28. Big list of naughty strings:
https://github.com/minimaxir/big-list-of-naughty-strings/blob/master/blns.txt
Creative and Critical Thinking and Testing:
http://steveo1967.blogspot.com/2013/03/creative-and-critical-thinking-and.html
Kołcz Majk:
https://www.youtube.com/watch?v=ERvyBjKdMUo