D33131132122132313132333132323213231323223313133313233313113313223231   >>    D3313113212213231313233313232321323132322331313331323331311331322323   <<    D33131132122132313132333132323213231323223313133313233313113313223233   >>      D33131132122132313132333132323213231323223313133313233313113313223232   >>