1: Search %15, 2: Copy the weird square thing (CTRL+C), 3: Create a new project, 4: Go to my blocks then create a block, 5: Paste the weird square thing (CTRL+V), 6: Look at what it gives you.
Credits to the "How To Break Scratch" Series showing me this. P.S. Look inside the project maybe you will see it I'm not sure comment if you do
