C2221232323213331311331333133313231333132313232111131132322123111   >>    C222123232321333131133133313331323133313231323211113113232212311   <<    C2221232323213331311331333133313231333132313232111131132322123113   >>      C2221232323213331311331333133313231333132313232111131132322123112   >>