I quite liked this space. I believe it is another similar triangle.

0 1
2019-06-21

I found at least one with only 1 horizontal or vertical line and at least one with 4 horizontal or vertical lines.

0 2
2019-05-03

I've been having a play... https://t.co/VPjcGbP6Ye

What is the same and what is different?

6 15
2018-11-08