In order to deal with cheating, the Ministry of Education has come up with various ways to solve the problem of roll paper, and roll paper is one of them.

In order to make cheaters have no rules, the arrangement of flower rolls is out of order. Some papers may be arranged in the wrong order, while others may have only a few questions that upset the arrangement.

No one knows the details. If the law is leaked (in fact, there is no law), it will not work.