Small Chain Sudoku - 200 Hard Puzzles 4X4

Chain Sudoku (also known as "Strimko") 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: Dart Veider
• • Publisher: Createspace Independent Publishing Platform
• • Publication Date: Jul 30, 2018
• • Number of Pages: 136 pages
• • Language: English
• • Binding: Paperback
• • ISBN-10: 1722714905
• • ISBN-13: 9781722714901