C2221333133313331311233132313331333133313331321123231333132213331333313121   >>    C222133313331333131123313231333133313331333132112323133313221333133331312   <<    C2221333133313331311233132313331333133313331321123231333132213331333313123   >>      C2221333133313331311233132313331333133313331321123231333132213331333313122   >>