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

\toprule \multicolumn{1}{c}{{Node}}&& \multicolumn{1}{c}{{Laurent polynomial}} && \multicolumn{2}{c}{{Mutations from Figure~\ref{fig:9a}}} \\ \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:9a}}} \\ \midrule \endhead

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

\bottomrule \endlastfoot

41 && $\frac{x^3}{y^2z^2}+\frac{2x^2}{yz}+x+\frac{2x}{yz}+y+z+\frac{1}{x}$ && $292 \colon {}$ & $\left(\frac{x+y}{x^2},\frac{z(x+y)}{x},\frac{x+y}{x^2yz}\right)$ \spacer \\* 
 &&  && $797 \colon {}$ & $\left(\frac{(x^2yz+1)^2}{x^5y^2z^2},\frac{(x^2yz+1)^2}{x^4y^2z},\frac{(x^2yz+1)^2}{x^4yz^2}\right)$ \bottomspacer \\ \addlinespace[1.1ex]
 \rowcolor[gray]{0.95}
292 && $x+y+z+\frac{yz}{x}+\frac{2y}{x}+\frac{1}{x}+\frac{1}{xyz}+\frac{y}{x^2}+\frac{1}{x^2z}$ && $41 \colon {}$ & $\left(\frac{x^2+yz}{xyz},\frac{x(x^2+yz)}{y^2z^2},\frac{yz^2}{x^2+yz}\right)$ \bottomspacer \\ \addlinespace[1.1ex]
 797 && $x+y+z+\frac{1}{x}+\frac{2}{x^2z}+\frac{2}{x^2y}+\frac{2}{x^2yz}+\frac{2}{x^3yz}+\frac{1}{x^4yz^2}+\frac{1}{x^4y^2z}+\frac{1}{x^5y^2z^2}$ && $41 \colon {}$ & $\left(\frac{(x^2+yz)^2}{xy^2z^2},\frac{y^2z^3}{(x^2+yz)^2},\frac{y^3z^2}{(x^2+yz)^2}\right)$ \bottomspacer \\ \addlinespace[1.1ex]
 \end{longtable}
\end{center}
