z 5 a 17 − z 3 a 17 + 4 z 6 a 16 − 4 z 4 a 16 + z 2 a 16 + 9 z 7 a 15 − 11 z 5 a 15 + 7 z 3 a 15 − 2 z a 15 + 14 z 8 a 14 − 20 z 6 a 14 + 14 z 4 a 14 − 3 z 2 a 14 + 15 z 9 a 13 − 18 z 7 a 13 + 2 z 5 a 13 + 8 z 3 a 13 − 3 z a 13 + 11 z 10 a 12 − 3 z 8 a 12 − 24 z 6 a 12 + 20 z 4 a 12 − 3 z 2 a 12 + 5 z 11 a 11 + 14 z 9 a 11 − 46 z 7 a 11 + 26 z 5 a 11 + z 3 a 11 − 4 z a 11 + z 12 a 10 + 18 z 10 a 10 − 40 z 8 a 10 + 13 z 6 a 10 + 7 z 4 a 10 − 7 z 2 a 10 + 2 a 10 + 8 z 11 a 9 − 3 z 9 a 9 − 36 z 7 a 9 + 38 z 5 a 9 − 11 z 3 a 9 + z 12 a 8 + 11 z 10 a 8 − 35 z 8 a 8 + 19 z 6 a 8 + 13 z 4 a 8 − 13 z 2 a 8 + 3 a 8 + 3 z 11 a 7 + z 9 a 7 − 30 z 7 a 7 + 45 z 5 a 7 − 22 z 3 a 7 + 4 z a 7 + 4 z 10 a 6 − 11 z 8 a 6 + z 6 a 6 + 17 z 4 a 6 − 12 z 2 a 6 + 2 a 6 + 3 z 9 a 5 − 13 z 7 a 5 + 19 z 5 a 5 − 10 z 3 a 5 + z a 5 + z 8 a 4 − 5 z 6 a 4 + 9 z 4 a 4 − 7 z 2 a 4 + 2 a 4 {\displaystyle z^{5}a^{17}-z^{3}a^{17}+4z^{6}a^{16}-4z^{4}a^{16}+z^{2}a^{16}+9z^{7}a^{15}-11z^{5}a^{15}+7z^{3}a^{15}-2za^{15}+14z^{8}a^{14}-20z^{6}a^{14}+14z^{4}a^{14}-3z^{2}a^{14}+15z^{9}a^{13}-18z^{7}a^{13}+2z^{5}a^{13}+8z^{3}a^{13}-3za^{13}+11z^{10}a^{12}-3z^{8}a^{12}-24z^{6}a^{12}+20z^{4}a^{12}-3z^{2}a^{12}+5z^{11}a^{11}+14z^{9}a^{11}-46z^{7}a^{11}+26z^{5}a^{11}+z^{3}a^{11}-4za^{11}+z^{12}a^{10}+18z^{10}a^{10}-40z^{8}a^{10}+13z^{6}a^{10}+7z^{4}a^{10}-7z^{2}a^{10}+2a^{10}+8z^{11}a^{9}-3z^{9}a^{9}-36z^{7}a^{9}+38z^{5}a^{9}-11z^{3}a^{9}+z^{12}a^{8}+11z^{10}a^{8}-35z^{8}a^{8}+19z^{6}a^{8}+13z^{4}a^{8}-13z^{2}a^{8}+3a^{8}+3z^{11}a^{7}+z^{9}a^{7}-30z^{7}a^{7}+45z^{5}a^{7}-22z^{3}a^{7}+4za^{7}+4z^{10}a^{6}-11z^{8}a^{6}+z^{6}a^{6}+17z^{4}a^{6}-12z^{2}a^{6}+2a^{6}+3z^{9}a^{5}-13z^{7}a^{5}+19z^{5}a^{5}-10z^{3}a^{5}+za^{5}+z^{8}a^{4}-5z^{6}a^{4}+9z^{4}a^{4}-7z^{2}a^{4}+2a^{4}}