Inspired by the DNA sequence - our DNA is long chain of 4 letters (represented by 4 colors) - adenine (A), cytosine (C), guanine (G), and thymine (T).

Another inspiration for this series was the classic minimalist piece by Sol LeWitt titled "Six Thousand Two Hundred and Fifty Five Lines".
See it in the collection of Museum of Modern Art (MoMA)
https://www.moma.org/collection/works/147072