Weekly Extreme Killer Sudoku Competition for May 15 to May 21

Number 504, Extreme
by Crosswords Ltd. April puzzle packs Now Out!. Thanks for supporting our site.
175 people completed this puzzle correctly
1 2 3 4 5 6 7 8 9
A
B
C
D
E
F
G
H
J
4
1
7
6
2
8
9
3
5
6
2
3
1
9
5
8
7
4
9
8
5
4
3
7
6
2
1
7
9
8
3
5
1
4
6
2
3
5
6
2
8
4
7
1
9
1
4
2
9
7
6
3
5
8
8
7
4
5
1
3
2
9
6
5
6
9
7
4
2
1
8
3
2
3
1
8
6
9
5
4
7

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