Weekly Extreme Killer Sudoku Competition for Dec 1 to Dec 7

Number 689, Extreme
by Crosswords Ltd. September puzzle packs Now Out!. Thanks for supporting our site.
127 people completed this puzzle correctly

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

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