Weekly Extreme Killer Sudoku Competition for Feb 12 to Feb 18

Number 543, Extreme
by Crosswords Ltd. January puzzle packs Now Out!. Thanks for supporting our site.
165 people completed this puzzle correctly

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

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