Weekly Extreme Killer Sudoku Competition for Dec 16 to Dec 22

Number 639, Extreme
by Crosswords Ltd. April 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
1
9
3
2
4
5
7
6
8
2
5
6
8
3
7
4
1
9
7
8
4
1
6
9
5
3
2
6
2
1
4
5
8
9
7
3
8
7
9
3
2
1
6
5
4
3
4
5
9
7
6
8
2
1
9
6
2
7
1
4
3
8
5
5
3
8
6
9
2
1
4
7
4
1
7
5
8
3
2
9
6

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