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
[ 16, 5, 46, 44 ]
90
[ "16+46=62", "62-44=18", "5*18=90" ]
Current State: 90:[16, 5, 46, 44], Operations: [] Exploring Operation: 16+46=62, Resulting Numbers: [5, 44, 62] Generated Node #2: [5, 44, 62] from Operation: 16+46=62 Current State: 90:[5, 44, 62], Operations: ['16+46=62'] Exploring Operation: 62-44=18, Resulting Numbers: [5, 18] Generated Node #3: [5, 18] from Operation: 62-44=18 Current State: 90:[5, 18], Operations: ['16+46=62', '62-44=18'] Exploring Operation: 5*18=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
4
Current State: 90:[16, 5, 46, 44], Operations: [] Exploring Operation: 46+44=90, Resulting Numbers: [16, 5, 90] Generated Node #0,0: 90:[16, 5, 90] Operation: 46+44=90 Exploring Operation: 16-5=11, Resulting Numbers: [46, 44, 11] Generated Node #0,1: 90:[46, 44, 11] Operation: 16-5=11 Exploring Operation: 46-16=30, Resulting Numbers: [5, 44, 30] Generated Node #0,2: 90:[5, 44, 30] Operation: 46-16=30 Exploring Operation: 46-44=2, Resulting Numbers: [16, 5, 2] Generated Node #0,3: 90:[16, 5, 2] Operation: 46-44=2 Start Sub Search at level 1: Moving to Node #0,0 Current State: 90:[16, 5, 90], Operations: ['46+44=90'] Exploring Operation: 16+5=21, Resulting Numbers: [90, 21] Generated Node #0,0,0: 90:[90, 21] Operation: 16+5=21 Exploring Operation: 5+90=95, Resulting Numbers: [16, 95] Generated Node #0,0,1: 90:[16, 95] Operation: 5+90=95 Exploring Operation: 16-5=11, Resulting Numbers: [90, 11] Generated Node #0,0,2: 90:[90, 11] Operation: 16-5=11 Exploring Operation: 90/5=18, Resulting Numbers: [16, 18] Generated Node #0,0,3: 90:[16, 18] Operation: 90/5=18 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 90:[90, 11], Operations: ['46+44=90', '16-5=11'] Exploring Operation: 90+11=101, Resulting Numbers: [101] 101,90 unequal: No Solution Exploring Operation: 90*11=990, Resulting Numbers: [990] 990,90 unequal: No Solution Exploring Operation: 90-11=79, Resulting Numbers: [79] 79,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 90:[16, 18], Operations: ['46+44=90', '90/5=18'] Exploring Operation: 16+18=34, Resulting Numbers: [34] 34,90 unequal: No Solution Exploring Operation: 16*18=288, Resulting Numbers: [288] 288,90 unequal: No Solution Exploring Operation: 18-16=2, Resulting Numbers: [2] 2,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 90:[90, 21], Operations: ['46+44=90', '16+5=21'] Exploring Operation: 90*21=1890, Resulting Numbers: [1890] 1890,90 unequal: No Solution Exploring Operation: 90+21=111, Resulting Numbers: [111] 111,90 unequal: No Solution Exploring Operation: 90-21=69, Resulting Numbers: [69] 69,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 90:[16, 95], Operations: ['46+44=90', '5+90=95'] Exploring Operation: 16*95=1520, Resulting Numbers: [1520] 1520,90 unequal: No Solution Exploring Operation: 16+95=111, Resulting Numbers: [111] 111,90 unequal: No Solution Exploring Operation: 95-16=79, Resulting Numbers: [79] 79,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 90:[5, 44, 30], Operations: ['46-16=30'] Exploring Operation: 44-30=14, Resulting Numbers: [5, 14] Generated Node #0,2,0: 90:[5, 14] Operation: 44-30=14 Exploring Operation: 30/5=6, Resulting Numbers: [44, 6] Generated Node #0,2,1: 90:[44, 6] Operation: 30/5=6 Exploring Operation: 44-5=39, Resulting Numbers: [30, 39] Generated Node #0,2,2: 90:[30, 39] Operation: 44-5=39 Exploring Operation: 5+44=49, Resulting Numbers: [30, 49] Generated Node #0,2,3: 90:[30, 49] Operation: 5+44=49 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 90:[5, 14], Operations: ['46-16=30', '44-30=14'] Exploring Operation: 5+14=19, Resulting Numbers: [19] 19,90 unequal: No Solution Exploring Operation: 14-5=9, Resulting Numbers: [9] 9,90 unequal: No Solution Exploring Operation: 5*14=70, Resulting Numbers: [70] 70,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 90:[44, 6], Operations: ['46-16=30', '30/5=6'] Exploring Operation: 44+6=50, Resulting Numbers: [50] 50,90 unequal: No Solution Exploring Operation: 44-6=38, Resulting Numbers: [38] 38,90 unequal: No Solution Exploring Operation: 44*6=264, Resulting Numbers: [264] 264,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 90:[30, 49], Operations: ['46-16=30', '5+44=49'] Exploring Operation: 30*49=1470, Resulting Numbers: [1470] 1470,90 unequal: No Solution Exploring Operation: 30+49=79, Resulting Numbers: [79] 79,90 unequal: No Solution Exploring Operation: 49-30=19, Resulting Numbers: [19] 19,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 90:[30, 39], Operations: ['46-16=30', '44-5=39'] Exploring Operation: 39-30=9, Resulting Numbers: [9] 9,90 unequal: No Solution Exploring Operation: 30+39=69, Resulting Numbers: [69] 69,90 unequal: No Solution Exploring Operation: 30*39=1170, Resulting Numbers: [1170] 1170,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 90:[16, 5, 2], Operations: ['46-44=2'] Exploring Operation: 16+2=18, Resulting Numbers: [5, 18] Generated Node #0,3,0: 90:[5, 18] Operation: 16+2=18 Exploring Operation: 16-5=11, Resulting Numbers: [2, 11] Generated Node #0,3,1: 90:[2, 11] Operation: 16-5=11 Exploring Operation: 16/2=8, Resulting Numbers: [5, 8] Generated Node #0,3,2: 90:[5, 8] Operation: 16/2=8 Exploring Operation: 16-2=14, Resulting Numbers: [5, 14] Generated Node #0,3,3: 90:[5, 14] Operation: 16-2=14 Moving to Node #0,3,0 Current State: 90:[5, 18], Operations: ['46-44=2', '16+2=18'] Exploring Operation: 5+18=23, Resulting Numbers: [23] 23,90 unequal: No Solution Exploring Operation: 18-5=13, Resulting Numbers: [13] 13,90 unequal: No Solution Exploring Operation: 5*18=90, Resulting Numbers: [90] 90,90 equal: Goal Reached Moving to Node #0 Current State: 90:[16, 5, 46, 44], Operations: [] Exploring Operation: 46-44=2, Resulting Numbers: [16, 5, 2] Generated Node #0,3: 90:[16, 5, 2] Operation: 46-44=2 Moving to Node #0,3 Current State: 90:[16, 5, 2], Operations: ['46-44=2'] Exploring Operation: 16+2=18, Resulting Numbers: [5, 18] Generated Node #0,3,0: 90:[5, 18] Operation: 16+2=18 Moving to Node #0,3,0 Current State: 90:[5, 18], Operations: ['46-44=2', '16+2=18'] Exploring Operation: 5*18=90, Resulting Numbers: [90] 90,90 equal: Goal Reached Exit Sub Search at level 1
0.959201
hs_4
mult_heuristic
[ 16, 82, 28, 11 ]
83
[ "82-16=66", "28-11=17", "66+17=83" ]
Current State: 83:[16, 82, 28, 11], Operations: [] Exploring Operation: 82-16=66, Resulting Numbers: [28, 11, 66] Generated Node #2: [28, 11, 66] from Operation: 82-16=66 Current State: 83:[28, 11, 66], Operations: ['82-16=66'] Exploring Operation: 28-11=17, Resulting Numbers: [66, 17] Generated Node #3: [66, 17] from Operation: 28-11=17 Current State: 83:[66, 17], Operations: ['82-16=66', '28-11=17'] Exploring Operation: 66+17=83, Resulting Numbers: [83] 83,83 equal: Goal Reached
4
Current State: 83:[16, 82, 28, 11], Operations: [] Exploring Operation: 28+11=39, Resulting Numbers: [16, 82, 39] Generated Node #0,0: 83:[16, 82, 39] Operation: 28+11=39 Exploring Operation: 16+11=27, Resulting Numbers: [82, 28, 27] Generated Node #0,1: 83:[82, 28, 27] Operation: 16+11=27 Exploring Operation: 16+28=44, Resulting Numbers: [82, 11, 44] Generated Node #0,2: 83:[82, 11, 44] Operation: 16+28=44 Moving to Node #0,0 Current State: 83:[16, 82, 39], Operations: ['28+11=39'] Exploring Operation: 16+82=98, Resulting Numbers: [39, 98] Generated Node #0,0,0: 83:[39, 98] Operation: 16+82=98 Exploring Operation: 16+39=55, Resulting Numbers: [82, 55] Generated Node #0,0,1: 83:[82, 55] Operation: 16+39=55 Exploring Operation: 82-16=66, Resulting Numbers: [39, 66] Generated Node #0,0,2: 83:[39, 66] Operation: 82-16=66 Moving to Node #0,1 Current State: 83:[82, 28, 27], Operations: ['16+11=27'] Exploring Operation: 82+27=109, Resulting Numbers: [28, 109] Generated Node #0,1,0: 83:[28, 109] Operation: 82+27=109 Exploring Operation: 28+27=55, Resulting Numbers: [82, 55] Generated Node #0,1,1: 83:[82, 55] Operation: 28+27=55 Exploring Operation: 82+28=110, Resulting Numbers: [27, 110] Generated Node #0,1,2: 83:[27, 110] Operation: 82+28=110 Moving to Node #0,2 Current State: 83:[82, 11, 44], Operations: ['16+28=44'] Exploring Operation: 82+11=93, Resulting Numbers: [44, 93] Generated Node #0,2,0: 83:[44, 93] Operation: 82+11=93 Exploring Operation: 11+44=55, Resulting Numbers: [82, 55] Generated Node #0,2,1: 83:[82, 55] Operation: 11+44=55 Exploring Operation: 82-11=71, Resulting Numbers: [44, 71] Generated Node #0,2,2: 83:[44, 71] Operation: 82-11=71 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 83:[82, 55], Operations: ['16+28=44', '11+44=55'] Exploring Operation: 82+55=137, Resulting Numbers: [137] 137,83 unequal: No Solution Exploring Operation: 82-55=27, Resulting Numbers: [27] 27,83 unequal: No Solution Exploring Operation: 82*55=4510, Resulting Numbers: [4510] 4510,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 83:[44, 93], Operations: ['16+28=44', '82+11=93'] Exploring Operation: 44+93=137, Resulting Numbers: [137] 137,83 unequal: No Solution Exploring Operation: 44*93=4092, Resulting Numbers: [4092] 4092,83 unequal: No Solution Exploring Operation: 93-44=49, Resulting Numbers: [49] 49,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 83:[44, 71], Operations: ['16+28=44', '82-11=71'] Exploring Operation: 71-44=27, Resulting Numbers: [27] 27,83 unequal: No Solution Exploring Operation: 44*71=3124, Resulting Numbers: [3124] 3124,83 unequal: No Solution Exploring Operation: 44+71=115, Resulting Numbers: [115] 115,83 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: 83:[82, 55], Operations: ['28+11=39', '16+39=55'] Exploring Operation: 82-55=27, Resulting Numbers: [27] 27,83 unequal: No Solution Exploring Operation: 82+55=137, Resulting Numbers: [137] 137,83 unequal: No Solution Exploring Operation: 82*55=4510, Resulting Numbers: [4510] 4510,83 unequal: No Solution Moving to Node #0,1,1 Current State: 83:[82, 55], Operations: ['16+11=27', '28+27=55'] Exploring Operation: 82-55=27, Resulting Numbers: [27] 27,83 unequal: No Solution Exploring Operation: 82*55=4510, Resulting Numbers: [4510] 4510,83 unequal: No Solution Exploring Operation: 82+55=137, Resulting Numbers: [137] 137,83 unequal: No Solution Moving to Node #0,0,0 Current State: 83:[39, 98], Operations: ['28+11=39', '16+82=98'] Exploring Operation: 39*98=3822, Resulting Numbers: [3822] 3822,83 unequal: No Solution Exploring Operation: 98-39=59, Resulting Numbers: [59] 59,83 unequal: No Solution Exploring Operation: 39+98=137, Resulting Numbers: [137] 137,83 unequal: No Solution Moving to Node #0,0,2 Current State: 83:[39, 66], Operations: ['28+11=39', '82-16=66'] Exploring Operation: 39*66=2574, Resulting Numbers: [2574] 2574,83 unequal: No Solution Exploring Operation: 66-39=27, Resulting Numbers: [27] 27,83 unequal: No Solution Exploring Operation: 39+66=105, Resulting Numbers: [105] 105,83 unequal: No Solution Moving to Node #0,1,0 Current State: 83:[28, 109], Operations: ['16+11=27', '82+27=109'] Exploring Operation: 28*109=3052, Resulting Numbers: [3052] 3052,83 unequal: No Solution Exploring Operation: 109-28=81, Resulting Numbers: [81] 81,83 unequal: No Solution Exploring Operation: 28+109=137, Resulting Numbers: [137] 137,83 unequal: No Solution Moving to Node #0,1,2 Current State: 83:[27, 110], Operations: ['16+11=27', '82+28=110'] Exploring Operation: 27*110=2970, Resulting Numbers: [2970] 2970,83 unequal: No Solution Exploring Operation: 27+110=137, Resulting Numbers: [137] 137,83 unequal: No Solution Exploring Operation: 110-27=83, Resulting Numbers: [83] 83,83 equal: Goal Reached Moving to Node #0 Current State: 83:[16, 82, 28, 11], Operations: [] Exploring Operation: 16+11=27, Resulting Numbers: [82, 28, 27] Generated Node #0,1: 83:[82, 28, 27] Operation: 16+11=27 Moving to Node #0,1 Current State: 83:[82, 28, 27], Operations: ['16+11=27'] Exploring Operation: 82+28=110, Resulting Numbers: [27, 110] Generated Node #0,1,2: 83:[27, 110] Operation: 82+28=110 Moving to Node #0,1,2 Current State: 83:[27, 110], Operations: ['16+11=27', '82+28=110'] Exploring Operation: 110-27=83, Resulting Numbers: [83] 83,83 equal: Goal Reached
0.962674
hs_3
sum_heuristic
[ 60, 20, 4, 15 ]
69
[ "60+20=80", "15-4=11", "80-11=69" ]
Current State: 69:[60, 20, 4, 15], Operations: [] Exploring Operation: 60+20=80, Resulting Numbers: [4, 15, 80] Generated Node #2: [4, 15, 80] from Operation: 60+20=80 Current State: 69:[4, 15, 80], Operations: ['60+20=80'] Exploring Operation: 15-4=11, Resulting Numbers: [80, 11] Generated Node #3: [80, 11] from Operation: 15-4=11 Current State: 69:[80, 11], Operations: ['60+20=80', '15-4=11'] Exploring Operation: 80-11=69, Resulting Numbers: [69] 69,69 equal: Goal Reached
4
Current State: 69:[60, 20, 4, 15], Operations: [] Exploring Operation: 60/15=4, Resulting Numbers: [20, 4, 4] Generated Node #0,0: 69:[20, 4, 4] Operation: 60/15=4 Exploring Operation: 60/20=3, Resulting Numbers: [4, 15, 3] Generated Node #0,1: 69:[4, 15, 3] Operation: 60/20=3 Start Sub Search at level 1: Moving to Node #0,0 Current State: 69:[20, 4, 4], Operations: ['60/15=4'] Exploring Operation: 20+4=24, Resulting Numbers: [4, 24] Generated Node #0,0,0: 69:[4, 24] Operation: 20+4=24 Exploring Operation: 20+4=24, Resulting Numbers: [4, 24] Generated Node #0,0,1: 69:[4, 24] Operation: 20+4=24 Moving to Node #0,0,0 Current State: 69:[4, 24], Operations: ['60/15=4', '20+4=24'] Exploring Operation: 24/4=6, Resulting Numbers: [6] 6,69 unequal: No Solution Exploring Operation: 24-4=20, Resulting Numbers: [20] 20,69 unequal: No Solution Moving to Node #0,0,1 Current State: 69:[4, 24], Operations: ['60/15=4', '20+4=24'] Exploring Operation: 24-4=20, Resulting Numbers: [20] 20,69 unequal: No Solution Exploring Operation: 24/4=6, Resulting Numbers: [6] 6,69 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 69:[4, 15, 3], Operations: ['60/20=3'] Exploring Operation: 4+15=19, Resulting Numbers: [3, 19] Generated Node #0,1,0: 69:[3, 19] Operation: 4+15=19 Exploring Operation: 15/3=5, Resulting Numbers: [4, 5] Generated Node #0,1,1: 69:[4, 5] Operation: 15/3=5 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 69:[4, 5], Operations: ['60/20=3', '15/3=5'] Exploring Operation: 5-4=1, Resulting Numbers: [1] 1,69 unequal: No Solution Exploring Operation: 4*5=20, Resulting Numbers: [20] 20,69 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 69:[3, 19], Operations: ['60/20=3', '4+15=19'] Exploring Operation: 19-3=16, Resulting Numbers: [16] 16,69 unequal: No Solution Exploring Operation: 3+19=22, Resulting Numbers: [22] 22,69 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 19, 89, 22, 21 ]
95
[ "89+21=110", "19*110=2090", "2090/22=95" ]
Current State: 95:[19, 89, 22, 21], Operations: [] Exploring Operation: 89+21=110, Resulting Numbers: [19, 22, 110] Generated Node #2: [19, 22, 110] from Operation: 89+21=110 Current State: 95:[19, 22, 110], Operations: ['89+21=110'] Exploring Operation: 19*110=2090, Resulting Numbers: [22, 2090] Generated Node #3: [22, 2090] from Operation: 19*110=2090 Current State: 95:[22, 2090], Operations: ['89+21=110', '19*110=2090'] Exploring Operation: 2090/22=95, Resulting Numbers: [95] 95,95 equal: Goal Reached
4
Current State: 95:[19, 89, 22, 21], Operations: [] Exploring Operation: 21-19=2, Resulting Numbers: [89, 22, 2] Generated Node #0,0: 95:[89, 22, 2] Operation: 21-19=2 Exploring Operation: 22-19=3, Resulting Numbers: [89, 21, 3] Generated Node #0,1: 95:[89, 21, 3] Operation: 22-19=3 Exploring Operation: 22-21=1, Resulting Numbers: [19, 89, 1] Generated Node #0,2: 95:[19, 89, 1] Operation: 22-21=1 Moving to Node #0,1 Current State: 95:[89, 21, 3], Operations: ['22-19=3'] Exploring Operation: 21/3=7, Resulting Numbers: [89, 7] Generated Node #0,1,0: 95:[89, 7] Operation: 21/3=7 Exploring Operation: 89+3=92, Resulting Numbers: [21, 92] Generated Node #0,1,1: 95:[21, 92] Operation: 89+3=92 Exploring Operation: 21-3=18, Resulting Numbers: [89, 18] Generated Node #0,1,2: 95:[89, 18] Operation: 21-3=18 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 95:[21, 92], Operations: ['22-19=3', '89+3=92'] Exploring Operation: 21*92=1932, Resulting Numbers: [1932] 1932,95 unequal: No Solution Exploring Operation: 92-21=71, Resulting Numbers: [71] 71,95 unequal: No Solution Exploring Operation: 21+92=113, Resulting Numbers: [113] 113,95 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 95:[89, 18], Operations: ['22-19=3', '21-3=18'] Exploring Operation: 89+18=107, Resulting Numbers: [107] 107,95 unequal: No Solution Exploring Operation: 89-18=71, Resulting Numbers: [71] 71,95 unequal: No Solution Exploring Operation: 89*18=1602, Resulting Numbers: [1602] 1602,95 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 95:[89, 7], Operations: ['22-19=3', '21/3=7'] Exploring Operation: 89*7=623, Resulting Numbers: [623] 623,95 unequal: No Solution Exploring Operation: 89-7=82, Resulting Numbers: [82] 82,95 unequal: No Solution Exploring Operation: 89+7=96, Resulting Numbers: [96] 96,95 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: 95:[19, 89, 1], Operations: ['22-21=1'] Exploring Operation: 19*1=19, Resulting Numbers: [89, 19] Generated Node #0,2,0: 95:[89, 19] Operation: 19*1=19 Exploring Operation: 89+1=90, Resulting Numbers: [19, 90] Generated Node #0,2,1: 95:[19, 90] Operation: 89+1=90 Exploring Operation: 19/1=19, Resulting Numbers: [89, 19] Generated Node #0,2,2: 95:[89, 19] Operation: 19/1=19 Moving to Node #0,0 Current State: 95:[89, 22, 2], Operations: ['21-19=2'] Exploring Operation: 89+2=91, Resulting Numbers: [22, 91] Generated Node #0,0,0: 95:[22, 91] Operation: 89+2=91 Exploring Operation: 89-2=87, Resulting Numbers: [22, 87] Generated Node #0,0,1: 95:[22, 87] Operation: 89-2=87 Exploring Operation: 22-2=20, Resulting Numbers: [89, 20] Generated Node #0,0,2: 95:[89, 20] Operation: 22-2=20 Moving to Node #0,2,1 Current State: 95:[19, 90], Operations: ['22-21=1', '89+1=90'] Exploring Operation: 90-19=71, Resulting Numbers: [71] 71,95 unequal: No Solution Exploring Operation: 19*90=1710, Resulting Numbers: [1710] 1710,95 unequal: No Solution Exploring Operation: 19+90=109, Resulting Numbers: [109] 109,95 unequal: No Solution Moving to Node #0,2,2 Current State: 95:[89, 19], Operations: ['22-21=1', '19/1=19'] Exploring Operation: 89-19=70, Resulting Numbers: [70] 70,95 unequal: No Solution Exploring Operation: 89+19=108, Resulting Numbers: [108] 108,95 unequal: No Solution Exploring Operation: 89*19=1691, Resulting Numbers: [1691] 1691,95 unequal: No Solution Moving to Node #0,2,0 Current State: 95:[89, 19], Operations: ['22-21=1', '19*1=19'] Exploring Operation: 89-19=70, Resulting Numbers: [70] 70,95 unequal: No Solution Exploring Operation: 89+19=108, Resulting Numbers: [108] 108,95 unequal: No Solution Exploring Operation: 89*19=1691, Resulting Numbers: [1691] 1691,95 unequal: No Solution Moving to Node #0,0,0 Current State: 95:[22, 91], Operations: ['21-19=2', '89+2=91'] Exploring Operation: 91-22=69, Resulting Numbers: [69] 69,95 unequal: No Solution Exploring Operation: 22*91=2002, Resulting Numbers: [2002] 2002,95 unequal: No Solution Exploring Operation: 22+91=113, Resulting Numbers: [113] 113,95 unequal: No Solution Moving to Node #0,0,2 Current State: 95:[89, 20], Operations: ['21-19=2', '22-2=20'] Exploring Operation: 89+20=109, Resulting Numbers: [109] 109,95 unequal: No Solution Exploring Operation: 89*20=1780, Resulting Numbers: [1780] 1780,95 unequal: No Solution Exploring Operation: 89-20=69, Resulting Numbers: [69] 69,95 unequal: No Solution Moving to Node #0,0,1 Current State: 95:[22, 87], Operations: ['21-19=2', '89-2=87'] Exploring Operation: 22*87=1914, Resulting Numbers: [1914] 1914,95 unequal: No Solution Exploring Operation: 87-22=65, Resulting Numbers: [65] 65,95 unequal: No Solution Exploring Operation: 22+87=109, Resulting Numbers: [109] 109,95 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 33, 37, 69, 2 ]
61
[ "37-33=4", "2*4=8", "69-8=61" ]
Current State: 61:[33, 37, 69, 2], Operations: [] Exploring Operation: 37-33=4, Resulting Numbers: [69, 2, 4] Generated Node #2: [69, 2, 4] from Operation: 37-33=4 Current State: 61:[69, 2, 4], Operations: ['37-33=4'] Exploring Operation: 2*4=8, Resulting Numbers: [69, 8] Generated Node #3: [69, 8] from Operation: 2*4=8 Current State: 61:[69, 8], Operations: ['37-33=4', '2*4=8'] Exploring Operation: 69-8=61, Resulting Numbers: [61] 61,61 equal: Goal Reached
4
Current State: 61:[33, 37, 69, 2], Operations: [] Exploring Operation: 37*2=74, Resulting Numbers: [33, 69, 74] Generated Node #0,0: 61:[33, 69, 74] Operation: 37*2=74 Exploring Operation: 33*2=66, Resulting Numbers: [37, 69, 66] Generated Node #0,1: 61:[37, 69, 66] Operation: 33*2=66 Start Sub Search at level 1: Moving to Node #0,1 Current State: 61:[37, 69, 66], Operations: ['33*2=66'] Exploring Operation: 69-37=32, Resulting Numbers: [66, 32] Generated Node #0,1,0: 61:[66, 32] Operation: 69-37=32 Exploring Operation: 66-37=29, Resulting Numbers: [69, 29] Generated Node #0,1,1: 61:[69, 29] Operation: 66-37=29 Moving to Node #0,1,0 Current State: 61:[66, 32], Operations: ['33*2=66', '69-37=32'] Exploring Operation: 66-32=34, Resulting Numbers: [34] 34,61 unequal: No Solution Exploring Operation: 66+32=98, Resulting Numbers: [98] 98,61 unequal: No Solution Moving to Node #0,1,1 Current State: 61:[69, 29], Operations: ['33*2=66', '66-37=29'] Exploring Operation: 69-29=40, Resulting Numbers: [40] 40,61 unequal: No Solution Exploring Operation: 69+29=98, Resulting Numbers: [98] 98,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 61:[33, 69, 74], Operations: ['37*2=74'] Exploring Operation: 74-33=41, Resulting Numbers: [69, 41] Generated Node #0,0,0: 61:[69, 41] Operation: 74-33=41 Exploring Operation: 69-33=36, Resulting Numbers: [74, 36] Generated Node #0,0,1: 61:[74, 36] Operation: 69-33=36 Moving to Node #0,0,0 Current State: 61:[69, 41], Operations: ['37*2=74', '74-33=41'] Exploring Operation: 69-41=28, Resulting Numbers: [28] 28,61 unequal: No Solution Exploring Operation: 69+41=110, Resulting Numbers: [110] 110,61 unequal: No Solution Moving to Node #0,0,1 Current State: 61:[74, 36], Operations: ['37*2=74', '69-33=36'] Exploring Operation: 74+36=110, Resulting Numbers: [110] 110,61 unequal: No Solution Exploring Operation: 74-36=38, Resulting Numbers: [38] 38,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 68, 42, 71, 7 ]
32
[ "68+42=110", "71+7=78", "110-78=32" ]
Current State: 32:[68, 42, 71, 7], Operations: [] Exploring Operation: 68+42=110, Resulting Numbers: [71, 7, 110] Generated Node #2: [71, 7, 110] from Operation: 68+42=110 Current State: 32:[71, 7, 110], Operations: ['68+42=110'] Exploring Operation: 71+7=78, Resulting Numbers: [110, 78] Generated Node #3: [110, 78] from Operation: 71+7=78 Current State: 32:[110, 78], Operations: ['68+42=110', '71+7=78'] Exploring Operation: 110-78=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[68, 42, 71, 7], Operations: [] Exploring Operation: 68-42=26, Resulting Numbers: [71, 7, 26] Generated Node #0,0: 32:[71, 7, 26] Operation: 68-42=26 Exploring Operation: 71-42=29, Resulting Numbers: [68, 7, 29] Generated Node #0,1: 32:[68, 7, 29] Operation: 71-42=29 Exploring Operation: 71-68=3, Resulting Numbers: [42, 7, 3] Generated Node #0,2: 32:[42, 7, 3] Operation: 71-68=3 Start Sub Search at level 1: Moving to Node #0,2 Current State: 32:[42, 7, 3], Operations: ['71-68=3'] Exploring Operation: 42/7=6, Resulting Numbers: [3, 6] Generated Node #0,2,0: 32:[3, 6] Operation: 42/7=6 Exploring Operation: 42-7=35, Resulting Numbers: [3, 35] Generated Node #0,2,1: 32:[3, 35] Operation: 42-7=35 Exploring Operation: 42/3=14, Resulting Numbers: [7, 14] Generated Node #0,2,2: 32:[7, 14] Operation: 42/3=14 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 32:[3, 6], Operations: ['71-68=3', '42/7=6'] Exploring Operation: 6-3=3, Resulting Numbers: [3] 3,32 unequal: No Solution Exploring Operation: 6/3=2, Resulting Numbers: [2] 2,32 unequal: No Solution Exploring Operation: 3+6=9, Resulting Numbers: [9] 9,32 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 #0,2,2 Current State: 32:[7, 14], Operations: ['71-68=3', '42/3=14'] Exploring Operation: 7+14=21, Resulting Numbers: [21] 21,32 unequal: No Solution Exploring Operation: 14-7=7, Resulting Numbers: [7] 7,32 unequal: No Solution Exploring Operation: 14/7=2, Resulting Numbers: [2] 2,32 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 #0,2,1 Current State: 32:[3, 35], Operations: ['71-68=3', '42-7=35'] Exploring Operation: 3*35=105, Resulting Numbers: [105] 105,32 unequal: No Solution Exploring Operation: 3+35=38, Resulting Numbers: [38] 38,32 unequal: No Solution Exploring Operation: 35-3=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Moving to Node #0 Current State: 32:[68, 42, 71, 7], Operations: [] Exploring Operation: 71-68=3, Resulting Numbers: [42, 7, 3] Generated Node #0,2: 32:[42, 7, 3] Operation: 71-68=3 Moving to Node #0,2 Current State: 32:[42, 7, 3], Operations: ['71-68=3'] Exploring Operation: 42-7=35, Resulting Numbers: [3, 35] Generated Node #0,2,1: 32:[3, 35] Operation: 42-7=35 Moving to Node #0,2,1 Current State: 32:[3, 35], Operations: ['71-68=3', '42-7=35'] Exploring Operation: 35-3=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.983507
hs_3
mult_heuristic
[ 3, 9, 19, 59 ]
72
[ "9-3=6", "19+59=78", "78-6=72" ]
Current State: 72:[3, 9, 19, 59], Operations: [] Exploring Operation: 9-3=6, Resulting Numbers: [19, 59, 6] Generated Node #2: [19, 59, 6] from Operation: 9-3=6 Current State: 72:[19, 59, 6], Operations: ['9-3=6'] Exploring Operation: 19+59=78, Resulting Numbers: [6, 78] Generated Node #3: [6, 78] from Operation: 19+59=78 Current State: 72:[6, 78], Operations: ['9-3=6', '19+59=78'] Exploring Operation: 78-6=72, Resulting Numbers: [72] 72,72 equal: Goal Reached
4
Current State: 72:[3, 9, 19, 59], Operations: [] Exploring Operation: 19+59=78, Resulting Numbers: [3, 9, 78] Generated Node #0,0: 72:[3, 9, 78] Operation: 19+59=78 Exploring Operation: 9+59=68, Resulting Numbers: [3, 19, 68] Generated Node #0,1: 72:[3, 19, 68] Operation: 9+59=68 Exploring Operation: 59-19=40, Resulting Numbers: [3, 9, 40] Generated Node #0,2: 72:[3, 9, 40] Operation: 59-19=40 Start Sub Search at level 1: Moving to Node #0,2 Current State: 72:[3, 9, 40], Operations: ['59-19=40'] Exploring Operation: 40-3=37, Resulting Numbers: [9, 37] Generated Node #0,2,0: 72:[9, 37] Operation: 40-3=37 Exploring Operation: 3+9=12, Resulting Numbers: [40, 12] Generated Node #0,2,1: 72:[40, 12] Operation: 3+9=12 Exploring Operation: 9-3=6, Resulting Numbers: [40, 6] Generated Node #0,2,2: 72:[40, 6] Operation: 9-3=6 Moving to Node #0,2,0 Current State: 72:[9, 37], Operations: ['59-19=40', '40-3=37'] Exploring Operation: 9*37=333, Resulting Numbers: [333] 333,72 unequal: No Solution Exploring Operation: 37-9=28, Resulting Numbers: [28] 28,72 unequal: No Solution Exploring Operation: 9+37=46, Resulting Numbers: [46] 46,72 unequal: No Solution Moving to Node #0,2,1 Current State: 72:[40, 12], Operations: ['59-19=40', '3+9=12'] Exploring Operation: 40+12=52, Resulting Numbers: [52] 52,72 unequal: No Solution Exploring Operation: 40-12=28, Resulting Numbers: [28] 28,72 unequal: No Solution Exploring Operation: 40*12=480, Resulting Numbers: [480] 480,72 unequal: No Solution Moving to Node #0,2,2 Current State: 72:[40, 6], Operations: ['59-19=40', '9-3=6'] Exploring Operation: 40-6=34, Resulting Numbers: [34] 34,72 unequal: No Solution Exploring Operation: 40*6=240, Resulting Numbers: [240] 240,72 unequal: No Solution Exploring Operation: 40+6=46, Resulting Numbers: [46] 46,72 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 72:[3, 19, 68], Operations: ['9+59=68'] Exploring Operation: 3+19=22, Resulting Numbers: [68, 22] Generated Node #0,1,0: 72:[68, 22] Operation: 3+19=22 Exploring Operation: 3+68=71, Resulting Numbers: [19, 71] Generated Node #0,1,1: 72:[19, 71] Operation: 3+68=71 Exploring Operation: 19-3=16, Resulting Numbers: [68, 16] Generated Node #0,1,2: 72:[68, 16] Operation: 19-3=16 Moving to Node #0,1,1 Current State: 72:[19, 71], Operations: ['9+59=68', '3+68=71'] Exploring Operation: 19*71=1349, Resulting Numbers: [1349] 1349,72 unequal: No Solution Exploring Operation: 71-19=52, Resulting Numbers: [52] 52,72 unequal: No Solution Exploring Operation: 19+71=90, Resulting Numbers: [90] 90,72 unequal: No Solution Moving to Node #0,1,0 Current State: 72:[68, 22], Operations: ['9+59=68', '3+19=22'] Exploring Operation: 68-22=46, Resulting Numbers: [46] 46,72 unequal: No Solution Exploring Operation: 68*22=1496, Resulting Numbers: [1496] 1496,72 unequal: No Solution Exploring Operation: 68+22=90, Resulting Numbers: [90] 90,72 unequal: No Solution Moving to Node #0,1,2 Current State: 72:[68, 16], Operations: ['9+59=68', '19-3=16'] Exploring Operation: 68+16=84, Resulting Numbers: [84] 84,72 unequal: No Solution Exploring Operation: 68*16=1088, Resulting Numbers: [1088] 1088,72 unequal: No Solution Exploring Operation: 68-16=52, Resulting Numbers: [52] 52,72 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 72:[3, 9, 78], Operations: ['19+59=78'] Exploring Operation: 78-9=69, Resulting Numbers: [3, 69] Generated Node #0,0,0: 72:[3, 69] Operation: 78-9=69 Exploring Operation: 78/3=26, Resulting Numbers: [9, 26] Generated Node #0,0,1: 72:[9, 26] Operation: 78/3=26 Exploring Operation: 78-3=75, Resulting Numbers: [9, 75] Generated Node #0,0,2: 72:[9, 75] Operation: 78-3=75 Moving to Node #0,0,1 Current State: 72:[9, 26], Operations: ['19+59=78', '78/3=26'] Exploring Operation: 9+26=35, Resulting Numbers: [35] 35,72 unequal: No Solution Exploring Operation: 26-9=17, Resulting Numbers: [17] 17,72 unequal: No Solution Exploring Operation: 9*26=234, Resulting Numbers: [234] 234,72 unequal: No Solution Moving to Node #0,0,0 Current State: 72:[3, 69], Operations: ['19+59=78', '78-9=69'] Exploring Operation: 3+69=72, Resulting Numbers: [72] 72,72 equal: Goal Reached Moving to Node #0 Current State: 72:[3, 9, 19, 59], Operations: [] Exploring Operation: 19+59=78, Resulting Numbers: [3, 9, 78] Generated Node #0,0: 72:[3, 9, 78] Operation: 19+59=78 Moving to Node #0,0 Current State: 72:[3, 9, 78], Operations: ['19+59=78'] Exploring Operation: 78-9=69, Resulting Numbers: [3, 69] Generated Node #0,0,0: 72:[3, 69] Operation: 78-9=69 Moving to Node #0,0,0 Current State: 72:[3, 69], Operations: ['19+59=78', '78-9=69'] Exploring Operation: 3+69=72, Resulting Numbers: [72] 72,72 equal: Goal Reached Exit Sub Search at level 1
0.967014
hs_3
mult_heuristic
[ 19, 8, 94, 15 ]
62
[ "19-15=4", "8*4=32", "94-32=62" ]
Current State: 62:[19, 8, 94, 15], Operations: [] Exploring Operation: 19-15=4, Resulting Numbers: [8, 94, 4] Generated Node #2: [8, 94, 4] from Operation: 19-15=4 Current State: 62:[8, 94, 4], Operations: ['19-15=4'] Exploring Operation: 8*4=32, Resulting Numbers: [94, 32] Generated Node #3: [94, 32] from Operation: 8*4=32 Current State: 62:[94, 32], Operations: ['19-15=4', '8*4=32'] Exploring Operation: 94-32=62, Resulting Numbers: [62] 62,62 equal: Goal Reached
4
Current State: 62:[19, 8, 94, 15], Operations: [] Exploring Operation: 94-15=79, Resulting Numbers: [19, 8, 79] Generated Node #0,0: 62:[19, 8, 79] Operation: 94-15=79 Exploring Operation: 19-15=4, Resulting Numbers: [8, 94, 4] Generated Node #0,1: 62:[8, 94, 4] Operation: 19-15=4 Exploring Operation: 94-19=75, Resulting Numbers: [8, 15, 75] Generated Node #0,2: 62:[8, 15, 75] Operation: 94-19=75 Start Sub Search at level 1: Moving to Node #0,2 Current State: 62:[8, 15, 75], Operations: ['94-19=75'] Exploring Operation: 15-8=7, Resulting Numbers: [75, 7] Generated Node #0,2,0: 62:[75, 7] Operation: 15-8=7 Exploring Operation: 75/15=5, Resulting Numbers: [8, 5] Generated Node #0,2,1: 62:[8, 5] Operation: 75/15=5 Exploring Operation: 75-15=60, Resulting Numbers: [8, 60] Generated Node #0,2,2: 62:[8, 60] Operation: 75-15=60 Moving to Node #0,2,2 Current State: 62:[8, 60], Operations: ['94-19=75', '75-15=60'] Exploring Operation: 8+60=68, Resulting Numbers: [68] 68,62 unequal: No Solution Exploring Operation: 60-8=52, Resulting Numbers: [52] 52,62 unequal: No Solution Exploring Operation: 8*60=480, Resulting Numbers: [480] 480,62 unequal: No Solution Moving to Node #0,2,1 Current State: 62:[8, 5], Operations: ['94-19=75', '75/15=5'] Exploring Operation: 8-5=3, Resulting Numbers: [3] 3,62 unequal: No Solution Exploring Operation: 8+5=13, Resulting Numbers: [13] 13,62 unequal: No Solution Exploring Operation: 8*5=40, Resulting Numbers: [40] 40,62 unequal: No Solution Moving to Node #0,2,0 Current State: 62:[75, 7], Operations: ['94-19=75', '15-8=7'] Exploring Operation: 75+7=82, Resulting Numbers: [82] 82,62 unequal: No Solution Exploring Operation: 75*7=525, Resulting Numbers: [525] 525,62 unequal: No Solution Exploring Operation: 75-7=68, Resulting Numbers: [68] 68,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 62:[19, 8, 79], Operations: ['94-15=79'] Exploring Operation: 79-8=71, Resulting Numbers: [19, 71] Generated Node #0,0,0: 62:[19, 71] Operation: 79-8=71 Exploring Operation: 19+8=27, Resulting Numbers: [79, 27] Generated Node #0,0,1: 62:[79, 27] Operation: 19+8=27 Exploring Operation: 79-19=60, Resulting Numbers: [8, 60] Generated Node #0,0,2: 62:[8, 60] Operation: 79-19=60 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 62:[8, 60], Operations: ['94-15=79', '79-19=60'] Exploring Operation: 8+60=68, Resulting Numbers: [68] 68,62 unequal: No Solution Exploring Operation: 8*60=480, Resulting Numbers: [480] 480,62 unequal: No Solution Exploring Operation: 60-8=52, Resulting Numbers: [52] 52,62 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 62:[19, 71], Operations: ['94-15=79', '79-8=71'] Exploring Operation: 19*71=1349, Resulting Numbers: [1349] 1349,62 unequal: No Solution Exploring Operation: 71-19=52, Resulting Numbers: [52] 52,62 unequal: No Solution Exploring Operation: 19+71=90, Resulting Numbers: [90] 90,62 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 62:[79, 27], Operations: ['94-15=79', '19+8=27'] Exploring Operation: 79*27=2133, Resulting Numbers: [2133] 2133,62 unequal: No Solution Exploring Operation: 79+27=106, Resulting Numbers: [106] 106,62 unequal: No Solution Exploring Operation: 79-27=52, Resulting Numbers: [52] 52,62 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 62:[8, 94, 4], Operations: ['19-15=4'] Exploring Operation: 8*4=32, Resulting Numbers: [94, 32] Generated Node #0,1,0: 62:[94, 32] Operation: 8*4=32 Exploring Operation: 94-8=86, Resulting Numbers: [4, 86] Generated Node #0,1,1: 62:[4, 86] Operation: 94-8=86 Exploring Operation: 8/4=2, Resulting Numbers: [94, 2] Generated Node #0,1,2: 62:[94, 2] Operation: 8/4=2 Moving to Node #0,1,1 Current State: 62:[4, 86], Operations: ['19-15=4', '94-8=86'] Exploring Operation: 4+86=90, Resulting Numbers: [90] 90,62 unequal: No Solution Exploring Operation: 86-4=82, Resulting Numbers: [82] 82,62 unequal: No Solution Exploring Operation: 4*86=344, Resulting Numbers: [344] 344,62 unequal: No Solution Moving to Node #0,1,2 Current State: 62:[94, 2], Operations: ['19-15=4', '8/4=2'] Exploring Operation: 94-2=92, Resulting Numbers: [92] 92,62 unequal: No Solution Exploring Operation: 94+2=96, Resulting Numbers: [96] 96,62 unequal: No Solution Exploring Operation: 94/2=47, Resulting Numbers: [47] 47,62 unequal: No Solution Moving to Node #0,1,0 Current State: 62:[94, 32], Operations: ['19-15=4', '8*4=32'] Exploring Operation: 94+32=126, Resulting Numbers: [126] 126,62 unequal: No Solution Exploring Operation: 94*32=3008, Resulting Numbers: [3008] 3008,62 unequal: No Solution Exploring Operation: 94-32=62, Resulting Numbers: [62] 62,62 equal: Goal Reached Moving to Node #0 Current State: 62:[19, 8, 94, 15], Operations: [] Exploring Operation: 19-15=4, Resulting Numbers: [8, 94, 4] Generated Node #0,1: 62:[8, 94, 4] Operation: 19-15=4 Moving to Node #0,1 Current State: 62:[8, 94, 4], Operations: ['19-15=4'] Exploring Operation: 8*4=32, Resulting Numbers: [94, 32] Generated Node #0,1,0: 62:[94, 32] Operation: 8*4=32 Moving to Node #0,1,0 Current State: 62:[94, 32], Operations: ['19-15=4', '8*4=32'] Exploring Operation: 94-32=62, Resulting Numbers: [62] 62,62 equal: Goal Reached Exit Sub Search at level 1
0.962674
hs_3
mult_heuristic
[ 13, 33, 94, 15 ]
68
[ "13*15=195", "33+94=127", "195-127=68" ]
Current State: 68:[13, 33, 94, 15], Operations: [] Exploring Operation: 13*15=195, Resulting Numbers: [33, 94, 195] Generated Node #2: [33, 94, 195] from Operation: 13*15=195 Current State: 68:[33, 94, 195], Operations: ['13*15=195'] Exploring Operation: 33+94=127, Resulting Numbers: [195, 127] Generated Node #3: [195, 127] from Operation: 33+94=127 Current State: 68:[195, 127], Operations: ['13*15=195', '33+94=127'] Exploring Operation: 195-127=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
4
Current State: 68:[13, 33, 94, 15], Operations: [] Exploring Operation: 94-13=81, Resulting Numbers: [33, 15, 81] Generated Node #0,0: 68:[33, 15, 81] Operation: 94-13=81 Exploring Operation: 94-33=61, Resulting Numbers: [13, 15, 61] Generated Node #0,1: 68:[13, 15, 61] Operation: 94-33=61 Start Sub Search at level 1: Moving to Node #0,1 Current State: 68:[13, 15, 61], Operations: ['94-33=61'] Exploring Operation: 13+61=74, Resulting Numbers: [15, 74] Generated Node #0,1,0: 68:[15, 74] Operation: 13+61=74 Exploring Operation: 15-13=2, Resulting Numbers: [61, 2] Generated Node #0,1,1: 68:[61, 2] Operation: 15-13=2 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 68:[61, 2], Operations: ['94-33=61', '15-13=2'] Exploring Operation: 61-2=59, Resulting Numbers: [59] 59,68 unequal: No Solution Exploring Operation: 61+2=63, Resulting Numbers: [63] 63,68 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 68:[15, 74], Operations: ['94-33=61', '13+61=74'] Exploring Operation: 15+74=89, Resulting Numbers: [89] 89,68 unequal: No Solution Exploring Operation: 74-15=59, Resulting Numbers: [59] 59,68 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 68:[33, 15, 81], Operations: ['94-13=81'] Exploring Operation: 33-15=18, Resulting Numbers: [81, 18] Generated Node #0,0,0: 68:[81, 18] Operation: 33-15=18 Exploring Operation: 81-15=66, Resulting Numbers: [33, 66] Generated Node #0,0,1: 68:[33, 66] Operation: 81-15=66 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 68:[33, 66], Operations: ['94-13=81', '81-15=66'] Exploring Operation: 66-33=33, Resulting Numbers: [33] 33,68 unequal: No Solution Exploring Operation: 66/33=2, Resulting Numbers: [2] 2,68 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 68:[81, 18], Operations: ['94-13=81', '33-15=18'] Exploring Operation: 81-18=63, Resulting Numbers: [63] 63,68 unequal: No Solution Exploring Operation: 81+18=99, Resulting Numbers: [99] 99,68 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 42, 64, 95, 34 ]
83
[ "64-42=22", "95-34=61", "22+61=83" ]
Current State: 83:[42, 64, 95, 34], Operations: [] Exploring Operation: 64-42=22, Resulting Numbers: [95, 34, 22] Generated Node #2: [95, 34, 22] from Operation: 64-42=22 Current State: 83:[95, 34, 22], Operations: ['64-42=22'] Exploring Operation: 95-34=61, Resulting Numbers: [22, 61] Generated Node #3: [22, 61] from Operation: 95-34=61 Current State: 83:[22, 61], Operations: ['64-42=22', '95-34=61'] Exploring Operation: 22+61=83, Resulting Numbers: [83] 83,83 equal: Goal Reached
4
Current State: 83:[42, 64, 95, 34], Operations: [] Exploring Operation: 42+34=76, Resulting Numbers: [64, 95, 76] Generated Node #0,0: 83:[64, 95, 76] Operation: 42+34=76 Exploring Operation: 95-34=61, Resulting Numbers: [42, 64, 61] Generated Node #0,1: 83:[42, 64, 61] Operation: 95-34=61 Exploring Operation: 42+64=106, Resulting Numbers: [95, 34, 106] Generated Node #0,2: 83:[95, 34, 106] Operation: 42+64=106 Exploring Operation: 64+34=98, Resulting Numbers: [42, 95, 98] Generated Node #0,3: 83:[42, 95, 98] Operation: 64+34=98 Moving to Node #0,0 Current State: 83:[64, 95, 76], Operations: ['42+34=76'] Exploring Operation: 95-64=31, Resulting Numbers: [76, 31] Generated Node #0,0,0: 83:[76, 31] Operation: 95-64=31 Exploring Operation: 64+76=140, Resulting Numbers: [95, 140] Generated Node #0,0,1: 83:[95, 140] Operation: 64+76=140 Exploring Operation: 64+95=159, Resulting Numbers: [76, 159] Generated Node #0,0,2: 83:[76, 159] Operation: 64+95=159 Exploring Operation: 76-64=12, Resulting Numbers: [95, 12] Generated Node #0,0,3: 83:[95, 12] Operation: 76-64=12 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 83:[76, 31], Operations: ['42+34=76', '95-64=31'] Exploring Operation: 76+31=107, Resulting Numbers: [107] 107,83 unequal: No Solution Exploring Operation: 76-31=45, Resulting Numbers: [45] 45,83 unequal: No Solution Exploring Operation: 76*31=2356, Resulting Numbers: [2356] 2356,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 83:[95, 140], Operations: ['42+34=76', '64+76=140'] Exploring Operation: 140-95=45, Resulting Numbers: [45] 45,83 unequal: No Solution Exploring Operation: 95+140=235, Resulting Numbers: [235] 235,83 unequal: No Solution Exploring Operation: 95*140=13300, Resulting Numbers: [13300] 13300,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 83:[76, 159], Operations: ['42+34=76', '64+95=159'] Exploring Operation: 76*159=12084, Resulting Numbers: [12084] 12084,83 unequal: No Solution Exploring Operation: 76+159=235, Resulting Numbers: [235] 235,83 unequal: No Solution Exploring Operation: 159-76=83, Resulting Numbers: [83] 83,83 equal: Goal Reached Moving to Node #0 Current State: 83:[42, 64, 95, 34], Operations: [] Exploring Operation: 42+34=76, Resulting Numbers: [64, 95, 76] Generated Node #0,0: 83:[64, 95, 76] Operation: 42+34=76 Moving to Node #0,0 Current State: 83:[64, 95, 76], Operations: ['42+34=76'] Exploring Operation: 64+95=159, Resulting Numbers: [76, 159] Generated Node #0,0,2: 83:[76, 159] Operation: 64+95=159 Moving to Node #0,0,2 Current State: 83:[76, 159], Operations: ['42+34=76', '64+95=159'] Exploring Operation: 159-76=83, Resulting Numbers: [83] 83,83 equal: Goal Reached Exit Sub Search at level 1
0.981771
hs_4
mult_heuristic
[ 22, 73, 15, 80 ]
83
[ "80-73=7", "15*7=105", "105-22=83" ]
Current State: 83:[22, 73, 15, 80], Operations: [] Exploring Operation: 80-73=7, Resulting Numbers: [22, 15, 7] Generated Node #2: [22, 15, 7] from Operation: 80-73=7 Current State: 83:[22, 15, 7], Operations: ['80-73=7'] Exploring Operation: 15*7=105, Resulting Numbers: [22, 105] Generated Node #3: [22, 105] from Operation: 15*7=105 Current State: 83:[22, 105], Operations: ['80-73=7', '15*7=105'] Exploring Operation: 105-22=83, Resulting Numbers: [83] 83,83 equal: Goal Reached
4
Current State: 83:[22, 73, 15, 80], Operations: [] Exploring Operation: 22+15=37, Resulting Numbers: [73, 80, 37] Generated Node #0,0: 83:[73, 80, 37] Operation: 22+15=37 Start Sub Search at level 1: Moving to Node #0,0 Current State: 83:[73, 80, 37], Operations: ['22+15=37'] Exploring Operation: 73+37=110, Resulting Numbers: [80, 110] Generated Node #0,0,0: 83:[80, 110] Operation: 73+37=110 Moving to Node #0,0,0 Current State: 83:[80, 110], Operations: ['22+15=37', '73+37=110'] Exploring Operation: 110-80=30, Resulting Numbers: [30] 30,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 3, 51, 74, 21 ]
16
[ "21/3=7", "74-51=23", "23-7=16" ]
Current State: 16:[3, 51, 74, 21], Operations: [] Exploring Operation: 21/3=7, Resulting Numbers: [51, 74, 7] Generated Node #2: [51, 74, 7] from Operation: 21/3=7 Current State: 16:[51, 74, 7], Operations: ['21/3=7'] Exploring Operation: 74-51=23, Resulting Numbers: [7, 23] Generated Node #3: [7, 23] from Operation: 74-51=23 Current State: 16:[7, 23], Operations: ['21/3=7', '74-51=23'] Exploring Operation: 23-7=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[3, 51, 74, 21], Operations: [] Exploring Operation: 51/3=17, Resulting Numbers: [74, 21, 17] Generated Node #0,0: 16:[74, 21, 17] Operation: 51/3=17 Exploring Operation: 74-51=23, Resulting Numbers: [3, 21, 23] Generated Node #0,1: 16:[3, 21, 23] Operation: 74-51=23 Exploring Operation: 51-21=30, Resulting Numbers: [3, 74, 30] Generated Node #0,2: 16:[3, 74, 30] Operation: 51-21=30 Moving to Node #0,1 Current State: 16:[3, 21, 23], Operations: ['74-51=23'] Exploring Operation: 23-21=2, Resulting Numbers: [3, 2] Generated Node #0,1,0: 16:[3, 2] Operation: 23-21=2 Exploring Operation: 21/3=7, Resulting Numbers: [23, 7] Generated Node #0,1,1: 16:[23, 7] Operation: 21/3=7 Exploring Operation: 21-3=18, Resulting Numbers: [23, 18] Generated Node #0,1,2: 16:[23, 18] Operation: 21-3=18 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 16:[3, 2], Operations: ['74-51=23', '23-21=2'] Exploring Operation: 3*2=6, Resulting Numbers: [6] 6,16 unequal: No Solution Exploring Operation: 3-2=1, Resulting Numbers: [1] 1,16 unequal: No Solution Exploring Operation: 3+2=5, Resulting Numbers: [5] 5,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 16:[23, 7], Operations: ['74-51=23', '21/3=7'] Exploring Operation: 23-7=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Moving to Node #0 Current State: 16:[3, 51, 74, 21], Operations: [] Exploring Operation: 74-51=23, Resulting Numbers: [3, 21, 23] Generated Node #0,1: 16:[3, 21, 23] Operation: 74-51=23 Moving to Node #0,1 Current State: 16:[3, 21, 23], Operations: ['74-51=23'] Exploring Operation: 21/3=7, Resulting Numbers: [23, 7] Generated Node #0,1,1: 16:[23, 7] Operation: 21/3=7 Moving to Node #0,1,1 Current State: 16:[23, 7], Operations: ['74-51=23', '21/3=7'] Exploring Operation: 23-7=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_3
sum_heuristic
[ 2, 42, 38, 34 ]
22
[ "42-34=8", "2*8=16", "38-16=22" ]
Current State: 22:[2, 42, 38, 34], Operations: [] Exploring Operation: 42-34=8, Resulting Numbers: [2, 38, 8] Generated Node #2: [2, 38, 8] from Operation: 42-34=8 Current State: 22:[2, 38, 8], Operations: ['42-34=8'] Exploring Operation: 2*8=16, Resulting Numbers: [38, 16] Generated Node #3: [38, 16] from Operation: 2*8=16 Current State: 22:[38, 16], Operations: ['42-34=8', '2*8=16'] Exploring Operation: 38-16=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
4
Current State: 22:[2, 42, 38, 34], Operations: [] Exploring Operation: 42-38=4, Resulting Numbers: [2, 34, 4] Generated Node #0,0: 22:[2, 34, 4] Operation: 42-38=4 Exploring Operation: 38-34=4, Resulting Numbers: [2, 42, 4] Generated Node #0,1: 22:[2, 42, 4] Operation: 38-34=4 Exploring Operation: 42/2=21, Resulting Numbers: [38, 34, 21] Generated Node #0,2: 22:[38, 34, 21] Operation: 42/2=21 Exploring Operation: 42-34=8, Resulting Numbers: [2, 38, 8] Generated Node #0,3: 22:[2, 38, 8] Operation: 42-34=8 Moving to Node #0,0 Current State: 22:[2, 34, 4], Operations: ['42-38=4'] Exploring Operation: 34-4=30, Resulting Numbers: [2, 30] Generated Node #0,0,0: 22:[2, 30] Operation: 34-4=30 Exploring Operation: 34/2=17, Resulting Numbers: [4, 17] Generated Node #0,0,1: 22:[4, 17] Operation: 34/2=17 Exploring Operation: 4-2=2, Resulting Numbers: [34, 2] Generated Node #0,0,2: 22:[34, 2] Operation: 4-2=2 Exploring Operation: 34-2=32, Resulting Numbers: [4, 32] Generated Node #0,0,3: 22:[4, 32] Operation: 34-2=32 Moving to Node #0,3 Current State: 22:[2, 38, 8], Operations: ['42-34=8'] Exploring Operation: 38/2=19, Resulting Numbers: [8, 19] Generated Node #0,3,0: 22:[8, 19] Operation: 38/2=19 Exploring Operation: 38-8=30, Resulting Numbers: [2, 30] Generated Node #0,3,1: 22:[2, 30] Operation: 38-8=30 Exploring Operation: 38-2=36, Resulting Numbers: [8, 36] Generated Node #0,3,2: 22:[8, 36] Operation: 38-2=36 Exploring Operation: 2+8=10, Resulting Numbers: [38, 10] Generated Node #0,3,3: 22:[38, 10] Operation: 2+8=10 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 22:[8, 19], Operations: ['42-34=8', '38/2=19'] Exploring Operation: 8+19=27, Resulting Numbers: [27] 27,22 unequal: No Solution Exploring Operation: 19-8=11, Resulting Numbers: [11] 11,22 unequal: No Solution Exploring Operation: 8*19=152, Resulting Numbers: [152] 152,22 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 22:[2, 30], Operations: ['42-34=8', '38-8=30'] Exploring Operation: 30/2=15, Resulting Numbers: [15] 15,22 unequal: No Solution Exploring Operation: 2*30=60, Resulting Numbers: [60] 60,22 unequal: No Solution Exploring Operation: 2+30=32, Resulting Numbers: [32] 32,22 unequal: No Solution Exploring Operation: 30-2=28, Resulting Numbers: [28] 28,22 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 22:[8, 36], Operations: ['42-34=8', '38-2=36'] Exploring Operation: 8+36=44, Resulting Numbers: [44] 44,22 unequal: No Solution Exploring Operation: 36-8=28, Resulting Numbers: [28] 28,22 unequal: No Solution Exploring Operation: 8*36=288, Resulting Numbers: [288] 288,22 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 22:[38, 10], Operations: ['42-34=8', '2+8=10'] Exploring Operation: 38+10=48, Resulting Numbers: [48] 48,22 unequal: No Solution Exploring Operation: 38-10=28, Resulting Numbers: [28] 28,22 unequal: No Solution Exploring Operation: 38*10=380, Resulting Numbers: [380] 380,22 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: 22:[2, 42, 4], Operations: ['38-34=4'] Exploring Operation: 42/2=21, Resulting Numbers: [4, 21] Generated Node #0,1,0: 22:[4, 21] Operation: 42/2=21 Exploring Operation: 42-4=38, Resulting Numbers: [2, 38] Generated Node #0,1,1: 22:[2, 38] Operation: 42-4=38 Exploring Operation: 42-2=40, Resulting Numbers: [4, 40] Generated Node #0,1,2: 22:[4, 40] Operation: 42-2=40 Exploring Operation: 4-2=2, Resulting Numbers: [42, 2] Generated Node #0,1,3: 22:[42, 2] Operation: 4-2=2 Moving to Node #0,2 Current State: 22:[38, 34, 21], Operations: ['42/2=21'] Exploring Operation: 38-21=17, Resulting Numbers: [34, 17] Generated Node #0,2,0: 22:[34, 17] Operation: 38-21=17 Exploring Operation: 38+21=59, Resulting Numbers: [34, 59] Generated Node #0,2,1: 22:[34, 59] Operation: 38+21=59 Exploring Operation: 34-21=13, Resulting Numbers: [38, 13] Generated Node #0,2,2: 22:[38, 13] Operation: 34-21=13 Exploring Operation: 38-34=4, Resulting Numbers: [21, 4] Generated Node #0,2,3: 22:[21, 4] Operation: 38-34=4 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 22:[21, 4], Operations: ['42/2=21', '38-34=4'] Exploring Operation: 21-4=17, Resulting Numbers: [17] 17,22 unequal: No Solution Exploring Operation: 21*4=84, Resulting Numbers: [84] 84,22 unequal: No Solution Exploring Operation: 21+4=25, Resulting Numbers: [25] 25,22 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 22:[34, 17], Operations: ['42/2=21', '38-21=17'] Exploring Operation: 34/17=2, Resulting Numbers: [2] 2,22 unequal: No Solution Exploring Operation: 34-17=17, Resulting Numbers: [17] 17,22 unequal: No Solution Exploring Operation: 34*17=578, Resulting Numbers: [578] 578,22 unequal: No Solution Exploring Operation: 34+17=51, Resulting Numbers: [51] 51,22 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 22:[38, 13], Operations: ['42/2=21', '34-21=13'] Exploring Operation: 38+13=51, Resulting Numbers: [51] 51,22 unequal: No Solution Exploring Operation: 38-13=25, Resulting Numbers: [25] 25,22 unequal: No Solution Exploring Operation: 38*13=494, Resulting Numbers: [494] 494,22 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 22:[34, 59], Operations: ['42/2=21', '38+21=59'] Exploring Operation: 34+59=93, Resulting Numbers: [93] 93,22 unequal: No Solution Exploring Operation: 59-34=25, Resulting Numbers: [25] 25,22 unequal: No Solution Exploring Operation: 34*59=2006, Resulting Numbers: [2006] 2006,22 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1,0 Current State: 22:[4, 21], Operations: ['38-34=4', '42/2=21'] Exploring Operation: 4*21=84, Resulting Numbers: [84] 84,22 unequal: No Solution Exploring Operation: 4+21=25, Resulting Numbers: [25] 25,22 unequal: No Solution Exploring Operation: 21-4=17, Resulting Numbers: [17] 17,22 unequal: No Solution Moving to Node #0,0,1 Current State: 22:[4, 17], Operations: ['42-38=4', '34/2=17'] Exploring Operation: 17-4=13, Resulting Numbers: [13] 13,22 unequal: No Solution Exploring Operation: 4*17=68, Resulting Numbers: [68] 68,22 unequal: No Solution Exploring Operation: 4+17=21, Resulting Numbers: [21] 21,22 unequal: No Solution Moving to Node #0,0,0 Current State: 22:[2, 30], Operations: ['42-38=4', '34-4=30'] Exploring Operation: 2*30=60, Resulting Numbers: [60] 60,22 unequal: No Solution Exploring Operation: 30/2=15, Resulting Numbers: [15] 15,22 unequal: No Solution Exploring Operation: 2+30=32, Resulting Numbers: [32] 32,22 unequal: No Solution Exploring Operation: 30-2=28, Resulting Numbers: [28] 28,22 unequal: No Solution Moving to Node #0,0,2 Current State: 22:[34, 2], Operations: ['42-38=4', '4-2=2'] Exploring Operation: 34+2=36, Resulting Numbers: [36] 36,22 unequal: No Solution Exploring Operation: 34-2=32, Resulting Numbers: [32] 32,22 unequal: No Solution Exploring Operation: 34/2=17, Resulting Numbers: [17] 17,22 unequal: No Solution Exploring Operation: 34*2=68, Resulting Numbers: [68] 68,22 unequal: No Solution Moving to Node #0,0,3 Current State: 22:[4, 32], Operations: ['42-38=4', '34-2=32'] Exploring Operation: 32/4=8, Resulting Numbers: [8] 8,22 unequal: No Solution Exploring Operation: 4*32=128, Resulting Numbers: [128] 128,22 unequal: No Solution Exploring Operation: 4+32=36, Resulting Numbers: [36] 36,22 unequal: No Solution Exploring Operation: 32-4=28, Resulting Numbers: [28] 28,22 unequal: No Solution Moving to Node #0,1,1 Current State: 22:[2, 38], Operations: ['38-34=4', '42-4=38'] Exploring Operation: 38/2=19, Resulting Numbers: [19] 19,22 unequal: No Solution Exploring Operation: 2+38=40, Resulting Numbers: [40] 40,22 unequal: No Solution Exploring Operation: 38-2=36, Resulting Numbers: [36] 36,22 unequal: No Solution Exploring Operation: 2*38=76, Resulting Numbers: [76] 76,22 unequal: No Solution Moving to Node #0,1,2 Current State: 22:[4, 40], Operations: ['38-34=4', '42-2=40'] Exploring Operation: 4*40=160, Resulting Numbers: [160] 160,22 unequal: No Solution Exploring Operation: 40/4=10, Resulting Numbers: [10] 10,22 unequal: No Solution Exploring Operation: 40-4=36, Resulting Numbers: [36] 36,22 unequal: No Solution Exploring Operation: 4+40=44, Resulting Numbers: [44] 44,22 unequal: No Solution Moving to Node #0,1,3 Current State: 22:[42, 2], Operations: ['38-34=4', '4-2=2'] Exploring Operation: 42+2=44, Resulting Numbers: [44] 44,22 unequal: No Solution Exploring Operation: 42*2=84, Resulting Numbers: [84] 84,22 unequal: No Solution Exploring Operation: 42-2=40, Resulting Numbers: [40] 40,22 unequal: No Solution Exploring Operation: 42/2=21, Resulting Numbers: [21] 21,22 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 97, 22, 40, 62 ]
27
[ "97-22=75", "40+62=102", "102-75=27" ]
Current State: 27:[97, 22, 40, 62], Operations: [] Exploring Operation: 97-22=75, Resulting Numbers: [40, 62, 75] Generated Node #2: [40, 62, 75] from Operation: 97-22=75 Current State: 27:[40, 62, 75], Operations: ['97-22=75'] Exploring Operation: 40+62=102, Resulting Numbers: [75, 102] Generated Node #3: [75, 102] from Operation: 40+62=102 Current State: 27:[75, 102], Operations: ['97-22=75', '40+62=102'] Exploring Operation: 102-75=27, Resulting Numbers: [27] 27,27 equal: Goal Reached
4
Current State: 27:[97, 22, 40, 62], Operations: [] Exploring Operation: 62-40=22, Resulting Numbers: [97, 22, 22] Generated Node #0,0: 27:[97, 22, 22] Operation: 62-40=22 Exploring Operation: 97-40=57, Resulting Numbers: [22, 62, 57] Generated Node #0,1: 27:[22, 62, 57] Operation: 97-40=57 Exploring Operation: 97-62=35, Resulting Numbers: [22, 40, 35] Generated Node #0,2: 27:[22, 40, 35] Operation: 97-62=35 Start Sub Search at level 1: Moving to Node #0,2 Current State: 27:[22, 40, 35], Operations: ['97-62=35'] Exploring Operation: 40-35=5, Resulting Numbers: [22, 5] Generated Node #0,2,0: 27:[22, 5] Operation: 40-35=5 Exploring Operation: 40-22=18, Resulting Numbers: [35, 18] Generated Node #0,2,1: 27:[35, 18] Operation: 40-22=18 Exploring Operation: 35-22=13, Resulting Numbers: [40, 13] Generated Node #0,2,2: 27:[40, 13] Operation: 35-22=13 Moving to Node #0,2,0 Current State: 27:[22, 5], Operations: ['97-62=35', '40-35=5'] Exploring Operation: 22+5=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Moving to Node #0 Current State: 27:[97, 22, 40, 62], Operations: [] Exploring Operation: 97-62=35, Resulting Numbers: [22, 40, 35] Generated Node #0,2: 27:[22, 40, 35] Operation: 97-62=35 Moving to Node #0,2 Current State: 27:[22, 40, 35], Operations: ['97-62=35'] Exploring Operation: 40-35=5, Resulting Numbers: [22, 5] Generated Node #0,2,0: 27:[22, 5] Operation: 40-35=5 Moving to Node #0,2,0 Current State: 27:[22, 5], Operations: ['97-62=35', '40-35=5'] Exploring Operation: 22+5=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_3
sum_heuristic
[ 72, 6, 47, 45 ]
69
[ "47-45=2", "6/2=3", "72-3=69" ]
Current State: 69:[72, 6, 47, 45], Operations: [] Exploring Operation: 47-45=2, Resulting Numbers: [72, 6, 2] Generated Node #2: [72, 6, 2] from Operation: 47-45=2 Current State: 69:[72, 6, 2], Operations: ['47-45=2'] Exploring Operation: 6/2=3, Resulting Numbers: [72, 3] Generated Node #3: [72, 3] from Operation: 6/2=3 Current State: 69:[72, 3], Operations: ['47-45=2', '6/2=3'] Exploring Operation: 72-3=69, Resulting Numbers: [69] 69,69 equal: Goal Reached
4
Current State: 69:[72, 6, 47, 45], Operations: [] Exploring Operation: 47-45=2, Resulting Numbers: [72, 6, 2] Generated Node #0,0: 69:[72, 6, 2] Operation: 47-45=2 Exploring Operation: 47+45=92, Resulting Numbers: [72, 6, 92] Generated Node #0,1: 69:[72, 6, 92] Operation: 47+45=92 Exploring Operation: 72-45=27, Resulting Numbers: [6, 47, 27] Generated Node #0,2: 69:[6, 47, 27] Operation: 72-45=27 Exploring Operation: 72-47=25, Resulting Numbers: [6, 45, 25] Generated Node #0,3: 69:[6, 45, 25] Operation: 72-47=25 Exploring Operation: 6+47=53, Resulting Numbers: [72, 45, 53] Generated Node #0,4: 69:[72, 45, 53] Operation: 6+47=53 Start Sub Search at level 1: Moving to Node #0,0 Current State: 69:[72, 6, 2], Operations: ['47-45=2'] Exploring Operation: 72+2=74, Resulting Numbers: [6, 74] Generated Node #0,0,0: 69:[6, 74] Operation: 72+2=74 Exploring Operation: 72-2=70, Resulting Numbers: [6, 70] Generated Node #0,0,1: 69:[6, 70] Operation: 72-2=70 Exploring Operation: 6/2=3, Resulting Numbers: [72, 3] Generated Node #0,0,2: 69:[72, 3] Operation: 6/2=3 Exploring Operation: 6-2=4, Resulting Numbers: [72, 4] Generated Node #0,0,3: 69:[72, 4] Operation: 6-2=4 Exploring Operation: 72-6=66, Resulting Numbers: [2, 66] Generated Node #0,0,4: 69:[2, 66] Operation: 72-6=66 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 69:[72, 3], Operations: ['47-45=2', '6/2=3'] Exploring Operation: 72-3=69, Resulting Numbers: [69] 69,69 equal: Goal Reached Moving to Node #0 Current State: 69:[72, 6, 47, 45], Operations: [] Exploring Operation: 47-45=2, Resulting Numbers: [72, 6, 2] Generated Node #0,0: 69:[72, 6, 2] Operation: 47-45=2 Moving to Node #0,0 Current State: 69:[72, 6, 2], Operations: ['47-45=2'] Exploring Operation: 6/2=3, Resulting Numbers: [72, 3] Generated Node #0,0,2: 69:[72, 3] Operation: 6/2=3 Moving to Node #0,0,2 Current State: 69:[72, 3], Operations: ['47-45=2', '6/2=3'] Exploring Operation: 72-3=69, Resulting Numbers: [69] 69,69 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986979
hs_5
mult_heuristic
[ 24, 30, 3, 45 ]
37
[ "45-24=21", "21/3=7", "30+7=37" ]
Current State: 37:[24, 30, 3, 45], Operations: [] Exploring Operation: 45-24=21, Resulting Numbers: [30, 3, 21] Generated Node #2: [30, 3, 21] from Operation: 45-24=21 Current State: 37:[30, 3, 21], Operations: ['45-24=21'] Exploring Operation: 21/3=7, Resulting Numbers: [30, 7] Generated Node #3: [30, 7] from Operation: 21/3=7 Current State: 37:[30, 7], Operations: ['45-24=21', '21/3=7'] Exploring Operation: 30+7=37, Resulting Numbers: [37] 37,37 equal: Goal Reached
4
Current State: 37:[24, 30, 3, 45], Operations: [] Exploring Operation: 30+3=33, Resulting Numbers: [24, 45, 33] Generated Node #0,0: 37:[24, 45, 33] Operation: 30+3=33 Exploring Operation: 24+3=27, Resulting Numbers: [30, 45, 27] Generated Node #0,1: 37:[30, 45, 27] Operation: 24+3=27 Exploring Operation: 45-3=42, Resulting Numbers: [24, 30, 42] Generated Node #0,2: 37:[24, 30, 42] Operation: 45-3=42 Start Sub Search at level 1: Moving to Node #0,0 Current State: 37:[24, 45, 33], Operations: ['30+3=33'] Exploring Operation: 24+45=69, Resulting Numbers: [33, 69] Generated Node #0,0,0: 37:[33, 69] Operation: 24+45=69 Exploring Operation: 24+33=57, Resulting Numbers: [45, 57] Generated Node #0,0,1: 37:[45, 57] Operation: 24+33=57 Exploring Operation: 45-24=21, Resulting Numbers: [33, 21] Generated Node #0,0,2: 37:[33, 21] Operation: 45-24=21 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 37:[33, 21], Operations: ['30+3=33', '45-24=21'] Exploring Operation: 33+21=54, Resulting Numbers: [54] 54,37 unequal: No Solution Exploring Operation: 33-21=12, Resulting Numbers: [12] 12,37 unequal: No Solution Exploring Operation: 33*21=693, Resulting Numbers: [693] 693,37 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:[45, 57], Operations: ['30+3=33', '24+33=57'] Exploring Operation: 45+57=102, Resulting Numbers: [102] 102,37 unequal: No Solution Exploring Operation: 45*57=2565, Resulting Numbers: [2565] 2565,37 unequal: No Solution Exploring Operation: 57-45=12, Resulting Numbers: [12] 12,37 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:[33, 69], Operations: ['30+3=33', '24+45=69'] Exploring Operation: 69-33=36, Resulting Numbers: [36] 36,37 unequal: No Solution Exploring Operation: 33+69=102, Resulting Numbers: [102] 102,37 unequal: No Solution Exploring Operation: 33*69=2277, Resulting Numbers: [2277] 2277,37 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:[30, 45, 27], Operations: ['24+3=27'] Exploring Operation: 45-30=15, Resulting Numbers: [27, 15] Generated Node #0,1,0: 37:[27, 15] Operation: 45-30=15 Exploring Operation: 30+27=57, Resulting Numbers: [45, 57] Generated Node #0,1,1: 37:[45, 57] Operation: 30+27=57 Exploring Operation: 45-27=18, Resulting Numbers: [30, 18] Generated Node #0,1,2: 37:[30, 18] Operation: 45-27=18 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 37:[30, 18], Operations: ['24+3=27', '45-27=18'] Exploring Operation: 30-18=12, Resulting Numbers: [12] 12,37 unequal: No Solution Exploring Operation: 30+18=48, Resulting Numbers: [48] 48,37 unequal: No Solution Exploring Operation: 30*18=540, Resulting Numbers: [540] 540,37 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:[45, 57], Operations: ['24+3=27', '30+27=57'] Exploring Operation: 57-45=12, Resulting Numbers: [12] 12,37 unequal: No Solution Exploring Operation: 45+57=102, Resulting Numbers: [102] 102,37 unequal: No Solution Exploring Operation: 45*57=2565, Resulting Numbers: [2565] 2565,37 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 37:[27, 15], Operations: ['24+3=27', '45-30=15'] Exploring Operation: 27-15=12, Resulting Numbers: [12] 12,37 unequal: No Solution Exploring Operation: 27+15=42, Resulting Numbers: [42] 42,37 unequal: No Solution Exploring Operation: 27*15=405, Resulting Numbers: [405] 405,37 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:[24, 30, 42], Operations: ['45-3=42'] Exploring Operation: 24+30=54, Resulting Numbers: [42, 54] Generated Node #0,2,0: 37:[42, 54] Operation: 24+30=54 Exploring Operation: 30-24=6, Resulting Numbers: [42, 6] Generated Node #0,2,1: 37:[42, 6] Operation: 30-24=6 Exploring Operation: 42-24=18, Resulting Numbers: [30, 18] Generated Node #0,2,2: 37:[30, 18] Operation: 42-24=18 Moving to Node #0,2,0 Current State: 37:[42, 54], Operations: ['45-3=42', '24+30=54'] Exploring Operation: 42*54=2268, Resulting Numbers: [2268] 2268,37 unequal: No Solution Exploring Operation: 54-42=12, Resulting Numbers: [12] 12,37 unequal: No Solution Exploring Operation: 42+54=96, Resulting Numbers: [96] 96,37 unequal: No Solution Moving to Node #0,2,2 Current State: 37:[30, 18], Operations: ['45-3=42', '42-24=18'] Exploring Operation: 30-18=12, Resulting Numbers: [12] 12,37 unequal: No Solution Exploring Operation: 30*18=540, Resulting Numbers: [540] 540,37 unequal: No Solution Exploring Operation: 30+18=48, Resulting Numbers: [48] 48,37 unequal: No Solution Moving to Node #0,2,1 Current State: 37:[42, 6], Operations: ['45-3=42', '30-24=6'] Exploring Operation: 42+6=48, Resulting Numbers: [48] 48,37 unequal: No Solution Exploring Operation: 42/6=7, Resulting Numbers: [7] 7,37 unequal: No Solution Exploring Operation: 42-6=36, Resulting Numbers: [36] 36,37 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
[ 87, 10, 32, 22 ]
67
[ "87-10=77", "32-22=10", "77-10=67" ]
Current State: 67:[87, 10, 32, 22], Operations: [] Exploring Operation: 87-10=77, Resulting Numbers: [32, 22, 77] Generated Node #2: [32, 22, 77] from Operation: 87-10=77 Current State: 67:[32, 22, 77], Operations: ['87-10=77'] Exploring Operation: 32-22=10, Resulting Numbers: [77, 10] Generated Node #3: [77, 10] from Operation: 32-22=10 Current State: 67:[77, 10], Operations: ['87-10=77', '32-22=10'] Exploring Operation: 77-10=67, Resulting Numbers: [67] 67,67 equal: Goal Reached
4
Current State: 67:[87, 10, 32, 22], Operations: [] Exploring Operation: 87-10=77, Resulting Numbers: [32, 22, 77] Generated Node #0,0: 67:[32, 22, 77] Operation: 87-10=77 Exploring Operation: 32+22=54, Resulting Numbers: [87, 10, 54] Generated Node #0,1: 67:[87, 10, 54] Operation: 32+22=54 Exploring Operation: 10+32=42, Resulting Numbers: [87, 22, 42] Generated Node #0,2: 67:[87, 22, 42] Operation: 10+32=42 Exploring Operation: 10+22=32, Resulting Numbers: [87, 32, 32] Generated Node #0,3: 67:[87, 32, 32] Operation: 10+22=32 Start Sub Search at level 1: Moving to Node #0,0 Current State: 67:[32, 22, 77], Operations: ['87-10=77'] Exploring Operation: 32+22=54, Resulting Numbers: [77, 54] Generated Node #0,0,0: 67:[77, 54] Operation: 32+22=54 Exploring Operation: 32-22=10, Resulting Numbers: [77, 10] Generated Node #0,0,1: 67:[77, 10] Operation: 32-22=10 Exploring Operation: 77-22=55, Resulting Numbers: [32, 55] Generated Node #0,0,2: 67:[32, 55] Operation: 77-22=55 Exploring Operation: 77-32=45, Resulting Numbers: [22, 45] Generated Node #0,0,3: 67:[22, 45] Operation: 77-32=45 Moving to Node #0,0,0 Current State: 67:[77, 54], Operations: ['87-10=77', '32+22=54'] Exploring Operation: 77-54=23, Resulting Numbers: [23] 23,67 unequal: No Solution Exploring Operation: 77*54=4158, Resulting Numbers: [4158] 4158,67 unequal: No Solution Exploring Operation: 77+54=131, Resulting Numbers: [131] 131,67 unequal: No Solution Moving to Node #0,0,2 Current State: 67:[32, 55], Operations: ['87-10=77', '77-22=55'] Exploring Operation: 32*55=1760, Resulting Numbers: [1760] 1760,67 unequal: No Solution Exploring Operation: 55-32=23, Resulting Numbers: [23] 23,67 unequal: No Solution Exploring Operation: 32+55=87, Resulting Numbers: [87] 87,67 unequal: No Solution Moving to Node #0,0,3 Current State: 67:[22, 45], Operations: ['87-10=77', '77-32=45'] Exploring Operation: 45-22=23, Resulting Numbers: [23] 23,67 unequal: No Solution Exploring Operation: 22*45=990, Resulting Numbers: [990] 990,67 unequal: No Solution Exploring Operation: 22+45=67, Resulting Numbers: [67] 67,67 equal: Goal Reached Moving to Node #0 Current State: 67:[87, 10, 32, 22], Operations: [] Exploring Operation: 87-10=77, Resulting Numbers: [32, 22, 77] Generated Node #0,0: 67:[32, 22, 77] Operation: 87-10=77 Moving to Node #0,0 Current State: 67:[32, 22, 77], Operations: ['87-10=77'] Exploring Operation: 77-32=45, Resulting Numbers: [22, 45] Generated Node #0,0,3: 67:[22, 45] Operation: 77-32=45 Moving to Node #0,0,3 Current State: 67:[22, 45], Operations: ['87-10=77', '77-32=45'] Exploring Operation: 22+45=67, Resulting Numbers: [67] 67,67 equal: Goal Reached Exit Sub Search at level 1
0.981771
hs_4
sum_heuristic
[ 8, 58, 10, 15 ]
12
[ "15-8=7", "10*7=70", "70-58=12" ]
Current State: 12:[8, 58, 10, 15], Operations: [] Exploring Operation: 15-8=7, Resulting Numbers: [58, 10, 7] Generated Node #2: [58, 10, 7] from Operation: 15-8=7 Current State: 12:[58, 10, 7], Operations: ['15-8=7'] Exploring Operation: 10*7=70, Resulting Numbers: [58, 70] Generated Node #3: [58, 70] from Operation: 10*7=70 Current State: 12:[58, 70], Operations: ['15-8=7', '10*7=70'] Exploring Operation: 70-58=12, Resulting Numbers: [12] 12,12 equal: Goal Reached
4
Current State: 12:[8, 58, 10, 15], Operations: [] Exploring Operation: 58-8=50, Resulting Numbers: [10, 15, 50] Generated Node #0,0: 12:[10, 15, 50] Operation: 58-8=50 Exploring Operation: 58-15=43, Resulting Numbers: [8, 10, 43] Generated Node #0,1: 12:[8, 10, 43] Operation: 58-15=43 Exploring Operation: 58-10=48, Resulting Numbers: [8, 15, 48] Generated Node #0,2: 12:[8, 15, 48] Operation: 58-10=48 Moving to Node #0,1 Current State: 12:[8, 10, 43], Operations: ['58-15=43'] Exploring Operation: 43-10=33, Resulting Numbers: [8, 33] Generated Node #0,1,0: 12:[8, 33] Operation: 43-10=33 Exploring Operation: 43-8=35, Resulting Numbers: [10, 35] Generated Node #0,1,1: 12:[10, 35] Operation: 43-8=35 Exploring Operation: 10-8=2, Resulting Numbers: [43, 2] Generated Node #0,1,2: 12:[43, 2] Operation: 10-8=2 Moving to Node #0,2 Current State: 12:[8, 15, 48], Operations: ['58-10=48'] Exploring Operation: 48-15=33, Resulting Numbers: [8, 33] Generated Node #0,2,0: 12:[8, 33] Operation: 48-15=33 Exploring Operation: 48-8=40, Resulting Numbers: [15, 40] Generated Node #0,2,1: 12:[15, 40] Operation: 48-8=40 Exploring Operation: 48/8=6, Resulting Numbers: [15, 6] Generated Node #0,2,2: 12:[15, 6] Operation: 48/8=6 Moving to Node #0,0 Current State: 12:[10, 15, 50], Operations: ['58-8=50'] Exploring Operation: 50-10=40, Resulting Numbers: [15, 40] Generated Node #0,0,0: 12:[15, 40] Operation: 50-10=40 Exploring Operation: 50/10=5, Resulting Numbers: [15, 5] Generated Node #0,0,1: 12:[15, 5] Operation: 50/10=5 Exploring Operation: 50-15=35, Resulting Numbers: [10, 35] Generated Node #0,0,2: 12:[10, 35] Operation: 50-15=35 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 12:[15, 5], Operations: ['58-8=50', '50/10=5'] Exploring Operation: 15+5=20, Resulting Numbers: [20] 20,12 unequal: No Solution Exploring Operation: 15/5=3, Resulting Numbers: [3] 3,12 unequal: No Solution Exploring Operation: 15-5=10, Resulting Numbers: [10] 10,12 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 12:[10, 35], Operations: ['58-8=50', '50-15=35'] Exploring Operation: 10+35=45, Resulting Numbers: [45] 45,12 unequal: No Solution Exploring Operation: 10*35=350, Resulting Numbers: [350] 350,12 unequal: No Solution Exploring Operation: 35-10=25, Resulting Numbers: [25] 25,12 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 12:[15, 40], Operations: ['58-8=50', '50-10=40'] Exploring Operation: 40-15=25, Resulting Numbers: [25] 25,12 unequal: No Solution Exploring Operation: 15+40=55, Resulting Numbers: [55] 55,12 unequal: No Solution Exploring Operation: 15*40=600, Resulting Numbers: [600] 600,12 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: 12:[15, 6], Operations: ['58-10=48', '48/8=6'] Exploring Operation: 15+6=21, Resulting Numbers: [21] 21,12 unequal: No Solution Exploring Operation: 15-6=9, Resulting Numbers: [9] 9,12 unequal: No Solution Exploring Operation: 15*6=90, Resulting Numbers: [90] 90,12 unequal: No Solution Moving to Node #0,1,0 Current State: 12:[8, 33], Operations: ['58-15=43', '43-10=33'] Exploring Operation: 8+33=41, Resulting Numbers: [41] 41,12 unequal: No Solution Exploring Operation: 33-8=25, Resulting Numbers: [25] 25,12 unequal: No Solution Exploring Operation: 8*33=264, Resulting Numbers: [264] 264,12 unequal: No Solution Moving to Node #0,2,0 Current State: 12:[8, 33], Operations: ['58-10=48', '48-15=33'] Exploring Operation: 8+33=41, Resulting Numbers: [41] 41,12 unequal: No Solution Exploring Operation: 33-8=25, Resulting Numbers: [25] 25,12 unequal: No Solution Exploring Operation: 8*33=264, Resulting Numbers: [264] 264,12 unequal: No Solution Moving to Node #0,1,1 Current State: 12:[10, 35], Operations: ['58-15=43', '43-8=35'] Exploring Operation: 10+35=45, Resulting Numbers: [45] 45,12 unequal: No Solution Exploring Operation: 10*35=350, Resulting Numbers: [350] 350,12 unequal: No Solution Exploring Operation: 35-10=25, Resulting Numbers: [25] 25,12 unequal: No Solution Moving to Node #0,2,1 Current State: 12:[15, 40], Operations: ['58-10=48', '48-8=40'] Exploring Operation: 15+40=55, Resulting Numbers: [55] 55,12 unequal: No Solution Exploring Operation: 40-15=25, Resulting Numbers: [25] 25,12 unequal: No Solution Exploring Operation: 15*40=600, Resulting Numbers: [600] 600,12 unequal: No Solution Moving to Node #0,1,2 Current State: 12:[43, 2], Operations: ['58-15=43', '10-8=2'] Exploring Operation: 43+2=45, Resulting Numbers: [45] 45,12 unequal: No Solution Exploring Operation: 43-2=41, Resulting Numbers: [41] 41,12 unequal: No Solution Exploring Operation: 43*2=86, Resulting Numbers: [86] 86,12 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 12, 65, 13, 42 ]
25
[ "42-12=30", "65/13=5", "30-5=25" ]
Current State: 25:[12, 65, 13, 42], Operations: [] Exploring Operation: 42-12=30, Resulting Numbers: [65, 13, 30] Generated Node #2: [65, 13, 30] from Operation: 42-12=30 Current State: 25:[65, 13, 30], Operations: ['42-12=30'] Exploring Operation: 65/13=5, Resulting Numbers: [30, 5] Generated Node #3: [30, 5] from Operation: 65/13=5 Current State: 25:[30, 5], Operations: ['42-12=30', '65/13=5'] Exploring Operation: 30-5=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[12, 65, 13, 42], Operations: [] Exploring Operation: 65-42=23, Resulting Numbers: [12, 13, 23] Generated Node #0,0: 25:[12, 13, 23] Operation: 65-42=23 Exploring Operation: 65-13=52, Resulting Numbers: [12, 42, 52] Generated Node #0,1: 25:[12, 42, 52] Operation: 65-13=52 Exploring Operation: 42-13=29, Resulting Numbers: [12, 65, 29] Generated Node #0,2: 25:[12, 65, 29] Operation: 42-13=29 Exploring Operation: 65/13=5, Resulting Numbers: [12, 42, 5] Generated Node #0,3: 25:[12, 42, 5] Operation: 65/13=5 Moving to Node #0,0 Current State: 25:[12, 13, 23], Operations: ['65-42=23'] Exploring Operation: 23-12=11, Resulting Numbers: [13, 11] Generated Node #0,0,0: 25:[13, 11] Operation: 23-12=11 Exploring Operation: 12+13=25, Resulting Numbers: [23, 25] Generated Node #0,0,1: 25:[23, 25] Operation: 12+13=25 Exploring Operation: 23-13=10, Resulting Numbers: [12, 10] Generated Node #0,0,2: 25:[12, 10] Operation: 23-13=10 Exploring Operation: 13-12=1, Resulting Numbers: [23, 1] Generated Node #0,0,3: 25:[23, 1] Operation: 13-12=1 Moving to Node #0,3 Current State: 25:[12, 42, 5], Operations: ['65/13=5'] Exploring Operation: 42-5=37, Resulting Numbers: [12, 37] Generated Node #0,3,0: 25:[12, 37] Operation: 42-5=37 Exploring Operation: 42-12=30, Resulting Numbers: [5, 30] Generated Node #0,3,1: 25:[5, 30] Operation: 42-12=30 Exploring Operation: 12-5=7, Resulting Numbers: [42, 7] Generated Node #0,3,2: 25:[42, 7] Operation: 12-5=7 Exploring Operation: 12+5=17, Resulting Numbers: [42, 17] Generated Node #0,3,3: 25:[42, 17] Operation: 12+5=17 Moving to Node #0,2 Current State: 25:[12, 65, 29], Operations: ['42-13=29'] Exploring Operation: 65-29=36, Resulting Numbers: [12, 36] Generated Node #0,2,0: 25:[12, 36] Operation: 65-29=36 Exploring Operation: 29-12=17, Resulting Numbers: [65, 17] Generated Node #0,2,1: 25:[65, 17] Operation: 29-12=17 Exploring Operation: 65-12=53, Resulting Numbers: [29, 53] Generated Node #0,2,2: 25:[29, 53] Operation: 65-12=53 Exploring Operation: 12+65=77, Resulting Numbers: [29, 77] Generated Node #0,2,3: 25:[29, 77] Operation: 12+65=77 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 25:[12, 36], Operations: ['42-13=29', '65-29=36'] Exploring Operation: 12*36=432, Resulting Numbers: [432] 432,25 unequal: No Solution Exploring Operation: 36/12=3, Resulting Numbers: [3] 3,25 unequal: No Solution Exploring Operation: 36-12=24, Resulting Numbers: [24] 24,25 unequal: No Solution Exploring Operation: 12+36=48, Resulting Numbers: [48] 48,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 25:[29, 53], Operations: ['42-13=29', '65-12=53'] Exploring Operation: 29+53=82, Resulting Numbers: [82] 82,25 unequal: No Solution Exploring Operation: 29*53=1537, Resulting Numbers: [1537] 1537,25 unequal: No Solution Exploring Operation: 53-29=24, Resulting Numbers: [24] 24,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 25:[65, 17], Operations: ['42-13=29', '29-12=17'] Exploring Operation: 65*17=1105, Resulting Numbers: [1105] 1105,25 unequal: No Solution Exploring Operation: 65-17=48, Resulting Numbers: [48] 48,25 unequal: No Solution Exploring Operation: 65+17=82, Resulting Numbers: [82] 82,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 25:[29, 77], Operations: ['42-13=29', '12+65=77'] Exploring Operation: 29+77=106, Resulting Numbers: [106] 106,25 unequal: No Solution Exploring Operation: 77-29=48, Resulting Numbers: [48] 48,25 unequal: No Solution Exploring Operation: 29*77=2233, Resulting Numbers: [2233] 2233,25 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: 25:[12, 42, 52], Operations: ['65-13=52'] Exploring Operation: 52-12=40, Resulting Numbers: [42, 40] Generated Node #0,1,0: 25:[42, 40] Operation: 52-12=40 Exploring Operation: 52-42=10, Resulting Numbers: [12, 10] Generated Node #0,1,1: 25:[12, 10] Operation: 52-42=10 Exploring Operation: 12+42=54, Resulting Numbers: [52, 54] Generated Node #0,1,2: 25:[52, 54] Operation: 12+42=54 Exploring Operation: 42-12=30, Resulting Numbers: [52, 30] Generated Node #0,1,3: 25:[52, 30] Operation: 42-12=30 Moving to Node #0,0,1 Current State: 25:[23, 25], Operations: ['65-42=23', '12+13=25'] Exploring Operation: 23*25=575, Resulting Numbers: [575] 575,25 unequal: No Solution Exploring Operation: 25-23=2, Resulting Numbers: [2] 2,25 unequal: No Solution Exploring Operation: 23+25=48, Resulting Numbers: [48] 48,25 unequal: No Solution Moving to Node #0,3,1 Current State: 25:[5, 30], Operations: ['65/13=5', '42-12=30'] Exploring Operation: 30-5=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Moving to Node #0 Current State: 25:[12, 65, 13, 42], Operations: [] Exploring Operation: 65/13=5, Resulting Numbers: [12, 42, 5] Generated Node #0,3: 25:[12, 42, 5] Operation: 65/13=5 Moving to Node #0,3 Current State: 25:[12, 42, 5], Operations: ['65/13=5'] Exploring Operation: 42-12=30, Resulting Numbers: [5, 30] Generated Node #0,3,1: 25:[5, 30] Operation: 42-12=30 Moving to Node #0,3,1 Current State: 25:[5, 30], Operations: ['65/13=5', '42-12=30'] Exploring Operation: 30-5=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
0.96441
hs_4
mult_heuristic
[ 29, 47, 78, 2 ]
62
[ "47-29=18", "78+2=80", "80-18=62" ]
Current State: 62:[29, 47, 78, 2], Operations: [] Exploring Operation: 47-29=18, Resulting Numbers: [78, 2, 18] Generated Node #2: [78, 2, 18] from Operation: 47-29=18 Current State: 62:[78, 2, 18], Operations: ['47-29=18'] Exploring Operation: 78+2=80, Resulting Numbers: [18, 80] Generated Node #3: [18, 80] from Operation: 78+2=80 Current State: 62:[18, 80], Operations: ['47-29=18', '78+2=80'] Exploring Operation: 80-18=62, Resulting Numbers: [62] 62,62 equal: Goal Reached
4
Current State: 62:[29, 47, 78, 2], Operations: [] Exploring Operation: 78/2=39, Resulting Numbers: [29, 47, 39] Generated Node #0,0: 62:[29, 47, 39] Operation: 78/2=39 Exploring Operation: 47-29=18, Resulting Numbers: [78, 2, 18] Generated Node #0,1: 62:[78, 2, 18] Operation: 47-29=18 Exploring Operation: 78-47=31, Resulting Numbers: [29, 2, 31] Generated Node #0,2: 62:[29, 2, 31] Operation: 78-47=31 Exploring Operation: 78-29=49, Resulting Numbers: [47, 2, 49] Generated Node #0,3: 62:[47, 2, 49] Operation: 78-29=49 Start Sub Search at level 1: Moving to Node #0,2 Current State: 62:[29, 2, 31], Operations: ['78-47=31'] Exploring Operation: 29+31=60, Resulting Numbers: [2, 60] Generated Node #0,2,0: 62:[2, 60] Operation: 29+31=60 Exploring Operation: 29+2=31, Resulting Numbers: [31, 31] Generated Node #0,2,1: 62:[31, 31] Operation: 29+2=31 Exploring Operation: 2*31=62, Resulting Numbers: [29, 62] Generated Node #0,2,2: 62:[29, 62] Operation: 2*31=62 Exploring Operation: 31-29=2, Resulting Numbers: [2, 2] Generated Node #0,2,3: 62:[2, 2] Operation: 31-29=2 Moving to Node #0,2,1 Current State: 62:[31, 31], Operations: ['78-47=31', '29+2=31'] Exploring Operation: 31-31=0, Resulting Numbers: [0] 0,62 unequal: No Solution Exploring Operation: 31/31=1, Resulting Numbers: [1] 1,62 unequal: No Solution Exploring Operation: 31*31=961, Resulting Numbers: [961] 961,62 unequal: No Solution Exploring Operation: 31+31=62, Resulting Numbers: [62] 62,62 equal: Goal Reached Moving to Node #0 Current State: 62:[29, 47, 78, 2], Operations: [] Exploring Operation: 78-47=31, Resulting Numbers: [29, 2, 31] Generated Node #0,2: 62:[29, 2, 31] Operation: 78-47=31 Moving to Node #0,2 Current State: 62:[29, 2, 31], Operations: ['78-47=31'] Exploring Operation: 29+2=31, Resulting Numbers: [31, 31] Generated Node #0,2,1: 62:[31, 31] Operation: 29+2=31 Moving to Node #0,2,1 Current State: 62:[31, 31], Operations: ['78-47=31', '29+2=31'] Exploring Operation: 31+31=62, Resulting Numbers: [62] 62,62 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_4
sum_heuristic
[ 27, 15, 45, 37 ]
34
[ "27+15=42", "45-37=8", "42-8=34" ]
Current State: 34:[27, 15, 45, 37], Operations: [] Exploring Operation: 27+15=42, Resulting Numbers: [45, 37, 42] Generated Node #2: [45, 37, 42] from Operation: 27+15=42 Current State: 34:[45, 37, 42], Operations: ['27+15=42'] Exploring Operation: 45-37=8, Resulting Numbers: [42, 8] Generated Node #3: [42, 8] from Operation: 45-37=8 Current State: 34:[42, 8], Operations: ['27+15=42', '45-37=8'] Exploring Operation: 42-8=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
4
Current State: 34:[27, 15, 45, 37], Operations: [] Exploring Operation: 45-27=18, Resulting Numbers: [15, 37, 18] Generated Node #0,0: 34:[15, 37, 18] Operation: 45-27=18 Start Sub Search at level 1: Moving to Node #0,0 Current State: 34:[15, 37, 18], Operations: ['45-27=18'] Exploring Operation: 15+18=33, Resulting Numbers: [37, 33] Generated Node #0,0,0: 34:[37, 33] Operation: 15+18=33 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 34:[37, 33], Operations: ['45-27=18', '15+18=33'] Exploring Operation: 37-33=4, Resulting Numbers: [4] 4,34 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
[ 82, 8, 49, 53 ]
55
[ "49-8=41", "82/41=2", "53+2=55" ]
Current State: 55:[82, 8, 49, 53], Operations: [] Exploring Operation: 49-8=41, Resulting Numbers: [82, 53, 41] Generated Node #2: [82, 53, 41] from Operation: 49-8=41 Current State: 55:[82, 53, 41], Operations: ['49-8=41'] Exploring Operation: 82/41=2, Resulting Numbers: [53, 2] Generated Node #3: [53, 2] from Operation: 82/41=2 Current State: 55:[53, 2], Operations: ['49-8=41', '82/41=2'] Exploring Operation: 53+2=55, Resulting Numbers: [55] 55,55 equal: Goal Reached
4
Current State: 55:[82, 8, 49, 53], Operations: [] Exploring Operation: 82-8=74, Resulting Numbers: [49, 53, 74] Generated Node #0,0: 55:[49, 53, 74] Operation: 82-8=74 Exploring Operation: 82-49=33, Resulting Numbers: [8, 53, 33] Generated Node #0,1: 55:[8, 53, 33] Operation: 82-49=33 Start Sub Search at level 1: Moving to Node #0,0 Current State: 55:[49, 53, 74], Operations: ['82-8=74'] Exploring Operation: 74-53=21, Resulting Numbers: [49, 21] Generated Node #0,0,0: 55:[49, 21] Operation: 74-53=21 Exploring Operation: 74-49=25, Resulting Numbers: [53, 25] Generated Node #0,0,1: 55:[53, 25] Operation: 74-49=25 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 55:[49, 21], Operations: ['82-8=74', '74-53=21'] Exploring Operation: 49-21=28, Resulting Numbers: [28] 28,55 unequal: No Solution Exploring Operation: 49+21=70, Resulting Numbers: [70] 70,55 unequal: No Solution No 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: 55:[53, 25], Operations: ['82-8=74', '74-49=25'] Exploring Operation: 53+25=78, Resulting Numbers: [78] 78,55 unequal: No Solution Exploring Operation: 53-25=28, Resulting Numbers: [28] 28,55 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: 55:[8, 53, 33], Operations: ['82-49=33'] Exploring Operation: 53-33=20, Resulting Numbers: [8, 20] Generated Node #0,1,0: 55:[8, 20] Operation: 53-33=20 Exploring Operation: 8+33=41, Resulting Numbers: [53, 41] Generated Node #0,1,1: 55:[53, 41] Operation: 8+33=41 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 55:[8, 20], Operations: ['82-49=33', '53-33=20'] Exploring Operation: 20-8=12, Resulting Numbers: [12] 12,55 unequal: No Solution Exploring Operation: 8+20=28, Resulting Numbers: [28] 28,55 unequal: No Solution No 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: 55:[53, 41], Operations: ['82-49=33', '8+33=41'] Exploring Operation: 53-41=12, Resulting Numbers: [12] 12,55 unequal: No Solution Exploring Operation: 53+41=94, Resulting Numbers: [94] 94,55 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
[ 87, 5, 35, 84 ]
100
[ "87-84=3", "35*3=105", "105-5=100" ]
Current State: 100:[87, 5, 35, 84], Operations: [] Exploring Operation: 87-84=3, Resulting Numbers: [5, 35, 3] Generated Node #2: [5, 35, 3] from Operation: 87-84=3 Current State: 100:[5, 35, 3], Operations: ['87-84=3'] Exploring Operation: 35*3=105, Resulting Numbers: [5, 105] Generated Node #3: [5, 105] from Operation: 35*3=105 Current State: 100:[5, 105], Operations: ['87-84=3', '35*3=105'] Exploring Operation: 105-5=100, Resulting Numbers: [100] 100,100 equal: Goal Reached
4
Current State: 100:[87, 5, 35, 84], Operations: [] Exploring Operation: 84-35=49, Resulting Numbers: [87, 5, 49] Generated Node #0,0: 100:[87, 5, 49] Operation: 84-35=49 Exploring Operation: 35/5=7, Resulting Numbers: [87, 84, 7] Generated Node #0,1: 100:[87, 84, 7] Operation: 35/5=7 Exploring Operation: 87-84=3, Resulting Numbers: [5, 35, 3] Generated Node #0,2: 100:[5, 35, 3] Operation: 87-84=3 Exploring Operation: 87-35=52, Resulting Numbers: [5, 84, 52] Generated Node #0,3: 100:[5, 84, 52] Operation: 87-35=52 Exploring Operation: 35+84=119, Resulting Numbers: [87, 5, 119] Generated Node #0,4: 100:[87, 5, 119] Operation: 35+84=119 Start Sub Search at level 1: Moving to Node #0,2 Current State: 100:[5, 35, 3], Operations: ['87-84=3'] Exploring Operation: 35/5=7, Resulting Numbers: [3, 7] Generated Node #0,2,0: 100:[3, 7] Operation: 35/5=7 Exploring Operation: 35*3=105, Resulting Numbers: [5, 105] Generated Node #0,2,1: 100:[5, 105] Operation: 35*3=105 Exploring Operation: 5-3=2, Resulting Numbers: [35, 2] Generated Node #0,2,2: 100:[35, 2] Operation: 5-3=2 Exploring Operation: 35-3=32, Resulting Numbers: [5, 32] Generated Node #0,2,3: 100:[5, 32] Operation: 35-3=32 Exploring Operation: 35-5=30, Resulting Numbers: [3, 30] Generated Node #0,2,4: 100:[3, 30] Operation: 35-5=30 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 100:[3, 7], Operations: ['87-84=3', '35/5=7'] Exploring Operation: 3+7=10, Resulting Numbers: [10] 10,100 unequal: No Solution Exploring Operation: 7-3=4, Resulting Numbers: [4] 4,100 unequal: No Solution Exploring Operation: 3*7=21, Resulting Numbers: [21] 21,100 unequal: No Solution No 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: 100:[5, 105], Operations: ['87-84=3', '35*3=105'] Exploring Operation: 5*105=525, Resulting Numbers: [525] 525,100 unequal: No Solution Exploring Operation: 5+105=110, Resulting Numbers: [110] 110,100 unequal: No Solution Exploring Operation: 105-5=100, Resulting Numbers: [100] 100,100 equal: Goal Reached Moving to Node #0 Current State: 100:[87, 5, 35, 84], Operations: [] Exploring Operation: 87-84=3, Resulting Numbers: [5, 35, 3] Generated Node #0,2: 100:[5, 35, 3] Operation: 87-84=3 Moving to Node #0,2 Current State: 100:[5, 35, 3], Operations: ['87-84=3'] Exploring Operation: 35*3=105, Resulting Numbers: [5, 105] Generated Node #0,2,1: 100:[5, 105] Operation: 35*3=105 Moving to Node #0,2,1 Current State: 100:[5, 105], Operations: ['87-84=3', '35*3=105'] Exploring Operation: 105-5=100, Resulting Numbers: [100] 100,100 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.982639
hs_5
mult_heuristic
[ 18, 90, 22, 54 ]
13
[ "22*54=1188", "1188-18=1170", "1170/90=13" ]
Current State: 13:[18, 90, 22, 54], Operations: [] Exploring Operation: 22*54=1188, Resulting Numbers: [18, 90, 1188] Generated Node #2: [18, 90, 1188] from Operation: 22*54=1188 Current State: 13:[18, 90, 1188], Operations: ['22*54=1188'] Exploring Operation: 1188-18=1170, Resulting Numbers: [90, 1170] Generated Node #3: [90, 1170] from Operation: 1188-18=1170 Current State: 13:[90, 1170], Operations: ['22*54=1188', '1188-18=1170'] Exploring Operation: 1170/90=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
4
Current State: 13:[18, 90, 22, 54], Operations: [] Exploring Operation: 54/18=3, Resulting Numbers: [90, 22, 3] Generated Node #0,0: 13:[90, 22, 3] Operation: 54/18=3 Exploring Operation: 90/18=5, Resulting Numbers: [22, 54, 5] Generated Node #0,1: 13:[22, 54, 5] Operation: 90/18=5 Exploring Operation: 90-54=36, Resulting Numbers: [18, 22, 36] Generated Node #0,2: 13:[18, 22, 36] Operation: 90-54=36 Moving to Node #0,2 Current State: 13:[18, 22, 36], Operations: ['90-54=36'] Exploring Operation: 36/18=2, Resulting Numbers: [22, 2] Generated Node #0,2,0: 13:[22, 2] Operation: 36/18=2 Exploring Operation: 36-18=18, Resulting Numbers: [22, 18] Generated Node #0,2,1: 13:[22, 18] Operation: 36-18=18 Exploring Operation: 36-22=14, Resulting Numbers: [18, 14] Generated Node #0,2,2: 13:[18, 14] Operation: 36-22=14 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 13:[18, 14], Operations: ['90-54=36', '36-22=14'] Exploring Operation: 18*14=252, Resulting Numbers: [252] 252,13 unequal: No Solution Exploring Operation: 18+14=32, Resulting Numbers: [32] 32,13 unequal: No Solution Exploring Operation: 18-14=4, Resulting Numbers: [4] 4,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 13:[22, 18], Operations: ['90-54=36', '36-18=18'] Exploring Operation: 22*18=396, Resulting Numbers: [396] 396,13 unequal: No Solution Exploring Operation: 22-18=4, Resulting Numbers: [4] 4,13 unequal: No Solution Exploring Operation: 22+18=40, Resulting Numbers: [40] 40,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 13:[22, 2], Operations: ['90-54=36', '36/18=2'] Exploring Operation: 22-2=20, Resulting Numbers: [20] 20,13 unequal: No Solution Exploring Operation: 22/2=11, Resulting Numbers: [11] 11,13 unequal: No Solution Exploring Operation: 22+2=24, Resulting Numbers: [24] 24,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 13:[22, 54, 5], Operations: ['90/18=5'] Exploring Operation: 54-5=49, Resulting Numbers: [22, 49] Generated Node #0,1,0: 13:[22, 49] Operation: 54-5=49 Exploring Operation: 22-5=17, Resulting Numbers: [54, 17] Generated Node #0,1,1: 13:[54, 17] Operation: 22-5=17 Exploring Operation: 54-22=32, Resulting Numbers: [5, 32] Generated Node #0,1,2: 13:[5, 32] Operation: 54-22=32 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 13:[5, 32], Operations: ['90/18=5', '54-22=32'] Exploring Operation: 5+32=37, Resulting Numbers: [37] 37,13 unequal: No Solution Exploring Operation: 5*32=160, Resulting Numbers: [160] 160,13 unequal: No Solution Exploring Operation: 32-5=27, Resulting Numbers: [27] 27,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 13:[22, 49], Operations: ['90/18=5', '54-5=49'] Exploring Operation: 49-22=27, Resulting Numbers: [27] 27,13 unequal: No Solution Exploring Operation: 22*49=1078, Resulting Numbers: [1078] 1078,13 unequal: No Solution Exploring Operation: 22+49=71, Resulting Numbers: [71] 71,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 13:[54, 17], Operations: ['90/18=5', '22-5=17'] Exploring Operation: 54+17=71, Resulting Numbers: [71] 71,13 unequal: No Solution Exploring Operation: 54*17=918, Resulting Numbers: [918] 918,13 unequal: No Solution Exploring Operation: 54-17=37, Resulting Numbers: [37] 37,13 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: 13:[90, 22, 3], Operations: ['54/18=3'] Exploring Operation: 90-3=87, Resulting Numbers: [22, 87] Generated Node #0,0,0: 13:[22, 87] Operation: 90-3=87 Exploring Operation: 90-22=68, Resulting Numbers: [3, 68] Generated Node #0,0,1: 13:[3, 68] Operation: 90-22=68 Exploring Operation: 90/3=30, Resulting Numbers: [22, 30] Generated Node #0,0,2: 13:[22, 30] Operation: 90/3=30 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 13:[22, 30], Operations: ['54/18=3', '90/3=30'] Exploring Operation: 30-22=8, Resulting Numbers: [8] 8,13 unequal: No Solution Exploring Operation: 22+30=52, Resulting Numbers: [52] 52,13 unequal: No Solution Exploring Operation: 22*30=660, Resulting Numbers: [660] 660,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 13:[3, 68], Operations: ['54/18=3', '90-22=68'] Exploring Operation: 3+68=71, Resulting Numbers: [71] 71,13 unequal: No Solution Exploring Operation: 3*68=204, Resulting Numbers: [204] 204,13 unequal: No Solution Exploring Operation: 68-3=65, Resulting Numbers: [65] 65,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 13:[22, 87], Operations: ['54/18=3', '90-3=87'] Exploring Operation: 22+87=109, Resulting Numbers: [109] 109,13 unequal: No Solution Exploring Operation: 22*87=1914, Resulting Numbers: [1914] 1914,13 unequal: No Solution Exploring Operation: 87-22=65, Resulting Numbers: [65] 65,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 34, 24, 40, 57 ]
26
[ "57-40=17", "34/17=2", "24+2=26" ]
Current State: 26:[34, 24, 40, 57], Operations: [] Exploring Operation: 57-40=17, Resulting Numbers: [34, 24, 17] Generated Node #2: [34, 24, 17] from Operation: 57-40=17 Current State: 26:[34, 24, 17], Operations: ['57-40=17'] Exploring Operation: 34/17=2, Resulting Numbers: [24, 2] Generated Node #3: [24, 2] from Operation: 34/17=2 Current State: 26:[24, 2], Operations: ['57-40=17', '34/17=2'] Exploring Operation: 24+2=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
4
Current State: 26:[34, 24, 40, 57], Operations: [] Exploring Operation: 57-34=23, Resulting Numbers: [24, 40, 23] Generated Node #0,0: 26:[24, 40, 23] Operation: 57-34=23 Exploring Operation: 57-24=33, Resulting Numbers: [34, 40, 33] Generated Node #0,1: 26:[34, 40, 33] Operation: 57-24=33 Exploring Operation: 57-40=17, Resulting Numbers: [34, 24, 17] Generated Node #0,2: 26:[34, 24, 17] Operation: 57-40=17 Start Sub Search at level 1: Moving to Node #0,2 Current State: 26:[34, 24, 17], Operations: ['57-40=17'] Exploring Operation: 34-24=10, Resulting Numbers: [17, 10] Generated Node #0,2,0: 26:[17, 10] Operation: 34-24=10 Exploring Operation: 34/17=2, Resulting Numbers: [24, 2] Generated Node #0,2,1: 26:[24, 2] Operation: 34/17=2 Exploring Operation: 34-17=17, Resulting Numbers: [24, 17] Generated Node #0,2,2: 26:[24, 17] Operation: 34-17=17 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 26:[24, 2], Operations: ['57-40=17', '34/17=2'] Exploring Operation: 24+2=26, Resulting Numbers: [26] 26,26 equal: Goal Reached Moving to Node #0 Current State: 26:[34, 24, 40, 57], Operations: [] Exploring Operation: 57-40=17, Resulting Numbers: [34, 24, 17] Generated Node #0,2: 26:[34, 24, 17] Operation: 57-40=17 Moving to Node #0,2 Current State: 26:[34, 24, 17], Operations: ['57-40=17'] Exploring Operation: 34/17=2, Resulting Numbers: [24, 2] Generated Node #0,2,1: 26:[24, 2] Operation: 34/17=2 Moving to Node #0,2,1 Current State: 26:[24, 2], Operations: ['57-40=17', '34/17=2'] Exploring Operation: 24+2=26, Resulting Numbers: [26] 26,26 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.990451
hs_3
sum_heuristic
[ 41, 83, 18, 2 ]
58
[ "83-41=42", "18-2=16", "42+16=58" ]
Current State: 58:[41, 83, 18, 2], Operations: [] Exploring Operation: 83-41=42, Resulting Numbers: [18, 2, 42] Generated Node #2: [18, 2, 42] from Operation: 83-41=42 Current State: 58:[18, 2, 42], Operations: ['83-41=42'] Exploring Operation: 18-2=16, Resulting Numbers: [42, 16] Generated Node #3: [42, 16] from Operation: 18-2=16 Current State: 58:[42, 16], Operations: ['83-41=42', '18-2=16'] Exploring Operation: 42+16=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[41, 83, 18, 2], Operations: [] Exploring Operation: 83-18=65, Resulting Numbers: [41, 2, 65] Generated Node #0,0: 58:[41, 2, 65] Operation: 83-18=65 Exploring Operation: 41-18=23, Resulting Numbers: [83, 2, 23] Generated Node #0,1: 58:[83, 2, 23] Operation: 41-18=23 Exploring Operation: 41+18=59, Resulting Numbers: [83, 2, 59] Generated Node #0,2: 58:[83, 2, 59] Operation: 41+18=59 Exploring Operation: 83-41=42, Resulting Numbers: [18, 2, 42] Generated Node #0,3: 58:[18, 2, 42] Operation: 83-41=42 Exploring Operation: 18*2=36, Resulting Numbers: [41, 83, 36] Generated Node #0,4: 58:[41, 83, 36] Operation: 18*2=36 Start Sub Search at level 1: Moving to Node #0,0 Current State: 58:[41, 2, 65], Operations: ['83-18=65'] Exploring Operation: 65-2=63, Resulting Numbers: [41, 63] Generated Node #0,0,0: 58:[41, 63] Operation: 65-2=63 Exploring Operation: 41+2=43, Resulting Numbers: [65, 43] Generated Node #0,0,1: 58:[65, 43] Operation: 41+2=43 Exploring Operation: 65-41=24, Resulting Numbers: [2, 24] Generated Node #0,0,2: 58:[2, 24] Operation: 65-41=24 Exploring Operation: 2+65=67, Resulting Numbers: [41, 67] Generated Node #0,0,3: 58:[41, 67] Operation: 2+65=67 Exploring Operation: 41-2=39, Resulting Numbers: [65, 39] Generated Node #0,0,4: 58:[65, 39] Operation: 41-2=39 Moving to Node #0,0,2 Current State: 58:[2, 24], Operations: ['83-18=65', '65-41=24'] Exploring Operation: 24/2=12, Resulting Numbers: [12] 12,58 unequal: No Solution Exploring Operation: 2+24=26, Resulting Numbers: [26] 26,58 unequal: No Solution Exploring Operation: 24-2=22, Resulting Numbers: [22] 22,58 unequal: No Solution Exploring Operation: 2*24=48, Resulting Numbers: [48] 48,58 unequal: No Solution Moving to Node #0,0,4 Current State: 58:[65, 39], Operations: ['83-18=65', '41-2=39'] Exploring Operation: 65+39=104, Resulting Numbers: [104] 104,58 unequal: No Solution Exploring Operation: 65*39=2535, Resulting Numbers: [2535] 2535,58 unequal: No Solution Exploring Operation: 65-39=26, Resulting Numbers: [26] 26,58 unequal: No Solution Moving to Node #0,0,0 Current State: 58:[41, 63], Operations: ['83-18=65', '65-2=63'] Exploring Operation: 41+63=104, Resulting Numbers: [104] 104,58 unequal: No Solution Exploring Operation: 41*63=2583, Resulting Numbers: [2583] 2583,58 unequal: No Solution Exploring Operation: 63-41=22, Resulting Numbers: [22] 22,58 unequal: No Solution Moving to Node #0,0,1 Current State: 58:[65, 43], Operations: ['83-18=65', '41+2=43'] Exploring Operation: 65*43=2795, Resulting Numbers: [2795] 2795,58 unequal: No Solution Exploring Operation: 65-43=22, Resulting Numbers: [22] 22,58 unequal: No Solution Exploring Operation: 65+43=108, Resulting Numbers: [108] 108,58 unequal: No Solution Moving to Node #0,0,3 Current State: 58:[41, 67], Operations: ['83-18=65', '2+65=67'] Exploring Operation: 41*67=2747, Resulting Numbers: [2747] 2747,58 unequal: No Solution Exploring Operation: 41+67=108, Resulting Numbers: [108] 108,58 unequal: No Solution Exploring Operation: 67-41=26, Resulting Numbers: [26] 26,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 58:[18, 2, 42], Operations: ['83-41=42'] Exploring Operation: 42/2=21, Resulting Numbers: [18, 21] Generated Node #0,3,0: 58:[18, 21] Operation: 42/2=21 Exploring Operation: 42-18=24, Resulting Numbers: [2, 24] Generated Node #0,3,1: 58:[2, 24] Operation: 42-18=24 Exploring Operation: 18/2=9, Resulting Numbers: [42, 9] Generated Node #0,3,2: 58:[42, 9] Operation: 18/2=9 Exploring Operation: 18*2=36, Resulting Numbers: [42, 36] Generated Node #0,3,3: 58:[42, 36] Operation: 18*2=36 Exploring Operation: 18+42=60, Resulting Numbers: [2, 60] Generated Node #0,3,4: 58:[2, 60] Operation: 18+42=60 Moving to Node #0,3,4 Current State: 58:[2, 60], Operations: ['83-41=42', '18+42=60'] Exploring Operation: 2+60=62, Resulting Numbers: [62] 62,58 unequal: No Solution Exploring Operation: 60-2=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Moving to Node #0 Current State: 58:[41, 83, 18, 2], Operations: [] Exploring Operation: 83-41=42, Resulting Numbers: [18, 2, 42] Generated Node #0,3: 58:[18, 2, 42] Operation: 83-41=42 Moving to Node #0,3 Current State: 58:[18, 2, 42], Operations: ['83-41=42'] Exploring Operation: 18+42=60, Resulting Numbers: [2, 60] Generated Node #0,3,4: 58:[2, 60] Operation: 18+42=60 Moving to Node #0,3,4 Current State: 58:[2, 60], Operations: ['83-41=42', '18+42=60'] Exploring Operation: 60-2=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Exit Sub Search at level 1
0.967882
hs_5
sum_heuristic
[ 47, 75, 16, 50 ]
23
[ "75*16=1200", "1200/50=24", "47-24=23" ]
Current State: 23:[47, 75, 16, 50], Operations: [] Exploring Operation: 75*16=1200, Resulting Numbers: [47, 50, 1200] Generated Node #2: [47, 50, 1200] from Operation: 75*16=1200 Current State: 23:[47, 50, 1200], Operations: ['75*16=1200'] Exploring Operation: 1200/50=24, Resulting Numbers: [47, 24] Generated Node #3: [47, 24] from Operation: 1200/50=24 Current State: 23:[47, 24], Operations: ['75*16=1200', '1200/50=24'] Exploring Operation: 47-24=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
4
Current State: 23:[47, 75, 16, 50], Operations: [] Exploring Operation: 50-47=3, Resulting Numbers: [75, 16, 3] Generated Node #0,0: 23:[75, 16, 3] Operation: 50-47=3 Exploring Operation: 75-47=28, Resulting Numbers: [16, 50, 28] Generated Node #0,1: 23:[16, 50, 28] Operation: 75-47=28 Exploring Operation: 75-50=25, Resulting Numbers: [47, 16, 25] Generated Node #0,2: 23:[47, 16, 25] Operation: 75-50=25 Exploring Operation: 47-16=31, Resulting Numbers: [75, 50, 31] Generated Node #0,3: 23:[75, 50, 31] Operation: 47-16=31 Moving to Node #0,2 Current State: 23:[47, 16, 25], Operations: ['75-50=25'] Exploring Operation: 25-16=9, Resulting Numbers: [47, 9] Generated Node #0,2,0: 23:[47, 9] Operation: 25-16=9 Exploring Operation: 47-25=22, Resulting Numbers: [16, 22] Generated Node #0,2,1: 23:[16, 22] Operation: 47-25=22 Exploring Operation: 47+16=63, Resulting Numbers: [25, 63] Generated Node #0,2,2: 23:[25, 63] Operation: 47+16=63 Exploring Operation: 47-16=31, Resulting Numbers: [25, 31] Generated Node #0,2,3: 23:[25, 31] Operation: 47-16=31 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 23:[16, 22], Operations: ['75-50=25', '47-25=22'] Exploring Operation: 22-16=6, Resulting Numbers: [6] 6,23 unequal: No Solution Exploring Operation: 16+22=38, Resulting Numbers: [38] 38,23 unequal: No Solution Exploring Operation: 16*22=352, Resulting Numbers: [352] 352,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 23:[25, 31], Operations: ['75-50=25', '47-16=31'] Exploring Operation: 25+31=56, Resulting Numbers: [56] 56,23 unequal: No Solution Exploring Operation: 25*31=775, Resulting Numbers: [775] 775,23 unequal: No Solution Exploring Operation: 31-25=6, Resulting Numbers: [6] 6,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 23:[47, 9], Operations: ['75-50=25', '25-16=9'] Exploring Operation: 47*9=423, Resulting Numbers: [423] 423,23 unequal: No Solution Exploring Operation: 47+9=56, Resulting Numbers: [56] 56,23 unequal: No Solution Exploring Operation: 47-9=38, Resulting Numbers: [38] 38,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 23:[25, 63], Operations: ['75-50=25', '47+16=63'] Exploring Operation: 25*63=1575, Resulting Numbers: [1575] 1575,23 unequal: No Solution Exploring Operation: 63-25=38, Resulting Numbers: [38] 38,23 unequal: No Solution Exploring Operation: 25+63=88, Resulting Numbers: [88] 88,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 23:[16, 50, 28], Operations: ['75-47=28'] Exploring Operation: 16+50=66, Resulting Numbers: [28, 66] Generated Node #0,1,0: 23:[28, 66] Operation: 16+50=66 Exploring Operation: 28-16=12, Resulting Numbers: [50, 12] Generated Node #0,1,1: 23:[50, 12] Operation: 28-16=12 Exploring Operation: 50-28=22, Resulting Numbers: [16, 22] Generated Node #0,1,2: 23:[16, 22] Operation: 50-28=22 Exploring Operation: 50-16=34, Resulting Numbers: [28, 34] Generated Node #0,1,3: 23:[28, 34] Operation: 50-16=34 Moving to Node #0,0 Current State: 23:[75, 16, 3], Operations: ['50-47=3'] Exploring Operation: 75-16=59, Resulting Numbers: [3, 59] Generated Node #0,0,0: 23:[3, 59] Operation: 75-16=59 Exploring Operation: 75/3=25, Resulting Numbers: [16, 25] Generated Node #0,0,1: 23:[16, 25] Operation: 75/3=25 Exploring Operation: 75-3=72, Resulting Numbers: [16, 72] Generated Node #0,0,2: 23:[16, 72] Operation: 75-3=72 Exploring Operation: 16+3=19, Resulting Numbers: [75, 19] Generated Node #0,0,3: 23:[75, 19] Operation: 16+3=19 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 23:[16, 25], Operations: ['50-47=3', '75/3=25'] Exploring Operation: 16*25=400, Resulting Numbers: [400] 400,23 unequal: No Solution Exploring Operation: 25-16=9, Resulting Numbers: [9] 9,23 unequal: No Solution Exploring Operation: 16+25=41, Resulting Numbers: [41] 41,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 23:[3, 59], Operations: ['50-47=3', '75-16=59'] Exploring Operation: 59-3=56, Resulting Numbers: [56] 56,23 unequal: No Solution Exploring Operation: 3+59=62, Resulting Numbers: [62] 62,23 unequal: No Solution Exploring Operation: 3*59=177, Resulting Numbers: [177] 177,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 23:[16, 72], Operations: ['50-47=3', '75-3=72'] Exploring Operation: 16+72=88, Resulting Numbers: [88] 88,23 unequal: No Solution Exploring Operation: 16*72=1152, Resulting Numbers: [1152] 1152,23 unequal: No Solution Exploring Operation: 72-16=56, Resulting Numbers: [56] 56,23 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 #0,0,3 Current State: 23:[75, 19], Operations: ['50-47=3', '16+3=19'] Exploring Operation: 75-19=56, Resulting Numbers: [56] 56,23 unequal: No Solution Exploring Operation: 75+19=94, Resulting Numbers: [94] 94,23 unequal: No Solution Exploring Operation: 75*19=1425, Resulting Numbers: [1425] 1425,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3 Current State: 23:[75, 50, 31], Operations: ['47-16=31'] Exploring Operation: 50-31=19, Resulting Numbers: [75, 19] Generated Node #0,3,0: 23:[75, 19] Operation: 50-31=19 Exploring Operation: 75-50=25, Resulting Numbers: [31, 25] Generated Node #0,3,1: 23:[31, 25] Operation: 75-50=25 Exploring Operation: 75+50=125, Resulting Numbers: [31, 125] Generated Node #0,3,2: 23:[31, 125] Operation: 75+50=125 Exploring Operation: 75-31=44, Resulting Numbers: [50, 44] Generated Node #0,3,3: 23:[50, 44] Operation: 75-31=44 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 23:[31, 25], Operations: ['47-16=31', '75-50=25'] Exploring Operation: 31-25=6, Resulting Numbers: [6] 6,23 unequal: No Solution Exploring Operation: 31+25=56, Resulting Numbers: [56] 56,23 unequal: No Solution Exploring Operation: 31*25=775, Resulting Numbers: [775] 775,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 23:[50, 44], Operations: ['47-16=31', '75-31=44'] Exploring Operation: 50-44=6, Resulting Numbers: [6] 6,23 unequal: No Solution Exploring Operation: 50*44=2200, Resulting Numbers: [2200] 2200,23 unequal: No Solution Exploring Operation: 50+44=94, Resulting Numbers: [94] 94,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 23:[75, 19], Operations: ['47-16=31', '50-31=19'] Exploring Operation: 75-19=56, Resulting Numbers: [56] 56,23 unequal: No Solution Exploring Operation: 75*19=1425, Resulting Numbers: [1425] 1425,23 unequal: No Solution Exploring Operation: 75+19=94, Resulting Numbers: [94] 94,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 23:[31, 125], Operations: ['47-16=31', '75+50=125'] Exploring Operation: 31*125=3875, Resulting Numbers: [3875] 3875,23 unequal: No Solution Exploring Operation: 31+125=156, Resulting Numbers: [156] 156,23 unequal: No Solution Exploring Operation: 125-31=94, Resulting Numbers: [94] 94,23 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: 23:[16, 22], Operations: ['75-47=28', '50-28=22'] Exploring Operation: 22-16=6, Resulting Numbers: [6] 6,23 unequal: No Solution Exploring Operation: 16+22=38, Resulting Numbers: [38] 38,23 unequal: No Solution Exploring Operation: 16*22=352, Resulting Numbers: [352] 352,23 unequal: No Solution Moving to Node #0,1,3 Current State: 23:[28, 34], Operations: ['75-47=28', '50-16=34'] Exploring Operation: 28+34=62, Resulting Numbers: [62] 62,23 unequal: No Solution Exploring Operation: 28*34=952, Resulting Numbers: [952] 952,23 unequal: No Solution Exploring Operation: 34-28=6, Resulting Numbers: [6] 6,23 unequal: No Solution Moving to Node #0,1,1 Current State: 23:[50, 12], Operations: ['75-47=28', '28-16=12'] Exploring Operation: 50+12=62, Resulting Numbers: [62] 62,23 unequal: No Solution Exploring Operation: 50*12=600, Resulting Numbers: [600] 600,23 unequal: No Solution Exploring Operation: 50-12=38, Resulting Numbers: [38] 38,23 unequal: No Solution Moving to Node #0,1,0 Current State: 23:[28, 66], Operations: ['75-47=28', '16+50=66'] Exploring Operation: 66-28=38, Resulting Numbers: [38] 38,23 unequal: No Solution Exploring Operation: 28*66=1848, Resulting Numbers: [1848] 1848,23 unequal: No Solution Exploring Operation: 28+66=94, Resulting Numbers: [94] 94,23 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 84, 20, 86, 21 ]
43
[ "84-20=64", "86+21=107", "107-64=43" ]
Current State: 43:[84, 20, 86, 21], Operations: [] Exploring Operation: 84-20=64, Resulting Numbers: [86, 21, 64] Generated Node #2: [86, 21, 64] from Operation: 84-20=64 Current State: 43:[86, 21, 64], Operations: ['84-20=64'] Exploring Operation: 86+21=107, Resulting Numbers: [64, 107] Generated Node #3: [64, 107] from Operation: 86+21=107 Current State: 43:[64, 107], Operations: ['84-20=64', '86+21=107'] Exploring Operation: 107-64=43, Resulting Numbers: [43] 43,43 equal: Goal Reached
4
Current State: 43:[84, 20, 86, 21], Operations: [] Exploring Operation: 86-84=2, Resulting Numbers: [20, 21, 2] Generated Node #0,0: 43:[20, 21, 2] Operation: 86-84=2 Exploring Operation: 84-20=64, Resulting Numbers: [86, 21, 64] Generated Node #0,1: 43:[86, 21, 64] Operation: 84-20=64 Moving to Node #0,0 Current State: 43:[20, 21, 2], Operations: ['86-84=2'] Exploring Operation: 20*2=40, Resulting Numbers: [21, 40] Generated Node #0,0,0: 43:[21, 40] Operation: 20*2=40 Exploring Operation: 21*2=42, Resulting Numbers: [20, 42] Generated Node #0,0,1: 43:[20, 42] Operation: 21*2=42 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 43:[20, 42], Operations: ['86-84=2', '21*2=42'] Exploring Operation: 42-20=22, Resulting Numbers: [22] 22,43 unequal: No Solution Exploring Operation: 20+42=62, Resulting Numbers: [62] 62,43 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 #0,0,0 Current State: 43:[21, 40], Operations: ['86-84=2', '20*2=40'] Exploring Operation: 21+40=61, Resulting Numbers: [61] 61,43 unequal: No Solution Exploring Operation: 40-21=19, Resulting Numbers: [19] 19,43 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: 43:[86, 21, 64], Operations: ['84-20=64'] Exploring Operation: 86-64=22, Resulting Numbers: [21, 22] Generated Node #0,1,0: 43:[21, 22] Operation: 86-64=22 Exploring Operation: 86-21=65, Resulting Numbers: [64, 65] Generated Node #0,1,1: 43:[64, 65] Operation: 86-21=65 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 43:[21, 22], Operations: ['84-20=64', '86-64=22'] Exploring Operation: 21+22=43, Resulting Numbers: [43] 43,43 equal: Goal Reached Moving to Node #0 Current State: 43:[84, 20, 86, 21], Operations: [] Exploring Operation: 84-20=64, Resulting Numbers: [86, 21, 64] Generated Node #0,1: 43:[86, 21, 64] Operation: 84-20=64 Moving to Node #0,1 Current State: 43:[86, 21, 64], Operations: ['84-20=64'] Exploring Operation: 86-64=22, Resulting Numbers: [21, 22] Generated Node #0,1,0: 43:[21, 22] Operation: 86-64=22 Moving to Node #0,1,0 Current State: 43:[21, 22], Operations: ['84-20=64', '86-64=22'] Exploring Operation: 21+22=43, Resulting Numbers: [43] 43,43 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_2
mult_heuristic
[ 39, 66, 47, 20 ]
78
[ "39+66=105", "47-20=27", "105-27=78" ]
Current State: 78:[39, 66, 47, 20], Operations: [] Exploring Operation: 39+66=105, Resulting Numbers: [47, 20, 105] Generated Node #2: [47, 20, 105] from Operation: 39+66=105 Current State: 78:[47, 20, 105], Operations: ['39+66=105'] Exploring Operation: 47-20=27, Resulting Numbers: [105, 27] Generated Node #3: [105, 27] from Operation: 47-20=27 Current State: 78:[105, 27], Operations: ['39+66=105', '47-20=27'] Exploring Operation: 105-27=78, Resulting Numbers: [78] 78,78 equal: Goal Reached
4
Current State: 78:[39, 66, 47, 20], Operations: [] Exploring Operation: 66+20=86, Resulting Numbers: [39, 47, 86] Generated Node #0,0: 78:[39, 47, 86] Operation: 66+20=86 Exploring Operation: 66-39=27, Resulting Numbers: [47, 20, 27] Generated Node #0,1: 78:[47, 20, 27] Operation: 66-39=27 Exploring Operation: 66-47=19, Resulting Numbers: [39, 20, 19] Generated Node #0,2: 78:[39, 20, 19] Operation: 66-47=19 Exploring Operation: 47-20=27, Resulting Numbers: [39, 66, 27] Generated Node #0,3: 78:[39, 66, 27] Operation: 47-20=27 Exploring Operation: 66-20=46, Resulting Numbers: [39, 47, 46] Generated Node #0,4: 78:[39, 47, 46] Operation: 66-20=46 Start Sub Search at level 1: Moving to Node #0,2 Current State: 78:[39, 20, 19], Operations: ['66-47=19'] Exploring Operation: 39-20=19, Resulting Numbers: [19, 19] Generated Node #0,2,0: 78:[19, 19] Operation: 39-20=19 Exploring Operation: 39-19=20, Resulting Numbers: [20, 20] Generated Node #0,2,1: 78:[20, 20] Operation: 39-19=20 Exploring Operation: 20-19=1, Resulting Numbers: [39, 1] Generated Node #0,2,2: 78:[39, 1] Operation: 20-19=1 Exploring Operation: 39+20=59, Resulting Numbers: [19, 59] Generated Node #0,2,3: 78:[19, 59] Operation: 39+20=59 Exploring Operation: 20+19=39, Resulting Numbers: [39, 39] Generated Node #0,2,4: 78:[39, 39] Operation: 20+19=39 Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 78:[39, 39], Operations: ['66-47=19', '20+19=39'] Exploring Operation: 39-39=0, Resulting Numbers: [0] 0,78 unequal: No Solution Exploring Operation: 39*39=1521, Resulting Numbers: [1521] 1521,78 unequal: No Solution Exploring Operation: 39/39=1, Resulting Numbers: [1] 1,78 unequal: No Solution Exploring Operation: 39+39=78, Resulting Numbers: [78] 78,78 equal: Goal Reached Moving to Node #0 Current State: 78:[39, 66, 47, 20], Operations: [] Exploring Operation: 66-47=19, Resulting Numbers: [39, 20, 19] Generated Node #0,2: 78:[39, 20, 19] Operation: 66-47=19 Moving to Node #0,2 Current State: 78:[39, 20, 19], Operations: ['66-47=19'] Exploring Operation: 20+19=39, Resulting Numbers: [39, 39] Generated Node #0,2,4: 78:[39, 39] Operation: 20+19=39 Moving to Node #0,2,4 Current State: 78:[39, 39], Operations: ['66-47=19', '20+19=39'] Exploring Operation: 39+39=78, Resulting Numbers: [78] 78,78 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.984375
hs_5
mult_heuristic
[ 36, 96, 66, 44 ]
54
[ "44-36=8", "96/8=12", "66-12=54" ]
Current State: 54:[36, 96, 66, 44], Operations: [] Exploring Operation: 44-36=8, Resulting Numbers: [96, 66, 8] Generated Node #2: [96, 66, 8] from Operation: 44-36=8 Current State: 54:[96, 66, 8], Operations: ['44-36=8'] Exploring Operation: 96/8=12, Resulting Numbers: [66, 12] Generated Node #3: [66, 12] from Operation: 96/8=12 Current State: 54:[66, 12], Operations: ['44-36=8', '96/8=12'] Exploring Operation: 66-12=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
4
Current State: 54:[36, 96, 66, 44], Operations: [] Exploring Operation: 96-66=30, Resulting Numbers: [36, 44, 30] Generated Node #0,0: 54:[36, 44, 30] Operation: 96-66=30 Moving to Node #0,0 Current State: 54:[36, 44, 30], Operations: ['96-66=30'] Exploring Operation: 44-36=8, Resulting Numbers: [30, 8] Generated Node #0,0,0: 54:[30, 8] Operation: 44-36=8 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 54:[30, 8], Operations: ['96-66=30', '44-36=8'] Exploring Operation: 30-8=22, Resulting Numbers: [22] 22,54 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 71, 3, 94, 2 ]
51
[ "71*2=142", "94-3=91", "142-91=51" ]
Current State: 51:[71, 3, 94, 2], Operations: [] Exploring Operation: 71*2=142, Resulting Numbers: [3, 94, 142] Generated Node #2: [3, 94, 142] from Operation: 71*2=142 Current State: 51:[3, 94, 142], Operations: ['71*2=142'] Exploring Operation: 94-3=91, Resulting Numbers: [142, 91] Generated Node #3: [142, 91] from Operation: 94-3=91 Current State: 51:[142, 91], Operations: ['71*2=142', '94-3=91'] Exploring Operation: 142-91=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[71, 3, 94, 2], Operations: [] Exploring Operation: 94-71=23, Resulting Numbers: [3, 2, 23] Generated Node #0,0: 51:[3, 2, 23] Operation: 94-71=23 Start Sub Search at level 1: Moving to Node #0,0 Current State: 51:[3, 2, 23], Operations: ['94-71=23'] Exploring Operation: 23-3=20, Resulting Numbers: [2, 20] Generated Node #0,0,0: 51:[2, 20] Operation: 23-3=20 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 51:[2, 20], Operations: ['94-71=23', '23-3=20'] Exploring Operation: 20-2=18, Resulting Numbers: [18] 18,51 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 44, 41, 50, 14 ]
82
[ "50-41=9", "14*9=126", "126-44=82" ]
Current State: 82:[44, 41, 50, 14], Operations: [] Exploring Operation: 50-41=9, Resulting Numbers: [44, 14, 9] Generated Node #2: [44, 14, 9] from Operation: 50-41=9 Current State: 82:[44, 14, 9], Operations: ['50-41=9'] Exploring Operation: 14*9=126, Resulting Numbers: [44, 126] Generated Node #3: [44, 126] from Operation: 14*9=126 Current State: 82:[44, 126], Operations: ['50-41=9', '14*9=126'] Exploring Operation: 126-44=82, Resulting Numbers: [82] 82,82 equal: Goal Reached
4
Current State: 82:[44, 41, 50, 14], Operations: [] Exploring Operation: 50-14=36, Resulting Numbers: [44, 41, 36] Generated Node #0,0: 82:[44, 41, 36] Operation: 50-14=36 Start Sub Search at level 1: Moving to Node #0,0 Current State: 82:[44, 41, 36], Operations: ['50-14=36'] Exploring Operation: 44+36=80, Resulting Numbers: [41, 80] Generated Node #0,0,0: 82:[41, 80] Operation: 44+36=80 Moving to Node #0,0,0 Current State: 82:[41, 80], Operations: ['50-14=36', '44+36=80'] Exploring Operation: 80-41=39, Resulting Numbers: [39] 39,82 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 77, 56, 95, 17 ]
57
[ "77-56=21", "95-17=78", "78-21=57" ]
Current State: 57:[77, 56, 95, 17], Operations: [] Exploring Operation: 77-56=21, Resulting Numbers: [95, 17, 21] Generated Node #2: [95, 17, 21] from Operation: 77-56=21 Current State: 57:[95, 17, 21], Operations: ['77-56=21'] Exploring Operation: 95-17=78, Resulting Numbers: [21, 78] Generated Node #3: [21, 78] from Operation: 95-17=78 Current State: 57:[21, 78], Operations: ['77-56=21', '95-17=78'] Exploring Operation: 78-21=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
4
Current State: 57:[77, 56, 95, 17], Operations: [] Exploring Operation: 77-56=21, Resulting Numbers: [95, 17, 21] Generated Node #0,0: 57:[95, 17, 21] Operation: 77-56=21 Exploring Operation: 95-56=39, Resulting Numbers: [77, 17, 39] Generated Node #0,1: 57:[77, 17, 39] Operation: 95-56=39 Exploring Operation: 95-77=18, Resulting Numbers: [56, 17, 18] Generated Node #0,2: 57:[56, 17, 18] Operation: 95-77=18 Start Sub Search at level 1: Moving to Node #0,2 Current State: 57:[56, 17, 18], Operations: ['95-77=18'] Exploring Operation: 56+17=73, Resulting Numbers: [18, 73] Generated Node #0,2,0: 57:[18, 73] Operation: 56+17=73 Exploring Operation: 18-17=1, Resulting Numbers: [56, 1] Generated Node #0,2,1: 57:[56, 1] Operation: 18-17=1 Exploring Operation: 17+18=35, Resulting Numbers: [56, 35] Generated Node #0,2,2: 57:[56, 35] Operation: 17+18=35 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 57:[56, 1], Operations: ['95-77=18', '18-17=1'] Exploring Operation: 56/1=56, Resulting Numbers: [56] 56,57 unequal: No Solution Exploring Operation: 56+1=57, Resulting Numbers: [57] 57,57 equal: Goal Reached Moving to Node #0 Current State: 57:[77, 56, 95, 17], Operations: [] Exploring Operation: 95-77=18, Resulting Numbers: [56, 17, 18] Generated Node #0,2: 57:[56, 17, 18] Operation: 95-77=18 Moving to Node #0,2 Current State: 57:[56, 17, 18], Operations: ['95-77=18'] Exploring Operation: 18-17=1, Resulting Numbers: [56, 1] Generated Node #0,2,1: 57:[56, 1] Operation: 18-17=1 Moving to Node #0,2,1 Current State: 57:[56, 1], Operations: ['95-77=18', '18-17=1'] Exploring Operation: 56+1=57, Resulting Numbers: [57] 57,57 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.989583
hs_3
sum_heuristic
[ 74, 18, 22, 12 ]
90
[ "74-18=56", "22+12=34", "56+34=90" ]
Current State: 90:[74, 18, 22, 12], Operations: [] Exploring Operation: 74-18=56, Resulting Numbers: [22, 12, 56] Generated Node #2: [22, 12, 56] from Operation: 74-18=56 Current State: 90:[22, 12, 56], Operations: ['74-18=56'] Exploring Operation: 22+12=34, Resulting Numbers: [56, 34] Generated Node #3: [56, 34] from Operation: 22+12=34 Current State: 90:[56, 34], Operations: ['74-18=56', '22+12=34'] Exploring Operation: 56+34=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
4
Current State: 90:[74, 18, 22, 12], Operations: [] Exploring Operation: 74+18=92, Resulting Numbers: [22, 12, 92] Generated Node #0,0: 90:[22, 12, 92] Operation: 74+18=92 Exploring Operation: 74+22=96, Resulting Numbers: [18, 12, 96] Generated Node #0,1: 90:[18, 12, 96] Operation: 74+22=96 Exploring Operation: 74+12=86, Resulting Numbers: [18, 22, 86] Generated Node #0,2: 90:[18, 22, 86] Operation: 74+12=86 Moving to Node #0,0 Current State: 90:[22, 12, 92], Operations: ['74+18=92'] Exploring Operation: 22-12=10, Resulting Numbers: [92, 10] Generated Node #0,0,0: 90:[92, 10] Operation: 22-12=10 Exploring Operation: 22+12=34, Resulting Numbers: [92, 34] Generated Node #0,0,1: 90:[92, 34] Operation: 22+12=34 Exploring Operation: 92-12=80, Resulting Numbers: [22, 80] Generated Node #0,0,2: 90:[22, 80] Operation: 92-12=80 Moving to Node #0,1 Current State: 90:[18, 12, 96], Operations: ['74+22=96'] Exploring Operation: 96/12=8, Resulting Numbers: [18, 8] Generated Node #0,1,0: 90:[18, 8] Operation: 96/12=8 Exploring Operation: 18-12=6, Resulting Numbers: [96, 6] Generated Node #0,1,1: 90:[96, 6] Operation: 18-12=6 Exploring Operation: 18+12=30, Resulting Numbers: [96, 30] Generated Node #0,1,2: 90:[96, 30] Operation: 18+12=30 Moving to Node #0,2 Current State: 90:[18, 22, 86], Operations: ['74+12=86'] Exploring Operation: 18+86=104, Resulting Numbers: [22, 104] Generated Node #0,2,0: 90:[22, 104] Operation: 18+86=104 Exploring Operation: 18+22=40, Resulting Numbers: [86, 40] Generated Node #0,2,1: 90:[86, 40] Operation: 18+22=40 Exploring Operation: 22-18=4, Resulting Numbers: [86, 4] Generated Node #0,2,2: 90:[86, 4] Operation: 22-18=4 Moving to Node #0,1,0 Current State: 90:[18, 8], Operations: ['74+22=96', '96/12=8'] Exploring Operation: 18*8=144, Resulting Numbers: [144] 144,90 unequal: No Solution Exploring Operation: 18-8=10, Resulting Numbers: [10] 10,90 unequal: No Solution Exploring Operation: 18+8=26, Resulting Numbers: [26] 26,90 unequal: No Solution Moving to Node #0,0,0 Current State: 90:[92, 10], Operations: ['74+18=92', '22-12=10'] Exploring Operation: 92*10=920, Resulting Numbers: [920] 920,90 unequal: No Solution Exploring Operation: 92+10=102, Resulting Numbers: [102] 102,90 unequal: No Solution Exploring Operation: 92-10=82, Resulting Numbers: [82] 82,90 unequal: No Solution Moving to Node #0,2,2 Current State: 90:[86, 4], Operations: ['74+12=86', '22-18=4'] Exploring Operation: 86+4=90, Resulting Numbers: [90] 90,90 equal: Goal Reached Moving to Node #0 Current State: 90:[74, 18, 22, 12], Operations: [] Exploring Operation: 74+12=86, Resulting Numbers: [18, 22, 86] Generated Node #0,2: 90:[18, 22, 86] Operation: 74+12=86 Moving to Node #0,2 Current State: 90:[18, 22, 86], Operations: ['74+12=86'] Exploring Operation: 22-18=4, Resulting Numbers: [86, 4] Generated Node #0,2,2: 90:[86, 4] Operation: 22-18=4 Moving to Node #0,2,2 Current State: 90:[86, 4], Operations: ['74+12=86', '22-18=4'] Exploring Operation: 86+4=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
0.980035
hs_3
sum_heuristic
[ 48, 83, 86, 34 ]
86
[ "83-48=35", "35-34=1", "86*1=86" ]
Current State: 86:[48, 83, 86, 34], Operations: [] Exploring Operation: 83-48=35, Resulting Numbers: [86, 34, 35] Generated Node #2: [86, 34, 35] from Operation: 83-48=35 Current State: 86:[86, 34, 35], Operations: ['83-48=35'] Exploring Operation: 35-34=1, Resulting Numbers: [86, 1] Generated Node #3: [86, 1] from Operation: 35-34=1 Current State: 86:[86, 1], Operations: ['83-48=35', '35-34=1'] Exploring Operation: 86*1=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
4
Current State: 86:[48, 83, 86, 34], Operations: [] Exploring Operation: 48+34=82, Resulting Numbers: [83, 86, 82] Generated Node #0,0: 86:[83, 86, 82] Operation: 48+34=82 Exploring Operation: 48-34=14, Resulting Numbers: [83, 86, 14] Generated Node #0,1: 86:[83, 86, 14] Operation: 48-34=14 Exploring Operation: 86-83=3, Resulting Numbers: [48, 34, 3] Generated Node #0,2: 86:[48, 34, 3] Operation: 86-83=3 Exploring Operation: 83-34=49, Resulting Numbers: [48, 86, 49] Generated Node #0,3: 86:[48, 86, 49] Operation: 83-34=49 Moving to Node #0,0 Current State: 86:[83, 86, 82], Operations: ['48+34=82'] Exploring Operation: 83-82=1, Resulting Numbers: [86, 1] Generated Node #0,0,0: 86:[86, 1] Operation: 83-82=1 Exploring Operation: 86-83=3, Resulting Numbers: [82, 3] Generated Node #0,0,1: 86:[82, 3] Operation: 86-83=3 Exploring Operation: 86-82=4, Resulting Numbers: [83, 4] Generated Node #0,0,2: 86:[83, 4] Operation: 86-82=4 Exploring Operation: 83+82=165, Resulting Numbers: [86, 165] Generated Node #0,0,3: 86:[86, 165] Operation: 83+82=165 Moving to Node #0,3 Current State: 86:[48, 86, 49], Operations: ['83-34=49'] Exploring Operation: 86-48=38, Resulting Numbers: [49, 38] Generated Node #0,3,0: 86:[49, 38] Operation: 86-48=38 Exploring Operation: 49-48=1, Resulting Numbers: [86, 1] Generated Node #0,3,1: 86:[86, 1] Operation: 49-48=1 Exploring Operation: 86-49=37, Resulting Numbers: [48, 37] Generated Node #0,3,2: 86:[48, 37] Operation: 86-49=37 Exploring Operation: 48+49=97, Resulting Numbers: [86, 97] Generated Node #0,3,3: 86:[86, 97] Operation: 48+49=97 Moving to Node #0,2 Current State: 86:[48, 34, 3], Operations: ['86-83=3'] Exploring Operation: 34+3=37, Resulting Numbers: [48, 37] Generated Node #0,2,0: 86:[48, 37] Operation: 34+3=37 Exploring Operation: 48-3=45, Resulting Numbers: [34, 45] Generated Node #0,2,1: 86:[34, 45] Operation: 48-3=45 Exploring Operation: 48-34=14, Resulting Numbers: [3, 14] Generated Node #0,2,2: 86:[3, 14] Operation: 48-34=14 Exploring Operation: 48+34=82, Resulting Numbers: [3, 82] Generated Node #0,2,3: 86:[3, 82] Operation: 48+34=82 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 86:[3, 82], Operations: ['86-83=3', '48+34=82'] Exploring Operation: 3+82=85, Resulting Numbers: [85] 85,86 unequal: No Solution Exploring Operation: 3*82=246, Resulting Numbers: [246] 246,86 unequal: No Solution Exploring Operation: 82-3=79, Resulting Numbers: [79] 79,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 86:[48, 37], Operations: ['86-83=3', '34+3=37'] Exploring Operation: 48+37=85, Resulting Numbers: [85] 85,86 unequal: No Solution Exploring Operation: 48*37=1776, Resulting Numbers: [1776] 1776,86 unequal: No Solution Exploring Operation: 48-37=11, Resulting Numbers: [11] 11,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 86:[34, 45], Operations: ['86-83=3', '48-3=45'] Exploring Operation: 34+45=79, Resulting Numbers: [79] 79,86 unequal: No Solution Exploring Operation: 34*45=1530, Resulting Numbers: [1530] 1530,86 unequal: No Solution Exploring Operation: 45-34=11, Resulting Numbers: [11] 11,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 86:[3, 14], Operations: ['86-83=3', '48-34=14'] Exploring Operation: 3+14=17, Resulting Numbers: [17] 17,86 unequal: No Solution Exploring Operation: 14-3=11, Resulting Numbers: [11] 11,86 unequal: No Solution Exploring Operation: 3*14=42, Resulting Numbers: [42] 42,86 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: 86:[83, 86, 14], Operations: ['48-34=14'] Exploring Operation: 86-83=3, Resulting Numbers: [14, 3] Generated Node #0,1,0: 86:[14, 3] Operation: 86-83=3 Exploring Operation: 86+14=100, Resulting Numbers: [83, 100] Generated Node #0,1,1: 86:[83, 100] Operation: 86+14=100 Exploring Operation: 83-14=69, Resulting Numbers: [86, 69] Generated Node #0,1,2: 86:[86, 69] Operation: 83-14=69 Exploring Operation: 83+14=97, Resulting Numbers: [86, 97] Generated Node #0,1,3: 86:[86, 97] Operation: 83+14=97 Moving to Node #0,0,0 Current State: 86:[86, 1], Operations: ['48+34=82', '83-82=1'] Exploring Operation: 86/1=86, Resulting Numbers: [86] 86,86 equal: Goal Reached Moving to Node #0 Current State: 86:[48, 83, 86, 34], Operations: [] Exploring Operation: 48+34=82, Resulting Numbers: [83, 86, 82] Generated Node #0,0: 86:[83, 86, 82] Operation: 48+34=82 Moving to Node #0,0 Current State: 86:[83, 86, 82], Operations: ['48+34=82'] Exploring Operation: 83-82=1, Resulting Numbers: [86, 1] Generated Node #0,0,0: 86:[86, 1] Operation: 83-82=1 Moving to Node #0,0,0 Current State: 86:[86, 1], Operations: ['48+34=82', '83-82=1'] Exploring Operation: 86/1=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
0.967882
hs_4
sum_heuristic
[ 28, 35, 23, 93 ]
14
[ "28*35=980", "93-23=70", "980/70=14" ]
Current State: 14:[28, 35, 23, 93], Operations: [] Exploring Operation: 28*35=980, Resulting Numbers: [23, 93, 980] Generated Node #2: [23, 93, 980] from Operation: 28*35=980 Current State: 14:[23, 93, 980], Operations: ['28*35=980'] Exploring Operation: 93-23=70, Resulting Numbers: [980, 70] Generated Node #3: [980, 70] from Operation: 93-23=70 Current State: 14:[980, 70], Operations: ['28*35=980', '93-23=70'] Exploring Operation: 980/70=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
4
Current State: 14:[28, 35, 23, 93], Operations: [] Exploring Operation: 93-35=58, Resulting Numbers: [28, 23, 58] Generated Node #0,0: 14:[28, 23, 58] Operation: 93-35=58 Exploring Operation: 93-28=65, Resulting Numbers: [35, 23, 65] Generated Node #0,1: 14:[35, 23, 65] Operation: 93-28=65 Start Sub Search at level 1: Moving to Node #0,0 Current State: 14:[28, 23, 58], Operations: ['93-35=58'] Exploring Operation: 58-28=30, Resulting Numbers: [23, 30] Generated Node #0,0,0: 14:[23, 30] Operation: 58-28=30 Exploring Operation: 58-23=35, Resulting Numbers: [28, 35] Generated Node #0,0,1: 14:[28, 35] Operation: 58-23=35 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 14:[23, 30], Operations: ['93-35=58', '58-28=30'] Exploring Operation: 23+30=53, Resulting Numbers: [53] 53,14 unequal: No Solution Exploring Operation: 30-23=7, Resulting Numbers: [7] 7,14 unequal: No Solution No 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: 14:[28, 35], Operations: ['93-35=58', '58-23=35'] Exploring Operation: 28+35=63, Resulting Numbers: [63] 63,14 unequal: No Solution Exploring Operation: 35-28=7, Resulting Numbers: [7] 7,14 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: 14:[35, 23, 65], Operations: ['93-28=65'] Exploring Operation: 65-35=30, Resulting Numbers: [23, 30] Generated Node #0,1,0: 14:[23, 30] Operation: 65-35=30 Exploring Operation: 65-23=42, Resulting Numbers: [35, 42] Generated Node #0,1,1: 14:[35, 42] Operation: 65-23=42 Moving to Node #0,1,0 Current State: 14:[23, 30], Operations: ['93-28=65', '65-35=30'] Exploring Operation: 23+30=53, Resulting Numbers: [53] 53,14 unequal: No Solution Exploring Operation: 30-23=7, Resulting Numbers: [7] 7,14 unequal: No Solution Moving to Node #0,1,1 Current State: 14:[35, 42], Operations: ['93-28=65', '65-23=42'] Exploring Operation: 42-35=7, Resulting Numbers: [7] 7,14 unequal: No Solution Exploring Operation: 35+42=77, Resulting Numbers: [77] 77,14 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
[ 33, 14, 87, 6 ]
11
[ "14*6=84", "87-84=3", "33/3=11" ]
Current State: 11:[33, 14, 87, 6], Operations: [] Exploring Operation: 14*6=84, Resulting Numbers: [33, 87, 84] Generated Node #2: [33, 87, 84] from Operation: 14*6=84 Current State: 11:[33, 87, 84], Operations: ['14*6=84'] Exploring Operation: 87-84=3, Resulting Numbers: [33, 3] Generated Node #3: [33, 3] from Operation: 87-84=3 Current State: 11:[33, 3], Operations: ['14*6=84', '87-84=3'] Exploring Operation: 33/3=11, Resulting Numbers: [11] 11,11 equal: Goal Reached
4
Current State: 11:[33, 14, 87, 6], Operations: [] Exploring Operation: 87-33=54, Resulting Numbers: [14, 6, 54] Generated Node #0,0: 11:[14, 6, 54] Operation: 87-33=54 Exploring Operation: 33-14=19, Resulting Numbers: [87, 6, 19] Generated Node #0,1: 11:[87, 6, 19] Operation: 33-14=19 Exploring Operation: 87-14=73, Resulting Numbers: [33, 6, 73] Generated Node #0,2: 11:[33, 6, 73] Operation: 87-14=73 Moving to Node #0,0 Current State: 11:[14, 6, 54], Operations: ['87-33=54'] Exploring Operation: 54/6=9, Resulting Numbers: [14, 9] Generated Node #0,0,0: 11:[14, 9] Operation: 54/6=9 Exploring Operation: 54-14=40, Resulting Numbers: [6, 40] Generated Node #0,0,1: 11:[6, 40] Operation: 54-14=40 Exploring Operation: 54-6=48, Resulting Numbers: [14, 48] Generated Node #0,0,2: 11:[14, 48] Operation: 54-6=48 Moving to Node #0,1 Current State: 11:[87, 6, 19], Operations: ['33-14=19'] Exploring Operation: 19-6=13, Resulting Numbers: [87, 13] Generated Node #0,1,0: 11:[87, 13] Operation: 19-6=13 Exploring Operation: 87-19=68, Resulting Numbers: [6, 68] Generated Node #0,1,1: 11:[6, 68] Operation: 87-19=68 Exploring Operation: 87-6=81, Resulting Numbers: [19, 81] Generated Node #0,1,2: 11:[19, 81] Operation: 87-6=81 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 11:[6, 68], Operations: ['33-14=19', '87-19=68'] Exploring Operation: 68-6=62, Resulting Numbers: [62] 62,11 unequal: No Solution Exploring Operation: 6+68=74, Resulting Numbers: [74] 74,11 unequal: No Solution Exploring Operation: 6*68=408, Resulting Numbers: [408] 408,11 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 11:[87, 13], Operations: ['33-14=19', '19-6=13'] Exploring Operation: 87-13=74, Resulting Numbers: [74] 74,11 unequal: No Solution Exploring Operation: 87*13=1131, Resulting Numbers: [1131] 1131,11 unequal: No Solution Exploring Operation: 87+13=100, Resulting Numbers: [100] 100,11 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 11:[19, 81], Operations: ['33-14=19', '87-6=81'] Exploring Operation: 19+81=100, Resulting Numbers: [100] 100,11 unequal: No Solution Exploring Operation: 19*81=1539, Resulting Numbers: [1539] 1539,11 unequal: No Solution Exploring Operation: 81-19=62, Resulting Numbers: [62] 62,11 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: 11:[33, 6, 73], Operations: ['87-14=73'] Exploring Operation: 73-33=40, Resulting Numbers: [6, 40] Generated Node #0,2,0: 11:[6, 40] Operation: 73-33=40 Exploring Operation: 73-6=67, Resulting Numbers: [33, 67] Generated Node #0,2,1: 11:[33, 67] Operation: 73-6=67 Exploring Operation: 33-6=27, Resulting Numbers: [73, 27] Generated Node #0,2,2: 11:[73, 27] Operation: 33-6=27 Moving to Node #0,0,0 Current State: 11:[14, 9], Operations: ['87-33=54', '54/6=9'] Exploring Operation: 14*9=126, Resulting Numbers: [126] 126,11 unequal: No Solution Exploring Operation: 14-9=5, Resulting Numbers: [5] 5,11 unequal: No Solution Exploring Operation: 14+9=23, Resulting Numbers: [23] 23,11 unequal: No Solution Moving to Node #0,0,1 Current State: 11:[6, 40], Operations: ['87-33=54', '54-14=40'] Exploring Operation: 6*40=240, Resulting Numbers: [240] 240,11 unequal: No Solution Exploring Operation: 40-6=34, Resulting Numbers: [34] 34,11 unequal: No Solution Exploring Operation: 6+40=46, Resulting Numbers: [46] 46,11 unequal: No Solution Moving to Node #0,2,0 Current State: 11:[6, 40], Operations: ['87-14=73', '73-33=40'] Exploring Operation: 6+40=46, Resulting Numbers: [46] 46,11 unequal: No Solution Exploring Operation: 6*40=240, Resulting Numbers: [240] 240,11 unequal: No Solution Exploring Operation: 40-6=34, Resulting Numbers: [34] 34,11 unequal: No Solution Moving to Node #0,0,2 Current State: 11:[14, 48], Operations: ['87-33=54', '54-6=48'] Exploring Operation: 48-14=34, Resulting Numbers: [34] 34,11 unequal: No Solution Exploring Operation: 14*48=672, Resulting Numbers: [672] 672,11 unequal: No Solution Exploring Operation: 14+48=62, Resulting Numbers: [62] 62,11 unequal: No Solution Moving to Node #0,2,2 Current State: 11:[73, 27], Operations: ['87-14=73', '33-6=27'] Exploring Operation: 73-27=46, Resulting Numbers: [46] 46,11 unequal: No Solution Exploring Operation: 73+27=100, Resulting Numbers: [100] 100,11 unequal: No Solution Exploring Operation: 73*27=1971, Resulting Numbers: [1971] 1971,11 unequal: No Solution Moving to Node #0,2,1 Current State: 11:[33, 67], Operations: ['87-14=73', '73-6=67'] Exploring Operation: 33+67=100, Resulting Numbers: [100] 100,11 unequal: No Solution Exploring Operation: 33*67=2211, Resulting Numbers: [2211] 2211,11 unequal: No Solution Exploring Operation: 67-33=34, Resulting Numbers: [34] 34,11 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 53, 2, 1, 98 ]
15
[ "98-53=45", "2+1=3", "45/3=15" ]
Current State: 15:[53, 2, 1, 98], Operations: [] Exploring Operation: 98-53=45, Resulting Numbers: [2, 1, 45] Generated Node #2: [2, 1, 45] from Operation: 98-53=45 Current State: 15:[2, 1, 45], Operations: ['98-53=45'] Exploring Operation: 2+1=3, Resulting Numbers: [45, 3] Generated Node #3: [45, 3] from Operation: 2+1=3 Current State: 15:[45, 3], Operations: ['98-53=45', '2+1=3'] Exploring Operation: 45/3=15, Resulting Numbers: [15] 15,15 equal: Goal Reached
4
Current State: 15:[53, 2, 1, 98], Operations: [] Exploring Operation: 53-2=51, Resulting Numbers: [1, 98, 51] Generated Node #0,0: 15:[1, 98, 51] Operation: 53-2=51 Exploring Operation: 98/2=49, Resulting Numbers: [53, 1, 49] Generated Node #0,1: 15:[53, 1, 49] Operation: 98/2=49 Exploring Operation: 98-53=45, Resulting Numbers: [2, 1, 45] Generated Node #0,2: 15:[2, 1, 45] Operation: 98-53=45 Start Sub Search at level 1: Moving to Node #0,2 Current State: 15:[2, 1, 45], Operations: ['98-53=45'] Exploring Operation: 45-2=43, Resulting Numbers: [1, 43] Generated Node #0,2,0: 15:[1, 43] Operation: 45-2=43 Exploring Operation: 2+1=3, Resulting Numbers: [45, 3] Generated Node #0,2,1: 15:[45, 3] Operation: 2+1=3 Exploring Operation: 45-1=44, Resulting Numbers: [2, 44] Generated Node #0,2,2: 15:[2, 44] Operation: 45-1=44 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 15:[1, 43], Operations: ['98-53=45', '45-2=43'] Exploring Operation: 43/1=43, Resulting Numbers: [43] 43,15 unequal: No Solution Exploring Operation: 43-1=42, Resulting Numbers: [42] 42,15 unequal: No Solution Exploring Operation: 1*43=43, Resulting Numbers: [43] 43,15 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:[45, 3], Operations: ['98-53=45', '2+1=3'] Exploring Operation: 45+3=48, Resulting Numbers: [48] 48,15 unequal: No Solution Exploring Operation: 45-3=42, Resulting Numbers: [42] 42,15 unequal: No Solution Exploring Operation: 45/3=15, Resulting Numbers: [15] 15,15 equal: Goal Reached Moving to Node #0 Current State: 15:[53, 2, 1, 98], Operations: [] Exploring Operation: 98-53=45, Resulting Numbers: [2, 1, 45] Generated Node #0,2: 15:[2, 1, 45] Operation: 98-53=45 Moving to Node #0,2 Current State: 15:[2, 1, 45], Operations: ['98-53=45'] Exploring Operation: 2+1=3, Resulting Numbers: [45, 3] Generated Node #0,2,1: 15:[45, 3] Operation: 2+1=3 Moving to Node #0,2,1 Current State: 15:[45, 3], Operations: ['98-53=45', '2+1=3'] Exploring Operation: 45/3=15, Resulting Numbers: [15] 15,15 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986111
hs_3
mult_heuristic
[ 91, 28, 56, 43 ]
50
[ "91-28=63", "56-43=13", "63-13=50" ]
Current State: 50:[91, 28, 56, 43], Operations: [] Exploring Operation: 91-28=63, Resulting Numbers: [56, 43, 63] Generated Node #2: [56, 43, 63] from Operation: 91-28=63 Current State: 50:[56, 43, 63], Operations: ['91-28=63'] Exploring Operation: 56-43=13, Resulting Numbers: [63, 13] Generated Node #3: [63, 13] from Operation: 56-43=13 Current State: 50:[63, 13], Operations: ['91-28=63', '56-43=13'] Exploring Operation: 63-13=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[91, 28, 56, 43], Operations: [] Exploring Operation: 91-43=48, Resulting Numbers: [28, 56, 48] Generated Node #0,0: 50:[28, 56, 48] Operation: 91-43=48 Exploring Operation: 91-28=63, Resulting Numbers: [56, 43, 63] Generated Node #0,1: 50:[56, 43, 63] Operation: 91-28=63 Exploring Operation: 91-56=35, Resulting Numbers: [28, 43, 35] Generated Node #0,2: 50:[28, 43, 35] Operation: 91-56=35 Moving to Node #0,0 Current State: 50:[28, 56, 48], Operations: ['91-43=48'] Exploring Operation: 56-28=28, Resulting Numbers: [48, 28] Generated Node #0,0,0: 50:[48, 28] Operation: 56-28=28 Exploring Operation: 56/28=2, Resulting Numbers: [48, 2] Generated Node #0,0,1: 50:[48, 2] Operation: 56/28=2 Exploring Operation: 56-48=8, Resulting Numbers: [28, 8] Generated Node #0,0,2: 50:[28, 8] Operation: 56-48=8 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 50:[48, 2], Operations: ['91-43=48', '56/28=2'] Exploring Operation: 48+2=50, Resulting Numbers: [50] 50,50 equal: Goal Reached Moving to Node #0 Current State: 50:[91, 28, 56, 43], Operations: [] Exploring Operation: 91-43=48, Resulting Numbers: [28, 56, 48] Generated Node #0,0: 50:[28, 56, 48] Operation: 91-43=48 Moving to Node #0,0 Current State: 50:[28, 56, 48], Operations: ['91-43=48'] Exploring Operation: 56/28=2, Resulting Numbers: [48, 2] Generated Node #0,0,1: 50:[48, 2] Operation: 56/28=2 Moving to Node #0,0,1 Current State: 50:[48, 2], Operations: ['91-43=48', '56/28=2'] Exploring Operation: 48+2=50, Resulting Numbers: [50] 50,50 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_3
sum_heuristic
[ 76, 66, 33, 29 ]
49
[ "76-29=47", "66/33=2", "47+2=49" ]
Current State: 49:[76, 66, 33, 29], Operations: [] Exploring Operation: 76-29=47, Resulting Numbers: [66, 33, 47] Generated Node #2: [66, 33, 47] from Operation: 76-29=47 Current State: 49:[66, 33, 47], Operations: ['76-29=47'] Exploring Operation: 66/33=2, Resulting Numbers: [47, 2] Generated Node #3: [47, 2] from Operation: 66/33=2 Current State: 49:[47, 2], Operations: ['76-29=47', '66/33=2'] Exploring Operation: 47+2=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
4
Current State: 49:[76, 66, 33, 29], Operations: [] Exploring Operation: 76-29=47, Resulting Numbers: [66, 33, 47] Generated Node #0,0: 49:[66, 33, 47] Operation: 76-29=47 Exploring Operation: 76-66=10, Resulting Numbers: [33, 29, 10] Generated Node #0,1: 49:[33, 29, 10] Operation: 76-66=10 Moving to Node #0,0 Current State: 49:[66, 33, 47], Operations: ['76-29=47'] Exploring Operation: 66-33=33, Resulting Numbers: [47, 33] Generated Node #0,0,0: 49:[47, 33] Operation: 66-33=33 Exploring Operation: 66/33=2, Resulting Numbers: [47, 2] Generated Node #0,0,1: 49:[47, 2] Operation: 66/33=2 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 49:[47, 2], Operations: ['76-29=47', '66/33=2'] Exploring Operation: 47-2=45, Resulting Numbers: [45] 45,49 unequal: No Solution Exploring Operation: 47+2=49, Resulting Numbers: [49] 49,49 equal: Goal Reached Moving to Node #0 Current State: 49:[76, 66, 33, 29], Operations: [] Exploring Operation: 76-29=47, Resulting Numbers: [66, 33, 47] Generated Node #0,0: 49:[66, 33, 47] Operation: 76-29=47 Moving to Node #0,0 Current State: 49:[66, 33, 47], Operations: ['76-29=47'] Exploring Operation: 66/33=2, Resulting Numbers: [47, 2] Generated Node #0,0,1: 49:[47, 2] Operation: 66/33=2 Moving to Node #0,0,1 Current State: 49:[47, 2], Operations: ['76-29=47', '66/33=2'] Exploring Operation: 47+2=49, Resulting Numbers: [49] 49,49 equal: Goal Reached Exit Sub Search at level 1
0.991319
hs_2
sum_heuristic
[ 32, 48, 43, 40 ]
47
[ "48-40=8", "32/8=4", "43+4=47" ]
Current State: 47:[32, 48, 43, 40], Operations: [] Exploring Operation: 48-40=8, Resulting Numbers: [32, 43, 8] Generated Node #2: [32, 43, 8] from Operation: 48-40=8 Current State: 47:[32, 43, 8], Operations: ['48-40=8'] Exploring Operation: 32/8=4, Resulting Numbers: [43, 4] Generated Node #3: [43, 4] from Operation: 32/8=4 Current State: 47:[43, 4], Operations: ['48-40=8', '32/8=4'] Exploring Operation: 43+4=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[32, 48, 43, 40], Operations: [] Exploring Operation: 32+40=72, Resulting Numbers: [48, 43, 72] Generated Node #0,0: 47:[48, 43, 72] Operation: 32+40=72 Start Sub Search at level 1: Moving to Node #0,0 Current State: 47:[48, 43, 72], Operations: ['32+40=72'] Exploring Operation: 72-43=29, Resulting Numbers: [48, 29] Generated Node #0,0,0: 47:[48, 29] Operation: 72-43=29 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 47:[48, 29], Operations: ['32+40=72', '72-43=29'] Exploring Operation: 48-29=19, Resulting Numbers: [19] 19,47 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 73, 78, 2, 3 ]
71
[ "73*2=146", "78-3=75", "146-75=71" ]
Current State: 71:[73, 78, 2, 3], Operations: [] Exploring Operation: 73*2=146, Resulting Numbers: [78, 3, 146] Generated Node #2: [78, 3, 146] from Operation: 73*2=146 Current State: 71:[78, 3, 146], Operations: ['73*2=146'] Exploring Operation: 78-3=75, Resulting Numbers: [146, 75] Generated Node #3: [146, 75] from Operation: 78-3=75 Current State: 71:[146, 75], Operations: ['73*2=146', '78-3=75'] Exploring Operation: 146-75=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
4
Current State: 71:[73, 78, 2, 3], Operations: [] Exploring Operation: 2*3=6, Resulting Numbers: [73, 78, 6] Generated Node #0,0: 71:[73, 78, 6] Operation: 2*3=6 Exploring Operation: 78-2=76, Resulting Numbers: [73, 3, 76] Generated Node #0,1: 71:[73, 3, 76] Operation: 78-2=76 Exploring Operation: 73-2=71, Resulting Numbers: [78, 3, 71] Generated Node #0,2: 71:[78, 3, 71] Operation: 73-2=71 Moving to Node #0,0 Current State: 71:[73, 78, 6], Operations: ['2*3=6'] Exploring Operation: 78-6=72, Resulting Numbers: [73, 72] Generated Node #0,0,0: 71:[73, 72] Operation: 78-6=72 Exploring Operation: 73+6=79, Resulting Numbers: [78, 79] Generated Node #0,0,1: 71:[78, 79] Operation: 73+6=79 Exploring Operation: 73-6=67, Resulting Numbers: [78, 67] Generated Node #0,0,2: 71:[78, 67] Operation: 73-6=67 Moving to Node #0,1 Current State: 71:[73, 3, 76], Operations: ['78-2=76'] Exploring Operation: 73+3=76, Resulting Numbers: [76, 76] Generated Node #0,1,0: 71:[76, 76] Operation: 73+3=76 Exploring Operation: 76-3=73, Resulting Numbers: [73, 73] Generated Node #0,1,1: 71:[73, 73] Operation: 76-3=73 Exploring Operation: 73-3=70, Resulting Numbers: [76, 70] Generated Node #0,1,2: 71:[76, 70] Operation: 73-3=70 Moving to Node #0,2 Current State: 71:[78, 3, 71], Operations: ['73-2=71'] Exploring Operation: 78-3=75, Resulting Numbers: [71, 75] Generated Node #0,2,0: 71:[71, 75] Operation: 78-3=75 Exploring Operation: 3+71=74, Resulting Numbers: [78, 74] Generated Node #0,2,1: 71:[78, 74] Operation: 3+71=74 Exploring Operation: 78+3=81, Resulting Numbers: [71, 81] Generated Node #0,2,2: 71:[71, 81] Operation: 78+3=81 Moving to Node #0,0,0 Current State: 71:[73, 72], Operations: ['2*3=6', '78-6=72'] Exploring Operation: 73*72=5256, Resulting Numbers: [5256] 5256,71 unequal: No Solution Exploring Operation: 73+72=145, Resulting Numbers: [145] 145,71 unequal: No Solution Exploring Operation: 73-72=1, Resulting Numbers: [1] 1,71 unequal: No Solution Moving to Node #0,2,0 Current State: 71:[71, 75], Operations: ['73-2=71', '78-3=75'] Exploring Operation: 71+75=146, Resulting Numbers: [146] 146,71 unequal: No Solution Exploring Operation: 71*75=5325, Resulting Numbers: [5325] 5325,71 unequal: No Solution Exploring Operation: 75-71=4, Resulting Numbers: [4] 4,71 unequal: No Solution Moving to Node #0,1,1 Current State: 71:[73, 73], Operations: ['78-2=76', '76-3=73'] Exploring Operation: 73+73=146, Resulting Numbers: [146] 146,71 unequal: No Solution Exploring Operation: 73-73=0, Resulting Numbers: [0] 0,71 unequal: No Solution Exploring Operation: 73/73=1, Resulting Numbers: [1] 1,71 unequal: No Solution Moving to Node #0,1,2 Current State: 71:[76, 70], Operations: ['78-2=76', '73-3=70'] Exploring Operation: 76+70=146, Resulting Numbers: [146] 146,71 unequal: No Solution Exploring Operation: 76*70=5320, Resulting Numbers: [5320] 5320,71 unequal: No Solution Exploring Operation: 76-70=6, Resulting Numbers: [6] 6,71 unequal: No Solution Moving to Node #0,1,0 Current State: 71:[76, 76], Operations: ['78-2=76', '73+3=76'] Exploring Operation: 76/76=1, Resulting Numbers: [1] 1,71 unequal: No Solution Exploring Operation: 76+76=152, Resulting Numbers: [152] 152,71 unequal: No Solution Exploring Operation: 76-76=0, Resulting Numbers: [0] 0,71 unequal: No Solution Moving to Node #0,2,1 Current State: 71:[78, 74], Operations: ['73-2=71', '3+71=74'] Exploring Operation: 78+74=152, Resulting Numbers: [152] 152,71 unequal: No Solution Exploring Operation: 78*74=5772, Resulting Numbers: [5772] 5772,71 unequal: No Solution Exploring Operation: 78-74=4, Resulting Numbers: [4] 4,71 unequal: No Solution Moving to Node #0,2,2 Current State: 71:[71, 81], Operations: ['73-2=71', '78+3=81'] Exploring Operation: 71+81=152, Resulting Numbers: [152] 152,71 unequal: No Solution Exploring Operation: 71*81=5751, Resulting Numbers: [5751] 5751,71 unequal: No Solution Exploring Operation: 81-71=10, Resulting Numbers: [10] 10,71 unequal: No Solution Moving to Node #0,0,2 Current State: 71:[78, 67], Operations: ['2*3=6', '73-6=67'] Exploring Operation: 78-67=11, Resulting Numbers: [11] 11,71 unequal: No Solution Exploring Operation: 78*67=5226, Resulting Numbers: [5226] 5226,71 unequal: No Solution Exploring Operation: 78+67=145, Resulting Numbers: [145] 145,71 unequal: No Solution Moving to Node #0,0,1 Current State: 71:[78, 79], Operations: ['2*3=6', '73+6=79'] Exploring Operation: 78*79=6162, Resulting Numbers: [6162] 6162,71 unequal: No Solution Exploring Operation: 78+79=157, Resulting Numbers: [157] 157,71 unequal: No Solution Exploring Operation: 79-78=1, Resulting Numbers: [1] 1,71 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 5, 9, 69, 46 ]
22
[ "5*9=45", "69-46=23", "45-23=22" ]
Current State: 22:[5, 9, 69, 46], Operations: [] Exploring Operation: 5*9=45, Resulting Numbers: [69, 46, 45] Generated Node #2: [69, 46, 45] from Operation: 5*9=45 Current State: 22:[69, 46, 45], Operations: ['5*9=45'] Exploring Operation: 69-46=23, Resulting Numbers: [45, 23] Generated Node #3: [45, 23] from Operation: 69-46=23 Current State: 22:[45, 23], Operations: ['5*9=45', '69-46=23'] Exploring Operation: 45-23=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
4
Current State: 22:[5, 9, 69, 46], Operations: [] Exploring Operation: 46-5=41, Resulting Numbers: [9, 69, 41] Generated Node #0,0: 22:[9, 69, 41] Operation: 46-5=41 Exploring Operation: 69-9=60, Resulting Numbers: [5, 46, 60] Generated Node #0,1: 22:[5, 46, 60] Operation: 69-9=60 Exploring Operation: 46-9=37, Resulting Numbers: [5, 69, 37] Generated Node #0,2: 22:[5, 69, 37] Operation: 46-9=37 Exploring Operation: 69-46=23, Resulting Numbers: [5, 9, 23] Generated Node #0,3: 22:[5, 9, 23] Operation: 69-46=23 Exploring Operation: 69-5=64, Resulting Numbers: [9, 46, 64] Generated Node #0,4: 22:[9, 46, 64] Operation: 69-5=64 Moving to Node #0,3 Current State: 22:[5, 9, 23], Operations: ['69-46=23'] Exploring Operation: 23-5=18, Resulting Numbers: [9, 18] Generated Node #0,3,0: 22:[9, 18] Operation: 23-5=18 Exploring Operation: 5+9=14, Resulting Numbers: [23, 14] Generated Node #0,3,1: 22:[23, 14] Operation: 5+9=14 Exploring Operation: 5+23=28, Resulting Numbers: [9, 28] Generated Node #0,3,2: 22:[9, 28] Operation: 5+23=28 Exploring Operation: 23-9=14, Resulting Numbers: [5, 14] Generated Node #0,3,3: 22:[5, 14] Operation: 23-9=14 Exploring Operation: 9-5=4, Resulting Numbers: [23, 4] Generated Node #0,3,4: 22:[23, 4] Operation: 9-5=4 Moving to Node #0,2 Current State: 22:[5, 69, 37], Operations: ['46-9=37'] Exploring Operation: 5+69=74, Resulting Numbers: [37, 74] Generated Node #0,2,0: 22:[37, 74] Operation: 5+69=74 Exploring Operation: 69-37=32, Resulting Numbers: [5, 32] Generated Node #0,2,1: 22:[5, 32] Operation: 69-37=32 Exploring Operation: 37-5=32, Resulting Numbers: [69, 32] Generated Node #0,2,2: 22:[69, 32] Operation: 37-5=32 Exploring Operation: 69-5=64, Resulting Numbers: [37, 64] Generated Node #0,2,3: 22:[37, 64] Operation: 69-5=64 Exploring Operation: 5+37=42, Resulting Numbers: [69, 42] Generated Node #0,2,4: 22:[69, 42] Operation: 5+37=42 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 22:[5, 32], Operations: ['46-9=37', '69-37=32'] Exploring Operation: 5*32=160, Resulting Numbers: [160] 160,22 unequal: No Solution Exploring Operation: 32-5=27, Resulting Numbers: [27] 27,22 unequal: No Solution Exploring Operation: 5+32=37, Resulting Numbers: [37] 37,22 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 22:[69, 32], Operations: ['46-9=37', '37-5=32'] Exploring Operation: 69-32=37, Resulting Numbers: [37] 37,22 unequal: No Solution Exploring Operation: 69+32=101, Resulting Numbers: [101] 101,22 unequal: No Solution Exploring Operation: 69*32=2208, Resulting Numbers: [2208] 2208,22 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 22:[37, 64], Operations: ['46-9=37', '69-5=64'] Exploring Operation: 37*64=2368, Resulting Numbers: [2368] 2368,22 unequal: No Solution Exploring Operation: 37+64=101, Resulting Numbers: [101] 101,22 unequal: No Solution Exploring Operation: 64-37=27, Resulting Numbers: [27] 27,22 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 22:[37, 74], Operations: ['46-9=37', '5+69=74'] Exploring Operation: 74-37=37, Resulting Numbers: [37] 37,22 unequal: No Solution Exploring Operation: 37*74=2738, Resulting Numbers: [2738] 2738,22 unequal: No Solution Exploring Operation: 37+74=111, Resulting Numbers: [111] 111,22 unequal: No Solution Exploring Operation: 74/37=2, Resulting Numbers: [2] 2,22 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 22:[69, 42], Operations: ['46-9=37', '5+37=42'] Exploring Operation: 69*42=2898, Resulting Numbers: [2898] 2898,22 unequal: No Solution Exploring Operation: 69+42=111, Resulting Numbers: [111] 111,22 unequal: No Solution Exploring Operation: 69-42=27, Resulting Numbers: [27] 27,22 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: 22:[5, 46, 60], Operations: ['69-9=60'] Exploring Operation: 5+46=51, Resulting Numbers: [60, 51] Generated Node #0,1,0: 22:[60, 51] Operation: 5+46=51 Exploring Operation: 60/5=12, Resulting Numbers: [46, 12] Generated Node #0,1,1: 22:[46, 12] Operation: 60/5=12 Exploring Operation: 60-46=14, Resulting Numbers: [5, 14] Generated Node #0,1,2: 22:[5, 14] Operation: 60-46=14 Exploring Operation: 60-5=55, Resulting Numbers: [46, 55] Generated Node #0,1,3: 22:[46, 55] Operation: 60-5=55 Exploring Operation: 46-5=41, Resulting Numbers: [60, 41] Generated Node #0,1,4: 22:[60, 41] Operation: 46-5=41 Moving to Node #0,0 Current State: 22:[9, 69, 41], Operations: ['46-5=41'] Exploring Operation: 9+69=78, Resulting Numbers: [41, 78] Generated Node #0,0,0: 22:[41, 78] Operation: 9+69=78 Exploring Operation: 69-41=28, Resulting Numbers: [9, 28] Generated Node #0,0,1: 22:[9, 28] Operation: 69-41=28 Exploring Operation: 69-9=60, Resulting Numbers: [41, 60] Generated Node #0,0,2: 22:[41, 60] Operation: 69-9=60 Exploring Operation: 9+41=50, Resulting Numbers: [69, 50] Generated Node #0,0,3: 22:[69, 50] Operation: 9+41=50 Exploring Operation: 41-9=32, Resulting Numbers: [69, 32] Generated Node #0,0,4: 22:[69, 32] Operation: 41-9=32 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 22:[9, 28], Operations: ['46-5=41', '69-41=28'] Exploring Operation: 9+28=37, Resulting Numbers: [37] 37,22 unequal: No Solution Exploring Operation: 9*28=252, Resulting Numbers: [252] 252,22 unequal: No Solution Exploring Operation: 28-9=19, Resulting Numbers: [19] 19,22 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 22:[41, 60], Operations: ['46-5=41', '69-9=60'] Exploring Operation: 41*60=2460, Resulting Numbers: [2460] 2460,22 unequal: No Solution Exploring Operation: 60-41=19, Resulting Numbers: [19] 19,22 unequal: No Solution Exploring Operation: 41+60=101, Resulting Numbers: [101] 101,22 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 22:[69, 32], Operations: ['46-5=41', '41-9=32'] Exploring Operation: 69-32=37, Resulting Numbers: [37] 37,22 unequal: No Solution Exploring Operation: 69*32=2208, Resulting Numbers: [2208] 2208,22 unequal: No Solution Exploring Operation: 69+32=101, Resulting Numbers: [101] 101,22 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 22:[41, 78], Operations: ['46-5=41', '9+69=78'] Exploring Operation: 78-41=37, Resulting Numbers: [37] 37,22 unequal: No Solution Exploring Operation: 41*78=3198, Resulting Numbers: [3198] 3198,22 unequal: No Solution Exploring Operation: 41+78=119, Resulting Numbers: [119] 119,22 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 22:[69, 50], Operations: ['46-5=41', '9+41=50'] Exploring Operation: 69+50=119, Resulting Numbers: [119] 119,22 unequal: No Solution Exploring Operation: 69*50=3450, Resulting Numbers: [3450] 3450,22 unequal: No Solution Exploring Operation: 69-50=19, Resulting Numbers: [19] 19,22 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: 22:[9, 46, 64], Operations: ['69-5=64'] Exploring Operation: 64-9=55, Resulting Numbers: [46, 55] Generated Node #0,4,0: 22:[46, 55] Operation: 64-9=55 Exploring Operation: 9+64=73, Resulting Numbers: [46, 73] Generated Node #0,4,1: 22:[46, 73] Operation: 9+64=73 Exploring Operation: 9+46=55, Resulting Numbers: [64, 55] Generated Node #0,4,2: 22:[64, 55] Operation: 9+46=55 Exploring Operation: 46-9=37, Resulting Numbers: [64, 37] Generated Node #0,4,3: 22:[64, 37] Operation: 46-9=37 Exploring Operation: 64-46=18, Resulting Numbers: [9, 18] Generated Node #0,4,4: 22:[9, 18] Operation: 64-46=18 Moving to Node #0,3,4 Current State: 22:[23, 4], Operations: ['69-46=23', '9-5=4'] Exploring Operation: 23-4=19, Resulting Numbers: [19] 19,22 unequal: No Solution Exploring Operation: 23*4=92, Resulting Numbers: [92] 92,22 unequal: No Solution Exploring Operation: 23+4=27, Resulting Numbers: [27] 27,22 unequal: No Solution Moving to Node #0,3,1 Current State: 22:[23, 14], Operations: ['69-46=23', '5+9=14'] Exploring Operation: 23*14=322, Resulting Numbers: [322] 322,22 unequal: No Solution Exploring Operation: 23+14=37, Resulting Numbers: [37] 37,22 unequal: No Solution Exploring Operation: 23-14=9, Resulting Numbers: [9] 9,22 unequal: No Solution Moving to Node #0,3,0 Current State: 22:[9, 18], Operations: ['69-46=23', '23-5=18'] Exploring Operation: 9+18=27, Resulting Numbers: [27] 27,22 unequal: No Solution Exploring Operation: 18-9=9, Resulting Numbers: [9] 9,22 unequal: No Solution Exploring Operation: 9*18=162, Resulting Numbers: [162] 162,22 unequal: No Solution Exploring Operation: 18/9=2, Resulting Numbers: [2] 2,22 unequal: No Solution Moving to Node #0,1,2 Current State: 22:[5, 14], Operations: ['69-9=60', '60-46=14'] Exploring Operation: 14-5=9, Resulting Numbers: [9] 9,22 unequal: No Solution Exploring Operation: 5*14=70, Resulting Numbers: [70] 70,22 unequal: No Solution Exploring Operation: 5+14=19, Resulting Numbers: [19] 19,22 unequal: No Solution Moving to Node #0,4,4 Current State: 22:[9, 18], Operations: ['69-5=64', '64-46=18'] Exploring Operation: 9*18=162, Resulting Numbers: [162] 162,22 unequal: No Solution Exploring Operation: 18-9=9, Resulting Numbers: [9] 9,22 unequal: No Solution Exploring Operation: 9+18=27, Resulting Numbers: [27] 27,22 unequal: No Solution Exploring Operation: 18/9=2, Resulting Numbers: [2] 2,22 unequal: No Solution Moving to Node #0,3,3 Current State: 22:[5, 14], Operations: ['69-46=23', '23-9=14'] Exploring Operation: 5*14=70, Resulting Numbers: [70] 70,22 unequal: No Solution Exploring Operation: 14-5=9, Resulting Numbers: [9] 9,22 unequal: No Solution Exploring Operation: 5+14=19, Resulting Numbers: [19] 19,22 unequal: No Solution Moving to Node #0,3,2 Current State: 22:[9, 28], Operations: ['69-46=23', '5+23=28'] Exploring Operation: 9*28=252, Resulting Numbers: [252] 252,22 unequal: No Solution Exploring Operation: 28-9=19, Resulting Numbers: [19] 19,22 unequal: No Solution Exploring Operation: 9+28=37, Resulting Numbers: [37] 37,22 unequal: No Solution Moving to Node #0,1,1 Current State: 22:[46, 12], Operations: ['69-9=60', '60/5=12'] Exploring Operation: 46*12=552, Resulting Numbers: [552] 552,22 unequal: No Solution Exploring Operation: 46-12=34, Resulting Numbers: [34] 34,22 unequal: No Solution Exploring Operation: 46+12=58, Resulting Numbers: [58] 58,22 unequal: No Solution Moving to Node #0,4,3 Current State: 22:[64, 37], Operations: ['69-5=64', '46-9=37'] Exploring Operation: 64-37=27, Resulting Numbers: [27] 27,22 unequal: No Solution Exploring Operation: 64+37=101, Resulting Numbers: [101] 101,22 unequal: No Solution Exploring Operation: 64*37=2368, Resulting Numbers: [2368] 2368,22 unequal: No Solution Moving to Node #0,1,3 Current State: 22:[46, 55], Operations: ['69-9=60', '60-5=55'] Exploring Operation: 46*55=2530, Resulting Numbers: [2530] 2530,22 unequal: No Solution Exploring Operation: 55-46=9, Resulting Numbers: [9] 9,22 unequal: No Solution Exploring Operation: 46+55=101, Resulting Numbers: [101] 101,22 unequal: No Solution Moving to Node #0,1,4 Current State: 22:[60, 41], Operations: ['69-9=60', '46-5=41'] Exploring Operation: 60+41=101, Resulting Numbers: [101] 101,22 unequal: No Solution Exploring Operation: 60-41=19, Resulting Numbers: [19] 19,22 unequal: No Solution Exploring Operation: 60*41=2460, Resulting Numbers: [2460] 2460,22 unequal: No Solution Moving to Node #0,4,0 Current State: 22:[46, 55], Operations: ['69-5=64', '64-9=55'] Exploring Operation: 46*55=2530, Resulting Numbers: [2530] 2530,22 unequal: No Solution Exploring Operation: 55-46=9, Resulting Numbers: [9] 9,22 unequal: No Solution Exploring Operation: 46+55=101, Resulting Numbers: [101] 101,22 unequal: No Solution Moving to Node #0,1,0 Current State: 22:[60, 51], Operations: ['69-9=60', '5+46=51'] Exploring Operation: 60*51=3060, Resulting Numbers: [3060] 3060,22 unequal: No Solution Exploring Operation: 60-51=9, Resulting Numbers: [9] 9,22 unequal: No Solution Exploring Operation: 60+51=111, Resulting Numbers: [111] 111,22 unequal: No Solution Moving to Node #0,4,1 Current State: 22:[46, 73], Operations: ['69-5=64', '9+64=73'] Exploring Operation: 46*73=3358, Resulting Numbers: [3358] 3358,22 unequal: No Solution Exploring Operation: 73-46=27, Resulting Numbers: [27] 27,22 unequal: No Solution Exploring Operation: 46+73=119, Resulting Numbers: [119] 119,22 unequal: No Solution Moving to Node #0,4,2 Current State: 22:[64, 55], Operations: ['69-5=64', '9+46=55'] Exploring Operation: 64-55=9, Resulting Numbers: [9] 9,22 unequal: No Solution Exploring Operation: 64*55=3520, Resulting Numbers: [3520] 3520,22 unequal: No Solution Exploring Operation: 64+55=119, Resulting Numbers: [119] 119,22 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 37, 38, 2, 79 ]
34
[ "79-37=42", "38*2=76", "76-42=34" ]
Current State: 34:[37, 38, 2, 79], Operations: [] Exploring Operation: 79-37=42, Resulting Numbers: [38, 2, 42] Generated Node #2: [38, 2, 42] from Operation: 79-37=42 Current State: 34:[38, 2, 42], Operations: ['79-37=42'] Exploring Operation: 38*2=76, Resulting Numbers: [42, 76] Generated Node #3: [42, 76] from Operation: 38*2=76 Current State: 34:[42, 76], Operations: ['79-37=42', '38*2=76'] Exploring Operation: 76-42=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
4
Current State: 34:[37, 38, 2, 79], Operations: [] Exploring Operation: 79-37=42, Resulting Numbers: [38, 2, 42] Generated Node #0,0: 34:[38, 2, 42] Operation: 79-37=42 Exploring Operation: 37-2=35, Resulting Numbers: [38, 79, 35] Generated Node #0,1: 34:[38, 79, 35] Operation: 37-2=35 Exploring Operation: 38-37=1, Resulting Numbers: [2, 79, 1] Generated Node #0,2: 34:[2, 79, 1] Operation: 38-37=1 Exploring Operation: 79-38=41, Resulting Numbers: [37, 2, 41] Generated Node #0,3: 34:[37, 2, 41] Operation: 79-38=41 Start Sub Search at level 1: Moving to Node #0,3 Current State: 34:[37, 2, 41], Operations: ['79-38=41'] Exploring Operation: 37-2=35, Resulting Numbers: [41, 35] Generated Node #0,3,0: 34:[41, 35] Operation: 37-2=35 Exploring Operation: 37+2=39, Resulting Numbers: [41, 39] Generated Node #0,3,1: 34:[41, 39] Operation: 37+2=39 Exploring Operation: 41-37=4, Resulting Numbers: [2, 4] Generated Node #0,3,2: 34:[2, 4] Operation: 41-37=4 Exploring Operation: 41-2=39, Resulting Numbers: [37, 39] Generated Node #0,3,3: 34:[37, 39] Operation: 41-2=39 Moving to Node #0,3,2 Current State: 34:[2, 4], Operations: ['79-38=41', '41-37=4'] Exploring Operation: 2+4=6, Resulting Numbers: [6] 6,34 unequal: No Solution Exploring Operation: 4-2=2, Resulting Numbers: [2] 2,34 unequal: No Solution Exploring Operation: 4/2=2, Resulting Numbers: [2] 2,34 unequal: No Solution Exploring Operation: 2*4=8, Resulting Numbers: [8] 8,34 unequal: No Solution Moving to Node #0,3,3 Current State: 34:[37, 39], Operations: ['79-38=41', '41-2=39'] Exploring Operation: 39-37=2, Resulting Numbers: [2] 2,34 unequal: No Solution Exploring Operation: 37+39=76, Resulting Numbers: [76] 76,34 unequal: No Solution Exploring Operation: 37*39=1443, Resulting Numbers: [1443] 1443,34 unequal: No Solution Moving to Node #0,3,0 Current State: 34:[41, 35], Operations: ['79-38=41', '37-2=35'] Exploring Operation: 41+35=76, Resulting Numbers: [76] 76,34 unequal: No Solution Exploring Operation: 41*35=1435, Resulting Numbers: [1435] 1435,34 unequal: No Solution Exploring Operation: 41-35=6, Resulting Numbers: [6] 6,34 unequal: No Solution Moving to Node #0,3,1 Current State: 34:[41, 39], Operations: ['79-38=41', '37+2=39'] Exploring Operation: 41*39=1599, Resulting Numbers: [1599] 1599,34 unequal: No Solution Exploring Operation: 41-39=2, Resulting Numbers: [2] 2,34 unequal: No Solution Exploring Operation: 41+39=80, Resulting Numbers: [80] 80,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 34:[38, 2, 42], Operations: ['79-37=42'] Exploring Operation: 42-38=4, Resulting Numbers: [2, 4] Generated Node #0,0,0: 34:[2, 4] Operation: 42-38=4 Exploring Operation: 42/2=21, Resulting Numbers: [38, 21] Generated Node #0,0,1: 34:[38, 21] Operation: 42/2=21 Exploring Operation: 38-2=36, Resulting Numbers: [42, 36] Generated Node #0,0,2: 34:[42, 36] Operation: 38-2=36 Exploring Operation: 38/2=19, Resulting Numbers: [42, 19] Generated Node #0,0,3: 34:[42, 19] Operation: 38/2=19 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 34:[2, 4], Operations: ['79-37=42', '42-38=4'] Exploring Operation: 4-2=2, Resulting Numbers: [2] 2,34 unequal: No Solution Exploring Operation: 2+4=6, Resulting Numbers: [6] 6,34 unequal: No Solution Exploring Operation: 2*4=8, Resulting Numbers: [8] 8,34 unequal: No Solution Exploring Operation: 4/2=2, Resulting Numbers: [2] 2,34 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:[38, 21], Operations: ['79-37=42', '42/2=21'] Exploring Operation: 38+21=59, Resulting Numbers: [59] 59,34 unequal: No Solution Exploring Operation: 38*21=798, Resulting Numbers: [798] 798,34 unequal: No Solution Exploring Operation: 38-21=17, Resulting Numbers: [17] 17,34 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 #0,0,2 Current State: 34:[42, 36], Operations: ['79-37=42', '38-2=36'] Exploring Operation: 42-36=6, Resulting Numbers: [6] 6,34 unequal: No Solution Exploring Operation: 42*36=1512, Resulting Numbers: [1512] 1512,34 unequal: No Solution Exploring Operation: 42+36=78, Resulting Numbers: [78] 78,34 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:[42, 19], Operations: ['79-37=42', '38/2=19'] Exploring Operation: 42-19=23, Resulting Numbers: [23] 23,34 unequal: No Solution Exploring Operation: 42+19=61, Resulting Numbers: [61] 61,34 unequal: No Solution Exploring Operation: 42*19=798, Resulting Numbers: [798] 798,34 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: 34:[2, 79, 1], Operations: ['38-37=1'] Exploring Operation: 2*1=2, Resulting Numbers: [79, 2] Generated Node #0,2,0: 34:[79, 2] Operation: 2*1=2 Exploring Operation: 79-1=78, Resulting Numbers: [2, 78] Generated Node #0,2,1: 34:[2, 78] Operation: 79-1=78 Exploring Operation: 2/1=2, Resulting Numbers: [79, 2] Generated Node #0,2,2: 34:[79, 2] Operation: 2/1=2 Exploring Operation: 79-2=77, Resulting Numbers: [1, 77] Generated Node #0,2,3: 34:[1, 77] Operation: 79-2=77 Moving to Node #0,2,1 Current State: 34:[2, 78], Operations: ['38-37=1', '79-1=78'] Exploring Operation: 78-2=76, Resulting Numbers: [76] 76,34 unequal: No Solution Exploring Operation: 2+78=80, Resulting Numbers: [80] 80,34 unequal: No Solution Exploring Operation: 2*78=156, Resulting Numbers: [156] 156,34 unequal: No Solution Exploring Operation: 78/2=39, Resulting Numbers: [39] 39,34 unequal: No Solution Moving to Node #0,2,3 Current State: 34:[1, 77], Operations: ['38-37=1', '79-2=77'] Exploring Operation: 1*77=77, Resulting Numbers: [77] 77,34 unequal: No Solution Exploring Operation: 1+77=78, Resulting Numbers: [78] 78,34 unequal: No Solution Exploring Operation: 77/1=77, Resulting Numbers: [77] 77,34 unequal: No Solution Exploring Operation: 77-1=76, Resulting Numbers: [76] 76,34 unequal: No Solution Moving to Node #0,2,2 Current State: 34:[79, 2], Operations: ['38-37=1', '2/1=2'] Exploring Operation: 79-2=77, Resulting Numbers: [77] 77,34 unequal: No Solution Exploring Operation: 79+2=81, Resulting Numbers: [81] 81,34 unequal: No Solution Exploring Operation: 79*2=158, Resulting Numbers: [158] 158,34 unequal: No Solution Moving to Node #0,2,0 Current State: 34:[79, 2], Operations: ['38-37=1', '2*1=2'] Exploring Operation: 79*2=158, Resulting Numbers: [158] 158,34 unequal: No Solution Exploring Operation: 79-2=77, Resulting Numbers: [77] 77,34 unequal: No Solution Exploring Operation: 79+2=81, Resulting Numbers: [81] 81,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 34:[38, 79, 35], Operations: ['37-2=35'] Exploring Operation: 79-38=41, Resulting Numbers: [35, 41] Generated Node #0,1,0: 34:[35, 41] Operation: 79-38=41 Exploring Operation: 38-35=3, Resulting Numbers: [79, 3] Generated Node #0,1,1: 34:[79, 3] Operation: 38-35=3 Exploring Operation: 79-35=44, Resulting Numbers: [38, 44] Generated Node #0,1,2: 34:[38, 44] Operation: 79-35=44 Exploring Operation: 38+79=117, Resulting Numbers: [35, 117] Generated Node #0,1,3: 34:[35, 117] Operation: 38+79=117 Moving to Node #0,1,0 Current State: 34:[35, 41], Operations: ['37-2=35', '79-38=41'] Exploring Operation: 35+41=76, Resulting Numbers: [76] 76,34 unequal: No Solution Exploring Operation: 41-35=6, Resulting Numbers: [6] 6,34 unequal: No Solution Exploring Operation: 35*41=1435, Resulting Numbers: [1435] 1435,34 unequal: No Solution Moving to Node #0,1,2 Current State: 34:[38, 44], Operations: ['37-2=35', '79-35=44'] Exploring Operation: 38*44=1672, Resulting Numbers: [1672] 1672,34 unequal: No Solution Exploring Operation: 38+44=82, Resulting Numbers: [82] 82,34 unequal: No Solution Exploring Operation: 44-38=6, Resulting Numbers: [6] 6,34 unequal: No Solution Moving to Node #0,1,1 Current State: 34:[79, 3], Operations: ['37-2=35', '38-35=3'] Exploring Operation: 79+3=82, Resulting Numbers: [82] 82,34 unequal: No Solution Exploring Operation: 79*3=237, Resulting Numbers: [237] 237,34 unequal: No Solution Exploring Operation: 79-3=76, Resulting Numbers: [76] 76,34 unequal: No Solution Moving to Node #0,1,3 Current State: 34:[35, 117], Operations: ['37-2=35', '38+79=117'] Exploring Operation: 35+117=152, Resulting Numbers: [152] 152,34 unequal: No Solution Exploring Operation: 35*117=4095, Resulting Numbers: [4095] 4095,34 unequal: No Solution Exploring Operation: 117-35=82, Resulting Numbers: [82] 82,34 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
[ 62, 69, 65, 19 ]
53
[ "69-62=7", "65-19=46", "7+46=53" ]
Current State: 53:[62, 69, 65, 19], Operations: [] Exploring Operation: 69-62=7, Resulting Numbers: [65, 19, 7] Generated Node #2: [65, 19, 7] from Operation: 69-62=7 Current State: 53:[65, 19, 7], Operations: ['69-62=7'] Exploring Operation: 65-19=46, Resulting Numbers: [7, 46] Generated Node #3: [7, 46] from Operation: 65-19=46 Current State: 53:[7, 46], Operations: ['69-62=7', '65-19=46'] Exploring Operation: 7+46=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[62, 69, 65, 19], Operations: [] Exploring Operation: 69-19=50, Resulting Numbers: [62, 65, 50] Generated Node #0,0: 53:[62, 65, 50] Operation: 69-19=50 Exploring Operation: 62-19=43, Resulting Numbers: [69, 65, 43] Generated Node #0,1: 53:[69, 65, 43] Operation: 62-19=43 Exploring Operation: 65-19=46, Resulting Numbers: [62, 69, 46] Generated Node #0,2: 53:[62, 69, 46] Operation: 65-19=46 Moving to Node #0,0 Current State: 53:[62, 65, 50], Operations: ['69-19=50'] Exploring Operation: 62-50=12, Resulting Numbers: [65, 12] Generated Node #0,0,0: 53:[65, 12] Operation: 62-50=12 Exploring Operation: 65-50=15, Resulting Numbers: [62, 15] Generated Node #0,0,1: 53:[62, 15] Operation: 65-50=15 Exploring Operation: 65-62=3, Resulting Numbers: [50, 3] Generated Node #0,0,2: 53:[50, 3] Operation: 65-62=3 Moving to Node #0,2 Current State: 53:[62, 69, 46], Operations: ['65-19=46'] Exploring Operation: 69-46=23, Resulting Numbers: [62, 23] Generated Node #0,2,0: 53:[62, 23] Operation: 69-46=23 Exploring Operation: 62-46=16, Resulting Numbers: [69, 16] Generated Node #0,2,1: 53:[69, 16] Operation: 62-46=16 Exploring Operation: 69-62=7, Resulting Numbers: [46, 7] Generated Node #0,2,2: 53:[46, 7] Operation: 69-62=7 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 53:[62, 23], Operations: ['65-19=46', '69-46=23'] Exploring Operation: 62+23=85, Resulting Numbers: [85] 85,53 unequal: No Solution Exploring Operation: 62-23=39, Resulting Numbers: [39] 39,53 unequal: No Solution Exploring Operation: 62*23=1426, Resulting Numbers: [1426] 1426,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 53:[69, 16], Operations: ['65-19=46', '62-46=16'] Exploring Operation: 69*16=1104, Resulting Numbers: [1104] 1104,53 unequal: No Solution Exploring Operation: 69-16=53, Resulting Numbers: [53] 53,53 equal: Goal Reached Moving to Node #0 Current State: 53:[62, 69, 65, 19], Operations: [] Exploring Operation: 65-19=46, Resulting Numbers: [62, 69, 46] Generated Node #0,2: 53:[62, 69, 46] Operation: 65-19=46 Moving to Node #0,2 Current State: 53:[62, 69, 46], Operations: ['65-19=46'] Exploring Operation: 62-46=16, Resulting Numbers: [69, 16] Generated Node #0,2,1: 53:[69, 16] Operation: 62-46=16 Moving to Node #0,2,1 Current State: 53:[69, 16], Operations: ['65-19=46', '62-46=16'] Exploring Operation: 69-16=53, Resulting Numbers: [53] 53,53 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_3
mult_heuristic
[ 68, 8, 68, 34 ]
64
[ "68/34=2", "8/2=4", "68-4=64" ]
Current State: 64:[68, 8, 68, 34], Operations: [] Exploring Operation: 68/34=2, Resulting Numbers: [8, 2] Generated Node #2: [8, 2] from Operation: 68/34=2 Current State: 64:[8, 2], Operations: ['68/34=2'] Exploring Operation: 8/2=4, Resulting Numbers: [4] 4,64 equal: Goal Reached Exploring Operation: 68-4=64, Resulting Numbers: [64] 64,64 equal: Goal Reached
4
Current State: 64:[68, 8, 68, 34], Operations: [] Exploring Operation: 68/68=1, Resulting Numbers: [8, 34, 1] Generated Node #0,0: 64:[8, 34, 1] Operation: 68/68=1 Start Sub Search at level 1: Moving to Node #0,0 Current State: 64:[8, 34, 1], Operations: ['68/68=1'] Exploring Operation: 34-1=33, Resulting Numbers: [8, 33] Generated Node #0,0,0: 64:[8, 33] Operation: 34-1=33 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 64:[8, 33], Operations: ['68/68=1', '34-1=33'] Exploring Operation: 33-8=25, Resulting Numbers: [25] 25,64 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
[ 57, 68, 68, 2 ]
57
[ "68-68=0", "2*0=0", "57+0=57" ]
Current State: 57:[57, 68, 68, 2], Operations: [] Exploring Operation: 68-68=0, Resulting Numbers: [57, 2, 0] Generated Node #2: [57, 2, 0] from Operation: 68-68=0 Current State: 57:[57, 2, 0], Operations: ['68-68=0'] Exploring Operation: 2*0=0, Resulting Numbers: [57, 0] Generated Node #3: [57, 0] from Operation: 2*0=0 Current State: 57:[57, 0], Operations: ['68-68=0', '2*0=0'] Exploring Operation: 57+0=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
4
Current State: 57:[57, 68, 68, 2], Operations: [] Exploring Operation: 68-57=11, Resulting Numbers: [68, 2, 11] Generated Node #0,0: 57:[68, 2, 11] Operation: 68-57=11 Exploring Operation: 68-2=66, Resulting Numbers: [57, 68, 66] Generated Node #0,1: 57:[57, 68, 66] Operation: 68-2=66 Exploring Operation: 68-68=0, Resulting Numbers: [57, 2, 0] Generated Node #0,2: 57:[57, 2, 0] Operation: 68-68=0 Exploring Operation: 68/68=1, Resulting Numbers: [57, 2, 1] Generated Node #0,3: 57:[57, 2, 1] Operation: 68/68=1 Exploring Operation: 68-57=11, Resulting Numbers: [68, 2, 11] Generated Node #0,4: 57:[68, 2, 11] Operation: 68-57=11 Start Sub Search at level 1: Moving to Node #0,3 Current State: 57:[57, 2, 1], Operations: ['68/68=1'] Exploring Operation: 57/1=57, Resulting Numbers: [2, 57] Generated Node #0,3,0: 57:[2, 57] Operation: 57/1=57 Exploring Operation: 2+1=3, Resulting Numbers: [57, 3] Generated Node #0,3,1: 57:[57, 3] Operation: 2+1=3 Exploring Operation: 2*1=2, Resulting Numbers: [57, 2] Generated Node #0,3,2: 57:[57, 2] Operation: 2*1=2 Exploring Operation: 2/1=2, Resulting Numbers: [57, 2] Generated Node #0,3,3: 57:[57, 2] Operation: 2/1=2 Exploring Operation: 57*1=57, Resulting Numbers: [2, 57] Generated Node #0,3,4: 57:[2, 57] Operation: 57*1=57 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 57:[57, 3], Operations: ['68/68=1', '2+1=3'] Exploring Operation: 57*3=171, Resulting Numbers: [171] 171,57 unequal: No Solution Exploring Operation: 57/3=19, Resulting Numbers: [19] 19,57 unequal: No Solution Exploring Operation: 57+3=60, Resulting Numbers: [60] 60,57 unequal: No Solution Exploring Operation: 57-3=54, Resulting Numbers: [54] 54,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 57:[2, 57], Operations: ['68/68=1', '57/1=57'] Exploring Operation: 2+57=59, Resulting Numbers: [59] 59,57 unequal: No Solution Exploring Operation: 2*57=114, Resulting Numbers: [114] 114,57 unequal: No Solution Exploring Operation: 57-2=55, Resulting Numbers: [55] 55,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 57:[57, 2], Operations: ['68/68=1', '2*1=2'] Exploring Operation: 57+2=59, Resulting Numbers: [59] 59,57 unequal: No Solution Exploring Operation: 57-2=55, Resulting Numbers: [55] 55,57 unequal: No Solution Exploring Operation: 57*2=114, Resulting Numbers: [114] 114,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 57:[57, 2], Operations: ['68/68=1', '2/1=2'] Exploring Operation: 57*2=114, Resulting Numbers: [114] 114,57 unequal: No Solution Exploring Operation: 57-2=55, Resulting Numbers: [55] 55,57 unequal: No Solution Exploring Operation: 57+2=59, Resulting Numbers: [59] 59,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 57:[2, 57], Operations: ['68/68=1', '57*1=57'] Exploring Operation: 57-2=55, Resulting Numbers: [55] 55,57 unequal: No Solution Exploring Operation: 2+57=59, Resulting Numbers: [59] 59,57 unequal: No Solution Exploring Operation: 2*57=114, Resulting Numbers: [114] 114,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 57:[57, 2, 0], Operations: ['68-68=0'] Exploring Operation: 2*0=0, Resulting Numbers: [57, 0] Generated Node #0,2,0: 57:[57, 0] Operation: 2*0=0 Exploring Operation: 57+0=57, Resulting Numbers: [2, 57] Generated Node #0,2,1: 57:[2, 57] Operation: 57+0=57 Exploring Operation: 2+0=2, Resulting Numbers: [57, 2] Generated Node #0,2,2: 57:[57, 2] Operation: 2+0=2 Exploring Operation: 2-0=2, Resulting Numbers: [57, 2] Generated Node #0,2,3: 57:[57, 2] Operation: 2-0=2 Exploring Operation: 57-0=57, Resulting Numbers: [2, 57] Generated Node #0,2,4: 57:[2, 57] Operation: 57-0=57 Moving to Node #0,2,1 Current State: 57:[2, 57], Operations: ['68-68=0', '57+0=57'] Exploring Operation: 2*57=114, Resulting Numbers: [114] 114,57 unequal: No Solution Exploring Operation: 57-2=55, Resulting Numbers: [55] 55,57 unequal: No Solution Exploring Operation: 2+57=59, Resulting Numbers: [59] 59,57 unequal: No Solution Moving to Node #0,2,3 Current State: 57:[57, 2], Operations: ['68-68=0', '2-0=2'] Exploring Operation: 57-2=55, Resulting Numbers: [55] 55,57 unequal: No Solution Exploring Operation: 57*2=114, Resulting Numbers: [114] 114,57 unequal: No Solution Exploring Operation: 57+2=59, Resulting Numbers: [59] 59,57 unequal: No Solution Moving to Node #0,2,2 Current State: 57:[57, 2], Operations: ['68-68=0', '2+0=2'] Exploring Operation: 57*2=114, Resulting Numbers: [114] 114,57 unequal: No Solution Exploring Operation: 57+2=59, Resulting Numbers: [59] 59,57 unequal: No Solution Exploring Operation: 57-2=55, Resulting Numbers: [55] 55,57 unequal: No Solution Moving to Node #0,2,4 Current State: 57:[2, 57], Operations: ['68-68=0', '57-0=57'] Exploring Operation: 2*57=114, Resulting Numbers: [114] 114,57 unequal: No Solution Exploring Operation: 2+57=59, Resulting Numbers: [59] 59,57 unequal: No Solution Exploring Operation: 57-2=55, Resulting Numbers: [55] 55,57 unequal: No Solution Moving to Node #0,2,0 Current State: 57:[57, 0], Operations: ['68-68=0', '2*0=0'] Exploring Operation: 57+0=57, Resulting Numbers: [57] 57,57 equal: Goal Reached Moving to Node #0 Current State: 57:[57, 68, 68, 2], Operations: [] Exploring Operation: 68-68=0, Resulting Numbers: [57, 2, 0] Generated Node #0,2: 57:[57, 2, 0] Operation: 68-68=0 Moving to Node #0,2 Current State: 57:[57, 2, 0], Operations: ['68-68=0'] Exploring Operation: 2*0=0, Resulting Numbers: [57, 0] Generated Node #0,2,0: 57:[57, 0] Operation: 2*0=0 Moving to Node #0,2,0 Current State: 57:[57, 0], Operations: ['68-68=0', '2*0=0'] Exploring Operation: 57+0=57, Resulting Numbers: [57] 57,57 equal: Goal Reached Exit Sub Search at level 1
0.958333
hs_5
mult_heuristic
[ 22, 66, 82, 14 ]
93
[ "66/22=3", "82+14=96", "96-3=93" ]
Current State: 93:[22, 66, 82, 14], Operations: [] Exploring Operation: 66/22=3, Resulting Numbers: [82, 14, 3] Generated Node #2: [82, 14, 3] from Operation: 66/22=3 Current State: 93:[82, 14, 3], Operations: ['66/22=3'] Exploring Operation: 82+14=96, Resulting Numbers: [3, 96] Generated Node #3: [3, 96] from Operation: 82+14=96 Current State: 93:[3, 96], Operations: ['66/22=3', '82+14=96'] Exploring Operation: 96-3=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
4
Current State: 93:[22, 66, 82, 14], Operations: [] Exploring Operation: 66+14=80, Resulting Numbers: [22, 82, 80] Generated Node #0,0: 93:[22, 82, 80] Operation: 66+14=80 Exploring Operation: 22+66=88, Resulting Numbers: [82, 14, 88] Generated Node #0,1: 93:[82, 14, 88] Operation: 22+66=88 Exploring Operation: 66/22=3, Resulting Numbers: [82, 14, 3] Generated Node #0,2: 93:[82, 14, 3] Operation: 66/22=3 Exploring Operation: 82-66=16, Resulting Numbers: [22, 14, 16] Generated Node #0,3: 93:[22, 14, 16] Operation: 82-66=16 Moving to Node #0,2 Current State: 93:[82, 14, 3], Operations: ['66/22=3'] Exploring Operation: 14-3=11, Resulting Numbers: [82, 11] Generated Node #0,2,0: 93:[82, 11] Operation: 14-3=11 Exploring Operation: 14*3=42, Resulting Numbers: [82, 42] Generated Node #0,2,1: 93:[82, 42] Operation: 14*3=42 Exploring Operation: 82+3=85, Resulting Numbers: [14, 85] Generated Node #0,2,2: 93:[14, 85] Operation: 82+3=85 Exploring Operation: 82+14=96, Resulting Numbers: [3, 96] Generated Node #0,2,3: 93:[3, 96] Operation: 82+14=96 Moving to Node #0,1 Current State: 93:[82, 14, 88], Operations: ['22+66=88'] Exploring Operation: 88-82=6, Resulting Numbers: [14, 6] Generated Node #0,1,0: 93:[14, 6] Operation: 88-82=6 Exploring Operation: 82+14=96, Resulting Numbers: [88, 96] Generated Node #0,1,1: 93:[88, 96] Operation: 82+14=96 Exploring Operation: 14+88=102, Resulting Numbers: [82, 102] Generated Node #0,1,2: 93:[82, 102] Operation: 14+88=102 Exploring Operation: 82-14=68, Resulting Numbers: [88, 68] Generated Node #0,1,3: 93:[88, 68] Operation: 82-14=68 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 93:[88, 96], Operations: ['22+66=88', '82+14=96'] Exploring Operation: 88*96=8448, Resulting Numbers: [8448] 8448,93 unequal: No Solution Exploring Operation: 88+96=184, Resulting Numbers: [184] 184,93 unequal: No Solution Exploring Operation: 96-88=8, Resulting Numbers: [8] 8,93 unequal: No Solution No 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: 93:[14, 6], Operations: ['22+66=88', '88-82=6'] Exploring Operation: 14*6=84, Resulting Numbers: [84] 84,93 unequal: No Solution Exploring Operation: 14-6=8, Resulting Numbers: [8] 8,93 unequal: No Solution Exploring Operation: 14+6=20, Resulting Numbers: [20] 20,93 unequal: No Solution No 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: 93:[82, 102], Operations: ['22+66=88', '14+88=102'] Exploring Operation: 82*102=8364, Resulting Numbers: [8364] 8364,93 unequal: No Solution Exploring Operation: 82+102=184, Resulting Numbers: [184] 184,93 unequal: No Solution Exploring Operation: 102-82=20, Resulting Numbers: [20] 20,93 unequal: No Solution No 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: 93:[88, 68], Operations: ['22+66=88', '82-14=68'] Exploring Operation: 88+68=156, Resulting Numbers: [156] 156,93 unequal: No Solution Exploring Operation: 88*68=5984, Resulting Numbers: [5984] 5984,93 unequal: No Solution Exploring Operation: 88-68=20, Resulting Numbers: [20] 20,93 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: 93:[22, 14, 16], Operations: ['82-66=16'] Exploring Operation: 14+16=30, Resulting Numbers: [22, 30] Generated Node #0,3,0: 93:[22, 30] Operation: 14+16=30 Exploring Operation: 22+14=36, Resulting Numbers: [16, 36] Generated Node #0,3,1: 93:[16, 36] Operation: 22+14=36 Exploring Operation: 16-14=2, Resulting Numbers: [22, 2] Generated Node #0,3,2: 93:[22, 2] Operation: 16-14=2 Exploring Operation: 22-16=6, Resulting Numbers: [14, 6] Generated Node #0,3,3: 93:[14, 6] Operation: 22-16=6 Moving to Node #0,0 Current State: 93:[22, 82, 80], Operations: ['66+14=80'] Exploring Operation: 22+82=104, Resulting Numbers: [80, 104] Generated Node #0,0,0: 93:[80, 104] Operation: 22+82=104 Exploring Operation: 80-22=58, Resulting Numbers: [82, 58] Generated Node #0,0,1: 93:[82, 58] Operation: 80-22=58 Exploring Operation: 82-80=2, Resulting Numbers: [22, 2] Generated Node #0,0,2: 93:[22, 2] Operation: 82-80=2 Exploring Operation: 22+80=102, Resulting Numbers: [82, 102] Generated Node #0,0,3: 93:[82, 102] Operation: 22+80=102 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 93:[22, 2], Operations: ['66+14=80', '82-80=2'] Exploring Operation: 22*2=44, Resulting Numbers: [44] 44,93 unequal: No Solution Exploring Operation: 22+2=24, Resulting Numbers: [24] 24,93 unequal: No Solution Exploring Operation: 22/2=11, Resulting Numbers: [11] 11,93 unequal: No Solution Exploring Operation: 22-2=20, Resulting Numbers: [20] 20,93 unequal: No Solution No 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: 93:[82, 102], Operations: ['66+14=80', '22+80=102'] Exploring Operation: 82*102=8364, Resulting Numbers: [8364] 8364,93 unequal: No Solution Exploring Operation: 82+102=184, Resulting Numbers: [184] 184,93 unequal: No Solution Exploring Operation: 102-82=20, Resulting Numbers: [20] 20,93 unequal: No Solution No 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: 93:[80, 104], Operations: ['66+14=80', '22+82=104'] Exploring Operation: 104-80=24, Resulting Numbers: [24] 24,93 unequal: No Solution Exploring Operation: 80*104=8320, Resulting Numbers: [8320] 8320,93 unequal: No Solution Exploring Operation: 80+104=184, Resulting Numbers: [184] 184,93 unequal: No Solution No 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: 93:[82, 58], Operations: ['66+14=80', '80-22=58'] Exploring Operation: 82+58=140, Resulting Numbers: [140] 140,93 unequal: No Solution Exploring Operation: 82-58=24, Resulting Numbers: [24] 24,93 unequal: No Solution Exploring Operation: 82*58=4756, Resulting Numbers: [4756] 4756,93 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: 93:[3, 96], Operations: ['66/22=3', '82+14=96'] Exploring Operation: 96-3=93, Resulting Numbers: [93] 93,93 equal: Goal Reached Moving to Node #0 Current State: 93:[22, 66, 82, 14], Operations: [] Exploring Operation: 66/22=3, Resulting Numbers: [82, 14, 3] Generated Node #0,2: 93:[82, 14, 3] Operation: 66/22=3 Moving to Node #0,2 Current State: 93:[82, 14, 3], Operations: ['66/22=3'] Exploring Operation: 82+14=96, Resulting Numbers: [3, 96] Generated Node #0,2,3: 93:[3, 96] Operation: 82+14=96 Moving to Node #0,2,3 Current State: 93:[3, 96], Operations: ['66/22=3', '82+14=96'] Exploring Operation: 96-3=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
0.956597
hs_4
mult_heuristic
[ 34, 61, 24, 44 ]
59
[ "24+44=68", "68/34=2", "61-2=59" ]
Current State: 59:[34, 61, 24, 44], Operations: [] Exploring Operation: 24+44=68, Resulting Numbers: [34, 61, 68] Generated Node #2: [34, 61, 68] from Operation: 24+44=68 Current State: 59:[34, 61, 68], Operations: ['24+44=68'] Exploring Operation: 68/34=2, Resulting Numbers: [61, 2] Generated Node #3: [61, 2] from Operation: 68/34=2 Current State: 59:[61, 2], Operations: ['24+44=68', '68/34=2'] Exploring Operation: 61-2=59, Resulting Numbers: [59] 59,59 equal: Goal Reached
4
Current State: 59:[34, 61, 24, 44], Operations: [] Exploring Operation: 34+24=58, Resulting Numbers: [61, 44, 58] Generated Node #0,0: 59:[61, 44, 58] Operation: 34+24=58 Exploring Operation: 34+44=78, Resulting Numbers: [61, 24, 78] Generated Node #0,1: 59:[61, 24, 78] Operation: 34+44=78 Exploring Operation: 24+44=68, Resulting Numbers: [34, 61, 68] Generated Node #0,2: 59:[34, 61, 68] Operation: 24+44=68 Moving to Node #0,0 Current State: 59:[61, 44, 58], Operations: ['34+24=58'] Exploring Operation: 44+58=102, Resulting Numbers: [61, 102] Generated Node #0,0,0: 59:[61, 102] Operation: 44+58=102 Exploring Operation: 61-44=17, Resulting Numbers: [58, 17] Generated Node #0,0,1: 59:[58, 17] Operation: 61-44=17 Exploring Operation: 61+44=105, Resulting Numbers: [58, 105] Generated Node #0,0,2: 59:[58, 105] Operation: 61+44=105 Moving to Node #0,2 Current State: 59:[34, 61, 68], Operations: ['24+44=68'] Exploring Operation: 61-34=27, Resulting Numbers: [68, 27] Generated Node #0,2,0: 59:[68, 27] Operation: 61-34=27 Exploring Operation: 34+61=95, Resulting Numbers: [68, 95] Generated Node #0,2,1: 59:[68, 95] Operation: 34+61=95 Exploring Operation: 68-34=34, Resulting Numbers: [61, 34] Generated Node #0,2,2: 59:[61, 34] Operation: 68-34=34 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 59:[61, 34], Operations: ['24+44=68', '68-34=34'] Exploring Operation: 61-34=27, Resulting Numbers: [27] 27,59 unequal: No Solution Exploring Operation: 61+34=95, Resulting Numbers: [95] 95,59 unequal: No Solution Exploring Operation: 61*34=2074, Resulting Numbers: [2074] 2074,59 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 59:[68, 27], Operations: ['24+44=68', '61-34=27'] Exploring Operation: 68+27=95, Resulting Numbers: [95] 95,59 unequal: No Solution Exploring Operation: 68*27=1836, Resulting Numbers: [1836] 1836,59 unequal: No Solution Exploring Operation: 68-27=41, Resulting Numbers: [41] 41,59 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 59:[68, 95], Operations: ['24+44=68', '34+61=95'] Exploring Operation: 68+95=163, Resulting Numbers: [163] 163,59 unequal: No Solution Exploring Operation: 95-68=27, Resulting Numbers: [27] 27,59 unequal: No Solution Exploring Operation: 68*95=6460, Resulting Numbers: [6460] 6460,59 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: 59:[61, 24, 78], Operations: ['34+44=78'] Exploring Operation: 61-24=37, Resulting Numbers: [78, 37] Generated Node #0,1,0: 59:[78, 37] Operation: 61-24=37 Exploring Operation: 61+24=85, Resulting Numbers: [78, 85] Generated Node #0,1,1: 59:[78, 85] Operation: 61+24=85 Exploring Operation: 78-24=54, Resulting Numbers: [61, 54] Generated Node #0,1,2: 59:[61, 54] Operation: 78-24=54 Moving to Node #0,1,2 Current State: 59:[61, 54], Operations: ['34+44=78', '78-24=54'] Exploring Operation: 61*54=3294, Resulting Numbers: [3294] 3294,59 unequal: No Solution Exploring Operation: 61-54=7, Resulting Numbers: [7] 7,59 unequal: No Solution Exploring Operation: 61+54=115, Resulting Numbers: [115] 115,59 unequal: No Solution Moving to Node #0,1,0 Current State: 59:[78, 37], Operations: ['34+44=78', '61-24=37'] Exploring Operation: 78-37=41, Resulting Numbers: [41] 41,59 unequal: No Solution Exploring Operation: 78+37=115, Resulting Numbers: [115] 115,59 unequal: No Solution Exploring Operation: 78*37=2886, Resulting Numbers: [2886] 2886,59 unequal: No Solution Moving to Node #0,0,1 Current State: 59:[58, 17], Operations: ['34+24=58', '61-44=17'] Exploring Operation: 58*17=986, Resulting Numbers: [986] 986,59 unequal: No Solution Exploring Operation: 58+17=75, Resulting Numbers: [75] 75,59 unequal: No Solution Exploring Operation: 58-17=41, Resulting Numbers: [41] 41,59 unequal: No Solution Moving to Node #0,1,1 Current State: 59:[78, 85], Operations: ['34+44=78', '61+24=85'] Exploring Operation: 78*85=6630, Resulting Numbers: [6630] 6630,59 unequal: No Solution Exploring Operation: 85-78=7, Resulting Numbers: [7] 7,59 unequal: No Solution Exploring Operation: 78+85=163, Resulting Numbers: [163] 163,59 unequal: No Solution Moving to Node #0,0,0 Current State: 59:[61, 102], Operations: ['34+24=58', '44+58=102'] Exploring Operation: 102-61=41, Resulting Numbers: [41] 41,59 unequal: No Solution Exploring Operation: 61+102=163, Resulting Numbers: [163] 163,59 unequal: No Solution Exploring Operation: 61*102=6222, Resulting Numbers: [6222] 6222,59 unequal: No Solution Moving to Node #0,0,2 Current State: 59:[58, 105], Operations: ['34+24=58', '61+44=105'] Exploring Operation: 58*105=6090, Resulting Numbers: [6090] 6090,59 unequal: No Solution Exploring Operation: 58+105=163, Resulting Numbers: [163] 163,59 unequal: No Solution Exploring Operation: 105-58=47, Resulting Numbers: [47] 47,59 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 75, 38, 44, 9 ]
50
[ "44-38=6", "75*6=450", "450/9=50" ]
Current State: 50:[75, 38, 44, 9], Operations: [] Exploring Operation: 44-38=6, Resulting Numbers: [75, 9, 6] Generated Node #2: [75, 9, 6] from Operation: 44-38=6 Current State: 50:[75, 9, 6], Operations: ['44-38=6'] Exploring Operation: 75*6=450, Resulting Numbers: [9, 450] Generated Node #3: [9, 450] from Operation: 75*6=450 Current State: 50:[9, 450], Operations: ['44-38=6', '75*6=450'] Exploring Operation: 450/9=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[75, 38, 44, 9], Operations: [] Exploring Operation: 75-38=37, Resulting Numbers: [44, 9, 37] Generated Node #0,0: 50:[44, 9, 37] Operation: 75-38=37 Exploring Operation: 75-44=31, Resulting Numbers: [38, 9, 31] Generated Node #0,1: 50:[38, 9, 31] Operation: 75-44=31 Moving to Node #0,0 Current State: 50:[44, 9, 37], Operations: ['75-38=37'] Exploring Operation: 44-37=7, Resulting Numbers: [9, 7] Generated Node #0,0,0: 50:[9, 7] Operation: 44-37=7 Exploring Operation: 37-9=28, Resulting Numbers: [44, 28] Generated Node #0,0,1: 50:[44, 28] Operation: 37-9=28 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 50:[9, 7], Operations: ['75-38=37', '44-37=7'] Exploring Operation: 9+7=16, Resulting Numbers: [16] 16,50 unequal: No Solution Exploring Operation: 9-7=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 #0,0,1 Current State: 50:[44, 28], Operations: ['75-38=37', '37-9=28'] Exploring Operation: 44-28=16, Resulting Numbers: [16] 16,50 unequal: No Solution Exploring Operation: 44+28=72, Resulting Numbers: [72] 72,50 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:[38, 9, 31], Operations: ['75-44=31'] Exploring Operation: 38-31=7, Resulting Numbers: [9, 7] Generated Node #0,1,0: 50:[9, 7] Operation: 38-31=7 Exploring Operation: 38+9=47, Resulting Numbers: [31, 47] Generated Node #0,1,1: 50:[31, 47] Operation: 38+9=47 Moving to Node #0,1,0 Current State: 50:[9, 7], Operations: ['75-44=31', '38-31=7'] Exploring Operation: 9-7=2, Resulting Numbers: [2] 2,50 unequal: No Solution Exploring Operation: 9+7=16, Resulting Numbers: [16] 16,50 unequal: No Solution Moving to Node #0,1,1 Current State: 50:[31, 47], Operations: ['75-44=31', '38+9=47'] Exploring Operation: 31+47=78, Resulting Numbers: [78] 78,50 unequal: No Solution Exploring Operation: 47-31=16, Resulting Numbers: [16] 16,50 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 86, 30, 94, 50 ]
56
[ "86+94=180", "180/30=6", "50+6=56" ]
Current State: 56:[86, 30, 94, 50], Operations: [] Exploring Operation: 86+94=180, Resulting Numbers: [30, 50, 180] Generated Node #2: [30, 50, 180] from Operation: 86+94=180 Current State: 56:[30, 50, 180], Operations: ['86+94=180'] Exploring Operation: 180/30=6, Resulting Numbers: [50, 6] Generated Node #3: [50, 6] from Operation: 180/30=6 Current State: 56:[50, 6], Operations: ['86+94=180', '180/30=6'] Exploring Operation: 50+6=56, Resulting Numbers: [56] 56,56 equal: Goal Reached
4
Current State: 56:[86, 30, 94, 50], Operations: [] Exploring Operation: 94-50=44, Resulting Numbers: [86, 30, 44] Generated Node #0,0: 56:[86, 30, 44] Operation: 94-50=44 Exploring Operation: 94-86=8, Resulting Numbers: [30, 50, 8] Generated Node #0,1: 56:[30, 50, 8] Operation: 94-86=8 Exploring Operation: 94-30=64, Resulting Numbers: [86, 50, 64] Generated Node #0,2: 56:[86, 50, 64] Operation: 94-30=64 Exploring Operation: 86-30=56, Resulting Numbers: [94, 50, 56] Generated Node #0,3: 56:[94, 50, 56] Operation: 86-30=56 Exploring Operation: 86-50=36, Resulting Numbers: [30, 94, 36] Generated Node #0,4: 56:[30, 94, 36] Operation: 86-50=36 Moving to Node #0,1 Current State: 56:[30, 50, 8], Operations: ['94-86=8'] Exploring Operation: 50+8=58, Resulting Numbers: [30, 58] Generated Node #0,1,0: 56:[30, 58] Operation: 50+8=58 Exploring Operation: 50-30=20, Resulting Numbers: [8, 20] Generated Node #0,1,1: 56:[8, 20] Operation: 50-30=20 Exploring Operation: 30+8=38, Resulting Numbers: [50, 38] Generated Node #0,1,2: 56:[50, 38] Operation: 30+8=38 Exploring Operation: 30-8=22, Resulting Numbers: [50, 22] Generated Node #0,1,3: 56:[50, 22] Operation: 30-8=22 Exploring Operation: 50-8=42, Resulting Numbers: [30, 42] Generated Node #0,1,4: 56:[30, 42] Operation: 50-8=42 Moving to Node #0,2 Current State: 56:[86, 50, 64], Operations: ['94-30=64'] Exploring Operation: 86-64=22, Resulting Numbers: [50, 22] Generated Node #0,2,0: 56:[50, 22] Operation: 86-64=22 Exploring Operation: 64-50=14, Resulting Numbers: [86, 14] Generated Node #0,2,1: 56:[86, 14] Operation: 64-50=14 Exploring Operation: 86-50=36, Resulting Numbers: [64, 36] Generated Node #0,2,2: 56:[64, 36] Operation: 86-50=36 Exploring Operation: 50+64=114, Resulting Numbers: [86, 114] Generated Node #0,2,3: 56:[86, 114] Operation: 50+64=114 Exploring Operation: 86+50=136, Resulting Numbers: [64, 136] Generated Node #0,2,4: 56:[64, 136] Operation: 86+50=136 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 56:[50, 22], Operations: ['94-30=64', '86-64=22'] Exploring Operation: 50*22=1100, Resulting Numbers: [1100] 1100,56 unequal: No Solution Exploring Operation: 50+22=72, Resulting Numbers: [72] 72,56 unequal: No Solution Exploring Operation: 50-22=28, Resulting Numbers: [28] 28,56 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 #0,2,2 Current State: 56:[64, 36], Operations: ['94-30=64', '86-50=36'] Exploring Operation: 64-36=28, Resulting Numbers: [28] 28,56 unequal: No Solution Exploring Operation: 64+36=100, Resulting Numbers: [100] 100,56 unequal: No Solution Exploring Operation: 64*36=2304, Resulting Numbers: [2304] 2304,56 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 #0,2,1 Current State: 56:[86, 14], Operations: ['94-30=64', '64-50=14'] Exploring Operation: 86*14=1204, Resulting Numbers: [1204] 1204,56 unequal: No Solution Exploring Operation: 86-14=72, Resulting Numbers: [72] 72,56 unequal: No Solution Exploring Operation: 86+14=100, Resulting Numbers: [100] 100,56 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 #0,2,3 Current State: 56:[86, 114], Operations: ['94-30=64', '50+64=114'] Exploring Operation: 114-86=28, Resulting Numbers: [28] 28,56 unequal: No Solution Exploring Operation: 86*114=9804, Resulting Numbers: [9804] 9804,56 unequal: No Solution Exploring Operation: 86+114=200, Resulting Numbers: [200] 200,56 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 #0,2,4 Current State: 56:[64, 136], Operations: ['94-30=64', '86+50=136'] Exploring Operation: 64+136=200, Resulting Numbers: [200] 200,56 unequal: No Solution Exploring Operation: 64*136=8704, Resulting Numbers: [8704] 8704,56 unequal: No Solution Exploring Operation: 136-64=72, Resulting Numbers: [72] 72,56 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 56:[86, 30, 44], Operations: ['94-50=44'] Exploring Operation: 86+30=116, Resulting Numbers: [44, 116] Generated Node #0,0,0: 56:[44, 116] Operation: 86+30=116 Exploring Operation: 30+44=74, Resulting Numbers: [86, 74] Generated Node #0,0,1: 56:[86, 74] Operation: 30+44=74 Exploring Operation: 86-44=42, Resulting Numbers: [30, 42] Generated Node #0,0,2: 56:[30, 42] Operation: 86-44=42 Exploring Operation: 44-30=14, Resulting Numbers: [86, 14] Generated Node #0,0,3: 56:[86, 14] Operation: 44-30=14 Exploring Operation: 86-30=56, Resulting Numbers: [44, 56] Generated Node #0,0,4: 56:[44, 56] Operation: 86-30=56 Moving to Node #0,3 Current State: 56:[94, 50, 56], Operations: ['86-30=56'] Exploring Operation: 50+56=106, Resulting Numbers: [94, 106] Generated Node #0,3,0: 56:[94, 106] Operation: 50+56=106 Exploring Operation: 56-50=6, Resulting Numbers: [94, 6] Generated Node #0,3,1: 56:[94, 6] Operation: 56-50=6 Exploring Operation: 94-50=44, Resulting Numbers: [56, 44] Generated Node #0,3,2: 56:[56, 44] Operation: 94-50=44 Exploring Operation: 94-56=38, Resulting Numbers: [50, 38] Generated Node #0,3,3: 56:[50, 38] Operation: 94-56=38 Exploring Operation: 94+50=144, Resulting Numbers: [56, 144] Generated Node #0,3,4: 56:[56, 144] Operation: 94+50=144 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 56:[56, 44], Operations: ['86-30=56', '94-50=44'] Exploring Operation: 56*44=2464, Resulting Numbers: [2464] 2464,56 unequal: No Solution Exploring Operation: 56+44=100, Resulting Numbers: [100] 100,56 unequal: No Solution Exploring Operation: 56-44=12, Resulting Numbers: [12] 12,56 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 #0,3,3 Current State: 56:[50, 38], Operations: ['86-30=56', '94-56=38'] Exploring Operation: 50+38=88, Resulting Numbers: [88] 88,56 unequal: No Solution Exploring Operation: 50-38=12, Resulting Numbers: [12] 12,56 unequal: No Solution Exploring Operation: 50*38=1900, Resulting Numbers: [1900] 1900,56 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 #0,3,1 Current State: 56:[94, 6], Operations: ['86-30=56', '56-50=6'] Exploring Operation: 94+6=100, Resulting Numbers: [100] 100,56 unequal: No Solution Exploring Operation: 94-6=88, Resulting Numbers: [88] 88,56 unequal: No Solution Exploring Operation: 94*6=564, Resulting Numbers: [564] 564,56 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 #0,3,0 Current State: 56:[94, 106], Operations: ['86-30=56', '50+56=106'] Exploring Operation: 94*106=9964, Resulting Numbers: [9964] 9964,56 unequal: No Solution Exploring Operation: 106-94=12, Resulting Numbers: [12] 12,56 unequal: No Solution Exploring Operation: 94+106=200, Resulting Numbers: [200] 200,56 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 #0,3,4 Current State: 56:[56, 144], Operations: ['86-30=56', '94+50=144'] Exploring Operation: 56+144=200, Resulting Numbers: [200] 200,56 unequal: No Solution Exploring Operation: 56*144=8064, Resulting Numbers: [8064] 8064,56 unequal: No Solution Exploring Operation: 144-56=88, Resulting Numbers: [88] 88,56 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: 56:[30, 94, 36], Operations: ['86-50=36'] Exploring Operation: 30+94=124, Resulting Numbers: [36, 124] Generated Node #0,4,0: 56:[36, 124] Operation: 30+94=124 Exploring Operation: 94-36=58, Resulting Numbers: [30, 58] Generated Node #0,4,1: 56:[30, 58] Operation: 94-36=58 Exploring Operation: 94-30=64, Resulting Numbers: [36, 64] Generated Node #0,4,2: 56:[36, 64] Operation: 94-30=64 Exploring Operation: 36-30=6, Resulting Numbers: [94, 6] Generated Node #0,4,3: 56:[94, 6] Operation: 36-30=6 Exploring Operation: 30+36=66, Resulting Numbers: [94, 66] Generated Node #0,4,4: 56:[94, 66] Operation: 30+36=66 Moving to Node #0,1,0 Current State: 56:[30, 58], Operations: ['94-86=8', '50+8=58'] Exploring Operation: 58-30=28, Resulting Numbers: [28] 28,56 unequal: No Solution Exploring Operation: 30+58=88, Resulting Numbers: [88] 88,56 unequal: No Solution Exploring Operation: 30*58=1740, Resulting Numbers: [1740] 1740,56 unequal: No Solution Moving to Node #0,4,1 Current State: 56:[30, 58], Operations: ['86-50=36', '94-36=58'] Exploring Operation: 30*58=1740, Resulting Numbers: [1740] 1740,56 unequal: No Solution Exploring Operation: 30+58=88, Resulting Numbers: [88] 88,56 unequal: No Solution Exploring Operation: 58-30=28, Resulting Numbers: [28] 28,56 unequal: No Solution Moving to Node #0,1,1 Current State: 56:[8, 20], Operations: ['94-86=8', '50-30=20'] Exploring Operation: 8+20=28, Resulting Numbers: [28] 28,56 unequal: No Solution Exploring Operation: 8*20=160, Resulting Numbers: [160] 160,56 unequal: No Solution Exploring Operation: 20-8=12, Resulting Numbers: [12] 12,56 unequal: No Solution Moving to Node #0,1,3 Current State: 56:[50, 22], Operations: ['94-86=8', '30-8=22'] Exploring Operation: 50-22=28, Resulting Numbers: [28] 28,56 unequal: No Solution Exploring Operation: 50*22=1100, Resulting Numbers: [1100] 1100,56 unequal: No Solution Exploring Operation: 50+22=72, Resulting Numbers: [72] 72,56 unequal: No Solution Moving to Node #0,0,4 Current State: 56:[44, 56], Operations: ['94-50=44', '86-30=56'] Exploring Operation: 44*56=2464, Resulting Numbers: [2464] 2464,56 unequal: No Solution Exploring Operation: 44+56=100, Resulting Numbers: [100] 100,56 unequal: No Solution Exploring Operation: 56-44=12, Resulting Numbers: [12] 12,56 unequal: No Solution Moving to Node #0,0,2 Current State: 56:[30, 42], Operations: ['94-50=44', '86-44=42'] Exploring Operation: 42-30=12, Resulting Numbers: [12] 12,56 unequal: No Solution Exploring Operation: 30+42=72, Resulting Numbers: [72] 72,56 unequal: No Solution Exploring Operation: 30*42=1260, Resulting Numbers: [1260] 1260,56 unequal: No Solution Moving to Node #0,4,2 Current State: 56:[36, 64], Operations: ['86-50=36', '94-30=64'] Exploring Operation: 64-36=28, Resulting Numbers: [28] 28,56 unequal: No Solution Exploring Operation: 36*64=2304, Resulting Numbers: [2304] 2304,56 unequal: No Solution Exploring Operation: 36+64=100, Resulting Numbers: [100] 100,56 unequal: No Solution Moving to Node #0,1,4 Current State: 56:[30, 42], Operations: ['94-86=8', '50-8=42'] Exploring Operation: 30+42=72, Resulting Numbers: [72] 72,56 unequal: No Solution Exploring Operation: 42-30=12, Resulting Numbers: [12] 12,56 unequal: No Solution Exploring Operation: 30*42=1260, Resulting Numbers: [1260] 1260,56 unequal: No Solution Moving to Node #0,1,2 Current State: 56:[50, 38], Operations: ['94-86=8', '30+8=38'] Exploring Operation: 50*38=1900, Resulting Numbers: [1900] 1900,56 unequal: No Solution Exploring Operation: 50+38=88, Resulting Numbers: [88] 88,56 unequal: No Solution Exploring Operation: 50-38=12, Resulting Numbers: [12] 12,56 unequal: No Solution Moving to Node #0,0,3 Current State: 56:[86, 14], Operations: ['94-50=44', '44-30=14'] Exploring Operation: 86+14=100, Resulting Numbers: [100] 100,56 unequal: No Solution Exploring Operation: 86-14=72, Resulting Numbers: [72] 72,56 unequal: No Solution Exploring Operation: 86*14=1204, Resulting Numbers: [1204] 1204,56 unequal: No Solution Moving to Node #0,4,3 Current State: 56:[94, 6], Operations: ['86-50=36', '36-30=6'] Exploring Operation: 94+6=100, Resulting Numbers: [100] 100,56 unequal: No Solution Exploring Operation: 94-6=88, Resulting Numbers: [88] 88,56 unequal: No Solution Exploring Operation: 94*6=564, Resulting Numbers: [564] 564,56 unequal: No Solution Moving to Node #0,4,4 Current State: 56:[94, 66], Operations: ['86-50=36', '30+36=66'] Exploring Operation: 94-66=28, Resulting Numbers: [28] 28,56 unequal: No Solution Exploring Operation: 94+66=160, Resulting Numbers: [160] 160,56 unequal: No Solution Exploring Operation: 94*66=6204, Resulting Numbers: [6204] 6204,56 unequal: No Solution Moving to Node #0,0,1 Current State: 56:[86, 74], Operations: ['94-50=44', '30+44=74'] Exploring Operation: 86*74=6364, Resulting Numbers: [6364] 6364,56 unequal: No Solution Exploring Operation: 86-74=12, Resulting Numbers: [12] 12,56 unequal: No Solution Exploring Operation: 86+74=160, Resulting Numbers: [160] 160,56 unequal: No Solution Moving to Node #0,0,0 Current State: 56:[44, 116], Operations: ['94-50=44', '86+30=116'] Exploring Operation: 44+116=160, Resulting Numbers: [160] 160,56 unequal: No Solution Exploring Operation: 116-44=72, Resulting Numbers: [72] 72,56 unequal: No Solution Exploring Operation: 44*116=5104, Resulting Numbers: [5104] 5104,56 unequal: No Solution Moving to Node #0,4,0 Current State: 56:[36, 124], Operations: ['86-50=36', '30+94=124'] Exploring Operation: 36*124=4464, Resulting Numbers: [4464] 4464,56 unequal: No Solution Exploring Operation: 36+124=160, Resulting Numbers: [160] 160,56 unequal: No Solution Exploring Operation: 124-36=88, Resulting Numbers: [88] 88,56 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 76, 98, 18, 73 ]
92
[ "76-73=3", "18/3=6", "98-6=92" ]
Current State: 92:[76, 98, 18, 73], Operations: [] Exploring Operation: 76-73=3, Resulting Numbers: [98, 18, 3] Generated Node #2: [98, 18, 3] from Operation: 76-73=3 Current State: 92:[98, 18, 3], Operations: ['76-73=3'] Exploring Operation: 18/3=6, Resulting Numbers: [98, 6] Generated Node #3: [98, 6] from Operation: 18/3=6 Current State: 92:[98, 6], Operations: ['76-73=3', '18/3=6'] Exploring Operation: 98-6=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
4
Current State: 92:[76, 98, 18, 73], Operations: [] Exploring Operation: 76-73=3, Resulting Numbers: [98, 18, 3] Generated Node #0,0: 92:[98, 18, 3] Operation: 76-73=3 Start Sub Search at level 1: Moving to Node #0,0 Current State: 92:[98, 18, 3], Operations: ['76-73=3'] Exploring Operation: 98-3=95, Resulting Numbers: [18, 95] Generated Node #0,0,0: 92:[18, 95] Operation: 98-3=95 Moving to Node #0,0,0 Current State: 92:[18, 95], Operations: ['76-73=3', '98-3=95'] Exploring Operation: 95-18=77, Resulting Numbers: [77] 77,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 10, 15, 11, 8 ]
99
[ "10+11=21", "15*8=120", "120-21=99" ]
Current State: 99:[10, 15, 11, 8], Operations: [] Exploring Operation: 10+11=21, Resulting Numbers: [15, 8, 21] Generated Node #2: [15, 8, 21] from Operation: 10+11=21 Current State: 99:[15, 8, 21], Operations: ['10+11=21'] Exploring Operation: 15*8=120, Resulting Numbers: [21, 120] Generated Node #3: [21, 120] from Operation: 15*8=120 Current State: 99:[21, 120], Operations: ['10+11=21', '15*8=120'] Exploring Operation: 120-21=99, Resulting Numbers: [99] 99,99 equal: Goal Reached
4
Current State: 99:[10, 15, 11, 8], Operations: [] Exploring Operation: 15-11=4, Resulting Numbers: [10, 8, 4] Generated Node #0,0: 99:[10, 8, 4] Operation: 15-11=4 Exploring Operation: 15-10=5, Resulting Numbers: [11, 8, 5] Generated Node #0,1: 99:[11, 8, 5] Operation: 15-10=5 Start Sub Search at level 1: Moving to Node #0,0 Current State: 99:[10, 8, 4], Operations: ['15-11=4'] Exploring Operation: 10-8=2, Resulting Numbers: [4, 2] Generated Node #0,0,0: 99:[4, 2] Operation: 10-8=2 Exploring Operation: 8+4=12, Resulting Numbers: [10, 12] Generated Node #0,0,1: 99:[10, 12] Operation: 8+4=12 Moving to Node #0,0,0 Current State: 99:[4, 2], Operations: ['15-11=4', '10-8=2'] Exploring Operation: 4-2=2, Resulting Numbers: [2] 2,99 unequal: No Solution Exploring Operation: 4*2=8, Resulting Numbers: [8] 8,99 unequal: No Solution Moving to Node #0,0,1 Current State: 99:[10, 12], Operations: ['15-11=4', '8+4=12'] Exploring Operation: 12-10=2, Resulting Numbers: [2] 2,99 unequal: No Solution Exploring Operation: 10+12=22, Resulting Numbers: [22] 22,99 unequal: No Solution No 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: 99:[11, 8, 5], Operations: ['15-10=5'] Exploring Operation: 11-8=3, Resulting Numbers: [5, 3] Generated Node #0,1,0: 99:[5, 3] Operation: 11-8=3 Exploring Operation: 8-5=3, Resulting Numbers: [11, 3] Generated Node #0,1,1: 99:[11, 3] Operation: 8-5=3 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 99:[11, 3], Operations: ['15-10=5', '8-5=3'] Exploring Operation: 11*3=33, Resulting Numbers: [33] 33,99 unequal: No Solution Exploring Operation: 11-3=8, Resulting Numbers: [8] 8,99 unequal: No Solution No 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: 99:[5, 3], Operations: ['15-10=5', '11-8=3'] Exploring Operation: 5+3=8, Resulting Numbers: [8] 8,99 unequal: No Solution Exploring Operation: 5-3=2, Resulting Numbers: [2] 2,99 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
[ 75, 40, 32, 14 ]
17
[ "75-40=35", "32-14=18", "35-18=17" ]
Current State: 17:[75, 40, 32, 14], Operations: [] Exploring Operation: 75-40=35, Resulting Numbers: [32, 14, 35] Generated Node #2: [32, 14, 35] from Operation: 75-40=35 Current State: 17:[32, 14, 35], Operations: ['75-40=35'] Exploring Operation: 32-14=18, Resulting Numbers: [35, 18] Generated Node #3: [35, 18] from Operation: 32-14=18 Current State: 17:[35, 18], Operations: ['75-40=35', '32-14=18'] Exploring Operation: 35-18=17, Resulting Numbers: [17] 17,17 equal: Goal Reached
4
Current State: 17:[75, 40, 32, 14], Operations: [] Exploring Operation: 40-32=8, Resulting Numbers: [75, 14, 8] Generated Node #0,0: 17:[75, 14, 8] Operation: 40-32=8 Exploring Operation: 75-40=35, Resulting Numbers: [32, 14, 35] Generated Node #0,1: 17:[32, 14, 35] Operation: 75-40=35 Exploring Operation: 75-32=43, Resulting Numbers: [40, 14, 43] Generated Node #0,2: 17:[40, 14, 43] Operation: 75-32=43 Exploring Operation: 75-14=61, Resulting Numbers: [40, 32, 61] Generated Node #0,3: 17:[40, 32, 61] Operation: 75-14=61 Moving to Node #0,1 Current State: 17:[32, 14, 35], Operations: ['75-40=35'] Exploring Operation: 32+14=46, Resulting Numbers: [35, 46] Generated Node #0,1,0: 17:[35, 46] Operation: 32+14=46 Exploring Operation: 32-14=18, Resulting Numbers: [35, 18] Generated Node #0,1,1: 17:[35, 18] Operation: 32-14=18 Exploring Operation: 35-14=21, Resulting Numbers: [32, 21] Generated Node #0,1,2: 17:[32, 21] Operation: 35-14=21 Exploring Operation: 35-32=3, Resulting Numbers: [14, 3] Generated Node #0,1,3: 17:[14, 3] Operation: 35-32=3 Moving to Node #0,2 Current State: 17:[40, 14, 43], Operations: ['75-32=43'] Exploring Operation: 43-14=29, Resulting Numbers: [40, 29] Generated Node #0,2,0: 17:[40, 29] Operation: 43-14=29 Exploring Operation: 43-40=3, Resulting Numbers: [14, 3] Generated Node #0,2,1: 17:[14, 3] Operation: 43-40=3 Exploring Operation: 40+14=54, Resulting Numbers: [43, 54] Generated Node #0,2,2: 17:[43, 54] Operation: 40+14=54 Exploring Operation: 40-14=26, Resulting Numbers: [43, 26] Generated Node #0,2,3: 17:[43, 26] Operation: 40-14=26 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 17:[14, 3], Operations: ['75-32=43', '43-40=3'] Exploring Operation: 14*3=42, Resulting Numbers: [42] 42,17 unequal: No Solution Exploring Operation: 14+3=17, Resulting Numbers: [17] 17,17 equal: Goal Reached Moving to Node #0 Current State: 17:[75, 40, 32, 14], Operations: [] Exploring Operation: 75-32=43, Resulting Numbers: [40, 14, 43] Generated Node #0,2: 17:[40, 14, 43] Operation: 75-32=43 Moving to Node #0,2 Current State: 17:[40, 14, 43], Operations: ['75-32=43'] Exploring Operation: 43-40=3, Resulting Numbers: [14, 3] Generated Node #0,2,1: 17:[14, 3] Operation: 43-40=3 Moving to Node #0,2,1 Current State: 17:[14, 3], Operations: ['75-32=43', '43-40=3'] Exploring Operation: 14+3=17, Resulting Numbers: [17] 17,17 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_4
mult_heuristic
[ 57, 13, 81, 76 ]
87
[ "57+13=70", "81+76=157", "157-70=87" ]
Current State: 87:[57, 13, 81, 76], Operations: [] Exploring Operation: 57+13=70, Resulting Numbers: [81, 76, 70] Generated Node #2: [81, 76, 70] from Operation: 57+13=70 Current State: 87:[81, 76, 70], Operations: ['57+13=70'] Exploring Operation: 81+76=157, Resulting Numbers: [70, 157] Generated Node #3: [70, 157] from Operation: 81+76=157 Current State: 87:[70, 157], Operations: ['57+13=70', '81+76=157'] Exploring Operation: 157-70=87, Resulting Numbers: [87] 87,87 equal: Goal Reached
4
Current State: 87:[57, 13, 81, 76], Operations: [] Exploring Operation: 81-57=24, Resulting Numbers: [13, 76, 24] Generated Node #0,0: 87:[13, 76, 24] Operation: 81-57=24 Moving to Node #0,0 Current State: 87:[13, 76, 24], Operations: ['81-57=24'] Exploring Operation: 13+76=89, Resulting Numbers: [24, 89] Generated Node #0,0,0: 87:[24, 89] Operation: 13+76=89 Moving to Node #0,0,0 Current State: 87:[24, 89], Operations: ['81-57=24', '13+76=89'] Exploring Operation: 89-24=65, Resulting Numbers: [65] 65,87 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 1, 4, 19, 20 ]
62
[ "19-1=18", "4*20=80", "80-18=62" ]
Current State: 62:[1, 4, 19, 20], Operations: [] Exploring Operation: 19-1=18, Resulting Numbers: [4, 20, 18] Generated Node #2: [4, 20, 18] from Operation: 19-1=18 Current State: 62:[4, 20, 18], Operations: ['19-1=18'] Exploring Operation: 4*20=80, Resulting Numbers: [18, 80] Generated Node #3: [18, 80] from Operation: 4*20=80 Current State: 62:[18, 80], Operations: ['19-1=18', '4*20=80'] Exploring Operation: 80-18=62, Resulting Numbers: [62] 62,62 equal: Goal Reached
4
Current State: 62:[1, 4, 19, 20], Operations: [] Exploring Operation: 20/4=5, Resulting Numbers: [1, 19, 5] Generated Node #0,0: 62:[1, 19, 5] Operation: 20/4=5 Exploring Operation: 19+20=39, Resulting Numbers: [1, 4, 39] Generated Node #0,1: 62:[1, 4, 39] Operation: 19+20=39 Exploring Operation: 20-19=1, Resulting Numbers: [1, 4, 1] Generated Node #0,2: 62:[1, 4, 1] Operation: 20-19=1 Moving to Node #0,2 Current State: 62:[1, 4, 1], Operations: ['20-19=1'] Exploring Operation: 4-1=3, Resulting Numbers: [1, 3] Generated Node #0,2,0: 62:[1, 3] Operation: 4-1=3 Exploring Operation: 1+1=2, Resulting Numbers: [4, 2] Generated Node #0,2,1: 62:[4, 2] Operation: 1+1=2 Exploring Operation: 4-1=3, Resulting Numbers: [1, 3] Generated Node #0,2,2: 62:[1, 3] Operation: 4-1=3 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 62:[1, 3], Operations: ['20-19=1', '4-1=3'] Exploring Operation: 3-1=2, Resulting Numbers: [2] 2,62 unequal: No Solution Exploring Operation: 1*3=3, Resulting Numbers: [3] 3,62 unequal: No Solution Exploring Operation: 3/1=3, Resulting Numbers: [3] 3,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 62:[4, 2], Operations: ['20-19=1', '1+1=2'] Exploring Operation: 4/2=2, Resulting Numbers: [2] 2,62 unequal: No Solution Exploring Operation: 4+2=6, Resulting Numbers: [6] 6,62 unequal: No Solution Exploring Operation: 4-2=2, Resulting Numbers: [2] 2,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 62:[1, 3], Operations: ['20-19=1', '4-1=3'] Exploring Operation: 3/1=3, Resulting Numbers: [3] 3,62 unequal: No Solution Exploring Operation: 3-1=2, Resulting Numbers: [2] 2,62 unequal: No Solution Exploring Operation: 1*3=3, Resulting Numbers: [3] 3,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 62:[1, 4, 39], Operations: ['19+20=39'] Exploring Operation: 39-1=38, Resulting Numbers: [4, 38] Generated Node #0,1,0: 62:[4, 38] Operation: 39-1=38 Exploring Operation: 39-4=35, Resulting Numbers: [1, 35] Generated Node #0,1,1: 62:[1, 35] Operation: 39-4=35 Exploring Operation: 4-1=3, Resulting Numbers: [39, 3] Generated Node #0,1,2: 62:[39, 3] Operation: 4-1=3 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 62:[1, 35], Operations: ['19+20=39', '39-4=35'] Exploring Operation: 1*35=35, Resulting Numbers: [35] 35,62 unequal: No Solution Exploring Operation: 35-1=34, Resulting Numbers: [34] 34,62 unequal: No Solution Exploring Operation: 35/1=35, Resulting Numbers: [35] 35,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 62:[4, 38], Operations: ['19+20=39', '39-1=38'] Exploring Operation: 4+38=42, Resulting Numbers: [42] 42,62 unequal: No Solution Exploring Operation: 38-4=34, Resulting Numbers: [34] 34,62 unequal: No Solution Exploring Operation: 4*38=152, Resulting Numbers: [152] 152,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 62:[39, 3], Operations: ['19+20=39', '4-1=3'] Exploring Operation: 39+3=42, Resulting Numbers: [42] 42,62 unequal: No Solution Exploring Operation: 39/3=13, Resulting Numbers: [13] 13,62 unequal: No Solution Exploring Operation: 39-3=36, Resulting Numbers: [36] 36,62 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: 62:[1, 19, 5], Operations: ['20/4=5'] Exploring Operation: 1+19=20, Resulting Numbers: [5, 20] Generated Node #0,0,0: 62:[5, 20] Operation: 1+19=20 Exploring Operation: 19+5=24, Resulting Numbers: [1, 24] Generated Node #0,0,1: 62:[1, 24] Operation: 19+5=24 Exploring Operation: 19-5=14, Resulting Numbers: [1, 14] Generated Node #0,0,2: 62:[1, 14] Operation: 19-5=14 Moving to Node #0,0,1 Current State: 62:[1, 24], Operations: ['20/4=5', '19+5=24'] Exploring Operation: 1+24=25, Resulting Numbers: [25] 25,62 unequal: No Solution Exploring Operation: 1*24=24, Resulting Numbers: [24] 24,62 unequal: No Solution Exploring Operation: 24/1=24, Resulting Numbers: [24] 24,62 unequal: No Solution Moving to Node #0,0,2 Current State: 62:[1, 14], Operations: ['20/4=5', '19-5=14'] Exploring Operation: 14-1=13, Resulting Numbers: [13] 13,62 unequal: No Solution Exploring Operation: 1*14=14, Resulting Numbers: [14] 14,62 unequal: No Solution Exploring Operation: 14/1=14, Resulting Numbers: [14] 14,62 unequal: No Solution Moving to Node #0,0,0 Current State: 62:[5, 20], Operations: ['20/4=5', '1+19=20'] Exploring Operation: 20-5=15, Resulting Numbers: [15] 15,62 unequal: No Solution Exploring Operation: 5+20=25, Resulting Numbers: [25] 25,62 unequal: No Solution Exploring Operation: 20/5=4, Resulting Numbers: [4] 4,62 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 1, 12, 76, 74 ]
14
[ "1*12=12", "76-74=2", "12+2=14" ]
Current State: 14:[1, 12, 76, 74], Operations: [] Exploring Operation: 1*12=12, Resulting Numbers: [76, 74, 12] Generated Node #2: [76, 74, 12] from Operation: 1*12=12 Current State: 14:[76, 74, 12], Operations: ['1*12=12'] Exploring Operation: 76-74=2, Resulting Numbers: [12, 2] Generated Node #3: [12, 2] from Operation: 76-74=2 Current State: 14:[12, 2], Operations: ['1*12=12', '76-74=2'] Exploring Operation: 12+2=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
4
Current State: 14:[1, 12, 76, 74], Operations: [] Exploring Operation: 1+12=13, Resulting Numbers: [76, 74, 13] Generated Node #0,0: 14:[76, 74, 13] Operation: 1+12=13 Exploring Operation: 76-12=64, Resulting Numbers: [1, 74, 64] Generated Node #0,1: 14:[1, 74, 64] Operation: 76-12=64 Exploring Operation: 74-12=62, Resulting Numbers: [1, 76, 62] Generated Node #0,2: 14:[1, 76, 62] Operation: 74-12=62 Exploring Operation: 76-74=2, Resulting Numbers: [1, 12, 2] Generated Node #0,3: 14:[1, 12, 2] Operation: 76-74=2 Moving to Node #0,3 Current State: 14:[1, 12, 2], Operations: ['76-74=2'] Exploring Operation: 12/1=12, Resulting Numbers: [2, 12] Generated Node #0,3,0: 14:[2, 12] Operation: 12/1=12 Exploring Operation: 1+12=13, Resulting Numbers: [2, 13] Generated Node #0,3,1: 14:[2, 13] Operation: 1+12=13 Exploring Operation: 12+2=14, Resulting Numbers: [1, 14] Generated Node #0,3,2: 14:[1, 14] Operation: 12+2=14 Exploring Operation: 1*12=12, Resulting Numbers: [2, 12] Generated Node #0,3,3: 14:[2, 12] Operation: 1*12=12 Moving to Node #0,2 Current State: 14:[1, 76, 62], Operations: ['74-12=62'] Exploring Operation: 76-1=75, Resulting Numbers: [62, 75] Generated Node #0,2,0: 14:[62, 75] Operation: 76-1=75 Exploring Operation: 76-62=14, Resulting Numbers: [1, 14] Generated Node #0,2,1: 14:[1, 14] Operation: 76-62=14 Exploring Operation: 1*76=76, Resulting Numbers: [62, 76] Generated Node #0,2,2: 14:[62, 76] Operation: 1*76=76 Exploring Operation: 62-1=61, Resulting Numbers: [76, 61] Generated Node #0,2,3: 14:[76, 61] Operation: 62-1=61 Moving to Node #0,1 Current State: 14:[1, 74, 64], Operations: ['76-12=64'] Exploring Operation: 74-64=10, Resulting Numbers: [1, 10] Generated Node #0,1,0: 14:[1, 10] Operation: 74-64=10 Exploring Operation: 74-1=73, Resulting Numbers: [64, 73] Generated Node #0,1,1: 14:[64, 73] Operation: 74-1=73 Exploring Operation: 64-1=63, Resulting Numbers: [74, 63] Generated Node #0,1,2: 14:[74, 63] Operation: 64-1=63 Exploring Operation: 1*74=74, Resulting Numbers: [64, 74] Generated Node #0,1,3: 14:[64, 74] Operation: 1*74=74 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 14:[1, 10], Operations: ['76-12=64', '74-64=10'] Exploring Operation: 1*10=10, Resulting Numbers: [10] 10,14 unequal: No Solution Exploring Operation: 10/1=10, Resulting Numbers: [10] 10,14 unequal: No Solution Exploring Operation: 1+10=11, Resulting Numbers: [11] 11,14 unequal: No Solution Exploring Operation: 10-1=9, Resulting Numbers: [9] 9,14 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 14:[64, 73], Operations: ['76-12=64', '74-1=73'] Exploring Operation: 73-64=9, Resulting Numbers: [9] 9,14 unequal: No Solution Exploring Operation: 64*73=4672, Resulting Numbers: [4672] 4672,14 unequal: No Solution Exploring Operation: 64+73=137, Resulting Numbers: [137] 137,14 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 14:[74, 63], Operations: ['76-12=64', '64-1=63'] Exploring Operation: 74-63=11, Resulting Numbers: [11] 11,14 unequal: No Solution Exploring Operation: 74*63=4662, Resulting Numbers: [4662] 4662,14 unequal: No Solution Exploring Operation: 74+63=137, Resulting Numbers: [137] 137,14 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 14:[64, 74], Operations: ['76-12=64', '1*74=74'] Exploring Operation: 74-64=10, Resulting Numbers: [10] 10,14 unequal: No Solution Exploring Operation: 64+74=138, Resulting Numbers: [138] 138,14 unequal: No Solution Exploring Operation: 64*74=4736, Resulting Numbers: [4736] 4736,14 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: 14:[76, 74, 13], Operations: ['1+12=13'] Exploring Operation: 76+13=89, Resulting Numbers: [74, 89] Generated Node #0,0,0: 14:[74, 89] Operation: 76+13=89 Exploring Operation: 76-13=63, Resulting Numbers: [74, 63] Generated Node #0,0,1: 14:[74, 63] Operation: 76-13=63 Exploring Operation: 76-74=2, Resulting Numbers: [13, 2] Generated Node #0,0,2: 14:[13, 2] Operation: 76-74=2 Exploring Operation: 74-13=61, Resulting Numbers: [76, 61] Generated Node #0,0,3: 14:[76, 61] Operation: 74-13=61 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 14:[13, 2], Operations: ['1+12=13', '76-74=2'] Exploring Operation: 13-2=11, Resulting Numbers: [11] 11,14 unequal: No Solution Exploring Operation: 13*2=26, Resulting Numbers: [26] 26,14 unequal: No Solution Exploring Operation: 13+2=15, Resulting Numbers: [15] 15,14 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 14:[74, 63], Operations: ['1+12=13', '76-13=63'] Exploring Operation: 74+63=137, Resulting Numbers: [137] 137,14 unequal: No Solution Exploring Operation: 74-63=11, Resulting Numbers: [11] 11,14 unequal: No Solution Exploring Operation: 74*63=4662, Resulting Numbers: [4662] 4662,14 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 14:[76, 61], Operations: ['1+12=13', '74-13=61'] Exploring Operation: 76+61=137, Resulting Numbers: [137] 137,14 unequal: No Solution Exploring Operation: 76-61=15, Resulting Numbers: [15] 15,14 unequal: No Solution Exploring Operation: 76*61=4636, Resulting Numbers: [4636] 4636,14 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 14:[74, 89], Operations: ['1+12=13', '76+13=89'] Exploring Operation: 89-74=15, Resulting Numbers: [15] 15,14 unequal: No Solution Exploring Operation: 74+89=163, Resulting Numbers: [163] 163,14 unequal: No Solution Exploring Operation: 74*89=6586, Resulting Numbers: [6586] 6586,14 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3,1 Current State: 14:[2, 13], Operations: ['76-74=2', '1+12=13'] Exploring Operation: 2*13=26, Resulting Numbers: [26] 26,14 unequal: No Solution Exploring Operation: 2+13=15, Resulting Numbers: [15] 15,14 unequal: No Solution Exploring Operation: 13-2=11, Resulting Numbers: [11] 11,14 unequal: No Solution Moving to Node #0,3,2 Current State: 14:[1, 14], Operations: ['76-74=2', '12+2=14'] Exploring Operation: 14/1=14, Resulting Numbers: [14] 14,14 equal: Goal Reached Moving to Node #0 Current State: 14:[1, 12, 76, 74], Operations: [] Exploring Operation: 76-74=2, Resulting Numbers: [1, 12, 2] Generated Node #0,3: 14:[1, 12, 2] Operation: 76-74=2 Moving to Node #0,3 Current State: 14:[1, 12, 2], Operations: ['76-74=2'] Exploring Operation: 12+2=14, Resulting Numbers: [1, 14] Generated Node #0,3,2: 14:[1, 14] Operation: 12+2=14 Moving to Node #0,3,2 Current State: 14:[1, 14], Operations: ['76-74=2', '12+2=14'] Exploring Operation: 14/1=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
0.953993
hs_4
mult_heuristic
[ 21, 38, 50, 16 ]
49
[ "38-21=17", "50+16=66", "66-17=49" ]
Current State: 49:[21, 38, 50, 16], Operations: [] Exploring Operation: 38-21=17, Resulting Numbers: [50, 16, 17] Generated Node #2: [50, 16, 17] from Operation: 38-21=17 Current State: 49:[50, 16, 17], Operations: ['38-21=17'] Exploring Operation: 50+16=66, Resulting Numbers: [17, 66] Generated Node #3: [17, 66] from Operation: 50+16=66 Current State: 49:[17, 66], Operations: ['38-21=17', '50+16=66'] Exploring Operation: 66-17=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
4
Current State: 49:[21, 38, 50, 16], Operations: [] Exploring Operation: 21+38=59, Resulting Numbers: [50, 16, 59] Generated Node #0,0: 49:[50, 16, 59] Operation: 21+38=59 Exploring Operation: 21-16=5, Resulting Numbers: [38, 50, 5] Generated Node #0,1: 49:[38, 50, 5] Operation: 21-16=5 Start Sub Search at level 1: Moving to Node #0,1 Current State: 49:[38, 50, 5], Operations: ['21-16=5'] Exploring Operation: 38+5=43, Resulting Numbers: [50, 43] Generated Node #0,1,0: 49:[50, 43] Operation: 38+5=43 Exploring Operation: 50-38=12, Resulting Numbers: [5, 12] Generated Node #0,1,1: 49:[5, 12] Operation: 50-38=12 Moving to Node #0,1,0 Current State: 49:[50, 43], Operations: ['21-16=5', '38+5=43'] Exploring Operation: 50-43=7, Resulting Numbers: [7] 7,49 unequal: No Solution Exploring Operation: 50+43=93, Resulting Numbers: [93] 93,49 unequal: No Solution Moving to Node #0,1,1 Current State: 49:[5, 12], Operations: ['21-16=5', '50-38=12'] Exploring Operation: 5+12=17, Resulting Numbers: [17] 17,49 unequal: No Solution Exploring Operation: 12-5=7, Resulting Numbers: [7] 7,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 49:[50, 16, 59], Operations: ['21+38=59'] Exploring Operation: 59-16=43, Resulting Numbers: [50, 43] Generated Node #0,0,0: 49:[50, 43] Operation: 59-16=43 Exploring Operation: 59-50=9, Resulting Numbers: [16, 9] Generated Node #0,0,1: 49:[16, 9] Operation: 59-50=9 Moving to Node #0,0,0 Current State: 49:[50, 43], Operations: ['21+38=59', '59-16=43'] Exploring Operation: 50+43=93, Resulting Numbers: [93] 93,49 unequal: No Solution Exploring Operation: 50-43=7, Resulting Numbers: [7] 7,49 unequal: No Solution Moving to Node #0,0,1 Current State: 49:[16, 9], Operations: ['21+38=59', '59-50=9'] Exploring Operation: 16+9=25, Resulting Numbers: [25] 25,49 unequal: No Solution Exploring Operation: 16-9=7, Resulting Numbers: [7] 7,49 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
[ 8, 14, 55, 90 ]
29
[ "14-8=6", "90-55=35", "35-6=29" ]
Current State: 29:[8, 14, 55, 90], Operations: [] Exploring Operation: 14-8=6, Resulting Numbers: [55, 90, 6] Generated Node #2: [55, 90, 6] from Operation: 14-8=6 Current State: 29:[55, 90, 6], Operations: ['14-8=6'] Exploring Operation: 90-55=35, Resulting Numbers: [6, 35] Generated Node #3: [6, 35] from Operation: 90-55=35 Current State: 29:[6, 35], Operations: ['14-8=6', '90-55=35'] Exploring Operation: 35-6=29, Resulting Numbers: [29] 29,29 equal: Goal Reached
4
Current State: 29:[8, 14, 55, 90], Operations: [] Exploring Operation: 90-55=35, Resulting Numbers: [8, 14, 35] Generated Node #0,0: 29:[8, 14, 35] Operation: 90-55=35 Exploring Operation: 55-14=41, Resulting Numbers: [8, 90, 41] Generated Node #0,1: 29:[8, 90, 41] Operation: 55-14=41 Exploring Operation: 90-8=82, Resulting Numbers: [14, 55, 82] Generated Node #0,2: 29:[14, 55, 82] Operation: 90-8=82 Exploring Operation: 55-8=47, Resulting Numbers: [14, 90, 47] Generated Node #0,3: 29:[14, 90, 47] Operation: 55-8=47 Exploring Operation: 8+14=22, Resulting Numbers: [55, 90, 22] Generated Node #0,4: 29:[55, 90, 22] Operation: 8+14=22 Start Sub Search at level 1: Moving to Node #0,0 Current State: 29:[8, 14, 35], Operations: ['90-55=35'] Exploring Operation: 35-14=21, Resulting Numbers: [8, 21] Generated Node #0,0,0: 29:[8, 21] Operation: 35-14=21 Exploring Operation: 8+14=22, Resulting Numbers: [35, 22] Generated Node #0,0,1: 29:[35, 22] Operation: 8+14=22 Exploring Operation: 8+35=43, Resulting Numbers: [14, 43] Generated Node #0,0,2: 29:[14, 43] Operation: 8+35=43 Exploring Operation: 35-8=27, Resulting Numbers: [14, 27] Generated Node #0,0,3: 29:[14, 27] Operation: 35-8=27 Exploring Operation: 14-8=6, Resulting Numbers: [35, 6] Generated Node #0,0,4: 29:[35, 6] Operation: 14-8=6 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 29:[35, 22], Operations: ['90-55=35', '8+14=22'] Exploring Operation: 35+22=57, Resulting Numbers: [57] 57,29 unequal: No Solution Exploring Operation: 35-22=13, Resulting Numbers: [13] 13,29 unequal: No Solution Exploring Operation: 35*22=770, Resulting Numbers: [770] 770,29 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:[14, 27], Operations: ['90-55=35', '35-8=27'] Exploring Operation: 14*27=378, Resulting Numbers: [378] 378,29 unequal: No Solution Exploring Operation: 27-14=13, Resulting Numbers: [13] 13,29 unequal: No Solution Exploring Operation: 14+27=41, Resulting Numbers: [41] 41,29 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 29:[8, 21], Operations: ['90-55=35', '35-14=21'] Exploring Operation: 21-8=13, Resulting Numbers: [13] 13,29 unequal: No Solution Exploring Operation: 8*21=168, Resulting Numbers: [168] 168,29 unequal: No Solution Exploring Operation: 8+21=29, Resulting Numbers: [29] 29,29 equal: Goal Reached Moving to Node #0 Current State: 29:[8, 14, 55, 90], Operations: [] Exploring Operation: 90-55=35, Resulting Numbers: [8, 14, 35] Generated Node #0,0: 29:[8, 14, 35] Operation: 90-55=35 Moving to Node #0,0 Current State: 29:[8, 14, 35], Operations: ['90-55=35'] Exploring Operation: 35-14=21, Resulting Numbers: [8, 21] Generated Node #0,0,0: 29:[8, 21] Operation: 35-14=21 Moving to Node #0,0,0 Current State: 29:[8, 21], Operations: ['90-55=35', '35-14=21'] Exploring Operation: 8+21=29, Resulting Numbers: [29] 29,29 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.980035
hs_5
mult_heuristic
[ 6, 83, 22, 90 ]
90
[ "90/6=15", "83+22=105", "105-15=90" ]
Current State: 90:[6, 83, 22, 90], Operations: [] Exploring Operation: 90/6=15, Resulting Numbers: [83, 22, 15] Generated Node #2: [83, 22, 15] from Operation: 90/6=15 Current State: 90:[83, 22, 15], Operations: ['90/6=15'] Exploring Operation: 83+22=105, Resulting Numbers: [15, 105] Generated Node #3: [15, 105] from Operation: 83+22=105 Current State: 90:[15, 105], Operations: ['90/6=15', '83+22=105'] Exploring Operation: 105-15=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
4
Current State: 90:[6, 83, 22, 90], Operations: [] Exploring Operation: 90-83=7, Resulting Numbers: [6, 22, 7] Generated Node #0,0: 90:[6, 22, 7] Operation: 90-83=7 Exploring Operation: 22-6=16, Resulting Numbers: [83, 90, 16] Generated Node #0,1: 90:[83, 90, 16] Operation: 22-6=16 Exploring Operation: 6+83=89, Resulting Numbers: [22, 90, 89] Generated Node #0,2: 90:[22, 90, 89] Operation: 6+83=89 Exploring Operation: 6+22=28, Resulting Numbers: [83, 90, 28] Generated Node #0,3: 90:[83, 90, 28] Operation: 6+22=28 Exploring Operation: 90/6=15, Resulting Numbers: [83, 22, 15] Generated Node #0,4: 90:[83, 22, 15] Operation: 90/6=15 Moving to Node #0,0 Current State: 90:[6, 22, 7], Operations: ['90-83=7'] Exploring Operation: 22-7=15, Resulting Numbers: [6, 15] Generated Node #0,0,0: 90:[6, 15] Operation: 22-7=15 Exploring Operation: 22+7=29, Resulting Numbers: [6, 29] Generated Node #0,0,1: 90:[6, 29] Operation: 22+7=29 Exploring Operation: 6+22=28, Resulting Numbers: [7, 28] Generated Node #0,0,2: 90:[7, 28] Operation: 6+22=28 Exploring Operation: 7-6=1, Resulting Numbers: [22, 1] Generated Node #0,0,3: 90:[22, 1] Operation: 7-6=1 Exploring Operation: 22-6=16, Resulting Numbers: [7, 16] Generated Node #0,0,4: 90:[7, 16] Operation: 22-6=16 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 90:[6, 15], Operations: ['90-83=7', '22-7=15'] Exploring Operation: 6*15=90, Resulting Numbers: [90] 90,90 equal: Goal Reached Moving to Node #0 Current State: 90:[6, 83, 22, 90], Operations: [] Exploring Operation: 90-83=7, Resulting Numbers: [6, 22, 7] Generated Node #0,0: 90:[6, 22, 7] Operation: 90-83=7 Moving to Node #0,0 Current State: 90:[6, 22, 7], Operations: ['90-83=7'] Exploring Operation: 22-7=15, Resulting Numbers: [6, 15] Generated Node #0,0,0: 90:[6, 15] Operation: 22-7=15 Moving to Node #0,0,0 Current State: 90:[6, 15], Operations: ['90-83=7', '22-7=15'] Exploring Operation: 6*15=90, Resulting Numbers: [90] 90,90 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_5
sum_heuristic
[ 11, 4, 26, 82 ]
41
[ "11+4=15", "82-26=56", "56-15=41" ]
Current State: 41:[11, 4, 26, 82], Operations: [] Exploring Operation: 11+4=15, Resulting Numbers: [26, 82, 15] Generated Node #2: [26, 82, 15] from Operation: 11+4=15 Current State: 41:[26, 82, 15], Operations: ['11+4=15'] Exploring Operation: 82-26=56, Resulting Numbers: [15, 56] Generated Node #3: [15, 56] from Operation: 82-26=56 Current State: 41:[15, 56], Operations: ['11+4=15', '82-26=56'] Exploring Operation: 56-15=41, Resulting Numbers: [41] 41,41 equal: Goal Reached
4
Current State: 41:[11, 4, 26, 82], Operations: [] Exploring Operation: 11*4=44, Resulting Numbers: [26, 82, 44] Generated Node #0,0: 41:[26, 82, 44] Operation: 11*4=44 Exploring Operation: 82-11=71, Resulting Numbers: [4, 26, 71] Generated Node #0,1: 41:[4, 26, 71] Operation: 82-11=71 Exploring Operation: 11+4=15, Resulting Numbers: [26, 82, 15] Generated Node #0,2: 41:[26, 82, 15] Operation: 11+4=15 Exploring Operation: 4+26=30, Resulting Numbers: [11, 82, 30] Generated Node #0,3: 41:[11, 82, 30] Operation: 4+26=30 Exploring Operation: 11+26=37, Resulting Numbers: [4, 82, 37] Generated Node #0,4: 41:[4, 82, 37] Operation: 11+26=37 Start Sub Search at level 1: Moving to Node #0,0 Current State: 41:[26, 82, 44], Operations: ['11*4=44'] Exploring Operation: 82-26=56, Resulting Numbers: [44, 56] Generated Node #0,0,0: 41:[44, 56] Operation: 82-26=56 Exploring Operation: 44-26=18, Resulting Numbers: [82, 18] Generated Node #0,0,1: 41:[82, 18] Operation: 44-26=18 Exploring Operation: 26+82=108, Resulting Numbers: [44, 108] Generated Node #0,0,2: 41:[44, 108] Operation: 26+82=108 Exploring Operation: 82-44=38, Resulting Numbers: [26, 38] Generated Node #0,0,3: 41:[26, 38] Operation: 82-44=38 Exploring Operation: 26+44=70, Resulting Numbers: [82, 70] Generated Node #0,0,4: 41:[82, 70] Operation: 26+44=70 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 41:[44, 56], Operations: ['11*4=44', '82-26=56'] Exploring Operation: 44*56=2464, Resulting Numbers: [2464] 2464,41 unequal: No Solution Exploring Operation: 56-44=12, Resulting Numbers: [12] 12,41 unequal: No Solution Exploring Operation: 44+56=100, Resulting Numbers: [100] 100,41 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 #0,0,3 Current State: 41:[26, 38], Operations: ['11*4=44', '82-44=38'] Exploring Operation: 26*38=988, Resulting Numbers: [988] 988,41 unequal: No Solution Exploring Operation: 26+38=64, Resulting Numbers: [64] 64,41 unequal: No Solution Exploring Operation: 38-26=12, Resulting Numbers: [12] 12,41 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 #0,0,1 Current State: 41:[82, 18], Operations: ['11*4=44', '44-26=18'] Exploring Operation: 82-18=64, Resulting Numbers: [64] 64,41 unequal: No Solution Exploring Operation: 82*18=1476, Resulting Numbers: [1476] 1476,41 unequal: No Solution Exploring Operation: 82+18=100, Resulting Numbers: [100] 100,41 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 #0,0,2 Current State: 41:[44, 108], Operations: ['11*4=44', '26+82=108'] Exploring Operation: 44*108=4752, Resulting Numbers: [4752] 4752,41 unequal: No Solution Exploring Operation: 108-44=64, Resulting Numbers: [64] 64,41 unequal: No Solution Exploring Operation: 44+108=152, Resulting Numbers: [152] 152,41 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 #0,0,4 Current State: 41:[82, 70], Operations: ['11*4=44', '26+44=70'] Exploring Operation: 82+70=152, Resulting Numbers: [152] 152,41 unequal: No Solution Exploring Operation: 82*70=5740, Resulting Numbers: [5740] 5740,41 unequal: No Solution Exploring Operation: 82-70=12, Resulting Numbers: [12] 12,41 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: 41:[4, 26, 71], Operations: ['82-11=71'] Exploring Operation: 4+26=30, Resulting Numbers: [71, 30] Generated Node #0,1,0: 41:[71, 30] Operation: 4+26=30 Exploring Operation: 71-4=67, Resulting Numbers: [26, 67] Generated Node #0,1,1: 41:[26, 67] Operation: 71-4=67 Exploring Operation: 71-26=45, Resulting Numbers: [4, 45] Generated Node #0,1,2: 41:[4, 45] Operation: 71-26=45 Exploring Operation: 4+71=75, Resulting Numbers: [26, 75] Generated Node #0,1,3: 41:[26, 75] Operation: 4+71=75 Exploring Operation: 26-4=22, Resulting Numbers: [71, 22] Generated Node #0,1,4: 41:[71, 22] Operation: 26-4=22 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 41:[71, 30], Operations: ['82-11=71', '4+26=30'] Exploring Operation: 71+30=101, Resulting Numbers: [101] 101,41 unequal: No Solution Exploring Operation: 71*30=2130, Resulting Numbers: [2130] 2130,41 unequal: No Solution Exploring Operation: 71-30=41, Resulting Numbers: [41] 41,41 equal: Goal Reached Moving to Node #0 Current State: 41:[11, 4, 26, 82], Operations: [] Exploring Operation: 82-11=71, Resulting Numbers: [4, 26, 71] Generated Node #0,1: 41:[4, 26, 71] Operation: 82-11=71 Moving to Node #0,1 Current State: 41:[4, 26, 71], Operations: ['82-11=71'] Exploring Operation: 4+26=30, Resulting Numbers: [71, 30] Generated Node #0,1,0: 41:[71, 30] Operation: 4+26=30 Moving to Node #0,1,0 Current State: 41:[71, 30], Operations: ['82-11=71', '4+26=30'] Exploring Operation: 71-30=41, Resulting Numbers: [41] 41,41 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.967882
hs_5
mult_heuristic
[ 3, 57, 3, 7 ]
41
[ "3*3=9", "57-7=50", "50-9=41" ]
Current State: 41:[3, 57, 3, 7], Operations: [] Exploring Operation: 3*3=9, Resulting Numbers: [57, 7, 9] Generated Node #2: [57, 7, 9] from Operation: 3*3=9 Current State: 41:[57, 7, 9], Operations: ['3*3=9'] Exploring Operation: 57-7=50, Resulting Numbers: [9, 50] Generated Node #3: [9, 50] from Operation: 57-7=50 Current State: 41:[9, 50], Operations: ['3*3=9', '57-7=50'] Exploring Operation: 50-9=41, Resulting Numbers: [41] 41,41 equal: Goal Reached
4
Current State: 41:[3, 57, 3, 7], Operations: [] Exploring Operation: 3*3=9, Resulting Numbers: [57, 7, 9] Generated Node #0,0: 41:[57, 7, 9] Operation: 3*3=9 Exploring Operation: 3*7=21, Resulting Numbers: [3, 57, 21] Generated Node #0,1: 41:[3, 57, 21] Operation: 3*7=21 Exploring Operation: 57-3=54, Resulting Numbers: [3, 7, 54] Generated Node #0,2: 41:[3, 7, 54] Operation: 57-3=54 Exploring Operation: 3*7=21, Resulting Numbers: [57, 3, 21] Generated Node #0,3: 41:[57, 3, 21] Operation: 3*7=21 Moving to Node #0,1 Current State: 41:[3, 57, 21], Operations: ['3*7=21'] Exploring Operation: 3*21=63, Resulting Numbers: [57, 63] Generated Node #0,1,0: 41:[57, 63] Operation: 3*21=63 Exploring Operation: 57-3=54, Resulting Numbers: [21, 54] Generated Node #0,1,1: 41:[21, 54] Operation: 57-3=54 Exploring Operation: 3+57=60, Resulting Numbers: [21, 60] Generated Node #0,1,2: 41:[21, 60] Operation: 3+57=60 Exploring Operation: 3+21=24, Resulting Numbers: [57, 24] Generated Node #0,1,3: 41:[57, 24] Operation: 3+21=24 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 41:[21, 54], Operations: ['3*7=21', '57-3=54'] Exploring Operation: 21+54=75, Resulting Numbers: [75] 75,41 unequal: No Solution Exploring Operation: 21*54=1134, Resulting Numbers: [1134] 1134,41 unequal: No Solution Exploring Operation: 54-21=33, Resulting Numbers: [33] 33,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 41:[57, 24], Operations: ['3*7=21', '3+21=24'] Exploring Operation: 57*24=1368, Resulting Numbers: [1368] 1368,41 unequal: No Solution Exploring Operation: 57+24=81, Resulting Numbers: [81] 81,41 unequal: No Solution Exploring Operation: 57-24=33, Resulting Numbers: [33] 33,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 41:[57, 63], Operations: ['3*7=21', '3*21=63'] Exploring Operation: 57*63=3591, Resulting Numbers: [3591] 3591,41 unequal: No Solution Exploring Operation: 63-57=6, Resulting Numbers: [6] 6,41 unequal: No Solution Exploring Operation: 57+63=120, Resulting Numbers: [120] 120,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 41:[21, 60], Operations: ['3*7=21', '3+57=60'] Exploring Operation: 60-21=39, Resulting Numbers: [39] 39,41 unequal: No Solution Exploring Operation: 21+60=81, Resulting Numbers: [81] 81,41 unequal: No Solution Exploring Operation: 21*60=1260, Resulting Numbers: [1260] 1260,41 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: 41:[57, 3, 21], Operations: ['3*7=21'] Exploring Operation: 57-3=54, Resulting Numbers: [21, 54] Generated Node #0,3,0: 41:[21, 54] Operation: 57-3=54 Exploring Operation: 3*21=63, Resulting Numbers: [57, 63] Generated Node #0,3,1: 41:[57, 63] Operation: 3*21=63 Exploring Operation: 3+21=24, Resulting Numbers: [57, 24] Generated Node #0,3,2: 41:[57, 24] Operation: 3+21=24 Exploring Operation: 57+3=60, Resulting Numbers: [21, 60] Generated Node #0,3,3: 41:[21, 60] Operation: 57+3=60 Moving to Node #0,0 Current State: 41:[57, 7, 9], Operations: ['3*3=9'] Exploring Operation: 57-9=48, Resulting Numbers: [7, 48] Generated Node #0,0,0: 41:[7, 48] Operation: 57-9=48 Exploring Operation: 7*9=63, Resulting Numbers: [57, 63] Generated Node #0,0,1: 41:[57, 63] Operation: 7*9=63 Exploring Operation: 57-7=50, Resulting Numbers: [9, 50] Generated Node #0,0,2: 41:[9, 50] Operation: 57-7=50 Exploring Operation: 7+9=16, Resulting Numbers: [57, 16] Generated Node #0,0,3: 41:[57, 16] Operation: 7+9=16 Moving to Node #0,2 Current State: 41:[3, 7, 54], Operations: ['57-3=54'] Exploring Operation: 54-3=51, Resulting Numbers: [7, 51] Generated Node #0,2,0: 41:[7, 51] Operation: 54-3=51 Exploring Operation: 54-7=47, Resulting Numbers: [3, 47] Generated Node #0,2,1: 41:[3, 47] Operation: 54-7=47 Exploring Operation: 3*7=21, Resulting Numbers: [54, 21] Generated Node #0,2,2: 41:[54, 21] Operation: 3*7=21 Exploring Operation: 3+7=10, Resulting Numbers: [54, 10] Generated Node #0,2,3: 41:[54, 10] Operation: 3+7=10 Moving to Node #0,3,0 Current State: 41:[21, 54], Operations: ['3*7=21', '57-3=54'] Exploring Operation: 21+54=75, Resulting Numbers: [75] 75,41 unequal: No Solution Exploring Operation: 21*54=1134, Resulting Numbers: [1134] 1134,41 unequal: No Solution Exploring Operation: 54-21=33, Resulting Numbers: [33] 33,41 unequal: No Solution Moving to Node #0,3,2 Current State: 41:[57, 24], Operations: ['3*7=21', '3+21=24'] Exploring Operation: 57-24=33, Resulting Numbers: [33] 33,41 unequal: No Solution Exploring Operation: 57+24=81, Resulting Numbers: [81] 81,41 unequal: No Solution Exploring Operation: 57*24=1368, Resulting Numbers: [1368] 1368,41 unequal: No Solution Moving to Node #0,2,2 Current State: 41:[54, 21], Operations: ['57-3=54', '3*7=21'] Exploring Operation: 54+21=75, Resulting Numbers: [75] 75,41 unequal: No Solution Exploring Operation: 54-21=33, Resulting Numbers: [33] 33,41 unequal: No Solution Exploring Operation: 54*21=1134, Resulting Numbers: [1134] 1134,41 unequal: No Solution Moving to Node #0,3,1 Current State: 41:[57, 63], Operations: ['3*7=21', '3*21=63'] Exploring Operation: 57+63=120, Resulting Numbers: [120] 120,41 unequal: No Solution Exploring Operation: 57*63=3591, Resulting Numbers: [3591] 3591,41 unequal: No Solution Exploring Operation: 63-57=6, Resulting Numbers: [6] 6,41 unequal: No Solution Moving to Node #0,0,1 Current State: 41:[57, 63], Operations: ['3*3=9', '7*9=63'] Exploring Operation: 63-57=6, Resulting Numbers: [6] 6,41 unequal: No Solution Exploring Operation: 57+63=120, Resulting Numbers: [120] 120,41 unequal: No Solution Exploring Operation: 57*63=3591, Resulting Numbers: [3591] 3591,41 unequal: No Solution Moving to Node #0,3,3 Current State: 41:[21, 60], Operations: ['3*7=21', '57+3=60'] Exploring Operation: 60-21=39, Resulting Numbers: [39] 39,41 unequal: No Solution Exploring Operation: 21+60=81, Resulting Numbers: [81] 81,41 unequal: No Solution Exploring Operation: 21*60=1260, Resulting Numbers: [1260] 1260,41 unequal: No Solution Moving to Node #0,0,2 Current State: 41:[9, 50], Operations: ['3*3=9', '57-7=50'] Exploring Operation: 9*50=450, Resulting Numbers: [450] 450,41 unequal: No Solution Exploring Operation: 9+50=59, Resulting Numbers: [59] 59,41 unequal: No Solution Exploring Operation: 50-9=41, Resulting Numbers: [41] 41,41 equal: Goal Reached Moving to Node #0 Current State: 41:[3, 57, 3, 7], Operations: [] Exploring Operation: 3*3=9, Resulting Numbers: [57, 7, 9] Generated Node #0,0: 41:[57, 7, 9] Operation: 3*3=9 Moving to Node #0,0 Current State: 41:[57, 7, 9], Operations: ['3*3=9'] Exploring Operation: 57-7=50, Resulting Numbers: [9, 50] Generated Node #0,0,2: 41:[9, 50] Operation: 57-7=50 Moving to Node #0,0,2 Current State: 41:[9, 50], Operations: ['3*3=9', '57-7=50'] Exploring Operation: 50-9=41, Resulting Numbers: [41] 41,41 equal: Goal Reached
0.950521
hs_4
sum_heuristic
[ 32, 80, 18, 86 ]
77
[ "86-32=54", "54/18=3", "80-3=77" ]
Current State: 77:[32, 80, 18, 86], Operations: [] Exploring Operation: 86-32=54, Resulting Numbers: [80, 18, 54] Generated Node #2: [80, 18, 54] from Operation: 86-32=54 Current State: 77:[80, 18, 54], Operations: ['86-32=54'] Exploring Operation: 54/18=3, Resulting Numbers: [80, 3] Generated Node #3: [80, 3] from Operation: 54/18=3 Current State: 77:[80, 3], Operations: ['86-32=54', '54/18=3'] Exploring Operation: 80-3=77, Resulting Numbers: [77] 77,77 equal: Goal Reached
4
Current State: 77:[32, 80, 18, 86], Operations: [] Exploring Operation: 86-80=6, Resulting Numbers: [32, 18, 6] Generated Node #0,0: 77:[32, 18, 6] Operation: 86-80=6 Exploring Operation: 86-32=54, Resulting Numbers: [80, 18, 54] Generated Node #0,1: 77:[80, 18, 54] Operation: 86-32=54 Exploring Operation: 32-18=14, Resulting Numbers: [80, 86, 14] Generated Node #0,2: 77:[80, 86, 14] Operation: 32-18=14 Moving to Node #0,2 Current State: 77:[80, 86, 14], Operations: ['32-18=14'] Exploring Operation: 86-14=72, Resulting Numbers: [80, 72] Generated Node #0,2,0: 77:[80, 72] Operation: 86-14=72 Exploring Operation: 80-14=66, Resulting Numbers: [86, 66] Generated Node #0,2,1: 77:[86, 66] Operation: 80-14=66 Exploring Operation: 86-80=6, Resulting Numbers: [14, 6] Generated Node #0,2,2: 77:[14, 6] Operation: 86-80=6 Moving to Node #0,0 Current State: 77:[32, 18, 6], Operations: ['86-80=6'] Exploring Operation: 32-18=14, Resulting Numbers: [6, 14] Generated Node #0,0,0: 77:[6, 14] Operation: 32-18=14 Exploring Operation: 32-6=26, Resulting Numbers: [18, 26] Generated Node #0,0,1: 77:[18, 26] Operation: 32-6=26 Exploring Operation: 18-6=12, Resulting Numbers: [32, 12] Generated Node #0,0,2: 77:[32, 12] Operation: 18-6=12 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 77:[6, 14], Operations: ['86-80=6', '32-18=14'] Exploring Operation: 6+14=20, Resulting Numbers: [20] 20,77 unequal: No Solution Exploring Operation: 14-6=8, Resulting Numbers: [8] 8,77 unequal: No Solution Exploring Operation: 6*14=84, Resulting Numbers: [84] 84,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 77:[18, 26], Operations: ['86-80=6', '32-6=26'] Exploring Operation: 18*26=468, Resulting Numbers: [468] 468,77 unequal: No Solution Exploring Operation: 26-18=8, Resulting Numbers: [8] 8,77 unequal: No Solution Exploring Operation: 18+26=44, Resulting Numbers: [44] 44,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 77:[32, 12], Operations: ['86-80=6', '18-6=12'] Exploring Operation: 32*12=384, Resulting Numbers: [384] 384,77 unequal: No Solution Exploring Operation: 32+12=44, Resulting Numbers: [44] 44,77 unequal: No Solution Exploring Operation: 32-12=20, Resulting Numbers: [20] 20,77 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: 77:[80, 18, 54], Operations: ['86-32=54'] Exploring Operation: 80-54=26, Resulting Numbers: [18, 26] Generated Node #0,1,0: 77:[18, 26] Operation: 80-54=26 Exploring Operation: 54/18=3, Resulting Numbers: [80, 3] Generated Node #0,1,1: 77:[80, 3] Operation: 54/18=3 Exploring Operation: 18+54=72, Resulting Numbers: [80, 72] Generated Node #0,1,2: 77:[80, 72] Operation: 18+54=72 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 77:[80, 3], Operations: ['86-32=54', '54/18=3'] Exploring Operation: 80-3=77, Resulting Numbers: [77] 77,77 equal: Goal Reached Moving to Node #0 Current State: 77:[32, 80, 18, 86], Operations: [] Exploring Operation: 86-32=54, Resulting Numbers: [80, 18, 54] Generated Node #0,1: 77:[80, 18, 54] Operation: 86-32=54 Moving to Node #0,1 Current State: 77:[80, 18, 54], Operations: ['86-32=54'] Exploring Operation: 54/18=3, Resulting Numbers: [80, 3] Generated Node #0,1,1: 77:[80, 3] Operation: 54/18=3 Moving to Node #0,1,1 Current State: 77:[80, 3], Operations: ['86-32=54', '54/18=3'] Exploring Operation: 80-3=77, Resulting Numbers: [77] 77,77 equal: Goal Reached Exit Sub Search at level 1
0.977431
hs_3
sum_heuristic
[ 16, 53, 36, 91 ]
20
[ "53+91=144", "144/36=4", "16+4=20" ]
Current State: 20:[16, 53, 36, 91], Operations: [] Exploring Operation: 53+91=144, Resulting Numbers: [16, 36, 144] Generated Node #2: [16, 36, 144] from Operation: 53+91=144 Current State: 20:[16, 36, 144], Operations: ['53+91=144'] Exploring Operation: 144/36=4, Resulting Numbers: [16, 4] Generated Node #3: [16, 4] from Operation: 144/36=4 Current State: 20:[16, 4], Operations: ['53+91=144', '144/36=4'] Exploring Operation: 16+4=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[16, 53, 36, 91], Operations: [] Exploring Operation: 91-53=38, Resulting Numbers: [16, 36, 38] Generated Node #0,0: 20:[16, 36, 38] Operation: 91-53=38 Moving to Node #0,0 Current State: 20:[16, 36, 38], Operations: ['91-53=38'] Exploring Operation: 38-36=2, Resulting Numbers: [16, 2] Generated Node #0,0,0: 20:[16, 2] Operation: 38-36=2 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 20:[16, 2], Operations: ['91-53=38', '38-36=2'] Exploring Operation: 16+2=18, Resulting Numbers: [18] 18,20 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
[ 42, 88, 6, 62 ]
74
[ "42+88=130", "62-6=56", "130-56=74" ]
Current State: 74:[42, 88, 6, 62], Operations: [] Exploring Operation: 42+88=130, Resulting Numbers: [6, 62, 130] Generated Node #2: [6, 62, 130] from Operation: 42+88=130 Current State: 74:[6, 62, 130], Operations: ['42+88=130'] Exploring Operation: 62-6=56, Resulting Numbers: [130, 56] Generated Node #3: [130, 56] from Operation: 62-6=56 Current State: 74:[130, 56], Operations: ['42+88=130', '62-6=56'] Exploring Operation: 130-56=74, Resulting Numbers: [74] 74,74 equal: Goal Reached
4
Current State: 74:[42, 88, 6, 62], Operations: [] Exploring Operation: 88-62=26, Resulting Numbers: [42, 6, 26] Generated Node #0,0: 74:[42, 6, 26] Operation: 88-62=26 Start Sub Search at level 1: Moving to Node #0,0 Current State: 74:[42, 6, 26], Operations: ['88-62=26'] Exploring Operation: 42+26=68, Resulting Numbers: [6, 68] Generated Node #0,0,0: 74:[6, 68] Operation: 42+26=68 Moving to Node #0,0,0 Current State: 74:[6, 68], Operations: ['88-62=26', '42+26=68'] Exploring Operation: 6+68=74, Resulting Numbers: [74] 74,74 equal: Goal Reached Moving to Node #0 Current State: 74:[42, 88, 6, 62], Operations: [] Exploring Operation: 88-62=26, Resulting Numbers: [42, 6, 26] Generated Node #0,0: 74:[42, 6, 26] Operation: 88-62=26 Moving to Node #0,0 Current State: 74:[42, 6, 26], Operations: ['88-62=26'] Exploring Operation: 42+26=68, Resulting Numbers: [6, 68] Generated Node #0,0,0: 74:[6, 68] Operation: 42+26=68 Moving to Node #0,0,0 Current State: 74:[6, 68], Operations: ['88-62=26', '42+26=68'] Exploring Operation: 6+68=74, Resulting Numbers: [74] 74,74 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 64, 61, 32, 96 ]
33
[ "64/32=2", "96-61=35", "35-2=33" ]
Current State: 33:[64, 61, 32, 96], Operations: [] Exploring Operation: 64/32=2, Resulting Numbers: [61, 96, 2] Generated Node #2: [61, 96, 2] from Operation: 64/32=2 Current State: 33:[61, 96, 2], Operations: ['64/32=2'] Exploring Operation: 96-61=35, Resulting Numbers: [2, 35] Generated Node #3: [2, 35] from Operation: 96-61=35 Current State: 33:[2, 35], Operations: ['64/32=2', '96-61=35'] Exploring Operation: 35-2=33, Resulting Numbers: [33] 33,33 equal: Goal Reached
4
Current State: 33:[64, 61, 32, 96], Operations: [] Exploring Operation: 96-61=35, Resulting Numbers: [64, 32, 35] Generated Node #0,0: 33:[64, 32, 35] Operation: 96-61=35 Exploring Operation: 64-61=3, Resulting Numbers: [32, 96, 3] Generated Node #0,1: 33:[32, 96, 3] Operation: 64-61=3 Exploring Operation: 96-32=64, Resulting Numbers: [64, 61, 64] Generated Node #0,2: 33:[64, 61, 64] Operation: 96-32=64 Exploring Operation: 96/32=3, Resulting Numbers: [64, 61, 3] Generated Node #0,3: 33:[64, 61, 3] Operation: 96/32=3 Exploring Operation: 96-64=32, Resulting Numbers: [61, 32, 32] Generated Node #0,4: 33:[61, 32, 32] Operation: 96-64=32 Moving to Node #0,4 Current State: 33:[61, 32, 32], Operations: ['96-64=32'] Exploring Operation: 61-32=29, Resulting Numbers: [32, 29] Generated Node #0,4,0: 33:[32, 29] Operation: 61-32=29 Exploring Operation: 32+32=64, Resulting Numbers: [61, 64] Generated Node #0,4,1: 33:[61, 64] Operation: 32+32=64 Exploring Operation: 61-32=29, Resulting Numbers: [32, 29] Generated Node #0,4,2: 33:[32, 29] Operation: 61-32=29 Exploring Operation: 32-32=0, Resulting Numbers: [61, 0] Generated Node #0,4,3: 33:[61, 0] Operation: 32-32=0 Exploring Operation: 32/32=1, Resulting Numbers: [61, 1] Generated Node #0,4,4: 33:[61, 1] Operation: 32/32=1 Moving to Node #0,0 Current State: 33:[64, 32, 35], Operations: ['96-61=35'] Exploring Operation: 64/32=2, Resulting Numbers: [35, 2] Generated Node #0,0,0: 33:[35, 2] Operation: 64/32=2 Exploring Operation: 64-32=32, Resulting Numbers: [35, 32] Generated Node #0,0,1: 33:[35, 32] Operation: 64-32=32 Exploring Operation: 35-32=3, Resulting Numbers: [64, 3] Generated Node #0,0,2: 33:[64, 3] Operation: 35-32=3 Exploring Operation: 64+32=96, Resulting Numbers: [35, 96] Generated Node #0,0,3: 33:[35, 96] Operation: 64+32=96 Exploring Operation: 64-35=29, Resulting Numbers: [32, 29] Generated Node #0,0,4: 33:[32, 29] Operation: 64-35=29 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 33:[35, 2], Operations: ['96-61=35', '64/32=2'] Exploring Operation: 35-2=33, Resulting Numbers: [33] 33,33 equal: Goal Reached Moving to Node #0 Current State: 33:[64, 61, 32, 96], Operations: [] Exploring Operation: 96-61=35, Resulting Numbers: [64, 32, 35] Generated Node #0,0: 33:[64, 32, 35] Operation: 96-61=35 Moving to Node #0,0 Current State: 33:[64, 32, 35], Operations: ['96-61=35'] Exploring Operation: 64/32=2, Resulting Numbers: [35, 2] Generated Node #0,0,0: 33:[35, 2] Operation: 64/32=2 Moving to Node #0,0,0 Current State: 33:[35, 2], Operations: ['96-61=35', '64/32=2'] Exploring Operation: 35-2=33, Resulting Numbers: [33] 33,33 equal: Goal Reached Exit Sub Search at level 1
0.982639
hs_5
mult_heuristic
[ 86, 41, 61, 19 ]
85
[ "86+41=127", "61-19=42", "127-42=85" ]
Current State: 85:[86, 41, 61, 19], Operations: [] Exploring Operation: 86+41=127, Resulting Numbers: [61, 19, 127] Generated Node #2: [61, 19, 127] from Operation: 86+41=127 Current State: 85:[61, 19, 127], Operations: ['86+41=127'] Exploring Operation: 61-19=42, Resulting Numbers: [127, 42] Generated Node #3: [127, 42] from Operation: 61-19=42 Current State: 85:[127, 42], Operations: ['86+41=127', '61-19=42'] Exploring Operation: 127-42=85, Resulting Numbers: [85] 85,85 equal: Goal Reached
4
Current State: 85:[86, 41, 61, 19], Operations: [] Exploring Operation: 61-41=20, Resulting Numbers: [86, 19, 20] Generated Node #0,0: 85:[86, 19, 20] Operation: 61-41=20 Start Sub Search at level 1: Moving to Node #0,0 Current State: 85:[86, 19, 20], Operations: ['61-41=20'] Exploring Operation: 20-19=1, Resulting Numbers: [86, 1] Generated Node #0,0,0: 85:[86, 1] Operation: 20-19=1 Moving to Node #0,0,0 Current State: 85:[86, 1], Operations: ['61-41=20', '20-19=1'] Exploring Operation: 86-1=85, Resulting Numbers: [85] 85,85 equal: Goal Reached Moving to Node #0 Current State: 85:[86, 41, 61, 19], Operations: [] Exploring Operation: 61-41=20, Resulting Numbers: [86, 19, 20] Generated Node #0,0: 85:[86, 19, 20] Operation: 61-41=20 Moving to Node #0,0 Current State: 85:[86, 19, 20], Operations: ['61-41=20'] Exploring Operation: 20-19=1, Resulting Numbers: [86, 1] Generated Node #0,0,0: 85:[86, 1] Operation: 20-19=1 Moving to Node #0,0,0 Current State: 85:[86, 1], Operations: ['61-41=20', '20-19=1'] Exploring Operation: 86-1=85, Resulting Numbers: [85] 85,85 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 93, 52, 53, 27 ]
67
[ "93-52=41", "53-27=26", "41+26=67" ]
Current State: 67:[93, 52, 53, 27], Operations: [] Exploring Operation: 93-52=41, Resulting Numbers: [53, 27, 41] Generated Node #2: [53, 27, 41] from Operation: 93-52=41 Current State: 67:[53, 27, 41], Operations: ['93-52=41'] Exploring Operation: 53-27=26, Resulting Numbers: [41, 26] Generated Node #3: [41, 26] from Operation: 53-27=26 Current State: 67:[41, 26], Operations: ['93-52=41', '53-27=26'] Exploring Operation: 41+26=67, Resulting Numbers: [67] 67,67 equal: Goal Reached
4
Current State: 67:[93, 52, 53, 27], Operations: [] Exploring Operation: 52+27=79, Resulting Numbers: [93, 53, 79] Generated Node #0,0: 67:[93, 53, 79] Operation: 52+27=79 Exploring Operation: 93-52=41, Resulting Numbers: [53, 27, 41] Generated Node #0,1: 67:[53, 27, 41] Operation: 93-52=41 Exploring Operation: 93-27=66, Resulting Numbers: [52, 53, 66] Generated Node #0,2: 67:[52, 53, 66] Operation: 93-27=66 Exploring Operation: 53+27=80, Resulting Numbers: [93, 52, 80] Generated Node #0,3: 67:[93, 52, 80] Operation: 53+27=80 Moving to Node #0,2 Current State: 67:[52, 53, 66], Operations: ['93-27=66'] Exploring Operation: 53-52=1, Resulting Numbers: [66, 1] Generated Node #0,2,0: 67:[66, 1] Operation: 53-52=1 Exploring Operation: 66-52=14, Resulting Numbers: [53, 14] Generated Node #0,2,1: 67:[53, 14] Operation: 66-52=14 Exploring Operation: 52+53=105, Resulting Numbers: [66, 105] Generated Node #0,2,2: 67:[66, 105] Operation: 52+53=105 Exploring Operation: 52+66=118, Resulting Numbers: [53, 118] Generated Node #0,2,3: 67:[53, 118] Operation: 52+66=118 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 67:[66, 105], Operations: ['93-27=66', '52+53=105'] Exploring Operation: 105-66=39, Resulting Numbers: [39] 39,67 unequal: No Solution Exploring Operation: 66+105=171, Resulting Numbers: [171] 171,67 unequal: No Solution Exploring Operation: 66*105=6930, Resulting Numbers: [6930] 6930,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 67:[53, 118], Operations: ['93-27=66', '52+66=118'] Exploring Operation: 53*118=6254, Resulting Numbers: [6254] 6254,67 unequal: No Solution Exploring Operation: 118-53=65, Resulting Numbers: [65] 65,67 unequal: No Solution Exploring Operation: 53+118=171, Resulting Numbers: [171] 171,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 67:[66, 1], Operations: ['93-27=66', '53-52=1'] Exploring Operation: 66*1=66, Resulting Numbers: [66] 66,67 unequal: No Solution Exploring Operation: 66-1=65, Resulting Numbers: [65] 65,67 unequal: No Solution Exploring Operation: 66+1=67, Resulting Numbers: [67] 67,67 equal: Goal Reached Moving to Node #0 Current State: 67:[93, 52, 53, 27], Operations: [] Exploring Operation: 93-27=66, Resulting Numbers: [52, 53, 66] Generated Node #0,2: 67:[52, 53, 66] Operation: 93-27=66 Moving to Node #0,2 Current State: 67:[52, 53, 66], Operations: ['93-27=66'] Exploring Operation: 53-52=1, Resulting Numbers: [66, 1] Generated Node #0,2,0: 67:[66, 1] Operation: 53-52=1 Moving to Node #0,2,0 Current State: 67:[66, 1], Operations: ['93-27=66', '53-52=1'] Exploring Operation: 66+1=67, Resulting Numbers: [67] 67,67 equal: Goal Reached Exit Sub Search at level 1
0.981771
hs_4
mult_heuristic
[ 55, 5, 29, 92 ]
38
[ "55-29=26", "5*26=130", "130-92=38" ]
Current State: 38:[55, 5, 29, 92], Operations: [] Exploring Operation: 55-29=26, Resulting Numbers: [5, 92, 26] Generated Node #2: [5, 92, 26] from Operation: 55-29=26 Current State: 38:[5, 92, 26], Operations: ['55-29=26'] Exploring Operation: 5*26=130, Resulting Numbers: [92, 130] Generated Node #3: [92, 130] from Operation: 5*26=130 Current State: 38:[92, 130], Operations: ['55-29=26', '5*26=130'] Exploring Operation: 130-92=38, Resulting Numbers: [38] 38,38 equal: Goal Reached
4
Current State: 38:[55, 5, 29, 92], Operations: [] Exploring Operation: 92-55=37, Resulting Numbers: [5, 29, 37] Generated Node #0,0: 38:[5, 29, 37] Operation: 92-55=37 Moving to Node #0,0 Current State: 38:[5, 29, 37], Operations: ['92-55=37'] Exploring Operation: 5+29=34, Resulting Numbers: [37, 34] Generated Node #0,0,0: 38:[37, 34] Operation: 5+29=34 Moving to Node #0,0,0 Current State: 38:[37, 34], Operations: ['92-55=37', '5+29=34'] Exploring Operation: 37-34=3, Resulting Numbers: [3] 3,38 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 15, 28, 7, 18 ]
45
[ "28-7=21", "21-18=3", "15*3=45" ]
Current State: 45:[15, 28, 7, 18], Operations: [] Exploring Operation: 28-7=21, Resulting Numbers: [15, 18, 21] Generated Node #2: [15, 18, 21] from Operation: 28-7=21 Current State: 45:[15, 18, 21], Operations: ['28-7=21'] Exploring Operation: 21-18=3, Resulting Numbers: [15, 3] Generated Node #3: [15, 3] from Operation: 21-18=3 Current State: 45:[15, 3], Operations: ['28-7=21', '21-18=3'] Exploring Operation: 15*3=45, Resulting Numbers: [45] 45,45 equal: Goal Reached
4
Current State: 45:[15, 28, 7, 18], Operations: [] Exploring Operation: 15+28=43, Resulting Numbers: [7, 18, 43] Generated Node #0,0: 45:[7, 18, 43] Operation: 15+28=43 Exploring Operation: 28-18=10, Resulting Numbers: [15, 7, 10] Generated Node #0,1: 45:[15, 7, 10] Operation: 28-18=10 Exploring Operation: 28/7=4, Resulting Numbers: [15, 18, 4] Generated Node #0,2: 45:[15, 18, 4] Operation: 28/7=4 Exploring Operation: 28+18=46, Resulting Numbers: [15, 7, 46] Generated Node #0,3: 45:[15, 7, 46] Operation: 28+18=46 Exploring Operation: 28-15=13, Resulting Numbers: [7, 18, 13] Generated Node #0,4: 45:[7, 18, 13] Operation: 28-15=13 Start Sub Search at level 1: Moving to Node #0,1 Current State: 45:[15, 7, 10], Operations: ['28-18=10'] Exploring Operation: 15-10=5, Resulting Numbers: [7, 5] Generated Node #0,1,0: 45:[7, 5] Operation: 15-10=5 Exploring Operation: 7+10=17, Resulting Numbers: [15, 17] Generated Node #0,1,1: 45:[15, 17] Operation: 7+10=17 Exploring Operation: 10-7=3, Resulting Numbers: [15, 3] Generated Node #0,1,2: 45:[15, 3] Operation: 10-7=3 Exploring Operation: 15-7=8, Resulting Numbers: [10, 8] Generated Node #0,1,3: 45:[10, 8] Operation: 15-7=8 Exploring Operation: 15+7=22, Resulting Numbers: [10, 22] Generated Node #0,1,4: 45:[10, 22] Operation: 15+7=22 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 45:[15, 3], Operations: ['28-18=10', '10-7=3'] Exploring Operation: 15+3=18, Resulting Numbers: [18] 18,45 unequal: No Solution Exploring Operation: 15*3=45, Resulting Numbers: [45] 45,45 equal: Goal Reached Moving to Node #0 Current State: 45:[15, 28, 7, 18], Operations: [] Exploring Operation: 28-18=10, Resulting Numbers: [15, 7, 10] Generated Node #0,1: 45:[15, 7, 10] Operation: 28-18=10 Moving to Node #0,1 Current State: 45:[15, 7, 10], Operations: ['28-18=10'] Exploring Operation: 10-7=3, Resulting Numbers: [15, 3] Generated Node #0,1,2: 45:[15, 3] Operation: 10-7=3 Moving to Node #0,1,2 Current State: 45:[15, 3], Operations: ['28-18=10', '10-7=3'] Exploring Operation: 15*3=45, Resulting Numbers: [45] 45,45 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986111
hs_5
sum_heuristic
[ 53, 3, 57, 97 ]
75
[ "97-53=44", "3*44=132", "132-57=75" ]
Current State: 75:[53, 3, 57, 97], Operations: [] Exploring Operation: 97-53=44, Resulting Numbers: [3, 57, 44] Generated Node #2: [3, 57, 44] from Operation: 97-53=44 Current State: 75:[3, 57, 44], Operations: ['97-53=44'] Exploring Operation: 3*44=132, Resulting Numbers: [57, 132] Generated Node #3: [57, 132] from Operation: 3*44=132 Current State: 75:[57, 132], Operations: ['97-53=44', '3*44=132'] Exploring Operation: 132-57=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
4
Current State: 75:[53, 3, 57, 97], Operations: [] Exploring Operation: 57/3=19, Resulting Numbers: [53, 97, 19] Generated Node #0,0: 75:[53, 97, 19] Operation: 57/3=19 Exploring Operation: 97-57=40, Resulting Numbers: [53, 3, 40] Generated Node #0,1: 75:[53, 3, 40] Operation: 97-57=40 Exploring Operation: 53+57=110, Resulting Numbers: [3, 97, 110] Generated Node #0,2: 75:[3, 97, 110] Operation: 53+57=110 Exploring Operation: 57-53=4, Resulting Numbers: [3, 97, 4] Generated Node #0,3: 75:[3, 97, 4] Operation: 57-53=4 Exploring Operation: 97-53=44, Resulting Numbers: [3, 57, 44] Generated Node #0,4: 75:[3, 57, 44] Operation: 97-53=44 Moving to Node #0,3 Current State: 75:[3, 97, 4], Operations: ['57-53=4'] Exploring Operation: 97-3=94, Resulting Numbers: [4, 94] Generated Node #0,3,0: 75:[4, 94] Operation: 97-3=94 Exploring Operation: 3*4=12, Resulting Numbers: [97, 12] Generated Node #0,3,1: 75:[97, 12] Operation: 3*4=12 Exploring Operation: 97-4=93, Resulting Numbers: [3, 93] Generated Node #0,3,2: 75:[3, 93] Operation: 97-4=93 Exploring Operation: 3+4=7, Resulting Numbers: [97, 7] Generated Node #0,3,3: 75:[97, 7] Operation: 3+4=7 Exploring Operation: 4-3=1, Resulting Numbers: [97, 1] Generated Node #0,3,4: 75:[97, 1] Operation: 4-3=1 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 75:[3, 93], Operations: ['57-53=4', '97-4=93'] Exploring Operation: 3*93=279, Resulting Numbers: [279] 279,75 unequal: No Solution Exploring Operation: 3+93=96, Resulting Numbers: [96] 96,75 unequal: No Solution Exploring Operation: 93-3=90, Resulting Numbers: [90] 90,75 unequal: No Solution Exploring Operation: 93/3=31, Resulting Numbers: [31] 31,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 75:[4, 94], Operations: ['57-53=4', '97-3=94'] Exploring Operation: 4*94=376, Resulting Numbers: [376] 376,75 unequal: No Solution Exploring Operation: 94-4=90, Resulting Numbers: [90] 90,75 unequal: No Solution Exploring Operation: 4+94=98, Resulting Numbers: [98] 98,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 75:[97, 7], Operations: ['57-53=4', '3+4=7'] Exploring Operation: 97-7=90, Resulting Numbers: [90] 90,75 unequal: No Solution Exploring Operation: 97*7=679, Resulting Numbers: [679] 679,75 unequal: No Solution Exploring Operation: 97+7=104, Resulting Numbers: [104] 104,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 75:[97, 1], Operations: ['57-53=4', '4-3=1'] Exploring Operation: 97*1=97, Resulting Numbers: [97] 97,75 unequal: No Solution Exploring Operation: 97/1=97, Resulting Numbers: [97] 97,75 unequal: No Solution Exploring Operation: 97+1=98, Resulting Numbers: [98] 98,75 unequal: No Solution Exploring Operation: 97-1=96, Resulting Numbers: [96] 96,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 75:[97, 12], Operations: ['57-53=4', '3*4=12'] Exploring Operation: 97*12=1164, Resulting Numbers: [1164] 1164,75 unequal: No Solution Exploring Operation: 97+12=109, Resulting Numbers: [109] 109,75 unequal: No Solution Exploring Operation: 97-12=85, Resulting Numbers: [85] 85,75 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: 75:[3, 57, 44], Operations: ['97-53=44'] Exploring Operation: 57/3=19, Resulting Numbers: [44, 19] Generated Node #0,4,0: 75:[44, 19] Operation: 57/3=19 Exploring Operation: 57-44=13, Resulting Numbers: [3, 13] Generated Node #0,4,1: 75:[3, 13] Operation: 57-44=13 Exploring Operation: 3+57=60, Resulting Numbers: [44, 60] Generated Node #0,4,2: 75:[44, 60] Operation: 3+57=60 Exploring Operation: 44-3=41, Resulting Numbers: [57, 41] Generated Node #0,4,3: 75:[57, 41] Operation: 44-3=41 Exploring Operation: 57+44=101, Resulting Numbers: [3, 101] Generated Node #0,4,4: 75:[3, 101] Operation: 57+44=101 Moving to Node #0,1 Current State: 75:[53, 3, 40], Operations: ['97-57=40'] Exploring Operation: 53-3=50, Resulting Numbers: [40, 50] Generated Node #0,1,0: 75:[40, 50] Operation: 53-3=50 Exploring Operation: 53+3=56, Resulting Numbers: [40, 56] Generated Node #0,1,1: 75:[40, 56] Operation: 53+3=56 Exploring Operation: 53+40=93, Resulting Numbers: [3, 93] Generated Node #0,1,2: 75:[3, 93] Operation: 53+40=93 Exploring Operation: 53-40=13, Resulting Numbers: [3, 13] Generated Node #0,1,3: 75:[3, 13] Operation: 53-40=13 Exploring Operation: 40-3=37, Resulting Numbers: [53, 37] Generated Node #0,1,4: 75:[53, 37] Operation: 40-3=37 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 75:[3, 13], Operations: ['97-57=40', '53-40=13'] Exploring Operation: 13-3=10, Resulting Numbers: [10] 10,75 unequal: No Solution Exploring Operation: 3*13=39, Resulting Numbers: [39] 39,75 unequal: No Solution Exploring Operation: 3+13=16, Resulting Numbers: [16] 16,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 75:[3, 93], Operations: ['97-57=40', '53+40=93'] Exploring Operation: 3*93=279, Resulting Numbers: [279] 279,75 unequal: No Solution Exploring Operation: 93/3=31, Resulting Numbers: [31] 31,75 unequal: No Solution Exploring Operation: 3+93=96, Resulting Numbers: [96] 96,75 unequal: No Solution Exploring Operation: 93-3=90, Resulting Numbers: [90] 90,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 75:[40, 56], Operations: ['97-57=40', '53+3=56'] Exploring Operation: 56-40=16, Resulting Numbers: [16] 16,75 unequal: No Solution Exploring Operation: 40*56=2240, Resulting Numbers: [2240] 2240,75 unequal: No Solution Exploring Operation: 40+56=96, Resulting Numbers: [96] 96,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 75:[53, 37], Operations: ['97-57=40', '40-3=37'] Exploring Operation: 53-37=16, Resulting Numbers: [16] 16,75 unequal: No Solution Exploring Operation: 53+37=90, Resulting Numbers: [90] 90,75 unequal: No Solution Exploring Operation: 53*37=1961, Resulting Numbers: [1961] 1961,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 75:[40, 50], Operations: ['97-57=40', '53-3=50'] Exploring Operation: 50-40=10, Resulting Numbers: [10] 10,75 unequal: No Solution Exploring Operation: 40*50=2000, Resulting Numbers: [2000] 2000,75 unequal: No Solution Exploring Operation: 40+50=90, Resulting Numbers: [90] 90,75 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: 75:[53, 97, 19], Operations: ['57/3=19'] Exploring Operation: 97-53=44, Resulting Numbers: [19, 44] Generated Node #0,0,0: 75:[19, 44] Operation: 97-53=44 Exploring Operation: 53-19=34, Resulting Numbers: [97, 34] Generated Node #0,0,1: 75:[97, 34] Operation: 53-19=34 Exploring Operation: 97+19=116, Resulting Numbers: [53, 116] Generated Node #0,0,2: 75:[53, 116] Operation: 97+19=116 Exploring Operation: 53+19=72, Resulting Numbers: [97, 72] Generated Node #0,0,3: 75:[97, 72] Operation: 53+19=72 Exploring Operation: 97-19=78, Resulting Numbers: [53, 78] Generated Node #0,0,4: 75:[53, 78] Operation: 97-19=78 Moving to Node #0,2 Current State: 75:[3, 97, 110], Operations: ['53+57=110'] Exploring Operation: 3+97=100, Resulting Numbers: [110, 100] Generated Node #0,2,0: 75:[110, 100] Operation: 3+97=100 Exploring Operation: 110-97=13, Resulting Numbers: [3, 13] Generated Node #0,2,1: 75:[3, 13] Operation: 110-97=13 Exploring Operation: 3+110=113, Resulting Numbers: [97, 113] Generated Node #0,2,2: 75:[97, 113] Operation: 3+110=113 Exploring Operation: 97-3=94, Resulting Numbers: [110, 94] Generated Node #0,2,3: 75:[110, 94] Operation: 97-3=94 Exploring Operation: 110-3=107, Resulting Numbers: [97, 107] Generated Node #0,2,4: 75:[97, 107] Operation: 110-3=107 Moving to Node #0,4,1 Current State: 75:[3, 13], Operations: ['97-53=44', '57-44=13'] Exploring Operation: 3*13=39, Resulting Numbers: [39] 39,75 unequal: No Solution Exploring Operation: 13-3=10, Resulting Numbers: [10] 10,75 unequal: No Solution Exploring Operation: 3+13=16, Resulting Numbers: [16] 16,75 unequal: No Solution Moving to Node #0,2,1 Current State: 75:[3, 13], Operations: ['53+57=110', '110-97=13'] Exploring Operation: 3+13=16, Resulting Numbers: [16] 16,75 unequal: No Solution Exploring Operation: 13-3=10, Resulting Numbers: [10] 10,75 unequal: No Solution Exploring Operation: 3*13=39, Resulting Numbers: [39] 39,75 unequal: No Solution Moving to Node #0,0,0 Current State: 75:[19, 44], Operations: ['57/3=19', '97-53=44'] Exploring Operation: 19+44=63, Resulting Numbers: [63] 63,75 unequal: No Solution Exploring Operation: 19*44=836, Resulting Numbers: [836] 836,75 unequal: No Solution Exploring Operation: 44-19=25, Resulting Numbers: [25] 25,75 unequal: No Solution Moving to Node #0,4,0 Current State: 75:[44, 19], Operations: ['97-53=44', '57/3=19'] Exploring Operation: 44*19=836, Resulting Numbers: [836] 836,75 unequal: No Solution Exploring Operation: 44+19=63, Resulting Numbers: [63] 63,75 unequal: No Solution Exploring Operation: 44-19=25, Resulting Numbers: [25] 25,75 unequal: No Solution Moving to Node #0,0,3 Current State: 75:[97, 72], Operations: ['57/3=19', '53+19=72'] Exploring Operation: 97-72=25, Resulting Numbers: [25] 25,75 unequal: No Solution Exploring Operation: 97+72=169, Resulting Numbers: [169] 169,75 unequal: No Solution Exploring Operation: 97*72=6984, Resulting Numbers: [6984] 6984,75 unequal: No Solution Moving to Node #0,0,4 Current State: 75:[53, 78], Operations: ['57/3=19', '97-19=78'] Exploring Operation: 78-53=25, Resulting Numbers: [25] 25,75 unequal: No Solution Exploring Operation: 53+78=131, Resulting Numbers: [131] 131,75 unequal: No Solution Exploring Operation: 53*78=4134, Resulting Numbers: [4134] 4134,75 unequal: No Solution Moving to Node #0,4,4 Current State: 75:[3, 101], Operations: ['97-53=44', '57+44=101'] Exploring Operation: 3*101=303, Resulting Numbers: [303] 303,75 unequal: No Solution Exploring Operation: 3+101=104, Resulting Numbers: [104] 104,75 unequal: No Solution Exploring Operation: 101-3=98, Resulting Numbers: [98] 98,75 unequal: No Solution Moving to Node #0,0,1 Current State: 75:[97, 34], Operations: ['57/3=19', '53-19=34'] Exploring Operation: 97-34=63, Resulting Numbers: [63] 63,75 unequal: No Solution Exploring Operation: 97*34=3298, Resulting Numbers: [3298] 3298,75 unequal: No Solution Exploring Operation: 97+34=131, Resulting Numbers: [131] 131,75 unequal: No Solution Moving to Node #0,4,3 Current State: 75:[57, 41], Operations: ['97-53=44', '44-3=41'] Exploring Operation: 57*41=2337, Resulting Numbers: [2337] 2337,75 unequal: No Solution Exploring Operation: 57+41=98, Resulting Numbers: [98] 98,75 unequal: No Solution Exploring Operation: 57-41=16, Resulting Numbers: [16] 16,75 unequal: No Solution Moving to Node #0,4,2 Current State: 75:[44, 60], Operations: ['97-53=44', '3+57=60'] Exploring Operation: 44*60=2640, Resulting Numbers: [2640] 2640,75 unequal: No Solution Exploring Operation: 44+60=104, Resulting Numbers: [104] 104,75 unequal: No Solution Exploring Operation: 60-44=16, Resulting Numbers: [16] 16,75 unequal: No Solution Moving to Node #0,2,3 Current State: 75:[110, 94], Operations: ['53+57=110', '97-3=94'] Exploring Operation: 110*94=10340, Resulting Numbers: [10340] 10340,75 unequal: No Solution Exploring Operation: 110-94=16, Resulting Numbers: [16] 16,75 unequal: No Solution Exploring Operation: 110+94=204, Resulting Numbers: [204] 204,75 unequal: No Solution Moving to Node #0,2,4 Current State: 75:[97, 107], Operations: ['53+57=110', '110-3=107'] Exploring Operation: 97*107=10379, Resulting Numbers: [10379] 10379,75 unequal: No Solution Exploring Operation: 97+107=204, Resulting Numbers: [204] 204,75 unequal: No Solution Exploring Operation: 107-97=10, Resulting Numbers: [10] 10,75 unequal: No Solution Moving to Node #0,2,2 Current State: 75:[97, 113], Operations: ['53+57=110', '3+110=113'] Exploring Operation: 97+113=210, Resulting Numbers: [210] 210,75 unequal: No Solution Exploring Operation: 97*113=10961, Resulting Numbers: [10961] 10961,75 unequal: No Solution Exploring Operation: 113-97=16, Resulting Numbers: [16] 16,75 unequal: No Solution Moving to Node #0,2,0 Current State: 75:[110, 100], Operations: ['53+57=110', '3+97=100'] Exploring Operation: 110+100=210, Resulting Numbers: [210] 210,75 unequal: No Solution Exploring Operation: 110-100=10, Resulting Numbers: [10] 10,75 unequal: No Solution Exploring Operation: 110*100=11000, Resulting Numbers: [11000] 11000,75 unequal: No Solution Moving to Node #0,0,2 Current State: 75:[53, 116], Operations: ['57/3=19', '97+19=116'] Exploring Operation: 116-53=63, Resulting Numbers: [63] 63,75 unequal: No Solution Exploring Operation: 53*116=6148, Resulting Numbers: [6148] 6148,75 unequal: No Solution Exploring Operation: 53+116=169, Resulting Numbers: [169] 169,75 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 72, 97, 43, 37 ]
55
[ "97-72=25", "43+37=80", "80-25=55" ]
Current State: 55:[72, 97, 43, 37], Operations: [] Exploring Operation: 97-72=25, Resulting Numbers: [43, 37, 25] Generated Node #2: [43, 37, 25] from Operation: 97-72=25 Current State: 55:[43, 37, 25], Operations: ['97-72=25'] Exploring Operation: 43+37=80, Resulting Numbers: [25, 80] Generated Node #3: [25, 80] from Operation: 43+37=80 Current State: 55:[25, 80], Operations: ['97-72=25', '43+37=80'] Exploring Operation: 80-25=55, Resulting Numbers: [55] 55,55 equal: Goal Reached
4
Current State: 55:[72, 97, 43, 37], Operations: [] Exploring Operation: 97-72=25, Resulting Numbers: [43, 37, 25] Generated Node #0,0: 55:[43, 37, 25] Operation: 97-72=25 Exploring Operation: 97-37=60, Resulting Numbers: [72, 43, 60] Generated Node #0,1: 55:[72, 43, 60] Operation: 97-37=60 Exploring Operation: 97-43=54, Resulting Numbers: [72, 37, 54] Generated Node #0,2: 55:[72, 37, 54] Operation: 97-43=54 Start Sub Search at level 1: Moving to Node #0,1 Current State: 55:[72, 43, 60], Operations: ['97-37=60'] Exploring Operation: 72-60=12, Resulting Numbers: [43, 12] Generated Node #0,1,0: 55:[43, 12] Operation: 72-60=12 Exploring Operation: 60-43=17, Resulting Numbers: [72, 17] Generated Node #0,1,1: 55:[72, 17] Operation: 60-43=17 Exploring Operation: 72-43=29, Resulting Numbers: [60, 29] Generated Node #0,1,2: 55:[60, 29] Operation: 72-43=29 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 55:[43, 12], Operations: ['97-37=60', '72-60=12'] Exploring Operation: 43+12=55, Resulting Numbers: [55] 55,55 equal: Goal Reached Moving to Node #0 Current State: 55:[72, 97, 43, 37], Operations: [] Exploring Operation: 97-37=60, Resulting Numbers: [72, 43, 60] Generated Node #0,1: 55:[72, 43, 60] Operation: 97-37=60 Moving to Node #0,1 Current State: 55:[72, 43, 60], Operations: ['97-37=60'] Exploring Operation: 72-60=12, Resulting Numbers: [43, 12] Generated Node #0,1,0: 55:[43, 12] Operation: 72-60=12 Moving to Node #0,1,0 Current State: 55:[43, 12], Operations: ['97-37=60', '72-60=12'] Exploring Operation: 43+12=55, Resulting Numbers: [55] 55,55 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.990451
hs_3
mult_heuristic
[ 7, 98, 96, 70 ]
65
[ "98-7=91", "96-70=26", "91-26=65" ]
Current State: 65:[7, 98, 96, 70], Operations: [] Exploring Operation: 98-7=91, Resulting Numbers: [96, 70, 91] Generated Node #2: [96, 70, 91] from Operation: 98-7=91 Current State: 65:[96, 70, 91], Operations: ['98-7=91'] Exploring Operation: 96-70=26, Resulting Numbers: [91, 26] Generated Node #3: [91, 26] from Operation: 96-70=26 Current State: 65:[91, 26], Operations: ['98-7=91', '96-70=26'] Exploring Operation: 91-26=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
4
Current State: 65:[7, 98, 96, 70], Operations: [] Exploring Operation: 98-96=2, Resulting Numbers: [7, 70, 2] Generated Node #0,0: 65:[7, 70, 2] Operation: 98-96=2 Start Sub Search at level 1: Moving to Node #0,0 Current State: 65:[7, 70, 2], Operations: ['98-96=2'] Exploring Operation: 70-7=63, Resulting Numbers: [2, 63] Generated Node #0,0,0: 65:[2, 63] Operation: 70-7=63 Moving to Node #0,0,0 Current State: 65:[2, 63], Operations: ['98-96=2', '70-7=63'] Exploring Operation: 2+63=65, Resulting Numbers: [65] 65,65 equal: Goal Reached Moving to Node #0 Current State: 65:[7, 98, 96, 70], Operations: [] Exploring Operation: 98-96=2, Resulting Numbers: [7, 70, 2] Generated Node #0,0: 65:[7, 70, 2] Operation: 98-96=2 Moving to Node #0,0 Current State: 65:[7, 70, 2], Operations: ['98-96=2'] Exploring Operation: 70-7=63, Resulting Numbers: [2, 63] Generated Node #0,0,0: 65:[2, 63] Operation: 70-7=63 Moving to Node #0,0,0 Current State: 65:[2, 63], Operations: ['98-96=2', '70-7=63'] Exploring Operation: 2+63=65, Resulting Numbers: [65] 65,65 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 89, 5, 6, 7 ]
26
[ "89+6=95", "95/5=19", "7+19=26" ]
Current State: 26:[89, 5, 6, 7], Operations: [] Exploring Operation: 89+6=95, Resulting Numbers: [5, 7, 95] Generated Node #2: [5, 7, 95] from Operation: 89+6=95 Current State: 26:[5, 7, 95], Operations: ['89+6=95'] Exploring Operation: 95/5=19, Resulting Numbers: [7, 19] Generated Node #3: [7, 19] from Operation: 95/5=19 Current State: 26:[7, 19], Operations: ['89+6=95', '95/5=19'] Exploring Operation: 7+19=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
4
Current State: 26:[89, 5, 6, 7], Operations: [] Exploring Operation: 89-7=82, Resulting Numbers: [5, 6, 82] Generated Node #0,0: 26:[5, 6, 82] Operation: 89-7=82 Exploring Operation: 89-6=83, Resulting Numbers: [5, 7, 83] Generated Node #0,1: 26:[5, 7, 83] Operation: 89-6=83 Moving to Node #0,0 Current State: 26:[5, 6, 82], Operations: ['89-7=82'] Exploring Operation: 82-6=76, Resulting Numbers: [5, 76] Generated Node #0,0,0: 26:[5, 76] Operation: 82-6=76 Exploring Operation: 82-5=77, Resulting Numbers: [6, 77] Generated Node #0,0,1: 26:[6, 77] Operation: 82-5=77 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 26:[5, 76], Operations: ['89-7=82', '82-6=76'] Exploring Operation: 5+76=81, Resulting Numbers: [81] 81,26 unequal: No Solution Exploring Operation: 76-5=71, Resulting Numbers: [71] 71,26 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 #0,0,1 Current State: 26:[6, 77], Operations: ['89-7=82', '82-5=77'] Exploring Operation: 6+77=83, Resulting Numbers: [83] 83,26 unequal: No Solution Exploring Operation: 77-6=71, Resulting Numbers: [71] 71,26 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: 26:[5, 7, 83], Operations: ['89-6=83'] Exploring Operation: 83-7=76, Resulting Numbers: [5, 76] Generated Node #0,1,0: 26:[5, 76] Operation: 83-7=76 Exploring Operation: 7-5=2, Resulting Numbers: [83, 2] Generated Node #0,1,1: 26:[83, 2] Operation: 7-5=2 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 26:[5, 76], Operations: ['89-6=83', '83-7=76'] Exploring Operation: 76-5=71, Resulting Numbers: [71] 71,26 unequal: No Solution Exploring Operation: 5+76=81, Resulting Numbers: [81] 81,26 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:[83, 2], Operations: ['89-6=83', '7-5=2'] Exploring Operation: 83-2=81, Resulting Numbers: [81] 81,26 unequal: No Solution Exploring Operation: 83+2=85, Resulting Numbers: [85] 85,26 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
[ 75, 3, 57, 73 ]
27
[ "75-73=2", "57-3=54", "54/2=27" ]
Current State: 27:[75, 3, 57, 73], Operations: [] Exploring Operation: 75-73=2, Resulting Numbers: [3, 57, 2] Generated Node #2: [3, 57, 2] from Operation: 75-73=2 Current State: 27:[3, 57, 2], Operations: ['75-73=2'] Exploring Operation: 57-3=54, Resulting Numbers: [2, 54] Generated Node #3: [2, 54] from Operation: 57-3=54 Current State: 27:[2, 54], Operations: ['75-73=2', '57-3=54'] Exploring Operation: 54/2=27, Resulting Numbers: [27] 27,27 equal: Goal Reached
4
Current State: 27:[75, 3, 57, 73], Operations: [] Exploring Operation: 75-57=18, Resulting Numbers: [3, 73, 18] Generated Node #0,0: 27:[3, 73, 18] Operation: 75-57=18 Exploring Operation: 73-57=16, Resulting Numbers: [75, 3, 16] Generated Node #0,1: 27:[75, 3, 16] Operation: 73-57=16 Exploring Operation: 75-73=2, Resulting Numbers: [3, 57, 2] Generated Node #0,2: 27:[3, 57, 2] Operation: 75-73=2 Exploring Operation: 75/3=25, Resulting Numbers: [57, 73, 25] Generated Node #0,3: 27:[57, 73, 25] Operation: 75/3=25 Start Sub Search at level 1: Moving to Node #0,2 Current State: 27:[3, 57, 2], Operations: ['75-73=2'] Exploring Operation: 57/3=19, Resulting Numbers: [2, 19] Generated Node #0,2,0: 27:[2, 19] Operation: 57/3=19 Exploring Operation: 3+2=5, Resulting Numbers: [57, 5] Generated Node #0,2,1: 27:[57, 5] Operation: 3+2=5 Exploring Operation: 57-3=54, Resulting Numbers: [2, 54] Generated Node #0,2,2: 27:[2, 54] Operation: 57-3=54 Exploring Operation: 57-2=55, Resulting Numbers: [3, 55] Generated Node #0,2,3: 27:[3, 55] Operation: 57-2=55 Moving to Node #0,2,0 Current State: 27:[2, 19], Operations: ['75-73=2', '57/3=19'] Exploring Operation: 2*19=38, Resulting Numbers: [38] 38,27 unequal: No Solution Exploring Operation: 2+19=21, Resulting Numbers: [21] 21,27 unequal: No Solution Exploring Operation: 19-2=17, Resulting Numbers: [17] 17,27 unequal: No Solution Moving to Node #0,2,3 Current State: 27:[3, 55], Operations: ['75-73=2', '57-2=55'] Exploring Operation: 3+55=58, Resulting Numbers: [58] 58,27 unequal: No Solution Exploring Operation: 55-3=52, Resulting Numbers: [52] 52,27 unequal: No Solution Exploring Operation: 3*55=165, Resulting Numbers: [165] 165,27 unequal: No Solution Moving to Node #0,2,2 Current State: 27:[2, 54], Operations: ['75-73=2', '57-3=54'] Exploring Operation: 54-2=52, Resulting Numbers: [52] 52,27 unequal: No Solution Exploring Operation: 2+54=56, Resulting Numbers: [56] 56,27 unequal: No Solution Exploring Operation: 54/2=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Moving to Node #0 Current State: 27:[75, 3, 57, 73], Operations: [] Exploring Operation: 75-73=2, Resulting Numbers: [3, 57, 2] Generated Node #0,2: 27:[3, 57, 2] Operation: 75-73=2 Moving to Node #0,2 Current State: 27:[3, 57, 2], Operations: ['75-73=2'] Exploring Operation: 57-3=54, Resulting Numbers: [2, 54] Generated Node #0,2,2: 27:[2, 54] Operation: 57-3=54 Moving to Node #0,2,2 Current State: 27:[2, 54], Operations: ['75-73=2', '57-3=54'] Exploring Operation: 54/2=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Exit Sub Search at level 1
0.981771
hs_4
sum_heuristic
[ 25, 68, 71, 20 ]
35
[ "71-68=3", "20*3=60", "60-25=35" ]
Current State: 35:[25, 68, 71, 20], Operations: [] Exploring Operation: 71-68=3, Resulting Numbers: [25, 20, 3] Generated Node #2: [25, 20, 3] from Operation: 71-68=3 Current State: 35:[25, 20, 3], Operations: ['71-68=3'] Exploring Operation: 20*3=60, Resulting Numbers: [25, 60] Generated Node #3: [25, 60] from Operation: 20*3=60 Current State: 35:[25, 60], Operations: ['71-68=3', '20*3=60'] Exploring Operation: 60-25=35, Resulting Numbers: [35] 35,35 equal: Goal Reached
4
Current State: 35:[25, 68, 71, 20], Operations: [] Exploring Operation: 71-68=3, Resulting Numbers: [25, 20, 3] Generated Node #0,0: 35:[25, 20, 3] Operation: 71-68=3 Start Sub Search at level 1: Moving to Node #0,0 Current State: 35:[25, 20, 3], Operations: ['71-68=3'] Exploring Operation: 25-20=5, Resulting Numbers: [3, 5] Generated Node #0,0,0: 35:[3, 5] Operation: 25-20=5 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 35:[3, 5], Operations: ['71-68=3', '25-20=5'] Exploring Operation: 3+5=8, Resulting Numbers: [8] 8,35 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 8, 49, 79, 22 ]
38
[ "49+79=128", "128/8=16", "22+16=38" ]
Current State: 38:[8, 49, 79, 22], Operations: [] Exploring Operation: 49+79=128, Resulting Numbers: [8, 22, 128] Generated Node #2: [8, 22, 128] from Operation: 49+79=128 Current State: 38:[8, 22, 128], Operations: ['49+79=128'] Exploring Operation: 128/8=16, Resulting Numbers: [22, 16] Generated Node #3: [22, 16] from Operation: 128/8=16 Current State: 38:[22, 16], Operations: ['49+79=128', '128/8=16'] Exploring Operation: 22+16=38, Resulting Numbers: [38] 38,38 equal: Goal Reached
4
Current State: 38:[8, 49, 79, 22], Operations: [] Exploring Operation: 49-8=41, Resulting Numbers: [79, 22, 41] Generated Node #0,0: 38:[79, 22, 41] Operation: 49-8=41 Exploring Operation: 79-49=30, Resulting Numbers: [8, 22, 30] Generated Node #0,1: 38:[8, 22, 30] Operation: 79-49=30 Exploring Operation: 79-22=57, Resulting Numbers: [8, 49, 57] Generated Node #0,2: 38:[8, 49, 57] Operation: 79-22=57 Start Sub Search at level 1: Moving to Node #0,1 Current State: 38:[8, 22, 30], Operations: ['79-49=30'] Exploring Operation: 8+30=38, Resulting Numbers: [22, 38] Generated Node #0,1,0: 38:[22, 38] Operation: 8+30=38 Exploring Operation: 30-8=22, Resulting Numbers: [22, 22] Generated Node #0,1,1: 38:[22, 22] Operation: 30-8=22 Exploring Operation: 30-22=8, Resulting Numbers: [8, 8] Generated Node #0,1,2: 38:[8, 8] Operation: 30-22=8 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 38:[22, 38], Operations: ['79-49=30', '8+30=38'] Exploring Operation: 22+38=60, Resulting Numbers: [60] 60,38 unequal: No Solution Exploring Operation: 38-22=16, Resulting Numbers: [16] 16,38 unequal: No Solution Exploring Operation: 22*38=836, Resulting Numbers: [836] 836,38 unequal: No Solution No 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: 38:[22, 22], Operations: ['79-49=30', '30-8=22'] Exploring Operation: 22-22=0, Resulting Numbers: [0] 0,38 unequal: No Solution Exploring Operation: 22/22=1, Resulting Numbers: [1] 1,38 unequal: No Solution Exploring Operation: 22+22=44, Resulting Numbers: [44] 44,38 unequal: No Solution No 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: 38:[8, 8], Operations: ['79-49=30', '30-22=8'] Exploring Operation: 8/8=1, Resulting Numbers: [1] 1,38 unequal: No Solution Exploring Operation: 8-8=0, Resulting Numbers: [0] 0,38 unequal: No Solution Exploring Operation: 8+8=16, Resulting Numbers: [16] 16,38 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: 38:[8, 49, 57], Operations: ['79-22=57'] Exploring Operation: 57-8=49, Resulting Numbers: [49, 49] Generated Node #0,2,0: 38:[49, 49] Operation: 57-8=49 Exploring Operation: 49-8=41, Resulting Numbers: [57, 41] Generated Node #0,2,1: 38:[57, 41] Operation: 49-8=41 Exploring Operation: 57-49=8, Resulting Numbers: [8, 8] Generated Node #0,2,2: 38:[8, 8] Operation: 57-49=8 Moving to Node #0,2,2 Current State: 38:[8, 8], Operations: ['79-22=57', '57-49=8'] Exploring Operation: 8-8=0, Resulting Numbers: [0] 0,38 unequal: No Solution Exploring Operation: 8/8=1, Resulting Numbers: [1] 1,38 unequal: No Solution Exploring Operation: 8+8=16, Resulting Numbers: [16] 16,38 unequal: No Solution Moving to Node #0,2,0 Current State: 38:[49, 49], Operations: ['79-22=57', '57-8=49'] Exploring Operation: 49/49=1, Resulting Numbers: [1] 1,38 unequal: No Solution Exploring Operation: 49-49=0, Resulting Numbers: [0] 0,38 unequal: No Solution Exploring Operation: 49+49=98, Resulting Numbers: [98] 98,38 unequal: No Solution Moving to Node #0,2,1 Current State: 38:[57, 41], Operations: ['79-22=57', '49-8=41'] Exploring Operation: 57-41=16, Resulting Numbers: [16] 16,38 unequal: No Solution Exploring Operation: 57+41=98, Resulting Numbers: [98] 98,38 unequal: No Solution Exploring Operation: 57*41=2337, Resulting Numbers: [2337] 2337,38 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 38:[79, 22, 41], Operations: ['49-8=41'] Exploring Operation: 79-41=38, Resulting Numbers: [22, 38] Generated Node #0,0,0: 38:[22, 38] Operation: 79-41=38 Exploring Operation: 79-22=57, Resulting Numbers: [41, 57] Generated Node #0,0,1: 38:[41, 57] Operation: 79-22=57 Exploring Operation: 41-22=19, Resulting Numbers: [79, 19] Generated Node #0,0,2: 38:[79, 19] Operation: 41-22=19 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 38:[22, 38], Operations: ['49-8=41', '79-41=38'] Exploring Operation: 22*38=836, Resulting Numbers: [836] 836,38 unequal: No Solution Exploring Operation: 22+38=60, Resulting Numbers: [60] 60,38 unequal: No Solution Exploring Operation: 38-22=16, Resulting Numbers: [16] 16,38 unequal: No Solution No 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: 38:[41, 57], Operations: ['49-8=41', '79-22=57'] Exploring Operation: 57-41=16, Resulting Numbers: [16] 16,38 unequal: No Solution Exploring Operation: 41+57=98, Resulting Numbers: [98] 98,38 unequal: No Solution Exploring Operation: 41*57=2337, Resulting Numbers: [2337] 2337,38 unequal: No Solution No 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: 38:[79, 19], Operations: ['49-8=41', '41-22=19'] Exploring Operation: 79+19=98, Resulting Numbers: [98] 98,38 unequal: No Solution Exploring Operation: 79-19=60, Resulting Numbers: [60] 60,38 unequal: No Solution Exploring Operation: 79*19=1501, Resulting Numbers: [1501] 1501,38 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
mult_heuristic
[ 8, 9, 37, 34 ]
39
[ "8+9=17", "34/17=2", "37+2=39" ]
Current State: 39:[8, 9, 37, 34], Operations: [] Exploring Operation: 8+9=17, Resulting Numbers: [37, 34, 17] Generated Node #2: [37, 34, 17] from Operation: 8+9=17 Current State: 39:[37, 34, 17], Operations: ['8+9=17'] Exploring Operation: 34/17=2, Resulting Numbers: [37, 2] Generated Node #3: [37, 2] from Operation: 34/17=2 Current State: 39:[37, 2], Operations: ['8+9=17', '34/17=2'] Exploring Operation: 37+2=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
4
Current State: 39:[8, 9, 37, 34], Operations: [] Exploring Operation: 9+34=43, Resulting Numbers: [8, 37, 43] Generated Node #0,0: 39:[8, 37, 43] Operation: 9+34=43 Exploring Operation: 8+34=42, Resulting Numbers: [9, 37, 42] Generated Node #0,1: 39:[9, 37, 42] Operation: 8+34=42 Exploring Operation: 9-8=1, Resulting Numbers: [37, 34, 1] Generated Node #0,2: 39:[37, 34, 1] Operation: 9-8=1 Exploring Operation: 8+9=17, Resulting Numbers: [37, 34, 17] Generated Node #0,3: 39:[37, 34, 17] Operation: 8+9=17 Exploring Operation: 37-34=3, Resulting Numbers: [8, 9, 3] Generated Node #0,4: 39:[8, 9, 3] Operation: 37-34=3 Moving to Node #0,1 Current State: 39:[9, 37, 42], Operations: ['8+34=42'] Exploring Operation: 9+42=51, Resulting Numbers: [37, 51] Generated Node #0,1,0: 39:[37, 51] Operation: 9+42=51 Exploring Operation: 9+37=46, Resulting Numbers: [42, 46] Generated Node #0,1,1: 39:[42, 46] Operation: 9+37=46 Exploring Operation: 37-9=28, Resulting Numbers: [42, 28] Generated Node #0,1,2: 39:[42, 28] Operation: 37-9=28 Exploring Operation: 42-9=33, Resulting Numbers: [37, 33] Generated Node #0,1,3: 39:[37, 33] Operation: 42-9=33 Exploring Operation: 42-37=5, Resulting Numbers: [9, 5] Generated Node #0,1,4: 39:[9, 5] Operation: 42-37=5 Moving to Node #0,4 Current State: 39:[8, 9, 3], Operations: ['37-34=3'] Exploring Operation: 8+9=17, Resulting Numbers: [3, 17] Generated Node #0,4,0: 39:[3, 17] Operation: 8+9=17 Exploring Operation: 8+3=11, Resulting Numbers: [9, 11] Generated Node #0,4,1: 39:[9, 11] Operation: 8+3=11 Exploring Operation: 8-3=5, Resulting Numbers: [9, 5] Generated Node #0,4,2: 39:[9, 5] Operation: 8-3=5 Exploring Operation: 9/3=3, Resulting Numbers: [8, 3] Generated Node #0,4,3: 39:[8, 3] Operation: 9/3=3 Exploring Operation: 9-8=1, Resulting Numbers: [3, 1] Generated Node #0,4,4: 39:[3, 1] Operation: 9-8=1 Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 39:[3, 1], Operations: ['37-34=3', '9-8=1'] Exploring Operation: 3-1=2, Resulting Numbers: [2] 2,39 unequal: No Solution Exploring Operation: 3*1=3, Resulting Numbers: [3] 3,39 unequal: No Solution Exploring Operation: 3/1=3, Resulting Numbers: [3] 3,39 unequal: No Solution Exploring Operation: 3+1=4, Resulting Numbers: [4] 4,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 39:[3, 17], Operations: ['37-34=3', '8+9=17'] Exploring Operation: 17-3=14, Resulting Numbers: [14] 14,39 unequal: No Solution Exploring Operation: 3*17=51, Resulting Numbers: [51] 51,39 unequal: No Solution Exploring Operation: 3+17=20, Resulting Numbers: [20] 20,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 39:[8, 3], Operations: ['37-34=3', '9/3=3'] Exploring Operation: 8+3=11, Resulting Numbers: [11] 11,39 unequal: No Solution Exploring Operation: 8-3=5, Resulting Numbers: [5] 5,39 unequal: No Solution Exploring Operation: 8*3=24, Resulting Numbers: [24] 24,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 39:[9, 11], Operations: ['37-34=3', '8+3=11'] Exploring Operation: 9*11=99, Resulting Numbers: [99] 99,39 unequal: No Solution Exploring Operation: 9+11=20, Resulting Numbers: [20] 20,39 unequal: No Solution Exploring Operation: 11-9=2, Resulting Numbers: [2] 2,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 39:[9, 5], Operations: ['37-34=3', '8-3=5'] Exploring Operation: 9-5=4, Resulting Numbers: [4] 4,39 unequal: No Solution Exploring Operation: 9+5=14, Resulting Numbers: [14] 14,39 unequal: No Solution Exploring Operation: 9*5=45, Resulting Numbers: [45] 45,39 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: 39:[37, 34, 1], Operations: ['9-8=1'] Exploring Operation: 34+1=35, Resulting Numbers: [37, 35] Generated Node #0,2,0: 39:[37, 35] Operation: 34+1=35 Exploring Operation: 37/1=37, Resulting Numbers: [34, 37] Generated Node #0,2,1: 39:[34, 37] Operation: 37/1=37 Exploring Operation: 37*1=37, Resulting Numbers: [34, 37] Generated Node #0,2,2: 39:[34, 37] Operation: 37*1=37 Exploring Operation: 37+1=38, Resulting Numbers: [34, 38] Generated Node #0,2,3: 39:[34, 38] Operation: 37+1=38 Exploring Operation: 37-34=3, Resulting Numbers: [1, 3] Generated Node #0,2,4: 39:[1, 3] Operation: 37-34=3 Moving to Node #0,0 Current State: 39:[8, 37, 43], Operations: ['9+34=43'] Exploring Operation: 43-37=6, Resulting Numbers: [8, 6] Generated Node #0,0,0: 39:[8, 6] Operation: 43-37=6 Exploring Operation: 37-8=29, Resulting Numbers: [43, 29] Generated Node #0,0,1: 39:[43, 29] Operation: 37-8=29 Exploring Operation: 8+37=45, Resulting Numbers: [43, 45] Generated Node #0,0,2: 39:[43, 45] Operation: 8+37=45 Exploring Operation: 43-8=35, Resulting Numbers: [37, 35] Generated Node #0,0,3: 39:[37, 35] Operation: 43-8=35 Exploring Operation: 8+43=51, Resulting Numbers: [37, 51] Generated Node #0,0,4: 39:[37, 51] Operation: 8+43=51 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 39:[37, 35], Operations: ['9+34=43', '43-8=35'] Exploring Operation: 37+35=72, Resulting Numbers: [72] 72,39 unequal: No Solution Exploring Operation: 37*35=1295, Resulting Numbers: [1295] 1295,39 unequal: No Solution Exploring Operation: 37-35=2, Resulting Numbers: [2] 2,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 39:[8, 6], Operations: ['9+34=43', '43-37=6'] Exploring Operation: 8+6=14, Resulting Numbers: [14] 14,39 unequal: No Solution Exploring Operation: 8-6=2, Resulting Numbers: [2] 2,39 unequal: No Solution Exploring Operation: 8*6=48, Resulting Numbers: [48] 48,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 39:[43, 45], Operations: ['9+34=43', '8+37=45'] Exploring Operation: 43+45=88, Resulting Numbers: [88] 88,39 unequal: No Solution Exploring Operation: 45-43=2, Resulting Numbers: [2] 2,39 unequal: No Solution Exploring Operation: 43*45=1935, Resulting Numbers: [1935] 1935,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 39:[43, 29], Operations: ['9+34=43', '37-8=29'] Exploring Operation: 43-29=14, Resulting Numbers: [14] 14,39 unequal: No Solution Exploring Operation: 43+29=72, Resulting Numbers: [72] 72,39 unequal: No Solution Exploring Operation: 43*29=1247, Resulting Numbers: [1247] 1247,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 39:[37, 51], Operations: ['9+34=43', '8+43=51'] Exploring Operation: 37+51=88, Resulting Numbers: [88] 88,39 unequal: No Solution Exploring Operation: 37*51=1887, Resulting Numbers: [1887] 1887,39 unequal: No Solution Exploring Operation: 51-37=14, Resulting Numbers: [14] 14,39 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: 39:[37, 34, 17], Operations: ['8+9=17'] Exploring Operation: 37-34=3, Resulting Numbers: [17, 3] Generated Node #0,3,0: 39:[17, 3] Operation: 37-34=3 Exploring Operation: 34+17=51, Resulting Numbers: [37, 51] Generated Node #0,3,1: 39:[37, 51] Operation: 34+17=51 Exploring Operation: 34/17=2, Resulting Numbers: [37, 2] Generated Node #0,3,2: 39:[37, 2] Operation: 34/17=2 Exploring Operation: 34-17=17, Resulting Numbers: [37, 17] Generated Node #0,3,3: 39:[37, 17] Operation: 34-17=17 Exploring Operation: 37-17=20, Resulting Numbers: [34, 20] Generated Node #0,3,4: 39:[34, 20] Operation: 37-17=20 Moving to Node #0,2,4 Current State: 39:[1, 3], Operations: ['9-8=1', '37-34=3'] Exploring Operation: 1+3=4, Resulting Numbers: [4] 4,39 unequal: No Solution Exploring Operation: 3/1=3, Resulting Numbers: [3] 3,39 unequal: No Solution Exploring Operation: 3-1=2, Resulting Numbers: [2] 2,39 unequal: No Solution Exploring Operation: 1*3=3, Resulting Numbers: [3] 3,39 unequal: No Solution Moving to Node #0,3,2 Current State: 39:[37, 2], Operations: ['8+9=17', '34/17=2'] Exploring Operation: 37+2=39, Resulting Numbers: [39] 39,39 equal: Goal Reached Moving to Node #0 Current State: 39:[8, 9, 37, 34], Operations: [] Exploring Operation: 8+9=17, Resulting Numbers: [37, 34, 17] Generated Node #0,3: 39:[37, 34, 17] Operation: 8+9=17 Moving to Node #0,3 Current State: 39:[37, 34, 17], Operations: ['8+9=17'] Exploring Operation: 34/17=2, Resulting Numbers: [37, 2] Generated Node #0,3,2: 39:[37, 2] Operation: 34/17=2 Moving to Node #0,3,2 Current State: 39:[37, 2], Operations: ['8+9=17', '34/17=2'] Exploring Operation: 37+2=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
0.939236
hs_5
mult_heuristic
[ 22, 51, 36, 73 ]
36
[ "22+51=73", "36+73=109", "109-73=36" ]
Current State: 36:[22, 51, 36, 73], Operations: [] Exploring Operation: 22+51=73, Resulting Numbers: [36, 73, 73] Generated Node #2: [36, 73, 73] from Operation: 22+51=73 Current State: 36:[36, 73, 73], Operations: ['22+51=73'] Exploring Operation: 36+73=109, Resulting Numbers: [109] 109,36 equal: Goal Reached Exploring Operation: 109-73=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
4
Current State: 36:[22, 51, 36, 73], Operations: [] Exploring Operation: 51-22=29, Resulting Numbers: [36, 73, 29] Generated Node #0,0: 36:[36, 73, 29] Operation: 51-22=29 Exploring Operation: 73-51=22, Resulting Numbers: [22, 36, 22] Generated Node #0,1: 36:[22, 36, 22] Operation: 73-51=22 Exploring Operation: 73-36=37, Resulting Numbers: [22, 51, 37] Generated Node #0,2: 36:[22, 51, 37] Operation: 73-36=37 Exploring Operation: 51-36=15, Resulting Numbers: [22, 73, 15] Generated Node #0,3: 36:[22, 73, 15] Operation: 51-36=15 Exploring Operation: 73-22=51, Resulting Numbers: [51, 36, 51] Generated Node #0,4: 36:[51, 36, 51] Operation: 73-22=51 Moving to Node #0,1 Current State: 36:[22, 36, 22], Operations: ['73-51=22'] Exploring Operation: 36-22=14, Resulting Numbers: [22, 14] Generated Node #0,1,0: 36:[22, 14] Operation: 36-22=14 Exploring Operation: 36-22=14, Resulting Numbers: [22, 14] Generated Node #0,1,1: 36:[22, 14] Operation: 36-22=14 Exploring Operation: 22+22=44, Resulting Numbers: [36, 44] Generated Node #0,1,2: 36:[36, 44] Operation: 22+22=44 Exploring Operation: 22-22=0, Resulting Numbers: [36, 0] Generated Node #0,1,3: 36:[36, 0] Operation: 22-22=0 Exploring Operation: 22/22=1, Resulting Numbers: [36, 1] Generated Node #0,1,4: 36:[36, 1] Operation: 22/22=1 Moving to Node #0,2 Current State: 36:[22, 51, 37], Operations: ['73-36=37'] Exploring Operation: 37-22=15, Resulting Numbers: [51, 15] Generated Node #0,2,0: 36:[51, 15] Operation: 37-22=15 Exploring Operation: 22+37=59, Resulting Numbers: [51, 59] Generated Node #0,2,1: 36:[51, 59] Operation: 22+37=59 Exploring Operation: 22+51=73, Resulting Numbers: [37, 73] Generated Node #0,2,2: 36:[37, 73] Operation: 22+51=73 Exploring Operation: 51-37=14, Resulting Numbers: [22, 14] Generated Node #0,2,3: 36:[22, 14] Operation: 51-37=14 Exploring Operation: 51-22=29, Resulting Numbers: [37, 29] Generated Node #0,2,4: 36:[37, 29] Operation: 51-22=29 Moving to Node #0,4 Current State: 36:[51, 36, 51], Operations: ['73-22=51'] Exploring Operation: 51+36=87, Resulting Numbers: [51, 87] Generated Node #0,4,0: 36:[51, 87] Operation: 51+36=87 Exploring Operation: 51-51=0, Resulting Numbers: [36, 0] Generated Node #0,4,1: 36:[36, 0] Operation: 51-51=0 Exploring Operation: 51-36=15, Resulting Numbers: [51, 15] Generated Node #0,4,2: 36:[51, 15] Operation: 51-36=15 Exploring Operation: 51-36=15, Resulting Numbers: [51, 15] Generated Node #0,4,3: 36:[51, 15] Operation: 51-36=15 Exploring Operation: 51/51=1, Resulting Numbers: [36, 1] Generated Node #0,4,4: 36:[36, 1] Operation: 51/51=1 Moving to Node #0,0 Current State: 36:[36, 73, 29], Operations: ['51-22=29'] Exploring Operation: 36-29=7, Resulting Numbers: [73, 7] Generated Node #0,0,0: 36:[73, 7] Operation: 36-29=7 Exploring Operation: 36+29=65, Resulting Numbers: [73, 65] Generated Node #0,0,1: 36:[73, 65] Operation: 36+29=65 Exploring Operation: 73+29=102, Resulting Numbers: [36, 102] Generated Node #0,0,2: 36:[36, 102] Operation: 73+29=102 Exploring Operation: 73-29=44, Resulting Numbers: [36, 44] Generated Node #0,0,3: 36:[36, 44] Operation: 73-29=44 Exploring Operation: 73-36=37, Resulting Numbers: [29, 37] Generated Node #0,0,4: 36:[29, 37] Operation: 73-36=37 Moving to Node #0,3 Current State: 36:[22, 73, 15], Operations: ['51-36=15'] Exploring Operation: 22-15=7, Resulting Numbers: [73, 7] Generated Node #0,3,0: 36:[73, 7] Operation: 22-15=7 Exploring Operation: 22+15=37, Resulting Numbers: [73, 37] Generated Node #0,3,1: 36:[73, 37] Operation: 22+15=37 Exploring Operation: 73+15=88, Resulting Numbers: [22, 88] Generated Node #0,3,2: 36:[22, 88] Operation: 73+15=88 Exploring Operation: 73-22=51, Resulting Numbers: [15, 51] Generated Node #0,3,3: 36:[15, 51] Operation: 73-22=51 Exploring Operation: 73-15=58, Resulting Numbers: [22, 58] Generated Node #0,3,4: 36:[22, 58] Operation: 73-15=58 Moving to Node #0,1,4 Current State: 36:[36, 1], Operations: ['73-51=22', '22/22=1'] Exploring Operation: 36/1=36, Resulting Numbers: [36] 36,36 equal: Goal Reached Moving to Node #0 Current State: 36:[22, 51, 36, 73], Operations: [] Exploring Operation: 73-51=22, Resulting Numbers: [22, 36, 22] Generated Node #0,1: 36:[22, 36, 22] Operation: 73-51=22 Moving to Node #0,1 Current State: 36:[22, 36, 22], Operations: ['73-51=22'] Exploring Operation: 22/22=1, Resulting Numbers: [36, 1] Generated Node #0,1,4: 36:[36, 1] Operation: 22/22=1 Moving to Node #0,1,4 Current State: 36:[36, 1], Operations: ['73-51=22', '22/22=1'] Exploring Operation: 36/1=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
0.969618
hs_5
mult_heuristic
[ 72, 38, 63, 11 ]
18
[ "72-38=34", "63-11=52", "52-34=18" ]
Current State: 18:[72, 38, 63, 11], Operations: [] Exploring Operation: 72-38=34, Resulting Numbers: [63, 11, 34] Generated Node #2: [63, 11, 34] from Operation: 72-38=34 Current State: 18:[63, 11, 34], Operations: ['72-38=34'] Exploring Operation: 63-11=52, Resulting Numbers: [34, 52] Generated Node #3: [34, 52] from Operation: 63-11=52 Current State: 18:[34, 52], Operations: ['72-38=34', '63-11=52'] Exploring Operation: 52-34=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[72, 38, 63, 11], Operations: [] Exploring Operation: 72-38=34, Resulting Numbers: [63, 11, 34] Generated Node #0,0: 18:[63, 11, 34] Operation: 72-38=34 Exploring Operation: 72-63=9, Resulting Numbers: [38, 11, 9] Generated Node #0,1: 18:[38, 11, 9] Operation: 72-63=9 Exploring Operation: 63-38=25, Resulting Numbers: [72, 11, 25] Generated Node #0,2: 18:[72, 11, 25] Operation: 63-38=25 Moving to Node #0,1 Current State: 18:[38, 11, 9], Operations: ['72-63=9'] Exploring Operation: 11-9=2, Resulting Numbers: [38, 2] Generated Node #0,1,0: 18:[38, 2] Operation: 11-9=2 Exploring Operation: 38-9=29, Resulting Numbers: [11, 29] Generated Node #0,1,1: 18:[11, 29] Operation: 38-9=29 Exploring Operation: 38-11=27, Resulting Numbers: [9, 27] Generated Node #0,1,2: 18:[9, 27] Operation: 38-11=27 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 18:[9, 27], Operations: ['72-63=9', '38-11=27'] Exploring Operation: 9+27=36, Resulting Numbers: [36] 36,18 unequal: No Solution Exploring Operation: 27-9=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Moving to Node #0 Current State: 18:[72, 38, 63, 11], Operations: [] Exploring Operation: 72-63=9, Resulting Numbers: [38, 11, 9] Generated Node #0,1: 18:[38, 11, 9] Operation: 72-63=9 Moving to Node #0,1 Current State: 18:[38, 11, 9], Operations: ['72-63=9'] Exploring Operation: 38-11=27, Resulting Numbers: [9, 27] Generated Node #0,1,2: 18:[9, 27] Operation: 38-11=27 Moving to Node #0,1,2 Current State: 18:[9, 27], Operations: ['72-63=9', '38-11=27'] Exploring Operation: 27-9=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Exit Sub Search at level 1
0.989583
hs_3
mult_heuristic
[ 28, 28, 74, 20 ]
94
[ "28-28=0", "74+20=94", "0+94=94" ]
Current State: 94:[28, 28, 74, 20], Operations: [] Exploring Operation: 28-28=0, Resulting Numbers: [74, 20, 0] Generated Node #2: [74, 20, 0] from Operation: 28-28=0 Current State: 94:[74, 20, 0], Operations: ['28-28=0'] Exploring Operation: 74+20=94, Resulting Numbers: [0, 94] Generated Node #3: [0, 94] from Operation: 74+20=94 Current State: 94:[0, 94], Operations: ['28-28=0', '74+20=94'] Exploring Operation: 0+94=94, Resulting Numbers: [94] 94,94 equal: Goal Reached
4
Current State: 94:[28, 28, 74, 20], Operations: [] Exploring Operation: 74+20=94, Resulting Numbers: [28, 28, 94] Generated Node #0,0: 94:[28, 28, 94] Operation: 74+20=94 Exploring Operation: 74-28=46, Resulting Numbers: [28, 20, 46] Generated Node #0,1: 94:[28, 20, 46] Operation: 74-28=46 Exploring Operation: 74-28=46, Resulting Numbers: [28, 20, 46] Generated Node #0,2: 94:[28, 20, 46] Operation: 74-28=46 Exploring Operation: 28/28=1, Resulting Numbers: [74, 20, 1] Generated Node #0,3: 94:[74, 20, 1] Operation: 28/28=1 Exploring Operation: 28-28=0, Resulting Numbers: [74, 20, 0] Generated Node #0,4: 94:[74, 20, 0] Operation: 28-28=0 Moving to Node #0,0 Current State: 94:[28, 28, 94], Operations: ['74+20=94'] Exploring Operation: 94-28=66, Resulting Numbers: [28, 66] Generated Node #0,0,0: 94:[28, 66] Operation: 94-28=66 Exploring Operation: 94-28=66, Resulting Numbers: [28, 66] Generated Node #0,0,1: 94:[28, 66] Operation: 94-28=66 Exploring Operation: 28+28=56, Resulting Numbers: [94, 56] Generated Node #0,0,2: 94:[94, 56] Operation: 28+28=56 Exploring Operation: 28-28=0, Resulting Numbers: [94, 0] Generated Node #0,0,3: 94:[94, 0] Operation: 28-28=0 Exploring Operation: 28/28=1, Resulting Numbers: [94, 1] Generated Node #0,0,4: 94:[94, 1] Operation: 28/28=1 Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 94:[94, 1], Operations: ['74+20=94', '28/28=1'] Exploring Operation: 94*1=94, Resulting Numbers: [94] 94,94 equal: Goal Reached Moving to Node #0 Current State: 94:[28, 28, 74, 20], Operations: [] Exploring Operation: 74+20=94, Resulting Numbers: [28, 28, 94] Generated Node #0,0: 94:[28, 28, 94] Operation: 74+20=94 Moving to Node #0,0 Current State: 94:[28, 28, 94], Operations: ['74+20=94'] Exploring Operation: 28/28=1, Resulting Numbers: [94, 1] Generated Node #0,0,4: 94:[94, 1] Operation: 28/28=1 Moving to Node #0,0,4 Current State: 94:[94, 1], Operations: ['74+20=94', '28/28=1'] Exploring Operation: 94*1=94, Resulting Numbers: [94] 94,94 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_5
mult_heuristic
[ 86, 81, 2, 44 ]
54
[ "86-81=5", "2*5=10", "44+10=54" ]
Current State: 54:[86, 81, 2, 44], Operations: [] Exploring Operation: 86-81=5, Resulting Numbers: [2, 44, 5] Generated Node #2: [2, 44, 5] from Operation: 86-81=5 Current State: 54:[2, 44, 5], Operations: ['86-81=5'] Exploring Operation: 2*5=10, Resulting Numbers: [44, 10] Generated Node #3: [44, 10] from Operation: 2*5=10 Current State: 54:[44, 10], Operations: ['86-81=5', '2*5=10'] Exploring Operation: 44+10=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
4
Current State: 54:[86, 81, 2, 44], Operations: [] Exploring Operation: 86/2=43, Resulting Numbers: [81, 44, 43] Generated Node #0,0: 54:[81, 44, 43] Operation: 86/2=43 Exploring Operation: 81-44=37, Resulting Numbers: [86, 2, 37] Generated Node #0,1: 54:[86, 2, 37] Operation: 81-44=37 Exploring Operation: 86-81=5, Resulting Numbers: [2, 44, 5] Generated Node #0,2: 54:[2, 44, 5] Operation: 86-81=5 Exploring Operation: 44/2=22, Resulting Numbers: [86, 81, 22] Generated Node #0,3: 54:[86, 81, 22] Operation: 44/2=22 Exploring Operation: 86-44=42, Resulting Numbers: [81, 2, 42] Generated Node #0,4: 54:[81, 2, 42] Operation: 86-44=42 Start Sub Search at level 1: Moving to Node #0,2 Current State: 54:[2, 44, 5], Operations: ['86-81=5'] Exploring Operation: 5-2=3, Resulting Numbers: [44, 3] Generated Node #0,2,0: 54:[44, 3] Operation: 5-2=3 Exploring Operation: 44/2=22, Resulting Numbers: [5, 22] Generated Node #0,2,1: 54:[5, 22] Operation: 44/2=22 Exploring Operation: 44+5=49, Resulting Numbers: [2, 49] Generated Node #0,2,2: 54:[2, 49] Operation: 44+5=49 Exploring Operation: 2+5=7, Resulting Numbers: [44, 7] Generated Node #0,2,3: 54:[44, 7] Operation: 2+5=7 Exploring Operation: 2+44=46, Resulting Numbers: [5, 46] Generated Node #0,2,4: 54:[5, 46] Operation: 2+44=46 Moving to Node #0,2,1 Current State: 54:[5, 22], Operations: ['86-81=5', '44/2=22'] Exploring Operation: 22-5=17, Resulting Numbers: [17] 17,54 unequal: No Solution Exploring Operation: 5*22=110, Resulting Numbers: [110] 110,54 unequal: No Solution Exploring Operation: 5+22=27, Resulting Numbers: [27] 27,54 unequal: No Solution Moving to Node #0,2,2 Current State: 54:[2, 49], Operations: ['86-81=5', '44+5=49'] Exploring Operation: 49-2=47, Resulting Numbers: [47] 47,54 unequal: No Solution Exploring Operation: 2*49=98, Resulting Numbers: [98] 98,54 unequal: No Solution Exploring Operation: 2+49=51, Resulting Numbers: [51] 51,54 unequal: No Solution Moving to Node #0,2,4 Current State: 54:[5, 46], Operations: ['86-81=5', '2+44=46'] Exploring Operation: 46-5=41, Resulting Numbers: [41] 41,54 unequal: No Solution Exploring Operation: 5+46=51, Resulting Numbers: [51] 51,54 unequal: No Solution Exploring Operation: 5*46=230, Resulting Numbers: [230] 230,54 unequal: No Solution Moving to Node #0,2,0 Current State: 54:[44, 3], Operations: ['86-81=5', '5-2=3'] Exploring Operation: 44-3=41, Resulting Numbers: [41] 41,54 unequal: No Solution Exploring Operation: 44+3=47, Resulting Numbers: [47] 47,54 unequal: No Solution Exploring Operation: 44*3=132, Resulting Numbers: [132] 132,54 unequal: No Solution Moving to Node #0,2,3 Current State: 54:[44, 7], Operations: ['86-81=5', '2+5=7'] Exploring Operation: 44+7=51, Resulting Numbers: [51] 51,54 unequal: No Solution Exploring Operation: 44-7=37, Resulting Numbers: [37] 37,54 unequal: No Solution Exploring Operation: 44*7=308, Resulting Numbers: [308] 308,54 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 54:[81, 2, 42], Operations: ['86-44=42'] Exploring Operation: 42-2=40, Resulting Numbers: [81, 40] Generated Node #0,4,0: 54:[81, 40] Operation: 42-2=40 Exploring Operation: 81-42=39, Resulting Numbers: [2, 39] Generated Node #0,4,1: 54:[2, 39] Operation: 81-42=39 Exploring Operation: 81-2=79, Resulting Numbers: [42, 79] Generated Node #0,4,2: 54:[42, 79] Operation: 81-2=79 Exploring Operation: 2+42=44, Resulting Numbers: [81, 44] Generated Node #0,4,3: 54:[81, 44] Operation: 2+42=44 Exploring Operation: 42/2=21, Resulting Numbers: [81, 21] Generated Node #0,4,4: 54:[81, 21] Operation: 42/2=21 Moving to Node #0,4,1 Current State: 54:[2, 39], Operations: ['86-44=42', '81-42=39'] Exploring Operation: 2+39=41, Resulting Numbers: [41] 41,54 unequal: No Solution Exploring Operation: 39-2=37, Resulting Numbers: [37] 37,54 unequal: No Solution Exploring Operation: 2*39=78, Resulting Numbers: [78] 78,54 unequal: No Solution Moving to Node #0,4,4 Current State: 54:[81, 21], Operations: ['86-44=42', '42/2=21'] Exploring Operation: 81*21=1701, Resulting Numbers: [1701] 1701,54 unequal: No Solution Exploring Operation: 81-21=60, Resulting Numbers: [60] 60,54 unequal: No Solution Exploring Operation: 81+21=102, Resulting Numbers: [102] 102,54 unequal: No Solution Moving to Node #0,4,2 Current State: 54:[42, 79], Operations: ['86-44=42', '81-2=79'] Exploring Operation: 79-42=37, Resulting Numbers: [37] 37,54 unequal: No Solution Exploring Operation: 42*79=3318, Resulting Numbers: [3318] 3318,54 unequal: No Solution Exploring Operation: 42+79=121, Resulting Numbers: [121] 121,54 unequal: No Solution Moving to Node #0,4,3 Current State: 54:[81, 44], Operations: ['86-44=42', '2+42=44'] Exploring Operation: 81*44=3564, Resulting Numbers: [3564] 3564,54 unequal: No Solution Exploring Operation: 81-44=37, Resulting Numbers: [37] 37,54 unequal: No Solution Exploring Operation: 81+44=125, Resulting Numbers: [125] 125,54 unequal: No Solution Moving to Node #0,4,0 Current State: 54:[81, 40], Operations: ['86-44=42', '42-2=40'] Exploring Operation: 81-40=41, Resulting Numbers: [41] 41,54 unequal: No Solution Exploring Operation: 81+40=121, Resulting Numbers: [121] 121,54 unequal: No Solution Exploring Operation: 81*40=3240, Resulting Numbers: [3240] 3240,54 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 54:[86, 2, 37], Operations: ['81-44=37'] Exploring Operation: 37-2=35, Resulting Numbers: [86, 35] Generated Node #0,1,0: 54:[86, 35] Operation: 37-2=35 Exploring Operation: 86+2=88, Resulting Numbers: [37, 88] Generated Node #0,1,1: 54:[37, 88] Operation: 86+2=88 Exploring Operation: 86/2=43, Resulting Numbers: [37, 43] Generated Node #0,1,2: 54:[37, 43] Operation: 86/2=43 Exploring Operation: 86-2=84, Resulting Numbers: [37, 84] Generated Node #0,1,3: 54:[37, 84] Operation: 86-2=84 Exploring Operation: 86-37=49, Resulting Numbers: [2, 49] Generated Node #0,1,4: 54:[2, 49] Operation: 86-37=49 Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 54:[2, 49], Operations: ['81-44=37', '86-37=49'] Exploring Operation: 49-2=47, Resulting Numbers: [47] 47,54 unequal: No Solution Exploring Operation: 2+49=51, Resulting Numbers: [51] 51,54 unequal: No Solution Exploring Operation: 2*49=98, Resulting Numbers: [98] 98,54 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 54:[37, 43], Operations: ['81-44=37', '86/2=43'] Exploring Operation: 37*43=1591, Resulting Numbers: [1591] 1591,54 unequal: No Solution Exploring Operation: 43-37=6, Resulting Numbers: [6] 6,54 unequal: No Solution Exploring Operation: 37+43=80, Resulting Numbers: [80] 80,54 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 54:[86, 35], Operations: ['81-44=37', '37-2=35'] Exploring Operation: 86+35=121, Resulting Numbers: [121] 121,54 unequal: No Solution Exploring Operation: 86*35=3010, Resulting Numbers: [3010] 3010,54 unequal: No Solution Exploring Operation: 86-35=51, Resulting Numbers: [51] 51,54 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 54:[37, 84], Operations: ['81-44=37', '86-2=84'] Exploring Operation: 37*84=3108, Resulting Numbers: [3108] 3108,54 unequal: No Solution Exploring Operation: 37+84=121, Resulting Numbers: [121] 121,54 unequal: No Solution Exploring Operation: 84-37=47, Resulting Numbers: [47] 47,54 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 54:[37, 88], Operations: ['81-44=37', '86+2=88'] Exploring Operation: 88-37=51, Resulting Numbers: [51] 51,54 unequal: No Solution Exploring Operation: 37+88=125, Resulting Numbers: [125] 125,54 unequal: No Solution Exploring Operation: 37*88=3256, Resulting Numbers: [3256] 3256,54 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 54:[81, 44, 43], Operations: ['86/2=43'] Exploring Operation: 81-43=38, Resulting Numbers: [44, 38] Generated Node #0,0,0: 54:[44, 38] Operation: 81-43=38 Exploring Operation: 81-44=37, Resulting Numbers: [43, 37] Generated Node #0,0,1: 54:[43, 37] Operation: 81-44=37 Exploring Operation: 81+43=124, Resulting Numbers: [44, 124] Generated Node #0,0,2: 54:[44, 124] Operation: 81+43=124 Exploring Operation: 44+43=87, Resulting Numbers: [81, 87] Generated Node #0,0,3: 54:[81, 87] Operation: 44+43=87 Exploring Operation: 44-43=1, Resulting Numbers: [81, 1] Generated Node #0,0,4: 54:[81, 1] Operation: 44-43=1 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 54:[44, 38], Operations: ['86/2=43', '81-43=38'] Exploring Operation: 44-38=6, Resulting Numbers: [6] 6,54 unequal: No Solution Exploring Operation: 44+38=82, Resulting Numbers: [82] 82,54 unequal: No Solution Exploring Operation: 44*38=1672, Resulting Numbers: [1672] 1672,54 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 54:[43, 37], Operations: ['86/2=43', '81-44=37'] Exploring Operation: 43*37=1591, Resulting Numbers: [1591] 1591,54 unequal: No Solution Exploring Operation: 43-37=6, Resulting Numbers: [6] 6,54 unequal: No Solution Exploring Operation: 43+37=80, Resulting Numbers: [80] 80,54 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 54:[81, 1], Operations: ['86/2=43', '44-43=1'] Exploring Operation: 81-1=80, Resulting Numbers: [80] 80,54 unequal: No Solution Exploring Operation: 81+1=82, Resulting Numbers: [82] 82,54 unequal: No Solution Exploring Operation: 81*1=81, Resulting Numbers: [81] 81,54 unequal: No Solution Exploring Operation: 81/1=81, Resulting Numbers: [81] 81,54 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 54:[81, 87], Operations: ['86/2=43', '44+43=87'] Exploring Operation: 87-81=6, Resulting Numbers: [6] 6,54 unequal: No Solution Exploring Operation: 81*87=7047, Resulting Numbers: [7047] 7047,54 unequal: No Solution Exploring Operation: 81+87=168, Resulting Numbers: [168] 168,54 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 54:[44, 124], Operations: ['86/2=43', '81+43=124'] Exploring Operation: 44+124=168, Resulting Numbers: [168] 168,54 unequal: No Solution Exploring Operation: 44*124=5456, Resulting Numbers: [5456] 5456,54 unequal: No Solution Exploring Operation: 124-44=80, Resulting Numbers: [80] 80,54 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 54:[86, 81, 22], Operations: ['44/2=22'] Exploring Operation: 86+22=108, Resulting Numbers: [81, 108] Generated Node #0,3,0: 54:[81, 108] Operation: 86+22=108 Exploring Operation: 86-81=5, Resulting Numbers: [22, 5] Generated Node #0,3,1: 54:[22, 5] Operation: 86-81=5 Exploring Operation: 86-22=64, Resulting Numbers: [81, 64] Generated Node #0,3,2: 54:[81, 64] Operation: 86-22=64 Exploring Operation: 81-22=59, Resulting Numbers: [86, 59] Generated Node #0,3,3: 54:[86, 59] Operation: 81-22=59 Exploring Operation: 81+22=103, Resulting Numbers: [86, 103] Generated Node #0,3,4: 54:[86, 103] Operation: 81+22=103 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 54:[22, 5], Operations: ['44/2=22', '86-81=5'] Exploring Operation: 22*5=110, Resulting Numbers: [110] 110,54 unequal: No Solution Exploring Operation: 22-5=17, Resulting Numbers: [17] 17,54 unequal: No Solution Exploring Operation: 22+5=27, Resulting Numbers: [27] 27,54 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 54:[81, 64], Operations: ['44/2=22', '86-22=64'] Exploring Operation: 81*64=5184, Resulting Numbers: [5184] 5184,54 unequal: No Solution Exploring Operation: 81+64=145, Resulting Numbers: [145] 145,54 unequal: No Solution Exploring Operation: 81-64=17, Resulting Numbers: [17] 17,54 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 54:[86, 59], Operations: ['44/2=22', '81-22=59'] Exploring Operation: 86*59=5074, Resulting Numbers: [5074] 5074,54 unequal: No Solution Exploring Operation: 86-59=27, Resulting Numbers: [27] 27,54 unequal: No Solution Exploring Operation: 86+59=145, Resulting Numbers: [145] 145,54 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 54:[81, 108], Operations: ['44/2=22', '86+22=108'] Exploring Operation: 108-81=27, Resulting Numbers: [27] 27,54 unequal: No Solution Exploring Operation: 81*108=8748, Resulting Numbers: [8748] 8748,54 unequal: No Solution Exploring Operation: 81+108=189, Resulting Numbers: [189] 189,54 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 54:[86, 103], Operations: ['44/2=22', '81+22=103'] Exploring Operation: 86*103=8858, Resulting Numbers: [8858] 8858,54 unequal: No Solution Exploring Operation: 103-86=17, Resulting Numbers: [17] 17,54 unequal: No Solution Exploring Operation: 86+103=189, Resulting Numbers: [189] 189,54 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
mult_heuristic
[ 21, 33, 6, 23 ]
78
[ "23-21=2", "33+6=39", "2*39=78" ]
Current State: 78:[21, 33, 6, 23], Operations: [] Exploring Operation: 23-21=2, Resulting Numbers: [33, 6, 2] Generated Node #2: [33, 6, 2] from Operation: 23-21=2 Current State: 78:[33, 6, 2], Operations: ['23-21=2'] Exploring Operation: 33+6=39, Resulting Numbers: [2, 39] Generated Node #3: [2, 39] from Operation: 33+6=39 Current State: 78:[2, 39], Operations: ['23-21=2', '33+6=39'] Exploring Operation: 2*39=78, Resulting Numbers: [78] 78,78 equal: Goal Reached
4
Current State: 78:[21, 33, 6, 23], Operations: [] Exploring Operation: 33-21=12, Resulting Numbers: [6, 23, 12] Generated Node #0,0: 78:[6, 23, 12] Operation: 33-21=12 Start Sub Search at level 1: Moving to Node #0,0 Current State: 78:[6, 23, 12], Operations: ['33-21=12'] Exploring Operation: 23-12=11, Resulting Numbers: [6, 11] Generated Node #0,0,0: 78:[6, 11] Operation: 23-12=11 Moving to Node #0,0,0 Current State: 78:[6, 11], Operations: ['33-21=12', '23-12=11'] Exploring Operation: 11-6=5, Resulting Numbers: [5] 5,78 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
[ 7, 7, 3, 77 ]
84
[ "7*7=49", "77-49=28", "3*28=84" ]
Current State: 84:[7, 7, 3, 77], Operations: [] Exploring Operation: 7*7=49, Resulting Numbers: [3, 77, 49] Generated Node #2: [3, 77, 49] from Operation: 7*7=49 Current State: 84:[3, 77, 49], Operations: ['7*7=49'] Exploring Operation: 77-49=28, Resulting Numbers: [3, 28] Generated Node #3: [3, 28] from Operation: 77-49=28 Current State: 84:[3, 28], Operations: ['7*7=49', '77-49=28'] Exploring Operation: 3*28=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
4
Current State: 84:[7, 7, 3, 77], Operations: [] Exploring Operation: 7+77=84, Resulting Numbers: [7, 3, 84] Generated Node #0,0: 84:[7, 3, 84] Operation: 7+77=84 Moving to Node #0,0 Current State: 84:[7, 3, 84], Operations: ['7+77=84'] Exploring Operation: 7*3=21, Resulting Numbers: [84, 21] Generated Node #0,0,0: 84:[84, 21] Operation: 7*3=21 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 84:[84, 21], Operations: ['7+77=84', '7*3=21'] Exploring Operation: 84/21=4, Resulting Numbers: [4] 4,84 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
[ 1, 33, 60, 77 ]
15
[ "33-1=32", "77-60=17", "32-17=15" ]
Current State: 15:[1, 33, 60, 77], Operations: [] Exploring Operation: 33-1=32, Resulting Numbers: [60, 77, 32] Generated Node #2: [60, 77, 32] from Operation: 33-1=32 Current State: 15:[60, 77, 32], Operations: ['33-1=32'] Exploring Operation: 77-60=17, Resulting Numbers: [32, 17] Generated Node #3: [32, 17] from Operation: 77-60=17 Current State: 15:[32, 17], Operations: ['33-1=32', '77-60=17'] Exploring Operation: 32-17=15, Resulting Numbers: [15] 15,15 equal: Goal Reached
4
Current State: 15:[1, 33, 60, 77], Operations: [] Exploring Operation: 77-33=44, Resulting Numbers: [1, 60, 44] Generated Node #0,0: 15:[1, 60, 44] Operation: 77-33=44 Exploring Operation: 60-33=27, Resulting Numbers: [1, 77, 27] Generated Node #0,1: 15:[1, 77, 27] Operation: 60-33=27 Exploring Operation: 77-60=17, Resulting Numbers: [1, 33, 17] Generated Node #0,2: 15:[1, 33, 17] Operation: 77-60=17 Moving to Node #0,2 Current State: 15:[1, 33, 17], Operations: ['77-60=17'] Exploring Operation: 33-1=32, Resulting Numbers: [17, 32] Generated Node #0,2,0: 15:[17, 32] Operation: 33-1=32 Exploring Operation: 33-17=16, Resulting Numbers: [1, 16] Generated Node #0,2,1: 15:[1, 16] Operation: 33-17=16 Exploring Operation: 17-1=16, Resulting Numbers: [33, 16] Generated Node #0,2,2: 15:[33, 16] Operation: 17-1=16 Moving to Node #0,0 Current State: 15:[1, 60, 44], Operations: ['77-33=44'] Exploring Operation: 60-1=59, Resulting Numbers: [44, 59] Generated Node #0,0,0: 15:[44, 59] Operation: 60-1=59 Exploring Operation: 60-44=16, Resulting Numbers: [1, 16] Generated Node #0,0,1: 15:[1, 16] Operation: 60-44=16 Exploring Operation: 44-1=43, Resulting Numbers: [60, 43] Generated Node #0,0,2: 15:[60, 43] Operation: 44-1=43 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 15:[1, 16], Operations: ['77-33=44', '60-44=16'] Exploring Operation: 16-1=15, Resulting Numbers: [15] 15,15 equal: Goal Reached Moving to Node #0 Current State: 15:[1, 33, 60, 77], Operations: [] Exploring Operation: 77-33=44, Resulting Numbers: [1, 60, 44] Generated Node #0,0: 15:[1, 60, 44] Operation: 77-33=44 Moving to Node #0,0 Current State: 15:[1, 60, 44], Operations: ['77-33=44'] Exploring Operation: 60-44=16, Resulting Numbers: [1, 16] Generated Node #0,0,1: 15:[1, 16] Operation: 60-44=16 Moving to Node #0,0,1 Current State: 15:[1, 16], Operations: ['77-33=44', '60-44=16'] Exploring Operation: 16-1=15, Resulting Numbers: [15] 15,15 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_3
mult_heuristic
[ 73, 27, 83, 73 ]
56
[ "73+27=100", "83+73=156", "156-100=56" ]
Current State: 56:[73, 27, 83, 73], Operations: [] Exploring Operation: 73+27=100, Resulting Numbers: [83, 100] Generated Node #2: [83, 100] from Operation: 73+27=100 Current State: 56:[83, 100], Operations: ['73+27=100'] Exploring Operation: 83+73=156, Resulting Numbers: [100, 156] Generated Node #3: [100, 156] from Operation: 83+73=156 Current State: 56:[100, 156], Operations: ['73+27=100', '83+73=156'] Exploring Operation: 156-100=56, Resulting Numbers: [56] 56,56 equal: Goal Reached
4
Current State: 56:[73, 27, 83, 73], Operations: [] Exploring Operation: 83-73=10, Resulting Numbers: [27, 73, 10] Generated Node #0,0: 56:[27, 73, 10] Operation: 83-73=10 Exploring Operation: 83-73=10, Resulting Numbers: [73, 27, 10] Generated Node #0,1: 56:[73, 27, 10] Operation: 83-73=10 Exploring Operation: 73/73=1, Resulting Numbers: [27, 83, 1] Generated Node #0,2: 56:[27, 83, 1] Operation: 73/73=1 Moving to Node #0,0 Current State: 56:[27, 73, 10], Operations: ['83-73=10'] Exploring Operation: 27-10=17, Resulting Numbers: [73, 17] Generated Node #0,0,0: 56:[73, 17] Operation: 27-10=17 Exploring Operation: 73-10=63, Resulting Numbers: [27, 63] Generated Node #0,0,1: 56:[27, 63] Operation: 73-10=63 Exploring Operation: 73-27=46, Resulting Numbers: [10, 46] Generated Node #0,0,2: 56:[10, 46] Operation: 73-27=46 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 56:[27, 63], Operations: ['83-73=10', '73-10=63'] Exploring Operation: 63-27=36, Resulting Numbers: [36] 36,56 unequal: No Solution Exploring Operation: 27*63=1701, Resulting Numbers: [1701] 1701,56 unequal: No Solution Exploring Operation: 27+63=90, Resulting Numbers: [90] 90,56 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:[10, 46], Operations: ['83-73=10', '73-27=46'] Exploring Operation: 46-10=36, Resulting Numbers: [36] 36,56 unequal: No Solution Exploring Operation: 10*46=460, Resulting Numbers: [460] 460,56 unequal: No Solution Exploring Operation: 10+46=56, Resulting Numbers: [56] 56,56 equal: Goal Reached Moving to Node #0 Current State: 56:[73, 27, 83, 73], Operations: [] Exploring Operation: 83-73=10, Resulting Numbers: [27, 73, 10] Generated Node #0,0: 56:[27, 73, 10] Operation: 83-73=10 Moving to Node #0,0 Current State: 56:[27, 73, 10], Operations: ['83-73=10'] Exploring Operation: 73-27=46, Resulting Numbers: [10, 46] Generated Node #0,0,2: 56:[10, 46] Operation: 73-27=46 Moving to Node #0,0,2 Current State: 56:[10, 46], Operations: ['83-73=10', '73-27=46'] Exploring Operation: 10+46=56, Resulting Numbers: [56] 56,56 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_3
sum_heuristic
[ 36, 35, 16, 28 ]
83
[ "36+35=71", "28-16=12", "71+12=83" ]
Current State: 83:[36, 35, 16, 28], Operations: [] Exploring Operation: 36+35=71, Resulting Numbers: [16, 28, 71] Generated Node #2: [16, 28, 71] from Operation: 36+35=71 Current State: 83:[16, 28, 71], Operations: ['36+35=71'] Exploring Operation: 28-16=12, Resulting Numbers: [71, 12] Generated Node #3: [71, 12] from Operation: 28-16=12 Current State: 83:[71, 12], Operations: ['36+35=71', '28-16=12'] Exploring Operation: 71+12=83, Resulting Numbers: [83] 83,83 equal: Goal Reached
4
Current State: 83:[36, 35, 16, 28], Operations: [] Exploring Operation: 36+16=52, Resulting Numbers: [35, 28, 52] Generated Node #0,0: 83:[35, 28, 52] Operation: 36+16=52 Exploring Operation: 36+28=64, Resulting Numbers: [35, 16, 64] Generated Node #0,1: 83:[35, 16, 64] Operation: 36+28=64 Exploring Operation: 36+35=71, Resulting Numbers: [16, 28, 71] Generated Node #0,2: 83:[16, 28, 71] Operation: 36+35=71 Start Sub Search at level 1: Moving to Node #0,0 Current State: 83:[35, 28, 52], Operations: ['36+16=52'] Exploring Operation: 35+28=63, Resulting Numbers: [52, 63] Generated Node #0,0,0: 83:[52, 63] Operation: 35+28=63 Exploring Operation: 35+52=87, Resulting Numbers: [28, 87] Generated Node #0,0,1: 83:[28, 87] Operation: 35+52=87 Exploring Operation: 28+52=80, Resulting Numbers: [35, 80] Generated Node #0,0,2: 83:[35, 80] Operation: 28+52=80 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 83:[52, 63], Operations: ['36+16=52', '35+28=63'] Exploring Operation: 52*63=3276, Resulting Numbers: [3276] 3276,83 unequal: No Solution Exploring Operation: 52+63=115, Resulting Numbers: [115] 115,83 unequal: No Solution Exploring Operation: 63-52=11, Resulting Numbers: [11] 11,83 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 83:[35, 80], Operations: ['36+16=52', '28+52=80'] Exploring Operation: 80-35=45, Resulting Numbers: [45] 45,83 unequal: No Solution Exploring Operation: 35*80=2800, Resulting Numbers: [2800] 2800,83 unequal: No Solution Exploring Operation: 35+80=115, Resulting Numbers: [115] 115,83 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 83:[28, 87], Operations: ['36+16=52', '35+52=87'] Exploring Operation: 28*87=2436, Resulting Numbers: [2436] 2436,83 unequal: No Solution Exploring Operation: 87-28=59, Resulting Numbers: [59] 59,83 unequal: No Solution Exploring Operation: 28+87=115, Resulting Numbers: [115] 115,83 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 83:[35, 16, 64], Operations: ['36+28=64'] Exploring Operation: 16+64=80, Resulting Numbers: [35, 80] Generated Node #0,1,0: 83:[35, 80] Operation: 16+64=80 Exploring Operation: 35-16=19, Resulting Numbers: [64, 19] Generated Node #0,1,1: 83:[64, 19] Operation: 35-16=19 Exploring Operation: 35+16=51, Resulting Numbers: [64, 51] Generated Node #0,1,2: 83:[64, 51] Operation: 35+16=51 Moving to Node #0,1,0 Current State: 83:[35, 80], Operations: ['36+28=64', '16+64=80'] Exploring Operation: 35+80=115, Resulting Numbers: [115] 115,83 unequal: No Solution Exploring Operation: 80-35=45, Resulting Numbers: [45] 45,83 unequal: No Solution Exploring Operation: 35*80=2800, Resulting Numbers: [2800] 2800,83 unequal: No Solution Moving to Node #0,1,2 Current State: 83:[64, 51], Operations: ['36+28=64', '35+16=51'] Exploring Operation: 64-51=13, Resulting Numbers: [13] 13,83 unequal: No Solution Exploring Operation: 64*51=3264, Resulting Numbers: [3264] 3264,83 unequal: No Solution Exploring Operation: 64+51=115, Resulting Numbers: [115] 115,83 unequal: No Solution Moving to Node #0,1,1 Current State: 83:[64, 19], Operations: ['36+28=64', '35-16=19'] Exploring Operation: 64+19=83, Resulting Numbers: [83] 83,83 equal: Goal Reached Moving to Node #0 Current State: 83:[36, 35, 16, 28], Operations: [] Exploring Operation: 36+28=64, Resulting Numbers: [35, 16, 64] Generated Node #0,1: 83:[35, 16, 64] Operation: 36+28=64 Moving to Node #0,1 Current State: 83:[35, 16, 64], Operations: ['36+28=64'] Exploring Operation: 35-16=19, Resulting Numbers: [64, 19] Generated Node #0,1,1: 83:[64, 19] Operation: 35-16=19 Moving to Node #0,1,1 Current State: 83:[64, 19], Operations: ['36+28=64', '35-16=19'] Exploring Operation: 64+19=83, Resulting Numbers: [83] 83,83 equal: Goal Reached Exit Sub Search at level 1
0.974826
hs_3
sum_heuristic
[ 70, 39, 31, 5 ]
28
[ "70+39=109", "31+109=140", "140/5=28" ]
Current State: 28:[70, 39, 31, 5], Operations: [] Exploring Operation: 70+39=109, Resulting Numbers: [31, 5, 109] Generated Node #2: [31, 5, 109] from Operation: 70+39=109 Current State: 28:[31, 5, 109], Operations: ['70+39=109'] Exploring Operation: 31+109=140, Resulting Numbers: [5, 140] Generated Node #3: [5, 140] from Operation: 31+109=140 Current State: 28:[5, 140], Operations: ['70+39=109', '31+109=140'] Exploring Operation: 140/5=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
4
Current State: 28:[70, 39, 31, 5], Operations: [] Exploring Operation: 39-31=8, Resulting Numbers: [70, 5, 8] Generated Node #0,0: 28:[70, 5, 8] Operation: 39-31=8 Exploring Operation: 70/5=14, Resulting Numbers: [39, 31, 14] Generated Node #0,1: 28:[39, 31, 14] Operation: 70/5=14 Exploring Operation: 70-39=31, Resulting Numbers: [31, 5, 31] Generated Node #0,2: 28:[31, 5, 31] Operation: 70-39=31 Exploring Operation: 70-31=39, Resulting Numbers: [39, 5, 39] Generated Node #0,3: 28:[39, 5, 39] Operation: 70-31=39 Moving to Node #0,2 Current State: 28:[31, 5, 31], Operations: ['70-39=31'] Exploring Operation: 31-5=26, Resulting Numbers: [31, 26] Generated Node #0,2,0: 28:[31, 26] Operation: 31-5=26 Exploring Operation: 31/31=1, Resulting Numbers: [5, 1] Generated Node #0,2,1: 28:[5, 1] Operation: 31/31=1 Exploring Operation: 31-5=26, Resulting Numbers: [31, 26] Generated Node #0,2,2: 28:[31, 26] Operation: 31-5=26 Exploring Operation: 31-31=0, Resulting Numbers: [5, 0] Generated Node #0,2,3: 28:[5, 0] Operation: 31-31=0 Moving to Node #0,1 Current State: 28:[39, 31, 14], Operations: ['70/5=14'] Exploring Operation: 39+14=53, Resulting Numbers: [31, 53] Generated Node #0,1,0: 28:[31, 53] Operation: 39+14=53 Exploring Operation: 39-14=25, Resulting Numbers: [31, 25] Generated Node #0,1,1: 28:[31, 25] Operation: 39-14=25 Exploring Operation: 31-14=17, Resulting Numbers: [39, 17] Generated Node #0,1,2: 28:[39, 17] Operation: 31-14=17 Exploring Operation: 39-31=8, Resulting Numbers: [14, 8] Generated Node #0,1,3: 28:[14, 8] Operation: 39-31=8 Moving to Node #0,3 Current State: 28:[39, 5, 39], Operations: ['70-31=39'] Exploring Operation: 39/39=1, Resulting Numbers: [5, 1] Generated Node #0,3,0: 28:[5, 1] Operation: 39/39=1 Exploring Operation: 39-39=0, Resulting Numbers: [5, 0] Generated Node #0,3,1: 28:[5, 0] Operation: 39-39=0 Exploring Operation: 39-5=34, Resulting Numbers: [39, 34] Generated Node #0,3,2: 28:[39, 34] Operation: 39-5=34 Exploring Operation: 39-5=34, Resulting Numbers: [39, 34] Generated Node #0,3,3: 28:[39, 34] Operation: 39-5=34 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 28:[5, 1], Operations: ['70-31=39', '39/39=1'] Exploring Operation: 5+1=6, Resulting Numbers: [6] 6,28 unequal: No Solution Exploring Operation: 5/1=5, Resulting Numbers: [5] 5,28 unequal: No Solution Exploring Operation: 5-1=4, Resulting Numbers: [4] 4,28 unequal: No Solution Exploring Operation: 5*1=5, Resulting Numbers: [5] 5,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 28:[5, 0], Operations: ['70-31=39', '39-39=0'] Exploring Operation: 5+0=5, Resulting Numbers: [5] 5,28 unequal: No Solution Exploring Operation: 5-0=5, Resulting Numbers: [5] 5,28 unequal: No Solution Exploring Operation: 5*0=0, Resulting Numbers: [0] 0,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 28:[39, 34], Operations: ['70-31=39', '39-5=34'] Exploring Operation: 39+34=73, Resulting Numbers: [73] 73,28 unequal: No Solution Exploring Operation: 39*34=1326, Resulting Numbers: [1326] 1326,28 unequal: No Solution Exploring Operation: 39-34=5, Resulting Numbers: [5] 5,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 28:[39, 34], Operations: ['70-31=39', '39-5=34'] Exploring Operation: 39+34=73, Resulting Numbers: [73] 73,28 unequal: No Solution Exploring Operation: 39*34=1326, Resulting Numbers: [1326] 1326,28 unequal: No Solution Exploring Operation: 39-34=5, Resulting Numbers: [5] 5,28 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: 28:[70, 5, 8], Operations: ['39-31=8'] Exploring Operation: 70-5=65, Resulting Numbers: [8, 65] Generated Node #0,0,0: 28:[8, 65] Operation: 70-5=65 Exploring Operation: 5+8=13, Resulting Numbers: [70, 13] Generated Node #0,0,1: 28:[70, 13] Operation: 5+8=13 Exploring Operation: 70-8=62, Resulting Numbers: [5, 62] Generated Node #0,0,2: 28:[5, 62] Operation: 70-8=62 Exploring Operation: 70/5=14, Resulting Numbers: [8, 14] Generated Node #0,0,3: 28:[8, 14] Operation: 70/5=14 Moving to Node #0,1,3 Current State: 28:[14, 8], Operations: ['70/5=14', '39-31=8'] Exploring Operation: 14-8=6, Resulting Numbers: [6] 6,28 unequal: No Solution Exploring Operation: 14*8=112, Resulting Numbers: [112] 112,28 unequal: No Solution Exploring Operation: 14+8=22, Resulting Numbers: [22] 22,28 unequal: No Solution Moving to Node #0,0,3 Current State: 28:[8, 14], Operations: ['39-31=8', '70/5=14'] Exploring Operation: 14-8=6, Resulting Numbers: [6] 6,28 unequal: No Solution Exploring Operation: 8+14=22, Resulting Numbers: [22] 22,28 unequal: No Solution Exploring Operation: 8*14=112, Resulting Numbers: [112] 112,28 unequal: No Solution Moving to Node #0,2,1 Current State: 28:[5, 1], Operations: ['70-39=31', '31/31=1'] Exploring Operation: 5/1=5, Resulting Numbers: [5] 5,28 unequal: No Solution Exploring Operation: 5-1=4, Resulting Numbers: [4] 4,28 unequal: No Solution Exploring Operation: 5*1=5, Resulting Numbers: [5] 5,28 unequal: No Solution Exploring Operation: 5+1=6, Resulting Numbers: [6] 6,28 unequal: No Solution Moving to Node #0,2,3 Current State: 28:[5, 0], Operations: ['70-39=31', '31-31=0'] Exploring Operation: 5-0=5, Resulting Numbers: [5] 5,28 unequal: No Solution Exploring Operation: 5+0=5, Resulting Numbers: [5] 5,28 unequal: No Solution Exploring Operation: 5*0=0, Resulting Numbers: [0] 0,28 unequal: No Solution Moving to Node #0,2,0 Current State: 28:[31, 26], Operations: ['70-39=31', '31-5=26'] Exploring Operation: 31*26=806, Resulting Numbers: [806] 806,28 unequal: No Solution Exploring Operation: 31+26=57, Resulting Numbers: [57] 57,28 unequal: No Solution Exploring Operation: 31-26=5, Resulting Numbers: [5] 5,28 unequal: No Solution Moving to Node #0,2,2 Current State: 28:[31, 26], Operations: ['70-39=31', '31-5=26'] Exploring Operation: 31-26=5, Resulting Numbers: [5] 5,28 unequal: No Solution Exploring Operation: 31+26=57, Resulting Numbers: [57] 57,28 unequal: No Solution Exploring Operation: 31*26=806, Resulting Numbers: [806] 806,28 unequal: No Solution Moving to Node #0,1,1 Current State: 28:[31, 25], Operations: ['70/5=14', '39-14=25'] Exploring Operation: 31+25=56, Resulting Numbers: [56] 56,28 unequal: No Solution Exploring Operation: 31*25=775, Resulting Numbers: [775] 775,28 unequal: No Solution Exploring Operation: 31-25=6, Resulting Numbers: [6] 6,28 unequal: No Solution Moving to Node #0,1,2 Current State: 28:[39, 17], Operations: ['70/5=14', '31-14=17'] Exploring Operation: 39-17=22, Resulting Numbers: [22] 22,28 unequal: No Solution Exploring Operation: 39+17=56, Resulting Numbers: [56] 56,28 unequal: No Solution Exploring Operation: 39*17=663, Resulting Numbers: [663] 663,28 unequal: No Solution Moving to Node #0,1,0 Current State: 28:[31, 53], Operations: ['70/5=14', '39+14=53'] Exploring Operation: 53-31=22, Resulting Numbers: [22] 22,28 unequal: No Solution Exploring Operation: 31*53=1643, Resulting Numbers: [1643] 1643,28 unequal: No Solution Exploring Operation: 31+53=84, Resulting Numbers: [84] 84,28 unequal: No Solution Moving to Node #0,0,2 Current State: 28:[5, 62], Operations: ['39-31=8', '70-8=62'] Exploring Operation: 62-5=57, Resulting Numbers: [57] 57,28 unequal: No Solution Exploring Operation: 5+62=67, Resulting Numbers: [67] 67,28 unequal: No Solution Exploring Operation: 5*62=310, Resulting Numbers: [310] 310,28 unequal: No Solution Moving to Node #0,0,0 Current State: 28:[8, 65], Operations: ['39-31=8', '70-5=65'] Exploring Operation: 65-8=57, Resulting Numbers: [57] 57,28 unequal: No Solution Exploring Operation: 8+65=73, Resulting Numbers: [73] 73,28 unequal: No Solution Exploring Operation: 8*65=520, Resulting Numbers: [520] 520,28 unequal: No Solution Moving to Node #0,0,1 Current State: 28:[70, 13], Operations: ['39-31=8', '5+8=13'] Exploring Operation: 70+13=83, Resulting Numbers: [83] 83,28 unequal: No Solution Exploring Operation: 70*13=910, Resulting Numbers: [910] 910,28 unequal: No Solution Exploring Operation: 70-13=57, Resulting Numbers: [57] 57,28 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 97, 28, 37, 7 ]
39
[ "97-28=69", "37-7=30", "69-30=39" ]
Current State: 39:[97, 28, 37, 7], Operations: [] Exploring Operation: 97-28=69, Resulting Numbers: [37, 7, 69] Generated Node #2: [37, 7, 69] from Operation: 97-28=69 Current State: 39:[37, 7, 69], Operations: ['97-28=69'] Exploring Operation: 37-7=30, Resulting Numbers: [69, 30] Generated Node #3: [69, 30] from Operation: 37-7=30 Current State: 39:[69, 30], Operations: ['97-28=69', '37-7=30'] Exploring Operation: 69-30=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
4
Current State: 39:[97, 28, 37, 7], Operations: [] Exploring Operation: 97-28=69, Resulting Numbers: [37, 7, 69] Generated Node #0,0: 39:[37, 7, 69] Operation: 97-28=69 Exploring Operation: 97-37=60, Resulting Numbers: [28, 7, 60] Generated Node #0,1: 39:[28, 7, 60] Operation: 97-37=60 Moving to Node #0,0 Current State: 39:[37, 7, 69], Operations: ['97-28=69'] Exploring Operation: 69-37=32, Resulting Numbers: [7, 32] Generated Node #0,0,0: 39:[7, 32] Operation: 69-37=32 Exploring Operation: 69-7=62, Resulting Numbers: [37, 62] Generated Node #0,0,1: 39:[37, 62] Operation: 69-7=62 Moving to Node #0,1 Current State: 39:[28, 7, 60], Operations: ['97-37=60'] Exploring Operation: 28/7=4, Resulting Numbers: [60, 4] Generated Node #0,1,0: 39:[60, 4] Operation: 28/7=4 Exploring Operation: 60-28=32, Resulting Numbers: [7, 32] Generated Node #0,1,1: 39:[7, 32] Operation: 60-28=32 Moving to Node #0,0,0 Current State: 39:[7, 32], Operations: ['97-28=69', '69-37=32'] Exploring Operation: 7+32=39, Resulting Numbers: [39] 39,39 equal: Goal Reached Moving to Node #0 Current State: 39:[97, 28, 37, 7], Operations: [] Exploring Operation: 97-28=69, Resulting Numbers: [37, 7, 69] Generated Node #0,0: 39:[37, 7, 69] Operation: 97-28=69 Moving to Node #0,0 Current State: 39:[37, 7, 69], Operations: ['97-28=69'] Exploring Operation: 69-37=32, Resulting Numbers: [7, 32] Generated Node #0,0,0: 39:[7, 32] Operation: 69-37=32 Moving to Node #0,0,0 Current State: 39:[7, 32], Operations: ['97-28=69', '69-37=32'] Exploring Operation: 7+32=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
0.990451
hs_2
mult_heuristic
[ 24, 17, 40, 13 ]
46
[ "24-17=7", "40+13=53", "53-7=46" ]
Current State: 46:[24, 17, 40, 13], Operations: [] Exploring Operation: 24-17=7, Resulting Numbers: [40, 13, 7] Generated Node #2: [40, 13, 7] from Operation: 24-17=7 Current State: 46:[40, 13, 7], Operations: ['24-17=7'] Exploring Operation: 40+13=53, Resulting Numbers: [7, 53] Generated Node #3: [7, 53] from Operation: 40+13=53 Current State: 46:[7, 53], Operations: ['24-17=7', '40+13=53'] Exploring Operation: 53-7=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
4
Current State: 46:[24, 17, 40, 13], Operations: [] Exploring Operation: 40-13=27, Resulting Numbers: [24, 17, 27] Generated Node #0,0: 46:[24, 17, 27] Operation: 40-13=27 Exploring Operation: 40-17=23, Resulting Numbers: [24, 13, 23] Generated Node #0,1: 46:[24, 13, 23] Operation: 40-17=23 Exploring Operation: 17-13=4, Resulting Numbers: [24, 40, 4] Generated Node #0,2: 46:[24, 40, 4] Operation: 17-13=4 Moving to Node #0,2 Current State: 46:[24, 40, 4], Operations: ['17-13=4'] Exploring Operation: 24-4=20, Resulting Numbers: [40, 20] Generated Node #0,2,0: 46:[40, 20] Operation: 24-4=20 Exploring Operation: 40-24=16, Resulting Numbers: [4, 16] Generated Node #0,2,1: 46:[4, 16] Operation: 40-24=16 Exploring Operation: 40+4=44, Resulting Numbers: [24, 44] Generated Node #0,2,2: 46:[24, 44] Operation: 40+4=44 Moving to Node #0,0 Current State: 46:[24, 17, 27], Operations: ['40-13=27'] Exploring Operation: 24+17=41, Resulting Numbers: [27, 41] Generated Node #0,0,0: 46:[27, 41] Operation: 24+17=41 Exploring Operation: 17+27=44, Resulting Numbers: [24, 44] Generated Node #0,0,1: 46:[24, 44] Operation: 17+27=44 Exploring Operation: 27-24=3, Resulting Numbers: [17, 3] Generated Node #0,0,2: 46:[17, 3] Operation: 27-24=3 Moving to Node #0,1 Current State: 46:[24, 13, 23], Operations: ['40-17=23'] Exploring Operation: 24+13=37, Resulting Numbers: [23, 37] Generated Node #0,1,0: 46:[23, 37] Operation: 24+13=37 Exploring Operation: 23-13=10, Resulting Numbers: [24, 10] Generated Node #0,1,1: 46:[24, 10] Operation: 23-13=10 Exploring Operation: 24-13=11, Resulting Numbers: [23, 11] Generated Node #0,1,2: 46:[23, 11] Operation: 24-13=11 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 46:[23, 37], Operations: ['40-17=23', '24+13=37'] Exploring Operation: 23+37=60, Resulting Numbers: [60] 60,46 unequal: No Solution Exploring Operation: 37-23=14, Resulting Numbers: [14] 14,46 unequal: No Solution Exploring Operation: 23*37=851, Resulting Numbers: [851] 851,46 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:[24, 10], Operations: ['40-17=23', '23-13=10'] Exploring Operation: 24-10=14, Resulting Numbers: [14] 14,46 unequal: No Solution Exploring Operation: 24+10=34, Resulting Numbers: [34] 34,46 unequal: No Solution Exploring Operation: 24*10=240, Resulting Numbers: [240] 240,46 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 46:[23, 11], Operations: ['40-17=23', '24-13=11'] Exploring Operation: 23+11=34, Resulting Numbers: [34] 34,46 unequal: No Solution Exploring Operation: 23-11=12, Resulting Numbers: [12] 12,46 unequal: No Solution Exploring Operation: 23*11=253, Resulting Numbers: [253] 253,46 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: 46:[24, 44], Operations: ['17-13=4', '40+4=44'] Exploring Operation: 24+44=68, Resulting Numbers: [68] 68,46 unequal: No Solution Exploring Operation: 44-24=20, Resulting Numbers: [20] 20,46 unequal: No Solution Exploring Operation: 24*44=1056, Resulting Numbers: [1056] 1056,46 unequal: No Solution Moving to Node #0,0,1 Current State: 46:[24, 44], Operations: ['40-13=27', '17+27=44'] Exploring Operation: 24+44=68, Resulting Numbers: [68] 68,46 unequal: No Solution Exploring Operation: 24*44=1056, Resulting Numbers: [1056] 1056,46 unequal: No Solution Exploring Operation: 44-24=20, Resulting Numbers: [20] 20,46 unequal: No Solution Moving to Node #0,0,2 Current State: 46:[17, 3], Operations: ['40-13=27', '27-24=3'] Exploring Operation: 17-3=14, Resulting Numbers: [14] 14,46 unequal: No Solution Exploring Operation: 17+3=20, Resulting Numbers: [20] 20,46 unequal: No Solution Exploring Operation: 17*3=51, Resulting Numbers: [51] 51,46 unequal: No Solution Moving to Node #0,2,1 Current State: 46:[4, 16], Operations: ['17-13=4', '40-24=16'] Exploring Operation: 16-4=12, Resulting Numbers: [12] 12,46 unequal: No Solution Exploring Operation: 4+16=20, Resulting Numbers: [20] 20,46 unequal: No Solution Exploring Operation: 16/4=4, Resulting Numbers: [4] 4,46 unequal: No Solution Moving to Node #0,2,0 Current State: 46:[40, 20], Operations: ['17-13=4', '24-4=20'] Exploring Operation: 40-20=20, Resulting Numbers: [20] 20,46 unequal: No Solution Exploring Operation: 40/20=2, Resulting Numbers: [2] 2,46 unequal: No Solution Exploring Operation: 40+20=60, Resulting Numbers: [60] 60,46 unequal: No Solution Moving to Node #0,0,0 Current State: 46:[27, 41], Operations: ['40-13=27', '24+17=41'] Exploring Operation: 27*41=1107, Resulting Numbers: [1107] 1107,46 unequal: No Solution Exploring Operation: 27+41=68, Resulting Numbers: [68] 68,46 unequal: No Solution Exploring Operation: 41-27=14, Resulting Numbers: [14] 14,46 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 4, 25, 26, 27 ]
30
[ "4+25=29", "27-26=1", "29+1=30" ]
Current State: 30:[4, 25, 26, 27], Operations: [] Exploring Operation: 4+25=29, Resulting Numbers: [26, 27, 29] Generated Node #2: [26, 27, 29] from Operation: 4+25=29 Current State: 30:[26, 27, 29], Operations: ['4+25=29'] Exploring Operation: 27-26=1, Resulting Numbers: [29, 1] Generated Node #3: [29, 1] from Operation: 27-26=1 Current State: 30:[29, 1], Operations: ['4+25=29', '27-26=1'] Exploring Operation: 29+1=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
4
Current State: 30:[4, 25, 26, 27], Operations: [] Exploring Operation: 27-25=2, Resulting Numbers: [4, 26, 2] Generated Node #0,0: 30:[4, 26, 2] Operation: 27-25=2 Exploring Operation: 26-25=1, Resulting Numbers: [4, 27, 1] Generated Node #0,1: 30:[4, 27, 1] Operation: 26-25=1 Exploring Operation: 4+26=30, Resulting Numbers: [25, 27, 30] Generated Node #0,2: 30:[25, 27, 30] Operation: 4+26=30 Exploring Operation: 27-26=1, Resulting Numbers: [4, 25, 1] Generated Node #0,3: 30:[4, 25, 1] Operation: 27-26=1 Exploring Operation: 4+25=29, Resulting Numbers: [26, 27, 29] Generated Node #0,4: 30:[26, 27, 29] Operation: 4+25=29 Moving to Node #0,0 Current State: 30:[4, 26, 2], Operations: ['27-25=2'] Exploring Operation: 26+2=28, Resulting Numbers: [4, 28] Generated Node #0,0,0: 30:[4, 28] Operation: 26+2=28 Exploring Operation: 4-2=2, Resulting Numbers: [26, 2] Generated Node #0,0,1: 30:[26, 2] Operation: 4-2=2 Exploring Operation: 26/2=13, Resulting Numbers: [4, 13] Generated Node #0,0,2: 30:[4, 13] Operation: 26/2=13 Exploring Operation: 4+26=30, Resulting Numbers: [2, 30] Generated Node #0,0,3: 30:[2, 30] Operation: 4+26=30 Exploring Operation: 4+2=6, Resulting Numbers: [26, 6] Generated Node #0,0,4: 30:[26, 6] Operation: 4+2=6 Moving to Node #0,1 Current State: 30:[4, 27, 1], Operations: ['26-25=1'] Exploring Operation: 27+1=28, Resulting Numbers: [4, 28] Generated Node #0,1,0: 30:[4, 28] Operation: 27+1=28 Exploring Operation: 4-1=3, Resulting Numbers: [27, 3] Generated Node #0,1,1: 30:[27, 3] Operation: 4-1=3 Exploring Operation: 4+1=5, Resulting Numbers: [27, 5] Generated Node #0,1,2: 30:[27, 5] Operation: 4+1=5 Exploring Operation: 4+27=31, Resulting Numbers: [1, 31] Generated Node #0,1,3: 30:[1, 31] Operation: 4+27=31 Exploring Operation: 4*1=4, Resulting Numbers: [27, 4] Generated Node #0,1,4: 30:[27, 4] Operation: 4*1=4 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 30:[1, 31], Operations: ['26-25=1', '4+27=31'] Exploring Operation: 1*31=31, Resulting Numbers: [31] 31,30 unequal: No Solution Exploring Operation: 31-1=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Moving to Node #0 Current State: 30:[4, 25, 26, 27], Operations: [] Exploring Operation: 26-25=1, Resulting Numbers: [4, 27, 1] Generated Node #0,1: 30:[4, 27, 1] Operation: 26-25=1 Moving to Node #0,1 Current State: 30:[4, 27, 1], Operations: ['26-25=1'] Exploring Operation: 4+27=31, Resulting Numbers: [1, 31] Generated Node #0,1,3: 30:[1, 31] Operation: 4+27=31 Moving to Node #0,1,3 Current State: 30:[1, 31], Operations: ['26-25=1', '4+27=31'] Exploring Operation: 31-1=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Exit Sub Search at level 1
0.981771
hs_5
sum_heuristic
[ 4, 52, 75, 70 ]
97
[ "52-4=48", "75+70=145", "145-48=97" ]
Current State: 97:[4, 52, 75, 70], Operations: [] Exploring Operation: 52-4=48, Resulting Numbers: [75, 70, 48] Generated Node #2: [75, 70, 48] from Operation: 52-4=48 Current State: 97:[75, 70, 48], Operations: ['52-4=48'] Exploring Operation: 75+70=145, Resulting Numbers: [48, 145] Generated Node #3: [48, 145] from Operation: 75+70=145 Current State: 97:[48, 145], Operations: ['52-4=48', '75+70=145'] Exploring Operation: 145-48=97, Resulting Numbers: [97] 97,97 equal: Goal Reached
4
Current State: 97:[4, 52, 75, 70], Operations: [] Exploring Operation: 75-4=71, Resulting Numbers: [52, 70, 71] Generated Node #0,0: 97:[52, 70, 71] Operation: 75-4=71 Exploring Operation: 52-4=48, Resulting Numbers: [75, 70, 48] Generated Node #0,1: 97:[75, 70, 48] Operation: 52-4=48 Exploring Operation: 4+70=74, Resulting Numbers: [52, 75, 74] Generated Node #0,2: 97:[52, 75, 74] Operation: 4+70=74 Exploring Operation: 4+75=79, Resulting Numbers: [52, 70, 79] Generated Node #0,3: 97:[52, 70, 79] Operation: 4+75=79 Exploring Operation: 4+52=56, Resulting Numbers: [75, 70, 56] Generated Node #0,4: 97:[75, 70, 56] Operation: 4+52=56 Start Sub Search at level 1: Moving to Node #0,2 Current State: 97:[52, 75, 74], Operations: ['4+70=74'] Exploring Operation: 52+75=127, Resulting Numbers: [74, 127] Generated Node #0,2,0: 97:[74, 127] Operation: 52+75=127 Exploring Operation: 74-52=22, Resulting Numbers: [75, 22] Generated Node #0,2,1: 97:[75, 22] Operation: 74-52=22 Exploring Operation: 52+74=126, Resulting Numbers: [75, 126] Generated Node #0,2,2: 97:[75, 126] Operation: 52+74=126 Exploring Operation: 75+74=149, Resulting Numbers: [52, 149] Generated Node #0,2,3: 97:[52, 149] Operation: 75+74=149 Exploring Operation: 75-52=23, Resulting Numbers: [74, 23] Generated Node #0,2,4: 97:[74, 23] Operation: 75-52=23 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 97:[75, 126], Operations: ['4+70=74', '52+74=126'] Exploring Operation: 126-75=51, Resulting Numbers: [51] 51,97 unequal: No Solution Exploring Operation: 75+126=201, Resulting Numbers: [201] 201,97 unequal: No Solution Exploring Operation: 75*126=9450, Resulting Numbers: [9450] 9450,97 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 #0,2,0 Current State: 97:[74, 127], Operations: ['4+70=74', '52+75=127'] Exploring Operation: 74+127=201, Resulting Numbers: [201] 201,97 unequal: No Solution Exploring Operation: 127-74=53, Resulting Numbers: [53] 53,97 unequal: No Solution Exploring Operation: 74*127=9398, Resulting Numbers: [9398] 9398,97 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 #0,2,1 Current State: 97:[75, 22], Operations: ['4+70=74', '74-52=22'] Exploring Operation: 75-22=53, Resulting Numbers: [53] 53,97 unequal: No Solution Exploring Operation: 75*22=1650, Resulting Numbers: [1650] 1650,97 unequal: No Solution Exploring Operation: 75+22=97, Resulting Numbers: [97] 97,97 equal: Goal Reached Moving to Node #0 Current State: 97:[4, 52, 75, 70], Operations: [] Exploring Operation: 4+70=74, Resulting Numbers: [52, 75, 74] Generated Node #0,2: 97:[52, 75, 74] Operation: 4+70=74 Moving to Node #0,2 Current State: 97:[52, 75, 74], Operations: ['4+70=74'] Exploring Operation: 74-52=22, Resulting Numbers: [75, 22] Generated Node #0,2,1: 97:[75, 22] Operation: 74-52=22 Moving to Node #0,2,1 Current State: 97:[75, 22], Operations: ['4+70=74', '74-52=22'] Exploring Operation: 75+22=97, Resulting Numbers: [97] 97,97 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.980035
hs_5
sum_heuristic
[ 87, 56, 58, 46 ]
68
[ "56+46=102", "58*102=5916", "5916/87=68" ]
Current State: 68:[87, 56, 58, 46], Operations: [] Exploring Operation: 56+46=102, Resulting Numbers: [87, 58, 102] Generated Node #2: [87, 58, 102] from Operation: 56+46=102 Current State: 68:[87, 58, 102], Operations: ['56+46=102'] Exploring Operation: 58*102=5916, Resulting Numbers: [87, 5916] Generated Node #3: [87, 5916] from Operation: 58*102=5916 Current State: 68:[87, 5916], Operations: ['56+46=102', '58*102=5916'] Exploring Operation: 5916/87=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
4
Current State: 68:[87, 56, 58, 46], Operations: [] Exploring Operation: 87-58=29, Resulting Numbers: [56, 46, 29] Generated Node #0,0: 68:[56, 46, 29] Operation: 87-58=29 Exploring Operation: 87-56=31, Resulting Numbers: [58, 46, 31] Generated Node #0,1: 68:[58, 46, 31] Operation: 87-56=31 Start Sub Search at level 1: Moving to Node #0,1 Current State: 68:[58, 46, 31], Operations: ['87-56=31'] Exploring Operation: 46-31=15, Resulting Numbers: [58, 15] Generated Node #0,1,0: 68:[58, 15] Operation: 46-31=15 Exploring Operation: 58-46=12, Resulting Numbers: [31, 12] Generated Node #0,1,1: 68:[31, 12] Operation: 58-46=12 Moving to Node #0,1,1 Current State: 68:[31, 12], Operations: ['87-56=31', '58-46=12'] Exploring Operation: 31-12=19, Resulting Numbers: [19] 19,68 unequal: No Solution Exploring Operation: 31+12=43, Resulting Numbers: [43] 43,68 unequal: No Solution Moving to Node #0,1,0 Current State: 68:[58, 15], Operations: ['87-56=31', '46-31=15'] Exploring Operation: 58-15=43, Resulting Numbers: [43] 43,68 unequal: No Solution Exploring Operation: 58+15=73, Resulting Numbers: [73] 73,68 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:[56, 46, 29], Operations: ['87-58=29'] Exploring Operation: 56-46=10, Resulting Numbers: [29, 10] Generated Node #0,0,0: 68:[29, 10] Operation: 56-46=10 Exploring Operation: 46-29=17, Resulting Numbers: [56, 17] Generated Node #0,0,1: 68:[56, 17] Operation: 46-29=17 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 68:[29, 10], Operations: ['87-58=29', '56-46=10'] Exploring Operation: 29+10=39, Resulting Numbers: [39] 39,68 unequal: No Solution Exploring Operation: 29-10=19, Resulting Numbers: [19] 19,68 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 68:[56, 17], Operations: ['87-58=29', '46-29=17'] Exploring Operation: 56+17=73, Resulting Numbers: [73] 73,68 unequal: No Solution Exploring Operation: 56-17=39, Resulting Numbers: [39] 39,68 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 46, 12, 90, 59 ]
91
[ "46+12=58", "90+59=149", "149-58=91" ]
Current State: 91:[46, 12, 90, 59], Operations: [] Exploring Operation: 46+12=58, Resulting Numbers: [90, 59, 58] Generated Node #2: [90, 59, 58] from Operation: 46+12=58 Current State: 91:[90, 59, 58], Operations: ['46+12=58'] Exploring Operation: 90+59=149, Resulting Numbers: [58, 149] Generated Node #3: [58, 149] from Operation: 90+59=149 Current State: 91:[58, 149], Operations: ['46+12=58', '90+59=149'] Exploring Operation: 149-58=91, Resulting Numbers: [91] 91,91 equal: Goal Reached
4
Current State: 91:[46, 12, 90, 59], Operations: [] Exploring Operation: 12+59=71, Resulting Numbers: [46, 90, 71] Generated Node #0,0: 91:[46, 90, 71] Operation: 12+59=71 Exploring Operation: 59-46=13, Resulting Numbers: [12, 90, 13] Generated Node #0,1: 91:[12, 90, 13] Operation: 59-46=13 Exploring Operation: 90-59=31, Resulting Numbers: [46, 12, 31] Generated Node #0,2: 91:[46, 12, 31] Operation: 90-59=31 Exploring Operation: 46+59=105, Resulting Numbers: [12, 90, 105] Generated Node #0,3: 91:[12, 90, 105] Operation: 46+59=105 Exploring Operation: 46-12=34, Resulting Numbers: [90, 59, 34] Generated Node #0,4: 91:[90, 59, 34] Operation: 46-12=34 Moving to Node #0,1 Current State: 91:[12, 90, 13], Operations: ['59-46=13'] Exploring Operation: 90+13=103, Resulting Numbers: [12, 103] Generated Node #0,1,0: 91:[12, 103] Operation: 90+13=103 Exploring Operation: 13-12=1, Resulting Numbers: [90, 1] Generated Node #0,1,1: 91:[90, 1] Operation: 13-12=1 Exploring Operation: 90-12=78, Resulting Numbers: [13, 78] Generated Node #0,1,2: 91:[13, 78] Operation: 90-12=78 Exploring Operation: 12+13=25, Resulting Numbers: [90, 25] Generated Node #0,1,3: 91:[90, 25] Operation: 12+13=25 Exploring Operation: 12+90=102, Resulting Numbers: [13, 102] Generated Node #0,1,4: 91:[13, 102] Operation: 12+90=102 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 91:[90, 1], Operations: ['59-46=13', '13-12=1'] Exploring Operation: 90/1=90, Resulting Numbers: [90] 90,91 unequal: No Solution Exploring Operation: 90+1=91, Resulting Numbers: [91] 91,91 equal: Goal Reached Moving to Node #0 Current State: 91:[46, 12, 90, 59], Operations: [] Exploring Operation: 59-46=13, Resulting Numbers: [12, 90, 13] Generated Node #0,1: 91:[12, 90, 13] Operation: 59-46=13 Moving to Node #0,1 Current State: 91:[12, 90, 13], Operations: ['59-46=13'] Exploring Operation: 13-12=1, Resulting Numbers: [90, 1] Generated Node #0,1,1: 91:[90, 1] Operation: 13-12=1 Moving to Node #0,1,1 Current State: 91:[90, 1], Operations: ['59-46=13', '13-12=1'] Exploring Operation: 90+1=91, Resulting Numbers: [91] 91,91 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_5
mult_heuristic
[ 53, 10, 15, 51 ]
79
[ "53-10=43", "51-15=36", "43+36=79" ]
Current State: 79:[53, 10, 15, 51], Operations: [] Exploring Operation: 53-10=43, Resulting Numbers: [15, 51, 43] Generated Node #2: [15, 51, 43] from Operation: 53-10=43 Current State: 79:[15, 51, 43], Operations: ['53-10=43'] Exploring Operation: 51-15=36, Resulting Numbers: [43, 36] Generated Node #3: [43, 36] from Operation: 51-15=36 Current State: 79:[43, 36], Operations: ['53-10=43', '51-15=36'] Exploring Operation: 43+36=79, Resulting Numbers: [79] 79,79 equal: Goal Reached
4
Current State: 79:[53, 10, 15, 51], Operations: [] Exploring Operation: 53+10=63, Resulting Numbers: [15, 51, 63] Generated Node #0,0: 79:[15, 51, 63] Operation: 53+10=63 Start Sub Search at level 1: Moving to Node #0,0 Current State: 79:[15, 51, 63], Operations: ['53+10=63'] Exploring Operation: 15+51=66, Resulting Numbers: [63, 66] Generated Node #0,0,0: 79:[63, 66] Operation: 15+51=66 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 79:[63, 66], Operations: ['53+10=63', '15+51=66'] Exploring Operation: 63+66=129, Resulting Numbers: [129] 129,79 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
[ 32, 98, 18, 35 ]
44
[ "35-32=3", "18*3=54", "98-54=44" ]
Current State: 44:[32, 98, 18, 35], Operations: [] Exploring Operation: 35-32=3, Resulting Numbers: [98, 18, 3] Generated Node #2: [98, 18, 3] from Operation: 35-32=3 Current State: 44:[98, 18, 3], Operations: ['35-32=3'] Exploring Operation: 18*3=54, Resulting Numbers: [98, 54] Generated Node #3: [98, 54] from Operation: 18*3=54 Current State: 44:[98, 54], Operations: ['35-32=3', '18*3=54'] Exploring Operation: 98-54=44, Resulting Numbers: [44] 44,44 equal: Goal Reached
4
Current State: 44:[32, 98, 18, 35], Operations: [] Exploring Operation: 98-35=63, Resulting Numbers: [32, 18, 63] Generated Node #0,0: 44:[32, 18, 63] Operation: 98-35=63 Moving to Node #0,0 Current State: 44:[32, 18, 63], Operations: ['98-35=63'] Exploring Operation: 63-18=45, Resulting Numbers: [32, 45] Generated Node #0,0,0: 44:[32, 45] Operation: 63-18=45 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 44:[32, 45], Operations: ['98-35=63', '63-18=45'] Exploring Operation: 45-32=13, Resulting Numbers: [13] 13,44 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 29, 5, 94, 52 ]
66
[ "29-5=24", "94-52=42", "24+42=66" ]
Current State: 66:[29, 5, 94, 52], Operations: [] Exploring Operation: 29-5=24, Resulting Numbers: [94, 52, 24] Generated Node #2: [94, 52, 24] from Operation: 29-5=24 Current State: 66:[94, 52, 24], Operations: ['29-5=24'] Exploring Operation: 94-52=42, Resulting Numbers: [24, 42] Generated Node #3: [24, 42] from Operation: 94-52=42 Current State: 66:[24, 42], Operations: ['29-5=24', '94-52=42'] Exploring Operation: 24+42=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
4
Current State: 66:[29, 5, 94, 52], Operations: [] Exploring Operation: 94-52=42, Resulting Numbers: [29, 5, 42] Generated Node #0,0: 66:[29, 5, 42] Operation: 94-52=42 Exploring Operation: 94-29=65, Resulting Numbers: [5, 52, 65] Generated Node #0,1: 66:[5, 52, 65] Operation: 94-29=65 Start Sub Search at level 1: Moving to Node #0,0 Current State: 66:[29, 5, 42], Operations: ['94-52=42'] Exploring Operation: 29+42=71, Resulting Numbers: [5, 71] Generated Node #0,0,0: 66:[5, 71] Operation: 29+42=71 Exploring Operation: 42-29=13, Resulting Numbers: [5, 13] Generated Node #0,0,1: 66:[5, 13] Operation: 42-29=13 Moving to Node #0,0,1 Current State: 66:[5, 13], Operations: ['94-52=42', '42-29=13'] Exploring Operation: 5*13=65, Resulting Numbers: [65] 65,66 unequal: No Solution Exploring Operation: 13-5=8, Resulting Numbers: [8] 8,66 unequal: No Solution Moving to Node #0,0,0 Current State: 66:[5, 71], Operations: ['94-52=42', '29+42=71'] Exploring Operation: 5+71=76, Resulting Numbers: [76] 76,66 unequal: No Solution Exploring Operation: 71-5=66, Resulting Numbers: [66] 66,66 equal: Goal Reached Moving to Node #0 Current State: 66:[29, 5, 94, 52], Operations: [] Exploring Operation: 94-52=42, Resulting Numbers: [29, 5, 42] Generated Node #0,0: 66:[29, 5, 42] Operation: 94-52=42 Moving to Node #0,0 Current State: 66:[29, 5, 42], Operations: ['94-52=42'] Exploring Operation: 29+42=71, Resulting Numbers: [5, 71] Generated Node #0,0,0: 66:[5, 71] Operation: 29+42=71 Moving to Node #0,0,0 Current State: 66:[5, 71], Operations: ['94-52=42', '29+42=71'] Exploring Operation: 71-5=66, Resulting Numbers: [66] 66,66 equal: Goal Reached Exit Sub Search at level 1
0.989583
hs_2
sum_heuristic
[ 23, 55, 91, 46 ]
72
[ "46/23=2", "91-55=36", "2*36=72" ]
Current State: 72:[23, 55, 91, 46], Operations: [] Exploring Operation: 46/23=2, Resulting Numbers: [55, 91, 2] Generated Node #2: [55, 91, 2] from Operation: 46/23=2 Current State: 72:[55, 91, 2], Operations: ['46/23=2'] Exploring Operation: 91-55=36, Resulting Numbers: [2, 36] Generated Node #3: [2, 36] from Operation: 91-55=36 Current State: 72:[2, 36], Operations: ['46/23=2', '91-55=36'] Exploring Operation: 2*36=72, Resulting Numbers: [72] 72,72 equal: Goal Reached
4
Current State: 72:[23, 55, 91, 46], Operations: [] Exploring Operation: 91-46=45, Resulting Numbers: [23, 55, 45] Generated Node #0,0: 72:[23, 55, 45] Operation: 91-46=45 Exploring Operation: 55-46=9, Resulting Numbers: [23, 91, 9] Generated Node #0,1: 72:[23, 91, 9] Operation: 55-46=9 Exploring Operation: 91-55=36, Resulting Numbers: [23, 46, 36] Generated Node #0,2: 72:[23, 46, 36] Operation: 91-55=36 Start Sub Search at level 1: Moving to Node #0,2 Current State: 72:[23, 46, 36], Operations: ['91-55=36'] Exploring Operation: 46/23=2, Resulting Numbers: [36, 2] Generated Node #0,2,0: 72:[36, 2] Operation: 46/23=2 Exploring Operation: 46-23=23, Resulting Numbers: [36, 23] Generated Node #0,2,1: 72:[36, 23] Operation: 46-23=23 Exploring Operation: 46-36=10, Resulting Numbers: [23, 10] Generated Node #0,2,2: 72:[23, 10] Operation: 46-36=10 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 72:[36, 2], Operations: ['91-55=36', '46/23=2'] Exploring Operation: 36*2=72, Resulting Numbers: [72] 72,72 equal: Goal Reached Moving to Node #0 Current State: 72:[23, 55, 91, 46], Operations: [] Exploring Operation: 91-55=36, Resulting Numbers: [23, 46, 36] Generated Node #0,2: 72:[23, 46, 36] Operation: 91-55=36 Moving to Node #0,2 Current State: 72:[23, 46, 36], Operations: ['91-55=36'] Exploring Operation: 46/23=2, Resulting Numbers: [36, 2] Generated Node #0,2,0: 72:[36, 2] Operation: 46/23=2 Moving to Node #0,2,0 Current State: 72:[36, 2], Operations: ['91-55=36', '46/23=2'] Exploring Operation: 36*2=72, Resulting Numbers: [72] 72,72 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.990451
hs_3
sum_heuristic
[ 52, 33, 61, 65 ]
15
[ "52-33=19", "65-61=4", "19-4=15" ]
Current State: 15:[52, 33, 61, 65], Operations: [] Exploring Operation: 52-33=19, Resulting Numbers: [61, 65, 19] Generated Node #2: [61, 65, 19] from Operation: 52-33=19 Current State: 15:[61, 65, 19], Operations: ['52-33=19'] Exploring Operation: 65-61=4, Resulting Numbers: [19, 4] Generated Node #3: [19, 4] from Operation: 65-61=4 Current State: 15:[19, 4], Operations: ['52-33=19', '65-61=4'] Exploring Operation: 19-4=15, Resulting Numbers: [15] 15,15 equal: Goal Reached
4
Current State: 15:[52, 33, 61, 65], Operations: [] Exploring Operation: 65-52=13, Resulting Numbers: [33, 61, 13] Generated Node #0,0: 15:[33, 61, 13] Operation: 65-52=13 Exploring Operation: 65-61=4, Resulting Numbers: [52, 33, 4] Generated Node #0,1: 15:[52, 33, 4] Operation: 65-61=4 Start Sub Search at level 1: Moving to Node #0,1 Current State: 15:[52, 33, 4], Operations: ['65-61=4'] Exploring Operation: 52/4=13, Resulting Numbers: [33, 13] Generated Node #0,1,0: 15:[33, 13] Operation: 52/4=13 Exploring Operation: 52-33=19, Resulting Numbers: [4, 19] Generated Node #0,1,1: 15:[4, 19] Operation: 52-33=19 Moving to Node #0,1,1 Current State: 15:[4, 19], Operations: ['65-61=4', '52-33=19'] Exploring Operation: 4+19=23, Resulting Numbers: [23] 23,15 unequal: No Solution Exploring Operation: 19-4=15, Resulting Numbers: [15] 15,15 equal: Goal Reached Moving to Node #0 Current State: 15:[52, 33, 61, 65], Operations: [] Exploring Operation: 65-61=4, Resulting Numbers: [52, 33, 4] Generated Node #0,1: 15:[52, 33, 4] Operation: 65-61=4 Moving to Node #0,1 Current State: 15:[52, 33, 4], Operations: ['65-61=4'] Exploring Operation: 52-33=19, Resulting Numbers: [4, 19] Generated Node #0,1,1: 15:[4, 19] Operation: 52-33=19 Moving to Node #0,1,1 Current State: 15:[4, 19], Operations: ['65-61=4', '52-33=19'] Exploring Operation: 19-4=15, Resulting Numbers: [15] 15,15 equal: Goal Reached Exit Sub Search at level 1
0.991319
hs_2
sum_heuristic
[ 87, 68, 35, 59 ]
61
[ "87+68=155", "35+59=94", "155-94=61" ]
Current State: 61:[87, 68, 35, 59], Operations: [] Exploring Operation: 87+68=155, Resulting Numbers: [35, 59, 155] Generated Node #2: [35, 59, 155] from Operation: 87+68=155 Current State: 61:[35, 59, 155], Operations: ['87+68=155'] Exploring Operation: 35+59=94, Resulting Numbers: [155, 94] Generated Node #3: [155, 94] from Operation: 35+59=94 Current State: 61:[155, 94], Operations: ['87+68=155', '35+59=94'] Exploring Operation: 155-94=61, Resulting Numbers: [61] 61,61 equal: Goal Reached
4
Current State: 61:[87, 68, 35, 59], Operations: [] Exploring Operation: 68-35=33, Resulting Numbers: [87, 59, 33] Generated Node #0,0: 61:[87, 59, 33] Operation: 68-35=33 Exploring Operation: 35+59=94, Resulting Numbers: [87, 68, 94] Generated Node #0,1: 61:[87, 68, 94] Operation: 35+59=94 Exploring Operation: 87-59=28, Resulting Numbers: [68, 35, 28] Generated Node #0,2: 61:[68, 35, 28] Operation: 87-59=28 Exploring Operation: 87-35=52, Resulting Numbers: [68, 59, 52] Generated Node #0,3: 61:[68, 59, 52] Operation: 87-35=52 Moving to Node #0,3 Current State: 61:[68, 59, 52], Operations: ['87-35=52'] Exploring Operation: 68-52=16, Resulting Numbers: [59, 16] Generated Node #0,3,0: 61:[59, 16] Operation: 68-52=16 Exploring Operation: 59+52=111, Resulting Numbers: [68, 111] Generated Node #0,3,1: 61:[68, 111] Operation: 59+52=111 Exploring Operation: 68-59=9, Resulting Numbers: [52, 9] Generated Node #0,3,2: 61:[52, 9] Operation: 68-59=9 Exploring Operation: 68+52=120, Resulting Numbers: [59, 120] Generated Node #0,3,3: 61:[59, 120] Operation: 68+52=120 Moving to Node #0,0 Current State: 61:[87, 59, 33], Operations: ['68-35=33'] Exploring Operation: 87-33=54, Resulting Numbers: [59, 54] Generated Node #0,0,0: 61:[59, 54] Operation: 87-33=54 Exploring Operation: 87-59=28, Resulting Numbers: [33, 28] Generated Node #0,0,1: 61:[33, 28] Operation: 87-59=28 Exploring Operation: 59+33=92, Resulting Numbers: [87, 92] Generated Node #0,0,2: 61:[87, 92] Operation: 59+33=92 Exploring Operation: 87+33=120, Resulting Numbers: [59, 120] Generated Node #0,0,3: 61:[59, 120] Operation: 87+33=120 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 61:[59, 54], Operations: ['68-35=33', '87-33=54'] Exploring Operation: 59-54=5, Resulting Numbers: [5] 5,61 unequal: No Solution Exploring Operation: 59+54=113, Resulting Numbers: [113] 113,61 unequal: No Solution Exploring Operation: 59*54=3186, Resulting Numbers: [3186] 3186,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 61:[87, 92], Operations: ['68-35=33', '59+33=92'] Exploring Operation: 87*92=8004, Resulting Numbers: [8004] 8004,61 unequal: No Solution Exploring Operation: 92-87=5, Resulting Numbers: [5] 5,61 unequal: No Solution Exploring Operation: 87+92=179, Resulting Numbers: [179] 179,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 61:[33, 28], Operations: ['68-35=33', '87-59=28'] Exploring Operation: 33-28=5, Resulting Numbers: [5] 5,61 unequal: No Solution Exploring Operation: 33+28=61, Resulting Numbers: [61] 61,61 equal: Goal Reached Moving to Node #0 Current State: 61:[87, 68, 35, 59], Operations: [] Exploring Operation: 68-35=33, Resulting Numbers: [87, 59, 33] Generated Node #0,0: 61:[87, 59, 33] Operation: 68-35=33 Moving to Node #0,0 Current State: 61:[87, 59, 33], Operations: ['68-35=33'] Exploring Operation: 87-59=28, Resulting Numbers: [33, 28] Generated Node #0,0,1: 61:[33, 28] Operation: 87-59=28 Moving to Node #0,0,1 Current State: 61:[33, 28], Operations: ['68-35=33', '87-59=28'] Exploring Operation: 33+28=61, Resulting Numbers: [61] 61,61 equal: Goal Reached Exit Sub Search at level 1
0.979167
hs_4
mult_heuristic