using System;

namespace MyCompiler {
    class Program {
        public static void Main(string[] args) {
            // pattern1(4);
            // pattern2(5);
            // pattern3(5);
            // pattern4(5);
            // pattern5(5);
            // pattern6(5);
            // pattern7(5);
            // pattern8(5);
            // pattern9(4);
            // pattern10(4);
            }

        static void pattern1(int n){
            //Number of rows in the pattern
            for(int row=1;row<=n;row++){
                //number of column in each row
                for(int col=1;col<=n;col++){
                    Console.Write("* ");
                }
                //when one line is printed we need to add one new line
                Console.WriteLine(" ");
            }
        }

        static void pattern2(int n){
            //Number of rows in the pattern
            for(int row=1;row<=n;row++){
                //number of column in each row
                for(int col=1;col<=row;col++){
                    Console.Write("* ");
                }
                //when one line is printed we need to add one new line
                Console.WriteLine(" ");
            }
        }

        static void pattern3(int n){
            //Number of rows in the pattern
            for(int row=0;row<=n;row++){
                //number of column in each row
                for(int col=1;col<=n-row+1;col++){
                    Console.Write("* ");
                }
                //when one line is printed we need to add one new line
                Console.WriteLine(" ");
            }
        }

         static void pattern4(int n){
            //Number of rows in the pattern
            for(int row=1;row<=n;row++){
                //number of column in each row
                for(int col=1;col<=row;col++){
                    Console.Write(col);
                }
                //when one line is printed we need to add one new line
                Console.WriteLine(" ");
            }
        }

        static void pattern5(int n){
            //Number of rows in the pattern
            for(int row=0;row<2*n;row++){
                int totalcol;
                if(row > n){
                    totalcol = (2*n) - row;
                }else{
                    totalcol = row;
                }
                //number of column in each row
                for(int col=1;col<=totalcol;col++){
                    Console.Write("* ");
                }
                //when one line is printed we need to add one new line
                Console.WriteLine(" ");
            }
        }

        //upper+lower triangle
        static void pattern6(int n){
            //Number of rows in the pattern
            for(int row=0;row<2*n;row++){
                int totalcol;
                if(row > n){
                    totalcol = (2*n) - row;
                }else{
                    totalcol = row;
                }

                int spaces = n - totalcol;
                //Print total number of spaces
                for(int spa=0;spa<spaces;spa++){
                    Console.Write(" ");
                }
                
                //number of column in each row
                for(int col=0;col<totalcol;col++){
                    Console.Write("* ");
                }
                //when one line is printed we need to add one new line
                Console.WriteLine(" ");
            }
        }

        //upper triangle
        static void pattern7(int n){
            //Number of rows in the pattern
            for(int row=0;row<=n;row++){
                int totalcol;
                // if(row > n){
                //     totalcol = (2*n) - row;
                // }else{
                //     totalcol = row;
                // }

                int spaces = n - row;
                //Print total number of spaces
                for(int spa=0;spa<spaces;spa++){
                    Console.Write(" ");
                }
                
                //number of column in each row
                for(int col=0;col<row;col++){
                    Console.Write("* ");
                }
                //when one line is printed we need to add one new line
                Console.WriteLine(" ");
            }
        }

        //lower triangle
        static void pattern8(int n){
            //Number of rows in the pattern
            for(int row=0;row<=n;row++){
                int totalcol;
                int spaces = n - (n-row);
                //Print total number of spaces
                for(int spa=0;spa<spaces;spa++){
                    Console.Write(" ");
                }
                
                //number of column in each row
                for(int col=0;col<n-row;col++){
                    Console.Write("* ");
                }
                //when one line is printed we need to add one new line
                Console.WriteLine(" ");
            }
        }

        static void pattern9(int n){
            //Number of rows in the pattern
            for(int row=1;row<=n;row++){
                int spaces = n - row;
                //Print total number of spaces
                for(int spa=0;spa<spaces;spa++){
                    Console.Write("  ");
                }
                
                //number of column in each row
                for(int col=row;col>=1;col--){
                    Console.Write(col + " ");
                }

                //number of column in each row
                for(int col=2;col<=row;col++){
                    Console.Write(col + " ");
                }
                //when one line is printed we need to add one new line
                Console.WriteLine(" ");
            }
        }

        //Number Upside down triangle print
        static void pattern10(int n){
            //Number of rows in the pattern
            for(int row=1;row<=2*n-1;row++){
                int totalCol;
                if(row>n){
                    totalCol=(2*n - row);
                }else{
                    totalCol = row;   
                }
                int spaces = n - totalCol;
                
                //Print total number of spaces
                for(int spa=0;spa<spaces;spa++){
                    Console.Write("  ");
                }
                
                //number of column in each row
                for(int col=totalCol;col>=1;col--){
                    Console.Write(col + " ");
                }

                //number of column in each row
                for(int col=2;col<=totalCol;col++){
                    Console.Write(col + " ");
                }
                //when one line is printed we need to add one new line
                Console.WriteLine(" ");
            }
        }
    }
}