5th PC Patterns
Some patterns that you could use for your 5th PC. Credit to JimothyJimothy. These are optional to learn.
100%. Note how the position of I is fixed on all solutions.
100%. There are actually multiple ways to build this shape. Here is a Google Sheet compiled by smolfeesh showing them.
The first one makes the same shape as TI with IJSZ, but the shape is mirrored, so the solutions are slightly different.
No good setup, mainly because of how you are guaranteed to have four S/Zs at minimum.