Find the encryption technique -- 3

Hi, Need an security expert to find out the encryption technique on a data-set. Kindly find attachment containing sample data. Sample data contain 10 sample. Each row has a column value named New ID which is generated using Old ID The New Full ID is just a re-written form on the New ID The Encrypted ID is the one for which the source is unknown , it can be Old ID or New ID or New Full ID The task is to find the values in the cell marked as X and Y respectively All bids must start with the sentence: "I really have read the project description"