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 − 4 z 4 a 10 + z 2 a 10 + 7 z 7 a 9 − 8 z 5 a 9 + 3 z 3 a 9 + z a 9 + 8 z 8 a 8 − 14 z 6 a 8 + 11 z 4 a 8 − 4 z 2 a 8 + a 8 + 6 z 9 a 7 − 8 z 7 a 7 − 2 z 5 a 7 + 4 z 3 a 7 − z a 7 + 2 z 10 a 6 + 9 z 8 a 6 − 40 z 6 a 6 + 43 z 4 a 6 − 19 z 2 a 6 + 3 a 6 + 11 z 9 a 5 − 32 z 7 a 5 + 24 z 5 a 5 − 6 z 3 a 5 + 2 z 10 a 4 + 5 z 8 a 4 − 36 z 6 a 4 + 43 z 4 a 4 − 17 z 2 a 4 + 2 a 4 + 5 z 9 a 3 − 16 z 7 a 3 + 12 z 5 a 3 − 2 z 3 a 3 + z a 3 + 4 z 8 a 2 − 15 z 6 a 2 + 16 z 4 a 2 − 4 z 2 a 2 − a 2 + z 7 a − 3 z 5 a + 2 z 3 a {\displaystyle z^{4}a^{12}-z^{2}a^{12}+3z^{5}a^{11}-3z^{3}a^{11}+za^{11}+5z^{6}a^{10}-4z^{4}a^{10}+z^{2}a^{10}+7z^{7}a^{9}-8z^{5}a^{9}+3z^{3}a^{9}+za^{9}+8z^{8}a^{8}-14z^{6}a^{8}+11z^{4}a^{8}-4z^{2}a^{8}+a^{8}+6z^{9}a^{7}-8z^{7}a^{7}-2z^{5}a^{7}+4z^{3}a^{7}-za^{7}+2z^{10}a^{6}+9z^{8}a^{6}-40z^{6}a^{6}+43z^{4}a^{6}-19z^{2}a^{6}+3a^{6}+11z^{9}a^{5}-32z^{7}a^{5}+24z^{5}a^{5}-6z^{3}a^{5}+2z^{10}a^{4}+5z^{8}a^{4}-36z^{6}a^{4}+43z^{4}a^{4}-17z^{2}a^{4}+2a^{4}+5z^{9}a^{3}-16z^{7}a^{3}+12z^{5}a^{3}-2z^{3}a^{3}+za^{3}+4z^{8}a^{2}-15z^{6}a^{2}+16z^{4}a^{2}-4z^{2}a^{2}-a^{2}+z^{7}a-3z^{5}a+2z^{3}a}
