C2221232323213331311331333133313231323133313231322213322333121331   >>    C222123232321333131133133313331323132313331323132221332233312133   <<    C2221232323213331311331333133313231323133313231322213322333121333   >>      C2221232323213331311331333133313231323133313231322213322333121332   >>