The term unpleasantness is identified in base64 scheme by the sequence dW5wbGVhc2FudG5lc3M=, while the MD5 signature is equal to e4b0f1b2f30e8bc89055b6f059f62f63. The ASCII encoding of unpleasantness in hexadecimal notation is 756e706c656173616e746e657373.