Weekly Extreme Killer Sudoku Competition for Feb 10 to Feb 16

Number 647, Extreme
by Crosswords Ltd. March puzzle packs Now Out!. Thanks for supporting our site.
142 people completed this puzzle correctly

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

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