Data:8 21/Khovanov Rozansky Polynomial

$q^{6}s^{6}t^{-{2}}+q^{6}s^{4}+q^{6}s^{2}t^{2}+q^{4}s^{6}t^{-{4}}+q^{4}s^{4}t^{-{2}}+3q^{4}s^{2}+q^{4}t^{2}+q^{4}s^{-{2}}t^{4}+2q^{2}s^{2}t^{-{2}}+q^{2}+2q^{2}s^{-{2}}t^{2}$