Sudoku Ripple Effect - 200 Easy To Master Puzzles 9X9

Ripple Effect (also known as "Hakyuu", "Hakyuu Kouka", "Hakyukoka", "Seismic") is a logic puzzle published by Nikoli. The puzzle consists of a rectangular grid of any size divided into polyomino sections called "rooms". Each room must be filled with each of the numbers from 1 to the number of cells in the room. If two identical numbers appear in the same row or column, at least that many cells with other numbers must separate them.

• • Author: Dart Veider
• • Publisher: Createspace Independent Publishing Platform
• • Publication Date: Jul 06, 2018
• • Number of Pages: 136 pages
• • Language: English
• • Binding: Paperback
• • ISBN-10: 1722266449
• • ISBN-13: 9781722266448