C2221232323213331311331333133313231333132333112323132332321122113113121   >>    C222123232321333131133133313331323133313233311232313233232112211311312   <<    C2221232323213331311331333133313231333132333112323132332321122113113123   >>      C2221232323213331311331333133313231333132333112323132332321122113113122   >>