View difference between Paste ID: tJtw8RrH and 5uJvhn2m

 namespace StringMatrixRotation
 {
     using System;
     using System.Collections.Generic;
     using System.Linq;
     using System.Text.RegularExpressions;
 
     public class StringMatrixRotation
     {
         public static void Main()
         {
             string degreesString = Console.ReadLine().Trim().ToLower();
 
             Regex rg = new Regex(@"rotate\((\d+)\)");
 
             int degrees = int.Parse(rg.Match(degreesString).Groups[1].ToString());
             int rotationsCount = (degrees / 90) % 4;
 
             List<string> lines = new List<string>();
             string input = Console.ReadLine();
 
             while (input != "END")
             {
                 lines.Add(input);
                 input = Console.ReadLine();
             }
 
             char[][] matrix = new char[lines.Count][];
             int wordsLen = lines.Max(r => r.Length);
 
             for (int row = 0; row < lines.Count; row++)
             {
                 matrix[row] = lines[row].PadRight(wordsLen).ToCharArray();
             }
 
             for (int i = 0; i < rotationsCount; i++)
             {
                 matrix = Rotate(matrix);
             }
 
             PrintMatrix(matrix);
         }
 
         private static void PrintMatrix(char[][] matrix)
         {
             foreach (var row in matrix)
             {
                 Console.WriteLine(string.Join("", row));
             }
         }
 
         private static char[][] Rotate(char[][] words)
         {
             char[][] result = new char[words.Max(w => w.Length)][];
 
             for (int row = 0; row < result.Length; row++)
             {
                 result[row] = new char[words.Length];
 
                 for (int col = 0; col < result[row].Length; col++)
                 {
                     result[row][col] = words[words.Length - 1 - col][row];
                 }
             }
 
             return result;
         }
     }
 }