C2221232323213331311331333133313231333132313232111131312132331211   >>    C222123232321333131133133313331323133313231323211113131213233121   <<    C2221232323213331311331333133313231333132313232111131312132331213   >>      C2221232323213331311331333133313231333132313232111131312132331212   >>