(GOAL COMPLEXITY)
(STARTTERM CONSTRUCTOR-BASED)
(STRATEGY INNERMOST)
(STRATEGY
    INNERMOST)

(VAR
    x)
(DATATYPES
    A = µX.< b(X) >)
(SIGNATURES
    a :: [A] -> A)
(RULES
    a(b(x)) -> b(b(a(a(x)))))