The term the great calamity is identified in base64 scheme by the sequence dGhlIGdyZWF0IGNhbGFtaXR5, while the MD5 signature is equal to 18c968006ccfc93e6554c7434af317dd. The ASCII encoding of the great calamity in hexadecimal notation is 7468652067726561742063616c616d697479.