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% l
input ../def;

beginchar(108, 7);
    x1 := 3.0 * ox;
    y1 := 20.0 * oy;
    x2 := 3.0 * ox;
    bot y2 := 0.0 * oy;
    x3 := 4.0 * ox;
    y3 := 21.0 * oy;
    x4 := 4.0 * ox;
    bot y4 := 0.0 * oy;

    draw z1 -- top z2; 
    draw z3 -- top z4; 
    
    serif(1, 2, 3, 4, 0);
    serif(2, 1, 4, 3, 2, 1);     


endchar(4);
end;