a 4 z 10 + a 2 z 10 + a 5 z 9 + 3 a 3 z 9 + 2 a z 9 − 6 a 4 z 8 − 5 a 2 z 8 + z 8 − 7 a 5 z 7 − 20 a 3 z 7 − 13 a z 7 + 9 a 4 z 6 + 3 a 2 z 6 − 6 z 6 + 14 a 5 z 5 + 39 a 3 z 5 + 25 a z 5 − a 6 z 4 − 3 a 4 z 4 + 8 a 2 z 4 + 10 z 4 − 10 a 5 z 3 − 26 a 3 z 3 − 16 a z 3 − a 6 z 2 − 3 a 4 z 2 − 7 a 2 z 2 − 5 z 2 − 2 a 7 z + 4 a 3 z + 2 a z + 2 a 6 + 4 a 4 + 2 a 2 + 1 {\displaystyle a^{4}z^{10}+a^{2}z^{10}+a^{5}z^{9}+3a^{3}z^{9}+2az^{9}-6a^{4}z^{8}-5a^{2}z^{8}+z^{8}-7a^{5}z^{7}-20a^{3}z^{7}-13az^{7}+9a^{4}z^{6}+3a^{2}z^{6}-6z^{6}+14a^{5}z^{5}+39a^{3}z^{5}+25az^{5}-a^{6}z^{4}-3a^{4}z^{4}+8a^{2}z^{4}+10z^{4}-10a^{5}z^{3}-26a^{3}z^{3}-16az^{3}-a^{6}z^{2}-3a^{4}z^{2}-7a^{2}z^{2}-5z^{2}-2a^{7}z+4a^{3}z+2az+2a^{6}+4a^{4}+2a^{2}+1}
