C2221232323213331311331333133313231333132313231333113221223331211   >>    C222123232321333131133133313331323133313231323133311322122333121   <<    C2221232323213331311331333133313231333132313231333113221223331213   >>      C2221232323213331311331333133313231333132313231333113221223331212   >>