C2221232323213331311331333133313231333132313331333121313232322313131   >>    C222123232321333131133133313331323133313231333133312131323232231313   <<    C2221232323213331311331333133313231333132313331333121313232322313133   >>      C2221232323213331311331333133313231333132313331333121313232322313132   >>