C2221232323213331311331333133313231323133313231123312331123132231   >>    C222123232321333131133133313331323132313331323112331233112313223   <<    C2221232323213331311331333133313231323133313231123312331123132233   >>      C2221232323213331311331333133313231323133313231123312331123132232   >>