z 4 a 12 − z 2 a 12 + 3 z 5 a 11 − 3 z 3 a 11 + z a 11 + 5 z 6 a 10 − 5 z 4 a 10 + 2 z 2 a 10 + 6 z 7 a 9 − 6 z 5 a 9 + z 3 a 9 + z a 9 + 6 z 8 a 8 − 8 z 6 a 8 + 4 z 4 a 8 − 3 z 2 a 8 + a 8 + 5 z 9 a 7 − 8 z 7 a 7 + 3 z 5 a 7 − 2 z 3 a 7 + 3 z 10 a 6 − 2 z 8 a 6 − 13 z 6 a 6 + 20 z 4 a 6 − 14 z 2 a 6 + 3 a 6 + z 11 a 5 + 4 z 9 a 5 − 21 z 7 a 5 + 20 z 5 a 5 − 5 z 3 a 5 + 5 z 10 a 4 − 15 z 8 a 4 + z 6 a 4 + 23 z 4 a 4 − 19 z 2 a 4 + 5 a 4 + z 11 a 3 + z 9 a 3 − 17 z 7 a 3 + 23 z 5 a 3 − 7 z 3 a 3 + z a 3 + 2 z 10 a 2 − 6 z 8 a 2 − 5 z 6 a 2 + 25 z 4 a 2 − 21 z 2 a 2 + 5 a 2 + 2 z 9 a − 10 z 7 a + 15 z 5 a − 8 z 3 a + z a + z 8 − 6 z 6 + 12 z 4 − 10 z 2 + 3 {\displaystyle z^{4}a^{12}-z^{2}a^{12}+3z^{5}a^{11}-3z^{3}a^{11}+za^{11}+5z^{6}a^{10}-5z^{4}a^{10}+2z^{2}a^{10}+6z^{7}a^{9}-6z^{5}a^{9}+z^{3}a^{9}+za^{9}+6z^{8}a^{8}-8z^{6}a^{8}+4z^{4}a^{8}-3z^{2}a^{8}+a^{8}+5z^{9}a^{7}-8z^{7}a^{7}+3z^{5}a^{7}-2z^{3}a^{7}+3z^{10}a^{6}-2z^{8}a^{6}-13z^{6}a^{6}+20z^{4}a^{6}-14z^{2}a^{6}+3a^{6}+z^{11}a^{5}+4z^{9}a^{5}-21z^{7}a^{5}+20z^{5}a^{5}-5z^{3}a^{5}+5z^{10}a^{4}-15z^{8}a^{4}+z^{6}a^{4}+23z^{4}a^{4}-19z^{2}a^{4}+5a^{4}+z^{11}a^{3}+z^{9}a^{3}-17z^{7}a^{3}+23z^{5}a^{3}-7z^{3}a^{3}+za^{3}+2z^{10}a^{2}-6z^{8}a^{2}-5z^{6}a^{2}+25z^{4}a^{2}-21z^{2}a^{2}+5a^{2}+2z^{9}a-10z^{7}a+15z^{5}a-8z^{3}a+za+z^{8}-6z^{6}+12z^{4}-10z^{2}+3}