The term geometrical irregularity is identified in base64 scheme by the sequence Z2VvbWV0cmljYWwgaXJyZWd1bGFyaXR5, while the MD5 signature is equal to d57ff966878ef4940eb19446c74c860c. The ASCII encoding of geometrical irregularity in hexadecimal notation is 67656f6d6574726963616c206972726567756c6172697479.