using System;

public class Program

{

    public static void Main()

    {

        int arrayWidth = 3;

        int arrayHeight = 2;

        int[,] multiArray = new int[arrayWidth,arrayHeight];

        int initialValue=0;

        for(int i = 0; i<arrayWidth; i++)

        {

            for(int j = 0; j<arrayHeight; j++)

            {

                multiArray[i,j] = initialValue;

                initialValue++;

            }

        }   

        int[] flatArray = new int[arrayWidth * arrayHeight];

        // - Flatten the multidimentional array

        for(int i=0; i<arrayWidth; i++)

        {

            for(int j=0; j<arrayHeight; j++)

            {

                int flatIndex = i * arrayHeight + j;

                flatArray[flatIndex] = multiArray[i,j];

            }

        }

        foreach(var a in flatArray)

        {

            Console.Write(a + " ");

        }

    }

}