private void SwapColumns(int seed)
{
int counter = seed;
while (counter >= 0)
{
int regionCol = Random.Range(0, gridWidth);
int col1 = Random.Range(0, grid[0, regionCol].GetLength(0));
int col2 = Random.Range(0, grid[0, regionCol].GetLength(0));
if (col1 != col2)
{
shuffler.SwapColumnsInArea(regionCol, col1, col2);
counter--;
}
}
}