The 128 first prime numbers displayed modulo the 16 smallest ones -spiral like trajectories- [Les 128 premiers nombres premiers visualisés modulo les 16 plus petits d'entre-eux -trajectoires en forme de spirales-].
SPN = 41 SPN = 43 SPN = 47 SPN = 53
SPN = 23 SPN = 29 SPN = 31 SPN = 37
SPN = 11 SPN = 13 SPN = 17 SPN = 19
SPN = 2 SPN = 3 SPN = 5 SPN = 7