1\begin{tabular}{lr} 2\toprule 3qs & ps \\ 4\midrule 5 M & 0.090909 \\ 6 i & 0.363636 \\ 7 p & 0.181818 \\ 8 s & 0.363636 \\ 9\bottomrule 10\end{tabular} 11 12