z 3 a 11 − z a 11 + z 6 a 10 + 4 z 4 a 10 − 4 z 2 a 10 + a 10 + 2 z 9 a 9 − 6 z 7 a 9 + 15 z 5 a 9 − 7 z 3 a 9 + z a 9 + 4 z 10 a 8 − 11 z 8 a 8 + 9 z 6 a 8 + 15 z 4 a 8 − 14 z 2 a 8 + 3 a 8 + 2 z 11 a 7 + 5 z 9 a 7 − 34 z 7 a 7 + 52 z 5 a 7 − 25 z 3 a 7 + 3 z a 7 + 11 z 10 a 6 − 27 z 8 a 6 + 2 z 6 a 6 + 32 z 4 a 6 − 24 z 2 a 6 + 5 a 6 + 2 z 11 a 5 + 12 z 9 a 5 − 55 z 7 a 5 + 55 z 5 a 5 − 21 z 3 a 5 + 2 z a 5 + 7 z 10 a 4 − 11 z 8 a 4 − 20 z 6 a 4 + 31 z 4 a 4 − 16 z 2 a 4 + 4 a 4 + 9 z 9 a 3 − 26 z 7 a 3 + 16 z 5 a 3 − 3 z 3 a 3 + z a 3 + 5 z 8 a 2 − 14 z 6 a 2 + 10 z 4 a 2 − 2 z 2 a 2 + z 7 a − 2 z 5 a + z 3 a {\displaystyle z^{3}a^{11}-za^{11}+z^{6}a^{10}+4z^{4}a^{10}-4z^{2}a^{10}+a^{10}+2z^{9}a^{9}-6z^{7}a^{9}+15z^{5}a^{9}-7z^{3}a^{9}+za^{9}+4z^{10}a^{8}-11z^{8}a^{8}+9z^{6}a^{8}+15z^{4}a^{8}-14z^{2}a^{8}+3a^{8}+2z^{11}a^{7}+5z^{9}a^{7}-34z^{7}a^{7}+52z^{5}a^{7}-25z^{3}a^{7}+3za^{7}+11z^{10}a^{6}-27z^{8}a^{6}+2z^{6}a^{6}+32z^{4}a^{6}-24z^{2}a^{6}+5a^{6}+2z^{11}a^{5}+12z^{9}a^{5}-55z^{7}a^{5}+55z^{5}a^{5}-21z^{3}a^{5}+2za^{5}+7z^{10}a^{4}-11z^{8}a^{4}-20z^{6}a^{4}+31z^{4}a^{4}-16z^{2}a^{4}+4a^{4}+9z^{9}a^{3}-26z^{7}a^{3}+16z^{5}a^{3}-3z^{3}a^{3}+za^{3}+5z^{8}a^{2}-14z^{6}a^{2}+10z^{4}a^{2}-2z^{2}a^{2}+z^{7}a-2z^{5}a+z^{3}a}
