func Begin () {
	x0 = 707718;
 	y0 = 9540353;
}
func OnLineHeader () {
        output(LH);
}
func OnTrace () {
	sx = Tr.SrPtXC - x0;
	sy = Tr.SrPtYC - y0;
	rx = Tr.RcPtXC - x0;
	ry = Tr.RcPtYC - y0;
	mx = Tr.SrRcMX - x0;
	my = Tr.SrRcMX - y0;
	bx = Tr.CDPBCX - x0;
	by = Tr.CDPBCY - y0;
	Tr.SrPtXC = sx;
	Tr.SrPtYC = sy;
	Tr.RcPtXC = rx;
	Tr.RcPtYC = ry;
	Tr.SrRcMX = mx;
	Tr.SrRcMY = my;
	Tr.CDPBCX = bx;
	Tr.CDPBCY = by;
        output(Tr);
}
func End () {
}