The Sudoku puzzle grid consists of 9 rows, 9 columns, and 9 inner boxes. A completed puzzle has the numbers 1-9 in each row, in each column, and in each inner box. To start, some numbers are removed. Solving the puzzle means figuring out what the numbers to fill back in. Sudoku typically are set a level of difficulty. Easy, Medium, and Hard
- | Author: Jack Bell
- | Publisher: Independently Published
- | Publication Date: May 15, 2019
- | Number of Pages: 252 pages
- | Language: English
- | Binding: Paperback
- | ISBN-10: 1093308044
- | ISBN-13: 9781093308044