The 180 first digits of 'pi' displayed as a Labyrinth [Les 180 premiers chiffres de 'pi' visualisés comme un labyrinthe].

                    5----1----4
                    |         |    .
                    |         |    .
                    9    3----1    .
                    |              |
                    |              |
                    2----6----5----3

0

1

2

3

4

5

6

7

8

9