C2221232323213331311331333133313231323133313231322213322131121231   >>    C222123232321333131133133313331323132313331323132221332213112123   <<    C2221232323213331311331333133313231323133313231322213322131121233   >>      C2221232323213331311331333133313231323133313231322213322131121232   >>