C2221333133313331311233132313331333133313331321123231323323132323121   >>    C222133313331333131123313231333133313331333132112323132332313232312   <<    C2221333133313331311233132313331333133313331321123231323323132323123   >>      C2221333133313331311233132313331333133313331321123231323323132323122   >>