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too complicated to be written here. Click on the link to download a text file. 

X(2), X(13), X(14), X(15), X(16), X(110), X(125), X(618), X(619), X(1054) extraversions of X(1054) vertices of the 2nd Brocard triangle 

Q123 is the Psi transform of the Neuberg cubic K001. See explanations here. Q123 is a bicircular quartic. 
