C2221232323213331311331333133313231323133313231123312331123312121111   >>    C222123232321333131133133313331323132313331323112331233112331212111   <<    C2221232323213331311331333133313231323133313231123312331123312121113   >>      C2221232323213331311331333133313231323133313231123312331123312121112   >>