Weekly Extreme Killer Sudoku Competition for Jul 21 to Jul 27

Number 670, Extreme
by Crosswords Ltd. October puzzle packs Now Out!. Thanks for supporting our site.
134 people completed this puzzle correctly
1 2 3 4 5 6 7 8 9
A
B
C
D
E
F
G
H
J
4
3
2
9
7
8
1
6
5
6
1
8
4
2
5
3
7
9
5
9
7
6
3
1
4
8
2
1
4
5
7
8
2
9
3
6
8
6
3
5
9
4
7
2
1
7
2
9
3
1
6
8
5
4
2
5
1
8
4
3
6
9
7
3
7
4
2
6
9
5
1
8
9
8
6
1
5
7
2
4
3

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