Nicrew 100 question

[John_A]

Has anyone installed the nicrews on each side of your tank vs the back? I've got return pipes stuck on the back of my tank and not able to attach

 

[tzabor10]

Has anyone installed the nicrews on each side of your tank vs the back? I've got return pipes stuck on the back of my tank and not able to attach

Some pictures would help to understand the tank.

 

[John_A]

Some pictures would help to understand the tank.

Not the best but you get the idea