C2221232323213331311331333133313231333132313232111131132112312131   >>    C222123232321333131133133313331323133313231323211113113211231213   <<    C2221232323213331311331333133313231333132313232111131132112312133   >>      C2221232323213331311331333133313231333132313232111131132112312132   >>