02:20:940 (1,2,1,2,1,2,1,1,1) - I prefer your arrangement in beginner and normal difficulties. this arrangement here is a bit too generic. you could consider making it symmetrical.
Agreed, I'll do something else to make it appear less generic. Resolving when updated.
I did a symmetric diamond pattern :D, resolved
02:24:758 (1) - no need nc imo
Sure, removing NC. Resolving when updated.
Updated