C2221333133313331311233132313331333133313232123313331333131133121   >>    C222133313331333131123313231333133313331323212331333133313113312   <<    C2221333133313331311233132313331333133313232123313331333131133123   >>      C2221333133313331311233132313331333133313232123313331333131133122   >>