Weekly Extreme Killer Sudoku Competition for May 9 to May 15

Number 764, 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
7
 
10
20
 
15
 
11
 
13
 
 
12
 
9
 
 
12
9
 
15
 
 
15
 
 
 
14
11
 
38
 
9
 
 
 
 
 
 
 
 
 
16
12
14
11
9
 
 
 
 
 
 
 
 
19
 
 
15
 
 
5
 
 
11
11
 
13
 
11
17
 
 
 
13
 
 
 
 
8