(c4) (g) (g) (g') (g) (h) (g') (h) (g'_) (,) (f) (g') (h) (j) (i) (h_j) (i') (h) (g) (h'_) (,) (h) (h') (i) (h) (g.) (::) (j) (j) (i) (j) (h) (g.) (::)