public static CustomBasicList <CustomBasicList <T> > GetAllPossibleCombinations <T>(this CustomBasicList <T> thisList)
{
CustomBasicList <CustomBasicList <T> > finList = new CustomBasicList <CustomBasicList <T> >();
var loopTo = thisList.Count;
int x;
for (x = 1; x <= loopTo; x++)
{
CustomBasicList <CustomBasicList <T> > tempList = thisList.GetCombinations(x);
finList.AddRange(tempList);
}
return(finList);
}