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X(2), X(3), X(6), X(574), X(599), X(5094), X(5486), X(8542), X(11165), X(14357)


E = X(5094), on the Euler line

K284 is the pK with pole X(574), the isogonal conjugate of the perspector of the Lemoine ellipse, and pivot the centroid G. It is the isogonal transform of K283.

It has the same points at infinity as pK(X6, X1992) and meets the circumcircle at the same points as pK(X6, X599), the Steiner ellipse at the same points as pK(X2, X574).