Daily Killer Sudoku Competition for Dec 18

Number 6837, Tough
69 people took an average of 19 minutes to correctly complete this puzzle

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Future Puzzle - will be submitted on the relevant day
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A
B
C
D
E
F
G
H
J
12
 
10
6
 
4
8
15
11
15
 
 
15
 
 
 
 
 
 
10
 
12
 
23
 
20
 
 
24
8
 
 
 
 
14
 
16
 
26
 
 
 
 
 
 
 
 
23
 
19
6
 
 
12
 
 
 
 
 
 
15
 
 
15
5
15
3
10
 
10
10
 
 
 
 
 
13