Weekly Extreme Killer Sudoku Competition for May 12 to May 18

Number 660, Extreme
by Crosswords Ltd. September 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
14
 
5
8
 
5
11
8
 
13
 
 
13
 
 
 
22
20
10
20
 
24
 
6
 
 
 
 
 
 
 
 
13
 
 
 
 
18
22
13
 
 
 
 
17
15
 
 
 
27
 
10
 
 
 
 
6
 
 
 
 
 
 
 
 
10
6
14
 
13
11
 
13
 
 
 
7
 
 
11