Weekly Extreme Killer Sudoku Competition for Apr 28 to May 4

Number 658, 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
12
 
 
13
18
 
 
16
6
16
16
 
 
 
10
 
 
 
 
 
12
12
 
5
 
12
18
16
 
 
40
 
5
 
 
 
11
 
 
 
 
 
14
13
 
 
6
13
 
 
 
 
 
 
 
 
8
 
13
 
 
12
12
9
15
7
 
16
 
 
 
 
 
 
14
 
 
 
15