The term mental dexterity is identified in base64 scheme by the sequence bWVudGFsIGRleHRlcml0eQ==, while the MD5 signature is equal to 5eb2533f1a36ffbcfedeace1f31a99d0. The ASCII encoding of mental dexterity in hexadecimal notation is 6d656e74616c20646578746572697479.