//cycles du haut
for(n=1;n<=20;n++){
	c=ExecuteMacro("horicycle","l1,G"+n);
	SetColor(c,"red");
	DPSymmetry("G"+(n+1),"G"+n,"G"+(n-1));
	SetHide("G"+(n+1),true);
}
//cycles du bas
c=ExecuteMacro("horicycle","l1,F1");
SetColor(c,"red");
DPSymmetry("F2","F1","G0");
SetHide("F2",true);
for(n=2;n<=20;n++){
	c=ExecuteMacro("horicycle","l1,F"+n);
	SetColor(c,"red");
	DPSymmetry("F"+(n+1),"F"+n,"F"+(n-1));
	SetHide("F"+(n-1),true);
	
}