\begin{center}
\footnotesize
\setlength{\mylength}{\baselineskip}
\begin{longtable}{rp{0ex}p{9cm}p{0ex}RL}
\caption{Laurent polynomials and selected mutations for bucket 16.}\\

\toprule \multicolumn{1}{c}{{Node}}&& \multicolumn{1}{c}{{Laurent polynomial}} && \multicolumn{2}{c}{{Mutations from Figure~\ref{fig:16a}}} \\ \midrule \endfirsthead

\multicolumn{6}{c}{{\tablename\ \thetable{} -- continued from previous page}} \\ \addlinespace[1.7ex] \midrule \multicolumn{1}{c}{{Node}}&& \multicolumn{1}{c}{{Laurent polynomial}} && \multicolumn{2}{c}{{Mutations from Figure~\ref{fig:16a}}} \\ \midrule \endhead

\midrule \multicolumn{6}{c}{{Continued on next page}} \endfoot

\bottomrule \endlastfoot

25 && $x+\frac{x}{z}+y+z+\frac{1}{x}+\frac{1}{xy}$ && $74 \colon {}$ & $\left(\frac{xy}{y+1},z,y\right)$ \bottomspacer \\ \addlinespace[1.1ex]
 \rowcolor[gray]{0.95}
47 && $x+y+z+\frac{1}{x}+\frac{2}{xy}+\frac{1}{xyz}+\frac{1}{x^2y^2z}$ && $74 \colon {}$ & $\left(x,\frac{xyz+1}{xz},\frac{xyz^2}{xyz+1}\right)$ \spacer \\* \rowcolor[gray]{0.95}
 &&  && $469 \colon {}$ & $\left(\frac{x^2yz+xz+1}{x^2z},\frac{x^3yz}{x^2yz+xz+1},\frac{x}{x^2yz+xz+1}\right)$ \spacer \\* \rowcolor[gray]{0.95}
 &&  && $533 \colon {}$ & $\left(\frac{x^3yz}{x^2yz+1},\frac{x^2yz+1}{x^2z},\frac{x}{x^2yz+1}\right)$ \bottomspacer \\ \addlinespace[1.1ex]
 74 && $x+y+z+\frac{1}{x}+\frac{1}{xz}+\frac{1}{xy}+\frac{1}{xyz}$ && $25 \colon {}$ & $\left(\frac{x(z+1)}{z},z,y\right)$ \spacer \\* 
 &&  && $47 \colon {}$ & $\left(x,\frac{xy^2z}{xyz+1},\frac{xyz+1}{xy}\right)$ \spacer \\* 
 &&  && $366 \colon {}$ & $\left(\frac{yz+y+z}{xyz},\frac{xy}{yz+y+z},\frac{xz}{yz+y+z}\right)$ \bottomspacer \\ \addlinespace[1.1ex]
 \rowcolor[gray]{0.95}
366 && $x+y+z+\frac{yz}{x}+\frac{y}{x}+\frac{z}{x}+\frac{1}{x}+\frac{1}{xz}+\frac{1}{xy}$ && $74 \colon {}$ & $\left(\frac{xy+xz+1}{x},\frac{1}{xz},\frac{1}{xy}\right)$ \bottomspacer \\ \addlinespace[1.1ex]
 469 && $x+y+z+\frac{1}{x}+\frac{2z}{xy}+\frac{2}{xy}+\frac{1}{x^2z}+\frac{1}{x^2y}+\frac{z}{x^2y^2}+\frac{1}{x^3y^2}$ && $47 \colon {}$ & $\left(\frac{xy+xz+1}{x},\frac{x^2y}{xy+xz+1},\frac{1}{z(xy+xz+1)}\right)$ \bottomspacer \\ \addlinespace[1.1ex]
 \rowcolor[gray]{0.95}
533 && $x+y+z+\frac{1}{x}+\frac{z}{xy}+\frac{2}{xy}+\frac{1}{x^2z}+\frac{1}{x^2y}+\frac{1}{x^3yz}+\frac{1}{x^3y^2}$ && $47 \colon {}$ & $\left(\frac{(xy+1)(xy^2z+1)}{x^2y^2z},\frac{x^3y^3z}{(xy+1)(xy^2z+1)},\frac{x^2y^3z^2}{(xy+1)(xy^2z+1)}\right)$ \bottomspacer \\ \addlinespace[1.1ex]
 \end{longtable}
\end{center}
