r230	third Brocard point, Spieker point, Mittenpunkt, point X(190)
r266	Gergonne point, Nagel point, point X(65), retrocenter
r1271	complement, anticomplement, equal parallelian point, point X(37)
r1272	cevian product, centroid, Nagel point
r1273	Gergonne point, incenter, Mittenpunkt
r2055