z 5 a 13 − 2 z 3 a 13 + 3 z 6 a 12 − 6 z 4 a 12 + 2 z 2 a 12 + 5 z 7 a 11 − 11 z 5 a 11 + 8 z 3 a 11 − 2 z a 11 + 5 z 8 a 10 − 10 z 6 a 10 + 8 z 4 a 10 − z 2 a 10 + 3 z 9 a 9 − 3 z 7 a 9 + z 5 a 9 + 2 z 3 a 9 − z a 9 + z 10 a 8 + 2 z 8 a 8 − 2 z 6 a 8 − z 4 a 8 + 4 z 2 a 8 − a 8 + 4 z 9 a 7 − 10 z 7 a 7 + 20 z 5 a 7 − 17 z 3 a 7 + z a 7 + z 10 a 6 − 3 z 8 a 6 + 15 z 6 a 6 − 24 z 4 a 6 + 11 z 2 a 6 + z 9 a 5 − 2 z 7 a 5 + 8 z 5 a 5 − 11 z 3 a 5 + z a 5 + 4 z 6 a 4 − 9 z 4 a 4 + 4 z 2 a 4 + 2 a 4 + z 5 a 3 − 2 z 3 a 3 + z a 3 {\displaystyle z^{5}a^{13}-2z^{3}a^{13}+3z^{6}a^{12}-6z^{4}a^{12}+2z^{2}a^{12}+5z^{7}a^{11}-11z^{5}a^{11}+8z^{3}a^{11}-2za^{11}+5z^{8}a^{10}-10z^{6}a^{10}+8z^{4}a^{10}-z^{2}a^{10}+3z^{9}a^{9}-3z^{7}a^{9}+z^{5}a^{9}+2z^{3}a^{9}-za^{9}+z^{10}a^{8}+2z^{8}a^{8}-2z^{6}a^{8}-z^{4}a^{8}+4z^{2}a^{8}-a^{8}+4z^{9}a^{7}-10z^{7}a^{7}+20z^{5}a^{7}-17z^{3}a^{7}+za^{7}+z^{10}a^{6}-3z^{8}a^{6}+15z^{6}a^{6}-24z^{4}a^{6}+11z^{2}a^{6}+z^{9}a^{5}-2z^{7}a^{5}+8z^{5}a^{5}-11z^{3}a^{5}+za^{5}+4z^{6}a^{4}-9z^{4}a^{4}+4z^{2}a^{4}+2a^{4}+z^{5}a^{3}-2z^{3}a^{3}+za^{3}}
