z 5 a 13 − 2 z 3 a 13 + z a 13 + 3 z 6 a 12 − 5 z 4 a 12 + z 2 a 12 + 5 z 7 a 11 − 8 z 5 a 11 + 3 z 3 a 11 − 2 z a 11 + 6 z 8 a 10 − 11 z 6 a 10 + 10 z 4 a 10 − 7 z 2 a 10 + 2 a 10 + 5 z 9 a 9 − 8 z 7 a 9 + 5 z 5 a 9 + 2 z 3 a 9 − z a 9 + 2 z 10 a 8 + 5 z 8 a 8 − 24 z 6 a 8 + 36 z 4 a 8 − 18 z 2 a 8 + 4 a 8 + 10 z 9 a 7 − 29 z 7 a 7 + 35 z 5 a 7 − 16 z 3 a 7 + 3 z a 7 + 2 z 10 a 6 + 4 z 8 a 6 − 25 z 6 a 6 + 37 z 4 a 6 − 22 z 2 a 6 + 4 a 6 + 5 z 9 a 5 − 13 z 7 a 5 + 13 z 5 a 5 − 9 z 3 a 5 + z a 5 + 5 z 8 a 4 − 14 z 6 a 4 + 13 z 4 a 4 − 10 z 2 a 4 + 3 a 4 + 3 z 7 a 3 − 8 z 5 a 3 + 4 z 3 a 3 + z 6 a 2 − 3 z 4 a 2 + 2 z 2 a 2 {\displaystyle z^{5}a^{13}-2z^{3}a^{13}+za^{13}+3z^{6}a^{12}-5z^{4}a^{12}+z^{2}a^{12}+5z^{7}a^{11}-8z^{5}a^{11}+3z^{3}a^{11}-2za^{11}+6z^{8}a^{10}-11z^{6}a^{10}+10z^{4}a^{10}-7z^{2}a^{10}+2a^{10}+5z^{9}a^{9}-8z^{7}a^{9}+5z^{5}a^{9}+2z^{3}a^{9}-za^{9}+2z^{10}a^{8}+5z^{8}a^{8}-24z^{6}a^{8}+36z^{4}a^{8}-18z^{2}a^{8}+4a^{8}+10z^{9}a^{7}-29z^{7}a^{7}+35z^{5}a^{7}-16z^{3}a^{7}+3za^{7}+2z^{10}a^{6}+4z^{8}a^{6}-25z^{6}a^{6}+37z^{4}a^{6}-22z^{2}a^{6}+4a^{6}+5z^{9}a^{5}-13z^{7}a^{5}+13z^{5}a^{5}-9z^{3}a^{5}+za^{5}+5z^{8}a^{4}-14z^{6}a^{4}+13z^{4}a^{4}-10z^{2}a^{4}+3a^{4}+3z^{7}a^{3}-8z^{5}a^{3}+4z^{3}a^{3}+z^{6}a^{2}-3z^{4}a^{2}+2z^{2}a^{2}}