C2221232323213331311331333133313231333132313331333121313232313122131311211   >>    C222123232321333131133133313331323133313231333133312131323231312213131121   <<    C2221232323213331311331333133313231333132313331333121313232313122131311213   >>      C2221232323213331311331333133313231333132313331333121313232313122131311212   >>