The term lewis and clark expedition is identified in base64 scheme by the sequence bGV3aXMgYW5kIGNsYXJrIGV4cGVkaXRpb24=, while the MD5 signature is equal to 0f6c77e00e75a4d2ba7aaeaa107fc95e. The ASCII encoding of lewis and clark expedition in hexadecimal notation is 6c6577697320616e6420636c61726b2065787065646974696f6e.