− v u 5 + u 5 + 5 v u 4 − 5 u 4 − 11 v u 3 + 11 u 3 + 11 v u 2 − 11 u 2 − 5 v u + 5 u + v − 1 {\displaystyle -vu^{5}+u^{5}+5vu^{4}-5u^{4}-11vu^{3}+11u^{3}+11vu^{2}-11u^{2}-5vu+5u+v-1}
