C2221232323213331311331333133313231333132313331333121313232311311313111   >>    C222123232321333131133133313331323133313231333133312131323231131131311   <<    C2221232323213331311331333133313231333132313331333121313232311311313113   >>      C2221232323213331311331333133313231333132313331333121313232311311313112   >>