Weekly Extreme Killer Sudoku Competition for May 10 to May 16
Number 451, Extreme
by Crosswords Ltd.
October puzzle packs Now Out!
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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
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