C2221232323213331311331333133313231323133313231123312331121322131121   >>    C222123232321333131133133313331323132313331323112331233112132213112   <<    C2221232323213331311331333133313231323133313231123312331121322131123   >>      C2221232323213331311331333133313231323133313231123312331121322131122   >>