Tower of HanoiFree, no sign-up

There are 3 pegs and discs of different sizes. You can move only one disc at a time, and you can never put a bigger disc on top of a smaller one. Move every disc from the left peg to the right peg to win.

With n discs it's 2 to the power of n minus 1: 15 moves for 4 discs, 31 for 5, 63 for 6 and 127 for 7. Move the smallest disc in the order left → right → middle → left… for an odd number of discs, or left → middle → right → left… for an even number, and in between make the only other legal move. That gives the minimum.

Click (tap) the peg with the disc you want to move to pick it up, then click the peg where you want to put it. On a keyboard, keys 1, 2 and 3 are the left, middle and right pegs. Illegal moves aren't allowed.

By time, fastest first; ties go to fewer moves. You only need a nickname, and you can submit up to 30 times a day per disc count. The server replays your moves to verify them.