C2221232323213331311331333133313231333132333112323132332323222211111   >>    C222123232321333131133133313331323133313233311232313233232322221111   <<    C2221232323213331311331333133313231333132333112323132332323222211113   >>      C2221232323213331311331333133313231333132333112323132332323222211112   >>