a 16 z 6 − 3 a 16 z 4 + 3 a 16 z 2 − a 16 + 3 a 15 z 7 − 8 a 15 z 5 + 5 a 15 z 3 + 4 a 14 z 8 − 7 a 14 z 6 − 2 a 14 z 4 + 4 a 14 z 2 + 4 a 13 z 9 − 7 a 13 z 7 + 5 a 13 z 5 − 10 a 13 z 3 + 7 a 13 z − 2 a 13 z − 1 + 2 a 12 z 10 + 2 a 12 z 8 − 12 a 12 z 6 + 17 a 12 z 4 − 17 a 12 z 2 + 5 a 12 + 10 a 11 z 9 − 31 a 11 z 7 + 51 a 11 z 5 − 47 a 11 z 3 + 22 a 11 z − 5 a 11 z − 1 + 2 a 10 z 10 + 5 a 10 z 8 − 23 a 10 z 6 + 36 a 10 z 4 − 21 a 10 z 2 + 5 a 10 + 6 a 9 z 9 − 15 a 9 z 7 + 23 a 9 z 5 − 18 a 9 z 3 + 11 a 9 z − 3 a 9 z − 1 + 7 a 8 z 8 − 16 a 8 z 6 + 15 a 8 z 4 − 3 a 8 z 2 + 6 a 7 z 7 − 14 a 7 z 5 + 12 a 7 z 3 − 4 a 7 z + 3 a 6 z 6 − 5 a 6 z 4 + a 5 z 5 − 2 a 5 z 3 {\displaystyle a^{16}z^{6}-3a^{16}z^{4}+3a^{16}z^{2}-a^{16}+3a^{15}z^{7}-8a^{15}z^{5}+5a^{15}z^{3}+4a^{14}z^{8}-7a^{14}z^{6}-2a^{14}z^{4}+4a^{14}z^{2}+4a^{13}z^{9}-7a^{13}z^{7}+5a^{13}z^{5}-10a^{13}z^{3}+7a^{13}z-2a^{13}z^{-1}+2a^{12}z^{10}+2a^{12}z^{8}-12a^{12}z^{6}+17a^{12}z^{4}-17a^{12}z^{2}+5a^{12}+10a^{11}z^{9}-31a^{11}z^{7}+51a^{11}z^{5}-47a^{11}z^{3}+22a^{11}z-5a^{11}z^{-1}+2a^{10}z^{10}+5a^{10}z^{8}-23a^{10}z^{6}+36a^{10}z^{4}-21a^{10}z^{2}+5a^{10}+6a^{9}z^{9}-15a^{9}z^{7}+23a^{9}z^{5}-18a^{9}z^{3}+11a^{9}z-3a^{9}z^{-1}+7a^{8}z^{8}-16a^{8}z^{6}+15a^{8}z^{4}-3a^{8}z^{2}+6a^{7}z^{7}-14a^{7}z^{5}+12a^{7}z^{3}-4a^{7}z+3a^{6}z^{6}-5a^{6}z^{4}+a^{5}z^{5}-2a^{5}z^{3}}
