C2221232323213331311331333133313231333132313232131133313232212311   >>    C222123232321333131133133313331323133313231323213113331323221231   <<    C2221232323213331311331333133313231333132313232131133313232212313   >>      C2221232323213331311331333133313231333132313232131133313232212312   >>