D33131132122132313132333132323213231323223313133313233313132322311   >>    D3313113212213231313233313232321323132322331313331323331313232231   <<    D33131132122132313132333132323213231323223313133313233313132322313   >>      D33131132122132313132333132323213231323223313133313233313132322312   >>