The term petersburg campaign is identified in base64 scheme by the sequence cGV0ZXJzYnVyZyBjYW1wYWlnbg==, while the MD5 signature is equal to e46a6b683681baccbdf1c3dbb55a51e1. The ASCII encoding of petersburg campaign in hexadecimal notation is 706574657273627572672063616d706169676e.