C2221333133313331311233132313331333133313331333133313331321123121   >>    C222133313331333131123313231333133313331333133313331333132112312   <<    C2221333133313331311233132313331333133313331333133313331321123123   >>      C2221333133313331311233132313331333133313331333133313331321123122   >>