The term chambered nautilus is identified in base64 scheme by the sequence Y2hhbWJlcmVkIG5hdXRpbHVz, while the MD5 signature is equal to fbefb7e2a5c61e78d0ffaf05307440e6. The ASCII encoding of chambered nautilus in hexadecimal notation is 6368616d6265726564206e617574696c7573.