Green Flag for a blue tones versions. Press Space for a multiple colours versions. Press Up arrow to see screenshot of Molnar's original art piece. This project was done with multiple costumes. To see a similar looking project made with Pen blocks see: https://scratch.mit.edu/projects/784161543/
Go to SEE INSIDE view to Costumes Tab to see the various squares. Go to Code Tab to see the use of Variables for X & Y positions and nested repeats. The Set Size to 19% and Change X, Y by 44 were decided upon by multiple test runs of coding. Vera Molnar's 1974 work De La Serie Ordres