Stuck on level 3

[Im_Sexy]

im not liking Requiem guys...i made till this point and i dont know what to do.
Now, if the game is all like this till the end...

What im i supposed to do when i start the level??
I already pressed those 3 buttons, ive active those little vents, ive been to the ketchup section still with the bridge "hanged up"...I dont get it.