z 5 a 13 − z 3 a 13 + 4 z 6 a 12 − 4 z 4 a 12 + z 2 a 12 + 9 z 7 a 11 − 13 z 5 a 11 + 9 z 3 a 11 − 3 z a 11 + 12 z 8 a 10 − 17 z 6 a 10 + 11 z 4 a 10 − 5 z 2 a 10 + a 10 + 10 z 9 a 9 − 5 z 7 a 9 − 13 z 5 a 9 + 12 z 3 a 9 − 2 z a 9 + 5 z 10 a 8 + 13 z 8 a 8 − 44 z 6 a 8 + 38 z 4 a 8 − 14 z 2 a 8 + 2 a 8 + z 11 a 7 + 20 z 9 a 7 − 47 z 7 a 7 + 34 z 5 a 7 − 12 z 3 a 7 + 2 z a 7 + 9 z 10 a 6 − 2 z 8 a 6 − 41 z 6 a 6 + 52 z 4 a 6 − 23 z 2 a 6 + 3 a 6 + z 11 a 5 + 16 z 9 a 5 − 52 z 7 a 5 + 52 z 5 a 5 − 21 z 3 a 5 + 2 z a 5 + 4 z 10 a 4 + z 8 a 4 − 32 z 6 a 4 + 44 z 4 a 4 − 20 z 2 a 4 + 3 a 4 + 6 z 9 a 3 − 18 z 7 a 3 + 16 z 5 a 3 − 5 z 3 a 3 + z a 3 + 4 z 8 a 2 − 14 z 6 a 2 + 15 z 4 a 2 − 5 z 2 a 2 + z 7 a − 3 z 5 a + 2 z 3 a {\displaystyle z^{5}a^{13}-z^{3}a^{13}+4z^{6}a^{12}-4z^{4}a^{12}+z^{2}a^{12}+9z^{7}a^{11}-13z^{5}a^{11}+9z^{3}a^{11}-3za^{11}+12z^{8}a^{10}-17z^{6}a^{10}+11z^{4}a^{10}-5z^{2}a^{10}+a^{10}+10z^{9}a^{9}-5z^{7}a^{9}-13z^{5}a^{9}+12z^{3}a^{9}-2za^{9}+5z^{10}a^{8}+13z^{8}a^{8}-44z^{6}a^{8}+38z^{4}a^{8}-14z^{2}a^{8}+2a^{8}+z^{11}a^{7}+20z^{9}a^{7}-47z^{7}a^{7}+34z^{5}a^{7}-12z^{3}a^{7}+2za^{7}+9z^{10}a^{6}-2z^{8}a^{6}-41z^{6}a^{6}+52z^{4}a^{6}-23z^{2}a^{6}+3a^{6}+z^{11}a^{5}+16z^{9}a^{5}-52z^{7}a^{5}+52z^{5}a^{5}-21z^{3}a^{5}+2za^{5}+4z^{10}a^{4}+z^{8}a^{4}-32z^{6}a^{4}+44z^{4}a^{4}-20z^{2}a^{4}+3a^{4}+6z^{9}a^{3}-18z^{7}a^{3}+16z^{5}a^{3}-5z^{3}a^{3}+za^{3}+4z^{8}a^{2}-14z^{6}a^{2}+15z^{4}a^{2}-5z^{2}a^{2}+z^{7}a-3z^{5}a+2z^{3}a}
