z 6 a 10 − 3 z 4 a 10 + z 2 a 10 + 3 z 7 a 9 − 11 z 5 a 9 + 9 z 3 a 9 − z a 9 + 3 z 8 a 8 − 10 z 6 a 8 + 8 z 4 a 8 − 2 z 2 a 8 + z 9 a 7 + 2 z 7 a 7 − 15 z 5 a 7 + 16 z 3 a 7 − 4 z a 7 + 5 z 8 a 6 − 16 z 6 a 6 + 18 z 4 a 6 − 8 z 2 a 6 + a 6 + z 9 a 5 + z 7 a 5 − 6 z 5 a 5 + 8 z 3 a 5 − 3 z a 5 + 2 z 8 a 4 − 3 z 6 a 4 + 6 z 4 a 4 − 6 z 2 a 4 + 2 a 4 + 2 z 7 a 3 − 2 z 3 a 3 + z a 3 + 2 z 6 a 2 − 3 z 2 a 2 + a 2 + 2 z 5 a − 3 z 3 a + z a + z 4 − 2 z 2 + 1 {\displaystyle z^{6}a^{10}-3z^{4}a^{10}+z^{2}a^{10}+3z^{7}a^{9}-11z^{5}a^{9}+9z^{3}a^{9}-za^{9}+3z^{8}a^{8}-10z^{6}a^{8}+8z^{4}a^{8}-2z^{2}a^{8}+z^{9}a^{7}+2z^{7}a^{7}-15z^{5}a^{7}+16z^{3}a^{7}-4za^{7}+5z^{8}a^{6}-16z^{6}a^{6}+18z^{4}a^{6}-8z^{2}a^{6}+a^{6}+z^{9}a^{5}+z^{7}a^{5}-6z^{5}a^{5}+8z^{3}a^{5}-3za^{5}+2z^{8}a^{4}-3z^{6}a^{4}+6z^{4}a^{4}-6z^{2}a^{4}+2a^{4}+2z^{7}a^{3}-2z^{3}a^{3}+za^{3}+2z^{6}a^{2}-3z^{2}a^{2}+a^{2}+2z^{5}a-3z^{3}a+za+z^{4}-2z^{2}+1}
