z 6 a 10 − 2 z 4 a 10 + z 2 a 10 + 4 z 7 a 9 − 9 z 5 a 9 + 5 z 3 a 9 − z a 9 + 7 z 8 a 8 − 16 z 6 a 8 + 8 z 4 a 8 − 3 z 2 a 8 + a 8 + 6 z 9 a 7 − 9 z 7 a 7 − 4 z 5 a 7 + 3 z 3 a 7 + 2 z 10 a 6 + 8 z 8 a 6 − 30 z 6 a 6 + 28 z 4 a 6 − 14 z 2 a 6 + 3 a 6 + 10 z 9 a 5 − 24 z 7 a 5 + 24 z 5 a 5 − 13 z 3 a 5 + 4 z a 5 + 2 z 10 a 4 + 3 z 8 a 4 − 16 z 6 a 4 + 29 z 4 a 4 − 18 z 2 a 4 + 3 a 4 + 4 z 9 a 3 − 11 z 7 a 3 + 23 z 5 a 3 − 15 z 3 a 3 + 4 z a 3 + 2 z 8 a 2 − 3 z 6 a 2 + 12 z 4 a 2 − 10 z 2 a 2 + a 2 + 4 z 5 a − 4 z 3 a + z a + z 4 − 2 z 2 + 1 {\displaystyle z^{6}a^{10}-2z^{4}a^{10}+z^{2}a^{10}+4z^{7}a^{9}-9z^{5}a^{9}+5z^{3}a^{9}-za^{9}+7z^{8}a^{8}-16z^{6}a^{8}+8z^{4}a^{8}-3z^{2}a^{8}+a^{8}+6z^{9}a^{7}-9z^{7}a^{7}-4z^{5}a^{7}+3z^{3}a^{7}+2z^{10}a^{6}+8z^{8}a^{6}-30z^{6}a^{6}+28z^{4}a^{6}-14z^{2}a^{6}+3a^{6}+10z^{9}a^{5}-24z^{7}a^{5}+24z^{5}a^{5}-13z^{3}a^{5}+4za^{5}+2z^{10}a^{4}+3z^{8}a^{4}-16z^{6}a^{4}+29z^{4}a^{4}-18z^{2}a^{4}+3a^{4}+4z^{9}a^{3}-11z^{7}a^{3}+23z^{5}a^{3}-15z^{3}a^{3}+4za^{3}+2z^{8}a^{2}-3z^{6}a^{2}+12z^{4}a^{2}-10z^{2}a^{2}+a^{2}+4z^{5}a-4z^{3}a+za+z^{4}-2z^{2}+1}
