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\psset{unit=.45pt}
\begin{pspicture}*(420, 420)
\psset{linewidth=.4pt}
% Frame
\pspolygon(0, 0)(420, 0)(420, 420)(0, 420)
% Circumscribed circle and inscribed circle
\pscircle(206, 222){166.18}
\pscircle(250, 197){75.42}
% Adjacent circles
\pscircle[linestyle=dashed](476, 135){157.68}
\pscircle[linestyle=dashed](-32, -22){266.53}
\pscircle[linestyle=dashed](132, 579){315.92}
% triangle
\psset{linewidth=1pt}
\pspolygon(43, 253)(361, 283)(287, 77)
% nine-points circle (Feuerbach)
\pscircle[linestyle=dotted](242, 195){83.09}
\end{pspicture}
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