C2221232323213331311331333133313231323133313231123312311221311311   >>    C222123232321333131133133313331323132313331323112331231122131131   <<    C2221232323213331311331333133313231323133313231123312311221311313   >>      C2221232323213331311331333133313231323133313231123312311221311312   >>