Literally running into the exact same issues as you did. Had the same results when translating by hand, and same results when using the Kmeans with Naive Sharding Centroid Initialization. I appreciate that this challenge led me to learning new things about clusters, but I came here to improve my coding skills, not my statistics skills, and I am beyond frustrated at the moment.

Update: I was able to get my solution to pass. Thanks for mentioning the initialization, as that is where mine was seemingly off.

"Also if you have trouble discerning if the particular sequence of 1's is a dot or a dash, assume it's a dot."

By this logic, what's preventing someone from assuming every sequence of '111' is just a dot with extra 1s?

I swear 95% of the users overlooked that