help with halo 3 skulls please?

[kaliox]

I can't find the halo 3 skulls catch and IWHBYD.I am playing on normal difficulty do I need to do this on heroic difficulty or higher.Also could someone post the code for the IWHBYD ring jumps please.

 

[CrimsonBird5]

You can find them on Normal so you don't have to change anything

I do not know the ring order but you could google halo 3 skull's locations because that is what I did and it shows where every skull is.