C2221333133313331311233132313331333133313331311233133313123233313221121   >>    C222133313331333131123313231333133313331333131123313331312323331322112   <<    C2221333133313331311233132313331333133313331311233133313123233313221123   >>      C2221333133313331311233132313331333133313331311233133313123233313221122   >>