C31231211113313112133313331311331333133313331333133313331333132313331322131221   >>    C3123121111331311213331333131133133313331333133313331333133313231333132213122   <<    C31231211113313112133313331311331333133313331333133313331333132313331322131223   >>      C31231211113313112133313331311331333133313331333133313331333132313331322131222   >>