Unsolvable puzzle?

Feedback Bug Reports
1

Hi!

I’d like to report an unsolvable puzzle and request that it be marked as such:

http://eterna.cmu.edu/eterna_page.php…

It’s one of Brourd’s, made for a bet I didn’t want to agree to. He can probably testify himself about the unsolvability.

2

Hi drake178,

Thank you for the pointer. We’ll ask Brourd about the puzzle and take down the puzzle if necessary.

3

I’ve made a screenshot for you. I considered just making an unsolvable puzzle myself, but then decided not to mess around :smiley:

http://eterna.cmu.edu//sites/default/…

It works by deleting the last couple bases in a lab puzzle then undoing and then redoing it, that last step enabling you to recolor a few of the last ones. All you need is a shape that needs a color downstream of a stack in a multiloop, this is a perfect one.