C2221232323213331311331333133313231333132313232111131312323222231   >>    C222123232321333131133133313331323133313231323211113131232322223   <<    C2221232323213331311331333133313231333132313232111131312323222233   >>      C2221232323213331311331333133313231333132313232111131312323222232   >>