Inverse - Exercise your brainpower,fun mini game

This is a block flipping game to complete a very simple, but want to get good results very challenging.
Pay attention:
Per-click on a box, and the box adjacent squares will change color.
Color change is in order, a total of 2 colors.
When all the squares show the same color, the game ends.
Steps to complete the task, the better.

Come on ,have a try!