from what i remember, all of those pillars have the lights above them if you havent killed the nightmare and gotten the synergy buff from it

i did a bastion nymic last week and did all 3 puzzles for my cousin who it was first time doing one and this puzzle worked fine for me

the puzzle that was bugged for me was the mora wing, as the icons that you toggle appeared inside of the pillars instead of over them making it annoying to see which one was set