r992	cevian triangle, centroid, incenter, orthocenter, symmedian point, Gergonne point, Nagel point
r1097	excircles, perspective, excentral triangle
r1203	perspective, medial triangle
r1226	Gergonne point, Euler line
r1273	point X(75), Gergonne point, incenter
r1519	excircles, incenter, orthocenter, circumcenter, radical center
r1529	incenter, orthocenter
r1646	Feuerbach point, Nagel point, cevian circle
r1868	ninecircle, orthocenter, tangent circles
r2035	antiorthic axis, circumconic, symmedian point, anticevian triangle, perspective, intangential triangle
r2055

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