C2221232323213331311331333133313231323133313231123312331111211311   >>    C222123232321333131133133313331323132313331323112331233111121131   <<    C2221232323213331311331333133313231323133313231123312331111211313   >>      C2221232323213331311331333133313231323133313231123312331111211312   >>