The numbers looked like they were Beale cyphers. The Beale cypher was created in 1885. It was said to be a location of a treasure worth sixty-five million dollars. However, no one had cracked the code to his day. The Beale cypher constrained only numbers, similar to this note. 

Xia Lei wasn’t interested in the legendary treasures, nor did he think that this was a part of the Beale cypher. He used many methods in an attempt to crack it but couldn’t solve the message. 

“What exactly do these numbers represent? Are these location coordinates for Li Youdun to send information to? Or are these the time and location to meet Li Youdun?” wondered Xia Lei bitterly. 

Five minutes later. 

“Wait…” Xia Lei had an idea. “The pigeon had flown directly into the office. This mustn’t be the first time it has passed Li Youdun a note like that. These numbers seemed very random but Li Youdun must have a method to read them. He...