Here is where all your positioning and relativity issues end.
Especially if you're having problems with logics, maths or algebra.
This tutorial begins with the easiest step and ends with the most difficult step.
Take a look to see how easy (or how difficult) you want it to be.
Step 01
Step 02
Step 03
Step 04
Step 05
Step 06
Step 07
Step 08
Step 09
Step 10
You can also download it to try it out in Blitz.