\begin{center}
\footnotesize
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\begin{longtable}{rp{0ex}p{9cm}p{0ex}RL}
\caption{Laurent polynomials and selected mutations for bucket 131.}\\

\toprule \multicolumn{1}{c}{{Node}}&& \multicolumn{1}{c}{{Laurent polynomial}} && \multicolumn{2}{c}{{Mutations from Figure~\ref{fig:131a}}} \\ \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:131a}}} \\ \midrule \endhead

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

\bottomrule \endlastfoot

511 && $xy^2+2xy+x+\frac{x}{z}+2y+z+\frac{2}{y}+\frac{1}{x}+\frac{2}{xy}+\frac{1}{xy^2}$ && $1175 \colon {}$ & $\left(\frac{x^3yz^2}{x^2z^2+y(xz+1)^2},\frac{x^2z^2+y(xz+1)^2}{x^2yz},\frac{x^3z^2}{x^2z^2+y(xz+1)^2}\right)$ \bottomspacer \\ \addlinespace[1.1ex]
 \rowcolor[gray]{0.95}
878 && $x+\frac{2x}{y}+\frac{x}{y^2}+\frac{x}{y^2z}+y+z+\frac{3}{y}+\frac{1}{yz}+\frac{2y}{x}+\frac{3}{x}+\frac{y}{x^2}$ && $1262 \colon {}$ & $\left(\frac{x^2yz}{xyz+1},\frac{x}{xyz+1},\frac{xyz+1}{xy}\right)$ \bottomspacer \\ \addlinespace[1.1ex]
 1175 && $xz^2+2xz+x+\frac{xz^2}{y}+y+4z+\frac{2z}{y}+\frac{6}{x}+\frac{2}{xz}+\frac{1}{xy}+\frac{4}{x^2z}+\frac{1}{x^3z^2}$ && $511 \colon {}$ & $\left(\frac{xy^2z+(xy+1)^2}{xy^2},\frac{x}{z},\frac{x^2y^3}{xy^2z+(xy+1)^2}\right)$ \spacer \\* 
 &&  && $1262 \colon {}$ & $\left(x,\frac{xyz+1}{xy},yz\right)$ \bottomspacer \\ \addlinespace[1.1ex]
 \rowcolor[gray]{0.95}
1262 && $xy^2z^2+xy^2z+2xyz+x+4yz+y+z+\frac{6}{x}+\frac{1}{xy}+\frac{2}{xyz}+\frac{4}{x^2yz}+\frac{1}{x^3y^2z^2}$ && $878 \colon {}$ & $\left(x+y,\frac{1}{yz},\frac{xz}{x+y}\right)$ \spacer \\* \rowcolor[gray]{0.95}
 &&  && $1175 \colon {}$ & $\left(x,\frac{y}{xz+1},\frac{z(xz+1)}{y}\right)$ \bottomspacer \\ \addlinespace[1.1ex]
 \end{longtable}
\end{center}
