Press 1,2,3 to select tower to move from. Then press 1,2,3 to move the top disk to that tower. Pressing UP, or DOWN arrow changes the number of disks and resets them to tower 1. Press "a" to make scratch solve the puzzle
The goal is to get all disks from tower 1 to tower 3. You can only move one disk at a time, and you can not put a larger disk on a smaller one.