2 a 4 z 10 + 2 a 2 z 10 + 4 a 5 z 9 + 7 a 3 z 9 + 3 a z 9 + 3 a 6 z 8 − 5 a 4 z 8 − 7 a 2 z 8 + z 8 + a 7 z 7 − 18 a 5 z 7 − 35 a 3 z 7 − 16 a z 7 − 13 a 6 z 6 − 10 a 4 z 6 − 2 a 2 z 6 − 5 z 6 − 4 a 7 z 5 + 19 a 5 z 5 + 48 a 3 z 5 + 25 a z 5 + 13 a 6 z 4 + 24 a 4 z 4 + 19 a 2 z 4 + 8 z 4 + 3 a 7 z 3 − 5 a 5 z 3 − 20 a 3 z 3 − 12 a z 3 − 5 a 6 z 2 − 13 a 4 z 2 − 13 a 2 z 2 − 5 z 2 − a 7 z + 2 a 3 z + a z + a 6 + 2 a 4 + a 2 + 1 {\displaystyle 2a^{4}z^{10}+2a^{2}z^{10}+4a^{5}z^{9}+7a^{3}z^{9}+3az^{9}+3a^{6}z^{8}-5a^{4}z^{8}-7a^{2}z^{8}+z^{8}+a^{7}z^{7}-18a^{5}z^{7}-35a^{3}z^{7}-16az^{7}-13a^{6}z^{6}-10a^{4}z^{6}-2a^{2}z^{6}-5z^{6}-4a^{7}z^{5}+19a^{5}z^{5}+48a^{3}z^{5}+25az^{5}+13a^{6}z^{4}+24a^{4}z^{4}+19a^{2}z^{4}+8z^{4}+3a^{7}z^{3}-5a^{5}z^{3}-20a^{3}z^{3}-12az^{3}-5a^{6}z^{2}-13a^{4}z^{2}-13a^{2}z^{2}-5z^{2}-a^{7}z+2a^{3}z+az+a^{6}+2a^{4}+a^{2}+1}