r22	first Brocard triangle, symmedian lines
d	centroid
d	first Brocard parabola
d	symmedian lines
r221	Johnson triangle, orthocenter
r439	centroid, Steiner circumellipse
r557	symmedian lines, Simson line, circumcircle
r559	anticomplement, perspective, Kiepert hyperbola, Steiner point
r629	perspective, complement, centroid, circumcenter, symmedian point
r845	circumcircle, symmedian lines, orthic axis
r851	orthiac triangles, point X(185)
r853	sinorthiac triangles, symmedian point
c33
r1201	Steiner circumellipse
r1332	symmedian lines, Brocard points
c75	altitudes
r1679	centroid, orthocenter, cevian circle
r1680	centroid, orthocenter, cevian circle, point X(858)
r1681	centroid, orthocenter, cevian circle, point X(468), altitude feet
r2030	circumcenter, centroid, ninecenter
r2042	centroid, concyclic points