1: var board = new char[9,9]
2: {
3: {'5', '3', ' ', ' ', '7', ' ', ' ', ' ', ' '},
4: {'6', ' ', ' ', '1', '9', '5', ' ', ' ', ' '},
5: {' ', '9', '8', ' ', ' ', ' ', ' ', '6', ' '},
6: {'8', ' ', ' ', ' ', '6', ' ', ' ', ' ', '3'},
7: {'4', ' ', ' ', '8', ' ', '3', ' ', ' ', '1'},
8: {'7', ' ', ' ', ' ', '2', ' ', ' ', ' ', '6'},
9: {' ', '6', ' ', ' ', ' ', ' ', '2', '8', ' '},
10: {' ', ' ', ' ', '4', '1', '9', ' ', ' ', '5'},
11: {' ', ' ', ' ', ' ', '8', ' ', ' ', '7', '9'},
12: };