The term systematic desensitisation is identified in base64 scheme by the sequence c3lzdGVtYXRpYyBkZXNlbnNpdGlzYXRpb24=, while the MD5 signature is equal to f767b3a0cc71b28bfb1c5e1defa459d5. The ASCII encoding of systematic desensitisation in hexadecimal notation is 73797374656d6174696320646573656e73697469736174696f6e.