(w0 x) | (w3 x)
(+ (+ (v1 x y) 2) x) | (+ (+ (v4 x y) 2) x)
(+ (+ (+ (v1 x y) 2) x) 1) | (+ (+ (+ (v4 x y) 2) x) 1)
(v1 x y) | (v4 x y)
(+ (v1 x y) 2) | (+ (v4 x y) 2)
