Chain Sudoku: 250 Hard Chain Sudoku Puzzles 5X5 (Chain Puzzles)

Chain Sudoku consists of a group of circles arranged in a square grid and containing given clues in various places. The object is to fill all empty circles so that the digits appear exactly once in each row, column and chain.

• • Author: Mindful Puzzle Books
• • Publisher: Independently published
• • Publication Date: May 30, 2019
• • Number of Pages: 146 pages
• • Language: English
• • Binding: Paperback
• • ISBN-10: 1070896373
• • ISBN-13: 9781070896373