a 15 z 5 − 2 a 15 z 3 + a 15 z + 3 a 14 z 6 − 6 a 14 z 4 + 5 a 14 z 2 − 2 a 14 + 4 a 13 z 7 − 4 a 13 z 5 − a 13 z 3 + a 13 z + a 13 z − 1 + 3 a 12 z 8 + 5 a 12 z 6 − 21 a 12 z 4 + 22 a 12 z 2 − 9 a 12 + a 11 z 9 + 11 a 11 z 7 − 23 a 11 z 5 + 16 a 11 z 3 − 9 a 11 z + 5 a 11 z − 1 + 7 a 10 z 8 + a 10 z 6 − 29 a 10 z 4 + 35 a 10 z 2 − 14 a 10 + a 9 z 9 + 13 a 9 z 7 − 32 a 9 z 5 + 32 a 9 z 3 − 22 a 9 z + 8 a 9 z − 1 + 4 a 8 z 8 + 2 a 8 z 6 − 18 a 8 z 4 + 19 a 8 z 2 − 8 a 8 + 6 a 7 z 7 − 13 a 7 z 5 + 15 a 7 z 3 − 12 a 7 z + 4 a 7 z − 1 + 3 a 6 z 6 − 4 a 6 z 4 + a 6 z 2 + a 5 z 5 − 2 a 5 z 3 + a 5 z {\displaystyle a^{15}z^{5}-2a^{15}z^{3}+a^{15}z+3a^{14}z^{6}-6a^{14}z^{4}+5a^{14}z^{2}-2a^{14}+4a^{13}z^{7}-4a^{13}z^{5}-a^{13}z^{3}+a^{13}z+a^{13}z^{-1}+3a^{12}z^{8}+5a^{12}z^{6}-21a^{12}z^{4}+22a^{12}z^{2}-9a^{12}+a^{11}z^{9}+11a^{11}z^{7}-23a^{11}z^{5}+16a^{11}z^{3}-9a^{11}z+5a^{11}z^{-1}+7a^{10}z^{8}+a^{10}z^{6}-29a^{10}z^{4}+35a^{10}z^{2}-14a^{10}+a^{9}z^{9}+13a^{9}z^{7}-32a^{9}z^{5}+32a^{9}z^{3}-22a^{9}z+8a^{9}z^{-1}+4a^{8}z^{8}+2a^{8}z^{6}-18a^{8}z^{4}+19a^{8}z^{2}-8a^{8}+6a^{7}z^{7}-13a^{7}z^{5}+15a^{7}z^{3}-12a^{7}z+4a^{7}z^{-1}+3a^{6}z^{6}-4a^{6}z^{4}+a^{6}z^{2}+a^{5}z^{5}-2a^{5}z^{3}+a^{5}z}
