The term absence without leave is identified in base64 scheme by the sequence YWJzZW5jZSB3aXRob3V0IGxlYXZl, while the MD5 signature is equal to 4df191929a10bf689554ead8942c05b8. The ASCII encoding of absence without leave in hexadecimal notation is 616273656e636520776974686f7574206c65617665.