Sudoku Collection : 200 Hard Even-Odd Sudoku Puzzles 9X9

Even-Odd Sudoku: fill in the grid so that every row, every column, and every 3 x 3 box contains the digits 1 through 9. Cells with gray circles must contain odd digits, cells with gray squares must contain even digits.

• | Author: Alena Gurin
• | Publisher: Independently Published
• | Publication Date: Sep 05, 2019
• | Number of Pages: 122 pages
• | Language: English
• | Binding: Paperback
• | ISBN-10: 1691151068
• | ISBN-13: 9781691151066