WORST_CASE(?,O(n^1))

Solution:
---------

  "::" :: ["A"(0) x "A"(15)] -(15)-> "A"(15)
  "::" :: ["A"(0) x "A"(0)] -(0)-> "A"(0)
  "::" :: ["A"(0) x "A"(2)] -(2)-> "A"(2)
  "group3" :: ["A"(15)] -(12)-> "A"(2)
  "group3#1" :: ["A"(15)] -(8)-> "A"(2)
  "group3#2" :: ["A"(15) x "A"(0)] -(8)-> "A"(2)
  "group3#3" :: ["A"(15) x "A"(0) x "A"(0)] -(11)-> "A"(2)
  "nil" :: [] -(0)-> "A"(15)
  "nil" :: [] -(0)-> "A"(0)
  "nil" :: [] -(0)-> "A"(12)
  "nil" :: [] -(0)-> "A"(8)
  "tuple#3" :: ["A"(0) x "A"(0) x "A"(0)] -(3)-> "A"(3)
  "tuple#3" :: ["A"(0) x "A"(0) x "A"(0)] -(0)-> "A"(0)
  "zip3" :: ["A"(15) x "A"(0) x "A"(15)] -(6)-> "A"(0)
  "zip3#1" :: ["A"(15) x "A"(0) x "A"(15)] -(5)-> "A"(0)
  "zip3#2" :: ["A"(0) x "A"(15) x "A"(0) x "A"(15)] -(8)-> "A"(0)
  "zip3#3" :: ["A"(15) x "A"(0) x "A"(15) x "A"(0) x "A"(0)] -(7)-> "A"(0)


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

  "::" :: ["A"_cf(0) x "A"_cf(0)] -(0)-> "A"_cf(0)
  "group3" :: ["A"_cf(0)] -(0)-> "A"_cf(0)
  "group3#1" :: ["A"_cf(0)] -(0)-> "A"_cf(0)
  "group3#2" :: ["A"_cf(0) x "A"_cf(0)] -(0)-> "A"_cf(0)
  "group3#3" :: ["A"_cf(0) x "A"_cf(0) x "A"_cf(0)] -(0)-> "A"_cf(0)
  "nil" :: [] -(0)-> "A"_cf(0)
  "tuple#3" :: ["A"_cf(0) x "A"_cf(0) x "A"_cf(0)] -(0)-> "A"_cf(0)
  "zip3" :: ["A"_cf(0) x "A"_cf(0) x "A"_cf(0)] -(0)-> "A"_cf(0)
  "zip3#1" :: ["A"_cf(0) x "A"_cf(0) x "A"_cf(0)] -(0)-> "A"_cf(0)
  "zip3#2" :: ["A"_cf(0) x "A"_cf(0) x "A"_cf(0) x "A"_cf(0)] -(0)-> "A"_cf(0)
  "zip3#3" :: ["A"_cf(0) x "A"_cf(0) x "A"_cf(0) x "A"_cf(0) x "A"_cf(0)] -(0)-> "A"_cf(0)


Base Constructors:
------------------
  "\"::\"_A" :: ["A"(0) x "A"(1)] -(1)-> "A"(1)
  "\"nil\"_A" :: [] -(0)-> "A"(1)
  "\"tuple#3\"_A" :: ["A"(0) x "A"(0) x "A"(0)] -(1)-> "A"(1)