code: def tilequeue_load_tiles_of_interest(cfg, peripherals):
      
      logger = make_logger(cfg, 'load_tiles_of_interest')
  
      toi_filename = "toi.txt"
      logger.info('Loading tiles of interest from %s ... ', toi_filename)
  
      with open(toi_filename, 'r') as f:
          new_toi = load_set_from_fp(f)
  
      logger.info('Loading tiles of interest from %s ... done', toi_filename)
      logger.info('Setting new TOI (with %s tiles) ... ', len(new_toi))
  
      peripherals.toi.set_tiles_of_interest(new_toi)
      emit_toi_stats(new_toi, peripherals)
  
      logger.info('Setting new TOI (with %s tiles) ... done', len(new_toi))
  
      logger.info('Loading tiles of interest ... done')
docs: Given a newline-delimited file containing tile coordinates in
      `zoom/column/row` format, load those tiles into the tiles of interest.