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Tree graph Prufer code step .svg Removal of third node and selection of fourth in the construction of Prfer code Created with Inkscape based on Image Treegraph svg December Dammit Dammit Image TreegraphPrufercodestep svgImage TreegraphPrufercodestep svgImage TreegraphPrufercodestep svgImage TreegraphPrufercodestep svgImage TreegraphPrufercodestep