public Cell this[CellRef index] => _cells[index.Row - 1][index.Column - 1];
public Cell(Grid grid, CellRef @ref)
{
Grid = grid;
Ref = @ref;
Candidates = new Candidates(Grid.Size);
}
public Cell this[CellRef index] => _cells[index.Row - 1][index.Column - 1];
public Cell(Grid grid, CellRef @ref)
{
Grid = grid;
Ref = @ref;
Candidates = new Candidates(Grid.Size);
}