Weekly Extreme Killer Sudoku Competition for May 6 to May 12

Number 607, Extreme
by Crosswords Ltd. September puzzle packs Now Out!. Thanks for supporting our site.
150 people completed this puzzle correctly

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

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