C2221232323213331311331333133313231323133313231123312311213111211   >>    C222123232321333131133133313331323132313331323112331231121311121   <<    C2221232323213331311331333133313231323133313231123312311213111213   >>      C2221232323213331311331333133313231323133313231123312311213111212   >>