\begin{picture}(110.41,95) \put(54.58,0){\vector(0,1){95}} \put(51.64,47.59){\makebox(0,0)[cc]{0}} \put(0.41,45.14){\vector(1,0){110}} %\circle(54.68,45.03){79.53} \lI(54.68,84.8,60.35,84.39)\lI(60.35,84.39,65.91,83.18)\lI(65.91,83.18,71.24,81.18) \lI(71.24,81.18,76.23,78.45)\lI(76.23,78.45,80.78,75.03)\lI(80.78,75.03,84.79,71.0) \lI(84.79,71.0,88.19,66.44)\lI(88.19,66.44,90.9,61.44)\lI(90.9,61.44,92.87,56.1) \lI(92.87,56.1,94.06,50.54)\lI(94.06,50.54,94.44,44.86)\lI(94.44,44.86,94.01,39.19) \lI(94.01,39.19,92.78,33.64)\lI(92.78,33.64,90.76,28.32)\lI(90.76,28.32,88.01,23.34) \lI(88.01,23.34,84.57,18.81)\lI(84.57,18.81,80.52,14.81)\lI(80.52,14.81,75.95,11.43) \lI(75.95,11.43,70.94,8.74)\lI(70.94,8.74,65.59,6.79)\lI(65.59,6.79,60.02,5.63) \lI(60.02,5.63,54.35,5.27)\lI(54.35,5.27,48.67,5.72)\lI(48.67,5.72,43.13,6.98) \lI(43.13,6.98,37.82,9.02)\lI(37.82,9.02,32.85,11.79)\lI(32.85,11.79,28.33,15.25) \lI(28.33,15.25,24.35,19.31)\lI(24.35,19.31,20.99,23.9)\lI(20.99,23.9,18.32,28.93) \lI(18.32,28.93,16.4,34.28)\lI(16.4,34.28,15.25,39.85)\lI(15.25,39.85,14.92,45.53) \lI(14.92,45.53,15.4,51.2)\lI(15.4,51.2,16.68,56.74)\lI(16.68,56.74,18.74,62.05) \lI(18.74,62.05,21.54,67.0)\lI(21.54,67.0,25.01,71.5)\lI(25.01,71.5,29.09,75.47) \lI(29.09,75.47,33.7,78.81)\lI(33.7,78.81,38.73,81.46)\lI(38.73,81.46,44.09,83.36) \lI(44.09,83.36,54.68,84.8) %\end %\marker(70.47,45.03,|,3,1) \put(70.47,45.03){\makebox(0,0)[cc]{$\vrule height 5pt$}} %\end \put(110,40.81){\makebox(0,0)[cc]{$x$}} \put(71.16,42.5){\makebox(0,0)[cc]{$A$}} \put(70.47,45.03){\circle{10.54}} \lI(49.42,5.5,77.41,77.48) \lI(77.41,77.48,54.63,45.14) \lI(54.63,45.14,49.42,5.5) %\marker(49.42,5.5,.,3,1) \put(49.42,5.5){\makebox(0,0)[cc]{$\bullet$}} %\end %\marker(77.41,77.48,.,3,1) \put(77.41,77.48){\makebox(0,0)[cc]{$\bullet$}} %\end \put(81,81){\makebox(0,0)[cc]{$P_\varphi$}} \put(46.98,3.24){\makebox(0,0)[cc]{$P_{\varphi'}$}} \put(97,48){\makebox(0,0)[cc]{$R$}} \put(47.33,42.08){\makebox(0,0)[rc]{$\scriptstyle-2\varphi'$}} \put(26.92,69.36){\makebox(0,0)[cc]{$C$}} \put(78,50){\makebox(0,0)[cc]{$C'$}} \thicklines %\bezier{36}(49.67,45)(50.33,40)(53.67,39) \lI(49.67,45,50.24,42.53)\lI(50.24,42.53,51.23,40.68)\lI(51.23,40.68,53.67,39) %\end \end{picture}