Weekly Extreme Killer Sudoku Competition for Jun 18 to Jun 24

Number 561, Extreme
by Crosswords Ltd. March puzzle packs Now Out!. Thanks for supporting our site.
156 people completed this puzzle correctly

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