Matrix rotation, spiral matrix, pattern-matching

How to solve 3X3X3 Rubik's Cube blindfolded?

I know most of you may be afraid of even thinking about how one can solve   Rubik's cube with his eyes closed.So, for your kind information, let me tell you that it is not so much difficult as people think of. It just requires some memorisation and a lot of patience. I, too was scared about it in the beginning. But, I continuously tried hard for blindfold solving and I was able to learn this method in just 2 days. Now, I can solve it blindfolded. My first successful blindfolded solve took about 25 minutes and my current best is 13 minutes and 2 seconds. 

But, before you start trying blindfold cubing, you must know how to solve the Rubik's cube  with your eyes opened and should be able to solve it under 2 minutes.If you do not fulfil above prerequisites, then I strongly recommend you to learn basic cubing first. You can visit my post how to solve a 3x3 Rubik cube.

 
Now, lets come to the point. The most difficult thing one faces in blindfold solving is to memorise the initial state of  the cube. You will have to memorise around 26