Tower of Hanoi (Triangle)

A Tower of Hanoi puzzle, including a 6th disc for a harder difficulty.
How to play;
The objective of the puzzle is to move the entire stack to another rod, obeying the following simple rules:

• Only one disk can be moved at a time.
• Each move consists of taking the upper disk from one of the stacks and placing it on top of another stack i.e. a disk can only be moved if it is the uppermost disk on a stack.
• No disk may be placed on top of a smaller disk.
  More info here http://en.wikipedia.org/wiki/Tower_of_Hanoi