z 4 a 12 − z 2 a 12 + 3 z 5 a 11 − 2 z 3 a 11 + 6 z 6 a 10 − 6 z 4 a 10 + 3 z 2 a 10 + 9 z 7 a 9 − 15 z 5 a 9 + 14 z 3 a 9 − 5 z a 9 + 9 z 8 a 8 − 15 z 6 a 8 + 10 z 4 a 8 − 4 z 2 a 8 + 2 a 8 + 6 z 9 a 7 − 4 z 7 a 7 − 15 z 5 a 7 + 20 z 3 a 7 − 9 z a 7 + 2 z 10 a 6 + 10 z 8 a 6 − 41 z 6 a 6 + 43 z 4 a 6 − 22 z 2 a 6 + 5 a 6 + 11 z 9 a 5 − 30 z 7 a 5 + 18 z 5 a 5 + z 3 a 5 − 3 z a 5 + 2 z 10 a 4 + 5 z 8 a 4 − 35 z 6 a 4 + 42 z 4 a 4 − 18 z 2 a 4 + 3 a 4 + 5 z 9 a 3 − 16 z 7 a 3 + 12 z 5 a 3 − z 3 a 3 + z a 3 + 4 z 8 a 2 − 15 z 6 a 2 + 16 z 4 a 2 − 4 z 2 a 2 − a 2 + z 7 a − 3 z 5 a + 2 z 3 a {\displaystyle z^{4}a^{12}-z^{2}a^{12}+3z^{5}a^{11}-2z^{3}a^{11}+6z^{6}a^{10}-6z^{4}a^{10}+3z^{2}a^{10}+9z^{7}a^{9}-15z^{5}a^{9}+14z^{3}a^{9}-5za^{9}+9z^{8}a^{8}-15z^{6}a^{8}+10z^{4}a^{8}-4z^{2}a^{8}+2a^{8}+6z^{9}a^{7}-4z^{7}a^{7}-15z^{5}a^{7}+20z^{3}a^{7}-9za^{7}+2z^{10}a^{6}+10z^{8}a^{6}-41z^{6}a^{6}+43z^{4}a^{6}-22z^{2}a^{6}+5a^{6}+11z^{9}a^{5}-30z^{7}a^{5}+18z^{5}a^{5}+z^{3}a^{5}-3za^{5}+2z^{10}a^{4}+5z^{8}a^{4}-35z^{6}a^{4}+42z^{4}a^{4}-18z^{2}a^{4}+3a^{4}+5z^{9}a^{3}-16z^{7}a^{3}+12z^{5}a^{3}-z^{3}a^{3}+za^{3}+4z^{8}a^{2}-15z^{6}a^{2}+16z^{4}a^{2}-4z^{2}a^{2}-a^{2}+z^{7}a-3z^{5}a+2z^{3}a}
