Write a rule for the glide reflection that maps △ABC with vertices A(−4, −2), B(−2, 6), and C(4, 4) to △A′B′C′ with vertices A′(4, 2), B′(6, −6), and C′(12, −4).

(x, y) ⟶ ( __ x +__ , __ y + __ )