Each number represents a shape of that many blocks. Fill in the grid in a way that no like-sized blocks are touching each other.

You can Print sheets of the puzzle, here, or alternatively Play them in your browser, here.

-=-=-


View on YouTube

What I Didn't Do

I'd like the puzzles to have been a little more difficult to solve, but getting the generator to spit out "really" hard puzzles was a puzzle in itself.
I might revisit this later, and see if I can tweak it a bit.