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
[ 80, 21, 27, 46 ]
14
[ "80-21=59", "27+46=73", "73-59=14" ]
Current State: 14:[80, 21, 27, 46], Operations: [] Exploring Operation: 80-21=59, Resulting Numbers: [27, 46, 59] Generated Node #2: [27, 46, 59] from Operation: 80-21=59 Current State: 14:[27, 46, 59], Operations: ['80-21=59'] Exploring Operation: 27+46=73, Resulting Numbers: [59, 73] Generated Node #3: [59, 73] from Operation: 27+46=73 Current State: 14:[59, 73], Operations: ['80-21=59', '27+46=73'] Exploring Operation: 73-59=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
4
Current State: 14:[80, 21, 27, 46], Operations: [] Exploring Operation: 80-27=53, Resulting Numbers: [21, 46, 53] Generated Node #0,0: 14:[21, 46, 53] Operation: 80-27=53 Exploring Operation: 80-46=34, Resulting Numbers: [21, 27, 34] Generated Node #0,1: 14:[21, 27, 34] Operation: 80-46=34 Exploring Operation: 46-27=19, Resulting Numbers: [80, 21, 19] Generated Node #0,2: 14:[80, 21, 19] Operation: 46-27=19 Exploring Operation: 80-21=59, Resulting Numbers: [27, 46, 59] Generated Node #0,3: 14:[27, 46, 59] Operation: 80-21=59 Moving to Node #0,1 Current State: 14:[21, 27, 34], Operations: ['80-46=34'] Exploring Operation: 34-21=13, Resulting Numbers: [27, 13] Generated Node #0,1,0: 14:[27, 13] Operation: 34-21=13 Exploring Operation: 27-21=6, Resulting Numbers: [34, 6] Generated Node #0,1,1: 14:[34, 6] Operation: 27-21=6 Exploring Operation: 34-27=7, Resulting Numbers: [21, 7] Generated Node #0,1,2: 14:[21, 7] Operation: 34-27=7 Exploring Operation: 21+27=48, Resulting Numbers: [34, 48] Generated Node #0,1,3: 14:[34, 48] Operation: 21+27=48 Moving to Node #0,2 Current State: 14:[80, 21, 19], Operations: ['46-27=19'] Exploring Operation: 21-19=2, Resulting Numbers: [80, 2] Generated Node #0,2,0: 14:[80, 2] Operation: 21-19=2 Exploring Operation: 80-21=59, Resulting Numbers: [19, 59] Generated Node #0,2,1: 14:[19, 59] Operation: 80-21=59 Exploring Operation: 80-19=61, Resulting Numbers: [21, 61] Generated Node #0,2,2: 14:[21, 61] Operation: 80-19=61 Exploring Operation: 80+21=101, Resulting Numbers: [19, 101] Generated Node #0,2,3: 14:[19, 101] Operation: 80+21=101 Moving to Node #0,0 Current State: 14:[21, 46, 53], Operations: ['80-27=53'] Exploring Operation: 46-21=25, Resulting Numbers: [53, 25] Generated Node #0,0,0: 14:[53, 25] Operation: 46-21=25 Exploring Operation: 53-21=32, Resulting Numbers: [46, 32] Generated Node #0,0,1: 14:[46, 32] Operation: 53-21=32 Exploring Operation: 53-46=7, Resulting Numbers: [21, 7] Generated Node #0,0,2: 14:[21, 7] Operation: 53-46=7 Exploring Operation: 21+46=67, Resulting Numbers: [53, 67] Generated Node #0,0,3: 14:[53, 67] Operation: 21+46=67 Moving to Node #0,3 Current State: 14:[27, 46, 59], Operations: ['80-21=59'] Exploring Operation: 27+46=73, Resulting Numbers: [59, 73] Generated Node #0,3,0: 14:[59, 73] Operation: 27+46=73 Exploring Operation: 59-27=32, Resulting Numbers: [46, 32] Generated Node #0,3,1: 14:[46, 32] Operation: 59-27=32 Exploring Operation: 59-46=13, Resulting Numbers: [27, 13] Generated Node #0,3,2: 14:[27, 13] Operation: 59-46=13 Exploring Operation: 46-27=19, Resulting Numbers: [59, 19] Generated Node #0,3,3: 14:[59, 19] Operation: 46-27=19 Moving to Node #0,1,2 Current State: 14:[21, 7], Operations: ['80-46=34', '34-27=7'] Exploring Operation: 21-7=14, Resulting Numbers: [14] 14,14 equal: Goal Reached Moving to Node #0 Current State: 14:[80, 21, 27, 46], Operations: [] Exploring Operation: 80-46=34, Resulting Numbers: [21, 27, 34] Generated Node #0,1: 14:[21, 27, 34] Operation: 80-46=34 Moving to Node #0,1 Current State: 14:[21, 27, 34], Operations: ['80-46=34'] Exploring Operation: 34-27=7, Resulting Numbers: [21, 7] Generated Node #0,1,2: 14:[21, 7] Operation: 34-27=7 Moving to Node #0,1,2 Current State: 14:[21, 7], Operations: ['80-46=34', '34-27=7'] Exploring Operation: 21-7=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
0.978299
hs_4
sum_heuristic
[ 22, 43, 11, 55 ]
46
[ "55-22=33", "33/11=3", "43+3=46" ]
Current State: 46:[22, 43, 11, 55], Operations: [] Exploring Operation: 55-22=33, Resulting Numbers: [43, 11, 33] Generated Node #2: [43, 11, 33] from Operation: 55-22=33 Current State: 46:[43, 11, 33], Operations: ['55-22=33'] Exploring Operation: 33/11=3, Resulting Numbers: [43, 3] Generated Node #3: [43, 3] from Operation: 33/11=3 Current State: 46:[43, 3], Operations: ['55-22=33', '33/11=3'] Exploring Operation: 43+3=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
4
Current State: 46:[22, 43, 11, 55], Operations: [] Exploring Operation: 55-11=44, Resulting Numbers: [22, 43, 44] Generated Node #0,0: 46:[22, 43, 44] Operation: 55-11=44 Exploring Operation: 55/11=5, Resulting Numbers: [22, 43, 5] Generated Node #0,1: 46:[22, 43, 5] Operation: 55/11=5 Start Sub Search at level 1: Moving to Node #0,0 Current State: 46:[22, 43, 44], Operations: ['55-11=44'] Exploring Operation: 44-43=1, Resulting Numbers: [22, 1] Generated Node #0,0,0: 46:[22, 1] Operation: 44-43=1 Exploring Operation: 44/22=2, Resulting Numbers: [43, 2] Generated Node #0,0,1: 46:[43, 2] Operation: 44/22=2 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 46:[22, 1], Operations: ['55-11=44', '44-43=1'] Exploring Operation: 22*1=22, Resulting Numbers: [22] 22,46 unequal: No Solution Exploring Operation: 22+1=23, Resulting Numbers: [23] 23,46 unequal: No Solution No 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: 46:[43, 2], Operations: ['55-11=44', '44/22=2'] Exploring Operation: 43-2=41, Resulting Numbers: [41] 41,46 unequal: No Solution Exploring Operation: 43+2=45, Resulting Numbers: [45] 45,46 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: 46:[22, 43, 5], Operations: ['55/11=5'] Exploring Operation: 43+5=48, Resulting Numbers: [22, 48] Generated Node #0,1,0: 46:[22, 48] Operation: 43+5=48 Exploring Operation: 43-22=21, Resulting Numbers: [5, 21] Generated Node #0,1,1: 46:[5, 21] Operation: 43-22=21 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 46:[22, 48], Operations: ['55/11=5', '43+5=48'] Exploring Operation: 22+48=70, Resulting Numbers: [70] 70,46 unequal: No Solution Exploring Operation: 48-22=26, Resulting Numbers: [26] 26,46 unequal: No Solution No 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: 46:[5, 21], Operations: ['55/11=5', '43-22=21'] Exploring Operation: 5+21=26, Resulting Numbers: [26] 26,46 unequal: No Solution Exploring Operation: 21-5=16, Resulting Numbers: [16] 16,46 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
[ 24, 54, 34, 12 ]
45
[ "34-24=10", "54*10=540", "540/12=45" ]
Current State: 45:[24, 54, 34, 12], Operations: [] Exploring Operation: 34-24=10, Resulting Numbers: [54, 12, 10] Generated Node #2: [54, 12, 10] from Operation: 34-24=10 Current State: 45:[54, 12, 10], Operations: ['34-24=10'] Exploring Operation: 54*10=540, Resulting Numbers: [12, 540] Generated Node #3: [12, 540] from Operation: 54*10=540 Current State: 45:[12, 540], Operations: ['34-24=10', '54*10=540'] Exploring Operation: 540/12=45, Resulting Numbers: [45] 45,45 equal: Goal Reached
4
Current State: 45:[24, 54, 34, 12], Operations: [] Exploring Operation: 34-24=10, Resulting Numbers: [54, 12, 10] Generated Node #0,0: 45:[54, 12, 10] Operation: 34-24=10 Start Sub Search at level 1: Moving to Node #0,0 Current State: 45:[54, 12, 10], Operations: ['34-24=10'] Exploring Operation: 54-12=42, Resulting Numbers: [10, 42] Generated Node #0,0,0: 45:[10, 42] Operation: 54-12=42 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 45:[10, 42], Operations: ['34-24=10', '54-12=42'] Exploring Operation: 10+42=52, Resulting Numbers: [52] 52,45 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 60, 5, 3, 7 ]
46
[ "5-3=2", "7*2=14", "60-14=46" ]
Current State: 46:[60, 5, 3, 7], Operations: [] Exploring Operation: 5-3=2, Resulting Numbers: [60, 7, 2] Generated Node #2: [60, 7, 2] from Operation: 5-3=2 Current State: 46:[60, 7, 2], Operations: ['5-3=2'] Exploring Operation: 7*2=14, Resulting Numbers: [60, 14] Generated Node #3: [60, 14] from Operation: 7*2=14 Current State: 46:[60, 14], Operations: ['5-3=2', '7*2=14'] Exploring Operation: 60-14=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
4
Current State: 46:[60, 5, 3, 7], Operations: [] Exploring Operation: 60-7=53, Resulting Numbers: [5, 3, 53] Generated Node #0,0: 46:[5, 3, 53] Operation: 60-7=53 Exploring Operation: 7-5=2, Resulting Numbers: [60, 3, 2] Generated Node #0,1: 46:[60, 3, 2] Operation: 7-5=2 Exploring Operation: 60-5=55, Resulting Numbers: [3, 7, 55] Generated Node #0,2: 46:[3, 7, 55] Operation: 60-5=55 Exploring Operation: 60/5=12, Resulting Numbers: [3, 7, 12] Generated Node #0,3: 46:[3, 7, 12] Operation: 60/5=12 Exploring Operation: 60/3=20, Resulting Numbers: [5, 7, 20] Generated Node #0,4: 46:[5, 7, 20] Operation: 60/3=20 Start Sub Search at level 1: Moving to Node #0,0 Current State: 46:[5, 3, 53], Operations: ['60-7=53'] Exploring Operation: 53-5=48, Resulting Numbers: [3, 48] Generated Node #0,0,0: 46:[3, 48] Operation: 53-5=48 Exploring Operation: 53-3=50, Resulting Numbers: [5, 50] Generated Node #0,0,1: 46:[5, 50] Operation: 53-3=50 Exploring Operation: 5+53=58, Resulting Numbers: [3, 58] Generated Node #0,0,2: 46:[3, 58] Operation: 5+53=58 Exploring Operation: 5+3=8, Resulting Numbers: [53, 8] Generated Node #0,0,3: 46:[53, 8] Operation: 5+3=8 Exploring Operation: 5-3=2, Resulting Numbers: [53, 2] Generated Node #0,0,4: 46:[53, 2] Operation: 5-3=2 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 46:[3, 48], Operations: ['60-7=53', '53-5=48'] Exploring Operation: 3+48=51, Resulting Numbers: [51] 51,46 unequal: No Solution Exploring Operation: 3*48=144, Resulting Numbers: [144] 144,46 unequal: No Solution Exploring Operation: 48/3=16, Resulting Numbers: [16] 16,46 unequal: No Solution Exploring Operation: 48-3=45, Resulting Numbers: [45] 45,46 unequal: No Solution No 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: 46:[5, 50], Operations: ['60-7=53', '53-3=50'] Exploring Operation: 5+50=55, Resulting Numbers: [55] 55,46 unequal: No Solution Exploring Operation: 50-5=45, Resulting Numbers: [45] 45,46 unequal: No Solution Exploring Operation: 50/5=10, Resulting Numbers: [10] 10,46 unequal: No Solution Exploring Operation: 5*50=250, Resulting Numbers: [250] 250,46 unequal: No Solution No 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: 46:[53, 2], Operations: ['60-7=53', '5-3=2'] Exploring Operation: 53*2=106, Resulting Numbers: [106] 106,46 unequal: No Solution Exploring Operation: 53-2=51, Resulting Numbers: [51] 51,46 unequal: No Solution Exploring Operation: 53+2=55, Resulting Numbers: [55] 55,46 unequal: No Solution No 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: 46:[3, 58], Operations: ['60-7=53', '5+53=58'] Exploring Operation: 58-3=55, Resulting Numbers: [55] 55,46 unequal: No Solution Exploring Operation: 3+58=61, Resulting Numbers: [61] 61,46 unequal: No Solution Exploring Operation: 3*58=174, Resulting Numbers: [174] 174,46 unequal: No Solution No 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: 46:[53, 8], Operations: ['60-7=53', '5+3=8'] Exploring Operation: 53*8=424, Resulting Numbers: [424] 424,46 unequal: No Solution Exploring Operation: 53-8=45, Resulting Numbers: [45] 45,46 unequal: No Solution Exploring Operation: 53+8=61, Resulting Numbers: [61] 61,46 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 46:[5, 7, 20], Operations: ['60/3=20'] Exploring Operation: 20/5=4, Resulting Numbers: [7, 4] Generated Node #0,4,0: 46:[7, 4] Operation: 20/5=4 Exploring Operation: 5+7=12, Resulting Numbers: [20, 12] Generated Node #0,4,1: 46:[20, 12] Operation: 5+7=12 Exploring Operation: 7-5=2, Resulting Numbers: [20, 2] Generated Node #0,4,2: 46:[20, 2] Operation: 7-5=2 Exploring Operation: 5+20=25, Resulting Numbers: [7, 25] Generated Node #0,4,3: 46:[7, 25] Operation: 5+20=25 Exploring Operation: 7+20=27, Resulting Numbers: [5, 27] Generated Node #0,4,4: 46:[5, 27] Operation: 7+20=27 Moving to Node #0,4,2 Current State: 46:[20, 2], Operations: ['60/3=20', '7-5=2'] Exploring Operation: 20*2=40, Resulting Numbers: [40] 40,46 unequal: No Solution Exploring Operation: 20-2=18, Resulting Numbers: [18] 18,46 unequal: No Solution Exploring Operation: 20+2=22, Resulting Numbers: [22] 22,46 unequal: No Solution Exploring Operation: 20/2=10, Resulting Numbers: [10] 10,46 unequal: No Solution Moving to Node #0,4,3 Current State: 46:[7, 25], Operations: ['60/3=20', '5+20=25'] Exploring Operation: 7+25=32, Resulting Numbers: [32] 32,46 unequal: No Solution Exploring Operation: 25-7=18, Resulting Numbers: [18] 18,46 unequal: No Solution Exploring Operation: 7*25=175, Resulting Numbers: [175] 175,46 unequal: No Solution Moving to Node #0,4,0 Current State: 46:[7, 4], Operations: ['60/3=20', '20/5=4'] Exploring Operation: 7+4=11, Resulting Numbers: [11] 11,46 unequal: No Solution Exploring Operation: 7*4=28, Resulting Numbers: [28] 28,46 unequal: No Solution Exploring Operation: 7-4=3, Resulting Numbers: [3] 3,46 unequal: No Solution Moving to Node #0,4,4 Current State: 46:[5, 27], Operations: ['60/3=20', '7+20=27'] Exploring Operation: 5+27=32, Resulting Numbers: [32] 32,46 unequal: No Solution Exploring Operation: 5*27=135, Resulting Numbers: [135] 135,46 unequal: No Solution Exploring Operation: 27-5=22, Resulting Numbers: [22] 22,46 unequal: No Solution Moving to Node #0,4,1 Current State: 46:[20, 12], Operations: ['60/3=20', '5+7=12'] Exploring Operation: 20-12=8, Resulting Numbers: [8] 8,46 unequal: No Solution Exploring Operation: 20+12=32, Resulting Numbers: [32] 32,46 unequal: No Solution Exploring Operation: 20*12=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 Current State: 46:[60, 3, 2], Operations: ['7-5=2'] Exploring Operation: 60/3=20, Resulting Numbers: [2, 20] Generated Node #0,1,0: 46:[2, 20] Operation: 60/3=20 Exploring Operation: 60-2=58, Resulting Numbers: [3, 58] Generated Node #0,1,1: 46:[3, 58] Operation: 60-2=58 Exploring Operation: 60/2=30, Resulting Numbers: [3, 30] Generated Node #0,1,2: 46:[3, 30] Operation: 60/2=30 Exploring Operation: 60-3=57, Resulting Numbers: [2, 57] Generated Node #0,1,3: 46:[2, 57] Operation: 60-3=57 Exploring Operation: 3-2=1, Resulting Numbers: [60, 1] Generated Node #0,1,4: 46:[60, 1] Operation: 3-2=1 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 46:[2, 20], Operations: ['7-5=2', '60/3=20'] Exploring Operation: 20/2=10, Resulting Numbers: [10] 10,46 unequal: No Solution Exploring Operation: 20-2=18, Resulting Numbers: [18] 18,46 unequal: No Solution Exploring Operation: 2+20=22, Resulting Numbers: [22] 22,46 unequal: No Solution Exploring Operation: 2*20=40, Resulting Numbers: [40] 40,46 unequal: No Solution No 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: 46:[3, 30], Operations: ['7-5=2', '60/2=30'] Exploring Operation: 3*30=90, Resulting Numbers: [90] 90,46 unequal: No Solution Exploring Operation: 30/3=10, Resulting Numbers: [10] 10,46 unequal: No Solution Exploring Operation: 3+30=33, Resulting Numbers: [33] 33,46 unequal: No Solution Exploring Operation: 30-3=27, Resulting Numbers: [27] 27,46 unequal: No Solution No 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: 46:[2, 57], Operations: ['7-5=2', '60-3=57'] Exploring Operation: 2*57=114, Resulting Numbers: [114] 114,46 unequal: No Solution Exploring Operation: 57-2=55, Resulting Numbers: [55] 55,46 unequal: No Solution Exploring Operation: 2+57=59, Resulting Numbers: [59] 59,46 unequal: No Solution No 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: 46:[3, 58], Operations: ['7-5=2', '60-2=58'] Exploring Operation: 58-3=55, Resulting Numbers: [55] 55,46 unequal: No Solution Exploring Operation: 3*58=174, Resulting Numbers: [174] 174,46 unequal: No Solution Exploring Operation: 3+58=61, Resulting Numbers: [61] 61,46 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 46:[60, 1], Operations: ['7-5=2', '3-2=1'] Exploring Operation: 60+1=61, Resulting Numbers: [61] 61,46 unequal: No Solution Exploring Operation: 60-1=59, Resulting Numbers: [59] 59,46 unequal: No Solution Exploring Operation: 60/1=60, Resulting Numbers: [60] 60,46 unequal: No Solution Exploring Operation: 60*1=60, Resulting Numbers: [60] 60,46 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: 46:[3, 7, 55], Operations: ['60-5=55'] Exploring Operation: 55-7=48, Resulting Numbers: [3, 48] Generated Node #0,2,0: 46:[3, 48] Operation: 55-7=48 Exploring Operation: 3+7=10, Resulting Numbers: [55, 10] Generated Node #0,2,1: 46:[55, 10] Operation: 3+7=10 Exploring Operation: 55-3=52, Resulting Numbers: [7, 52] Generated Node #0,2,2: 46:[7, 52] Operation: 55-3=52 Exploring Operation: 7-3=4, Resulting Numbers: [55, 4] Generated Node #0,2,3: 46:[55, 4] Operation: 7-3=4 Exploring Operation: 3*7=21, Resulting Numbers: [55, 21] Generated Node #0,2,4: 46:[55, 21] Operation: 3*7=21 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 46:[3, 48], Operations: ['60-5=55', '55-7=48'] Exploring Operation: 3*48=144, Resulting Numbers: [144] 144,46 unequal: No Solution Exploring Operation: 48-3=45, Resulting Numbers: [45] 45,46 unequal: No Solution Exploring Operation: 48/3=16, Resulting Numbers: [16] 16,46 unequal: No Solution Exploring Operation: 3+48=51, Resulting Numbers: [51] 51,46 unequal: No Solution No 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: 46:[7, 52], Operations: ['60-5=55', '55-3=52'] Exploring Operation: 52-7=45, Resulting Numbers: [45] 45,46 unequal: No Solution Exploring Operation: 7+52=59, Resulting Numbers: [59] 59,46 unequal: No Solution Exploring Operation: 7*52=364, Resulting Numbers: [364] 364,46 unequal: No Solution No 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: 46:[55, 4], Operations: ['60-5=55', '7-3=4'] Exploring Operation: 55+4=59, Resulting Numbers: [59] 59,46 unequal: No Solution Exploring Operation: 55*4=220, Resulting Numbers: [220] 220,46 unequal: No Solution Exploring Operation: 55-4=51, Resulting Numbers: [51] 51,46 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 46:[55, 21], Operations: ['60-5=55', '3*7=21'] Exploring Operation: 55-21=34, Resulting Numbers: [34] 34,46 unequal: No Solution Exploring Operation: 55+21=76, Resulting Numbers: [76] 76,46 unequal: No Solution Exploring Operation: 55*21=1155, Resulting Numbers: [1155] 1155,46 unequal: No Solution No 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: 46:[55, 10], Operations: ['60-5=55', '3+7=10'] Exploring Operation: 55-10=45, Resulting Numbers: [45] 45,46 unequal: No Solution Exploring Operation: 55*10=550, Resulting Numbers: [550] 550,46 unequal: No Solution Exploring Operation: 55+10=65, Resulting Numbers: [65] 65,46 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: 46:[3, 7, 12], Operations: ['60/5=12'] Exploring Operation: 12/3=4, Resulting Numbers: [7, 4] Generated Node #0,3,0: 46:[7, 4] Operation: 12/3=4 Exploring Operation: 12-7=5, Resulting Numbers: [3, 5] Generated Node #0,3,1: 46:[3, 5] Operation: 12-7=5 Exploring Operation: 3*7=21, Resulting Numbers: [12, 21] Generated Node #0,3,2: 46:[12, 21] Operation: 3*7=21 Exploring Operation: 7-3=4, Resulting Numbers: [12, 4] Generated Node #0,3,3: 46:[12, 4] Operation: 7-3=4 Exploring Operation: 7+12=19, Resulting Numbers: [3, 19] Generated Node #0,3,4: 46:[3, 19] Operation: 7+12=19 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 46:[3, 5], Operations: ['60/5=12', '12-7=5'] Exploring Operation: 5-3=2, Resulting Numbers: [2] 2,46 unequal: No Solution Exploring Operation: 3+5=8, Resulting Numbers: [8] 8,46 unequal: No Solution Exploring Operation: 3*5=15, Resulting Numbers: [15] 15,46 unequal: No Solution No 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: 46:[3, 19], Operations: ['60/5=12', '7+12=19'] Exploring Operation: 19-3=16, Resulting Numbers: [16] 16,46 unequal: No Solution Exploring Operation: 3+19=22, Resulting Numbers: [22] 22,46 unequal: No Solution Exploring Operation: 3*19=57, Resulting Numbers: [57] 57,46 unequal: No Solution No 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: 46:[7, 4], Operations: ['60/5=12', '12/3=4'] Exploring Operation: 7*4=28, Resulting Numbers: [28] 28,46 unequal: No Solution Exploring Operation: 7+4=11, Resulting Numbers: [11] 11,46 unequal: No Solution Exploring Operation: 7-4=3, Resulting Numbers: [3] 3,46 unequal: No Solution No 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: 46:[12, 21], Operations: ['60/5=12', '3*7=21'] Exploring Operation: 12*21=252, Resulting Numbers: [252] 252,46 unequal: No Solution Exploring Operation: 12+21=33, Resulting Numbers: [33] 33,46 unequal: No Solution Exploring Operation: 21-12=9, Resulting Numbers: [9] 9,46 unequal: No Solution No 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: 46:[12, 4], Operations: ['60/5=12', '7-3=4'] Exploring Operation: 12+4=16, Resulting Numbers: [16] 16,46 unequal: No Solution Exploring Operation: 12*4=48, Resulting Numbers: [48] 48,46 unequal: No Solution Exploring Operation: 12-4=8, Resulting Numbers: [8] 8,46 unequal: No Solution Exploring Operation: 12/4=3, Resulting Numbers: [3] 3,46 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
sum_heuristic
[ 4, 47, 46, 50 ]
31
[ "50-46=4", "4*4=16", "47-16=31" ]
Current State: 31:[4, 47, 46, 50], Operations: [] Exploring Operation: 50-46=4, Resulting Numbers: [4, 47, 4] Generated Node #2: [4, 47, 4] from Operation: 50-46=4 Current State: 31:[4, 47, 4], Operations: ['50-46=4'] Exploring Operation: 4*4=16, Resulting Numbers: [47, 16] Generated Node #3: [47, 16] from Operation: 4*4=16 Current State: 31:[47, 16], Operations: ['50-46=4', '4*4=16'] Exploring Operation: 47-16=31, Resulting Numbers: [31] 31,31 equal: Goal Reached
4
Current State: 31:[4, 47, 46, 50], Operations: [] Exploring Operation: 47-4=43, Resulting Numbers: [46, 50, 43] Generated Node #0,0: 31:[46, 50, 43] Operation: 47-4=43 Exploring Operation: 4+46=50, Resulting Numbers: [47, 50, 50] Generated Node #0,1: 31:[47, 50, 50] Operation: 4+46=50 Exploring Operation: 46-4=42, Resulting Numbers: [47, 50, 42] Generated Node #0,2: 31:[47, 50, 42] Operation: 46-4=42 Exploring Operation: 4+47=51, Resulting Numbers: [46, 50, 51] Generated Node #0,3: 31:[46, 50, 51] Operation: 4+47=51 Exploring Operation: 50-4=46, Resulting Numbers: [47, 46, 46] Generated Node #0,4: 31:[47, 46, 46] Operation: 50-4=46 Start Sub Search at level 1: Moving to Node #0,0 Current State: 31:[46, 50, 43], Operations: ['47-4=43'] Exploring Operation: 46+50=96, Resulting Numbers: [43, 96] Generated Node #0,0,0: 31:[43, 96] Operation: 46+50=96 Exploring Operation: 46+43=89, Resulting Numbers: [50, 89] Generated Node #0,0,1: 31:[50, 89] Operation: 46+43=89 Exploring Operation: 46-43=3, Resulting Numbers: [50, 3] Generated Node #0,0,2: 31:[50, 3] Operation: 46-43=3 Exploring Operation: 50-46=4, Resulting Numbers: [43, 4] Generated Node #0,0,3: 31:[43, 4] Operation: 50-46=4 Exploring Operation: 50-43=7, Resulting Numbers: [46, 7] Generated Node #0,0,4: 31:[46, 7] Operation: 50-43=7 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 31:[43, 4], Operations: ['47-4=43', '50-46=4'] Exploring Operation: 43*4=172, Resulting Numbers: [172] 172,31 unequal: No Solution Exploring Operation: 43+4=47, Resulting Numbers: [47] 47,31 unequal: No Solution Exploring Operation: 43-4=39, Resulting Numbers: [39] 39,31 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 31:[46, 7], Operations: ['47-4=43', '50-43=7'] Exploring Operation: 46-7=39, Resulting Numbers: [39] 39,31 unequal: No Solution Exploring Operation: 46+7=53, Resulting Numbers: [53] 53,31 unequal: No Solution Exploring Operation: 46*7=322, Resulting Numbers: [322] 322,31 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 31:[50, 3], Operations: ['47-4=43', '46-43=3'] Exploring Operation: 50*3=150, Resulting Numbers: [150] 150,31 unequal: No Solution Exploring Operation: 50+3=53, Resulting Numbers: [53] 53,31 unequal: No Solution Exploring Operation: 50-3=47, Resulting Numbers: [47] 47,31 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 31:[43, 96], Operations: ['47-4=43', '46+50=96'] Exploring Operation: 43*96=4128, Resulting Numbers: [4128] 4128,31 unequal: No Solution Exploring Operation: 43+96=139, Resulting Numbers: [139] 139,31 unequal: No Solution Exploring Operation: 96-43=53, Resulting Numbers: [53] 53,31 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 31:[50, 89], Operations: ['47-4=43', '46+43=89'] Exploring Operation: 50*89=4450, Resulting Numbers: [4450] 4450,31 unequal: No Solution Exploring Operation: 50+89=139, Resulting Numbers: [139] 139,31 unequal: No Solution Exploring Operation: 89-50=39, Resulting Numbers: [39] 39,31 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 31:[47, 50, 42], Operations: ['46-4=42'] Exploring Operation: 47-42=5, Resulting Numbers: [50, 5] Generated Node #0,2,0: 31:[50, 5] Operation: 47-42=5 Exploring Operation: 50-42=8, Resulting Numbers: [47, 8] Generated Node #0,2,1: 31:[47, 8] Operation: 50-42=8 Exploring Operation: 50-47=3, Resulting Numbers: [42, 3] Generated Node #0,2,2: 31:[42, 3] Operation: 50-47=3 Exploring Operation: 47+50=97, Resulting Numbers: [42, 97] Generated Node #0,2,3: 31:[42, 97] Operation: 47+50=97 Exploring Operation: 47+42=89, Resulting Numbers: [50, 89] Generated Node #0,2,4: 31:[50, 89] Operation: 47+42=89 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 31:[47, 8], Operations: ['46-4=42', '50-42=8'] Exploring Operation: 47*8=376, Resulting Numbers: [376] 376,31 unequal: No Solution Exploring Operation: 47+8=55, Resulting Numbers: [55] 55,31 unequal: No Solution Exploring Operation: 47-8=39, Resulting Numbers: [39] 39,31 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 31:[42, 3], Operations: ['46-4=42', '50-47=3'] Exploring Operation: 42+3=45, Resulting Numbers: [45] 45,31 unequal: No Solution Exploring Operation: 42/3=14, Resulting Numbers: [14] 14,31 unequal: No Solution Exploring Operation: 42-3=39, Resulting Numbers: [39] 39,31 unequal: No Solution Exploring Operation: 42*3=126, Resulting Numbers: [126] 126,31 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 31:[50, 5], Operations: ['46-4=42', '47-42=5'] Exploring Operation: 50*5=250, Resulting Numbers: [250] 250,31 unequal: No Solution Exploring Operation: 50-5=45, Resulting Numbers: [45] 45,31 unequal: No Solution Exploring Operation: 50/5=10, Resulting Numbers: [10] 10,31 unequal: No Solution Exploring Operation: 50+5=55, Resulting Numbers: [55] 55,31 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 31:[42, 97], Operations: ['46-4=42', '47+50=97'] Exploring Operation: 97-42=55, Resulting Numbers: [55] 55,31 unequal: No Solution Exploring Operation: 42+97=139, Resulting Numbers: [139] 139,31 unequal: No Solution Exploring Operation: 42*97=4074, Resulting Numbers: [4074] 4074,31 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 31:[50, 89], Operations: ['46-4=42', '47+42=89'] Exploring Operation: 89-50=39, Resulting Numbers: [39] 39,31 unequal: No Solution Exploring Operation: 50+89=139, Resulting Numbers: [139] 139,31 unequal: No Solution Exploring Operation: 50*89=4450, Resulting Numbers: [4450] 4450,31 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 31:[47, 46, 46], Operations: ['50-4=46'] Exploring Operation: 46-46=0, Resulting Numbers: [47, 0] Generated Node #0,4,0: 31:[47, 0] Operation: 46-46=0 Exploring Operation: 47-46=1, Resulting Numbers: [46, 1] Generated Node #0,4,1: 31:[46, 1] Operation: 47-46=1 Exploring Operation: 46/46=1, Resulting Numbers: [47, 1] Generated Node #0,4,2: 31:[47, 1] Operation: 46/46=1 Exploring Operation: 47-46=1, Resulting Numbers: [46, 1] Generated Node #0,4,3: 31:[46, 1] Operation: 47-46=1 Exploring Operation: 47+46=93, Resulting Numbers: [46, 93] Generated Node #0,4,4: 31:[46, 93] Operation: 47+46=93 Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 31:[46, 1], Operations: ['50-4=46', '47-46=1'] Exploring Operation: 46-1=45, Resulting Numbers: [45] 45,31 unequal: No Solution Exploring Operation: 46*1=46, Resulting Numbers: [46] 46,31 unequal: No Solution Exploring Operation: 46+1=47, Resulting Numbers: [47] 47,31 unequal: No Solution Exploring Operation: 46/1=46, Resulting Numbers: [46] 46,31 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 31:[46, 1], Operations: ['50-4=46', '47-46=1'] Exploring Operation: 46-1=45, Resulting Numbers: [45] 45,31 unequal: No Solution Exploring Operation: 46*1=46, Resulting Numbers: [46] 46,31 unequal: No Solution Exploring Operation: 46/1=46, Resulting Numbers: [46] 46,31 unequal: No Solution Exploring Operation: 46+1=47, Resulting Numbers: [47] 47,31 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 31:[47, 1], Operations: ['50-4=46', '46/46=1'] Exploring Operation: 47+1=48, Resulting Numbers: [48] 48,31 unequal: No Solution Exploring Operation: 47-1=46, Resulting Numbers: [46] 46,31 unequal: No Solution Exploring Operation: 47/1=47, Resulting Numbers: [47] 47,31 unequal: No Solution Exploring Operation: 47*1=47, Resulting Numbers: [47] 47,31 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 31:[47, 0], Operations: ['50-4=46', '46-46=0'] Exploring Operation: 47+0=47, Resulting Numbers: [47] 47,31 unequal: No Solution Exploring Operation: 47*0=0, Resulting Numbers: [0] 0,31 unequal: No Solution Exploring Operation: 47-0=47, Resulting Numbers: [47] 47,31 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 31:[46, 93], Operations: ['50-4=46', '47+46=93'] Exploring Operation: 93-46=47, Resulting Numbers: [47] 47,31 unequal: No Solution Exploring Operation: 46+93=139, Resulting Numbers: [139] 139,31 unequal: No Solution Exploring Operation: 46*93=4278, Resulting Numbers: [4278] 4278,31 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 31:[47, 50, 50], Operations: ['4+46=50'] Exploring Operation: 47+50=97, Resulting Numbers: [50, 97] Generated Node #0,1,0: 31:[50, 97] Operation: 47+50=97 Exploring Operation: 50-47=3, Resulting Numbers: [50, 3] Generated Node #0,1,1: 31:[50, 3] Operation: 50-47=3 Exploring Operation: 50-50=0, Resulting Numbers: [47, 0] Generated Node #0,1,2: 31:[47, 0] Operation: 50-50=0 Exploring Operation: 50-47=3, Resulting Numbers: [50, 3] Generated Node #0,1,3: 31:[50, 3] Operation: 50-47=3 Exploring Operation: 50/50=1, Resulting Numbers: [47, 1] Generated Node #0,1,4: 31:[47, 1] Operation: 50/50=1 Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 31:[47, 1], Operations: ['4+46=50', '50/50=1'] Exploring Operation: 47+1=48, Resulting Numbers: [48] 48,31 unequal: No Solution Exploring Operation: 47/1=47, Resulting Numbers: [47] 47,31 unequal: No Solution Exploring Operation: 47*1=47, Resulting Numbers: [47] 47,31 unequal: No Solution Exploring Operation: 47-1=46, Resulting Numbers: [46] 46,31 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 31:[50, 3], Operations: ['4+46=50', '50-47=3'] Exploring Operation: 50*3=150, Resulting Numbers: [150] 150,31 unequal: No Solution Exploring Operation: 50+3=53, Resulting Numbers: [53] 53,31 unequal: No Solution Exploring Operation: 50-3=47, Resulting Numbers: [47] 47,31 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 31:[47, 0], Operations: ['4+46=50', '50-50=0'] Exploring Operation: 47*0=0, Resulting Numbers: [0] 0,31 unequal: No Solution Exploring Operation: 47+0=47, Resulting Numbers: [47] 47,31 unequal: No Solution Exploring Operation: 47-0=47, Resulting Numbers: [47] 47,31 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 31:[50, 3], Operations: ['4+46=50', '50-47=3'] Exploring Operation: 50-3=47, Resulting Numbers: [47] 47,31 unequal: No Solution Exploring Operation: 50+3=53, Resulting Numbers: [53] 53,31 unequal: No Solution Exploring Operation: 50*3=150, Resulting Numbers: [150] 150,31 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 31:[50, 97], Operations: ['4+46=50', '47+50=97'] Exploring Operation: 50*97=4850, Resulting Numbers: [4850] 4850,31 unequal: No Solution Exploring Operation: 50+97=147, Resulting Numbers: [147] 147,31 unequal: No Solution Exploring Operation: 97-50=47, Resulting Numbers: [47] 47,31 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 31:[46, 50, 51], Operations: ['4+47=51'] Exploring Operation: 51-50=1, Resulting Numbers: [46, 1] Generated Node #0,3,0: 31:[46, 1] Operation: 51-50=1 Exploring Operation: 51-46=5, Resulting Numbers: [50, 5] Generated Node #0,3,1: 31:[50, 5] Operation: 51-46=5 Exploring Operation: 50-46=4, Resulting Numbers: [51, 4] Generated Node #0,3,2: 31:[51, 4] Operation: 50-46=4 Exploring Operation: 46+51=97, Resulting Numbers: [50, 97] Generated Node #0,3,3: 31:[50, 97] Operation: 46+51=97 Exploring Operation: 46+50=96, Resulting Numbers: [51, 96] Generated Node #0,3,4: 31:[51, 96] Operation: 46+50=96 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 31:[46, 1], Operations: ['4+47=51', '51-50=1'] Exploring Operation: 46-1=45, Resulting Numbers: [45] 45,31 unequal: No Solution Exploring Operation: 46/1=46, Resulting Numbers: [46] 46,31 unequal: No Solution Exploring Operation: 46+1=47, Resulting Numbers: [47] 47,31 unequal: No Solution Exploring Operation: 46*1=46, Resulting Numbers: [46] 46,31 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 31:[50, 5], Operations: ['4+47=51', '51-46=5'] Exploring Operation: 50/5=10, Resulting Numbers: [10] 10,31 unequal: No Solution Exploring Operation: 50+5=55, Resulting Numbers: [55] 55,31 unequal: No Solution Exploring Operation: 50*5=250, Resulting Numbers: [250] 250,31 unequal: No Solution Exploring Operation: 50-5=45, Resulting Numbers: [45] 45,31 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 31:[51, 4], Operations: ['4+47=51', '50-46=4'] Exploring Operation: 51+4=55, Resulting Numbers: [55] 55,31 unequal: No Solution Exploring Operation: 51-4=47, Resulting Numbers: [47] 47,31 unequal: No Solution Exploring Operation: 51*4=204, Resulting Numbers: [204] 204,31 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 31:[50, 97], Operations: ['4+47=51', '46+51=97'] Exploring Operation: 50+97=147, Resulting Numbers: [147] 147,31 unequal: No Solution Exploring Operation: 97-50=47, Resulting Numbers: [47] 47,31 unequal: No Solution Exploring Operation: 50*97=4850, Resulting Numbers: [4850] 4850,31 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 31:[51, 96], Operations: ['4+47=51', '46+50=96'] Exploring Operation: 51+96=147, Resulting Numbers: [147] 147,31 unequal: No Solution Exploring Operation: 51*96=4896, Resulting Numbers: [4896] 4896,31 unequal: No Solution Exploring Operation: 96-51=45, Resulting Numbers: [45] 45,31 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
mult_heuristic
[ 31, 17, 4, 7 ]
12
[ "31+4=35", "35/7=5", "17-5=12" ]
Current State: 12:[31, 17, 4, 7], Operations: [] Exploring Operation: 31+4=35, Resulting Numbers: [17, 7, 35] Generated Node #2: [17, 7, 35] from Operation: 31+4=35 Current State: 12:[17, 7, 35], Operations: ['31+4=35'] Exploring Operation: 35/7=5, Resulting Numbers: [17, 5] Generated Node #3: [17, 5] from Operation: 35/7=5 Current State: 12:[17, 5], Operations: ['31+4=35', '35/7=5'] Exploring Operation: 17-5=12, Resulting Numbers: [12] 12,12 equal: Goal Reached
4
Current State: 12:[31, 17, 4, 7], Operations: [] Exploring Operation: 17-4=13, Resulting Numbers: [31, 7, 13] Generated Node #0,0: 12:[31, 7, 13] Operation: 17-4=13 Exploring Operation: 31-7=24, Resulting Numbers: [17, 4, 24] Generated Node #0,1: 12:[17, 4, 24] Operation: 31-7=24 Exploring Operation: 31-17=14, Resulting Numbers: [4, 7, 14] Generated Node #0,2: 12:[4, 7, 14] Operation: 31-17=14 Exploring Operation: 31-4=27, Resulting Numbers: [17, 7, 27] Generated Node #0,3: 12:[17, 7, 27] Operation: 31-4=27 Start Sub Search at level 1: Moving to Node #0,2 Current State: 12:[4, 7, 14], Operations: ['31-17=14'] Exploring Operation: 14-7=7, Resulting Numbers: [4, 7] Generated Node #0,2,0: 12:[4, 7] Operation: 14-7=7 Exploring Operation: 14/7=2, Resulting Numbers: [4, 2] Generated Node #0,2,1: 12:[4, 2] Operation: 14/7=2 Exploring Operation: 4+7=11, Resulting Numbers: [14, 11] Generated Node #0,2,2: 12:[14, 11] Operation: 4+7=11 Exploring Operation: 7-4=3, Resulting Numbers: [14, 3] Generated Node #0,2,3: 12:[14, 3] Operation: 7-4=3 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 12:[4, 2], Operations: ['31-17=14', '14/7=2'] Exploring Operation: 4-2=2, Resulting Numbers: [2] 2,12 unequal: No Solution Exploring Operation: 4/2=2, Resulting Numbers: [2] 2,12 unequal: No Solution Exploring Operation: 4+2=6, Resulting Numbers: [6] 6,12 unequal: No Solution Exploring Operation: 4*2=8, Resulting Numbers: [8] 8,12 unequal: No Solution No 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: 12:[4, 7], Operations: ['31-17=14', '14-7=7'] Exploring Operation: 7-4=3, Resulting Numbers: [3] 3,12 unequal: No Solution Exploring Operation: 4+7=11, Resulting Numbers: [11] 11,12 unequal: No Solution Exploring Operation: 4*7=28, Resulting Numbers: [28] 28,12 unequal: No Solution No 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: 12:[14, 3], Operations: ['31-17=14', '7-4=3'] Exploring Operation: 14-3=11, Resulting Numbers: [11] 11,12 unequal: No Solution Exploring Operation: 14+3=17, Resulting Numbers: [17] 17,12 unequal: No Solution Exploring Operation: 14*3=42, Resulting Numbers: [42] 42,12 unequal: No Solution No 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: 12:[14, 11], Operations: ['31-17=14', '4+7=11'] Exploring Operation: 14-11=3, Resulting Numbers: [3] 3,12 unequal: No Solution Exploring Operation: 14*11=154, Resulting Numbers: [154] 154,12 unequal: No Solution Exploring Operation: 14+11=25, Resulting Numbers: [25] 25,12 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: 12:[17, 4, 24], Operations: ['31-7=24'] Exploring Operation: 17-4=13, Resulting Numbers: [24, 13] Generated Node #0,1,0: 12:[24, 13] Operation: 17-4=13 Exploring Operation: 24-17=7, Resulting Numbers: [4, 7] Generated Node #0,1,1: 12:[4, 7] Operation: 24-17=7 Exploring Operation: 24-4=20, Resulting Numbers: [17, 20] Generated Node #0,1,2: 12:[17, 20] Operation: 24-4=20 Exploring Operation: 24/4=6, Resulting Numbers: [17, 6] Generated Node #0,1,3: 12:[17, 6] Operation: 24/4=6 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 12:[4, 7], Operations: ['31-7=24', '24-17=7'] Exploring Operation: 4+7=11, Resulting Numbers: [11] 11,12 unequal: No Solution Exploring Operation: 7-4=3, Resulting Numbers: [3] 3,12 unequal: No Solution Exploring Operation: 4*7=28, Resulting Numbers: [28] 28,12 unequal: No Solution No 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: 12:[17, 6], Operations: ['31-7=24', '24/4=6'] Exploring Operation: 17-6=11, Resulting Numbers: [11] 11,12 unequal: No Solution Exploring Operation: 17*6=102, Resulting Numbers: [102] 102,12 unequal: No Solution Exploring Operation: 17+6=23, Resulting Numbers: [23] 23,12 unequal: No Solution No 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: 12:[24, 13], Operations: ['31-7=24', '17-4=13'] Exploring Operation: 24+13=37, Resulting Numbers: [37] 37,12 unequal: No Solution Exploring Operation: 24*13=312, Resulting Numbers: [312] 312,12 unequal: No Solution Exploring Operation: 24-13=11, Resulting Numbers: [11] 11,12 unequal: No Solution No 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: 12:[17, 20], Operations: ['31-7=24', '24-4=20'] Exploring Operation: 17*20=340, Resulting Numbers: [340] 340,12 unequal: No Solution Exploring Operation: 17+20=37, Resulting Numbers: [37] 37,12 unequal: No Solution Exploring Operation: 20-17=3, Resulting Numbers: [3] 3,12 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: 12:[31, 7, 13], Operations: ['17-4=13'] Exploring Operation: 31-7=24, Resulting Numbers: [13, 24] Generated Node #0,0,0: 12:[13, 24] Operation: 31-7=24 Exploring Operation: 31+7=38, Resulting Numbers: [13, 38] Generated Node #0,0,1: 12:[13, 38] Operation: 31+7=38 Exploring Operation: 31-13=18, Resulting Numbers: [7, 18] Generated Node #0,0,2: 12:[7, 18] Operation: 31-13=18 Exploring Operation: 13-7=6, Resulting Numbers: [31, 6] Generated Node #0,0,3: 12:[31, 6] Operation: 13-7=6 Moving to Node #0,0,2 Current State: 12:[7, 18], Operations: ['17-4=13', '31-13=18'] Exploring Operation: 7*18=126, Resulting Numbers: [126] 126,12 unequal: No Solution Exploring Operation: 7+18=25, Resulting Numbers: [25] 25,12 unequal: No Solution Exploring Operation: 18-7=11, Resulting Numbers: [11] 11,12 unequal: No Solution Moving to Node #0,0,0 Current State: 12:[13, 24], Operations: ['17-4=13', '31-7=24'] Exploring Operation: 13*24=312, Resulting Numbers: [312] 312,12 unequal: No Solution Exploring Operation: 24-13=11, Resulting Numbers: [11] 11,12 unequal: No Solution Exploring Operation: 13+24=37, Resulting Numbers: [37] 37,12 unequal: No Solution Moving to Node #0,0,3 Current State: 12:[31, 6], Operations: ['17-4=13', '13-7=6'] Exploring Operation: 31*6=186, Resulting Numbers: [186] 186,12 unequal: No Solution Exploring Operation: 31-6=25, Resulting Numbers: [25] 25,12 unequal: No Solution Exploring Operation: 31+6=37, Resulting Numbers: [37] 37,12 unequal: No Solution Moving to Node #0,0,1 Current State: 12:[13, 38], Operations: ['17-4=13', '31+7=38'] Exploring Operation: 38-13=25, Resulting Numbers: [25] 25,12 unequal: No Solution Exploring Operation: 13+38=51, Resulting Numbers: [51] 51,12 unequal: No Solution Exploring Operation: 13*38=494, Resulting Numbers: [494] 494,12 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 12:[17, 7, 27], Operations: ['31-4=27'] Exploring Operation: 17-7=10, Resulting Numbers: [27, 10] Generated Node #0,3,0: 12:[27, 10] Operation: 17-7=10 Exploring Operation: 27-17=10, Resulting Numbers: [7, 10] Generated Node #0,3,1: 12:[7, 10] Operation: 27-17=10 Exploring Operation: 17+7=24, Resulting Numbers: [27, 24] Generated Node #0,3,2: 12:[27, 24] Operation: 17+7=24 Exploring Operation: 27-7=20, Resulting Numbers: [17, 20] Generated Node #0,3,3: 12:[17, 20] Operation: 27-7=20 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 12:[7, 10], Operations: ['31-4=27', '27-17=10'] Exploring Operation: 10-7=3, Resulting Numbers: [3] 3,12 unequal: No Solution Exploring Operation: 7+10=17, Resulting Numbers: [17] 17,12 unequal: No Solution Exploring Operation: 7*10=70, Resulting Numbers: [70] 70,12 unequal: No Solution No 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: 12:[17, 20], Operations: ['31-4=27', '27-7=20'] Exploring Operation: 17*20=340, Resulting Numbers: [340] 340,12 unequal: No Solution Exploring Operation: 17+20=37, Resulting Numbers: [37] 37,12 unequal: No Solution Exploring Operation: 20-17=3, Resulting Numbers: [3] 3,12 unequal: No Solution No 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: 12:[27, 10], Operations: ['31-4=27', '17-7=10'] Exploring Operation: 27+10=37, Resulting Numbers: [37] 37,12 unequal: No Solution Exploring Operation: 27*10=270, Resulting Numbers: [270] 270,12 unequal: No Solution Exploring Operation: 27-10=17, Resulting Numbers: [17] 17,12 unequal: No Solution No 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: 12:[27, 24], Operations: ['31-4=27', '17+7=24'] Exploring Operation: 27-24=3, Resulting Numbers: [3] 3,12 unequal: No Solution Exploring Operation: 27+24=51, Resulting Numbers: [51] 51,12 unequal: No Solution Exploring Operation: 27*24=648, Resulting Numbers: [648] 648,12 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
sum_heuristic
[ 65, 3, 56, 89 ]
16
[ "89-65=24", "3*24=72", "72-56=16" ]
Current State: 16:[65, 3, 56, 89], Operations: [] Exploring Operation: 89-65=24, Resulting Numbers: [3, 56, 24] Generated Node #2: [3, 56, 24] from Operation: 89-65=24 Current State: 16:[3, 56, 24], Operations: ['89-65=24'] Exploring Operation: 3*24=72, Resulting Numbers: [56, 72] Generated Node #3: [56, 72] from Operation: 3*24=72 Current State: 16:[56, 72], Operations: ['89-65=24', '3*24=72'] Exploring Operation: 72-56=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[65, 3, 56, 89], Operations: [] Exploring Operation: 89-65=24, Resulting Numbers: [3, 56, 24] Generated Node #0,0: 16:[3, 56, 24] Operation: 89-65=24 Exploring Operation: 89-56=33, Resulting Numbers: [65, 3, 33] Generated Node #0,1: 16:[65, 3, 33] Operation: 89-56=33 Start Sub Search at level 1: Moving to Node #0,0 Current State: 16:[3, 56, 24], Operations: ['89-65=24'] Exploring Operation: 24/3=8, Resulting Numbers: [56, 8] Generated Node #0,0,0: 16:[56, 8] Operation: 24/3=8 Exploring Operation: 56-24=32, Resulting Numbers: [3, 32] Generated Node #0,0,1: 16:[3, 32] Operation: 56-24=32 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 16:[3, 32], Operations: ['89-65=24', '56-24=32'] Exploring Operation: 32-3=29, Resulting Numbers: [29] 29,16 unequal: No Solution Exploring Operation: 3+32=35, Resulting Numbers: [35] 35,16 unequal: No Solution No 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: 16:[56, 8], Operations: ['89-65=24', '24/3=8'] Exploring Operation: 56-8=48, Resulting Numbers: [48] 48,16 unequal: No Solution Exploring Operation: 56/8=7, Resulting Numbers: [7] 7,16 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 16:[65, 3, 33], Operations: ['89-56=33'] Exploring Operation: 65-33=32, Resulting Numbers: [3, 32] Generated Node #0,1,0: 16:[3, 32] Operation: 65-33=32 Exploring Operation: 33/3=11, Resulting Numbers: [65, 11] Generated Node #0,1,1: 16:[65, 11] Operation: 33/3=11 Moving to Node #0,1,0 Current State: 16:[3, 32], Operations: ['89-56=33', '65-33=32'] Exploring Operation: 32-3=29, Resulting Numbers: [29] 29,16 unequal: No Solution Exploring Operation: 3+32=35, Resulting Numbers: [35] 35,16 unequal: No Solution Moving to Node #0,1,1 Current State: 16:[65, 11], Operations: ['89-56=33', '33/3=11'] Exploring Operation: 65+11=76, Resulting Numbers: [76] 76,16 unequal: No Solution Exploring Operation: 65-11=54, Resulting Numbers: [54] 54,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 15, 56, 31, 76 ]
66
[ "56-15=41", "31+76=107", "107-41=66" ]
Current State: 66:[15, 56, 31, 76], Operations: [] Exploring Operation: 56-15=41, Resulting Numbers: [31, 76, 41] Generated Node #2: [31, 76, 41] from Operation: 56-15=41 Current State: 66:[31, 76, 41], Operations: ['56-15=41'] Exploring Operation: 31+76=107, Resulting Numbers: [41, 107] Generated Node #3: [41, 107] from Operation: 31+76=107 Current State: 66:[41, 107], Operations: ['56-15=41', '31+76=107'] Exploring Operation: 107-41=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
4
Current State: 66:[15, 56, 31, 76], Operations: [] Exploring Operation: 76-56=20, Resulting Numbers: [15, 31, 20] Generated Node #0,0: 66:[15, 31, 20] Operation: 76-56=20 Moving to Node #0,0 Current State: 66:[15, 31, 20], Operations: ['76-56=20'] Exploring Operation: 20-15=5, Resulting Numbers: [31, 5] Generated Node #0,0,0: 66:[31, 5] Operation: 20-15=5 Moving to Node #0,0,0 Current State: 66:[31, 5], Operations: ['76-56=20', '20-15=5'] Exploring Operation: 31+5=36, Resulting Numbers: [36] 36,66 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 97, 90, 55, 21 ]
83
[ "97-90=7", "55+21=76", "7+76=83" ]
Current State: 83:[97, 90, 55, 21], Operations: [] Exploring Operation: 97-90=7, Resulting Numbers: [55, 21, 7] Generated Node #2: [55, 21, 7] from Operation: 97-90=7 Current State: 83:[55, 21, 7], Operations: ['97-90=7'] Exploring Operation: 55+21=76, Resulting Numbers: [7, 76] Generated Node #3: [7, 76] from Operation: 55+21=76 Current State: 83:[7, 76], Operations: ['97-90=7', '55+21=76'] Exploring Operation: 7+76=83, Resulting Numbers: [83] 83,83 equal: Goal Reached
4
Current State: 83:[97, 90, 55, 21], Operations: [] Exploring Operation: 90-21=69, Resulting Numbers: [97, 55, 69] Generated Node #0,0: 83:[97, 55, 69] Operation: 90-21=69 Exploring Operation: 97+21=118, Resulting Numbers: [90, 55, 118] Generated Node #0,1: 83:[90, 55, 118] Operation: 97+21=118 Exploring Operation: 97-21=76, Resulting Numbers: [90, 55, 76] Generated Node #0,2: 83:[90, 55, 76] Operation: 97-21=76 Exploring Operation: 55+21=76, Resulting Numbers: [97, 90, 76] Generated Node #0,3: 83:[97, 90, 76] Operation: 55+21=76 Start Sub Search at level 1: Moving to Node #0,3 Current State: 83:[97, 90, 76], Operations: ['55+21=76'] Exploring Operation: 90-76=14, Resulting Numbers: [97, 14] Generated Node #0,3,0: 83:[97, 14] Operation: 90-76=14 Exploring Operation: 97-90=7, Resulting Numbers: [76, 7] Generated Node #0,3,1: 83:[76, 7] Operation: 97-90=7 Exploring Operation: 97+76=173, Resulting Numbers: [90, 173] Generated Node #0,3,2: 83:[90, 173] Operation: 97+76=173 Exploring Operation: 97-76=21, Resulting Numbers: [90, 21] Generated Node #0,3,3: 83:[90, 21] Operation: 97-76=21 Moving to Node #0,3,3 Current State: 83:[90, 21], Operations: ['55+21=76', '97-76=21'] Exploring Operation: 90-21=69, Resulting Numbers: [69] 69,83 unequal: No Solution Exploring Operation: 90*21=1890, Resulting Numbers: [1890] 1890,83 unequal: No Solution Exploring Operation: 90+21=111, Resulting Numbers: [111] 111,83 unequal: No Solution Moving to Node #0,3,1 Current State: 83:[76, 7], Operations: ['55+21=76', '97-90=7'] Exploring Operation: 76*7=532, Resulting Numbers: [532] 532,83 unequal: No Solution Exploring Operation: 76+7=83, Resulting Numbers: [83] 83,83 equal: Goal Reached Moving to Node #0 Current State: 83:[97, 90, 55, 21], Operations: [] Exploring Operation: 55+21=76, Resulting Numbers: [97, 90, 76] Generated Node #0,3: 83:[97, 90, 76] Operation: 55+21=76 Moving to Node #0,3 Current State: 83:[97, 90, 76], Operations: ['55+21=76'] Exploring Operation: 97-90=7, Resulting Numbers: [76, 7] Generated Node #0,3,1: 83:[76, 7] Operation: 97-90=7 Moving to Node #0,3,1 Current State: 83:[76, 7], Operations: ['55+21=76', '97-90=7'] Exploring Operation: 76+7=83, Resulting Numbers: [83] 83,83 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_4
sum_heuristic
[ 11, 41, 16, 21 ]
39
[ "11+21=32", "32/16=2", "41-2=39" ]
Current State: 39:[11, 41, 16, 21], Operations: [] Exploring Operation: 11+21=32, Resulting Numbers: [41, 16, 32] Generated Node #2: [41, 16, 32] from Operation: 11+21=32 Current State: 39:[41, 16, 32], Operations: ['11+21=32'] Exploring Operation: 32/16=2, Resulting Numbers: [41, 2] Generated Node #3: [41, 2] from Operation: 32/16=2 Current State: 39:[41, 2], Operations: ['11+21=32', '32/16=2'] Exploring Operation: 41-2=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
4
Current State: 39:[11, 41, 16, 21], Operations: [] Exploring Operation: 16+21=37, Resulting Numbers: [11, 41, 37] Generated Node #0,0: 39:[11, 41, 37] Operation: 16+21=37 Moving to Node #0,0 Current State: 39:[11, 41, 37], Operations: ['16+21=37'] Exploring Operation: 41-37=4, Resulting Numbers: [11, 4] Generated Node #0,0,0: 39:[11, 4] Operation: 41-37=4 Moving to Node #0,0,0 Current State: 39:[11, 4], Operations: ['16+21=37', '41-37=4'] Exploring Operation: 11+4=15, Resulting Numbers: [15] 15,39 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 58, 30, 7, 8 ]
62
[ "58*8=464", "464-30=434", "434/7=62" ]
Current State: 62:[58, 30, 7, 8], Operations: [] Exploring Operation: 58*8=464, Resulting Numbers: [30, 7, 464] Generated Node #2: [30, 7, 464] from Operation: 58*8=464 Current State: 62:[30, 7, 464], Operations: ['58*8=464'] Exploring Operation: 464-30=434, Resulting Numbers: [7, 434] Generated Node #3: [7, 434] from Operation: 464-30=434 Current State: 62:[7, 434], Operations: ['58*8=464', '464-30=434'] Exploring Operation: 434/7=62, Resulting Numbers: [62] 62,62 equal: Goal Reached
4
Current State: 62:[58, 30, 7, 8], Operations: [] Exploring Operation: 8-7=1, Resulting Numbers: [58, 30, 1] Generated Node #0,0: 62:[58, 30, 1] Operation: 8-7=1 Moving to Node #0,0 Current State: 62:[58, 30, 1], Operations: ['8-7=1'] Exploring Operation: 58-30=28, Resulting Numbers: [1, 28] Generated Node #0,0,0: 62:[1, 28] Operation: 58-30=28 Moving to Node #0,0,0 Current State: 62:[1, 28], Operations: ['8-7=1', '58-30=28'] Exploring Operation: 1+28=29, Resulting Numbers: [29] 29,62 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 48, 30, 55, 38 ]
56
[ "55-48=7", "38-30=8", "7*8=56" ]
Current State: 56:[48, 30, 55, 38], Operations: [] Exploring Operation: 55-48=7, Resulting Numbers: [30, 38, 7] Generated Node #2: [30, 38, 7] from Operation: 55-48=7 Current State: 56:[30, 38, 7], Operations: ['55-48=7'] Exploring Operation: 38-30=8, Resulting Numbers: [7, 8] Generated Node #3: [7, 8] from Operation: 38-30=8 Current State: 56:[7, 8], Operations: ['55-48=7', '38-30=8'] Exploring Operation: 7*8=56, Resulting Numbers: [56] 56,56 equal: Goal Reached
4
Current State: 56:[48, 30, 55, 38], Operations: [] Exploring Operation: 38-30=8, Resulting Numbers: [48, 55, 8] Generated Node #0,0: 56:[48, 55, 8] Operation: 38-30=8 Exploring Operation: 55-48=7, Resulting Numbers: [30, 38, 7] Generated Node #0,1: 56:[30, 38, 7] Operation: 55-48=7 Exploring Operation: 48-38=10, Resulting Numbers: [30, 55, 10] Generated Node #0,2: 56:[30, 55, 10] Operation: 48-38=10 Moving to Node #0,2 Current State: 56:[30, 55, 10], Operations: ['48-38=10'] Exploring Operation: 55-30=25, Resulting Numbers: [10, 25] Generated Node #0,2,0: 56:[10, 25] Operation: 55-30=25 Exploring Operation: 30-10=20, Resulting Numbers: [55, 20] Generated Node #0,2,1: 56:[55, 20] Operation: 30-10=20 Exploring Operation: 30/10=3, Resulting Numbers: [55, 3] Generated Node #0,2,2: 56:[55, 3] Operation: 30/10=3 Moving to Node #0,0 Current State: 56:[48, 55, 8], Operations: ['38-30=8'] Exploring Operation: 55-48=7, Resulting Numbers: [8, 7] Generated Node #0,0,0: 56:[8, 7] Operation: 55-48=7 Exploring Operation: 48+8=56, Resulting Numbers: [55, 56] Generated Node #0,0,1: 56:[55, 56] Operation: 48+8=56 Exploring Operation: 48/8=6, Resulting Numbers: [55, 6] Generated Node #0,0,2: 56:[55, 6] Operation: 48/8=6 Moving to Node #0,1 Current State: 56:[30, 38, 7], Operations: ['55-48=7'] Exploring Operation: 38-7=31, Resulting Numbers: [30, 31] Generated Node #0,1,0: 56:[30, 31] Operation: 38-7=31 Exploring Operation: 38-30=8, Resulting Numbers: [7, 8] Generated Node #0,1,1: 56:[7, 8] Operation: 38-30=8 Exploring Operation: 30+38=68, Resulting Numbers: [7, 68] Generated Node #0,1,2: 56:[7, 68] Operation: 30+38=68 Moving to Node #0,0,0 Current State: 56:[8, 7], Operations: ['38-30=8', '55-48=7'] Exploring Operation: 8-7=1, Resulting Numbers: [1] 1,56 unequal: No Solution Exploring Operation: 8*7=56, Resulting Numbers: [56] 56,56 equal: Goal Reached Moving to Node #0 Current State: 56:[48, 30, 55, 38], Operations: [] Exploring Operation: 38-30=8, Resulting Numbers: [48, 55, 8] Generated Node #0,0: 56:[48, 55, 8] Operation: 38-30=8 Moving to Node #0,0 Current State: 56:[48, 55, 8], Operations: ['38-30=8'] Exploring Operation: 55-48=7, Resulting Numbers: [8, 7] Generated Node #0,0,0: 56:[8, 7] Operation: 55-48=7 Moving to Node #0,0,0 Current State: 56:[8, 7], Operations: ['38-30=8', '55-48=7'] Exploring Operation: 8*7=56, Resulting Numbers: [56] 56,56 equal: Goal Reached
0.984375
hs_3
sum_heuristic
[ 24, 85, 82, 52 ]
79
[ "24+85=109", "82-52=30", "109-30=79" ]
Current State: 79:[24, 85, 82, 52], Operations: [] Exploring Operation: 24+85=109, Resulting Numbers: [82, 52, 109] Generated Node #2: [82, 52, 109] from Operation: 24+85=109 Current State: 79:[82, 52, 109], Operations: ['24+85=109'] Exploring Operation: 82-52=30, Resulting Numbers: [109, 30] Generated Node #3: [109, 30] from Operation: 82-52=30 Current State: 79:[109, 30], Operations: ['24+85=109', '82-52=30'] Exploring Operation: 109-30=79, Resulting Numbers: [79] 79,79 equal: Goal Reached
4
Current State: 79:[24, 85, 82, 52], Operations: [] Exploring Operation: 24+52=76, Resulting Numbers: [85, 82, 76] Generated Node #0,0: 79:[85, 82, 76] Operation: 24+52=76 Exploring Operation: 85-24=61, Resulting Numbers: [82, 52, 61] Generated Node #0,1: 79:[82, 52, 61] Operation: 85-24=61 Exploring Operation: 24+85=109, Resulting Numbers: [82, 52, 109] Generated Node #0,2: 79:[82, 52, 109] Operation: 24+85=109 Exploring Operation: 82-24=58, Resulting Numbers: [85, 52, 58] Generated Node #0,3: 79:[85, 52, 58] Operation: 82-24=58 Moving to Node #0,0 Current State: 79:[85, 82, 76], Operations: ['24+52=76'] Exploring Operation: 85+76=161, Resulting Numbers: [82, 161] Generated Node #0,0,0: 79:[82, 161] Operation: 85+76=161 Exploring Operation: 82-76=6, Resulting Numbers: [85, 6] Generated Node #0,0,1: 79:[85, 6] Operation: 82-76=6 Exploring Operation: 85-76=9, Resulting Numbers: [82, 9] Generated Node #0,0,2: 79:[82, 9] Operation: 85-76=9 Exploring Operation: 85-82=3, Resulting Numbers: [76, 3] Generated Node #0,0,3: 79:[76, 3] Operation: 85-82=3 Moving to Node #0,1 Current State: 79:[82, 52, 61], Operations: ['85-24=61'] Exploring Operation: 82-52=30, Resulting Numbers: [61, 30] Generated Node #0,1,0: 79:[61, 30] Operation: 82-52=30 Exploring Operation: 52+61=113, Resulting Numbers: [82, 113] Generated Node #0,1,1: 79:[82, 113] Operation: 52+61=113 Exploring Operation: 61-52=9, Resulting Numbers: [82, 9] Generated Node #0,1,2: 79:[82, 9] Operation: 61-52=9 Exploring Operation: 82+52=134, Resulting Numbers: [61, 134] Generated Node #0,1,3: 79:[61, 134] Operation: 82+52=134 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 79:[82, 113], Operations: ['85-24=61', '52+61=113'] Exploring Operation: 113-82=31, Resulting Numbers: [31] 31,79 unequal: No Solution Exploring Operation: 82+113=195, Resulting Numbers: [195] 195,79 unequal: No Solution Exploring Operation: 82*113=9266, Resulting Numbers: [9266] 9266,79 unequal: No Solution No 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: 79:[61, 30], Operations: ['85-24=61', '82-52=30'] Exploring Operation: 61-30=31, Resulting Numbers: [31] 31,79 unequal: No Solution Exploring Operation: 61+30=91, Resulting Numbers: [91] 91,79 unequal: No Solution Exploring Operation: 61*30=1830, Resulting Numbers: [1830] 1830,79 unequal: No Solution No 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: 79:[82, 9], Operations: ['85-24=61', '61-52=9'] Exploring Operation: 82-9=73, Resulting Numbers: [73] 73,79 unequal: No Solution Exploring Operation: 82*9=738, Resulting Numbers: [738] 738,79 unequal: No Solution Exploring Operation: 82+9=91, Resulting Numbers: [91] 91,79 unequal: No Solution No 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: 79:[61, 134], Operations: ['85-24=61', '82+52=134'] Exploring Operation: 61*134=8174, Resulting Numbers: [8174] 8174,79 unequal: No Solution Exploring Operation: 134-61=73, Resulting Numbers: [73] 73,79 unequal: No Solution Exploring Operation: 61+134=195, Resulting Numbers: [195] 195,79 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: 79:[85, 52, 58], Operations: ['82-24=58'] Exploring Operation: 52+58=110, Resulting Numbers: [85, 110] Generated Node #0,3,0: 79:[85, 110] Operation: 52+58=110 Exploring Operation: 85+52=137, Resulting Numbers: [58, 137] Generated Node #0,3,1: 79:[58, 137] Operation: 85+52=137 Exploring Operation: 85-58=27, Resulting Numbers: [52, 27] Generated Node #0,3,2: 79:[52, 27] Operation: 85-58=27 Exploring Operation: 85-52=33, Resulting Numbers: [58, 33] Generated Node #0,3,3: 79:[58, 33] Operation: 85-52=33 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 79:[85, 110], Operations: ['82-24=58', '52+58=110'] Exploring Operation: 85*110=9350, Resulting Numbers: [9350] 9350,79 unequal: No Solution Exploring Operation: 85+110=195, Resulting Numbers: [195] 195,79 unequal: No Solution Exploring Operation: 110-85=25, Resulting Numbers: [25] 25,79 unequal: No Solution No 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: 79:[58, 33], Operations: ['82-24=58', '85-52=33'] Exploring Operation: 58*33=1914, Resulting Numbers: [1914] 1914,79 unequal: No Solution Exploring Operation: 58-33=25, Resulting Numbers: [25] 25,79 unequal: No Solution Exploring Operation: 58+33=91, Resulting Numbers: [91] 91,79 unequal: No Solution No 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: 79:[58, 137], Operations: ['82-24=58', '85+52=137'] Exploring Operation: 58*137=7946, Resulting Numbers: [7946] 7946,79 unequal: No Solution Exploring Operation: 58+137=195, Resulting Numbers: [195] 195,79 unequal: No Solution Exploring Operation: 137-58=79, Resulting Numbers: [79] 79,79 equal: Goal Reached Moving to Node #0 Current State: 79:[24, 85, 82, 52], Operations: [] Exploring Operation: 82-24=58, Resulting Numbers: [85, 52, 58] Generated Node #0,3: 79:[85, 52, 58] Operation: 82-24=58 Moving to Node #0,3 Current State: 79:[85, 52, 58], Operations: ['82-24=58'] Exploring Operation: 85+52=137, Resulting Numbers: [58, 137] Generated Node #0,3,1: 79:[58, 137] Operation: 85+52=137 Moving to Node #0,3,1 Current State: 79:[58, 137], Operations: ['82-24=58', '85+52=137'] Exploring Operation: 137-58=79, Resulting Numbers: [79] 79,79 equal: Goal Reached Exit Sub Search at level 1
0.96441
hs_4
mult_heuristic
[ 70, 84, 65, 10 ]
89
[ "84-70=14", "65+10=75", "14+75=89" ]
Current State: 89:[70, 84, 65, 10], Operations: [] Exploring Operation: 84-70=14, Resulting Numbers: [65, 10, 14] Generated Node #2: [65, 10, 14] from Operation: 84-70=14 Current State: 89:[65, 10, 14], Operations: ['84-70=14'] Exploring Operation: 65+10=75, Resulting Numbers: [14, 75] Generated Node #3: [14, 75] from Operation: 65+10=75 Current State: 89:[14, 75], Operations: ['84-70=14', '65+10=75'] Exploring Operation: 14+75=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
4
Current State: 89:[70, 84, 65, 10], Operations: [] Exploring Operation: 84+10=94, Resulting Numbers: [70, 65, 94] Generated Node #0,0: 89:[70, 65, 94] Operation: 84+10=94 Exploring Operation: 65+10=75, Resulting Numbers: [70, 84, 75] Generated Node #0,1: 89:[70, 84, 75] Operation: 65+10=75 Exploring Operation: 70+10=80, Resulting Numbers: [84, 65, 80] Generated Node #0,2: 89:[84, 65, 80] Operation: 70+10=80 Exploring Operation: 70-10=60, Resulting Numbers: [84, 65, 60] Generated Node #0,3: 89:[84, 65, 60] Operation: 70-10=60 Start Sub Search at level 1: Moving to Node #0,1 Current State: 89:[70, 84, 75], Operations: ['65+10=75'] Exploring Operation: 70+84=154, Resulting Numbers: [75, 154] Generated Node #0,1,0: 89:[75, 154] Operation: 70+84=154 Exploring Operation: 70+75=145, Resulting Numbers: [84, 145] Generated Node #0,1,1: 89:[84, 145] Operation: 70+75=145 Exploring Operation: 84-70=14, Resulting Numbers: [75, 14] Generated Node #0,1,2: 89:[75, 14] Operation: 84-70=14 Exploring Operation: 75-70=5, Resulting Numbers: [84, 5] Generated Node #0,1,3: 89:[84, 5] Operation: 75-70=5 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 89:[84, 145], Operations: ['65+10=75', '70+75=145'] Exploring Operation: 84*145=12180, Resulting Numbers: [12180] 12180,89 unequal: No Solution Exploring Operation: 145-84=61, Resulting Numbers: [61] 61,89 unequal: No Solution Exploring Operation: 84+145=229, Resulting Numbers: [229] 229,89 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 89:[75, 154], Operations: ['65+10=75', '70+84=154'] Exploring Operation: 154-75=79, Resulting Numbers: [79] 79,89 unequal: No Solution Exploring Operation: 75+154=229, Resulting Numbers: [229] 229,89 unequal: No Solution Exploring Operation: 75*154=11550, Resulting Numbers: [11550] 11550,89 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 89:[75, 14], Operations: ['65+10=75', '84-70=14'] Exploring Operation: 75*14=1050, Resulting Numbers: [1050] 1050,89 unequal: No Solution Exploring Operation: 75-14=61, Resulting Numbers: [61] 61,89 unequal: No Solution Exploring Operation: 75+14=89, Resulting Numbers: [89] 89,89 equal: Goal Reached Moving to Node #0 Current State: 89:[70, 84, 65, 10], Operations: [] Exploring Operation: 65+10=75, Resulting Numbers: [70, 84, 75] Generated Node #0,1: 89:[70, 84, 75] Operation: 65+10=75 Moving to Node #0,1 Current State: 89:[70, 84, 75], Operations: ['65+10=75'] Exploring Operation: 84-70=14, Resulting Numbers: [75, 14] Generated Node #0,1,2: 89:[75, 14] Operation: 84-70=14 Moving to Node #0,1,2 Current State: 89:[75, 14], Operations: ['65+10=75', '84-70=14'] Exploring Operation: 75+14=89, Resulting Numbers: [89] 89,89 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.981771
hs_4
sum_heuristic
[ 4, 44, 65, 59 ]
52
[ "4*44=176", "65+59=124", "176-124=52" ]
Current State: 52:[4, 44, 65, 59], Operations: [] Exploring Operation: 4*44=176, Resulting Numbers: [65, 59, 176] Generated Node #2: [65, 59, 176] from Operation: 4*44=176 Current State: 52:[65, 59, 176], Operations: ['4*44=176'] Exploring Operation: 65+59=124, Resulting Numbers: [176, 124] Generated Node #3: [176, 124] from Operation: 65+59=124 Current State: 52:[176, 124], Operations: ['4*44=176', '65+59=124'] Exploring Operation: 176-124=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[4, 44, 65, 59], Operations: [] Exploring Operation: 65-59=6, Resulting Numbers: [4, 44, 6] Generated Node #0,0: 52:[4, 44, 6] Operation: 65-59=6 Exploring Operation: 65-44=21, Resulting Numbers: [4, 59, 21] Generated Node #0,1: 52:[4, 59, 21] Operation: 65-44=21 Start Sub Search at level 1: Moving to Node #0,0 Current State: 52:[4, 44, 6], Operations: ['65-59=6'] Exploring Operation: 44/4=11, Resulting Numbers: [6, 11] Generated Node #0,0,0: 52:[6, 11] Operation: 44/4=11 Exploring Operation: 44+6=50, Resulting Numbers: [4, 50] Generated Node #0,0,1: 52:[4, 50] Operation: 44+6=50 Moving to Node #0,0,1 Current State: 52:[4, 50], Operations: ['65-59=6', '44+6=50'] Exploring Operation: 50-4=46, Resulting Numbers: [46] 46,52 unequal: No Solution Exploring Operation: 4+50=54, Resulting Numbers: [54] 54,52 unequal: No Solution Moving to Node #0,0,0 Current State: 52:[6, 11], Operations: ['65-59=6', '44/4=11'] Exploring Operation: 6+11=17, Resulting Numbers: [17] 17,52 unequal: No Solution Exploring Operation: 11-6=5, Resulting Numbers: [5] 5,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 52:[4, 59, 21], Operations: ['65-44=21'] Exploring Operation: 4+21=25, Resulting Numbers: [59, 25] Generated Node #0,1,0: 52:[59, 25] Operation: 4+21=25 Exploring Operation: 59-4=55, Resulting Numbers: [21, 55] Generated Node #0,1,1: 52:[21, 55] Operation: 59-4=55 Moving to Node #0,1,0 Current State: 52:[59, 25], Operations: ['65-44=21', '4+21=25'] Exploring Operation: 59+25=84, Resulting Numbers: [84] 84,52 unequal: No Solution Exploring Operation: 59-25=34, Resulting Numbers: [34] 34,52 unequal: No Solution Moving to Node #0,1,1 Current State: 52:[21, 55], Operations: ['65-44=21', '59-4=55'] Exploring Operation: 21+55=76, Resulting Numbers: [76] 76,52 unequal: No Solution Exploring Operation: 55-21=34, Resulting Numbers: [34] 34,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 96, 37, 76, 60 ]
34
[ "96-76=20", "60/20=3", "37-3=34" ]
Current State: 34:[96, 37, 76, 60], Operations: [] Exploring Operation: 96-76=20, Resulting Numbers: [37, 60, 20] Generated Node #2: [37, 60, 20] from Operation: 96-76=20 Current State: 34:[37, 60, 20], Operations: ['96-76=20'] Exploring Operation: 60/20=3, Resulting Numbers: [37, 3] Generated Node #3: [37, 3] from Operation: 60/20=3 Current State: 34:[37, 3], Operations: ['96-76=20', '60/20=3'] Exploring Operation: 37-3=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
4
Current State: 34:[96, 37, 76, 60], Operations: [] Exploring Operation: 96-76=20, Resulting Numbers: [37, 60, 20] Generated Node #0,0: 34:[37, 60, 20] Operation: 96-76=20 Moving to Node #0,0 Current State: 34:[37, 60, 20], Operations: ['96-76=20'] Exploring Operation: 60/20=3, Resulting Numbers: [37, 3] Generated Node #0,0,0: 34:[37, 3] Operation: 60/20=3 Moving to Node #0,0,0 Current State: 34:[37, 3], Operations: ['96-76=20', '60/20=3'] Exploring Operation: 37-3=34, Resulting Numbers: [34] 34,34 equal: Goal Reached Moving to Node #0 Current State: 34:[96, 37, 76, 60], Operations: [] Exploring Operation: 96-76=20, Resulting Numbers: [37, 60, 20] Generated Node #0,0: 34:[37, 60, 20] Operation: 96-76=20 Moving to Node #0,0 Current State: 34:[37, 60, 20], Operations: ['96-76=20'] Exploring Operation: 60/20=3, Resulting Numbers: [37, 3] Generated Node #0,0,0: 34:[37, 3] Operation: 60/20=3 Moving to Node #0,0,0 Current State: 34:[37, 3], Operations: ['96-76=20', '60/20=3'] Exploring Operation: 37-3=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
0.993924
hs_1
mult_heuristic
[ 43, 70, 96, 78 ]
55
[ "78-70=8", "96/8=12", "43+12=55" ]
Current State: 55:[43, 70, 96, 78], Operations: [] Exploring Operation: 78-70=8, Resulting Numbers: [43, 96, 8] Generated Node #2: [43, 96, 8] from Operation: 78-70=8 Current State: 55:[43, 96, 8], Operations: ['78-70=8'] Exploring Operation: 96/8=12, Resulting Numbers: [43, 12] Generated Node #3: [43, 12] from Operation: 96/8=12 Current State: 55:[43, 12], Operations: ['78-70=8', '96/8=12'] Exploring Operation: 43+12=55, Resulting Numbers: [55] 55,55 equal: Goal Reached
4
Current State: 55:[43, 70, 96, 78], Operations: [] Exploring Operation: 96-43=53, Resulting Numbers: [70, 78, 53] Generated Node #0,0: 55:[70, 78, 53] Operation: 96-43=53 Exploring Operation: 78-43=35, Resulting Numbers: [70, 96, 35] Generated Node #0,1: 55:[70, 96, 35] Operation: 78-43=35 Exploring Operation: 96-70=26, Resulting Numbers: [43, 78, 26] Generated Node #0,2: 55:[43, 78, 26] Operation: 96-70=26 Exploring Operation: 78-70=8, Resulting Numbers: [43, 96, 8] Generated Node #0,3: 55:[43, 96, 8] Operation: 78-70=8 Exploring Operation: 96-78=18, Resulting Numbers: [43, 70, 18] Generated Node #0,4: 55:[43, 70, 18] Operation: 96-78=18 Moving to Node #0,4 Current State: 55:[43, 70, 18], Operations: ['96-78=18'] Exploring Operation: 70-43=27, Resulting Numbers: [18, 27] Generated Node #0,4,0: 55:[18, 27] Operation: 70-43=27 Exploring Operation: 43-18=25, Resulting Numbers: [70, 25] Generated Node #0,4,1: 55:[70, 25] Operation: 43-18=25 Exploring Operation: 70+18=88, Resulting Numbers: [43, 88] Generated Node #0,4,2: 55:[43, 88] Operation: 70+18=88 Exploring Operation: 43+18=61, Resulting Numbers: [70, 61] Generated Node #0,4,3: 55:[70, 61] Operation: 43+18=61 Exploring Operation: 70-18=52, Resulting Numbers: [43, 52] Generated Node #0,4,4: 55:[43, 52] Operation: 70-18=52 Moving to Node #0,0 Current State: 55:[70, 78, 53], Operations: ['96-43=53'] Exploring Operation: 70-53=17, Resulting Numbers: [78, 17] Generated Node #0,0,0: 55:[78, 17] Operation: 70-53=17 Exploring Operation: 78+53=131, Resulting Numbers: [70, 131] Generated Node #0,0,1: 55:[70, 131] Operation: 78+53=131 Exploring Operation: 78-53=25, Resulting Numbers: [70, 25] Generated Node #0,0,2: 55:[70, 25] Operation: 78-53=25 Exploring Operation: 78-70=8, Resulting Numbers: [53, 8] Generated Node #0,0,3: 55:[53, 8] Operation: 78-70=8 Exploring Operation: 70+53=123, Resulting Numbers: [78, 123] Generated Node #0,0,4: 55:[78, 123] Operation: 70+53=123 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 55:[53, 8], Operations: ['96-43=53', '78-70=8'] Exploring Operation: 53-8=45, Resulting Numbers: [45] 45,55 unequal: No Solution Exploring Operation: 53*8=424, Resulting Numbers: [424] 424,55 unequal: No Solution Exploring Operation: 53+8=61, Resulting Numbers: [61] 61,55 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 55:[78, 17], Operations: ['96-43=53', '70-53=17'] Exploring Operation: 78+17=95, Resulting Numbers: [95] 95,55 unequal: No Solution Exploring Operation: 78-17=61, Resulting Numbers: [61] 61,55 unequal: No Solution Exploring Operation: 78*17=1326, Resulting Numbers: [1326] 1326,55 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 55:[70, 25], Operations: ['96-43=53', '78-53=25'] Exploring Operation: 70+25=95, Resulting Numbers: [95] 95,55 unequal: No Solution Exploring Operation: 70-25=45, Resulting Numbers: [45] 45,55 unequal: No Solution Exploring Operation: 70*25=1750, Resulting Numbers: [1750] 1750,55 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 55:[70, 131], Operations: ['96-43=53', '78+53=131'] Exploring Operation: 70+131=201, Resulting Numbers: [201] 201,55 unequal: No Solution Exploring Operation: 131-70=61, Resulting Numbers: [61] 61,55 unequal: No Solution Exploring Operation: 70*131=9170, Resulting Numbers: [9170] 9170,55 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 55:[78, 123], Operations: ['96-43=53', '70+53=123'] Exploring Operation: 78+123=201, Resulting Numbers: [201] 201,55 unequal: No Solution Exploring Operation: 78*123=9594, Resulting Numbers: [9594] 9594,55 unequal: No Solution Exploring Operation: 123-78=45, Resulting Numbers: [45] 45,55 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: 55:[43, 78, 26], Operations: ['96-70=26'] Exploring Operation: 78-43=35, Resulting Numbers: [26, 35] Generated Node #0,2,0: 55:[26, 35] Operation: 78-43=35 Exploring Operation: 43-26=17, Resulting Numbers: [78, 17] Generated Node #0,2,1: 55:[78, 17] Operation: 43-26=17 Exploring Operation: 78-26=52, Resulting Numbers: [43, 52] Generated Node #0,2,2: 55:[43, 52] Operation: 78-26=52 Exploring Operation: 78/26=3, Resulting Numbers: [43, 3] Generated Node #0,2,3: 55:[43, 3] Operation: 78/26=3 Exploring Operation: 43+26=69, Resulting Numbers: [78, 69] Generated Node #0,2,4: 55:[78, 69] Operation: 43+26=69 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 55:[43, 3], Operations: ['96-70=26', '78/26=3'] Exploring Operation: 43*3=129, Resulting Numbers: [129] 129,55 unequal: No Solution Exploring Operation: 43+3=46, Resulting Numbers: [46] 46,55 unequal: No Solution Exploring Operation: 43-3=40, Resulting Numbers: [40] 40,55 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 55:[43, 52], Operations: ['96-70=26', '78-26=52'] Exploring Operation: 43*52=2236, Resulting Numbers: [2236] 2236,55 unequal: No Solution Exploring Operation: 43+52=95, Resulting Numbers: [95] 95,55 unequal: No Solution Exploring Operation: 52-43=9, Resulting Numbers: [9] 9,55 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 55:[78, 17], Operations: ['96-70=26', '43-26=17'] Exploring Operation: 78*17=1326, Resulting Numbers: [1326] 1326,55 unequal: No Solution Exploring Operation: 78+17=95, Resulting Numbers: [95] 95,55 unequal: No Solution Exploring Operation: 78-17=61, Resulting Numbers: [61] 61,55 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 55:[26, 35], Operations: ['96-70=26', '78-43=35'] Exploring Operation: 35-26=9, Resulting Numbers: [9] 9,55 unequal: No Solution Exploring Operation: 26*35=910, Resulting Numbers: [910] 910,55 unequal: No Solution Exploring Operation: 26+35=61, Resulting Numbers: [61] 61,55 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 55:[78, 69], Operations: ['96-70=26', '43+26=69'] Exploring Operation: 78-69=9, Resulting Numbers: [9] 9,55 unequal: No Solution Exploring Operation: 78*69=5382, Resulting Numbers: [5382] 5382,55 unequal: No Solution Exploring Operation: 78+69=147, Resulting Numbers: [147] 147,55 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: 55:[43, 96, 8], Operations: ['78-70=8'] Exploring Operation: 43+8=51, Resulting Numbers: [96, 51] Generated Node #0,3,0: 55:[96, 51] Operation: 43+8=51 Exploring Operation: 96-8=88, Resulting Numbers: [43, 88] Generated Node #0,3,1: 55:[43, 88] Operation: 96-8=88 Exploring Operation: 96/8=12, Resulting Numbers: [43, 12] Generated Node #0,3,2: 55:[43, 12] Operation: 96/8=12 Exploring Operation: 96-43=53, Resulting Numbers: [8, 53] Generated Node #0,3,3: 55:[8, 53] Operation: 96-43=53 Exploring Operation: 43-8=35, Resulting Numbers: [96, 35] Generated Node #0,3,4: 55:[96, 35] Operation: 43-8=35 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 55:[8, 53], Operations: ['78-70=8', '96-43=53'] Exploring Operation: 8*53=424, Resulting Numbers: [424] 424,55 unequal: No Solution Exploring Operation: 8+53=61, Resulting Numbers: [61] 61,55 unequal: No Solution Exploring Operation: 53-8=45, Resulting Numbers: [45] 45,55 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 55:[43, 12], Operations: ['78-70=8', '96/8=12'] Exploring Operation: 43*12=516, Resulting Numbers: [516] 516,55 unequal: No Solution Exploring Operation: 43+12=55, Resulting Numbers: [55] 55,55 equal: Goal Reached Moving to Node #0 Current State: 55:[43, 70, 96, 78], Operations: [] Exploring Operation: 78-70=8, Resulting Numbers: [43, 96, 8] Generated Node #0,3: 55:[43, 96, 8] Operation: 78-70=8 Moving to Node #0,3 Current State: 55:[43, 96, 8], Operations: ['78-70=8'] Exploring Operation: 96/8=12, Resulting Numbers: [43, 12] Generated Node #0,3,2: 55:[43, 12] Operation: 96/8=12 Moving to Node #0,3,2 Current State: 55:[43, 12], Operations: ['78-70=8', '96/8=12'] Exploring Operation: 43+12=55, Resulting Numbers: [55] 55,55 equal: Goal Reached Exit Sub Search at level 1
0.944444
hs_5
sum_heuristic
[ 58, 43, 21, 20 ]
16
[ "58-43=15", "21-20=1", "15+1=16" ]
Current State: 16:[58, 43, 21, 20], Operations: [] Exploring Operation: 58-43=15, Resulting Numbers: [21, 20, 15] Generated Node #2: [21, 20, 15] from Operation: 58-43=15 Current State: 16:[21, 20, 15], Operations: ['58-43=15'] Exploring Operation: 21-20=1, Resulting Numbers: [15, 1] Generated Node #3: [15, 1] from Operation: 21-20=1 Current State: 16:[15, 1], Operations: ['58-43=15', '21-20=1'] Exploring Operation: 15+1=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[58, 43, 21, 20], Operations: [] Exploring Operation: 58-43=15, Resulting Numbers: [21, 20, 15] Generated Node #0,0: 16:[21, 20, 15] Operation: 58-43=15 Exploring Operation: 58-21=37, Resulting Numbers: [43, 20, 37] Generated Node #0,1: 16:[43, 20, 37] Operation: 58-21=37 Moving to Node #0,0 Current State: 16:[21, 20, 15], Operations: ['58-43=15'] Exploring Operation: 21-15=6, Resulting Numbers: [20, 6] Generated Node #0,0,0: 16:[20, 6] Operation: 21-15=6 Exploring Operation: 21-20=1, Resulting Numbers: [15, 1] Generated Node #0,0,1: 16:[15, 1] Operation: 21-20=1 Moving to Node #0,1 Current State: 16:[43, 20, 37], Operations: ['58-21=37'] Exploring Operation: 43-37=6, Resulting Numbers: [20, 6] Generated Node #0,1,0: 16:[20, 6] Operation: 43-37=6 Exploring Operation: 43-20=23, Resulting Numbers: [37, 23] Generated Node #0,1,1: 16:[37, 23] Operation: 43-20=23 Moving to Node #0,0,1 Current State: 16:[15, 1], Operations: ['58-43=15', '21-20=1'] Exploring Operation: 15+1=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Moving to Node #0 Current State: 16:[58, 43, 21, 20], Operations: [] Exploring Operation: 58-43=15, Resulting Numbers: [21, 20, 15] Generated Node #0,0: 16:[21, 20, 15] Operation: 58-43=15 Moving to Node #0,0 Current State: 16:[21, 20, 15], Operations: ['58-43=15'] Exploring Operation: 21-20=1, Resulting Numbers: [15, 1] Generated Node #0,0,1: 16:[15, 1] Operation: 21-20=1 Moving to Node #0,0,1 Current State: 16:[15, 1], Operations: ['58-43=15', '21-20=1'] Exploring Operation: 15+1=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
0.990451
hs_2
mult_heuristic
[ 36, 59, 82, 89 ]
87
[ "36+82=118", "118/59=2", "89-2=87" ]
Current State: 87:[36, 59, 82, 89], Operations: [] Exploring Operation: 36+82=118, Resulting Numbers: [59, 89, 118] Generated Node #2: [59, 89, 118] from Operation: 36+82=118 Current State: 87:[59, 89, 118], Operations: ['36+82=118'] Exploring Operation: 118/59=2, Resulting Numbers: [89, 2] Generated Node #3: [89, 2] from Operation: 118/59=2 Current State: 87:[89, 2], Operations: ['36+82=118', '118/59=2'] Exploring Operation: 89-2=87, Resulting Numbers: [87] 87,87 equal: Goal Reached
4
Current State: 87:[36, 59, 82, 89], Operations: [] Exploring Operation: 89-59=30, Resulting Numbers: [36, 82, 30] Generated Node #0,0: 87:[36, 82, 30] Operation: 89-59=30 Exploring Operation: 59-36=23, Resulting Numbers: [82, 89, 23] Generated Node #0,1: 87:[82, 89, 23] Operation: 59-36=23 Start Sub Search at level 1: Moving to Node #0,0 Current State: 87:[36, 82, 30], Operations: ['89-59=30'] Exploring Operation: 82-36=46, Resulting Numbers: [30, 46] Generated Node #0,0,0: 87:[30, 46] Operation: 82-36=46 Exploring Operation: 36-30=6, Resulting Numbers: [82, 6] Generated Node #0,0,1: 87:[82, 6] Operation: 36-30=6 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 87:[82, 6], Operations: ['89-59=30', '36-30=6'] Exploring Operation: 82+6=88, Resulting Numbers: [88] 88,87 unequal: No Solution Exploring Operation: 82-6=76, Resulting Numbers: [76] 76,87 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 87:[30, 46], Operations: ['89-59=30', '82-36=46'] Exploring Operation: 30+46=76, Resulting Numbers: [76] 76,87 unequal: No Solution Exploring Operation: 46-30=16, Resulting Numbers: [16] 16,87 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 87:[82, 89, 23], Operations: ['59-36=23'] Exploring Operation: 82+23=105, Resulting Numbers: [89, 105] Generated Node #0,1,0: 87:[89, 105] Operation: 82+23=105 Exploring Operation: 89-82=7, Resulting Numbers: [23, 7] Generated Node #0,1,1: 87:[23, 7] Operation: 89-82=7 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 87:[23, 7], Operations: ['59-36=23', '89-82=7'] Exploring Operation: 23+7=30, Resulting Numbers: [30] 30,87 unequal: No Solution Exploring Operation: 23-7=16, Resulting Numbers: [16] 16,87 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 87:[89, 105], Operations: ['59-36=23', '82+23=105'] Exploring Operation: 89+105=194, Resulting Numbers: [194] 194,87 unequal: No Solution Exploring Operation: 105-89=16, Resulting Numbers: [16] 16,87 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 31, 54, 80, 47 ]
42
[ "31+54=85", "80+47=127", "127-85=42" ]
Current State: 42:[31, 54, 80, 47], Operations: [] Exploring Operation: 31+54=85, Resulting Numbers: [80, 47, 85] Generated Node #2: [80, 47, 85] from Operation: 31+54=85 Current State: 42:[80, 47, 85], Operations: ['31+54=85'] Exploring Operation: 80+47=127, Resulting Numbers: [85, 127] Generated Node #3: [85, 127] from Operation: 80+47=127 Current State: 42:[85, 127], Operations: ['31+54=85', '80+47=127'] Exploring Operation: 127-85=42, Resulting Numbers: [42] 42,42 equal: Goal Reached
4
Current State: 42:[31, 54, 80, 47], Operations: [] Exploring Operation: 80-54=26, Resulting Numbers: [31, 47, 26] Generated Node #0,0: 42:[31, 47, 26] Operation: 80-54=26 Start Sub Search at level 1: Moving to Node #0,0 Current State: 42:[31, 47, 26], Operations: ['80-54=26'] Exploring Operation: 31-26=5, Resulting Numbers: [47, 5] Generated Node #0,0,0: 42:[47, 5] Operation: 31-26=5 Moving to Node #0,0,0 Current State: 42:[47, 5], Operations: ['80-54=26', '31-26=5'] Exploring Operation: 47-5=42, Resulting Numbers: [42] 42,42 equal: Goal Reached Moving to Node #0 Current State: 42:[31, 54, 80, 47], Operations: [] Exploring Operation: 80-54=26, Resulting Numbers: [31, 47, 26] Generated Node #0,0: 42:[31, 47, 26] Operation: 80-54=26 Moving to Node #0,0 Current State: 42:[31, 47, 26], Operations: ['80-54=26'] Exploring Operation: 31-26=5, Resulting Numbers: [47, 5] Generated Node #0,0,0: 42:[47, 5] Operation: 31-26=5 Moving to Node #0,0,0 Current State: 42:[47, 5], Operations: ['80-54=26', '31-26=5'] Exploring Operation: 47-5=42, Resulting Numbers: [42] 42,42 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 66, 26, 20, 28 ]
92
[ "66-20=46", "28-26=2", "46*2=92" ]
Current State: 92:[66, 26, 20, 28], Operations: [] Exploring Operation: 66-20=46, Resulting Numbers: [26, 28, 46] Generated Node #2: [26, 28, 46] from Operation: 66-20=46 Current State: 92:[26, 28, 46], Operations: ['66-20=46'] Exploring Operation: 28-26=2, Resulting Numbers: [46, 2] Generated Node #3: [46, 2] from Operation: 28-26=2 Current State: 92:[46, 2], Operations: ['66-20=46', '28-26=2'] Exploring Operation: 46*2=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
4
Current State: 92:[66, 26, 20, 28], Operations: [] Exploring Operation: 66-20=46, Resulting Numbers: [26, 28, 46] Generated Node #0,0: 92:[26, 28, 46] Operation: 66-20=46 Exploring Operation: 66+26=92, Resulting Numbers: [20, 28, 92] Generated Node #0,1: 92:[20, 28, 92] Operation: 66+26=92 Exploring Operation: 66+28=94, Resulting Numbers: [26, 20, 94] Generated Node #0,2: 92:[26, 20, 94] Operation: 66+28=94 Moving to Node #0,0 Current State: 92:[26, 28, 46], Operations: ['66-20=46'] Exploring Operation: 26+28=54, Resulting Numbers: [46, 54] Generated Node #0,0,0: 92:[46, 54] Operation: 26+28=54 Exploring Operation: 28-26=2, Resulting Numbers: [46, 2] Generated Node #0,0,1: 92:[46, 2] Operation: 28-26=2 Exploring Operation: 46-26=20, Resulting Numbers: [28, 20] Generated Node #0,0,2: 92:[28, 20] Operation: 46-26=20 Moving to Node #0,1 Current State: 92:[20, 28, 92], Operations: ['66+26=92'] Exploring Operation: 92-28=64, Resulting Numbers: [20, 64] Generated Node #0,1,0: 92:[20, 64] Operation: 92-28=64 Exploring Operation: 20+28=48, Resulting Numbers: [92, 48] Generated Node #0,1,1: 92:[92, 48] Operation: 20+28=48 Exploring Operation: 28-20=8, Resulting Numbers: [92, 8] Generated Node #0,1,2: 92:[92, 8] Operation: 28-20=8 Moving to Node #0,2 Current State: 92:[26, 20, 94], Operations: ['66+28=94'] Exploring Operation: 26-20=6, Resulting Numbers: [94, 6] Generated Node #0,2,0: 92:[94, 6] Operation: 26-20=6 Exploring Operation: 26+20=46, Resulting Numbers: [94, 46] Generated Node #0,2,1: 92:[94, 46] Operation: 26+20=46 Exploring Operation: 94-20=74, Resulting Numbers: [26, 74] Generated Node #0,2,2: 92:[26, 74] Operation: 94-20=74 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 92:[94, 46], Operations: ['66+28=94', '26+20=46'] Exploring Operation: 94*46=4324, Resulting Numbers: [4324] 4324,92 unequal: No Solution Exploring Operation: 94+46=140, Resulting Numbers: [140] 140,92 unequal: No Solution Exploring Operation: 94-46=48, Resulting Numbers: [48] 48,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 92:[94, 6], Operations: ['66+28=94', '26-20=6'] Exploring Operation: 94-6=88, Resulting Numbers: [88] 88,92 unequal: No Solution Exploring Operation: 94+6=100, Resulting Numbers: [100] 100,92 unequal: No Solution Exploring Operation: 94*6=564, Resulting Numbers: [564] 564,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 92:[26, 74], Operations: ['66+28=94', '94-20=74'] Exploring Operation: 26*74=1924, Resulting Numbers: [1924] 1924,92 unequal: No Solution Exploring Operation: 26+74=100, Resulting Numbers: [100] 100,92 unequal: No Solution Exploring Operation: 74-26=48, Resulting Numbers: [48] 48,92 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: 92:[46, 2], Operations: ['66-20=46', '28-26=2'] Exploring Operation: 46+2=48, Resulting Numbers: [48] 48,92 unequal: No Solution Exploring Operation: 46*2=92, Resulting Numbers: [92] 92,92 equal: Goal Reached Moving to Node #0 Current State: 92:[66, 26, 20, 28], Operations: [] Exploring Operation: 66-20=46, Resulting Numbers: [26, 28, 46] Generated Node #0,0: 92:[26, 28, 46] Operation: 66-20=46 Moving to Node #0,0 Current State: 92:[26, 28, 46], Operations: ['66-20=46'] Exploring Operation: 28-26=2, Resulting Numbers: [46, 2] Generated Node #0,0,1: 92:[46, 2] Operation: 28-26=2 Moving to Node #0,0,1 Current State: 92:[46, 2], Operations: ['66-20=46', '28-26=2'] Exploring Operation: 46*2=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
0.976563
hs_3
mult_heuristic
[ 58, 46, 24, 14 ]
48
[ "58-46=12", "14-12=2", "24*2=48" ]
Current State: 48:[58, 46, 24, 14], Operations: [] Exploring Operation: 58-46=12, Resulting Numbers: [24, 14, 12] Generated Node #2: [24, 14, 12] from Operation: 58-46=12 Current State: 48:[24, 14, 12], Operations: ['58-46=12'] Exploring Operation: 14-12=2, Resulting Numbers: [24, 2] Generated Node #3: [24, 2] from Operation: 14-12=2 Current State: 48:[24, 2], Operations: ['58-46=12', '14-12=2'] Exploring Operation: 24*2=48, Resulting Numbers: [48] 48,48 equal: Goal Reached
4
Current State: 48:[58, 46, 24, 14], Operations: [] Exploring Operation: 58-24=34, Resulting Numbers: [46, 14, 34] Generated Node #0,0: 48:[46, 14, 34] Operation: 58-24=34 Exploring Operation: 58-46=12, Resulting Numbers: [24, 14, 12] Generated Node #0,1: 48:[24, 14, 12] Operation: 58-46=12 Exploring Operation: 58-14=44, Resulting Numbers: [46, 24, 44] Generated Node #0,2: 48:[46, 24, 44] Operation: 58-14=44 Exploring Operation: 46-24=22, Resulting Numbers: [58, 14, 22] Generated Node #0,3: 48:[58, 14, 22] Operation: 46-24=22 Moving to Node #0,1 Current State: 48:[24, 14, 12], Operations: ['58-46=12'] Exploring Operation: 14-12=2, Resulting Numbers: [24, 2] Generated Node #0,1,0: 48:[24, 2] Operation: 14-12=2 Exploring Operation: 24-14=10, Resulting Numbers: [12, 10] Generated Node #0,1,1: 48:[12, 10] Operation: 24-14=10 Exploring Operation: 24-12=12, Resulting Numbers: [14, 12] Generated Node #0,1,2: 48:[14, 12] Operation: 24-12=12 Exploring Operation: 24/12=2, Resulting Numbers: [14, 2] Generated Node #0,1,3: 48:[14, 2] Operation: 24/12=2 Moving to Node #0,2 Current State: 48:[46, 24, 44], Operations: ['58-14=44'] Exploring Operation: 44-24=20, Resulting Numbers: [46, 20] Generated Node #0,2,0: 48:[46, 20] Operation: 44-24=20 Exploring Operation: 46-44=2, Resulting Numbers: [24, 2] Generated Node #0,2,1: 48:[24, 2] Operation: 46-44=2 Exploring Operation: 46-24=22, Resulting Numbers: [44, 22] Generated Node #0,2,2: 48:[44, 22] Operation: 46-24=22 Exploring Operation: 24+44=68, Resulting Numbers: [46, 68] Generated Node #0,2,3: 48:[46, 68] Operation: 24+44=68 Moving to Node #0,3 Current State: 48:[58, 14, 22], Operations: ['46-24=22'] Exploring Operation: 58-14=44, Resulting Numbers: [22, 44] Generated Node #0,3,0: 48:[22, 44] Operation: 58-14=44 Exploring Operation: 58-22=36, Resulting Numbers: [14, 36] Generated Node #0,3,1: 48:[14, 36] Operation: 58-22=36 Exploring Operation: 22-14=8, Resulting Numbers: [58, 8] Generated Node #0,3,2: 48:[58, 8] Operation: 22-14=8 Exploring Operation: 14+22=36, Resulting Numbers: [58, 36] Generated Node #0,3,3: 48:[58, 36] Operation: 14+22=36 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 48:[22, 44], Operations: ['46-24=22', '58-14=44'] Exploring Operation: 22+44=66, Resulting Numbers: [66] 66,48 unequal: No Solution Exploring Operation: 22*44=968, Resulting Numbers: [968] 968,48 unequal: No Solution Exploring Operation: 44-22=22, Resulting Numbers: [22] 22,48 unequal: No Solution Exploring Operation: 44/22=2, Resulting Numbers: [2] 2,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 48:[58, 8], Operations: ['46-24=22', '22-14=8'] Exploring Operation: 58-8=50, Resulting Numbers: [50] 50,48 unequal: No Solution Exploring Operation: 58*8=464, Resulting Numbers: [464] 464,48 unequal: No Solution Exploring Operation: 58+8=66, Resulting Numbers: [66] 66,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 48:[14, 36], Operations: ['46-24=22', '58-22=36'] Exploring Operation: 14*36=504, Resulting Numbers: [504] 504,48 unequal: No Solution Exploring Operation: 14+36=50, Resulting Numbers: [50] 50,48 unequal: No Solution Exploring Operation: 36-14=22, Resulting Numbers: [22] 22,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 48:[58, 36], Operations: ['46-24=22', '14+22=36'] Exploring Operation: 58*36=2088, Resulting Numbers: [2088] 2088,48 unequal: No Solution Exploring Operation: 58-36=22, Resulting Numbers: [22] 22,48 unequal: No Solution Exploring Operation: 58+36=94, Resulting Numbers: [94] 94,48 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: 48:[46, 14, 34], Operations: ['58-24=34'] Exploring Operation: 46-34=12, Resulting Numbers: [14, 12] Generated Node #0,0,0: 48:[14, 12] Operation: 46-34=12 Exploring Operation: 46-14=32, Resulting Numbers: [34, 32] Generated Node #0,0,1: 48:[34, 32] Operation: 46-14=32 Exploring Operation: 34-14=20, Resulting Numbers: [46, 20] Generated Node #0,0,2: 48:[46, 20] Operation: 34-14=20 Exploring Operation: 14+34=48, Resulting Numbers: [46, 48] Generated Node #0,0,3: 48:[46, 48] Operation: 14+34=48 Moving to Node #0,1,0 Current State: 48:[24, 2], Operations: ['58-46=12', '14-12=2'] Exploring Operation: 24-2=22, Resulting Numbers: [22] 22,48 unequal: No Solution Exploring Operation: 24+2=26, Resulting Numbers: [26] 26,48 unequal: No Solution Exploring Operation: 24/2=12, Resulting Numbers: [12] 12,48 unequal: No Solution Exploring Operation: 24*2=48, Resulting Numbers: [48] 48,48 equal: Goal Reached Moving to Node #0 Current State: 48:[58, 46, 24, 14], Operations: [] Exploring Operation: 58-46=12, Resulting Numbers: [24, 14, 12] Generated Node #0,1: 48:[24, 14, 12] Operation: 58-46=12 Moving to Node #0,1 Current State: 48:[24, 14, 12], Operations: ['58-46=12'] Exploring Operation: 14-12=2, Resulting Numbers: [24, 2] Generated Node #0,1,0: 48:[24, 2] Operation: 14-12=2 Moving to Node #0,1,0 Current State: 48:[24, 2], Operations: ['58-46=12', '14-12=2'] Exploring Operation: 24*2=48, Resulting Numbers: [48] 48,48 equal: Goal Reached
0.96441
hs_4
mult_heuristic
[ 8, 67, 85, 69 ]
43
[ "67-8=59", "85-69=16", "59-16=43" ]
Current State: 43:[8, 67, 85, 69], Operations: [] Exploring Operation: 67-8=59, Resulting Numbers: [85, 69, 59] Generated Node #2: [85, 69, 59] from Operation: 67-8=59 Current State: 43:[85, 69, 59], Operations: ['67-8=59'] Exploring Operation: 85-69=16, Resulting Numbers: [59, 16] Generated Node #3: [59, 16] from Operation: 85-69=16 Current State: 43:[59, 16], Operations: ['67-8=59', '85-69=16'] Exploring Operation: 59-16=43, Resulting Numbers: [43] 43,43 equal: Goal Reached
4
Current State: 43:[8, 67, 85, 69], Operations: [] Exploring Operation: 85-67=18, Resulting Numbers: [8, 69, 18] Generated Node #0,0: 43:[8, 69, 18] Operation: 85-67=18 Exploring Operation: 85-8=77, Resulting Numbers: [67, 69, 77] Generated Node #0,1: 43:[67, 69, 77] Operation: 85-8=77 Exploring Operation: 69-8=61, Resulting Numbers: [67, 85, 61] Generated Node #0,2: 43:[67, 85, 61] Operation: 69-8=61 Exploring Operation: 85-69=16, Resulting Numbers: [8, 67, 16] Generated Node #0,3: 43:[8, 67, 16] Operation: 85-69=16 Exploring Operation: 67-8=59, Resulting Numbers: [85, 69, 59] Generated Node #0,4: 43:[85, 69, 59] Operation: 67-8=59 Moving to Node #0,1 Current State: 43:[67, 69, 77], Operations: ['85-8=77'] Exploring Operation: 67+69=136, Resulting Numbers: [77, 136] Generated Node #0,1,0: 43:[77, 136] Operation: 67+69=136 Exploring Operation: 69-67=2, Resulting Numbers: [77, 2] Generated Node #0,1,1: 43:[77, 2] Operation: 69-67=2 Exploring Operation: 77-67=10, Resulting Numbers: [69, 10] Generated Node #0,1,2: 43:[69, 10] Operation: 77-67=10 Exploring Operation: 77-69=8, Resulting Numbers: [67, 8] Generated Node #0,1,3: 43:[67, 8] Operation: 77-69=8 Exploring Operation: 67+77=144, Resulting Numbers: [69, 144] Generated Node #0,1,4: 43:[69, 144] Operation: 67+77=144 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 43:[69, 10], Operations: ['85-8=77', '77-67=10'] Exploring Operation: 69+10=79, Resulting Numbers: [79] 79,43 unequal: No Solution Exploring Operation: 69*10=690, Resulting Numbers: [690] 690,43 unequal: No Solution Exploring Operation: 69-10=59, Resulting Numbers: [59] 59,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 43:[67, 8], Operations: ['85-8=77', '77-69=8'] Exploring Operation: 67-8=59, Resulting Numbers: [59] 59,43 unequal: No Solution Exploring Operation: 67+8=75, Resulting Numbers: [75] 75,43 unequal: No Solution Exploring Operation: 67*8=536, Resulting Numbers: [536] 536,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 43:[77, 2], Operations: ['85-8=77', '69-67=2'] Exploring Operation: 77+2=79, Resulting Numbers: [79] 79,43 unequal: No Solution Exploring Operation: 77-2=75, Resulting Numbers: [75] 75,43 unequal: No Solution Exploring Operation: 77*2=154, Resulting Numbers: [154] 154,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 43:[77, 136], Operations: ['85-8=77', '67+69=136'] Exploring Operation: 136-77=59, Resulting Numbers: [59] 59,43 unequal: No Solution Exploring Operation: 77*136=10472, Resulting Numbers: [10472] 10472,43 unequal: No Solution Exploring Operation: 77+136=213, Resulting Numbers: [213] 213,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 43:[69, 144], Operations: ['85-8=77', '67+77=144'] Exploring Operation: 144-69=75, Resulting Numbers: [75] 75,43 unequal: No Solution Exploring Operation: 69*144=9936, Resulting Numbers: [9936] 9936,43 unequal: No Solution Exploring Operation: 69+144=213, Resulting Numbers: [213] 213,43 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: 43:[85, 69, 59], Operations: ['67-8=59'] Exploring Operation: 85-69=16, Resulting Numbers: [59, 16] Generated Node #0,4,0: 43:[59, 16] Operation: 85-69=16 Exploring Operation: 69-59=10, Resulting Numbers: [85, 10] Generated Node #0,4,1: 43:[85, 10] Operation: 69-59=10 Exploring Operation: 85+59=144, Resulting Numbers: [69, 144] Generated Node #0,4,2: 43:[69, 144] Operation: 85+59=144 Exploring Operation: 85-59=26, Resulting Numbers: [69, 26] Generated Node #0,4,3: 43:[69, 26] Operation: 85-59=26 Exploring Operation: 85+69=154, Resulting Numbers: [59, 154] Generated Node #0,4,4: 43:[59, 154] Operation: 85+69=154 Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 43:[59, 16], Operations: ['67-8=59', '85-69=16'] Exploring Operation: 59*16=944, Resulting Numbers: [944] 944,43 unequal: No Solution Exploring Operation: 59+16=75, Resulting Numbers: [75] 75,43 unequal: No Solution Exploring Operation: 59-16=43, Resulting Numbers: [43] 43,43 equal: Goal Reached Moving to Node #0 Current State: 43:[8, 67, 85, 69], Operations: [] Exploring Operation: 67-8=59, Resulting Numbers: [85, 69, 59] Generated Node #0,4: 43:[85, 69, 59] Operation: 67-8=59 Moving to Node #0,4 Current State: 43:[85, 69, 59], Operations: ['67-8=59'] Exploring Operation: 85-69=16, Resulting Numbers: [59, 16] Generated Node #0,4,0: 43:[59, 16] Operation: 85-69=16 Moving to Node #0,4,0 Current State: 43:[59, 16], Operations: ['67-8=59', '85-69=16'] Exploring Operation: 59-16=43, Resulting Numbers: [43] 43,43 equal: Goal Reached Exit Sub Search at level 1
0.967882
hs_5
sum_heuristic
[ 42, 14, 34, 28 ]
50
[ "42+14=56", "34-28=6", "56-6=50" ]
Current State: 50:[42, 14, 34, 28], Operations: [] Exploring Operation: 42+14=56, Resulting Numbers: [34, 28, 56] Generated Node #2: [34, 28, 56] from Operation: 42+14=56 Current State: 50:[34, 28, 56], Operations: ['42+14=56'] Exploring Operation: 34-28=6, Resulting Numbers: [56, 6] Generated Node #3: [56, 6] from Operation: 34-28=6 Current State: 50:[56, 6], Operations: ['42+14=56', '34-28=6'] Exploring Operation: 56-6=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[42, 14, 34, 28], Operations: [] Exploring Operation: 42/14=3, Resulting Numbers: [34, 28, 3] Generated Node #0,0: 50:[34, 28, 3] Operation: 42/14=3 Exploring Operation: 42-34=8, Resulting Numbers: [14, 28, 8] Generated Node #0,1: 50:[14, 28, 8] Operation: 42-34=8 Exploring Operation: 34-28=6, Resulting Numbers: [42, 14, 6] Generated Node #0,2: 50:[42, 14, 6] Operation: 34-28=6 Exploring Operation: 42-14=28, Resulting Numbers: [34, 28, 28] Generated Node #0,3: 50:[34, 28, 28] Operation: 42-14=28 Exploring Operation: 14+34=48, Resulting Numbers: [42, 28, 48] Generated Node #0,4: 50:[42, 28, 48] Operation: 14+34=48 Start Sub Search at level 1: Moving to Node #0,1 Current State: 50:[14, 28, 8], Operations: ['42-34=8'] Exploring Operation: 28/14=2, Resulting Numbers: [8, 2] Generated Node #0,1,0: 50:[8, 2] Operation: 28/14=2 Exploring Operation: 14-8=6, Resulting Numbers: [28, 6] Generated Node #0,1,1: 50:[28, 6] Operation: 14-8=6 Exploring Operation: 14+8=22, Resulting Numbers: [28, 22] Generated Node #0,1,2: 50:[28, 22] Operation: 14+8=22 Exploring Operation: 28-8=20, Resulting Numbers: [14, 20] Generated Node #0,1,3: 50:[14, 20] Operation: 28-8=20 Exploring Operation: 28-14=14, Resulting Numbers: [8, 14] Generated Node #0,1,4: 50:[8, 14] Operation: 28-14=14 Moving to Node #0,1,0 Current State: 50:[8, 2], Operations: ['42-34=8', '28/14=2'] Exploring Operation: 8+2=10, Resulting Numbers: [10] 10,50 unequal: No Solution Exploring Operation: 8-2=6, Resulting Numbers: [6] 6,50 unequal: No Solution Exploring Operation: 8*2=16, Resulting Numbers: [16] 16,50 unequal: No Solution Exploring Operation: 8/2=4, Resulting Numbers: [4] 4,50 unequal: No Solution Moving to Node #0,1,1 Current State: 50:[28, 6], Operations: ['42-34=8', '14-8=6'] Exploring Operation: 28-6=22, Resulting Numbers: [22] 22,50 unequal: No Solution Exploring Operation: 28+6=34, Resulting Numbers: [34] 34,50 unequal: No Solution Exploring Operation: 28*6=168, Resulting Numbers: [168] 168,50 unequal: No Solution Moving to Node #0,1,2 Current State: 50:[28, 22], Operations: ['42-34=8', '14+8=22'] Exploring Operation: 28*22=616, Resulting Numbers: [616] 616,50 unequal: No Solution Exploring Operation: 28-22=6, Resulting Numbers: [6] 6,50 unequal: No Solution Exploring Operation: 28+22=50, Resulting Numbers: [50] 50,50 equal: Goal Reached Moving to Node #0 Current State: 50:[42, 14, 34, 28], Operations: [] Exploring Operation: 42-34=8, Resulting Numbers: [14, 28, 8] Generated Node #0,1: 50:[14, 28, 8] Operation: 42-34=8 Moving to Node #0,1 Current State: 50:[14, 28, 8], Operations: ['42-34=8'] Exploring Operation: 14+8=22, Resulting Numbers: [28, 22] Generated Node #0,1,2: 50:[28, 22] Operation: 14+8=22 Moving to Node #0,1,2 Current State: 50:[28, 22], Operations: ['42-34=8', '14+8=22'] Exploring Operation: 28+22=50, Resulting Numbers: [50] 50,50 equal: Goal Reached Exit Sub Search at level 1
0.979167
hs_5
sum_heuristic
[ 2, 13, 66, 46 ]
73
[ "2*66=132", "13+46=59", "132-59=73" ]
Current State: 73:[2, 13, 66, 46], Operations: [] Exploring Operation: 2*66=132, Resulting Numbers: [13, 46, 132] Generated Node #2: [13, 46, 132] from Operation: 2*66=132 Current State: 73:[13, 46, 132], Operations: ['2*66=132'] Exploring Operation: 13+46=59, Resulting Numbers: [132, 59] Generated Node #3: [132, 59] from Operation: 13+46=59 Current State: 73:[132, 59], Operations: ['2*66=132', '13+46=59'] Exploring Operation: 132-59=73, Resulting Numbers: [73] 73,73 equal: Goal Reached
4
Current State: 73:[2, 13, 66, 46], Operations: [] Exploring Operation: 2*13=26, Resulting Numbers: [66, 46, 26] Generated Node #0,0: 73:[66, 46, 26] Operation: 2*13=26 Moving to Node #0,0 Current State: 73:[66, 46, 26], Operations: ['2*13=26'] Exploring Operation: 46+26=72, Resulting Numbers: [66, 72] Generated Node #0,0,0: 73:[66, 72] Operation: 46+26=72 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 73:[66, 72], Operations: ['2*13=26', '46+26=72'] Exploring Operation: 66+72=138, Resulting Numbers: [138] 138,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 52, 82, 45, 58 ]
73
[ "82-52=30", "45+58=103", "103-30=73" ]
Current State: 73:[52, 82, 45, 58], Operations: [] Exploring Operation: 82-52=30, Resulting Numbers: [45, 58, 30] Generated Node #2: [45, 58, 30] from Operation: 82-52=30 Current State: 73:[45, 58, 30], Operations: ['82-52=30'] Exploring Operation: 45+58=103, Resulting Numbers: [30, 103] Generated Node #3: [30, 103] from Operation: 45+58=103 Current State: 73:[30, 103], Operations: ['82-52=30', '45+58=103'] Exploring Operation: 103-30=73, Resulting Numbers: [73] 73,73 equal: Goal Reached
4
Current State: 73:[52, 82, 45, 58], Operations: [] Exploring Operation: 52+45=97, Resulting Numbers: [82, 58, 97] Generated Node #0,0: 73:[82, 58, 97] Operation: 52+45=97 Exploring Operation: 45+58=103, Resulting Numbers: [52, 82, 103] Generated Node #0,1: 73:[52, 82, 103] Operation: 45+58=103 Start Sub Search at level 1: Moving to Node #0,0 Current State: 73:[82, 58, 97], Operations: ['52+45=97'] Exploring Operation: 82-58=24, Resulting Numbers: [97, 24] Generated Node #0,0,0: 73:[97, 24] Operation: 82-58=24 Exploring Operation: 97-58=39, Resulting Numbers: [82, 39] Generated Node #0,0,1: 73:[82, 39] Operation: 97-58=39 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 73:[82, 39], Operations: ['52+45=97', '97-58=39'] Exploring Operation: 82-39=43, Resulting Numbers: [43] 43,73 unequal: No Solution Exploring Operation: 82+39=121, Resulting Numbers: [121] 121,73 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 73:[97, 24], Operations: ['52+45=97', '82-58=24'] Exploring Operation: 97-24=73, Resulting Numbers: [73] 73,73 equal: Goal Reached Moving to Node #0 Current State: 73:[52, 82, 45, 58], Operations: [] Exploring Operation: 52+45=97, Resulting Numbers: [82, 58, 97] Generated Node #0,0: 73:[82, 58, 97] Operation: 52+45=97 Moving to Node #0,0 Current State: 73:[82, 58, 97], Operations: ['52+45=97'] Exploring Operation: 82-58=24, Resulting Numbers: [97, 24] Generated Node #0,0,0: 73:[97, 24] Operation: 82-58=24 Moving to Node #0,0,0 Current State: 73:[97, 24], Operations: ['52+45=97', '82-58=24'] Exploring Operation: 97-24=73, Resulting Numbers: [73] 73,73 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.990451
hs_2
sum_heuristic
[ 48, 13, 60, 22 ]
10
[ "48+60=108", "22+108=130", "130/13=10" ]
Current State: 10:[48, 13, 60, 22], Operations: [] Exploring Operation: 48+60=108, Resulting Numbers: [13, 22, 108] Generated Node #2: [13, 22, 108] from Operation: 48+60=108 Current State: 10:[13, 22, 108], Operations: ['48+60=108'] Exploring Operation: 22+108=130, Resulting Numbers: [13, 130] Generated Node #3: [13, 130] from Operation: 22+108=130 Current State: 10:[13, 130], Operations: ['48+60=108', '22+108=130'] Exploring Operation: 130/13=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
4
Current State: 10:[48, 13, 60, 22], Operations: [] Exploring Operation: 48-22=26, Resulting Numbers: [13, 60, 26] Generated Node #0,0: 10:[13, 60, 26] Operation: 48-22=26 Exploring Operation: 60-48=12, Resulting Numbers: [13, 22, 12] Generated Node #0,1: 10:[13, 22, 12] Operation: 60-48=12 Start Sub Search at level 1: Moving to Node #0,1 Current State: 10:[13, 22, 12], Operations: ['60-48=12'] Exploring Operation: 22-12=10, Resulting Numbers: [13, 10] Generated Node #0,1,0: 10:[13, 10] Operation: 22-12=10 Exploring Operation: 22-13=9, Resulting Numbers: [12, 9] Generated Node #0,1,1: 10:[12, 9] Operation: 22-13=9 Moving to Node #0,1,0 Current State: 10:[13, 10], Operations: ['60-48=12', '22-12=10'] Exploring Operation: 13+10=23, Resulting Numbers: [23] 23,10 unequal: No Solution Exploring Operation: 13-10=3, Resulting Numbers: [3] 3,10 unequal: No Solution Moving to Node #0,1,1 Current State: 10:[12, 9], Operations: ['60-48=12', '22-13=9'] Exploring Operation: 12+9=21, Resulting Numbers: [21] 21,10 unequal: No Solution Exploring Operation: 12-9=3, Resulting Numbers: [3] 3,10 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 10:[13, 60, 26], Operations: ['48-22=26'] Exploring Operation: 26/13=2, Resulting Numbers: [60, 2] Generated Node #0,0,0: 10:[60, 2] Operation: 26/13=2 Exploring Operation: 60-26=34, Resulting Numbers: [13, 34] Generated Node #0,0,1: 10:[13, 34] Operation: 60-26=34 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 10:[13, 34], Operations: ['48-22=26', '60-26=34'] Exploring Operation: 34-13=21, Resulting Numbers: [21] 21,10 unequal: No Solution Exploring Operation: 13+34=47, Resulting Numbers: [47] 47,10 unequal: No Solution No 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: 10:[60, 2], Operations: ['48-22=26', '26/13=2'] Exploring Operation: 60/2=30, Resulting Numbers: [30] 30,10 unequal: No Solution Exploring Operation: 60-2=58, Resulting Numbers: [58] 58,10 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
[ 45, 26, 43, 66 ]
48
[ "45+26=71", "66-43=23", "71-23=48" ]
Current State: 48:[45, 26, 43, 66], Operations: [] Exploring Operation: 45+26=71, Resulting Numbers: [43, 66, 71] Generated Node #2: [43, 66, 71] from Operation: 45+26=71 Current State: 48:[43, 66, 71], Operations: ['45+26=71'] Exploring Operation: 66-43=23, Resulting Numbers: [71, 23] Generated Node #3: [71, 23] from Operation: 66-43=23 Current State: 48:[71, 23], Operations: ['45+26=71', '66-43=23'] Exploring Operation: 71-23=48, Resulting Numbers: [48] 48,48 equal: Goal Reached
4
Current State: 48:[45, 26, 43, 66], Operations: [] Exploring Operation: 66-45=21, Resulting Numbers: [26, 43, 21] Generated Node #0,0: 48:[26, 43, 21] Operation: 66-45=21 Exploring Operation: 66-26=40, Resulting Numbers: [45, 43, 40] Generated Node #0,1: 48:[45, 43, 40] Operation: 66-26=40 Exploring Operation: 66-43=23, Resulting Numbers: [45, 26, 23] Generated Node #0,2: 48:[45, 26, 23] Operation: 66-43=23 Start Sub Search at level 1: Moving to Node #0,2 Current State: 48:[45, 26, 23], Operations: ['66-43=23'] Exploring Operation: 45-26=19, Resulting Numbers: [23, 19] Generated Node #0,2,0: 48:[23, 19] Operation: 45-26=19 Exploring Operation: 26-23=3, Resulting Numbers: [45, 3] Generated Node #0,2,1: 48:[45, 3] Operation: 26-23=3 Exploring Operation: 45-23=22, Resulting Numbers: [26, 22] Generated Node #0,2,2: 48:[26, 22] Operation: 45-23=22 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 48:[45, 3], Operations: ['66-43=23', '26-23=3'] Exploring Operation: 45-3=42, Resulting Numbers: [42] 42,48 unequal: No Solution Exploring Operation: 45+3=48, Resulting Numbers: [48] 48,48 equal: Goal Reached Moving to Node #0 Current State: 48:[45, 26, 43, 66], Operations: [] Exploring Operation: 66-43=23, Resulting Numbers: [45, 26, 23] Generated Node #0,2: 48:[45, 26, 23] Operation: 66-43=23 Moving to Node #0,2 Current State: 48:[45, 26, 23], Operations: ['66-43=23'] Exploring Operation: 26-23=3, Resulting Numbers: [45, 3] Generated Node #0,2,1: 48:[45, 3] Operation: 26-23=3 Moving to Node #0,2,1 Current State: 48:[45, 3], Operations: ['66-43=23', '26-23=3'] Exploring Operation: 45+3=48, Resulting Numbers: [48] 48,48 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.989583
hs_3
sum_heuristic
[ 7, 23, 9, 85 ]
19
[ "23+85=108", "108/9=12", "7+12=19" ]
Current State: 19:[7, 23, 9, 85], Operations: [] Exploring Operation: 23+85=108, Resulting Numbers: [7, 9, 108] Generated Node #2: [7, 9, 108] from Operation: 23+85=108 Current State: 19:[7, 9, 108], Operations: ['23+85=108'] Exploring Operation: 108/9=12, Resulting Numbers: [7, 12] Generated Node #3: [7, 12] from Operation: 108/9=12 Current State: 19:[7, 12], Operations: ['23+85=108', '108/9=12'] Exploring Operation: 7+12=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
4
Current State: 19:[7, 23, 9, 85], Operations: [] Exploring Operation: 7+9=16, Resulting Numbers: [23, 85, 16] Generated Node #0,0: 19:[23, 85, 16] Operation: 7+9=16 Exploring Operation: 85-7=78, Resulting Numbers: [23, 9, 78] Generated Node #0,1: 19:[23, 9, 78] Operation: 85-7=78 Exploring Operation: 85-23=62, Resulting Numbers: [7, 9, 62] Generated Node #0,2: 19:[7, 9, 62] Operation: 85-23=62 Start Sub Search at level 1: Moving to Node #0,2 Current State: 19:[7, 9, 62], Operations: ['85-23=62'] Exploring Operation: 7+9=16, Resulting Numbers: [62, 16] Generated Node #0,2,0: 19:[62, 16] Operation: 7+9=16 Exploring Operation: 62-7=55, Resulting Numbers: [9, 55] Generated Node #0,2,1: 19:[9, 55] Operation: 62-7=55 Exploring Operation: 62-9=53, Resulting Numbers: [7, 53] Generated Node #0,2,2: 19:[7, 53] Operation: 62-9=53 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 19:[62, 16], Operations: ['85-23=62', '7+9=16'] Exploring Operation: 62+16=78, Resulting Numbers: [78] 78,19 unequal: No Solution Exploring Operation: 62-16=46, Resulting Numbers: [46] 46,19 unequal: No Solution Exploring Operation: 62*16=992, Resulting Numbers: [992] 992,19 unequal: No Solution No 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: 19:[9, 55], Operations: ['85-23=62', '62-7=55'] Exploring Operation: 55-9=46, Resulting Numbers: [46] 46,19 unequal: No Solution Exploring Operation: 9+55=64, Resulting Numbers: [64] 64,19 unequal: No Solution Exploring Operation: 9*55=495, Resulting Numbers: [495] 495,19 unequal: No Solution No 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: 19:[7, 53], Operations: ['85-23=62', '62-9=53'] Exploring Operation: 53-7=46, Resulting Numbers: [46] 46,19 unequal: No Solution Exploring Operation: 7*53=371, Resulting Numbers: [371] 371,19 unequal: No Solution Exploring Operation: 7+53=60, Resulting Numbers: [60] 60,19 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 19:[23, 85, 16], Operations: ['7+9=16'] Exploring Operation: 23-16=7, Resulting Numbers: [85, 7] Generated Node #0,0,0: 19:[85, 7] Operation: 23-16=7 Exploring Operation: 85-23=62, Resulting Numbers: [16, 62] Generated Node #0,0,1: 19:[16, 62] Operation: 85-23=62 Exploring Operation: 85-16=69, Resulting Numbers: [23, 69] Generated Node #0,0,2: 19:[23, 69] Operation: 85-16=69 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 19:[16, 62], Operations: ['7+9=16', '85-23=62'] Exploring Operation: 16+62=78, Resulting Numbers: [78] 78,19 unequal: No Solution Exploring Operation: 62-16=46, Resulting Numbers: [46] 46,19 unequal: No Solution Exploring Operation: 16*62=992, Resulting Numbers: [992] 992,19 unequal: No Solution No 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: 19:[23, 69], Operations: ['7+9=16', '85-16=69'] Exploring Operation: 69-23=46, Resulting Numbers: [46] 46,19 unequal: No Solution Exploring Operation: 69/23=3, Resulting Numbers: [3] 3,19 unequal: No Solution Exploring Operation: 23+69=92, Resulting Numbers: [92] 92,19 unequal: No Solution No 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: 19:[85, 7], Operations: ['7+9=16', '23-16=7'] Exploring Operation: 85+7=92, Resulting Numbers: [92] 92,19 unequal: No Solution Exploring Operation: 85-7=78, Resulting Numbers: [78] 78,19 unequal: No Solution Exploring Operation: 85*7=595, Resulting Numbers: [595] 595,19 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 19:[23, 9, 78], Operations: ['85-7=78'] Exploring Operation: 78-9=69, Resulting Numbers: [23, 69] Generated Node #0,1,0: 19:[23, 69] Operation: 78-9=69 Exploring Operation: 78-23=55, Resulting Numbers: [9, 55] Generated Node #0,1,1: 19:[9, 55] Operation: 78-23=55 Exploring Operation: 23-9=14, Resulting Numbers: [78, 14] Generated Node #0,1,2: 19:[78, 14] Operation: 23-9=14 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 19:[9, 55], Operations: ['85-7=78', '78-23=55'] Exploring Operation: 9+55=64, Resulting Numbers: [64] 64,19 unequal: No Solution Exploring Operation: 9*55=495, Resulting Numbers: [495] 495,19 unequal: No Solution Exploring Operation: 55-9=46, Resulting Numbers: [46] 46,19 unequal: No Solution No 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: 19:[23, 69], Operations: ['85-7=78', '78-9=69'] Exploring Operation: 23+69=92, Resulting Numbers: [92] 92,19 unequal: No Solution Exploring Operation: 69-23=46, Resulting Numbers: [46] 46,19 unequal: No Solution Exploring Operation: 69/23=3, Resulting Numbers: [3] 3,19 unequal: No Solution No 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: 19:[78, 14], Operations: ['85-7=78', '23-9=14'] Exploring Operation: 78*14=1092, Resulting Numbers: [1092] 1092,19 unequal: No Solution Exploring Operation: 78+14=92, Resulting Numbers: [92] 92,19 unequal: No Solution Exploring Operation: 78-14=64, Resulting Numbers: [64] 64,19 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 84, 34, 36, 54 ]
15
[ "84-54=30", "36-34=2", "30/2=15" ]
Current State: 15:[84, 34, 36, 54], Operations: [] Exploring Operation: 84-54=30, Resulting Numbers: [34, 36, 30] Generated Node #2: [34, 36, 30] from Operation: 84-54=30 Current State: 15:[34, 36, 30], Operations: ['84-54=30'] Exploring Operation: 36-34=2, Resulting Numbers: [30, 2] Generated Node #3: [30, 2] from Operation: 36-34=2 Current State: 15:[30, 2], Operations: ['84-54=30', '36-34=2'] Exploring Operation: 30/2=15, Resulting Numbers: [15] 15,15 equal: Goal Reached
4
Current State: 15:[84, 34, 36, 54], Operations: [] Exploring Operation: 84-54=30, Resulting Numbers: [34, 36, 30] Generated Node #0,0: 15:[34, 36, 30] Operation: 84-54=30 Moving to Node #0,0 Current State: 15:[34, 36, 30], Operations: ['84-54=30'] Exploring Operation: 36-34=2, Resulting Numbers: [30, 2] Generated Node #0,0,0: 15:[30, 2] Operation: 36-34=2 Moving to Node #0,0,0 Current State: 15:[30, 2], Operations: ['84-54=30', '36-34=2'] Exploring Operation: 30/2=15, Resulting Numbers: [15] 15,15 equal: Goal Reached Moving to Node #0 Current State: 15:[84, 34, 36, 54], Operations: [] Exploring Operation: 84-54=30, Resulting Numbers: [34, 36, 30] Generated Node #0,0: 15:[34, 36, 30] Operation: 84-54=30 Moving to Node #0,0 Current State: 15:[34, 36, 30], Operations: ['84-54=30'] Exploring Operation: 36-34=2, Resulting Numbers: [30, 2] Generated Node #0,0,0: 15:[30, 2] Operation: 36-34=2 Moving to Node #0,0,0 Current State: 15:[30, 2], Operations: ['84-54=30', '36-34=2'] Exploring Operation: 30/2=15, Resulting Numbers: [15] 15,15 equal: Goal Reached
0.993924
hs_1
sum_heuristic
[ 72, 2, 83, 72 ]
47
[ "72/2=36", "83-72=11", "36+11=47" ]
Current State: 47:[72, 2, 83, 72], Operations: [] Exploring Operation: 72/2=36, Resulting Numbers: [83, 36] Generated Node #2: [83, 36] from Operation: 72/2=36 Current State: 47:[83, 36], Operations: ['72/2=36'] Exploring Operation: 83-72=11, Resulting Numbers: [36, 11] Generated Node #3: [36, 11] from Operation: 83-72=11 Current State: 47:[36, 11], Operations: ['72/2=36', '83-72=11'] Exploring Operation: 36+11=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[72, 2, 83, 72], Operations: [] Exploring Operation: 72/2=36, Resulting Numbers: [83, 72, 36] Generated Node #0,0: 47:[83, 72, 36] Operation: 72/2=36 Exploring Operation: 72/2=36, Resulting Numbers: [72, 83, 36] Generated Node #0,1: 47:[72, 83, 36] Operation: 72/2=36 Exploring Operation: 72-2=70, Resulting Numbers: [83, 72, 70] Generated Node #0,2: 47:[83, 72, 70] Operation: 72-2=70 Exploring Operation: 83-2=81, Resulting Numbers: [72, 72, 81] Generated Node #0,3: 47:[72, 72, 81] Operation: 83-2=81 Moving to Node #0,0 Current State: 47:[83, 72, 36], Operations: ['72/2=36'] Exploring Operation: 83-72=11, Resulting Numbers: [36, 11] Generated Node #0,0,0: 47:[36, 11] Operation: 83-72=11 Exploring Operation: 83-36=47, Resulting Numbers: [72, 47] Generated Node #0,0,1: 47:[72, 47] Operation: 83-36=47 Exploring Operation: 72/36=2, Resulting Numbers: [83, 2] Generated Node #0,0,2: 47:[83, 2] Operation: 72/36=2 Exploring Operation: 72-36=36, Resulting Numbers: [83, 36] Generated Node #0,0,3: 47:[83, 36] Operation: 72-36=36 Moving to Node #0,1 Current State: 47:[72, 83, 36], Operations: ['72/2=36'] Exploring Operation: 72-36=36, Resulting Numbers: [83, 36] Generated Node #0,1,0: 47:[83, 36] Operation: 72-36=36 Exploring Operation: 83-72=11, Resulting Numbers: [36, 11] Generated Node #0,1,1: 47:[36, 11] Operation: 83-72=11 Exploring Operation: 83-36=47, Resulting Numbers: [72, 47] Generated Node #0,1,2: 47:[72, 47] Operation: 83-36=47 Exploring Operation: 72/36=2, Resulting Numbers: [83, 2] Generated Node #0,1,3: 47:[83, 2] Operation: 72/36=2 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 47:[72, 47], Operations: ['72/2=36', '83-36=47'] Exploring Operation: 72+47=119, Resulting Numbers: [119] 119,47 unequal: No Solution Exploring Operation: 72*47=3384, Resulting Numbers: [3384] 3384,47 unequal: No Solution Exploring Operation: 72-47=25, Resulting Numbers: [25] 25,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 47:[83, 36], Operations: ['72/2=36', '72-36=36'] Exploring Operation: 83*36=2988, Resulting Numbers: [2988] 2988,47 unequal: No Solution Exploring Operation: 83+36=119, Resulting Numbers: [119] 119,47 unequal: No Solution Exploring Operation: 83-36=47, Resulting Numbers: [47] 47,47 equal: Goal Reached Moving to Node #0 Current State: 47:[72, 2, 83, 72], Operations: [] Exploring Operation: 72/2=36, Resulting Numbers: [72, 83, 36] Generated Node #0,1: 47:[72, 83, 36] Operation: 72/2=36 Moving to Node #0,1 Current State: 47:[72, 83, 36], Operations: ['72/2=36'] Exploring Operation: 72-36=36, Resulting Numbers: [83, 36] Generated Node #0,1,0: 47:[83, 36] Operation: 72-36=36 Moving to Node #0,1,0 Current State: 47:[83, 36], Operations: ['72/2=36', '72-36=36'] Exploring Operation: 83-36=47, Resulting Numbers: [47] 47,47 equal: Goal Reached Exit Sub Search at level 1
0.980903
hs_4
mult_heuristic
[ 58, 68, 18, 9 ]
92
[ "68*9=612", "612/18=34", "58+34=92" ]
Current State: 92:[58, 68, 18, 9], Operations: [] Exploring Operation: 68*9=612, Resulting Numbers: [58, 18, 612] Generated Node #2: [58, 18, 612] from Operation: 68*9=612 Current State: 92:[58, 18, 612], Operations: ['68*9=612'] Exploring Operation: 612/18=34, Resulting Numbers: [58, 34] Generated Node #3: [58, 34] from Operation: 612/18=34 Current State: 92:[58, 34], Operations: ['68*9=612', '612/18=34'] Exploring Operation: 58+34=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
4
Current State: 92:[58, 68, 18, 9], Operations: [] Exploring Operation: 68-18=50, Resulting Numbers: [58, 9, 50] Generated Node #0,0: 92:[58, 9, 50] Operation: 68-18=50 Exploring Operation: 68-58=10, Resulting Numbers: [18, 9, 10] Generated Node #0,1: 92:[18, 9, 10] Operation: 68-58=10 Exploring Operation: 68+18=86, Resulting Numbers: [58, 9, 86] Generated Node #0,2: 92:[58, 9, 86] Operation: 68+18=86 Start Sub Search at level 1: Moving to Node #0,1 Current State: 92:[18, 9, 10], Operations: ['68-58=10'] Exploring Operation: 9*10=90, Resulting Numbers: [18, 90] Generated Node #0,1,0: 92:[18, 90] Operation: 9*10=90 Exploring Operation: 18/9=2, Resulting Numbers: [10, 2] Generated Node #0,1,1: 92:[10, 2] Operation: 18/9=2 Exploring Operation: 10-9=1, Resulting Numbers: [18, 1] Generated Node #0,1,2: 92:[18, 1] Operation: 10-9=1 Moving to Node #0,1,1 Current State: 92:[10, 2], Operations: ['68-58=10', '18/9=2'] Exploring Operation: 10*2=20, Resulting Numbers: [20] 20,92 unequal: No Solution Exploring Operation: 10-2=8, Resulting Numbers: [8] 8,92 unequal: No Solution Exploring Operation: 10/2=5, Resulting Numbers: [5] 5,92 unequal: No Solution Moving to Node #0,1,2 Current State: 92:[18, 1], Operations: ['68-58=10', '10-9=1'] Exploring Operation: 18+1=19, Resulting Numbers: [19] 19,92 unequal: No Solution Exploring Operation: 18/1=18, Resulting Numbers: [18] 18,92 unequal: No Solution Exploring Operation: 18*1=18, Resulting Numbers: [18] 18,92 unequal: No Solution Moving to Node #0,1,0 Current State: 92:[18, 90], Operations: ['68-58=10', '9*10=90'] Exploring Operation: 18+90=108, Resulting Numbers: [108] 108,92 unequal: No Solution Exploring Operation: 90-18=72, Resulting Numbers: [72] 72,92 unequal: No Solution Exploring Operation: 90/18=5, Resulting Numbers: [5] 5,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 92:[58, 9, 50], Operations: ['68-18=50'] Exploring Operation: 58-9=49, Resulting Numbers: [50, 49] Generated Node #0,0,0: 92:[50, 49] Operation: 58-9=49 Exploring Operation: 50-9=41, Resulting Numbers: [58, 41] Generated Node #0,0,1: 92:[58, 41] Operation: 50-9=41 Exploring Operation: 58-50=8, Resulting Numbers: [9, 8] Generated Node #0,0,2: 92:[9, 8] Operation: 58-50=8 Moving to Node #0,0,0 Current State: 92:[50, 49], Operations: ['68-18=50', '58-9=49'] Exploring Operation: 50-49=1, Resulting Numbers: [1] 1,92 unequal: No Solution Exploring Operation: 50+49=99, Resulting Numbers: [99] 99,92 unequal: No Solution Exploring Operation: 50*49=2450, Resulting Numbers: [2450] 2450,92 unequal: No Solution Moving to Node #0,0,2 Current State: 92:[9, 8], Operations: ['68-18=50', '58-50=8'] Exploring Operation: 9+8=17, Resulting Numbers: [17] 17,92 unequal: No Solution Exploring Operation: 9*8=72, Resulting Numbers: [72] 72,92 unequal: No Solution Exploring Operation: 9-8=1, Resulting Numbers: [1] 1,92 unequal: No Solution Moving to Node #0,0,1 Current State: 92:[58, 41], Operations: ['68-18=50', '50-9=41'] Exploring Operation: 58+41=99, Resulting Numbers: [99] 99,92 unequal: No Solution Exploring Operation: 58*41=2378, Resulting Numbers: [2378] 2378,92 unequal: No Solution Exploring Operation: 58-41=17, Resulting Numbers: [17] 17,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 92:[58, 9, 86], Operations: ['68+18=86'] Exploring Operation: 86-58=28, Resulting Numbers: [9, 28] Generated Node #0,2,0: 92:[9, 28] Operation: 86-58=28 Exploring Operation: 58-9=49, Resulting Numbers: [86, 49] Generated Node #0,2,1: 92:[86, 49] Operation: 58-9=49 Exploring Operation: 9+86=95, Resulting Numbers: [58, 95] Generated Node #0,2,2: 92:[58, 95] Operation: 9+86=95 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 92:[86, 49], Operations: ['68+18=86', '58-9=49'] Exploring Operation: 86*49=4214, Resulting Numbers: [4214] 4214,92 unequal: No Solution Exploring Operation: 86-49=37, Resulting Numbers: [37] 37,92 unequal: No Solution Exploring Operation: 86+49=135, Resulting Numbers: [135] 135,92 unequal: No Solution No 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: 92:[9, 28], Operations: ['68+18=86', '86-58=28'] Exploring Operation: 9+28=37, Resulting Numbers: [37] 37,92 unequal: No Solution Exploring Operation: 9*28=252, Resulting Numbers: [252] 252,92 unequal: No Solution Exploring Operation: 28-9=19, Resulting Numbers: [19] 19,92 unequal: No Solution No 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: 92:[58, 95], Operations: ['68+18=86', '9+86=95'] Exploring Operation: 58*95=5510, Resulting Numbers: [5510] 5510,92 unequal: No Solution Exploring Operation: 95-58=37, Resulting Numbers: [37] 37,92 unequal: No Solution Exploring Operation: 58+95=153, Resulting Numbers: [153] 153,92 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 75, 95, 56, 25 ]
13
[ "75/25=3", "95-56=39", "39/3=13" ]
Current State: 13:[75, 95, 56, 25], Operations: [] Exploring Operation: 75/25=3, Resulting Numbers: [95, 56, 3] Generated Node #2: [95, 56, 3] from Operation: 75/25=3 Current State: 13:[95, 56, 3], Operations: ['75/25=3'] Exploring Operation: 95-56=39, Resulting Numbers: [3, 39] Generated Node #3: [3, 39] from Operation: 95-56=39 Current State: 13:[3, 39], Operations: ['75/25=3', '95-56=39'] Exploring Operation: 39/3=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
4
Current State: 13:[75, 95, 56, 25], Operations: [] Exploring Operation: 75-56=19, Resulting Numbers: [95, 25, 19] Generated Node #0,0: 13:[95, 25, 19] Operation: 75-56=19 Exploring Operation: 95-56=39, Resulting Numbers: [75, 25, 39] Generated Node #0,1: 13:[75, 25, 39] Operation: 95-56=39 Exploring Operation: 95-75=20, Resulting Numbers: [56, 25, 20] Generated Node #0,2: 13:[56, 25, 20] Operation: 95-75=20 Start Sub Search at level 1: Moving to Node #0,2 Current State: 13:[56, 25, 20], Operations: ['95-75=20'] Exploring Operation: 56-25=31, Resulting Numbers: [20, 31] Generated Node #0,2,0: 13:[20, 31] Operation: 56-25=31 Exploring Operation: 25-20=5, Resulting Numbers: [56, 5] Generated Node #0,2,1: 13:[56, 5] Operation: 25-20=5 Exploring Operation: 56-20=36, Resulting Numbers: [25, 36] Generated Node #0,2,2: 13:[25, 36] Operation: 56-20=36 Moving to Node #0,2,0 Current State: 13:[20, 31], Operations: ['95-75=20', '56-25=31'] Exploring Operation: 20+31=51, Resulting Numbers: [51] 51,13 unequal: No Solution Exploring Operation: 20*31=620, Resulting Numbers: [620] 620,13 unequal: No Solution Exploring Operation: 31-20=11, Resulting Numbers: [11] 11,13 unequal: No Solution Moving to Node #0,2,2 Current State: 13:[25, 36], Operations: ['95-75=20', '56-20=36'] Exploring Operation: 25*36=900, Resulting Numbers: [900] 900,13 unequal: No Solution Exploring Operation: 36-25=11, Resulting Numbers: [11] 11,13 unequal: No Solution Exploring Operation: 25+36=61, Resulting Numbers: [61] 61,13 unequal: No Solution Moving to Node #0,2,1 Current State: 13:[56, 5], Operations: ['95-75=20', '25-20=5'] Exploring Operation: 56+5=61, Resulting Numbers: [61] 61,13 unequal: No Solution Exploring Operation: 56*5=280, Resulting Numbers: [280] 280,13 unequal: No Solution Exploring Operation: 56-5=51, Resulting Numbers: [51] 51,13 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 Current State: 13:[95, 25, 19], Operations: ['75-56=19'] Exploring Operation: 95-19=76, Resulting Numbers: [25, 76] Generated Node #0,0,0: 13:[25, 76] Operation: 95-19=76 Exploring Operation: 95/19=5, Resulting Numbers: [25, 5] Generated Node #0,0,1: 13:[25, 5] Operation: 95/19=5 Exploring Operation: 95-25=70, Resulting Numbers: [19, 70] Generated Node #0,0,2: 13:[19, 70] Operation: 95-25=70 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 13:[25, 5], Operations: ['75-56=19', '95/19=5'] Exploring Operation: 25/5=5, Resulting Numbers: [5] 5,13 unequal: No Solution Exploring Operation: 25+5=30, Resulting Numbers: [30] 30,13 unequal: No Solution Exploring Operation: 25-5=20, Resulting Numbers: [20] 20,13 unequal: No Solution No 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: 13:[19, 70], Operations: ['75-56=19', '95-25=70'] Exploring Operation: 70-19=51, Resulting Numbers: [51] 51,13 unequal: No Solution Exploring Operation: 19+70=89, Resulting Numbers: [89] 89,13 unequal: No Solution Exploring Operation: 19*70=1330, Resulting Numbers: [1330] 1330,13 unequal: No Solution No 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: 13:[25, 76], Operations: ['75-56=19', '95-19=76'] Exploring Operation: 25*76=1900, Resulting Numbers: [1900] 1900,13 unequal: No Solution Exploring Operation: 25+76=101, Resulting Numbers: [101] 101,13 unequal: No Solution Exploring Operation: 76-25=51, Resulting Numbers: [51] 51,13 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: 13:[75, 25, 39], Operations: ['95-56=39'] Exploring Operation: 75/25=3, Resulting Numbers: [39, 3] Generated Node #0,1,0: 13:[39, 3] Operation: 75/25=3 Exploring Operation: 75-39=36, Resulting Numbers: [25, 36] Generated Node #0,1,1: 13:[25, 36] Operation: 75-39=36 Exploring Operation: 75-25=50, Resulting Numbers: [39, 50] Generated Node #0,1,2: 13:[39, 50] Operation: 75-25=50 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 13:[25, 36], Operations: ['95-56=39', '75-39=36'] Exploring Operation: 25*36=900, Resulting Numbers: [900] 900,13 unequal: No Solution Exploring Operation: 36-25=11, Resulting Numbers: [11] 11,13 unequal: No Solution Exploring Operation: 25+36=61, Resulting Numbers: [61] 61,13 unequal: No Solution No 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: 13:[39, 3], Operations: ['95-56=39', '75/25=3'] Exploring Operation: 39-3=36, Resulting Numbers: [36] 36,13 unequal: No Solution Exploring Operation: 39/3=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Moving to Node #0 Current State: 13:[75, 95, 56, 25], Operations: [] Exploring Operation: 95-56=39, Resulting Numbers: [75, 25, 39] Generated Node #0,1: 13:[75, 25, 39] Operation: 95-56=39 Moving to Node #0,1 Current State: 13:[75, 25, 39], Operations: ['95-56=39'] Exploring Operation: 75/25=3, Resulting Numbers: [39, 3] Generated Node #0,1,0: 13:[39, 3] Operation: 75/25=3 Moving to Node #0,1,0 Current State: 13:[39, 3], Operations: ['95-56=39', '75/25=3'] Exploring Operation: 39/3=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.966146
hs_3
sum_heuristic
[ 39, 82, 27, 1 ]
36
[ "82-1=81", "81/27=3", "39-3=36" ]
Current State: 36:[39, 82, 27, 1], Operations: [] Exploring Operation: 82-1=81, Resulting Numbers: [39, 27, 81] Generated Node #2: [39, 27, 81] from Operation: 82-1=81 Current State: 36:[39, 27, 81], Operations: ['82-1=81'] Exploring Operation: 81/27=3, Resulting Numbers: [39, 3] Generated Node #3: [39, 3] from Operation: 81/27=3 Current State: 36:[39, 3], Operations: ['82-1=81', '81/27=3'] Exploring Operation: 39-3=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
4
Current State: 36:[39, 82, 27, 1], Operations: [] Exploring Operation: 82-27=55, Resulting Numbers: [39, 1, 55] Generated Node #0,0: 36:[39, 1, 55] Operation: 82-27=55 Exploring Operation: 82-39=43, Resulting Numbers: [27, 1, 43] Generated Node #0,1: 36:[27, 1, 43] Operation: 82-39=43 Exploring Operation: 39-27=12, Resulting Numbers: [82, 1, 12] Generated Node #0,2: 36:[82, 1, 12] Operation: 39-27=12 Start Sub Search at level 1: Moving to Node #0,1 Current State: 36:[27, 1, 43], Operations: ['82-39=43'] Exploring Operation: 27+1=28, Resulting Numbers: [43, 28] Generated Node #0,1,0: 36:[43, 28] Operation: 27+1=28 Exploring Operation: 27-1=26, Resulting Numbers: [43, 26] Generated Node #0,1,1: 36:[43, 26] Operation: 27-1=26 Exploring Operation: 43-27=16, Resulting Numbers: [1, 16] Generated Node #0,1,2: 36:[1, 16] Operation: 43-27=16 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 36:[1, 16], Operations: ['82-39=43', '43-27=16'] Exploring Operation: 16/1=16, Resulting Numbers: [16] 16,36 unequal: No Solution Exploring Operation: 1+16=17, Resulting Numbers: [17] 17,36 unequal: No Solution Exploring Operation: 1*16=16, Resulting Numbers: [16] 16,36 unequal: No Solution No 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: 36:[43, 28], Operations: ['82-39=43', '27+1=28'] Exploring Operation: 43+28=71, Resulting Numbers: [71] 71,36 unequal: No Solution Exploring Operation: 43-28=15, Resulting Numbers: [15] 15,36 unequal: No Solution Exploring Operation: 43*28=1204, Resulting Numbers: [1204] 1204,36 unequal: No Solution No 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: 36:[43, 26], Operations: ['82-39=43', '27-1=26'] Exploring Operation: 43*26=1118, Resulting Numbers: [1118] 1118,36 unequal: No Solution Exploring Operation: 43+26=69, Resulting Numbers: [69] 69,36 unequal: No Solution Exploring Operation: 43-26=17, Resulting Numbers: [17] 17,36 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: 36:[39, 1, 55], Operations: ['82-27=55'] Exploring Operation: 55-39=16, Resulting Numbers: [1, 16] Generated Node #0,0,0: 36:[1, 16] Operation: 55-39=16 Exploring Operation: 55-1=54, Resulting Numbers: [39, 54] Generated Node #0,0,1: 36:[39, 54] Operation: 55-1=54 Exploring Operation: 39-1=38, Resulting Numbers: [55, 38] Generated Node #0,0,2: 36:[55, 38] Operation: 39-1=38 Moving to Node #0,0,0 Current State: 36:[1, 16], Operations: ['82-27=55', '55-39=16'] Exploring Operation: 1+16=17, Resulting Numbers: [17] 17,36 unequal: No Solution Exploring Operation: 16/1=16, Resulting Numbers: [16] 16,36 unequal: No Solution Exploring Operation: 1*16=16, Resulting Numbers: [16] 16,36 unequal: No Solution Moving to Node #0,0,1 Current State: 36:[39, 54], Operations: ['82-27=55', '55-1=54'] Exploring Operation: 39+54=93, Resulting Numbers: [93] 93,36 unequal: No Solution Exploring Operation: 54-39=15, Resulting Numbers: [15] 15,36 unequal: No Solution Exploring Operation: 39*54=2106, Resulting Numbers: [2106] 2106,36 unequal: No Solution Moving to Node #0,0,2 Current State: 36:[55, 38], Operations: ['82-27=55', '39-1=38'] Exploring Operation: 55+38=93, Resulting Numbers: [93] 93,36 unequal: No Solution Exploring Operation: 55*38=2090, Resulting Numbers: [2090] 2090,36 unequal: No Solution Exploring Operation: 55-38=17, Resulting Numbers: [17] 17,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 36:[82, 1, 12], Operations: ['39-27=12'] Exploring Operation: 82*1=82, Resulting Numbers: [12, 82] Generated Node #0,2,0: 36:[12, 82] Operation: 82*1=82 Exploring Operation: 82-1=81, Resulting Numbers: [12, 81] Generated Node #0,2,1: 36:[12, 81] Operation: 82-1=81 Exploring Operation: 82-12=70, Resulting Numbers: [1, 70] Generated Node #0,2,2: 36:[1, 70] Operation: 82-12=70 Moving to Node #0,2,2 Current State: 36:[1, 70], Operations: ['39-27=12', '82-12=70'] Exploring Operation: 70/1=70, Resulting Numbers: [70] 70,36 unequal: No Solution Exploring Operation: 1*70=70, Resulting Numbers: [70] 70,36 unequal: No Solution Exploring Operation: 70-1=69, Resulting Numbers: [69] 69,36 unequal: No Solution Moving to Node #0,2,1 Current State: 36:[12, 81], Operations: ['39-27=12', '82-1=81'] Exploring Operation: 81-12=69, Resulting Numbers: [69] 69,36 unequal: No Solution Exploring Operation: 12+81=93, Resulting Numbers: [93] 93,36 unequal: No Solution Exploring Operation: 12*81=972, Resulting Numbers: [972] 972,36 unequal: No Solution Moving to Node #0,2,0 Current State: 36:[12, 82], Operations: ['39-27=12', '82*1=82'] Exploring Operation: 12+82=94, Resulting Numbers: [94] 94,36 unequal: No Solution Exploring Operation: 82-12=70, Resulting Numbers: [70] 70,36 unequal: No Solution Exploring Operation: 12*82=984, Resulting Numbers: [984] 984,36 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
[ 39, 87, 88, 82 ]
54
[ "87-39=48", "88-82=6", "48+6=54" ]
Current State: 54:[39, 87, 88, 82], Operations: [] Exploring Operation: 87-39=48, Resulting Numbers: [88, 82, 48] Generated Node #2: [88, 82, 48] from Operation: 87-39=48 Current State: 54:[88, 82, 48], Operations: ['87-39=48'] Exploring Operation: 88-82=6, Resulting Numbers: [48, 6] Generated Node #3: [48, 6] from Operation: 88-82=6 Current State: 54:[48, 6], Operations: ['87-39=48', '88-82=6'] Exploring Operation: 48+6=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
4
Current State: 54:[39, 87, 88, 82], Operations: [] Exploring Operation: 87-82=5, Resulting Numbers: [39, 88, 5] Generated Node #0,0: 54:[39, 88, 5] Operation: 87-82=5 Exploring Operation: 88-87=1, Resulting Numbers: [39, 82, 1] Generated Node #0,1: 54:[39, 82, 1] Operation: 88-87=1 Exploring Operation: 88-39=49, Resulting Numbers: [87, 82, 49] Generated Node #0,2: 54:[87, 82, 49] Operation: 88-39=49 Exploring Operation: 87-39=48, Resulting Numbers: [88, 82, 48] Generated Node #0,3: 54:[88, 82, 48] Operation: 87-39=48 Exploring Operation: 88-82=6, Resulting Numbers: [39, 87, 6] Generated Node #0,4: 54:[39, 87, 6] Operation: 88-82=6 Moving to Node #0,1 Current State: 54:[39, 82, 1], Operations: ['88-87=1'] Exploring Operation: 39*1=39, Resulting Numbers: [82, 39] Generated Node #0,1,0: 54:[82, 39] Operation: 39*1=39 Exploring Operation: 82-1=81, Resulting Numbers: [39, 81] Generated Node #0,1,1: 54:[39, 81] Operation: 82-1=81 Exploring Operation: 82-39=43, Resulting Numbers: [1, 43] Generated Node #0,1,2: 54:[1, 43] Operation: 82-39=43 Exploring Operation: 39/1=39, Resulting Numbers: [82, 39] Generated Node #0,1,3: 54:[82, 39] Operation: 39/1=39 Exploring Operation: 39-1=38, Resulting Numbers: [82, 38] Generated Node #0,1,4: 54:[82, 38] Operation: 39-1=38 Moving to Node #0,4 Current State: 54:[39, 87, 6], Operations: ['88-82=6'] Exploring Operation: 39-6=33, Resulting Numbers: [87, 33] Generated Node #0,4,0: 54:[87, 33] Operation: 39-6=33 Exploring Operation: 87+6=93, Resulting Numbers: [39, 93] Generated Node #0,4,1: 54:[39, 93] Operation: 87+6=93 Exploring Operation: 39+6=45, Resulting Numbers: [87, 45] Generated Node #0,4,2: 54:[87, 45] Operation: 39+6=45 Exploring Operation: 87-6=81, Resulting Numbers: [39, 81] Generated Node #0,4,3: 54:[39, 81] Operation: 87-6=81 Exploring Operation: 87-39=48, Resulting Numbers: [6, 48] Generated Node #0,4,4: 54:[6, 48] Operation: 87-39=48 Moving to Node #0,0 Current State: 54:[39, 88, 5], Operations: ['87-82=5'] Exploring Operation: 88-5=83, Resulting Numbers: [39, 83] Generated Node #0,0,0: 54:[39, 83] Operation: 88-5=83 Exploring Operation: 88-39=49, Resulting Numbers: [5, 49] Generated Node #0,0,1: 54:[5, 49] Operation: 88-39=49 Exploring Operation: 39-5=34, Resulting Numbers: [88, 34] Generated Node #0,0,2: 54:[88, 34] Operation: 39-5=34 Exploring Operation: 39+5=44, Resulting Numbers: [88, 44] Generated Node #0,0,3: 54:[88, 44] Operation: 39+5=44 Exploring Operation: 88+5=93, Resulting Numbers: [39, 93] Generated Node #0,0,4: 54:[39, 93] Operation: 88+5=93 Moving to Node #0,2 Current State: 54:[87, 82, 49], Operations: ['88-39=49'] Exploring Operation: 87+49=136, Resulting Numbers: [82, 136] Generated Node #0,2,0: 54:[82, 136] Operation: 87+49=136 Exploring Operation: 87-49=38, Resulting Numbers: [82, 38] Generated Node #0,2,1: 54:[82, 38] Operation: 87-49=38 Exploring Operation: 82+49=131, Resulting Numbers: [87, 131] Generated Node #0,2,2: 54:[87, 131] Operation: 82+49=131 Exploring Operation: 82-49=33, Resulting Numbers: [87, 33] Generated Node #0,2,3: 54:[87, 33] Operation: 82-49=33 Exploring Operation: 87-82=5, Resulting Numbers: [49, 5] Generated Node #0,2,4: 54:[49, 5] Operation: 87-82=5 Moving to Node #0,3 Current State: 54:[88, 82, 48], Operations: ['87-39=48'] Exploring Operation: 88+48=136, Resulting Numbers: [82, 136] Generated Node #0,3,0: 54:[82, 136] Operation: 88+48=136 Exploring Operation: 88-82=6, Resulting Numbers: [48, 6] Generated Node #0,3,1: 54:[48, 6] Operation: 88-82=6 Exploring Operation: 88-48=40, Resulting Numbers: [82, 40] Generated Node #0,3,2: 54:[82, 40] Operation: 88-48=40 Exploring Operation: 82+48=130, Resulting Numbers: [88, 130] Generated Node #0,3,3: 54:[88, 130] Operation: 82+48=130 Exploring Operation: 82-48=34, Resulting Numbers: [88, 34] Generated Node #0,3,4: 54:[88, 34] Operation: 82-48=34 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 54:[48, 6], Operations: ['87-39=48', '88-82=6'] Exploring Operation: 48-6=42, Resulting Numbers: [42] 42,54 unequal: No Solution Exploring Operation: 48*6=288, Resulting Numbers: [288] 288,54 unequal: No Solution Exploring Operation: 48+6=54, Resulting Numbers: [54] 54,54 equal: Goal Reached Moving to Node #0 Current State: 54:[39, 87, 88, 82], Operations: [] Exploring Operation: 87-39=48, Resulting Numbers: [88, 82, 48] Generated Node #0,3: 54:[88, 82, 48] Operation: 87-39=48 Moving to Node #0,3 Current State: 54:[88, 82, 48], Operations: ['87-39=48'] Exploring Operation: 88-82=6, Resulting Numbers: [48, 6] Generated Node #0,3,1: 54:[48, 6] Operation: 88-82=6 Moving to Node #0,3,1 Current State: 54:[48, 6], Operations: ['87-39=48', '88-82=6'] Exploring Operation: 48+6=54, Resulting Numbers: [54] 54,54 equal: Goal Reached Exit Sub Search at level 1
0.967882
hs_5
mult_heuristic
[ 4, 24, 98, 12 ]
53
[ "24/12=2", "98/2=49", "4+49=53" ]
Current State: 53:[4, 24, 98, 12], Operations: [] Exploring Operation: 24/12=2, Resulting Numbers: [4, 98, 2] Generated Node #2: [4, 98, 2] from Operation: 24/12=2 Current State: 53:[4, 98, 2], Operations: ['24/12=2'] Exploring Operation: 98/2=49, Resulting Numbers: [4, 49] Generated Node #3: [4, 49] from Operation: 98/2=49 Current State: 53:[4, 49], Operations: ['24/12=2', '98/2=49'] Exploring Operation: 4+49=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[4, 24, 98, 12], Operations: [] Exploring Operation: 4+24=28, Resulting Numbers: [98, 12, 28] Generated Node #0,0: 53:[98, 12, 28] Operation: 4+24=28 Exploring Operation: 4*12=48, Resulting Numbers: [24, 98, 48] Generated Node #0,1: 53:[24, 98, 48] Operation: 4*12=48 Start Sub Search at level 1: Moving to Node #0,1 Current State: 53:[24, 98, 48], Operations: ['4*12=48'] Exploring Operation: 98-48=50, Resulting Numbers: [24, 50] Generated Node #0,1,0: 53:[24, 50] Operation: 98-48=50 Exploring Operation: 98-24=74, Resulting Numbers: [48, 74] Generated Node #0,1,1: 53:[48, 74] Operation: 98-24=74 Moving to Node #0,1,1 Current State: 53:[48, 74], Operations: ['4*12=48', '98-24=74'] Exploring Operation: 48+74=122, Resulting Numbers: [122] 122,53 unequal: No Solution Exploring Operation: 74-48=26, Resulting Numbers: [26] 26,53 unequal: No Solution Moving to Node #0,1,0 Current State: 53:[24, 50], Operations: ['4*12=48', '98-48=50'] Exploring Operation: 24+50=74, Resulting Numbers: [74] 74,53 unequal: No Solution Exploring Operation: 50-24=26, Resulting Numbers: [26] 26,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 53:[98, 12, 28], Operations: ['4+24=28'] Exploring Operation: 98-28=70, Resulting Numbers: [12, 70] Generated Node #0,0,0: 53:[12, 70] Operation: 98-28=70 Exploring Operation: 98-12=86, Resulting Numbers: [28, 86] Generated Node #0,0,1: 53:[28, 86] Operation: 98-12=86 Moving to Node #0,0,0 Current State: 53:[12, 70], Operations: ['4+24=28', '98-28=70'] Exploring Operation: 12+70=82, Resulting Numbers: [82] 82,53 unequal: No Solution Exploring Operation: 70-12=58, Resulting Numbers: [58] 58,53 unequal: No Solution Moving to Node #0,0,1 Current State: 53:[28, 86], Operations: ['4+24=28', '98-12=86'] Exploring Operation: 28+86=114, Resulting Numbers: [114] 114,53 unequal: No Solution Exploring Operation: 86-28=58, Resulting Numbers: [58] 58,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 10, 6, 13, 27 ]
89
[ "27-10=17", "6*17=102", "102-13=89" ]
Current State: 89:[10, 6, 13, 27], Operations: [] Exploring Operation: 27-10=17, Resulting Numbers: [6, 13, 17] Generated Node #2: [6, 13, 17] from Operation: 27-10=17 Current State: 89:[6, 13, 17], Operations: ['27-10=17'] Exploring Operation: 6*17=102, Resulting Numbers: [13, 102] Generated Node #3: [13, 102] from Operation: 6*17=102 Current State: 89:[13, 102], Operations: ['27-10=17', '6*17=102'] Exploring Operation: 102-13=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
4
Current State: 89:[10, 6, 13, 27], Operations: [] Exploring Operation: 10*6=60, Resulting Numbers: [13, 27, 60] Generated Node #0,0: 89:[13, 27, 60] Operation: 10*6=60 Exploring Operation: 6*13=78, Resulting Numbers: [10, 27, 78] Generated Node #0,1: 89:[10, 27, 78] Operation: 6*13=78 Start Sub Search at level 1: Moving to Node #0,1 Current State: 89:[10, 27, 78], Operations: ['6*13=78'] Exploring Operation: 10+78=88, Resulting Numbers: [27, 88] Generated Node #0,1,0: 89:[27, 88] Operation: 10+78=88 Exploring Operation: 10+27=37, Resulting Numbers: [78, 37] Generated Node #0,1,1: 89:[78, 37] Operation: 10+27=37 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 89:[27, 88], Operations: ['6*13=78', '10+78=88'] Exploring Operation: 27+88=115, Resulting Numbers: [115] 115,89 unequal: No Solution Exploring Operation: 88-27=61, Resulting Numbers: [61] 61,89 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 89:[78, 37], Operations: ['6*13=78', '10+27=37'] Exploring Operation: 78-37=41, Resulting Numbers: [41] 41,89 unequal: No Solution Exploring Operation: 78+37=115, Resulting Numbers: [115] 115,89 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 89:[13, 27, 60], Operations: ['10*6=60'] Exploring Operation: 13+60=73, Resulting Numbers: [27, 73] Generated Node #0,0,0: 89:[27, 73] Operation: 13+60=73 Exploring Operation: 13+27=40, Resulting Numbers: [60, 40] Generated Node #0,0,1: 89:[60, 40] Operation: 13+27=40 Moving to Node #0,0,0 Current State: 89:[27, 73], Operations: ['10*6=60', '13+60=73'] Exploring Operation: 27+73=100, Resulting Numbers: [100] 100,89 unequal: No Solution Exploring Operation: 73-27=46, Resulting Numbers: [46] 46,89 unequal: No Solution Moving to Node #0,0,1 Current State: 89:[60, 40], Operations: ['10*6=60', '13+27=40'] Exploring Operation: 60-40=20, Resulting Numbers: [20] 20,89 unequal: No Solution Exploring Operation: 60+40=100, Resulting Numbers: [100] 100,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 81, 20, 86, 39 ]
43
[ "86-81=5", "20/5=4", "39+4=43" ]
Current State: 43:[81, 20, 86, 39], Operations: [] Exploring Operation: 86-81=5, Resulting Numbers: [20, 39, 5] Generated Node #2: [20, 39, 5] from Operation: 86-81=5 Current State: 43:[20, 39, 5], Operations: ['86-81=5'] Exploring Operation: 20/5=4, Resulting Numbers: [39, 4] Generated Node #3: [39, 4] from Operation: 20/5=4 Current State: 43:[39, 4], Operations: ['86-81=5', '20/5=4'] Exploring Operation: 39+4=43, Resulting Numbers: [43] 43,43 equal: Goal Reached
4
Current State: 43:[81, 20, 86, 39], Operations: [] Exploring Operation: 81-20=61, Resulting Numbers: [86, 39, 61] Generated Node #0,0: 43:[86, 39, 61] Operation: 81-20=61 Exploring Operation: 86-81=5, Resulting Numbers: [20, 39, 5] Generated Node #0,1: 43:[20, 39, 5] Operation: 86-81=5 Start Sub Search at level 1: Moving to Node #0,0 Current State: 43:[86, 39, 61], Operations: ['81-20=61'] Exploring Operation: 86-39=47, Resulting Numbers: [61, 47] Generated Node #0,0,0: 43:[61, 47] Operation: 86-39=47 Exploring Operation: 86-61=25, Resulting Numbers: [39, 25] Generated Node #0,0,1: 43:[39, 25] Operation: 86-61=25 Moving to Node #0,0,0 Current State: 43:[61, 47], Operations: ['81-20=61', '86-39=47'] Exploring Operation: 61+47=108, Resulting Numbers: [108] 108,43 unequal: No Solution Exploring Operation: 61-47=14, Resulting Numbers: [14] 14,43 unequal: No Solution Moving to Node #0,0,1 Current State: 43:[39, 25], Operations: ['81-20=61', '86-61=25'] Exploring Operation: 39+25=64, Resulting Numbers: [64] 64,43 unequal: No Solution Exploring Operation: 39-25=14, Resulting Numbers: [14] 14,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 43:[20, 39, 5], Operations: ['86-81=5'] Exploring Operation: 39+5=44, Resulting Numbers: [20, 44] Generated Node #0,1,0: 43:[20, 44] Operation: 39+5=44 Exploring Operation: 20+5=25, Resulting Numbers: [39, 25] Generated Node #0,1,1: 43:[39, 25] Operation: 20+5=25 Moving to Node #0,1,1 Current State: 43:[39, 25], Operations: ['86-81=5', '20+5=25'] Exploring Operation: 39-25=14, Resulting Numbers: [14] 14,43 unequal: No Solution Exploring Operation: 39+25=64, Resulting Numbers: [64] 64,43 unequal: No Solution Moving to Node #0,1,0 Current State: 43:[20, 44], Operations: ['86-81=5', '39+5=44'] Exploring Operation: 20+44=64, Resulting Numbers: [64] 64,43 unequal: No Solution Exploring Operation: 44-20=24, Resulting Numbers: [24] 24,43 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
[ 14, 35, 58, 63 ]
60
[ "63-35=28", "28/14=2", "58+2=60" ]
Current State: 60:[14, 35, 58, 63], Operations: [] Exploring Operation: 63-35=28, Resulting Numbers: [14, 58, 28] Generated Node #2: [14, 58, 28] from Operation: 63-35=28 Current State: 60:[14, 58, 28], Operations: ['63-35=28'] Exploring Operation: 28/14=2, Resulting Numbers: [58, 2] Generated Node #3: [58, 2] from Operation: 28/14=2 Current State: 60:[58, 2], Operations: ['63-35=28', '28/14=2'] Exploring Operation: 58+2=60, Resulting Numbers: [60] 60,60 equal: Goal Reached
4
Current State: 60:[14, 35, 58, 63], Operations: [] Exploring Operation: 58-35=23, Resulting Numbers: [14, 63, 23] Generated Node #0,0: 60:[14, 63, 23] Operation: 58-35=23 Exploring Operation: 63-35=28, Resulting Numbers: [14, 58, 28] Generated Node #0,1: 60:[14, 58, 28] Operation: 63-35=28 Exploring Operation: 63-58=5, Resulting Numbers: [14, 35, 5] Generated Node #0,2: 60:[14, 35, 5] Operation: 63-58=5 Exploring Operation: 35-14=21, Resulting Numbers: [58, 63, 21] Generated Node #0,3: 60:[58, 63, 21] Operation: 35-14=21 Moving to Node #0,1 Current State: 60:[14, 58, 28], Operations: ['63-35=28'] Exploring Operation: 28/14=2, Resulting Numbers: [58, 2] Generated Node #0,1,0: 60:[58, 2] Operation: 28/14=2 Exploring Operation: 58-28=30, Resulting Numbers: [14, 30] Generated Node #0,1,1: 60:[14, 30] Operation: 58-28=30 Exploring Operation: 28-14=14, Resulting Numbers: [58, 14] Generated Node #0,1,2: 60:[58, 14] Operation: 28-14=14 Exploring Operation: 14+58=72, Resulting Numbers: [28, 72] Generated Node #0,1,3: 60:[28, 72] Operation: 14+58=72 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 60:[14, 30], Operations: ['63-35=28', '58-28=30'] Exploring Operation: 14*30=420, Resulting Numbers: [420] 420,60 unequal: No Solution Exploring Operation: 14+30=44, Resulting Numbers: [44] 44,60 unequal: No Solution Exploring Operation: 30-14=16, Resulting Numbers: [16] 16,60 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 60:[58, 2], Operations: ['63-35=28', '28/14=2'] Exploring Operation: 58-2=56, Resulting Numbers: [56] 56,60 unequal: No Solution Exploring Operation: 58*2=116, Resulting Numbers: [116] 116,60 unequal: No Solution Exploring Operation: 58/2=29, Resulting Numbers: [29] 29,60 unequal: No Solution Exploring Operation: 58+2=60, Resulting Numbers: [60] 60,60 equal: Goal Reached Moving to Node #0 Current State: 60:[14, 35, 58, 63], Operations: [] Exploring Operation: 63-35=28, Resulting Numbers: [14, 58, 28] Generated Node #0,1: 60:[14, 58, 28] Operation: 63-35=28 Moving to Node #0,1 Current State: 60:[14, 58, 28], Operations: ['63-35=28'] Exploring Operation: 28/14=2, Resulting Numbers: [58, 2] Generated Node #0,1,0: 60:[58, 2] Operation: 28/14=2 Moving to Node #0,1,0 Current State: 60:[58, 2], Operations: ['63-35=28', '28/14=2'] Exploring Operation: 58+2=60, Resulting Numbers: [60] 60,60 equal: Goal Reached Exit Sub Search at level 1
0.983507
hs_4
mult_heuristic
[ 88, 80, 37, 89 ]
44
[ "88-80=8", "89-37=52", "52-8=44" ]
Current State: 44:[88, 80, 37, 89], Operations: [] Exploring Operation: 88-80=8, Resulting Numbers: [37, 89, 8] Generated Node #2: [37, 89, 8] from Operation: 88-80=8 Current State: 44:[37, 89, 8], Operations: ['88-80=8'] Exploring Operation: 89-37=52, Resulting Numbers: [8, 52] Generated Node #3: [8, 52] from Operation: 89-37=52 Current State: 44:[8, 52], Operations: ['88-80=8', '89-37=52'] Exploring Operation: 52-8=44, Resulting Numbers: [44] 44,44 equal: Goal Reached
4
Current State: 44:[88, 80, 37, 89], Operations: [] Exploring Operation: 89-80=9, Resulting Numbers: [88, 37, 9] Generated Node #0,0: 44:[88, 37, 9] Operation: 89-80=9 Exploring Operation: 89-88=1, Resulting Numbers: [80, 37, 1] Generated Node #0,1: 44:[80, 37, 1] Operation: 89-88=1 Start Sub Search at level 1: Moving to Node #0,1 Current State: 44:[80, 37, 1], Operations: ['89-88=1'] Exploring Operation: 80-1=79, Resulting Numbers: [37, 79] Generated Node #0,1,0: 44:[37, 79] Operation: 80-1=79 Exploring Operation: 80-37=43, Resulting Numbers: [1, 43] Generated Node #0,1,1: 44:[1, 43] Operation: 80-37=43 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 44:[1, 43], Operations: ['89-88=1', '80-37=43'] Exploring Operation: 1*43=43, Resulting Numbers: [43] 43,44 unequal: No Solution Exploring Operation: 1+43=44, Resulting Numbers: [44] 44,44 equal: Goal Reached Moving to Node #0 Current State: 44:[88, 80, 37, 89], Operations: [] Exploring Operation: 89-88=1, Resulting Numbers: [80, 37, 1] Generated Node #0,1: 44:[80, 37, 1] Operation: 89-88=1 Moving to Node #0,1 Current State: 44:[80, 37, 1], Operations: ['89-88=1'] Exploring Operation: 80-37=43, Resulting Numbers: [1, 43] Generated Node #0,1,1: 44:[1, 43] Operation: 80-37=43 Moving to Node #0,1,1 Current State: 44:[1, 43], Operations: ['89-88=1', '80-37=43'] Exploring Operation: 1+43=44, Resulting Numbers: [44] 44,44 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.991319
hs_2
sum_heuristic
[ 23, 78, 24, 21 ]
66
[ "23-21=2", "24/2=12", "78-12=66" ]
Current State: 66:[23, 78, 24, 21], Operations: [] Exploring Operation: 23-21=2, Resulting Numbers: [78, 24, 2] Generated Node #2: [78, 24, 2] from Operation: 23-21=2 Current State: 66:[78, 24, 2], Operations: ['23-21=2'] Exploring Operation: 24/2=12, Resulting Numbers: [78, 12] Generated Node #3: [78, 12] from Operation: 24/2=12 Current State: 66:[78, 12], Operations: ['23-21=2', '24/2=12'] Exploring Operation: 78-12=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
4
Current State: 66:[23, 78, 24, 21], Operations: [] Exploring Operation: 78-21=57, Resulting Numbers: [23, 24, 57] Generated Node #0,0: 66:[23, 24, 57] Operation: 78-21=57 Exploring Operation: 24-21=3, Resulting Numbers: [23, 78, 3] Generated Node #0,1: 66:[23, 78, 3] Operation: 24-21=3 Exploring Operation: 23-21=2, Resulting Numbers: [78, 24, 2] Generated Node #0,2: 66:[78, 24, 2] Operation: 23-21=2 Exploring Operation: 78-23=55, Resulting Numbers: [24, 21, 55] Generated Node #0,3: 66:[24, 21, 55] Operation: 78-23=55 Exploring Operation: 24-23=1, Resulting Numbers: [78, 21, 1] Generated Node #0,4: 66:[78, 21, 1] Operation: 24-23=1 Moving to Node #0,0 Current State: 66:[23, 24, 57], Operations: ['78-21=57'] Exploring Operation: 23+57=80, Resulting Numbers: [24, 80] Generated Node #0,0,0: 66:[24, 80] Operation: 23+57=80 Exploring Operation: 24-23=1, Resulting Numbers: [57, 1] Generated Node #0,0,1: 66:[57, 1] Operation: 24-23=1 Exploring Operation: 57-24=33, Resulting Numbers: [23, 33] Generated Node #0,0,2: 66:[23, 33] Operation: 57-24=33 Exploring Operation: 57-23=34, Resulting Numbers: [24, 34] Generated Node #0,0,3: 66:[24, 34] Operation: 57-23=34 Exploring Operation: 24+57=81, Resulting Numbers: [23, 81] Generated Node #0,0,4: 66:[23, 81] Operation: 24+57=81 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 66:[23, 33], Operations: ['78-21=57', '57-24=33'] Exploring Operation: 33-23=10, Resulting Numbers: [10] 10,66 unequal: No Solution Exploring Operation: 23+33=56, Resulting Numbers: [56] 56,66 unequal: No Solution Exploring Operation: 23*33=759, Resulting Numbers: [759] 759,66 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 66:[24, 34], Operations: ['78-21=57', '57-23=34'] Exploring Operation: 34-24=10, Resulting Numbers: [10] 10,66 unequal: No Solution Exploring Operation: 24*34=816, Resulting Numbers: [816] 816,66 unequal: No Solution Exploring Operation: 24+34=58, Resulting Numbers: [58] 58,66 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 66:[57, 1], Operations: ['78-21=57', '24-23=1'] Exploring Operation: 57/1=57, Resulting Numbers: [57] 57,66 unequal: No Solution Exploring Operation: 57+1=58, Resulting Numbers: [58] 58,66 unequal: No Solution Exploring Operation: 57*1=57, Resulting Numbers: [57] 57,66 unequal: No Solution Exploring Operation: 57-1=56, Resulting Numbers: [56] 56,66 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 66:[24, 80], Operations: ['78-21=57', '23+57=80'] Exploring Operation: 24+80=104, Resulting Numbers: [104] 104,66 unequal: No Solution Exploring Operation: 80-24=56, Resulting Numbers: [56] 56,66 unequal: No Solution Exploring Operation: 24*80=1920, Resulting Numbers: [1920] 1920,66 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 66:[23, 81], Operations: ['78-21=57', '24+57=81'] Exploring Operation: 23*81=1863, Resulting Numbers: [1863] 1863,66 unequal: No Solution Exploring Operation: 23+81=104, Resulting Numbers: [104] 104,66 unequal: No Solution Exploring Operation: 81-23=58, Resulting Numbers: [58] 58,66 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: 66:[23, 78, 3], Operations: ['24-21=3'] Exploring Operation: 23-3=20, Resulting Numbers: [78, 20] Generated Node #0,1,0: 66:[78, 20] Operation: 23-3=20 Exploring Operation: 78/3=26, Resulting Numbers: [23, 26] Generated Node #0,1,1: 66:[23, 26] Operation: 78/3=26 Exploring Operation: 78-3=75, Resulting Numbers: [23, 75] Generated Node #0,1,2: 66:[23, 75] Operation: 78-3=75 Exploring Operation: 78-23=55, Resulting Numbers: [3, 55] Generated Node #0,1,3: 66:[3, 55] Operation: 78-23=55 Exploring Operation: 23*3=69, Resulting Numbers: [78, 69] Generated Node #0,1,4: 66:[78, 69] Operation: 23*3=69 Moving to Node #0,2 Current State: 66:[78, 24, 2], Operations: ['23-21=2'] Exploring Operation: 78/2=39, Resulting Numbers: [24, 39] Generated Node #0,2,0: 66:[24, 39] Operation: 78/2=39 Exploring Operation: 78-24=54, Resulting Numbers: [2, 54] Generated Node #0,2,1: 66:[2, 54] Operation: 78-24=54 Exploring Operation: 24-2=22, Resulting Numbers: [78, 22] Generated Node #0,2,2: 66:[78, 22] Operation: 24-2=22 Exploring Operation: 78-2=76, Resulting Numbers: [24, 76] Generated Node #0,2,3: 66:[24, 76] Operation: 78-2=76 Exploring Operation: 24/2=12, Resulting Numbers: [78, 12] Generated Node #0,2,4: 66:[78, 12] Operation: 24/2=12 Moving to Node #0,3 Current State: 66:[24, 21, 55], Operations: ['78-23=55'] Exploring Operation: 24+55=79, Resulting Numbers: [21, 79] Generated Node #0,3,0: 66:[21, 79] Operation: 24+55=79 Exploring Operation: 55-21=34, Resulting Numbers: [24, 34] Generated Node #0,3,1: 66:[24, 34] Operation: 55-21=34 Exploring Operation: 55-24=31, Resulting Numbers: [21, 31] Generated Node #0,3,2: 66:[21, 31] Operation: 55-24=31 Exploring Operation: 21+55=76, Resulting Numbers: [24, 76] Generated Node #0,3,3: 66:[24, 76] Operation: 21+55=76 Exploring Operation: 24-21=3, Resulting Numbers: [55, 3] Generated Node #0,3,4: 66:[55, 3] Operation: 24-21=3 Moving to Node #0,4 Current State: 66:[78, 21, 1], Operations: ['24-23=1'] Exploring Operation: 78/1=78, Resulting Numbers: [21, 78] Generated Node #0,4,0: 66:[21, 78] Operation: 78/1=78 Exploring Operation: 78-21=57, Resulting Numbers: [1, 57] Generated Node #0,4,1: 66:[1, 57] Operation: 78-21=57 Exploring Operation: 78*1=78, Resulting Numbers: [21, 78] Generated Node #0,4,2: 66:[21, 78] Operation: 78*1=78 Exploring Operation: 78-1=77, Resulting Numbers: [21, 77] Generated Node #0,4,3: 66:[21, 77] Operation: 78-1=77 Exploring Operation: 21+1=22, Resulting Numbers: [78, 22] Generated Node #0,4,4: 66:[78, 22] Operation: 21+1=22 Moving to Node #0,3,1 Current State: 66:[24, 34], Operations: ['78-23=55', '55-21=34'] Exploring Operation: 24*34=816, Resulting Numbers: [816] 816,66 unequal: No Solution Exploring Operation: 34-24=10, Resulting Numbers: [10] 10,66 unequal: No Solution Exploring Operation: 24+34=58, Resulting Numbers: [58] 58,66 unequal: No Solution Moving to Node #0,3,2 Current State: 66:[21, 31], Operations: ['78-23=55', '55-24=31'] Exploring Operation: 21*31=651, Resulting Numbers: [651] 651,66 unequal: No Solution Exploring Operation: 31-21=10, Resulting Numbers: [10] 10,66 unequal: No Solution Exploring Operation: 21+31=52, Resulting Numbers: [52] 52,66 unequal: No Solution Moving to Node #0,1,1 Current State: 66:[23, 26], Operations: ['24-21=3', '78/3=26'] Exploring Operation: 23*26=598, Resulting Numbers: [598] 598,66 unequal: No Solution Exploring Operation: 26-23=3, Resulting Numbers: [3] 3,66 unequal: No Solution Exploring Operation: 23+26=49, Resulting Numbers: [49] 49,66 unequal: No Solution Moving to Node #0,2,0 Current State: 66:[24, 39], Operations: ['23-21=2', '78/2=39'] Exploring Operation: 24*39=936, Resulting Numbers: [936] 936,66 unequal: No Solution Exploring Operation: 24+39=63, Resulting Numbers: [63] 63,66 unequal: No Solution Exploring Operation: 39-24=15, Resulting Numbers: [15] 15,66 unequal: No Solution Moving to Node #0,1,2 Current State: 66:[23, 75], Operations: ['24-21=3', '78-3=75'] Exploring Operation: 23+75=98, Resulting Numbers: [98] 98,66 unequal: No Solution Exploring Operation: 23*75=1725, Resulting Numbers: [1725] 1725,66 unequal: No Solution Exploring Operation: 75-23=52, Resulting Numbers: [52] 52,66 unequal: No Solution Moving to Node #0,4,1 Current State: 66:[1, 57], Operations: ['24-23=1', '78-21=57'] Exploring Operation: 57-1=56, Resulting Numbers: [56] 56,66 unequal: No Solution Exploring Operation: 1+57=58, Resulting Numbers: [58] 58,66 unequal: No Solution Exploring Operation: 57/1=57, Resulting Numbers: [57] 57,66 unequal: No Solution Exploring Operation: 1*57=57, Resulting Numbers: [57] 57,66 unequal: No Solution Moving to Node #0,3,4 Current State: 66:[55, 3], Operations: ['78-23=55', '24-21=3'] Exploring Operation: 55-3=52, Resulting Numbers: [52] 52,66 unequal: No Solution Exploring Operation: 55*3=165, Resulting Numbers: [165] 165,66 unequal: No Solution Exploring Operation: 55+3=58, Resulting Numbers: [58] 58,66 unequal: No Solution Moving to Node #0,1,3 Current State: 66:[3, 55], Operations: ['24-21=3', '78-23=55'] Exploring Operation: 3+55=58, Resulting Numbers: [58] 58,66 unequal: No Solution Exploring Operation: 3*55=165, Resulting Numbers: [165] 165,66 unequal: No Solution Exploring Operation: 55-3=52, Resulting Numbers: [52] 52,66 unequal: No Solution Moving to Node #0,2,1 Current State: 66:[2, 54], Operations: ['23-21=2', '78-24=54'] Exploring Operation: 2*54=108, Resulting Numbers: [108] 108,66 unequal: No Solution Exploring Operation: 54/2=27, Resulting Numbers: [27] 27,66 unequal: No Solution Exploring Operation: 2+54=56, Resulting Numbers: [56] 56,66 unequal: No Solution Exploring Operation: 54-2=52, Resulting Numbers: [52] 52,66 unequal: No Solution Moving to Node #0,3,3 Current State: 66:[24, 76], Operations: ['78-23=55', '21+55=76'] Exploring Operation: 24+76=100, Resulting Numbers: [100] 100,66 unequal: No Solution Exploring Operation: 24*76=1824, Resulting Numbers: [1824] 1824,66 unequal: No Solution Exploring Operation: 76-24=52, Resulting Numbers: [52] 52,66 unequal: No Solution Moving to Node #0,4,4 Current State: 66:[78, 22], Operations: ['24-23=1', '21+1=22'] Exploring Operation: 78+22=100, Resulting Numbers: [100] 100,66 unequal: No Solution Exploring Operation: 78*22=1716, Resulting Numbers: [1716] 1716,66 unequal: No Solution Exploring Operation: 78-22=56, Resulting Numbers: [56] 56,66 unequal: No Solution Moving to Node #0,2,3 Current State: 66:[24, 76], Operations: ['23-21=2', '78-2=76'] Exploring Operation: 24+76=100, Resulting Numbers: [100] 100,66 unequal: No Solution Exploring Operation: 24*76=1824, Resulting Numbers: [1824] 1824,66 unequal: No Solution Exploring Operation: 76-24=52, Resulting Numbers: [52] 52,66 unequal: No Solution Moving to Node #0,4,3 Current State: 66:[21, 77], Operations: ['24-23=1', '78-1=77'] Exploring Operation: 21+77=98, Resulting Numbers: [98] 98,66 unequal: No Solution Exploring Operation: 77-21=56, Resulting Numbers: [56] 56,66 unequal: No Solution Exploring Operation: 21*77=1617, Resulting Numbers: [1617] 1617,66 unequal: No Solution Moving to Node #0,2,2 Current State: 66:[78, 22], Operations: ['23-21=2', '24-2=22'] Exploring Operation: 78+22=100, Resulting Numbers: [100] 100,66 unequal: No Solution Exploring Operation: 78*22=1716, Resulting Numbers: [1716] 1716,66 unequal: No Solution Exploring Operation: 78-22=56, Resulting Numbers: [56] 56,66 unequal: No Solution Moving to Node #0,4,0 Current State: 66:[21, 78], Operations: ['24-23=1', '78/1=78'] Exploring Operation: 21*78=1638, Resulting Numbers: [1638] 1638,66 unequal: No Solution Exploring Operation: 21+78=99, Resulting Numbers: [99] 99,66 unequal: No Solution Exploring Operation: 78-21=57, Resulting Numbers: [57] 57,66 unequal: No Solution Moving to Node #0,2,4 Current State: 66:[78, 12], Operations: ['23-21=2', '24/2=12'] Exploring Operation: 78-12=66, Resulting Numbers: [66] 66,66 equal: Goal Reached Moving to Node #0 Current State: 66:[23, 78, 24, 21], Operations: [] Exploring Operation: 23-21=2, Resulting Numbers: [78, 24, 2] Generated Node #0,2: 66:[78, 24, 2] Operation: 23-21=2 Moving to Node #0,2 Current State: 66:[78, 24, 2], Operations: ['23-21=2'] Exploring Operation: 24/2=12, Resulting Numbers: [78, 12] Generated Node #0,2,4: 66:[78, 12] Operation: 24/2=12 Moving to Node #0,2,4 Current State: 66:[78, 12], Operations: ['23-21=2', '24/2=12'] Exploring Operation: 78-12=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
0.914931
hs_5
sum_heuristic
[ 89, 65, 5, 65 ]
85
[ "89-5=84", "65/65=1", "84+1=85" ]
Current State: 85:[89, 65, 5, 65], Operations: [] Exploring Operation: 89-5=84, Resulting Numbers: [65, 65, 84] Generated Node #2: [65, 65, 84] from Operation: 89-5=84 Current State: 85:[65, 65, 84], Operations: ['89-5=84'] Exploring Operation: 65/65=1, Resulting Numbers: [84, 1] Generated Node #3: [84, 1] from Operation: 65/65=1 Current State: 85:[84, 1], Operations: ['89-5=84', '65/65=1'] Exploring Operation: 84+1=85, Resulting Numbers: [85] 85,85 equal: Goal Reached
4
Current State: 85:[89, 65, 5, 65], Operations: [] Exploring Operation: 65/65=1, Resulting Numbers: [89, 5, 1] Generated Node #0,0: 85:[89, 5, 1] Operation: 65/65=1 Start Sub Search at level 1: Moving to Node #0,0 Current State: 85:[89, 5, 1], Operations: ['65/65=1'] Exploring Operation: 89-1=88, Resulting Numbers: [5, 88] Generated Node #0,0,0: 85:[5, 88] Operation: 89-1=88 Moving to Node #0,0,0 Current State: 85:[5, 88], Operations: ['65/65=1', '89-1=88'] Exploring Operation: 88-5=83, Resulting Numbers: [83] 83,85 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, 18, 3, 87 ]
28
[ "18+87=105", "105/3=35", "35-7=28" ]
Current State: 28:[7, 18, 3, 87], Operations: [] Exploring Operation: 18+87=105, Resulting Numbers: [7, 3, 105] Generated Node #2: [7, 3, 105] from Operation: 18+87=105 Current State: 28:[7, 3, 105], Operations: ['18+87=105'] Exploring Operation: 105/3=35, Resulting Numbers: [7, 35] Generated Node #3: [7, 35] from Operation: 105/3=35 Current State: 28:[7, 35], Operations: ['18+87=105', '105/3=35'] Exploring Operation: 35-7=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
4
Current State: 28:[7, 18, 3, 87], Operations: [] Exploring Operation: 87/3=29, Resulting Numbers: [7, 18, 29] Generated Node #0,0: 28:[7, 18, 29] Operation: 87/3=29 Exploring Operation: 18-3=15, Resulting Numbers: [7, 87, 15] Generated Node #0,1: 28:[7, 87, 15] Operation: 18-3=15 Exploring Operation: 18/3=6, Resulting Numbers: [7, 87, 6] Generated Node #0,2: 28:[7, 87, 6] Operation: 18/3=6 Exploring Operation: 87-18=69, Resulting Numbers: [7, 3, 69] Generated Node #0,3: 28:[7, 3, 69] Operation: 87-18=69 Exploring Operation: 87-7=80, Resulting Numbers: [18, 3, 80] Generated Node #0,4: 28:[18, 3, 80] Operation: 87-7=80 Moving to Node #0,0 Current State: 28:[7, 18, 29], Operations: ['87/3=29'] Exploring Operation: 7+18=25, Resulting Numbers: [29, 25] Generated Node #0,0,0: 28:[29, 25] Operation: 7+18=25 Exploring Operation: 7+29=36, Resulting Numbers: [18, 36] Generated Node #0,0,1: 28:[18, 36] Operation: 7+29=36 Exploring Operation: 29-7=22, Resulting Numbers: [18, 22] Generated Node #0,0,2: 28:[18, 22] Operation: 29-7=22 Exploring Operation: 29-18=11, Resulting Numbers: [7, 11] Generated Node #0,0,3: 28:[7, 11] Operation: 29-18=11 Exploring Operation: 18-7=11, Resulting Numbers: [29, 11] Generated Node #0,0,4: 28:[29, 11] Operation: 18-7=11 Moving to Node #0,3 Current State: 28:[7, 3, 69], Operations: ['87-18=69'] Exploring Operation: 7+3=10, Resulting Numbers: [69, 10] Generated Node #0,3,0: 28:[69, 10] Operation: 7+3=10 Exploring Operation: 69-3=66, Resulting Numbers: [7, 66] Generated Node #0,3,1: 28:[7, 66] Operation: 69-3=66 Exploring Operation: 69/3=23, Resulting Numbers: [7, 23] Generated Node #0,3,2: 28:[7, 23] Operation: 69/3=23 Exploring Operation: 7-3=4, Resulting Numbers: [69, 4] Generated Node #0,3,3: 28:[69, 4] Operation: 7-3=4 Exploring Operation: 69-7=62, Resulting Numbers: [3, 62] Generated Node #0,3,4: 28:[3, 62] Operation: 69-7=62 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 28:[7, 23], Operations: ['87-18=69', '69/3=23'] Exploring Operation: 23-7=16, Resulting Numbers: [16] 16,28 unequal: No Solution Exploring Operation: 7*23=161, Resulting Numbers: [161] 161,28 unequal: No Solution Exploring Operation: 7+23=30, Resulting Numbers: [30] 30,28 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 #0,3,4 Current State: 28:[3, 62], Operations: ['87-18=69', '69-7=62'] Exploring Operation: 3+62=65, Resulting Numbers: [65] 65,28 unequal: No Solution Exploring Operation: 62-3=59, Resulting Numbers: [59] 59,28 unequal: No Solution Exploring Operation: 3*62=186, Resulting Numbers: [186] 186,28 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:[7, 66], Operations: ['87-18=69', '69-3=66'] Exploring Operation: 7+66=73, Resulting Numbers: [73] 73,28 unequal: No Solution Exploring Operation: 66-7=59, Resulting Numbers: [59] 59,28 unequal: No Solution Exploring Operation: 7*66=462, Resulting Numbers: [462] 462,28 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:[69, 4], Operations: ['87-18=69', '7-3=4'] Exploring Operation: 69*4=276, Resulting Numbers: [276] 276,28 unequal: No Solution Exploring Operation: 69+4=73, Resulting Numbers: [73] 73,28 unequal: No Solution Exploring Operation: 69-4=65, Resulting Numbers: [65] 65,28 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 #0,3,0 Current State: 28:[69, 10], Operations: ['87-18=69', '7+3=10'] Exploring Operation: 69*10=690, Resulting Numbers: [690] 690,28 unequal: No Solution Exploring Operation: 69+10=79, Resulting Numbers: [79] 79,28 unequal: No Solution Exploring Operation: 69-10=59, Resulting Numbers: [59] 59,28 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: 28:[18, 3, 80], Operations: ['87-7=80'] Exploring Operation: 18+3=21, Resulting Numbers: [80, 21] Generated Node #0,4,0: 28:[80, 21] Operation: 18+3=21 Exploring Operation: 18/3=6, Resulting Numbers: [80, 6] Generated Node #0,4,1: 28:[80, 6] Operation: 18/3=6 Exploring Operation: 80-3=77, Resulting Numbers: [18, 77] Generated Node #0,4,2: 28:[18, 77] Operation: 80-3=77 Exploring Operation: 18-3=15, Resulting Numbers: [80, 15] Generated Node #0,4,3: 28:[80, 15] Operation: 18-3=15 Exploring Operation: 80-18=62, Resulting Numbers: [3, 62] Generated Node #0,4,4: 28:[3, 62] Operation: 80-18=62 Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 28:[3, 62], Operations: ['87-7=80', '80-18=62'] Exploring Operation: 3*62=186, Resulting Numbers: [186] 186,28 unequal: No Solution Exploring Operation: 62-3=59, Resulting Numbers: [59] 59,28 unequal: No Solution Exploring Operation: 3+62=65, Resulting Numbers: [65] 65,28 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 #0,4,1 Current State: 28:[80, 6], Operations: ['87-7=80', '18/3=6'] Exploring Operation: 80-6=74, Resulting Numbers: [74] 74,28 unequal: No Solution Exploring Operation: 80*6=480, Resulting Numbers: [480] 480,28 unequal: No Solution Exploring Operation: 80+6=86, Resulting Numbers: [86] 86,28 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 #0,4,2 Current State: 28:[18, 77], Operations: ['87-7=80', '80-3=77'] Exploring Operation: 77-18=59, Resulting Numbers: [59] 59,28 unequal: No Solution Exploring Operation: 18*77=1386, Resulting Numbers: [1386] 1386,28 unequal: No Solution Exploring Operation: 18+77=95, Resulting Numbers: [95] 95,28 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 #0,4,3 Current State: 28:[80, 15], Operations: ['87-7=80', '18-3=15'] Exploring Operation: 80*15=1200, Resulting Numbers: [1200] 1200,28 unequal: No Solution Exploring Operation: 80-15=65, Resulting Numbers: [65] 65,28 unequal: No Solution Exploring Operation: 80+15=95, Resulting Numbers: [95] 95,28 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 #0,4,0 Current State: 28:[80, 21], Operations: ['87-7=80', '18+3=21'] Exploring Operation: 80*21=1680, Resulting Numbers: [1680] 1680,28 unequal: No Solution Exploring Operation: 80-21=59, Resulting Numbers: [59] 59,28 unequal: No Solution Exploring Operation: 80+21=101, Resulting Numbers: [101] 101,28 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: 28:[7, 87, 15], Operations: ['18-3=15'] Exploring Operation: 7+15=22, Resulting Numbers: [87, 22] Generated Node #0,1,0: 28:[87, 22] Operation: 7+15=22 Exploring Operation: 87-7=80, Resulting Numbers: [15, 80] Generated Node #0,1,1: 28:[15, 80] Operation: 87-7=80 Exploring Operation: 7+87=94, Resulting Numbers: [15, 94] Generated Node #0,1,2: 28:[15, 94] Operation: 7+87=94 Exploring Operation: 87-15=72, Resulting Numbers: [7, 72] Generated Node #0,1,3: 28:[7, 72] Operation: 87-15=72 Exploring Operation: 15-7=8, Resulting Numbers: [87, 8] Generated Node #0,1,4: 28:[87, 8] Operation: 15-7=8 Moving to Node #0,2 Current State: 28:[7, 87, 6], Operations: ['18/3=6'] Exploring Operation: 7+6=13, Resulting Numbers: [87, 13] Generated Node #0,2,0: 28:[87, 13] Operation: 7+6=13 Exploring Operation: 7-6=1, Resulting Numbers: [87, 1] Generated Node #0,2,1: 28:[87, 1] Operation: 7-6=1 Exploring Operation: 87+6=93, Resulting Numbers: [7, 93] Generated Node #0,2,2: 28:[7, 93] Operation: 87+6=93 Exploring Operation: 87-6=81, Resulting Numbers: [7, 81] Generated Node #0,2,3: 28:[7, 81] Operation: 87-6=81 Exploring Operation: 87-7=80, Resulting Numbers: [6, 80] Generated Node #0,2,4: 28:[6, 80] Operation: 87-7=80 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 28:[7, 81], Operations: ['18/3=6', '87-6=81'] Exploring Operation: 81-7=74, Resulting Numbers: [74] 74,28 unequal: No Solution Exploring Operation: 7+81=88, Resulting Numbers: [88] 88,28 unequal: No Solution Exploring Operation: 7*81=567, Resulting Numbers: [567] 567,28 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 #0,2,4 Current State: 28:[6, 80], Operations: ['18/3=6', '87-7=80'] Exploring Operation: 6*80=480, Resulting Numbers: [480] 480,28 unequal: No Solution Exploring Operation: 6+80=86, Resulting Numbers: [86] 86,28 unequal: No Solution Exploring Operation: 80-6=74, Resulting Numbers: [74] 74,28 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 #0,2,0 Current State: 28:[87, 13], Operations: ['18/3=6', '7+6=13'] Exploring Operation: 87-13=74, Resulting Numbers: [74] 74,28 unequal: No Solution Exploring Operation: 87+13=100, Resulting Numbers: [100] 100,28 unequal: No Solution Exploring Operation: 87*13=1131, Resulting Numbers: [1131] 1131,28 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 #0,2,1 Current State: 28:[87, 1], Operations: ['18/3=6', '7-6=1'] Exploring Operation: 87-1=86, Resulting Numbers: [86] 86,28 unequal: No Solution Exploring Operation: 87*1=87, Resulting Numbers: [87] 87,28 unequal: No Solution Exploring Operation: 87+1=88, Resulting Numbers: [88] 88,28 unequal: No Solution Exploring Operation: 87/1=87, Resulting Numbers: [87] 87,28 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 #0,2,2 Current State: 28:[7, 93], Operations: ['18/3=6', '87+6=93'] Exploring Operation: 7+93=100, Resulting Numbers: [100] 100,28 unequal: No Solution Exploring Operation: 7*93=651, Resulting Numbers: [651] 651,28 unequal: No Solution Exploring Operation: 93-7=86, Resulting Numbers: [86] 86,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,3 Current State: 28:[7, 11], Operations: ['87/3=29', '29-18=11'] Exploring Operation: 7*11=77, Resulting Numbers: [77] 77,28 unequal: No Solution Exploring Operation: 7+11=18, Resulting Numbers: [18] 18,28 unequal: No Solution Exploring Operation: 11-7=4, Resulting Numbers: [4] 4,28 unequal: No Solution Moving to Node #0,0,4 Current State: 28:[29, 11], Operations: ['87/3=29', '18-7=11'] Exploring Operation: 29*11=319, Resulting Numbers: [319] 319,28 unequal: No Solution Exploring Operation: 29-11=18, Resulting Numbers: [18] 18,28 unequal: No Solution Exploring Operation: 29+11=40, Resulting Numbers: [40] 40,28 unequal: No Solution Moving to Node #0,0,0 Current State: 28:[29, 25], Operations: ['87/3=29', '7+18=25'] Exploring Operation: 29+25=54, Resulting Numbers: [54] 54,28 unequal: No Solution Exploring Operation: 29-25=4, Resulting Numbers: [4] 4,28 unequal: No Solution Exploring Operation: 29*25=725, Resulting Numbers: [725] 725,28 unequal: No Solution Moving to Node #0,0,2 Current State: 28:[18, 22], Operations: ['87/3=29', '29-7=22'] Exploring Operation: 18*22=396, Resulting Numbers: [396] 396,28 unequal: No Solution Exploring Operation: 18+22=40, Resulting Numbers: [40] 40,28 unequal: No Solution Exploring Operation: 22-18=4, Resulting Numbers: [4] 4,28 unequal: No Solution Moving to Node #0,0,1 Current State: 28:[18, 36], Operations: ['87/3=29', '7+29=36'] Exploring Operation: 18*36=648, Resulting Numbers: [648] 648,28 unequal: No Solution Exploring Operation: 36-18=18, Resulting Numbers: [18] 18,28 unequal: No Solution Exploring Operation: 36/18=2, Resulting Numbers: [2] 2,28 unequal: No Solution Exploring Operation: 18+36=54, Resulting Numbers: [54] 54,28 unequal: No Solution Moving to Node #0,1,3 Current State: 28:[7, 72], Operations: ['18-3=15', '87-15=72'] Exploring Operation: 7+72=79, Resulting Numbers: [79] 79,28 unequal: No Solution Exploring Operation: 7*72=504, Resulting Numbers: [504] 504,28 unequal: No Solution Exploring Operation: 72-7=65, Resulting Numbers: [65] 65,28 unequal: No Solution Moving to Node #0,1,1 Current State: 28:[15, 80], Operations: ['18-3=15', '87-7=80'] Exploring Operation: 80-15=65, Resulting Numbers: [65] 65,28 unequal: No Solution Exploring Operation: 15*80=1200, Resulting Numbers: [1200] 1200,28 unequal: No Solution Exploring Operation: 15+80=95, Resulting Numbers: [95] 95,28 unequal: No Solution Moving to Node #0,1,4 Current State: 28:[87, 8], Operations: ['18-3=15', '15-7=8'] Exploring Operation: 87-8=79, Resulting Numbers: [79] 79,28 unequal: No Solution Exploring Operation: 87+8=95, Resulting Numbers: [95] 95,28 unequal: No Solution Exploring Operation: 87*8=696, Resulting Numbers: [696] 696,28 unequal: No Solution Moving to Node #0,1,0 Current State: 28:[87, 22], Operations: ['18-3=15', '7+15=22'] Exploring Operation: 87+22=109, Resulting Numbers: [109] 109,28 unequal: No Solution Exploring Operation: 87-22=65, Resulting Numbers: [65] 65,28 unequal: No Solution Exploring Operation: 87*22=1914, Resulting Numbers: [1914] 1914,28 unequal: No Solution Moving to Node #0,1,2 Current State: 28:[15, 94], Operations: ['18-3=15', '7+87=94'] Exploring Operation: 94-15=79, Resulting Numbers: [79] 79,28 unequal: No Solution Exploring Operation: 15*94=1410, Resulting Numbers: [1410] 1410,28 unequal: No Solution Exploring Operation: 15+94=109, Resulting Numbers: [109] 109,28 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 54, 81, 86, 41 ]
72
[ "81-54=27", "86-41=45", "27+45=72" ]
Current State: 72:[54, 81, 86, 41], Operations: [] Exploring Operation: 81-54=27, Resulting Numbers: [86, 41, 27] Generated Node #2: [86, 41, 27] from Operation: 81-54=27 Current State: 72:[86, 41, 27], Operations: ['81-54=27'] Exploring Operation: 86-41=45, Resulting Numbers: [27, 45] Generated Node #3: [27, 45] from Operation: 86-41=45 Current State: 72:[27, 45], Operations: ['81-54=27', '86-41=45'] Exploring Operation: 27+45=72, Resulting Numbers: [72] 72,72 equal: Goal Reached
4
Current State: 72:[54, 81, 86, 41], Operations: [] Exploring Operation: 81-54=27, Resulting Numbers: [86, 41, 27] Generated Node #0,0: 72:[86, 41, 27] Operation: 81-54=27 Exploring Operation: 86-54=32, Resulting Numbers: [81, 41, 32] Generated Node #0,1: 72:[81, 41, 32] Operation: 86-54=32 Start Sub Search at level 1: Moving to Node #0,1 Current State: 72:[81, 41, 32], Operations: ['86-54=32'] Exploring Operation: 41-32=9, Resulting Numbers: [81, 9] Generated Node #0,1,0: 72:[81, 9] Operation: 41-32=9 Exploring Operation: 81-41=40, Resulting Numbers: [32, 40] Generated Node #0,1,1: 72:[32, 40] Operation: 81-41=40 Moving to Node #0,1,1 Current State: 72:[32, 40], Operations: ['86-54=32', '81-41=40'] Exploring Operation: 40-32=8, Resulting Numbers: [8] 8,72 unequal: No Solution Exploring Operation: 32+40=72, Resulting Numbers: [72] 72,72 equal: Goal Reached Moving to Node #0 Current State: 72:[54, 81, 86, 41], Operations: [] Exploring Operation: 86-54=32, Resulting Numbers: [81, 41, 32] Generated Node #0,1: 72:[81, 41, 32] Operation: 86-54=32 Moving to Node #0,1 Current State: 72:[81, 41, 32], Operations: ['86-54=32'] Exploring Operation: 81-41=40, Resulting Numbers: [32, 40] Generated Node #0,1,1: 72:[32, 40] Operation: 81-41=40 Moving to Node #0,1,1 Current State: 72:[32, 40], Operations: ['86-54=32', '81-41=40'] Exploring Operation: 32+40=72, Resulting Numbers: [72] 72,72 equal: Goal Reached Exit Sub Search at level 1
0.991319
hs_2
mult_heuristic
[ 36, 26, 34, 69 ]
86
[ "36-34=2", "69-26=43", "2*43=86" ]
Current State: 86:[36, 26, 34, 69], Operations: [] Exploring Operation: 36-34=2, Resulting Numbers: [26, 69, 2] Generated Node #2: [26, 69, 2] from Operation: 36-34=2 Current State: 86:[26, 69, 2], Operations: ['36-34=2'] Exploring Operation: 69-26=43, Resulting Numbers: [2, 43] Generated Node #3: [2, 43] from Operation: 69-26=43 Current State: 86:[2, 43], Operations: ['36-34=2', '69-26=43'] Exploring Operation: 2*43=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
4
Current State: 86:[36, 26, 34, 69], Operations: [] Exploring Operation: 69-26=43, Resulting Numbers: [36, 34, 43] Generated Node #0,0: 86:[36, 34, 43] Operation: 69-26=43 Start Sub Search at level 1: Moving to Node #0,0 Current State: 86:[36, 34, 43], Operations: ['69-26=43'] Exploring Operation: 36-34=2, Resulting Numbers: [43, 2] Generated Node #0,0,0: 86:[43, 2] Operation: 36-34=2 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 86:[43, 2], Operations: ['69-26=43', '36-34=2'] Exploring Operation: 43*2=86, Resulting Numbers: [86] 86,86 equal: Goal Reached Moving to Node #0 Current State: 86:[36, 26, 34, 69], Operations: [] Exploring Operation: 69-26=43, Resulting Numbers: [36, 34, 43] Generated Node #0,0: 86:[36, 34, 43] Operation: 69-26=43 Moving to Node #0,0 Current State: 86:[36, 34, 43], Operations: ['69-26=43'] Exploring Operation: 36-34=2, Resulting Numbers: [43, 2] Generated Node #0,0,0: 86:[43, 2] Operation: 36-34=2 Moving to Node #0,0,0 Current State: 86:[43, 2], Operations: ['69-26=43', '36-34=2'] Exploring Operation: 43*2=86, Resulting Numbers: [86] 86,86 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 54, 45, 30, 64 ]
28
[ "54*30=1620", "1620/45=36", "64-36=28" ]
Current State: 28:[54, 45, 30, 64], Operations: [] Exploring Operation: 54*30=1620, Resulting Numbers: [45, 64, 1620] Generated Node #2: [45, 64, 1620] from Operation: 54*30=1620 Current State: 28:[45, 64, 1620], Operations: ['54*30=1620'] Exploring Operation: 1620/45=36, Resulting Numbers: [64, 36] Generated Node #3: [64, 36] from Operation: 1620/45=36 Current State: 28:[64, 36], Operations: ['54*30=1620', '1620/45=36'] Exploring Operation: 64-36=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
4
Current State: 28:[54, 45, 30, 64], Operations: [] Exploring Operation: 64-54=10, Resulting Numbers: [45, 30, 10] Generated Node #0,0: 28:[45, 30, 10] Operation: 64-54=10 Start Sub Search at level 1: Moving to Node #0,0 Current State: 28:[45, 30, 10], Operations: ['64-54=10'] Exploring Operation: 45-30=15, Resulting Numbers: [10, 15] Generated Node #0,0,0: 28:[10, 15] Operation: 45-30=15 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 28:[10, 15], Operations: ['64-54=10', '45-30=15'] Exploring Operation: 15-10=5, Resulting Numbers: [5] 5,28 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 77, 7, 66, 44 ]
28
[ "77-66=11", "7*44=308", "308/11=28" ]
Current State: 28:[77, 7, 66, 44], Operations: [] Exploring Operation: 77-66=11, Resulting Numbers: [7, 44, 11] Generated Node #2: [7, 44, 11] from Operation: 77-66=11 Current State: 28:[7, 44, 11], Operations: ['77-66=11'] Exploring Operation: 7*44=308, Resulting Numbers: [11, 308] Generated Node #3: [11, 308] from Operation: 7*44=308 Current State: 28:[11, 308], Operations: ['77-66=11', '7*44=308'] Exploring Operation: 308/11=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
4
Current State: 28:[77, 7, 66, 44], Operations: [] Exploring Operation: 66-44=22, Resulting Numbers: [77, 7, 22] Generated Node #0,0: 28:[77, 7, 22] Operation: 66-44=22 Exploring Operation: 77/7=11, Resulting Numbers: [66, 44, 11] Generated Node #0,1: 28:[66, 44, 11] Operation: 77/7=11 Exploring Operation: 77-7=70, Resulting Numbers: [66, 44, 70] Generated Node #0,2: 28:[66, 44, 70] Operation: 77-7=70 Exploring Operation: 77-66=11, Resulting Numbers: [7, 44, 11] Generated Node #0,3: 28:[7, 44, 11] Operation: 77-66=11 Exploring Operation: 77-44=33, Resulting Numbers: [7, 66, 33] Generated Node #0,4: 28:[7, 66, 33] Operation: 77-44=33 Start Sub Search at level 1: Moving to Node #0,3 Current State: 28:[7, 44, 11], Operations: ['77-66=11'] Exploring Operation: 11-7=4, Resulting Numbers: [44, 4] Generated Node #0,3,0: 28:[44, 4] Operation: 11-7=4 Exploring Operation: 44-11=33, Resulting Numbers: [7, 33] Generated Node #0,3,1: 28:[7, 33] Operation: 44-11=33 Exploring Operation: 44/11=4, Resulting Numbers: [7, 4] Generated Node #0,3,2: 28:[7, 4] Operation: 44/11=4 Exploring Operation: 7+11=18, Resulting Numbers: [44, 18] Generated Node #0,3,3: 28:[44, 18] Operation: 7+11=18 Exploring Operation: 44-7=37, Resulting Numbers: [11, 37] Generated Node #0,3,4: 28:[11, 37] Operation: 44-7=37 Moving to Node #0,3,2 Current State: 28:[7, 4], Operations: ['77-66=11', '44/11=4'] Exploring Operation: 7*4=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Moving to Node #0 Current State: 28:[77, 7, 66, 44], Operations: [] Exploring Operation: 77-66=11, Resulting Numbers: [7, 44, 11] Generated Node #0,3: 28:[7, 44, 11] Operation: 77-66=11 Moving to Node #0,3 Current State: 28:[7, 44, 11], Operations: ['77-66=11'] Exploring Operation: 44/11=4, Resulting Numbers: [7, 4] Generated Node #0,3,2: 28:[7, 4] Operation: 44/11=4 Moving to Node #0,3,2 Current State: 28:[7, 4], Operations: ['77-66=11', '44/11=4'] Exploring Operation: 7*4=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_5
sum_heuristic
[ 43, 19, 70, 3 ]
26
[ "70-19=51", "51/3=17", "43-17=26" ]
Current State: 26:[43, 19, 70, 3], Operations: [] Exploring Operation: 70-19=51, Resulting Numbers: [43, 3, 51] Generated Node #2: [43, 3, 51] from Operation: 70-19=51 Current State: 26:[43, 3, 51], Operations: ['70-19=51'] Exploring Operation: 51/3=17, Resulting Numbers: [43, 17] Generated Node #3: [43, 17] from Operation: 51/3=17 Current State: 26:[43, 17], Operations: ['70-19=51', '51/3=17'] Exploring Operation: 43-17=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
4
Current State: 26:[43, 19, 70, 3], Operations: [] Exploring Operation: 43-3=40, Resulting Numbers: [19, 70, 40] Generated Node #0,0: 26:[19, 70, 40] Operation: 43-3=40 Exploring Operation: 70-43=27, Resulting Numbers: [19, 3, 27] Generated Node #0,1: 26:[19, 3, 27] Operation: 70-43=27 Exploring Operation: 43-19=24, Resulting Numbers: [70, 3, 24] Generated Node #0,2: 26:[70, 3, 24] Operation: 43-19=24 Exploring Operation: 70-19=51, Resulting Numbers: [43, 3, 51] Generated Node #0,3: 26:[43, 3, 51] Operation: 70-19=51 Moving to Node #0,1 Current State: 26:[19, 3, 27], Operations: ['70-43=27'] Exploring Operation: 19-3=16, Resulting Numbers: [27, 16] Generated Node #0,1,0: 26:[27, 16] Operation: 19-3=16 Exploring Operation: 19+3=22, Resulting Numbers: [27, 22] Generated Node #0,1,1: 26:[27, 22] Operation: 19+3=22 Exploring Operation: 27-3=24, Resulting Numbers: [19, 24] Generated Node #0,1,2: 26:[19, 24] Operation: 27-3=24 Exploring Operation: 27-19=8, Resulting Numbers: [3, 8] Generated Node #0,1,3: 26:[3, 8] Operation: 27-19=8 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 26:[27, 16], Operations: ['70-43=27', '19-3=16'] Exploring Operation: 27*16=432, Resulting Numbers: [432] 432,26 unequal: No Solution Exploring Operation: 27-16=11, Resulting Numbers: [11] 11,26 unequal: No Solution Exploring Operation: 27+16=43, Resulting Numbers: [43] 43,26 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:[27, 22], Operations: ['70-43=27', '19+3=22'] Exploring Operation: 27-22=5, Resulting Numbers: [5] 5,26 unequal: No Solution Exploring Operation: 27+22=49, Resulting Numbers: [49] 49,26 unequal: No Solution Exploring Operation: 27*22=594, Resulting Numbers: [594] 594,26 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 #0,1,3 Current State: 26:[3, 8], Operations: ['70-43=27', '27-19=8'] Exploring Operation: 8-3=5, Resulting Numbers: [5] 5,26 unequal: No Solution Exploring Operation: 3+8=11, Resulting Numbers: [11] 11,26 unequal: No Solution Exploring Operation: 3*8=24, Resulting Numbers: [24] 24,26 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 #0,1,2 Current State: 26:[19, 24], Operations: ['70-43=27', '27-3=24'] Exploring Operation: 19*24=456, Resulting Numbers: [456] 456,26 unequal: No Solution Exploring Operation: 19+24=43, Resulting Numbers: [43] 43,26 unequal: No Solution Exploring Operation: 24-19=5, Resulting Numbers: [5] 5,26 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: 26:[43, 3, 51], Operations: ['70-19=51'] Exploring Operation: 51-3=48, Resulting Numbers: [43, 48] Generated Node #0,3,0: 26:[43, 48] Operation: 51-3=48 Exploring Operation: 51-43=8, Resulting Numbers: [3, 8] Generated Node #0,3,1: 26:[3, 8] Operation: 51-43=8 Exploring Operation: 51/3=17, Resulting Numbers: [43, 17] Generated Node #0,3,2: 26:[43, 17] Operation: 51/3=17 Exploring Operation: 43-3=40, Resulting Numbers: [51, 40] Generated Node #0,3,3: 26:[51, 40] Operation: 43-3=40 Moving to Node #0,2 Current State: 26:[70, 3, 24], Operations: ['43-19=24'] Exploring Operation: 70+3=73, Resulting Numbers: [24, 73] Generated Node #0,2,0: 26:[24, 73] Operation: 70+3=73 Exploring Operation: 70-24=46, Resulting Numbers: [3, 46] Generated Node #0,2,1: 26:[3, 46] Operation: 70-24=46 Exploring Operation: 70-3=67, Resulting Numbers: [24, 67] Generated Node #0,2,2: 26:[24, 67] Operation: 70-3=67 Exploring Operation: 3+24=27, Resulting Numbers: [70, 27] Generated Node #0,2,3: 26:[70, 27] Operation: 3+24=27 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 26:[3, 46], Operations: ['43-19=24', '70-24=46'] Exploring Operation: 3*46=138, Resulting Numbers: [138] 138,26 unequal: No Solution Exploring Operation: 3+46=49, Resulting Numbers: [49] 49,26 unequal: No Solution Exploring Operation: 46-3=43, Resulting Numbers: [43] 43,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 26:[24, 67], Operations: ['43-19=24', '70-3=67'] Exploring Operation: 24*67=1608, Resulting Numbers: [1608] 1608,26 unequal: No Solution Exploring Operation: 24+67=91, Resulting Numbers: [91] 91,26 unequal: No Solution Exploring Operation: 67-24=43, Resulting Numbers: [43] 43,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 26:[70, 27], Operations: ['43-19=24', '3+24=27'] Exploring Operation: 70+27=97, Resulting Numbers: [97] 97,26 unequal: No Solution Exploring Operation: 70-27=43, Resulting Numbers: [43] 43,26 unequal: No Solution Exploring Operation: 70*27=1890, Resulting Numbers: [1890] 1890,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 26:[24, 73], Operations: ['43-19=24', '70+3=73'] Exploring Operation: 24*73=1752, Resulting Numbers: [1752] 1752,26 unequal: No Solution Exploring Operation: 73-24=49, Resulting Numbers: [49] 49,26 unequal: No Solution Exploring Operation: 24+73=97, Resulting Numbers: [97] 97,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 26:[19, 70, 40], Operations: ['43-3=40'] Exploring Operation: 70-40=30, Resulting Numbers: [19, 30] Generated Node #0,0,0: 26:[19, 30] Operation: 70-40=30 Exploring Operation: 70-19=51, Resulting Numbers: [40, 51] Generated Node #0,0,1: 26:[40, 51] Operation: 70-19=51 Exploring Operation: 19+70=89, Resulting Numbers: [40, 89] Generated Node #0,0,2: 26:[40, 89] Operation: 19+70=89 Exploring Operation: 40-19=21, Resulting Numbers: [70, 21] Generated Node #0,0,3: 26:[70, 21] Operation: 40-19=21 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 26:[19, 30], Operations: ['43-3=40', '70-40=30'] Exploring Operation: 19*30=570, Resulting Numbers: [570] 570,26 unequal: No Solution Exploring Operation: 19+30=49, Resulting Numbers: [49] 49,26 unequal: No Solution Exploring Operation: 30-19=11, Resulting Numbers: [11] 11,26 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:[40, 51], Operations: ['43-3=40', '70-19=51'] Exploring Operation: 40+51=91, Resulting Numbers: [91] 91,26 unequal: No Solution Exploring Operation: 40*51=2040, Resulting Numbers: [2040] 2040,26 unequal: No Solution Exploring Operation: 51-40=11, Resulting Numbers: [11] 11,26 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 #0,0,3 Current State: 26:[70, 21], Operations: ['43-3=40', '40-19=21'] Exploring Operation: 70+21=91, Resulting Numbers: [91] 91,26 unequal: No Solution Exploring Operation: 70-21=49, Resulting Numbers: [49] 49,26 unequal: No Solution Exploring Operation: 70*21=1470, Resulting Numbers: [1470] 1470,26 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 #0,0,2 Current State: 26:[40, 89], Operations: ['43-3=40', '19+70=89'] Exploring Operation: 40*89=3560, Resulting Numbers: [3560] 3560,26 unequal: No Solution Exploring Operation: 40+89=129, Resulting Numbers: [129] 129,26 unequal: No Solution Exploring Operation: 89-40=49, Resulting Numbers: [49] 49,26 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: 26:[3, 8], Operations: ['70-19=51', '51-43=8'] Exploring Operation: 8-3=5, Resulting Numbers: [5] 5,26 unequal: No Solution Exploring Operation: 3*8=24, Resulting Numbers: [24] 24,26 unequal: No Solution Exploring Operation: 3+8=11, Resulting Numbers: [11] 11,26 unequal: No Solution Moving to Node #0,3,2 Current State: 26:[43, 17], Operations: ['70-19=51', '51/3=17'] Exploring Operation: 43*17=731, Resulting Numbers: [731] 731,26 unequal: No Solution Exploring Operation: 43+17=60, Resulting Numbers: [60] 60,26 unequal: No Solution Exploring Operation: 43-17=26, Resulting Numbers: [26] 26,26 equal: Goal Reached Moving to Node #0 Current State: 26:[43, 19, 70, 3], Operations: [] Exploring Operation: 70-19=51, Resulting Numbers: [43, 3, 51] Generated Node #0,3: 26:[43, 3, 51] Operation: 70-19=51 Moving to Node #0,3 Current State: 26:[43, 3, 51], Operations: ['70-19=51'] Exploring Operation: 51/3=17, Resulting Numbers: [43, 17] Generated Node #0,3,2: 26:[43, 17] Operation: 51/3=17 Moving to Node #0,3,2 Current State: 26:[43, 17], Operations: ['70-19=51', '51/3=17'] Exploring Operation: 43-17=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
0.942708
hs_4
sum_heuristic
[ 2, 88, 94, 82 ]
44
[ "94-88=6", "82+6=88", "88/2=44" ]
Current State: 44:[2, 88, 94, 82], Operations: [] Exploring Operation: 94-88=6, Resulting Numbers: [2, 82, 6] Generated Node #2: [2, 82, 6] from Operation: 94-88=6 Current State: 44:[2, 82, 6], Operations: ['94-88=6'] Exploring Operation: 82+6=88, Resulting Numbers: [2, 88] Generated Node #3: [2, 88] from Operation: 82+6=88 Current State: 44:[2, 88], Operations: ['94-88=6', '82+6=88'] Exploring Operation: 88/2=44, Resulting Numbers: [44] 44,44 equal: Goal Reached
4
Current State: 44:[2, 88, 94, 82], Operations: [] Exploring Operation: 94-88=6, Resulting Numbers: [2, 82, 6] Generated Node #0,0: 44:[2, 82, 6] Operation: 94-88=6 Exploring Operation: 88-82=6, Resulting Numbers: [2, 94, 6] Generated Node #0,1: 44:[2, 94, 6] Operation: 88-82=6 Exploring Operation: 94-82=12, Resulting Numbers: [2, 88, 12] Generated Node #0,2: 44:[2, 88, 12] Operation: 94-82=12 Moving to Node #0,0 Current State: 44:[2, 82, 6], Operations: ['94-88=6'] Exploring Operation: 82-2=80, Resulting Numbers: [6, 80] Generated Node #0,0,0: 44:[6, 80] Operation: 82-2=80 Exploring Operation: 82-6=76, Resulting Numbers: [2, 76] Generated Node #0,0,1: 44:[2, 76] Operation: 82-6=76 Exploring Operation: 82/2=41, Resulting Numbers: [6, 41] Generated Node #0,0,2: 44:[6, 41] Operation: 82/2=41 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 44:[6, 41], Operations: ['94-88=6', '82/2=41'] Exploring Operation: 6+41=47, Resulting Numbers: [47] 47,44 unequal: No Solution Exploring Operation: 6*41=246, Resulting Numbers: [246] 246,44 unequal: No Solution Exploring Operation: 41-6=35, Resulting Numbers: [35] 35,44 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 44:[2, 76], Operations: ['94-88=6', '82-6=76'] Exploring Operation: 76/2=38, Resulting Numbers: [38] 38,44 unequal: No Solution Exploring Operation: 76-2=74, Resulting Numbers: [74] 74,44 unequal: No Solution Exploring Operation: 2+76=78, Resulting Numbers: [78] 78,44 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 44:[6, 80], Operations: ['94-88=6', '82-2=80'] Exploring Operation: 6*80=480, Resulting Numbers: [480] 480,44 unequal: No Solution Exploring Operation: 80-6=74, Resulting Numbers: [74] 74,44 unequal: No Solution Exploring Operation: 6+80=86, Resulting Numbers: [86] 86,44 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: 44:[2, 88, 12], Operations: ['94-82=12'] Exploring Operation: 88-12=76, Resulting Numbers: [2, 76] Generated Node #0,2,0: 44:[2, 76] Operation: 88-12=76 Exploring Operation: 88/2=44, Resulting Numbers: [12, 44] Generated Node #0,2,1: 44:[12, 44] Operation: 88/2=44 Exploring Operation: 88-2=86, Resulting Numbers: [12, 86] Generated Node #0,2,2: 44:[12, 86] Operation: 88-2=86 Moving to Node #0,1 Current State: 44:[2, 94, 6], Operations: ['88-82=6'] Exploring Operation: 94-2=92, Resulting Numbers: [6, 92] Generated Node #0,1,0: 44:[6, 92] Operation: 94-2=92 Exploring Operation: 94/2=47, Resulting Numbers: [6, 47] Generated Node #0,1,1: 44:[6, 47] Operation: 94/2=47 Exploring Operation: 94-6=88, Resulting Numbers: [2, 88] Generated Node #0,1,2: 44:[2, 88] Operation: 94-6=88 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 44:[6, 47], Operations: ['88-82=6', '94/2=47'] Exploring Operation: 6+47=53, Resulting Numbers: [53] 53,44 unequal: No Solution Exploring Operation: 47-6=41, Resulting Numbers: [41] 41,44 unequal: No Solution Exploring Operation: 6*47=282, Resulting Numbers: [282] 282,44 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 44:[2, 88], Operations: ['88-82=6', '94-6=88'] Exploring Operation: 2+88=90, Resulting Numbers: [90] 90,44 unequal: No Solution Exploring Operation: 88/2=44, Resulting Numbers: [44] 44,44 equal: Goal Reached Moving to Node #0 Current State: 44:[2, 88, 94, 82], Operations: [] Exploring Operation: 88-82=6, Resulting Numbers: [2, 94, 6] Generated Node #0,1: 44:[2, 94, 6] Operation: 88-82=6 Moving to Node #0,1 Current State: 44:[2, 94, 6], Operations: ['88-82=6'] Exploring Operation: 94-6=88, Resulting Numbers: [2, 88] Generated Node #0,1,2: 44:[2, 88] Operation: 94-6=88 Moving to Node #0,1,2 Current State: 44:[2, 88], Operations: ['88-82=6', '94-6=88'] Exploring Operation: 88/2=44, Resulting Numbers: [44] 44,44 equal: Goal Reached Exit Sub Search at level 1
0.973958
hs_3
mult_heuristic
[ 7, 15, 48, 1 ]
58
[ "7*15=105", "48-1=47", "105-47=58" ]
Current State: 58:[7, 15, 48, 1], Operations: [] Exploring Operation: 7*15=105, Resulting Numbers: [48, 1, 105] Generated Node #2: [48, 1, 105] from Operation: 7*15=105 Current State: 58:[48, 1, 105], Operations: ['7*15=105'] Exploring Operation: 48-1=47, Resulting Numbers: [105, 47] Generated Node #3: [105, 47] from Operation: 48-1=47 Current State: 58:[105, 47], Operations: ['7*15=105', '48-1=47'] Exploring Operation: 105-47=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[7, 15, 48, 1], Operations: [] Exploring Operation: 15-7=8, Resulting Numbers: [48, 1, 8] Generated Node #0,0: 58:[48, 1, 8] Operation: 15-7=8 Exploring Operation: 15+48=63, Resulting Numbers: [7, 1, 63] Generated Node #0,1: 58:[7, 1, 63] Operation: 15+48=63 Exploring Operation: 7+48=55, Resulting Numbers: [15, 1, 55] Generated Node #0,2: 58:[15, 1, 55] Operation: 7+48=55 Exploring Operation: 48-15=33, Resulting Numbers: [7, 1, 33] Generated Node #0,3: 58:[7, 1, 33] Operation: 48-15=33 Start Sub Search at level 1: Moving to Node #0,3 Current State: 58:[7, 1, 33], Operations: ['48-15=33'] Exploring Operation: 7*1=7, Resulting Numbers: [33, 7] Generated Node #0,3,0: 58:[33, 7] Operation: 7*1=7 Exploring Operation: 33-1=32, Resulting Numbers: [7, 32] Generated Node #0,3,1: 58:[7, 32] Operation: 33-1=32 Exploring Operation: 33-7=26, Resulting Numbers: [1, 26] Generated Node #0,3,2: 58:[1, 26] Operation: 33-7=26 Exploring Operation: 7-1=6, Resulting Numbers: [33, 6] Generated Node #0,3,3: 58:[33, 6] Operation: 7-1=6 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 58:[1, 26], Operations: ['48-15=33', '33-7=26'] Exploring Operation: 1+26=27, Resulting Numbers: [27] 27,58 unequal: No Solution Exploring Operation: 26-1=25, Resulting Numbers: [25] 25,58 unequal: No Solution Exploring Operation: 1*26=26, Resulting Numbers: [26] 26,58 unequal: No Solution Exploring Operation: 26/1=26, Resulting Numbers: [26] 26,58 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 58:[7, 32], Operations: ['48-15=33', '33-1=32'] Exploring Operation: 32-7=25, Resulting Numbers: [25] 25,58 unequal: No Solution Exploring Operation: 7+32=39, Resulting Numbers: [39] 39,58 unequal: No Solution Exploring Operation: 7*32=224, Resulting Numbers: [224] 224,58 unequal: No Solution No 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: 58:[33, 6], Operations: ['48-15=33', '7-1=6'] Exploring Operation: 33*6=198, Resulting Numbers: [198] 198,58 unequal: No Solution Exploring Operation: 33+6=39, Resulting Numbers: [39] 39,58 unequal: No Solution Exploring Operation: 33-6=27, Resulting Numbers: [27] 27,58 unequal: No Solution No 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: 58:[33, 7], Operations: ['48-15=33', '7*1=7'] Exploring Operation: 33-7=26, Resulting Numbers: [26] 26,58 unequal: No Solution Exploring Operation: 33*7=231, Resulting Numbers: [231] 231,58 unequal: No Solution Exploring Operation: 33+7=40, Resulting Numbers: [40] 40,58 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: 58:[7, 1, 63], Operations: ['15+48=63'] Exploring Operation: 7-1=6, Resulting Numbers: [63, 6] Generated Node #0,1,0: 58:[63, 6] Operation: 7-1=6 Exploring Operation: 63-7=56, Resulting Numbers: [1, 56] Generated Node #0,1,1: 58:[1, 56] Operation: 63-7=56 Exploring Operation: 63-1=62, Resulting Numbers: [7, 62] Generated Node #0,1,2: 58:[7, 62] Operation: 63-1=62 Exploring Operation: 63/7=9, Resulting Numbers: [1, 9] Generated Node #0,1,3: 58:[1, 9] Operation: 63/7=9 Moving to Node #0,1,1 Current State: 58:[1, 56], Operations: ['15+48=63', '63-7=56'] Exploring Operation: 1*56=56, Resulting Numbers: [56] 56,58 unequal: No Solution Exploring Operation: 1+56=57, Resulting Numbers: [57] 57,58 unequal: No Solution Exploring Operation: 56/1=56, Resulting Numbers: [56] 56,58 unequal: No Solution Exploring Operation: 56-1=55, Resulting Numbers: [55] 55,58 unequal: No Solution Moving to Node #0,1,3 Current State: 58:[1, 9], Operations: ['15+48=63', '63/7=9'] Exploring Operation: 9/1=9, Resulting Numbers: [9] 9,58 unequal: No Solution Exploring Operation: 9-1=8, Resulting Numbers: [8] 8,58 unequal: No Solution Exploring Operation: 1+9=10, Resulting Numbers: [10] 10,58 unequal: No Solution Exploring Operation: 1*9=9, Resulting Numbers: [9] 9,58 unequal: No Solution Moving to Node #0,1,2 Current State: 58:[7, 62], Operations: ['15+48=63', '63-1=62'] Exploring Operation: 7+62=69, Resulting Numbers: [69] 69,58 unequal: No Solution Exploring Operation: 7*62=434, Resulting Numbers: [434] 434,58 unequal: No Solution Exploring Operation: 62-7=55, Resulting Numbers: [55] 55,58 unequal: No Solution Moving to Node #0,1,0 Current State: 58:[63, 6], Operations: ['15+48=63', '7-1=6'] Exploring Operation: 63*6=378, Resulting Numbers: [378] 378,58 unequal: No Solution Exploring Operation: 63+6=69, Resulting Numbers: [69] 69,58 unequal: No Solution Exploring Operation: 63-6=57, Resulting Numbers: [57] 57,58 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 #0,0 Current State: 58:[48, 1, 8], Operations: ['15-7=8'] Exploring Operation: 48+1=49, Resulting Numbers: [8, 49] Generated Node #0,0,0: 58:[8, 49] Operation: 48+1=49 Exploring Operation: 48-8=40, Resulting Numbers: [1, 40] Generated Node #0,0,1: 58:[1, 40] Operation: 48-8=40 Exploring Operation: 48+8=56, Resulting Numbers: [1, 56] Generated Node #0,0,2: 58:[1, 56] Operation: 48+8=56 Exploring Operation: 48/8=6, Resulting Numbers: [1, 6] Generated Node #0,0,3: 58:[1, 6] Operation: 48/8=6 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 58:[1, 56], Operations: ['15-7=8', '48+8=56'] Exploring Operation: 1+56=57, Resulting Numbers: [57] 57,58 unequal: No Solution Exploring Operation: 1*56=56, Resulting Numbers: [56] 56,58 unequal: No Solution Exploring Operation: 56/1=56, Resulting Numbers: [56] 56,58 unequal: No Solution Exploring Operation: 56-1=55, Resulting Numbers: [55] 55,58 unequal: No Solution No 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: 58:[1, 6], Operations: ['15-7=8', '48/8=6'] Exploring Operation: 6-1=5, Resulting Numbers: [5] 5,58 unequal: No Solution Exploring Operation: 6/1=6, Resulting Numbers: [6] 6,58 unequal: No Solution Exploring Operation: 1+6=7, Resulting Numbers: [7] 7,58 unequal: No Solution Exploring Operation: 1*6=6, Resulting Numbers: [6] 6,58 unequal: No Solution No 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: 58:[1, 40], Operations: ['15-7=8', '48-8=40'] Exploring Operation: 1+40=41, Resulting Numbers: [41] 41,58 unequal: No Solution Exploring Operation: 40/1=40, Resulting Numbers: [40] 40,58 unequal: No Solution Exploring Operation: 40-1=39, Resulting Numbers: [39] 39,58 unequal: No Solution Exploring Operation: 1*40=40, Resulting Numbers: [40] 40,58 unequal: No Solution No 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: 58:[8, 49], Operations: ['15-7=8', '48+1=49'] Exploring Operation: 8+49=57, Resulting Numbers: [57] 57,58 unequal: No Solution Exploring Operation: 49-8=41, Resulting Numbers: [41] 41,58 unequal: No Solution Exploring Operation: 8*49=392, Resulting Numbers: [392] 392,58 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: 58:[15, 1, 55], Operations: ['7+48=55'] Exploring Operation: 1+55=56, Resulting Numbers: [15, 56] Generated Node #0,2,0: 58:[15, 56] Operation: 1+55=56 Exploring Operation: 55-15=40, Resulting Numbers: [1, 40] Generated Node #0,2,1: 58:[1, 40] Operation: 55-15=40 Exploring Operation: 15-1=14, Resulting Numbers: [55, 14] Generated Node #0,2,2: 58:[55, 14] Operation: 15-1=14 Exploring Operation: 15+55=70, Resulting Numbers: [1, 70] Generated Node #0,2,3: 58:[1, 70] Operation: 15+55=70 Moving to Node #0,2,1 Current State: 58:[1, 40], Operations: ['7+48=55', '55-15=40'] Exploring Operation: 40/1=40, Resulting Numbers: [40] 40,58 unequal: No Solution Exploring Operation: 1+40=41, Resulting Numbers: [41] 41,58 unequal: No Solution Exploring Operation: 40-1=39, Resulting Numbers: [39] 39,58 unequal: No Solution Exploring Operation: 1*40=40, Resulting Numbers: [40] 40,58 unequal: No Solution Moving to Node #0,2,3 Current State: 58:[1, 70], Operations: ['7+48=55', '15+55=70'] Exploring Operation: 1*70=70, Resulting Numbers: [70] 70,58 unequal: No Solution Exploring Operation: 1+70=71, Resulting Numbers: [71] 71,58 unequal: No Solution Exploring Operation: 70-1=69, Resulting Numbers: [69] 69,58 unequal: No Solution Exploring Operation: 70/1=70, Resulting Numbers: [70] 70,58 unequal: No Solution Moving to Node #0,2,2 Current State: 58:[55, 14], Operations: ['7+48=55', '15-1=14'] Exploring Operation: 55*14=770, Resulting Numbers: [770] 770,58 unequal: No Solution Exploring Operation: 55+14=69, Resulting Numbers: [69] 69,58 unequal: No Solution Exploring Operation: 55-14=41, Resulting Numbers: [41] 41,58 unequal: No Solution Moving to Node #0,2,0 Current State: 58:[15, 56], Operations: ['7+48=55', '1+55=56'] Exploring Operation: 15*56=840, Resulting Numbers: [840] 840,58 unequal: No Solution Exploring Operation: 56-15=41, Resulting Numbers: [41] 41,58 unequal: No Solution Exploring Operation: 15+56=71, Resulting Numbers: [71] 71,58 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
[ 32, 14, 34, 16 ]
96
[ "32+14=46", "34+16=50", "46+50=96" ]
Current State: 96:[32, 14, 34, 16], Operations: [] Exploring Operation: 32+14=46, Resulting Numbers: [34, 16, 46] Generated Node #2: [34, 16, 46] from Operation: 32+14=46 Current State: 96:[34, 16, 46], Operations: ['32+14=46'] Exploring Operation: 34+16=50, Resulting Numbers: [46, 50] Generated Node #3: [46, 50] from Operation: 34+16=50 Current State: 96:[46, 50], Operations: ['32+14=46', '34+16=50'] Exploring Operation: 46+50=96, Resulting Numbers: [96] 96,96 equal: Goal Reached
4
Current State: 96:[32, 14, 34, 16], Operations: [] Exploring Operation: 14+34=48, Resulting Numbers: [32, 16, 48] Generated Node #0,0: 96:[32, 16, 48] Operation: 14+34=48 Exploring Operation: 34-32=2, Resulting Numbers: [14, 16, 2] Generated Node #0,1: 96:[14, 16, 2] Operation: 34-32=2 Start Sub Search at level 1: Moving to Node #0,0 Current State: 96:[32, 16, 48], Operations: ['14+34=48'] Exploring Operation: 32-16=16, Resulting Numbers: [48, 16] Generated Node #0,0,0: 96:[48, 16] Operation: 32-16=16 Exploring Operation: 32+16=48, Resulting Numbers: [48, 48] Generated Node #0,0,1: 96:[48, 48] Operation: 32+16=48 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 96:[48, 16], Operations: ['14+34=48', '32-16=16'] Exploring Operation: 48-16=32, Resulting Numbers: [32] 32,96 unequal: No Solution Exploring Operation: 48/16=3, Resulting Numbers: [3] 3,96 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 96:[48, 48], Operations: ['14+34=48', '32+16=48'] Exploring Operation: 48/48=1, Resulting Numbers: [1] 1,96 unequal: No Solution Exploring Operation: 48+48=96, Resulting Numbers: [96] 96,96 equal: Goal Reached Moving to Node #0 Current State: 96:[32, 14, 34, 16], Operations: [] Exploring Operation: 14+34=48, Resulting Numbers: [32, 16, 48] Generated Node #0,0: 96:[32, 16, 48] Operation: 14+34=48 Moving to Node #0,0 Current State: 96:[32, 16, 48], Operations: ['14+34=48'] Exploring Operation: 32+16=48, Resulting Numbers: [48, 48] Generated Node #0,0,1: 96:[48, 48] Operation: 32+16=48 Moving to Node #0,0,1 Current State: 96:[48, 48], Operations: ['14+34=48', '32+16=48'] Exploring Operation: 48+48=96, Resulting Numbers: [96] 96,96 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.989583
hs_2
sum_heuristic
[ 5, 77, 71, 53 ]
53
[ "77-5=72", "72-71=1", "53*1=53" ]
Current State: 53:[5, 77, 71, 53], Operations: [] Exploring Operation: 77-5=72, Resulting Numbers: [71, 53, 72] Generated Node #2: [71, 53, 72] from Operation: 77-5=72 Current State: 53:[71, 53, 72], Operations: ['77-5=72'] Exploring Operation: 72-71=1, Resulting Numbers: [53, 1] Generated Node #3: [53, 1] from Operation: 72-71=1 Current State: 53:[53, 1], Operations: ['77-5=72', '72-71=1'] Exploring Operation: 53*1=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[5, 77, 71, 53], Operations: [] Exploring Operation: 5+77=82, Resulting Numbers: [71, 53, 82] Generated Node #0,0: 53:[71, 53, 82] Operation: 5+77=82 Exploring Operation: 77-5=72, Resulting Numbers: [71, 53, 72] Generated Node #0,1: 53:[71, 53, 72] Operation: 77-5=72 Exploring Operation: 71-5=66, Resulting Numbers: [77, 53, 66] Generated Node #0,2: 53:[77, 53, 66] Operation: 71-5=66 Moving to Node #0,1 Current State: 53:[71, 53, 72], Operations: ['77-5=72'] Exploring Operation: 72-53=19, Resulting Numbers: [71, 19] Generated Node #0,1,0: 53:[71, 19] Operation: 72-53=19 Exploring Operation: 72-71=1, Resulting Numbers: [53, 1] Generated Node #0,1,1: 53:[53, 1] Operation: 72-71=1 Exploring Operation: 71-53=18, Resulting Numbers: [72, 18] Generated Node #0,1,2: 53:[72, 18] Operation: 71-53=18 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 53:[71, 19], Operations: ['77-5=72', '72-53=19'] Exploring Operation: 71-19=52, Resulting Numbers: [52] 52,53 unequal: No Solution Exploring Operation: 71+19=90, Resulting Numbers: [90] 90,53 unequal: No Solution Exploring Operation: 71*19=1349, Resulting Numbers: [1349] 1349,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 53:[53, 1], Operations: ['77-5=72', '72-71=1'] Exploring Operation: 53*1=53, Resulting Numbers: [53] 53,53 equal: Goal Reached Moving to Node #0 Current State: 53:[5, 77, 71, 53], Operations: [] Exploring Operation: 77-5=72, Resulting Numbers: [71, 53, 72] Generated Node #0,1: 53:[71, 53, 72] Operation: 77-5=72 Moving to Node #0,1 Current State: 53:[71, 53, 72], Operations: ['77-5=72'] Exploring Operation: 72-71=1, Resulting Numbers: [53, 1] Generated Node #0,1,1: 53:[53, 1] Operation: 72-71=1 Moving to Node #0,1,1 Current State: 53:[53, 1], Operations: ['77-5=72', '72-71=1'] Exploring Operation: 53*1=53, Resulting Numbers: [53] 53,53 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_3
mult_heuristic
[ 26, 10, 76, 47 ]
65
[ "26+10=36", "76-47=29", "36+29=65" ]
Current State: 65:[26, 10, 76, 47], Operations: [] Exploring Operation: 26+10=36, Resulting Numbers: [76, 47, 36] Generated Node #2: [76, 47, 36] from Operation: 26+10=36 Current State: 65:[76, 47, 36], Operations: ['26+10=36'] Exploring Operation: 76-47=29, Resulting Numbers: [36, 29] Generated Node #3: [36, 29] from Operation: 76-47=29 Current State: 65:[36, 29], Operations: ['26+10=36', '76-47=29'] Exploring Operation: 36+29=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
4
Current State: 65:[26, 10, 76, 47], Operations: [] Exploring Operation: 26+47=73, Resulting Numbers: [10, 76, 73] Generated Node #0,0: 65:[10, 76, 73] Operation: 26+47=73 Exploring Operation: 47-26=21, Resulting Numbers: [10, 76, 21] Generated Node #0,1: 65:[10, 76, 21] Operation: 47-26=21 Moving to Node #0,0 Current State: 65:[10, 76, 73], Operations: ['26+47=73'] Exploring Operation: 76-73=3, Resulting Numbers: [10, 3] Generated Node #0,0,0: 65:[10, 3] Operation: 76-73=3 Exploring Operation: 76-10=66, Resulting Numbers: [73, 66] Generated Node #0,0,1: 65:[73, 66] Operation: 76-10=66 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 65:[10, 3], Operations: ['26+47=73', '76-73=3'] Exploring Operation: 10+3=13, Resulting Numbers: [13] 13,65 unequal: No Solution Exploring Operation: 10-3=7, Resulting Numbers: [7] 7,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 65:[73, 66], Operations: ['26+47=73', '76-10=66'] Exploring Operation: 73-66=7, Resulting Numbers: [7] 7,65 unequal: No Solution Exploring Operation: 73+66=139, Resulting Numbers: [139] 139,65 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: 65:[10, 76, 21], Operations: ['47-26=21'] Exploring Operation: 21-10=11, Resulting Numbers: [76, 11] Generated Node #0,1,0: 65:[76, 11] Operation: 21-10=11 Exploring Operation: 76-10=66, Resulting Numbers: [21, 66] Generated Node #0,1,1: 65:[21, 66] Operation: 76-10=66 Moving to Node #0,1,1 Current State: 65:[21, 66], Operations: ['47-26=21', '76-10=66'] Exploring Operation: 21+66=87, Resulting Numbers: [87] 87,65 unequal: No Solution Exploring Operation: 66-21=45, Resulting Numbers: [45] 45,65 unequal: No Solution Moving to Node #0,1,0 Current State: 65:[76, 11], Operations: ['47-26=21', '21-10=11'] Exploring Operation: 76-11=65, Resulting Numbers: [65] 65,65 equal: Goal Reached Moving to Node #0 Current State: 65:[26, 10, 76, 47], Operations: [] Exploring Operation: 47-26=21, Resulting Numbers: [10, 76, 21] Generated Node #0,1: 65:[10, 76, 21] Operation: 47-26=21 Moving to Node #0,1 Current State: 65:[10, 76, 21], Operations: ['47-26=21'] Exploring Operation: 21-10=11, Resulting Numbers: [76, 11] Generated Node #0,1,0: 65:[76, 11] Operation: 21-10=11 Moving to Node #0,1,0 Current State: 65:[76, 11], Operations: ['47-26=21', '21-10=11'] Exploring Operation: 76-11=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
0.985243
hs_2
sum_heuristic
[ 80, 46, 40, 45 ]
29
[ "80-46=34", "45-40=5", "34-5=29" ]
Current State: 29:[80, 46, 40, 45], Operations: [] Exploring Operation: 80-46=34, Resulting Numbers: [40, 45, 34] Generated Node #2: [40, 45, 34] from Operation: 80-46=34 Current State: 29:[40, 45, 34], Operations: ['80-46=34'] Exploring Operation: 45-40=5, Resulting Numbers: [34, 5] Generated Node #3: [34, 5] from Operation: 45-40=5 Current State: 29:[34, 5], Operations: ['80-46=34', '45-40=5'] Exploring Operation: 34-5=29, Resulting Numbers: [29] 29,29 equal: Goal Reached
4
Current State: 29:[80, 46, 40, 45], Operations: [] Exploring Operation: 80-46=34, Resulting Numbers: [40, 45, 34] Generated Node #0,0: 29:[40, 45, 34] Operation: 80-46=34 Exploring Operation: 80/40=2, Resulting Numbers: [46, 45, 2] Generated Node #0,1: 29:[46, 45, 2] Operation: 80/40=2 Exploring Operation: 80-40=40, Resulting Numbers: [46, 45, 40] Generated Node #0,2: 29:[46, 45, 40] Operation: 80-40=40 Exploring Operation: 46-40=6, Resulting Numbers: [80, 45, 6] Generated Node #0,3: 29:[80, 45, 6] Operation: 46-40=6 Exploring Operation: 80-45=35, Resulting Numbers: [46, 40, 35] Generated Node #0,4: 29:[46, 40, 35] Operation: 80-45=35 Start Sub Search at level 1: Moving to Node #0,0 Current State: 29:[40, 45, 34], Operations: ['80-46=34'] Exploring Operation: 40+34=74, Resulting Numbers: [45, 74] Generated Node #0,0,0: 29:[45, 74] Operation: 40+34=74 Exploring Operation: 45-34=11, Resulting Numbers: [40, 11] Generated Node #0,0,1: 29:[40, 11] Operation: 45-34=11 Exploring Operation: 40-34=6, Resulting Numbers: [45, 6] Generated Node #0,0,2: 29:[45, 6] Operation: 40-34=6 Exploring Operation: 40+45=85, Resulting Numbers: [34, 85] Generated Node #0,0,3: 29:[34, 85] Operation: 40+45=85 Exploring Operation: 45-40=5, Resulting Numbers: [34, 5] Generated Node #0,0,4: 29:[34, 5] Operation: 45-40=5 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 29:[40, 11], Operations: ['80-46=34', '45-34=11'] Exploring Operation: 40-11=29, Resulting Numbers: [29] 29,29 equal: Goal Reached Moving to Node #0 Current State: 29:[80, 46, 40, 45], Operations: [] Exploring Operation: 80-46=34, Resulting Numbers: [40, 45, 34] Generated Node #0,0: 29:[40, 45, 34] Operation: 80-46=34 Moving to Node #0,0 Current State: 29:[40, 45, 34], Operations: ['80-46=34'] Exploring Operation: 45-34=11, Resulting Numbers: [40, 11] Generated Node #0,0,1: 29:[40, 11] Operation: 45-34=11 Moving to Node #0,0,1 Current State: 29:[40, 11], Operations: ['80-46=34', '45-34=11'] Exploring Operation: 40-11=29, Resulting Numbers: [29] 29,29 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986979
hs_5
mult_heuristic
[ 5, 73, 24, 30 ]
17
[ "5*24=120", "73+30=103", "120-103=17" ]
Current State: 17:[5, 73, 24, 30], Operations: [] Exploring Operation: 5*24=120, Resulting Numbers: [73, 30, 120] Generated Node #2: [73, 30, 120] from Operation: 5*24=120 Current State: 17:[73, 30, 120], Operations: ['5*24=120'] Exploring Operation: 73+30=103, Resulting Numbers: [120, 103] Generated Node #3: [120, 103] from Operation: 73+30=103 Current State: 17:[120, 103], Operations: ['5*24=120', '73+30=103'] Exploring Operation: 120-103=17, Resulting Numbers: [17] 17,17 equal: Goal Reached
4
Current State: 17:[5, 73, 24, 30], Operations: [] Exploring Operation: 73-30=43, Resulting Numbers: [5, 24, 43] Generated Node #0,0: 17:[5, 24, 43] Operation: 73-30=43 Exploring Operation: 73-5=68, Resulting Numbers: [24, 30, 68] Generated Node #0,1: 17:[24, 30, 68] Operation: 73-5=68 Exploring Operation: 73-24=49, Resulting Numbers: [5, 30, 49] Generated Node #0,2: 17:[5, 30, 49] Operation: 73-24=49 Moving to Node #0,0 Current State: 17:[5, 24, 43], Operations: ['73-30=43'] Exploring Operation: 24-5=19, Resulting Numbers: [43, 19] Generated Node #0,0,0: 17:[43, 19] Operation: 24-5=19 Exploring Operation: 43-24=19, Resulting Numbers: [5, 19] Generated Node #0,0,1: 17:[5, 19] Operation: 43-24=19 Exploring Operation: 43-5=38, Resulting Numbers: [24, 38] Generated Node #0,0,2: 17:[24, 38] Operation: 43-5=38 Moving to Node #0,2 Current State: 17:[5, 30, 49], Operations: ['73-24=49'] Exploring Operation: 30-5=25, Resulting Numbers: [49, 25] Generated Node #0,2,0: 17:[49, 25] Operation: 30-5=25 Exploring Operation: 49-5=44, Resulting Numbers: [30, 44] Generated Node #0,2,1: 17:[30, 44] Operation: 49-5=44 Exploring Operation: 49-30=19, Resulting Numbers: [5, 19] Generated Node #0,2,2: 17:[5, 19] Operation: 49-30=19 Moving to Node #0,1 Current State: 17:[24, 30, 68], Operations: ['73-5=68'] Exploring Operation: 68-30=38, Resulting Numbers: [24, 38] Generated Node #0,1,0: 17:[24, 38] Operation: 68-30=38 Exploring Operation: 68-24=44, Resulting Numbers: [30, 44] Generated Node #0,1,1: 17:[30, 44] Operation: 68-24=44 Exploring Operation: 30-24=6, Resulting Numbers: [68, 6] Generated Node #0,1,2: 17:[68, 6] Operation: 30-24=6 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 17:[24, 38], Operations: ['73-5=68', '68-30=38'] Exploring Operation: 38-24=14, Resulting Numbers: [14] 14,17 unequal: No Solution Exploring Operation: 24*38=912, Resulting Numbers: [912] 912,17 unequal: No Solution Exploring Operation: 24+38=62, Resulting Numbers: [62] 62,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 17:[30, 44], Operations: ['73-5=68', '68-24=44'] Exploring Operation: 30+44=74, Resulting Numbers: [74] 74,17 unequal: No Solution Exploring Operation: 44-30=14, Resulting Numbers: [14] 14,17 unequal: No Solution Exploring Operation: 30*44=1320, Resulting Numbers: [1320] 1320,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 17:[68, 6], Operations: ['73-5=68', '30-24=6'] Exploring Operation: 68*6=408, Resulting Numbers: [408] 408,17 unequal: No Solution Exploring Operation: 68-6=62, Resulting Numbers: [62] 62,17 unequal: No Solution Exploring Operation: 68+6=74, Resulting Numbers: [74] 74,17 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: 17:[5, 19], Operations: ['73-30=43', '43-24=19'] Exploring Operation: 5+19=24, Resulting Numbers: [24] 24,17 unequal: No Solution Exploring Operation: 5*19=95, Resulting Numbers: [95] 95,17 unequal: No Solution Exploring Operation: 19-5=14, Resulting Numbers: [14] 14,17 unequal: No Solution Moving to Node #0,2,2 Current State: 17:[5, 19], Operations: ['73-24=49', '49-30=19'] Exploring Operation: 5*19=95, Resulting Numbers: [95] 95,17 unequal: No Solution Exploring Operation: 5+19=24, Resulting Numbers: [24] 24,17 unequal: No Solution Exploring Operation: 19-5=14, Resulting Numbers: [14] 14,17 unequal: No Solution Moving to Node #0,0,2 Current State: 17:[24, 38], Operations: ['73-30=43', '43-5=38'] Exploring Operation: 24+38=62, Resulting Numbers: [62] 62,17 unequal: No Solution Exploring Operation: 24*38=912, Resulting Numbers: [912] 912,17 unequal: No Solution Exploring Operation: 38-24=14, Resulting Numbers: [14] 14,17 unequal: No Solution Moving to Node #0,0,0 Current State: 17:[43, 19], Operations: ['73-30=43', '24-5=19'] Exploring Operation: 43+19=62, Resulting Numbers: [62] 62,17 unequal: No Solution Exploring Operation: 43*19=817, Resulting Numbers: [817] 817,17 unequal: No Solution Exploring Operation: 43-19=24, Resulting Numbers: [24] 24,17 unequal: No Solution Moving to Node #0,2,1 Current State: 17:[30, 44], Operations: ['73-24=49', '49-5=44'] Exploring Operation: 30*44=1320, Resulting Numbers: [1320] 1320,17 unequal: No Solution Exploring Operation: 30+44=74, Resulting Numbers: [74] 74,17 unequal: No Solution Exploring Operation: 44-30=14, Resulting Numbers: [14] 14,17 unequal: No Solution Moving to Node #0,2,0 Current State: 17:[49, 25], Operations: ['73-24=49', '30-5=25'] Exploring Operation: 49*25=1225, Resulting Numbers: [1225] 1225,17 unequal: No Solution Exploring Operation: 49+25=74, Resulting Numbers: [74] 74,17 unequal: No Solution Exploring Operation: 49-25=24, Resulting Numbers: [24] 24,17 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 1, 2, 83, 90 ]
76
[ "1*2=2", "83*2=166", "166-90=76" ]
Current State: 76:[1, 2, 83, 90], Operations: [] Exploring Operation: 1*2=2, Resulting Numbers: [83, 90, 2] Generated Node #2: [83, 90, 2] from Operation: 1*2=2 Current State: 76:[83, 90, 2], Operations: ['1*2=2'] Exploring Operation: 83*2=166, Resulting Numbers: [90, 166] Generated Node #3: [90, 166] from Operation: 83*2=166 Current State: 76:[90, 166], Operations: ['1*2=2', '83*2=166'] Exploring Operation: 166-90=76, Resulting Numbers: [76] 76,76 equal: Goal Reached
4
Current State: 76:[1, 2, 83, 90], Operations: [] Exploring Operation: 90-1=89, Resulting Numbers: [2, 83, 89] Generated Node #0,0: 76:[2, 83, 89] Operation: 90-1=89 Exploring Operation: 90/2=45, Resulting Numbers: [1, 83, 45] Generated Node #0,1: 76:[1, 83, 45] Operation: 90/2=45 Exploring Operation: 83-2=81, Resulting Numbers: [1, 90, 81] Generated Node #0,2: 76:[1, 90, 81] Operation: 83-2=81 Exploring Operation: 90-83=7, Resulting Numbers: [1, 2, 7] Generated Node #0,3: 76:[1, 2, 7] Operation: 90-83=7 Exploring Operation: 83-1=82, Resulting Numbers: [2, 90, 82] Generated Node #0,4: 76:[2, 90, 82] Operation: 83-1=82 Moving to Node #0,3 Current State: 76:[1, 2, 7], Operations: ['90-83=7'] Exploring Operation: 7-1=6, Resulting Numbers: [2, 6] Generated Node #0,3,0: 76:[2, 6] Operation: 7-1=6 Exploring Operation: 7-2=5, Resulting Numbers: [1, 5] Generated Node #0,3,1: 76:[1, 5] Operation: 7-2=5 Exploring Operation: 2/1=2, Resulting Numbers: [7, 2] Generated Node #0,3,2: 76:[7, 2] Operation: 2/1=2 Exploring Operation: 1*2=2, Resulting Numbers: [7, 2] Generated Node #0,3,3: 76:[7, 2] Operation: 1*2=2 Exploring Operation: 1*7=7, Resulting Numbers: [2, 7] Generated Node #0,3,4: 76:[2, 7] Operation: 1*7=7 Moving to Node #0,1 Current State: 76:[1, 83, 45], Operations: ['90/2=45'] Exploring Operation: 83-1=82, Resulting Numbers: [45, 82] Generated Node #0,1,0: 76:[45, 82] Operation: 83-1=82 Exploring Operation: 83/1=83, Resulting Numbers: [45, 83] Generated Node #0,1,1: 76:[45, 83] Operation: 83/1=83 Exploring Operation: 83-45=38, Resulting Numbers: [1, 38] Generated Node #0,1,2: 76:[1, 38] Operation: 83-45=38 Exploring Operation: 1*83=83, Resulting Numbers: [45, 83] Generated Node #0,1,3: 76:[45, 83] Operation: 1*83=83 Exploring Operation: 45-1=44, Resulting Numbers: [83, 44] Generated Node #0,1,4: 76:[83, 44] Operation: 45-1=44 Moving to Node #0,0 Current State: 76:[2, 83, 89], Operations: ['90-1=89'] Exploring Operation: 2+89=91, Resulting Numbers: [83, 91] Generated Node #0,0,0: 76:[83, 91] Operation: 2+89=91 Exploring Operation: 89-83=6, Resulting Numbers: [2, 6] Generated Node #0,0,1: 76:[2, 6] Operation: 89-83=6 Exploring Operation: 83-2=81, Resulting Numbers: [89, 81] Generated Node #0,0,2: 76:[89, 81] Operation: 83-2=81 Exploring Operation: 89-2=87, Resulting Numbers: [83, 87] Generated Node #0,0,3: 76:[83, 87] Operation: 89-2=87 Exploring Operation: 2+83=85, Resulting Numbers: [89, 85] Generated Node #0,0,4: 76:[89, 85] Operation: 2+83=85 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 76:[2, 6], Operations: ['90-1=89', '89-83=6'] Exploring Operation: 2*6=12, Resulting Numbers: [12] 12,76 unequal: No Solution Exploring Operation: 6/2=3, Resulting Numbers: [3] 3,76 unequal: No Solution Exploring Operation: 6-2=4, Resulting Numbers: [4] 4,76 unequal: No Solution Exploring Operation: 2+6=8, Resulting Numbers: [8] 8,76 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 76:[89, 81], Operations: ['90-1=89', '83-2=81'] Exploring Operation: 89*81=7209, Resulting Numbers: [7209] 7209,76 unequal: No Solution Exploring Operation: 89-81=8, Resulting Numbers: [8] 8,76 unequal: No Solution Exploring Operation: 89+81=170, Resulting Numbers: [170] 170,76 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 76:[83, 87], Operations: ['90-1=89', '89-2=87'] Exploring Operation: 87-83=4, Resulting Numbers: [4] 4,76 unequal: No Solution Exploring Operation: 83+87=170, Resulting Numbers: [170] 170,76 unequal: No Solution Exploring Operation: 83*87=7221, Resulting Numbers: [7221] 7221,76 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 76:[83, 91], Operations: ['90-1=89', '2+89=91'] Exploring Operation: 83*91=7553, Resulting Numbers: [7553] 7553,76 unequal: No Solution Exploring Operation: 91-83=8, Resulting Numbers: [8] 8,76 unequal: No Solution Exploring Operation: 83+91=174, Resulting Numbers: [174] 174,76 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 76:[89, 85], Operations: ['90-1=89', '2+83=85'] Exploring Operation: 89-85=4, Resulting Numbers: [4] 4,76 unequal: No Solution Exploring Operation: 89*85=7565, Resulting Numbers: [7565] 7565,76 unequal: No Solution Exploring Operation: 89+85=174, Resulting Numbers: [174] 174,76 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: 76:[1, 90, 81], Operations: ['83-2=81'] Exploring Operation: 90-1=89, Resulting Numbers: [81, 89] Generated Node #0,2,0: 76:[81, 89] Operation: 90-1=89 Exploring Operation: 1*90=90, Resulting Numbers: [81, 90] Generated Node #0,2,1: 76:[81, 90] Operation: 1*90=90 Exploring Operation: 81-1=80, Resulting Numbers: [90, 80] Generated Node #0,2,2: 76:[90, 80] Operation: 81-1=80 Exploring Operation: 90/1=90, Resulting Numbers: [81, 90] Generated Node #0,2,3: 76:[81, 90] Operation: 90/1=90 Exploring Operation: 90-81=9, Resulting Numbers: [1, 9] Generated Node #0,2,4: 76:[1, 9] Operation: 90-81=9 Moving to Node #0,4 Current State: 76:[2, 90, 82], Operations: ['83-1=82'] Exploring Operation: 82/2=41, Resulting Numbers: [90, 41] Generated Node #0,4,0: 76:[90, 41] Operation: 82/2=41 Exploring Operation: 82-2=80, Resulting Numbers: [90, 80] Generated Node #0,4,1: 76:[90, 80] Operation: 82-2=80 Exploring Operation: 90/2=45, Resulting Numbers: [82, 45] Generated Node #0,4,2: 76:[82, 45] Operation: 90/2=45 Exploring Operation: 90-82=8, Resulting Numbers: [2, 8] Generated Node #0,4,3: 76:[2, 8] Operation: 90-82=8 Exploring Operation: 90-2=88, Resulting Numbers: [82, 88] Generated Node #0,4,4: 76:[82, 88] Operation: 90-2=88 Moving to Node #0,1,2 Current State: 76:[1, 38], Operations: ['90/2=45', '83-45=38'] Exploring Operation: 38/1=38, Resulting Numbers: [38] 38,76 unequal: No Solution Exploring Operation: 38-1=37, Resulting Numbers: [37] 37,76 unequal: No Solution Exploring Operation: 1*38=38, Resulting Numbers: [38] 38,76 unequal: No Solution Exploring Operation: 1+38=39, Resulting Numbers: [39] 39,76 unequal: No Solution Moving to Node #0,3,0 Current State: 76:[2, 6], Operations: ['90-83=7', '7-1=6'] Exploring Operation: 6/2=3, Resulting Numbers: [3] 3,76 unequal: No Solution Exploring Operation: 6-2=4, Resulting Numbers: [4] 4,76 unequal: No Solution Exploring Operation: 2+6=8, Resulting Numbers: [8] 8,76 unequal: No Solution Exploring Operation: 2*6=12, Resulting Numbers: [12] 12,76 unequal: No Solution Moving to Node #0,3,1 Current State: 76:[1, 5], Operations: ['90-83=7', '7-2=5'] Exploring Operation: 1*5=5, Resulting Numbers: [5] 5,76 unequal: No Solution Exploring Operation: 5-1=4, Resulting Numbers: [4] 4,76 unequal: No Solution Exploring Operation: 5/1=5, Resulting Numbers: [5] 5,76 unequal: No Solution Exploring Operation: 1+5=6, Resulting Numbers: [6] 6,76 unequal: No Solution Moving to Node #0,3,2 Current State: 76:[7, 2], Operations: ['90-83=7', '2/1=2'] Exploring Operation: 7*2=14, Resulting Numbers: [14] 14,76 unequal: No Solution Exploring Operation: 7-2=5, Resulting Numbers: [5] 5,76 unequal: No Solution Exploring Operation: 7+2=9, Resulting Numbers: [9] 9,76 unequal: No Solution Moving to Node #0,3,4 Current State: 76:[2, 7], Operations: ['90-83=7', '1*7=7'] Exploring Operation: 2*7=14, Resulting Numbers: [14] 14,76 unequal: No Solution Exploring Operation: 7-2=5, Resulting Numbers: [5] 5,76 unequal: No Solution Exploring Operation: 2+7=9, Resulting Numbers: [9] 9,76 unequal: No Solution Moving to Node #0,3,3 Current State: 76:[7, 2], Operations: ['90-83=7', '1*2=2'] Exploring Operation: 7-2=5, Resulting Numbers: [5] 5,76 unequal: No Solution Exploring Operation: 7*2=14, Resulting Numbers: [14] 14,76 unequal: No Solution Exploring Operation: 7+2=9, Resulting Numbers: [9] 9,76 unequal: No Solution Moving to Node #0,4,3 Current State: 76:[2, 8], Operations: ['83-1=82', '90-82=8'] Exploring Operation: 8/2=4, Resulting Numbers: [4] 4,76 unequal: No Solution Exploring Operation: 8-2=6, Resulting Numbers: [6] 6,76 unequal: No Solution Exploring Operation: 2+8=10, Resulting Numbers: [10] 10,76 unequal: No Solution Exploring Operation: 2*8=16, Resulting Numbers: [16] 16,76 unequal: No Solution Moving to Node #0,2,4 Current State: 76:[1, 9], Operations: ['83-2=81', '90-81=9'] Exploring Operation: 1+9=10, Resulting Numbers: [10] 10,76 unequal: No Solution Exploring Operation: 9/1=9, Resulting Numbers: [9] 9,76 unequal: No Solution Exploring Operation: 9-1=8, Resulting Numbers: [8] 8,76 unequal: No Solution Exploring Operation: 1*9=9, Resulting Numbers: [9] 9,76 unequal: No Solution Moving to Node #0,1,0 Current State: 76:[45, 82], Operations: ['90/2=45', '83-1=82'] Exploring Operation: 45*82=3690, Resulting Numbers: [3690] 3690,76 unequal: No Solution Exploring Operation: 45+82=127, Resulting Numbers: [127] 127,76 unequal: No Solution Exploring Operation: 82-45=37, Resulting Numbers: [37] 37,76 unequal: No Solution Moving to Node #0,1,4 Current State: 76:[83, 44], Operations: ['90/2=45', '45-1=44'] Exploring Operation: 83-44=39, Resulting Numbers: [39] 39,76 unequal: No Solution Exploring Operation: 83*44=3652, Resulting Numbers: [3652] 3652,76 unequal: No Solution Exploring Operation: 83+44=127, Resulting Numbers: [127] 127,76 unequal: No Solution Moving to Node #0,4,2 Current State: 76:[82, 45], Operations: ['83-1=82', '90/2=45'] Exploring Operation: 82+45=127, Resulting Numbers: [127] 127,76 unequal: No Solution Exploring Operation: 82-45=37, Resulting Numbers: [37] 37,76 unequal: No Solution Exploring Operation: 82*45=3690, Resulting Numbers: [3690] 3690,76 unequal: No Solution Moving to Node #0,1,3 Current State: 76:[45, 83], Operations: ['90/2=45', '1*83=83'] Exploring Operation: 45+83=128, Resulting Numbers: [128] 128,76 unequal: No Solution Exploring Operation: 45*83=3735, Resulting Numbers: [3735] 3735,76 unequal: No Solution Exploring Operation: 83-45=38, Resulting Numbers: [38] 38,76 unequal: No Solution Moving to Node #0,1,1 Current State: 76:[45, 83], Operations: ['90/2=45', '83/1=83'] Exploring Operation: 83-45=38, Resulting Numbers: [38] 38,76 unequal: No Solution Exploring Operation: 45+83=128, Resulting Numbers: [128] 128,76 unequal: No Solution Exploring Operation: 45*83=3735, Resulting Numbers: [3735] 3735,76 unequal: No Solution Moving to Node #0,4,0 Current State: 76:[90, 41], Operations: ['83-1=82', '82/2=41'] Exploring Operation: 90-41=49, Resulting Numbers: [49] 49,76 unequal: No Solution Exploring Operation: 90+41=131, Resulting Numbers: [131] 131,76 unequal: No Solution Exploring Operation: 90*41=3690, Resulting Numbers: [3690] 3690,76 unequal: No Solution Moving to Node #0,4,4 Current State: 76:[82, 88], Operations: ['83-1=82', '90-2=88'] Exploring Operation: 88-82=6, Resulting Numbers: [6] 6,76 unequal: No Solution Exploring Operation: 82+88=170, Resulting Numbers: [170] 170,76 unequal: No Solution Exploring Operation: 82*88=7216, Resulting Numbers: [7216] 7216,76 unequal: No Solution Moving to Node #0,2,2 Current State: 76:[90, 80], Operations: ['83-2=81', '81-1=80'] Exploring Operation: 90-80=10, Resulting Numbers: [10] 10,76 unequal: No Solution Exploring Operation: 90+80=170, Resulting Numbers: [170] 170,76 unequal: No Solution Exploring Operation: 90*80=7200, Resulting Numbers: [7200] 7200,76 unequal: No Solution Moving to Node #0,4,1 Current State: 76:[90, 80], Operations: ['83-1=82', '82-2=80'] Exploring Operation: 90+80=170, Resulting Numbers: [170] 170,76 unequal: No Solution Exploring Operation: 90-80=10, Resulting Numbers: [10] 10,76 unequal: No Solution Exploring Operation: 90*80=7200, Resulting Numbers: [7200] 7200,76 unequal: No Solution Moving to Node #0,2,0 Current State: 76:[81, 89], Operations: ['83-2=81', '90-1=89'] Exploring Operation: 89-81=8, Resulting Numbers: [8] 8,76 unequal: No Solution Exploring Operation: 81*89=7209, Resulting Numbers: [7209] 7209,76 unequal: No Solution Exploring Operation: 81+89=170, Resulting Numbers: [170] 170,76 unequal: No Solution Moving to Node #0,2,3 Current State: 76:[81, 90], Operations: ['83-2=81', '90/1=90'] Exploring Operation: 81*90=7290, Resulting Numbers: [7290] 7290,76 unequal: No Solution Exploring Operation: 81+90=171, Resulting Numbers: [171] 171,76 unequal: No Solution Exploring Operation: 90-81=9, Resulting Numbers: [9] 9,76 unequal: No Solution Moving to Node #0,2,1 Current State: 76:[81, 90], Operations: ['83-2=81', '1*90=90'] Exploring Operation: 81+90=171, Resulting Numbers: [171] 171,76 unequal: No Solution Exploring Operation: 90-81=9, Resulting Numbers: [9] 9,76 unequal: No Solution Exploring Operation: 81*90=7290, Resulting Numbers: [7290] 7290,76 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 92, 81, 81, 93 ]
92
[ "81-81=0", "93*0=0", "92+0=92" ]
Current State: 92:[92, 81, 81, 93], Operations: [] Exploring Operation: 81-81=0, Resulting Numbers: [92, 93, 0] Generated Node #2: [92, 93, 0] from Operation: 81-81=0 Current State: 92:[92, 93, 0], Operations: ['81-81=0'] Exploring Operation: 93*0=0, Resulting Numbers: [92, 0] Generated Node #3: [92, 0] from Operation: 93*0=0 Current State: 92:[92, 0], Operations: ['81-81=0', '93*0=0'] Exploring Operation: 92+0=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
4
Current State: 92:[92, 81, 81, 93], Operations: [] Exploring Operation: 81/81=1, Resulting Numbers: [92, 93, 1] Generated Node #0,0: 92:[92, 93, 1] Operation: 81/81=1 Moving to Node #0,0 Current State: 92:[92, 93, 1], Operations: ['81/81=1'] Exploring Operation: 93-1=92, Resulting Numbers: [92, 92] Generated Node #0,0,0: 92:[92, 92] Operation: 93-1=92 Moving to Node #0,0,0 Current State: 92:[92, 92], Operations: ['81/81=1', '93-1=92'] Exploring Operation: 92/92=1, Resulting Numbers: [1] 1,92 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 15, 67, 30, 33 ]
22
[ "33-30=3", "15*3=45", "67-45=22" ]
Current State: 22:[15, 67, 30, 33], Operations: [] Exploring Operation: 33-30=3, Resulting Numbers: [15, 67, 3] Generated Node #2: [15, 67, 3] from Operation: 33-30=3 Current State: 22:[15, 67, 3], Operations: ['33-30=3'] Exploring Operation: 15*3=45, Resulting Numbers: [67, 45] Generated Node #3: [67, 45] from Operation: 15*3=45 Current State: 22:[67, 45], Operations: ['33-30=3', '15*3=45'] Exploring Operation: 67-45=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
4
Current State: 22:[15, 67, 30, 33], Operations: [] Exploring Operation: 67-33=34, Resulting Numbers: [15, 30, 34] Generated Node #0,0: 22:[15, 30, 34] Operation: 67-33=34 Exploring Operation: 33-30=3, Resulting Numbers: [15, 67, 3] Generated Node #0,1: 22:[15, 67, 3] Operation: 33-30=3 Exploring Operation: 30/15=2, Resulting Numbers: [67, 33, 2] Generated Node #0,2: 22:[67, 33, 2] Operation: 30/15=2 Exploring Operation: 67-30=37, Resulting Numbers: [15, 33, 37] Generated Node #0,3: 22:[15, 33, 37] Operation: 67-30=37 Exploring Operation: 67-15=52, Resulting Numbers: [30, 33, 52] Generated Node #0,4: 22:[30, 33, 52] Operation: 67-15=52 Start Sub Search at level 1: Moving to Node #0,0 Current State: 22:[15, 30, 34], Operations: ['67-33=34'] Exploring Operation: 30-15=15, Resulting Numbers: [34, 15] Generated Node #0,0,0: 22:[34, 15] Operation: 30-15=15 Exploring Operation: 15+30=45, Resulting Numbers: [34, 45] Generated Node #0,0,1: 22:[34, 45] Operation: 15+30=45 Exploring Operation: 34-30=4, Resulting Numbers: [15, 4] Generated Node #0,0,2: 22:[15, 4] Operation: 34-30=4 Exploring Operation: 30/15=2, Resulting Numbers: [34, 2] Generated Node #0,0,3: 22:[34, 2] Operation: 30/15=2 Exploring Operation: 34-15=19, Resulting Numbers: [30, 19] Generated Node #0,0,4: 22:[30, 19] Operation: 34-15=19 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 22:[15, 4], Operations: ['67-33=34', '34-30=4'] Exploring Operation: 15-4=11, Resulting Numbers: [11] 11,22 unequal: No Solution Exploring Operation: 15+4=19, Resulting Numbers: [19] 19,22 unequal: No Solution Exploring Operation: 15*4=60, Resulting Numbers: [60] 60,22 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 22:[30, 19], Operations: ['67-33=34', '34-15=19'] Exploring Operation: 30-19=11, Resulting Numbers: [11] 11,22 unequal: No Solution Exploring Operation: 30+19=49, Resulting Numbers: [49] 49,22 unequal: No Solution Exploring Operation: 30*19=570, Resulting Numbers: [570] 570,22 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 22:[34, 2], Operations: ['67-33=34', '30/15=2'] Exploring Operation: 34*2=68, Resulting Numbers: [68] 68,22 unequal: No Solution Exploring Operation: 34/2=17, Resulting Numbers: [17] 17,22 unequal: No Solution 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 No 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: 22:[34, 15], Operations: ['67-33=34', '30-15=15'] Exploring Operation: 34*15=510, Resulting Numbers: [510] 510,22 unequal: No Solution Exploring Operation: 34-15=19, Resulting Numbers: [19] 19,22 unequal: No Solution Exploring Operation: 34+15=49, Resulting Numbers: [49] 49,22 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 22:[34, 45], Operations: ['67-33=34', '15+30=45'] Exploring Operation: 34+45=79, Resulting Numbers: [79] 79,22 unequal: No Solution Exploring Operation: 45-34=11, Resulting Numbers: [11] 11,22 unequal: No Solution Exploring Operation: 34*45=1530, Resulting Numbers: [1530] 1530,22 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 22:[15, 33, 37], Operations: ['67-30=37'] Exploring Operation: 15+37=52, Resulting Numbers: [33, 52] Generated Node #0,3,0: 22:[33, 52] Operation: 15+37=52 Exploring Operation: 33-15=18, Resulting Numbers: [37, 18] Generated Node #0,3,1: 22:[37, 18] Operation: 33-15=18 Exploring Operation: 37-33=4, Resulting Numbers: [15, 4] Generated Node #0,3,2: 22:[15, 4] Operation: 37-33=4 Exploring Operation: 15+33=48, Resulting Numbers: [37, 48] Generated Node #0,3,3: 22:[37, 48] Operation: 15+33=48 Exploring Operation: 37-15=22, Resulting Numbers: [33, 22] Generated Node #0,3,4: 22:[33, 22] Operation: 37-15=22 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 22:[15, 4], Operations: ['67-30=37', '37-33=4'] Exploring Operation: 15-4=11, Resulting Numbers: [11] 11,22 unequal: No Solution Exploring Operation: 15+4=19, Resulting Numbers: [19] 19,22 unequal: No Solution Exploring Operation: 15*4=60, Resulting Numbers: [60] 60,22 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 22:[33, 22], Operations: ['67-30=37', '37-15=22'] Exploring Operation: 33-22=11, Resulting Numbers: [11] 11,22 unequal: No Solution Exploring Operation: 33+22=55, Resulting Numbers: [55] 55,22 unequal: No Solution Exploring Operation: 33*22=726, Resulting Numbers: [726] 726,22 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 22:[37, 18], Operations: ['67-30=37', '33-15=18'] Exploring Operation: 37-18=19, Resulting Numbers: [19] 19,22 unequal: No Solution Exploring Operation: 37+18=55, Resulting Numbers: [55] 55,22 unequal: No Solution Exploring Operation: 37*18=666, Resulting Numbers: [666] 666,22 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 22:[33, 52], Operations: ['67-30=37', '15+37=52'] Exploring Operation: 33*52=1716, Resulting Numbers: [1716] 1716,22 unequal: No Solution Exploring Operation: 52-33=19, Resulting Numbers: [19] 19,22 unequal: No Solution Exploring Operation: 33+52=85, Resulting Numbers: [85] 85,22 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 22:[37, 48], Operations: ['67-30=37', '15+33=48'] Exploring Operation: 48-37=11, Resulting Numbers: [11] 11,22 unequal: No Solution Exploring Operation: 37*48=1776, Resulting Numbers: [1776] 1776,22 unequal: No Solution Exploring Operation: 37+48=85, Resulting Numbers: [85] 85,22 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 22:[30, 33, 52], Operations: ['67-15=52'] Exploring Operation: 52-33=19, Resulting Numbers: [30, 19] Generated Node #0,4,0: 22:[30, 19] Operation: 52-33=19 Exploring Operation: 30+33=63, Resulting Numbers: [52, 63] Generated Node #0,4,1: 22:[52, 63] Operation: 30+33=63 Exploring Operation: 52-30=22, Resulting Numbers: [33, 22] Generated Node #0,4,2: 22:[33, 22] Operation: 52-30=22 Exploring Operation: 30+52=82, Resulting Numbers: [33, 82] Generated Node #0,4,3: 22:[33, 82] Operation: 30+52=82 Exploring Operation: 33-30=3, Resulting Numbers: [52, 3] Generated Node #0,4,4: 22:[52, 3] Operation: 33-30=3 Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 22:[30, 19], Operations: ['67-15=52', '52-33=19'] Exploring Operation: 30+19=49, Resulting Numbers: [49] 49,22 unequal: No Solution Exploring Operation: 30*19=570, Resulting Numbers: [570] 570,22 unequal: No Solution Exploring Operation: 30-19=11, Resulting Numbers: [11] 11,22 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 22:[33, 22], Operations: ['67-15=52', '52-30=22'] Exploring Operation: 33+22=55, Resulting Numbers: [55] 55,22 unequal: No Solution Exploring Operation: 33*22=726, Resulting Numbers: [726] 726,22 unequal: No Solution Exploring Operation: 33-22=11, Resulting Numbers: [11] 11,22 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 22:[52, 3], Operations: ['67-15=52', '33-30=3'] Exploring Operation: 52*3=156, Resulting Numbers: [156] 156,22 unequal: No Solution Exploring Operation: 52+3=55, Resulting Numbers: [55] 55,22 unequal: No Solution Exploring Operation: 52-3=49, Resulting Numbers: [49] 49,22 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 22:[52, 63], Operations: ['67-15=52', '30+33=63'] Exploring Operation: 52*63=3276, Resulting Numbers: [3276] 3276,22 unequal: No Solution Exploring Operation: 63-52=11, Resulting Numbers: [11] 11,22 unequal: No Solution Exploring Operation: 52+63=115, Resulting Numbers: [115] 115,22 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 22:[33, 82], Operations: ['67-15=52', '30+52=82'] Exploring Operation: 82-33=49, Resulting Numbers: [49] 49,22 unequal: No Solution Exploring Operation: 33*82=2706, Resulting Numbers: [2706] 2706,22 unequal: No Solution Exploring Operation: 33+82=115, Resulting Numbers: [115] 115,22 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 22:[15, 67, 3], Operations: ['33-30=3'] Exploring Operation: 67-15=52, Resulting Numbers: [3, 52] Generated Node #0,1,0: 22:[3, 52] Operation: 67-15=52 Exploring Operation: 15+3=18, Resulting Numbers: [67, 18] Generated Node #0,1,1: 22:[67, 18] Operation: 15+3=18 Exploring Operation: 15-3=12, Resulting Numbers: [67, 12] Generated Node #0,1,2: 22:[67, 12] Operation: 15-3=12 Exploring Operation: 15/3=5, Resulting Numbers: [67, 5] Generated Node #0,1,3: 22:[67, 5] Operation: 15/3=5 Exploring Operation: 67-3=64, Resulting Numbers: [15, 64] Generated Node #0,1,4: 22:[15, 64] Operation: 67-3=64 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 22:[3, 52], Operations: ['33-30=3', '67-15=52'] Exploring Operation: 3*52=156, Resulting Numbers: [156] 156,22 unequal: No Solution Exploring Operation: 3+52=55, Resulting Numbers: [55] 55,22 unequal: No Solution Exploring Operation: 52-3=49, Resulting Numbers: [49] 49,22 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 22:[67, 12], Operations: ['33-30=3', '15-3=12'] Exploring Operation: 67+12=79, Resulting Numbers: [79] 79,22 unequal: No Solution Exploring Operation: 67-12=55, Resulting Numbers: [55] 55,22 unequal: No Solution Exploring Operation: 67*12=804, Resulting Numbers: [804] 804,22 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 22:[15, 64], Operations: ['33-30=3', '67-3=64'] Exploring Operation: 15+64=79, Resulting Numbers: [79] 79,22 unequal: No Solution Exploring Operation: 64-15=49, Resulting Numbers: [49] 49,22 unequal: No Solution Exploring Operation: 15*64=960, Resulting Numbers: [960] 960,22 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 22:[67, 5], Operations: ['33-30=3', '15/3=5'] Exploring Operation: 67*5=335, Resulting Numbers: [335] 335,22 unequal: No Solution Exploring Operation: 67+5=72, Resulting Numbers: [72] 72,22 unequal: No Solution Exploring Operation: 67-5=62, Resulting Numbers: [62] 62,22 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 22:[67, 18], Operations: ['33-30=3', '15+3=18'] Exploring Operation: 67*18=1206, Resulting Numbers: [1206] 1206,22 unequal: No Solution Exploring Operation: 67-18=49, Resulting Numbers: [49] 49,22 unequal: No Solution Exploring Operation: 67+18=85, Resulting Numbers: [85] 85,22 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 22:[67, 33, 2], Operations: ['30/15=2'] Exploring Operation: 33-2=31, Resulting Numbers: [67, 31] Generated Node #0,2,0: 22:[67, 31] Operation: 33-2=31 Exploring Operation: 67+2=69, Resulting Numbers: [33, 69] Generated Node #0,2,1: 22:[33, 69] Operation: 67+2=69 Exploring Operation: 33+2=35, Resulting Numbers: [67, 35] Generated Node #0,2,2: 22:[67, 35] Operation: 33+2=35 Exploring Operation: 67-2=65, Resulting Numbers: [33, 65] Generated Node #0,2,3: 22:[33, 65] Operation: 67-2=65 Exploring Operation: 67-33=34, Resulting Numbers: [2, 34] Generated Node #0,2,4: 22:[2, 34] Operation: 67-33=34 Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 22:[2, 34], Operations: ['30/15=2', '67-33=34'] Exploring Operation: 2+34=36, Resulting Numbers: [36] 36,22 unequal: No Solution Exploring Operation: 2*34=68, Resulting Numbers: [68] 68,22 unequal: No Solution Exploring Operation: 34/2=17, Resulting Numbers: [17] 17,22 unequal: No Solution Exploring Operation: 34-2=32, Resulting Numbers: [32] 32,22 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 22:[67, 31], Operations: ['30/15=2', '33-2=31'] Exploring Operation: 67*31=2077, Resulting Numbers: [2077] 2077,22 unequal: No Solution Exploring Operation: 67+31=98, Resulting Numbers: [98] 98,22 unequal: No Solution Exploring Operation: 67-31=36, Resulting Numbers: [36] 36,22 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 22:[33, 65], Operations: ['30/15=2', '67-2=65'] Exploring Operation: 65-33=32, Resulting Numbers: [32] 32,22 unequal: No Solution Exploring Operation: 33+65=98, Resulting Numbers: [98] 98,22 unequal: No Solution Exploring Operation: 33*65=2145, Resulting Numbers: [2145] 2145,22 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 22:[33, 69], Operations: ['30/15=2', '67+2=69'] Exploring Operation: 33+69=102, Resulting Numbers: [102] 102,22 unequal: No Solution Exploring Operation: 69-33=36, Resulting Numbers: [36] 36,22 unequal: No Solution Exploring Operation: 33*69=2277, Resulting Numbers: [2277] 2277,22 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 22:[67, 35], Operations: ['30/15=2', '33+2=35'] Exploring Operation: 67*35=2345, Resulting Numbers: [2345] 2345,22 unequal: No Solution Exploring Operation: 67+35=102, Resulting Numbers: [102] 102,22 unequal: No Solution Exploring Operation: 67-35=32, Resulting Numbers: [32] 32,22 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
sum_heuristic
[ 23, 92, 7, 51 ]
71
[ "23+92=115", "51-7=44", "115-44=71" ]
Current State: 71:[23, 92, 7, 51], Operations: [] Exploring Operation: 23+92=115, Resulting Numbers: [7, 51, 115] Generated Node #2: [7, 51, 115] from Operation: 23+92=115 Current State: 71:[7, 51, 115], Operations: ['23+92=115'] Exploring Operation: 51-7=44, Resulting Numbers: [115, 44] Generated Node #3: [115, 44] from Operation: 51-7=44 Current State: 71:[115, 44], Operations: ['23+92=115', '51-7=44'] Exploring Operation: 115-44=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
4
Current State: 71:[23, 92, 7, 51], Operations: [] Exploring Operation: 92-7=85, Resulting Numbers: [23, 51, 85] Generated Node #0,0: 71:[23, 51, 85] Operation: 92-7=85 Exploring Operation: 23+7=30, Resulting Numbers: [92, 51, 30] Generated Node #0,1: 71:[92, 51, 30] Operation: 23+7=30 Exploring Operation: 7+51=58, Resulting Numbers: [23, 92, 58] Generated Node #0,2: 71:[23, 92, 58] Operation: 7+51=58 Start Sub Search at level 1: Moving to Node #0,0 Current State: 71:[23, 51, 85], Operations: ['92-7=85'] Exploring Operation: 23+51=74, Resulting Numbers: [85, 74] Generated Node #0,0,0: 71:[85, 74] Operation: 23+51=74 Exploring Operation: 85-23=62, Resulting Numbers: [51, 62] Generated Node #0,0,1: 71:[51, 62] Operation: 85-23=62 Exploring Operation: 51-23=28, Resulting Numbers: [85, 28] Generated Node #0,0,2: 71:[85, 28] Operation: 51-23=28 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 71:[85, 74], Operations: ['92-7=85', '23+51=74'] Exploring Operation: 85+74=159, Resulting Numbers: [159] 159,71 unequal: No Solution Exploring Operation: 85*74=6290, Resulting Numbers: [6290] 6290,71 unequal: No Solution Exploring Operation: 85-74=11, Resulting Numbers: [11] 11,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 71:[51, 62], Operations: ['92-7=85', '85-23=62'] Exploring Operation: 62-51=11, Resulting Numbers: [11] 11,71 unequal: No Solution Exploring Operation: 51+62=113, Resulting Numbers: [113] 113,71 unequal: No Solution Exploring Operation: 51*62=3162, Resulting Numbers: [3162] 3162,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 71:[85, 28], Operations: ['92-7=85', '51-23=28'] Exploring Operation: 85-28=57, Resulting Numbers: [57] 57,71 unequal: No Solution Exploring Operation: 85+28=113, Resulting Numbers: [113] 113,71 unequal: No Solution Exploring Operation: 85*28=2380, Resulting Numbers: [2380] 2380,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 71:[92, 51, 30], Operations: ['23+7=30'] Exploring Operation: 92-51=41, Resulting Numbers: [30, 41] Generated Node #0,1,0: 71:[30, 41] Operation: 92-51=41 Exploring Operation: 51+30=81, Resulting Numbers: [92, 81] Generated Node #0,1,1: 71:[92, 81] Operation: 51+30=81 Exploring Operation: 92-30=62, Resulting Numbers: [51, 62] Generated Node #0,1,2: 71:[51, 62] Operation: 92-30=62 Moving to Node #0,1,2 Current State: 71:[51, 62], Operations: ['23+7=30', '92-30=62'] Exploring Operation: 51*62=3162, Resulting Numbers: [3162] 3162,71 unequal: No Solution Exploring Operation: 62-51=11, Resulting Numbers: [11] 11,71 unequal: No Solution Exploring Operation: 51+62=113, Resulting Numbers: [113] 113,71 unequal: No Solution Moving to Node #0,1,1 Current State: 71:[92, 81], Operations: ['23+7=30', '51+30=81'] Exploring Operation: 92+81=173, Resulting Numbers: [173] 173,71 unequal: No Solution Exploring Operation: 92*81=7452, Resulting Numbers: [7452] 7452,71 unequal: No Solution Exploring Operation: 92-81=11, Resulting Numbers: [11] 11,71 unequal: No Solution Moving to Node #0,1,0 Current State: 71:[30, 41], Operations: ['23+7=30', '92-51=41'] Exploring Operation: 41-30=11, Resulting Numbers: [11] 11,71 unequal: No Solution Exploring Operation: 30*41=1230, Resulting Numbers: [1230] 1230,71 unequal: No Solution Exploring Operation: 30+41=71, Resulting Numbers: [71] 71,71 equal: Goal Reached Moving to Node #0 Current State: 71:[23, 92, 7, 51], Operations: [] Exploring Operation: 23+7=30, Resulting Numbers: [92, 51, 30] Generated Node #0,1: 71:[92, 51, 30] Operation: 23+7=30 Moving to Node #0,1 Current State: 71:[92, 51, 30], Operations: ['23+7=30'] Exploring Operation: 92-51=41, Resulting Numbers: [30, 41] Generated Node #0,1,0: 71:[30, 41] Operation: 92-51=41 Moving to Node #0,1,0 Current State: 71:[30, 41], Operations: ['23+7=30', '92-51=41'] Exploring Operation: 30+41=71, Resulting Numbers: [71] 71,71 equal: Goal Reached Exit Sub Search at level 1
0.97309
hs_3
sum_heuristic
[ 27, 37, 29, 75 ]
36
[ "37-27=10", "75-29=46", "46-10=36" ]
Current State: 36:[27, 37, 29, 75], Operations: [] Exploring Operation: 37-27=10, Resulting Numbers: [29, 75, 10] Generated Node #2: [29, 75, 10] from Operation: 37-27=10 Current State: 36:[29, 75, 10], Operations: ['37-27=10'] Exploring Operation: 75-29=46, Resulting Numbers: [10, 46] Generated Node #3: [10, 46] from Operation: 75-29=46 Current State: 36:[10, 46], Operations: ['37-27=10', '75-29=46'] Exploring Operation: 46-10=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
4
Current State: 36:[27, 37, 29, 75], Operations: [] Exploring Operation: 75-37=38, Resulting Numbers: [27, 29, 38] Generated Node #0,0: 36:[27, 29, 38] Operation: 75-37=38 Moving to Node #0,0 Current State: 36:[27, 29, 38], Operations: ['75-37=38'] Exploring Operation: 29-27=2, Resulting Numbers: [38, 2] Generated Node #0,0,0: 36:[38, 2] Operation: 29-27=2 Moving to Node #0,0,0 Current State: 36:[38, 2], Operations: ['75-37=38', '29-27=2'] Exploring Operation: 38-2=36, Resulting Numbers: [36] 36,36 equal: Goal Reached Moving to Node #0 Current State: 36:[27, 37, 29, 75], Operations: [] Exploring Operation: 75-37=38, Resulting Numbers: [27, 29, 38] Generated Node #0,0: 36:[27, 29, 38] Operation: 75-37=38 Moving to Node #0,0 Current State: 36:[27, 29, 38], Operations: ['75-37=38'] Exploring Operation: 29-27=2, Resulting Numbers: [38, 2] Generated Node #0,0,0: 36:[38, 2] Operation: 29-27=2 Moving to Node #0,0,0 Current State: 36:[38, 2], Operations: ['75-37=38', '29-27=2'] Exploring Operation: 38-2=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
0.993924
hs_1
sum_heuristic
[ 89, 24, 11, 95 ]
42
[ "95-89=6", "11*6=66", "66-24=42" ]
Current State: 42:[89, 24, 11, 95], Operations: [] Exploring Operation: 95-89=6, Resulting Numbers: [24, 11, 6] Generated Node #2: [24, 11, 6] from Operation: 95-89=6 Current State: 42:[24, 11, 6], Operations: ['95-89=6'] Exploring Operation: 11*6=66, Resulting Numbers: [24, 66] Generated Node #3: [24, 66] from Operation: 11*6=66 Current State: 42:[24, 66], Operations: ['95-89=6', '11*6=66'] Exploring Operation: 66-24=42, Resulting Numbers: [42] 42,42 equal: Goal Reached
4
Current State: 42:[89, 24, 11, 95], Operations: [] Exploring Operation: 89-24=65, Resulting Numbers: [11, 95, 65] Generated Node #0,0: 42:[11, 95, 65] Operation: 89-24=65 Exploring Operation: 95-89=6, Resulting Numbers: [24, 11, 6] Generated Node #0,1: 42:[24, 11, 6] Operation: 95-89=6 Start Sub Search at level 1: Moving to Node #0,1 Current State: 42:[24, 11, 6], Operations: ['95-89=6'] Exploring Operation: 24-11=13, Resulting Numbers: [6, 13] Generated Node #0,1,0: 42:[6, 13] Operation: 24-11=13 Exploring Operation: 24/6=4, Resulting Numbers: [11, 4] Generated Node #0,1,1: 42:[11, 4] Operation: 24/6=4 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 42:[6, 13], Operations: ['95-89=6', '24-11=13'] Exploring Operation: 13-6=7, Resulting Numbers: [7] 7,42 unequal: No Solution Exploring Operation: 6+13=19, Resulting Numbers: [19] 19,42 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 42:[11, 4], Operations: ['95-89=6', '24/6=4'] Exploring Operation: 11+4=15, Resulting Numbers: [15] 15,42 unequal: No Solution Exploring Operation: 11-4=7, Resulting Numbers: [7] 7,42 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 42:[11, 95, 65], Operations: ['89-24=65'] Exploring Operation: 95-11=84, Resulting Numbers: [65, 84] Generated Node #0,0,0: 42:[65, 84] Operation: 95-11=84 Exploring Operation: 95-65=30, Resulting Numbers: [11, 30] Generated Node #0,0,1: 42:[11, 30] Operation: 95-65=30 Moving to Node #0,0,1 Current State: 42:[11, 30], Operations: ['89-24=65', '95-65=30'] Exploring Operation: 30-11=19, Resulting Numbers: [19] 19,42 unequal: No Solution Exploring Operation: 11+30=41, Resulting Numbers: [41] 41,42 unequal: No Solution Moving to Node #0,0,0 Current State: 42:[65, 84], Operations: ['89-24=65', '95-11=84'] Exploring Operation: 65+84=149, Resulting Numbers: [149] 149,42 unequal: No Solution Exploring Operation: 84-65=19, Resulting Numbers: [19] 19,42 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 10, 75, 7, 8 ]
29
[ "10+75=85", "7*8=56", "85-56=29" ]
Current State: 29:[10, 75, 7, 8], Operations: [] Exploring Operation: 10+75=85, Resulting Numbers: [7, 8, 85] Generated Node #2: [7, 8, 85] from Operation: 10+75=85 Current State: 29:[7, 8, 85], Operations: ['10+75=85'] Exploring Operation: 7*8=56, Resulting Numbers: [85, 56] Generated Node #3: [85, 56] from Operation: 7*8=56 Current State: 29:[85, 56], Operations: ['10+75=85', '7*8=56'] Exploring Operation: 85-56=29, Resulting Numbers: [29] 29,29 equal: Goal Reached
4
Current State: 29:[10, 75, 7, 8], Operations: [] Exploring Operation: 10+7=17, Resulting Numbers: [75, 8, 17] Generated Node #0,0: 29:[75, 8, 17] Operation: 10+7=17 Exploring Operation: 75-10=65, Resulting Numbers: [7, 8, 65] Generated Node #0,1: 29:[7, 8, 65] Operation: 75-10=65 Start Sub Search at level 1: Moving to Node #0,0 Current State: 29:[75, 8, 17], Operations: ['10+7=17'] Exploring Operation: 75-17=58, Resulting Numbers: [8, 58] Generated Node #0,0,0: 29:[8, 58] Operation: 75-17=58 Exploring Operation: 75-8=67, Resulting Numbers: [17, 67] Generated Node #0,0,1: 29:[17, 67] Operation: 75-8=67 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 29:[8, 58], Operations: ['10+7=17', '75-17=58'] Exploring Operation: 8+58=66, Resulting Numbers: [66] 66,29 unequal: No Solution Exploring Operation: 58-8=50, Resulting Numbers: [50] 50,29 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 29:[17, 67], Operations: ['10+7=17', '75-8=67'] Exploring Operation: 67-17=50, Resulting Numbers: [50] 50,29 unequal: No Solution Exploring Operation: 17+67=84, Resulting Numbers: [84] 84,29 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 29:[7, 8, 65], Operations: ['75-10=65'] Exploring Operation: 7+8=15, Resulting Numbers: [65, 15] Generated Node #0,1,0: 29:[65, 15] Operation: 7+8=15 Exploring Operation: 65-7=58, Resulting Numbers: [8, 58] Generated Node #0,1,1: 29:[8, 58] Operation: 65-7=58 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 29:[65, 15], Operations: ['75-10=65', '7+8=15'] Exploring Operation: 65+15=80, Resulting Numbers: [80] 80,29 unequal: No Solution Exploring Operation: 65-15=50, Resulting Numbers: [50] 50,29 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 #0,1,1 Current State: 29:[8, 58], Operations: ['75-10=65', '65-7=58'] Exploring Operation: 8+58=66, Resulting Numbers: [66] 66,29 unequal: No Solution Exploring Operation: 58-8=50, Resulting Numbers: [50] 50,29 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 93, 91, 72, 28 ]
58
[ "93-91=2", "28/2=14", "72-14=58" ]
Current State: 58:[93, 91, 72, 28], Operations: [] Exploring Operation: 93-91=2, Resulting Numbers: [72, 28, 2] Generated Node #2: [72, 28, 2] from Operation: 93-91=2 Current State: 58:[72, 28, 2], Operations: ['93-91=2'] Exploring Operation: 28/2=14, Resulting Numbers: [72, 14] Generated Node #3: [72, 14] from Operation: 28/2=14 Current State: 58:[72, 14], Operations: ['93-91=2', '28/2=14'] Exploring Operation: 72-14=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[93, 91, 72, 28], Operations: [] Exploring Operation: 93-72=21, Resulting Numbers: [91, 28, 21] Generated Node #0,0: 58:[91, 28, 21] Operation: 93-72=21 Exploring Operation: 91-72=19, Resulting Numbers: [93, 28, 19] Generated Node #0,1: 58:[93, 28, 19] Operation: 91-72=19 Exploring Operation: 93-91=2, Resulting Numbers: [72, 28, 2] Generated Node #0,2: 58:[72, 28, 2] Operation: 93-91=2 Start Sub Search at level 1: Moving to Node #0,2 Current State: 58:[72, 28, 2], Operations: ['93-91=2'] Exploring Operation: 72-28=44, Resulting Numbers: [2, 44] Generated Node #0,2,0: 58:[2, 44] Operation: 72-28=44 Exploring Operation: 72/2=36, Resulting Numbers: [28, 36] Generated Node #0,2,1: 58:[28, 36] Operation: 72/2=36 Exploring Operation: 72-2=70, Resulting Numbers: [28, 70] Generated Node #0,2,2: 58:[28, 70] Operation: 72-2=70 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 58:[28, 36], Operations: ['93-91=2', '72/2=36'] Exploring Operation: 36-28=8, Resulting Numbers: [8] 8,58 unequal: No Solution Exploring Operation: 28*36=1008, Resulting Numbers: [1008] 1008,58 unequal: No Solution Exploring Operation: 28+36=64, Resulting Numbers: [64] 64,58 unequal: No Solution No 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: 58:[28, 70], Operations: ['93-91=2', '72-2=70'] Exploring Operation: 28*70=1960, Resulting Numbers: [1960] 1960,58 unequal: No Solution Exploring Operation: 70-28=42, Resulting Numbers: [42] 42,58 unequal: No Solution Exploring Operation: 28+70=98, Resulting Numbers: [98] 98,58 unequal: No Solution No 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: 58:[2, 44], Operations: ['93-91=2', '72-28=44'] Exploring Operation: 44-2=42, Resulting Numbers: [42] 42,58 unequal: No Solution Exploring Operation: 44/2=22, Resulting Numbers: [22] 22,58 unequal: No Solution Exploring Operation: 2+44=46, Resulting Numbers: [46] 46,58 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: 58:[91, 28, 21], Operations: ['93-72=21'] Exploring Operation: 91-28=63, Resulting Numbers: [21, 63] Generated Node #0,0,0: 58:[21, 63] Operation: 91-28=63 Exploring Operation: 91-21=70, Resulting Numbers: [28, 70] Generated Node #0,0,1: 58:[28, 70] Operation: 91-21=70 Exploring Operation: 28-21=7, Resulting Numbers: [91, 7] Generated Node #0,0,2: 58:[91, 7] Operation: 28-21=7 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 58:[21, 63], Operations: ['93-72=21', '91-28=63'] Exploring Operation: 21+63=84, Resulting Numbers: [84] 84,58 unequal: No Solution Exploring Operation: 63-21=42, Resulting Numbers: [42] 42,58 unequal: No Solution Exploring Operation: 63/21=3, Resulting Numbers: [3] 3,58 unequal: No Solution No 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: 58:[28, 70], Operations: ['93-72=21', '91-21=70'] Exploring Operation: 70-28=42, Resulting Numbers: [42] 42,58 unequal: No Solution Exploring Operation: 28*70=1960, Resulting Numbers: [1960] 1960,58 unequal: No Solution Exploring Operation: 28+70=98, Resulting Numbers: [98] 98,58 unequal: No Solution No 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: 58:[91, 7], Operations: ['93-72=21', '28-21=7'] Exploring Operation: 91+7=98, Resulting Numbers: [98] 98,58 unequal: No Solution Exploring Operation: 91-7=84, Resulting Numbers: [84] 84,58 unequal: No Solution Exploring Operation: 91/7=13, Resulting Numbers: [13] 13,58 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: 58:[93, 28, 19], Operations: ['91-72=19'] Exploring Operation: 93-19=74, Resulting Numbers: [28, 74] Generated Node #0,1,0: 58:[28, 74] Operation: 93-19=74 Exploring Operation: 28-19=9, Resulting Numbers: [93, 9] Generated Node #0,1,1: 58:[93, 9] Operation: 28-19=9 Exploring Operation: 93-28=65, Resulting Numbers: [19, 65] Generated Node #0,1,2: 58:[19, 65] Operation: 93-28=65 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 58:[28, 74], Operations: ['91-72=19', '93-19=74'] Exploring Operation: 28*74=2072, Resulting Numbers: [2072] 2072,58 unequal: No Solution Exploring Operation: 74-28=46, Resulting Numbers: [46] 46,58 unequal: No Solution Exploring Operation: 28+74=102, Resulting Numbers: [102] 102,58 unequal: No Solution No 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: 58:[19, 65], Operations: ['91-72=19', '93-28=65'] Exploring Operation: 65-19=46, Resulting Numbers: [46] 46,58 unequal: No Solution Exploring Operation: 19*65=1235, Resulting Numbers: [1235] 1235,58 unequal: No Solution Exploring Operation: 19+65=84, Resulting Numbers: [84] 84,58 unequal: No Solution No 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: 58:[93, 9], Operations: ['91-72=19', '28-19=9'] Exploring Operation: 93-9=84, Resulting Numbers: [84] 84,58 unequal: No Solution Exploring Operation: 93+9=102, Resulting Numbers: [102] 102,58 unequal: No Solution Exploring Operation: 93*9=837, Resulting Numbers: [837] 837,58 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
[ 99, 20, 45, 10 ]
66
[ "20+10=30", "99*30=2970", "2970/45=66" ]
Current State: 66:[99, 20, 45, 10], Operations: [] Exploring Operation: 20+10=30, Resulting Numbers: [99, 45, 30] Generated Node #2: [99, 45, 30] from Operation: 20+10=30 Current State: 66:[99, 45, 30], Operations: ['20+10=30'] Exploring Operation: 99*30=2970, Resulting Numbers: [45, 2970] Generated Node #3: [45, 2970] from Operation: 99*30=2970 Current State: 66:[45, 2970], Operations: ['20+10=30', '99*30=2970'] Exploring Operation: 2970/45=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
4
Current State: 66:[99, 20, 45, 10], Operations: [] Exploring Operation: 99-45=54, Resulting Numbers: [20, 10, 54] Generated Node #0,0: 66:[20, 10, 54] Operation: 99-45=54 Moving to Node #0,0 Current State: 66:[20, 10, 54], Operations: ['99-45=54'] Exploring Operation: 54-20=34, Resulting Numbers: [10, 34] Generated Node #0,0,0: 66:[10, 34] Operation: 54-20=34 Moving to Node #0,0,0 Current State: 66:[10, 34], Operations: ['99-45=54', '54-20=34'] Exploring Operation: 34-10=24, Resulting Numbers: [24] 24,66 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 73, 18, 58, 11 ]
71
[ "18+11=29", "58/29=2", "73-2=71" ]
Current State: 71:[73, 18, 58, 11], Operations: [] Exploring Operation: 18+11=29, Resulting Numbers: [73, 58, 29] Generated Node #2: [73, 58, 29] from Operation: 18+11=29 Current State: 71:[73, 58, 29], Operations: ['18+11=29'] Exploring Operation: 58/29=2, Resulting Numbers: [73, 2] Generated Node #3: [73, 2] from Operation: 58/29=2 Current State: 71:[73, 2], Operations: ['18+11=29', '58/29=2'] Exploring Operation: 73-2=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
4
Current State: 71:[73, 18, 58, 11], Operations: [] Exploring Operation: 58+11=69, Resulting Numbers: [73, 18, 69] Generated Node #0,0: 71:[73, 18, 69] Operation: 58+11=69 Exploring Operation: 18+11=29, Resulting Numbers: [73, 58, 29] Generated Node #0,1: 71:[73, 58, 29] Operation: 18+11=29 Exploring Operation: 18+58=76, Resulting Numbers: [73, 11, 76] Generated Node #0,2: 71:[73, 11, 76] Operation: 18+58=76 Exploring Operation: 73+11=84, Resulting Numbers: [18, 58, 84] Generated Node #0,3: 71:[18, 58, 84] Operation: 73+11=84 Exploring Operation: 73-11=62, Resulting Numbers: [18, 58, 62] Generated Node #0,4: 71:[18, 58, 62] Operation: 73-11=62 Moving to Node #0,0 Current State: 71:[73, 18, 69], Operations: ['58+11=69'] Exploring Operation: 18+69=87, Resulting Numbers: [73, 87] Generated Node #0,0,0: 71:[73, 87] Operation: 18+69=87 Exploring Operation: 73+18=91, Resulting Numbers: [69, 91] Generated Node #0,0,1: 71:[69, 91] Operation: 73+18=91 Exploring Operation: 73-69=4, Resulting Numbers: [18, 4] Generated Node #0,0,2: 71:[18, 4] Operation: 73-69=4 Exploring Operation: 73-18=55, Resulting Numbers: [69, 55] Generated Node #0,0,3: 71:[69, 55] Operation: 73-18=55 Exploring Operation: 69-18=51, Resulting Numbers: [73, 51] Generated Node #0,0,4: 71:[73, 51] Operation: 69-18=51 Moving to Node #0,1 Current State: 71:[73, 58, 29], Operations: ['18+11=29'] Exploring Operation: 73-29=44, Resulting Numbers: [58, 44] Generated Node #0,1,0: 71:[58, 44] Operation: 73-29=44 Exploring Operation: 58+29=87, Resulting Numbers: [73, 87] Generated Node #0,1,1: 71:[73, 87] Operation: 58+29=87 Exploring Operation: 73+29=102, Resulting Numbers: [58, 102] Generated Node #0,1,2: 71:[58, 102] Operation: 73+29=102 Exploring Operation: 58-29=29, Resulting Numbers: [73, 29] Generated Node #0,1,3: 71:[73, 29] Operation: 58-29=29 Exploring Operation: 58/29=2, Resulting Numbers: [73, 2] Generated Node #0,1,4: 71:[73, 2] Operation: 58/29=2 Moving to Node #0,2 Current State: 71:[73, 11, 76], Operations: ['18+58=76'] Exploring Operation: 76-11=65, Resulting Numbers: [73, 65] Generated Node #0,2,0: 71:[73, 65] Operation: 76-11=65 Exploring Operation: 73-11=62, Resulting Numbers: [76, 62] Generated Node #0,2,1: 71:[76, 62] Operation: 73-11=62 Exploring Operation: 76-73=3, Resulting Numbers: [11, 3] Generated Node #0,2,2: 71:[11, 3] Operation: 76-73=3 Exploring Operation: 73+11=84, Resulting Numbers: [76, 84] Generated Node #0,2,3: 71:[76, 84] Operation: 73+11=84 Exploring Operation: 11+76=87, Resulting Numbers: [73, 87] Generated Node #0,2,4: 71:[73, 87] Operation: 11+76=87 Moving to Node #0,4 Current State: 71:[18, 58, 62], Operations: ['73-11=62'] Exploring Operation: 18+62=80, Resulting Numbers: [58, 80] Generated Node #0,4,0: 71:[58, 80] Operation: 18+62=80 Exploring Operation: 58+62=120, Resulting Numbers: [18, 120] Generated Node #0,4,1: 71:[18, 120] Operation: 58+62=120 Exploring Operation: 62-18=44, Resulting Numbers: [58, 44] Generated Node #0,4,2: 71:[58, 44] Operation: 62-18=44 Exploring Operation: 18+58=76, Resulting Numbers: [62, 76] Generated Node #0,4,3: 71:[62, 76] Operation: 18+58=76 Exploring Operation: 58-18=40, Resulting Numbers: [62, 40] Generated Node #0,4,4: 71:[62, 40] Operation: 58-18=40 Moving to Node #0,3 Current State: 71:[18, 58, 84], Operations: ['73+11=84'] Exploring Operation: 84-58=26, Resulting Numbers: [18, 26] Generated Node #0,3,0: 71:[18, 26] Operation: 84-58=26 Exploring Operation: 58-18=40, Resulting Numbers: [84, 40] Generated Node #0,3,1: 71:[84, 40] Operation: 58-18=40 Exploring Operation: 18+58=76, Resulting Numbers: [84, 76] Generated Node #0,3,2: 71:[84, 76] Operation: 18+58=76 Exploring Operation: 84-18=66, Resulting Numbers: [58, 66] Generated Node #0,3,3: 71:[58, 66] Operation: 84-18=66 Exploring Operation: 18+84=102, Resulting Numbers: [58, 102] Generated Node #0,3,4: 71:[58, 102] Operation: 18+84=102 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 71:[84, 76], Operations: ['73+11=84', '18+58=76'] Exploring Operation: 84*76=6384, Resulting Numbers: [6384] 6384,71 unequal: No Solution Exploring Operation: 84+76=160, Resulting Numbers: [160] 160,71 unequal: No Solution Exploring Operation: 84-76=8, Resulting Numbers: [8] 8,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 71:[58, 66], Operations: ['73+11=84', '84-18=66'] Exploring Operation: 66-58=8, Resulting Numbers: [8] 8,71 unequal: No Solution Exploring Operation: 58+66=124, Resulting Numbers: [124] 124,71 unequal: No Solution Exploring Operation: 58*66=3828, Resulting Numbers: [3828] 3828,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 71:[84, 40], Operations: ['73+11=84', '58-18=40'] Exploring Operation: 84-40=44, Resulting Numbers: [44] 44,71 unequal: No Solution Exploring Operation: 84+40=124, Resulting Numbers: [124] 124,71 unequal: No Solution Exploring Operation: 84*40=3360, Resulting Numbers: [3360] 3360,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 71:[58, 102], Operations: ['73+11=84', '18+84=102'] Exploring Operation: 102-58=44, Resulting Numbers: [44] 44,71 unequal: No Solution Exploring Operation: 58+102=160, Resulting Numbers: [160] 160,71 unequal: No Solution Exploring Operation: 58*102=5916, Resulting Numbers: [5916] 5916,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 71:[18, 26], Operations: ['73+11=84', '84-58=26'] Exploring Operation: 18+26=44, Resulting Numbers: [44] 44,71 unequal: No Solution Exploring Operation: 18*26=468, Resulting Numbers: [468] 468,71 unequal: No Solution Exploring Operation: 26-18=8, Resulting Numbers: [8] 8,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2,0 Current State: 71:[73, 65], Operations: ['18+58=76', '76-11=65'] Exploring Operation: 73-65=8, Resulting Numbers: [8] 8,71 unequal: No Solution Exploring Operation: 73+65=138, Resulting Numbers: [138] 138,71 unequal: No Solution Exploring Operation: 73*65=4745, Resulting Numbers: [4745] 4745,71 unequal: No Solution Moving to Node #0,2,1 Current State: 71:[76, 62], Operations: ['18+58=76', '73-11=62'] Exploring Operation: 76-62=14, Resulting Numbers: [14] 14,71 unequal: No Solution Exploring Operation: 76*62=4712, Resulting Numbers: [4712] 4712,71 unequal: No Solution Exploring Operation: 76+62=138, Resulting Numbers: [138] 138,71 unequal: No Solution Moving to Node #0,4,3 Current State: 71:[62, 76], Operations: ['73-11=62', '18+58=76'] Exploring Operation: 76-62=14, Resulting Numbers: [14] 14,71 unequal: No Solution Exploring Operation: 62+76=138, Resulting Numbers: [138] 138,71 unequal: No Solution Exploring Operation: 62*76=4712, Resulting Numbers: [4712] 4712,71 unequal: No Solution Moving to Node #0,2,4 Current State: 71:[73, 87], Operations: ['18+58=76', '11+76=87'] Exploring Operation: 73*87=6351, Resulting Numbers: [6351] 6351,71 unequal: No Solution Exploring Operation: 73+87=160, Resulting Numbers: [160] 160,71 unequal: No Solution Exploring Operation: 87-73=14, Resulting Numbers: [14] 14,71 unequal: No Solution Moving to Node #0,1,1 Current State: 71:[73, 87], Operations: ['18+11=29', '58+29=87'] Exploring Operation: 73*87=6351, Resulting Numbers: [6351] 6351,71 unequal: No Solution Exploring Operation: 73+87=160, Resulting Numbers: [160] 160,71 unequal: No Solution Exploring Operation: 87-73=14, Resulting Numbers: [14] 14,71 unequal: No Solution Moving to Node #0,2,3 Current State: 71:[76, 84], Operations: ['18+58=76', '73+11=84'] Exploring Operation: 84-76=8, Resulting Numbers: [8] 8,71 unequal: No Solution Exploring Operation: 76*84=6384, Resulting Numbers: [6384] 6384,71 unequal: No Solution Exploring Operation: 76+84=160, Resulting Numbers: [160] 160,71 unequal: No Solution Moving to Node #0,0,3 Current State: 71:[69, 55], Operations: ['58+11=69', '73-18=55'] Exploring Operation: 69+55=124, Resulting Numbers: [124] 124,71 unequal: No Solution Exploring Operation: 69-55=14, Resulting Numbers: [14] 14,71 unequal: No Solution Exploring Operation: 69*55=3795, Resulting Numbers: [3795] 3795,71 unequal: No Solution Moving to Node #0,0,0 Current State: 71:[73, 87], Operations: ['58+11=69', '18+69=87'] Exploring Operation: 87-73=14, Resulting Numbers: [14] 14,71 unequal: No Solution Exploring Operation: 73+87=160, Resulting Numbers: [160] 160,71 unequal: No Solution Exploring Operation: 73*87=6351, Resulting Numbers: [6351] 6351,71 unequal: No Solution Moving to Node #0,0,1 Current State: 71:[69, 91], Operations: ['58+11=69', '73+18=91'] Exploring Operation: 69+91=160, Resulting Numbers: [160] 160,71 unequal: No Solution Exploring Operation: 91-69=22, Resulting Numbers: [22] 22,71 unequal: No Solution Exploring Operation: 69*91=6279, Resulting Numbers: [6279] 6279,71 unequal: No Solution Moving to Node #0,4,0 Current State: 71:[58, 80], Operations: ['73-11=62', '18+62=80'] Exploring Operation: 58+80=138, Resulting Numbers: [138] 138,71 unequal: No Solution Exploring Operation: 58*80=4640, Resulting Numbers: [4640] 4640,71 unequal: No Solution Exploring Operation: 80-58=22, Resulting Numbers: [22] 22,71 unequal: No Solution Moving to Node #0,0,4 Current State: 71:[73, 51], Operations: ['58+11=69', '69-18=51'] Exploring Operation: 73*51=3723, Resulting Numbers: [3723] 3723,71 unequal: No Solution Exploring Operation: 73+51=124, Resulting Numbers: [124] 124,71 unequal: No Solution Exploring Operation: 73-51=22, Resulting Numbers: [22] 22,71 unequal: No Solution Moving to Node #0,1,0 Current State: 71:[58, 44], Operations: ['18+11=29', '73-29=44'] Exploring Operation: 58+44=102, Resulting Numbers: [102] 102,71 unequal: No Solution Exploring Operation: 58*44=2552, Resulting Numbers: [2552] 2552,71 unequal: No Solution Exploring Operation: 58-44=14, Resulting Numbers: [14] 14,71 unequal: No Solution Moving to Node #0,4,4 Current State: 71:[62, 40], Operations: ['73-11=62', '58-18=40'] Exploring Operation: 62*40=2480, Resulting Numbers: [2480] 2480,71 unequal: No Solution Exploring Operation: 62+40=102, Resulting Numbers: [102] 102,71 unequal: No Solution Exploring Operation: 62-40=22, Resulting Numbers: [22] 22,71 unequal: No Solution Moving to Node #0,4,2 Current State: 71:[58, 44], Operations: ['73-11=62', '62-18=44'] Exploring Operation: 58+44=102, Resulting Numbers: [102] 102,71 unequal: No Solution Exploring Operation: 58*44=2552, Resulting Numbers: [2552] 2552,71 unequal: No Solution Exploring Operation: 58-44=14, Resulting Numbers: [14] 14,71 unequal: No Solution Moving to Node #0,1,3 Current State: 71:[73, 29], Operations: ['18+11=29', '58-29=29'] Exploring Operation: 73*29=2117, Resulting Numbers: [2117] 2117,71 unequal: No Solution Exploring Operation: 73+29=102, Resulting Numbers: [102] 102,71 unequal: No Solution Exploring Operation: 73-29=44, Resulting Numbers: [44] 44,71 unequal: No Solution Moving to Node #0,1,2 Current State: 71:[58, 102], Operations: ['18+11=29', '73+29=102'] Exploring Operation: 58*102=5916, Resulting Numbers: [5916] 5916,71 unequal: No Solution Exploring Operation: 58+102=160, Resulting Numbers: [160] 160,71 unequal: No Solution Exploring Operation: 102-58=44, Resulting Numbers: [44] 44,71 unequal: No Solution Moving to Node #0,1,4 Current State: 71:[73, 2], Operations: ['18+11=29', '58/29=2'] Exploring Operation: 73*2=146, Resulting Numbers: [146] 146,71 unequal: No Solution Exploring Operation: 73-2=71, Resulting Numbers: [71] 71,71 equal: Goal Reached Moving to Node #0 Current State: 71:[73, 18, 58, 11], Operations: [] Exploring Operation: 18+11=29, Resulting Numbers: [73, 58, 29] Generated Node #0,1: 71:[73, 58, 29] Operation: 18+11=29 Moving to Node #0,1 Current State: 71:[73, 58, 29], Operations: ['18+11=29'] Exploring Operation: 58/29=2, Resulting Numbers: [73, 2] Generated Node #0,1,4: 71:[73, 2] Operation: 58/29=2 Moving to Node #0,1,4 Current State: 71:[73, 2], Operations: ['18+11=29', '58/29=2'] Exploring Operation: 73-2=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
0.914063
hs_5
mult_heuristic
[ 91, 31, 18, 25 ]
53
[ "91-31=60", "25-18=7", "60-7=53" ]
Current State: 53:[91, 31, 18, 25], Operations: [] Exploring Operation: 91-31=60, Resulting Numbers: [18, 25, 60] Generated Node #2: [18, 25, 60] from Operation: 91-31=60 Current State: 53:[18, 25, 60], Operations: ['91-31=60'] Exploring Operation: 25-18=7, Resulting Numbers: [60, 7] Generated Node #3: [60, 7] from Operation: 25-18=7 Current State: 53:[60, 7], Operations: ['91-31=60', '25-18=7'] Exploring Operation: 60-7=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[91, 31, 18, 25], Operations: [] Exploring Operation: 91-31=60, Resulting Numbers: [18, 25, 60] Generated Node #0,0: 53:[18, 25, 60] Operation: 91-31=60 Start Sub Search at level 1: Moving to Node #0,0 Current State: 53:[18, 25, 60], Operations: ['91-31=60'] Exploring Operation: 18+25=43, Resulting Numbers: [60, 43] Generated Node #0,0,0: 53:[60, 43] Operation: 18+25=43 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 53:[60, 43], Operations: ['91-31=60', '18+25=43'] Exploring Operation: 60-43=17, Resulting Numbers: [17] 17,53 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
[ 54, 20, 61, 4 ]
99
[ "54-20=34", "61+4=65", "34+65=99" ]
Current State: 99:[54, 20, 61, 4], Operations: [] Exploring Operation: 54-20=34, Resulting Numbers: [61, 4, 34] Generated Node #2: [61, 4, 34] from Operation: 54-20=34 Current State: 99:[61, 4, 34], Operations: ['54-20=34'] Exploring Operation: 61+4=65, Resulting Numbers: [34, 65] Generated Node #3: [34, 65] from Operation: 61+4=65 Current State: 99:[34, 65], Operations: ['54-20=34', '61+4=65'] Exploring Operation: 34+65=99, Resulting Numbers: [99] 99,99 equal: Goal Reached
4
Current State: 99:[54, 20, 61, 4], Operations: [] Exploring Operation: 61-54=7, Resulting Numbers: [20, 4, 7] Generated Node #0,0: 99:[20, 4, 7] Operation: 61-54=7 Exploring Operation: 20+61=81, Resulting Numbers: [54, 4, 81] Generated Node #0,1: 99:[54, 4, 81] Operation: 20+61=81 Exploring Operation: 54+61=115, Resulting Numbers: [20, 4, 115] Generated Node #0,2: 99:[20, 4, 115] Operation: 54+61=115 Exploring Operation: 54-20=34, Resulting Numbers: [61, 4, 34] Generated Node #0,3: 99:[61, 4, 34] Operation: 54-20=34 Exploring Operation: 61-20=41, Resulting Numbers: [54, 4, 41] Generated Node #0,4: 99:[54, 4, 41] Operation: 61-20=41 Start Sub Search at level 1: Moving to Node #0,0 Current State: 99:[20, 4, 7], Operations: ['61-54=7'] Exploring Operation: 20+7=27, Resulting Numbers: [4, 27] Generated Node #0,0,0: 99:[4, 27] Operation: 20+7=27 Exploring Operation: 4+7=11, Resulting Numbers: [20, 11] Generated Node #0,0,1: 99:[20, 11] Operation: 4+7=11 Exploring Operation: 20/4=5, Resulting Numbers: [7, 5] Generated Node #0,0,2: 99:[7, 5] Operation: 20/4=5 Exploring Operation: 20-4=16, Resulting Numbers: [7, 16] Generated Node #0,0,3: 99:[7, 16] Operation: 20-4=16 Exploring Operation: 20-7=13, Resulting Numbers: [4, 13] Generated Node #0,0,4: 99:[4, 13] Operation: 20-7=13 Moving to Node #0,0,4 Current State: 99:[4, 13], Operations: ['61-54=7', '20-7=13'] Exploring Operation: 4+13=17, Resulting Numbers: [17] 17,99 unequal: No Solution Exploring Operation: 13-4=9, Resulting Numbers: [9] 9,99 unequal: No Solution Exploring Operation: 4*13=52, Resulting Numbers: [52] 52,99 unequal: No Solution Moving to Node #0,0,2 Current State: 99:[7, 5], Operations: ['61-54=7', '20/4=5'] Exploring Operation: 7*5=35, Resulting Numbers: [35] 35,99 unequal: No Solution Exploring Operation: 7+5=12, Resulting Numbers: [12] 12,99 unequal: No Solution Exploring Operation: 7-5=2, Resulting Numbers: [2] 2,99 unequal: No Solution Moving to Node #0,0,0 Current State: 99:[4, 27], Operations: ['61-54=7', '20+7=27'] Exploring Operation: 4*27=108, Resulting Numbers: [108] 108,99 unequal: No Solution Exploring Operation: 4+27=31, Resulting Numbers: [31] 31,99 unequal: No Solution Exploring Operation: 27-4=23, Resulting Numbers: [23] 23,99 unequal: No Solution Moving to Node #0,0,3 Current State: 99:[7, 16], Operations: ['61-54=7', '20-4=16'] Exploring Operation: 7*16=112, Resulting Numbers: [112] 112,99 unequal: No Solution Exploring Operation: 7+16=23, Resulting Numbers: [23] 23,99 unequal: No Solution Exploring Operation: 16-7=9, Resulting Numbers: [9] 9,99 unequal: No Solution Moving to Node #0,0,1 Current State: 99:[20, 11], Operations: ['61-54=7', '4+7=11'] Exploring Operation: 20+11=31, Resulting Numbers: [31] 31,99 unequal: No Solution Exploring Operation: 20*11=220, Resulting Numbers: [220] 220,99 unequal: No Solution Exploring Operation: 20-11=9, Resulting Numbers: [9] 9,99 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 #0,2 Current State: 99:[20, 4, 115], Operations: ['54+61=115'] Exploring Operation: 20-4=16, Resulting Numbers: [115, 16] Generated Node #0,2,0: 99:[115, 16] Operation: 20-4=16 Exploring Operation: 20/4=5, Resulting Numbers: [115, 5] Generated Node #0,2,1: 99:[115, 5] Operation: 20/4=5 Exploring Operation: 115-4=111, Resulting Numbers: [20, 111] Generated Node #0,2,2: 99:[20, 111] Operation: 115-4=111 Exploring Operation: 20+4=24, Resulting Numbers: [115, 24] Generated Node #0,2,3: 99:[115, 24] Operation: 20+4=24 Exploring Operation: 115-20=95, Resulting Numbers: [4, 95] Generated Node #0,2,4: 99:[4, 95] Operation: 115-20=95 Moving to Node #0,2,4 Current State: 99:[4, 95], Operations: ['54+61=115', '115-20=95'] Exploring Operation: 95-4=91, Resulting Numbers: [91] 91,99 unequal: No Solution Exploring Operation: 4*95=380, Resulting Numbers: [380] 380,99 unequal: No Solution Exploring Operation: 4+95=99, Resulting Numbers: [99] 99,99 equal: Goal Reached Moving to Node #0 Current State: 99:[54, 20, 61, 4], Operations: [] Exploring Operation: 54+61=115, Resulting Numbers: [20, 4, 115] Generated Node #0,2: 99:[20, 4, 115] Operation: 54+61=115 Moving to Node #0,2 Current State: 99:[20, 4, 115], Operations: ['54+61=115'] Exploring Operation: 115-20=95, Resulting Numbers: [4, 95] Generated Node #0,2,4: 99:[4, 95] Operation: 115-20=95 Moving to Node #0,2,4 Current State: 99:[4, 95], Operations: ['54+61=115', '115-20=95'] Exploring Operation: 4+95=99, Resulting Numbers: [99] 99,99 equal: Goal Reached Exit Sub Search at level 1
0.967882
hs_5
sum_heuristic
[ 74, 11, 71, 4 ]
77
[ "74-71=3", "4+3=7", "11*7=77" ]
Current State: 77:[74, 11, 71, 4], Operations: [] Exploring Operation: 74-71=3, Resulting Numbers: [11, 4, 3] Generated Node #2: [11, 4, 3] from Operation: 74-71=3 Current State: 77:[11, 4, 3], Operations: ['74-71=3'] Exploring Operation: 4+3=7, Resulting Numbers: [11, 7] Generated Node #3: [11, 7] from Operation: 4+3=7 Current State: 77:[11, 7], Operations: ['74-71=3', '4+3=7'] Exploring Operation: 11*7=77, Resulting Numbers: [77] 77,77 equal: Goal Reached
4
Current State: 77:[74, 11, 71, 4], Operations: [] Exploring Operation: 74-71=3, Resulting Numbers: [11, 4, 3] Generated Node #0,0: 77:[11, 4, 3] Operation: 74-71=3 Exploring Operation: 71+4=75, Resulting Numbers: [74, 11, 75] Generated Node #0,1: 77:[74, 11, 75] Operation: 71+4=75 Exploring Operation: 74+4=78, Resulting Numbers: [11, 71, 78] Generated Node #0,2: 77:[11, 71, 78] Operation: 74+4=78 Start Sub Search at level 1: Moving to Node #0,1 Current State: 77:[74, 11, 75], Operations: ['71+4=75'] Exploring Operation: 75-74=1, Resulting Numbers: [11, 1] Generated Node #0,1,0: 77:[11, 1] Operation: 75-74=1 Exploring Operation: 11+75=86, Resulting Numbers: [74, 86] Generated Node #0,1,1: 77:[74, 86] Operation: 11+75=86 Exploring Operation: 74+11=85, Resulting Numbers: [75, 85] Generated Node #0,1,2: 77:[75, 85] Operation: 74+11=85 Moving to Node #0,1,0 Current State: 77:[11, 1], Operations: ['71+4=75', '75-74=1'] Exploring Operation: 11*1=11, Resulting Numbers: [11] 11,77 unequal: No Solution Exploring Operation: 11+1=12, Resulting Numbers: [12] 12,77 unequal: No Solution Exploring Operation: 11/1=11, Resulting Numbers: [11] 11,77 unequal: No Solution Moving to Node #0,1,2 Current State: 77:[75, 85], Operations: ['71+4=75', '74+11=85'] Exploring Operation: 75+85=160, Resulting Numbers: [160] 160,77 unequal: No Solution Exploring Operation: 75*85=6375, Resulting Numbers: [6375] 6375,77 unequal: No Solution Exploring Operation: 85-75=10, Resulting Numbers: [10] 10,77 unequal: No Solution Moving to Node #0,1,1 Current State: 77:[74, 86], Operations: ['71+4=75', '11+75=86'] Exploring Operation: 74+86=160, Resulting Numbers: [160] 160,77 unequal: No Solution Exploring Operation: 74*86=6364, Resulting Numbers: [6364] 6364,77 unequal: No Solution Exploring Operation: 86-74=12, Resulting Numbers: [12] 12,77 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 Current State: 77:[11, 4, 3], Operations: ['74-71=3'] Exploring Operation: 4*3=12, Resulting Numbers: [11, 12] Generated Node #0,0,0: 77:[11, 12] Operation: 4*3=12 Exploring Operation: 4+3=7, Resulting Numbers: [11, 7] Generated Node #0,0,1: 77:[11, 7] Operation: 4+3=7 Exploring Operation: 11-4=7, Resulting Numbers: [3, 7] Generated Node #0,0,2: 77:[3, 7] Operation: 11-4=7 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 77:[11, 7], Operations: ['74-71=3', '4+3=7'] Exploring Operation: 11-7=4, Resulting Numbers: [4] 4,77 unequal: No Solution Exploring Operation: 11*7=77, Resulting Numbers: [77] 77,77 equal: Goal Reached Moving to Node #0 Current State: 77:[74, 11, 71, 4], Operations: [] Exploring Operation: 74-71=3, Resulting Numbers: [11, 4, 3] Generated Node #0,0: 77:[11, 4, 3] Operation: 74-71=3 Moving to Node #0,0 Current State: 77:[11, 4, 3], Operations: ['74-71=3'] Exploring Operation: 4+3=7, Resulting Numbers: [11, 7] Generated Node #0,0,1: 77:[11, 7] Operation: 4+3=7 Moving to Node #0,0,1 Current State: 77:[11, 7], Operations: ['74-71=3', '4+3=7'] Exploring Operation: 11*7=77, Resulting Numbers: [77] 77,77 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.979167
hs_3
sum_heuristic
[ 46, 45, 80, 79 ]
90
[ "46+45=91", "80-79=1", "91-1=90" ]
Current State: 90:[46, 45, 80, 79], Operations: [] Exploring Operation: 46+45=91, Resulting Numbers: [80, 79, 91] Generated Node #2: [80, 79, 91] from Operation: 46+45=91 Current State: 90:[80, 79, 91], Operations: ['46+45=91'] Exploring Operation: 80-79=1, Resulting Numbers: [91, 1] Generated Node #3: [91, 1] from Operation: 80-79=1 Current State: 90:[91, 1], Operations: ['46+45=91', '80-79=1'] Exploring Operation: 91-1=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
4
Current State: 90:[46, 45, 80, 79], Operations: [] Exploring Operation: 79-45=34, Resulting Numbers: [46, 80, 34] Generated Node #0,0: 90:[46, 80, 34] Operation: 79-45=34 Exploring Operation: 80-45=35, Resulting Numbers: [46, 79, 35] Generated Node #0,1: 90:[46, 79, 35] Operation: 80-45=35 Exploring Operation: 79-46=33, Resulting Numbers: [45, 80, 33] Generated Node #0,2: 90:[45, 80, 33] Operation: 79-46=33 Exploring Operation: 80-46=34, Resulting Numbers: [45, 79, 34] Generated Node #0,3: 90:[45, 79, 34] Operation: 80-46=34 Exploring Operation: 80-79=1, Resulting Numbers: [46, 45, 1] Generated Node #0,4: 90:[46, 45, 1] Operation: 80-79=1 Start Sub Search at level 1: Moving to Node #0,4 Current State: 90:[46, 45, 1], Operations: ['80-79=1'] Exploring Operation: 45*1=45, Resulting Numbers: [46, 45] Generated Node #0,4,0: 90:[46, 45] Operation: 45*1=45 Exploring Operation: 46*1=46, Resulting Numbers: [45, 46] Generated Node #0,4,1: 90:[45, 46] Operation: 46*1=46 Exploring Operation: 46/1=46, Resulting Numbers: [45, 46] Generated Node #0,4,2: 90:[45, 46] Operation: 46/1=46 Exploring Operation: 46-1=45, Resulting Numbers: [45, 45] Generated Node #0,4,3: 90:[45, 45] Operation: 46-1=45 Exploring Operation: 45/1=45, Resulting Numbers: [46, 45] Generated Node #0,4,4: 90:[46, 45] Operation: 45/1=45 Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 90:[45, 45], Operations: ['80-79=1', '46-1=45'] Exploring Operation: 45-45=0, Resulting Numbers: [0] 0,90 unequal: No Solution Exploring Operation: 45/45=1, Resulting Numbers: [1] 1,90 unequal: No Solution Exploring Operation: 45+45=90, Resulting Numbers: [90] 90,90 equal: Goal Reached Moving to Node #0 Current State: 90:[46, 45, 80, 79], Operations: [] Exploring Operation: 80-79=1, Resulting Numbers: [46, 45, 1] Generated Node #0,4: 90:[46, 45, 1] Operation: 80-79=1 Moving to Node #0,4 Current State: 90:[46, 45, 1], Operations: ['80-79=1'] Exploring Operation: 46-1=45, Resulting Numbers: [45, 45] Generated Node #0,4,3: 90:[45, 45] Operation: 46-1=45 Moving to Node #0,4,3 Current State: 90:[45, 45], Operations: ['80-79=1', '46-1=45'] Exploring Operation: 45+45=90, Resulting Numbers: [90] 90,90 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.985243
hs_5
mult_heuristic
[ 26, 3, 71, 12 ]
36
[ "26-3=23", "71-12=59", "59-23=36" ]
Current State: 36:[26, 3, 71, 12], Operations: [] Exploring Operation: 26-3=23, Resulting Numbers: [71, 12, 23] Generated Node #2: [71, 12, 23] from Operation: 26-3=23 Current State: 36:[71, 12, 23], Operations: ['26-3=23'] Exploring Operation: 71-12=59, Resulting Numbers: [23, 59] Generated Node #3: [23, 59] from Operation: 71-12=59 Current State: 36:[23, 59], Operations: ['26-3=23', '71-12=59'] Exploring Operation: 59-23=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
4
Current State: 36:[26, 3, 71, 12], Operations: [] Exploring Operation: 26+12=38, Resulting Numbers: [3, 71, 38] Generated Node #0,0: 36:[3, 71, 38] Operation: 26+12=38 Exploring Operation: 71-26=45, Resulting Numbers: [3, 12, 45] Generated Node #0,1: 36:[3, 12, 45] Operation: 71-26=45 Exploring Operation: 71-12=59, Resulting Numbers: [26, 3, 59] Generated Node #0,2: 36:[26, 3, 59] Operation: 71-12=59 Start Sub Search at level 1: Moving to Node #0,1 Current State: 36:[3, 12, 45], Operations: ['71-26=45'] Exploring Operation: 45/3=15, Resulting Numbers: [12, 15] Generated Node #0,1,0: 36:[12, 15] Operation: 45/3=15 Exploring Operation: 45-3=42, Resulting Numbers: [12, 42] Generated Node #0,1,1: 36:[12, 42] Operation: 45-3=42 Exploring Operation: 45-12=33, Resulting Numbers: [3, 33] Generated Node #0,1,2: 36:[3, 33] Operation: 45-12=33 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 36:[12, 15], Operations: ['71-26=45', '45/3=15'] Exploring Operation: 15-12=3, Resulting Numbers: [3] 3,36 unequal: No Solution Exploring Operation: 12*15=180, Resulting Numbers: [180] 180,36 unequal: No Solution Exploring Operation: 12+15=27, Resulting Numbers: [27] 27,36 unequal: No Solution No 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: 36:[3, 33], Operations: ['71-26=45', '45-12=33'] Exploring Operation: 33/3=11, Resulting Numbers: [11] 11,36 unequal: No Solution Exploring Operation: 33-3=30, Resulting Numbers: [30] 30,36 unequal: No Solution Exploring Operation: 3+33=36, Resulting Numbers: [36] 36,36 equal: Goal Reached Moving to Node #0 Current State: 36:[26, 3, 71, 12], Operations: [] Exploring Operation: 71-26=45, Resulting Numbers: [3, 12, 45] Generated Node #0,1: 36:[3, 12, 45] Operation: 71-26=45 Moving to Node #0,1 Current State: 36:[3, 12, 45], Operations: ['71-26=45'] Exploring Operation: 45-12=33, Resulting Numbers: [3, 33] Generated Node #0,1,2: 36:[3, 33] Operation: 45-12=33 Moving to Node #0,1,2 Current State: 36:[3, 33], Operations: ['71-26=45', '45-12=33'] Exploring Operation: 3+33=36, Resulting Numbers: [36] 36,36 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986111
hs_3
mult_heuristic
[ 25, 70, 63, 14 ]
50
[ "25*14=350", "70-63=7", "350/7=50" ]
Current State: 50:[25, 70, 63, 14], Operations: [] Exploring Operation: 25*14=350, Resulting Numbers: [70, 63, 350] Generated Node #2: [70, 63, 350] from Operation: 25*14=350 Current State: 50:[70, 63, 350], Operations: ['25*14=350'] Exploring Operation: 70-63=7, Resulting Numbers: [350, 7] Generated Node #3: [350, 7] from Operation: 70-63=7 Current State: 50:[350, 7], Operations: ['25*14=350', '70-63=7'] Exploring Operation: 350/7=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[25, 70, 63, 14], Operations: [] Exploring Operation: 70-14=56, Resulting Numbers: [25, 63, 56] Generated Node #0,0: 50:[25, 63, 56] Operation: 70-14=56 Exploring Operation: 63-14=49, Resulting Numbers: [25, 70, 49] Generated Node #0,1: 50:[25, 70, 49] Operation: 63-14=49 Exploring Operation: 70/14=5, Resulting Numbers: [25, 63, 5] Generated Node #0,2: 50:[25, 63, 5] Operation: 70/14=5 Exploring Operation: 70-63=7, Resulting Numbers: [25, 14, 7] Generated Node #0,3: 50:[25, 14, 7] Operation: 70-63=7 Start Sub Search at level 1: Moving to Node #0,3 Current State: 50:[25, 14, 7], Operations: ['70-63=7'] Exploring Operation: 25-14=11, Resulting Numbers: [7, 11] Generated Node #0,3,0: 50:[7, 11] Operation: 25-14=11 Exploring Operation: 14-7=7, Resulting Numbers: [25, 7] Generated Node #0,3,1: 50:[25, 7] Operation: 14-7=7 Exploring Operation: 14+7=21, Resulting Numbers: [25, 21] Generated Node #0,3,2: 50:[25, 21] Operation: 14+7=21 Exploring Operation: 14/7=2, Resulting Numbers: [25, 2] Generated Node #0,3,3: 50:[25, 2] Operation: 14/7=2 Moving to Node #0,3,3 Current State: 50:[25, 2], Operations: ['70-63=7', '14/7=2'] Exploring Operation: 25*2=50, Resulting Numbers: [50] 50,50 equal: Goal Reached Moving to Node #0 Current State: 50:[25, 70, 63, 14], Operations: [] Exploring Operation: 70-63=7, Resulting Numbers: [25, 14, 7] Generated Node #0,3: 50:[25, 14, 7] Operation: 70-63=7 Moving to Node #0,3 Current State: 50:[25, 14, 7], Operations: ['70-63=7'] Exploring Operation: 14/7=2, Resulting Numbers: [25, 2] Generated Node #0,3,3: 50:[25, 2] Operation: 14/7=2 Moving to Node #0,3,3 Current State: 50:[25, 2], Operations: ['70-63=7', '14/7=2'] Exploring Operation: 25*2=50, Resulting Numbers: [50] 50,50 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_4
sum_heuristic
[ 55, 57, 24, 72 ]
50
[ "57-55=2", "72-24=48", "2+48=50" ]
Current State: 50:[55, 57, 24, 72], Operations: [] Exploring Operation: 57-55=2, Resulting Numbers: [24, 72, 2] Generated Node #2: [24, 72, 2] from Operation: 57-55=2 Current State: 50:[24, 72, 2], Operations: ['57-55=2'] Exploring Operation: 72-24=48, Resulting Numbers: [2, 48] Generated Node #3: [2, 48] from Operation: 72-24=48 Current State: 50:[2, 48], Operations: ['57-55=2', '72-24=48'] Exploring Operation: 2+48=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[55, 57, 24, 72], Operations: [] Exploring Operation: 72/24=3, Resulting Numbers: [55, 57, 3] Generated Node #0,0: 50:[55, 57, 3] Operation: 72/24=3 Exploring Operation: 72-57=15, Resulting Numbers: [55, 24, 15] Generated Node #0,1: 50:[55, 24, 15] Operation: 72-57=15 Start Sub Search at level 1: Moving to Node #0,1 Current State: 50:[55, 24, 15], Operations: ['72-57=15'] Exploring Operation: 24-15=9, Resulting Numbers: [55, 9] Generated Node #0,1,0: 50:[55, 9] Operation: 24-15=9 Exploring Operation: 55-24=31, Resulting Numbers: [15, 31] Generated Node #0,1,1: 50:[15, 31] Operation: 55-24=31 Moving to Node #0,1,0 Current State: 50:[55, 9], Operations: ['72-57=15', '24-15=9'] Exploring Operation: 55+9=64, Resulting Numbers: [64] 64,50 unequal: No Solution Exploring Operation: 55-9=46, Resulting Numbers: [46] 46,50 unequal: No Solution Moving to Node #0,1,1 Current State: 50:[15, 31], Operations: ['72-57=15', '55-24=31'] Exploring Operation: 31-15=16, Resulting Numbers: [16] 16,50 unequal: No Solution Exploring Operation: 15+31=46, Resulting Numbers: [46] 46,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 50:[55, 57, 3], Operations: ['72/24=3'] Exploring Operation: 57-55=2, Resulting Numbers: [3, 2] Generated Node #0,0,0: 50:[3, 2] Operation: 57-55=2 Exploring Operation: 55-3=52, Resulting Numbers: [57, 52] Generated Node #0,0,1: 50:[57, 52] Operation: 55-3=52 Moving to Node #0,0,0 Current State: 50:[3, 2], Operations: ['72/24=3', '57-55=2'] Exploring Operation: 3+2=5, Resulting Numbers: [5] 5,50 unequal: No Solution Exploring Operation: 3*2=6, Resulting Numbers: [6] 6,50 unequal: No Solution Moving to Node #0,0,1 Current State: 50:[57, 52], Operations: ['72/24=3', '55-3=52'] Exploring Operation: 57+52=109, Resulting Numbers: [109] 109,50 unequal: No Solution Exploring Operation: 57-52=5, Resulting Numbers: [5] 5,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 10, 32, 35, 69 ]
43
[ "32*35=1120", "1120/10=112", "112-69=43" ]
Current State: 43:[10, 32, 35, 69], Operations: [] Exploring Operation: 32*35=1120, Resulting Numbers: [10, 69, 1120] Generated Node #2: [10, 69, 1120] from Operation: 32*35=1120 Current State: 43:[10, 69, 1120], Operations: ['32*35=1120'] Exploring Operation: 1120/10=112, Resulting Numbers: [69, 112] Generated Node #3: [69, 112] from Operation: 1120/10=112 Current State: 43:[69, 112], Operations: ['32*35=1120', '1120/10=112'] Exploring Operation: 112-69=43, Resulting Numbers: [43] 43,43 equal: Goal Reached
4
Current State: 43:[10, 32, 35, 69], Operations: [] Exploring Operation: 69-32=37, Resulting Numbers: [10, 35, 37] Generated Node #0,0: 43:[10, 35, 37] Operation: 69-32=37 Exploring Operation: 10+32=42, Resulting Numbers: [35, 69, 42] Generated Node #0,1: 43:[35, 69, 42] Operation: 10+32=42 Exploring Operation: 10+35=45, Resulting Numbers: [32, 69, 45] Generated Node #0,2: 43:[32, 69, 45] Operation: 10+35=45 Exploring Operation: 69-10=59, Resulting Numbers: [32, 35, 59] Generated Node #0,3: 43:[32, 35, 59] Operation: 69-10=59 Start Sub Search at level 1: Moving to Node #0,1 Current State: 43:[35, 69, 42], Operations: ['10+32=42'] Exploring Operation: 69-42=27, Resulting Numbers: [35, 27] Generated Node #0,1,0: 43:[35, 27] Operation: 69-42=27 Exploring Operation: 35+69=104, Resulting Numbers: [42, 104] Generated Node #0,1,1: 43:[42, 104] Operation: 35+69=104 Exploring Operation: 69-35=34, Resulting Numbers: [42, 34] Generated Node #0,1,2: 43:[42, 34] Operation: 69-35=34 Exploring Operation: 35+42=77, Resulting Numbers: [69, 77] Generated Node #0,1,3: 43:[69, 77] Operation: 35+42=77 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 43:[42, 34], Operations: ['10+32=42', '69-35=34'] Exploring Operation: 42*34=1428, Resulting Numbers: [1428] 1428,43 unequal: No Solution Exploring Operation: 42+34=76, Resulting Numbers: [76] 76,43 unequal: No Solution Exploring Operation: 42-34=8, Resulting Numbers: [8] 8,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 43:[35, 27], Operations: ['10+32=42', '69-42=27'] Exploring Operation: 35*27=945, Resulting Numbers: [945] 945,43 unequal: No Solution Exploring Operation: 35+27=62, Resulting Numbers: [62] 62,43 unequal: No Solution Exploring Operation: 35-27=8, Resulting Numbers: [8] 8,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 43:[69, 77], Operations: ['10+32=42', '35+42=77'] Exploring Operation: 69*77=5313, Resulting Numbers: [5313] 5313,43 unequal: No Solution Exploring Operation: 69+77=146, Resulting Numbers: [146] 146,43 unequal: No Solution Exploring Operation: 77-69=8, Resulting Numbers: [8] 8,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 43:[42, 104], Operations: ['10+32=42', '35+69=104'] Exploring Operation: 42+104=146, Resulting Numbers: [146] 146,43 unequal: No Solution Exploring Operation: 42*104=4368, Resulting Numbers: [4368] 4368,43 unequal: No Solution Exploring Operation: 104-42=62, Resulting Numbers: [62] 62,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 43:[32, 35, 59], Operations: ['69-10=59'] Exploring Operation: 59-32=27, Resulting Numbers: [35, 27] Generated Node #0,3,0: 43:[35, 27] Operation: 59-32=27 Exploring Operation: 59-35=24, Resulting Numbers: [32, 24] Generated Node #0,3,1: 43:[32, 24] Operation: 59-35=24 Exploring Operation: 32+35=67, Resulting Numbers: [59, 67] Generated Node #0,3,2: 43:[59, 67] Operation: 32+35=67 Exploring Operation: 35-32=3, Resulting Numbers: [59, 3] Generated Node #0,3,3: 43:[59, 3] Operation: 35-32=3 Moving to Node #0,3,0 Current State: 43:[35, 27], Operations: ['69-10=59', '59-32=27'] Exploring Operation: 35*27=945, Resulting Numbers: [945] 945,43 unequal: No Solution Exploring Operation: 35+27=62, Resulting Numbers: [62] 62,43 unequal: No Solution Exploring Operation: 35-27=8, Resulting Numbers: [8] 8,43 unequal: No Solution Moving to Node #0,3,1 Current State: 43:[32, 24], Operations: ['69-10=59', '59-35=24'] Exploring Operation: 32-24=8, Resulting Numbers: [8] 8,43 unequal: No Solution Exploring Operation: 32*24=768, Resulting Numbers: [768] 768,43 unequal: No Solution Exploring Operation: 32+24=56, Resulting Numbers: [56] 56,43 unequal: No Solution Moving to Node #0,3,2 Current State: 43:[59, 67], Operations: ['69-10=59', '32+35=67'] Exploring Operation: 59+67=126, Resulting Numbers: [126] 126,43 unequal: No Solution Exploring Operation: 59*67=3953, Resulting Numbers: [3953] 3953,43 unequal: No Solution Exploring Operation: 67-59=8, Resulting Numbers: [8] 8,43 unequal: No Solution Moving to Node #0,3,3 Current State: 43:[59, 3], Operations: ['69-10=59', '35-32=3'] Exploring Operation: 59-3=56, Resulting Numbers: [56] 56,43 unequal: No Solution Exploring Operation: 59+3=62, Resulting Numbers: [62] 62,43 unequal: No Solution Exploring Operation: 59*3=177, Resulting Numbers: [177] 177,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 43:[32, 69, 45], Operations: ['10+35=45'] Exploring Operation: 69-45=24, Resulting Numbers: [32, 24] Generated Node #0,2,0: 43:[32, 24] Operation: 69-45=24 Exploring Operation: 45-32=13, Resulting Numbers: [69, 13] Generated Node #0,2,1: 43:[69, 13] Operation: 45-32=13 Exploring Operation: 69-32=37, Resulting Numbers: [45, 37] Generated Node #0,2,2: 43:[45, 37] Operation: 69-32=37 Exploring Operation: 32+69=101, Resulting Numbers: [45, 101] Generated Node #0,2,3: 43:[45, 101] Operation: 32+69=101 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 43:[45, 37], Operations: ['10+35=45', '69-32=37'] Exploring Operation: 45+37=82, Resulting Numbers: [82] 82,43 unequal: No Solution Exploring Operation: 45-37=8, Resulting Numbers: [8] 8,43 unequal: No Solution Exploring Operation: 45*37=1665, Resulting Numbers: [1665] 1665,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 43:[32, 24], Operations: ['10+35=45', '69-45=24'] Exploring Operation: 32-24=8, Resulting Numbers: [8] 8,43 unequal: No Solution Exploring Operation: 32*24=768, Resulting Numbers: [768] 768,43 unequal: No Solution Exploring Operation: 32+24=56, Resulting Numbers: [56] 56,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 43:[69, 13], Operations: ['10+35=45', '45-32=13'] Exploring Operation: 69+13=82, Resulting Numbers: [82] 82,43 unequal: No Solution Exploring Operation: 69-13=56, Resulting Numbers: [56] 56,43 unequal: No Solution Exploring Operation: 69*13=897, Resulting Numbers: [897] 897,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 43:[45, 101], Operations: ['10+35=45', '32+69=101'] Exploring Operation: 101-45=56, Resulting Numbers: [56] 56,43 unequal: No Solution Exploring Operation: 45*101=4545, Resulting Numbers: [4545] 4545,43 unequal: No Solution Exploring Operation: 45+101=146, Resulting Numbers: [146] 146,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 43:[10, 35, 37], Operations: ['69-32=37'] Exploring Operation: 35-10=25, Resulting Numbers: [37, 25] Generated Node #0,0,0: 43:[37, 25] Operation: 35-10=25 Exploring Operation: 10+35=45, Resulting Numbers: [37, 45] Generated Node #0,0,1: 43:[37, 45] Operation: 10+35=45 Exploring Operation: 10+37=47, Resulting Numbers: [35, 47] Generated Node #0,0,2: 43:[35, 47] Operation: 10+37=47 Exploring Operation: 37-10=27, Resulting Numbers: [35, 27] Generated Node #0,0,3: 43:[35, 27] Operation: 37-10=27 Moving to Node #0,0,1 Current State: 43:[37, 45], Operations: ['69-32=37', '10+35=45'] Exploring Operation: 37+45=82, Resulting Numbers: [82] 82,43 unequal: No Solution Exploring Operation: 45-37=8, Resulting Numbers: [8] 8,43 unequal: No Solution Exploring Operation: 37*45=1665, Resulting Numbers: [1665] 1665,43 unequal: No Solution Moving to Node #0,0,2 Current State: 43:[35, 47], Operations: ['69-32=37', '10+37=47'] Exploring Operation: 35*47=1645, Resulting Numbers: [1645] 1645,43 unequal: No Solution Exploring Operation: 47-35=12, Resulting Numbers: [12] 12,43 unequal: No Solution Exploring Operation: 35+47=82, Resulting Numbers: [82] 82,43 unequal: No Solution Moving to Node #0,0,3 Current State: 43:[35, 27], Operations: ['69-32=37', '37-10=27'] Exploring Operation: 35-27=8, Resulting Numbers: [8] 8,43 unequal: No Solution Exploring Operation: 35*27=945, Resulting Numbers: [945] 945,43 unequal: No Solution Exploring Operation: 35+27=62, Resulting Numbers: [62] 62,43 unequal: No Solution Moving to Node #0,0,0 Current State: 43:[37, 25], Operations: ['69-32=37', '35-10=25'] Exploring Operation: 37*25=925, Resulting Numbers: [925] 925,43 unequal: No Solution Exploring Operation: 37-25=12, Resulting Numbers: [12] 12,43 unequal: No Solution Exploring Operation: 37+25=62, Resulting Numbers: [62] 62,43 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
[ 2, 92, 28, 8 ]
52
[ "92+28=120", "120/2=60", "60-8=52" ]
Current State: 52:[2, 92, 28, 8], Operations: [] Exploring Operation: 92+28=120, Resulting Numbers: [2, 8, 120] Generated Node #2: [2, 8, 120] from Operation: 92+28=120 Current State: 52:[2, 8, 120], Operations: ['92+28=120'] Exploring Operation: 120/2=60, Resulting Numbers: [8, 60] Generated Node #3: [8, 60] from Operation: 120/2=60 Current State: 52:[8, 60], Operations: ['92+28=120', '120/2=60'] Exploring Operation: 60-8=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[2, 92, 28, 8], Operations: [] Exploring Operation: 92/2=46, Resulting Numbers: [28, 8, 46] Generated Node #0,0: 52:[28, 8, 46] Operation: 92/2=46 Exploring Operation: 92-28=64, Resulting Numbers: [2, 8, 64] Generated Node #0,1: 52:[2, 8, 64] Operation: 92-28=64 Moving to Node #0,0 Current State: 52:[28, 8, 46], Operations: ['92/2=46'] Exploring Operation: 8+46=54, Resulting Numbers: [28, 54] Generated Node #0,0,0: 52:[28, 54] Operation: 8+46=54 Exploring Operation: 46-28=18, Resulting Numbers: [8, 18] Generated Node #0,0,1: 52:[8, 18] Operation: 46-28=18 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 52:[28, 54], Operations: ['92/2=46', '8+46=54'] Exploring Operation: 28+54=82, Resulting Numbers: [82] 82,52 unequal: No Solution Exploring Operation: 54-28=26, Resulting Numbers: [26] 26,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 52:[8, 18], Operations: ['92/2=46', '46-28=18'] Exploring Operation: 18-8=10, Resulting Numbers: [10] 10,52 unequal: No Solution Exploring Operation: 8+18=26, Resulting Numbers: [26] 26,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 52:[2, 8, 64], Operations: ['92-28=64'] Exploring Operation: 64/8=8, Resulting Numbers: [2, 8] Generated Node #0,1,0: 52:[2, 8] Operation: 64/8=8 Exploring Operation: 64-8=56, Resulting Numbers: [2, 56] Generated Node #0,1,1: 52:[2, 56] Operation: 64-8=56 Moving to Node #0,1,0 Current State: 52:[2, 8], Operations: ['92-28=64', '64/8=8'] Exploring Operation: 8/2=4, Resulting Numbers: [4] 4,52 unequal: No Solution Exploring Operation: 8-2=6, Resulting Numbers: [6] 6,52 unequal: No Solution Moving to Node #0,1,1 Current State: 52:[2, 56], Operations: ['92-28=64', '64-8=56'] Exploring Operation: 56/2=28, Resulting Numbers: [28] 28,52 unequal: No Solution Exploring Operation: 56-2=54, Resulting Numbers: [54] 54,52 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 14, 52, 47, 58 ]
67
[ "52-14=38", "47+58=105", "105-38=67" ]
Current State: 67:[14, 52, 47, 58], Operations: [] Exploring Operation: 52-14=38, Resulting Numbers: [47, 58, 38] Generated Node #2: [47, 58, 38] from Operation: 52-14=38 Current State: 67:[47, 58, 38], Operations: ['52-14=38'] Exploring Operation: 47+58=105, Resulting Numbers: [38, 105] Generated Node #3: [38, 105] from Operation: 47+58=105 Current State: 67:[38, 105], Operations: ['52-14=38', '47+58=105'] Exploring Operation: 105-38=67, Resulting Numbers: [67] 67,67 equal: Goal Reached
4
Current State: 67:[14, 52, 47, 58], Operations: [] Exploring Operation: 14+47=61, Resulting Numbers: [52, 58, 61] Generated Node #0,0: 67:[52, 58, 61] Operation: 14+47=61 Exploring Operation: 14+52=66, Resulting Numbers: [47, 58, 66] Generated Node #0,1: 67:[47, 58, 66] Operation: 14+52=66 Start Sub Search at level 1: Moving to Node #0,0 Current State: 67:[52, 58, 61], Operations: ['14+47=61'] Exploring Operation: 52+58=110, Resulting Numbers: [61, 110] Generated Node #0,0,0: 67:[61, 110] Operation: 52+58=110 Exploring Operation: 52+61=113, Resulting Numbers: [58, 113] Generated Node #0,0,1: 67:[58, 113] Operation: 52+61=113 Moving to Node #0,0,0 Current State: 67:[61, 110], Operations: ['14+47=61', '52+58=110'] Exploring Operation: 110-61=49, Resulting Numbers: [49] 49,67 unequal: No Solution Exploring Operation: 61+110=171, Resulting Numbers: [171] 171,67 unequal: No Solution Moving to Node #0,0,1 Current State: 67:[58, 113], Operations: ['14+47=61', '52+61=113'] Exploring Operation: 113-58=55, Resulting Numbers: [55] 55,67 unequal: No Solution Exploring Operation: 58+113=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 #0,1 Current State: 67:[47, 58, 66], Operations: ['14+52=66'] Exploring Operation: 47+66=113, Resulting Numbers: [58, 113] Generated Node #0,1,0: 67:[58, 113] Operation: 47+66=113 Exploring Operation: 47+58=105, Resulting Numbers: [66, 105] Generated Node #0,1,1: 67:[66, 105] Operation: 47+58=105 Moving to Node #0,1,1 Current State: 67:[66, 105], Operations: ['14+52=66', '47+58=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 Moving to Node #0,1,0 Current State: 67:[58, 113], Operations: ['14+52=66', '47+66=113'] Exploring Operation: 113-58=55, Resulting Numbers: [55] 55,67 unequal: No Solution Exploring Operation: 58+113=171, Resulting Numbers: [171] 171,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 3, 20, 15, 1 ]
38
[ "3+20=23", "15*1=15", "23+15=38" ]
Current State: 38:[3, 20, 15, 1], Operations: [] Exploring Operation: 3+20=23, Resulting Numbers: [15, 1, 23] Generated Node #2: [15, 1, 23] from Operation: 3+20=23 Current State: 38:[15, 1, 23], Operations: ['3+20=23'] Exploring Operation: 15*1=15, Resulting Numbers: [23, 15] Generated Node #3: [23, 15] from Operation: 15*1=15 Current State: 38:[23, 15], Operations: ['3+20=23', '15*1=15'] Exploring Operation: 23+15=38, Resulting Numbers: [38] 38,38 equal: Goal Reached
4
Current State: 38:[3, 20, 15, 1], Operations: [] Exploring Operation: 15/3=5, Resulting Numbers: [20, 1, 5] Generated Node #0,0: 38:[20, 1, 5] Operation: 15/3=5 Exploring Operation: 3-1=2, Resulting Numbers: [20, 15, 2] Generated Node #0,1: 38:[20, 15, 2] Operation: 3-1=2 Exploring Operation: 3+15=18, Resulting Numbers: [20, 1, 18] Generated Node #0,2: 38:[20, 1, 18] Operation: 3+15=18 Exploring Operation: 20+15=35, Resulting Numbers: [3, 1, 35] Generated Node #0,3: 38:[3, 1, 35] Operation: 20+15=35 Moving to Node #0,2 Current State: 38:[20, 1, 18], Operations: ['3+15=18'] Exploring Operation: 20+18=38, Resulting Numbers: [1, 38] Generated Node #0,2,0: 38:[1, 38] Operation: 20+18=38 Exploring Operation: 1+18=19, Resulting Numbers: [20, 19] Generated Node #0,2,1: 38:[20, 19] Operation: 1+18=19 Exploring Operation: 20-18=2, Resulting Numbers: [1, 2] Generated Node #0,2,2: 38:[1, 2] Operation: 20-18=2 Exploring Operation: 20-1=19, Resulting Numbers: [18, 19] Generated Node #0,2,3: 38:[18, 19] Operation: 20-1=19 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 38:[1, 38], Operations: ['3+15=18', '20+18=38'] Exploring Operation: 38/1=38, Resulting Numbers: [38] 38,38 equal: Goal Reached Moving to Node #0 Current State: 38:[3, 20, 15, 1], Operations: [] Exploring Operation: 3+15=18, Resulting Numbers: [20, 1, 18] Generated Node #0,2: 38:[20, 1, 18] Operation: 3+15=18 Moving to Node #0,2 Current State: 38:[20, 1, 18], Operations: ['3+15=18'] Exploring Operation: 20+18=38, Resulting Numbers: [1, 38] Generated Node #0,2,0: 38:[1, 38] Operation: 20+18=38 Moving to Node #0,2,0 Current State: 38:[1, 38], Operations: ['3+15=18', '20+18=38'] Exploring Operation: 38/1=38, Resulting Numbers: [38] 38,38 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_4
mult_heuristic
[ 28, 53, 30, 52 ]
79
[ "30-28=2", "52/2=26", "53+26=79" ]
Current State: 79:[28, 53, 30, 52], Operations: [] Exploring Operation: 30-28=2, Resulting Numbers: [53, 52, 2] Generated Node #2: [53, 52, 2] from Operation: 30-28=2 Current State: 79:[53, 52, 2], Operations: ['30-28=2'] Exploring Operation: 52/2=26, Resulting Numbers: [53, 26] Generated Node #3: [53, 26] from Operation: 52/2=26 Current State: 79:[53, 26], Operations: ['30-28=2', '52/2=26'] Exploring Operation: 53+26=79, Resulting Numbers: [79] 79,79 equal: Goal Reached
4
Current State: 79:[28, 53, 30, 52], Operations: [] Exploring Operation: 28+30=58, Resulting Numbers: [53, 52, 58] Generated Node #0,0: 79:[53, 52, 58] Operation: 28+30=58 Moving to Node #0,0 Current State: 79:[53, 52, 58], Operations: ['28+30=58'] Exploring Operation: 53+52=105, Resulting Numbers: [58, 105] Generated Node #0,0,0: 79:[58, 105] Operation: 53+52=105 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 79:[58, 105], Operations: ['28+30=58', '53+52=105'] Exploring Operation: 105-58=47, Resulting Numbers: [47] 47,79 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
[ 50, 14, 32, 1 ]
31
[ "50+14=64", "32+1=33", "64-33=31" ]
Current State: 31:[50, 14, 32, 1], Operations: [] Exploring Operation: 50+14=64, Resulting Numbers: [32, 1, 64] Generated Node #2: [32, 1, 64] from Operation: 50+14=64 Current State: 31:[32, 1, 64], Operations: ['50+14=64'] Exploring Operation: 32+1=33, Resulting Numbers: [64, 33] Generated Node #3: [64, 33] from Operation: 32+1=33 Current State: 31:[64, 33], Operations: ['50+14=64', '32+1=33'] Exploring Operation: 64-33=31, Resulting Numbers: [31] 31,31 equal: Goal Reached
4
Current State: 31:[50, 14, 32, 1], Operations: [] Exploring Operation: 14+1=15, Resulting Numbers: [50, 32, 15] Generated Node #0,0: 31:[50, 32, 15] Operation: 14+1=15 Exploring Operation: 50-14=36, Resulting Numbers: [32, 1, 36] Generated Node #0,1: 31:[32, 1, 36] Operation: 50-14=36 Exploring Operation: 50*1=50, Resulting Numbers: [14, 32, 50] Generated Node #0,2: 31:[14, 32, 50] Operation: 50*1=50 Exploring Operation: 32-1=31, Resulting Numbers: [50, 14, 31] Generated Node #0,3: 31:[50, 14, 31] Operation: 32-1=31 Exploring Operation: 50-1=49, Resulting Numbers: [14, 32, 49] Generated Node #0,4: 31:[14, 32, 49] Operation: 50-1=49 Start Sub Search at level 1: Moving to Node #0,0 Current State: 31:[50, 32, 15], Operations: ['14+1=15'] Exploring Operation: 32+15=47, Resulting Numbers: [50, 47] Generated Node #0,0,0: 31:[50, 47] Operation: 32+15=47 Exploring Operation: 50-15=35, Resulting Numbers: [32, 35] Generated Node #0,0,1: 31:[32, 35] Operation: 50-15=35 Exploring Operation: 32-15=17, Resulting Numbers: [50, 17] Generated Node #0,0,2: 31:[50, 17] Operation: 32-15=17 Exploring Operation: 50-32=18, Resulting Numbers: [15, 18] Generated Node #0,0,3: 31:[15, 18] Operation: 50-32=18 Exploring Operation: 50+15=65, Resulting Numbers: [32, 65] Generated Node #0,0,4: 31:[32, 65] Operation: 50+15=65 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 31:[32, 35], Operations: ['14+1=15', '50-15=35'] Exploring Operation: 32*35=1120, Resulting Numbers: [1120] 1120,31 unequal: No Solution Exploring Operation: 35-32=3, Resulting Numbers: [3] 3,31 unequal: No Solution Exploring Operation: 32+35=67, Resulting Numbers: [67] 67,31 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 31:[15, 18], Operations: ['14+1=15', '50-32=18'] Exploring Operation: 18-15=3, Resulting Numbers: [3] 3,31 unequal: No Solution Exploring Operation: 15*18=270, Resulting Numbers: [270] 270,31 unequal: No Solution Exploring Operation: 15+18=33, Resulting Numbers: [33] 33,31 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 31:[50, 17], Operations: ['14+1=15', '32-15=17'] Exploring Operation: 50+17=67, Resulting Numbers: [67] 67,31 unequal: No Solution Exploring Operation: 50-17=33, Resulting Numbers: [33] 33,31 unequal: No Solution Exploring Operation: 50*17=850, Resulting Numbers: [850] 850,31 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 31:[50, 47], Operations: ['14+1=15', '32+15=47'] Exploring Operation: 50*47=2350, Resulting Numbers: [2350] 2350,31 unequal: No Solution Exploring Operation: 50+47=97, Resulting Numbers: [97] 97,31 unequal: No Solution Exploring Operation: 50-47=3, Resulting Numbers: [3] 3,31 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 31:[32, 65], Operations: ['14+1=15', '50+15=65'] Exploring Operation: 32+65=97, Resulting Numbers: [97] 97,31 unequal: No Solution Exploring Operation: 32*65=2080, Resulting Numbers: [2080] 2080,31 unequal: No Solution Exploring Operation: 65-32=33, Resulting Numbers: [33] 33,31 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 31:[32, 1, 36], Operations: ['50-14=36'] Exploring Operation: 1*36=36, Resulting Numbers: [32, 36] Generated Node #0,1,0: 31:[32, 36] Operation: 1*36=36 Exploring Operation: 32*1=32, Resulting Numbers: [36, 32] Generated Node #0,1,1: 31:[36, 32] Operation: 32*1=32 Exploring Operation: 32-1=31, Resulting Numbers: [36, 31] Generated Node #0,1,2: 31:[36, 31] Operation: 32-1=31 Exploring Operation: 36-1=35, Resulting Numbers: [32, 35] Generated Node #0,1,3: 31:[32, 35] Operation: 36-1=35 Exploring Operation: 32/1=32, Resulting Numbers: [36, 32] Generated Node #0,1,4: 31:[36, 32] Operation: 32/1=32 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 31:[36, 31], Operations: ['50-14=36', '32-1=31'] Exploring Operation: 36*31=1116, Resulting Numbers: [1116] 1116,31 unequal: No Solution Exploring Operation: 36-31=5, Resulting Numbers: [5] 5,31 unequal: No Solution Exploring Operation: 36+31=67, Resulting Numbers: [67] 67,31 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 31:[32, 35], Operations: ['50-14=36', '36-1=35'] Exploring Operation: 35-32=3, Resulting Numbers: [3] 3,31 unequal: No Solution Exploring Operation: 32+35=67, Resulting Numbers: [67] 67,31 unequal: No Solution Exploring Operation: 32*35=1120, Resulting Numbers: [1120] 1120,31 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 31:[32, 36], Operations: ['50-14=36', '1*36=36'] Exploring Operation: 32*36=1152, Resulting Numbers: [1152] 1152,31 unequal: No Solution Exploring Operation: 36-32=4, Resulting Numbers: [4] 4,31 unequal: No Solution Exploring Operation: 32+36=68, Resulting Numbers: [68] 68,31 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 31:[36, 32], Operations: ['50-14=36', '32*1=32'] Exploring Operation: 36*32=1152, Resulting Numbers: [1152] 1152,31 unequal: No Solution Exploring Operation: 36+32=68, Resulting Numbers: [68] 68,31 unequal: No Solution Exploring Operation: 36-32=4, Resulting Numbers: [4] 4,31 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 31:[36, 32], Operations: ['50-14=36', '32/1=32'] Exploring Operation: 36*32=1152, Resulting Numbers: [1152] 1152,31 unequal: No Solution Exploring Operation: 36-32=4, Resulting Numbers: [4] 4,31 unequal: No Solution Exploring Operation: 36+32=68, Resulting Numbers: [68] 68,31 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 31:[50, 14, 31], Operations: ['32-1=31'] Exploring Operation: 50-31=19, Resulting Numbers: [14, 19] Generated Node #0,3,0: 31:[14, 19] Operation: 50-31=19 Exploring Operation: 31-14=17, Resulting Numbers: [50, 17] Generated Node #0,3,1: 31:[50, 17] Operation: 31-14=17 Exploring Operation: 14+31=45, Resulting Numbers: [50, 45] Generated Node #0,3,2: 31:[50, 45] Operation: 14+31=45 Exploring Operation: 50+14=64, Resulting Numbers: [31, 64] Generated Node #0,3,3: 31:[31, 64] Operation: 50+14=64 Exploring Operation: 50-14=36, Resulting Numbers: [31, 36] Generated Node #0,3,4: 31:[31, 36] Operation: 50-14=36 Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 31:[31, 36], Operations: ['32-1=31', '50-14=36'] Exploring Operation: 31+36=67, Resulting Numbers: [67] 67,31 unequal: No Solution Exploring Operation: 31*36=1116, Resulting Numbers: [1116] 1116,31 unequal: No Solution Exploring Operation: 36-31=5, Resulting Numbers: [5] 5,31 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 31:[14, 19], Operations: ['32-1=31', '50-31=19'] Exploring Operation: 14+19=33, Resulting Numbers: [33] 33,31 unequal: No Solution Exploring Operation: 19-14=5, Resulting Numbers: [5] 5,31 unequal: No Solution Exploring Operation: 14*19=266, Resulting Numbers: [266] 266,31 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 31:[50, 17], Operations: ['32-1=31', '31-14=17'] Exploring Operation: 50*17=850, Resulting Numbers: [850] 850,31 unequal: No Solution Exploring Operation: 50-17=33, Resulting Numbers: [33] 33,31 unequal: No Solution Exploring Operation: 50+17=67, Resulting Numbers: [67] 67,31 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 31:[50, 45], Operations: ['32-1=31', '14+31=45'] Exploring Operation: 50+45=95, Resulting Numbers: [95] 95,31 unequal: No Solution Exploring Operation: 50-45=5, Resulting Numbers: [5] 5,31 unequal: No Solution Exploring Operation: 50*45=2250, Resulting Numbers: [2250] 2250,31 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 31:[31, 64], Operations: ['32-1=31', '50+14=64'] Exploring Operation: 31*64=1984, Resulting Numbers: [1984] 1984,31 unequal: No Solution Exploring Operation: 64-31=33, Resulting Numbers: [33] 33,31 unequal: No Solution Exploring Operation: 31+64=95, Resulting Numbers: [95] 95,31 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 31:[14, 32, 49], Operations: ['50-1=49'] Exploring Operation: 49-14=35, Resulting Numbers: [32, 35] Generated Node #0,4,0: 31:[32, 35] Operation: 49-14=35 Exploring Operation: 49-32=17, Resulting Numbers: [14, 17] Generated Node #0,4,1: 31:[14, 17] Operation: 49-32=17 Exploring Operation: 14+49=63, Resulting Numbers: [32, 63] Generated Node #0,4,2: 31:[32, 63] Operation: 14+49=63 Exploring Operation: 14+32=46, Resulting Numbers: [49, 46] Generated Node #0,4,3: 31:[49, 46] Operation: 14+32=46 Exploring Operation: 32-14=18, Resulting Numbers: [49, 18] Generated Node #0,4,4: 31:[49, 18] Operation: 32-14=18 Moving to Node #0,4,0 Current State: 31:[32, 35], Operations: ['50-1=49', '49-14=35'] Exploring Operation: 32*35=1120, Resulting Numbers: [1120] 1120,31 unequal: No Solution Exploring Operation: 32+35=67, Resulting Numbers: [67] 67,31 unequal: No Solution Exploring Operation: 35-32=3, Resulting Numbers: [3] 3,31 unequal: No Solution Moving to Node #0,4,4 Current State: 31:[49, 18], Operations: ['50-1=49', '32-14=18'] Exploring Operation: 49*18=882, Resulting Numbers: [882] 882,31 unequal: No Solution Exploring Operation: 49-18=31, Resulting Numbers: [31] 31,31 equal: Goal Reached Moving to Node #0 Current State: 31:[50, 14, 32, 1], Operations: [] Exploring Operation: 50-1=49, Resulting Numbers: [14, 32, 49] Generated Node #0,4: 31:[14, 32, 49] Operation: 50-1=49 Moving to Node #0,4 Current State: 31:[14, 32, 49], Operations: ['50-1=49'] Exploring Operation: 32-14=18, Resulting Numbers: [49, 18] Generated Node #0,4,4: 31:[49, 18] Operation: 32-14=18 Moving to Node #0,4,4 Current State: 31:[49, 18], Operations: ['50-1=49', '32-14=18'] Exploring Operation: 49-18=31, Resulting Numbers: [31] 31,31 equal: Goal Reached Exit Sub Search at level 1
0.931424
hs_5
sum_heuristic
[ 5, 52, 97, 8 ]
73
[ "97+8=105", "105/5=21", "52+21=73" ]
Current State: 73:[5, 52, 97, 8], Operations: [] Exploring Operation: 97+8=105, Resulting Numbers: [5, 52, 105] Generated Node #2: [5, 52, 105] from Operation: 97+8=105 Current State: 73:[5, 52, 105], Operations: ['97+8=105'] Exploring Operation: 105/5=21, Resulting Numbers: [52, 21] Generated Node #3: [52, 21] from Operation: 105/5=21 Current State: 73:[52, 21], Operations: ['97+8=105', '105/5=21'] Exploring Operation: 52+21=73, Resulting Numbers: [73] 73,73 equal: Goal Reached
4
Current State: 73:[5, 52, 97, 8], Operations: [] Exploring Operation: 5+8=13, Resulting Numbers: [52, 97, 13] Generated Node #0,0: 73:[52, 97, 13] Operation: 5+8=13 Exploring Operation: 5+52=57, Resulting Numbers: [97, 8, 57] Generated Node #0,1: 73:[97, 8, 57] Operation: 5+52=57 Exploring Operation: 97-5=92, Resulting Numbers: [52, 8, 92] Generated Node #0,2: 73:[52, 8, 92] Operation: 97-5=92 Exploring Operation: 5*8=40, Resulting Numbers: [52, 97, 40] Generated Node #0,3: 73:[52, 97, 40] Operation: 5*8=40 Moving to Node #0,3 Current State: 73:[52, 97, 40], Operations: ['5*8=40'] Exploring Operation: 97-40=57, Resulting Numbers: [52, 57] Generated Node #0,3,0: 73:[52, 57] Operation: 97-40=57 Exploring Operation: 52+40=92, Resulting Numbers: [97, 92] Generated Node #0,3,1: 73:[97, 92] Operation: 52+40=92 Exploring Operation: 52-40=12, Resulting Numbers: [97, 12] Generated Node #0,3,2: 73:[97, 12] Operation: 52-40=12 Exploring Operation: 97-52=45, Resulting Numbers: [40, 45] Generated Node #0,3,3: 73:[40, 45] Operation: 97-52=45 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 73:[52, 57], Operations: ['5*8=40', '97-40=57'] Exploring Operation: 57-52=5, Resulting Numbers: [5] 5,73 unequal: No Solution Exploring Operation: 52+57=109, Resulting Numbers: [109] 109,73 unequal: No Solution Exploring Operation: 52*57=2964, Resulting Numbers: [2964] 2964,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 73:[97, 92], Operations: ['5*8=40', '52+40=92'] Exploring Operation: 97+92=189, Resulting Numbers: [189] 189,73 unequal: No Solution Exploring Operation: 97-92=5, Resulting Numbers: [5] 5,73 unequal: No Solution Exploring Operation: 97*92=8924, Resulting Numbers: [8924] 8924,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 73:[40, 45], Operations: ['5*8=40', '97-52=45'] Exploring Operation: 40*45=1800, Resulting Numbers: [1800] 1800,73 unequal: No Solution Exploring Operation: 40+45=85, Resulting Numbers: [85] 85,73 unequal: No Solution Exploring Operation: 45-40=5, Resulting Numbers: [5] 5,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 73:[97, 12], Operations: ['5*8=40', '52-40=12'] Exploring Operation: 97*12=1164, Resulting Numbers: [1164] 1164,73 unequal: No Solution Exploring Operation: 97+12=109, Resulting Numbers: [109] 109,73 unequal: No Solution Exploring Operation: 97-12=85, Resulting Numbers: [85] 85,73 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: 73:[97, 8, 57], Operations: ['5+52=57'] Exploring Operation: 8+57=65, Resulting Numbers: [97, 65] Generated Node #0,1,0: 73:[97, 65] Operation: 8+57=65 Exploring Operation: 97+8=105, Resulting Numbers: [57, 105] Generated Node #0,1,1: 73:[57, 105] Operation: 97+8=105 Exploring Operation: 57-8=49, Resulting Numbers: [97, 49] Generated Node #0,1,2: 73:[97, 49] Operation: 57-8=49 Exploring Operation: 97-8=89, Resulting Numbers: [57, 89] Generated Node #0,1,3: 73:[57, 89] Operation: 97-8=89 Moving to Node #0,0 Current State: 73:[52, 97, 13], Operations: ['5+8=13'] Exploring Operation: 52+13=65, Resulting Numbers: [97, 65] Generated Node #0,0,0: 73:[97, 65] Operation: 52+13=65 Exploring Operation: 52-13=39, Resulting Numbers: [97, 39] Generated Node #0,0,1: 73:[97, 39] Operation: 52-13=39 Exploring Operation: 97-13=84, Resulting Numbers: [52, 84] Generated Node #0,0,2: 73:[52, 84] Operation: 97-13=84 Exploring Operation: 97+13=110, Resulting Numbers: [52, 110] Generated Node #0,0,3: 73:[52, 110] Operation: 97+13=110 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 73:[97, 65], Operations: ['5+8=13', '52+13=65'] Exploring Operation: 97-65=32, Resulting Numbers: [32] 32,73 unequal: No Solution Exploring Operation: 97+65=162, Resulting Numbers: [162] 162,73 unequal: No Solution Exploring Operation: 97*65=6305, Resulting Numbers: [6305] 6305,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 73:[52, 84], Operations: ['5+8=13', '97-13=84'] Exploring Operation: 52*84=4368, Resulting Numbers: [4368] 4368,73 unequal: No Solution Exploring Operation: 52+84=136, Resulting Numbers: [136] 136,73 unequal: No Solution Exploring Operation: 84-52=32, Resulting Numbers: [32] 32,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 73:[97, 39], Operations: ['5+8=13', '52-13=39'] Exploring Operation: 97*39=3783, Resulting Numbers: [3783] 3783,73 unequal: No Solution Exploring Operation: 97-39=58, Resulting Numbers: [58] 58,73 unequal: No Solution Exploring Operation: 97+39=136, Resulting Numbers: [136] 136,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 73:[52, 110], Operations: ['5+8=13', '97+13=110'] Exploring Operation: 110-52=58, Resulting Numbers: [58] 58,73 unequal: No Solution Exploring Operation: 52+110=162, Resulting Numbers: [162] 162,73 unequal: No Solution Exploring Operation: 52*110=5720, Resulting Numbers: [5720] 5720,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 73:[52, 8, 92], Operations: ['97-5=92'] Exploring Operation: 8+92=100, Resulting Numbers: [52, 100] Generated Node #0,2,0: 73:[52, 100] Operation: 8+92=100 Exploring Operation: 52-8=44, Resulting Numbers: [92, 44] Generated Node #0,2,1: 73:[92, 44] Operation: 52-8=44 Exploring Operation: 52+8=60, Resulting Numbers: [92, 60] Generated Node #0,2,2: 73:[92, 60] Operation: 52+8=60 Exploring Operation: 92-8=84, Resulting Numbers: [52, 84] Generated Node #0,2,3: 73:[52, 84] Operation: 92-8=84 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 73:[92, 60], Operations: ['97-5=92', '52+8=60'] Exploring Operation: 92*60=5520, Resulting Numbers: [5520] 5520,73 unequal: No Solution Exploring Operation: 92-60=32, Resulting Numbers: [32] 32,73 unequal: No Solution Exploring Operation: 92+60=152, Resulting Numbers: [152] 152,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 73:[52, 84], Operations: ['97-5=92', '92-8=84'] Exploring Operation: 52*84=4368, Resulting Numbers: [4368] 4368,73 unequal: No Solution Exploring Operation: 84-52=32, Resulting Numbers: [32] 32,73 unequal: No Solution Exploring Operation: 52+84=136, Resulting Numbers: [136] 136,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 73:[52, 100], Operations: ['97-5=92', '8+92=100'] Exploring Operation: 100-52=48, Resulting Numbers: [48] 48,73 unequal: No Solution Exploring Operation: 52+100=152, Resulting Numbers: [152] 152,73 unequal: No Solution Exploring Operation: 52*100=5200, Resulting Numbers: [5200] 5200,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 73:[92, 44], Operations: ['97-5=92', '52-8=44'] Exploring Operation: 92*44=4048, Resulting Numbers: [4048] 4048,73 unequal: No Solution Exploring Operation: 92+44=136, Resulting Numbers: [136] 136,73 unequal: No Solution Exploring Operation: 92-44=48, Resulting Numbers: [48] 48,73 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: 73:[97, 65], Operations: ['5+52=57', '8+57=65'] Exploring Operation: 97+65=162, Resulting Numbers: [162] 162,73 unequal: No Solution Exploring Operation: 97-65=32, Resulting Numbers: [32] 32,73 unequal: No Solution Exploring Operation: 97*65=6305, Resulting Numbers: [6305] 6305,73 unequal: No Solution Moving to Node #0,1,3 Current State: 73:[57, 89], Operations: ['5+52=57', '97-8=89'] Exploring Operation: 89-57=32, Resulting Numbers: [32] 32,73 unequal: No Solution Exploring Operation: 57+89=146, Resulting Numbers: [146] 146,73 unequal: No Solution Exploring Operation: 57*89=5073, Resulting Numbers: [5073] 5073,73 unequal: No Solution Moving to Node #0,1,2 Current State: 73:[97, 49], Operations: ['5+52=57', '57-8=49'] Exploring Operation: 97+49=146, Resulting Numbers: [146] 146,73 unequal: No Solution Exploring Operation: 97*49=4753, Resulting Numbers: [4753] 4753,73 unequal: No Solution Exploring Operation: 97-49=48, Resulting Numbers: [48] 48,73 unequal: No Solution Moving to Node #0,1,1 Current State: 73:[57, 105], Operations: ['5+52=57', '97+8=105'] Exploring Operation: 105-57=48, Resulting Numbers: [48] 48,73 unequal: No Solution Exploring Operation: 57*105=5985, Resulting Numbers: [5985] 5985,73 unequal: No Solution Exploring Operation: 57+105=162, Resulting Numbers: [162] 162,73 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 91, 77, 38, 42 ]
41
[ "91-77=14", "42/14=3", "38+3=41" ]
Current State: 41:[91, 77, 38, 42], Operations: [] Exploring Operation: 91-77=14, Resulting Numbers: [38, 42, 14] Generated Node #2: [38, 42, 14] from Operation: 91-77=14 Current State: 41:[38, 42, 14], Operations: ['91-77=14'] Exploring Operation: 42/14=3, Resulting Numbers: [38, 3] Generated Node #3: [38, 3] from Operation: 42/14=3 Current State: 41:[38, 3], Operations: ['91-77=14', '42/14=3'] Exploring Operation: 38+3=41, Resulting Numbers: [41] 41,41 equal: Goal Reached
4
Current State: 41:[91, 77, 38, 42], Operations: [] Exploring Operation: 77-38=39, Resulting Numbers: [91, 42, 39] Generated Node #0,0: 41:[91, 42, 39] Operation: 77-38=39 Exploring Operation: 91-42=49, Resulting Numbers: [77, 38, 49] Generated Node #0,1: 41:[77, 38, 49] Operation: 91-42=49 Exploring Operation: 91-77=14, Resulting Numbers: [38, 42, 14] Generated Node #0,2: 41:[38, 42, 14] Operation: 91-77=14 Exploring Operation: 91-38=53, Resulting Numbers: [77, 42, 53] Generated Node #0,3: 41:[77, 42, 53] Operation: 91-38=53 Start Sub Search at level 1: Moving to Node #0,2 Current State: 41:[38, 42, 14], Operations: ['91-77=14'] Exploring Operation: 38-14=24, Resulting Numbers: [42, 24] Generated Node #0,2,0: 41:[42, 24] Operation: 38-14=24 Exploring Operation: 42+14=56, Resulting Numbers: [38, 56] Generated Node #0,2,1: 41:[38, 56] Operation: 42+14=56 Exploring Operation: 38+14=52, Resulting Numbers: [42, 52] Generated Node #0,2,2: 41:[42, 52] Operation: 38+14=52 Exploring Operation: 42-14=28, Resulting Numbers: [38, 28] Generated Node #0,2,3: 41:[38, 28] Operation: 42-14=28 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 41:[42, 52], Operations: ['91-77=14', '38+14=52'] Exploring Operation: 52-42=10, Resulting Numbers: [10] 10,41 unequal: No Solution Exploring Operation: 42+52=94, Resulting Numbers: [94] 94,41 unequal: No Solution Exploring Operation: 42*52=2184, Resulting Numbers: [2184] 2184,41 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 #0,2,3 Current State: 41:[38, 28], Operations: ['91-77=14', '42-14=28'] Exploring Operation: 38+28=66, Resulting Numbers: [66] 66,41 unequal: No Solution Exploring Operation: 38-28=10, Resulting Numbers: [10] 10,41 unequal: No Solution Exploring Operation: 38*28=1064, Resulting Numbers: [1064] 1064,41 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 #0,2,0 Current State: 41:[42, 24], Operations: ['91-77=14', '38-14=24'] Exploring Operation: 42*24=1008, Resulting Numbers: [1008] 1008,41 unequal: No Solution Exploring Operation: 42-24=18, Resulting Numbers: [18] 18,41 unequal: No Solution Exploring Operation: 42+24=66, Resulting Numbers: [66] 66,41 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 #0,2,1 Current State: 41:[38, 56], Operations: ['91-77=14', '42+14=56'] Exploring Operation: 38+56=94, Resulting Numbers: [94] 94,41 unequal: No Solution Exploring Operation: 56-38=18, Resulting Numbers: [18] 18,41 unequal: No Solution Exploring Operation: 38*56=2128, Resulting Numbers: [2128] 2128,41 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:[77, 38, 49], Operations: ['91-42=49'] Exploring Operation: 77-38=39, Resulting Numbers: [49, 39] Generated Node #0,1,0: 41:[49, 39] Operation: 77-38=39 Exploring Operation: 77+38=115, Resulting Numbers: [49, 115] Generated Node #0,1,1: 41:[49, 115] Operation: 77+38=115 Exploring Operation: 49-38=11, Resulting Numbers: [77, 11] Generated Node #0,1,2: 41:[77, 11] Operation: 49-38=11 Exploring Operation: 77-49=28, Resulting Numbers: [38, 28] Generated Node #0,1,3: 41:[38, 28] Operation: 77-49=28 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 41:[49, 39], Operations: ['91-42=49', '77-38=39'] Exploring Operation: 49-39=10, Resulting Numbers: [10] 10,41 unequal: No Solution Exploring Operation: 49*39=1911, Resulting Numbers: [1911] 1911,41 unequal: No Solution Exploring Operation: 49+39=88, Resulting Numbers: [88] 88,41 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 41:[38, 28], Operations: ['91-42=49', '77-49=28'] Exploring Operation: 38+28=66, Resulting Numbers: [66] 66,41 unequal: No Solution Exploring Operation: 38-28=10, Resulting Numbers: [10] 10,41 unequal: No Solution Exploring Operation: 38*28=1064, Resulting Numbers: [1064] 1064,41 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 41:[77, 11], Operations: ['91-42=49', '49-38=11'] Exploring Operation: 77*11=847, Resulting Numbers: [847] 847,41 unequal: No Solution Exploring Operation: 77-11=66, Resulting Numbers: [66] 66,41 unequal: No Solution Exploring Operation: 77+11=88, Resulting Numbers: [88] 88,41 unequal: No Solution Exploring Operation: 77/11=7, Resulting Numbers: [7] 7,41 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 41:[49, 115], Operations: ['91-42=49', '77+38=115'] Exploring Operation: 49*115=5635, Resulting Numbers: [5635] 5635,41 unequal: No Solution Exploring Operation: 49+115=164, Resulting Numbers: [164] 164,41 unequal: No Solution Exploring Operation: 115-49=66, Resulting Numbers: [66] 66,41 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 #0,3 Current State: 41:[77, 42, 53], Operations: ['91-38=53'] Exploring Operation: 77-42=35, Resulting Numbers: [53, 35] Generated Node #0,3,0: 41:[53, 35] Operation: 77-42=35 Exploring Operation: 53-42=11, Resulting Numbers: [77, 11] Generated Node #0,3,1: 41:[77, 11] Operation: 53-42=11 Exploring Operation: 77-53=24, Resulting Numbers: [42, 24] Generated Node #0,3,2: 41:[42, 24] Operation: 77-53=24 Exploring Operation: 77+42=119, Resulting Numbers: [53, 119] Generated Node #0,3,3: 41:[53, 119] Operation: 77+42=119 Moving to Node #0,3,0 Current State: 41:[53, 35], Operations: ['91-38=53', '77-42=35'] Exploring Operation: 53+35=88, Resulting Numbers: [88] 88,41 unequal: No Solution Exploring Operation: 53-35=18, Resulting Numbers: [18] 18,41 unequal: No Solution Exploring Operation: 53*35=1855, Resulting Numbers: [1855] 1855,41 unequal: No Solution Moving to Node #0,3,2 Current State: 41:[42, 24], Operations: ['91-38=53', '77-53=24'] Exploring Operation: 42+24=66, Resulting Numbers: [66] 66,41 unequal: No Solution Exploring Operation: 42*24=1008, Resulting Numbers: [1008] 1008,41 unequal: No Solution Exploring Operation: 42-24=18, Resulting Numbers: [18] 18,41 unequal: No Solution Moving to Node #0,3,1 Current State: 41:[77, 11], Operations: ['91-38=53', '53-42=11'] Exploring Operation: 77+11=88, Resulting Numbers: [88] 88,41 unequal: No Solution Exploring Operation: 77/11=7, Resulting Numbers: [7] 7,41 unequal: No Solution Exploring Operation: 77*11=847, Resulting Numbers: [847] 847,41 unequal: No Solution Exploring Operation: 77-11=66, Resulting Numbers: [66] 66,41 unequal: No Solution Moving to Node #0,3,3 Current State: 41:[53, 119], Operations: ['91-38=53', '77+42=119'] Exploring Operation: 53+119=172, Resulting Numbers: [172] 172,41 unequal: No Solution Exploring Operation: 119-53=66, Resulting Numbers: [66] 66,41 unequal: No Solution Exploring Operation: 53*119=6307, Resulting Numbers: [6307] 6307,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 41:[91, 42, 39], Operations: ['77-38=39'] Exploring Operation: 91-39=52, Resulting Numbers: [42, 52] Generated Node #0,0,0: 41:[42, 52] Operation: 91-39=52 Exploring Operation: 91-42=49, Resulting Numbers: [39, 49] Generated Node #0,0,1: 41:[39, 49] Operation: 91-42=49 Exploring Operation: 42-39=3, Resulting Numbers: [91, 3] Generated Node #0,0,2: 41:[91, 3] Operation: 42-39=3 Exploring Operation: 91+39=130, Resulting Numbers: [42, 130] Generated Node #0,0,3: 41:[42, 130] Operation: 91+39=130 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 41:[39, 49], Operations: ['77-38=39', '91-42=49'] Exploring Operation: 39+49=88, Resulting Numbers: [88] 88,41 unequal: No Solution Exploring Operation: 39*49=1911, Resulting Numbers: [1911] 1911,41 unequal: No Solution Exploring Operation: 49-39=10, Resulting Numbers: [10] 10,41 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 #0,0,0 Current State: 41:[42, 52], Operations: ['77-38=39', '91-39=52'] Exploring Operation: 42*52=2184, Resulting Numbers: [2184] 2184,41 unequal: No Solution Exploring Operation: 52-42=10, Resulting Numbers: [10] 10,41 unequal: No Solution Exploring Operation: 42+52=94, Resulting Numbers: [94] 94,41 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:[91, 3], Operations: ['77-38=39', '42-39=3'] Exploring Operation: 91*3=273, Resulting Numbers: [273] 273,41 unequal: No Solution Exploring Operation: 91-3=88, Resulting Numbers: [88] 88,41 unequal: No Solution Exploring Operation: 91+3=94, Resulting Numbers: [94] 94,41 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:[42, 130], Operations: ['77-38=39', '91+39=130'] Exploring Operation: 130-42=88, Resulting Numbers: [88] 88,41 unequal: No Solution Exploring Operation: 42*130=5460, Resulting Numbers: [5460] 5460,41 unequal: No Solution Exploring Operation: 42+130=172, Resulting Numbers: [172] 172,41 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 No solution found.
0
hs_4
mult_heuristic
[ 8, 72, 4, 91 ]
97
[ "8+4=12", "72/12=6", "91+6=97" ]
Current State: 97:[8, 72, 4, 91], Operations: [] Exploring Operation: 8+4=12, Resulting Numbers: [72, 91, 12] Generated Node #2: [72, 91, 12] from Operation: 8+4=12 Current State: 97:[72, 91, 12], Operations: ['8+4=12'] Exploring Operation: 72/12=6, Resulting Numbers: [91, 6] Generated Node #3: [91, 6] from Operation: 72/12=6 Current State: 97:[91, 6], Operations: ['8+4=12', '72/12=6'] Exploring Operation: 91+6=97, Resulting Numbers: [97] 97,97 equal: Goal Reached
4
Current State: 97:[8, 72, 4, 91], Operations: [] Exploring Operation: 8+4=12, Resulting Numbers: [72, 91, 12] Generated Node #0,0: 97:[72, 91, 12] Operation: 8+4=12 Exploring Operation: 72+4=76, Resulting Numbers: [8, 91, 76] Generated Node #0,1: 97:[8, 91, 76] Operation: 72+4=76 Exploring Operation: 8+72=80, Resulting Numbers: [4, 91, 80] Generated Node #0,2: 97:[4, 91, 80] Operation: 8+72=80 Exploring Operation: 4+91=95, Resulting Numbers: [8, 72, 95] Generated Node #0,3: 97:[8, 72, 95] Operation: 4+91=95 Exploring Operation: 8*4=32, Resulting Numbers: [72, 91, 32] Generated Node #0,4: 97:[72, 91, 32] Operation: 8*4=32 Start Sub Search at level 1: Moving to Node #0,4 Current State: 97:[72, 91, 32], Operations: ['8*4=32'] Exploring Operation: 91-32=59, Resulting Numbers: [72, 59] Generated Node #0,4,0: 97:[72, 59] Operation: 91-32=59 Exploring Operation: 72+91=163, Resulting Numbers: [32, 163] Generated Node #0,4,1: 97:[32, 163] Operation: 72+91=163 Exploring Operation: 72-32=40, Resulting Numbers: [91, 40] Generated Node #0,4,2: 97:[91, 40] Operation: 72-32=40 Exploring Operation: 72+32=104, Resulting Numbers: [91, 104] Generated Node #0,4,3: 97:[91, 104] Operation: 72+32=104 Exploring Operation: 91+32=123, Resulting Numbers: [72, 123] Generated Node #0,4,4: 97:[72, 123] Operation: 91+32=123 Moving to Node #0,4,3 Current State: 97:[91, 104], Operations: ['8*4=32', '72+32=104'] Exploring Operation: 91*104=9464, Resulting Numbers: [9464] 9464,97 unequal: No Solution Exploring Operation: 91+104=195, Resulting Numbers: [195] 195,97 unequal: No Solution Exploring Operation: 104-91=13, Resulting Numbers: [13] 13,97 unequal: No Solution Moving to Node #0,4,4 Current State: 97:[72, 123], Operations: ['8*4=32', '91+32=123'] Exploring Operation: 123-72=51, Resulting Numbers: [51] 51,97 unequal: No Solution Exploring Operation: 72+123=195, Resulting Numbers: [195] 195,97 unequal: No Solution Exploring Operation: 72*123=8856, Resulting Numbers: [8856] 8856,97 unequal: No Solution Moving to Node #0,4,0 Current State: 97:[72, 59], Operations: ['8*4=32', '91-32=59'] Exploring Operation: 72-59=13, Resulting Numbers: [13] 13,97 unequal: No Solution Exploring Operation: 72*59=4248, Resulting Numbers: [4248] 4248,97 unequal: No Solution Exploring Operation: 72+59=131, Resulting Numbers: [131] 131,97 unequal: No Solution Moving to Node #0,4,2 Current State: 97:[91, 40], Operations: ['8*4=32', '72-32=40'] Exploring Operation: 91-40=51, Resulting Numbers: [51] 51,97 unequal: No Solution Exploring Operation: 91*40=3640, Resulting Numbers: [3640] 3640,97 unequal: No Solution Exploring Operation: 91+40=131, Resulting Numbers: [131] 131,97 unequal: No Solution Moving to Node #0,4,1 Current State: 97:[32, 163], Operations: ['8*4=32', '72+91=163'] Exploring Operation: 32+163=195, Resulting Numbers: [195] 195,97 unequal: No Solution Exploring Operation: 163-32=131, Resulting Numbers: [131] 131,97 unequal: No Solution Exploring Operation: 32*163=5216, Resulting Numbers: [5216] 5216,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 97:[72, 91, 12], Operations: ['8+4=12'] Exploring Operation: 91-12=79, Resulting Numbers: [72, 79] Generated Node #0,0,0: 97:[72, 79] Operation: 91-12=79 Exploring Operation: 72+12=84, Resulting Numbers: [91, 84] Generated Node #0,0,1: 97:[91, 84] Operation: 72+12=84 Exploring Operation: 72/12=6, Resulting Numbers: [91, 6] Generated Node #0,0,2: 97:[91, 6] Operation: 72/12=6 Exploring Operation: 91+12=103, Resulting Numbers: [72, 103] Generated Node #0,0,3: 97:[72, 103] Operation: 91+12=103 Exploring Operation: 72-12=60, Resulting Numbers: [91, 60] Generated Node #0,0,4: 97:[91, 60] Operation: 72-12=60 Moving to Node #0,0,1 Current State: 97:[91, 84], Operations: ['8+4=12', '72+12=84'] Exploring Operation: 91-84=7, Resulting Numbers: [7] 7,97 unequal: No Solution Exploring Operation: 91+84=175, Resulting Numbers: [175] 175,97 unequal: No Solution Exploring Operation: 91*84=7644, Resulting Numbers: [7644] 7644,97 unequal: No Solution Moving to Node #0,0,3 Current State: 97:[72, 103], Operations: ['8+4=12', '91+12=103'] Exploring Operation: 72+103=175, Resulting Numbers: [175] 175,97 unequal: No Solution Exploring Operation: 103-72=31, Resulting Numbers: [31] 31,97 unequal: No Solution Exploring Operation: 72*103=7416, Resulting Numbers: [7416] 7416,97 unequal: No Solution Moving to Node #0,0,0 Current State: 97:[72, 79], Operations: ['8+4=12', '91-12=79'] Exploring Operation: 72*79=5688, Resulting Numbers: [5688] 5688,97 unequal: No Solution Exploring Operation: 72+79=151, Resulting Numbers: [151] 151,97 unequal: No Solution Exploring Operation: 79-72=7, Resulting Numbers: [7] 7,97 unequal: No Solution Moving to Node #0,0,4 Current State: 97:[91, 60], Operations: ['8+4=12', '72-12=60'] Exploring Operation: 91+60=151, Resulting Numbers: [151] 151,97 unequal: No Solution Exploring Operation: 91*60=5460, Resulting Numbers: [5460] 5460,97 unequal: No Solution Exploring Operation: 91-60=31, Resulting Numbers: [31] 31,97 unequal: No Solution Moving to Node #0,0,2 Current State: 97:[91, 6], Operations: ['8+4=12', '72/12=6'] Exploring Operation: 91*6=546, Resulting Numbers: [546] 546,97 unequal: No Solution Exploring Operation: 91+6=97, Resulting Numbers: [97] 97,97 equal: Goal Reached Moving to Node #0 Current State: 97:[8, 72, 4, 91], Operations: [] Exploring Operation: 8+4=12, Resulting Numbers: [72, 91, 12] Generated Node #0,0: 97:[72, 91, 12] Operation: 8+4=12 Moving to Node #0,0 Current State: 97:[72, 91, 12], Operations: ['8+4=12'] Exploring Operation: 72/12=6, Resulting Numbers: [91, 6] Generated Node #0,0,2: 97:[91, 6] Operation: 72/12=6 Moving to Node #0,0,2 Current State: 97:[91, 6], Operations: ['8+4=12', '72/12=6'] Exploring Operation: 91+6=97, Resulting Numbers: [97] 97,97 equal: Goal Reached Exit Sub Search at level 1
0.958333
hs_5
sum_heuristic
[ 58, 2, 10, 85 ]
21
[ "58*2=116", "10+85=95", "116-95=21" ]
Current State: 21:[58, 2, 10, 85], Operations: [] Exploring Operation: 58*2=116, Resulting Numbers: [10, 85, 116] Generated Node #2: [10, 85, 116] from Operation: 58*2=116 Current State: 21:[10, 85, 116], Operations: ['58*2=116'] Exploring Operation: 10+85=95, Resulting Numbers: [116, 95] Generated Node #3: [116, 95] from Operation: 10+85=95 Current State: 21:[116, 95], Operations: ['58*2=116', '10+85=95'] Exploring Operation: 116-95=21, Resulting Numbers: [21] 21,21 equal: Goal Reached
4
Current State: 21:[58, 2, 10, 85], Operations: [] Exploring Operation: 58-10=48, Resulting Numbers: [2, 85, 48] Generated Node #0,0: 21:[2, 85, 48] Operation: 58-10=48 Exploring Operation: 85-10=75, Resulting Numbers: [58, 2, 75] Generated Node #0,1: 21:[58, 2, 75] Operation: 85-10=75 Exploring Operation: 85-58=27, Resulting Numbers: [2, 10, 27] Generated Node #0,2: 21:[2, 10, 27] Operation: 85-58=27 Exploring Operation: 58/2=29, Resulting Numbers: [10, 85, 29] Generated Node #0,3: 21:[10, 85, 29] Operation: 58/2=29 Moving to Node #0,2 Current State: 21:[2, 10, 27], Operations: ['85-58=27'] Exploring Operation: 10-2=8, Resulting Numbers: [27, 8] Generated Node #0,2,0: 21:[27, 8] Operation: 10-2=8 Exploring Operation: 27-2=25, Resulting Numbers: [10, 25] Generated Node #0,2,1: 21:[10, 25] Operation: 27-2=25 Exploring Operation: 2*10=20, Resulting Numbers: [27, 20] Generated Node #0,2,2: 21:[27, 20] Operation: 2*10=20 Exploring Operation: 27-10=17, Resulting Numbers: [2, 17] Generated Node #0,2,3: 21:[2, 17] Operation: 27-10=17 Moving to Node #0,3 Current State: 21:[10, 85, 29], Operations: ['58/2=29'] Exploring Operation: 85-10=75, Resulting Numbers: [29, 75] Generated Node #0,3,0: 21:[29, 75] Operation: 85-10=75 Exploring Operation: 85-29=56, Resulting Numbers: [10, 56] Generated Node #0,3,1: 21:[10, 56] Operation: 85-29=56 Exploring Operation: 10+85=95, Resulting Numbers: [29, 95] Generated Node #0,3,2: 21:[29, 95] Operation: 10+85=95 Exploring Operation: 29-10=19, Resulting Numbers: [85, 19] Generated Node #0,3,3: 21:[85, 19] Operation: 29-10=19 Moving to Node #0,1 Current State: 21:[58, 2, 75], Operations: ['85-10=75'] Exploring Operation: 75-2=73, Resulting Numbers: [58, 73] Generated Node #0,1,0: 21:[58, 73] Operation: 75-2=73 Exploring Operation: 58-2=56, Resulting Numbers: [75, 56] Generated Node #0,1,1: 21:[75, 56] Operation: 58-2=56 Exploring Operation: 75-58=17, Resulting Numbers: [2, 17] Generated Node #0,1,2: 21:[2, 17] Operation: 75-58=17 Exploring Operation: 58/2=29, Resulting Numbers: [75, 29] Generated Node #0,1,3: 21:[75, 29] Operation: 58/2=29 Moving to Node #0,0 Current State: 21:[2, 85, 48], Operations: ['58-10=48'] Exploring Operation: 48/2=24, Resulting Numbers: [85, 24] Generated Node #0,0,0: 21:[85, 24] Operation: 48/2=24 Exploring Operation: 48-2=46, Resulting Numbers: [85, 46] Generated Node #0,0,1: 21:[85, 46] Operation: 48-2=46 Exploring Operation: 85-2=83, Resulting Numbers: [48, 83] Generated Node #0,0,2: 21:[48, 83] Operation: 85-2=83 Exploring Operation: 85-48=37, Resulting Numbers: [2, 37] Generated Node #0,0,3: 21:[2, 37] Operation: 85-48=37 Moving to Node #0,2,3 Current State: 21:[2, 17], Operations: ['85-58=27', '27-10=17'] Exploring Operation: 2*17=34, Resulting Numbers: [34] 34,21 unequal: No Solution Exploring Operation: 17-2=15, Resulting Numbers: [15] 15,21 unequal: No Solution Exploring Operation: 2+17=19, Resulting Numbers: [19] 19,21 unequal: No Solution Moving to Node #0,1,2 Current State: 21:[2, 17], Operations: ['85-10=75', '75-58=17'] Exploring Operation: 2*17=34, Resulting Numbers: [34] 34,21 unequal: No Solution Exploring Operation: 2+17=19, Resulting Numbers: [19] 19,21 unequal: No Solution Exploring Operation: 17-2=15, Resulting Numbers: [15] 15,21 unequal: No Solution Moving to Node #0,2,1 Current State: 21:[10, 25], Operations: ['85-58=27', '27-2=25'] Exploring Operation: 25-10=15, Resulting Numbers: [15] 15,21 unequal: No Solution Exploring Operation: 10*25=250, Resulting Numbers: [250] 250,21 unequal: No Solution Exploring Operation: 10+25=35, Resulting Numbers: [35] 35,21 unequal: No Solution Moving to Node #0,2,0 Current State: 21:[27, 8], Operations: ['85-58=27', '10-2=8'] Exploring Operation: 27*8=216, Resulting Numbers: [216] 216,21 unequal: No Solution Exploring Operation: 27+8=35, Resulting Numbers: [35] 35,21 unequal: No Solution Exploring Operation: 27-8=19, Resulting Numbers: [19] 19,21 unequal: No Solution Moving to Node #0,2,2 Current State: 21:[27, 20], Operations: ['85-58=27', '2*10=20'] Exploring Operation: 27*20=540, Resulting Numbers: [540] 540,21 unequal: No Solution Exploring Operation: 27-20=7, Resulting Numbers: [7] 7,21 unequal: No Solution Exploring Operation: 27+20=47, Resulting Numbers: [47] 47,21 unequal: No Solution Moving to Node #0,0,3 Current State: 21:[2, 37], Operations: ['58-10=48', '85-48=37'] Exploring Operation: 37-2=35, Resulting Numbers: [35] 35,21 unequal: No Solution Exploring Operation: 2*37=74, Resulting Numbers: [74] 74,21 unequal: No Solution Exploring Operation: 2+37=39, Resulting Numbers: [39] 39,21 unequal: No Solution Moving to Node #0,3,1 Current State: 21:[10, 56], Operations: ['58/2=29', '85-29=56'] Exploring Operation: 56-10=46, Resulting Numbers: [46] 46,21 unequal: No Solution Exploring Operation: 10*56=560, Resulting Numbers: [560] 560,21 unequal: No Solution Exploring Operation: 10+56=66, Resulting Numbers: [66] 66,21 unequal: No Solution Moving to Node #0,3,0 Current State: 21:[29, 75], Operations: ['58/2=29', '85-10=75'] Exploring Operation: 75-29=46, Resulting Numbers: [46] 46,21 unequal: No Solution Exploring Operation: 29*75=2175, Resulting Numbers: [2175] 2175,21 unequal: No Solution Exploring Operation: 29+75=104, Resulting Numbers: [104] 104,21 unequal: No Solution Moving to Node #0,1,3 Current State: 21:[75, 29], Operations: ['85-10=75', '58/2=29'] Exploring Operation: 75+29=104, Resulting Numbers: [104] 104,21 unequal: No Solution Exploring Operation: 75*29=2175, Resulting Numbers: [2175] 2175,21 unequal: No Solution Exploring Operation: 75-29=46, Resulting Numbers: [46] 46,21 unequal: No Solution Moving to Node #0,3,3 Current State: 21:[85, 19], Operations: ['58/2=29', '29-10=19'] Exploring Operation: 85-19=66, Resulting Numbers: [66] 66,21 unequal: No Solution Exploring Operation: 85+19=104, Resulting Numbers: [104] 104,21 unequal: No Solution Exploring Operation: 85*19=1615, Resulting Numbers: [1615] 1615,21 unequal: No Solution Moving to Node #0,0,0 Current State: 21:[85, 24], Operations: ['58-10=48', '48/2=24'] Exploring Operation: 85*24=2040, Resulting Numbers: [2040] 2040,21 unequal: No Solution Exploring Operation: 85+24=109, Resulting Numbers: [109] 109,21 unequal: No Solution Exploring Operation: 85-24=61, Resulting Numbers: [61] 61,21 unequal: No Solution Moving to Node #0,3,2 Current State: 21:[29, 95], Operations: ['58/2=29', '10+85=95'] Exploring Operation: 95-29=66, Resulting Numbers: [66] 66,21 unequal: No Solution Exploring Operation: 29*95=2755, Resulting Numbers: [2755] 2755,21 unequal: No Solution Exploring Operation: 29+95=124, Resulting Numbers: [124] 124,21 unequal: No Solution Moving to Node #0,1,0 Current State: 21:[58, 73], Operations: ['85-10=75', '75-2=73'] Exploring Operation: 58+73=131, Resulting Numbers: [131] 131,21 unequal: No Solution Exploring Operation: 73-58=15, Resulting Numbers: [15] 15,21 unequal: No Solution Exploring Operation: 58*73=4234, Resulting Numbers: [4234] 4234,21 unequal: No Solution Moving to Node #0,1,1 Current State: 21:[75, 56], Operations: ['85-10=75', '58-2=56'] Exploring Operation: 75+56=131, Resulting Numbers: [131] 131,21 unequal: No Solution Exploring Operation: 75-56=19, Resulting Numbers: [19] 19,21 unequal: No Solution Exploring Operation: 75*56=4200, Resulting Numbers: [4200] 4200,21 unequal: No Solution Moving to Node #0,0,1 Current State: 21:[85, 46], Operations: ['58-10=48', '48-2=46'] Exploring Operation: 85*46=3910, Resulting Numbers: [3910] 3910,21 unequal: No Solution Exploring Operation: 85-46=39, Resulting Numbers: [39] 39,21 unequal: No Solution Exploring Operation: 85+46=131, Resulting Numbers: [131] 131,21 unequal: No Solution Moving to Node #0,0,2 Current State: 21:[48, 83], Operations: ['58-10=48', '85-2=83'] Exploring Operation: 48*83=3984, Resulting Numbers: [3984] 3984,21 unequal: No Solution Exploring Operation: 83-48=35, Resulting Numbers: [35] 35,21 unequal: No Solution Exploring Operation: 48+83=131, Resulting Numbers: [131] 131,21 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 46, 30, 43, 71 ]
81
[ "46-43=3", "30/3=10", "71+10=81" ]
Current State: 81:[46, 30, 43, 71], Operations: [] Exploring Operation: 46-43=3, Resulting Numbers: [30, 71, 3] Generated Node #2: [30, 71, 3] from Operation: 46-43=3 Current State: 81:[30, 71, 3], Operations: ['46-43=3'] Exploring Operation: 30/3=10, Resulting Numbers: [71, 10] Generated Node #3: [71, 10] from Operation: 30/3=10 Current State: 81:[71, 10], Operations: ['46-43=3', '30/3=10'] Exploring Operation: 71+10=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[46, 30, 43, 71], Operations: [] Exploring Operation: 71-46=25, Resulting Numbers: [30, 43, 25] Generated Node #0,0: 81:[30, 43, 25] Operation: 71-46=25 Exploring Operation: 46+43=89, Resulting Numbers: [30, 71, 89] Generated Node #0,1: 81:[30, 71, 89] Operation: 46+43=89 Exploring Operation: 46-43=3, Resulting Numbers: [30, 71, 3] Generated Node #0,2: 81:[30, 71, 3] Operation: 46-43=3 Moving to Node #0,2 Current State: 81:[30, 71, 3], Operations: ['46-43=3'] Exploring Operation: 30-3=27, Resulting Numbers: [71, 27] Generated Node #0,2,0: 81:[71, 27] Operation: 30-3=27 Exploring Operation: 71+3=74, Resulting Numbers: [30, 74] Generated Node #0,2,1: 81:[30, 74] Operation: 71+3=74 Exploring Operation: 30/3=10, Resulting Numbers: [71, 10] Generated Node #0,2,2: 81:[71, 10] Operation: 30/3=10 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 81:[71, 27], Operations: ['46-43=3', '30-3=27'] Exploring Operation: 71+27=98, Resulting Numbers: [98] 98,81 unequal: No Solution Exploring Operation: 71*27=1917, Resulting Numbers: [1917] 1917,81 unequal: No Solution Exploring Operation: 71-27=44, Resulting Numbers: [44] 44,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 81:[30, 74], Operations: ['46-43=3', '71+3=74'] Exploring Operation: 74-30=44, Resulting Numbers: [44] 44,81 unequal: No Solution Exploring Operation: 30*74=2220, Resulting Numbers: [2220] 2220,81 unequal: No Solution Exploring Operation: 30+74=104, Resulting Numbers: [104] 104,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 81:[71, 10], Operations: ['46-43=3', '30/3=10'] Exploring Operation: 71+10=81, Resulting Numbers: [81] 81,81 equal: Goal Reached Moving to Node #0 Current State: 81:[46, 30, 43, 71], Operations: [] Exploring Operation: 46-43=3, Resulting Numbers: [30, 71, 3] Generated Node #0,2: 81:[30, 71, 3] Operation: 46-43=3 Moving to Node #0,2 Current State: 81:[30, 71, 3], Operations: ['46-43=3'] Exploring Operation: 30/3=10, Resulting Numbers: [71, 10] Generated Node #0,2,2: 81:[71, 10] Operation: 30/3=10 Moving to Node #0,2,2 Current State: 81:[71, 10], Operations: ['46-43=3', '30/3=10'] Exploring Operation: 71+10=81, Resulting Numbers: [81] 81,81 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_3
mult_heuristic
[ 54, 37, 54, 25 ]
13
[ "54/54=1", "37-25=12", "1+12=13" ]
Current State: 13:[54, 37, 54, 25], Operations: [] Exploring Operation: 54/54=1, Resulting Numbers: [37, 25, 1] Generated Node #2: [37, 25, 1] from Operation: 54/54=1 Current State: 13:[37, 25, 1], Operations: ['54/54=1'] Exploring Operation: 37-25=12, Resulting Numbers: [1, 12] Generated Node #3: [1, 12] from Operation: 37-25=12 Current State: 13:[1, 12], Operations: ['54/54=1', '37-25=12'] Exploring Operation: 1+12=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
4
Current State: 13:[54, 37, 54, 25], Operations: [] Exploring Operation: 54-37=17, Resulting Numbers: [54, 25, 17] Generated Node #0,0: 13:[54, 25, 17] Operation: 54-37=17 Exploring Operation: 54/54=1, Resulting Numbers: [37, 25, 1] Generated Node #0,1: 13:[37, 25, 1] Operation: 54/54=1 Exploring Operation: 54-54=0, Resulting Numbers: [37, 25, 0] Generated Node #0,2: 13:[37, 25, 0] Operation: 54-54=0 Start Sub Search at level 1: Moving to Node #0,1 Current State: 13:[37, 25, 1], Operations: ['54/54=1'] Exploring Operation: 25-1=24, Resulting Numbers: [37, 24] Generated Node #0,1,0: 13:[37, 24] Operation: 25-1=24 Exploring Operation: 37-1=36, Resulting Numbers: [25, 36] Generated Node #0,1,1: 13:[25, 36] Operation: 37-1=36 Exploring Operation: 37-25=12, Resulting Numbers: [1, 12] Generated Node #0,1,2: 13:[1, 12] Operation: 37-25=12 Moving to Node #0,1,2 Current State: 13:[1, 12], Operations: ['54/54=1', '37-25=12'] Exploring Operation: 12/1=12, Resulting Numbers: [12] 12,13 unequal: No Solution Exploring Operation: 1*12=12, Resulting Numbers: [12] 12,13 unequal: No Solution Exploring Operation: 1+12=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Moving to Node #0 Current State: 13:[54, 37, 54, 25], Operations: [] Exploring Operation: 54/54=1, Resulting Numbers: [37, 25, 1] Generated Node #0,1: 13:[37, 25, 1] Operation: 54/54=1 Moving to Node #0,1 Current State: 13:[37, 25, 1], Operations: ['54/54=1'] Exploring Operation: 37-25=12, Resulting Numbers: [1, 12] Generated Node #0,1,2: 13:[1, 12] Operation: 37-25=12 Moving to Node #0,1,2 Current State: 13:[1, 12], Operations: ['54/54=1', '37-25=12'] Exploring Operation: 1+12=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_3
mult_heuristic
[ 95, 7, 99, 86 ]
89
[ "95+7=102", "99-86=13", "102-13=89" ]
Current State: 89:[95, 7, 99, 86], Operations: [] Exploring Operation: 95+7=102, Resulting Numbers: [99, 86, 102] Generated Node #2: [99, 86, 102] from Operation: 95+7=102 Current State: 89:[99, 86, 102], Operations: ['95+7=102'] Exploring Operation: 99-86=13, Resulting Numbers: [102, 13] Generated Node #3: [102, 13] from Operation: 99-86=13 Current State: 89:[102, 13], Operations: ['95+7=102', '99-86=13'] Exploring Operation: 102-13=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
4
Current State: 89:[95, 7, 99, 86], Operations: [] Exploring Operation: 99-7=92, Resulting Numbers: [95, 86, 92] Generated Node #0,0: 89:[95, 86, 92] Operation: 99-7=92 Moving to Node #0,0 Current State: 89:[95, 86, 92], Operations: ['99-7=92'] Exploring Operation: 95-86=9, Resulting Numbers: [92, 9] Generated Node #0,0,0: 89:[92, 9] Operation: 95-86=9 Moving to Node #0,0,0 Current State: 89:[92, 9], Operations: ['99-7=92', '95-86=9'] Exploring Operation: 92-9=83, Resulting Numbers: [83] 83,89 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 54, 63, 5, 22 ]
71
[ "63+22=85", "85/5=17", "54+17=71" ]
Current State: 71:[54, 63, 5, 22], Operations: [] Exploring Operation: 63+22=85, Resulting Numbers: [54, 5, 85] Generated Node #2: [54, 5, 85] from Operation: 63+22=85 Current State: 71:[54, 5, 85], Operations: ['63+22=85'] Exploring Operation: 85/5=17, Resulting Numbers: [54, 17] Generated Node #3: [54, 17] from Operation: 85/5=17 Current State: 71:[54, 17], Operations: ['63+22=85', '85/5=17'] Exploring Operation: 54+17=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
4
Current State: 71:[54, 63, 5, 22], Operations: [] Exploring Operation: 5*22=110, Resulting Numbers: [54, 63, 110] Generated Node #0,0: 71:[54, 63, 110] Operation: 5*22=110 Start Sub Search at level 1: Moving to Node #0,0 Current State: 71:[54, 63, 110], Operations: ['5*22=110'] Exploring Operation: 110-54=56, Resulting Numbers: [63, 56] Generated Node #0,0,0: 71:[63, 56] Operation: 110-54=56 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 71:[63, 56], Operations: ['5*22=110', '110-54=56'] Exploring Operation: 63+56=119, Resulting Numbers: [119] 119,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 98, 21, 91, 65 ]
93
[ "98+21=119", "91-65=26", "119-26=93" ]
Current State: 93:[98, 21, 91, 65], Operations: [] Exploring Operation: 98+21=119, Resulting Numbers: [91, 65, 119] Generated Node #2: [91, 65, 119] from Operation: 98+21=119 Current State: 93:[91, 65, 119], Operations: ['98+21=119'] Exploring Operation: 91-65=26, Resulting Numbers: [119, 26] Generated Node #3: [119, 26] from Operation: 91-65=26 Current State: 93:[119, 26], Operations: ['98+21=119', '91-65=26'] Exploring Operation: 119-26=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
4
Current State: 93:[98, 21, 91, 65], Operations: [] Exploring Operation: 98-65=33, Resulting Numbers: [21, 91, 33] Generated Node #0,0: 93:[21, 91, 33] Operation: 98-65=33 Exploring Operation: 21+65=86, Resulting Numbers: [98, 91, 86] Generated Node #0,1: 93:[98, 91, 86] Operation: 21+65=86 Moving to Node #0,0 Current State: 93:[21, 91, 33], Operations: ['98-65=33'] Exploring Operation: 21+91=112, Resulting Numbers: [33, 112] Generated Node #0,0,0: 93:[33, 112] Operation: 21+91=112 Exploring Operation: 33-21=12, Resulting Numbers: [91, 12] Generated Node #0,0,1: 93:[91, 12] Operation: 33-21=12 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 93:[91, 12], Operations: ['98-65=33', '33-21=12'] Exploring Operation: 91+12=103, Resulting Numbers: [103] 103,93 unequal: No Solution Exploring Operation: 91-12=79, Resulting Numbers: [79] 79,93 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:[33, 112], Operations: ['98-65=33', '21+91=112'] Exploring Operation: 112-33=79, Resulting Numbers: [79] 79,93 unequal: No Solution Exploring Operation: 33+112=145, Resulting Numbers: [145] 145,93 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: 93:[98, 91, 86], Operations: ['21+65=86'] Exploring Operation: 91-86=5, Resulting Numbers: [98, 5] Generated Node #0,1,0: 93:[98, 5] Operation: 91-86=5 Exploring Operation: 98-91=7, Resulting Numbers: [86, 7] Generated Node #0,1,1: 93:[86, 7] Operation: 98-91=7 Moving to Node #0,1,0 Current State: 93:[98, 5], Operations: ['21+65=86', '91-86=5'] Exploring Operation: 98-5=93, Resulting Numbers: [93] 93,93 equal: Goal Reached Moving to Node #0 Current State: 93:[98, 21, 91, 65], Operations: [] Exploring Operation: 21+65=86, Resulting Numbers: [98, 91, 86] Generated Node #0,1: 93:[98, 91, 86] Operation: 21+65=86 Moving to Node #0,1 Current State: 93:[98, 91, 86], Operations: ['21+65=86'] Exploring Operation: 91-86=5, Resulting Numbers: [98, 5] Generated Node #0,1,0: 93:[98, 5] Operation: 91-86=5 Moving to Node #0,1,0 Current State: 93:[98, 5], Operations: ['21+65=86', '91-86=5'] Exploring Operation: 98-5=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
0.986979
hs_2
mult_heuristic
[ 81, 57, 14, 95 ]
57
[ "81+57=138", "95-14=81", "138-81=57" ]
Current State: 57:[81, 57, 14, 95], Operations: [] Exploring Operation: 81+57=138, Resulting Numbers: [14, 95, 138] Generated Node #2: [14, 95, 138] from Operation: 81+57=138 Current State: 57:[14, 95, 138], Operations: ['81+57=138'] Exploring Operation: 95-14=81, Resulting Numbers: [138, 81] Generated Node #3: [138, 81] from Operation: 95-14=81 Current State: 57:[138, 81], Operations: ['81+57=138', '95-14=81'] Exploring Operation: 138-81=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
4
Current State: 57:[81, 57, 14, 95], Operations: [] Exploring Operation: 95-57=38, Resulting Numbers: [81, 14, 38] Generated Node #0,0: 57:[81, 14, 38] Operation: 95-57=38 Exploring Operation: 81-14=67, Resulting Numbers: [57, 95, 67] Generated Node #0,1: 57:[57, 95, 67] Operation: 81-14=67 Exploring Operation: 95-81=14, Resulting Numbers: [57, 14, 14] Generated Node #0,2: 57:[57, 14, 14] Operation: 95-81=14 Exploring Operation: 95-14=81, Resulting Numbers: [81, 57, 81] Generated Node #0,3: 57:[81, 57, 81] Operation: 95-14=81 Exploring Operation: 81-57=24, Resulting Numbers: [14, 95, 24] Generated Node #0,4: 57:[14, 95, 24] Operation: 81-57=24 Moving to Node #0,2 Current State: 57:[57, 14, 14], Operations: ['95-81=14'] Exploring Operation: 14-14=0, Resulting Numbers: [57, 0] Generated Node #0,2,0: 57:[57, 0] Operation: 14-14=0 Exploring Operation: 57+14=71, Resulting Numbers: [14, 71] Generated Node #0,2,1: 57:[14, 71] Operation: 57+14=71 Exploring Operation: 14+14=28, Resulting Numbers: [57, 28] Generated Node #0,2,2: 57:[57, 28] Operation: 14+14=28 Exploring Operation: 57-14=43, Resulting Numbers: [14, 43] Generated Node #0,2,3: 57:[14, 43] Operation: 57-14=43 Exploring Operation: 14/14=1, Resulting Numbers: [57, 1] Generated Node #0,2,4: 57:[57, 1] Operation: 14/14=1 Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 57:[57, 1], Operations: ['95-81=14', '14/14=1'] Exploring Operation: 57-1=56, Resulting Numbers: [56] 56,57 unequal: No Solution Exploring Operation: 57/1=57, Resulting Numbers: [57] 57,57 equal: Goal Reached Moving to Node #0 Current State: 57:[81, 57, 14, 95], Operations: [] Exploring Operation: 95-81=14, Resulting Numbers: [57, 14, 14] Generated Node #0,2: 57:[57, 14, 14] Operation: 95-81=14 Moving to Node #0,2 Current State: 57:[57, 14, 14], Operations: ['95-81=14'] Exploring Operation: 14/14=1, Resulting Numbers: [57, 1] Generated Node #0,2,4: 57:[57, 1] Operation: 14/14=1 Moving to Node #0,2,4 Current State: 57:[57, 1], Operations: ['95-81=14', '14/14=1'] Exploring Operation: 57/1=57, Resulting Numbers: [57] 57,57 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_5
mult_heuristic
[ 75, 32, 53, 78 ]
82
[ "75+32=107", "78-53=25", "107-25=82" ]
Current State: 82:[75, 32, 53, 78], Operations: [] Exploring Operation: 75+32=107, Resulting Numbers: [53, 78, 107] Generated Node #2: [53, 78, 107] from Operation: 75+32=107 Current State: 82:[53, 78, 107], Operations: ['75+32=107'] Exploring Operation: 78-53=25, Resulting Numbers: [107, 25] Generated Node #3: [107, 25] from Operation: 78-53=25 Current State: 82:[107, 25], Operations: ['75+32=107', '78-53=25'] Exploring Operation: 107-25=82, Resulting Numbers: [82] 82,82 equal: Goal Reached
4
Current State: 82:[75, 32, 53, 78], Operations: [] Exploring Operation: 75-32=43, Resulting Numbers: [53, 78, 43] Generated Node #0,0: 82:[53, 78, 43] Operation: 75-32=43 Exploring Operation: 32+53=85, Resulting Numbers: [75, 78, 85] Generated Node #0,1: 82:[75, 78, 85] Operation: 32+53=85 Exploring Operation: 78-32=46, Resulting Numbers: [75, 53, 46] Generated Node #0,2: 82:[75, 53, 46] Operation: 78-32=46 Exploring Operation: 78-75=3, Resulting Numbers: [32, 53, 3] Generated Node #0,3: 82:[32, 53, 3] Operation: 78-75=3 Start Sub Search at level 1: Moving to Node #0,1 Current State: 82:[75, 78, 85], Operations: ['32+53=85'] Exploring Operation: 78-75=3, Resulting Numbers: [85, 3] Generated Node #0,1,0: 82:[85, 3] Operation: 78-75=3 Exploring Operation: 85-78=7, Resulting Numbers: [75, 7] Generated Node #0,1,1: 82:[75, 7] Operation: 85-78=7 Exploring Operation: 75+78=153, Resulting Numbers: [85, 153] Generated Node #0,1,2: 82:[85, 153] Operation: 75+78=153 Exploring Operation: 85-75=10, Resulting Numbers: [78, 10] Generated Node #0,1,3: 82:[78, 10] Operation: 85-75=10 Moving to Node #0,1,0 Current State: 82:[85, 3], Operations: ['32+53=85', '78-75=3'] Exploring Operation: 85*3=255, Resulting Numbers: [255] 255,82 unequal: No Solution Exploring Operation: 85+3=88, Resulting Numbers: [88] 88,82 unequal: No Solution Exploring Operation: 85-3=82, Resulting Numbers: [82] 82,82 equal: Goal Reached Moving to Node #0 Current State: 82:[75, 32, 53, 78], Operations: [] Exploring Operation: 32+53=85, Resulting Numbers: [75, 78, 85] Generated Node #0,1: 82:[75, 78, 85] Operation: 32+53=85 Moving to Node #0,1 Current State: 82:[75, 78, 85], Operations: ['32+53=85'] Exploring Operation: 78-75=3, Resulting Numbers: [85, 3] Generated Node #0,1,0: 82:[85, 3] Operation: 78-75=3 Moving to Node #0,1,0 Current State: 82:[85, 3], Operations: ['32+53=85', '78-75=3'] Exploring Operation: 85-3=82, Resulting Numbers: [82] 82,82 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_4
sum_heuristic
[ 25, 34, 50, 58 ]
51
[ "25+34=59", "58-50=8", "59-8=51" ]
Current State: 51:[25, 34, 50, 58], Operations: [] Exploring Operation: 25+34=59, Resulting Numbers: [50, 58, 59] Generated Node #2: [50, 58, 59] from Operation: 25+34=59 Current State: 51:[50, 58, 59], Operations: ['25+34=59'] Exploring Operation: 58-50=8, Resulting Numbers: [59, 8] Generated Node #3: [59, 8] from Operation: 58-50=8 Current State: 51:[59, 8], Operations: ['25+34=59', '58-50=8'] Exploring Operation: 59-8=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[25, 34, 50, 58], Operations: [] Exploring Operation: 34-25=9, Resulting Numbers: [50, 58, 9] Generated Node #0,0: 51:[50, 58, 9] Operation: 34-25=9 Exploring Operation: 25+34=59, Resulting Numbers: [50, 58, 59] Generated Node #0,1: 51:[50, 58, 59] Operation: 25+34=59 Start Sub Search at level 1: Moving to Node #0,0 Current State: 51:[50, 58, 9], Operations: ['34-25=9'] Exploring Operation: 58-50=8, Resulting Numbers: [9, 8] Generated Node #0,0,0: 51:[9, 8] Operation: 58-50=8 Exploring Operation: 58-9=49, Resulting Numbers: [50, 49] Generated Node #0,0,1: 51:[50, 49] Operation: 58-9=49 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 51:[50, 49], Operations: ['34-25=9', '58-9=49'] Exploring Operation: 50+49=99, Resulting Numbers: [99] 99,51 unequal: No Solution Exploring Operation: 50-49=1, Resulting Numbers: [1] 1,51 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 51:[9, 8], Operations: ['34-25=9', '58-50=8'] Exploring Operation: 9-8=1, Resulting Numbers: [1] 1,51 unequal: No Solution Exploring Operation: 9+8=17, Resulting Numbers: [17] 17,51 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 51:[50, 58, 59], Operations: ['25+34=59'] Exploring Operation: 58-50=8, Resulting Numbers: [59, 8] Generated Node #0,1,0: 51:[59, 8] Operation: 58-50=8 Exploring Operation: 59-58=1, Resulting Numbers: [50, 1] Generated Node #0,1,1: 51:[50, 1] Operation: 59-58=1 Moving to Node #0,1,1 Current State: 51:[50, 1], Operations: ['25+34=59', '59-58=1'] Exploring Operation: 50*1=50, Resulting Numbers: [50] 50,51 unequal: No Solution Exploring Operation: 50+1=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Moving to Node #0 Current State: 51:[25, 34, 50, 58], Operations: [] Exploring Operation: 25+34=59, Resulting Numbers: [50, 58, 59] Generated Node #0,1: 51:[50, 58, 59] Operation: 25+34=59 Moving to Node #0,1 Current State: 51:[50, 58, 59], Operations: ['25+34=59'] Exploring Operation: 59-58=1, Resulting Numbers: [50, 1] Generated Node #0,1,1: 51:[50, 1] Operation: 59-58=1 Moving to Node #0,1,1 Current State: 51:[50, 1], Operations: ['25+34=59', '59-58=1'] Exploring Operation: 50+1=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_2
sum_heuristic
[ 39, 41, 5, 23 ]
69
[ "41-39=2", "5-2=3", "23*3=69" ]
Current State: 69:[39, 41, 5, 23], Operations: [] Exploring Operation: 41-39=2, Resulting Numbers: [5, 23, 2] Generated Node #2: [5, 23, 2] from Operation: 41-39=2 Current State: 69:[5, 23, 2], Operations: ['41-39=2'] Exploring Operation: 5-2=3, Resulting Numbers: [23, 3] Generated Node #3: [23, 3] from Operation: 5-2=3 Current State: 69:[23, 3], Operations: ['41-39=2', '5-2=3'] Exploring Operation: 23*3=69, Resulting Numbers: [69] 69,69 equal: Goal Reached
4
Current State: 69:[39, 41, 5, 23], Operations: [] Exploring Operation: 41+23=64, Resulting Numbers: [39, 5, 64] Generated Node #0,0: 69:[39, 5, 64] Operation: 41+23=64 Exploring Operation: 39+41=80, Resulting Numbers: [5, 23, 80] Generated Node #0,1: 69:[5, 23, 80] Operation: 39+41=80 Exploring Operation: 41-23=18, Resulting Numbers: [39, 5, 18] Generated Node #0,2: 69:[39, 5, 18] Operation: 41-23=18 Exploring Operation: 41-39=2, Resulting Numbers: [5, 23, 2] Generated Node #0,3: 69:[5, 23, 2] Operation: 41-39=2 Start Sub Search at level 1: Moving to Node #0,3 Current State: 69:[5, 23, 2], Operations: ['41-39=2'] Exploring Operation: 23+2=25, Resulting Numbers: [5, 25] Generated Node #0,3,0: 69:[5, 25] Operation: 23+2=25 Exploring Operation: 5+2=7, Resulting Numbers: [23, 7] Generated Node #0,3,1: 69:[23, 7] Operation: 5+2=7 Exploring Operation: 23-2=21, Resulting Numbers: [5, 21] Generated Node #0,3,2: 69:[5, 21] Operation: 23-2=21 Exploring Operation: 5-2=3, Resulting Numbers: [23, 3] Generated Node #0,3,3: 69:[23, 3] Operation: 5-2=3 Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 69:[23, 3], Operations: ['41-39=2', '5-2=3'] Exploring Operation: 23-3=20, Resulting Numbers: [20] 20,69 unequal: No Solution Exploring Operation: 23*3=69, Resulting Numbers: [69] 69,69 equal: Goal Reached Moving to Node #0 Current State: 69:[39, 41, 5, 23], Operations: [] Exploring Operation: 41-39=2, Resulting Numbers: [5, 23, 2] Generated Node #0,3: 69:[5, 23, 2] Operation: 41-39=2 Moving to Node #0,3 Current State: 69:[5, 23, 2], Operations: ['41-39=2'] Exploring Operation: 5-2=3, Resulting Numbers: [23, 3] Generated Node #0,3,3: 69:[23, 3] Operation: 5-2=3 Moving to Node #0,3,3 Current State: 69:[23, 3], Operations: ['41-39=2', '5-2=3'] Exploring Operation: 23*3=69, Resulting Numbers: [69] 69,69 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.987847
hs_4
sum_heuristic
[ 76, 61, 65, 97 ]
78
[ "65-61=4", "76/4=19", "97-19=78" ]
Current State: 78:[76, 61, 65, 97], Operations: [] Exploring Operation: 65-61=4, Resulting Numbers: [76, 97, 4] Generated Node #2: [76, 97, 4] from Operation: 65-61=4 Current State: 78:[76, 97, 4], Operations: ['65-61=4'] Exploring Operation: 76/4=19, Resulting Numbers: [97, 19] Generated Node #3: [97, 19] from Operation: 76/4=19 Current State: 78:[97, 19], Operations: ['65-61=4', '76/4=19'] Exploring Operation: 97-19=78, Resulting Numbers: [78] 78,78 equal: Goal Reached
4
Current State: 78:[76, 61, 65, 97], Operations: [] Exploring Operation: 97-61=36, Resulting Numbers: [76, 65, 36] Generated Node #0,0: 78:[76, 65, 36] Operation: 97-61=36 Start Sub Search at level 1: Moving to Node #0,0 Current State: 78:[76, 65, 36], Operations: ['97-61=36'] Exploring Operation: 76-65=11, Resulting Numbers: [36, 11] Generated Node #0,0,0: 78:[36, 11] Operation: 76-65=11 Moving to Node #0,0,0 Current State: 78:[36, 11], Operations: ['97-61=36', '76-65=11'] Exploring Operation: 36-11=25, Resulting Numbers: [25] 25,78 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 68, 44, 84, 66 ]
38
[ "68+44=112", "84+66=150", "150-112=38" ]
Current State: 38:[68, 44, 84, 66], Operations: [] Exploring Operation: 68+44=112, Resulting Numbers: [84, 66, 112] Generated Node #2: [84, 66, 112] from Operation: 68+44=112 Current State: 38:[84, 66, 112], Operations: ['68+44=112'] Exploring Operation: 84+66=150, Resulting Numbers: [112, 150] Generated Node #3: [112, 150] from Operation: 84+66=150 Current State: 38:[112, 150], Operations: ['68+44=112', '84+66=150'] Exploring Operation: 150-112=38, Resulting Numbers: [38] 38,38 equal: Goal Reached
4
Current State: 38:[68, 44, 84, 66], Operations: [] Exploring Operation: 84-66=18, Resulting Numbers: [68, 44, 18] Generated Node #0,0: 38:[68, 44, 18] Operation: 84-66=18 Exploring Operation: 84-68=16, Resulting Numbers: [44, 66, 16] Generated Node #0,1: 38:[44, 66, 16] Operation: 84-68=16 Exploring Operation: 68-66=2, Resulting Numbers: [44, 84, 2] Generated Node #0,2: 38:[44, 84, 2] Operation: 68-66=2 Exploring Operation: 84-44=40, Resulting Numbers: [68, 66, 40] Generated Node #0,3: 38:[68, 66, 40] Operation: 84-44=40 Moving to Node #0,0 Current State: 38:[68, 44, 18], Operations: ['84-66=18'] Exploring Operation: 44-18=26, Resulting Numbers: [68, 26] Generated Node #0,0,0: 38:[68, 26] Operation: 44-18=26 Exploring Operation: 68-44=24, Resulting Numbers: [18, 24] Generated Node #0,0,1: 38:[18, 24] Operation: 68-44=24 Exploring Operation: 68-18=50, Resulting Numbers: [44, 50] Generated Node #0,0,2: 38:[44, 50] Operation: 68-18=50 Exploring Operation: 68+18=86, Resulting Numbers: [44, 86] Generated Node #0,0,3: 38:[44, 86] Operation: 68+18=86 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 38:[18, 24], Operations: ['84-66=18', '68-44=24'] Exploring Operation: 18*24=432, Resulting Numbers: [432] 432,38 unequal: No Solution Exploring Operation: 18+24=42, Resulting Numbers: [42] 42,38 unequal: No Solution Exploring Operation: 24-18=6, Resulting Numbers: [6] 6,38 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 #0,0,2 Current State: 38:[44, 50], Operations: ['84-66=18', '68-18=50'] Exploring Operation: 50-44=6, Resulting Numbers: [6] 6,38 unequal: No Solution Exploring Operation: 44+50=94, Resulting Numbers: [94] 94,38 unequal: No Solution Exploring Operation: 44*50=2200, Resulting Numbers: [2200] 2200,38 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 #0,0,0 Current State: 38:[68, 26], Operations: ['84-66=18', '44-18=26'] Exploring Operation: 68-26=42, Resulting Numbers: [42] 42,38 unequal: No Solution Exploring Operation: 68+26=94, Resulting Numbers: [94] 94,38 unequal: No Solution Exploring Operation: 68*26=1768, Resulting Numbers: [1768] 1768,38 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 #0,0,3 Current State: 38:[44, 86], Operations: ['84-66=18', '68+18=86'] Exploring Operation: 44*86=3784, Resulting Numbers: [3784] 3784,38 unequal: No Solution Exploring Operation: 44+86=130, Resulting Numbers: [130] 130,38 unequal: No Solution Exploring Operation: 86-44=42, Resulting Numbers: [42] 42,38 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 38:[44, 66, 16], Operations: ['84-68=16'] Exploring Operation: 66-16=50, Resulting Numbers: [44, 50] Generated Node #0,1,0: 38:[44, 50] Operation: 66-16=50 Exploring Operation: 44-16=28, Resulting Numbers: [66, 28] Generated Node #0,1,1: 38:[66, 28] Operation: 44-16=28 Exploring Operation: 44+16=60, Resulting Numbers: [66, 60] Generated Node #0,1,2: 38:[66, 60] Operation: 44+16=60 Exploring Operation: 66-44=22, Resulting Numbers: [16, 22] Generated Node #0,1,3: 38:[16, 22] Operation: 66-44=22 Moving to Node #0,2 Current State: 38:[44, 84, 2], Operations: ['68-66=2'] Exploring Operation: 44/2=22, Resulting Numbers: [84, 22] Generated Node #0,2,0: 38:[84, 22] Operation: 44/2=22 Exploring Operation: 44-2=42, Resulting Numbers: [84, 42] Generated Node #0,2,1: 38:[84, 42] Operation: 44-2=42 Exploring Operation: 84-44=40, Resulting Numbers: [2, 40] Generated Node #0,2,2: 38:[2, 40] Operation: 84-44=40 Exploring Operation: 84/2=42, Resulting Numbers: [44, 42] Generated Node #0,2,3: 38:[44, 42] Operation: 84/2=42 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 38:[2, 40], Operations: ['68-66=2', '84-44=40'] Exploring Operation: 2*40=80, Resulting Numbers: [80] 80,38 unequal: No Solution Exploring Operation: 40-2=38, Resulting Numbers: [38] 38,38 equal: Goal Reached Moving to Node #0 Current State: 38:[68, 44, 84, 66], Operations: [] Exploring Operation: 68-66=2, Resulting Numbers: [44, 84, 2] Generated Node #0,2: 38:[44, 84, 2] Operation: 68-66=2 Moving to Node #0,2 Current State: 38:[44, 84, 2], Operations: ['68-66=2'] Exploring Operation: 84-44=40, Resulting Numbers: [2, 40] Generated Node #0,2,2: 38:[2, 40] Operation: 84-44=40 Moving to Node #0,2,2 Current State: 38:[2, 40], Operations: ['68-66=2', '84-44=40'] Exploring Operation: 40-2=38, Resulting Numbers: [38] 38,38 equal: Goal Reached Exit Sub Search at level 1
0.970486
hs_4
mult_heuristic
[ 9, 29, 10, 69 ]
59
[ "29-9=20", "10+69=79", "79-20=59" ]
Current State: 59:[9, 29, 10, 69], Operations: [] Exploring Operation: 29-9=20, Resulting Numbers: [10, 69, 20] Generated Node #2: [10, 69, 20] from Operation: 29-9=20 Current State: 59:[10, 69, 20], Operations: ['29-9=20'] Exploring Operation: 10+69=79, Resulting Numbers: [20, 79] Generated Node #3: [20, 79] from Operation: 10+69=79 Current State: 59:[20, 79], Operations: ['29-9=20', '10+69=79'] Exploring Operation: 79-20=59, Resulting Numbers: [59] 59,59 equal: Goal Reached
4
Current State: 59:[9, 29, 10, 69], Operations: [] Exploring Operation: 9*10=90, Resulting Numbers: [29, 69, 90] Generated Node #0,0: 59:[29, 69, 90] Operation: 9*10=90 Moving to Node #0,0 Current State: 59:[29, 69, 90], Operations: ['9*10=90'] Exploring Operation: 90-29=61, Resulting Numbers: [69, 61] Generated Node #0,0,0: 59:[69, 61] Operation: 90-29=61 Moving to Node #0,0,0 Current State: 59:[69, 61], Operations: ['9*10=90', '90-29=61'] Exploring Operation: 69-61=8, Resulting Numbers: [8] 8,59 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 18, 9, 90, 11 ]
25
[ "90/18=5", "9+11=20", "5+20=25" ]
Current State: 25:[18, 9, 90, 11], Operations: [] Exploring Operation: 90/18=5, Resulting Numbers: [9, 11, 5] Generated Node #2: [9, 11, 5] from Operation: 90/18=5 Current State: 25:[9, 11, 5], Operations: ['90/18=5'] Exploring Operation: 9+11=20, Resulting Numbers: [5, 20] Generated Node #3: [5, 20] from Operation: 9+11=20 Current State: 25:[5, 20], Operations: ['90/18=5', '9+11=20'] Exploring Operation: 5+20=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[18, 9, 90, 11], Operations: [] Exploring Operation: 90/18=5, Resulting Numbers: [9, 11, 5] Generated Node #0,0: 25:[9, 11, 5] Operation: 90/18=5 Exploring Operation: 90/9=10, Resulting Numbers: [18, 11, 10] Generated Node #0,1: 25:[18, 11, 10] Operation: 90/9=10 Moving to Node #0,0 Current State: 25:[9, 11, 5], Operations: ['90/18=5'] Exploring Operation: 9+11=20, Resulting Numbers: [5, 20] Generated Node #0,0,0: 25:[5, 20] Operation: 9+11=20 Exploring Operation: 11-9=2, Resulting Numbers: [5, 2] Generated Node #0,0,1: 25:[5, 2] Operation: 11-9=2 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 25:[5, 2], Operations: ['90/18=5', '11-9=2'] Exploring Operation: 5+2=7, Resulting Numbers: [7] 7,25 unequal: No Solution Exploring Operation: 5-2=3, Resulting Numbers: [3] 3,25 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 #0,0,0 Current State: 25:[5, 20], Operations: ['90/18=5', '9+11=20'] Exploring Operation: 20/5=4, Resulting Numbers: [4] 4,25 unequal: No Solution Exploring Operation: 5+20=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Moving to Node #0 Current State: 25:[18, 9, 90, 11], Operations: [] Exploring Operation: 90/18=5, Resulting Numbers: [9, 11, 5] Generated Node #0,0: 25:[9, 11, 5] Operation: 90/18=5 Moving to Node #0,0 Current State: 25:[9, 11, 5], Operations: ['90/18=5'] Exploring Operation: 9+11=20, Resulting Numbers: [5, 20] Generated Node #0,0,0: 25:[5, 20] Operation: 9+11=20 Moving to Node #0,0,0 Current State: 25:[5, 20], Operations: ['90/18=5', '9+11=20'] Exploring Operation: 5+20=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Exit Sub Search at level 1
0.989583
hs_2
sum_heuristic
[ 2, 57, 47, 38 ]
66
[ "2*38=76", "57-47=10", "76-10=66" ]
Current State: 66:[2, 57, 47, 38], Operations: [] Exploring Operation: 2*38=76, Resulting Numbers: [57, 47, 76] Generated Node #2: [57, 47, 76] from Operation: 2*38=76 Current State: 66:[57, 47, 76], Operations: ['2*38=76'] Exploring Operation: 57-47=10, Resulting Numbers: [76, 10] Generated Node #3: [76, 10] from Operation: 57-47=10 Current State: 66:[76, 10], Operations: ['2*38=76', '57-47=10'] Exploring Operation: 76-10=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
4
Current State: 66:[2, 57, 47, 38], Operations: [] Exploring Operation: 57-38=19, Resulting Numbers: [2, 47, 19] Generated Node #0,0: 66:[2, 47, 19] Operation: 57-38=19 Exploring Operation: 57-47=10, Resulting Numbers: [2, 38, 10] Generated Node #0,1: 66:[2, 38, 10] Operation: 57-47=10 Exploring Operation: 47-38=9, Resulting Numbers: [2, 57, 9] Generated Node #0,2: 66:[2, 57, 9] Operation: 47-38=9 Start Sub Search at level 1: Moving to Node #0,1 Current State: 66:[2, 38, 10], Operations: ['57-47=10'] Exploring Operation: 38-2=36, Resulting Numbers: [10, 36] Generated Node #0,1,0: 66:[10, 36] Operation: 38-2=36 Exploring Operation: 38-10=28, Resulting Numbers: [2, 28] Generated Node #0,1,1: 66:[2, 28] Operation: 38-10=28 Exploring Operation: 38/2=19, Resulting Numbers: [10, 19] Generated Node #0,1,2: 66:[10, 19] Operation: 38/2=19 Moving to Node #0,1,0 Current State: 66:[10, 36], Operations: ['57-47=10', '38-2=36'] Exploring Operation: 10*36=360, Resulting Numbers: [360] 360,66 unequal: No Solution Exploring Operation: 36-10=26, Resulting Numbers: [26] 26,66 unequal: No Solution Exploring Operation: 10+36=46, Resulting Numbers: [46] 46,66 unequal: No Solution Moving to Node #0,1,2 Current State: 66:[10, 19], Operations: ['57-47=10', '38/2=19'] Exploring Operation: 10*19=190, Resulting Numbers: [190] 190,66 unequal: No Solution Exploring Operation: 10+19=29, Resulting Numbers: [29] 29,66 unequal: No Solution Exploring Operation: 19-10=9, Resulting Numbers: [9] 9,66 unequal: No Solution Moving to Node #0,1,1 Current State: 66:[2, 28], Operations: ['57-47=10', '38-10=28'] Exploring Operation: 28/2=14, Resulting Numbers: [14] 14,66 unequal: No Solution Exploring Operation: 28-2=26, Resulting Numbers: [26] 26,66 unequal: No Solution Exploring Operation: 2+28=30, Resulting Numbers: [30] 30,66 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 66:[2, 57, 9], Operations: ['47-38=9'] Exploring Operation: 57+9=66, Resulting Numbers: [2, 66] Generated Node #0,2,0: 66:[2, 66] Operation: 57+9=66 Exploring Operation: 2+57=59, Resulting Numbers: [9, 59] Generated Node #0,2,1: 66:[9, 59] Operation: 2+57=59 Exploring Operation: 2+9=11, Resulting Numbers: [57, 11] Generated Node #0,2,2: 66:[57, 11] Operation: 2+9=11 Moving to Node #0,2,0 Current State: 66:[2, 66], Operations: ['47-38=9', '57+9=66'] Exploring Operation: 2+66=68, Resulting Numbers: [68] 68,66 unequal: No Solution Exploring Operation: 66/2=33, Resulting Numbers: [33] 33,66 unequal: No Solution Exploring Operation: 66-2=64, Resulting Numbers: [64] 64,66 unequal: No Solution Moving to Node #0,2,1 Current State: 66:[9, 59], Operations: ['47-38=9', '2+57=59'] Exploring Operation: 9+59=68, Resulting Numbers: [68] 68,66 unequal: No Solution Exploring Operation: 9*59=531, Resulting Numbers: [531] 531,66 unequal: No Solution Exploring Operation: 59-9=50, Resulting Numbers: [50] 50,66 unequal: No Solution Moving to Node #0,2,2 Current State: 66:[57, 11], Operations: ['47-38=9', '2+9=11'] Exploring Operation: 57-11=46, Resulting Numbers: [46] 46,66 unequal: No Solution Exploring Operation: 57+11=68, Resulting Numbers: [68] 68,66 unequal: No Solution Exploring Operation: 57*11=627, Resulting Numbers: [627] 627,66 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 66:[2, 47, 19], Operations: ['57-38=19'] Exploring Operation: 47-19=28, Resulting Numbers: [2, 28] Generated Node #0,0,0: 66:[2, 28] Operation: 47-19=28 Exploring Operation: 47-2=45, Resulting Numbers: [19, 45] Generated Node #0,0,1: 66:[19, 45] Operation: 47-2=45 Exploring Operation: 47+19=66, Resulting Numbers: [2, 66] Generated Node #0,0,2: 66:[2, 66] Operation: 47+19=66 Moving to Node #0,0,2 Current State: 66:[2, 66], Operations: ['57-38=19', '47+19=66'] Exploring Operation: 66/2=33, Resulting Numbers: [33] 33,66 unequal: No Solution Exploring Operation: 2+66=68, Resulting Numbers: [68] 68,66 unequal: No Solution Exploring Operation: 66-2=64, Resulting Numbers: [64] 64,66 unequal: No Solution Moving to Node #0,0,0 Current State: 66:[2, 28], Operations: ['57-38=19', '47-19=28'] Exploring Operation: 28-2=26, Resulting Numbers: [26] 26,66 unequal: No Solution Exploring Operation: 28/2=14, Resulting Numbers: [14] 14,66 unequal: No Solution Exploring Operation: 2+28=30, Resulting Numbers: [30] 30,66 unequal: No Solution Moving to Node #0,0,1 Current State: 66:[19, 45], Operations: ['57-38=19', '47-2=45'] Exploring Operation: 19+45=64, Resulting Numbers: [64] 64,66 unequal: No Solution Exploring Operation: 19*45=855, Resulting Numbers: [855] 855,66 unequal: No Solution Exploring Operation: 45-19=26, Resulting Numbers: [26] 26,66 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
[ 92, 5, 9, 95 ]
30
[ "92+9=101", "101-95=6", "5*6=30" ]
Current State: 30:[92, 5, 9, 95], Operations: [] Exploring Operation: 92+9=101, Resulting Numbers: [5, 95, 101] Generated Node #2: [5, 95, 101] from Operation: 92+9=101 Current State: 30:[5, 95, 101], Operations: ['92+9=101'] Exploring Operation: 101-95=6, Resulting Numbers: [5, 6] Generated Node #3: [5, 6] from Operation: 101-95=6 Current State: 30:[5, 6], Operations: ['92+9=101', '101-95=6'] Exploring Operation: 5*6=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
4
Current State: 30:[92, 5, 9, 95], Operations: [] Exploring Operation: 95/5=19, Resulting Numbers: [92, 9, 19] Generated Node #0,0: 30:[92, 9, 19] Operation: 95/5=19 Exploring Operation: 95-92=3, Resulting Numbers: [5, 9, 3] Generated Node #0,1: 30:[5, 9, 3] Operation: 95-92=3 Moving to Node #0,1 Current State: 30:[5, 9, 3], Operations: ['95-92=3'] Exploring Operation: 9/3=3, Resulting Numbers: [5, 3] Generated Node #0,1,0: 30:[5, 3] Operation: 9/3=3 Exploring Operation: 9-3=6, Resulting Numbers: [5, 6] Generated Node #0,1,1: 30:[5, 6] Operation: 9-3=6 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 30:[5, 3], Operations: ['95-92=3', '9/3=3'] Exploring Operation: 5-3=2, Resulting Numbers: [2] 2,30 unequal: No Solution Exploring Operation: 5*3=15, Resulting Numbers: [15] 15,30 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 30:[5, 6], Operations: ['95-92=3', '9-3=6'] Exploring Operation: 5*6=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Moving to Node #0 Current State: 30:[92, 5, 9, 95], Operations: [] Exploring Operation: 95-92=3, Resulting Numbers: [5, 9, 3] Generated Node #0,1: 30:[5, 9, 3] Operation: 95-92=3 Moving to Node #0,1 Current State: 30:[5, 9, 3], Operations: ['95-92=3'] Exploring Operation: 9-3=6, Resulting Numbers: [5, 6] Generated Node #0,1,1: 30:[5, 6] Operation: 9-3=6 Moving to Node #0,1,1 Current State: 30:[5, 6], Operations: ['95-92=3', '9-3=6'] Exploring Operation: 5*6=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_2
mult_heuristic
[ 1, 95, 37, 20 ]
39
[ "1+95=96", "37+20=57", "96-57=39" ]
Current State: 39:[1, 95, 37, 20], Operations: [] Exploring Operation: 1+95=96, Resulting Numbers: [37, 20, 96] Generated Node #2: [37, 20, 96] from Operation: 1+95=96 Current State: 39:[37, 20, 96], Operations: ['1+95=96'] Exploring Operation: 37+20=57, Resulting Numbers: [96, 57] Generated Node #3: [96, 57] from Operation: 37+20=57 Current State: 39:[96, 57], Operations: ['1+95=96', '37+20=57'] Exploring Operation: 96-57=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
4
Current State: 39:[1, 95, 37, 20], Operations: [] Exploring Operation: 95-1=94, Resulting Numbers: [37, 20, 94] Generated Node #0,0: 39:[37, 20, 94] Operation: 95-1=94 Exploring Operation: 1+37=38, Resulting Numbers: [95, 20, 38] Generated Node #0,1: 39:[95, 20, 38] Operation: 1+37=38 Exploring Operation: 37-20=17, Resulting Numbers: [1, 95, 17] Generated Node #0,2: 39:[1, 95, 17] Operation: 37-20=17 Exploring Operation: 95-20=75, Resulting Numbers: [1, 37, 75] Generated Node #0,3: 39:[1, 37, 75] Operation: 95-20=75 Exploring Operation: 95-37=58, Resulting Numbers: [1, 20, 58] Generated Node #0,4: 39:[1, 20, 58] Operation: 95-37=58 Moving to Node #0,4 Current State: 39:[1, 20, 58], Operations: ['95-37=58'] Exploring Operation: 20-1=19, Resulting Numbers: [58, 19] Generated Node #0,4,0: 39:[58, 19] Operation: 20-1=19 Exploring Operation: 1*20=20, Resulting Numbers: [58, 20] Generated Node #0,4,1: 39:[58, 20] Operation: 1*20=20 Exploring Operation: 20/1=20, Resulting Numbers: [58, 20] Generated Node #0,4,2: 39:[58, 20] Operation: 20/1=20 Exploring Operation: 58-1=57, Resulting Numbers: [20, 57] Generated Node #0,4,3: 39:[20, 57] Operation: 58-1=57 Exploring Operation: 58-20=38, Resulting Numbers: [1, 38] Generated Node #0,4,4: 39:[1, 38] Operation: 58-20=38 Moving to Node #0,3 Current State: 39:[1, 37, 75], Operations: ['95-20=75'] Exploring Operation: 75-1=74, Resulting Numbers: [37, 74] Generated Node #0,3,0: 39:[37, 74] Operation: 75-1=74 Exploring Operation: 37/1=37, Resulting Numbers: [75, 37] Generated Node #0,3,1: 39:[75, 37] Operation: 37/1=37 Exploring Operation: 1*37=37, Resulting Numbers: [75, 37] Generated Node #0,3,2: 39:[75, 37] Operation: 1*37=37 Exploring Operation: 75-37=38, Resulting Numbers: [1, 38] Generated Node #0,3,3: 39:[1, 38] Operation: 75-37=38 Exploring Operation: 1+37=38, Resulting Numbers: [75, 38] Generated Node #0,3,4: 39:[75, 38] Operation: 1+37=38 Moving to Node #0,2 Current State: 39:[1, 95, 17], Operations: ['37-20=17'] Exploring Operation: 95-1=94, Resulting Numbers: [17, 94] Generated Node #0,2,0: 39:[17, 94] Operation: 95-1=94 Exploring Operation: 95/1=95, Resulting Numbers: [17, 95] Generated Node #0,2,1: 39:[17, 95] Operation: 95/1=95 Exploring Operation: 17-1=16, Resulting Numbers: [95, 16] Generated Node #0,2,2: 39:[95, 16] Operation: 17-1=16 Exploring Operation: 1*95=95, Resulting Numbers: [17, 95] Generated Node #0,2,3: 39:[17, 95] Operation: 1*95=95 Exploring Operation: 95-17=78, Resulting Numbers: [1, 78] Generated Node #0,2,4: 39:[1, 78] Operation: 95-17=78 Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 39:[1, 78], Operations: ['37-20=17', '95-17=78'] Exploring Operation: 78-1=77, Resulting Numbers: [77] 77,39 unequal: No Solution Exploring Operation: 1*78=78, Resulting Numbers: [78] 78,39 unequal: No Solution Exploring Operation: 78/1=78, Resulting Numbers: [78] 78,39 unequal: No Solution Exploring Operation: 1+78=79, Resulting Numbers: [79] 79,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 39:[17, 94], Operations: ['37-20=17', '95-1=94'] Exploring Operation: 17*94=1598, Resulting Numbers: [1598] 1598,39 unequal: No Solution Exploring Operation: 17+94=111, Resulting Numbers: [111] 111,39 unequal: No Solution Exploring Operation: 94-17=77, Resulting Numbers: [77] 77,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 39:[95, 16], Operations: ['37-20=17', '17-1=16'] Exploring Operation: 95-16=79, Resulting Numbers: [79] 79,39 unequal: No Solution Exploring Operation: 95*16=1520, Resulting Numbers: [1520] 1520,39 unequal: No Solution Exploring Operation: 95+16=111, Resulting Numbers: [111] 111,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 39:[17, 95], Operations: ['37-20=17', '95/1=95'] Exploring Operation: 17+95=112, Resulting Numbers: [112] 112,39 unequal: No Solution Exploring Operation: 95-17=78, Resulting Numbers: [78] 78,39 unequal: No Solution Exploring Operation: 17*95=1615, Resulting Numbers: [1615] 1615,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 39:[17, 95], Operations: ['37-20=17', '1*95=95'] Exploring Operation: 95-17=78, Resulting Numbers: [78] 78,39 unequal: No Solution Exploring Operation: 17+95=112, Resulting Numbers: [112] 112,39 unequal: No Solution Exploring Operation: 17*95=1615, Resulting Numbers: [1615] 1615,39 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: 39:[37, 20, 94], Operations: ['95-1=94'] Exploring Operation: 94-20=74, Resulting Numbers: [37, 74] Generated Node #0,0,0: 39:[37, 74] Operation: 94-20=74 Exploring Operation: 37-20=17, Resulting Numbers: [94, 17] Generated Node #0,0,1: 39:[94, 17] Operation: 37-20=17 Exploring Operation: 94-37=57, Resulting Numbers: [20, 57] Generated Node #0,0,2: 39:[20, 57] Operation: 94-37=57 Exploring Operation: 37+20=57, Resulting Numbers: [94, 57] Generated Node #0,0,3: 39:[94, 57] Operation: 37+20=57 Exploring Operation: 20+94=114, Resulting Numbers: [37, 114] Generated Node #0,0,4: 39:[37, 114] Operation: 20+94=114 Moving to Node #0,1 Current State: 39:[95, 20, 38], Operations: ['1+37=38'] Exploring Operation: 95-20=75, Resulting Numbers: [38, 75] Generated Node #0,1,0: 39:[38, 75] Operation: 95-20=75 Exploring Operation: 20+38=58, Resulting Numbers: [95, 58] Generated Node #0,1,1: 39:[95, 58] Operation: 20+38=58 Exploring Operation: 95-38=57, Resulting Numbers: [20, 57] Generated Node #0,1,2: 39:[20, 57] Operation: 95-38=57 Exploring Operation: 38-20=18, Resulting Numbers: [95, 18] Generated Node #0,1,3: 39:[95, 18] Operation: 38-20=18 Exploring Operation: 95+20=115, Resulting Numbers: [38, 115] Generated Node #0,1,4: 39:[38, 115] Operation: 95+20=115 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 39:[20, 57], Operations: ['1+37=38', '95-38=57'] Exploring Operation: 20+57=77, Resulting Numbers: [77] 77,39 unequal: No Solution Exploring Operation: 20*57=1140, Resulting Numbers: [1140] 1140,39 unequal: No Solution Exploring Operation: 57-20=37, Resulting Numbers: [37] 37,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 39:[38, 75], Operations: ['1+37=38', '95-20=75'] Exploring Operation: 75-38=37, Resulting Numbers: [37] 37,39 unequal: No Solution Exploring Operation: 38*75=2850, Resulting Numbers: [2850] 2850,39 unequal: No Solution Exploring Operation: 38+75=113, Resulting Numbers: [113] 113,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 39:[95, 18], Operations: ['1+37=38', '38-20=18'] Exploring Operation: 95-18=77, Resulting Numbers: [77] 77,39 unequal: No Solution Exploring Operation: 95*18=1710, Resulting Numbers: [1710] 1710,39 unequal: No Solution Exploring Operation: 95+18=113, Resulting Numbers: [113] 113,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 39:[95, 58], Operations: ['1+37=38', '20+38=58'] Exploring Operation: 95+58=153, Resulting Numbers: [153] 153,39 unequal: No Solution Exploring Operation: 95*58=5510, Resulting Numbers: [5510] 5510,39 unequal: No Solution Exploring Operation: 95-58=37, Resulting Numbers: [37] 37,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 39:[38, 115], Operations: ['1+37=38', '95+20=115'] Exploring Operation: 38*115=4370, Resulting Numbers: [4370] 4370,39 unequal: No Solution Exploring Operation: 38+115=153, Resulting Numbers: [153] 153,39 unequal: No Solution Exploring Operation: 115-38=77, Resulting Numbers: [77] 77,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,4,4 Current State: 39:[1, 38], Operations: ['95-37=58', '58-20=38'] Exploring Operation: 38/1=38, Resulting Numbers: [38] 38,39 unequal: No Solution Exploring Operation: 38-1=37, Resulting Numbers: [37] 37,39 unequal: No Solution Exploring Operation: 1*38=38, Resulting Numbers: [38] 38,39 unequal: No Solution Exploring Operation: 1+38=39, Resulting Numbers: [39] 39,39 equal: Goal Reached Moving to Node #0 Current State: 39:[1, 95, 37, 20], Operations: [] Exploring Operation: 95-37=58, Resulting Numbers: [1, 20, 58] Generated Node #0,4: 39:[1, 20, 58] Operation: 95-37=58 Moving to Node #0,4 Current State: 39:[1, 20, 58], Operations: ['95-37=58'] Exploring Operation: 58-20=38, Resulting Numbers: [1, 38] Generated Node #0,4,4: 39:[1, 38] Operation: 58-20=38 Moving to Node #0,4,4 Current State: 39:[1, 38], Operations: ['95-37=58', '58-20=38'] Exploring Operation: 1+38=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
0.940104
hs_5
mult_heuristic
[ 2, 20, 7, 8 ]
60
[ "7-2=5", "20-8=12", "5*12=60" ]
Current State: 60:[2, 20, 7, 8], Operations: [] Exploring Operation: 7-2=5, Resulting Numbers: [20, 8, 5] Generated Node #2: [20, 8, 5] from Operation: 7-2=5 Current State: 60:[20, 8, 5], Operations: ['7-2=5'] Exploring Operation: 20-8=12, Resulting Numbers: [5, 12] Generated Node #3: [5, 12] from Operation: 20-8=12 Current State: 60:[5, 12], Operations: ['7-2=5', '20-8=12'] Exploring Operation: 5*12=60, Resulting Numbers: [60] 60,60 equal: Goal Reached
4
Current State: 60:[2, 20, 7, 8], Operations: [] Exploring Operation: 2+8=10, Resulting Numbers: [20, 7, 10] Generated Node #0,0: 60:[20, 7, 10] Operation: 2+8=10 Exploring Operation: 7+8=15, Resulting Numbers: [2, 20, 15] Generated Node #0,1: 60:[2, 20, 15] Operation: 7+8=15 Exploring Operation: 8/2=4, Resulting Numbers: [20, 7, 4] Generated Node #0,2: 60:[20, 7, 4] Operation: 8/2=4 Exploring Operation: 8-2=6, Resulting Numbers: [20, 7, 6] Generated Node #0,3: 60:[20, 7, 6] Operation: 8-2=6 Exploring Operation: 20-8=12, Resulting Numbers: [2, 7, 12] Generated Node #0,4: 60:[2, 7, 12] Operation: 20-8=12 Moving to Node #0,1 Current State: 60:[2, 20, 15], Operations: ['7+8=15'] Exploring Operation: 15-2=13, Resulting Numbers: [20, 13] Generated Node #0,1,0: 60:[20, 13] Operation: 15-2=13 Exploring Operation: 2*15=30, Resulting Numbers: [20, 30] Generated Node #0,1,1: 60:[20, 30] Operation: 2*15=30 Exploring Operation: 2+20=22, Resulting Numbers: [15, 22] Generated Node #0,1,2: 60:[15, 22] Operation: 2+20=22 Exploring Operation: 20-15=5, Resulting Numbers: [2, 5] Generated Node #0,1,3: 60:[2, 5] Operation: 20-15=5 Exploring Operation: 20/2=10, Resulting Numbers: [15, 10] Generated Node #0,1,4: 60:[15, 10] Operation: 20/2=10 Moving to Node #0,2 Current State: 60:[20, 7, 4], Operations: ['8/2=4'] Exploring Operation: 20/4=5, Resulting Numbers: [7, 5] Generated Node #0,2,0: 60:[7, 5] Operation: 20/4=5 Exploring Operation: 7+4=11, Resulting Numbers: [20, 11] Generated Node #0,2,1: 60:[20, 11] Operation: 7+4=11 Exploring Operation: 7-4=3, Resulting Numbers: [20, 3] Generated Node #0,2,2: 60:[20, 3] Operation: 7-4=3 Exploring Operation: 20-4=16, Resulting Numbers: [7, 16] Generated Node #0,2,3: 60:[7, 16] Operation: 20-4=16 Exploring Operation: 20-7=13, Resulting Numbers: [4, 13] Generated Node #0,2,4: 60:[4, 13] Operation: 20-7=13 Moving to Node #0,4 Current State: 60:[2, 7, 12], Operations: ['20-8=12'] Exploring Operation: 7-2=5, Resulting Numbers: [12, 5] Generated Node #0,4,0: 60:[12, 5] Operation: 7-2=5 Exploring Operation: 2+7=9, Resulting Numbers: [12, 9] Generated Node #0,4,1: 60:[12, 9] Operation: 2+7=9 Exploring Operation: 2*7=14, Resulting Numbers: [12, 14] Generated Node #0,4,2: 60:[12, 14] Operation: 2*7=14 Exploring Operation: 12-2=10, Resulting Numbers: [7, 10] Generated Node #0,4,3: 60:[7, 10] Operation: 12-2=10 Exploring Operation: 12-7=5, Resulting Numbers: [2, 5] Generated Node #0,4,4: 60:[2, 5] Operation: 12-7=5 Moving to Node #0,0 Current State: 60:[20, 7, 10], Operations: ['2+8=10'] Exploring Operation: 20-7=13, Resulting Numbers: [10, 13] Generated Node #0,0,0: 60:[10, 13] Operation: 20-7=13 Exploring Operation: 20-10=10, Resulting Numbers: [7, 10] Generated Node #0,0,1: 60:[7, 10] Operation: 20-10=10 Exploring Operation: 10-7=3, Resulting Numbers: [20, 3] Generated Node #0,0,2: 60:[20, 3] Operation: 10-7=3 Exploring Operation: 20+10=30, Resulting Numbers: [7, 30] Generated Node #0,0,3: 60:[7, 30] Operation: 20+10=30 Exploring Operation: 20/10=2, Resulting Numbers: [7, 2] Generated Node #0,0,4: 60:[7, 2] Operation: 20/10=2 Moving to Node #0,3 Current State: 60:[20, 7, 6], Operations: ['8-2=6'] Exploring Operation: 20+7=27, Resulting Numbers: [6, 27] Generated Node #0,3,0: 60:[6, 27] Operation: 20+7=27 Exploring Operation: 20-6=14, Resulting Numbers: [7, 14] Generated Node #0,3,1: 60:[7, 14] Operation: 20-6=14 Exploring Operation: 7+6=13, Resulting Numbers: [20, 13] Generated Node #0,3,2: 60:[20, 13] Operation: 7+6=13 Exploring Operation: 20-7=13, Resulting Numbers: [6, 13] Generated Node #0,3,3: 60:[6, 13] Operation: 20-7=13 Exploring Operation: 7-6=1, Resulting Numbers: [20, 1] Generated Node #0,3,4: 60:[20, 1] Operation: 7-6=1 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 60:[20, 13], Operations: ['8-2=6', '7+6=13'] Exploring Operation: 20*13=260, Resulting Numbers: [260] 260,60 unequal: No Solution Exploring Operation: 20-13=7, Resulting Numbers: [7] 7,60 unequal: No Solution Exploring Operation: 20+13=33, Resulting Numbers: [33] 33,60 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 60:[6, 13], Operations: ['8-2=6', '20-7=13'] Exploring Operation: 6+13=19, Resulting Numbers: [19] 19,60 unequal: No Solution Exploring Operation: 6*13=78, Resulting Numbers: [78] 78,60 unequal: No Solution Exploring Operation: 13-6=7, Resulting Numbers: [7] 7,60 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 60:[20, 1], Operations: ['8-2=6', '7-6=1'] Exploring Operation: 20-1=19, Resulting Numbers: [19] 19,60 unequal: No Solution Exploring Operation: 20/1=20, Resulting Numbers: [20] 20,60 unequal: No Solution Exploring Operation: 20+1=21, Resulting Numbers: [21] 21,60 unequal: No Solution Exploring Operation: 20*1=20, Resulting Numbers: [20] 20,60 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 60:[7, 14], Operations: ['8-2=6', '20-6=14'] Exploring Operation: 7*14=98, Resulting Numbers: [98] 98,60 unequal: No Solution Exploring Operation: 14/7=2, Resulting Numbers: [2] 2,60 unequal: No Solution Exploring Operation: 14-7=7, Resulting Numbers: [7] 7,60 unequal: No Solution Exploring Operation: 7+14=21, Resulting Numbers: [21] 21,60 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 60:[6, 27], Operations: ['8-2=6', '20+7=27'] Exploring Operation: 6*27=162, Resulting Numbers: [162] 162,60 unequal: No Solution Exploring Operation: 6+27=33, Resulting Numbers: [33] 33,60 unequal: No Solution Exploring Operation: 27-6=21, Resulting Numbers: [21] 21,60 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1,1 Current State: 60:[20, 30], Operations: ['7+8=15', '2*15=30'] Exploring Operation: 20*30=600, Resulting Numbers: [600] 600,60 unequal: No Solution Exploring Operation: 20+30=50, Resulting Numbers: [50] 50,60 unequal: No Solution Exploring Operation: 30-20=10, Resulting Numbers: [10] 10,60 unequal: No Solution Moving to Node #0,1,4 Current State: 60:[15, 10], Operations: ['7+8=15', '20/2=10'] Exploring Operation: 15*10=150, Resulting Numbers: [150] 150,60 unequal: No Solution Exploring Operation: 15+10=25, Resulting Numbers: [25] 25,60 unequal: No Solution Exploring Operation: 15-10=5, Resulting Numbers: [5] 5,60 unequal: No Solution Moving to Node #0,2,2 Current State: 60:[20, 3], Operations: ['8/2=4', '7-4=3'] Exploring Operation: 20*3=60, Resulting Numbers: [60] 60,60 equal: Goal Reached Moving to Node #0 Current State: 60:[2, 20, 7, 8], Operations: [] Exploring Operation: 8/2=4, Resulting Numbers: [20, 7, 4] Generated Node #0,2: 60:[20, 7, 4] Operation: 8/2=4 Moving to Node #0,2 Current State: 60:[20, 7, 4], Operations: ['8/2=4'] Exploring Operation: 7-4=3, Resulting Numbers: [20, 3] Generated Node #0,2,2: 60:[20, 3] Operation: 7-4=3 Moving to Node #0,2,2 Current State: 60:[20, 3], Operations: ['8/2=4', '7-4=3'] Exploring Operation: 20*3=60, Resulting Numbers: [60] 60,60 equal: Goal Reached
0.949653
hs_5
sum_heuristic
[ 37, 81, 98, 43 ]
63
[ "37+81=118", "98-43=55", "118-55=63" ]
Current State: 63:[37, 81, 98, 43], Operations: [] Exploring Operation: 37+81=118, Resulting Numbers: [98, 43, 118] Generated Node #2: [98, 43, 118] from Operation: 37+81=118 Current State: 63:[98, 43, 118], Operations: ['37+81=118'] Exploring Operation: 98-43=55, Resulting Numbers: [118, 55] Generated Node #3: [118, 55] from Operation: 98-43=55 Current State: 63:[118, 55], Operations: ['37+81=118', '98-43=55'] Exploring Operation: 118-55=63, Resulting Numbers: [63] 63,63 equal: Goal Reached
4
Current State: 63:[37, 81, 98, 43], Operations: [] Exploring Operation: 98-37=61, Resulting Numbers: [81, 43, 61] Generated Node #0,0: 63:[81, 43, 61] Operation: 98-37=61 Exploring Operation: 98-81=17, Resulting Numbers: [37, 43, 17] Generated Node #0,1: 63:[37, 43, 17] Operation: 98-81=17 Exploring Operation: 98-43=55, Resulting Numbers: [37, 81, 55] Generated Node #0,2: 63:[37, 81, 55] Operation: 98-43=55 Moving to Node #0,0 Current State: 63:[81, 43, 61], Operations: ['98-37=61'] Exploring Operation: 81-61=20, Resulting Numbers: [43, 20] Generated Node #0,0,0: 63:[43, 20] Operation: 81-61=20 Exploring Operation: 81-43=38, Resulting Numbers: [61, 38] Generated Node #0,0,1: 63:[61, 38] Operation: 81-43=38 Exploring Operation: 61-43=18, Resulting Numbers: [81, 18] Generated Node #0,0,2: 63:[81, 18] Operation: 61-43=18 Moving to Node #0,1 Current State: 63:[37, 43, 17], Operations: ['98-81=17'] Exploring Operation: 37+43=80, Resulting Numbers: [17, 80] Generated Node #0,1,0: 63:[17, 80] Operation: 37+43=80 Exploring Operation: 43-37=6, Resulting Numbers: [17, 6] Generated Node #0,1,1: 63:[17, 6] Operation: 43-37=6 Exploring Operation: 43+17=60, Resulting Numbers: [37, 60] Generated Node #0,1,2: 63:[37, 60] Operation: 43+17=60 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 63:[17, 6], Operations: ['98-81=17', '43-37=6'] Exploring Operation: 17*6=102, Resulting Numbers: [102] 102,63 unequal: No Solution Exploring Operation: 17-6=11, Resulting Numbers: [11] 11,63 unequal: No Solution Exploring Operation: 17+6=23, Resulting Numbers: [23] 23,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 63:[37, 60], Operations: ['98-81=17', '43+17=60'] Exploring Operation: 37*60=2220, Resulting Numbers: [2220] 2220,63 unequal: No Solution Exploring Operation: 37+60=97, Resulting Numbers: [97] 97,63 unequal: No Solution Exploring Operation: 60-37=23, Resulting Numbers: [23] 23,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 63:[17, 80], Operations: ['98-81=17', '37+43=80'] Exploring Operation: 80-17=63, Resulting Numbers: [63] 63,63 equal: Goal Reached Moving to Node #0 Current State: 63:[37, 81, 98, 43], Operations: [] Exploring Operation: 98-81=17, Resulting Numbers: [37, 43, 17] Generated Node #0,1: 63:[37, 43, 17] Operation: 98-81=17 Moving to Node #0,1 Current State: 63:[37, 43, 17], Operations: ['98-81=17'] Exploring Operation: 37+43=80, Resulting Numbers: [17, 80] Generated Node #0,1,0: 63:[17, 80] Operation: 37+43=80 Moving to Node #0,1,0 Current State: 63:[17, 80], Operations: ['98-81=17', '37+43=80'] Exploring Operation: 80-17=63, Resulting Numbers: [63] 63,63 equal: Goal Reached Exit Sub Search at level 1
0.982639
hs_3
sum_heuristic