Weekly Extreme Killer Sudoku Competition for May 17 to May 23

Number 452, Extreme
by Crosswords Ltd. March puzzle packs Now Out!. Thanks for supporting our site.
197 people completed this puzzle correctly

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

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