MMA CTF 2nd 2016: glance (Misc) Write-up

Descriptions:

I saw this through a gap of the door on a train.

Solution: 

1. Get a animation gif file and go to http://gifmaker.me/exploder/ for split gif to frame.

2. I want to concat all gif image and go to www.google.com, search and get some command that usefull. http://stackoverflow.com/questions/20737061/merge-images-side-by-sidehorizontally

3. convert +append *.gif out.png

Flag: TWCTF{Bliss by Charles O'Rear}