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tikz pgf - How to give a label to nodes which already contain a tikzpicture with nodes. - TeX - LaTeX Stack Exchange
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tikz pgf - How can I center a tikzpicture without centering the \item that contains it? - TeX - LaTeX Stack Exchange
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tikz trees - How do I draw a tikzpicture inside of a child node of another tikzpicture? - TeX - LaTeX Stack Exchange
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