(source [0, 0] - [1, 0]
  (par_tup_lit [0, 0] - [0, 12]
    (sym_lit [0, 1] - [0, 2])
    (splice_lit [0, 3] - [0, 11]
      (sqr_tup_lit [0, 4] - [0, 11]
        (num_lit [0, 5] - [0, 6])
        (num_lit [0, 7] - [0, 8])
        (num_lit [0, 9] - [0, 10])))))
