C2221232323213331311331333133313231333132313331333121313233311311312131   >>    C222123232321333131133133313331323133313231333133312131323331131131213   <<    C2221232323213331311331333133313231333132313331333121313233311311312133   >>      C2221232323213331311331333133313231333132313331333121313233311311312132   >>