YES 1 decompositions #0 ----------- 1: f(x) -> g(x) 2: f(x) -> h(f(x)) 3: h(f(x)) -> h(g(x)) 4: g(x) -> h(g(x)) @Strongly Commuting --- R 1: f(x) -> g(x) 2: f(x) -> h(f(x)) 3: h(f(x)) -> h(g(x)) 4: g(x) -> h(g(x)) --- S 1: f(x) -> g(x) 2: f(x) -> h(f(x)) 3: h(f(x)) -> h(g(x)) 4: g(x) -> h(g(x))