\begin{center}
\footnotesize
\setlength{\mylength}{\baselineskip}
\begin{longtable}{rp{0ex}p{9cm}p{0ex}RL}
\caption{Laurent polynomials and selected mutations for bucket 66.}\\

\toprule \multicolumn{1}{c}{{Node}}&& \multicolumn{1}{c}{{Laurent polynomial}} && \multicolumn{2}{c}{{Mutations from Figure~\ref{fig:66a}}} \\ \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:66a}}} \\ \midrule \endhead

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

\bottomrule \endlastfoot

148 && $x+y+z+\frac{1}{y}+\frac{1}{yz}+\frac{2y}{x}+\frac{2}{x}+\frac{y}{x^2}$ && $275 \colon {}$ & $\left(\frac{x^2z^2+y(xz+1)^2}{x^2yz},\frac{x^2z^2+y(xz+1)^2}{x^3yz^2},y\right)$ \spacer \\* 
 &&  && $399 \colon {}$ & $\left(x,\frac{x}{y(x+1)},\frac{y(x+1)}{xz}\right)$ \bottomspacer \\ \addlinespace[1.1ex]
 \rowcolor[gray]{0.95}
275 && $x+y+z+\frac{z}{y}+\frac{3}{x}+\frac{2}{xz}+\frac{1}{xy}+\frac{3}{x^2z}+\frac{1}{x^3z^2}$ && $148 \colon {}$ & $\left(\frac{x^2+z(x+y)^2}{x^2yz},z,\frac{x^3z}{x^2+z(x+y)^2}\right)$ \bottomspacer \\ \addlinespace[1.1ex]
 399 && $x+y+\frac{y}{z}+z+\frac{1}{y}+\frac{y}{x}+\frac{y}{xz}+\frac{2}{x}+\frac{1}{xy}$ && $148 \colon {}$ & $\left(x,\frac{x}{y(x+1)},\frac{1}{yz}\right)$ \spacer \\* 
 &&  && $679 \colon {}$ & $\left(x,\frac{xy}{xyz+x+1},\frac{xy^2z}{xyz+x+1}\right)$ \spacer \\* 
 &&  && $971 \colon {}$ & $\left(\frac{xyz+(y+1)^2}{xy},\frac{1}{y},\frac{x^2yz}{xyz+(y+1)^2}\right)$ \bottomspacer \\ \addlinespace[1.1ex]
 \rowcolor[gray]{0.95}
601 && $x+y+z+\frac{1}{y}+\frac{1}{yz}+\frac{2}{x}+\frac{2}{xy}+\frac{2}{xyz}+\frac{1}{x^2y}+\frac{1}{x^2yz}$ && $679 \colon {}$ & $\left(x,y,\frac{z(x+1)}{x}\right)$ \bottomspacer \\ \addlinespace[1.1ex]
 679 && $x+y+z+\frac{1}{y}+\frac{1}{yz}+\frac{z}{x}+\frac{2}{x}+\frac{2}{xy}+\frac{1}{xyz}+\frac{1}{x^2y}$ && $399 \colon {}$ & $\left(x,\frac{xy+xz+y}{x},\frac{xz}{y(xy+xz+y)}\right)$ \spacer \\* 
 &&  && $601 \colon {}$ & $\left(x,y,\frac{xz}{x+1}\right)$ \spacer \\* 
 &&  && $1840 \colon {}$ & $\left(\frac{x^2yz}{xyz+z+1},\frac{xyz+z+1}{xz},\frac{x}{xyz+z+1}\right)$ \bottomspacer \\ \addlinespace[1.1ex]
 \rowcolor[gray]{0.95}
971 && $x+y+z+\frac{1}{y}+\frac{y}{x}+\frac{2}{x}+\frac{2}{xy}+\frac{1}{xyz}+\frac{1}{x^2z}+\frac{2}{x^2yz}+\frac{1}{x^2y^2z}$ && $399 \colon {}$ & $\left(\frac{xyz+(y+1)^2}{xy},\frac{1}{y},\frac{x^2yz}{xyz+(y+1)^2}\right)$ \bottomspacer \\ \addlinespace[1.1ex]
 1171 && $x+y+z+\frac{3}{x}+\frac{1}{xz}+\frac{2}{xy}+\frac{2}{xyz}+\frac{3}{x^2y}+\frac{3}{x^2yz}+\frac{1}{x^3y^2}+\frac{2}{x^3y^2z}+\frac{1}{x^3y^2z^2}$ && $2528 \colon {}$ & $\left(\frac{x^2y}{xy+z},\frac{xy+z}{x},\frac{xy+z}{x^2yz}\right)$ \bottomspacer \\ \addlinespace[1.1ex]
 \rowcolor[gray]{0.95}
1840 && $x+y+z+\frac{z}{x}+\frac{3}{x}+\frac{1}{xz}+\frac{2}{xy}+\frac{1}{xyz}+\frac{z}{x^2y}+\frac{4}{x^2y}+\frac{2}{x^2yz}+\frac{1}{x^3y^2}+\frac{1}{x^3y^2z}$ && $679 \colon {}$ & $\left(\frac{xy+yz+1}{y},\frac{xy^2}{xy+yz+1},\frac{1}{yz}\right)$ \spacer \\* \rowcolor[gray]{0.95}
 &&  && $2528 \colon {}$ & $\left(x,y,\frac{z(x^2y+(xy+1)^2)}{x^2y^2}\right)$ \bottomspacer \\ \addlinespace[1.1ex]
 2528 && $x+y+z+\frac{z}{y}+\frac{z}{x}+\frac{3}{x}+\frac{1}{xz}+\frac{3z}{xy}+\frac{2}{xy}+\frac{3z}{x^2y}+\frac{4}{x^2y}+\frac{2z}{x^2y^2}+\frac{3z}{x^3y^2}+\frac{1}{x^3y^2}+\frac{z}{x^4y^3}$ && $1171 \colon {}$ & $\left(\frac{x^2yz+1}{xyz},\frac{x^2y^2z}{x^2yz+1},\frac{1}{xz}\right)$ \spacer \\* 
 &&  && $1840 \colon {}$ & $\left(x,y,\frac{x^2y^2z}{x^2y+(xy+1)^2}\right)$ \spacer \\* 
 &&  && $3382 \colon {}$ & $\left(\frac{(xy+z)(x^2y^2+z(xy+1)^3)}{x^4y^3z},\frac{x^5y^4z}{(xy+z)(x^2y^2+z(xy+1)^3)},z\right)$ \bottomspacer \\ \addlinespace[1.1ex]
 \rowcolor[gray]{0.95}
3382 && $x+y+z+\frac{2z}{x}+\frac{3}{x}+\frac{1}{xz}+\frac{3z}{xy}+\frac{2}{xy}+\frac{z^2}{x^2y}+\frac{6z}{x^2y}+\frac{5}{x^2y}+\frac{2z}{x^2y^2}+\frac{3z^2}{x^3y^2}+\frac{7z}{x^3y^2}+\frac{1}{x^3y^2}+\frac{3z^2}{x^4y^3}+\frac{2z}{x^4y^3}+\frac{z^2}{x^5y^4}$ && $2528 \colon {}$ & $\left(\frac{(xy+z)(x^2y^2+z(xy+1)^3)}{x^4y^3z},\frac{x^5y^4z}{(xy+z)(x^2y^2+z(xy+1)^3)},z\right)$ \bottomspacer \\ \addlinespace[1.1ex]
 \end{longtable}
\end{center}
