a 5 z 11 + a 3 z 11 + a 6 z 10 + 5 a 4 z 10 + 4 a 2 z 10 − 2 a 5 z 9 + 5 a 3 z 9 + 7 a z 9 − 2 a 6 z 8 − 15 a 4 z 8 − 6 a 2 z 8 + 7 z 8 + 4 a 7 z 7 + 7 a 5 z 7 − 19 a 3 z 7 − 18 a z 7 + 4 z 7 a − 1 + 2 a 8 z 6 + 5 a 6 z 6 + 19 a 4 z 6 − 4 a 2 z 6 + z 6 a − 2 − 19 z 6 + a 9 z 5 − 9 a 7 z 5 − 12 a 5 z 5 + 19 a 3 z 5 + 11 a z 5 − 10 z 5 a − 1 − 4 a 8 z 4 + a 6 z 4 + 2 a 4 z 4 + 11 a 2 z 4 − 2 z 4 a − 2 + 12 z 4 − 3 a 9 z 3 + 8 a 7 z 3 + 20 a 5 z 3 + 4 a 3 z 3 − a z 3 + 4 z 3 a − 1 + a 8 z 2 − 8 a 6 z 2 − 13 a 4 z 2 − 7 a 2 z 2 − 3 z 2 + 2 a 9 z − 4 a 7 z − 11 a 5 z − 7 a 3 z − 2 a z + 4 a 6 + 7 a 4 + 2 a 2 {\displaystyle a^{5}z^{11}+a^{3}z^{11}+a^{6}z^{10}+5a^{4}z^{10}+4a^{2}z^{10}-2a^{5}z^{9}+5a^{3}z^{9}+7az^{9}-2a^{6}z^{8}-15a^{4}z^{8}-6a^{2}z^{8}+7z^{8}+4a^{7}z^{7}+7a^{5}z^{7}-19a^{3}z^{7}-18az^{7}+4z^{7}a^{-1}+2a^{8}z^{6}+5a^{6}z^{6}+19a^{4}z^{6}-4a^{2}z^{6}+z^{6}a^{-2}-19z^{6}+a^{9}z^{5}-9a^{7}z^{5}-12a^{5}z^{5}+19a^{3}z^{5}+11az^{5}-10z^{5}a^{-1}-4a^{8}z^{4}+a^{6}z^{4}+2a^{4}z^{4}+11a^{2}z^{4}-2z^{4}a^{-2}+12z^{4}-3a^{9}z^{3}+8a^{7}z^{3}+20a^{5}z^{3}+4a^{3}z^{3}-az^{3}+4z^{3}a^{-1}+a^{8}z^{2}-8a^{6}z^{2}-13a^{4}z^{2}-7a^{2}z^{2}-3z^{2}+2a^{9}z-4a^{7}z-11a^{5}z-7a^{3}z-2az+4a^{6}+7a^{4}+2a^{2}}
