z 4 a 12 − z 2 a 12 + 3 z 5 a 11 − 2 z 3 a 11 + 6 z 6 a 10 − 5 z 4 a 10 + 2 z 2 a 10 + 10 z 7 a 9 − 16 z 5 a 9 + 14 z 3 a 9 − 4 z a 9 + 12 z 8 a 8 − 22 z 6 a 8 + 15 z 4 a 8 − 5 z 2 a 8 + 2 a 8 + 11 z 9 a 7 − 19 z 7 a 7 + 11 z 3 a 7 − 6 z a 7 + 7 z 10 a 6 − 5 z 8 a 6 − 29 z 6 a 6 + 39 z 4 a 6 − 23 z 2 a 6 + 6 a 6 + 2 z 11 a 5 + 14 z 9 a 5 − 64 z 7 a 5 + 70 z 5 a 5 − 29 z 3 a 5 + 2 z a 5 + 12 z 10 a 4 − 34 z 8 a 4 + 8 z 6 a 4 + 31 z 4 a 4 − 24 z 2 a 4 + 6 a 4 + 2 z 11 a 3 + 7 z 9 a 3 − 52 z 7 a 3 + 74 z 5 a 3 − 35 z 3 a 3 + 6 z a 3 + 5 z 10 a 2 − 16 z 8 a 2 + 5 z 6 a 2 + 19 z 4 a 2 − 13 z 2 a 2 + 2 a 2 + 4 z 9 a − 17 z 7 a + 23 z 5 a − 11 z 3 a + 2 z a + z 8 − 4 z 6 + 6 z 4 − 4 z 2 + 1 {\displaystyle z^{4}a^{12}-z^{2}a^{12}+3z^{5}a^{11}-2z^{3}a^{11}+6z^{6}a^{10}-5z^{4}a^{10}+2z^{2}a^{10}+10z^{7}a^{9}-16z^{5}a^{9}+14z^{3}a^{9}-4za^{9}+12z^{8}a^{8}-22z^{6}a^{8}+15z^{4}a^{8}-5z^{2}a^{8}+2a^{8}+11z^{9}a^{7}-19z^{7}a^{7}+11z^{3}a^{7}-6za^{7}+7z^{10}a^{6}-5z^{8}a^{6}-29z^{6}a^{6}+39z^{4}a^{6}-23z^{2}a^{6}+6a^{6}+2z^{11}a^{5}+14z^{9}a^{5}-64z^{7}a^{5}+70z^{5}a^{5}-29z^{3}a^{5}+2za^{5}+12z^{10}a^{4}-34z^{8}a^{4}+8z^{6}a^{4}+31z^{4}a^{4}-24z^{2}a^{4}+6a^{4}+2z^{11}a^{3}+7z^{9}a^{3}-52z^{7}a^{3}+74z^{5}a^{3}-35z^{3}a^{3}+6za^{3}+5z^{10}a^{2}-16z^{8}a^{2}+5z^{6}a^{2}+19z^{4}a^{2}-13z^{2}a^{2}+2a^{2}+4z^{9}a-17z^{7}a+23z^{5}a-11z^{3}a+2za+z^{8}-4z^{6}+6z^{4}-4z^{2}+1}
