Bond, James Bond

Unfortunately, we recently found that some of our colleagues are double agents or moles as we call them. We know the exact number of moles, but we don't know who exactly they are. To find it out, we secretly ordered every agent to keep an eye on another agent. So Agent A spied on Agent B, Agent B spied on Agent C, and so on, and the last agent spied on Agent A. Every agent made a report on their t