The term william butler yeats is identified in base64 scheme by the sequence d2lsbGlhbSBidXRsZXIgeWVhdHM=, while the MD5 signature is equal to b17c7075599b1fb6866f6c50d637c027. The ASCII encoding of william butler yeats in hexadecimal notation is 77696c6c69616d206275746c6572207965617473.