3 z 3 a 11 − 3 z a 11 + z 6 a 10 + 2 z 4 a 10 − z 2 a 10 + 2 z 7 a 9 + z a 9 + 2 z 8 a 8 − 3 z 4 a 8 + 6 z 2 a 8 − 3 a 8 + z 9 a 7 + 2 z 7 a 7 − 2 z 5 a 7 − 6 z 3 a 7 + 5 z a 7 + 5 z 8 a 6 − 10 z 6 a 6 + 3 z 4 a 6 + 3 z 2 a 6 − 4 a 6 + z 9 a 5 + 3 z 7 a 5 − 12 z 5 a 5 + 5 z 3 a 5 + z a 5 + 3 z 8 a 4 − 8 z 6 a 4 + 5 z 4 a 4 − 2 z 2 a 4 + 3 z 7 a 3 − 10 z 5 a 3 + 8 z 3 a 3 + z 6 a 2 − 3 z 4 a 2 + 2 z 2 a 2 {\displaystyle 3z^{3}a^{11}-3za^{11}+z^{6}a^{10}+2z^{4}a^{10}-z^{2}a^{10}+2z^{7}a^{9}+za^{9}+2z^{8}a^{8}-3z^{4}a^{8}+6z^{2}a^{8}-3a^{8}+z^{9}a^{7}+2z^{7}a^{7}-2z^{5}a^{7}-6z^{3}a^{7}+5za^{7}+5z^{8}a^{6}-10z^{6}a^{6}+3z^{4}a^{6}+3z^{2}a^{6}-4a^{6}+z^{9}a^{5}+3z^{7}a^{5}-12z^{5}a^{5}+5z^{3}a^{5}+za^{5}+3z^{8}a^{4}-8z^{6}a^{4}+5z^{4}a^{4}-2z^{2}a^{4}+3z^{7}a^{3}-10z^{5}a^{3}+8z^{3}a^{3}+z^{6}a^{2}-3z^{4}a^{2}+2z^{2}a^{2}}
