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