Problem-of-apollonius solver

This is a problem-of-apollonius solver. This program finds all 8 possible circles touching the three given circles.

All you need to do is just to give 3 circles. Then this program finds all circles touching the given circles.

Download the program (This is a C# program. You need to compile it locally,):
https://github.com/lechatthecat/ApolloniusCirclesDrawer

The essence of the code is described in Rosetta code:
http://rosettacode.org/wiki/Problem_of_Apollonius#C.23

About why this calculation finding the solution circles, read algebraic solution, probelm of apollonius, Wikipedia.