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replaced
1 \usepackage{tikz} |
1 \usepackage{tikz} |
2 \usepackage{pgf} |
2 \usepackage{pgf} |
3 \usetikzlibrary{positioning} |
3 \usetikzlibrary{positioning} |
4 \usetikzlibrary{calc} |
4 \usetikzlibrary{calc} |
5 \usetikzlibrary{automata} |
5 \usetikzlibrary{automata} |
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6 \usetikzlibrary{arrows} |
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7 \usetikzlibrary{backgrounds} |
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8 \usetikzlibrary{fit} |
6 \usepackage{graphicx} |
9 \usepackage{graphicx} |
7 \usepackage{pgfplots} |
10 \usepackage{pgfplots} |
8 |
11 |
9 \newenvironment{bubble}[1][]{% |
12 \newenvironment{bubble}[1][]{% |
10 \begin{tikzpicture}% |
13 \begin{tikzpicture}% |