Nesto

My second entry for the October Formule Challenge from

Formule in the colouring algorithms (both inside and outside) must contain "Triangle Inequality" Ultra Fractal monthly Challenges Redux! Vol. 45What are these UF challenges?
How do challenges work and how can I participate?
Can I help promoting the challenges in some way?
What if I have an idea for a future challenge?
You can find all this information and more in the Ultra Fractal challenges FAQ, which is also part of our very first UF challenge, the one for February 2011.
If you already know the rules, then you're good to go - read on for this month's challenge!
Previous editions:
You can find all of the previous challenges in this journal. Please keep in mind that the challenge rules changed after the 26th edition!

Now we can go on with the last challenge's results, and then I will introduce this month's challenge to you all.
Here is the