Printable PDF Sudoku Level 4 - 400 Hard Sudoku Puzzles with Answers - Instant Download Digital download Digital file type(s): 4 PDF Height: 11 inches Width: 8.5 inches The offering consists of 4 PDF files, each of which has 125 printable pages with 100 difficult sudoku problems and solutions. Each page has one puzzle or four answers; Please keep in mind that this is a PDF digital download file. There will be no actual objects shipped to you. You download and print this product using your compute