C2221232323213331311331333133313231333131121132332322233132323121   >>    C222123232321333131133133313331323133313112113233232223313232312   <<    C2221232323213331311331333133313231333131121132332322233132323123   >>      C2221232323213331311331333133313231333131121132332322233132323122   >>