Anyone who's ever been tasked with writing lines will tell you it quickly gets boring. Very boring.
However, one student who was served up such a punishment found an ingenious way to make the "sentence" a little less arduous.
Posted on social media site Imgur, the anonymous pupil was clearly hoping to pull the wool over the eyes of his teacher with his clever time-saving technique.
The lines begin neatly enough; with the sentence "I will make better choices" written by the teacher at the top and then copied five times by the youngster in question.
Then the real skill begins; the student works out that if he takes any letter that has a straight back on it eg an I, l, k, b, t and h, then one line written vertically from the top of the page to the bottom will take care of all those letters, bar a few minor tweaks.