Sudoku Collection : 200 Very Hard Girandola Sudoku Puzzles 9X9

Girandola is an ordinary sudoku with one extra group of cells. This group must also contain digits 1 through 9.

• • Author: Alena Gurin
• • Publisher: Independently Published
• • Publication Date: Aug 28, 2019
• • Number of Pages: 122 pages
• • Language: English
• • Binding: Paperback
• • ISBN-10: 1689080140
• • ISBN-13: 9781689080149