C2221232323213331311331333133313231323133313221213231122311211311   >>    C222123232321333131133133313331323132313331322121323112231121131   <<    C2221232323213331311331333133313231323133313221213231122311211313   >>      C2221232323213331311331333133313231323133313221213231122311211312   >>