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				|  |  | +\documentclass[tikz]{standalone}
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				|  |  | +%\usepackage{tikz}
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				|  |  | +\usetikzlibrary{
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				|  |  | +%	calc,
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				|  |  | +	shapes,
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				|  |  | +%	fit,
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				|  |  | +	positioning,
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				|  |  | +%	patterns
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				|  |  | +}
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				|  |  | +\usepackage{beamerarticle}
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				|  |  | +
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				|  |  | +\definecolor{stdcolor}{RGB}{0,164,164}
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				|  |  | +
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				|  |  | +
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				|  |  | +
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				|  |  | +\begin{document}
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				|  |  | +\newcommand{\znode}[5]{
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				|  |  | +	\node[right=of #2,#3,minimum width=#4,minimum height=1cm,node distance=0] (#1) {#5};
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				|  |  | +}
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				|  |  | +
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				|  |  | +\begin{tikzpicture}[node distance=0.5cm,
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				|  |  | +		v/.style={rectangle, minimum height=0.5cm, minimum width=1cm,draw},
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				|  |  | +		d/.style={diamond,draw},
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				|  |  | +		r/.style={rounded rectangle,minimum height=0.5cm, minimum width=1cm,draw},
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				|  |  | +		u/.style={circle,fill},
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				|  |  | +		]
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				|  |  | +
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				|  |  | +
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				|  |  | +\node (n1) [r] {};
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				|  |  | +
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				|  |  | +\node (n2) [v,below=of n1] {};
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				|  |  | +
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				|  |  | +\node (n3) [v,below=of n2] {};
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				|  |  | +
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				|  |  | +\node (d1) [d,below=of n3] {};
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				|  |  | +
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				|  |  | +\node (n5) [v,below=of d1] {};
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				|  |  | +
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				|  |  | +\node (n6) [v,below=of n5] {};
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				|  |  | +
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				|  |  | +\node (u1) [u,below=of n6] {};
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				|  |  | +
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				|  |  | +\node (n7) [v,below=of u1] {};
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				|  |  | +
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				|  |  | +\node (n8) [r,below=of n7] {};
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				|  |  | +
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				|  |  | +
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				|  |  | +\draw[-latex] (n1) -- (n2);
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				|  |  | +\draw[-latex] (n2) -- (n3);
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				|  |  | +\draw (n3) -- (d1);
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				|  |  | +\draw[-latex]  (d1)  -- node[right] {A1} (n5);
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				|  |  | +\draw (n5) -- (n6);
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				|  |  | +\draw[-latex] (n6) -- (n7);
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				|  |  | +\draw[-latex] (n7) -- (n8);
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				|  |  | +%\draw[-latex] (n8) -- (n9);
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				|  |  | +
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				|  |  | +\node[v, left=of n5] (n10) {};
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				|  |  | +%\node[v, below=of n10] (n11) {};
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				|  |  | +\node[below=of n10,yshift=-0.5cm] (e) {};
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				|  |  | +
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				|  |  | +
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				|  |  | +
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				|  |  | +\draw (e) arc [start angle=-90, end angle=-25,radius=0.5cm];
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				|  |  | +\draw (e) arc [start angle=270, end angle=205,radius=0.5cm];
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				|  |  | +\draw[-latex] (n10) -- (e.center);
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				|  |  | +
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				|  |  | +\draw[-latex] (d1)  -| node[above,near start] {A2} (n10);
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				|  |  | +%\draw[-latex] (n10) -- (n11);
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				|  |  | +
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				|  |  | +
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				|  |  | +
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				|  |  | +%\node[v, right=of n6] (n12) {};
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				|  |  | +\node[v,  right=of n5] (n13) {};
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				|  |  | +\node[v, above=of n13] (n14) {};
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				|  |  | +
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				|  |  | +\draw[-latex] (u1) -| (n13);
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				|  |  | +%\draw[-latex] (n12) -- (n13);
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				|  |  | +\draw[-latex] (n13) -- (n14);
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				|  |  | +\draw[-latex] (n14) -- ++(0,1.5) -- node[below] {R} ++(-1.25,0) -- (n3.45);
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				|  |  | +%\draw
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				|  |  | +\end{tikzpicture}
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				|  |  | +\end{document}
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