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