Weekly Extreme Killer Sudoku Competition for Jul 7 to Jul 13

Number 668, Extreme
by Crosswords Ltd. February puzzle packs Now Out!. Thanks for supporting our site.
138 people completed this puzzle correctly

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

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