Completely stuck on a black puzzle in level 2

Is there a system to navigating the "brown" section?

What's the trick to getting the "lucky" panels?

Level 2. (Cant enter Parts of Speech Room)

hitting my head against a brick wall in a secret endgame area

triple exclamation

Block Help: High Yellow, "FIR"

Code 21

Lost in clock room

Black room need help

Red/Yellow Floor 2 [level 1]

Code the room after code 40

2 Brown Blocks

lavender O [level 2]

Need help with last few puzzles on Level 1 and library