C2221232323213331311331333133313231333131133231323323223321212131   >>    C222123232321333131133133313331323133313113323132332322332121213   <<    C2221232323213331311331333133313231333131133231323323223321212133   >>      C2221232323213331311331333133313231333131133231323323223321212132   >>