C2221232323213331311331333133313231323133313231123312332313211121   >>    C222123232321333131133133313331323132313331323112331233231321112   <<    C2221232323213331311331333133313231323133313231123312332313211123   >>      C2221232323213331311331333133313231323133313231123312332313211122   >>