static void Main(string[] args) { int[][] field = new int[][] { new int[] { 5, 3, 4, 6, 7, 8, 9, 1, 2 }, new int[] { 6, 7, 2, 1, 9, 5, 3, 4, 8 }, new int[] { 1, 9, 8, 3, 4, 2, 5, 6, 7 }, new int[] { 8, 5, 9, 7, 6, 1, 4, 2, 3 }, new int[] { 4, 2, 6, 8, 5, 3, 7, 9, 1 }, new int[] { 7, 1, 3, 9, 2, 4, 8, 5, 6 }, new int[] { 9, 6, 1, 5, 3, 7, 2, 8, 4 }, new int[] { 2, 8, 7, 4, 1, 9, 6, 3, 5 }, new int[] { 3, 4, 5, 2, 8, 6, 1, 7, 9 }, }; bool isValid = SudokuValidator.ValidateSolution(field); Console.WriteLine("Press any button to continue."); Console.ReadLine(); }