z 5 a 13 + 5 z 6 a 12 − z 4 a 12 + 14 z 7 a 11 − 9 z 5 a 11 + 2 z 3 a 11 + 28 z 8 a 10 − 36 z 6 a 10 + 18 z 4 a 10 − 2 z 2 a 10 + 40 z 9 a 9 − 72 z 7 a 9 + 50 z 5 a 9 − 16 z 3 a 9 + z a 9 + 38 z 10 a 8 − 65 z 8 a 8 + 24 z 6 a 8 + z 4 a 8 + z 2 a 8 + 21 z 11 a 7 + 4 z 9 a 7 − 111 z 7 a 7 + 121 z 5 a 7 − 46 z 3 a 7 + 2 z a 7 + 5 z 12 a 6 + 53 z 10 a 6 − 178 z 8 a 6 + 167 z 6 a 6 − 66 z 4 a 6 + 12 z 2 a 6 + a 6 + 33 z 11 a 5 − 63 z 9 a 5 − 23 z 7 a 5 + 87 z 5 a 5 − 44 z 3 a 5 + 4 z a 5 + 5 z 12 a 4 + 26 z 10 a 4 − 120 z 8 a 4 + 141 z 6 a 4 − 68 z 4 a 4 + 15 z 2 a 4 + a 4 + 12 z 11 a 3 − 22 z 9 a 3 − 14 z 7 a 3 + 44 z 5 a 3 − 24 z 3 a 3 + 4 z a 3 + 11 z 10 a 2 − 34 z 8 a 2 + 36 z 6 a 2 − 17 z 4 a 2 + 5 z 2 a 2 − a 2 + 5 z 9 a − 16 z 7 a + 18 z 5 a − 8 z 3 a + z a + z 8 − 3 z 6 + 3 z 4 − z 2 {\displaystyle z^{5}a^{13}+5z^{6}a^{12}-z^{4}a^{12}+14z^{7}a^{11}-9z^{5}a^{11}+2z^{3}a^{11}+28z^{8}a^{10}-36z^{6}a^{10}+18z^{4}a^{10}-2z^{2}a^{10}+40z^{9}a^{9}-72z^{7}a^{9}+50z^{5}a^{9}-16z^{3}a^{9}+za^{9}+38z^{10}a^{8}-65z^{8}a^{8}+24z^{6}a^{8}+z^{4}a^{8}+z^{2}a^{8}+21z^{11}a^{7}+4z^{9}a^{7}-111z^{7}a^{7}+121z^{5}a^{7}-46z^{3}a^{7}+2za^{7}+5z^{12}a^{6}+53z^{10}a^{6}-178z^{8}a^{6}+167z^{6}a^{6}-66z^{4}a^{6}+12z^{2}a^{6}+a^{6}+33z^{11}a^{5}-63z^{9}a^{5}-23z^{7}a^{5}+87z^{5}a^{5}-44z^{3}a^{5}+4za^{5}+5z^{12}a^{4}+26z^{10}a^{4}-120z^{8}a^{4}+141z^{6}a^{4}-68z^{4}a^{4}+15z^{2}a^{4}+a^{4}+12z^{11}a^{3}-22z^{9}a^{3}-14z^{7}a^{3}+44z^{5}a^{3}-24z^{3}a^{3}+4za^{3}+11z^{10}a^{2}-34z^{8}a^{2}+36z^{6}a^{2}-17z^{4}a^{2}+5z^{2}a^{2}-a^{2}+5z^{9}a-16z^{7}a+18z^{5}a-8z^{3}a+za+z^{8}-3z^{6}+3z^{4}-z^{2}}
