Graph Crasher - free

In this game you need to convert each graph to a special graph which it's connected nodes have different colores.
You need to do it in minimum clicks, and minimum colors.

The trick is to use a less clikcs as possible, in order to pass the stage, and crash the graph.

Default color of each node is white (0 clicks)
One click on node will change its color itto blue.
Two clicks on a node will change its color to red.
Three clicks on a node will change its color to green.

Sooooo, lets see how smart you are!!

check the following link for more information on graph coloring:
http://en.wikipedia.org/wiki/Graph_coloring