z 4 a 12 + 4 z 5 a 11 + 10 z 6 a 10 − 6 z 4 a 10 + 2 z 2 a 10 + 18 z 7 a 9 − 24 z 5 a 9 + 12 z 3 a 9 − 2 z a 9 + 23 z 8 a 8 − 41 z 6 a 8 + 22 z 4 a 8 − 6 z 2 a 8 + a 8 + 21 z 9 a 7 − 39 z 7 a 7 + 12 z 5 a 7 + z 3 a 7 − 2 z a 7 + 12 z 10 a 6 − 7 z 8 a 6 − 47 z 6 a 6 + 51 z 4 a 6 − 19 z 2 a 6 + 3 a 6 + 3 z 11 a 5 + 24 z 9 a 5 − 99 z 7 a 5 + 100 z 5 a 5 − 36 z 3 a 5 + 4 z a 5 + 18 z 10 a 4 − 50 z 8 a 4 + 19 z 6 a 4 + 28 z 4 a 4 − 17 z 2 a 4 + 3 a 4 + 3 z 11 a 3 + 7 z 9 a 3 − 58 z 7 a 3 + 82 z 5 a 3 − 37 z 3 a 3 + 6 z a 3 + 6 z 10 a 2 − 19 z 8 a 2 + 11 z 6 a 2 + 12 z 4 a 2 − 10 z 2 a 2 + a 2 + 4 z 9 a − 16 z 7 a + 22 z 5 a − 12 z 3 a + 2 z a + z 8 − 4 z 6 + 6 z 4 − 4 z 2 + 1 {\displaystyle z^{4}a^{12}+4z^{5}a^{11}+10z^{6}a^{10}-6z^{4}a^{10}+2z^{2}a^{10}+18z^{7}a^{9}-24z^{5}a^{9}+12z^{3}a^{9}-2za^{9}+23z^{8}a^{8}-41z^{6}a^{8}+22z^{4}a^{8}-6z^{2}a^{8}+a^{8}+21z^{9}a^{7}-39z^{7}a^{7}+12z^{5}a^{7}+z^{3}a^{7}-2za^{7}+12z^{10}a^{6}-7z^{8}a^{6}-47z^{6}a^{6}+51z^{4}a^{6}-19z^{2}a^{6}+3a^{6}+3z^{11}a^{5}+24z^{9}a^{5}-99z^{7}a^{5}+100z^{5}a^{5}-36z^{3}a^{5}+4za^{5}+18z^{10}a^{4}-50z^{8}a^{4}+19z^{6}a^{4}+28z^{4}a^{4}-17z^{2}a^{4}+3a^{4}+3z^{11}a^{3}+7z^{9}a^{3}-58z^{7}a^{3}+82z^{5}a^{3}-37z^{3}a^{3}+6za^{3}+6z^{10}a^{2}-19z^{8}a^{2}+11z^{6}a^{2}+12z^{4}a^{2}-10z^{2}a^{2}+a^{2}+4z^{9}a-16z^{7}a+22z^{5}a-12z^{3}a+2za+z^{8}-4z^{6}+6z^{4}-4z^{2}+1}