Пятнашки

Fifteen - known game of a series of puzzles.

Fifteen - known game of a series of puzzles. In box 16 cells, one of which is not occupied chip. Chips Numbered from 1 to 15. A player can move the pieces in the box by the free cell. The goal - to collect the chips in the box with the numbers in order, using the least possible number of moves (movements). The game ends as soon as the goal is reached.