C31231211113313112133313331311331333133313331333132322123232331   >>    C3123121111331311213331333131133133313331333133313232212323233   <<    C31231211113313112133313331311331333133313331333132322123232333   >>      C31231211113313112133313331311331333133313331333132322123232332   >>