using System;

public class Program

{

    public static void Main()

    {

        int[,] arr = new int[,]

                          {{1,2,3,4},

                           {5,6,7,8},

                           {9,10,11,12},

                           {13,14,15,16}};

            int arrDim = (int)Math.Sqrt(arr.Length);

            int[,] arr90 = new int[arrDim,arrDim];

            for(int i=0;i<arrDim;i++){

                for(int j=0;j<arrDim;j++){

                    arr90[i,j] = arr[j,i];

                }

            }

            // PRINT ROTATED BY 90 DEGREE

            Console.WriteLine("Matrix rotated by 90 degree");

            for(int i=0;i<arrDim;i++){

                for(int j=arrDim-1;j>=0;j--){

                    Console.Write(arr90[i,j] + " ");

                }

                Console.WriteLine();

            }

            Console.WriteLine();

            // PRINT ROTATED BY 270 DEGREE

            Console.WriteLine("Matrix rotated by 270 degree");

            for(int i=arrDim-1;i>=0;i--){

                for(int j=0; j<arrDim; j++){

                    Console.Write(arr90[i,j] + " ");

                }

                Console.WriteLine();

    }

}

}