C2221232323213331311331333133313331323132313331333231133313212331   >>    C222123232321333131133133313331333132313231333133323113331321233   <<    C2221232323213331311331333133313331323132313331333231133313212333   >>      C2221232323213331311331333133313331323132313331333231133313212332   >>