2 a 4 z 10 + 2 a 2 z 10 + 5 a 5 z 9 + 11 a 3 z 9 + 6 a z 9 + 7 a 6 z 8 + 9 a 4 z 8 + 9 a 2 z 8 + 7 z 8 + 6 a 7 z 7 − 21 a 3 z 7 − 11 a z 7 + 4 z 7 a − 1 + 3 a 8 z 6 − 10 a 6 z 6 − 25 a 4 z 6 − 32 a 2 z 6 + z 6 a − 2 − 19 z 6 + a 9 z 5 − 10 a 7 z 5 − 13 a 5 z 5 + 10 a 3 z 5 + 2 a z 5 − 10 z 5 a − 1 − 4 a 8 z 4 + 8 a 6 z 4 + 25 a 4 z 4 + 30 a 2 z 4 − 2 z 4 a − 2 + 15 z 4 − 2 a 9 z 3 + 8 a 7 z 3 + 17 a 5 z 3 + 5 a 3 z 3 + 3 a z 3 + 5 z 3 a − 1 + a 8 z 2 − 7 a 6 z 2 − 14 a 4 z 2 − 10 a 2 z 2 − 4 z 2 + a 9 z − 4 a 7 z − 8 a 5 z − 4 a 3 z − a z + 3 a 6 + 5 a 4 + a 2 {\displaystyle 2a^{4}z^{10}+2a^{2}z^{10}+5a^{5}z^{9}+11a^{3}z^{9}+6az^{9}+7a^{6}z^{8}+9a^{4}z^{8}+9a^{2}z^{8}+7z^{8}+6a^{7}z^{7}-21a^{3}z^{7}-11az^{7}+4z^{7}a^{-1}+3a^{8}z^{6}-10a^{6}z^{6}-25a^{4}z^{6}-32a^{2}z^{6}+z^{6}a^{-2}-19z^{6}+a^{9}z^{5}-10a^{7}z^{5}-13a^{5}z^{5}+10a^{3}z^{5}+2az^{5}-10z^{5}a^{-1}-4a^{8}z^{4}+8a^{6}z^{4}+25a^{4}z^{4}+30a^{2}z^{4}-2z^{4}a^{-2}+15z^{4}-2a^{9}z^{3}+8a^{7}z^{3}+17a^{5}z^{3}+5a^{3}z^{3}+3az^{3}+5z^{3}a^{-1}+a^{8}z^{2}-7a^{6}z^{2}-14a^{4}z^{2}-10a^{2}z^{2}-4z^{2}+a^{9}z-4a^{7}z-8a^{5}z-4a^{3}z-az+3a^{6}+5a^{4}+a^{2}}
