C31231211113311331323133313331333133313331333133313331311331123231   >>    C3123121111331133132313331333133313331333133313331333131133112323   <<    C31231211113311331323133313331333133313331333133313331311331123233   >>      C31231211113311331323133313331333133313331333133313331311331123232   >>