Sudoku Patchwork - 200 Hard to Master Puzzles 10x10 (Volume 48)

Patchwork (also known as "Tatami") consists of a square grid divided into regions ("rooms") .Each room must be filled with each of the digits from 1 to the number of cells in the room.Every row and every column must contain the same amount of each digit.Same digits must not be orthogonally adjacent.. The puzzle book contain:* 200 Puzzles* Handy 6 x 9 inch Book Layout* 2 Puzzles per Page* Ideal for Experts. In the book you will find a description and examples of solutions for all puzzles.The book is for those who like logic and math problems. Decide, developing and improving.