C2221232323213331311331333133313231333132313331333121313233313211313331   >>    C222123232321333131133133313331323133313231333133312131323331321131333   <<    C2221232323213331311331333133313231333132313331333121313233313211313333   >>      C2221232323213331311331333133313231333132313331333121313233313211313332   >>