Weekly Extreme Killer Sudoku Competition for Jul 14 to Jul 20

Number 669, Extreme
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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
18
14
 
19
 
 
8
15
 
 
 
 
13
10
3
 
 
13
12
 
8
 
 
 
23
 
 
10
6
 
34
 
 
15
 
 
 
 
14
 
 
 
 
10
12
9
20
 
 
 
 
10
 
 
 
 
 
11
14
10
 
5
 
 
18
 
 
 
 
16
16
 
9
 
 
10