2 q 12 − 6 q 11 + 10 q 10 − 16 q 9 + 19 q 8 − 20 q 7 + 19 q 6 − 14 q 5 + 10 q 4 − 4 q 3 + q 2 {\displaystyle 2q^{12}-6q^{11}+10q^{10}-16q^{9}+19q^{8}-20q^{7}+19q^{6}-14q^{5}+10q^{4}-4q^{3}+q^{2}}
