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
[ 52, 40, 63, 36 ]
81
[ "52*63=3276", "3276-36=3240", "3240/40=81" ]
Current State: 81:[52, 40, 63, 36], Operations: [] Exploring Operation: 52*63=3276, Resulting Numbers: [40, 36, 3276] Generated Node #2: [40, 36, 3276] from Operation: 52*63=3276 Current State: 81:[40, 36, 3276], Operations: ['52*63=3276'] Exploring Operation: 3276-36=3240, Resulting Numbers: [40, 3240] Generated Node #3: [40, 3240] from Operation: 3276-36=3240 Current State: 81:[40, 3240], Operations: ['52*63=3276', '3276-36=3240'] Exploring Operation: 3240/40=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[52, 40, 63, 36], Operations: [] Exploring Operation: 52-40=12, Resulting Numbers: [63, 36, 12] Generated Node #0,0: 81:[63, 36, 12] Operation: 52-40=12 Exploring Operation: 63-52=11, Resulting Numbers: [40, 36, 11] Generated Node #0,1: 81:[40, 36, 11] Operation: 63-52=11 Moving to Node #0,1 Current State: 81:[40, 36, 11], Operations: ['63-52=11'] Exploring Operation: 40-36=4, Resulting Numbers: [11, 4] Generated Node #0,1,0: 81:[11, 4] Operation: 40-36=4 Exploring Operation: 40+36=76, Resulting Numbers: [11, 76] Generated Node #0,1,1: 81:[11, 76] Operation: 40+36=76 Moving to Node #0,0 Current State: 81:[63, 36, 12], Operations: ['52-40=12'] Exploring Operation: 63+12=75, Resulting Numbers: [36, 75] Generated Node #0,0,0: 81:[36, 75] Operation: 63+12=75 Exploring Operation: 63-36=27, Resulting Numbers: [12, 27] Generated Node #0,0,1: 81:[12, 27] Operation: 63-36=27 Moving to Node #0,1,0 Current State: 81:[11, 4], Operations: ['63-52=11', '40-36=4'] Exploring Operation: 11+4=15, Resulting Numbers: [15] 15,81 unequal: No Solution Exploring Operation: 11-4=7, Resulting Numbers: [7] 7,81 unequal: No Solution Moving to Node #0,0,1 Current State: 81:[12, 27], Operations: ['52-40=12', '63-36=27'] Exploring Operation: 12+27=39, Resulting Numbers: [39] 39,81 unequal: No Solution Exploring Operation: 27-12=15, Resulting Numbers: [15] 15,81 unequal: No Solution Moving to Node #0,1,1 Current State: 81:[11, 76], Operations: ['63-52=11', '40+36=76'] Exploring Operation: 11+76=87, Resulting Numbers: [87] 87,81 unequal: No Solution Exploring Operation: 76-11=65, Resulting Numbers: [65] 65,81 unequal: No Solution Moving to Node #0,0,0 Current State: 81:[36, 75], Operations: ['52-40=12', '63+12=75'] Exploring Operation: 36+75=111, Resulting Numbers: [111] 111,81 unequal: No Solution Exploring Operation: 75-36=39, Resulting Numbers: [39] 39,81 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 81, 91, 64, 31 ]
77
[ "81+91=172", "64+31=95", "172-95=77" ]
Current State: 77:[81, 91, 64, 31], Operations: [] Exploring Operation: 81+91=172, Resulting Numbers: [64, 31, 172] Generated Node #2: [64, 31, 172] from Operation: 81+91=172 Current State: 77:[64, 31, 172], Operations: ['81+91=172'] Exploring Operation: 64+31=95, Resulting Numbers: [172, 95] Generated Node #3: [172, 95] from Operation: 64+31=95 Current State: 77:[172, 95], Operations: ['81+91=172', '64+31=95'] Exploring Operation: 172-95=77, Resulting Numbers: [77] 77,77 equal: Goal Reached
4
Current State: 77:[81, 91, 64, 31], Operations: [] Exploring Operation: 81-64=17, Resulting Numbers: [91, 31, 17] Generated Node #0,0: 77:[91, 31, 17] Operation: 81-64=17 Exploring Operation: 64+31=95, Resulting Numbers: [81, 91, 95] Generated Node #0,1: 77:[81, 91, 95] Operation: 64+31=95 Exploring Operation: 91-31=60, Resulting Numbers: [81, 64, 60] Generated Node #0,2: 77:[81, 64, 60] Operation: 91-31=60 Exploring Operation: 91-64=27, Resulting Numbers: [81, 31, 27] Generated Node #0,3: 77:[81, 31, 27] Operation: 91-64=27 Exploring Operation: 91-81=10, Resulting Numbers: [64, 31, 10] Generated Node #0,4: 77:[64, 31, 10] Operation: 91-81=10 Moving to Node #0,2 Current State: 77:[81, 64, 60], Operations: ['91-31=60'] Exploring Operation: 81+60=141, Resulting Numbers: [64, 141] Generated Node #0,2,0: 77:[64, 141] Operation: 81+60=141 Exploring Operation: 64-60=4, Resulting Numbers: [81, 4] Generated Node #0,2,1: 77:[81, 4] Operation: 64-60=4 Exploring Operation: 81-60=21, Resulting Numbers: [64, 21] Generated Node #0,2,2: 77:[64, 21] Operation: 81-60=21 Exploring Operation: 81-64=17, Resulting Numbers: [60, 17] Generated Node #0,2,3: 77:[60, 17] Operation: 81-64=17 Exploring Operation: 64+60=124, Resulting Numbers: [81, 124] Generated Node #0,2,4: 77:[81, 124] Operation: 64+60=124 Moving to Node #0,4 Current State: 77:[64, 31, 10], Operations: ['91-81=10'] Exploring Operation: 64+31=95, Resulting Numbers: [10, 95] Generated Node #0,4,0: 77:[10, 95] Operation: 64+31=95 Exploring Operation: 64-31=33, Resulting Numbers: [10, 33] Generated Node #0,4,1: 77:[10, 33] Operation: 64-31=33 Exploring Operation: 64-10=54, Resulting Numbers: [31, 54] Generated Node #0,4,2: 77:[31, 54] Operation: 64-10=54 Exploring Operation: 64+10=74, Resulting Numbers: [31, 74] Generated Node #0,4,3: 77:[31, 74] Operation: 64+10=74 Exploring Operation: 31-10=21, Resulting Numbers: [64, 21] Generated Node #0,4,4: 77:[64, 21] Operation: 31-10=21 Moving to Node #0,1 Current State: 77:[81, 91, 95], Operations: ['64+31=95'] Exploring Operation: 95-81=14, Resulting Numbers: [91, 14] Generated Node #0,1,0: 77:[91, 14] Operation: 95-81=14 Exploring Operation: 81+95=176, Resulting Numbers: [91, 176] Generated Node #0,1,1: 77:[91, 176] Operation: 81+95=176 Exploring Operation: 95-91=4, Resulting Numbers: [81, 4] Generated Node #0,1,2: 77:[81, 4] Operation: 95-91=4 Exploring Operation: 91-81=10, Resulting Numbers: [95, 10] Generated Node #0,1,3: 77:[95, 10] Operation: 91-81=10 Exploring Operation: 81+91=172, Resulting Numbers: [95, 172] Generated Node #0,1,4: 77:[95, 172] Operation: 81+91=172 Moving to Node #0,0 Current State: 77:[91, 31, 17], Operations: ['81-64=17'] Exploring Operation: 91+31=122, Resulting Numbers: [17, 122] Generated Node #0,0,0: 77:[17, 122] Operation: 91+31=122 Exploring Operation: 91-17=74, Resulting Numbers: [31, 74] Generated Node #0,0,1: 77:[31, 74] Operation: 91-17=74 Exploring Operation: 91-31=60, Resulting Numbers: [17, 60] Generated Node #0,0,2: 77:[17, 60] Operation: 91-31=60 Exploring Operation: 31-17=14, Resulting Numbers: [91, 14] Generated Node #0,0,3: 77:[91, 14] Operation: 31-17=14 Exploring Operation: 31+17=48, Resulting Numbers: [91, 48] Generated Node #0,0,4: 77:[91, 48] Operation: 31+17=48 Moving to Node #0,3 Current State: 77:[81, 31, 27], Operations: ['91-64=27'] Exploring Operation: 81/27=3, Resulting Numbers: [31, 3] Generated Node #0,3,0: 77:[31, 3] Operation: 81/27=3 Exploring Operation: 31-27=4, Resulting Numbers: [81, 4] Generated Node #0,3,1: 77:[81, 4] Operation: 31-27=4 Exploring Operation: 31+27=58, Resulting Numbers: [81, 58] Generated Node #0,3,2: 77:[81, 58] Operation: 31+27=58 Exploring Operation: 81-31=50, Resulting Numbers: [27, 50] Generated Node #0,3,3: 77:[27, 50] Operation: 81-31=50 Exploring Operation: 81-27=54, Resulting Numbers: [31, 54] Generated Node #0,3,4: 77:[31, 54] Operation: 81-27=54 Moving to Node #0,2,1 Current State: 77:[81, 4], Operations: ['91-31=60', '64-60=4'] Exploring Operation: 81-4=77, Resulting Numbers: [77] 77,77 equal: Goal Reached Moving to Node #0 Current State: 77:[81, 91, 64, 31], Operations: [] Exploring Operation: 91-31=60, Resulting Numbers: [81, 64, 60] Generated Node #0,2: 77:[81, 64, 60] Operation: 91-31=60 Moving to Node #0,2 Current State: 77:[81, 64, 60], Operations: ['91-31=60'] Exploring Operation: 64-60=4, Resulting Numbers: [81, 4] Generated Node #0,2,1: 77:[81, 4] Operation: 64-60=4 Moving to Node #0,2,1 Current State: 77:[81, 4], Operations: ['91-31=60', '64-60=4'] Exploring Operation: 81-4=77, Resulting Numbers: [77] 77,77 equal: Goal Reached
0.969618
hs_5
sum_heuristic
[ 78, 79, 8, 87 ]
77
[ "79+8=87", "87/87=1", "78-1=77" ]
Current State: 77:[78, 79, 8, 87], Operations: [] Exploring Operation: 79+8=87, Resulting Numbers: [78, 87, 87] Generated Node #2: [78, 87, 87] from Operation: 79+8=87 Current State: 77:[78, 87, 87], Operations: ['79+8=87'] Exploring Operation: 87/87=1, Resulting Numbers: [78, 1] Generated Node #3: [78, 1] from Operation: 87/87=1 Current State: 77:[78, 1], Operations: ['79+8=87', '87/87=1'] Exploring Operation: 78-1=77, Resulting Numbers: [77] 77,77 equal: Goal Reached
4
Current State: 77:[78, 79, 8, 87], Operations: [] Exploring Operation: 87-79=8, Resulting Numbers: [78, 8, 8] Generated Node #0,0: 77:[78, 8, 8] Operation: 87-79=8 Exploring Operation: 87-78=9, Resulting Numbers: [79, 8, 9] Generated Node #0,1: 77:[79, 8, 9] Operation: 87-78=9 Exploring Operation: 79-8=71, Resulting Numbers: [78, 87, 71] Generated Node #0,2: 77:[78, 87, 71] Operation: 79-8=71 Exploring Operation: 79-78=1, Resulting Numbers: [8, 87, 1] Generated Node #0,3: 77:[8, 87, 1] Operation: 79-78=1 Exploring Operation: 87-8=79, Resulting Numbers: [78, 79, 79] Generated Node #0,4: 77:[78, 79, 79] Operation: 87-8=79 Start Sub Search at level 1: Moving to Node #0,0 Current State: 77:[78, 8, 8], Operations: ['87-79=8'] Exploring Operation: 8/8=1, Resulting Numbers: [78, 1] Generated Node #0,0,0: 77:[78, 1] Operation: 8/8=1 Exploring Operation: 8-8=0, Resulting Numbers: [78, 0] Generated Node #0,0,1: 77:[78, 0] Operation: 8-8=0 Exploring Operation: 8+8=16, Resulting Numbers: [78, 16] Generated Node #0,0,2: 77:[78, 16] Operation: 8+8=16 Exploring Operation: 78-8=70, Resulting Numbers: [8, 70] Generated Node #0,0,3: 77:[8, 70] Operation: 78-8=70 Exploring Operation: 78-8=70, Resulting Numbers: [8, 70] Generated Node #0,0,4: 77:[8, 70] Operation: 78-8=70 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 77:[78, 16], Operations: ['87-79=8', '8+8=16'] Exploring Operation: 78-16=62, Resulting Numbers: [62] 62,77 unequal: No Solution Exploring Operation: 78*16=1248, Resulting Numbers: [1248] 1248,77 unequal: No Solution Exploring Operation: 78+16=94, Resulting Numbers: [94] 94,77 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 #0,0,0 Current State: 77:[78, 1], Operations: ['87-79=8', '8/8=1'] Exploring Operation: 78*1=78, Resulting Numbers: [78] 78,77 unequal: No Solution Exploring Operation: 78/1=78, Resulting Numbers: [78] 78,77 unequal: No Solution Exploring Operation: 78+1=79, Resulting Numbers: [79] 79,77 unequal: No Solution Exploring Operation: 78-1=77, Resulting Numbers: [77] 77,77 equal: Goal Reached Moving to Node #0 Current State: 77:[78, 79, 8, 87], Operations: [] Exploring Operation: 87-79=8, Resulting Numbers: [78, 8, 8] Generated Node #0,0: 77:[78, 8, 8] Operation: 87-79=8 Moving to Node #0,0 Current State: 77:[78, 8, 8], Operations: ['87-79=8'] Exploring Operation: 8/8=1, Resulting Numbers: [78, 1] Generated Node #0,0,0: 77:[78, 1] Operation: 8/8=1 Moving to Node #0,0,0 Current State: 77:[78, 1], Operations: ['87-79=8', '8/8=1'] Exploring Operation: 78-1=77, Resulting Numbers: [77] 77,77 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.981771
hs_5
mult_heuristic
[ 73, 6, 70, 93 ]
84
[ "73+6=79", "70+93=163", "163-79=84" ]
Current State: 84:[73, 6, 70, 93], Operations: [] Exploring Operation: 73+6=79, Resulting Numbers: [70, 93, 79] Generated Node #2: [70, 93, 79] from Operation: 73+6=79 Current State: 84:[70, 93, 79], Operations: ['73+6=79'] Exploring Operation: 70+93=163, Resulting Numbers: [79, 163] Generated Node #3: [79, 163] from Operation: 70+93=163 Current State: 84:[79, 163], Operations: ['73+6=79', '70+93=163'] Exploring Operation: 163-79=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
4
Current State: 84:[73, 6, 70, 93], Operations: [] Exploring Operation: 73+6=79, Resulting Numbers: [70, 93, 79] Generated Node #0,0: 84:[70, 93, 79] Operation: 73+6=79 Exploring Operation: 93-70=23, Resulting Numbers: [73, 6, 23] Generated Node #0,1: 84:[73, 6, 23] Operation: 93-70=23 Exploring Operation: 73-70=3, Resulting Numbers: [6, 93, 3] Generated Node #0,2: 84:[6, 93, 3] Operation: 73-70=3 Exploring Operation: 93-73=20, Resulting Numbers: [6, 70, 20] Generated Node #0,3: 84:[6, 70, 20] Operation: 93-73=20 Exploring Operation: 6+70=76, Resulting Numbers: [73, 93, 76] Generated Node #0,4: 84:[73, 93, 76] Operation: 6+70=76 Moving to Node #0,2 Current State: 84:[6, 93, 3], Operations: ['73-70=3'] Exploring Operation: 6-3=3, Resulting Numbers: [93, 3] Generated Node #0,2,0: 84:[93, 3] Operation: 6-3=3 Exploring Operation: 93-3=90, Resulting Numbers: [6, 90] Generated Node #0,2,1: 84:[6, 90] Operation: 93-3=90 Exploring Operation: 93-6=87, Resulting Numbers: [3, 87] Generated Node #0,2,2: 84:[3, 87] Operation: 93-6=87 Exploring Operation: 93/3=31, Resulting Numbers: [6, 31] Generated Node #0,2,3: 84:[6, 31] Operation: 93/3=31 Exploring Operation: 6/3=2, Resulting Numbers: [93, 2] Generated Node #0,2,4: 84:[93, 2] Operation: 6/3=2 Moving to Node #0,1 Current State: 84:[73, 6, 23], Operations: ['93-70=23'] Exploring Operation: 73-23=50, Resulting Numbers: [6, 50] Generated Node #0,1,0: 84:[6, 50] Operation: 73-23=50 Exploring Operation: 73+23=96, Resulting Numbers: [6, 96] Generated Node #0,1,1: 84:[6, 96] Operation: 73+23=96 Exploring Operation: 73+6=79, Resulting Numbers: [23, 79] Generated Node #0,1,2: 84:[23, 79] Operation: 73+6=79 Exploring Operation: 6+23=29, Resulting Numbers: [73, 29] Generated Node #0,1,3: 84:[73, 29] Operation: 6+23=29 Exploring Operation: 23-6=17, Resulting Numbers: [73, 17] Generated Node #0,1,4: 84:[73, 17] Operation: 23-6=17 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 84:[23, 79], Operations: ['93-70=23', '73+6=79'] Exploring Operation: 79-23=56, Resulting Numbers: [56] 56,84 unequal: No Solution Exploring Operation: 23*79=1817, Resulting Numbers: [1817] 1817,84 unequal: No Solution Exploring Operation: 23+79=102, Resulting Numbers: [102] 102,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 84:[6, 50], Operations: ['93-70=23', '73-23=50'] Exploring Operation: 50-6=44, Resulting Numbers: [44] 44,84 unequal: No Solution Exploring Operation: 6*50=300, Resulting Numbers: [300] 300,84 unequal: No Solution Exploring Operation: 6+50=56, Resulting Numbers: [56] 56,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 84:[6, 96], Operations: ['93-70=23', '73+23=96'] Exploring Operation: 96/6=16, Resulting Numbers: [16] 16,84 unequal: No Solution Exploring Operation: 6*96=576, Resulting Numbers: [576] 576,84 unequal: No Solution Exploring Operation: 6+96=102, Resulting Numbers: [102] 102,84 unequal: No Solution Exploring Operation: 96-6=90, Resulting Numbers: [90] 90,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 84:[73, 29], Operations: ['93-70=23', '6+23=29'] Exploring Operation: 73-29=44, Resulting Numbers: [44] 44,84 unequal: No Solution Exploring Operation: 73*29=2117, Resulting Numbers: [2117] 2117,84 unequal: No Solution Exploring Operation: 73+29=102, Resulting Numbers: [102] 102,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 84:[73, 17], Operations: ['93-70=23', '23-6=17'] Exploring Operation: 73+17=90, Resulting Numbers: [90] 90,84 unequal: No Solution Exploring Operation: 73*17=1241, Resulting Numbers: [1241] 1241,84 unequal: No Solution Exploring Operation: 73-17=56, Resulting Numbers: [56] 56,84 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: 84:[6, 70, 20], Operations: ['93-73=20'] Exploring Operation: 70+20=90, Resulting Numbers: [6, 90] Generated Node #0,3,0: 84:[6, 90] Operation: 70+20=90 Exploring Operation: 70-20=50, Resulting Numbers: [6, 50] Generated Node #0,3,1: 84:[6, 50] Operation: 70-20=50 Exploring Operation: 20-6=14, Resulting Numbers: [70, 14] Generated Node #0,3,2: 84:[70, 14] Operation: 20-6=14 Exploring Operation: 6+70=76, Resulting Numbers: [20, 76] Generated Node #0,3,3: 84:[20, 76] Operation: 6+70=76 Exploring Operation: 6+20=26, Resulting Numbers: [70, 26] Generated Node #0,3,4: 84:[70, 26] Operation: 6+20=26 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 84:[6, 90], Operations: ['93-73=20', '70+20=90'] Exploring Operation: 90/6=15, Resulting Numbers: [15] 15,84 unequal: No Solution Exploring Operation: 6+90=96, Resulting Numbers: [96] 96,84 unequal: No Solution Exploring Operation: 6*90=540, Resulting Numbers: [540] 540,84 unequal: No Solution Exploring Operation: 90-6=84, Resulting Numbers: [84] 84,84 equal: Goal Reached Moving to Node #0 Current State: 84:[73, 6, 70, 93], Operations: [] Exploring Operation: 93-73=20, Resulting Numbers: [6, 70, 20] Generated Node #0,3: 84:[6, 70, 20] Operation: 93-73=20 Moving to Node #0,3 Current State: 84:[6, 70, 20], Operations: ['93-73=20'] Exploring Operation: 70+20=90, Resulting Numbers: [6, 90] Generated Node #0,3,0: 84:[6, 90] Operation: 70+20=90 Moving to Node #0,3,0 Current State: 84:[6, 90], Operations: ['93-73=20', '70+20=90'] Exploring Operation: 90-6=84, Resulting Numbers: [84] 84,84 equal: Goal Reached Exit Sub Search at level 1
0.961806
hs_5
mult_heuristic
[ 12, 21, 55, 31 ]
15
[ "21-12=9", "55-31=24", "24-9=15" ]
Current State: 15:[12, 21, 55, 31], Operations: [] Exploring Operation: 21-12=9, Resulting Numbers: [55, 31, 9] Generated Node #2: [55, 31, 9] from Operation: 21-12=9 Current State: 15:[55, 31, 9], Operations: ['21-12=9'] Exploring Operation: 55-31=24, Resulting Numbers: [9, 24] Generated Node #3: [9, 24] from Operation: 55-31=24 Current State: 15:[9, 24], Operations: ['21-12=9', '55-31=24'] Exploring Operation: 24-9=15, Resulting Numbers: [15] 15,15 equal: Goal Reached
4
Current State: 15:[12, 21, 55, 31], Operations: [] Exploring Operation: 55-21=34, Resulting Numbers: [12, 31, 34] Generated Node #0,0: 15:[12, 31, 34] Operation: 55-21=34 Exploring Operation: 55-12=43, Resulting Numbers: [21, 31, 43] Generated Node #0,1: 15:[21, 31, 43] Operation: 55-12=43 Exploring Operation: 55-31=24, Resulting Numbers: [12, 21, 24] Generated Node #0,2: 15:[12, 21, 24] Operation: 55-31=24 Exploring Operation: 31-21=10, Resulting Numbers: [12, 55, 10] Generated Node #0,3: 15:[12, 55, 10] Operation: 31-21=10 Exploring Operation: 31-12=19, Resulting Numbers: [21, 55, 19] Generated Node #0,4: 15:[21, 55, 19] Operation: 31-12=19 Start Sub Search at level 1: Moving to Node #0,2 Current State: 15:[12, 21, 24], Operations: ['55-31=24'] Exploring Operation: 12+21=33, Resulting Numbers: [24, 33] Generated Node #0,2,0: 15:[24, 33] Operation: 12+21=33 Exploring Operation: 24/12=2, Resulting Numbers: [21, 2] Generated Node #0,2,1: 15:[21, 2] Operation: 24/12=2 Exploring Operation: 24-12=12, Resulting Numbers: [21, 12] Generated Node #0,2,2: 15:[21, 12] Operation: 24-12=12 Exploring Operation: 21-12=9, Resulting Numbers: [24, 9] Generated Node #0,2,3: 15:[24, 9] Operation: 21-12=9 Exploring Operation: 24-21=3, Resulting Numbers: [12, 3] Generated Node #0,2,4: 15:[12, 3] Operation: 24-21=3 Moving to Node #0,2,4 Current State: 15:[12, 3], Operations: ['55-31=24', '24-21=3'] Exploring Operation: 12*3=36, Resulting Numbers: [36] 36,15 unequal: No Solution Exploring Operation: 12-3=9, Resulting Numbers: [9] 9,15 unequal: No Solution Exploring Operation: 12/3=4, Resulting Numbers: [4] 4,15 unequal: No Solution Exploring Operation: 12+3=15, Resulting Numbers: [15] 15,15 equal: Goal Reached Moving to Node #0 Current State: 15:[12, 21, 55, 31], Operations: [] Exploring Operation: 55-31=24, Resulting Numbers: [12, 21, 24] Generated Node #0,2: 15:[12, 21, 24] Operation: 55-31=24 Moving to Node #0,2 Current State: 15:[12, 21, 24], Operations: ['55-31=24'] Exploring Operation: 24-21=3, Resulting Numbers: [12, 3] Generated Node #0,2,4: 15:[12, 3] Operation: 24-21=3 Moving to Node #0,2,4 Current State: 15:[12, 3], Operations: ['55-31=24', '24-21=3'] Exploring Operation: 12+3=15, Resulting Numbers: [15] 15,15 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_5
mult_heuristic
[ 1, 41, 29, 37 ]
32
[ "41-1=40", "37-29=8", "40-8=32" ]
Current State: 32:[1, 41, 29, 37], Operations: [] Exploring Operation: 41-1=40, Resulting Numbers: [29, 37, 40] Generated Node #2: [29, 37, 40] from Operation: 41-1=40 Current State: 32:[29, 37, 40], Operations: ['41-1=40'] Exploring Operation: 37-29=8, Resulting Numbers: [40, 8] Generated Node #3: [40, 8] from Operation: 37-29=8 Current State: 32:[40, 8], Operations: ['41-1=40', '37-29=8'] Exploring Operation: 40-8=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[1, 41, 29, 37], Operations: [] Exploring Operation: 41-29=12, Resulting Numbers: [1, 37, 12] Generated Node #0,0: 32:[1, 37, 12] Operation: 41-29=12 Exploring Operation: 41-37=4, Resulting Numbers: [1, 29, 4] Generated Node #0,1: 32:[1, 29, 4] Operation: 41-37=4 Exploring Operation: 37-29=8, Resulting Numbers: [1, 41, 8] Generated Node #0,2: 32:[1, 41, 8] Operation: 37-29=8 Moving to Node #0,1 Current State: 32:[1, 29, 4], Operations: ['41-37=4'] Exploring Operation: 1+29=30, Resulting Numbers: [4, 30] Generated Node #0,1,0: 32:[4, 30] Operation: 1+29=30 Exploring Operation: 29+4=33, Resulting Numbers: [1, 33] Generated Node #0,1,1: 32:[1, 33] Operation: 29+4=33 Exploring Operation: 1*29=29, Resulting Numbers: [4, 29] Generated Node #0,1,2: 32:[4, 29] Operation: 1*29=29 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 32:[4, 30], Operations: ['41-37=4', '1+29=30'] Exploring Operation: 4*30=120, Resulting Numbers: [120] 120,32 unequal: No Solution Exploring Operation: 4+30=34, Resulting Numbers: [34] 34,32 unequal: No Solution Exploring Operation: 30-4=26, Resulting Numbers: [26] 26,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 32:[1, 33], Operations: ['41-37=4', '29+4=33'] Exploring Operation: 1*33=33, Resulting Numbers: [33] 33,32 unequal: No Solution Exploring Operation: 33/1=33, Resulting Numbers: [33] 33,32 unequal: No Solution Exploring Operation: 33-1=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Moving to Node #0 Current State: 32:[1, 41, 29, 37], Operations: [] Exploring Operation: 41-37=4, Resulting Numbers: [1, 29, 4] Generated Node #0,1: 32:[1, 29, 4] Operation: 41-37=4 Moving to Node #0,1 Current State: 32:[1, 29, 4], Operations: ['41-37=4'] Exploring Operation: 29+4=33, Resulting Numbers: [1, 33] Generated Node #0,1,1: 32:[1, 33] Operation: 29+4=33 Moving to Node #0,1,1 Current State: 32:[1, 33], Operations: ['41-37=4', '29+4=33'] Exploring Operation: 33-1=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_3
mult_heuristic
[ 38, 58, 36, 76 ]
11
[ "76/38=2", "58-36=22", "22/2=11" ]
Current State: 11:[38, 58, 36, 76], Operations: [] Exploring Operation: 76/38=2, Resulting Numbers: [58, 36, 2] Generated Node #2: [58, 36, 2] from Operation: 76/38=2 Current State: 11:[58, 36, 2], Operations: ['76/38=2'] Exploring Operation: 58-36=22, Resulting Numbers: [2, 22] Generated Node #3: [2, 22] from Operation: 58-36=22 Current State: 11:[2, 22], Operations: ['76/38=2', '58-36=22'] Exploring Operation: 22/2=11, Resulting Numbers: [11] 11,11 equal: Goal Reached
4
Current State: 11:[38, 58, 36, 76], Operations: [] Exploring Operation: 76-58=18, Resulting Numbers: [38, 36, 18] Generated Node #0,0: 11:[38, 36, 18] Operation: 76-58=18 Exploring Operation: 76/38=2, Resulting Numbers: [58, 36, 2] Generated Node #0,1: 11:[58, 36, 2] Operation: 76/38=2 Moving to Node #0,0 Current State: 11:[38, 36, 18], Operations: ['76-58=18'] Exploring Operation: 38-18=20, Resulting Numbers: [36, 20] Generated Node #0,0,0: 11:[36, 20] Operation: 38-18=20 Exploring Operation: 38-36=2, Resulting Numbers: [18, 2] Generated Node #0,0,1: 11:[18, 2] Operation: 38-36=2 Moving to Node #0,1 Current State: 11:[58, 36, 2], Operations: ['76/38=2'] Exploring Operation: 58-36=22, Resulting Numbers: [2, 22] Generated Node #0,1,0: 11:[2, 22] Operation: 58-36=22 Exploring Operation: 58/2=29, Resulting Numbers: [36, 29] Generated Node #0,1,1: 11:[36, 29] Operation: 58/2=29 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 11:[2, 22], Operations: ['76/38=2', '58-36=22'] Exploring Operation: 22-2=20, Resulting Numbers: [20] 20,11 unequal: No Solution Exploring Operation: 22/2=11, Resulting Numbers: [11] 11,11 equal: Goal Reached Moving to Node #0 Current State: 11:[38, 58, 36, 76], Operations: [] Exploring Operation: 76/38=2, Resulting Numbers: [58, 36, 2] Generated Node #0,1: 11:[58, 36, 2] Operation: 76/38=2 Moving to Node #0,1 Current State: 11:[58, 36, 2], Operations: ['76/38=2'] Exploring Operation: 58-36=22, Resulting Numbers: [2, 22] Generated Node #0,1,0: 11:[2, 22] Operation: 58-36=22 Moving to Node #0,1,0 Current State: 11:[2, 22], Operations: ['76/38=2', '58-36=22'] Exploring Operation: 22/2=11, Resulting Numbers: [11] 11,11 equal: Goal Reached Exit Sub Search at level 1
0.989583
hs_2
mult_heuristic
[ 94, 11, 35, 11 ]
62
[ "94-35=59", "11*11=121", "121-59=62" ]
Current State: 62:[94, 11, 35, 11], Operations: [] Exploring Operation: 94-35=59, Resulting Numbers: [11, 11, 59] Generated Node #2: [11, 11, 59] from Operation: 94-35=59 Current State: 62:[11, 11, 59], Operations: ['94-35=59'] Exploring Operation: 11*11=121, Resulting Numbers: [59, 121] Generated Node #3: [59, 121] from Operation: 11*11=121 Current State: 62:[59, 121], Operations: ['94-35=59', '11*11=121'] Exploring Operation: 121-59=62, Resulting Numbers: [62] 62,62 equal: Goal Reached
4
Current State: 62:[94, 11, 35, 11], Operations: [] Exploring Operation: 94-11=83, Resulting Numbers: [11, 35, 83] Generated Node #0,0: 62:[11, 35, 83] Operation: 94-11=83 Exploring Operation: 94-11=83, Resulting Numbers: [35, 11, 83] Generated Node #0,1: 62:[35, 11, 83] Operation: 94-11=83 Exploring Operation: 11/11=1, Resulting Numbers: [94, 35, 1] Generated Node #0,2: 62:[94, 35, 1] Operation: 11/11=1 Exploring Operation: 94-35=59, Resulting Numbers: [11, 11, 59] Generated Node #0,3: 62:[11, 11, 59] Operation: 94-35=59 Exploring Operation: 11-11=0, Resulting Numbers: [94, 35, 0] Generated Node #0,4: 62:[94, 35, 0] Operation: 11-11=0 Moving to Node #0,3 Current State: 62:[11, 11, 59], Operations: ['94-35=59'] Exploring Operation: 11/11=1, Resulting Numbers: [59, 1] Generated Node #0,3,0: 62:[59, 1] Operation: 11/11=1 Exploring Operation: 11+59=70, Resulting Numbers: [11, 70] Generated Node #0,3,1: 62:[11, 70] Operation: 11+59=70 Exploring Operation: 11-11=0, Resulting Numbers: [59, 0] Generated Node #0,3,2: 62:[59, 0] Operation: 11-11=0 Exploring Operation: 11+11=22, Resulting Numbers: [59, 22] Generated Node #0,3,3: 62:[59, 22] Operation: 11+11=22 Exploring Operation: 11+59=70, Resulting Numbers: [11, 70] Generated Node #0,3,4: 62:[11, 70] Operation: 11+59=70 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 62:[59, 1], Operations: ['94-35=59', '11/11=1'] Exploring Operation: 59+1=60, Resulting Numbers: [60] 60,62 unequal: No Solution Exploring Operation: 59-1=58, Resulting Numbers: [58] 58,62 unequal: No Solution Exploring Operation: 59*1=59, Resulting Numbers: [59] 59,62 unequal: No Solution Exploring Operation: 59/1=59, Resulting Numbers: [59] 59,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 62:[59, 0], Operations: ['94-35=59', '11-11=0'] Exploring Operation: 59*0=0, Resulting Numbers: [0] 0,62 unequal: No Solution Exploring Operation: 59-0=59, Resulting Numbers: [59] 59,62 unequal: No Solution Exploring Operation: 59+0=59, Resulting Numbers: [59] 59,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 62:[59, 22], Operations: ['94-35=59', '11+11=22'] Exploring Operation: 59+22=81, Resulting Numbers: [81] 81,62 unequal: No Solution Exploring Operation: 59*22=1298, Resulting Numbers: [1298] 1298,62 unequal: No Solution Exploring Operation: 59-22=37, Resulting Numbers: [37] 37,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 62:[11, 70], Operations: ['94-35=59', '11+59=70'] Exploring Operation: 11+70=81, Resulting Numbers: [81] 81,62 unequal: No Solution Exploring Operation: 11*70=770, Resulting Numbers: [770] 770,62 unequal: No Solution Exploring Operation: 70-11=59, Resulting Numbers: [59] 59,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 62:[11, 70], Operations: ['94-35=59', '11+59=70'] Exploring Operation: 70-11=59, Resulting Numbers: [59] 59,62 unequal: No Solution Exploring Operation: 11*70=770, Resulting Numbers: [770] 770,62 unequal: No Solution Exploring Operation: 11+70=81, Resulting Numbers: [81] 81,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 62:[35, 11, 83], Operations: ['94-11=83'] Exploring Operation: 11+83=94, Resulting Numbers: [35, 94] Generated Node #0,1,0: 62:[35, 94] Operation: 11+83=94 Exploring Operation: 35+11=46, Resulting Numbers: [83, 46] Generated Node #0,1,1: 62:[83, 46] Operation: 35+11=46 Exploring Operation: 35-11=24, Resulting Numbers: [83, 24] Generated Node #0,1,2: 62:[83, 24] Operation: 35-11=24 Exploring Operation: 83-35=48, Resulting Numbers: [11, 48] Generated Node #0,1,3: 62:[11, 48] Operation: 83-35=48 Exploring Operation: 83-11=72, Resulting Numbers: [35, 72] Generated Node #0,1,4: 62:[35, 72] Operation: 83-11=72 Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 62:[35, 72], Operations: ['94-11=83', '83-11=72'] Exploring Operation: 35+72=107, Resulting Numbers: [107] 107,62 unequal: No Solution Exploring Operation: 35*72=2520, Resulting Numbers: [2520] 2520,62 unequal: No Solution Exploring Operation: 72-35=37, Resulting Numbers: [37] 37,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 62:[11, 48], Operations: ['94-11=83', '83-35=48'] Exploring Operation: 11+48=59, Resulting Numbers: [59] 59,62 unequal: No Solution Exploring Operation: 48-11=37, Resulting Numbers: [37] 37,62 unequal: No Solution Exploring Operation: 11*48=528, Resulting Numbers: [528] 528,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 62:[83, 24], Operations: ['94-11=83', '35-11=24'] Exploring Operation: 83-24=59, Resulting Numbers: [59] 59,62 unequal: No Solution Exploring Operation: 83+24=107, Resulting Numbers: [107] 107,62 unequal: No Solution Exploring Operation: 83*24=1992, Resulting Numbers: [1992] 1992,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 62:[35, 94], Operations: ['94-11=83', '11+83=94'] Exploring Operation: 35+94=129, Resulting Numbers: [129] 129,62 unequal: No Solution Exploring Operation: 94-35=59, Resulting Numbers: [59] 59,62 unequal: No Solution Exploring Operation: 35*94=3290, Resulting Numbers: [3290] 3290,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 62:[83, 46], Operations: ['94-11=83', '35+11=46'] Exploring Operation: 83*46=3818, Resulting Numbers: [3818] 3818,62 unequal: No Solution Exploring Operation: 83-46=37, Resulting Numbers: [37] 37,62 unequal: No Solution Exploring Operation: 83+46=129, Resulting Numbers: [129] 129,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 62:[11, 35, 83], Operations: ['94-11=83'] Exploring Operation: 83-11=72, Resulting Numbers: [35, 72] Generated Node #0,0,0: 62:[35, 72] Operation: 83-11=72 Exploring Operation: 11+35=46, Resulting Numbers: [83, 46] Generated Node #0,0,1: 62:[83, 46] Operation: 11+35=46 Exploring Operation: 83-35=48, Resulting Numbers: [11, 48] Generated Node #0,0,2: 62:[11, 48] Operation: 83-35=48 Exploring Operation: 11+83=94, Resulting Numbers: [35, 94] Generated Node #0,0,3: 62:[35, 94] Operation: 11+83=94 Exploring Operation: 35-11=24, Resulting Numbers: [83, 24] Generated Node #0,0,4: 62:[83, 24] Operation: 35-11=24 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 62:[35, 72], Operations: ['94-11=83', '83-11=72'] Exploring Operation: 35*72=2520, Resulting Numbers: [2520] 2520,62 unequal: No Solution Exploring Operation: 35+72=107, Resulting Numbers: [107] 107,62 unequal: No Solution Exploring Operation: 72-35=37, Resulting Numbers: [37] 37,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 62:[11, 48], Operations: ['94-11=83', '83-35=48'] Exploring Operation: 48-11=37, Resulting Numbers: [37] 37,62 unequal: No Solution Exploring Operation: 11*48=528, Resulting Numbers: [528] 528,62 unequal: No Solution Exploring Operation: 11+48=59, Resulting Numbers: [59] 59,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 62:[83, 24], Operations: ['94-11=83', '35-11=24'] Exploring Operation: 83+24=107, Resulting Numbers: [107] 107,62 unequal: No Solution Exploring Operation: 83*24=1992, Resulting Numbers: [1992] 1992,62 unequal: No Solution Exploring Operation: 83-24=59, Resulting Numbers: [59] 59,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 62:[83, 46], Operations: ['94-11=83', '11+35=46'] Exploring Operation: 83+46=129, Resulting Numbers: [129] 129,62 unequal: No Solution Exploring Operation: 83*46=3818, Resulting Numbers: [3818] 3818,62 unequal: No Solution Exploring Operation: 83-46=37, Resulting Numbers: [37] 37,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 62:[35, 94], Operations: ['94-11=83', '11+83=94'] Exploring Operation: 35*94=3290, Resulting Numbers: [3290] 3290,62 unequal: No Solution Exploring Operation: 94-35=59, Resulting Numbers: [59] 59,62 unequal: No Solution Exploring Operation: 35+94=129, Resulting Numbers: [129] 129,62 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: 62:[94, 35, 1], Operations: ['11/11=1'] Exploring Operation: 94/1=94, Resulting Numbers: [35, 94] Generated Node #0,2,0: 62:[35, 94] Operation: 94/1=94 Exploring Operation: 94-1=93, Resulting Numbers: [35, 93] Generated Node #0,2,1: 62:[35, 93] Operation: 94-1=93 Exploring Operation: 94*1=94, Resulting Numbers: [35, 94] Generated Node #0,2,2: 62:[35, 94] Operation: 94*1=94 Exploring Operation: 35-1=34, Resulting Numbers: [94, 34] Generated Node #0,2,3: 62:[94, 34] Operation: 35-1=34 Exploring Operation: 94-35=59, Resulting Numbers: [1, 59] Generated Node #0,2,4: 62:[1, 59] Operation: 94-35=59 Moving to Node #0,4 Current State: 62:[94, 35, 0], Operations: ['11-11=0'] Exploring Operation: 94*0=0, Resulting Numbers: [35, 0] Generated Node #0,4,0: 62:[35, 0] Operation: 94*0=0 Exploring Operation: 94-35=59, Resulting Numbers: [0, 59] Generated Node #0,4,1: 62:[0, 59] Operation: 94-35=59 Exploring Operation: 94+0=94, Resulting Numbers: [35, 94] Generated Node #0,4,2: 62:[35, 94] Operation: 94+0=94 Exploring Operation: 35*0=0, Resulting Numbers: [94, 0] Generated Node #0,4,3: 62:[94, 0] Operation: 35*0=0 Exploring Operation: 94-0=94, Resulting Numbers: [35, 94] Generated Node #0,4,4: 62:[35, 94] Operation: 94-0=94 Moving to Node #0,2,4 Current State: 62:[1, 59], Operations: ['11/11=1', '94-35=59'] Exploring Operation: 1*59=59, Resulting Numbers: [59] 59,62 unequal: No Solution Exploring Operation: 59-1=58, Resulting Numbers: [58] 58,62 unequal: No Solution Exploring Operation: 59/1=59, Resulting Numbers: [59] 59,62 unequal: No Solution Exploring Operation: 1+59=60, Resulting Numbers: [60] 60,62 unequal: No Solution Moving to Node #0,4,1 Current State: 62:[0, 59], Operations: ['11-11=0', '94-35=59'] Exploring Operation: 0+59=59, Resulting Numbers: [59] 59,62 unequal: No Solution Exploring Operation: 0*59=0, Resulting Numbers: [0] 0,62 unequal: No Solution Exploring Operation: 59-0=59, Resulting Numbers: [59] 59,62 unequal: No Solution Moving to Node #0,4,0 Current State: 62:[35, 0], Operations: ['11-11=0', '94*0=0'] Exploring Operation: 35*0=0, Resulting Numbers: [0] 0,62 unequal: No Solution Exploring Operation: 35+0=35, Resulting Numbers: [35] 35,62 unequal: No Solution Exploring Operation: 35-0=35, Resulting Numbers: [35] 35,62 unequal: No Solution Moving to Node #0,4,3 Current State: 62:[94, 0], Operations: ['11-11=0', '35*0=0'] Exploring Operation: 94+0=94, Resulting Numbers: [94] 94,62 unequal: No Solution Exploring Operation: 94*0=0, Resulting Numbers: [0] 0,62 unequal: No Solution Exploring Operation: 94-0=94, Resulting Numbers: [94] 94,62 unequal: No Solution Moving to Node #0,2,3 Current State: 62:[94, 34], Operations: ['11/11=1', '35-1=34'] Exploring Operation: 94*34=3196, Resulting Numbers: [3196] 3196,62 unequal: No Solution Exploring Operation: 94-34=60, Resulting Numbers: [60] 60,62 unequal: No Solution Exploring Operation: 94+34=128, Resulting Numbers: [128] 128,62 unequal: No Solution Moving to Node #0,2,1 Current State: 62:[35, 93], Operations: ['11/11=1', '94-1=93'] Exploring Operation: 35*93=3255, Resulting Numbers: [3255] 3255,62 unequal: No Solution Exploring Operation: 93-35=58, Resulting Numbers: [58] 58,62 unequal: No Solution Exploring Operation: 35+93=128, Resulting Numbers: [128] 128,62 unequal: No Solution Moving to Node #0,4,2 Current State: 62:[35, 94], Operations: ['11-11=0', '94+0=94'] Exploring Operation: 35+94=129, Resulting Numbers: [129] 129,62 unequal: No Solution Exploring Operation: 94-35=59, Resulting Numbers: [59] 59,62 unequal: No Solution Exploring Operation: 35*94=3290, Resulting Numbers: [3290] 3290,62 unequal: No Solution Moving to Node #0,4,4 Current State: 62:[35, 94], Operations: ['11-11=0', '94-0=94'] Exploring Operation: 94-35=59, Resulting Numbers: [59] 59,62 unequal: No Solution Exploring Operation: 35*94=3290, Resulting Numbers: [3290] 3290,62 unequal: No Solution Exploring Operation: 35+94=129, Resulting Numbers: [129] 129,62 unequal: No Solution Moving to Node #0,2,2 Current State: 62:[35, 94], Operations: ['11/11=1', '94*1=94'] Exploring Operation: 94-35=59, Resulting Numbers: [59] 59,62 unequal: No Solution Exploring Operation: 35+94=129, Resulting Numbers: [129] 129,62 unequal: No Solution Exploring Operation: 35*94=3290, Resulting Numbers: [3290] 3290,62 unequal: No Solution Moving to Node #0,2,0 Current State: 62:[35, 94], Operations: ['11/11=1', '94/1=94'] Exploring Operation: 35+94=129, Resulting Numbers: [129] 129,62 unequal: No Solution Exploring Operation: 94-35=59, Resulting Numbers: [59] 59,62 unequal: No Solution Exploring Operation: 35*94=3290, Resulting Numbers: [3290] 3290,62 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 8, 20, 30, 10 ]
65
[ "20*30=600", "600/8=75", "75-10=65" ]
Current State: 65:[8, 20, 30, 10], Operations: [] Exploring Operation: 20*30=600, Resulting Numbers: [8, 10, 600] Generated Node #2: [8, 10, 600] from Operation: 20*30=600 Current State: 65:[8, 10, 600], Operations: ['20*30=600'] Exploring Operation: 600/8=75, Resulting Numbers: [10, 75] Generated Node #3: [10, 75] from Operation: 600/8=75 Current State: 65:[10, 75], Operations: ['20*30=600', '600/8=75'] Exploring Operation: 75-10=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
4
Current State: 65:[8, 20, 30, 10], Operations: [] Exploring Operation: 30-20=10, Resulting Numbers: [8, 10, 10] Generated Node #0,0: 65:[8, 10, 10] Operation: 30-20=10 Moving to Node #0,0 Current State: 65:[8, 10, 10], Operations: ['30-20=10'] Exploring Operation: 10-8=2, Resulting Numbers: [10, 2] Generated Node #0,0,0: 65:[10, 2] Operation: 10-8=2 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 65:[10, 2], Operations: ['30-20=10', '10-8=2'] Exploring Operation: 10/2=5, Resulting Numbers: [5] 5,65 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
[ 38, 33, 90, 48 ]
47
[ "38-33=5", "90-48=42", "5+42=47" ]
Current State: 47:[38, 33, 90, 48], Operations: [] Exploring Operation: 38-33=5, Resulting Numbers: [90, 48, 5] Generated Node #2: [90, 48, 5] from Operation: 38-33=5 Current State: 47:[90, 48, 5], Operations: ['38-33=5'] Exploring Operation: 90-48=42, Resulting Numbers: [5, 42] Generated Node #3: [5, 42] from Operation: 90-48=42 Current State: 47:[5, 42], Operations: ['38-33=5', '90-48=42'] Exploring Operation: 5+42=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[38, 33, 90, 48], Operations: [] Exploring Operation: 90-33=57, Resulting Numbers: [38, 48, 57] Generated Node #0,0: 47:[38, 48, 57] Operation: 90-33=57 Exploring Operation: 90-38=52, Resulting Numbers: [33, 48, 52] Generated Node #0,1: 47:[33, 48, 52] Operation: 90-38=52 Start Sub Search at level 1: Moving to Node #0,0 Current State: 47:[38, 48, 57], Operations: ['90-33=57'] Exploring Operation: 57-38=19, Resulting Numbers: [48, 19] Generated Node #0,0,0: 47:[48, 19] Operation: 57-38=19 Exploring Operation: 48-38=10, Resulting Numbers: [57, 10] Generated Node #0,0,1: 47:[57, 10] Operation: 48-38=10 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 47:[48, 19], Operations: ['90-33=57', '57-38=19'] Exploring Operation: 48-19=29, Resulting Numbers: [29] 29,47 unequal: No Solution Exploring Operation: 48+19=67, Resulting Numbers: [67] 67,47 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 47:[57, 10], Operations: ['90-33=57', '48-38=10'] Exploring Operation: 57+10=67, Resulting Numbers: [67] 67,47 unequal: No Solution Exploring Operation: 57-10=47, Resulting Numbers: [47] 47,47 equal: Goal Reached Moving to Node #0 Current State: 47:[38, 33, 90, 48], Operations: [] Exploring Operation: 90-33=57, Resulting Numbers: [38, 48, 57] Generated Node #0,0: 47:[38, 48, 57] Operation: 90-33=57 Moving to Node #0,0 Current State: 47:[38, 48, 57], Operations: ['90-33=57'] Exploring Operation: 48-38=10, Resulting Numbers: [57, 10] Generated Node #0,0,1: 47:[57, 10] Operation: 48-38=10 Moving to Node #0,0,1 Current State: 47:[57, 10], Operations: ['90-33=57', '48-38=10'] Exploring Operation: 57-10=47, Resulting Numbers: [47] 47,47 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.989583
hs_2
sum_heuristic
[ 1, 65, 68, 22 ]
25
[ "1*65=65", "68+22=90", "90-65=25" ]
Current State: 25:[1, 65, 68, 22], Operations: [] Exploring Operation: 1*65=65, Resulting Numbers: [68, 22, 65] Generated Node #2: [68, 22, 65] from Operation: 1*65=65 Current State: 25:[68, 22, 65], Operations: ['1*65=65'] Exploring Operation: 68+22=90, Resulting Numbers: [65, 90] Generated Node #3: [65, 90] from Operation: 68+22=90 Current State: 25:[65, 90], Operations: ['1*65=65', '68+22=90'] Exploring Operation: 90-65=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[1, 65, 68, 22], Operations: [] Exploring Operation: 68-65=3, Resulting Numbers: [1, 22, 3] Generated Node #0,0: 25:[1, 22, 3] Operation: 68-65=3 Moving to Node #0,0 Current State: 25:[1, 22, 3], Operations: ['68-65=3'] Exploring Operation: 1+22=23, Resulting Numbers: [3, 23] Generated Node #0,0,0: 25:[3, 23] Operation: 1+22=23 Moving to Node #0,0,0 Current State: 25:[3, 23], Operations: ['68-65=3', '1+22=23'] Exploring Operation: 3+23=26, Resulting Numbers: [26] 26,25 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 33, 5, 36, 42 ]
50
[ "33-5=28", "36+42=78", "78-28=50" ]
Current State: 50:[33, 5, 36, 42], Operations: [] Exploring Operation: 33-5=28, Resulting Numbers: [36, 42, 28] Generated Node #2: [36, 42, 28] from Operation: 33-5=28 Current State: 50:[36, 42, 28], Operations: ['33-5=28'] Exploring Operation: 36+42=78, Resulting Numbers: [28, 78] Generated Node #3: [28, 78] from Operation: 36+42=78 Current State: 50:[28, 78], Operations: ['33-5=28', '36+42=78'] Exploring Operation: 78-28=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[33, 5, 36, 42], Operations: [] Exploring Operation: 36-33=3, Resulting Numbers: [5, 42, 3] Generated Node #0,0: 50:[5, 42, 3] Operation: 36-33=3 Start Sub Search at level 1: Moving to Node #0,0 Current State: 50:[5, 42, 3], Operations: ['36-33=3'] Exploring Operation: 5+42=47, Resulting Numbers: [3, 47] Generated Node #0,0,0: 50:[3, 47] Operation: 5+42=47 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 50:[3, 47], Operations: ['36-33=3', '5+42=47'] Exploring Operation: 3+47=50, Resulting Numbers: [50] 50,50 equal: Goal Reached Moving to Node #0 Current State: 50:[33, 5, 36, 42], Operations: [] Exploring Operation: 36-33=3, Resulting Numbers: [5, 42, 3] Generated Node #0,0: 50:[5, 42, 3] Operation: 36-33=3 Moving to Node #0,0 Current State: 50:[5, 42, 3], Operations: ['36-33=3'] Exploring Operation: 5+42=47, Resulting Numbers: [3, 47] Generated Node #0,0,0: 50:[3, 47] Operation: 5+42=47 Moving to Node #0,0,0 Current State: 50:[3, 47], Operations: ['36-33=3', '5+42=47'] Exploring Operation: 3+47=50, Resulting Numbers: [50] 50,50 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 60, 42, 23, 17 ]
17
[ "60+42=102", "23-17=6", "102/6=17" ]
Current State: 17:[60, 42, 23, 17], Operations: [] Exploring Operation: 60+42=102, Resulting Numbers: [23, 17, 102] Generated Node #2: [23, 17, 102] from Operation: 60+42=102 Current State: 17:[23, 17, 102], Operations: ['60+42=102'] Exploring Operation: 23-17=6, Resulting Numbers: [102, 6] Generated Node #3: [102, 6] from Operation: 23-17=6 Current State: 17:[102, 6], Operations: ['60+42=102', '23-17=6'] Exploring Operation: 102/6=17, Resulting Numbers: [17] 17,17 equal: Goal Reached
4
Current State: 17:[60, 42, 23, 17], Operations: [] Exploring Operation: 60-42=18, Resulting Numbers: [23, 17, 18] Generated Node #0,0: 17:[23, 17, 18] Operation: 60-42=18 Exploring Operation: 60-23=37, Resulting Numbers: [42, 17, 37] Generated Node #0,1: 17:[42, 17, 37] Operation: 60-23=37 Exploring Operation: 42-17=25, Resulting Numbers: [60, 23, 25] Generated Node #0,2: 17:[60, 23, 25] Operation: 42-17=25 Exploring Operation: 60-17=43, Resulting Numbers: [42, 23, 43] Generated Node #0,3: 17:[42, 23, 43] Operation: 60-17=43 Exploring Operation: 42-23=19, Resulting Numbers: [60, 17, 19] Generated Node #0,4: 17:[60, 17, 19] Operation: 42-23=19 Moving to Node #0,0 Current State: 17:[23, 17, 18], Operations: ['60-42=18'] Exploring Operation: 23+18=41, Resulting Numbers: [17, 41] Generated Node #0,0,0: 17:[17, 41] Operation: 23+18=41 Exploring Operation: 18-17=1, Resulting Numbers: [23, 1] Generated Node #0,0,1: 17:[23, 1] Operation: 18-17=1 Exploring Operation: 23-18=5, Resulting Numbers: [17, 5] Generated Node #0,0,2: 17:[17, 5] Operation: 23-18=5 Exploring Operation: 23+17=40, Resulting Numbers: [18, 40] Generated Node #0,0,3: 17:[18, 40] Operation: 23+17=40 Exploring Operation: 23-17=6, Resulting Numbers: [18, 6] Generated Node #0,0,4: 17:[18, 6] Operation: 23-17=6 Moving to Node #0,4 Current State: 17:[60, 17, 19], Operations: ['42-23=19'] Exploring Operation: 60-19=41, Resulting Numbers: [17, 41] Generated Node #0,4,0: 17:[17, 41] Operation: 60-19=41 Exploring Operation: 60-17=43, Resulting Numbers: [19, 43] Generated Node #0,4,1: 17:[19, 43] Operation: 60-17=43 Exploring Operation: 60+17=77, Resulting Numbers: [19, 77] Generated Node #0,4,2: 17:[19, 77] Operation: 60+17=77 Exploring Operation: 60+19=79, Resulting Numbers: [17, 79] Generated Node #0,4,3: 17:[17, 79] Operation: 60+19=79 Exploring Operation: 19-17=2, Resulting Numbers: [60, 2] Generated Node #0,4,4: 17:[60, 2] Operation: 19-17=2 Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 17:[17, 41], Operations: ['42-23=19', '60-19=41'] Exploring Operation: 17*41=697, Resulting Numbers: [697] 697,17 unequal: No Solution Exploring Operation: 17+41=58, Resulting Numbers: [58] 58,17 unequal: No Solution Exploring Operation: 41-17=24, Resulting Numbers: [24] 24,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 17:[19, 43], Operations: ['42-23=19', '60-17=43'] Exploring Operation: 19*43=817, Resulting Numbers: [817] 817,17 unequal: No Solution Exploring Operation: 19+43=62, Resulting Numbers: [62] 62,17 unequal: No Solution Exploring Operation: 43-19=24, Resulting Numbers: [24] 24,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 17:[60, 2], Operations: ['42-23=19', '19-17=2'] Exploring Operation: 60-2=58, Resulting Numbers: [58] 58,17 unequal: No Solution Exploring Operation: 60/2=30, Resulting Numbers: [30] 30,17 unequal: No Solution Exploring Operation: 60*2=120, Resulting Numbers: [120] 120,17 unequal: No Solution Exploring Operation: 60+2=62, Resulting Numbers: [62] 62,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 17:[19, 77], Operations: ['42-23=19', '60+17=77'] Exploring Operation: 19+77=96, Resulting Numbers: [96] 96,17 unequal: No Solution Exploring Operation: 19*77=1463, Resulting Numbers: [1463] 1463,17 unequal: No Solution Exploring Operation: 77-19=58, Resulting Numbers: [58] 58,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 17:[17, 79], Operations: ['42-23=19', '60+19=79'] Exploring Operation: 17+79=96, Resulting Numbers: [96] 96,17 unequal: No Solution Exploring Operation: 17*79=1343, Resulting Numbers: [1343] 1343,17 unequal: No Solution Exploring Operation: 79-17=62, Resulting Numbers: [62] 62,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 17:[42, 17, 37], Operations: ['60-23=37'] Exploring Operation: 42-37=5, Resulting Numbers: [17, 5] Generated Node #0,1,0: 17:[17, 5] Operation: 42-37=5 Exploring Operation: 37-17=20, Resulting Numbers: [42, 20] Generated Node #0,1,1: 17:[42, 20] Operation: 37-17=20 Exploring Operation: 42-17=25, Resulting Numbers: [37, 25] Generated Node #0,1,2: 17:[37, 25] Operation: 42-17=25 Exploring Operation: 42+17=59, Resulting Numbers: [37, 59] Generated Node #0,1,3: 17:[37, 59] Operation: 42+17=59 Exploring Operation: 42+37=79, Resulting Numbers: [17, 79] Generated Node #0,1,4: 17:[17, 79] Operation: 42+37=79 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 17:[17, 5], Operations: ['60-23=37', '42-37=5'] Exploring Operation: 17-5=12, Resulting Numbers: [12] 12,17 unequal: No Solution Exploring Operation: 17+5=22, Resulting Numbers: [22] 22,17 unequal: No Solution Exploring Operation: 17*5=85, Resulting Numbers: [85] 85,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 17:[42, 20], Operations: ['60-23=37', '37-17=20'] Exploring Operation: 42*20=840, Resulting Numbers: [840] 840,17 unequal: No Solution Exploring Operation: 42-20=22, Resulting Numbers: [22] 22,17 unequal: No Solution Exploring Operation: 42+20=62, Resulting Numbers: [62] 62,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 17:[37, 25], Operations: ['60-23=37', '42-17=25'] Exploring Operation: 37-25=12, Resulting Numbers: [12] 12,17 unequal: No Solution Exploring Operation: 37+25=62, Resulting Numbers: [62] 62,17 unequal: No Solution Exploring Operation: 37*25=925, Resulting Numbers: [925] 925,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 17:[37, 59], Operations: ['60-23=37', '42+17=59'] Exploring Operation: 37+59=96, Resulting Numbers: [96] 96,17 unequal: No Solution Exploring Operation: 59-37=22, Resulting Numbers: [22] 22,17 unequal: No Solution Exploring Operation: 37*59=2183, Resulting Numbers: [2183] 2183,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 17:[17, 79], Operations: ['60-23=37', '42+37=79'] Exploring Operation: 17*79=1343, Resulting Numbers: [1343] 1343,17 unequal: No Solution Exploring Operation: 17+79=96, Resulting Numbers: [96] 96,17 unequal: No Solution Exploring Operation: 79-17=62, Resulting Numbers: [62] 62,17 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: 17:[60, 23, 25], Operations: ['42-17=25'] Exploring Operation: 25-23=2, Resulting Numbers: [60, 2] Generated Node #0,2,0: 17:[60, 2] Operation: 25-23=2 Exploring Operation: 60-25=35, Resulting Numbers: [23, 35] Generated Node #0,2,1: 17:[23, 35] Operation: 60-25=35 Exploring Operation: 60+23=83, Resulting Numbers: [25, 83] Generated Node #0,2,2: 17:[25, 83] Operation: 60+23=83 Exploring Operation: 60-23=37, Resulting Numbers: [25, 37] Generated Node #0,2,3: 17:[25, 37] Operation: 60-23=37 Exploring Operation: 60+25=85, Resulting Numbers: [23, 85] Generated Node #0,2,4: 17:[23, 85] Operation: 60+25=85 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 17:[23, 35], Operations: ['42-17=25', '60-25=35'] Exploring Operation: 23*35=805, Resulting Numbers: [805] 805,17 unequal: No Solution Exploring Operation: 35-23=12, Resulting Numbers: [12] 12,17 unequal: No Solution Exploring Operation: 23+35=58, Resulting Numbers: [58] 58,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 17:[25, 37], Operations: ['42-17=25', '60-23=37'] Exploring Operation: 25*37=925, Resulting Numbers: [925] 925,17 unequal: No Solution Exploring Operation: 25+37=62, Resulting Numbers: [62] 62,17 unequal: No Solution Exploring Operation: 37-25=12, Resulting Numbers: [12] 12,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 17:[60, 2], Operations: ['42-17=25', '25-23=2'] Exploring Operation: 60/2=30, Resulting Numbers: [30] 30,17 unequal: No Solution Exploring Operation: 60*2=120, Resulting Numbers: [120] 120,17 unequal: No Solution Exploring Operation: 60+2=62, Resulting Numbers: [62] 62,17 unequal: No Solution Exploring Operation: 60-2=58, Resulting Numbers: [58] 58,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 17:[25, 83], Operations: ['42-17=25', '60+23=83'] Exploring Operation: 83-25=58, Resulting Numbers: [58] 58,17 unequal: No Solution Exploring Operation: 25+83=108, Resulting Numbers: [108] 108,17 unequal: No Solution Exploring Operation: 25*83=2075, Resulting Numbers: [2075] 2075,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 17:[23, 85], Operations: ['42-17=25', '60+25=85'] Exploring Operation: 23*85=1955, Resulting Numbers: [1955] 1955,17 unequal: No Solution Exploring Operation: 23+85=108, Resulting Numbers: [108] 108,17 unequal: No Solution Exploring Operation: 85-23=62, Resulting Numbers: [62] 62,17 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: 17:[42, 23, 43], Operations: ['60-17=43'] Exploring Operation: 43-23=20, Resulting Numbers: [42, 20] Generated Node #0,3,0: 17:[42, 20] Operation: 43-23=20 Exploring Operation: 42+23=65, Resulting Numbers: [43, 65] Generated Node #0,3,1: 17:[43, 65] Operation: 42+23=65 Exploring Operation: 43-42=1, Resulting Numbers: [23, 1] Generated Node #0,3,2: 17:[23, 1] Operation: 43-42=1 Exploring Operation: 42-23=19, Resulting Numbers: [43, 19] Generated Node #0,3,3: 17:[43, 19] Operation: 42-23=19 Exploring Operation: 42+43=85, Resulting Numbers: [23, 85] Generated Node #0,3,4: 17:[23, 85] Operation: 42+43=85 Moving to Node #0,0,2 Current State: 17:[17, 5], Operations: ['60-42=18', '23-18=5'] Exploring Operation: 17*5=85, Resulting Numbers: [85] 85,17 unequal: No Solution Exploring Operation: 17-5=12, Resulting Numbers: [12] 12,17 unequal: No Solution Exploring Operation: 17+5=22, Resulting Numbers: [22] 22,17 unequal: No Solution Moving to Node #0,0,4 Current State: 17:[18, 6], Operations: ['60-42=18', '23-17=6'] Exploring Operation: 18-6=12, Resulting Numbers: [12] 12,17 unequal: No Solution Exploring Operation: 18/6=3, Resulting Numbers: [3] 3,17 unequal: No Solution Exploring Operation: 18+6=24, Resulting Numbers: [24] 24,17 unequal: No Solution Exploring Operation: 18*6=108, Resulting Numbers: [108] 108,17 unequal: No Solution Moving to Node #0,0,1 Current State: 17:[23, 1], Operations: ['60-42=18', '18-17=1'] Exploring Operation: 23+1=24, Resulting Numbers: [24] 24,17 unequal: No Solution Exploring Operation: 23*1=23, Resulting Numbers: [23] 23,17 unequal: No Solution Exploring Operation: 23/1=23, Resulting Numbers: [23] 23,17 unequal: No Solution Exploring Operation: 23-1=22, Resulting Numbers: [22] 22,17 unequal: No Solution Moving to Node #0,3,2 Current State: 17:[23, 1], Operations: ['60-17=43', '43-42=1'] Exploring Operation: 23-1=22, Resulting Numbers: [22] 22,17 unequal: No Solution Exploring Operation: 23/1=23, Resulting Numbers: [23] 23,17 unequal: No Solution Exploring Operation: 23*1=23, Resulting Numbers: [23] 23,17 unequal: No Solution Exploring Operation: 23+1=24, Resulting Numbers: [24] 24,17 unequal: No Solution Moving to Node #0,0,3 Current State: 17:[18, 40], Operations: ['60-42=18', '23+17=40'] Exploring Operation: 18*40=720, Resulting Numbers: [720] 720,17 unequal: No Solution Exploring Operation: 18+40=58, Resulting Numbers: [58] 58,17 unequal: No Solution Exploring Operation: 40-18=22, Resulting Numbers: [22] 22,17 unequal: No Solution Moving to Node #0,0,0 Current State: 17:[17, 41], Operations: ['60-42=18', '23+18=41'] Exploring Operation: 17+41=58, Resulting Numbers: [58] 58,17 unequal: No Solution Exploring Operation: 17*41=697, Resulting Numbers: [697] 697,17 unequal: No Solution Exploring Operation: 41-17=24, Resulting Numbers: [24] 24,17 unequal: No Solution Moving to Node #0,3,0 Current State: 17:[42, 20], Operations: ['60-17=43', '43-23=20'] Exploring Operation: 42+20=62, Resulting Numbers: [62] 62,17 unequal: No Solution Exploring Operation: 42*20=840, Resulting Numbers: [840] 840,17 unequal: No Solution Exploring Operation: 42-20=22, Resulting Numbers: [22] 22,17 unequal: No Solution Moving to Node #0,3,3 Current State: 17:[43, 19], Operations: ['60-17=43', '42-23=19'] Exploring Operation: 43*19=817, Resulting Numbers: [817] 817,17 unequal: No Solution Exploring Operation: 43+19=62, Resulting Numbers: [62] 62,17 unequal: No Solution Exploring Operation: 43-19=24, Resulting Numbers: [24] 24,17 unequal: No Solution Moving to Node #0,3,1 Current State: 17:[43, 65], Operations: ['60-17=43', '42+23=65'] Exploring Operation: 65-43=22, Resulting Numbers: [22] 22,17 unequal: No Solution Exploring Operation: 43+65=108, Resulting Numbers: [108] 108,17 unequal: No Solution Exploring Operation: 43*65=2795, Resulting Numbers: [2795] 2795,17 unequal: No Solution Moving to Node #0,3,4 Current State: 17:[23, 85], Operations: ['60-17=43', '42+43=85'] Exploring Operation: 85-23=62, Resulting Numbers: [62] 62,17 unequal: No Solution Exploring Operation: 23+85=108, Resulting Numbers: [108] 108,17 unequal: No Solution Exploring Operation: 23*85=1955, Resulting Numbers: [1955] 1955,17 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 90, 83, 35, 57 ]
86
[ "83+57=140", "140/35=4", "90-4=86" ]
Current State: 86:[90, 83, 35, 57], Operations: [] Exploring Operation: 83+57=140, Resulting Numbers: [90, 35, 140] Generated Node #2: [90, 35, 140] from Operation: 83+57=140 Current State: 86:[90, 35, 140], Operations: ['83+57=140'] Exploring Operation: 140/35=4, Resulting Numbers: [90, 4] Generated Node #3: [90, 4] from Operation: 140/35=4 Current State: 86:[90, 4], Operations: ['83+57=140', '140/35=4'] Exploring Operation: 90-4=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
4
Current State: 86:[90, 83, 35, 57], Operations: [] Exploring Operation: 90-83=7, Resulting Numbers: [35, 57, 7] Generated Node #0,0: 86:[35, 57, 7] Operation: 90-83=7 Exploring Operation: 35+57=92, Resulting Numbers: [90, 83, 92] Generated Node #0,1: 86:[90, 83, 92] Operation: 35+57=92 Exploring Operation: 90-57=33, Resulting Numbers: [83, 35, 33] Generated Node #0,2: 86:[83, 35, 33] Operation: 90-57=33 Exploring Operation: 57-35=22, Resulting Numbers: [90, 83, 22] Generated Node #0,3: 86:[90, 83, 22] Operation: 57-35=22 Exploring Operation: 83-35=48, Resulting Numbers: [90, 57, 48] Generated Node #0,4: 86:[90, 57, 48] Operation: 83-35=48 Moving to Node #0,1 Current State: 86:[90, 83, 92], Operations: ['35+57=92'] Exploring Operation: 90-83=7, Resulting Numbers: [92, 7] Generated Node #0,1,0: 86:[92, 7] Operation: 90-83=7 Exploring Operation: 90+83=173, Resulting Numbers: [92, 173] Generated Node #0,1,1: 86:[92, 173] Operation: 90+83=173 Exploring Operation: 92-83=9, Resulting Numbers: [90, 9] Generated Node #0,1,2: 86:[90, 9] Operation: 92-83=9 Exploring Operation: 92-90=2, Resulting Numbers: [83, 2] Generated Node #0,1,3: 86:[83, 2] Operation: 92-90=2 Exploring Operation: 83+92=175, Resulting Numbers: [90, 175] Generated Node #0,1,4: 86:[90, 175] Operation: 83+92=175 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 86:[83, 2], Operations: ['35+57=92', '92-90=2'] Exploring Operation: 83*2=166, Resulting Numbers: [166] 166,86 unequal: No Solution Exploring Operation: 83-2=81, Resulting Numbers: [81] 81,86 unequal: No Solution Exploring Operation: 83+2=85, Resulting Numbers: [85] 85,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 86:[92, 7], Operations: ['35+57=92', '90-83=7'] Exploring Operation: 92+7=99, Resulting Numbers: [99] 99,86 unequal: No Solution Exploring Operation: 92*7=644, Resulting Numbers: [644] 644,86 unequal: No Solution Exploring Operation: 92-7=85, Resulting Numbers: [85] 85,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 86:[90, 9], Operations: ['35+57=92', '92-83=9'] Exploring Operation: 90+9=99, Resulting Numbers: [99] 99,86 unequal: No Solution Exploring Operation: 90/9=10, Resulting Numbers: [10] 10,86 unequal: No Solution Exploring Operation: 90*9=810, Resulting Numbers: [810] 810,86 unequal: No Solution Exploring Operation: 90-9=81, Resulting Numbers: [81] 81,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 86:[92, 173], Operations: ['35+57=92', '90+83=173'] Exploring Operation: 173-92=81, Resulting Numbers: [81] 81,86 unequal: No Solution Exploring Operation: 92*173=15916, Resulting Numbers: [15916] 15916,86 unequal: No Solution Exploring Operation: 92+173=265, Resulting Numbers: [265] 265,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 86:[90, 175], Operations: ['35+57=92', '83+92=175'] Exploring Operation: 175-90=85, Resulting Numbers: [85] 85,86 unequal: No Solution Exploring Operation: 90*175=15750, Resulting Numbers: [15750] 15750,86 unequal: No Solution Exploring Operation: 90+175=265, Resulting Numbers: [265] 265,86 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: 86:[83, 35, 33], Operations: ['90-57=33'] Exploring Operation: 83-35=48, Resulting Numbers: [33, 48] Generated Node #0,2,0: 86:[33, 48] Operation: 83-35=48 Exploring Operation: 83-33=50, Resulting Numbers: [35, 50] Generated Node #0,2,1: 86:[35, 50] Operation: 83-33=50 Exploring Operation: 83+33=116, Resulting Numbers: [35, 116] Generated Node #0,2,2: 86:[35, 116] Operation: 83+33=116 Exploring Operation: 35-33=2, Resulting Numbers: [83, 2] Generated Node #0,2,3: 86:[83, 2] Operation: 35-33=2 Exploring Operation: 35+33=68, Resulting Numbers: [83, 68] Generated Node #0,2,4: 86:[83, 68] Operation: 35+33=68 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 86:[83, 2], Operations: ['90-57=33', '35-33=2'] Exploring Operation: 83-2=81, Resulting Numbers: [81] 81,86 unequal: No Solution Exploring Operation: 83+2=85, Resulting Numbers: [85] 85,86 unequal: No Solution Exploring Operation: 83*2=166, Resulting Numbers: [166] 166,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 86:[33, 48], Operations: ['90-57=33', '83-35=48'] Exploring Operation: 33*48=1584, Resulting Numbers: [1584] 1584,86 unequal: No Solution Exploring Operation: 33+48=81, Resulting Numbers: [81] 81,86 unequal: No Solution Exploring Operation: 48-33=15, Resulting Numbers: [15] 15,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 86:[35, 50], Operations: ['90-57=33', '83-33=50'] Exploring Operation: 35*50=1750, Resulting Numbers: [1750] 1750,86 unequal: No Solution Exploring Operation: 50-35=15, Resulting Numbers: [15] 15,86 unequal: No Solution Exploring Operation: 35+50=85, Resulting Numbers: [85] 85,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 86:[83, 68], Operations: ['90-57=33', '35+33=68'] Exploring Operation: 83-68=15, Resulting Numbers: [15] 15,86 unequal: No Solution Exploring Operation: 83*68=5644, Resulting Numbers: [5644] 5644,86 unequal: No Solution Exploring Operation: 83+68=151, Resulting Numbers: [151] 151,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 86:[35, 116], Operations: ['90-57=33', '83+33=116'] Exploring Operation: 116-35=81, Resulting Numbers: [81] 81,86 unequal: No Solution Exploring Operation: 35+116=151, Resulting Numbers: [151] 151,86 unequal: No Solution Exploring Operation: 35*116=4060, Resulting Numbers: [4060] 4060,86 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: 86:[90, 57, 48], Operations: ['83-35=48'] Exploring Operation: 57-48=9, Resulting Numbers: [90, 9] Generated Node #0,4,0: 86:[90, 9] Operation: 57-48=9 Exploring Operation: 90-48=42, Resulting Numbers: [57, 42] Generated Node #0,4,1: 86:[57, 42] Operation: 90-48=42 Exploring Operation: 90+57=147, Resulting Numbers: [48, 147] Generated Node #0,4,2: 86:[48, 147] Operation: 90+57=147 Exploring Operation: 90-57=33, Resulting Numbers: [48, 33] Generated Node #0,4,3: 86:[48, 33] Operation: 90-57=33 Exploring Operation: 57+48=105, Resulting Numbers: [90, 105] Generated Node #0,4,4: 86:[90, 105] Operation: 57+48=105 Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 86:[90, 9], Operations: ['83-35=48', '57-48=9'] Exploring Operation: 90/9=10, Resulting Numbers: [10] 10,86 unequal: No Solution Exploring Operation: 90*9=810, Resulting Numbers: [810] 810,86 unequal: No Solution Exploring Operation: 90+9=99, Resulting Numbers: [99] 99,86 unequal: No Solution Exploring Operation: 90-9=81, Resulting Numbers: [81] 81,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 86:[57, 42], Operations: ['83-35=48', '90-48=42'] Exploring Operation: 57-42=15, Resulting Numbers: [15] 15,86 unequal: No Solution Exploring Operation: 57*42=2394, Resulting Numbers: [2394] 2394,86 unequal: No Solution Exploring Operation: 57+42=99, Resulting Numbers: [99] 99,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 86:[48, 33], Operations: ['83-35=48', '90-57=33'] Exploring Operation: 48*33=1584, Resulting Numbers: [1584] 1584,86 unequal: No Solution Exploring Operation: 48+33=81, Resulting Numbers: [81] 81,86 unequal: No Solution Exploring Operation: 48-33=15, Resulting Numbers: [15] 15,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 86:[90, 105], Operations: ['83-35=48', '57+48=105'] Exploring Operation: 105-90=15, Resulting Numbers: [15] 15,86 unequal: No Solution Exploring Operation: 90*105=9450, Resulting Numbers: [9450] 9450,86 unequal: No Solution Exploring Operation: 90+105=195, Resulting Numbers: [195] 195,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 86:[48, 147], Operations: ['83-35=48', '90+57=147'] Exploring Operation: 48+147=195, Resulting Numbers: [195] 195,86 unequal: No Solution Exploring Operation: 48*147=7056, Resulting Numbers: [7056] 7056,86 unequal: No Solution Exploring Operation: 147-48=99, Resulting Numbers: [99] 99,86 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: 86:[35, 57, 7], Operations: ['90-83=7'] Exploring Operation: 35+7=42, Resulting Numbers: [57, 42] Generated Node #0,0,0: 86:[57, 42] Operation: 35+7=42 Exploring Operation: 35/7=5, Resulting Numbers: [57, 5] Generated Node #0,0,1: 86:[57, 5] Operation: 35/7=5 Exploring Operation: 35+57=92, Resulting Numbers: [7, 92] Generated Node #0,0,2: 86:[7, 92] Operation: 35+57=92 Exploring Operation: 57-7=50, Resulting Numbers: [35, 50] Generated Node #0,0,3: 86:[35, 50] Operation: 57-7=50 Exploring Operation: 57-35=22, Resulting Numbers: [7, 22] Generated Node #0,0,4: 86:[7, 22] Operation: 57-35=22 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 86:[7, 92], Operations: ['90-83=7', '35+57=92'] Exploring Operation: 7+92=99, Resulting Numbers: [99] 99,86 unequal: No Solution Exploring Operation: 92-7=85, Resulting Numbers: [85] 85,86 unequal: No Solution Exploring Operation: 7*92=644, Resulting Numbers: [644] 644,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 86:[57, 42], Operations: ['90-83=7', '35+7=42'] Exploring Operation: 57-42=15, Resulting Numbers: [15] 15,86 unequal: No Solution Exploring Operation: 57+42=99, Resulting Numbers: [99] 99,86 unequal: No Solution Exploring Operation: 57*42=2394, Resulting Numbers: [2394] 2394,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 86:[35, 50], Operations: ['90-83=7', '57-7=50'] Exploring Operation: 35*50=1750, Resulting Numbers: [1750] 1750,86 unequal: No Solution Exploring Operation: 35+50=85, Resulting Numbers: [85] 85,86 unequal: No Solution Exploring Operation: 50-35=15, Resulting Numbers: [15] 15,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 86:[57, 5], Operations: ['90-83=7', '35/7=5'] Exploring Operation: 57-5=52, Resulting Numbers: [52] 52,86 unequal: No Solution Exploring Operation: 57*5=285, Resulting Numbers: [285] 285,86 unequal: No Solution Exploring Operation: 57+5=62, Resulting Numbers: [62] 62,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 86:[7, 22], Operations: ['90-83=7', '57-35=22'] Exploring Operation: 7+22=29, Resulting Numbers: [29] 29,86 unequal: No Solution Exploring Operation: 22-7=15, Resulting Numbers: [15] 15,86 unequal: No Solution Exploring Operation: 7*22=154, Resulting Numbers: [154] 154,86 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: 86:[90, 83, 22], Operations: ['57-35=22'] Exploring Operation: 83-22=61, Resulting Numbers: [90, 61] Generated Node #0,3,0: 86:[90, 61] Operation: 83-22=61 Exploring Operation: 83+22=105, Resulting Numbers: [90, 105] Generated Node #0,3,1: 86:[90, 105] Operation: 83+22=105 Exploring Operation: 90-83=7, Resulting Numbers: [22, 7] Generated Node #0,3,2: 86:[22, 7] Operation: 90-83=7 Exploring Operation: 90+22=112, Resulting Numbers: [83, 112] Generated Node #0,3,3: 86:[83, 112] Operation: 90+22=112 Exploring Operation: 90-22=68, Resulting Numbers: [83, 68] Generated Node #0,3,4: 86:[83, 68] Operation: 90-22=68 Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 86:[83, 68], Operations: ['57-35=22', '90-22=68'] Exploring Operation: 83+68=151, Resulting Numbers: [151] 151,86 unequal: No Solution Exploring Operation: 83*68=5644, Resulting Numbers: [5644] 5644,86 unequal: No Solution Exploring Operation: 83-68=15, Resulting Numbers: [15] 15,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 86:[90, 61], Operations: ['57-35=22', '83-22=61'] Exploring Operation: 90*61=5490, Resulting Numbers: [5490] 5490,86 unequal: No Solution Exploring Operation: 90+61=151, Resulting Numbers: [151] 151,86 unequal: No Solution Exploring Operation: 90-61=29, Resulting Numbers: [29] 29,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 86:[90, 105], Operations: ['57-35=22', '83+22=105'] Exploring Operation: 105-90=15, Resulting Numbers: [15] 15,86 unequal: No Solution Exploring Operation: 90*105=9450, Resulting Numbers: [9450] 9450,86 unequal: No Solution Exploring Operation: 90+105=195, Resulting Numbers: [195] 195,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 86:[22, 7], Operations: ['57-35=22', '90-83=7'] Exploring Operation: 22-7=15, Resulting Numbers: [15] 15,86 unequal: No Solution Exploring Operation: 22*7=154, Resulting Numbers: [154] 154,86 unequal: No Solution Exploring Operation: 22+7=29, Resulting Numbers: [29] 29,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 86:[83, 112], Operations: ['57-35=22', '90+22=112'] Exploring Operation: 83*112=9296, Resulting Numbers: [9296] 9296,86 unequal: No Solution Exploring Operation: 112-83=29, Resulting Numbers: [29] 29,86 unequal: No Solution Exploring Operation: 83+112=195, Resulting Numbers: [195] 195,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
mult_heuristic
[ 66, 67, 70, 45 ]
25
[ "67-66=1", "70-45=25", "1*25=25" ]
Current State: 25:[66, 67, 70, 45], Operations: [] Exploring Operation: 67-66=1, Resulting Numbers: [70, 45, 1] Generated Node #2: [70, 45, 1] from Operation: 67-66=1 Current State: 25:[70, 45, 1], Operations: ['67-66=1'] Exploring Operation: 70-45=25, Resulting Numbers: [1, 25] Generated Node #3: [1, 25] from Operation: 70-45=25 Current State: 25:[1, 25], Operations: ['67-66=1', '70-45=25'] Exploring Operation: 1*25=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[66, 67, 70, 45], Operations: [] Exploring Operation: 70-67=3, Resulting Numbers: [66, 45, 3] Generated Node #0,0: 25:[66, 45, 3] Operation: 70-67=3 Exploring Operation: 70-66=4, Resulting Numbers: [67, 45, 4] Generated Node #0,1: 25:[67, 45, 4] Operation: 70-66=4 Moving to Node #0,0 Current State: 25:[66, 45, 3], Operations: ['70-67=3'] Exploring Operation: 66/3=22, Resulting Numbers: [45, 22] Generated Node #0,0,0: 25:[45, 22] Operation: 66/3=22 Exploring Operation: 66-45=21, Resulting Numbers: [3, 21] Generated Node #0,0,1: 25:[3, 21] Operation: 66-45=21 Moving to Node #0,1 Current State: 25:[67, 45, 4], Operations: ['70-66=4'] Exploring Operation: 67-45=22, Resulting Numbers: [4, 22] Generated Node #0,1,0: 25:[4, 22] Operation: 67-45=22 Exploring Operation: 67-4=63, Resulting Numbers: [45, 63] Generated Node #0,1,1: 25:[45, 63] Operation: 67-4=63 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 25:[4, 22], Operations: ['70-66=4', '67-45=22'] Exploring Operation: 22-4=18, Resulting Numbers: [18] 18,25 unequal: No Solution Exploring Operation: 4+22=26, Resulting Numbers: [26] 26,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 25:[45, 63], Operations: ['70-66=4', '67-4=63'] Exploring Operation: 45+63=108, Resulting Numbers: [108] 108,25 unequal: No Solution Exploring Operation: 63-45=18, Resulting Numbers: [18] 18,25 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: 25:[3, 21], Operations: ['70-67=3', '66-45=21'] Exploring Operation: 21/3=7, Resulting Numbers: [7] 7,25 unequal: No Solution Exploring Operation: 3+21=24, Resulting Numbers: [24] 24,25 unequal: No Solution Moving to Node #0,0,0 Current State: 25:[45, 22], Operations: ['70-67=3', '66/3=22'] Exploring Operation: 45-22=23, Resulting Numbers: [23] 23,25 unequal: No Solution Exploring Operation: 45+22=67, Resulting Numbers: [67] 67,25 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 36, 48, 96, 5 ]
79
[ "48-36=12", "96-5=91", "91-12=79" ]
Current State: 79:[36, 48, 96, 5], Operations: [] Exploring Operation: 48-36=12, Resulting Numbers: [96, 5, 12] Generated Node #2: [96, 5, 12] from Operation: 48-36=12 Current State: 79:[96, 5, 12], Operations: ['48-36=12'] Exploring Operation: 96-5=91, Resulting Numbers: [12, 91] Generated Node #3: [12, 91] from Operation: 96-5=91 Current State: 79:[12, 91], Operations: ['48-36=12', '96-5=91'] Exploring Operation: 91-12=79, Resulting Numbers: [79] 79,79 equal: Goal Reached
4
Current State: 79:[36, 48, 96, 5], Operations: [] Exploring Operation: 36+5=41, Resulting Numbers: [48, 96, 41] Generated Node #0,0: 79:[48, 96, 41] Operation: 36+5=41 Exploring Operation: 96-5=91, Resulting Numbers: [36, 48, 91] Generated Node #0,1: 79:[36, 48, 91] Operation: 96-5=91 Exploring Operation: 48+5=53, Resulting Numbers: [36, 96, 53] Generated Node #0,2: 79:[36, 96, 53] Operation: 48+5=53 Exploring Operation: 36-5=31, Resulting Numbers: [48, 96, 31] Generated Node #0,3: 79:[48, 96, 31] Operation: 36-5=31 Exploring Operation: 36+48=84, Resulting Numbers: [96, 5, 84] Generated Node #0,4: 79:[96, 5, 84] Operation: 36+48=84 Moving to Node #0,0 Current State: 79:[48, 96, 41], Operations: ['36+5=41'] Exploring Operation: 96-41=55, Resulting Numbers: [48, 55] Generated Node #0,0,0: 79:[48, 55] Operation: 96-41=55 Exploring Operation: 96+41=137, Resulting Numbers: [48, 137] Generated Node #0,0,1: 79:[48, 137] Operation: 96+41=137 Exploring Operation: 48+41=89, Resulting Numbers: [96, 89] Generated Node #0,0,2: 79:[96, 89] Operation: 48+41=89 Exploring Operation: 48-41=7, Resulting Numbers: [96, 7] Generated Node #0,0,3: 79:[96, 7] Operation: 48-41=7 Exploring Operation: 96-48=48, Resulting Numbers: [41, 48] Generated Node #0,0,4: 79:[41, 48] Operation: 96-48=48 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 79:[96, 89], Operations: ['36+5=41', '48+41=89'] Exploring Operation: 96*89=8544, Resulting Numbers: [8544] 8544,79 unequal: No Solution Exploring Operation: 96+89=185, Resulting Numbers: [185] 185,79 unequal: No Solution Exploring Operation: 96-89=7, Resulting Numbers: [7] 7,79 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 #0,0,0 Current State: 79:[48, 55], Operations: ['36+5=41', '96-41=55'] Exploring Operation: 55-48=7, Resulting Numbers: [7] 7,79 unequal: No Solution Exploring Operation: 48+55=103, Resulting Numbers: [103] 103,79 unequal: No Solution Exploring Operation: 48*55=2640, Resulting Numbers: [2640] 2640,79 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 #0,0,4 Current State: 79:[41, 48], Operations: ['36+5=41', '96-48=48'] Exploring Operation: 48-41=7, Resulting Numbers: [7] 7,79 unequal: No Solution Exploring Operation: 41+48=89, Resulting Numbers: [89] 89,79 unequal: No Solution Exploring Operation: 41*48=1968, Resulting Numbers: [1968] 1968,79 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 #0,0,1 Current State: 79:[48, 137], Operations: ['36+5=41', '96+41=137'] Exploring Operation: 48*137=6576, Resulting Numbers: [6576] 6576,79 unequal: No Solution Exploring Operation: 48+137=185, Resulting Numbers: [185] 185,79 unequal: No Solution Exploring Operation: 137-48=89, Resulting Numbers: [89] 89,79 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 #0,0,3 Current State: 79:[96, 7], Operations: ['36+5=41', '48-41=7'] Exploring Operation: 96+7=103, Resulting Numbers: [103] 103,79 unequal: No Solution Exploring Operation: 96*7=672, Resulting Numbers: [672] 672,79 unequal: No Solution Exploring Operation: 96-7=89, Resulting Numbers: [89] 89,79 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: 79:[36, 96, 53], Operations: ['48+5=53'] Exploring Operation: 96-36=60, Resulting Numbers: [53, 60] Generated Node #0,2,0: 79:[53, 60] Operation: 96-36=60 Exploring Operation: 36+96=132, Resulting Numbers: [53, 132] Generated Node #0,2,1: 79:[53, 132] Operation: 36+96=132 Exploring Operation: 96-53=43, Resulting Numbers: [36, 43] Generated Node #0,2,2: 79:[36, 43] Operation: 96-53=43 Exploring Operation: 53-36=17, Resulting Numbers: [96, 17] Generated Node #0,2,3: 79:[96, 17] Operation: 53-36=17 Exploring Operation: 36+53=89, Resulting Numbers: [96, 89] Generated Node #0,2,4: 79:[96, 89] Operation: 36+53=89 Moving to Node #0,1 Current State: 79:[36, 48, 91], Operations: ['96-5=91'] Exploring Operation: 48-36=12, Resulting Numbers: [91, 12] Generated Node #0,1,0: 79:[91, 12] Operation: 48-36=12 Exploring Operation: 36+48=84, Resulting Numbers: [91, 84] Generated Node #0,1,1: 79:[91, 84] Operation: 36+48=84 Exploring Operation: 36+91=127, Resulting Numbers: [48, 127] Generated Node #0,1,2: 79:[48, 127] Operation: 36+91=127 Exploring Operation: 91-48=43, Resulting Numbers: [36, 43] Generated Node #0,1,3: 79:[36, 43] Operation: 91-48=43 Exploring Operation: 91-36=55, Resulting Numbers: [48, 55] Generated Node #0,1,4: 79:[48, 55] Operation: 91-36=55 Moving to Node #0,3 Current State: 79:[48, 96, 31], Operations: ['36-5=31'] Exploring Operation: 48+31=79, Resulting Numbers: [96, 79] Generated Node #0,3,0: 79:[96, 79] Operation: 48+31=79 Exploring Operation: 96-31=65, Resulting Numbers: [48, 65] Generated Node #0,3,1: 79:[48, 65] Operation: 96-31=65 Exploring Operation: 96+31=127, Resulting Numbers: [48, 127] Generated Node #0,3,2: 79:[48, 127] Operation: 96+31=127 Exploring Operation: 48-31=17, Resulting Numbers: [96, 17] Generated Node #0,3,3: 79:[96, 17] Operation: 48-31=17 Exploring Operation: 96-48=48, Resulting Numbers: [31, 48] Generated Node #0,3,4: 79:[31, 48] Operation: 96-48=48 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 79:[96, 79], Operations: ['36-5=31', '48+31=79'] Exploring Operation: 96-79=17, Resulting Numbers: [17] 17,79 unequal: No Solution Exploring Operation: 96*79=7584, Resulting Numbers: [7584] 7584,79 unequal: No Solution Exploring Operation: 96+79=175, Resulting Numbers: [175] 175,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 79:[48, 65], Operations: ['36-5=31', '96-31=65'] Exploring Operation: 65-48=17, Resulting Numbers: [17] 17,79 unequal: No Solution Exploring Operation: 48*65=3120, Resulting Numbers: [3120] 3120,79 unequal: No Solution Exploring Operation: 48+65=113, Resulting Numbers: [113] 113,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 79:[48, 127], Operations: ['36-5=31', '96+31=127'] Exploring Operation: 48*127=6096, Resulting Numbers: [6096] 6096,79 unequal: No Solution Exploring Operation: 127-48=79, Resulting Numbers: [79] 79,79 equal: Goal Reached Moving to Node #0 Current State: 79:[36, 48, 96, 5], Operations: [] Exploring Operation: 36-5=31, Resulting Numbers: [48, 96, 31] Generated Node #0,3: 79:[48, 96, 31] Operation: 36-5=31 Moving to Node #0,3 Current State: 79:[48, 96, 31], Operations: ['36-5=31'] Exploring Operation: 96+31=127, Resulting Numbers: [48, 127] Generated Node #0,3,2: 79:[48, 127] Operation: 96+31=127 Moving to Node #0,3,2 Current State: 79:[48, 127], Operations: ['36-5=31', '96+31=127'] Exploring Operation: 127-48=79, Resulting Numbers: [79] 79,79 equal: Goal Reached Exit Sub Search at level 1
0.954861
hs_5
sum_heuristic
[ 94, 22, 15, 5 ]
28
[ "22*15=330", "330/5=66", "94-66=28" ]
Current State: 28:[94, 22, 15, 5], Operations: [] Exploring Operation: 22*15=330, Resulting Numbers: [94, 5, 330] Generated Node #2: [94, 5, 330] from Operation: 22*15=330 Current State: 28:[94, 5, 330], Operations: ['22*15=330'] Exploring Operation: 330/5=66, Resulting Numbers: [94, 66] Generated Node #3: [94, 66] from Operation: 330/5=66 Current State: 28:[94, 66], Operations: ['22*15=330', '330/5=66'] Exploring Operation: 94-66=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
4
Current State: 28:[94, 22, 15, 5], Operations: [] Exploring Operation: 22-15=7, Resulting Numbers: [94, 5, 7] Generated Node #0,0: 28:[94, 5, 7] Operation: 22-15=7 Exploring Operation: 22+5=27, Resulting Numbers: [94, 15, 27] Generated Node #0,1: 28:[94, 15, 27] Operation: 22+5=27 Exploring Operation: 94-15=79, Resulting Numbers: [22, 5, 79] Generated Node #0,2: 28:[22, 5, 79] Operation: 94-15=79 Exploring Operation: 94-22=72, Resulting Numbers: [15, 5, 72] Generated Node #0,3: 28:[15, 5, 72] Operation: 94-22=72 Exploring Operation: 94-5=89, Resulting Numbers: [22, 15, 89] Generated Node #0,4: 28:[22, 15, 89] Operation: 94-5=89 Start Sub Search at level 1: Moving to Node #0,3 Current State: 28:[15, 5, 72], Operations: ['94-22=72'] Exploring Operation: 15+5=20, Resulting Numbers: [72, 20] Generated Node #0,3,0: 28:[72, 20] Operation: 15+5=20 Exploring Operation: 15-5=10, Resulting Numbers: [72, 10] Generated Node #0,3,1: 28:[72, 10] Operation: 15-5=10 Exploring Operation: 15/5=3, Resulting Numbers: [72, 3] Generated Node #0,3,2: 28:[72, 3] Operation: 15/5=3 Exploring Operation: 72-5=67, Resulting Numbers: [15, 67] Generated Node #0,3,3: 28:[15, 67] Operation: 72-5=67 Exploring Operation: 72-15=57, Resulting Numbers: [5, 57] Generated Node #0,3,4: 28:[5, 57] Operation: 72-15=57 Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 28:[5, 57], Operations: ['94-22=72', '72-15=57'] Exploring Operation: 5*57=285, Resulting Numbers: [285] 285,28 unequal: No Solution Exploring Operation: 57-5=52, Resulting Numbers: [52] 52,28 unequal: No Solution Exploring Operation: 5+57=62, Resulting Numbers: [62] 62,28 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 28:[15, 67], Operations: ['94-22=72', '72-5=67'] Exploring Operation: 15+67=82, Resulting Numbers: [82] 82,28 unequal: No Solution Exploring Operation: 15*67=1005, Resulting Numbers: [1005] 1005,28 unequal: No Solution Exploring Operation: 67-15=52, Resulting Numbers: [52] 52,28 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 28:[72, 3], Operations: ['94-22=72', '15/5=3'] Exploring Operation: 72*3=216, Resulting Numbers: [216] 216,28 unequal: No Solution Exploring Operation: 72-3=69, Resulting Numbers: [69] 69,28 unequal: No Solution Exploring Operation: 72+3=75, Resulting Numbers: [75] 75,28 unequal: No Solution Exploring Operation: 72/3=24, Resulting Numbers: [24] 24,28 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 28:[72, 10], Operations: ['94-22=72', '15-5=10'] Exploring Operation: 72+10=82, Resulting Numbers: [82] 82,28 unequal: No Solution Exploring Operation: 72-10=62, Resulting Numbers: [62] 62,28 unequal: No Solution Exploring Operation: 72*10=720, Resulting Numbers: [720] 720,28 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 28:[72, 20], Operations: ['94-22=72', '15+5=20'] Exploring Operation: 72*20=1440, Resulting Numbers: [1440] 1440,28 unequal: No Solution Exploring Operation: 72+20=92, Resulting Numbers: [92] 92,28 unequal: No Solution Exploring Operation: 72-20=52, Resulting Numbers: [52] 52,28 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 28:[22, 5, 79], Operations: ['94-15=79'] Exploring Operation: 5+79=84, Resulting Numbers: [22, 84] Generated Node #0,2,0: 28:[22, 84] Operation: 5+79=84 Exploring Operation: 22+5=27, Resulting Numbers: [79, 27] Generated Node #0,2,1: 28:[79, 27] Operation: 22+5=27 Exploring Operation: 79-5=74, Resulting Numbers: [22, 74] Generated Node #0,2,2: 28:[22, 74] Operation: 79-5=74 Exploring Operation: 22-5=17, Resulting Numbers: [79, 17] Generated Node #0,2,3: 28:[79, 17] Operation: 22-5=17 Exploring Operation: 79-22=57, Resulting Numbers: [5, 57] Generated Node #0,2,4: 28:[5, 57] Operation: 79-22=57 Moving to Node #0,2,4 Current State: 28:[5, 57], Operations: ['94-15=79', '79-22=57'] Exploring Operation: 57-5=52, Resulting Numbers: [52] 52,28 unequal: No Solution Exploring Operation: 5+57=62, Resulting Numbers: [62] 62,28 unequal: No Solution Exploring Operation: 5*57=285, Resulting Numbers: [285] 285,28 unequal: No Solution Moving to Node #0,2,2 Current State: 28:[22, 74], Operations: ['94-15=79', '79-5=74'] Exploring Operation: 22*74=1628, Resulting Numbers: [1628] 1628,28 unequal: No Solution Exploring Operation: 74-22=52, Resulting Numbers: [52] 52,28 unequal: No Solution Exploring Operation: 22+74=96, Resulting Numbers: [96] 96,28 unequal: No Solution Moving to Node #0,2,1 Current State: 28:[79, 27], Operations: ['94-15=79', '22+5=27'] Exploring Operation: 79+27=106, Resulting Numbers: [106] 106,28 unequal: No Solution Exploring Operation: 79-27=52, Resulting Numbers: [52] 52,28 unequal: No Solution Exploring Operation: 79*27=2133, Resulting Numbers: [2133] 2133,28 unequal: No Solution Moving to Node #0,2,3 Current State: 28:[79, 17], Operations: ['94-15=79', '22-5=17'] Exploring Operation: 79*17=1343, Resulting Numbers: [1343] 1343,28 unequal: No Solution Exploring Operation: 79+17=96, Resulting Numbers: [96] 96,28 unequal: No Solution Exploring Operation: 79-17=62, Resulting Numbers: [62] 62,28 unequal: No Solution Moving to Node #0,2,0 Current State: 28:[22, 84], Operations: ['94-15=79', '5+79=84'] Exploring Operation: 84-22=62, Resulting Numbers: [62] 62,28 unequal: No Solution Exploring Operation: 22*84=1848, Resulting Numbers: [1848] 1848,28 unequal: No Solution Exploring Operation: 22+84=106, Resulting Numbers: [106] 106,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 28:[94, 5, 7], Operations: ['22-15=7'] Exploring Operation: 94-5=89, Resulting Numbers: [7, 89] Generated Node #0,0,0: 28:[7, 89] Operation: 94-5=89 Exploring Operation: 94-7=87, Resulting Numbers: [5, 87] Generated Node #0,0,1: 28:[5, 87] Operation: 94-7=87 Exploring Operation: 7-5=2, Resulting Numbers: [94, 2] Generated Node #0,0,2: 28:[94, 2] Operation: 7-5=2 Exploring Operation: 94+5=99, Resulting Numbers: [7, 99] Generated Node #0,0,3: 28:[7, 99] Operation: 94+5=99 Exploring Operation: 5+7=12, Resulting Numbers: [94, 12] Generated Node #0,0,4: 28:[94, 12] Operation: 5+7=12 Moving to Node #0,0,1 Current State: 28:[5, 87], Operations: ['22-15=7', '94-7=87'] Exploring Operation: 87-5=82, Resulting Numbers: [82] 82,28 unequal: No Solution Exploring Operation: 5*87=435, Resulting Numbers: [435] 435,28 unequal: No Solution Exploring Operation: 5+87=92, Resulting Numbers: [92] 92,28 unequal: No Solution Moving to Node #0,0,0 Current State: 28:[7, 89], Operations: ['22-15=7', '94-5=89'] Exploring Operation: 7*89=623, Resulting Numbers: [623] 623,28 unequal: No Solution Exploring Operation: 7+89=96, Resulting Numbers: [96] 96,28 unequal: No Solution Exploring Operation: 89-7=82, Resulting Numbers: [82] 82,28 unequal: No Solution Moving to Node #0,0,2 Current State: 28:[94, 2], Operations: ['22-15=7', '7-5=2'] Exploring Operation: 94+2=96, Resulting Numbers: [96] 96,28 unequal: No Solution Exploring Operation: 94*2=188, Resulting Numbers: [188] 188,28 unequal: No Solution Exploring Operation: 94-2=92, Resulting Numbers: [92] 92,28 unequal: No Solution Exploring Operation: 94/2=47, Resulting Numbers: [47] 47,28 unequal: No Solution Moving to Node #0,0,4 Current State: 28:[94, 12], Operations: ['22-15=7', '5+7=12'] Exploring Operation: 94-12=82, Resulting Numbers: [82] 82,28 unequal: No Solution Exploring Operation: 94+12=106, Resulting Numbers: [106] 106,28 unequal: No Solution Exploring Operation: 94*12=1128, Resulting Numbers: [1128] 1128,28 unequal: No Solution Moving to Node #0,0,3 Current State: 28:[7, 99], Operations: ['22-15=7', '94+5=99'] Exploring Operation: 7*99=693, Resulting Numbers: [693] 693,28 unequal: No Solution Exploring Operation: 99-7=92, Resulting Numbers: [92] 92,28 unequal: No Solution Exploring Operation: 7+99=106, Resulting Numbers: [106] 106,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 28:[94, 15, 27], Operations: ['22+5=27'] Exploring Operation: 94+15=109, Resulting Numbers: [27, 109] Generated Node #0,1,0: 28:[27, 109] Operation: 94+15=109 Exploring Operation: 94-15=79, Resulting Numbers: [27, 79] Generated Node #0,1,1: 28:[27, 79] Operation: 94-15=79 Exploring Operation: 27-15=12, Resulting Numbers: [94, 12] Generated Node #0,1,2: 28:[94, 12] Operation: 27-15=12 Exploring Operation: 94-27=67, Resulting Numbers: [15, 67] Generated Node #0,1,3: 28:[15, 67] Operation: 94-27=67 Exploring Operation: 15+27=42, Resulting Numbers: [94, 42] Generated Node #0,1,4: 28:[94, 42] Operation: 15+27=42 Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 28:[15, 67], Operations: ['22+5=27', '94-27=67'] Exploring Operation: 67-15=52, Resulting Numbers: [52] 52,28 unequal: No Solution Exploring Operation: 15*67=1005, Resulting Numbers: [1005] 1005,28 unequal: No Solution Exploring Operation: 15+67=82, Resulting Numbers: [82] 82,28 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 28:[27, 79], Operations: ['22+5=27', '94-15=79'] Exploring Operation: 27+79=106, Resulting Numbers: [106] 106,28 unequal: No Solution Exploring Operation: 27*79=2133, Resulting Numbers: [2133] 2133,28 unequal: No Solution Exploring Operation: 79-27=52, Resulting Numbers: [52] 52,28 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 28:[94, 12], Operations: ['22+5=27', '27-15=12'] Exploring Operation: 94-12=82, Resulting Numbers: [82] 82,28 unequal: No Solution Exploring Operation: 94*12=1128, Resulting Numbers: [1128] 1128,28 unequal: No Solution Exploring Operation: 94+12=106, Resulting Numbers: [106] 106,28 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 28:[94, 42], Operations: ['22+5=27', '15+27=42'] Exploring Operation: 94*42=3948, Resulting Numbers: [3948] 3948,28 unequal: No Solution Exploring Operation: 94+42=136, Resulting Numbers: [136] 136,28 unequal: No Solution Exploring Operation: 94-42=52, Resulting Numbers: [52] 52,28 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 28:[27, 109], Operations: ['22+5=27', '94+15=109'] Exploring Operation: 27*109=2943, Resulting Numbers: [2943] 2943,28 unequal: No Solution Exploring Operation: 109-27=82, Resulting Numbers: [82] 82,28 unequal: No Solution Exploring Operation: 27+109=136, Resulting Numbers: [136] 136,28 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 28:[22, 15, 89], Operations: ['94-5=89'] Exploring Operation: 22-15=7, Resulting Numbers: [89, 7] Generated Node #0,4,0: 28:[89, 7] Operation: 22-15=7 Exploring Operation: 89-22=67, Resulting Numbers: [15, 67] Generated Node #0,4,1: 28:[15, 67] Operation: 89-22=67 Exploring Operation: 89-15=74, Resulting Numbers: [22, 74] Generated Node #0,4,2: 28:[22, 74] Operation: 89-15=74 Exploring Operation: 22+15=37, Resulting Numbers: [89, 37] Generated Node #0,4,3: 28:[89, 37] Operation: 22+15=37 Exploring Operation: 15+89=104, Resulting Numbers: [22, 104] Generated Node #0,4,4: 28:[22, 104] Operation: 15+89=104 Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 28:[15, 67], Operations: ['94-5=89', '89-22=67'] Exploring Operation: 67-15=52, Resulting Numbers: [52] 52,28 unequal: No Solution Exploring Operation: 15*67=1005, Resulting Numbers: [1005] 1005,28 unequal: No Solution Exploring Operation: 15+67=82, Resulting Numbers: [82] 82,28 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 28:[22, 74], Operations: ['94-5=89', '89-15=74'] Exploring Operation: 74-22=52, Resulting Numbers: [52] 52,28 unequal: No Solution Exploring Operation: 22*74=1628, Resulting Numbers: [1628] 1628,28 unequal: No Solution Exploring Operation: 22+74=96, Resulting Numbers: [96] 96,28 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 28:[89, 7], Operations: ['94-5=89', '22-15=7'] Exploring Operation: 89+7=96, Resulting Numbers: [96] 96,28 unequal: No Solution Exploring Operation: 89-7=82, Resulting Numbers: [82] 82,28 unequal: No Solution Exploring Operation: 89*7=623, Resulting Numbers: [623] 623,28 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 28:[89, 37], Operations: ['94-5=89', '22+15=37'] Exploring Operation: 89-37=52, Resulting Numbers: [52] 52,28 unequal: No Solution Exploring Operation: 89*37=3293, Resulting Numbers: [3293] 3293,28 unequal: No Solution Exploring Operation: 89+37=126, Resulting Numbers: [126] 126,28 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 28:[22, 104], Operations: ['94-5=89', '15+89=104'] Exploring Operation: 22+104=126, Resulting Numbers: [126] 126,28 unequal: No Solution Exploring Operation: 22*104=2288, Resulting Numbers: [2288] 2288,28 unequal: No Solution Exploring Operation: 104-22=82, Resulting Numbers: [82] 82,28 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
mult_heuristic
[ 95, 45, 96, 47 ]
47
[ "95-47=48", "96/48=2", "45+2=47" ]
Current State: 47:[95, 45, 96, 47], Operations: [] Exploring Operation: 95-47=48, Resulting Numbers: [45, 96, 48] Generated Node #2: [45, 96, 48] from Operation: 95-47=48 Current State: 47:[45, 96, 48], Operations: ['95-47=48'] Exploring Operation: 96/48=2, Resulting Numbers: [45, 2] Generated Node #3: [45, 2] from Operation: 96/48=2 Current State: 47:[45, 2], Operations: ['95-47=48', '96/48=2'] Exploring Operation: 45+2=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[95, 45, 96, 47], Operations: [] Exploring Operation: 96-95=1, Resulting Numbers: [45, 47, 1] Generated Node #0,0: 47:[45, 47, 1] Operation: 96-95=1 Start Sub Search at level 1: Moving to Node #0,0 Current State: 47:[45, 47, 1], Operations: ['96-95=1'] Exploring Operation: 45+1=46, Resulting Numbers: [47, 46] Generated Node #0,0,0: 47:[47, 46] Operation: 45+1=46 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 47:[47, 46], Operations: ['96-95=1', '45+1=46'] Exploring Operation: 47+46=93, Resulting Numbers: [93] 93,47 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 78, 10, 9, 22 ]
75
[ "78+10=88", "22-9=13", "88-13=75" ]
Current State: 75:[78, 10, 9, 22], Operations: [] Exploring Operation: 78+10=88, Resulting Numbers: [9, 22, 88] Generated Node #2: [9, 22, 88] from Operation: 78+10=88 Current State: 75:[9, 22, 88], Operations: ['78+10=88'] Exploring Operation: 22-9=13, Resulting Numbers: [88, 13] Generated Node #3: [88, 13] from Operation: 22-9=13 Current State: 75:[88, 13], Operations: ['78+10=88', '22-9=13'] Exploring Operation: 88-13=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
4
Current State: 75:[78, 10, 9, 22], Operations: [] Exploring Operation: 10-9=1, Resulting Numbers: [78, 22, 1] Generated Node #0,0: 75:[78, 22, 1] Operation: 10-9=1 Exploring Operation: 10+9=19, Resulting Numbers: [78, 22, 19] Generated Node #0,1: 75:[78, 22, 19] Operation: 10+9=19 Exploring Operation: 22-9=13, Resulting Numbers: [78, 10, 13] Generated Node #0,2: 75:[78, 10, 13] Operation: 22-9=13 Exploring Operation: 22-10=12, Resulting Numbers: [78, 9, 12] Generated Node #0,3: 75:[78, 9, 12] Operation: 22-10=12 Moving to Node #0,0 Current State: 75:[78, 22, 1], Operations: ['10-9=1'] Exploring Operation: 22+1=23, Resulting Numbers: [78, 23] Generated Node #0,0,0: 75:[78, 23] Operation: 22+1=23 Exploring Operation: 78*1=78, Resulting Numbers: [22, 78] Generated Node #0,0,1: 75:[22, 78] Operation: 78*1=78 Exploring Operation: 78/1=78, Resulting Numbers: [22, 78] Generated Node #0,0,2: 75:[22, 78] Operation: 78/1=78 Exploring Operation: 78-1=77, Resulting Numbers: [22, 77] Generated Node #0,0,3: 75:[22, 77] Operation: 78-1=77 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 75:[78, 23], Operations: ['10-9=1', '22+1=23'] Exploring Operation: 78+23=101, Resulting Numbers: [101] 101,75 unequal: No Solution Exploring Operation: 78*23=1794, Resulting Numbers: [1794] 1794,75 unequal: No Solution Exploring Operation: 78-23=55, Resulting Numbers: [55] 55,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 75:[22, 77], Operations: ['10-9=1', '78-1=77'] Exploring Operation: 22*77=1694, Resulting Numbers: [1694] 1694,75 unequal: No Solution Exploring Operation: 77-22=55, Resulting Numbers: [55] 55,75 unequal: No Solution Exploring Operation: 22+77=99, Resulting Numbers: [99] 99,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 75:[22, 78], Operations: ['10-9=1', '78*1=78'] Exploring Operation: 78-22=56, Resulting Numbers: [56] 56,75 unequal: No Solution Exploring Operation: 22+78=100, Resulting Numbers: [100] 100,75 unequal: No Solution Exploring Operation: 22*78=1716, Resulting Numbers: [1716] 1716,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 75:[22, 78], Operations: ['10-9=1', '78/1=78'] Exploring Operation: 78-22=56, Resulting Numbers: [56] 56,75 unequal: No Solution Exploring Operation: 22+78=100, Resulting Numbers: [100] 100,75 unequal: No Solution Exploring Operation: 22*78=1716, Resulting Numbers: [1716] 1716,75 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: 75:[78, 10, 13], Operations: ['22-9=13'] Exploring Operation: 78-10=68, Resulting Numbers: [13, 68] Generated Node #0,2,0: 75:[13, 68] Operation: 78-10=68 Exploring Operation: 10+13=23, Resulting Numbers: [78, 23] Generated Node #0,2,1: 75:[78, 23] Operation: 10+13=23 Exploring Operation: 78/13=6, Resulting Numbers: [10, 6] Generated Node #0,2,2: 75:[10, 6] Operation: 78/13=6 Exploring Operation: 13-10=3, Resulting Numbers: [78, 3] Generated Node #0,2,3: 75:[78, 3] Operation: 13-10=3 Moving to Node #0,1 Current State: 75:[78, 22, 19], Operations: ['10+9=19'] Exploring Operation: 78-22=56, Resulting Numbers: [19, 56] Generated Node #0,1,0: 75:[19, 56] Operation: 78-22=56 Exploring Operation: 78-19=59, Resulting Numbers: [22, 59] Generated Node #0,1,1: 75:[22, 59] Operation: 78-19=59 Exploring Operation: 22-19=3, Resulting Numbers: [78, 3] Generated Node #0,1,2: 75:[78, 3] Operation: 22-19=3 Exploring Operation: 22+19=41, Resulting Numbers: [78, 41] Generated Node #0,1,3: 75:[78, 41] Operation: 22+19=41 Moving to Node #0,3 Current State: 75:[78, 9, 12], Operations: ['22-10=12'] Exploring Operation: 9+12=21, Resulting Numbers: [78, 21] Generated Node #0,3,0: 75:[78, 21] Operation: 9+12=21 Exploring Operation: 78-9=69, Resulting Numbers: [12, 69] Generated Node #0,3,1: 75:[12, 69] Operation: 78-9=69 Exploring Operation: 78-12=66, Resulting Numbers: [9, 66] Generated Node #0,3,2: 75:[9, 66] Operation: 78-12=66 Exploring Operation: 12-9=3, Resulting Numbers: [78, 3] Generated Node #0,3,3: 75:[78, 3] Operation: 12-9=3 Moving to Node #0,2,3 Current State: 75:[78, 3], Operations: ['22-9=13', '13-10=3'] Exploring Operation: 78-3=75, Resulting Numbers: [75] 75,75 equal: Goal Reached Moving to Node #0 Current State: 75:[78, 10, 9, 22], Operations: [] Exploring Operation: 22-9=13, Resulting Numbers: [78, 10, 13] Generated Node #0,2: 75:[78, 10, 13] Operation: 22-9=13 Moving to Node #0,2 Current State: 75:[78, 10, 13], Operations: ['22-9=13'] Exploring Operation: 13-10=3, Resulting Numbers: [78, 3] Generated Node #0,2,3: 75:[78, 3] Operation: 13-10=3 Moving to Node #0,2,3 Current State: 75:[78, 3], Operations: ['22-9=13', '13-10=3'] Exploring Operation: 78-3=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
0.967882
hs_4
sum_heuristic
[ 63, 37, 84, 15 ]
73
[ "63-37=26", "84+15=99", "99-26=73" ]
Current State: 73:[63, 37, 84, 15], Operations: [] Exploring Operation: 63-37=26, Resulting Numbers: [84, 15, 26] Generated Node #2: [84, 15, 26] from Operation: 63-37=26 Current State: 73:[84, 15, 26], Operations: ['63-37=26'] Exploring Operation: 84+15=99, Resulting Numbers: [26, 99] Generated Node #3: [26, 99] from Operation: 84+15=99 Current State: 73:[26, 99], Operations: ['63-37=26', '84+15=99'] Exploring Operation: 99-26=73, Resulting Numbers: [73] 73,73 equal: Goal Reached
4
Current State: 73:[63, 37, 84, 15], Operations: [] Exploring Operation: 37-15=22, Resulting Numbers: [63, 84, 22] Generated Node #0,0: 73:[63, 84, 22] Operation: 37-15=22 Exploring Operation: 63-15=48, Resulting Numbers: [37, 84, 48] Generated Node #0,1: 73:[37, 84, 48] Operation: 63-15=48 Exploring Operation: 37+15=52, Resulting Numbers: [63, 84, 52] Generated Node #0,2: 73:[63, 84, 52] Operation: 37+15=52 Exploring Operation: 63+15=78, Resulting Numbers: [37, 84, 78] Generated Node #0,3: 73:[37, 84, 78] Operation: 63+15=78 Exploring Operation: 84-15=69, Resulting Numbers: [63, 37, 69] Generated Node #0,4: 73:[63, 37, 69] Operation: 84-15=69 Start Sub Search at level 1: Moving to Node #0,2 Current State: 73:[63, 84, 52], Operations: ['37+15=52'] Exploring Operation: 63+52=115, Resulting Numbers: [84, 115] Generated Node #0,2,0: 73:[84, 115] Operation: 63+52=115 Exploring Operation: 63-52=11, Resulting Numbers: [84, 11] Generated Node #0,2,1: 73:[84, 11] Operation: 63-52=11 Exploring Operation: 84+52=136, Resulting Numbers: [63, 136] Generated Node #0,2,2: 73:[63, 136] Operation: 84+52=136 Exploring Operation: 84-52=32, Resulting Numbers: [63, 32] Generated Node #0,2,3: 73:[63, 32] Operation: 84-52=32 Exploring Operation: 84-63=21, Resulting Numbers: [52, 21] Generated Node #0,2,4: 73:[52, 21] Operation: 84-63=21 Moving to Node #0,2,3 Current State: 73:[63, 32], Operations: ['37+15=52', '84-52=32'] Exploring Operation: 63-32=31, Resulting Numbers: [31] 31,73 unequal: No Solution Exploring Operation: 63+32=95, Resulting Numbers: [95] 95,73 unequal: No Solution Exploring Operation: 63*32=2016, Resulting Numbers: [2016] 2016,73 unequal: No Solution Moving to Node #0,2,0 Current State: 73:[84, 115], Operations: ['37+15=52', '63+52=115'] Exploring Operation: 84*115=9660, Resulting Numbers: [9660] 9660,73 unequal: No Solution Exploring Operation: 84+115=199, Resulting Numbers: [199] 199,73 unequal: No Solution Exploring Operation: 115-84=31, Resulting Numbers: [31] 31,73 unequal: No Solution Moving to Node #0,2,1 Current State: 73:[84, 11], Operations: ['37+15=52', '63-52=11'] Exploring Operation: 84+11=95, Resulting Numbers: [95] 95,73 unequal: No Solution Exploring Operation: 84-11=73, Resulting Numbers: [73] 73,73 equal: Goal Reached Moving to Node #0 Current State: 73:[63, 37, 84, 15], Operations: [] Exploring Operation: 37+15=52, Resulting Numbers: [63, 84, 52] Generated Node #0,2: 73:[63, 84, 52] Operation: 37+15=52 Moving to Node #0,2 Current State: 73:[63, 84, 52], Operations: ['37+15=52'] Exploring Operation: 63-52=11, Resulting Numbers: [84, 11] Generated Node #0,2,1: 73:[84, 11] Operation: 63-52=11 Moving to Node #0,2,1 Current State: 73:[84, 11], Operations: ['37+15=52', '63-52=11'] Exploring Operation: 84-11=73, Resulting Numbers: [73] 73,73 equal: Goal Reached Exit Sub Search at level 1
0.980903
hs_5
mult_heuristic
[ 48, 1, 25, 22 ]
16
[ "48*1=48", "25-22=3", "48/3=16" ]
Current State: 16:[48, 1, 25, 22], Operations: [] Exploring Operation: 48*1=48, Resulting Numbers: [25, 22, 48] Generated Node #2: [25, 22, 48] from Operation: 48*1=48 Current State: 16:[25, 22, 48], Operations: ['48*1=48'] Exploring Operation: 25-22=3, Resulting Numbers: [48, 3] Generated Node #3: [48, 3] from Operation: 25-22=3 Current State: 16:[48, 3], Operations: ['48*1=48', '25-22=3'] Exploring Operation: 48/3=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[48, 1, 25, 22], Operations: [] Exploring Operation: 25-22=3, Resulting Numbers: [48, 1, 3] Generated Node #0,0: 16:[48, 1, 3] Operation: 25-22=3 Exploring Operation: 48-22=26, Resulting Numbers: [1, 25, 26] Generated Node #0,1: 16:[1, 25, 26] Operation: 48-22=26 Exploring Operation: 48-25=23, Resulting Numbers: [1, 22, 23] Generated Node #0,2: 16:[1, 22, 23] Operation: 48-25=23 Moving to Node #0,2 Current State: 16:[1, 22, 23], Operations: ['48-25=23'] Exploring Operation: 23-22=1, Resulting Numbers: [1, 1] Generated Node #0,2,0: 16:[1, 1] Operation: 23-22=1 Exploring Operation: 23-1=22, Resulting Numbers: [22, 22] Generated Node #0,2,1: 16:[22, 22] Operation: 23-1=22 Exploring Operation: 22-1=21, Resulting Numbers: [23, 21] Generated Node #0,2,2: 16:[23, 21] Operation: 22-1=21 Moving to Node #0,1 Current State: 16:[1, 25, 26], Operations: ['48-22=26'] Exploring Operation: 26-25=1, Resulting Numbers: [1, 1] Generated Node #0,1,0: 16:[1, 1] Operation: 26-25=1 Exploring Operation: 25-1=24, Resulting Numbers: [26, 24] Generated Node #0,1,1: 16:[26, 24] Operation: 25-1=24 Exploring Operation: 26-1=25, Resulting Numbers: [25, 25] Generated Node #0,1,2: 16:[25, 25] Operation: 26-1=25 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 16:[1, 1], Operations: ['48-22=26', '26-25=1'] Exploring Operation: 1/1=1, Resulting Numbers: [1] 1,16 unequal: No Solution Exploring Operation: 1+1=2, Resulting Numbers: [2] 2,16 unequal: No Solution Exploring Operation: 1*1=1, Resulting Numbers: [1] 1,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 16:[26, 24], Operations: ['48-22=26', '25-1=24'] Exploring Operation: 26*24=624, Resulting Numbers: [624] 624,16 unequal: No Solution Exploring Operation: 26+24=50, Resulting Numbers: [50] 50,16 unequal: No Solution Exploring Operation: 26-24=2, Resulting Numbers: [2] 2,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 16:[25, 25], Operations: ['48-22=26', '26-1=25'] Exploring Operation: 25/25=1, Resulting Numbers: [1] 1,16 unequal: No Solution Exploring Operation: 25-25=0, Resulting Numbers: [0] 0,16 unequal: No Solution Exploring Operation: 25+25=50, Resulting Numbers: [50] 50,16 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: 16:[48, 1, 3], Operations: ['25-22=3'] Exploring Operation: 48-3=45, Resulting Numbers: [1, 45] Generated Node #0,0,0: 16:[1, 45] Operation: 48-3=45 Exploring Operation: 48/3=16, Resulting Numbers: [1, 16] Generated Node #0,0,1: 16:[1, 16] Operation: 48/3=16 Exploring Operation: 48-1=47, Resulting Numbers: [3, 47] Generated Node #0,0,2: 16:[3, 47] Operation: 48-1=47 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 16:[1, 16], Operations: ['25-22=3', '48/3=16'] Exploring Operation: 1*16=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Moving to Node #0 Current State: 16:[48, 1, 25, 22], Operations: [] Exploring Operation: 25-22=3, Resulting Numbers: [48, 1, 3] Generated Node #0,0: 16:[48, 1, 3] Operation: 25-22=3 Moving to Node #0,0 Current State: 16:[48, 1, 3], Operations: ['25-22=3'] Exploring Operation: 48/3=16, Resulting Numbers: [1, 16] Generated Node #0,0,1: 16:[1, 16] Operation: 48/3=16 Moving to Node #0,0,1 Current State: 16:[1, 16], Operations: ['25-22=3', '48/3=16'] Exploring Operation: 1*16=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Exit Sub Search at level 1
0.977431
hs_3
sum_heuristic
[ 3, 72, 17, 12 ]
81
[ "12-3=9", "17*9=153", "153-72=81" ]
Current State: 81:[3, 72, 17, 12], Operations: [] Exploring Operation: 12-3=9, Resulting Numbers: [72, 17, 9] Generated Node #2: [72, 17, 9] from Operation: 12-3=9 Current State: 81:[72, 17, 9], Operations: ['12-3=9'] Exploring Operation: 17*9=153, Resulting Numbers: [72, 153] Generated Node #3: [72, 153] from Operation: 17*9=153 Current State: 81:[72, 153], Operations: ['12-3=9', '17*9=153'] Exploring Operation: 153-72=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[3, 72, 17, 12], Operations: [] Exploring Operation: 72+17=89, Resulting Numbers: [3, 12, 89] Generated Node #0,0: 81:[3, 12, 89] Operation: 72+17=89 Exploring Operation: 72+12=84, Resulting Numbers: [3, 17, 84] Generated Node #0,1: 81:[3, 17, 84] Operation: 72+12=84 Exploring Operation: 72/12=6, Resulting Numbers: [3, 17, 6] Generated Node #0,2: 81:[3, 17, 6] Operation: 72/12=6 Moving to Node #0,0 Current State: 81:[3, 12, 89], Operations: ['72+17=89'] Exploring Operation: 89-3=86, Resulting Numbers: [12, 86] Generated Node #0,0,0: 81:[12, 86] Operation: 89-3=86 Exploring Operation: 12-3=9, Resulting Numbers: [89, 9] Generated Node #0,0,1: 81:[89, 9] Operation: 12-3=9 Exploring Operation: 89-12=77, Resulting Numbers: [3, 77] Generated Node #0,0,2: 81:[3, 77] Operation: 89-12=77 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 81:[3, 77], Operations: ['72+17=89', '89-12=77'] Exploring Operation: 3*77=231, Resulting Numbers: [231] 231,81 unequal: No Solution Exploring Operation: 77-3=74, Resulting Numbers: [74] 74,81 unequal: No Solution Exploring Operation: 3+77=80, Resulting Numbers: [80] 80,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 81:[12, 86], Operations: ['72+17=89', '89-3=86'] Exploring Operation: 86-12=74, Resulting Numbers: [74] 74,81 unequal: No Solution Exploring Operation: 12+86=98, Resulting Numbers: [98] 98,81 unequal: No Solution Exploring Operation: 12*86=1032, Resulting Numbers: [1032] 1032,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 81:[89, 9], Operations: ['72+17=89', '12-3=9'] Exploring Operation: 89*9=801, Resulting Numbers: [801] 801,81 unequal: No Solution Exploring Operation: 89+9=98, Resulting Numbers: [98] 98,81 unequal: No Solution Exploring Operation: 89-9=80, Resulting Numbers: [80] 80,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 81:[3, 17, 84], Operations: ['72+12=84'] Exploring Operation: 84-3=81, Resulting Numbers: [17, 81] Generated Node #0,1,0: 81:[17, 81] Operation: 84-3=81 Exploring Operation: 17-3=14, Resulting Numbers: [84, 14] Generated Node #0,1,1: 81:[84, 14] Operation: 17-3=14 Exploring Operation: 84/3=28, Resulting Numbers: [17, 28] Generated Node #0,1,2: 81:[17, 28] Operation: 84/3=28 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 81:[17, 81], Operations: ['72+12=84', '84-3=81'] Exploring Operation: 81-17=64, Resulting Numbers: [64] 64,81 unequal: No Solution Exploring Operation: 17+81=98, Resulting Numbers: [98] 98,81 unequal: No Solution Exploring Operation: 17*81=1377, Resulting Numbers: [1377] 1377,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 81:[84, 14], Operations: ['72+12=84', '17-3=14'] Exploring Operation: 84+14=98, Resulting Numbers: [98] 98,81 unequal: No Solution Exploring Operation: 84-14=70, Resulting Numbers: [70] 70,81 unequal: No Solution Exploring Operation: 84/14=6, Resulting Numbers: [6] 6,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 81:[17, 28], Operations: ['72+12=84', '84/3=28'] Exploring Operation: 28-17=11, Resulting Numbers: [11] 11,81 unequal: No Solution Exploring Operation: 17*28=476, Resulting Numbers: [476] 476,81 unequal: No Solution Exploring Operation: 17+28=45, Resulting Numbers: [45] 45,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 81:[3, 17, 6], Operations: ['72/12=6'] Exploring Operation: 17+6=23, Resulting Numbers: [3, 23] Generated Node #0,2,0: 81:[3, 23] Operation: 17+6=23 Exploring Operation: 17-3=14, Resulting Numbers: [6, 14] Generated Node #0,2,1: 81:[6, 14] Operation: 17-3=14 Exploring Operation: 17-6=11, Resulting Numbers: [3, 11] Generated Node #0,2,2: 81:[3, 11] Operation: 17-6=11 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 81:[3, 11], Operations: ['72/12=6', '17-6=11'] Exploring Operation: 11-3=8, Resulting Numbers: [8] 8,81 unequal: No Solution Exploring Operation: 3+11=14, Resulting Numbers: [14] 14,81 unequal: No Solution Exploring Operation: 3*11=33, Resulting Numbers: [33] 33,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 81:[3, 23], Operations: ['72/12=6', '17+6=23'] Exploring Operation: 23-3=20, Resulting Numbers: [20] 20,81 unequal: No Solution Exploring Operation: 3*23=69, Resulting Numbers: [69] 69,81 unequal: No Solution Exploring Operation: 3+23=26, Resulting Numbers: [26] 26,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 81:[6, 14], Operations: ['72/12=6', '17-3=14'] Exploring Operation: 6*14=84, Resulting Numbers: [84] 84,81 unequal: No Solution Exploring Operation: 14-6=8, Resulting Numbers: [8] 8,81 unequal: No Solution Exploring Operation: 6+14=20, Resulting Numbers: [20] 20,81 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
[ 52, 25, 45, 10 ]
59
[ "25+45=70", "70/10=7", "52+7=59" ]
Current State: 59:[52, 25, 45, 10], Operations: [] Exploring Operation: 25+45=70, Resulting Numbers: [52, 10, 70] Generated Node #2: [52, 10, 70] from Operation: 25+45=70 Current State: 59:[52, 10, 70], Operations: ['25+45=70'] Exploring Operation: 70/10=7, Resulting Numbers: [52, 7] Generated Node #3: [52, 7] from Operation: 70/10=7 Current State: 59:[52, 7], Operations: ['25+45=70', '70/10=7'] Exploring Operation: 52+7=59, Resulting Numbers: [59] 59,59 equal: Goal Reached
4
Current State: 59:[52, 25, 45, 10], Operations: [] Exploring Operation: 52+10=62, Resulting Numbers: [25, 45, 62] Generated Node #0,0: 59:[25, 45, 62] Operation: 52+10=62 Exploring Operation: 45+10=55, Resulting Numbers: [52, 25, 55] Generated Node #0,1: 59:[52, 25, 55] Operation: 45+10=55 Exploring Operation: 25+10=35, Resulting Numbers: [52, 45, 35] Generated Node #0,2: 59:[52, 45, 35] Operation: 25+10=35 Moving to Node #0,1 Current State: 59:[52, 25, 55], Operations: ['45+10=55'] Exploring Operation: 25+55=80, Resulting Numbers: [52, 80] Generated Node #0,1,0: 59:[52, 80] Operation: 25+55=80 Exploring Operation: 52+25=77, Resulting Numbers: [55, 77] Generated Node #0,1,1: 59:[55, 77] Operation: 52+25=77 Exploring Operation: 52-25=27, Resulting Numbers: [55, 27] Generated Node #0,1,2: 59:[55, 27] Operation: 52-25=27 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 59:[55, 77], Operations: ['45+10=55', '52+25=77'] Exploring Operation: 77-55=22, Resulting Numbers: [22] 22,59 unequal: No Solution Exploring Operation: 55*77=4235, Resulting Numbers: [4235] 4235,59 unequal: No Solution Exploring Operation: 55+77=132, Resulting Numbers: [132] 132,59 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 59:[52, 80], Operations: ['45+10=55', '25+55=80'] Exploring Operation: 80-52=28, Resulting Numbers: [28] 28,59 unequal: No Solution Exploring Operation: 52*80=4160, Resulting Numbers: [4160] 4160,59 unequal: No Solution Exploring Operation: 52+80=132, Resulting Numbers: [132] 132,59 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 59:[55, 27], Operations: ['45+10=55', '52-25=27'] Exploring Operation: 55+27=82, Resulting Numbers: [82] 82,59 unequal: No Solution Exploring Operation: 55-27=28, Resulting Numbers: [28] 28,59 unequal: No Solution Exploring Operation: 55*27=1485, Resulting Numbers: [1485] 1485,59 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: 59:[52, 45, 35], Operations: ['25+10=35'] Exploring Operation: 52+35=87, Resulting Numbers: [45, 87] Generated Node #0,2,0: 59:[45, 87] Operation: 52+35=87 Exploring Operation: 45+35=80, Resulting Numbers: [52, 80] Generated Node #0,2,1: 59:[52, 80] Operation: 45+35=80 Exploring Operation: 52-35=17, Resulting Numbers: [45, 17] Generated Node #0,2,2: 59:[45, 17] Operation: 52-35=17 Moving to Node #0,0 Current State: 59:[25, 45, 62], Operations: ['52+10=62'] Exploring Operation: 45-25=20, Resulting Numbers: [62, 20] Generated Node #0,0,0: 59:[62, 20] Operation: 45-25=20 Exploring Operation: 62-25=37, Resulting Numbers: [45, 37] Generated Node #0,0,1: 59:[45, 37] Operation: 62-25=37 Exploring Operation: 25+45=70, Resulting Numbers: [62, 70] Generated Node #0,0,2: 59:[62, 70] Operation: 25+45=70 Moving to Node #0,0,2 Current State: 59:[62, 70], Operations: ['52+10=62', '25+45=70'] Exploring Operation: 62*70=4340, Resulting Numbers: [4340] 4340,59 unequal: No Solution Exploring Operation: 70-62=8, Resulting Numbers: [8] 8,59 unequal: No Solution Exploring Operation: 62+70=132, Resulting Numbers: [132] 132,59 unequal: No Solution Moving to Node #0,2,1 Current State: 59:[52, 80], Operations: ['25+10=35', '45+35=80'] Exploring Operation: 52+80=132, Resulting Numbers: [132] 132,59 unequal: No Solution Exploring Operation: 52*80=4160, Resulting Numbers: [4160] 4160,59 unequal: No Solution Exploring Operation: 80-52=28, Resulting Numbers: [28] 28,59 unequal: No Solution Moving to Node #0,0,1 Current State: 59:[45, 37], Operations: ['52+10=62', '62-25=37'] Exploring Operation: 45-37=8, Resulting Numbers: [8] 8,59 unequal: No Solution Exploring Operation: 45+37=82, Resulting Numbers: [82] 82,59 unequal: No Solution Exploring Operation: 45*37=1665, Resulting Numbers: [1665] 1665,59 unequal: No Solution Moving to Node #0,0,0 Current State: 59:[62, 20], Operations: ['52+10=62', '45-25=20'] Exploring Operation: 62*20=1240, Resulting Numbers: [1240] 1240,59 unequal: No Solution Exploring Operation: 62+20=82, Resulting Numbers: [82] 82,59 unequal: No Solution Exploring Operation: 62-20=42, Resulting Numbers: [42] 42,59 unequal: No Solution Moving to Node #0,2,0 Current State: 59:[45, 87], Operations: ['25+10=35', '52+35=87'] Exploring Operation: 87-45=42, Resulting Numbers: [42] 42,59 unequal: No Solution Exploring Operation: 45*87=3915, Resulting Numbers: [3915] 3915,59 unequal: No Solution Exploring Operation: 45+87=132, Resulting Numbers: [132] 132,59 unequal: No Solution Moving to Node #0,2,2 Current State: 59:[45, 17], Operations: ['25+10=35', '52-35=17'] Exploring Operation: 45-17=28, Resulting Numbers: [28] 28,59 unequal: No Solution Exploring Operation: 45+17=62, Resulting Numbers: [62] 62,59 unequal: No Solution Exploring Operation: 45*17=765, Resulting Numbers: [765] 765,59 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 36, 63, 23, 39 ]
44
[ "39-36=3", "63/3=21", "23+21=44" ]
Current State: 44:[36, 63, 23, 39], Operations: [] Exploring Operation: 39-36=3, Resulting Numbers: [63, 23, 3] Generated Node #2: [63, 23, 3] from Operation: 39-36=3 Current State: 44:[63, 23, 3], Operations: ['39-36=3'] Exploring Operation: 63/3=21, Resulting Numbers: [23, 21] Generated Node #3: [23, 21] from Operation: 63/3=21 Current State: 44:[23, 21], Operations: ['39-36=3', '63/3=21'] Exploring Operation: 23+21=44, Resulting Numbers: [44] 44,44 equal: Goal Reached
4
Current State: 44:[36, 63, 23, 39], Operations: [] Exploring Operation: 63-36=27, Resulting Numbers: [23, 39, 27] Generated Node #0,0: 44:[23, 39, 27] Operation: 63-36=27 Moving to Node #0,0 Current State: 44:[23, 39, 27], Operations: ['63-36=27'] Exploring Operation: 39-27=12, Resulting Numbers: [23, 12] Generated Node #0,0,0: 44:[23, 12] Operation: 39-27=12 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 44:[23, 12], Operations: ['63-36=27', '39-27=12'] Exploring Operation: 23-12=11, Resulting Numbers: [11] 11,44 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 57, 26, 19, 7 ]
47
[ "57/19=3", "7*3=21", "26+21=47" ]
Current State: 47:[57, 26, 19, 7], Operations: [] Exploring Operation: 57/19=3, Resulting Numbers: [26, 7, 3] Generated Node #2: [26, 7, 3] from Operation: 57/19=3 Current State: 47:[26, 7, 3], Operations: ['57/19=3'] Exploring Operation: 7*3=21, Resulting Numbers: [26, 21] Generated Node #3: [26, 21] from Operation: 7*3=21 Current State: 47:[26, 21], Operations: ['57/19=3', '7*3=21'] Exploring Operation: 26+21=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[57, 26, 19, 7], Operations: [] Exploring Operation: 57-7=50, Resulting Numbers: [26, 19, 50] Generated Node #0,0: 47:[26, 19, 50] Operation: 57-7=50 Exploring Operation: 26+19=45, Resulting Numbers: [57, 7, 45] Generated Node #0,1: 47:[57, 7, 45] Operation: 26+19=45 Start Sub Search at level 1: Moving to Node #0,0 Current State: 47:[26, 19, 50], Operations: ['57-7=50'] Exploring Operation: 50-19=31, Resulting Numbers: [26, 31] Generated Node #0,0,0: 47:[26, 31] Operation: 50-19=31 Exploring Operation: 26+19=45, Resulting Numbers: [50, 45] Generated Node #0,0,1: 47:[50, 45] Operation: 26+19=45 Moving to Node #0,0,1 Current State: 47:[50, 45], Operations: ['57-7=50', '26+19=45'] Exploring Operation: 50-45=5, Resulting Numbers: [5] 5,47 unequal: No Solution Exploring Operation: 50+45=95, Resulting Numbers: [95] 95,47 unequal: No Solution Moving to Node #0,0,0 Current State: 47:[26, 31], Operations: ['57-7=50', '50-19=31'] Exploring Operation: 31-26=5, Resulting Numbers: [5] 5,47 unequal: No Solution Exploring Operation: 26+31=57, Resulting Numbers: [57] 57,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 47:[57, 7, 45], Operations: ['26+19=45'] Exploring Operation: 57-7=50, Resulting Numbers: [45, 50] Generated Node #0,1,0: 47:[45, 50] Operation: 57-7=50 Exploring Operation: 7+45=52, Resulting Numbers: [57, 52] Generated Node #0,1,1: 47:[57, 52] Operation: 7+45=52 Moving to Node #0,1,0 Current State: 47:[45, 50], Operations: ['26+19=45', '57-7=50'] Exploring Operation: 45+50=95, Resulting Numbers: [95] 95,47 unequal: No Solution Exploring Operation: 50-45=5, Resulting Numbers: [5] 5,47 unequal: No Solution Moving to Node #0,1,1 Current State: 47:[57, 52], Operations: ['26+19=45', '7+45=52'] Exploring Operation: 57+52=109, Resulting Numbers: [109] 109,47 unequal: No Solution Exploring Operation: 57-52=5, Resulting Numbers: [5] 5,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 95, 12, 87, 56 ]
40
[ "95-87=8", "12*8=96", "96-56=40" ]
Current State: 40:[95, 12, 87, 56], Operations: [] Exploring Operation: 95-87=8, Resulting Numbers: [12, 56, 8] Generated Node #2: [12, 56, 8] from Operation: 95-87=8 Current State: 40:[12, 56, 8], Operations: ['95-87=8'] Exploring Operation: 12*8=96, Resulting Numbers: [56, 96] Generated Node #3: [56, 96] from Operation: 12*8=96 Current State: 40:[56, 96], Operations: ['95-87=8', '12*8=96'] Exploring Operation: 96-56=40, Resulting Numbers: [40] 40,40 equal: Goal Reached
4
Current State: 40:[95, 12, 87, 56], Operations: [] Exploring Operation: 95-12=83, Resulting Numbers: [87, 56, 83] Generated Node #0,0: 40:[87, 56, 83] Operation: 95-12=83 Exploring Operation: 87-56=31, Resulting Numbers: [95, 12, 31] Generated Node #0,1: 40:[95, 12, 31] Operation: 87-56=31 Exploring Operation: 87-12=75, Resulting Numbers: [95, 56, 75] Generated Node #0,2: 40:[95, 56, 75] Operation: 87-12=75 Exploring Operation: 95-87=8, Resulting Numbers: [12, 56, 8] Generated Node #0,3: 40:[12, 56, 8] Operation: 95-87=8 Exploring Operation: 95-56=39, Resulting Numbers: [12, 87, 39] Generated Node #0,4: 40:[12, 87, 39] Operation: 95-56=39 Moving to Node #0,3 Current State: 40:[12, 56, 8], Operations: ['95-87=8'] Exploring Operation: 56/8=7, Resulting Numbers: [12, 7] Generated Node #0,3,0: 40:[12, 7] Operation: 56/8=7 Exploring Operation: 56-8=48, Resulting Numbers: [12, 48] Generated Node #0,3,1: 40:[12, 48] Operation: 56-8=48 Exploring Operation: 12+8=20, Resulting Numbers: [56, 20] Generated Node #0,3,2: 40:[56, 20] Operation: 12+8=20 Exploring Operation: 56-12=44, Resulting Numbers: [8, 44] Generated Node #0,3,3: 40:[8, 44] Operation: 56-12=44 Exploring Operation: 12-8=4, Resulting Numbers: [56, 4] Generated Node #0,3,4: 40:[56, 4] Operation: 12-8=4 Moving to Node #0,4 Current State: 40:[12, 87, 39], Operations: ['95-56=39'] Exploring Operation: 87-39=48, Resulting Numbers: [12, 48] Generated Node #0,4,0: 40:[12, 48] Operation: 87-39=48 Exploring Operation: 39-12=27, Resulting Numbers: [87, 27] Generated Node #0,4,1: 40:[87, 27] Operation: 39-12=27 Exploring Operation: 12+39=51, Resulting Numbers: [87, 51] Generated Node #0,4,2: 40:[87, 51] Operation: 12+39=51 Exploring Operation: 12+87=99, Resulting Numbers: [39, 99] Generated Node #0,4,3: 40:[39, 99] Operation: 12+87=99 Exploring Operation: 87-12=75, Resulting Numbers: [39, 75] Generated Node #0,4,4: 40:[39, 75] Operation: 87-12=75 Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 40:[12, 48], Operations: ['95-56=39', '87-39=48'] Exploring Operation: 12*48=576, Resulting Numbers: [576] 576,40 unequal: No Solution Exploring Operation: 48/12=4, Resulting Numbers: [4] 4,40 unequal: No Solution Exploring Operation: 48-12=36, Resulting Numbers: [36] 36,40 unequal: No Solution Exploring Operation: 12+48=60, Resulting Numbers: [60] 60,40 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 40:[39, 75], Operations: ['95-56=39', '87-12=75'] Exploring Operation: 39+75=114, Resulting Numbers: [114] 114,40 unequal: No Solution Exploring Operation: 39*75=2925, Resulting Numbers: [2925] 2925,40 unequal: No Solution Exploring Operation: 75-39=36, Resulting Numbers: [36] 36,40 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 40:[87, 27], Operations: ['95-56=39', '39-12=27'] Exploring Operation: 87-27=60, Resulting Numbers: [60] 60,40 unequal: No Solution Exploring Operation: 87*27=2349, Resulting Numbers: [2349] 2349,40 unequal: No Solution Exploring Operation: 87+27=114, Resulting Numbers: [114] 114,40 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 40:[87, 51], Operations: ['95-56=39', '12+39=51'] Exploring Operation: 87*51=4437, Resulting Numbers: [4437] 4437,40 unequal: No Solution Exploring Operation: 87-51=36, Resulting Numbers: [36] 36,40 unequal: No Solution Exploring Operation: 87+51=138, Resulting Numbers: [138] 138,40 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 40:[39, 99], Operations: ['95-56=39', '12+87=99'] Exploring Operation: 99-39=60, Resulting Numbers: [60] 60,40 unequal: No Solution Exploring Operation: 39+99=138, Resulting Numbers: [138] 138,40 unequal: No Solution Exploring Operation: 39*99=3861, Resulting Numbers: [3861] 3861,40 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: 40:[95, 12, 31], Operations: ['87-56=31'] Exploring Operation: 95-12=83, Resulting Numbers: [31, 83] Generated Node #0,1,0: 40:[31, 83] Operation: 95-12=83 Exploring Operation: 95+12=107, Resulting Numbers: [31, 107] Generated Node #0,1,1: 40:[31, 107] Operation: 95+12=107 Exploring Operation: 31-12=19, Resulting Numbers: [95, 19] Generated Node #0,1,2: 40:[95, 19] Operation: 31-12=19 Exploring Operation: 12+31=43, Resulting Numbers: [95, 43] Generated Node #0,1,3: 40:[95, 43] Operation: 12+31=43 Exploring Operation: 95-31=64, Resulting Numbers: [12, 64] Generated Node #0,1,4: 40:[12, 64] Operation: 95-31=64 Moving to Node #0,0 Current State: 40:[87, 56, 83], Operations: ['95-12=83'] Exploring Operation: 87-83=4, Resulting Numbers: [56, 4] Generated Node #0,0,0: 40:[56, 4] Operation: 87-83=4 Exploring Operation: 87-56=31, Resulting Numbers: [83, 31] Generated Node #0,0,1: 40:[83, 31] Operation: 87-56=31 Exploring Operation: 83-56=27, Resulting Numbers: [87, 27] Generated Node #0,0,2: 40:[87, 27] Operation: 83-56=27 Exploring Operation: 87+56=143, Resulting Numbers: [83, 143] Generated Node #0,0,3: 40:[83, 143] Operation: 87+56=143 Exploring Operation: 87+83=170, Resulting Numbers: [56, 170] Generated Node #0,0,4: 40:[56, 170] Operation: 87+83=170 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 40:[56, 4], Operations: ['95-12=83', '87-83=4'] Exploring Operation: 56/4=14, Resulting Numbers: [14] 14,40 unequal: No Solution Exploring Operation: 56-4=52, Resulting Numbers: [52] 52,40 unequal: No Solution Exploring Operation: 56+4=60, Resulting Numbers: [60] 60,40 unequal: No Solution Exploring Operation: 56*4=224, Resulting Numbers: [224] 224,40 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 40:[83, 31], Operations: ['95-12=83', '87-56=31'] Exploring Operation: 83-31=52, Resulting Numbers: [52] 52,40 unequal: No Solution Exploring Operation: 83*31=2573, Resulting Numbers: [2573] 2573,40 unequal: No Solution Exploring Operation: 83+31=114, Resulting Numbers: [114] 114,40 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 40:[87, 27], Operations: ['95-12=83', '83-56=27'] Exploring Operation: 87-27=60, Resulting Numbers: [60] 60,40 unequal: No Solution Exploring Operation: 87*27=2349, Resulting Numbers: [2349] 2349,40 unequal: No Solution Exploring Operation: 87+27=114, Resulting Numbers: [114] 114,40 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 40:[83, 143], Operations: ['95-12=83', '87+56=143'] Exploring Operation: 143-83=60, Resulting Numbers: [60] 60,40 unequal: No Solution Exploring Operation: 83*143=11869, Resulting Numbers: [11869] 11869,40 unequal: No Solution Exploring Operation: 83+143=226, Resulting Numbers: [226] 226,40 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 40:[56, 170], Operations: ['95-12=83', '87+83=170'] Exploring Operation: 56*170=9520, Resulting Numbers: [9520] 9520,40 unequal: No Solution Exploring Operation: 56+170=226, Resulting Numbers: [226] 226,40 unequal: No Solution Exploring Operation: 170-56=114, Resulting Numbers: [114] 114,40 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: 40:[95, 56, 75], Operations: ['87-12=75'] Exploring Operation: 95-56=39, Resulting Numbers: [75, 39] Generated Node #0,2,0: 40:[75, 39] Operation: 95-56=39 Exploring Operation: 75-56=19, Resulting Numbers: [95, 19] Generated Node #0,2,1: 40:[95, 19] Operation: 75-56=19 Exploring Operation: 95-75=20, Resulting Numbers: [56, 20] Generated Node #0,2,2: 40:[56, 20] Operation: 95-75=20 Exploring Operation: 95+56=151, Resulting Numbers: [75, 151] Generated Node #0,2,3: 40:[75, 151] Operation: 95+56=151 Exploring Operation: 95+75=170, Resulting Numbers: [56, 170] Generated Node #0,2,4: 40:[56, 170] Operation: 95+75=170 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 40:[56, 20], Operations: ['87-12=75', '95-75=20'] Exploring Operation: 56*20=1120, Resulting Numbers: [1120] 1120,40 unequal: No Solution Exploring Operation: 56+20=76, Resulting Numbers: [76] 76,40 unequal: No Solution Exploring Operation: 56-20=36, Resulting Numbers: [36] 36,40 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 40:[75, 39], Operations: ['87-12=75', '95-56=39'] Exploring Operation: 75*39=2925, Resulting Numbers: [2925] 2925,40 unequal: No Solution Exploring Operation: 75+39=114, Resulting Numbers: [114] 114,40 unequal: No Solution Exploring Operation: 75-39=36, Resulting Numbers: [36] 36,40 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 40:[95, 19], Operations: ['87-12=75', '75-56=19'] Exploring Operation: 95*19=1805, Resulting Numbers: [1805] 1805,40 unequal: No Solution Exploring Operation: 95-19=76, Resulting Numbers: [76] 76,40 unequal: No Solution Exploring Operation: 95+19=114, Resulting Numbers: [114] 114,40 unequal: No Solution Exploring Operation: 95/19=5, Resulting Numbers: [5] 5,40 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 40:[75, 151], Operations: ['87-12=75', '95+56=151'] Exploring Operation: 75+151=226, Resulting Numbers: [226] 226,40 unequal: No Solution Exploring Operation: 151-75=76, Resulting Numbers: [76] 76,40 unequal: No Solution Exploring Operation: 75*151=11325, Resulting Numbers: [11325] 11325,40 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 40:[56, 170], Operations: ['87-12=75', '95+75=170'] Exploring Operation: 56+170=226, Resulting Numbers: [226] 226,40 unequal: No Solution Exploring Operation: 56*170=9520, Resulting Numbers: [9520] 9520,40 unequal: No Solution Exploring Operation: 170-56=114, Resulting Numbers: [114] 114,40 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3,0 Current State: 40:[12, 7], Operations: ['95-87=8', '56/8=7'] Exploring Operation: 12+7=19, Resulting Numbers: [19] 19,40 unequal: No Solution Exploring Operation: 12-7=5, Resulting Numbers: [5] 5,40 unequal: No Solution Exploring Operation: 12*7=84, Resulting Numbers: [84] 84,40 unequal: No Solution Moving to Node #0,3,3 Current State: 40:[8, 44], Operations: ['95-87=8', '56-12=44'] Exploring Operation: 44-8=36, Resulting Numbers: [36] 36,40 unequal: No Solution Exploring Operation: 8+44=52, Resulting Numbers: [52] 52,40 unequal: No Solution Exploring Operation: 8*44=352, Resulting Numbers: [352] 352,40 unequal: No Solution Moving to Node #0,3,1 Current State: 40:[12, 48], Operations: ['95-87=8', '56-8=48'] Exploring Operation: 12+48=60, Resulting Numbers: [60] 60,40 unequal: No Solution Exploring Operation: 48-12=36, Resulting Numbers: [36] 36,40 unequal: No Solution Exploring Operation: 12*48=576, Resulting Numbers: [576] 576,40 unequal: No Solution Exploring Operation: 48/12=4, Resulting Numbers: [4] 4,40 unequal: No Solution Moving to Node #0,3,4 Current State: 40:[56, 4], Operations: ['95-87=8', '12-8=4'] Exploring Operation: 56-4=52, Resulting Numbers: [52] 52,40 unequal: No Solution Exploring Operation: 56*4=224, Resulting Numbers: [224] 224,40 unequal: No Solution Exploring Operation: 56/4=14, Resulting Numbers: [14] 14,40 unequal: No Solution Exploring Operation: 56+4=60, Resulting Numbers: [60] 60,40 unequal: No Solution Moving to Node #0,3,2 Current State: 40:[56, 20], Operations: ['95-87=8', '12+8=20'] Exploring Operation: 56*20=1120, Resulting Numbers: [1120] 1120,40 unequal: No Solution Exploring Operation: 56-20=36, Resulting Numbers: [36] 36,40 unequal: No Solution Exploring Operation: 56+20=76, Resulting Numbers: [76] 76,40 unequal: No Solution Moving to Node #0,1,4 Current State: 40:[12, 64], Operations: ['87-56=31', '95-31=64'] Exploring Operation: 64-12=52, Resulting Numbers: [52] 52,40 unequal: No Solution Exploring Operation: 12*64=768, Resulting Numbers: [768] 768,40 unequal: No Solution Exploring Operation: 12+64=76, Resulting Numbers: [76] 76,40 unequal: No Solution Moving to Node #0,1,0 Current State: 40:[31, 83], Operations: ['87-56=31', '95-12=83'] Exploring Operation: 31*83=2573, Resulting Numbers: [2573] 2573,40 unequal: No Solution Exploring Operation: 83-31=52, Resulting Numbers: [52] 52,40 unequal: No Solution Exploring Operation: 31+83=114, Resulting Numbers: [114] 114,40 unequal: No Solution Moving to Node #0,1,2 Current State: 40:[95, 19], Operations: ['87-56=31', '31-12=19'] Exploring Operation: 95/19=5, Resulting Numbers: [5] 5,40 unequal: No Solution Exploring Operation: 95+19=114, Resulting Numbers: [114] 114,40 unequal: No Solution Exploring Operation: 95*19=1805, Resulting Numbers: [1805] 1805,40 unequal: No Solution Exploring Operation: 95-19=76, Resulting Numbers: [76] 76,40 unequal: No Solution Moving to Node #0,1,3 Current State: 40:[95, 43], Operations: ['87-56=31', '12+31=43'] Exploring Operation: 95+43=138, Resulting Numbers: [138] 138,40 unequal: No Solution Exploring Operation: 95*43=4085, Resulting Numbers: [4085] 4085,40 unequal: No Solution Exploring Operation: 95-43=52, Resulting Numbers: [52] 52,40 unequal: No Solution Moving to Node #0,1,1 Current State: 40:[31, 107], Operations: ['87-56=31', '95+12=107'] Exploring Operation: 31*107=3317, Resulting Numbers: [3317] 3317,40 unequal: No Solution Exploring Operation: 107-31=76, Resulting Numbers: [76] 76,40 unequal: No Solution Exploring Operation: 31+107=138, Resulting Numbers: [138] 138,40 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 46, 89, 1, 92 ]
49
[ "89-46=43", "1*92=92", "92-43=49" ]
Current State: 49:[46, 89, 1, 92], Operations: [] Exploring Operation: 89-46=43, Resulting Numbers: [1, 92, 43] Generated Node #2: [1, 92, 43] from Operation: 89-46=43 Current State: 49:[1, 92, 43], Operations: ['89-46=43'] Exploring Operation: 1*92=92, Resulting Numbers: [43, 92] Generated Node #3: [43, 92] from Operation: 1*92=92 Current State: 49:[43, 92], Operations: ['89-46=43', '1*92=92'] Exploring Operation: 92-43=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
4
Current State: 49:[46, 89, 1, 92], Operations: [] Exploring Operation: 92-89=3, Resulting Numbers: [46, 1, 3] Generated Node #0,0: 49:[46, 1, 3] Operation: 92-89=3 Start Sub Search at level 1: Moving to Node #0,0 Current State: 49:[46, 1, 3], Operations: ['92-89=3'] Exploring Operation: 46+1=47, Resulting Numbers: [3, 47] Generated Node #0,0,0: 49:[3, 47] Operation: 46+1=47 Moving to Node #0,0,0 Current State: 49:[3, 47], Operations: ['92-89=3', '46+1=47'] Exploring Operation: 3+47=50, Resulting Numbers: [50] 50,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 30, 29, 3, 55 ]
12
[ "30+29=59", "59-55=4", "3*4=12" ]
Current State: 12:[30, 29, 3, 55], Operations: [] Exploring Operation: 30+29=59, Resulting Numbers: [3, 55, 59] Generated Node #2: [3, 55, 59] from Operation: 30+29=59 Current State: 12:[3, 55, 59], Operations: ['30+29=59'] Exploring Operation: 59-55=4, Resulting Numbers: [3, 4] Generated Node #3: [3, 4] from Operation: 59-55=4 Current State: 12:[3, 4], Operations: ['30+29=59', '59-55=4'] Exploring Operation: 3*4=12, Resulting Numbers: [12] 12,12 equal: Goal Reached
4
Current State: 12:[30, 29, 3, 55], Operations: [] Exploring Operation: 30/3=10, Resulting Numbers: [29, 55, 10] Generated Node #0,0: 12:[29, 55, 10] Operation: 30/3=10 Exploring Operation: 55-30=25, Resulting Numbers: [29, 3, 25] Generated Node #0,1: 12:[29, 3, 25] Operation: 55-30=25 Exploring Operation: 30-29=1, Resulting Numbers: [3, 55, 1] Generated Node #0,2: 12:[3, 55, 1] Operation: 30-29=1 Exploring Operation: 55-29=26, Resulting Numbers: [30, 3, 26] Generated Node #0,3: 12:[30, 3, 26] Operation: 55-29=26 Moving to Node #0,1 Current State: 12:[29, 3, 25], Operations: ['55-30=25'] Exploring Operation: 25-3=22, Resulting Numbers: [29, 22] Generated Node #0,1,0: 12:[29, 22] Operation: 25-3=22 Exploring Operation: 29-3=26, Resulting Numbers: [25, 26] Generated Node #0,1,1: 12:[25, 26] Operation: 29-3=26 Exploring Operation: 29+3=32, Resulting Numbers: [25, 32] Generated Node #0,1,2: 12:[25, 32] Operation: 29+3=32 Exploring Operation: 29-25=4, Resulting Numbers: [3, 4] Generated Node #0,1,3: 12:[3, 4] Operation: 29-25=4 Moving to Node #0,3 Current State: 12:[30, 3, 26], Operations: ['55-29=26'] Exploring Operation: 30/3=10, Resulting Numbers: [26, 10] Generated Node #0,3,0: 12:[26, 10] Operation: 30/3=10 Exploring Operation: 26-3=23, Resulting Numbers: [30, 23] Generated Node #0,3,1: 12:[30, 23] Operation: 26-3=23 Exploring Operation: 30-26=4, Resulting Numbers: [3, 4] Generated Node #0,3,2: 12:[3, 4] Operation: 30-26=4 Exploring Operation: 30-3=27, Resulting Numbers: [26, 27] Generated Node #0,3,3: 12:[26, 27] Operation: 30-3=27 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 12:[3, 4], Operations: ['55-29=26', '30-26=4'] Exploring Operation: 3*4=12, Resulting Numbers: [12] 12,12 equal: Goal Reached Moving to Node #0 Current State: 12:[30, 29, 3, 55], Operations: [] Exploring Operation: 55-29=26, Resulting Numbers: [30, 3, 26] Generated Node #0,3: 12:[30, 3, 26] Operation: 55-29=26 Moving to Node #0,3 Current State: 12:[30, 3, 26], Operations: ['55-29=26'] Exploring Operation: 30-26=4, Resulting Numbers: [3, 4] Generated Node #0,3,2: 12:[3, 4] Operation: 30-26=4 Moving to Node #0,3,2 Current State: 12:[3, 4], Operations: ['55-29=26', '30-26=4'] Exploring Operation: 3*4=12, Resulting Numbers: [12] 12,12 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_4
sum_heuristic
[ 8, 92, 85, 94 ]
95
[ "92-8=84", "85+94=179", "179-84=95" ]
Current State: 95:[8, 92, 85, 94], Operations: [] Exploring Operation: 92-8=84, Resulting Numbers: [85, 94, 84] Generated Node #2: [85, 94, 84] from Operation: 92-8=84 Current State: 95:[85, 94, 84], Operations: ['92-8=84'] Exploring Operation: 85+94=179, Resulting Numbers: [84, 179] Generated Node #3: [84, 179] from Operation: 85+94=179 Current State: 95:[84, 179], Operations: ['92-8=84', '85+94=179'] Exploring Operation: 179-84=95, Resulting Numbers: [95] 95,95 equal: Goal Reached
4
Current State: 95:[8, 92, 85, 94], Operations: [] Exploring Operation: 8+85=93, Resulting Numbers: [92, 94, 93] Generated Node #0,0: 95:[92, 94, 93] Operation: 8+85=93 Moving to Node #0,0 Current State: 95:[92, 94, 93], Operations: ['8+85=93'] Exploring Operation: 94-92=2, Resulting Numbers: [93, 2] Generated Node #0,0,0: 95:[93, 2] Operation: 94-92=2 Moving to Node #0,0,0 Current State: 95:[93, 2], Operations: ['8+85=93', '94-92=2'] Exploring Operation: 93+2=95, Resulting Numbers: [95] 95,95 equal: Goal Reached Moving to Node #0 Current State: 95:[8, 92, 85, 94], Operations: [] Exploring Operation: 8+85=93, Resulting Numbers: [92, 94, 93] Generated Node #0,0: 95:[92, 94, 93] Operation: 8+85=93 Moving to Node #0,0 Current State: 95:[92, 94, 93], Operations: ['8+85=93'] Exploring Operation: 94-92=2, Resulting Numbers: [93, 2] Generated Node #0,0,0: 95:[93, 2] Operation: 94-92=2 Moving to Node #0,0,0 Current State: 95:[93, 2], Operations: ['8+85=93', '94-92=2'] Exploring Operation: 93+2=95, Resulting Numbers: [95] 95,95 equal: Goal Reached
0.993924
hs_1
mult_heuristic
[ 14, 17, 16, 76 ]
20
[ "17-14=3", "76-16=60", "60/3=20" ]
Current State: 20:[14, 17, 16, 76], Operations: [] Exploring Operation: 17-14=3, Resulting Numbers: [16, 76, 3] Generated Node #2: [16, 76, 3] from Operation: 17-14=3 Current State: 20:[16, 76, 3], Operations: ['17-14=3'] Exploring Operation: 76-16=60, Resulting Numbers: [3, 60] Generated Node #3: [3, 60] from Operation: 76-16=60 Current State: 20:[3, 60], Operations: ['17-14=3', '76-16=60'] Exploring Operation: 60/3=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[14, 17, 16, 76], Operations: [] Exploring Operation: 16-14=2, Resulting Numbers: [17, 76, 2] Generated Node #0,0: 20:[17, 76, 2] Operation: 16-14=2 Exploring Operation: 76-16=60, Resulting Numbers: [14, 17, 60] Generated Node #0,1: 20:[14, 17, 60] Operation: 76-16=60 Exploring Operation: 76-17=59, Resulting Numbers: [14, 16, 59] Generated Node #0,2: 20:[14, 16, 59] Operation: 76-17=59 Exploring Operation: 76-14=62, Resulting Numbers: [17, 16, 62] Generated Node #0,3: 20:[17, 16, 62] Operation: 76-14=62 Moving to Node #0,1 Current State: 20:[14, 17, 60], Operations: ['76-16=60'] Exploring Operation: 14+17=31, Resulting Numbers: [60, 31] Generated Node #0,1,0: 20:[60, 31] Operation: 14+17=31 Exploring Operation: 60-14=46, Resulting Numbers: [17, 46] Generated Node #0,1,1: 20:[17, 46] Operation: 60-14=46 Exploring Operation: 60-17=43, Resulting Numbers: [14, 43] Generated Node #0,1,2: 20:[14, 43] Operation: 60-17=43 Exploring Operation: 17-14=3, Resulting Numbers: [60, 3] Generated Node #0,1,3: 20:[60, 3] Operation: 17-14=3 Moving to Node #0,2 Current State: 20:[14, 16, 59], Operations: ['76-17=59'] Exploring Operation: 16-14=2, Resulting Numbers: [59, 2] Generated Node #0,2,0: 20:[59, 2] Operation: 16-14=2 Exploring Operation: 59-14=45, Resulting Numbers: [16, 45] Generated Node #0,2,1: 20:[16, 45] Operation: 59-14=45 Exploring Operation: 14+16=30, Resulting Numbers: [59, 30] Generated Node #0,2,2: 20:[59, 30] Operation: 14+16=30 Exploring Operation: 59-16=43, Resulting Numbers: [14, 43] Generated Node #0,2,3: 20:[14, 43] Operation: 59-16=43 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 20:[14, 43], Operations: ['76-17=59', '59-16=43'] Exploring Operation: 43-14=29, Resulting Numbers: [29] 29,20 unequal: No Solution Exploring Operation: 14+43=57, Resulting Numbers: [57] 57,20 unequal: No Solution Exploring Operation: 14*43=602, Resulting Numbers: [602] 602,20 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 #0,2,1 Current State: 20:[16, 45], Operations: ['76-17=59', '59-14=45'] Exploring Operation: 16+45=61, Resulting Numbers: [61] 61,20 unequal: No Solution Exploring Operation: 45-16=29, Resulting Numbers: [29] 29,20 unequal: No Solution Exploring Operation: 16*45=720, Resulting Numbers: [720] 720,20 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 #0,2,0 Current State: 20:[59, 2], Operations: ['76-17=59', '16-14=2'] Exploring Operation: 59-2=57, Resulting Numbers: [57] 57,20 unequal: No Solution Exploring Operation: 59*2=118, Resulting Numbers: [118] 118,20 unequal: No Solution Exploring Operation: 59+2=61, Resulting Numbers: [61] 61,20 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 #0,2,2 Current State: 20:[59, 30], Operations: ['76-17=59', '14+16=30'] Exploring Operation: 59*30=1770, Resulting Numbers: [1770] 1770,20 unequal: No Solution Exploring Operation: 59+30=89, Resulting Numbers: [89] 89,20 unequal: No Solution Exploring Operation: 59-30=29, Resulting Numbers: [29] 29,20 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: 20:[17, 16, 62], Operations: ['76-14=62'] Exploring Operation: 62-16=46, Resulting Numbers: [17, 46] Generated Node #0,3,0: 20:[17, 46] Operation: 62-16=46 Exploring Operation: 62-17=45, Resulting Numbers: [16, 45] Generated Node #0,3,1: 20:[16, 45] Operation: 62-17=45 Exploring Operation: 17+16=33, Resulting Numbers: [62, 33] Generated Node #0,3,2: 20:[62, 33] Operation: 17+16=33 Exploring Operation: 17-16=1, Resulting Numbers: [62, 1] Generated Node #0,3,3: 20:[62, 1] Operation: 17-16=1 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 20:[17, 46], Operations: ['76-14=62', '62-16=46'] Exploring Operation: 17*46=782, Resulting Numbers: [782] 782,20 unequal: No Solution Exploring Operation: 46-17=29, Resulting Numbers: [29] 29,20 unequal: No Solution Exploring Operation: 17+46=63, Resulting Numbers: [63] 63,20 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 #0,3,1 Current State: 20:[16, 45], Operations: ['76-14=62', '62-17=45'] Exploring Operation: 45-16=29, Resulting Numbers: [29] 29,20 unequal: No Solution Exploring Operation: 16+45=61, Resulting Numbers: [61] 61,20 unequal: No Solution Exploring Operation: 16*45=720, Resulting Numbers: [720] 720,20 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 #0,3,3 Current State: 20:[62, 1], Operations: ['76-14=62', '17-16=1'] Exploring Operation: 62-1=61, Resulting Numbers: [61] 61,20 unequal: No Solution Exploring Operation: 62/1=62, Resulting Numbers: [62] 62,20 unequal: No Solution Exploring Operation: 62*1=62, Resulting Numbers: [62] 62,20 unequal: No Solution Exploring Operation: 62+1=63, Resulting Numbers: [63] 63,20 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 #0,3,2 Current State: 20:[62, 33], Operations: ['76-14=62', '17+16=33'] Exploring Operation: 62-33=29, Resulting Numbers: [29] 29,20 unequal: No Solution Exploring Operation: 62*33=2046, Resulting Numbers: [2046] 2046,20 unequal: No Solution Exploring Operation: 62+33=95, Resulting Numbers: [95] 95,20 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: 20:[17, 76, 2], Operations: ['16-14=2'] Exploring Operation: 76-17=59, Resulting Numbers: [2, 59] Generated Node #0,0,0: 20:[2, 59] Operation: 76-17=59 Exploring Operation: 17+2=19, Resulting Numbers: [76, 19] Generated Node #0,0,1: 20:[76, 19] Operation: 17+2=19 Exploring Operation: 76/2=38, Resulting Numbers: [17, 38] Generated Node #0,0,2: 20:[17, 38] Operation: 76/2=38 Exploring Operation: 76-2=74, Resulting Numbers: [17, 74] Generated Node #0,0,3: 20:[17, 74] Operation: 76-2=74 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 20:[17, 38], Operations: ['16-14=2', '76/2=38'] Exploring Operation: 38-17=21, Resulting Numbers: [21] 21,20 unequal: No Solution Exploring Operation: 17*38=646, Resulting Numbers: [646] 646,20 unequal: No Solution Exploring Operation: 17+38=55, Resulting Numbers: [55] 55,20 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 #0,0,0 Current State: 20:[2, 59], Operations: ['16-14=2', '76-17=59'] Exploring Operation: 2*59=118, Resulting Numbers: [118] 118,20 unequal: No Solution Exploring Operation: 2+59=61, Resulting Numbers: [61] 61,20 unequal: No Solution Exploring Operation: 59-2=57, Resulting Numbers: [57] 57,20 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:[76, 19], Operations: ['16-14=2', '17+2=19'] Exploring Operation: 76*19=1444, Resulting Numbers: [1444] 1444,20 unequal: No Solution Exploring Operation: 76+19=95, Resulting Numbers: [95] 95,20 unequal: No Solution Exploring Operation: 76/19=4, Resulting Numbers: [4] 4,20 unequal: No Solution Exploring Operation: 76-19=57, Resulting Numbers: [57] 57,20 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 #0,0,3 Current State: 20:[17, 74], Operations: ['16-14=2', '76-2=74'] Exploring Operation: 74-17=57, Resulting Numbers: [57] 57,20 unequal: No Solution Exploring Operation: 17+74=91, Resulting Numbers: [91] 91,20 unequal: No Solution Exploring Operation: 17*74=1258, Resulting Numbers: [1258] 1258,20 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: 20:[14, 43], Operations: ['76-16=60', '60-17=43'] Exploring Operation: 43-14=29, Resulting Numbers: [29] 29,20 unequal: No Solution Exploring Operation: 14*43=602, Resulting Numbers: [602] 602,20 unequal: No Solution Exploring Operation: 14+43=57, Resulting Numbers: [57] 57,20 unequal: No Solution Moving to Node #0,1,1 Current State: 20:[17, 46], Operations: ['76-16=60', '60-14=46'] Exploring Operation: 17*46=782, Resulting Numbers: [782] 782,20 unequal: No Solution Exploring Operation: 17+46=63, Resulting Numbers: [63] 63,20 unequal: No Solution Exploring Operation: 46-17=29, Resulting Numbers: [29] 29,20 unequal: No Solution Moving to Node #0,1,3 Current State: 20:[60, 3], Operations: ['76-16=60', '17-14=3'] Exploring Operation: 60-3=57, Resulting Numbers: [57] 57,20 unequal: No Solution Exploring Operation: 60+3=63, Resulting Numbers: [63] 63,20 unequal: No Solution Exploring Operation: 60/3=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Moving to Node #0 Current State: 20:[14, 17, 16, 76], Operations: [] Exploring Operation: 76-16=60, Resulting Numbers: [14, 17, 60] Generated Node #0,1: 20:[14, 17, 60] Operation: 76-16=60 Moving to Node #0,1 Current State: 20:[14, 17, 60], Operations: ['76-16=60'] Exploring Operation: 17-14=3, Resulting Numbers: [60, 3] Generated Node #0,1,3: 20:[60, 3] Operation: 17-14=3 Moving to Node #0,1,3 Current State: 20:[60, 3], Operations: ['76-16=60', '17-14=3'] Exploring Operation: 60/3=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
0.938368
hs_4
mult_heuristic
[ 7, 72, 68, 74 ]
73
[ "7+72=79", "74-68=6", "79-6=73" ]
Current State: 73:[7, 72, 68, 74], Operations: [] Exploring Operation: 7+72=79, Resulting Numbers: [68, 74, 79] Generated Node #2: [68, 74, 79] from Operation: 7+72=79 Current State: 73:[68, 74, 79], Operations: ['7+72=79'] Exploring Operation: 74-68=6, Resulting Numbers: [79, 6] Generated Node #3: [79, 6] from Operation: 74-68=6 Current State: 73:[79, 6], Operations: ['7+72=79', '74-68=6'] Exploring Operation: 79-6=73, Resulting Numbers: [73] 73,73 equal: Goal Reached
4
Current State: 73:[7, 72, 68, 74], Operations: [] Exploring Operation: 74-7=67, Resulting Numbers: [72, 68, 67] Generated Node #0,0: 73:[72, 68, 67] Operation: 74-7=67 Exploring Operation: 7+68=75, Resulting Numbers: [72, 74, 75] Generated Node #0,1: 73:[72, 74, 75] Operation: 7+68=75 Exploring Operation: 7+72=79, Resulting Numbers: [68, 74, 79] Generated Node #0,2: 73:[68, 74, 79] Operation: 7+72=79 Moving to Node #0,1 Current State: 73:[72, 74, 75], Operations: ['7+68=75'] Exploring Operation: 75-72=3, Resulting Numbers: [74, 3] Generated Node #0,1,0: 73:[74, 3] Operation: 75-72=3 Exploring Operation: 74-72=2, Resulting Numbers: [75, 2] Generated Node #0,1,1: 73:[75, 2] Operation: 74-72=2 Exploring Operation: 75-74=1, Resulting Numbers: [72, 1] Generated Node #0,1,2: 73:[72, 1] Operation: 75-74=1 Moving to Node #0,0 Current State: 73:[72, 68, 67], Operations: ['74-7=67'] Exploring Operation: 68+67=135, Resulting Numbers: [72, 135] Generated Node #0,0,0: 73:[72, 135] Operation: 68+67=135 Exploring Operation: 72+68=140, Resulting Numbers: [67, 140] Generated Node #0,0,1: 73:[67, 140] Operation: 72+68=140 Exploring Operation: 72+67=139, Resulting Numbers: [68, 139] Generated Node #0,0,2: 73:[68, 139] Operation: 72+67=139 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 73:[72, 135], Operations: ['74-7=67', '68+67=135'] Exploring Operation: 72+135=207, Resulting Numbers: [207] 207,73 unequal: No Solution Exploring Operation: 135-72=63, Resulting Numbers: [63] 63,73 unequal: No Solution Exploring Operation: 72*135=9720, Resulting Numbers: [9720] 9720,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 73:[68, 139], Operations: ['74-7=67', '72+67=139'] Exploring Operation: 68+139=207, Resulting Numbers: [207] 207,73 unequal: No Solution Exploring Operation: 68*139=9452, Resulting Numbers: [9452] 9452,73 unequal: No Solution Exploring Operation: 139-68=71, Resulting Numbers: [71] 71,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 73:[67, 140], Operations: ['74-7=67', '72+68=140'] Exploring Operation: 140-67=73, Resulting Numbers: [73] 73,73 equal: Goal Reached Moving to Node #0 Current State: 73:[7, 72, 68, 74], Operations: [] Exploring Operation: 74-7=67, Resulting Numbers: [72, 68, 67] Generated Node #0,0: 73:[72, 68, 67] Operation: 74-7=67 Moving to Node #0,0 Current State: 73:[72, 68, 67], Operations: ['74-7=67'] Exploring Operation: 72+68=140, Resulting Numbers: [67, 140] Generated Node #0,0,1: 73:[67, 140] Operation: 72+68=140 Moving to Node #0,0,1 Current State: 73:[67, 140], Operations: ['74-7=67', '72+68=140'] Exploring Operation: 140-67=73, Resulting Numbers: [73] 73,73 equal: Goal Reached Exit Sub Search at level 1
0.982639
hs_3
sum_heuristic
[ 70, 60, 56, 74 ]
21
[ "74-56=18", "70*18=1260", "1260/60=21" ]
Current State: 21:[70, 60, 56, 74], Operations: [] Exploring Operation: 74-56=18, Resulting Numbers: [70, 60, 18] Generated Node #2: [70, 60, 18] from Operation: 74-56=18 Current State: 21:[70, 60, 18], Operations: ['74-56=18'] Exploring Operation: 70*18=1260, Resulting Numbers: [60, 1260] Generated Node #3: [60, 1260] from Operation: 70*18=1260 Current State: 21:[60, 1260], Operations: ['74-56=18', '70*18=1260'] Exploring Operation: 1260/60=21, Resulting Numbers: [21] 21,21 equal: Goal Reached
4
Current State: 21:[70, 60, 56, 74], Operations: [] Exploring Operation: 74-70=4, Resulting Numbers: [60, 56, 4] Generated Node #0,0: 21:[60, 56, 4] Operation: 74-70=4 Exploring Operation: 70-60=10, Resulting Numbers: [56, 74, 10] Generated Node #0,1: 21:[56, 74, 10] Operation: 70-60=10 Moving to Node #0,0 Current State: 21:[60, 56, 4], Operations: ['74-70=4'] Exploring Operation: 60-56=4, Resulting Numbers: [4, 4] Generated Node #0,0,0: 21:[4, 4] Operation: 60-56=4 Exploring Operation: 60/4=15, Resulting Numbers: [56, 15] Generated Node #0,0,1: 21:[56, 15] Operation: 60/4=15 Moving to Node #0,1 Current State: 21:[56, 74, 10], Operations: ['70-60=10'] Exploring Operation: 74-56=18, Resulting Numbers: [10, 18] Generated Node #0,1,0: 21:[10, 18] Operation: 74-56=18 Exploring Operation: 56-10=46, Resulting Numbers: [74, 46] Generated Node #0,1,1: 21:[74, 46] Operation: 56-10=46 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 21:[10, 18], Operations: ['70-60=10', '74-56=18'] Exploring Operation: 18-10=8, Resulting Numbers: [8] 8,21 unequal: No Solution Exploring Operation: 10+18=28, Resulting Numbers: [28] 28,21 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 #0,1,1 Current State: 21:[74, 46], Operations: ['70-60=10', '56-10=46'] Exploring Operation: 74-46=28, Resulting Numbers: [28] 28,21 unequal: No Solution Exploring Operation: 74+46=120, Resulting Numbers: [120] 120,21 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: 21:[4, 4], Operations: ['74-70=4', '60-56=4'] Exploring Operation: 4+4=8, Resulting Numbers: [8] 8,21 unequal: No Solution Exploring Operation: 4/4=1, Resulting Numbers: [1] 1,21 unequal: No Solution Moving to Node #0,0,1 Current State: 21:[56, 15], Operations: ['74-70=4', '60/4=15'] Exploring Operation: 56+15=71, Resulting Numbers: [71] 71,21 unequal: No Solution Exploring Operation: 56-15=41, Resulting Numbers: [41] 41,21 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 9, 73, 43, 49 ]
76
[ "9+73=82", "49-43=6", "82-6=76" ]
Current State: 76:[9, 73, 43, 49], Operations: [] Exploring Operation: 9+73=82, Resulting Numbers: [43, 49, 82] Generated Node #2: [43, 49, 82] from Operation: 9+73=82 Current State: 76:[43, 49, 82], Operations: ['9+73=82'] Exploring Operation: 49-43=6, Resulting Numbers: [82, 6] Generated Node #3: [82, 6] from Operation: 49-43=6 Current State: 76:[82, 6], Operations: ['9+73=82', '49-43=6'] Exploring Operation: 82-6=76, Resulting Numbers: [76] 76,76 equal: Goal Reached
4
Current State: 76:[9, 73, 43, 49], Operations: [] Exploring Operation: 49-9=40, Resulting Numbers: [73, 43, 40] Generated Node #0,0: 76:[73, 43, 40] Operation: 49-9=40 Exploring Operation: 73-49=24, Resulting Numbers: [9, 43, 24] Generated Node #0,1: 76:[9, 43, 24] Operation: 73-49=24 Exploring Operation: 49-43=6, Resulting Numbers: [9, 73, 6] Generated Node #0,2: 76:[9, 73, 6] Operation: 49-43=6 Start Sub Search at level 1: Moving to Node #0,0 Current State: 76:[73, 43, 40], Operations: ['49-9=40'] Exploring Operation: 43-40=3, Resulting Numbers: [73, 3] Generated Node #0,0,0: 76:[73, 3] Operation: 43-40=3 Exploring Operation: 73-43=30, Resulting Numbers: [40, 30] Generated Node #0,0,1: 76:[40, 30] Operation: 73-43=30 Exploring Operation: 73-40=33, Resulting Numbers: [43, 33] Generated Node #0,0,2: 76:[43, 33] Operation: 73-40=33 Moving to Node #0,0,0 Current State: 76:[73, 3], Operations: ['49-9=40', '43-40=3'] Exploring Operation: 73*3=219, Resulting Numbers: [219] 219,76 unequal: No Solution Exploring Operation: 73+3=76, Resulting Numbers: [76] 76,76 equal: Goal Reached Moving to Node #0 Current State: 76:[9, 73, 43, 49], Operations: [] Exploring Operation: 49-9=40, Resulting Numbers: [73, 43, 40] Generated Node #0,0: 76:[73, 43, 40] Operation: 49-9=40 Moving to Node #0,0 Current State: 76:[73, 43, 40], Operations: ['49-9=40'] Exploring Operation: 43-40=3, Resulting Numbers: [73, 3] Generated Node #0,0,0: 76:[73, 3] Operation: 43-40=3 Moving to Node #0,0,0 Current State: 76:[73, 3], Operations: ['49-9=40', '43-40=3'] Exploring Operation: 73+3=76, Resulting Numbers: [76] 76,76 equal: Goal Reached Exit Sub Search at level 1
0.989583
hs_3
sum_heuristic
[ 58, 71, 9, 5 ]
74
[ "71-58=13", "5*13=65", "9+65=74" ]
Current State: 74:[58, 71, 9, 5], Operations: [] Exploring Operation: 71-58=13, Resulting Numbers: [9, 5, 13] Generated Node #2: [9, 5, 13] from Operation: 71-58=13 Current State: 74:[9, 5, 13], Operations: ['71-58=13'] Exploring Operation: 5*13=65, Resulting Numbers: [9, 65] Generated Node #3: [9, 65] from Operation: 5*13=65 Current State: 74:[9, 65], Operations: ['71-58=13', '5*13=65'] Exploring Operation: 9+65=74, Resulting Numbers: [74] 74,74 equal: Goal Reached
4
Current State: 74:[58, 71, 9, 5], Operations: [] Exploring Operation: 58+9=67, Resulting Numbers: [71, 5, 67] Generated Node #0,0: 74:[71, 5, 67] Operation: 58+9=67 Exploring Operation: 58-9=49, Resulting Numbers: [71, 5, 49] Generated Node #0,1: 74:[71, 5, 49] Operation: 58-9=49 Moving to Node #0,0 Current State: 74:[71, 5, 67], Operations: ['58+9=67'] Exploring Operation: 71-67=4, Resulting Numbers: [5, 4] Generated Node #0,0,0: 74:[5, 4] Operation: 71-67=4 Exploring Operation: 5+67=72, Resulting Numbers: [71, 72] Generated Node #0,0,1: 74:[71, 72] Operation: 5+67=72 Moving to Node #0,1 Current State: 74:[71, 5, 49], Operations: ['58-9=49'] Exploring Operation: 49-5=44, Resulting Numbers: [71, 44] Generated Node #0,1,0: 74:[71, 44] Operation: 49-5=44 Exploring Operation: 71+5=76, Resulting Numbers: [49, 76] Generated Node #0,1,1: 74:[49, 76] Operation: 71+5=76 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 74:[71, 44], Operations: ['58-9=49', '49-5=44'] Exploring Operation: 71+44=115, Resulting Numbers: [115] 115,74 unequal: No Solution Exploring Operation: 71-44=27, Resulting Numbers: [27] 27,74 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:[49, 76], Operations: ['58-9=49', '71+5=76'] Exploring Operation: 76-49=27, Resulting Numbers: [27] 27,74 unequal: No Solution Exploring Operation: 49+76=125, Resulting Numbers: [125] 125,74 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: 74:[5, 4], Operations: ['58+9=67', '71-67=4'] Exploring Operation: 5-4=1, Resulting Numbers: [1] 1,74 unequal: No Solution Exploring Operation: 5+4=9, Resulting Numbers: [9] 9,74 unequal: No Solution Moving to Node #0,0,1 Current State: 74:[71, 72], Operations: ['58+9=67', '5+67=72'] Exploring Operation: 72-71=1, Resulting Numbers: [1] 1,74 unequal: No Solution Exploring Operation: 71+72=143, Resulting Numbers: [143] 143,74 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 61, 89, 4, 5 ]
59
[ "89*4=356", "356-61=295", "295/5=59" ]
Current State: 59:[61, 89, 4, 5], Operations: [] Exploring Operation: 89*4=356, Resulting Numbers: [61, 5, 356] Generated Node #2: [61, 5, 356] from Operation: 89*4=356 Current State: 59:[61, 5, 356], Operations: ['89*4=356'] Exploring Operation: 356-61=295, Resulting Numbers: [5, 295] Generated Node #3: [5, 295] from Operation: 356-61=295 Current State: 59:[5, 295], Operations: ['89*4=356', '356-61=295'] Exploring Operation: 295/5=59, Resulting Numbers: [59] 59,59 equal: Goal Reached
4
Current State: 59:[61, 89, 4, 5], Operations: [] Exploring Operation: 4*5=20, Resulting Numbers: [61, 89, 20] Generated Node #0,0: 59:[61, 89, 20] Operation: 4*5=20 Exploring Operation: 89-5=84, Resulting Numbers: [61, 4, 84] Generated Node #0,1: 59:[61, 4, 84] Operation: 89-5=84 Exploring Operation: 4+5=9, Resulting Numbers: [61, 89, 9] Generated Node #0,2: 59:[61, 89, 9] Operation: 4+5=9 Exploring Operation: 89-4=85, Resulting Numbers: [61, 5, 85] Generated Node #0,3: 59:[61, 5, 85] Operation: 89-4=85 Start Sub Search at level 1: Moving to Node #0,0 Current State: 59:[61, 89, 20], Operations: ['4*5=20'] Exploring Operation: 61+20=81, Resulting Numbers: [89, 81] Generated Node #0,0,0: 59:[89, 81] Operation: 61+20=81 Exploring Operation: 61-20=41, Resulting Numbers: [89, 41] Generated Node #0,0,1: 59:[89, 41] Operation: 61-20=41 Exploring Operation: 89-20=69, Resulting Numbers: [61, 69] Generated Node #0,0,2: 59:[61, 69] Operation: 89-20=69 Exploring Operation: 89+20=109, Resulting Numbers: [61, 109] Generated Node #0,0,3: 59:[61, 109] Operation: 89+20=109 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 59:[61, 69], Operations: ['4*5=20', '89-20=69'] Exploring Operation: 61+69=130, Resulting Numbers: [130] 130,59 unequal: No Solution Exploring Operation: 61*69=4209, Resulting Numbers: [4209] 4209,59 unequal: No Solution Exploring Operation: 69-61=8, Resulting Numbers: [8] 8,59 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 59:[89, 41], Operations: ['4*5=20', '61-20=41'] Exploring Operation: 89-41=48, Resulting Numbers: [48] 48,59 unequal: No Solution Exploring Operation: 89*41=3649, Resulting Numbers: [3649] 3649,59 unequal: No Solution Exploring Operation: 89+41=130, Resulting Numbers: [130] 130,59 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 59:[89, 81], Operations: ['4*5=20', '61+20=81'] Exploring Operation: 89*81=7209, Resulting Numbers: [7209] 7209,59 unequal: No Solution Exploring Operation: 89-81=8, Resulting Numbers: [8] 8,59 unequal: No Solution Exploring Operation: 89+81=170, Resulting Numbers: [170] 170,59 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 59:[61, 109], Operations: ['4*5=20', '89+20=109'] Exploring Operation: 61+109=170, Resulting Numbers: [170] 170,59 unequal: No Solution Exploring Operation: 61*109=6649, Resulting Numbers: [6649] 6649,59 unequal: No Solution Exploring Operation: 109-61=48, Resulting Numbers: [48] 48,59 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 59:[61, 4, 84], Operations: ['89-5=84'] Exploring Operation: 61+4=65, Resulting Numbers: [84, 65] Generated Node #0,1,0: 59:[84, 65] Operation: 61+4=65 Exploring Operation: 84-4=80, Resulting Numbers: [61, 80] Generated Node #0,1,1: 59:[61, 80] Operation: 84-4=80 Exploring Operation: 4+84=88, Resulting Numbers: [61, 88] Generated Node #0,1,2: 59:[61, 88] Operation: 4+84=88 Exploring Operation: 61-4=57, Resulting Numbers: [84, 57] Generated Node #0,1,3: 59:[84, 57] Operation: 61-4=57 Moving to Node #0,1,1 Current State: 59:[61, 80], Operations: ['89-5=84', '84-4=80'] Exploring Operation: 61*80=4880, Resulting Numbers: [4880] 4880,59 unequal: No Solution Exploring Operation: 61+80=141, Resulting Numbers: [141] 141,59 unequal: No Solution Exploring Operation: 80-61=19, Resulting Numbers: [19] 19,59 unequal: No Solution Moving to Node #0,1,3 Current State: 59:[84, 57], Operations: ['89-5=84', '61-4=57'] Exploring Operation: 84+57=141, Resulting Numbers: [141] 141,59 unequal: No Solution Exploring Operation: 84*57=4788, Resulting Numbers: [4788] 4788,59 unequal: No Solution Exploring Operation: 84-57=27, Resulting Numbers: [27] 27,59 unequal: No Solution Moving to Node #0,1,2 Current State: 59:[61, 88], Operations: ['89-5=84', '4+84=88'] Exploring Operation: 61+88=149, Resulting Numbers: [149] 149,59 unequal: No Solution Exploring Operation: 88-61=27, Resulting Numbers: [27] 27,59 unequal: No Solution Exploring Operation: 61*88=5368, Resulting Numbers: [5368] 5368,59 unequal: No Solution Moving to Node #0,1,0 Current State: 59:[84, 65], Operations: ['89-5=84', '61+4=65'] Exploring Operation: 84+65=149, Resulting Numbers: [149] 149,59 unequal: No Solution Exploring Operation: 84-65=19, Resulting Numbers: [19] 19,59 unequal: No Solution Exploring Operation: 84*65=5460, Resulting Numbers: [5460] 5460,59 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 59:[61, 89, 9], Operations: ['4+5=9'] Exploring Operation: 89-9=80, Resulting Numbers: [61, 80] Generated Node #0,2,0: 59:[61, 80] Operation: 89-9=80 Exploring Operation: 89+9=98, Resulting Numbers: [61, 98] Generated Node #0,2,1: 59:[61, 98] Operation: 89+9=98 Exploring Operation: 61-9=52, Resulting Numbers: [89, 52] Generated Node #0,2,2: 59:[89, 52] Operation: 61-9=52 Exploring Operation: 61+9=70, Resulting Numbers: [89, 70] Generated Node #0,2,3: 59:[89, 70] Operation: 61+9=70 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 59:[61, 80], Operations: ['4+5=9', '89-9=80'] Exploring Operation: 61+80=141, Resulting Numbers: [141] 141,59 unequal: No Solution Exploring Operation: 61*80=4880, Resulting Numbers: [4880] 4880,59 unequal: No Solution Exploring Operation: 80-61=19, Resulting Numbers: [19] 19,59 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 59:[89, 52], Operations: ['4+5=9', '61-9=52'] Exploring Operation: 89-52=37, Resulting Numbers: [37] 37,59 unequal: No Solution Exploring Operation: 89+52=141, Resulting Numbers: [141] 141,59 unequal: No Solution Exploring Operation: 89*52=4628, Resulting Numbers: [4628] 4628,59 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 59:[61, 98], Operations: ['4+5=9', '89+9=98'] Exploring Operation: 61+98=159, Resulting Numbers: [159] 159,59 unequal: No Solution Exploring Operation: 61*98=5978, Resulting Numbers: [5978] 5978,59 unequal: No Solution Exploring Operation: 98-61=37, Resulting Numbers: [37] 37,59 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 59:[89, 70], Operations: ['4+5=9', '61+9=70'] Exploring Operation: 89*70=6230, Resulting Numbers: [6230] 6230,59 unequal: No Solution Exploring Operation: 89-70=19, Resulting Numbers: [19] 19,59 unequal: No Solution Exploring Operation: 89+70=159, Resulting Numbers: [159] 159,59 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 59:[61, 5, 85], Operations: ['89-4=85'] Exploring Operation: 61+5=66, Resulting Numbers: [85, 66] Generated Node #0,3,0: 59:[85, 66] Operation: 61+5=66 Exploring Operation: 85-5=80, Resulting Numbers: [61, 80] Generated Node #0,3,1: 59:[61, 80] Operation: 85-5=80 Exploring Operation: 5+85=90, Resulting Numbers: [61, 90] Generated Node #0,3,2: 59:[61, 90] Operation: 5+85=90 Exploring Operation: 61-5=56, Resulting Numbers: [85, 56] Generated Node #0,3,3: 59:[85, 56] Operation: 61-5=56 Moving to Node #0,3,1 Current State: 59:[61, 80], Operations: ['89-4=85', '85-5=80'] Exploring Operation: 61*80=4880, Resulting Numbers: [4880] 4880,59 unequal: No Solution Exploring Operation: 80-61=19, Resulting Numbers: [19] 19,59 unequal: No Solution Exploring Operation: 61+80=141, Resulting Numbers: [141] 141,59 unequal: No Solution Moving to Node #0,3,3 Current State: 59:[85, 56], Operations: ['89-4=85', '61-5=56'] Exploring Operation: 85*56=4760, Resulting Numbers: [4760] 4760,59 unequal: No Solution Exploring Operation: 85+56=141, Resulting Numbers: [141] 141,59 unequal: No Solution Exploring Operation: 85-56=29, Resulting Numbers: [29] 29,59 unequal: No Solution Moving to Node #0,3,2 Current State: 59:[61, 90], Operations: ['89-4=85', '5+85=90'] Exploring Operation: 61*90=5490, Resulting Numbers: [5490] 5490,59 unequal: No Solution Exploring Operation: 61+90=151, Resulting Numbers: [151] 151,59 unequal: No Solution Exploring Operation: 90-61=29, Resulting Numbers: [29] 29,59 unequal: No Solution Moving to Node #0,3,0 Current State: 59:[85, 66], Operations: ['89-4=85', '61+5=66'] Exploring Operation: 85*66=5610, Resulting Numbers: [5610] 5610,59 unequal: No Solution Exploring Operation: 85-66=19, Resulting Numbers: [19] 19,59 unequal: No Solution Exploring Operation: 85+66=151, Resulting Numbers: [151] 151,59 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
[ 43, 5, 55, 37 ]
54
[ "43-5=38", "55+37=92", "92-38=54" ]
Current State: 54:[43, 5, 55, 37], Operations: [] Exploring Operation: 43-5=38, Resulting Numbers: [55, 37, 38] Generated Node #2: [55, 37, 38] from Operation: 43-5=38 Current State: 54:[55, 37, 38], Operations: ['43-5=38'] Exploring Operation: 55+37=92, Resulting Numbers: [38, 92] Generated Node #3: [38, 92] from Operation: 55+37=92 Current State: 54:[38, 92], Operations: ['43-5=38', '55+37=92'] Exploring Operation: 92-38=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
4
Current State: 54:[43, 5, 55, 37], Operations: [] Exploring Operation: 37-5=32, Resulting Numbers: [43, 55, 32] Generated Node #0,0: 54:[43, 55, 32] Operation: 37-5=32 Exploring Operation: 55-43=12, Resulting Numbers: [5, 37, 12] Generated Node #0,1: 54:[5, 37, 12] Operation: 55-43=12 Exploring Operation: 43+5=48, Resulting Numbers: [55, 37, 48] Generated Node #0,2: 54:[55, 37, 48] Operation: 43+5=48 Exploring Operation: 55-37=18, Resulting Numbers: [43, 5, 18] Generated Node #0,3: 54:[43, 5, 18] Operation: 55-37=18 Exploring Operation: 43-37=6, Resulting Numbers: [5, 55, 6] Generated Node #0,4: 54:[5, 55, 6] Operation: 43-37=6 Moving to Node #0,4 Current State: 54:[5, 55, 6], Operations: ['43-37=6'] Exploring Operation: 55/5=11, Resulting Numbers: [6, 11] Generated Node #0,4,0: 54:[6, 11] Operation: 55/5=11 Exploring Operation: 55-5=50, Resulting Numbers: [6, 50] Generated Node #0,4,1: 54:[6, 50] Operation: 55-5=50 Exploring Operation: 5*6=30, Resulting Numbers: [55, 30] Generated Node #0,4,2: 54:[55, 30] Operation: 5*6=30 Exploring Operation: 6-5=1, Resulting Numbers: [55, 1] Generated Node #0,4,3: 54:[55, 1] Operation: 6-5=1 Exploring Operation: 5+6=11, Resulting Numbers: [55, 11] Generated Node #0,4,4: 54:[55, 11] Operation: 5+6=11 Moving to Node #0,3 Current State: 54:[43, 5, 18], Operations: ['55-37=18'] Exploring Operation: 43+5=48, Resulting Numbers: [18, 48] Generated Node #0,3,0: 54:[18, 48] Operation: 43+5=48 Exploring Operation: 43-18=25, Resulting Numbers: [5, 25] Generated Node #0,3,1: 54:[5, 25] Operation: 43-18=25 Exploring Operation: 43-5=38, Resulting Numbers: [18, 38] Generated Node #0,3,2: 54:[18, 38] Operation: 43-5=38 Exploring Operation: 5+18=23, Resulting Numbers: [43, 23] Generated Node #0,3,3: 54:[43, 23] Operation: 5+18=23 Exploring Operation: 43+18=61, Resulting Numbers: [5, 61] Generated Node #0,3,4: 54:[5, 61] Operation: 43+18=61 Moving to Node #0,1 Current State: 54:[5, 37, 12], Operations: ['55-43=12'] Exploring Operation: 37+12=49, Resulting Numbers: [5, 49] Generated Node #0,1,0: 54:[5, 49] Operation: 37+12=49 Exploring Operation: 37-5=32, Resulting Numbers: [12, 32] Generated Node #0,1,1: 54:[12, 32] Operation: 37-5=32 Exploring Operation: 37-12=25, Resulting Numbers: [5, 25] Generated Node #0,1,2: 54:[5, 25] Operation: 37-12=25 Exploring Operation: 5+12=17, Resulting Numbers: [37, 17] Generated Node #0,1,3: 54:[37, 17] Operation: 5+12=17 Exploring Operation: 12-5=7, Resulting Numbers: [37, 7] Generated Node #0,1,4: 54:[37, 7] Operation: 12-5=7 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 54:[5, 25], Operations: ['55-43=12', '37-12=25'] Exploring Operation: 5+25=30, Resulting Numbers: [30] 30,54 unequal: No Solution Exploring Operation: 25-5=20, Resulting Numbers: [20] 20,54 unequal: No Solution Exploring Operation: 5*25=125, Resulting Numbers: [125] 125,54 unequal: No Solution Exploring Operation: 25/5=5, Resulting Numbers: [5] 5,54 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 54:[5, 49], Operations: ['55-43=12', '37+12=49'] Exploring Operation: 5+49=54, Resulting Numbers: [54] 54,54 equal: Goal Reached Moving to Node #0 Current State: 54:[43, 5, 55, 37], Operations: [] Exploring Operation: 55-43=12, Resulting Numbers: [5, 37, 12] Generated Node #0,1: 54:[5, 37, 12] Operation: 55-43=12 Moving to Node #0,1 Current State: 54:[5, 37, 12], Operations: ['55-43=12'] Exploring Operation: 37+12=49, Resulting Numbers: [5, 49] Generated Node #0,1,0: 54:[5, 49] Operation: 37+12=49 Moving to Node #0,1,0 Current State: 54:[5, 49], Operations: ['55-43=12', '37+12=49'] Exploring Operation: 5+49=54, Resulting Numbers: [54] 54,54 equal: Goal Reached Exit Sub Search at level 1
0.974826
hs_5
sum_heuristic
[ 20, 33, 50, 90 ]
35
[ "90-50=40", "40/20=2", "33+2=35" ]
Current State: 35:[20, 33, 50, 90], Operations: [] Exploring Operation: 90-50=40, Resulting Numbers: [20, 33, 40] Generated Node #2: [20, 33, 40] from Operation: 90-50=40 Current State: 35:[20, 33, 40], Operations: ['90-50=40'] Exploring Operation: 40/20=2, Resulting Numbers: [33, 2] Generated Node #3: [33, 2] from Operation: 40/20=2 Current State: 35:[33, 2], Operations: ['90-50=40', '40/20=2'] Exploring Operation: 33+2=35, Resulting Numbers: [35] 35,35 equal: Goal Reached
4
Current State: 35:[20, 33, 50, 90], Operations: [] Exploring Operation: 90-20=70, Resulting Numbers: [33, 50, 70] Generated Node #0,0: 35:[33, 50, 70] Operation: 90-20=70 Exploring Operation: 90-50=40, Resulting Numbers: [20, 33, 40] Generated Node #0,1: 35:[20, 33, 40] Operation: 90-50=40 Exploring Operation: 90-33=57, Resulting Numbers: [20, 50, 57] Generated Node #0,2: 35:[20, 50, 57] Operation: 90-33=57 Moving to Node #0,1 Current State: 35:[20, 33, 40], Operations: ['90-50=40'] Exploring Operation: 40-33=7, Resulting Numbers: [20, 7] Generated Node #0,1,0: 35:[20, 7] Operation: 40-33=7 Exploring Operation: 40/20=2, Resulting Numbers: [33, 2] Generated Node #0,1,1: 35:[33, 2] Operation: 40/20=2 Exploring Operation: 33-20=13, Resulting Numbers: [40, 13] Generated Node #0,1,2: 35:[40, 13] Operation: 33-20=13 Moving to Node #0,2 Current State: 35:[20, 50, 57], Operations: ['90-33=57'] Exploring Operation: 50-20=30, Resulting Numbers: [57, 30] Generated Node #0,2,0: 35:[57, 30] Operation: 50-20=30 Exploring Operation: 57-50=7, Resulting Numbers: [20, 7] Generated Node #0,2,1: 35:[20, 7] Operation: 57-50=7 Exploring Operation: 57-20=37, Resulting Numbers: [50, 37] Generated Node #0,2,2: 35:[50, 37] Operation: 57-20=37 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 35:[20, 7], Operations: ['90-33=57', '57-50=7'] Exploring Operation: 20+7=27, Resulting Numbers: [27] 27,35 unequal: No Solution Exploring Operation: 20*7=140, Resulting Numbers: [140] 140,35 unequal: No Solution Exploring Operation: 20-7=13, Resulting Numbers: [13] 13,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 35:[50, 37], Operations: ['90-33=57', '57-20=37'] Exploring Operation: 50*37=1850, Resulting Numbers: [1850] 1850,35 unequal: No Solution Exploring Operation: 50+37=87, Resulting Numbers: [87] 87,35 unequal: No Solution Exploring Operation: 50-37=13, Resulting Numbers: [13] 13,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 35:[57, 30], Operations: ['90-33=57', '50-20=30'] Exploring Operation: 57*30=1710, Resulting Numbers: [1710] 1710,35 unequal: No Solution Exploring Operation: 57-30=27, Resulting Numbers: [27] 27,35 unequal: No Solution Exploring Operation: 57+30=87, Resulting Numbers: [87] 87,35 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: 35:[33, 50, 70], Operations: ['90-20=70'] Exploring Operation: 70-33=37, Resulting Numbers: [50, 37] Generated Node #0,0,0: 35:[50, 37] Operation: 70-33=37 Exploring Operation: 50-33=17, Resulting Numbers: [70, 17] Generated Node #0,0,1: 35:[70, 17] Operation: 50-33=17 Exploring Operation: 70-50=20, Resulting Numbers: [33, 20] Generated Node #0,0,2: 35:[33, 20] Operation: 70-50=20 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 35:[33, 20], Operations: ['90-20=70', '70-50=20'] Exploring Operation: 33*20=660, Resulting Numbers: [660] 660,35 unequal: No Solution Exploring Operation: 33-20=13, Resulting Numbers: [13] 13,35 unequal: No Solution Exploring Operation: 33+20=53, Resulting Numbers: [53] 53,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 35:[50, 37], Operations: ['90-20=70', '70-33=37'] Exploring Operation: 50+37=87, Resulting Numbers: [87] 87,35 unequal: No Solution Exploring Operation: 50*37=1850, Resulting Numbers: [1850] 1850,35 unequal: No Solution Exploring Operation: 50-37=13, Resulting Numbers: [13] 13,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 35:[70, 17], Operations: ['90-20=70', '50-33=17'] Exploring Operation: 70*17=1190, Resulting Numbers: [1190] 1190,35 unequal: No Solution Exploring Operation: 70-17=53, Resulting Numbers: [53] 53,35 unequal: No Solution Exploring Operation: 70+17=87, Resulting Numbers: [87] 87,35 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: 35:[33, 2], Operations: ['90-50=40', '40/20=2'] Exploring Operation: 33-2=31, Resulting Numbers: [31] 31,35 unequal: No Solution Exploring Operation: 33+2=35, Resulting Numbers: [35] 35,35 equal: Goal Reached Moving to Node #0 Current State: 35:[20, 33, 50, 90], Operations: [] Exploring Operation: 90-50=40, Resulting Numbers: [20, 33, 40] Generated Node #0,1: 35:[20, 33, 40] Operation: 90-50=40 Moving to Node #0,1 Current State: 35:[20, 33, 40], Operations: ['90-50=40'] Exploring Operation: 40/20=2, Resulting Numbers: [33, 2] Generated Node #0,1,1: 35:[33, 2] Operation: 40/20=2 Moving to Node #0,1,1 Current State: 35:[33, 2], Operations: ['90-50=40', '40/20=2'] Exploring Operation: 33+2=35, Resulting Numbers: [35] 35,35 equal: Goal Reached
0.96875
hs_3
mult_heuristic
[ 67, 22, 11, 28 ]
78
[ "67-28=39", "22/11=2", "39*2=78" ]
Current State: 78:[67, 22, 11, 28], Operations: [] Exploring Operation: 67-28=39, Resulting Numbers: [22, 11, 39] Generated Node #2: [22, 11, 39] from Operation: 67-28=39 Current State: 78:[22, 11, 39], Operations: ['67-28=39'] Exploring Operation: 22/11=2, Resulting Numbers: [39, 2] Generated Node #3: [39, 2] from Operation: 22/11=2 Current State: 78:[39, 2], Operations: ['67-28=39', '22/11=2'] Exploring Operation: 39*2=78, Resulting Numbers: [78] 78,78 equal: Goal Reached
4
Current State: 78:[67, 22, 11, 28], Operations: [] Exploring Operation: 67-28=39, Resulting Numbers: [22, 11, 39] Generated Node #0,0: 78:[22, 11, 39] Operation: 67-28=39 Exploring Operation: 22/11=2, Resulting Numbers: [67, 28, 2] Generated Node #0,1: 78:[67, 28, 2] Operation: 22/11=2 Exploring Operation: 28-22=6, Resulting Numbers: [67, 11, 6] Generated Node #0,2: 78:[67, 11, 6] Operation: 28-22=6 Exploring Operation: 67-22=45, Resulting Numbers: [11, 28, 45] Generated Node #0,3: 78:[11, 28, 45] Operation: 67-22=45 Exploring Operation: 67+11=78, Resulting Numbers: [22, 28, 78] Generated Node #0,4: 78:[22, 28, 78] Operation: 67+11=78 Moving to Node #0,0 Current State: 78:[22, 11, 39], Operations: ['67-28=39'] Exploring Operation: 39-11=28, Resulting Numbers: [22, 28] Generated Node #0,0,0: 78:[22, 28] Operation: 39-11=28 Exploring Operation: 39-22=17, Resulting Numbers: [11, 17] Generated Node #0,0,1: 78:[11, 17] Operation: 39-22=17 Exploring Operation: 22/11=2, Resulting Numbers: [39, 2] Generated Node #0,0,2: 78:[39, 2] Operation: 22/11=2 Exploring Operation: 22-11=11, Resulting Numbers: [39, 11] Generated Node #0,0,3: 78:[39, 11] Operation: 22-11=11 Exploring Operation: 22+11=33, Resulting Numbers: [39, 33] Generated Node #0,0,4: 78:[39, 33] Operation: 22+11=33 Moving to Node #0,4 Current State: 78:[22, 28, 78], Operations: ['67+11=78'] Exploring Operation: 28-22=6, Resulting Numbers: [78, 6] Generated Node #0,4,0: 78:[78, 6] Operation: 28-22=6 Exploring Operation: 78-28=50, Resulting Numbers: [22, 50] Generated Node #0,4,1: 78:[22, 50] Operation: 78-28=50 Exploring Operation: 22+28=50, Resulting Numbers: [78, 50] Generated Node #0,4,2: 78:[78, 50] Operation: 22+28=50 Exploring Operation: 78-22=56, Resulting Numbers: [28, 56] Generated Node #0,4,3: 78:[28, 56] Operation: 78-22=56 Exploring Operation: 22+78=100, Resulting Numbers: [28, 100] Generated Node #0,4,4: 78:[28, 100] Operation: 22+78=100 Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 78:[78, 6], Operations: ['67+11=78', '28-22=6'] Exploring Operation: 78/6=13, Resulting Numbers: [13] 13,78 unequal: No Solution Exploring Operation: 78+6=84, Resulting Numbers: [84] 84,78 unequal: No Solution Exploring Operation: 78*6=468, Resulting Numbers: [468] 468,78 unequal: No Solution Exploring Operation: 78-6=72, Resulting Numbers: [72] 72,78 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 78:[78, 50], Operations: ['67+11=78', '22+28=50'] Exploring Operation: 78*50=3900, Resulting Numbers: [3900] 3900,78 unequal: No Solution Exploring Operation: 78+50=128, Resulting Numbers: [128] 128,78 unequal: No Solution Exploring Operation: 78-50=28, Resulting Numbers: [28] 28,78 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 78:[22, 50], Operations: ['67+11=78', '78-28=50'] Exploring Operation: 50-22=28, Resulting Numbers: [28] 28,78 unequal: No Solution Exploring Operation: 22*50=1100, Resulting Numbers: [1100] 1100,78 unequal: No Solution Exploring Operation: 22+50=72, Resulting Numbers: [72] 72,78 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 78:[28, 56], Operations: ['67+11=78', '78-22=56'] Exploring Operation: 56/28=2, Resulting Numbers: [2] 2,78 unequal: No Solution Exploring Operation: 28+56=84, Resulting Numbers: [84] 84,78 unequal: No Solution Exploring Operation: 56-28=28, Resulting Numbers: [28] 28,78 unequal: No Solution Exploring Operation: 28*56=1568, Resulting Numbers: [1568] 1568,78 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 78:[28, 100], Operations: ['67+11=78', '22+78=100'] Exploring Operation: 100-28=72, Resulting Numbers: [72] 72,78 unequal: No Solution Exploring Operation: 28+100=128, Resulting Numbers: [128] 128,78 unequal: No Solution Exploring Operation: 28*100=2800, Resulting Numbers: [2800] 2800,78 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: 78:[11, 28, 45], Operations: ['67-22=45'] Exploring Operation: 11+28=39, Resulting Numbers: [45, 39] Generated Node #0,3,0: 78:[45, 39] Operation: 11+28=39 Exploring Operation: 45-11=34, Resulting Numbers: [28, 34] Generated Node #0,3,1: 78:[28, 34] Operation: 45-11=34 Exploring Operation: 28-11=17, Resulting Numbers: [45, 17] Generated Node #0,3,2: 78:[45, 17] Operation: 28-11=17 Exploring Operation: 45-28=17, Resulting Numbers: [11, 17] Generated Node #0,3,3: 78:[11, 17] Operation: 45-28=17 Exploring Operation: 28+45=73, Resulting Numbers: [11, 73] Generated Node #0,3,4: 78:[11, 73] Operation: 28+45=73 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 78:[45, 39], Operations: ['67-22=45', '11+28=39'] Exploring Operation: 45-39=6, Resulting Numbers: [6] 6,78 unequal: No Solution Exploring Operation: 45+39=84, Resulting Numbers: [84] 84,78 unequal: No Solution Exploring Operation: 45*39=1755, Resulting Numbers: [1755] 1755,78 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 78:[11, 17], Operations: ['67-22=45', '45-28=17'] Exploring Operation: 11*17=187, Resulting Numbers: [187] 187,78 unequal: No Solution Exploring Operation: 17-11=6, Resulting Numbers: [6] 6,78 unequal: No Solution Exploring Operation: 11+17=28, Resulting Numbers: [28] 28,78 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 78:[28, 34], Operations: ['67-22=45', '45-11=34'] Exploring Operation: 28*34=952, Resulting Numbers: [952] 952,78 unequal: No Solution Exploring Operation: 34-28=6, Resulting Numbers: [6] 6,78 unequal: No Solution Exploring Operation: 28+34=62, Resulting Numbers: [62] 62,78 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 78:[11, 73], Operations: ['67-22=45', '28+45=73'] Exploring Operation: 11*73=803, Resulting Numbers: [803] 803,78 unequal: No Solution Exploring Operation: 11+73=84, Resulting Numbers: [84] 84,78 unequal: No Solution Exploring Operation: 73-11=62, Resulting Numbers: [62] 62,78 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 78:[45, 17], Operations: ['67-22=45', '28-11=17'] Exploring Operation: 45+17=62, Resulting Numbers: [62] 62,78 unequal: No Solution Exploring Operation: 45*17=765, Resulting Numbers: [765] 765,78 unequal: No Solution Exploring Operation: 45-17=28, Resulting Numbers: [28] 28,78 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: 78:[67, 28, 2], Operations: ['22/11=2'] Exploring Operation: 28-2=26, Resulting Numbers: [67, 26] Generated Node #0,1,0: 78:[67, 26] Operation: 28-2=26 Exploring Operation: 67-2=65, Resulting Numbers: [28, 65] Generated Node #0,1,1: 78:[28, 65] Operation: 67-2=65 Exploring Operation: 67+2=69, Resulting Numbers: [28, 69] Generated Node #0,1,2: 78:[28, 69] Operation: 67+2=69 Exploring Operation: 28/2=14, Resulting Numbers: [67, 14] Generated Node #0,1,3: 78:[67, 14] Operation: 28/2=14 Exploring Operation: 67-28=39, Resulting Numbers: [2, 39] Generated Node #0,1,4: 78:[2, 39] Operation: 67-28=39 Moving to Node #0,2 Current State: 78:[67, 11, 6], Operations: ['28-22=6'] Exploring Operation: 11+6=17, Resulting Numbers: [67, 17] Generated Node #0,2,0: 78:[67, 17] Operation: 11+6=17 Exploring Operation: 67-11=56, Resulting Numbers: [6, 56] Generated Node #0,2,1: 78:[6, 56] Operation: 67-11=56 Exploring Operation: 67+11=78, Resulting Numbers: [6, 78] Generated Node #0,2,2: 78:[6, 78] Operation: 67+11=78 Exploring Operation: 67+6=73, Resulting Numbers: [11, 73] Generated Node #0,2,3: 78:[11, 73] Operation: 67+6=73 Exploring Operation: 11-6=5, Resulting Numbers: [67, 5] Generated Node #0,2,4: 78:[67, 5] Operation: 11-6=5 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 78:[6, 78], Operations: ['28-22=6', '67+11=78'] Exploring Operation: 6+78=84, Resulting Numbers: [84] 84,78 unequal: No Solution Exploring Operation: 6*78=468, Resulting Numbers: [468] 468,78 unequal: No Solution Exploring Operation: 78-6=72, Resulting Numbers: [72] 72,78 unequal: No Solution Exploring Operation: 78/6=13, Resulting Numbers: [13] 13,78 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 78:[11, 73], Operations: ['28-22=6', '67+6=73'] Exploring Operation: 73-11=62, Resulting Numbers: [62] 62,78 unequal: No Solution Exploring Operation: 11+73=84, Resulting Numbers: [84] 84,78 unequal: No Solution Exploring Operation: 11*73=803, Resulting Numbers: [803] 803,78 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 78:[67, 5], Operations: ['28-22=6', '11-6=5'] Exploring Operation: 67-5=62, Resulting Numbers: [62] 62,78 unequal: No Solution Exploring Operation: 67*5=335, Resulting Numbers: [335] 335,78 unequal: No Solution Exploring Operation: 67+5=72, Resulting Numbers: [72] 72,78 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 78:[67, 17], Operations: ['28-22=6', '11+6=17'] Exploring Operation: 67-17=50, Resulting Numbers: [50] 50,78 unequal: No Solution Exploring Operation: 67*17=1139, Resulting Numbers: [1139] 1139,78 unequal: No Solution Exploring Operation: 67+17=84, Resulting Numbers: [84] 84,78 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 78:[6, 56], Operations: ['28-22=6', '67-11=56'] Exploring Operation: 6+56=62, Resulting Numbers: [62] 62,78 unequal: No Solution Exploring Operation: 56-6=50, Resulting Numbers: [50] 50,78 unequal: No Solution Exploring Operation: 6*56=336, Resulting Numbers: [336] 336,78 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,2 Current State: 78:[39, 2], Operations: ['67-28=39', '22/11=2'] Exploring Operation: 39-2=37, Resulting Numbers: [37] 37,78 unequal: No Solution Exploring Operation: 39+2=41, Resulting Numbers: [41] 41,78 unequal: No Solution Exploring Operation: 39*2=78, Resulting Numbers: [78] 78,78 equal: Goal Reached Moving to Node #0 Current State: 78:[67, 22, 11, 28], Operations: [] Exploring Operation: 67-28=39, Resulting Numbers: [22, 11, 39] Generated Node #0,0: 78:[22, 11, 39] Operation: 67-28=39 Moving to Node #0,0 Current State: 78:[22, 11, 39], Operations: ['67-28=39'] Exploring Operation: 22/11=2, Resulting Numbers: [39, 2] Generated Node #0,0,2: 78:[39, 2] Operation: 22/11=2 Moving to Node #0,0,2 Current State: 78:[39, 2], Operations: ['67-28=39', '22/11=2'] Exploring Operation: 39*2=78, Resulting Numbers: [78] 78,78 equal: Goal Reached
0.926215
hs_5
sum_heuristic
[ 13, 28, 10, 80 ]
78
[ "13*10=130", "80-28=52", "130-52=78" ]
Current State: 78:[13, 28, 10, 80], Operations: [] Exploring Operation: 13*10=130, Resulting Numbers: [28, 80, 130] Generated Node #2: [28, 80, 130] from Operation: 13*10=130 Current State: 78:[28, 80, 130], Operations: ['13*10=130'] Exploring Operation: 80-28=52, Resulting Numbers: [130, 52] Generated Node #3: [130, 52] from Operation: 80-28=52 Current State: 78:[130, 52], Operations: ['13*10=130', '80-28=52'] Exploring Operation: 130-52=78, Resulting Numbers: [78] 78,78 equal: Goal Reached
4
Current State: 78:[13, 28, 10, 80], Operations: [] Exploring Operation: 13+28=41, Resulting Numbers: [10, 80, 41] Generated Node #0,0: 78:[10, 80, 41] Operation: 13+28=41 Exploring Operation: 13-10=3, Resulting Numbers: [28, 80, 3] Generated Node #0,1: 78:[28, 80, 3] Operation: 13-10=3 Exploring Operation: 28+10=38, Resulting Numbers: [13, 80, 38] Generated Node #0,2: 78:[13, 80, 38] Operation: 28+10=38 Exploring Operation: 80/10=8, Resulting Numbers: [13, 28, 8] Generated Node #0,3: 78:[13, 28, 8] Operation: 80/10=8 Start Sub Search at level 1: Moving to Node #0,2 Current State: 78:[13, 80, 38], Operations: ['28+10=38'] Exploring Operation: 38-13=25, Resulting Numbers: [80, 25] Generated Node #0,2,0: 78:[80, 25] Operation: 38-13=25 Exploring Operation: 80-38=42, Resulting Numbers: [13, 42] Generated Node #0,2,1: 78:[13, 42] Operation: 80-38=42 Exploring Operation: 13+38=51, Resulting Numbers: [80, 51] Generated Node #0,2,2: 78:[80, 51] Operation: 13+38=51 Exploring Operation: 80-13=67, Resulting Numbers: [38, 67] Generated Node #0,2,3: 78:[38, 67] Operation: 80-13=67 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 78:[80, 25], Operations: ['28+10=38', '38-13=25'] Exploring Operation: 80*25=2000, Resulting Numbers: [2000] 2000,78 unequal: No Solution Exploring Operation: 80+25=105, Resulting Numbers: [105] 105,78 unequal: No Solution Exploring Operation: 80-25=55, Resulting Numbers: [55] 55,78 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 78:[13, 42], Operations: ['28+10=38', '80-38=42'] Exploring Operation: 42-13=29, Resulting Numbers: [29] 29,78 unequal: No Solution Exploring Operation: 13*42=546, Resulting Numbers: [546] 546,78 unequal: No Solution Exploring Operation: 13+42=55, Resulting Numbers: [55] 55,78 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 78:[38, 67], Operations: ['28+10=38', '80-13=67'] Exploring Operation: 38*67=2546, Resulting Numbers: [2546] 2546,78 unequal: No Solution Exploring Operation: 38+67=105, Resulting Numbers: [105] 105,78 unequal: No Solution Exploring Operation: 67-38=29, Resulting Numbers: [29] 29,78 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 78:[80, 51], Operations: ['28+10=38', '13+38=51'] Exploring Operation: 80*51=4080, Resulting Numbers: [4080] 4080,78 unequal: No Solution Exploring Operation: 80+51=131, Resulting Numbers: [131] 131,78 unequal: No Solution Exploring Operation: 80-51=29, Resulting Numbers: [29] 29,78 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 78:[28, 80, 3], Operations: ['13-10=3'] Exploring Operation: 80-3=77, Resulting Numbers: [28, 77] Generated Node #0,1,0: 78:[28, 77] Operation: 80-3=77 Exploring Operation: 80+3=83, Resulting Numbers: [28, 83] Generated Node #0,1,1: 78:[28, 83] Operation: 80+3=83 Exploring Operation: 28-3=25, Resulting Numbers: [80, 25] Generated Node #0,1,2: 78:[80, 25] Operation: 28-3=25 Exploring Operation: 28+3=31, Resulting Numbers: [80, 31] Generated Node #0,1,3: 78:[80, 31] Operation: 28+3=31 Moving to Node #0,1,0 Current State: 78:[28, 77], Operations: ['13-10=3', '80-3=77'] Exploring Operation: 77-28=49, Resulting Numbers: [49] 49,78 unequal: No Solution Exploring Operation: 28+77=105, Resulting Numbers: [105] 105,78 unequal: No Solution Exploring Operation: 28*77=2156, Resulting Numbers: [2156] 2156,78 unequal: No Solution Moving to Node #0,1,2 Current State: 78:[80, 25], Operations: ['13-10=3', '28-3=25'] Exploring Operation: 80*25=2000, Resulting Numbers: [2000] 2000,78 unequal: No Solution Exploring Operation: 80-25=55, Resulting Numbers: [55] 55,78 unequal: No Solution Exploring Operation: 80+25=105, Resulting Numbers: [105] 105,78 unequal: No Solution Moving to Node #0,1,3 Current State: 78:[80, 31], Operations: ['13-10=3', '28+3=31'] Exploring Operation: 80+31=111, Resulting Numbers: [111] 111,78 unequal: No Solution Exploring Operation: 80-31=49, Resulting Numbers: [49] 49,78 unequal: No Solution Exploring Operation: 80*31=2480, Resulting Numbers: [2480] 2480,78 unequal: No Solution Moving to Node #0,1,1 Current State: 78:[28, 83], Operations: ['13-10=3', '80+3=83'] Exploring Operation: 83-28=55, Resulting Numbers: [55] 55,78 unequal: No Solution Exploring Operation: 28+83=111, Resulting Numbers: [111] 111,78 unequal: No Solution Exploring Operation: 28*83=2324, Resulting Numbers: [2324] 2324,78 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 78:[13, 28, 8], Operations: ['80/10=8'] Exploring Operation: 13-8=5, Resulting Numbers: [28, 5] Generated Node #0,3,0: 78:[28, 5] Operation: 13-8=5 Exploring Operation: 28-13=15, Resulting Numbers: [8, 15] Generated Node #0,3,1: 78:[8, 15] Operation: 28-13=15 Exploring Operation: 13+28=41, Resulting Numbers: [8, 41] Generated Node #0,3,2: 78:[8, 41] Operation: 13+28=41 Exploring Operation: 28+8=36, Resulting Numbers: [13, 36] Generated Node #0,3,3: 78:[13, 36] Operation: 28+8=36 Moving to Node #0,3,0 Current State: 78:[28, 5], Operations: ['80/10=8', '13-8=5'] Exploring Operation: 28+5=33, Resulting Numbers: [33] 33,78 unequal: No Solution Exploring Operation: 28-5=23, Resulting Numbers: [23] 23,78 unequal: No Solution Exploring Operation: 28*5=140, Resulting Numbers: [140] 140,78 unequal: No Solution Moving to Node #0,3,3 Current State: 78:[13, 36], Operations: ['80/10=8', '28+8=36'] Exploring Operation: 13*36=468, Resulting Numbers: [468] 468,78 unequal: No Solution Exploring Operation: 13+36=49, Resulting Numbers: [49] 49,78 unequal: No Solution Exploring Operation: 36-13=23, Resulting Numbers: [23] 23,78 unequal: No Solution Moving to Node #0,3,2 Current State: 78:[8, 41], Operations: ['80/10=8', '13+28=41'] Exploring Operation: 8*41=328, Resulting Numbers: [328] 328,78 unequal: No Solution Exploring Operation: 8+41=49, Resulting Numbers: [49] 49,78 unequal: No Solution Exploring Operation: 41-8=33, Resulting Numbers: [33] 33,78 unequal: No Solution Moving to Node #0,3,1 Current State: 78:[8, 15], Operations: ['80/10=8', '28-13=15'] Exploring Operation: 8+15=23, Resulting Numbers: [23] 23,78 unequal: No Solution Exploring Operation: 15-8=7, Resulting Numbers: [7] 7,78 unequal: No Solution Exploring Operation: 8*15=120, Resulting Numbers: [120] 120,78 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 78:[10, 80, 41], Operations: ['13+28=41'] Exploring Operation: 41-10=31, Resulting Numbers: [80, 31] Generated Node #0,0,0: 78:[80, 31] Operation: 41-10=31 Exploring Operation: 80/10=8, Resulting Numbers: [41, 8] Generated Node #0,0,1: 78:[41, 8] Operation: 80/10=8 Exploring Operation: 80-41=39, Resulting Numbers: [10, 39] Generated Node #0,0,2: 78:[10, 39] Operation: 80-41=39 Exploring Operation: 80-10=70, Resulting Numbers: [41, 70] Generated Node #0,0,3: 78:[41, 70] Operation: 80-10=70 Moving to Node #0,0,2 Current State: 78:[10, 39], Operations: ['13+28=41', '80-41=39'] Exploring Operation: 39-10=29, Resulting Numbers: [29] 29,78 unequal: No Solution Exploring Operation: 10+39=49, Resulting Numbers: [49] 49,78 unequal: No Solution Exploring Operation: 10*39=390, Resulting Numbers: [390] 390,78 unequal: No Solution Moving to Node #0,0,1 Current State: 78:[41, 8], Operations: ['13+28=41', '80/10=8'] Exploring Operation: 41*8=328, Resulting Numbers: [328] 328,78 unequal: No Solution Exploring Operation: 41-8=33, Resulting Numbers: [33] 33,78 unequal: No Solution Exploring Operation: 41+8=49, Resulting Numbers: [49] 49,78 unequal: No Solution Moving to Node #0,0,0 Current State: 78:[80, 31], Operations: ['13+28=41', '41-10=31'] Exploring Operation: 80-31=49, Resulting Numbers: [49] 49,78 unequal: No Solution Exploring Operation: 80+31=111, Resulting Numbers: [111] 111,78 unequal: No Solution Exploring Operation: 80*31=2480, Resulting Numbers: [2480] 2480,78 unequal: No Solution Moving to Node #0,0,3 Current State: 78:[41, 70], Operations: ['13+28=41', '80-10=70'] Exploring Operation: 41+70=111, Resulting Numbers: [111] 111,78 unequal: No Solution Exploring Operation: 41*70=2870, Resulting Numbers: [2870] 2870,78 unequal: No Solution Exploring Operation: 70-41=29, Resulting Numbers: [29] 29,78 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
sum_heuristic
[ 4, 22, 7, 86 ]
53
[ "4+22=26", "86-7=79", "79-26=53" ]
Current State: 53:[4, 22, 7, 86], Operations: [] Exploring Operation: 4+22=26, Resulting Numbers: [7, 86, 26] Generated Node #2: [7, 86, 26] from Operation: 4+22=26 Current State: 53:[7, 86, 26], Operations: ['4+22=26'] Exploring Operation: 86-7=79, Resulting Numbers: [26, 79] Generated Node #3: [26, 79] from Operation: 86-7=79 Current State: 53:[26, 79], Operations: ['4+22=26', '86-7=79'] Exploring Operation: 79-26=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[4, 22, 7, 86], Operations: [] Exploring Operation: 4+22=26, Resulting Numbers: [7, 86, 26] Generated Node #0,0: 53:[7, 86, 26] Operation: 4+22=26 Exploring Operation: 4*7=28, Resulting Numbers: [22, 86, 28] Generated Node #0,1: 53:[22, 86, 28] Operation: 4*7=28 Exploring Operation: 4+7=11, Resulting Numbers: [22, 86, 11] Generated Node #0,2: 53:[22, 86, 11] Operation: 4+7=11 Moving to Node #0,1 Current State: 53:[22, 86, 28], Operations: ['4*7=28'] Exploring Operation: 22+28=50, Resulting Numbers: [86, 50] Generated Node #0,1,0: 53:[86, 50] Operation: 22+28=50 Exploring Operation: 86-22=64, Resulting Numbers: [28, 64] Generated Node #0,1,1: 53:[28, 64] Operation: 86-22=64 Exploring Operation: 86-28=58, Resulting Numbers: [22, 58] Generated Node #0,1,2: 53:[22, 58] Operation: 86-28=58 Moving to Node #0,0 Current State: 53:[7, 86, 26], Operations: ['4+22=26'] Exploring Operation: 86-7=79, Resulting Numbers: [26, 79] Generated Node #0,0,0: 53:[26, 79] Operation: 86-7=79 Exploring Operation: 86-26=60, Resulting Numbers: [7, 60] Generated Node #0,0,1: 53:[7, 60] Operation: 86-26=60 Exploring Operation: 7+26=33, Resulting Numbers: [86, 33] Generated Node #0,0,2: 53:[86, 33] Operation: 7+26=33 Moving to Node #0,2 Current State: 53:[22, 86, 11], Operations: ['4+7=11'] Exploring Operation: 86-11=75, Resulting Numbers: [22, 75] Generated Node #0,2,0: 53:[22, 75] Operation: 86-11=75 Exploring Operation: 86-22=64, Resulting Numbers: [11, 64] Generated Node #0,2,1: 53:[11, 64] Operation: 86-22=64 Exploring Operation: 22+11=33, Resulting Numbers: [86, 33] Generated Node #0,2,2: 53:[86, 33] Operation: 22+11=33 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 53:[22, 75], Operations: ['4+7=11', '86-11=75'] Exploring Operation: 75-22=53, Resulting Numbers: [53] 53,53 equal: Goal Reached Moving to Node #0 Current State: 53:[4, 22, 7, 86], Operations: [] Exploring Operation: 4+7=11, Resulting Numbers: [22, 86, 11] Generated Node #0,2: 53:[22, 86, 11] Operation: 4+7=11 Moving to Node #0,2 Current State: 53:[22, 86, 11], Operations: ['4+7=11'] Exploring Operation: 86-11=75, Resulting Numbers: [22, 75] Generated Node #0,2,0: 53:[22, 75] Operation: 86-11=75 Moving to Node #0,2,0 Current State: 53:[22, 75], Operations: ['4+7=11', '86-11=75'] Exploring Operation: 75-22=53, Resulting Numbers: [53] 53,53 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_3
mult_heuristic
[ 82, 53, 54, 32 ]
92
[ "53*54=2862", "82+2862=2944", "2944/32=92" ]
Current State: 92:[82, 53, 54, 32], Operations: [] Exploring Operation: 53*54=2862, Resulting Numbers: [82, 32, 2862] Generated Node #2: [82, 32, 2862] from Operation: 53*54=2862 Current State: 92:[82, 32, 2862], Operations: ['53*54=2862'] Exploring Operation: 82+2862=2944, Resulting Numbers: [32, 2944] Generated Node #3: [32, 2944] from Operation: 82+2862=2944 Current State: 92:[32, 2944], Operations: ['53*54=2862', '82+2862=2944'] Exploring Operation: 2944/32=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
4
Current State: 92:[82, 53, 54, 32], Operations: [] Exploring Operation: 82-32=50, Resulting Numbers: [53, 54, 50] Generated Node #0,0: 92:[53, 54, 50] Operation: 82-32=50 Exploring Operation: 54-32=22, Resulting Numbers: [82, 53, 22] Generated Node #0,1: 92:[82, 53, 22] Operation: 54-32=22 Moving to Node #0,1 Current State: 92:[82, 53, 22], Operations: ['54-32=22'] Exploring Operation: 53-22=31, Resulting Numbers: [82, 31] Generated Node #0,1,0: 92:[82, 31] Operation: 53-22=31 Exploring Operation: 82-53=29, Resulting Numbers: [22, 29] Generated Node #0,1,1: 92:[22, 29] Operation: 82-53=29 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 92:[22, 29], Operations: ['54-32=22', '82-53=29'] Exploring Operation: 29-22=7, Resulting Numbers: [7] 7,92 unequal: No Solution Exploring Operation: 22+29=51, Resulting Numbers: [51] 51,92 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 #0,1,0 Current State: 92:[82, 31], Operations: ['54-32=22', '53-22=31'] Exploring Operation: 82+31=113, Resulting Numbers: [113] 113,92 unequal: No Solution Exploring Operation: 82-31=51, Resulting Numbers: [51] 51,92 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: 92:[53, 54, 50], Operations: ['82-32=50'] Exploring Operation: 54-53=1, Resulting Numbers: [50, 1] Generated Node #0,0,0: 92:[50, 1] Operation: 54-53=1 Exploring Operation: 54-50=4, Resulting Numbers: [53, 4] Generated Node #0,0,1: 92:[53, 4] Operation: 54-50=4 Moving to Node #0,0,0 Current State: 92:[50, 1], Operations: ['82-32=50', '54-53=1'] Exploring Operation: 50-1=49, Resulting Numbers: [49] 49,92 unequal: No Solution Exploring Operation: 50*1=50, Resulting Numbers: [50] 50,92 unequal: No Solution Moving to Node #0,0,1 Current State: 92:[53, 4], Operations: ['82-32=50', '54-50=4'] Exploring Operation: 53-4=49, Resulting Numbers: [49] 49,92 unequal: No Solution Exploring Operation: 53+4=57, Resulting Numbers: [57] 57,92 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 42, 65, 59, 54 ]
28
[ "65-42=23", "59-54=5", "23+5=28" ]
Current State: 28:[42, 65, 59, 54], Operations: [] Exploring Operation: 65-42=23, Resulting Numbers: [59, 54, 23] Generated Node #2: [59, 54, 23] from Operation: 65-42=23 Current State: 28:[59, 54, 23], Operations: ['65-42=23'] Exploring Operation: 59-54=5, Resulting Numbers: [23, 5] Generated Node #3: [23, 5] from Operation: 59-54=5 Current State: 28:[23, 5], Operations: ['65-42=23', '59-54=5'] Exploring Operation: 23+5=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
4
Current State: 28:[42, 65, 59, 54], Operations: [] Exploring Operation: 65-59=6, Resulting Numbers: [42, 54, 6] Generated Node #0,0: 28:[42, 54, 6] Operation: 65-59=6 Exploring Operation: 59-54=5, Resulting Numbers: [42, 65, 5] Generated Node #0,1: 28:[42, 65, 5] Operation: 59-54=5 Exploring Operation: 65-54=11, Resulting Numbers: [42, 59, 11] Generated Node #0,2: 28:[42, 59, 11] Operation: 65-54=11 Moving to Node #0,0 Current State: 28:[42, 54, 6], Operations: ['65-59=6'] Exploring Operation: 42/6=7, Resulting Numbers: [54, 7] Generated Node #0,0,0: 28:[54, 7] Operation: 42/6=7 Exploring Operation: 54/6=9, Resulting Numbers: [42, 9] Generated Node #0,0,1: 28:[42, 9] Operation: 54/6=9 Exploring Operation: 54-42=12, Resulting Numbers: [6, 12] Generated Node #0,0,2: 28:[6, 12] Operation: 54-42=12 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 28:[6, 12], Operations: ['65-59=6', '54-42=12'] Exploring Operation: 12-6=6, Resulting Numbers: [6] 6,28 unequal: No Solution Exploring Operation: 12/6=2, Resulting Numbers: [2] 2,28 unequal: No Solution Exploring Operation: 6+12=18, Resulting Numbers: [18] 18,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 28:[42, 9], Operations: ['65-59=6', '54/6=9'] Exploring Operation: 42-9=33, Resulting Numbers: [33] 33,28 unequal: No Solution Exploring Operation: 42*9=378, Resulting Numbers: [378] 378,28 unequal: No Solution Exploring Operation: 42+9=51, Resulting Numbers: [51] 51,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 28:[54, 7], Operations: ['65-59=6', '42/6=7'] Exploring Operation: 54-7=47, Resulting Numbers: [47] 47,28 unequal: No Solution Exploring Operation: 54*7=378, Resulting Numbers: [378] 378,28 unequal: No Solution Exploring Operation: 54+7=61, Resulting Numbers: [61] 61,28 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: 28:[42, 59, 11], Operations: ['65-54=11'] Exploring Operation: 59-42=17, Resulting Numbers: [11, 17] Generated Node #0,2,0: 28:[11, 17] Operation: 59-42=17 Exploring Operation: 42-11=31, Resulting Numbers: [59, 31] Generated Node #0,2,1: 28:[59, 31] Operation: 42-11=31 Exploring Operation: 59-11=48, Resulting Numbers: [42, 48] Generated Node #0,2,2: 28:[42, 48] Operation: 59-11=48 Moving to Node #0,1 Current State: 28:[42, 65, 5], Operations: ['59-54=5'] Exploring Operation: 42-5=37, Resulting Numbers: [65, 37] Generated Node #0,1,0: 28:[65, 37] Operation: 42-5=37 Exploring Operation: 65/5=13, Resulting Numbers: [42, 13] Generated Node #0,1,1: 28:[42, 13] Operation: 65/5=13 Exploring Operation: 65-42=23, Resulting Numbers: [5, 23] Generated Node #0,1,2: 28:[5, 23] Operation: 65-42=23 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 28:[5, 23], Operations: ['59-54=5', '65-42=23'] Exploring Operation: 5*23=115, Resulting Numbers: [115] 115,28 unequal: No Solution Exploring Operation: 5+23=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Moving to Node #0 Current State: 28:[42, 65, 59, 54], Operations: [] Exploring Operation: 59-54=5, Resulting Numbers: [42, 65, 5] Generated Node #0,1: 28:[42, 65, 5] Operation: 59-54=5 Moving to Node #0,1 Current State: 28:[42, 65, 5], Operations: ['59-54=5'] Exploring Operation: 65-42=23, Resulting Numbers: [5, 23] Generated Node #0,1,2: 28:[5, 23] Operation: 65-42=23 Moving to Node #0,1,2 Current State: 28:[5, 23], Operations: ['59-54=5', '65-42=23'] Exploring Operation: 5+23=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Exit Sub Search at level 1
0.976563
hs_3
mult_heuristic
[ 79, 69, 5, 43 ]
93
[ "79-69=10", "5*10=50", "43+50=93" ]
Current State: 93:[79, 69, 5, 43], Operations: [] Exploring Operation: 79-69=10, Resulting Numbers: [5, 43, 10] Generated Node #2: [5, 43, 10] from Operation: 79-69=10 Current State: 93:[5, 43, 10], Operations: ['79-69=10'] Exploring Operation: 5*10=50, Resulting Numbers: [43, 50] Generated Node #3: [43, 50] from Operation: 5*10=50 Current State: 93:[43, 50], Operations: ['79-69=10', '5*10=50'] Exploring Operation: 43+50=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
4
Current State: 93:[79, 69, 5, 43], Operations: [] Exploring Operation: 79-43=36, Resulting Numbers: [69, 5, 36] Generated Node #0,0: 93:[69, 5, 36] Operation: 79-43=36 Exploring Operation: 69-43=26, Resulting Numbers: [79, 5, 26] Generated Node #0,1: 93:[79, 5, 26] Operation: 69-43=26 Exploring Operation: 79-69=10, Resulting Numbers: [5, 43, 10] Generated Node #0,2: 93:[5, 43, 10] Operation: 79-69=10 Moving to Node #0,1 Current State: 93:[79, 5, 26], Operations: ['69-43=26'] Exploring Operation: 79+26=105, Resulting Numbers: [5, 105] Generated Node #0,1,0: 93:[5, 105] Operation: 79+26=105 Exploring Operation: 5+26=31, Resulting Numbers: [79, 31] Generated Node #0,1,1: 93:[79, 31] Operation: 5+26=31 Exploring Operation: 79+5=84, Resulting Numbers: [26, 84] Generated Node #0,1,2: 93:[26, 84] Operation: 79+5=84 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 93:[5, 105], Operations: ['69-43=26', '79+26=105'] Exploring Operation: 5+105=110, Resulting Numbers: [110] 110,93 unequal: No Solution Exploring Operation: 105/5=21, Resulting Numbers: [21] 21,93 unequal: No Solution Exploring Operation: 105-5=100, Resulting Numbers: [100] 100,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 93:[79, 31], Operations: ['69-43=26', '5+26=31'] Exploring Operation: 79+31=110, Resulting Numbers: [110] 110,93 unequal: No Solution Exploring Operation: 79*31=2449, Resulting Numbers: [2449] 2449,93 unequal: No Solution Exploring Operation: 79-31=48, Resulting Numbers: [48] 48,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 93:[26, 84], Operations: ['69-43=26', '79+5=84'] Exploring Operation: 84-26=58, Resulting Numbers: [58] 58,93 unequal: No Solution Exploring Operation: 26+84=110, Resulting Numbers: [110] 110,93 unequal: No Solution Exploring Operation: 26*84=2184, Resulting Numbers: [2184] 2184,93 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: 93:[5, 43, 10], Operations: ['79-69=10'] Exploring Operation: 10/5=2, Resulting Numbers: [43, 2] Generated Node #0,2,0: 93:[43, 2] Operation: 10/5=2 Exploring Operation: 43-5=38, Resulting Numbers: [10, 38] Generated Node #0,2,1: 93:[10, 38] Operation: 43-5=38 Exploring Operation: 43-10=33, Resulting Numbers: [5, 33] Generated Node #0,2,2: 93:[5, 33] Operation: 43-10=33 Moving to Node #0,0 Current State: 93:[69, 5, 36], Operations: ['79-43=36'] Exploring Operation: 69+36=105, Resulting Numbers: [5, 105] Generated Node #0,0,0: 93:[5, 105] Operation: 69+36=105 Exploring Operation: 69-36=33, Resulting Numbers: [5, 33] Generated Node #0,0,1: 93:[5, 33] Operation: 69-36=33 Exploring Operation: 69+5=74, Resulting Numbers: [36, 74] Generated Node #0,0,2: 93:[36, 74] Operation: 69+5=74 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 93:[5, 33], Operations: ['79-43=36', '69-36=33'] Exploring Operation: 5*33=165, Resulting Numbers: [165] 165,93 unequal: No Solution Exploring Operation: 5+33=38, Resulting Numbers: [38] 38,93 unequal: No Solution Exploring Operation: 33-5=28, Resulting Numbers: [28] 28,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 93:[5, 105], Operations: ['79-43=36', '69+36=105'] Exploring Operation: 105/5=21, Resulting Numbers: [21] 21,93 unequal: No Solution Exploring Operation: 5+105=110, Resulting Numbers: [110] 110,93 unequal: No Solution Exploring Operation: 105-5=100, Resulting Numbers: [100] 100,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 93:[36, 74], Operations: ['79-43=36', '69+5=74'] Exploring Operation: 36+74=110, Resulting Numbers: [110] 110,93 unequal: No Solution Exploring Operation: 36*74=2664, Resulting Numbers: [2664] 2664,93 unequal: No Solution Exploring Operation: 74-36=38, Resulting Numbers: [38] 38,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2,2 Current State: 93:[5, 33], Operations: ['79-69=10', '43-10=33'] Exploring Operation: 33-5=28, Resulting Numbers: [28] 28,93 unequal: No Solution Exploring Operation: 5*33=165, Resulting Numbers: [165] 165,93 unequal: No Solution Exploring Operation: 5+33=38, Resulting Numbers: [38] 38,93 unequal: No Solution Moving to Node #0,2,0 Current State: 93:[43, 2], Operations: ['79-69=10', '10/5=2'] Exploring Operation: 43+2=45, Resulting Numbers: [45] 45,93 unequal: No Solution Exploring Operation: 43-2=41, Resulting Numbers: [41] 41,93 unequal: No Solution Exploring Operation: 43*2=86, Resulting Numbers: [86] 86,93 unequal: No Solution Moving to Node #0,2,1 Current State: 93:[10, 38], Operations: ['79-69=10', '43-5=38'] Exploring Operation: 10+38=48, Resulting Numbers: [48] 48,93 unequal: No Solution Exploring Operation: 38-10=28, Resulting Numbers: [28] 28,93 unequal: No Solution Exploring Operation: 10*38=380, Resulting Numbers: [380] 380,93 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 11, 74, 11, 25 ]
33
[ "11*74=814", "11+814=825", "825/25=33" ]
Current State: 33:[11, 74, 11, 25], Operations: [] Exploring Operation: 11*74=814, Resulting Numbers: [25, 814] Generated Node #2: [25, 814] from Operation: 11*74=814 Current State: 33:[25, 814], Operations: ['11*74=814'] Exploring Operation: 11+814=825, Resulting Numbers: [25, 825] Generated Node #3: [25, 825] from Operation: 11+814=825 Current State: 33:[25, 825], Operations: ['11*74=814', '11+814=825'] Exploring Operation: 825/25=33, Resulting Numbers: [33] 33,33 equal: Goal Reached
4
Current State: 33:[11, 74, 11, 25], Operations: [] Exploring Operation: 74-25=49, Resulting Numbers: [11, 11, 49] Generated Node #0,0: 33:[11, 11, 49] Operation: 74-25=49 Exploring Operation: 74-11=63, Resulting Numbers: [11, 25, 63] Generated Node #0,1: 33:[11, 25, 63] Operation: 74-11=63 Exploring Operation: 74-11=63, Resulting Numbers: [11, 25, 63] Generated Node #0,2: 33:[11, 25, 63] Operation: 74-11=63 Exploring Operation: 11+25=36, Resulting Numbers: [74, 11, 36] Generated Node #0,3: 33:[74, 11, 36] Operation: 11+25=36 Moving to Node #0,0 Current State: 33:[11, 11, 49], Operations: ['74-25=49'] Exploring Operation: 49-11=38, Resulting Numbers: [11, 38] Generated Node #0,0,0: 33:[11, 38] Operation: 49-11=38 Exploring Operation: 11-11=0, Resulting Numbers: [49, 0] Generated Node #0,0,1: 33:[49, 0] Operation: 11-11=0 Exploring Operation: 49-11=38, Resulting Numbers: [11, 38] Generated Node #0,0,2: 33:[11, 38] Operation: 49-11=38 Exploring Operation: 11/11=1, Resulting Numbers: [49, 1] Generated Node #0,0,3: 33:[49, 1] Operation: 11/11=1 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 33:[11, 38], Operations: ['74-25=49', '49-11=38'] Exploring Operation: 11+38=49, Resulting Numbers: [49] 49,33 unequal: No Solution Exploring Operation: 38-11=27, Resulting Numbers: [27] 27,33 unequal: No Solution Exploring Operation: 11*38=418, Resulting Numbers: [418] 418,33 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:[11, 38], Operations: ['74-25=49', '49-11=38'] Exploring Operation: 11*38=418, Resulting Numbers: [418] 418,33 unequal: No Solution Exploring Operation: 38-11=27, Resulting Numbers: [27] 27,33 unequal: No Solution Exploring Operation: 11+38=49, Resulting Numbers: [49] 49,33 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:[49, 1], Operations: ['74-25=49', '11/11=1'] Exploring Operation: 49+1=50, Resulting Numbers: [50] 50,33 unequal: No Solution Exploring Operation: 49/1=49, Resulting Numbers: [49] 49,33 unequal: No Solution Exploring Operation: 49-1=48, Resulting Numbers: [48] 48,33 unequal: No Solution Exploring Operation: 49*1=49, Resulting Numbers: [49] 49,33 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 #0,0,1 Current State: 33:[49, 0], Operations: ['74-25=49', '11-11=0'] Exploring Operation: 49*0=0, Resulting Numbers: [0] 0,33 unequal: No Solution Exploring Operation: 49+0=49, Resulting Numbers: [49] 49,33 unequal: No Solution Exploring Operation: 49-0=49, Resulting Numbers: [49] 49,33 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: 33:[11, 25, 63], Operations: ['74-11=63'] Exploring Operation: 11+25=36, Resulting Numbers: [63, 36] Generated Node #0,2,0: 33:[63, 36] Operation: 11+25=36 Exploring Operation: 25-11=14, Resulting Numbers: [63, 14] Generated Node #0,2,1: 33:[63, 14] Operation: 25-11=14 Exploring Operation: 63-25=38, Resulting Numbers: [11, 38] Generated Node #0,2,2: 33:[11, 38] Operation: 63-25=38 Exploring Operation: 63-11=52, Resulting Numbers: [25, 52] Generated Node #0,2,3: 33:[25, 52] Operation: 63-11=52 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 33:[11, 38], Operations: ['74-11=63', '63-25=38'] Exploring Operation: 11*38=418, Resulting Numbers: [418] 418,33 unequal: No Solution Exploring Operation: 11+38=49, Resulting Numbers: [49] 49,33 unequal: No Solution Exploring Operation: 38-11=27, Resulting Numbers: [27] 27,33 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:[25, 52], Operations: ['74-11=63', '63-11=52'] Exploring Operation: 25*52=1300, Resulting Numbers: [1300] 1300,33 unequal: No Solution Exploring Operation: 25+52=77, Resulting Numbers: [77] 77,33 unequal: No Solution Exploring Operation: 52-25=27, Resulting Numbers: [27] 27,33 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:[63, 36], Operations: ['74-11=63', '11+25=36'] Exploring Operation: 63+36=99, Resulting Numbers: [99] 99,33 unequal: No Solution Exploring Operation: 63-36=27, Resulting Numbers: [27] 27,33 unequal: No Solution Exploring Operation: 63*36=2268, Resulting Numbers: [2268] 2268,33 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:[63, 14], Operations: ['74-11=63', '25-11=14'] Exploring Operation: 63+14=77, Resulting Numbers: [77] 77,33 unequal: No Solution Exploring Operation: 63*14=882, Resulting Numbers: [882] 882,33 unequal: No Solution Exploring Operation: 63-14=49, Resulting Numbers: [49] 49,33 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:[11, 25, 63], Operations: ['74-11=63'] Exploring Operation: 63-25=38, Resulting Numbers: [11, 38] Generated Node #0,1,0: 33:[11, 38] Operation: 63-25=38 Exploring Operation: 11+25=36, Resulting Numbers: [63, 36] Generated Node #0,1,1: 33:[63, 36] Operation: 11+25=36 Exploring Operation: 25-11=14, Resulting Numbers: [63, 14] Generated Node #0,1,2: 33:[63, 14] Operation: 25-11=14 Exploring Operation: 63-11=52, Resulting Numbers: [25, 52] Generated Node #0,1,3: 33:[25, 52] Operation: 63-11=52 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 33:[11, 38], Operations: ['74-11=63', '63-25=38'] Exploring Operation: 38-11=27, Resulting Numbers: [27] 27,33 unequal: No Solution Exploring Operation: 11+38=49, Resulting Numbers: [49] 49,33 unequal: No Solution Exploring Operation: 11*38=418, Resulting Numbers: [418] 418,33 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:[25, 52], Operations: ['74-11=63', '63-11=52'] Exploring Operation: 25+52=77, Resulting Numbers: [77] 77,33 unequal: No Solution Exploring Operation: 52-25=27, Resulting Numbers: [27] 27,33 unequal: No Solution Exploring Operation: 25*52=1300, Resulting Numbers: [1300] 1300,33 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 #0,1,1 Current State: 33:[63, 36], Operations: ['74-11=63', '11+25=36'] Exploring Operation: 63-36=27, Resulting Numbers: [27] 27,33 unequal: No Solution Exploring Operation: 63+36=99, Resulting Numbers: [99] 99,33 unequal: No Solution Exploring Operation: 63*36=2268, Resulting Numbers: [2268] 2268,33 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:[63, 14], Operations: ['74-11=63', '25-11=14'] Exploring Operation: 63-14=49, Resulting Numbers: [49] 49,33 unequal: No Solution Exploring Operation: 63+14=77, Resulting Numbers: [77] 77,33 unequal: No Solution Exploring Operation: 63*14=882, Resulting Numbers: [882] 882,33 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:[74, 11, 36], Operations: ['11+25=36'] Exploring Operation: 74-36=38, Resulting Numbers: [11, 38] Generated Node #0,3,0: 33:[11, 38] Operation: 74-36=38 Exploring Operation: 74+11=85, Resulting Numbers: [36, 85] Generated Node #0,3,1: 33:[36, 85] Operation: 74+11=85 Exploring Operation: 36-11=25, Resulting Numbers: [74, 25] Generated Node #0,3,2: 33:[74, 25] Operation: 36-11=25 Exploring Operation: 74-11=63, Resulting Numbers: [36, 63] Generated Node #0,3,3: 33:[36, 63] Operation: 74-11=63 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 33:[11, 38], Operations: ['11+25=36', '74-36=38'] Exploring Operation: 11*38=418, Resulting Numbers: [418] 418,33 unequal: No Solution Exploring Operation: 38-11=27, Resulting Numbers: [27] 27,33 unequal: No Solution Exploring Operation: 11+38=49, Resulting Numbers: [49] 49,33 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:[36, 63], Operations: ['11+25=36', '74-11=63'] Exploring Operation: 36+63=99, Resulting Numbers: [99] 99,33 unequal: No Solution Exploring Operation: 36*63=2268, Resulting Numbers: [2268] 2268,33 unequal: No Solution Exploring Operation: 63-36=27, Resulting Numbers: [27] 27,33 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:[74, 25], Operations: ['11+25=36', '36-11=25'] Exploring Operation: 74+25=99, Resulting Numbers: [99] 99,33 unequal: No Solution Exploring Operation: 74*25=1850, Resulting Numbers: [1850] 1850,33 unequal: No Solution Exploring Operation: 74-25=49, Resulting Numbers: [49] 49,33 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:[36, 85], Operations: ['11+25=36', '74+11=85'] Exploring Operation: 85-36=49, Resulting Numbers: [49] 49,33 unequal: No Solution Exploring Operation: 36*85=3060, Resulting Numbers: [3060] 3060,33 unequal: No Solution Exploring Operation: 36+85=121, Resulting Numbers: [121] 121,33 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
[ 86, 7, 40, 42 ]
50
[ "42-40=2", "86/2=43", "7+43=50" ]
Current State: 50:[86, 7, 40, 42], Operations: [] Exploring Operation: 42-40=2, Resulting Numbers: [86, 7, 2] Generated Node #2: [86, 7, 2] from Operation: 42-40=2 Current State: 50:[86, 7, 2], Operations: ['42-40=2'] Exploring Operation: 86/2=43, Resulting Numbers: [7, 43] Generated Node #3: [7, 43] from Operation: 86/2=43 Current State: 50:[7, 43], Operations: ['42-40=2', '86/2=43'] Exploring Operation: 7+43=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[86, 7, 40, 42], Operations: [] Exploring Operation: 86-40=46, Resulting Numbers: [7, 42, 46] Generated Node #0,0: 50:[7, 42, 46] Operation: 86-40=46 Moving to Node #0,0 Current State: 50:[7, 42, 46], Operations: ['86-40=46'] Exploring Operation: 46-42=4, Resulting Numbers: [7, 4] Generated Node #0,0,0: 50:[7, 4] Operation: 46-42=4 Moving to Node #0,0,0 Current State: 50:[7, 4], Operations: ['86-40=46', '46-42=4'] Exploring Operation: 7+4=11, Resulting Numbers: [11] 11,50 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 68, 91, 79, 70 ]
28
[ "68*70=4760", "91+79=170", "4760/170=28" ]
Current State: 28:[68, 91, 79, 70], Operations: [] Exploring Operation: 68*70=4760, Resulting Numbers: [91, 79, 4760] Generated Node #2: [91, 79, 4760] from Operation: 68*70=4760 Current State: 28:[91, 79, 4760], Operations: ['68*70=4760'] Exploring Operation: 91+79=170, Resulting Numbers: [4760, 170] Generated Node #3: [4760, 170] from Operation: 91+79=170 Current State: 28:[4760, 170], Operations: ['68*70=4760', '91+79=170'] Exploring Operation: 4760/170=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
4
Current State: 28:[68, 91, 79, 70], Operations: [] Exploring Operation: 91-68=23, Resulting Numbers: [79, 70, 23] Generated Node #0,0: 28:[79, 70, 23] Operation: 91-68=23 Exploring Operation: 79-70=9, Resulting Numbers: [68, 91, 9] Generated Node #0,1: 28:[68, 91, 9] Operation: 79-70=9 Exploring Operation: 91-79=12, Resulting Numbers: [68, 70, 12] Generated Node #0,2: 28:[68, 70, 12] Operation: 91-79=12 Exploring Operation: 79-68=11, Resulting Numbers: [91, 70, 11] Generated Node #0,3: 28:[91, 70, 11] Operation: 79-68=11 Exploring Operation: 91-70=21, Resulting Numbers: [68, 79, 21] Generated Node #0,4: 28:[68, 79, 21] Operation: 91-70=21 Moving to Node #0,2 Current State: 28:[68, 70, 12], Operations: ['91-79=12'] Exploring Operation: 70-68=2, Resulting Numbers: [12, 2] Generated Node #0,2,0: 28:[12, 2] Operation: 70-68=2 Exploring Operation: 68-12=56, Resulting Numbers: [70, 56] Generated Node #0,2,1: 28:[70, 56] Operation: 68-12=56 Exploring Operation: 70-12=58, Resulting Numbers: [68, 58] Generated Node #0,2,2: 28:[68, 58] Operation: 70-12=58 Exploring Operation: 68+12=80, Resulting Numbers: [70, 80] Generated Node #0,2,3: 28:[70, 80] Operation: 68+12=80 Exploring Operation: 70+12=82, Resulting Numbers: [68, 82] Generated Node #0,2,4: 28:[68, 82] Operation: 70+12=82 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 28:[12, 2], Operations: ['91-79=12', '70-68=2'] Exploring Operation: 12/2=6, Resulting Numbers: [6] 6,28 unequal: No Solution Exploring Operation: 12-2=10, Resulting Numbers: [10] 10,28 unequal: No Solution Exploring Operation: 12*2=24, Resulting Numbers: [24] 24,28 unequal: No Solution Exploring Operation: 12+2=14, Resulting Numbers: [14] 14,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 28:[70, 56], Operations: ['91-79=12', '68-12=56'] Exploring Operation: 70*56=3920, Resulting Numbers: [3920] 3920,28 unequal: No Solution Exploring Operation: 70+56=126, Resulting Numbers: [126] 126,28 unequal: No Solution Exploring Operation: 70-56=14, Resulting Numbers: [14] 14,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 28:[68, 58], Operations: ['91-79=12', '70-12=58'] Exploring Operation: 68-58=10, Resulting Numbers: [10] 10,28 unequal: No Solution Exploring Operation: 68*58=3944, Resulting Numbers: [3944] 3944,28 unequal: No Solution Exploring Operation: 68+58=126, Resulting Numbers: [126] 126,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 28:[70, 80], Operations: ['91-79=12', '68+12=80'] Exploring Operation: 70+80=150, Resulting Numbers: [150] 150,28 unequal: No Solution Exploring Operation: 80-70=10, Resulting Numbers: [10] 10,28 unequal: No Solution Exploring Operation: 70*80=5600, Resulting Numbers: [5600] 5600,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 28:[68, 82], Operations: ['91-79=12', '70+12=82'] Exploring Operation: 68*82=5576, Resulting Numbers: [5576] 5576,28 unequal: No Solution Exploring Operation: 68+82=150, Resulting Numbers: [150] 150,28 unequal: No Solution Exploring Operation: 82-68=14, Resulting Numbers: [14] 14,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,4 Current State: 28:[68, 79, 21], Operations: ['91-70=21'] Exploring Operation: 68-21=47, Resulting Numbers: [79, 47] Generated Node #0,4,0: 28:[79, 47] Operation: 68-21=47 Exploring Operation: 68+21=89, Resulting Numbers: [79, 89] Generated Node #0,4,1: 28:[79, 89] Operation: 68+21=89 Exploring Operation: 79+21=100, Resulting Numbers: [68, 100] Generated Node #0,4,2: 28:[68, 100] Operation: 79+21=100 Exploring Operation: 79-21=58, Resulting Numbers: [68, 58] Generated Node #0,4,3: 28:[68, 58] Operation: 79-21=58 Exploring Operation: 79-68=11, Resulting Numbers: [21, 11] Generated Node #0,4,4: 28:[21, 11] Operation: 79-68=11 Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 28:[21, 11], Operations: ['91-70=21', '79-68=11'] Exploring Operation: 21+11=32, Resulting Numbers: [32] 32,28 unequal: No Solution Exploring Operation: 21*11=231, Resulting Numbers: [231] 231,28 unequal: No Solution Exploring Operation: 21-11=10, Resulting Numbers: [10] 10,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 28:[79, 47], Operations: ['91-70=21', '68-21=47'] Exploring Operation: 79-47=32, Resulting Numbers: [32] 32,28 unequal: No Solution Exploring Operation: 79+47=126, Resulting Numbers: [126] 126,28 unequal: No Solution Exploring Operation: 79*47=3713, Resulting Numbers: [3713] 3713,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 28:[68, 58], Operations: ['91-70=21', '79-21=58'] Exploring Operation: 68*58=3944, Resulting Numbers: [3944] 3944,28 unequal: No Solution Exploring Operation: 68-58=10, Resulting Numbers: [10] 10,28 unequal: No Solution Exploring Operation: 68+58=126, Resulting Numbers: [126] 126,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 28:[79, 89], Operations: ['91-70=21', '68+21=89'] Exploring Operation: 89-79=10, Resulting Numbers: [10] 10,28 unequal: No Solution Exploring Operation: 79*89=7031, Resulting Numbers: [7031] 7031,28 unequal: No Solution Exploring Operation: 79+89=168, Resulting Numbers: [168] 168,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 28:[68, 100], Operations: ['91-70=21', '79+21=100'] Exploring Operation: 68+100=168, Resulting Numbers: [168] 168,28 unequal: No Solution Exploring Operation: 100-68=32, Resulting Numbers: [32] 32,28 unequal: No Solution Exploring Operation: 68*100=6800, Resulting Numbers: [6800] 6800,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 28:[79, 70, 23], Operations: ['91-68=23'] Exploring Operation: 79-23=56, Resulting Numbers: [70, 56] Generated Node #0,0,0: 28:[70, 56] Operation: 79-23=56 Exploring Operation: 70-23=47, Resulting Numbers: [79, 47] Generated Node #0,0,1: 28:[79, 47] Operation: 70-23=47 Exploring Operation: 79-70=9, Resulting Numbers: [23, 9] Generated Node #0,0,2: 28:[23, 9] Operation: 79-70=9 Exploring Operation: 70+23=93, Resulting Numbers: [79, 93] Generated Node #0,0,3: 28:[79, 93] Operation: 70+23=93 Exploring Operation: 79+23=102, Resulting Numbers: [70, 102] Generated Node #0,0,4: 28:[70, 102] Operation: 79+23=102 Moving to Node #0,1 Current State: 28:[68, 91, 9], Operations: ['79-70=9'] Exploring Operation: 68+9=77, Resulting Numbers: [91, 77] Generated Node #0,1,0: 28:[91, 77] Operation: 68+9=77 Exploring Operation: 91+9=100, Resulting Numbers: [68, 100] Generated Node #0,1,1: 28:[68, 100] Operation: 91+9=100 Exploring Operation: 91-9=82, Resulting Numbers: [68, 82] Generated Node #0,1,2: 28:[68, 82] Operation: 91-9=82 Exploring Operation: 68-9=59, Resulting Numbers: [91, 59] Generated Node #0,1,3: 28:[91, 59] Operation: 68-9=59 Exploring Operation: 91-68=23, Resulting Numbers: [9, 23] Generated Node #0,1,4: 28:[9, 23] Operation: 91-68=23 Moving to Node #0,3 Current State: 28:[91, 70, 11], Operations: ['79-68=11'] Exploring Operation: 91-11=80, Resulting Numbers: [70, 80] Generated Node #0,3,0: 28:[70, 80] Operation: 91-11=80 Exploring Operation: 91-70=21, Resulting Numbers: [11, 21] Generated Node #0,3,1: 28:[11, 21] Operation: 91-70=21 Exploring Operation: 91+11=102, Resulting Numbers: [70, 102] Generated Node #0,3,2: 28:[70, 102] Operation: 91+11=102 Exploring Operation: 70-11=59, Resulting Numbers: [91, 59] Generated Node #0,3,3: 28:[91, 59] Operation: 70-11=59 Exploring Operation: 70+11=81, Resulting Numbers: [91, 81] Generated Node #0,3,4: 28:[91, 81] Operation: 70+11=81 Moving to Node #0,0,2 Current State: 28:[23, 9], Operations: ['91-68=23', '79-70=9'] Exploring Operation: 23+9=32, Resulting Numbers: [32] 32,28 unequal: No Solution Exploring Operation: 23-9=14, Resulting Numbers: [14] 14,28 unequal: No Solution Exploring Operation: 23*9=207, Resulting Numbers: [207] 207,28 unequal: No Solution Moving to Node #0,1,4 Current State: 28:[9, 23], Operations: ['79-70=9', '91-68=23'] Exploring Operation: 9*23=207, Resulting Numbers: [207] 207,28 unequal: No Solution Exploring Operation: 23-9=14, Resulting Numbers: [14] 14,28 unequal: No Solution Exploring Operation: 9+23=32, Resulting Numbers: [32] 32,28 unequal: No Solution Moving to Node #0,3,1 Current State: 28:[11, 21], Operations: ['79-68=11', '91-70=21'] Exploring Operation: 21-11=10, Resulting Numbers: [10] 10,28 unequal: No Solution Exploring Operation: 11*21=231, Resulting Numbers: [231] 231,28 unequal: No Solution Exploring Operation: 11+21=32, Resulting Numbers: [32] 32,28 unequal: No Solution Moving to Node #0,0,1 Current State: 28:[79, 47], Operations: ['91-68=23', '70-23=47'] Exploring Operation: 79+47=126, Resulting Numbers: [126] 126,28 unequal: No Solution Exploring Operation: 79-47=32, Resulting Numbers: [32] 32,28 unequal: No Solution Exploring Operation: 79*47=3713, Resulting Numbers: [3713] 3713,28 unequal: No Solution Moving to Node #0,0,0 Current State: 28:[70, 56], Operations: ['91-68=23', '79-23=56'] Exploring Operation: 70+56=126, Resulting Numbers: [126] 126,28 unequal: No Solution Exploring Operation: 70-56=14, Resulting Numbers: [14] 14,28 unequal: No Solution Exploring Operation: 70*56=3920, Resulting Numbers: [3920] 3920,28 unequal: No Solution Moving to Node #0,1,2 Current State: 28:[68, 82], Operations: ['79-70=9', '91-9=82'] Exploring Operation: 82-68=14, Resulting Numbers: [14] 14,28 unequal: No Solution Exploring Operation: 68*82=5576, Resulting Numbers: [5576] 5576,28 unequal: No Solution Exploring Operation: 68+82=150, Resulting Numbers: [150] 150,28 unequal: No Solution Moving to Node #0,3,3 Current State: 28:[91, 59], Operations: ['79-68=11', '70-11=59'] Exploring Operation: 91*59=5369, Resulting Numbers: [5369] 5369,28 unequal: No Solution Exploring Operation: 91+59=150, Resulting Numbers: [150] 150,28 unequal: No Solution Exploring Operation: 91-59=32, Resulting Numbers: [32] 32,28 unequal: No Solution Moving to Node #0,1,3 Current State: 28:[91, 59], Operations: ['79-70=9', '68-9=59'] Exploring Operation: 91+59=150, Resulting Numbers: [150] 150,28 unequal: No Solution Exploring Operation: 91*59=5369, Resulting Numbers: [5369] 5369,28 unequal: No Solution Exploring Operation: 91-59=32, Resulting Numbers: [32] 32,28 unequal: No Solution Moving to Node #0,3,0 Current State: 28:[70, 80], Operations: ['79-68=11', '91-11=80'] Exploring Operation: 80-70=10, Resulting Numbers: [10] 10,28 unequal: No Solution Exploring Operation: 70*80=5600, Resulting Numbers: [5600] 5600,28 unequal: No Solution Exploring Operation: 70+80=150, Resulting Numbers: [150] 150,28 unequal: No Solution Moving to Node #0,1,1 Current State: 28:[68, 100], Operations: ['79-70=9', '91+9=100'] Exploring Operation: 68*100=6800, Resulting Numbers: [6800] 6800,28 unequal: No Solution Exploring Operation: 100-68=32, Resulting Numbers: [32] 32,28 unequal: No Solution Exploring Operation: 68+100=168, Resulting Numbers: [168] 168,28 unequal: No Solution Moving to Node #0,1,0 Current State: 28:[91, 77], Operations: ['79-70=9', '68+9=77'] Exploring Operation: 91+77=168, Resulting Numbers: [168] 168,28 unequal: No Solution Exploring Operation: 91*77=7007, Resulting Numbers: [7007] 7007,28 unequal: No Solution Exploring Operation: 91-77=14, Resulting Numbers: [14] 14,28 unequal: No Solution Moving to Node #0,3,4 Current State: 28:[91, 81], Operations: ['79-68=11', '70+11=81'] Exploring Operation: 91+81=172, Resulting Numbers: [172] 172,28 unequal: No Solution Exploring Operation: 91*81=7371, Resulting Numbers: [7371] 7371,28 unequal: No Solution Exploring Operation: 91-81=10, Resulting Numbers: [10] 10,28 unequal: No Solution Moving to Node #0,3,2 Current State: 28:[70, 102], Operations: ['79-68=11', '91+11=102'] Exploring Operation: 102-70=32, Resulting Numbers: [32] 32,28 unequal: No Solution Exploring Operation: 70*102=7140, Resulting Numbers: [7140] 7140,28 unequal: No Solution Exploring Operation: 70+102=172, Resulting Numbers: [172] 172,28 unequal: No Solution Moving to Node #0,0,3 Current State: 28:[79, 93], Operations: ['91-68=23', '70+23=93'] Exploring Operation: 79*93=7347, Resulting Numbers: [7347] 7347,28 unequal: No Solution Exploring Operation: 79+93=172, Resulting Numbers: [172] 172,28 unequal: No Solution Exploring Operation: 93-79=14, Resulting Numbers: [14] 14,28 unequal: No Solution Moving to Node #0,0,4 Current State: 28:[70, 102], Operations: ['91-68=23', '79+23=102'] Exploring Operation: 70+102=172, Resulting Numbers: [172] 172,28 unequal: No Solution Exploring Operation: 102-70=32, Resulting Numbers: [32] 32,28 unequal: No Solution Exploring Operation: 70*102=7140, Resulting Numbers: [7140] 7140,28 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 26, 72, 55, 9 ]
81
[ "72-26=46", "55-46=9", "9*9=81" ]
Current State: 81:[26, 72, 55, 9], Operations: [] Exploring Operation: 72-26=46, Resulting Numbers: [55, 9, 46] Generated Node #2: [55, 9, 46] from Operation: 72-26=46 Current State: 81:[55, 9, 46], Operations: ['72-26=46'] Exploring Operation: 55-46=9, Resulting Numbers: [9, 9] Generated Node #3: [9, 9] from Operation: 55-46=9 Current State: 81:[9, 9], Operations: ['72-26=46', '55-46=9'] Exploring Operation: 9*9=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[26, 72, 55, 9], Operations: [] Exploring Operation: 26+55=81, Resulting Numbers: [72, 9, 81] Generated Node #0,0: 81:[72, 9, 81] Operation: 26+55=81 Exploring Operation: 72-55=17, Resulting Numbers: [26, 9, 17] Generated Node #0,1: 81:[26, 9, 17] Operation: 72-55=17 Moving to Node #0,0 Current State: 81:[72, 9, 81], Operations: ['26+55=81'] Exploring Operation: 81-72=9, Resulting Numbers: [9, 9] Generated Node #0,0,0: 81:[9, 9] Operation: 81-72=9 Exploring Operation: 72+9=81, Resulting Numbers: [81, 81] Generated Node #0,0,1: 81:[81, 81] Operation: 72+9=81 Moving to Node #0,1 Current State: 81:[26, 9, 17], Operations: ['72-55=17'] Exploring Operation: 9+17=26, Resulting Numbers: [26, 26] Generated Node #0,1,0: 81:[26, 26] Operation: 9+17=26 Exploring Operation: 26-17=9, Resulting Numbers: [9, 9] Generated Node #0,1,1: 81:[9, 9] Operation: 26-17=9 Moving to Node #0,0,0 Current State: 81:[9, 9], Operations: ['26+55=81', '81-72=9'] Exploring Operation: 9*9=81, Resulting Numbers: [81] 81,81 equal: Goal Reached Moving to Node #0 Current State: 81:[26, 72, 55, 9], Operations: [] Exploring Operation: 26+55=81, Resulting Numbers: [72, 9, 81] Generated Node #0,0: 81:[72, 9, 81] Operation: 26+55=81 Moving to Node #0,0 Current State: 81:[72, 9, 81], Operations: ['26+55=81'] Exploring Operation: 81-72=9, Resulting Numbers: [9, 9] Generated Node #0,0,0: 81:[9, 9] Operation: 81-72=9 Moving to Node #0,0,0 Current State: 81:[9, 9], Operations: ['26+55=81', '81-72=9'] Exploring Operation: 9*9=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
0.990451
hs_2
mult_heuristic
[ 10, 65, 51, 56 ]
70
[ "10+65=75", "56-51=5", "75-5=70" ]
Current State: 70:[10, 65, 51, 56], Operations: [] Exploring Operation: 10+65=75, Resulting Numbers: [51, 56, 75] Generated Node #2: [51, 56, 75] from Operation: 10+65=75 Current State: 70:[51, 56, 75], Operations: ['10+65=75'] Exploring Operation: 56-51=5, Resulting Numbers: [75, 5] Generated Node #3: [75, 5] from Operation: 56-51=5 Current State: 70:[75, 5], Operations: ['10+65=75', '56-51=5'] Exploring Operation: 75-5=70, Resulting Numbers: [70] 70,70 equal: Goal Reached
4
Current State: 70:[10, 65, 51, 56], Operations: [] Exploring Operation: 56-51=5, Resulting Numbers: [10, 65, 5] Generated Node #0,0: 70:[10, 65, 5] Operation: 56-51=5 Exploring Operation: 65-51=14, Resulting Numbers: [10, 56, 14] Generated Node #0,1: 70:[10, 56, 14] Operation: 65-51=14 Moving to Node #0,0 Current State: 70:[10, 65, 5], Operations: ['56-51=5'] Exploring Operation: 65+5=70, Resulting Numbers: [10, 70] Generated Node #0,0,0: 70:[10, 70] Operation: 65+5=70 Exploring Operation: 65/5=13, Resulting Numbers: [10, 13] Generated Node #0,0,1: 70:[10, 13] Operation: 65/5=13 Moving to Node #0,1 Current State: 70:[10, 56, 14], Operations: ['65-51=14'] Exploring Operation: 56/14=4, Resulting Numbers: [10, 4] Generated Node #0,1,0: 70:[10, 4] Operation: 56/14=4 Exploring Operation: 56+14=70, Resulting Numbers: [10, 70] Generated Node #0,1,1: 70:[10, 70] Operation: 56+14=70 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 70:[10, 70], Operations: ['65-51=14', '56+14=70'] Exploring Operation: 10+70=80, Resulting Numbers: [80] 80,70 unequal: No Solution Exploring Operation: 70/10=7, Resulting Numbers: [7] 7,70 unequal: No Solution No 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: 70:[10, 4], Operations: ['65-51=14', '56/14=4'] Exploring Operation: 10-4=6, Resulting Numbers: [6] 6,70 unequal: No Solution Exploring Operation: 10+4=14, Resulting Numbers: [14] 14,70 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: 70:[10, 70], Operations: ['56-51=5', '65+5=70'] Exploring Operation: 10+70=80, Resulting Numbers: [80] 80,70 unequal: No Solution Exploring Operation: 70/10=7, Resulting Numbers: [7] 7,70 unequal: No Solution Moving to Node #0,0,1 Current State: 70:[10, 13], Operations: ['56-51=5', '65/5=13'] Exploring Operation: 13-10=3, Resulting Numbers: [3] 3,70 unequal: No Solution Exploring Operation: 10+13=23, Resulting Numbers: [23] 23,70 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 29, 39, 55, 68 ]
23
[ "39-29=10", "68-55=13", "10+13=23" ]
Current State: 23:[29, 39, 55, 68], Operations: [] Exploring Operation: 39-29=10, Resulting Numbers: [55, 68, 10] Generated Node #2: [55, 68, 10] from Operation: 39-29=10 Current State: 23:[55, 68, 10], Operations: ['39-29=10'] Exploring Operation: 68-55=13, Resulting Numbers: [10, 13] Generated Node #3: [10, 13] from Operation: 68-55=13 Current State: 23:[10, 13], Operations: ['39-29=10', '68-55=13'] Exploring Operation: 10+13=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
4
Current State: 23:[29, 39, 55, 68], Operations: [] Exploring Operation: 68-55=13, Resulting Numbers: [29, 39, 13] Generated Node #0,0: 23:[29, 39, 13] Operation: 68-55=13 Exploring Operation: 68-39=29, Resulting Numbers: [29, 55, 29] Generated Node #0,1: 23:[29, 55, 29] Operation: 68-39=29 Exploring Operation: 55-29=26, Resulting Numbers: [39, 68, 26] Generated Node #0,2: 23:[39, 68, 26] Operation: 55-29=26 Exploring Operation: 68-29=39, Resulting Numbers: [39, 55, 39] Generated Node #0,3: 23:[39, 55, 39] Operation: 68-29=39 Exploring Operation: 55-39=16, Resulting Numbers: [29, 68, 16] Generated Node #0,4: 23:[29, 68, 16] Operation: 55-39=16 Moving to Node #0,0 Current State: 23:[29, 39, 13], Operations: ['68-55=13'] Exploring Operation: 39-29=10, Resulting Numbers: [13, 10] Generated Node #0,0,0: 23:[13, 10] Operation: 39-29=10 Exploring Operation: 29+13=42, Resulting Numbers: [39, 42] Generated Node #0,0,1: 23:[39, 42] Operation: 29+13=42 Exploring Operation: 29-13=16, Resulting Numbers: [39, 16] Generated Node #0,0,2: 23:[39, 16] Operation: 29-13=16 Exploring Operation: 39-13=26, Resulting Numbers: [29, 26] Generated Node #0,0,3: 23:[29, 26] Operation: 39-13=26 Exploring Operation: 39/13=3, Resulting Numbers: [29, 3] Generated Node #0,0,4: 23:[29, 3] Operation: 39/13=3 Moving to Node #0,1 Current State: 23:[29, 55, 29], Operations: ['68-39=29'] Exploring Operation: 55-29=26, Resulting Numbers: [29, 26] Generated Node #0,1,0: 23:[29, 26] Operation: 55-29=26 Exploring Operation: 55-29=26, Resulting Numbers: [29, 26] Generated Node #0,1,1: 23:[29, 26] Operation: 55-29=26 Exploring Operation: 29-29=0, Resulting Numbers: [55, 0] Generated Node #0,1,2: 23:[55, 0] Operation: 29-29=0 Exploring Operation: 29+55=84, Resulting Numbers: [29, 84] Generated Node #0,1,3: 23:[29, 84] Operation: 29+55=84 Exploring Operation: 29/29=1, Resulting Numbers: [55, 1] Generated Node #0,1,4: 23:[55, 1] Operation: 29/29=1 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 23:[29, 26], Operations: ['68-39=29', '55-29=26'] Exploring Operation: 29*26=754, Resulting Numbers: [754] 754,23 unequal: No Solution Exploring Operation: 29-26=3, Resulting Numbers: [3] 3,23 unequal: No Solution Exploring Operation: 29+26=55, Resulting Numbers: [55] 55,23 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 #0,1,1 Current State: 23:[29, 26], Operations: ['68-39=29', '55-29=26'] Exploring Operation: 29*26=754, Resulting Numbers: [754] 754,23 unequal: No Solution Exploring Operation: 29+26=55, Resulting Numbers: [55] 55,23 unequal: No Solution Exploring Operation: 29-26=3, Resulting Numbers: [3] 3,23 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 #0,1,4 Current State: 23:[55, 1], Operations: ['68-39=29', '29/29=1'] Exploring Operation: 55-1=54, Resulting Numbers: [54] 54,23 unequal: No Solution Exploring Operation: 55+1=56, Resulting Numbers: [56] 56,23 unequal: No Solution Exploring Operation: 55/1=55, Resulting Numbers: [55] 55,23 unequal: No Solution Exploring Operation: 55*1=55, Resulting Numbers: [55] 55,23 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 #0,1,2 Current State: 23:[55, 0], Operations: ['68-39=29', '29-29=0'] Exploring Operation: 55*0=0, Resulting Numbers: [0] 0,23 unequal: No Solution Exploring Operation: 55+0=55, Resulting Numbers: [55] 55,23 unequal: No Solution Exploring Operation: 55-0=55, Resulting Numbers: [55] 55,23 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:[29, 84], Operations: ['68-39=29', '29+55=84'] Exploring Operation: 29+84=113, Resulting Numbers: [113] 113,23 unequal: No Solution Exploring Operation: 84-29=55, Resulting Numbers: [55] 55,23 unequal: No Solution Exploring Operation: 29*84=2436, Resulting Numbers: [2436] 2436,23 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: 23:[29, 68, 16], Operations: ['55-39=16'] Exploring Operation: 29+16=45, Resulting Numbers: [68, 45] Generated Node #0,4,0: 23:[68, 45] Operation: 29+16=45 Exploring Operation: 68+16=84, Resulting Numbers: [29, 84] Generated Node #0,4,1: 23:[29, 84] Operation: 68+16=84 Exploring Operation: 29-16=13, Resulting Numbers: [68, 13] Generated Node #0,4,2: 23:[68, 13] Operation: 29-16=13 Exploring Operation: 68-16=52, Resulting Numbers: [29, 52] Generated Node #0,4,3: 23:[29, 52] Operation: 68-16=52 Exploring Operation: 68-29=39, Resulting Numbers: [16, 39] Generated Node #0,4,4: 23:[16, 39] Operation: 68-29=39 Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 23:[16, 39], Operations: ['55-39=16', '68-29=39'] Exploring Operation: 16+39=55, Resulting Numbers: [55] 55,23 unequal: No Solution Exploring Operation: 16*39=624, Resulting Numbers: [624] 624,23 unequal: No Solution Exploring Operation: 39-16=23, Resulting Numbers: [23] 23,23 equal: Goal Reached Moving to Node #0 Current State: 23:[29, 39, 55, 68], Operations: [] Exploring Operation: 55-39=16, Resulting Numbers: [29, 68, 16] Generated Node #0,4: 23:[29, 68, 16] Operation: 55-39=16 Moving to Node #0,4 Current State: 23:[29, 68, 16], Operations: ['55-39=16'] Exploring Operation: 68-29=39, Resulting Numbers: [16, 39] Generated Node #0,4,4: 23:[16, 39] Operation: 68-29=39 Moving to Node #0,4,4 Current State: 23:[16, 39], Operations: ['55-39=16', '68-29=39'] Exploring Operation: 39-16=23, Resulting Numbers: [23] 23,23 equal: Goal Reached Exit Sub Search at level 1
0.962674
hs_5
sum_heuristic
[ 73, 92, 26, 78 ]
61
[ "73+92=165", "26+78=104", "165-104=61" ]
Current State: 61:[73, 92, 26, 78], Operations: [] Exploring Operation: 73+92=165, Resulting Numbers: [26, 78, 165] Generated Node #2: [26, 78, 165] from Operation: 73+92=165 Current State: 61:[26, 78, 165], Operations: ['73+92=165'] Exploring Operation: 26+78=104, Resulting Numbers: [165, 104] Generated Node #3: [165, 104] from Operation: 26+78=104 Current State: 61:[165, 104], Operations: ['73+92=165', '26+78=104'] Exploring Operation: 165-104=61, Resulting Numbers: [61] 61,61 equal: Goal Reached
4
Current State: 61:[73, 92, 26, 78], Operations: [] Exploring Operation: 92+26=118, Resulting Numbers: [73, 78, 118] Generated Node #0,0: 61:[73, 78, 118] Operation: 92+26=118 Exploring Operation: 78-26=52, Resulting Numbers: [73, 92, 52] Generated Node #0,1: 61:[73, 92, 52] Operation: 78-26=52 Exploring Operation: 73+26=99, Resulting Numbers: [92, 78, 99] Generated Node #0,2: 61:[92, 78, 99] Operation: 73+26=99 Exploring Operation: 73-26=47, Resulting Numbers: [92, 78, 47] Generated Node #0,3: 61:[92, 78, 47] Operation: 73-26=47 Exploring Operation: 92-26=66, Resulting Numbers: [73, 78, 66] Generated Node #0,4: 61:[73, 78, 66] Operation: 92-26=66 Start Sub Search at level 1: Moving to Node #0,4 Current State: 61:[73, 78, 66], Operations: ['92-26=66'] Exploring Operation: 73-66=7, Resulting Numbers: [78, 7] Generated Node #0,4,0: 61:[78, 7] Operation: 73-66=7 Exploring Operation: 78-73=5, Resulting Numbers: [66, 5] Generated Node #0,4,1: 61:[66, 5] Operation: 78-73=5 Exploring Operation: 73+66=139, Resulting Numbers: [78, 139] Generated Node #0,4,2: 61:[78, 139] Operation: 73+66=139 Exploring Operation: 78-66=12, Resulting Numbers: [73, 12] Generated Node #0,4,3: 61:[73, 12] Operation: 78-66=12 Exploring Operation: 73+78=151, Resulting Numbers: [66, 151] Generated Node #0,4,4: 61:[66, 151] Operation: 73+78=151 Moving to Node #0,4,1 Current State: 61:[66, 5], Operations: ['92-26=66', '78-73=5'] Exploring Operation: 66+5=71, Resulting Numbers: [71] 71,61 unequal: No Solution Exploring Operation: 66*5=330, Resulting Numbers: [330] 330,61 unequal: No Solution Exploring Operation: 66-5=61, Resulting Numbers: [61] 61,61 equal: Goal Reached Moving to Node #0 Current State: 61:[73, 92, 26, 78], Operations: [] Exploring Operation: 92-26=66, Resulting Numbers: [73, 78, 66] Generated Node #0,4: 61:[73, 78, 66] Operation: 92-26=66 Moving to Node #0,4 Current State: 61:[73, 78, 66], Operations: ['92-26=66'] Exploring Operation: 78-73=5, Resulting Numbers: [66, 5] Generated Node #0,4,1: 61:[66, 5] Operation: 78-73=5 Moving to Node #0,4,1 Current State: 61:[66, 5], Operations: ['92-26=66', '78-73=5'] Exploring Operation: 66-5=61, Resulting Numbers: [61] 61,61 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_5
mult_heuristic
[ 42, 41, 60, 58 ]
81
[ "42+41=83", "60-58=2", "83-2=81" ]
Current State: 81:[42, 41, 60, 58], Operations: [] Exploring Operation: 42+41=83, Resulting Numbers: [60, 58, 83] Generated Node #2: [60, 58, 83] from Operation: 42+41=83 Current State: 81:[60, 58, 83], Operations: ['42+41=83'] Exploring Operation: 60-58=2, Resulting Numbers: [83, 2] Generated Node #3: [83, 2] from Operation: 60-58=2 Current State: 81:[83, 2], Operations: ['42+41=83', '60-58=2'] Exploring Operation: 83-2=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[42, 41, 60, 58], Operations: [] Exploring Operation: 60-58=2, Resulting Numbers: [42, 41, 2] Generated Node #0,0: 81:[42, 41, 2] Operation: 60-58=2 Exploring Operation: 58-41=17, Resulting Numbers: [42, 60, 17] Generated Node #0,1: 81:[42, 60, 17] Operation: 58-41=17 Exploring Operation: 58-42=16, Resulting Numbers: [41, 60, 16] Generated Node #0,2: 81:[41, 60, 16] Operation: 58-42=16 Exploring Operation: 42+41=83, Resulting Numbers: [60, 58, 83] Generated Node #0,3: 81:[60, 58, 83] Operation: 42+41=83 Start Sub Search at level 1: Moving to Node #0,0 Current State: 81:[42, 41, 2], Operations: ['60-58=2'] Exploring Operation: 42-41=1, Resulting Numbers: [2, 1] Generated Node #0,0,0: 81:[2, 1] Operation: 42-41=1 Exploring Operation: 41*2=82, Resulting Numbers: [42, 82] Generated Node #0,0,1: 81:[42, 82] Operation: 41*2=82 Exploring Operation: 42*2=84, Resulting Numbers: [41, 84] Generated Node #0,0,2: 81:[41, 84] Operation: 42*2=84 Exploring Operation: 42+41=83, Resulting Numbers: [2, 83] Generated Node #0,0,3: 81:[2, 83] Operation: 42+41=83 Moving to Node #0,0,0 Current State: 81:[2, 1], Operations: ['60-58=2', '42-41=1'] Exploring Operation: 2-1=1, Resulting Numbers: [1] 1,81 unequal: No Solution Exploring Operation: 2+1=3, Resulting Numbers: [3] 3,81 unequal: No Solution Exploring Operation: 2*1=2, Resulting Numbers: [2] 2,81 unequal: No Solution Exploring Operation: 2/1=2, Resulting Numbers: [2] 2,81 unequal: No Solution Moving to Node #0,0,3 Current State: 81:[2, 83], Operations: ['60-58=2', '42+41=83'] Exploring Operation: 2+83=85, Resulting Numbers: [85] 85,81 unequal: No Solution Exploring Operation: 83-2=81, Resulting Numbers: [81] 81,81 equal: Goal Reached Moving to Node #0 Current State: 81:[42, 41, 60, 58], Operations: [] Exploring Operation: 60-58=2, Resulting Numbers: [42, 41, 2] Generated Node #0,0: 81:[42, 41, 2] Operation: 60-58=2 Moving to Node #0,0 Current State: 81:[42, 41, 2], Operations: ['60-58=2'] Exploring Operation: 42+41=83, Resulting Numbers: [2, 83] Generated Node #0,0,3: 81:[2, 83] Operation: 42+41=83 Moving to Node #0,0,3 Current State: 81:[2, 83], Operations: ['60-58=2', '42+41=83'] Exploring Operation: 83-2=81, Resulting Numbers: [81] 81,81 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_4
sum_heuristic
[ 57, 72, 51, 15 ]
27
[ "57-51=6", "72/6=12", "15+12=27" ]
Current State: 27:[57, 72, 51, 15], Operations: [] Exploring Operation: 57-51=6, Resulting Numbers: [72, 15, 6] Generated Node #2: [72, 15, 6] from Operation: 57-51=6 Current State: 27:[72, 15, 6], Operations: ['57-51=6'] Exploring Operation: 72/6=12, Resulting Numbers: [15, 12] Generated Node #3: [15, 12] from Operation: 72/6=12 Current State: 27:[15, 12], Operations: ['57-51=6', '72/6=12'] Exploring Operation: 15+12=27, Resulting Numbers: [27] 27,27 equal: Goal Reached
4
Current State: 27:[57, 72, 51, 15], Operations: [] Exploring Operation: 72-57=15, Resulting Numbers: [51, 15, 15] Generated Node #0,0: 27:[51, 15, 15] Operation: 72-57=15 Exploring Operation: 72-51=21, Resulting Numbers: [57, 15, 21] Generated Node #0,1: 27:[57, 15, 21] Operation: 72-51=21 Start Sub Search at level 1: Moving to Node #0,0 Current State: 27:[51, 15, 15], Operations: ['72-57=15'] Exploring Operation: 51-15=36, Resulting Numbers: [15, 36] Generated Node #0,0,0: 27:[15, 36] Operation: 51-15=36 Exploring Operation: 51-15=36, Resulting Numbers: [15, 36] Generated Node #0,0,1: 27:[15, 36] Operation: 51-15=36 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 27:[15, 36], Operations: ['72-57=15', '51-15=36'] Exploring Operation: 36-15=21, Resulting Numbers: [21] 21,27 unequal: No Solution Exploring Operation: 15+36=51, Resulting Numbers: [51] 51,27 unequal: No Solution No 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: 27:[15, 36], Operations: ['72-57=15', '51-15=36'] Exploring Operation: 36-15=21, Resulting Numbers: [21] 21,27 unequal: No Solution Exploring Operation: 15+36=51, Resulting Numbers: [51] 51,27 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: 27:[57, 15, 21], Operations: ['72-51=21'] Exploring Operation: 57-21=36, Resulting Numbers: [15, 36] Generated Node #0,1,0: 27:[15, 36] Operation: 57-21=36 Exploring Operation: 57-15=42, Resulting Numbers: [21, 42] Generated Node #0,1,1: 27:[21, 42] Operation: 57-15=42 Moving to Node #0,1,0 Current State: 27:[15, 36], Operations: ['72-51=21', '57-21=36'] Exploring Operation: 15+36=51, Resulting Numbers: [51] 51,27 unequal: No Solution Exploring Operation: 36-15=21, Resulting Numbers: [21] 21,27 unequal: No Solution Moving to Node #0,1,1 Current State: 27:[21, 42], Operations: ['72-51=21', '57-15=42'] Exploring Operation: 42/21=2, Resulting Numbers: [2] 2,27 unequal: No Solution Exploring Operation: 42-21=21, Resulting Numbers: [21] 21,27 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 7, 77, 10, 9 ]
79
[ "77/7=11", "10*9=90", "90-11=79" ]
Current State: 79:[7, 77, 10, 9], Operations: [] Exploring Operation: 77/7=11, Resulting Numbers: [10, 9, 11] Generated Node #2: [10, 9, 11] from Operation: 77/7=11 Current State: 79:[10, 9, 11], Operations: ['77/7=11'] Exploring Operation: 10*9=90, Resulting Numbers: [11, 90] Generated Node #3: [11, 90] from Operation: 10*9=90 Current State: 79:[11, 90], Operations: ['77/7=11', '10*9=90'] Exploring Operation: 90-11=79, Resulting Numbers: [79] 79,79 equal: Goal Reached
4
Current State: 79:[7, 77, 10, 9], Operations: [] Exploring Operation: 7*10=70, Resulting Numbers: [77, 9, 70] Generated Node #0,0: 79:[77, 9, 70] Operation: 7*10=70 Start Sub Search at level 1: Moving to Node #0,0 Current State: 79:[77, 9, 70], Operations: ['7*10=70'] Exploring Operation: 9+70=79, Resulting Numbers: [77, 79] Generated Node #0,0,0: 79:[77, 79] Operation: 9+70=79 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 79:[77, 79], Operations: ['7*10=70', '9+70=79'] Exploring Operation: 77+79=156, Resulting Numbers: [156] 156,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 3, 38, 58, 66 ]
98
[ "38+58=96", "96/3=32", "66+32=98" ]
Current State: 98:[3, 38, 58, 66], Operations: [] Exploring Operation: 38+58=96, Resulting Numbers: [3, 66, 96] Generated Node #2: [3, 66, 96] from Operation: 38+58=96 Current State: 98:[3, 66, 96], Operations: ['38+58=96'] Exploring Operation: 96/3=32, Resulting Numbers: [66, 32] Generated Node #3: [66, 32] from Operation: 96/3=32 Current State: 98:[66, 32], Operations: ['38+58=96', '96/3=32'] Exploring Operation: 66+32=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
4
Current State: 98:[3, 38, 58, 66], Operations: [] Exploring Operation: 66-58=8, Resulting Numbers: [3, 38, 8] Generated Node #0,0: 98:[3, 38, 8] Operation: 66-58=8 Start Sub Search at level 1: Moving to Node #0,0 Current State: 98:[3, 38, 8], Operations: ['66-58=8'] Exploring Operation: 38+8=46, Resulting Numbers: [3, 46] Generated Node #0,0,0: 98:[3, 46] Operation: 38+8=46 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 98:[3, 46], Operations: ['66-58=8', '38+8=46'] Exploring Operation: 3+46=49, Resulting Numbers: [49] 49,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 44, 15, 22, 30 ]
43
[ "44/22=2", "15+30=45", "45-2=43" ]
Current State: 43:[44, 15, 22, 30], Operations: [] Exploring Operation: 44/22=2, Resulting Numbers: [15, 30, 2] Generated Node #2: [15, 30, 2] from Operation: 44/22=2 Current State: 43:[15, 30, 2], Operations: ['44/22=2'] Exploring Operation: 15+30=45, Resulting Numbers: [2, 45] Generated Node #3: [2, 45] from Operation: 15+30=45 Current State: 43:[2, 45], Operations: ['44/22=2', '15+30=45'] Exploring Operation: 45-2=43, Resulting Numbers: [43] 43,43 equal: Goal Reached
4
Current State: 43:[44, 15, 22, 30], Operations: [] Exploring Operation: 15+22=37, Resulting Numbers: [44, 30, 37] Generated Node #0,0: 43:[44, 30, 37] Operation: 15+22=37 Exploring Operation: 22+30=52, Resulting Numbers: [44, 15, 52] Generated Node #0,1: 43:[44, 15, 52] Operation: 22+30=52 Exploring Operation: 15+30=45, Resulting Numbers: [44, 22, 45] Generated Node #0,2: 43:[44, 22, 45] Operation: 15+30=45 Start Sub Search at level 1: Moving to Node #0,0 Current State: 43:[44, 30, 37], Operations: ['15+22=37'] Exploring Operation: 44+30=74, Resulting Numbers: [37, 74] Generated Node #0,0,0: 43:[37, 74] Operation: 44+30=74 Exploring Operation: 30+37=67, Resulting Numbers: [44, 67] Generated Node #0,0,1: 43:[44, 67] Operation: 30+37=67 Exploring Operation: 44-30=14, Resulting Numbers: [37, 14] Generated Node #0,0,2: 43:[37, 14] Operation: 44-30=14 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 43:[44, 67], Operations: ['15+22=37', '30+37=67'] Exploring Operation: 67-44=23, Resulting Numbers: [23] 23,43 unequal: No Solution Exploring Operation: 44*67=2948, Resulting Numbers: [2948] 2948,43 unequal: No Solution Exploring Operation: 44+67=111, Resulting Numbers: [111] 111,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 43:[37, 14], Operations: ['15+22=37', '44-30=14'] Exploring Operation: 37+14=51, Resulting Numbers: [51] 51,43 unequal: No Solution Exploring Operation: 37-14=23, Resulting Numbers: [23] 23,43 unequal: No Solution Exploring Operation: 37*14=518, Resulting Numbers: [518] 518,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 43:[37, 74], Operations: ['15+22=37', '44+30=74'] Exploring Operation: 74/37=2, Resulting Numbers: [2] 2,43 unequal: No Solution Exploring Operation: 74-37=37, Resulting Numbers: [37] 37,43 unequal: No Solution Exploring Operation: 37+74=111, Resulting Numbers: [111] 111,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 43:[44, 22, 45], Operations: ['15+30=45'] Exploring Operation: 45-22=23, Resulting Numbers: [44, 23] Generated Node #0,2,0: 43:[44, 23] Operation: 45-22=23 Exploring Operation: 44-22=22, Resulting Numbers: [45, 22] Generated Node #0,2,1: 43:[45, 22] Operation: 44-22=22 Exploring Operation: 44+22=66, Resulting Numbers: [45, 66] Generated Node #0,2,2: 43:[45, 66] Operation: 44+22=66 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 43:[44, 23], Operations: ['15+30=45', '45-22=23'] Exploring Operation: 44*23=1012, Resulting Numbers: [1012] 1012,43 unequal: No Solution Exploring Operation: 44+23=67, Resulting Numbers: [67] 67,43 unequal: No Solution Exploring Operation: 44-23=21, Resulting Numbers: [21] 21,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 43:[45, 22], Operations: ['15+30=45', '44-22=22'] Exploring Operation: 45*22=990, Resulting Numbers: [990] 990,43 unequal: No Solution Exploring Operation: 45-22=23, Resulting Numbers: [23] 23,43 unequal: No Solution Exploring Operation: 45+22=67, Resulting Numbers: [67] 67,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 43:[45, 66], Operations: ['15+30=45', '44+22=66'] Exploring Operation: 66-45=21, Resulting Numbers: [21] 21,43 unequal: No Solution Exploring Operation: 45+66=111, Resulting Numbers: [111] 111,43 unequal: No Solution Exploring Operation: 45*66=2970, Resulting Numbers: [2970] 2970,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 43:[44, 15, 52], Operations: ['22+30=52'] Exploring Operation: 44+15=59, Resulting Numbers: [52, 59] Generated Node #0,1,0: 43:[52, 59] Operation: 44+15=59 Exploring Operation: 52-15=37, Resulting Numbers: [44, 37] Generated Node #0,1,1: 43:[44, 37] Operation: 52-15=37 Exploring Operation: 44-15=29, Resulting Numbers: [52, 29] Generated Node #0,1,2: 43:[52, 29] Operation: 44-15=29 Moving to Node #0,1,1 Current State: 43:[44, 37], Operations: ['22+30=52', '52-15=37'] Exploring Operation: 44+37=81, Resulting Numbers: [81] 81,43 unequal: No Solution Exploring Operation: 44*37=1628, Resulting Numbers: [1628] 1628,43 unequal: No Solution Exploring Operation: 44-37=7, Resulting Numbers: [7] 7,43 unequal: No Solution Moving to Node #0,1,2 Current State: 43:[52, 29], Operations: ['22+30=52', '44-15=29'] Exploring Operation: 52*29=1508, Resulting Numbers: [1508] 1508,43 unequal: No Solution Exploring Operation: 52-29=23, Resulting Numbers: [23] 23,43 unequal: No Solution Exploring Operation: 52+29=81, Resulting Numbers: [81] 81,43 unequal: No Solution Moving to Node #0,1,0 Current State: 43:[52, 59], Operations: ['22+30=52', '44+15=59'] Exploring Operation: 52*59=3068, Resulting Numbers: [3068] 3068,43 unequal: No Solution Exploring Operation: 52+59=111, Resulting Numbers: [111] 111,43 unequal: No Solution Exploring Operation: 59-52=7, Resulting Numbers: [7] 7,43 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
[ 10, 90, 39, 59 ]
89
[ "90/10=9", "39+59=98", "98-9=89" ]
Current State: 89:[10, 90, 39, 59], Operations: [] Exploring Operation: 90/10=9, Resulting Numbers: [39, 59, 9] Generated Node #2: [39, 59, 9] from Operation: 90/10=9 Current State: 89:[39, 59, 9], Operations: ['90/10=9'] Exploring Operation: 39+59=98, Resulting Numbers: [9, 98] Generated Node #3: [9, 98] from Operation: 39+59=98 Current State: 89:[9, 98], Operations: ['90/10=9', '39+59=98'] Exploring Operation: 98-9=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
4
Current State: 89:[10, 90, 39, 59], Operations: [] Exploring Operation: 90-10=80, Resulting Numbers: [39, 59, 80] Generated Node #0,0: 89:[39, 59, 80] Operation: 90-10=80 Exploring Operation: 10+59=69, Resulting Numbers: [90, 39, 69] Generated Node #0,1: 89:[90, 39, 69] Operation: 10+59=69 Exploring Operation: 10+39=49, Resulting Numbers: [90, 59, 49] Generated Node #0,2: 89:[90, 59, 49] Operation: 10+39=49 Start Sub Search at level 1: Moving to Node #0,1 Current State: 89:[90, 39, 69], Operations: ['10+59=69'] Exploring Operation: 90-39=51, Resulting Numbers: [69, 51] Generated Node #0,1,0: 89:[69, 51] Operation: 90-39=51 Exploring Operation: 90+39=129, Resulting Numbers: [69, 129] Generated Node #0,1,1: 89:[69, 129] Operation: 90+39=129 Exploring Operation: 39+69=108, Resulting Numbers: [90, 108] Generated Node #0,1,2: 89:[90, 108] Operation: 39+69=108 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 89:[90, 108], Operations: ['10+59=69', '39+69=108'] Exploring Operation: 90*108=9720, Resulting Numbers: [9720] 9720,89 unequal: No Solution Exploring Operation: 108-90=18, Resulting Numbers: [18] 18,89 unequal: No Solution Exploring Operation: 90+108=198, Resulting Numbers: [198] 198,89 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 89:[69, 51], Operations: ['10+59=69', '90-39=51'] Exploring Operation: 69*51=3519, Resulting Numbers: [3519] 3519,89 unequal: No Solution Exploring Operation: 69+51=120, Resulting Numbers: [120] 120,89 unequal: No Solution Exploring Operation: 69-51=18, Resulting Numbers: [18] 18,89 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 89:[69, 129], Operations: ['10+59=69', '90+39=129'] Exploring Operation: 69*129=8901, Resulting Numbers: [8901] 8901,89 unequal: No Solution Exploring Operation: 129-69=60, Resulting Numbers: [60] 60,89 unequal: No Solution Exploring Operation: 69+129=198, Resulting Numbers: [198] 198,89 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 89:[90, 59, 49], Operations: ['10+39=49'] Exploring Operation: 59+49=108, Resulting Numbers: [90, 108] Generated Node #0,2,0: 89:[90, 108] Operation: 59+49=108 Exploring Operation: 90-49=41, Resulting Numbers: [59, 41] Generated Node #0,2,1: 89:[59, 41] Operation: 90-49=41 Exploring Operation: 90+49=139, Resulting Numbers: [59, 139] Generated Node #0,2,2: 89:[59, 139] Operation: 90+49=139 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 89:[90, 108], Operations: ['10+39=49', '59+49=108'] Exploring Operation: 90+108=198, Resulting Numbers: [198] 198,89 unequal: No Solution Exploring Operation: 108-90=18, Resulting Numbers: [18] 18,89 unequal: No Solution Exploring Operation: 90*108=9720, Resulting Numbers: [9720] 9720,89 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 89:[59, 41], Operations: ['10+39=49', '90-49=41'] Exploring Operation: 59+41=100, Resulting Numbers: [100] 100,89 unequal: No Solution Exploring Operation: 59*41=2419, Resulting Numbers: [2419] 2419,89 unequal: No Solution Exploring Operation: 59-41=18, Resulting Numbers: [18] 18,89 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 89:[59, 139], Operations: ['10+39=49', '90+49=139'] Exploring Operation: 59+139=198, Resulting Numbers: [198] 198,89 unequal: No Solution Exploring Operation: 139-59=80, Resulting Numbers: [80] 80,89 unequal: No Solution Exploring Operation: 59*139=8201, Resulting Numbers: [8201] 8201,89 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 89:[39, 59, 80], Operations: ['90-10=80'] Exploring Operation: 39+80=119, Resulting Numbers: [59, 119] Generated Node #0,0,0: 89:[59, 119] Operation: 39+80=119 Exploring Operation: 39+59=98, Resulting Numbers: [80, 98] Generated Node #0,0,1: 89:[80, 98] Operation: 39+59=98 Exploring Operation: 59-39=20, Resulting Numbers: [80, 20] Generated Node #0,0,2: 89:[80, 20] Operation: 59-39=20 Moving to Node #0,0,1 Current State: 89:[80, 98], Operations: ['90-10=80', '39+59=98'] Exploring Operation: 80*98=7840, Resulting Numbers: [7840] 7840,89 unequal: No Solution Exploring Operation: 98-80=18, Resulting Numbers: [18] 18,89 unequal: No Solution Exploring Operation: 80+98=178, Resulting Numbers: [178] 178,89 unequal: No Solution Moving to Node #0,0,0 Current State: 89:[59, 119], Operations: ['90-10=80', '39+80=119'] Exploring Operation: 59+119=178, Resulting Numbers: [178] 178,89 unequal: No Solution Exploring Operation: 59*119=7021, Resulting Numbers: [7021] 7021,89 unequal: No Solution Exploring Operation: 119-59=60, Resulting Numbers: [60] 60,89 unequal: No Solution Moving to Node #0,0,2 Current State: 89:[80, 20], Operations: ['90-10=80', '59-39=20'] Exploring Operation: 80+20=100, Resulting Numbers: [100] 100,89 unequal: No Solution Exploring Operation: 80-20=60, Resulting Numbers: [60] 60,89 unequal: No Solution Exploring Operation: 80/20=4, Resulting Numbers: [4] 4,89 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
[ 83, 8, 17, 18 ]
87
[ "18-8=10", "17*10=170", "170-83=87" ]
Current State: 87:[83, 8, 17, 18], Operations: [] Exploring Operation: 18-8=10, Resulting Numbers: [83, 17, 10] Generated Node #2: [83, 17, 10] from Operation: 18-8=10 Current State: 87:[83, 17, 10], Operations: ['18-8=10'] Exploring Operation: 17*10=170, Resulting Numbers: [83, 170] Generated Node #3: [83, 170] from Operation: 17*10=170 Current State: 87:[83, 170], Operations: ['18-8=10', '17*10=170'] Exploring Operation: 170-83=87, Resulting Numbers: [87] 87,87 equal: Goal Reached
4
Current State: 87:[83, 8, 17, 18], Operations: [] Exploring Operation: 17+18=35, Resulting Numbers: [83, 8, 35] Generated Node #0,0: 87:[83, 8, 35] Operation: 17+18=35 Exploring Operation: 18-17=1, Resulting Numbers: [83, 8, 1] Generated Node #0,1: 87:[83, 8, 1] Operation: 18-17=1 Moving to Node #0,1 Current State: 87:[83, 8, 1], Operations: ['18-17=1'] Exploring Operation: 83+1=84, Resulting Numbers: [8, 84] Generated Node #0,1,0: 87:[8, 84] Operation: 83+1=84 Exploring Operation: 83+8=91, Resulting Numbers: [1, 91] Generated Node #0,1,1: 87:[1, 91] Operation: 83+8=91 Moving to Node #0,0 Current State: 87:[83, 8, 35], Operations: ['17+18=35'] Exploring Operation: 35-8=27, Resulting Numbers: [83, 27] Generated Node #0,0,0: 87:[83, 27] Operation: 35-8=27 Exploring Operation: 83+8=91, Resulting Numbers: [35, 91] Generated Node #0,0,1: 87:[35, 91] Operation: 83+8=91 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 87:[83, 27], Operations: ['17+18=35', '35-8=27'] Exploring Operation: 83-27=56, Resulting Numbers: [56] 56,87 unequal: No Solution Exploring Operation: 83+27=110, Resulting Numbers: [110] 110,87 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 87:[35, 91], Operations: ['17+18=35', '83+8=91'] Exploring Operation: 35+91=126, Resulting Numbers: [126] 126,87 unequal: No Solution Exploring Operation: 91-35=56, Resulting Numbers: [56] 56,87 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: 87:[1, 91], Operations: ['18-17=1', '83+8=91'] Exploring Operation: 91-1=90, Resulting Numbers: [90] 90,87 unequal: No Solution Exploring Operation: 1*91=91, Resulting Numbers: [91] 91,87 unequal: No Solution Moving to Node #0,1,0 Current State: 87:[8, 84], Operations: ['18-17=1', '83+1=84'] Exploring Operation: 8+84=92, Resulting Numbers: [92] 92,87 unequal: No Solution Exploring Operation: 84-8=76, Resulting Numbers: [76] 76,87 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 55, 46, 70, 93 ]
78
[ "55+46=101", "93-70=23", "101-23=78" ]
Current State: 78:[55, 46, 70, 93], Operations: [] Exploring Operation: 55+46=101, Resulting Numbers: [70, 93, 101] Generated Node #2: [70, 93, 101] from Operation: 55+46=101 Current State: 78:[70, 93, 101], Operations: ['55+46=101'] Exploring Operation: 93-70=23, Resulting Numbers: [101, 23] Generated Node #3: [101, 23] from Operation: 93-70=23 Current State: 78:[101, 23], Operations: ['55+46=101', '93-70=23'] Exploring Operation: 101-23=78, Resulting Numbers: [78] 78,78 equal: Goal Reached
4
Current State: 78:[55, 46, 70, 93], Operations: [] Exploring Operation: 93-55=38, Resulting Numbers: [46, 70, 38] Generated Node #0,0: 78:[46, 70, 38] Operation: 93-55=38 Start Sub Search at level 1: Moving to Node #0,0 Current State: 78:[46, 70, 38], Operations: ['93-55=38'] Exploring Operation: 70-46=24, Resulting Numbers: [38, 24] Generated Node #0,0,0: 78:[38, 24] Operation: 70-46=24 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 78:[38, 24], Operations: ['93-55=38', '70-46=24'] Exploring Operation: 38-24=14, Resulting Numbers: [14] 14,78 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
mult_heuristic
[ 28, 24, 84, 59 ]
86
[ "84/28=3", "24+59=83", "3+83=86" ]
Current State: 86:[28, 24, 84, 59], Operations: [] Exploring Operation: 84/28=3, Resulting Numbers: [24, 59, 3] Generated Node #2: [24, 59, 3] from Operation: 84/28=3 Current State: 86:[24, 59, 3], Operations: ['84/28=3'] Exploring Operation: 24+59=83, Resulting Numbers: [3, 83] Generated Node #3: [3, 83] from Operation: 24+59=83 Current State: 86:[3, 83], Operations: ['84/28=3', '24+59=83'] Exploring Operation: 3+83=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
4
Current State: 86:[28, 24, 84, 59], Operations: [] Exploring Operation: 28+24=52, Resulting Numbers: [84, 59, 52] Generated Node #0,0: 86:[84, 59, 52] Operation: 28+24=52 Exploring Operation: 59-24=35, Resulting Numbers: [28, 84, 35] Generated Node #0,1: 86:[28, 84, 35] Operation: 59-24=35 Exploring Operation: 28-24=4, Resulting Numbers: [84, 59, 4] Generated Node #0,2: 86:[84, 59, 4] Operation: 28-24=4 Exploring Operation: 24+59=83, Resulting Numbers: [28, 84, 83] Generated Node #0,3: 86:[28, 84, 83] Operation: 24+59=83 Exploring Operation: 28+59=87, Resulting Numbers: [24, 84, 87] Generated Node #0,4: 86:[24, 84, 87] Operation: 28+59=87 Moving to Node #0,2 Current State: 86:[84, 59, 4], Operations: ['28-24=4'] Exploring Operation: 59+4=63, Resulting Numbers: [84, 63] Generated Node #0,2,0: 86:[84, 63] Operation: 59+4=63 Exploring Operation: 84+4=88, Resulting Numbers: [59, 88] Generated Node #0,2,1: 86:[59, 88] Operation: 84+4=88 Exploring Operation: 84-59=25, Resulting Numbers: [4, 25] Generated Node #0,2,2: 86:[4, 25] Operation: 84-59=25 Exploring Operation: 84-4=80, Resulting Numbers: [59, 80] Generated Node #0,2,3: 86:[59, 80] Operation: 84-4=80 Exploring Operation: 59-4=55, Resulting Numbers: [84, 55] Generated Node #0,2,4: 86:[84, 55] Operation: 59-4=55 Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 86:[84, 55], Operations: ['28-24=4', '59-4=55'] Exploring Operation: 84+55=139, Resulting Numbers: [139] 139,86 unequal: No Solution Exploring Operation: 84*55=4620, Resulting Numbers: [4620] 4620,86 unequal: No Solution Exploring Operation: 84-55=29, Resulting Numbers: [29] 29,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 86:[59, 88], Operations: ['28-24=4', '84+4=88'] Exploring Operation: 59*88=5192, Resulting Numbers: [5192] 5192,86 unequal: No Solution Exploring Operation: 59+88=147, Resulting Numbers: [147] 147,86 unequal: No Solution Exploring Operation: 88-59=29, Resulting Numbers: [29] 29,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 86:[4, 25], Operations: ['28-24=4', '84-59=25'] Exploring Operation: 4*25=100, Resulting Numbers: [100] 100,86 unequal: No Solution Exploring Operation: 4+25=29, Resulting Numbers: [29] 29,86 unequal: No Solution Exploring Operation: 25-4=21, Resulting Numbers: [21] 21,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 86:[84, 63], Operations: ['28-24=4', '59+4=63'] Exploring Operation: 84-63=21, Resulting Numbers: [21] 21,86 unequal: No Solution Exploring Operation: 84+63=147, Resulting Numbers: [147] 147,86 unequal: No Solution Exploring Operation: 84*63=5292, Resulting Numbers: [5292] 5292,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 86:[59, 80], Operations: ['28-24=4', '84-4=80'] Exploring Operation: 59+80=139, Resulting Numbers: [139] 139,86 unequal: No Solution Exploring Operation: 80-59=21, Resulting Numbers: [21] 21,86 unequal: No Solution Exploring Operation: 59*80=4720, Resulting Numbers: [4720] 4720,86 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: 86:[28, 84, 83], Operations: ['24+59=83'] Exploring Operation: 84/28=3, Resulting Numbers: [83, 3] Generated Node #0,3,0: 86:[83, 3] Operation: 84/28=3 Exploring Operation: 84-28=56, Resulting Numbers: [83, 56] Generated Node #0,3,1: 86:[83, 56] Operation: 84-28=56 Exploring Operation: 28+83=111, Resulting Numbers: [84, 111] Generated Node #0,3,2: 86:[84, 111] Operation: 28+83=111 Exploring Operation: 84-83=1, Resulting Numbers: [28, 1] Generated Node #0,3,3: 86:[28, 1] Operation: 84-83=1 Exploring Operation: 83-28=55, Resulting Numbers: [84, 55] Generated Node #0,3,4: 86:[84, 55] Operation: 83-28=55 Moving to Node #0,4 Current State: 86:[24, 84, 87], Operations: ['28+59=87'] Exploring Operation: 87-24=63, Resulting Numbers: [84, 63] Generated Node #0,4,0: 86:[84, 63] Operation: 87-24=63 Exploring Operation: 24+84=108, Resulting Numbers: [87, 108] Generated Node #0,4,1: 86:[87, 108] Operation: 24+84=108 Exploring Operation: 84-24=60, Resulting Numbers: [87, 60] Generated Node #0,4,2: 86:[87, 60] Operation: 84-24=60 Exploring Operation: 87-84=3, Resulting Numbers: [24, 3] Generated Node #0,4,3: 86:[24, 3] Operation: 87-84=3 Exploring Operation: 24+87=111, Resulting Numbers: [84, 111] Generated Node #0,4,4: 86:[84, 111] Operation: 24+87=111 Moving to Node #0,1 Current State: 86:[28, 84, 35], Operations: ['59-24=35'] Exploring Operation: 28+35=63, Resulting Numbers: [84, 63] Generated Node #0,1,0: 86:[84, 63] Operation: 28+35=63 Exploring Operation: 84-28=56, Resulting Numbers: [35, 56] Generated Node #0,1,1: 86:[35, 56] Operation: 84-28=56 Exploring Operation: 84-35=49, Resulting Numbers: [28, 49] Generated Node #0,1,2: 86:[28, 49] Operation: 84-35=49 Exploring Operation: 35-28=7, Resulting Numbers: [84, 7] Generated Node #0,1,3: 86:[84, 7] Operation: 35-28=7 Exploring Operation: 84/28=3, Resulting Numbers: [35, 3] Generated Node #0,1,4: 86:[35, 3] Operation: 84/28=3 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 86:[84, 7], Operations: ['59-24=35', '35-28=7'] Exploring Operation: 84*7=588, Resulting Numbers: [588] 588,86 unequal: No Solution Exploring Operation: 84/7=12, Resulting Numbers: [12] 12,86 unequal: No Solution Exploring Operation: 84-7=77, Resulting Numbers: [77] 77,86 unequal: No Solution Exploring Operation: 84+7=91, Resulting Numbers: [91] 91,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 86:[35, 3], Operations: ['59-24=35', '84/28=3'] Exploring Operation: 35-3=32, Resulting Numbers: [32] 32,86 unequal: No Solution Exploring Operation: 35*3=105, Resulting Numbers: [105] 105,86 unequal: No Solution Exploring Operation: 35+3=38, Resulting Numbers: [38] 38,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 86:[35, 56], Operations: ['59-24=35', '84-28=56'] Exploring Operation: 35+56=91, Resulting Numbers: [91] 91,86 unequal: No Solution Exploring Operation: 56-35=21, Resulting Numbers: [21] 21,86 unequal: No Solution Exploring Operation: 35*56=1960, Resulting Numbers: [1960] 1960,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 86:[28, 49], Operations: ['59-24=35', '84-35=49'] Exploring Operation: 49-28=21, Resulting Numbers: [21] 21,86 unequal: No Solution Exploring Operation: 28*49=1372, Resulting Numbers: [1372] 1372,86 unequal: No Solution Exploring Operation: 28+49=77, Resulting Numbers: [77] 77,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 86:[84, 63], Operations: ['59-24=35', '28+35=63'] Exploring Operation: 84-63=21, Resulting Numbers: [21] 21,86 unequal: No Solution Exploring Operation: 84*63=5292, Resulting Numbers: [5292] 5292,86 unequal: No Solution Exploring Operation: 84+63=147, Resulting Numbers: [147] 147,86 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: 86:[84, 59, 52], Operations: ['28+24=52'] Exploring Operation: 84-52=32, Resulting Numbers: [59, 32] Generated Node #0,0,0: 86:[59, 32] Operation: 84-52=32 Exploring Operation: 84-59=25, Resulting Numbers: [52, 25] Generated Node #0,0,1: 86:[52, 25] Operation: 84-59=25 Exploring Operation: 59+52=111, Resulting Numbers: [84, 111] Generated Node #0,0,2: 86:[84, 111] Operation: 59+52=111 Exploring Operation: 84+59=143, Resulting Numbers: [52, 143] Generated Node #0,0,3: 86:[52, 143] Operation: 84+59=143 Exploring Operation: 59-52=7, Resulting Numbers: [84, 7] Generated Node #0,0,4: 86:[84, 7] Operation: 59-52=7 Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 86:[84, 7], Operations: ['28+24=52', '59-52=7'] Exploring Operation: 84*7=588, Resulting Numbers: [588] 588,86 unequal: No Solution Exploring Operation: 84/7=12, Resulting Numbers: [12] 12,86 unequal: No Solution Exploring Operation: 84-7=77, Resulting Numbers: [77] 77,86 unequal: No Solution Exploring Operation: 84+7=91, Resulting Numbers: [91] 91,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 86:[59, 32], Operations: ['28+24=52', '84-52=32'] Exploring Operation: 59+32=91, Resulting Numbers: [91] 91,86 unequal: No Solution Exploring Operation: 59*32=1888, Resulting Numbers: [1888] 1888,86 unequal: No Solution Exploring Operation: 59-32=27, Resulting Numbers: [27] 27,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 86:[52, 25], Operations: ['28+24=52', '84-59=25'] Exploring Operation: 52*25=1300, Resulting Numbers: [1300] 1300,86 unequal: No Solution Exploring Operation: 52-25=27, Resulting Numbers: [27] 27,86 unequal: No Solution Exploring Operation: 52+25=77, Resulting Numbers: [77] 77,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 86:[84, 111], Operations: ['28+24=52', '59+52=111'] Exploring Operation: 84*111=9324, Resulting Numbers: [9324] 9324,86 unequal: No Solution Exploring Operation: 84+111=195, Resulting Numbers: [195] 195,86 unequal: No Solution Exploring Operation: 111-84=27, Resulting Numbers: [27] 27,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 86:[52, 143], Operations: ['28+24=52', '84+59=143'] Exploring Operation: 143-52=91, Resulting Numbers: [91] 91,86 unequal: No Solution Exploring Operation: 52*143=7436, Resulting Numbers: [7436] 7436,86 unequal: No Solution Exploring Operation: 52+143=195, Resulting Numbers: [195] 195,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3,0 Current State: 86:[83, 3], Operations: ['24+59=83', '84/28=3'] Exploring Operation: 83-3=80, Resulting Numbers: [80] 80,86 unequal: No Solution Exploring Operation: 83*3=249, Resulting Numbers: [249] 249,86 unequal: No Solution Exploring Operation: 83+3=86, Resulting Numbers: [86] 86,86 equal: Goal Reached Moving to Node #0 Current State: 86:[28, 24, 84, 59], Operations: [] Exploring Operation: 24+59=83, Resulting Numbers: [28, 84, 83] Generated Node #0,3: 86:[28, 84, 83] Operation: 24+59=83 Moving to Node #0,3 Current State: 86:[28, 84, 83], Operations: ['24+59=83'] Exploring Operation: 84/28=3, Resulting Numbers: [83, 3] Generated Node #0,3,0: 86:[83, 3] Operation: 84/28=3 Moving to Node #0,3,0 Current State: 86:[83, 3], Operations: ['24+59=83', '84/28=3'] Exploring Operation: 83+3=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
0.927083
hs_5
sum_heuristic
[ 71, 47, 75, 80 ]
67
[ "75-71=4", "80/4=20", "47+20=67" ]
Current State: 67:[71, 47, 75, 80], Operations: [] Exploring Operation: 75-71=4, Resulting Numbers: [47, 80, 4] Generated Node #2: [47, 80, 4] from Operation: 75-71=4 Current State: 67:[47, 80, 4], Operations: ['75-71=4'] Exploring Operation: 80/4=20, Resulting Numbers: [47, 20] Generated Node #3: [47, 20] from Operation: 80/4=20 Current State: 67:[47, 20], Operations: ['75-71=4', '80/4=20'] Exploring Operation: 47+20=67, Resulting Numbers: [67] 67,67 equal: Goal Reached
4
Current State: 67:[71, 47, 75, 80], Operations: [] Exploring Operation: 80-47=33, Resulting Numbers: [71, 75, 33] Generated Node #0,0: 67:[71, 75, 33] Operation: 80-47=33 Exploring Operation: 75-47=28, Resulting Numbers: [71, 80, 28] Generated Node #0,1: 67:[71, 80, 28] Operation: 75-47=28 Moving to Node #0,0 Current State: 67:[71, 75, 33], Operations: ['80-47=33'] Exploring Operation: 75-33=42, Resulting Numbers: [71, 42] Generated Node #0,0,0: 67:[71, 42] Operation: 75-33=42 Exploring Operation: 71-33=38, Resulting Numbers: [75, 38] Generated Node #0,0,1: 67:[75, 38] Operation: 71-33=38 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 67:[71, 42], Operations: ['80-47=33', '75-33=42'] Exploring Operation: 71-42=29, Resulting Numbers: [29] 29,67 unequal: No Solution Exploring Operation: 71+42=113, Resulting Numbers: [113] 113,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 67:[75, 38], Operations: ['80-47=33', '71-33=38'] Exploring Operation: 75-38=37, Resulting Numbers: [37] 37,67 unequal: No Solution Exploring Operation: 75+38=113, Resulting Numbers: [113] 113,67 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: 67:[71, 80, 28], Operations: ['75-47=28'] Exploring Operation: 80-28=52, Resulting Numbers: [71, 52] Generated Node #0,1,0: 67:[71, 52] Operation: 80-28=52 Exploring Operation: 71-28=43, Resulting Numbers: [80, 43] Generated Node #0,1,1: 67:[80, 43] Operation: 71-28=43 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 67:[71, 52], Operations: ['75-47=28', '80-28=52'] Exploring Operation: 71-52=19, Resulting Numbers: [19] 19,67 unequal: No Solution Exploring Operation: 71+52=123, Resulting Numbers: [123] 123,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 67:[80, 43], Operations: ['75-47=28', '71-28=43'] Exploring Operation: 80+43=123, Resulting Numbers: [123] 123,67 unequal: No Solution Exploring Operation: 80-43=37, Resulting Numbers: [37] 37,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 10, 25, 84, 95 ]
25
[ "10+84=94", "95-94=1", "25*1=25" ]
Current State: 25:[10, 25, 84, 95], Operations: [] Exploring Operation: 10+84=94, Resulting Numbers: [25, 95, 94] Generated Node #2: [25, 95, 94] from Operation: 10+84=94 Current State: 25:[25, 95, 94], Operations: ['10+84=94'] Exploring Operation: 95-94=1, Resulting Numbers: [25, 1] Generated Node #3: [25, 1] from Operation: 95-94=1 Current State: 25:[25, 1], Operations: ['10+84=94', '95-94=1'] Exploring Operation: 25*1=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[10, 25, 84, 95], Operations: [] Exploring Operation: 84-10=74, Resulting Numbers: [25, 95, 74] Generated Node #0,0: 25:[25, 95, 74] Operation: 84-10=74 Exploring Operation: 95-25=70, Resulting Numbers: [10, 84, 70] Generated Node #0,1: 25:[10, 84, 70] Operation: 95-25=70 Exploring Operation: 95-84=11, Resulting Numbers: [10, 25, 11] Generated Node #0,2: 25:[10, 25, 11] Operation: 95-84=11 Exploring Operation: 84-25=59, Resulting Numbers: [10, 95, 59] Generated Node #0,3: 25:[10, 95, 59] Operation: 84-25=59 Exploring Operation: 95-10=85, Resulting Numbers: [25, 84, 85] Generated Node #0,4: 25:[25, 84, 85] Operation: 95-10=85 Start Sub Search at level 1: Moving to Node #0,2 Current State: 25:[10, 25, 11], Operations: ['95-84=11'] Exploring Operation: 10+11=21, Resulting Numbers: [25, 21] Generated Node #0,2,0: 25:[25, 21] Operation: 10+11=21 Exploring Operation: 11-10=1, Resulting Numbers: [25, 1] Generated Node #0,2,1: 25:[25, 1] Operation: 11-10=1 Exploring Operation: 10+25=35, Resulting Numbers: [11, 35] Generated Node #0,2,2: 25:[11, 35] Operation: 10+25=35 Exploring Operation: 25-10=15, Resulting Numbers: [11, 15] Generated Node #0,2,3: 25:[11, 15] Operation: 25-10=15 Exploring Operation: 25-11=14, Resulting Numbers: [10, 14] Generated Node #0,2,4: 25:[10, 14] Operation: 25-11=14 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 25:[25, 21], Operations: ['95-84=11', '10+11=21'] Exploring Operation: 25-21=4, Resulting Numbers: [4] 4,25 unequal: No Solution Exploring Operation: 25*21=525, Resulting Numbers: [525] 525,25 unequal: No Solution Exploring Operation: 25+21=46, Resulting Numbers: [46] 46,25 unequal: No Solution No 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: 25:[25, 1], Operations: ['95-84=11', '11-10=1'] Exploring Operation: 25+1=26, Resulting Numbers: [26] 26,25 unequal: No Solution Exploring Operation: 25-1=24, Resulting Numbers: [24] 24,25 unequal: No Solution Exploring Operation: 25*1=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Moving to Node #0 Current State: 25:[10, 25, 84, 95], Operations: [] Exploring Operation: 95-84=11, Resulting Numbers: [10, 25, 11] Generated Node #0,2: 25:[10, 25, 11] Operation: 95-84=11 Moving to Node #0,2 Current State: 25:[10, 25, 11], Operations: ['95-84=11'] Exploring Operation: 11-10=1, Resulting Numbers: [25, 1] Generated Node #0,2,1: 25:[25, 1] Operation: 11-10=1 Moving to Node #0,2,1 Current State: 25:[25, 1], Operations: ['95-84=11', '11-10=1'] Exploring Operation: 25*1=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.982639
hs_5
mult_heuristic
[ 15, 13, 33, 68 ]
51
[ "15*68=1020", "33-13=20", "1020/20=51" ]
Current State: 51:[15, 13, 33, 68], Operations: [] Exploring Operation: 15*68=1020, Resulting Numbers: [13, 33, 1020] Generated Node #2: [13, 33, 1020] from Operation: 15*68=1020 Current State: 51:[13, 33, 1020], Operations: ['15*68=1020'] Exploring Operation: 33-13=20, Resulting Numbers: [1020, 20] Generated Node #3: [1020, 20] from Operation: 33-13=20 Current State: 51:[1020, 20], Operations: ['15*68=1020', '33-13=20'] Exploring Operation: 1020/20=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[15, 13, 33, 68], Operations: [] Exploring Operation: 33-15=18, Resulting Numbers: [13, 68, 18] Generated Node #0,0: 51:[13, 68, 18] Operation: 33-15=18 Moving to Node #0,0 Current State: 51:[13, 68, 18], Operations: ['33-15=18'] Exploring Operation: 68-13=55, Resulting Numbers: [18, 55] Generated Node #0,0,0: 51:[18, 55] Operation: 68-13=55 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 51:[18, 55], Operations: ['33-15=18', '68-13=55'] Exploring Operation: 55-18=37, Resulting Numbers: [37] 37,51 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
[ 60, 38, 26, 37 ]
33
[ "60-38=22", "37-26=11", "22+11=33" ]
Current State: 33:[60, 38, 26, 37], Operations: [] Exploring Operation: 60-38=22, Resulting Numbers: [26, 37, 22] Generated Node #2: [26, 37, 22] from Operation: 60-38=22 Current State: 33:[26, 37, 22], Operations: ['60-38=22'] Exploring Operation: 37-26=11, Resulting Numbers: [22, 11] Generated Node #3: [22, 11] from Operation: 37-26=11 Current State: 33:[22, 11], Operations: ['60-38=22', '37-26=11'] Exploring Operation: 22+11=33, Resulting Numbers: [33] 33,33 equal: Goal Reached
4
Current State: 33:[60, 38, 26, 37], Operations: [] Exploring Operation: 60-26=34, Resulting Numbers: [38, 37, 34] Generated Node #0,0: 33:[38, 37, 34] Operation: 60-26=34 Exploring Operation: 60-38=22, Resulting Numbers: [26, 37, 22] Generated Node #0,1: 33:[26, 37, 22] Operation: 60-38=22 Exploring Operation: 60-37=23, Resulting Numbers: [38, 26, 23] Generated Node #0,2: 33:[38, 26, 23] Operation: 60-37=23 Exploring Operation: 38-26=12, Resulting Numbers: [60, 37, 12] Generated Node #0,3: 33:[60, 37, 12] Operation: 38-26=12 Exploring Operation: 37-26=11, Resulting Numbers: [60, 38, 11] Generated Node #0,4: 33:[60, 38, 11] Operation: 37-26=11 Start Sub Search at level 1: Moving to Node #0,0 Current State: 33:[38, 37, 34], Operations: ['60-26=34'] Exploring Operation: 38+34=72, Resulting Numbers: [37, 72] Generated Node #0,0,0: 33:[37, 72] Operation: 38+34=72 Exploring Operation: 38-34=4, Resulting Numbers: [37, 4] Generated Node #0,0,1: 33:[37, 4] Operation: 38-34=4 Exploring Operation: 37-34=3, Resulting Numbers: [38, 3] Generated Node #0,0,2: 33:[38, 3] Operation: 37-34=3 Exploring Operation: 38+37=75, Resulting Numbers: [34, 75] Generated Node #0,0,3: 33:[34, 75] Operation: 38+37=75 Exploring Operation: 38-37=1, Resulting Numbers: [34, 1] Generated Node #0,0,4: 33:[34, 1] Operation: 38-37=1 Moving to Node #0,0,4 Current State: 33:[34, 1], Operations: ['60-26=34', '38-37=1'] Exploring Operation: 34*1=34, Resulting Numbers: [34] 34,33 unequal: No Solution Exploring Operation: 34-1=33, Resulting Numbers: [33] 33,33 equal: Goal Reached Moving to Node #0 Current State: 33:[60, 38, 26, 37], Operations: [] Exploring Operation: 60-26=34, Resulting Numbers: [38, 37, 34] Generated Node #0,0: 33:[38, 37, 34] Operation: 60-26=34 Moving to Node #0,0 Current State: 33:[38, 37, 34], Operations: ['60-26=34'] Exploring Operation: 38-37=1, Resulting Numbers: [34, 1] Generated Node #0,0,4: 33:[34, 1] Operation: 38-37=1 Moving to Node #0,0,4 Current State: 33:[34, 1], Operations: ['60-26=34', '38-37=1'] Exploring Operation: 34-1=33, Resulting Numbers: [33] 33,33 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_5
mult_heuristic
[ 3, 9, 39, 33 ]
17
[ "9+39=48", "48/3=16", "33-16=17" ]
Current State: 17:[3, 9, 39, 33], Operations: [] Exploring Operation: 9+39=48, Resulting Numbers: [3, 33, 48] Generated Node #2: [3, 33, 48] from Operation: 9+39=48 Current State: 17:[3, 33, 48], Operations: ['9+39=48'] Exploring Operation: 48/3=16, Resulting Numbers: [33, 16] Generated Node #3: [33, 16] from Operation: 48/3=16 Current State: 17:[33, 16], Operations: ['9+39=48', '48/3=16'] Exploring Operation: 33-16=17, Resulting Numbers: [17] 17,17 equal: Goal Reached
4
Current State: 17:[3, 9, 39, 33], Operations: [] Exploring Operation: 39/3=13, Resulting Numbers: [9, 33, 13] Generated Node #0,0: 17:[9, 33, 13] Operation: 39/3=13 Exploring Operation: 39-33=6, Resulting Numbers: [3, 9, 6] Generated Node #0,1: 17:[3, 9, 6] Operation: 39-33=6 Exploring Operation: 33/3=11, Resulting Numbers: [9, 39, 11] Generated Node #0,2: 17:[9, 39, 11] Operation: 33/3=11 Start Sub Search at level 1: Moving to Node #0,0 Current State: 17:[9, 33, 13], Operations: ['39/3=13'] Exploring Operation: 33-13=20, Resulting Numbers: [9, 20] Generated Node #0,0,0: 17:[9, 20] Operation: 33-13=20 Exploring Operation: 33-9=24, Resulting Numbers: [13, 24] Generated Node #0,0,1: 17:[13, 24] Operation: 33-9=24 Exploring Operation: 9+13=22, Resulting Numbers: [33, 22] Generated Node #0,0,2: 17:[33, 22] Operation: 9+13=22 Moving to Node #0,0,0 Current State: 17:[9, 20], Operations: ['39/3=13', '33-13=20'] Exploring Operation: 20-9=11, Resulting Numbers: [11] 11,17 unequal: No Solution Exploring Operation: 9*20=180, Resulting Numbers: [180] 180,17 unequal: No Solution Exploring Operation: 9+20=29, Resulting Numbers: [29] 29,17 unequal: No Solution Moving to Node #0,0,1 Current State: 17:[13, 24], Operations: ['39/3=13', '33-9=24'] Exploring Operation: 13*24=312, Resulting Numbers: [312] 312,17 unequal: No Solution Exploring Operation: 13+24=37, Resulting Numbers: [37] 37,17 unequal: No Solution Exploring Operation: 24-13=11, Resulting Numbers: [11] 11,17 unequal: No Solution Moving to Node #0,0,2 Current State: 17:[33, 22], Operations: ['39/3=13', '9+13=22'] Exploring Operation: 33*22=726, Resulting Numbers: [726] 726,17 unequal: No Solution Exploring Operation: 33-22=11, Resulting Numbers: [11] 11,17 unequal: No Solution Exploring Operation: 33+22=55, Resulting Numbers: [55] 55,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 17:[3, 9, 6], Operations: ['39-33=6'] Exploring Operation: 3+6=9, Resulting Numbers: [9, 9] Generated Node #0,1,0: 17:[9, 9] Operation: 3+6=9 Exploring Operation: 3*6=18, Resulting Numbers: [9, 18] Generated Node #0,1,1: 17:[9, 18] Operation: 3*6=18 Exploring Operation: 3+9=12, Resulting Numbers: [6, 12] Generated Node #0,1,2: 17:[6, 12] Operation: 3+9=12 Moving to Node #0,1,1 Current State: 17:[9, 18], Operations: ['39-33=6', '3*6=18'] Exploring Operation: 18-9=9, Resulting Numbers: [9] 9,17 unequal: No Solution Exploring Operation: 18/9=2, Resulting Numbers: [2] 2,17 unequal: No Solution Exploring Operation: 9+18=27, Resulting Numbers: [27] 27,17 unequal: No Solution Moving to Node #0,1,0 Current State: 17:[9, 9], Operations: ['39-33=6', '3+6=9'] Exploring Operation: 9/9=1, Resulting Numbers: [1] 1,17 unequal: No Solution Exploring Operation: 9+9=18, Resulting Numbers: [18] 18,17 unequal: No Solution Exploring Operation: 9-9=0, Resulting Numbers: [0] 0,17 unequal: No Solution Moving to Node #0,1,2 Current State: 17:[6, 12], Operations: ['39-33=6', '3+9=12'] Exploring Operation: 6+12=18, Resulting Numbers: [18] 18,17 unequal: No Solution Exploring Operation: 12-6=6, Resulting Numbers: [6] 6,17 unequal: No Solution Exploring Operation: 12/6=2, Resulting Numbers: [2] 2,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 17:[9, 39, 11], Operations: ['33/3=11'] Exploring Operation: 39-9=30, Resulting Numbers: [11, 30] Generated Node #0,2,0: 17:[11, 30] Operation: 39-9=30 Exploring Operation: 9+11=20, Resulting Numbers: [39, 20] Generated Node #0,2,1: 17:[39, 20] Operation: 9+11=20 Exploring Operation: 39-11=28, Resulting Numbers: [9, 28] Generated Node #0,2,2: 17:[9, 28] Operation: 39-11=28 Moving to Node #0,2,0 Current State: 17:[11, 30], Operations: ['33/3=11', '39-9=30'] Exploring Operation: 30-11=19, Resulting Numbers: [19] 19,17 unequal: No Solution Exploring Operation: 11*30=330, Resulting Numbers: [330] 330,17 unequal: No Solution Exploring Operation: 11+30=41, Resulting Numbers: [41] 41,17 unequal: No Solution Moving to Node #0,2,2 Current State: 17:[9, 28], Operations: ['33/3=11', '39-11=28'] Exploring Operation: 9+28=37, Resulting Numbers: [37] 37,17 unequal: No Solution Exploring Operation: 9*28=252, Resulting Numbers: [252] 252,17 unequal: No Solution Exploring Operation: 28-9=19, Resulting Numbers: [19] 19,17 unequal: No Solution Moving to Node #0,2,1 Current State: 17:[39, 20], Operations: ['33/3=11', '9+11=20'] Exploring Operation: 39*20=780, Resulting Numbers: [780] 780,17 unequal: No Solution Exploring Operation: 39+20=59, Resulting Numbers: [59] 59,17 unequal: No Solution Exploring Operation: 39-20=19, Resulting Numbers: [19] 19,17 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, 64, 27, 9 ]
21
[ "64-57=7", "27/9=3", "7*3=21" ]
Current State: 21:[57, 64, 27, 9], Operations: [] Exploring Operation: 64-57=7, Resulting Numbers: [27, 9, 7] Generated Node #2: [27, 9, 7] from Operation: 64-57=7 Current State: 21:[27, 9, 7], Operations: ['64-57=7'] Exploring Operation: 27/9=3, Resulting Numbers: [7, 3] Generated Node #3: [7, 3] from Operation: 27/9=3 Current State: 21:[7, 3], Operations: ['64-57=7', '27/9=3'] Exploring Operation: 7*3=21, Resulting Numbers: [21] 21,21 equal: Goal Reached
4
Current State: 21:[57, 64, 27, 9], Operations: [] Exploring Operation: 64-57=7, Resulting Numbers: [27, 9, 7] Generated Node #0,0: 21:[27, 9, 7] Operation: 64-57=7 Moving to Node #0,0 Current State: 21:[27, 9, 7], Operations: ['64-57=7'] Exploring Operation: 27/9=3, Resulting Numbers: [7, 3] Generated Node #0,0,0: 21:[7, 3] Operation: 27/9=3 Moving to Node #0,0,0 Current State: 21:[7, 3], Operations: ['64-57=7', '27/9=3'] Exploring Operation: 7*3=21, Resulting Numbers: [21] 21,21 equal: Goal Reached Moving to Node #0 Current State: 21:[57, 64, 27, 9], Operations: [] Exploring Operation: 64-57=7, Resulting Numbers: [27, 9, 7] Generated Node #0,0: 21:[27, 9, 7] Operation: 64-57=7 Moving to Node #0,0 Current State: 21:[27, 9, 7], Operations: ['64-57=7'] Exploring Operation: 27/9=3, Resulting Numbers: [7, 3] Generated Node #0,0,0: 21:[7, 3] Operation: 27/9=3 Moving to Node #0,0,0 Current State: 21:[7, 3], Operations: ['64-57=7', '27/9=3'] Exploring Operation: 7*3=21, Resulting Numbers: [21] 21,21 equal: Goal Reached
0.993924
hs_1
mult_heuristic
[ 49, 5, 5, 28 ]
67
[ "49-5=44", "28-5=23", "44+23=67" ]
Current State: 67:[49, 5, 5, 28], Operations: [] Exploring Operation: 49-5=44, Resulting Numbers: [28, 44] Generated Node #2: [28, 44] from Operation: 49-5=44 Current State: 67:[28, 44], Operations: ['49-5=44'] Exploring Operation: 28-5=23, Resulting Numbers: [44, 23] Generated Node #3: [44, 23] from Operation: 28-5=23 Current State: 67:[44, 23], Operations: ['49-5=44', '28-5=23'] Exploring Operation: 44+23=67, Resulting Numbers: [67] 67,67 equal: Goal Reached
4
Current State: 67:[49, 5, 5, 28], Operations: [] Exploring Operation: 49+5=54, Resulting Numbers: [5, 28, 54] Generated Node #0,0: 67:[5, 28, 54] Operation: 49+5=54 Exploring Operation: 49+5=54, Resulting Numbers: [5, 28, 54] Generated Node #0,1: 67:[5, 28, 54] Operation: 49+5=54 Exploring Operation: 5*5=25, Resulting Numbers: [49, 28, 25] Generated Node #0,2: 67:[49, 28, 25] Operation: 5*5=25 Start Sub Search at level 1: Moving to Node #0,2 Current State: 67:[49, 28, 25], Operations: ['5*5=25'] Exploring Operation: 28+25=53, Resulting Numbers: [49, 53] Generated Node #0,2,0: 67:[49, 53] Operation: 28+25=53 Exploring Operation: 49+28=77, Resulting Numbers: [25, 77] Generated Node #0,2,1: 67:[25, 77] Operation: 49+28=77 Exploring Operation: 49+25=74, Resulting Numbers: [28, 74] Generated Node #0,2,2: 67:[28, 74] Operation: 49+25=74 Moving to Node #0,2,0 Current State: 67:[49, 53], Operations: ['5*5=25', '28+25=53'] Exploring Operation: 53-49=4, Resulting Numbers: [4] 4,67 unequal: No Solution Exploring Operation: 49+53=102, Resulting Numbers: [102] 102,67 unequal: No Solution Exploring Operation: 49*53=2597, Resulting Numbers: [2597] 2597,67 unequal: No Solution Moving to Node #0,2,2 Current State: 67:[28, 74], Operations: ['5*5=25', '49+25=74'] Exploring Operation: 28+74=102, Resulting Numbers: [102] 102,67 unequal: No Solution Exploring Operation: 28*74=2072, Resulting Numbers: [2072] 2072,67 unequal: No Solution Exploring Operation: 74-28=46, Resulting Numbers: [46] 46,67 unequal: No Solution Moving to Node #0,2,1 Current State: 67:[25, 77], Operations: ['5*5=25', '49+28=77'] Exploring Operation: 77-25=52, Resulting Numbers: [52] 52,67 unequal: No Solution Exploring Operation: 25+77=102, Resulting Numbers: [102] 102,67 unequal: No Solution Exploring Operation: 25*77=1925, Resulting Numbers: [1925] 1925,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 67:[5, 28, 54], Operations: ['49+5=54'] Exploring Operation: 5+54=59, Resulting Numbers: [28, 59] Generated Node #0,0,0: 67:[28, 59] Operation: 5+54=59 Exploring Operation: 28-5=23, Resulting Numbers: [54, 23] Generated Node #0,0,1: 67:[54, 23] Operation: 28-5=23 Exploring Operation: 5+28=33, Resulting Numbers: [54, 33] Generated Node #0,0,2: 67:[54, 33] Operation: 5+28=33 Moving to Node #0,0,0 Current State: 67:[28, 59], Operations: ['49+5=54', '5+54=59'] Exploring Operation: 28*59=1652, Resulting Numbers: [1652] 1652,67 unequal: No Solution Exploring Operation: 59-28=31, Resulting Numbers: [31] 31,67 unequal: No Solution Exploring Operation: 28+59=87, Resulting Numbers: [87] 87,67 unequal: No Solution Moving to Node #0,0,2 Current State: 67:[54, 33], Operations: ['49+5=54', '5+28=33'] Exploring Operation: 54+33=87, Resulting Numbers: [87] 87,67 unequal: No Solution Exploring Operation: 54*33=1782, Resulting Numbers: [1782] 1782,67 unequal: No Solution Exploring Operation: 54-33=21, Resulting Numbers: [21] 21,67 unequal: No Solution Moving to Node #0,0,1 Current State: 67:[54, 23], Operations: ['49+5=54', '28-5=23'] Exploring Operation: 54*23=1242, Resulting Numbers: [1242] 1242,67 unequal: No Solution Exploring Operation: 54-23=31, Resulting Numbers: [31] 31,67 unequal: No Solution Exploring Operation: 54+23=77, Resulting Numbers: [77] 77,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 67:[5, 28, 54], Operations: ['49+5=54'] Exploring Operation: 28-5=23, Resulting Numbers: [54, 23] Generated Node #0,1,0: 67:[54, 23] Operation: 28-5=23 Exploring Operation: 5+54=59, Resulting Numbers: [28, 59] Generated Node #0,1,1: 67:[28, 59] Operation: 5+54=59 Exploring Operation: 5+28=33, Resulting Numbers: [54, 33] Generated Node #0,1,2: 67:[54, 33] Operation: 5+28=33 Moving to Node #0,1,1 Current State: 67:[28, 59], Operations: ['49+5=54', '5+54=59'] Exploring Operation: 28+59=87, Resulting Numbers: [87] 87,67 unequal: No Solution Exploring Operation: 28*59=1652, Resulting Numbers: [1652] 1652,67 unequal: No Solution Exploring Operation: 59-28=31, Resulting Numbers: [31] 31,67 unequal: No Solution Moving to Node #0,1,2 Current State: 67:[54, 33], Operations: ['49+5=54', '5+28=33'] Exploring Operation: 54-33=21, Resulting Numbers: [21] 21,67 unequal: No Solution Exploring Operation: 54+33=87, Resulting Numbers: [87] 87,67 unequal: No Solution Exploring Operation: 54*33=1782, Resulting Numbers: [1782] 1782,67 unequal: No Solution Moving to Node #0,1,0 Current State: 67:[54, 23], Operations: ['49+5=54', '28-5=23'] Exploring Operation: 54-23=31, Resulting Numbers: [31] 31,67 unequal: No Solution Exploring Operation: 54*23=1242, Resulting Numbers: [1242] 1242,67 unequal: No Solution Exploring Operation: 54+23=77, Resulting Numbers: [77] 77,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
mult_heuristic
[ 39, 28, 81, 82 ]
67
[ "39+28=67", "82-81=1", "67*1=67" ]
Current State: 67:[39, 28, 81, 82], Operations: [] Exploring Operation: 39+28=67, Resulting Numbers: [81, 82, 67] Generated Node #2: [81, 82, 67] from Operation: 39+28=67 Current State: 67:[81, 82, 67], Operations: ['39+28=67'] Exploring Operation: 82-81=1, Resulting Numbers: [67, 1] Generated Node #3: [67, 1] from Operation: 82-81=1 Current State: 67:[67, 1], Operations: ['39+28=67', '82-81=1'] Exploring Operation: 67*1=67, Resulting Numbers: [67] 67,67 equal: Goal Reached
4
Current State: 67:[39, 28, 81, 82], Operations: [] Exploring Operation: 82-28=54, Resulting Numbers: [39, 81, 54] Generated Node #0,0: 67:[39, 81, 54] Operation: 82-28=54 Exploring Operation: 39+28=67, Resulting Numbers: [81, 82, 67] Generated Node #0,1: 67:[81, 82, 67] Operation: 39+28=67 Exploring Operation: 82-39=43, Resulting Numbers: [28, 81, 43] Generated Node #0,2: 67:[28, 81, 43] Operation: 82-39=43 Exploring Operation: 81-28=53, Resulting Numbers: [39, 82, 53] Generated Node #0,3: 67:[39, 82, 53] Operation: 81-28=53 Moving to Node #0,1 Current State: 67:[81, 82, 67], Operations: ['39+28=67'] Exploring Operation: 82-67=15, Resulting Numbers: [81, 15] Generated Node #0,1,0: 67:[81, 15] Operation: 82-67=15 Exploring Operation: 81-67=14, Resulting Numbers: [82, 14] Generated Node #0,1,1: 67:[82, 14] Operation: 81-67=14 Exploring Operation: 81+82=163, Resulting Numbers: [67, 163] Generated Node #0,1,2: 67:[67, 163] Operation: 81+82=163 Exploring Operation: 82-81=1, Resulting Numbers: [67, 1] Generated Node #0,1,3: 67:[67, 1] Operation: 82-81=1 Moving to Node #0,0 Current State: 67:[39, 81, 54], Operations: ['82-28=54'] Exploring Operation: 54-39=15, Resulting Numbers: [81, 15] Generated Node #0,0,0: 67:[81, 15] Operation: 54-39=15 Exploring Operation: 81-39=42, Resulting Numbers: [54, 42] Generated Node #0,0,1: 67:[54, 42] Operation: 81-39=42 Exploring Operation: 39+81=120, Resulting Numbers: [54, 120] Generated Node #0,0,2: 67:[54, 120] Operation: 39+81=120 Exploring Operation: 39+54=93, Resulting Numbers: [81, 93] Generated Node #0,0,3: 67:[81, 93] Operation: 39+54=93 Moving to Node #0,3 Current State: 67:[39, 82, 53], Operations: ['81-28=53'] Exploring Operation: 82-53=29, Resulting Numbers: [39, 29] Generated Node #0,3,0: 67:[39, 29] Operation: 82-53=29 Exploring Operation: 39+82=121, Resulting Numbers: [53, 121] Generated Node #0,3,1: 67:[53, 121] Operation: 39+82=121 Exploring Operation: 82-39=43, Resulting Numbers: [53, 43] Generated Node #0,3,2: 67:[53, 43] Operation: 82-39=43 Exploring Operation: 39+53=92, Resulting Numbers: [82, 92] Generated Node #0,3,3: 67:[82, 92] Operation: 39+53=92 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 67:[53, 43], Operations: ['81-28=53', '82-39=43'] Exploring Operation: 53*43=2279, Resulting Numbers: [2279] 2279,67 unequal: No Solution Exploring Operation: 53-43=10, Resulting Numbers: [10] 10,67 unequal: No Solution Exploring Operation: 53+43=96, Resulting Numbers: [96] 96,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 67:[82, 92], Operations: ['81-28=53', '39+53=92'] Exploring Operation: 82*92=7544, Resulting Numbers: [7544] 7544,67 unequal: No Solution Exploring Operation: 92-82=10, Resulting Numbers: [10] 10,67 unequal: No Solution Exploring Operation: 82+92=174, Resulting Numbers: [174] 174,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 67:[39, 29], Operations: ['81-28=53', '82-53=29'] Exploring Operation: 39+29=68, Resulting Numbers: [68] 68,67 unequal: No Solution Exploring Operation: 39-29=10, Resulting Numbers: [10] 10,67 unequal: No Solution Exploring Operation: 39*29=1131, Resulting Numbers: [1131] 1131,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 67:[53, 121], Operations: ['81-28=53', '39+82=121'] Exploring Operation: 53+121=174, Resulting Numbers: [174] 174,67 unequal: No Solution Exploring Operation: 121-53=68, Resulting Numbers: [68] 68,67 unequal: No Solution Exploring Operation: 53*121=6413, Resulting Numbers: [6413] 6413,67 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: 67:[28, 81, 43], Operations: ['82-39=43'] Exploring Operation: 43-28=15, Resulting Numbers: [81, 15] Generated Node #0,2,0: 67:[81, 15] Operation: 43-28=15 Exploring Operation: 81-28=53, Resulting Numbers: [43, 53] Generated Node #0,2,1: 67:[43, 53] Operation: 81-28=53 Exploring Operation: 28+43=71, Resulting Numbers: [81, 71] Generated Node #0,2,2: 67:[81, 71] Operation: 28+43=71 Exploring Operation: 28+81=109, Resulting Numbers: [43, 109] Generated Node #0,2,3: 67:[43, 109] Operation: 28+81=109 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 67:[81, 71], Operations: ['82-39=43', '28+43=71'] Exploring Operation: 81+71=152, Resulting Numbers: [152] 152,67 unequal: No Solution Exploring Operation: 81*71=5751, Resulting Numbers: [5751] 5751,67 unequal: No Solution Exploring Operation: 81-71=10, Resulting Numbers: [10] 10,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 67:[43, 53], Operations: ['82-39=43', '81-28=53'] Exploring Operation: 53-43=10, Resulting Numbers: [10] 10,67 unequal: No Solution Exploring Operation: 43+53=96, Resulting Numbers: [96] 96,67 unequal: No Solution Exploring Operation: 43*53=2279, Resulting Numbers: [2279] 2279,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 67:[81, 15], Operations: ['82-39=43', '43-28=15'] Exploring Operation: 81*15=1215, Resulting Numbers: [1215] 1215,67 unequal: No Solution Exploring Operation: 81+15=96, Resulting Numbers: [96] 96,67 unequal: No Solution Exploring Operation: 81-15=66, Resulting Numbers: [66] 66,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 67:[43, 109], Operations: ['82-39=43', '28+81=109'] Exploring Operation: 109-43=66, Resulting Numbers: [66] 66,67 unequal: No Solution Exploring Operation: 43+109=152, Resulting Numbers: [152] 152,67 unequal: No Solution Exploring Operation: 43*109=4687, Resulting Numbers: [4687] 4687,67 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: 67:[54, 42], Operations: ['82-28=54', '81-39=42'] Exploring Operation: 54-42=12, Resulting Numbers: [12] 12,67 unequal: No Solution Exploring Operation: 54*42=2268, Resulting Numbers: [2268] 2268,67 unequal: No Solution Exploring Operation: 54+42=96, Resulting Numbers: [96] 96,67 unequal: No Solution Moving to Node #0,0,3 Current State: 67:[81, 93], Operations: ['82-28=54', '39+54=93'] Exploring Operation: 93-81=12, Resulting Numbers: [12] 12,67 unequal: No Solution Exploring Operation: 81+93=174, Resulting Numbers: [174] 174,67 unequal: No Solution Exploring Operation: 81*93=7533, Resulting Numbers: [7533] 7533,67 unequal: No Solution Moving to Node #0,0,0 Current State: 67:[81, 15], Operations: ['82-28=54', '54-39=15'] Exploring Operation: 81*15=1215, Resulting Numbers: [1215] 1215,67 unequal: No Solution Exploring Operation: 81+15=96, Resulting Numbers: [96] 96,67 unequal: No Solution Exploring Operation: 81-15=66, Resulting Numbers: [66] 66,67 unequal: No Solution Moving to Node #0,1,0 Current State: 67:[81, 15], Operations: ['39+28=67', '82-67=15'] Exploring Operation: 81+15=96, Resulting Numbers: [96] 96,67 unequal: No Solution Exploring Operation: 81*15=1215, Resulting Numbers: [1215] 1215,67 unequal: No Solution Exploring Operation: 81-15=66, Resulting Numbers: [66] 66,67 unequal: No Solution Moving to Node #0,1,3 Current State: 67:[67, 1], Operations: ['39+28=67', '82-81=1'] Exploring Operation: 67-1=66, Resulting Numbers: [66] 66,67 unequal: No Solution Exploring Operation: 67+1=68, Resulting Numbers: [68] 68,67 unequal: No Solution Exploring Operation: 67*1=67, Resulting Numbers: [67] 67,67 equal: Goal Reached Moving to Node #0 Current State: 67:[39, 28, 81, 82], Operations: [] Exploring Operation: 39+28=67, Resulting Numbers: [81, 82, 67] Generated Node #0,1: 67:[81, 82, 67] Operation: 39+28=67 Moving to Node #0,1 Current State: 67:[81, 82, 67], Operations: ['39+28=67'] Exploring Operation: 82-81=1, Resulting Numbers: [67, 1] Generated Node #0,1,3: 67:[67, 1] Operation: 82-81=1 Moving to Node #0,1,3 Current State: 67:[67, 1], Operations: ['39+28=67', '82-81=1'] Exploring Operation: 67*1=67, Resulting Numbers: [67] 67,67 equal: Goal Reached
0.945313
hs_4
mult_heuristic
[ 63, 82, 71, 11 ]
41
[ "82-63=19", "71-11=60", "60-19=41" ]
Current State: 41:[63, 82, 71, 11], Operations: [] Exploring Operation: 82-63=19, Resulting Numbers: [71, 11, 19] Generated Node #2: [71, 11, 19] from Operation: 82-63=19 Current State: 41:[71, 11, 19], Operations: ['82-63=19'] Exploring Operation: 71-11=60, Resulting Numbers: [19, 60] Generated Node #3: [19, 60] from Operation: 71-11=60 Current State: 41:[19, 60], Operations: ['82-63=19', '71-11=60'] Exploring Operation: 60-19=41, Resulting Numbers: [41] 41,41 equal: Goal Reached
4
Current State: 41:[63, 82, 71, 11], Operations: [] Exploring Operation: 82-63=19, Resulting Numbers: [71, 11, 19] Generated Node #0,0: 41:[71, 11, 19] Operation: 82-63=19 Exploring Operation: 63-11=52, Resulting Numbers: [82, 71, 52] Generated Node #0,1: 41:[82, 71, 52] Operation: 63-11=52 Start Sub Search at level 1: Moving to Node #0,0 Current State: 41:[71, 11, 19], Operations: ['82-63=19'] Exploring Operation: 71-19=52, Resulting Numbers: [11, 52] Generated Node #0,0,0: 41:[11, 52] Operation: 71-19=52 Exploring Operation: 71-11=60, Resulting Numbers: [19, 60] Generated Node #0,0,1: 41:[19, 60] Operation: 71-11=60 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 41:[11, 52], Operations: ['82-63=19', '71-19=52'] Exploring Operation: 11+52=63, Resulting Numbers: [63] 63,41 unequal: No Solution Exploring Operation: 52-11=41, Resulting Numbers: [41] 41,41 equal: Goal Reached Moving to Node #0 Current State: 41:[63, 82, 71, 11], Operations: [] Exploring Operation: 82-63=19, Resulting Numbers: [71, 11, 19] Generated Node #0,0: 41:[71, 11, 19] Operation: 82-63=19 Moving to Node #0,0 Current State: 41:[71, 11, 19], Operations: ['82-63=19'] Exploring Operation: 71-19=52, Resulting Numbers: [11, 52] Generated Node #0,0,0: 41:[11, 52] Operation: 71-19=52 Moving to Node #0,0,0 Current State: 41:[11, 52], Operations: ['82-63=19', '71-19=52'] Exploring Operation: 52-11=41, Resulting Numbers: [41] 41,41 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.991319
hs_2
sum_heuristic
[ 53, 19, 11, 12 ]
34
[ "53-19=34", "12-11=1", "34*1=34" ]
Current State: 34:[53, 19, 11, 12], Operations: [] Exploring Operation: 53-19=34, Resulting Numbers: [11, 12, 34] Generated Node #2: [11, 12, 34] from Operation: 53-19=34 Current State: 34:[11, 12, 34], Operations: ['53-19=34'] Exploring Operation: 12-11=1, Resulting Numbers: [34, 1] Generated Node #3: [34, 1] from Operation: 12-11=1 Current State: 34:[34, 1], Operations: ['53-19=34', '12-11=1'] Exploring Operation: 34*1=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
4
Current State: 34:[53, 19, 11, 12], Operations: [] Exploring Operation: 53-12=41, Resulting Numbers: [19, 11, 41] Generated Node #0,0: 34:[19, 11, 41] Operation: 53-12=41 Exploring Operation: 53-11=42, Resulting Numbers: [19, 12, 42] Generated Node #0,1: 34:[19, 12, 42] Operation: 53-11=42 Exploring Operation: 53-19=34, Resulting Numbers: [11, 12, 34] Generated Node #0,2: 34:[11, 12, 34] Operation: 53-19=34 Start Sub Search at level 1: Moving to Node #0,2 Current State: 34:[11, 12, 34], Operations: ['53-19=34'] Exploring Operation: 34-11=23, Resulting Numbers: [12, 23] Generated Node #0,2,0: 34:[12, 23] Operation: 34-11=23 Exploring Operation: 12-11=1, Resulting Numbers: [34, 1] Generated Node #0,2,1: 34:[34, 1] Operation: 12-11=1 Exploring Operation: 11+12=23, Resulting Numbers: [34, 23] Generated Node #0,2,2: 34:[34, 23] Operation: 11+12=23 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 34:[34, 1], Operations: ['53-19=34', '12-11=1'] Exploring Operation: 34/1=34, Resulting Numbers: [34] 34,34 equal: Goal Reached Moving to Node #0 Current State: 34:[53, 19, 11, 12], Operations: [] Exploring Operation: 53-19=34, Resulting Numbers: [11, 12, 34] Generated Node #0,2: 34:[11, 12, 34] Operation: 53-19=34 Moving to Node #0,2 Current State: 34:[11, 12, 34], Operations: ['53-19=34'] Exploring Operation: 12-11=1, Resulting Numbers: [34, 1] Generated Node #0,2,1: 34:[34, 1] Operation: 12-11=1 Moving to Node #0,2,1 Current State: 34:[34, 1], Operations: ['53-19=34', '12-11=1'] Exploring Operation: 34/1=34, Resulting Numbers: [34] 34,34 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.990451
hs_3
sum_heuristic
[ 23, 20, 52, 16 ]
21
[ "23*16=368", "52+368=420", "420/20=21" ]
Current State: 21:[23, 20, 52, 16], Operations: [] Exploring Operation: 23*16=368, Resulting Numbers: [20, 52, 368] Generated Node #2: [20, 52, 368] from Operation: 23*16=368 Current State: 21:[20, 52, 368], Operations: ['23*16=368'] Exploring Operation: 52+368=420, Resulting Numbers: [20, 420] Generated Node #3: [20, 420] from Operation: 52+368=420 Current State: 21:[20, 420], Operations: ['23*16=368', '52+368=420'] Exploring Operation: 420/20=21, Resulting Numbers: [21] 21,21 equal: Goal Reached
4
Current State: 21:[23, 20, 52, 16], Operations: [] Exploring Operation: 52-23=29, Resulting Numbers: [20, 16, 29] Generated Node #0,0: 21:[20, 16, 29] Operation: 52-23=29 Exploring Operation: 52-20=32, Resulting Numbers: [23, 16, 32] Generated Node #0,1: 21:[23, 16, 32] Operation: 52-20=32 Exploring Operation: 23-16=7, Resulting Numbers: [20, 52, 7] Generated Node #0,2: 21:[20, 52, 7] Operation: 23-16=7 Exploring Operation: 20-16=4, Resulting Numbers: [23, 52, 4] Generated Node #0,3: 21:[23, 52, 4] Operation: 20-16=4 Exploring Operation: 52-16=36, Resulting Numbers: [23, 20, 36] Generated Node #0,4: 21:[23, 20, 36] Operation: 52-16=36 Start Sub Search at level 1: Moving to Node #0,0 Current State: 21:[20, 16, 29], Operations: ['52-23=29'] Exploring Operation: 20-16=4, Resulting Numbers: [29, 4] Generated Node #0,0,0: 21:[29, 4] Operation: 20-16=4 Exploring Operation: 20+16=36, Resulting Numbers: [29, 36] Generated Node #0,0,1: 21:[29, 36] Operation: 20+16=36 Exploring Operation: 29-20=9, Resulting Numbers: [16, 9] Generated Node #0,0,2: 21:[16, 9] Operation: 29-20=9 Exploring Operation: 16+29=45, Resulting Numbers: [20, 45] Generated Node #0,0,3: 21:[20, 45] Operation: 16+29=45 Exploring Operation: 29-16=13, Resulting Numbers: [20, 13] Generated Node #0,0,4: 21:[20, 13] Operation: 29-16=13 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 21:[16, 9], Operations: ['52-23=29', '29-20=9'] Exploring Operation: 16*9=144, Resulting Numbers: [144] 144,21 unequal: No Solution Exploring Operation: 16+9=25, Resulting Numbers: [25] 25,21 unequal: No Solution Exploring Operation: 16-9=7, Resulting Numbers: [7] 7,21 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 #0,0,4 Current State: 21:[20, 13], Operations: ['52-23=29', '29-16=13'] Exploring Operation: 20*13=260, Resulting Numbers: [260] 260,21 unequal: No Solution Exploring Operation: 20+13=33, Resulting Numbers: [33] 33,21 unequal: No Solution Exploring Operation: 20-13=7, Resulting Numbers: [7] 7,21 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 #0,0,0 Current State: 21:[29, 4], Operations: ['52-23=29', '20-16=4'] Exploring Operation: 29+4=33, Resulting Numbers: [33] 33,21 unequal: No Solution Exploring Operation: 29*4=116, Resulting Numbers: [116] 116,21 unequal: No Solution Exploring Operation: 29-4=25, Resulting Numbers: [25] 25,21 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 #0,0,1 Current State: 21:[29, 36], Operations: ['52-23=29', '20+16=36'] Exploring Operation: 29*36=1044, Resulting Numbers: [1044] 1044,21 unequal: No Solution Exploring Operation: 29+36=65, Resulting Numbers: [65] 65,21 unequal: No Solution Exploring Operation: 36-29=7, Resulting Numbers: [7] 7,21 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 #0,0,3 Current State: 21:[20, 45], Operations: ['52-23=29', '16+29=45'] Exploring Operation: 20+45=65, Resulting Numbers: [65] 65,21 unequal: No Solution Exploring Operation: 45-20=25, Resulting Numbers: [25] 25,21 unequal: No Solution Exploring Operation: 20*45=900, Resulting Numbers: [900] 900,21 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 #0,1 Current State: 21:[23, 16, 32], Operations: ['52-20=32'] Exploring Operation: 32-23=9, Resulting Numbers: [16, 9] Generated Node #0,1,0: 21:[16, 9] Operation: 32-23=9 Exploring Operation: 23-16=7, Resulting Numbers: [32, 7] Generated Node #0,1,1: 21:[32, 7] Operation: 23-16=7 Exploring Operation: 32-16=16, Resulting Numbers: [23, 16] Generated Node #0,1,2: 21:[23, 16] Operation: 32-16=16 Exploring Operation: 23+16=39, Resulting Numbers: [32, 39] Generated Node #0,1,3: 21:[32, 39] Operation: 23+16=39 Exploring Operation: 32/16=2, Resulting Numbers: [23, 2] Generated Node #0,1,4: 21:[23, 2] Operation: 32/16=2 Moving to Node #0,1,4 Current State: 21:[23, 2], Operations: ['52-20=32', '32/16=2'] Exploring Operation: 23+2=25, Resulting Numbers: [25] 25,21 unequal: No Solution Exploring Operation: 23*2=46, Resulting Numbers: [46] 46,21 unequal: No Solution Exploring Operation: 23-2=21, Resulting Numbers: [21] 21,21 equal: Goal Reached Moving to Node #0 Current State: 21:[23, 20, 52, 16], Operations: [] Exploring Operation: 52-20=32, Resulting Numbers: [23, 16, 32] Generated Node #0,1: 21:[23, 16, 32] Operation: 52-20=32 Moving to Node #0,1 Current State: 21:[23, 16, 32], Operations: ['52-20=32'] Exploring Operation: 32/16=2, Resulting Numbers: [23, 2] Generated Node #0,1,4: 21:[23, 2] Operation: 32/16=2 Moving to Node #0,1,4 Current State: 21:[23, 2], Operations: ['52-20=32', '32/16=2'] Exploring Operation: 23-2=21, Resulting Numbers: [21] 21,21 equal: Goal Reached Exit Sub Search at level 1
0.967882
hs_5
sum_heuristic
[ 28, 57, 36, 23 ]
26
[ "28+57=85", "36+23=59", "85-59=26" ]
Current State: 26:[28, 57, 36, 23], Operations: [] Exploring Operation: 28+57=85, Resulting Numbers: [36, 23, 85] Generated Node #2: [36, 23, 85] from Operation: 28+57=85 Current State: 26:[36, 23, 85], Operations: ['28+57=85'] Exploring Operation: 36+23=59, Resulting Numbers: [85, 59] Generated Node #3: [85, 59] from Operation: 36+23=59 Current State: 26:[85, 59], Operations: ['28+57=85', '36+23=59'] Exploring Operation: 85-59=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
4
Current State: 26:[28, 57, 36, 23], Operations: [] Exploring Operation: 57-36=21, Resulting Numbers: [28, 23, 21] Generated Node #0,0: 26:[28, 23, 21] Operation: 57-36=21 Exploring Operation: 57-23=34, Resulting Numbers: [28, 36, 34] Generated Node #0,1: 26:[28, 36, 34] Operation: 57-23=34 Exploring Operation: 36-23=13, Resulting Numbers: [28, 57, 13] Generated Node #0,2: 26:[28, 57, 13] Operation: 36-23=13 Exploring Operation: 57-28=29, Resulting Numbers: [36, 23, 29] Generated Node #0,3: 26:[36, 23, 29] Operation: 57-28=29 Start Sub Search at level 1: Moving to Node #0,0 Current State: 26:[28, 23, 21], Operations: ['57-36=21'] Exploring Operation: 23-21=2, Resulting Numbers: [28, 2] Generated Node #0,0,0: 26:[28, 2] Operation: 23-21=2 Exploring Operation: 28-23=5, Resulting Numbers: [21, 5] Generated Node #0,0,1: 26:[21, 5] Operation: 28-23=5 Exploring Operation: 28-21=7, Resulting Numbers: [23, 7] Generated Node #0,0,2: 26:[23, 7] Operation: 28-21=7 Exploring Operation: 23+21=44, Resulting Numbers: [28, 44] Generated Node #0,0,3: 26:[28, 44] Operation: 23+21=44 Moving to Node #0,0,0 Current State: 26:[28, 2], Operations: ['57-36=21', '23-21=2'] Exploring Operation: 28*2=56, Resulting Numbers: [56] 56,26 unequal: No Solution Exploring Operation: 28+2=30, Resulting Numbers: [30] 30,26 unequal: No Solution Exploring Operation: 28-2=26, Resulting Numbers: [26] 26,26 equal: Goal Reached Moving to Node #0 Current State: 26:[28, 57, 36, 23], Operations: [] Exploring Operation: 57-36=21, Resulting Numbers: [28, 23, 21] Generated Node #0,0: 26:[28, 23, 21] Operation: 57-36=21 Moving to Node #0,0 Current State: 26:[28, 23, 21], Operations: ['57-36=21'] Exploring Operation: 23-21=2, Resulting Numbers: [28, 2] Generated Node #0,0,0: 26:[28, 2] Operation: 23-21=2 Moving to Node #0,0,0 Current State: 26:[28, 2], Operations: ['57-36=21', '23-21=2'] Exploring Operation: 28-2=26, Resulting Numbers: [26] 26,26 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_4
mult_heuristic
[ 68, 13, 59, 95 ]
99
[ "68-13=55", "59+95=154", "154-55=99" ]
Current State: 99:[68, 13, 59, 95], Operations: [] Exploring Operation: 68-13=55, Resulting Numbers: [59, 95, 55] Generated Node #2: [59, 95, 55] from Operation: 68-13=55 Current State: 99:[59, 95, 55], Operations: ['68-13=55'] Exploring Operation: 59+95=154, Resulting Numbers: [55, 154] Generated Node #3: [55, 154] from Operation: 59+95=154 Current State: 99:[55, 154], Operations: ['68-13=55', '59+95=154'] Exploring Operation: 154-55=99, Resulting Numbers: [99] 99,99 equal: Goal Reached
4
Current State: 99:[68, 13, 59, 95], Operations: [] Exploring Operation: 68-59=9, Resulting Numbers: [13, 95, 9] Generated Node #0,0: 99:[13, 95, 9] Operation: 68-59=9 Moving to Node #0,0 Current State: 99:[13, 95, 9], Operations: ['68-59=9'] Exploring Operation: 13-9=4, Resulting Numbers: [95, 4] Generated Node #0,0,0: 99:[95, 4] Operation: 13-9=4 Moving to Node #0,0,0 Current State: 99:[95, 4], Operations: ['68-59=9', '13-9=4'] Exploring Operation: 95+4=99, Resulting Numbers: [99] 99,99 equal: Goal Reached Moving to Node #0 Current State: 99:[68, 13, 59, 95], Operations: [] Exploring Operation: 68-59=9, Resulting Numbers: [13, 95, 9] Generated Node #0,0: 99:[13, 95, 9] Operation: 68-59=9 Moving to Node #0,0 Current State: 99:[13, 95, 9], Operations: ['68-59=9'] Exploring Operation: 13-9=4, Resulting Numbers: [95, 4] Generated Node #0,0,0: 99:[95, 4] Operation: 13-9=4 Moving to Node #0,0,0 Current State: 99:[95, 4], Operations: ['68-59=9', '13-9=4'] Exploring Operation: 95+4=99, Resulting Numbers: [99] 99,99 equal: Goal Reached
0.993924
hs_1
mult_heuristic
[ 70, 29, 55, 35 ]
79
[ "70+29=99", "55-35=20", "99-20=79" ]
Current State: 79:[70, 29, 55, 35], Operations: [] Exploring Operation: 70+29=99, Resulting Numbers: [55, 35, 99] Generated Node #2: [55, 35, 99] from Operation: 70+29=99 Current State: 79:[55, 35, 99], Operations: ['70+29=99'] Exploring Operation: 55-35=20, Resulting Numbers: [99, 20] Generated Node #3: [99, 20] from Operation: 55-35=20 Current State: 79:[99, 20], Operations: ['70+29=99', '55-35=20'] Exploring Operation: 99-20=79, Resulting Numbers: [79] 79,79 equal: Goal Reached
4
Current State: 79:[70, 29, 55, 35], Operations: [] Exploring Operation: 29+35=64, Resulting Numbers: [70, 55, 64] Generated Node #0,0: 79:[70, 55, 64] Operation: 29+35=64 Start Sub Search at level 1: Moving to Node #0,0 Current State: 79:[70, 55, 64], Operations: ['29+35=64'] Exploring Operation: 55+64=119, Resulting Numbers: [70, 119] Generated Node #0,0,0: 79:[70, 119] Operation: 55+64=119 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 79:[70, 119], Operations: ['29+35=64', '55+64=119'] Exploring Operation: 119-70=49, Resulting Numbers: [49] 49,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 72, 9, 36, 46 ]
72
[ "9+36=45", "46-45=1", "72*1=72" ]
Current State: 72:[72, 9, 36, 46], Operations: [] Exploring Operation: 9+36=45, Resulting Numbers: [72, 46, 45] Generated Node #2: [72, 46, 45] from Operation: 9+36=45 Current State: 72:[72, 46, 45], Operations: ['9+36=45'] Exploring Operation: 46-45=1, Resulting Numbers: [72, 1] Generated Node #3: [72, 1] from Operation: 46-45=1 Current State: 72:[72, 1], Operations: ['9+36=45', '46-45=1'] Exploring Operation: 72*1=72, Resulting Numbers: [72] 72,72 equal: Goal Reached
4
Current State: 72:[72, 9, 36, 46], Operations: [] Exploring Operation: 72-46=26, Resulting Numbers: [9, 36, 26] Generated Node #0,0: 72:[9, 36, 26] Operation: 72-46=26 Exploring Operation: 46-36=10, Resulting Numbers: [72, 9, 10] Generated Node #0,1: 72:[72, 9, 10] Operation: 46-36=10 Exploring Operation: 46-9=37, Resulting Numbers: [72, 36, 37] Generated Node #0,2: 72:[72, 36, 37] Operation: 46-9=37 Start Sub Search at level 1: Moving to Node #0,1 Current State: 72:[72, 9, 10], Operations: ['46-36=10'] Exploring Operation: 9+10=19, Resulting Numbers: [72, 19] Generated Node #0,1,0: 72:[72, 19] Operation: 9+10=19 Exploring Operation: 72/9=8, Resulting Numbers: [10, 8] Generated Node #0,1,1: 72:[10, 8] Operation: 72/9=8 Exploring Operation: 10-9=1, Resulting Numbers: [72, 1] Generated Node #0,1,2: 72:[72, 1] Operation: 10-9=1 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 72:[72, 19], Operations: ['46-36=10', '9+10=19'] Exploring Operation: 72+19=91, Resulting Numbers: [91] 91,72 unequal: No Solution Exploring Operation: 72-19=53, Resulting Numbers: [53] 53,72 unequal: No Solution Exploring Operation: 72*19=1368, Resulting Numbers: [1368] 1368,72 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 72:[10, 8], Operations: ['46-36=10', '72/9=8'] Exploring Operation: 10*8=80, Resulting Numbers: [80] 80,72 unequal: No Solution Exploring Operation: 10+8=18, Resulting Numbers: [18] 18,72 unequal: No Solution Exploring Operation: 10-8=2, Resulting Numbers: [2] 2,72 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 72:[72, 1], Operations: ['46-36=10', '10-9=1'] Exploring Operation: 72/1=72, Resulting Numbers: [72] 72,72 equal: Goal Reached Moving to Node #0 Current State: 72:[72, 9, 36, 46], Operations: [] Exploring Operation: 46-36=10, Resulting Numbers: [72, 9, 10] Generated Node #0,1: 72:[72, 9, 10] Operation: 46-36=10 Moving to Node #0,1 Current State: 72:[72, 9, 10], Operations: ['46-36=10'] Exploring Operation: 10-9=1, Resulting Numbers: [72, 1] Generated Node #0,1,2: 72:[72, 1] Operation: 10-9=1 Moving to Node #0,1,2 Current State: 72:[72, 1], Operations: ['46-36=10', '10-9=1'] Exploring Operation: 72/1=72, Resulting Numbers: [72] 72,72 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.985243
hs_3
sum_heuristic
[ 45, 51, 63, 72 ]
27
[ "45*72=3240", "51*63=3213", "3240-3213=27" ]
Current State: 27:[45, 51, 63, 72], Operations: [] Exploring Operation: 45*72=3240, Resulting Numbers: [51, 63, 3240] Generated Node #2: [51, 63, 3240] from Operation: 45*72=3240 Current State: 27:[51, 63, 3240], Operations: ['45*72=3240'] Exploring Operation: 51*63=3213, Resulting Numbers: [3240, 3213] Generated Node #3: [3240, 3213] from Operation: 51*63=3213 Current State: 27:[3240, 3213], Operations: ['45*72=3240', '51*63=3213'] Exploring Operation: 3240-3213=27, Resulting Numbers: [27] 27,27 equal: Goal Reached
4
Current State: 27:[45, 51, 63, 72], Operations: [] Exploring Operation: 72-63=9, Resulting Numbers: [45, 51, 9] Generated Node #0,0: 27:[45, 51, 9] Operation: 72-63=9 Exploring Operation: 72-45=27, Resulting Numbers: [51, 63, 27] Generated Node #0,1: 27:[51, 63, 27] Operation: 72-45=27 Start Sub Search at level 1: Moving to Node #0,0 Current State: 27:[45, 51, 9], Operations: ['72-63=9'] Exploring Operation: 45/9=5, Resulting Numbers: [51, 5] Generated Node #0,0,0: 27:[51, 5] Operation: 45/9=5 Exploring Operation: 51-45=6, Resulting Numbers: [9, 6] Generated Node #0,0,1: 27:[9, 6] Operation: 51-45=6 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 27:[9, 6], Operations: ['72-63=9', '51-45=6'] Exploring Operation: 9-6=3, Resulting Numbers: [3] 3,27 unequal: No Solution Exploring Operation: 9+6=15, Resulting Numbers: [15] 15,27 unequal: No Solution No 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: 27:[51, 5], Operations: ['72-63=9', '45/9=5'] Exploring Operation: 51+5=56, Resulting Numbers: [56] 56,27 unequal: No Solution Exploring Operation: 51-5=46, Resulting Numbers: [46] 46,27 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: 27:[51, 63, 27], Operations: ['72-45=27'] Exploring Operation: 63-27=36, Resulting Numbers: [51, 36] Generated Node #0,1,0: 27:[51, 36] Operation: 63-27=36 Exploring Operation: 63-51=12, Resulting Numbers: [27, 12] Generated Node #0,1,1: 27:[27, 12] Operation: 63-51=12 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 27:[27, 12], Operations: ['72-45=27', '63-51=12'] Exploring Operation: 27-12=15, Resulting Numbers: [15] 15,27 unequal: No Solution Exploring Operation: 27+12=39, Resulting Numbers: [39] 39,27 unequal: No Solution No 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: 27:[51, 36], Operations: ['72-45=27', '63-27=36'] Exploring Operation: 51-36=15, Resulting Numbers: [15] 15,27 unequal: No Solution Exploring Operation: 51+36=87, Resulting Numbers: [87] 87,27 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
[ 15, 14, 74, 16 ]
44
[ "16-14=2", "15*2=30", "74-30=44" ]
Current State: 44:[15, 14, 74, 16], Operations: [] Exploring Operation: 16-14=2, Resulting Numbers: [15, 74, 2] Generated Node #2: [15, 74, 2] from Operation: 16-14=2 Current State: 44:[15, 74, 2], Operations: ['16-14=2'] Exploring Operation: 15*2=30, Resulting Numbers: [74, 30] Generated Node #3: [74, 30] from Operation: 15*2=30 Current State: 44:[74, 30], Operations: ['16-14=2', '15*2=30'] Exploring Operation: 74-30=44, Resulting Numbers: [44] 44,44 equal: Goal Reached
4
Current State: 44:[15, 14, 74, 16], Operations: [] Exploring Operation: 74-15=59, Resulting Numbers: [14, 16, 59] Generated Node #0,0: 44:[14, 16, 59] Operation: 74-15=59 Exploring Operation: 74-14=60, Resulting Numbers: [15, 16, 60] Generated Node #0,1: 44:[15, 16, 60] Operation: 74-14=60 Exploring Operation: 74-16=58, Resulting Numbers: [15, 14, 58] Generated Node #0,2: 44:[15, 14, 58] Operation: 74-16=58 Exploring Operation: 16-15=1, Resulting Numbers: [14, 74, 1] Generated Node #0,3: 44:[14, 74, 1] Operation: 16-15=1 Exploring Operation: 16-14=2, Resulting Numbers: [15, 74, 2] Generated Node #0,4: 44:[15, 74, 2] Operation: 16-14=2 Start Sub Search at level 1: Moving to Node #0,2 Current State: 44:[15, 14, 58], Operations: ['74-16=58'] Exploring Operation: 15-14=1, Resulting Numbers: [58, 1] Generated Node #0,2,0: 44:[58, 1] Operation: 15-14=1 Exploring Operation: 58-14=44, Resulting Numbers: [15, 44] Generated Node #0,2,1: 44:[15, 44] Operation: 58-14=44 Exploring Operation: 15+14=29, Resulting Numbers: [58, 29] Generated Node #0,2,2: 44:[58, 29] Operation: 15+14=29 Exploring Operation: 58-15=43, Resulting Numbers: [14, 43] Generated Node #0,2,3: 44:[14, 43] Operation: 58-15=43 Exploring Operation: 15+58=73, Resulting Numbers: [14, 73] Generated Node #0,2,4: 44:[14, 73] Operation: 15+58=73 Moving to Node #0,2,1 Current State: 44:[15, 44], Operations: ['74-16=58', '58-14=44'] Exploring Operation: 44-15=29, Resulting Numbers: [29] 29,44 unequal: No Solution Exploring Operation: 15+44=59, Resulting Numbers: [59] 59,44 unequal: No Solution Exploring Operation: 15*44=660, Resulting Numbers: [660] 660,44 unequal: No Solution Moving to Node #0,2,3 Current State: 44:[14, 43], Operations: ['74-16=58', '58-15=43'] Exploring Operation: 14+43=57, Resulting Numbers: [57] 57,44 unequal: No Solution Exploring Operation: 14*43=602, Resulting Numbers: [602] 602,44 unequal: No Solution Exploring Operation: 43-14=29, Resulting Numbers: [29] 29,44 unequal: No Solution Moving to Node #0,2,0 Current State: 44:[58, 1], Operations: ['74-16=58', '15-14=1'] Exploring Operation: 58/1=58, Resulting Numbers: [58] 58,44 unequal: No Solution Exploring Operation: 58-1=57, Resulting Numbers: [57] 57,44 unequal: No Solution Exploring Operation: 58*1=58, Resulting Numbers: [58] 58,44 unequal: No Solution Exploring Operation: 58+1=59, Resulting Numbers: [59] 59,44 unequal: No Solution Moving to Node #0,2,2 Current State: 44:[58, 29], Operations: ['74-16=58', '15+14=29'] Exploring Operation: 58*29=1682, Resulting Numbers: [1682] 1682,44 unequal: No Solution Exploring Operation: 58/29=2, Resulting Numbers: [2] 2,44 unequal: No Solution Exploring Operation: 58-29=29, Resulting Numbers: [29] 29,44 unequal: No Solution Exploring Operation: 58+29=87, Resulting Numbers: [87] 87,44 unequal: No Solution Moving to Node #0,2,4 Current State: 44:[14, 73], Operations: ['74-16=58', '15+58=73'] Exploring Operation: 14*73=1022, Resulting Numbers: [1022] 1022,44 unequal: No Solution Exploring Operation: 14+73=87, Resulting Numbers: [87] 87,44 unequal: No Solution Exploring Operation: 73-14=59, Resulting Numbers: [59] 59,44 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:[14, 16, 59], Operations: ['74-15=59'] Exploring Operation: 14+59=73, Resulting Numbers: [16, 73] Generated Node #0,0,0: 44:[16, 73] Operation: 14+59=73 Exploring Operation: 59-14=45, Resulting Numbers: [16, 45] Generated Node #0,0,1: 44:[16, 45] Operation: 59-14=45 Exploring Operation: 16-14=2, Resulting Numbers: [59, 2] Generated Node #0,0,2: 44:[59, 2] Operation: 16-14=2 Exploring Operation: 59-16=43, Resulting Numbers: [14, 43] Generated Node #0,0,3: 44:[14, 43] Operation: 59-16=43 Exploring Operation: 14+16=30, Resulting Numbers: [59, 30] Generated Node #0,0,4: 44:[59, 30] Operation: 14+16=30 Moving to Node #0,0,3 Current State: 44:[14, 43], Operations: ['74-15=59', '59-16=43'] Exploring Operation: 14*43=602, Resulting Numbers: [602] 602,44 unequal: No Solution Exploring Operation: 14+43=57, Resulting Numbers: [57] 57,44 unequal: No Solution Exploring Operation: 43-14=29, Resulting Numbers: [29] 29,44 unequal: No Solution Moving to Node #0,0,1 Current State: 44:[16, 45], Operations: ['74-15=59', '59-14=45'] Exploring Operation: 16+45=61, Resulting Numbers: [61] 61,44 unequal: No Solution Exploring Operation: 45-16=29, Resulting Numbers: [29] 29,44 unequal: No Solution Exploring Operation: 16*45=720, Resulting Numbers: [720] 720,44 unequal: No Solution Moving to Node #0,0,2 Current State: 44:[59, 2], Operations: ['74-15=59', '16-14=2'] Exploring Operation: 59*2=118, Resulting Numbers: [118] 118,44 unequal: No Solution Exploring Operation: 59+2=61, Resulting Numbers: [61] 61,44 unequal: No Solution Exploring Operation: 59-2=57, Resulting Numbers: [57] 57,44 unequal: No Solution Moving to Node #0,0,4 Current State: 44:[59, 30], Operations: ['74-15=59', '14+16=30'] Exploring Operation: 59*30=1770, Resulting Numbers: [1770] 1770,44 unequal: No Solution Exploring Operation: 59-30=29, Resulting Numbers: [29] 29,44 unequal: No Solution Exploring Operation: 59+30=89, Resulting Numbers: [89] 89,44 unequal: No Solution Moving to Node #0,0,0 Current State: 44:[16, 73], Operations: ['74-15=59', '14+59=73'] Exploring Operation: 16+73=89, Resulting Numbers: [89] 89,44 unequal: No Solution Exploring Operation: 73-16=57, Resulting Numbers: [57] 57,44 unequal: No Solution Exploring Operation: 16*73=1168, Resulting Numbers: [1168] 1168,44 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 44:[15, 16, 60], Operations: ['74-14=60'] Exploring Operation: 60/15=4, Resulting Numbers: [16, 4] Generated Node #0,1,0: 44:[16, 4] Operation: 60/15=4 Exploring Operation: 60-16=44, Resulting Numbers: [15, 44] Generated Node #0,1,1: 44:[15, 44] Operation: 60-16=44 Exploring Operation: 60-15=45, Resulting Numbers: [16, 45] Generated Node #0,1,2: 44:[16, 45] Operation: 60-15=45 Exploring Operation: 16-15=1, Resulting Numbers: [60, 1] Generated Node #0,1,3: 44:[60, 1] Operation: 16-15=1 Exploring Operation: 15+16=31, Resulting Numbers: [60, 31] Generated Node #0,1,4: 44:[60, 31] Operation: 15+16=31 Moving to Node #0,1,1 Current State: 44:[15, 44], Operations: ['74-14=60', '60-16=44'] Exploring Operation: 15+44=59, Resulting Numbers: [59] 59,44 unequal: No Solution Exploring Operation: 44-15=29, Resulting Numbers: [29] 29,44 unequal: No Solution Exploring Operation: 15*44=660, Resulting Numbers: [660] 660,44 unequal: No Solution Moving to Node #0,1,0 Current State: 44:[16, 4], Operations: ['74-14=60', '60/15=4'] Exploring Operation: 16+4=20, Resulting Numbers: [20] 20,44 unequal: No Solution Exploring Operation: 16/4=4, Resulting Numbers: [4] 4,44 unequal: No Solution Exploring Operation: 16-4=12, Resulting Numbers: [12] 12,44 unequal: No Solution Exploring Operation: 16*4=64, Resulting Numbers: [64] 64,44 unequal: No Solution Moving to Node #0,1,2 Current State: 44:[16, 45], Operations: ['74-14=60', '60-15=45'] Exploring Operation: 45-16=29, Resulting Numbers: [29] 29,44 unequal: No Solution Exploring Operation: 16+45=61, Resulting Numbers: [61] 61,44 unequal: No Solution Exploring Operation: 16*45=720, Resulting Numbers: [720] 720,44 unequal: No Solution Moving to Node #0,1,3 Current State: 44:[60, 1], Operations: ['74-14=60', '16-15=1'] Exploring Operation: 60+1=61, Resulting Numbers: [61] 61,44 unequal: No Solution Exploring Operation: 60*1=60, Resulting Numbers: [60] 60,44 unequal: No Solution Exploring Operation: 60-1=59, Resulting Numbers: [59] 59,44 unequal: No Solution Exploring Operation: 60/1=60, Resulting Numbers: [60] 60,44 unequal: No Solution Moving to Node #0,1,4 Current State: 44:[60, 31], Operations: ['74-14=60', '15+16=31'] Exploring Operation: 60-31=29, Resulting Numbers: [29] 29,44 unequal: No Solution Exploring Operation: 60+31=91, Resulting Numbers: [91] 91,44 unequal: No Solution Exploring Operation: 60*31=1860, Resulting Numbers: [1860] 1860,44 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 #0,3 Current State: 44:[14, 74, 1], Operations: ['16-15=1'] Exploring Operation: 14*1=14, Resulting Numbers: [74, 14] Generated Node #0,3,0: 44:[74, 14] Operation: 14*1=14 Exploring Operation: 14/1=14, Resulting Numbers: [74, 14] Generated Node #0,3,1: 44:[74, 14] Operation: 14/1=14 Exploring Operation: 14-1=13, Resulting Numbers: [74, 13] Generated Node #0,3,2: 44:[74, 13] Operation: 14-1=13 Exploring Operation: 74-14=60, Resulting Numbers: [1, 60] Generated Node #0,3,3: 44:[1, 60] Operation: 74-14=60 Exploring Operation: 74-1=73, Resulting Numbers: [14, 73] Generated Node #0,3,4: 44:[14, 73] Operation: 74-1=73 Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 44:[1, 60], Operations: ['16-15=1', '74-14=60'] Exploring Operation: 60-1=59, Resulting Numbers: [59] 59,44 unequal: No Solution Exploring Operation: 60/1=60, Resulting Numbers: [60] 60,44 unequal: No Solution Exploring Operation: 1*60=60, Resulting Numbers: [60] 60,44 unequal: No Solution Exploring Operation: 1+60=61, Resulting Numbers: [61] 61,44 unequal: No Solution No 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: 44:[74, 13], Operations: ['16-15=1', '14-1=13'] Exploring Operation: 74+13=87, Resulting Numbers: [87] 87,44 unequal: No Solution Exploring Operation: 74-13=61, Resulting Numbers: [61] 61,44 unequal: No Solution Exploring Operation: 74*13=962, Resulting Numbers: [962] 962,44 unequal: No Solution No 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: 44:[14, 73], Operations: ['16-15=1', '74-1=73'] Exploring Operation: 73-14=59, Resulting Numbers: [59] 59,44 unequal: No Solution Exploring Operation: 14*73=1022, Resulting Numbers: [1022] 1022,44 unequal: No Solution Exploring Operation: 14+73=87, Resulting Numbers: [87] 87,44 unequal: No Solution No 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: 44:[74, 14], Operations: ['16-15=1', '14*1=14'] Exploring Operation: 74+14=88, Resulting Numbers: [88] 88,44 unequal: No Solution Exploring Operation: 74-14=60, Resulting Numbers: [60] 60,44 unequal: No Solution Exploring Operation: 74*14=1036, Resulting Numbers: [1036] 1036,44 unequal: No Solution No 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: 44:[74, 14], Operations: ['16-15=1', '14/1=14'] Exploring Operation: 74-14=60, Resulting Numbers: [60] 60,44 unequal: No Solution Exploring Operation: 74*14=1036, Resulting Numbers: [1036] 1036,44 unequal: No Solution Exploring Operation: 74+14=88, Resulting Numbers: [88] 88,44 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: 44:[15, 74, 2], Operations: ['16-14=2'] Exploring Operation: 74-2=72, Resulting Numbers: [15, 72] Generated Node #0,4,0: 44:[15, 72] Operation: 74-2=72 Exploring Operation: 74/2=37, Resulting Numbers: [15, 37] Generated Node #0,4,1: 44:[15, 37] Operation: 74/2=37 Exploring Operation: 15+2=17, Resulting Numbers: [74, 17] Generated Node #0,4,2: 44:[74, 17] Operation: 15+2=17 Exploring Operation: 74-15=59, Resulting Numbers: [2, 59] Generated Node #0,4,3: 44:[2, 59] Operation: 74-15=59 Exploring Operation: 15-2=13, Resulting Numbers: [74, 13] Generated Node #0,4,4: 44:[74, 13] Operation: 15-2=13 Moving to Node #0,4,1 Current State: 44:[15, 37], Operations: ['16-14=2', '74/2=37'] Exploring Operation: 37-15=22, Resulting Numbers: [22] 22,44 unequal: No Solution Exploring Operation: 15+37=52, Resulting Numbers: [52] 52,44 unequal: No Solution Exploring Operation: 15*37=555, Resulting Numbers: [555] 555,44 unequal: No Solution Moving to Node #0,4,3 Current State: 44:[2, 59], Operations: ['16-14=2', '74-15=59'] Exploring Operation: 2+59=61, Resulting Numbers: [61] 61,44 unequal: No Solution Exploring Operation: 2*59=118, Resulting Numbers: [118] 118,44 unequal: No Solution Exploring Operation: 59-2=57, Resulting Numbers: [57] 57,44 unequal: No Solution Moving to Node #0,4,0 Current State: 44:[15, 72], Operations: ['16-14=2', '74-2=72'] Exploring Operation: 72-15=57, Resulting Numbers: [57] 57,44 unequal: No Solution Exploring Operation: 15+72=87, Resulting Numbers: [87] 87,44 unequal: No Solution Exploring Operation: 15*72=1080, Resulting Numbers: [1080] 1080,44 unequal: No Solution Moving to Node #0,4,4 Current State: 44:[74, 13], Operations: ['16-14=2', '15-2=13'] Exploring Operation: 74-13=61, Resulting Numbers: [61] 61,44 unequal: No Solution Exploring Operation: 74*13=962, Resulting Numbers: [962] 962,44 unequal: No Solution Exploring Operation: 74+13=87, Resulting Numbers: [87] 87,44 unequal: No Solution Moving to Node #0,4,2 Current State: 44:[74, 17], Operations: ['16-14=2', '15+2=17'] Exploring Operation: 74*17=1258, Resulting Numbers: [1258] 1258,44 unequal: No Solution Exploring Operation: 74+17=91, Resulting Numbers: [91] 91,44 unequal: No Solution Exploring Operation: 74-17=57, Resulting Numbers: [57] 57,44 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
mult_heuristic
[ 49, 56, 88, 88 ]
71
[ "49+56=105", "88+88=176", "176-105=71" ]
Current State: 71:[49, 56, 88, 88], Operations: [] Exploring Operation: 49+56=105, Resulting Numbers: [88, 88, 105] Generated Node #2: [88, 88, 105] from Operation: 49+56=105 Current State: 71:[88, 88, 105], Operations: ['49+56=105'] Exploring Operation: 88+88=176, Resulting Numbers: [105, 176] Generated Node #3: [105, 176] from Operation: 88+88=176 Current State: 71:[105, 176], Operations: ['49+56=105', '88+88=176'] Exploring Operation: 176-105=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
4
Current State: 71:[49, 56, 88, 88], Operations: [] Exploring Operation: 88-49=39, Resulting Numbers: [56, 88, 39] Generated Node #0,0: 71:[56, 88, 39] Operation: 88-49=39 Exploring Operation: 88-49=39, Resulting Numbers: [56, 88, 39] Generated Node #0,1: 71:[56, 88, 39] Operation: 88-49=39 Start Sub Search at level 1: Moving to Node #0,0 Current State: 71:[56, 88, 39], Operations: ['88-49=39'] Exploring Operation: 88-39=49, Resulting Numbers: [56, 49] Generated Node #0,0,0: 71:[56, 49] Operation: 88-39=49 Exploring Operation: 56+39=95, Resulting Numbers: [88, 95] Generated Node #0,0,1: 71:[88, 95] Operation: 56+39=95 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 71:[56, 49], Operations: ['88-49=39', '88-39=49'] Exploring Operation: 56-49=7, Resulting Numbers: [7] 7,71 unequal: No Solution Exploring Operation: 56+49=105, Resulting Numbers: [105] 105,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 71:[88, 95], Operations: ['88-49=39', '56+39=95'] Exploring Operation: 95-88=7, Resulting Numbers: [7] 7,71 unequal: No Solution Exploring Operation: 88+95=183, Resulting Numbers: [183] 183,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 71:[56, 88, 39], Operations: ['88-49=39'] Exploring Operation: 56+39=95, Resulting Numbers: [88, 95] Generated Node #0,1,0: 71:[88, 95] Operation: 56+39=95 Exploring Operation: 88-39=49, Resulting Numbers: [56, 49] Generated Node #0,1,1: 71:[56, 49] Operation: 88-39=49 Moving to Node #0,1,1 Current State: 71:[56, 49], Operations: ['88-49=39', '88-39=49'] Exploring Operation: 56-49=7, Resulting Numbers: [7] 7,71 unequal: No Solution Exploring Operation: 56+49=105, Resulting Numbers: [105] 105,71 unequal: No Solution Moving to Node #0,1,0 Current State: 71:[88, 95], Operations: ['88-49=39', '56+39=95'] Exploring Operation: 88+95=183, Resulting Numbers: [183] 183,71 unequal: No Solution Exploring Operation: 95-88=7, Resulting Numbers: [7] 7,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 93, 33, 43, 41 ]
17
[ "93+43=136", "41-33=8", "136/8=17" ]
Current State: 17:[93, 33, 43, 41], Operations: [] Exploring Operation: 93+43=136, Resulting Numbers: [33, 41, 136] Generated Node #2: [33, 41, 136] from Operation: 93+43=136 Current State: 17:[33, 41, 136], Operations: ['93+43=136'] Exploring Operation: 41-33=8, Resulting Numbers: [136, 8] Generated Node #3: [136, 8] from Operation: 41-33=8 Current State: 17:[136, 8], Operations: ['93+43=136', '41-33=8'] Exploring Operation: 136/8=17, Resulting Numbers: [17] 17,17 equal: Goal Reached
4
Current State: 17:[93, 33, 43, 41], Operations: [] Exploring Operation: 93-43=50, Resulting Numbers: [33, 41, 50] Generated Node #0,0: 17:[33, 41, 50] Operation: 93-43=50 Exploring Operation: 93-41=52, Resulting Numbers: [33, 43, 52] Generated Node #0,1: 17:[33, 43, 52] Operation: 93-41=52 Exploring Operation: 93-33=60, Resulting Numbers: [43, 41, 60] Generated Node #0,2: 17:[43, 41, 60] Operation: 93-33=60 Moving to Node #0,0 Current State: 17:[33, 41, 50], Operations: ['93-43=50'] Exploring Operation: 41-33=8, Resulting Numbers: [50, 8] Generated Node #0,0,0: 17:[50, 8] Operation: 41-33=8 Exploring Operation: 50-33=17, Resulting Numbers: [41, 17] Generated Node #0,0,1: 17:[41, 17] Operation: 50-33=17 Exploring Operation: 50-41=9, Resulting Numbers: [33, 9] Generated Node #0,0,2: 17:[33, 9] Operation: 50-41=9 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 17:[41, 17], Operations: ['93-43=50', '50-33=17'] Exploring Operation: 41+17=58, Resulting Numbers: [58] 58,17 unequal: No Solution Exploring Operation: 41-17=24, Resulting Numbers: [24] 24,17 unequal: No Solution Exploring Operation: 41*17=697, Resulting Numbers: [697] 697,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 17:[33, 9], Operations: ['93-43=50', '50-41=9'] Exploring Operation: 33-9=24, Resulting Numbers: [24] 24,17 unequal: No Solution Exploring Operation: 33+9=42, Resulting Numbers: [42] 42,17 unequal: No Solution Exploring Operation: 33*9=297, Resulting Numbers: [297] 297,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 17:[50, 8], Operations: ['93-43=50', '41-33=8'] Exploring Operation: 50*8=400, Resulting Numbers: [400] 400,17 unequal: No Solution Exploring Operation: 50-8=42, Resulting Numbers: [42] 42,17 unequal: No Solution Exploring Operation: 50+8=58, Resulting Numbers: [58] 58,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 17:[33, 43, 52], Operations: ['93-41=52'] Exploring Operation: 52-33=19, Resulting Numbers: [43, 19] Generated Node #0,1,0: 17:[43, 19] Operation: 52-33=19 Exploring Operation: 52-43=9, Resulting Numbers: [33, 9] Generated Node #0,1,1: 17:[33, 9] Operation: 52-43=9 Exploring Operation: 43-33=10, Resulting Numbers: [52, 10] Generated Node #0,1,2: 17:[52, 10] Operation: 43-33=10 Moving to Node #0,2 Current State: 17:[43, 41, 60], Operations: ['93-33=60'] Exploring Operation: 60-43=17, Resulting Numbers: [41, 17] Generated Node #0,2,0: 17:[41, 17] Operation: 60-43=17 Exploring Operation: 43-41=2, Resulting Numbers: [60, 2] Generated Node #0,2,1: 17:[60, 2] Operation: 43-41=2 Exploring Operation: 60-41=19, Resulting Numbers: [43, 19] Generated Node #0,2,2: 17:[43, 19] Operation: 60-41=19 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 17:[41, 17], Operations: ['93-33=60', '60-43=17'] Exploring Operation: 41-17=24, Resulting Numbers: [24] 24,17 unequal: No Solution Exploring Operation: 41+17=58, Resulting Numbers: [58] 58,17 unequal: No Solution Exploring Operation: 41*17=697, Resulting Numbers: [697] 697,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 17:[43, 19], Operations: ['93-33=60', '60-41=19'] Exploring Operation: 43+19=62, Resulting Numbers: [62] 62,17 unequal: No Solution Exploring Operation: 43*19=817, Resulting Numbers: [817] 817,17 unequal: No Solution Exploring Operation: 43-19=24, Resulting Numbers: [24] 24,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 17:[60, 2], Operations: ['93-33=60', '43-41=2'] Exploring Operation: 60+2=62, Resulting Numbers: [62] 62,17 unequal: No Solution Exploring Operation: 60/2=30, Resulting Numbers: [30] 30,17 unequal: No Solution Exploring Operation: 60-2=58, Resulting Numbers: [58] 58,17 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: 17:[33, 9], Operations: ['93-41=52', '52-43=9'] Exploring Operation: 33*9=297, Resulting Numbers: [297] 297,17 unequal: No Solution Exploring Operation: 33-9=24, Resulting Numbers: [24] 24,17 unequal: No Solution Exploring Operation: 33+9=42, Resulting Numbers: [42] 42,17 unequal: No Solution Moving to Node #0,1,0 Current State: 17:[43, 19], Operations: ['93-41=52', '52-33=19'] Exploring Operation: 43+19=62, Resulting Numbers: [62] 62,17 unequal: No Solution Exploring Operation: 43-19=24, Resulting Numbers: [24] 24,17 unequal: No Solution Exploring Operation: 43*19=817, Resulting Numbers: [817] 817,17 unequal: No Solution Moving to Node #0,1,2 Current State: 17:[52, 10], Operations: ['93-41=52', '43-33=10'] Exploring Operation: 52*10=520, Resulting Numbers: [520] 520,17 unequal: No Solution Exploring Operation: 52+10=62, Resulting Numbers: [62] 62,17 unequal: No Solution Exploring Operation: 52-10=42, Resulting Numbers: [42] 42,17 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 10, 64, 48, 62 ]
53
[ "64-62=2", "10/2=5", "48+5=53" ]
Current State: 53:[10, 64, 48, 62], Operations: [] Exploring Operation: 64-62=2, Resulting Numbers: [10, 48, 2] Generated Node #2: [10, 48, 2] from Operation: 64-62=2 Current State: 53:[10, 48, 2], Operations: ['64-62=2'] Exploring Operation: 10/2=5, Resulting Numbers: [48, 5] Generated Node #3: [48, 5] from Operation: 10/2=5 Current State: 53:[48, 5], Operations: ['64-62=2', '10/2=5'] Exploring Operation: 48+5=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[10, 64, 48, 62], Operations: [] Exploring Operation: 62-10=52, Resulting Numbers: [64, 48, 52] Generated Node #0,0: 53:[64, 48, 52] Operation: 62-10=52 Exploring Operation: 10+48=58, Resulting Numbers: [64, 62, 58] Generated Node #0,1: 53:[64, 62, 58] Operation: 10+48=58 Exploring Operation: 64-10=54, Resulting Numbers: [48, 62, 54] Generated Node #0,2: 53:[48, 62, 54] Operation: 64-10=54 Start Sub Search at level 1: Moving to Node #0,2 Current State: 53:[48, 62, 54], Operations: ['64-10=54'] Exploring Operation: 62-48=14, Resulting Numbers: [54, 14] Generated Node #0,2,0: 53:[54, 14] Operation: 62-48=14 Exploring Operation: 62-54=8, Resulting Numbers: [48, 8] Generated Node #0,2,1: 53:[48, 8] Operation: 62-54=8 Exploring Operation: 54-48=6, Resulting Numbers: [62, 6] Generated Node #0,2,2: 53:[62, 6] Operation: 54-48=6 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 53:[54, 14], Operations: ['64-10=54', '62-48=14'] Exploring Operation: 54+14=68, Resulting Numbers: [68] 68,53 unequal: No Solution Exploring Operation: 54-14=40, Resulting Numbers: [40] 40,53 unequal: No Solution Exploring Operation: 54*14=756, Resulting Numbers: [756] 756,53 unequal: No Solution No 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: 53:[48, 8], Operations: ['64-10=54', '62-54=8'] Exploring Operation: 48+8=56, Resulting Numbers: [56] 56,53 unequal: No Solution Exploring Operation: 48/8=6, Resulting Numbers: [6] 6,53 unequal: No Solution Exploring Operation: 48-8=40, Resulting Numbers: [40] 40,53 unequal: No Solution No 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: 53:[62, 6], Operations: ['64-10=54', '54-48=6'] Exploring Operation: 62*6=372, Resulting Numbers: [372] 372,53 unequal: No Solution Exploring Operation: 62-6=56, Resulting Numbers: [56] 56,53 unequal: No Solution Exploring Operation: 62+6=68, Resulting Numbers: [68] 68,53 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 53:[64, 48, 52], Operations: ['62-10=52'] Exploring Operation: 48+52=100, Resulting Numbers: [64, 100] Generated Node #0,0,0: 53:[64, 100] Operation: 48+52=100 Exploring Operation: 64-48=16, Resulting Numbers: [52, 16] Generated Node #0,0,1: 53:[52, 16] Operation: 64-48=16 Exploring Operation: 64-52=12, Resulting Numbers: [48, 12] Generated Node #0,0,2: 53:[48, 12] Operation: 64-52=12 Moving to Node #0,0,1 Current State: 53:[52, 16], Operations: ['62-10=52', '64-48=16'] Exploring Operation: 52-16=36, Resulting Numbers: [36] 36,53 unequal: No Solution Exploring Operation: 52+16=68, Resulting Numbers: [68] 68,53 unequal: No Solution Exploring Operation: 52*16=832, Resulting Numbers: [832] 832,53 unequal: No Solution Moving to Node #0,0,2 Current State: 53:[48, 12], Operations: ['62-10=52', '64-52=12'] Exploring Operation: 48+12=60, Resulting Numbers: [60] 60,53 unequal: No Solution Exploring Operation: 48/12=4, Resulting Numbers: [4] 4,53 unequal: No Solution Exploring Operation: 48-12=36, Resulting Numbers: [36] 36,53 unequal: No Solution Moving to Node #0,0,0 Current State: 53:[64, 100], Operations: ['62-10=52', '48+52=100'] Exploring Operation: 64+100=164, Resulting Numbers: [164] 164,53 unequal: No Solution Exploring Operation: 100-64=36, Resulting Numbers: [36] 36,53 unequal: No Solution Exploring Operation: 64*100=6400, Resulting Numbers: [6400] 6400,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 53:[64, 62, 58], Operations: ['10+48=58'] Exploring Operation: 62-58=4, Resulting Numbers: [64, 4] Generated Node #0,1,0: 53:[64, 4] Operation: 62-58=4 Exploring Operation: 64-62=2, Resulting Numbers: [58, 2] Generated Node #0,1,1: 53:[58, 2] Operation: 64-62=2 Exploring Operation: 64-58=6, Resulting Numbers: [62, 6] Generated Node #0,1,2: 53:[62, 6] Operation: 64-58=6 Moving to Node #0,1,1 Current State: 53:[58, 2], Operations: ['10+48=58', '64-62=2'] Exploring Operation: 58/2=29, Resulting Numbers: [29] 29,53 unequal: No Solution Exploring Operation: 58+2=60, Resulting Numbers: [60] 60,53 unequal: No Solution Exploring Operation: 58-2=56, Resulting Numbers: [56] 56,53 unequal: No Solution Moving to Node #0,1,2 Current State: 53:[62, 6], Operations: ['10+48=58', '64-58=6'] Exploring Operation: 62+6=68, Resulting Numbers: [68] 68,53 unequal: No Solution Exploring Operation: 62-6=56, Resulting Numbers: [56] 56,53 unequal: No Solution Exploring Operation: 62*6=372, Resulting Numbers: [372] 372,53 unequal: No Solution Moving to Node #0,1,0 Current State: 53:[64, 4], Operations: ['10+48=58', '62-58=4'] Exploring Operation: 64-4=60, Resulting Numbers: [60] 60,53 unequal: No Solution Exploring Operation: 64/4=16, Resulting Numbers: [16] 16,53 unequal: No Solution Exploring Operation: 64+4=68, Resulting Numbers: [68] 68,53 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
[ 94, 63, 83, 66 ]
59
[ "94+83=177", "66-63=3", "177/3=59" ]
Current State: 59:[94, 63, 83, 66], Operations: [] Exploring Operation: 94+83=177, Resulting Numbers: [63, 66, 177] Generated Node #2: [63, 66, 177] from Operation: 94+83=177 Current State: 59:[63, 66, 177], Operations: ['94+83=177'] Exploring Operation: 66-63=3, Resulting Numbers: [177, 3] Generated Node #3: [177, 3] from Operation: 66-63=3 Current State: 59:[177, 3], Operations: ['94+83=177', '66-63=3'] Exploring Operation: 177/3=59, Resulting Numbers: [59] 59,59 equal: Goal Reached
4
Current State: 59:[94, 63, 83, 66], Operations: [] Exploring Operation: 94-63=31, Resulting Numbers: [83, 66, 31] Generated Node #0,0: 59:[83, 66, 31] Operation: 94-63=31 Exploring Operation: 94-83=11, Resulting Numbers: [63, 66, 11] Generated Node #0,1: 59:[63, 66, 11] Operation: 94-83=11 Exploring Operation: 94-66=28, Resulting Numbers: [63, 83, 28] Generated Node #0,2: 59:[63, 83, 28] Operation: 94-66=28 Moving to Node #0,0 Current State: 59:[83, 66, 31], Operations: ['94-63=31'] Exploring Operation: 83+31=114, Resulting Numbers: [66, 114] Generated Node #0,0,0: 59:[66, 114] Operation: 83+31=114 Exploring Operation: 66-31=35, Resulting Numbers: [83, 35] Generated Node #0,0,1: 59:[83, 35] Operation: 66-31=35 Exploring Operation: 83-31=52, Resulting Numbers: [66, 52] Generated Node #0,0,2: 59:[66, 52] Operation: 83-31=52 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 59:[66, 52], Operations: ['94-63=31', '83-31=52'] Exploring Operation: 66*52=3432, Resulting Numbers: [3432] 3432,59 unequal: No Solution Exploring Operation: 66+52=118, Resulting Numbers: [118] 118,59 unequal: No Solution Exploring Operation: 66-52=14, Resulting Numbers: [14] 14,59 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 59:[83, 35], Operations: ['94-63=31', '66-31=35'] Exploring Operation: 83+35=118, Resulting Numbers: [118] 118,59 unequal: No Solution Exploring Operation: 83*35=2905, Resulting Numbers: [2905] 2905,59 unequal: No Solution Exploring Operation: 83-35=48, Resulting Numbers: [48] 48,59 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 59:[66, 114], Operations: ['94-63=31', '83+31=114'] Exploring Operation: 66*114=7524, Resulting Numbers: [7524] 7524,59 unequal: No Solution Exploring Operation: 66+114=180, Resulting Numbers: [180] 180,59 unequal: No Solution Exploring Operation: 114-66=48, Resulting Numbers: [48] 48,59 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 59:[63, 66, 11], Operations: ['94-83=11'] Exploring Operation: 66-11=55, Resulting Numbers: [63, 55] Generated Node #0,1,0: 59:[63, 55] Operation: 66-11=55 Exploring Operation: 63+11=74, Resulting Numbers: [66, 74] Generated Node #0,1,1: 59:[66, 74] Operation: 63+11=74 Exploring Operation: 63-11=52, Resulting Numbers: [66, 52] Generated Node #0,1,2: 59:[66, 52] Operation: 63-11=52 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 59:[63, 55], Operations: ['94-83=11', '66-11=55'] Exploring Operation: 63*55=3465, Resulting Numbers: [3465] 3465,59 unequal: No Solution Exploring Operation: 63-55=8, Resulting Numbers: [8] 8,59 unequal: No Solution Exploring Operation: 63+55=118, Resulting Numbers: [118] 118,59 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 59:[66, 52], Operations: ['94-83=11', '63-11=52'] Exploring Operation: 66-52=14, Resulting Numbers: [14] 14,59 unequal: No Solution Exploring Operation: 66*52=3432, Resulting Numbers: [3432] 3432,59 unequal: No Solution Exploring Operation: 66+52=118, Resulting Numbers: [118] 118,59 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 59:[66, 74], Operations: ['94-83=11', '63+11=74'] Exploring Operation: 74-66=8, Resulting Numbers: [8] 8,59 unequal: No Solution Exploring Operation: 66+74=140, Resulting Numbers: [140] 140,59 unequal: No Solution Exploring Operation: 66*74=4884, Resulting Numbers: [4884] 4884,59 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 59:[63, 83, 28], Operations: ['94-66=28'] Exploring Operation: 83-28=55, Resulting Numbers: [63, 55] Generated Node #0,2,0: 59:[63, 55] Operation: 83-28=55 Exploring Operation: 63+28=91, Resulting Numbers: [83, 91] Generated Node #0,2,1: 59:[83, 91] Operation: 63+28=91 Exploring Operation: 63-28=35, Resulting Numbers: [83, 35] Generated Node #0,2,2: 59:[83, 35] Operation: 63-28=35 Moving to Node #0,2,0 Current State: 59:[63, 55], Operations: ['94-66=28', '83-28=55'] Exploring Operation: 63+55=118, Resulting Numbers: [118] 118,59 unequal: No Solution Exploring Operation: 63-55=8, Resulting Numbers: [8] 8,59 unequal: No Solution Exploring Operation: 63*55=3465, Resulting Numbers: [3465] 3465,59 unequal: No Solution Moving to Node #0,2,2 Current State: 59:[83, 35], Operations: ['94-66=28', '63-28=35'] Exploring Operation: 83-35=48, Resulting Numbers: [48] 48,59 unequal: No Solution Exploring Operation: 83*35=2905, Resulting Numbers: [2905] 2905,59 unequal: No Solution Exploring Operation: 83+35=118, Resulting Numbers: [118] 118,59 unequal: No Solution Moving to Node #0,2,1 Current State: 59:[83, 91], Operations: ['94-66=28', '63+28=91'] Exploring Operation: 83*91=7553, Resulting Numbers: [7553] 7553,59 unequal: No Solution Exploring Operation: 91-83=8, Resulting Numbers: [8] 8,59 unequal: No Solution Exploring Operation: 83+91=174, Resulting Numbers: [174] 174,59 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 10, 31, 33, 19 ]
19
[ "10*33=330", "31+330=361", "361/19=19" ]
Current State: 19:[10, 31, 33, 19], Operations: [] Exploring Operation: 10*33=330, Resulting Numbers: [31, 19, 330] Generated Node #2: [31, 19, 330] from Operation: 10*33=330 Current State: 19:[31, 19, 330], Operations: ['10*33=330'] Exploring Operation: 31+330=361, Resulting Numbers: [19, 361] Generated Node #3: [19, 361] from Operation: 31+330=361 Current State: 19:[19, 361], Operations: ['10*33=330', '31+330=361'] Exploring Operation: 361/19=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
4
Current State: 19:[10, 31, 33, 19], Operations: [] Exploring Operation: 31-10=21, Resulting Numbers: [33, 19, 21] Generated Node #0,0: 19:[33, 19, 21] Operation: 31-10=21 Moving to Node #0,0 Current State: 19:[33, 19, 21], Operations: ['31-10=21'] Exploring Operation: 33-19=14, Resulting Numbers: [21, 14] Generated Node #0,0,0: 19:[21, 14] Operation: 33-19=14 Moving to Node #0,0,0 Current State: 19:[21, 14], Operations: ['31-10=21', '33-19=14'] Exploring Operation: 21-14=7, Resulting Numbers: [7] 7,19 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 86, 8, 60, 2 ]
69
[ "86-8=78", "60+78=138", "138/2=69" ]
Current State: 69:[86, 8, 60, 2], Operations: [] Exploring Operation: 86-8=78, Resulting Numbers: [60, 2, 78] Generated Node #2: [60, 2, 78] from Operation: 86-8=78 Current State: 69:[60, 2, 78], Operations: ['86-8=78'] Exploring Operation: 60+78=138, Resulting Numbers: [2, 138] Generated Node #3: [2, 138] from Operation: 60+78=138 Current State: 69:[2, 138], Operations: ['86-8=78', '60+78=138'] Exploring Operation: 138/2=69, Resulting Numbers: [69] 69,69 equal: Goal Reached
4
Current State: 69:[86, 8, 60, 2], Operations: [] Exploring Operation: 86-8=78, Resulting Numbers: [60, 2, 78] Generated Node #0,0: 69:[60, 2, 78] Operation: 86-8=78 Exploring Operation: 86-60=26, Resulting Numbers: [8, 2, 26] Generated Node #0,1: 69:[8, 2, 26] Operation: 86-60=26 Exploring Operation: 8+60=68, Resulting Numbers: [86, 2, 68] Generated Node #0,2: 69:[86, 2, 68] Operation: 8+60=68 Exploring Operation: 8/2=4, Resulting Numbers: [86, 60, 4] Generated Node #0,3: 69:[86, 60, 4] Operation: 8/2=4 Exploring Operation: 86-2=84, Resulting Numbers: [8, 60, 84] Generated Node #0,4: 69:[8, 60, 84] Operation: 86-2=84 Moving to Node #0,1 Current State: 69:[8, 2, 26], Operations: ['86-60=26'] Exploring Operation: 8/2=4, Resulting Numbers: [26, 4] Generated Node #0,1,0: 69:[26, 4] Operation: 8/2=4 Exploring Operation: 26-2=24, Resulting Numbers: [8, 24] Generated Node #0,1,1: 69:[8, 24] Operation: 26-2=24 Exploring Operation: 26-8=18, Resulting Numbers: [2, 18] Generated Node #0,1,2: 69:[2, 18] Operation: 26-8=18 Exploring Operation: 8-2=6, Resulting Numbers: [26, 6] Generated Node #0,1,3: 69:[26, 6] Operation: 8-2=6 Exploring Operation: 8+2=10, Resulting Numbers: [26, 10] Generated Node #0,1,4: 69:[26, 10] Operation: 8+2=10 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 69:[26, 4], Operations: ['86-60=26', '8/2=4'] Exploring Operation: 26*4=104, Resulting Numbers: [104] 104,69 unequal: No Solution Exploring Operation: 26+4=30, Resulting Numbers: [30] 30,69 unequal: No Solution Exploring Operation: 26-4=22, Resulting Numbers: [22] 22,69 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 69:[8, 24], Operations: ['86-60=26', '26-2=24'] Exploring Operation: 8*24=192, Resulting Numbers: [192] 192,69 unequal: No Solution Exploring Operation: 24-8=16, Resulting Numbers: [16] 16,69 unequal: No Solution Exploring Operation: 8+24=32, Resulting Numbers: [32] 32,69 unequal: No Solution Exploring Operation: 24/8=3, Resulting Numbers: [3] 3,69 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 69:[2, 18], Operations: ['86-60=26', '26-8=18'] Exploring Operation: 18-2=16, Resulting Numbers: [16] 16,69 unequal: No Solution Exploring Operation: 2*18=36, Resulting Numbers: [36] 36,69 unequal: No Solution Exploring Operation: 2+18=20, Resulting Numbers: [20] 20,69 unequal: No Solution Exploring Operation: 18/2=9, Resulting Numbers: [9] 9,69 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 69:[26, 6], Operations: ['86-60=26', '8-2=6'] Exploring Operation: 26*6=156, Resulting Numbers: [156] 156,69 unequal: No Solution Exploring Operation: 26+6=32, Resulting Numbers: [32] 32,69 unequal: No Solution Exploring Operation: 26-6=20, Resulting Numbers: [20] 20,69 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 69:[26, 10], Operations: ['86-60=26', '8+2=10'] Exploring Operation: 26-10=16, Resulting Numbers: [16] 16,69 unequal: No Solution Exploring Operation: 26*10=260, Resulting Numbers: [260] 260,69 unequal: No Solution Exploring Operation: 26+10=36, Resulting Numbers: [36] 36,69 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: 69:[86, 2, 68], Operations: ['8+60=68'] Exploring Operation: 68-2=66, Resulting Numbers: [86, 66] Generated Node #0,2,0: 69:[86, 66] Operation: 68-2=66 Exploring Operation: 86-68=18, Resulting Numbers: [2, 18] Generated Node #0,2,1: 69:[2, 18] Operation: 86-68=18 Exploring Operation: 2+68=70, Resulting Numbers: [86, 70] Generated Node #0,2,2: 69:[86, 70] Operation: 2+68=70 Exploring Operation: 86+2=88, Resulting Numbers: [68, 88] Generated Node #0,2,3: 69:[68, 88] Operation: 86+2=88 Exploring Operation: 86-2=84, Resulting Numbers: [68, 84] Generated Node #0,2,4: 69:[68, 84] Operation: 86-2=84 Moving to Node #0,0 Current State: 69:[60, 2, 78], Operations: ['86-8=78'] Exploring Operation: 60/2=30, Resulting Numbers: [78, 30] Generated Node #0,0,0: 69:[78, 30] Operation: 60/2=30 Exploring Operation: 78-2=76, Resulting Numbers: [60, 76] Generated Node #0,0,1: 69:[60, 76] Operation: 78-2=76 Exploring Operation: 60+2=62, Resulting Numbers: [78, 62] Generated Node #0,0,2: 69:[78, 62] Operation: 60+2=62 Exploring Operation: 78-60=18, Resulting Numbers: [2, 18] Generated Node #0,0,3: 69:[2, 18] Operation: 78-60=18 Exploring Operation: 60-2=58, Resulting Numbers: [78, 58] Generated Node #0,0,4: 69:[78, 58] Operation: 60-2=58 Moving to Node #0,3 Current State: 69:[86, 60, 4], Operations: ['8/2=4'] Exploring Operation: 86+4=90, Resulting Numbers: [60, 90] Generated Node #0,3,0: 69:[60, 90] Operation: 86+4=90 Exploring Operation: 86-4=82, Resulting Numbers: [60, 82] Generated Node #0,3,1: 69:[60, 82] Operation: 86-4=82 Exploring Operation: 60+4=64, Resulting Numbers: [86, 64] Generated Node #0,3,2: 69:[86, 64] Operation: 60+4=64 Exploring Operation: 86-60=26, Resulting Numbers: [4, 26] Generated Node #0,3,3: 69:[4, 26] Operation: 86-60=26 Exploring Operation: 60/4=15, Resulting Numbers: [86, 15] Generated Node #0,3,4: 69:[86, 15] Operation: 60/4=15 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 69:[4, 26], Operations: ['8/2=4', '86-60=26'] Exploring Operation: 4+26=30, Resulting Numbers: [30] 30,69 unequal: No Solution Exploring Operation: 26-4=22, Resulting Numbers: [22] 22,69 unequal: No Solution Exploring Operation: 4*26=104, Resulting Numbers: [104] 104,69 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 69:[60, 82], Operations: ['8/2=4', '86-4=82'] Exploring Operation: 82-60=22, Resulting Numbers: [22] 22,69 unequal: No Solution Exploring Operation: 60+82=142, Resulting Numbers: [142] 142,69 unequal: No Solution Exploring Operation: 60*82=4920, Resulting Numbers: [4920] 4920,69 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 69:[86, 64], Operations: ['8/2=4', '60+4=64'] Exploring Operation: 86+64=150, Resulting Numbers: [150] 150,69 unequal: No Solution Exploring Operation: 86*64=5504, Resulting Numbers: [5504] 5504,69 unequal: No Solution Exploring Operation: 86-64=22, Resulting Numbers: [22] 22,69 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 69:[86, 15], Operations: ['8/2=4', '60/4=15'] Exploring Operation: 86+15=101, Resulting Numbers: [101] 101,69 unequal: No Solution Exploring Operation: 86-15=71, Resulting Numbers: [71] 71,69 unequal: No Solution Exploring Operation: 86*15=1290, Resulting Numbers: [1290] 1290,69 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 69:[60, 90], Operations: ['8/2=4', '86+4=90'] Exploring Operation: 90-60=30, Resulting Numbers: [30] 30,69 unequal: No Solution Exploring Operation: 60+90=150, Resulting Numbers: [150] 150,69 unequal: No Solution Exploring Operation: 60*90=5400, Resulting Numbers: [5400] 5400,69 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: 69:[8, 60, 84], Operations: ['86-2=84'] Exploring Operation: 84-60=24, Resulting Numbers: [8, 24] Generated Node #0,4,0: 69:[8, 24] Operation: 84-60=24 Exploring Operation: 60-8=52, Resulting Numbers: [84, 52] Generated Node #0,4,1: 69:[84, 52] Operation: 60-8=52 Exploring Operation: 84-8=76, Resulting Numbers: [60, 76] Generated Node #0,4,2: 69:[60, 76] Operation: 84-8=76 Exploring Operation: 8+60=68, Resulting Numbers: [84, 68] Generated Node #0,4,3: 69:[84, 68] Operation: 8+60=68 Exploring Operation: 8+84=92, Resulting Numbers: [60, 92] Generated Node #0,4,4: 69:[60, 92] Operation: 8+84=92 Moving to Node #0,2,1 Current State: 69:[2, 18], Operations: ['8+60=68', '86-68=18'] Exploring Operation: 2*18=36, Resulting Numbers: [36] 36,69 unequal: No Solution Exploring Operation: 2+18=20, Resulting Numbers: [20] 20,69 unequal: No Solution Exploring Operation: 18-2=16, Resulting Numbers: [16] 16,69 unequal: No Solution Exploring Operation: 18/2=9, Resulting Numbers: [9] 9,69 unequal: No Solution Moving to Node #0,0,3 Current State: 69:[2, 18], Operations: ['86-8=78', '78-60=18'] Exploring Operation: 18-2=16, Resulting Numbers: [16] 16,69 unequal: No Solution Exploring Operation: 2*18=36, Resulting Numbers: [36] 36,69 unequal: No Solution Exploring Operation: 2+18=20, Resulting Numbers: [20] 20,69 unequal: No Solution Exploring Operation: 18/2=9, Resulting Numbers: [9] 9,69 unequal: No Solution Moving to Node #0,4,0 Current State: 69:[8, 24], Operations: ['86-2=84', '84-60=24'] Exploring Operation: 24/8=3, Resulting Numbers: [3] 3,69 unequal: No Solution Exploring Operation: 24-8=16, Resulting Numbers: [16] 16,69 unequal: No Solution Exploring Operation: 8+24=32, Resulting Numbers: [32] 32,69 unequal: No Solution Exploring Operation: 8*24=192, Resulting Numbers: [192] 192,69 unequal: No Solution Moving to Node #0,0,0 Current State: 69:[78, 30], Operations: ['86-8=78', '60/2=30'] Exploring Operation: 78-30=48, Resulting Numbers: [48] 48,69 unequal: No Solution Exploring Operation: 78+30=108, Resulting Numbers: [108] 108,69 unequal: No Solution Exploring Operation: 78*30=2340, Resulting Numbers: [2340] 2340,69 unequal: No Solution Moving to Node #0,4,2 Current State: 69:[60, 76], Operations: ['86-2=84', '84-8=76'] Exploring Operation: 76-60=16, Resulting Numbers: [16] 16,69 unequal: No Solution Exploring Operation: 60+76=136, Resulting Numbers: [136] 136,69 unequal: No Solution Exploring Operation: 60*76=4560, Resulting Numbers: [4560] 4560,69 unequal: No Solution Moving to Node #0,4,3 Current State: 69:[84, 68], Operations: ['86-2=84', '8+60=68'] Exploring Operation: 84*68=5712, Resulting Numbers: [5712] 5712,69 unequal: No Solution Exploring Operation: 84-68=16, Resulting Numbers: [16] 16,69 unequal: No Solution Exploring Operation: 84+68=152, Resulting Numbers: [152] 152,69 unequal: No Solution Moving to Node #0,2,4 Current State: 69:[68, 84], Operations: ['8+60=68', '86-2=84'] Exploring Operation: 68+84=152, Resulting Numbers: [152] 152,69 unequal: No Solution Exploring Operation: 68*84=5712, Resulting Numbers: [5712] 5712,69 unequal: No Solution Exploring Operation: 84-68=16, Resulting Numbers: [16] 16,69 unequal: No Solution Moving to Node #0,0,1 Current State: 69:[60, 76], Operations: ['86-8=78', '78-2=76'] Exploring Operation: 60+76=136, Resulting Numbers: [136] 136,69 unequal: No Solution Exploring Operation: 76-60=16, Resulting Numbers: [16] 16,69 unequal: No Solution Exploring Operation: 60*76=4560, Resulting Numbers: [4560] 4560,69 unequal: No Solution Moving to Node #0,0,2 Current State: 69:[78, 62], Operations: ['86-8=78', '60+2=62'] Exploring Operation: 78-62=16, Resulting Numbers: [16] 16,69 unequal: No Solution Exploring Operation: 78*62=4836, Resulting Numbers: [4836] 4836,69 unequal: No Solution Exploring Operation: 78+62=140, Resulting Numbers: [140] 140,69 unequal: No Solution Moving to Node #0,2,2 Current State: 69:[86, 70], Operations: ['8+60=68', '2+68=70'] Exploring Operation: 86*70=6020, Resulting Numbers: [6020] 6020,69 unequal: No Solution Exploring Operation: 86+70=156, Resulting Numbers: [156] 156,69 unequal: No Solution Exploring Operation: 86-70=16, Resulting Numbers: [16] 16,69 unequal: No Solution Moving to Node #0,2,3 Current State: 69:[68, 88], Operations: ['8+60=68', '86+2=88'] Exploring Operation: 68*88=5984, Resulting Numbers: [5984] 5984,69 unequal: No Solution Exploring Operation: 88-68=20, Resulting Numbers: [20] 20,69 unequal: No Solution Exploring Operation: 68+88=156, Resulting Numbers: [156] 156,69 unequal: No Solution Moving to Node #0,0,4 Current State: 69:[78, 58], Operations: ['86-8=78', '60-2=58'] Exploring Operation: 78+58=136, Resulting Numbers: [136] 136,69 unequal: No Solution Exploring Operation: 78-58=20, Resulting Numbers: [20] 20,69 unequal: No Solution Exploring Operation: 78*58=4524, Resulting Numbers: [4524] 4524,69 unequal: No Solution Moving to Node #0,2,0 Current State: 69:[86, 66], Operations: ['8+60=68', '68-2=66'] Exploring Operation: 86+66=152, Resulting Numbers: [152] 152,69 unequal: No Solution Exploring Operation: 86*66=5676, Resulting Numbers: [5676] 5676,69 unequal: No Solution Exploring Operation: 86-66=20, Resulting Numbers: [20] 20,69 unequal: No Solution Moving to Node #0,4,1 Current State: 69:[84, 52], Operations: ['86-2=84', '60-8=52'] Exploring Operation: 84+52=136, Resulting Numbers: [136] 136,69 unequal: No Solution Exploring Operation: 84*52=4368, Resulting Numbers: [4368] 4368,69 unequal: No Solution Exploring Operation: 84-52=32, Resulting Numbers: [32] 32,69 unequal: No Solution Moving to Node #0,4,4 Current State: 69:[60, 92], Operations: ['86-2=84', '8+84=92'] Exploring Operation: 60*92=5520, Resulting Numbers: [5520] 5520,69 unequal: No Solution Exploring Operation: 92-60=32, Resulting Numbers: [32] 32,69 unequal: No Solution Exploring Operation: 60+92=152, Resulting Numbers: [152] 152,69 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 47, 11, 94, 80 ]
93
[ "94/47=2", "11+80=91", "2+91=93" ]
Current State: 93:[47, 11, 94, 80], Operations: [] Exploring Operation: 94/47=2, Resulting Numbers: [11, 80, 2] Generated Node #2: [11, 80, 2] from Operation: 94/47=2 Current State: 93:[11, 80, 2], Operations: ['94/47=2'] Exploring Operation: 11+80=91, Resulting Numbers: [2, 91] Generated Node #3: [2, 91] from Operation: 11+80=91 Current State: 93:[2, 91], Operations: ['94/47=2', '11+80=91'] Exploring Operation: 2+91=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
4
Current State: 93:[47, 11, 94, 80], Operations: [] Exploring Operation: 47-11=36, Resulting Numbers: [94, 80, 36] Generated Node #0,0: 93:[94, 80, 36] Operation: 47-11=36 Exploring Operation: 80-47=33, Resulting Numbers: [11, 94, 33] Generated Node #0,1: 93:[11, 94, 33] Operation: 80-47=33 Exploring Operation: 11+80=91, Resulting Numbers: [47, 94, 91] Generated Node #0,2: 93:[47, 94, 91] Operation: 11+80=91 Moving to Node #0,1 Current State: 93:[11, 94, 33], Operations: ['80-47=33'] Exploring Operation: 94-11=83, Resulting Numbers: [33, 83] Generated Node #0,1,0: 93:[33, 83] Operation: 94-11=83 Exploring Operation: 33/11=3, Resulting Numbers: [94, 3] Generated Node #0,1,1: 93:[94, 3] Operation: 33/11=3 Exploring Operation: 33-11=22, Resulting Numbers: [94, 22] Generated Node #0,1,2: 93:[94, 22] Operation: 33-11=22 Moving to Node #0,0 Current State: 93:[94, 80, 36], Operations: ['47-11=36'] Exploring Operation: 80-36=44, Resulting Numbers: [94, 44] Generated Node #0,0,0: 93:[94, 44] Operation: 80-36=44 Exploring Operation: 80+36=116, Resulting Numbers: [94, 116] Generated Node #0,0,1: 93:[94, 116] Operation: 80+36=116 Exploring Operation: 94-80=14, Resulting Numbers: [36, 14] Generated Node #0,0,2: 93:[36, 14] Operation: 94-80=14 Moving to Node #0,2 Current State: 93:[47, 94, 91], Operations: ['11+80=91'] Exploring Operation: 94-91=3, Resulting Numbers: [47, 3] Generated Node #0,2,0: 93:[47, 3] Operation: 94-91=3 Exploring Operation: 91-47=44, Resulting Numbers: [94, 44] Generated Node #0,2,1: 93:[94, 44] Operation: 91-47=44 Exploring Operation: 94/47=2, Resulting Numbers: [91, 2] Generated Node #0,2,2: 93:[91, 2] Operation: 94/47=2 Moving to Node #0,1,1 Current State: 93:[94, 3], Operations: ['80-47=33', '33/11=3'] Exploring Operation: 94-3=91, Resulting Numbers: [91] 91,93 unequal: No Solution Exploring Operation: 94+3=97, Resulting Numbers: [97] 97,93 unequal: No Solution Exploring Operation: 94*3=282, Resulting Numbers: [282] 282,93 unequal: No Solution Moving to Node #0,2,2 Current State: 93:[91, 2], Operations: ['11+80=91', '94/47=2'] Exploring Operation: 91*2=182, Resulting Numbers: [182] 182,93 unequal: No Solution Exploring Operation: 91-2=89, Resulting Numbers: [89] 89,93 unequal: No Solution Exploring Operation: 91+2=93, Resulting Numbers: [93] 93,93 equal: Goal Reached Moving to Node #0 Current State: 93:[47, 11, 94, 80], Operations: [] Exploring Operation: 11+80=91, Resulting Numbers: [47, 94, 91] Generated Node #0,2: 93:[47, 94, 91] Operation: 11+80=91 Moving to Node #0,2 Current State: 93:[47, 94, 91], Operations: ['11+80=91'] Exploring Operation: 94/47=2, Resulting Numbers: [91, 2] Generated Node #0,2,2: 93:[91, 2] Operation: 94/47=2 Moving to Node #0,2,2 Current State: 93:[91, 2], Operations: ['11+80=91', '94/47=2'] Exploring Operation: 91+2=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
0.980903
hs_3
sum_heuristic
[ 18, 21, 19, 19 ]
41
[ "21-18=3", "19+19=38", "3+38=41" ]
Current State: 41:[18, 21, 19, 19], Operations: [] Exploring Operation: 21-18=3, Resulting Numbers: [19, 19, 3] Generated Node #2: [19, 19, 3] from Operation: 21-18=3 Current State: 41:[19, 19, 3], Operations: ['21-18=3'] Exploring Operation: 19+19=38, Resulting Numbers: [3, 38] Generated Node #3: [3, 38] from Operation: 19+19=38 Current State: 41:[3, 38], Operations: ['21-18=3', '19+19=38'] Exploring Operation: 3+38=41, Resulting Numbers: [41] 41,41 equal: Goal Reached
4
Current State: 41:[18, 21, 19, 19], Operations: [] Exploring Operation: 18+21=39, Resulting Numbers: [19, 19, 39] Generated Node #0,0: 41:[19, 19, 39] Operation: 18+21=39 Moving to Node #0,0 Current State: 41:[19, 19, 39], Operations: ['18+21=39'] Exploring Operation: 19+19=38, Resulting Numbers: [39, 38] Generated Node #0,0,0: 41:[39, 38] Operation: 19+19=38 Moving to Node #0,0,0 Current State: 41:[39, 38], Operations: ['18+21=39', '19+19=38'] Exploring Operation: 39+38=77, Resulting Numbers: [77] 77,41 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 65, 70, 33, 52 ]
24
[ "70-65=5", "52-33=19", "5+19=24" ]
Current State: 24:[65, 70, 33, 52], Operations: [] Exploring Operation: 70-65=5, Resulting Numbers: [33, 52, 5] Generated Node #2: [33, 52, 5] from Operation: 70-65=5 Current State: 24:[33, 52, 5], Operations: ['70-65=5'] Exploring Operation: 52-33=19, Resulting Numbers: [5, 19] Generated Node #3: [5, 19] from Operation: 52-33=19 Current State: 24:[5, 19], Operations: ['70-65=5', '52-33=19'] Exploring Operation: 5+19=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
4
Current State: 24:[65, 70, 33, 52], Operations: [] Exploring Operation: 65-33=32, Resulting Numbers: [70, 52, 32] Generated Node #0,0: 24:[70, 52, 32] Operation: 65-33=32 Exploring Operation: 65-52=13, Resulting Numbers: [70, 33, 13] Generated Node #0,1: 24:[70, 33, 13] Operation: 65-52=13 Exploring Operation: 70-52=18, Resulting Numbers: [65, 33, 18] Generated Node #0,2: 24:[65, 33, 18] Operation: 70-52=18 Exploring Operation: 70-65=5, Resulting Numbers: [33, 52, 5] Generated Node #0,3: 24:[33, 52, 5] Operation: 70-65=5 Moving to Node #0,3 Current State: 24:[33, 52, 5], Operations: ['70-65=5'] Exploring Operation: 33-5=28, Resulting Numbers: [52, 28] Generated Node #0,3,0: 24:[52, 28] Operation: 33-5=28 Exploring Operation: 33+5=38, Resulting Numbers: [52, 38] Generated Node #0,3,1: 24:[52, 38] Operation: 33+5=38 Exploring Operation: 52-33=19, Resulting Numbers: [5, 19] Generated Node #0,3,2: 24:[5, 19] Operation: 52-33=19 Exploring Operation: 52-5=47, Resulting Numbers: [33, 47] Generated Node #0,3,3: 24:[33, 47] Operation: 52-5=47 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 24:[5, 19], Operations: ['70-65=5', '52-33=19'] Exploring Operation: 5*19=95, Resulting Numbers: [95] 95,24 unequal: No Solution Exploring Operation: 5+19=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Moving to Node #0 Current State: 24:[65, 70, 33, 52], Operations: [] Exploring Operation: 70-65=5, Resulting Numbers: [33, 52, 5] Generated Node #0,3: 24:[33, 52, 5] Operation: 70-65=5 Moving to Node #0,3 Current State: 24:[33, 52, 5], Operations: ['70-65=5'] Exploring Operation: 52-33=19, Resulting Numbers: [5, 19] Generated Node #0,3,2: 24:[5, 19] Operation: 52-33=19 Moving to Node #0,3,2 Current State: 24:[5, 19], Operations: ['70-65=5', '52-33=19'] Exploring Operation: 5+19=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_4
mult_heuristic
[ 7, 33, 80, 48 ]
58
[ "33-7=26", "80-48=32", "26+32=58" ]
Current State: 58:[7, 33, 80, 48], Operations: [] Exploring Operation: 33-7=26, Resulting Numbers: [80, 48, 26] Generated Node #2: [80, 48, 26] from Operation: 33-7=26 Current State: 58:[80, 48, 26], Operations: ['33-7=26'] Exploring Operation: 80-48=32, Resulting Numbers: [26, 32] Generated Node #3: [26, 32] from Operation: 80-48=32 Current State: 58:[26, 32], Operations: ['33-7=26', '80-48=32'] Exploring Operation: 26+32=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[7, 33, 80, 48], Operations: [] Exploring Operation: 80-33=47, Resulting Numbers: [7, 48, 47] Generated Node #0,0: 58:[7, 48, 47] Operation: 80-33=47 Exploring Operation: 80-48=32, Resulting Numbers: [7, 33, 32] Generated Node #0,1: 58:[7, 33, 32] Operation: 80-48=32 Exploring Operation: 80-7=73, Resulting Numbers: [33, 48, 73] Generated Node #0,2: 58:[33, 48, 73] Operation: 80-7=73 Start Sub Search at level 1: Moving to Node #0,1 Current State: 58:[7, 33, 32], Operations: ['80-48=32'] Exploring Operation: 32-7=25, Resulting Numbers: [33, 25] Generated Node #0,1,0: 58:[33, 25] Operation: 32-7=25 Exploring Operation: 33-7=26, Resulting Numbers: [32, 26] Generated Node #0,1,1: 58:[32, 26] Operation: 33-7=26 Exploring Operation: 33-32=1, Resulting Numbers: [7, 1] Generated Node #0,1,2: 58:[7, 1] Operation: 33-32=1 Moving to Node #0,1,1 Current State: 58:[32, 26], Operations: ['80-48=32', '33-7=26'] Exploring Operation: 32+26=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Moving to Node #0 Current State: 58:[7, 33, 80, 48], Operations: [] Exploring Operation: 80-48=32, Resulting Numbers: [7, 33, 32] Generated Node #0,1: 58:[7, 33, 32] Operation: 80-48=32 Moving to Node #0,1 Current State: 58:[7, 33, 32], Operations: ['80-48=32'] Exploring Operation: 33-7=26, Resulting Numbers: [32, 26] Generated Node #0,1,1: 58:[32, 26] Operation: 33-7=26 Moving to Node #0,1,1 Current State: 58:[32, 26], Operations: ['80-48=32', '33-7=26'] Exploring Operation: 32+26=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_3
sum_heuristic
[ 51, 9, 16, 87 ]
57
[ "9+87=96", "96/16=6", "51+6=57" ]
Current State: 57:[51, 9, 16, 87], Operations: [] Exploring Operation: 9+87=96, Resulting Numbers: [51, 16, 96] Generated Node #2: [51, 16, 96] from Operation: 9+87=96 Current State: 57:[51, 16, 96], Operations: ['9+87=96'] Exploring Operation: 96/16=6, Resulting Numbers: [51, 6] Generated Node #3: [51, 6] from Operation: 96/16=6 Current State: 57:[51, 6], Operations: ['9+87=96', '96/16=6'] Exploring Operation: 51+6=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
4
Current State: 57:[51, 9, 16, 87], Operations: [] Exploring Operation: 87-51=36, Resulting Numbers: [9, 16, 36] Generated Node #0,0: 57:[9, 16, 36] Operation: 87-51=36 Start Sub Search at level 1: Moving to Node #0,0 Current State: 57:[9, 16, 36], Operations: ['87-51=36'] Exploring Operation: 36/9=4, Resulting Numbers: [16, 4] Generated Node #0,0,0: 57:[16, 4] Operation: 36/9=4 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 57:[16, 4], Operations: ['87-51=36', '36/9=4'] Exploring Operation: 16+4=20, Resulting Numbers: [20] 20,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 17, 38, 6, 12 ]
52
[ "17*6=102", "38+12=50", "102-50=52" ]
Current State: 52:[17, 38, 6, 12], Operations: [] Exploring Operation: 17*6=102, Resulting Numbers: [38, 12, 102] Generated Node #2: [38, 12, 102] from Operation: 17*6=102 Current State: 52:[38, 12, 102], Operations: ['17*6=102'] Exploring Operation: 38+12=50, Resulting Numbers: [102, 50] Generated Node #3: [102, 50] from Operation: 38+12=50 Current State: 52:[102, 50], Operations: ['17*6=102', '38+12=50'] Exploring Operation: 102-50=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[17, 38, 6, 12], Operations: [] Exploring Operation: 17+38=55, Resulting Numbers: [6, 12, 55] Generated Node #0,0: 52:[6, 12, 55] Operation: 17+38=55 Exploring Operation: 38-17=21, Resulting Numbers: [6, 12, 21] Generated Node #0,1: 52:[6, 12, 21] Operation: 38-17=21 Exploring Operation: 38-12=26, Resulting Numbers: [17, 6, 26] Generated Node #0,2: 52:[17, 6, 26] Operation: 38-12=26 Moving to Node #0,0 Current State: 52:[6, 12, 55], Operations: ['17+38=55'] Exploring Operation: 12/6=2, Resulting Numbers: [55, 2] Generated Node #0,0,0: 52:[55, 2] Operation: 12/6=2 Exploring Operation: 55-6=49, Resulting Numbers: [12, 49] Generated Node #0,0,1: 52:[12, 49] Operation: 55-6=49 Exploring Operation: 12-6=6, Resulting Numbers: [55, 6] Generated Node #0,0,2: 52:[55, 6] Operation: 12-6=6 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 52:[55, 2], Operations: ['17+38=55', '12/6=2'] Exploring Operation: 55+2=57, Resulting Numbers: [57] 57,52 unequal: No Solution Exploring Operation: 55-2=53, Resulting Numbers: [53] 53,52 unequal: No Solution Exploring Operation: 55*2=110, Resulting Numbers: [110] 110,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 52:[12, 49], Operations: ['17+38=55', '55-6=49'] Exploring Operation: 12*49=588, Resulting Numbers: [588] 588,52 unequal: No Solution Exploring Operation: 49-12=37, Resulting Numbers: [37] 37,52 unequal: No Solution Exploring Operation: 12+49=61, Resulting Numbers: [61] 61,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 52:[55, 6], Operations: ['17+38=55', '12-6=6'] Exploring Operation: 55*6=330, Resulting Numbers: [330] 330,52 unequal: No Solution Exploring Operation: 55+6=61, Resulting Numbers: [61] 61,52 unequal: No Solution Exploring Operation: 55-6=49, Resulting Numbers: [49] 49,52 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:[17, 6, 26], Operations: ['38-12=26'] Exploring Operation: 17+6=23, Resulting Numbers: [26, 23] Generated Node #0,2,0: 52:[26, 23] Operation: 17+6=23 Exploring Operation: 17-6=11, Resulting Numbers: [26, 11] Generated Node #0,2,1: 52:[26, 11] Operation: 17-6=11 Exploring Operation: 26-17=9, Resulting Numbers: [6, 9] Generated Node #0,2,2: 52:[6, 9] Operation: 26-17=9 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 52:[26, 11], Operations: ['38-12=26', '17-6=11'] Exploring Operation: 26*11=286, Resulting Numbers: [286] 286,52 unequal: No Solution Exploring Operation: 26+11=37, Resulting Numbers: [37] 37,52 unequal: No Solution Exploring Operation: 26-11=15, Resulting Numbers: [15] 15,52 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 #0,2,0 Current State: 52:[26, 23], Operations: ['38-12=26', '17+6=23'] Exploring Operation: 26*23=598, Resulting Numbers: [598] 598,52 unequal: No Solution Exploring Operation: 26+23=49, Resulting Numbers: [49] 49,52 unequal: No Solution Exploring Operation: 26-23=3, Resulting Numbers: [3] 3,52 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:[6, 9], Operations: ['38-12=26', '26-17=9'] Exploring Operation: 6+9=15, Resulting Numbers: [15] 15,52 unequal: No Solution Exploring Operation: 6*9=54, Resulting Numbers: [54] 54,52 unequal: No Solution Exploring Operation: 9-6=3, Resulting Numbers: [3] 3,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 52:[6, 12, 21], Operations: ['38-17=21'] Exploring Operation: 6+21=27, Resulting Numbers: [12, 27] Generated Node #0,1,0: 52:[12, 27] Operation: 6+21=27 Exploring Operation: 12/6=2, Resulting Numbers: [21, 2] Generated Node #0,1,1: 52:[21, 2] Operation: 12/6=2 Exploring Operation: 21-6=15, Resulting Numbers: [12, 15] Generated Node #0,1,2: 52:[12, 15] Operation: 21-6=15 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 52:[12, 27], Operations: ['38-17=21', '6+21=27'] Exploring Operation: 12+27=39, Resulting Numbers: [39] 39,52 unequal: No Solution Exploring Operation: 12*27=324, Resulting Numbers: [324] 324,52 unequal: No Solution Exploring Operation: 27-12=15, Resulting Numbers: [15] 15,52 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:[12, 15], Operations: ['38-17=21', '21-6=15'] Exploring Operation: 12*15=180, Resulting Numbers: [180] 180,52 unequal: No Solution Exploring Operation: 12+15=27, Resulting Numbers: [27] 27,52 unequal: No Solution Exploring Operation: 15-12=3, Resulting Numbers: [3] 3,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 52:[21, 2], Operations: ['38-17=21', '12/6=2'] Exploring Operation: 21-2=19, Resulting Numbers: [19] 19,52 unequal: No Solution Exploring Operation: 21+2=23, Resulting Numbers: [23] 23,52 unequal: No Solution Exploring Operation: 21*2=42, Resulting Numbers: [42] 42,52 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
[ 55, 54, 56, 49 ]
98
[ "54+56=110", "110/55=2", "49*2=98" ]
Current State: 98:[55, 54, 56, 49], Operations: [] Exploring Operation: 54+56=110, Resulting Numbers: [55, 49, 110] Generated Node #2: [55, 49, 110] from Operation: 54+56=110 Current State: 98:[55, 49, 110], Operations: ['54+56=110'] Exploring Operation: 110/55=2, Resulting Numbers: [49, 2] Generated Node #3: [49, 2] from Operation: 110/55=2 Current State: 98:[49, 2], Operations: ['54+56=110', '110/55=2'] Exploring Operation: 49*2=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
4
Current State: 98:[55, 54, 56, 49], Operations: [] Exploring Operation: 56-55=1, Resulting Numbers: [54, 49, 1] Generated Node #0,0: 98:[54, 49, 1] Operation: 56-55=1 Exploring Operation: 56-54=2, Resulting Numbers: [55, 49, 2] Generated Node #0,1: 98:[55, 49, 2] Operation: 56-54=2 Start Sub Search at level 1: Moving to Node #0,0 Current State: 98:[54, 49, 1], Operations: ['56-55=1'] Exploring Operation: 54-49=5, Resulting Numbers: [1, 5] Generated Node #0,0,0: 98:[1, 5] Operation: 54-49=5 Exploring Operation: 54-1=53, Resulting Numbers: [49, 53] Generated Node #0,0,1: 98:[49, 53] Operation: 54-1=53 Moving to Node #0,0,0 Current State: 98:[1, 5], Operations: ['56-55=1', '54-49=5'] Exploring Operation: 1*5=5, Resulting Numbers: [5] 5,98 unequal: No Solution Exploring Operation: 1+5=6, Resulting Numbers: [6] 6,98 unequal: No Solution Moving to Node #0,0,1 Current State: 98:[49, 53], Operations: ['56-55=1', '54-1=53'] Exploring Operation: 53-49=4, Resulting Numbers: [4] 4,98 unequal: No Solution Exploring Operation: 49+53=102, Resulting Numbers: [102] 102,98 unequal: No Solution No 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: 98:[55, 49, 2], Operations: ['56-54=2'] Exploring Operation: 55-2=53, Resulting Numbers: [49, 53] Generated Node #0,1,0: 98:[49, 53] Operation: 55-2=53 Exploring Operation: 55-49=6, Resulting Numbers: [2, 6] Generated Node #0,1,1: 98:[2, 6] Operation: 55-49=6 Moving to Node #0,1,1 Current State: 98:[2, 6], Operations: ['56-54=2', '55-49=6'] Exploring Operation: 6/2=3, Resulting Numbers: [3] 3,98 unequal: No Solution Exploring Operation: 2+6=8, Resulting Numbers: [8] 8,98 unequal: No Solution Moving to Node #0,1,0 Current State: 98:[49, 53], Operations: ['56-54=2', '55-2=53'] Exploring Operation: 53-49=4, Resulting Numbers: [4] 4,98 unequal: No Solution Exploring Operation: 49+53=102, Resulting Numbers: [102] 102,98 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 72, 60, 63, 53 ]
81
[ "60-53=7", "63/7=9", "72+9=81" ]
Current State: 81:[72, 60, 63, 53], Operations: [] Exploring Operation: 60-53=7, Resulting Numbers: [72, 63, 7] Generated Node #2: [72, 63, 7] from Operation: 60-53=7 Current State: 81:[72, 63, 7], Operations: ['60-53=7'] Exploring Operation: 63/7=9, Resulting Numbers: [72, 9] Generated Node #3: [72, 9] from Operation: 63/7=9 Current State: 81:[72, 9], Operations: ['60-53=7', '63/7=9'] Exploring Operation: 72+9=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[72, 60, 63, 53], Operations: [] Exploring Operation: 63-53=10, Resulting Numbers: [72, 60, 10] Generated Node #0,0: 81:[72, 60, 10] Operation: 63-53=10 Exploring Operation: 60-53=7, Resulting Numbers: [72, 63, 7] Generated Node #0,1: 81:[72, 63, 7] Operation: 60-53=7 Start Sub Search at level 1: Moving to Node #0,1 Current State: 81:[72, 63, 7], Operations: ['60-53=7'] Exploring Operation: 63/7=9, Resulting Numbers: [72, 9] Generated Node #0,1,0: 81:[72, 9] Operation: 63/7=9 Exploring Operation: 72-63=9, Resulting Numbers: [7, 9] Generated Node #0,1,1: 81:[7, 9] Operation: 72-63=9 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 81:[7, 9], Operations: ['60-53=7', '72-63=9'] Exploring Operation: 9-7=2, Resulting Numbers: [2] 2,81 unequal: No Solution Exploring Operation: 7+9=16, Resulting Numbers: [16] 16,81 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 81:[72, 9], Operations: ['60-53=7', '63/7=9'] Exploring Operation: 72/9=8, Resulting Numbers: [8] 8,81 unequal: No Solution Exploring Operation: 72+9=81, Resulting Numbers: [81] 81,81 equal: Goal Reached Moving to Node #0 Current State: 81:[72, 60, 63, 53], Operations: [] Exploring Operation: 60-53=7, Resulting Numbers: [72, 63, 7] Generated Node #0,1: 81:[72, 63, 7] Operation: 60-53=7 Moving to Node #0,1 Current State: 81:[72, 63, 7], Operations: ['60-53=7'] Exploring Operation: 63/7=9, Resulting Numbers: [72, 9] Generated Node #0,1,0: 81:[72, 9] Operation: 63/7=9 Moving to Node #0,1,0 Current State: 81:[72, 9], Operations: ['60-53=7', '63/7=9'] Exploring Operation: 72+9=81, Resulting Numbers: [81] 81,81 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.989583
hs_2
mult_heuristic
[ 10, 2, 47, 2 ]
76
[ "47-10=37", "2*37=74", "2+74=76" ]
Current State: 76:[10, 2, 47, 2], Operations: [] Exploring Operation: 47-10=37, Resulting Numbers: [2, 2, 37] Generated Node #2: [2, 2, 37] from Operation: 47-10=37 Current State: 76:[2, 2, 37], Operations: ['47-10=37'] Exploring Operation: 2*37=74, Resulting Numbers: [74] 74,76 equal: Goal Reached Exploring Operation: 2+74=76, Resulting Numbers: [76] 76,76 equal: Goal Reached
4
Current State: 76:[10, 2, 47, 2], Operations: [] Exploring Operation: 47-10=37, Resulting Numbers: [2, 2, 37] Generated Node #0,0: 76:[2, 2, 37] Operation: 47-10=37 Exploring Operation: 10*2=20, Resulting Numbers: [47, 2, 20] Generated Node #0,1: 76:[47, 2, 20] Operation: 10*2=20 Moving to Node #0,0 Current State: 76:[2, 2, 37], Operations: ['47-10=37'] Exploring Operation: 2+2=4, Resulting Numbers: [37, 4] Generated Node #0,0,0: 76:[37, 4] Operation: 2+2=4 Exploring Operation: 2*2=4, Resulting Numbers: [37, 4] Generated Node #0,0,1: 76:[37, 4] Operation: 2*2=4 Moving to Node #0,1 Current State: 76:[47, 2, 20], Operations: ['10*2=20'] Exploring Operation: 47-2=45, Resulting Numbers: [20, 45] Generated Node #0,1,0: 76:[20, 45] Operation: 47-2=45 Exploring Operation: 47-20=27, Resulting Numbers: [2, 27] Generated Node #0,1,1: 76:[2, 27] Operation: 47-20=27 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 76:[20, 45], Operations: ['10*2=20', '47-2=45'] Exploring Operation: 45-20=25, Resulting Numbers: [25] 25,76 unequal: No Solution Exploring Operation: 20+45=65, Resulting Numbers: [65] 65,76 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 76:[2, 27], Operations: ['10*2=20', '47-20=27'] Exploring Operation: 27-2=25, Resulting Numbers: [25] 25,76 unequal: No Solution Exploring Operation: 2+27=29, Resulting Numbers: [29] 29,76 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: 76:[37, 4], Operations: ['47-10=37', '2+2=4'] Exploring Operation: 37+4=41, Resulting Numbers: [41] 41,76 unequal: No Solution Exploring Operation: 37-4=33, Resulting Numbers: [33] 33,76 unequal: No Solution Moving to Node #0,0,1 Current State: 76:[37, 4], Operations: ['47-10=37', '2*2=4'] Exploring Operation: 37-4=33, Resulting Numbers: [33] 33,76 unequal: No Solution Exploring Operation: 37+4=41, Resulting Numbers: [41] 41,76 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 48, 8, 5, 41 ]
86
[ "48-8=40", "5+41=46", "40+46=86" ]
Current State: 86:[48, 8, 5, 41], Operations: [] Exploring Operation: 48-8=40, Resulting Numbers: [5, 41, 40] Generated Node #2: [5, 41, 40] from Operation: 48-8=40 Current State: 86:[5, 41, 40], Operations: ['48-8=40'] Exploring Operation: 5+41=46, Resulting Numbers: [40, 46] Generated Node #3: [40, 46] from Operation: 5+41=46 Current State: 86:[40, 46], Operations: ['48-8=40', '5+41=46'] Exploring Operation: 40+46=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
4
Current State: 86:[48, 8, 5, 41], Operations: [] Exploring Operation: 48-8=40, Resulting Numbers: [5, 41, 40] Generated Node #0,0: 86:[5, 41, 40] Operation: 48-8=40 Start Sub Search at level 1: Moving to Node #0,0 Current State: 86:[5, 41, 40], Operations: ['48-8=40'] Exploring Operation: 5+40=45, Resulting Numbers: [41, 45] Generated Node #0,0,0: 86:[41, 45] Operation: 5+40=45 Moving to Node #0,0,0 Current State: 86:[41, 45], Operations: ['48-8=40', '5+40=45'] Exploring Operation: 41+45=86, Resulting Numbers: [86] 86,86 equal: Goal Reached Moving to Node #0 Current State: 86:[48, 8, 5, 41], Operations: [] Exploring Operation: 48-8=40, Resulting Numbers: [5, 41, 40] Generated Node #0,0: 86:[5, 41, 40] Operation: 48-8=40 Moving to Node #0,0 Current State: 86:[5, 41, 40], Operations: ['48-8=40'] Exploring Operation: 5+40=45, Resulting Numbers: [41, 45] Generated Node #0,0,0: 86:[41, 45] Operation: 5+40=45 Moving to Node #0,0,0 Current State: 86:[41, 45], Operations: ['48-8=40', '5+40=45'] Exploring Operation: 41+45=86, Resulting Numbers: [86] 86,86 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 45, 25, 48, 6 ]
75
[ "48-45=3", "6-3=3", "25*3=75" ]
Current State: 75:[45, 25, 48, 6], Operations: [] Exploring Operation: 48-45=3, Resulting Numbers: [25, 6, 3] Generated Node #2: [25, 6, 3] from Operation: 48-45=3 Current State: 75:[25, 6, 3], Operations: ['48-45=3'] Exploring Operation: 6-3=3, Resulting Numbers: [25, 3] Generated Node #3: [25, 3] from Operation: 6-3=3 Current State: 75:[25, 3], Operations: ['48-45=3', '6-3=3'] Exploring Operation: 25*3=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
4
Current State: 75:[45, 25, 48, 6], Operations: [] Exploring Operation: 48-45=3, Resulting Numbers: [25, 6, 3] Generated Node #0,0: 75:[25, 6, 3] Operation: 48-45=3 Start Sub Search at level 1: Moving to Node #0,0 Current State: 75:[25, 6, 3], Operations: ['48-45=3'] Exploring Operation: 6-3=3, Resulting Numbers: [25, 3] Generated Node #0,0,0: 75:[25, 3] Operation: 6-3=3 Moving to Node #0,0,0 Current State: 75:[25, 3], Operations: ['48-45=3', '6-3=3'] Exploring Operation: 25*3=75, Resulting Numbers: [75] 75,75 equal: Goal Reached Moving to Node #0 Current State: 75:[45, 25, 48, 6], Operations: [] Exploring Operation: 48-45=3, Resulting Numbers: [25, 6, 3] Generated Node #0,0: 75:[25, 6, 3] Operation: 48-45=3 Moving to Node #0,0 Current State: 75:[25, 6, 3], Operations: ['48-45=3'] Exploring Operation: 6-3=3, Resulting Numbers: [25, 3] Generated Node #0,0,0: 75:[25, 3] Operation: 6-3=3 Moving to Node #0,0,0 Current State: 75:[25, 3], Operations: ['48-45=3', '6-3=3'] Exploring Operation: 25*3=75, Resulting Numbers: [75] 75,75 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 74, 87, 51, 3 ]
52
[ "74-51=23", "87/3=29", "23+29=52" ]
Current State: 52:[74, 87, 51, 3], Operations: [] Exploring Operation: 74-51=23, Resulting Numbers: [87, 3, 23] Generated Node #2: [87, 3, 23] from Operation: 74-51=23 Current State: 52:[87, 3, 23], Operations: ['74-51=23'] Exploring Operation: 87/3=29, Resulting Numbers: [23, 29] Generated Node #3: [23, 29] from Operation: 87/3=29 Current State: 52:[23, 29], Operations: ['74-51=23', '87/3=29'] Exploring Operation: 23+29=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[74, 87, 51, 3], Operations: [] Exploring Operation: 87-74=13, Resulting Numbers: [51, 3, 13] Generated Node #0,0: 52:[51, 3, 13] Operation: 87-74=13 Exploring Operation: 87/3=29, Resulting Numbers: [74, 51, 29] Generated Node #0,1: 52:[74, 51, 29] Operation: 87/3=29 Moving to Node #0,0 Current State: 52:[51, 3, 13], Operations: ['87-74=13'] Exploring Operation: 51-3=48, Resulting Numbers: [13, 48] Generated Node #0,0,0: 52:[13, 48] Operation: 51-3=48 Exploring Operation: 51+3=54, Resulting Numbers: [13, 54] Generated Node #0,0,1: 52:[13, 54] Operation: 51+3=54 Moving to Node #0,1 Current State: 52:[74, 51, 29], Operations: ['87/3=29'] Exploring Operation: 74-51=23, Resulting Numbers: [29, 23] Generated Node #0,1,0: 52:[29, 23] Operation: 74-51=23 Exploring Operation: 74-29=45, Resulting Numbers: [51, 45] Generated Node #0,1,1: 52:[51, 45] Operation: 74-29=45 Moving to Node #0,0,1 Current State: 52:[13, 54], Operations: ['87-74=13', '51+3=54'] Exploring Operation: 13+54=67, Resulting Numbers: [67] 67,52 unequal: No Solution Exploring Operation: 54-13=41, Resulting Numbers: [41] 41,52 unequal: No Solution Moving to Node #0,0,0 Current State: 52:[13, 48], Operations: ['87-74=13', '51-3=48'] Exploring Operation: 13+48=61, Resulting Numbers: [61] 61,52 unequal: No Solution Exploring Operation: 48-13=35, Resulting Numbers: [35] 35,52 unequal: No Solution Moving to Node #0,1,0 Current State: 52:[29, 23], Operations: ['87/3=29', '74-51=23'] Exploring Operation: 29-23=6, Resulting Numbers: [6] 6,52 unequal: No Solution Exploring Operation: 29+23=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Moving to Node #0 Current State: 52:[74, 87, 51, 3], Operations: [] Exploring Operation: 87/3=29, Resulting Numbers: [74, 51, 29] Generated Node #0,1: 52:[74, 51, 29] Operation: 87/3=29 Moving to Node #0,1 Current State: 52:[74, 51, 29], Operations: ['87/3=29'] Exploring Operation: 74-51=23, Resulting Numbers: [29, 23] Generated Node #0,1,0: 52:[29, 23] Operation: 74-51=23 Moving to Node #0,1,0 Current State: 52:[29, 23], Operations: ['87/3=29', '74-51=23'] Exploring Operation: 29+23=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
0.986111
hs_2
sum_heuristic
[ 86, 10, 32, 95 ]
27
[ "10*95=950", "950-86=864", "864/32=27" ]
Current State: 27:[86, 10, 32, 95], Operations: [] Exploring Operation: 10*95=950, Resulting Numbers: [86, 32, 950] Generated Node #2: [86, 32, 950] from Operation: 10*95=950 Current State: 27:[86, 32, 950], Operations: ['10*95=950'] Exploring Operation: 950-86=864, Resulting Numbers: [32, 864] Generated Node #3: [32, 864] from Operation: 950-86=864 Current State: 27:[32, 864], Operations: ['10*95=950', '950-86=864'] Exploring Operation: 864/32=27, Resulting Numbers: [27] 27,27 equal: Goal Reached
4
Current State: 27:[86, 10, 32, 95], Operations: [] Exploring Operation: 95-10=85, Resulting Numbers: [86, 32, 85] Generated Node #0,0: 27:[86, 32, 85] Operation: 95-10=85 Exploring Operation: 95-32=63, Resulting Numbers: [86, 10, 63] Generated Node #0,1: 27:[86, 10, 63] Operation: 95-32=63 Exploring Operation: 86-10=76, Resulting Numbers: [32, 95, 76] Generated Node #0,2: 27:[32, 95, 76] Operation: 86-10=76 Exploring Operation: 86-32=54, Resulting Numbers: [10, 95, 54] Generated Node #0,3: 27:[10, 95, 54] Operation: 86-32=54 Exploring Operation: 95-86=9, Resulting Numbers: [10, 32, 9] Generated Node #0,4: 27:[10, 32, 9] Operation: 95-86=9 Moving to Node #0,4 Current State: 27:[10, 32, 9], Operations: ['95-86=9'] Exploring Operation: 10-9=1, Resulting Numbers: [32, 1] Generated Node #0,4,0: 27:[32, 1] Operation: 10-9=1 Exploring Operation: 32-10=22, Resulting Numbers: [9, 22] Generated Node #0,4,1: 27:[9, 22] Operation: 32-10=22 Exploring Operation: 10+32=42, Resulting Numbers: [9, 42] Generated Node #0,4,2: 27:[9, 42] Operation: 10+32=42 Exploring Operation: 10+9=19, Resulting Numbers: [32, 19] Generated Node #0,4,3: 27:[32, 19] Operation: 10+9=19 Exploring Operation: 32-9=23, Resulting Numbers: [10, 23] Generated Node #0,4,4: 27:[10, 23] Operation: 32-9=23 Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 27:[9, 22], Operations: ['95-86=9', '32-10=22'] Exploring Operation: 9+22=31, Resulting Numbers: [31] 31,27 unequal: No Solution Exploring Operation: 22-9=13, Resulting Numbers: [13] 13,27 unequal: No Solution Exploring Operation: 9*22=198, Resulting Numbers: [198] 198,27 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 27:[10, 23], Operations: ['95-86=9', '32-9=23'] Exploring Operation: 10*23=230, Resulting Numbers: [230] 230,27 unequal: No Solution Exploring Operation: 23-10=13, Resulting Numbers: [13] 13,27 unequal: No Solution Exploring Operation: 10+23=33, Resulting Numbers: [33] 33,27 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 27:[32, 1], Operations: ['95-86=9', '10-9=1'] Exploring Operation: 32+1=33, Resulting Numbers: [33] 33,27 unequal: No Solution Exploring Operation: 32*1=32, Resulting Numbers: [32] 32,27 unequal: No Solution Exploring Operation: 32-1=31, Resulting Numbers: [31] 31,27 unequal: No Solution Exploring Operation: 32/1=32, Resulting Numbers: [32] 32,27 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 27:[32, 19], Operations: ['95-86=9', '10+9=19'] Exploring Operation: 32-19=13, Resulting Numbers: [13] 13,27 unequal: No Solution Exploring Operation: 32*19=608, Resulting Numbers: [608] 608,27 unequal: No Solution Exploring Operation: 32+19=51, Resulting Numbers: [51] 51,27 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 27:[9, 42], Operations: ['95-86=9', '10+32=42'] Exploring Operation: 9*42=378, Resulting Numbers: [378] 378,27 unequal: No Solution Exploring Operation: 42-9=33, Resulting Numbers: [33] 33,27 unequal: No Solution Exploring Operation: 9+42=51, Resulting Numbers: [51] 51,27 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3 Current State: 27:[10, 95, 54], Operations: ['86-32=54'] Exploring Operation: 95-10=85, Resulting Numbers: [54, 85] Generated Node #0,3,0: 27:[54, 85] Operation: 95-10=85 Exploring Operation: 95-54=41, Resulting Numbers: [10, 41] Generated Node #0,3,1: 27:[10, 41] Operation: 95-54=41 Exploring Operation: 10+95=105, Resulting Numbers: [54, 105] Generated Node #0,3,2: 27:[54, 105] Operation: 10+95=105 Exploring Operation: 10+54=64, Resulting Numbers: [95, 64] Generated Node #0,3,3: 27:[95, 64] Operation: 10+54=64 Exploring Operation: 54-10=44, Resulting Numbers: [95, 44] Generated Node #0,3,4: 27:[95, 44] Operation: 54-10=44 Moving to Node #0,1 Current State: 27:[86, 10, 63], Operations: ['95-32=63'] Exploring Operation: 63-10=53, Resulting Numbers: [86, 53] Generated Node #0,1,0: 27:[86, 53] Operation: 63-10=53 Exploring Operation: 86-63=23, Resulting Numbers: [10, 23] Generated Node #0,1,1: 27:[10, 23] Operation: 86-63=23 Exploring Operation: 86-10=76, Resulting Numbers: [63, 76] Generated Node #0,1,2: 27:[63, 76] Operation: 86-10=76 Exploring Operation: 10+63=73, Resulting Numbers: [86, 73] Generated Node #0,1,3: 27:[86, 73] Operation: 10+63=73 Exploring Operation: 86+10=96, Resulting Numbers: [63, 96] Generated Node #0,1,4: 27:[63, 96] Operation: 86+10=96 Moving to Node #0,0 Current State: 27:[86, 32, 85], Operations: ['95-10=85'] Exploring Operation: 86+32=118, Resulting Numbers: [85, 118] Generated Node #0,0,0: 27:[85, 118] Operation: 86+32=118 Exploring Operation: 86-32=54, Resulting Numbers: [85, 54] Generated Node #0,0,1: 27:[85, 54] Operation: 86-32=54 Exploring Operation: 86+85=171, Resulting Numbers: [32, 171] Generated Node #0,0,2: 27:[32, 171] Operation: 86+85=171 Exploring Operation: 85-32=53, Resulting Numbers: [86, 53] Generated Node #0,0,3: 27:[86, 53] Operation: 85-32=53 Exploring Operation: 86-85=1, Resulting Numbers: [32, 1] Generated Node #0,0,4: 27:[32, 1] Operation: 86-85=1 Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 27:[32, 1], Operations: ['95-10=85', '86-85=1'] Exploring Operation: 32+1=33, Resulting Numbers: [33] 33,27 unequal: No Solution Exploring Operation: 32*1=32, Resulting Numbers: [32] 32,27 unequal: No Solution Exploring Operation: 32-1=31, Resulting Numbers: [31] 31,27 unequal: No Solution Exploring Operation: 32/1=32, Resulting Numbers: [32] 32,27 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 27:[85, 54], Operations: ['95-10=85', '86-32=54'] Exploring Operation: 85*54=4590, Resulting Numbers: [4590] 4590,27 unequal: No Solution Exploring Operation: 85+54=139, Resulting Numbers: [139] 139,27 unequal: No Solution Exploring Operation: 85-54=31, Resulting Numbers: [31] 31,27 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 27:[86, 53], Operations: ['95-10=85', '85-32=53'] Exploring Operation: 86+53=139, Resulting Numbers: [139] 139,27 unequal: No Solution Exploring Operation: 86-53=33, Resulting Numbers: [33] 33,27 unequal: No Solution Exploring Operation: 86*53=4558, Resulting Numbers: [4558] 4558,27 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 27:[85, 118], Operations: ['95-10=85', '86+32=118'] Exploring Operation: 118-85=33, Resulting Numbers: [33] 33,27 unequal: No Solution Exploring Operation: 85+118=203, Resulting Numbers: [203] 203,27 unequal: No Solution Exploring Operation: 85*118=10030, Resulting Numbers: [10030] 10030,27 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 27:[32, 171], Operations: ['95-10=85', '86+85=171'] Exploring Operation: 32+171=203, Resulting Numbers: [203] 203,27 unequal: No Solution Exploring Operation: 171-32=139, Resulting Numbers: [139] 139,27 unequal: No Solution Exploring Operation: 32*171=5472, Resulting Numbers: [5472] 5472,27 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 27:[32, 95, 76], Operations: ['86-10=76'] Exploring Operation: 32+76=108, Resulting Numbers: [95, 108] Generated Node #0,2,0: 27:[95, 108] Operation: 32+76=108 Exploring Operation: 95-76=19, Resulting Numbers: [32, 19] Generated Node #0,2,1: 27:[32, 19] Operation: 95-76=19 Exploring Operation: 76-32=44, Resulting Numbers: [95, 44] Generated Node #0,2,2: 27:[95, 44] Operation: 76-32=44 Exploring Operation: 95-32=63, Resulting Numbers: [76, 63] Generated Node #0,2,3: 27:[76, 63] Operation: 95-32=63 Exploring Operation: 32+95=127, Resulting Numbers: [76, 127] Generated Node #0,2,4: 27:[76, 127] Operation: 32+95=127 Moving to Node #0,1,1 Current State: 27:[10, 23], Operations: ['95-32=63', '86-63=23'] Exploring Operation: 10+23=33, Resulting Numbers: [33] 33,27 unequal: No Solution Exploring Operation: 23-10=13, Resulting Numbers: [13] 13,27 unequal: No Solution Exploring Operation: 10*23=230, Resulting Numbers: [230] 230,27 unequal: No Solution Moving to Node #0,2,1 Current State: 27:[32, 19], Operations: ['86-10=76', '95-76=19'] Exploring Operation: 32-19=13, Resulting Numbers: [13] 13,27 unequal: No Solution Exploring Operation: 32*19=608, Resulting Numbers: [608] 608,27 unequal: No Solution Exploring Operation: 32+19=51, Resulting Numbers: [51] 51,27 unequal: No Solution Moving to Node #0,3,1 Current State: 27:[10, 41], Operations: ['86-32=54', '95-54=41'] Exploring Operation: 41-10=31, Resulting Numbers: [31] 31,27 unequal: No Solution Exploring Operation: 10+41=51, Resulting Numbers: [51] 51,27 unequal: No Solution Exploring Operation: 10*41=410, Resulting Numbers: [410] 410,27 unequal: No Solution Moving to Node #0,1,0 Current State: 27:[86, 53], Operations: ['95-32=63', '63-10=53'] Exploring Operation: 86+53=139, Resulting Numbers: [139] 139,27 unequal: No Solution Exploring Operation: 86-53=33, Resulting Numbers: [33] 33,27 unequal: No Solution Exploring Operation: 86*53=4558, Resulting Numbers: [4558] 4558,27 unequal: No Solution Moving to Node #0,3,4 Current State: 27:[95, 44], Operations: ['86-32=54', '54-10=44'] Exploring Operation: 95*44=4180, Resulting Numbers: [4180] 4180,27 unequal: No Solution Exploring Operation: 95-44=51, Resulting Numbers: [51] 51,27 unequal: No Solution Exploring Operation: 95+44=139, Resulting Numbers: [139] 139,27 unequal: No Solution Moving to Node #0,2,2 Current State: 27:[95, 44], Operations: ['86-10=76', '76-32=44'] Exploring Operation: 95+44=139, Resulting Numbers: [139] 139,27 unequal: No Solution Exploring Operation: 95*44=4180, Resulting Numbers: [4180] 4180,27 unequal: No Solution Exploring Operation: 95-44=51, Resulting Numbers: [51] 51,27 unequal: No Solution Moving to Node #0,2,3 Current State: 27:[76, 63], Operations: ['86-10=76', '95-32=63'] Exploring Operation: 76+63=139, Resulting Numbers: [139] 139,27 unequal: No Solution Exploring Operation: 76*63=4788, Resulting Numbers: [4788] 4788,27 unequal: No Solution Exploring Operation: 76-63=13, Resulting Numbers: [13] 13,27 unequal: No Solution Moving to Node #0,3,0 Current State: 27:[54, 85], Operations: ['86-32=54', '95-10=85'] Exploring Operation: 85-54=31, Resulting Numbers: [31] 31,27 unequal: No Solution Exploring Operation: 54*85=4590, Resulting Numbers: [4590] 4590,27 unequal: No Solution Exploring Operation: 54+85=139, Resulting Numbers: [139] 139,27 unequal: No Solution Moving to Node #0,1,2 Current State: 27:[63, 76], Operations: ['95-32=63', '86-10=76'] Exploring Operation: 63*76=4788, Resulting Numbers: [4788] 4788,27 unequal: No Solution Exploring Operation: 63+76=139, Resulting Numbers: [139] 139,27 unequal: No Solution Exploring Operation: 76-63=13, Resulting Numbers: [13] 13,27 unequal: No Solution Moving to Node #0,1,4 Current State: 27:[63, 96], Operations: ['95-32=63', '86+10=96'] Exploring Operation: 63+96=159, Resulting Numbers: [159] 159,27 unequal: No Solution Exploring Operation: 63*96=6048, Resulting Numbers: [6048] 6048,27 unequal: No Solution Exploring Operation: 96-63=33, Resulting Numbers: [33] 33,27 unequal: No Solution Moving to Node #0,3,3 Current State: 27:[95, 64], Operations: ['86-32=54', '10+54=64'] Exploring Operation: 95*64=6080, Resulting Numbers: [6080] 6080,27 unequal: No Solution Exploring Operation: 95-64=31, Resulting Numbers: [31] 31,27 unequal: No Solution Exploring Operation: 95+64=159, Resulting Numbers: [159] 159,27 unequal: No Solution Moving to Node #0,1,3 Current State: 27:[86, 73], Operations: ['95-32=63', '10+63=73'] Exploring Operation: 86+73=159, Resulting Numbers: [159] 159,27 unequal: No Solution Exploring Operation: 86-73=13, Resulting Numbers: [13] 13,27 unequal: No Solution Exploring Operation: 86*73=6278, Resulting Numbers: [6278] 6278,27 unequal: No Solution Moving to Node #0,3,2 Current State: 27:[54, 105], Operations: ['86-32=54', '10+95=105'] Exploring Operation: 54*105=5670, Resulting Numbers: [5670] 5670,27 unequal: No Solution Exploring Operation: 54+105=159, Resulting Numbers: [159] 159,27 unequal: No Solution Exploring Operation: 105-54=51, Resulting Numbers: [51] 51,27 unequal: No Solution Moving to Node #0,2,0 Current State: 27:[95, 108], Operations: ['86-10=76', '32+76=108'] Exploring Operation: 108-95=13, Resulting Numbers: [13] 13,27 unequal: No Solution Exploring Operation: 95*108=10260, Resulting Numbers: [10260] 10260,27 unequal: No Solution Exploring Operation: 95+108=203, Resulting Numbers: [203] 203,27 unequal: No Solution Moving to Node #0,2,4 Current State: 27:[76, 127], Operations: ['86-10=76', '32+95=127'] Exploring Operation: 76*127=9652, Resulting Numbers: [9652] 9652,27 unequal: No Solution Exploring Operation: 127-76=51, Resulting Numbers: [51] 51,27 unequal: No Solution Exploring Operation: 76+127=203, Resulting Numbers: [203] 203,27 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 30, 8, 27, 9 ]
99
[ "30+8=38", "38-27=11", "9*11=99" ]
Current State: 99:[30, 8, 27, 9], Operations: [] Exploring Operation: 30+8=38, Resulting Numbers: [27, 9, 38] Generated Node #2: [27, 9, 38] from Operation: 30+8=38 Current State: 99:[27, 9, 38], Operations: ['30+8=38'] Exploring Operation: 38-27=11, Resulting Numbers: [9, 11] Generated Node #3: [9, 11] from Operation: 38-27=11 Current State: 99:[9, 11], Operations: ['30+8=38', '38-27=11'] Exploring Operation: 9*11=99, Resulting Numbers: [99] 99,99 equal: Goal Reached
4
Current State: 99:[30, 8, 27, 9], Operations: [] Exploring Operation: 27/9=3, Resulting Numbers: [30, 8, 3] Generated Node #0,0: 99:[30, 8, 3] Operation: 27/9=3 Exploring Operation: 30+8=38, Resulting Numbers: [27, 9, 38] Generated Node #0,1: 99:[27, 9, 38] Operation: 30+8=38 Exploring Operation: 30-27=3, Resulting Numbers: [8, 9, 3] Generated Node #0,2: 99:[8, 9, 3] Operation: 30-27=3 Exploring Operation: 27+9=36, Resulting Numbers: [30, 8, 36] Generated Node #0,3: 99:[30, 8, 36] Operation: 27+9=36 Exploring Operation: 8+27=35, Resulting Numbers: [30, 9, 35] Generated Node #0,4: 99:[30, 9, 35] Operation: 8+27=35 Moving to Node #0,2 Current State: 99:[8, 9, 3], Operations: ['30-27=3'] Exploring Operation: 9/3=3, Resulting Numbers: [8, 3] Generated Node #0,2,0: 99:[8, 3] Operation: 9/3=3 Exploring Operation: 9-8=1, Resulting Numbers: [3, 1] Generated Node #0,2,1: 99:[3, 1] Operation: 9-8=1 Exploring Operation: 9+3=12, Resulting Numbers: [8, 12] Generated Node #0,2,2: 99:[8, 12] Operation: 9+3=12 Exploring Operation: 8-3=5, Resulting Numbers: [9, 5] Generated Node #0,2,3: 99:[9, 5] Operation: 8-3=5 Exploring Operation: 8+3=11, Resulting Numbers: [9, 11] Generated Node #0,2,4: 99:[9, 11] Operation: 8+3=11 Moving to Node #0,0 Current State: 99:[30, 8, 3], Operations: ['27/9=3'] Exploring Operation: 8-3=5, Resulting Numbers: [30, 5] Generated Node #0,0,0: 99:[30, 5] Operation: 8-3=5 Exploring Operation: 30+8=38, Resulting Numbers: [3, 38] Generated Node #0,0,1: 99:[3, 38] Operation: 30+8=38 Exploring Operation: 8+3=11, Resulting Numbers: [30, 11] Generated Node #0,0,2: 99:[30, 11] Operation: 8+3=11 Exploring Operation: 30/3=10, Resulting Numbers: [8, 10] Generated Node #0,0,3: 99:[8, 10] Operation: 30/3=10 Exploring Operation: 30+3=33, Resulting Numbers: [8, 33] Generated Node #0,0,4: 99:[8, 33] Operation: 30+3=33 Moving to Node #0,4 Current State: 99:[30, 9, 35], Operations: ['8+27=35'] Exploring Operation: 35-30=5, Resulting Numbers: [9, 5] Generated Node #0,4,0: 99:[9, 5] Operation: 35-30=5 Exploring Operation: 9+35=44, Resulting Numbers: [30, 44] Generated Node #0,4,1: 99:[30, 44] Operation: 9+35=44 Exploring Operation: 30-9=21, Resulting Numbers: [35, 21] Generated Node #0,4,2: 99:[35, 21] Operation: 30-9=21 Exploring Operation: 30+9=39, Resulting Numbers: [35, 39] Generated Node #0,4,3: 99:[35, 39] Operation: 30+9=39 Exploring Operation: 35-9=26, Resulting Numbers: [30, 26] Generated Node #0,4,4: 99:[30, 26] Operation: 35-9=26 Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 99:[9, 5], Operations: ['8+27=35', '35-30=5'] Exploring Operation: 9+5=14, Resulting Numbers: [14] 14,99 unequal: No Solution Exploring Operation: 9*5=45, Resulting Numbers: [45] 45,99 unequal: No Solution Exploring Operation: 9-5=4, Resulting Numbers: [4] 4,99 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 99:[35, 39], Operations: ['8+27=35', '30+9=39'] Exploring Operation: 35+39=74, Resulting Numbers: [74] 74,99 unequal: No Solution Exploring Operation: 39-35=4, Resulting Numbers: [4] 4,99 unequal: No Solution Exploring Operation: 35*39=1365, Resulting Numbers: [1365] 1365,99 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 99:[30, 26], Operations: ['8+27=35', '35-9=26'] Exploring Operation: 30*26=780, Resulting Numbers: [780] 780,99 unequal: No Solution Exploring Operation: 30+26=56, Resulting Numbers: [56] 56,99 unequal: No Solution Exploring Operation: 30-26=4, Resulting Numbers: [4] 4,99 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 99:[35, 21], Operations: ['8+27=35', '30-9=21'] Exploring Operation: 35-21=14, Resulting Numbers: [14] 14,99 unequal: No Solution Exploring Operation: 35*21=735, Resulting Numbers: [735] 735,99 unequal: No Solution Exploring Operation: 35+21=56, Resulting Numbers: [56] 56,99 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 99:[30, 44], Operations: ['8+27=35', '9+35=44'] Exploring Operation: 30+44=74, Resulting Numbers: [74] 74,99 unequal: No Solution Exploring Operation: 44-30=14, Resulting Numbers: [14] 14,99 unequal: No Solution Exploring Operation: 30*44=1320, Resulting Numbers: [1320] 1320,99 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: 99:[30, 8, 36], Operations: ['27+9=36'] Exploring Operation: 36-8=28, Resulting Numbers: [30, 28] Generated Node #0,3,0: 99:[30, 28] Operation: 36-8=28 Exploring Operation: 30-8=22, Resulting Numbers: [36, 22] Generated Node #0,3,1: 99:[36, 22] Operation: 30-8=22 Exploring Operation: 30+8=38, Resulting Numbers: [36, 38] Generated Node #0,3,2: 99:[36, 38] Operation: 30+8=38 Exploring Operation: 36-30=6, Resulting Numbers: [8, 6] Generated Node #0,3,3: 99:[8, 6] Operation: 36-30=6 Exploring Operation: 8+36=44, Resulting Numbers: [30, 44] Generated Node #0,3,4: 99:[30, 44] Operation: 8+36=44 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 99:[8, 6], Operations: ['27+9=36', '36-30=6'] Exploring Operation: 8*6=48, Resulting Numbers: [48] 48,99 unequal: No Solution Exploring Operation: 8-6=2, Resulting Numbers: [2] 2,99 unequal: No Solution Exploring Operation: 8+6=14, Resulting Numbers: [14] 14,99 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 99:[30, 28], Operations: ['27+9=36', '36-8=28'] Exploring Operation: 30-28=2, Resulting Numbers: [2] 2,99 unequal: No Solution Exploring Operation: 30*28=840, Resulting Numbers: [840] 840,99 unequal: No Solution Exploring Operation: 30+28=58, Resulting Numbers: [58] 58,99 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 99:[36, 38], Operations: ['27+9=36', '30+8=38'] Exploring Operation: 38-36=2, Resulting Numbers: [2] 2,99 unequal: No Solution Exploring Operation: 36*38=1368, Resulting Numbers: [1368] 1368,99 unequal: No Solution Exploring Operation: 36+38=74, Resulting Numbers: [74] 74,99 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 99:[36, 22], Operations: ['27+9=36', '30-8=22'] Exploring Operation: 36-22=14, Resulting Numbers: [14] 14,99 unequal: No Solution Exploring Operation: 36*22=792, Resulting Numbers: [792] 792,99 unequal: No Solution Exploring Operation: 36+22=58, Resulting Numbers: [58] 58,99 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 99:[30, 44], Operations: ['27+9=36', '8+36=44'] Exploring Operation: 30*44=1320, Resulting Numbers: [1320] 1320,99 unequal: No Solution Exploring Operation: 30+44=74, Resulting Numbers: [74] 74,99 unequal: No Solution Exploring Operation: 44-30=14, Resulting Numbers: [14] 14,99 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: 99:[27, 9, 38], Operations: ['30+8=38'] Exploring Operation: 38-9=29, Resulting Numbers: [27, 29] Generated Node #0,1,0: 99:[27, 29] Operation: 38-9=29 Exploring Operation: 38-27=11, Resulting Numbers: [9, 11] Generated Node #0,1,1: 99:[9, 11] Operation: 38-27=11 Exploring Operation: 27+9=36, Resulting Numbers: [38, 36] Generated Node #0,1,2: 99:[38, 36] Operation: 27+9=36 Exploring Operation: 27/9=3, Resulting Numbers: [38, 3] Generated Node #0,1,3: 99:[38, 3] Operation: 27/9=3 Exploring Operation: 27-9=18, Resulting Numbers: [38, 18] Generated Node #0,1,4: 99:[38, 18] Operation: 27-9=18 Moving to Node #0,2,4 Current State: 99:[9, 11], Operations: ['30-27=3', '8+3=11'] Exploring Operation: 11-9=2, Resulting Numbers: [2] 2,99 unequal: No Solution Exploring Operation: 9+11=20, Resulting Numbers: [20] 20,99 unequal: No Solution Exploring Operation: 9*11=99, Resulting Numbers: [99] 99,99 equal: Goal Reached Moving to Node #0 Current State: 99:[30, 8, 27, 9], Operations: [] Exploring Operation: 30-27=3, Resulting Numbers: [8, 9, 3] Generated Node #0,2: 99:[8, 9, 3] Operation: 30-27=3 Moving to Node #0,2 Current State: 99:[8, 9, 3], Operations: ['30-27=3'] Exploring Operation: 8+3=11, Resulting Numbers: [9, 11] Generated Node #0,2,4: 99:[9, 11] Operation: 8+3=11 Moving to Node #0,2,4 Current State: 99:[9, 11], Operations: ['30-27=3', '8+3=11'] Exploring Operation: 9*11=99, Resulting Numbers: [99] 99,99 equal: Goal Reached
0.94184
hs_5
sum_heuristic
[ 75, 87, 65, 2 ]
99
[ "75+87=162", "65-2=63", "162-63=99" ]
Current State: 99:[75, 87, 65, 2], Operations: [] Exploring Operation: 75+87=162, Resulting Numbers: [65, 2, 162] Generated Node #2: [65, 2, 162] from Operation: 75+87=162 Current State: 99:[65, 2, 162], Operations: ['75+87=162'] Exploring Operation: 65-2=63, Resulting Numbers: [162, 63] Generated Node #3: [162, 63] from Operation: 65-2=63 Current State: 99:[162, 63], Operations: ['75+87=162', '65-2=63'] Exploring Operation: 162-63=99, Resulting Numbers: [99] 99,99 equal: Goal Reached
4
Current State: 99:[75, 87, 65, 2], Operations: [] Exploring Operation: 75-65=10, Resulting Numbers: [87, 2, 10] Generated Node #0,0: 99:[87, 2, 10] Operation: 75-65=10 Exploring Operation: 87-65=22, Resulting Numbers: [75, 2, 22] Generated Node #0,1: 99:[75, 2, 22] Operation: 87-65=22 Exploring Operation: 75+65=140, Resulting Numbers: [87, 2, 140] Generated Node #0,2: 99:[87, 2, 140] Operation: 75+65=140 Exploring Operation: 87-75=12, Resulting Numbers: [65, 2, 12] Generated Node #0,3: 99:[65, 2, 12] Operation: 87-75=12 Moving to Node #0,0 Current State: 99:[87, 2, 10], Operations: ['75-65=10'] Exploring Operation: 87+10=97, Resulting Numbers: [2, 97] Generated Node #0,0,0: 99:[2, 97] Operation: 87+10=97 Exploring Operation: 87+2=89, Resulting Numbers: [10, 89] Generated Node #0,0,1: 99:[10, 89] Operation: 87+2=89 Exploring Operation: 10-2=8, Resulting Numbers: [87, 8] Generated Node #0,0,2: 99:[87, 8] Operation: 10-2=8 Exploring Operation: 2+10=12, Resulting Numbers: [87, 12] Generated Node #0,0,3: 99:[87, 12] Operation: 2+10=12 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 99:[2, 97], Operations: ['75-65=10', '87+10=97'] Exploring Operation: 97-2=95, Resulting Numbers: [95] 95,99 unequal: No Solution Exploring Operation: 2+97=99, Resulting Numbers: [99] 99,99 equal: Goal Reached Moving to Node #0 Current State: 99:[75, 87, 65, 2], Operations: [] Exploring Operation: 75-65=10, Resulting Numbers: [87, 2, 10] Generated Node #0,0: 99:[87, 2, 10] Operation: 75-65=10 Moving to Node #0,0 Current State: 99:[87, 2, 10], Operations: ['75-65=10'] Exploring Operation: 87+10=97, Resulting Numbers: [2, 97] Generated Node #0,0,0: 99:[2, 97] Operation: 87+10=97 Moving to Node #0,0,0 Current State: 99:[2, 97], Operations: ['75-65=10', '87+10=97'] Exploring Operation: 2+97=99, Resulting Numbers: [99] 99,99 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_4
sum_heuristic
[ 17, 33, 37, 34 ]
47
[ "17+33=50", "37-34=3", "50-3=47" ]
Current State: 47:[17, 33, 37, 34], Operations: [] Exploring Operation: 17+33=50, Resulting Numbers: [37, 34, 50] Generated Node #2: [37, 34, 50] from Operation: 17+33=50 Current State: 47:[37, 34, 50], Operations: ['17+33=50'] Exploring Operation: 37-34=3, Resulting Numbers: [50, 3] Generated Node #3: [50, 3] from Operation: 37-34=3 Current State: 47:[50, 3], Operations: ['17+33=50', '37-34=3'] Exploring Operation: 50-3=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[17, 33, 37, 34], Operations: [] Exploring Operation: 17+37=54, Resulting Numbers: [33, 34, 54] Generated Node #0,0: 47:[33, 34, 54] Operation: 17+37=54 Exploring Operation: 17+33=50, Resulting Numbers: [37, 34, 50] Generated Node #0,1: 47:[37, 34, 50] Operation: 17+33=50 Exploring Operation: 33-17=16, Resulting Numbers: [37, 34, 16] Generated Node #0,2: 47:[37, 34, 16] Operation: 33-17=16 Exploring Operation: 17+34=51, Resulting Numbers: [33, 37, 51] Generated Node #0,3: 47:[33, 37, 51] Operation: 17+34=51 Exploring Operation: 37-17=20, Resulting Numbers: [33, 34, 20] Generated Node #0,4: 47:[33, 34, 20] Operation: 37-17=20 Moving to Node #0,1 Current State: 47:[37, 34, 50], Operations: ['17+33=50'] Exploring Operation: 37+34=71, Resulting Numbers: [50, 71] Generated Node #0,1,0: 47:[50, 71] Operation: 37+34=71 Exploring Operation: 37-34=3, Resulting Numbers: [50, 3] Generated Node #0,1,1: 47:[50, 3] Operation: 37-34=3 Exploring Operation: 50-34=16, Resulting Numbers: [37, 16] Generated Node #0,1,2: 47:[37, 16] Operation: 50-34=16 Exploring Operation: 34+50=84, Resulting Numbers: [37, 84] Generated Node #0,1,3: 47:[37, 84] Operation: 34+50=84 Exploring Operation: 50-37=13, Resulting Numbers: [34, 13] Generated Node #0,1,4: 47:[34, 13] Operation: 50-37=13 Moving to Node #0,3 Current State: 47:[33, 37, 51], Operations: ['17+34=51'] Exploring Operation: 51-33=18, Resulting Numbers: [37, 18] Generated Node #0,3,0: 47:[37, 18] Operation: 51-33=18 Exploring Operation: 33+51=84, Resulting Numbers: [37, 84] Generated Node #0,3,1: 47:[37, 84] Operation: 33+51=84 Exploring Operation: 51-37=14, Resulting Numbers: [33, 14] Generated Node #0,3,2: 47:[33, 14] Operation: 51-37=14 Exploring Operation: 33+37=70, Resulting Numbers: [51, 70] Generated Node #0,3,3: 47:[51, 70] Operation: 33+37=70 Exploring Operation: 37-33=4, Resulting Numbers: [51, 4] Generated Node #0,3,4: 47:[51, 4] Operation: 37-33=4 Moving to Node #0,0 Current State: 47:[33, 34, 54], Operations: ['17+37=54'] Exploring Operation: 34-33=1, Resulting Numbers: [54, 1] Generated Node #0,0,0: 47:[54, 1] Operation: 34-33=1 Exploring Operation: 33+54=87, Resulting Numbers: [34, 87] Generated Node #0,0,1: 47:[34, 87] Operation: 33+54=87 Exploring Operation: 33+34=67, Resulting Numbers: [54, 67] Generated Node #0,0,2: 47:[54, 67] Operation: 33+34=67 Exploring Operation: 54-34=20, Resulting Numbers: [33, 20] Generated Node #0,0,3: 47:[33, 20] Operation: 54-34=20 Exploring Operation: 54-33=21, Resulting Numbers: [34, 21] Generated Node #0,0,4: 47:[34, 21] Operation: 54-33=21 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 47:[54, 67], Operations: ['17+37=54', '33+34=67'] Exploring Operation: 54+67=121, Resulting Numbers: [121] 121,47 unequal: No Solution Exploring Operation: 54*67=3618, Resulting Numbers: [3618] 3618,47 unequal: No Solution Exploring Operation: 67-54=13, Resulting Numbers: [13] 13,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 47:[34, 21], Operations: ['17+37=54', '54-33=21'] Exploring Operation: 34-21=13, Resulting Numbers: [13] 13,47 unequal: No Solution Exploring Operation: 34*21=714, Resulting Numbers: [714] 714,47 unequal: No Solution Exploring Operation: 34+21=55, Resulting Numbers: [55] 55,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 47:[33, 20], Operations: ['17+37=54', '54-34=20'] Exploring Operation: 33*20=660, Resulting Numbers: [660] 660,47 unequal: No Solution Exploring Operation: 33+20=53, Resulting Numbers: [53] 53,47 unequal: No Solution Exploring Operation: 33-20=13, Resulting Numbers: [13] 13,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 47:[54, 1], Operations: ['17+37=54', '34-33=1'] Exploring Operation: 54*1=54, Resulting Numbers: [54] 54,47 unequal: No Solution Exploring Operation: 54-1=53, Resulting Numbers: [53] 53,47 unequal: No Solution Exploring Operation: 54/1=54, Resulting Numbers: [54] 54,47 unequal: No Solution Exploring Operation: 54+1=55, Resulting Numbers: [55] 55,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 47:[34, 87], Operations: ['17+37=54', '33+54=87'] Exploring Operation: 34*87=2958, Resulting Numbers: [2958] 2958,47 unequal: No Solution Exploring Operation: 87-34=53, Resulting Numbers: [53] 53,47 unequal: No Solution Exploring Operation: 34+87=121, Resulting Numbers: [121] 121,47 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: 47:[37, 34, 16], Operations: ['33-17=16'] Exploring Operation: 37-16=21, Resulting Numbers: [34, 21] Generated Node #0,2,0: 47:[34, 21] Operation: 37-16=21 Exploring Operation: 34-16=18, Resulting Numbers: [37, 18] Generated Node #0,2,1: 47:[37, 18] Operation: 34-16=18 Exploring Operation: 34+16=50, Resulting Numbers: [37, 50] Generated Node #0,2,2: 47:[37, 50] Operation: 34+16=50 Exploring Operation: 37+16=53, Resulting Numbers: [34, 53] Generated Node #0,2,3: 47:[34, 53] Operation: 37+16=53 Exploring Operation: 37+34=71, Resulting Numbers: [16, 71] Generated Node #0,2,4: 47:[16, 71] Operation: 37+34=71 Moving to Node #0,4 Current State: 47:[33, 34, 20], Operations: ['37-17=20'] Exploring Operation: 34-20=14, Resulting Numbers: [33, 14] Generated Node #0,4,0: 47:[33, 14] Operation: 34-20=14 Exploring Operation: 33+20=53, Resulting Numbers: [34, 53] Generated Node #0,4,1: 47:[34, 53] Operation: 33+20=53 Exploring Operation: 33+34=67, Resulting Numbers: [20, 67] Generated Node #0,4,2: 47:[20, 67] Operation: 33+34=67 Exploring Operation: 33-20=13, Resulting Numbers: [34, 13] Generated Node #0,4,3: 47:[34, 13] Operation: 33-20=13 Exploring Operation: 34+20=54, Resulting Numbers: [33, 54] Generated Node #0,4,4: 47:[33, 54] Operation: 34+20=54 Moving to Node #0,2,2 Current State: 47:[37, 50], Operations: ['33-17=16', '34+16=50'] Exploring Operation: 37+50=87, Resulting Numbers: [87] 87,47 unequal: No Solution Exploring Operation: 37*50=1850, Resulting Numbers: [1850] 1850,47 unequal: No Solution Exploring Operation: 50-37=13, Resulting Numbers: [13] 13,47 unequal: No Solution Moving to Node #0,2,3 Current State: 47:[34, 53], Operations: ['33-17=16', '37+16=53'] Exploring Operation: 53-34=19, Resulting Numbers: [19] 19,47 unequal: No Solution Exploring Operation: 34*53=1802, Resulting Numbers: [1802] 1802,47 unequal: No Solution Exploring Operation: 34+53=87, Resulting Numbers: [87] 87,47 unequal: No Solution Moving to Node #0,4,1 Current State: 47:[34, 53], Operations: ['37-17=20', '33+20=53'] Exploring Operation: 34+53=87, Resulting Numbers: [87] 87,47 unequal: No Solution Exploring Operation: 53-34=19, Resulting Numbers: [19] 19,47 unequal: No Solution Exploring Operation: 34*53=1802, Resulting Numbers: [1802] 1802,47 unequal: No Solution Moving to Node #0,4,4 Current State: 47:[33, 54], Operations: ['37-17=20', '34+20=54'] Exploring Operation: 54-33=21, Resulting Numbers: [21] 21,47 unequal: No Solution Exploring Operation: 33+54=87, Resulting Numbers: [87] 87,47 unequal: No Solution Exploring Operation: 33*54=1782, Resulting Numbers: [1782] 1782,47 unequal: No Solution Moving to Node #0,3,3 Current State: 47:[51, 70], Operations: ['17+34=51', '33+37=70'] Exploring Operation: 51*70=3570, Resulting Numbers: [3570] 3570,47 unequal: No Solution Exploring Operation: 70-51=19, Resulting Numbers: [19] 19,47 unequal: No Solution Exploring Operation: 51+70=121, Resulting Numbers: [121] 121,47 unequal: No Solution Moving to Node #0,1,0 Current State: 47:[50, 71], Operations: ['17+33=50', '37+34=71'] Exploring Operation: 50*71=3550, Resulting Numbers: [3550] 3550,47 unequal: No Solution Exploring Operation: 71-50=21, Resulting Numbers: [21] 21,47 unequal: No Solution Exploring Operation: 50+71=121, Resulting Numbers: [121] 121,47 unequal: No Solution Moving to Node #0,3,0 Current State: 47:[37, 18], Operations: ['17+34=51', '51-33=18'] Exploring Operation: 37*18=666, Resulting Numbers: [666] 666,47 unequal: No Solution Exploring Operation: 37+18=55, Resulting Numbers: [55] 55,47 unequal: No Solution Exploring Operation: 37-18=19, Resulting Numbers: [19] 19,47 unequal: No Solution Moving to Node #0,2,1 Current State: 47:[37, 18], Operations: ['33-17=16', '34-16=18'] Exploring Operation: 37+18=55, Resulting Numbers: [55] 55,47 unequal: No Solution Exploring Operation: 37-18=19, Resulting Numbers: [19] 19,47 unequal: No Solution Exploring Operation: 37*18=666, Resulting Numbers: [666] 666,47 unequal: No Solution Moving to Node #0,2,0 Current State: 47:[34, 21], Operations: ['33-17=16', '37-16=21'] Exploring Operation: 34*21=714, Resulting Numbers: [714] 714,47 unequal: No Solution Exploring Operation: 34-21=13, Resulting Numbers: [13] 13,47 unequal: No Solution Exploring Operation: 34+21=55, Resulting Numbers: [55] 55,47 unequal: No Solution Moving to Node #0,1,2 Current State: 47:[37, 16], Operations: ['17+33=50', '50-34=16'] Exploring Operation: 37*16=592, Resulting Numbers: [592] 592,47 unequal: No Solution Exploring Operation: 37-16=21, Resulting Numbers: [21] 21,47 unequal: No Solution Exploring Operation: 37+16=53, Resulting Numbers: [53] 53,47 unequal: No Solution Moving to Node #0,4,2 Current State: 47:[20, 67], Operations: ['37-17=20', '33+34=67'] Exploring Operation: 67-20=47, Resulting Numbers: [47] 47,47 equal: Goal Reached Moving to Node #0 Current State: 47:[17, 33, 37, 34], Operations: [] Exploring Operation: 37-17=20, Resulting Numbers: [33, 34, 20] Generated Node #0,4: 47:[33, 34, 20] Operation: 37-17=20 Moving to Node #0,4 Current State: 47:[33, 34, 20], Operations: ['37-17=20'] Exploring Operation: 33+34=67, Resulting Numbers: [20, 67] Generated Node #0,4,2: 47:[20, 67] Operation: 33+34=67 Moving to Node #0,4,2 Current State: 47:[20, 67], Operations: ['37-17=20', '33+34=67'] Exploring Operation: 67-20=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
0.929688
hs_5
mult_heuristic
[ 99, 36, 13, 67 ]
17
[ "99-36=63", "13+67=80", "80-63=17" ]
Current State: 17:[99, 36, 13, 67], Operations: [] Exploring Operation: 99-36=63, Resulting Numbers: [13, 67, 63] Generated Node #2: [13, 67, 63] from Operation: 99-36=63 Current State: 17:[13, 67, 63], Operations: ['99-36=63'] Exploring Operation: 13+67=80, Resulting Numbers: [63, 80] Generated Node #3: [63, 80] from Operation: 13+67=80 Current State: 17:[63, 80], Operations: ['99-36=63', '13+67=80'] Exploring Operation: 80-63=17, Resulting Numbers: [17] 17,17 equal: Goal Reached
4
Current State: 17:[99, 36, 13, 67], Operations: [] Exploring Operation: 99-67=32, Resulting Numbers: [36, 13, 32] Generated Node #0,0: 17:[36, 13, 32] Operation: 99-67=32 Exploring Operation: 99-36=63, Resulting Numbers: [13, 67, 63] Generated Node #0,1: 17:[13, 67, 63] Operation: 99-36=63 Exploring Operation: 36-13=23, Resulting Numbers: [99, 67, 23] Generated Node #0,2: 17:[99, 67, 23] Operation: 36-13=23 Exploring Operation: 99-13=86, Resulting Numbers: [36, 67, 86] Generated Node #0,3: 17:[36, 67, 86] Operation: 99-13=86 Exploring Operation: 67-36=31, Resulting Numbers: [99, 13, 31] Generated Node #0,4: 17:[99, 13, 31] Operation: 67-36=31 Moving to Node #0,0 Current State: 17:[36, 13, 32], Operations: ['99-67=32'] Exploring Operation: 36+13=49, Resulting Numbers: [32, 49] Generated Node #0,0,0: 17:[32, 49] Operation: 36+13=49 Exploring Operation: 36-32=4, Resulting Numbers: [13, 4] Generated Node #0,0,1: 17:[13, 4] Operation: 36-32=4 Exploring Operation: 36-13=23, Resulting Numbers: [32, 23] Generated Node #0,0,2: 17:[32, 23] Operation: 36-13=23 Exploring Operation: 32-13=19, Resulting Numbers: [36, 19] Generated Node #0,0,3: 17:[36, 19] Operation: 32-13=19 Exploring Operation: 13+32=45, Resulting Numbers: [36, 45] Generated Node #0,0,4: 17:[36, 45] Operation: 13+32=45 Moving to Node #0,4 Current State: 17:[99, 13, 31], Operations: ['67-36=31'] Exploring Operation: 99-31=68, Resulting Numbers: [13, 68] Generated Node #0,4,0: 17:[13, 68] Operation: 99-31=68 Exploring Operation: 31-13=18, Resulting Numbers: [99, 18] Generated Node #0,4,1: 17:[99, 18] Operation: 31-13=18 Exploring Operation: 99-13=86, Resulting Numbers: [31, 86] Generated Node #0,4,2: 17:[31, 86] Operation: 99-13=86 Exploring Operation: 13+31=44, Resulting Numbers: [99, 44] Generated Node #0,4,3: 17:[99, 44] Operation: 13+31=44 Exploring Operation: 99+13=112, Resulting Numbers: [31, 112] Generated Node #0,4,4: 17:[31, 112] Operation: 99+13=112 Moving to Node #0,1 Current State: 17:[13, 67, 63], Operations: ['99-36=63'] Exploring Operation: 13+63=76, Resulting Numbers: [67, 76] Generated Node #0,1,0: 17:[67, 76] Operation: 13+63=76 Exploring Operation: 13+67=80, Resulting Numbers: [63, 80] Generated Node #0,1,1: 17:[63, 80] Operation: 13+67=80 Exploring Operation: 67-63=4, Resulting Numbers: [13, 4] Generated Node #0,1,2: 17:[13, 4] Operation: 67-63=4 Exploring Operation: 67-13=54, Resulting Numbers: [63, 54] Generated Node #0,1,3: 17:[63, 54] Operation: 67-13=54 Exploring Operation: 63-13=50, Resulting Numbers: [67, 50] Generated Node #0,1,4: 17:[67, 50] Operation: 63-13=50 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 17:[13, 4], Operations: ['99-36=63', '67-63=4'] Exploring Operation: 13*4=52, Resulting Numbers: [52] 52,17 unequal: No Solution Exploring Operation: 13+4=17, Resulting Numbers: [17] 17,17 equal: Goal Reached Moving to Node #0 Current State: 17:[99, 36, 13, 67], Operations: [] Exploring Operation: 99-36=63, Resulting Numbers: [13, 67, 63] Generated Node #0,1: 17:[13, 67, 63] Operation: 99-36=63 Moving to Node #0,1 Current State: 17:[13, 67, 63], Operations: ['99-36=63'] Exploring Operation: 67-63=4, Resulting Numbers: [13, 4] Generated Node #0,1,2: 17:[13, 4] Operation: 67-63=4 Moving to Node #0,1,2 Current State: 17:[13, 4], Operations: ['99-36=63', '67-63=4'] Exploring Operation: 13+4=17, Resulting Numbers: [17] 17,17 equal: Goal Reached Exit Sub Search at level 1
0.977431
hs_5
sum_heuristic
[ 32, 11, 25, 17 ]
85
[ "32+11=43", "25+17=42", "43+42=85" ]
Current State: 85:[32, 11, 25, 17], Operations: [] Exploring Operation: 32+11=43, Resulting Numbers: [25, 17, 43] Generated Node #2: [25, 17, 43] from Operation: 32+11=43 Current State: 85:[25, 17, 43], Operations: ['32+11=43'] Exploring Operation: 25+17=42, Resulting Numbers: [43, 42] Generated Node #3: [43, 42] from Operation: 25+17=42 Current State: 85:[43, 42], Operations: ['32+11=43', '25+17=42'] Exploring Operation: 43+42=85, Resulting Numbers: [85] 85,85 equal: Goal Reached
4
Current State: 85:[32, 11, 25, 17], Operations: [] Exploring Operation: 32-25=7, Resulting Numbers: [11, 17, 7] Generated Node #0,0: 85:[11, 17, 7] Operation: 32-25=7 Exploring Operation: 32-11=21, Resulting Numbers: [25, 17, 21] Generated Node #0,1: 85:[25, 17, 21] Operation: 32-11=21 Moving to Node #0,0 Current State: 85:[11, 17, 7], Operations: ['32-25=7'] Exploring Operation: 11-7=4, Resulting Numbers: [17, 4] Generated Node #0,0,0: 85:[17, 4] Operation: 11-7=4 Exploring Operation: 11+7=18, Resulting Numbers: [17, 18] Generated Node #0,0,1: 85:[17, 18] Operation: 11+7=18 Moving to Node #0,1 Current State: 85:[25, 17, 21], Operations: ['32-11=21'] Exploring Operation: 25-17=8, Resulting Numbers: [21, 8] Generated Node #0,1,0: 85:[21, 8] Operation: 25-17=8 Exploring Operation: 25-21=4, Resulting Numbers: [17, 4] Generated Node #0,1,1: 85:[17, 4] Operation: 25-21=4 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 85:[17, 4], Operations: ['32-11=21', '25-21=4'] Exploring Operation: 17+4=21, Resulting Numbers: [21] 21,85 unequal: No Solution Exploring Operation: 17-4=13, Resulting Numbers: [13] 13,85 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 85:[21, 8], Operations: ['32-11=21', '25-17=8'] Exploring Operation: 21-8=13, Resulting Numbers: [13] 13,85 unequal: No Solution Exploring Operation: 21+8=29, Resulting Numbers: [29] 29,85 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: 85:[17, 4], Operations: ['32-25=7', '11-7=4'] Exploring Operation: 17-4=13, Resulting Numbers: [13] 13,85 unequal: No Solution Exploring Operation: 17+4=21, Resulting Numbers: [21] 21,85 unequal: No Solution Moving to Node #0,0,1 Current State: 85:[17, 18], Operations: ['32-25=7', '11+7=18'] Exploring Operation: 18-17=1, Resulting Numbers: [1] 1,85 unequal: No Solution Exploring Operation: 17+18=35, Resulting Numbers: [35] 35,85 unequal: No Solution No solution found.
0
hs_2
sum_heuristic