C2221232323213331311331333133313231333132333112323132332321122132233311   >>    C222123232321333131133133313331323133313233311232313233232112213223331   <<    C2221232323213331311331333133313231333132333112323132332321122132233313   >>      C2221232323213331311331333133313231333132333112323132332321122132233312   >>