C2221232323213331311331333133313231333132333112323132332321122212311231   >>    C222123232321333131133133313331323133313233311232313233232112221231123   <<    C2221232323213331311331333133313231333132333112323132332321122212311233   >>      C2221232323213331311331333133313231333132333112323132332321122212311232   >>