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X(3), X(6), X(23), X(25), X(111), X(187), X(1177), X(2393), X(2930), X(3455), X(8428), X(10355), X(13493) E = X(3455), X(32)isoconjugate of X(23), isogonal conjugate of X(316) isogonal conjugates of the anticomplements of X(67), X(111) vertices of the tangential triangle 

K108 is the only circular pK with pole X(32). Its pivot is X(23), the farout point. The singular focus is X(14655).
The real asymptote is parallel to the line X(6)X(25). Let A'B'C' be the tangential triangle i.e. the anticevian triangle of K. The three circles PAA', PBB', PCC' are concurrent if and only if P lies on K108 (together with the line at infinity). See also K008, property 4. 
