[old] Three Points Circle [old] Three Points Circle
English FR RU

Nicola's discovered a calliper 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 don't 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 the three given...

You should be an authorized user in order to see the full description and start solving this mission.