Weekly Extreme Killer Sudoku Competition for Feb 17 to Feb 23

Number 648, Extreme
by Crosswords Ltd. September puzzle packs Now Out!. Thanks for supporting our site.
140 people completed this puzzle correctly

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

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