Weekly Extreme Killer Sudoku Competition for Sep 29 to Oct 5

Number 680, 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
3
2
7
1
8
4
6
9
5
8
9
4
6
5
3
7
2
1
1
5
6
9
2
7
8
4
3
7
4
5
8
1
9
2
3
6
2
8
9
3
4
6
5
1
7
6
3
1
2
7
5
4
8
9
9
7
8
5
3
2
1
6
4
4
6
2
7
9
1
3
5
8
5
1
3
4
6
8
9
7
2

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