r1218

Let A'B'C' be a triangle inscribed in ABC; let Ab, Ac be the reflections of A in B', C' and define analogously Bc, Ba, Ca, Cb. The ninecircles of  AAbAc, BBcBa, CCaCb concur. When A'B'C' is the cevian triangle of X(186), the concurrence point is X(403).

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