(source [0, 0] - [1, 0]
  (qq_lit [0, 0] - [0, 9]
    (par_tup_lit [0, 1] - [0, 9]
      (sym_lit [0, 2] - [0, 3])
      (unquote_lit [0, 4] - [0, 6]
        (sym_lit [0, 5] - [0, 6]))
      (num_lit [0, 7] - [0, 8]))))
