Sorry to be a bother, but have you seen

https://steemit.com/steem/@lextenebris/steem-visualizing-vote-histories-on-the-blockchain

https://steemit.com/technology/@lextenebris/steem-study-yes-more-flows-out-than-in

or some of his other posts on votes, transfers and other data visualized?

I think the single best feature of your post has to be how you say the word strange in quotes.

Strange voting patterns indeed, my friend. I wonder how they got to relatively equal rep levels. ;D