Klueless

Many of you would have heard about KlueLESS from IIM – I got this link from a friend of mine recently. WOW gr8 fun.
Struck at 13 level – pretty bad number eeeh ...got the logic but still fighting to decode

http://www.iimi-iris.com/iris/irising/klueLESS/

Update: Spent a whole night to solve this. Phew Fantastic it is. Worth a night sleep. It’s fun to solve it with a friend. There is something more to this, I'm done with this anyway.