Weekly Extreme Killer Sudoku Competition for Jan 7 to Jan 13

Number 590, Extreme
by Crosswords Ltd. September puzzle packs Now Out!. Thanks for supporting our site.
155 people completed this puzzle correctly

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

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