

It was in elementary school. We had a multiple choice test and we had to check the circles next to the right answers with an x.
Instead, I put smiley faces in all the right circles and “frowny” faces in the wrong ones and was very proud of the whole sheet. I didn’t really get into trouble, but the teacher was mildly upset and I think I had to go over it to do it the “right” way :(

As for the clock face, a 12 hour face is much easier to read at a glance or from a distance.