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- \begin{scope}[node distance=0.75cm]
-
- \node (FGX) [inner xsep=0.01cm, inner ysep=0.03cm] at (0, 0) {@};
- \node (FG) [xshift=0.25cm, inner xsep=0.01cm, inner ysep=0.03cm, below of=FGX, left of=FGX] {@};
- \node (X) [xshift=-0.25cm, inner xsep=0.01cm, inner ysep=0.03cm, below of=FGX, right of=FGX] {x};
- \node (F) [xshift=0.25cm, inner xsep=0.04cm, inner ysep=0.05cm, below of=FG, left of=FG, xshift=2] {f};
- \node (G) [xshift=-0.25cm, inner xsep=0.01cm, inner ysep=0.03cm, below of=FG, right of=FG, xshift=-2] {g};
-
- \node (GX)
- [xshift=-0.25cm, inner xsep=0.01cm, inner ysep=0.03cm, below of=F, xshift=0.75cm]
- {@};
-
- \draw[->] (FGX) to (X);
- \draw[->] (FGX) to (FG);
- \draw[->] (FG) to (F.north east);
- \draw[->] (FG) to (G.north west);
-
- \draw[->] (GX) to ([shift=({-0.35cm,-0.35cm})]GX)
- -- ++(0, -0.10cm)
- -| (G);
-
- \draw[->] (GX) to ([shift=({0.45cm,-0.35cm})]GX)
- -| (X);
-
- \node (Stk0) [draw, shape=rectangle, minimum width=1.5cm, minimum height=0.75cm, anchor=center]
- at (-2.75, 0) {};
- \node (Stk1) [draw, shape=rectangle, minimum width=1.5cm, minimum height=0.75cm, anchor=center]
- at (-2.75, -0.75) {};
- \node (Stk2) [draw, shape=rectangle, minimum width=1.5cm, minimum height=0.75cm, anchor=center]
- at (-2.75, -1.5) {};
- \node (Stk3) [draw, shape=rectangle, minimum width=1.5cm, minimum height=0.75cm, anchor=center]
- at (-2.75, -2.25) {};
- \node (Stk4) [draw, shape=rectangle, minimum width=1.5cm, minimum height=0.75cm, anchor=center]
- at (-2.75, -3) {};
-
- \node (K) [right of=Stk4, xshift=1.5cm] {K};
-
- \draw[->] (Stk0.center) to (FGX);
- \draw[->] (Stk1.center) to (FG);
- \draw[->] (Stk2.center) to (F);
- \draw[->] (Stk3.center) to (GX);
- \draw[->] (Stk4.center) to (K);
-
- \end{scope}
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