C31231211113311331323133313331333133313331333133313331313312231   >>    C3123121111331133132313331333133313331333133313331333131331223   <<    C31231211113311331323133313331333133313331333133313331313312233   >>      C31231211113311331323133313331333133313331333133313331313312232   >>