Weekly Extreme Killer Sudoku Competition for Dec 9 to Dec 15

Number 638, Extreme
by Crosswords Ltd. September puzzle packs Now Out!. Thanks for supporting our site.
147 people completed this puzzle correctly

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

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