z 6 a 10 − 3 z 4 a 10 + 2 z 2 a 10 + 3 z 7 a 9 − 10 z 5 a 9 + 8 z 3 a 9 − 2 z a 9 + 3 z 8 a 8 − 8 z 6 a 8 + 3 z 4 a 8 + a 8 + z 9 a 7 + 3 z 7 a 7 − 16 z 5 a 7 + 14 z 3 a 7 − 4 z a 7 + 5 z 8 a 6 − 14 z 6 a 6 + 14 z 4 a 6 − 9 z 2 a 6 + 3 a 6 + z 9 a 5 + z 7 a 5 − 5 z 5 a 5 + 5 z 3 a 5 − z a 5 + 2 z 8 a 4 − 5 z 6 a 4 + 12 z 4 a 4 − 10 z 2 a 4 + 2 a 4 + z 7 a 3 + z 5 a 3 + z a 3 + 4 z 4 a 2 − 3 z 2 a 2 − a 2 + z 3 a {\displaystyle z^{6}a^{10}-3z^{4}a^{10}+2z^{2}a^{10}+3z^{7}a^{9}-10z^{5}a^{9}+8z^{3}a^{9}-2za^{9}+3z^{8}a^{8}-8z^{6}a^{8}+3z^{4}a^{8}+a^{8}+z^{9}a^{7}+3z^{7}a^{7}-16z^{5}a^{7}+14z^{3}a^{7}-4za^{7}+5z^{8}a^{6}-14z^{6}a^{6}+14z^{4}a^{6}-9z^{2}a^{6}+3a^{6}+z^{9}a^{5}+z^{7}a^{5}-5z^{5}a^{5}+5z^{3}a^{5}-za^{5}+2z^{8}a^{4}-5z^{6}a^{4}+12z^{4}a^{4}-10z^{2}a^{4}+2a^{4}+z^{7}a^{3}+z^{5}a^{3}+za^{3}+4z^{4}a^{2}-3z^{2}a^{2}-a^{2}+z^{3}a}
