/*
 * 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.
 */

/* 
 * File:   main.cpp
 * Author: cteam019
 *
 * Created on October 28, 2017, 12:20 PM
 */

#include <cstdlib>
#include <vector>
#include <iostream>

using namespace std;

void draw(char ** canvas, long m, long x, long y, char leaf_l, char leaf_r, char mid)
{
    for (long i = 0; i < m; ++i)
    {
        for (long j = 0; j < m; ++j)
        {
            if (j == x && i == y) canvas [m-i-1][j] = mid;
            if (j == x-1 && i == y) canvas[m-i-1][j] = leaf_l;
            if (j == x+1 && i == y) canvas[m-i-1][j] = leaf_r;
        }
    }
}
//------------------------------------------------------------------------------
void fillDots (char ** canvas, long m)
{
    for (long i = 0; i < m; ++i)
    {
        for (long j =0; j < m; ++j)
        {
            canvas[i][j] = '.';
        }
    }
}
//------------------------------------------------------------------------------
void drawTree (char ** canvas, long m, long s, long x, long y)
{
//    root
    draw (canvas, m, x, y++, '_', '_', '|' );
    
    for (long i = 0; i < s; ++i)
    {
//        brush
        draw (canvas, m, x, y++, '/', '\\', '|' );
    }
//    top
    draw(canvas, m, x, y++, '.', '.', '^');
    
}
//------------------------------------------------------------------------------

void printRes (char ** canvas, long m)
{
    for (long i = 0; i < m+2; ++i)
        cout << '*';
    cout << endl;
    
    for (long i = 0; i < m; ++i)
    {
        cout << '*';
        for (long j = 0; j < m; ++ j)
        {
            cout << canvas[i][j];
        }
        cout << '*'<< endl;
    }
    
    for (long i = 0; i < m+2; ++i)
        cout << '*';
    cout << endl;
    cout << endl;
    
}
//------------------------------------------------------------------------------
int main(int argc, char** argv) 
{
    long m, n, s, x, y;
    
    while (cin >> m >> n)
    {
        char **canvas= new char* [m];
        for (int i = 0; i < m; i++) {
            canvas[i] = new char[m];
        }
        
//        char canvas[m][m];
        
        fillDots(canvas, m);
        
        for (long i = 0; i < n; ++ i)
        {
            cin >> s >> x >> y;
            if (s != 0)
                drawTree(canvas, m, s, x, y);
            else 
                draw(canvas, m, x, y, '_', '_', 'o');
        }
        printRes(canvas, m);
        
        for (int i = 0; i < m; i++) {
            delete[] canvas[i];
        }
        delete[] canvas;
    }

    return 0;
}