The term two-dimensionality is identified in base64 scheme by the sequence dHdvLWRpbWVuc2lvbmFsaXR5, while the MD5 signature is equal to bf84757f894cc970e3e226b942f17493. The ASCII encoding of two-dimensionality in hexadecimal notation is 74776f2d64696d656e73696f6e616c697479.