Weekly Extreme Killer Sudoku Competition for Oct 6 to Oct 12

Number 681, Extreme
by Crosswords Ltd. February puzzle packs Now Out!. Thanks for supporting our site.
131 people completed this puzzle correctly

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

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