C2221333133313331311233132313331333133313331321123231323133113121   >>    C222133313331333131123313231333133313331333132112323132313311312   <<    C2221333133313331311233132313331333133313331321123231323133113123   >>      C2221333133313331311233132313331333133313331321123231323133113122   >>