Add checkpoint 3,4 for alru0011

Hi 

This is the link for prac3
https://github.com/MansoorAlruithe/2048prac3.git

and This is the link for prac4 
https://github.com/MansoorAlruithe/2048prac4.git

Please add the checkpoints 3,4 for alru0011

Note: I created an issue on your 2014S3 repository with a link to my test plan.


Thanks

Mans