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beginchar(oct"010",.4em#,.5cap#,0dth#); "Zigos";
picture BS;
path p[];
Diam = .4w;
z0 = (w/2,h/2);
x1 = w - x2 = .5curve_sidebar;
y1 = .1h; y2 = .9h;
z3 = .35[z0,z1];
z4 = .35[z0,z2];
z5 = .5[z1,z3];
pickup pencircle scaled .8pt;
p0 = fullcircle scaled .4w shifted (z0);
p1 = z1--z2;
p2 = z3--z4;
p3 = z1--z3;
p4 = p3 rotatedabout(z5,90);
draw p0;
draw p1;
undraw p2;
draw p4;
BS = currentpicture;
endchar;
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