Weekly Extreme Sudoku Competition for Dec 1 to Dec 7
Number 689, Extreme
by Crosswords Ltd.
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195 people completed this puzzle correctly
1
2
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4
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6
7
8
9
A
B
C
D
E
F
G
H
J
4
7
8
5
9
2
1
6
3
2
9
5
1
3
6
4
7
8
6
3
1
8
7
4
5
9
2
8
1
6
9
4
5
2
3
7
7
4
9
2
8
3
6
5
1
5
2
3
7
6
1
8
4
9
1
8
7
4
5
9
3
2
6
9
6
4
3
2
8
7
1
5
3
5
2
6
1
7
9
8
4