z 8 a 12 − 4 z 6 a 12 + 5 z 4 a 12 − 2 z 2 a 12 + 4 z 9 a 11 − 18 z 7 a 11 + 25 z 5 a 11 − 12 z 3 a 11 + z a 11 + 5 z 10 a 10 − 19 z 8 a 10 + 16 z 6 a 10 + 2 z 4 a 10 − 4 z 2 a 10 + 2 z 11 a 9 + 4 z 9 a 9 − 44 z 7 a 9 + 65 z 5 a 9 − 31 z 3 a 9 + 5 z a 9 + 11 z 10 a 8 − 40 z 8 a 8 + 33 z 6 a 8 − 2 z 4 a 8 − 2 z 2 a 8 + 2 z 11 a 7 + 7 z 9 a 7 − 50 z 7 a 7 + 65 z 5 a 7 − 30 z 3 a 7 + 5 z a 7 + 6 z 10 a 6 − 16 z 8 a 6 + 4 z 6 a 6 + 10 z 4 a 6 − 8 z 2 a 6 + 2 a 6 + 7 z 9 a 5 − 23 z 7 a 5 + 28 z 5 a 5 − 15 z 3 a 5 + 2 z a 5 + 4 z 8 a 4 − 9 z 6 a 4 + 13 z 4 a 4 − 11 z 2 a 4 + 3 a 4 + z 7 a 3 + 3 z 5 a 3 − 3 z 3 a 3 + z a 3 + 4 z 4 a 2 − 3 z 2 a 2 + z 3 a {\displaystyle z^{8}a^{12}-4z^{6}a^{12}+5z^{4}a^{12}-2z^{2}a^{12}+4z^{9}a^{11}-18z^{7}a^{11}+25z^{5}a^{11}-12z^{3}a^{11}+za^{11}+5z^{10}a^{10}-19z^{8}a^{10}+16z^{6}a^{10}+2z^{4}a^{10}-4z^{2}a^{10}+2z^{11}a^{9}+4z^{9}a^{9}-44z^{7}a^{9}+65z^{5}a^{9}-31z^{3}a^{9}+5za^{9}+11z^{10}a^{8}-40z^{8}a^{8}+33z^{6}a^{8}-2z^{4}a^{8}-2z^{2}a^{8}+2z^{11}a^{7}+7z^{9}a^{7}-50z^{7}a^{7}+65z^{5}a^{7}-30z^{3}a^{7}+5za^{7}+6z^{10}a^{6}-16z^{8}a^{6}+4z^{6}a^{6}+10z^{4}a^{6}-8z^{2}a^{6}+2a^{6}+7z^{9}a^{5}-23z^{7}a^{5}+28z^{5}a^{5}-15z^{3}a^{5}+2za^{5}+4z^{8}a^{4}-9z^{6}a^{4}+13z^{4}a^{4}-11z^{2}a^{4}+3a^{4}+z^{7}a^{3}+3z^{5}a^{3}-3z^{3}a^{3}+za^{3}+4z^{4}a^{2}-3z^{2}a^{2}+z^{3}a}
