C222133313331333131123313231333133313331333131123313233312123231   >>    C22213331333133313112331323133313331333133313112331323331212323   <<    C222133313331333131123313231333133313331333131123313233312123233   >>      C222133313331333131123313231333133313331333131123313233312123232   >>