C2221232323213331311331333133313231333132333112323132332323221333231   >>    C222123232321333131133133313331323133313233311232313233232322133323   <<    C2221232323213331311331333133313231333132333112323132332323221333233   >>      C2221232323213331311331333133313231333132333112323132332323221333232   >>