BEST_CASE(Omega(n^1),?)

Solution:
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  "cons" :: ["b"(0) x "a"(1)] -(1)-> "a"(1)
  "cons" :: ["b"(0) x "a"(0)] -(0)-> "a"(0)
  "group3" :: ["a"(1)] -(1)-> "a"(0)
  "group3#1" :: ["a"(1)] -(0)-> "a"(0)
  "group3#2" :: ["a"(1) x "b"(0)] -(0)-> "a"(0)
  "group3#3" :: ["a"(1) x "b"(0) x "b"(0)] -(0)-> "a"(0)
  "nil" :: [] -(1)-> "a"(1)
  "nil" :: [] -(0)-> "a"(0)
  "tuple#3" :: ["b"(0) x "b"(0) x "b"(0)] -(0)-> "b"(0)
  "zip3" :: ["a"(0) x "a"(0) x "a"(0)] -(1)-> "a"(1)
  "zip3#1" :: ["a"(0) x "a"(0) x "a"(0)] -(1)-> "a"(1)
  "zip3#2" :: ["a"(0) x "a"(0) x "b"(0) x "a"(0)] -(1)-> "a"(1)
  "zip3#3" :: ["a"(0) x "b"(0) x "a"(0) x "b"(0) x "a"(0)] -(1)-> "a"(1)


Cost Free Signatures:
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Base Constructors:
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  "\"cons\"_a" :: ["b"(0) x "a"(1)] -(1)-> "a"(1)
  "\"nil\"_a" :: [] -(1)-> "a"(1)
  "\"tuple#3\"_b" :: ["b"(0) x "b"(0) x "b"(0)] -(0)-> "b"(0)