I was solving problems in codeforces as I usually do, but I was a bit bored of thinking about a problem, so I opened my submission to see the test cases that are failing my submission -wich is bad, but I was bored :)- , but something unusual happened.
I was supposed to click this thing one time to show up the tests, but instead I spam clicked it, and the test cases appeared normal, but it reapeared after the 11-th case like this:
Is this a bug in codeforces or it's just my bad internet? Try it yourself.