"We'd better increase our chances by having it on more than one crate," says Zero. "If we make it an ID number for a certain item, and come up with fake numbers for the rest so that it looks like a series, then it won't stand out and there'd be even more of a chance they'd all see it at some point."

"That should be easy," says Middy. Meanwhile, the video on the TV is cut off.

"I switched it off for now," Techno explains. "If we watch too long, a security check could spot the backdoor I put in. This way, we might get more use out of it later."