Both on the puzzles page and in the client, two beginner puzzles appear twice:
This might be a bit confusing to newcomers. On the other hand, it's an easy way to earn double points.
Do you know when these first showed up?
No, I just happened to notice since I was updating the wiki help for these puzzles.
Looking at the puzzles page, I see that Symmetry Design is also duplicated, missed that.
Looking further back, the previous set of beginner puzzles were not duplicated:
So I'd suspect that the issue struck when the previous cycle of Docking Design ended on 4/6/17.
The latest Easy Mini Freestyle, which was just posted, is not duplicated.
Seems resolved, closing.