Considering the complexity of the image, it's probably not advisable to tackle this particular cube puzzle unless you understand the underlying principles of the Rubik's Cube. Many people don't appreciate that the Rubik's Cube is actually a highly ordered system, and for people that have figured out how the system works, they can manipulate the cube to make it look any way they want to. That's where these more difficult cubes, such as the Grayscale Cube, come into the picture as they up the challenge.