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X(2), X(3), X(30), X(69), X(74), X(323), X(1494), X(10419), X(14919), X(20123), X(62338), X(70238), X(73135), X(73136), X(73137), X(73138)

vertices of the cevian triangle of X(1494)

infinite points of the circum-conic (C) with perspector X(3), center X(6)

Q1, Q2 on the circumcircle and on the de Longchamps axis (L), see Table 82

S1, S2 on the trilinear polar (D) of X(1494) and on the circum-conic (C') with perspector X(14919), center X(62606)

Remark : Q1S1 and Q2S2 concur at X(74)

Geometric properties :

K1456 is the isogonal transform of K496, the isotomic transform of K1455 and also the barycentric product X(1494) x K1453.

Recall that X(14919) is the barycentric product X(69) x X(74).