Classic puzzle game is the "Tower of Hanoi". It is completion is moved to the right end of the stick all the disk at the left end. Rules are the following two. It is possible to move only the top disk 1. Each bar. It is impossible to put a larger disc than the discs 2. Below. Number of bars three kinds of 3, 4 and 5. The number of disk is 4-24. When the 3-bar, it will take 1 million or more steps to move the disk 20, If the 5-bar, step 1000 does not start.