Weekly Extreme Sudoku Competition for Dec 2 to Dec 8
Number 637, Extreme
by Crosswords Ltd.
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242 people completed this puzzle correctly
1
2
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6
7
8
9
A
B
C
D
E
F
G
H
J
3
9
8
2
1
6
4
5
7
2
1
4
8
5
7
6
9
3
6
5
7
9
4
3
1
2
8
5
8
9
1
7
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3
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6
4
3
1
6
9
5
7
8
2
7
2
6
4
3
8
9
1
5
8
4
5
3
6
1
2
7
9
1
7
3
5
2
9
8
6
4
9
6
2
7
8
4
5
3
1