Sit in the middle and set the angle of your gaze straight ahead.
Believe what you (don't) see.
It's that second step that's the toughest. That's because it goes against everything ever learned and everything you'll read or hear today. For just a moment, it will become clearly evident that there is nothing between the body and the wall. Nothing. Nada. Zilch.
That's it. All of the evidence of the truth of reality is right there and has been there all along. It's rock solid and will never change. You can bet your life on it.
If you can remember just one instance where a separate self was witnessed, you can toss out everything I've just said and walk away with your 'self' in tow. But if you can clearly see that the view has never, ever been obstructed, if you can clearly see that hearing, tasting, smelling, or touching has never been obstructed or interrupted, you can say that you've clearly seen the truth of reality.
You're seeing it now. Is there a self blocking this blog post?