The "15 puzzle" is well known throughout the world. The idea behind it is quite simple: slide the tiles around the board to align them in ascending order. However, switch two certain tiles in their places, and the puzzle becomes impossible to solve.
There is a strict yet elegant mathematical theory backing it up. Simplicity and minimalism on one side, structure and elegance on the other: such dual nature of this puzzle led us to select it for implementing as out first application for iPhone.
In many ways, it perfectly reflects our own vision of life, of the world, and of what we do and how we do it.
