The term calendar method of birth control is identified in base64 scheme by the sequence Y2FsZW5kYXIgbWV0aG9kIG9mIGJpcnRoIGNvbnRyb2w=, while the MD5 signature is equal to 00c2ad485a4a3388cad5cb288caefb26. The ASCII encoding of calendar method of birth control in hexadecimal notation is 63616c656e646172206d6574686f64206f6620626972746820636f6e74726f6c.