C2221232323213331311331333133313231333132313231333113221312233132231   >>    C222123232321333131133133313331323133313231323133311322131223313223   <<    C2221232323213331311331333133313231333132313231333113221312233132233   >>      C2221232323213331311331333133313231333132313231333113221312233132232   >>