https:// en.wikipedia.org/wiki/Non-Euclidean_geometry

https:// en.wikipedia.org/wiki/Fractal_compression

https:// math.stackexchange.com/questions/1579998/fractals-using-just-modulo-operation

­Hint:

A factor is immediately weeded out by the VQC for c=15 because gcd(d,e) != 0

factorize d and e