The term semilunar valve is identified in base64 scheme by the sequence c2VtaWx1bmFyIHZhbHZl, while the MD5 signature is equal to 6d7d90ded4147ab86a92665ea188a81b. The ASCII encoding of semilunar valve in hexadecimal notation is 73656d696c756e61722076616c7665.