C31231211113311331323133313331333133313331322131221333131322321   >>    C3123121111331133132313331333133313331333132213122133313132232   <<    C31231211113311331323133313331333133313331322131221333131322323   >>      C31231211113311331323133313331333133313331322131221333131322322   >>