q 11 − 2 q 10 + 3 q 9 − 4 q 8 + 3 q 7 − 3 q 6 + 2 q 5 − q 4 + q 3 + q 2 {\displaystyle q^{11}-2q^{10}+3q^{9}-4q^{8}+3q^{7}-3q^{6}+2q^{5}-q^{4}+q^{3}+q^{2}}