First to solve gets 10 points!?

Question

WARNING!) Requires BRAINS!

This is a 5x5 version of LIGHTS OUT!

Please show me how to solve this...label it like a grid if possible

THX!

~lil_chris_pwns

1 2 3 4 5

A [ ] [ ] [ ] [ ] [ ]

B [ ] [ ] [ ] [ ] [ ]

C [ ] [ ] [ ] [ ] [ ]

D [ ] [ ] [ ] [ ] [ ]

E [ ] [ ] [ ] [ ] [ ]

Answer 1

The search engine is your friend:

http://www.geocities.com/jaapsch/puzzles...

http://en.wikipedia.org/wiki/Lights_Out_...

Answer 2

You may read this:

http://en.wikipedia.org/wiki/Lights_Out_...