a 6 z 10 + a 4 z 10 + 4 a 7 z 9 + 9 a 5 z 9 + 5 a 3 z 9 + 3 a 8 z 8 + 14 a 6 z 8 + 21 a 4 z 8 + 10 a 2 z 8 − 8 a 7 z 7 − 4 a 5 z 7 + 14 a 3 z 7 + 10 a z 7 − 6 a 8 z 6 − 42 a 6 z 6 − 50 a 4 z 6 − 9 a 2 z 6 + 5 z 6 + 6 a 9 z 5 + 18 a 7 z 5 − 18 a 5 z 5 − 46 a 3 z 5 − 15 a z 5 + z 5 a − 1 + 8 a 8 z 4 + 51 a 6 z 4 + 44 a 4 z 4 − 4 a 2 z 4 − 5 z 4 − 16 a 9 z 3 − 29 a 7 z 3 + 11 a 5 z 3 + 30 a 3 z 3 + 6 a z 3 − 5 a 8 z 2 − 24 a 6 z 2 − 19 a 4 z 2 + 11 a 9 z + 17 a 7 z + 7 a 5 z + a 3 z − 3 a 8 − 4 a 6 {\displaystyle a^{6}z^{10}+a^{4}z^{10}+4a^{7}z^{9}+9a^{5}z^{9}+5a^{3}z^{9}+3a^{8}z^{8}+14a^{6}z^{8}+21a^{4}z^{8}+10a^{2}z^{8}-8a^{7}z^{7}-4a^{5}z^{7}+14a^{3}z^{7}+10az^{7}-6a^{8}z^{6}-42a^{6}z^{6}-50a^{4}z^{6}-9a^{2}z^{6}+5z^{6}+6a^{9}z^{5}+18a^{7}z^{5}-18a^{5}z^{5}-46a^{3}z^{5}-15az^{5}+z^{5}a^{-1}+8a^{8}z^{4}+51a^{6}z^{4}+44a^{4}z^{4}-4a^{2}z^{4}-5z^{4}-16a^{9}z^{3}-29a^{7}z^{3}+11a^{5}z^{3}+30a^{3}z^{3}+6az^{3}-5a^{8}z^{2}-24a^{6}z^{2}-19a^{4}z^{2}+11a^{9}z+17a^{7}z+7a^{5}z+a^{3}z-3a^{8}-4a^{6}}
