Weekly Extreme Killer Sudoku Competition for Dec 30 to Jan 5

Number 641, Extreme
by Crosswords Ltd. October puzzle packs Now Out!. Thanks for supporting our site.
148 people completed this puzzle correctly

1 2 3 4 5 6 7 8 9
A
B
C
D
E
F
G
H
J
1
7
5
9
8
3
2
4
6
2
6
8
1
4
5
3
9
7
3
9
4
2
6
7
5
1
8
7
8
3
5
9
2
4
6
1
5
2
1
4
7
6
9
8
3
6
4
9
8
3
1
7
2
5
4
1
7
6
5
9
8
3
2
8
5
6
3
2
4
1
7
9
9
3
2
7
1
8
6
5
4

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