C2221232323213331311331333133313231333132313132313122233132322311   >>    C222123232321333131133133313331323133313231313231312223313232231   <<    C2221232323213331311331333133313231333132313132313122233132322313   >>      C2221232323213331311331333133313231333132313132313122233132322312   >>