Weekly Extreme Killer Sudoku Competition for Feb 4 to Feb 10

Number 594, Extreme
by Crosswords Ltd. September puzzle packs Now Out!. Thanks for supporting our site.
158 people completed this puzzle correctly

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