Weekly Extreme Killer Sudoku Competition for Feb 3 to Feb 9

Number 646, Extreme
by Crosswords Ltd. September puzzle packs Now Out!. Thanks for supporting our site.
139 people completed this puzzle correctly

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

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