2 a 4 z 10 + 2 a 2 z 10 + 8 a 5 z 9 + 11 a 3 z 9 + 3 a z 9 + 13 a 6 z 8 + 17 a 4 z 8 + 5 a 2 z 8 + z 8 + 11 a 7 z 7 + a 5 z 7 − 10 a 3 z 7 + 5 a 8 z 6 − 18 a 6 z 6 − 34 a 4 z 6 − 5 a 2 z 6 + 6 z 6 + a 9 z 5 − 15 a 7 z 5 − 21 a 5 z 5 − 12 a 3 z 5 − 4 a z 5 + 3 z 5 a − 1 − 4 a 8 z 4 + 4 a 6 z 4 + 10 a 4 z 4 − 12 a 2 z 4 − 14 z 4 + 4 a 7 z 3 + 13 a 5 z 3 + 16 a 3 z 3 + 3 a z 3 − 4 z 3 a − 1 + a 6 z 2 + 8 a 4 z 2 + 14 a 2 z 2 + 7 z 2 − 2 a 5 z − 4 a 3 z − 2 a z − a 6 − 3 a 4 − 3 a 2 {\displaystyle 2a^{4}z^{10}+2a^{2}z^{10}+8a^{5}z^{9}+11a^{3}z^{9}+3az^{9}+13a^{6}z^{8}+17a^{4}z^{8}+5a^{2}z^{8}+z^{8}+11a^{7}z^{7}+a^{5}z^{7}-10a^{3}z^{7}+5a^{8}z^{6}-18a^{6}z^{6}-34a^{4}z^{6}-5a^{2}z^{6}+6z^{6}+a^{9}z^{5}-15a^{7}z^{5}-21a^{5}z^{5}-12a^{3}z^{5}-4az^{5}+3z^{5}a^{-1}-4a^{8}z^{4}+4a^{6}z^{4}+10a^{4}z^{4}-12a^{2}z^{4}-14z^{4}+4a^{7}z^{3}+13a^{5}z^{3}+16a^{3}z^{3}+3az^{3}-4z^{3}a^{-1}+a^{6}z^{2}+8a^{4}z^{2}+14a^{2}z^{2}+7z^{2}-2a^{5}z-4a^{3}z-2az-a^{6}-3a^{4}-3a^{2}}