Weekly Extreme Killer Sudoku Competition for Jun 2 to Jun 8

Number 663, Extreme
by Crosswords Ltd. December puzzle packs Now Out!. Thanks for supporting our site.
134 people completed this puzzle correctly
1 2 3 4 5 6 7 8 9
A
B
C
D
E
F
G
H
J
7
5
2
1
6
8
9
4
3
1
6
9
3
4
5
2
7
8
8
3
4
7
2
9
6
5
1
5
8
7
2
9
3
1
6
4
2
9
1
4
5
6
3
8
7
6
4
3
8
1
7
5
2
9
9
7
6
5
3
4
8
1
2
4
1
5
9
8
2
7
3
6
3
2
8
6
7
1
4
9
5

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