Weekly Extreme Killer Sudoku Competition for Sep 25 to Oct 1

Number 523, Extreme
by Crosswords Ltd. January puzzle packs Now Out!. Thanks for supporting our site.
174 people completed this puzzle correctly

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

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