Weekly Extreme Killer Sudoku Competition for Jul 31 to Aug 6

Number 828, Extreme
by Crosswords Ltd. October puzzle packs Now Out!. Thanks for supporting our site.
117 people completed this puzzle correctly

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

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