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Last Digit
EasyWhen 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.
- 32798561591362487861439261387924492168538529431614863925372164826548139
Only one cell left
This row has only one empty cell left.
- 32798561591362487861439261387924492168538529431614863925372164826548139
Every other cell is filled
Eight digits are already placed in this row. Only cell is still empty.
- 324798561591362487861439261387924492168538529431614863925372164826548139
Place the missing digit
The only digit missing from this row is 4, so the last cell must be 4.
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