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X(4), X(5), X(54), X(143), X(195), X(265), X(1154), X(1263), X(2070)

K464 is the locus of contacts of tangents drawn through X(1263) – X(399) of the orthic triangle – to the circles passing through X(5) and X(143) – X(5) of the orthic triangle.

Thus, K464 is a focal cubic with singular focus X(1263).

K464 meets the cubics K050 and K439 at nine identified points.

The isogonal transform of K464 is K467.

See also Table 46 and the related K800.