z 5 a 13 − 2 z 3 a 13 + z a 13 + 3 z 6 a 12 − 5 z 4 a 12 + 2 z 2 a 12 + 5 z 7 a 11 − 8 z 5 a 11 + 4 z 3 a 11 − z a 11 + 5 z 8 a 10 − 6 z 6 a 10 + 2 z 4 a 10 − z 2 a 10 + 3 z 9 a 9 − 2 z 5 a 9 − 2 z 3 a 9 + 2 z a 9 + z 10 a 8 + 3 z 8 a 8 + z 6 a 8 − 11 z 4 a 8 + 10 z 2 a 8 − 3 a 8 + 4 z 9 a 7 − 6 z 7 a 7 + 12 z 5 a 7 − 16 z 3 a 7 + 6 z a 7 + z 10 a 6 − 2 z 8 a 6 + 14 z 6 a 6 − 26 z 4 a 6 + 17 z 2 a 6 − 4 a 6 + z 9 a 5 − z 7 a 5 + 6 z 5 a 5 − 10 z 3 a 5 + 3 z a 5 + 4 z 6 a 4 − 8 z 4 a 4 + 4 z 2 a 4 + z 5 a 3 − 2 z 3 a 3 + z a 3 {\displaystyle z^{5}a^{13}-2z^{3}a^{13}+za^{13}+3z^{6}a^{12}-5z^{4}a^{12}+2z^{2}a^{12}+5z^{7}a^{11}-8z^{5}a^{11}+4z^{3}a^{11}-za^{11}+5z^{8}a^{10}-6z^{6}a^{10}+2z^{4}a^{10}-z^{2}a^{10}+3z^{9}a^{9}-2z^{5}a^{9}-2z^{3}a^{9}+2za^{9}+z^{10}a^{8}+3z^{8}a^{8}+z^{6}a^{8}-11z^{4}a^{8}+10z^{2}a^{8}-3a^{8}+4z^{9}a^{7}-6z^{7}a^{7}+12z^{5}a^{7}-16z^{3}a^{7}+6za^{7}+z^{10}a^{6}-2z^{8}a^{6}+14z^{6}a^{6}-26z^{4}a^{6}+17z^{2}a^{6}-4a^{6}+z^{9}a^{5}-z^{7}a^{5}+6z^{5}a^{5}-10z^{3}a^{5}+3za^{5}+4z^{6}a^{4}-8z^{4}a^{4}+4z^{2}a^{4}+z^{5}a^{3}-2z^{3}a^{3}+za^{3}}
