Hehe, yes your solution's ending is hard. Rector's solution is also
technically unintended, but I like it as well so it will stay. I don't really want to prevent your solution either because it's pretty nice. Plus, it's hard to prevent it without blowing up the size of the test, so I won't really bother.
I attached my intended solution demo. This is the one I had in mind when I designed it.
(Also, I'm finding it kind of neat that 3 people played this test and came up with 3 different solutions 
and 2 of them used a silly method of getting the box across the long fizzler 
)
