%% Generated from 045a.xp on Thu Jun  4 20:03:31 EDT 2009 by
%% ePiX-1.2.6
%% 
%%   Cartesian bounding box: [-1,1] x [-1,1]
%%   Actual size: 1.75 x 1.75in
%%   Figure offset: left by 0in, down by -0.5in
%% 
%% usepackages tikz
%% 
\xdefinecolor{rgb_000000}{rgb}{0,0,0}%
\begin{tikzpicture}[cap=round]
\pgfsetlinewidth{0.4pt}
\useasboundingbox (0in,-0.5in) rectangle (1.75in,1.25in);
\pgfsetlinewidth{0.8pt}
\draw (1.75in,0.875in)--(1.7488in,0.920794in)--
  (1.74521in,0.966462in)--(1.73923in,1.01188in)--
  (1.73088in,1.05692in)--(1.72019in,1.10147in)--
  (1.70717in,1.14539in)--(1.69188in,1.18857in)--
  (1.67435in,1.23089in)--(1.65463in,1.27224in)--
  (1.63277in,1.3125in)--(1.60884in,1.35156in)--
  (1.58289in,1.38931in)--(1.555in,1.42566in)--(1.52525in,1.46049in)--
  (1.49372in,1.49372in)--(1.46049in,1.52525in)--(1.42566in,1.555in)--
  (1.38931in,1.58289in)--(1.35156in,1.60884in)--
  (1.3125in,1.63277in)--(1.27224in,1.65463in)--
  (1.23089in,1.67435in)--(1.18857in,1.69188in)--
  (1.14539in,1.70717in)--(1.10147in,1.72019in)--
  (1.05692in,1.73088in)--(1.01188in,1.73923in)--
  (0.966462in,1.74521in)--(0.920794in,1.7488in)--(0.875in,1.75in)--
  (0.829206in,1.7488in)--(0.783538in,1.74521in)--
  (0.73812in,1.73923in)--(0.693077in,1.73088in)--
  (0.648533in,1.72019in)--(0.60461in,1.70717in)--
  (0.561428in,1.69188in)--(0.519105in,1.67435in)--
  (0.477758in,1.65463in)--(0.4375in,1.63277in)--
  (0.398441in,1.60884in)--(0.360688in,1.58289in)--
  (0.324345in,1.555in)--(0.289511in,1.52525in)--
  (0.256282in,1.49372in)--(0.224748in,1.46049in)--
  (0.194997in,1.42566in)--(0.16711in,1.38931in)--
  (0.141163in,1.35156in)--(0.117228in,1.3125in)--
  (0.0953693in,1.27224in)--(0.0756477in,1.23089in)--
  (0.0581171in,1.18857in)--(0.0428255in,1.14539in)--
  (0.0298149in,1.10147in)--(0.0191208in,1.05692in)--
  (0.0107727in,1.01188in)--(0.00479334in,0.966462in)--
  (0.00119916in,0.920794in)--(0in,0.875in)--
  (0.00119916in,0.829206in)--(0.00479334in,0.783538in)--
  (0.0107727in,0.73812in)--(0.0191208in,0.693077in)--
  (0.0298149in,0.648533in)--(0.0428255in,0.60461in)--
  (0.0581171in,0.561428in)--(0.0756477in,0.519105in)--
  (0.0953693in,0.477758in)--(0.117228in,0.4375in)--
  (0.141163in,0.398441in)--(0.16711in,0.360688in)--
  (0.194997in,0.324345in)--(0.224748in,0.289511in)--
  (0.256282in,0.256282in)--(0.289511in,0.224748in)--
  (0.324345in,0.194997in)--(0.360688in,0.16711in)--
  (0.398441in,0.141163in)--(0.4375in,0.117228in)--
  (0.477758in,0.0953693in)--(0.519105in,0.0756477in)--
  (0.561428in,0.0581171in)--(0.60461in,0.0428255in)--
  (0.648533in,0.0298149in)--(0.693077in,0.0191208in)--
  (0.73812in,0.0107727in)--(0.783538in,0.00479334in)--
  (0.829206in,0.00119916in)--(0.875in,0in)--
  (0.920794in,0.00119916in)--(0.966462in,0.00479334in)--
  (1.01188in,0.0107727in)--(1.05692in,0.0191208in)--
  (1.10147in,0.0298149in)--(1.14539in,0.0428255in)--
  (1.18857in,0.0581171in)--(1.23089in,0.0756477in)--
  (1.27224in,0.0953693in)--(1.3125in,0.117228in)--
  (1.35156in,0.141163in)--(1.38931in,0.16711in)--
  (1.42566in,0.194997in)--(1.46049in,0.224748in)--
  (1.49372in,0.256282in)--(1.52525in,0.289511in)--
  (1.555in,0.324345in)--(1.58289in,0.360688in)--
  (1.60884in,0.398441in)--(1.63277in,0.4375in)--
  (1.65463in,0.477758in)--(1.67435in,0.519105in)--
  (1.69188in,0.561428in)--(1.70717in,0.60461in)--
  (1.72019in,0.648533in)--(1.73088in,0.693077in)--
  (1.73923in,0.73812in)--(1.74521in,0.783538in)--
  (1.7488in,0.829206in)--(1.75in,0.875in)--cycle;
\draw (0in,0.875in)--(1.75in,0.875in);
\draw (0.875in,1.75in)--(0.875in,0in);
\draw (0.875in,1.75in)--(0.866946in,1.74593in)--
  (0.858929in,1.74178in)--(0.850952in,1.73756in)--
  (0.843013in,1.73326in)--(0.835115in,1.72889in)--
  (0.827257in,1.72445in)--(0.819441in,1.71994in)--
  (0.811666in,1.71536in)--(0.803934in,1.7107in)--
  (0.796246in,1.70597in)--(0.788601in,1.70117in)--
  (0.781001in,1.6963in)--(0.773446in,1.69137in)--
  (0.765937in,1.68636in)--(0.758475in,1.68128in)--
  (0.75106in,1.67613in)--(0.743692in,1.67092in)--
  (0.736373in,1.66564in)--(0.729103in,1.66029in)--
  (0.721883in,1.65487in)--(0.714713in,1.64939in)--
  (0.707593in,1.64384in)--(0.700526in,1.63823in)--
  (0.69351in,1.63255in)--(0.686547in,1.62681in)--
  (0.679638in,1.621in)--(0.672782in,1.61513in)--
  (0.665981in,1.6092in)--(0.659234in,1.6032in)--
  (0.652544in,1.59714in)--(0.645909in,1.59102in)--
  (0.639332in,1.58484in)--(0.632811in,1.5786in)--
  (0.626349in,1.5723in)--(0.619944in,1.56594in)--
  (0.613599in,1.55952in)--(0.607313in,1.55304in)--
  (0.601088in,1.54651in)--(0.594923in,1.53992in)--
  (0.588819in,1.53327in)--(0.582776in,1.52656in)--
  (0.576796in,1.5198in)--(0.570878in,1.51299in)--
  (0.565024in,1.50612in)--(0.559233in,1.4992in)--
  (0.553506in,1.49222in)--(0.547844in,1.48519in)--
  (0.542246in,1.47811in)--(0.536715in,1.47098in)--
  (0.531249in,1.46379in)--(0.52585in,1.45656in)--
  (0.520518in,1.44928in)--(0.515254in,1.44195in)--
  (0.510057in,1.43457in)--(0.504928in,1.42714in)--
  (0.499869in,1.41967in)--(0.494878in,1.41215in)--
  (0.489957in,1.40458in)--(0.485106in,1.39697in)--
  (0.480326in,1.38931in)--(0.475616in,1.38161in)--
  (0.470977in,1.37387in)--(0.466411in,1.36608in)--
  (0.461916in,1.35826in)--(0.457493in,1.35039in)--
  (0.453144in,1.34248in)--(0.448867in,1.33453in)--
  (0.444664in,1.32654in)--(0.440535in,1.31852in)--
  (0.436481in,1.31046in)--(0.4325in,1.30235in)--
  (0.428595in,1.29422in)--(0.424765in,1.28604in)--
  (0.42101in,1.27784in)--(0.417332in,1.26959in)--
  (0.413729in,1.26132in)--(0.410203in,1.25301in)--
  (0.406754in,1.24467in)--(0.403382in,1.2363in)--
  (0.400087in,1.22789in)--(0.39687in,1.21946in)--
  (0.393731in,1.211in)--(0.39067in,1.20251in)--
  (0.387688in,1.19399in)--(0.384784in,1.18544in)--
  (0.38196in,1.17687in)--(0.379214in,1.16827in)--
  (0.376548in,1.15965in)--(0.373962in,1.151in)--
  (0.371455in,1.14233in)--(0.369029in,1.13364in)--
  (0.366683in,1.12492in)--(0.364417in,1.11619in)--
  (0.362232in,1.10743in)--(0.360128in,1.09865in)--
  (0.358106in,1.08985in)--(0.356164in,1.08104in)--
  (0.354304in,1.07221in)--(0.352525in,1.06336in)--
  (0.350828in,1.05449in)--(0.349213in,1.04561in)--
  (0.34768in,1.03672in)--(0.346229in,1.02781in)--
  (0.34486in,1.01889in)--(0.343574in,1.00996in)--
  (0.34237in,1.00101in)--(0.341249in,0.992055in)--
  (0.34021in,0.983089in)--(0.339254in,0.974114in)--
  (0.338381in,0.96513in)--(0.337591in,0.956139in)--
  (0.336884in,0.947141in)--(0.33626in,0.938137in)--
  (0.335719in,0.929127in)--(0.335261in,0.920113in)--
  (0.334886in,0.911095in)--(0.334595in,0.902074in)--
  (0.334387in,0.893051in)--(0.334262in,0.884026in)--(0.33422in,0.875in);
\draw (1.3125in,0.875in)--(0.875in,1.75in);
\draw (0.875in,1.75in)--(0.33422in,0.875in);
\pgftext[at={\pgfpoint{-0.027674in}{0.875in}}] {\makebox(0,0)[r]{\hbox{\color{rgb_000000}$A$}}}
\pgftext[at={\pgfpoint{1.77767in}{0.875in}}] {\makebox(0,0)[l]{\hbox{\color{rgb_000000}$A'$}}}
\pgftext[at={\pgfpoint{0.875in}{1.77767in}}] {\makebox(0,0)[b]{\hbox{\color{rgb_000000}$B$}}}
\pgftext[at={\pgfpoint{0.875in}{-0.027674in}}] {\makebox(0,0)[t]{\hbox{\color{rgb_000000}$B'$}}}
\pgftext[at={\pgfpoint{1.3125in}{0.847326in}}] {\makebox(0,0)[t]{\hbox{\color{rgb_000000}$M$}}}
\pgftext[at={\pgfpoint{0.33422in}{0.847326in}}] {\makebox(0,0)[t]{\hbox{\color{rgb_000000}$C$}}}
\pgftext[at={\pgfpoint{0.847326in}{0.847326in}}] {\makebox(0,0)[tr]{\hbox{\color{rgb_000000}$O$}}}
\pgftext[at={\pgfpoint{0.875in}{-0.249066in}}] {\makebox(0,0)[t]{\hbox{\color{rgb_000000}\textsc{Fig.~10}}}}
\end{tikzpicture}
