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X(4), X(12), X(21), X(72), X(80), X(191), X(502), X(758), X(5080), X(6326), X(10693) isogonal conjugate of X(2948) square roots of X(37) cevians of X(5080) 

K720 is the isogonal transform of the circular cubic K340. K720 is also a circular pKwith respect to ABC and also an isogonal circular pK with pivot X(758) with respect to the yellow triangle. The singular focus is X(14680). 
