− q 34 − q 32 − q 30 − q 28 − q 26 − q 24 + q 20 + 2 q 18 + 2 q 16 + 2 q 14 + 2 q 12 + 2 q 10 + q 8 + q 6 {\displaystyle -q^{34}-q^{32}-q^{30}-q^{28}-q^{26}-q^{24}+q^{20}+2q^{18}+2q^{16}+2q^{14}+2q^{12}+2q^{10}+q^{8}+q^{6}}