Programming Sudoku (Technology in Action) Wei-Meng Lee

Sudoku is the wildly popular new puzzle game. Sudoku puzzles are 9x9 grids, and each square in the grid consists of a 3x3 subgrid called a region. Your goal is to fill in the squares so that each column, row, and region contains the numbers 1 Это и многое другое вы найдете в книге Programming Sudoku (Technology in Action) (Wei-Meng Lee)