\begin{center}
\footnotesize
\setlength{\mylength}{\baselineskip}
\begin{longtable}{rp{0ex}p{9cm}p{0ex}RL}
\caption{Laurent polynomials and selected mutations for bucket 107.}\\

\toprule \multicolumn{1}{c}{{Node}}&& \multicolumn{1}{c}{{Laurent polynomial}} && \multicolumn{2}{c}{{Mutations from Figure~\ref{fig:107a}}} \\ \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:107a}}} \\ \midrule \endhead

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

\bottomrule \endlastfoot

284 && $x+y+z+\frac{1}{z}+\frac{2}{y}+\frac{y}{x}+\frac{3}{x}+\frac{3}{xy}+\frac{1}{xy^2}$ && $1231 \colon {}$ & $\left(\frac{x^2z}{xz+1},y,\frac{xz+1}{x}\right)$ \bottomspacer \\ \addlinespace[1.1ex]
 \rowcolor[gray]{0.95}
357 && $x+\frac{x}{y}+y+z+\frac{1}{z}+\frac{2}{y}+\frac{y}{x}+\frac{2}{x}+\frac{1}{xy}$ && $1353 \colon {}$ & $\left(\frac{xyz+(y+1)^2}{xy},y,\frac{x^2yz}{xyz+(y+1)^2}\right)$ \bottomspacer \\ \addlinespace[1.1ex]
 1231 && $x+y+z+\frac{2}{y}+\frac{y}{x}+\frac{4}{x}+\frac{3}{xy}+\frac{1}{xy^2}+\frac{y}{x^2z}+\frac{3}{x^2z}+\frac{3}{x^2yz}+\frac{1}{x^2y^2z}$ && $284 \colon {}$ & $\left(\frac{xz+1}{z},y,\frac{xz^2}{xz+1}\right)$ \spacer \\* 
 &&  && $1353 \colon {}$ & $\left(x,y,\frac{(y+1)^2}{x^2yz}\right)$ \bottomspacer \\ \addlinespace[1.1ex]
 \rowcolor[gray]{0.95}
1353 && $x+y+z+\frac{z}{y}+\frac{2}{y}+\frac{y}{x}+\frac{4}{x}+\frac{3}{xy}+\frac{1}{xy^2}+\frac{y}{x^2z}+\frac{2}{x^2z}+\frac{1}{x^2yz}$ && $357 \colon {}$ & $\left(\frac{xyz+(y+1)^2}{xy},y,\frac{x^2yz}{xyz+(y+1)^2}\right)$ \spacer \\* \rowcolor[gray]{0.95}
 &&  && $1231 \colon {}$ & $\left(x,y,\frac{(y+1)^2}{x^2yz}\right)$ \bottomspacer \\ \addlinespace[1.1ex]
 \end{longtable}
\end{center}
