z 6 a 10 − 3 z 4 a 10 + 2 z 2 a 10 + 3 z 7 a 9 − 8 z 5 a 9 + 6 z 3 a 9 − 2 z a 9 + 5 z 8 a 8 − 12 z 6 a 8 + 10 z 4 a 8 − 5 z 2 a 8 + a 8 + 5 z 9 a 7 − 8 z 7 a 7 + 2 z 5 a 7 + 3 z 3 a 7 − 2 z a 7 + 2 z 10 a 6 + 9 z 8 a 6 − 31 z 6 a 6 + 34 z 4 a 6 − 14 z 2 a 6 + 2 a 6 + 12 z 9 a 5 − 21 z 7 a 5 + 11 z 5 a 5 − z 3 a 5 + z a 5 + 2 z 10 a 4 + 15 z 8 a 4 − 37 z 6 a 4 + 28 z 4 a 4 − 8 z 2 a 4 + a 4 + 7 z 9 a 3 − 14 z 5 a 3 + 5 z 3 a 3 + z a 3 + 11 z 8 a 2 − 14 z 6 a 2 + 2 z 4 a 2 − z 2 a 2 + 10 z 7 a − 14 z 5 a + 3 z 3 a + 5 z 6 − 5 z 4 + 1 + z 5 a − 1 {\displaystyle z^{6}a^{10}-3z^{4}a^{10}+2z^{2}a^{10}+3z^{7}a^{9}-8z^{5}a^{9}+6z^{3}a^{9}-2za^{9}+5z^{8}a^{8}-12z^{6}a^{8}+10z^{4}a^{8}-5z^{2}a^{8}+a^{8}+5z^{9}a^{7}-8z^{7}a^{7}+2z^{5}a^{7}+3z^{3}a^{7}-2za^{7}+2z^{10}a^{6}+9z^{8}a^{6}-31z^{6}a^{6}+34z^{4}a^{6}-14z^{2}a^{6}+2a^{6}+12z^{9}a^{5}-21z^{7}a^{5}+11z^{5}a^{5}-z^{3}a^{5}+za^{5}+2z^{10}a^{4}+15z^{8}a^{4}-37z^{6}a^{4}+28z^{4}a^{4}-8z^{2}a^{4}+a^{4}+7z^{9}a^{3}-14z^{5}a^{3}+5z^{3}a^{3}+za^{3}+11z^{8}a^{2}-14z^{6}a^{2}+2z^{4}a^{2}-z^{2}a^{2}+10z^{7}a-14z^{5}a+3z^{3}a+5z^{6}-5z^{4}+1+z^{5}a^{-1}}