Nicola discovered a caliper inside a set of drafting tools he received as a gift. Seeing the caliper, he has decided to learn how to use it.
Through any three points that do not exist on the same line, there lies a unique circle. The points of this circle are represented in a string with the coordinates like so:
Where x1,y1,x2,y2,x3,y3 are digits.
You should find the circle for three given points, such ...