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 − 10 z 5 a 11 + 7 z 3 a 11 − 2 z a 11 + 6 z 8 a 10 − 11 z 6 a 10 + 8 z 4 a 10 + 6 z 9 a 9 − 11 z 7 a 9 + 8 z 5 a 9 + 4 z 3 a 9 − 2 z a 9 + 5 z 10 a 8 − 11 z 8 a 8 + 16 z 6 a 8 − 12 z 4 a 8 + 7 z 2 a 8 − a 8 + 2 z 11 a 7 + 3 z 9 a 7 − 17 z 7 a 7 + 23 z 5 a 7 − 11 z 3 a 7 + 10 z 10 a 6 − 33 z 8 a 6 + 48 z 6 a 6 − 41 z 4 a 6 + 14 z 2 a 6 − a 6 + 2 z 11 a 5 + 3 z 9 a 5 − 21 z 7 a 5 + 21 z 5 a 5 − 10 z 3 a 5 + z a 5 + 5 z 10 a 4 − 12 z 8 a 4 + 4 z 6 a 4 − 2 z 4 a 4 + 3 z 2 a 4 + 6 z 9 a 3 − 19 z 7 a 3 + 14 z 5 a 3 − 2 z 3 a 3 + z a 3 + 4 z 8 a 2 − 14 z 6 a 2 + 13 z 4 a 2 − 2 z 2 a 2 − a 2 + z 7 a − 3 z 5 a + 2 z 3 a {\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}-10z^{5}a^{11}+7z^{3}a^{11}-2za^{11}+6z^{8}a^{10}-11z^{6}a^{10}+8z^{4}a^{10}+6z^{9}a^{9}-11z^{7}a^{9}+8z^{5}a^{9}+4z^{3}a^{9}-2za^{9}+5z^{10}a^{8}-11z^{8}a^{8}+16z^{6}a^{8}-12z^{4}a^{8}+7z^{2}a^{8}-a^{8}+2z^{11}a^{7}+3z^{9}a^{7}-17z^{7}a^{7}+23z^{5}a^{7}-11z^{3}a^{7}+10z^{10}a^{6}-33z^{8}a^{6}+48z^{6}a^{6}-41z^{4}a^{6}+14z^{2}a^{6}-a^{6}+2z^{11}a^{5}+3z^{9}a^{5}-21z^{7}a^{5}+21z^{5}a^{5}-10z^{3}a^{5}+za^{5}+5z^{10}a^{4}-12z^{8}a^{4}+4z^{6}a^{4}-2z^{4}a^{4}+3z^{2}a^{4}+6z^{9}a^{3}-19z^{7}a^{3}+14z^{5}a^{3}-2z^{3}a^{3}+za^{3}+4z^{8}a^{2}-14z^{6}a^{2}+13z^{4}a^{2}-2z^{2}a^{2}-a^{2}+z^{7}a-3z^{5}a+2z^{3}a}
