The name of the puzzle is king-stacked-frogs.
Load init-kstacked-frogs.
Ok.
If the number of the locations between a location and a covered location is the number of the blocks that are on the covered location then you can move it onto the former location.
If a location is below an object then it is covered.
There is six.
Load final-kstacked-frogs.
The goal is that all the blocks are on a red location.
Ok.
Done.
No.