WORST_CASE(?,O(n^1))

Solution:
---------

  "0" :: [] -(0)-> "A"(11)
  "0" :: [] -(0)-> "A"(15)
  "activate" :: ["A"(11)] -(4)-> "A"(11)
  "cons" :: ["A"(0) x "A"(11)] -(0)-> "A"(11)
  "first" :: ["A"(11) x "A"(11)] -(12)-> "A"(11)
  "from" :: ["A"(0)] -(2)-> "A"(11)
  "n__first" :: ["A"(11) x "A"(11)] -(11)-> "A"(11)
  "n__from" :: ["A"(0)] -(0)-> "A"(11)
  "n__from" :: ["A"(0)] -(0)-> "A"(14)
  "nil" :: [] -(0)-> "A"(13)
  "s" :: ["A"(11)] -(11)-> "A"(11)
  "s" :: ["A"(15)] -(15)-> "A"(15)
  "s" :: ["A"(0)] -(0)-> "A"(0)
  "sel" :: ["A"(15) x "A"(11)] -(1)-> "A"(0)


Cost Free Signatures:
---------------------

  "0" :: [] -(0)-> "A"_cf(0)
  "activate" :: ["A"_cf(0)] -(0)-> "A"_cf(0)
  "cons" :: ["A"_cf(0) x "A"_cf(0)] -(0)-> "A"_cf(0)
  "first" :: ["A"_cf(0) x "A"_cf(0)] -(0)-> "A"_cf(0)
  "from" :: ["A"_cf(0)] -(0)-> "A"_cf(0)
  "n__first" :: ["A"_cf(0) x "A"_cf(0)] -(0)-> "A"_cf(0)
  "n__from" :: ["A"_cf(0)] -(0)-> "A"_cf(0)
  "nil" :: [] -(0)-> "A"_cf(0)
  "s" :: ["A"_cf(0)] -(0)-> "A"_cf(0)
  "sel" :: ["A"_cf(0) x "A"_cf(0)] -(0)-> "A"_cf(0)


Base Constructors:
------------------
  "\"0\"_A" :: [] -(0)-> "A"(1)
  "\"cons\"_A" :: ["A"(0) x "A"(1)] -(0)-> "A"(1)
  "\"n__first\"_A" :: ["A"(0) x "A"(0)] -(1)-> "A"(1)
  "\"n__from\"_A" :: ["A"(0)] -(0)-> "A"(1)
  "\"nil\"_A" :: [] -(0)-> "A"(1)
  "\"s\"_A" :: ["A"(1)] -(1)-> "A"(1)