3 t 9 q 23 + 8 t 8 q 21 + 3 t 8 q 19 + 17 t 7 q 19 + 8 t 7 q 17 + 23 t 6 q 17 + 17 t 6 q 15 + 30 t 5 q 15 + 23 t 5 q 13 + 31 t 4 q 13 + 30 t 4 q 11 + 29 t 3 q 11 + 31 t 3 q 9 + 24 t 2 q 9 + 29 t 2 q 7 + 15 t q 7 + 24 t q 5 + 9 q 5 + 3 q 3 t − 1 + 16 q 3 + 8 q t − 1 + q t − 2 + 3 q − 1 t − 2 + q − 3 t − 3 {\displaystyle 3t^{9}q^{23}+8t^{8}q^{21}+3t^{8}q^{19}+17t^{7}q^{19}+8t^{7}q^{17}+23t^{6}q^{17}+17t^{6}q^{15}+30t^{5}q^{15}+23t^{5}q^{13}+31t^{4}q^{13}+30t^{4}q^{11}+29t^{3}q^{11}+31t^{3}q^{9}+24t^{2}q^{9}+29t^{2}q^{7}+15tq^{7}+24tq^{5}+9q^{5}+3q^{3}t^{-1}+16q^{3}+8qt^{-1}+qt^{-2}+3q^{-1}t^{-2}+q^{-3}t^{-3}}
