C2221232323213331311331333133313231333132313232111131132113121121   >>    C222123232321333131133133313331323133313231323211113113211312112   <<    C2221232323213331311331333133313231333132313232111131132113121123   >>      C2221232323213331311331333133313231333132313232111131132113121122   >>