Weekly Extreme Killer Sudoku Competition for May 10 to May 16

Number 712, Extreme
by Crosswords Ltd. October puzzle packs Now Out!. Thanks for supporting our site.
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
19
15
10
 
3
 
11
14
9
 
 
20
 
20
 
 
 
 
 
 
 
12
 
16
 
 
9
 
 
 
 
40
 
10
 
 
6
 
 
 
 
 
18
 
 
15
14
 
 
 
12
 
24
18
 
21
 
 
12
 
9
 
 
9
12
5
 
 
 
 
 
 
 
 
 
15
 
7