C31231211113313112133313331311331333133313331333132313221312111   >>    C3123121111331311213331333131133133313331333133313231322131211   <<    C31231211113313112133313331311331333133313331333132313221312113   >>      C31231211113313112133313331311331333133313331333132313221312112   >>