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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. 
