C2221232323213331311331333133313231333132333112323132332321223313331   >>    C222123232321333131133133313331323133313233311232313233232122331333   <<    C2221232323213331311331333133313231333132333112323132332321223313333   >>      C2221232323213331311331333133313231333132333112323132332321223313332   >>