r160	Euler line, point X(858)
r598	tripolar, third Brocard point
r644	point X(110), circumconic, Lemoine line, Steiner point, circumcircle, isogonal lines, isotomic lines
r1005	perspective, cevian triangle, medial triangle, ninecircle
r1125	Steiner point, Droussent point
r1146	circumcircle, Exeter point
r1174	Tarry point, centroid, symmedian point, isotomic points
r1191	Tixier point, point X(110)
r1196	point X(523)
r1350	Simson line, point X(74), orthic axis