Weekly Extreme Killer Sudoku Competition for May 7 to May 13

Number 555, Extreme
by Crosswords Ltd. January puzzle packs Now Out!. Thanks for supporting our site.
163 people completed this puzzle correctly

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

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