C2221232323213331311331333133313231333131133231323323223322311111   >>    C222123232321333131133133313331323133313113323132332322332231111   <<    C2221232323213331311331333133313231333131133231323323223322311113   >>      C2221232323213331311331333133313231333131133231323323223322311112   >>