the Sequence 
By: Maxim Urusov
the Sequence  is the sequel to Maxim Urusov’s popular game, [the Sequence]. It can get tricky, so I’m making a walkthrough guide to help anyone who gets stuck. This is a work in progress, so please bear with me. Feel free to ask for extra help in the comments section.
Levels 1 – 8 are part of the tutorial, so just follow what it shows you.
Level 20: Just follow the tutorial.