\documentclass[tikz]{standalone}\input{pre.tex}\begin{document}\begin{tikzpicture}%[rotate=15]
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\node at (7,3) [shape=circle,draw] {2};
\node at (7,-2) [shape=circle,draw] {2};
\node at (6,-4) [right] {$W_\text{п}=0$};
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\end{tikzpicture}\end{document}
