Math Logic Puzzles For Adults: Roma Puzzles - The Best Puzzles Collection (Paperback) (ISBN-13: 9781719807739)

Roma is a logic puzzle published by Nikoli. A rectangular or square grid is divided into regions. Some cells of the grid contain black circles. The goal is to place arrows pointing in four directions in each empty cell. Each region must contain all different arrows. Starting with any cell, following the arrows from cell to cell, this path must end in the cell with the black circle.

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