Press space and enter a number in range 2-13. The computer will show the minimum steps to getting the solution for that amount of layers The rules are shown below, try the puzzle yourself with books then watch the computer solve it. The goal of the puzzle is to move all the blocks from the leftmost spot to any other spot, but have all blocks on the same spot (there are 3 spots), adhering to the following rules: 1. Move only one block at a time. 2. A larger block may not be placed on top of a smaller block. 3. All blocks, except the one being moved, must be on a spot.
https://www.youtube.com/watch?v=2SUvWfNJSsM explains how this works.
