The term rhythm method of birth control is identified in base64 scheme by the sequence cmh5dGhtIG1ldGhvZCBvZiBiaXJ0aCBjb250cm9s, while the MD5 signature is equal to 49e31079d00cbe1b6d8cabb5c266195d. The ASCII encoding of rhythm method of birth control in hexadecimal notation is 72687974686d206d6574686f64206f6620626972746820636f6e74726f6c.