Practice
Pointing
Row 7, column 4 is still open. Select it and note what it could be, with Centre marks.
Hint
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
1
3
8
3
2
9
6
7
4
8
5
2
1
7
Digits
Corner
Centre
Colour
Digits
ABC
1
2
3
4
5
6
7
8
9
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