z 7 a 11 − 3 z 5 a 11 + 2 z 3 a 11 + 4 z 8 a 10 − 13 z 6 a 10 + 11 z 4 a 10 − 2 z 2 a 10 + 7 z 9 a 9 − 23 z 7 a 9 + 22 z 5 a 9 − 10 z 3 a 9 + 2 z a 9 + 6 z 10 a 8 − 14 z 8 a 8 + 3 z 6 a 8 + z 4 a 8 + 2 z 11 a 7 + 8 z 9 a 7 − 41 z 7 a 7 + 46 z 5 a 7 − 23 z 3 a 7 + 3 z a 7 + 11 z 10 a 6 − 31 z 8 a 6 + 26 z 6 a 6 − 6 z 4 a 6 − 4 z 2 a 6 + 2 a 6 + 2 z 11 a 5 + 6 z 9 a 5 − 32 z 7 a 5 + 45 z 5 a 5 − 22 z 3 a 5 + 3 z a 5 + 5 z 10 a 4 − 11 z 8 a 4 + 7 z 6 a 4 + 14 z 4 a 4 − 14 z 2 a 4 + 4 a 4 + 5 z 9 a 3 − 15 z 7 a 3 + 28 z 5 a 3 − 16 z 3 a 3 + 3 z a 3 + 2 z 8 a 2 − 3 z 6 a 2 + 11 z 4 a 2 − 10 z 2 a 2 + 2 a 2 + 4 z 5 a − 5 z 3 a + z a + z 4 − 2 z 2 + 1 {\displaystyle z^{7}a^{11}-3z^{5}a^{11}+2z^{3}a^{11}+4z^{8}a^{10}-13z^{6}a^{10}+11z^{4}a^{10}-2z^{2}a^{10}+7z^{9}a^{9}-23z^{7}a^{9}+22z^{5}a^{9}-10z^{3}a^{9}+2za^{9}+6z^{10}a^{8}-14z^{8}a^{8}+3z^{6}a^{8}+z^{4}a^{8}+2z^{11}a^{7}+8z^{9}a^{7}-41z^{7}a^{7}+46z^{5}a^{7}-23z^{3}a^{7}+3za^{7}+11z^{10}a^{6}-31z^{8}a^{6}+26z^{6}a^{6}-6z^{4}a^{6}-4z^{2}a^{6}+2a^{6}+2z^{11}a^{5}+6z^{9}a^{5}-32z^{7}a^{5}+45z^{5}a^{5}-22z^{3}a^{5}+3za^{5}+5z^{10}a^{4}-11z^{8}a^{4}+7z^{6}a^{4}+14z^{4}a^{4}-14z^{2}a^{4}+4a^{4}+5z^{9}a^{3}-15z^{7}a^{3}+28z^{5}a^{3}-16z^{3}a^{3}+3za^{3}+2z^{8}a^{2}-3z^{6}a^{2}+11z^{4}a^{2}-10z^{2}a^{2}+2a^{2}+4z^{5}a-5z^{3}a+za+z^{4}-2z^{2}+1}