The name of the puzzle is knight-side-swap.
Load init-ksideswap2.
Ok.
If a clear location is jumpable by a block then you can move the block onto the clear location.
If a location is not below an object then it is clear.
If an object that is alongside a block is diagonal with a location that is not next to the block then the location is jumpable by the block.
The solution has four steps.
Load final-ksideswap2.
The name of the goal is red-blue-matched.
Ok.
The goal is that all the red blocks are on the red locations and all the blue blocks are on the blue locations.
Done.
No.