The term langue d'oil french is identified in base64 scheme by the sequence bGFuZ3VlIGQnb2lsIGZyZW5jaA==, while the MD5 signature is equal to b57ca0937a342d2a7c8cf5b87f8c1aa7. The ASCII encoding of langue d'oil french in hexadecimal notation is 6c616e6775652064276f696c206672656e6368.