1 upvotes, 1 direct replies (showing 1)
[deleted]
Comment by DramDemon at 08/05/2019 at 14:50 UTC
1 upvotes, 0 direct replies
There is a 4x4 square in the middle that never moves. It is partially obstructed due to the angle of the circular wave pattern, but you can assume it is 4x4 if you watch each side of it.