C2221232323213331311331333133313231333132313331333121313232311111   >>    C222123232321333131133133313331323133313231333133312131323231111   <<    C2221232323213331311331333133313231333132313331333121313232311113   >>      C2221232323213331311331333133313231333132313331333121313232311112   >>