#47 Possible values of a cell

[Jari Pyyluoma]

I often use the method of writing down the possible
values of a cell in the cell, when solving puzzles by
hand, especially if they are difficult.

I sort of miss that in this computer version.

There could be two versions of this, one automatic and
one manual.

An empty cell could look like:

123
456
789

or

1 3
56
7

either filled in by the player or the computer.

The automatic would be like a sort of "hint"-mode.

[Roel Hertoghs]

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