a 16 z 2 + 2 a 15 z 3 + 3 a 14 z 4 − 2 a 14 z 2 + 4 a 13 z 5 − 6 a 13 z 3 + 5 a 12 z 6 − 13 a 12 z 4 + 6 a 12 z 2 − a 12 + 5 a 11 z 7 − 17 a 11 z 5 + 13 a 11 z 3 − 3 a 11 z + 4 a 10 z 8 − 15 a 10 z 6 + 11 a 10 z 4 + a 10 z 2 + 3 a 9 z 9 − 14 a 9 z 7 + 18 a 9 z 5 − 9 a 9 z 3 + 6 a 9 z − 2 a 9 z − 1 + a 8 z 10 − 2 a 8 z 8 − 11 a 8 z 6 + 31 a 8 z 4 − 22 a 8 z 2 + 5 a 8 + 4 a 7 z 9 − 27 a 7 z 7 + 62 a 7 z 5 − 59 a 7 z 3 + 25 a 7 z − 5 a 7 z − 1 + a 6 z 10 − 6 a 6 z 8 + 9 a 6 z 6 + 4 a 6 z 4 − 14 a 6 z 2 + 5 a 6 + a 5 z 9 − 8 a 5 z 7 + 23 a 5 z 5 − 29 a 5 z 3 + 16 a 5 z − 3 a 5 z − 1 {\displaystyle a^{16}z^{2}+2a^{15}z^{3}+3a^{14}z^{4}-2a^{14}z^{2}+4a^{13}z^{5}-6a^{13}z^{3}+5a^{12}z^{6}-13a^{12}z^{4}+6a^{12}z^{2}-a^{12}+5a^{11}z^{7}-17a^{11}z^{5}+13a^{11}z^{3}-3a^{11}z+4a^{10}z^{8}-15a^{10}z^{6}+11a^{10}z^{4}+a^{10}z^{2}+3a^{9}z^{9}-14a^{9}z^{7}+18a^{9}z^{5}-9a^{9}z^{3}+6a^{9}z-2a^{9}z^{-1}+a^{8}z^{10}-2a^{8}z^{8}-11a^{8}z^{6}+31a^{8}z^{4}-22a^{8}z^{2}+5a^{8}+4a^{7}z^{9}-27a^{7}z^{7}+62a^{7}z^{5}-59a^{7}z^{3}+25a^{7}z-5a^{7}z^{-1}+a^{6}z^{10}-6a^{6}z^{8}+9a^{6}z^{6}+4a^{6}z^{4}-14a^{6}z^{2}+5a^{6}+a^{5}z^{9}-8a^{5}z^{7}+23a^{5}z^{5}-29a^{5}z^{3}+16a^{5}z-3a^{5}z^{-1}}
