DAILY SABAH’S CHALLENGE
Daily Sabah publishes a crossword and a Sudoku puzzle daily. Answers to puzzles can be found the following day. Sudoku is a logic-based, combinatorial number-placement puzzle. 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 contain all digits from 1 to 9.