override public string ToString()
{
string s = "";
int numberOfDigit = (int)Math.Floor(Math.Log10(SquareOrder) + 1);
for (int row = 0; row < SquareOrder; row++)
{
for (int column = 0; column < SquareOrder; column++)
{
int number = PlayGrid.Find(cell => cell.X == column && cell.Y == row).Value;
if (number != Int32.MinValue)
{
s = s + padCentre(number.ToString(), numberOfDigit);
}
else
{
s = s + padCentre("", numberOfDigit);
}
s = s + "|";
}
s = s.Remove(s.Length - 1);
s = s + " -> " + getCostRow(row);
s = s + System.Environment.NewLine;
}
for (int column = 0; column < SquareOrder; column++)
{
s = s + padCentre("v", numberOfDigit) + " ";
}
s = s + System.Environment.NewLine;
for (int column = 0; column < SquareOrder; column++)
{
s = s + padCentre(getCostColumn(column).ToString(), numberOfDigit) + "|";
}
s = s.Remove(s.Length - 1);
s = s + " -> " + getCost() + System.Environment.NewLine;
return(s);
}