z 7 a 11 − 3 z 5 a 11 + 3 z 3 a 11 − z a 11 + 4 z 8 a 10 − 12 z 6 a 10 + 11 z 4 a 10 − 4 z 2 a 10 + a 10 + 7 z 9 a 9 − 19 z 7 a 9 + 12 z 5 a 9 − 2 z 3 a 9 + z a 9 + 6 z 10 a 8 − 8 z 8 a 8 − 15 z 6 a 8 + 22 z 4 a 8 − 10 z 2 a 8 + 2 a 8 + 2 z 11 a 7 + 12 z 9 a 7 − 47 z 7 a 7 + 45 z 5 a 7 − 21 z 3 a 7 + 4 z a 7 + 12 z 10 a 6 − 23 z 8 a 6 + z 6 a 6 + 13 z 4 a 6 − 7 z 2 a 6 + a 6 + 2 z 11 a 5 + 12 z 9 a 5 − 41 z 7 a 5 + 44 z 5 a 5 − 20 z 3 a 5 + 3 z a 5 + 6 z 10 a 4 − 7 z 8 a 4 + 2 z 6 a 4 + 3 z 4 a 4 + 7 z 9 a 3 − 13 z 7 a 3 + 19 z 5 a 3 − 10 z 3 a 3 + 2 z a 3 + 4 z 8 a 2 − 2 z 6 a 2 + 4 z 4 a 2 − 3 z 2 a 2 + z 7 a + 5 z 5 a − 6 z 3 a + z a + 3 z 4 − 4 z 2 + 1 {\displaystyle z^{7}a^{11}-3z^{5}a^{11}+3z^{3}a^{11}-za^{11}+4z^{8}a^{10}-12z^{6}a^{10}+11z^{4}a^{10}-4z^{2}a^{10}+a^{10}+7z^{9}a^{9}-19z^{7}a^{9}+12z^{5}a^{9}-2z^{3}a^{9}+za^{9}+6z^{10}a^{8}-8z^{8}a^{8}-15z^{6}a^{8}+22z^{4}a^{8}-10z^{2}a^{8}+2a^{8}+2z^{11}a^{7}+12z^{9}a^{7}-47z^{7}a^{7}+45z^{5}a^{7}-21z^{3}a^{7}+4za^{7}+12z^{10}a^{6}-23z^{8}a^{6}+z^{6}a^{6}+13z^{4}a^{6}-7z^{2}a^{6}+a^{6}+2z^{11}a^{5}+12z^{9}a^{5}-41z^{7}a^{5}+44z^{5}a^{5}-20z^{3}a^{5}+3za^{5}+6z^{10}a^{4}-7z^{8}a^{4}+2z^{6}a^{4}+3z^{4}a^{4}+7z^{9}a^{3}-13z^{7}a^{3}+19z^{5}a^{3}-10z^{3}a^{3}+2za^{3}+4z^{8}a^{2}-2z^{6}a^{2}+4z^{4}a^{2}-3z^{2}a^{2}+z^{7}a+5z^{5}a-6z^{3}a+za+3z^{4}-4z^{2}+1}
