Weekly Extreme Killer Sudoku Competition for Jan 27 to Feb 2
Number 645, 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
12
 
15
8
 
17
17
 
 
7
 
 
15
14
 
10
 
9
12
 
13
 
 
 
 
21
 
 
 
 
31
 
 
 
 
22
12
 
20
 
 
 
 
 
 
 
 
 
 
10
 
15
 
9
11
 
7
20
 
9
 
 
 
 
26
 
 
 
 
14
15
 
 
 
 
 
11
 
 
3