=30 Exploring Operation: 87-20=67, Resulting Numbers: [16, 57, 67] Generated Node #0,1: 11:[16, 57, 67] Operation: 87-20=67 Exploring Operation: 57-20=37, Resulting Numbers: [16, 87, 37] Generated Node #0,2: 11:[16, 87, 37] Operation: 57-20=37 Start Sub Search at level 1: Moving to Node #0,0 Current State: 11:[16, 20, 30], Operations: ['87-57=30'] Exploring Operation: 30-16=14, Resulting Numbers: [20, 14] Generated Node #0,0,0: 11:[20, 14] Operation: 30-16=14 Exploring Operation: 20-16=4, Resulting Numbers: [30, 4] Generated Node #0,0,1: 11:[30, 4] Operation: 20-16=4 Exploring Operation: 30-20=10, Resulting Numbers: [16, 10] Generated Node #0,0,2: 11:[16, 10] Operation: 30-20=10 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 11:[16, 10], Operations: ['87-57=30', '30-20=10'] Exploring Operation: 16+10=26, Resulting Numbers: [26] 26,11 unequal: No Solution Exploring Operation: 16*10=160, Resulting Numbers: [160] 160,11 unequal: No Solution Exploring Operation: 16-10=6, Resulting Numbers: [6] 6,11 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:[20, 14], Operations: ['87-57=30', '30-16=14'] Exploring Operation: 20+14=34, Resulting Numbers: [34] 34,11 unequal: No Solution Exploring Operation: 20*14=280, Resulting Numbers: [280] 280,11 unequal: No Solution Exploring Operation: 20-14=6, Resulting Numbers: [6] 6,11 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 #0,0,1 Current State: 11:[30, 4], Operations: ['87-57=30', '20-16=4'] Exploring Operation: 30*4=120, Resulting Numbers: [120] 120,11 unequal: No Solution Exploring Operation: 30-4=26, Resulting Numbers: [26] 26,11 unequal: No Solution Exploring Operation: 30+4=34, Resulting Numbers: [34] 34,11 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:[16, 57, 67], Operations: ['87-20=67'] Exploring Operation: 67-57=10, Resulting Numbers: [16, 10] Generated Node #0,1,0: 11:[16, 10] Operation: 67-57=10 Exploring Operation: 57-16=41, Resulting Numbers: [67, 41] Generated Node #0,1,1: 11:[67, 41] Operation: 57-16=41 Exploring Operation: 67-16=51, Resulting Numbers: [57, 51] Generated Node #0,1,2: 11:[57, 51] Operation: 67-16=51 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 11:[16, 10], Operations: ['87-20=67', '67-57=10'] Exploring Operation: 16+10=26, Resulting Numbers: [26] 26,11 unequal: No Solution Exploring Operation: 16*10=160, Resulting Numbers: [160] 160,11 unequal: No Solution Exploring Operation: 16-10=6, Resulting Numbers: [6] 6,11 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 #0,1,1 Current State: 11:[67, 41], Operations: ['87-20=67', '57-16=41'] Exploring Operation: 67-41=26, Resulting Numbers: [26] 26,11 unequal: No Solution Exploring Operation: 67*41=2747, Resulting Numbers: [2747] 2747,11 unequal: No Solution Exploring Operation: 67+41=108, Resulting Numbers: [108] 108,11 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:[57, 51], Operations: ['87-20=67', '67-16=51'] Exploring Operation: 57-51=6, Resulting Numbers: [6] 6,11 unequal: No Solution Exploring Operation: 57+51=108, Resulting Numbers: [108] 108,11 unequal: No Solution Exploring Operation: 57*51=2907, Resulting Numbers: [2907] 2907,11 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 #0,2 Current State: 11:[16, 87, 37], Operations: ['57-20=37'] Exploring Operation: 37-16=21, Resulting Numbers: [87, 21] Generated Node #0,2,0: 11:[87, 21] Operation: 37-16=21 Exploring Operation: 87-37=50, Resulting Numbers: [16, 50] Generated Node #0,2,1: 11:[16, 50] Operation: 87-37=50 Exploring Operation: 87-16=71, Resulting Numbers: [37, 71] Generated Node #0,2,2: 11:[37, 71] Operation: 87-16=71 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 11:[16, 50], Operations: ['57-20=37', '87-37=50'] Exploring Operation: 16+50=66, Resulting Numbers: [66] 66,11 unequal: No Solution Exploring Operation: 16*50=800, Resulting Numbers: [800] 800,11 unequal: No Solution Exploring Operation: 50-16=34, Resulting Numbers: [34] 34,11 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:[87, 21], Operations: ['57-20=37', '37-16=21'] Exploring Operation: 87*21=1827, Resulting Numbers: [1827] 1827,11 unequal: No Solution Exploring Operation: 87-21=66, Resulting Numbers: [66] 66,11 unequal: No Solution Exploring Operation: 87+21=108, Resulting Numbers: [108] 108,11 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:[37, 71], Operations: ['57-20=37', '87-16=71'] Exploring Operation: 37+71=108, Resulting Numbers: [108] 108,11 unequal: No Solution Exploring Operation: 37*71=2627, Resulting Numbers: [2627] 2627,11 unequal: No Solution Exploring Operation: 71-37=34, Resulting Numbers: [34] 34,11 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 No solution found.
0
hs_3
sum_heuristic
[ 84, 73, 20, 12 ]
19
[ "84-73=11", "20-12=8", "11+8=19" ]
Current State: 19:[84, 73, 20, 12], Operations: [] Exploring Operation: 84-73=11, Resulting Numbers: [20, 12, 11] Generated Node #2: [20, 12, 11] from Operation: 84-73=11 Current State: 19:[20, 12, 11], Operations: ['84-73=11'] Exploring Operation: 20-12=8, Resulting Numbers: [11, 8] Generated Node #3: [11, 8] from Operation: 20-12=8 Current State: 19:[11, 8], Operations: ['84-73=11', '20-12=8'] Exploring Operation: 11+8=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
4
Current State: 19:[84, 73, 20, 12], Operations: [] Exploring Operation: 84/12=7, Resulting Numbers: [73, 20, 7] Generated Node #0,0: 19:[73, 20, 7] Operation: 84/12=7 Exploring Operation: 84-20=64, Resulting Numbers: [73, 12, 64] Generated Node #0,1: 19:[73, 12, 64] Operation: 84-20=64 Exploring Operation: 84-73=11, Resulting Numbers: [20, 12, 11] Generated Node #0,2: 19:[20, 12, 11] Operation: 84-73=11 Moving to Node #0,2 Current State: 19:[20, 12, 11], Operations: ['84-73=11'] Exploring Operation: 20-12=8, Resulting Numbers: [11, 8] Generated Node #0,2,0: 19:[11, 8] Operation: 20-12=8 Exploring Operation: 12+11=23, Resulting Numbers: [20, 23] Generated Node #0,2,1: 19:[20, 23] Operation: 12+11=23 Exploring Operation: 20-11=9, Resulting Numbers: [12, 9] Generated Node #0,2,2: 19:[12, 9] Operation: 20-11=9 Moving to Node #0,0 Current State: 19:[73, 20, 7], Operations: ['84/12=7'] Exploring Operation: 20-7=13, Resulting Numbers: [73, 13] Generated Node #0,0,0: 19:[73, 13] Operation: 20-7=13 Exploring Operation: 73-20=53, Resulting Numbers: [7, 53] Generated Node #0,0,1: 19:[7, 53] Operation: 73-20=53 Exploring Operation: 73-7=66, Resulting Numbers: [20, 66] Generated Node #0,0,2: 19:[20, 66] Operation: 73-7=66 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 19:[7, 53], Operations: ['84/12=7', '73-20=53'] Exploring Operation: 53-7=46, Resulting Numbers: [46] 46,19 unequal: No Solution Exploring Operation: 7+53=60, Resulting Numbers: [60] 60,19 unequal: No Solution Exploring Operation: 7*53=371, Resulting Numbers: [371] 371,19 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:[20, 66], Operations: ['84/12=7', '73-7=66'] Exploring Operation: 66-20=46, Resulting Numbers: [46] 46,19 unequal: No Solution Exploring Operation: 20*66=1320, Resulting Numbers: [1320] 1320,19 unequal: No Solution Exploring Operation: 20+66=86, Resulting Numbers: [86] 86,19 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:[73, 13], Operations: ['84/12=7', '20-7=13'] Exploring Operation: 73-13=60, Resulting Numbers: [60] 60,19 unequal: No Solution Exploring Operation: 73+13=86, Resulting Numbers: [86] 86,19 unequal: No Solution Exploring Operation: 73*13=949, Resulting Numbers: [949] 949,19 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:[73, 12, 64], Operations: ['84-20=64'] Exploring Operation: 64-12=52, Resulting Numbers: [73, 52] Generated Node #0,1,0: 19:[73, 52] Operation: 64-12=52 Exploring Operation: 73-12=61, Resulting Numbers: [64, 61] Generated Node #0,1,1: 19:[64, 61] Operation: 73-12=61 Exploring Operation: 73-64=9, Resulting Numbers: [12, 9] Generated Node #0,1,2: 19:[12, 9] Operation: 73-64=9 Moving to Node #0,2,1 Current State: 19:[20, 23], Operations: ['84-73=11', '12+11=23'] Exploring Operation: 20+23=43, Resulting Numbers: [43] 43,19 unequal: No Solution Exploring Operation: 20*23=460, Resulting Numbers: [460] 460,19 unequal: No Solution Exploring Operation: 23-20=3, Resulting Numbers: [3] 3,19 unequal: No Solution Moving to Node #0,2,2 Current State: 19:[12, 9], Operations: ['84-73=11', '20-11=9'] Exploring Operation: 12*9=108, Resulting Numbers: [108] 108,19 unequal: No Solution Exploring Operation: 12-9=3, Resulting Numbers: [3] 3,19 unequal: No Solution Exploring Operation: 12+9=21, Resulting Numbers: [21] 21,19 unequal: No Solution Moving to Node #0,1,2 Current State: 19:[12, 9], Operations: ['84-20=64', '73-64=9'] Exploring Operation: 12*9=108, Resulting Numbers: [108] 108,19 unequal: No Solution Exploring Operation: 12-9=3, Resulting Numbers: [3] 3,19 unequal: No Solution Exploring Operation: 12+9=21, Resulting Numbers: [21] 21,19 unequal: No Solution Moving to Node #0,2,0 Current State: 19:[11, 8], Operations: ['84-73=11', '20-12=8'] Exploring Operation: 11*8=88, Resulting Numbers: [88] 88,19 unequal: No Solution Exploring Operation: 11+8=19, Resulting Numbers: [19] 19,19 equal: Goal Reached Moving to Node #0 Current State: 19:[84, 73, 20, 12], Operations: [] Exploring Operation: 84-73=11, Resulting Numbers: [20, 12, 11] Generated Node #0,2: 19:[20, 12, 11] Operation: 84-73=11 Moving to Node #0,2 Current State: 19:[20, 12, 11], Operations: ['84-73=11'] Exploring Operation: 20-12=8, Resulting Numbers: [11, 8] Generated Node #0,2,0: 19:[11, 8] Operation: 20-12=8 Moving to Node #0,2,0 Current State: 19:[11, 8], Operations: ['84-73=11', '20-12=8'] Exploring Operation: 11+8=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
0.96875
hs_3
sum_heuristic
[ 18, 88, 11, 15 ]
17
[ "18-11=7", "15*7=105", "105-88=17" ]
Current State: 17:[18, 88, 11, 15], Operations: [] Exploring Operation: 18-11=7, Resulting Numbers: [88, 15, 7] Generated Node #2: [88, 15, 7] from Operation: 18-11=7 Current State: 17:[88, 15, 7], Operations: ['18-11=7'] Exploring Operation: 15*7=105, Resulting Numbers: [88, 105] Generated Node #3: [88, 105] from Operation: 15*7=105 Current State: 17:[88, 105], Operations: ['18-11=7', '15*7=105'] Exploring Operation: 105-88=17, Resulting Numbers: [17] 17,17 equal: Goal Reached
4
Current State: 17:[18, 88, 11, 15], Operations: [] Exploring Operation: 88/11=8, Resulting Numbers: [18, 15, 8] Generated Node #0,0: 17:[18, 15, 8] Operation: 88/11=8 Exploring Operation: 88-18=70, Resulting Numbers: [11, 15, 70] Generated Node #0,1: 17:[11, 15, 70] Operation: 88-18=70 Exploring Operation: 88-11=77, Resulting Numbers: [18, 15, 77] Generated Node #0,2: 17:[18, 15, 77] Operation: 88-11=77 Moving to Node #0,0 Current State: 17:[18, 15, 8], Operations: ['88/11=8'] Exploring Operation: 15+8=23, Resulting Numbers: [18, 23] Generated Node #0,0,0: 17:[18, 23] Operation: 15+8=23 Exploring Operation: 18-8=10, Resulting Numbers: [15, 10] Generated Node #0,0,1: 17:[15, 10] Operation: 18-8=10 Exploring Operation: 18+8=26, Resulting Numbers: [15, 26] Generated Node #0,0,2: 17:[15, 26] Operation: 18+8=26 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 17:[18, 23], Operations: ['88/11=8', '15+8=23'] Exploring Operation: 23-18=5, Resulting Numbers: [5] 5,17 unequal: No Solution Exploring Operation: 18+23=41, Resulting Numbers: [41] 41,17 unequal: No Solution Exploring Operation: 18*23=414, Resulting Numbers: [414] 414,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 17:[15, 10], Operations: ['88/11=8', '18-8=10'] Exploring Operation: 15+10=25, Resulting Numbers: [25] 25,17 unequal: No Solution Exploring Operation: 15*10=150, Resulting Numbers: [150] 150,17 unequal: No Solution Exploring Operation: 15-10=5, Resulting Numbers: [5] 5,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 17:[15, 26], Operations: ['88/11=8', '18+8=26'] Exploring Operation: 15+26=41, Resulting Numbers: [41] 41,17 unequal: No Solution Exploring Operation: 15*26=390, Resulting Numbers: [390] 390,17 unequal: No Solution Exploring Operation: 26-15=11, Resulting Numbers: [11] 11,17 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: 17:[11, 15, 70], Operations: ['88-18=70'] Exploring Operation: 70-11=59, Resulting Numbers: [15, 59] Generated Node #0,1,0: 17:[15, 59] Operation: 70-11=59 Exploring Operation: 11+15=26, Resulting Numbers: [70, 26] Generated Node #0,1,1: 17:[70, 26] Operation: 11+15=26 Exploring Operation: 70-15=55, Resulting Numbers: [11, 55] Generated Node #0,1,2: 17:[11, 55] Operation: 70-15=55 Moving to Node #0,2 Current State: 17:[18, 15, 77], Operations: ['88-11=77'] Exploring Operation: 77-18=59, Resulting Numbers: [15, 59] Generated Node #0,2,0: 17:[15, 59] Operation: 77-18=59 Exploring Operation: 18-15=3, Resulting Numbers: [77, 3] Generated Node #0,2,1: 17:[77, 3] Operation: 18-15=3 Exploring Operation: 77-15=62, Resulting Numbers: [18, 62] Generated Node #0,2,2: 17:[18, 62] Operation: 77-15=62 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 17:[15, 59], Operations: ['88-11=77', '77-18=59'] Exploring Operation: 15*59=885, Resulting Numbers: [885] 885,17 unequal: No Solution Exploring Operation: 59-15=44, Resulting Numbers: [44] 44,17 unequal: No Solution Exploring Operation: 15+59=74, Resulting Numbers: [74] 74,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 17:[18, 62], Operations: ['88-11=77', '77-15=62'] Exploring Operation: 18*62=1116, Resulting Numbers: [1116] 1116,17 unequal: No Solution Exploring Operation: 62-18=44, Resulting Numbers: [44] 44,17 unequal: No Solution Exploring Operation: 18+62=80, Resulting Numbers: [80] 80,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 17:[77, 3], Operations: ['88-11=77', '18-15=3'] Exploring Operation: 77+3=80, Resulting Numbers: [80] 80,17 unequal: No Solution Exploring Operation: 77-3=74, Resulting Numbers: [74] 74,17 unequal: No Solution Exploring Operation: 77*3=231, Resulting Numbers: [231] 231,17 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: 17:[15, 59], Operations: ['88-18=70', '70-11=59'] Exploring Operation: 15*59=885, Resulting Numbers: [885] 885,17 unequal: No Solution Exploring Operation: 15+59=74, Resulting Numbers: [74] 74,17 unequal: No Solution Exploring Operation: 59-15=44, Resulting Numbers: [44] 44,17 unequal: No Solution Moving to Node #0,1,2 Current State: 17:[11, 55], Operations: ['88-18=70', '70-15=55'] Exploring Operation: 11+55=66, Resulting Numbers: [66] 66,17 unequal: No Solution Exploring Operation: 55/11=5, Resulting Numbers: [5] 5,17 unequal: No Solution Exploring Operation: 55-11=44, Resulting Numbers: [44] 44,17 unequal: No Solution Moving to Node #0,1,1 Current State: 17:[70, 26], Operations: ['88-18=70', '11+15=26'] Exploring Operation: 70-26=44, Resulting Numbers: [44] 44,17 unequal: No Solution Exploring Operation: 70*26=1820, Resulting Numbers: [1820] 1820,17 unequal: No Solution Exploring Operation: 70+26=96, Resulting Numbers: [96] 96,17 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 38, 75, 73, 7 ]
47
[ "38+75=113", "73-7=66", "113-66=47" ]
Current State: 47:[38, 75, 73, 7], Operations: [] Exploring Operation: 38+75=113, Resulting Numbers: [73, 7, 113] Generated Node #2: [73, 7, 113] from Operation: 38+75=113 Current State: 47:[73, 7, 113], Operations: ['38+75=113'] Exploring Operation: 73-7=66, Resulting Numbers: [113, 66] Generated Node #3: [113, 66] from Operation: 73-7=66 Current State: 47:[113, 66], Operations: ['38+75=113', '73-7=66'] Exploring Operation: 113-66=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[38, 75, 73, 7], Operations: [] Exploring Operation: 73-7=66, Resulting Numbers: [38, 75, 66] Generated Node #0,0: 47:[38, 75, 66] Operation: 73-7=66 Exploring Operation: 75-7=68, Resulting Numbers: [38, 73, 68] Generated Node #0,1: 47:[38, 73, 68] Operation: 75-7=68 Exploring Operation: 38+7=45, Resulting Numbers: [75, 73, 45] Generated Node #0,2: 47:[75, 73, 45] Operation: 38+7=45 Start Sub Search at level 1: Moving to Node #0,0 Current State: 47:[38, 75, 66], Operations: ['73-7=66'] Exploring Operation: 75-66=9, Resulting Numbers: [38, 9] Generated Node #0,0,0: 47:[38, 9] Operation: 75-66=9 Exploring Operation: 75-38=37, Resulting Numbers: [66, 37] Generated Node #0,0,1: 47:[66, 37] Operation: 75-38=37 Exploring Operation: 66-38=28, Resulting Numbers: [75, 28] Generated Node #0,0,2: 47:[75, 28] Operation: 66-38=28 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 47:[66, 37], Operations: ['73-7=66', '75-38=37'] Exploring Operation: 66*37=2442, Resulting Numbers: [2442] 2442,47 unequal: No Solution Exploring Operation: 66-37=29, Resulting Numbers: [29] 29,47 unequal: No Solution Exploring Operation: 66+37=103, Resulting Numbers: [103] 103,47 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 47:[38, 9], Operations: ['73-7=66', '75-66=9'] Exploring Operation: 38+9=47, Resulting Numbers: [47] 47,47 equal: Goal Reached Moving to Node #0 Current State: 47:[38, 75, 73, 7], Operations: [] Exploring Operation: 73-7=66, Resulting Numbers: [38, 75, 66] Generated Node #0,0: 47:[38, 75, 66] Operation: 73-7=66 Moving to Node #0,0 Current State: 47:[38, 75, 66], Operations: ['73-7=66'] Exploring Operation: 75-66=9, Resulting Numbers: [38, 9] Generated Node #0,0,0: 47:[38, 9] Operation: 75-66=9 Moving to Node #0,0,0 Current State: 47:[38, 9], Operations: ['73-7=66', '75-66=9'] Exploring Operation: 38+9=47, Resulting Numbers: [47] 47,47 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.987847
hs_3
sum_heuristic