private static bool IsWithinPuzzle(this PlacedPiece placedPiece, IPuzzle puzzle)
{
return(placedPiece.OccupiedSquares.All(sq => sq.IsWithinPuzzle(puzzle)));
}
public InternalRow(PlacedPiece placedPiece)
{
Name = placedPiece.Name;
Colour = placedPiece.Colour;
OccupiedSquares = placedPiece.OccupiedSquares;
}