(source [0, 0] - [1, 0]
  (short_fn_lit [0, 0] - [0, 8]
    (par_tup_lit [0, 1] - [0, 8]
      (sym_lit [0, 2] - [0, 3])
      (sym_lit [0, 4] - [0, 5])
      (num_lit [0, 6] - [0, 7]))))
