The term swallow-tailed is identified in base64 scheme by the sequence c3dhbGxvdy10YWlsZWQ=, while the MD5 signature is equal to 5b4e38b4a1a453e02fd01e58e4ec66b9. The ASCII encoding of swallow-tailed in hexadecimal notation is 7377616c6c6f772d7461696c6564.