Puzzle "Numbers"

Difficulty: Very Difficult
Goal: Put the numbers into the box.
Dimensions: 14 x 14 x 1.5 cm

This puzzle is just as beautiful in it's resolution as in its form.

The idea is interesting : you have 10 pieces of wood that correspond to the digits 0 through 9. The goal is to position the numbers in such a way as to get them all to fit within the box.

And don't make the mistake in thinking it's as easy as 1 + 1 = 2!!!