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
[ 26, 31, 44, 44 ]
57
[ "26+31=57", "44-44=0", "57+0=57" ]
Current State: 57:[26, 31, 44, 44], Operations: [] Exploring Operation: 26+31=57, Resulting Numbers: [44, 44, 57] Generated Node #2: [44, 44, 57] from Operation: 26+31=57 Current State: 57:[44, 44, 57], Operations: ['26+31=57'] Exploring Operation: 44-44=0, Resulting Numbers: [57, 0] Generated Node #3: [57, 0] from Operation: 44-44=0 Current State: 57:[57, 0], Operations: ['26+31=57', '44-44=0'] Exploring Operation: 57+0=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
4
Current State: 57:[26, 31, 44, 44], Operations: [] Exploring Operation: 44/44=1, Resulting Numbers: [26, 31, 1] Generated Node #0,0: 57:[26, 31, 1] Operation: 44/44=1 Moving to Node #0,0 Current State: 57:[26, 31, 1], Operations: ['44/44=1'] Exploring Operation: 26+31=57, Resulting Numbers: [1, 57] Generated Node #0,0,0: 57:[1, 57] Operation: 26+31=57 Moving to Node #0,0,0 Current State: 57:[1, 57], Operations: ['44/44=1', '26+31=57'] Exploring Operation: 1*57=57, Resulting Numbers: [57] 57,57 equal: Goal Reached Moving to Node #0 Current State: 57:[26, 31, 44, 44], Operations: [] Exploring Operation: 44/44=1, Resulting Numbers: [26, 31, 1] Generated Node #0,0: 57:[26, 31, 1] Operation: 44/44=1 Moving to Node #0,0 Current State: 57:[26, 31, 1], Operations: ['44/44=1'] Exploring Operation: 26+31=57, Resulting Numbers: [1, 57] Generated Node #0,0,0: 57:[1, 57] Operation: 26+31=57 Moving to Node #0,0,0 Current State: 57:[1, 57], Operations: ['44/44=1', '26+31=57'] Exploring Operation: 1*57=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
0.993924
hs_1
sum_heuristic
[ 21, 16, 81, 33 ]
53
[ "21-16=5", "81-33=48", "5+48=53" ]
Current State: 53:[21, 16, 81, 33], Operations: [] Exploring Operation: 21-16=5, Resulting Numbers: [81, 33, 5] Generated Node #2: [81, 33, 5] from Operation: 21-16=5 Current State: 53:[81, 33, 5], Operations: ['21-16=5'] Exploring Operation: 81-33=48, Resulting Numbers: [5, 48] Generated Node #3: [5, 48] from Operation: 81-33=48 Current State: 53:[5, 48], Operations: ['21-16=5', '81-33=48'] Exploring Operation: 5+48=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[21, 16, 81, 33], Operations: [] Exploring Operation: 21+16=37, Resulting Numbers: [81, 33, 37] Generated Node #0,0: 53:[81, 33, 37] Operation: 21+16=37 Exploring Operation: 81-21=60, Resulting Numbers: [16, 33, 60] Generated Node #0,1: 53:[16, 33, 60] Operation: 81-21=60 Moving to Node #0,0 Current State: 53:[81, 33, 37], Operations: ['21+16=37'] Exploring Operation: 81-37=44, Resulting Numbers: [33, 44] Generated Node #0,0,0: 53:[33, 44] Operation: 81-37=44 Exploring Operation: 81-33=48, Resulting Numbers: [37, 48] Generated Node #0,0,1: 53:[37, 48] Operation: 81-33=48 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 53:[37, 48], Operations: ['21+16=37', '81-33=48'] Exploring Operation: 48-37=11, Resulting Numbers: [11] 11,53 unequal: No Solution Exploring Operation: 37+48=85, Resulting Numbers: [85] 85,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 53:[33, 44], Operations: ['21+16=37', '81-37=44'] Exploring Operation: 44-33=11, Resulting Numbers: [11] 11,53 unequal: No Solution Exploring Operation: 33+44=77, Resulting Numbers: [77] 77,53 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: 53:[16, 33, 60], Operations: ['81-21=60'] Exploring Operation: 60-16=44, Resulting Numbers: [33, 44] Generated Node #0,1,0: 53:[33, 44] Operation: 60-16=44 Exploring Operation: 16+33=49, Resulting Numbers: [60, 49] Generated Node #0,1,1: 53:[60, 49] Operation: 16+33=49 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 53:[60, 49], Operations: ['81-21=60', '16+33=49'] Exploring Operation: 60+49=109, Resulting Numbers: [109] 109,53 unequal: No Solution Exploring Operation: 60-49=11, Resulting Numbers: [11] 11,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 53:[33, 44], Operations: ['81-21=60', '60-16=44'] Exploring Operation: 44-33=11, Resulting Numbers: [11] 11,53 unequal: No Solution Exploring Operation: 33+44=77, Resulting Numbers: [77] 77,53 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
[ 73, 63, 45, 16 ]
51
[ "73-63=10", "45+16=61", "61-10=51" ]
Current State: 51:[73, 63, 45, 16], Operations: [] Exploring Operation: 73-63=10, Resulting Numbers: [45, 16, 10] Generated Node #2: [45, 16, 10] from Operation: 73-63=10 Current State: 51:[45, 16, 10], Operations: ['73-63=10'] Exploring Operation: 45+16=61, Resulting Numbers: [10, 61] Generated Node #3: [10, 61] from Operation: 45+16=61 Current State: 51:[10, 61], Operations: ['73-63=10', '45+16=61'] Exploring Operation: 61-10=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[73, 63, 45, 16], Operations: [] Exploring Operation: 73-16=57, Resulting Numbers: [63, 45, 57] Generated Node #0,0: 51:[63, 45, 57] Operation: 73-16=57 Exploring Operation: 73-63=10, Resulting Numbers: [45, 16, 10] Generated Node #0,1: 51:[45, 16, 10] Operation: 73-63=10 Exploring Operation: 73-45=28, Resulting Numbers: [63, 16, 28] Generated Node #0,2: 51:[63, 16, 28] Operation: 73-45=28 Moving to Node #0,1 Current State: 51:[45, 16, 10], Operations: ['73-63=10'] Exploring Operation: 16+10=26, Resulting Numbers: [45, 26] Generated Node #0,1,0: 51:[45, 26] Operation: 16+10=26 Exploring Operation: 45+10=55, Resulting Numbers: [16, 55] Generated Node #0,1,1: 51:[16, 55] Operation: 45+10=55 Exploring Operation: 16-10=6, Resulting Numbers: [45, 6] Generated Node #0,1,2: 51:[45, 6] Operation: 16-10=6 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 51:[16, 55], Operations: ['73-63=10', '45+10=55'] Exploring Operation: 16*55=880, Resulting Numbers: [880] 880,51 unequal: No Solution Exploring Operation: 16+55=71, Resulting Numbers: [71] 71,51 unequal: No Solution Exploring Operation: 55-16=39, Resulting Numbers: [39] 39,51 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 51:[45, 6], Operations: ['73-63=10', '16-10=6'] Exploring Operation: 45-6=39, Resulting Numbers: [39] 39,51 unequal: No Solution Exploring Operation: 45+6=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Moving to Node #0 Current State: 51:[73, 63, 45, 16], Operations: [] Exploring Operation: 73-63=10, Resulting Numbers: [45, 16, 10] Generated Node #0,1: 51:[45, 16, 10] Operation: 73-63=10 Moving to Node #0,1 Current State: 51:[45, 16, 10], Operations: ['73-63=10'] Exploring Operation: 16-10=6, Resulting Numbers: [45, 6] Generated Node #0,1,2: 51:[45, 6] Operation: 16-10=6 Moving to Node #0,1,2 Current State: 51:[45, 6], Operations: ['73-63=10', '16-10=6'] Exploring Operation: 45+6=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_3
mult_heuristic
[ 45, 27, 87, 36 ]
84
[ "45+36=81", "81/27=3", "87-3=84" ]
Current State: 84:[45, 27, 87, 36], Operations: [] Exploring Operation: 45+36=81, Resulting Numbers: [27, 87, 81] Generated Node #2: [27, 87, 81] from Operation: 45+36=81 Current State: 84:[27, 87, 81], Operations: ['45+36=81'] Exploring Operation: 81/27=3, Resulting Numbers: [87, 3] Generated Node #3: [87, 3] from Operation: 81/27=3 Current State: 84:[87, 3], Operations: ['45+36=81', '81/27=3'] Exploring Operation: 87-3=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
4
Current State: 84:[45, 27, 87, 36], Operations: [] Exploring Operation: 45+36=81, Resulting Numbers: [27, 87, 81] Generated Node #0,0: 84:[27, 87, 81] Operation: 45+36=81 Exploring Operation: 45-27=18, Resulting Numbers: [87, 36, 18] Generated Node #0,1: 84:[87, 36, 18] Operation: 45-27=18 Exploring Operation: 45-36=9, Resulting Numbers: [27, 87, 9] Generated Node #0,2: 84:[27, 87, 9] Operation: 45-36=9 Exploring Operation: 36-27=9, Resulting Numbers: [45, 87, 9] Generated Node #0,3: 84:[45, 87, 9] Operation: 36-27=9 Exploring Operation: 87-45=42, Resulting Numbers: [27, 36, 42] Generated Node #0,4: 84:[27, 36, 42] Operation: 87-45=42 Start Sub Search at level 1: Moving to Node #0,2 Current State: 84:[27, 87, 9], Operations: ['45-36=9'] Exploring Operation: 87+9=96, Resulting Numbers: [27, 96] Generated Node #0,2,0: 84:[27, 96] Operation: 87+9=96 Exploring Operation: 27/9=3, Resulting Numbers: [87, 3] Generated Node #0,2,1: 84:[87, 3] Operation: 27/9=3 Exploring Operation: 27+9=36, Resulting Numbers: [87, 36] Generated Node #0,2,2: 84:[87, 36] Operation: 27+9=36 Exploring Operation: 27-9=18, Resulting Numbers: [87, 18] Generated Node #0,2,3: 84:[87, 18] Operation: 27-9=18 Exploring Operation: 87-9=78, Resulting Numbers: [27, 78] Generated Node #0,2,4: 84:[27, 78] Operation: 87-9=78 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 84:[87, 3], Operations: ['45-36=9', '27/9=3'] Exploring Operation: 87/3=29, Resulting Numbers: [29] 29,84 unequal: No Solution Exploring Operation: 87+3=90, Resulting Numbers: [90] 90,84 unequal: No Solution Exploring Operation: 87*3=261, Resulting Numbers: [261] 261,84 unequal: No Solution Exploring Operation: 87-3=84, Resulting Numbers: [84] 84,84 equal: Goal Reached Moving to Node #0 Current State: 84:[45, 27, 87, 36], Operations: [] Exploring Operation: 45-36=9, Resulting Numbers: [27, 87, 9] Generated Node #0,2: 84:[27, 87, 9] Operation: 45-36=9 Moving to Node #0,2 Current State: 84:[27, 87, 9], Operations: ['45-36=9'] Exploring Operation: 27/9=3, Resulting Numbers: [87, 3] Generated Node #0,2,1: 84:[87, 3] Operation: 27/9=3 Moving to Node #0,2,1 Current State: 84:[87, 3], Operations: ['45-36=9', '27/9=3'] Exploring Operation: 87-3=84, Resulting Numbers: [84] 84,84 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.984375
hs_5
mult_heuristic
[ 90, 58, 36, 27 ]
85
[ "90+58=148", "36+27=63", "148-63=85" ]
Current State: 85:[90, 58, 36, 27], Operations: [] Exploring Operation: 90+58=148, Resulting Numbers: [36, 27, 148] Generated Node #2: [36, 27, 148] from Operation: 90+58=148 Current State: 85:[36, 27, 148], Operations: ['90+58=148'] Exploring Operation: 36+27=63, Resulting Numbers: [148, 63] Generated Node #3: [148, 63] from Operation: 36+27=63 Current State: 85:[148, 63], Operations: ['90+58=148', '36+27=63'] Exploring Operation: 148-63=85, Resulting Numbers: [85] 85,85 equal: Goal Reached
4
Current State: 85:[90, 58, 36, 27], Operations: [] Exploring Operation: 58+27=85, Resulting Numbers: [90, 36, 85] Generated Node #0,0: 85:[90, 36, 85] Operation: 58+27=85 Exploring Operation: 36-27=9, Resulting Numbers: [90, 58, 9] Generated Node #0,1: 85:[90, 58, 9] Operation: 36-27=9 Exploring Operation: 58+36=94, Resulting Numbers: [90, 27, 94] Generated Node #0,2: 85:[90, 27, 94] Operation: 58+36=94 Exploring Operation: 58-36=22, Resulting Numbers: [90, 27, 22] Generated Node #0,3: 85:[90, 27, 22] Operation: 58-36=22 Start Sub Search at level 1: Moving to Node #0,3 Current State: 85:[90, 27, 22], Operations: ['58-36=22'] Exploring Operation: 90-22=68, Resulting Numbers: [27, 68] Generated Node #0,3,0: 85:[27, 68] Operation: 90-22=68 Exploring Operation: 90+27=117, Resulting Numbers: [22, 117] Generated Node #0,3,1: 85:[22, 117] Operation: 90+27=117 Exploring Operation: 27-22=5, Resulting Numbers: [90, 5] Generated Node #0,3,2: 85:[90, 5] Operation: 27-22=5 Exploring Operation: 90-27=63, Resulting Numbers: [22, 63] Generated Node #0,3,3: 85:[22, 63] Operation: 90-27=63 Moving to Node #0,3,2 Current State: 85:[90, 5], Operations: ['58-36=22', '27-22=5'] Exploring Operation: 90-5=85, Resulting Numbers: [85] 85,85 equal: Goal Reached Moving to Node #0 Current State: 85:[90, 58, 36, 27], Operations: [] Exploring Operation: 58-36=22, Resulting Numbers: [90, 27, 22] Generated Node #0,3: 85:[90, 27, 22] Operation: 58-36=22 Moving to Node #0,3 Current State: 85:[90, 27, 22], Operations: ['58-36=22'] Exploring Operation: 27-22=5, Resulting Numbers: [90, 5] Generated Node #0,3,2: 85:[90, 5] Operation: 27-22=5 Moving to Node #0,3,2 Current State: 85:[90, 5], Operations: ['58-36=22', '27-22=5'] Exploring Operation: 90-5=85, Resulting Numbers: [85] 85,85 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_4
sum_heuristic
[ 24, 60, 48, 70 ]
34
[ "24+60=84", "48+70=118", "118-84=34" ]
Current State: 34:[24, 60, 48, 70], Operations: [] Exploring Operation: 24+60=84, Resulting Numbers: [48, 70, 84] Generated Node #2: [48, 70, 84] from Operation: 24+60=84 Current State: 34:[48, 70, 84], Operations: ['24+60=84'] Exploring Operation: 48+70=118, Resulting Numbers: [84, 118] Generated Node #3: [84, 118] from Operation: 48+70=118 Current State: 34:[84, 118], Operations: ['24+60=84', '48+70=118'] Exploring Operation: 118-84=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
4
Current State: 34:[24, 60, 48, 70], Operations: [] Exploring Operation: 70-60=10, Resulting Numbers: [24, 48, 10] Generated Node #0,0: 34:[24, 48, 10] Operation: 70-60=10 Exploring Operation: 70-48=22, Resulting Numbers: [24, 60, 22] Generated Node #0,1: 34:[24, 60, 22] Operation: 70-48=22 Exploring Operation: 70-24=46, Resulting Numbers: [60, 48, 46] Generated Node #0,2: 34:[60, 48, 46] Operation: 70-24=46 Exploring Operation: 60-24=36, Resulting Numbers: [48, 70, 36] Generated Node #0,3: 34:[48, 70, 36] Operation: 60-24=36 Exploring Operation: 60-48=12, Resulting Numbers: [24, 70, 12] Generated Node #0,4: 34:[24, 70, 12] Operation: 60-48=12 Start Sub Search at level 1: Moving to Node #0,0 Current State: 34:[24, 48, 10], Operations: ['70-60=10'] Exploring Operation: 24-10=14, Resulting Numbers: [48, 14] Generated Node #0,0,0: 34:[48, 14] Operation: 24-10=14 Exploring Operation: 48-24=24, Resulting Numbers: [10, 24] Generated Node #0,0,1: 34:[10, 24] Operation: 48-24=24 Exploring Operation: 24+10=34, Resulting Numbers: [48, 34] Generated Node #0,0,2: 34:[48, 34] Operation: 24+10=34 Exploring Operation: 48-10=38, Resulting Numbers: [24, 38] Generated Node #0,0,3: 34:[24, 38] Operation: 48-10=38 Exploring Operation: 48/24=2, Resulting Numbers: [10, 2] Generated Node #0,0,4: 34:[10, 2] Operation: 48/24=2 Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 34:[10, 2], Operations: ['70-60=10', '48/24=2'] Exploring Operation: 10*2=20, Resulting Numbers: [20] 20,34 unequal: No Solution Exploring Operation: 10+2=12, Resulting Numbers: [12] 12,34 unequal: No Solution Exploring Operation: 10-2=8, Resulting Numbers: [8] 8,34 unequal: No Solution Exploring Operation: 10/2=5, Resulting Numbers: [5] 5,34 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 34:[24, 38], Operations: ['70-60=10', '48-10=38'] Exploring Operation: 24+38=62, Resulting Numbers: [62] 62,34 unequal: No Solution Exploring Operation: 24*38=912, Resulting Numbers: [912] 912,34 unequal: No Solution Exploring Operation: 38-24=14, Resulting Numbers: [14] 14,34 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 34:[10, 24], Operations: ['70-60=10', '48-24=24'] Exploring Operation: 10+24=34, Resulting Numbers: [34] 34,34 equal: Goal Reached Moving to Node #0 Current State: 34:[24, 60, 48, 70], Operations: [] Exploring Operation: 70-60=10, Resulting Numbers: [24, 48, 10] Generated Node #0,0: 34:[24, 48, 10] Operation: 70-60=10 Moving to Node #0,0 Current State: 34:[24, 48, 10], Operations: ['70-60=10'] Exploring Operation: 48-24=24, Resulting Numbers: [10, 24] Generated Node #0,0,1: 34:[10, 24] Operation: 48-24=24 Moving to Node #0,0,1 Current State: 34:[10, 24], Operations: ['70-60=10', '48-24=24'] Exploring Operation: 10+24=34, Resulting Numbers: [34] 34,34 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.980903
hs_5
mult_heuristic
[ 81, 80, 60, 57 ]
32
[ "81-57=24", "80*24=1920", "1920/60=32" ]
Current State: 32:[81, 80, 60, 57], Operations: [] Exploring Operation: 81-57=24, Resulting Numbers: [80, 60, 24] Generated Node #2: [80, 60, 24] from Operation: 81-57=24 Current State: 32:[80, 60, 24], Operations: ['81-57=24'] Exploring Operation: 80*24=1920, Resulting Numbers: [60, 1920] Generated Node #3: [60, 1920] from Operation: 80*24=1920 Current State: 32:[60, 1920], Operations: ['81-57=24', '80*24=1920'] Exploring Operation: 1920/60=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[81, 80, 60, 57], Operations: [] Exploring Operation: 81-60=21, Resulting Numbers: [80, 57, 21] Generated Node #0,0: 32:[80, 57, 21] Operation: 81-60=21 Exploring Operation: 81-57=24, Resulting Numbers: [80, 60, 24] Generated Node #0,1: 32:[80, 60, 24] Operation: 81-57=24 Exploring Operation: 81-80=1, Resulting Numbers: [60, 57, 1] Generated Node #0,2: 32:[60, 57, 1] Operation: 81-80=1 Exploring Operation: 80-60=20, Resulting Numbers: [81, 57, 20] Generated Node #0,3: 32:[81, 57, 20] Operation: 80-60=20 Start Sub Search at level 1: Moving to Node #0,2 Current State: 32:[60, 57, 1], Operations: ['81-80=1'] Exploring Operation: 57-1=56, Resulting Numbers: [60, 56] Generated Node #0,2,0: 32:[60, 56] Operation: 57-1=56 Exploring Operation: 60*1=60, Resulting Numbers: [57, 60] Generated Node #0,2,1: 32:[57, 60] Operation: 60*1=60 Exploring Operation: 60-1=59, Resulting Numbers: [57, 59] Generated Node #0,2,2: 32:[57, 59] Operation: 60-1=59 Exploring Operation: 60-57=3, Resulting Numbers: [1, 3] Generated Node #0,2,3: 32:[1, 3] Operation: 60-57=3 Moving to Node #0,2,3 Current State: 32:[1, 3], Operations: ['81-80=1', '60-57=3'] Exploring Operation: 3-1=2, Resulting Numbers: [2] 2,32 unequal: No Solution Exploring Operation: 1+3=4, Resulting Numbers: [4] 4,32 unequal: No Solution Exploring Operation: 3/1=3, Resulting Numbers: [3] 3,32 unequal: No Solution Exploring Operation: 1*3=3, Resulting Numbers: [3] 3,32 unequal: No Solution Moving to Node #0,2,2 Current State: 32:[57, 59], Operations: ['81-80=1', '60-1=59'] Exploring Operation: 57+59=116, Resulting Numbers: [116] 116,32 unequal: No Solution Exploring Operation: 59-57=2, Resulting Numbers: [2] 2,32 unequal: No Solution Exploring Operation: 57*59=3363, Resulting Numbers: [3363] 3363,32 unequal: No Solution Moving to Node #0,2,0 Current State: 32:[60, 56], Operations: ['81-80=1', '57-1=56'] Exploring Operation: 60-56=4, Resulting Numbers: [4] 4,32 unequal: No Solution Exploring Operation: 60*56=3360, Resulting Numbers: [3360] 3360,32 unequal: No Solution Exploring Operation: 60+56=116, Resulting Numbers: [116] 116,32 unequal: No Solution Moving to Node #0,2,1 Current State: 32:[57, 60], Operations: ['81-80=1', '60*1=60'] Exploring Operation: 57*60=3420, Resulting Numbers: [3420] 3420,32 unequal: No Solution Exploring Operation: 57+60=117, Resulting Numbers: [117] 117,32 unequal: No Solution Exploring Operation: 60-57=3, Resulting Numbers: [3] 3,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 32:[80, 57, 21], Operations: ['81-60=21'] Exploring Operation: 80-21=59, Resulting Numbers: [57, 59] Generated Node #0,0,0: 32:[57, 59] Operation: 80-21=59 Exploring Operation: 57-21=36, Resulting Numbers: [80, 36] Generated Node #0,0,1: 32:[80, 36] Operation: 57-21=36 Exploring Operation: 80-57=23, Resulting Numbers: [21, 23] Generated Node #0,0,2: 32:[21, 23] Operation: 80-57=23 Exploring Operation: 80+21=101, Resulting Numbers: [57, 101] Generated Node #0,0,3: 32:[57, 101] Operation: 80+21=101 Moving to Node #0,0,2 Current State: 32:[21, 23], Operations: ['81-60=21', '80-57=23'] Exploring Operation: 21+23=44, Resulting Numbers: [44] 44,32 unequal: No Solution Exploring Operation: 21*23=483, Resulting Numbers: [483] 483,32 unequal: No Solution Exploring Operation: 23-21=2, Resulting Numbers: [2] 2,32 unequal: No Solution Moving to Node #0,0,1 Current State: 32:[80, 36], Operations: ['81-60=21', '57-21=36'] Exploring Operation: 80+36=116, Resulting Numbers: [116] 116,32 unequal: No Solution Exploring Operation: 80*36=2880, Resulting Numbers: [2880] 2880,32 unequal: No Solution Exploring Operation: 80-36=44, Resulting Numbers: [44] 44,32 unequal: No Solution Moving to Node #0,0,0 Current State: 32:[57, 59], Operations: ['81-60=21', '80-21=59'] Exploring Operation: 59-57=2, Resulting Numbers: [2] 2,32 unequal: No Solution Exploring Operation: 57+59=116, Resulting Numbers: [116] 116,32 unequal: No Solution Exploring Operation: 57*59=3363, Resulting Numbers: [3363] 3363,32 unequal: No Solution Moving to Node #0,0,3 Current State: 32:[57, 101], Operations: ['81-60=21', '80+21=101'] Exploring Operation: 57+101=158, Resulting Numbers: [158] 158,32 unequal: No Solution Exploring Operation: 101-57=44, Resulting Numbers: [44] 44,32 unequal: No Solution Exploring Operation: 57*101=5757, Resulting Numbers: [5757] 5757,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 32:[81, 57, 20], Operations: ['80-60=20'] Exploring Operation: 81-20=61, Resulting Numbers: [57, 61] Generated Node #0,3,0: 32:[57, 61] Operation: 81-20=61 Exploring Operation: 57-20=37, Resulting Numbers: [81, 37] Generated Node #0,3,1: 32:[81, 37] Operation: 57-20=37 Exploring Operation: 81-57=24, Resulting Numbers: [20, 24] Generated Node #0,3,2: 32:[20, 24] Operation: 81-57=24 Exploring Operation: 81+20=101, Resulting Numbers: [57, 101] Generated Node #0,3,3: 32:[57, 101] Operation: 81+20=101 Moving to Node #0,3,2 Current State: 32:[20, 24], Operations: ['80-60=20', '81-57=24'] Exploring Operation: 20+24=44, Resulting Numbers: [44] 44,32 unequal: No Solution Exploring Operation: 24-20=4, Resulting Numbers: [4] 4,32 unequal: No Solution Exploring Operation: 20*24=480, Resulting Numbers: [480] 480,32 unequal: No Solution Moving to Node #0,3,1 Current State: 32:[81, 37], Operations: ['80-60=20', '57-20=37'] Exploring Operation: 81-37=44, Resulting Numbers: [44] 44,32 unequal: No Solution Exploring Operation: 81+37=118, Resulting Numbers: [118] 118,32 unequal: No Solution Exploring Operation: 81*37=2997, Resulting Numbers: [2997] 2997,32 unequal: No Solution Moving to Node #0,3,0 Current State: 32:[57, 61], Operations: ['80-60=20', '81-20=61'] Exploring Operation: 57+61=118, Resulting Numbers: [118] 118,32 unequal: No Solution Exploring Operation: 61-57=4, Resulting Numbers: [4] 4,32 unequal: No Solution Exploring Operation: 57*61=3477, Resulting Numbers: [3477] 3477,32 unequal: No Solution Moving to Node #0,3,3 Current State: 32:[57, 101], Operations: ['80-60=20', '81+20=101'] Exploring Operation: 57*101=5757, Resulting Numbers: [5757] 5757,32 unequal: No Solution Exploring Operation: 101-57=44, Resulting Numbers: [44] 44,32 unequal: No Solution Exploring Operation: 57+101=158, Resulting Numbers: [158] 158,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 32:[80, 60, 24], Operations: ['81-57=24'] Exploring Operation: 60-24=36, Resulting Numbers: [80, 36] Generated Node #0,1,0: 32:[80, 36] Operation: 60-24=36 Exploring Operation: 80-60=20, Resulting Numbers: [24, 20] Generated Node #0,1,1: 32:[24, 20] Operation: 80-60=20 Exploring Operation: 80-24=56, Resulting Numbers: [60, 56] Generated Node #0,1,2: 32:[60, 56] Operation: 80-24=56 Exploring Operation: 80+24=104, Resulting Numbers: [60, 104] Generated Node #0,1,3: 32:[60, 104] Operation: 80+24=104 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 32:[24, 20], Operations: ['81-57=24', '80-60=20'] Exploring Operation: 24-20=4, Resulting Numbers: [4] 4,32 unequal: No Solution Exploring Operation: 24*20=480, Resulting Numbers: [480] 480,32 unequal: No Solution Exploring Operation: 24+20=44, Resulting Numbers: [44] 44,32 unequal: No Solution No 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: 32:[80, 36], Operations: ['81-57=24', '60-24=36'] Exploring Operation: 80+36=116, Resulting Numbers: [116] 116,32 unequal: No Solution Exploring Operation: 80-36=44, Resulting Numbers: [44] 44,32 unequal: No Solution Exploring Operation: 80*36=2880, Resulting Numbers: [2880] 2880,32 unequal: No Solution No 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: 32:[60, 56], Operations: ['81-57=24', '80-24=56'] Exploring Operation: 60*56=3360, Resulting Numbers: [3360] 3360,32 unequal: No Solution Exploring Operation: 60+56=116, Resulting Numbers: [116] 116,32 unequal: No Solution Exploring Operation: 60-56=4, Resulting Numbers: [4] 4,32 unequal: No Solution No 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: 32:[60, 104], Operations: ['81-57=24', '80+24=104'] Exploring Operation: 104-60=44, Resulting Numbers: [44] 44,32 unequal: No Solution Exploring Operation: 60+104=164, Resulting Numbers: [164] 164,32 unequal: No Solution Exploring Operation: 60*104=6240, Resulting Numbers: [6240] 6240,32 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
[ 1, 5, 7, 54 ]
56
[ "1*5=5", "7+54=61", "61-5=56" ]
Current State: 56:[1, 5, 7, 54], Operations: [] Exploring Operation: 1*5=5, Resulting Numbers: [7, 54, 5] Generated Node #2: [7, 54, 5] from Operation: 1*5=5 Current State: 56:[7, 54, 5], Operations: ['1*5=5'] Exploring Operation: 7+54=61, Resulting Numbers: [5, 61] Generated Node #3: [5, 61] from Operation: 7+54=61 Current State: 56:[5, 61], Operations: ['1*5=5', '7+54=61'] Exploring Operation: 61-5=56, Resulting Numbers: [56] 56,56 equal: Goal Reached
4
Current State: 56:[1, 5, 7, 54], Operations: [] Exploring Operation: 5-1=4, Resulting Numbers: [7, 54, 4] Generated Node #0,0: 56:[7, 54, 4] Operation: 5-1=4 Exploring Operation: 1+5=6, Resulting Numbers: [7, 54, 6] Generated Node #0,1: 56:[7, 54, 6] Operation: 1+5=6 Exploring Operation: 1+54=55, Resulting Numbers: [5, 7, 55] Generated Node #0,2: 56:[5, 7, 55] Operation: 1+54=55 Moving to Node #0,0 Current State: 56:[7, 54, 4], Operations: ['5-1=4'] Exploring Operation: 7-4=3, Resulting Numbers: [54, 3] Generated Node #0,0,0: 56:[54, 3] Operation: 7-4=3 Exploring Operation: 7*4=28, Resulting Numbers: [54, 28] Generated Node #0,0,1: 56:[54, 28] Operation: 7*4=28 Exploring Operation: 54+4=58, Resulting Numbers: [7, 58] Generated Node #0,0,2: 56:[7, 58] Operation: 54+4=58 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 56:[54, 28], Operations: ['5-1=4', '7*4=28'] Exploring Operation: 54*28=1512, Resulting Numbers: [1512] 1512,56 unequal: No Solution Exploring Operation: 54+28=82, Resulting Numbers: [82] 82,56 unequal: No Solution Exploring Operation: 54-28=26, Resulting Numbers: [26] 26,56 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 56:[7, 58], Operations: ['5-1=4', '54+4=58'] Exploring Operation: 7+58=65, Resulting Numbers: [65] 65,56 unequal: No Solution Exploring Operation: 7*58=406, Resulting Numbers: [406] 406,56 unequal: No Solution Exploring Operation: 58-7=51, Resulting Numbers: [51] 51,56 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 56:[54, 3], Operations: ['5-1=4', '7-4=3'] Exploring Operation: 54-3=51, Resulting Numbers: [51] 51,56 unequal: No Solution Exploring Operation: 54/3=18, Resulting Numbers: [18] 18,56 unequal: No Solution Exploring Operation: 54+3=57, Resulting Numbers: [57] 57,56 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: 56:[5, 7, 55], Operations: ['1+54=55'] Exploring Operation: 55/5=11, Resulting Numbers: [7, 11] Generated Node #0,2,0: 56:[7, 11] Operation: 55/5=11 Exploring Operation: 5+7=12, Resulting Numbers: [55, 12] Generated Node #0,2,1: 56:[55, 12] Operation: 5+7=12 Exploring Operation: 7-5=2, Resulting Numbers: [55, 2] Generated Node #0,2,2: 56:[55, 2] Operation: 7-5=2 Moving to Node #0,1 Current State: 56:[7, 54, 6], Operations: ['1+5=6'] Exploring Operation: 7-6=1, Resulting Numbers: [54, 1] Generated Node #0,1,0: 56:[54, 1] Operation: 7-6=1 Exploring Operation: 54/6=9, Resulting Numbers: [7, 9] Generated Node #0,1,1: 56:[7, 9] Operation: 54/6=9 Exploring Operation: 7+6=13, Resulting Numbers: [54, 13] Generated Node #0,1,2: 56:[54, 13] Operation: 7+6=13 Moving to Node #0,2,2 Current State: 56:[55, 2], Operations: ['1+54=55', '7-5=2'] Exploring Operation: 55*2=110, Resulting Numbers: [110] 110,56 unequal: No Solution Exploring Operation: 55-2=53, Resulting Numbers: [53] 53,56 unequal: No Solution Exploring Operation: 55+2=57, Resulting Numbers: [57] 57,56 unequal: No Solution Moving to Node #0,1,1 Current State: 56:[7, 9], Operations: ['1+5=6', '54/6=9'] Exploring Operation: 7+9=16, Resulting Numbers: [16] 16,56 unequal: No Solution Exploring Operation: 9-7=2, Resulting Numbers: [2] 2,56 unequal: No Solution Exploring Operation: 7*9=63, Resulting Numbers: [63] 63,56 unequal: No Solution Moving to Node #0,2,1 Current State: 56:[55, 12], Operations: ['1+54=55', '5+7=12'] Exploring Operation: 55-12=43, Resulting Numbers: [43] 43,56 unequal: No Solution Exploring Operation: 55*12=660, Resulting Numbers: [660] 660,56 unequal: No Solution Exploring Operation: 55+12=67, Resulting Numbers: [67] 67,56 unequal: No Solution Moving to Node #0,1,2 Current State: 56:[54, 13], Operations: ['1+5=6', '7+6=13'] Exploring Operation: 54*13=702, Resulting Numbers: [702] 702,56 unequal: No Solution Exploring Operation: 54+13=67, Resulting Numbers: [67] 67,56 unequal: No Solution Exploring Operation: 54-13=41, Resulting Numbers: [41] 41,56 unequal: No Solution Moving to Node #0,1,0 Current State: 56:[54, 1], Operations: ['1+5=6', '7-6=1'] Exploring Operation: 54/1=54, Resulting Numbers: [54] 54,56 unequal: No Solution Exploring Operation: 54*1=54, Resulting Numbers: [54] 54,56 unequal: No Solution Exploring Operation: 54+1=55, Resulting Numbers: [55] 55,56 unequal: No Solution Moving to Node #0,2,0 Current State: 56:[7, 11], Operations: ['1+54=55', '55/5=11'] Exploring Operation: 7*11=77, Resulting Numbers: [77] 77,56 unequal: No Solution Exploring Operation: 7+11=18, Resulting Numbers: [18] 18,56 unequal: No Solution Exploring Operation: 11-7=4, Resulting Numbers: [4] 4,56 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 95, 52, 59, 79 ]
23
[ "95-52=43", "79-59=20", "43-20=23" ]
Current State: 23:[95, 52, 59, 79], Operations: [] Exploring Operation: 95-52=43, Resulting Numbers: [59, 79, 43] Generated Node #2: [59, 79, 43] from Operation: 95-52=43 Current State: 23:[59, 79, 43], Operations: ['95-52=43'] Exploring Operation: 79-59=20, Resulting Numbers: [43, 20] Generated Node #3: [43, 20] from Operation: 79-59=20 Current State: 23:[43, 20], Operations: ['95-52=43', '79-59=20'] Exploring Operation: 43-20=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
4
Current State: 23:[95, 52, 59, 79], Operations: [] Exploring Operation: 95-79=16, Resulting Numbers: [52, 59, 16] Generated Node #0,0: 23:[52, 59, 16] Operation: 95-79=16 Exploring Operation: 79-59=20, Resulting Numbers: [95, 52, 20] Generated Node #0,1: 23:[95, 52, 20] Operation: 79-59=20 Exploring Operation: 95-59=36, Resulting Numbers: [52, 79, 36] Generated Node #0,2: 23:[52, 79, 36] Operation: 95-59=36 Exploring Operation: 79-52=27, Resulting Numbers: [95, 59, 27] Generated Node #0,3: 23:[95, 59, 27] Operation: 79-52=27 Exploring Operation: 95-52=43, Resulting Numbers: [59, 79, 43] Generated Node #0,4: 23:[59, 79, 43] Operation: 95-52=43 Start Sub Search at level 1: Moving to Node #0,0 Current State: 23:[52, 59, 16], Operations: ['95-79=16'] Exploring Operation: 59-52=7, Resulting Numbers: [16, 7] Generated Node #0,0,0: 23:[16, 7] Operation: 59-52=7 Exploring Operation: 52+16=68, Resulting Numbers: [59, 68] Generated Node #0,0,1: 23:[59, 68] Operation: 52+16=68 Exploring Operation: 59+16=75, Resulting Numbers: [52, 75] Generated Node #0,0,2: 23:[52, 75] Operation: 59+16=75 Exploring Operation: 59-16=43, Resulting Numbers: [52, 43] Generated Node #0,0,3: 23:[52, 43] Operation: 59-16=43 Exploring Operation: 52-16=36, Resulting Numbers: [59, 36] Generated Node #0,0,4: 23:[59, 36] Operation: 52-16=36 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 23:[16, 7], Operations: ['95-79=16', '59-52=7'] Exploring Operation: 16+7=23, Resulting Numbers: [23] 23,23 equal: Goal Reached Moving to Node #0 Current State: 23:[95, 52, 59, 79], Operations: [] Exploring Operation: 95-79=16, Resulting Numbers: [52, 59, 16] Generated Node #0,0: 23:[52, 59, 16] Operation: 95-79=16 Moving to Node #0,0 Current State: 23:[52, 59, 16], Operations: ['95-79=16'] Exploring Operation: 59-52=7, Resulting Numbers: [16, 7] Generated Node #0,0,0: 23:[16, 7] Operation: 59-52=7 Moving to Node #0,0,0 Current State: 23:[16, 7], Operations: ['95-79=16', '59-52=7'] Exploring Operation: 16+7=23, Resulting Numbers: [23] 23,23 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986979
hs_5
sum_heuristic
[ 53, 93, 61, 71 ]
46
[ "61*71=4331", "4331-53=4278", "4278/93=46" ]
Current State: 46:[53, 93, 61, 71], Operations: [] Exploring Operation: 61*71=4331, Resulting Numbers: [53, 93, 4331] Generated Node #2: [53, 93, 4331] from Operation: 61*71=4331 Current State: 46:[53, 93, 4331], Operations: ['61*71=4331'] Exploring Operation: 4331-53=4278, Resulting Numbers: [93, 4278] Generated Node #3: [93, 4278] from Operation: 4331-53=4278 Current State: 46:[93, 4278], Operations: ['61*71=4331', '4331-53=4278'] Exploring Operation: 4278/93=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
4
Current State: 46:[53, 93, 61, 71], Operations: [] Exploring Operation: 93-71=22, Resulting Numbers: [53, 61, 22] Generated Node #0,0: 46:[53, 61, 22] Operation: 93-71=22 Moving to Node #0,0 Current State: 46:[53, 61, 22], Operations: ['93-71=22'] Exploring Operation: 61-53=8, Resulting Numbers: [22, 8] Generated Node #0,0,0: 46:[22, 8] Operation: 61-53=8 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 46:[22, 8], Operations: ['93-71=22', '61-53=8'] Exploring Operation: 22+8=30, Resulting Numbers: [30] 30,46 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 9, 11, 69, 25 ]
13
[ "69-25=44", "44/11=4", "9+4=13" ]
Current State: 13:[9, 11, 69, 25], Operations: [] Exploring Operation: 69-25=44, Resulting Numbers: [9, 11, 44] Generated Node #2: [9, 11, 44] from Operation: 69-25=44 Current State: 13:[9, 11, 44], Operations: ['69-25=44'] Exploring Operation: 44/11=4, Resulting Numbers: [9, 4] Generated Node #3: [9, 4] from Operation: 44/11=4 Current State: 13:[9, 4], Operations: ['69-25=44', '44/11=4'] Exploring Operation: 9+4=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
4
Current State: 13:[9, 11, 69, 25], Operations: [] Exploring Operation: 69-25=44, Resulting Numbers: [9, 11, 44] Generated Node #0,0: 13:[9, 11, 44] Operation: 69-25=44 Exploring Operation: 69-9=60, Resulting Numbers: [11, 25, 60] Generated Node #0,1: 13:[11, 25, 60] Operation: 69-9=60 Start Sub Search at level 1: Moving to Node #0,0 Current State: 13:[9, 11, 44], Operations: ['69-25=44'] Exploring Operation: 44-9=35, Resulting Numbers: [11, 35] Generated Node #0,0,0: 13:[11, 35] Operation: 44-9=35 Exploring Operation: 44/11=4, Resulting Numbers: [9, 4] Generated Node #0,0,1: 13:[9, 4] Operation: 44/11=4 Moving to Node #0,0,1 Current State: 13:[9, 4], Operations: ['69-25=44', '44/11=4'] Exploring Operation: 9-4=5, Resulting Numbers: [5] 5,13 unequal: No Solution Exploring Operation: 9+4=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Moving to Node #0 Current State: 13:[9, 11, 69, 25], Operations: [] Exploring Operation: 69-25=44, Resulting Numbers: [9, 11, 44] Generated Node #0,0: 13:[9, 11, 44] Operation: 69-25=44 Moving to Node #0,0 Current State: 13:[9, 11, 44], Operations: ['69-25=44'] Exploring Operation: 44/11=4, Resulting Numbers: [9, 4] Generated Node #0,0,1: 13:[9, 4] Operation: 44/11=4 Moving to Node #0,0,1 Current State: 13:[9, 4], Operations: ['69-25=44', '44/11=4'] Exploring Operation: 9+4=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Exit Sub Search at level 1
0.991319
hs_2
sum_heuristic
[ 6, 47, 54, 5 ]
100
[ "47-6=41", "54+5=59", "41+59=100" ]
Current State: 100:[6, 47, 54, 5], Operations: [] Exploring Operation: 47-6=41, Resulting Numbers: [54, 5, 41] Generated Node #2: [54, 5, 41] from Operation: 47-6=41 Current State: 100:[54, 5, 41], Operations: ['47-6=41'] Exploring Operation: 54+5=59, Resulting Numbers: [41, 59] Generated Node #3: [41, 59] from Operation: 54+5=59 Current State: 100:[41, 59], Operations: ['47-6=41', '54+5=59'] Exploring Operation: 41+59=100, Resulting Numbers: [100] 100,100 equal: Goal Reached
4
Current State: 100:[6, 47, 54, 5], Operations: [] Exploring Operation: 54-6=48, Resulting Numbers: [47, 5, 48] Generated Node #0,0: 100:[47, 5, 48] Operation: 54-6=48 Exploring Operation: 54/6=9, Resulting Numbers: [47, 5, 9] Generated Node #0,1: 100:[47, 5, 9] Operation: 54/6=9 Exploring Operation: 47+54=101, Resulting Numbers: [6, 5, 101] Generated Node #0,2: 100:[6, 5, 101] Operation: 47+54=101 Exploring Operation: 54-47=7, Resulting Numbers: [6, 5, 7] Generated Node #0,3: 100:[6, 5, 7] Operation: 54-47=7 Start Sub Search at level 1: Moving to Node #0,2 Current State: 100:[6, 5, 101], Operations: ['47+54=101'] Exploring Operation: 6-5=1, Resulting Numbers: [101, 1] Generated Node #0,2,0: 100:[101, 1] Operation: 6-5=1 Exploring Operation: 101-6=95, Resulting Numbers: [5, 95] Generated Node #0,2,1: 100:[5, 95] Operation: 101-6=95 Exploring Operation: 6+5=11, Resulting Numbers: [101, 11] Generated Node #0,2,2: 100:[101, 11] Operation: 6+5=11 Exploring Operation: 101-5=96, Resulting Numbers: [6, 96] Generated Node #0,2,3: 100:[6, 96] Operation: 101-5=96 Moving to Node #0,2,0 Current State: 100:[101, 1], Operations: ['47+54=101', '6-5=1'] Exploring Operation: 101/1=101, Resulting Numbers: [101] 101,100 unequal: No Solution Exploring Operation: 101+1=102, Resulting Numbers: [102] 102,100 unequal: No Solution Exploring Operation: 101*1=101, Resulting Numbers: [101] 101,100 unequal: No Solution Exploring Operation: 101-1=100, Resulting Numbers: [100] 100,100 equal: Goal Reached Moving to Node #0 Current State: 100:[6, 47, 54, 5], Operations: [] Exploring Operation: 47+54=101, Resulting Numbers: [6, 5, 101] Generated Node #0,2: 100:[6, 5, 101] Operation: 47+54=101 Moving to Node #0,2 Current State: 100:[6, 5, 101], Operations: ['47+54=101'] Exploring Operation: 6-5=1, Resulting Numbers: [101, 1] Generated Node #0,2,0: 100:[101, 1] Operation: 6-5=1 Moving to Node #0,2,0 Current State: 100:[101, 1], Operations: ['47+54=101', '6-5=1'] Exploring Operation: 101-1=100, Resulting Numbers: [100] 100,100 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_4
mult_heuristic
[ 39, 52, 8, 44 ]
65
[ "52-39=13", "8+44=52", "13+52=65" ]
Current State: 65:[39, 52, 8, 44], Operations: [] Exploring Operation: 52-39=13, Resulting Numbers: [8, 44, 13] Generated Node #2: [8, 44, 13] from Operation: 52-39=13 Current State: 65:[8, 44, 13], Operations: ['52-39=13'] Exploring Operation: 8+44=52, Resulting Numbers: [13, 52] Generated Node #3: [13, 52] from Operation: 8+44=52 Current State: 65:[13, 52], Operations: ['52-39=13', '8+44=52'] Exploring Operation: 13+52=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
4
Current State: 65:[39, 52, 8, 44], Operations: [] Exploring Operation: 44-39=5, Resulting Numbers: [52, 8, 5] Generated Node #0,0: 65:[52, 8, 5] Operation: 44-39=5 Moving to Node #0,0 Current State: 65:[52, 8, 5], Operations: ['44-39=5'] Exploring Operation: 52+8=60, Resulting Numbers: [5, 60] Generated Node #0,0,0: 65:[5, 60] Operation: 52+8=60 Moving to Node #0,0,0 Current State: 65:[5, 60], Operations: ['44-39=5', '52+8=60'] Exploring Operation: 5+60=65, Resulting Numbers: [65] 65,65 equal: Goal Reached Moving to Node #0 Current State: 65:[39, 52, 8, 44], Operations: [] Exploring Operation: 44-39=5, Resulting Numbers: [52, 8, 5] Generated Node #0,0: 65:[52, 8, 5] Operation: 44-39=5 Moving to Node #0,0 Current State: 65:[52, 8, 5], Operations: ['44-39=5'] Exploring Operation: 52+8=60, Resulting Numbers: [5, 60] Generated Node #0,0,0: 65:[5, 60] Operation: 52+8=60 Moving to Node #0,0,0 Current State: 65:[5, 60], Operations: ['44-39=5', '52+8=60'] Exploring Operation: 5+60=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
0.993924
hs_1
sum_heuristic
[ 49, 18, 85, 53 ]
99
[ "49+18=67", "85-53=32", "67+32=99" ]
Current State: 99:[49, 18, 85, 53], Operations: [] Exploring Operation: 49+18=67, Resulting Numbers: [85, 53, 67] Generated Node #2: [85, 53, 67] from Operation: 49+18=67 Current State: 99:[85, 53, 67], Operations: ['49+18=67'] Exploring Operation: 85-53=32, Resulting Numbers: [67, 32] Generated Node #3: [67, 32] from Operation: 85-53=32 Current State: 99:[67, 32], Operations: ['49+18=67', '85-53=32'] Exploring Operation: 67+32=99, Resulting Numbers: [99] 99,99 equal: Goal Reached
4
Current State: 99:[49, 18, 85, 53], Operations: [] Exploring Operation: 49+53=102, Resulting Numbers: [18, 85, 102] Generated Node #0,0: 99:[18, 85, 102] Operation: 49+53=102 Exploring Operation: 85-49=36, Resulting Numbers: [18, 53, 36] Generated Node #0,1: 99:[18, 53, 36] Operation: 85-49=36 Exploring Operation: 53-49=4, Resulting Numbers: [18, 85, 4] Generated Node #0,2: 99:[18, 85, 4] Operation: 53-49=4 Exploring Operation: 85-53=32, Resulting Numbers: [49, 18, 32] Generated Node #0,3: 99:[49, 18, 32] Operation: 85-53=32 Moving to Node #0,2 Current State: 99:[18, 85, 4], Operations: ['53-49=4'] Exploring Operation: 85+4=89, Resulting Numbers: [18, 89] Generated Node #0,2,0: 99:[18, 89] Operation: 85+4=89 Exploring Operation: 18-4=14, Resulting Numbers: [85, 14] Generated Node #0,2,1: 99:[85, 14] Operation: 18-4=14 Exploring Operation: 18+4=22, Resulting Numbers: [85, 22] Generated Node #0,2,2: 99:[85, 22] Operation: 18+4=22 Exploring Operation: 18+85=103, Resulting Numbers: [4, 103] Generated Node #0,2,3: 99:[4, 103] Operation: 18+85=103 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 99:[4, 103], Operations: ['53-49=4', '18+85=103'] Exploring Operation: 4+103=107, Resulting Numbers: [107] 107,99 unequal: No Solution Exploring Operation: 103-4=99, Resulting Numbers: [99] 99,99 equal: Goal Reached Moving to Node #0 Current State: 99:[49, 18, 85, 53], Operations: [] Exploring Operation: 53-49=4, Resulting Numbers: [18, 85, 4] Generated Node #0,2: 99:[18, 85, 4] Operation: 53-49=4 Moving to Node #0,2 Current State: 99:[18, 85, 4], Operations: ['53-49=4'] Exploring Operation: 18+85=103, Resulting Numbers: [4, 103] Generated Node #0,2,3: 99:[4, 103] Operation: 18+85=103 Moving to Node #0,2,3 Current State: 99:[4, 103], Operations: ['53-49=4', '18+85=103'] Exploring Operation: 103-4=99, Resulting Numbers: [99] 99,99 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_4
mult_heuristic
[ 69, 36, 8, 21 ]
51
[ "36-21=15", "8*15=120", "120-69=51" ]
Current State: 51:[69, 36, 8, 21], Operations: [] Exploring Operation: 36-21=15, Resulting Numbers: [69, 8, 15] Generated Node #2: [69, 8, 15] from Operation: 36-21=15 Current State: 51:[69, 8, 15], Operations: ['36-21=15'] Exploring Operation: 8*15=120, Resulting Numbers: [69, 120] Generated Node #3: [69, 120] from Operation: 8*15=120 Current State: 51:[69, 120], Operations: ['36-21=15', '8*15=120'] Exploring Operation: 120-69=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[69, 36, 8, 21], Operations: [] Exploring Operation: 69-8=61, Resulting Numbers: [36, 21, 61] Generated Node #0,0: 51:[36, 21, 61] Operation: 69-8=61 Exploring Operation: 36+8=44, Resulting Numbers: [69, 21, 44] Generated Node #0,1: 51:[69, 21, 44] Operation: 36+8=44 Exploring Operation: 36-21=15, Resulting Numbers: [69, 8, 15] Generated Node #0,2: 51:[69, 8, 15] Operation: 36-21=15 Exploring Operation: 69-36=33, Resulting Numbers: [8, 21, 33] Generated Node #0,3: 51:[8, 21, 33] Operation: 69-36=33 Exploring Operation: 69-21=48, Resulting Numbers: [36, 8, 48] Generated Node #0,4: 51:[36, 8, 48] Operation: 69-21=48 Moving to Node #0,4 Current State: 51:[36, 8, 48], Operations: ['69-21=48'] Exploring Operation: 48-36=12, Resulting Numbers: [8, 12] Generated Node #0,4,0: 51:[8, 12] Operation: 48-36=12 Exploring Operation: 36-8=28, Resulting Numbers: [48, 28] Generated Node #0,4,1: 51:[48, 28] Operation: 36-8=28 Exploring Operation: 8+48=56, Resulting Numbers: [36, 56] Generated Node #0,4,2: 51:[36, 56] Operation: 8+48=56 Exploring Operation: 36+8=44, Resulting Numbers: [48, 44] Generated Node #0,4,3: 51:[48, 44] Operation: 36+8=44 Exploring Operation: 48/8=6, Resulting Numbers: [36, 6] Generated Node #0,4,4: 51:[36, 6] Operation: 48/8=6 Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 51:[8, 12], Operations: ['69-21=48', '48-36=12'] Exploring Operation: 12-8=4, Resulting Numbers: [4] 4,51 unequal: No Solution Exploring Operation: 8*12=96, Resulting Numbers: [96] 96,51 unequal: No Solution Exploring Operation: 8+12=20, Resulting Numbers: [20] 20,51 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 51:[48, 44], Operations: ['69-21=48', '36+8=44'] Exploring Operation: 48*44=2112, Resulting Numbers: [2112] 2112,51 unequal: No Solution Exploring Operation: 48-44=4, Resulting Numbers: [4] 4,51 unequal: No Solution Exploring Operation: 48+44=92, Resulting Numbers: [92] 92,51 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 51:[48, 28], Operations: ['69-21=48', '36-8=28'] Exploring Operation: 48-28=20, Resulting Numbers: [20] 20,51 unequal: No Solution Exploring Operation: 48+28=76, Resulting Numbers: [76] 76,51 unequal: No Solution Exploring Operation: 48*28=1344, Resulting Numbers: [1344] 1344,51 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 51:[36, 6], Operations: ['69-21=48', '48/8=6'] Exploring Operation: 36/6=6, Resulting Numbers: [6] 6,51 unequal: No Solution Exploring Operation: 36-6=30, Resulting Numbers: [30] 30,51 unequal: No Solution Exploring Operation: 36*6=216, Resulting Numbers: [216] 216,51 unequal: No Solution Exploring Operation: 36+6=42, Resulting Numbers: [42] 42,51 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 51:[36, 56], Operations: ['69-21=48', '8+48=56'] Exploring Operation: 36+56=92, Resulting Numbers: [92] 92,51 unequal: No Solution Exploring Operation: 56-36=20, Resulting Numbers: [20] 20,51 unequal: No Solution Exploring Operation: 36*56=2016, Resulting Numbers: [2016] 2016,51 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: 51:[8, 21, 33], Operations: ['69-36=33'] Exploring Operation: 33-8=25, Resulting Numbers: [21, 25] Generated Node #0,3,0: 51:[21, 25] Operation: 33-8=25 Exploring Operation: 21+33=54, Resulting Numbers: [8, 54] Generated Node #0,3,1: 51:[8, 54] Operation: 21+33=54 Exploring Operation: 21-8=13, Resulting Numbers: [33, 13] Generated Node #0,3,2: 51:[33, 13] Operation: 21-8=13 Exploring Operation: 33-21=12, Resulting Numbers: [8, 12] Generated Node #0,3,3: 51:[8, 12] Operation: 33-21=12 Exploring Operation: 8+33=41, Resulting Numbers: [21, 41] Generated Node #0,3,4: 51:[21, 41] Operation: 8+33=41 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 51:[8, 54], Operations: ['69-36=33', '21+33=54'] Exploring Operation: 54-8=46, Resulting Numbers: [46] 46,51 unequal: No Solution Exploring Operation: 8*54=432, Resulting Numbers: [432] 432,51 unequal: No Solution Exploring Operation: 8+54=62, Resulting Numbers: [62] 62,51 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 51:[8, 12], Operations: ['69-36=33', '33-21=12'] Exploring Operation: 12-8=4, Resulting Numbers: [4] 4,51 unequal: No Solution Exploring Operation: 8*12=96, Resulting Numbers: [96] 96,51 unequal: No Solution Exploring Operation: 8+12=20, Resulting Numbers: [20] 20,51 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 51:[21, 25], Operations: ['69-36=33', '33-8=25'] Exploring Operation: 21*25=525, Resulting Numbers: [525] 525,51 unequal: No Solution Exploring Operation: 21+25=46, Resulting Numbers: [46] 46,51 unequal: No Solution Exploring Operation: 25-21=4, Resulting Numbers: [4] 4,51 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 51:[21, 41], Operations: ['69-36=33', '8+33=41'] Exploring Operation: 21+41=62, Resulting Numbers: [62] 62,51 unequal: No Solution Exploring Operation: 41-21=20, Resulting Numbers: [20] 20,51 unequal: No Solution Exploring Operation: 21*41=861, Resulting Numbers: [861] 861,51 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 51:[33, 13], Operations: ['69-36=33', '21-8=13'] Exploring Operation: 33-13=20, Resulting Numbers: [20] 20,51 unequal: No Solution Exploring Operation: 33+13=46, Resulting Numbers: [46] 46,51 unequal: No Solution Exploring Operation: 33*13=429, Resulting Numbers: [429] 429,51 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: 51:[69, 8, 15], Operations: ['36-21=15'] Exploring Operation: 8+15=23, Resulting Numbers: [69, 23] Generated Node #0,2,0: 51:[69, 23] Operation: 8+15=23 Exploring Operation: 69+8=77, Resulting Numbers: [15, 77] Generated Node #0,2,1: 51:[15, 77] Operation: 69+8=77 Exploring Operation: 69-15=54, Resulting Numbers: [8, 54] Generated Node #0,2,2: 51:[8, 54] Operation: 69-15=54 Exploring Operation: 69-8=61, Resulting Numbers: [15, 61] Generated Node #0,2,3: 51:[15, 61] Operation: 69-8=61 Exploring Operation: 15-8=7, Resulting Numbers: [69, 7] Generated Node #0,2,4: 51:[69, 7] Operation: 15-8=7 Moving to Node #0,0 Current State: 51:[36, 21, 61], Operations: ['69-8=61'] Exploring Operation: 21+61=82, Resulting Numbers: [36, 82] Generated Node #0,0,0: 51:[36, 82] Operation: 21+61=82 Exploring Operation: 61-36=25, Resulting Numbers: [21, 25] Generated Node #0,0,1: 51:[21, 25] Operation: 61-36=25 Exploring Operation: 36-21=15, Resulting Numbers: [61, 15] Generated Node #0,0,2: 51:[61, 15] Operation: 36-21=15 Exploring Operation: 61-21=40, Resulting Numbers: [36, 40] Generated Node #0,0,3: 51:[36, 40] Operation: 61-21=40 Exploring Operation: 36+21=57, Resulting Numbers: [61, 57] Generated Node #0,0,4: 51:[61, 57] Operation: 36+21=57 Moving to Node #0,1 Current State: 51:[69, 21, 44], Operations: ['36+8=44'] Exploring Operation: 69-44=25, Resulting Numbers: [21, 25] Generated Node #0,1,0: 51:[21, 25] Operation: 69-44=25 Exploring Operation: 69+21=90, Resulting Numbers: [44, 90] Generated Node #0,1,1: 51:[44, 90] Operation: 69+21=90 Exploring Operation: 69-21=48, Resulting Numbers: [44, 48] Generated Node #0,1,2: 51:[44, 48] Operation: 69-21=48 Exploring Operation: 44-21=23, Resulting Numbers: [69, 23] Generated Node #0,1,3: 51:[69, 23] Operation: 44-21=23 Exploring Operation: 21+44=65, Resulting Numbers: [69, 65] Generated Node #0,1,4: 51:[69, 65] Operation: 21+44=65 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 51:[44, 48], Operations: ['36+8=44', '69-21=48'] Exploring Operation: 44*48=2112, Resulting Numbers: [2112] 2112,51 unequal: No Solution Exploring Operation: 48-44=4, Resulting Numbers: [4] 4,51 unequal: No Solution Exploring Operation: 44+48=92, Resulting Numbers: [92] 92,51 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 51:[21, 25], Operations: ['36+8=44', '69-44=25'] Exploring Operation: 21*25=525, Resulting Numbers: [525] 525,51 unequal: No Solution Exploring Operation: 21+25=46, Resulting Numbers: [46] 46,51 unequal: No Solution Exploring Operation: 25-21=4, Resulting Numbers: [4] 4,51 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 51:[69, 23], Operations: ['36+8=44', '44-21=23'] Exploring Operation: 69*23=1587, Resulting Numbers: [1587] 1587,51 unequal: No Solution Exploring Operation: 69-23=46, Resulting Numbers: [46] 46,51 unequal: No Solution Exploring Operation: 69/23=3, Resulting Numbers: [3] 3,51 unequal: No Solution Exploring Operation: 69+23=92, Resulting Numbers: [92] 92,51 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 51:[69, 65], Operations: ['36+8=44', '21+44=65'] Exploring Operation: 69*65=4485, Resulting Numbers: [4485] 4485,51 unequal: No Solution Exploring Operation: 69-65=4, Resulting Numbers: [4] 4,51 unequal: No Solution Exploring Operation: 69+65=134, Resulting Numbers: [134] 134,51 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 51:[44, 90], Operations: ['36+8=44', '69+21=90'] Exploring Operation: 44+90=134, Resulting Numbers: [134] 134,51 unequal: No Solution Exploring Operation: 90-44=46, Resulting Numbers: [46] 46,51 unequal: No Solution Exploring Operation: 44*90=3960, Resulting Numbers: [3960] 3960,51 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2,2 Current State: 51:[8, 54], Operations: ['36-21=15', '69-15=54'] Exploring Operation: 8*54=432, Resulting Numbers: [432] 432,51 unequal: No Solution Exploring Operation: 54-8=46, Resulting Numbers: [46] 46,51 unequal: No Solution Exploring Operation: 8+54=62, Resulting Numbers: [62] 62,51 unequal: No Solution Moving to Node #0,0,1 Current State: 51:[21, 25], Operations: ['69-8=61', '61-36=25'] Exploring Operation: 25-21=4, Resulting Numbers: [4] 4,51 unequal: No Solution Exploring Operation: 21+25=46, Resulting Numbers: [46] 46,51 unequal: No Solution Exploring Operation: 21*25=525, Resulting Numbers: [525] 525,51 unequal: No Solution Moving to Node #0,0,2 Current State: 51:[61, 15], Operations: ['69-8=61', '36-21=15'] Exploring Operation: 61*15=915, Resulting Numbers: [915] 915,51 unequal: No Solution Exploring Operation: 61+15=76, Resulting Numbers: [76] 76,51 unequal: No Solution Exploring Operation: 61-15=46, Resulting Numbers: [46] 46,51 unequal: No Solution Moving to Node #0,2,3 Current State: 51:[15, 61], Operations: ['36-21=15', '69-8=61'] Exploring Operation: 61-15=46, Resulting Numbers: [46] 46,51 unequal: No Solution Exploring Operation: 15*61=915, Resulting Numbers: [915] 915,51 unequal: No Solution Exploring Operation: 15+61=76, Resulting Numbers: [76] 76,51 unequal: No Solution Moving to Node #0,0,4 Current State: 51:[61, 57], Operations: ['69-8=61', '36+21=57'] Exploring Operation: 61-57=4, Resulting Numbers: [4] 4,51 unequal: No Solution Exploring Operation: 61*57=3477, Resulting Numbers: [3477] 3477,51 unequal: No Solution Exploring Operation: 61+57=118, Resulting Numbers: [118] 118,51 unequal: No Solution Moving to Node #0,2,4 Current State: 51:[69, 7], Operations: ['36-21=15', '15-8=7'] Exploring Operation: 69+7=76, Resulting Numbers: [76] 76,51 unequal: No Solution Exploring Operation: 69*7=483, Resulting Numbers: [483] 483,51 unequal: No Solution Exploring Operation: 69-7=62, Resulting Numbers: [62] 62,51 unequal: No Solution Moving to Node #0,2,0 Current State: 51:[69, 23], Operations: ['36-21=15', '8+15=23'] Exploring Operation: 69*23=1587, Resulting Numbers: [1587] 1587,51 unequal: No Solution Exploring Operation: 69-23=46, Resulting Numbers: [46] 46,51 unequal: No Solution Exploring Operation: 69/23=3, Resulting Numbers: [3] 3,51 unequal: No Solution Exploring Operation: 69+23=92, Resulting Numbers: [92] 92,51 unequal: No Solution Moving to Node #0,0,3 Current State: 51:[36, 40], Operations: ['69-8=61', '61-21=40'] Exploring Operation: 36+40=76, Resulting Numbers: [76] 76,51 unequal: No Solution Exploring Operation: 36*40=1440, Resulting Numbers: [1440] 1440,51 unequal: No Solution Exploring Operation: 40-36=4, Resulting Numbers: [4] 4,51 unequal: No Solution Moving to Node #0,2,1 Current State: 51:[15, 77], Operations: ['36-21=15', '69+8=77'] Exploring Operation: 15+77=92, Resulting Numbers: [92] 92,51 unequal: No Solution Exploring Operation: 15*77=1155, Resulting Numbers: [1155] 1155,51 unequal: No Solution Exploring Operation: 77-15=62, Resulting Numbers: [62] 62,51 unequal: No Solution Moving to Node #0,0,0 Current State: 51:[36, 82], Operations: ['69-8=61', '21+61=82'] Exploring Operation: 36*82=2952, Resulting Numbers: [2952] 2952,51 unequal: No Solution Exploring Operation: 82-36=46, Resulting Numbers: [46] 46,51 unequal: No Solution Exploring Operation: 36+82=118, Resulting Numbers: [118] 118,51 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 2, 66, 83, 34 ]
68
[ "83-66=17", "2*17=34", "34+34=68" ]
Current State: 68:[2, 66, 83, 34], Operations: [] Exploring Operation: 83-66=17, Resulting Numbers: [2, 34, 17] Generated Node #2: [2, 34, 17] from Operation: 83-66=17 Current State: 68:[2, 34, 17], Operations: ['83-66=17'] Exploring Operation: 2*17=34, Resulting Numbers: [34, 34] Generated Node #3: [34, 34] from Operation: 2*17=34 Current State: 68:[34, 34], Operations: ['83-66=17', '2*17=34'] Exploring Operation: 34+34=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
4
Current State: 68:[2, 66, 83, 34], Operations: [] Exploring Operation: 2+66=68, Resulting Numbers: [83, 34, 68] Generated Node #0,0: 68:[83, 34, 68] Operation: 2+66=68 Exploring Operation: 83-66=17, Resulting Numbers: [2, 34, 17] Generated Node #0,1: 68:[2, 34, 17] Operation: 83-66=17 Start Sub Search at level 1: Moving to Node #0,1 Current State: 68:[2, 34, 17], Operations: ['83-66=17'] Exploring Operation: 2*34=68, Resulting Numbers: [17, 68] Generated Node #0,1,0: 68:[17, 68] Operation: 2*34=68 Exploring Operation: 34/2=17, Resulting Numbers: [17, 17] Generated Node #0,1,1: 68:[17, 17] Operation: 34/2=17 Moving to Node #0,1,0 Current State: 68:[17, 68], Operations: ['83-66=17', '2*34=68'] Exploring Operation: 17+68=85, Resulting Numbers: [85] 85,68 unequal: No Solution Exploring Operation: 68/17=4, Resulting Numbers: [4] 4,68 unequal: No Solution Moving to Node #0,1,1 Current State: 68:[17, 17], Operations: ['83-66=17', '34/2=17'] Exploring Operation: 17+17=34, Resulting Numbers: [34] 34,68 unequal: No Solution Exploring Operation: 17/17=1, Resulting Numbers: [1] 1,68 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 68:[83, 34, 68], Operations: ['2+66=68'] Exploring Operation: 83-34=49, Resulting Numbers: [68, 49] Generated Node #0,0,0: 68:[68, 49] Operation: 83-34=49 Exploring Operation: 83-68=15, Resulting Numbers: [34, 15] Generated Node #0,0,1: 68:[34, 15] Operation: 83-68=15 Moving to Node #0,0,1 Current State: 68:[34, 15], Operations: ['2+66=68', '83-68=15'] Exploring Operation: 34+15=49, Resulting Numbers: [49] 49,68 unequal: No Solution Exploring Operation: 34-15=19, Resulting Numbers: [19] 19,68 unequal: No Solution Moving to Node #0,0,0 Current State: 68:[68, 49], Operations: ['2+66=68', '83-34=49'] Exploring Operation: 68+49=117, Resulting Numbers: [117] 117,68 unequal: No Solution Exploring Operation: 68-49=19, Resulting Numbers: [19] 19,68 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 83, 85, 29, 84 ]
55
[ "83+85=168", "29+84=113", "168-113=55" ]
Current State: 55:[83, 85, 29, 84], Operations: [] Exploring Operation: 83+85=168, Resulting Numbers: [29, 84, 168] Generated Node #2: [29, 84, 168] from Operation: 83+85=168 Current State: 55:[29, 84, 168], Operations: ['83+85=168'] Exploring Operation: 29+84=113, Resulting Numbers: [168, 113] Generated Node #3: [168, 113] from Operation: 29+84=113 Current State: 55:[168, 113], Operations: ['83+85=168', '29+84=113'] Exploring Operation: 168-113=55, Resulting Numbers: [55] 55,55 equal: Goal Reached
4
Current State: 55:[83, 85, 29, 84], Operations: [] Exploring Operation: 85-83=2, Resulting Numbers: [29, 84, 2] Generated Node #0,0: 55:[29, 84, 2] Operation: 85-83=2 Moving to Node #0,0 Current State: 55:[29, 84, 2], Operations: ['85-83=2'] Exploring Operation: 84-29=55, Resulting Numbers: [2, 55] Generated Node #0,0,0: 55:[2, 55] Operation: 84-29=55 Moving to Node #0,0,0 Current State: 55:[2, 55], Operations: ['85-83=2', '84-29=55'] Exploring Operation: 2+55=57, Resulting Numbers: [57] 57,55 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 85, 82, 10, 8 ]
50
[ "85-82=3", "8-3=5", "10*5=50" ]
Current State: 50:[85, 82, 10, 8], Operations: [] Exploring Operation: 85-82=3, Resulting Numbers: [10, 8, 3] Generated Node #2: [10, 8, 3] from Operation: 85-82=3 Current State: 50:[10, 8, 3], Operations: ['85-82=3'] Exploring Operation: 8-3=5, Resulting Numbers: [10, 5] Generated Node #3: [10, 5] from Operation: 8-3=5 Current State: 50:[10, 5], Operations: ['85-82=3', '8-3=5'] Exploring Operation: 10*5=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[85, 82, 10, 8], Operations: [] Exploring Operation: 82-10=72, Resulting Numbers: [85, 8, 72] Generated Node #0,0: 50:[85, 8, 72] Operation: 82-10=72 Exploring Operation: 85-10=75, Resulting Numbers: [82, 8, 75] Generated Node #0,1: 50:[82, 8, 75] Operation: 85-10=75 Exploring Operation: 82-8=74, Resulting Numbers: [85, 10, 74] Generated Node #0,2: 50:[85, 10, 74] Operation: 82-8=74 Exploring Operation: 85-82=3, Resulting Numbers: [10, 8, 3] Generated Node #0,3: 50:[10, 8, 3] Operation: 85-82=3 Exploring Operation: 85-8=77, Resulting Numbers: [82, 10, 77] Generated Node #0,4: 50:[82, 10, 77] Operation: 85-8=77 Moving to Node #0,3 Current State: 50:[10, 8, 3], Operations: ['85-82=3'] Exploring Operation: 10-3=7, Resulting Numbers: [8, 7] Generated Node #0,3,0: 50:[8, 7] Operation: 10-3=7 Exploring Operation: 8+3=11, Resulting Numbers: [10, 11] Generated Node #0,3,1: 50:[10, 11] Operation: 8+3=11 Exploring Operation: 10-8=2, Resulting Numbers: [3, 2] Generated Node #0,3,2: 50:[3, 2] Operation: 10-8=2 Exploring Operation: 8*3=24, Resulting Numbers: [10, 24] Generated Node #0,3,3: 50:[10, 24] Operation: 8*3=24 Exploring Operation: 8-3=5, Resulting Numbers: [10, 5] Generated Node #0,3,4: 50:[10, 5] Operation: 8-3=5 Moving to Node #0,1 Current State: 50:[82, 8, 75], Operations: ['85-10=75'] Exploring Operation: 82-75=7, Resulting Numbers: [8, 7] Generated Node #0,1,0: 50:[8, 7] Operation: 82-75=7 Exploring Operation: 75-8=67, Resulting Numbers: [82, 67] Generated Node #0,1,1: 50:[82, 67] Operation: 75-8=67 Exploring Operation: 8+75=83, Resulting Numbers: [82, 83] Generated Node #0,1,2: 50:[82, 83] Operation: 8+75=83 Exploring Operation: 82+8=90, Resulting Numbers: [75, 90] Generated Node #0,1,3: 50:[75, 90] Operation: 82+8=90 Exploring Operation: 82-8=74, Resulting Numbers: [75, 74] Generated Node #0,1,4: 50:[75, 74] Operation: 82-8=74 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 50:[8, 7], Operations: ['85-10=75', '82-75=7'] Exploring Operation: 8+7=15, Resulting Numbers: [15] 15,50 unequal: No Solution Exploring Operation: 8-7=1, Resulting Numbers: [1] 1,50 unequal: No Solution Exploring Operation: 8*7=56, Resulting Numbers: [56] 56,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 50:[82, 67], Operations: ['85-10=75', '75-8=67'] Exploring Operation: 82+67=149, Resulting Numbers: [149] 149,50 unequal: No Solution Exploring Operation: 82-67=15, Resulting Numbers: [15] 15,50 unequal: No Solution Exploring Operation: 82*67=5494, Resulting Numbers: [5494] 5494,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 50:[75, 74], Operations: ['85-10=75', '82-8=74'] Exploring Operation: 75-74=1, Resulting Numbers: [1] 1,50 unequal: No Solution Exploring Operation: 75*74=5550, Resulting Numbers: [5550] 5550,50 unequal: No Solution Exploring Operation: 75+74=149, Resulting Numbers: [149] 149,50 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 #0,1,2 Current State: 50:[82, 83], Operations: ['85-10=75', '8+75=83'] Exploring Operation: 82*83=6806, Resulting Numbers: [6806] 6806,50 unequal: No Solution Exploring Operation: 82+83=165, Resulting Numbers: [165] 165,50 unequal: No Solution Exploring Operation: 83-82=1, Resulting Numbers: [1] 1,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 50:[75, 90], Operations: ['85-10=75', '82+8=90'] Exploring Operation: 90-75=15, Resulting Numbers: [15] 15,50 unequal: No Solution Exploring Operation: 75*90=6750, Resulting Numbers: [6750] 6750,50 unequal: No Solution Exploring Operation: 75+90=165, Resulting Numbers: [165] 165,50 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: 50:[82, 10, 77], Operations: ['85-8=77'] Exploring Operation: 82-10=72, Resulting Numbers: [77, 72] Generated Node #0,4,0: 50:[77, 72] Operation: 82-10=72 Exploring Operation: 10+77=87, Resulting Numbers: [82, 87] Generated Node #0,4,1: 50:[82, 87] Operation: 10+77=87 Exploring Operation: 82+10=92, Resulting Numbers: [77, 92] Generated Node #0,4,2: 50:[77, 92] Operation: 82+10=92 Exploring Operation: 82-77=5, Resulting Numbers: [10, 5] Generated Node #0,4,3: 50:[10, 5] Operation: 82-77=5 Exploring Operation: 77-10=67, Resulting Numbers: [82, 67] Generated Node #0,4,4: 50:[82, 67] Operation: 77-10=67 Moving to Node #0,0 Current State: 50:[85, 8, 72], Operations: ['82-10=72'] Exploring Operation: 72/8=9, Resulting Numbers: [85, 9] Generated Node #0,0,0: 50:[85, 9] Operation: 72/8=9 Exploring Operation: 85+8=93, Resulting Numbers: [72, 93] Generated Node #0,0,1: 50:[72, 93] Operation: 85+8=93 Exploring Operation: 85-8=77, Resulting Numbers: [72, 77] Generated Node #0,0,2: 50:[72, 77] Operation: 85-8=77 Exploring Operation: 85-72=13, Resulting Numbers: [8, 13] Generated Node #0,0,3: 50:[8, 13] Operation: 85-72=13 Exploring Operation: 72-8=64, Resulting Numbers: [85, 64] Generated Node #0,0,4: 50:[85, 64] Operation: 72-8=64 Moving to Node #0,2 Current State: 50:[85, 10, 74], Operations: ['82-8=74'] Exploring Operation: 85+10=95, Resulting Numbers: [74, 95] Generated Node #0,2,0: 50:[74, 95] Operation: 85+10=95 Exploring Operation: 74-10=64, Resulting Numbers: [85, 64] Generated Node #0,2,1: 50:[85, 64] Operation: 74-10=64 Exploring Operation: 85-74=11, Resulting Numbers: [10, 11] Generated Node #0,2,2: 50:[10, 11] Operation: 85-74=11 Exploring Operation: 85-10=75, Resulting Numbers: [74, 75] Generated Node #0,2,3: 50:[74, 75] Operation: 85-10=75 Exploring Operation: 10+74=84, Resulting Numbers: [85, 84] Generated Node #0,2,4: 50:[85, 84] Operation: 10+74=84 Moving to Node #0,3,4 Current State: 50:[10, 5], Operations: ['85-82=3', '8-3=5'] Exploring Operation: 10-5=5, Resulting Numbers: [5] 5,50 unequal: No Solution Exploring Operation: 10*5=50, Resulting Numbers: [50] 50,50 equal: Goal Reached Moving to Node #0 Current State: 50:[85, 82, 10, 8], Operations: [] Exploring Operation: 85-82=3, Resulting Numbers: [10, 8, 3] Generated Node #0,3: 50:[10, 8, 3] Operation: 85-82=3 Moving to Node #0,3 Current State: 50:[10, 8, 3], Operations: ['85-82=3'] Exploring Operation: 8-3=5, Resulting Numbers: [10, 5] Generated Node #0,3,4: 50:[10, 5] Operation: 8-3=5 Moving to Node #0,3,4 Current State: 50:[10, 5], Operations: ['85-82=3', '8-3=5'] Exploring Operation: 10*5=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
0.955729
hs_5
mult_heuristic
[ 21, 70, 84, 95 ]
29
[ "84/21=4", "95-70=25", "4+25=29" ]
Current State: 29:[21, 70, 84, 95], Operations: [] Exploring Operation: 84/21=4, Resulting Numbers: [70, 95, 4] Generated Node #2: [70, 95, 4] from Operation: 84/21=4 Current State: 29:[70, 95, 4], Operations: ['84/21=4'] Exploring Operation: 95-70=25, Resulting Numbers: [4, 25] Generated Node #3: [4, 25] from Operation: 95-70=25 Current State: 29:[4, 25], Operations: ['84/21=4', '95-70=25'] Exploring Operation: 4+25=29, Resulting Numbers: [29] 29,29 equal: Goal Reached
4
Current State: 29:[21, 70, 84, 95], Operations: [] Exploring Operation: 95-84=11, Resulting Numbers: [21, 70, 11] Generated Node #0,0: 29:[21, 70, 11] Operation: 95-84=11 Exploring Operation: 84/21=4, Resulting Numbers: [70, 95, 4] Generated Node #0,1: 29:[70, 95, 4] Operation: 84/21=4 Exploring Operation: 70-21=49, Resulting Numbers: [84, 95, 49] Generated Node #0,2: 29:[84, 95, 49] Operation: 70-21=49 Exploring Operation: 84-70=14, Resulting Numbers: [21, 95, 14] Generated Node #0,3: 29:[21, 95, 14] Operation: 84-70=14 Exploring Operation: 95-70=25, Resulting Numbers: [21, 84, 25] Generated Node #0,4: 29:[21, 84, 25] Operation: 95-70=25 Start Sub Search at level 1: Moving to Node #0,0 Current State: 29:[21, 70, 11], Operations: ['95-84=11'] Exploring Operation: 70-21=49, Resulting Numbers: [11, 49] Generated Node #0,0,0: 29:[11, 49] Operation: 70-21=49 Exploring Operation: 21+11=32, Resulting Numbers: [70, 32] Generated Node #0,0,1: 29:[70, 32] Operation: 21+11=32 Exploring Operation: 70-11=59, Resulting Numbers: [21, 59] Generated Node #0,0,2: 29:[21, 59] Operation: 70-11=59 Exploring Operation: 21-11=10, Resulting Numbers: [70, 10] Generated Node #0,0,3: 29:[70, 10] Operation: 21-11=10 Exploring Operation: 70+11=81, Resulting Numbers: [21, 81] Generated Node #0,0,4: 29:[21, 81] Operation: 70+11=81 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 29:[11, 49], Operations: ['95-84=11', '70-21=49'] Exploring Operation: 11+49=60, Resulting Numbers: [60] 60,29 unequal: No Solution Exploring Operation: 49-11=38, Resulting Numbers: [38] 38,29 unequal: No Solution Exploring Operation: 11*49=539, Resulting Numbers: [539] 539,29 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 29:[21, 59], Operations: ['95-84=11', '70-11=59'] Exploring Operation: 21*59=1239, Resulting Numbers: [1239] 1239,29 unequal: No Solution Exploring Operation: 59-21=38, Resulting Numbers: [38] 38,29 unequal: No Solution Exploring Operation: 21+59=80, Resulting Numbers: [80] 80,29 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 29:[70, 32], Operations: ['95-84=11', '21+11=32'] Exploring Operation: 70*32=2240, Resulting Numbers: [2240] 2240,29 unequal: No Solution Exploring Operation: 70+32=102, Resulting Numbers: [102] 102,29 unequal: No Solution Exploring Operation: 70-32=38, Resulting Numbers: [38] 38,29 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 29:[70, 10], Operations: ['95-84=11', '21-11=10'] Exploring Operation: 70-10=60, Resulting Numbers: [60] 60,29 unequal: No Solution Exploring Operation: 70/10=7, Resulting Numbers: [7] 7,29 unequal: No Solution Exploring Operation: 70+10=80, Resulting Numbers: [80] 80,29 unequal: No Solution Exploring Operation: 70*10=700, Resulting Numbers: [700] 700,29 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 29:[21, 81], Operations: ['95-84=11', '70+11=81'] Exploring Operation: 21+81=102, Resulting Numbers: [102] 102,29 unequal: No Solution Exploring Operation: 21*81=1701, Resulting Numbers: [1701] 1701,29 unequal: No Solution Exploring Operation: 81-21=60, Resulting Numbers: [60] 60,29 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 29:[21, 84, 25], Operations: ['95-70=25'] Exploring Operation: 84/21=4, Resulting Numbers: [25, 4] Generated Node #0,4,0: 29:[25, 4] Operation: 84/21=4 Exploring Operation: 84-21=63, Resulting Numbers: [25, 63] Generated Node #0,4,1: 29:[25, 63] Operation: 84-21=63 Exploring Operation: 21+84=105, Resulting Numbers: [25, 105] Generated Node #0,4,2: 29:[25, 105] Operation: 21+84=105 Exploring Operation: 21+25=46, Resulting Numbers: [84, 46] Generated Node #0,4,3: 29:[84, 46] Operation: 21+25=46 Exploring Operation: 84-25=59, Resulting Numbers: [21, 59] Generated Node #0,4,4: 29:[21, 59] Operation: 84-25=59 Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 29:[25, 4], Operations: ['95-70=25', '84/21=4'] Exploring Operation: 25*4=100, Resulting Numbers: [100] 100,29 unequal: No Solution Exploring Operation: 25+4=29, Resulting Numbers: [29] 29,29 equal: Goal Reached Moving to Node #0 Current State: 29:[21, 70, 84, 95], Operations: [] Exploring Operation: 95-70=25, Resulting Numbers: [21, 84, 25] Generated Node #0,4: 29:[21, 84, 25] Operation: 95-70=25 Moving to Node #0,4 Current State: 29:[21, 84, 25], Operations: ['95-70=25'] Exploring Operation: 84/21=4, Resulting Numbers: [25, 4] Generated Node #0,4,0: 29:[25, 4] Operation: 84/21=4 Moving to Node #0,4,0 Current State: 29:[25, 4], Operations: ['95-70=25', '84/21=4'] Exploring Operation: 25+4=29, Resulting Numbers: [29] 29,29 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.967882
hs_5
mult_heuristic
[ 25, 56, 41, 30 ]
50
[ "25*30=750", "56-41=15", "750/15=50" ]
Current State: 50:[25, 56, 41, 30], Operations: [] Exploring Operation: 25*30=750, Resulting Numbers: [56, 41, 750] Generated Node #2: [56, 41, 750] from Operation: 25*30=750 Current State: 50:[56, 41, 750], Operations: ['25*30=750'] Exploring Operation: 56-41=15, Resulting Numbers: [750, 15] Generated Node #3: [750, 15] from Operation: 56-41=15 Current State: 50:[750, 15], Operations: ['25*30=750', '56-41=15'] Exploring Operation: 750/15=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[25, 56, 41, 30], Operations: [] Exploring Operation: 41-30=11, Resulting Numbers: [25, 56, 11] Generated Node #0,0: 50:[25, 56, 11] Operation: 41-30=11 Exploring Operation: 56-41=15, Resulting Numbers: [25, 30, 15] Generated Node #0,1: 50:[25, 30, 15] Operation: 56-41=15 Moving to Node #0,0 Current State: 50:[25, 56, 11], Operations: ['41-30=11'] Exploring Operation: 56-11=45, Resulting Numbers: [25, 45] Generated Node #0,0,0: 50:[25, 45] Operation: 56-11=45 Exploring Operation: 56-25=31, Resulting Numbers: [11, 31] Generated Node #0,0,1: 50:[11, 31] Operation: 56-25=31 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 50:[25, 45], Operations: ['41-30=11', '56-11=45'] Exploring Operation: 45-25=20, Resulting Numbers: [20] 20,50 unequal: No Solution Exploring Operation: 25+45=70, Resulting Numbers: [70] 70,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 50:[11, 31], Operations: ['41-30=11', '56-25=31'] Exploring Operation: 11+31=42, Resulting Numbers: [42] 42,50 unequal: No Solution Exploring Operation: 31-11=20, Resulting Numbers: [20] 20,50 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: 50:[25, 30, 15], Operations: ['56-41=15'] Exploring Operation: 30-25=5, Resulting Numbers: [15, 5] Generated Node #0,1,0: 50:[15, 5] Operation: 30-25=5 Exploring Operation: 30/15=2, Resulting Numbers: [25, 2] Generated Node #0,1,1: 50:[25, 2] Operation: 30/15=2 Moving to Node #0,1,1 Current State: 50:[25, 2], Operations: ['56-41=15', '30/15=2'] Exploring Operation: 25*2=50, Resulting Numbers: [50] 50,50 equal: Goal Reached Moving to Node #0 Current State: 50:[25, 56, 41, 30], Operations: [] Exploring Operation: 56-41=15, Resulting Numbers: [25, 30, 15] Generated Node #0,1: 50:[25, 30, 15] Operation: 56-41=15 Moving to Node #0,1 Current State: 50:[25, 30, 15], Operations: ['56-41=15'] Exploring Operation: 30/15=2, Resulting Numbers: [25, 2] Generated Node #0,1,1: 50:[25, 2] Operation: 30/15=2 Moving to Node #0,1,1 Current State: 50:[25, 2], Operations: ['56-41=15', '30/15=2'] Exploring Operation: 25*2=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
0.986979
hs_2
mult_heuristic
[ 77, 25, 72, 37 ]
32
[ "77-72=5", "25/5=5", "37-5=32" ]
Current State: 32:[77, 25, 72, 37], Operations: [] Exploring Operation: 77-72=5, Resulting Numbers: [25, 37, 5] Generated Node #2: [25, 37, 5] from Operation: 77-72=5 Current State: 32:[25, 37, 5], Operations: ['77-72=5'] Exploring Operation: 25/5=5, Resulting Numbers: [37, 5] Generated Node #3: [37, 5] from Operation: 25/5=5 Current State: 32:[37, 5], Operations: ['77-72=5', '25/5=5'] Exploring Operation: 37-5=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[77, 25, 72, 37], Operations: [] Exploring Operation: 77-72=5, Resulting Numbers: [25, 37, 5] Generated Node #0,0: 32:[25, 37, 5] Operation: 77-72=5 Exploring Operation: 77-37=40, Resulting Numbers: [25, 72, 40] Generated Node #0,1: 32:[25, 72, 40] Operation: 77-37=40 Exploring Operation: 72-37=35, Resulting Numbers: [77, 25, 35] Generated Node #0,2: 32:[77, 25, 35] Operation: 72-37=35 Moving to Node #0,0 Current State: 32:[25, 37, 5], Operations: ['77-72=5'] Exploring Operation: 25/5=5, Resulting Numbers: [37, 5] Generated Node #0,0,0: 32:[37, 5] Operation: 25/5=5 Exploring Operation: 37-25=12, Resulting Numbers: [5, 12] Generated Node #0,0,1: 32:[5, 12] Operation: 37-25=12 Exploring Operation: 25+5=30, Resulting Numbers: [37, 30] Generated Node #0,0,2: 32:[37, 30] Operation: 25+5=30 Moving to Node #0,1 Current State: 32:[25, 72, 40], Operations: ['77-37=40'] Exploring Operation: 72-40=32, Resulting Numbers: [25, 32] Generated Node #0,1,0: 32:[25, 32] Operation: 72-40=32 Exploring Operation: 72-25=47, Resulting Numbers: [40, 47] Generated Node #0,1,1: 32:[40, 47] Operation: 72-25=47 Exploring Operation: 40-25=15, Resulting Numbers: [72, 15] Generated Node #0,1,2: 32:[72, 15] Operation: 40-25=15 Moving to Node #0,2 Current State: 32:[77, 25, 35], Operations: ['72-37=35'] Exploring Operation: 77-35=42, Resulting Numbers: [25, 42] Generated Node #0,2,0: 32:[25, 42] Operation: 77-35=42 Exploring Operation: 35-25=10, Resulting Numbers: [77, 10] Generated Node #0,2,1: 32:[77, 10] Operation: 35-25=10 Exploring Operation: 77-25=52, Resulting Numbers: [35, 52] Generated Node #0,2,2: 32:[35, 52] Operation: 77-25=52 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 32:[25, 42], Operations: ['72-37=35', '77-35=42'] Exploring Operation: 25+42=67, Resulting Numbers: [67] 67,32 unequal: No Solution Exploring Operation: 42-25=17, Resulting Numbers: [17] 17,32 unequal: No Solution Exploring Operation: 25*42=1050, Resulting Numbers: [1050] 1050,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 32:[35, 52], Operations: ['72-37=35', '77-25=52'] Exploring Operation: 35*52=1820, Resulting Numbers: [1820] 1820,32 unequal: No Solution Exploring Operation: 52-35=17, Resulting Numbers: [17] 17,32 unequal: No Solution Exploring Operation: 35+52=87, Resulting Numbers: [87] 87,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 32:[77, 10], Operations: ['72-37=35', '35-25=10'] Exploring Operation: 77*10=770, Resulting Numbers: [770] 770,32 unequal: No Solution Exploring Operation: 77+10=87, Resulting Numbers: [87] 87,32 unequal: No Solution Exploring Operation: 77-10=67, Resulting Numbers: [67] 67,32 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: 32:[5, 12], Operations: ['77-72=5', '37-25=12'] Exploring Operation: 12-5=7, Resulting Numbers: [7] 7,32 unequal: No Solution Exploring Operation: 5*12=60, Resulting Numbers: [60] 60,32 unequal: No Solution Exploring Operation: 5+12=17, Resulting Numbers: [17] 17,32 unequal: No Solution Moving to Node #0,0,0 Current State: 32:[37, 5], Operations: ['77-72=5', '25/5=5'] Exploring Operation: 37*5=185, Resulting Numbers: [185] 185,32 unequal: No Solution Exploring Operation: 37+5=42, Resulting Numbers: [42] 42,32 unequal: No Solution Exploring Operation: 37-5=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Moving to Node #0 Current State: 32:[77, 25, 72, 37], Operations: [] Exploring Operation: 77-72=5, Resulting Numbers: [25, 37, 5] Generated Node #0,0: 32:[25, 37, 5] Operation: 77-72=5 Moving to Node #0,0 Current State: 32:[25, 37, 5], Operations: ['77-72=5'] Exploring Operation: 25/5=5, Resulting Numbers: [37, 5] Generated Node #0,0,0: 32:[37, 5] Operation: 25/5=5 Moving to Node #0,0,0 Current State: 32:[37, 5], Operations: ['77-72=5', '25/5=5'] Exploring Operation: 37-5=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
0.97309
hs_3
sum_heuristic
[ 85, 2, 35, 69 ]
86
[ "85-69=16", "2*35=70", "16+70=86" ]
Current State: 86:[85, 2, 35, 69], Operations: [] Exploring Operation: 85-69=16, Resulting Numbers: [2, 35, 16] Generated Node #2: [2, 35, 16] from Operation: 85-69=16 Current State: 86:[2, 35, 16], Operations: ['85-69=16'] Exploring Operation: 2*35=70, Resulting Numbers: [16, 70] Generated Node #3: [16, 70] from Operation: 2*35=70 Current State: 86:[16, 70], Operations: ['85-69=16', '2*35=70'] Exploring Operation: 16+70=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
4
Current State: 86:[85, 2, 35, 69], Operations: [] Exploring Operation: 69-35=34, Resulting Numbers: [85, 2, 34] Generated Node #0,0: 86:[85, 2, 34] Operation: 69-35=34 Exploring Operation: 35+69=104, Resulting Numbers: [85, 2, 104] Generated Node #0,1: 86:[85, 2, 104] Operation: 35+69=104 Start Sub Search at level 1: Moving to Node #0,0 Current State: 86:[85, 2, 34], Operations: ['69-35=34'] Exploring Operation: 2+34=36, Resulting Numbers: [85, 36] Generated Node #0,0,0: 86:[85, 36] Operation: 2+34=36 Exploring Operation: 85-34=51, Resulting Numbers: [2, 51] Generated Node #0,0,1: 86:[2, 51] Operation: 85-34=51 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 86:[85, 36], Operations: ['69-35=34', '2+34=36'] Exploring Operation: 85+36=121, Resulting Numbers: [121] 121,86 unequal: No Solution Exploring Operation: 85-36=49, Resulting Numbers: [49] 49,86 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 86:[2, 51], Operations: ['69-35=34', '85-34=51'] Exploring Operation: 51-2=49, Resulting Numbers: [49] 49,86 unequal: No Solution Exploring Operation: 2+51=53, Resulting Numbers: [53] 53,86 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 86:[85, 2, 104], Operations: ['35+69=104'] Exploring Operation: 104/2=52, Resulting Numbers: [85, 52] Generated Node #0,1,0: 86:[85, 52] Operation: 104/2=52 Exploring Operation: 104-85=19, Resulting Numbers: [2, 19] Generated Node #0,1,1: 86:[2, 19] Operation: 104-85=19 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 86:[85, 52], Operations: ['35+69=104', '104/2=52'] Exploring Operation: 85+52=137, Resulting Numbers: [137] 137,86 unequal: No Solution Exploring Operation: 85-52=33, Resulting Numbers: [33] 33,86 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 86:[2, 19], Operations: ['35+69=104', '104-85=19'] Exploring Operation: 19-2=17, Resulting Numbers: [17] 17,86 unequal: No Solution Exploring Operation: 2*19=38, Resulting Numbers: [38] 38,86 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 76, 60, 80, 54 ]
49
[ "76-60=16", "80/16=5", "54-5=49" ]
Current State: 49:[76, 60, 80, 54], Operations: [] Exploring Operation: 76-60=16, Resulting Numbers: [80, 54, 16] Generated Node #2: [80, 54, 16] from Operation: 76-60=16 Current State: 49:[80, 54, 16], Operations: ['76-60=16'] Exploring Operation: 80/16=5, Resulting Numbers: [54, 5] Generated Node #3: [54, 5] from Operation: 80/16=5 Current State: 49:[54, 5], Operations: ['76-60=16', '80/16=5'] Exploring Operation: 54-5=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
4
Current State: 49:[76, 60, 80, 54], Operations: [] Exploring Operation: 80-76=4, Resulting Numbers: [60, 54, 4] Generated Node #0,0: 49:[60, 54, 4] Operation: 80-76=4 Moving to Node #0,0 Current State: 49:[60, 54, 4], Operations: ['80-76=4'] Exploring Operation: 60-54=6, Resulting Numbers: [4, 6] Generated Node #0,0,0: 49:[4, 6] Operation: 60-54=6 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 49:[4, 6], Operations: ['80-76=4', '60-54=6'] Exploring Operation: 4+6=10, Resulting Numbers: [10] 10,49 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
[ 12, 33, 36, 27 ]
42
[ "33-12=21", "36+27=63", "63-21=42" ]
Current State: 42:[12, 33, 36, 27], Operations: [] Exploring Operation: 33-12=21, Resulting Numbers: [36, 27, 21] Generated Node #2: [36, 27, 21] from Operation: 33-12=21 Current State: 42:[36, 27, 21], Operations: ['33-12=21'] Exploring Operation: 36+27=63, Resulting Numbers: [21, 63] Generated Node #3: [21, 63] from Operation: 36+27=63 Current State: 42:[21, 63], Operations: ['33-12=21', '36+27=63'] Exploring Operation: 63-21=42, Resulting Numbers: [42] 42,42 equal: Goal Reached
4
Current State: 42:[12, 33, 36, 27], Operations: [] Exploring Operation: 36-33=3, Resulting Numbers: [12, 27, 3] Generated Node #0,0: 42:[12, 27, 3] Operation: 36-33=3 Start Sub Search at level 1: Moving to Node #0,0 Current State: 42:[12, 27, 3], Operations: ['36-33=3'] Exploring Operation: 27-12=15, Resulting Numbers: [3, 15] Generated Node #0,0,0: 42:[3, 15] Operation: 27-12=15 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 42:[3, 15], Operations: ['36-33=3', '27-12=15'] Exploring Operation: 15/3=5, Resulting Numbers: [5] 5,42 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 66, 6, 62, 9 ]
37
[ "66/6=11", "9*11=99", "99-62=37" ]
Current State: 37:[66, 6, 62, 9], Operations: [] Exploring Operation: 66/6=11, Resulting Numbers: [62, 9, 11] Generated Node #2: [62, 9, 11] from Operation: 66/6=11 Current State: 37:[62, 9, 11], Operations: ['66/6=11'] Exploring Operation: 9*11=99, Resulting Numbers: [62, 99] Generated Node #3: [62, 99] from Operation: 9*11=99 Current State: 37:[62, 99], Operations: ['66/6=11', '9*11=99'] Exploring Operation: 99-62=37, Resulting Numbers: [37] 37,37 equal: Goal Reached
4
Current State: 37:[66, 6, 62, 9], Operations: [] Exploring Operation: 66-6=60, Resulting Numbers: [62, 9, 60] Generated Node #0,0: 37:[62, 9, 60] Operation: 66-6=60 Exploring Operation: 66-9=57, Resulting Numbers: [6, 62, 57] Generated Node #0,1: 37:[6, 62, 57] Operation: 66-9=57 Exploring Operation: 62-6=56, Resulting Numbers: [66, 9, 56] Generated Node #0,2: 37:[66, 9, 56] Operation: 62-6=56 Exploring Operation: 6+9=15, Resulting Numbers: [66, 62, 15] Generated Node #0,3: 37:[66, 62, 15] Operation: 6+9=15 Exploring Operation: 6*9=54, Resulting Numbers: [66, 62, 54] Generated Node #0,4: 37:[66, 62, 54] Operation: 6*9=54 Start Sub Search at level 1: Moving to Node #0,4 Current State: 37:[66, 62, 54], Operations: ['6*9=54'] Exploring Operation: 62-54=8, Resulting Numbers: [66, 8] Generated Node #0,4,0: 37:[66, 8] Operation: 62-54=8 Exploring Operation: 66-62=4, Resulting Numbers: [54, 4] Generated Node #0,4,1: 37:[54, 4] Operation: 66-62=4 Exploring Operation: 66+54=120, Resulting Numbers: [62, 120] Generated Node #0,4,2: 37:[62, 120] Operation: 66+54=120 Exploring Operation: 66+62=128, Resulting Numbers: [54, 128] Generated Node #0,4,3: 37:[54, 128] Operation: 66+62=128 Exploring Operation: 66-54=12, Resulting Numbers: [62, 12] Generated Node #0,4,4: 37:[62, 12] Operation: 66-54=12 Moving to Node #0,4,1 Current State: 37:[54, 4], Operations: ['6*9=54', '66-62=4'] Exploring Operation: 54+4=58, Resulting Numbers: [58] 58,37 unequal: No Solution Exploring Operation: 54-4=50, Resulting Numbers: [50] 50,37 unequal: No Solution Exploring Operation: 54*4=216, Resulting Numbers: [216] 216,37 unequal: No Solution Moving to Node #0,4,4 Current State: 37:[62, 12], Operations: ['6*9=54', '66-54=12'] Exploring Operation: 62*12=744, Resulting Numbers: [744] 744,37 unequal: No Solution Exploring Operation: 62+12=74, Resulting Numbers: [74] 74,37 unequal: No Solution Exploring Operation: 62-12=50, Resulting Numbers: [50] 50,37 unequal: No Solution Moving to Node #0,4,0 Current State: 37:[66, 8], Operations: ['6*9=54', '62-54=8'] Exploring Operation: 66*8=528, Resulting Numbers: [528] 528,37 unequal: No Solution Exploring Operation: 66-8=58, Resulting Numbers: [58] 58,37 unequal: No Solution Exploring Operation: 66+8=74, Resulting Numbers: [74] 74,37 unequal: No Solution Moving to Node #0,4,2 Current State: 37:[62, 120], Operations: ['6*9=54', '66+54=120'] Exploring Operation: 120-62=58, Resulting Numbers: [58] 58,37 unequal: No Solution Exploring Operation: 62+120=182, Resulting Numbers: [182] 182,37 unequal: No Solution Exploring Operation: 62*120=7440, Resulting Numbers: [7440] 7440,37 unequal: No Solution Moving to Node #0,4,3 Current State: 37:[54, 128], Operations: ['6*9=54', '66+62=128'] Exploring Operation: 54+128=182, Resulting Numbers: [182] 182,37 unequal: No Solution Exploring Operation: 128-54=74, Resulting Numbers: [74] 74,37 unequal: No Solution Exploring Operation: 54*128=6912, Resulting Numbers: [6912] 6912,37 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 37:[62, 9, 60], Operations: ['66-6=60'] Exploring Operation: 62+9=71, Resulting Numbers: [60, 71] Generated Node #0,0,0: 37:[60, 71] Operation: 62+9=71 Exploring Operation: 9+60=69, Resulting Numbers: [62, 69] Generated Node #0,0,1: 37:[62, 69] Operation: 9+60=69 Exploring Operation: 62-60=2, Resulting Numbers: [9, 2] Generated Node #0,0,2: 37:[9, 2] Operation: 62-60=2 Exploring Operation: 60-9=51, Resulting Numbers: [62, 51] Generated Node #0,0,3: 37:[62, 51] Operation: 60-9=51 Exploring Operation: 62-9=53, Resulting Numbers: [60, 53] Generated Node #0,0,4: 37:[60, 53] Operation: 62-9=53 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 37:[62, 51], Operations: ['66-6=60', '60-9=51'] Exploring Operation: 62+51=113, Resulting Numbers: [113] 113,37 unequal: No Solution Exploring Operation: 62*51=3162, Resulting Numbers: [3162] 3162,37 unequal: No Solution Exploring Operation: 62-51=11, Resulting Numbers: [11] 11,37 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 37:[60, 53], Operations: ['66-6=60', '62-9=53'] Exploring Operation: 60-53=7, Resulting Numbers: [7] 7,37 unequal: No Solution Exploring Operation: 60*53=3180, Resulting Numbers: [3180] 3180,37 unequal: No Solution Exploring Operation: 60+53=113, Resulting Numbers: [113] 113,37 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 37:[60, 71], Operations: ['66-6=60', '62+9=71'] Exploring Operation: 60*71=4260, Resulting Numbers: [4260] 4260,37 unequal: No Solution Exploring Operation: 60+71=131, Resulting Numbers: [131] 131,37 unequal: No Solution Exploring Operation: 71-60=11, Resulting Numbers: [11] 11,37 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 37:[62, 69], Operations: ['66-6=60', '9+60=69'] Exploring Operation: 62*69=4278, Resulting Numbers: [4278] 4278,37 unequal: No Solution Exploring Operation: 69-62=7, Resulting Numbers: [7] 7,37 unequal: No Solution Exploring Operation: 62+69=131, Resulting Numbers: [131] 131,37 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 37:[9, 2], Operations: ['66-6=60', '62-60=2'] Exploring Operation: 9*2=18, Resulting Numbers: [18] 18,37 unequal: No Solution Exploring Operation: 9+2=11, Resulting Numbers: [11] 11,37 unequal: No Solution Exploring Operation: 9-2=7, Resulting Numbers: [7] 7,37 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 37:[6, 62, 57], Operations: ['66-9=57'] Exploring Operation: 57-6=51, Resulting Numbers: [62, 51] Generated Node #0,1,0: 37:[62, 51] Operation: 57-6=51 Exploring Operation: 62-6=56, Resulting Numbers: [57, 56] Generated Node #0,1,1: 37:[57, 56] Operation: 62-6=56 Exploring Operation: 6+57=63, Resulting Numbers: [62, 63] Generated Node #0,1,2: 37:[62, 63] Operation: 6+57=63 Exploring Operation: 6+62=68, Resulting Numbers: [57, 68] Generated Node #0,1,3: 37:[57, 68] Operation: 6+62=68 Exploring Operation: 62-57=5, Resulting Numbers: [6, 5] Generated Node #0,1,4: 37:[6, 5] Operation: 62-57=5 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 37:[62, 51], Operations: ['66-9=57', '57-6=51'] Exploring Operation: 62+51=113, Resulting Numbers: [113] 113,37 unequal: No Solution Exploring Operation: 62*51=3162, Resulting Numbers: [3162] 3162,37 unequal: No Solution Exploring Operation: 62-51=11, Resulting Numbers: [11] 11,37 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 37:[57, 56], Operations: ['66-9=57', '62-6=56'] Exploring Operation: 57*56=3192, Resulting Numbers: [3192] 3192,37 unequal: No Solution Exploring Operation: 57+56=113, Resulting Numbers: [113] 113,37 unequal: No Solution Exploring Operation: 57-56=1, Resulting Numbers: [1] 1,37 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 37:[62, 63], Operations: ['66-9=57', '6+57=63'] Exploring Operation: 63-62=1, Resulting Numbers: [1] 1,37 unequal: No Solution Exploring Operation: 62+63=125, Resulting Numbers: [125] 125,37 unequal: No Solution Exploring Operation: 62*63=3906, Resulting Numbers: [3906] 3906,37 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 37:[57, 68], Operations: ['66-9=57', '6+62=68'] Exploring Operation: 57+68=125, Resulting Numbers: [125] 125,37 unequal: No Solution Exploring Operation: 68-57=11, Resulting Numbers: [11] 11,37 unequal: No Solution Exploring Operation: 57*68=3876, Resulting Numbers: [3876] 3876,37 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 37:[6, 5], Operations: ['66-9=57', '62-57=5'] Exploring Operation: 6*5=30, Resulting Numbers: [30] 30,37 unequal: No Solution Exploring Operation: 6-5=1, Resulting Numbers: [1] 1,37 unequal: No Solution Exploring Operation: 6+5=11, Resulting Numbers: [11] 11,37 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 37:[66, 9, 56], Operations: ['62-6=56'] Exploring Operation: 66+9=75, Resulting Numbers: [56, 75] Generated Node #0,2,0: 37:[56, 75] Operation: 66+9=75 Exploring Operation: 56-9=47, Resulting Numbers: [66, 47] Generated Node #0,2,1: 37:[66, 47] Operation: 56-9=47 Exploring Operation: 66-56=10, Resulting Numbers: [9, 10] Generated Node #0,2,2: 37:[9, 10] Operation: 66-56=10 Exploring Operation: 66-9=57, Resulting Numbers: [56, 57] Generated Node #0,2,3: 37:[56, 57] Operation: 66-9=57 Exploring Operation: 9+56=65, Resulting Numbers: [66, 65] Generated Node #0,2,4: 37:[66, 65] Operation: 9+56=65 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 37:[66, 47], Operations: ['62-6=56', '56-9=47'] Exploring Operation: 66*47=3102, Resulting Numbers: [3102] 3102,37 unequal: No Solution Exploring Operation: 66-47=19, Resulting Numbers: [19] 19,37 unequal: No Solution Exploring Operation: 66+47=113, Resulting Numbers: [113] 113,37 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 37:[56, 57], Operations: ['62-6=56', '66-9=57'] Exploring Operation: 56*57=3192, Resulting Numbers: [3192] 3192,37 unequal: No Solution Exploring Operation: 56+57=113, Resulting Numbers: [113] 113,37 unequal: No Solution Exploring Operation: 57-56=1, Resulting Numbers: [1] 1,37 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 37:[9, 10], Operations: ['62-6=56', '66-56=10'] Exploring Operation: 9+10=19, Resulting Numbers: [19] 19,37 unequal: No Solution Exploring Operation: 10-9=1, Resulting Numbers: [1] 1,37 unequal: No Solution Exploring Operation: 9*10=90, Resulting Numbers: [90] 90,37 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 37:[56, 75], Operations: ['62-6=56', '66+9=75'] Exploring Operation: 56*75=4200, Resulting Numbers: [4200] 4200,37 unequal: No Solution Exploring Operation: 56+75=131, Resulting Numbers: [131] 131,37 unequal: No Solution Exploring Operation: 75-56=19, Resulting Numbers: [19] 19,37 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 37:[66, 65], Operations: ['62-6=56', '9+56=65'] Exploring Operation: 66*65=4290, Resulting Numbers: [4290] 4290,37 unequal: No Solution Exploring Operation: 66+65=131, Resulting Numbers: [131] 131,37 unequal: No Solution Exploring Operation: 66-65=1, Resulting Numbers: [1] 1,37 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 37:[66, 62, 15], Operations: ['6+9=15'] Exploring Operation: 66-62=4, Resulting Numbers: [15, 4] Generated Node #0,3,0: 37:[15, 4] Operation: 66-62=4 Exploring Operation: 66-15=51, Resulting Numbers: [62, 51] Generated Node #0,3,1: 37:[62, 51] Operation: 66-15=51 Exploring Operation: 62+15=77, Resulting Numbers: [66, 77] Generated Node #0,3,2: 37:[66, 77] Operation: 62+15=77 Exploring Operation: 66+15=81, Resulting Numbers: [62, 81] Generated Node #0,3,3: 37:[62, 81] Operation: 66+15=81 Exploring Operation: 62-15=47, Resulting Numbers: [66, 47] Generated Node #0,3,4: 37:[66, 47] Operation: 62-15=47 Moving to Node #0,3,1 Current State: 37:[62, 51], Operations: ['6+9=15', '66-15=51'] Exploring Operation: 62-51=11, Resulting Numbers: [11] 11,37 unequal: No Solution Exploring Operation: 62*51=3162, Resulting Numbers: [3162] 3162,37 unequal: No Solution Exploring Operation: 62+51=113, Resulting Numbers: [113] 113,37 unequal: No Solution Moving to Node #0,3,4 Current State: 37:[66, 47], Operations: ['6+9=15', '62-15=47'] Exploring Operation: 66+47=113, Resulting Numbers: [113] 113,37 unequal: No Solution Exploring Operation: 66-47=19, Resulting Numbers: [19] 19,37 unequal: No Solution Exploring Operation: 66*47=3102, Resulting Numbers: [3102] 3102,37 unequal: No Solution Moving to Node #0,3,0 Current State: 37:[15, 4], Operations: ['6+9=15', '66-62=4'] Exploring Operation: 15-4=11, Resulting Numbers: [11] 11,37 unequal: No Solution Exploring Operation: 15+4=19, Resulting Numbers: [19] 19,37 unequal: No Solution Exploring Operation: 15*4=60, Resulting Numbers: [60] 60,37 unequal: No Solution Moving to Node #0,3,2 Current State: 37:[66, 77], Operations: ['6+9=15', '62+15=77'] Exploring Operation: 66*77=5082, Resulting Numbers: [5082] 5082,37 unequal: No Solution Exploring Operation: 66+77=143, Resulting Numbers: [143] 143,37 unequal: No Solution Exploring Operation: 77-66=11, Resulting Numbers: [11] 11,37 unequal: No Solution Moving to Node #0,3,3 Current State: 37:[62, 81], Operations: ['6+9=15', '66+15=81'] Exploring Operation: 62*81=5022, Resulting Numbers: [5022] 5022,37 unequal: No Solution Exploring Operation: 81-62=19, Resulting Numbers: [19] 19,37 unequal: No Solution Exploring Operation: 62+81=143, Resulting Numbers: [143] 143,37 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
sum_heuristic
[ 82, 84, 76, 99 ]
61
[ "84-82=2", "76/2=38", "99-38=61" ]
Current State: 61:[82, 84, 76, 99], Operations: [] Exploring Operation: 84-82=2, Resulting Numbers: [76, 99, 2] Generated Node #2: [76, 99, 2] from Operation: 84-82=2 Current State: 61:[76, 99, 2], Operations: ['84-82=2'] Exploring Operation: 76/2=38, Resulting Numbers: [99, 38] Generated Node #3: [99, 38] from Operation: 76/2=38 Current State: 61:[99, 38], Operations: ['84-82=2', '76/2=38'] Exploring Operation: 99-38=61, Resulting Numbers: [61] 61,61 equal: Goal Reached
4
Current State: 61:[82, 84, 76, 99], Operations: [] Exploring Operation: 99-76=23, Resulting Numbers: [82, 84, 23] Generated Node #0,0: 61:[82, 84, 23] Operation: 99-76=23 Exploring Operation: 99-84=15, Resulting Numbers: [82, 76, 15] Generated Node #0,1: 61:[82, 76, 15] Operation: 99-84=15 Exploring Operation: 84-82=2, Resulting Numbers: [76, 99, 2] Generated Node #0,2: 61:[76, 99, 2] Operation: 84-82=2 Exploring Operation: 99-82=17, Resulting Numbers: [84, 76, 17] Generated Node #0,3: 61:[84, 76, 17] Operation: 99-82=17 Start Sub Search at level 1: Moving to Node #0,0 Current State: 61:[82, 84, 23], Operations: ['99-76=23'] Exploring Operation: 84-23=61, Resulting Numbers: [82, 61] Generated Node #0,0,0: 61:[82, 61] Operation: 84-23=61 Exploring Operation: 82+23=105, Resulting Numbers: [84, 105] Generated Node #0,0,1: 61:[84, 105] Operation: 82+23=105 Exploring Operation: 82-23=59, Resulting Numbers: [84, 59] Generated Node #0,0,2: 61:[84, 59] Operation: 82-23=59 Exploring Operation: 84+23=107, Resulting Numbers: [82, 107] Generated Node #0,0,3: 61:[82, 107] Operation: 84+23=107 Moving to Node #0,0,0 Current State: 61:[82, 61], Operations: ['99-76=23', '84-23=61'] Exploring Operation: 82+61=143, Resulting Numbers: [143] 143,61 unequal: No Solution Exploring Operation: 82-61=21, Resulting Numbers: [21] 21,61 unequal: No Solution Exploring Operation: 82*61=5002, Resulting Numbers: [5002] 5002,61 unequal: No Solution Moving to Node #0,0,2 Current State: 61:[84, 59], Operations: ['99-76=23', '82-23=59'] Exploring Operation: 84*59=4956, Resulting Numbers: [4956] 4956,61 unequal: No Solution Exploring Operation: 84-59=25, Resulting Numbers: [25] 25,61 unequal: No Solution Exploring Operation: 84+59=143, Resulting Numbers: [143] 143,61 unequal: No Solution Moving to Node #0,0,3 Current State: 61:[82, 107], Operations: ['99-76=23', '84+23=107'] Exploring Operation: 82+107=189, Resulting Numbers: [189] 189,61 unequal: No Solution Exploring Operation: 82*107=8774, Resulting Numbers: [8774] 8774,61 unequal: No Solution Exploring Operation: 107-82=25, Resulting Numbers: [25] 25,61 unequal: No Solution Moving to Node #0,0,1 Current State: 61:[84, 105], Operations: ['99-76=23', '82+23=105'] Exploring Operation: 84+105=189, Resulting Numbers: [189] 189,61 unequal: No Solution Exploring Operation: 84*105=8820, Resulting Numbers: [8820] 8820,61 unequal: No Solution Exploring Operation: 105-84=21, Resulting Numbers: [21] 21,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 61:[82, 76, 15], Operations: ['99-84=15'] Exploring Operation: 82+15=97, Resulting Numbers: [76, 97] Generated Node #0,1,0: 61:[76, 97] Operation: 82+15=97 Exploring Operation: 76+15=91, Resulting Numbers: [82, 91] Generated Node #0,1,1: 61:[82, 91] Operation: 76+15=91 Exploring Operation: 76-15=61, Resulting Numbers: [82, 61] Generated Node #0,1,2: 61:[82, 61] Operation: 76-15=61 Exploring Operation: 82-15=67, Resulting Numbers: [76, 67] Generated Node #0,1,3: 61:[76, 67] Operation: 82-15=67 Moving to Node #0,1,2 Current State: 61:[82, 61], Operations: ['99-84=15', '76-15=61'] Exploring Operation: 82*61=5002, Resulting Numbers: [5002] 5002,61 unequal: No Solution Exploring Operation: 82-61=21, Resulting Numbers: [21] 21,61 unequal: No Solution Exploring Operation: 82+61=143, Resulting Numbers: [143] 143,61 unequal: No Solution Moving to Node #0,1,3 Current State: 61:[76, 67], Operations: ['99-84=15', '82-15=67'] Exploring Operation: 76+67=143, Resulting Numbers: [143] 143,61 unequal: No Solution Exploring Operation: 76-67=9, Resulting Numbers: [9] 9,61 unequal: No Solution Exploring Operation: 76*67=5092, Resulting Numbers: [5092] 5092,61 unequal: No Solution Moving to Node #0,1,1 Current State: 61:[82, 91], Operations: ['99-84=15', '76+15=91'] Exploring Operation: 82*91=7462, Resulting Numbers: [7462] 7462,61 unequal: No Solution Exploring Operation: 91-82=9, Resulting Numbers: [9] 9,61 unequal: No Solution Exploring Operation: 82+91=173, Resulting Numbers: [173] 173,61 unequal: No Solution Moving to Node #0,1,0 Current State: 61:[76, 97], Operations: ['99-84=15', '82+15=97'] Exploring Operation: 97-76=21, Resulting Numbers: [21] 21,61 unequal: No Solution Exploring Operation: 76+97=173, Resulting Numbers: [173] 173,61 unequal: No Solution Exploring Operation: 76*97=7372, Resulting Numbers: [7372] 7372,61 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 #0,3 Current State: 61:[84, 76, 17], Operations: ['99-82=17'] Exploring Operation: 84+17=101, Resulting Numbers: [76, 101] Generated Node #0,3,0: 61:[76, 101] Operation: 84+17=101 Exploring Operation: 76-17=59, Resulting Numbers: [84, 59] Generated Node #0,3,1: 61:[84, 59] Operation: 76-17=59 Exploring Operation: 76+17=93, Resulting Numbers: [84, 93] Generated Node #0,3,2: 61:[84, 93] Operation: 76+17=93 Exploring Operation: 84-17=67, Resulting Numbers: [76, 67] Generated Node #0,3,3: 61:[76, 67] Operation: 84-17=67 Moving to Node #0,3,3 Current State: 61:[76, 67], Operations: ['99-82=17', '84-17=67'] Exploring Operation: 76-67=9, Resulting Numbers: [9] 9,61 unequal: No Solution Exploring Operation: 76+67=143, Resulting Numbers: [143] 143,61 unequal: No Solution Exploring Operation: 76*67=5092, Resulting Numbers: [5092] 5092,61 unequal: No Solution Moving to Node #0,3,1 Current State: 61:[84, 59], Operations: ['99-82=17', '76-17=59'] Exploring Operation: 84+59=143, Resulting Numbers: [143] 143,61 unequal: No Solution Exploring Operation: 84*59=4956, Resulting Numbers: [4956] 4956,61 unequal: No Solution Exploring Operation: 84-59=25, Resulting Numbers: [25] 25,61 unequal: No Solution Moving to Node #0,3,2 Current State: 61:[84, 93], Operations: ['99-82=17', '76+17=93'] Exploring Operation: 93-84=9, Resulting Numbers: [9] 9,61 unequal: No Solution Exploring Operation: 84*93=7812, Resulting Numbers: [7812] 7812,61 unequal: No Solution Exploring Operation: 84+93=177, Resulting Numbers: [177] 177,61 unequal: No Solution Moving to Node #0,3,0 Current State: 61:[76, 101], Operations: ['99-82=17', '84+17=101'] Exploring Operation: 76+101=177, Resulting Numbers: [177] 177,61 unequal: No Solution Exploring Operation: 76*101=7676, Resulting Numbers: [7676] 7676,61 unequal: No Solution Exploring Operation: 101-76=25, Resulting Numbers: [25] 25,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 61:[76, 99, 2], Operations: ['84-82=2'] Exploring Operation: 99-2=97, Resulting Numbers: [76, 97] Generated Node #0,2,0: 61:[76, 97] Operation: 99-2=97 Exploring Operation: 76+2=78, Resulting Numbers: [99, 78] Generated Node #0,2,1: 61:[99, 78] Operation: 76+2=78 Exploring Operation: 99+2=101, Resulting Numbers: [76, 101] Generated Node #0,2,2: 61:[76, 101] Operation: 99+2=101 Exploring Operation: 76-2=74, Resulting Numbers: [99, 74] Generated Node #0,2,3: 61:[99, 74] Operation: 76-2=74 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 61:[76, 97], Operations: ['84-82=2', '99-2=97'] Exploring Operation: 76*97=7372, Resulting Numbers: [7372] 7372,61 unequal: No Solution Exploring Operation: 97-76=21, Resulting Numbers: [21] 21,61 unequal: No Solution Exploring Operation: 76+97=173, Resulting Numbers: [173] 173,61 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 61:[99, 74], Operations: ['84-82=2', '76-2=74'] Exploring Operation: 99-74=25, Resulting Numbers: [25] 25,61 unequal: No Solution Exploring Operation: 99*74=7326, Resulting Numbers: [7326] 7326,61 unequal: No Solution Exploring Operation: 99+74=173, Resulting Numbers: [173] 173,61 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 61:[99, 78], Operations: ['84-82=2', '76+2=78'] Exploring Operation: 99+78=177, Resulting Numbers: [177] 177,61 unequal: No Solution Exploring Operation: 99*78=7722, Resulting Numbers: [7722] 7722,61 unequal: No Solution Exploring Operation: 99-78=21, Resulting Numbers: [21] 21,61 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 61:[76, 101], Operations: ['84-82=2', '99+2=101'] Exploring Operation: 76*101=7676, Resulting Numbers: [7676] 7676,61 unequal: No Solution Exploring Operation: 101-76=25, Resulting Numbers: [25] 25,61 unequal: No Solution Exploring Operation: 76+101=177, Resulting Numbers: [177] 177,61 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_4
sum_heuristic
[ 41, 33, 20, 79 ]
51
[ "41-33=8", "79-20=59", "59-8=51" ]
Current State: 51:[41, 33, 20, 79], Operations: [] Exploring Operation: 41-33=8, Resulting Numbers: [20, 79, 8] Generated Node #2: [20, 79, 8] from Operation: 41-33=8 Current State: 51:[20, 79, 8], Operations: ['41-33=8'] Exploring Operation: 79-20=59, Resulting Numbers: [8, 59] Generated Node #3: [8, 59] from Operation: 79-20=59 Current State: 51:[8, 59], Operations: ['41-33=8', '79-20=59'] Exploring Operation: 59-8=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[41, 33, 20, 79], Operations: [] Exploring Operation: 79-33=46, Resulting Numbers: [41, 20, 46] Generated Node #0,0: 51:[41, 20, 46] Operation: 79-33=46 Exploring Operation: 79-41=38, Resulting Numbers: [33, 20, 38] Generated Node #0,1: 51:[33, 20, 38] Operation: 79-41=38 Moving to Node #0,0 Current State: 51:[41, 20, 46], Operations: ['79-33=46'] Exploring Operation: 46-41=5, Resulting Numbers: [20, 5] Generated Node #0,0,0: 51:[20, 5] Operation: 46-41=5 Exploring Operation: 41-20=21, Resulting Numbers: [46, 21] Generated Node #0,0,1: 51:[46, 21] Operation: 41-20=21 Moving to Node #0,1 Current State: 51:[33, 20, 38], Operations: ['79-41=38'] Exploring Operation: 38-33=5, Resulting Numbers: [20, 5] Generated Node #0,1,0: 51:[20, 5] Operation: 38-33=5 Exploring Operation: 33+20=53, Resulting Numbers: [38, 53] Generated Node #0,1,1: 51:[38, 53] Operation: 33+20=53 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 51:[20, 5], Operations: ['79-41=38', '38-33=5'] Exploring Operation: 20/5=4, Resulting Numbers: [4] 4,51 unequal: No Solution Exploring Operation: 20-5=15, Resulting Numbers: [15] 15,51 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 51:[38, 53], Operations: ['79-41=38', '33+20=53'] Exploring Operation: 38+53=91, Resulting Numbers: [91] 91,51 unequal: No Solution Exploring Operation: 53-38=15, Resulting Numbers: [15] 15,51 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,0 Current State: 51:[20, 5], Operations: ['79-33=46', '46-41=5'] Exploring Operation: 20/5=4, Resulting Numbers: [4] 4,51 unequal: No Solution Exploring Operation: 20-5=15, Resulting Numbers: [15] 15,51 unequal: No Solution Moving to Node #0,0,1 Current State: 51:[46, 21], Operations: ['79-33=46', '41-20=21'] Exploring Operation: 46+21=67, Resulting Numbers: [67] 67,51 unequal: No Solution Exploring Operation: 46-21=25, Resulting Numbers: [25] 25,51 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 59, 74, 15, 4 ]
37
[ "59+74=133", "15+133=148", "148/4=37" ]
Current State: 37:[59, 74, 15, 4], Operations: [] Exploring Operation: 59+74=133, Resulting Numbers: [15, 4, 133] Generated Node #2: [15, 4, 133] from Operation: 59+74=133 Current State: 37:[15, 4, 133], Operations: ['59+74=133'] Exploring Operation: 15+133=148, Resulting Numbers: [4, 148] Generated Node #3: [4, 148] from Operation: 15+133=148 Current State: 37:[4, 148], Operations: ['59+74=133', '15+133=148'] Exploring Operation: 148/4=37, Resulting Numbers: [37] 37,37 equal: Goal Reached
4
Current State: 37:[59, 74, 15, 4], Operations: [] Exploring Operation: 74-15=59, Resulting Numbers: [59, 4, 59] Generated Node #0,0: 37:[59, 4, 59] Operation: 74-15=59 Exploring Operation: 59-4=55, Resulting Numbers: [74, 15, 55] Generated Node #0,1: 37:[74, 15, 55] Operation: 59-4=55 Exploring Operation: 59-15=44, Resulting Numbers: [74, 4, 44] Generated Node #0,2: 37:[74, 4, 44] Operation: 59-15=44 Exploring Operation: 74-59=15, Resulting Numbers: [15, 4, 15] Generated Node #0,3: 37:[15, 4, 15] Operation: 74-59=15 Start Sub Search at level 1: Moving to Node #0,0 Current State: 37:[59, 4, 59], Operations: ['74-15=59'] Exploring Operation: 59-4=55, Resulting Numbers: [59, 55] Generated Node #0,0,0: 37:[59, 55] Operation: 59-4=55 Exploring Operation: 59-4=55, Resulting Numbers: [59, 55] Generated Node #0,0,1: 37:[59, 55] Operation: 59-4=55 Exploring Operation: 59+4=63, Resulting Numbers: [59, 63] Generated Node #0,0,2: 37:[59, 63] Operation: 59+4=63 Exploring Operation: 4+59=63, Resulting Numbers: [59, 63] Generated Node #0,0,3: 37:[59, 63] Operation: 4+59=63 Moving to Node #0,0,0 Current State: 37:[59, 55], Operations: ['74-15=59', '59-4=55'] Exploring Operation: 59+55=114, Resulting Numbers: [114] 114,37 unequal: No Solution Exploring Operation: 59-55=4, Resulting Numbers: [4] 4,37 unequal: No Solution Exploring Operation: 59*55=3245, Resulting Numbers: [3245] 3245,37 unequal: No Solution Moving to Node #0,0,1 Current State: 37:[59, 55], Operations: ['74-15=59', '59-4=55'] Exploring Operation: 59-55=4, Resulting Numbers: [4] 4,37 unequal: No Solution Exploring Operation: 59+55=114, Resulting Numbers: [114] 114,37 unequal: No Solution Exploring Operation: 59*55=3245, Resulting Numbers: [3245] 3245,37 unequal: No Solution Moving to Node #0,0,3 Current State: 37:[59, 63], Operations: ['74-15=59', '4+59=63'] Exploring Operation: 59+63=122, Resulting Numbers: [122] 122,37 unequal: No Solution Exploring Operation: 63-59=4, Resulting Numbers: [4] 4,37 unequal: No Solution Exploring Operation: 59*63=3717, Resulting Numbers: [3717] 3717,37 unequal: No Solution Moving to Node #0,0,2 Current State: 37:[59, 63], Operations: ['74-15=59', '59+4=63'] Exploring Operation: 59+63=122, Resulting Numbers: [122] 122,37 unequal: No Solution Exploring Operation: 59*63=3717, Resulting Numbers: [3717] 3717,37 unequal: No Solution Exploring Operation: 63-59=4, Resulting Numbers: [4] 4,37 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 37:[74, 15, 55], Operations: ['59-4=55'] Exploring Operation: 74-15=59, Resulting Numbers: [55, 59] Generated Node #0,1,0: 37:[55, 59] Operation: 74-15=59 Exploring Operation: 74-55=19, Resulting Numbers: [15, 19] Generated Node #0,1,1: 37:[15, 19] Operation: 74-55=19 Exploring Operation: 74+15=89, Resulting Numbers: [55, 89] Generated Node #0,1,2: 37:[55, 89] Operation: 74+15=89 Exploring Operation: 55-15=40, Resulting Numbers: [74, 40] Generated Node #0,1,3: 37:[74, 40] Operation: 55-15=40 Moving to Node #0,1,0 Current State: 37:[55, 59], Operations: ['59-4=55', '74-15=59'] Exploring Operation: 59-55=4, Resulting Numbers: [4] 4,37 unequal: No Solution Exploring Operation: 55*59=3245, Resulting Numbers: [3245] 3245,37 unequal: No Solution Exploring Operation: 55+59=114, Resulting Numbers: [114] 114,37 unequal: No Solution Moving to Node #0,1,3 Current State: 37:[74, 40], Operations: ['59-4=55', '55-15=40'] Exploring Operation: 74+40=114, Resulting Numbers: [114] 114,37 unequal: No Solution Exploring Operation: 74-40=34, Resulting Numbers: [34] 34,37 unequal: No Solution Exploring Operation: 74*40=2960, Resulting Numbers: [2960] 2960,37 unequal: No Solution Moving to Node #0,1,1 Current State: 37:[15, 19], Operations: ['59-4=55', '74-55=19'] Exploring Operation: 19-15=4, Resulting Numbers: [4] 4,37 unequal: No Solution Exploring Operation: 15*19=285, Resulting Numbers: [285] 285,37 unequal: No Solution Exploring Operation: 15+19=34, Resulting Numbers: [34] 34,37 unequal: No Solution Moving to Node #0,1,2 Current State: 37:[55, 89], Operations: ['59-4=55', '74+15=89'] Exploring Operation: 55+89=144, Resulting Numbers: [144] 144,37 unequal: No Solution Exploring Operation: 55*89=4895, Resulting Numbers: [4895] 4895,37 unequal: No Solution Exploring Operation: 89-55=34, Resulting Numbers: [34] 34,37 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 37:[74, 4, 44], Operations: ['59-15=44'] Exploring Operation: 74+4=78, Resulting Numbers: [44, 78] Generated Node #0,2,0: 37:[44, 78] Operation: 74+4=78 Exploring Operation: 74-4=70, Resulting Numbers: [44, 70] Generated Node #0,2,1: 37:[44, 70] Operation: 74-4=70 Exploring Operation: 74-44=30, Resulting Numbers: [4, 30] Generated Node #0,2,2: 37:[4, 30] Operation: 74-44=30 Exploring Operation: 44-4=40, Resulting Numbers: [74, 40] Generated Node #0,2,3: 37:[74, 40] Operation: 44-4=40 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 37:[44, 70], Operations: ['59-15=44', '74-4=70'] Exploring Operation: 44*70=3080, Resulting Numbers: [3080] 3080,37 unequal: No Solution Exploring Operation: 70-44=26, Resulting Numbers: [26] 26,37 unequal: No Solution Exploring Operation: 44+70=114, Resulting Numbers: [114] 114,37 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 37:[4, 30], Operations: ['59-15=44', '74-44=30'] Exploring Operation: 30-4=26, Resulting Numbers: [26] 26,37 unequal: No Solution Exploring Operation: 4+30=34, Resulting Numbers: [34] 34,37 unequal: No Solution Exploring Operation: 4*30=120, Resulting Numbers: [120] 120,37 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 37:[74, 40], Operations: ['59-15=44', '44-4=40'] Exploring Operation: 74+40=114, Resulting Numbers: [114] 114,37 unequal: No Solution Exploring Operation: 74*40=2960, Resulting Numbers: [2960] 2960,37 unequal: No Solution Exploring Operation: 74-40=34, Resulting Numbers: [34] 34,37 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 37:[44, 78], Operations: ['59-15=44', '74+4=78'] Exploring Operation: 44*78=3432, Resulting Numbers: [3432] 3432,37 unequal: No Solution Exploring Operation: 78-44=34, Resulting Numbers: [34] 34,37 unequal: No Solution Exploring Operation: 44+78=122, Resulting Numbers: [122] 122,37 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 37:[15, 4, 15], Operations: ['74-59=15'] Exploring Operation: 4+15=19, Resulting Numbers: [15, 19] Generated Node #0,3,0: 37:[15, 19] Operation: 4+15=19 Exploring Operation: 15+4=19, Resulting Numbers: [15, 19] Generated Node #0,3,1: 37:[15, 19] Operation: 15+4=19 Exploring Operation: 15*4=60, Resulting Numbers: [15, 60] Generated Node #0,3,2: 37:[15, 60] Operation: 15*4=60 Exploring Operation: 15+15=30, Resulting Numbers: [4, 30] Generated Node #0,3,3: 37:[4, 30] Operation: 15+15=30 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 37:[15, 19], Operations: ['74-59=15', '4+15=19'] Exploring Operation: 15*19=285, Resulting Numbers: [285] 285,37 unequal: No Solution Exploring Operation: 19-15=4, Resulting Numbers: [4] 4,37 unequal: No Solution Exploring Operation: 15+19=34, Resulting Numbers: [34] 34,37 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 37:[15, 19], Operations: ['74-59=15', '15+4=19'] Exploring Operation: 19-15=4, Resulting Numbers: [4] 4,37 unequal: No Solution Exploring Operation: 15+19=34, Resulting Numbers: [34] 34,37 unequal: No Solution Exploring Operation: 15*19=285, Resulting Numbers: [285] 285,37 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 37:[4, 30], Operations: ['74-59=15', '15+15=30'] Exploring Operation: 4+30=34, Resulting Numbers: [34] 34,37 unequal: No Solution Exploring Operation: 4*30=120, Resulting Numbers: [120] 120,37 unequal: No Solution Exploring Operation: 30-4=26, Resulting Numbers: [26] 26,37 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 37:[15, 60], Operations: ['74-59=15', '15*4=60'] Exploring Operation: 15+60=75, Resulting Numbers: [75] 75,37 unequal: No Solution Exploring Operation: 60/15=4, Resulting Numbers: [4] 4,37 unequal: No Solution Exploring Operation: 15*60=900, Resulting Numbers: [900] 900,37 unequal: No Solution Exploring Operation: 60-15=45, Resulting Numbers: [45] 45,37 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
sum_heuristic
[ 2, 99, 10, 78 ]
41
[ "2*10=20", "99-78=21", "20+21=41" ]
Current State: 41:[2, 99, 10, 78], Operations: [] Exploring Operation: 2*10=20, Resulting Numbers: [99, 78, 20] Generated Node #2: [99, 78, 20] from Operation: 2*10=20 Current State: 41:[99, 78, 20], Operations: ['2*10=20'] Exploring Operation: 99-78=21, Resulting Numbers: [20, 21] Generated Node #3: [20, 21] from Operation: 99-78=21 Current State: 41:[20, 21], Operations: ['2*10=20', '99-78=21'] Exploring Operation: 20+21=41, Resulting Numbers: [41] 41,41 equal: Goal Reached
4
Current State: 41:[2, 99, 10, 78], Operations: [] Exploring Operation: 78/2=39, Resulting Numbers: [99, 10, 39] Generated Node #0,0: 41:[99, 10, 39] Operation: 78/2=39 Exploring Operation: 99-78=21, Resulting Numbers: [2, 10, 21] Generated Node #0,1: 41:[2, 10, 21] Operation: 99-78=21 Start Sub Search at level 1: Moving to Node #0,1 Current State: 41:[2, 10, 21], Operations: ['99-78=21'] Exploring Operation: 2*10=20, Resulting Numbers: [21, 20] Generated Node #0,1,0: 41:[21, 20] Operation: 2*10=20 Exploring Operation: 2*21=42, Resulting Numbers: [10, 42] Generated Node #0,1,1: 41:[10, 42] Operation: 2*21=42 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 41:[10, 42], Operations: ['99-78=21', '2*21=42'] Exploring Operation: 42-10=32, Resulting Numbers: [32] 32,41 unequal: No Solution Exploring Operation: 10+42=52, Resulting Numbers: [52] 52,41 unequal: No Solution No 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: 41:[21, 20], Operations: ['99-78=21', '2*10=20'] Exploring Operation: 21-20=1, Resulting Numbers: [1] 1,41 unequal: No Solution Exploring Operation: 21+20=41, Resulting Numbers: [41] 41,41 equal: Goal Reached Moving to Node #0 Current State: 41:[2, 99, 10, 78], Operations: [] Exploring Operation: 99-78=21, Resulting Numbers: [2, 10, 21] Generated Node #0,1: 41:[2, 10, 21] Operation: 99-78=21 Moving to Node #0,1 Current State: 41:[2, 10, 21], Operations: ['99-78=21'] Exploring Operation: 2*10=20, Resulting Numbers: [21, 20] Generated Node #0,1,0: 41:[21, 20] Operation: 2*10=20 Moving to Node #0,1,0 Current State: 41:[21, 20], Operations: ['99-78=21', '2*10=20'] Exploring Operation: 21+20=41, Resulting Numbers: [41] 41,41 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.989583
hs_2
mult_heuristic
[ 32, 27, 51, 19 ]
55
[ "27-19=8", "32/8=4", "51+4=55" ]
Current State: 55:[32, 27, 51, 19], Operations: [] Exploring Operation: 27-19=8, Resulting Numbers: [32, 51, 8] Generated Node #2: [32, 51, 8] from Operation: 27-19=8 Current State: 55:[32, 51, 8], Operations: ['27-19=8'] Exploring Operation: 32/8=4, Resulting Numbers: [51, 4] Generated Node #3: [51, 4] from Operation: 32/8=4 Current State: 55:[51, 4], Operations: ['27-19=8', '32/8=4'] Exploring Operation: 51+4=55, Resulting Numbers: [55] 55,55 equal: Goal Reached
4
Current State: 55:[32, 27, 51, 19], Operations: [] Exploring Operation: 32-27=5, Resulting Numbers: [51, 19, 5] Generated Node #0,0: 55:[51, 19, 5] Operation: 32-27=5 Exploring Operation: 32+27=59, Resulting Numbers: [51, 19, 59] Generated Node #0,1: 55:[51, 19, 59] Operation: 32+27=59 Moving to Node #0,0 Current State: 55:[51, 19, 5], Operations: ['32-27=5'] Exploring Operation: 19-5=14, Resulting Numbers: [51, 14] Generated Node #0,0,0: 55:[51, 14] Operation: 19-5=14 Exploring Operation: 51+5=56, Resulting Numbers: [19, 56] Generated Node #0,0,1: 55:[19, 56] Operation: 51+5=56 Moving to Node #0,1 Current State: 55:[51, 19, 59], Operations: ['32+27=59'] Exploring Operation: 51+19=70, Resulting Numbers: [59, 70] Generated Node #0,1,0: 55:[59, 70] Operation: 51+19=70 Exploring Operation: 59-51=8, Resulting Numbers: [19, 8] Generated Node #0,1,1: 55:[19, 8] Operation: 59-51=8 Moving to Node #0,0,0 Current State: 55:[51, 14], Operations: ['32-27=5', '19-5=14'] Exploring Operation: 51-14=37, Resulting Numbers: [37] 37,55 unequal: No Solution Exploring Operation: 51+14=65, Resulting Numbers: [65] 65,55 unequal: No Solution Moving to Node #0,0,1 Current State: 55:[19, 56], Operations: ['32-27=5', '51+5=56'] Exploring Operation: 56-19=37, Resulting Numbers: [37] 37,55 unequal: No Solution Exploring Operation: 19+56=75, Resulting Numbers: [75] 75,55 unequal: No Solution Moving to Node #0,1,1 Current State: 55:[19, 8], Operations: ['32+27=59', '59-51=8'] Exploring Operation: 19+8=27, Resulting Numbers: [27] 27,55 unequal: No Solution Exploring Operation: 19-8=11, Resulting Numbers: [11] 11,55 unequal: No Solution Moving to Node #0,1,0 Current State: 55:[59, 70], Operations: ['32+27=59', '51+19=70'] Exploring Operation: 70-59=11, Resulting Numbers: [11] 11,55 unequal: No Solution Exploring Operation: 59+70=129, Resulting Numbers: [129] 129,55 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 40, 79, 7, 65 ]
97
[ "79-40=39", "65-7=58", "39+58=97" ]
Current State: 97:[40, 79, 7, 65], Operations: [] Exploring Operation: 79-40=39, Resulting Numbers: [7, 65, 39] Generated Node #2: [7, 65, 39] from Operation: 79-40=39 Current State: 97:[7, 65, 39], Operations: ['79-40=39'] Exploring Operation: 65-7=58, Resulting Numbers: [39, 58] Generated Node #3: [39, 58] from Operation: 65-7=58 Current State: 97:[39, 58], Operations: ['79-40=39', '65-7=58'] Exploring Operation: 39+58=97, Resulting Numbers: [97] 97,97 equal: Goal Reached
4
Current State: 97:[40, 79, 7, 65], Operations: [] Exploring Operation: 79+7=86, Resulting Numbers: [40, 65, 86] Generated Node #0,0: 97:[40, 65, 86] Operation: 79+7=86 Exploring Operation: 7+65=72, Resulting Numbers: [40, 79, 72] Generated Node #0,1: 97:[40, 79, 72] Operation: 7+65=72 Exploring Operation: 40-7=33, Resulting Numbers: [79, 65, 33] Generated Node #0,2: 97:[79, 65, 33] Operation: 40-7=33 Exploring Operation: 40+7=47, Resulting Numbers: [79, 65, 47] Generated Node #0,3: 97:[79, 65, 47] Operation: 40+7=47 Start Sub Search at level 1: Moving to Node #0,0 Current State: 97:[40, 65, 86], Operations: ['79+7=86'] Exploring Operation: 40+65=105, Resulting Numbers: [86, 105] Generated Node #0,0,0: 97:[86, 105] Operation: 40+65=105 Exploring Operation: 40+86=126, Resulting Numbers: [65, 126] Generated Node #0,0,1: 97:[65, 126] Operation: 40+86=126 Exploring Operation: 86-40=46, Resulting Numbers: [65, 46] Generated Node #0,0,2: 97:[65, 46] Operation: 86-40=46 Exploring Operation: 65-40=25, Resulting Numbers: [86, 25] Generated Node #0,0,3: 97:[86, 25] Operation: 65-40=25 Moving to Node #0,0,0 Current State: 97:[86, 105], Operations: ['79+7=86', '40+65=105'] Exploring Operation: 86+105=191, Resulting Numbers: [191] 191,97 unequal: No Solution Exploring Operation: 105-86=19, Resulting Numbers: [19] 19,97 unequal: No Solution Exploring Operation: 86*105=9030, Resulting Numbers: [9030] 9030,97 unequal: No Solution Moving to Node #0,0,1 Current State: 97:[65, 126], Operations: ['79+7=86', '40+86=126'] Exploring Operation: 65+126=191, Resulting Numbers: [191] 191,97 unequal: No Solution Exploring Operation: 65*126=8190, Resulting Numbers: [8190] 8190,97 unequal: No Solution Exploring Operation: 126-65=61, Resulting Numbers: [61] 61,97 unequal: No Solution Moving to Node #0,0,3 Current State: 97:[86, 25], Operations: ['79+7=86', '65-40=25'] Exploring Operation: 86-25=61, Resulting Numbers: [61] 61,97 unequal: No Solution Exploring Operation: 86+25=111, Resulting Numbers: [111] 111,97 unequal: No Solution Exploring Operation: 86*25=2150, Resulting Numbers: [2150] 2150,97 unequal: No Solution Moving to Node #0,0,2 Current State: 97:[65, 46], Operations: ['79+7=86', '86-40=46'] Exploring Operation: 65-46=19, Resulting Numbers: [19] 19,97 unequal: No Solution Exploring Operation: 65*46=2990, Resulting Numbers: [2990] 2990,97 unequal: No Solution Exploring Operation: 65+46=111, Resulting Numbers: [111] 111,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 97:[40, 79, 72], Operations: ['7+65=72'] Exploring Operation: 40+79=119, Resulting Numbers: [72, 119] Generated Node #0,1,0: 97:[72, 119] Operation: 40+79=119 Exploring Operation: 72-40=32, Resulting Numbers: [79, 32] Generated Node #0,1,1: 97:[79, 32] Operation: 72-40=32 Exploring Operation: 79-40=39, Resulting Numbers: [72, 39] Generated Node #0,1,2: 97:[72, 39] Operation: 79-40=39 Exploring Operation: 40+72=112, Resulting Numbers: [79, 112] Generated Node #0,1,3: 97:[79, 112] Operation: 40+72=112 Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 97:[79, 112], Operations: ['7+65=72', '40+72=112'] Exploring Operation: 79*112=8848, Resulting Numbers: [8848] 8848,97 unequal: No Solution Exploring Operation: 79+112=191, Resulting Numbers: [191] 191,97 unequal: No Solution Exploring Operation: 112-79=33, Resulting Numbers: [33] 33,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 97:[72, 119], Operations: ['7+65=72', '40+79=119'] Exploring Operation: 72+119=191, Resulting Numbers: [191] 191,97 unequal: No Solution Exploring Operation: 119-72=47, Resulting Numbers: [47] 47,97 unequal: No Solution Exploring Operation: 72*119=8568, Resulting Numbers: [8568] 8568,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 97:[79, 32], Operations: ['7+65=72', '72-40=32'] Exploring Operation: 79*32=2528, Resulting Numbers: [2528] 2528,97 unequal: No Solution Exploring Operation: 79+32=111, Resulting Numbers: [111] 111,97 unequal: No Solution Exploring Operation: 79-32=47, Resulting Numbers: [47] 47,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 97:[72, 39], Operations: ['7+65=72', '79-40=39'] Exploring Operation: 72+39=111, Resulting Numbers: [111] 111,97 unequal: No Solution Exploring Operation: 72*39=2808, Resulting Numbers: [2808] 2808,97 unequal: No Solution Exploring Operation: 72-39=33, Resulting Numbers: [33] 33,97 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: 97:[79, 65, 47], Operations: ['40+7=47'] Exploring Operation: 79-47=32, Resulting Numbers: [65, 32] Generated Node #0,3,0: 97:[65, 32] Operation: 79-47=32 Exploring Operation: 79+47=126, Resulting Numbers: [65, 126] Generated Node #0,3,1: 97:[65, 126] Operation: 79+47=126 Exploring Operation: 79+65=144, Resulting Numbers: [47, 144] Generated Node #0,3,2: 97:[47, 144] Operation: 79+65=144 Exploring Operation: 65+47=112, Resulting Numbers: [79, 112] Generated Node #0,3,3: 97:[79, 112] Operation: 65+47=112 Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 97:[79, 112], Operations: ['40+7=47', '65+47=112'] Exploring Operation: 79+112=191, Resulting Numbers: [191] 191,97 unequal: No Solution Exploring Operation: 79*112=8848, Resulting Numbers: [8848] 8848,97 unequal: No Solution Exploring Operation: 112-79=33, Resulting Numbers: [33] 33,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 97:[65, 126], Operations: ['40+7=47', '79+47=126'] Exploring Operation: 126-65=61, Resulting Numbers: [61] 61,97 unequal: No Solution Exploring Operation: 65+126=191, Resulting Numbers: [191] 191,97 unequal: No Solution Exploring Operation: 65*126=8190, Resulting Numbers: [8190] 8190,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 97:[65, 32], Operations: ['40+7=47', '79-47=32'] Exploring Operation: 65-32=33, Resulting Numbers: [33] 33,97 unequal: No Solution Exploring Operation: 65*32=2080, Resulting Numbers: [2080] 2080,97 unequal: No Solution Exploring Operation: 65+32=97, Resulting Numbers: [97] 97,97 equal: Goal Reached Moving to Node #0 Current State: 97:[40, 79, 7, 65], Operations: [] Exploring Operation: 40+7=47, Resulting Numbers: [79, 65, 47] Generated Node #0,3: 97:[79, 65, 47] Operation: 40+7=47 Moving to Node #0,3 Current State: 97:[79, 65, 47], Operations: ['40+7=47'] Exploring Operation: 79-47=32, Resulting Numbers: [65, 32] Generated Node #0,3,0: 97:[65, 32] Operation: 79-47=32 Moving to Node #0,3,0 Current State: 97:[65, 32], Operations: ['40+7=47', '79-47=32'] Exploring Operation: 65+32=97, Resulting Numbers: [97] 97,97 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.953993
hs_4
mult_heuristic
[ 23, 14, 66, 11 ]
31
[ "23+14=37", "66/11=6", "37-6=31" ]
Current State: 31:[23, 14, 66, 11], Operations: [] Exploring Operation: 23+14=37, Resulting Numbers: [66, 11, 37] Generated Node #2: [66, 11, 37] from Operation: 23+14=37 Current State: 31:[66, 11, 37], Operations: ['23+14=37'] Exploring Operation: 66/11=6, Resulting Numbers: [37, 6] Generated Node #3: [37, 6] from Operation: 66/11=6 Current State: 31:[37, 6], Operations: ['23+14=37', '66/11=6'] Exploring Operation: 37-6=31, Resulting Numbers: [31] 31,31 equal: Goal Reached
4
Current State: 31:[23, 14, 66, 11], Operations: [] Exploring Operation: 66-14=52, Resulting Numbers: [23, 11, 52] Generated Node #0,0: 31:[23, 11, 52] Operation: 66-14=52 Exploring Operation: 66-23=43, Resulting Numbers: [14, 11, 43] Generated Node #0,1: 31:[14, 11, 43] Operation: 66-23=43 Exploring Operation: 14+11=25, Resulting Numbers: [23, 66, 25] Generated Node #0,2: 31:[23, 66, 25] Operation: 14+11=25 Start Sub Search at level 1: Moving to Node #0,0 Current State: 31:[23, 11, 52], Operations: ['66-14=52'] Exploring Operation: 23+11=34, Resulting Numbers: [52, 34] Generated Node #0,0,0: 31:[52, 34] Operation: 23+11=34 Exploring Operation: 52-11=41, Resulting Numbers: [23, 41] Generated Node #0,0,1: 31:[23, 41] Operation: 52-11=41 Exploring Operation: 52-23=29, Resulting Numbers: [11, 29] Generated Node #0,0,2: 31:[11, 29] Operation: 52-23=29 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 31:[23, 41], Operations: ['66-14=52', '52-11=41'] Exploring Operation: 23+41=64, Resulting Numbers: [64] 64,31 unequal: No Solution Exploring Operation: 23*41=943, Resulting Numbers: [943] 943,31 unequal: No Solution Exploring Operation: 41-23=18, Resulting Numbers: [18] 18,31 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 #0,0,2 Current State: 31:[11, 29], Operations: ['66-14=52', '52-23=29'] Exploring Operation: 11*29=319, Resulting Numbers: [319] 319,31 unequal: No Solution Exploring Operation: 29-11=18, Resulting Numbers: [18] 18,31 unequal: No Solution Exploring Operation: 11+29=40, Resulting Numbers: [40] 40,31 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 31:[52, 34], Operations: ['66-14=52', '23+11=34'] Exploring Operation: 52-34=18, Resulting Numbers: [18] 18,31 unequal: No Solution Exploring Operation: 52*34=1768, Resulting Numbers: [1768] 1768,31 unequal: No Solution Exploring Operation: 52+34=86, Resulting Numbers: [86] 86,31 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:[14, 11, 43], Operations: ['66-23=43'] Exploring Operation: 14+11=25, Resulting Numbers: [43, 25] Generated Node #0,1,0: 31:[43, 25] Operation: 14+11=25 Exploring Operation: 43-11=32, Resulting Numbers: [14, 32] Generated Node #0,1,1: 31:[14, 32] Operation: 43-11=32 Exploring Operation: 43-14=29, Resulting Numbers: [11, 29] Generated Node #0,1,2: 31:[11, 29] Operation: 43-14=29 Moving to Node #0,1,0 Current State: 31:[43, 25], Operations: ['66-23=43', '14+11=25'] Exploring Operation: 43-25=18, Resulting Numbers: [18] 18,31 unequal: No Solution Exploring Operation: 43*25=1075, Resulting Numbers: [1075] 1075,31 unequal: No Solution Exploring Operation: 43+25=68, Resulting Numbers: [68] 68,31 unequal: No Solution Moving to Node #0,1,1 Current State: 31:[14, 32], Operations: ['66-23=43', '43-11=32'] Exploring Operation: 14+32=46, Resulting Numbers: [46] 46,31 unequal: No Solution Exploring Operation: 14*32=448, Resulting Numbers: [448] 448,31 unequal: No Solution Exploring Operation: 32-14=18, Resulting Numbers: [18] 18,31 unequal: No Solution Moving to Node #0,1,2 Current State: 31:[11, 29], Operations: ['66-23=43', '43-14=29'] Exploring Operation: 11*29=319, Resulting Numbers: [319] 319,31 unequal: No Solution Exploring Operation: 11+29=40, Resulting Numbers: [40] 40,31 unequal: No Solution Exploring Operation: 29-11=18, Resulting Numbers: [18] 18,31 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 31:[23, 66, 25], Operations: ['14+11=25'] Exploring Operation: 66-23=43, Resulting Numbers: [25, 43] Generated Node #0,2,0: 31:[25, 43] Operation: 66-23=43 Exploring Operation: 66-25=41, Resulting Numbers: [23, 41] Generated Node #0,2,1: 31:[23, 41] Operation: 66-25=41 Exploring Operation: 23+25=48, Resulting Numbers: [66, 48] Generated Node #0,2,2: 31:[66, 48] Operation: 23+25=48 Moving to Node #0,2,0 Current State: 31:[25, 43], Operations: ['14+11=25', '66-23=43'] Exploring Operation: 25+43=68, Resulting Numbers: [68] 68,31 unequal: No Solution Exploring Operation: 25*43=1075, Resulting Numbers: [1075] 1075,31 unequal: No Solution Exploring Operation: 43-25=18, Resulting Numbers: [18] 18,31 unequal: No Solution Moving to Node #0,2,1 Current State: 31:[23, 41], Operations: ['14+11=25', '66-25=41'] Exploring Operation: 23*41=943, Resulting Numbers: [943] 943,31 unequal: No Solution Exploring Operation: 23+41=64, Resulting Numbers: [64] 64,31 unequal: No Solution Exploring Operation: 41-23=18, Resulting Numbers: [18] 18,31 unequal: No Solution Moving to Node #0,2,2 Current State: 31:[66, 48], Operations: ['14+11=25', '23+25=48'] Exploring Operation: 66-48=18, Resulting Numbers: [18] 18,31 unequal: No Solution Exploring Operation: 66+48=114, Resulting Numbers: [114] 114,31 unequal: No Solution Exploring Operation: 66*48=3168, Resulting Numbers: [3168] 3168,31 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
[ 34, 52, 16, 17 ]
20
[ "34*16=544", "544/17=32", "52-32=20" ]
Current State: 20:[34, 52, 16, 17], Operations: [] Exploring Operation: 34*16=544, Resulting Numbers: [52, 17, 544] Generated Node #2: [52, 17, 544] from Operation: 34*16=544 Current State: 20:[52, 17, 544], Operations: ['34*16=544'] Exploring Operation: 544/17=32, Resulting Numbers: [52, 32] Generated Node #3: [52, 32] from Operation: 544/17=32 Current State: 20:[52, 32], Operations: ['34*16=544', '544/17=32'] Exploring Operation: 52-32=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[34, 52, 16, 17], Operations: [] Exploring Operation: 34-16=18, Resulting Numbers: [52, 17, 18] Generated Node #0,0: 20:[52, 17, 18] Operation: 34-16=18 Exploring Operation: 52-16=36, Resulting Numbers: [34, 17, 36] Generated Node #0,1: 20:[34, 17, 36] Operation: 52-16=36 Exploring Operation: 52-17=35, Resulting Numbers: [34, 16, 35] Generated Node #0,2: 20:[34, 16, 35] Operation: 52-17=35 Exploring Operation: 34/17=2, Resulting Numbers: [52, 16, 2] Generated Node #0,3: 20:[52, 16, 2] Operation: 34/17=2 Exploring Operation: 52-34=18, Resulting Numbers: [16, 17, 18] Generated Node #0,4: 20:[16, 17, 18] Operation: 52-34=18 Start Sub Search at level 1: Moving to Node #0,4 Current State: 20:[16, 17, 18], Operations: ['52-34=18'] Exploring Operation: 16+17=33, Resulting Numbers: [18, 33] Generated Node #0,4,0: 20:[18, 33] Operation: 16+17=33 Exploring Operation: 18-17=1, Resulting Numbers: [16, 1] Generated Node #0,4,1: 20:[16, 1] Operation: 18-17=1 Exploring Operation: 18-16=2, Resulting Numbers: [17, 2] Generated Node #0,4,2: 20:[17, 2] Operation: 18-16=2 Exploring Operation: 17-16=1, Resulting Numbers: [18, 1] Generated Node #0,4,3: 20:[18, 1] Operation: 17-16=1 Exploring Operation: 16+18=34, Resulting Numbers: [17, 34] Generated Node #0,4,4: 20:[17, 34] Operation: 16+18=34 Moving to Node #0,4,2 Current State: 20:[17, 2], Operations: ['52-34=18', '18-16=2'] Exploring Operation: 17*2=34, Resulting Numbers: [34] 34,20 unequal: No Solution Exploring Operation: 17+2=19, Resulting Numbers: [19] 19,20 unequal: No Solution Exploring Operation: 17-2=15, Resulting Numbers: [15] 15,20 unequal: No Solution Moving to Node #0,4,3 Current State: 20:[18, 1], Operations: ['52-34=18', '17-16=1'] Exploring Operation: 18/1=18, Resulting Numbers: [18] 18,20 unequal: No Solution Exploring Operation: 18*1=18, Resulting Numbers: [18] 18,20 unequal: No Solution Exploring Operation: 18+1=19, Resulting Numbers: [19] 19,20 unequal: No Solution Exploring Operation: 18-1=17, Resulting Numbers: [17] 17,20 unequal: No Solution Moving to Node #0,4,1 Current State: 20:[16, 1], Operations: ['52-34=18', '18-17=1'] Exploring Operation: 16/1=16, Resulting Numbers: [16] 16,20 unequal: No Solution Exploring Operation: 16-1=15, Resulting Numbers: [15] 15,20 unequal: No Solution Exploring Operation: 16*1=16, Resulting Numbers: [16] 16,20 unequal: No Solution Exploring Operation: 16+1=17, Resulting Numbers: [17] 17,20 unequal: No Solution Moving to Node #0,4,0 Current State: 20:[18, 33], Operations: ['52-34=18', '16+17=33'] Exploring Operation: 18*33=594, Resulting Numbers: [594] 594,20 unequal: No Solution Exploring Operation: 33-18=15, Resulting Numbers: [15] 15,20 unequal: No Solution Exploring Operation: 18+33=51, Resulting Numbers: [51] 51,20 unequal: No Solution Moving to Node #0,4,4 Current State: 20:[17, 34], Operations: ['52-34=18', '16+18=34'] Exploring Operation: 34-17=17, Resulting Numbers: [17] 17,20 unequal: No Solution Exploring Operation: 17+34=51, Resulting Numbers: [51] 51,20 unequal: No Solution Exploring Operation: 17*34=578, Resulting Numbers: [578] 578,20 unequal: No Solution Exploring Operation: 34/17=2, Resulting Numbers: [2] 2,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 20:[34, 17, 36], Operations: ['52-16=36'] Exploring Operation: 36-17=19, Resulting Numbers: [34, 19] Generated Node #0,1,0: 20:[34, 19] Operation: 36-17=19 Exploring Operation: 34-17=17, Resulting Numbers: [36, 17] Generated Node #0,1,1: 20:[36, 17] Operation: 34-17=17 Exploring Operation: 34+17=51, Resulting Numbers: [36, 51] Generated Node #0,1,2: 20:[36, 51] Operation: 34+17=51 Exploring Operation: 34/17=2, Resulting Numbers: [36, 2] Generated Node #0,1,3: 20:[36, 2] Operation: 34/17=2 Exploring Operation: 36-34=2, Resulting Numbers: [17, 2] Generated Node #0,1,4: 20:[17, 2] Operation: 36-34=2 Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 20:[17, 2], Operations: ['52-16=36', '36-34=2'] Exploring Operation: 17*2=34, Resulting Numbers: [34] 34,20 unequal: No Solution Exploring Operation: 17+2=19, Resulting Numbers: [19] 19,20 unequal: No Solution Exploring Operation: 17-2=15, Resulting Numbers: [15] 15,20 unequal: No Solution No 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: 20:[34, 19], Operations: ['52-16=36', '36-17=19'] Exploring Operation: 34-19=15, Resulting Numbers: [15] 15,20 unequal: No Solution Exploring Operation: 34*19=646, Resulting Numbers: [646] 646,20 unequal: No Solution Exploring Operation: 34+19=53, Resulting Numbers: [53] 53,20 unequal: No Solution No 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: 20:[36, 2], Operations: ['52-16=36', '34/17=2'] Exploring Operation: 36-2=34, Resulting Numbers: [34] 34,20 unequal: No Solution Exploring Operation: 36+2=38, Resulting Numbers: [38] 38,20 unequal: No Solution Exploring Operation: 36/2=18, Resulting Numbers: [18] 18,20 unequal: No Solution Exploring Operation: 36*2=72, Resulting Numbers: [72] 72,20 unequal: No Solution No 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: 20:[36, 17], Operations: ['52-16=36', '34-17=17'] Exploring Operation: 36-17=19, Resulting Numbers: [19] 19,20 unequal: No Solution Exploring Operation: 36+17=53, Resulting Numbers: [53] 53,20 unequal: No Solution Exploring Operation: 36*17=612, Resulting Numbers: [612] 612,20 unequal: No Solution No 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: 20:[36, 51], Operations: ['52-16=36', '34+17=51'] Exploring Operation: 36+51=87, Resulting Numbers: [87] 87,20 unequal: No Solution Exploring Operation: 36*51=1836, Resulting Numbers: [1836] 1836,20 unequal: No Solution Exploring Operation: 51-36=15, Resulting Numbers: [15] 15,20 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: 20:[34, 16, 35], Operations: ['52-17=35'] Exploring Operation: 16+35=51, Resulting Numbers: [34, 51] Generated Node #0,2,0: 20:[34, 51] Operation: 16+35=51 Exploring Operation: 35-34=1, Resulting Numbers: [16, 1] Generated Node #0,2,1: 20:[16, 1] Operation: 35-34=1 Exploring Operation: 35-16=19, Resulting Numbers: [34, 19] Generated Node #0,2,2: 20:[34, 19] Operation: 35-16=19 Exploring Operation: 34-16=18, Resulting Numbers: [35, 18] Generated Node #0,2,3: 20:[35, 18] Operation: 34-16=18 Exploring Operation: 34+16=50, Resulting Numbers: [35, 50] Generated Node #0,2,4: 20:[35, 50] Operation: 34+16=50 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 20:[16, 1], Operations: ['52-17=35', '35-34=1'] Exploring Operation: 16-1=15, Resulting Numbers: [15] 15,20 unequal: No Solution Exploring Operation: 16+1=17, Resulting Numbers: [17] 17,20 unequal: No Solution Exploring Operation: 16*1=16, Resulting Numbers: [16] 16,20 unequal: No Solution Exploring Operation: 16/1=16, Resulting Numbers: [16] 16,20 unequal: No Solution No 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: 20:[34, 19], Operations: ['52-17=35', '35-16=19'] Exploring Operation: 34+19=53, Resulting Numbers: [53] 53,20 unequal: No Solution Exploring Operation: 34-19=15, Resulting Numbers: [15] 15,20 unequal: No Solution Exploring Operation: 34*19=646, Resulting Numbers: [646] 646,20 unequal: No Solution No 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: 20:[35, 18], Operations: ['52-17=35', '34-16=18'] Exploring Operation: 35*18=630, Resulting Numbers: [630] 630,20 unequal: No Solution Exploring Operation: 35+18=53, Resulting Numbers: [53] 53,20 unequal: No Solution Exploring Operation: 35-18=17, Resulting Numbers: [17] 17,20 unequal: No Solution No 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: 20:[34, 51], Operations: ['52-17=35', '16+35=51'] Exploring Operation: 34*51=1734, Resulting Numbers: [1734] 1734,20 unequal: No Solution Exploring Operation: 34+51=85, Resulting Numbers: [85] 85,20 unequal: No Solution Exploring Operation: 51-34=17, Resulting Numbers: [17] 17,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 20:[35, 50], Operations: ['52-17=35', '34+16=50'] Exploring Operation: 50-35=15, Resulting Numbers: [15] 15,20 unequal: No Solution Exploring Operation: 35+50=85, Resulting Numbers: [85] 85,20 unequal: No Solution Exploring Operation: 35*50=1750, Resulting Numbers: [1750] 1750,20 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: 20:[52, 16, 2], Operations: ['34/17=2'] Exploring Operation: 52/2=26, Resulting Numbers: [16, 26] Generated Node #0,3,0: 20:[16, 26] Operation: 52/2=26 Exploring Operation: 52-16=36, Resulting Numbers: [2, 36] Generated Node #0,3,1: 20:[2, 36] Operation: 52-16=36 Exploring Operation: 52-2=50, Resulting Numbers: [16, 50] Generated Node #0,3,2: 20:[16, 50] Operation: 52-2=50 Exploring Operation: 16+2=18, Resulting Numbers: [52, 18] Generated Node #0,3,3: 20:[52, 18] Operation: 16+2=18 Exploring Operation: 16/2=8, Resulting Numbers: [52, 8] Generated Node #0,3,4: 20:[52, 8] Operation: 16/2=8 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 20:[16, 26], Operations: ['34/17=2', '52/2=26'] Exploring Operation: 16+26=42, Resulting Numbers: [42] 42,20 unequal: No Solution Exploring Operation: 26-16=10, Resulting Numbers: [10] 10,20 unequal: No Solution Exploring Operation: 16*26=416, Resulting Numbers: [416] 416,20 unequal: No Solution No 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: 20:[2, 36], Operations: ['34/17=2', '52-16=36'] Exploring Operation: 36/2=18, Resulting Numbers: [18] 18,20 unequal: No Solution Exploring Operation: 2*36=72, Resulting Numbers: [72] 72,20 unequal: No Solution Exploring Operation: 36-2=34, Resulting Numbers: [34] 34,20 unequal: No Solution Exploring Operation: 2+36=38, Resulting Numbers: [38] 38,20 unequal: No Solution No 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: 20:[16, 50], Operations: ['34/17=2', '52-2=50'] Exploring Operation: 16+50=66, Resulting Numbers: [66] 66,20 unequal: No Solution Exploring Operation: 16*50=800, Resulting Numbers: [800] 800,20 unequal: No Solution Exploring Operation: 50-16=34, Resulting Numbers: [34] 34,20 unequal: No Solution No 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: 20:[52, 18], Operations: ['34/17=2', '16+2=18'] Exploring Operation: 52-18=34, Resulting Numbers: [34] 34,20 unequal: No Solution Exploring Operation: 52*18=936, Resulting Numbers: [936] 936,20 unequal: No Solution Exploring Operation: 52+18=70, Resulting Numbers: [70] 70,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 20:[52, 8], Operations: ['34/17=2', '16/2=8'] Exploring Operation: 52+8=60, Resulting Numbers: [60] 60,20 unequal: No Solution Exploring Operation: 52*8=416, Resulting Numbers: [416] 416,20 unequal: No Solution Exploring Operation: 52-8=44, Resulting Numbers: [44] 44,20 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: 20:[52, 17, 18], Operations: ['34-16=18'] Exploring Operation: 52-17=35, Resulting Numbers: [18, 35] Generated Node #0,0,0: 20:[18, 35] Operation: 52-17=35 Exploring Operation: 52+17=69, Resulting Numbers: [18, 69] Generated Node #0,0,1: 20:[18, 69] Operation: 52+17=69 Exploring Operation: 52-18=34, Resulting Numbers: [17, 34] Generated Node #0,0,2: 20:[17, 34] Operation: 52-18=34 Exploring Operation: 18-17=1, Resulting Numbers: [52, 1] Generated Node #0,0,3: 20:[52, 1] Operation: 18-17=1 Exploring Operation: 17+18=35, Resulting Numbers: [52, 35] Generated Node #0,0,4: 20:[52, 35] Operation: 17+18=35 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 20:[18, 35], Operations: ['34-16=18', '52-17=35'] Exploring Operation: 35-18=17, Resulting Numbers: [17] 17,20 unequal: No Solution Exploring Operation: 18+35=53, Resulting Numbers: [53] 53,20 unequal: No Solution Exploring Operation: 18*35=630, Resulting Numbers: [630] 630,20 unequal: No Solution No 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: 20:[17, 34], Operations: ['34-16=18', '52-18=34'] Exploring Operation: 34-17=17, Resulting Numbers: [17] 17,20 unequal: No Solution Exploring Operation: 17*34=578, Resulting Numbers: [578] 578,20 unequal: No Solution Exploring Operation: 34/17=2, Resulting Numbers: [2] 2,20 unequal: No Solution Exploring Operation: 17+34=51, Resulting Numbers: [51] 51,20 unequal: No Solution No 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: 20:[52, 1], Operations: ['34-16=18', '18-17=1'] Exploring Operation: 52*1=52, Resulting Numbers: [52] 52,20 unequal: No Solution Exploring Operation: 52-1=51, Resulting Numbers: [51] 51,20 unequal: No Solution Exploring Operation: 52+1=53, Resulting Numbers: [53] 53,20 unequal: No Solution Exploring Operation: 52/1=52, Resulting Numbers: [52] 52,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 20:[52, 35], Operations: ['34-16=18', '17+18=35'] Exploring Operation: 52*35=1820, Resulting Numbers: [1820] 1820,20 unequal: No Solution Exploring Operation: 52+35=87, Resulting Numbers: [87] 87,20 unequal: No Solution Exploring Operation: 52-35=17, Resulting Numbers: [17] 17,20 unequal: No Solution No 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: 20:[18, 69], Operations: ['34-16=18', '52+17=69'] Exploring Operation: 18*69=1242, Resulting Numbers: [1242] 1242,20 unequal: No Solution Exploring Operation: 18+69=87, Resulting Numbers: [87] 87,20 unequal: No Solution Exploring Operation: 69-18=51, Resulting Numbers: [51] 51,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
mult_heuristic
[ 10, 83, 97, 65 ]
91
[ "97-83=14", "65*14=910", "910/10=91" ]
Current State: 91:[10, 83, 97, 65], Operations: [] Exploring Operation: 97-83=14, Resulting Numbers: [10, 65, 14] Generated Node #2: [10, 65, 14] from Operation: 97-83=14 Current State: 91:[10, 65, 14], Operations: ['97-83=14'] Exploring Operation: 65*14=910, Resulting Numbers: [10, 910] Generated Node #3: [10, 910] from Operation: 65*14=910 Current State: 91:[10, 910], Operations: ['97-83=14', '65*14=910'] Exploring Operation: 910/10=91, Resulting Numbers: [91] 91,91 equal: Goal Reached
4
Current State: 91:[10, 83, 97, 65], Operations: [] Exploring Operation: 83-65=18, Resulting Numbers: [10, 97, 18] Generated Node #0,0: 91:[10, 97, 18] Operation: 83-65=18 Start Sub Search at level 1: Moving to Node #0,0 Current State: 91:[10, 97, 18], Operations: ['83-65=18'] Exploring Operation: 18-10=8, Resulting Numbers: [97, 8] Generated Node #0,0,0: 91:[97, 8] Operation: 18-10=8 Moving to Node #0,0,0 Current State: 91:[97, 8], Operations: ['83-65=18', '18-10=8'] Exploring Operation: 97-8=89, Resulting Numbers: [89] 89,91 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
[ 60, 62, 50, 35 ]
66
[ "50-35=15", "60/15=4", "62+4=66" ]
Current State: 66:[60, 62, 50, 35], Operations: [] Exploring Operation: 50-35=15, Resulting Numbers: [60, 62, 15] Generated Node #2: [60, 62, 15] from Operation: 50-35=15 Current State: 66:[60, 62, 15], Operations: ['50-35=15'] Exploring Operation: 60/15=4, Resulting Numbers: [62, 4] Generated Node #3: [62, 4] from Operation: 60/15=4 Current State: 66:[62, 4], Operations: ['50-35=15', '60/15=4'] Exploring Operation: 62+4=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
4
Current State: 66:[60, 62, 50, 35], Operations: [] Exploring Operation: 62-50=12, Resulting Numbers: [60, 35, 12] Generated Node #0,0: 66:[60, 35, 12] Operation: 62-50=12 Exploring Operation: 60-50=10, Resulting Numbers: [62, 35, 10] Generated Node #0,1: 66:[62, 35, 10] Operation: 60-50=10 Exploring Operation: 50-35=15, Resulting Numbers: [60, 62, 15] Generated Node #0,2: 66:[60, 62, 15] Operation: 50-35=15 Exploring Operation: 60-35=25, Resulting Numbers: [62, 50, 25] Generated Node #0,3: 66:[62, 50, 25] Operation: 60-35=25 Exploring Operation: 62-60=2, Resulting Numbers: [50, 35, 2] Generated Node #0,4: 66:[50, 35, 2] Operation: 62-60=2 Moving to Node #0,1 Current State: 66:[62, 35, 10], Operations: ['60-50=10'] Exploring Operation: 35-10=25, Resulting Numbers: [62, 25] Generated Node #0,1,0: 66:[62, 25] Operation: 35-10=25 Exploring Operation: 35+10=45, Resulting Numbers: [62, 45] Generated Node #0,1,1: 66:[62, 45] Operation: 35+10=45 Exploring Operation: 62-35=27, Resulting Numbers: [10, 27] Generated Node #0,1,2: 66:[10, 27] Operation: 62-35=27 Exploring Operation: 62+10=72, Resulting Numbers: [35, 72] Generated Node #0,1,3: 66:[35, 72] Operation: 62+10=72 Exploring Operation: 62-10=52, Resulting Numbers: [35, 52] Generated Node #0,1,4: 66:[35, 52] Operation: 62-10=52 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 66:[10, 27], Operations: ['60-50=10', '62-35=27'] Exploring Operation: 10*27=270, Resulting Numbers: [270] 270,66 unequal: No Solution Exploring Operation: 10+27=37, Resulting Numbers: [37] 37,66 unequal: No Solution Exploring Operation: 27-10=17, Resulting Numbers: [17] 17,66 unequal: No Solution No 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: 66:[62, 25], Operations: ['60-50=10', '35-10=25'] Exploring Operation: 62+25=87, Resulting Numbers: [87] 87,66 unequal: No Solution Exploring Operation: 62*25=1550, Resulting Numbers: [1550] 1550,66 unequal: No Solution Exploring Operation: 62-25=37, Resulting Numbers: [37] 37,66 unequal: No Solution No 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: 66:[35, 72], Operations: ['60-50=10', '62+10=72'] Exploring Operation: 35*72=2520, Resulting Numbers: [2520] 2520,66 unequal: No Solution Exploring Operation: 35+72=107, Resulting Numbers: [107] 107,66 unequal: No Solution Exploring Operation: 72-35=37, Resulting Numbers: [37] 37,66 unequal: No Solution No 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: 66:[62, 45], Operations: ['60-50=10', '35+10=45'] Exploring Operation: 62+45=107, Resulting Numbers: [107] 107,66 unequal: No Solution Exploring Operation: 62-45=17, Resulting Numbers: [17] 17,66 unequal: No Solution Exploring Operation: 62*45=2790, Resulting Numbers: [2790] 2790,66 unequal: No Solution No 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: 66:[35, 52], Operations: ['60-50=10', '62-10=52'] Exploring Operation: 35+52=87, Resulting Numbers: [87] 87,66 unequal: No Solution Exploring Operation: 52-35=17, Resulting Numbers: [17] 17,66 unequal: No Solution Exploring Operation: 35*52=1820, Resulting Numbers: [1820] 1820,66 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: 66:[60, 35, 12], Operations: ['62-50=12'] Exploring Operation: 60/12=5, Resulting Numbers: [35, 5] Generated Node #0,0,0: 66:[35, 5] Operation: 60/12=5 Exploring Operation: 35-12=23, Resulting Numbers: [60, 23] Generated Node #0,0,1: 66:[60, 23] Operation: 35-12=23 Exploring Operation: 60-12=48, Resulting Numbers: [35, 48] Generated Node #0,0,2: 66:[35, 48] Operation: 60-12=48 Exploring Operation: 60-35=25, Resulting Numbers: [12, 25] Generated Node #0,0,3: 66:[12, 25] Operation: 60-35=25 Exploring Operation: 60+12=72, Resulting Numbers: [35, 72] Generated Node #0,0,4: 66:[35, 72] Operation: 60+12=72 Moving to Node #0,2 Current State: 66:[60, 62, 15], Operations: ['50-35=15'] Exploring Operation: 60-15=45, Resulting Numbers: [62, 45] Generated Node #0,2,0: 66:[62, 45] Operation: 60-15=45 Exploring Operation: 60/15=4, Resulting Numbers: [62, 4] Generated Node #0,2,1: 66:[62, 4] Operation: 60/15=4 Exploring Operation: 62+15=77, Resulting Numbers: [60, 77] Generated Node #0,2,2: 66:[60, 77] Operation: 62+15=77 Exploring Operation: 62-60=2, Resulting Numbers: [15, 2] Generated Node #0,2,3: 66:[15, 2] Operation: 62-60=2 Exploring Operation: 60+15=75, Resulting Numbers: [62, 75] Generated Node #0,2,4: 66:[62, 75] Operation: 60+15=75 Moving to Node #0,4 Current State: 66:[50, 35, 2], Operations: ['62-60=2'] Exploring Operation: 50+2=52, Resulting Numbers: [35, 52] Generated Node #0,4,0: 66:[35, 52] Operation: 50+2=52 Exploring Operation: 50-35=15, Resulting Numbers: [2, 15] Generated Node #0,4,1: 66:[2, 15] Operation: 50-35=15 Exploring Operation: 50/2=25, Resulting Numbers: [35, 25] Generated Node #0,4,2: 66:[35, 25] Operation: 50/2=25 Exploring Operation: 35-2=33, Resulting Numbers: [50, 33] Generated Node #0,4,3: 66:[50, 33] Operation: 35-2=33 Exploring Operation: 50-2=48, Resulting Numbers: [35, 48] Generated Node #0,4,4: 66:[35, 48] Operation: 50-2=48 Moving to Node #0,3 Current State: 66:[62, 50, 25], Operations: ['60-35=25'] Exploring Operation: 62-25=37, Resulting Numbers: [50, 37] Generated Node #0,3,0: 66:[50, 37] Operation: 62-25=37 Exploring Operation: 62-50=12, Resulting Numbers: [25, 12] Generated Node #0,3,1: 66:[25, 12] Operation: 62-50=12 Exploring Operation: 50+25=75, Resulting Numbers: [62, 75] Generated Node #0,3,2: 66:[62, 75] Operation: 50+25=75 Exploring Operation: 50-25=25, Resulting Numbers: [62, 25] Generated Node #0,3,3: 66:[62, 25] Operation: 50-25=25 Exploring Operation: 50/25=2, Resulting Numbers: [62, 2] Generated Node #0,3,4: 66:[62, 2] Operation: 50/25=2 Moving to Node #0,0,0 Current State: 66:[35, 5], Operations: ['62-50=12', '60/12=5'] Exploring Operation: 35-5=30, Resulting Numbers: [30] 30,66 unequal: No Solution Exploring Operation: 35/5=7, Resulting Numbers: [7] 7,66 unequal: No Solution Exploring Operation: 35*5=175, Resulting Numbers: [175] 175,66 unequal: No Solution Exploring Operation: 35+5=40, Resulting Numbers: [40] 40,66 unequal: No Solution Moving to Node #0,2,3 Current State: 66:[15, 2], Operations: ['50-35=15', '62-60=2'] Exploring Operation: 15+2=17, Resulting Numbers: [17] 17,66 unequal: No Solution Exploring Operation: 15*2=30, Resulting Numbers: [30] 30,66 unequal: No Solution Exploring Operation: 15-2=13, Resulting Numbers: [13] 13,66 unequal: No Solution Moving to Node #0,0,3 Current State: 66:[12, 25], Operations: ['62-50=12', '60-35=25'] Exploring Operation: 12*25=300, Resulting Numbers: [300] 300,66 unequal: No Solution Exploring Operation: 12+25=37, Resulting Numbers: [37] 37,66 unequal: No Solution Exploring Operation: 25-12=13, Resulting Numbers: [13] 13,66 unequal: No Solution Moving to Node #0,4,1 Current State: 66:[2, 15], Operations: ['62-60=2', '50-35=15'] Exploring Operation: 2*15=30, Resulting Numbers: [30] 30,66 unequal: No Solution Exploring Operation: 15-2=13, Resulting Numbers: [13] 13,66 unequal: No Solution Exploring Operation: 2+15=17, Resulting Numbers: [17] 17,66 unequal: No Solution Moving to Node #0,3,1 Current State: 66:[25, 12], Operations: ['60-35=25', '62-50=12'] Exploring Operation: 25*12=300, Resulting Numbers: [300] 300,66 unequal: No Solution Exploring Operation: 25+12=37, Resulting Numbers: [37] 37,66 unequal: No Solution Exploring Operation: 25-12=13, Resulting Numbers: [13] 13,66 unequal: No Solution Moving to Node #0,3,4 Current State: 66:[62, 2], Operations: ['60-35=25', '50/25=2'] Exploring Operation: 62*2=124, Resulting Numbers: [124] 124,66 unequal: No Solution Exploring Operation: 62+2=64, Resulting Numbers: [64] 64,66 unequal: No Solution Exploring Operation: 62/2=31, Resulting Numbers: [31] 31,66 unequal: No Solution Exploring Operation: 62-2=60, Resulting Numbers: [60] 60,66 unequal: No Solution Moving to Node #0,2,1 Current State: 66:[62, 4], Operations: ['50-35=15', '60/15=4'] Exploring Operation: 62*4=248, Resulting Numbers: [248] 248,66 unequal: No Solution Exploring Operation: 62+4=66, Resulting Numbers: [66] 66,66 equal: Goal Reached Moving to Node #0 Current State: 66:[60, 62, 50, 35], Operations: [] Exploring Operation: 50-35=15, Resulting Numbers: [60, 62, 15] Generated Node #0,2: 66:[60, 62, 15] Operation: 50-35=15 Moving to Node #0,2 Current State: 66:[60, 62, 15], Operations: ['50-35=15'] Exploring Operation: 60/15=4, Resulting Numbers: [62, 4] Generated Node #0,2,1: 66:[62, 4] Operation: 60/15=4 Moving to Node #0,2,1 Current State: 66:[62, 4], Operations: ['50-35=15', '60/15=4'] Exploring Operation: 62+4=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
0.938368
hs_5
mult_heuristic
[ 42, 3, 18, 16 ]
90
[ "42+3=45", "18-16=2", "45*2=90" ]
Current State: 90:[42, 3, 18, 16], Operations: [] Exploring Operation: 42+3=45, Resulting Numbers: [18, 16, 45] Generated Node #2: [18, 16, 45] from Operation: 42+3=45 Current State: 90:[18, 16, 45], Operations: ['42+3=45'] Exploring Operation: 18-16=2, Resulting Numbers: [45, 2] Generated Node #3: [45, 2] from Operation: 18-16=2 Current State: 90:[45, 2], Operations: ['42+3=45', '18-16=2'] Exploring Operation: 45*2=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
4
Current State: 90:[42, 3, 18, 16], Operations: [] Exploring Operation: 42-16=26, Resulting Numbers: [3, 18, 26] Generated Node #0,0: 90:[3, 18, 26] Operation: 42-16=26 Exploring Operation: 42+3=45, Resulting Numbers: [18, 16, 45] Generated Node #0,1: 90:[18, 16, 45] Operation: 42+3=45 Exploring Operation: 18-16=2, Resulting Numbers: [42, 3, 2] Generated Node #0,2: 90:[42, 3, 2] Operation: 18-16=2 Exploring Operation: 42/3=14, Resulting Numbers: [18, 16, 14] Generated Node #0,3: 90:[18, 16, 14] Operation: 42/3=14 Exploring Operation: 18-3=15, Resulting Numbers: [42, 16, 15] Generated Node #0,4: 90:[42, 16, 15] Operation: 18-3=15 Moving to Node #0,1 Current State: 90:[18, 16, 45], Operations: ['42+3=45'] Exploring Operation: 18+16=34, Resulting Numbers: [45, 34] Generated Node #0,1,0: 90:[45, 34] Operation: 18+16=34 Exploring Operation: 45-18=27, Resulting Numbers: [16, 27] Generated Node #0,1,1: 90:[16, 27] Operation: 45-18=27 Exploring Operation: 18-16=2, Resulting Numbers: [45, 2] Generated Node #0,1,2: 90:[45, 2] Operation: 18-16=2 Exploring Operation: 16+45=61, Resulting Numbers: [18, 61] Generated Node #0,1,3: 90:[18, 61] Operation: 16+45=61 Exploring Operation: 45-16=29, Resulting Numbers: [18, 29] Generated Node #0,1,4: 90:[18, 29] Operation: 45-16=29 Moving to Node #0,3 Current State: 90:[18, 16, 14], Operations: ['42/3=14'] Exploring Operation: 18+14=32, Resulting Numbers: [16, 32] Generated Node #0,3,0: 90:[16, 32] Operation: 18+14=32 Exploring Operation: 18-14=4, Resulting Numbers: [16, 4] Generated Node #0,3,1: 90:[16, 4] Operation: 18-14=4 Exploring Operation: 16+14=30, Resulting Numbers: [18, 30] Generated Node #0,3,2: 90:[18, 30] Operation: 16+14=30 Exploring Operation: 18-16=2, Resulting Numbers: [14, 2] Generated Node #0,3,3: 90:[14, 2] Operation: 18-16=2 Exploring Operation: 16-14=2, Resulting Numbers: [18, 2] Generated Node #0,3,4: 90:[18, 2] Operation: 16-14=2 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 90:[18, 30], Operations: ['42/3=14', '16+14=30'] Exploring Operation: 30-18=12, Resulting Numbers: [12] 12,90 unequal: No Solution Exploring Operation: 18+30=48, Resulting Numbers: [48] 48,90 unequal: No Solution Exploring Operation: 18*30=540, Resulting Numbers: [540] 540,90 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 #0,3,4 Current State: 90:[18, 2], Operations: ['42/3=14', '16-14=2'] Exploring Operation: 18/2=9, Resulting Numbers: [9] 9,90 unequal: No Solution Exploring Operation: 18-2=16, Resulting Numbers: [16] 16,90 unequal: No Solution Exploring Operation: 18*2=36, Resulting Numbers: [36] 36,90 unequal: No Solution Exploring Operation: 18+2=20, Resulting Numbers: [20] 20,90 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 #0,3,3 Current State: 90:[14, 2], Operations: ['42/3=14', '18-16=2'] Exploring Operation: 14-2=12, Resulting Numbers: [12] 12,90 unequal: No Solution Exploring Operation: 14/2=7, Resulting Numbers: [7] 7,90 unequal: No Solution Exploring Operation: 14*2=28, Resulting Numbers: [28] 28,90 unequal: No Solution Exploring Operation: 14+2=16, Resulting Numbers: [16] 16,90 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 #0,3,1 Current State: 90:[16, 4], Operations: ['42/3=14', '18-14=4'] Exploring Operation: 16*4=64, Resulting Numbers: [64] 64,90 unequal: No Solution Exploring Operation: 16+4=20, Resulting Numbers: [20] 20,90 unequal: No Solution Exploring Operation: 16-4=12, Resulting Numbers: [12] 12,90 unequal: No Solution Exploring Operation: 16/4=4, Resulting Numbers: [4] 4,90 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 #0,3,0 Current State: 90:[16, 32], Operations: ['42/3=14', '18+14=32'] Exploring Operation: 32-16=16, Resulting Numbers: [16] 16,90 unequal: No Solution Exploring Operation: 32/16=2, Resulting Numbers: [2] 2,90 unequal: No Solution Exploring Operation: 16+32=48, Resulting Numbers: [48] 48,90 unequal: No Solution Exploring Operation: 16*32=512, Resulting Numbers: [512] 512,90 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: 90:[42, 3, 2], Operations: ['18-16=2'] Exploring Operation: 42/2=21, Resulting Numbers: [3, 21] Generated Node #0,2,0: 90:[3, 21] Operation: 42/2=21 Exploring Operation: 42+3=45, Resulting Numbers: [2, 45] Generated Node #0,2,1: 90:[2, 45] Operation: 42+3=45 Exploring Operation: 3+2=5, Resulting Numbers: [42, 5] Generated Node #0,2,2: 90:[42, 5] Operation: 3+2=5 Exploring Operation: 42+2=44, Resulting Numbers: [3, 44] Generated Node #0,2,3: 90:[3, 44] Operation: 42+2=44 Exploring Operation: 42/3=14, Resulting Numbers: [2, 14] Generated Node #0,2,4: 90:[2, 14] Operation: 42/3=14 Moving to Node #0,0 Current State: 90:[3, 18, 26], Operations: ['42-16=26'] Exploring Operation: 18+26=44, Resulting Numbers: [3, 44] Generated Node #0,0,0: 90:[3, 44] Operation: 18+26=44 Exploring Operation: 3+26=29, Resulting Numbers: [18, 29] Generated Node #0,0,1: 90:[18, 29] Operation: 3+26=29 Exploring Operation: 18-3=15, Resulting Numbers: [26, 15] Generated Node #0,0,2: 90:[26, 15] Operation: 18-3=15 Exploring Operation: 26-18=8, Resulting Numbers: [3, 8] Generated Node #0,0,3: 90:[3, 8] Operation: 26-18=8 Exploring Operation: 18/3=6, Resulting Numbers: [26, 6] Generated Node #0,0,4: 90:[26, 6] Operation: 18/3=6 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 90:[3, 44], Operations: ['42-16=26', '18+26=44'] Exploring Operation: 44-3=41, Resulting Numbers: [41] 41,90 unequal: No Solution Exploring Operation: 3+44=47, Resulting Numbers: [47] 47,90 unequal: No Solution Exploring Operation: 3*44=132, Resulting Numbers: [132] 132,90 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 #0,0,1 Current State: 90:[18, 29], Operations: ['42-16=26', '3+26=29'] Exploring Operation: 29-18=11, Resulting Numbers: [11] 11,90 unequal: No Solution Exploring Operation: 18*29=522, Resulting Numbers: [522] 522,90 unequal: No Solution Exploring Operation: 18+29=47, Resulting Numbers: [47] 47,90 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 #0,0,3 Current State: 90:[3, 8], Operations: ['42-16=26', '26-18=8'] Exploring Operation: 3+8=11, Resulting Numbers: [11] 11,90 unequal: No Solution Exploring Operation: 8-3=5, Resulting Numbers: [5] 5,90 unequal: No Solution Exploring Operation: 3*8=24, Resulting Numbers: [24] 24,90 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 #0,0,2 Current State: 90:[26, 15], Operations: ['42-16=26', '18-3=15'] Exploring Operation: 26*15=390, Resulting Numbers: [390] 390,90 unequal: No Solution Exploring Operation: 26+15=41, Resulting Numbers: [41] 41,90 unequal: No Solution Exploring Operation: 26-15=11, Resulting Numbers: [11] 11,90 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 #0,0,4 Current State: 90:[26, 6], Operations: ['42-16=26', '18/3=6'] Exploring Operation: 26*6=156, Resulting Numbers: [156] 156,90 unequal: No Solution Exploring Operation: 26-6=20, Resulting Numbers: [20] 20,90 unequal: No Solution Exploring Operation: 26+6=32, Resulting Numbers: [32] 32,90 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: 90:[42, 16, 15], Operations: ['18-3=15'] Exploring Operation: 42-15=27, Resulting Numbers: [16, 27] Generated Node #0,4,0: 90:[16, 27] Operation: 42-15=27 Exploring Operation: 16-15=1, Resulting Numbers: [42, 1] Generated Node #0,4,1: 90:[42, 1] Operation: 16-15=1 Exploring Operation: 16+15=31, Resulting Numbers: [42, 31] Generated Node #0,4,2: 90:[42, 31] Operation: 16+15=31 Exploring Operation: 42+16=58, Resulting Numbers: [15, 58] Generated Node #0,4,3: 90:[15, 58] Operation: 42+16=58 Exploring Operation: 42-16=26, Resulting Numbers: [15, 26] Generated Node #0,4,4: 90:[15, 26] Operation: 42-16=26 Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 90:[16, 27], Operations: ['18-3=15', '42-15=27'] Exploring Operation: 27-16=11, Resulting Numbers: [11] 11,90 unequal: No Solution Exploring Operation: 16+27=43, Resulting Numbers: [43] 43,90 unequal: No Solution Exploring Operation: 16*27=432, Resulting Numbers: [432] 432,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 90:[42, 1], Operations: ['18-3=15', '16-15=1'] Exploring Operation: 42/1=42, Resulting Numbers: [42] 42,90 unequal: No Solution Exploring Operation: 42-1=41, Resulting Numbers: [41] 41,90 unequal: No Solution Exploring Operation: 42*1=42, Resulting Numbers: [42] 42,90 unequal: No Solution Exploring Operation: 42+1=43, Resulting Numbers: [43] 43,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 90:[42, 31], Operations: ['18-3=15', '16+15=31'] Exploring Operation: 42-31=11, Resulting Numbers: [11] 11,90 unequal: No Solution Exploring Operation: 42+31=73, Resulting Numbers: [73] 73,90 unequal: No Solution Exploring Operation: 42*31=1302, Resulting Numbers: [1302] 1302,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 90:[15, 26], Operations: ['18-3=15', '42-16=26'] Exploring Operation: 15+26=41, Resulting Numbers: [41] 41,90 unequal: No Solution Exploring Operation: 15*26=390, Resulting Numbers: [390] 390,90 unequal: No Solution Exploring Operation: 26-15=11, Resulting Numbers: [11] 11,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 90:[15, 58], Operations: ['18-3=15', '42+16=58'] Exploring Operation: 15*58=870, Resulting Numbers: [870] 870,90 unequal: No Solution Exploring Operation: 58-15=43, Resulting Numbers: [43] 43,90 unequal: No Solution Exploring Operation: 15+58=73, Resulting Numbers: [73] 73,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1,2 Current State: 90:[45, 2], Operations: ['42+3=45', '18-16=2'] Exploring Operation: 45-2=43, Resulting Numbers: [43] 43,90 unequal: No Solution Exploring Operation: 45*2=90, Resulting Numbers: [90] 90,90 equal: Goal Reached Moving to Node #0 Current State: 90:[42, 3, 18, 16], Operations: [] Exploring Operation: 42+3=45, Resulting Numbers: [18, 16, 45] Generated Node #0,1: 90:[18, 16, 45] Operation: 42+3=45 Moving to Node #0,1 Current State: 90:[18, 16, 45], Operations: ['42+3=45'] Exploring Operation: 18-16=2, Resulting Numbers: [45, 2] Generated Node #0,1,2: 90:[45, 2] Operation: 18-16=2 Moving to Node #0,1,2 Current State: 90:[45, 2], Operations: ['42+3=45', '18-16=2'] Exploring Operation: 45*2=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
0.925347
hs_5
sum_heuristic
[ 40, 24, 85, 41 ]
96
[ "85-40=45", "45-41=4", "24*4=96" ]
Current State: 96:[40, 24, 85, 41], Operations: [] Exploring Operation: 85-40=45, Resulting Numbers: [24, 41, 45] Generated Node #2: [24, 41, 45] from Operation: 85-40=45 Current State: 96:[24, 41, 45], Operations: ['85-40=45'] Exploring Operation: 45-41=4, Resulting Numbers: [24, 4] Generated Node #3: [24, 4] from Operation: 45-41=4 Current State: 96:[24, 4], Operations: ['85-40=45', '45-41=4'] Exploring Operation: 24*4=96, Resulting Numbers: [96] 96,96 equal: Goal Reached
4
Current State: 96:[40, 24, 85, 41], Operations: [] Exploring Operation: 85-41=44, Resulting Numbers: [40, 24, 44] Generated Node #0,0: 96:[40, 24, 44] Operation: 85-41=44 Exploring Operation: 85-40=45, Resulting Numbers: [24, 41, 45] Generated Node #0,1: 96:[24, 41, 45] Operation: 85-40=45 Exploring Operation: 40-24=16, Resulting Numbers: [85, 41, 16] Generated Node #0,2: 96:[85, 41, 16] Operation: 40-24=16 Exploring Operation: 41-40=1, Resulting Numbers: [24, 85, 1] Generated Node #0,3: 96:[24, 85, 1] Operation: 41-40=1 Start Sub Search at level 1: Moving to Node #0,1 Current State: 96:[24, 41, 45], Operations: ['85-40=45'] Exploring Operation: 41-24=17, Resulting Numbers: [45, 17] Generated Node #0,1,0: 96:[45, 17] Operation: 41-24=17 Exploring Operation: 41+45=86, Resulting Numbers: [24, 86] Generated Node #0,1,1: 96:[24, 86] Operation: 41+45=86 Exploring Operation: 45-24=21, Resulting Numbers: [41, 21] Generated Node #0,1,2: 96:[41, 21] Operation: 45-24=21 Exploring Operation: 45-41=4, Resulting Numbers: [24, 4] Generated Node #0,1,3: 96:[24, 4] Operation: 45-41=4 Moving to Node #0,1,3 Current State: 96:[24, 4], Operations: ['85-40=45', '45-41=4'] Exploring Operation: 24*4=96, Resulting Numbers: [96] 96,96 equal: Goal Reached Moving to Node #0 Current State: 96:[40, 24, 85, 41], Operations: [] Exploring Operation: 85-40=45, Resulting Numbers: [24, 41, 45] Generated Node #0,1: 96:[24, 41, 45] Operation: 85-40=45 Moving to Node #0,1 Current State: 96:[24, 41, 45], Operations: ['85-40=45'] Exploring Operation: 45-41=4, Resulting Numbers: [24, 4] Generated Node #0,1,3: 96:[24, 4] Operation: 45-41=4 Moving to Node #0,1,3 Current State: 96:[24, 4], Operations: ['85-40=45', '45-41=4'] Exploring Operation: 24*4=96, Resulting Numbers: [96] 96,96 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_4
mult_heuristic
[ 82, 44, 54, 3 ]
69
[ "82+44=126", "54+3=57", "126-57=69" ]
Current State: 69:[82, 44, 54, 3], Operations: [] Exploring Operation: 82+44=126, Resulting Numbers: [54, 3, 126] Generated Node #2: [54, 3, 126] from Operation: 82+44=126 Current State: 69:[54, 3, 126], Operations: ['82+44=126'] Exploring Operation: 54+3=57, Resulting Numbers: [126, 57] Generated Node #3: [126, 57] from Operation: 54+3=57 Current State: 69:[126, 57], Operations: ['82+44=126', '54+3=57'] Exploring Operation: 126-57=69, Resulting Numbers: [69] 69,69 equal: Goal Reached
4
Current State: 69:[82, 44, 54, 3], Operations: [] Exploring Operation: 54-44=10, Resulting Numbers: [82, 3, 10] Generated Node #0,0: 69:[82, 3, 10] Operation: 54-44=10 Exploring Operation: 82-54=28, Resulting Numbers: [44, 3, 28] Generated Node #0,1: 69:[44, 3, 28] Operation: 82-54=28 Exploring Operation: 82-44=38, Resulting Numbers: [54, 3, 38] Generated Node #0,2: 69:[54, 3, 38] Operation: 82-44=38 Moving to Node #0,0 Current State: 69:[82, 3, 10], Operations: ['54-44=10'] Exploring Operation: 10-3=7, Resulting Numbers: [82, 7] Generated Node #0,0,0: 69:[82, 7] Operation: 10-3=7 Exploring Operation: 82-3=79, Resulting Numbers: [10, 79] Generated Node #0,0,1: 69:[10, 79] Operation: 82-3=79 Exploring Operation: 82-10=72, Resulting Numbers: [3, 72] Generated Node #0,0,2: 69:[3, 72] Operation: 82-10=72 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 69:[3, 72], Operations: ['54-44=10', '82-10=72'] Exploring Operation: 72-3=69, Resulting Numbers: [69] 69,69 equal: Goal Reached Moving to Node #0 Current State: 69:[82, 44, 54, 3], Operations: [] Exploring Operation: 54-44=10, Resulting Numbers: [82, 3, 10] Generated Node #0,0: 69:[82, 3, 10] Operation: 54-44=10 Moving to Node #0,0 Current State: 69:[82, 3, 10], Operations: ['54-44=10'] Exploring Operation: 82-10=72, Resulting Numbers: [3, 72] Generated Node #0,0,2: 69:[3, 72] Operation: 82-10=72 Moving to Node #0,0,2 Current State: 69:[3, 72], Operations: ['54-44=10', '82-10=72'] Exploring Operation: 72-3=69, Resulting Numbers: [69] 69,69 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_3
sum_heuristic
[ 48, 43, 35, 13 ]
17
[ "48-43=5", "35-13=22", "22-5=17" ]
Current State: 17:[48, 43, 35, 13], Operations: [] Exploring Operation: 48-43=5, Resulting Numbers: [35, 13, 5] Generated Node #2: [35, 13, 5] from Operation: 48-43=5 Current State: 17:[35, 13, 5], Operations: ['48-43=5'] Exploring Operation: 35-13=22, Resulting Numbers: [5, 22] Generated Node #3: [5, 22] from Operation: 35-13=22 Current State: 17:[5, 22], Operations: ['48-43=5', '35-13=22'] Exploring Operation: 22-5=17, Resulting Numbers: [17] 17,17 equal: Goal Reached
4
Current State: 17:[48, 43, 35, 13], Operations: [] Exploring Operation: 48-35=13, Resulting Numbers: [43, 13, 13] Generated Node #0,0: 17:[43, 13, 13] Operation: 48-35=13 Exploring Operation: 48-43=5, Resulting Numbers: [35, 13, 5] Generated Node #0,1: 17:[35, 13, 5] Operation: 48-43=5 Exploring Operation: 43-35=8, Resulting Numbers: [48, 13, 8] Generated Node #0,2: 17:[48, 13, 8] Operation: 43-35=8 Moving to Node #0,0 Current State: 17:[43, 13, 13], Operations: ['48-35=13'] Exploring Operation: 43-13=30, Resulting Numbers: [13, 30] Generated Node #0,0,0: 17:[13, 30] Operation: 43-13=30 Exploring Operation: 13+13=26, Resulting Numbers: [43, 26] Generated Node #0,0,1: 17:[43, 26] Operation: 13+13=26 Exploring Operation: 43-13=30, Resulting Numbers: [13, 30] Generated Node #0,0,2: 17:[13, 30] Operation: 43-13=30 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 17:[13, 30], Operations: ['48-35=13', '43-13=30'] Exploring Operation: 13*30=390, Resulting Numbers: [390] 390,17 unequal: No Solution Exploring Operation: 13+30=43, Resulting Numbers: [43] 43,17 unequal: No Solution Exploring Operation: 30-13=17, Resulting Numbers: [17] 17,17 equal: Goal Reached Moving to Node #0 Current State: 17:[48, 43, 35, 13], Operations: [] Exploring Operation: 48-35=13, Resulting Numbers: [43, 13, 13] Generated Node #0,0: 17:[43, 13, 13] Operation: 48-35=13 Moving to Node #0,0 Current State: 17:[43, 13, 13], Operations: ['48-35=13'] Exploring Operation: 43-13=30, Resulting Numbers: [13, 30] Generated Node #0,0,0: 17:[13, 30] Operation: 43-13=30 Moving to Node #0,0,0 Current State: 17:[13, 30], Operations: ['48-35=13', '43-13=30'] Exploring Operation: 30-13=17, Resulting Numbers: [17] 17,17 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_3
sum_heuristic
[ 75, 29, 90, 45 ]
23
[ "75-29=46", "90/45=2", "46/2=23" ]
Current State: 23:[75, 29, 90, 45], Operations: [] Exploring Operation: 75-29=46, Resulting Numbers: [90, 45, 46] Generated Node #2: [90, 45, 46] from Operation: 75-29=46 Current State: 23:[90, 45, 46], Operations: ['75-29=46'] Exploring Operation: 90/45=2, Resulting Numbers: [46, 2] Generated Node #3: [46, 2] from Operation: 90/45=2 Current State: 23:[46, 2], Operations: ['75-29=46', '90/45=2'] Exploring Operation: 46/2=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
4
Current State: 23:[75, 29, 90, 45], Operations: [] Exploring Operation: 90-75=15, Resulting Numbers: [29, 45, 15] Generated Node #0,0: 23:[29, 45, 15] Operation: 90-75=15 Start Sub Search at level 1: Moving to Node #0,0 Current State: 23:[29, 45, 15], Operations: ['90-75=15'] Exploring Operation: 45-15=30, Resulting Numbers: [29, 30] Generated Node #0,0,0: 23:[29, 30] Operation: 45-15=30 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 23:[29, 30], Operations: ['90-75=15', '45-15=30'] Exploring Operation: 30-29=1, Resulting Numbers: [1] 1,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 25, 43, 68, 41 ]
41
[ "25+43=68", "68+41=109", "109-68=41" ]
Current State: 41:[25, 43, 68, 41], Operations: [] Exploring Operation: 25+43=68, Resulting Numbers: [68, 41, 68] Generated Node #2: [68, 41, 68] from Operation: 25+43=68 Current State: 41:[68, 41, 68], Operations: ['25+43=68'] Exploring Operation: 68+41=109, Resulting Numbers: [109] 109,41 equal: Goal Reached Exploring Operation: 109-68=41, Resulting Numbers: [41] 41,41 equal: Goal Reached
4
Current State: 41:[25, 43, 68, 41], Operations: [] Exploring Operation: 68-43=25, Resulting Numbers: [25, 41, 25] Generated Node #0,0: 41:[25, 41, 25] Operation: 68-43=25 Exploring Operation: 68-41=27, Resulting Numbers: [25, 43, 27] Generated Node #0,1: 41:[25, 43, 27] Operation: 68-41=27 Exploring Operation: 68-25=43, Resulting Numbers: [43, 41, 43] Generated Node #0,2: 41:[43, 41, 43] Operation: 68-25=43 Moving to Node #0,2 Current State: 41:[43, 41, 43], Operations: ['68-25=43'] Exploring Operation: 43-43=0, Resulting Numbers: [41, 0] Generated Node #0,2,0: 41:[41, 0] Operation: 43-43=0 Exploring Operation: 43-41=2, Resulting Numbers: [43, 2] Generated Node #0,2,1: 41:[43, 2] Operation: 43-41=2 Exploring Operation: 43/43=1, Resulting Numbers: [41, 1] Generated Node #0,2,2: 41:[41, 1] Operation: 43/43=1 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 41:[41, 1], Operations: ['68-25=43', '43/43=1'] Exploring Operation: 41+1=42, Resulting Numbers: [42] 42,41 unequal: No Solution Exploring Operation: 41/1=41, Resulting Numbers: [41] 41,41 equal: Goal Reached Moving to Node #0 Current State: 41:[25, 43, 68, 41], Operations: [] Exploring Operation: 68-25=43, Resulting Numbers: [43, 41, 43] Generated Node #0,2: 41:[43, 41, 43] Operation: 68-25=43 Moving to Node #0,2 Current State: 41:[43, 41, 43], Operations: ['68-25=43'] Exploring Operation: 43/43=1, Resulting Numbers: [41, 1] Generated Node #0,2,2: 41:[41, 1] Operation: 43/43=1 Moving to Node #0,2,2 Current State: 41:[41, 1], Operations: ['68-25=43', '43/43=1'] Exploring Operation: 41/1=41, Resulting Numbers: [41] 41,41 equal: Goal Reached Exit Sub Search at level 1
0.989583
hs_3
mult_heuristic
[ 88, 96, 58, 90 ]
36
[ "88+96=184", "58+90=148", "184-148=36" ]
Current State: 36:[88, 96, 58, 90], Operations: [] Exploring Operation: 88+96=184, Resulting Numbers: [58, 90, 184] Generated Node #2: [58, 90, 184] from Operation: 88+96=184 Current State: 36:[58, 90, 184], Operations: ['88+96=184'] Exploring Operation: 58+90=148, Resulting Numbers: [184, 148] Generated Node #3: [184, 148] from Operation: 58+90=148 Current State: 36:[184, 148], Operations: ['88+96=184', '58+90=148'] Exploring Operation: 184-148=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
4
Current State: 36:[88, 96, 58, 90], Operations: [] Exploring Operation: 96-90=6, Resulting Numbers: [88, 58, 6] Generated Node #0,0: 36:[88, 58, 6] Operation: 96-90=6 Exploring Operation: 96-88=8, Resulting Numbers: [58, 90, 8] Generated Node #0,1: 36:[58, 90, 8] Operation: 96-88=8 Start Sub Search at level 1: Moving to Node #0,0 Current State: 36:[88, 58, 6], Operations: ['96-90=6'] Exploring Operation: 88-58=30, Resulting Numbers: [6, 30] Generated Node #0,0,0: 36:[6, 30] Operation: 88-58=30 Exploring Operation: 88-6=82, Resulting Numbers: [58, 82] Generated Node #0,0,1: 36:[58, 82] Operation: 88-6=82 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 36:[6, 30], Operations: ['96-90=6', '88-58=30'] Exploring Operation: 30/6=5, Resulting Numbers: [5] 5,36 unequal: No Solution Exploring Operation: 6+30=36, Resulting Numbers: [36] 36,36 equal: Goal Reached Moving to Node #0 Current State: 36:[88, 96, 58, 90], Operations: [] Exploring Operation: 96-90=6, Resulting Numbers: [88, 58, 6] Generated Node #0,0: 36:[88, 58, 6] Operation: 96-90=6 Moving to Node #0,0 Current State: 36:[88, 58, 6], Operations: ['96-90=6'] Exploring Operation: 88-58=30, Resulting Numbers: [6, 30] Generated Node #0,0,0: 36:[6, 30] Operation: 88-58=30 Moving to Node #0,0,0 Current State: 36:[6, 30], Operations: ['96-90=6', '88-58=30'] Exploring Operation: 6+30=36, Resulting Numbers: [36] 36,36 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.991319
hs_2
mult_heuristic
[ 29, 5, 5, 18 ]
46
[ "29+18=47", "5/5=1", "47-1=46" ]
Current State: 46:[29, 5, 5, 18], Operations: [] Exploring Operation: 29+18=47, Resulting Numbers: [5, 5, 47] Generated Node #2: [5, 5, 47] from Operation: 29+18=47 Current State: 46:[5, 5, 47], Operations: ['29+18=47'] Exploring Operation: 5/5=1, Resulting Numbers: [47, 1] Generated Node #3: [47, 1] from Operation: 5/5=1 Current State: 46:[47, 1], Operations: ['29+18=47', '5/5=1'] Exploring Operation: 47-1=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
4
Current State: 46:[29, 5, 5, 18], Operations: [] Exploring Operation: 5+18=23, Resulting Numbers: [29, 5, 23] Generated Node #0,0: 46:[29, 5, 23] Operation: 5+18=23 Exploring Operation: 29+18=47, Resulting Numbers: [5, 5, 47] Generated Node #0,1: 46:[5, 5, 47] Operation: 29+18=47 Exploring Operation: 29-5=24, Resulting Numbers: [5, 18, 24] Generated Node #0,2: 46:[5, 18, 24] Operation: 29-5=24 Exploring Operation: 29-5=24, Resulting Numbers: [5, 18, 24] Generated Node #0,3: 46:[5, 18, 24] Operation: 29-5=24 Start Sub Search at level 1: Moving to Node #0,1 Current State: 46:[5, 5, 47], Operations: ['29+18=47'] Exploring Operation: 47-5=42, Resulting Numbers: [5, 42] Generated Node #0,1,0: 46:[5, 42] Operation: 47-5=42 Exploring Operation: 5/5=1, Resulting Numbers: [47, 1] Generated Node #0,1,1: 46:[47, 1] Operation: 5/5=1 Exploring Operation: 5*5=25, Resulting Numbers: [47, 25] Generated Node #0,1,2: 46:[47, 25] Operation: 5*5=25 Exploring Operation: 5-5=0, Resulting Numbers: [47, 0] Generated Node #0,1,3: 46:[47, 0] Operation: 5-5=0 Moving to Node #0,1,1 Current State: 46:[47, 1], Operations: ['29+18=47', '5/5=1'] Exploring Operation: 47*1=47, Resulting Numbers: [47] 47,46 unequal: No Solution Exploring Operation: 47/1=47, Resulting Numbers: [47] 47,46 unequal: No Solution Exploring Operation: 47+1=48, Resulting Numbers: [48] 48,46 unequal: No Solution Exploring Operation: 47-1=46, Resulting Numbers: [46] 46,46 equal: Goal Reached Moving to Node #0 Current State: 46:[29, 5, 5, 18], Operations: [] Exploring Operation: 29+18=47, Resulting Numbers: [5, 5, 47] Generated Node #0,1: 46:[5, 5, 47] Operation: 29+18=47 Moving to Node #0,1 Current State: 46:[5, 5, 47], Operations: ['29+18=47'] Exploring Operation: 5/5=1, Resulting Numbers: [47, 1] Generated Node #0,1,1: 46:[47, 1] Operation: 5/5=1 Moving to Node #0,1,1 Current State: 46:[47, 1], Operations: ['29+18=47', '5/5=1'] Exploring Operation: 47-1=46, Resulting Numbers: [46] 46,46 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_4
sum_heuristic
[ 55, 20, 26, 49 ]
24
[ "55+49=104", "104/26=4", "20+4=24" ]
Current State: 24:[55, 20, 26, 49], Operations: [] Exploring Operation: 55+49=104, Resulting Numbers: [20, 26, 104] Generated Node #2: [20, 26, 104] from Operation: 55+49=104 Current State: 24:[20, 26, 104], Operations: ['55+49=104'] Exploring Operation: 104/26=4, Resulting Numbers: [20, 4] Generated Node #3: [20, 4] from Operation: 104/26=4 Current State: 24:[20, 4], Operations: ['55+49=104', '104/26=4'] Exploring Operation: 20+4=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
4
Current State: 24:[55, 20, 26, 49], Operations: [] Exploring Operation: 55-20=35, Resulting Numbers: [26, 49, 35] Generated Node #0,0: 24:[26, 49, 35] Operation: 55-20=35 Exploring Operation: 55-26=29, Resulting Numbers: [20, 49, 29] Generated Node #0,1: 24:[20, 49, 29] Operation: 55-26=29 Exploring Operation: 49-26=23, Resulting Numbers: [55, 20, 23] Generated Node #0,2: 24:[55, 20, 23] Operation: 49-26=23 Exploring Operation: 55-49=6, Resulting Numbers: [20, 26, 6] Generated Node #0,3: 24:[20, 26, 6] Operation: 55-49=6 Moving to Node #0,3 Current State: 24:[20, 26, 6], Operations: ['55-49=6'] Exploring Operation: 20-6=14, Resulting Numbers: [26, 14] Generated Node #0,3,0: 24:[26, 14] Operation: 20-6=14 Exploring Operation: 26-20=6, Resulting Numbers: [6, 6] Generated Node #0,3,1: 24:[6, 6] Operation: 26-20=6 Exploring Operation: 26-6=20, Resulting Numbers: [20, 20] Generated Node #0,3,2: 24:[20, 20] Operation: 26-6=20 Exploring Operation: 20+6=26, Resulting Numbers: [26, 26] Generated Node #0,3,3: 24:[26, 26] Operation: 20+6=26 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 24:[6, 6], Operations: ['55-49=6', '26-20=6'] Exploring Operation: 6-6=0, Resulting Numbers: [0] 0,24 unequal: No Solution Exploring Operation: 6*6=36, Resulting Numbers: [36] 36,24 unequal: No Solution Exploring Operation: 6+6=12, Resulting Numbers: [12] 12,24 unequal: No Solution Exploring Operation: 6/6=1, Resulting Numbers: [1] 1,24 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 24:[26, 14], Operations: ['55-49=6', '20-6=14'] Exploring Operation: 26+14=40, Resulting Numbers: [40] 40,24 unequal: No Solution Exploring Operation: 26*14=364, Resulting Numbers: [364] 364,24 unequal: No Solution Exploring Operation: 26-14=12, Resulting Numbers: [12] 12,24 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 24:[26, 26], Operations: ['55-49=6', '20+6=26'] Exploring Operation: 26/26=1, Resulting Numbers: [1] 1,24 unequal: No Solution Exploring Operation: 26*26=676, Resulting Numbers: [676] 676,24 unequal: No Solution Exploring Operation: 26+26=52, Resulting Numbers: [52] 52,24 unequal: No Solution Exploring Operation: 26-26=0, Resulting Numbers: [0] 0,24 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 24:[20, 20], Operations: ['55-49=6', '26-6=20'] Exploring Operation: 20-20=0, Resulting Numbers: [0] 0,24 unequal: No Solution Exploring Operation: 20*20=400, Resulting Numbers: [400] 400,24 unequal: No Solution Exploring Operation: 20+20=40, Resulting Numbers: [40] 40,24 unequal: No Solution Exploring Operation: 20/20=1, Resulting Numbers: [1] 1,24 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: 24:[20, 49, 29], Operations: ['55-26=29'] Exploring Operation: 20+49=69, Resulting Numbers: [29, 69] Generated Node #0,1,0: 24:[29, 69] Operation: 20+49=69 Exploring Operation: 49-29=20, Resulting Numbers: [20, 20] Generated Node #0,1,1: 24:[20, 20] Operation: 49-29=20 Exploring Operation: 29-20=9, Resulting Numbers: [49, 9] Generated Node #0,1,2: 24:[49, 9] Operation: 29-20=9 Exploring Operation: 49-20=29, Resulting Numbers: [29, 29] Generated Node #0,1,3: 24:[29, 29] Operation: 49-20=29 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 24:[20, 20], Operations: ['55-26=29', '49-29=20'] Exploring Operation: 20*20=400, Resulting Numbers: [400] 400,24 unequal: No Solution Exploring Operation: 20+20=40, Resulting Numbers: [40] 40,24 unequal: No Solution Exploring Operation: 20-20=0, Resulting Numbers: [0] 0,24 unequal: No Solution Exploring Operation: 20/20=1, Resulting Numbers: [1] 1,24 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 24:[29, 29], Operations: ['55-26=29', '49-20=29'] Exploring Operation: 29+29=58, Resulting Numbers: [58] 58,24 unequal: No Solution Exploring Operation: 29*29=841, Resulting Numbers: [841] 841,24 unequal: No Solution Exploring Operation: 29/29=1, Resulting Numbers: [1] 1,24 unequal: No Solution Exploring Operation: 29-29=0, Resulting Numbers: [0] 0,24 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 24:[49, 9], Operations: ['55-26=29', '29-20=9'] Exploring Operation: 49+9=58, Resulting Numbers: [58] 58,24 unequal: No Solution Exploring Operation: 49-9=40, Resulting Numbers: [40] 40,24 unequal: No Solution Exploring Operation: 49*9=441, Resulting Numbers: [441] 441,24 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 24:[29, 69], Operations: ['55-26=29', '20+49=69'] Exploring Operation: 29*69=2001, Resulting Numbers: [2001] 2001,24 unequal: No Solution Exploring Operation: 69-29=40, Resulting Numbers: [40] 40,24 unequal: No Solution Exploring Operation: 29+69=98, Resulting Numbers: [98] 98,24 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: 24:[55, 20, 23], Operations: ['49-26=23'] Exploring Operation: 55-20=35, Resulting Numbers: [23, 35] Generated Node #0,2,0: 24:[23, 35] Operation: 55-20=35 Exploring Operation: 55-23=32, Resulting Numbers: [20, 32] Generated Node #0,2,1: 24:[20, 32] Operation: 55-23=32 Exploring Operation: 23-20=3, Resulting Numbers: [55, 3] Generated Node #0,2,2: 24:[55, 3] Operation: 23-20=3 Exploring Operation: 20+23=43, Resulting Numbers: [55, 43] Generated Node #0,2,3: 24:[55, 43] Operation: 20+23=43 Moving to Node #0,0 Current State: 24:[26, 49, 35], Operations: ['55-20=35'] Exploring Operation: 35-26=9, Resulting Numbers: [49, 9] Generated Node #0,0,0: 24:[49, 9] Operation: 35-26=9 Exploring Operation: 26+49=75, Resulting Numbers: [35, 75] Generated Node #0,0,1: 24:[35, 75] Operation: 26+49=75 Exploring Operation: 49-26=23, Resulting Numbers: [35, 23] Generated Node #0,0,2: 24:[35, 23] Operation: 49-26=23 Exploring Operation: 49-35=14, Resulting Numbers: [26, 14] Generated Node #0,0,3: 24:[26, 14] Operation: 49-35=14 Moving to Node #0,0,3 Current State: 24:[26, 14], Operations: ['55-20=35', '49-35=14'] Exploring Operation: 26*14=364, Resulting Numbers: [364] 364,24 unequal: No Solution Exploring Operation: 26+14=40, Resulting Numbers: [40] 40,24 unequal: No Solution Exploring Operation: 26-14=12, Resulting Numbers: [12] 12,24 unequal: No Solution Moving to Node #0,0,2 Current State: 24:[35, 23], Operations: ['55-20=35', '49-26=23'] Exploring Operation: 35-23=12, Resulting Numbers: [12] 12,24 unequal: No Solution Exploring Operation: 35*23=805, Resulting Numbers: [805] 805,24 unequal: No Solution Exploring Operation: 35+23=58, Resulting Numbers: [58] 58,24 unequal: No Solution Moving to Node #0,2,0 Current State: 24:[23, 35], Operations: ['49-26=23', '55-20=35'] Exploring Operation: 23*35=805, Resulting Numbers: [805] 805,24 unequal: No Solution Exploring Operation: 35-23=12, Resulting Numbers: [12] 12,24 unequal: No Solution Exploring Operation: 23+35=58, Resulting Numbers: [58] 58,24 unequal: No Solution Moving to Node #0,2,1 Current State: 24:[20, 32], Operations: ['49-26=23', '55-23=32'] Exploring Operation: 20*32=640, Resulting Numbers: [640] 640,24 unequal: No Solution Exploring Operation: 20+32=52, Resulting Numbers: [52] 52,24 unequal: No Solution Exploring Operation: 32-20=12, Resulting Numbers: [12] 12,24 unequal: No Solution Moving to Node #0,0,0 Current State: 24:[49, 9], Operations: ['55-20=35', '35-26=9'] Exploring Operation: 49*9=441, Resulting Numbers: [441] 441,24 unequal: No Solution Exploring Operation: 49-9=40, Resulting Numbers: [40] 40,24 unequal: No Solution Exploring Operation: 49+9=58, Resulting Numbers: [58] 58,24 unequal: No Solution Moving to Node #0,2,2 Current State: 24:[55, 3], Operations: ['49-26=23', '23-20=3'] Exploring Operation: 55+3=58, Resulting Numbers: [58] 58,24 unequal: No Solution Exploring Operation: 55-3=52, Resulting Numbers: [52] 52,24 unequal: No Solution Exploring Operation: 55*3=165, Resulting Numbers: [165] 165,24 unequal: No Solution Moving to Node #0,2,3 Current State: 24:[55, 43], Operations: ['49-26=23', '20+23=43'] Exploring Operation: 55+43=98, Resulting Numbers: [98] 98,24 unequal: No Solution Exploring Operation: 55-43=12, Resulting Numbers: [12] 12,24 unequal: No Solution Exploring Operation: 55*43=2365, Resulting Numbers: [2365] 2365,24 unequal: No Solution Moving to Node #0,0,1 Current State: 24:[35, 75], Operations: ['55-20=35', '26+49=75'] Exploring Operation: 35+75=110, Resulting Numbers: [110] 110,24 unequal: No Solution Exploring Operation: 75-35=40, Resulting Numbers: [40] 40,24 unequal: No Solution Exploring Operation: 35*75=2625, Resulting Numbers: [2625] 2625,24 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 50, 77, 70, 82 ]
36
[ "82-77=5", "70/5=14", "50-14=36" ]
Current State: 36:[50, 77, 70, 82], Operations: [] Exploring Operation: 82-77=5, Resulting Numbers: [50, 70, 5] Generated Node #2: [50, 70, 5] from Operation: 82-77=5 Current State: 36:[50, 70, 5], Operations: ['82-77=5'] Exploring Operation: 70/5=14, Resulting Numbers: [50, 14] Generated Node #3: [50, 14] from Operation: 70/5=14 Current State: 36:[50, 14], Operations: ['82-77=5', '70/5=14'] Exploring Operation: 50-14=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
4
Current State: 36:[50, 77, 70, 82], Operations: [] Exploring Operation: 82-77=5, Resulting Numbers: [50, 70, 5] Generated Node #0,0: 36:[50, 70, 5] Operation: 82-77=5 Moving to Node #0,0 Current State: 36:[50, 70, 5], Operations: ['82-77=5'] Exploring Operation: 70-50=20, Resulting Numbers: [5, 20] Generated Node #0,0,0: 36:[5, 20] Operation: 70-50=20 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 36:[5, 20], Operations: ['82-77=5', '70-50=20'] Exploring Operation: 20/5=4, Resulting Numbers: [4] 4,36 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, 32, 54, 26 ]
55
[ "32-7=25", "54+26=80", "80-25=55" ]
Current State: 55:[7, 32, 54, 26], Operations: [] Exploring Operation: 32-7=25, Resulting Numbers: [54, 26, 25] Generated Node #2: [54, 26, 25] from Operation: 32-7=25 Current State: 55:[54, 26, 25], Operations: ['32-7=25'] Exploring Operation: 54+26=80, Resulting Numbers: [25, 80] Generated Node #3: [25, 80] from Operation: 54+26=80 Current State: 55:[25, 80], Operations: ['32-7=25', '54+26=80'] Exploring Operation: 80-25=55, Resulting Numbers: [55] 55,55 equal: Goal Reached
4
Current State: 55:[7, 32, 54, 26], Operations: [] Exploring Operation: 54-32=22, Resulting Numbers: [7, 26, 22] Generated Node #0,0: 55:[7, 26, 22] Operation: 54-32=22 Exploring Operation: 32-26=6, Resulting Numbers: [7, 54, 6] Generated Node #0,1: 55:[7, 54, 6] Operation: 32-26=6 Exploring Operation: 32+26=58, Resulting Numbers: [7, 54, 58] Generated Node #0,2: 55:[7, 54, 58] Operation: 32+26=58 Start Sub Search at level 1: Moving to Node #0,1 Current State: 55:[7, 54, 6], Operations: ['32-26=6'] Exploring Operation: 54/6=9, Resulting Numbers: [7, 9] Generated Node #0,1,0: 55:[7, 9] Operation: 54/6=9 Exploring Operation: 7-6=1, Resulting Numbers: [54, 1] Generated Node #0,1,1: 55:[54, 1] Operation: 7-6=1 Exploring Operation: 7+6=13, Resulting Numbers: [54, 13] Generated Node #0,1,2: 55:[54, 13] Operation: 7+6=13 Moving to Node #0,1,2 Current State: 55:[54, 13], Operations: ['32-26=6', '7+6=13'] Exploring Operation: 54-13=41, Resulting Numbers: [41] 41,55 unequal: No Solution Exploring Operation: 54+13=67, Resulting Numbers: [67] 67,55 unequal: No Solution Exploring Operation: 54*13=702, Resulting Numbers: [702] 702,55 unequal: No Solution Moving to Node #0,1,0 Current State: 55:[7, 9], Operations: ['32-26=6', '54/6=9'] Exploring Operation: 7+9=16, Resulting Numbers: [16] 16,55 unequal: No Solution Exploring Operation: 9-7=2, Resulting Numbers: [2] 2,55 unequal: No Solution Exploring Operation: 7*9=63, Resulting Numbers: [63] 63,55 unequal: No Solution Moving to Node #0,1,1 Current State: 55:[54, 1], Operations: ['32-26=6', '7-6=1'] Exploring Operation: 54+1=55, Resulting Numbers: [55] 55,55 equal: Goal Reached Moving to Node #0 Current State: 55:[7, 32, 54, 26], Operations: [] Exploring Operation: 32-26=6, Resulting Numbers: [7, 54, 6] Generated Node #0,1: 55:[7, 54, 6] Operation: 32-26=6 Moving to Node #0,1 Current State: 55:[7, 54, 6], Operations: ['32-26=6'] Exploring Operation: 7-6=1, Resulting Numbers: [54, 1] Generated Node #0,1,1: 55:[54, 1] Operation: 7-6=1 Moving to Node #0,1,1 Current State: 55:[54, 1], Operations: ['32-26=6', '7-6=1'] Exploring Operation: 54+1=55, Resulting Numbers: [55] 55,55 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_3
sum_heuristic
[ 2, 66, 6, 26 ]
80
[ "2*6=12", "66+26=92", "92-12=80" ]
Current State: 80:[2, 66, 6, 26], Operations: [] Exploring Operation: 2*6=12, Resulting Numbers: [66, 26, 12] Generated Node #2: [66, 26, 12] from Operation: 2*6=12 Current State: 80:[66, 26, 12], Operations: ['2*6=12'] Exploring Operation: 66+26=92, Resulting Numbers: [12, 92] Generated Node #3: [12, 92] from Operation: 66+26=92 Current State: 80:[12, 92], Operations: ['2*6=12', '66+26=92'] Exploring Operation: 92-12=80, Resulting Numbers: [80] 80,80 equal: Goal Reached
4
Current State: 80:[2, 66, 6, 26], Operations: [] Exploring Operation: 66-26=40, Resulting Numbers: [2, 6, 40] Generated Node #0,0: 80:[2, 6, 40] Operation: 66-26=40 Exploring Operation: 66+26=92, Resulting Numbers: [2, 6, 92] Generated Node #0,1: 80:[2, 6, 92] Operation: 66+26=92 Exploring Operation: 66/6=11, Resulting Numbers: [2, 26, 11] Generated Node #0,2: 80:[2, 26, 11] Operation: 66/6=11 Start Sub Search at level 1: Moving to Node #0,0 Current State: 80:[2, 6, 40], Operations: ['66-26=40'] Exploring Operation: 6-2=4, Resulting Numbers: [40, 4] Generated Node #0,0,0: 80:[40, 4] Operation: 6-2=4 Exploring Operation: 2+6=8, Resulting Numbers: [40, 8] Generated Node #0,0,1: 80:[40, 8] Operation: 2+6=8 Exploring Operation: 6/2=3, Resulting Numbers: [40, 3] Generated Node #0,0,2: 80:[40, 3] Operation: 6/2=3 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 80:[40, 4], Operations: ['66-26=40', '6-2=4'] Exploring Operation: 40-4=36, Resulting Numbers: [36] 36,80 unequal: No Solution Exploring Operation: 40/4=10, Resulting Numbers: [10] 10,80 unequal: No Solution Exploring Operation: 40+4=44, Resulting Numbers: [44] 44,80 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 80:[40, 8], Operations: ['66-26=40', '2+6=8'] Exploring Operation: 40+8=48, Resulting Numbers: [48] 48,80 unequal: No Solution Exploring Operation: 40/8=5, Resulting Numbers: [5] 5,80 unequal: No Solution Exploring Operation: 40-8=32, Resulting Numbers: [32] 32,80 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 80:[40, 3], Operations: ['66-26=40', '6/2=3'] Exploring Operation: 40+3=43, Resulting Numbers: [43] 43,80 unequal: No Solution Exploring Operation: 40*3=120, Resulting Numbers: [120] 120,80 unequal: No Solution Exploring Operation: 40-3=37, Resulting Numbers: [37] 37,80 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 80:[2, 26, 11], Operations: ['66/6=11'] Exploring Operation: 26+11=37, Resulting Numbers: [2, 37] Generated Node #0,2,0: 80:[2, 37] Operation: 26+11=37 Exploring Operation: 26-11=15, Resulting Numbers: [2, 15] Generated Node #0,2,1: 80:[2, 15] Operation: 26-11=15 Exploring Operation: 26/2=13, Resulting Numbers: [11, 13] Generated Node #0,2,2: 80:[11, 13] Operation: 26/2=13 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 80:[2, 15], Operations: ['66/6=11', '26-11=15'] Exploring Operation: 2*15=30, Resulting Numbers: [30] 30,80 unequal: No Solution Exploring Operation: 15-2=13, Resulting Numbers: [13] 13,80 unequal: No Solution Exploring Operation: 2+15=17, Resulting Numbers: [17] 17,80 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 80:[2, 37], Operations: ['66/6=11', '26+11=37'] Exploring Operation: 2*37=74, Resulting Numbers: [74] 74,80 unequal: No Solution Exploring Operation: 37-2=35, Resulting Numbers: [35] 35,80 unequal: No Solution Exploring Operation: 2+37=39, Resulting Numbers: [39] 39,80 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 80:[11, 13], Operations: ['66/6=11', '26/2=13'] Exploring Operation: 13-11=2, Resulting Numbers: [2] 2,80 unequal: No Solution Exploring Operation: 11*13=143, Resulting Numbers: [143] 143,80 unequal: No Solution Exploring Operation: 11+13=24, Resulting Numbers: [24] 24,80 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 80:[2, 6, 92], Operations: ['66+26=92'] Exploring Operation: 92-6=86, Resulting Numbers: [2, 86] Generated Node #0,1,0: 80:[2, 86] Operation: 92-6=86 Exploring Operation: 92-2=90, Resulting Numbers: [6, 90] Generated Node #0,1,1: 80:[6, 90] Operation: 92-2=90 Exploring Operation: 92/2=46, Resulting Numbers: [6, 46] Generated Node #0,1,2: 80:[6, 46] Operation: 92/2=46 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 80:[2, 86], Operations: ['66+26=92', '92-6=86'] Exploring Operation: 2+86=88, Resulting Numbers: [88] 88,80 unequal: No Solution Exploring Operation: 86/2=43, Resulting Numbers: [43] 43,80 unequal: No Solution Exploring Operation: 86-2=84, Resulting Numbers: [84] 84,80 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 80:[6, 46], Operations: ['66+26=92', '92/2=46'] Exploring Operation: 6+46=52, Resulting Numbers: [52] 52,80 unequal: No Solution Exploring Operation: 6*46=276, Resulting Numbers: [276] 276,80 unequal: No Solution Exploring Operation: 46-6=40, Resulting Numbers: [40] 40,80 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 80:[6, 90], Operations: ['66+26=92', '92-2=90'] Exploring Operation: 90/6=15, Resulting Numbers: [15] 15,80 unequal: No Solution Exploring Operation: 6+90=96, Resulting Numbers: [96] 96,80 unequal: No Solution Exploring Operation: 90-6=84, Resulting Numbers: [84] 84,80 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_3
sum_heuristic
[ 48, 41, 81, 12 ]
76
[ "48-41=7", "81-12=69", "7+69=76" ]
Current State: 76:[48, 41, 81, 12], Operations: [] Exploring Operation: 48-41=7, Resulting Numbers: [81, 12, 7] Generated Node #2: [81, 12, 7] from Operation: 48-41=7 Current State: 76:[81, 12, 7], Operations: ['48-41=7'] Exploring Operation: 81-12=69, Resulting Numbers: [7, 69] Generated Node #3: [7, 69] from Operation: 81-12=69 Current State: 76:[7, 69], Operations: ['48-41=7', '81-12=69'] Exploring Operation: 7+69=76, Resulting Numbers: [76] 76,76 equal: Goal Reached
4
Current State: 76:[48, 41, 81, 12], Operations: [] Exploring Operation: 48-12=36, Resulting Numbers: [41, 81, 36] Generated Node #0,0: 76:[41, 81, 36] Operation: 48-12=36 Exploring Operation: 81-48=33, Resulting Numbers: [41, 12, 33] Generated Node #0,1: 76:[41, 12, 33] Operation: 81-48=33 Exploring Operation: 48/12=4, Resulting Numbers: [41, 81, 4] Generated Node #0,2: 76:[41, 81, 4] Operation: 48/12=4 Exploring Operation: 48-41=7, Resulting Numbers: [81, 12, 7] Generated Node #0,3: 76:[81, 12, 7] Operation: 48-41=7 Start Sub Search at level 1: Moving to Node #0,2 Current State: 76:[41, 81, 4], Operations: ['48/12=4'] Exploring Operation: 81-4=77, Resulting Numbers: [41, 77] Generated Node #0,2,0: 76:[41, 77] Operation: 81-4=77 Exploring Operation: 41-4=37, Resulting Numbers: [81, 37] Generated Node #0,2,1: 76:[81, 37] Operation: 41-4=37 Exploring Operation: 81-41=40, Resulting Numbers: [4, 40] Generated Node #0,2,2: 76:[4, 40] Operation: 81-41=40 Exploring Operation: 41+4=45, Resulting Numbers: [81, 45] Generated Node #0,2,3: 76:[81, 45] Operation: 41+4=45 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 76:[4, 40], Operations: ['48/12=4', '81-41=40'] Exploring Operation: 4+40=44, Resulting Numbers: [44] 44,76 unequal: No Solution Exploring Operation: 40-4=36, Resulting Numbers: [36] 36,76 unequal: No Solution Exploring Operation: 40/4=10, Resulting Numbers: [10] 10,76 unequal: No Solution Exploring Operation: 4*40=160, Resulting Numbers: [160] 160,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 76:[41, 77], Operations: ['48/12=4', '81-4=77'] Exploring Operation: 41+77=118, Resulting Numbers: [118] 118,76 unequal: No Solution Exploring Operation: 41*77=3157, Resulting Numbers: [3157] 3157,76 unequal: No Solution Exploring Operation: 77-41=36, Resulting Numbers: [36] 36,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 76:[81, 37], Operations: ['48/12=4', '41-4=37'] Exploring Operation: 81+37=118, Resulting Numbers: [118] 118,76 unequal: No Solution Exploring Operation: 81-37=44, Resulting Numbers: [44] 44,76 unequal: No Solution Exploring Operation: 81*37=2997, Resulting Numbers: [2997] 2997,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 76:[81, 45], Operations: ['48/12=4', '41+4=45'] Exploring Operation: 81+45=126, Resulting Numbers: [126] 126,76 unequal: No Solution Exploring Operation: 81-45=36, Resulting Numbers: [36] 36,76 unequal: No Solution Exploring Operation: 81*45=3645, Resulting Numbers: [3645] 3645,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 76:[41, 81, 36], Operations: ['48-12=36'] Exploring Operation: 81-41=40, Resulting Numbers: [36, 40] Generated Node #0,0,0: 76:[36, 40] Operation: 81-41=40 Exploring Operation: 41-36=5, Resulting Numbers: [81, 5] Generated Node #0,0,1: 76:[81, 5] Operation: 41-36=5 Exploring Operation: 41+36=77, Resulting Numbers: [81, 77] Generated Node #0,0,2: 76:[81, 77] Operation: 41+36=77 Exploring Operation: 81-36=45, Resulting Numbers: [41, 45] Generated Node #0,0,3: 76:[41, 45] Operation: 81-36=45 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 76:[36, 40], Operations: ['48-12=36', '81-41=40'] Exploring Operation: 36*40=1440, Resulting Numbers: [1440] 1440,76 unequal: No Solution Exploring Operation: 40-36=4, Resulting Numbers: [4] 4,76 unequal: No Solution Exploring Operation: 36+40=76, Resulting Numbers: [76] 76,76 equal: Goal Reached Moving to Node #0 Current State: 76:[48, 41, 81, 12], Operations: [] Exploring Operation: 48-12=36, Resulting Numbers: [41, 81, 36] Generated Node #0,0: 76:[41, 81, 36] Operation: 48-12=36 Moving to Node #0,0 Current State: 76:[41, 81, 36], Operations: ['48-12=36'] Exploring Operation: 81-41=40, Resulting Numbers: [36, 40] Generated Node #0,0,0: 76:[36, 40] Operation: 81-41=40 Moving to Node #0,0,0 Current State: 76:[36, 40], Operations: ['48-12=36', '81-41=40'] Exploring Operation: 36+40=76, Resulting Numbers: [76] 76,76 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.972222
hs_4
mult_heuristic
[ 9, 43, 1, 63 ]
49
[ "63/9=7", "43-1=42", "7+42=49" ]
Current State: 49:[9, 43, 1, 63], Operations: [] Exploring Operation: 63/9=7, Resulting Numbers: [43, 1, 7] Generated Node #2: [43, 1, 7] from Operation: 63/9=7 Current State: 49:[43, 1, 7], Operations: ['63/9=7'] Exploring Operation: 43-1=42, Resulting Numbers: [7, 42] Generated Node #3: [7, 42] from Operation: 43-1=42 Current State: 49:[7, 42], Operations: ['63/9=7', '43-1=42'] Exploring Operation: 7+42=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
4
Current State: 49:[9, 43, 1, 63], Operations: [] Exploring Operation: 63/9=7, Resulting Numbers: [43, 1, 7] Generated Node #0,0: 49:[43, 1, 7] Operation: 63/9=7 Exploring Operation: 9-1=8, Resulting Numbers: [43, 63, 8] Generated Node #0,1: 49:[43, 63, 8] Operation: 9-1=8 Exploring Operation: 63-9=54, Resulting Numbers: [43, 1, 54] Generated Node #0,2: 49:[43, 1, 54] Operation: 63-9=54 Exploring Operation: 43+1=44, Resulting Numbers: [9, 63, 44] Generated Node #0,3: 49:[9, 63, 44] Operation: 43+1=44 Start Sub Search at level 1: Moving to Node #0,0 Current State: 49:[43, 1, 7], Operations: ['63/9=7'] Exploring Operation: 1*7=7, Resulting Numbers: [43, 7] Generated Node #0,0,0: 49:[43, 7] Operation: 1*7=7 Exploring Operation: 43+1=44, Resulting Numbers: [7, 44] Generated Node #0,0,1: 49:[7, 44] Operation: 43+1=44 Exploring Operation: 43*1=43, Resulting Numbers: [7, 43] Generated Node #0,0,2: 49:[7, 43] Operation: 43*1=43 Exploring Operation: 43/1=43, Resulting Numbers: [7, 43] Generated Node #0,0,3: 49:[7, 43] Operation: 43/1=43 Moving to Node #0,0,1 Current State: 49:[7, 44], Operations: ['63/9=7', '43+1=44'] Exploring Operation: 7*44=308, Resulting Numbers: [308] 308,49 unequal: No Solution 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 Moving to Node #0,0,2 Current State: 49:[7, 43], Operations: ['63/9=7', '43*1=43'] Exploring Operation: 7*43=301, Resulting Numbers: [301] 301,49 unequal: No Solution Exploring Operation: 43-7=36, Resulting Numbers: [36] 36,49 unequal: No Solution Exploring Operation: 7+43=50, Resulting Numbers: [50] 50,49 unequal: No Solution Moving to Node #0,0,0 Current State: 49:[43, 7], Operations: ['63/9=7', '1*7=7'] Exploring Operation: 43-7=36, Resulting Numbers: [36] 36,49 unequal: No Solution Exploring Operation: 43*7=301, Resulting Numbers: [301] 301,49 unequal: No Solution Exploring Operation: 43+7=50, Resulting Numbers: [50] 50,49 unequal: No Solution Moving to Node #0,0,3 Current State: 49:[7, 43], Operations: ['63/9=7', '43/1=43'] Exploring Operation: 7*43=301, Resulting Numbers: [301] 301,49 unequal: No Solution Exploring Operation: 7+43=50, Resulting Numbers: [50] 50,49 unequal: No Solution Exploring Operation: 43-7=36, Resulting Numbers: [36] 36,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 49:[43, 1, 54], Operations: ['63-9=54'] Exploring Operation: 54-1=53, Resulting Numbers: [43, 53] Generated Node #0,2,0: 49:[43, 53] Operation: 54-1=53 Exploring Operation: 43+1=44, Resulting Numbers: [54, 44] Generated Node #0,2,1: 49:[54, 44] Operation: 43+1=44 Exploring Operation: 43*1=43, Resulting Numbers: [54, 43] Generated Node #0,2,2: 49:[54, 43] Operation: 43*1=43 Exploring Operation: 54-43=11, Resulting Numbers: [1, 11] Generated Node #0,2,3: 49:[1, 11] Operation: 54-43=11 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 49:[43, 53], Operations: ['63-9=54', '54-1=53'] Exploring Operation: 43*53=2279, Resulting Numbers: [2279] 2279,49 unequal: No Solution Exploring Operation: 43+53=96, Resulting Numbers: [96] 96,49 unequal: No Solution Exploring Operation: 53-43=10, Resulting Numbers: [10] 10,49 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 49:[54, 44], Operations: ['63-9=54', '43+1=44'] Exploring Operation: 54-44=10, Resulting Numbers: [10] 10,49 unequal: No Solution Exploring Operation: 54*44=2376, Resulting Numbers: [2376] 2376,49 unequal: No Solution Exploring Operation: 54+44=98, Resulting Numbers: [98] 98,49 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 49:[1, 11], Operations: ['63-9=54', '54-43=11'] Exploring Operation: 1*11=11, Resulting Numbers: [11] 11,49 unequal: No Solution Exploring Operation: 11-1=10, Resulting Numbers: [10] 10,49 unequal: No Solution Exploring Operation: 11/1=11, Resulting Numbers: [11] 11,49 unequal: No Solution Exploring Operation: 1+11=12, Resulting Numbers: [12] 12,49 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 49:[54, 43], Operations: ['63-9=54', '43*1=43'] Exploring Operation: 54*43=2322, Resulting Numbers: [2322] 2322,49 unequal: No Solution Exploring Operation: 54+43=97, Resulting Numbers: [97] 97,49 unequal: No Solution Exploring Operation: 54-43=11, Resulting Numbers: [11] 11,49 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 49:[43, 63, 8], Operations: ['9-1=8'] Exploring Operation: 63-43=20, Resulting Numbers: [8, 20] Generated Node #0,1,0: 49:[8, 20] Operation: 63-43=20 Exploring Operation: 43-8=35, Resulting Numbers: [63, 35] Generated Node #0,1,1: 49:[63, 35] Operation: 43-8=35 Exploring Operation: 63-8=55, Resulting Numbers: [43, 55] Generated Node #0,1,2: 49:[43, 55] Operation: 63-8=55 Exploring Operation: 43+8=51, Resulting Numbers: [63, 51] Generated Node #0,1,3: 49:[63, 51] Operation: 43+8=51 Moving to Node #0,1,2 Current State: 49:[43, 55], Operations: ['9-1=8', '63-8=55'] Exploring Operation: 55-43=12, Resulting Numbers: [12] 12,49 unequal: No Solution Exploring Operation: 43*55=2365, Resulting Numbers: [2365] 2365,49 unequal: No Solution Exploring Operation: 43+55=98, Resulting Numbers: [98] 98,49 unequal: No Solution Moving to Node #0,1,0 Current State: 49:[8, 20], Operations: ['9-1=8', '63-43=20'] Exploring Operation: 8+20=28, Resulting Numbers: [28] 28,49 unequal: No Solution Exploring Operation: 8*20=160, Resulting Numbers: [160] 160,49 unequal: No Solution Exploring Operation: 20-8=12, Resulting Numbers: [12] 12,49 unequal: No Solution Moving to Node #0,1,3 Current State: 49:[63, 51], Operations: ['9-1=8', '43+8=51'] Exploring Operation: 63-51=12, Resulting Numbers: [12] 12,49 unequal: No Solution Exploring Operation: 63+51=114, Resulting Numbers: [114] 114,49 unequal: No Solution Exploring Operation: 63*51=3213, Resulting Numbers: [3213] 3213,49 unequal: No Solution Moving to Node #0,1,1 Current State: 49:[63, 35], Operations: ['9-1=8', '43-8=35'] Exploring Operation: 63-35=28, Resulting Numbers: [28] 28,49 unequal: No Solution Exploring Operation: 63*35=2205, Resulting Numbers: [2205] 2205,49 unequal: No Solution Exploring Operation: 63+35=98, Resulting Numbers: [98] 98,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 49:[9, 63, 44], Operations: ['43+1=44'] Exploring Operation: 9+44=53, Resulting Numbers: [63, 53] Generated Node #0,3,0: 49:[63, 53] Operation: 9+44=53 Exploring Operation: 63-9=54, Resulting Numbers: [44, 54] Generated Node #0,3,1: 49:[44, 54] Operation: 63-9=54 Exploring Operation: 63/9=7, Resulting Numbers: [44, 7] Generated Node #0,3,2: 49:[44, 7] Operation: 63/9=7 Exploring Operation: 63-44=19, Resulting Numbers: [9, 19] Generated Node #0,3,3: 49:[9, 19] Operation: 63-44=19 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 49:[44, 7], Operations: ['43+1=44', '63/9=7'] Exploring Operation: 44+7=51, Resulting Numbers: [51] 51,49 unequal: No Solution Exploring Operation: 44*7=308, Resulting Numbers: [308] 308,49 unequal: No Solution Exploring Operation: 44-7=37, Resulting Numbers: [37] 37,49 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 49:[44, 54], Operations: ['43+1=44', '63-9=54'] Exploring Operation: 44*54=2376, Resulting Numbers: [2376] 2376,49 unequal: No Solution Exploring Operation: 54-44=10, Resulting Numbers: [10] 10,49 unequal: No Solution Exploring Operation: 44+54=98, Resulting Numbers: [98] 98,49 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 49:[9, 19], Operations: ['43+1=44', '63-44=19'] Exploring Operation: 9*19=171, Resulting Numbers: [171] 171,49 unequal: No Solution Exploring Operation: 9+19=28, Resulting Numbers: [28] 28,49 unequal: No Solution Exploring Operation: 19-9=10, Resulting Numbers: [10] 10,49 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 49:[63, 53], Operations: ['43+1=44', '9+44=53'] Exploring Operation: 63*53=3339, Resulting Numbers: [3339] 3339,49 unequal: No Solution Exploring Operation: 63-53=10, Resulting Numbers: [10] 10,49 unequal: No Solution Exploring Operation: 63+53=116, Resulting Numbers: [116] 116,49 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
sum_heuristic
[ 25, 25, 9, 60 ]
60
[ "25-25=0", "9*0=0", "60+0=60" ]
Current State: 60:[25, 25, 9, 60], Operations: [] Exploring Operation: 25-25=0, Resulting Numbers: [9, 60, 0] Generated Node #2: [9, 60, 0] from Operation: 25-25=0 Current State: 60:[9, 60, 0], Operations: ['25-25=0'] Exploring Operation: 9*0=0, Resulting Numbers: [60, 0] Generated Node #3: [60, 0] from Operation: 9*0=0 Current State: 60:[60, 0], Operations: ['25-25=0', '9*0=0'] Exploring Operation: 60+0=60, Resulting Numbers: [60] 60,60 equal: Goal Reached
4
Current State: 60:[25, 25, 9, 60], Operations: [] Exploring Operation: 25/25=1, Resulting Numbers: [9, 60, 1] Generated Node #0,0: 60:[9, 60, 1] Operation: 25/25=1 Exploring Operation: 25-25=0, Resulting Numbers: [9, 60, 0] Generated Node #0,1: 60:[9, 60, 0] Operation: 25-25=0 Start Sub Search at level 1: Moving to Node #0,0 Current State: 60:[9, 60, 1], Operations: ['25/25=1'] Exploring Operation: 9*1=9, Resulting Numbers: [60, 9] Generated Node #0,0,0: 60:[60, 9] Operation: 9*1=9 Exploring Operation: 9+1=10, Resulting Numbers: [60, 10] Generated Node #0,0,1: 60:[60, 10] Operation: 9+1=10 Moving to Node #0,0,1 Current State: 60:[60, 10], Operations: ['25/25=1', '9+1=10'] Exploring Operation: 60/10=6, Resulting Numbers: [6] 6,60 unequal: No Solution Exploring Operation: 60+10=70, Resulting Numbers: [70] 70,60 unequal: No Solution Moving to Node #0,0,0 Current State: 60:[60, 9], Operations: ['25/25=1', '9*1=9'] Exploring Operation: 60+9=69, Resulting Numbers: [69] 69,60 unequal: No Solution Exploring Operation: 60-9=51, Resulting Numbers: [51] 51,60 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 60:[9, 60, 0], Operations: ['25-25=0'] Exploring Operation: 9-0=9, Resulting Numbers: [60, 9] Generated Node #0,1,0: 60:[60, 9] Operation: 9-0=9 Exploring Operation: 9+0=9, Resulting Numbers: [60, 9] Generated Node #0,1,1: 60:[60, 9] Operation: 9+0=9 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 60:[60, 9], Operations: ['25-25=0', '9-0=9'] Exploring Operation: 60-9=51, Resulting Numbers: [51] 51,60 unequal: No Solution Exploring Operation: 60+9=69, Resulting Numbers: [69] 69,60 unequal: No Solution No 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: 60:[60, 9], Operations: ['25-25=0', '9+0=9'] Exploring Operation: 60+9=69, Resulting Numbers: [69] 69,60 unequal: No Solution Exploring Operation: 60-9=51, Resulting Numbers: [51] 51,60 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 34, 42, 58, 64 ]
50
[ "42-34=8", "64/8=8", "58-8=50" ]
Current State: 50:[34, 42, 58, 64], Operations: [] Exploring Operation: 42-34=8, Resulting Numbers: [58, 64, 8] Generated Node #2: [58, 64, 8] from Operation: 42-34=8 Current State: 50:[58, 64, 8], Operations: ['42-34=8'] Exploring Operation: 64/8=8, Resulting Numbers: [58, 8] Generated Node #3: [58, 8] from Operation: 64/8=8 Current State: 50:[58, 8], Operations: ['42-34=8', '64/8=8'] Exploring Operation: 58-8=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[34, 42, 58, 64], Operations: [] Exploring Operation: 64-42=22, Resulting Numbers: [34, 58, 22] Generated Node #0,0: 50:[34, 58, 22] Operation: 64-42=22 Exploring Operation: 64-58=6, Resulting Numbers: [34, 42, 6] Generated Node #0,1: 50:[34, 42, 6] Operation: 64-58=6 Moving to Node #0,1 Current State: 50:[34, 42, 6], Operations: ['64-58=6'] Exploring Operation: 42-34=8, Resulting Numbers: [6, 8] Generated Node #0,1,0: 50:[6, 8] Operation: 42-34=8 Exploring Operation: 34-6=28, Resulting Numbers: [42, 28] Generated Node #0,1,1: 50:[42, 28] Operation: 34-6=28 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 50:[6, 8], Operations: ['64-58=6', '42-34=8'] Exploring Operation: 6*8=48, Resulting Numbers: [48] 48,50 unequal: No Solution Exploring Operation: 8-6=2, Resulting Numbers: [2] 2,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 50:[42, 28], Operations: ['64-58=6', '34-6=28'] Exploring Operation: 42+28=70, Resulting Numbers: [70] 70,50 unequal: No Solution Exploring Operation: 42-28=14, Resulting Numbers: [14] 14,50 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: 50:[34, 58, 22], Operations: ['64-42=22'] Exploring Operation: 34-22=12, Resulting Numbers: [58, 12] Generated Node #0,0,0: 50:[58, 12] Operation: 34-22=12 Exploring Operation: 58-34=24, Resulting Numbers: [22, 24] Generated Node #0,0,1: 50:[22, 24] Operation: 58-34=24 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 50:[22, 24], Operations: ['64-42=22', '58-34=24'] Exploring Operation: 22+24=46, Resulting Numbers: [46] 46,50 unequal: No Solution Exploring Operation: 24-22=2, Resulting Numbers: [2] 2,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 50:[58, 12], Operations: ['64-42=22', '34-22=12'] Exploring Operation: 58+12=70, Resulting Numbers: [70] 70,50 unequal: No Solution Exploring Operation: 58-12=46, Resulting Numbers: [46] 46,50 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
[ 62, 84, 36, 73 ]
59
[ "84-62=22", "73-36=37", "22+37=59" ]
Current State: 59:[62, 84, 36, 73], Operations: [] Exploring Operation: 84-62=22, Resulting Numbers: [36, 73, 22] Generated Node #2: [36, 73, 22] from Operation: 84-62=22 Current State: 59:[36, 73, 22], Operations: ['84-62=22'] Exploring Operation: 73-36=37, Resulting Numbers: [22, 37] Generated Node #3: [22, 37] from Operation: 73-36=37 Current State: 59:[22, 37], Operations: ['84-62=22', '73-36=37'] Exploring Operation: 22+37=59, Resulting Numbers: [59] 59,59 equal: Goal Reached
4
Current State: 59:[62, 84, 36, 73], Operations: [] Exploring Operation: 73-36=37, Resulting Numbers: [62, 84, 37] Generated Node #0,0: 59:[62, 84, 37] Operation: 73-36=37 Exploring Operation: 84-36=48, Resulting Numbers: [62, 73, 48] Generated Node #0,1: 59:[62, 73, 48] Operation: 84-36=48 Start Sub Search at level 1: Moving to Node #0,1 Current State: 59:[62, 73, 48], Operations: ['84-36=48'] Exploring Operation: 73-48=25, Resulting Numbers: [62, 25] Generated Node #0,1,0: 59:[62, 25] Operation: 73-48=25 Exploring Operation: 73-62=11, Resulting Numbers: [48, 11] Generated Node #0,1,1: 59:[48, 11] Operation: 73-62=11 Moving to Node #0,1,0 Current State: 59:[62, 25], Operations: ['84-36=48', '73-48=25'] Exploring Operation: 62-25=37, Resulting Numbers: [37] 37,59 unequal: No Solution Exploring Operation: 62+25=87, Resulting Numbers: [87] 87,59 unequal: No Solution Moving to Node #0,1,1 Current State: 59:[48, 11], Operations: ['84-36=48', '73-62=11'] Exploring Operation: 48+11=59, Resulting Numbers: [59] 59,59 equal: Goal Reached Moving to Node #0 Current State: 59:[62, 84, 36, 73], Operations: [] Exploring Operation: 84-36=48, Resulting Numbers: [62, 73, 48] Generated Node #0,1: 59:[62, 73, 48] Operation: 84-36=48 Moving to Node #0,1 Current State: 59:[62, 73, 48], Operations: ['84-36=48'] Exploring Operation: 73-62=11, Resulting Numbers: [48, 11] Generated Node #0,1,1: 59:[48, 11] Operation: 73-62=11 Moving to Node #0,1,1 Current State: 59:[48, 11], Operations: ['84-36=48', '73-62=11'] Exploring Operation: 48+11=59, Resulting Numbers: [59] 59,59 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_2
sum_heuristic
[ 8, 41, 87, 33 ]
87
[ "41-8=33", "87+33=120", "120-33=87" ]
Current State: 87:[8, 41, 87, 33], Operations: [] Exploring Operation: 41-8=33, Resulting Numbers: [87, 33, 33] Generated Node #2: [87, 33, 33] from Operation: 41-8=33 Current State: 87:[87, 33, 33], Operations: ['41-8=33'] Exploring Operation: 87+33=120, Resulting Numbers: [120] 120,87 equal: Goal Reached Exploring Operation: 120-33=87, Resulting Numbers: [87] 87,87 equal: Goal Reached
4
Current State: 87:[8, 41, 87, 33], Operations: [] Exploring Operation: 41+33=74, Resulting Numbers: [8, 87, 74] Generated Node #0,0: 87:[8, 87, 74] Operation: 41+33=74 Exploring Operation: 8+41=49, Resulting Numbers: [87, 33, 49] Generated Node #0,1: 87:[87, 33, 49] Operation: 8+41=49 Exploring Operation: 41-33=8, Resulting Numbers: [8, 87, 8] Generated Node #0,2: 87:[8, 87, 8] Operation: 41-33=8 Exploring Operation: 41-8=33, Resulting Numbers: [87, 33, 33] Generated Node #0,3: 87:[87, 33, 33] Operation: 41-8=33 Exploring Operation: 33-8=25, Resulting Numbers: [41, 87, 25] Generated Node #0,4: 87:[41, 87, 25] Operation: 33-8=25 Moving to Node #0,3 Current State: 87:[87, 33, 33], Operations: ['41-8=33'] Exploring Operation: 33+33=66, Resulting Numbers: [87, 66] Generated Node #0,3,0: 87:[87, 66] Operation: 33+33=66 Exploring Operation: 87-33=54, Resulting Numbers: [33, 54] Generated Node #0,3,1: 87:[33, 54] Operation: 87-33=54 Exploring Operation: 87-33=54, Resulting Numbers: [33, 54] Generated Node #0,3,2: 87:[33, 54] Operation: 87-33=54 Exploring Operation: 33-33=0, Resulting Numbers: [87, 0] Generated Node #0,3,3: 87:[87, 0] Operation: 33-33=0 Exploring Operation: 33/33=1, Resulting Numbers: [87, 1] Generated Node #0,3,4: 87:[87, 1] Operation: 33/33=1 Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 87:[87, 1], Operations: ['41-8=33', '33/33=1'] Exploring Operation: 87+1=88, Resulting Numbers: [88] 88,87 unequal: No Solution Exploring Operation: 87-1=86, Resulting Numbers: [86] 86,87 unequal: No Solution Exploring Operation: 87*1=87, Resulting Numbers: [87] 87,87 equal: Goal Reached Moving to Node #0 Current State: 87:[8, 41, 87, 33], Operations: [] Exploring Operation: 41-8=33, Resulting Numbers: [87, 33, 33] Generated Node #0,3: 87:[87, 33, 33] Operation: 41-8=33 Moving to Node #0,3 Current State: 87:[87, 33, 33], Operations: ['41-8=33'] Exploring Operation: 33/33=1, Resulting Numbers: [87, 1] Generated Node #0,3,4: 87:[87, 1] Operation: 33/33=1 Moving to Node #0,3,4 Current State: 87:[87, 1], Operations: ['41-8=33', '33/33=1'] Exploring Operation: 87*1=87, Resulting Numbers: [87] 87,87 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_5
mult_heuristic
[ 60, 4, 5, 93 ]
31
[ "60/4=15", "5*93=465", "465/15=31" ]
Current State: 31:[60, 4, 5, 93], Operations: [] Exploring Operation: 60/4=15, Resulting Numbers: [5, 93, 15] Generated Node #2: [5, 93, 15] from Operation: 60/4=15 Current State: 31:[5, 93, 15], Operations: ['60/4=15'] Exploring Operation: 5*93=465, Resulting Numbers: [15, 465] Generated Node #3: [15, 465] from Operation: 5*93=465 Current State: 31:[15, 465], Operations: ['60/4=15', '5*93=465'] Exploring Operation: 465/15=31, Resulting Numbers: [31] 31,31 equal: Goal Reached
4
Current State: 31:[60, 4, 5, 93], Operations: [] Exploring Operation: 93-60=33, Resulting Numbers: [4, 5, 33] Generated Node #0,0: 31:[4, 5, 33] Operation: 93-60=33 Moving to Node #0,0 Current State: 31:[4, 5, 33], Operations: ['93-60=33'] Exploring Operation: 4*5=20, Resulting Numbers: [33, 20] Generated Node #0,0,0: 31:[33, 20] Operation: 4*5=20 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 31:[33, 20], Operations: ['93-60=33', '4*5=20'] Exploring Operation: 33-20=13, Resulting Numbers: [13] 13,31 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
[ 79, 63, 40, 33 ]
50
[ "63*33=2079", "2079-79=2000", "2000/40=50" ]
Current State: 50:[79, 63, 40, 33], Operations: [] Exploring Operation: 63*33=2079, Resulting Numbers: [79, 40, 2079] Generated Node #2: [79, 40, 2079] from Operation: 63*33=2079 Current State: 50:[79, 40, 2079], Operations: ['63*33=2079'] Exploring Operation: 2079-79=2000, Resulting Numbers: [40, 2000] Generated Node #3: [40, 2000] from Operation: 2079-79=2000 Current State: 50:[40, 2000], Operations: ['63*33=2079', '2079-79=2000'] Exploring Operation: 2000/40=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[79, 63, 40, 33], Operations: [] Exploring Operation: 63-40=23, Resulting Numbers: [79, 33, 23] Generated Node #0,0: 50:[79, 33, 23] Operation: 63-40=23 Exploring Operation: 63-33=30, Resulting Numbers: [79, 40, 30] Generated Node #0,1: 50:[79, 40, 30] Operation: 63-33=30 Exploring Operation: 79-33=46, Resulting Numbers: [63, 40, 46] Generated Node #0,2: 50:[63, 40, 46] Operation: 79-33=46 Exploring Operation: 79-63=16, Resulting Numbers: [40, 33, 16] Generated Node #0,3: 50:[40, 33, 16] Operation: 79-63=16 Exploring Operation: 79-40=39, Resulting Numbers: [63, 33, 39] Generated Node #0,4: 50:[63, 33, 39] Operation: 79-40=39 Moving to Node #0,3 Current State: 50:[40, 33, 16], Operations: ['79-63=16'] Exploring Operation: 33-16=17, Resulting Numbers: [40, 17] Generated Node #0,3,0: 50:[40, 17] Operation: 33-16=17 Exploring Operation: 40-33=7, Resulting Numbers: [16, 7] Generated Node #0,3,1: 50:[16, 7] Operation: 40-33=7 Exploring Operation: 33+16=49, Resulting Numbers: [40, 49] Generated Node #0,3,2: 50:[40, 49] Operation: 33+16=49 Exploring Operation: 40+16=56, Resulting Numbers: [33, 56] Generated Node #0,3,3: 50:[33, 56] Operation: 40+16=56 Exploring Operation: 40-16=24, Resulting Numbers: [33, 24] Generated Node #0,3,4: 50:[33, 24] Operation: 40-16=24 Moving to Node #0,2 Current State: 50:[63, 40, 46], Operations: ['79-33=46'] Exploring Operation: 63-46=17, Resulting Numbers: [40, 17] Generated Node #0,2,0: 50:[40, 17] Operation: 63-46=17 Exploring Operation: 63-40=23, Resulting Numbers: [46, 23] Generated Node #0,2,1: 50:[46, 23] Operation: 63-40=23 Exploring Operation: 63+40=103, Resulting Numbers: [46, 103] Generated Node #0,2,2: 50:[46, 103] Operation: 63+40=103 Exploring Operation: 46-40=6, Resulting Numbers: [63, 6] Generated Node #0,2,3: 50:[63, 6] Operation: 46-40=6 Exploring Operation: 40+46=86, Resulting Numbers: [63, 86] Generated Node #0,2,4: 50:[63, 86] Operation: 40+46=86 Moving to Node #0,4 Current State: 50:[63, 33, 39], Operations: ['79-40=39'] Exploring Operation: 33+39=72, Resulting Numbers: [63, 72] Generated Node #0,4,0: 50:[63, 72] Operation: 33+39=72 Exploring Operation: 39-33=6, Resulting Numbers: [63, 6] Generated Node #0,4,1: 50:[63, 6] Operation: 39-33=6 Exploring Operation: 63-33=30, Resulting Numbers: [39, 30] Generated Node #0,4,2: 50:[39, 30] Operation: 63-33=30 Exploring Operation: 63+33=96, Resulting Numbers: [39, 96] Generated Node #0,4,3: 50:[39, 96] Operation: 63+33=96 Exploring Operation: 63-39=24, Resulting Numbers: [33, 24] Generated Node #0,4,4: 50:[33, 24] Operation: 63-39=24 Moving to Node #0,0 Current State: 50:[79, 33, 23], Operations: ['63-40=23'] Exploring Operation: 79-23=56, Resulting Numbers: [33, 56] Generated Node #0,0,0: 50:[33, 56] Operation: 79-23=56 Exploring Operation: 33-23=10, Resulting Numbers: [79, 10] Generated Node #0,0,1: 50:[79, 10] Operation: 33-23=10 Exploring Operation: 79+23=102, Resulting Numbers: [33, 102] Generated Node #0,0,2: 50:[33, 102] Operation: 79+23=102 Exploring Operation: 33+23=56, Resulting Numbers: [79, 56] Generated Node #0,0,3: 50:[79, 56] Operation: 33+23=56 Exploring Operation: 79-33=46, Resulting Numbers: [23, 46] Generated Node #0,0,4: 50:[23, 46] Operation: 79-33=46 Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 50:[23, 46], Operations: ['63-40=23', '79-33=46'] Exploring Operation: 23+46=69, Resulting Numbers: [69] 69,50 unequal: No Solution Exploring Operation: 46-23=23, Resulting Numbers: [23] 23,50 unequal: No Solution Exploring Operation: 46/23=2, Resulting Numbers: [2] 2,50 unequal: No Solution Exploring Operation: 23*46=1058, Resulting Numbers: [1058] 1058,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 50:[33, 56], Operations: ['63-40=23', '79-23=56'] Exploring Operation: 33+56=89, Resulting Numbers: [89] 89,50 unequal: No Solution Exploring Operation: 56-33=23, Resulting Numbers: [23] 23,50 unequal: No Solution Exploring Operation: 33*56=1848, Resulting Numbers: [1848] 1848,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 50:[79, 10], Operations: ['63-40=23', '33-23=10'] Exploring Operation: 79*10=790, Resulting Numbers: [790] 790,50 unequal: No Solution Exploring Operation: 79+10=89, Resulting Numbers: [89] 89,50 unequal: No Solution Exploring Operation: 79-10=69, Resulting Numbers: [69] 69,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 50:[79, 56], Operations: ['63-40=23', '33+23=56'] Exploring Operation: 79*56=4424, Resulting Numbers: [4424] 4424,50 unequal: No Solution Exploring Operation: 79+56=135, Resulting Numbers: [135] 135,50 unequal: No Solution Exploring Operation: 79-56=23, Resulting Numbers: [23] 23,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 50:[33, 102], Operations: ['63-40=23', '79+23=102'] Exploring Operation: 33*102=3366, Resulting Numbers: [3366] 3366,50 unequal: No Solution Exploring Operation: 102-33=69, Resulting Numbers: [69] 69,50 unequal: No Solution Exploring Operation: 33+102=135, Resulting Numbers: [135] 135,50 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: 50:[79, 40, 30], Operations: ['63-33=30'] Exploring Operation: 79-40=39, Resulting Numbers: [30, 39] Generated Node #0,1,0: 50:[30, 39] Operation: 79-40=39 Exploring Operation: 40+30=70, Resulting Numbers: [79, 70] Generated Node #0,1,1: 50:[79, 70] Operation: 40+30=70 Exploring Operation: 40-30=10, Resulting Numbers: [79, 10] Generated Node #0,1,2: 50:[79, 10] Operation: 40-30=10 Exploring Operation: 79-30=49, Resulting Numbers: [40, 49] Generated Node #0,1,3: 50:[40, 49] Operation: 79-30=49 Exploring Operation: 79+30=109, Resulting Numbers: [40, 109] Generated Node #0,1,4: 50:[40, 109] Operation: 79+30=109 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 50:[40, 49], Operations: ['63-33=30', '79-30=49'] Exploring Operation: 40*49=1960, Resulting Numbers: [1960] 1960,50 unequal: No Solution Exploring Operation: 40+49=89, Resulting Numbers: [89] 89,50 unequal: No Solution Exploring Operation: 49-40=9, Resulting Numbers: [9] 9,50 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:[30, 39], Operations: ['63-33=30', '79-40=39'] Exploring Operation: 39-30=9, Resulting Numbers: [9] 9,50 unequal: No Solution Exploring Operation: 30*39=1170, Resulting Numbers: [1170] 1170,50 unequal: No Solution Exploring Operation: 30+39=69, Resulting Numbers: [69] 69,50 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 #0,1,2 Current State: 50:[79, 10], Operations: ['63-33=30', '40-30=10'] Exploring Operation: 79+10=89, Resulting Numbers: [89] 89,50 unequal: No Solution Exploring Operation: 79-10=69, Resulting Numbers: [69] 69,50 unequal: No Solution Exploring Operation: 79*10=790, Resulting Numbers: [790] 790,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 50:[79, 70], Operations: ['63-33=30', '40+30=70'] Exploring Operation: 79*70=5530, Resulting Numbers: [5530] 5530,50 unequal: No Solution Exploring Operation: 79+70=149, Resulting Numbers: [149] 149,50 unequal: No Solution Exploring Operation: 79-70=9, Resulting Numbers: [9] 9,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 50:[40, 109], Operations: ['63-33=30', '79+30=109'] Exploring Operation: 40+109=149, Resulting Numbers: [149] 149,50 unequal: No Solution Exploring Operation: 40*109=4360, Resulting Numbers: [4360] 4360,50 unequal: No Solution Exploring Operation: 109-40=69, Resulting Numbers: [69] 69,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2,1 Current State: 50:[46, 23], Operations: ['79-33=46', '63-40=23'] Exploring Operation: 46/23=2, Resulting Numbers: [2] 2,50 unequal: No Solution Exploring Operation: 46-23=23, Resulting Numbers: [23] 23,50 unequal: No Solution Exploring Operation: 46+23=69, Resulting Numbers: [69] 69,50 unequal: No Solution Exploring Operation: 46*23=1058, Resulting Numbers: [1058] 1058,50 unequal: No Solution Moving to Node #0,3,1 Current State: 50:[16, 7], Operations: ['79-63=16', '40-33=7'] Exploring Operation: 16+7=23, Resulting Numbers: [23] 23,50 unequal: No Solution Exploring Operation: 16*7=112, Resulting Numbers: [112] 112,50 unequal: No Solution Exploring Operation: 16-7=9, Resulting Numbers: [9] 9,50 unequal: No Solution Moving to Node #0,3,4 Current State: 50:[33, 24], Operations: ['79-63=16', '40-16=24'] Exploring Operation: 33-24=9, Resulting Numbers: [9] 9,50 unequal: No Solution Exploring Operation: 33+24=57, Resulting Numbers: [57] 57,50 unequal: No Solution Exploring Operation: 33*24=792, Resulting Numbers: [792] 792,50 unequal: No Solution Moving to Node #0,4,4 Current State: 50:[33, 24], Operations: ['79-40=39', '63-39=24'] Exploring Operation: 33+24=57, Resulting Numbers: [57] 57,50 unequal: No Solution Exploring Operation: 33-24=9, Resulting Numbers: [9] 9,50 unequal: No Solution Exploring Operation: 33*24=792, Resulting Numbers: [792] 792,50 unequal: No Solution Moving to Node #0,3,2 Current State: 50:[40, 49], Operations: ['79-63=16', '33+16=49'] Exploring Operation: 40+49=89, Resulting Numbers: [89] 89,50 unequal: No Solution Exploring Operation: 40*49=1960, Resulting Numbers: [1960] 1960,50 unequal: No Solution Exploring Operation: 49-40=9, Resulting Numbers: [9] 9,50 unequal: No Solution Moving to Node #0,2,3 Current State: 50:[63, 6], Operations: ['79-33=46', '46-40=6'] Exploring Operation: 63+6=69, Resulting Numbers: [69] 69,50 unequal: No Solution Exploring Operation: 63*6=378, Resulting Numbers: [378] 378,50 unequal: No Solution Exploring Operation: 63-6=57, Resulting Numbers: [57] 57,50 unequal: No Solution Moving to Node #0,4,1 Current State: 50:[63, 6], Operations: ['79-40=39', '39-33=6'] Exploring Operation: 63+6=69, Resulting Numbers: [69] 69,50 unequal: No Solution Exploring Operation: 63*6=378, Resulting Numbers: [378] 378,50 unequal: No Solution Exploring Operation: 63-6=57, Resulting Numbers: [57] 57,50 unequal: No Solution Moving to Node #0,3,3 Current State: 50:[33, 56], Operations: ['79-63=16', '40+16=56'] Exploring Operation: 33+56=89, Resulting Numbers: [89] 89,50 unequal: No Solution Exploring Operation: 33*56=1848, Resulting Numbers: [1848] 1848,50 unequal: No Solution Exploring Operation: 56-33=23, Resulting Numbers: [23] 23,50 unequal: No Solution Moving to Node #0,4,2 Current State: 50:[39, 30], Operations: ['79-40=39', '63-33=30'] Exploring Operation: 39+30=69, Resulting Numbers: [69] 69,50 unequal: No Solution Exploring Operation: 39-30=9, Resulting Numbers: [9] 9,50 unequal: No Solution Exploring Operation: 39*30=1170, Resulting Numbers: [1170] 1170,50 unequal: No Solution Moving to Node #0,3,0 Current State: 50:[40, 17], Operations: ['79-63=16', '33-16=17'] Exploring Operation: 40-17=23, Resulting Numbers: [23] 23,50 unequal: No Solution Exploring Operation: 40*17=680, Resulting Numbers: [680] 680,50 unequal: No Solution Exploring Operation: 40+17=57, Resulting Numbers: [57] 57,50 unequal: No Solution Moving to Node #0,2,0 Current State: 50:[40, 17], Operations: ['79-33=46', '63-46=17'] Exploring Operation: 40*17=680, Resulting Numbers: [680] 680,50 unequal: No Solution Exploring Operation: 40+17=57, Resulting Numbers: [57] 57,50 unequal: No Solution Exploring Operation: 40-17=23, Resulting Numbers: [23] 23,50 unequal: No Solution Moving to Node #0,4,0 Current State: 50:[63, 72], Operations: ['79-40=39', '33+39=72'] Exploring Operation: 63+72=135, Resulting Numbers: [135] 135,50 unequal: No Solution Exploring Operation: 63*72=4536, Resulting Numbers: [4536] 4536,50 unequal: No Solution Exploring Operation: 72-63=9, Resulting Numbers: [9] 9,50 unequal: No Solution Moving to Node #0,2,4 Current State: 50:[63, 86], Operations: ['79-33=46', '40+46=86'] Exploring Operation: 86-63=23, Resulting Numbers: [23] 23,50 unequal: No Solution Exploring Operation: 63*86=5418, Resulting Numbers: [5418] 5418,50 unequal: No Solution Exploring Operation: 63+86=149, Resulting Numbers: [149] 149,50 unequal: No Solution Moving to Node #0,4,3 Current State: 50:[39, 96], Operations: ['79-40=39', '63+33=96'] Exploring Operation: 39*96=3744, Resulting Numbers: [3744] 3744,50 unequal: No Solution Exploring Operation: 39+96=135, Resulting Numbers: [135] 135,50 unequal: No Solution Exploring Operation: 96-39=57, Resulting Numbers: [57] 57,50 unequal: No Solution Moving to Node #0,2,2 Current State: 50:[46, 103], Operations: ['79-33=46', '63+40=103'] Exploring Operation: 46*103=4738, Resulting Numbers: [4738] 4738,50 unequal: No Solution Exploring Operation: 46+103=149, Resulting Numbers: [149] 149,50 unequal: No Solution Exploring Operation: 103-46=57, Resulting Numbers: [57] 57,50 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 54, 18, 27, 99 ]
12
[ "18*99=1782", "1782/27=66", "66-54=12" ]
Current State: 12:[54, 18, 27, 99], Operations: [] Exploring Operation: 18*99=1782, Resulting Numbers: [54, 27, 1782] Generated Node #2: [54, 27, 1782] from Operation: 18*99=1782 Current State: 12:[54, 27, 1782], Operations: ['18*99=1782'] Exploring Operation: 1782/27=66, Resulting Numbers: [54, 66] Generated Node #3: [54, 66] from Operation: 1782/27=66 Current State: 12:[54, 66], Operations: ['18*99=1782', '1782/27=66'] Exploring Operation: 66-54=12, Resulting Numbers: [12] 12,12 equal: Goal Reached
4
Current State: 12:[54, 18, 27, 99], Operations: [] Exploring Operation: 99-54=45, Resulting Numbers: [18, 27, 45] Generated Node #0,0: 12:[18, 27, 45] Operation: 99-54=45 Start Sub Search at level 1: Moving to Node #0,0 Current State: 12:[18, 27, 45], Operations: ['99-54=45'] Exploring Operation: 45-27=18, Resulting Numbers: [18, 18] Generated Node #0,0,0: 12:[18, 18] Operation: 45-27=18 Moving to Node #0,0,0 Current State: 12:[18, 18], Operations: ['99-54=45', '45-27=18'] Exploring Operation: 18/18=1, Resulting Numbers: [1] 1,12 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
[ 21, 30, 3, 95 ]
15
[ "3*95=285", "30+285=315", "315/21=15" ]
Current State: 15:[21, 30, 3, 95], Operations: [] Exploring Operation: 3*95=285, Resulting Numbers: [21, 30, 285] Generated Node #2: [21, 30, 285] from Operation: 3*95=285 Current State: 15:[21, 30, 285], Operations: ['3*95=285'] Exploring Operation: 30+285=315, Resulting Numbers: [21, 315] Generated Node #3: [21, 315] from Operation: 30+285=315 Current State: 15:[21, 315], Operations: ['3*95=285', '30+285=315'] Exploring Operation: 315/21=15, Resulting Numbers: [15] 15,15 equal: Goal Reached
4
Current State: 15:[21, 30, 3, 95], Operations: [] Exploring Operation: 30-21=9, Resulting Numbers: [3, 95, 9] Generated Node #0,0: 15:[3, 95, 9] Operation: 30-21=9 Exploring Operation: 95-30=65, Resulting Numbers: [21, 3, 65] Generated Node #0,1: 15:[21, 3, 65] Operation: 95-30=65 Exploring Operation: 95-21=74, Resulting Numbers: [30, 3, 74] Generated Node #0,2: 15:[30, 3, 74] Operation: 95-21=74 Start Sub Search at level 1: Moving to Node #0,1 Current State: 15:[21, 3, 65], Operations: ['95-30=65'] Exploring Operation: 21/3=7, Resulting Numbers: [65, 7] Generated Node #0,1,0: 15:[65, 7] Operation: 21/3=7 Exploring Operation: 65-21=44, Resulting Numbers: [3, 44] Generated Node #0,1,1: 15:[3, 44] Operation: 65-21=44 Exploring Operation: 21-3=18, Resulting Numbers: [65, 18] Generated Node #0,1,2: 15:[65, 18] Operation: 21-3=18 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 15:[3, 44], Operations: ['95-30=65', '65-21=44'] Exploring Operation: 3*44=132, Resulting Numbers: [132] 132,15 unequal: No Solution Exploring Operation: 3+44=47, Resulting Numbers: [47] 47,15 unequal: No Solution Exploring Operation: 44-3=41, Resulting Numbers: [41] 41,15 unequal: No Solution No 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: 15:[65, 7], Operations: ['95-30=65', '21/3=7'] Exploring Operation: 65*7=455, Resulting Numbers: [455] 455,15 unequal: No Solution Exploring Operation: 65-7=58, Resulting Numbers: [58] 58,15 unequal: No Solution Exploring Operation: 65+7=72, Resulting Numbers: [72] 72,15 unequal: No Solution No 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: 15:[65, 18], Operations: ['95-30=65', '21-3=18'] Exploring Operation: 65-18=47, Resulting Numbers: [47] 47,15 unequal: No Solution Exploring Operation: 65+18=83, Resulting Numbers: [83] 83,15 unequal: No Solution Exploring Operation: 65*18=1170, Resulting Numbers: [1170] 1170,15 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 Start Sub Search at level 1: Moving to Node #0,2 Current State: 15:[30, 3, 74], Operations: ['95-21=74'] Exploring Operation: 74-30=44, Resulting Numbers: [3, 44] Generated Node #0,2,0: 15:[3, 44] Operation: 74-30=44 Exploring Operation: 30-3=27, Resulting Numbers: [74, 27] Generated Node #0,2,1: 15:[74, 27] Operation: 30-3=27 Exploring Operation: 30/3=10, Resulting Numbers: [74, 10] Generated Node #0,2,2: 15:[74, 10] Operation: 30/3=10 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 15:[3, 44], Operations: ['95-21=74', '74-30=44'] Exploring Operation: 3+44=47, Resulting Numbers: [47] 47,15 unequal: No Solution Exploring Operation: 44-3=41, Resulting Numbers: [41] 41,15 unequal: No Solution Exploring Operation: 3*44=132, Resulting Numbers: [132] 132,15 unequal: No Solution No 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: 15:[74, 10], Operations: ['95-21=74', '30/3=10'] Exploring Operation: 74*10=740, Resulting Numbers: [740] 740,15 unequal: No Solution Exploring Operation: 74-10=64, Resulting Numbers: [64] 64,15 unequal: No Solution Exploring Operation: 74+10=84, Resulting Numbers: [84] 84,15 unequal: No Solution No 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: 15:[74, 27], Operations: ['95-21=74', '30-3=27'] Exploring Operation: 74-27=47, Resulting Numbers: [47] 47,15 unequal: No Solution Exploring Operation: 74*27=1998, Resulting Numbers: [1998] 1998,15 unequal: No Solution Exploring Operation: 74+27=101, Resulting Numbers: [101] 101,15 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 Start Sub Search at level 1: Moving to Node #0,0 Current State: 15:[3, 95, 9], Operations: ['30-21=9'] Exploring Operation: 95-3=92, Resulting Numbers: [9, 92] Generated Node #0,0,0: 15:[9, 92] Operation: 95-3=92 Exploring Operation: 9/3=3, Resulting Numbers: [95, 3] Generated Node #0,0,1: 15:[95, 3] Operation: 9/3=3 Exploring Operation: 95-9=86, Resulting Numbers: [3, 86] Generated Node #0,0,2: 15:[3, 86] Operation: 95-9=86 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 15:[3, 86], Operations: ['30-21=9', '95-9=86'] Exploring Operation: 3*86=258, Resulting Numbers: [258] 258,15 unequal: No Solution Exploring Operation: 3+86=89, Resulting Numbers: [89] 89,15 unequal: No Solution Exploring Operation: 86-3=83, Resulting Numbers: [83] 83,15 unequal: No Solution No 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: 15:[95, 3], Operations: ['30-21=9', '9/3=3'] Exploring Operation: 95*3=285, Resulting Numbers: [285] 285,15 unequal: No Solution Exploring Operation: 95-3=92, Resulting Numbers: [92] 92,15 unequal: No Solution Exploring Operation: 95+3=98, Resulting Numbers: [98] 98,15 unequal: No Solution No 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: 15:[9, 92], Operations: ['30-21=9', '95-3=92'] Exploring Operation: 92-9=83, Resulting Numbers: [83] 83,15 unequal: No Solution Exploring Operation: 9*92=828, Resulting Numbers: [828] 828,15 unequal: No Solution Exploring Operation: 9+92=101, Resulting Numbers: [101] 101,15 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_3
sum_heuristic
[ 27, 26, 75, 48 ]
80
[ "27+26=53", "75-48=27", "53+27=80" ]
Current State: 80:[27, 26, 75, 48], Operations: [] Exploring Operation: 27+26=53, Resulting Numbers: [75, 48, 53] Generated Node #2: [75, 48, 53] from Operation: 27+26=53 Current State: 80:[75, 48, 53], Operations: ['27+26=53'] Exploring Operation: 75-48=27, Resulting Numbers: [53, 27] Generated Node #3: [53, 27] from Operation: 75-48=27 Current State: 80:[53, 27], Operations: ['27+26=53', '75-48=27'] Exploring Operation: 53+27=80, Resulting Numbers: [80] 80,80 equal: Goal Reached
4
Current State: 80:[27, 26, 75, 48], Operations: [] Exploring Operation: 27-26=1, Resulting Numbers: [75, 48, 1] Generated Node #0,0: 80:[75, 48, 1] Operation: 27-26=1 Exploring Operation: 27+48=75, Resulting Numbers: [26, 75, 75] Generated Node #0,1: 80:[26, 75, 75] Operation: 27+48=75 Exploring Operation: 48-26=22, Resulting Numbers: [27, 75, 22] Generated Node #0,2: 80:[27, 75, 22] Operation: 48-26=22 Exploring Operation: 48-27=21, Resulting Numbers: [26, 75, 21] Generated Node #0,3: 80:[26, 75, 21] Operation: 48-27=21 Start Sub Search at level 1: Moving to Node #0,3 Current State: 80:[26, 75, 21], Operations: ['48-27=21'] Exploring Operation: 75-26=49, Resulting Numbers: [21, 49] Generated Node #0,3,0: 80:[21, 49] Operation: 75-26=49 Exploring Operation: 26+21=47, Resulting Numbers: [75, 47] Generated Node #0,3,1: 80:[75, 47] Operation: 26+21=47 Exploring Operation: 26-21=5, Resulting Numbers: [75, 5] Generated Node #0,3,2: 80:[75, 5] Operation: 26-21=5 Exploring Operation: 75-21=54, Resulting Numbers: [26, 54] Generated Node #0,3,3: 80:[26, 54] Operation: 75-21=54 Moving to Node #0,3,2 Current State: 80:[75, 5], Operations: ['48-27=21', '26-21=5'] Exploring Operation: 75*5=375, Resulting Numbers: [375] 375,80 unequal: No Solution Exploring Operation: 75-5=70, Resulting Numbers: [70] 70,80 unequal: No Solution Exploring Operation: 75/5=15, Resulting Numbers: [15] 15,80 unequal: No Solution Exploring Operation: 75+5=80, Resulting Numbers: [80] 80,80 equal: Goal Reached Moving to Node #0 Current State: 80:[27, 26, 75, 48], Operations: [] Exploring Operation: 48-27=21, Resulting Numbers: [26, 75, 21] Generated Node #0,3: 80:[26, 75, 21] Operation: 48-27=21 Moving to Node #0,3 Current State: 80:[26, 75, 21], Operations: ['48-27=21'] Exploring Operation: 26-21=5, Resulting Numbers: [75, 5] Generated Node #0,3,2: 80:[75, 5] Operation: 26-21=5 Moving to Node #0,3,2 Current State: 80:[75, 5], Operations: ['48-27=21', '26-21=5'] Exploring Operation: 75+5=80, Resulting Numbers: [80] 80,80 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_4
mult_heuristic
[ 84, 2, 78, 21 ]
57
[ "84/2=42", "78+21=99", "99-42=57" ]
Current State: 57:[84, 2, 78, 21], Operations: [] Exploring Operation: 84/2=42, Resulting Numbers: [78, 21, 42] Generated Node #2: [78, 21, 42] from Operation: 84/2=42 Current State: 57:[78, 21, 42], Operations: ['84/2=42'] Exploring Operation: 78+21=99, Resulting Numbers: [42, 99] Generated Node #3: [42, 99] from Operation: 78+21=99 Current State: 57:[42, 99], Operations: ['84/2=42', '78+21=99'] Exploring Operation: 99-42=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
4
Current State: 57:[84, 2, 78, 21], Operations: [] Exploring Operation: 84-78=6, Resulting Numbers: [2, 21, 6] Generated Node #0,0: 57:[2, 21, 6] Operation: 84-78=6 Start Sub Search at level 1: Moving to Node #0,0 Current State: 57:[2, 21, 6], Operations: ['84-78=6'] Exploring Operation: 6/2=3, Resulting Numbers: [21, 3] Generated Node #0,0,0: 57:[21, 3] Operation: 6/2=3 Moving to Node #0,0,0 Current State: 57:[21, 3], Operations: ['84-78=6', '6/2=3'] Exploring Operation: 21-3=18, Resulting Numbers: [18] 18,57 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
[ 44, 11, 84, 56 ]
70
[ "44/11=4", "56/4=14", "84-14=70" ]
Current State: 70:[44, 11, 84, 56], Operations: [] Exploring Operation: 44/11=4, Resulting Numbers: [84, 56, 4] Generated Node #2: [84, 56, 4] from Operation: 44/11=4 Current State: 70:[84, 56, 4], Operations: ['44/11=4'] Exploring Operation: 56/4=14, Resulting Numbers: [84, 14] Generated Node #3: [84, 14] from Operation: 56/4=14 Current State: 70:[84, 14], Operations: ['44/11=4', '56/4=14'] Exploring Operation: 84-14=70, Resulting Numbers: [70] 70,70 equal: Goal Reached
4
Current State: 70:[44, 11, 84, 56], Operations: [] Exploring Operation: 84-56=28, Resulting Numbers: [44, 11, 28] Generated Node #0,0: 70:[44, 11, 28] Operation: 84-56=28 Exploring Operation: 56-44=12, Resulting Numbers: [11, 84, 12] Generated Node #0,1: 70:[11, 84, 12] Operation: 56-44=12 Moving to Node #0,0 Current State: 70:[44, 11, 28], Operations: ['84-56=28'] Exploring Operation: 44+28=72, Resulting Numbers: [11, 72] Generated Node #0,0,0: 70:[11, 72] Operation: 44+28=72 Exploring Operation: 44-28=16, Resulting Numbers: [11, 16] Generated Node #0,0,1: 70:[11, 16] Operation: 44-28=16 Moving to Node #0,1 Current State: 70:[11, 84, 12], Operations: ['56-44=12'] Exploring Operation: 84/12=7, Resulting Numbers: [11, 7] Generated Node #0,1,0: 70:[11, 7] Operation: 84/12=7 Exploring Operation: 84-12=72, Resulting Numbers: [11, 72] Generated Node #0,1,1: 70:[11, 72] Operation: 84-12=72 Moving to Node #0,1,0 Current State: 70:[11, 7], Operations: ['56-44=12', '84/12=7'] Exploring Operation: 11-7=4, Resulting Numbers: [4] 4,70 unequal: No Solution Exploring Operation: 11+7=18, Resulting Numbers: [18] 18,70 unequal: No Solution Moving to Node #0,0,0 Current State: 70:[11, 72], Operations: ['84-56=28', '44+28=72'] Exploring Operation: 11+72=83, Resulting Numbers: [83] 83,70 unequal: No Solution Exploring Operation: 72-11=61, Resulting Numbers: [61] 61,70 unequal: No Solution Moving to Node #0,0,1 Current State: 70:[11, 16], Operations: ['84-56=28', '44-28=16'] Exploring Operation: 16-11=5, Resulting Numbers: [5] 5,70 unequal: No Solution Exploring Operation: 11+16=27, Resulting Numbers: [27] 27,70 unequal: No Solution Moving to Node #0,1,1 Current State: 70:[11, 72], Operations: ['56-44=12', '84-12=72'] Exploring Operation: 11+72=83, Resulting Numbers: [83] 83,70 unequal: No Solution Exploring Operation: 72-11=61, Resulting Numbers: [61] 61,70 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 50, 89, 83, 79 ]
78
[ "89-79=10", "50/10=5", "83-5=78" ]
Current State: 78:[50, 89, 83, 79], Operations: [] Exploring Operation: 89-79=10, Resulting Numbers: [50, 83, 10] Generated Node #2: [50, 83, 10] from Operation: 89-79=10 Current State: 78:[50, 83, 10], Operations: ['89-79=10'] Exploring Operation: 50/10=5, Resulting Numbers: [83, 5] Generated Node #3: [83, 5] from Operation: 50/10=5 Current State: 78:[83, 5], Operations: ['89-79=10', '50/10=5'] Exploring Operation: 83-5=78, Resulting Numbers: [78] 78,78 equal: Goal Reached
4
Current State: 78:[50, 89, 83, 79], Operations: [] Exploring Operation: 89-83=6, Resulting Numbers: [50, 79, 6] Generated Node #0,0: 78:[50, 79, 6] Operation: 89-83=6 Exploring Operation: 89-50=39, Resulting Numbers: [83, 79, 39] Generated Node #0,1: 78:[83, 79, 39] Operation: 89-50=39 Start Sub Search at level 1: Moving to Node #0,1 Current State: 78:[83, 79, 39], Operations: ['89-50=39'] Exploring Operation: 83-39=44, Resulting Numbers: [79, 44] Generated Node #0,1,0: 78:[79, 44] Operation: 83-39=44 Exploring Operation: 83-79=4, Resulting Numbers: [39, 4] Generated Node #0,1,1: 78:[39, 4] Operation: 83-79=4 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 78:[39, 4], Operations: ['89-50=39', '83-79=4'] Exploring Operation: 39+4=43, Resulting Numbers: [43] 43,78 unequal: No Solution Exploring Operation: 39-4=35, Resulting Numbers: [35] 35,78 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 #0,1,0 Current State: 78:[79, 44], Operations: ['89-50=39', '83-39=44'] Exploring Operation: 79+44=123, Resulting Numbers: [123] 123,78 unequal: No Solution Exploring Operation: 79-44=35, Resulting Numbers: [35] 35,78 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 #0,0 Current State: 78:[50, 79, 6], Operations: ['89-83=6'] Exploring Operation: 50-6=44, Resulting Numbers: [79, 44] Generated Node #0,0,0: 78:[79, 44] Operation: 50-6=44 Exploring Operation: 79-50=29, Resulting Numbers: [6, 29] Generated Node #0,0,1: 78:[6, 29] Operation: 79-50=29 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 78:[6, 29], Operations: ['89-83=6', '79-50=29'] Exploring Operation: 29-6=23, Resulting Numbers: [23] 23,78 unequal: No Solution Exploring Operation: 6+29=35, Resulting Numbers: [35] 35,78 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 #0,0,0 Current State: 78:[79, 44], Operations: ['89-83=6', '50-6=44'] Exploring Operation: 79-44=35, Resulting Numbers: [35] 35,78 unequal: No Solution Exploring Operation: 79+44=123, Resulting Numbers: [123] 123,78 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_2
mult_heuristic
[ 14, 50, 29, 42 ]
63
[ "42/14=3", "50-29=21", "3*21=63" ]
Current State: 63:[14, 50, 29, 42], Operations: [] Exploring Operation: 42/14=3, Resulting Numbers: [50, 29, 3] Generated Node #2: [50, 29, 3] from Operation: 42/14=3 Current State: 63:[50, 29, 3], Operations: ['42/14=3'] Exploring Operation: 50-29=21, Resulting Numbers: [3, 21] Generated Node #3: [3, 21] from Operation: 50-29=21 Current State: 63:[3, 21], Operations: ['42/14=3', '50-29=21'] Exploring Operation: 3*21=63, Resulting Numbers: [63] 63,63 equal: Goal Reached
4
Current State: 63:[14, 50, 29, 42], Operations: [] Exploring Operation: 50-42=8, Resulting Numbers: [14, 29, 8] Generated Node #0,0: 63:[14, 29, 8] Operation: 50-42=8 Start Sub Search at level 1: Moving to Node #0,0 Current State: 63:[14, 29, 8], Operations: ['50-42=8'] Exploring Operation: 29-8=21, Resulting Numbers: [14, 21] Generated Node #0,0,0: 63:[14, 21] Operation: 29-8=21 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 63:[14, 21], Operations: ['50-42=8', '29-8=21'] Exploring Operation: 21-14=7, Resulting Numbers: [7] 7,63 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 79, 46, 56, 49 ]
51
[ "79-56=23", "46/23=2", "49+2=51" ]
Current State: 51:[79, 46, 56, 49], Operations: [] Exploring Operation: 79-56=23, Resulting Numbers: [46, 49, 23] Generated Node #2: [46, 49, 23] from Operation: 79-56=23 Current State: 51:[46, 49, 23], Operations: ['79-56=23'] Exploring Operation: 46/23=2, Resulting Numbers: [49, 2] Generated Node #3: [49, 2] from Operation: 46/23=2 Current State: 51:[49, 2], Operations: ['79-56=23', '46/23=2'] Exploring Operation: 49+2=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[79, 46, 56, 49], Operations: [] Exploring Operation: 79-46=33, Resulting Numbers: [56, 49, 33] Generated Node #0,0: 51:[56, 49, 33] Operation: 79-46=33 Exploring Operation: 79-56=23, Resulting Numbers: [46, 49, 23] Generated Node #0,1: 51:[46, 49, 23] Operation: 79-56=23 Start Sub Search at level 1: Moving to Node #0,1 Current State: 51:[46, 49, 23], Operations: ['79-56=23'] Exploring Operation: 49-46=3, Resulting Numbers: [23, 3] Generated Node #0,1,0: 51:[23, 3] Operation: 49-46=3 Exploring Operation: 46/23=2, Resulting Numbers: [49, 2] Generated Node #0,1,1: 51:[49, 2] Operation: 46/23=2 Moving to Node #0,1,1 Current State: 51:[49, 2], Operations: ['79-56=23', '46/23=2'] Exploring Operation: 49-2=47, Resulting Numbers: [47] 47,51 unequal: No Solution Exploring Operation: 49+2=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Moving to Node #0 Current State: 51:[79, 46, 56, 49], Operations: [] Exploring Operation: 79-56=23, Resulting Numbers: [46, 49, 23] Generated Node #0,1: 51:[46, 49, 23] Operation: 79-56=23 Moving to Node #0,1 Current State: 51:[46, 49, 23], Operations: ['79-56=23'] Exploring Operation: 46/23=2, Resulting Numbers: [49, 2] Generated Node #0,1,1: 51:[49, 2] Operation: 46/23=2 Moving to Node #0,1,1 Current State: 51:[49, 2], Operations: ['79-56=23', '46/23=2'] Exploring Operation: 49+2=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Exit Sub Search at level 1
0.991319
hs_2
mult_heuristic
[ 27, 81, 36, 5 ]
21
[ "81/27=3", "5*3=15", "36-15=21" ]
Current State: 21:[27, 81, 36, 5], Operations: [] Exploring Operation: 81/27=3, Resulting Numbers: [36, 5, 3] Generated Node #2: [36, 5, 3] from Operation: 81/27=3 Current State: 21:[36, 5, 3], Operations: ['81/27=3'] Exploring Operation: 5*3=15, Resulting Numbers: [36, 15] Generated Node #3: [36, 15] from Operation: 5*3=15 Current State: 21:[36, 15], Operations: ['81/27=3', '5*3=15'] Exploring Operation: 36-15=21, Resulting Numbers: [21] 21,21 equal: Goal Reached
4
Current State: 21:[27, 81, 36, 5], Operations: [] Exploring Operation: 81/27=3, Resulting Numbers: [36, 5, 3] Generated Node #0,0: 21:[36, 5, 3] Operation: 81/27=3 Moving to Node #0,0 Current State: 21:[36, 5, 3], Operations: ['81/27=3'] Exploring Operation: 36/3=12, Resulting Numbers: [5, 12] Generated Node #0,0,0: 21:[5, 12] Operation: 36/3=12 Moving to Node #0,0,0 Current State: 21:[5, 12], Operations: ['81/27=3', '36/3=12'] Exploring Operation: 12-5=7, Resulting Numbers: [7] 7,21 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 45, 25, 7, 94 ]
46
[ "45-25=20", "7*20=140", "140-94=46" ]
Current State: 46:[45, 25, 7, 94], Operations: [] Exploring Operation: 45-25=20, Resulting Numbers: [7, 94, 20] Generated Node #2: [7, 94, 20] from Operation: 45-25=20 Current State: 46:[7, 94, 20], Operations: ['45-25=20'] Exploring Operation: 7*20=140, Resulting Numbers: [94, 140] Generated Node #3: [94, 140] from Operation: 7*20=140 Current State: 46:[94, 140], Operations: ['45-25=20', '7*20=140'] Exploring Operation: 140-94=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
4
Current State: 46:[45, 25, 7, 94], Operations: [] Exploring Operation: 94-7=87, Resulting Numbers: [45, 25, 87] Generated Node #0,0: 46:[45, 25, 87] Operation: 94-7=87 Exploring Operation: 25-7=18, Resulting Numbers: [45, 94, 18] Generated Node #0,1: 46:[45, 94, 18] Operation: 25-7=18 Exploring Operation: 94-25=69, Resulting Numbers: [45, 7, 69] Generated Node #0,2: 46:[45, 7, 69] Operation: 94-25=69 Exploring Operation: 94-45=49, Resulting Numbers: [25, 7, 49] Generated Node #0,3: 46:[25, 7, 49] Operation: 94-45=49 Moving to Node #0,3 Current State: 46:[25, 7, 49], Operations: ['94-45=49'] Exploring Operation: 49-25=24, Resulting Numbers: [7, 24] Generated Node #0,3,0: 46:[7, 24] Operation: 49-25=24 Exploring Operation: 49-7=42, Resulting Numbers: [25, 42] Generated Node #0,3,1: 46:[25, 42] Operation: 49-7=42 Exploring Operation: 25-7=18, Resulting Numbers: [49, 18] Generated Node #0,3,2: 46:[49, 18] Operation: 25-7=18 Exploring Operation: 49/7=7, Resulting Numbers: [25, 7] Generated Node #0,3,3: 46:[25, 7] Operation: 49/7=7 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 46:[7, 24], Operations: ['94-45=49', '49-25=24'] Exploring Operation: 24-7=17, Resulting Numbers: [17] 17,46 unequal: No Solution Exploring Operation: 7+24=31, Resulting Numbers: [31] 31,46 unequal: No Solution Exploring Operation: 7*24=168, Resulting Numbers: [168] 168,46 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 46:[25, 42], Operations: ['94-45=49', '49-7=42'] Exploring Operation: 25*42=1050, Resulting Numbers: [1050] 1050,46 unequal: No Solution Exploring Operation: 25+42=67, Resulting Numbers: [67] 67,46 unequal: No Solution Exploring Operation: 42-25=17, Resulting Numbers: [17] 17,46 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 46:[25, 7], Operations: ['94-45=49', '49/7=7'] Exploring Operation: 25-7=18, Resulting Numbers: [18] 18,46 unequal: No Solution Exploring Operation: 25+7=32, Resulting Numbers: [32] 32,46 unequal: No Solution Exploring Operation: 25*7=175, Resulting Numbers: [175] 175,46 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 46:[49, 18], Operations: ['94-45=49', '25-7=18'] Exploring Operation: 49+18=67, Resulting Numbers: [67] 67,46 unequal: No Solution Exploring Operation: 49*18=882, Resulting Numbers: [882] 882,46 unequal: No Solution Exploring Operation: 49-18=31, Resulting Numbers: [31] 31,46 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 46:[45, 7, 69], Operations: ['94-25=69'] Exploring Operation: 45+7=52, Resulting Numbers: [69, 52] Generated Node #0,2,0: 46:[69, 52] Operation: 45+7=52 Exploring Operation: 69-7=62, Resulting Numbers: [45, 62] Generated Node #0,2,1: 46:[45, 62] Operation: 69-7=62 Exploring Operation: 45-7=38, Resulting Numbers: [69, 38] Generated Node #0,2,2: 46:[69, 38] Operation: 45-7=38 Exploring Operation: 69-45=24, Resulting Numbers: [7, 24] Generated Node #0,2,3: 46:[7, 24] Operation: 69-45=24 Moving to Node #0,0 Current State: 46:[45, 25, 87], Operations: ['94-7=87'] Exploring Operation: 87-45=42, Resulting Numbers: [25, 42] Generated Node #0,0,0: 46:[25, 42] Operation: 87-45=42 Exploring Operation: 87-25=62, Resulting Numbers: [45, 62] Generated Node #0,0,1: 46:[45, 62] Operation: 87-25=62 Exploring Operation: 45-25=20, Resulting Numbers: [87, 20] Generated Node #0,0,2: 46:[87, 20] Operation: 45-25=20 Exploring Operation: 45+25=70, Resulting Numbers: [87, 70] Generated Node #0,0,3: 46:[87, 70] Operation: 45+25=70 Moving to Node #0,1 Current State: 46:[45, 94, 18], Operations: ['25-7=18'] Exploring Operation: 94-18=76, Resulting Numbers: [45, 76] Generated Node #0,1,0: 46:[45, 76] Operation: 94-18=76 Exploring Operation: 45-18=27, Resulting Numbers: [94, 27] Generated Node #0,1,1: 46:[94, 27] Operation: 45-18=27 Exploring Operation: 94-45=49, Resulting Numbers: [18, 49] Generated Node #0,1,2: 46:[18, 49] Operation: 94-45=49 Exploring Operation: 45+18=63, Resulting Numbers: [94, 63] Generated Node #0,1,3: 46:[94, 63] Operation: 45+18=63 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 46:[18, 49], Operations: ['25-7=18', '94-45=49'] Exploring Operation: 18+49=67, Resulting Numbers: [67] 67,46 unequal: No Solution Exploring Operation: 49-18=31, Resulting Numbers: [31] 31,46 unequal: No Solution Exploring Operation: 18*49=882, Resulting Numbers: [882] 882,46 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 46:[45, 76], Operations: ['25-7=18', '94-18=76'] Exploring Operation: 76-45=31, Resulting Numbers: [31] 31,46 unequal: No Solution Exploring Operation: 45+76=121, Resulting Numbers: [121] 121,46 unequal: No Solution Exploring Operation: 45*76=3420, Resulting Numbers: [3420] 3420,46 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 46:[94, 27], Operations: ['25-7=18', '45-18=27'] Exploring Operation: 94*27=2538, Resulting Numbers: [2538] 2538,46 unequal: No Solution Exploring Operation: 94-27=67, Resulting Numbers: [67] 67,46 unequal: No Solution Exploring Operation: 94+27=121, Resulting Numbers: [121] 121,46 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 46:[94, 63], Operations: ['25-7=18', '45+18=63'] Exploring Operation: 94-63=31, Resulting Numbers: [31] 31,46 unequal: No Solution Exploring Operation: 94+63=157, Resulting Numbers: [157] 157,46 unequal: No Solution Exploring Operation: 94*63=5922, Resulting Numbers: [5922] 5922,46 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2,3 Current State: 46:[7, 24], Operations: ['94-25=69', '69-45=24'] Exploring Operation: 24-7=17, Resulting Numbers: [17] 17,46 unequal: No Solution Exploring Operation: 7*24=168, Resulting Numbers: [168] 168,46 unequal: No Solution Exploring Operation: 7+24=31, Resulting Numbers: [31] 31,46 unequal: No Solution Moving to Node #0,0,0 Current State: 46:[25, 42], Operations: ['94-7=87', '87-45=42'] Exploring Operation: 42-25=17, Resulting Numbers: [17] 17,46 unequal: No Solution Exploring Operation: 25+42=67, Resulting Numbers: [67] 67,46 unequal: No Solution Exploring Operation: 25*42=1050, Resulting Numbers: [1050] 1050,46 unequal: No Solution Moving to Node #0,0,1 Current State: 46:[45, 62], Operations: ['94-7=87', '87-25=62'] Exploring Operation: 45*62=2790, Resulting Numbers: [2790] 2790,46 unequal: No Solution Exploring Operation: 45+62=107, Resulting Numbers: [107] 107,46 unequal: No Solution Exploring Operation: 62-45=17, Resulting Numbers: [17] 17,46 unequal: No Solution Moving to Node #0,2,1 Current State: 46:[45, 62], Operations: ['94-25=69', '69-7=62'] Exploring Operation: 45*62=2790, Resulting Numbers: [2790] 2790,46 unequal: No Solution Exploring Operation: 45+62=107, Resulting Numbers: [107] 107,46 unequal: No Solution Exploring Operation: 62-45=17, Resulting Numbers: [17] 17,46 unequal: No Solution Moving to Node #0,2,0 Current State: 46:[69, 52], Operations: ['94-25=69', '45+7=52'] Exploring Operation: 69+52=121, Resulting Numbers: [121] 121,46 unequal: No Solution Exploring Operation: 69*52=3588, Resulting Numbers: [3588] 3588,46 unequal: No Solution Exploring Operation: 69-52=17, Resulting Numbers: [17] 17,46 unequal: No Solution Moving to Node #0,2,2 Current State: 46:[69, 38], Operations: ['94-25=69', '45-7=38'] Exploring Operation: 69*38=2622, Resulting Numbers: [2622] 2622,46 unequal: No Solution Exploring Operation: 69+38=107, Resulting Numbers: [107] 107,46 unequal: No Solution Exploring Operation: 69-38=31, Resulting Numbers: [31] 31,46 unequal: No Solution Moving to Node #0,0,2 Current State: 46:[87, 20], Operations: ['94-7=87', '45-25=20'] Exploring Operation: 87+20=107, Resulting Numbers: [107] 107,46 unequal: No Solution Exploring Operation: 87*20=1740, Resulting Numbers: [1740] 1740,46 unequal: No Solution Exploring Operation: 87-20=67, Resulting Numbers: [67] 67,46 unequal: No Solution Moving to Node #0,0,3 Current State: 46:[87, 70], Operations: ['94-7=87', '45+25=70'] Exploring Operation: 87*70=6090, Resulting Numbers: [6090] 6090,46 unequal: No Solution Exploring Operation: 87+70=157, Resulting Numbers: [157] 157,46 unequal: No Solution Exploring Operation: 87-70=17, Resulting Numbers: [17] 17,46 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 28, 22, 8, 76 ]
35
[ "28+76=104", "104/8=13", "22+13=35" ]
Current State: 35:[28, 22, 8, 76], Operations: [] Exploring Operation: 28+76=104, Resulting Numbers: [22, 8, 104] Generated Node #2: [22, 8, 104] from Operation: 28+76=104 Current State: 35:[22, 8, 104], Operations: ['28+76=104'] Exploring Operation: 104/8=13, Resulting Numbers: [22, 13] Generated Node #3: [22, 13] from Operation: 104/8=13 Current State: 35:[22, 13], Operations: ['28+76=104', '104/8=13'] Exploring Operation: 22+13=35, Resulting Numbers: [35] 35,35 equal: Goal Reached
4
Current State: 35:[28, 22, 8, 76], Operations: [] Exploring Operation: 76-28=48, Resulting Numbers: [22, 8, 48] Generated Node #0,0: 35:[22, 8, 48] Operation: 76-28=48 Exploring Operation: 22+8=30, Resulting Numbers: [28, 76, 30] Generated Node #0,1: 35:[28, 76, 30] Operation: 22+8=30 Exploring Operation: 76-8=68, Resulting Numbers: [28, 22, 68] Generated Node #0,2: 35:[28, 22, 68] Operation: 76-8=68 Exploring Operation: 76-22=54, Resulting Numbers: [28, 8, 54] Generated Node #0,3: 35:[28, 8, 54] Operation: 76-22=54 Exploring Operation: 28-22=6, Resulting Numbers: [8, 76, 6] Generated Node #0,4: 35:[8, 76, 6] Operation: 28-22=6 Start Sub Search at level 1: Moving to Node #0,0 Current State: 35:[22, 8, 48], Operations: ['76-28=48'] Exploring Operation: 22+8=30, Resulting Numbers: [48, 30] Generated Node #0,0,0: 35:[48, 30] Operation: 22+8=30 Exploring Operation: 48/8=6, Resulting Numbers: [22, 6] Generated Node #0,0,1: 35:[22, 6] Operation: 48/8=6 Exploring Operation: 48-22=26, Resulting Numbers: [8, 26] Generated Node #0,0,2: 35:[8, 26] Operation: 48-22=26 Exploring Operation: 48-8=40, Resulting Numbers: [22, 40] Generated Node #0,0,3: 35:[22, 40] Operation: 48-8=40 Exploring Operation: 22-8=14, Resulting Numbers: [48, 14] Generated Node #0,0,4: 35:[48, 14] Operation: 22-8=14 Moving to Node #0,0,2 Current State: 35:[8, 26], Operations: ['76-28=48', '48-22=26'] Exploring Operation: 8*26=208, Resulting Numbers: [208] 208,35 unequal: No Solution Exploring Operation: 8+26=34, Resulting Numbers: [34] 34,35 unequal: No Solution Exploring Operation: 26-8=18, Resulting Numbers: [18] 18,35 unequal: No Solution Moving to Node #0,0,1 Current State: 35:[22, 6], Operations: ['76-28=48', '48/8=6'] Exploring Operation: 22+6=28, Resulting Numbers: [28] 28,35 unequal: No Solution Exploring Operation: 22-6=16, Resulting Numbers: [16] 16,35 unequal: No Solution Exploring Operation: 22*6=132, Resulting Numbers: [132] 132,35 unequal: No Solution Moving to Node #0,0,0 Current State: 35:[48, 30], Operations: ['76-28=48', '22+8=30'] Exploring Operation: 48*30=1440, Resulting Numbers: [1440] 1440,35 unequal: No Solution Exploring Operation: 48-30=18, Resulting Numbers: [18] 18,35 unequal: No Solution Exploring Operation: 48+30=78, Resulting Numbers: [78] 78,35 unequal: No Solution Moving to Node #0,0,3 Current State: 35:[22, 40], Operations: ['76-28=48', '48-8=40'] Exploring Operation: 22*40=880, Resulting Numbers: [880] 880,35 unequal: No Solution Exploring Operation: 22+40=62, Resulting Numbers: [62] 62,35 unequal: No Solution Exploring Operation: 40-22=18, Resulting Numbers: [18] 18,35 unequal: No Solution Moving to Node #0,0,4 Current State: 35:[48, 14], Operations: ['76-28=48', '22-8=14'] Exploring Operation: 48-14=34, Resulting Numbers: [34] 34,35 unequal: No Solution Exploring Operation: 48*14=672, Resulting Numbers: [672] 672,35 unequal: No Solution Exploring Operation: 48+14=62, Resulting Numbers: [62] 62,35 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 #0,3 Current State: 35:[28, 8, 54], Operations: ['76-22=54'] Exploring Operation: 54-8=46, Resulting Numbers: [28, 46] Generated Node #0,3,0: 35:[28, 46] Operation: 54-8=46 Exploring Operation: 8+54=62, Resulting Numbers: [28, 62] Generated Node #0,3,1: 35:[28, 62] Operation: 8+54=62 Exploring Operation: 54-28=26, Resulting Numbers: [8, 26] Generated Node #0,3,2: 35:[8, 26] Operation: 54-28=26 Exploring Operation: 28-8=20, Resulting Numbers: [54, 20] Generated Node #0,3,3: 35:[54, 20] Operation: 28-8=20 Exploring Operation: 28+8=36, Resulting Numbers: [54, 36] Generated Node #0,3,4: 35:[54, 36] Operation: 28+8=36 Moving to Node #0,3,2 Current State: 35:[8, 26], Operations: ['76-22=54', '54-28=26'] Exploring Operation: 26-8=18, Resulting Numbers: [18] 18,35 unequal: No Solution Exploring Operation: 8*26=208, Resulting Numbers: [208] 208,35 unequal: No Solution Exploring Operation: 8+26=34, Resulting Numbers: [34] 34,35 unequal: No Solution Moving to Node #0,3,0 Current State: 35:[28, 46], Operations: ['76-22=54', '54-8=46'] Exploring Operation: 28*46=1288, Resulting Numbers: [1288] 1288,35 unequal: No Solution Exploring Operation: 28+46=74, Resulting Numbers: [74] 74,35 unequal: No Solution Exploring Operation: 46-28=18, Resulting Numbers: [18] 18,35 unequal: No Solution Moving to Node #0,3,4 Current State: 35:[54, 36], Operations: ['76-22=54', '28+8=36'] Exploring Operation: 54*36=1944, Resulting Numbers: [1944] 1944,35 unequal: No Solution Exploring Operation: 54-36=18, Resulting Numbers: [18] 18,35 unequal: No Solution Exploring Operation: 54+36=90, Resulting Numbers: [90] 90,35 unequal: No Solution Moving to Node #0,3,3 Current State: 35:[54, 20], Operations: ['76-22=54', '28-8=20'] Exploring Operation: 54-20=34, Resulting Numbers: [34] 34,35 unequal: No Solution Exploring Operation: 54+20=74, Resulting Numbers: [74] 74,35 unequal: No Solution Exploring Operation: 54*20=1080, Resulting Numbers: [1080] 1080,35 unequal: No Solution Moving to Node #0,3,1 Current State: 35:[28, 62], Operations: ['76-22=54', '8+54=62'] Exploring Operation: 28+62=90, Resulting Numbers: [90] 90,35 unequal: No Solution Exploring Operation: 62-28=34, Resulting Numbers: [34] 34,35 unequal: No Solution Exploring Operation: 28*62=1736, Resulting Numbers: [1736] 1736,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 35:[8, 76, 6], Operations: ['28-22=6'] Exploring Operation: 76-6=70, Resulting Numbers: [8, 70] Generated Node #0,4,0: 35:[8, 70] Operation: 76-6=70 Exploring Operation: 8-6=2, Resulting Numbers: [76, 2] Generated Node #0,4,1: 35:[76, 2] Operation: 8-6=2 Exploring Operation: 76+6=82, Resulting Numbers: [8, 82] Generated Node #0,4,2: 35:[8, 82] Operation: 76+6=82 Exploring Operation: 76-8=68, Resulting Numbers: [6, 68] Generated Node #0,4,3: 35:[6, 68] Operation: 76-8=68 Exploring Operation: 8+6=14, Resulting Numbers: [76, 14] Generated Node #0,4,4: 35:[76, 14] Operation: 8+6=14 Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 35:[6, 68], Operations: ['28-22=6', '76-8=68'] Exploring Operation: 6*68=408, Resulting Numbers: [408] 408,35 unequal: No Solution Exploring Operation: 68-6=62, Resulting Numbers: [62] 62,35 unequal: No Solution Exploring Operation: 6+68=74, Resulting Numbers: [74] 74,35 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 35:[8, 70], Operations: ['28-22=6', '76-6=70'] Exploring Operation: 70-8=62, Resulting Numbers: [62] 62,35 unequal: No Solution Exploring Operation: 8+70=78, Resulting Numbers: [78] 78,35 unequal: No Solution Exploring Operation: 8*70=560, Resulting Numbers: [560] 560,35 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 35:[76, 2], Operations: ['28-22=6', '8-6=2'] Exploring Operation: 76*2=152, Resulting Numbers: [152] 152,35 unequal: No Solution Exploring Operation: 76+2=78, Resulting Numbers: [78] 78,35 unequal: No Solution Exploring Operation: 76/2=38, Resulting Numbers: [38] 38,35 unequal: No Solution Exploring Operation: 76-2=74, Resulting Numbers: [74] 74,35 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 35:[8, 82], Operations: ['28-22=6', '76+6=82'] Exploring Operation: 8+82=90, Resulting Numbers: [90] 90,35 unequal: No Solution Exploring Operation: 82-8=74, Resulting Numbers: [74] 74,35 unequal: No Solution Exploring Operation: 8*82=656, Resulting Numbers: [656] 656,35 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 35:[76, 14], Operations: ['28-22=6', '8+6=14'] Exploring Operation: 76*14=1064, Resulting Numbers: [1064] 1064,35 unequal: No Solution Exploring Operation: 76-14=62, Resulting Numbers: [62] 62,35 unequal: No Solution Exploring Operation: 76+14=90, Resulting Numbers: [90] 90,35 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 35:[28, 76, 30], Operations: ['22+8=30'] Exploring Operation: 28+30=58, Resulting Numbers: [76, 58] Generated Node #0,1,0: 35:[76, 58] Operation: 28+30=58 Exploring Operation: 76-30=46, Resulting Numbers: [28, 46] Generated Node #0,1,1: 35:[28, 46] Operation: 76-30=46 Exploring Operation: 28+76=104, Resulting Numbers: [30, 104] Generated Node #0,1,2: 35:[30, 104] Operation: 28+76=104 Exploring Operation: 76-28=48, Resulting Numbers: [30, 48] Generated Node #0,1,3: 35:[30, 48] Operation: 76-28=48 Exploring Operation: 30-28=2, Resulting Numbers: [76, 2] Generated Node #0,1,4: 35:[76, 2] Operation: 30-28=2 Moving to Node #0,1,1 Current State: 35:[28, 46], Operations: ['22+8=30', '76-30=46'] Exploring Operation: 28+46=74, Resulting Numbers: [74] 74,35 unequal: No Solution Exploring Operation: 28*46=1288, Resulting Numbers: [1288] 1288,35 unequal: No Solution Exploring Operation: 46-28=18, Resulting Numbers: [18] 18,35 unequal: No Solution Moving to Node #0,1,3 Current State: 35:[30, 48], Operations: ['22+8=30', '76-28=48'] Exploring Operation: 30+48=78, Resulting Numbers: [78] 78,35 unequal: No Solution Exploring Operation: 48-30=18, Resulting Numbers: [18] 18,35 unequal: No Solution Exploring Operation: 30*48=1440, Resulting Numbers: [1440] 1440,35 unequal: No Solution Moving to Node #0,1,4 Current State: 35:[76, 2], Operations: ['22+8=30', '30-28=2'] Exploring Operation: 76*2=152, Resulting Numbers: [152] 152,35 unequal: No Solution Exploring Operation: 76/2=38, Resulting Numbers: [38] 38,35 unequal: No Solution Exploring Operation: 76-2=74, Resulting Numbers: [74] 74,35 unequal: No Solution Exploring Operation: 76+2=78, Resulting Numbers: [78] 78,35 unequal: No Solution Moving to Node #0,1,0 Current State: 35:[76, 58], Operations: ['22+8=30', '28+30=58'] Exploring Operation: 76*58=4408, Resulting Numbers: [4408] 4408,35 unequal: No Solution Exploring Operation: 76+58=134, Resulting Numbers: [134] 134,35 unequal: No Solution Exploring Operation: 76-58=18, Resulting Numbers: [18] 18,35 unequal: No Solution Moving to Node #0,1,2 Current State: 35:[30, 104], Operations: ['22+8=30', '28+76=104'] Exploring Operation: 30+104=134, Resulting Numbers: [134] 134,35 unequal: No Solution Exploring Operation: 30*104=3120, Resulting Numbers: [3120] 3120,35 unequal: No Solution Exploring Operation: 104-30=74, Resulting Numbers: [74] 74,35 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:[28, 22, 68], Operations: ['76-8=68'] Exploring Operation: 22+68=90, Resulting Numbers: [28, 90] Generated Node #0,2,0: 35:[28, 90] Operation: 22+68=90 Exploring Operation: 68-28=40, Resulting Numbers: [22, 40] Generated Node #0,2,1: 35:[22, 40] Operation: 68-28=40 Exploring Operation: 68-22=46, Resulting Numbers: [28, 46] Generated Node #0,2,2: 35:[28, 46] Operation: 68-22=46 Exploring Operation: 28+22=50, Resulting Numbers: [68, 50] Generated Node #0,2,3: 35:[68, 50] Operation: 28+22=50 Exploring Operation: 28-22=6, Resulting Numbers: [68, 6] Generated Node #0,2,4: 35:[68, 6] Operation: 28-22=6 Moving to Node #0,2,1 Current State: 35:[22, 40], Operations: ['76-8=68', '68-28=40'] Exploring Operation: 22*40=880, Resulting Numbers: [880] 880,35 unequal: No Solution Exploring Operation: 40-22=18, Resulting Numbers: [18] 18,35 unequal: No Solution Exploring Operation: 22+40=62, Resulting Numbers: [62] 62,35 unequal: No Solution Moving to Node #0,2,2 Current State: 35:[28, 46], Operations: ['76-8=68', '68-22=46'] Exploring Operation: 46-28=18, Resulting Numbers: [18] 18,35 unequal: No Solution Exploring Operation: 28+46=74, Resulting Numbers: [74] 74,35 unequal: No Solution Exploring Operation: 28*46=1288, Resulting Numbers: [1288] 1288,35 unequal: No Solution Moving to Node #0,2,4 Current State: 35:[68, 6], Operations: ['76-8=68', '28-22=6'] Exploring Operation: 68+6=74, Resulting Numbers: [74] 74,35 unequal: No Solution Exploring Operation: 68*6=408, Resulting Numbers: [408] 408,35 unequal: No Solution Exploring Operation: 68-6=62, Resulting Numbers: [62] 62,35 unequal: No Solution Moving to Node #0,2,3 Current State: 35:[68, 50], Operations: ['76-8=68', '28+22=50'] Exploring Operation: 68+50=118, Resulting Numbers: [118] 118,35 unequal: No Solution Exploring Operation: 68*50=3400, Resulting Numbers: [3400] 3400,35 unequal: No Solution Exploring Operation: 68-50=18, Resulting Numbers: [18] 18,35 unequal: No Solution Moving to Node #0,2,0 Current State: 35:[28, 90], Operations: ['76-8=68', '22+68=90'] Exploring Operation: 28+90=118, Resulting Numbers: [118] 118,35 unequal: No Solution Exploring Operation: 28*90=2520, Resulting Numbers: [2520] 2520,35 unequal: No Solution Exploring Operation: 90-28=62, Resulting Numbers: [62] 62,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
sum_heuristic
[ 92, 89, 60, 3 ]
60
[ "92-89=3", "60+3=63", "63-3=60" ]
Current State: 60:[92, 89, 60, 3], Operations: [] Exploring Operation: 92-89=3, Resulting Numbers: [60, 3, 3] Generated Node #2: [60, 3, 3] from Operation: 92-89=3 Current State: 60:[60, 3, 3], Operations: ['92-89=3'] Exploring Operation: 60+3=63, Resulting Numbers: [63] 63,60 equal: Goal Reached Exploring Operation: 63-3=60, Resulting Numbers: [60] 60,60 equal: Goal Reached
4
Current State: 60:[92, 89, 60, 3], Operations: [] Exploring Operation: 92-60=32, Resulting Numbers: [89, 3, 32] Generated Node #0,0: 60:[89, 3, 32] Operation: 92-60=32 Exploring Operation: 92-3=89, Resulting Numbers: [89, 60, 89] Generated Node #0,1: 60:[89, 60, 89] Operation: 92-3=89 Exploring Operation: 92-89=3, Resulting Numbers: [60, 3, 3] Generated Node #0,2: 60:[60, 3, 3] Operation: 92-89=3 Exploring Operation: 89-60=29, Resulting Numbers: [92, 3, 29] Generated Node #0,3: 60:[92, 3, 29] Operation: 89-60=29 Moving to Node #0,2 Current State: 60:[60, 3, 3], Operations: ['92-89=3'] Exploring Operation: 3*3=9, Resulting Numbers: [60, 9] Generated Node #0,2,0: 60:[60, 9] Operation: 3*3=9 Exploring Operation: 60/3=20, Resulting Numbers: [3, 20] Generated Node #0,2,1: 60:[3, 20] Operation: 60/3=20 Exploring Operation: 3+3=6, Resulting Numbers: [60, 6] Generated Node #0,2,2: 60:[60, 6] Operation: 3+3=6 Exploring Operation: 60/3=20, Resulting Numbers: [3, 20] Generated Node #0,2,3: 60:[3, 20] Operation: 60/3=20 Moving to Node #0,0 Current State: 60:[89, 3, 32], Operations: ['92-60=32'] Exploring Operation: 89-3=86, Resulting Numbers: [32, 86] Generated Node #0,0,0: 60:[32, 86] Operation: 89-3=86 Exploring Operation: 32-3=29, Resulting Numbers: [89, 29] Generated Node #0,0,1: 60:[89, 29] Operation: 32-3=29 Exploring Operation: 89-32=57, Resulting Numbers: [3, 57] Generated Node #0,0,2: 60:[3, 57] Operation: 89-32=57 Exploring Operation: 89+3=92, Resulting Numbers: [32, 92] Generated Node #0,0,3: 60:[32, 92] Operation: 89+3=92 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 60:[3, 57], Operations: ['92-60=32', '89-32=57'] Exploring Operation: 3*57=171, Resulting Numbers: [171] 171,60 unequal: No Solution Exploring Operation: 57/3=19, Resulting Numbers: [19] 19,60 unequal: No Solution Exploring Operation: 3+57=60, Resulting Numbers: [60] 60,60 equal: Goal Reached Moving to Node #0 Current State: 60:[92, 89, 60, 3], Operations: [] Exploring Operation: 92-60=32, Resulting Numbers: [89, 3, 32] Generated Node #0,0: 60:[89, 3, 32] Operation: 92-60=32 Moving to Node #0,0 Current State: 60:[89, 3, 32], Operations: ['92-60=32'] Exploring Operation: 89-32=57, Resulting Numbers: [3, 57] Generated Node #0,0,2: 60:[3, 57] Operation: 89-32=57 Moving to Node #0,0,2 Current State: 60:[3, 57], Operations: ['92-60=32', '89-32=57'] Exploring Operation: 3+57=60, Resulting Numbers: [60] 60,60 equal: Goal Reached Exit Sub Search at level 1
0.983507
hs_4
sum_heuristic
[ 95, 53, 45, 28 ]
75
[ "95+53=148", "45+28=73", "148-73=75" ]
Current State: 75:[95, 53, 45, 28], Operations: [] Exploring Operation: 95+53=148, Resulting Numbers: [45, 28, 148] Generated Node #2: [45, 28, 148] from Operation: 95+53=148 Current State: 75:[45, 28, 148], Operations: ['95+53=148'] Exploring Operation: 45+28=73, Resulting Numbers: [148, 73] Generated Node #3: [148, 73] from Operation: 45+28=73 Current State: 75:[148, 73], Operations: ['95+53=148', '45+28=73'] Exploring Operation: 148-73=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
4
Current State: 75:[95, 53, 45, 28], Operations: [] Exploring Operation: 45-28=17, Resulting Numbers: [95, 53, 17] Generated Node #0,0: 75:[95, 53, 17] Operation: 45-28=17 Exploring Operation: 95-53=42, Resulting Numbers: [45, 28, 42] Generated Node #0,1: 75:[45, 28, 42] Operation: 95-53=42 Exploring Operation: 45+28=73, Resulting Numbers: [95, 53, 73] Generated Node #0,2: 75:[95, 53, 73] Operation: 45+28=73 Exploring Operation: 53-28=25, Resulting Numbers: [95, 45, 25] Generated Node #0,3: 75:[95, 45, 25] Operation: 53-28=25 Exploring Operation: 53-45=8, Resulting Numbers: [95, 28, 8] Generated Node #0,4: 75:[95, 28, 8] Operation: 53-45=8 Start Sub Search at level 1: Moving to Node #0,4 Current State: 75:[95, 28, 8], Operations: ['53-45=8'] Exploring Operation: 95-8=87, Resulting Numbers: [28, 87] Generated Node #0,4,0: 75:[28, 87] Operation: 95-8=87 Exploring Operation: 28+8=36, Resulting Numbers: [95, 36] Generated Node #0,4,1: 75:[95, 36] Operation: 28+8=36 Exploring Operation: 28-8=20, Resulting Numbers: [95, 20] Generated Node #0,4,2: 75:[95, 20] Operation: 28-8=20 Exploring Operation: 95+8=103, Resulting Numbers: [28, 103] Generated Node #0,4,3: 75:[28, 103] Operation: 95+8=103 Exploring Operation: 95-28=67, Resulting Numbers: [8, 67] Generated Node #0,4,4: 75:[8, 67] Operation: 95-28=67 Moving to Node #0,4,4 Current State: 75:[8, 67], Operations: ['53-45=8', '95-28=67'] Exploring Operation: 8*67=536, Resulting Numbers: [536] 536,75 unequal: No Solution Exploring Operation: 8+67=75, Resulting Numbers: [75] 75,75 equal: Goal Reached Moving to Node #0 Current State: 75:[95, 53, 45, 28], Operations: [] Exploring Operation: 53-45=8, Resulting Numbers: [95, 28, 8] Generated Node #0,4: 75:[95, 28, 8] Operation: 53-45=8 Moving to Node #0,4 Current State: 75:[95, 28, 8], Operations: ['53-45=8'] Exploring Operation: 95-28=67, Resulting Numbers: [8, 67] Generated Node #0,4,4: 75:[8, 67] Operation: 95-28=67 Moving to Node #0,4,4 Current State: 75:[8, 67], Operations: ['53-45=8', '95-28=67'] Exploring Operation: 8+67=75, Resulting Numbers: [75] 75,75 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_5
mult_heuristic
[ 85, 77, 45, 54 ]
18
[ "85+77=162", "54-45=9", "162/9=18" ]
Current State: 18:[85, 77, 45, 54], Operations: [] Exploring Operation: 85+77=162, Resulting Numbers: [45, 54, 162] Generated Node #2: [45, 54, 162] from Operation: 85+77=162 Current State: 18:[45, 54, 162], Operations: ['85+77=162'] Exploring Operation: 54-45=9, Resulting Numbers: [162, 9] Generated Node #3: [162, 9] from Operation: 54-45=9 Current State: 18:[162, 9], Operations: ['85+77=162', '54-45=9'] Exploring Operation: 162/9=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[85, 77, 45, 54], Operations: [] Exploring Operation: 85-54=31, Resulting Numbers: [77, 45, 31] Generated Node #0,0: 18:[77, 45, 31] Operation: 85-54=31 Exploring Operation: 85-77=8, Resulting Numbers: [45, 54, 8] Generated Node #0,1: 18:[45, 54, 8] Operation: 85-77=8 Moving to Node #0,1 Current State: 18:[45, 54, 8], Operations: ['85-77=8'] Exploring Operation: 45-8=37, Resulting Numbers: [54, 37] Generated Node #0,1,0: 18:[54, 37] Operation: 45-8=37 Exploring Operation: 54-45=9, Resulting Numbers: [8, 9] Generated Node #0,1,1: 18:[8, 9] Operation: 54-45=9 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 18:[8, 9], Operations: ['85-77=8', '54-45=9'] Exploring Operation: 8+9=17, Resulting Numbers: [17] 17,18 unequal: No Solution Exploring Operation: 9-8=1, Resulting Numbers: [1] 1,18 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 18:[54, 37], Operations: ['85-77=8', '45-8=37'] Exploring Operation: 54+37=91, Resulting Numbers: [91] 91,18 unequal: No Solution Exploring Operation: 54-37=17, Resulting Numbers: [17] 17,18 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: 18:[77, 45, 31], Operations: ['85-54=31'] Exploring Operation: 77-45=32, Resulting Numbers: [31, 32] Generated Node #0,0,0: 18:[31, 32] Operation: 77-45=32 Exploring Operation: 77-31=46, Resulting Numbers: [45, 46] Generated Node #0,0,1: 18:[45, 46] Operation: 77-31=46 Moving to Node #0,0,0 Current State: 18:[31, 32], Operations: ['85-54=31', '77-45=32'] Exploring Operation: 31+32=63, Resulting Numbers: [63] 63,18 unequal: No Solution Exploring Operation: 32-31=1, Resulting Numbers: [1] 1,18 unequal: No Solution Moving to Node #0,0,1 Current State: 18:[45, 46], Operations: ['85-54=31', '77-31=46'] Exploring Operation: 46-45=1, Resulting Numbers: [1] 1,18 unequal: No Solution Exploring Operation: 45+46=91, Resulting Numbers: [91] 91,18 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 81, 75, 16, 49 ]
71
[ "81-75=6", "16+49=65", "6+65=71" ]
Current State: 71:[81, 75, 16, 49], Operations: [] Exploring Operation: 81-75=6, Resulting Numbers: [16, 49, 6] Generated Node #2: [16, 49, 6] from Operation: 81-75=6 Current State: 71:[16, 49, 6], Operations: ['81-75=6'] Exploring Operation: 16+49=65, Resulting Numbers: [6, 65] Generated Node #3: [6, 65] from Operation: 16+49=65 Current State: 71:[6, 65], Operations: ['81-75=6', '16+49=65'] Exploring Operation: 6+65=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
4
Current State: 71:[81, 75, 16, 49], Operations: [] Exploring Operation: 81+16=97, Resulting Numbers: [75, 49, 97] Generated Node #0,0: 71:[75, 49, 97] Operation: 81+16=97 Exploring Operation: 75-16=59, Resulting Numbers: [81, 49, 59] Generated Node #0,1: 71:[81, 49, 59] Operation: 75-16=59 Exploring Operation: 75+16=91, Resulting Numbers: [81, 49, 91] Generated Node #0,2: 71:[81, 49, 91] Operation: 75+16=91 Exploring Operation: 81-16=65, Resulting Numbers: [75, 49, 65] Generated Node #0,3: 71:[75, 49, 65] Operation: 81-16=65 Exploring Operation: 16+49=65, Resulting Numbers: [81, 75, 65] Generated Node #0,4: 71:[81, 75, 65] Operation: 16+49=65 Moving to Node #0,4 Current State: 71:[81, 75, 65], Operations: ['16+49=65'] Exploring Operation: 75-65=10, Resulting Numbers: [81, 10] Generated Node #0,4,0: 71:[81, 10] Operation: 75-65=10 Exploring Operation: 75+65=140, Resulting Numbers: [81, 140] Generated Node #0,4,1: 71:[81, 140] Operation: 75+65=140 Exploring Operation: 81+65=146, Resulting Numbers: [75, 146] Generated Node #0,4,2: 71:[75, 146] Operation: 81+65=146 Exploring Operation: 81-65=16, Resulting Numbers: [75, 16] Generated Node #0,4,3: 71:[75, 16] Operation: 81-65=16 Exploring Operation: 81-75=6, Resulting Numbers: [65, 6] Generated Node #0,4,4: 71:[65, 6] Operation: 81-75=6 Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 71:[75, 16], Operations: ['16+49=65', '81-65=16'] Exploring Operation: 75*16=1200, Resulting Numbers: [1200] 1200,71 unequal: No Solution Exploring Operation: 75-16=59, Resulting Numbers: [59] 59,71 unequal: No Solution Exploring Operation: 75+16=91, Resulting Numbers: [91] 91,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 71:[81, 10], Operations: ['16+49=65', '75-65=10'] Exploring Operation: 81-10=71, Resulting Numbers: [71] 71,71 equal: Goal Reached Moving to Node #0 Current State: 71:[81, 75, 16, 49], Operations: [] Exploring Operation: 16+49=65, Resulting Numbers: [81, 75, 65] Generated Node #0,4: 71:[81, 75, 65] Operation: 16+49=65 Moving to Node #0,4 Current State: 71:[81, 75, 65], Operations: ['16+49=65'] Exploring Operation: 75-65=10, Resulting Numbers: [81, 10] Generated Node #0,4,0: 71:[81, 10] Operation: 75-65=10 Moving to Node #0,4,0 Current State: 71:[81, 10], Operations: ['16+49=65', '75-65=10'] Exploring Operation: 81-10=71, Resulting Numbers: [71] 71,71 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_5
sum_heuristic
[ 34, 77, 27, 72 ]
61
[ "34-27=7", "77/7=11", "72-11=61" ]
Current State: 61:[34, 77, 27, 72], Operations: [] Exploring Operation: 34-27=7, Resulting Numbers: [77, 72, 7] Generated Node #2: [77, 72, 7] from Operation: 34-27=7 Current State: 61:[77, 72, 7], Operations: ['34-27=7'] Exploring Operation: 77/7=11, Resulting Numbers: [72, 11] Generated Node #3: [72, 11] from Operation: 77/7=11 Current State: 61:[72, 11], Operations: ['34-27=7', '77/7=11'] Exploring Operation: 72-11=61, Resulting Numbers: [61] 61,61 equal: Goal Reached
4
Current State: 61:[34, 77, 27, 72], Operations: [] Exploring Operation: 34+27=61, Resulting Numbers: [77, 72, 61] Generated Node #0,0: 61:[77, 72, 61] Operation: 34+27=61 Moving to Node #0,0 Current State: 61:[77, 72, 61], Operations: ['34+27=61'] Exploring Operation: 77-72=5, Resulting Numbers: [61, 5] Generated Node #0,0,0: 61:[61, 5] Operation: 77-72=5 Moving to Node #0,0,0 Current State: 61:[61, 5], Operations: ['34+27=61', '77-72=5'] Exploring Operation: 61+5=66, Resulting Numbers: [66] 66,61 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 24, 80, 56, 32 ]
80
[ "24+80=104", "56-32=24", "104-24=80" ]
Current State: 80:[24, 80, 56, 32], Operations: [] Exploring Operation: 24+80=104, Resulting Numbers: [56, 32, 104] Generated Node #2: [56, 32, 104] from Operation: 24+80=104 Current State: 80:[56, 32, 104], Operations: ['24+80=104'] Exploring Operation: 56-32=24, Resulting Numbers: [104, 24] Generated Node #3: [104, 24] from Operation: 56-32=24 Current State: 80:[104, 24], Operations: ['24+80=104', '56-32=24'] Exploring Operation: 104-24=80, Resulting Numbers: [80] 80,80 equal: Goal Reached
4
Current State: 80:[24, 80, 56, 32], Operations: [] Exploring Operation: 56-24=32, Resulting Numbers: [80, 32, 32] Generated Node #0,0: 80:[80, 32, 32] Operation: 56-24=32 Exploring Operation: 56-32=24, Resulting Numbers: [24, 80, 24] Generated Node #0,1: 80:[24, 80, 24] Operation: 56-32=24 Exploring Operation: 24+56=80, Resulting Numbers: [80, 32, 80] Generated Node #0,2: 80:[80, 32, 80] Operation: 24+56=80 Exploring Operation: 56+32=88, Resulting Numbers: [24, 80, 88] Generated Node #0,3: 80:[24, 80, 88] Operation: 56+32=88 Start Sub Search at level 1: Moving to Node #0,1 Current State: 80:[24, 80, 24], Operations: ['56-32=24'] Exploring Operation: 80-24=56, Resulting Numbers: [24, 56] Generated Node #0,1,0: 80:[24, 56] Operation: 80-24=56 Exploring Operation: 24-24=0, Resulting Numbers: [80, 0] Generated Node #0,1,1: 80:[80, 0] Operation: 24-24=0 Exploring Operation: 24/24=1, Resulting Numbers: [80, 1] Generated Node #0,1,2: 80:[80, 1] Operation: 24/24=1 Exploring Operation: 24+24=48, Resulting Numbers: [80, 48] Generated Node #0,1,3: 80:[80, 48] Operation: 24+24=48 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 80:[80, 1], Operations: ['56-32=24', '24/24=1'] Exploring Operation: 80*1=80, Resulting Numbers: [80] 80,80 equal: Goal Reached Moving to Node #0 Current State: 80:[24, 80, 56, 32], Operations: [] Exploring Operation: 56-32=24, Resulting Numbers: [24, 80, 24] Generated Node #0,1: 80:[24, 80, 24] Operation: 56-32=24 Moving to Node #0,1 Current State: 80:[24, 80, 24], Operations: ['56-32=24'] Exploring Operation: 24/24=1, Resulting Numbers: [80, 1] Generated Node #0,1,2: 80:[80, 1] Operation: 24/24=1 Moving to Node #0,1,2 Current State: 80:[80, 1], Operations: ['56-32=24', '24/24=1'] Exploring Operation: 80*1=80, Resulting Numbers: [80] 80,80 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.988715
hs_4
mult_heuristic
[ 87, 73, 49, 70 ]
54
[ "87-73=14", "70/14=5", "49+5=54" ]
Current State: 54:[87, 73, 49, 70], Operations: [] Exploring Operation: 87-73=14, Resulting Numbers: [49, 70, 14] Generated Node #2: [49, 70, 14] from Operation: 87-73=14 Current State: 54:[49, 70, 14], Operations: ['87-73=14'] Exploring Operation: 70/14=5, Resulting Numbers: [49, 5] Generated Node #3: [49, 5] from Operation: 70/14=5 Current State: 54:[49, 5], Operations: ['87-73=14', '70/14=5'] Exploring Operation: 49+5=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
4
Current State: 54:[87, 73, 49, 70], Operations: [] Exploring Operation: 87-73=14, Resulting Numbers: [49, 70, 14] Generated Node #0,0: 54:[49, 70, 14] Operation: 87-73=14 Moving to Node #0,0 Current State: 54:[49, 70, 14], Operations: ['87-73=14'] Exploring Operation: 70/14=5, Resulting Numbers: [49, 5] Generated Node #0,0,0: 54:[49, 5] Operation: 70/14=5 Moving to Node #0,0,0 Current State: 54:[49, 5], Operations: ['87-73=14', '70/14=5'] Exploring Operation: 49+5=54, Resulting Numbers: [54] 54,54 equal: Goal Reached Moving to Node #0 Current State: 54:[87, 73, 49, 70], Operations: [] Exploring Operation: 87-73=14, Resulting Numbers: [49, 70, 14] Generated Node #0,0: 54:[49, 70, 14] Operation: 87-73=14 Moving to Node #0,0 Current State: 54:[49, 70, 14], Operations: ['87-73=14'] Exploring Operation: 70/14=5, Resulting Numbers: [49, 5] Generated Node #0,0,0: 54:[49, 5] Operation: 70/14=5 Moving to Node #0,0,0 Current State: 54:[49, 5], Operations: ['87-73=14', '70/14=5'] Exploring Operation: 49+5=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
0.993924
hs_1
sum_heuristic
[ 75, 99, 98, 17 ]
16
[ "75+99=174", "98+174=272", "272/17=16" ]
Current State: 16:[75, 99, 98, 17], Operations: [] Exploring Operation: 75+99=174, Resulting Numbers: [98, 17, 174] Generated Node #2: [98, 17, 174] from Operation: 75+99=174 Current State: 16:[98, 17, 174], Operations: ['75+99=174'] Exploring Operation: 98+174=272, Resulting Numbers: [17, 272] Generated Node #3: [17, 272] from Operation: 98+174=272 Current State: 16:[17, 272], Operations: ['75+99=174', '98+174=272'] Exploring Operation: 272/17=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[75, 99, 98, 17], Operations: [] Exploring Operation: 99-98=1, Resulting Numbers: [75, 17, 1] Generated Node #0,0: 16:[75, 17, 1] Operation: 99-98=1 Exploring Operation: 98-75=23, Resulting Numbers: [99, 17, 23] Generated Node #0,1: 16:[99, 17, 23] Operation: 98-75=23 Exploring Operation: 99-17=82, Resulting Numbers: [75, 98, 82] Generated Node #0,2: 16:[75, 98, 82] Operation: 99-17=82 Exploring Operation: 75-17=58, Resulting Numbers: [99, 98, 58] Generated Node #0,3: 16:[99, 98, 58] Operation: 75-17=58 Exploring Operation: 99-75=24, Resulting Numbers: [98, 17, 24] Generated Node #0,4: 16:[98, 17, 24] Operation: 99-75=24 Moving to Node #0,0 Current State: 16:[75, 17, 1], Operations: ['99-98=1'] Exploring Operation: 17-1=16, Resulting Numbers: [75, 16] Generated Node #0,0,0: 16:[75, 16] Operation: 17-1=16 Exploring Operation: 75-17=58, Resulting Numbers: [1, 58] Generated Node #0,0,1: 16:[1, 58] Operation: 75-17=58 Exploring Operation: 75*1=75, Resulting Numbers: [17, 75] Generated Node #0,0,2: 16:[17, 75] Operation: 75*1=75 Exploring Operation: 75/1=75, Resulting Numbers: [17, 75] Generated Node #0,0,3: 16:[17, 75] Operation: 75/1=75 Exploring Operation: 75-1=74, Resulting Numbers: [17, 74] Generated Node #0,0,4: 16:[17, 74] Operation: 75-1=74 Moving to Node #0,4 Current State: 16:[98, 17, 24], Operations: ['99-75=24'] Exploring Operation: 98+24=122, Resulting Numbers: [17, 122] Generated Node #0,4,0: 16:[17, 122] Operation: 98+24=122 Exploring Operation: 98+17=115, Resulting Numbers: [24, 115] Generated Node #0,4,1: 16:[24, 115] Operation: 98+17=115 Exploring Operation: 98-17=81, Resulting Numbers: [24, 81] Generated Node #0,4,2: 16:[24, 81] Operation: 98-17=81 Exploring Operation: 98-24=74, Resulting Numbers: [17, 74] Generated Node #0,4,3: 16:[17, 74] Operation: 98-24=74 Exploring Operation: 24-17=7, Resulting Numbers: [98, 7] Generated Node #0,4,4: 16:[98, 7] Operation: 24-17=7 Moving to Node #0,1 Current State: 16:[99, 17, 23], Operations: ['98-75=23'] Exploring Operation: 99-17=82, Resulting Numbers: [23, 82] Generated Node #0,1,0: 16:[23, 82] Operation: 99-17=82 Exploring Operation: 99+23=122, Resulting Numbers: [17, 122] Generated Node #0,1,1: 16:[17, 122] Operation: 99+23=122 Exploring Operation: 99+17=116, Resulting Numbers: [23, 116] Generated Node #0,1,2: 16:[23, 116] Operation: 99+17=116 Exploring Operation: 99-23=76, Resulting Numbers: [17, 76] Generated Node #0,1,3: 16:[17, 76] Operation: 99-23=76 Exploring Operation: 23-17=6, Resulting Numbers: [99, 6] Generated Node #0,1,4: 16:[99, 6] Operation: 23-17=6 Moving to Node #0,2 Current State: 16:[75, 98, 82], Operations: ['99-17=82'] Exploring Operation: 98-75=23, Resulting Numbers: [82, 23] Generated Node #0,2,0: 16:[82, 23] Operation: 98-75=23 Exploring Operation: 75+82=157, Resulting Numbers: [98, 157] Generated Node #0,2,1: 16:[98, 157] Operation: 75+82=157 Exploring Operation: 75+98=173, Resulting Numbers: [82, 173] Generated Node #0,2,2: 16:[82, 173] Operation: 75+98=173 Exploring Operation: 82-75=7, Resulting Numbers: [98, 7] Generated Node #0,2,3: 16:[98, 7] Operation: 82-75=7 Exploring Operation: 98-82=16, Resulting Numbers: [75, 16] Generated Node #0,2,4: 16:[75, 16] Operation: 98-82=16 Moving to Node #0,3 Current State: 16:[99, 98, 58], Operations: ['75-17=58'] Exploring Operation: 99+58=157, Resulting Numbers: [98, 157] Generated Node #0,3,0: 16:[98, 157] Operation: 99+58=157 Exploring Operation: 99-98=1, Resulting Numbers: [58, 1] Generated Node #0,3,1: 16:[58, 1] Operation: 99-98=1 Exploring Operation: 99-58=41, Resulting Numbers: [98, 41] Generated Node #0,3,2: 16:[98, 41] Operation: 99-58=41 Exploring Operation: 99+98=197, Resulting Numbers: [58, 197] Generated Node #0,3,3: 16:[58, 197] Operation: 99+98=197 Exploring Operation: 98-58=40, Resulting Numbers: [99, 40] Generated Node #0,3,4: 16:[99, 40] Operation: 98-58=40 Moving to Node #0,0,1 Current State: 16:[1, 58], Operations: ['99-98=1', '75-17=58'] Exploring Operation: 1+58=59, Resulting Numbers: [59] 59,16 unequal: No Solution Exploring Operation: 58-1=57, Resulting Numbers: [57] 57,16 unequal: No Solution Exploring Operation: 58/1=58, Resulting Numbers: [58] 58,16 unequal: No Solution Exploring Operation: 1*58=58, Resulting Numbers: [58] 58,16 unequal: No Solution Moving to Node #0,3,1 Current State: 16:[58, 1], Operations: ['75-17=58', '99-98=1'] Exploring Operation: 58/1=58, Resulting Numbers: [58] 58,16 unequal: No Solution Exploring Operation: 58-1=57, Resulting Numbers: [57] 57,16 unequal: No Solution Exploring Operation: 58+1=59, Resulting Numbers: [59] 59,16 unequal: No Solution Exploring Operation: 58*1=58, Resulting Numbers: [58] 58,16 unequal: No Solution Moving to Node #0,0,4 Current State: 16:[17, 74], Operations: ['99-98=1', '75-1=74'] Exploring Operation: 17+74=91, Resulting Numbers: [91] 91,16 unequal: No Solution Exploring Operation: 74-17=57, Resulting Numbers: [57] 57,16 unequal: No Solution Exploring Operation: 17*74=1258, Resulting Numbers: [1258] 1258,16 unequal: No Solution Moving to Node #0,4,3 Current State: 16:[17, 74], Operations: ['99-75=24', '98-24=74'] Exploring Operation: 17*74=1258, Resulting Numbers: [1258] 1258,16 unequal: No Solution Exploring Operation: 17+74=91, Resulting Numbers: [91] 91,16 unequal: No Solution Exploring Operation: 74-17=57, Resulting Numbers: [57] 57,16 unequal: No Solution Moving to Node #0,0,0 Current State: 16:[75, 16], Operations: ['99-98=1', '17-1=16'] Exploring Operation: 75+16=91, Resulting Numbers: [91] 91,16 unequal: No Solution Exploring Operation: 75-16=59, Resulting Numbers: [59] 59,16 unequal: No Solution Exploring Operation: 75*16=1200, Resulting Numbers: [1200] 1200,16 unequal: No Solution Moving to Node #0,2,4 Current State: 16:[75, 16], Operations: ['99-17=82', '98-82=16'] Exploring Operation: 75*16=1200, Resulting Numbers: [1200] 1200,16 unequal: No Solution Exploring Operation: 75-16=59, Resulting Numbers: [59] 59,16 unequal: No Solution Exploring Operation: 75+16=91, Resulting Numbers: [91] 91,16 unequal: No Solution Moving to Node #0,0,3 Current State: 16:[17, 75], Operations: ['99-98=1', '75/1=75'] Exploring Operation: 17+75=92, Resulting Numbers: [92] 92,16 unequal: No Solution Exploring Operation: 17*75=1275, Resulting Numbers: [1275] 1275,16 unequal: No Solution Exploring Operation: 75-17=58, Resulting Numbers: [58] 58,16 unequal: No Solution Moving to Node #0,0,2 Current State: 16:[17, 75], Operations: ['99-98=1', '75*1=75'] Exploring Operation: 17+75=92, Resulting Numbers: [92] 92,16 unequal: No Solution Exploring Operation: 17*75=1275, Resulting Numbers: [1275] 1275,16 unequal: No Solution Exploring Operation: 75-17=58, Resulting Numbers: [58] 58,16 unequal: No Solution Moving to Node #0,1,3 Current State: 16:[17, 76], Operations: ['98-75=23', '99-23=76'] Exploring Operation: 17+76=93, Resulting Numbers: [93] 93,16 unequal: No Solution Exploring Operation: 76-17=59, Resulting Numbers: [59] 59,16 unequal: No Solution Exploring Operation: 17*76=1292, Resulting Numbers: [1292] 1292,16 unequal: No Solution Moving to Node #0,4,2 Current State: 16:[24, 81], Operations: ['99-75=24', '98-17=81'] Exploring Operation: 81-24=57, Resulting Numbers: [57] 57,16 unequal: No Solution Exploring Operation: 24+81=105, Resulting Numbers: [105] 105,16 unequal: No Solution Exploring Operation: 24*81=1944, Resulting Numbers: [1944] 1944,16 unequal: No Solution Moving to Node #0,1,0 Current State: 16:[23, 82], Operations: ['98-75=23', '99-17=82'] Exploring Operation: 23*82=1886, Resulting Numbers: [1886] 1886,16 unequal: No Solution Exploring Operation: 82-23=59, Resulting Numbers: [59] 59,16 unequal: No Solution Exploring Operation: 23+82=105, Resulting Numbers: [105] 105,16 unequal: No Solution Moving to Node #0,2,0 Current State: 16:[82, 23], Operations: ['99-17=82', '98-75=23'] Exploring Operation: 82+23=105, Resulting Numbers: [105] 105,16 unequal: No Solution Exploring Operation: 82-23=59, Resulting Numbers: [59] 59,16 unequal: No Solution Exploring Operation: 82*23=1886, Resulting Numbers: [1886] 1886,16 unequal: No Solution Moving to Node #0,2,3 Current State: 16:[98, 7], Operations: ['99-17=82', '82-75=7'] Exploring Operation: 98*7=686, Resulting Numbers: [686] 686,16 unequal: No Solution Exploring Operation: 98-7=91, Resulting Numbers: [91] 91,16 unequal: No Solution Exploring Operation: 98+7=105, Resulting Numbers: [105] 105,16 unequal: No Solution Exploring Operation: 98/7=14, Resulting Numbers: [14] 14,16 unequal: No Solution Moving to Node #0,4,4 Current State: 16:[98, 7], Operations: ['99-75=24', '24-17=7'] Exploring Operation: 98*7=686, Resulting Numbers: [686] 686,16 unequal: No Solution Exploring Operation: 98+7=105, Resulting Numbers: [105] 105,16 unequal: No Solution Exploring Operation: 98/7=14, Resulting Numbers: [14] 14,16 unequal: No Solution Exploring Operation: 98-7=91, Resulting Numbers: [91] 91,16 unequal: No Solution Moving to Node #0,1,4 Current State: 16:[99, 6], Operations: ['98-75=23', '23-17=6'] Exploring Operation: 99*6=594, Resulting Numbers: [594] 594,16 unequal: No Solution Exploring Operation: 99+6=105, Resulting Numbers: [105] 105,16 unequal: No Solution Exploring Operation: 99-6=93, Resulting Numbers: [93] 93,16 unequal: No Solution Moving to Node #0,1,2 Current State: 16:[23, 116], Operations: ['98-75=23', '99+17=116'] Exploring Operation: 23*116=2668, Resulting Numbers: [2668] 2668,16 unequal: No Solution Exploring Operation: 116-23=93, Resulting Numbers: [93] 93,16 unequal: No Solution Exploring Operation: 23+116=139, Resulting Numbers: [139] 139,16 unequal: No Solution Moving to Node #0,3,2 Current State: 16:[98, 41], Operations: ['75-17=58', '99-58=41'] Exploring Operation: 98-41=57, Resulting Numbers: [57] 57,16 unequal: No Solution Exploring Operation: 98+41=139, Resulting Numbers: [139] 139,16 unequal: No Solution Exploring Operation: 98*41=4018, Resulting Numbers: [4018] 4018,16 unequal: No Solution Moving to Node #0,4,1 Current State: 16:[24, 115], Operations: ['99-75=24', '98+17=115'] Exploring Operation: 24+115=139, Resulting Numbers: [139] 139,16 unequal: No Solution Exploring Operation: 24*115=2760, Resulting Numbers: [2760] 2760,16 unequal: No Solution Exploring Operation: 115-24=91, Resulting Numbers: [91] 91,16 unequal: No Solution Moving to Node #0,4,0 Current State: 16:[17, 122], Operations: ['99-75=24', '98+24=122'] Exploring Operation: 17+122=139, Resulting Numbers: [139] 139,16 unequal: No Solution Exploring Operation: 122-17=105, Resulting Numbers: [105] 105,16 unequal: No Solution Exploring Operation: 17*122=2074, Resulting Numbers: [2074] 2074,16 unequal: No Solution Moving to Node #0,3,4 Current State: 16:[99, 40], Operations: ['75-17=58', '98-58=40'] Exploring Operation: 99-40=59, Resulting Numbers: [59] 59,16 unequal: No Solution Exploring Operation: 99+40=139, Resulting Numbers: [139] 139,16 unequal: No Solution Exploring Operation: 99*40=3960, Resulting Numbers: [3960] 3960,16 unequal: No Solution Moving to Node #0,1,1 Current State: 16:[17, 122], Operations: ['98-75=23', '99+23=122'] Exploring Operation: 17*122=2074, Resulting Numbers: [2074] 2074,16 unequal: No Solution Exploring Operation: 122-17=105, Resulting Numbers: [105] 105,16 unequal: No Solution Exploring Operation: 17+122=139, Resulting Numbers: [139] 139,16 unequal: No Solution Moving to Node #0,3,0 Current State: 16:[98, 157], Operations: ['75-17=58', '99+58=157'] Exploring Operation: 157-98=59, Resulting Numbers: [59] 59,16 unequal: No Solution Exploring Operation: 98+157=255, Resulting Numbers: [255] 255,16 unequal: No Solution Exploring Operation: 98*157=15386, Resulting Numbers: [15386] 15386,16 unequal: No Solution Moving to Node #0,2,2 Current State: 16:[82, 173], Operations: ['99-17=82', '75+98=173'] Exploring Operation: 173-82=91, Resulting Numbers: [91] 91,16 unequal: No Solution Exploring Operation: 82*173=14186, Resulting Numbers: [14186] 14186,16 unequal: No Solution Exploring Operation: 82+173=255, Resulting Numbers: [255] 255,16 unequal: No Solution Moving to Node #0,3,3 Current State: 16:[58, 197], Operations: ['75-17=58', '99+98=197'] Exploring Operation: 58+197=255, Resulting Numbers: [255] 255,16 unequal: No Solution Exploring Operation: 197-58=139, Resulting Numbers: [139] 139,16 unequal: No Solution Exploring Operation: 58*197=11426, Resulting Numbers: [11426] 11426,16 unequal: No Solution Moving to Node #0,2,1 Current State: 16:[98, 157], Operations: ['99-17=82', '75+82=157'] Exploring Operation: 98*157=15386, Resulting Numbers: [15386] 15386,16 unequal: No Solution Exploring Operation: 157-98=59, Resulting Numbers: [59] 59,16 unequal: No Solution Exploring Operation: 98+157=255, Resulting Numbers: [255] 255,16 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 47, 9, 89, 88 ]
74
[ "47+88=135", "135/9=15", "89-15=74" ]
Current State: 74:[47, 9, 89, 88], Operations: [] Exploring Operation: 47+88=135, Resulting Numbers: [9, 89, 135] Generated Node #2: [9, 89, 135] from Operation: 47+88=135 Current State: 74:[9, 89, 135], Operations: ['47+88=135'] Exploring Operation: 135/9=15, Resulting Numbers: [89, 15] Generated Node #3: [89, 15] from Operation: 135/9=15 Current State: 74:[89, 15], Operations: ['47+88=135', '135/9=15'] Exploring Operation: 89-15=74, Resulting Numbers: [74] 74,74 equal: Goal Reached
4
Current State: 74:[47, 9, 89, 88], Operations: [] Exploring Operation: 89-88=1, Resulting Numbers: [47, 9, 1] Generated Node #0,0: 74:[47, 9, 1] Operation: 89-88=1 Exploring Operation: 88-47=41, Resulting Numbers: [9, 89, 41] Generated Node #0,1: 74:[9, 89, 41] Operation: 88-47=41 Exploring Operation: 89-47=42, Resulting Numbers: [9, 88, 42] Generated Node #0,2: 74:[9, 88, 42] Operation: 89-47=42 Moving to Node #0,0 Current State: 74:[47, 9, 1], Operations: ['89-88=1'] Exploring Operation: 9-1=8, Resulting Numbers: [47, 8] Generated Node #0,0,0: 74:[47, 8] Operation: 9-1=8 Exploring Operation: 47-1=46, Resulting Numbers: [9, 46] Generated Node #0,0,1: 74:[9, 46] Operation: 47-1=46 Exploring Operation: 47-9=38, Resulting Numbers: [1, 38] Generated Node #0,0,2: 74:[1, 38] Operation: 47-9=38 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 74:[1, 38], Operations: ['89-88=1', '47-9=38'] Exploring Operation: 1*38=38, Resulting Numbers: [38] 38,74 unequal: No Solution Exploring Operation: 38-1=37, Resulting Numbers: [37] 37,74 unequal: No Solution Exploring Operation: 38/1=38, Resulting Numbers: [38] 38,74 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 74:[47, 8], Operations: ['89-88=1', '9-1=8'] Exploring Operation: 47+8=55, Resulting Numbers: [55] 55,74 unequal: No Solution Exploring Operation: 47-8=39, Resulting Numbers: [39] 39,74 unequal: No Solution Exploring Operation: 47*8=376, Resulting Numbers: [376] 376,74 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 74:[9, 46], Operations: ['89-88=1', '47-1=46'] Exploring Operation: 46-9=37, Resulting Numbers: [37] 37,74 unequal: No Solution Exploring Operation: 9+46=55, Resulting Numbers: [55] 55,74 unequal: No Solution Exploring Operation: 9*46=414, Resulting Numbers: [414] 414,74 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 74:[9, 89, 41], Operations: ['88-47=41'] Exploring Operation: 41-9=32, Resulting Numbers: [89, 32] Generated Node #0,1,0: 74:[89, 32] Operation: 41-9=32 Exploring Operation: 89-9=80, Resulting Numbers: [41, 80] Generated Node #0,1,1: 74:[41, 80] Operation: 89-9=80 Exploring Operation: 89-41=48, Resulting Numbers: [9, 48] Generated Node #0,1,2: 74:[9, 48] Operation: 89-41=48 Moving to Node #0,2 Current State: 74:[9, 88, 42], Operations: ['89-47=42'] Exploring Operation: 42-9=33, Resulting Numbers: [88, 33] Generated Node #0,2,0: 74:[88, 33] Operation: 42-9=33 Exploring Operation: 88-9=79, Resulting Numbers: [42, 79] Generated Node #0,2,1: 74:[42, 79] Operation: 88-9=79 Exploring Operation: 88-42=46, Resulting Numbers: [9, 46] Generated Node #0,2,2: 74:[9, 46] Operation: 88-42=46 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 74:[42, 79], Operations: ['89-47=42', '88-9=79'] Exploring Operation: 42*79=3318, Resulting Numbers: [3318] 3318,74 unequal: No Solution Exploring Operation: 42+79=121, Resulting Numbers: [121] 121,74 unequal: No Solution Exploring Operation: 79-42=37, Resulting Numbers: [37] 37,74 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 74:[9, 46], Operations: ['89-47=42', '88-42=46'] Exploring Operation: 46-9=37, Resulting Numbers: [37] 37,74 unequal: No Solution Exploring Operation: 9*46=414, Resulting Numbers: [414] 414,74 unequal: No Solution Exploring Operation: 9+46=55, Resulting Numbers: [55] 55,74 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 74:[88, 33], Operations: ['89-47=42', '42-9=33'] Exploring Operation: 88*33=2904, Resulting Numbers: [2904] 2904,74 unequal: No Solution Exploring Operation: 88-33=55, Resulting Numbers: [55] 55,74 unequal: No Solution Exploring Operation: 88+33=121, Resulting Numbers: [121] 121,74 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1,1 Current State: 74:[41, 80], Operations: ['88-47=41', '89-9=80'] Exploring Operation: 80-41=39, Resulting Numbers: [39] 39,74 unequal: No Solution Exploring Operation: 41+80=121, Resulting Numbers: [121] 121,74 unequal: No Solution Exploring Operation: 41*80=3280, Resulting Numbers: [3280] 3280,74 unequal: No Solution Moving to Node #0,1,2 Current State: 74:[9, 48], Operations: ['88-47=41', '89-41=48'] Exploring Operation: 9*48=432, Resulting Numbers: [432] 432,74 unequal: No Solution Exploring Operation: 9+48=57, Resulting Numbers: [57] 57,74 unequal: No Solution Exploring Operation: 48-9=39, Resulting Numbers: [39] 39,74 unequal: No Solution Moving to Node #0,1,0 Current State: 74:[89, 32], Operations: ['88-47=41', '41-9=32'] Exploring Operation: 89*32=2848, Resulting Numbers: [2848] 2848,74 unequal: No Solution Exploring Operation: 89-32=57, Resulting Numbers: [57] 57,74 unequal: No Solution Exploring Operation: 89+32=121, Resulting Numbers: [121] 121,74 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 98, 70, 65, 35 ]
31
[ "98-65=33", "70/35=2", "33-2=31" ]
Current State: 31:[98, 70, 65, 35], Operations: [] Exploring Operation: 98-65=33, Resulting Numbers: [70, 35, 33] Generated Node #2: [70, 35, 33] from Operation: 98-65=33 Current State: 31:[70, 35, 33], Operations: ['98-65=33'] Exploring Operation: 70/35=2, Resulting Numbers: [33, 2] Generated Node #3: [33, 2] from Operation: 70/35=2 Current State: 31:[33, 2], Operations: ['98-65=33', '70/35=2'] Exploring Operation: 33-2=31, Resulting Numbers: [31] 31,31 equal: Goal Reached
4
Current State: 31:[98, 70, 65, 35], Operations: [] Exploring Operation: 98-65=33, Resulting Numbers: [70, 35, 33] Generated Node #0,0: 31:[70, 35, 33] Operation: 98-65=33 Exploring Operation: 98-70=28, Resulting Numbers: [65, 35, 28] Generated Node #0,1: 31:[65, 35, 28] Operation: 98-70=28 Exploring Operation: 70-35=35, Resulting Numbers: [98, 65, 35] Generated Node #0,2: 31:[98, 65, 35] Operation: 70-35=35 Exploring Operation: 98-35=63, Resulting Numbers: [70, 65, 63] Generated Node #0,3: 31:[70, 65, 63] Operation: 98-35=63 Exploring Operation: 70-65=5, Resulting Numbers: [98, 35, 5] Generated Node #0,4: 31:[98, 35, 5] Operation: 70-65=5 Moving to Node #0,1 Current State: 31:[65, 35, 28], Operations: ['98-70=28'] Exploring Operation: 35-28=7, Resulting Numbers: [65, 7] Generated Node #0,1,0: 31:[65, 7] Operation: 35-28=7 Exploring Operation: 65+28=93, Resulting Numbers: [35, 93] Generated Node #0,1,1: 31:[35, 93] Operation: 65+28=93 Exploring Operation: 35+28=63, Resulting Numbers: [65, 63] Generated Node #0,1,2: 31:[65, 63] Operation: 35+28=63 Exploring Operation: 65-35=30, Resulting Numbers: [28, 30] Generated Node #0,1,3: 31:[28, 30] Operation: 65-35=30 Exploring Operation: 65-28=37, Resulting Numbers: [35, 37] Generated Node #0,1,4: 31:[35, 37] Operation: 65-28=37 Moving to Node #0,0 Current State: 31:[70, 35, 33], Operations: ['98-65=33'] Exploring Operation: 35-33=2, Resulting Numbers: [70, 2] Generated Node #0,0,0: 31:[70, 2] Operation: 35-33=2 Exploring Operation: 70-33=37, Resulting Numbers: [35, 37] Generated Node #0,0,1: 31:[35, 37] Operation: 70-33=37 Exploring Operation: 70+35=105, Resulting Numbers: [33, 105] Generated Node #0,0,2: 31:[33, 105] Operation: 70+35=105 Exploring Operation: 70/35=2, Resulting Numbers: [33, 2] Generated Node #0,0,3: 31:[33, 2] Operation: 70/35=2 Exploring Operation: 70-35=35, Resulting Numbers: [33, 35] Generated Node #0,0,4: 31:[33, 35] Operation: 70-35=35 Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 31:[33, 35], Operations: ['98-65=33', '70-35=35'] Exploring Operation: 33+35=68, Resulting Numbers: [68] 68,31 unequal: No Solution Exploring Operation: 33*35=1155, Resulting Numbers: [1155] 1155,31 unequal: No Solution Exploring Operation: 35-33=2, Resulting Numbers: [2] 2,31 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 31:[35, 37], Operations: ['98-65=33', '70-33=37'] Exploring Operation: 37-35=2, Resulting Numbers: [2] 2,31 unequal: No Solution Exploring Operation: 35*37=1295, Resulting Numbers: [1295] 1295,31 unequal: No Solution Exploring Operation: 35+37=72, Resulting Numbers: [72] 72,31 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 31:[33, 2], Operations: ['98-65=33', '70/35=2'] Exploring Operation: 33+2=35, Resulting Numbers: [35] 35,31 unequal: No Solution Exploring Operation: 33-2=31, Resulting Numbers: [31] 31,31 equal: Goal Reached Moving to Node #0 Current State: 31:[98, 70, 65, 35], Operations: [] Exploring Operation: 98-65=33, Resulting Numbers: [70, 35, 33] Generated Node #0,0: 31:[70, 35, 33] Operation: 98-65=33 Moving to Node #0,0 Current State: 31:[70, 35, 33], Operations: ['98-65=33'] Exploring Operation: 70/35=2, Resulting Numbers: [33, 2] Generated Node #0,0,3: 31:[33, 2] Operation: 70/35=2 Moving to Node #0,0,3 Current State: 31:[33, 2], Operations: ['98-65=33', '70/35=2'] Exploring Operation: 33-2=31, Resulting Numbers: [31] 31,31 equal: Goal Reached Exit Sub Search at level 1
0.976563
hs_5
sum_heuristic
[ 3, 89, 67, 29 ]
23
[ "89+67=156", "156/3=52", "52-29=23" ]
Current State: 23:[3, 89, 67, 29], Operations: [] Exploring Operation: 89+67=156, Resulting Numbers: [3, 29, 156] Generated Node #2: [3, 29, 156] from Operation: 89+67=156 Current State: 23:[3, 29, 156], Operations: ['89+67=156'] Exploring Operation: 156/3=52, Resulting Numbers: [29, 52] Generated Node #3: [29, 52] from Operation: 156/3=52 Current State: 23:[29, 52], Operations: ['89+67=156', '156/3=52'] Exploring Operation: 52-29=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
4
Current State: 23:[3, 89, 67, 29], Operations: [] Exploring Operation: 89-3=86, Resulting Numbers: [67, 29, 86] Generated Node #0,0: 23:[67, 29, 86] Operation: 89-3=86 Exploring Operation: 67-29=38, Resulting Numbers: [3, 89, 38] Generated Node #0,1: 23:[3, 89, 38] Operation: 67-29=38 Exploring Operation: 89-67=22, Resulting Numbers: [3, 29, 22] Generated Node #0,2: 23:[3, 29, 22] Operation: 89-67=22 Exploring Operation: 89-29=60, Resulting Numbers: [3, 67, 60] Generated Node #0,3: 23:[3, 67, 60] Operation: 89-29=60 Start Sub Search at level 1: Moving to Node #0,2 Current State: 23:[3, 29, 22], Operations: ['89-67=22'] Exploring Operation: 22-3=19, Resulting Numbers: [29, 19] Generated Node #0,2,0: 23:[29, 19] Operation: 22-3=19 Exploring Operation: 3+29=32, Resulting Numbers: [22, 32] Generated Node #0,2,1: 23:[22, 32] Operation: 3+29=32 Exploring Operation: 3+22=25, Resulting Numbers: [29, 25] Generated Node #0,2,2: 23:[29, 25] Operation: 3+22=25 Exploring Operation: 29-3=26, Resulting Numbers: [22, 26] Generated Node #0,2,3: 23:[22, 26] Operation: 29-3=26 Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 23:[22, 26], Operations: ['89-67=22', '29-3=26'] Exploring Operation: 22*26=572, Resulting Numbers: [572] 572,23 unequal: No Solution Exploring Operation: 26-22=4, Resulting Numbers: [4] 4,23 unequal: No Solution Exploring Operation: 22+26=48, Resulting Numbers: [48] 48,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 23:[29, 25], Operations: ['89-67=22', '3+22=25'] Exploring Operation: 29-25=4, Resulting Numbers: [4] 4,23 unequal: No Solution Exploring Operation: 29*25=725, Resulting Numbers: [725] 725,23 unequal: No Solution Exploring Operation: 29+25=54, Resulting Numbers: [54] 54,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 23:[29, 19], Operations: ['89-67=22', '22-3=19'] Exploring Operation: 29*19=551, Resulting Numbers: [551] 551,23 unequal: No Solution Exploring Operation: 29-19=10, Resulting Numbers: [10] 10,23 unequal: No Solution Exploring Operation: 29+19=48, Resulting Numbers: [48] 48,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 23:[22, 32], Operations: ['89-67=22', '3+29=32'] Exploring Operation: 32-22=10, Resulting Numbers: [10] 10,23 unequal: No Solution Exploring Operation: 22*32=704, Resulting Numbers: [704] 704,23 unequal: No Solution Exploring Operation: 22+32=54, Resulting Numbers: [54] 54,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 23:[3, 89, 38], Operations: ['67-29=38'] Exploring Operation: 38-3=35, Resulting Numbers: [89, 35] Generated Node #0,1,0: 23:[89, 35] Operation: 38-3=35 Exploring Operation: 89-38=51, Resulting Numbers: [3, 51] Generated Node #0,1,1: 23:[3, 51] Operation: 89-38=51 Exploring Operation: 3+89=92, Resulting Numbers: [38, 92] Generated Node #0,1,2: 23:[38, 92] Operation: 3+89=92 Exploring Operation: 89-3=86, Resulting Numbers: [38, 86] Generated Node #0,1,3: 23:[38, 86] Operation: 89-3=86 Moving to Node #0,1,1 Current State: 23:[3, 51], Operations: ['67-29=38', '89-38=51'] Exploring Operation: 3*51=153, Resulting Numbers: [153] 153,23 unequal: No Solution Exploring Operation: 51-3=48, Resulting Numbers: [48] 48,23 unequal: No Solution Exploring Operation: 3+51=54, Resulting Numbers: [54] 54,23 unequal: No Solution Exploring Operation: 51/3=17, Resulting Numbers: [17] 17,23 unequal: No Solution Moving to Node #0,1,3 Current State: 23:[38, 86], Operations: ['67-29=38', '89-3=86'] Exploring Operation: 86-38=48, Resulting Numbers: [48] 48,23 unequal: No Solution Exploring Operation: 38*86=3268, Resulting Numbers: [3268] 3268,23 unequal: No Solution Exploring Operation: 38+86=124, Resulting Numbers: [124] 124,23 unequal: No Solution Moving to Node #0,1,0 Current State: 23:[89, 35], Operations: ['67-29=38', '38-3=35'] Exploring Operation: 89*35=3115, Resulting Numbers: [3115] 3115,23 unequal: No Solution Exploring Operation: 89+35=124, Resulting Numbers: [124] 124,23 unequal: No Solution Exploring Operation: 89-35=54, Resulting Numbers: [54] 54,23 unequal: No Solution Moving to Node #0,1,2 Current State: 23:[38, 92], Operations: ['67-29=38', '3+89=92'] Exploring Operation: 38+92=130, Resulting Numbers: [130] 130,23 unequal: No Solution Exploring Operation: 92-38=54, Resulting Numbers: [54] 54,23 unequal: No Solution Exploring Operation: 38*92=3496, Resulting Numbers: [3496] 3496,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 23:[3, 67, 60], Operations: ['89-29=60'] Exploring Operation: 60-3=57, Resulting Numbers: [67, 57] Generated Node #0,3,0: 23:[67, 57] Operation: 60-3=57 Exploring Operation: 60/3=20, Resulting Numbers: [67, 20] Generated Node #0,3,1: 23:[67, 20] Operation: 60/3=20 Exploring Operation: 67-60=7, Resulting Numbers: [3, 7] Generated Node #0,3,2: 23:[3, 7] Operation: 67-60=7 Exploring Operation: 67-3=64, Resulting Numbers: [60, 64] Generated Node #0,3,3: 23:[60, 64] Operation: 67-3=64 Moving to Node #0,3,2 Current State: 23:[3, 7], Operations: ['89-29=60', '67-60=7'] Exploring Operation: 3+7=10, Resulting Numbers: [10] 10,23 unequal: No Solution Exploring Operation: 3*7=21, Resulting Numbers: [21] 21,23 unequal: No Solution Exploring Operation: 7-3=4, Resulting Numbers: [4] 4,23 unequal: No Solution Moving to Node #0,3,1 Current State: 23:[67, 20], Operations: ['89-29=60', '60/3=20'] Exploring Operation: 67+20=87, Resulting Numbers: [87] 87,23 unequal: No Solution Exploring Operation: 67*20=1340, Resulting Numbers: [1340] 1340,23 unequal: No Solution Exploring Operation: 67-20=47, Resulting Numbers: [47] 47,23 unequal: No Solution Moving to Node #0,3,3 Current State: 23:[60, 64], Operations: ['89-29=60', '67-3=64'] Exploring Operation: 60*64=3840, Resulting Numbers: [3840] 3840,23 unequal: No Solution Exploring Operation: 60+64=124, Resulting Numbers: [124] 124,23 unequal: No Solution Exploring Operation: 64-60=4, Resulting Numbers: [4] 4,23 unequal: No Solution Moving to Node #0,3,0 Current State: 23:[67, 57], Operations: ['89-29=60', '60-3=57'] Exploring Operation: 67-57=10, Resulting Numbers: [10] 10,23 unequal: No Solution Exploring Operation: 67+57=124, Resulting Numbers: [124] 124,23 unequal: No Solution Exploring Operation: 67*57=3819, Resulting Numbers: [3819] 3819,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 23:[67, 29, 86], Operations: ['89-3=86'] Exploring Operation: 86-67=19, Resulting Numbers: [29, 19] Generated Node #0,0,0: 23:[29, 19] Operation: 86-67=19 Exploring Operation: 86-29=57, Resulting Numbers: [67, 57] Generated Node #0,0,1: 23:[67, 57] Operation: 86-29=57 Exploring Operation: 67-29=38, Resulting Numbers: [86, 38] Generated Node #0,0,2: 23:[86, 38] Operation: 67-29=38 Exploring Operation: 67+29=96, Resulting Numbers: [86, 96] Generated Node #0,0,3: 23:[86, 96] Operation: 67+29=96 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 23:[29, 19], Operations: ['89-3=86', '86-67=19'] Exploring Operation: 29-19=10, Resulting Numbers: [10] 10,23 unequal: No Solution Exploring Operation: 29+19=48, Resulting Numbers: [48] 48,23 unequal: No Solution Exploring Operation: 29*19=551, Resulting Numbers: [551] 551,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 23:[67, 57], Operations: ['89-3=86', '86-29=57'] Exploring Operation: 67-57=10, Resulting Numbers: [10] 10,23 unequal: No Solution Exploring Operation: 67+57=124, Resulting Numbers: [124] 124,23 unequal: No Solution Exploring Operation: 67*57=3819, Resulting Numbers: [3819] 3819,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 23:[86, 38], Operations: ['89-3=86', '67-29=38'] Exploring Operation: 86+38=124, Resulting Numbers: [124] 124,23 unequal: No Solution Exploring Operation: 86-38=48, Resulting Numbers: [48] 48,23 unequal: No Solution Exploring Operation: 86*38=3268, Resulting Numbers: [3268] 3268,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 23:[86, 96], Operations: ['89-3=86', '67+29=96'] Exploring Operation: 86*96=8256, Resulting Numbers: [8256] 8256,23 unequal: No Solution Exploring Operation: 96-86=10, Resulting Numbers: [10] 10,23 unequal: No Solution Exploring Operation: 86+96=182, Resulting Numbers: [182] 182,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
mult_heuristic
[ 20, 3, 37, 35 ]
12
[ "20*3=60", "37+35=72", "72-60=12" ]
Current State: 12:[20, 3, 37, 35], Operations: [] Exploring Operation: 20*3=60, Resulting Numbers: [37, 35, 60] Generated Node #2: [37, 35, 60] from Operation: 20*3=60 Current State: 12:[37, 35, 60], Operations: ['20*3=60'] Exploring Operation: 37+35=72, Resulting Numbers: [60, 72] Generated Node #3: [60, 72] from Operation: 37+35=72 Current State: 12:[60, 72], Operations: ['20*3=60', '37+35=72'] Exploring Operation: 72-60=12, Resulting Numbers: [12] 12,12 equal: Goal Reached
4
Current State: 12:[20, 3, 37, 35], Operations: [] Exploring Operation: 37-35=2, Resulting Numbers: [20, 3, 2] Generated Node #0,0: 12:[20, 3, 2] Operation: 37-35=2 Exploring Operation: 35-20=15, Resulting Numbers: [3, 37, 15] Generated Node #0,1: 12:[3, 37, 15] Operation: 35-20=15 Exploring Operation: 37-20=17, Resulting Numbers: [3, 35, 17] Generated Node #0,2: 12:[3, 35, 17] Operation: 37-20=17 Moving to Node #0,0 Current State: 12:[20, 3, 2], Operations: ['37-35=2'] Exploring Operation: 20-2=18, Resulting Numbers: [3, 18] Generated Node #0,0,0: 12:[3, 18] Operation: 20-2=18 Exploring Operation: 20-3=17, Resulting Numbers: [2, 17] Generated Node #0,0,1: 12:[2, 17] Operation: 20-3=17 Exploring Operation: 20/2=10, Resulting Numbers: [3, 10] Generated Node #0,0,2: 12:[3, 10] Operation: 20/2=10 Moving to Node #0,1 Current State: 12:[3, 37, 15], Operations: ['35-20=15'] Exploring Operation: 15-3=12, Resulting Numbers: [37, 12] Generated Node #0,1,0: 12:[37, 12] Operation: 15-3=12 Exploring Operation: 37-3=34, Resulting Numbers: [15, 34] Generated Node #0,1,1: 12:[15, 34] Operation: 37-3=34 Exploring Operation: 37-15=22, Resulting Numbers: [3, 22] Generated Node #0,1,2: 12:[3, 22] Operation: 37-15=22 Moving to Node #0,2 Current State: 12:[3, 35, 17], Operations: ['37-20=17'] Exploring Operation: 17-3=14, Resulting Numbers: [35, 14] Generated Node #0,2,0: 12:[35, 14] Operation: 17-3=14 Exploring Operation: 35-17=18, Resulting Numbers: [3, 18] Generated Node #0,2,1: 12:[3, 18] Operation: 35-17=18 Exploring Operation: 35-3=32, Resulting Numbers: [17, 32] Generated Node #0,2,2: 12:[17, 32] Operation: 35-3=32 Moving to Node #0,0,2 Current State: 12:[3, 10], Operations: ['37-35=2', '20/2=10'] Exploring Operation: 10-3=7, Resulting Numbers: [7] 7,12 unequal: No Solution Exploring Operation: 3*10=30, Resulting Numbers: [30] 30,12 unequal: No Solution Exploring Operation: 3+10=13, Resulting Numbers: [13] 13,12 unequal: No Solution Moving to Node #0,0,1 Current State: 12:[2, 17], Operations: ['37-35=2', '20-3=17'] Exploring Operation: 17-2=15, Resulting Numbers: [15] 15,12 unequal: No Solution Exploring Operation: 2+17=19, Resulting Numbers: [19] 19,12 unequal: No Solution Exploring Operation: 2*17=34, Resulting Numbers: [34] 34,12 unequal: No Solution Moving to Node #0,0,0 Current State: 12:[3, 18], Operations: ['37-35=2', '20-2=18'] Exploring Operation: 18/3=6, Resulting Numbers: [6] 6,12 unequal: No Solution Exploring Operation: 3+18=21, Resulting Numbers: [21] 21,12 unequal: No Solution Exploring Operation: 18-3=15, Resulting Numbers: [15] 15,12 unequal: No Solution Moving to Node #0,2,1 Current State: 12:[3, 18], Operations: ['37-20=17', '35-17=18'] Exploring Operation: 3+18=21, Resulting Numbers: [21] 21,12 unequal: No Solution Exploring Operation: 18-3=15, Resulting Numbers: [15] 15,12 unequal: No Solution Exploring Operation: 18/3=6, Resulting Numbers: [6] 6,12 unequal: No Solution Moving to Node #0,1,2 Current State: 12:[3, 22], Operations: ['35-20=15', '37-15=22'] Exploring Operation: 3+22=25, Resulting Numbers: [25] 25,12 unequal: No Solution Exploring Operation: 22-3=19, Resulting Numbers: [19] 19,12 unequal: No Solution Exploring Operation: 3*22=66, Resulting Numbers: [66] 66,12 unequal: No Solution Moving to Node #0,1,1 Current State: 12:[15, 34], Operations: ['35-20=15', '37-3=34'] Exploring Operation: 15*34=510, Resulting Numbers: [510] 510,12 unequal: No Solution Exploring Operation: 15+34=49, Resulting Numbers: [49] 49,12 unequal: No Solution Exploring Operation: 34-15=19, Resulting Numbers: [19] 19,12 unequal: No Solution Moving to Node #0,2,2 Current State: 12:[17, 32], Operations: ['37-20=17', '35-3=32'] Exploring Operation: 17+32=49, Resulting Numbers: [49] 49,12 unequal: No Solution Exploring Operation: 32-17=15, Resulting Numbers: [15] 15,12 unequal: No Solution Exploring Operation: 17*32=544, Resulting Numbers: [544] 544,12 unequal: No Solution Moving to Node #0,1,0 Current State: 12:[37, 12], Operations: ['35-20=15', '15-3=12'] Exploring Operation: 37*12=444, Resulting Numbers: [444] 444,12 unequal: No Solution Exploring Operation: 37-12=25, Resulting Numbers: [25] 25,12 unequal: No Solution Exploring Operation: 37+12=49, Resulting Numbers: [49] 49,12 unequal: No Solution Moving to Node #0,2,0 Current State: 12:[35, 14], Operations: ['37-20=17', '17-3=14'] Exploring Operation: 35*14=490, Resulting Numbers: [490] 490,12 unequal: No Solution Exploring Operation: 35-14=21, Resulting Numbers: [21] 21,12 unequal: No Solution Exploring Operation: 35+14=49, Resulting Numbers: [49] 49,12 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 46, 86, 10, 13 ]
63
[ "86-46=40", "10+13=23", "40+23=63" ]
Current State: 63:[46, 86, 10, 13], Operations: [] Exploring Operation: 86-46=40, Resulting Numbers: [10, 13, 40] Generated Node #2: [10, 13, 40] from Operation: 86-46=40 Current State: 63:[10, 13, 40], Operations: ['86-46=40'] Exploring Operation: 10+13=23, Resulting Numbers: [40, 23] Generated Node #3: [40, 23] from Operation: 10+13=23 Current State: 63:[40, 23], Operations: ['86-46=40', '10+13=23'] Exploring Operation: 40+23=63, Resulting Numbers: [63] 63,63 equal: Goal Reached
4
Current State: 63:[46, 86, 10, 13], Operations: [] Exploring Operation: 86-46=40, Resulting Numbers: [10, 13, 40] Generated Node #0,0: 63:[10, 13, 40] Operation: 86-46=40 Exploring Operation: 46+10=56, Resulting Numbers: [86, 13, 56] Generated Node #0,1: 63:[86, 13, 56] Operation: 46+10=56 Exploring Operation: 86-10=76, Resulting Numbers: [46, 13, 76] Generated Node #0,2: 63:[46, 13, 76] Operation: 86-10=76 Exploring Operation: 46+13=59, Resulting Numbers: [86, 10, 59] Generated Node #0,3: 63:[86, 10, 59] Operation: 46+13=59 Exploring Operation: 86-13=73, Resulting Numbers: [46, 10, 73] Generated Node #0,4: 63:[46, 10, 73] Operation: 86-13=73 Moving to Node #0,0 Current State: 63:[10, 13, 40], Operations: ['86-46=40'] Exploring Operation: 40-13=27, Resulting Numbers: [10, 27] Generated Node #0,0,0: 63:[10, 27] Operation: 40-13=27 Exploring Operation: 13+40=53, Resulting Numbers: [10, 53] Generated Node #0,0,1: 63:[10, 53] Operation: 13+40=53 Exploring Operation: 10+40=50, Resulting Numbers: [13, 50] Generated Node #0,0,2: 63:[13, 50] Operation: 10+40=50 Exploring Operation: 40-10=30, Resulting Numbers: [13, 30] Generated Node #0,0,3: 63:[13, 30] Operation: 40-10=30 Exploring Operation: 40/10=4, Resulting Numbers: [13, 4] Generated Node #0,0,4: 63:[13, 4] Operation: 40/10=4 Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 63:[13, 4], Operations: ['86-46=40', '40/10=4'] Exploring Operation: 13-4=9, Resulting Numbers: [9] 9,63 unequal: No Solution Exploring Operation: 13*4=52, Resulting Numbers: [52] 52,63 unequal: No Solution Exploring Operation: 13+4=17, Resulting Numbers: [17] 17,63 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 #0,0,0 Current State: 63:[10, 27], Operations: ['86-46=40', '40-13=27'] Exploring Operation: 10+27=37, Resulting Numbers: [37] 37,63 unequal: No Solution Exploring Operation: 27-10=17, Resulting Numbers: [17] 17,63 unequal: No Solution Exploring Operation: 10*27=270, Resulting Numbers: [270] 270,63 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 #0,0,1 Current State: 63:[10, 53], Operations: ['86-46=40', '13+40=53'] Exploring Operation: 10*53=530, Resulting Numbers: [530] 530,63 unequal: No Solution Exploring Operation: 53-10=43, Resulting Numbers: [43] 43,63 unequal: No Solution Exploring Operation: 10+53=63, Resulting Numbers: [63] 63,63 equal: Goal Reached Moving to Node #0 Current State: 63:[46, 86, 10, 13], Operations: [] Exploring Operation: 86-46=40, Resulting Numbers: [10, 13, 40] Generated Node #0,0: 63:[10, 13, 40] Operation: 86-46=40 Moving to Node #0,0 Current State: 63:[10, 13, 40], Operations: ['86-46=40'] Exploring Operation: 13+40=53, Resulting Numbers: [10, 53] Generated Node #0,0,1: 63:[10, 53] Operation: 13+40=53 Moving to Node #0,0,1 Current State: 63:[10, 53], Operations: ['86-46=40', '13+40=53'] Exploring Operation: 10+53=63, Resulting Numbers: [63] 63,63 equal: Goal Reached Exit Sub Search at level 1
0.980035
hs_5
mult_heuristic
[ 51, 15, 45, 9 ]
26
[ "51*15=765", "765/45=17", "9+17=26" ]
Current State: 26:[51, 15, 45, 9], Operations: [] Exploring Operation: 51*15=765, Resulting Numbers: [45, 9, 765] Generated Node #2: [45, 9, 765] from Operation: 51*15=765 Current State: 26:[45, 9, 765], Operations: ['51*15=765'] Exploring Operation: 765/45=17, Resulting Numbers: [9, 17] Generated Node #3: [9, 17] from Operation: 765/45=17 Current State: 26:[9, 17], Operations: ['51*15=765', '765/45=17'] Exploring Operation: 9+17=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
4
Current State: 26:[51, 15, 45, 9], Operations: [] Exploring Operation: 45/15=3, Resulting Numbers: [51, 9, 3] Generated Node #0,0: 26:[51, 9, 3] Operation: 45/15=3 Exploring Operation: 51-45=6, Resulting Numbers: [15, 9, 6] Generated Node #0,1: 26:[15, 9, 6] Operation: 51-45=6 Exploring Operation: 45/9=5, Resulting Numbers: [51, 15, 5] Generated Node #0,2: 26:[51, 15, 5] Operation: 45/9=5 Moving to Node #0,1 Current State: 26:[15, 9, 6], Operations: ['51-45=6'] Exploring Operation: 9+6=15, Resulting Numbers: [15, 15] Generated Node #0,1,0: 26:[15, 15] Operation: 9+6=15 Exploring Operation: 15+9=24, Resulting Numbers: [6, 24] Generated Node #0,1,1: 26:[6, 24] Operation: 15+9=24 Exploring Operation: 9-6=3, Resulting Numbers: [15, 3] Generated Node #0,1,2: 26:[15, 3] Operation: 9-6=3 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 26:[15, 3], Operations: ['51-45=6', '9-6=3'] Exploring Operation: 15/3=5, Resulting Numbers: [5] 5,26 unequal: No Solution Exploring Operation: 15+3=18, Resulting Numbers: [18] 18,26 unequal: No Solution Exploring Operation: 15-3=12, Resulting Numbers: [12] 12,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 26:[15, 15], Operations: ['51-45=6', '9+6=15'] Exploring Operation: 15/15=1, Resulting Numbers: [1] 1,26 unequal: No Solution Exploring Operation: 15-15=0, Resulting Numbers: [0] 0,26 unequal: No Solution Exploring Operation: 15+15=30, Resulting Numbers: [30] 30,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 26:[6, 24], Operations: ['51-45=6', '15+9=24'] Exploring Operation: 24/6=4, Resulting Numbers: [4] 4,26 unequal: No Solution Exploring Operation: 24-6=18, Resulting Numbers: [18] 18,26 unequal: No Solution Exploring Operation: 6+24=30, Resulting Numbers: [30] 30,26 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: 26:[51, 9, 3], Operations: ['45/15=3'] Exploring Operation: 51/3=17, Resulting Numbers: [9, 17] Generated Node #0,0,0: 26:[9, 17] Operation: 51/3=17 Exploring Operation: 51-9=42, Resulting Numbers: [3, 42] Generated Node #0,0,1: 26:[3, 42] Operation: 51-9=42 Exploring Operation: 51-3=48, Resulting Numbers: [9, 48] Generated Node #0,0,2: 26:[9, 48] Operation: 51-3=48 Moving to Node #0,2 Current State: 26:[51, 15, 5], Operations: ['45/9=5'] Exploring Operation: 51-15=36, Resulting Numbers: [5, 36] Generated Node #0,2,0: 26:[5, 36] Operation: 51-15=36 Exploring Operation: 51-5=46, Resulting Numbers: [15, 46] Generated Node #0,2,1: 26:[15, 46] Operation: 51-5=46 Exploring Operation: 15/5=3, Resulting Numbers: [51, 3] Generated Node #0,2,2: 26:[51, 3] Operation: 15/5=3 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 26:[5, 36], Operations: ['45/9=5', '51-15=36'] Exploring Operation: 5+36=41, Resulting Numbers: [41] 41,26 unequal: No Solution Exploring Operation: 5*36=180, Resulting Numbers: [180] 180,26 unequal: No Solution Exploring Operation: 36-5=31, Resulting Numbers: [31] 31,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 26:[15, 46], Operations: ['45/9=5', '51-5=46'] Exploring Operation: 15+46=61, Resulting Numbers: [61] 61,26 unequal: No Solution Exploring Operation: 46-15=31, Resulting Numbers: [31] 31,26 unequal: No Solution Exploring Operation: 15*46=690, Resulting Numbers: [690] 690,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 26:[51, 3], Operations: ['45/9=5', '15/5=3'] Exploring Operation: 51/3=17, Resulting Numbers: [17] 17,26 unequal: No Solution Exploring Operation: 51-3=48, Resulting Numbers: [48] 48,26 unequal: No Solution Exploring Operation: 51+3=54, Resulting Numbers: [54] 54,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,0 Current State: 26:[9, 17], Operations: ['45/15=3', '51/3=17'] Exploring Operation: 17-9=8, Resulting Numbers: [8] 8,26 unequal: No Solution Exploring Operation: 9*17=153, Resulting Numbers: [153] 153,26 unequal: No Solution Exploring Operation: 9+17=26, Resulting Numbers: [26] 26,26 equal: Goal Reached Moving to Node #0 Current State: 26:[51, 15, 45, 9], Operations: [] Exploring Operation: 45/15=3, Resulting Numbers: [51, 9, 3] Generated Node #0,0: 26:[51, 9, 3] Operation: 45/15=3 Moving to Node #0,0 Current State: 26:[51, 9, 3], Operations: ['45/15=3'] Exploring Operation: 51/3=17, Resulting Numbers: [9, 17] Generated Node #0,0,0: 26:[9, 17] Operation: 51/3=17 Moving to Node #0,0,0 Current State: 26:[9, 17], Operations: ['45/15=3', '51/3=17'] Exploring Operation: 9+17=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
0.967882
hs_3
mult_heuristic
[ 31, 95, 61, 74 ]
51
[ "95-31=64", "74-61=13", "64-13=51" ]
Current State: 51:[31, 95, 61, 74], Operations: [] Exploring Operation: 95-31=64, Resulting Numbers: [61, 74, 64] Generated Node #2: [61, 74, 64] from Operation: 95-31=64 Current State: 51:[61, 74, 64], Operations: ['95-31=64'] Exploring Operation: 74-61=13, Resulting Numbers: [64, 13] Generated Node #3: [64, 13] from Operation: 74-61=13 Current State: 51:[64, 13], Operations: ['95-31=64', '74-61=13'] Exploring Operation: 64-13=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[31, 95, 61, 74], Operations: [] Exploring Operation: 95-74=21, Resulting Numbers: [31, 61, 21] Generated Node #0,0: 51:[31, 61, 21] Operation: 95-74=21 Moving to Node #0,0 Current State: 51:[31, 61, 21], Operations: ['95-74=21'] Exploring Operation: 31+21=52, Resulting Numbers: [61, 52] Generated Node #0,0,0: 51:[61, 52] Operation: 31+21=52 Moving to Node #0,0,0 Current State: 51:[61, 52], Operations: ['95-74=21', '31+21=52'] Exploring Operation: 61-52=9, Resulting Numbers: [9] 9,51 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 73, 94, 61, 33 ]
73
[ "73+94=167", "61+33=94", "167-94=73" ]
Current State: 73:[73, 94, 61, 33], Operations: [] Exploring Operation: 73+94=167, Resulting Numbers: [61, 33, 167] Generated Node #2: [61, 33, 167] from Operation: 73+94=167 Current State: 73:[61, 33, 167], Operations: ['73+94=167'] Exploring Operation: 61+33=94, Resulting Numbers: [167, 94] Generated Node #3: [167, 94] from Operation: 61+33=94 Current State: 73:[167, 94], Operations: ['73+94=167', '61+33=94'] Exploring Operation: 167-94=73, Resulting Numbers: [73] 73,73 equal: Goal Reached
4
Current State: 73:[73, 94, 61, 33], Operations: [] Exploring Operation: 61+33=94, Resulting Numbers: [73, 94, 94] Generated Node #0,0: 73:[73, 94, 94] Operation: 61+33=94 Exploring Operation: 94+33=127, Resulting Numbers: [73, 61, 127] Generated Node #0,1: 73:[73, 61, 127] Operation: 94+33=127 Exploring Operation: 73-33=40, Resulting Numbers: [94, 61, 40] Generated Node #0,2: 73:[94, 61, 40] Operation: 73-33=40 Exploring Operation: 94-33=61, Resulting Numbers: [73, 61, 61] Generated Node #0,3: 73:[73, 61, 61] Operation: 94-33=61 Exploring Operation: 73+33=106, Resulting Numbers: [94, 61, 106] Generated Node #0,4: 73:[94, 61, 106] Operation: 73+33=106 Start Sub Search at level 1: Moving to Node #0,3 Current State: 73:[73, 61, 61], Operations: ['94-33=61'] Exploring Operation: 61/61=1, Resulting Numbers: [73, 1] Generated Node #0,3,0: 73:[73, 1] Operation: 61/61=1 Exploring Operation: 73-61=12, Resulting Numbers: [61, 12] Generated Node #0,3,1: 73:[61, 12] Operation: 73-61=12 Exploring Operation: 73+61=134, Resulting Numbers: [61, 134] Generated Node #0,3,2: 73:[61, 134] Operation: 73+61=134 Exploring Operation: 61+61=122, Resulting Numbers: [73, 122] Generated Node #0,3,3: 73:[73, 122] Operation: 61+61=122 Exploring Operation: 73+61=134, Resulting Numbers: [61, 134] Generated Node #0,3,4: 73:[61, 134] Operation: 73+61=134 Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 73:[73, 122], Operations: ['94-33=61', '61+61=122'] Exploring Operation: 73*122=8906, Resulting Numbers: [8906] 8906,73 unequal: No Solution Exploring Operation: 122-73=49, Resulting Numbers: [49] 49,73 unequal: No Solution Exploring Operation: 73+122=195, Resulting Numbers: [195] 195,73 unequal: No Solution No 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: 73:[73, 1], Operations: ['94-33=61', '61/61=1'] Exploring Operation: 73/1=73, Resulting Numbers: [73] 73,73 equal: Goal Reached Moving to Node #0 Current State: 73:[73, 94, 61, 33], Operations: [] Exploring Operation: 94-33=61, Resulting Numbers: [73, 61, 61] Generated Node #0,3: 73:[73, 61, 61] Operation: 94-33=61 Moving to Node #0,3 Current State: 73:[73, 61, 61], Operations: ['94-33=61'] Exploring Operation: 61/61=1, Resulting Numbers: [73, 1] Generated Node #0,3,0: 73:[73, 1] Operation: 61/61=1 Moving to Node #0,3,0 Current State: 73:[73, 1], Operations: ['94-33=61', '61/61=1'] Exploring Operation: 73/1=73, Resulting Numbers: [73] 73,73 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.984375
hs_5
sum_heuristic
[ 8, 35, 8, 8 ]
43
[ "8+35=43", "8-8=0", "43+0=43" ]
Current State: 43:[8, 35, 8, 8], Operations: [] Exploring Operation: 8+35=43, Resulting Numbers: [43] 43,43 equal: Goal Reached Exploring Operation: 8-8=0, Resulting Numbers: [43, 0] Generated Node #2: [43, 0] from Operation: 8-8=0 Current State: 43:[43, 0], Operations: ['8-8=0'] Exploring Operation: 43+0=43, Resulting Numbers: [43] 43,43 equal: Goal Reached
4
Current State: 43:[8, 35, 8, 8], Operations: [] Exploring Operation: 8*8=64, Resulting Numbers: [35, 8, 64] Generated Node #0,0: 43:[35, 8, 64] Operation: 8*8=64 Moving to Node #0,0 Current State: 43:[35, 8, 64], Operations: ['8*8=64'] Exploring Operation: 35+8=43, Resulting Numbers: [64, 43] Generated Node #0,0,0: 43:[64, 43] Operation: 35+8=43 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 43:[64, 43], Operations: ['8*8=64', '35+8=43'] Exploring Operation: 64-43=21, Resulting Numbers: [21] 21,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 25, 56, 28, 28 ]
26
[ "56-28=28", "28/28=1", "25+1=26" ]
Current State: 26:[25, 56, 28, 28], Operations: [] Exploring Operation: 56-28=28, Resulting Numbers: [25, 28] Generated Node #2: [25, 28] from Operation: 56-28=28 Current State: 26:[25, 28], Operations: ['56-28=28'] Exploring Operation: 28/28=1, Resulting Numbers: [25, 1] Generated Node #3: [25, 1] from Operation: 28/28=1 Current State: 26:[25, 1], Operations: ['56-28=28', '28/28=1'] Exploring Operation: 25+1=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
4
Current State: 26:[25, 56, 28, 28], Operations: [] Exploring Operation: 56/28=2, Resulting Numbers: [25, 28, 2] Generated Node #0,0: 26:[25, 28, 2] Operation: 56/28=2 Moving to Node #0,0 Current State: 26:[25, 28, 2], Operations: ['56/28=2'] Exploring Operation: 28-25=3, Resulting Numbers: [2, 3] Generated Node #0,0,0: 26:[2, 3] Operation: 28-25=3 Moving to Node #0,0,0 Current State: 26:[2, 3], Operations: ['56/28=2', '28-25=3'] Exploring Operation: 3-2=1, Resulting Numbers: [1] 1,26 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 21, 63, 90, 69 ]
64
[ "90-21=69", "69/69=1", "63+1=64" ]
Current State: 64:[21, 63, 90, 69], Operations: [] Exploring Operation: 90-21=69, Resulting Numbers: [63, 69, 69] Generated Node #2: [63, 69, 69] from Operation: 90-21=69 Current State: 64:[63, 69, 69], Operations: ['90-21=69'] Exploring Operation: 69/69=1, Resulting Numbers: [63, 1] Generated Node #3: [63, 1] from Operation: 69/69=1 Current State: 64:[63, 1], Operations: ['90-21=69', '69/69=1'] Exploring Operation: 63+1=64, Resulting Numbers: [64] 64,64 equal: Goal Reached
4
Current State: 64:[21, 63, 90, 69], Operations: [] Exploring Operation: 90-69=21, Resulting Numbers: [21, 63, 21] Generated Node #0,0: 64:[21, 63, 21] Operation: 90-69=21 Exploring Operation: 90-21=69, Resulting Numbers: [63, 69, 69] Generated Node #0,1: 64:[63, 69, 69] Operation: 90-21=69 Exploring Operation: 90-63=27, Resulting Numbers: [21, 69, 27] Generated Node #0,2: 64:[21, 69, 27] Operation: 90-63=27 Start Sub Search at level 1: Moving to Node #0,0 Current State: 64:[21, 63, 21], Operations: ['90-69=21'] Exploring Operation: 21/21=1, Resulting Numbers: [63, 1] Generated Node #0,0,0: 64:[63, 1] Operation: 21/21=1 Exploring Operation: 21-21=0, Resulting Numbers: [63, 0] Generated Node #0,0,1: 64:[63, 0] Operation: 21-21=0 Exploring Operation: 63/21=3, Resulting Numbers: [21, 3] Generated Node #0,0,2: 64:[21, 3] Operation: 63/21=3 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 64:[63, 1], Operations: ['90-69=21', '21/21=1'] Exploring Operation: 63*1=63, Resulting Numbers: [63] 63,64 unequal: No Solution Exploring Operation: 63/1=63, Resulting Numbers: [63] 63,64 unequal: No Solution Exploring Operation: 63+1=64, Resulting Numbers: [64] 64,64 equal: Goal Reached Moving to Node #0 Current State: 64:[21, 63, 90, 69], Operations: [] Exploring Operation: 90-69=21, Resulting Numbers: [21, 63, 21] Generated Node #0,0: 64:[21, 63, 21] Operation: 90-69=21 Moving to Node #0,0 Current State: 64:[21, 63, 21], Operations: ['90-69=21'] Exploring Operation: 21/21=1, Resulting Numbers: [63, 1] Generated Node #0,0,0: 64:[63, 1] Operation: 21/21=1 Moving to Node #0,0,0 Current State: 64:[63, 1], Operations: ['90-69=21', '21/21=1'] Exploring Operation: 63+1=64, Resulting Numbers: [64] 64,64 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.988715
hs_3
sum_heuristic
[ 2, 19, 26, 68 ]
73
[ "2+19=21", "26+68=94", "94-21=73" ]
Current State: 73:[2, 19, 26, 68], Operations: [] Exploring Operation: 2+19=21, Resulting Numbers: [26, 68, 21] Generated Node #2: [26, 68, 21] from Operation: 2+19=21 Current State: 73:[26, 68, 21], Operations: ['2+19=21'] Exploring Operation: 26+68=94, Resulting Numbers: [21, 94] Generated Node #3: [21, 94] from Operation: 26+68=94 Current State: 73:[21, 94], Operations: ['2+19=21', '26+68=94'] Exploring Operation: 94-21=73, Resulting Numbers: [73] 73,73 equal: Goal Reached
4
Current State: 73:[2, 19, 26, 68], Operations: [] Exploring Operation: 2+19=21, Resulting Numbers: [26, 68, 21] Generated Node #0,0: 73:[26, 68, 21] Operation: 2+19=21 Exploring Operation: 2+68=70, Resulting Numbers: [19, 26, 70] Generated Node #0,1: 73:[19, 26, 70] Operation: 2+68=70 Exploring Operation: 2*26=52, Resulting Numbers: [19, 68, 52] Generated Node #0,2: 73:[19, 68, 52] Operation: 2*26=52 Exploring Operation: 2+26=28, Resulting Numbers: [19, 68, 28] Generated Node #0,3: 73:[19, 68, 28] Operation: 2+26=28 Exploring Operation: 2*19=38, Resulting Numbers: [26, 68, 38] Generated Node #0,4: 73:[26, 68, 38] Operation: 2*19=38 Start Sub Search at level 1: Moving to Node #0,2 Current State: 73:[19, 68, 52], Operations: ['2*26=52'] Exploring Operation: 19+68=87, Resulting Numbers: [52, 87] Generated Node #0,2,0: 73:[52, 87] Operation: 19+68=87 Exploring Operation: 19+52=71, Resulting Numbers: [68, 71] Generated Node #0,2,1: 73:[68, 71] Operation: 19+52=71 Exploring Operation: 52-19=33, Resulting Numbers: [68, 33] Generated Node #0,2,2: 73:[68, 33] Operation: 52-19=33 Exploring Operation: 68-19=49, Resulting Numbers: [52, 49] Generated Node #0,2,3: 73:[52, 49] Operation: 68-19=49 Exploring Operation: 68+52=120, Resulting Numbers: [19, 120] Generated Node #0,2,4: 73:[19, 120] Operation: 68+52=120 Moving to Node #0,2,1 Current State: 73:[68, 71], Operations: ['2*26=52', '19+52=71'] Exploring Operation: 71-68=3, Resulting Numbers: [3] 3,73 unequal: No Solution Exploring Operation: 68*71=4828, Resulting Numbers: [4828] 4828,73 unequal: No Solution Exploring Operation: 68+71=139, Resulting Numbers: [139] 139,73 unequal: No Solution Moving to Node #0,2,0 Current State: 73:[52, 87], Operations: ['2*26=52', '19+68=87'] Exploring Operation: 52+87=139, Resulting Numbers: [139] 139,73 unequal: No Solution Exploring Operation: 87-52=35, Resulting Numbers: [35] 35,73 unequal: No Solution Exploring Operation: 52*87=4524, Resulting Numbers: [4524] 4524,73 unequal: No Solution Moving to Node #0,2,2 Current State: 73:[68, 33], Operations: ['2*26=52', '52-19=33'] Exploring Operation: 68-33=35, Resulting Numbers: [35] 35,73 unequal: No Solution Exploring Operation: 68+33=101, Resulting Numbers: [101] 101,73 unequal: No Solution Exploring Operation: 68*33=2244, Resulting Numbers: [2244] 2244,73 unequal: No Solution Moving to Node #0,2,3 Current State: 73:[52, 49], Operations: ['2*26=52', '68-19=49'] Exploring Operation: 52*49=2548, Resulting Numbers: [2548] 2548,73 unequal: No Solution Exploring Operation: 52-49=3, Resulting Numbers: [3] 3,73 unequal: No Solution Exploring Operation: 52+49=101, Resulting Numbers: [101] 101,73 unequal: No Solution Moving to Node #0,2,4 Current State: 73:[19, 120], Operations: ['2*26=52', '68+52=120'] Exploring Operation: 120-19=101, Resulting Numbers: [101] 101,73 unequal: No Solution Exploring Operation: 19+120=139, Resulting Numbers: [139] 139,73 unequal: No Solution Exploring Operation: 19*120=2280, Resulting Numbers: [2280] 2280,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 73:[26, 68, 38], Operations: ['2*19=38'] Exploring Operation: 26+38=64, Resulting Numbers: [68, 64] Generated Node #0,4,0: 73:[68, 64] Operation: 26+38=64 Exploring Operation: 38-26=12, Resulting Numbers: [68, 12] Generated Node #0,4,1: 73:[68, 12] Operation: 38-26=12 Exploring Operation: 26+68=94, Resulting Numbers: [38, 94] Generated Node #0,4,2: 73:[38, 94] Operation: 26+68=94 Exploring Operation: 68+38=106, Resulting Numbers: [26, 106] Generated Node #0,4,3: 73:[26, 106] Operation: 68+38=106 Exploring Operation: 68-26=42, Resulting Numbers: [38, 42] Generated Node #0,4,4: 73:[38, 42] Operation: 68-26=42 Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 73:[68, 64], Operations: ['2*19=38', '26+38=64'] Exploring Operation: 68*64=4352, Resulting Numbers: [4352] 4352,73 unequal: No Solution Exploring Operation: 68-64=4, Resulting Numbers: [4] 4,73 unequal: No Solution Exploring Operation: 68+64=132, Resulting Numbers: [132] 132,73 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 73:[38, 94], Operations: ['2*19=38', '26+68=94'] Exploring Operation: 38+94=132, Resulting Numbers: [132] 132,73 unequal: No Solution Exploring Operation: 94-38=56, Resulting Numbers: [56] 56,73 unequal: No Solution Exploring Operation: 38*94=3572, Resulting Numbers: [3572] 3572,73 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 73:[68, 12], Operations: ['2*19=38', '38-26=12'] Exploring Operation: 68+12=80, Resulting Numbers: [80] 80,73 unequal: No Solution Exploring Operation: 68-12=56, Resulting Numbers: [56] 56,73 unequal: No Solution Exploring Operation: 68*12=816, Resulting Numbers: [816] 816,73 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 73:[38, 42], Operations: ['2*19=38', '68-26=42'] Exploring Operation: 42-38=4, Resulting Numbers: [4] 4,73 unequal: No Solution Exploring Operation: 38*42=1596, Resulting Numbers: [1596] 1596,73 unequal: No Solution Exploring Operation: 38+42=80, Resulting Numbers: [80] 80,73 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 73:[26, 106], Operations: ['2*19=38', '68+38=106'] Exploring Operation: 26+106=132, Resulting Numbers: [132] 132,73 unequal: No Solution Exploring Operation: 26*106=2756, Resulting Numbers: [2756] 2756,73 unequal: No Solution Exploring Operation: 106-26=80, Resulting Numbers: [80] 80,73 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 73:[26, 68, 21], Operations: ['2+19=21'] Exploring Operation: 26+21=47, Resulting Numbers: [68, 47] Generated Node #0,0,0: 73:[68, 47] Operation: 26+21=47 Exploring Operation: 26+68=94, Resulting Numbers: [21, 94] Generated Node #0,0,1: 73:[21, 94] Operation: 26+68=94 Exploring Operation: 26-21=5, Resulting Numbers: [68, 5] Generated Node #0,0,2: 73:[68, 5] Operation: 26-21=5 Exploring Operation: 68-21=47, Resulting Numbers: [26, 47] Generated Node #0,0,3: 73:[26, 47] Operation: 68-21=47 Exploring Operation: 68+21=89, Resulting Numbers: [26, 89] Generated Node #0,0,4: 73:[26, 89] Operation: 68+21=89 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 73:[68, 47], Operations: ['2+19=21', '26+21=47'] Exploring Operation: 68-47=21, Resulting Numbers: [21] 21,73 unequal: No Solution Exploring Operation: 68*47=3196, Resulting Numbers: [3196] 3196,73 unequal: No Solution Exploring Operation: 68+47=115, Resulting Numbers: [115] 115,73 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 73:[26, 89], Operations: ['2+19=21', '68+21=89'] Exploring Operation: 26+89=115, Resulting Numbers: [115] 115,73 unequal: No Solution Exploring Operation: 26*89=2314, Resulting Numbers: [2314] 2314,73 unequal: No Solution Exploring Operation: 89-26=63, Resulting Numbers: [63] 63,73 unequal: No Solution No 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: 73:[21, 94], Operations: ['2+19=21', '26+68=94'] Exploring Operation: 21*94=1974, Resulting Numbers: [1974] 1974,73 unequal: No Solution Exploring Operation: 21+94=115, Resulting Numbers: [115] 115,73 unequal: No Solution Exploring Operation: 94-21=73, Resulting Numbers: [73] 73,73 equal: Goal Reached Moving to Node #0 Current State: 73:[2, 19, 26, 68], Operations: [] Exploring Operation: 2+19=21, Resulting Numbers: [26, 68, 21] Generated Node #0,0: 73:[26, 68, 21] Operation: 2+19=21 Moving to Node #0,0 Current State: 73:[26, 68, 21], Operations: ['2+19=21'] Exploring Operation: 26+68=94, Resulting Numbers: [21, 94] Generated Node #0,0,1: 73:[21, 94] Operation: 26+68=94 Moving to Node #0,0,1 Current State: 73:[21, 94], Operations: ['2+19=21', '26+68=94'] Exploring Operation: 94-21=73, Resulting Numbers: [73] 73,73 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.945313
hs_5
mult_heuristic
[ 11, 20, 60, 63 ]
53
[ "20-11=9", "63/9=7", "60-7=53" ]
Current State: 53:[11, 20, 60, 63], Operations: [] Exploring Operation: 20-11=9, Resulting Numbers: [60, 63, 9] Generated Node #2: [60, 63, 9] from Operation: 20-11=9 Current State: 53:[60, 63, 9], Operations: ['20-11=9'] Exploring Operation: 63/9=7, Resulting Numbers: [60, 7] Generated Node #3: [60, 7] from Operation: 63/9=7 Current State: 53:[60, 7], Operations: ['20-11=9', '63/9=7'] Exploring Operation: 60-7=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[11, 20, 60, 63], Operations: [] Exploring Operation: 60-11=49, Resulting Numbers: [20, 63, 49] Generated Node #0,0: 53:[20, 63, 49] Operation: 60-11=49 Exploring Operation: 63-11=52, Resulting Numbers: [20, 60, 52] Generated Node #0,1: 53:[20, 60, 52] Operation: 63-11=52 Exploring Operation: 63-20=43, Resulting Numbers: [11, 60, 43] Generated Node #0,2: 53:[11, 60, 43] Operation: 63-20=43 Exploring Operation: 11+20=31, Resulting Numbers: [60, 63, 31] Generated Node #0,3: 53:[60, 63, 31] Operation: 11+20=31 Moving to Node #0,3 Current State: 53:[60, 63, 31], Operations: ['11+20=31'] Exploring Operation: 63+31=94, Resulting Numbers: [60, 94] Generated Node #0,3,0: 53:[60, 94] Operation: 63+31=94 Exploring Operation: 60-31=29, Resulting Numbers: [63, 29] Generated Node #0,3,1: 53:[63, 29] Operation: 60-31=29 Exploring Operation: 60+31=91, Resulting Numbers: [63, 91] Generated Node #0,3,2: 53:[63, 91] Operation: 60+31=91 Exploring Operation: 63-31=32, Resulting Numbers: [60, 32] Generated Node #0,3,3: 53:[60, 32] Operation: 63-31=32 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 53:[60, 32], Operations: ['11+20=31', '63-31=32'] Exploring Operation: 60-32=28, Resulting Numbers: [28] 28,53 unequal: No Solution Exploring Operation: 60+32=92, Resulting Numbers: [92] 92,53 unequal: No Solution Exploring Operation: 60*32=1920, Resulting Numbers: [1920] 1920,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 53:[63, 29], Operations: ['11+20=31', '60-31=29'] Exploring Operation: 63+29=92, Resulting Numbers: [92] 92,53 unequal: No Solution Exploring Operation: 63*29=1827, Resulting Numbers: [1827] 1827,53 unequal: No Solution Exploring Operation: 63-29=34, Resulting Numbers: [34] 34,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 53:[60, 94], Operations: ['11+20=31', '63+31=94'] Exploring Operation: 94-60=34, Resulting Numbers: [34] 34,53 unequal: No Solution Exploring Operation: 60*94=5640, Resulting Numbers: [5640] 5640,53 unequal: No Solution Exploring Operation: 60+94=154, Resulting Numbers: [154] 154,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 53:[63, 91], Operations: ['11+20=31', '60+31=91'] Exploring Operation: 63+91=154, Resulting Numbers: [154] 154,53 unequal: No Solution Exploring Operation: 63*91=5733, Resulting Numbers: [5733] 5733,53 unequal: No Solution Exploring Operation: 91-63=28, Resulting Numbers: [28] 28,53 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: 53:[20, 60, 52], Operations: ['63-11=52'] Exploring Operation: 20+60=80, Resulting Numbers: [52, 80] Generated Node #0,1,0: 53:[52, 80] Operation: 20+60=80 Exploring Operation: 60-20=40, Resulting Numbers: [52, 40] Generated Node #0,1,1: 53:[52, 40] Operation: 60-20=40 Exploring Operation: 52-20=32, Resulting Numbers: [60, 32] Generated Node #0,1,2: 53:[60, 32] Operation: 52-20=32 Exploring Operation: 20+52=72, Resulting Numbers: [60, 72] Generated Node #0,1,3: 53:[60, 72] Operation: 20+52=72 Moving to Node #0,0 Current State: 53:[20, 63, 49], Operations: ['60-11=49'] Exploring Operation: 49-20=29, Resulting Numbers: [63, 29] Generated Node #0,0,0: 53:[63, 29] Operation: 49-20=29 Exploring Operation: 20+63=83, Resulting Numbers: [49, 83] Generated Node #0,0,1: 53:[49, 83] Operation: 20+63=83 Exploring Operation: 20+49=69, Resulting Numbers: [63, 69] Generated Node #0,0,2: 53:[63, 69] Operation: 20+49=69 Exploring Operation: 63-20=43, Resulting Numbers: [49, 43] Generated Node #0,0,3: 53:[49, 43] Operation: 63-20=43 Moving to Node #0,2 Current State: 53:[11, 60, 43], Operations: ['63-20=43'] Exploring Operation: 60-11=49, Resulting Numbers: [43, 49] Generated Node #0,2,0: 53:[43, 49] Operation: 60-11=49 Exploring Operation: 11+43=54, Resulting Numbers: [60, 54] Generated Node #0,2,1: 53:[60, 54] Operation: 11+43=54 Exploring Operation: 43-11=32, Resulting Numbers: [60, 32] Generated Node #0,2,2: 53:[60, 32] Operation: 43-11=32 Exploring Operation: 11+60=71, Resulting Numbers: [43, 71] Generated Node #0,2,3: 53:[43, 71] Operation: 11+60=71 Moving to Node #0,2,1 Current State: 53:[60, 54], Operations: ['63-20=43', '11+43=54'] Exploring Operation: 60+54=114, Resulting Numbers: [114] 114,53 unequal: No Solution Exploring Operation: 60*54=3240, Resulting Numbers: [3240] 3240,53 unequal: No Solution Exploring Operation: 60-54=6, Resulting Numbers: [6] 6,53 unequal: No Solution Moving to Node #0,1,1 Current State: 53:[52, 40], Operations: ['63-11=52', '60-20=40'] Exploring Operation: 52-40=12, Resulting Numbers: [12] 12,53 unequal: No Solution Exploring Operation: 52+40=92, Resulting Numbers: [92] 92,53 unequal: No Solution Exploring Operation: 52*40=2080, Resulting Numbers: [2080] 2080,53 unequal: No Solution Moving to Node #0,2,0 Current State: 53:[43, 49], Operations: ['63-20=43', '60-11=49'] Exploring Operation: 43*49=2107, Resulting Numbers: [2107] 2107,53 unequal: No Solution Exploring Operation: 43+49=92, Resulting Numbers: [92] 92,53 unequal: No Solution Exploring Operation: 49-43=6, Resulting Numbers: [6] 6,53 unequal: No Solution Moving to Node #0,0,3 Current State: 53:[49, 43], Operations: ['60-11=49', '63-20=43'] Exploring Operation: 49+43=92, Resulting Numbers: [92] 92,53 unequal: No Solution Exploring Operation: 49*43=2107, Resulting Numbers: [2107] 2107,53 unequal: No Solution Exploring Operation: 49-43=6, Resulting Numbers: [6] 6,53 unequal: No Solution Moving to Node #0,0,2 Current State: 53:[63, 69], Operations: ['60-11=49', '20+49=69'] Exploring Operation: 63+69=132, Resulting Numbers: [132] 132,53 unequal: No Solution Exploring Operation: 69-63=6, Resulting Numbers: [6] 6,53 unequal: No Solution Exploring Operation: 63*69=4347, Resulting Numbers: [4347] 4347,53 unequal: No Solution Moving to Node #0,1,3 Current State: 53:[60, 72], Operations: ['63-11=52', '20+52=72'] Exploring Operation: 72-60=12, Resulting Numbers: [12] 12,53 unequal: No Solution Exploring Operation: 60*72=4320, Resulting Numbers: [4320] 4320,53 unequal: No Solution Exploring Operation: 60+72=132, Resulting Numbers: [132] 132,53 unequal: No Solution Moving to Node #0,1,0 Current State: 53:[52, 80], Operations: ['63-11=52', '20+60=80'] Exploring Operation: 52*80=4160, Resulting Numbers: [4160] 4160,53 unequal: No Solution Exploring Operation: 52+80=132, Resulting Numbers: [132] 132,53 unequal: No Solution Exploring Operation: 80-52=28, Resulting Numbers: [28] 28,53 unequal: No Solution Moving to Node #0,2,2 Current State: 53:[60, 32], Operations: ['63-20=43', '43-11=32'] Exploring Operation: 60-32=28, Resulting Numbers: [28] 28,53 unequal: No Solution Exploring Operation: 60*32=1920, Resulting Numbers: [1920] 1920,53 unequal: No Solution Exploring Operation: 60+32=92, Resulting Numbers: [92] 92,53 unequal: No Solution Moving to Node #0,2,3 Current State: 53:[43, 71], Operations: ['63-20=43', '11+60=71'] Exploring Operation: 71-43=28, Resulting Numbers: [28] 28,53 unequal: No Solution Exploring Operation: 43*71=3053, Resulting Numbers: [3053] 3053,53 unequal: No Solution Exploring Operation: 43+71=114, Resulting Numbers: [114] 114,53 unequal: No Solution Moving to Node #0,1,2 Current State: 53:[60, 32], Operations: ['63-11=52', '52-20=32'] Exploring Operation: 60-32=28, Resulting Numbers: [28] 28,53 unequal: No Solution Exploring Operation: 60*32=1920, Resulting Numbers: [1920] 1920,53 unequal: No Solution Exploring Operation: 60+32=92, Resulting Numbers: [92] 92,53 unequal: No Solution Moving to Node #0,0,1 Current State: 53:[49, 83], Operations: ['60-11=49', '20+63=83'] Exploring Operation: 83-49=34, Resulting Numbers: [34] 34,53 unequal: No Solution Exploring Operation: 49*83=4067, Resulting Numbers: [4067] 4067,53 unequal: No Solution Exploring Operation: 49+83=132, Resulting Numbers: [132] 132,53 unequal: No Solution Moving to Node #0,0,0 Current State: 53:[63, 29], Operations: ['60-11=49', '49-20=29'] Exploring Operation: 63+29=92, Resulting Numbers: [92] 92,53 unequal: No Solution Exploring Operation: 63-29=34, Resulting Numbers: [34] 34,53 unequal: No Solution Exploring Operation: 63*29=1827, Resulting Numbers: [1827] 1827,53 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 14, 20, 50, 44 ]
40
[ "14+20=34", "50-44=6", "34+6=40" ]
Current State: 40:[14, 20, 50, 44], Operations: [] Exploring Operation: 14+20=34, Resulting Numbers: [50, 44, 34] Generated Node #2: [50, 44, 34] from Operation: 14+20=34 Current State: 40:[50, 44, 34], Operations: ['14+20=34'] Exploring Operation: 50-44=6, Resulting Numbers: [34, 6] Generated Node #3: [34, 6] from Operation: 50-44=6 Current State: 40:[34, 6], Operations: ['14+20=34', '50-44=6'] Exploring Operation: 34+6=40, Resulting Numbers: [40] 40,40 equal: Goal Reached
4
Current State: 40:[14, 20, 50, 44], Operations: [] Exploring Operation: 20-14=6, Resulting Numbers: [50, 44, 6] Generated Node #0,0: 40:[50, 44, 6] Operation: 20-14=6 Exploring Operation: 50-44=6, Resulting Numbers: [14, 20, 6] Generated Node #0,1: 40:[14, 20, 6] Operation: 50-44=6 Exploring Operation: 50-14=36, Resulting Numbers: [20, 44, 36] Generated Node #0,2: 40:[20, 44, 36] Operation: 50-14=36 Moving to Node #0,1 Current State: 40:[14, 20, 6], Operations: ['50-44=6'] Exploring Operation: 14-6=8, Resulting Numbers: [20, 8] Generated Node #0,1,0: 40:[20, 8] Operation: 14-6=8 Exploring Operation: 14+6=20, Resulting Numbers: [20, 20] Generated Node #0,1,1: 40:[20, 20] Operation: 14+6=20 Exploring Operation: 20-14=6, Resulting Numbers: [6, 6] Generated Node #0,1,2: 40:[6, 6] Operation: 20-14=6 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 40:[20, 8], Operations: ['50-44=6', '14-6=8'] Exploring Operation: 20*8=160, Resulting Numbers: [160] 160,40 unequal: No Solution Exploring Operation: 20-8=12, Resulting Numbers: [12] 12,40 unequal: No Solution Exploring Operation: 20+8=28, Resulting Numbers: [28] 28,40 unequal: No Solution No 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: 40:[20, 20], Operations: ['50-44=6', '14+6=20'] Exploring Operation: 20/20=1, Resulting Numbers: [1] 1,40 unequal: No Solution Exploring Operation: 20+20=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Moving to Node #0 Current State: 40:[14, 20, 50, 44], Operations: [] Exploring Operation: 50-44=6, Resulting Numbers: [14, 20, 6] Generated Node #0,1: 40:[14, 20, 6] Operation: 50-44=6 Moving to Node #0,1 Current State: 40:[14, 20, 6], Operations: ['50-44=6'] Exploring Operation: 14+6=20, Resulting Numbers: [20, 20] Generated Node #0,1,1: 40:[20, 20] Operation: 14+6=20 Moving to Node #0,1,1 Current State: 40:[20, 20], Operations: ['50-44=6', '14+6=20'] Exploring Operation: 20+20=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_3
sum_heuristic
[ 53, 54, 6, 96 ]
78
[ "54+96=150", "150/6=25", "53+25=78" ]
Current State: 78:[53, 54, 6, 96], Operations: [] Exploring Operation: 54+96=150, Resulting Numbers: [53, 6, 150] Generated Node #2: [53, 6, 150] from Operation: 54+96=150 Current State: 78:[53, 6, 150], Operations: ['54+96=150'] Exploring Operation: 150/6=25, Resulting Numbers: [53, 25] Generated Node #3: [53, 25] from Operation: 150/6=25 Current State: 78:[53, 25], Operations: ['54+96=150', '150/6=25'] Exploring Operation: 53+25=78, Resulting Numbers: [78] 78,78 equal: Goal Reached
4
Current State: 78:[53, 54, 6, 96], Operations: [] Exploring Operation: 96-53=43, Resulting Numbers: [54, 6, 43] Generated Node #0,0: 78:[54, 6, 43] Operation: 96-53=43 Exploring Operation: 96-54=42, Resulting Numbers: [53, 6, 42] Generated Node #0,1: 78:[53, 6, 42] Operation: 96-54=42 Exploring Operation: 96/6=16, Resulting Numbers: [53, 54, 16] Generated Node #0,2: 78:[53, 54, 16] Operation: 96/6=16 Exploring Operation: 54-53=1, Resulting Numbers: [6, 96, 1] Generated Node #0,3: 78:[6, 96, 1] Operation: 54-53=1 Start Sub Search at level 1: Moving to Node #0,1 Current State: 78:[53, 6, 42], Operations: ['96-54=42'] Exploring Operation: 53-6=47, Resulting Numbers: [42, 47] Generated Node #0,1,0: 78:[42, 47] Operation: 53-6=47 Exploring Operation: 53-42=11, Resulting Numbers: [6, 11] Generated Node #0,1,1: 78:[6, 11] Operation: 53-42=11 Exploring Operation: 42/6=7, Resulting Numbers: [53, 7] Generated Node #0,1,2: 78:[53, 7] Operation: 42/6=7 Exploring Operation: 53+42=95, Resulting Numbers: [6, 95] Generated Node #0,1,3: 78:[6, 95] Operation: 53+42=95 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 78:[6, 11], Operations: ['96-54=42', '53-42=11'] Exploring Operation: 6*11=66, Resulting Numbers: [66] 66,78 unequal: No Solution Exploring Operation: 11-6=5, Resulting Numbers: [5] 5,78 unequal: No Solution Exploring Operation: 6+11=17, Resulting Numbers: [17] 17,78 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 #0,1,0 Current State: 78:[42, 47], Operations: ['96-54=42', '53-6=47'] Exploring Operation: 42+47=89, Resulting Numbers: [89] 89,78 unequal: No Solution Exploring Operation: 42*47=1974, Resulting Numbers: [1974] 1974,78 unequal: No Solution Exploring Operation: 47-42=5, Resulting Numbers: [5] 5,78 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 #0,1,2 Current State: 78:[53, 7], Operations: ['96-54=42', '42/6=7'] Exploring Operation: 53+7=60, Resulting Numbers: [60] 60,78 unequal: No Solution Exploring Operation: 53-7=46, Resulting Numbers: [46] 46,78 unequal: No Solution Exploring Operation: 53*7=371, Resulting Numbers: [371] 371,78 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 #0,1,3 Current State: 78:[6, 95], Operations: ['96-54=42', '53+42=95'] Exploring Operation: 6*95=570, Resulting Numbers: [570] 570,78 unequal: No Solution Exploring Operation: 6+95=101, Resulting Numbers: [101] 101,78 unequal: No Solution Exploring Operation: 95-6=89, Resulting Numbers: [89] 89,78 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 #0,0 Current State: 78:[54, 6, 43], Operations: ['96-53=43'] Exploring Operation: 54/6=9, Resulting Numbers: [43, 9] Generated Node #0,0,0: 78:[43, 9] Operation: 54/6=9 Exploring Operation: 54-43=11, Resulting Numbers: [6, 11] Generated Node #0,0,1: 78:[6, 11] Operation: 54-43=11 Exploring Operation: 54-6=48, Resulting Numbers: [43, 48] Generated Node #0,0,2: 78:[43, 48] Operation: 54-6=48 Exploring Operation: 43-6=37, Resulting Numbers: [54, 37] Generated Node #0,0,3: 78:[54, 37] Operation: 43-6=37 Moving to Node #0,0,1 Current State: 78:[6, 11], Operations: ['96-53=43', '54-43=11'] Exploring Operation: 6+11=17, Resulting Numbers: [17] 17,78 unequal: No Solution Exploring Operation: 11-6=5, Resulting Numbers: [5] 5,78 unequal: No Solution Exploring Operation: 6*11=66, Resulting Numbers: [66] 66,78 unequal: No Solution Moving to Node #0,0,0 Current State: 78:[43, 9], Operations: ['96-53=43', '54/6=9'] Exploring Operation: 43-9=34, Resulting Numbers: [34] 34,78 unequal: No Solution Exploring Operation: 43+9=52, Resulting Numbers: [52] 52,78 unequal: No Solution Exploring Operation: 43*9=387, Resulting Numbers: [387] 387,78 unequal: No Solution Moving to Node #0,0,2 Current State: 78:[43, 48], Operations: ['96-53=43', '54-6=48'] Exploring Operation: 48-43=5, Resulting Numbers: [5] 5,78 unequal: No Solution Exploring Operation: 43*48=2064, Resulting Numbers: [2064] 2064,78 unequal: No Solution Exploring Operation: 43+48=91, Resulting Numbers: [91] 91,78 unequal: No Solution Moving to Node #0,0,3 Current State: 78:[54, 37], Operations: ['96-53=43', '43-6=37'] Exploring Operation: 54*37=1998, Resulting Numbers: [1998] 1998,78 unequal: No Solution Exploring Operation: 54+37=91, Resulting Numbers: [91] 91,78 unequal: No Solution Exploring Operation: 54-37=17, Resulting Numbers: [17] 17,78 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 78:[6, 96, 1], Operations: ['54-53=1'] Exploring Operation: 96-6=90, Resulting Numbers: [1, 90] Generated Node #0,3,0: 78:[1, 90] Operation: 96-6=90 Exploring Operation: 6*1=6, Resulting Numbers: [96, 6] Generated Node #0,3,1: 78:[96, 6] Operation: 6*1=6 Exploring Operation: 96/6=16, Resulting Numbers: [1, 16] Generated Node #0,3,2: 78:[1, 16] Operation: 96/6=16 Exploring Operation: 96-1=95, Resulting Numbers: [6, 95] Generated Node #0,3,3: 78:[6, 95] Operation: 96-1=95 Moving to Node #0,3,2 Current State: 78:[1, 16], Operations: ['54-53=1', '96/6=16'] Exploring Operation: 16-1=15, Resulting Numbers: [15] 15,78 unequal: No Solution Exploring Operation: 16/1=16, Resulting Numbers: [16] 16,78 unequal: No Solution Exploring Operation: 1*16=16, Resulting Numbers: [16] 16,78 unequal: No Solution Exploring Operation: 1+16=17, Resulting Numbers: [17] 17,78 unequal: No Solution Moving to Node #0,3,0 Current State: 78:[1, 90], Operations: ['54-53=1', '96-6=90'] Exploring Operation: 90-1=89, Resulting Numbers: [89] 89,78 unequal: No Solution Exploring Operation: 90/1=90, Resulting Numbers: [90] 90,78 unequal: No Solution Exploring Operation: 1*90=90, Resulting Numbers: [90] 90,78 unequal: No Solution Exploring Operation: 1+90=91, Resulting Numbers: [91] 91,78 unequal: No Solution Moving to Node #0,3,3 Current State: 78:[6, 95], Operations: ['54-53=1', '96-1=95'] Exploring Operation: 6+95=101, Resulting Numbers: [101] 101,78 unequal: No Solution Exploring Operation: 95-6=89, Resulting Numbers: [89] 89,78 unequal: No Solution Exploring Operation: 6*95=570, Resulting Numbers: [570] 570,78 unequal: No Solution Moving to Node #0,3,1 Current State: 78:[96, 6], Operations: ['54-53=1', '6*1=6'] Exploring Operation: 96-6=90, Resulting Numbers: [90] 90,78 unequal: No Solution Exploring Operation: 96*6=576, Resulting Numbers: [576] 576,78 unequal: No Solution Exploring Operation: 96+6=102, Resulting Numbers: [102] 102,78 unequal: No Solution Exploring Operation: 96/6=16, Resulting Numbers: [16] 16,78 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 78:[53, 54, 16], Operations: ['96/6=16'] Exploring Operation: 54-16=38, Resulting Numbers: [53, 38] Generated Node #0,2,0: 78:[53, 38] Operation: 54-16=38 Exploring Operation: 54-53=1, Resulting Numbers: [16, 1] Generated Node #0,2,1: 78:[16, 1] Operation: 54-53=1 Exploring Operation: 54+16=70, Resulting Numbers: [53, 70] Generated Node #0,2,2: 78:[53, 70] Operation: 54+16=70 Exploring Operation: 53-16=37, Resulting Numbers: [54, 37] Generated Node #0,2,3: 78:[54, 37] Operation: 53-16=37 Moving to Node #0,2,1 Current State: 78:[16, 1], Operations: ['96/6=16', '54-53=1'] Exploring Operation: 16-1=15, Resulting Numbers: [15] 15,78 unequal: No Solution Exploring Operation: 16/1=16, Resulting Numbers: [16] 16,78 unequal: No Solution Exploring Operation: 16*1=16, Resulting Numbers: [16] 16,78 unequal: No Solution Exploring Operation: 16+1=17, Resulting Numbers: [17] 17,78 unequal: No Solution Moving to Node #0,2,0 Current State: 78:[53, 38], Operations: ['96/6=16', '54-16=38'] Exploring Operation: 53-38=15, Resulting Numbers: [15] 15,78 unequal: No Solution Exploring Operation: 53+38=91, Resulting Numbers: [91] 91,78 unequal: No Solution Exploring Operation: 53*38=2014, Resulting Numbers: [2014] 2014,78 unequal: No Solution Moving to Node #0,2,3 Current State: 78:[54, 37], Operations: ['96/6=16', '53-16=37'] Exploring Operation: 54-37=17, Resulting Numbers: [17] 17,78 unequal: No Solution Exploring Operation: 54*37=1998, Resulting Numbers: [1998] 1998,78 unequal: No Solution Exploring Operation: 54+37=91, Resulting Numbers: [91] 91,78 unequal: No Solution Moving to Node #0,2,2 Current State: 78:[53, 70], Operations: ['96/6=16', '54+16=70'] Exploring Operation: 53*70=3710, Resulting Numbers: [3710] 3710,78 unequal: No Solution Exploring Operation: 53+70=123, Resulting Numbers: [123] 123,78 unequal: No Solution Exploring Operation: 70-53=17, Resulting Numbers: [17] 17,78 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
[ 61, 67, 61, 84 ]
84
[ "61-61=0", "67*0=0", "84+0=84" ]
Current State: 84:[61, 67, 61, 84], Operations: [] Exploring Operation: 61-61=0, Resulting Numbers: [67, 84, 0] Generated Node #2: [67, 84, 0] from Operation: 61-61=0 Current State: 84:[67, 84, 0], Operations: ['61-61=0'] Exploring Operation: 67*0=0, Resulting Numbers: [84, 0] Generated Node #3: [84, 0] from Operation: 67*0=0 Current State: 84:[84, 0], Operations: ['61-61=0', '67*0=0'] Exploring Operation: 84+0=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
4
Current State: 84:[61, 67, 61, 84], Operations: [] Exploring Operation: 61/61=1, Resulting Numbers: [67, 84, 1] Generated Node #0,0: 84:[67, 84, 1] Operation: 61/61=1 Start Sub Search at level 1: Moving to Node #0,0 Current State: 84:[67, 84, 1], Operations: ['61/61=1'] Exploring Operation: 84-67=17, Resulting Numbers: [1, 17] Generated Node #0,0,0: 84:[1, 17] Operation: 84-67=17 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 84:[1, 17], Operations: ['61/61=1', '84-67=17'] Exploring Operation: 17-1=16, Resulting Numbers: [16] 16,84 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 5, 71, 34, 36 ]
57
[ "71+34=105", "105/5=21", "36+21=57" ]
Current State: 57:[5, 71, 34, 36], Operations: [] Exploring Operation: 71+34=105, Resulting Numbers: [5, 36, 105] Generated Node #2: [5, 36, 105] from Operation: 71+34=105 Current State: 57:[5, 36, 105], Operations: ['71+34=105'] Exploring Operation: 105/5=21, Resulting Numbers: [36, 21] Generated Node #3: [36, 21] from Operation: 105/5=21 Current State: 57:[36, 21], Operations: ['71+34=105', '105/5=21'] Exploring Operation: 36+21=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
4
Current State: 57:[5, 71, 34, 36], Operations: [] Exploring Operation: 71-34=37, Resulting Numbers: [5, 36, 37] Generated Node #0,0: 57:[5, 36, 37] Operation: 71-34=37 Exploring Operation: 71-5=66, Resulting Numbers: [34, 36, 66] Generated Node #0,1: 57:[34, 36, 66] Operation: 71-5=66 Exploring Operation: 71-36=35, Resulting Numbers: [5, 34, 35] Generated Node #0,2: 57:[5, 34, 35] Operation: 71-36=35 Exploring Operation: 34+36=70, Resulting Numbers: [5, 71, 70] Generated Node #0,3: 57:[5, 71, 70] Operation: 34+36=70 Exploring Operation: 36-34=2, Resulting Numbers: [5, 71, 2] Generated Node #0,4: 57:[5, 71, 2] Operation: 36-34=2 Moving to Node #0,4 Current State: 57:[5, 71, 2], Operations: ['36-34=2'] Exploring Operation: 5+2=7, Resulting Numbers: [71, 7] Generated Node #0,4,0: 57:[71, 7] Operation: 5+2=7 Exploring Operation: 71-2=69, Resulting Numbers: [5, 69] Generated Node #0,4,1: 57:[5, 69] Operation: 71-2=69 Exploring Operation: 71-5=66, Resulting Numbers: [2, 66] Generated Node #0,4,2: 57:[2, 66] Operation: 71-5=66 Exploring Operation: 71+2=73, Resulting Numbers: [5, 73] Generated Node #0,4,3: 57:[5, 73] Operation: 71+2=73 Exploring Operation: 5-2=3, Resulting Numbers: [71, 3] Generated Node #0,4,4: 57:[71, 3] Operation: 5-2=3 Moving to Node #0,3 Current State: 57:[5, 71, 70], Operations: ['34+36=70'] Exploring Operation: 70/5=14, Resulting Numbers: [71, 14] Generated Node #0,3,0: 57:[71, 14] Operation: 70/5=14 Exploring Operation: 71-5=66, Resulting Numbers: [70, 66] Generated Node #0,3,1: 57:[70, 66] Operation: 71-5=66 Exploring Operation: 5+71=76, Resulting Numbers: [70, 76] Generated Node #0,3,2: 57:[70, 76] Operation: 5+71=76 Exploring Operation: 71-70=1, Resulting Numbers: [5, 1] Generated Node #0,3,3: 57:[5, 1] Operation: 71-70=1 Exploring Operation: 70-5=65, Resulting Numbers: [71, 65] Generated Node #0,3,4: 57:[71, 65] Operation: 70-5=65 Moving to Node #0,2 Current State: 57:[5, 34, 35], Operations: ['71-36=35'] Exploring Operation: 34-5=29, Resulting Numbers: [35, 29] Generated Node #0,2,0: 57:[35, 29] Operation: 34-5=29 Exploring Operation: 34+35=69, Resulting Numbers: [5, 69] Generated Node #0,2,1: 57:[5, 69] Operation: 34+35=69 Exploring Operation: 35/5=7, Resulting Numbers: [34, 7] Generated Node #0,2,2: 57:[34, 7] Operation: 35/5=7 Exploring Operation: 35-34=1, Resulting Numbers: [5, 1] Generated Node #0,2,3: 57:[5, 1] Operation: 35-34=1 Exploring Operation: 35-5=30, Resulting Numbers: [34, 30] Generated Node #0,2,4: 57:[34, 30] Operation: 35-5=30 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 57:[5, 1], Operations: ['71-36=35', '35-34=1'] Exploring Operation: 5+1=6, Resulting Numbers: [6] 6,57 unequal: No Solution Exploring Operation: 5*1=5, Resulting Numbers: [5] 5,57 unequal: No Solution Exploring Operation: 5-1=4, Resulting Numbers: [4] 4,57 unequal: No Solution Exploring Operation: 5/1=5, Resulting Numbers: [5] 5,57 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 57:[5, 69], Operations: ['71-36=35', '34+35=69'] Exploring Operation: 5+69=74, Resulting Numbers: [74] 74,57 unequal: No Solution Exploring Operation: 69-5=64, Resulting Numbers: [64] 64,57 unequal: No Solution Exploring Operation: 5*69=345, Resulting Numbers: [345] 345,57 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 57:[34, 7], Operations: ['71-36=35', '35/5=7'] Exploring Operation: 34*7=238, Resulting Numbers: [238] 238,57 unequal: No Solution Exploring Operation: 34+7=41, Resulting Numbers: [41] 41,57 unequal: No Solution Exploring Operation: 34-7=27, Resulting Numbers: [27] 27,57 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 57:[35, 29], Operations: ['71-36=35', '34-5=29'] Exploring Operation: 35+29=64, Resulting Numbers: [64] 64,57 unequal: No Solution Exploring Operation: 35*29=1015, Resulting Numbers: [1015] 1015,57 unequal: No Solution Exploring Operation: 35-29=6, Resulting Numbers: [6] 6,57 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 57:[34, 30], Operations: ['71-36=35', '35-5=30'] Exploring Operation: 34+30=64, Resulting Numbers: [64] 64,57 unequal: No Solution Exploring Operation: 34*30=1020, Resulting Numbers: [1020] 1020,57 unequal: No Solution Exploring Operation: 34-30=4, Resulting Numbers: [4] 4,57 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: 57:[5, 36, 37], Operations: ['71-34=37'] Exploring Operation: 36-5=31, Resulting Numbers: [37, 31] Generated Node #0,0,0: 57:[37, 31] Operation: 36-5=31 Exploring Operation: 37-36=1, Resulting Numbers: [5, 1] Generated Node #0,0,1: 57:[5, 1] Operation: 37-36=1 Exploring Operation: 37-5=32, Resulting Numbers: [36, 32] Generated Node #0,0,2: 57:[36, 32] Operation: 37-5=32 Exploring Operation: 5+37=42, Resulting Numbers: [36, 42] Generated Node #0,0,3: 57:[36, 42] Operation: 5+37=42 Exploring Operation: 36+37=73, Resulting Numbers: [5, 73] Generated Node #0,0,4: 57:[5, 73] Operation: 36+37=73 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 57:[5, 1], Operations: ['71-34=37', '37-36=1'] Exploring Operation: 5/1=5, Resulting Numbers: [5] 5,57 unequal: No Solution Exploring Operation: 5+1=6, Resulting Numbers: [6] 6,57 unequal: No Solution Exploring Operation: 5-1=4, Resulting Numbers: [4] 4,57 unequal: No Solution Exploring Operation: 5*1=5, Resulting Numbers: [5] 5,57 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 57:[5, 73], Operations: ['71-34=37', '36+37=73'] Exploring Operation: 5+73=78, Resulting Numbers: [78] 78,57 unequal: No Solution Exploring Operation: 5*73=365, Resulting Numbers: [365] 365,57 unequal: No Solution Exploring Operation: 73-5=68, Resulting Numbers: [68] 68,57 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 57:[37, 31], Operations: ['71-34=37', '36-5=31'] Exploring Operation: 37*31=1147, Resulting Numbers: [1147] 1147,57 unequal: No Solution Exploring Operation: 37+31=68, Resulting Numbers: [68] 68,57 unequal: No Solution Exploring Operation: 37-31=6, Resulting Numbers: [6] 6,57 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 57:[36, 32], Operations: ['71-34=37', '37-5=32'] Exploring Operation: 36-32=4, Resulting Numbers: [4] 4,57 unequal: No Solution Exploring Operation: 36+32=68, Resulting Numbers: [68] 68,57 unequal: No Solution Exploring Operation: 36*32=1152, Resulting Numbers: [1152] 1152,57 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 57:[36, 42], Operations: ['71-34=37', '5+37=42'] Exploring Operation: 42-36=6, Resulting Numbers: [6] 6,57 unequal: No Solution Exploring Operation: 36+42=78, Resulting Numbers: [78] 78,57 unequal: No Solution Exploring Operation: 36*42=1512, Resulting Numbers: [1512] 1512,57 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 57:[34, 36, 66], Operations: ['71-5=66'] Exploring Operation: 36-34=2, Resulting Numbers: [66, 2] Generated Node #0,1,0: 57:[66, 2] Operation: 36-34=2 Exploring Operation: 66-34=32, Resulting Numbers: [36, 32] Generated Node #0,1,1: 57:[36, 32] Operation: 66-34=32 Exploring Operation: 34+66=100, Resulting Numbers: [36, 100] Generated Node #0,1,2: 57:[36, 100] Operation: 34+66=100 Exploring Operation: 66-36=30, Resulting Numbers: [34, 30] Generated Node #0,1,3: 57:[34, 30] Operation: 66-36=30 Exploring Operation: 34+36=70, Resulting Numbers: [66, 70] Generated Node #0,1,4: 57:[66, 70] Operation: 34+36=70 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 57:[66, 2], Operations: ['71-5=66', '36-34=2'] Exploring Operation: 66-2=64, Resulting Numbers: [64] 64,57 unequal: No Solution Exploring Operation: 66+2=68, Resulting Numbers: [68] 68,57 unequal: No Solution Exploring Operation: 66*2=132, Resulting Numbers: [132] 132,57 unequal: No Solution Exploring Operation: 66/2=33, Resulting Numbers: [33] 33,57 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 57:[66, 70], Operations: ['71-5=66', '34+36=70'] Exploring Operation: 70-66=4, Resulting Numbers: [4] 4,57 unequal: No Solution Exploring Operation: 66*70=4620, Resulting Numbers: [4620] 4620,57 unequal: No Solution Exploring Operation: 66+70=136, Resulting Numbers: [136] 136,57 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 57:[34, 30], Operations: ['71-5=66', '66-36=30'] Exploring Operation: 34*30=1020, Resulting Numbers: [1020] 1020,57 unequal: No Solution Exploring Operation: 34-30=4, Resulting Numbers: [4] 4,57 unequal: No Solution Exploring Operation: 34+30=64, Resulting Numbers: [64] 64,57 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 57:[36, 32], Operations: ['71-5=66', '66-34=32'] Exploring Operation: 36+32=68, Resulting Numbers: [68] 68,57 unequal: No Solution Exploring Operation: 36-32=4, Resulting Numbers: [4] 4,57 unequal: No Solution Exploring Operation: 36*32=1152, Resulting Numbers: [1152] 1152,57 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 57:[36, 100], Operations: ['71-5=66', '34+66=100'] Exploring Operation: 100-36=64, Resulting Numbers: [64] 64,57 unequal: No Solution Exploring Operation: 36*100=3600, Resulting Numbers: [3600] 3600,57 unequal: No Solution Exploring Operation: 36+100=136, Resulting Numbers: [136] 136,57 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3,3 Current State: 57:[5, 1], Operations: ['34+36=70', '71-70=1'] Exploring Operation: 5+1=6, Resulting Numbers: [6] 6,57 unequal: No Solution Exploring Operation: 5-1=4, Resulting Numbers: [4] 4,57 unequal: No Solution Exploring Operation: 5/1=5, Resulting Numbers: [5] 5,57 unequal: No Solution Exploring Operation: 5*1=5, Resulting Numbers: [5] 5,57 unequal: No Solution Moving to Node #0,4,2 Current State: 57:[2, 66], Operations: ['36-34=2', '71-5=66'] Exploring Operation: 66/2=33, Resulting Numbers: [33] 33,57 unequal: No Solution Exploring Operation: 2+66=68, Resulting Numbers: [68] 68,57 unequal: No Solution Exploring Operation: 66-2=64, Resulting Numbers: [64] 64,57 unequal: No Solution Exploring Operation: 2*66=132, Resulting Numbers: [132] 132,57 unequal: No Solution Moving to Node #0,4,4 Current State: 57:[71, 3], Operations: ['36-34=2', '5-2=3'] Exploring Operation: 71-3=68, Resulting Numbers: [68] 68,57 unequal: No Solution Exploring Operation: 71+3=74, Resulting Numbers: [74] 74,57 unequal: No Solution Exploring Operation: 71*3=213, Resulting Numbers: [213] 213,57 unequal: No Solution Moving to Node #0,4,1 Current State: 57:[5, 69], Operations: ['36-34=2', '71-2=69'] Exploring Operation: 5*69=345, Resulting Numbers: [345] 345,57 unequal: No Solution Exploring Operation: 5+69=74, Resulting Numbers: [74] 74,57 unequal: No Solution Exploring Operation: 69-5=64, Resulting Numbers: [64] 64,57 unequal: No Solution Moving to Node #0,4,3 Current State: 57:[5, 73], Operations: ['36-34=2', '71+2=73'] Exploring Operation: 5+73=78, Resulting Numbers: [78] 78,57 unequal: No Solution Exploring Operation: 5*73=365, Resulting Numbers: [365] 365,57 unequal: No Solution Exploring Operation: 73-5=68, Resulting Numbers: [68] 68,57 unequal: No Solution Moving to Node #0,4,0 Current State: 57:[71, 7], Operations: ['36-34=2', '5+2=7'] Exploring Operation: 71*7=497, Resulting Numbers: [497] 497,57 unequal: No Solution Exploring Operation: 71+7=78, Resulting Numbers: [78] 78,57 unequal: No Solution Exploring Operation: 71-7=64, Resulting Numbers: [64] 64,57 unequal: No Solution Moving to Node #0,3,0 Current State: 57:[71, 14], Operations: ['34+36=70', '70/5=14'] Exploring Operation: 71+14=85, Resulting Numbers: [85] 85,57 unequal: No Solution Exploring Operation: 71-14=57, Resulting Numbers: [57] 57,57 equal: Goal Reached Moving to Node #0 Current State: 57:[5, 71, 34, 36], Operations: [] Exploring Operation: 34+36=70, Resulting Numbers: [5, 71, 70] Generated Node #0,3: 57:[5, 71, 70] Operation: 34+36=70 Moving to Node #0,3 Current State: 57:[5, 71, 70], Operations: ['34+36=70'] Exploring Operation: 70/5=14, Resulting Numbers: [71, 14] Generated Node #0,3,0: 57:[71, 14] Operation: 70/5=14 Moving to Node #0,3,0 Current State: 57:[71, 14], Operations: ['34+36=70', '70/5=14'] Exploring Operation: 71-14=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
0.909722
hs_5
mult_heuristic
[ 83, 5, 45, 58 ]
16
[ "83-58=25", "45/5=9", "25-9=16" ]
Current State: 16:[83, 5, 45, 58], Operations: [] Exploring Operation: 83-58=25, Resulting Numbers: [5, 45, 25] Generated Node #2: [5, 45, 25] from Operation: 83-58=25 Current State: 16:[5, 45, 25], Operations: ['83-58=25'] Exploring Operation: 45/5=9, Resulting Numbers: [25, 9] Generated Node #3: [25, 9] from Operation: 45/5=9 Current State: 16:[25, 9], Operations: ['83-58=25', '45/5=9'] Exploring Operation: 25-9=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[83, 5, 45, 58], Operations: [] Exploring Operation: 83-58=25, Resulting Numbers: [5, 45, 25] Generated Node #0,0: 16:[5, 45, 25] Operation: 83-58=25 Moving to Node #0,0 Current State: 16:[5, 45, 25], Operations: ['83-58=25'] Exploring Operation: 45-25=20, Resulting Numbers: [5, 20] Generated Node #0,0,0: 16:[5, 20] Operation: 45-25=20 Moving to Node #0,0,0 Current State: 16:[5, 20], Operations: ['83-58=25', '45-25=20'] Exploring Operation: 20/5=4, Resulting Numbers: [4] 4,16 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 39, 49, 14, 2 ]
22
[ "49-39=10", "14-2=12", "10+12=22" ]
Current State: 22:[39, 49, 14, 2], Operations: [] Exploring Operation: 49-39=10, Resulting Numbers: [14, 2, 10] Generated Node #2: [14, 2, 10] from Operation: 49-39=10 Current State: 22:[14, 2, 10], Operations: ['49-39=10'] Exploring Operation: 14-2=12, Resulting Numbers: [10, 12] Generated Node #3: [10, 12] from Operation: 14-2=12 Current State: 22:[10, 12], Operations: ['49-39=10', '14-2=12'] Exploring Operation: 10+12=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
4
Current State: 22:[39, 49, 14, 2], Operations: [] Exploring Operation: 49-14=35, Resulting Numbers: [39, 2, 35] Generated Node #0,0: 22:[39, 2, 35] Operation: 49-14=35 Exploring Operation: 49-39=10, Resulting Numbers: [14, 2, 10] Generated Node #0,1: 22:[14, 2, 10] Operation: 49-39=10 Exploring Operation: 49-2=47, Resulting Numbers: [39, 14, 47] Generated Node #0,2: 22:[39, 14, 47] Operation: 49-2=47 Exploring Operation: 39-2=37, Resulting Numbers: [49, 14, 37] Generated Node #0,3: 22:[49, 14, 37] Operation: 39-2=37 Exploring Operation: 39-14=25, Resulting Numbers: [49, 2, 25] Generated Node #0,4: 22:[49, 2, 25] Operation: 39-14=25 Moving to Node #0,1 Current State: 22:[14, 2, 10], Operations: ['49-39=10'] Exploring Operation: 2+10=12, Resulting Numbers: [14, 12] Generated Node #0,1,0: 22:[14, 12] Operation: 2+10=12 Exploring Operation: 14-2=12, Resulting Numbers: [10, 12] Generated Node #0,1,1: 22:[10, 12] Operation: 14-2=12 Exploring Operation: 14+10=24, Resulting Numbers: [2, 24] Generated Node #0,1,2: 22:[2, 24] Operation: 14+10=24 Exploring Operation: 14/2=7, Resulting Numbers: [10, 7] Generated Node #0,1,3: 22:[10, 7] Operation: 14/2=7 Exploring Operation: 14-10=4, Resulting Numbers: [2, 4] Generated Node #0,1,4: 22:[2, 4] Operation: 14-10=4 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 22:[10, 12], Operations: ['49-39=10', '14-2=12'] Exploring Operation: 10*12=120, Resulting Numbers: [120] 120,22 unequal: No Solution Exploring Operation: 12-10=2, Resulting Numbers: [2] 2,22 unequal: No Solution Exploring Operation: 10+12=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Moving to Node #0 Current State: 22:[39, 49, 14, 2], Operations: [] Exploring Operation: 49-39=10, Resulting Numbers: [14, 2, 10] Generated Node #0,1: 22:[14, 2, 10] Operation: 49-39=10 Moving to Node #0,1 Current State: 22:[14, 2, 10], Operations: ['49-39=10'] Exploring Operation: 14-2=12, Resulting Numbers: [10, 12] Generated Node #0,1,1: 22:[10, 12] Operation: 14-2=12 Moving to Node #0,1,1 Current State: 22:[10, 12], Operations: ['49-39=10', '14-2=12'] Exploring Operation: 10+12=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_5
mult_heuristic
[ 91, 6, 15, 55 ]
55
[ "6*15=90", "91-90=1", "55*1=55" ]
Current State: 55:[91, 6, 15, 55], Operations: [] Exploring Operation: 6*15=90, Resulting Numbers: [91, 55, 90] Generated Node #2: [91, 55, 90] from Operation: 6*15=90 Current State: 55:[91, 55, 90], Operations: ['6*15=90'] Exploring Operation: 91-90=1, Resulting Numbers: [55, 1] Generated Node #3: [55, 1] from Operation: 91-90=1 Current State: 55:[55, 1], Operations: ['6*15=90', '91-90=1'] Exploring Operation: 55*1=55, Resulting Numbers: [55] 55,55 equal: Goal Reached
4
Current State: 55:[91, 6, 15, 55], Operations: [] Exploring Operation: 91-55=36, Resulting Numbers: [6, 15, 36] Generated Node #0,0: 55:[6, 15, 36] Operation: 91-55=36 Exploring Operation: 91-6=85, Resulting Numbers: [15, 55, 85] Generated Node #0,1: 55:[15, 55, 85] Operation: 91-6=85 Exploring Operation: 91-15=76, Resulting Numbers: [6, 55, 76] Generated Node #0,2: 55:[6, 55, 76] Operation: 91-15=76 Moving to Node #0,2 Current State: 55:[6, 55, 76], Operations: ['91-15=76'] Exploring Operation: 76-6=70, Resulting Numbers: [55, 70] Generated Node #0,2,0: 55:[55, 70] Operation: 76-6=70 Exploring Operation: 6+55=61, Resulting Numbers: [76, 61] Generated Node #0,2,1: 55:[76, 61] Operation: 6+55=61 Exploring Operation: 76-55=21, Resulting Numbers: [6, 21] Generated Node #0,2,2: 55:[6, 21] Operation: 76-55=21 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 55:[6, 21], Operations: ['91-15=76', '76-55=21'] Exploring Operation: 6+21=27, Resulting Numbers: [27] 27,55 unequal: No Solution Exploring Operation: 6*21=126, Resulting Numbers: [126] 126,55 unequal: No Solution Exploring Operation: 21-6=15, Resulting Numbers: [15] 15,55 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 #0,2,0 Current State: 55:[55, 70], Operations: ['91-15=76', '76-6=70'] Exploring Operation: 70-55=15, Resulting Numbers: [15] 15,55 unequal: No Solution Exploring Operation: 55*70=3850, Resulting Numbers: [3850] 3850,55 unequal: No Solution Exploring Operation: 55+70=125, Resulting Numbers: [125] 125,55 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 #0,2,1 Current State: 55:[76, 61], Operations: ['91-15=76', '6+55=61'] Exploring Operation: 76-61=15, Resulting Numbers: [15] 15,55 unequal: No Solution Exploring Operation: 76*61=4636, Resulting Numbers: [4636] 4636,55 unequal: No Solution Exploring Operation: 76+61=137, Resulting Numbers: [137] 137,55 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: 55:[6, 15, 36], Operations: ['91-55=36'] Exploring Operation: 36-15=21, Resulting Numbers: [6, 21] Generated Node #0,0,0: 55:[6, 21] Operation: 36-15=21 Exploring Operation: 15+36=51, Resulting Numbers: [6, 51] Generated Node #0,0,1: 55:[6, 51] Operation: 15+36=51 Exploring Operation: 36/6=6, Resulting Numbers: [15, 6] Generated Node #0,0,2: 55:[15, 6] Operation: 36/6=6 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 55:[6, 51], Operations: ['91-55=36', '15+36=51'] Exploring Operation: 6+51=57, Resulting Numbers: [57] 57,55 unequal: No Solution Exploring Operation: 6*51=306, Resulting Numbers: [306] 306,55 unequal: No Solution Exploring Operation: 51-6=45, Resulting Numbers: [45] 45,55 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 #0,0,2 Current State: 55:[15, 6], Operations: ['91-55=36', '36/6=6'] Exploring Operation: 15*6=90, Resulting Numbers: [90] 90,55 unequal: No Solution Exploring Operation: 15+6=21, Resulting Numbers: [21] 21,55 unequal: No Solution Exploring Operation: 15-6=9, Resulting Numbers: [9] 9,55 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 #0,0,0 Current State: 55:[6, 21], Operations: ['91-55=36', '36-15=21'] Exploring Operation: 6*21=126, Resulting Numbers: [126] 126,55 unequal: No Solution Exploring Operation: 21-6=15, Resulting Numbers: [15] 15,55 unequal: No Solution Exploring Operation: 6+21=27, Resulting Numbers: [27] 27,55 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: 55:[15, 55, 85], Operations: ['91-6=85'] Exploring Operation: 15+55=70, Resulting Numbers: [85, 70] Generated Node #0,1,0: 55:[85, 70] Operation: 15+55=70 Exploring Operation: 85-55=30, Resulting Numbers: [15, 30] Generated Node #0,1,1: 55:[15, 30] Operation: 85-55=30 Exploring Operation: 85-15=70, Resulting Numbers: [55, 70] Generated Node #0,1,2: 55:[55, 70] Operation: 85-15=70 Moving to Node #0,1,2 Current State: 55:[55, 70], Operations: ['91-6=85', '85-15=70'] Exploring Operation: 70-55=15, Resulting Numbers: [15] 15,55 unequal: No Solution Exploring Operation: 55*70=3850, Resulting Numbers: [3850] 3850,55 unequal: No Solution Exploring Operation: 55+70=125, Resulting Numbers: [125] 125,55 unequal: No Solution Moving to Node #0,1,1 Current State: 55:[15, 30], Operations: ['91-6=85', '85-55=30'] Exploring Operation: 30-15=15, Resulting Numbers: [15] 15,55 unequal: No Solution Exploring Operation: 30/15=2, Resulting Numbers: [2] 2,55 unequal: No Solution Exploring Operation: 15+30=45, Resulting Numbers: [45] 45,55 unequal: No Solution Moving to Node #0,1,0 Current State: 55:[85, 70], Operations: ['91-6=85', '15+55=70'] Exploring Operation: 85-70=15, Resulting Numbers: [15] 15,55 unequal: No Solution Exploring Operation: 85+70=155, Resulting Numbers: [155] 155,55 unequal: No Solution Exploring Operation: 85*70=5950, Resulting Numbers: [5950] 5950,55 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 84, 16, 75, 55 ]
62
[ "84-16=68", "75+55=130", "130-68=62" ]
Current State: 62:[84, 16, 75, 55], Operations: [] Exploring Operation: 84-16=68, Resulting Numbers: [75, 55, 68] Generated Node #2: [75, 55, 68] from Operation: 84-16=68 Current State: 62:[75, 55, 68], Operations: ['84-16=68'] Exploring Operation: 75+55=130, Resulting Numbers: [68, 130] Generated Node #3: [68, 130] from Operation: 75+55=130 Current State: 62:[68, 130], Operations: ['84-16=68', '75+55=130'] Exploring Operation: 130-68=62, Resulting Numbers: [62] 62,62 equal: Goal Reached
4
Current State: 62:[84, 16, 75, 55], Operations: [] Exploring Operation: 75-16=59, Resulting Numbers: [84, 55, 59] Generated Node #0,0: 62:[84, 55, 59] Operation: 75-16=59 Exploring Operation: 55-16=39, Resulting Numbers: [84, 75, 39] Generated Node #0,1: 62:[84, 75, 39] Operation: 55-16=39 Exploring Operation: 84-55=29, Resulting Numbers: [16, 75, 29] Generated Node #0,2: 62:[16, 75, 29] Operation: 84-55=29 Exploring Operation: 84-16=68, Resulting Numbers: [75, 55, 68] Generated Node #0,3: 62:[75, 55, 68] Operation: 84-16=68 Exploring Operation: 84-75=9, Resulting Numbers: [16, 55, 9] Generated Node #0,4: 62:[16, 55, 9] Operation: 84-75=9 Moving to Node #0,3 Current State: 62:[75, 55, 68], Operations: ['84-16=68'] Exploring Operation: 55+68=123, Resulting Numbers: [75, 123] Generated Node #0,3,0: 62:[75, 123] Operation: 55+68=123 Exploring Operation: 75+55=130, Resulting Numbers: [68, 130] Generated Node #0,3,1: 62:[68, 130] Operation: 75+55=130 Exploring Operation: 68-55=13, Resulting Numbers: [75, 13] Generated Node #0,3,2: 62:[75, 13] Operation: 68-55=13 Exploring Operation: 75-55=20, Resulting Numbers: [68, 20] Generated Node #0,3,3: 62:[68, 20] Operation: 75-55=20 Exploring Operation: 75-68=7, Resulting Numbers: [55, 7] Generated Node #0,3,4: 62:[55, 7] Operation: 75-68=7 Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 62:[55, 7], Operations: ['84-16=68', '75-68=7'] Exploring Operation: 55+7=62, Resulting Numbers: [62] 62,62 equal: Goal Reached Moving to Node #0 Current State: 62:[84, 16, 75, 55], Operations: [] Exploring Operation: 84-16=68, Resulting Numbers: [75, 55, 68] Generated Node #0,3: 62:[75, 55, 68] Operation: 84-16=68 Moving to Node #0,3 Current State: 62:[75, 55, 68], Operations: ['84-16=68'] Exploring Operation: 75-68=7, Resulting Numbers: [55, 7] Generated Node #0,3,4: 62:[55, 7] Operation: 75-68=7 Moving to Node #0,3,4 Current State: 62:[55, 7], Operations: ['84-16=68', '75-68=7'] Exploring Operation: 55+7=62, Resulting Numbers: [62] 62,62 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_5
sum_heuristic
[ 36, 71, 77, 84 ]
28
[ "71-36=35", "84-77=7", "35-7=28" ]
Current State: 28:[36, 71, 77, 84], Operations: [] Exploring Operation: 71-36=35, Resulting Numbers: [77, 84, 35] Generated Node #2: [77, 84, 35] from Operation: 71-36=35 Current State: 28:[77, 84, 35], Operations: ['71-36=35'] Exploring Operation: 84-77=7, Resulting Numbers: [35, 7] Generated Node #3: [35, 7] from Operation: 84-77=7 Current State: 28:[35, 7], Operations: ['71-36=35', '84-77=7'] Exploring Operation: 35-7=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
4
Current State: 28:[36, 71, 77, 84], Operations: [] Exploring Operation: 84-71=13, Resulting Numbers: [36, 77, 13] Generated Node #0,0: 28:[36, 77, 13] Operation: 84-71=13 Exploring Operation: 84-77=7, Resulting Numbers: [36, 71, 7] Generated Node #0,1: 28:[36, 71, 7] Operation: 84-77=7 Exploring Operation: 71-36=35, Resulting Numbers: [77, 84, 35] Generated Node #0,2: 28:[77, 84, 35] Operation: 71-36=35 Exploring Operation: 77-71=6, Resulting Numbers: [36, 84, 6] Generated Node #0,3: 28:[36, 84, 6] Operation: 77-71=6 Exploring Operation: 77-36=41, Resulting Numbers: [71, 84, 41] Generated Node #0,4: 28:[71, 84, 41] Operation: 77-36=41 Start Sub Search at level 1: Moving to Node #0,1 Current State: 28:[36, 71, 7], Operations: ['84-77=7'] Exploring Operation: 71-7=64, Resulting Numbers: [36, 64] Generated Node #0,1,0: 28:[36, 64] Operation: 71-7=64 Exploring Operation: 71+7=78, Resulting Numbers: [36, 78] Generated Node #0,1,1: 28:[36, 78] Operation: 71+7=78 Exploring Operation: 36+7=43, Resulting Numbers: [71, 43] Generated Node #0,1,2: 28:[71, 43] Operation: 36+7=43 Exploring Operation: 36-7=29, Resulting Numbers: [71, 29] Generated Node #0,1,3: 28:[71, 29] Operation: 36-7=29 Exploring Operation: 71-36=35, Resulting Numbers: [7, 35] Generated Node #0,1,4: 28:[7, 35] Operation: 71-36=35 Moving to Node #0,1,4 Current State: 28:[7, 35], Operations: ['84-77=7', '71-36=35'] Exploring Operation: 7*35=245, Resulting Numbers: [245] 245,28 unequal: No Solution Exploring Operation: 35-7=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Moving to Node #0 Current State: 28:[36, 71, 77, 84], Operations: [] Exploring Operation: 84-77=7, Resulting Numbers: [36, 71, 7] Generated Node #0,1: 28:[36, 71, 7] Operation: 84-77=7 Moving to Node #0,1 Current State: 28:[36, 71, 7], Operations: ['84-77=7'] Exploring Operation: 71-36=35, Resulting Numbers: [7, 35] Generated Node #0,1,4: 28:[7, 35] Operation: 71-36=35 Moving to Node #0,1,4 Current State: 28:[7, 35], Operations: ['84-77=7', '71-36=35'] Exploring Operation: 35-7=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_5
mult_heuristic
[ 21, 58, 52, 2 ]
43
[ "21+52=73", "58*2=116", "116-73=43" ]
Current State: 43:[21, 58, 52, 2], Operations: [] Exploring Operation: 21+52=73, Resulting Numbers: [58, 2, 73] Generated Node #2: [58, 2, 73] from Operation: 21+52=73 Current State: 43:[58, 2, 73], Operations: ['21+52=73'] Exploring Operation: 58*2=116, Resulting Numbers: [73, 116] Generated Node #3: [73, 116] from Operation: 58*2=116 Current State: 43:[73, 116], Operations: ['21+52=73', '58*2=116'] Exploring Operation: 116-73=43, Resulting Numbers: [43] 43,43 equal: Goal Reached
4
Current State: 43:[21, 58, 52, 2], Operations: [] Exploring Operation: 58/2=29, Resulting Numbers: [21, 52, 29] Generated Node #0,0: 43:[21, 52, 29] Operation: 58/2=29 Exploring Operation: 21+2=23, Resulting Numbers: [58, 52, 23] Generated Node #0,1: 43:[58, 52, 23] Operation: 21+2=23 Exploring Operation: 58-2=56, Resulting Numbers: [21, 52, 56] Generated Node #0,2: 43:[21, 52, 56] Operation: 58-2=56 Exploring Operation: 21*2=42, Resulting Numbers: [58, 52, 42] Generated Node #0,3: 43:[58, 52, 42] Operation: 21*2=42 Exploring Operation: 52-2=50, Resulting Numbers: [21, 58, 50] Generated Node #0,4: 43:[21, 58, 50] Operation: 52-2=50 Start Sub Search at level 1: Moving to Node #0,3 Current State: 43:[58, 52, 42], Operations: ['21*2=42'] Exploring Operation: 52+42=94, Resulting Numbers: [58, 94] Generated Node #0,3,0: 43:[58, 94] Operation: 52+42=94 Exploring Operation: 58-52=6, Resulting Numbers: [42, 6] Generated Node #0,3,1: 43:[42, 6] Operation: 58-52=6 Exploring Operation: 58-42=16, Resulting Numbers: [52, 16] Generated Node #0,3,2: 43:[52, 16] Operation: 58-42=16 Exploring Operation: 58+42=100, Resulting Numbers: [52, 100] Generated Node #0,3,3: 43:[52, 100] Operation: 58+42=100 Exploring Operation: 52-42=10, Resulting Numbers: [58, 10] Generated Node #0,3,4: 43:[58, 10] Operation: 52-42=10 Moving to Node #0,3,2 Current State: 43:[52, 16], Operations: ['21*2=42', '58-42=16'] Exploring Operation: 52+16=68, Resulting Numbers: [68] 68,43 unequal: No Solution Exploring Operation: 52*16=832, Resulting Numbers: [832] 832,43 unequal: No Solution Exploring Operation: 52-16=36, Resulting Numbers: [36] 36,43 unequal: No Solution Moving to Node #0,3,1 Current State: 43:[42, 6], Operations: ['21*2=42', '58-52=6'] Exploring Operation: 42/6=7, Resulting Numbers: [7] 7,43 unequal: No Solution Exploring Operation: 42*6=252, Resulting Numbers: [252] 252,43 unequal: No Solution Exploring Operation: 42-6=36, Resulting Numbers: [36] 36,43 unequal: No Solution Exploring Operation: 42+6=48, Resulting Numbers: [48] 48,43 unequal: No Solution Moving to Node #0,3,4 Current State: 43:[58, 10], Operations: ['21*2=42', '52-42=10'] Exploring Operation: 58*10=580, Resulting Numbers: [580] 580,43 unequal: No Solution Exploring Operation: 58+10=68, Resulting Numbers: [68] 68,43 unequal: No Solution Exploring Operation: 58-10=48, Resulting Numbers: [48] 48,43 unequal: No Solution Moving to Node #0,3,0 Current State: 43:[58, 94], Operations: ['21*2=42', '52+42=94'] Exploring Operation: 94-58=36, Resulting Numbers: [36] 36,43 unequal: No Solution Exploring Operation: 58*94=5452, Resulting Numbers: [5452] 5452,43 unequal: No Solution Exploring Operation: 58+94=152, Resulting Numbers: [152] 152,43 unequal: No Solution Moving to Node #0,3,3 Current State: 43:[52, 100], Operations: ['21*2=42', '58+42=100'] Exploring Operation: 100-52=48, Resulting Numbers: [48] 48,43 unequal: No Solution Exploring Operation: 52*100=5200, Resulting Numbers: [5200] 5200,43 unequal: No Solution Exploring Operation: 52+100=152, Resulting Numbers: [152] 152,43 unequal: No Solution No 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: 43:[58, 52, 23], Operations: ['21+2=23'] Exploring Operation: 58+23=81, Resulting Numbers: [52, 81] Generated Node #0,1,0: 43:[52, 81] Operation: 58+23=81 Exploring Operation: 58-52=6, Resulting Numbers: [23, 6] Generated Node #0,1,1: 43:[23, 6] Operation: 58-52=6 Exploring Operation: 52+23=75, Resulting Numbers: [58, 75] Generated Node #0,1,2: 43:[58, 75] Operation: 52+23=75 Exploring Operation: 52-23=29, Resulting Numbers: [58, 29] Generated Node #0,1,3: 43:[58, 29] Operation: 52-23=29 Exploring Operation: 58-23=35, Resulting Numbers: [52, 35] Generated Node #0,1,4: 43:[52, 35] Operation: 58-23=35 Moving to Node #0,1,4 Current State: 43:[52, 35], Operations: ['21+2=23', '58-23=35'] Exploring Operation: 52*35=1820, Resulting Numbers: [1820] 1820,43 unequal: No Solution Exploring Operation: 52-35=17, Resulting Numbers: [17] 17,43 unequal: No Solution Exploring Operation: 52+35=87, Resulting Numbers: [87] 87,43 unequal: No Solution Moving to Node #0,1,3 Current State: 43:[58, 29], Operations: ['21+2=23', '52-23=29'] Exploring Operation: 58-29=29, Resulting Numbers: [29] 29,43 unequal: No Solution Exploring Operation: 58/29=2, Resulting Numbers: [2] 2,43 unequal: No Solution Exploring Operation: 58*29=1682, Resulting Numbers: [1682] 1682,43 unequal: No Solution Exploring Operation: 58+29=87, Resulting Numbers: [87] 87,43 unequal: No Solution Moving to Node #0,1,0 Current State: 43:[52, 81], Operations: ['21+2=23', '58+23=81'] Exploring Operation: 52*81=4212, Resulting Numbers: [4212] 4212,43 unequal: No Solution Exploring Operation: 52+81=133, Resulting Numbers: [133] 133,43 unequal: No Solution Exploring Operation: 81-52=29, Resulting Numbers: [29] 29,43 unequal: No Solution Moving to Node #0,1,2 Current State: 43:[58, 75], Operations: ['21+2=23', '52+23=75'] Exploring Operation: 58+75=133, Resulting Numbers: [133] 133,43 unequal: No Solution Exploring Operation: 75-58=17, Resulting Numbers: [17] 17,43 unequal: No Solution Exploring Operation: 58*75=4350, Resulting Numbers: [4350] 4350,43 unequal: No Solution Moving to Node #0,1,1 Current State: 43:[23, 6], Operations: ['21+2=23', '58-52=6'] Exploring Operation: 23-6=17, Resulting Numbers: [17] 17,43 unequal: No Solution Exploring Operation: 23+6=29, Resulting Numbers: [29] 29,43 unequal: No Solution Exploring Operation: 23*6=138, Resulting Numbers: [138] 138,43 unequal: No Solution No 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: 43:[21, 52, 56], Operations: ['58-2=56'] Exploring Operation: 21+52=73, Resulting Numbers: [56, 73] Generated Node #0,2,0: 43:[56, 73] Operation: 21+52=73 Exploring Operation: 56-21=35, Resulting Numbers: [52, 35] Generated Node #0,2,1: 43:[52, 35] Operation: 56-21=35 Exploring Operation: 56-52=4, Resulting Numbers: [21, 4] Generated Node #0,2,2: 43:[21, 4] Operation: 56-52=4 Exploring Operation: 21+56=77, Resulting Numbers: [52, 77] Generated Node #0,2,3: 43:[52, 77] Operation: 21+56=77 Exploring Operation: 52-21=31, Resulting Numbers: [56, 31] Generated Node #0,2,4: 43:[56, 31] Operation: 52-21=31 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 43:[52, 35], Operations: ['58-2=56', '56-21=35'] Exploring Operation: 52*35=1820, Resulting Numbers: [1820] 1820,43 unequal: No Solution Exploring Operation: 52+35=87, Resulting Numbers: [87] 87,43 unequal: No Solution Exploring Operation: 52-35=17, Resulting Numbers: [17] 17,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 43:[56, 31], Operations: ['58-2=56', '52-21=31'] Exploring Operation: 56*31=1736, Resulting Numbers: [1736] 1736,43 unequal: No Solution Exploring Operation: 56-31=25, Resulting Numbers: [25] 25,43 unequal: No Solution Exploring Operation: 56+31=87, Resulting Numbers: [87] 87,43 unequal: No Solution No 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: 43:[56, 73], Operations: ['58-2=56', '21+52=73'] Exploring Operation: 73-56=17, Resulting Numbers: [17] 17,43 unequal: No Solution Exploring Operation: 56+73=129, Resulting Numbers: [129] 129,43 unequal: No Solution Exploring Operation: 56*73=4088, Resulting Numbers: [4088] 4088,43 unequal: No Solution No 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: 43:[52, 77], Operations: ['58-2=56', '21+56=77'] Exploring Operation: 52*77=4004, Resulting Numbers: [4004] 4004,43 unequal: No Solution Exploring Operation: 77-52=25, Resulting Numbers: [25] 25,43 unequal: No Solution Exploring Operation: 52+77=129, Resulting Numbers: [129] 129,43 unequal: No Solution No 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: 43:[21, 4], Operations: ['58-2=56', '56-52=4'] Exploring Operation: 21-4=17, Resulting Numbers: [17] 17,43 unequal: No Solution Exploring Operation: 21*4=84, Resulting Numbers: [84] 84,43 unequal: No Solution Exploring Operation: 21+4=25, Resulting Numbers: [25] 25,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 43:[21, 58, 50], Operations: ['52-2=50'] Exploring Operation: 21+50=71, Resulting Numbers: [58, 71] Generated Node #0,4,0: 43:[58, 71] Operation: 21+50=71 Exploring Operation: 50-21=29, Resulting Numbers: [58, 29] Generated Node #0,4,1: 43:[58, 29] Operation: 50-21=29 Exploring Operation: 21+58=79, Resulting Numbers: [50, 79] Generated Node #0,4,2: 43:[50, 79] Operation: 21+58=79 Exploring Operation: 58-21=37, Resulting Numbers: [50, 37] Generated Node #0,4,3: 43:[50, 37] Operation: 58-21=37 Exploring Operation: 58-50=8, Resulting Numbers: [21, 8] Generated Node #0,4,4: 43:[21, 8] Operation: 58-50=8 Moving to Node #0,4,3 Current State: 43:[50, 37], Operations: ['52-2=50', '58-21=37'] Exploring Operation: 50-37=13, Resulting Numbers: [13] 13,43 unequal: No Solution Exploring Operation: 50+37=87, Resulting Numbers: [87] 87,43 unequal: No Solution Exploring Operation: 50*37=1850, Resulting Numbers: [1850] 1850,43 unequal: No Solution Moving to Node #0,4,1 Current State: 43:[58, 29], Operations: ['52-2=50', '50-21=29'] Exploring Operation: 58*29=1682, Resulting Numbers: [1682] 1682,43 unequal: No Solution Exploring Operation: 58/29=2, Resulting Numbers: [2] 2,43 unequal: No Solution Exploring Operation: 58-29=29, Resulting Numbers: [29] 29,43 unequal: No Solution Exploring Operation: 58+29=87, Resulting Numbers: [87] 87,43 unequal: No Solution Moving to Node #0,4,0 Current State: 43:[58, 71], Operations: ['52-2=50', '21+50=71'] Exploring Operation: 58*71=4118, Resulting Numbers: [4118] 4118,43 unequal: No Solution Exploring Operation: 71-58=13, Resulting Numbers: [13] 13,43 unequal: No Solution Exploring Operation: 58+71=129, Resulting Numbers: [129] 129,43 unequal: No Solution Moving to Node #0,4,2 Current State: 43:[50, 79], Operations: ['52-2=50', '21+58=79'] Exploring Operation: 50+79=129, Resulting Numbers: [129] 129,43 unequal: No Solution Exploring Operation: 50*79=3950, Resulting Numbers: [3950] 3950,43 unequal: No Solution Exploring Operation: 79-50=29, Resulting Numbers: [29] 29,43 unequal: No Solution Moving to Node #0,4,4 Current State: 43:[21, 8], Operations: ['52-2=50', '58-50=8'] Exploring Operation: 21-8=13, Resulting Numbers: [13] 13,43 unequal: No Solution Exploring Operation: 21*8=168, Resulting Numbers: [168] 168,43 unequal: No Solution Exploring Operation: 21+8=29, Resulting Numbers: [29] 29,43 unequal: No Solution No 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: 43:[21, 52, 29], Operations: ['58/2=29'] Exploring Operation: 29-21=8, Resulting Numbers: [52, 8] Generated Node #0,0,0: 43:[52, 8] Operation: 29-21=8 Exploring Operation: 21+52=73, Resulting Numbers: [29, 73] Generated Node #0,0,1: 43:[29, 73] Operation: 21+52=73 Exploring Operation: 21+29=50, Resulting Numbers: [52, 50] Generated Node #0,0,2: 43:[52, 50] Operation: 21+29=50 Exploring Operation: 52-21=31, Resulting Numbers: [29, 31] Generated Node #0,0,3: 43:[29, 31] Operation: 52-21=31 Exploring Operation: 52-29=23, Resulting Numbers: [21, 23] Generated Node #0,0,4: 43:[21, 23] Operation: 52-29=23 Moving to Node #0,0,2 Current State: 43:[52, 50], Operations: ['58/2=29', '21+29=50'] Exploring Operation: 52+50=102, Resulting Numbers: [102] 102,43 unequal: No Solution Exploring Operation: 52*50=2600, Resulting Numbers: [2600] 2600,43 unequal: No Solution Exploring Operation: 52-50=2, Resulting Numbers: [2] 2,43 unequal: No Solution Moving to Node #0,0,3 Current State: 43:[29, 31], Operations: ['58/2=29', '52-21=31'] Exploring Operation: 29+31=60, Resulting Numbers: [60] 60,43 unequal: No Solution Exploring Operation: 31-29=2, Resulting Numbers: [2] 2,43 unequal: No Solution Exploring Operation: 29*31=899, Resulting Numbers: [899] 899,43 unequal: No Solution Moving to Node #0,0,4 Current State: 43:[21, 23], Operations: ['58/2=29', '52-29=23'] Exploring Operation: 21*23=483, Resulting Numbers: [483] 483,43 unequal: No Solution Exploring Operation: 21+23=44, Resulting Numbers: [44] 44,43 unequal: No Solution Exploring Operation: 23-21=2, Resulting Numbers: [2] 2,43 unequal: No Solution Moving to Node #0,0,0 Current State: 43:[52, 8], Operations: ['58/2=29', '29-21=8'] Exploring Operation: 52-8=44, Resulting Numbers: [44] 44,43 unequal: No Solution Exploring Operation: 52*8=416, Resulting Numbers: [416] 416,43 unequal: No Solution Exploring Operation: 52+8=60, Resulting Numbers: [60] 60,43 unequal: No Solution Moving to Node #0,0,1 Current State: 43:[29, 73], Operations: ['58/2=29', '21+52=73'] Exploring Operation: 29+73=102, Resulting Numbers: [102] 102,43 unequal: No Solution Exploring Operation: 73-29=44, Resulting Numbers: [44] 44,43 unequal: No Solution Exploring Operation: 29*73=2117, Resulting Numbers: [2117] 2117,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
sum_heuristic
[ 59, 15, 67, 25 ]
32
[ "59+15=74", "67-25=42", "74-42=32" ]
Current State: 32:[59, 15, 67, 25], Operations: [] Exploring Operation: 59+15=74, Resulting Numbers: [67, 25, 74] Generated Node #2: [67, 25, 74] from Operation: 59+15=74 Current State: 32:[67, 25, 74], Operations: ['59+15=74'] Exploring Operation: 67-25=42, Resulting Numbers: [74, 42] Generated Node #3: [74, 42] from Operation: 67-25=42 Current State: 32:[74, 42], Operations: ['59+15=74', '67-25=42'] Exploring Operation: 74-42=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[59, 15, 67, 25], Operations: [] Exploring Operation: 59-15=44, Resulting Numbers: [67, 25, 44] Generated Node #0,0: 32:[67, 25, 44] Operation: 59-15=44 Exploring Operation: 59-25=34, Resulting Numbers: [15, 67, 34] Generated Node #0,1: 32:[15, 67, 34] Operation: 59-25=34 Exploring Operation: 67-59=8, Resulting Numbers: [15, 25, 8] Generated Node #0,2: 32:[15, 25, 8] Operation: 67-59=8 Exploring Operation: 67-25=42, Resulting Numbers: [59, 15, 42] Generated Node #0,3: 32:[59, 15, 42] Operation: 67-25=42 Moving to Node #0,2 Current State: 32:[15, 25, 8], Operations: ['67-59=8'] Exploring Operation: 25-15=10, Resulting Numbers: [8, 10] Generated Node #0,2,0: 32:[8, 10] Operation: 25-15=10 Exploring Operation: 15+25=40, Resulting Numbers: [8, 40] Generated Node #0,2,1: 32:[8, 40] Operation: 15+25=40 Exploring Operation: 25-8=17, Resulting Numbers: [15, 17] Generated Node #0,2,2: 32:[15, 17] Operation: 25-8=17 Exploring Operation: 25+8=33, Resulting Numbers: [15, 33] Generated Node #0,2,3: 32:[15, 33] Operation: 25+8=33 Moving to Node #0,3 Current State: 32:[59, 15, 42], Operations: ['67-25=42'] Exploring Operation: 59-15=44, Resulting Numbers: [42, 44] Generated Node #0,3,0: 32:[42, 44] Operation: 59-15=44 Exploring Operation: 59+15=74, Resulting Numbers: [42, 74] Generated Node #0,3,1: 32:[42, 74] Operation: 59+15=74 Exploring Operation: 59-42=17, Resulting Numbers: [15, 17] Generated Node #0,3,2: 32:[15, 17] Operation: 59-42=17 Exploring Operation: 42-15=27, Resulting Numbers: [59, 27] Generated Node #0,3,3: 32:[59, 27] Operation: 42-15=27 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 32:[15, 17], Operations: ['67-25=42', '59-42=17'] Exploring Operation: 15*17=255, Resulting Numbers: [255] 255,32 unequal: No Solution Exploring Operation: 15+17=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Moving to Node #0 Current State: 32:[59, 15, 67, 25], Operations: [] Exploring Operation: 67-25=42, Resulting Numbers: [59, 15, 42] Generated Node #0,3: 32:[59, 15, 42] Operation: 67-25=42 Moving to Node #0,3 Current State: 32:[59, 15, 42], Operations: ['67-25=42'] Exploring Operation: 59-42=17, Resulting Numbers: [15, 17] Generated Node #0,3,2: 32:[15, 17] Operation: 59-42=17 Moving to Node #0,3,2 Current State: 32:[15, 17], Operations: ['67-25=42', '59-42=17'] Exploring Operation: 15+17=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_4
mult_heuristic
[ 88, 80, 75, 75 ]
18
[ "88+80=168", "75+75=150", "168-150=18" ]
Current State: 18:[88, 80, 75, 75], Operations: [] Exploring Operation: 88+80=168, Resulting Numbers: [75, 75, 168] Generated Node #2: [75, 75, 168] from Operation: 88+80=168 Current State: 18:[75, 75, 168], Operations: ['88+80=168'] Exploring Operation: 75+75=150, Resulting Numbers: [168, 150] Generated Node #3: [168, 150] from Operation: 75+75=150 Current State: 18:[168, 150], Operations: ['88+80=168', '75+75=150'] Exploring Operation: 168-150=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[88, 80, 75, 75], Operations: [] Exploring Operation: 88-80=8, Resulting Numbers: [75, 75, 8] Generated Node #0,0: 18:[75, 75, 8] Operation: 88-80=8 Start Sub Search at level 1: Moving to Node #0,0 Current State: 18:[75, 75, 8], Operations: ['88-80=8'] Exploring Operation: 75/75=1, Resulting Numbers: [8, 1] Generated Node #0,0,0: 18:[8, 1] Operation: 75/75=1 Moving to Node #0,0,0 Current State: 18:[8, 1], Operations: ['88-80=8', '75/75=1'] Exploring Operation: 8+1=9, Resulting Numbers: [9] 9,18 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 4, 91, 84, 28 ]
71
[ "4*91=364", "364/28=13", "84-13=71" ]
Current State: 71:[4, 91, 84, 28], Operations: [] Exploring Operation: 4*91=364, Resulting Numbers: [84, 28, 364] Generated Node #2: [84, 28, 364] from Operation: 4*91=364 Current State: 71:[84, 28, 364], Operations: ['4*91=364'] Exploring Operation: 364/28=13, Resulting Numbers: [84, 13] Generated Node #3: [84, 13] from Operation: 364/28=13 Current State: 71:[84, 13], Operations: ['4*91=364', '364/28=13'] Exploring Operation: 84-13=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
4
Current State: 71:[4, 91, 84, 28], Operations: [] Exploring Operation: 4+91=95, Resulting Numbers: [84, 28, 95] Generated Node #0,0: 71:[84, 28, 95] Operation: 4+91=95 Exploring Operation: 4+28=32, Resulting Numbers: [91, 84, 32] Generated Node #0,1: 71:[91, 84, 32] Operation: 4+28=32 Exploring Operation: 4*28=112, Resulting Numbers: [91, 84, 112] Generated Node #0,2: 71:[91, 84, 112] Operation: 4*28=112 Exploring Operation: 84-4=80, Resulting Numbers: [91, 28, 80] Generated Node #0,3: 71:[91, 28, 80] Operation: 84-4=80 Exploring Operation: 91-4=87, Resulting Numbers: [84, 28, 87] Generated Node #0,4: 71:[84, 28, 87] Operation: 91-4=87 Start Sub Search at level 1: Moving to Node #0,1 Current State: 71:[91, 84, 32], Operations: ['4+28=32'] Exploring Operation: 91-84=7, Resulting Numbers: [32, 7] Generated Node #0,1,0: 71:[32, 7] Operation: 91-84=7 Exploring Operation: 84+32=116, Resulting Numbers: [91, 116] Generated Node #0,1,1: 71:[91, 116] Operation: 84+32=116 Exploring Operation: 91-32=59, Resulting Numbers: [84, 59] Generated Node #0,1,2: 71:[84, 59] Operation: 91-32=59 Exploring Operation: 84-32=52, Resulting Numbers: [91, 52] Generated Node #0,1,3: 71:[91, 52] Operation: 84-32=52 Exploring Operation: 91+32=123, Resulting Numbers: [84, 123] Generated Node #0,1,4: 71:[84, 123] Operation: 91+32=123 Moving to Node #0,1,2 Current State: 71:[84, 59], Operations: ['4+28=32', '91-32=59'] Exploring Operation: 84+59=143, Resulting Numbers: [143] 143,71 unequal: No Solution Exploring Operation: 84-59=25, Resulting Numbers: [25] 25,71 unequal: No Solution Exploring Operation: 84*59=4956, Resulting Numbers: [4956] 4956,71 unequal: No Solution Moving to Node #0,1,3 Current State: 71:[91, 52], Operations: ['4+28=32', '84-32=52'] Exploring Operation: 91*52=4732, Resulting Numbers: [4732] 4732,71 unequal: No Solution Exploring Operation: 91+52=143, Resulting Numbers: [143] 143,71 unequal: No Solution Exploring Operation: 91-52=39, Resulting Numbers: [39] 39,71 unequal: No Solution Moving to Node #0,1,1 Current State: 71:[91, 116], Operations: ['4+28=32', '84+32=116'] Exploring Operation: 116-91=25, Resulting Numbers: [25] 25,71 unequal: No Solution Exploring Operation: 91*116=10556, Resulting Numbers: [10556] 10556,71 unequal: No Solution Exploring Operation: 91+116=207, Resulting Numbers: [207] 207,71 unequal: No Solution Moving to Node #0,1,4 Current State: 71:[84, 123], Operations: ['4+28=32', '91+32=123'] Exploring Operation: 84+123=207, Resulting Numbers: [207] 207,71 unequal: No Solution Exploring Operation: 84*123=10332, Resulting Numbers: [10332] 10332,71 unequal: No Solution Exploring Operation: 123-84=39, Resulting Numbers: [39] 39,71 unequal: No Solution Moving to Node #0,1,0 Current State: 71:[32, 7], Operations: ['4+28=32', '91-84=7'] Exploring Operation: 32+7=39, Resulting Numbers: [39] 39,71 unequal: No Solution Exploring Operation: 32-7=25, Resulting Numbers: [25] 25,71 unequal: No Solution Exploring Operation: 32*7=224, Resulting Numbers: [224] 224,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 71:[91, 28, 80], Operations: ['84-4=80'] Exploring Operation: 91-28=63, Resulting Numbers: [80, 63] Generated Node #0,3,0: 71:[80, 63] Operation: 91-28=63 Exploring Operation: 91+28=119, Resulting Numbers: [80, 119] Generated Node #0,3,1: 71:[80, 119] Operation: 91+28=119 Exploring Operation: 91-80=11, Resulting Numbers: [28, 11] Generated Node #0,3,2: 71:[28, 11] Operation: 91-80=11 Exploring Operation: 80-28=52, Resulting Numbers: [91, 52] Generated Node #0,3,3: 71:[91, 52] Operation: 80-28=52 Exploring Operation: 28+80=108, Resulting Numbers: [91, 108] Generated Node #0,3,4: 71:[91, 108] Operation: 28+80=108 Moving to Node #0,3,0 Current State: 71:[80, 63], Operations: ['84-4=80', '91-28=63'] Exploring Operation: 80*63=5040, Resulting Numbers: [5040] 5040,71 unequal: No Solution Exploring Operation: 80-63=17, Resulting Numbers: [17] 17,71 unequal: No Solution Exploring Operation: 80+63=143, Resulting Numbers: [143] 143,71 unequal: No Solution Moving to Node #0,3,3 Current State: 71:[91, 52], Operations: ['84-4=80', '80-28=52'] Exploring Operation: 91*52=4732, Resulting Numbers: [4732] 4732,71 unequal: No Solution Exploring Operation: 91+52=143, Resulting Numbers: [143] 143,71 unequal: No Solution Exploring Operation: 91-52=39, Resulting Numbers: [39] 39,71 unequal: No Solution Moving to Node #0,3,1 Current State: 71:[80, 119], Operations: ['84-4=80', '91+28=119'] Exploring Operation: 119-80=39, Resulting Numbers: [39] 39,71 unequal: No Solution Exploring Operation: 80*119=9520, Resulting Numbers: [9520] 9520,71 unequal: No Solution Exploring Operation: 80+119=199, Resulting Numbers: [199] 199,71 unequal: No Solution Moving to Node #0,3,4 Current State: 71:[91, 108], Operations: ['84-4=80', '28+80=108'] Exploring Operation: 91+108=199, Resulting Numbers: [199] 199,71 unequal: No Solution Exploring Operation: 91*108=9828, Resulting Numbers: [9828] 9828,71 unequal: No Solution Exploring Operation: 108-91=17, Resulting Numbers: [17] 17,71 unequal: No Solution Moving to Node #0,3,2 Current State: 71:[28, 11], Operations: ['84-4=80', '91-80=11'] Exploring Operation: 28+11=39, Resulting Numbers: [39] 39,71 unequal: No Solution Exploring Operation: 28*11=308, Resulting Numbers: [308] 308,71 unequal: No Solution Exploring Operation: 28-11=17, Resulting Numbers: [17] 17,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 71:[84, 28, 87], Operations: ['91-4=87'] Exploring Operation: 84/28=3, Resulting Numbers: [87, 3] Generated Node #0,4,0: 71:[87, 3] Operation: 84/28=3 Exploring Operation: 87-28=59, Resulting Numbers: [84, 59] Generated Node #0,4,1: 71:[84, 59] Operation: 87-28=59 Exploring Operation: 84-28=56, Resulting Numbers: [87, 56] Generated Node #0,4,2: 71:[87, 56] Operation: 84-28=56 Exploring Operation: 28+87=115, Resulting Numbers: [84, 115] Generated Node #0,4,3: 71:[84, 115] Operation: 28+87=115 Exploring Operation: 84+28=112, Resulting Numbers: [87, 112] Generated Node #0,4,4: 71:[87, 112] Operation: 84+28=112 Moving to Node #0,4,1 Current State: 71:[84, 59], Operations: ['91-4=87', '87-28=59'] Exploring Operation: 84*59=4956, Resulting Numbers: [4956] 4956,71 unequal: No Solution Exploring Operation: 84+59=143, Resulting Numbers: [143] 143,71 unequal: No Solution Exploring Operation: 84-59=25, Resulting Numbers: [25] 25,71 unequal: No Solution Moving to Node #0,4,2 Current State: 71:[87, 56], Operations: ['91-4=87', '84-28=56'] Exploring Operation: 87*56=4872, Resulting Numbers: [4872] 4872,71 unequal: No Solution Exploring Operation: 87-56=31, Resulting Numbers: [31] 31,71 unequal: No Solution Exploring Operation: 87+56=143, Resulting Numbers: [143] 143,71 unequal: No Solution Moving to Node #0,4,3 Current State: 71:[84, 115], Operations: ['91-4=87', '28+87=115'] Exploring Operation: 115-84=31, Resulting Numbers: [31] 31,71 unequal: No Solution Exploring Operation: 84*115=9660, Resulting Numbers: [9660] 9660,71 unequal: No Solution Exploring Operation: 84+115=199, Resulting Numbers: [199] 199,71 unequal: No Solution Moving to Node #0,4,4 Current State: 71:[87, 112], Operations: ['91-4=87', '84+28=112'] Exploring Operation: 87+112=199, Resulting Numbers: [199] 199,71 unequal: No Solution Exploring Operation: 87*112=9744, Resulting Numbers: [9744] 9744,71 unequal: No Solution Exploring Operation: 112-87=25, Resulting Numbers: [25] 25,71 unequal: No Solution Moving to Node #0,4,0 Current State: 71:[87, 3], Operations: ['91-4=87', '84/28=3'] Exploring Operation: 87-3=84, Resulting Numbers: [84] 84,71 unequal: No Solution Exploring Operation: 87+3=90, Resulting Numbers: [90] 90,71 unequal: No Solution Exploring Operation: 87/3=29, Resulting Numbers: [29] 29,71 unequal: No Solution Exploring Operation: 87*3=261, Resulting Numbers: [261] 261,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 71:[91, 84, 112], Operations: ['4*28=112'] Exploring Operation: 91+84=175, Resulting Numbers: [112, 175] Generated Node #0,2,0: 71:[112, 175] Operation: 91+84=175 Exploring Operation: 91+112=203, Resulting Numbers: [84, 203] Generated Node #0,2,1: 71:[84, 203] Operation: 91+112=203 Exploring Operation: 112-84=28, Resulting Numbers: [91, 28] Generated Node #0,2,2: 71:[91, 28] Operation: 112-84=28 Exploring Operation: 112-91=21, Resulting Numbers: [84, 21] Generated Node #0,2,3: 71:[84, 21] Operation: 112-91=21 Exploring Operation: 91-84=7, Resulting Numbers: [112, 7] Generated Node #0,2,4: 71:[112, 7] Operation: 91-84=7 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 71:[91, 28], Operations: ['4*28=112', '112-84=28'] Exploring Operation: 91+28=119, Resulting Numbers: [119] 119,71 unequal: No Solution Exploring Operation: 91*28=2548, Resulting Numbers: [2548] 2548,71 unequal: No Solution Exploring Operation: 91-28=63, Resulting Numbers: [63] 63,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 71:[84, 21], Operations: ['4*28=112', '112-91=21'] Exploring Operation: 84*21=1764, Resulting Numbers: [1764] 1764,71 unequal: No Solution Exploring Operation: 84/21=4, Resulting Numbers: [4] 4,71 unequal: No Solution Exploring Operation: 84-21=63, Resulting Numbers: [63] 63,71 unequal: No Solution Exploring Operation: 84+21=105, Resulting Numbers: [105] 105,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 71:[112, 7], Operations: ['4*28=112', '91-84=7'] Exploring Operation: 112*7=784, Resulting Numbers: [784] 784,71 unequal: No Solution Exploring Operation: 112/7=16, Resulting Numbers: [16] 16,71 unequal: No Solution Exploring Operation: 112+7=119, Resulting Numbers: [119] 119,71 unequal: No Solution Exploring Operation: 112-7=105, Resulting Numbers: [105] 105,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 71:[112, 175], Operations: ['4*28=112', '91+84=175'] Exploring Operation: 112+175=287, Resulting Numbers: [287] 287,71 unequal: No Solution Exploring Operation: 175-112=63, Resulting Numbers: [63] 63,71 unequal: No Solution Exploring Operation: 112*175=19600, Resulting Numbers: [19600] 19600,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 71:[84, 203], Operations: ['4*28=112', '91+112=203'] Exploring Operation: 203-84=119, Resulting Numbers: [119] 119,71 unequal: No Solution Exploring Operation: 84+203=287, Resulting Numbers: [287] 287,71 unequal: No Solution Exploring Operation: 84*203=17052, Resulting Numbers: [17052] 17052,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 71:[84, 28, 95], Operations: ['4+91=95'] Exploring Operation: 84+28=112, Resulting Numbers: [95, 112] Generated Node #0,0,0: 71:[95, 112] Operation: 84+28=112 Exploring Operation: 28+95=123, Resulting Numbers: [84, 123] Generated Node #0,0,1: 71:[84, 123] Operation: 28+95=123 Exploring Operation: 95-28=67, Resulting Numbers: [84, 67] Generated Node #0,0,2: 71:[84, 67] Operation: 95-28=67 Exploring Operation: 84/28=3, Resulting Numbers: [95, 3] Generated Node #0,0,3: 71:[95, 3] Operation: 84/28=3 Exploring Operation: 84-28=56, Resulting Numbers: [95, 56] Generated Node #0,0,4: 71:[95, 56] Operation: 84-28=56 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 71:[84, 67], Operations: ['4+91=95', '95-28=67'] Exploring Operation: 84+67=151, Resulting Numbers: [151] 151,71 unequal: No Solution Exploring Operation: 84*67=5628, Resulting Numbers: [5628] 5628,71 unequal: No Solution Exploring Operation: 84-67=17, Resulting Numbers: [17] 17,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 71:[95, 56], Operations: ['4+91=95', '84-28=56'] Exploring Operation: 95-56=39, Resulting Numbers: [39] 39,71 unequal: No Solution Exploring Operation: 95*56=5320, Resulting Numbers: [5320] 5320,71 unequal: No Solution Exploring Operation: 95+56=151, Resulting Numbers: [151] 151,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 71:[95, 112], Operations: ['4+91=95', '84+28=112'] Exploring Operation: 95*112=10640, Resulting Numbers: [10640] 10640,71 unequal: No Solution Exploring Operation: 112-95=17, Resulting Numbers: [17] 17,71 unequal: No Solution Exploring Operation: 95+112=207, Resulting Numbers: [207] 207,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 71:[84, 123], Operations: ['4+91=95', '28+95=123'] Exploring Operation: 123-84=39, Resulting Numbers: [39] 39,71 unequal: No Solution Exploring Operation: 84+123=207, Resulting Numbers: [207] 207,71 unequal: No Solution Exploring Operation: 84*123=10332, Resulting Numbers: [10332] 10332,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 71:[95, 3], Operations: ['4+91=95', '84/28=3'] Exploring Operation: 95-3=92, Resulting Numbers: [92] 92,71 unequal: No Solution Exploring Operation: 95+3=98, Resulting Numbers: [98] 98,71 unequal: No Solution Exploring Operation: 95*3=285, Resulting Numbers: [285] 285,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
mult_heuristic