Daily Sudoku Competition for May 17
Tough
by Andrew Stuart
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
G
H
J
9
6
7
2
4
5
1
3
8
3
5
4
6
1
8
7
9
2
2
1
8
3
7
9
6
4
5
1
9
6
5
8
7
4
2
3
5
7
2
1
3
4
9
8
6
4
8
3
9
2
6
5
7
1
7
4
1
8
5
2
3
6
9
6
2
5
4
9
3
8
1
7
8
3
9
7
6
1
2
5
4