private List <List <char> > GetSplitedMatrixByColumn(string text)
{
StringBuilder sb = new StringBuilder(text);
var matrixSize = Convert.ToInt32(Math.Round(Math.Sqrt(text.Length)));
var _initialMatrix = new List <List <char> >();
for (int i = 0; i < matrixSize; i++)
{
_initialMatrix.Add(new List <char>());
foreach (var item in sb.ToString().Take(matrixSize))
{
if (item == ' ')
{
_initialMatrix[i].Add(_delimiter);
}
else
{
_initialMatrix[i].Add(item);
}
}
sb.Remove(0, sb.Length > matrixSize ? matrixSize : sb.Length);
_initialMatrix[i].AddRange(_indexHelper.Fill(_delimiter, matrixSize - _initialMatrix[i].Count()));
}
return(_initialMatrix);
}