docs: def place_line(self,
                     device: 'cirq.google.XmonDevice',
                     length: int) -> GridQubitLineTuple:
          """Runs line sequence search.
  
          Args:
              device: Chip description.
              length: Required line length.
  
          Returns:
              List of linear sequences on the chip found by simulated annealing
              method.
          """
          seqs = AnnealSequenceSearch(device, self.seed).search(self.trace_func)
          return GridQubitLineTuple.best_of(seqs, length)