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Last Digit

Easy

When only one Cell is left empty in a Row, Column, or , that's called a Last Digit.

How it works

3
2
7
9
8
5
6
1
5
9
1
3
6
2
4
8
7
8
6
1
4
3
9
2
6
1
3
8
7
9
2
4
4
9
2
1
6
8
5
3
8
5
2
9
4
3
1
6
1
4
8
6
3
9
2
5
3
7
2
1
6
4
8
2
6
5
4
8
1
3
9

Only one cell left

This row has only one empty cell left.

3
2
7
9
8
5
6
1
5
9
1
3
6
2
4
8
7
8
6
1
4
3
9
2
6
1
3
8
7
9
2
4
4
9
2
1
6
8
5
3
8
5
2
9
4
3
1
6
1
4
8
6
3
9
2
5
3
7
2
1
6
4
8
2
6
5
4
8
1
3
9

Every other cell is filled

Eight digits are already placed in this row. Only cell is still empty.

3
2
4
7
9
8
5
6
1
5
9
1
3
6
2
4
8
7
8
6
1
4
3
9
2
6
1
3
8
7
9
2
4
4
9
2
1
6
8
5
3
8
5
2
9
4
3
1
6
1
4
8
6
3
9
2
5
3
7
2
1
6
4
8
2
6
5
4
8
1
3
9

Place the missing digit

The only digit missing from this row is 4, so the last cell must be 4.

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