Weekly Extreme Killer Sudoku Competition for May 10 to May 16

Number 451, Extreme
by Crosswords Ltd. January 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
20
 
12
11
 
 
12
 
 
 
 
 
10
9
15
8
15
 
13
 
 
 
 
 
 
4
15
9
 
11
12
 
13
 
 
 
18
 
 
18
 
 
7
20
 
 
15
12
 
8
 
 
 
 
 
 
8
10
11
8
14
 
 
6
 
 
 
 
 
21
 
10
14
 
 
16