C2221232323213331311331333133313231333132333112323132332323111132121   >>    C222123232321333131133133313331323133313233311232313233232311113212   <<    C2221232323213331311331333133313231333132333112323132332323111132123   >>      C2221232323213331311331333133313231333132333112323132332323111132122   >>