Weekly Extreme Sudoku Competition for Dec 23 to Dec 29
Number 640, Extreme
by Crosswords Ltd.
April 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
1
5
4
3
3
1
7
8
8
4
7
1
3
4
2
1
6
8
2
5
1
4
4
5
3
6