Data entry - PDF scans into excel

Data entry from a PDF printed spreadsheet to be entered into one excel sheet.

See the two attached files for the first pages of the file. There are 100 pages in total.
File no. 1 is side A (to go on the left)
File no. 2 is side B (to go on the right of side A)

In file no. 1 the far left column has a row reference starting from no. 1 and goes to row 5850.
In file no. 2 the far right column has the same row reference from no. 1 to row 5850 this will help match the rows so they all go on one sheet.

There are 5850 rows in total with 24 columns

See file no. 3 for the spreadsheet format and how it should be filled in.