\psset{unit=0.3cm}
%
\pspicture(-13,-4)(13,12)
% \showgrid
% The bipartition:
\psline[linewidth=0.15,linecolor=gray,linestyle=dashed,dash=3pt 2pt](0,-3)(0,11)
%\rput(-7,6){{\huge E}}
%\rput(10,6){{\huge O}}
% Circular orientations of coloured points
%%%
% 1
\rput(-12,6){
% The circle
\pspolygon[linewidth=0.4,linecolor=gray,linearc=0.75](0,0)(0,4)(10,4)(10,0)
% The arcs
\psset{linewidth=0.15,linecolor=lightgray}
\psarc(4,4){1}{180}{0}
\psarc(8,4){1}{180}{0}
\psarc(4,0){1}{0}{180}
\psarc(8,0){1}{0}{180}
\psline(1,4)(1,0)
% The points
\psset{linewidth=0.15,linecolor=black,fillstyle=solid,fillcolor=white}
\pscircle(1,4){0.4}
\pscircle(3,4){0.4}
\pscircle(5,4){0.4}
\pscircle(7,4){0.4}
\pscircle(9,4){0.4}
\pscircle(9,0){0.4}
\pscircle[fillcolor=black](7,0){0.4}
\pscircle(5,0){0.4}
\pscircle[fillcolor=black](3,0){0.4}
\pscircle(1,0){0.4}
% The orientations
\psset{linewidth=0.1,linecolor=black,fillstyle=solid,fillcolor=green}
\rput(1,4){\TRIup{green}}
\rput(3,4){\TRIdown{red}}
\rput(5,4){\TRIup{green}}
\rput(9,4){\TRIdown{red}}
\rput(7,4){\TRIup{green}}
\rput(1,-2){\TRIup{green}}
\rput(3,-2){\TRIdown{red}}
\rput(5,-2){\TRIup{green}}
\rput(7,-2){\TRIdown{red}}
\rput(9,-2){\TRIup{green}}
}
% 2
\rput(-12,-2){
% The circle
\pspolygon[linewidth=0.4,linecolor=gray,linearc=0.75](0,0)(0,4)(10,4)(10,0)
% The arcs
\psset{linewidth=0.15,linecolor=lightgray}
\psarc[linecolor=black](4,4){1}{180}{0}
\psarc[linecolor=black](8,4){1}{180}{0}
\psarc(4,0){1}{0}{180}
\psarc(8,0){1}{0}{180}
\psline(1,4)(1,0)
% The points
\psset{linewidth=0.15,linecolor=black,fillstyle=solid,fillcolor=white}
\pscircle(1,4){0.4}
\pscircle(3,4){0.4}
\pscircle(5,4){0.4}
\pscircle(7,4){0.4}
\pscircle(9,4){0.4}
\pscircle(9,0){0.4}
\pscircle[fillcolor=black](7,0){0.4}
\pscircle(5,0){0.4}
\pscircle[fillcolor=black](3,0){0.4}
\pscircle(1,0){0.4}
% The orientations
\psset{linewidth=0.1,linecolor=black,fillstyle=solid,fillcolor=green}
\rput(1,4){\TRIup{green}}
\rput(5,4){\TRIdown{red}}
\rput(3,4){\TRIup{green}}
\rput(7,4){\TRIdown{red}}
\rput(9,4){\TRIup{green}}
\rput(1,-2){\TRIup{green}}
\rput(3,-2){\TRIdown{red}}
\rput(5,-2){\TRIup{green}}
\rput(7,-2){\TRIdown{red}}
\rput(9,-2){\TRIup{green}}
}
% RIGHT HALF
% 1
\rput(2,6){
% The circle
\pspolygon[linewidth=0.4,linecolor=gray,linearc=0.75](0,0)(0,4)(10,4)(10,0)
% The arcs
\psset{linewidth=0.15,linecolor=lightgray}
\psarc[linecolor=black](4,4){1}{180}{0}
\psarc(8,4){1}{180}{0}
\psarc(4,0){1}{0}{180}
\psarc(8,0){1}{0}{180}
\psline(1,4)(1,0)
% The points
\psset{linewidth=0.15,linecolor=black,fillstyle=solid,fillcolor=white}
\pscircle(1,4){0.4}
\pscircle(3,4){0.4}
\pscircle(5,4){0.4}
\pscircle(7,4){0.4}
\pscircle(9,4){0.4}
\pscircle(9,0){0.4}
\pscircle[fillcolor=black](7,0){0.4}
\pscircle(5,0){0.4}
\pscircle[fillcolor=black](3,0){0.4}
\pscircle(1,0){0.4}
% The orientations
\psset{linewidth=0.1,linecolor=black,fillstyle=solid,fillcolor=green}
\rput(1,4){\TRIup{green}}
\rput(5,4){\TRIdown{red}}
\rput(3,4){\TRIup{green}}
\rput(9,4){\TRIdown{red}}
\rput(7,4){\TRIup{green}}
\rput(1,-2){\TRIup{green}}
\rput(3,-2){\TRIdown{red}}
\rput(5,-2){\TRIup{green}}
\rput(7,-2){\TRIdown{red}}
\rput(9,-2){\TRIup{green}}
}
% 2
\rput(2,-2){
% The circle
\pspolygon[linewidth=0.4,linecolor=gray,linearc=0.75](0,0)(0,4)(10,4)(10,0)
% The arcs
\psset{linewidth=0.15,linecolor=lightgray}
\psarc(4,4){1}{180}{0}
\psarc[linecolor=black](8,4){1}{180}{0}
\psarc(4,0){1}{0}{180}
\psarc(8,0){1}{0}{180}
\psline(1,4)(1,0)
% The points
\psset{linewidth=0.15,linecolor=black,fillstyle=solid,fillcolor=white}
\pscircle(1,4){0.4}
\pscircle(3,4){0.4}
\pscircle(5,4){0.4}
\pscircle(7,4){0.4}
\pscircle(9,4){0.4}
\pscircle(9,0){0.4}
\pscircle[fillcolor=black](7,0){0.4}
\pscircle(5,0){0.4}
\pscircle[fillcolor=black](3,0){0.4}
\pscircle(1,0){0.4}
% The orientations
\psset{linewidth=0.1,linecolor=black,fillstyle=solid,fillcolor=green}
\rput(1,4){\TRIup{green}}
\rput(3,4){\TRIdown{red}}
\rput(5,4){\TRIup{green}}
\rput(7,4){\TRIdown{red}}
\rput(9,4){\TRIup{green}}
\rput(1,-2){\TRIup{green}}
\rput(3,-2){\TRIdown{red}}
\rput(5,-2){\TRIup{green}}
\rput(7,-2){\TRIdown{red}}
\rput(9,-2){\TRIup{green}}
}
% The involution
\psset{linewidth=0.2,linecolor=black}
\psline{c-c}(-2,8)(2,8)
\psline{c-c}(-2.1,1.8)(2.1,6.2)
\psline{c-c}(-2,0)(2,0)
\psline{c-c}(-2.1,6.2)(2.1,1.8)
\endpspicture