Hitori: 250 Challenging Logic Puzzles 9x9 (Hitori Collection)
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250 Challenging Logic Puzzles 9x9.Hitori (from Japanese "Hitori ni shite kure"; literally "let me alone") is played on a grid of squares. At the beginning, each cell contains a number. The goal is to paint out some cells so that there are no duplicate numbers in any row or column, similar to the solved state of a Sudoku puzzle (except with black squares added to the grid).Orthogonal connections are important as well; painted-out (black) cells cannot be connected orthogonally, and the other cells must be connected orthogonally in a single group (i.e. no two black squares can be adjacent to each other, and all un-painted squares must be connected, horizontally or vertically, to create a single shape).
- • Author: Mindful Puzzle Books
- • Publisher: Independently published
- • Publication Date: Oct 12, 2018
- • Number of Pages: 144 pages
- • Language: English
- • Binding: Paperback
- • ISBN-10: 1728736390
- • ISBN-13: 9781728736396
