Daily Killer Sudoku Competition for Jan 21

Number 6871, Tough
60 people took an average of 29 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
17
 
22
 
 
 
16
15
 
 
 
12
 
20
 
 
 
14
7
19
19
 
 
9
 
 
 
 
 
 
11
11
 
11
 
14
6
 
 
 
 
14
15
15
 
 
6
 
9
 
 
 
 
4
22
 
6
 
25
 
 
 
 
 
17
 
 
 
7
 
24
 
 
 
 
18