
The 81 first digits of 'pi' displayed as sets of concentric various curves (bird's-eye view) [Les 81 premiers chiffres de 'pi' visualisés comme ensemble de courbes variées concentriques (vue aérienne)].
                    5----1----4
                    |         |    .
                    |         |    .
                    9    3----1    .
                    |              |
                    |              |
                    2----6----5----3
and then displayed using sets of miscellaneous concentric colored curves (N ones for the digit 'N').