Daily Killer Sudoku Competition for Aug 15

Number 4155, Tough
109 people took an average of 24 minutes to correctly complete this puzzle

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Future Puzzle - will be submitted on the relevant day

1 2 3 4 5 6 7 8 9
A
B
C
D
E
F
G
H
J
12
 
17
 
 
21
 
31
 
 
8
 
5
 
 
 
 
 
8
 
16
24
 
7
 
 
10
12
 
 
 
 
13
 
12
 
16
9
21
 
 
 
 
 
 
 
 
6
 
18
9
 
10
 
 
32
15
 
 
 
 
12
 
 
 
13
 
5
 
15
 
9
 
 
 
 
19