Weekly Extreme Killer Sudoku Competition for Jan 6 to Jan 12

Number 642, Extreme
by Crosswords Ltd. September puzzle packs Now Out!. Thanks for supporting our site.
149 people completed this puzzle correctly

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

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