z 4 a 12 − z 2 a 12 + 3 z 5 a 11 − 2 z 3 a 11 + 6 z 6 a 10 − 6 z 4 a 10 + 3 z 2 a 10 + 9 z 7 a 9 − 14 z 5 a 9 + 12 z 3 a 9 − 4 z a 9 + 10 z 8 a 8 − 18 z 6 a 8 + 14 z 4 a 8 − 7 z 2 a 8 + 2 a 8 + 8 z 9 a 7 − 11 z 7 a 7 − 5 z 5 a 7 + 10 z 3 a 7 − 5 z a 7 + 4 z 10 a 6 + 5 z 8 a 6 − 42 z 6 a 6 + 50 z 4 a 6 − 26 z 2 a 6 + 5 a 6 + z 11 a 5 + 12 z 9 a 5 − 46 z 7 a 5 + 43 z 5 a 5 − 14 z 3 a 5 + z a 5 + 7 z 10 a 4 − 14 z 8 a 4 − 19 z 6 a 4 + 47 z 4 a 4 − 26 z 2 a 4 + 5 a 4 + z 11 a 3 + 7 z 9 a 3 − 40 z 7 a 3 + 52 z 5 a 3 − 21 z 3 a 3 + 3 z a 3 + 3 z 10 a 2 − 8 z 8 a 2 − 6 z 6 a 2 + 27 z 4 a 2 − 18 z 2 a 2 + 3 a 2 + 3 z 9 a − 14 z 7 a + 21 z 5 a − 11 z 3 a + z a + z 8 − 5 z 6 + 9 z 4 − 7 z 2 + 2 {\displaystyle z^{4}a^{12}-z^{2}a^{12}+3z^{5}a^{11}-2z^{3}a^{11}+6z^{6}a^{10}-6z^{4}a^{10}+3z^{2}a^{10}+9z^{7}a^{9}-14z^{5}a^{9}+12z^{3}a^{9}-4za^{9}+10z^{8}a^{8}-18z^{6}a^{8}+14z^{4}a^{8}-7z^{2}a^{8}+2a^{8}+8z^{9}a^{7}-11z^{7}a^{7}-5z^{5}a^{7}+10z^{3}a^{7}-5za^{7}+4z^{10}a^{6}+5z^{8}a^{6}-42z^{6}a^{6}+50z^{4}a^{6}-26z^{2}a^{6}+5a^{6}+z^{11}a^{5}+12z^{9}a^{5}-46z^{7}a^{5}+43z^{5}a^{5}-14z^{3}a^{5}+za^{5}+7z^{10}a^{4}-14z^{8}a^{4}-19z^{6}a^{4}+47z^{4}a^{4}-26z^{2}a^{4}+5a^{4}+z^{11}a^{3}+7z^{9}a^{3}-40z^{7}a^{3}+52z^{5}a^{3}-21z^{3}a^{3}+3za^{3}+3z^{10}a^{2}-8z^{8}a^{2}-6z^{6}a^{2}+27z^{4}a^{2}-18z^{2}a^{2}+3a^{2}+3z^{9}a-14z^{7}a+21z^{5}a-11z^{3}a+za+z^{8}-5z^{6}+9z^{4}-7z^{2}+2}
