C2221232323213331311331333133313231333132313232111131312323231211   >>    C222123232321333131133133313331323133313231323211113131232323121   <<    C2221232323213331311331333133313231333132313232111131312323231213   >>      C2221232323213331311331333133313231333132313232111131312323231212   >>