The term matrilineal sib is identified in base64 scheme by the sequence bWF0cmlsaW5lYWwgc2li, while the MD5 signature is equal to d66ff01f83d7590c1b955c4bca4deb98. The ASCII encoding of matrilineal sib in hexadecimal notation is 6d617472696c696e65616c20736962.