[Tex/LaTex] Arranging multiple plots in a grid inside a figure/subfloat

gridssubfloats

I have a grid of pie charts which go into subfloats. The number is odd, and I would like to have them on a 3×2 grid, where the cell in the bottom left is empty. I have simulated this by putting an empty subfloat in the following example, but obviously that's not good, as I get a sub-caption labelled "(e)" and the caption count is increased:

\documentclass{article}
\usepackage{graphicx}
\usepackage{subfig}

\begin{document}

\begin{figure}
\centering
\subfloat[first]{
  \includegraphics[width=65mm]{test.pdf}
}
\subfloat[second]{
  \includegraphics[width=65mm]{test.pdf}
}
\hspace{0mm}
\subfloat[third]{
  \includegraphics[width=65mm]{test.pdf}
}
\subfloat[forth]{
  \includegraphics[width=65mm]{test.pdf}
}
\hspace{0mm}
\subfloat[]{   % ???
  \includegraphics[width=65mm]{empty.pdf}
}
\subfloat[fifth]{
  \includegraphics[width=65mm]{test.pdf}
}
\caption{caption}
\end{figure}

\end{document}

enter image description here

Best Answer

If a naive solution is also OK:

\documentclass{article}
\usepackage{graphicx}
\usepackage{subfig}

\begin{document}

\begin{figure}
\begin{tabular}{cc}
  \includegraphics[width=65mm]{it} &   \includegraphics[width=65mm]{it} \\
(a) first & (b) second \\[6pt]
 \includegraphics[width=65mm]{it} &   \includegraphics[width=65mm]{it} \\
(c) third & (d) fourth \\[6pt]
\multicolumn{2}{c}{\includegraphics[width=65mm]{it} }\\
\multicolumn{2}{c}{(e) fifth}
\end{tabular}
\caption{caption}
\end{figure}
\end{document}

Here is another picture, of course.

enter image description here

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