Creator: Luis Enrique Cepeda Alvarado
The Sierpiński curve is a space-filling fractal on a hexagonal lattice,
generated by the L-system A → B-A-B, B → A+B+A with both symbols
drawing forward. Three even-order stages (2, 4, and 6) show the progressive
refinement of the curve that visits every point of a Sierpiński-type partition.
