Weekly Extreme Killer Sudoku Competition for Jan 27 to Feb 2

Number 645, 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
8
4
9
2
6
3
7
1
5
5
2
6
7
1
9
8
4
3
3
7
1
8
4
5
2
9
6
2
8
4
1
9
6
3
5
7
1
5
7
3
8
2
4
6
9
6
9
3
4
5
7
1
8
2
7
1
5
9
2
8
6
3
4
4
6
2
5
3
1
9
7
8
9
3
8
6
7
4
5
2
1

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