Weekly Extreme Killer Sudoku Competition for Jul 14 to Jul 20

Number 669, Extreme
by Crosswords Ltd. October 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
3
5
6
9
4
1
7
8
9
7
6
8
3
1
5
2
4
8
4
1
5
7
2
9
6
3
4
5
7
1
2
9
3
8
6
6
1
2
3
5
8
4
9
7
3
8
9
7
4
6
2
1
5
5
9
3
2
6
7
8
4
1
1
6
4
9
8
3
7
5
2
7
2
8
4
1
5
6
3
9

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