Weekly Extreme Killer Sudoku Competition for Jul 23 to Jul 29

Number 566, Extreme
by Crosswords Ltd. October puzzle packs Now Out!. Thanks for supporting our site.
151 people completed this puzzle correctly

1 2 3 4 5 6 7 8 9
A
B
C
D
E
F
G
H
J
9
7
4
2
1
5
8
6
3
6
8
1
4
9
3
5
2
7
2
3
5
6
8
7
9
4
1
4
5
8
7
3
1
2
9
6
7
2
3
9
6
8
4
1
5
1
9
6
5
4
2
7
3
8
8
1
7
3
2
4
6
5
9
3
4
9
8
5
6
1
7
2
5
6
2
1
7
9
3
8
4

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