C2221232323213331311331333133313331323132313331333231133313212311   >>    C222123232321333131133133313331333132313231333133323113331321231   <<    C2221232323213331311331333133313331323132313331333231133313212313   >>      C2221232323213331311331333133313331323132313331333231133313212312   >>