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