C2221232323213331311331333133313231333132313331333121313233311311211121   >>    C222123232321333131133133313331323133313231333133312131323331131121112   <<    C2221232323213331311331333133313231333132313331333121313233311311211123   >>      C2221232323213331311331333133313231333132313331333121313233311311211122   >>