using System;           

​

public class Program

{   

    public static void Main()

    {

        Console.WriteLine("Sudoku Resolver by Chris Randle (csharpforevermore@gmail.com) September 2023");

        // TODO

        // while board contains zeros

        // for each column

        // for each row

        // if possible solutions is one

        // Set value 

        // Check Board  == Solutions

        if(Puzzle.IsCompleted())

        {

        }

    }

    static int GetFactorial(int number)

    {

        int n = 0;

        for(int i = 1; i< number; i++)

        {

        }

        return n;

    }

}

public static class Puzzle

{

        public static int[][] Board = new [] {

        new [] {5,6,8,0,1,0,0,4,7},  

        new [] {0,0,2,0,0,7,0,0,5}, 

        new [] {0,0,7,0,5,4,8,6,0},  

        new [] {0,2,6,0,4,5,7,0,0}, 

        new [] {0,5,0,7,2,0,4,3,0},  

        new [] {0,7,0,8,0,0,5,2,6}, 

        new [] {0,8,5,0,7,9,0,0,0},  

        new [] {2,0,9,5,3,8,0,7,0},  

        new [] {7,3,0,1,0,2,9,5,8}  

    };

        public static int[][] Solution = new [] {

        new [] {5,6,8,9,1,3,2,4,7},  

        new [] {3,4,2,6,8,7,1,9,5}, 

        new [] {1,9,7,2,5,4,8,6,3},  

        new [] {9,2,6,3,4,5,7,8,1}, 

        new [] {8,5,1,7,2,6,4,3,9},  

        new [] {4,7,3,8,9,1,5,2,6}, 

        new [] {6,8,5,4,7,9,3,1,2},  

        new [] {2,1,9,5,3,8,6,7,4},  

        new [] {7,3,4,1,6,2,9,5,8}  

    };

    public static bool IsCompleted()

    {

        return (Puzzle.Board == Puzzle.Solution);

    }

    public static bool IsContainsZeroes()

    {

        return true;

    }

}