AGC038A
A - 01 Matrix
https://gyazo.com/07435f052d18ef0ce6e791eb2aff3cc6
Thoughts.
When is it not possible?
I think I can make it up to a size 3.
Can we do it at size 4 and 1 or 2?
No, you can.
https://gyazo.com/40ef9a2254613f1a10926508c5e9ed14
In general, this could work.
https://gyazo.com/39f5a70561868b2debf6af9d8f638871
Official Explanation
I agree
---
This page is auto-translated from /nishio/AGC038A using DeepL. If you looks something interesting but the auto-translated English is not good enough to understand it, feel free to let me know at @nishio_en. I'm very happy to spread my thought to non-Japanese readers.