C222133313331333131123313231333133313331311111211113313331322323132233132212111   >>    C22213331333133313112331323133313331333131111121111331333132232313223313221211   <<    C222133313331333131123313231333133313331311111211113313331322323132233132212113   >>      C222133313331333131123313231333133313331311111211113313331322323132233132212112   >>