a 8 z 10 + a 6 z 10 + a 9 z 9 + 2 a 7 z 9 + a 5 z 9 − 8 a 8 z 8 − 8 a 6 z 8 − 8 a 9 z 7 − 16 a 7 z 7 − 8 a 5 z 7 + 21 a 8 z 6 + 21 a 6 z 6 + 21 a 9 z 5 + 41 a 7 z 5 + 20 a 5 z 5 − 22 a 8 z 4 − 23 a 6 z 4 − a 4 z 4 − 21 a 9 z 3 − 39 a 7 z 3 − 18 a 5 z 3 + 10 a 8 z 2 + 12 a 6 z 2 + 3 a 4 z 2 + a 2 z 2 + 7 a 9 z + 11 a 7 z + 5 a 5 z + a 3 z − 2 a 8 − 3 a 6 − a 4 − a 2 {\displaystyle a^{8}z^{10}+a^{6}z^{10}+a^{9}z^{9}+2a^{7}z^{9}+a^{5}z^{9}-8a^{8}z^{8}-8a^{6}z^{8}-8a^{9}z^{7}-16a^{7}z^{7}-8a^{5}z^{7}+21a^{8}z^{6}+21a^{6}z^{6}+21a^{9}z^{5}+41a^{7}z^{5}+20a^{5}z^{5}-22a^{8}z^{4}-23a^{6}z^{4}-a^{4}z^{4}-21a^{9}z^{3}-39a^{7}z^{3}-18a^{5}z^{3}+10a^{8}z^{2}+12a^{6}z^{2}+3a^{4}z^{2}+a^{2}z^{2}+7a^{9}z+11a^{7}z+5a^{5}z+a^{3}z-2a^{8}-3a^{6}-a^{4}-a^{2}}
