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