Weekly Extreme Killer Sudoku Competition for Dec 15 to Dec 21

Number 378, Extreme
by Crosswords Ltd. July puzzle packs Now Out!. Thanks for supporting our site.
235 people completed this puzzle correctly

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

You have selected colour for printing.
You may have to go into internet options and tick the box to allow print backgrounds to allow printing in colour