Fifteen Puzzle

In this post, I'll introduce to my readers, another popular puzzle called Fifteen Puzzle.

Actually, you might not see this puzzle quite common now, but I'm sure you have see many of its variants before, and probably even played one before when you were a small kid, something like this:
These puzzles, are considered as the variations of the original Fifteen Puzzle.
The aim of the puzzle, is to rearrange the pieces, 1 at a time, from the scrambled state to the original state like what you saw in the top picture. There is only 1 movable piece at a time, as the empty space on the puzzle can only fits 1 moving piece.

You can try out the puzzle by clicking this link.
Watch the video below for tutorials on how to solve this puzzle:


According to 'The 15 Puzzle', a book published by Jerry Slocum and Dic Sonneveld in 2006, the fifteen puzzle was invented by Noyes Chapman, the Postmaster of Canastota in New York.