(STRATEGY
    INNERMOST)

(VAR
    x y z)
(DATATYPES
    A = µX.< 0, 1, g(X) >)
(SIGNATURES
    f :: [A x A x A] -> A)
(RULES
    f(0(),1(),x) -> f(g(x),g(x),x)
    f(g(x),y,z) -> g(f(x,y,z))
    f(x,g(y),z) -> g(f(x,y,z))
    f(x,y,g(z)) -> g(f(x,y,z)))