Y_i \sim
\left (
\begin{array}{ccccc}
-\sqrt{3} & -\sqrt{3}/2 & 0 & \sqrt{3}/2 & \sqrt{3} \\
1/9 & 2/9 & 3/9 & 2/9 & 1/9
\end{array}
\right )\\
i=1,\dots,n.