−v3u5 + 2v2u5−vu5 + v3u4−5v2u4 + 4vu4−v3u3 + 5v2u3−5vu3 + u3 + v3u2−5v2u2 + 5vu2−u2 + 4v2u−5vu + u−v2 + 2v−1