Weekly Extreme Killer Sudoku Competition for Jul 3 to Jul 9
Number 511, 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
6
 
11
 
13
 
18
 
 
9
 
15
 
 
12
16
9
 
18
17
 
12
 
 
 
14
 
 
9
 
 
18
 
 
 
 
 
13
 
 
 
16
 
 
14
17
19
 
 
 
17
11
 
 
 
 
 
12
 
 
13
 
 
6
 
 
 
21
10
 
8
 
14
 
 
 
 
11
 
6