Logan and Seth are fellow con artists who deliver coded messages to each other to communicate. Recently Seth was put in jail for stealing a rare and expensive diamond. Only a few days after this, Logan sent him a friendly letter asking him how he was. On the inside of the envelope of the letter, he hid a code.
Yesterday, Seth escaped and left the envelope and the letter inside the jail cell. The police did some research and found the code on the inside of the envelope, but they haven't been able to crack it.
The code is as follows:
Could you help the police to decipher the message?