Weekly Extreme Sudoku Competition for Jun 2 to Jun 8
Number 663, Extreme
by Crosswords Ltd.
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201 people completed this puzzle correctly
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
G
H
J
4
3
1
7
6
9
5
8
2
8
5
9
4
2
3
6
1
7
2
7
6
5
1
8
4
3
9
7
8
5
6
3
4
9
2
1
1
9
3
8
5
2
7
6
4
6
2
4
9
7
1
8
5
3
3
6
7
2
9
5
1
4
8
5
4
2
1
8
7
3
9
6
9
1
8
3
4
6
2
7
5