z 8 a 12 − 3 z 6 a 12 + 3 z 4 a 12 − z 2 a 12 + 5 z 9 a 11 − 17 z 7 a 11 + 19 z 5 a 11 − 8 z 3 a 11 + z a 11 + 10 z 10 a 10 − 32 z 8 a 10 + 30 z 6 a 10 − 8 z 4 a 10 + 10 z 11 a 9 − 19 z 9 a 9 − 16 z 7 a 9 + 45 z 5 a 9 − 25 z 3 a 9 + 5 z a 9 + 4 z 12 a 8 + 19 z 10 a 8 − 92 z 8 a 8 + 102 z 6 a 8 − 38 z 4 a 8 + 4 z 2 a 8 + 25 z 11 a 7 − 51 z 9 a 7 − 12 z 7 a 7 + 65 z 5 a 7 − 35 z 3 a 7 + 5 z a 7 + 4 z 12 a 6 + 35 z 10 a 6 − 119 z 8 a 6 + 103 z 6 a 6 − 25 z 4 a 6 − 4 z 2 a 6 + 2 a 6 + 15 z 11 a 5 + 2 z 9 a 5 − 73 z 7 a 5 + 76 z 5 a 5 − 26 z 3 a 5 + 2 z a 5 + 26 z 10 a 4 − 37 z 8 a 4 − 2 z 6 a 4 + 19 z 4 a 4 − 10 z 2 a 4 + 3 a 4 + 29 z 9 a 3 − 47 z 7 a 3 + 25 z 5 a 3 − 6 z 3 a 3 + z a 3 + 23 z 8 a 2 − 31 z 6 a 2 + 15 z 4 a 2 − 3 z 2 a 2 + 13 z 7 a − 11 z 5 a + 2 z 3 a + 5 z 6 − 2 z 4 + z 5 a − 1 {\displaystyle z^{8}a^{12}-3z^{6}a^{12}+3z^{4}a^{12}-z^{2}a^{12}+5z^{9}a^{11}-17z^{7}a^{11}+19z^{5}a^{11}-8z^{3}a^{11}+za^{11}+10z^{10}a^{10}-32z^{8}a^{10}+30z^{6}a^{10}-8z^{4}a^{10}+10z^{11}a^{9}-19z^{9}a^{9}-16z^{7}a^{9}+45z^{5}a^{9}-25z^{3}a^{9}+5za^{9}+4z^{12}a^{8}+19z^{10}a^{8}-92z^{8}a^{8}+102z^{6}a^{8}-38z^{4}a^{8}+4z^{2}a^{8}+25z^{11}a^{7}-51z^{9}a^{7}-12z^{7}a^{7}+65z^{5}a^{7}-35z^{3}a^{7}+5za^{7}+4z^{12}a^{6}+35z^{10}a^{6}-119z^{8}a^{6}+103z^{6}a^{6}-25z^{4}a^{6}-4z^{2}a^{6}+2a^{6}+15z^{11}a^{5}+2z^{9}a^{5}-73z^{7}a^{5}+76z^{5}a^{5}-26z^{3}a^{5}+2za^{5}+26z^{10}a^{4}-37z^{8}a^{4}-2z^{6}a^{4}+19z^{4}a^{4}-10z^{2}a^{4}+3a^{4}+29z^{9}a^{3}-47z^{7}a^{3}+25z^{5}a^{3}-6z^{3}a^{3}+za^{3}+23z^{8}a^{2}-31z^{6}a^{2}+15z^{4}a^{2}-3z^{2}a^{2}+13z^{7}a-11z^{5}a+2z^{3}a+5z^{6}-2z^{4}+z^{5}a^{-1}}
