Problems at getting the Golden Coin in Bangkok?

Here we go again. I'm reupdating the challenge in Hitman 2 because, in this game, there is a problem with the hitbox of the rocks right under the mirror (at least for me). I hope this can help you with this challenge:
https://www.youtube.com/watch?v=hD0Di9LNCFs&feature=youtu.be

Video: