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If your go to the Witness page

https://steempeak.com/me/witnesses

it becomes pretty obvious:

image.png

How could you miss the grey band default avatar and blue marked version 0.22.5 of sock puppet accounts?

You can vote for anyone who doesn't have a default avatar and doesn't run version 0.22.5.

Done! Thank you for your help. I didn't know that website.

It's 10/10 again — looks like it worked ;-)