\begin{center}
\footnotesize
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\begin{longtable}{rp{0ex}p{9cm}p{0ex}RL}
\caption{Laurent polynomials and selected mutations for bucket 29.}\\

\toprule \multicolumn{1}{c}{{Node}}&& \multicolumn{1}{c}{{Laurent polynomial}} && \multicolumn{2}{c}{{Mutations from Figure~\ref{fig:29a}}} \\ \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:29a}}} \\ \midrule \endhead

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

\bottomrule \endlastfoot

60 && $x+y+\frac{y}{z}+z+\frac{y}{x}+\frac{2}{x}+\frac{1}{xy}$ && $84 \colon {}$ & $\left(\frac{xy+1}{x},xy,\frac{xy}{z}\right)$ \spacer \\* 
 &&  && $269 \colon {}$ & $\left(\frac{xyz+(y+1)^2}{xy},y,\frac{x^2yz}{xyz+(y+1)^2}\right)$ \bottomspacer \\ \addlinespace[1.1ex]
 \rowcolor[gray]{0.95}
84 && $xy+\frac{xy}{z}+x+y+z+\frac{1}{y}+\frac{1}{x}$ && $60 \colon {}$ & $\left(\frac{y+1}{x},\frac{xy}{y+1},\frac{y}{z}\right)$ \bottomspacer \\ \addlinespace[1.1ex]
 269 && $x+y+z+\frac{2y}{x}+\frac{2}{x}+\frac{1}{xy}+\frac{y^2}{x^2z}+\frac{2y}{x^2z}+\frac{1}{x^2z}$ && $60 \colon {}$ & $\left(\frac{xyz+(y+1)^2}{xy},y,\frac{x^2yz}{xyz+(y+1)^2}\right)$ \spacer \\* 
 &&  && $311 \colon {}$ & $\left(x,y,z(y+1)\right)$ \bottomspacer \\ \addlinespace[1.1ex]
 \rowcolor[gray]{0.95}
311 && $x+yz+y+z+\frac{2y}{x}+\frac{2}{x}+\frac{1}{xy}+\frac{y}{x^2z}+\frac{1}{x^2z}$ && $269 \colon {}$ & $\left(x,y,\frac{z}{y+1}\right)$ \bottomspacer \\ \addlinespace[1.1ex]
 \end{longtable}
\end{center}
