Puzzles Based On Mathematics: Firumatto Puzzles - The Best Puzzles Collection

By Jeff Heldt

Firumatto ("Fillmat") is a logic puzzle published by Nikoli. A rectangular or square grid contains digits in some cells. It is necessary to divide the grid into rectangular regions. Every region must be exactly one cell wide; the other side of the region has length from 1 to 4 cells. A cell with a number indicates the size of a region. Two regions of the same size must not be orthogonally adjacent. A grid dot must not be shared by the corners of four regions.

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• Format: Paperback
• Language: English
• ISBN: 171981239X
• ISBN13: 9781719812399
• Release Date: August 2018
• Publisher: Independently Published
• Length: 116 Pages
• Weight: 0.40 lbs.
• Dimensions: 0.3" x 6.0" x 9.0"