−v3u5 + 2v2u5−vu5 + 2v3u4−6v2u4 + 4vu4−2v3u3 + 9v2u3−8vu3 + u3 + v3u2−8v2u2 + 9vu2−2u2 + 4v2u−6vu + 2u−v2 + 2v−1