Daily Killer Sudoku Competition for May 20

Number 6990, Tough
64 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
1 2 3 4 5 6 7 8 9
A
B
C
D
E
F
G
H
J
12
19
8
 
14
 
23
 
14
 
 
 
10
 
15
 
 
 
 
11
11
 
19
 
14
 
 
7
 
 
9
 
 
 
10
 
 
10
 
 
 
17
9
 
9
12
 
13
17
 
 
12
11
 
25
 
 
 
 
3
 
 
15
 
13
 
 
19
 
13
 
 
 
 
 
 
 
11