Weekly Extreme Sudoku Competition for Sep 15 to Sep 21
Number 678, Extreme
by Crosswords Ltd.
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200 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
4
6
8
3
1
2
9
8
9
3
1
2
7
6
4
5
2
1
6
5
4
9
8
7
3
5
2
1
4
9
6
7
3
8
6
4
7
2
3
8
5
9
1
9
3
8
7
5
1
2
6
4
4
8
2
3
6
5
9
1
7
1
6
9
8
7
4
3
5
2
3
7
5
9
1
2
4
8
6