3 a 9 z 3 − 4 a 9 z + a 9 z − 1 + a 8 z 6 + 4 a 8 z 4 − 4 a 8 z 2 + a 8 + 5 a 7 z 7 − 13 a 7 z 5 + 25 a 7 z 3 − 16 a 7 z + 3 a 7 z − 1 + 6 a 6 z 8 − 16 a 6 z 6 + 23 a 6 z 4 − 12 a 6 z 2 + 3 a 6 + 2 a 5 z 9 + 8 a 5 z 7 − 37 a 5 z 5 + 49 a 5 z 3 − 25 a 5 z + 4 a 5 z − 1 + 11 a 4 z 8 − 29 a 4 z 6 + 23 a 4 z 4 − 9 a 4 z 2 + 2 a 4 + 2 a 3 z 9 + 7 a 3 z 7 − 35 a 3 z 5 + 35 a 3 z 3 − 15 a 3 z + 2 a 3 z − 1 + 5 a 2 z 8 − 11 a 2 z 6 + 2 a 2 z 4 + a 2 + 4 a z 7 − 11 a z 5 + 8 a z 3 − 2 a z + z 6 − 2 z 4 + z 2 {\displaystyle 3a^{9}z^{3}-4a^{9}z+a^{9}z^{-1}+a^{8}z^{6}+4a^{8}z^{4}-4a^{8}z^{2}+a^{8}+5a^{7}z^{7}-13a^{7}z^{5}+25a^{7}z^{3}-16a^{7}z+3a^{7}z^{-1}+6a^{6}z^{8}-16a^{6}z^{6}+23a^{6}z^{4}-12a^{6}z^{2}+3a^{6}+2a^{5}z^{9}+8a^{5}z^{7}-37a^{5}z^{5}+49a^{5}z^{3}-25a^{5}z+4a^{5}z^{-1}+11a^{4}z^{8}-29a^{4}z^{6}+23a^{4}z^{4}-9a^{4}z^{2}+2a^{4}+2a^{3}z^{9}+7a^{3}z^{7}-35a^{3}z^{5}+35a^{3}z^{3}-15a^{3}z+2a^{3}z^{-1}+5a^{2}z^{8}-11a^{2}z^{6}+2a^{2}z^{4}+a^{2}+4az^{7}-11az^{5}+8az^{3}-2az+z^{6}-2z^{4}+z^{2}}