import java.util.Scanner;

/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */
/**
 *
 * @author cteam037
 */
public class Forest {

    int m = 0;
    int n = 0;
    char[][] image;

    void run() {
        Scanner sc = new Scanner(System.in);
        while (sc.hasNext()) {
            m = sc.nextInt();
            n = sc.nextInt();
            image = new char[m][m];
            initImage();
            for(int obj = 0;obj<n;obj++){
                printTree(sc.nextInt(), sc.nextInt(), sc.nextInt());
            }
            printImage();
        }
    }
    
    void initImage(){
        for (int i = 0; i < m; i++) {
            for (int j = 0; j < m; j++) {
                image[i][j]='.';
            }
        }
    }
    
    void tryToPrint(int x, int y, int i){
        try{
            image[x][m-y-1]=(char)i;
        }catch(Exception e){
            
        }
    }
    
    void printTree(int level, int x, int y){
        switch(level){
            case 0:
                tryToPrint(x-1, y, '_');
                tryToPrint(x-0, y, 111);
                tryToPrint(x+1, y, '_');
                break;
            case 1:
                tryToPrint(x-1, y, '_');
                tryToPrint(x-0, y, '|');
                tryToPrint(x+1, y, '_');
                
                tryToPrint(x-0, y+1, '|');
                tryToPrint(x-1, y+1, '/');
                tryToPrint(x+1, y+1, '\\');
                
                tryToPrint(x+0, y+2, 94);
                break;
            case 2:
                tryToPrint(x-1, y, '_');
                tryToPrint(x-0, y, '|');
                tryToPrint(x+1, y, '_');
                tryToPrint(x-0, y+1, '|');
                tryToPrint(x-1, y+1, '/');
                tryToPrint(x+1, y+1, '\\');
                
                tryToPrint(x-0, y+2, '|');
                tryToPrint(x-1, y+2, '/');
                tryToPrint(x+1, y+2, '\\');
                
                tryToPrint(x+0, y+3, 94);
                break;
            case 3:
                tryToPrint(x-1, y, '_');
                tryToPrint(x-0, y, '|');
                tryToPrint(x+1, y, '_');
                tryToPrint(x-0, y+1, '|');
                tryToPrint(x-1, y+1, '/');
                tryToPrint(x+1, y+1, '\\');
                
                tryToPrint(x-0, y+2, '|');
                tryToPrint(x-1, y+2, '/');
                tryToPrint(x+1, y+2, '\\');
                
                tryToPrint(x-0, y+3, '|');
                tryToPrint(x-1, y+3, '/');
                tryToPrint(x+1, y+3, '\\');
               
                tryToPrint(x+0, y+4, 94);
                break;
            case 4:
                tryToPrint(x-1, y, '_');
                tryToPrint(x-0, y, '|');
                tryToPrint(x+1, y, '_');
                tryToPrint(x-0, y+1, '|');
                tryToPrint(x-1, y+1, '/');
                tryToPrint(x+1, y+1, '\\');
                
                tryToPrint(x-0, y+2, '|');
                tryToPrint(x-1, y+2, '/');
                tryToPrint(x+1, y+2, '\\');
                
                tryToPrint(x-0, y+3, '|');
                tryToPrint(x-1, y+3, '/');
                tryToPrint(x+1, y+3, '\\');
                
                tryToPrint(x-0, y+4, '|');
                tryToPrint(x-1, y+4, '/');
                tryToPrint(x+1, y+4, '\\');
                
                tryToPrint(x+0, y+5, 94);
                break;
            case 5:
                tryToPrint(x-1, y, '_');
                tryToPrint(x-0, y, '|');
                tryToPrint(x+1, y, '_');
                tryToPrint(x-0, y+1, '|');
                tryToPrint(x-1, y+1, '/');
                tryToPrint(x+1, y+1, '\\');
                
                tryToPrint(x-0, y+2, '|');
                tryToPrint(x-1, y+2, '/');
                tryToPrint(x+1, y+2, '\\');
                
                tryToPrint(x-0, y+3, '|');
                tryToPrint(x-1, y+3, '/');
                tryToPrint(x+1, y+3, '\\');
                
                tryToPrint(x-0, y+4, '|');
                tryToPrint(x-1, y+4, '/');
                tryToPrint(x+1, y+4, '\\');
                
                tryToPrint(x-0, y+5, '|');
                tryToPrint(x-1, y+5, '/');
                tryToPrint(x+1, y+5, '\\');
                
                tryToPrint(x+0, y+6, 94);
                break;
            case 6:
                tryToPrint(x-1, y, '_');
                tryToPrint(x-0, y, '|');
                tryToPrint(x+1, y, '_');
                tryToPrint(x-0, y+1, '|');
                tryToPrint(x-1, y+1, '/');
                tryToPrint(x+1, y+1, '\\');
                
                tryToPrint(x-0, y+2, '|');
                tryToPrint(x-1, y+2, '/');
                tryToPrint(x+1, y+2, '\\');
                
                tryToPrint(x-0, y+3, '|');
                tryToPrint(x-1, y+3, '/');
                tryToPrint(x+1, y+3, '\\');
                
                tryToPrint(x-0, y+4, '|');
                tryToPrint(x-1, y+4, '/');
                tryToPrint(x+1, y+4, '\\');
                
                tryToPrint(x-0, y+5, '|');
                tryToPrint(x-1, y+5, '/');
                tryToPrint(x+1, y+5, '\\');
                
                tryToPrint(x-0, y+6, '|');
                tryToPrint(x-1, y+6, '/');
                tryToPrint(x+1, y+6, '\\');
                
                tryToPrint(x+0, y+7, 94);
                break;
            case 7:
                tryToPrint(x-1, y, '_');
                tryToPrint(x-0, y, '|');
                tryToPrint(x+1, y, '_');
                tryToPrint(x-0, y+1, '|');
                tryToPrint(x-1, y+1, '/');
                tryToPrint(x+1, y+1, '\\');
                
                tryToPrint(x-0, y+2, '|');
                tryToPrint(x-1, y+2, '/');
                tryToPrint(x+1, y+2, '\\');
                
                tryToPrint(x-0, y+3, '|');
                tryToPrint(x-1, y+3, '/');
                tryToPrint(x+1, y+3, '\\');
                
                tryToPrint(x-0, y+4, '|');
                tryToPrint(x-1, y+4, '/');
                tryToPrint(x+1, y+4, '\\');
                
                tryToPrint(x-0, y+5, '|');
                tryToPrint(x-1, y+5, '/');
                tryToPrint(x+1, y+5, '\\');
                
                tryToPrint(x-0, y+6, '|');
                tryToPrint(x-1, y+6, '/');
                tryToPrint(x+1, y+6, '\\');
                
                tryToPrint(x-0, y+7, '|');
                tryToPrint(x-1, y+7, '/');
                tryToPrint(x+1, y+7, '\\');
                
                tryToPrint(x+0, y+8, 94);
                break;
            case 8:
                tryToPrint(x-1, y, '_');
                tryToPrint(x-0, y, '|');
                tryToPrint(x+1, y, '_');
                tryToPrint(x-0, y+1, '|');
                tryToPrint(x-1, y+1, '/');
                tryToPrint(x+1, y+1, '\\');
                
                tryToPrint(x-0, y+2, '|');
                tryToPrint(x-1, y+2, '/');
                tryToPrint(x+1, y+2, '\\');
                
                tryToPrint(x-0, y+3, '|');
                tryToPrint(x-1, y+3, '/');
                tryToPrint(x+1, y+3, '\\');
                
                tryToPrint(x-0, y+4, '|');
                tryToPrint(x-1, y+4, '/');
                tryToPrint(x+1, y+4, '\\');
                
                tryToPrint(x-0, y+5, '|');
                tryToPrint(x-1, y+5, '/');
                tryToPrint(x+1, y+5, '\\');
                
                tryToPrint(x-0, y+6, '|');
                tryToPrint(x-1, y+6, '/');
                tryToPrint(x+1, y+6, '\\');
                
                tryToPrint(x-0, y+7, '|');
                tryToPrint(x-1, y+7, '/');
                tryToPrint(x+1, y+7, '\\');
                
                tryToPrint(x-0, y+8, '|');
                tryToPrint(x-1, y+8, '/');
                tryToPrint(x+1, y+8, '\\');
                
                tryToPrint(x+0, y+9, 94);
                break;
            case 9:
                tryToPrint(x-1, y, '_');
                tryToPrint(x-0, y, '|');
                tryToPrint(x+1, y, '_');
                tryToPrint(x-0, y+1, '|');
                tryToPrint(x-1, y+1, '/');
                tryToPrint(x+1, y+1, '\\');
                
                tryToPrint(x-0, y+2, '|');
                tryToPrint(x-1, y+2, '/');
                tryToPrint(x+1, y+2, '\\');
                
                tryToPrint(x-0, y+3, '|');
                tryToPrint(x-1, y+3, '/');
                tryToPrint(x+1, y+3, '\\');
                
                tryToPrint(x-0, y+4, '|');
                tryToPrint(x-1, y+4, '/');
                tryToPrint(x+1, y+4, '\\');
                
                tryToPrint(x-0, y+5, '|');
                tryToPrint(x-1, y+5, '/');
                tryToPrint(x+1, y+5, '\\');
                
                tryToPrint(x-0, y+6, '|');
                tryToPrint(x-1, y+6, '/');
                tryToPrint(x+1, y+6, '\\');
                
                tryToPrint(x-0, y+7, '|');
                tryToPrint(x-1, y+7, '/');
                tryToPrint(x+1, y+7, '\\');
                
                tryToPrint(x-0, y+8, '|');
                tryToPrint(x-1, y+8, '/');
                tryToPrint(x+1, y+8, '\\');
                
                tryToPrint(x-0, y+9, '|');
                tryToPrint(x-1, y+9, '/');
                tryToPrint(x+1, y+9, '\\');
                
                tryToPrint(x+0, y+10, 94);
                break;
        }
    }

    void printImage() {
        String up = "";
        for (int i = 0; i < m + 2; i++) {
            up += "*";
        }
        System.out.println(up);
        for (int i = 0; i < m; i++) {
            System.out.print("*");
            for (int j = 0; j < m; j++) {
                System.out.print(""+image[j][i]);
            }
            System.out.println("*");
        }
        System.out.println(up);
        System.out.println();
    }

    public static void main(String[] args) {
        new Forest().run();
    }
    
    /*
    8 10
3 3 2
0 2 1
1 -1 -1
0 -1 2
3 0 6
6 4 7
0 7 4
6 8 -1
5 5 -5
9 2 -10
    */
    
}