\begin{tabular}{|l|l|l|l|l|}
\hline Height of adjustable weight, \( y_{n} \) [mm] & Height of G above water surface.CG [mm] & dxi/dθ [mm/n] & Metacentric Height GM [mm] & Height of M above water surface CM [mm] \\
\hline y1 & & & & \\
\hline y2 & & & & \\
\hline y3 & & & & \\
\hline \( y^{4} \) & & & & \\
\hline \( y^{5} \) & & & & \\
\hline
\end{tabular}
Plot the values of \( \mathrm{dx} / \mathrm{d} \theta \) against CG, the height of G above the water level. Determine the limiting value of CG at which the pontoon losses its stable equilibrium.