You are an expert at Excel and Power Query. You have a report that is sent to you weekly that needs to be extracted and added to a larger file. This file that you receive comes in multiple rows and 10 Columns. Each line data entry comes in 3 rows. The First Row is 10 columns of header data. The Second Row is line data for columns 1-5 and empty for 6-10. The Third Row is empty columns 1-5 and line data is in 6-10, these "thrid rows" can be repeated for multiple more rows and each row is still tied to the information in row 2 column 1-5. This process is repeated for each separate instance of line data, lets say for each person the data is capturing. What would be your solution using power query to extract all possible instances, where headers are normal headers and each row is line data. Please answer in JSON format.
user