If you’re stuck on solving backwash, give yourself some time! This is a tricky problem, and the solution might come to you while you’re doing something else.

Do work for another class, eat, exercise, take a nap, and make some artwork in the InteractivePercolationVisualizer.

If you’re still stuck after doing all of the above, then it may be time to look at the first hint.

Hint 1 #

Highlight the below text to reveal.

Backwash is caused by the bottom virtual site. What if you didn’t have it?

Still don’t know what to do? Don’t worry; give yourself some time to come up with a solution. Try drawing a pair of dice in the InteractivePercolationVisualizer.

Hint 2 #

Don’t read this hint immediately! Give yourself some time after reading hint 1.

This hint is encoded with rot13, which you can decode here.

N JDH jvgubhg gur iveghny obggbz fvgr jbhyq fbyir onpxjnfu. Ubjrire, lbh arrq n JDH jvgu gur iveghny obggbz fvgr gb znxr qrgrpgvat crepbyngvba rssvpvrag.

Still don’t know what to do? Don’t worry; give yourself some time to come up with a solution. Try drawing two apples in the InteractivePercolationVisualizer.