@options;

@figure;
  O = point( -0.4 , 0.6 )  { rouge , fixe };
  M = point( -5.57 , 6.17 )  { fixe , car+4 , gras };
  X = point( 0.43 , -4.37 )  { vertfonce , car+2 };
  ceOX = cercle( O , X )  { vertfonce };
  dXO = droite( X , O )  { violetfonce , 7 };
  Y = intersection( dXO , ceOX , X )  { marronfonce };
  M' = point( 4.77 , -5 )  { fixe , car+4 , gras };
  N = point( 3.87 , 5.03 )  { fixe , car+4 , gras };
  N' = point( -4.67 , -3.8 )  { fixe , car+4 , gras };
  P = point( 8.23 , 6.63 )  { fixe , car+4 , gras };
  P' = point( -9 , -5.37 )  { fixe , car+4 , gras };
  Q = point( -8.37 , 2 )  { fixe , car+4 , gras };
  Q' = point( 7.57 , -1.23 )  { fixe , car+4 , gras };
  R = point( -9.47 , 7.3 )  { car+4 , gras };
  R' = point( 9.73 , -5.67 )  { car+4 , gras };

@analyse;