C2221232323213331311331333133313231323133313231123312311223313231   >>    C222123232321333131133133313331323132313331323112331231122331323   <<    C2221232323213331311331333133313231323133313231123312311223313233   >>      C2221232323213331311331333133313231323133313231123312311223313232   >>