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
[ 6, 33, 27, 44 ]
54
[ "33+27=60", "60/6=10", "44+10=54" ]
Current State: 54:[6, 33, 27, 44], Operations: [] Exploring Operation: 33+27=60, Resulting Numbers: [6, 44, 60] Generated Node #2: [6, 44, 60] from Operation: 33+27=60 Current State: 54:[6, 44, 60], Operations: ['33+27=60'] Exploring Operation: 60/6=10, Resulting Numbers: [44, 10] Generated Node #3: [44, 10] from Operation: 60/6=10 Current State: 54:[44, 10], Operations: ['33+27=60', '60/6=10'] Exploring Operation: 44+10=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
4
Current State: 54:[6, 33, 27, 44], Operations: [] Exploring Operation: 33-6=27, Resulting Numbers: [27, 44, 27] Generated Node #0,0: 54:[27, 44, 27] Operation: 33-6=27 Exploring Operation: 44-27=17, Resulting Numbers: [6, 33, 17] Generated Node #0,1: 54:[6, 33, 17] Operation: 44-27=17 Exploring Operation: 44-33=11, Resulting Numbers: [6, 27, 11] Generated Node #0,2: 54:[6, 27, 11] Operation: 44-33=11 Start Sub Search at level 1: Moving to Node #0,2 Current State: 54:[6, 27, 11], Operations: ['44-33=11'] Exploring Operation: 11-6=5, Resulting Numbers: [27, 5] Generated Node #0,2,0: 54:[27, 5] Operation: 11-6=5 Exploring Operation: 27-11=16, Resulting Numbers: [6, 16] Generated Node #0,2,1: 54:[6, 16] Operation: 27-11=16 Exploring Operation: 6+11=17, Resulting Numbers: [27, 17] Generated Node #0,2,2: 54:[27, 17] Operation: 6+11=17 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 54:[27, 5], Operations: ['44-33=11', '11-6=5'] Exploring Operation: 27-5=22, Resulting Numbers: [22] 22,54 unequal: No Solution Exploring Operation: 27+5=32, Resulting Numbers: [32] 32,54 unequal: No Solution Exploring Operation: 27*5=135, Resulting Numbers: [135] 135,54 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 54:[27, 17], Operations: ['44-33=11', '6+11=17'] Exploring Operation: 27*17=459, Resulting Numbers: [459] 459,54 unequal: No Solution Exploring Operation: 27-17=10, Resulting Numbers: [10] 10,54 unequal: No Solution Exploring Operation: 27+17=44, Resulting Numbers: [44] 44,54 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 54:[6, 16], Operations: ['44-33=11', '27-11=16'] Exploring Operation: 6*16=96, Resulting Numbers: [96] 96,54 unequal: No Solution Exploring Operation: 16-6=10, Resulting Numbers: [10] 10,54 unequal: No Solution Exploring Operation: 6+16=22, Resulting Numbers: [22] 22,54 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 54:[6, 33, 17], Operations: ['44-27=17'] Exploring Operation: 33-6=27, Resulting Numbers: [17, 27] Generated Node #0,1,0: 54:[17, 27] Operation: 33-6=27 Exploring Operation: 33-17=16, Resulting Numbers: [6, 16] Generated Node #0,1,1: 54:[6, 16] Operation: 33-17=16 Exploring Operation: 33+17=50, Resulting Numbers: [6, 50] Generated Node #0,1,2: 54:[6, 50] Operation: 33+17=50 Moving to Node #0,1,0 Current State: 54:[17, 27], Operations: ['44-27=17', '33-6=27'] Exploring Operation: 17*27=459, Resulting Numbers: [459] 459,54 unequal: No Solution Exploring Operation: 17+27=44, Resulting Numbers: [44] 44,54 unequal: No Solution Exploring Operation: 27-17=10, Resulting Numbers: [10] 10,54 unequal: No Solution Moving to Node #0,1,1 Current State: 54:[6, 16], Operations: ['44-27=17', '33-17=16'] Exploring Operation: 16-6=10, Resulting Numbers: [10] 10,54 unequal: No Solution Exploring Operation: 6*16=96, Resulting Numbers: [96] 96,54 unequal: No Solution Exploring Operation: 6+16=22, Resulting Numbers: [22] 22,54 unequal: No Solution Moving to Node #0,1,2 Current State: 54:[6, 50], Operations: ['44-27=17', '33+17=50'] Exploring Operation: 50-6=44, Resulting Numbers: [44] 44,54 unequal: No Solution Exploring Operation: 6+50=56, Resulting Numbers: [56] 56,54 unequal: No Solution Exploring Operation: 6*50=300, Resulting Numbers: [300] 300,54 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 54:[27, 44, 27], Operations: ['33-6=27'] Exploring Operation: 27+27=54, Resulting Numbers: [44, 54] Generated Node #0,0,0: 54:[44, 54] Operation: 27+27=54 Exploring Operation: 44-27=17, Resulting Numbers: [27, 17] Generated Node #0,0,1: 54:[27, 17] Operation: 44-27=17 Exploring Operation: 44-27=17, Resulting Numbers: [27, 17] Generated Node #0,0,2: 54:[27, 17] Operation: 44-27=17 Moving to Node #0,0,1 Current State: 54:[27, 17], Operations: ['33-6=27', '44-27=17'] Exploring Operation: 27-17=10, Resulting Numbers: [10] 10,54 unequal: No Solution Exploring Operation: 27*17=459, Resulting Numbers: [459] 459,54 unequal: No Solution Exploring Operation: 27+17=44, Resulting Numbers: [44] 44,54 unequal: No Solution Moving to Node #0,0,2 Current State: 54:[27, 17], Operations: ['33-6=27', '44-27=17'] Exploring Operation: 27*17=459, Resulting Numbers: [459] 459,54 unequal: No Solution Exploring Operation: 27+17=44, Resulting Numbers: [44] 44,54 unequal: No Solution Exploring Operation: 27-17=10, Resulting Numbers: [10] 10,54 unequal: No Solution Moving to Node #0,0,0 Current State: 54:[44, 54], Operations: ['33-6=27', '27+27=54'] Exploring Operation: 44*54=2376, Resulting Numbers: [2376] 2376,54 unequal: No Solution Exploring Operation: 54-44=10, Resulting Numbers: [10] 10,54 unequal: No Solution Exploring Operation: 44+54=98, Resulting Numbers: [98] 98,54 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 34, 75, 77, 19 ]
55
[ "75-34=41", "77+19=96", "96-41=55" ]
Current State: 55:[34, 75, 77, 19], Operations: [] Exploring Operation: 75-34=41, Resulting Numbers: [77, 19, 41] Generated Node #2: [77, 19, 41] from Operation: 75-34=41 Current State: 55:[77, 19, 41], Operations: ['75-34=41'] Exploring Operation: 77+19=96, Resulting Numbers: [41, 96] Generated Node #3: [41, 96] from Operation: 77+19=96 Current State: 55:[41, 96], Operations: ['75-34=41', '77+19=96'] Exploring Operation: 96-41=55, Resulting Numbers: [55] 55,55 equal: Goal Reached
4
Current State: 55:[34, 75, 77, 19], Operations: [] Exploring Operation: 77-75=2, Resulting Numbers: [34, 19, 2] Generated Node #0,0: 55:[34, 19, 2] Operation: 77-75=2 Exploring Operation: 77-34=43, Resulting Numbers: [75, 19, 43] Generated Node #0,1: 55:[75, 19, 43] Operation: 77-34=43 Exploring Operation: 34+19=53, Resulting Numbers: [75, 77, 53] Generated Node #0,2: 55:[75, 77, 53] Operation: 34+19=53 Exploring Operation: 75-34=41, Resulting Numbers: [77, 19, 41] Generated Node #0,3: 55:[77, 19, 41] Operation: 75-34=41 Start Sub Search at level 1: Moving to Node #0,0 Current State: 55:[34, 19, 2], Operations: ['77-75=2'] Exploring Operation: 34+19=53, Resulting Numbers: [2, 53] Generated Node #0,0,0: 55:[2, 53] Operation: 34+19=53 Exploring Operation: 34-19=15, Resulting Numbers: [2, 15] Generated Node #0,0,1: 55:[2, 15] Operation: 34-19=15 Exploring Operation: 34*2=68, Resulting Numbers: [19, 68] Generated Node #0,0,2: 55:[19, 68] Operation: 34*2=68 Exploring Operation: 34/2=17, Resulting Numbers: [19, 17] Generated Node #0,0,3: 55:[19, 17] Operation: 34/2=17 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 55:[2, 53], Operations: ['77-75=2', '34+19=53'] Exploring Operation: 2*53=106, Resulting Numbers: [106] 106,55 unequal: No Solution Exploring Operation: 53-2=51, Resulting Numbers: [51] 51,55 unequal: No Solution Exploring Operation: 2+53=55, Resulting Numbers: [55] 55,55 equal: Goal Reached Moving to Node #0 Current State: 55:[34, 75, 77, 19], Operations: [] Exploring Operation: 77-75=2, Resulting Numbers: [34, 19, 2] Generated Node #0,0: 55:[34, 19, 2] Operation: 77-75=2 Moving to Node #0,0 Current State: 55:[34, 19, 2], Operations: ['77-75=2'] Exploring Operation: 34+19=53, Resulting Numbers: [2, 53] Generated Node #0,0,0: 55:[2, 53] Operation: 34+19=53 Moving to Node #0,0,0 Current State: 55:[2, 53], Operations: ['77-75=2', '34+19=53'] Exploring Operation: 2+53=55, Resulting Numbers: [55] 55,55 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986979
hs_4
sum_heuristic
[ 70, 4, 23, 4 ]
70
[ "4-4=0", "23*0=0", "70+0=70" ]
Current State: 70:[70, 4, 23, 4], Operations: [] Exploring Operation: 4-4=0, Resulting Numbers: [70, 23, 0] Generated Node #2: [70, 23, 0] from Operation: 4-4=0 Current State: 70:[70, 23, 0], Operations: ['4-4=0'] Exploring Operation: 23*0=0, Resulting Numbers: [70, 0] Generated Node #3: [70, 0] from Operation: 23*0=0 Current State: 70:[70, 0], Operations: ['4-4=0', '23*0=0'] Exploring Operation: 70+0=70, Resulting Numbers: [70] 70,70 equal: Goal Reached
4
Current State: 70:[70, 4, 23, 4], Operations: [] Exploring Operation: 23-4=19, Resulting Numbers: [70, 4, 19] Generated Node #0,0: 70:[70, 4, 19] Operation: 23-4=19 Exploring Operation: 23+4=27, Resulting Numbers: [70, 4, 27] Generated Node #0,1: 70:[70, 4, 27] Operation: 23+4=27 Exploring Operation: 4+23=27, Resulting Numbers: [70, 4, 27] Generated Node #0,2: 70:[70, 4, 27] Operation: 4+23=27 Exploring Operation: 23-4=19, Resulting Numbers: [70, 4, 19] Generated Node #0,3: 70:[70, 4, 19] Operation: 23-4=19 Start Sub Search at level 1: Moving to Node #0,0 Current State: 70:[70, 4, 19], Operations: ['23-4=19'] Exploring Operation: 70-4=66, Resulting Numbers: [19, 66] Generated Node #0,0,0: 70:[19, 66] Operation: 70-4=66 Exploring Operation: 70+4=74, Resulting Numbers: [19, 74] Generated Node #0,0,1: 70:[19, 74] Operation: 70+4=74 Exploring Operation: 4*19=76, Resulting Numbers: [70, 76] Generated Node #0,0,2: 70:[70, 76] Operation: 4*19=76 Exploring Operation: 19-4=15, Resulting Numbers: [70, 15] Generated Node #0,0,3: 70:[70, 15] Operation: 19-4=15 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 70:[70, 15], Operations: ['23-4=19', '19-4=15'] Exploring Operation: 70*15=1050, Resulting Numbers: [1050] 1050,70 unequal: No Solution Exploring Operation: 70-15=55, Resulting Numbers: [55] 55,70 unequal: No Solution Exploring Operation: 70+15=85, Resulting Numbers: [85] 85,70 unequal: No Solution No 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: 70:[70, 76], Operations: ['23-4=19', '4*19=76'] Exploring Operation: 76-70=6, Resulting Numbers: [6] 6,70 unequal: No Solution Exploring Operation: 70*76=5320, Resulting Numbers: [5320] 5320,70 unequal: No Solution Exploring Operation: 70+76=146, Resulting Numbers: [146] 146,70 unequal: No Solution No 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: 70:[19, 66], Operations: ['23-4=19', '70-4=66'] Exploring Operation: 66-19=47, Resulting Numbers: [47] 47,70 unequal: No Solution Exploring Operation: 19+66=85, Resulting Numbers: [85] 85,70 unequal: No Solution Exploring Operation: 19*66=1254, Resulting Numbers: [1254] 1254,70 unequal: No Solution No 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: 70:[19, 74], Operations: ['23-4=19', '70+4=74'] Exploring Operation: 19*74=1406, Resulting Numbers: [1406] 1406,70 unequal: No Solution Exploring Operation: 19+74=93, Resulting Numbers: [93] 93,70 unequal: No Solution Exploring Operation: 74-19=55, Resulting Numbers: [55] 55,70 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: 70:[70, 4, 19], Operations: ['23-4=19'] Exploring Operation: 70+4=74, Resulting Numbers: [19, 74] Generated Node #0,3,0: 70:[19, 74] Operation: 70+4=74 Exploring Operation: 4*19=76, Resulting Numbers: [70, 76] Generated Node #0,3,1: 70:[70, 76] Operation: 4*19=76 Exploring Operation: 19-4=15, Resulting Numbers: [70, 15] Generated Node #0,3,2: 70:[70, 15] Operation: 19-4=15 Exploring Operation: 70-4=66, Resulting Numbers: [19, 66] Generated Node #0,3,3: 70:[19, 66] Operation: 70-4=66 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 70:[70, 15], Operations: ['23-4=19', '19-4=15'] Exploring Operation: 70-15=55, Resulting Numbers: [55] 55,70 unequal: No Solution Exploring Operation: 70*15=1050, Resulting Numbers: [1050] 1050,70 unequal: No Solution Exploring Operation: 70+15=85, Resulting Numbers: [85] 85,70 unequal: No Solution No 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: 70:[70, 76], Operations: ['23-4=19', '4*19=76'] Exploring Operation: 70*76=5320, Resulting Numbers: [5320] 5320,70 unequal: No Solution Exploring Operation: 76-70=6, Resulting Numbers: [6] 6,70 unequal: No Solution Exploring Operation: 70+76=146, Resulting Numbers: [146] 146,70 unequal: No Solution No 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: 70:[19, 74], Operations: ['23-4=19', '70+4=74'] Exploring Operation: 74-19=55, Resulting Numbers: [55] 55,70 unequal: No Solution Exploring Operation: 19+74=93, Resulting Numbers: [93] 93,70 unequal: No Solution Exploring Operation: 19*74=1406, Resulting Numbers: [1406] 1406,70 unequal: No Solution No 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: 70:[19, 66], Operations: ['23-4=19', '70-4=66'] Exploring Operation: 19+66=85, Resulting Numbers: [85] 85,70 unequal: No Solution Exploring Operation: 19*66=1254, Resulting Numbers: [1254] 1254,70 unequal: No Solution Exploring Operation: 66-19=47, Resulting Numbers: [47] 47,70 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: 70:[70, 4, 27], Operations: ['23+4=27'] Exploring Operation: 27-4=23, Resulting Numbers: [70, 23] Generated Node #0,1,0: 70:[70, 23] Operation: 27-4=23 Exploring Operation: 70-27=43, Resulting Numbers: [4, 43] Generated Node #0,1,1: 70:[4, 43] Operation: 70-27=43 Exploring Operation: 4+27=31, Resulting Numbers: [70, 31] Generated Node #0,1,2: 70:[70, 31] Operation: 4+27=31 Exploring Operation: 70+4=74, Resulting Numbers: [27, 74] Generated Node #0,1,3: 70:[27, 74] Operation: 70+4=74 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 70:[70, 31], Operations: ['23+4=27', '4+27=31'] Exploring Operation: 70+31=101, Resulting Numbers: [101] 101,70 unequal: No Solution Exploring Operation: 70*31=2170, Resulting Numbers: [2170] 2170,70 unequal: No Solution Exploring Operation: 70-31=39, Resulting Numbers: [39] 39,70 unequal: No Solution No 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: 70:[70, 23], Operations: ['23+4=27', '27-4=23'] Exploring Operation: 70-23=47, Resulting Numbers: [47] 47,70 unequal: No Solution Exploring Operation: 70+23=93, Resulting Numbers: [93] 93,70 unequal: No Solution Exploring Operation: 70*23=1610, Resulting Numbers: [1610] 1610,70 unequal: No Solution No 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: 70:[4, 43], Operations: ['23+4=27', '70-27=43'] Exploring Operation: 4+43=47, Resulting Numbers: [47] 47,70 unequal: No Solution Exploring Operation: 4*43=172, Resulting Numbers: [172] 172,70 unequal: No Solution Exploring Operation: 43-4=39, Resulting Numbers: [39] 39,70 unequal: No Solution No 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: 70:[27, 74], Operations: ['23+4=27', '70+4=74'] Exploring Operation: 27*74=1998, Resulting Numbers: [1998] 1998,70 unequal: No Solution Exploring Operation: 27+74=101, Resulting Numbers: [101] 101,70 unequal: No Solution Exploring Operation: 74-27=47, Resulting Numbers: [47] 47,70 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: 70:[70, 4, 27], Operations: ['4+23=27'] Exploring Operation: 70-27=43, Resulting Numbers: [4, 43] Generated Node #0,2,0: 70:[4, 43] Operation: 70-27=43 Exploring Operation: 70+4=74, Resulting Numbers: [27, 74] Generated Node #0,2,1: 70:[27, 74] Operation: 70+4=74 Exploring Operation: 27-4=23, Resulting Numbers: [70, 23] Generated Node #0,2,2: 70:[70, 23] Operation: 27-4=23 Exploring Operation: 4+27=31, Resulting Numbers: [70, 31] Generated Node #0,2,3: 70:[70, 31] Operation: 4+27=31 Moving to Node #0,2,3 Current State: 70:[70, 31], Operations: ['4+23=27', '4+27=31'] Exploring Operation: 70-31=39, Resulting Numbers: [39] 39,70 unequal: No Solution Exploring Operation: 70*31=2170, Resulting Numbers: [2170] 2170,70 unequal: No Solution Exploring Operation: 70+31=101, Resulting Numbers: [101] 101,70 unequal: No Solution Moving to Node #0,2,2 Current State: 70:[70, 23], Operations: ['4+23=27', '27-4=23'] Exploring Operation: 70-23=47, Resulting Numbers: [47] 47,70 unequal: No Solution Exploring Operation: 70+23=93, Resulting Numbers: [93] 93,70 unequal: No Solution Exploring Operation: 70*23=1610, Resulting Numbers: [1610] 1610,70 unequal: No Solution Moving to Node #0,2,0 Current State: 70:[4, 43], Operations: ['4+23=27', '70-27=43'] Exploring Operation: 4+43=47, Resulting Numbers: [47] 47,70 unequal: No Solution Exploring Operation: 43-4=39, Resulting Numbers: [39] 39,70 unequal: No Solution Exploring Operation: 4*43=172, Resulting Numbers: [172] 172,70 unequal: No Solution Moving to Node #0,2,1 Current State: 70:[27, 74], Operations: ['4+23=27', '70+4=74'] Exploring Operation: 27+74=101, Resulting Numbers: [101] 101,70 unequal: No Solution Exploring Operation: 27*74=1998, Resulting Numbers: [1998] 1998,70 unequal: No Solution Exploring Operation: 74-27=47, Resulting Numbers: [47] 47,70 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
[ 68, 32, 8, 7 ]
10
[ "68*8=544", "544/32=17", "17-7=10" ]
Current State: 10:[68, 32, 8, 7], Operations: [] Exploring Operation: 68*8=544, Resulting Numbers: [32, 7, 544] Generated Node #2: [32, 7, 544] from Operation: 68*8=544 Current State: 10:[32, 7, 544], Operations: ['68*8=544'] Exploring Operation: 544/32=17, Resulting Numbers: [7, 17] Generated Node #3: [7, 17] from Operation: 544/32=17 Current State: 10:[7, 17], Operations: ['68*8=544', '544/32=17'] Exploring Operation: 17-7=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
4
Current State: 10:[68, 32, 8, 7], Operations: [] Exploring Operation: 32/8=4, Resulting Numbers: [68, 7, 4] Generated Node #0,0: 10:[68, 7, 4] Operation: 32/8=4 Exploring Operation: 68-32=36, Resulting Numbers: [8, 7, 36] Generated Node #0,1: 10:[8, 7, 36] Operation: 68-32=36 Start Sub Search at level 1: Moving to Node #0,1 Current State: 10:[8, 7, 36], Operations: ['68-32=36'] Exploring Operation: 36-8=28, Resulting Numbers: [7, 28] Generated Node #0,1,0: 10:[7, 28] Operation: 36-8=28 Exploring Operation: 36-7=29, Resulting Numbers: [8, 29] Generated Node #0,1,1: 10:[8, 29] Operation: 36-7=29 Moving to Node #0,1,0 Current State: 10:[7, 28], Operations: ['68-32=36', '36-8=28'] Exploring Operation: 28/7=4, Resulting Numbers: [4] 4,10 unequal: No Solution Exploring Operation: 28-7=21, Resulting Numbers: [21] 21,10 unequal: No Solution Moving to Node #0,1,1 Current State: 10:[8, 29], Operations: ['68-32=36', '36-7=29'] Exploring Operation: 29-8=21, Resulting Numbers: [21] 21,10 unequal: No Solution Exploring Operation: 8+29=37, Resulting Numbers: [37] 37,10 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:[68, 7, 4], Operations: ['32/8=4'] Exploring Operation: 68-7=61, Resulting Numbers: [4, 61] Generated Node #0,0,0: 10:[4, 61] Operation: 68-7=61 Exploring Operation: 68/4=17, Resulting Numbers: [7, 17] Generated Node #0,0,1: 10:[7, 17] Operation: 68/4=17 Moving to Node #0,0,1 Current State: 10:[7, 17], Operations: ['32/8=4', '68/4=17'] Exploring Operation: 17-7=10, Resulting Numbers: [10] 10,10 equal: Goal Reached Moving to Node #0 Current State: 10:[68, 32, 8, 7], Operations: [] Exploring Operation: 32/8=4, Resulting Numbers: [68, 7, 4] Generated Node #0,0: 10:[68, 7, 4] Operation: 32/8=4 Moving to Node #0,0 Current State: 10:[68, 7, 4], Operations: ['32/8=4'] Exploring Operation: 68/4=17, Resulting Numbers: [7, 17] Generated Node #0,0,1: 10:[7, 17] Operation: 68/4=17 Moving to Node #0,0,1 Current State: 10:[7, 17], Operations: ['32/8=4', '68/4=17'] Exploring Operation: 17-7=10, Resulting Numbers: [10] 10,10 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_2
sum_heuristic
[ 85, 33, 51, 71 ]
72
[ "85-33=52", "71-51=20", "52+20=72" ]
Current State: 72:[85, 33, 51, 71], Operations: [] Exploring Operation: 85-33=52, Resulting Numbers: [51, 71, 52] Generated Node #2: [51, 71, 52] from Operation: 85-33=52 Current State: 72:[51, 71, 52], Operations: ['85-33=52'] Exploring Operation: 71-51=20, Resulting Numbers: [52, 20] Generated Node #3: [52, 20] from Operation: 71-51=20 Current State: 72:[52, 20], Operations: ['85-33=52', '71-51=20'] Exploring Operation: 52+20=72, Resulting Numbers: [72] 72,72 equal: Goal Reached
4
Current State: 72:[85, 33, 51, 71], Operations: [] Exploring Operation: 85-51=34, Resulting Numbers: [33, 71, 34] Generated Node #0,0: 72:[33, 71, 34] Operation: 85-51=34 Start Sub Search at level 1: Moving to Node #0,0 Current State: 72:[33, 71, 34], Operations: ['85-51=34'] Exploring Operation: 34-33=1, Resulting Numbers: [71, 1] Generated Node #0,0,0: 72:[71, 1] Operation: 34-33=1 Moving to Node #0,0,0 Current State: 72:[71, 1], Operations: ['85-51=34', '34-33=1'] Exploring Operation: 71+1=72, Resulting Numbers: [72] 72,72 equal: Goal Reached Moving to Node #0 Current State: 72:[85, 33, 51, 71], Operations: [] Exploring Operation: 85-51=34, Resulting Numbers: [33, 71, 34] Generated Node #0,0: 72:[33, 71, 34] Operation: 85-51=34 Moving to Node #0,0 Current State: 72:[33, 71, 34], Operations: ['85-51=34'] Exploring Operation: 34-33=1, Resulting Numbers: [71, 1] Generated Node #0,0,0: 72:[71, 1] Operation: 34-33=1 Moving to Node #0,0,0 Current State: 72:[71, 1], Operations: ['85-51=34', '34-33=1'] Exploring Operation: 71+1=72, Resulting Numbers: [72] 72,72 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 37, 73, 81, 65 ]
35
[ "81+65=146", "146/73=2", "37-2=35" ]
Current State: 35:[37, 73, 81, 65], Operations: [] Exploring Operation: 81+65=146, Resulting Numbers: [37, 73, 146] Generated Node #2: [37, 73, 146] from Operation: 81+65=146 Current State: 35:[37, 73, 146], Operations: ['81+65=146'] Exploring Operation: 146/73=2, Resulting Numbers: [37, 2] Generated Node #3: [37, 2] from Operation: 146/73=2 Current State: 35:[37, 2], Operations: ['81+65=146', '146/73=2'] Exploring Operation: 37-2=35, Resulting Numbers: [35] 35,35 equal: Goal Reached
4
Current State: 35:[37, 73, 81, 65], Operations: [] Exploring Operation: 81-73=8, Resulting Numbers: [37, 65, 8] Generated Node #0,0: 35:[37, 65, 8] Operation: 81-73=8 Exploring Operation: 73-65=8, Resulting Numbers: [37, 81, 8] Generated Node #0,1: 35:[37, 81, 8] Operation: 73-65=8 Moving to Node #0,0 Current State: 35:[37, 65, 8], Operations: ['81-73=8'] Exploring Operation: 65-37=28, Resulting Numbers: [8, 28] Generated Node #0,0,0: 35:[8, 28] Operation: 65-37=28 Exploring Operation: 65-8=57, Resulting Numbers: [37, 57] Generated Node #0,0,1: 35:[37, 57] Operation: 65-8=57 Moving to Node #0,1 Current State: 35:[37, 81, 8], Operations: ['73-65=8'] Exploring Operation: 81-8=73, Resulting Numbers: [37, 73] Generated Node #0,1,0: 35:[37, 73] Operation: 81-8=73 Exploring Operation: 81-37=44, Resulting Numbers: [8, 44] Generated Node #0,1,1: 35:[8, 44] Operation: 81-37=44 Moving to Node #0,0,0 Current State: 35:[8, 28], Operations: ['81-73=8', '65-37=28'] Exploring Operation: 8+28=36, Resulting Numbers: [36] 36,35 unequal: No Solution Exploring Operation: 28-8=20, Resulting Numbers: [20] 20,35 unequal: No Solution Moving to Node #0,1,1 Current State: 35:[8, 44], Operations: ['73-65=8', '81-37=44'] Exploring Operation: 44-8=36, Resulting Numbers: [36] 36,35 unequal: No Solution Exploring Operation: 8+44=52, Resulting Numbers: [52] 52,35 unequal: No Solution Moving to Node #0,0,1 Current State: 35:[37, 57], Operations: ['81-73=8', '65-8=57'] Exploring Operation: 57-37=20, Resulting Numbers: [20] 20,35 unequal: No Solution Exploring Operation: 37+57=94, Resulting Numbers: [94] 94,35 unequal: No Solution Moving to Node #0,1,0 Current State: 35:[37, 73], Operations: ['73-65=8', '81-8=73'] Exploring Operation: 73-37=36, Resulting Numbers: [36] 36,35 unequal: No Solution Exploring Operation: 37+73=110, Resulting Numbers: [110] 110,35 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 25, 16, 59, 77 ]
27
[ "25-16=9", "77-59=18", "9+18=27" ]
Current State: 27:[25, 16, 59, 77], Operations: [] Exploring Operation: 25-16=9, Resulting Numbers: [59, 77, 9] Generated Node #2: [59, 77, 9] from Operation: 25-16=9 Current State: 27:[59, 77, 9], Operations: ['25-16=9'] Exploring Operation: 77-59=18, Resulting Numbers: [9, 18] Generated Node #3: [9, 18] from Operation: 77-59=18 Current State: 27:[9, 18], Operations: ['25-16=9', '77-59=18'] Exploring Operation: 9+18=27, Resulting Numbers: [27] 27,27 equal: Goal Reached
4
Current State: 27:[25, 16, 59, 77], Operations: [] Exploring Operation: 77-59=18, Resulting Numbers: [25, 16, 18] Generated Node #0,0: 27:[25, 16, 18] Operation: 77-59=18 Moving to Node #0,0 Current State: 27:[25, 16, 18], Operations: ['77-59=18'] Exploring Operation: 18-16=2, Resulting Numbers: [25, 2] Generated Node #0,0,0: 27:[25, 2] Operation: 18-16=2 Moving to Node #0,0,0 Current State: 27:[25, 2], Operations: ['77-59=18', '18-16=2'] Exploring Operation: 25+2=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Moving to Node #0 Current State: 27:[25, 16, 59, 77], Operations: [] Exploring Operation: 77-59=18, Resulting Numbers: [25, 16, 18] Generated Node #0,0: 27:[25, 16, 18] Operation: 77-59=18 Moving to Node #0,0 Current State: 27:[25, 16, 18], Operations: ['77-59=18'] Exploring Operation: 18-16=2, Resulting Numbers: [25, 2] Generated Node #0,0,0: 27:[25, 2] Operation: 18-16=2 Moving to Node #0,0,0 Current State: 27:[25, 2], Operations: ['77-59=18', '18-16=2'] Exploring Operation: 25+2=27, Resulting Numbers: [27] 27,27 equal: Goal Reached
0.993924
hs_1
sum_heuristic
[ 28, 34, 22, 10 ]
88
[ "34-28=6", "10-6=4", "22*4=88" ]
Current State: 88:[28, 34, 22, 10], Operations: [] Exploring Operation: 34-28=6, Resulting Numbers: [22, 10, 6] Generated Node #2: [22, 10, 6] from Operation: 34-28=6 Current State: 88:[22, 10, 6], Operations: ['34-28=6'] Exploring Operation: 10-6=4, Resulting Numbers: [22, 4] Generated Node #3: [22, 4] from Operation: 10-6=4 Current State: 88:[22, 4], Operations: ['34-28=6', '10-6=4'] Exploring Operation: 22*4=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
4
Current State: 88:[28, 34, 22, 10], Operations: [] Exploring Operation: 28-22=6, Resulting Numbers: [34, 10, 6] Generated Node #0,0: 88:[34, 10, 6] Operation: 28-22=6 Exploring Operation: 34-10=24, Resulting Numbers: [28, 22, 24] Generated Node #0,1: 88:[28, 22, 24] Operation: 34-10=24 Exploring Operation: 34+10=44, Resulting Numbers: [28, 22, 44] Generated Node #0,2: 88:[28, 22, 44] Operation: 34+10=44 Exploring Operation: 34-22=12, Resulting Numbers: [28, 10, 12] Generated Node #0,3: 88:[28, 10, 12] Operation: 34-22=12 Exploring Operation: 34-28=6, Resulting Numbers: [22, 10, 6] Generated Node #0,4: 88:[22, 10, 6] Operation: 34-28=6 Start Sub Search at level 1: Moving to Node #0,4 Current State: 88:[22, 10, 6], Operations: ['34-28=6'] Exploring Operation: 22-6=16, Resulting Numbers: [10, 16] Generated Node #0,4,0: 88:[10, 16] Operation: 22-6=16 Exploring Operation: 10-6=4, Resulting Numbers: [22, 4] Generated Node #0,4,1: 88:[22, 4] Operation: 10-6=4 Exploring Operation: 22-10=12, Resulting Numbers: [6, 12] Generated Node #0,4,2: 88:[6, 12] Operation: 22-10=12 Exploring Operation: 22+6=28, Resulting Numbers: [10, 28] Generated Node #0,4,3: 88:[10, 28] Operation: 22+6=28 Exploring Operation: 10+6=16, Resulting Numbers: [22, 16] Generated Node #0,4,4: 88:[22, 16] Operation: 10+6=16 Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 88:[22, 4], Operations: ['34-28=6', '10-6=4'] Exploring Operation: 22-4=18, Resulting Numbers: [18] 18,88 unequal: No Solution Exploring Operation: 22*4=88, Resulting Numbers: [88] 88,88 equal: Goal Reached Moving to Node #0 Current State: 88:[28, 34, 22, 10], Operations: [] Exploring Operation: 34-28=6, Resulting Numbers: [22, 10, 6] Generated Node #0,4: 88:[22, 10, 6] Operation: 34-28=6 Moving to Node #0,4 Current State: 88:[22, 10, 6], Operations: ['34-28=6'] Exploring Operation: 10-6=4, Resulting Numbers: [22, 4] Generated Node #0,4,1: 88:[22, 4] Operation: 10-6=4 Moving to Node #0,4,1 Current State: 88:[22, 4], Operations: ['34-28=6', '10-6=4'] Exploring Operation: 22*4=88, Resulting Numbers: [88] 88,88 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986111
hs_5
mult_heuristic
[ 6, 52, 2, 20 ]
76
[ "6+52=58", "20-2=18", "58+18=76" ]
Current State: 76:[6, 52, 2, 20], Operations: [] Exploring Operation: 6+52=58, Resulting Numbers: [2, 20, 58] Generated Node #2: [2, 20, 58] from Operation: 6+52=58 Current State: 76:[2, 20, 58], Operations: ['6+52=58'] Exploring Operation: 20-2=18, Resulting Numbers: [58, 18] Generated Node #3: [58, 18] from Operation: 20-2=18 Current State: 76:[58, 18], Operations: ['6+52=58', '20-2=18'] Exploring Operation: 58+18=76, Resulting Numbers: [76] 76,76 equal: Goal Reached
4
Current State: 76:[6, 52, 2, 20], Operations: [] Exploring Operation: 52-6=46, Resulting Numbers: [2, 20, 46] Generated Node #0,0: 76:[2, 20, 46] Operation: 52-6=46 Exploring Operation: 52-20=32, Resulting Numbers: [6, 2, 32] Generated Node #0,1: 76:[6, 2, 32] Operation: 52-20=32 Exploring Operation: 52+20=72, Resulting Numbers: [6, 2, 72] Generated Node #0,2: 76:[6, 2, 72] Operation: 52+20=72 Moving to Node #0,2 Current State: 76:[6, 2, 72], Operations: ['52+20=72'] Exploring Operation: 6+72=78, Resulting Numbers: [2, 78] Generated Node #0,2,0: 76:[2, 78] Operation: 6+72=78 Exploring Operation: 6-2=4, Resulting Numbers: [72, 4] Generated Node #0,2,1: 76:[72, 4] Operation: 6-2=4 Exploring Operation: 2+72=74, Resulting Numbers: [6, 74] Generated Node #0,2,2: 76:[6, 74] Operation: 2+72=74 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 76:[2, 78], Operations: ['52+20=72', '6+72=78'] Exploring Operation: 78-2=76, Resulting Numbers: [76] 76,76 equal: Goal Reached Moving to Node #0 Current State: 76:[6, 52, 2, 20], Operations: [] Exploring Operation: 52+20=72, Resulting Numbers: [6, 2, 72] Generated Node #0,2: 76:[6, 2, 72] Operation: 52+20=72 Moving to Node #0,2 Current State: 76:[6, 2, 72], Operations: ['52+20=72'] Exploring Operation: 6+72=78, Resulting Numbers: [2, 78] Generated Node #0,2,0: 76:[2, 78] Operation: 6+72=78 Moving to Node #0,2,0 Current State: 76:[2, 78], Operations: ['52+20=72', '6+72=78'] Exploring Operation: 78-2=76, Resulting Numbers: [76] 76,76 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_3
mult_heuristic
[ 72, 42, 74, 21 ]
42
[ "74-72=2", "42-21=21", "2*21=42" ]
Current State: 42:[72, 42, 74, 21], Operations: [] Exploring Operation: 74-72=2, Resulting Numbers: [42, 21, 2] Generated Node #2: [42, 21, 2] from Operation: 74-72=2 Current State: 42:[42, 21, 2], Operations: ['74-72=2'] Exploring Operation: 42-21=21, Resulting Numbers: [2, 21] Generated Node #3: [2, 21] from Operation: 42-21=21 Current State: 42:[2, 21], Operations: ['74-72=2', '42-21=21'] Exploring Operation: 2*21=42, Resulting Numbers: [42] 42,42 equal: Goal Reached
4
Current State: 42:[72, 42, 74, 21], Operations: [] Exploring Operation: 74-72=2, Resulting Numbers: [42, 21, 2] Generated Node #0,0: 42:[42, 21, 2] Operation: 74-72=2 Exploring Operation: 74-42=32, Resulting Numbers: [72, 21, 32] Generated Node #0,1: 42:[72, 21, 32] Operation: 74-42=32 Exploring Operation: 72-42=30, Resulting Numbers: [74, 21, 30] Generated Node #0,2: 42:[74, 21, 30] Operation: 72-42=30 Moving to Node #0,0 Current State: 42:[42, 21, 2], Operations: ['74-72=2'] Exploring Operation: 42/21=2, Resulting Numbers: [2, 2] Generated Node #0,0,0: 42:[2, 2] Operation: 42/21=2 Exploring Operation: 42-21=21, Resulting Numbers: [2, 21] Generated Node #0,0,1: 42:[2, 21] Operation: 42-21=21 Exploring Operation: 42/2=21, Resulting Numbers: [21, 21] Generated Node #0,0,2: 42:[21, 21] Operation: 42/2=21 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 42:[2, 2], Operations: ['74-72=2', '42/21=2'] Exploring Operation: 2*2=4, Resulting Numbers: [4] 4,42 unequal: No Solution Exploring Operation: 2+2=4, Resulting Numbers: [4] 4,42 unequal: No Solution Exploring Operation: 2/2=1, Resulting Numbers: [1] 1,42 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 42:[2, 21], Operations: ['74-72=2', '42-21=21'] Exploring Operation: 2+21=23, Resulting Numbers: [23] 23,42 unequal: No Solution Exploring Operation: 21-2=19, Resulting Numbers: [19] 19,42 unequal: No Solution Exploring Operation: 2*21=42, Resulting Numbers: [42] 42,42 equal: Goal Reached Moving to Node #0 Current State: 42:[72, 42, 74, 21], Operations: [] Exploring Operation: 74-72=2, Resulting Numbers: [42, 21, 2] Generated Node #0,0: 42:[42, 21, 2] Operation: 74-72=2 Moving to Node #0,0 Current State: 42:[42, 21, 2], Operations: ['74-72=2'] Exploring Operation: 42-21=21, Resulting Numbers: [2, 21] Generated Node #0,0,1: 42:[2, 21] Operation: 42-21=21 Moving to Node #0,0,1 Current State: 42:[2, 21], Operations: ['74-72=2', '42-21=21'] Exploring Operation: 2*21=42, Resulting Numbers: [42] 42,42 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_3
sum_heuristic
[ 5, 87, 86, 55 ]
61
[ "5+87=92", "86-55=31", "92-31=61" ]
Current State: 61:[5, 87, 86, 55], Operations: [] Exploring Operation: 5+87=92, Resulting Numbers: [86, 55, 92] Generated Node #2: [86, 55, 92] from Operation: 5+87=92 Current State: 61:[86, 55, 92], Operations: ['5+87=92'] Exploring Operation: 86-55=31, Resulting Numbers: [92, 31] Generated Node #3: [92, 31] from Operation: 86-55=31 Current State: 61:[92, 31], Operations: ['5+87=92', '86-55=31'] Exploring Operation: 92-31=61, Resulting Numbers: [61] 61,61 equal: Goal Reached
4
Current State: 61:[5, 87, 86, 55], Operations: [] Exploring Operation: 86-5=81, Resulting Numbers: [87, 55, 81] Generated Node #0,0: 61:[87, 55, 81] Operation: 86-5=81 Exploring Operation: 87-5=82, Resulting Numbers: [86, 55, 82] Generated Node #0,1: 61:[86, 55, 82] Operation: 87-5=82 Moving to Node #0,0 Current State: 61:[87, 55, 81], Operations: ['86-5=81'] Exploring Operation: 87-55=32, Resulting Numbers: [81, 32] Generated Node #0,0,0: 61:[81, 32] Operation: 87-55=32 Exploring Operation: 87-81=6, Resulting Numbers: [55, 6] Generated Node #0,0,1: 61:[55, 6] Operation: 87-81=6 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 61:[81, 32], Operations: ['86-5=81', '87-55=32'] Exploring Operation: 81-32=49, Resulting Numbers: [49] 49,61 unequal: No Solution Exploring Operation: 81+32=113, Resulting Numbers: [113] 113,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 61:[55, 6], Operations: ['86-5=81', '87-81=6'] Exploring Operation: 55+6=61, Resulting Numbers: [61] 61,61 equal: Goal Reached Moving to Node #0 Current State: 61:[5, 87, 86, 55], Operations: [] Exploring Operation: 86-5=81, Resulting Numbers: [87, 55, 81] Generated Node #0,0: 61:[87, 55, 81] Operation: 86-5=81 Moving to Node #0,0 Current State: 61:[87, 55, 81], Operations: ['86-5=81'] Exploring Operation: 87-81=6, Resulting Numbers: [55, 6] Generated Node #0,0,1: 61:[55, 6] Operation: 87-81=6 Moving to Node #0,0,1 Current State: 61:[55, 6], Operations: ['86-5=81', '87-81=6'] Exploring Operation: 55+6=61, Resulting Numbers: [61] 61,61 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_2
mult_heuristic
[ 58, 36, 7, 23 ]
52
[ "58-36=22", "7+23=30", "22+30=52" ]
Current State: 52:[58, 36, 7, 23], Operations: [] Exploring Operation: 58-36=22, Resulting Numbers: [7, 23, 22] Generated Node #2: [7, 23, 22] from Operation: 58-36=22 Current State: 52:[7, 23, 22], Operations: ['58-36=22'] Exploring Operation: 7+23=30, Resulting Numbers: [22, 30] Generated Node #3: [22, 30] from Operation: 7+23=30 Current State: 52:[22, 30], Operations: ['58-36=22', '7+23=30'] Exploring Operation: 22+30=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[58, 36, 7, 23], Operations: [] Exploring Operation: 36-7=29, Resulting Numbers: [58, 23, 29] Generated Node #0,0: 52:[58, 23, 29] Operation: 36-7=29 Exploring Operation: 58-36=22, Resulting Numbers: [7, 23, 22] Generated Node #0,1: 52:[7, 23, 22] Operation: 58-36=22 Exploring Operation: 36-23=13, Resulting Numbers: [58, 7, 13] Generated Node #0,2: 52:[58, 7, 13] Operation: 36-23=13 Start Sub Search at level 1: Moving to Node #0,2 Current State: 52:[58, 7, 13], Operations: ['36-23=13'] Exploring Operation: 58-13=45, Resulting Numbers: [7, 45] Generated Node #0,2,0: 52:[7, 45] Operation: 58-13=45 Exploring Operation: 13-7=6, Resulting Numbers: [58, 6] Generated Node #0,2,1: 52:[58, 6] Operation: 13-7=6 Exploring Operation: 58-7=51, Resulting Numbers: [13, 51] Generated Node #0,2,2: 52:[13, 51] Operation: 58-7=51 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 52:[13, 51], Operations: ['36-23=13', '58-7=51'] Exploring Operation: 51-13=38, Resulting Numbers: [38] 38,52 unequal: No Solution Exploring Operation: 13*51=663, Resulting Numbers: [663] 663,52 unequal: No Solution Exploring Operation: 13+51=64, Resulting Numbers: [64] 64,52 unequal: No Solution No 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: 52:[58, 6], Operations: ['36-23=13', '13-7=6'] Exploring Operation: 58*6=348, Resulting Numbers: [348] 348,52 unequal: No Solution Exploring Operation: 58-6=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Moving to Node #0 Current State: 52:[58, 36, 7, 23], Operations: [] Exploring Operation: 36-23=13, Resulting Numbers: [58, 7, 13] Generated Node #0,2: 52:[58, 7, 13] Operation: 36-23=13 Moving to Node #0,2 Current State: 52:[58, 7, 13], Operations: ['36-23=13'] Exploring Operation: 13-7=6, Resulting Numbers: [58, 6] Generated Node #0,2,1: 52:[58, 6] Operation: 13-7=6 Moving to Node #0,2,1 Current State: 52:[58, 6], Operations: ['36-23=13', '13-7=6'] Exploring Operation: 58-6=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986979
hs_3
mult_heuristic
[ 99, 63, 30, 85 ]
82
[ "63-30=33", "99/33=3", "85-3=82" ]
Current State: 82:[99, 63, 30, 85], Operations: [] Exploring Operation: 63-30=33, Resulting Numbers: [99, 85, 33] Generated Node #2: [99, 85, 33] from Operation: 63-30=33 Current State: 82:[99, 85, 33], Operations: ['63-30=33'] Exploring Operation: 99/33=3, Resulting Numbers: [85, 3] Generated Node #3: [85, 3] from Operation: 99/33=3 Current State: 82:[85, 3], Operations: ['63-30=33', '99/33=3'] Exploring Operation: 85-3=82, Resulting Numbers: [82] 82,82 equal: Goal Reached
4
Current State: 82:[99, 63, 30, 85], Operations: [] Exploring Operation: 63+30=93, Resulting Numbers: [99, 85, 93] Generated Node #0,0: 82:[99, 85, 93] Operation: 63+30=93 Exploring Operation: 63-30=33, Resulting Numbers: [99, 85, 33] Generated Node #0,1: 82:[99, 85, 33] Operation: 63-30=33 Exploring Operation: 99-63=36, Resulting Numbers: [30, 85, 36] Generated Node #0,2: 82:[30, 85, 36] Operation: 99-63=36 Moving to Node #0,2 Current State: 82:[30, 85, 36], Operations: ['99-63=36'] Exploring Operation: 30+36=66, Resulting Numbers: [85, 66] Generated Node #0,2,0: 82:[85, 66] Operation: 30+36=66 Exploring Operation: 36-30=6, Resulting Numbers: [85, 6] Generated Node #0,2,1: 82:[85, 6] Operation: 36-30=6 Exploring Operation: 85-30=55, Resulting Numbers: [36, 55] Generated Node #0,2,2: 82:[36, 55] Operation: 85-30=55 Moving to Node #0,1 Current State: 82:[99, 85, 33], Operations: ['63-30=33'] Exploring Operation: 99-85=14, Resulting Numbers: [33, 14] Generated Node #0,1,0: 82:[33, 14] Operation: 99-85=14 Exploring Operation: 99-33=66, Resulting Numbers: [85, 66] Generated Node #0,1,1: 82:[85, 66] Operation: 99-33=66 Exploring Operation: 99/33=3, Resulting Numbers: [85, 3] Generated Node #0,1,2: 82:[85, 3] Operation: 99/33=3 Moving to Node #0,0 Current State: 82:[99, 85, 93], Operations: ['63+30=93'] Exploring Operation: 99-93=6, Resulting Numbers: [85, 6] Generated Node #0,0,0: 82:[85, 6] Operation: 99-93=6 Exploring Operation: 99-85=14, Resulting Numbers: [93, 14] Generated Node #0,0,1: 82:[93, 14] Operation: 99-85=14 Exploring Operation: 93-85=8, Resulting Numbers: [99, 8] Generated Node #0,0,2: 82:[99, 8] Operation: 93-85=8 Moving to Node #0,1,2 Current State: 82:[85, 3], Operations: ['63-30=33', '99/33=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:[99, 63, 30, 85], Operations: [] Exploring Operation: 63-30=33, Resulting Numbers: [99, 85, 33] Generated Node #0,1: 82:[99, 85, 33] Operation: 63-30=33 Moving to Node #0,1 Current State: 82:[99, 85, 33], Operations: ['63-30=33'] Exploring Operation: 99/33=3, Resulting Numbers: [85, 3] Generated Node #0,1,2: 82:[85, 3] Operation: 99/33=3 Moving to Node #0,1,2 Current State: 82:[85, 3], Operations: ['63-30=33', '99/33=3'] Exploring Operation: 85-3=82, Resulting Numbers: [82] 82,82 equal: Goal Reached
0.983507
hs_3
mult_heuristic
[ 18, 18, 2, 76 ]
38
[ "18+18=36", "76-2=74", "74-36=38" ]
Current State: 38:[18, 18, 2, 76], Operations: [] Exploring Operation: 18+18=36, Resulting Numbers: [2, 76, 36] Generated Node #2: [2, 76, 36] from Operation: 18+18=36 Current State: 38:[2, 76, 36], Operations: ['18+18=36'] Exploring Operation: 76-2=74, Resulting Numbers: [36, 74] Generated Node #3: [36, 74] from Operation: 76-2=74 Current State: 38:[36, 74], Operations: ['18+18=36', '76-2=74'] Exploring Operation: 74-36=38, Resulting Numbers: [38] 38,38 equal: Goal Reached
4
Current State: 38:[18, 18, 2, 76], Operations: [] Exploring Operation: 76/2=38, Resulting Numbers: [18, 18, 38] Generated Node #0,0: 38:[18, 18, 38] Operation: 76/2=38 Exploring Operation: 76-18=58, Resulting Numbers: [18, 2, 58] Generated Node #0,1: 38:[18, 2, 58] Operation: 76-18=58 Start Sub Search at level 1: Moving to Node #0,0 Current State: 38:[18, 18, 38], Operations: ['76/2=38'] Exploring Operation: 18/18=1, Resulting Numbers: [38, 1] Generated Node #0,0,0: 38:[38, 1] Operation: 18/18=1 Exploring Operation: 18+18=36, Resulting Numbers: [38, 36] Generated Node #0,0,1: 38:[38, 36] Operation: 18+18=36 Moving to Node #0,0,0 Current State: 38:[38, 1], Operations: ['76/2=38', '18/18=1'] Exploring Operation: 38*1=38, Resulting Numbers: [38] 38,38 equal: Goal Reached Moving to Node #0 Current State: 38:[18, 18, 2, 76], Operations: [] Exploring Operation: 76/2=38, Resulting Numbers: [18, 18, 38] Generated Node #0,0: 38:[18, 18, 38] Operation: 76/2=38 Moving to Node #0,0 Current State: 38:[18, 18, 38], Operations: ['76/2=38'] Exploring Operation: 18/18=1, Resulting Numbers: [38, 1] Generated Node #0,0,0: 38:[38, 1] Operation: 18/18=1 Moving to Node #0,0,0 Current State: 38:[38, 1], Operations: ['76/2=38', '18/18=1'] Exploring Operation: 38*1=38, Resulting Numbers: [38] 38,38 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
sum_heuristic
[ 10, 74, 52, 67 ]
79
[ "74-10=64", "67-52=15", "64+15=79" ]
Current State: 79:[10, 74, 52, 67], Operations: [] Exploring Operation: 74-10=64, Resulting Numbers: [52, 67, 64] Generated Node #2: [52, 67, 64] from Operation: 74-10=64 Current State: 79:[52, 67, 64], Operations: ['74-10=64'] Exploring Operation: 67-52=15, Resulting Numbers: [64, 15] Generated Node #3: [64, 15] from Operation: 67-52=15 Current State: 79:[64, 15], Operations: ['74-10=64', '67-52=15'] Exploring Operation: 64+15=79, Resulting Numbers: [79] 79,79 equal: Goal Reached
4
Current State: 79:[10, 74, 52, 67], Operations: [] Exploring Operation: 10+52=62, Resulting Numbers: [74, 67, 62] Generated Node #0,0: 79:[74, 67, 62] Operation: 10+52=62 Start Sub Search at level 1: Moving to Node #0,0 Current State: 79:[74, 67, 62], Operations: ['10+52=62'] Exploring Operation: 67+62=129, Resulting Numbers: [74, 129] Generated Node #0,0,0: 79:[74, 129] Operation: 67+62=129 Moving to Node #0,0,0 Current State: 79:[74, 129], Operations: ['10+52=62', '67+62=129'] Exploring Operation: 129-74=55, Resulting Numbers: [55] 55,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 7, 93, 39, 16 ]
31
[ "93-7=86", "39+16=55", "86-55=31" ]
Current State: 31:[7, 93, 39, 16], Operations: [] Exploring Operation: 93-7=86, Resulting Numbers: [39, 16, 86] Generated Node #2: [39, 16, 86] from Operation: 93-7=86 Current State: 31:[39, 16, 86], Operations: ['93-7=86'] Exploring Operation: 39+16=55, Resulting Numbers: [86, 55] Generated Node #3: [86, 55] from Operation: 39+16=55 Current State: 31:[86, 55], Operations: ['93-7=86', '39+16=55'] Exploring Operation: 86-55=31, Resulting Numbers: [31] 31,31 equal: Goal Reached
4
Current State: 31:[7, 93, 39, 16], Operations: [] Exploring Operation: 39-7=32, Resulting Numbers: [93, 16, 32] Generated Node #0,0: 31:[93, 16, 32] Operation: 39-7=32 Exploring Operation: 7+16=23, Resulting Numbers: [93, 39, 23] Generated Node #0,1: 31:[93, 39, 23] Operation: 7+16=23 Exploring Operation: 93-39=54, Resulting Numbers: [7, 16, 54] Generated Node #0,2: 31:[7, 16, 54] Operation: 93-39=54 Exploring Operation: 93-7=86, Resulting Numbers: [39, 16, 86] Generated Node #0,3: 31:[39, 16, 86] Operation: 93-7=86 Exploring Operation: 93-16=77, Resulting Numbers: [7, 39, 77] Generated Node #0,4: 31:[7, 39, 77] Operation: 93-16=77 Moving to Node #0,2 Current State: 31:[7, 16, 54], Operations: ['93-39=54'] Exploring Operation: 54-7=47, Resulting Numbers: [16, 47] Generated Node #0,2,0: 31:[16, 47] Operation: 54-7=47 Exploring Operation: 54-16=38, Resulting Numbers: [7, 38] Generated Node #0,2,1: 31:[7, 38] Operation: 54-16=38 Exploring Operation: 7+16=23, Resulting Numbers: [54, 23] Generated Node #0,2,2: 31:[54, 23] Operation: 7+16=23 Exploring Operation: 7+54=61, Resulting Numbers: [16, 61] Generated Node #0,2,3: 31:[16, 61] Operation: 7+54=61 Exploring Operation: 16-7=9, Resulting Numbers: [54, 9] Generated Node #0,2,4: 31:[54, 9] Operation: 16-7=9 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 31:[16, 47], Operations: ['93-39=54', '54-7=47'] Exploring Operation: 16+47=63, Resulting Numbers: [63] 63,31 unequal: No Solution Exploring Operation: 16*47=752, Resulting Numbers: [752] 752,31 unequal: No Solution Exploring Operation: 47-16=31, Resulting Numbers: [31] 31,31 equal: Goal Reached Moving to Node #0 Current State: 31:[7, 93, 39, 16], Operations: [] Exploring Operation: 93-39=54, Resulting Numbers: [7, 16, 54] Generated Node #0,2: 31:[7, 16, 54] Operation: 93-39=54 Moving to Node #0,2 Current State: 31:[7, 16, 54], Operations: ['93-39=54'] Exploring Operation: 54-7=47, Resulting Numbers: [16, 47] Generated Node #0,2,0: 31:[16, 47] Operation: 54-7=47 Moving to Node #0,2,0 Current State: 31:[16, 47], Operations: ['93-39=54', '54-7=47'] Exploring Operation: 47-16=31, Resulting Numbers: [31] 31,31 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_5
mult_heuristic
[ 49, 55, 50, 47 ]
18
[ "55-49=6", "50-47=3", "6*3=18" ]
Current State: 18:[49, 55, 50, 47], Operations: [] Exploring Operation: 55-49=6, Resulting Numbers: [50, 47, 6] Generated Node #2: [50, 47, 6] from Operation: 55-49=6 Current State: 18:[50, 47, 6], Operations: ['55-49=6'] Exploring Operation: 50-47=3, Resulting Numbers: [6, 3] Generated Node #3: [6, 3] from Operation: 50-47=3 Current State: 18:[6, 3], Operations: ['55-49=6', '50-47=3'] Exploring Operation: 6*3=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[49, 55, 50, 47], Operations: [] Exploring Operation: 55-47=8, Resulting Numbers: [49, 50, 8] Generated Node #0,0: 18:[49, 50, 8] Operation: 55-47=8 Exploring Operation: 50-47=3, Resulting Numbers: [49, 55, 3] Generated Node #0,1: 18:[49, 55, 3] Operation: 50-47=3 Exploring Operation: 55-49=6, Resulting Numbers: [50, 47, 6] Generated Node #0,2: 18:[50, 47, 6] Operation: 55-49=6 Exploring Operation: 55-50=5, Resulting Numbers: [49, 47, 5] Generated Node #0,3: 18:[49, 47, 5] Operation: 55-50=5 Exploring Operation: 50-49=1, Resulting Numbers: [55, 47, 1] Generated Node #0,4: 18:[55, 47, 1] Operation: 50-49=1 Moving to Node #0,2 Current State: 18:[50, 47, 6], Operations: ['55-49=6'] Exploring Operation: 47-6=41, Resulting Numbers: [50, 41] Generated Node #0,2,0: 18:[50, 41] Operation: 47-6=41 Exploring Operation: 50-6=44, Resulting Numbers: [47, 44] Generated Node #0,2,1: 18:[47, 44] Operation: 50-6=44 Exploring Operation: 50-47=3, Resulting Numbers: [6, 3] Generated Node #0,2,2: 18:[6, 3] Operation: 50-47=3 Exploring Operation: 50+6=56, Resulting Numbers: [47, 56] Generated Node #0,2,3: 18:[47, 56] Operation: 50+6=56 Exploring Operation: 47+6=53, Resulting Numbers: [50, 53] Generated Node #0,2,4: 18:[50, 53] Operation: 47+6=53 Moving to Node #0,3 Current State: 18:[49, 47, 5], Operations: ['55-50=5'] Exploring Operation: 47+5=52, Resulting Numbers: [49, 52] Generated Node #0,3,0: 18:[49, 52] Operation: 47+5=52 Exploring Operation: 49-47=2, Resulting Numbers: [5, 2] Generated Node #0,3,1: 18:[5, 2] Operation: 49-47=2 Exploring Operation: 47-5=42, Resulting Numbers: [49, 42] Generated Node #0,3,2: 18:[49, 42] Operation: 47-5=42 Exploring Operation: 49+5=54, Resulting Numbers: [47, 54] Generated Node #0,3,3: 18:[47, 54] Operation: 49+5=54 Exploring Operation: 49-5=44, Resulting Numbers: [47, 44] Generated Node #0,3,4: 18:[47, 44] Operation: 49-5=44 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 18:[5, 2], Operations: ['55-50=5', '49-47=2'] Exploring Operation: 5*2=10, Resulting Numbers: [10] 10,18 unequal: No Solution Exploring Operation: 5-2=3, Resulting Numbers: [3] 3,18 unequal: No Solution Exploring Operation: 5+2=7, Resulting Numbers: [7] 7,18 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 18:[49, 42], Operations: ['55-50=5', '47-5=42'] Exploring Operation: 49*42=2058, Resulting Numbers: [2058] 2058,18 unequal: No Solution Exploring Operation: 49-42=7, Resulting Numbers: [7] 7,18 unequal: No Solution Exploring Operation: 49+42=91, Resulting Numbers: [91] 91,18 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 18:[47, 44], Operations: ['55-50=5', '49-5=44'] Exploring Operation: 47+44=91, Resulting Numbers: [91] 91,18 unequal: No Solution Exploring Operation: 47-44=3, Resulting Numbers: [3] 3,18 unequal: No Solution Exploring Operation: 47*44=2068, Resulting Numbers: [2068] 2068,18 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 18:[49, 52], Operations: ['55-50=5', '47+5=52'] Exploring Operation: 49+52=101, Resulting Numbers: [101] 101,18 unequal: No Solution Exploring Operation: 49*52=2548, Resulting Numbers: [2548] 2548,18 unequal: No Solution Exploring Operation: 52-49=3, Resulting Numbers: [3] 3,18 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 18:[47, 54], Operations: ['55-50=5', '49+5=54'] Exploring Operation: 54-47=7, Resulting Numbers: [7] 7,18 unequal: No Solution Exploring Operation: 47*54=2538, Resulting Numbers: [2538] 2538,18 unequal: No Solution Exploring Operation: 47+54=101, Resulting Numbers: [101] 101,18 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 18:[49, 50, 8], Operations: ['55-47=8'] Exploring Operation: 50-8=42, Resulting Numbers: [49, 42] Generated Node #0,0,0: 18:[49, 42] Operation: 50-8=42 Exploring Operation: 49+8=57, Resulting Numbers: [50, 57] Generated Node #0,0,1: 18:[50, 57] Operation: 49+8=57 Exploring Operation: 50-49=1, Resulting Numbers: [8, 1] Generated Node #0,0,2: 18:[8, 1] Operation: 50-49=1 Exploring Operation: 49-8=41, Resulting Numbers: [50, 41] Generated Node #0,0,3: 18:[50, 41] Operation: 49-8=41 Exploring Operation: 50+8=58, Resulting Numbers: [49, 58] Generated Node #0,0,4: 18:[49, 58] Operation: 50+8=58 Moving to Node #0,4 Current State: 18:[55, 47, 1], Operations: ['50-49=1'] Exploring Operation: 55/1=55, Resulting Numbers: [47, 55] Generated Node #0,4,0: 18:[47, 55] Operation: 55/1=55 Exploring Operation: 47-1=46, Resulting Numbers: [55, 46] Generated Node #0,4,1: 18:[55, 46] Operation: 47-1=46 Exploring Operation: 55-47=8, Resulting Numbers: [1, 8] Generated Node #0,4,2: 18:[1, 8] Operation: 55-47=8 Exploring Operation: 55-1=54, Resulting Numbers: [47, 54] Generated Node #0,4,3: 18:[47, 54] Operation: 55-1=54 Exploring Operation: 55*1=55, Resulting Numbers: [47, 55] Generated Node #0,4,4: 18:[47, 55] Operation: 55*1=55 Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 18:[1, 8], Operations: ['50-49=1', '55-47=8'] Exploring Operation: 8/1=8, Resulting Numbers: [8] 8,18 unequal: No Solution Exploring Operation: 1+8=9, Resulting Numbers: [9] 9,18 unequal: No Solution Exploring Operation: 8-1=7, Resulting Numbers: [7] 7,18 unequal: No Solution Exploring Operation: 1*8=8, Resulting Numbers: [8] 8,18 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 18:[55, 46], Operations: ['50-49=1', '47-1=46'] Exploring Operation: 55*46=2530, Resulting Numbers: [2530] 2530,18 unequal: No Solution Exploring Operation: 55+46=101, Resulting Numbers: [101] 101,18 unequal: No Solution Exploring Operation: 55-46=9, Resulting Numbers: [9] 9,18 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 18:[47, 54], Operations: ['50-49=1', '55-1=54'] Exploring Operation: 54-47=7, Resulting Numbers: [7] 7,18 unequal: No Solution Exploring Operation: 47*54=2538, Resulting Numbers: [2538] 2538,18 unequal: No Solution Exploring Operation: 47+54=101, Resulting Numbers: [101] 101,18 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 18:[47, 55], Operations: ['50-49=1', '55/1=55'] Exploring Operation: 55-47=8, Resulting Numbers: [8] 8,18 unequal: No Solution Exploring Operation: 47+55=102, Resulting Numbers: [102] 102,18 unequal: No Solution Exploring Operation: 47*55=2585, Resulting Numbers: [2585] 2585,18 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 18:[47, 55], Operations: ['50-49=1', '55*1=55'] Exploring Operation: 55-47=8, Resulting Numbers: [8] 8,18 unequal: No Solution Exploring Operation: 47*55=2585, Resulting Numbers: [2585] 2585,18 unequal: No Solution Exploring Operation: 47+55=102, Resulting Numbers: [102] 102,18 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: 18:[49, 55, 3], Operations: ['50-47=3'] Exploring Operation: 49-3=46, Resulting Numbers: [55, 46] Generated Node #0,1,0: 18:[55, 46] Operation: 49-3=46 Exploring Operation: 49+3=52, Resulting Numbers: [55, 52] Generated Node #0,1,1: 18:[55, 52] Operation: 49+3=52 Exploring Operation: 55-3=52, Resulting Numbers: [49, 52] Generated Node #0,1,2: 18:[49, 52] Operation: 55-3=52 Exploring Operation: 55+3=58, Resulting Numbers: [49, 58] Generated Node #0,1,3: 18:[49, 58] Operation: 55+3=58 Exploring Operation: 55-49=6, Resulting Numbers: [3, 6] Generated Node #0,1,4: 18:[3, 6] Operation: 55-49=6 Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 18:[3, 6], Operations: ['50-47=3', '55-49=6'] Exploring Operation: 3+6=9, Resulting Numbers: [9] 9,18 unequal: No Solution Exploring Operation: 6/3=2, Resulting Numbers: [2] 2,18 unequal: No Solution Exploring Operation: 6-3=3, Resulting Numbers: [3] 3,18 unequal: No Solution Exploring Operation: 3*6=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Moving to Node #0 Current State: 18:[49, 55, 50, 47], Operations: [] Exploring Operation: 50-47=3, Resulting Numbers: [49, 55, 3] Generated Node #0,1: 18:[49, 55, 3] Operation: 50-47=3 Moving to Node #0,1 Current State: 18:[49, 55, 3], Operations: ['50-47=3'] Exploring Operation: 55-49=6, Resulting Numbers: [3, 6] Generated Node #0,1,4: 18:[3, 6] Operation: 55-49=6 Moving to Node #0,1,4 Current State: 18:[3, 6], Operations: ['50-47=3', '55-49=6'] Exploring Operation: 3*6=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Exit Sub Search at level 1
0.940104
hs_5
sum_heuristic
[ 96, 16, 69, 5 ]
16
[ "96-16=80", "69-5=64", "80-64=16" ]
Current State: 16:[96, 16, 69, 5], Operations: [] Exploring Operation: 96-16=80, Resulting Numbers: [69, 5, 80] Generated Node #2: [69, 5, 80] from Operation: 96-16=80 Current State: 16:[69, 5, 80], Operations: ['96-16=80'] Exploring Operation: 69-5=64, Resulting Numbers: [80, 64] Generated Node #3: [80, 64] from Operation: 69-5=64 Current State: 16:[80, 64], Operations: ['96-16=80', '69-5=64'] Exploring Operation: 80-64=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[96, 16, 69, 5], Operations: [] Exploring Operation: 96-69=27, Resulting Numbers: [16, 5, 27] Generated Node #0,0: 16:[16, 5, 27] Operation: 96-69=27 Moving to Node #0,0 Current State: 16:[16, 5, 27], Operations: ['96-69=27'] Exploring Operation: 27-16=11, Resulting Numbers: [5, 11] Generated Node #0,0,0: 16:[5, 11] Operation: 27-16=11 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 16:[5, 11], Operations: ['96-69=27', '27-16=11'] Exploring Operation: 5+11=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Moving to Node #0 Current State: 16:[96, 16, 69, 5], Operations: [] Exploring Operation: 96-69=27, Resulting Numbers: [16, 5, 27] Generated Node #0,0: 16:[16, 5, 27] Operation: 96-69=27 Moving to Node #0,0 Current State: 16:[16, 5, 27], Operations: ['96-69=27'] Exploring Operation: 27-16=11, Resulting Numbers: [5, 11] Generated Node #0,0,0: 16:[5, 11] Operation: 27-16=11 Moving to Node #0,0,0 Current State: 16:[5, 11], Operations: ['96-69=27', '27-16=11'] Exploring Operation: 5+11=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 66, 46, 66, 73 ]
73
[ "66-66=0", "46*0=0", "73+0=73" ]
Current State: 73:[66, 46, 66, 73], Operations: [] Exploring Operation: 66-66=0, Resulting Numbers: [46, 73, 0] Generated Node #2: [46, 73, 0] from Operation: 66-66=0 Current State: 73:[46, 73, 0], Operations: ['66-66=0'] Exploring Operation: 46*0=0, Resulting Numbers: [73, 0] Generated Node #3: [73, 0] from Operation: 46*0=0 Current State: 73:[73, 0], Operations: ['66-66=0', '46*0=0'] Exploring Operation: 73+0=73, Resulting Numbers: [73] 73,73 equal: Goal Reached
4
Current State: 73:[66, 46, 66, 73], Operations: [] Exploring Operation: 66-46=20, Resulting Numbers: [66, 73, 20] Generated Node #0,0: 73:[66, 73, 20] Operation: 66-46=20 Exploring Operation: 66-46=20, Resulting Numbers: [66, 73, 20] Generated Node #0,1: 73:[66, 73, 20] Operation: 66-46=20 Exploring Operation: 66+46=112, Resulting Numbers: [66, 73, 112] Generated Node #0,2: 73:[66, 73, 112] Operation: 66+46=112 Exploring Operation: 46+66=112, Resulting Numbers: [66, 73, 112] Generated Node #0,3: 73:[66, 73, 112] Operation: 46+66=112 Start Sub Search at level 1: Moving to Node #0,2 Current State: 73:[66, 73, 112], Operations: ['66+46=112'] Exploring Operation: 73-66=7, Resulting Numbers: [112, 7] Generated Node #0,2,0: 73:[112, 7] Operation: 73-66=7 Exploring Operation: 112-66=46, Resulting Numbers: [73, 46] Generated Node #0,2,1: 73:[73, 46] Operation: 112-66=46 Exploring Operation: 112-73=39, Resulting Numbers: [66, 39] Generated Node #0,2,2: 73:[66, 39] Operation: 112-73=39 Exploring Operation: 66+73=139, Resulting Numbers: [112, 139] Generated Node #0,2,3: 73:[112, 139] Operation: 66+73=139 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 73:[73, 46], Operations: ['66+46=112', '112-66=46'] Exploring Operation: 73*46=3358, Resulting Numbers: [3358] 3358,73 unequal: No Solution Exploring Operation: 73+46=119, Resulting Numbers: [119] 119,73 unequal: No Solution Exploring Operation: 73-46=27, Resulting Numbers: [27] 27,73 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 #0,2,2 Current State: 73:[66, 39], Operations: ['66+46=112', '112-73=39'] Exploring Operation: 66-39=27, Resulting Numbers: [27] 27,73 unequal: No Solution Exploring Operation: 66*39=2574, Resulting Numbers: [2574] 2574,73 unequal: No Solution Exploring Operation: 66+39=105, Resulting Numbers: [105] 105,73 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 #0,2,0 Current State: 73:[112, 7], Operations: ['66+46=112', '73-66=7'] Exploring Operation: 112+7=119, Resulting Numbers: [119] 119,73 unequal: No Solution Exploring Operation: 112/7=16, Resulting Numbers: [16] 16,73 unequal: No Solution Exploring Operation: 112-7=105, Resulting Numbers: [105] 105,73 unequal: No Solution Exploring Operation: 112*7=784, Resulting Numbers: [784] 784,73 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 #0,2,3 Current State: 73:[112, 139], Operations: ['66+46=112', '66+73=139'] Exploring Operation: 112+139=251, Resulting Numbers: [251] 251,73 unequal: No Solution Exploring Operation: 112*139=15568, Resulting Numbers: [15568] 15568,73 unequal: No Solution Exploring Operation: 139-112=27, Resulting Numbers: [27] 27,73 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 73:[66, 73, 112], Operations: ['46+66=112'] Exploring Operation: 112-66=46, Resulting Numbers: [73, 46] Generated Node #0,3,0: 73:[73, 46] Operation: 112-66=46 Exploring Operation: 112-73=39, Resulting Numbers: [66, 39] Generated Node #0,3,1: 73:[66, 39] Operation: 112-73=39 Exploring Operation: 66+73=139, Resulting Numbers: [112, 139] Generated Node #0,3,2: 73:[112, 139] Operation: 66+73=139 Exploring Operation: 73-66=7, Resulting Numbers: [112, 7] Generated Node #0,3,3: 73:[112, 7] Operation: 73-66=7 Moving to Node #0,3,0 Current State: 73:[73, 46], Operations: ['46+66=112', '112-66=46'] Exploring Operation: 73*46=3358, Resulting Numbers: [3358] 3358,73 unequal: No Solution Exploring Operation: 73+46=119, Resulting Numbers: [119] 119,73 unequal: No Solution Exploring Operation: 73-46=27, Resulting Numbers: [27] 27,73 unequal: No Solution Moving to Node #0,3,1 Current State: 73:[66, 39], Operations: ['46+66=112', '112-73=39'] Exploring Operation: 66*39=2574, Resulting Numbers: [2574] 2574,73 unequal: No Solution Exploring Operation: 66-39=27, Resulting Numbers: [27] 27,73 unequal: No Solution Exploring Operation: 66+39=105, Resulting Numbers: [105] 105,73 unequal: No Solution Moving to Node #0,3,3 Current State: 73:[112, 7], Operations: ['46+66=112', '73-66=7'] Exploring Operation: 112*7=784, Resulting Numbers: [784] 784,73 unequal: No Solution Exploring Operation: 112-7=105, Resulting Numbers: [105] 105,73 unequal: No Solution Exploring Operation: 112/7=16, Resulting Numbers: [16] 16,73 unequal: No Solution Exploring Operation: 112+7=119, Resulting Numbers: [119] 119,73 unequal: No Solution Moving to Node #0,3,2 Current State: 73:[112, 139], Operations: ['46+66=112', '66+73=139'] Exploring Operation: 139-112=27, Resulting Numbers: [27] 27,73 unequal: No Solution Exploring Operation: 112*139=15568, Resulting Numbers: [15568] 15568,73 unequal: No Solution Exploring Operation: 112+139=251, Resulting Numbers: [251] 251,73 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 Current State: 73:[66, 73, 20], Operations: ['66-46=20'] Exploring Operation: 66+20=86, Resulting Numbers: [73, 86] Generated Node #0,0,0: 73:[73, 86] Operation: 66+20=86 Exploring Operation: 73-20=53, Resulting Numbers: [66, 53] Generated Node #0,0,1: 73:[66, 53] Operation: 73-20=53 Exploring Operation: 73+20=93, Resulting Numbers: [66, 93] Generated Node #0,0,2: 73:[66, 93] Operation: 73+20=93 Exploring Operation: 66-20=46, Resulting Numbers: [73, 46] Generated Node #0,0,3: 73:[73, 46] Operation: 66-20=46 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 73:[73, 86], Operations: ['66-46=20', '66+20=86'] Exploring Operation: 86-73=13, Resulting Numbers: [13] 13,73 unequal: No Solution Exploring Operation: 73*86=6278, Resulting Numbers: [6278] 6278,73 unequal: No Solution Exploring Operation: 73+86=159, Resulting Numbers: [159] 159,73 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 73:[66, 53], Operations: ['66-46=20', '73-20=53'] Exploring Operation: 66+53=119, Resulting Numbers: [119] 119,73 unequal: No Solution Exploring Operation: 66-53=13, Resulting Numbers: [13] 13,73 unequal: No Solution Exploring Operation: 66*53=3498, Resulting Numbers: [3498] 3498,73 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 #0,0,2 Current State: 73:[66, 93], Operations: ['66-46=20', '73+20=93'] Exploring Operation: 66*93=6138, Resulting Numbers: [6138] 6138,73 unequal: No Solution Exploring Operation: 66+93=159, Resulting Numbers: [159] 159,73 unequal: No Solution Exploring Operation: 93-66=27, Resulting Numbers: [27] 27,73 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 #0,0,3 Current State: 73:[73, 46], Operations: ['66-46=20', '66-20=46'] Exploring Operation: 73*46=3358, Resulting Numbers: [3358] 3358,73 unequal: No Solution Exploring Operation: 73+46=119, Resulting Numbers: [119] 119,73 unequal: No Solution Exploring Operation: 73-46=27, Resulting Numbers: [27] 27,73 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 73:[66, 73, 20], Operations: ['66-46=20'] Exploring Operation: 66-20=46, Resulting Numbers: [73, 46] Generated Node #0,1,0: 73:[73, 46] Operation: 66-20=46 Exploring Operation: 66+20=86, Resulting Numbers: [73, 86] Generated Node #0,1,1: 73:[73, 86] Operation: 66+20=86 Exploring Operation: 73-20=53, Resulting Numbers: [66, 53] Generated Node #0,1,2: 73:[66, 53] Operation: 73-20=53 Exploring Operation: 73+20=93, Resulting Numbers: [66, 93] Generated Node #0,1,3: 73:[66, 93] Operation: 73+20=93 Moving to Node #0,1,1 Current State: 73:[73, 86], Operations: ['66-46=20', '66+20=86'] Exploring Operation: 86-73=13, Resulting Numbers: [13] 13,73 unequal: No Solution Exploring Operation: 73*86=6278, Resulting Numbers: [6278] 6278,73 unequal: No Solution Exploring Operation: 73+86=159, Resulting Numbers: [159] 159,73 unequal: No Solution Moving to Node #0,1,2 Current State: 73:[66, 53], Operations: ['66-46=20', '73-20=53'] Exploring Operation: 66+53=119, Resulting Numbers: [119] 119,73 unequal: No Solution Exploring Operation: 66*53=3498, Resulting Numbers: [3498] 3498,73 unequal: No Solution Exploring Operation: 66-53=13, Resulting Numbers: [13] 13,73 unequal: No Solution Moving to Node #0,1,0 Current State: 73:[73, 46], Operations: ['66-46=20', '66-20=46'] Exploring Operation: 73+46=119, Resulting Numbers: [119] 119,73 unequal: No Solution Exploring Operation: 73-46=27, Resulting Numbers: [27] 27,73 unequal: No Solution Exploring Operation: 73*46=3358, Resulting Numbers: [3358] 3358,73 unequal: No Solution Moving to Node #0,1,3 Current State: 73:[66, 93], Operations: ['66-46=20', '73+20=93'] Exploring Operation: 93-66=27, Resulting Numbers: [27] 27,73 unequal: No Solution Exploring Operation: 66+93=159, Resulting Numbers: [159] 159,73 unequal: No Solution Exploring Operation: 66*93=6138, Resulting Numbers: [6138] 6138,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
sum_heuristic
[ 38, 42, 89, 41 ]
52
[ "42-38=4", "89-41=48", "4+48=52" ]
Current State: 52:[38, 42, 89, 41], Operations: [] Exploring Operation: 42-38=4, Resulting Numbers: [89, 41, 4] Generated Node #2: [89, 41, 4] from Operation: 42-38=4 Current State: 52:[89, 41, 4], Operations: ['42-38=4'] Exploring Operation: 89-41=48, Resulting Numbers: [4, 48] Generated Node #3: [4, 48] from Operation: 89-41=48 Current State: 52:[4, 48], Operations: ['42-38=4', '89-41=48'] Exploring Operation: 4+48=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[38, 42, 89, 41], Operations: [] Exploring Operation: 89-42=47, Resulting Numbers: [38, 41, 47] Generated Node #0,0: 52:[38, 41, 47] Operation: 89-42=47 Exploring Operation: 89-38=51, Resulting Numbers: [42, 41, 51] Generated Node #0,1: 52:[42, 41, 51] Operation: 89-38=51 Exploring Operation: 42-38=4, Resulting Numbers: [89, 41, 4] Generated Node #0,2: 52:[89, 41, 4] Operation: 42-38=4 Exploring Operation: 89-41=48, Resulting Numbers: [38, 42, 48] Generated Node #0,3: 52:[38, 42, 48] Operation: 89-41=48 Start Sub Search at level 1: Moving to Node #0,1 Current State: 52:[42, 41, 51], Operations: ['89-38=51'] Exploring Operation: 42-41=1, Resulting Numbers: [51, 1] Generated Node #0,1,0: 52:[51, 1] Operation: 42-41=1 Exploring Operation: 51-41=10, Resulting Numbers: [42, 10] Generated Node #0,1,1: 52:[42, 10] Operation: 51-41=10 Exploring Operation: 42+41=83, Resulting Numbers: [51, 83] Generated Node #0,1,2: 52:[51, 83] Operation: 42+41=83 Exploring Operation: 51-42=9, Resulting Numbers: [41, 9] Generated Node #0,1,3: 52:[41, 9] Operation: 51-42=9 Moving to Node #0,1,0 Current State: 52:[51, 1], Operations: ['89-38=51', '42-41=1'] Exploring Operation: 51+1=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Moving to Node #0 Current State: 52:[38, 42, 89, 41], Operations: [] Exploring Operation: 89-38=51, Resulting Numbers: [42, 41, 51] Generated Node #0,1: 52:[42, 41, 51] Operation: 89-38=51 Moving to Node #0,1 Current State: 52:[42, 41, 51], Operations: ['89-38=51'] Exploring Operation: 42-41=1, Resulting Numbers: [51, 1] Generated Node #0,1,0: 52:[51, 1] Operation: 42-41=1 Moving to Node #0,1,0 Current State: 52:[51, 1], Operations: ['89-38=51', '42-41=1'] Exploring Operation: 51+1=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_4
mult_heuristic
[ 96, 89, 10, 7 ]
77
[ "96-89=7", "10*7=70", "7+70=77" ]
Current State: 77:[96, 89, 10, 7], Operations: [] Exploring Operation: 96-89=7, Resulting Numbers: [10, 7, 7] Generated Node #2: [10, 7, 7] from Operation: 96-89=7 Current State: 77:[10, 7, 7], Operations: ['96-89=7'] Exploring Operation: 10*7=70, Resulting Numbers: [70] 70,77 equal: Goal Reached Exploring Operation: 7+70=77, Resulting Numbers: [77] 77,77 equal: Goal Reached
4
Current State: 77:[96, 89, 10, 7], Operations: [] Exploring Operation: 89-10=79, Resulting Numbers: [96, 7, 79] Generated Node #0,0: 77:[96, 7, 79] Operation: 89-10=79 Exploring Operation: 96-7=89, Resulting Numbers: [89, 10, 89] Generated Node #0,1: 77:[89, 10, 89] Operation: 96-7=89 Exploring Operation: 96-89=7, Resulting Numbers: [10, 7, 7] Generated Node #0,2: 77:[10, 7, 7] Operation: 96-89=7 Exploring Operation: 96-10=86, Resulting Numbers: [89, 7, 86] Generated Node #0,3: 77:[89, 7, 86] Operation: 96-10=86 Moving to Node #0,2 Current State: 77:[10, 7, 7], Operations: ['96-89=7'] Exploring Operation: 7+7=14, Resulting Numbers: [10, 14] Generated Node #0,2,0: 77:[10, 14] Operation: 7+7=14 Exploring Operation: 10+7=17, Resulting Numbers: [7, 17] Generated Node #0,2,1: 77:[7, 17] Operation: 10+7=17 Exploring Operation: 10-7=3, Resulting Numbers: [7, 3] Generated Node #0,2,2: 77:[7, 3] Operation: 10-7=3 Exploring Operation: 10-7=3, Resulting Numbers: [7, 3] Generated Node #0,2,3: 77:[7, 3] Operation: 10-7=3 Moving to Node #0,3 Current State: 77:[89, 7, 86], Operations: ['96-10=86'] Exploring Operation: 89-86=3, Resulting Numbers: [7, 3] Generated Node #0,3,0: 77:[7, 3] Operation: 89-86=3 Exploring Operation: 86-7=79, Resulting Numbers: [89, 79] Generated Node #0,3,1: 77:[89, 79] Operation: 86-7=79 Exploring Operation: 89+7=96, Resulting Numbers: [86, 96] Generated Node #0,3,2: 77:[86, 96] Operation: 89+7=96 Exploring Operation: 89-7=82, Resulting Numbers: [86, 82] Generated Node #0,3,3: 77:[86, 82] Operation: 89-7=82 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 77:[7, 3], Operations: ['96-10=86', '89-86=3'] Exploring Operation: 7*3=21, Resulting Numbers: [21] 21,77 unequal: No Solution Exploring Operation: 7+3=10, Resulting Numbers: [10] 10,77 unequal: No Solution Exploring Operation: 7-3=4, Resulting Numbers: [4] 4,77 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 #0,3,1 Current State: 77:[89, 79], Operations: ['96-10=86', '86-7=79'] Exploring Operation: 89-79=10, Resulting Numbers: [10] 10,77 unequal: No Solution Exploring Operation: 89+79=168, Resulting Numbers: [168] 168,77 unequal: No Solution Exploring Operation: 89*79=7031, Resulting Numbers: [7031] 7031,77 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 #0,3,3 Current State: 77:[86, 82], Operations: ['96-10=86', '89-7=82'] Exploring Operation: 86+82=168, Resulting Numbers: [168] 168,77 unequal: No Solution Exploring Operation: 86*82=7052, Resulting Numbers: [7052] 7052,77 unequal: No Solution Exploring Operation: 86-82=4, Resulting Numbers: [4] 4,77 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 #0,3,2 Current State: 77:[86, 96], Operations: ['96-10=86', '89+7=96'] Exploring Operation: 86*96=8256, Resulting Numbers: [8256] 8256,77 unequal: No Solution Exploring Operation: 86+96=182, Resulting Numbers: [182] 182,77 unequal: No Solution Exploring Operation: 96-86=10, Resulting Numbers: [10] 10,77 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: 77:[96, 7, 79], Operations: ['89-10=79'] Exploring Operation: 96-79=17, Resulting Numbers: [7, 17] Generated Node #0,0,0: 77:[7, 17] Operation: 96-79=17 Exploring Operation: 96-7=89, Resulting Numbers: [79, 89] Generated Node #0,0,1: 77:[79, 89] Operation: 96-7=89 Exploring Operation: 96+7=103, Resulting Numbers: [79, 103] Generated Node #0,0,2: 77:[79, 103] Operation: 96+7=103 Exploring Operation: 79-7=72, Resulting Numbers: [96, 72] Generated Node #0,0,3: 77:[96, 72] Operation: 79-7=72 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 77:[7, 17], Operations: ['89-10=79', '96-79=17'] Exploring Operation: 7+17=24, Resulting Numbers: [24] 24,77 unequal: No Solution Exploring Operation: 7*17=119, Resulting Numbers: [119] 119,77 unequal: No Solution Exploring Operation: 17-7=10, Resulting Numbers: [10] 10,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 77:[79, 89], Operations: ['89-10=79', '96-7=89'] Exploring Operation: 79+89=168, Resulting Numbers: [168] 168,77 unequal: No Solution Exploring Operation: 79*89=7031, Resulting Numbers: [7031] 7031,77 unequal: No Solution Exploring Operation: 89-79=10, Resulting Numbers: [10] 10,77 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 #0,0,3 Current State: 77:[96, 72], Operations: ['89-10=79', '79-7=72'] Exploring Operation: 96*72=6912, Resulting Numbers: [6912] 6912,77 unequal: No Solution Exploring Operation: 96-72=24, Resulting Numbers: [24] 24,77 unequal: No Solution Exploring Operation: 96+72=168, Resulting Numbers: [168] 168,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 77:[79, 103], Operations: ['89-10=79', '96+7=103'] Exploring Operation: 79*103=8137, Resulting Numbers: [8137] 8137,77 unequal: No Solution Exploring Operation: 103-79=24, Resulting Numbers: [24] 24,77 unequal: No Solution Exploring Operation: 79+103=182, Resulting Numbers: [182] 182,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 77:[89, 10, 89], Operations: ['96-7=89'] Exploring Operation: 89/89=1, Resulting Numbers: [10, 1] Generated Node #0,1,0: 77:[10, 1] Operation: 89/89=1 Exploring Operation: 89-10=79, Resulting Numbers: [89, 79] Generated Node #0,1,1: 77:[89, 79] Operation: 89-10=79 Exploring Operation: 89-10=79, Resulting Numbers: [89, 79] Generated Node #0,1,2: 77:[89, 79] Operation: 89-10=79 Exploring Operation: 89-89=0, Resulting Numbers: [10, 0] Generated Node #0,1,3: 77:[10, 0] Operation: 89-89=0 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 77:[10, 1], Operations: ['96-7=89', '89/89=1'] Exploring Operation: 10/1=10, Resulting Numbers: [10] 10,77 unequal: No Solution Exploring Operation: 10*1=10, Resulting Numbers: [10] 10,77 unequal: No Solution Exploring Operation: 10+1=11, Resulting Numbers: [11] 11,77 unequal: No Solution Exploring Operation: 10-1=9, Resulting Numbers: [9] 9,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 77:[10, 0], Operations: ['96-7=89', '89-89=0'] Exploring Operation: 10+0=10, Resulting Numbers: [10] 10,77 unequal: No Solution Exploring Operation: 10*0=0, Resulting Numbers: [0] 0,77 unequal: No Solution Exploring Operation: 10-0=10, Resulting Numbers: [10] 10,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 77:[89, 79], Operations: ['96-7=89', '89-10=79'] Exploring Operation: 89-79=10, Resulting Numbers: [10] 10,77 unequal: No Solution Exploring Operation: 89*79=7031, Resulting Numbers: [7031] 7031,77 unequal: No Solution Exploring Operation: 89+79=168, Resulting Numbers: [168] 168,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 77:[89, 79], Operations: ['96-7=89', '89-10=79'] Exploring Operation: 89*79=7031, Resulting Numbers: [7031] 7031,77 unequal: No Solution Exploring Operation: 89+79=168, Resulting Numbers: [168] 168,77 unequal: No Solution Exploring Operation: 89-79=10, Resulting Numbers: [10] 10,77 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: 77:[10, 14], Operations: ['96-89=7', '7+7=14'] Exploring Operation: 10*14=140, Resulting Numbers: [140] 140,77 unequal: No Solution Exploring Operation: 10+14=24, Resulting Numbers: [24] 24,77 unequal: No Solution Exploring Operation: 14-10=4, Resulting Numbers: [4] 4,77 unequal: No Solution Moving to Node #0,2,3 Current State: 77:[7, 3], Operations: ['96-89=7', '10-7=3'] Exploring Operation: 7+3=10, Resulting Numbers: [10] 10,77 unequal: No Solution Exploring Operation: 7-3=4, Resulting Numbers: [4] 4,77 unequal: No Solution Exploring Operation: 7*3=21, Resulting Numbers: [21] 21,77 unequal: No Solution Moving to Node #0,2,2 Current State: 77:[7, 3], Operations: ['96-89=7', '10-7=3'] Exploring Operation: 7+3=10, Resulting Numbers: [10] 10,77 unequal: No Solution Exploring Operation: 7*3=21, Resulting Numbers: [21] 21,77 unequal: No Solution Exploring Operation: 7-3=4, Resulting Numbers: [4] 4,77 unequal: No Solution Moving to Node #0,2,1 Current State: 77:[7, 17], Operations: ['96-89=7', '10+7=17'] Exploring Operation: 7+17=24, Resulting Numbers: [24] 24,77 unequal: No Solution Exploring Operation: 17-7=10, Resulting Numbers: [10] 10,77 unequal: No Solution Exploring Operation: 7*17=119, Resulting Numbers: [119] 119,77 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 68, 94, 65, 53 ]
54
[ "68*53=3604", "3604-94=3510", "3510/65=54" ]
Current State: 54:[68, 94, 65, 53], Operations: [] Exploring Operation: 68*53=3604, Resulting Numbers: [94, 65, 3604] Generated Node #2: [94, 65, 3604] from Operation: 68*53=3604 Current State: 54:[94, 65, 3604], Operations: ['68*53=3604'] Exploring Operation: 3604-94=3510, Resulting Numbers: [65, 3510] Generated Node #3: [65, 3510] from Operation: 3604-94=3510 Current State: 54:[65, 3510], Operations: ['68*53=3604', '3604-94=3510'] Exploring Operation: 3510/65=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
4
Current State: 54:[68, 94, 65, 53], Operations: [] Exploring Operation: 94-53=41, Resulting Numbers: [68, 65, 41] Generated Node #0,0: 54:[68, 65, 41] Operation: 94-53=41 Exploring Operation: 68-53=15, Resulting Numbers: [94, 65, 15] Generated Node #0,1: 54:[94, 65, 15] Operation: 68-53=15 Exploring Operation: 94-65=29, Resulting Numbers: [68, 53, 29] Generated Node #0,2: 54:[68, 53, 29] Operation: 94-65=29 Exploring Operation: 68-65=3, Resulting Numbers: [94, 53, 3] Generated Node #0,3: 54:[94, 53, 3] Operation: 68-65=3 Exploring Operation: 94-68=26, Resulting Numbers: [65, 53, 26] Generated Node #0,4: 54:[65, 53, 26] Operation: 94-68=26 Moving to Node #0,4 Current State: 54:[65, 53, 26], Operations: ['94-68=26'] Exploring Operation: 53+26=79, Resulting Numbers: [65, 79] Generated Node #0,4,0: 54:[65, 79] Operation: 53+26=79 Exploring Operation: 65+26=91, Resulting Numbers: [53, 91] Generated Node #0,4,1: 54:[53, 91] Operation: 65+26=91 Exploring Operation: 65-26=39, Resulting Numbers: [53, 39] Generated Node #0,4,2: 54:[53, 39] Operation: 65-26=39 Exploring Operation: 65-53=12, Resulting Numbers: [26, 12] Generated Node #0,4,3: 54:[26, 12] Operation: 65-53=12 Exploring Operation: 53-26=27, Resulting Numbers: [65, 27] Generated Node #0,4,4: 54:[65, 27] Operation: 53-26=27 Moving to Node #0,2 Current State: 54:[68, 53, 29], Operations: ['94-65=29'] Exploring Operation: 68-53=15, Resulting Numbers: [29, 15] Generated Node #0,2,0: 54:[29, 15] Operation: 68-53=15 Exploring Operation: 68+29=97, Resulting Numbers: [53, 97] Generated Node #0,2,1: 54:[53, 97] Operation: 68+29=97 Exploring Operation: 68-29=39, Resulting Numbers: [53, 39] Generated Node #0,2,2: 54:[53, 39] Operation: 68-29=39 Exploring Operation: 53-29=24, Resulting Numbers: [68, 24] Generated Node #0,2,3: 54:[68, 24] Operation: 53-29=24 Exploring Operation: 53+29=82, Resulting Numbers: [68, 82] Generated Node #0,2,4: 54:[68, 82] Operation: 53+29=82 Moving to Node #0,0 Current State: 54:[68, 65, 41], Operations: ['94-53=41'] Exploring Operation: 65+41=106, Resulting Numbers: [68, 106] Generated Node #0,0,0: 54:[68, 106] Operation: 65+41=106 Exploring Operation: 68+41=109, Resulting Numbers: [65, 109] Generated Node #0,0,1: 54:[65, 109] Operation: 68+41=109 Exploring Operation: 65-41=24, Resulting Numbers: [68, 24] Generated Node #0,0,2: 54:[68, 24] Operation: 65-41=24 Exploring Operation: 68-65=3, Resulting Numbers: [41, 3] Generated Node #0,0,3: 54:[41, 3] Operation: 68-65=3 Exploring Operation: 68-41=27, Resulting Numbers: [65, 27] Generated Node #0,0,4: 54:[65, 27] Operation: 68-41=27 Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 54:[65, 27], Operations: ['94-53=41', '68-41=27'] Exploring Operation: 65-27=38, Resulting Numbers: [38] 38,54 unequal: No Solution Exploring Operation: 65*27=1755, Resulting Numbers: [1755] 1755,54 unequal: No Solution Exploring Operation: 65+27=92, Resulting Numbers: [92] 92,54 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 54:[41, 3], Operations: ['94-53=41', '68-65=3'] Exploring Operation: 41-3=38, Resulting Numbers: [38] 38,54 unequal: No Solution Exploring Operation: 41+3=44, Resulting Numbers: [44] 44,54 unequal: No Solution Exploring Operation: 41*3=123, Resulting Numbers: [123] 123,54 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 54:[68, 24], Operations: ['94-53=41', '65-41=24'] Exploring Operation: 68*24=1632, Resulting Numbers: [1632] 1632,54 unequal: No Solution Exploring Operation: 68-24=44, Resulting Numbers: [44] 44,54 unequal: No Solution Exploring Operation: 68+24=92, Resulting Numbers: [92] 92,54 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 54:[68, 106], Operations: ['94-53=41', '65+41=106'] Exploring Operation: 68+106=174, Resulting Numbers: [174] 174,54 unequal: No Solution Exploring Operation: 68*106=7208, Resulting Numbers: [7208] 7208,54 unequal: No Solution Exploring Operation: 106-68=38, Resulting Numbers: [38] 38,54 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 54:[65, 109], Operations: ['94-53=41', '68+41=109'] Exploring Operation: 65*109=7085, Resulting Numbers: [7085] 7085,54 unequal: No Solution Exploring Operation: 109-65=44, Resulting Numbers: [44] 44,54 unequal: No Solution Exploring Operation: 65+109=174, Resulting Numbers: [174] 174,54 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: 54:[94, 53, 3], Operations: ['68-65=3'] Exploring Operation: 94-53=41, Resulting Numbers: [3, 41] Generated Node #0,3,0: 54:[3, 41] Operation: 94-53=41 Exploring Operation: 53+3=56, Resulting Numbers: [94, 56] Generated Node #0,3,1: 54:[94, 56] Operation: 53+3=56 Exploring Operation: 94-3=91, Resulting Numbers: [53, 91] Generated Node #0,3,2: 54:[53, 91] Operation: 94-3=91 Exploring Operation: 53-3=50, Resulting Numbers: [94, 50] Generated Node #0,3,3: 54:[94, 50] Operation: 53-3=50 Exploring Operation: 94+3=97, Resulting Numbers: [53, 97] Generated Node #0,3,4: 54:[53, 97] Operation: 94+3=97 Moving to Node #0,1 Current State: 54:[94, 65, 15], Operations: ['68-53=15'] Exploring Operation: 94-65=29, Resulting Numbers: [15, 29] Generated Node #0,1,0: 54:[15, 29] Operation: 94-65=29 Exploring Operation: 65+15=80, Resulting Numbers: [94, 80] Generated Node #0,1,1: 54:[94, 80] Operation: 65+15=80 Exploring Operation: 94-15=79, Resulting Numbers: [65, 79] Generated Node #0,1,2: 54:[65, 79] Operation: 94-15=79 Exploring Operation: 94+15=109, Resulting Numbers: [65, 109] Generated Node #0,1,3: 54:[65, 109] Operation: 94+15=109 Exploring Operation: 65-15=50, Resulting Numbers: [94, 50] Generated Node #0,1,4: 54:[94, 50] Operation: 65-15=50 Moving to Node #0,4,3 Current State: 54:[26, 12], Operations: ['94-68=26', '65-53=12'] Exploring Operation: 26-12=14, Resulting Numbers: [14] 14,54 unequal: No Solution Exploring Operation: 26+12=38, Resulting Numbers: [38] 38,54 unequal: No Solution Exploring Operation: 26*12=312, Resulting Numbers: [312] 312,54 unequal: No Solution Moving to Node #0,2,0 Current State: 54:[29, 15], Operations: ['94-65=29', '68-53=15'] Exploring Operation: 29*15=435, Resulting Numbers: [435] 435,54 unequal: No Solution Exploring Operation: 29-15=14, Resulting Numbers: [14] 14,54 unequal: No Solution Exploring Operation: 29+15=44, Resulting Numbers: [44] 44,54 unequal: No Solution Moving to Node #0,1,0 Current State: 54:[15, 29], Operations: ['68-53=15', '94-65=29'] Exploring Operation: 29-15=14, Resulting Numbers: [14] 14,54 unequal: No Solution Exploring Operation: 15*29=435, Resulting Numbers: [435] 435,54 unequal: No Solution Exploring Operation: 15+29=44, Resulting Numbers: [44] 44,54 unequal: No Solution Moving to Node #0,4,4 Current State: 54:[65, 27], Operations: ['94-68=26', '53-26=27'] Exploring Operation: 65*27=1755, Resulting Numbers: [1755] 1755,54 unequal: No Solution Exploring Operation: 65+27=92, Resulting Numbers: [92] 92,54 unequal: No Solution Exploring Operation: 65-27=38, Resulting Numbers: [38] 38,54 unequal: No Solution Moving to Node #0,2,2 Current State: 54:[53, 39], Operations: ['94-65=29', '68-29=39'] Exploring Operation: 53+39=92, Resulting Numbers: [92] 92,54 unequal: No Solution Exploring Operation: 53-39=14, Resulting Numbers: [14] 14,54 unequal: No Solution Exploring Operation: 53*39=2067, Resulting Numbers: [2067] 2067,54 unequal: No Solution Moving to Node #0,4,2 Current State: 54:[53, 39], Operations: ['94-68=26', '65-26=39'] Exploring Operation: 53+39=92, Resulting Numbers: [92] 92,54 unequal: No Solution Exploring Operation: 53-39=14, Resulting Numbers: [14] 14,54 unequal: No Solution Exploring Operation: 53*39=2067, Resulting Numbers: [2067] 2067,54 unequal: No Solution Moving to Node #0,3,0 Current State: 54:[3, 41], Operations: ['68-65=3', '94-53=41'] Exploring Operation: 3*41=123, Resulting Numbers: [123] 123,54 unequal: No Solution Exploring Operation: 41-3=38, Resulting Numbers: [38] 38,54 unequal: No Solution Exploring Operation: 3+41=44, Resulting Numbers: [44] 44,54 unequal: No Solution Moving to Node #0,2,3 Current State: 54:[68, 24], Operations: ['94-65=29', '53-29=24'] Exploring Operation: 68*24=1632, Resulting Numbers: [1632] 1632,54 unequal: No Solution Exploring Operation: 68-24=44, Resulting Numbers: [44] 44,54 unequal: No Solution Exploring Operation: 68+24=92, Resulting Numbers: [92] 92,54 unequal: No Solution Moving to Node #0,4,0 Current State: 54:[65, 79], Operations: ['94-68=26', '53+26=79'] Exploring Operation: 79-65=14, Resulting Numbers: [14] 14,54 unequal: No Solution Exploring Operation: 65*79=5135, Resulting Numbers: [5135] 5135,54 unequal: No Solution Exploring Operation: 65+79=144, Resulting Numbers: [144] 144,54 unequal: No Solution Moving to Node #0,1,2 Current State: 54:[65, 79], Operations: ['68-53=15', '94-15=79'] Exploring Operation: 65+79=144, Resulting Numbers: [144] 144,54 unequal: No Solution Exploring Operation: 65*79=5135, Resulting Numbers: [5135] 5135,54 unequal: No Solution Exploring Operation: 79-65=14, Resulting Numbers: [14] 14,54 unequal: No Solution Moving to Node #0,3,2 Current State: 54:[53, 91], Operations: ['68-65=3', '94-3=91'] Exploring Operation: 53*91=4823, Resulting Numbers: [4823] 4823,54 unequal: No Solution Exploring Operation: 53+91=144, Resulting Numbers: [144] 144,54 unequal: No Solution Exploring Operation: 91-53=38, Resulting Numbers: [38] 38,54 unequal: No Solution Moving to Node #0,4,1 Current State: 54:[53, 91], Operations: ['94-68=26', '65+26=91'] Exploring Operation: 53+91=144, Resulting Numbers: [144] 144,54 unequal: No Solution Exploring Operation: 53*91=4823, Resulting Numbers: [4823] 4823,54 unequal: No Solution Exploring Operation: 91-53=38, Resulting Numbers: [38] 38,54 unequal: No Solution Moving to Node #0,3,1 Current State: 54:[94, 56], Operations: ['68-65=3', '53+3=56'] Exploring Operation: 94*56=5264, Resulting Numbers: [5264] 5264,54 unequal: No Solution Exploring Operation: 94+56=150, Resulting Numbers: [150] 150,54 unequal: No Solution Exploring Operation: 94-56=38, Resulting Numbers: [38] 38,54 unequal: No Solution Moving to Node #0,2,4 Current State: 54:[68, 82], Operations: ['94-65=29', '53+29=82'] Exploring Operation: 68+82=150, Resulting Numbers: [150] 150,54 unequal: No Solution Exploring Operation: 68*82=5576, Resulting Numbers: [5576] 5576,54 unequal: No Solution Exploring Operation: 82-68=14, Resulting Numbers: [14] 14,54 unequal: No Solution Moving to Node #0,3,4 Current State: 54:[53, 97], Operations: ['68-65=3', '94+3=97'] Exploring Operation: 53*97=5141, Resulting Numbers: [5141] 5141,54 unequal: No Solution Exploring Operation: 53+97=150, Resulting Numbers: [150] 150,54 unequal: No Solution Exploring Operation: 97-53=44, Resulting Numbers: [44] 44,54 unequal: No Solution Moving to Node #0,2,1 Current State: 54:[53, 97], Operations: ['94-65=29', '68+29=97'] Exploring Operation: 53*97=5141, Resulting Numbers: [5141] 5141,54 unequal: No Solution Exploring Operation: 53+97=150, Resulting Numbers: [150] 150,54 unequal: No Solution Exploring Operation: 97-53=44, Resulting Numbers: [44] 44,54 unequal: No Solution Moving to Node #0,1,4 Current State: 54:[94, 50], Operations: ['68-53=15', '65-15=50'] Exploring Operation: 94+50=144, Resulting Numbers: [144] 144,54 unequal: No Solution Exploring Operation: 94-50=44, Resulting Numbers: [44] 44,54 unequal: No Solution Exploring Operation: 94*50=4700, Resulting Numbers: [4700] 4700,54 unequal: No Solution Moving to Node #0,3,3 Current State: 54:[94, 50], Operations: ['68-65=3', '53-3=50'] Exploring Operation: 94+50=144, Resulting Numbers: [144] 144,54 unequal: No Solution Exploring Operation: 94*50=4700, Resulting Numbers: [4700] 4700,54 unequal: No Solution Exploring Operation: 94-50=44, Resulting Numbers: [44] 44,54 unequal: No Solution Moving to Node #0,1,3 Current State: 54:[65, 109], Operations: ['68-53=15', '94+15=109'] Exploring Operation: 65+109=174, Resulting Numbers: [174] 174,54 unequal: No Solution Exploring Operation: 109-65=44, Resulting Numbers: [44] 44,54 unequal: No Solution Exploring Operation: 65*109=7085, Resulting Numbers: [7085] 7085,54 unequal: No Solution Moving to Node #0,1,1 Current State: 54:[94, 80], Operations: ['68-53=15', '65+15=80'] Exploring Operation: 94+80=174, Resulting Numbers: [174] 174,54 unequal: No Solution Exploring Operation: 94*80=7520, Resulting Numbers: [7520] 7520,54 unequal: No Solution Exploring Operation: 94-80=14, Resulting Numbers: [14] 14,54 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 89, 80, 24, 5 ]
69
[ "89-80=9", "5*9=45", "24+45=69" ]
Current State: 69:[89, 80, 24, 5], Operations: [] Exploring Operation: 89-80=9, Resulting Numbers: [24, 5, 9] Generated Node #2: [24, 5, 9] from Operation: 89-80=9 Current State: 69:[24, 5, 9], Operations: ['89-80=9'] Exploring Operation: 5*9=45, Resulting Numbers: [24, 45] Generated Node #3: [24, 45] from Operation: 5*9=45 Current State: 69:[24, 45], Operations: ['89-80=9', '5*9=45'] Exploring Operation: 24+45=69, Resulting Numbers: [69] 69,69 equal: Goal Reached
4
Current State: 69:[89, 80, 24, 5], Operations: [] Exploring Operation: 89-80=9, Resulting Numbers: [24, 5, 9] Generated Node #0,0: 69:[24, 5, 9] Operation: 89-80=9 Start Sub Search at level 1: Moving to Node #0,0 Current State: 69:[24, 5, 9], Operations: ['89-80=9'] Exploring Operation: 9-5=4, Resulting Numbers: [24, 4] Generated Node #0,0,0: 69:[24, 4] Operation: 9-5=4 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 69:[24, 4], Operations: ['89-80=9', '9-5=4'] Exploring Operation: 24-4=20, Resulting Numbers: [20] 20,69 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 96, 31, 53, 90 ]
90
[ "96+31=127", "90-53=37", "127-37=90" ]
Current State: 90:[96, 31, 53, 90], Operations: [] Exploring Operation: 96+31=127, Resulting Numbers: [53, 90, 127] Generated Node #2: [53, 90, 127] from Operation: 96+31=127 Current State: 90:[53, 90, 127], Operations: ['96+31=127'] Exploring Operation: 90-53=37, Resulting Numbers: [127, 37] Generated Node #3: [127, 37] from Operation: 90-53=37 Current State: 90:[127, 37], Operations: ['96+31=127', '90-53=37'] Exploring Operation: 127-37=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
4
Current State: 90:[96, 31, 53, 90], Operations: [] Exploring Operation: 96-53=43, Resulting Numbers: [31, 90, 43] Generated Node #0,0: 90:[31, 90, 43] Operation: 96-53=43 Moving to Node #0,0 Current State: 90:[31, 90, 43], Operations: ['96-53=43'] Exploring Operation: 43-31=12, Resulting Numbers: [90, 12] Generated Node #0,0,0: 90:[90, 12] Operation: 43-31=12 Moving to Node #0,0,0 Current State: 90:[90, 12], Operations: ['96-53=43', '43-31=12'] Exploring Operation: 90+12=102, Resulting Numbers: [102] 102,90 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 21, 20, 17, 10 ]
34
[ "21+20=41", "17-10=7", "41-7=34" ]
Current State: 34:[21, 20, 17, 10], Operations: [] Exploring Operation: 21+20=41, Resulting Numbers: [17, 10, 41] Generated Node #2: [17, 10, 41] from Operation: 21+20=41 Current State: 34:[17, 10, 41], Operations: ['21+20=41'] Exploring Operation: 17-10=7, Resulting Numbers: [41, 7] Generated Node #3: [41, 7] from Operation: 17-10=7 Current State: 34:[41, 7], Operations: ['21+20=41', '17-10=7'] Exploring Operation: 41-7=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
4
Current State: 34:[21, 20, 17, 10], Operations: [] Exploring Operation: 20/10=2, Resulting Numbers: [21, 17, 2] Generated Node #0,0: 34:[21, 17, 2] Operation: 20/10=2 Exploring Operation: 21+10=31, Resulting Numbers: [20, 17, 31] Generated Node #0,1: 34:[20, 17, 31] Operation: 21+10=31 Moving to Node #0,0 Current State: 34:[21, 17, 2], Operations: ['20/10=2'] Exploring Operation: 21-17=4, Resulting Numbers: [2, 4] Generated Node #0,0,0: 34:[2, 4] Operation: 21-17=4 Exploring Operation: 21-2=19, Resulting Numbers: [17, 19] Generated Node #0,0,1: 34:[17, 19] Operation: 21-2=19 Moving to Node #0,1 Current State: 34:[20, 17, 31], Operations: ['21+10=31'] Exploring Operation: 20-17=3, Resulting Numbers: [31, 3] Generated Node #0,1,0: 34:[31, 3] Operation: 20-17=3 Exploring Operation: 20+17=37, Resulting Numbers: [31, 37] Generated Node #0,1,1: 34:[31, 37] Operation: 20+17=37 Moving to Node #0,0,0 Current State: 34:[2, 4], Operations: ['20/10=2', '21-17=4'] Exploring Operation: 4-2=2, Resulting Numbers: [2] 2,34 unequal: No Solution Exploring Operation: 4/2=2, Resulting Numbers: [2] 2,34 unequal: No Solution Moving to Node #0,0,1 Current State: 34:[17, 19], Operations: ['20/10=2', '21-2=19'] Exploring Operation: 17+19=36, Resulting Numbers: [36] 36,34 unequal: No Solution Exploring Operation: 19-17=2, Resulting Numbers: [2] 2,34 unequal: No Solution Moving to Node #0,1,0 Current State: 34:[31, 3], Operations: ['21+10=31', '20-17=3'] Exploring Operation: 31+3=34, Resulting Numbers: [34] 34,34 equal: Goal Reached Moving to Node #0 Current State: 34:[21, 20, 17, 10], Operations: [] Exploring Operation: 21+10=31, Resulting Numbers: [20, 17, 31] Generated Node #0,1: 34:[20, 17, 31] Operation: 21+10=31 Moving to Node #0,1 Current State: 34:[20, 17, 31], Operations: ['21+10=31'] Exploring Operation: 20-17=3, Resulting Numbers: [31, 3] Generated Node #0,1,0: 34:[31, 3] Operation: 20-17=3 Moving to Node #0,1,0 Current State: 34:[31, 3], Operations: ['21+10=31', '20-17=3'] Exploring Operation: 31+3=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
0.986979
hs_2
sum_heuristic
[ 39, 88, 35, 28 ]
71
[ "88*35=3080", "3080/28=110", "110-39=71" ]
Current State: 71:[39, 88, 35, 28], Operations: [] Exploring Operation: 88*35=3080, Resulting Numbers: [39, 28, 3080] Generated Node #2: [39, 28, 3080] from Operation: 88*35=3080 Current State: 71:[39, 28, 3080], Operations: ['88*35=3080'] Exploring Operation: 3080/28=110, Resulting Numbers: [39, 110] Generated Node #3: [39, 110] from Operation: 3080/28=110 Current State: 71:[39, 110], Operations: ['88*35=3080', '3080/28=110'] Exploring Operation: 110-39=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
4
Current State: 71:[39, 88, 35, 28], Operations: [] Exploring Operation: 39+35=74, Resulting Numbers: [88, 28, 74] Generated Node #0,0: 71:[88, 28, 74] Operation: 39+35=74 Exploring Operation: 35+28=63, Resulting Numbers: [39, 88, 63] Generated Node #0,1: 71:[39, 88, 63] Operation: 35+28=63 Exploring Operation: 39+28=67, Resulting Numbers: [88, 35, 67] Generated Node #0,2: 71:[88, 35, 67] Operation: 39+28=67 Moving to Node #0,1 Current State: 71:[39, 88, 63], Operations: ['35+28=63'] Exploring Operation: 39+88=127, Resulting Numbers: [63, 127] Generated Node #0,1,0: 71:[63, 127] Operation: 39+88=127 Exploring Operation: 88-39=49, Resulting Numbers: [63, 49] Generated Node #0,1,1: 71:[63, 49] Operation: 88-39=49 Exploring Operation: 39+63=102, Resulting Numbers: [88, 102] Generated Node #0,1,2: 71:[88, 102] Operation: 39+63=102 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 71:[63, 49], Operations: ['35+28=63', '88-39=49'] Exploring Operation: 63-49=14, Resulting Numbers: [14] 14,71 unequal: No Solution Exploring Operation: 63*49=3087, Resulting Numbers: [3087] 3087,71 unequal: No Solution Exploring Operation: 63+49=112, Resulting Numbers: [112] 112,71 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 #0,1,2 Current State: 71:[88, 102], Operations: ['35+28=63', '39+63=102'] Exploring Operation: 88*102=8976, Resulting Numbers: [8976] 8976,71 unequal: No Solution Exploring Operation: 102-88=14, Resulting Numbers: [14] 14,71 unequal: No Solution Exploring Operation: 88+102=190, Resulting Numbers: [190] 190,71 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 #0,1,0 Current State: 71:[63, 127], Operations: ['35+28=63', '39+88=127'] Exploring Operation: 127-63=64, Resulting Numbers: [64] 64,71 unequal: No Solution Exploring Operation: 63*127=8001, Resulting Numbers: [8001] 8001,71 unequal: No Solution Exploring Operation: 63+127=190, Resulting Numbers: [190] 190,71 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: 71:[88, 35, 67], Operations: ['39+28=67'] Exploring Operation: 35+67=102, Resulting Numbers: [88, 102] Generated Node #0,2,0: 71:[88, 102] Operation: 35+67=102 Exploring Operation: 88-35=53, Resulting Numbers: [67, 53] Generated Node #0,2,1: 71:[67, 53] Operation: 88-35=53 Exploring Operation: 88+35=123, Resulting Numbers: [67, 123] Generated Node #0,2,2: 71:[67, 123] Operation: 88+35=123 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 71:[67, 53], Operations: ['39+28=67', '88-35=53'] Exploring Operation: 67+53=120, Resulting Numbers: [120] 120,71 unequal: No Solution Exploring Operation: 67-53=14, Resulting Numbers: [14] 14,71 unequal: No Solution Exploring Operation: 67*53=3551, Resulting Numbers: [3551] 3551,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 71:[88, 102], Operations: ['39+28=67', '35+67=102'] Exploring Operation: 102-88=14, Resulting Numbers: [14] 14,71 unequal: No Solution Exploring Operation: 88+102=190, Resulting Numbers: [190] 190,71 unequal: No Solution Exploring Operation: 88*102=8976, Resulting Numbers: [8976] 8976,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 71:[67, 123], Operations: ['39+28=67', '88+35=123'] Exploring Operation: 67*123=8241, Resulting Numbers: [8241] 8241,71 unequal: No Solution Exploring Operation: 67+123=190, Resulting Numbers: [190] 190,71 unequal: No Solution Exploring Operation: 123-67=56, Resulting Numbers: [56] 56,71 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: 71:[88, 28, 74], Operations: ['39+35=74'] Exploring Operation: 88-28=60, Resulting Numbers: [74, 60] Generated Node #0,0,0: 71:[74, 60] Operation: 88-28=60 Exploring Operation: 88+28=116, Resulting Numbers: [74, 116] Generated Node #0,0,1: 71:[74, 116] Operation: 88+28=116 Exploring Operation: 74-28=46, Resulting Numbers: [88, 46] Generated Node #0,0,2: 71:[88, 46] Operation: 74-28=46 Moving to Node #0,0,0 Current State: 71:[74, 60], Operations: ['39+35=74', '88-28=60'] Exploring Operation: 74*60=4440, Resulting Numbers: [4440] 4440,71 unequal: No Solution Exploring Operation: 74-60=14, Resulting Numbers: [14] 14,71 unequal: No Solution Exploring Operation: 74+60=134, Resulting Numbers: [134] 134,71 unequal: No Solution Moving to Node #0,0,2 Current State: 71:[88, 46], Operations: ['39+35=74', '74-28=46'] Exploring Operation: 88-46=42, Resulting Numbers: [42] 42,71 unequal: No Solution Exploring Operation: 88+46=134, Resulting Numbers: [134] 134,71 unequal: No Solution Exploring Operation: 88*46=4048, Resulting Numbers: [4048] 4048,71 unequal: No Solution Moving to Node #0,0,1 Current State: 71:[74, 116], Operations: ['39+35=74', '88+28=116'] Exploring Operation: 116-74=42, Resulting Numbers: [42] 42,71 unequal: No Solution Exploring Operation: 74+116=190, Resulting Numbers: [190] 190,71 unequal: No Solution Exploring Operation: 74*116=8584, Resulting Numbers: [8584] 8584,71 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 35, 78, 45, 2 ]
23
[ "35+78=113", "45*2=90", "113-90=23" ]
Current State: 23:[35, 78, 45, 2], Operations: [] Exploring Operation: 35+78=113, Resulting Numbers: [45, 2, 113] Generated Node #2: [45, 2, 113] from Operation: 35+78=113 Current State: 23:[45, 2, 113], Operations: ['35+78=113'] Exploring Operation: 45*2=90, Resulting Numbers: [113, 90] Generated Node #3: [113, 90] from Operation: 45*2=90 Current State: 23:[113, 90], Operations: ['35+78=113', '45*2=90'] Exploring Operation: 113-90=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
4
Current State: 23:[35, 78, 45, 2], Operations: [] Exploring Operation: 78/2=39, Resulting Numbers: [35, 45, 39] Generated Node #0,0: 23:[35, 45, 39] Operation: 78/2=39 Exploring Operation: 78-35=43, Resulting Numbers: [45, 2, 43] Generated Node #0,1: 23:[45, 2, 43] Operation: 78-35=43 Exploring Operation: 78-45=33, Resulting Numbers: [35, 2, 33] Generated Node #0,2: 23:[35, 2, 33] Operation: 78-45=33 Start Sub Search at level 1: Moving to Node #0,2 Current State: 23:[35, 2, 33], Operations: ['78-45=33'] Exploring Operation: 35+2=37, Resulting Numbers: [33, 37] Generated Node #0,2,0: 23:[33, 37] Operation: 35+2=37 Exploring Operation: 35-2=33, Resulting Numbers: [33, 33] Generated Node #0,2,1: 23:[33, 33] Operation: 35-2=33 Exploring Operation: 33-2=31, Resulting Numbers: [35, 31] Generated Node #0,2,2: 23:[35, 31] Operation: 33-2=31 Moving to Node #0,2,1 Current State: 23:[33, 33], Operations: ['78-45=33', '35-2=33'] Exploring Operation: 33+33=66, Resulting Numbers: [66] 66,23 unequal: No Solution Exploring Operation: 33-33=0, Resulting Numbers: [0] 0,23 unequal: No Solution Exploring Operation: 33/33=1, Resulting Numbers: [1] 1,23 unequal: No Solution Moving to Node #0,2,2 Current State: 23:[35, 31], Operations: ['78-45=33', '33-2=31'] Exploring Operation: 35*31=1085, Resulting Numbers: [1085] 1085,23 unequal: No Solution Exploring Operation: 35+31=66, Resulting Numbers: [66] 66,23 unequal: No Solution Exploring Operation: 35-31=4, Resulting Numbers: [4] 4,23 unequal: No Solution Moving to Node #0,2,0 Current State: 23:[33, 37], Operations: ['78-45=33', '35+2=37'] Exploring Operation: 37-33=4, Resulting Numbers: [4] 4,23 unequal: No Solution Exploring Operation: 33*37=1221, Resulting Numbers: [1221] 1221,23 unequal: No Solution Exploring Operation: 33+37=70, Resulting Numbers: [70] 70,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 23:[35, 45, 39], Operations: ['78/2=39'] Exploring Operation: 39-35=4, Resulting Numbers: [45, 4] Generated Node #0,0,0: 23:[45, 4] Operation: 39-35=4 Exploring Operation: 45-35=10, Resulting Numbers: [39, 10] Generated Node #0,0,1: 23:[39, 10] Operation: 45-35=10 Exploring Operation: 45-39=6, Resulting Numbers: [35, 6] Generated Node #0,0,2: 23:[35, 6] Operation: 45-39=6 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 23:[39, 10], Operations: ['78/2=39', '45-35=10'] Exploring Operation: 39*10=390, Resulting Numbers: [390] 390,23 unequal: No Solution Exploring Operation: 39+10=49, Resulting Numbers: [49] 49,23 unequal: No Solution Exploring Operation: 39-10=29, Resulting Numbers: [29] 29,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 23:[35, 6], Operations: ['78/2=39', '45-39=6'] Exploring Operation: 35-6=29, Resulting Numbers: [29] 29,23 unequal: No Solution Exploring Operation: 35+6=41, Resulting Numbers: [41] 41,23 unequal: No Solution Exploring Operation: 35*6=210, Resulting Numbers: [210] 210,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 23:[45, 4], Operations: ['78/2=39', '39-35=4'] Exploring Operation: 45*4=180, Resulting Numbers: [180] 180,23 unequal: No Solution Exploring Operation: 45-4=41, Resulting Numbers: [41] 41,23 unequal: No Solution Exploring Operation: 45+4=49, Resulting Numbers: [49] 49,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 23:[45, 2, 43], Operations: ['78-35=43'] Exploring Operation: 45-43=2, Resulting Numbers: [2, 2] Generated Node #0,1,0: 23:[2, 2] Operation: 45-43=2 Exploring Operation: 45-2=43, Resulting Numbers: [43, 43] Generated Node #0,1,1: 23:[43, 43] Operation: 45-2=43 Exploring Operation: 43-2=41, Resulting Numbers: [45, 41] Generated Node #0,1,2: 23:[45, 41] Operation: 43-2=41 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 23:[43, 43], Operations: ['78-35=43', '45-2=43'] Exploring Operation: 43/43=1, Resulting Numbers: [1] 1,23 unequal: No Solution Exploring Operation: 43-43=0, Resulting Numbers: [0] 0,23 unequal: No Solution Exploring Operation: 43+43=86, Resulting Numbers: [86] 86,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 23:[45, 41], Operations: ['78-35=43', '43-2=41'] Exploring Operation: 45-41=4, Resulting Numbers: [4] 4,23 unequal: No Solution Exploring Operation: 45+41=86, Resulting Numbers: [86] 86,23 unequal: No Solution Exploring Operation: 45*41=1845, Resulting Numbers: [1845] 1845,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 23:[2, 2], Operations: ['78-35=43', '45-43=2'] Exploring Operation: 2*2=4, Resulting Numbers: [4] 4,23 unequal: No Solution Exploring Operation: 2/2=1, Resulting Numbers: [1] 1,23 unequal: No Solution Exploring Operation: 2+2=4, Resulting Numbers: [4] 4,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 78, 75, 40, 42 ]
60
[ "75+42=117", "40*117=4680", "4680/78=60" ]
Current State: 60:[78, 75, 40, 42], Operations: [] Exploring Operation: 75+42=117, Resulting Numbers: [78, 40, 117] Generated Node #2: [78, 40, 117] from Operation: 75+42=117 Current State: 60:[78, 40, 117], Operations: ['75+42=117'] Exploring Operation: 40*117=4680, Resulting Numbers: [78, 4680] Generated Node #3: [78, 4680] from Operation: 40*117=4680 Current State: 60:[78, 4680], Operations: ['75+42=117', '40*117=4680'] Exploring Operation: 4680/78=60, Resulting Numbers: [60] 60,60 equal: Goal Reached
4
Current State: 60:[78, 75, 40, 42], Operations: [] Exploring Operation: 78-42=36, Resulting Numbers: [75, 40, 36] Generated Node #0,0: 60:[75, 40, 36] Operation: 78-42=36 Exploring Operation: 78-75=3, Resulting Numbers: [40, 42, 3] Generated Node #0,1: 60:[40, 42, 3] Operation: 78-75=3 Exploring Operation: 75-42=33, Resulting Numbers: [78, 40, 33] Generated Node #0,2: 60:[78, 40, 33] Operation: 75-42=33 Moving to Node #0,1 Current State: 60:[40, 42, 3], Operations: ['78-75=3'] Exploring Operation: 40-3=37, Resulting Numbers: [42, 37] Generated Node #0,1,0: 60:[42, 37] Operation: 40-3=37 Exploring Operation: 42/3=14, Resulting Numbers: [40, 14] Generated Node #0,1,1: 60:[40, 14] Operation: 42/3=14 Exploring Operation: 42-40=2, Resulting Numbers: [3, 2] Generated Node #0,1,2: 60:[3, 2] Operation: 42-40=2 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 60:[3, 2], Operations: ['78-75=3', '42-40=2'] Exploring Operation: 3+2=5, Resulting Numbers: [5] 5,60 unequal: No Solution Exploring Operation: 3*2=6, Resulting Numbers: [6] 6,60 unequal: No Solution Exploring Operation: 3-2=1, Resulting Numbers: [1] 1,60 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 60:[40, 14], Operations: ['78-75=3', '42/3=14'] Exploring Operation: 40-14=26, Resulting Numbers: [26] 26,60 unequal: No Solution Exploring Operation: 40*14=560, Resulting Numbers: [560] 560,60 unequal: No Solution Exploring Operation: 40+14=54, Resulting Numbers: [54] 54,60 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:[42, 37], Operations: ['78-75=3', '40-3=37'] Exploring Operation: 42*37=1554, Resulting Numbers: [1554] 1554,60 unequal: No Solution Exploring Operation: 42-37=5, Resulting Numbers: [5] 5,60 unequal: No Solution Exploring Operation: 42+37=79, Resulting Numbers: [79] 79,60 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 60:[75, 40, 36], Operations: ['78-42=36'] Exploring Operation: 75-40=35, Resulting Numbers: [36, 35] Generated Node #0,0,0: 60:[36, 35] Operation: 75-40=35 Exploring Operation: 40-36=4, Resulting Numbers: [75, 4] Generated Node #0,0,1: 60:[75, 4] Operation: 40-36=4 Exploring Operation: 75-36=39, Resulting Numbers: [40, 39] Generated Node #0,0,2: 60:[40, 39] Operation: 75-36=39 Moving to Node #0,2 Current State: 60:[78, 40, 33], Operations: ['75-42=33'] Exploring Operation: 78-40=38, Resulting Numbers: [33, 38] Generated Node #0,2,0: 60:[33, 38] Operation: 78-40=38 Exploring Operation: 40-33=7, Resulting Numbers: [78, 7] Generated Node #0,2,1: 60:[78, 7] Operation: 40-33=7 Exploring Operation: 78-33=45, Resulting Numbers: [40, 45] Generated Node #0,2,2: 60:[40, 45] Operation: 78-33=45 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 60:[33, 38], Operations: ['75-42=33', '78-40=38'] Exploring Operation: 33*38=1254, Resulting Numbers: [1254] 1254,60 unequal: No Solution Exploring Operation: 38-33=5, Resulting Numbers: [5] 5,60 unequal: No Solution Exploring Operation: 33+38=71, Resulting Numbers: [71] 71,60 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 60:[78, 7], Operations: ['75-42=33', '40-33=7'] Exploring Operation: 78+7=85, Resulting Numbers: [85] 85,60 unequal: No Solution Exploring Operation: 78-7=71, Resulting Numbers: [71] 71,60 unequal: No Solution Exploring Operation: 78*7=546, Resulting Numbers: [546] 546,60 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 60:[40, 45], Operations: ['75-42=33', '78-33=45'] Exploring Operation: 40+45=85, Resulting Numbers: [85] 85,60 unequal: No Solution Exploring Operation: 45-40=5, Resulting Numbers: [5] 5,60 unequal: No Solution Exploring Operation: 40*45=1800, Resulting Numbers: [1800] 1800,60 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,0 Current State: 60:[36, 35], Operations: ['78-42=36', '75-40=35'] Exploring Operation: 36-35=1, Resulting Numbers: [1] 1,60 unequal: No Solution Exploring Operation: 36+35=71, Resulting Numbers: [71] 71,60 unequal: No Solution Exploring Operation: 36*35=1260, Resulting Numbers: [1260] 1260,60 unequal: No Solution Moving to Node #0,0,1 Current State: 60:[75, 4], Operations: ['78-42=36', '40-36=4'] Exploring Operation: 75+4=79, Resulting Numbers: [79] 79,60 unequal: No Solution Exploring Operation: 75-4=71, Resulting Numbers: [71] 71,60 unequal: No Solution Exploring Operation: 75*4=300, Resulting Numbers: [300] 300,60 unequal: No Solution Moving to Node #0,0,2 Current State: 60:[40, 39], Operations: ['78-42=36', '75-36=39'] Exploring Operation: 40-39=1, Resulting Numbers: [1] 1,60 unequal: No Solution Exploring Operation: 40+39=79, Resulting Numbers: [79] 79,60 unequal: No Solution Exploring Operation: 40*39=1560, Resulting Numbers: [1560] 1560,60 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 63, 57, 28, 58 ]
92
[ "63-57=6", "28+58=86", "6+86=92" ]
Current State: 92:[63, 57, 28, 58], Operations: [] Exploring Operation: 63-57=6, Resulting Numbers: [28, 58, 6] Generated Node #2: [28, 58, 6] from Operation: 63-57=6 Current State: 92:[28, 58, 6], Operations: ['63-57=6'] Exploring Operation: 28+58=86, Resulting Numbers: [6, 86] Generated Node #3: [6, 86] from Operation: 28+58=86 Current State: 92:[6, 86], Operations: ['63-57=6', '28+58=86'] Exploring Operation: 6+86=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
4
Current State: 92:[63, 57, 28, 58], Operations: [] Exploring Operation: 58-57=1, Resulting Numbers: [63, 28, 1] Generated Node #0,0: 92:[63, 28, 1] Operation: 58-57=1 Exploring Operation: 63-57=6, Resulting Numbers: [28, 58, 6] Generated Node #0,1: 92:[28, 58, 6] Operation: 63-57=6 Exploring Operation: 63-58=5, Resulting Numbers: [57, 28, 5] Generated Node #0,2: 92:[57, 28, 5] Operation: 63-58=5 Start Sub Search at level 1: Moving to Node #0,2 Current State: 92:[57, 28, 5], Operations: ['63-58=5'] Exploring Operation: 57-28=29, Resulting Numbers: [5, 29] Generated Node #0,2,0: 92:[5, 29] Operation: 57-28=29 Exploring Operation: 57+28=85, Resulting Numbers: [5, 85] Generated Node #0,2,1: 92:[5, 85] Operation: 57+28=85 Exploring Operation: 57-5=52, Resulting Numbers: [28, 52] Generated Node #0,2,2: 92:[28, 52] Operation: 57-5=52 Moving to Node #0,2,0 Current State: 92:[5, 29], Operations: ['63-58=5', '57-28=29'] Exploring Operation: 29-5=24, Resulting Numbers: [24] 24,92 unequal: No Solution Exploring Operation: 5+29=34, Resulting Numbers: [34] 34,92 unequal: No Solution Exploring Operation: 5*29=145, Resulting Numbers: [145] 145,92 unequal: No Solution Moving to Node #0,2,1 Current State: 92:[5, 85], Operations: ['63-58=5', '57+28=85'] Exploring Operation: 85/5=17, Resulting Numbers: [17] 17,92 unequal: No Solution Exploring Operation: 85-5=80, Resulting Numbers: [80] 80,92 unequal: No Solution Exploring Operation: 5+85=90, Resulting Numbers: [90] 90,92 unequal: No Solution Moving to Node #0,2,2 Current State: 92:[28, 52], Operations: ['63-58=5', '57-5=52'] Exploring Operation: 52-28=24, Resulting Numbers: [24] 24,92 unequal: No Solution Exploring Operation: 28+52=80, Resulting Numbers: [80] 80,92 unequal: No Solution Exploring Operation: 28*52=1456, Resulting Numbers: [1456] 1456,92 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 #0,1 Current State: 92:[28, 58, 6], Operations: ['63-57=6'] Exploring Operation: 28+58=86, Resulting Numbers: [6, 86] Generated Node #0,1,0: 92:[6, 86] Operation: 28+58=86 Exploring Operation: 58-6=52, Resulting Numbers: [28, 52] Generated Node #0,1,1: 92:[28, 52] Operation: 58-6=52 Exploring Operation: 58-28=30, Resulting Numbers: [6, 30] Generated Node #0,1,2: 92:[6, 30] Operation: 58-28=30 Moving to Node #0,1,0 Current State: 92:[6, 86], Operations: ['63-57=6', '28+58=86'] Exploring Operation: 6*86=516, Resulting Numbers: [516] 516,92 unequal: No Solution Exploring Operation: 6+86=92, Resulting Numbers: [92] 92,92 equal: Goal Reached Moving to Node #0 Current State: 92:[63, 57, 28, 58], Operations: [] Exploring Operation: 63-57=6, Resulting Numbers: [28, 58, 6] Generated Node #0,1: 92:[28, 58, 6] Operation: 63-57=6 Moving to Node #0,1 Current State: 92:[28, 58, 6], Operations: ['63-57=6'] Exploring Operation: 28+58=86, Resulting Numbers: [6, 86] Generated Node #0,1,0: 92:[6, 86] Operation: 28+58=86 Moving to Node #0,1,0 Current State: 92:[6, 86], Operations: ['63-57=6', '28+58=86'] Exploring Operation: 6+86=92, Resulting Numbers: [92] 92,92 equal: Goal Reached Exit Sub Search at level 1
0.979167
hs_3
sum_heuristic
[ 21, 65, 90, 49 ]
18
[ "65-21=44", "49-44=5", "90/5=18" ]
Current State: 18:[21, 65, 90, 49], Operations: [] Exploring Operation: 65-21=44, Resulting Numbers: [90, 49, 44] Generated Node #2: [90, 49, 44] from Operation: 65-21=44 Current State: 18:[90, 49, 44], Operations: ['65-21=44'] Exploring Operation: 49-44=5, Resulting Numbers: [90, 5] Generated Node #3: [90, 5] from Operation: 49-44=5 Current State: 18:[90, 5], Operations: ['65-21=44', '49-44=5'] Exploring Operation: 90/5=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[21, 65, 90, 49], Operations: [] Exploring Operation: 90-65=25, Resulting Numbers: [21, 49, 25] Generated Node #0,0: 18:[21, 49, 25] Operation: 90-65=25 Exploring Operation: 90-49=41, Resulting Numbers: [21, 65, 41] Generated Node #0,1: 18:[21, 65, 41] Operation: 90-49=41 Moving to Node #0,0 Current State: 18:[21, 49, 25], Operations: ['90-65=25'] Exploring Operation: 49-21=28, Resulting Numbers: [25, 28] Generated Node #0,0,0: 18:[25, 28] Operation: 49-21=28 Exploring Operation: 49-25=24, Resulting Numbers: [21, 24] Generated Node #0,0,1: 18:[21, 24] Operation: 49-25=24 Moving to Node #0,1 Current State: 18:[21, 65, 41], Operations: ['90-49=41'] Exploring Operation: 65-21=44, Resulting Numbers: [41, 44] Generated Node #0,1,0: 18:[41, 44] Operation: 65-21=44 Exploring Operation: 65-41=24, Resulting Numbers: [21, 24] Generated Node #0,1,1: 18:[21, 24] Operation: 65-41=24 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 18:[21, 24], Operations: ['90-49=41', '65-41=24'] Exploring Operation: 24-21=3, Resulting Numbers: [3] 3,18 unequal: No Solution Exploring Operation: 21+24=45, Resulting Numbers: [45] 45,18 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 18:[41, 44], Operations: ['90-49=41', '65-21=44'] Exploring Operation: 41+44=85, Resulting Numbers: [85] 85,18 unequal: No Solution Exploring Operation: 44-41=3, Resulting Numbers: [3] 3,18 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: 18:[21, 24], Operations: ['90-65=25', '49-25=24'] Exploring Operation: 24-21=3, Resulting Numbers: [3] 3,18 unequal: No Solution Exploring Operation: 21+24=45, Resulting Numbers: [45] 45,18 unequal: No Solution Moving to Node #0,0,0 Current State: 18:[25, 28], Operations: ['90-65=25', '49-21=28'] Exploring Operation: 25+28=53, Resulting Numbers: [53] 53,18 unequal: No Solution Exploring Operation: 28-25=3, Resulting Numbers: [3] 3,18 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 52, 80, 69, 52 ]
45
[ "80-52=28", "69-52=17", "28+17=45" ]
Current State: 45:[52, 80, 69, 52], Operations: [] Exploring Operation: 80-52=28, Resulting Numbers: [69, 28] Generated Node #2: [69, 28] from Operation: 80-52=28 Current State: 45:[69, 28], Operations: ['80-52=28'] Exploring Operation: 69-52=17, Resulting Numbers: [28, 17] Generated Node #3: [28, 17] from Operation: 69-52=17 Current State: 45:[28, 17], Operations: ['80-52=28', '69-52=17'] Exploring Operation: 28+17=45, Resulting Numbers: [45] 45,45 equal: Goal Reached
4
Current State: 45:[52, 80, 69, 52], Operations: [] Exploring Operation: 69-52=17, Resulting Numbers: [80, 52, 17] Generated Node #0,0: 45:[80, 52, 17] Operation: 69-52=17 Exploring Operation: 80-69=11, Resulting Numbers: [52, 52, 11] Generated Node #0,1: 45:[52, 52, 11] Operation: 80-69=11 Exploring Operation: 80-52=28, Resulting Numbers: [69, 52, 28] Generated Node #0,2: 45:[69, 52, 28] Operation: 80-52=28 Start Sub Search at level 1: Moving to Node #0,1 Current State: 45:[52, 52, 11], Operations: ['80-69=11'] Exploring Operation: 52-52=0, Resulting Numbers: [11, 0] Generated Node #0,1,0: 45:[11, 0] Operation: 52-52=0 Exploring Operation: 52-11=41, Resulting Numbers: [52, 41] Generated Node #0,1,1: 45:[52, 41] Operation: 52-11=41 Exploring Operation: 52/52=1, Resulting Numbers: [11, 1] Generated Node #0,1,2: 45:[11, 1] Operation: 52/52=1 Moving to Node #0,1,2 Current State: 45:[11, 1], Operations: ['80-69=11', '52/52=1'] Exploring Operation: 11*1=11, Resulting Numbers: [11] 11,45 unequal: No Solution Exploring Operation: 11/1=11, Resulting Numbers: [11] 11,45 unequal: No Solution Exploring Operation: 11-1=10, Resulting Numbers: [10] 10,45 unequal: No Solution Moving to Node #0,1,0 Current State: 45:[11, 0], Operations: ['80-69=11', '52-52=0'] Exploring Operation: 11-0=11, Resulting Numbers: [11] 11,45 unequal: No Solution Exploring Operation: 11+0=11, Resulting Numbers: [11] 11,45 unequal: No Solution Exploring Operation: 11*0=0, Resulting Numbers: [0] 0,45 unequal: No Solution Moving to Node #0,1,1 Current State: 45:[52, 41], Operations: ['80-69=11', '52-11=41'] Exploring Operation: 52-41=11, Resulting Numbers: [11] 11,45 unequal: No Solution Exploring Operation: 52*41=2132, Resulting Numbers: [2132] 2132,45 unequal: No Solution Exploring Operation: 52+41=93, Resulting Numbers: [93] 93,45 unequal: No Solution No 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: 45:[80, 52, 17], Operations: ['69-52=17'] Exploring Operation: 80-17=63, Resulting Numbers: [52, 63] Generated Node #0,0,0: 45:[52, 63] Operation: 80-17=63 Exploring Operation: 52-17=35, Resulting Numbers: [80, 35] Generated Node #0,0,1: 45:[80, 35] Operation: 52-17=35 Exploring Operation: 80-52=28, Resulting Numbers: [17, 28] Generated Node #0,0,2: 45:[17, 28] Operation: 80-52=28 Moving to Node #0,0,2 Current State: 45:[17, 28], Operations: ['69-52=17', '80-52=28'] Exploring Operation: 28-17=11, Resulting Numbers: [11] 11,45 unequal: No Solution Exploring Operation: 17*28=476, Resulting Numbers: [476] 476,45 unequal: No Solution Exploring Operation: 17+28=45, Resulting Numbers: [45] 45,45 equal: Goal Reached Moving to Node #0 Current State: 45:[52, 80, 69, 52], Operations: [] Exploring Operation: 69-52=17, Resulting Numbers: [80, 52, 17] Generated Node #0,0: 45:[80, 52, 17] Operation: 69-52=17 Moving to Node #0,0 Current State: 45:[80, 52, 17], Operations: ['69-52=17'] Exploring Operation: 80-52=28, Resulting Numbers: [17, 28] Generated Node #0,0,2: 45:[17, 28] Operation: 80-52=28 Moving to Node #0,0,2 Current State: 45:[17, 28], Operations: ['69-52=17', '80-52=28'] Exploring Operation: 17+28=45, Resulting Numbers: [45] 45,45 equal: Goal Reached Exit Sub Search at level 1
0.978299
hs_3
sum_heuristic
[ 86, 22, 32, 98 ]
49
[ "86-22=64", "32*98=3136", "3136/64=49" ]
Current State: 49:[86, 22, 32, 98], Operations: [] Exploring Operation: 86-22=64, Resulting Numbers: [32, 98, 64] Generated Node #2: [32, 98, 64] from Operation: 86-22=64 Current State: 49:[32, 98, 64], Operations: ['86-22=64'] Exploring Operation: 32*98=3136, Resulting Numbers: [64, 3136] Generated Node #3: [64, 3136] from Operation: 32*98=3136 Current State: 49:[64, 3136], Operations: ['86-22=64', '32*98=3136'] Exploring Operation: 3136/64=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
4
Current State: 49:[86, 22, 32, 98], Operations: [] Exploring Operation: 86-32=54, Resulting Numbers: [22, 98, 54] Generated Node #0,0: 49:[22, 98, 54] Operation: 86-32=54 Exploring Operation: 98-86=12, Resulting Numbers: [22, 32, 12] Generated Node #0,1: 49:[22, 32, 12] Operation: 98-86=12 Exploring Operation: 98-32=66, Resulting Numbers: [86, 22, 66] Generated Node #0,2: 49:[86, 22, 66] Operation: 98-32=66 Exploring Operation: 86-22=64, Resulting Numbers: [32, 98, 64] Generated Node #0,3: 49:[32, 98, 64] Operation: 86-22=64 Moving to Node #0,1 Current State: 49:[22, 32, 12], Operations: ['98-86=12'] Exploring Operation: 32+12=44, Resulting Numbers: [22, 44] Generated Node #0,1,0: 49:[22, 44] Operation: 32+12=44 Exploring Operation: 22-12=10, Resulting Numbers: [32, 10] Generated Node #0,1,1: 49:[32, 10] Operation: 22-12=10 Exploring Operation: 32-22=10, Resulting Numbers: [12, 10] Generated Node #0,1,2: 49:[12, 10] Operation: 32-22=10 Exploring Operation: 22+32=54, Resulting Numbers: [12, 54] Generated Node #0,1,3: 49:[12, 54] Operation: 22+32=54 Moving to Node #0,2 Current State: 49:[86, 22, 66], Operations: ['98-32=66'] Exploring Operation: 66-22=44, Resulting Numbers: [86, 44] Generated Node #0,2,0: 49:[86, 44] Operation: 66-22=44 Exploring Operation: 86-66=20, Resulting Numbers: [22, 20] Generated Node #0,2,1: 49:[22, 20] Operation: 86-66=20 Exploring Operation: 66/22=3, Resulting Numbers: [86, 3] Generated Node #0,2,2: 49:[86, 3] Operation: 66/22=3 Exploring Operation: 86-22=64, Resulting Numbers: [66, 64] Generated Node #0,2,3: 49:[66, 64] Operation: 86-22=64 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 49:[22, 20], Operations: ['98-32=66', '86-66=20'] Exploring Operation: 22*20=440, Resulting Numbers: [440] 440,49 unequal: No Solution Exploring Operation: 22-20=2, Resulting Numbers: [2] 2,49 unequal: No Solution Exploring Operation: 22+20=42, Resulting Numbers: [42] 42,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 49:[66, 64], Operations: ['98-32=66', '86-22=64'] Exploring Operation: 66*64=4224, Resulting Numbers: [4224] 4224,49 unequal: No Solution Exploring Operation: 66-64=2, Resulting Numbers: [2] 2,49 unequal: No Solution Exploring Operation: 66+64=130, Resulting Numbers: [130] 130,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 49:[86, 3], Operations: ['98-32=66', '66/22=3'] Exploring Operation: 86+3=89, Resulting Numbers: [89] 89,49 unequal: No Solution Exploring Operation: 86-3=83, Resulting Numbers: [83] 83,49 unequal: No Solution Exploring Operation: 86*3=258, Resulting Numbers: [258] 258,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 49:[86, 44], Operations: ['98-32=66', '66-22=44'] Exploring Operation: 86-44=42, Resulting Numbers: [42] 42,49 unequal: No Solution Exploring Operation: 86*44=3784, Resulting Numbers: [3784] 3784,49 unequal: No Solution Exploring Operation: 86+44=130, Resulting Numbers: [130] 130,49 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: 49:[22, 98, 54], Operations: ['86-32=54'] Exploring Operation: 22+98=120, Resulting Numbers: [54, 120] Generated Node #0,0,0: 49:[54, 120] Operation: 22+98=120 Exploring Operation: 98-54=44, Resulting Numbers: [22, 44] Generated Node #0,0,1: 49:[22, 44] Operation: 98-54=44 Exploring Operation: 98-22=76, Resulting Numbers: [54, 76] Generated Node #0,0,2: 49:[54, 76] Operation: 98-22=76 Exploring Operation: 54-22=32, Resulting Numbers: [98, 32] Generated Node #0,0,3: 49:[98, 32] Operation: 54-22=32 Moving to Node #0,3 Current State: 49:[32, 98, 64], Operations: ['86-22=64'] Exploring Operation: 98-64=34, Resulting Numbers: [32, 34] Generated Node #0,3,0: 49:[32, 34] Operation: 98-64=34 Exploring Operation: 98-32=66, Resulting Numbers: [64, 66] Generated Node #0,3,1: 49:[64, 66] Operation: 98-32=66 Exploring Operation: 64/32=2, Resulting Numbers: [98, 2] Generated Node #0,3,2: 49:[98, 2] Operation: 64/32=2 Exploring Operation: 64-32=32, Resulting Numbers: [98, 32] Generated Node #0,3,3: 49:[98, 32] Operation: 64-32=32 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 49:[32, 34], Operations: ['86-22=64', '98-64=34'] Exploring Operation: 32*34=1088, Resulting Numbers: [1088] 1088,49 unequal: No Solution Exploring Operation: 34-32=2, Resulting Numbers: [2] 2,49 unequal: No Solution Exploring Operation: 32+34=66, Resulting Numbers: [66] 66,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 49:[64, 66], Operations: ['86-22=64', '98-32=66'] Exploring Operation: 64+66=130, Resulting Numbers: [130] 130,49 unequal: No Solution Exploring Operation: 66-64=2, Resulting Numbers: [2] 2,49 unequal: No Solution Exploring Operation: 64*66=4224, Resulting Numbers: [4224] 4224,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 49:[98, 2], Operations: ['86-22=64', '64/32=2'] Exploring Operation: 98/2=49, Resulting Numbers: [49] 49,49 equal: Goal Reached Moving to Node #0 Current State: 49:[86, 22, 32, 98], Operations: [] Exploring Operation: 86-22=64, Resulting Numbers: [32, 98, 64] Generated Node #0,3: 49:[32, 98, 64] Operation: 86-22=64 Moving to Node #0,3 Current State: 49:[32, 98, 64], Operations: ['86-22=64'] Exploring Operation: 64/32=2, Resulting Numbers: [98, 2] Generated Node #0,3,2: 49:[98, 2] Operation: 64/32=2 Moving to Node #0,3,2 Current State: 49:[98, 2], Operations: ['86-22=64', '64/32=2'] Exploring Operation: 98/2=49, Resulting Numbers: [49] 49,49 equal: Goal Reached Exit Sub Search at level 1
0.962674
hs_4
sum_heuristic
[ 35, 20, 85, 32 ]
75
[ "35+85=120", "20*120=2400", "2400/32=75" ]
Current State: 75:[35, 20, 85, 32], Operations: [] Exploring Operation: 35+85=120, Resulting Numbers: [20, 32, 120] Generated Node #2: [20, 32, 120] from Operation: 35+85=120 Current State: 75:[20, 32, 120], Operations: ['35+85=120'] Exploring Operation: 20*120=2400, Resulting Numbers: [32, 2400] Generated Node #3: [32, 2400] from Operation: 20*120=2400 Current State: 75:[32, 2400], Operations: ['35+85=120', '20*120=2400'] Exploring Operation: 2400/32=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
4
Current State: 75:[35, 20, 85, 32], Operations: [] Exploring Operation: 35-32=3, Resulting Numbers: [20, 85, 3] Generated Node #0,0: 75:[20, 85, 3] Operation: 35-32=3 Moving to Node #0,0 Current State: 75:[20, 85, 3], Operations: ['35-32=3'] Exploring Operation: 85-20=65, Resulting Numbers: [3, 65] Generated Node #0,0,0: 75:[3, 65] Operation: 85-20=65 Moving to Node #0,0,0 Current State: 75:[3, 65], Operations: ['35-32=3', '85-20=65'] Exploring Operation: 3+65=68, Resulting Numbers: [68] 68,75 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 83, 65, 27, 38 ]
82
[ "65-27=38", "38/38=1", "83-1=82" ]
Current State: 82:[83, 65, 27, 38], Operations: [] Exploring Operation: 65-27=38, Resulting Numbers: [83, 38, 38] Generated Node #2: [83, 38, 38] from Operation: 65-27=38 Current State: 82:[83, 38, 38], Operations: ['65-27=38'] Exploring Operation: 38/38=1, Resulting Numbers: [83, 1] Generated Node #3: [83, 1] from Operation: 38/38=1 Current State: 82:[83, 1], Operations: ['65-27=38', '38/38=1'] Exploring Operation: 83-1=82, Resulting Numbers: [82] 82,82 equal: Goal Reached
4
Current State: 82:[83, 65, 27, 38], Operations: [] Exploring Operation: 65-27=38, Resulting Numbers: [83, 38, 38] Generated Node #0,0: 82:[83, 38, 38] Operation: 65-27=38 Exploring Operation: 65+27=92, Resulting Numbers: [83, 38, 92] Generated Node #0,1: 82:[83, 38, 92] Operation: 65+27=92 Exploring Operation: 38-27=11, Resulting Numbers: [83, 65, 11] Generated Node #0,2: 82:[83, 65, 11] Operation: 38-27=11 Moving to Node #0,0 Current State: 82:[83, 38, 38], Operations: ['65-27=38'] Exploring Operation: 38-38=0, Resulting Numbers: [83, 0] Generated Node #0,0,0: 82:[83, 0] Operation: 38-38=0 Exploring Operation: 38/38=1, Resulting Numbers: [83, 1] Generated Node #0,0,1: 82:[83, 1] Operation: 38/38=1 Exploring Operation: 83-38=45, Resulting Numbers: [38, 45] Generated Node #0,0,2: 82:[38, 45] Operation: 83-38=45 Moving to Node #0,1 Current State: 82:[83, 38, 92], Operations: ['65+27=92'] Exploring Operation: 92-83=9, Resulting Numbers: [38, 9] Generated Node #0,1,0: 82:[38, 9] Operation: 92-83=9 Exploring Operation: 83-38=45, Resulting Numbers: [92, 45] Generated Node #0,1,1: 82:[92, 45] Operation: 83-38=45 Exploring Operation: 92-38=54, Resulting Numbers: [83, 54] Generated Node #0,1,2: 82:[83, 54] Operation: 92-38=54 Moving to Node #0,2 Current State: 82:[83, 65, 11], Operations: ['38-27=11'] Exploring Operation: 65+11=76, Resulting Numbers: [83, 76] Generated Node #0,2,0: 82:[83, 76] Operation: 65+11=76 Exploring Operation: 65-11=54, Resulting Numbers: [83, 54] Generated Node #0,2,1: 82:[83, 54] Operation: 65-11=54 Exploring Operation: 83-65=18, Resulting Numbers: [11, 18] Generated Node #0,2,2: 82:[11, 18] Operation: 83-65=18 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 82:[83, 76], Operations: ['38-27=11', '65+11=76'] Exploring Operation: 83-76=7, Resulting Numbers: [7] 7,82 unequal: No Solution Exploring Operation: 83+76=159, Resulting Numbers: [159] 159,82 unequal: No Solution Exploring Operation: 83*76=6308, Resulting Numbers: [6308] 6308,82 unequal: No Solution No 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: 82:[83, 54], Operations: ['38-27=11', '65-11=54'] Exploring Operation: 83-54=29, Resulting Numbers: [29] 29,82 unequal: No Solution Exploring Operation: 83*54=4482, Resulting Numbers: [4482] 4482,82 unequal: No Solution Exploring Operation: 83+54=137, Resulting Numbers: [137] 137,82 unequal: No Solution No 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: 82:[11, 18], Operations: ['38-27=11', '83-65=18'] Exploring Operation: 11+18=29, Resulting Numbers: [29] 29,82 unequal: No Solution Exploring Operation: 11*18=198, Resulting Numbers: [198] 198,82 unequal: No Solution Exploring Operation: 18-11=7, Resulting Numbers: [7] 7,82 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: 82:[83, 1], Operations: ['65-27=38', '38/38=1'] Exploring Operation: 83/1=83, Resulting Numbers: [83] 83,82 unequal: No Solution Exploring Operation: 83*1=83, Resulting Numbers: [83] 83,82 unequal: No Solution Exploring Operation: 83-1=82, Resulting Numbers: [82] 82,82 equal: Goal Reached Moving to Node #0 Current State: 82:[83, 65, 27, 38], Operations: [] Exploring Operation: 65-27=38, Resulting Numbers: [83, 38, 38] Generated Node #0,0: 82:[83, 38, 38] Operation: 65-27=38 Moving to Node #0,0 Current State: 82:[83, 38, 38], Operations: ['65-27=38'] Exploring Operation: 38/38=1, Resulting Numbers: [83, 1] Generated Node #0,0,1: 82:[83, 1] Operation: 38/38=1 Moving to Node #0,0,1 Current State: 82:[83, 1], Operations: ['65-27=38', '38/38=1'] Exploring Operation: 83-1=82, Resulting Numbers: [82] 82,82 equal: Goal Reached
0.975694
hs_3
sum_heuristic
[ 92, 76, 73, 58 ]
54
[ "92-73=19", "76/19=4", "58-4=54" ]
Current State: 54:[92, 76, 73, 58], Operations: [] Exploring Operation: 92-73=19, Resulting Numbers: [76, 58, 19] Generated Node #2: [76, 58, 19] from Operation: 92-73=19 Current State: 54:[76, 58, 19], Operations: ['92-73=19'] Exploring Operation: 76/19=4, Resulting Numbers: [58, 4] Generated Node #3: [58, 4] from Operation: 76/19=4 Current State: 54:[58, 4], Operations: ['92-73=19', '76/19=4'] Exploring Operation: 58-4=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
4
Current State: 54:[92, 76, 73, 58], Operations: [] Exploring Operation: 76-73=3, Resulting Numbers: [92, 58, 3] Generated Node #0,0: 54:[92, 58, 3] Operation: 76-73=3 Exploring Operation: 92-58=34, Resulting Numbers: [76, 73, 34] Generated Node #0,1: 54:[76, 73, 34] Operation: 92-58=34 Exploring Operation: 92-73=19, Resulting Numbers: [76, 58, 19] Generated Node #0,2: 54:[76, 58, 19] Operation: 92-73=19 Exploring Operation: 76-58=18, Resulting Numbers: [92, 73, 18] Generated Node #0,3: 54:[92, 73, 18] Operation: 76-58=18 Exploring Operation: 92-76=16, Resulting Numbers: [73, 58, 16] Generated Node #0,4: 54:[73, 58, 16] Operation: 92-76=16 Start Sub Search at level 1: Moving to Node #0,4 Current State: 54:[73, 58, 16], Operations: ['92-76=16'] Exploring Operation: 58-16=42, Resulting Numbers: [73, 42] Generated Node #0,4,0: 54:[73, 42] Operation: 58-16=42 Exploring Operation: 73-58=15, Resulting Numbers: [16, 15] Generated Node #0,4,1: 54:[16, 15] Operation: 73-58=15 Exploring Operation: 58+16=74, Resulting Numbers: [73, 74] Generated Node #0,4,2: 54:[73, 74] Operation: 58+16=74 Exploring Operation: 73-16=57, Resulting Numbers: [58, 57] Generated Node #0,4,3: 54:[58, 57] Operation: 73-16=57 Exploring Operation: 73+16=89, Resulting Numbers: [58, 89] Generated Node #0,4,4: 54:[58, 89] Operation: 73+16=89 Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 54:[16, 15], Operations: ['92-76=16', '73-58=15'] Exploring Operation: 16-15=1, Resulting Numbers: [1] 1,54 unequal: No Solution Exploring Operation: 16+15=31, Resulting Numbers: [31] 31,54 unequal: No Solution Exploring Operation: 16*15=240, Resulting Numbers: [240] 240,54 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 54:[58, 57], Operations: ['92-76=16', '73-16=57'] Exploring Operation: 58-57=1, Resulting Numbers: [1] 1,54 unequal: No Solution Exploring Operation: 58+57=115, Resulting Numbers: [115] 115,54 unequal: No Solution Exploring Operation: 58*57=3306, Resulting Numbers: [3306] 3306,54 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 54:[73, 42], Operations: ['92-76=16', '58-16=42'] Exploring Operation: 73*42=3066, Resulting Numbers: [3066] 3066,54 unequal: No Solution Exploring Operation: 73+42=115, Resulting Numbers: [115] 115,54 unequal: No Solution Exploring Operation: 73-42=31, Resulting Numbers: [31] 31,54 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 54:[73, 74], Operations: ['92-76=16', '58+16=74'] Exploring Operation: 73+74=147, Resulting Numbers: [147] 147,54 unequal: No Solution Exploring Operation: 73*74=5402, Resulting Numbers: [5402] 5402,54 unequal: No Solution Exploring Operation: 74-73=1, Resulting Numbers: [1] 1,54 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 54:[58, 89], Operations: ['92-76=16', '73+16=89'] Exploring Operation: 58+89=147, Resulting Numbers: [147] 147,54 unequal: No Solution Exploring Operation: 89-58=31, Resulting Numbers: [31] 31,54 unequal: No Solution Exploring Operation: 58*89=5162, Resulting Numbers: [5162] 5162,54 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 54:[76, 58, 19], Operations: ['92-73=19'] Exploring Operation: 76-58=18, Resulting Numbers: [19, 18] Generated Node #0,2,0: 54:[19, 18] Operation: 76-58=18 Exploring Operation: 76-19=57, Resulting Numbers: [58, 57] Generated Node #0,2,1: 54:[58, 57] Operation: 76-19=57 Exploring Operation: 76+19=95, Resulting Numbers: [58, 95] Generated Node #0,2,2: 54:[58, 95] Operation: 76+19=95 Exploring Operation: 58-19=39, Resulting Numbers: [76, 39] Generated Node #0,2,3: 54:[76, 39] Operation: 58-19=39 Exploring Operation: 76/19=4, Resulting Numbers: [58, 4] Generated Node #0,2,4: 54:[58, 4] Operation: 76/19=4 Moving to Node #0,2,0 Current State: 54:[19, 18], Operations: ['92-73=19', '76-58=18'] Exploring Operation: 19+18=37, Resulting Numbers: [37] 37,54 unequal: No Solution Exploring Operation: 19*18=342, Resulting Numbers: [342] 342,54 unequal: No Solution Exploring Operation: 19-18=1, Resulting Numbers: [1] 1,54 unequal: No Solution Moving to Node #0,2,4 Current State: 54:[58, 4], Operations: ['92-73=19', '76/19=4'] Exploring Operation: 58-4=54, Resulting Numbers: [54] 54,54 equal: Goal Reached Moving to Node #0 Current State: 54:[92, 76, 73, 58], Operations: [] Exploring Operation: 92-73=19, Resulting Numbers: [76, 58, 19] Generated Node #0,2: 54:[76, 58, 19] Operation: 92-73=19 Moving to Node #0,2 Current State: 54:[76, 58, 19], Operations: ['92-73=19'] Exploring Operation: 76/19=4, Resulting Numbers: [58, 4] Generated Node #0,2,4: 54:[58, 4] Operation: 76/19=4 Moving to Node #0,2,4 Current State: 54:[58, 4], Operations: ['92-73=19', '76/19=4'] Exploring Operation: 58-4=54, Resulting Numbers: [54] 54,54 equal: Goal Reached Exit Sub Search at level 1
0.967014
hs_5
sum_heuristic
[ 75, 24, 2, 84 ]
31
[ "75-24=51", "84-2=82", "82-51=31" ]
Current State: 31:[75, 24, 2, 84], Operations: [] Exploring Operation: 75-24=51, Resulting Numbers: [2, 84, 51] Generated Node #2: [2, 84, 51] from Operation: 75-24=51 Current State: 31:[2, 84, 51], Operations: ['75-24=51'] Exploring Operation: 84-2=82, Resulting Numbers: [51, 82] Generated Node #3: [51, 82] from Operation: 84-2=82 Current State: 31:[51, 82], Operations: ['75-24=51', '84-2=82'] Exploring Operation: 82-51=31, Resulting Numbers: [31] 31,31 equal: Goal Reached
4
Current State: 31:[75, 24, 2, 84], Operations: [] Exploring Operation: 84/2=42, Resulting Numbers: [75, 24, 42] Generated Node #0,0: 31:[75, 24, 42] Operation: 84/2=42 Exploring Operation: 84-75=9, Resulting Numbers: [24, 2, 9] Generated Node #0,1: 31:[24, 2, 9] Operation: 84-75=9 Exploring Operation: 75-2=73, Resulting Numbers: [24, 84, 73] Generated Node #0,2: 31:[24, 84, 73] Operation: 75-2=73 Exploring Operation: 75-24=51, Resulting Numbers: [2, 84, 51] Generated Node #0,3: 31:[2, 84, 51] Operation: 75-24=51 Exploring Operation: 24+2=26, Resulting Numbers: [75, 84, 26] Generated Node #0,4: 31:[75, 84, 26] Operation: 24+2=26 Start Sub Search at level 1: Moving to Node #0,1 Current State: 31:[24, 2, 9], Operations: ['84-75=9'] Exploring Operation: 24-2=22, Resulting Numbers: [9, 22] Generated Node #0,1,0: 31:[9, 22] Operation: 24-2=22 Exploring Operation: 2*9=18, Resulting Numbers: [24, 18] Generated Node #0,1,1: 31:[24, 18] Operation: 2*9=18 Exploring Operation: 24+2=26, Resulting Numbers: [9, 26] Generated Node #0,1,2: 31:[9, 26] Operation: 24+2=26 Exploring Operation: 24+9=33, Resulting Numbers: [2, 33] Generated Node #0,1,3: 31:[2, 33] Operation: 24+9=33 Exploring Operation: 2+9=11, Resulting Numbers: [24, 11] Generated Node #0,1,4: 31:[24, 11] Operation: 2+9=11 Moving to Node #0,1,1 Current State: 31:[24, 18], Operations: ['84-75=9', '2*9=18'] Exploring Operation: 24-18=6, Resulting Numbers: [6] 6,31 unequal: No Solution Exploring Operation: 24+18=42, Resulting Numbers: [42] 42,31 unequal: No Solution Exploring Operation: 24*18=432, Resulting Numbers: [432] 432,31 unequal: No Solution Moving to Node #0,1,4 Current State: 31:[24, 11], Operations: ['84-75=9', '2+9=11'] Exploring Operation: 24*11=264, Resulting Numbers: [264] 264,31 unequal: No Solution Exploring Operation: 24+11=35, Resulting Numbers: [35] 35,31 unequal: No Solution Exploring Operation: 24-11=13, Resulting Numbers: [13] 13,31 unequal: No Solution Moving to Node #0,1,2 Current State: 31:[9, 26], Operations: ['84-75=9', '24+2=26'] Exploring Operation: 26-9=17, Resulting Numbers: [17] 17,31 unequal: No Solution Exploring Operation: 9*26=234, Resulting Numbers: [234] 234,31 unequal: No Solution Exploring Operation: 9+26=35, Resulting Numbers: [35] 35,31 unequal: No Solution Moving to Node #0,1,0 Current State: 31:[9, 22], Operations: ['84-75=9', '24-2=22'] Exploring Operation: 9+22=31, Resulting Numbers: [31] 31,31 equal: Goal Reached Moving to Node #0 Current State: 31:[75, 24, 2, 84], Operations: [] Exploring Operation: 84-75=9, Resulting Numbers: [24, 2, 9] Generated Node #0,1: 31:[24, 2, 9] Operation: 84-75=9 Moving to Node #0,1 Current State: 31:[24, 2, 9], Operations: ['84-75=9'] Exploring Operation: 24-2=22, Resulting Numbers: [9, 22] Generated Node #0,1,0: 31:[9, 22] Operation: 24-2=22 Moving to Node #0,1,0 Current State: 31:[9, 22], Operations: ['84-75=9', '24-2=22'] Exploring Operation: 9+22=31, Resulting Numbers: [31] 31,31 equal: Goal Reached Exit Sub Search at level 1
0.979167
hs_5
mult_heuristic
[ 57, 36, 51, 60 ]
84
[ "57+36=93", "60-51=9", "93-9=84" ]
Current State: 84:[57, 36, 51, 60], Operations: [] Exploring Operation: 57+36=93, Resulting Numbers: [51, 60, 93] Generated Node #2: [51, 60, 93] from Operation: 57+36=93 Current State: 84:[51, 60, 93], Operations: ['57+36=93'] Exploring Operation: 60-51=9, Resulting Numbers: [93, 9] Generated Node #3: [93, 9] from Operation: 60-51=9 Current State: 84:[93, 9], Operations: ['57+36=93', '60-51=9'] Exploring Operation: 93-9=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
4
Current State: 84:[57, 36, 51, 60], Operations: [] Exploring Operation: 60-57=3, Resulting Numbers: [36, 51, 3] Generated Node #0,0: 84:[36, 51, 3] Operation: 60-57=3 Exploring Operation: 57-36=21, Resulting Numbers: [51, 60, 21] Generated Node #0,1: 84:[51, 60, 21] Operation: 57-36=21 Exploring Operation: 60-51=9, Resulting Numbers: [57, 36, 9] Generated Node #0,2: 84:[57, 36, 9] Operation: 60-51=9 Exploring Operation: 57-51=6, Resulting Numbers: [36, 60, 6] Generated Node #0,3: 84:[36, 60, 6] Operation: 57-51=6 Start Sub Search at level 1: Moving to Node #0,0 Current State: 84:[36, 51, 3], Operations: ['60-57=3'] Exploring Operation: 36+51=87, Resulting Numbers: [3, 87] Generated Node #0,0,0: 84:[3, 87] Operation: 36+51=87 Exploring Operation: 51/3=17, Resulting Numbers: [36, 17] Generated Node #0,0,1: 84:[36, 17] Operation: 51/3=17 Exploring Operation: 51-36=15, Resulting Numbers: [3, 15] Generated Node #0,0,2: 84:[3, 15] Operation: 51-36=15 Exploring Operation: 36/3=12, Resulting Numbers: [51, 12] Generated Node #0,0,3: 84:[51, 12] Operation: 36/3=12 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 84:[3, 15], Operations: ['60-57=3', '51-36=15'] Exploring Operation: 15/3=5, Resulting Numbers: [5] 5,84 unequal: No Solution Exploring Operation: 3+15=18, Resulting Numbers: [18] 18,84 unequal: No Solution Exploring Operation: 15-3=12, Resulting Numbers: [12] 12,84 unequal: No Solution Exploring Operation: 3*15=45, Resulting Numbers: [45] 45,84 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 84:[3, 87], Operations: ['60-57=3', '36+51=87'] Exploring Operation: 87-3=84, Resulting Numbers: [84] 84,84 equal: Goal Reached Moving to Node #0 Current State: 84:[57, 36, 51, 60], Operations: [] Exploring Operation: 60-57=3, Resulting Numbers: [36, 51, 3] Generated Node #0,0: 84:[36, 51, 3] Operation: 60-57=3 Moving to Node #0,0 Current State: 84:[36, 51, 3], Operations: ['60-57=3'] Exploring Operation: 36+51=87, Resulting Numbers: [3, 87] Generated Node #0,0,0: 84:[3, 87] Operation: 36+51=87 Moving to Node #0,0,0 Current State: 84:[3, 87], Operations: ['60-57=3', '36+51=87'] Exploring Operation: 87-3=84, Resulting Numbers: [84] 84,84 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.985243
hs_4
mult_heuristic
[ 94, 62, 32, 35 ]
36
[ "94-62=32", "32/32=1", "35+1=36" ]
Current State: 36:[94, 62, 32, 35], Operations: [] Exploring Operation: 94-62=32, Resulting Numbers: [32, 35, 32] Generated Node #2: [32, 35, 32] from Operation: 94-62=32 Current State: 36:[32, 35, 32], Operations: ['94-62=32'] Exploring Operation: 32/32=1, Resulting Numbers: [35, 1] Generated Node #3: [35, 1] from Operation: 32/32=1 Current State: 36:[35, 1], Operations: ['94-62=32', '32/32=1'] Exploring Operation: 35+1=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
4
Current State: 36:[94, 62, 32, 35], Operations: [] Exploring Operation: 94-62=32, Resulting Numbers: [32, 35, 32] Generated Node #0,0: 36:[32, 35, 32] Operation: 94-62=32 Moving to Node #0,0 Current State: 36:[32, 35, 32], Operations: ['94-62=32'] Exploring Operation: 32/32=1, Resulting Numbers: [35, 1] Generated Node #0,0,0: 36:[35, 1] Operation: 32/32=1 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 36:[35, 1], Operations: ['94-62=32', '32/32=1'] Exploring Operation: 35+1=36, Resulting Numbers: [36] 36,36 equal: Goal Reached Moving to Node #0 Current State: 36:[94, 62, 32, 35], Operations: [] Exploring Operation: 94-62=32, Resulting Numbers: [32, 35, 32] Generated Node #0,0: 36:[32, 35, 32] Operation: 94-62=32 Moving to Node #0,0 Current State: 36:[32, 35, 32], Operations: ['94-62=32'] Exploring Operation: 32/32=1, Resulting Numbers: [35, 1] Generated Node #0,0,0: 36:[35, 1] Operation: 32/32=1 Moving to Node #0,0,0 Current State: 36:[35, 1], Operations: ['94-62=32', '32/32=1'] Exploring Operation: 35+1=36, Resulting Numbers: [36] 36,36 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 19, 56, 14, 49 ]
21
[ "19-14=5", "56+49=105", "105/5=21" ]
Current State: 21:[19, 56, 14, 49], Operations: [] Exploring Operation: 19-14=5, Resulting Numbers: [56, 49, 5] Generated Node #2: [56, 49, 5] from Operation: 19-14=5 Current State: 21:[56, 49, 5], Operations: ['19-14=5'] Exploring Operation: 56+49=105, Resulting Numbers: [5, 105] Generated Node #3: [5, 105] from Operation: 56+49=105 Current State: 21:[5, 105], Operations: ['19-14=5', '56+49=105'] Exploring Operation: 105/5=21, Resulting Numbers: [21] 21,21 equal: Goal Reached
4
Current State: 21:[19, 56, 14, 49], Operations: [] Exploring Operation: 56-49=7, Resulting Numbers: [19, 14, 7] Generated Node #0,0: 21:[19, 14, 7] Operation: 56-49=7 Exploring Operation: 56/14=4, Resulting Numbers: [19, 49, 4] Generated Node #0,1: 21:[19, 49, 4] Operation: 56/14=4 Exploring Operation: 56-19=37, Resulting Numbers: [14, 49, 37] Generated Node #0,2: 21:[14, 49, 37] Operation: 56-19=37 Start Sub Search at level 1: Moving to Node #0,0 Current State: 21:[19, 14, 7], Operations: ['56-49=7'] Exploring Operation: 19-14=5, Resulting Numbers: [7, 5] Generated Node #0,0,0: 21:[7, 5] Operation: 19-14=5 Exploring Operation: 14-7=7, Resulting Numbers: [19, 7] Generated Node #0,0,1: 21:[19, 7] Operation: 14-7=7 Exploring Operation: 14+7=21, Resulting Numbers: [19, 21] Generated Node #0,0,2: 21:[19, 21] Operation: 14+7=21 Moving to Node #0,0,0 Current State: 21:[7, 5], Operations: ['56-49=7', '19-14=5'] Exploring Operation: 7*5=35, Resulting Numbers: [35] 35,21 unequal: No Solution Exploring Operation: 7-5=2, Resulting Numbers: [2] 2,21 unequal: No Solution Exploring Operation: 7+5=12, Resulting Numbers: [12] 12,21 unequal: No Solution Moving to Node #0,0,1 Current State: 21:[19, 7], Operations: ['56-49=7', '14-7=7'] Exploring Operation: 19+7=26, Resulting Numbers: [26] 26,21 unequal: No Solution Exploring Operation: 19-7=12, Resulting Numbers: [12] 12,21 unequal: No Solution Exploring Operation: 19*7=133, Resulting Numbers: [133] 133,21 unequal: No Solution Moving to Node #0,0,2 Current State: 21:[19, 21], Operations: ['56-49=7', '14+7=21'] Exploring Operation: 19+21=40, Resulting Numbers: [40] 40,21 unequal: No Solution Exploring Operation: 19*21=399, Resulting Numbers: [399] 399,21 unequal: No Solution Exploring Operation: 21-19=2, Resulting Numbers: [2] 2,21 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 21:[19, 49, 4], Operations: ['56/14=4'] Exploring Operation: 49-19=30, Resulting Numbers: [4, 30] Generated Node #0,1,0: 21:[4, 30] Operation: 49-19=30 Exploring Operation: 49-4=45, Resulting Numbers: [19, 45] Generated Node #0,1,1: 21:[19, 45] Operation: 49-4=45 Exploring Operation: 19+4=23, Resulting Numbers: [49, 23] Generated Node #0,1,2: 21:[49, 23] Operation: 19+4=23 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 21:[4, 30], Operations: ['56/14=4', '49-19=30'] Exploring Operation: 4*30=120, Resulting Numbers: [120] 120,21 unequal: No Solution Exploring Operation: 4+30=34, Resulting Numbers: [34] 34,21 unequal: No Solution Exploring Operation: 30-4=26, Resulting Numbers: [26] 26,21 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 21:[19, 45], Operations: ['56/14=4', '49-4=45'] Exploring Operation: 19*45=855, Resulting Numbers: [855] 855,21 unequal: No Solution Exploring Operation: 45-19=26, Resulting Numbers: [26] 26,21 unequal: No Solution Exploring Operation: 19+45=64, Resulting Numbers: [64] 64,21 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 21:[49, 23], Operations: ['56/14=4', '19+4=23'] Exploring Operation: 49+23=72, Resulting Numbers: [72] 72,21 unequal: No Solution Exploring Operation: 49*23=1127, Resulting Numbers: [1127] 1127,21 unequal: No Solution Exploring Operation: 49-23=26, Resulting Numbers: [26] 26,21 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: 21:[14, 49, 37], Operations: ['56-19=37'] Exploring Operation: 49-37=12, Resulting Numbers: [14, 12] Generated Node #0,2,0: 21:[14, 12] Operation: 49-37=12 Exploring Operation: 49-14=35, Resulting Numbers: [37, 35] Generated Node #0,2,1: 21:[37, 35] Operation: 49-14=35 Exploring Operation: 37-14=23, Resulting Numbers: [49, 23] Generated Node #0,2,2: 21:[49, 23] Operation: 37-14=23 Moving to Node #0,2,0 Current State: 21:[14, 12], Operations: ['56-19=37', '49-37=12'] Exploring Operation: 14-12=2, Resulting Numbers: [2] 2,21 unequal: No Solution Exploring Operation: 14+12=26, Resulting Numbers: [26] 26,21 unequal: No Solution Exploring Operation: 14*12=168, Resulting Numbers: [168] 168,21 unequal: No Solution Moving to Node #0,2,1 Current State: 21:[37, 35], Operations: ['56-19=37', '49-14=35'] Exploring Operation: 37-35=2, Resulting Numbers: [2] 2,21 unequal: No Solution Exploring Operation: 37+35=72, Resulting Numbers: [72] 72,21 unequal: No Solution Exploring Operation: 37*35=1295, Resulting Numbers: [1295] 1295,21 unequal: No Solution Moving to Node #0,2,2 Current State: 21:[49, 23], Operations: ['56-19=37', '37-14=23'] Exploring Operation: 49-23=26, Resulting Numbers: [26] 26,21 unequal: No Solution Exploring Operation: 49+23=72, Resulting Numbers: [72] 72,21 unequal: No Solution Exploring Operation: 49*23=1127, Resulting Numbers: [1127] 1127,21 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
[ 40, 5, 95, 27 ]
10
[ "40+95=135", "135/27=5", "5+5=10" ]
Current State: 10:[40, 5, 95, 27], Operations: [] Exploring Operation: 40+95=135, Resulting Numbers: [5, 27, 135] Generated Node #2: [5, 27, 135] from Operation: 40+95=135 Current State: 10:[5, 27, 135], Operations: ['40+95=135'] Exploring Operation: 135/27=5, Resulting Numbers: [5, 5] Generated Node #3: [5, 5] from Operation: 135/27=5 Current State: 10:[5, 5], Operations: ['40+95=135', '135/27=5'] Exploring Operation: 5+5=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
4
Current State: 10:[40, 5, 95, 27], Operations: [] Exploring Operation: 95-40=55, Resulting Numbers: [5, 27, 55] Generated Node #0,0: 10:[5, 27, 55] Operation: 95-40=55 Exploring Operation: 95/5=19, Resulting Numbers: [40, 27, 19] Generated Node #0,1: 10:[40, 27, 19] Operation: 95/5=19 Exploring Operation: 95-27=68, Resulting Numbers: [40, 5, 68] Generated Node #0,2: 10:[40, 5, 68] Operation: 95-27=68 Exploring Operation: 40-27=13, Resulting Numbers: [5, 95, 13] Generated Node #0,3: 10:[5, 95, 13] Operation: 40-27=13 Start Sub Search at level 1: Moving to Node #0,1 Current State: 10:[40, 27, 19], Operations: ['95/5=19'] Exploring Operation: 27-19=8, Resulting Numbers: [40, 8] Generated Node #0,1,0: 10:[40, 8] Operation: 27-19=8 Exploring Operation: 40-27=13, Resulting Numbers: [19, 13] Generated Node #0,1,1: 10:[19, 13] Operation: 40-27=13 Exploring Operation: 40-19=21, Resulting Numbers: [27, 21] Generated Node #0,1,2: 10:[27, 21] Operation: 40-19=21 Exploring Operation: 40+27=67, Resulting Numbers: [19, 67] Generated Node #0,1,3: 10:[19, 67] Operation: 40+27=67 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 10:[19, 13], Operations: ['95/5=19', '40-27=13'] Exploring Operation: 19*13=247, Resulting Numbers: [247] 247,10 unequal: No Solution Exploring Operation: 19-13=6, Resulting Numbers: [6] 6,10 unequal: No Solution Exploring Operation: 19+13=32, Resulting Numbers: [32] 32,10 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 #0,1,2 Current State: 10:[27, 21], Operations: ['95/5=19', '40-19=21'] Exploring Operation: 27+21=48, Resulting Numbers: [48] 48,10 unequal: No Solution Exploring Operation: 27-21=6, Resulting Numbers: [6] 6,10 unequal: No Solution Exploring Operation: 27*21=567, Resulting Numbers: [567] 567,10 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 #0,1,0 Current State: 10:[40, 8], Operations: ['95/5=19', '27-19=8'] Exploring Operation: 40+8=48, Resulting Numbers: [48] 48,10 unequal: No Solution Exploring Operation: 40-8=32, Resulting Numbers: [32] 32,10 unequal: No Solution Exploring Operation: 40*8=320, Resulting Numbers: [320] 320,10 unequal: No Solution Exploring Operation: 40/8=5, Resulting Numbers: [5] 5,10 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 #0,1,3 Current State: 10:[19, 67], Operations: ['95/5=19', '40+27=67'] Exploring Operation: 19*67=1273, Resulting Numbers: [1273] 1273,10 unequal: No Solution Exploring Operation: 19+67=86, Resulting Numbers: [86] 86,10 unequal: No Solution Exploring Operation: 67-19=48, Resulting Numbers: [48] 48,10 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 Start Sub Search at level 1: Moving to Node #0,0 Current State: 10:[5, 27, 55], Operations: ['95-40=55'] Exploring Operation: 55-5=50, Resulting Numbers: [27, 50] Generated Node #0,0,0: 10:[27, 50] Operation: 55-5=50 Exploring Operation: 27-5=22, Resulting Numbers: [55, 22] Generated Node #0,0,1: 10:[55, 22] Operation: 27-5=22 Exploring Operation: 55/5=11, Resulting Numbers: [27, 11] Generated Node #0,0,2: 10:[27, 11] Operation: 55/5=11 Exploring Operation: 55-27=28, Resulting Numbers: [5, 28] Generated Node #0,0,3: 10:[5, 28] Operation: 55-27=28 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 10:[27, 11], Operations: ['95-40=55', '55/5=11'] Exploring Operation: 27+11=38, Resulting Numbers: [38] 38,10 unequal: No Solution Exploring Operation: 27*11=297, Resulting Numbers: [297] 297,10 unequal: No Solution Exploring Operation: 27-11=16, Resulting Numbers: [16] 16,10 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 #0,0,3 Current State: 10:[5, 28], Operations: ['95-40=55', '55-27=28'] Exploring Operation: 5+28=33, Resulting Numbers: [33] 33,10 unequal: No Solution Exploring Operation: 28-5=23, Resulting Numbers: [23] 23,10 unequal: No Solution Exploring Operation: 5*28=140, Resulting Numbers: [140] 140,10 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:[27, 50], Operations: ['95-40=55', '55-5=50'] Exploring Operation: 50-27=23, Resulting Numbers: [23] 23,10 unequal: No Solution Exploring Operation: 27+50=77, Resulting Numbers: [77] 77,10 unequal: No Solution Exploring Operation: 27*50=1350, Resulting Numbers: [1350] 1350,10 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 #0,0,1 Current State: 10:[55, 22], Operations: ['95-40=55', '27-5=22'] Exploring Operation: 55*22=1210, Resulting Numbers: [1210] 1210,10 unequal: No Solution Exploring Operation: 55-22=33, Resulting Numbers: [33] 33,10 unequal: No Solution Exploring Operation: 55+22=77, Resulting Numbers: [77] 77,10 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 Start Sub Search at level 1: Moving to Node #0,2 Current State: 10:[40, 5, 68], Operations: ['95-27=68'] Exploring Operation: 68-5=63, Resulting Numbers: [40, 63] Generated Node #0,2,0: 10:[40, 63] Operation: 68-5=63 Exploring Operation: 40/5=8, Resulting Numbers: [68, 8] Generated Node #0,2,1: 10:[68, 8] Operation: 40/5=8 Exploring Operation: 68-40=28, Resulting Numbers: [5, 28] Generated Node #0,2,2: 10:[5, 28] Operation: 68-40=28 Exploring Operation: 40-5=35, Resulting Numbers: [68, 35] Generated Node #0,2,3: 10:[68, 35] Operation: 40-5=35 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 10:[5, 28], Operations: ['95-27=68', '68-40=28'] Exploring Operation: 28-5=23, Resulting Numbers: [23] 23,10 unequal: No Solution Exploring Operation: 5*28=140, Resulting Numbers: [140] 140,10 unequal: No Solution Exploring Operation: 5+28=33, Resulting Numbers: [33] 33,10 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 #0,2,1 Current State: 10:[68, 8], Operations: ['95-27=68', '40/5=8'] Exploring Operation: 68*8=544, Resulting Numbers: [544] 544,10 unequal: No Solution Exploring Operation: 68+8=76, Resulting Numbers: [76] 76,10 unequal: No Solution Exploring Operation: 68-8=60, Resulting Numbers: [60] 60,10 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 #0,2,0 Current State: 10:[40, 63], Operations: ['95-27=68', '68-5=63'] Exploring Operation: 40+63=103, Resulting Numbers: [103] 103,10 unequal: No Solution Exploring Operation: 40*63=2520, Resulting Numbers: [2520] 2520,10 unequal: No Solution Exploring Operation: 63-40=23, Resulting Numbers: [23] 23,10 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 #0,2,3 Current State: 10:[68, 35], Operations: ['95-27=68', '40-5=35'] Exploring Operation: 68*35=2380, Resulting Numbers: [2380] 2380,10 unequal: No Solution Exploring Operation: 68+35=103, Resulting Numbers: [103] 103,10 unequal: No Solution Exploring Operation: 68-35=33, Resulting Numbers: [33] 33,10 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 Start Sub Search at level 1: Moving to Node #0,3 Current State: 10:[5, 95, 13], Operations: ['40-27=13'] Exploring Operation: 95-5=90, Resulting Numbers: [13, 90] Generated Node #0,3,0: 10:[13, 90] Operation: 95-5=90 Exploring Operation: 13-5=8, Resulting Numbers: [95, 8] Generated Node #0,3,1: 10:[95, 8] Operation: 13-5=8 Exploring Operation: 95-13=82, Resulting Numbers: [5, 82] Generated Node #0,3,2: 10:[5, 82] Operation: 95-13=82 Exploring Operation: 95/5=19, Resulting Numbers: [13, 19] Generated Node #0,3,3: 10:[13, 19] Operation: 95/5=19 Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 10:[13, 19], Operations: ['40-27=13', '95/5=19'] Exploring Operation: 13*19=247, Resulting Numbers: [247] 247,10 unequal: No Solution Exploring Operation: 19-13=6, Resulting Numbers: [6] 6,10 unequal: No Solution Exploring Operation: 13+19=32, Resulting Numbers: [32] 32,10 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 #0,3,2 Current State: 10:[5, 82], Operations: ['40-27=13', '95-13=82'] Exploring Operation: 82-5=77, Resulting Numbers: [77] 77,10 unequal: No Solution Exploring Operation: 5+82=87, Resulting Numbers: [87] 87,10 unequal: No Solution Exploring Operation: 5*82=410, Resulting Numbers: [410] 410,10 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 #0,3,0 Current State: 10:[13, 90], Operations: ['40-27=13', '95-5=90'] Exploring Operation: 13+90=103, Resulting Numbers: [103] 103,10 unequal: No Solution Exploring Operation: 90-13=77, Resulting Numbers: [77] 77,10 unequal: No Solution Exploring Operation: 13*90=1170, Resulting Numbers: [1170] 1170,10 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 #0,3,1 Current State: 10:[95, 8], Operations: ['40-27=13', '13-5=8'] Exploring Operation: 95+8=103, Resulting Numbers: [103] 103,10 unequal: No Solution Exploring Operation: 95*8=760, Resulting Numbers: [760] 760,10 unequal: No Solution Exploring Operation: 95-8=87, Resulting Numbers: [87] 87,10 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_4
sum_heuristic
[ 5, 45, 88, 90 ]
79
[ "90-45=45", "45/5=9", "88-9=79" ]
Current State: 79:[5, 45, 88, 90], Operations: [] Exploring Operation: 90-45=45, Resulting Numbers: [5, 88, 45] Generated Node #2: [5, 88, 45] from Operation: 90-45=45 Current State: 79:[5, 88, 45], Operations: ['90-45=45'] Exploring Operation: 45/5=9, Resulting Numbers: [88, 9] Generated Node #3: [88, 9] from Operation: 45/5=9 Current State: 79:[88, 9], Operations: ['90-45=45', '45/5=9'] Exploring Operation: 88-9=79, Resulting Numbers: [79] 79,79 equal: Goal Reached
4
Current State: 79:[5, 45, 88, 90], Operations: [] Exploring Operation: 5+45=50, Resulting Numbers: [88, 90, 50] Generated Node #0,0: 79:[88, 90, 50] Operation: 5+45=50 Exploring Operation: 90-5=85, Resulting Numbers: [45, 88, 85] Generated Node #0,1: 79:[45, 88, 85] Operation: 90-5=85 Exploring Operation: 88-5=83, Resulting Numbers: [45, 90, 83] Generated Node #0,2: 79:[45, 90, 83] Operation: 88-5=83 Start Sub Search at level 1: Moving to Node #0,0 Current State: 79:[88, 90, 50], Operations: ['5+45=50'] Exploring Operation: 90-50=40, Resulting Numbers: [88, 40] Generated Node #0,0,0: 79:[88, 40] Operation: 90-50=40 Exploring Operation: 88+50=138, Resulting Numbers: [90, 138] Generated Node #0,0,1: 79:[90, 138] Operation: 88+50=138 Exploring Operation: 88-50=38, Resulting Numbers: [90, 38] Generated Node #0,0,2: 79:[90, 38] Operation: 88-50=38 Moving to Node #0,0,0 Current State: 79:[88, 40], Operations: ['5+45=50', '90-50=40'] Exploring Operation: 88*40=3520, Resulting Numbers: [3520] 3520,79 unequal: No Solution Exploring Operation: 88+40=128, Resulting Numbers: [128] 128,79 unequal: No Solution Exploring Operation: 88-40=48, Resulting Numbers: [48] 48,79 unequal: No Solution Moving to Node #0,0,2 Current State: 79:[90, 38], Operations: ['5+45=50', '88-50=38'] Exploring Operation: 90*38=3420, Resulting Numbers: [3420] 3420,79 unequal: No Solution Exploring Operation: 90-38=52, Resulting Numbers: [52] 52,79 unequal: No Solution Exploring Operation: 90+38=128, Resulting Numbers: [128] 128,79 unequal: No Solution Moving to Node #0,0,1 Current State: 79:[90, 138], Operations: ['5+45=50', '88+50=138'] Exploring Operation: 90+138=228, Resulting Numbers: [228] 228,79 unequal: No Solution Exploring Operation: 138-90=48, Resulting Numbers: [48] 48,79 unequal: No Solution Exploring Operation: 90*138=12420, Resulting Numbers: [12420] 12420,79 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 Current State: 79:[45, 88, 85], Operations: ['90-5=85'] Exploring Operation: 88-45=43, Resulting Numbers: [85, 43] Generated Node #0,1,0: 79:[85, 43] Operation: 88-45=43 Exploring Operation: 45+88=133, Resulting Numbers: [85, 133] Generated Node #0,1,1: 79:[85, 133] Operation: 45+88=133 Exploring Operation: 85-45=40, Resulting Numbers: [88, 40] Generated Node #0,1,2: 79:[88, 40] Operation: 85-45=40 Moving to Node #0,1,0 Current State: 79:[85, 43], Operations: ['90-5=85', '88-45=43'] Exploring Operation: 85*43=3655, Resulting Numbers: [3655] 3655,79 unequal: No Solution Exploring Operation: 85-43=42, Resulting Numbers: [42] 42,79 unequal: No Solution Exploring Operation: 85+43=128, Resulting Numbers: [128] 128,79 unequal: No Solution Moving to Node #0,1,2 Current State: 79:[88, 40], Operations: ['90-5=85', '85-45=40'] Exploring Operation: 88*40=3520, Resulting Numbers: [3520] 3520,79 unequal: No Solution Exploring Operation: 88-40=48, Resulting Numbers: [48] 48,79 unequal: No Solution Exploring Operation: 88+40=128, Resulting Numbers: [128] 128,79 unequal: No Solution Moving to Node #0,1,1 Current State: 79:[85, 133], Operations: ['90-5=85', '45+88=133'] Exploring Operation: 133-85=48, Resulting Numbers: [48] 48,79 unequal: No Solution Exploring Operation: 85+133=218, Resulting Numbers: [218] 218,79 unequal: No Solution Exploring Operation: 85*133=11305, Resulting Numbers: [11305] 11305,79 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 #0,2 Current State: 79:[45, 90, 83], Operations: ['88-5=83'] Exploring Operation: 45+90=135, Resulting Numbers: [83, 135] Generated Node #0,2,0: 79:[83, 135] Operation: 45+90=135 Exploring Operation: 90-45=45, Resulting Numbers: [83, 45] Generated Node #0,2,1: 79:[83, 45] Operation: 90-45=45 Exploring Operation: 83-45=38, Resulting Numbers: [90, 38] Generated Node #0,2,2: 79:[90, 38] Operation: 83-45=38 Moving to Node #0,2,1 Current State: 79:[83, 45], Operations: ['88-5=83', '90-45=45'] Exploring Operation: 83+45=128, Resulting Numbers: [128] 128,79 unequal: No Solution Exploring Operation: 83-45=38, Resulting Numbers: [38] 38,79 unequal: No Solution Exploring Operation: 83*45=3735, Resulting Numbers: [3735] 3735,79 unequal: No Solution Moving to Node #0,2,2 Current State: 79:[90, 38], Operations: ['88-5=83', '83-45=38'] Exploring Operation: 90*38=3420, Resulting Numbers: [3420] 3420,79 unequal: No Solution Exploring Operation: 90+38=128, Resulting Numbers: [128] 128,79 unequal: No Solution Exploring Operation: 90-38=52, Resulting Numbers: [52] 52,79 unequal: No Solution Moving to Node #0,2,0 Current State: 79:[83, 135], Operations: ['88-5=83', '45+90=135'] Exploring Operation: 83*135=11205, Resulting Numbers: [11205] 11205,79 unequal: No Solution Exploring Operation: 135-83=52, Resulting Numbers: [52] 52,79 unequal: No Solution Exploring Operation: 83+135=218, Resulting Numbers: [218] 218,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 43, 17, 67, 42 ]
35
[ "43+17=60", "67-42=25", "60-25=35" ]
Current State: 35:[43, 17, 67, 42], Operations: [] Exploring Operation: 43+17=60, Resulting Numbers: [67, 42, 60] Generated Node #2: [67, 42, 60] from Operation: 43+17=60 Current State: 35:[67, 42, 60], Operations: ['43+17=60'] Exploring Operation: 67-42=25, Resulting Numbers: [60, 25] Generated Node #3: [60, 25] from Operation: 67-42=25 Current State: 35:[60, 25], Operations: ['43+17=60', '67-42=25'] Exploring Operation: 60-25=35, Resulting Numbers: [35] 35,35 equal: Goal Reached
4
Current State: 35:[43, 17, 67, 42], Operations: [] Exploring Operation: 67-43=24, Resulting Numbers: [17, 42, 24] Generated Node #0,0: 35:[17, 42, 24] Operation: 67-43=24 Exploring Operation: 67-17=50, Resulting Numbers: [43, 42, 50] Generated Node #0,1: 35:[43, 42, 50] Operation: 67-17=50 Exploring Operation: 67-42=25, Resulting Numbers: [43, 17, 25] Generated Node #0,2: 35:[43, 17, 25] Operation: 67-42=25 Exploring Operation: 43-42=1, Resulting Numbers: [17, 67, 1] Generated Node #0,3: 35:[17, 67, 1] Operation: 43-42=1 Exploring Operation: 43-17=26, Resulting Numbers: [67, 42, 26] Generated Node #0,4: 35:[67, 42, 26] Operation: 43-17=26 Start Sub Search at level 1: Moving to Node #0,0 Current State: 35:[17, 42, 24], Operations: ['67-43=24'] Exploring Operation: 42-24=18, Resulting Numbers: [17, 18] Generated Node #0,0,0: 35:[17, 18] Operation: 42-24=18 Exploring Operation: 17+24=41, Resulting Numbers: [42, 41] Generated Node #0,0,1: 35:[42, 41] Operation: 17+24=41 Exploring Operation: 42-17=25, Resulting Numbers: [24, 25] Generated Node #0,0,2: 35:[24, 25] Operation: 42-17=25 Exploring Operation: 24-17=7, Resulting Numbers: [42, 7] Generated Node #0,0,3: 35:[42, 7] Operation: 24-17=7 Exploring Operation: 17+42=59, Resulting Numbers: [24, 59] Generated Node #0,0,4: 35:[24, 59] Operation: 17+42=59 Moving to Node #0,0,3 Current State: 35:[42, 7], Operations: ['67-43=24', '24-17=7'] Exploring Operation: 42/7=6, Resulting Numbers: [6] 6,35 unequal: No Solution Exploring Operation: 42*7=294, Resulting Numbers: [294] 294,35 unequal: No Solution Exploring Operation: 42+7=49, Resulting Numbers: [49] 49,35 unequal: No Solution Exploring Operation: 42-7=35, Resulting Numbers: [35] 35,35 equal: Goal Reached Moving to Node #0 Current State: 35:[43, 17, 67, 42], Operations: [] Exploring Operation: 67-43=24, Resulting Numbers: [17, 42, 24] Generated Node #0,0: 35:[17, 42, 24] Operation: 67-43=24 Moving to Node #0,0 Current State: 35:[17, 42, 24], Operations: ['67-43=24'] Exploring Operation: 24-17=7, Resulting Numbers: [42, 7] Generated Node #0,0,3: 35:[42, 7] Operation: 24-17=7 Moving to Node #0,0,3 Current State: 35:[42, 7], Operations: ['67-43=24', '24-17=7'] Exploring Operation: 42-7=35, Resulting Numbers: [35] 35,35 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_5
sum_heuristic
[ 41, 85, 11, 24 ]
49
[ "41*24=984", "85*11=935", "984-935=49" ]
Current State: 49:[41, 85, 11, 24], Operations: [] Exploring Operation: 41*24=984, Resulting Numbers: [85, 11, 984] Generated Node #2: [85, 11, 984] from Operation: 41*24=984 Current State: 49:[85, 11, 984], Operations: ['41*24=984'] Exploring Operation: 85*11=935, Resulting Numbers: [984, 935] Generated Node #3: [984, 935] from Operation: 85*11=935 Current State: 49:[984, 935], Operations: ['41*24=984', '85*11=935'] Exploring Operation: 984-935=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
4
Current State: 49:[41, 85, 11, 24], Operations: [] Exploring Operation: 85-24=61, Resulting Numbers: [41, 11, 61] Generated Node #0,0: 49:[41, 11, 61] Operation: 85-24=61 Moving to Node #0,0 Current State: 49:[41, 11, 61], Operations: ['85-24=61'] Exploring Operation: 61-11=50, Resulting Numbers: [41, 50] Generated Node #0,0,0: 49:[41, 50] Operation: 61-11=50 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 49:[41, 50], Operations: ['85-24=61', '61-11=50'] Exploring Operation: 50-41=9, Resulting Numbers: [9] 9,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 41, 7, 87, 85 ]
36
[ "41-7=34", "87-85=2", "34+2=36" ]
Current State: 36:[41, 7, 87, 85], Operations: [] Exploring Operation: 41-7=34, Resulting Numbers: [87, 85, 34] Generated Node #2: [87, 85, 34] from Operation: 41-7=34 Current State: 36:[87, 85, 34], Operations: ['41-7=34'] Exploring Operation: 87-85=2, Resulting Numbers: [34, 2] Generated Node #3: [34, 2] from Operation: 87-85=2 Current State: 36:[34, 2], Operations: ['41-7=34', '87-85=2'] Exploring Operation: 34+2=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
4
Current State: 36:[41, 7, 87, 85], Operations: [] Exploring Operation: 87-85=2, Resulting Numbers: [41, 7, 2] Generated Node #0,0: 36:[41, 7, 2] Operation: 87-85=2 Start Sub Search at level 1: Moving to Node #0,0 Current State: 36:[41, 7, 2], Operations: ['87-85=2'] Exploring Operation: 41-7=34, Resulting Numbers: [2, 34] Generated Node #0,0,0: 36:[2, 34] Operation: 41-7=34 Moving to Node #0,0,0 Current State: 36:[2, 34], Operations: ['87-85=2', '41-7=34'] Exploring Operation: 2+34=36, Resulting Numbers: [36] 36,36 equal: Goal Reached Moving to Node #0 Current State: 36:[41, 7, 87, 85], Operations: [] Exploring Operation: 87-85=2, Resulting Numbers: [41, 7, 2] Generated Node #0,0: 36:[41, 7, 2] Operation: 87-85=2 Moving to Node #0,0 Current State: 36:[41, 7, 2], Operations: ['87-85=2'] Exploring Operation: 41-7=34, Resulting Numbers: [2, 34] Generated Node #0,0,0: 36:[2, 34] Operation: 41-7=34 Moving to Node #0,0,0 Current State: 36:[2, 34], Operations: ['87-85=2', '41-7=34'] Exploring Operation: 2+34=36, Resulting Numbers: [36] 36,36 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 32, 4, 88, 93 ]
23
[ "32-4=28", "93-88=5", "28-5=23" ]
Current State: 23:[32, 4, 88, 93], Operations: [] Exploring Operation: 32-4=28, Resulting Numbers: [88, 93, 28] Generated Node #2: [88, 93, 28] from Operation: 32-4=28 Current State: 23:[88, 93, 28], Operations: ['32-4=28'] Exploring Operation: 93-88=5, Resulting Numbers: [28, 5] Generated Node #3: [28, 5] from Operation: 93-88=5 Current State: 23:[28, 5], Operations: ['32-4=28', '93-88=5'] Exploring Operation: 28-5=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
4
Current State: 23:[32, 4, 88, 93], Operations: [] Exploring Operation: 88/4=22, Resulting Numbers: [32, 93, 22] Generated Node #0,0: 23:[32, 93, 22] Operation: 88/4=22 Exploring Operation: 93-88=5, Resulting Numbers: [32, 4, 5] Generated Node #0,1: 23:[32, 4, 5] Operation: 93-88=5 Exploring Operation: 88-32=56, Resulting Numbers: [4, 93, 56] Generated Node #0,2: 23:[4, 93, 56] Operation: 88-32=56 Moving to Node #0,1 Current State: 23:[32, 4, 5], Operations: ['93-88=5'] Exploring Operation: 32-5=27, Resulting Numbers: [4, 27] Generated Node #0,1,0: 23:[4, 27] Operation: 32-5=27 Exploring Operation: 4*5=20, Resulting Numbers: [32, 20] Generated Node #0,1,1: 23:[32, 20] Operation: 4*5=20 Exploring Operation: 32-4=28, Resulting Numbers: [5, 28] Generated Node #0,1,2: 23:[5, 28] Operation: 32-4=28 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 23:[32, 20], Operations: ['93-88=5', '4*5=20'] Exploring Operation: 32+20=52, Resulting Numbers: [52] 52,23 unequal: No Solution Exploring Operation: 32-20=12, Resulting Numbers: [12] 12,23 unequal: No Solution Exploring Operation: 32*20=640, Resulting Numbers: [640] 640,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 23:[4, 27], Operations: ['93-88=5', '32-5=27'] Exploring Operation: 4+27=31, Resulting Numbers: [31] 31,23 unequal: No Solution Exploring Operation: 4*27=108, Resulting Numbers: [108] 108,23 unequal: No Solution Exploring Operation: 27-4=23, Resulting Numbers: [23] 23,23 equal: Goal Reached Moving to Node #0 Current State: 23:[32, 4, 88, 93], Operations: [] Exploring Operation: 93-88=5, Resulting Numbers: [32, 4, 5] Generated Node #0,1: 23:[32, 4, 5] Operation: 93-88=5 Moving to Node #0,1 Current State: 23:[32, 4, 5], Operations: ['93-88=5'] Exploring Operation: 32-5=27, Resulting Numbers: [4, 27] Generated Node #0,1,0: 23:[4, 27] Operation: 32-5=27 Moving to Node #0,1,0 Current State: 23:[4, 27], Operations: ['93-88=5', '32-5=27'] Exploring Operation: 27-4=23, Resulting Numbers: [23] 23,23 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_3
sum_heuristic
[ 92, 18, 57, 3 ]
14
[ "92-18=74", "57+3=60", "74-60=14" ]
Current State: 14:[92, 18, 57, 3], Operations: [] Exploring Operation: 92-18=74, Resulting Numbers: [57, 3, 74] Generated Node #2: [57, 3, 74] from Operation: 92-18=74 Current State: 14:[57, 3, 74], Operations: ['92-18=74'] Exploring Operation: 57+3=60, Resulting Numbers: [74, 60] Generated Node #3: [74, 60] from Operation: 57+3=60 Current State: 14:[74, 60], Operations: ['92-18=74', '57+3=60'] Exploring Operation: 74-60=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
4
Current State: 14:[92, 18, 57, 3], Operations: [] Exploring Operation: 57-18=39, Resulting Numbers: [92, 3, 39] Generated Node #0,0: 14:[92, 3, 39] Operation: 57-18=39 Exploring Operation: 57/3=19, Resulting Numbers: [92, 18, 19] Generated Node #0,1: 14:[92, 18, 19] Operation: 57/3=19 Exploring Operation: 92-18=74, Resulting Numbers: [57, 3, 74] Generated Node #0,2: 14:[57, 3, 74] Operation: 92-18=74 Exploring Operation: 92-57=35, Resulting Numbers: [18, 3, 35] Generated Node #0,3: 14:[18, 3, 35] Operation: 92-57=35 Start Sub Search at level 1: Moving to Node #0,3 Current State: 14:[18, 3, 35], Operations: ['92-57=35'] Exploring Operation: 18-3=15, Resulting Numbers: [35, 15] Generated Node #0,3,0: 14:[35, 15] Operation: 18-3=15 Exploring Operation: 35-18=17, Resulting Numbers: [3, 17] Generated Node #0,3,1: 14:[3, 17] Operation: 35-18=17 Exploring Operation: 35-3=32, Resulting Numbers: [18, 32] Generated Node #0,3,2: 14:[18, 32] Operation: 35-3=32 Exploring Operation: 18/3=6, Resulting Numbers: [35, 6] Generated Node #0,3,3: 14:[35, 6] Operation: 18/3=6 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 14:[3, 17], Operations: ['92-57=35', '35-18=17'] Exploring Operation: 3*17=51, Resulting Numbers: [51] 51,14 unequal: No Solution Exploring Operation: 3+17=20, Resulting Numbers: [20] 20,14 unequal: No Solution Exploring Operation: 17-3=14, Resulting Numbers: [14] 14,14 equal: Goal Reached Moving to Node #0 Current State: 14:[92, 18, 57, 3], Operations: [] Exploring Operation: 92-57=35, Resulting Numbers: [18, 3, 35] Generated Node #0,3: 14:[18, 3, 35] Operation: 92-57=35 Moving to Node #0,3 Current State: 14:[18, 3, 35], Operations: ['92-57=35'] Exploring Operation: 35-18=17, Resulting Numbers: [3, 17] Generated Node #0,3,1: 14:[3, 17] Operation: 35-18=17 Moving to Node #0,3,1 Current State: 14:[3, 17], Operations: ['92-57=35', '35-18=17'] Exploring Operation: 17-3=14, Resulting Numbers: [14] 14,14 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986979
hs_4
mult_heuristic
[ 14, 2, 21, 11 ]
78
[ "21+11=32", "2*32=64", "14+64=78" ]
Current State: 78:[14, 2, 21, 11], Operations: [] Exploring Operation: 21+11=32, Resulting Numbers: [14, 2, 32] Generated Node #2: [14, 2, 32] from Operation: 21+11=32 Current State: 78:[14, 2, 32], Operations: ['21+11=32'] Exploring Operation: 2*32=64, Resulting Numbers: [14, 64] Generated Node #3: [14, 64] from Operation: 2*32=64 Current State: 78:[14, 64], Operations: ['21+11=32', '2*32=64'] Exploring Operation: 14+64=78, Resulting Numbers: [78] 78,78 equal: Goal Reached
4
Current State: 78:[14, 2, 21, 11], Operations: [] Exploring Operation: 21-14=7, Resulting Numbers: [2, 11, 7] Generated Node #0,0: 78:[2, 11, 7] Operation: 21-14=7 Start Sub Search at level 1: Moving to Node #0,0 Current State: 78:[2, 11, 7], Operations: ['21-14=7'] Exploring Operation: 2+11=13, Resulting Numbers: [7, 13] Generated Node #0,0,0: 78:[7, 13] Operation: 2+11=13 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 78:[7, 13], Operations: ['21-14=7', '2+11=13'] Exploring Operation: 13-7=6, Resulting Numbers: [6] 6,78 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 63, 69, 72, 56 ]
77
[ "72-69=3", "63/3=21", "56+21=77" ]
Current State: 77:[63, 69, 72, 56], Operations: [] Exploring Operation: 72-69=3, Resulting Numbers: [63, 56, 3] Generated Node #2: [63, 56, 3] from Operation: 72-69=3 Current State: 77:[63, 56, 3], Operations: ['72-69=3'] Exploring Operation: 63/3=21, Resulting Numbers: [56, 21] Generated Node #3: [56, 21] from Operation: 63/3=21 Current State: 77:[56, 21], Operations: ['72-69=3', '63/3=21'] Exploring Operation: 56+21=77, Resulting Numbers: [77] 77,77 equal: Goal Reached
4
Current State: 77:[63, 69, 72, 56], Operations: [] Exploring Operation: 63-56=7, Resulting Numbers: [69, 72, 7] Generated Node #0,0: 77:[69, 72, 7] Operation: 63-56=7 Exploring Operation: 69-63=6, Resulting Numbers: [72, 56, 6] Generated Node #0,1: 77:[72, 56, 6] Operation: 69-63=6 Exploring Operation: 72-56=16, Resulting Numbers: [63, 69, 16] Generated Node #0,2: 77:[63, 69, 16] Operation: 72-56=16 Exploring Operation: 69-56=13, Resulting Numbers: [63, 72, 13] Generated Node #0,3: 77:[63, 72, 13] Operation: 69-56=13 Moving to Node #0,0 Current State: 77:[69, 72, 7], Operations: ['63-56=7'] Exploring Operation: 69-7=62, Resulting Numbers: [72, 62] Generated Node #0,0,0: 77:[72, 62] Operation: 69-7=62 Exploring Operation: 69+7=76, Resulting Numbers: [72, 76] Generated Node #0,0,1: 77:[72, 76] Operation: 69+7=76 Exploring Operation: 72-69=3, Resulting Numbers: [7, 3] Generated Node #0,0,2: 77:[7, 3] Operation: 72-69=3 Exploring Operation: 72+7=79, Resulting Numbers: [69, 79] Generated Node #0,0,3: 77:[69, 79] Operation: 72+7=79 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 77:[7, 3], Operations: ['63-56=7', '72-69=3'] Exploring Operation: 7+3=10, Resulting Numbers: [10] 10,77 unequal: No Solution Exploring Operation: 7*3=21, Resulting Numbers: [21] 21,77 unequal: No Solution Exploring Operation: 7-3=4, Resulting Numbers: [4] 4,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 77:[72, 76], Operations: ['63-56=7', '69+7=76'] Exploring Operation: 72*76=5472, Resulting Numbers: [5472] 5472,77 unequal: No Solution Exploring Operation: 72+76=148, Resulting Numbers: [148] 148,77 unequal: No Solution Exploring Operation: 76-72=4, Resulting Numbers: [4] 4,77 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 #0,0,3 Current State: 77:[69, 79], Operations: ['63-56=7', '72+7=79'] Exploring Operation: 69*79=5451, Resulting Numbers: [5451] 5451,77 unequal: No Solution Exploring Operation: 69+79=148, Resulting Numbers: [148] 148,77 unequal: No Solution Exploring Operation: 79-69=10, Resulting Numbers: [10] 10,77 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 #0,0,0 Current State: 77:[72, 62], Operations: ['63-56=7', '69-7=62'] Exploring Operation: 72*62=4464, Resulting Numbers: [4464] 4464,77 unequal: No Solution Exploring Operation: 72-62=10, Resulting Numbers: [10] 10,77 unequal: No Solution Exploring Operation: 72+62=134, Resulting Numbers: [134] 134,77 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: 77:[63, 72, 13], Operations: ['69-56=13'] Exploring Operation: 72-63=9, Resulting Numbers: [13, 9] Generated Node #0,3,0: 77:[13, 9] Operation: 72-63=9 Exploring Operation: 63-13=50, Resulting Numbers: [72, 50] Generated Node #0,3,1: 77:[72, 50] Operation: 63-13=50 Exploring Operation: 72+13=85, Resulting Numbers: [63, 85] Generated Node #0,3,2: 77:[63, 85] Operation: 72+13=85 Exploring Operation: 63+13=76, Resulting Numbers: [72, 76] Generated Node #0,3,3: 77:[72, 76] Operation: 63+13=76 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 77:[13, 9], Operations: ['69-56=13', '72-63=9'] Exploring Operation: 13-9=4, Resulting Numbers: [4] 4,77 unequal: No Solution Exploring Operation: 13*9=117, Resulting Numbers: [117] 117,77 unequal: No Solution Exploring Operation: 13+9=22, Resulting Numbers: [22] 22,77 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 #0,3,3 Current State: 77:[72, 76], Operations: ['69-56=13', '63+13=76'] Exploring Operation: 76-72=4, Resulting Numbers: [4] 4,77 unequal: No Solution Exploring Operation: 72+76=148, Resulting Numbers: [148] 148,77 unequal: No Solution Exploring Operation: 72*76=5472, Resulting Numbers: [5472] 5472,77 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 #0,3,2 Current State: 77:[63, 85], Operations: ['69-56=13', '72+13=85'] Exploring Operation: 85-63=22, Resulting Numbers: [22] 22,77 unequal: No Solution Exploring Operation: 63*85=5355, Resulting Numbers: [5355] 5355,77 unequal: No Solution Exploring Operation: 63+85=148, Resulting Numbers: [148] 148,77 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 #0,3,1 Current State: 77:[72, 50], Operations: ['69-56=13', '63-13=50'] Exploring Operation: 72+50=122, Resulting Numbers: [122] 122,77 unequal: No Solution Exploring Operation: 72*50=3600, Resulting Numbers: [3600] 3600,77 unequal: No Solution Exploring Operation: 72-50=22, Resulting Numbers: [22] 22,77 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: 77:[63, 69, 16], Operations: ['72-56=16'] Exploring Operation: 69+16=85, Resulting Numbers: [63, 85] Generated Node #0,2,0: 77:[63, 85] Operation: 69+16=85 Exploring Operation: 69-63=6, Resulting Numbers: [16, 6] Generated Node #0,2,1: 77:[16, 6] Operation: 69-63=6 Exploring Operation: 63-16=47, Resulting Numbers: [69, 47] Generated Node #0,2,2: 77:[69, 47] Operation: 63-16=47 Exploring Operation: 63+16=79, Resulting Numbers: [69, 79] Generated Node #0,2,3: 77:[69, 79] Operation: 63+16=79 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 77:[16, 6], Operations: ['72-56=16', '69-63=6'] Exploring Operation: 16+6=22, Resulting Numbers: [22] 22,77 unequal: No Solution Exploring Operation: 16-6=10, Resulting Numbers: [10] 10,77 unequal: No Solution Exploring Operation: 16*6=96, Resulting Numbers: [96] 96,77 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 #0,2,3 Current State: 77:[69, 79], Operations: ['72-56=16', '63+16=79'] Exploring Operation: 69+79=148, Resulting Numbers: [148] 148,77 unequal: No Solution Exploring Operation: 69*79=5451, Resulting Numbers: [5451] 5451,77 unequal: No Solution Exploring Operation: 79-69=10, Resulting Numbers: [10] 10,77 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 #0,2,0 Current State: 77:[63, 85], Operations: ['72-56=16', '69+16=85'] Exploring Operation: 63*85=5355, Resulting Numbers: [5355] 5355,77 unequal: No Solution Exploring Operation: 63+85=148, Resulting Numbers: [148] 148,77 unequal: No Solution Exploring Operation: 85-63=22, Resulting Numbers: [22] 22,77 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 #0,2,2 Current State: 77:[69, 47], Operations: ['72-56=16', '63-16=47'] Exploring Operation: 69-47=22, Resulting Numbers: [22] 22,77 unequal: No Solution Exploring Operation: 69+47=116, Resulting Numbers: [116] 116,77 unequal: No Solution Exploring Operation: 69*47=3243, Resulting Numbers: [3243] 3243,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 77:[72, 56, 6], Operations: ['69-63=6'] Exploring Operation: 72+6=78, Resulting Numbers: [56, 78] Generated Node #0,1,0: 77:[56, 78] Operation: 72+6=78 Exploring Operation: 56+6=62, Resulting Numbers: [72, 62] Generated Node #0,1,1: 77:[72, 62] Operation: 56+6=62 Exploring Operation: 72-56=16, Resulting Numbers: [6, 16] Generated Node #0,1,2: 77:[6, 16] Operation: 72-56=16 Exploring Operation: 72/6=12, Resulting Numbers: [56, 12] Generated Node #0,1,3: 77:[56, 12] Operation: 72/6=12 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 77:[6, 16], Operations: ['69-63=6', '72-56=16'] Exploring Operation: 6*16=96, Resulting Numbers: [96] 96,77 unequal: No Solution Exploring Operation: 6+16=22, Resulting Numbers: [22] 22,77 unequal: No Solution Exploring Operation: 16-6=10, Resulting Numbers: [10] 10,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 77:[72, 62], Operations: ['69-63=6', '56+6=62'] Exploring Operation: 72-62=10, Resulting Numbers: [10] 10,77 unequal: No Solution Exploring Operation: 72+62=134, Resulting Numbers: [134] 134,77 unequal: No Solution Exploring Operation: 72*62=4464, Resulting Numbers: [4464] 4464,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 77:[56, 78], Operations: ['69-63=6', '72+6=78'] Exploring Operation: 56+78=134, Resulting Numbers: [134] 134,77 unequal: No Solution Exploring Operation: 78-56=22, Resulting Numbers: [22] 22,77 unequal: No Solution Exploring Operation: 56*78=4368, Resulting Numbers: [4368] 4368,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 77:[56, 12], Operations: ['69-63=6', '72/6=12'] Exploring Operation: 56-12=44, Resulting Numbers: [44] 44,77 unequal: No Solution Exploring Operation: 56*12=672, Resulting Numbers: [672] 672,77 unequal: No Solution Exploring Operation: 56+12=68, Resulting Numbers: [68] 68,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
mult_heuristic
[ 3, 45, 98, 99 ]
20
[ "99/3=33", "98-45=53", "53-33=20" ]
Current State: 20:[3, 45, 98, 99], Operations: [] Exploring Operation: 99/3=33, Resulting Numbers: [45, 98, 33] Generated Node #2: [45, 98, 33] from Operation: 99/3=33 Current State: 20:[45, 98, 33], Operations: ['99/3=33'] Exploring Operation: 98-45=53, Resulting Numbers: [33, 53] Generated Node #3: [33, 53] from Operation: 98-45=53 Current State: 20:[33, 53], Operations: ['99/3=33', '98-45=53'] Exploring Operation: 53-33=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[3, 45, 98, 99], Operations: [] Exploring Operation: 98-45=53, Resulting Numbers: [3, 99, 53] Generated Node #0,0: 20:[3, 99, 53] Operation: 98-45=53 Exploring Operation: 99-98=1, Resulting Numbers: [3, 45, 1] Generated Node #0,1: 20:[3, 45, 1] Operation: 99-98=1 Moving to Node #0,1 Current State: 20:[3, 45, 1], Operations: ['99-98=1'] Exploring Operation: 45/3=15, Resulting Numbers: [1, 15] Generated Node #0,1,0: 20:[1, 15] Operation: 45/3=15 Exploring Operation: 45-3=42, Resulting Numbers: [1, 42] Generated Node #0,1,1: 20:[1, 42] Operation: 45-3=42 Moving to Node #0,0 Current State: 20:[3, 99, 53], Operations: ['98-45=53'] Exploring Operation: 99-53=46, Resulting Numbers: [3, 46] Generated Node #0,0,0: 20:[3, 46] Operation: 99-53=46 Exploring Operation: 99/3=33, Resulting Numbers: [53, 33] Generated Node #0,0,1: 20:[53, 33] Operation: 99/3=33 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 20:[3, 46], Operations: ['98-45=53', '99-53=46'] Exploring Operation: 3+46=49, Resulting Numbers: [49] 49,20 unequal: No Solution Exploring Operation: 46-3=43, Resulting Numbers: [43] 43,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 20:[53, 33], Operations: ['98-45=53', '99/3=33'] Exploring Operation: 53+33=86, Resulting Numbers: [86] 86,20 unequal: No Solution Exploring Operation: 53-33=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Moving to Node #0 Current State: 20:[3, 45, 98, 99], Operations: [] Exploring Operation: 98-45=53, Resulting Numbers: [3, 99, 53] Generated Node #0,0: 20:[3, 99, 53] Operation: 98-45=53 Moving to Node #0,0 Current State: 20:[3, 99, 53], Operations: ['98-45=53'] Exploring Operation: 99/3=33, Resulting Numbers: [53, 33] Generated Node #0,0,1: 20:[53, 33] Operation: 99/3=33 Moving to Node #0,0,1 Current State: 20:[53, 33], Operations: ['98-45=53', '99/3=33'] Exploring Operation: 53-33=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_2
sum_heuristic
[ 97, 87, 64, 42 ]
12
[ "97-87=10", "64-42=22", "22-10=12" ]
Current State: 12:[97, 87, 64, 42], Operations: [] Exploring Operation: 97-87=10, Resulting Numbers: [64, 42, 10] Generated Node #2: [64, 42, 10] from Operation: 97-87=10 Current State: 12:[64, 42, 10], Operations: ['97-87=10'] Exploring Operation: 64-42=22, Resulting Numbers: [10, 22] Generated Node #3: [10, 22] from Operation: 64-42=22 Current State: 12:[10, 22], Operations: ['97-87=10', '64-42=22'] Exploring Operation: 22-10=12, Resulting Numbers: [12] 12,12 equal: Goal Reached
4
Current State: 12:[97, 87, 64, 42], Operations: [] Exploring Operation: 97-87=10, Resulting Numbers: [64, 42, 10] Generated Node #0,0: 12:[64, 42, 10] Operation: 97-87=10 Exploring Operation: 97-64=33, Resulting Numbers: [87, 42, 33] Generated Node #0,1: 12:[87, 42, 33] Operation: 97-64=33 Exploring Operation: 87-64=23, Resulting Numbers: [97, 42, 23] Generated Node #0,2: 12:[97, 42, 23] Operation: 87-64=23 Start Sub Search at level 1: Moving to Node #0,0 Current State: 12:[64, 42, 10], Operations: ['97-87=10'] Exploring Operation: 42-10=32, Resulting Numbers: [64, 32] Generated Node #0,0,0: 12:[64, 32] Operation: 42-10=32 Exploring Operation: 64-10=54, Resulting Numbers: [42, 54] Generated Node #0,0,1: 12:[42, 54] Operation: 64-10=54 Exploring Operation: 64-42=22, Resulting Numbers: [10, 22] Generated Node #0,0,2: 12:[10, 22] Operation: 64-42=22 Moving to Node #0,0,2 Current State: 12:[10, 22], Operations: ['97-87=10', '64-42=22'] Exploring Operation: 10+22=32, Resulting Numbers: [32] 32,12 unequal: No Solution Exploring Operation: 22-10=12, Resulting Numbers: [12] 12,12 equal: Goal Reached Moving to Node #0 Current State: 12:[97, 87, 64, 42], Operations: [] Exploring Operation: 97-87=10, Resulting Numbers: [64, 42, 10] Generated Node #0,0: 12:[64, 42, 10] Operation: 97-87=10 Moving to Node #0,0 Current State: 12:[64, 42, 10], Operations: ['97-87=10'] Exploring Operation: 64-42=22, Resulting Numbers: [10, 22] Generated Node #0,0,2: 12:[10, 22] Operation: 64-42=22 Moving to Node #0,0,2 Current State: 12:[10, 22], Operations: ['97-87=10', '64-42=22'] Exploring Operation: 22-10=12, Resulting Numbers: [12] 12,12 equal: Goal Reached Exit Sub Search at level 1
0.989583
hs_3
sum_heuristic
[ 53, 30, 64, 42 ]
60
[ "64+42=106", "106/53=2", "30*2=60" ]
Current State: 60:[53, 30, 64, 42], Operations: [] Exploring Operation: 64+42=106, Resulting Numbers: [53, 30, 106] Generated Node #2: [53, 30, 106] from Operation: 64+42=106 Current State: 60:[53, 30, 106], Operations: ['64+42=106'] Exploring Operation: 106/53=2, Resulting Numbers: [30, 2] Generated Node #3: [30, 2] from Operation: 106/53=2 Current State: 60:[30, 2], Operations: ['64+42=106', '106/53=2'] Exploring Operation: 30*2=60, Resulting Numbers: [60] 60,60 equal: Goal Reached
4
Current State: 60:[53, 30, 64, 42], Operations: [] Exploring Operation: 53-42=11, Resulting Numbers: [30, 64, 11] Generated Node #0,0: 60:[30, 64, 11] Operation: 53-42=11 Exploring Operation: 64-42=22, Resulting Numbers: [53, 30, 22] Generated Node #0,1: 60:[53, 30, 22] Operation: 64-42=22 Exploring Operation: 64-53=11, Resulting Numbers: [30, 42, 11] Generated Node #0,2: 60:[30, 42, 11] Operation: 64-53=11 Exploring Operation: 42-30=12, Resulting Numbers: [53, 64, 12] Generated Node #0,3: 60:[53, 64, 12] Operation: 42-30=12 Moving to Node #0,0 Current State: 60:[30, 64, 11], Operations: ['53-42=11'] Exploring Operation: 30+11=41, Resulting Numbers: [64, 41] Generated Node #0,0,0: 60:[64, 41] Operation: 30+11=41 Exploring Operation: 64-11=53, Resulting Numbers: [30, 53] Generated Node #0,0,1: 60:[30, 53] Operation: 64-11=53 Exploring Operation: 30-11=19, Resulting Numbers: [64, 19] Generated Node #0,0,2: 60:[64, 19] Operation: 30-11=19 Exploring Operation: 64-30=34, Resulting Numbers: [11, 34] Generated Node #0,0,3: 60:[11, 34] Operation: 64-30=34 Moving to Node #0,1 Current State: 60:[53, 30, 22], Operations: ['64-42=22'] Exploring Operation: 30-22=8, Resulting Numbers: [53, 8] Generated Node #0,1,0: 60:[53, 8] Operation: 30-22=8 Exploring Operation: 53-30=23, Resulting Numbers: [22, 23] Generated Node #0,1,1: 60:[22, 23] Operation: 53-30=23 Exploring Operation: 53+22=75, Resulting Numbers: [30, 75] Generated Node #0,1,2: 60:[30, 75] Operation: 53+22=75 Exploring Operation: 53-22=31, Resulting Numbers: [30, 31] Generated Node #0,1,3: 60:[30, 31] Operation: 53-22=31 Moving to Node #0,3 Current State: 60:[53, 64, 12], Operations: ['42-30=12'] Exploring Operation: 53+12=65, Resulting Numbers: [64, 65] Generated Node #0,3,0: 60:[64, 65] Operation: 53+12=65 Exploring Operation: 64-12=52, Resulting Numbers: [53, 52] Generated Node #0,3,1: 60:[53, 52] Operation: 64-12=52 Exploring Operation: 64-53=11, Resulting Numbers: [12, 11] Generated Node #0,3,2: 60:[12, 11] Operation: 64-53=11 Exploring Operation: 53-12=41, Resulting Numbers: [64, 41] Generated Node #0,3,3: 60:[64, 41] Operation: 53-12=41 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 60:[12, 11], Operations: ['42-30=12', '64-53=11'] Exploring Operation: 12*11=132, Resulting Numbers: [132] 132,60 unequal: No Solution Exploring Operation: 12-11=1, Resulting Numbers: [1] 1,60 unequal: No Solution Exploring Operation: 12+11=23, Resulting Numbers: [23] 23,60 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:[64, 65], Operations: ['42-30=12', '53+12=65'] Exploring Operation: 65-64=1, Resulting Numbers: [1] 1,60 unequal: No Solution Exploring Operation: 64+65=129, Resulting Numbers: [129] 129,60 unequal: No Solution Exploring Operation: 64*65=4160, Resulting Numbers: [4160] 4160,60 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:[53, 52], Operations: ['42-30=12', '64-12=52'] Exploring Operation: 53+52=105, Resulting Numbers: [105] 105,60 unequal: No Solution Exploring Operation: 53-52=1, Resulting Numbers: [1] 1,60 unequal: No Solution Exploring Operation: 53*52=2756, Resulting Numbers: [2756] 2756,60 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:[64, 41], Operations: ['42-30=12', '53-12=41'] Exploring Operation: 64+41=105, Resulting Numbers: [105] 105,60 unequal: No Solution Exploring Operation: 64-41=23, Resulting Numbers: [23] 23,60 unequal: No Solution Exploring Operation: 64*41=2624, Resulting Numbers: [2624] 2624,60 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: 60:[30, 42, 11], Operations: ['64-53=11'] Exploring Operation: 42-30=12, Resulting Numbers: [11, 12] Generated Node #0,2,0: 60:[11, 12] Operation: 42-30=12 Exploring Operation: 30+42=72, Resulting Numbers: [11, 72] Generated Node #0,2,1: 60:[11, 72] Operation: 30+42=72 Exploring Operation: 42-11=31, Resulting Numbers: [30, 31] Generated Node #0,2,2: 60:[30, 31] Operation: 42-11=31 Exploring Operation: 42+11=53, Resulting Numbers: [30, 53] Generated Node #0,2,3: 60:[30, 53] Operation: 42+11=53 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 60:[11, 12], Operations: ['64-53=11', '42-30=12'] Exploring Operation: 12-11=1, Resulting Numbers: [1] 1,60 unequal: No Solution Exploring Operation: 11+12=23, Resulting Numbers: [23] 23,60 unequal: No Solution Exploring Operation: 11*12=132, Resulting Numbers: [132] 132,60 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 60:[30, 31], Operations: ['64-53=11', '42-11=31'] Exploring Operation: 30*31=930, Resulting Numbers: [930] 930,60 unequal: No Solution Exploring Operation: 30+31=61, Resulting Numbers: [61] 61,60 unequal: No Solution Exploring Operation: 31-30=1, Resulting Numbers: [1] 1,60 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 60:[30, 53], Operations: ['64-53=11', '42+11=53'] Exploring Operation: 53-30=23, Resulting Numbers: [23] 23,60 unequal: No Solution Exploring Operation: 30*53=1590, Resulting Numbers: [1590] 1590,60 unequal: No Solution Exploring Operation: 30+53=83, Resulting Numbers: [83] 83,60 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 60:[11, 72], Operations: ['64-53=11', '30+42=72'] Exploring Operation: 11+72=83, Resulting Numbers: [83] 83,60 unequal: No Solution Exploring Operation: 72-11=61, Resulting Numbers: [61] 61,60 unequal: No Solution Exploring Operation: 11*72=792, Resulting Numbers: [792] 792,60 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1,3 Current State: 60:[30, 31], Operations: ['64-42=22', '53-22=31'] Exploring Operation: 30+31=61, Resulting Numbers: [61] 61,60 unequal: No Solution Exploring Operation: 31-30=1, Resulting Numbers: [1] 1,60 unequal: No Solution Exploring Operation: 30*31=930, Resulting Numbers: [930] 930,60 unequal: No Solution Moving to Node #0,1,1 Current State: 60:[22, 23], Operations: ['64-42=22', '53-30=23'] Exploring Operation: 22*23=506, Resulting Numbers: [506] 506,60 unequal: No Solution Exploring Operation: 22+23=45, Resulting Numbers: [45] 45,60 unequal: No Solution Exploring Operation: 23-22=1, Resulting Numbers: [1] 1,60 unequal: No Solution Moving to Node #0,0,2 Current State: 60:[64, 19], Operations: ['53-42=11', '30-11=19'] Exploring Operation: 64-19=45, Resulting Numbers: [45] 45,60 unequal: No Solution Exploring Operation: 64+19=83, Resulting Numbers: [83] 83,60 unequal: No Solution Exploring Operation: 64*19=1216, Resulting Numbers: [1216] 1216,60 unequal: No Solution Moving to Node #0,0,3 Current State: 60:[11, 34], Operations: ['53-42=11', '64-30=34'] Exploring Operation: 34-11=23, Resulting Numbers: [23] 23,60 unequal: No Solution Exploring Operation: 11+34=45, Resulting Numbers: [45] 45,60 unequal: No Solution Exploring Operation: 11*34=374, Resulting Numbers: [374] 374,60 unequal: No Solution Moving to Node #0,0,1 Current State: 60:[30, 53], Operations: ['53-42=11', '64-11=53'] Exploring Operation: 30*53=1590, Resulting Numbers: [1590] 1590,60 unequal: No Solution Exploring Operation: 30+53=83, Resulting Numbers: [83] 83,60 unequal: No Solution Exploring Operation: 53-30=23, Resulting Numbers: [23] 23,60 unequal: No Solution Moving to Node #0,1,0 Current State: 60:[53, 8], Operations: ['64-42=22', '30-22=8'] Exploring Operation: 53+8=61, Resulting Numbers: [61] 61,60 unequal: No Solution Exploring Operation: 53*8=424, Resulting Numbers: [424] 424,60 unequal: No Solution Exploring Operation: 53-8=45, Resulting Numbers: [45] 45,60 unequal: No Solution Moving to Node #0,0,0 Current State: 60:[64, 41], Operations: ['53-42=11', '30+11=41'] Exploring Operation: 64-41=23, Resulting Numbers: [23] 23,60 unequal: No Solution Exploring Operation: 64*41=2624, Resulting Numbers: [2624] 2624,60 unequal: No Solution Exploring Operation: 64+41=105, Resulting Numbers: [105] 105,60 unequal: No Solution Moving to Node #0,1,2 Current State: 60:[30, 75], Operations: ['64-42=22', '53+22=75'] Exploring Operation: 30+75=105, Resulting Numbers: [105] 105,60 unequal: No Solution Exploring Operation: 30*75=2250, Resulting Numbers: [2250] 2250,60 unequal: No Solution Exploring Operation: 75-30=45, Resulting Numbers: [45] 45,60 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 27, 49, 64, 32 ]
11
[ "49-27=22", "64/32=2", "22/2=11" ]
Current State: 11:[27, 49, 64, 32], Operations: [] Exploring Operation: 49-27=22, Resulting Numbers: [64, 32, 22] Generated Node #2: [64, 32, 22] from Operation: 49-27=22 Current State: 11:[64, 32, 22], Operations: ['49-27=22'] Exploring Operation: 64/32=2, Resulting Numbers: [22, 2] Generated Node #3: [22, 2] from Operation: 64/32=2 Current State: 11:[22, 2], Operations: ['49-27=22', '64/32=2'] Exploring Operation: 22/2=11, Resulting Numbers: [11] 11,11 equal: Goal Reached
4
Current State: 11:[27, 49, 64, 32], Operations: [] Exploring Operation: 64-32=32, Resulting Numbers: [27, 49, 32] Generated Node #0,0: 11:[27, 49, 32] Operation: 64-32=32 Exploring Operation: 49-27=22, Resulting Numbers: [64, 32, 22] Generated Node #0,1: 11:[64, 32, 22] Operation: 49-27=22 Exploring Operation: 64-49=15, Resulting Numbers: [27, 32, 15] Generated Node #0,2: 11:[27, 32, 15] Operation: 64-49=15 Exploring Operation: 64/32=2, Resulting Numbers: [27, 49, 2] Generated Node #0,3: 11:[27, 49, 2] Operation: 64/32=2 Exploring Operation: 49-32=17, Resulting Numbers: [27, 64, 17] Generated Node #0,4: 11:[27, 64, 17] Operation: 49-32=17 Start Sub Search at level 1: Moving to Node #0,2 Current State: 11:[27, 32, 15], Operations: ['64-49=15'] Exploring Operation: 32-15=17, Resulting Numbers: [27, 17] Generated Node #0,2,0: 11:[27, 17] Operation: 32-15=17 Exploring Operation: 27-15=12, Resulting Numbers: [32, 12] Generated Node #0,2,1: 11:[32, 12] Operation: 27-15=12 Exploring Operation: 27+32=59, Resulting Numbers: [15, 59] Generated Node #0,2,2: 11:[15, 59] Operation: 27+32=59 Exploring Operation: 27+15=42, Resulting Numbers: [32, 42] Generated Node #0,2,3: 11:[32, 42] Operation: 27+15=42 Exploring Operation: 32-27=5, Resulting Numbers: [15, 5] Generated Node #0,2,4: 11:[15, 5] Operation: 32-27=5 Moving to Node #0,2,4 Current State: 11:[15, 5], Operations: ['64-49=15', '32-27=5'] Exploring Operation: 15*5=75, Resulting Numbers: [75] 75,11 unequal: No Solution Exploring Operation: 15/5=3, Resulting Numbers: [3] 3,11 unequal: No Solution Exploring Operation: 15-5=10, Resulting Numbers: [10] 10,11 unequal: No Solution Exploring Operation: 15+5=20, Resulting Numbers: [20] 20,11 unequal: No Solution Moving to Node #0,2,1 Current State: 11:[32, 12], Operations: ['64-49=15', '27-15=12'] Exploring Operation: 32*12=384, Resulting Numbers: [384] 384,11 unequal: No Solution Exploring Operation: 32+12=44, Resulting Numbers: [44] 44,11 unequal: No Solution Exploring Operation: 32-12=20, Resulting Numbers: [20] 20,11 unequal: No Solution Moving to Node #0,2,0 Current State: 11:[27, 17], Operations: ['64-49=15', '32-15=17'] Exploring Operation: 27-17=10, Resulting Numbers: [10] 10,11 unequal: No Solution Exploring Operation: 27*17=459, Resulting Numbers: [459] 459,11 unequal: No Solution Exploring Operation: 27+17=44, Resulting Numbers: [44] 44,11 unequal: No Solution Moving to Node #0,2,2 Current State: 11:[15, 59], Operations: ['64-49=15', '27+32=59'] Exploring Operation: 15+59=74, Resulting Numbers: [74] 74,11 unequal: No Solution Exploring Operation: 59-15=44, Resulting Numbers: [44] 44,11 unequal: No Solution Exploring Operation: 15*59=885, Resulting Numbers: [885] 885,11 unequal: No Solution Moving to Node #0,2,3 Current State: 11:[32, 42], Operations: ['64-49=15', '27+15=42'] Exploring Operation: 32*42=1344, Resulting Numbers: [1344] 1344,11 unequal: No Solution Exploring Operation: 32+42=74, Resulting Numbers: [74] 74,11 unequal: No Solution Exploring Operation: 42-32=10, Resulting Numbers: [10] 10,11 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 11:[27, 49, 2], Operations: ['64/32=2'] Exploring Operation: 27+2=29, Resulting Numbers: [49, 29] Generated Node #0,3,0: 11:[49, 29] Operation: 27+2=29 Exploring Operation: 49+2=51, Resulting Numbers: [27, 51] Generated Node #0,3,1: 11:[27, 51] Operation: 49+2=51 Exploring Operation: 49-27=22, Resulting Numbers: [2, 22] Generated Node #0,3,2: 11:[2, 22] Operation: 49-27=22 Exploring Operation: 49-2=47, Resulting Numbers: [27, 47] Generated Node #0,3,3: 11:[27, 47] Operation: 49-2=47 Exploring Operation: 27-2=25, Resulting Numbers: [49, 25] Generated Node #0,3,4: 11:[49, 25] Operation: 27-2=25 Moving to Node #0,3,2 Current State: 11:[2, 22], Operations: ['64/32=2', '49-27=22'] Exploring Operation: 2*22=44, Resulting Numbers: [44] 44,11 unequal: No Solution Exploring Operation: 2+22=24, Resulting Numbers: [24] 24,11 unequal: No Solution Exploring Operation: 22/2=11, Resulting Numbers: [11] 11,11 equal: Goal Reached Moving to Node #0 Current State: 11:[27, 49, 64, 32], Operations: [] Exploring Operation: 64/32=2, Resulting Numbers: [27, 49, 2] Generated Node #0,3: 11:[27, 49, 2] Operation: 64/32=2 Moving to Node #0,3 Current State: 11:[27, 49, 2], Operations: ['64/32=2'] Exploring Operation: 49-27=22, Resulting Numbers: [2, 22] Generated Node #0,3,2: 11:[2, 22] Operation: 49-27=22 Moving to Node #0,3,2 Current State: 11:[2, 22], Operations: ['64/32=2', '49-27=22'] Exploring Operation: 22/2=11, Resulting Numbers: [11] 11,11 equal: Goal Reached Exit Sub Search at level 1
0.967014
hs_5
mult_heuristic
[ 86, 98, 77, 8 ]
26
[ "86-77=9", "8*9=72", "98-72=26" ]
Current State: 26:[86, 98, 77, 8], Operations: [] Exploring Operation: 86-77=9, Resulting Numbers: [98, 8, 9] Generated Node #2: [98, 8, 9] from Operation: 86-77=9 Current State: 26:[98, 8, 9], Operations: ['86-77=9'] Exploring Operation: 8*9=72, Resulting Numbers: [98, 72] Generated Node #3: [98, 72] from Operation: 8*9=72 Current State: 26:[98, 72], Operations: ['86-77=9', '8*9=72'] Exploring Operation: 98-72=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
4
Current State: 26:[86, 98, 77, 8], Operations: [] Exploring Operation: 98-86=12, Resulting Numbers: [77, 8, 12] Generated Node #0,0: 26:[77, 8, 12] Operation: 98-86=12 Exploring Operation: 98-77=21, Resulting Numbers: [86, 8, 21] Generated Node #0,1: 26:[86, 8, 21] Operation: 98-77=21 Start Sub Search at level 1: Moving to Node #0,0 Current State: 26:[77, 8, 12], Operations: ['98-86=12'] Exploring Operation: 77-12=65, Resulting Numbers: [8, 65] Generated Node #0,0,0: 26:[8, 65] Operation: 77-12=65 Exploring Operation: 77-8=69, Resulting Numbers: [12, 69] Generated Node #0,0,1: 26:[12, 69] Operation: 77-8=69 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 26:[8, 65], Operations: ['98-86=12', '77-12=65'] Exploring Operation: 65-8=57, Resulting Numbers: [57] 57,26 unequal: No Solution Exploring Operation: 8+65=73, Resulting Numbers: [73] 73,26 unequal: No Solution No 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: 26:[12, 69], Operations: ['98-86=12', '77-8=69'] Exploring Operation: 12+69=81, Resulting Numbers: [81] 81,26 unequal: No Solution Exploring Operation: 69-12=57, Resulting Numbers: [57] 57,26 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: 26:[86, 8, 21], Operations: ['98-77=21'] Exploring Operation: 86-21=65, Resulting Numbers: [8, 65] Generated Node #0,1,0: 26:[8, 65] Operation: 86-21=65 Exploring Operation: 86-8=78, Resulting Numbers: [21, 78] Generated Node #0,1,1: 26:[21, 78] Operation: 86-8=78 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 26:[8, 65], Operations: ['98-77=21', '86-21=65'] Exploring Operation: 65-8=57, Resulting Numbers: [57] 57,26 unequal: No Solution Exploring Operation: 8+65=73, Resulting Numbers: [73] 73,26 unequal: No Solution No 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: 26:[21, 78], Operations: ['98-77=21', '86-8=78'] Exploring Operation: 78-21=57, Resulting Numbers: [57] 57,26 unequal: No Solution Exploring Operation: 21+78=99, Resulting Numbers: [99] 99,26 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
[ 40, 84, 9, 51 ]
82
[ "40+84=124", "51-9=42", "124-42=82" ]
Current State: 82:[40, 84, 9, 51], Operations: [] Exploring Operation: 40+84=124, Resulting Numbers: [9, 51, 124] Generated Node #2: [9, 51, 124] from Operation: 40+84=124 Current State: 82:[9, 51, 124], Operations: ['40+84=124'] Exploring Operation: 51-9=42, Resulting Numbers: [124, 42] Generated Node #3: [124, 42] from Operation: 51-9=42 Current State: 82:[124, 42], Operations: ['40+84=124', '51-9=42'] Exploring Operation: 124-42=82, Resulting Numbers: [82] 82,82 equal: Goal Reached
4
Current State: 82:[40, 84, 9, 51], Operations: [] Exploring Operation: 51-9=42, Resulting Numbers: [40, 84, 42] Generated Node #0,0: 82:[40, 84, 42] Operation: 51-9=42 Start Sub Search at level 1: Moving to Node #0,0 Current State: 82:[40, 84, 42], Operations: ['51-9=42'] Exploring Operation: 84/42=2, Resulting Numbers: [40, 2] Generated Node #0,0,0: 82:[40, 2] Operation: 84/42=2 Moving to Node #0,0,0 Current State: 82:[40, 2], Operations: ['51-9=42', '84/42=2'] Exploring Operation: 40+2=42, Resulting Numbers: [42] 42,82 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 92, 94, 39, 11 ]
100
[ "94-92=2", "39+11=50", "2*50=100" ]
Current State: 100:[92, 94, 39, 11], Operations: [] Exploring Operation: 94-92=2, Resulting Numbers: [39, 11, 2] Generated Node #2: [39, 11, 2] from Operation: 94-92=2 Current State: 100:[39, 11, 2], Operations: ['94-92=2'] Exploring Operation: 39+11=50, Resulting Numbers: [2, 50] Generated Node #3: [2, 50] from Operation: 39+11=50 Current State: 100:[2, 50], Operations: ['94-92=2', '39+11=50'] Exploring Operation: 2*50=100, Resulting Numbers: [100] 100,100 equal: Goal Reached
4
Current State: 100:[92, 94, 39, 11], Operations: [] Exploring Operation: 94-92=2, Resulting Numbers: [39, 11, 2] Generated Node #0,0: 100:[39, 11, 2] Operation: 94-92=2 Exploring Operation: 39-11=28, Resulting Numbers: [92, 94, 28] Generated Node #0,1: 100:[92, 94, 28] Operation: 39-11=28 Exploring Operation: 94-39=55, Resulting Numbers: [92, 11, 55] Generated Node #0,2: 100:[92, 11, 55] Operation: 94-39=55 Exploring Operation: 39+11=50, Resulting Numbers: [92, 94, 50] Generated Node #0,3: 100:[92, 94, 50] Operation: 39+11=50 Exploring Operation: 92-39=53, Resulting Numbers: [94, 11, 53] Generated Node #0,4: 100:[94, 11, 53] Operation: 92-39=53 Moving to Node #0,4 Current State: 100:[94, 11, 53], Operations: ['92-39=53'] Exploring Operation: 53-11=42, Resulting Numbers: [94, 42] Generated Node #0,4,0: 100:[94, 42] Operation: 53-11=42 Exploring Operation: 94+11=105, Resulting Numbers: [53, 105] Generated Node #0,4,1: 100:[53, 105] Operation: 94+11=105 Exploring Operation: 94-11=83, Resulting Numbers: [53, 83] Generated Node #0,4,2: 100:[53, 83] Operation: 94-11=83 Exploring Operation: 11+53=64, Resulting Numbers: [94, 64] Generated Node #0,4,3: 100:[94, 64] Operation: 11+53=64 Exploring Operation: 94-53=41, Resulting Numbers: [11, 41] Generated Node #0,4,4: 100:[11, 41] Operation: 94-53=41 Moving to Node #0,0 Current State: 100:[39, 11, 2], Operations: ['94-92=2'] Exploring Operation: 11-2=9, Resulting Numbers: [39, 9] Generated Node #0,0,0: 100:[39, 9] Operation: 11-2=9 Exploring Operation: 39-2=37, Resulting Numbers: [11, 37] Generated Node #0,0,1: 100:[11, 37] Operation: 39-2=37 Exploring Operation: 39+2=41, Resulting Numbers: [11, 41] Generated Node #0,0,2: 100:[11, 41] Operation: 39+2=41 Exploring Operation: 39-11=28, Resulting Numbers: [2, 28] Generated Node #0,0,3: 100:[2, 28] Operation: 39-11=28 Exploring Operation: 39+11=50, Resulting Numbers: [2, 50] Generated Node #0,0,4: 100:[2, 50] Operation: 39+11=50 Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 100:[2, 50], Operations: ['94-92=2', '39+11=50'] Exploring Operation: 2*50=100, Resulting Numbers: [100] 100,100 equal: Goal Reached Moving to Node #0 Current State: 100:[92, 94, 39, 11], Operations: [] Exploring Operation: 94-92=2, Resulting Numbers: [39, 11, 2] Generated Node #0,0: 100:[39, 11, 2] Operation: 94-92=2 Moving to Node #0,0 Current State: 100:[39, 11, 2], Operations: ['94-92=2'] Exploring Operation: 39+11=50, Resulting Numbers: [2, 50] Generated Node #0,0,4: 100:[2, 50] Operation: 39+11=50 Moving to Node #0,0,4 Current State: 100:[2, 50], Operations: ['94-92=2', '39+11=50'] Exploring Operation: 2*50=100, Resulting Numbers: [100] 100,100 equal: Goal Reached Exit Sub Search at level 1
0.982639
hs_5
sum_heuristic
[ 8, 94, 98, 6 ]
44
[ "8*6=48", "98-94=4", "48-4=44" ]
Current State: 44:[8, 94, 98, 6], Operations: [] Exploring Operation: 8*6=48, Resulting Numbers: [94, 98, 48] Generated Node #2: [94, 98, 48] from Operation: 8*6=48 Current State: 44:[94, 98, 48], Operations: ['8*6=48'] Exploring Operation: 98-94=4, Resulting Numbers: [48, 4] Generated Node #3: [48, 4] from Operation: 98-94=4 Current State: 44:[48, 4], Operations: ['8*6=48', '98-94=4'] Exploring Operation: 48-4=44, Resulting Numbers: [44] 44,44 equal: Goal Reached
4
Current State: 44:[8, 94, 98, 6], Operations: [] Exploring Operation: 94-8=86, Resulting Numbers: [98, 6, 86] Generated Node #0,0: 44:[98, 6, 86] Operation: 94-8=86 Exploring Operation: 98-94=4, Resulting Numbers: [8, 6, 4] Generated Node #0,1: 44:[8, 6, 4] Operation: 98-94=4 Exploring Operation: 98-8=90, Resulting Numbers: [94, 6, 90] Generated Node #0,2: 44:[94, 6, 90] Operation: 98-8=90 Start Sub Search at level 1: Moving to Node #0,1 Current State: 44:[8, 6, 4], Operations: ['98-94=4'] Exploring Operation: 8-4=4, Resulting Numbers: [6, 4] Generated Node #0,1,0: 44:[6, 4] Operation: 8-4=4 Exploring Operation: 8-6=2, Resulting Numbers: [4, 2] Generated Node #0,1,1: 44:[4, 2] Operation: 8-6=2 Exploring Operation: 8/4=2, Resulting Numbers: [6, 2] Generated Node #0,1,2: 44:[6, 2] Operation: 8/4=2 Moving to Node #0,1,1 Current State: 44:[4, 2], Operations: ['98-94=4', '8-6=2'] Exploring Operation: 4-2=2, Resulting Numbers: [2] 2,44 unequal: No Solution Exploring Operation: 4/2=2, Resulting Numbers: [2] 2,44 unequal: No Solution Exploring Operation: 4+2=6, Resulting Numbers: [6] 6,44 unequal: No Solution Moving to Node #0,1,0 Current State: 44:[6, 4], Operations: ['98-94=4', '8-4=4'] Exploring Operation: 6-4=2, Resulting Numbers: [2] 2,44 unequal: No Solution Exploring Operation: 6*4=24, Resulting Numbers: [24] 24,44 unequal: No Solution Exploring Operation: 6+4=10, Resulting Numbers: [10] 10,44 unequal: No Solution Moving to Node #0,1,2 Current State: 44:[6, 2], Operations: ['98-94=4', '8/4=2'] Exploring Operation: 6/2=3, Resulting Numbers: [3] 3,44 unequal: No Solution Exploring Operation: 6-2=4, Resulting Numbers: [4] 4,44 unequal: No Solution Exploring Operation: 6*2=12, Resulting Numbers: [12] 12,44 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 Current State: 44:[98, 6, 86], Operations: ['94-8=86'] Exploring Operation: 98-86=12, Resulting Numbers: [6, 12] Generated Node #0,0,0: 44:[6, 12] Operation: 98-86=12 Exploring Operation: 86-6=80, Resulting Numbers: [98, 80] Generated Node #0,0,1: 44:[98, 80] Operation: 86-6=80 Exploring Operation: 98-6=92, Resulting Numbers: [86, 92] Generated Node #0,0,2: 44:[86, 92] Operation: 98-6=92 Moving to Node #0,0,0 Current State: 44:[6, 12], Operations: ['94-8=86', '98-86=12'] Exploring Operation: 12-6=6, Resulting Numbers: [6] 6,44 unequal: No Solution Exploring Operation: 6+12=18, Resulting Numbers: [18] 18,44 unequal: No Solution Exploring Operation: 12/6=2, Resulting Numbers: [2] 2,44 unequal: No Solution Moving to Node #0,0,1 Current State: 44:[98, 80], Operations: ['94-8=86', '86-6=80'] Exploring Operation: 98-80=18, Resulting Numbers: [18] 18,44 unequal: No Solution Exploring Operation: 98*80=7840, Resulting Numbers: [7840] 7840,44 unequal: No Solution Exploring Operation: 98+80=178, Resulting Numbers: [178] 178,44 unequal: No Solution Moving to Node #0,0,2 Current State: 44:[86, 92], Operations: ['94-8=86', '98-6=92'] Exploring Operation: 86*92=7912, Resulting Numbers: [7912] 7912,44 unequal: No Solution Exploring Operation: 86+92=178, Resulting Numbers: [178] 178,44 unequal: No Solution Exploring Operation: 92-86=6, Resulting Numbers: [6] 6,44 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 #0,2 Current State: 44:[94, 6, 90], Operations: ['98-8=90'] Exploring Operation: 94-90=4, Resulting Numbers: [6, 4] Generated Node #0,2,0: 44:[6, 4] Operation: 94-90=4 Exploring Operation: 94-6=88, Resulting Numbers: [90, 88] Generated Node #0,2,1: 44:[90, 88] Operation: 94-6=88 Exploring Operation: 90/6=15, Resulting Numbers: [94, 15] Generated Node #0,2,2: 44:[94, 15] Operation: 90/6=15 Moving to Node #0,2,0 Current State: 44:[6, 4], Operations: ['98-8=90', '94-90=4'] Exploring Operation: 6-4=2, Resulting Numbers: [2] 2,44 unequal: No Solution Exploring Operation: 6*4=24, Resulting Numbers: [24] 24,44 unequal: No Solution Exploring Operation: 6+4=10, Resulting Numbers: [10] 10,44 unequal: No Solution Moving to Node #0,2,2 Current State: 44:[94, 15], Operations: ['98-8=90', '90/6=15'] Exploring Operation: 94+15=109, Resulting Numbers: [109] 109,44 unequal: No Solution Exploring Operation: 94*15=1410, Resulting Numbers: [1410] 1410,44 unequal: No Solution Exploring Operation: 94-15=79, Resulting Numbers: [79] 79,44 unequal: No Solution Moving to Node #0,2,1 Current State: 44:[90, 88], Operations: ['98-8=90', '94-6=88'] Exploring Operation: 90-88=2, Resulting Numbers: [2] 2,44 unequal: No Solution Exploring Operation: 90+88=178, Resulting Numbers: [178] 178,44 unequal: No Solution Exploring Operation: 90*88=7920, Resulting Numbers: [7920] 7920,44 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
[ 38, 31, 74, 98 ]
31
[ "38-31=7", "98-74=24", "7+24=31" ]
Current State: 31:[38, 31, 74, 98], Operations: [] Exploring Operation: 38-31=7, Resulting Numbers: [74, 98, 7] Generated Node #2: [74, 98, 7] from Operation: 38-31=7 Current State: 31:[74, 98, 7], Operations: ['38-31=7'] Exploring Operation: 98-74=24, Resulting Numbers: [7, 24] Generated Node #3: [7, 24] from Operation: 98-74=24 Current State: 31:[7, 24], Operations: ['38-31=7', '98-74=24'] Exploring Operation: 7+24=31, Resulting Numbers: [31] 31,31 equal: Goal Reached
4
Current State: 31:[38, 31, 74, 98], Operations: [] Exploring Operation: 98-38=60, Resulting Numbers: [31, 74, 60] Generated Node #0,0: 31:[31, 74, 60] Operation: 98-38=60 Exploring Operation: 74-38=36, Resulting Numbers: [31, 98, 36] Generated Node #0,1: 31:[31, 98, 36] Operation: 74-38=36 Exploring Operation: 98-74=24, Resulting Numbers: [38, 31, 24] Generated Node #0,2: 31:[38, 31, 24] Operation: 98-74=24 Moving to Node #0,2 Current State: 31:[38, 31, 24], Operations: ['98-74=24'] Exploring Operation: 38-31=7, Resulting Numbers: [24, 7] Generated Node #0,2,0: 31:[24, 7] Operation: 38-31=7 Exploring Operation: 38+24=62, Resulting Numbers: [31, 62] Generated Node #0,2,1: 31:[31, 62] Operation: 38+24=62 Exploring Operation: 38-24=14, Resulting Numbers: [31, 14] Generated Node #0,2,2: 31:[31, 14] Operation: 38-24=14 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 31:[31, 14], Operations: ['98-74=24', '38-24=14'] Exploring Operation: 31*14=434, Resulting Numbers: [434] 434,31 unequal: No Solution Exploring Operation: 31+14=45, Resulting Numbers: [45] 45,31 unequal: No Solution Exploring Operation: 31-14=17, Resulting Numbers: [17] 17,31 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 31:[24, 7], Operations: ['98-74=24', '38-31=7'] Exploring Operation: 24-7=17, Resulting Numbers: [17] 17,31 unequal: No Solution Exploring Operation: 24*7=168, Resulting Numbers: [168] 168,31 unequal: No Solution Exploring Operation: 24+7=31, Resulting Numbers: [31] 31,31 equal: Goal Reached Moving to Node #0 Current State: 31:[38, 31, 74, 98], Operations: [] Exploring Operation: 98-74=24, Resulting Numbers: [38, 31, 24] Generated Node #0,2: 31:[38, 31, 24] Operation: 98-74=24 Moving to Node #0,2 Current State: 31:[38, 31, 24], Operations: ['98-74=24'] Exploring Operation: 38-31=7, Resulting Numbers: [24, 7] Generated Node #0,2,0: 31:[24, 7] Operation: 38-31=7 Moving to Node #0,2,0 Current State: 31:[24, 7], Operations: ['98-74=24', '38-31=7'] Exploring Operation: 24+7=31, Resulting Numbers: [31] 31,31 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_3
mult_heuristic
[ 83, 26, 10, 85 ]
42
[ "85-83=2", "26*2=52", "52-10=42" ]
Current State: 42:[83, 26, 10, 85], Operations: [] Exploring Operation: 85-83=2, Resulting Numbers: [26, 10, 2] Generated Node #2: [26, 10, 2] from Operation: 85-83=2 Current State: 42:[26, 10, 2], Operations: ['85-83=2'] Exploring Operation: 26*2=52, Resulting Numbers: [10, 52] Generated Node #3: [10, 52] from Operation: 26*2=52 Current State: 42:[10, 52], Operations: ['85-83=2', '26*2=52'] Exploring Operation: 52-10=42, Resulting Numbers: [42] 42,42 equal: Goal Reached
4
Current State: 42:[83, 26, 10, 85], Operations: [] Exploring Operation: 85-26=59, Resulting Numbers: [83, 10, 59] Generated Node #0,0: 42:[83, 10, 59] Operation: 85-26=59 Exploring Operation: 85-83=2, Resulting Numbers: [26, 10, 2] Generated Node #0,1: 42:[26, 10, 2] Operation: 85-83=2 Exploring Operation: 83-26=57, Resulting Numbers: [10, 85, 57] Generated Node #0,2: 42:[10, 85, 57] Operation: 83-26=57 Exploring Operation: 83-10=73, Resulting Numbers: [26, 85, 73] Generated Node #0,3: 42:[26, 85, 73] Operation: 83-10=73 Start Sub Search at level 1: Moving to Node #0,1 Current State: 42:[26, 10, 2], Operations: ['85-83=2'] Exploring Operation: 26+10=36, Resulting Numbers: [2, 36] Generated Node #0,1,0: 42:[2, 36] Operation: 26+10=36 Exploring Operation: 26-10=16, Resulting Numbers: [2, 16] Generated Node #0,1,1: 42:[2, 16] Operation: 26-10=16 Exploring Operation: 26/2=13, Resulting Numbers: [10, 13] Generated Node #0,1,2: 42:[10, 13] Operation: 26/2=13 Exploring Operation: 26-2=24, Resulting Numbers: [10, 24] Generated Node #0,1,3: 42:[10, 24] Operation: 26-2=24 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 42:[2, 16], Operations: ['85-83=2', '26-10=16'] Exploring Operation: 16/2=8, Resulting Numbers: [8] 8,42 unequal: No Solution Exploring Operation: 16-2=14, Resulting Numbers: [14] 14,42 unequal: No Solution Exploring Operation: 2*16=32, Resulting Numbers: [32] 32,42 unequal: No Solution Exploring Operation: 2+16=18, Resulting Numbers: [18] 18,42 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 42:[10, 13], Operations: ['85-83=2', '26/2=13'] Exploring Operation: 10+13=23, Resulting Numbers: [23] 23,42 unequal: No Solution Exploring Operation: 10*13=130, Resulting Numbers: [130] 130,42 unequal: No Solution Exploring Operation: 13-10=3, Resulting Numbers: [3] 3,42 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 42:[2, 36], Operations: ['85-83=2', '26+10=36'] Exploring Operation: 36-2=34, Resulting Numbers: [34] 34,42 unequal: No Solution Exploring Operation: 2*36=72, Resulting Numbers: [72] 72,42 unequal: No Solution Exploring Operation: 36/2=18, Resulting Numbers: [18] 18,42 unequal: No Solution Exploring Operation: 2+36=38, Resulting Numbers: [38] 38,42 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 42:[10, 24], Operations: ['85-83=2', '26-2=24'] Exploring Operation: 24-10=14, Resulting Numbers: [14] 14,42 unequal: No Solution Exploring Operation: 10*24=240, Resulting Numbers: [240] 240,42 unequal: No Solution Exploring Operation: 10+24=34, Resulting Numbers: [34] 34,42 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:[83, 10, 59], Operations: ['85-26=59'] Exploring Operation: 83-10=73, Resulting Numbers: [59, 73] Generated Node #0,0,0: 42:[59, 73] Operation: 83-10=73 Exploring Operation: 83-59=24, Resulting Numbers: [10, 24] Generated Node #0,0,1: 42:[10, 24] Operation: 83-59=24 Exploring Operation: 59-10=49, Resulting Numbers: [83, 49] Generated Node #0,0,2: 42:[83, 49] Operation: 59-10=49 Exploring Operation: 83+10=93, Resulting Numbers: [59, 93] Generated Node #0,0,3: 42:[59, 93] Operation: 83+10=93 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 42:[10, 24], Operations: ['85-26=59', '83-59=24'] Exploring Operation: 24-10=14, Resulting Numbers: [14] 14,42 unequal: No Solution Exploring Operation: 10+24=34, Resulting Numbers: [34] 34,42 unequal: No Solution Exploring Operation: 10*24=240, Resulting Numbers: [240] 240,42 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 42:[59, 73], Operations: ['85-26=59', '83-10=73'] Exploring Operation: 59*73=4307, Resulting Numbers: [4307] 4307,42 unequal: No Solution Exploring Operation: 73-59=14, Resulting Numbers: [14] 14,42 unequal: No Solution Exploring Operation: 59+73=132, Resulting Numbers: [132] 132,42 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 42:[83, 49], Operations: ['85-26=59', '59-10=49'] Exploring Operation: 83+49=132, Resulting Numbers: [132] 132,42 unequal: No Solution Exploring Operation: 83-49=34, Resulting Numbers: [34] 34,42 unequal: No Solution Exploring Operation: 83*49=4067, Resulting Numbers: [4067] 4067,42 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 42:[59, 93], Operations: ['85-26=59', '83+10=93'] Exploring Operation: 93-59=34, Resulting Numbers: [34] 34,42 unequal: No Solution Exploring Operation: 59+93=152, Resulting Numbers: [152] 152,42 unequal: No Solution Exploring Operation: 59*93=5487, Resulting Numbers: [5487] 5487,42 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 #0,2 Current State: 42:[10, 85, 57], Operations: ['83-26=57'] Exploring Operation: 85-57=28, Resulting Numbers: [10, 28] Generated Node #0,2,0: 42:[10, 28] Operation: 85-57=28 Exploring Operation: 85-10=75, Resulting Numbers: [57, 75] Generated Node #0,2,1: 42:[57, 75] Operation: 85-10=75 Exploring Operation: 10+85=95, Resulting Numbers: [57, 95] Generated Node #0,2,2: 42:[57, 95] Operation: 10+85=95 Exploring Operation: 57-10=47, Resulting Numbers: [85, 47] Generated Node #0,2,3: 42:[85, 47] Operation: 57-10=47 Moving to Node #0,2,0 Current State: 42:[10, 28], Operations: ['83-26=57', '85-57=28'] Exploring Operation: 28-10=18, Resulting Numbers: [18] 18,42 unequal: No Solution Exploring Operation: 10+28=38, Resulting Numbers: [38] 38,42 unequal: No Solution Exploring Operation: 10*28=280, Resulting Numbers: [280] 280,42 unequal: No Solution Moving to Node #0,2,3 Current State: 42:[85, 47], Operations: ['83-26=57', '57-10=47'] Exploring Operation: 85-47=38, Resulting Numbers: [38] 38,42 unequal: No Solution Exploring Operation: 85*47=3995, Resulting Numbers: [3995] 3995,42 unequal: No Solution Exploring Operation: 85+47=132, Resulting Numbers: [132] 132,42 unequal: No Solution Moving to Node #0,2,1 Current State: 42:[57, 75], Operations: ['83-26=57', '85-10=75'] Exploring Operation: 75-57=18, Resulting Numbers: [18] 18,42 unequal: No Solution Exploring Operation: 57*75=4275, Resulting Numbers: [4275] 4275,42 unequal: No Solution Exploring Operation: 57+75=132, Resulting Numbers: [132] 132,42 unequal: No Solution Moving to Node #0,2,2 Current State: 42:[57, 95], Operations: ['83-26=57', '10+85=95'] Exploring Operation: 57*95=5415, Resulting Numbers: [5415] 5415,42 unequal: No Solution Exploring Operation: 95-57=38, Resulting Numbers: [38] 38,42 unequal: No Solution Exploring Operation: 57+95=152, Resulting Numbers: [152] 152,42 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 42:[26, 85, 73], Operations: ['83-10=73'] Exploring Operation: 26+85=111, Resulting Numbers: [73, 111] Generated Node #0,3,0: 42:[73, 111] Operation: 26+85=111 Exploring Operation: 73-26=47, Resulting Numbers: [85, 47] Generated Node #0,3,1: 42:[85, 47] Operation: 73-26=47 Exploring Operation: 85-73=12, Resulting Numbers: [26, 12] Generated Node #0,3,2: 42:[26, 12] Operation: 85-73=12 Exploring Operation: 85-26=59, Resulting Numbers: [73, 59] Generated Node #0,3,3: 42:[73, 59] Operation: 85-26=59 Moving to Node #0,3,2 Current State: 42:[26, 12], Operations: ['83-10=73', '85-73=12'] Exploring Operation: 26-12=14, Resulting Numbers: [14] 14,42 unequal: No Solution Exploring Operation: 26+12=38, Resulting Numbers: [38] 38,42 unequal: No Solution Exploring Operation: 26*12=312, Resulting Numbers: [312] 312,42 unequal: No Solution Moving to Node #0,3,3 Current State: 42:[73, 59], Operations: ['83-10=73', '85-26=59'] Exploring Operation: 73-59=14, Resulting Numbers: [14] 14,42 unequal: No Solution Exploring Operation: 73*59=4307, Resulting Numbers: [4307] 4307,42 unequal: No Solution Exploring Operation: 73+59=132, Resulting Numbers: [132] 132,42 unequal: No Solution Moving to Node #0,3,1 Current State: 42:[85, 47], Operations: ['83-10=73', '73-26=47'] Exploring Operation: 85-47=38, Resulting Numbers: [38] 38,42 unequal: No Solution Exploring Operation: 85*47=3995, Resulting Numbers: [3995] 3995,42 unequal: No Solution Exploring Operation: 85+47=132, Resulting Numbers: [132] 132,42 unequal: No Solution Moving to Node #0,3,0 Current State: 42:[73, 111], Operations: ['83-10=73', '26+85=111'] Exploring Operation: 73*111=8103, Resulting Numbers: [8103] 8103,42 unequal: No Solution Exploring Operation: 73+111=184, Resulting Numbers: [184] 184,42 unequal: No Solution Exploring Operation: 111-73=38, Resulting Numbers: [38] 38,42 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
[ 87, 88, 31, 44 ]
76
[ "88-87=1", "31+44=75", "1+75=76" ]
Current State: 76:[87, 88, 31, 44], Operations: [] Exploring Operation: 88-87=1, Resulting Numbers: [31, 44, 1] Generated Node #2: [31, 44, 1] from Operation: 88-87=1 Current State: 76:[31, 44, 1], Operations: ['88-87=1'] Exploring Operation: 31+44=75, Resulting Numbers: [1, 75] Generated Node #3: [1, 75] from Operation: 31+44=75 Current State: 76:[1, 75], Operations: ['88-87=1', '31+44=75'] Exploring Operation: 1+75=76, Resulting Numbers: [76] 76,76 equal: Goal Reached
4
Current State: 76:[87, 88, 31, 44], Operations: [] Exploring Operation: 88/44=2, Resulting Numbers: [87, 31, 2] Generated Node #0,0: 76:[87, 31, 2] Operation: 88/44=2 Exploring Operation: 88-87=1, Resulting Numbers: [31, 44, 1] Generated Node #0,1: 76:[31, 44, 1] Operation: 88-87=1 Start Sub Search at level 1: Moving to Node #0,1 Current State: 76:[31, 44, 1], Operations: ['88-87=1'] Exploring Operation: 44-31=13, Resulting Numbers: [1, 13] Generated Node #0,1,0: 76:[1, 13] Operation: 44-31=13 Exploring Operation: 31+44=75, Resulting Numbers: [1, 75] Generated Node #0,1,1: 76:[1, 75] Operation: 31+44=75 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 76:[1, 75], Operations: ['88-87=1', '31+44=75'] Exploring Operation: 1*75=75, Resulting Numbers: [75] 75,76 unequal: No Solution Exploring Operation: 1+75=76, Resulting Numbers: [76] 76,76 equal: Goal Reached Moving to Node #0 Current State: 76:[87, 88, 31, 44], Operations: [] Exploring Operation: 88-87=1, Resulting Numbers: [31, 44, 1] Generated Node #0,1: 76:[31, 44, 1] Operation: 88-87=1 Moving to Node #0,1 Current State: 76:[31, 44, 1], Operations: ['88-87=1'] Exploring Operation: 31+44=75, Resulting Numbers: [1, 75] Generated Node #0,1,1: 76:[1, 75] Operation: 31+44=75 Moving to Node #0,1,1 Current State: 76:[1, 75], Operations: ['88-87=1', '31+44=75'] Exploring Operation: 1+75=76, Resulting Numbers: [76] 76,76 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.991319
hs_2
mult_heuristic
[ 83, 62, 12, 9 ]
81
[ "83-62=21", "21-12=9", "9*9=81" ]
Current State: 81:[83, 62, 12, 9], Operations: [] Exploring Operation: 83-62=21, Resulting Numbers: [12, 9, 21] Generated Node #2: [12, 9, 21] from Operation: 83-62=21 Current State: 81:[12, 9, 21], Operations: ['83-62=21'] Exploring Operation: 21-12=9, Resulting Numbers: [9, 9] Generated Node #3: [9, 9] from Operation: 21-12=9 Current State: 81:[9, 9], Operations: ['83-62=21', '21-12=9'] Exploring Operation: 9*9=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[83, 62, 12, 9], Operations: [] Exploring Operation: 83-62=21, Resulting Numbers: [12, 9, 21] Generated Node #0,0: 81:[12, 9, 21] Operation: 83-62=21 Moving to Node #0,0 Current State: 81:[12, 9, 21], Operations: ['83-62=21'] Exploring Operation: 21-12=9, Resulting Numbers: [9, 9] Generated Node #0,0,0: 81:[9, 9] Operation: 21-12=9 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 81:[9, 9], Operations: ['83-62=21', '21-12=9'] Exploring Operation: 9*9=81, Resulting Numbers: [81] 81,81 equal: Goal Reached Moving to Node #0 Current State: 81:[83, 62, 12, 9], Operations: [] Exploring Operation: 83-62=21, Resulting Numbers: [12, 9, 21] Generated Node #0,0: 81:[12, 9, 21] Operation: 83-62=21 Moving to Node #0,0 Current State: 81:[12, 9, 21], Operations: ['83-62=21'] Exploring Operation: 21-12=9, Resulting Numbers: [9, 9] Generated Node #0,0,0: 81:[9, 9] Operation: 21-12=9 Moving to Node #0,0,0 Current State: 81:[9, 9], Operations: ['83-62=21', '21-12=9'] Exploring Operation: 9*9=81, Resulting Numbers: [81] 81,81 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 32, 3, 89, 77 ]
36
[ "89-77=12", "12/3=4", "32+4=36" ]
Current State: 36:[32, 3, 89, 77], Operations: [] Exploring Operation: 89-77=12, Resulting Numbers: [32, 3, 12] Generated Node #2: [32, 3, 12] from Operation: 89-77=12 Current State: 36:[32, 3, 12], Operations: ['89-77=12'] Exploring Operation: 12/3=4, Resulting Numbers: [32, 4] Generated Node #3: [32, 4] from Operation: 12/3=4 Current State: 36:[32, 4], Operations: ['89-77=12', '12/3=4'] Exploring Operation: 32+4=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
4
Current State: 36:[32, 3, 89, 77], Operations: [] Exploring Operation: 89-32=57, Resulting Numbers: [3, 77, 57] Generated Node #0,0: 36:[3, 77, 57] Operation: 89-32=57 Exploring Operation: 77-32=45, Resulting Numbers: [3, 89, 45] Generated Node #0,1: 36:[3, 89, 45] Operation: 77-32=45 Exploring Operation: 89-3=86, Resulting Numbers: [32, 77, 86] Generated Node #0,2: 36:[32, 77, 86] Operation: 89-3=86 Exploring Operation: 32+3=35, Resulting Numbers: [89, 77, 35] Generated Node #0,3: 36:[89, 77, 35] Operation: 32+3=35 Exploring Operation: 89-77=12, Resulting Numbers: [32, 3, 12] Generated Node #0,4: 36:[32, 3, 12] Operation: 89-77=12 Moving to Node #0,4 Current State: 36:[32, 3, 12], Operations: ['89-77=12'] Exploring Operation: 3*12=36, Resulting Numbers: [32, 36] Generated Node #0,4,0: 36:[32, 36] Operation: 3*12=36 Exploring Operation: 12-3=9, Resulting Numbers: [32, 9] Generated Node #0,4,1: 36:[32, 9] Operation: 12-3=9 Exploring Operation: 12/3=4, Resulting Numbers: [32, 4] Generated Node #0,4,2: 36:[32, 4] Operation: 12/3=4 Exploring Operation: 32-12=20, Resulting Numbers: [3, 20] Generated Node #0,4,3: 36:[3, 20] Operation: 32-12=20 Exploring Operation: 32+3=35, Resulting Numbers: [12, 35] Generated Node #0,4,4: 36:[12, 35] Operation: 32+3=35 Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 36:[12, 35], Operations: ['89-77=12', '32+3=35'] Exploring Operation: 12*35=420, Resulting Numbers: [420] 420,36 unequal: No Solution Exploring Operation: 35-12=23, Resulting Numbers: [23] 23,36 unequal: No Solution Exploring Operation: 12+35=47, Resulting Numbers: [47] 47,36 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 #0,4,3 Current State: 36:[3, 20], Operations: ['89-77=12', '32-12=20'] Exploring Operation: 3*20=60, Resulting Numbers: [60] 60,36 unequal: No Solution Exploring Operation: 3+20=23, Resulting Numbers: [23] 23,36 unequal: No Solution Exploring Operation: 20-3=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 #0,4,0 Current State: 36:[32, 36], Operations: ['89-77=12', '3*12=36'] Exploring Operation: 32+36=68, Resulting Numbers: [68] 68,36 unequal: No Solution Exploring Operation: 36-32=4, Resulting Numbers: [4] 4,36 unequal: No Solution Exploring Operation: 32*36=1152, Resulting Numbers: [1152] 1152,36 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 #0,4,1 Current State: 36:[32, 9], Operations: ['89-77=12', '12-3=9'] Exploring Operation: 32-9=23, Resulting Numbers: [23] 23,36 unequal: No Solution Exploring Operation: 32*9=288, Resulting Numbers: [288] 288,36 unequal: No Solution Exploring Operation: 32+9=41, Resulting Numbers: [41] 41,36 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 #0,4,2 Current State: 36:[32, 4], Operations: ['89-77=12', '12/3=4'] Exploring Operation: 32*4=128, Resulting Numbers: [128] 128,36 unequal: No Solution Exploring Operation: 32-4=28, Resulting Numbers: [28] 28,36 unequal: No Solution Exploring Operation: 32/4=8, Resulting Numbers: [8] 8,36 unequal: No Solution Exploring Operation: 32+4=36, Resulting Numbers: [36] 36,36 equal: Goal Reached Moving to Node #0 Current State: 36:[32, 3, 89, 77], Operations: [] Exploring Operation: 89-77=12, Resulting Numbers: [32, 3, 12] Generated Node #0,4: 36:[32, 3, 12] Operation: 89-77=12 Moving to Node #0,4 Current State: 36:[32, 3, 12], Operations: ['89-77=12'] Exploring Operation: 12/3=4, Resulting Numbers: [32, 4] Generated Node #0,4,2: 36:[32, 4] Operation: 12/3=4 Moving to Node #0,4,2 Current State: 36:[32, 4], Operations: ['89-77=12', '12/3=4'] Exploring Operation: 32+4=36, Resulting Numbers: [36] 36,36 equal: Goal Reached Exit Sub Search at level 1
0.973958
hs_5
sum_heuristic
[ 29, 93, 14, 87 ]
49
[ "29+93=122", "87-14=73", "122-73=49" ]
Current State: 49:[29, 93, 14, 87], Operations: [] Exploring Operation: 29+93=122, Resulting Numbers: [14, 87, 122] Generated Node #2: [14, 87, 122] from Operation: 29+93=122 Current State: 49:[14, 87, 122], Operations: ['29+93=122'] Exploring Operation: 87-14=73, Resulting Numbers: [122, 73] Generated Node #3: [122, 73] from Operation: 87-14=73 Current State: 49:[122, 73], Operations: ['29+93=122', '87-14=73'] Exploring Operation: 122-73=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
4
Current State: 49:[29, 93, 14, 87], Operations: [] Exploring Operation: 29+14=43, Resulting Numbers: [93, 87, 43] Generated Node #0,0: 49:[93, 87, 43] Operation: 29+14=43 Exploring Operation: 93-87=6, Resulting Numbers: [29, 14, 6] Generated Node #0,1: 49:[29, 14, 6] Operation: 93-87=6 Exploring Operation: 93-29=64, Resulting Numbers: [14, 87, 64] Generated Node #0,2: 49:[14, 87, 64] Operation: 93-29=64 Exploring Operation: 87/29=3, Resulting Numbers: [93, 14, 3] Generated Node #0,3: 49:[93, 14, 3] Operation: 87/29=3 Exploring Operation: 87-29=58, Resulting Numbers: [93, 14, 58] Generated Node #0,4: 49:[93, 14, 58] Operation: 87-29=58 Moving to Node #0,1 Current State: 49:[29, 14, 6], Operations: ['93-87=6'] Exploring Operation: 29-6=23, Resulting Numbers: [14, 23] Generated Node #0,1,0: 49:[14, 23] Operation: 29-6=23 Exploring Operation: 29-14=15, Resulting Numbers: [6, 15] Generated Node #0,1,1: 49:[6, 15] Operation: 29-14=15 Exploring Operation: 29+14=43, Resulting Numbers: [6, 43] Generated Node #0,1,2: 49:[6, 43] Operation: 29+14=43 Exploring Operation: 14-6=8, Resulting Numbers: [29, 8] Generated Node #0,1,3: 49:[29, 8] Operation: 14-6=8 Exploring Operation: 29+6=35, Resulting Numbers: [14, 35] Generated Node #0,1,4: 49:[14, 35] Operation: 29+6=35 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 49:[6, 43], Operations: ['93-87=6', '29+14=43'] Exploring Operation: 43-6=37, Resulting Numbers: [37] 37,49 unequal: No Solution Exploring Operation: 6+43=49, Resulting Numbers: [49] 49,49 equal: Goal Reached Moving to Node #0 Current State: 49:[29, 93, 14, 87], Operations: [] Exploring Operation: 93-87=6, Resulting Numbers: [29, 14, 6] Generated Node #0,1: 49:[29, 14, 6] Operation: 93-87=6 Moving to Node #0,1 Current State: 49:[29, 14, 6], Operations: ['93-87=6'] Exploring Operation: 29+14=43, Resulting Numbers: [6, 43] Generated Node #0,1,2: 49:[6, 43] Operation: 29+14=43 Moving to Node #0,1,2 Current State: 49:[6, 43], Operations: ['93-87=6', '29+14=43'] Exploring Operation: 6+43=49, Resulting Numbers: [49] 49,49 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_5
sum_heuristic
[ 34, 40, 16, 11 ]
82
[ "40-34=6", "11*6=66", "16+66=82" ]
Current State: 82:[34, 40, 16, 11], Operations: [] Exploring Operation: 40-34=6, Resulting Numbers: [16, 11, 6] Generated Node #2: [16, 11, 6] from Operation: 40-34=6 Current State: 82:[16, 11, 6], Operations: ['40-34=6'] Exploring Operation: 11*6=66, Resulting Numbers: [16, 66] Generated Node #3: [16, 66] from Operation: 11*6=66 Current State: 82:[16, 66], Operations: ['40-34=6', '11*6=66'] Exploring Operation: 16+66=82, Resulting Numbers: [82] 82,82 equal: Goal Reached
4
Current State: 82:[34, 40, 16, 11], Operations: [] Exploring Operation: 34+11=45, Resulting Numbers: [40, 16, 45] Generated Node #0,0: 82:[40, 16, 45] Operation: 34+11=45 Exploring Operation: 34+16=50, Resulting Numbers: [40, 11, 50] Generated Node #0,1: 82:[40, 11, 50] Operation: 34+16=50 Exploring Operation: 16-11=5, Resulting Numbers: [34, 40, 5] Generated Node #0,2: 82:[34, 40, 5] Operation: 16-11=5 Start Sub Search at level 1: Moving to Node #0,2 Current State: 82:[34, 40, 5], Operations: ['16-11=5'] Exploring Operation: 34+40=74, Resulting Numbers: [5, 74] Generated Node #0,2,0: 82:[5, 74] Operation: 34+40=74 Exploring Operation: 34+5=39, Resulting Numbers: [40, 39] Generated Node #0,2,1: 82:[40, 39] Operation: 34+5=39 Exploring Operation: 40-34=6, Resulting Numbers: [5, 6] Generated Node #0,2,2: 82:[5, 6] Operation: 40-34=6 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 82:[40, 39], Operations: ['16-11=5', '34+5=39'] Exploring Operation: 40*39=1560, Resulting Numbers: [1560] 1560,82 unequal: No Solution Exploring Operation: 40-39=1, Resulting Numbers: [1] 1,82 unequal: No Solution Exploring Operation: 40+39=79, Resulting Numbers: [79] 79,82 unequal: No Solution No 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: 82:[5, 6], Operations: ['16-11=5', '40-34=6'] Exploring Operation: 5+6=11, Resulting Numbers: [11] 11,82 unequal: No Solution Exploring Operation: 5*6=30, Resulting Numbers: [30] 30,82 unequal: No Solution Exploring Operation: 6-5=1, Resulting Numbers: [1] 1,82 unequal: No Solution No 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: 82:[5, 74], Operations: ['16-11=5', '34+40=74'] Exploring Operation: 74-5=69, Resulting Numbers: [69] 69,82 unequal: No Solution Exploring Operation: 5*74=370, Resulting Numbers: [370] 370,82 unequal: No Solution Exploring Operation: 5+74=79, Resulting Numbers: [79] 79,82 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: 82:[40, 16, 45], Operations: ['34+11=45'] Exploring Operation: 40+45=85, Resulting Numbers: [16, 85] Generated Node #0,0,0: 82:[16, 85] Operation: 40+45=85 Exploring Operation: 45-40=5, Resulting Numbers: [16, 5] Generated Node #0,0,1: 82:[16, 5] Operation: 45-40=5 Exploring Operation: 45-16=29, Resulting Numbers: [40, 29] Generated Node #0,0,2: 82:[40, 29] Operation: 45-16=29 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 82:[40, 29], Operations: ['34+11=45', '45-16=29'] Exploring Operation: 40+29=69, Resulting Numbers: [69] 69,82 unequal: No Solution Exploring Operation: 40*29=1160, Resulting Numbers: [1160] 1160,82 unequal: No Solution Exploring Operation: 40-29=11, Resulting Numbers: [11] 11,82 unequal: No Solution No 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: 82:[16, 85], Operations: ['34+11=45', '40+45=85'] Exploring Operation: 85-16=69, Resulting Numbers: [69] 69,82 unequal: No Solution Exploring Operation: 16*85=1360, Resulting Numbers: [1360] 1360,82 unequal: No Solution Exploring Operation: 16+85=101, Resulting Numbers: [101] 101,82 unequal: No Solution No 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: 82:[16, 5], Operations: ['34+11=45', '45-40=5'] Exploring Operation: 16*5=80, Resulting Numbers: [80] 80,82 unequal: No Solution Exploring Operation: 16-5=11, Resulting Numbers: [11] 11,82 unequal: No Solution Exploring Operation: 16+5=21, Resulting Numbers: [21] 21,82 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: 82:[40, 11, 50], Operations: ['34+16=50'] Exploring Operation: 50-11=39, Resulting Numbers: [40, 39] Generated Node #0,1,0: 82:[40, 39] Operation: 50-11=39 Exploring Operation: 40+50=90, Resulting Numbers: [11, 90] Generated Node #0,1,1: 82:[11, 90] Operation: 40+50=90 Exploring Operation: 50-40=10, Resulting Numbers: [11, 10] Generated Node #0,1,2: 82:[11, 10] Operation: 50-40=10 Moving to Node #0,1,0 Current State: 82:[40, 39], Operations: ['34+16=50', '50-11=39'] Exploring Operation: 40*39=1560, Resulting Numbers: [1560] 1560,82 unequal: No Solution Exploring Operation: 40+39=79, Resulting Numbers: [79] 79,82 unequal: No Solution Exploring Operation: 40-39=1, Resulting Numbers: [1] 1,82 unequal: No Solution Moving to Node #0,1,1 Current State: 82:[11, 90], Operations: ['34+16=50', '40+50=90'] Exploring Operation: 90-11=79, Resulting Numbers: [79] 79,82 unequal: No Solution Exploring Operation: 11+90=101, Resulting Numbers: [101] 101,82 unequal: No Solution Exploring Operation: 11*90=990, Resulting Numbers: [990] 990,82 unequal: No Solution Moving to Node #0,1,2 Current State: 82:[11, 10], Operations: ['34+16=50', '50-40=10'] Exploring Operation: 11+10=21, Resulting Numbers: [21] 21,82 unequal: No Solution Exploring Operation: 11-10=1, Resulting Numbers: [1] 1,82 unequal: No Solution Exploring Operation: 11*10=110, Resulting Numbers: [110] 110,82 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
[ 93, 83, 19, 41 ]
12
[ "93-83=10", "41-19=22", "22-10=12" ]
Current State: 12:[93, 83, 19, 41], Operations: [] Exploring Operation: 93-83=10, Resulting Numbers: [19, 41, 10] Generated Node #2: [19, 41, 10] from Operation: 93-83=10 Current State: 12:[19, 41, 10], Operations: ['93-83=10'] Exploring Operation: 41-19=22, Resulting Numbers: [10, 22] Generated Node #3: [10, 22] from Operation: 41-19=22 Current State: 12:[10, 22], Operations: ['93-83=10', '41-19=22'] Exploring Operation: 22-10=12, Resulting Numbers: [12] 12,12 equal: Goal Reached
4
Current State: 12:[93, 83, 19, 41], Operations: [] Exploring Operation: 93-83=10, Resulting Numbers: [19, 41, 10] Generated Node #0,0: 12:[19, 41, 10] Operation: 93-83=10 Start Sub Search at level 1: Moving to Node #0,0 Current State: 12:[19, 41, 10], Operations: ['93-83=10'] Exploring Operation: 41-19=22, Resulting Numbers: [10, 22] Generated Node #0,0,0: 12:[10, 22] Operation: 41-19=22 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 12:[10, 22], Operations: ['93-83=10', '41-19=22'] Exploring Operation: 22-10=12, Resulting Numbers: [12] 12,12 equal: Goal Reached Moving to Node #0 Current State: 12:[93, 83, 19, 41], Operations: [] Exploring Operation: 93-83=10, Resulting Numbers: [19, 41, 10] Generated Node #0,0: 12:[19, 41, 10] Operation: 93-83=10 Moving to Node #0,0 Current State: 12:[19, 41, 10], Operations: ['93-83=10'] Exploring Operation: 41-19=22, Resulting Numbers: [10, 22] Generated Node #0,0,0: 12:[10, 22] Operation: 41-19=22 Moving to Node #0,0,0 Current State: 12:[10, 22], Operations: ['93-83=10', '41-19=22'] Exploring Operation: 22-10=12, Resulting Numbers: [12] 12,12 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 3, 34, 71, 68 ]
31
[ "68-34=34", "3*34=102", "102-71=31" ]
Current State: 31:[3, 34, 71, 68], Operations: [] Exploring Operation: 68-34=34, Resulting Numbers: [3, 71, 34] Generated Node #2: [3, 71, 34] from Operation: 68-34=34 Current State: 31:[3, 71, 34], Operations: ['68-34=34'] Exploring Operation: 3*34=102, Resulting Numbers: [71, 102] Generated Node #3: [71, 102] from Operation: 3*34=102 Current State: 31:[71, 102], Operations: ['68-34=34', '3*34=102'] Exploring Operation: 102-71=31, Resulting Numbers: [31] 31,31 equal: Goal Reached
4
Current State: 31:[3, 34, 71, 68], Operations: [] Exploring Operation: 68-34=34, Resulting Numbers: [3, 71, 34] Generated Node #0,0: 31:[3, 71, 34] Operation: 68-34=34 Exploring Operation: 71-68=3, Resulting Numbers: [3, 34, 3] Generated Node #0,1: 31:[3, 34, 3] Operation: 71-68=3 Exploring Operation: 71-34=37, Resulting Numbers: [3, 68, 37] Generated Node #0,2: 31:[3, 68, 37] Operation: 71-34=37 Moving to Node #0,1 Current State: 31:[3, 34, 3], Operations: ['71-68=3'] Exploring Operation: 34-3=31, Resulting Numbers: [3, 31] Generated Node #0,1,0: 31:[3, 31] Operation: 34-3=31 Exploring Operation: 3+3=6, Resulting Numbers: [34, 6] Generated Node #0,1,1: 31:[34, 6] Operation: 3+3=6 Exploring Operation: 3*3=9, Resulting Numbers: [34, 9] Generated Node #0,1,2: 31:[34, 9] Operation: 3*3=9 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 31:[34, 9], Operations: ['71-68=3', '3*3=9'] Exploring Operation: 34+9=43, Resulting Numbers: [43] 43,31 unequal: No Solution Exploring Operation: 34-9=25, Resulting Numbers: [25] 25,31 unequal: No Solution Exploring Operation: 34*9=306, Resulting Numbers: [306] 306,31 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 31:[3, 31], Operations: ['71-68=3', '34-3=31'] Exploring Operation: 3+31=34, Resulting Numbers: [34] 34,31 unequal: No Solution Exploring Operation: 31-3=28, Resulting Numbers: [28] 28,31 unequal: No Solution Exploring Operation: 3*31=93, Resulting Numbers: [93] 93,31 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 31:[34, 6], Operations: ['71-68=3', '3+3=6'] Exploring Operation: 34*6=204, Resulting Numbers: [204] 204,31 unequal: No Solution Exploring Operation: 34-6=28, Resulting Numbers: [28] 28,31 unequal: No Solution Exploring Operation: 34+6=40, Resulting Numbers: [40] 40,31 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: 31:[3, 71, 34], Operations: ['68-34=34'] Exploring Operation: 71-3=68, Resulting Numbers: [34, 68] Generated Node #0,0,0: 31:[34, 68] Operation: 71-3=68 Exploring Operation: 71-34=37, Resulting Numbers: [3, 37] Generated Node #0,0,1: 31:[3, 37] Operation: 71-34=37 Exploring Operation: 34-3=31, Resulting Numbers: [71, 31] Generated Node #0,0,2: 31:[71, 31] Operation: 34-3=31 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 31:[3, 37], Operations: ['68-34=34', '71-34=37'] Exploring Operation: 3*37=111, Resulting Numbers: [111] 111,31 unequal: No Solution Exploring Operation: 3+37=40, Resulting Numbers: [40] 40,31 unequal: No Solution Exploring Operation: 37-3=34, Resulting Numbers: [34] 34,31 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 31:[34, 68], Operations: ['68-34=34', '71-3=68'] Exploring Operation: 68/34=2, Resulting Numbers: [2] 2,31 unequal: No Solution Exploring Operation: 34+68=102, Resulting Numbers: [102] 102,31 unequal: No Solution Exploring Operation: 68-34=34, Resulting Numbers: [34] 34,31 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 31:[71, 31], Operations: ['68-34=34', '34-3=31'] Exploring Operation: 71*31=2201, Resulting Numbers: [2201] 2201,31 unequal: No Solution Exploring Operation: 71+31=102, Resulting Numbers: [102] 102,31 unequal: No Solution Exploring Operation: 71-31=40, Resulting Numbers: [40] 40,31 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: 31:[3, 68, 37], Operations: ['71-34=37'] Exploring Operation: 68-37=31, Resulting Numbers: [3, 31] Generated Node #0,2,0: 31:[3, 31] Operation: 68-37=31 Exploring Operation: 68-3=65, Resulting Numbers: [37, 65] Generated Node #0,2,1: 31:[37, 65] Operation: 68-3=65 Exploring Operation: 37-3=34, Resulting Numbers: [68, 34] Generated Node #0,2,2: 31:[68, 34] Operation: 37-3=34 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 31:[3, 31], Operations: ['71-34=37', '68-37=31'] Exploring Operation: 3+31=34, Resulting Numbers: [34] 34,31 unequal: No Solution Exploring Operation: 3*31=93, Resulting Numbers: [93] 93,31 unequal: No Solution Exploring Operation: 31-3=28, Resulting Numbers: [28] 28,31 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 31:[37, 65], Operations: ['71-34=37', '68-3=65'] Exploring Operation: 65-37=28, Resulting Numbers: [28] 28,31 unequal: No Solution Exploring Operation: 37+65=102, Resulting Numbers: [102] 102,31 unequal: No Solution Exploring Operation: 37*65=2405, Resulting Numbers: [2405] 2405,31 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 31:[68, 34], Operations: ['71-34=37', '37-3=34'] Exploring Operation: 68+34=102, Resulting Numbers: [102] 102,31 unequal: No Solution Exploring Operation: 68/34=2, Resulting Numbers: [2] 2,31 unequal: No Solution Exploring Operation: 68-34=34, Resulting Numbers: [34] 34,31 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
mult_heuristic
[ 64, 40, 81, 96 ]
94
[ "64*81=5184", "5184/96=54", "40+54=94" ]
Current State: 94:[64, 40, 81, 96], Operations: [] Exploring Operation: 64*81=5184, Resulting Numbers: [40, 96, 5184] Generated Node #2: [40, 96, 5184] from Operation: 64*81=5184 Current State: 94:[40, 96, 5184], Operations: ['64*81=5184'] Exploring Operation: 5184/96=54, Resulting Numbers: [40, 54] Generated Node #3: [40, 54] from Operation: 5184/96=54 Current State: 94:[40, 54], Operations: ['64*81=5184', '5184/96=54'] Exploring Operation: 40+54=94, Resulting Numbers: [94] 94,94 equal: Goal Reached
4
Current State: 94:[64, 40, 81, 96], Operations: [] Exploring Operation: 64+40=104, Resulting Numbers: [81, 96, 104] Generated Node #0,0: 94:[81, 96, 104] Operation: 64+40=104 Exploring Operation: 81-64=17, Resulting Numbers: [40, 96, 17] Generated Node #0,1: 94:[40, 96, 17] Operation: 81-64=17 Exploring Operation: 81-40=41, Resulting Numbers: [64, 96, 41] Generated Node #0,2: 94:[64, 96, 41] Operation: 81-40=41 Exploring Operation: 96-64=32, Resulting Numbers: [40, 81, 32] Generated Node #0,3: 94:[40, 81, 32] Operation: 96-64=32 Start Sub Search at level 1: Moving to Node #0,1 Current State: 94:[40, 96, 17], Operations: ['81-64=17'] Exploring Operation: 96-17=79, Resulting Numbers: [40, 79] Generated Node #0,1,0: 94:[40, 79] Operation: 96-17=79 Exploring Operation: 40-17=23, Resulting Numbers: [96, 23] Generated Node #0,1,1: 94:[96, 23] Operation: 40-17=23 Exploring Operation: 40+17=57, Resulting Numbers: [96, 57] Generated Node #0,1,2: 94:[96, 57] Operation: 40+17=57 Exploring Operation: 96-40=56, Resulting Numbers: [17, 56] Generated Node #0,1,3: 94:[17, 56] Operation: 96-40=56 Moving to Node #0,1,2 Current State: 94:[96, 57], Operations: ['81-64=17', '40+17=57'] Exploring Operation: 96+57=153, Resulting Numbers: [153] 153,94 unequal: No Solution Exploring Operation: 96*57=5472, Resulting Numbers: [5472] 5472,94 unequal: No Solution Exploring Operation: 96-57=39, Resulting Numbers: [39] 39,94 unequal: No Solution Moving to Node #0,1,0 Current State: 94:[40, 79], Operations: ['81-64=17', '96-17=79'] Exploring Operation: 40*79=3160, Resulting Numbers: [3160] 3160,94 unequal: No Solution Exploring Operation: 79-40=39, Resulting Numbers: [39] 39,94 unequal: No Solution Exploring Operation: 40+79=119, Resulting Numbers: [119] 119,94 unequal: No Solution Moving to Node #0,1,1 Current State: 94:[96, 23], Operations: ['81-64=17', '40-17=23'] Exploring Operation: 96+23=119, Resulting Numbers: [119] 119,94 unequal: No Solution Exploring Operation: 96-23=73, Resulting Numbers: [73] 73,94 unequal: No Solution Exploring Operation: 96*23=2208, Resulting Numbers: [2208] 2208,94 unequal: No Solution Moving to Node #0,1,3 Current State: 94:[17, 56], Operations: ['81-64=17', '96-40=56'] Exploring Operation: 17*56=952, Resulting Numbers: [952] 952,94 unequal: No Solution Exploring Operation: 17+56=73, Resulting Numbers: [73] 73,94 unequal: No Solution Exploring Operation: 56-17=39, Resulting Numbers: [39] 39,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 94:[81, 96, 104], Operations: ['64+40=104'] Exploring Operation: 104-96=8, Resulting Numbers: [81, 8] Generated Node #0,0,0: 94:[81, 8] Operation: 104-96=8 Exploring Operation: 81+96=177, Resulting Numbers: [104, 177] Generated Node #0,0,1: 94:[104, 177] Operation: 81+96=177 Exploring Operation: 96-81=15, Resulting Numbers: [104, 15] Generated Node #0,0,2: 94:[104, 15] Operation: 96-81=15 Exploring Operation: 104-81=23, Resulting Numbers: [96, 23] Generated Node #0,0,3: 94:[96, 23] Operation: 104-81=23 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 94:[81, 8], Operations: ['64+40=104', '104-96=8'] Exploring Operation: 81+8=89, Resulting Numbers: [89] 89,94 unequal: No Solution Exploring Operation: 81*8=648, Resulting Numbers: [648] 648,94 unequal: No Solution Exploring Operation: 81-8=73, Resulting Numbers: [73] 73,94 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 94:[104, 15], Operations: ['64+40=104', '96-81=15'] Exploring Operation: 104+15=119, Resulting Numbers: [119] 119,94 unequal: No Solution Exploring Operation: 104*15=1560, Resulting Numbers: [1560] 1560,94 unequal: No Solution Exploring Operation: 104-15=89, Resulting Numbers: [89] 89,94 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 94:[96, 23], Operations: ['64+40=104', '104-81=23'] Exploring Operation: 96*23=2208, Resulting Numbers: [2208] 2208,94 unequal: No Solution Exploring Operation: 96-23=73, Resulting Numbers: [73] 73,94 unequal: No Solution Exploring Operation: 96+23=119, Resulting Numbers: [119] 119,94 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 94:[104, 177], Operations: ['64+40=104', '81+96=177'] Exploring Operation: 104+177=281, Resulting Numbers: [281] 281,94 unequal: No Solution Exploring Operation: 177-104=73, Resulting Numbers: [73] 73,94 unequal: No Solution Exploring Operation: 104*177=18408, Resulting Numbers: [18408] 18408,94 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 94:[64, 96, 41], Operations: ['81-40=41'] Exploring Operation: 64-41=23, Resulting Numbers: [96, 23] Generated Node #0,2,0: 94:[96, 23] Operation: 64-41=23 Exploring Operation: 64+41=105, Resulting Numbers: [96, 105] Generated Node #0,2,1: 94:[96, 105] Operation: 64+41=105 Exploring Operation: 96-41=55, Resulting Numbers: [64, 55] Generated Node #0,2,2: 94:[64, 55] Operation: 96-41=55 Exploring Operation: 96-64=32, Resulting Numbers: [41, 32] Generated Node #0,2,3: 94:[41, 32] Operation: 96-64=32 Moving to Node #0,2,1 Current State: 94:[96, 105], Operations: ['81-40=41', '64+41=105'] Exploring Operation: 96+105=201, Resulting Numbers: [201] 201,94 unequal: No Solution Exploring Operation: 96*105=10080, Resulting Numbers: [10080] 10080,94 unequal: No Solution Exploring Operation: 105-96=9, Resulting Numbers: [9] 9,94 unequal: No Solution Moving to Node #0,2,3 Current State: 94:[41, 32], Operations: ['81-40=41', '96-64=32'] Exploring Operation: 41*32=1312, Resulting Numbers: [1312] 1312,94 unequal: No Solution Exploring Operation: 41-32=9, Resulting Numbers: [9] 9,94 unequal: No Solution Exploring Operation: 41+32=73, Resulting Numbers: [73] 73,94 unequal: No Solution Moving to Node #0,2,0 Current State: 94:[96, 23], Operations: ['81-40=41', '64-41=23'] Exploring Operation: 96*23=2208, Resulting Numbers: [2208] 2208,94 unequal: No Solution Exploring Operation: 96+23=119, Resulting Numbers: [119] 119,94 unequal: No Solution Exploring Operation: 96-23=73, Resulting Numbers: [73] 73,94 unequal: No Solution Moving to Node #0,2,2 Current State: 94:[64, 55], Operations: ['81-40=41', '96-41=55'] Exploring Operation: 64-55=9, Resulting Numbers: [9] 9,94 unequal: No Solution Exploring Operation: 64+55=119, Resulting Numbers: [119] 119,94 unequal: No Solution Exploring Operation: 64*55=3520, Resulting Numbers: [3520] 3520,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 94:[40, 81, 32], Operations: ['96-64=32'] Exploring Operation: 40-32=8, Resulting Numbers: [81, 8] Generated Node #0,3,0: 94:[81, 8] Operation: 40-32=8 Exploring Operation: 81+32=113, Resulting Numbers: [40, 113] Generated Node #0,3,1: 94:[40, 113] Operation: 81+32=113 Exploring Operation: 81-32=49, Resulting Numbers: [40, 49] Generated Node #0,3,2: 94:[40, 49] Operation: 81-32=49 Exploring Operation: 81-40=41, Resulting Numbers: [32, 41] Generated Node #0,3,3: 94:[32, 41] Operation: 81-40=41 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 94:[40, 49], Operations: ['96-64=32', '81-32=49'] Exploring Operation: 49-40=9, Resulting Numbers: [9] 9,94 unequal: No Solution Exploring Operation: 40+49=89, Resulting Numbers: [89] 89,94 unequal: No Solution Exploring Operation: 40*49=1960, Resulting Numbers: [1960] 1960,94 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 94:[81, 8], Operations: ['96-64=32', '40-32=8'] Exploring Operation: 81+8=89, Resulting Numbers: [89] 89,94 unequal: No Solution Exploring Operation: 81*8=648, Resulting Numbers: [648] 648,94 unequal: No Solution Exploring Operation: 81-8=73, Resulting Numbers: [73] 73,94 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 94:[32, 41], Operations: ['96-64=32', '81-40=41'] Exploring Operation: 41-32=9, Resulting Numbers: [9] 9,94 unequal: No Solution Exploring Operation: 32*41=1312, Resulting Numbers: [1312] 1312,94 unequal: No Solution Exploring Operation: 32+41=73, Resulting Numbers: [73] 73,94 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 94:[40, 113], Operations: ['96-64=32', '81+32=113'] Exploring Operation: 40+113=153, Resulting Numbers: [153] 153,94 unequal: No Solution Exploring Operation: 40*113=4520, Resulting Numbers: [4520] 4520,94 unequal: No Solution Exploring Operation: 113-40=73, Resulting Numbers: [73] 73,94 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
mult_heuristic
[ 34, 63, 31, 37 ]
58
[ "34-31=3", "63/3=21", "37+21=58" ]
Current State: 58:[34, 63, 31, 37], Operations: [] Exploring Operation: 34-31=3, Resulting Numbers: [63, 37, 3] Generated Node #2: [63, 37, 3] from Operation: 34-31=3 Current State: 58:[63, 37, 3], Operations: ['34-31=3'] Exploring Operation: 63/3=21, Resulting Numbers: [37, 21] Generated Node #3: [37, 21] from Operation: 63/3=21 Current State: 58:[37, 21], Operations: ['34-31=3', '63/3=21'] Exploring Operation: 37+21=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[34, 63, 31, 37], Operations: [] Exploring Operation: 37-34=3, Resulting Numbers: [63, 31, 3] Generated Node #0,0: 58:[63, 31, 3] Operation: 37-34=3 Exploring Operation: 63-34=29, Resulting Numbers: [31, 37, 29] Generated Node #0,1: 58:[31, 37, 29] Operation: 63-34=29 Start Sub Search at level 1: Moving to Node #0,0 Current State: 58:[63, 31, 3], Operations: ['37-34=3'] Exploring Operation: 63-3=60, Resulting Numbers: [31, 60] Generated Node #0,0,0: 58:[31, 60] Operation: 63-3=60 Exploring Operation: 63-31=32, Resulting Numbers: [3, 32] Generated Node #0,0,1: 58:[3, 32] Operation: 63-31=32 Moving to Node #0,0,0 Current State: 58:[31, 60], Operations: ['37-34=3', '63-3=60'] Exploring Operation: 60-31=29, Resulting Numbers: [29] 29,58 unequal: No Solution Exploring Operation: 31+60=91, Resulting Numbers: [91] 91,58 unequal: No Solution Moving to Node #0,0,1 Current State: 58:[3, 32], Operations: ['37-34=3', '63-31=32'] Exploring Operation: 32-3=29, Resulting Numbers: [29] 29,58 unequal: No Solution Exploring Operation: 3+32=35, Resulting Numbers: [35] 35,58 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 #0,1 Current State: 58:[31, 37, 29], Operations: ['63-34=29'] Exploring Operation: 31-29=2, Resulting Numbers: [37, 2] Generated Node #0,1,0: 58:[37, 2] Operation: 31-29=2 Exploring Operation: 37-31=6, Resulting Numbers: [29, 6] Generated Node #0,1,1: 58:[29, 6] Operation: 37-31=6 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 58:[29, 6], Operations: ['63-34=29', '37-31=6'] Exploring Operation: 29-6=23, Resulting Numbers: [23] 23,58 unequal: No Solution Exploring Operation: 29+6=35, Resulting Numbers: [35] 35,58 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 #0,1,0 Current State: 58:[37, 2], Operations: ['63-34=29', '31-29=2'] Exploring Operation: 37+2=39, Resulting Numbers: [39] 39,58 unequal: No Solution Exploring Operation: 37-2=35, Resulting Numbers: [35] 35,58 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_2
sum_heuristic
[ 6, 9, 34, 64 ]
83
[ "6+9=15", "34+64=98", "98-15=83" ]
Current State: 83:[6, 9, 34, 64], Operations: [] Exploring Operation: 6+9=15, Resulting Numbers: [34, 64, 15] Generated Node #2: [34, 64, 15] from Operation: 6+9=15 Current State: 83:[34, 64, 15], Operations: ['6+9=15'] Exploring Operation: 34+64=98, Resulting Numbers: [15, 98] Generated Node #3: [15, 98] from Operation: 34+64=98 Current State: 83:[15, 98], Operations: ['6+9=15', '34+64=98'] Exploring Operation: 98-15=83, Resulting Numbers: [83] 83,83 equal: Goal Reached
4
Current State: 83:[6, 9, 34, 64], Operations: [] Exploring Operation: 6*9=54, Resulting Numbers: [34, 64, 54] Generated Node #0,0: 83:[34, 64, 54] Operation: 6*9=54 Moving to Node #0,0 Current State: 83:[34, 64, 54], Operations: ['6*9=54'] Exploring Operation: 34+54=88, Resulting Numbers: [64, 88] Generated Node #0,0,0: 83:[64, 88] Operation: 34+54=88 Moving to Node #0,0,0 Current State: 83:[64, 88], Operations: ['6*9=54', '34+54=88'] Exploring Operation: 88-64=24, Resulting Numbers: [24] 24,83 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 1, 1, 69, 59 ]
69
[ "1-1=0", "59*0=0", "69+0=69" ]
Current State: 69:[1, 1, 69, 59], Operations: [] Exploring Operation: 1-1=0, Resulting Numbers: [69, 59, 0] Generated Node #2: [69, 59, 0] from Operation: 1-1=0 Current State: 69:[69, 59, 0], Operations: ['1-1=0'] Exploring Operation: 59*0=0, Resulting Numbers: [69, 0] Generated Node #3: [69, 0] from Operation: 59*0=0 Current State: 69:[69, 0], Operations: ['1-1=0', '59*0=0'] Exploring Operation: 69+0=69, Resulting Numbers: [69] 69,69 equal: Goal Reached
4
Current State: 69:[1, 1, 69, 59], Operations: [] Exploring Operation: 1+1=2, Resulting Numbers: [69, 59, 2] Generated Node #0,0: 69:[69, 59, 2] Operation: 1+1=2 Exploring Operation: 1*1=1, Resulting Numbers: [69, 59, 1] Generated Node #0,1: 69:[69, 59, 1] Operation: 1*1=1 Exploring Operation: 69-59=10, Resulting Numbers: [1, 1, 10] Generated Node #0,2: 69:[1, 1, 10] Operation: 69-59=10 Exploring Operation: 1+59=60, Resulting Numbers: [1, 69, 60] Generated Node #0,3: 69:[1, 69, 60] Operation: 1+59=60 Exploring Operation: 1+59=60, Resulting Numbers: [1, 69, 60] Generated Node #0,4: 69:[1, 69, 60] Operation: 1+59=60 Moving to Node #0,0 Current State: 69:[69, 59, 2], Operations: ['1+1=2'] Exploring Operation: 69-2=67, Resulting Numbers: [59, 67] Generated Node #0,0,0: 69:[59, 67] Operation: 69-2=67 Exploring Operation: 59-2=57, Resulting Numbers: [69, 57] Generated Node #0,0,1: 69:[69, 57] Operation: 59-2=57 Exploring Operation: 69+2=71, Resulting Numbers: [59, 71] Generated Node #0,0,2: 69:[59, 71] Operation: 69+2=71 Exploring Operation: 59+2=61, Resulting Numbers: [69, 61] Generated Node #0,0,3: 69:[69, 61] Operation: 59+2=61 Exploring Operation: 69-59=10, Resulting Numbers: [2, 10] Generated Node #0,0,4: 69:[2, 10] Operation: 69-59=10 Moving to Node #0,3 Current State: 69:[1, 69, 60], Operations: ['1+59=60'] Exploring Operation: 1*60=60, Resulting Numbers: [69, 60] Generated Node #0,3,0: 69:[69, 60] Operation: 1*60=60 Exploring Operation: 1+60=61, Resulting Numbers: [69, 61] Generated Node #0,3,1: 69:[69, 61] Operation: 1+60=61 Exploring Operation: 69-60=9, Resulting Numbers: [1, 9] Generated Node #0,3,2: 69:[1, 9] Operation: 69-60=9 Exploring Operation: 1*69=69, Resulting Numbers: [60, 69] Generated Node #0,3,3: 69:[60, 69] Operation: 1*69=69 Exploring Operation: 69/1=69, Resulting Numbers: [60, 69] Generated Node #0,3,4: 69:[60, 69] Operation: 69/1=69 Moving to Node #0,2 Current State: 69:[1, 1, 10], Operations: ['69-59=10'] Exploring Operation: 10-1=9, Resulting Numbers: [1, 9] Generated Node #0,2,0: 69:[1, 9] Operation: 10-1=9 Exploring Operation: 10-1=9, Resulting Numbers: [1, 9] Generated Node #0,2,1: 69:[1, 9] Operation: 10-1=9 Exploring Operation: 1*1=1, Resulting Numbers: [10, 1] Generated Node #0,2,2: 69:[10, 1] Operation: 1*1=1 Exploring Operation: 1+1=2, Resulting Numbers: [10, 2] Generated Node #0,2,3: 69:[10, 2] Operation: 1+1=2 Exploring Operation: 1/1=1, Resulting Numbers: [10, 1] Generated Node #0,2,4: 69:[10, 1] Operation: 1/1=1 Moving to Node #0,4 Current State: 69:[1, 69, 60], Operations: ['1+59=60'] Exploring Operation: 69-60=9, Resulting Numbers: [1, 9] Generated Node #0,4,0: 69:[1, 9] Operation: 69-60=9 Exploring Operation: 69/1=69, Resulting Numbers: [60, 69] Generated Node #0,4,1: 69:[60, 69] Operation: 69/1=69 Exploring Operation: 1*69=69, Resulting Numbers: [60, 69] Generated Node #0,4,2: 69:[60, 69] Operation: 1*69=69 Exploring Operation: 1+60=61, Resulting Numbers: [69, 61] Generated Node #0,4,3: 69:[69, 61] Operation: 1+60=61 Exploring Operation: 1*60=60, Resulting Numbers: [69, 60] Generated Node #0,4,4: 69:[69, 60] Operation: 1*60=60 Moving to Node #0,1 Current State: 69:[69, 59, 1], Operations: ['1*1=1'] Exploring Operation: 69/1=69, Resulting Numbers: [59, 69] Generated Node #0,1,0: 69:[59, 69] Operation: 69/1=69 Exploring Operation: 69*1=69, Resulting Numbers: [59, 69] Generated Node #0,1,1: 69:[59, 69] Operation: 69*1=69 Exploring Operation: 69-59=10, Resulting Numbers: [1, 10] Generated Node #0,1,2: 69:[1, 10] Operation: 69-59=10 Exploring Operation: 59*1=59, Resulting Numbers: [69, 59] Generated Node #0,1,3: 69:[69, 59] Operation: 59*1=59 Exploring Operation: 59+1=60, Resulting Numbers: [69, 60] Generated Node #0,1,4: 69:[69, 60] Operation: 59+1=60 Moving to Node #0,0,3 Current State: 69:[69, 61], Operations: ['1+1=2', '59+2=61'] Exploring Operation: 69*61=4209, Resulting Numbers: [4209] 4209,69 unequal: No Solution Exploring Operation: 69-61=8, Resulting Numbers: [8] 8,69 unequal: No Solution Exploring Operation: 69+61=130, Resulting Numbers: [130] 130,69 unequal: No Solution Moving to Node #0,3,1 Current State: 69:[69, 61], Operations: ['1+59=60', '1+60=61'] Exploring Operation: 69+61=130, Resulting Numbers: [130] 130,69 unequal: No Solution Exploring Operation: 69-61=8, Resulting Numbers: [8] 8,69 unequal: No Solution Exploring Operation: 69*61=4209, Resulting Numbers: [4209] 4209,69 unequal: No Solution Moving to Node #0,3,2 Current State: 69:[1, 9], Operations: ['1+59=60', '69-60=9'] Exploring Operation: 1*9=9, Resulting Numbers: [9] 9,69 unequal: No Solution Exploring Operation: 1+9=10, Resulting Numbers: [10] 10,69 unequal: No Solution Exploring Operation: 9/1=9, Resulting Numbers: [9] 9,69 unequal: No Solution Exploring Operation: 9-1=8, Resulting Numbers: [8] 8,69 unequal: No Solution Moving to Node #0,2,1 Current State: 69:[1, 9], Operations: ['69-59=10', '10-1=9'] Exploring Operation: 9/1=9, Resulting Numbers: [9] 9,69 unequal: No Solution Exploring Operation: 1*9=9, Resulting Numbers: [9] 9,69 unequal: No Solution Exploring Operation: 9-1=8, Resulting Numbers: [8] 8,69 unequal: No Solution Exploring Operation: 1+9=10, Resulting Numbers: [10] 10,69 unequal: No Solution Moving to Node #0,2,3 Current State: 69:[10, 2], Operations: ['69-59=10', '1+1=2'] Exploring Operation: 10+2=12, Resulting Numbers: [12] 12,69 unequal: No Solution Exploring Operation: 10-2=8, Resulting Numbers: [8] 8,69 unequal: No Solution Exploring Operation: 10*2=20, Resulting Numbers: [20] 20,69 unequal: No Solution Exploring Operation: 10/2=5, Resulting Numbers: [5] 5,69 unequal: No Solution Moving to Node #0,0,4 Current State: 69:[2, 10], Operations: ['1+1=2', '69-59=10'] Exploring Operation: 2*10=20, Resulting Numbers: [20] 20,69 unequal: No Solution Exploring Operation: 10-2=8, Resulting Numbers: [8] 8,69 unequal: No Solution Exploring Operation: 2+10=12, Resulting Numbers: [12] 12,69 unequal: No Solution Exploring Operation: 10/2=5, Resulting Numbers: [5] 5,69 unequal: No Solution Moving to Node #0,2,0 Current State: 69:[1, 9], Operations: ['69-59=10', '10-1=9'] Exploring Operation: 1+9=10, Resulting Numbers: [10] 10,69 unequal: No Solution Exploring Operation: 1*9=9, Resulting Numbers: [9] 9,69 unequal: No Solution Exploring Operation: 9-1=8, Resulting Numbers: [8] 8,69 unequal: No Solution Exploring Operation: 9/1=9, Resulting Numbers: [9] 9,69 unequal: No Solution Moving to Node #0,4,0 Current State: 69:[1, 9], Operations: ['1+59=60', '69-60=9'] Exploring Operation: 9/1=9, Resulting Numbers: [9] 9,69 unequal: No Solution Exploring Operation: 1*9=9, Resulting Numbers: [9] 9,69 unequal: No Solution Exploring Operation: 1+9=10, Resulting Numbers: [10] 10,69 unequal: No Solution Exploring Operation: 9-1=8, Resulting Numbers: [8] 8,69 unequal: No Solution Moving to Node #0,4,3 Current State: 69:[69, 61], Operations: ['1+59=60', '1+60=61'] Exploring Operation: 69-61=8, Resulting Numbers: [8] 8,69 unequal: No Solution Exploring Operation: 69+61=130, Resulting Numbers: [130] 130,69 unequal: No Solution Exploring Operation: 69*61=4209, Resulting Numbers: [4209] 4209,69 unequal: No Solution Moving to Node #0,2,4 Current State: 69:[10, 1], Operations: ['69-59=10', '1/1=1'] Exploring Operation: 10-1=9, Resulting Numbers: [9] 9,69 unequal: No Solution Exploring Operation: 10+1=11, Resulting Numbers: [11] 11,69 unequal: No Solution Exploring Operation: 10/1=10, Resulting Numbers: [10] 10,69 unequal: No Solution Exploring Operation: 10*1=10, Resulting Numbers: [10] 10,69 unequal: No Solution Moving to Node #0,2,2 Current State: 69:[10, 1], Operations: ['69-59=10', '1*1=1'] Exploring Operation: 10/1=10, Resulting Numbers: [10] 10,69 unequal: No Solution Exploring Operation: 10*1=10, Resulting Numbers: [10] 10,69 unequal: No Solution Exploring Operation: 10-1=9, Resulting Numbers: [9] 9,69 unequal: No Solution Exploring Operation: 10+1=11, Resulting Numbers: [11] 11,69 unequal: No Solution Moving to Node #0,1,4 Current State: 69:[69, 60], Operations: ['1*1=1', '59+1=60'] Exploring Operation: 69-60=9, Resulting Numbers: [9] 9,69 unequal: No Solution Exploring Operation: 69+60=129, Resulting Numbers: [129] 129,69 unequal: No Solution Exploring Operation: 69*60=4140, Resulting Numbers: [4140] 4140,69 unequal: No Solution Moving to Node #0,3,4 Current State: 69:[60, 69], Operations: ['1+59=60', '69/1=69'] Exploring Operation: 60+69=129, Resulting Numbers: [129] 129,69 unequal: No Solution Exploring Operation: 69-60=9, Resulting Numbers: [9] 9,69 unequal: No Solution Exploring Operation: 60*69=4140, Resulting Numbers: [4140] 4140,69 unequal: No Solution Moving to Node #0,1,2 Current State: 69:[1, 10], Operations: ['1*1=1', '69-59=10'] Exploring Operation: 1*10=10, Resulting Numbers: [10] 10,69 unequal: No Solution Exploring Operation: 10-1=9, Resulting Numbers: [9] 9,69 unequal: No Solution Exploring Operation: 10/1=10, Resulting Numbers: [10] 10,69 unequal: No Solution Exploring Operation: 1+10=11, Resulting Numbers: [11] 11,69 unequal: No Solution Moving to Node #0,4,2 Current State: 69:[60, 69], Operations: ['1+59=60', '1*69=69'] Exploring Operation: 60*69=4140, Resulting Numbers: [4140] 4140,69 unequal: No Solution Exploring Operation: 60+69=129, Resulting Numbers: [129] 129,69 unequal: No Solution Exploring Operation: 69-60=9, Resulting Numbers: [9] 9,69 unequal: No Solution Moving to Node #0,4,4 Current State: 69:[69, 60], Operations: ['1+59=60', '1*60=60'] Exploring Operation: 69*60=4140, Resulting Numbers: [4140] 4140,69 unequal: No Solution Exploring Operation: 69+60=129, Resulting Numbers: [129] 129,69 unequal: No Solution Exploring Operation: 69-60=9, Resulting Numbers: [9] 9,69 unequal: No Solution Moving to Node #0,3,3 Current State: 69:[60, 69], Operations: ['1+59=60', '1*69=69'] Exploring Operation: 60+69=129, Resulting Numbers: [129] 129,69 unequal: No Solution Exploring Operation: 69-60=9, Resulting Numbers: [9] 9,69 unequal: No Solution Exploring Operation: 60*69=4140, Resulting Numbers: [4140] 4140,69 unequal: No Solution Moving to Node #0,4,1 Current State: 69:[60, 69], Operations: ['1+59=60', '69/1=69'] Exploring Operation: 69-60=9, Resulting Numbers: [9] 9,69 unequal: No Solution Exploring Operation: 60+69=129, Resulting Numbers: [129] 129,69 unequal: No Solution Exploring Operation: 60*69=4140, Resulting Numbers: [4140] 4140,69 unequal: No Solution Moving to Node #0,3,0 Current State: 69:[69, 60], Operations: ['1+59=60', '1*60=60'] Exploring Operation: 69*60=4140, Resulting Numbers: [4140] 4140,69 unequal: No Solution Exploring Operation: 69+60=129, Resulting Numbers: [129] 129,69 unequal: No Solution Exploring Operation: 69-60=9, Resulting Numbers: [9] 9,69 unequal: No Solution Moving to Node #0,1,3 Current State: 69:[69, 59], Operations: ['1*1=1', '59*1=59'] Exploring Operation: 69+59=128, Resulting Numbers: [128] 128,69 unequal: No Solution Exploring Operation: 69-59=10, Resulting Numbers: [10] 10,69 unequal: No Solution Exploring Operation: 69*59=4071, Resulting Numbers: [4071] 4071,69 unequal: No Solution Moving to Node #0,1,1 Current State: 69:[59, 69], Operations: ['1*1=1', '69*1=69'] Exploring Operation: 59+69=128, Resulting Numbers: [128] 128,69 unequal: No Solution Exploring Operation: 59*69=4071, Resulting Numbers: [4071] 4071,69 unequal: No Solution Exploring Operation: 69-59=10, Resulting Numbers: [10] 10,69 unequal: No Solution Moving to Node #0,1,0 Current State: 69:[59, 69], Operations: ['1*1=1', '69/1=69'] Exploring Operation: 69-59=10, Resulting Numbers: [10] 10,69 unequal: No Solution Exploring Operation: 59+69=128, Resulting Numbers: [128] 128,69 unequal: No Solution Exploring Operation: 59*69=4071, Resulting Numbers: [4071] 4071,69 unequal: No Solution Moving to Node #0,0,2 Current State: 69:[59, 71], Operations: ['1+1=2', '69+2=71'] Exploring Operation: 71-59=12, Resulting Numbers: [12] 12,69 unequal: No Solution Exploring Operation: 59*71=4189, Resulting Numbers: [4189] 4189,69 unequal: No Solution Exploring Operation: 59+71=130, Resulting Numbers: [130] 130,69 unequal: No Solution Moving to Node #0,0,0 Current State: 69:[59, 67], Operations: ['1+1=2', '69-2=67'] Exploring Operation: 59*67=3953, Resulting Numbers: [3953] 3953,69 unequal: No Solution Exploring Operation: 67-59=8, Resulting Numbers: [8] 8,69 unequal: No Solution Exploring Operation: 59+67=126, Resulting Numbers: [126] 126,69 unequal: No Solution Moving to Node #0,0,1 Current State: 69:[69, 57], Operations: ['1+1=2', '59-2=57'] Exploring Operation: 69-57=12, Resulting Numbers: [12] 12,69 unequal: No Solution Exploring Operation: 69+57=126, Resulting Numbers: [126] 126,69 unequal: No Solution Exploring Operation: 69*57=3933, Resulting Numbers: [3933] 3933,69 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 25, 11, 42, 68 ]
62
[ "25+11=36", "68-42=26", "36+26=62" ]
Current State: 62:[25, 11, 42, 68], Operations: [] Exploring Operation: 25+11=36, Resulting Numbers: [42, 68, 36] Generated Node #2: [42, 68, 36] from Operation: 25+11=36 Current State: 62:[42, 68, 36], Operations: ['25+11=36'] Exploring Operation: 68-42=26, Resulting Numbers: [36, 26] Generated Node #3: [36, 26] from Operation: 68-42=26 Current State: 62:[36, 26], Operations: ['25+11=36', '68-42=26'] Exploring Operation: 36+26=62, Resulting Numbers: [62] 62,62 equal: Goal Reached
4
Current State: 62:[25, 11, 42, 68], Operations: [] Exploring Operation: 25+42=67, Resulting Numbers: [11, 68, 67] Generated Node #0,0: 62:[11, 68, 67] Operation: 25+42=67 Exploring Operation: 42-11=31, Resulting Numbers: [25, 68, 31] Generated Node #0,1: 62:[25, 68, 31] Operation: 42-11=31 Exploring Operation: 68-42=26, Resulting Numbers: [25, 11, 26] Generated Node #0,2: 62:[25, 11, 26] Operation: 68-42=26 Moving to Node #0,1 Current State: 62:[25, 68, 31], Operations: ['42-11=31'] Exploring Operation: 25+31=56, Resulting Numbers: [68, 56] Generated Node #0,1,0: 62:[68, 56] Operation: 25+31=56 Exploring Operation: 31-25=6, Resulting Numbers: [68, 6] Generated Node #0,1,1: 62:[68, 6] Operation: 31-25=6 Exploring Operation: 68-25=43, Resulting Numbers: [31, 43] Generated Node #0,1,2: 62:[31, 43] Operation: 68-25=43 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 62:[68, 6], Operations: ['42-11=31', '31-25=6'] Exploring Operation: 68+6=74, Resulting Numbers: [74] 74,62 unequal: No Solution Exploring Operation: 68*6=408, Resulting Numbers: [408] 408,62 unequal: No Solution Exploring Operation: 68-6=62, Resulting Numbers: [62] 62,62 equal: Goal Reached Moving to Node #0 Current State: 62:[25, 11, 42, 68], Operations: [] Exploring Operation: 42-11=31, Resulting Numbers: [25, 68, 31] Generated Node #0,1: 62:[25, 68, 31] Operation: 42-11=31 Moving to Node #0,1 Current State: 62:[25, 68, 31], Operations: ['42-11=31'] Exploring Operation: 31-25=6, Resulting Numbers: [68, 6] Generated Node #0,1,1: 62:[68, 6] Operation: 31-25=6 Moving to Node #0,1,1 Current State: 62:[68, 6], Operations: ['42-11=31', '31-25=6'] Exploring Operation: 68-6=62, Resulting Numbers: [62] 62,62 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_3
mult_heuristic
[ 95, 86, 23, 6 ]
77
[ "95-86=9", "6*9=54", "23+54=77" ]
Current State: 77:[95, 86, 23, 6], Operations: [] Exploring Operation: 95-86=9, Resulting Numbers: [23, 6, 9] Generated Node #2: [23, 6, 9] from Operation: 95-86=9 Current State: 77:[23, 6, 9], Operations: ['95-86=9'] Exploring Operation: 6*9=54, Resulting Numbers: [23, 54] Generated Node #3: [23, 54] from Operation: 6*9=54 Current State: 77:[23, 54], Operations: ['95-86=9', '6*9=54'] Exploring Operation: 23+54=77, Resulting Numbers: [77] 77,77 equal: Goal Reached
4
Current State: 77:[95, 86, 23, 6], Operations: [] Exploring Operation: 95-86=9, Resulting Numbers: [23, 6, 9] Generated Node #0,0: 77:[23, 6, 9] Operation: 95-86=9 Exploring Operation: 95-23=72, Resulting Numbers: [86, 6, 72] Generated Node #0,1: 77:[86, 6, 72] Operation: 95-23=72 Start Sub Search at level 1: Moving to Node #0,0 Current State: 77:[23, 6, 9], Operations: ['95-86=9'] Exploring Operation: 23-9=14, Resulting Numbers: [6, 14] Generated Node #0,0,0: 77:[6, 14] Operation: 23-9=14 Exploring Operation: 23-6=17, Resulting Numbers: [9, 17] Generated Node #0,0,1: 77:[9, 17] Operation: 23-6=17 Moving to Node #0,0,0 Current State: 77:[6, 14], Operations: ['95-86=9', '23-9=14'] Exploring Operation: 6*14=84, Resulting Numbers: [84] 84,77 unequal: No Solution Exploring Operation: 14-6=8, Resulting Numbers: [8] 8,77 unequal: No Solution Moving to Node #0,0,1 Current State: 77:[9, 17], Operations: ['95-86=9', '23-6=17'] Exploring Operation: 17-9=8, Resulting Numbers: [8] 8,77 unequal: No Solution Exploring Operation: 9+17=26, Resulting Numbers: [26] 26,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 77:[86, 6, 72], Operations: ['95-23=72'] Exploring Operation: 86-72=14, Resulting Numbers: [6, 14] Generated Node #0,1,0: 77:[6, 14] Operation: 86-72=14 Exploring Operation: 86-6=80, Resulting Numbers: [72, 80] Generated Node #0,1,1: 77:[72, 80] Operation: 86-6=80 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 77:[6, 14], Operations: ['95-23=72', '86-72=14'] Exploring Operation: 14-6=8, Resulting Numbers: [8] 8,77 unequal: No Solution Exploring Operation: 6*14=84, Resulting Numbers: [84] 84,77 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 77:[72, 80], Operations: ['95-23=72', '86-6=80'] Exploring Operation: 72+80=152, Resulting Numbers: [152] 152,77 unequal: No Solution Exploring Operation: 80-72=8, Resulting Numbers: [8] 8,77 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 50, 32, 10, 14 ]
23
[ "50/10=5", "32-14=18", "5+18=23" ]
Current State: 23:[50, 32, 10, 14], Operations: [] Exploring Operation: 50/10=5, Resulting Numbers: [32, 14, 5] Generated Node #2: [32, 14, 5] from Operation: 50/10=5 Current State: 23:[32, 14, 5], Operations: ['50/10=5'] Exploring Operation: 32-14=18, Resulting Numbers: [5, 18] Generated Node #3: [5, 18] from Operation: 32-14=18 Current State: 23:[5, 18], Operations: ['50/10=5', '32-14=18'] Exploring Operation: 5+18=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
4
Current State: 23:[50, 32, 10, 14], Operations: [] Exploring Operation: 50-32=18, Resulting Numbers: [10, 14, 18] Generated Node #0,0: 23:[10, 14, 18] Operation: 50-32=18 Exploring Operation: 50/10=5, Resulting Numbers: [32, 14, 5] Generated Node #0,1: 23:[32, 14, 5] Operation: 50/10=5 Exploring Operation: 50-10=40, Resulting Numbers: [32, 14, 40] Generated Node #0,2: 23:[32, 14, 40] Operation: 50-10=40 Exploring Operation: 50-14=36, Resulting Numbers: [32, 10, 36] Generated Node #0,3: 23:[32, 10, 36] Operation: 50-14=36 Exploring Operation: 32-10=22, Resulting Numbers: [50, 14, 22] Generated Node #0,4: 23:[50, 14, 22] Operation: 32-10=22 Moving to Node #0,0 Current State: 23:[10, 14, 18], Operations: ['50-32=18'] Exploring Operation: 14-10=4, Resulting Numbers: [18, 4] Generated Node #0,0,0: 23:[18, 4] Operation: 14-10=4 Exploring Operation: 18-10=8, Resulting Numbers: [14, 8] Generated Node #0,0,1: 23:[14, 8] Operation: 18-10=8 Exploring Operation: 14+18=32, Resulting Numbers: [10, 32] Generated Node #0,0,2: 23:[10, 32] Operation: 14+18=32 Exploring Operation: 10+14=24, Resulting Numbers: [18, 24] Generated Node #0,0,3: 23:[18, 24] Operation: 10+14=24 Exploring Operation: 10+18=28, Resulting Numbers: [14, 28] Generated Node #0,0,4: 23:[14, 28] Operation: 10+18=28 Moving to Node #0,3 Current State: 23:[32, 10, 36], Operations: ['50-14=36'] Exploring Operation: 36-10=26, Resulting Numbers: [32, 26] Generated Node #0,3,0: 23:[32, 26] Operation: 36-10=26 Exploring Operation: 36-32=4, Resulting Numbers: [10, 4] Generated Node #0,3,1: 23:[10, 4] Operation: 36-32=4 Exploring Operation: 32+10=42, Resulting Numbers: [36, 42] Generated Node #0,3,2: 23:[36, 42] Operation: 32+10=42 Exploring Operation: 32-10=22, Resulting Numbers: [36, 22] Generated Node #0,3,3: 23:[36, 22] Operation: 32-10=22 Exploring Operation: 10+36=46, Resulting Numbers: [32, 46] Generated Node #0,3,4: 23:[32, 46] Operation: 10+36=46 Moving to Node #0,2 Current State: 23:[32, 14, 40], Operations: ['50-10=40'] Exploring Operation: 32-14=18, Resulting Numbers: [40, 18] Generated Node #0,2,0: 23:[40, 18] Operation: 32-14=18 Exploring Operation: 40-32=8, Resulting Numbers: [14, 8] Generated Node #0,2,1: 23:[14, 8] Operation: 40-32=8 Exploring Operation: 32+14=46, Resulting Numbers: [40, 46] Generated Node #0,2,2: 23:[40, 46] Operation: 32+14=46 Exploring Operation: 40-14=26, Resulting Numbers: [32, 26] Generated Node #0,2,3: 23:[32, 26] Operation: 40-14=26 Exploring Operation: 14+40=54, Resulting Numbers: [32, 54] Generated Node #0,2,4: 23:[32, 54] Operation: 14+40=54 Moving to Node #0,1 Current State: 23:[32, 14, 5], Operations: ['50/10=5'] Exploring Operation: 32+5=37, Resulting Numbers: [14, 37] Generated Node #0,1,0: 23:[14, 37] Operation: 32+5=37 Exploring Operation: 32-14=18, Resulting Numbers: [5, 18] Generated Node #0,1,1: 23:[5, 18] Operation: 32-14=18 Exploring Operation: 14+5=19, Resulting Numbers: [32, 19] Generated Node #0,1,2: 23:[32, 19] Operation: 14+5=19 Exploring Operation: 32-5=27, Resulting Numbers: [14, 27] Generated Node #0,1,3: 23:[14, 27] Operation: 32-5=27 Exploring Operation: 14-5=9, Resulting Numbers: [32, 9] Generated Node #0,1,4: 23:[32, 9] Operation: 14-5=9 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 23:[32, 19], Operations: ['50/10=5', '14+5=19'] Exploring Operation: 32*19=608, Resulting Numbers: [608] 608,23 unequal: No Solution Exploring Operation: 32-19=13, Resulting Numbers: [13] 13,23 unequal: No Solution Exploring Operation: 32+19=51, Resulting Numbers: [51] 51,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 23:[14, 27], Operations: ['50/10=5', '32-5=27'] Exploring Operation: 14*27=378, Resulting Numbers: [378] 378,23 unequal: No Solution Exploring Operation: 14+27=41, Resulting Numbers: [41] 41,23 unequal: No Solution Exploring Operation: 27-14=13, Resulting Numbers: [13] 13,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 23:[14, 37], Operations: ['50/10=5', '32+5=37'] Exploring Operation: 14+37=51, Resulting Numbers: [51] 51,23 unequal: No Solution Exploring Operation: 14*37=518, Resulting Numbers: [518] 518,23 unequal: No Solution Exploring Operation: 37-14=23, Resulting Numbers: [23] 23,23 equal: Goal Reached Moving to Node #0 Current State: 23:[50, 32, 10, 14], Operations: [] Exploring Operation: 50/10=5, Resulting Numbers: [32, 14, 5] Generated Node #0,1: 23:[32, 14, 5] Operation: 50/10=5 Moving to Node #0,1 Current State: 23:[32, 14, 5], Operations: ['50/10=5'] Exploring Operation: 32+5=37, Resulting Numbers: [14, 37] Generated Node #0,1,0: 23:[14, 37] Operation: 32+5=37 Moving to Node #0,1,0 Current State: 23:[14, 37], Operations: ['50/10=5', '32+5=37'] Exploring Operation: 37-14=23, Resulting Numbers: [23] 23,23 equal: Goal Reached Exit Sub Search at level 1
0.967014
hs_5
sum_heuristic
[ 18, 62, 54, 96 ]
30
[ "54/18=3", "96/3=32", "62-32=30" ]
Current State: 30:[18, 62, 54, 96], Operations: [] Exploring Operation: 54/18=3, Resulting Numbers: [62, 96, 3] Generated Node #2: [62, 96, 3] from Operation: 54/18=3 Current State: 30:[62, 96, 3], Operations: ['54/18=3'] Exploring Operation: 96/3=32, Resulting Numbers: [62, 32] Generated Node #3: [62, 32] from Operation: 96/3=32 Current State: 30:[62, 32], Operations: ['54/18=3', '96/3=32'] Exploring Operation: 62-32=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
4
Current State: 30:[18, 62, 54, 96], Operations: [] Exploring Operation: 54/18=3, Resulting Numbers: [62, 96, 3] Generated Node #0,0: 30:[62, 96, 3] Operation: 54/18=3 Exploring Operation: 62-54=8, Resulting Numbers: [18, 96, 8] Generated Node #0,1: 30:[18, 96, 8] Operation: 62-54=8 Exploring Operation: 62-18=44, Resulting Numbers: [54, 96, 44] Generated Node #0,2: 30:[54, 96, 44] Operation: 62-18=44 Exploring Operation: 96-54=42, Resulting Numbers: [18, 62, 42] Generated Node #0,3: 30:[18, 62, 42] Operation: 96-54=42 Exploring Operation: 96-62=34, Resulting Numbers: [18, 54, 34] Generated Node #0,4: 30:[18, 54, 34] Operation: 96-62=34 Start Sub Search at level 1: Moving to Node #0,4 Current State: 30:[18, 54, 34], Operations: ['96-62=34'] Exploring Operation: 54/18=3, Resulting Numbers: [34, 3] Generated Node #0,4,0: 30:[34, 3] Operation: 54/18=3 Exploring Operation: 34-18=16, Resulting Numbers: [54, 16] Generated Node #0,4,1: 30:[54, 16] Operation: 34-18=16 Exploring Operation: 18+54=72, Resulting Numbers: [34, 72] Generated Node #0,4,2: 30:[34, 72] Operation: 18+54=72 Exploring Operation: 54-18=36, Resulting Numbers: [34, 36] Generated Node #0,4,3: 30:[34, 36] Operation: 54-18=36 Exploring Operation: 54-34=20, Resulting Numbers: [18, 20] Generated Node #0,4,4: 30:[18, 20] Operation: 54-34=20 Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 30:[34, 3], Operations: ['96-62=34', '54/18=3'] Exploring Operation: 34-3=31, Resulting Numbers: [31] 31,30 unequal: No Solution Exploring Operation: 34*3=102, Resulting Numbers: [102] 102,30 unequal: No Solution Exploring Operation: 34+3=37, Resulting Numbers: [37] 37,30 unequal: No Solution No 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: 30:[18, 20], Operations: ['96-62=34', '54-34=20'] Exploring Operation: 18+20=38, Resulting Numbers: [38] 38,30 unequal: No Solution Exploring Operation: 20-18=2, Resulting Numbers: [2] 2,30 unequal: No Solution Exploring Operation: 18*20=360, Resulting Numbers: [360] 360,30 unequal: No Solution No 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: 30:[34, 36], Operations: ['96-62=34', '54-18=36'] Exploring Operation: 36-34=2, Resulting Numbers: [2] 2,30 unequal: No Solution Exploring Operation: 34+36=70, Resulting Numbers: [70] 70,30 unequal: No Solution Exploring Operation: 34*36=1224, Resulting Numbers: [1224] 1224,30 unequal: No Solution No 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: 30:[54, 16], Operations: ['96-62=34', '34-18=16'] Exploring Operation: 54*16=864, Resulting Numbers: [864] 864,30 unequal: No Solution Exploring Operation: 54+16=70, Resulting Numbers: [70] 70,30 unequal: No Solution Exploring Operation: 54-16=38, Resulting Numbers: [38] 38,30 unequal: No Solution No 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: 30:[34, 72], Operations: ['96-62=34', '18+54=72'] Exploring Operation: 34*72=2448, Resulting Numbers: [2448] 2448,30 unequal: No Solution Exploring Operation: 34+72=106, Resulting Numbers: [106] 106,30 unequal: No Solution Exploring Operation: 72-34=38, Resulting Numbers: [38] 38,30 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: 30:[18, 62, 42], Operations: ['96-54=42'] Exploring Operation: 42-18=24, Resulting Numbers: [62, 24] Generated Node #0,3,0: 30:[62, 24] Operation: 42-18=24 Exploring Operation: 18+62=80, Resulting Numbers: [42, 80] Generated Node #0,3,1: 30:[42, 80] Operation: 18+62=80 Exploring Operation: 62-18=44, Resulting Numbers: [42, 44] Generated Node #0,3,2: 30:[42, 44] Operation: 62-18=44 Exploring Operation: 62-42=20, Resulting Numbers: [18, 20] Generated Node #0,3,3: 30:[18, 20] Operation: 62-42=20 Exploring Operation: 18+42=60, Resulting Numbers: [62, 60] Generated Node #0,3,4: 30:[62, 60] Operation: 18+42=60 Moving to Node #0,3,3 Current State: 30:[18, 20], Operations: ['96-54=42', '62-42=20'] Exploring Operation: 20-18=2, Resulting Numbers: [2] 2,30 unequal: No Solution Exploring Operation: 18+20=38, Resulting Numbers: [38] 38,30 unequal: No Solution Exploring Operation: 18*20=360, Resulting Numbers: [360] 360,30 unequal: No Solution Moving to Node #0,3,2 Current State: 30:[42, 44], Operations: ['96-54=42', '62-18=44'] Exploring Operation: 42*44=1848, Resulting Numbers: [1848] 1848,30 unequal: No Solution Exploring Operation: 44-42=2, Resulting Numbers: [2] 2,30 unequal: No Solution Exploring Operation: 42+44=86, Resulting Numbers: [86] 86,30 unequal: No Solution Moving to Node #0,3,0 Current State: 30:[62, 24], Operations: ['96-54=42', '42-18=24'] Exploring Operation: 62+24=86, Resulting Numbers: [86] 86,30 unequal: No Solution Exploring Operation: 62-24=38, Resulting Numbers: [38] 38,30 unequal: No Solution Exploring Operation: 62*24=1488, Resulting Numbers: [1488] 1488,30 unequal: No Solution Moving to Node #0,3,1 Current State: 30:[42, 80], Operations: ['96-54=42', '18+62=80'] Exploring Operation: 42*80=3360, Resulting Numbers: [3360] 3360,30 unequal: No Solution Exploring Operation: 80-42=38, Resulting Numbers: [38] 38,30 unequal: No Solution Exploring Operation: 42+80=122, Resulting Numbers: [122] 122,30 unequal: No Solution Moving to Node #0,3,4 Current State: 30:[62, 60], Operations: ['96-54=42', '18+42=60'] Exploring Operation: 62*60=3720, Resulting Numbers: [3720] 3720,30 unequal: No Solution Exploring Operation: 62+60=122, Resulting Numbers: [122] 122,30 unequal: No Solution Exploring Operation: 62-60=2, Resulting Numbers: [2] 2,30 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 Current State: 30:[18, 96, 8], Operations: ['62-54=8'] Exploring Operation: 96-8=88, Resulting Numbers: [18, 88] Generated Node #0,1,0: 30:[18, 88] Operation: 96-8=88 Exploring Operation: 96/8=12, Resulting Numbers: [18, 12] Generated Node #0,1,1: 30:[18, 12] Operation: 96/8=12 Exploring Operation: 96-18=78, Resulting Numbers: [8, 78] Generated Node #0,1,2: 30:[8, 78] Operation: 96-18=78 Exploring Operation: 18+8=26, Resulting Numbers: [96, 26] Generated Node #0,1,3: 30:[96, 26] Operation: 18+8=26 Exploring Operation: 18-8=10, Resulting Numbers: [96, 10] Generated Node #0,1,4: 30:[96, 10] Operation: 18-8=10 Moving to Node #0,1,1 Current State: 30:[18, 12], Operations: ['62-54=8', '96/8=12'] Exploring Operation: 18-12=6, Resulting Numbers: [6] 6,30 unequal: No Solution Exploring Operation: 18+12=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Moving to Node #0 Current State: 30:[18, 62, 54, 96], Operations: [] Exploring Operation: 62-54=8, Resulting Numbers: [18, 96, 8] Generated Node #0,1: 30:[18, 96, 8] Operation: 62-54=8 Moving to Node #0,1 Current State: 30:[18, 96, 8], Operations: ['62-54=8'] Exploring Operation: 96/8=12, Resulting Numbers: [18, 12] Generated Node #0,1,1: 30:[18, 12] Operation: 96/8=12 Moving to Node #0,1,1 Current State: 30:[18, 12], Operations: ['62-54=8', '96/8=12'] Exploring Operation: 18+12=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Exit Sub Search at level 1
0.951389
hs_5
sum_heuristic
[ 69, 68, 56, 93 ]
92
[ "68+56=124", "69*124=8556", "8556/93=92" ]
Current State: 92:[69, 68, 56, 93], Operations: [] Exploring Operation: 68+56=124, Resulting Numbers: [69, 93, 124] Generated Node #2: [69, 93, 124] from Operation: 68+56=124 Current State: 92:[69, 93, 124], Operations: ['68+56=124'] Exploring Operation: 69*124=8556, Resulting Numbers: [93, 8556] Generated Node #3: [93, 8556] from Operation: 69*124=8556 Current State: 92:[93, 8556], Operations: ['68+56=124', '69*124=8556'] Exploring Operation: 8556/93=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
4
Current State: 92:[69, 68, 56, 93], Operations: [] Exploring Operation: 68-56=12, Resulting Numbers: [69, 93, 12] Generated Node #0,0: 92:[69, 93, 12] Operation: 68-56=12 Exploring Operation: 93-69=24, Resulting Numbers: [68, 56, 24] Generated Node #0,1: 92:[68, 56, 24] Operation: 93-69=24 Exploring Operation: 69-56=13, Resulting Numbers: [68, 93, 13] Generated Node #0,2: 92:[68, 93, 13] Operation: 69-56=13 Exploring Operation: 69-68=1, Resulting Numbers: [56, 93, 1] Generated Node #0,3: 92:[56, 93, 1] Operation: 69-68=1 Start Sub Search at level 1: Moving to Node #0,3 Current State: 92:[56, 93, 1], Operations: ['69-68=1'] Exploring Operation: 93-56=37, Resulting Numbers: [1, 37] Generated Node #0,3,0: 92:[1, 37] Operation: 93-56=37 Exploring Operation: 93-1=92, Resulting Numbers: [56, 92] Generated Node #0,3,1: 92:[56, 92] Operation: 93-1=92 Exploring Operation: 56-1=55, Resulting Numbers: [93, 55] Generated Node #0,3,2: 92:[93, 55] Operation: 56-1=55 Exploring Operation: 56*1=56, Resulting Numbers: [93, 56] Generated Node #0,3,3: 92:[93, 56] Operation: 56*1=56 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 92:[1, 37], Operations: ['69-68=1', '93-56=37'] Exploring Operation: 1+37=38, Resulting Numbers: [38] 38,92 unequal: No Solution Exploring Operation: 37/1=37, Resulting Numbers: [37] 37,92 unequal: No Solution Exploring Operation: 37-1=36, Resulting Numbers: [36] 36,92 unequal: No Solution Exploring Operation: 1*37=37, Resulting Numbers: [37] 37,92 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 #0,3,1 Current State: 92:[56, 92], Operations: ['69-68=1', '93-1=92'] Exploring Operation: 92-56=36, Resulting Numbers: [36] 36,92 unequal: No Solution Exploring Operation: 56*92=5152, Resulting Numbers: [5152] 5152,92 unequal: No Solution Exploring Operation: 56+92=148, Resulting Numbers: [148] 148,92 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 #0,3,2 Current State: 92:[93, 55], Operations: ['69-68=1', '56-1=55'] Exploring Operation: 93*55=5115, Resulting Numbers: [5115] 5115,92 unequal: No Solution Exploring Operation: 93+55=148, Resulting Numbers: [148] 148,92 unequal: No Solution Exploring Operation: 93-55=38, Resulting Numbers: [38] 38,92 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 #0,3,3 Current State: 92:[93, 56], Operations: ['69-68=1', '56*1=56'] Exploring Operation: 93-56=37, Resulting Numbers: [37] 37,92 unequal: No Solution Exploring Operation: 93+56=149, Resulting Numbers: [149] 149,92 unequal: No Solution Exploring Operation: 93*56=5208, Resulting Numbers: [5208] 5208,92 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 Start Sub Search at level 1: Moving to Node #0,0 Current State: 92:[69, 93, 12], Operations: ['68-56=12'] Exploring Operation: 69+12=81, Resulting Numbers: [93, 81] Generated Node #0,0,0: 92:[93, 81] Operation: 69+12=81 Exploring Operation: 93-12=81, Resulting Numbers: [69, 81] Generated Node #0,0,1: 92:[69, 81] Operation: 93-12=81 Exploring Operation: 69-12=57, Resulting Numbers: [93, 57] Generated Node #0,0,2: 92:[93, 57] Operation: 69-12=57 Exploring Operation: 93-69=24, Resulting Numbers: [12, 24] Generated Node #0,0,3: 92:[12, 24] Operation: 93-69=24 Moving to Node #0,0,3 Current State: 92:[12, 24], Operations: ['68-56=12', '93-69=24'] Exploring Operation: 12+24=36, Resulting Numbers: [36] 36,92 unequal: No Solution Exploring Operation: 24-12=12, Resulting Numbers: [12] 12,92 unequal: No Solution Exploring Operation: 12*24=288, Resulting Numbers: [288] 288,92 unequal: No Solution Exploring Operation: 24/12=2, Resulting Numbers: [2] 2,92 unequal: No Solution Moving to Node #0,0,2 Current State: 92:[93, 57], Operations: ['68-56=12', '69-12=57'] Exploring Operation: 93*57=5301, Resulting Numbers: [5301] 5301,92 unequal: No Solution Exploring Operation: 93-57=36, Resulting Numbers: [36] 36,92 unequal: No Solution Exploring Operation: 93+57=150, Resulting Numbers: [150] 150,92 unequal: No Solution Moving to Node #0,0,0 Current State: 92:[93, 81], Operations: ['68-56=12', '69+12=81'] Exploring Operation: 93+81=174, Resulting Numbers: [174] 174,92 unequal: No Solution Exploring Operation: 93-81=12, Resulting Numbers: [12] 12,92 unequal: No Solution Exploring Operation: 93*81=7533, Resulting Numbers: [7533] 7533,92 unequal: No Solution Moving to Node #0,0,1 Current State: 92:[69, 81], Operations: ['68-56=12', '93-12=81'] Exploring Operation: 81-69=12, Resulting Numbers: [12] 12,92 unequal: No Solution Exploring Operation: 69*81=5589, Resulting Numbers: [5589] 5589,92 unequal: No Solution Exploring Operation: 69+81=150, Resulting Numbers: [150] 150,92 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:[68, 93, 13], Operations: ['69-56=13'] Exploring Operation: 93-68=25, Resulting Numbers: [13, 25] Generated Node #0,2,0: 92:[13, 25] Operation: 93-68=25 Exploring Operation: 93-13=80, Resulting Numbers: [68, 80] Generated Node #0,2,1: 92:[68, 80] Operation: 93-13=80 Exploring Operation: 68-13=55, Resulting Numbers: [93, 55] Generated Node #0,2,2: 92:[93, 55] Operation: 68-13=55 Exploring Operation: 68+13=81, Resulting Numbers: [93, 81] Generated Node #0,2,3: 92:[93, 81] Operation: 68+13=81 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 92:[93, 55], Operations: ['69-56=13', '68-13=55'] Exploring Operation: 93*55=5115, Resulting Numbers: [5115] 5115,92 unequal: No Solution Exploring Operation: 93+55=148, Resulting Numbers: [148] 148,92 unequal: No Solution Exploring Operation: 93-55=38, Resulting Numbers: [38] 38,92 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:[13, 25], Operations: ['69-56=13', '93-68=25'] Exploring Operation: 13*25=325, Resulting Numbers: [325] 325,92 unequal: No Solution Exploring Operation: 13+25=38, Resulting Numbers: [38] 38,92 unequal: No Solution Exploring Operation: 25-13=12, Resulting Numbers: [12] 12,92 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 #0,2,3 Current State: 92:[93, 81], Operations: ['69-56=13', '68+13=81'] Exploring Operation: 93-81=12, Resulting Numbers: [12] 12,92 unequal: No Solution Exploring Operation: 93+81=174, Resulting Numbers: [174] 174,92 unequal: No Solution Exploring Operation: 93*81=7533, Resulting Numbers: [7533] 7533,92 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 #0,2,1 Current State: 92:[68, 80], Operations: ['69-56=13', '93-13=80'] Exploring Operation: 68*80=5440, Resulting Numbers: [5440] 5440,92 unequal: No Solution Exploring Operation: 80-68=12, Resulting Numbers: [12] 12,92 unequal: No Solution Exploring Operation: 68+80=148, Resulting Numbers: [148] 148,92 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 Start Sub Search at level 1: Moving to Node #0,1 Current State: 92:[68, 56, 24], Operations: ['93-69=24'] Exploring Operation: 68-24=44, Resulting Numbers: [56, 44] Generated Node #0,1,0: 92:[56, 44] Operation: 68-24=44 Exploring Operation: 68+24=92, Resulting Numbers: [56, 92] Generated Node #0,1,1: 92:[56, 92] Operation: 68+24=92 Exploring Operation: 68-56=12, Resulting Numbers: [24, 12] Generated Node #0,1,2: 92:[24, 12] Operation: 68-56=12 Exploring Operation: 56-24=32, Resulting Numbers: [68, 32] Generated Node #0,1,3: 92:[68, 32] Operation: 56-24=32 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 92:[24, 12], Operations: ['93-69=24', '68-56=12'] Exploring Operation: 24/12=2, Resulting Numbers: [2] 2,92 unequal: No Solution Exploring Operation: 24*12=288, Resulting Numbers: [288] 288,92 unequal: No Solution Exploring Operation: 24+12=36, Resulting Numbers: [36] 36,92 unequal: No Solution Exploring Operation: 24-12=12, Resulting Numbers: [12] 12,92 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 #0,1,1 Current State: 92:[56, 92], Operations: ['93-69=24', '68+24=92'] Exploring Operation: 56+92=148, Resulting Numbers: [148] 148,92 unequal: No Solution Exploring Operation: 56*92=5152, Resulting Numbers: [5152] 5152,92 unequal: No Solution Exploring Operation: 92-56=36, Resulting Numbers: [36] 36,92 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 #0,1,0 Current State: 92:[56, 44], Operations: ['93-69=24', '68-24=44'] Exploring Operation: 56+44=100, Resulting Numbers: [100] 100,92 unequal: No Solution Exploring Operation: 56*44=2464, Resulting Numbers: [2464] 2464,92 unequal: No Solution Exploring Operation: 56-44=12, Resulting Numbers: [12] 12,92 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 #0,1,3 Current State: 92:[68, 32], Operations: ['93-69=24', '56-24=32'] Exploring Operation: 68+32=100, Resulting Numbers: [100] 100,92 unequal: No Solution Exploring Operation: 68-32=36, Resulting Numbers: [36] 36,92 unequal: No Solution Exploring Operation: 68*32=2176, Resulting Numbers: [2176] 2176,92 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_4
mult_heuristic
[ 87, 7, 31, 88 ]
38
[ "88-87=1", "7+31=38", "1*38=38" ]
Current State: 38:[87, 7, 31, 88], Operations: [] Exploring Operation: 88-87=1, Resulting Numbers: [7, 31, 1] Generated Node #2: [7, 31, 1] from Operation: 88-87=1 Current State: 38:[7, 31, 1], Operations: ['88-87=1'] Exploring Operation: 7+31=38, Resulting Numbers: [1, 38] Generated Node #3: [1, 38] from Operation: 7+31=38 Current State: 38:[1, 38], Operations: ['88-87=1', '7+31=38'] Exploring Operation: 1*38=38, Resulting Numbers: [38] 38,38 equal: Goal Reached
4
Current State: 38:[87, 7, 31, 88], Operations: [] Exploring Operation: 88-31=57, Resulting Numbers: [87, 7, 57] Generated Node #0,0: 38:[87, 7, 57] Operation: 88-31=57 Exploring Operation: 88-87=1, Resulting Numbers: [7, 31, 1] Generated Node #0,1: 38:[7, 31, 1] Operation: 88-87=1 Exploring Operation: 87-31=56, Resulting Numbers: [7, 88, 56] Generated Node #0,2: 38:[7, 88, 56] Operation: 87-31=56 Moving to Node #0,1 Current State: 38:[7, 31, 1], Operations: ['88-87=1'] Exploring Operation: 7-1=6, Resulting Numbers: [31, 6] Generated Node #0,1,0: 38:[31, 6] Operation: 7-1=6 Exploring Operation: 31-7=24, Resulting Numbers: [1, 24] Generated Node #0,1,1: 38:[1, 24] Operation: 31-7=24 Exploring Operation: 7+31=38, Resulting Numbers: [1, 38] Generated Node #0,1,2: 38:[1, 38] Operation: 7+31=38 Moving to Node #0,0 Current State: 38:[87, 7, 57], Operations: ['88-31=57'] Exploring Operation: 57-7=50, Resulting Numbers: [87, 50] Generated Node #0,0,0: 38:[87, 50] Operation: 57-7=50 Exploring Operation: 87-7=80, Resulting Numbers: [57, 80] Generated Node #0,0,1: 38:[57, 80] Operation: 87-7=80 Exploring Operation: 87-57=30, Resulting Numbers: [7, 30] Generated Node #0,0,2: 38:[7, 30] Operation: 87-57=30 Moving to Node #0,2 Current State: 38:[7, 88, 56], Operations: ['87-31=56'] Exploring Operation: 88-56=32, Resulting Numbers: [7, 32] Generated Node #0,2,0: 38:[7, 32] Operation: 88-56=32 Exploring Operation: 88-7=81, Resulting Numbers: [56, 81] Generated Node #0,2,1: 38:[56, 81] Operation: 88-7=81 Exploring Operation: 56/7=8, Resulting Numbers: [88, 8] Generated Node #0,2,2: 38:[88, 8] Operation: 56/7=8 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 38:[7, 32], Operations: ['87-31=56', '88-56=32'] Exploring Operation: 7+32=39, Resulting Numbers: [39] 39,38 unequal: No Solution Exploring Operation: 7*32=224, Resulting Numbers: [224] 224,38 unequal: No Solution Exploring Operation: 32-7=25, Resulting Numbers: [25] 25,38 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 38:[88, 8], Operations: ['87-31=56', '56/7=8'] Exploring Operation: 88-8=80, Resulting Numbers: [80] 80,38 unequal: No Solution Exploring Operation: 88/8=11, Resulting Numbers: [11] 11,38 unequal: No Solution Exploring Operation: 88+8=96, Resulting Numbers: [96] 96,38 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 38:[56, 81], Operations: ['87-31=56', '88-7=81'] Exploring Operation: 56+81=137, Resulting Numbers: [137] 137,38 unequal: No Solution Exploring Operation: 81-56=25, Resulting Numbers: [25] 25,38 unequal: No Solution Exploring Operation: 56*81=4536, Resulting Numbers: [4536] 4536,38 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1,2 Current State: 38:[1, 38], Operations: ['88-87=1', '7+31=38'] Exploring Operation: 1*38=38, Resulting Numbers: [38] 38,38 equal: Goal Reached Moving to Node #0 Current State: 38:[87, 7, 31, 88], Operations: [] Exploring Operation: 88-87=1, Resulting Numbers: [7, 31, 1] Generated Node #0,1: 38:[7, 31, 1] Operation: 88-87=1 Moving to Node #0,1 Current State: 38:[7, 31, 1], Operations: ['88-87=1'] Exploring Operation: 7+31=38, Resulting Numbers: [1, 38] Generated Node #0,1,2: 38:[1, 38] Operation: 7+31=38 Moving to Node #0,1,2 Current State: 38:[1, 38], Operations: ['88-87=1', '7+31=38'] Exploring Operation: 1*38=38, Resulting Numbers: [38] 38,38 equal: Goal Reached
0.977431
hs_3
sum_heuristic
[ 50, 1, 72, 77 ]
100
[ "50-1=49", "72+77=149", "149-49=100" ]
Current State: 100:[50, 1, 72, 77], Operations: [] Exploring Operation: 50-1=49, Resulting Numbers: [72, 77, 49] Generated Node #2: [72, 77, 49] from Operation: 50-1=49 Current State: 100:[72, 77, 49], Operations: ['50-1=49'] Exploring Operation: 72+77=149, Resulting Numbers: [49, 149] Generated Node #3: [49, 149] from Operation: 72+77=149 Current State: 100:[49, 149], Operations: ['50-1=49', '72+77=149'] Exploring Operation: 149-49=100, Resulting Numbers: [100] 100,100 equal: Goal Reached
4
Current State: 100:[50, 1, 72, 77], Operations: [] Exploring Operation: 77-72=5, Resulting Numbers: [50, 1, 5] Generated Node #0,0: 100:[50, 1, 5] Operation: 77-72=5 Moving to Node #0,0 Current State: 100:[50, 1, 5], Operations: ['77-72=5'] Exploring Operation: 50*1=50, Resulting Numbers: [5, 50] Generated Node #0,0,0: 100:[5, 50] Operation: 50*1=50 Moving to Node #0,0,0 Current State: 100:[5, 50], Operations: ['77-72=5', '50*1=50'] Exploring Operation: 50/5=10, Resulting Numbers: [10] 10,100 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 68, 72, 18, 3 ]
56
[ "72/18=4", "3*4=12", "68-12=56" ]
Current State: 56:[68, 72, 18, 3], Operations: [] Exploring Operation: 72/18=4, Resulting Numbers: [68, 3, 4] Generated Node #2: [68, 3, 4] from Operation: 72/18=4 Current State: 56:[68, 3, 4], Operations: ['72/18=4'] Exploring Operation: 3*4=12, Resulting Numbers: [68, 12] Generated Node #3: [68, 12] from Operation: 3*4=12 Current State: 56:[68, 12], Operations: ['72/18=4', '3*4=12'] Exploring Operation: 68-12=56, Resulting Numbers: [56] 56,56 equal: Goal Reached
4
Current State: 56:[68, 72, 18, 3], Operations: [] Exploring Operation: 72-68=4, Resulting Numbers: [18, 3, 4] Generated Node #0,0: 56:[18, 3, 4] Operation: 72-68=4 Exploring Operation: 72/18=4, Resulting Numbers: [68, 3, 4] Generated Node #0,1: 56:[68, 3, 4] Operation: 72/18=4 Moving to Node #0,0 Current State: 56:[18, 3, 4], Operations: ['72-68=4'] Exploring Operation: 18-3=15, Resulting Numbers: [4, 15] Generated Node #0,0,0: 56:[4, 15] Operation: 18-3=15 Exploring Operation: 18/3=6, Resulting Numbers: [4, 6] Generated Node #0,0,1: 56:[4, 6] Operation: 18/3=6 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 56:[4, 15], Operations: ['72-68=4', '18-3=15'] Exploring Operation: 4*15=60, Resulting Numbers: [60] 60,56 unequal: No Solution Exploring Operation: 15-4=11, Resulting Numbers: [11] 11,56 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 56:[4, 6], Operations: ['72-68=4', '18/3=6'] Exploring Operation: 4+6=10, Resulting Numbers: [10] 10,56 unequal: No Solution Exploring Operation: 6-4=2, Resulting Numbers: [2] 2,56 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: 56:[68, 3, 4], Operations: ['72/18=4'] Exploring Operation: 68-3=65, Resulting Numbers: [4, 65] Generated Node #0,1,0: 56:[4, 65] Operation: 68-3=65 Exploring Operation: 68/4=17, Resulting Numbers: [3, 17] Generated Node #0,1,1: 56:[3, 17] Operation: 68/4=17 Moving to Node #0,1,1 Current State: 56:[3, 17], Operations: ['72/18=4', '68/4=17'] Exploring Operation: 3*17=51, Resulting Numbers: [51] 51,56 unequal: No Solution Exploring Operation: 17-3=14, Resulting Numbers: [14] 14,56 unequal: No Solution Moving to Node #0,1,0 Current State: 56:[4, 65], Operations: ['72/18=4', '68-3=65'] Exploring Operation: 65-4=61, Resulting Numbers: [61] 61,56 unequal: No Solution Exploring Operation: 4+65=69, Resulting Numbers: [69] 69,56 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 63, 7, 16, 1 ]
50
[ "63-1=62", "7*16=112", "112-62=50" ]
Current State: 50:[63, 7, 16, 1], Operations: [] Exploring Operation: 63-1=62, Resulting Numbers: [7, 16, 62] Generated Node #2: [7, 16, 62] from Operation: 63-1=62 Current State: 50:[7, 16, 62], Operations: ['63-1=62'] Exploring Operation: 7*16=112, Resulting Numbers: [62, 112] Generated Node #3: [62, 112] from Operation: 7*16=112 Current State: 50:[62, 112], Operations: ['63-1=62', '7*16=112'] Exploring Operation: 112-62=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[63, 7, 16, 1], Operations: [] Exploring Operation: 63/7=9, Resulting Numbers: [16, 1, 9] Generated Node #0,0: 50:[16, 1, 9] Operation: 63/7=9 Exploring Operation: 7+16=23, Resulting Numbers: [63, 1, 23] Generated Node #0,1: 50:[63, 1, 23] Operation: 7+16=23 Exploring Operation: 63-7=56, Resulting Numbers: [16, 1, 56] Generated Node #0,2: 50:[16, 1, 56] Operation: 63-7=56 Exploring Operation: 63-16=47, Resulting Numbers: [7, 1, 47] Generated Node #0,3: 50:[7, 1, 47] Operation: 63-16=47 Exploring Operation: 16-7=9, Resulting Numbers: [63, 1, 9] Generated Node #0,4: 50:[63, 1, 9] Operation: 16-7=9 Start Sub Search at level 1: Moving to Node #0,3 Current State: 50:[7, 1, 47], Operations: ['63-16=47'] Exploring Operation: 7*1=7, Resulting Numbers: [47, 7] Generated Node #0,3,0: 50:[47, 7] Operation: 7*1=7 Exploring Operation: 1+47=48, Resulting Numbers: [7, 48] Generated Node #0,3,1: 50:[7, 48] Operation: 1+47=48 Exploring Operation: 7+1=8, Resulting Numbers: [47, 8] Generated Node #0,3,2: 50:[47, 8] Operation: 7+1=8 Exploring Operation: 7/1=7, Resulting Numbers: [47, 7] Generated Node #0,3,3: 50:[47, 7] Operation: 7/1=7 Exploring Operation: 7-1=6, Resulting Numbers: [47, 6] Generated Node #0,3,4: 50:[47, 6] Operation: 7-1=6 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 50:[7, 48], Operations: ['63-16=47', '1+47=48'] Exploring Operation: 48-7=41, Resulting Numbers: [41] 41,50 unequal: No Solution Exploring Operation: 7+48=55, Resulting Numbers: [55] 55,50 unequal: No Solution Exploring Operation: 7*48=336, Resulting Numbers: [336] 336,50 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 50:[47, 6], Operations: ['63-16=47', '7-1=6'] Exploring Operation: 47*6=282, Resulting Numbers: [282] 282,50 unequal: No Solution Exploring Operation: 47+6=53, Resulting Numbers: [53] 53,50 unequal: No Solution Exploring Operation: 47-6=41, Resulting Numbers: [41] 41,50 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 50:[47, 7], Operations: ['63-16=47', '7*1=7'] Exploring Operation: 47-7=40, Resulting Numbers: [40] 40,50 unequal: No Solution Exploring Operation: 47*7=329, Resulting Numbers: [329] 329,50 unequal: No Solution Exploring Operation: 47+7=54, Resulting Numbers: [54] 54,50 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 50:[47, 8], Operations: ['63-16=47', '7+1=8'] Exploring Operation: 47-8=39, Resulting Numbers: [39] 39,50 unequal: No Solution Exploring Operation: 47+8=55, Resulting Numbers: [55] 55,50 unequal: No Solution Exploring Operation: 47*8=376, Resulting Numbers: [376] 376,50 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 50:[47, 7], Operations: ['63-16=47', '7/1=7'] Exploring Operation: 47-7=40, Resulting Numbers: [40] 40,50 unequal: No Solution Exploring Operation: 47+7=54, Resulting Numbers: [54] 54,50 unequal: No Solution Exploring Operation: 47*7=329, Resulting Numbers: [329] 329,50 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: 50:[16, 1, 9], Operations: ['63/7=9'] Exploring Operation: 16*1=16, Resulting Numbers: [9, 16] Generated Node #0,0,0: 50:[9, 16] Operation: 16*1=16 Exploring Operation: 1+9=10, Resulting Numbers: [16, 10] Generated Node #0,0,1: 50:[16, 10] Operation: 1+9=10 Exploring Operation: 16+9=25, Resulting Numbers: [1, 25] Generated Node #0,0,2: 50:[1, 25] Operation: 16+9=25 Exploring Operation: 16-9=7, Resulting Numbers: [1, 7] Generated Node #0,0,3: 50:[1, 7] Operation: 16-9=7 Exploring Operation: 16-1=15, Resulting Numbers: [9, 15] Generated Node #0,0,4: 50:[9, 15] Operation: 16-1=15 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 50:[1, 25], Operations: ['63/7=9', '16+9=25'] Exploring Operation: 25/1=25, Resulting Numbers: [25] 25,50 unequal: No Solution Exploring Operation: 1*25=25, Resulting Numbers: [25] 25,50 unequal: No Solution Exploring Operation: 25-1=24, Resulting Numbers: [24] 24,50 unequal: No Solution Exploring Operation: 1+25=26, Resulting Numbers: [26] 26,50 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 50:[1, 7], Operations: ['63/7=9', '16-9=7'] Exploring Operation: 1+7=8, Resulting Numbers: [8] 8,50 unequal: No Solution Exploring Operation: 1*7=7, Resulting Numbers: [7] 7,50 unequal: No Solution Exploring Operation: 7-1=6, Resulting Numbers: [6] 6,50 unequal: No Solution Exploring Operation: 7/1=7, Resulting Numbers: [7] 7,50 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 50:[16, 10], Operations: ['63/7=9', '1+9=10'] Exploring Operation: 16*10=160, Resulting Numbers: [160] 160,50 unequal: No Solution Exploring Operation: 16-10=6, Resulting Numbers: [6] 6,50 unequal: No Solution Exploring Operation: 16+10=26, Resulting Numbers: [26] 26,50 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 50:[9, 15], Operations: ['63/7=9', '16-1=15'] Exploring Operation: 15-9=6, Resulting Numbers: [6] 6,50 unequal: No Solution Exploring Operation: 9+15=24, Resulting Numbers: [24] 24,50 unequal: No Solution Exploring Operation: 9*15=135, Resulting Numbers: [135] 135,50 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 50:[9, 16], Operations: ['63/7=9', '16*1=16'] Exploring Operation: 9*16=144, Resulting Numbers: [144] 144,50 unequal: No Solution Exploring Operation: 16-9=7, Resulting Numbers: [7] 7,50 unequal: No Solution Exploring Operation: 9+16=25, Resulting Numbers: [25] 25,50 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: 50:[16, 1, 56], Operations: ['63-7=56'] Exploring Operation: 16/1=16, Resulting Numbers: [56, 16] Generated Node #0,2,0: 50:[56, 16] Operation: 16/1=16 Exploring Operation: 16*1=16, Resulting Numbers: [56, 16] Generated Node #0,2,1: 50:[56, 16] Operation: 16*1=16 Exploring Operation: 16-1=15, Resulting Numbers: [56, 15] Generated Node #0,2,2: 50:[56, 15] Operation: 16-1=15 Exploring Operation: 56-16=40, Resulting Numbers: [1, 40] Generated Node #0,2,3: 50:[1, 40] Operation: 56-16=40 Exploring Operation: 56-1=55, Resulting Numbers: [16, 55] Generated Node #0,2,4: 50:[16, 55] Operation: 56-1=55 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 50:[56, 15], Operations: ['63-7=56', '16-1=15'] Exploring Operation: 56+15=71, Resulting Numbers: [71] 71,50 unequal: No Solution Exploring Operation: 56-15=41, Resulting Numbers: [41] 41,50 unequal: No Solution Exploring Operation: 56*15=840, Resulting Numbers: [840] 840,50 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 50:[1, 40], Operations: ['63-7=56', '56-16=40'] Exploring Operation: 40-1=39, Resulting Numbers: [39] 39,50 unequal: No Solution Exploring Operation: 1+40=41, Resulting Numbers: [41] 41,50 unequal: No Solution Exploring Operation: 1*40=40, Resulting Numbers: [40] 40,50 unequal: No Solution Exploring Operation: 40/1=40, Resulting Numbers: [40] 40,50 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 50:[16, 55], Operations: ['63-7=56', '56-1=55'] Exploring Operation: 55-16=39, Resulting Numbers: [39] 39,50 unequal: No Solution Exploring Operation: 16+55=71, Resulting Numbers: [71] 71,50 unequal: No Solution Exploring Operation: 16*55=880, Resulting Numbers: [880] 880,50 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 50:[56, 16], Operations: ['63-7=56', '16/1=16'] Exploring Operation: 56+16=72, Resulting Numbers: [72] 72,50 unequal: No Solution Exploring Operation: 56*16=896, Resulting Numbers: [896] 896,50 unequal: No Solution Exploring Operation: 56-16=40, Resulting Numbers: [40] 40,50 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 50:[56, 16], Operations: ['63-7=56', '16*1=16'] Exploring Operation: 56+16=72, Resulting Numbers: [72] 72,50 unequal: No Solution Exploring Operation: 56*16=896, Resulting Numbers: [896] 896,50 unequal: No Solution Exploring Operation: 56-16=40, Resulting Numbers: [40] 40,50 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: 50:[63, 1, 9], Operations: ['16-7=9'] Exploring Operation: 63/9=7, Resulting Numbers: [1, 7] Generated Node #0,4,0: 50:[1, 7] Operation: 63/9=7 Exploring Operation: 63-9=54, Resulting Numbers: [1, 54] Generated Node #0,4,1: 50:[1, 54] Operation: 63-9=54 Exploring Operation: 63*1=63, Resulting Numbers: [9, 63] Generated Node #0,4,2: 50:[9, 63] Operation: 63*1=63 Exploring Operation: 1+9=10, Resulting Numbers: [63, 10] Generated Node #0,4,3: 50:[63, 10] Operation: 1+9=10 Exploring Operation: 63-1=62, Resulting Numbers: [9, 62] Generated Node #0,4,4: 50:[9, 62] Operation: 63-1=62 Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 50:[1, 7], Operations: ['16-7=9', '63/9=7'] Exploring Operation: 7-1=6, Resulting Numbers: [6] 6,50 unequal: No Solution Exploring Operation: 1+7=8, Resulting Numbers: [8] 8,50 unequal: No Solution Exploring Operation: 1*7=7, Resulting Numbers: [7] 7,50 unequal: No Solution Exploring Operation: 7/1=7, Resulting Numbers: [7] 7,50 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 50:[1, 54], Operations: ['16-7=9', '63-9=54'] Exploring Operation: 1*54=54, Resulting Numbers: [54] 54,50 unequal: No Solution Exploring Operation: 54-1=53, Resulting Numbers: [53] 53,50 unequal: No Solution Exploring Operation: 54/1=54, Resulting Numbers: [54] 54,50 unequal: No Solution Exploring Operation: 1+54=55, Resulting Numbers: [55] 55,50 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 50:[63, 10], Operations: ['16-7=9', '1+9=10'] Exploring Operation: 63-10=53, Resulting Numbers: [53] 53,50 unequal: No Solution Exploring Operation: 63*10=630, Resulting Numbers: [630] 630,50 unequal: No Solution Exploring Operation: 63+10=73, Resulting Numbers: [73] 73,50 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 50:[9, 62], Operations: ['16-7=9', '63-1=62'] Exploring Operation: 62-9=53, Resulting Numbers: [53] 53,50 unequal: No Solution Exploring Operation: 9*62=558, Resulting Numbers: [558] 558,50 unequal: No Solution Exploring Operation: 9+62=71, Resulting Numbers: [71] 71,50 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 50:[9, 63], Operations: ['16-7=9', '63*1=63'] Exploring Operation: 9*63=567, Resulting Numbers: [567] 567,50 unequal: No Solution Exploring Operation: 63-9=54, Resulting Numbers: [54] 54,50 unequal: No Solution Exploring Operation: 63/9=7, Resulting Numbers: [7] 7,50 unequal: No Solution Exploring Operation: 9+63=72, Resulting Numbers: [72] 72,50 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: 50:[63, 1, 23], Operations: ['7+16=23'] Exploring Operation: 1+23=24, Resulting Numbers: [63, 24] Generated Node #0,1,0: 50:[63, 24] Operation: 1+23=24 Exploring Operation: 63-23=40, Resulting Numbers: [1, 40] Generated Node #0,1,1: 50:[1, 40] Operation: 63-23=40 Exploring Operation: 63-1=62, Resulting Numbers: [23, 62] Generated Node #0,1,2: 50:[23, 62] Operation: 63-1=62 Exploring Operation: 63*1=63, Resulting Numbers: [23, 63] Generated Node #0,1,3: 50:[23, 63] Operation: 63*1=63 Exploring Operation: 63/1=63, Resulting Numbers: [23, 63] Generated Node #0,1,4: 50:[23, 63] Operation: 63/1=63 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 50:[1, 40], Operations: ['7+16=23', '63-23=40'] Exploring Operation: 40-1=39, Resulting Numbers: [39] 39,50 unequal: No Solution Exploring Operation: 1*40=40, Resulting Numbers: [40] 40,50 unequal: No Solution Exploring Operation: 40/1=40, Resulting Numbers: [40] 40,50 unequal: No Solution Exploring Operation: 1+40=41, Resulting Numbers: [41] 41,50 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 50:[63, 24], Operations: ['7+16=23', '1+23=24'] Exploring Operation: 63-24=39, Resulting Numbers: [39] 39,50 unequal: No Solution Exploring Operation: 63+24=87, Resulting Numbers: [87] 87,50 unequal: No Solution Exploring Operation: 63*24=1512, Resulting Numbers: [1512] 1512,50 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 50:[23, 62], Operations: ['7+16=23', '63-1=62'] Exploring Operation: 62-23=39, Resulting Numbers: [39] 39,50 unequal: No Solution Exploring Operation: 23+62=85, Resulting Numbers: [85] 85,50 unequal: No Solution Exploring Operation: 23*62=1426, Resulting Numbers: [1426] 1426,50 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 50:[23, 63], Operations: ['7+16=23', '63*1=63'] Exploring Operation: 23*63=1449, Resulting Numbers: [1449] 1449,50 unequal: No Solution Exploring Operation: 63-23=40, Resulting Numbers: [40] 40,50 unequal: No Solution Exploring Operation: 23+63=86, Resulting Numbers: [86] 86,50 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 50:[23, 63], Operations: ['7+16=23', '63/1=63'] Exploring Operation: 23+63=86, Resulting Numbers: [86] 86,50 unequal: No Solution Exploring Operation: 23*63=1449, Resulting Numbers: [1449] 1449,50 unequal: No Solution Exploring Operation: 63-23=40, Resulting Numbers: [40] 40,50 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
[ 35, 46, 38, 3 ]
33
[ "35+46=81", "38*3=114", "114-81=33" ]
Current State: 33:[35, 46, 38, 3], Operations: [] Exploring Operation: 35+46=81, Resulting Numbers: [38, 3, 81] Generated Node #2: [38, 3, 81] from Operation: 35+46=81 Current State: 33:[38, 3, 81], Operations: ['35+46=81'] Exploring Operation: 38*3=114, Resulting Numbers: [81, 114] Generated Node #3: [81, 114] from Operation: 38*3=114 Current State: 33:[81, 114], Operations: ['35+46=81', '38*3=114'] Exploring Operation: 114-81=33, Resulting Numbers: [33] 33,33 equal: Goal Reached
4
Current State: 33:[35, 46, 38, 3], Operations: [] Exploring Operation: 38-35=3, Resulting Numbers: [46, 3, 3] Generated Node #0,0: 33:[46, 3, 3] Operation: 38-35=3 Exploring Operation: 38-3=35, Resulting Numbers: [35, 46, 35] Generated Node #0,1: 33:[35, 46, 35] Operation: 38-3=35 Exploring Operation: 46-38=8, Resulting Numbers: [35, 3, 8] Generated Node #0,2: 33:[35, 3, 8] Operation: 46-38=8 Exploring Operation: 46-3=43, Resulting Numbers: [35, 38, 43] Generated Node #0,3: 33:[35, 38, 43] Operation: 46-3=43 Exploring Operation: 46-35=11, Resulting Numbers: [38, 3, 11] Generated Node #0,4: 33:[38, 3, 11] Operation: 46-35=11 Moving to Node #0,2 Current State: 33:[35, 3, 8], Operations: ['46-38=8'] Exploring Operation: 35-8=27, Resulting Numbers: [3, 27] Generated Node #0,2,0: 33:[3, 27] Operation: 35-8=27 Exploring Operation: 35+3=38, Resulting Numbers: [8, 38] Generated Node #0,2,1: 33:[8, 38] Operation: 35+3=38 Exploring Operation: 35-3=32, Resulting Numbers: [8, 32] Generated Node #0,2,2: 33:[8, 32] Operation: 35-3=32 Exploring Operation: 3+8=11, Resulting Numbers: [35, 11] Generated Node #0,2,3: 33:[35, 11] Operation: 3+8=11 Exploring Operation: 8-3=5, Resulting Numbers: [35, 5] Generated Node #0,2,4: 33:[35, 5] Operation: 8-3=5 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 33:[35, 11], Operations: ['46-38=8', '3+8=11'] Exploring Operation: 35*11=385, Resulting Numbers: [385] 385,33 unequal: No Solution Exploring Operation: 35-11=24, Resulting Numbers: [24] 24,33 unequal: No Solution Exploring Operation: 35+11=46, Resulting Numbers: [46] 46,33 unequal: No Solution No 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: 33:[8, 32], Operations: ['46-38=8', '35-3=32'] Exploring Operation: 8+32=40, Resulting Numbers: [40] 40,33 unequal: No Solution Exploring Operation: 8*32=256, Resulting Numbers: [256] 256,33 unequal: No Solution Exploring Operation: 32/8=4, Resulting Numbers: [4] 4,33 unequal: No Solution Exploring Operation: 32-8=24, Resulting Numbers: [24] 24,33 unequal: No Solution No 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: 33:[35, 5], Operations: ['46-38=8', '8-3=5'] Exploring Operation: 35+5=40, Resulting Numbers: [40] 40,33 unequal: No Solution Exploring Operation: 35*5=175, Resulting Numbers: [175] 175,33 unequal: No Solution Exploring Operation: 35/5=7, Resulting Numbers: [7] 7,33 unequal: No Solution Exploring Operation: 35-5=30, Resulting Numbers: [30] 30,33 unequal: No Solution No 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: 33:[3, 27], Operations: ['46-38=8', '35-8=27'] Exploring Operation: 3*27=81, Resulting Numbers: [81] 81,33 unequal: No Solution Exploring Operation: 27-3=24, Resulting Numbers: [24] 24,33 unequal: No Solution Exploring Operation: 3+27=30, Resulting Numbers: [30] 30,33 unequal: No Solution Exploring Operation: 27/3=9, Resulting Numbers: [9] 9,33 unequal: No Solution No 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: 33:[8, 38], Operations: ['46-38=8', '35+3=38'] Exploring Operation: 8+38=46, Resulting Numbers: [46] 46,33 unequal: No Solution Exploring Operation: 8*38=304, Resulting Numbers: [304] 304,33 unequal: No Solution Exploring Operation: 38-8=30, Resulting Numbers: [30] 30,33 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: 33:[38, 3, 11], Operations: ['46-35=11'] Exploring Operation: 38-11=27, Resulting Numbers: [3, 27] Generated Node #0,4,0: 33:[3, 27] Operation: 38-11=27 Exploring Operation: 38+3=41, Resulting Numbers: [11, 41] Generated Node #0,4,1: 33:[11, 41] Operation: 38+3=41 Exploring Operation: 38-3=35, Resulting Numbers: [11, 35] Generated Node #0,4,2: 33:[11, 35] Operation: 38-3=35 Exploring Operation: 3+11=14, Resulting Numbers: [38, 14] Generated Node #0,4,3: 33:[38, 14] Operation: 3+11=14 Exploring Operation: 3*11=33, Resulting Numbers: [38, 33] Generated Node #0,4,4: 33:[38, 33] Operation: 3*11=33 Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 33:[11, 35], Operations: ['46-35=11', '38-3=35'] Exploring Operation: 35-11=24, Resulting Numbers: [24] 24,33 unequal: No Solution Exploring Operation: 11+35=46, Resulting Numbers: [46] 46,33 unequal: No Solution Exploring Operation: 11*35=385, Resulting Numbers: [385] 385,33 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 33:[38, 33], Operations: ['46-35=11', '3*11=33'] Exploring Operation: 38-33=5, Resulting Numbers: [5] 5,33 unequal: No Solution Exploring Operation: 38+33=71, Resulting Numbers: [71] 71,33 unequal: No Solution Exploring Operation: 38*33=1254, Resulting Numbers: [1254] 1254,33 unequal: No Solution No 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: 33:[3, 27], Operations: ['46-35=11', '38-11=27'] Exploring Operation: 3*27=81, Resulting Numbers: [81] 81,33 unequal: No Solution Exploring Operation: 3+27=30, Resulting Numbers: [30] 30,33 unequal: No Solution Exploring Operation: 27-3=24, Resulting Numbers: [24] 24,33 unequal: No Solution Exploring Operation: 27/3=9, Resulting Numbers: [9] 9,33 unequal: No Solution No 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: 33:[11, 41], Operations: ['46-35=11', '38+3=41'] Exploring Operation: 11*41=451, Resulting Numbers: [451] 451,33 unequal: No Solution Exploring Operation: 41-11=30, Resulting Numbers: [30] 30,33 unequal: No Solution Exploring Operation: 11+41=52, Resulting Numbers: [52] 52,33 unequal: No Solution No 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: 33:[38, 14], Operations: ['46-35=11', '3+11=14'] Exploring Operation: 38-14=24, Resulting Numbers: [24] 24,33 unequal: No Solution Exploring Operation: 38*14=532, Resulting Numbers: [532] 532,33 unequal: No Solution Exploring Operation: 38+14=52, Resulting Numbers: [52] 52,33 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: 33:[46, 3, 3], Operations: ['38-35=3'] Exploring Operation: 3/3=1, Resulting Numbers: [46, 1] Generated Node #0,0,0: 33:[46, 1] Operation: 3/3=1 Exploring Operation: 46-3=43, Resulting Numbers: [3, 43] Generated Node #0,0,1: 33:[3, 43] Operation: 46-3=43 Exploring Operation: 46+3=49, Resulting Numbers: [3, 49] Generated Node #0,0,2: 33:[3, 49] Operation: 46+3=49 Exploring Operation: 3*3=9, Resulting Numbers: [46, 9] Generated Node #0,0,3: 33:[46, 9] Operation: 3*3=9 Exploring Operation: 46-3=43, Resulting Numbers: [3, 43] Generated Node #0,0,4: 33:[3, 43] Operation: 46-3=43 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 33:[3, 43], Operations: ['38-35=3', '46-3=43'] Exploring Operation: 43-3=40, Resulting Numbers: [40] 40,33 unequal: No Solution Exploring Operation: 3+43=46, Resulting Numbers: [46] 46,33 unequal: No Solution Exploring Operation: 3*43=129, Resulting Numbers: [129] 129,33 unequal: No Solution No 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: 33:[3, 43], Operations: ['38-35=3', '46-3=43'] Exploring Operation: 3+43=46, Resulting Numbers: [46] 46,33 unequal: No Solution Exploring Operation: 3*43=129, Resulting Numbers: [129] 129,33 unequal: No Solution Exploring Operation: 43-3=40, Resulting Numbers: [40] 40,33 unequal: No Solution No 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: 33:[46, 1], Operations: ['38-35=3', '3/3=1'] Exploring Operation: 46+1=47, Resulting Numbers: [47] 47,33 unequal: No Solution Exploring Operation: 46-1=45, Resulting Numbers: [45] 45,33 unequal: No Solution Exploring Operation: 46*1=46, Resulting Numbers: [46] 46,33 unequal: No Solution Exploring Operation: 46/1=46, Resulting Numbers: [46] 46,33 unequal: No Solution No 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: 33:[46, 9], Operations: ['38-35=3', '3*3=9'] Exploring Operation: 46+9=55, Resulting Numbers: [55] 55,33 unequal: No Solution Exploring Operation: 46-9=37, Resulting Numbers: [37] 37,33 unequal: No Solution Exploring Operation: 46*9=414, Resulting Numbers: [414] 414,33 unequal: No Solution No 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: 33:[3, 49], Operations: ['38-35=3', '46+3=49'] Exploring Operation: 49-3=46, Resulting Numbers: [46] 46,33 unequal: No Solution Exploring Operation: 3*49=147, Resulting Numbers: [147] 147,33 unequal: No Solution Exploring Operation: 3+49=52, Resulting Numbers: [52] 52,33 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: 33:[35, 46, 35], Operations: ['38-3=35'] Exploring Operation: 35+46=81, Resulting Numbers: [35, 81] Generated Node #0,1,0: 33:[35, 81] Operation: 35+46=81 Exploring Operation: 46-35=11, Resulting Numbers: [35, 11] Generated Node #0,1,1: 33:[35, 11] Operation: 46-35=11 Exploring Operation: 46-35=11, Resulting Numbers: [35, 11] Generated Node #0,1,2: 33:[35, 11] Operation: 46-35=11 Exploring Operation: 35/35=1, Resulting Numbers: [46, 1] Generated Node #0,1,3: 33:[46, 1] Operation: 35/35=1 Exploring Operation: 35-35=0, Resulting Numbers: [46, 0] Generated Node #0,1,4: 33:[46, 0] Operation: 35-35=0 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 33:[35, 11], Operations: ['38-3=35', '46-35=11'] Exploring Operation: 35+11=46, Resulting Numbers: [46] 46,33 unequal: No Solution Exploring Operation: 35-11=24, Resulting Numbers: [24] 24,33 unequal: No Solution Exploring Operation: 35*11=385, Resulting Numbers: [385] 385,33 unequal: No Solution No 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: 33:[35, 11], Operations: ['38-3=35', '46-35=11'] Exploring Operation: 35-11=24, Resulting Numbers: [24] 24,33 unequal: No Solution Exploring Operation: 35+11=46, Resulting Numbers: [46] 46,33 unequal: No Solution Exploring Operation: 35*11=385, Resulting Numbers: [385] 385,33 unequal: No Solution No 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: 33:[46, 1], Operations: ['38-3=35', '35/35=1'] Exploring Operation: 46/1=46, Resulting Numbers: [46] 46,33 unequal: No Solution Exploring Operation: 46-1=45, Resulting Numbers: [45] 45,33 unequal: No Solution Exploring Operation: 46*1=46, Resulting Numbers: [46] 46,33 unequal: No Solution Exploring Operation: 46+1=47, Resulting Numbers: [47] 47,33 unequal: No Solution No 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: 33:[46, 0], Operations: ['38-3=35', '35-35=0'] Exploring Operation: 46*0=0, Resulting Numbers: [0] 0,33 unequal: No Solution Exploring Operation: 46-0=46, Resulting Numbers: [46] 46,33 unequal: No Solution Exploring Operation: 46+0=46, Resulting Numbers: [46] 46,33 unequal: No Solution No 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: 33:[35, 81], Operations: ['38-3=35', '35+46=81'] Exploring Operation: 35*81=2835, Resulting Numbers: [2835] 2835,33 unequal: No Solution Exploring Operation: 35+81=116, Resulting Numbers: [116] 116,33 unequal: No Solution Exploring Operation: 81-35=46, Resulting Numbers: [46] 46,33 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: 33:[35, 38, 43], Operations: ['46-3=43'] Exploring Operation: 43-38=5, Resulting Numbers: [35, 5] Generated Node #0,3,0: 33:[35, 5] Operation: 43-38=5 Exploring Operation: 43-35=8, Resulting Numbers: [38, 8] Generated Node #0,3,1: 33:[38, 8] Operation: 43-35=8 Exploring Operation: 35+43=78, Resulting Numbers: [38, 78] Generated Node #0,3,2: 33:[38, 78] Operation: 35+43=78 Exploring Operation: 38-35=3, Resulting Numbers: [43, 3] Generated Node #0,3,3: 33:[43, 3] Operation: 38-35=3 Exploring Operation: 35+38=73, Resulting Numbers: [43, 73] Generated Node #0,3,4: 33:[43, 73] Operation: 35+38=73 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 33:[35, 5], Operations: ['46-3=43', '43-38=5'] Exploring Operation: 35/5=7, Resulting Numbers: [7] 7,33 unequal: No Solution Exploring Operation: 35-5=30, Resulting Numbers: [30] 30,33 unequal: No Solution Exploring Operation: 35+5=40, Resulting Numbers: [40] 40,33 unequal: No Solution Exploring Operation: 35*5=175, Resulting Numbers: [175] 175,33 unequal: No Solution No 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: 33:[38, 8], Operations: ['46-3=43', '43-35=8'] Exploring Operation: 38+8=46, Resulting Numbers: [46] 46,33 unequal: No Solution Exploring Operation: 38-8=30, Resulting Numbers: [30] 30,33 unequal: No Solution Exploring Operation: 38*8=304, Resulting Numbers: [304] 304,33 unequal: No Solution No 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: 33:[43, 3], Operations: ['46-3=43', '38-35=3'] Exploring Operation: 43+3=46, Resulting Numbers: [46] 46,33 unequal: No Solution Exploring Operation: 43-3=40, Resulting Numbers: [40] 40,33 unequal: No Solution Exploring Operation: 43*3=129, Resulting Numbers: [129] 129,33 unequal: No Solution No 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: 33:[38, 78], Operations: ['46-3=43', '35+43=78'] Exploring Operation: 38+78=116, Resulting Numbers: [116] 116,33 unequal: No Solution Exploring Operation: 78-38=40, Resulting Numbers: [40] 40,33 unequal: No Solution Exploring Operation: 38*78=2964, Resulting Numbers: [2964] 2964,33 unequal: No Solution No 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: 33:[43, 73], Operations: ['46-3=43', '35+38=73'] Exploring Operation: 73-43=30, Resulting Numbers: [30] 30,33 unequal: No Solution Exploring Operation: 43*73=3139, Resulting Numbers: [3139] 3139,33 unequal: No Solution Exploring Operation: 43+73=116, Resulting Numbers: [116] 116,33 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
sum_heuristic
[ 16, 59, 69, 5 ]
31
[ "59-16=43", "69+5=74", "74-43=31" ]
Current State: 31:[16, 59, 69, 5], Operations: [] Exploring Operation: 59-16=43, Resulting Numbers: [69, 5, 43] Generated Node #2: [69, 5, 43] from Operation: 59-16=43 Current State: 31:[69, 5, 43], Operations: ['59-16=43'] Exploring Operation: 69+5=74, Resulting Numbers: [43, 74] Generated Node #3: [43, 74] from Operation: 69+5=74 Current State: 31:[43, 74], Operations: ['59-16=43', '69+5=74'] Exploring Operation: 74-43=31, Resulting Numbers: [31] 31,31 equal: Goal Reached
4
Current State: 31:[16, 59, 69, 5], Operations: [] Exploring Operation: 59-16=43, Resulting Numbers: [69, 5, 43] Generated Node #0,0: 31:[69, 5, 43] Operation: 59-16=43 Exploring Operation: 16+5=21, Resulting Numbers: [59, 69, 21] Generated Node #0,1: 31:[59, 69, 21] Operation: 16+5=21 Exploring Operation: 69-16=53, Resulting Numbers: [59, 5, 53] Generated Node #0,2: 31:[59, 5, 53] Operation: 69-16=53 Exploring Operation: 69-59=10, Resulting Numbers: [16, 5, 10] Generated Node #0,3: 31:[16, 5, 10] Operation: 69-59=10 Start Sub Search at level 1: Moving to Node #0,3 Current State: 31:[16, 5, 10], Operations: ['69-59=10'] Exploring Operation: 5*10=50, Resulting Numbers: [16, 50] Generated Node #0,3,0: 31:[16, 50] Operation: 5*10=50 Exploring Operation: 16+5=21, Resulting Numbers: [10, 21] Generated Node #0,3,1: 31:[10, 21] Operation: 16+5=21 Exploring Operation: 5+10=15, Resulting Numbers: [16, 15] Generated Node #0,3,2: 31:[16, 15] Operation: 5+10=15 Exploring Operation: 16+10=26, Resulting Numbers: [5, 26] Generated Node #0,3,3: 31:[5, 26] Operation: 16+10=26 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 31:[10, 21], Operations: ['69-59=10', '16+5=21'] Exploring Operation: 21-10=11, Resulting Numbers: [11] 11,31 unequal: No Solution Exploring Operation: 10*21=210, Resulting Numbers: [210] 210,31 unequal: No Solution Exploring Operation: 10+21=31, Resulting Numbers: [31] 31,31 equal: Goal Reached Moving to Node #0 Current State: 31:[16, 59, 69, 5], Operations: [] Exploring Operation: 69-59=10, Resulting Numbers: [16, 5, 10] Generated Node #0,3: 31:[16, 5, 10] Operation: 69-59=10 Moving to Node #0,3 Current State: 31:[16, 5, 10], Operations: ['69-59=10'] Exploring Operation: 16+5=21, Resulting Numbers: [10, 21] Generated Node #0,3,1: 31:[10, 21] Operation: 16+5=21 Moving to Node #0,3,1 Current State: 31:[10, 21], Operations: ['69-59=10', '16+5=21'] Exploring Operation: 10+21=31, Resulting Numbers: [31] 31,31 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986979
hs_4
mult_heuristic
[ 77, 13, 61, 39 ]
48
[ "77-61=16", "39/13=3", "16*3=48" ]
Current State: 48:[77, 13, 61, 39], Operations: [] Exploring Operation: 77-61=16, Resulting Numbers: [13, 39, 16] Generated Node #2: [13, 39, 16] from Operation: 77-61=16 Current State: 48:[13, 39, 16], Operations: ['77-61=16'] Exploring Operation: 39/13=3, Resulting Numbers: [16, 3] Generated Node #3: [16, 3] from Operation: 39/13=3 Current State: 48:[16, 3], Operations: ['77-61=16', '39/13=3'] Exploring Operation: 16*3=48, Resulting Numbers: [48] 48,48 equal: Goal Reached
4
Current State: 48:[77, 13, 61, 39], Operations: [] Exploring Operation: 61-13=48, Resulting Numbers: [77, 39, 48] Generated Node #0,0: 48:[77, 39, 48] Operation: 61-13=48 Exploring Operation: 77-61=16, Resulting Numbers: [13, 39, 16] Generated Node #0,1: 48:[13, 39, 16] Operation: 77-61=16 Exploring Operation: 77-39=38, Resulting Numbers: [13, 61, 38] Generated Node #0,2: 48:[13, 61, 38] Operation: 77-39=38 Exploring Operation: 77-13=64, Resulting Numbers: [61, 39, 64] Generated Node #0,3: 48:[61, 39, 64] Operation: 77-13=64 Exploring Operation: 61-39=22, Resulting Numbers: [77, 13, 22] Generated Node #0,4: 48:[77, 13, 22] Operation: 61-39=22 Start Sub Search at level 1: Moving to Node #0,1 Current State: 48:[13, 39, 16], Operations: ['77-61=16'] Exploring Operation: 39+16=55, Resulting Numbers: [13, 55] Generated Node #0,1,0: 48:[13, 55] Operation: 39+16=55 Exploring Operation: 39-16=23, Resulting Numbers: [13, 23] Generated Node #0,1,1: 48:[13, 23] Operation: 39-16=23 Exploring Operation: 39/13=3, Resulting Numbers: [16, 3] Generated Node #0,1,2: 48:[16, 3] Operation: 39/13=3 Exploring Operation: 39-13=26, Resulting Numbers: [16, 26] Generated Node #0,1,3: 48:[16, 26] Operation: 39-13=26 Exploring Operation: 13+39=52, Resulting Numbers: [16, 52] Generated Node #0,1,4: 48:[16, 52] Operation: 13+39=52 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 48:[16, 3], Operations: ['77-61=16', '39/13=3'] Exploring Operation: 16*3=48, Resulting Numbers: [48] 48,48 equal: Goal Reached Moving to Node #0 Current State: 48:[77, 13, 61, 39], Operations: [] Exploring Operation: 77-61=16, Resulting Numbers: [13, 39, 16] Generated Node #0,1: 48:[13, 39, 16] Operation: 77-61=16 Moving to Node #0,1 Current State: 48:[13, 39, 16], Operations: ['77-61=16'] Exploring Operation: 39/13=3, Resulting Numbers: [16, 3] Generated Node #0,1,2: 48:[16, 3] Operation: 39/13=3 Moving to Node #0,1,2 Current State: 48:[16, 3], Operations: ['77-61=16', '39/13=3'] Exploring Operation: 16*3=48, Resulting Numbers: [48] 48,48 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986979
hs_5
sum_heuristic
[ 91, 3, 50, 37 ]
32
[ "91-37=54", "54/3=18", "50-18=32" ]
Current State: 32:[91, 3, 50, 37], Operations: [] Exploring Operation: 91-37=54, Resulting Numbers: [3, 50, 54] Generated Node #2: [3, 50, 54] from Operation: 91-37=54 Current State: 32:[3, 50, 54], Operations: ['91-37=54'] Exploring Operation: 54/3=18, Resulting Numbers: [50, 18] Generated Node #3: [50, 18] from Operation: 54/3=18 Current State: 32:[50, 18], Operations: ['91-37=54', '54/3=18'] Exploring Operation: 50-18=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[91, 3, 50, 37], Operations: [] Exploring Operation: 50-37=13, Resulting Numbers: [91, 3, 13] Generated Node #0,0: 32:[91, 3, 13] Operation: 50-37=13 Exploring Operation: 91-50=41, Resulting Numbers: [3, 37, 41] Generated Node #0,1: 32:[3, 37, 41] Operation: 91-50=41 Exploring Operation: 91-3=88, Resulting Numbers: [50, 37, 88] Generated Node #0,2: 32:[50, 37, 88] Operation: 91-3=88 Exploring Operation: 91-37=54, Resulting Numbers: [3, 50, 54] Generated Node #0,3: 32:[3, 50, 54] Operation: 91-37=54 Start Sub Search at level 1: Moving to Node #0,1 Current State: 32:[3, 37, 41], Operations: ['91-50=41'] Exploring Operation: 41-3=38, Resulting Numbers: [37, 38] Generated Node #0,1,0: 32:[37, 38] Operation: 41-3=38 Exploring Operation: 37-3=34, Resulting Numbers: [41, 34] Generated Node #0,1,1: 32:[41, 34] Operation: 37-3=34 Exploring Operation: 41-37=4, Resulting Numbers: [3, 4] Generated Node #0,1,2: 32:[3, 4] Operation: 41-37=4 Exploring Operation: 3+37=40, Resulting Numbers: [41, 40] Generated Node #0,1,3: 32:[41, 40] Operation: 3+37=40 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 32:[3, 4], Operations: ['91-50=41', '41-37=4'] Exploring Operation: 3+4=7, Resulting Numbers: [7] 7,32 unequal: No Solution Exploring Operation: 4-3=1, Resulting Numbers: [1] 1,32 unequal: No Solution Exploring Operation: 3*4=12, Resulting Numbers: [12] 12,32 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 32:[37, 38], Operations: ['91-50=41', '41-3=38'] Exploring Operation: 37+38=75, Resulting Numbers: [75] 75,32 unequal: No Solution Exploring Operation: 38-37=1, Resulting Numbers: [1] 1,32 unequal: No Solution Exploring Operation: 37*38=1406, Resulting Numbers: [1406] 1406,32 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 32:[41, 34], Operations: ['91-50=41', '37-3=34'] Exploring Operation: 41-34=7, Resulting Numbers: [7] 7,32 unequal: No Solution Exploring Operation: 41*34=1394, Resulting Numbers: [1394] 1394,32 unequal: No Solution Exploring Operation: 41+34=75, Resulting Numbers: [75] 75,32 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 32:[41, 40], Operations: ['91-50=41', '3+37=40'] Exploring Operation: 41+40=81, Resulting Numbers: [81] 81,32 unequal: No Solution Exploring Operation: 41*40=1640, Resulting Numbers: [1640] 1640,32 unequal: No Solution Exploring Operation: 41-40=1, Resulting Numbers: [1] 1,32 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 32:[3, 50, 54], Operations: ['91-37=54'] Exploring Operation: 54-50=4, Resulting Numbers: [3, 4] Generated Node #0,3,0: 32:[3, 4] Operation: 54-50=4 Exploring Operation: 54-3=51, Resulting Numbers: [50, 51] Generated Node #0,3,1: 32:[50, 51] Operation: 54-3=51 Exploring Operation: 54/3=18, Resulting Numbers: [50, 18] Generated Node #0,3,2: 32:[50, 18] Operation: 54/3=18 Exploring Operation: 50-3=47, Resulting Numbers: [54, 47] Generated Node #0,3,3: 32:[54, 47] Operation: 50-3=47 Moving to Node #0,3,0 Current State: 32:[3, 4], Operations: ['91-37=54', '54-50=4'] Exploring Operation: 4-3=1, Resulting Numbers: [1] 1,32 unequal: No Solution Exploring Operation: 3+4=7, Resulting Numbers: [7] 7,32 unequal: No Solution Exploring Operation: 3*4=12, Resulting Numbers: [12] 12,32 unequal: No Solution Moving to Node #0,3,2 Current State: 32:[50, 18], Operations: ['91-37=54', '54/3=18'] Exploring Operation: 50*18=900, Resulting Numbers: [900] 900,32 unequal: No Solution Exploring Operation: 50-18=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Moving to Node #0 Current State: 32:[91, 3, 50, 37], Operations: [] Exploring Operation: 91-37=54, Resulting Numbers: [3, 50, 54] Generated Node #0,3: 32:[3, 50, 54] Operation: 91-37=54 Moving to Node #0,3 Current State: 32:[3, 50, 54], Operations: ['91-37=54'] Exploring Operation: 54/3=18, Resulting Numbers: [50, 18] Generated Node #0,3,2: 32:[50, 18] Operation: 54/3=18 Moving to Node #0,3,2 Current State: 32:[50, 18], Operations: ['91-37=54', '54/3=18'] Exploring Operation: 50-18=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Exit Sub Search at level 1
0.971354
hs_4
mult_heuristic
[ 75, 67, 54, 12 ]
74
[ "75-67=8", "54+12=66", "8+66=74" ]
Current State: 74:[75, 67, 54, 12], Operations: [] Exploring Operation: 75-67=8, Resulting Numbers: [54, 12, 8] Generated Node #2: [54, 12, 8] from Operation: 75-67=8 Current State: 74:[54, 12, 8], Operations: ['75-67=8'] Exploring Operation: 54+12=66, Resulting Numbers: [8, 66] Generated Node #3: [8, 66] from Operation: 54+12=66 Current State: 74:[8, 66], Operations: ['75-67=8', '54+12=66'] Exploring Operation: 8+66=74, Resulting Numbers: [74] 74,74 equal: Goal Reached
4
Current State: 74:[75, 67, 54, 12], Operations: [] Exploring Operation: 54+12=66, Resulting Numbers: [75, 67, 66] Generated Node #0,0: 74:[75, 67, 66] Operation: 54+12=66 Exploring Operation: 54-12=42, Resulting Numbers: [75, 67, 42] Generated Node #0,1: 74:[75, 67, 42] Operation: 54-12=42 Moving to Node #0,1 Current State: 74:[75, 67, 42], Operations: ['54-12=42'] Exploring Operation: 75-67=8, Resulting Numbers: [42, 8] Generated Node #0,1,0: 74:[42, 8] Operation: 75-67=8 Exploring Operation: 75-42=33, Resulting Numbers: [67, 33] Generated Node #0,1,1: 74:[67, 33] Operation: 75-42=33 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 74:[42, 8], Operations: ['54-12=42', '75-67=8'] Exploring Operation: 42-8=34, Resulting Numbers: [34] 34,74 unequal: No Solution Exploring Operation: 42+8=50, Resulting Numbers: [50] 50,74 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 74:[67, 33], Operations: ['54-12=42', '75-42=33'] Exploring Operation: 67+33=100, Resulting Numbers: [100] 100,74 unequal: No Solution Exploring Operation: 67-33=34, Resulting Numbers: [34] 34,74 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: 74:[75, 67, 66], Operations: ['54+12=66'] Exploring Operation: 67-66=1, Resulting Numbers: [75, 1] Generated Node #0,0,0: 74:[75, 1] Operation: 67-66=1 Exploring Operation: 75-67=8, Resulting Numbers: [66, 8] Generated Node #0,0,1: 74:[66, 8] Operation: 75-67=8 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 74:[75, 1], Operations: ['54+12=66', '67-66=1'] Exploring Operation: 75-1=74, Resulting Numbers: [74] 74,74 equal: Goal Reached Moving to Node #0 Current State: 74:[75, 67, 54, 12], Operations: [] Exploring Operation: 54+12=66, Resulting Numbers: [75, 67, 66] Generated Node #0,0: 74:[75, 67, 66] Operation: 54+12=66 Moving to Node #0,0 Current State: 74:[75, 67, 66], Operations: ['54+12=66'] Exploring Operation: 67-66=1, Resulting Numbers: [75, 1] Generated Node #0,0,0: 74:[75, 1] Operation: 67-66=1 Moving to Node #0,0,0 Current State: 74:[75, 1], Operations: ['54+12=66', '67-66=1'] Exploring Operation: 75-1=74, Resulting Numbers: [74] 74,74 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_2
mult_heuristic
[ 22, 8, 36, 10 ]
94
[ "36-22=14", "8*10=80", "14+80=94" ]
Current State: 94:[22, 8, 36, 10], Operations: [] Exploring Operation: 36-22=14, Resulting Numbers: [8, 10, 14] Generated Node #2: [8, 10, 14] from Operation: 36-22=14 Current State: 94:[8, 10, 14], Operations: ['36-22=14'] Exploring Operation: 8*10=80, Resulting Numbers: [14, 80] Generated Node #3: [14, 80] from Operation: 8*10=80 Current State: 94:[14, 80], Operations: ['36-22=14', '8*10=80'] Exploring Operation: 14+80=94, Resulting Numbers: [94] 94,94 equal: Goal Reached
4
Current State: 94:[22, 8, 36, 10], Operations: [] Exploring Operation: 22-10=12, Resulting Numbers: [8, 36, 12] Generated Node #0,0: 94:[8, 36, 12] Operation: 22-10=12 Exploring Operation: 22+36=58, Resulting Numbers: [8, 10, 58] Generated Node #0,1: 94:[8, 10, 58] Operation: 22+36=58 Exploring Operation: 36-22=14, Resulting Numbers: [8, 10, 14] Generated Node #0,2: 94:[8, 10, 14] Operation: 36-22=14 Start Sub Search at level 1: Moving to Node #0,1 Current State: 94:[8, 10, 58], Operations: ['22+36=58'] Exploring Operation: 58-8=50, Resulting Numbers: [10, 50] Generated Node #0,1,0: 94:[10, 50] Operation: 58-8=50 Exploring Operation: 10-8=2, Resulting Numbers: [58, 2] Generated Node #0,1,1: 94:[58, 2] Operation: 10-8=2 Exploring Operation: 58-10=48, Resulting Numbers: [8, 48] Generated Node #0,1,2: 94:[8, 48] Operation: 58-10=48 Moving to Node #0,1,2 Current State: 94:[8, 48], Operations: ['22+36=58', '58-10=48'] Exploring Operation: 48-8=40, Resulting Numbers: [40] 40,94 unequal: No Solution Exploring Operation: 48/8=6, Resulting Numbers: [6] 6,94 unequal: No Solution Exploring Operation: 8+48=56, Resulting Numbers: [56] 56,94 unequal: No Solution Moving to Node #0,1,0 Current State: 94:[10, 50], Operations: ['22+36=58', '58-8=50'] Exploring Operation: 10+50=60, Resulting Numbers: [60] 60,94 unequal: No Solution Exploring Operation: 50-10=40, Resulting Numbers: [40] 40,94 unequal: No Solution Exploring Operation: 50/10=5, Resulting Numbers: [5] 5,94 unequal: No Solution Moving to Node #0,1,1 Current State: 94:[58, 2], Operations: ['22+36=58', '10-8=2'] Exploring Operation: 58+2=60, Resulting Numbers: [60] 60,94 unequal: No Solution Exploring Operation: 58/2=29, Resulting Numbers: [29] 29,94 unequal: No Solution Exploring Operation: 58-2=56, Resulting Numbers: [56] 56,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 94:[8, 10, 14], Operations: ['36-22=14'] Exploring Operation: 10-8=2, Resulting Numbers: [14, 2] Generated Node #0,2,0: 94:[14, 2] Operation: 10-8=2 Exploring Operation: 14-10=4, Resulting Numbers: [8, 4] Generated Node #0,2,1: 94:[8, 4] Operation: 14-10=4 Exploring Operation: 14-8=6, Resulting Numbers: [10, 6] Generated Node #0,2,2: 94:[10, 6] Operation: 14-8=6 Moving to Node #0,2,1 Current State: 94:[8, 4], Operations: ['36-22=14', '14-10=4'] Exploring Operation: 8-4=4, Resulting Numbers: [4] 4,94 unequal: No Solution Exploring Operation: 8/4=2, Resulting Numbers: [2] 2,94 unequal: No Solution Exploring Operation: 8+4=12, Resulting Numbers: [12] 12,94 unequal: No Solution Moving to Node #0,2,0 Current State: 94:[14, 2], Operations: ['36-22=14', '10-8=2'] Exploring Operation: 14/2=7, Resulting Numbers: [7] 7,94 unequal: No Solution Exploring Operation: 14+2=16, Resulting Numbers: [16] 16,94 unequal: No Solution Exploring Operation: 14-2=12, Resulting Numbers: [12] 12,94 unequal: No Solution Moving to Node #0,2,2 Current State: 94:[10, 6], Operations: ['36-22=14', '14-8=6'] Exploring Operation: 10-6=4, Resulting Numbers: [4] 4,94 unequal: No Solution Exploring Operation: 10+6=16, Resulting Numbers: [16] 16,94 unequal: No Solution Exploring Operation: 10*6=60, Resulting Numbers: [60] 60,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 94:[8, 36, 12], Operations: ['22-10=12'] Exploring Operation: 36+12=48, Resulting Numbers: [8, 48] Generated Node #0,0,0: 94:[8, 48] Operation: 36+12=48 Exploring Operation: 8+36=44, Resulting Numbers: [12, 44] Generated Node #0,0,1: 94:[12, 44] Operation: 8+36=44 Exploring Operation: 36/12=3, Resulting Numbers: [8, 3] Generated Node #0,0,2: 94:[8, 3] Operation: 36/12=3 Moving to Node #0,0,0 Current State: 94:[8, 48], Operations: ['22-10=12', '36+12=48'] Exploring Operation: 48/8=6, Resulting Numbers: [6] 6,94 unequal: No Solution Exploring Operation: 8+48=56, Resulting Numbers: [56] 56,94 unequal: No Solution Exploring Operation: 48-8=40, Resulting Numbers: [40] 40,94 unequal: No Solution Moving to Node #0,0,2 Current State: 94:[8, 3], Operations: ['22-10=12', '36/12=3'] Exploring Operation: 8*3=24, Resulting Numbers: [24] 24,94 unequal: No Solution Exploring Operation: 8+3=11, Resulting Numbers: [11] 11,94 unequal: No Solution Exploring Operation: 8-3=5, Resulting Numbers: [5] 5,94 unequal: No Solution Moving to Node #0,0,1 Current State: 94:[12, 44], Operations: ['22-10=12', '8+36=44'] Exploring Operation: 44-12=32, Resulting Numbers: [32] 32,94 unequal: No Solution Exploring Operation: 12+44=56, Resulting Numbers: [56] 56,94 unequal: No Solution Exploring Operation: 12*44=528, Resulting Numbers: [528] 528,94 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
[ 57, 46, 11, 44 ]
92
[ "57-11=46", "46-44=2", "46*2=92" ]
Current State: 92:[57, 46, 11, 44], Operations: [] Exploring Operation: 57-11=46, Resulting Numbers: [46, 44, 46] Generated Node #2: [46, 44, 46] from Operation: 57-11=46 Current State: 92:[46, 44, 46], Operations: ['57-11=46'] Exploring Operation: 46-44=2, Resulting Numbers: [2] 2,92 equal: Goal Reached Exploring Operation: 46*2=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
4
Current State: 92:[57, 46, 11, 44], Operations: [] Exploring Operation: 57-11=46, Resulting Numbers: [46, 44, 46] Generated Node #0,0: 92:[46, 44, 46] Operation: 57-11=46 Moving to Node #0,0 Current State: 92:[46, 44, 46], Operations: ['57-11=46'] Exploring Operation: 46-44=2, Resulting Numbers: [46, 2] Generated Node #0,0,0: 92:[46, 2] Operation: 46-44=2 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 92:[46, 2], Operations: ['57-11=46', '46-44=2'] Exploring Operation: 46*2=92, Resulting Numbers: [92] 92,92 equal: Goal Reached Moving to Node #0 Current State: 92:[57, 46, 11, 44], Operations: [] Exploring Operation: 57-11=46, Resulting Numbers: [46, 44, 46] Generated Node #0,0: 92:[46, 44, 46] Operation: 57-11=46 Moving to Node #0,0 Current State: 92:[46, 44, 46], Operations: ['57-11=46'] Exploring Operation: 46-44=2, Resulting Numbers: [46, 2] Generated Node #0,0,0: 92:[46, 2] Operation: 46-44=2 Moving to Node #0,0,0 Current State: 92:[46, 2], Operations: ['57-11=46', '46-44=2'] Exploring Operation: 46*2=92, Resulting Numbers: [92] 92,92 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 74, 9, 51, 81 ]
14
[ "74-51=23", "81/9=9", "23-9=14" ]
Current State: 14:[74, 9, 51, 81], Operations: [] Exploring Operation: 74-51=23, Resulting Numbers: [9, 81, 23] Generated Node #2: [9, 81, 23] from Operation: 74-51=23 Current State: 14:[9, 81, 23], Operations: ['74-51=23'] Exploring Operation: 81/9=9, Resulting Numbers: [23, 9] Generated Node #3: [23, 9] from Operation: 81/9=9 Current State: 14:[23, 9], Operations: ['74-51=23', '81/9=9'] Exploring Operation: 23-9=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
4
Current State: 14:[74, 9, 51, 81], Operations: [] Exploring Operation: 81-74=7, Resulting Numbers: [9, 51, 7] Generated Node #0,0: 14:[9, 51, 7] Operation: 81-74=7 Start Sub Search at level 1: Moving to Node #0,0 Current State: 14:[9, 51, 7], Operations: ['81-74=7'] Exploring Operation: 51-9=42, Resulting Numbers: [7, 42] Generated Node #0,0,0: 14:[7, 42] Operation: 51-9=42 Moving to Node #0,0,0 Current State: 14:[7, 42], Operations: ['81-74=7', '51-9=42'] Exploring Operation: 42/7=6, Resulting Numbers: [6] 6,14 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 65, 67, 34, 79 ]
43
[ "67-65=2", "79-34=45", "45-2=43" ]
Current State: 43:[65, 67, 34, 79], Operations: [] Exploring Operation: 67-65=2, Resulting Numbers: [34, 79, 2] Generated Node #2: [34, 79, 2] from Operation: 67-65=2 Current State: 43:[34, 79, 2], Operations: ['67-65=2'] Exploring Operation: 79-34=45, Resulting Numbers: [2, 45] Generated Node #3: [2, 45] from Operation: 79-34=45 Current State: 43:[2, 45], Operations: ['67-65=2', '79-34=45'] Exploring Operation: 45-2=43, Resulting Numbers: [43] 43,43 equal: Goal Reached
4
Current State: 43:[65, 67, 34, 79], Operations: [] Exploring Operation: 79-34=45, Resulting Numbers: [65, 67, 45] Generated Node #0,0: 43:[65, 67, 45] Operation: 79-34=45 Exploring Operation: 79-65=14, Resulting Numbers: [67, 34, 14] Generated Node #0,1: 43:[67, 34, 14] Operation: 79-65=14 Start Sub Search at level 1: Moving to Node #0,0 Current State: 43:[65, 67, 45], Operations: ['79-34=45'] Exploring Operation: 67-65=2, Resulting Numbers: [45, 2] Generated Node #0,0,0: 43:[45, 2] Operation: 67-65=2 Exploring Operation: 67-45=22, Resulting Numbers: [65, 22] Generated Node #0,0,1: 43:[65, 22] Operation: 67-45=22 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 43:[45, 2], Operations: ['79-34=45', '67-65=2'] Exploring Operation: 45-2=43, Resulting Numbers: [43] 43,43 equal: Goal Reached Moving to Node #0 Current State: 43:[65, 67, 34, 79], Operations: [] Exploring Operation: 79-34=45, Resulting Numbers: [65, 67, 45] Generated Node #0,0: 43:[65, 67, 45] Operation: 79-34=45 Moving to Node #0,0 Current State: 43:[65, 67, 45], Operations: ['79-34=45'] Exploring Operation: 67-65=2, Resulting Numbers: [45, 2] Generated Node #0,0,0: 43:[45, 2] Operation: 67-65=2 Moving to Node #0,0,0 Current State: 43:[45, 2], Operations: ['79-34=45', '67-65=2'] Exploring Operation: 45-2=43, Resulting Numbers: [43] 43,43 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.992188
hs_2
sum_heuristic
[ 69, 38, 9, 79 ]
52
[ "79-69=10", "9*10=90", "90-38=52" ]
Current State: 52:[69, 38, 9, 79], Operations: [] Exploring Operation: 79-69=10, Resulting Numbers: [38, 9, 10] Generated Node #2: [38, 9, 10] from Operation: 79-69=10 Current State: 52:[38, 9, 10], Operations: ['79-69=10'] Exploring Operation: 9*10=90, Resulting Numbers: [38, 90] Generated Node #3: [38, 90] from Operation: 9*10=90 Current State: 52:[38, 90], Operations: ['79-69=10', '9*10=90'] Exploring Operation: 90-38=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[69, 38, 9, 79], Operations: [] Exploring Operation: 69-38=31, Resulting Numbers: [9, 79, 31] Generated Node #0,0: 52:[9, 79, 31] Operation: 69-38=31 Exploring Operation: 79-69=10, Resulting Numbers: [38, 9, 10] Generated Node #0,1: 52:[38, 9, 10] Operation: 79-69=10 Exploring Operation: 79-38=41, Resulting Numbers: [69, 9, 41] Generated Node #0,2: 52:[69, 9, 41] Operation: 79-38=41 Moving to Node #0,1 Current State: 52:[38, 9, 10], Operations: ['79-69=10'] Exploring Operation: 38+9=47, Resulting Numbers: [10, 47] Generated Node #0,1,0: 52:[10, 47] Operation: 38+9=47 Exploring Operation: 38-10=28, Resulting Numbers: [9, 28] Generated Node #0,1,1: 52:[9, 28] Operation: 38-10=28 Exploring Operation: 38-9=29, Resulting Numbers: [10, 29] Generated Node #0,1,2: 52:[10, 29] Operation: 38-9=29 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 52:[9, 28], Operations: ['79-69=10', '38-10=28'] Exploring Operation: 28-9=19, Resulting Numbers: [19] 19,52 unequal: No Solution Exploring Operation: 9+28=37, Resulting Numbers: [37] 37,52 unequal: No Solution Exploring Operation: 9*28=252, Resulting Numbers: [252] 252,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 52:[10, 29], Operations: ['79-69=10', '38-9=29'] Exploring Operation: 10+29=39, Resulting Numbers: [39] 39,52 unequal: No Solution Exploring Operation: 29-10=19, Resulting Numbers: [19] 19,52 unequal: No Solution Exploring Operation: 10*29=290, Resulting Numbers: [290] 290,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 52:[10, 47], Operations: ['79-69=10', '38+9=47'] Exploring Operation: 10*47=470, Resulting Numbers: [470] 470,52 unequal: No Solution Exploring Operation: 47-10=37, Resulting Numbers: [37] 37,52 unequal: No Solution Exploring Operation: 10+47=57, Resulting Numbers: [57] 57,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 52:[69, 9, 41], Operations: ['79-38=41'] Exploring Operation: 69-41=28, Resulting Numbers: [9, 28] Generated Node #0,2,0: 52:[9, 28] Operation: 69-41=28 Exploring Operation: 9+41=50, Resulting Numbers: [69, 50] Generated Node #0,2,1: 52:[69, 50] Operation: 9+41=50 Exploring Operation: 69-9=60, Resulting Numbers: [41, 60] Generated Node #0,2,2: 52:[41, 60] Operation: 69-9=60 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 52:[9, 28], Operations: ['79-38=41', '69-41=28'] Exploring Operation: 9*28=252, Resulting Numbers: [252] 252,52 unequal: No Solution Exploring Operation: 28-9=19, Resulting Numbers: [19] 19,52 unequal: No Solution Exploring Operation: 9+28=37, Resulting Numbers: [37] 37,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 52:[69, 50], Operations: ['79-38=41', '9+41=50'] Exploring Operation: 69+50=119, Resulting Numbers: [119] 119,52 unequal: No Solution Exploring Operation: 69*50=3450, Resulting Numbers: [3450] 3450,52 unequal: No Solution Exploring Operation: 69-50=19, Resulting Numbers: [19] 19,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 52:[41, 60], Operations: ['79-38=41', '69-9=60'] Exploring Operation: 41+60=101, Resulting Numbers: [101] 101,52 unequal: No Solution Exploring Operation: 41*60=2460, Resulting Numbers: [2460] 2460,52 unequal: No Solution Exploring Operation: 60-41=19, Resulting Numbers: [19] 19,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 52:[9, 79, 31], Operations: ['69-38=31'] Exploring Operation: 31-9=22, Resulting Numbers: [79, 22] Generated Node #0,0,0: 52:[79, 22] Operation: 31-9=22 Exploring Operation: 79-31=48, Resulting Numbers: [9, 48] Generated Node #0,0,1: 52:[9, 48] Operation: 79-31=48 Exploring Operation: 79-9=70, Resulting Numbers: [31, 70] Generated Node #0,0,2: 52:[31, 70] Operation: 79-9=70 Moving to Node #0,0,1 Current State: 52:[9, 48], Operations: ['69-38=31', '79-31=48'] Exploring Operation: 9*48=432, Resulting Numbers: [432] 432,52 unequal: No Solution Exploring Operation: 9+48=57, Resulting Numbers: [57] 57,52 unequal: No Solution Exploring Operation: 48-9=39, Resulting Numbers: [39] 39,52 unequal: No Solution Moving to Node #0,0,2 Current State: 52:[31, 70], Operations: ['69-38=31', '79-9=70'] Exploring Operation: 31*70=2170, Resulting Numbers: [2170] 2170,52 unequal: No Solution Exploring Operation: 31+70=101, Resulting Numbers: [101] 101,52 unequal: No Solution Exploring Operation: 70-31=39, Resulting Numbers: [39] 39,52 unequal: No Solution Moving to Node #0,0,0 Current State: 52:[79, 22], Operations: ['69-38=31', '31-9=22'] Exploring Operation: 79+22=101, Resulting Numbers: [101] 101,52 unequal: No Solution Exploring Operation: 79*22=1738, Resulting Numbers: [1738] 1738,52 unequal: No Solution Exploring Operation: 79-22=57, Resulting Numbers: [57] 57,52 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 48, 5, 24, 55 ]
65
[ "48*5=240", "240/24=10", "55+10=65" ]
Current State: 65:[48, 5, 24, 55], Operations: [] Exploring Operation: 48*5=240, Resulting Numbers: [24, 55, 240] Generated Node #2: [24, 55, 240] from Operation: 48*5=240 Current State: 65:[24, 55, 240], Operations: ['48*5=240'] Exploring Operation: 240/24=10, Resulting Numbers: [55, 10] Generated Node #3: [55, 10] from Operation: 240/24=10 Current State: 65:[55, 10], Operations: ['48*5=240', '240/24=10'] Exploring Operation: 55+10=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
4
Current State: 65:[48, 5, 24, 55], Operations: [] Exploring Operation: 55-48=7, Resulting Numbers: [5, 24, 7] Generated Node #0,0: 65:[5, 24, 7] Operation: 55-48=7 Exploring Operation: 48/24=2, Resulting Numbers: [5, 55, 2] Generated Node #0,1: 65:[5, 55, 2] Operation: 48/24=2 Start Sub Search at level 1: Moving to Node #0,0 Current State: 65:[5, 24, 7], Operations: ['55-48=7'] Exploring Operation: 24-5=19, Resulting Numbers: [7, 19] Generated Node #0,0,0: 65:[7, 19] Operation: 24-5=19 Exploring Operation: 24-7=17, Resulting Numbers: [5, 17] Generated Node #0,0,1: 65:[5, 17] Operation: 24-7=17 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 65:[5, 17], Operations: ['55-48=7', '24-7=17'] Exploring Operation: 5+17=22, Resulting Numbers: [22] 22,65 unequal: No Solution Exploring Operation: 17-5=12, Resulting Numbers: [12] 12,65 unequal: No Solution No 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: 65:[7, 19], Operations: ['55-48=7', '24-5=19'] Exploring Operation: 19-7=12, Resulting Numbers: [12] 12,65 unequal: No Solution Exploring Operation: 7+19=26, Resulting Numbers: [26] 26,65 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: 65:[5, 55, 2], Operations: ['48/24=2'] Exploring Operation: 5+55=60, Resulting Numbers: [2, 60] Generated Node #0,1,0: 65:[2, 60] Operation: 5+55=60 Exploring Operation: 55/5=11, Resulting Numbers: [2, 11] Generated Node #0,1,1: 65:[2, 11] Operation: 55/5=11 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 65:[2, 11], Operations: ['48/24=2', '55/5=11'] Exploring Operation: 2+11=13, Resulting Numbers: [13] 13,65 unequal: No Solution Exploring Operation: 11-2=9, Resulting Numbers: [9] 9,65 unequal: No Solution No 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: 65:[2, 60], Operations: ['48/24=2', '5+55=60'] Exploring Operation: 2+60=62, Resulting Numbers: [62] 62,65 unequal: No Solution Exploring Operation: 60-2=58, Resulting Numbers: [58] 58,65 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 27, 43, 96, 8 ]
88
[ "43-27=16", "96+8=104", "104-16=88" ]
Current State: 88:[27, 43, 96, 8], Operations: [] Exploring Operation: 43-27=16, Resulting Numbers: [96, 8, 16] Generated Node #2: [96, 8, 16] from Operation: 43-27=16 Current State: 88:[96, 8, 16], Operations: ['43-27=16'] Exploring Operation: 96+8=104, Resulting Numbers: [16, 104] Generated Node #3: [16, 104] from Operation: 96+8=104 Current State: 88:[16, 104], Operations: ['43-27=16', '96+8=104'] Exploring Operation: 104-16=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
4
Current State: 88:[27, 43, 96, 8], Operations: [] Exploring Operation: 96-8=88, Resulting Numbers: [27, 43, 88] Generated Node #0,0: 88:[27, 43, 88] Operation: 96-8=88 Exploring Operation: 27-8=19, Resulting Numbers: [43, 96, 19] Generated Node #0,1: 88:[43, 96, 19] Operation: 27-8=19 Exploring Operation: 43-27=16, Resulting Numbers: [96, 8, 16] Generated Node #0,2: 88:[96, 8, 16] Operation: 43-27=16 Exploring Operation: 96/8=12, Resulting Numbers: [27, 43, 12] Generated Node #0,3: 88:[27, 43, 12] Operation: 96/8=12 Start Sub Search at level 1: Moving to Node #0,0 Current State: 88:[27, 43, 88], Operations: ['96-8=88'] Exploring Operation: 88-27=61, Resulting Numbers: [43, 61] Generated Node #0,0,0: 88:[43, 61] Operation: 88-27=61 Exploring Operation: 43-27=16, Resulting Numbers: [88, 16] Generated Node #0,0,1: 88:[88, 16] Operation: 43-27=16 Exploring Operation: 88-43=45, Resulting Numbers: [27, 45] Generated Node #0,0,2: 88:[27, 45] Operation: 88-43=45 Exploring Operation: 27+43=70, Resulting Numbers: [88, 70] Generated Node #0,0,3: 88:[88, 70] Operation: 27+43=70 Moving to Node #0,0,1 Current State: 88:[88, 16], Operations: ['96-8=88', '43-27=16'] Exploring Operation: 88*16=1408, Resulting Numbers: [1408] 1408,88 unequal: No Solution Exploring Operation: 88-16=72, Resulting Numbers: [72] 72,88 unequal: No Solution Exploring Operation: 88+16=104, Resulting Numbers: [104] 104,88 unequal: No Solution Moving to Node #0,0,2 Current State: 88:[27, 45], Operations: ['96-8=88', '88-43=45'] Exploring Operation: 45-27=18, Resulting Numbers: [18] 18,88 unequal: No Solution Exploring Operation: 27+45=72, Resulting Numbers: [72] 72,88 unequal: No Solution Exploring Operation: 27*45=1215, Resulting Numbers: [1215] 1215,88 unequal: No Solution Moving to Node #0,0,3 Current State: 88:[88, 70], Operations: ['96-8=88', '27+43=70'] Exploring Operation: 88-70=18, Resulting Numbers: [18] 18,88 unequal: No Solution Exploring Operation: 88*70=6160, Resulting Numbers: [6160] 6160,88 unequal: No Solution Exploring Operation: 88+70=158, Resulting Numbers: [158] 158,88 unequal: No Solution Moving to Node #0,0,0 Current State: 88:[43, 61], Operations: ['96-8=88', '88-27=61'] Exploring Operation: 43+61=104, Resulting Numbers: [104] 104,88 unequal: No Solution Exploring Operation: 61-43=18, Resulting Numbers: [18] 18,88 unequal: No Solution Exploring Operation: 43*61=2623, Resulting Numbers: [2623] 2623,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 88:[27, 43, 12], Operations: ['96/8=12'] Exploring Operation: 27+12=39, Resulting Numbers: [43, 39] Generated Node #0,3,0: 88:[43, 39] Operation: 27+12=39 Exploring Operation: 27-12=15, Resulting Numbers: [43, 15] Generated Node #0,3,1: 88:[43, 15] Operation: 27-12=15 Exploring Operation: 43-27=16, Resulting Numbers: [12, 16] Generated Node #0,3,2: 88:[12, 16] Operation: 43-27=16 Exploring Operation: 43-12=31, Resulting Numbers: [27, 31] Generated Node #0,3,3: 88:[27, 31] Operation: 43-12=31 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 88:[43, 15], Operations: ['96/8=12', '27-12=15'] Exploring Operation: 43-15=28, Resulting Numbers: [28] 28,88 unequal: No Solution Exploring Operation: 43+15=58, Resulting Numbers: [58] 58,88 unequal: No Solution Exploring Operation: 43*15=645, Resulting Numbers: [645] 645,88 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 88:[43, 39], Operations: ['96/8=12', '27+12=39'] Exploring Operation: 43+39=82, Resulting Numbers: [82] 82,88 unequal: No Solution Exploring Operation: 43-39=4, Resulting Numbers: [4] 4,88 unequal: No Solution Exploring Operation: 43*39=1677, Resulting Numbers: [1677] 1677,88 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 88:[12, 16], Operations: ['96/8=12', '43-27=16'] Exploring Operation: 12*16=192, Resulting Numbers: [192] 192,88 unequal: No Solution Exploring Operation: 12+16=28, Resulting Numbers: [28] 28,88 unequal: No Solution Exploring Operation: 16-12=4, Resulting Numbers: [4] 4,88 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 88:[27, 31], Operations: ['96/8=12', '43-12=31'] Exploring Operation: 27*31=837, Resulting Numbers: [837] 837,88 unequal: No Solution Exploring Operation: 27+31=58, Resulting Numbers: [58] 58,88 unequal: No Solution Exploring Operation: 31-27=4, Resulting Numbers: [4] 4,88 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 88:[43, 96, 19], Operations: ['27-8=19'] Exploring Operation: 43+19=62, Resulting Numbers: [96, 62] Generated Node #0,1,0: 88:[96, 62] Operation: 43+19=62 Exploring Operation: 43-19=24, Resulting Numbers: [96, 24] Generated Node #0,1,1: 88:[96, 24] Operation: 43-19=24 Exploring Operation: 96-43=53, Resulting Numbers: [19, 53] Generated Node #0,1,2: 88:[19, 53] Operation: 96-43=53 Exploring Operation: 96-19=77, Resulting Numbers: [43, 77] Generated Node #0,1,3: 88:[43, 77] Operation: 96-19=77 Moving to Node #0,1,1 Current State: 88:[96, 24], Operations: ['27-8=19', '43-19=24'] Exploring Operation: 96-24=72, Resulting Numbers: [72] 72,88 unequal: No Solution Exploring Operation: 96*24=2304, Resulting Numbers: [2304] 2304,88 unequal: No Solution Exploring Operation: 96/24=4, Resulting Numbers: [4] 4,88 unequal: No Solution Exploring Operation: 96+24=120, Resulting Numbers: [120] 120,88 unequal: No Solution Moving to Node #0,1,3 Current State: 88:[43, 77], Operations: ['27-8=19', '96-19=77'] Exploring Operation: 43*77=3311, Resulting Numbers: [3311] 3311,88 unequal: No Solution Exploring Operation: 77-43=34, Resulting Numbers: [34] 34,88 unequal: No Solution Exploring Operation: 43+77=120, Resulting Numbers: [120] 120,88 unequal: No Solution Moving to Node #0,1,2 Current State: 88:[19, 53], Operations: ['27-8=19', '96-43=53'] Exploring Operation: 53-19=34, Resulting Numbers: [34] 34,88 unequal: No Solution Exploring Operation: 19*53=1007, Resulting Numbers: [1007] 1007,88 unequal: No Solution Exploring Operation: 19+53=72, Resulting Numbers: [72] 72,88 unequal: No Solution Moving to Node #0,1,0 Current State: 88:[96, 62], Operations: ['27-8=19', '43+19=62'] Exploring Operation: 96*62=5952, Resulting Numbers: [5952] 5952,88 unequal: No Solution Exploring Operation: 96+62=158, Resulting Numbers: [158] 158,88 unequal: No Solution Exploring Operation: 96-62=34, Resulting Numbers: [34] 34,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 88:[96, 8, 16], Operations: ['43-27=16'] Exploring Operation: 96/8=12, Resulting Numbers: [16, 12] Generated Node #0,2,0: 88:[16, 12] Operation: 96/8=12 Exploring Operation: 96-8=88, Resulting Numbers: [16, 88] Generated Node #0,2,1: 88:[16, 88] Operation: 96-8=88 Exploring Operation: 96/16=6, Resulting Numbers: [8, 6] Generated Node #0,2,2: 88:[8, 6] Operation: 96/16=6 Exploring Operation: 96-16=80, Resulting Numbers: [8, 80] Generated Node #0,2,3: 88:[8, 80] Operation: 96-16=80 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 88:[8, 6], Operations: ['43-27=16', '96/16=6'] Exploring Operation: 8*6=48, Resulting Numbers: [48] 48,88 unequal: No Solution Exploring Operation: 8-6=2, Resulting Numbers: [2] 2,88 unequal: No Solution Exploring Operation: 8+6=14, Resulting Numbers: [14] 14,88 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 88:[16, 88], Operations: ['43-27=16', '96-8=88'] Exploring Operation: 16+88=104, Resulting Numbers: [104] 104,88 unequal: No Solution Exploring Operation: 88-16=72, Resulting Numbers: [72] 72,88 unequal: No Solution Exploring Operation: 16*88=1408, Resulting Numbers: [1408] 1408,88 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 88:[16, 12], Operations: ['43-27=16', '96/8=12'] Exploring Operation: 16-12=4, Resulting Numbers: [4] 4,88 unequal: No Solution Exploring Operation: 16*12=192, Resulting Numbers: [192] 192,88 unequal: No Solution Exploring Operation: 16+12=28, Resulting Numbers: [28] 28,88 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 88:[8, 80], Operations: ['43-27=16', '96-16=80'] Exploring Operation: 8*80=640, Resulting Numbers: [640] 640,88 unequal: No Solution Exploring Operation: 80/8=10, Resulting Numbers: [10] 10,88 unequal: No Solution Exploring Operation: 8+80=88, Resulting Numbers: [88] 88,88 equal: Goal Reached Moving to Node #0 Current State: 88:[27, 43, 96, 8], Operations: [] Exploring Operation: 43-27=16, Resulting Numbers: [96, 8, 16] Generated Node #0,2: 88:[96, 8, 16] Operation: 43-27=16 Moving to Node #0,2 Current State: 88:[96, 8, 16], Operations: ['43-27=16'] Exploring Operation: 96-16=80, Resulting Numbers: [8, 80] Generated Node #0,2,3: 88:[8, 80] Operation: 96-16=80 Moving to Node #0,2,3 Current State: 88:[8, 80], Operations: ['43-27=16', '96-16=80'] Exploring Operation: 8+80=88, Resulting Numbers: [88] 88,88 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.936632
hs_4
sum_heuristic
[ 22, 72, 2, 88 ]
60
[ "22*2=44", "88-72=16", "44+16=60" ]
Current State: 60:[22, 72, 2, 88], Operations: [] Exploring Operation: 22*2=44, Resulting Numbers: [72, 88, 44] Generated Node #2: [72, 88, 44] from Operation: 22*2=44 Current State: 60:[72, 88, 44], Operations: ['22*2=44'] Exploring Operation: 88-72=16, Resulting Numbers: [44, 16] Generated Node #3: [44, 16] from Operation: 88-72=16 Current State: 60:[44, 16], Operations: ['22*2=44', '88-72=16'] Exploring Operation: 44+16=60, Resulting Numbers: [60] 60,60 equal: Goal Reached
4
Current State: 60:[22, 72, 2, 88], Operations: [] Exploring Operation: 88/22=4, Resulting Numbers: [72, 2, 4] Generated Node #0,0: 60:[72, 2, 4] Operation: 88/22=4 Exploring Operation: 88-72=16, Resulting Numbers: [22, 2, 16] Generated Node #0,1: 60:[22, 2, 16] Operation: 88-72=16 Exploring Operation: 88-22=66, Resulting Numbers: [72, 2, 66] Generated Node #0,2: 60:[72, 2, 66] Operation: 88-22=66 Exploring Operation: 88/2=44, Resulting Numbers: [22, 72, 44] Generated Node #0,3: 60:[22, 72, 44] Operation: 88/2=44 Moving to Node #0,1 Current State: 60:[22, 2, 16], Operations: ['88-72=16'] Exploring Operation: 22-16=6, Resulting Numbers: [2, 6] Generated Node #0,1,0: 60:[2, 6] Operation: 22-16=6 Exploring Operation: 16-2=14, Resulting Numbers: [22, 14] Generated Node #0,1,1: 60:[22, 14] Operation: 16-2=14 Exploring Operation: 22/2=11, Resulting Numbers: [16, 11] Generated Node #0,1,2: 60:[16, 11] Operation: 22/2=11 Exploring Operation: 22-2=20, Resulting Numbers: [16, 20] Generated Node #0,1,3: 60:[16, 20] Operation: 22-2=20 Moving to Node #0,0 Current State: 60:[72, 2, 4], Operations: ['88/22=4'] Exploring Operation: 72-4=68, Resulting Numbers: [2, 68] Generated Node #0,0,0: 60:[2, 68] Operation: 72-4=68 Exploring Operation: 72-2=70, Resulting Numbers: [4, 70] Generated Node #0,0,1: 60:[4, 70] Operation: 72-2=70 Exploring Operation: 72/4=18, Resulting Numbers: [2, 18] Generated Node #0,0,2: 60:[2, 18] Operation: 72/4=18 Exploring Operation: 72/2=36, Resulting Numbers: [4, 36] Generated Node #0,0,3: 60:[4, 36] Operation: 72/2=36 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 60:[2, 18], Operations: ['88/22=4', '72/4=18'] Exploring Operation: 2+18=20, Resulting Numbers: [20] 20,60 unequal: No Solution Exploring Operation: 18-2=16, Resulting Numbers: [16] 16,60 unequal: No Solution Exploring Operation: 2*18=36, Resulting Numbers: [36] 36,60 unequal: No Solution Exploring Operation: 18/2=9, Resulting Numbers: [9] 9,60 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 60:[4, 36], Operations: ['88/22=4', '72/2=36'] Exploring Operation: 4*36=144, Resulting Numbers: [144] 144,60 unequal: No Solution Exploring Operation: 36/4=9, Resulting Numbers: [9] 9,60 unequal: No Solution Exploring Operation: 4+36=40, Resulting Numbers: [40] 40,60 unequal: No Solution Exploring Operation: 36-4=32, Resulting Numbers: [32] 32,60 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 60:[2, 68], Operations: ['88/22=4', '72-4=68'] Exploring Operation: 68/2=34, Resulting Numbers: [34] 34,60 unequal: No Solution Exploring Operation: 68-2=66, Resulting Numbers: [66] 66,60 unequal: No Solution Exploring Operation: 2+68=70, Resulting Numbers: [70] 70,60 unequal: No Solution Exploring Operation: 2*68=136, Resulting Numbers: [136] 136,60 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 60:[4, 70], Operations: ['88/22=4', '72-2=70'] Exploring Operation: 4+70=74, Resulting Numbers: [74] 74,60 unequal: No Solution Exploring Operation: 4*70=280, Resulting Numbers: [280] 280,60 unequal: No Solution Exploring Operation: 70-4=66, Resulting Numbers: [66] 66,60 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: 60:[72, 2, 66], Operations: ['88-22=66'] Exploring Operation: 66/2=33, Resulting Numbers: [72, 33] Generated Node #0,2,0: 60:[72, 33] Operation: 66/2=33 Exploring Operation: 72-2=70, Resulting Numbers: [66, 70] Generated Node #0,2,1: 60:[66, 70] Operation: 72-2=70 Exploring Operation: 72-66=6, Resulting Numbers: [2, 6] Generated Node #0,2,2: 60:[2, 6] Operation: 72-66=6 Exploring Operation: 72/2=36, Resulting Numbers: [66, 36] Generated Node #0,2,3: 60:[66, 36] Operation: 72/2=36 Moving to Node #0,3 Current State: 60:[22, 72, 44], Operations: ['88/2=44'] Exploring Operation: 44-22=22, Resulting Numbers: [72, 22] Generated Node #0,3,0: 60:[72, 22] Operation: 44-22=22 Exploring Operation: 44/22=2, Resulting Numbers: [72, 2] Generated Node #0,3,1: 60:[72, 2] Operation: 44/22=2 Exploring Operation: 72-44=28, Resulting Numbers: [22, 28] Generated Node #0,3,2: 60:[22, 28] Operation: 72-44=28 Exploring Operation: 22+44=66, Resulting Numbers: [72, 66] Generated Node #0,3,3: 60:[72, 66] Operation: 22+44=66 Moving to Node #0,1,0 Current State: 60:[2, 6], Operations: ['88-72=16', '22-16=6'] Exploring Operation: 2*6=12, Resulting Numbers: [12] 12,60 unequal: No Solution Exploring Operation: 6-2=4, Resulting Numbers: [4] 4,60 unequal: No Solution Exploring Operation: 6/2=3, Resulting Numbers: [3] 3,60 unequal: No Solution Exploring Operation: 2+6=8, Resulting Numbers: [8] 8,60 unequal: No Solution Moving to Node #0,2,2 Current State: 60:[2, 6], Operations: ['88-22=66', '72-66=6'] Exploring Operation: 2*6=12, Resulting Numbers: [12] 12,60 unequal: No Solution Exploring Operation: 2+6=8, Resulting Numbers: [8] 8,60 unequal: No Solution Exploring Operation: 6-2=4, Resulting Numbers: [4] 4,60 unequal: No Solution Exploring Operation: 6/2=3, Resulting Numbers: [3] 3,60 unequal: No Solution Moving to Node #0,1,3 Current State: 60:[16, 20], Operations: ['88-72=16', '22-2=20'] Exploring Operation: 16+20=36, Resulting Numbers: [36] 36,60 unequal: No Solution Exploring Operation: 20-16=4, Resulting Numbers: [4] 4,60 unequal: No Solution Exploring Operation: 16*20=320, Resulting Numbers: [320] 320,60 unequal: No Solution Moving to Node #0,1,2 Current State: 60:[16, 11], Operations: ['88-72=16', '22/2=11'] Exploring Operation: 16-11=5, Resulting Numbers: [5] 5,60 unequal: No Solution Exploring Operation: 16+11=27, Resulting Numbers: [27] 27,60 unequal: No Solution Exploring Operation: 16*11=176, Resulting Numbers: [176] 176,60 unequal: No Solution Moving to Node #0,1,1 Current State: 60:[22, 14], Operations: ['88-72=16', '16-2=14'] Exploring Operation: 22-14=8, Resulting Numbers: [8] 8,60 unequal: No Solution Exploring Operation: 22+14=36, Resulting Numbers: [36] 36,60 unequal: No Solution Exploring Operation: 22*14=308, Resulting Numbers: [308] 308,60 unequal: No Solution Moving to Node #0,3,2 Current State: 60:[22, 28], Operations: ['88/2=44', '72-44=28'] Exploring Operation: 22+28=50, Resulting Numbers: [50] 50,60 unequal: No Solution Exploring Operation: 22*28=616, Resulting Numbers: [616] 616,60 unequal: No Solution Exploring Operation: 28-22=6, Resulting Numbers: [6] 6,60 unequal: No Solution Moving to Node #0,2,3 Current State: 60:[66, 36], Operations: ['88-22=66', '72/2=36'] Exploring Operation: 66-36=30, Resulting Numbers: [30] 30,60 unequal: No Solution Exploring Operation: 66+36=102, Resulting Numbers: [102] 102,60 unequal: No Solution Exploring Operation: 66*36=2376, Resulting Numbers: [2376] 2376,60 unequal: No Solution Moving to Node #0,3,1 Current State: 60:[72, 2], Operations: ['88/2=44', '44/22=2'] Exploring Operation: 72/2=36, Resulting Numbers: [36] 36,60 unequal: No Solution Exploring Operation: 72+2=74, Resulting Numbers: [74] 74,60 unequal: No Solution Exploring Operation: 72*2=144, Resulting Numbers: [144] 144,60 unequal: No Solution Exploring Operation: 72-2=70, Resulting Numbers: [70] 70,60 unequal: No Solution Moving to Node #0,3,0 Current State: 60:[72, 22], Operations: ['88/2=44', '44-22=22'] Exploring Operation: 72+22=94, Resulting Numbers: [94] 94,60 unequal: No Solution Exploring Operation: 72-22=50, Resulting Numbers: [50] 50,60 unequal: No Solution Exploring Operation: 72*22=1584, Resulting Numbers: [1584] 1584,60 unequal: No Solution Moving to Node #0,2,0 Current State: 60:[72, 33], Operations: ['88-22=66', '66/2=33'] Exploring Operation: 72+33=105, Resulting Numbers: [105] 105,60 unequal: No Solution Exploring Operation: 72-33=39, Resulting Numbers: [39] 39,60 unequal: No Solution Exploring Operation: 72*33=2376, Resulting Numbers: [2376] 2376,60 unequal: No Solution Moving to Node #0,2,1 Current State: 60:[66, 70], Operations: ['88-22=66', '72-2=70'] Exploring Operation: 66+70=136, Resulting Numbers: [136] 136,60 unequal: No Solution Exploring Operation: 66*70=4620, Resulting Numbers: [4620] 4620,60 unequal: No Solution Exploring Operation: 70-66=4, Resulting Numbers: [4] 4,60 unequal: No Solution Moving to Node #0,3,3 Current State: 60:[72, 66], Operations: ['88/2=44', '22+44=66'] Exploring Operation: 72*66=4752, Resulting Numbers: [4752] 4752,60 unequal: No Solution Exploring Operation: 72-66=6, Resulting Numbers: [6] 6,60 unequal: No Solution Exploring Operation: 72+66=138, Resulting Numbers: [138] 138,60 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 56, 54, 1, 21 ]
19
[ "56-54=2", "1*21=21", "21-2=19" ]
Current State: 19:[56, 54, 1, 21], Operations: [] Exploring Operation: 56-54=2, Resulting Numbers: [1, 21, 2] Generated Node #2: [1, 21, 2] from Operation: 56-54=2 Current State: 19:[1, 21, 2], Operations: ['56-54=2'] Exploring Operation: 1*21=21, Resulting Numbers: [2, 21] Generated Node #3: [2, 21] from Operation: 1*21=21 Current State: 19:[2, 21], Operations: ['56-54=2', '1*21=21'] Exploring Operation: 21-2=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
4
Current State: 19:[56, 54, 1, 21], Operations: [] Exploring Operation: 54-1=53, Resulting Numbers: [56, 21, 53] Generated Node #0,0: 19:[56, 21, 53] Operation: 54-1=53 Exploring Operation: 56-54=2, Resulting Numbers: [1, 21, 2] Generated Node #0,1: 19:[1, 21, 2] Operation: 56-54=2 Exploring Operation: 56-21=35, Resulting Numbers: [54, 1, 35] Generated Node #0,2: 19:[54, 1, 35] Operation: 56-21=35 Exploring Operation: 56-1=55, Resulting Numbers: [54, 21, 55] Generated Node #0,3: 19:[54, 21, 55] Operation: 56-1=55 Exploring Operation: 54-21=33, Resulting Numbers: [56, 1, 33] Generated Node #0,4: 19:[56, 1, 33] Operation: 54-21=33 Start Sub Search at level 1: Moving to Node #0,1 Current State: 19:[1, 21, 2], Operations: ['56-54=2'] Exploring Operation: 1*21=21, Resulting Numbers: [2, 21] Generated Node #0,1,0: 19:[2, 21] Operation: 1*21=21 Exploring Operation: 1+2=3, Resulting Numbers: [21, 3] Generated Node #0,1,1: 19:[21, 3] Operation: 1+2=3 Exploring Operation: 21-2=19, Resulting Numbers: [1, 19] Generated Node #0,1,2: 19:[1, 19] Operation: 21-2=19 Exploring Operation: 21-1=20, Resulting Numbers: [2, 20] Generated Node #0,1,3: 19:[2, 20] Operation: 21-1=20 Exploring Operation: 21/1=21, Resulting Numbers: [2, 21] Generated Node #0,1,4: 19:[2, 21] Operation: 21/1=21 Moving to Node #0,1,1 Current State: 19:[21, 3], Operations: ['56-54=2', '1+2=3'] Exploring Operation: 21/3=7, Resulting Numbers: [7] 7,19 unequal: No Solution Exploring Operation: 21*3=63, Resulting Numbers: [63] 63,19 unequal: No Solution Exploring Operation: 21+3=24, Resulting Numbers: [24] 24,19 unequal: No Solution Exploring Operation: 21-3=18, Resulting Numbers: [18] 18,19 unequal: No Solution Moving to Node #0,1,3 Current State: 19:[2, 20], Operations: ['56-54=2', '21-1=20'] Exploring Operation: 2+20=22, Resulting Numbers: [22] 22,19 unequal: No Solution Exploring Operation: 20-2=18, Resulting Numbers: [18] 18,19 unequal: No Solution Exploring Operation: 2*20=40, Resulting Numbers: [40] 40,19 unequal: No Solution Exploring Operation: 20/2=10, Resulting Numbers: [10] 10,19 unequal: No Solution Moving to Node #0,1,2 Current State: 19:[1, 19], Operations: ['56-54=2', '21-2=19'] Exploring Operation: 1+19=20, Resulting Numbers: [20] 20,19 unequal: No Solution Exploring Operation: 19-1=18, Resulting Numbers: [18] 18,19 unequal: No Solution Exploring Operation: 19/1=19, Resulting Numbers: [19] 19,19 equal: Goal Reached Moving to Node #0 Current State: 19:[56, 54, 1, 21], Operations: [] Exploring Operation: 56-54=2, Resulting Numbers: [1, 21, 2] Generated Node #0,1: 19:[1, 21, 2] Operation: 56-54=2 Moving to Node #0,1 Current State: 19:[1, 21, 2], Operations: ['56-54=2'] Exploring Operation: 21-2=19, Resulting Numbers: [1, 19] Generated Node #0,1,2: 19:[1, 19] Operation: 21-2=19 Moving to Node #0,1,2 Current State: 19:[1, 19], Operations: ['56-54=2', '21-2=19'] Exploring Operation: 19/1=19, Resulting Numbers: [19] 19,19 equal: Goal Reached Exit Sub Search at level 1
0.978299
hs_5
sum_heuristic
[ 24, 3, 32, 6 ]
74
[ "24+32=56", "3*6=18", "56+18=74" ]
Current State: 74:[24, 3, 32, 6], Operations: [] Exploring Operation: 24+32=56, Resulting Numbers: [3, 6, 56] Generated Node #2: [3, 6, 56] from Operation: 24+32=56 Current State: 74:[3, 6, 56], Operations: ['24+32=56'] Exploring Operation: 3*6=18, Resulting Numbers: [56, 18] Generated Node #3: [56, 18] from Operation: 3*6=18 Current State: 74:[56, 18], Operations: ['24+32=56', '3*6=18'] Exploring Operation: 56+18=74, Resulting Numbers: [74] 74,74 equal: Goal Reached
4
Current State: 74:[24, 3, 32, 6], Operations: [] Exploring Operation: 24*3=72, Resulting Numbers: [32, 6, 72] Generated Node #0,0: 74:[32, 6, 72] Operation: 24*3=72 Exploring Operation: 24/6=4, Resulting Numbers: [3, 32, 4] Generated Node #0,1: 74:[3, 32, 4] Operation: 24/6=4 Exploring Operation: 32-24=8, Resulting Numbers: [3, 6, 8] Generated Node #0,2: 74:[3, 6, 8] Operation: 32-24=8 Moving to Node #0,1 Current State: 74:[3, 32, 4], Operations: ['24/6=4'] Exploring Operation: 4-3=1, Resulting Numbers: [32, 1] Generated Node #0,1,0: 74:[32, 1] Operation: 4-3=1 Exploring Operation: 32+4=36, Resulting Numbers: [3, 36] Generated Node #0,1,1: 74:[3, 36] Operation: 32+4=36 Exploring Operation: 3+32=35, Resulting Numbers: [4, 35] Generated Node #0,1,2: 74:[4, 35] Operation: 3+32=35 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 74:[3, 36], Operations: ['24/6=4', '32+4=36'] Exploring Operation: 36/3=12, Resulting Numbers: [12] 12,74 unequal: No Solution Exploring Operation: 3+36=39, Resulting Numbers: [39] 39,74 unequal: No Solution Exploring Operation: 36-3=33, Resulting Numbers: [33] 33,74 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 74:[4, 35], Operations: ['24/6=4', '3+32=35'] Exploring Operation: 35-4=31, Resulting Numbers: [31] 31,74 unequal: No Solution Exploring Operation: 4+35=39, Resulting Numbers: [39] 39,74 unequal: No Solution Exploring Operation: 4*35=140, Resulting Numbers: [140] 140,74 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 74:[32, 1], Operations: ['24/6=4', '4-3=1'] Exploring Operation: 32*1=32, Resulting Numbers: [32] 32,74 unequal: No Solution Exploring Operation: 32/1=32, Resulting Numbers: [32] 32,74 unequal: No Solution Exploring Operation: 32+1=33, Resulting Numbers: [33] 33,74 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: 74:[32, 6, 72], Operations: ['24*3=72'] Exploring Operation: 72-32=40, Resulting Numbers: [6, 40] Generated Node #0,0,0: 74:[6, 40] Operation: 72-32=40 Exploring Operation: 32+6=38, Resulting Numbers: [72, 38] Generated Node #0,0,1: 74:[72, 38] Operation: 32+6=38 Exploring Operation: 6+72=78, Resulting Numbers: [32, 78] Generated Node #0,0,2: 74:[32, 78] Operation: 6+72=78 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 74:[72, 38], Operations: ['24*3=72', '32+6=38'] Exploring Operation: 72-38=34, Resulting Numbers: [34] 34,74 unequal: No Solution Exploring Operation: 72*38=2736, Resulting Numbers: [2736] 2736,74 unequal: No Solution Exploring Operation: 72+38=110, Resulting Numbers: [110] 110,74 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 74:[6, 40], Operations: ['24*3=72', '72-32=40'] Exploring Operation: 6*40=240, Resulting Numbers: [240] 240,74 unequal: No Solution Exploring Operation: 40-6=34, Resulting Numbers: [34] 34,74 unequal: No Solution Exploring Operation: 6+40=46, Resulting Numbers: [46] 46,74 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 74:[32, 78], Operations: ['24*3=72', '6+72=78'] Exploring Operation: 32+78=110, Resulting Numbers: [110] 110,74 unequal: No Solution Exploring Operation: 32*78=2496, Resulting Numbers: [2496] 2496,74 unequal: No Solution Exploring Operation: 78-32=46, Resulting Numbers: [46] 46,74 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: 74:[3, 6, 8], Operations: ['32-24=8'] Exploring Operation: 8-6=2, Resulting Numbers: [3, 2] Generated Node #0,2,0: 74:[3, 2] Operation: 8-6=2 Exploring Operation: 6-3=3, Resulting Numbers: [8, 3] Generated Node #0,2,1: 74:[8, 3] Operation: 6-3=3 Exploring Operation: 6/3=2, Resulting Numbers: [8, 2] Generated Node #0,2,2: 74:[8, 2] Operation: 6/3=2 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 74:[3, 2], Operations: ['32-24=8', '8-6=2'] Exploring Operation: 3+2=5, Resulting Numbers: [5] 5,74 unequal: No Solution Exploring Operation: 3*2=6, Resulting Numbers: [6] 6,74 unequal: No Solution Exploring Operation: 3-2=1, Resulting Numbers: [1] 1,74 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 74:[8, 2], Operations: ['32-24=8', '6/3=2'] Exploring Operation: 8/2=4, Resulting Numbers: [4] 4,74 unequal: No Solution Exploring Operation: 8-2=6, Resulting Numbers: [6] 6,74 unequal: No Solution Exploring Operation: 8+2=10, Resulting Numbers: [10] 10,74 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 74:[8, 3], Operations: ['32-24=8', '6-3=3'] Exploring Operation: 8-3=5, Resulting Numbers: [5] 5,74 unequal: No Solution Exploring Operation: 8*3=24, Resulting Numbers: [24] 24,74 unequal: No Solution Exploring Operation: 8+3=11, Resulting Numbers: [11] 11,74 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 86, 58, 29, 37 ]
36
[ "86-58=28", "37-29=8", "28+8=36" ]
Current State: 36:[86, 58, 29, 37], Operations: [] Exploring Operation: 86-58=28, Resulting Numbers: [29, 37, 28] Generated Node #2: [29, 37, 28] from Operation: 86-58=28 Current State: 36:[29, 37, 28], Operations: ['86-58=28'] Exploring Operation: 37-29=8, Resulting Numbers: [28, 8] Generated Node #3: [28, 8] from Operation: 37-29=8 Current State: 36:[28, 8], Operations: ['86-58=28', '37-29=8'] Exploring Operation: 28+8=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
4
Current State: 36:[86, 58, 29, 37], Operations: [] Exploring Operation: 86-58=28, Resulting Numbers: [29, 37, 28] Generated Node #0,0: 36:[29, 37, 28] Operation: 86-58=28 Exploring Operation: 58-29=29, Resulting Numbers: [86, 37, 29] Generated Node #0,1: 36:[86, 37, 29] Operation: 58-29=29 Exploring Operation: 86-29=57, Resulting Numbers: [58, 37, 57] Generated Node #0,2: 36:[58, 37, 57] Operation: 86-29=57 Exploring Operation: 58/29=2, Resulting Numbers: [86, 37, 2] Generated Node #0,3: 36:[86, 37, 2] Operation: 58/29=2 Exploring Operation: 86-37=49, Resulting Numbers: [58, 29, 49] Generated Node #0,4: 36:[58, 29, 49] Operation: 86-37=49 Moving to Node #0,0 Current State: 36:[29, 37, 28], Operations: ['86-58=28'] Exploring Operation: 37-28=9, Resulting Numbers: [29, 9] Generated Node #0,0,0: 36:[29, 9] Operation: 37-28=9 Exploring Operation: 29-28=1, Resulting Numbers: [37, 1] Generated Node #0,0,1: 36:[37, 1] Operation: 29-28=1 Exploring Operation: 37-29=8, Resulting Numbers: [28, 8] Generated Node #0,0,2: 36:[28, 8] Operation: 37-29=8 Exploring Operation: 29+28=57, Resulting Numbers: [37, 57] Generated Node #0,0,3: 36:[37, 57] Operation: 29+28=57 Exploring Operation: 37+28=65, Resulting Numbers: [29, 65] Generated Node #0,0,4: 36:[29, 65] Operation: 37+28=65 Moving to Node #0,4 Current State: 36:[58, 29, 49], Operations: ['86-37=49'] Exploring Operation: 58-49=9, Resulting Numbers: [29, 9] Generated Node #0,4,0: 36:[29, 9] Operation: 58-49=9 Exploring Operation: 58+29=87, Resulting Numbers: [49, 87] Generated Node #0,4,1: 36:[49, 87] Operation: 58+29=87 Exploring Operation: 49-29=20, Resulting Numbers: [58, 20] Generated Node #0,4,2: 36:[58, 20] Operation: 49-29=20 Exploring Operation: 58-29=29, Resulting Numbers: [49, 29] Generated Node #0,4,3: 36:[49, 29] Operation: 58-29=29 Exploring Operation: 58/29=2, Resulting Numbers: [49, 2] Generated Node #0,4,4: 36:[49, 2] Operation: 58/29=2 Moving to Node #0,2 Current State: 36:[58, 37, 57], Operations: ['86-29=57'] Exploring Operation: 58-37=21, Resulting Numbers: [57, 21] Generated Node #0,2,0: 36:[57, 21] Operation: 58-37=21 Exploring Operation: 57-37=20, Resulting Numbers: [58, 20] Generated Node #0,2,1: 36:[58, 20] Operation: 57-37=20 Exploring Operation: 58+37=95, Resulting Numbers: [57, 95] Generated Node #0,2,2: 36:[57, 95] Operation: 58+37=95 Exploring Operation: 58-57=1, Resulting Numbers: [37, 1] Generated Node #0,2,3: 36:[37, 1] Operation: 58-57=1 Exploring Operation: 58+57=115, Resulting Numbers: [37, 115] Generated Node #0,2,4: 36:[37, 115] Operation: 58+57=115 Moving to Node #0,3 Current State: 36:[86, 37, 2], Operations: ['58/29=2'] Exploring Operation: 37-2=35, Resulting Numbers: [86, 35] Generated Node #0,3,0: 36:[86, 35] Operation: 37-2=35 Exploring Operation: 86-37=49, Resulting Numbers: [2, 49] Generated Node #0,3,1: 36:[2, 49] Operation: 86-37=49 Exploring Operation: 86+2=88, Resulting Numbers: [37, 88] Generated Node #0,3,2: 36:[37, 88] Operation: 86+2=88 Exploring Operation: 86-2=84, Resulting Numbers: [37, 84] Generated Node #0,3,3: 36:[37, 84] Operation: 86-2=84 Exploring Operation: 86/2=43, Resulting Numbers: [37, 43] Generated Node #0,3,4: 36:[37, 43] Operation: 86/2=43 Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 36:[37, 43], Operations: ['58/29=2', '86/2=43'] Exploring Operation: 37*43=1591, Resulting Numbers: [1591] 1591,36 unequal: No Solution Exploring Operation: 43-37=6, Resulting Numbers: [6] 6,36 unequal: No Solution Exploring Operation: 37+43=80, Resulting Numbers: [80] 80,36 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 #0,3,1 Current State: 36:[2, 49], Operations: ['58/29=2', '86-37=49'] Exploring Operation: 2+49=51, Resulting Numbers: [51] 51,36 unequal: No Solution Exploring Operation: 2*49=98, Resulting Numbers: [98] 98,36 unequal: No Solution Exploring Operation: 49-2=47, Resulting Numbers: [47] 47,36 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 #0,3,3 Current State: 36:[37, 84], Operations: ['58/29=2', '86-2=84'] Exploring Operation: 37*84=3108, Resulting Numbers: [3108] 3108,36 unequal: No Solution Exploring Operation: 84-37=47, Resulting Numbers: [47] 47,36 unequal: No Solution Exploring Operation: 37+84=121, Resulting Numbers: [121] 121,36 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 #0,3,0 Current State: 36:[86, 35], Operations: ['58/29=2', '37-2=35'] Exploring Operation: 86*35=3010, Resulting Numbers: [3010] 3010,36 unequal: No Solution Exploring Operation: 86-35=51, Resulting Numbers: [51] 51,36 unequal: No Solution Exploring Operation: 86+35=121, Resulting Numbers: [121] 121,36 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 #0,3,2 Current State: 36:[37, 88], Operations: ['58/29=2', '86+2=88'] Exploring Operation: 37*88=3256, Resulting Numbers: [3256] 3256,36 unequal: No Solution Exploring Operation: 88-37=51, Resulting Numbers: [51] 51,36 unequal: No Solution Exploring Operation: 37+88=125, Resulting Numbers: [125] 125,36 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: 36:[86, 37, 29], Operations: ['58-29=29'] Exploring Operation: 86+29=115, Resulting Numbers: [37, 115] Generated Node #0,1,0: 36:[37, 115] Operation: 86+29=115 Exploring Operation: 37+29=66, Resulting Numbers: [86, 66] Generated Node #0,1,1: 36:[86, 66] Operation: 37+29=66 Exploring Operation: 86-29=57, Resulting Numbers: [37, 57] Generated Node #0,1,2: 36:[37, 57] Operation: 86-29=57 Exploring Operation: 86-37=49, Resulting Numbers: [29, 49] Generated Node #0,1,3: 36:[29, 49] Operation: 86-37=49 Exploring Operation: 37-29=8, Resulting Numbers: [86, 8] Generated Node #0,1,4: 36:[86, 8] Operation: 37-29=8 Moving to Node #0,0,1 Current State: 36:[37, 1], Operations: ['86-58=28', '29-28=1'] Exploring Operation: 37*1=37, Resulting Numbers: [37] 37,36 unequal: No Solution Exploring Operation: 37-1=36, Resulting Numbers: [36] 36,36 equal: Goal Reached Moving to Node #0 Current State: 36:[86, 58, 29, 37], Operations: [] Exploring Operation: 86-58=28, Resulting Numbers: [29, 37, 28] Generated Node #0,0: 36:[29, 37, 28] Operation: 86-58=28 Moving to Node #0,0 Current State: 36:[29, 37, 28], Operations: ['86-58=28'] Exploring Operation: 29-28=1, Resulting Numbers: [37, 1] Generated Node #0,0,1: 36:[37, 1] Operation: 29-28=1 Moving to Node #0,0,1 Current State: 36:[37, 1], Operations: ['86-58=28', '29-28=1'] Exploring Operation: 37-1=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
0.955729
hs_5
mult_heuristic
[ 8, 11, 6, 69 ]
24
[ "11*6=66", "69-66=3", "8*3=24" ]
Current State: 24:[8, 11, 6, 69], Operations: [] Exploring Operation: 11*6=66, Resulting Numbers: [8, 69, 66] Generated Node #2: [8, 69, 66] from Operation: 11*6=66 Current State: 24:[8, 69, 66], Operations: ['11*6=66'] Exploring Operation: 69-66=3, Resulting Numbers: [8, 3] Generated Node #3: [8, 3] from Operation: 69-66=3 Current State: 24:[8, 3], Operations: ['11*6=66', '69-66=3'] Exploring Operation: 8*3=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
4
Current State: 24:[8, 11, 6, 69], Operations: [] Exploring Operation: 69-6=63, Resulting Numbers: [8, 11, 63] Generated Node #0,0: 24:[8, 11, 63] Operation: 69-6=63 Exploring Operation: 69-11=58, Resulting Numbers: [8, 6, 58] Generated Node #0,1: 24:[8, 6, 58] Operation: 69-11=58 Exploring Operation: 69-8=61, Resulting Numbers: [11, 6, 61] Generated Node #0,2: 24:[11, 6, 61] Operation: 69-8=61 Moving to Node #0,1 Current State: 24:[8, 6, 58], Operations: ['69-11=58'] Exploring Operation: 8-6=2, Resulting Numbers: [58, 2] Generated Node #0,1,0: 24:[58, 2] Operation: 8-6=2 Exploring Operation: 58-8=50, Resulting Numbers: [6, 50] Generated Node #0,1,1: 24:[6, 50] Operation: 58-8=50 Exploring Operation: 58-6=52, Resulting Numbers: [8, 52] Generated Node #0,1,2: 24:[8, 52] Operation: 58-6=52 Moving to Node #0,2 Current State: 24:[11, 6, 61], Operations: ['69-8=61'] Exploring Operation: 11-6=5, Resulting Numbers: [61, 5] Generated Node #0,2,0: 24:[61, 5] Operation: 11-6=5 Exploring Operation: 61-11=50, Resulting Numbers: [6, 50] Generated Node #0,2,1: 24:[6, 50] Operation: 61-11=50 Exploring Operation: 61-6=55, Resulting Numbers: [11, 55] Generated Node #0,2,2: 24:[11, 55] Operation: 61-6=55 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 24:[6, 50], Operations: ['69-8=61', '61-11=50'] Exploring Operation: 50-6=44, Resulting Numbers: [44] 44,24 unequal: No Solution Exploring Operation: 6+50=56, Resulting Numbers: [56] 56,24 unequal: No Solution Exploring Operation: 6*50=300, Resulting Numbers: [300] 300,24 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 24:[11, 55], Operations: ['69-8=61', '61-6=55'] Exploring Operation: 55-11=44, Resulting Numbers: [44] 44,24 unequal: No Solution Exploring Operation: 55/11=5, Resulting Numbers: [5] 5,24 unequal: No Solution Exploring Operation: 11+55=66, Resulting Numbers: [66] 66,24 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 24:[61, 5], Operations: ['69-8=61', '11-6=5'] Exploring Operation: 61-5=56, Resulting Numbers: [56] 56,24 unequal: No Solution Exploring Operation: 61*5=305, Resulting Numbers: [305] 305,24 unequal: No Solution Exploring Operation: 61+5=66, Resulting Numbers: [66] 66,24 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: 24:[8, 11, 63], Operations: ['69-6=63'] Exploring Operation: 63-8=55, Resulting Numbers: [11, 55] Generated Node #0,0,0: 24:[11, 55] Operation: 63-8=55 Exploring Operation: 63-11=52, Resulting Numbers: [8, 52] Generated Node #0,0,1: 24:[8, 52] Operation: 63-11=52 Exploring Operation: 11-8=3, Resulting Numbers: [63, 3] Generated Node #0,0,2: 24:[63, 3] Operation: 11-8=3 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 24:[8, 52], Operations: ['69-6=63', '63-11=52'] Exploring Operation: 8+52=60, Resulting Numbers: [60] 60,24 unequal: No Solution Exploring Operation: 52-8=44, Resulting Numbers: [44] 44,24 unequal: No Solution Exploring Operation: 8*52=416, Resulting Numbers: [416] 416,24 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 24:[11, 55], Operations: ['69-6=63', '63-8=55'] Exploring Operation: 55-11=44, Resulting Numbers: [44] 44,24 unequal: No Solution Exploring Operation: 55/11=5, Resulting Numbers: [5] 5,24 unequal: No Solution Exploring Operation: 11+55=66, Resulting Numbers: [66] 66,24 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 24:[63, 3], Operations: ['69-6=63', '11-8=3'] Exploring Operation: 63-3=60, Resulting Numbers: [60] 60,24 unequal: No Solution Exploring Operation: 63+3=66, Resulting Numbers: [66] 66,24 unequal: No Solution Exploring Operation: 63/3=21, Resulting Numbers: [21] 21,24 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: 24:[6, 50], Operations: ['69-11=58', '58-8=50'] Exploring Operation: 6+50=56, Resulting Numbers: [56] 56,24 unequal: No Solution Exploring Operation: 50-6=44, Resulting Numbers: [44] 44,24 unequal: No Solution Exploring Operation: 6*50=300, Resulting Numbers: [300] 300,24 unequal: No Solution Moving to Node #0,1,2 Current State: 24:[8, 52], Operations: ['69-11=58', '58-6=52'] Exploring Operation: 52-8=44, Resulting Numbers: [44] 44,24 unequal: No Solution Exploring Operation: 8*52=416, Resulting Numbers: [416] 416,24 unequal: No Solution Exploring Operation: 8+52=60, Resulting Numbers: [60] 60,24 unequal: No Solution Moving to Node #0,1,0 Current State: 24:[58, 2], Operations: ['69-11=58', '8-6=2'] Exploring Operation: 58-2=56, Resulting Numbers: [56] 56,24 unequal: No Solution Exploring Operation: 58+2=60, Resulting Numbers: [60] 60,24 unequal: No Solution Exploring Operation: 58/2=29, Resulting Numbers: [29] 29,24 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 39, 29, 11, 15 ]
43
[ "29+15=44", "44/11=4", "39+4=43" ]
Current State: 43:[39, 29, 11, 15], Operations: [] Exploring Operation: 29+15=44, Resulting Numbers: [39, 11, 44] Generated Node #2: [39, 11, 44] from Operation: 29+15=44 Current State: 43:[39, 11, 44], Operations: ['29+15=44'] Exploring Operation: 44/11=4, Resulting Numbers: [39, 4] Generated Node #3: [39, 4] from Operation: 44/11=4 Current State: 43:[39, 4], Operations: ['29+15=44', '44/11=4'] Exploring Operation: 39+4=43, Resulting Numbers: [43] 43,43 equal: Goal Reached
4
Current State: 43:[39, 29, 11, 15], Operations: [] Exploring Operation: 29+11=40, Resulting Numbers: [39, 15, 40] Generated Node #0,0: 43:[39, 15, 40] Operation: 29+11=40 Start Sub Search at level 1: Moving to Node #0,0 Current State: 43:[39, 15, 40], Operations: ['29+11=40'] Exploring Operation: 39+15=54, Resulting Numbers: [40, 54] Generated Node #0,0,0: 43:[40, 54] Operation: 39+15=54 Moving to Node #0,0,0 Current State: 43:[40, 54], Operations: ['29+11=40', '39+15=54'] Exploring Operation: 54-40=14, Resulting Numbers: [14] 14,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 45, 15, 88, 71 ]
20
[ "45/15=3", "88-71=17", "3+17=20" ]
Current State: 20:[45, 15, 88, 71], Operations: [] Exploring Operation: 45/15=3, Resulting Numbers: [88, 71, 3] Generated Node #2: [88, 71, 3] from Operation: 45/15=3 Current State: 20:[88, 71, 3], Operations: ['45/15=3'] Exploring Operation: 88-71=17, Resulting Numbers: [3, 17] Generated Node #3: [3, 17] from Operation: 88-71=17 Current State: 20:[3, 17], Operations: ['45/15=3', '88-71=17'] Exploring Operation: 3+17=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[45, 15, 88, 71], Operations: [] Exploring Operation: 88-71=17, Resulting Numbers: [45, 15, 17] Generated Node #0,0: 20:[45, 15, 17] Operation: 88-71=17 Exploring Operation: 88-45=43, Resulting Numbers: [15, 71, 43] Generated Node #0,1: 20:[15, 71, 43] Operation: 88-45=43 Start Sub Search at level 1: Moving to Node #0,0 Current State: 20:[45, 15, 17], Operations: ['88-71=17'] Exploring Operation: 45/15=3, Resulting Numbers: [17, 3] Generated Node #0,0,0: 20:[17, 3] Operation: 45/15=3 Exploring Operation: 45-15=30, Resulting Numbers: [17, 30] Generated Node #0,0,1: 20:[17, 30] Operation: 45-15=30 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 20:[17, 3], Operations: ['88-71=17', '45/15=3'] Exploring Operation: 17+3=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Moving to Node #0 Current State: 20:[45, 15, 88, 71], Operations: [] Exploring Operation: 88-71=17, Resulting Numbers: [45, 15, 17] Generated Node #0,0: 20:[45, 15, 17] Operation: 88-71=17 Moving to Node #0,0 Current State: 20:[45, 15, 17], Operations: ['88-71=17'] Exploring Operation: 45/15=3, Resulting Numbers: [17, 3] Generated Node #0,0,0: 20:[17, 3] Operation: 45/15=3 Moving to Node #0,0,0 Current State: 20:[17, 3], Operations: ['88-71=17', '45/15=3'] Exploring Operation: 17+3=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.992188
hs_2
sum_heuristic
[ 61, 63, 18, 61 ]
44
[ "61/61=1", "63-18=45", "45-1=44" ]
Current State: 44:[61, 63, 18, 61], Operations: [] Exploring Operation: 61/61=1, Resulting Numbers: [63, 18, 1] Generated Node #2: [63, 18, 1] from Operation: 61/61=1 Current State: 44:[63, 18, 1], Operations: ['61/61=1'] Exploring Operation: 63-18=45, Resulting Numbers: [1, 45] Generated Node #3: [1, 45] from Operation: 63-18=45 Current State: 44:[1, 45], Operations: ['61/61=1', '63-18=45'] Exploring Operation: 45-1=44, Resulting Numbers: [44] 44,44 equal: Goal Reached
4
Current State: 44:[61, 63, 18, 61], Operations: [] Exploring Operation: 61/61=1, Resulting Numbers: [63, 18, 1] Generated Node #0,0: 44:[63, 18, 1] Operation: 61/61=1 Exploring Operation: 61-61=0, Resulting Numbers: [63, 18, 0] Generated Node #0,1: 44:[63, 18, 0] Operation: 61-61=0 Exploring Operation: 63-18=45, Resulting Numbers: [61, 61, 45] Generated Node #0,2: 44:[61, 61, 45] Operation: 63-18=45 Exploring Operation: 63-61=2, Resulting Numbers: [18, 61, 2] Generated Node #0,3: 44:[18, 61, 2] Operation: 63-61=2 Exploring Operation: 63-61=2, Resulting Numbers: [61, 18, 2] Generated Node #0,4: 44:[61, 18, 2] Operation: 63-61=2 Start Sub Search at level 1: Moving to Node #0,3 Current State: 44:[18, 61, 2], Operations: ['63-61=2'] Exploring Operation: 18+2=20, Resulting Numbers: [61, 20] Generated Node #0,3,0: 44:[61, 20] Operation: 18+2=20 Exploring Operation: 18-2=16, Resulting Numbers: [61, 16] Generated Node #0,3,1: 44:[61, 16] Operation: 18-2=16 Exploring Operation: 61-2=59, Resulting Numbers: [18, 59] Generated Node #0,3,2: 44:[18, 59] Operation: 61-2=59 Exploring Operation: 18/2=9, Resulting Numbers: [61, 9] Generated Node #0,3,3: 44:[61, 9] Operation: 18/2=9 Exploring Operation: 61-18=43, Resulting Numbers: [2, 43] Generated Node #0,3,4: 44:[2, 43] Operation: 61-18=43 Moving to Node #0,3,4 Current State: 44:[2, 43], Operations: ['63-61=2', '61-18=43'] Exploring Operation: 2*43=86, Resulting Numbers: [86] 86,44 unequal: No Solution Exploring Operation: 43-2=41, Resulting Numbers: [41] 41,44 unequal: No Solution Exploring Operation: 2+43=45, Resulting Numbers: [45] 45,44 unequal: No Solution Moving to Node #0,3,2 Current State: 44:[18, 59], Operations: ['63-61=2', '61-2=59'] Exploring Operation: 18*59=1062, Resulting Numbers: [1062] 1062,44 unequal: No Solution Exploring Operation: 18+59=77, Resulting Numbers: [77] 77,44 unequal: No Solution Exploring Operation: 59-18=41, Resulting Numbers: [41] 41,44 unequal: No Solution Moving to Node #0,3,0 Current State: 44:[61, 20], Operations: ['63-61=2', '18+2=20'] Exploring Operation: 61+20=81, Resulting Numbers: [81] 81,44 unequal: No Solution Exploring Operation: 61*20=1220, Resulting Numbers: [1220] 1220,44 unequal: No Solution Exploring Operation: 61-20=41, Resulting Numbers: [41] 41,44 unequal: No Solution Moving to Node #0,3,3 Current State: 44:[61, 9], Operations: ['63-61=2', '18/2=9'] Exploring Operation: 61-9=52, Resulting Numbers: [52] 52,44 unequal: No Solution Exploring Operation: 61*9=549, Resulting Numbers: [549] 549,44 unequal: No Solution Exploring Operation: 61+9=70, Resulting Numbers: [70] 70,44 unequal: No Solution Moving to Node #0,3,1 Current State: 44:[61, 16], Operations: ['63-61=2', '18-2=16'] Exploring Operation: 61+16=77, Resulting Numbers: [77] 77,44 unequal: No Solution Exploring Operation: 61-16=45, Resulting Numbers: [45] 45,44 unequal: No Solution Exploring Operation: 61*16=976, Resulting Numbers: [976] 976,44 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 #0,4 Current State: 44:[61, 18, 2], Operations: ['63-61=2'] Exploring Operation: 18+2=20, Resulting Numbers: [61, 20] Generated Node #0,4,0: 44:[61, 20] Operation: 18+2=20 Exploring Operation: 18-2=16, Resulting Numbers: [61, 16] Generated Node #0,4,1: 44:[61, 16] Operation: 18-2=16 Exploring Operation: 61-2=59, Resulting Numbers: [18, 59] Generated Node #0,4,2: 44:[18, 59] Operation: 61-2=59 Exploring Operation: 61-18=43, Resulting Numbers: [2, 43] Generated Node #0,4,3: 44:[2, 43] Operation: 61-18=43 Exploring Operation: 18/2=9, Resulting Numbers: [61, 9] Generated Node #0,4,4: 44:[61, 9] Operation: 18/2=9 Moving to Node #0,4,3 Current State: 44:[2, 43], Operations: ['63-61=2', '61-18=43'] Exploring Operation: 2+43=45, Resulting Numbers: [45] 45,44 unequal: No Solution Exploring Operation: 2*43=86, Resulting Numbers: [86] 86,44 unequal: No Solution Exploring Operation: 43-2=41, Resulting Numbers: [41] 41,44 unequal: No Solution Moving to Node #0,4,2 Current State: 44:[18, 59], Operations: ['63-61=2', '61-2=59'] Exploring Operation: 59-18=41, Resulting Numbers: [41] 41,44 unequal: No Solution Exploring Operation: 18*59=1062, Resulting Numbers: [1062] 1062,44 unequal: No Solution Exploring Operation: 18+59=77, Resulting Numbers: [77] 77,44 unequal: No Solution Moving to Node #0,4,0 Current State: 44:[61, 20], Operations: ['63-61=2', '18+2=20'] Exploring Operation: 61*20=1220, Resulting Numbers: [1220] 1220,44 unequal: No Solution Exploring Operation: 61-20=41, Resulting Numbers: [41] 41,44 unequal: No Solution Exploring Operation: 61+20=81, Resulting Numbers: [81] 81,44 unequal: No Solution Moving to Node #0,4,4 Current State: 44:[61, 9], Operations: ['63-61=2', '18/2=9'] Exploring Operation: 61*9=549, Resulting Numbers: [549] 549,44 unequal: No Solution Exploring Operation: 61+9=70, Resulting Numbers: [70] 70,44 unequal: No Solution Exploring Operation: 61-9=52, Resulting Numbers: [52] 52,44 unequal: No Solution Moving to Node #0,4,1 Current State: 44:[61, 16], Operations: ['63-61=2', '18-2=16'] Exploring Operation: 61*16=976, Resulting Numbers: [976] 976,44 unequal: No Solution Exploring Operation: 61-16=45, Resulting Numbers: [45] 45,44 unequal: No Solution Exploring Operation: 61+16=77, Resulting Numbers: [77] 77,44 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 Current State: 44:[63, 18, 1], Operations: ['61/61=1'] Exploring Operation: 63/1=63, Resulting Numbers: [18, 63] Generated Node #0,0,0: 44:[18, 63] Operation: 63/1=63 Exploring Operation: 18+1=19, Resulting Numbers: [63, 19] Generated Node #0,0,1: 44:[63, 19] Operation: 18+1=19 Exploring Operation: 63-18=45, Resulting Numbers: [1, 45] Generated Node #0,0,2: 44:[1, 45] Operation: 63-18=45 Exploring Operation: 63-1=62, Resulting Numbers: [18, 62] Generated Node #0,0,3: 44:[18, 62] Operation: 63-1=62 Exploring Operation: 63*1=63, Resulting Numbers: [18, 63] Generated Node #0,0,4: 44:[18, 63] Operation: 63*1=63 Moving to Node #0,0,2 Current State: 44:[1, 45], Operations: ['61/61=1', '63-18=45'] Exploring Operation: 1*45=45, Resulting Numbers: [45] 45,44 unequal: No Solution Exploring Operation: 45-1=44, Resulting Numbers: [44] 44,44 equal: Goal Reached Moving to Node #0 Current State: 44:[61, 63, 18, 61], Operations: [] Exploring Operation: 61/61=1, Resulting Numbers: [63, 18, 1] Generated Node #0,0: 44:[63, 18, 1] Operation: 61/61=1 Moving to Node #0,0 Current State: 44:[63, 18, 1], Operations: ['61/61=1'] Exploring Operation: 63-18=45, Resulting Numbers: [1, 45] Generated Node #0,0,2: 44:[1, 45] Operation: 63-18=45 Moving to Node #0,0,2 Current State: 44:[1, 45], Operations: ['61/61=1', '63-18=45'] Exploring Operation: 45-1=44, Resulting Numbers: [44] 44,44 equal: Goal Reached Exit Sub Search at level 1
0.951389
hs_5
sum_heuristic
[ 94, 12, 72, 18 ]
33
[ "94-72=22", "18*22=396", "396/12=33" ]
Current State: 33:[94, 12, 72, 18], Operations: [] Exploring Operation: 94-72=22, Resulting Numbers: [12, 18, 22] Generated Node #2: [12, 18, 22] from Operation: 94-72=22 Current State: 33:[12, 18, 22], Operations: ['94-72=22'] Exploring Operation: 18*22=396, Resulting Numbers: [12, 396] Generated Node #3: [12, 396] from Operation: 18*22=396 Current State: 33:[12, 396], Operations: ['94-72=22', '18*22=396'] Exploring Operation: 396/12=33, Resulting Numbers: [33] 33,33 equal: Goal Reached
4
Current State: 33:[94, 12, 72, 18], Operations: [] Exploring Operation: 72/18=4, Resulting Numbers: [94, 12, 4] Generated Node #0,0: 33:[94, 12, 4] Operation: 72/18=4 Exploring Operation: 94-18=76, Resulting Numbers: [12, 72, 76] Generated Node #0,1: 33:[12, 72, 76] Operation: 94-18=76 Exploring Operation: 72/12=6, Resulting Numbers: [94, 18, 6] Generated Node #0,2: 33:[94, 18, 6] Operation: 72/12=6 Exploring Operation: 72-18=54, Resulting Numbers: [94, 12, 54] Generated Node #0,3: 33:[94, 12, 54] Operation: 72-18=54 Exploring Operation: 94-72=22, Resulting Numbers: [12, 18, 22] Generated Node #0,4: 33:[12, 18, 22] Operation: 94-72=22 Moving to Node #0,4 Current State: 33:[12, 18, 22], Operations: ['94-72=22'] Exploring Operation: 22-12=10, Resulting Numbers: [18, 10] Generated Node #0,4,0: 33:[18, 10] Operation: 22-12=10 Exploring Operation: 18+22=40, Resulting Numbers: [12, 40] Generated Node #0,4,1: 33:[12, 40] Operation: 18+22=40 Exploring Operation: 22-18=4, Resulting Numbers: [12, 4] Generated Node #0,4,2: 33:[12, 4] Operation: 22-18=4 Exploring Operation: 12+18=30, Resulting Numbers: [22, 30] Generated Node #0,4,3: 33:[22, 30] Operation: 12+18=30 Exploring Operation: 12+22=34, Resulting Numbers: [18, 34] Generated Node #0,4,4: 33:[18, 34] Operation: 12+22=34 Moving to Node #0,0 Current State: 33:[94, 12, 4], Operations: ['72/18=4'] Exploring Operation: 94-4=90, Resulting Numbers: [12, 90] Generated Node #0,0,0: 33:[12, 90] Operation: 94-4=90 Exploring Operation: 12-4=8, Resulting Numbers: [94, 8] Generated Node #0,0,1: 33:[94, 8] Operation: 12-4=8 Exploring Operation: 12/4=3, Resulting Numbers: [94, 3] Generated Node #0,0,2: 33:[94, 3] Operation: 12/4=3 Exploring Operation: 94-12=82, Resulting Numbers: [4, 82] Generated Node #0,0,3: 33:[4, 82] Operation: 94-12=82 Exploring Operation: 94+4=98, Resulting Numbers: [12, 98] Generated Node #0,0,4: 33:[12, 98] Operation: 94+4=98 Moving to Node #0,2 Current State: 33:[94, 18, 6], Operations: ['72/12=6'] Exploring Operation: 18+6=24, Resulting Numbers: [94, 24] Generated Node #0,2,0: 33:[94, 24] Operation: 18+6=24 Exploring Operation: 94-18=76, Resulting Numbers: [6, 76] Generated Node #0,2,1: 33:[6, 76] Operation: 94-18=76 Exploring Operation: 18-6=12, Resulting Numbers: [94, 12] Generated Node #0,2,2: 33:[94, 12] Operation: 18-6=12 Exploring Operation: 18/6=3, Resulting Numbers: [94, 3] Generated Node #0,2,3: 33:[94, 3] Operation: 18/6=3 Exploring Operation: 94-6=88, Resulting Numbers: [18, 88] Generated Node #0,2,4: 33:[18, 88] Operation: 94-6=88 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 33:[6, 76], Operations: ['72/12=6', '94-18=76'] Exploring Operation: 6+76=82, Resulting Numbers: [82] 82,33 unequal: No Solution Exploring Operation: 76-6=70, Resulting Numbers: [70] 70,33 unequal: No Solution Exploring Operation: 6*76=456, Resulting Numbers: [456] 456,33 unequal: No Solution No 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: 33:[94, 3], Operations: ['72/12=6', '18/6=3'] Exploring Operation: 94-3=91, Resulting Numbers: [91] 91,33 unequal: No Solution Exploring Operation: 94*3=282, Resulting Numbers: [282] 282,33 unequal: No Solution Exploring Operation: 94+3=97, Resulting Numbers: [97] 97,33 unequal: No Solution No 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: 33:[94, 12], Operations: ['72/12=6', '18-6=12'] Exploring Operation: 94-12=82, Resulting Numbers: [82] 82,33 unequal: No Solution Exploring Operation: 94+12=106, Resulting Numbers: [106] 106,33 unequal: No Solution Exploring Operation: 94*12=1128, Resulting Numbers: [1128] 1128,33 unequal: No Solution No 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: 33:[18, 88], Operations: ['72/12=6', '94-6=88'] Exploring Operation: 88-18=70, Resulting Numbers: [70] 70,33 unequal: No Solution Exploring Operation: 18*88=1584, Resulting Numbers: [1584] 1584,33 unequal: No Solution Exploring Operation: 18+88=106, Resulting Numbers: [106] 106,33 unequal: No Solution No 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: 33:[94, 24], Operations: ['72/12=6', '18+6=24'] Exploring Operation: 94-24=70, Resulting Numbers: [70] 70,33 unequal: No Solution Exploring Operation: 94*24=2256, Resulting Numbers: [2256] 2256,33 unequal: No Solution Exploring Operation: 94+24=118, Resulting Numbers: [118] 118,33 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: 33:[12, 72, 76], Operations: ['94-18=76'] Exploring Operation: 76-72=4, Resulting Numbers: [12, 4] Generated Node #0,1,0: 33:[12, 4] Operation: 76-72=4 Exploring Operation: 76-12=64, Resulting Numbers: [72, 64] Generated Node #0,1,1: 33:[72, 64] Operation: 76-12=64 Exploring Operation: 12+72=84, Resulting Numbers: [76, 84] Generated Node #0,1,2: 33:[76, 84] Operation: 12+72=84 Exploring Operation: 72/12=6, Resulting Numbers: [76, 6] Generated Node #0,1,3: 33:[76, 6] Operation: 72/12=6 Exploring Operation: 72-12=60, Resulting Numbers: [76, 60] Generated Node #0,1,4: 33:[76, 60] Operation: 72-12=60 Moving to Node #0,3 Current State: 33:[94, 12, 54], Operations: ['72-18=54'] Exploring Operation: 94-54=40, Resulting Numbers: [12, 40] Generated Node #0,3,0: 33:[12, 40] Operation: 94-54=40 Exploring Operation: 12+54=66, Resulting Numbers: [94, 66] Generated Node #0,3,1: 33:[94, 66] Operation: 12+54=66 Exploring Operation: 94+12=106, Resulting Numbers: [54, 106] Generated Node #0,3,2: 33:[54, 106] Operation: 94+12=106 Exploring Operation: 54-12=42, Resulting Numbers: [94, 42] Generated Node #0,3,3: 33:[94, 42] Operation: 54-12=42 Exploring Operation: 94-12=82, Resulting Numbers: [54, 82] Generated Node #0,3,4: 33:[54, 82] Operation: 94-12=82 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 33:[12, 40], Operations: ['72-18=54', '94-54=40'] Exploring Operation: 40-12=28, Resulting Numbers: [28] 28,33 unequal: No Solution Exploring Operation: 12*40=480, Resulting Numbers: [480] 480,33 unequal: No Solution Exploring Operation: 12+40=52, Resulting Numbers: [52] 52,33 unequal: No Solution No 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: 33:[94, 42], Operations: ['72-18=54', '54-12=42'] Exploring Operation: 94*42=3948, Resulting Numbers: [3948] 3948,33 unequal: No Solution Exploring Operation: 94-42=52, Resulting Numbers: [52] 52,33 unequal: No Solution Exploring Operation: 94+42=136, Resulting Numbers: [136] 136,33 unequal: No Solution No 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: 33:[54, 82], Operations: ['72-18=54', '94-12=82'] Exploring Operation: 54+82=136, Resulting Numbers: [136] 136,33 unequal: No Solution Exploring Operation: 54*82=4428, Resulting Numbers: [4428] 4428,33 unequal: No Solution Exploring Operation: 82-54=28, Resulting Numbers: [28] 28,33 unequal: No Solution No 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: 33:[94, 66], Operations: ['72-18=54', '12+54=66'] Exploring Operation: 94*66=6204, Resulting Numbers: [6204] 6204,33 unequal: No Solution Exploring Operation: 94-66=28, Resulting Numbers: [28] 28,33 unequal: No Solution Exploring Operation: 94+66=160, Resulting Numbers: [160] 160,33 unequal: No Solution No 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: 33:[54, 106], Operations: ['72-18=54', '94+12=106'] Exploring Operation: 106-54=52, Resulting Numbers: [52] 52,33 unequal: No Solution Exploring Operation: 54+106=160, Resulting Numbers: [160] 160,33 unequal: No Solution Exploring Operation: 54*106=5724, Resulting Numbers: [5724] 5724,33 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,4,2 Current State: 33:[12, 4], Operations: ['94-72=22', '22-18=4'] Exploring Operation: 12+4=16, Resulting Numbers: [16] 16,33 unequal: No Solution Exploring Operation: 12-4=8, Resulting Numbers: [8] 8,33 unequal: No Solution Exploring Operation: 12*4=48, Resulting Numbers: [48] 48,33 unequal: No Solution Exploring Operation: 12/4=3, Resulting Numbers: [3] 3,33 unequal: No Solution Moving to Node #0,1,0 Current State: 33:[12, 4], Operations: ['94-18=76', '76-72=4'] Exploring Operation: 12/4=3, Resulting Numbers: [3] 3,33 unequal: No Solution Exploring Operation: 12+4=16, Resulting Numbers: [16] 16,33 unequal: No Solution Exploring Operation: 12-4=8, Resulting Numbers: [8] 8,33 unequal: No Solution Exploring Operation: 12*4=48, Resulting Numbers: [48] 48,33 unequal: No Solution Moving to Node #0,4,1 Current State: 33:[12, 40], Operations: ['94-72=22', '18+22=40'] Exploring Operation: 12+40=52, Resulting Numbers: [52] 52,33 unequal: No Solution Exploring Operation: 40-12=28, Resulting Numbers: [28] 28,33 unequal: No Solution Exploring Operation: 12*40=480, Resulting Numbers: [480] 480,33 unequal: No Solution Moving to Node #0,4,0 Current State: 33:[18, 10], Operations: ['94-72=22', '22-12=10'] Exploring Operation: 18*10=180, Resulting Numbers: [180] 180,33 unequal: No Solution Exploring Operation: 18-10=8, Resulting Numbers: [8] 8,33 unequal: No Solution Exploring Operation: 18+10=28, Resulting Numbers: [28] 28,33 unequal: No Solution Moving to Node #0,4,4 Current State: 33:[18, 34], Operations: ['94-72=22', '12+22=34'] Exploring Operation: 34-18=16, Resulting Numbers: [16] 16,33 unequal: No Solution Exploring Operation: 18*34=612, Resulting Numbers: [612] 612,33 unequal: No Solution Exploring Operation: 18+34=52, Resulting Numbers: [52] 52,33 unequal: No Solution Moving to Node #0,4,3 Current State: 33:[22, 30], Operations: ['94-72=22', '12+18=30'] Exploring Operation: 30-22=8, Resulting Numbers: [8] 8,33 unequal: No Solution Exploring Operation: 22*30=660, Resulting Numbers: [660] 660,33 unequal: No Solution Exploring Operation: 22+30=52, Resulting Numbers: [52] 52,33 unequal: No Solution Moving to Node #0,1,3 Current State: 33:[76, 6], Operations: ['94-18=76', '72/12=6'] Exploring Operation: 76-6=70, Resulting Numbers: [70] 70,33 unequal: No Solution Exploring Operation: 76*6=456, Resulting Numbers: [456] 456,33 unequal: No Solution Exploring Operation: 76+6=82, Resulting Numbers: [82] 82,33 unequal: No Solution Moving to Node #0,0,3 Current State: 33:[4, 82], Operations: ['72/18=4', '94-12=82'] Exploring Operation: 4*82=328, Resulting Numbers: [328] 328,33 unequal: No Solution Exploring Operation: 82-4=78, Resulting Numbers: [78] 78,33 unequal: No Solution Exploring Operation: 4+82=86, Resulting Numbers: [86] 86,33 unequal: No Solution Moving to Node #0,0,0 Current State: 33:[12, 90], Operations: ['72/18=4', '94-4=90'] Exploring Operation: 12+90=102, Resulting Numbers: [102] 102,33 unequal: No Solution Exploring Operation: 90-12=78, Resulting Numbers: [78] 78,33 unequal: No Solution Exploring Operation: 12*90=1080, Resulting Numbers: [1080] 1080,33 unequal: No Solution Moving to Node #0,0,2 Current State: 33:[94, 3], Operations: ['72/18=4', '12/4=3'] Exploring Operation: 94+3=97, Resulting Numbers: [97] 97,33 unequal: No Solution Exploring Operation: 94*3=282, Resulting Numbers: [282] 282,33 unequal: No Solution Exploring Operation: 94-3=91, Resulting Numbers: [91] 91,33 unequal: No Solution Moving to Node #0,0,1 Current State: 33:[94, 8], Operations: ['72/18=4', '12-4=8'] Exploring Operation: 94*8=752, Resulting Numbers: [752] 752,33 unequal: No Solution Exploring Operation: 94+8=102, Resulting Numbers: [102] 102,33 unequal: No Solution Exploring Operation: 94-8=86, Resulting Numbers: [86] 86,33 unequal: No Solution Moving to Node #0,0,4 Current State: 33:[12, 98], Operations: ['72/18=4', '94+4=98'] Exploring Operation: 98-12=86, Resulting Numbers: [86] 86,33 unequal: No Solution Exploring Operation: 12+98=110, Resulting Numbers: [110] 110,33 unequal: No Solution Exploring Operation: 12*98=1176, Resulting Numbers: [1176] 1176,33 unequal: No Solution Moving to Node #0,1,4 Current State: 33:[76, 60], Operations: ['94-18=76', '72-12=60'] Exploring Operation: 76-60=16, Resulting Numbers: [16] 16,33 unequal: No Solution Exploring Operation: 76+60=136, Resulting Numbers: [136] 136,33 unequal: No Solution Exploring Operation: 76*60=4560, Resulting Numbers: [4560] 4560,33 unequal: No Solution Moving to Node #0,1,1 Current State: 33:[72, 64], Operations: ['94-18=76', '76-12=64'] Exploring Operation: 72+64=136, Resulting Numbers: [136] 136,33 unequal: No Solution Exploring Operation: 72*64=4608, Resulting Numbers: [4608] 4608,33 unequal: No Solution Exploring Operation: 72-64=8, Resulting Numbers: [8] 8,33 unequal: No Solution Moving to Node #0,1,2 Current State: 33:[76, 84], Operations: ['94-18=76', '12+72=84'] Exploring Operation: 84-76=8, Resulting Numbers: [8] 8,33 unequal: No Solution Exploring Operation: 76*84=6384, Resulting Numbers: [6384] 6384,33 unequal: No Solution Exploring Operation: 76+84=160, Resulting Numbers: [160] 160,33 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 23, 57, 95, 62 ]
77
[ "23+57=80", "95+62=157", "157-80=77" ]
Current State: 77:[23, 57, 95, 62], Operations: [] Exploring Operation: 23+57=80, Resulting Numbers: [95, 62, 80] Generated Node #2: [95, 62, 80] from Operation: 23+57=80 Current State: 77:[95, 62, 80], Operations: ['23+57=80'] Exploring Operation: 95+62=157, Resulting Numbers: [80, 157] Generated Node #3: [80, 157] from Operation: 95+62=157 Current State: 77:[80, 157], Operations: ['23+57=80', '95+62=157'] Exploring Operation: 157-80=77, Resulting Numbers: [77] 77,77 equal: Goal Reached
4
Current State: 77:[23, 57, 95, 62], Operations: [] Exploring Operation: 95-57=38, Resulting Numbers: [23, 62, 38] Generated Node #0,0: 77:[23, 62, 38] Operation: 95-57=38 Exploring Operation: 23+57=80, Resulting Numbers: [95, 62, 80] Generated Node #0,1: 77:[95, 62, 80] Operation: 23+57=80 Exploring Operation: 23+62=85, Resulting Numbers: [57, 95, 85] Generated Node #0,2: 77:[57, 95, 85] Operation: 23+62=85 Exploring Operation: 95-23=72, Resulting Numbers: [57, 62, 72] Generated Node #0,3: 77:[57, 62, 72] Operation: 95-23=72 Exploring Operation: 62-57=5, Resulting Numbers: [23, 95, 5] Generated Node #0,4: 77:[23, 95, 5] Operation: 62-57=5 Start Sub Search at level 1: Moving to Node #0,4 Current State: 77:[23, 95, 5], Operations: ['62-57=5'] Exploring Operation: 23+5=28, Resulting Numbers: [95, 28] Generated Node #0,4,0: 77:[95, 28] Operation: 23+5=28 Exploring Operation: 95-5=90, Resulting Numbers: [23, 90] Generated Node #0,4,1: 77:[23, 90] Operation: 95-5=90 Exploring Operation: 95-23=72, Resulting Numbers: [5, 72] Generated Node #0,4,2: 77:[5, 72] Operation: 95-23=72 Exploring Operation: 23-5=18, Resulting Numbers: [95, 18] Generated Node #0,4,3: 77:[95, 18] Operation: 23-5=18 Exploring Operation: 95/5=19, Resulting Numbers: [23, 19] Generated Node #0,4,4: 77:[23, 19] Operation: 95/5=19 Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 77:[5, 72], Operations: ['62-57=5', '95-23=72'] Exploring Operation: 72-5=67, Resulting Numbers: [67] 67,77 unequal: No Solution Exploring Operation: 5+72=77, Resulting Numbers: [77] 77,77 equal: Goal Reached Moving to Node #0 Current State: 77:[23, 57, 95, 62], Operations: [] Exploring Operation: 62-57=5, Resulting Numbers: [23, 95, 5] Generated Node #0,4: 77:[23, 95, 5] Operation: 62-57=5 Moving to Node #0,4 Current State: 77:[23, 95, 5], Operations: ['62-57=5'] Exploring Operation: 95-23=72, Resulting Numbers: [5, 72] Generated Node #0,4,2: 77:[5, 72] Operation: 95-23=72 Moving to Node #0,4,2 Current State: 77:[5, 72], Operations: ['62-57=5', '95-23=72'] Exploring Operation: 5+72=77, Resulting Numbers: [77] 77,77 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986111
hs_5
sum_heuristic