The term painful sensation is identified in base64 scheme by the sequence cGFpbmZ1bCBzZW5zYXRpb24=, while the MD5 signature is equal to a3ed015c80fb8ade0e6c111e359c7ee0. The ASCII encoding of painful sensation in hexadecimal notation is 7061696e66756c2073656e736174696f6e.