C31231211113313112133313331311331333133313331333133313311232321133131   >>    C3123121111331311213331333131133133313331333133313331331123232113313   <<    C31231211113313112133313331311331333133313331333133313311232321133133   >>      C31231211113313112133313331311331333133313331333133313311232321133132   >>