Nilgiri's 1st PC
These are 32 4-piece patterns with very high PC chances covering all opening mino sequences for your first PC. Credit to Nilgiri.
There are many patterns, but a lot of them can be grouped so that it would be easier to memorize them.
PCO Variations. They are easier to learn:
The third one below is a pattern not covered here, but it has a 90.24% chance.
- 1st PC setup pattern Google Sheet by Nilgiri306
thanks to Bladewood for the tip on similar shapes