Running on Coffee and Chess Sudoku Exercise Both Sides of the Brain Puzzle Book: 400 Challenging Puzzles (Paperback) (ISBN-13: 9798577166298)

♜ Running on Coffee and Chess Sudoku ♜

Running on Coffee and Chess Sudoku is an addicting and fun matching game that will test your ability to problem solve, despite its simple design. The objective is to fill a 9 9 grid with digits so that each column, each row, and each of the nine 3 3 sub-grids that compose the grid which contains all of the digits from 1 to 9. Sounds simple? It's not

FEATURES

• Sudoku is played over a 9x9 grid, divided to 3x3 sub grids called "regions"
• The game begins with some of the grid cells already filled with numbers
• The object of Sudoku is to fill the other empty cells with numbers between 1 and 9
• A number can appear only once on each row, each column and each region
• Work row-by-row or side-by-side, keeping yourself organized
• It's all about delicate planning and execution
• Easy to learn, hard to master