docs: def line_on_device(
          device: 'cirq.google.XmonDevice',
          length: int,
          method: LinePlacementStrategy = greedy.GreedySequenceSearchStrategy()
  ) -> GridQubitLineTuple:
      """Searches for linear sequence of qubits on device.
  
      Args:
          device: Google Xmon device instance.
          length: Desired number of qubits making up the line.
          method: Line placement method. Defaults to
                  cirq.greedy.GreedySequenceSearchMethod.
  
      Returns:
          Line sequences search results.
      """
      return method.place_line(device, length)