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X(3), X(4), X(30), X(74), X(671), X(13509), X(14094), X(14366), X(14536) isogonal conjugates of the X3OAP points 

The isogonal transform K854 of K811 is the only circular circumcubic passing through the isogonal conjugates of the X3OAP points of Table 53. Its singular focus is X(399). It is the DrozFarny cubic DF(X3) as in CL039. K854 and K811 generate a pencil of circular cubics containing the Neuberg cubic K001, the union of the Euler line and the circumcircle, also the focal cubic K187. See Table 54, line Q = X30 in the table. K854 also belongs to another pencil of cubics passing through the isogonal conjugates of the X3OAP points. This contains K006, K080, etc. See Table 54, column P = S' in the table. All these cubics are spKs as in CL055.
