#include <iostream>
#include <string>

using namespace std;


struct Canvas
{
    int _size;
    char ** ch;

    ~Canvas()
    {
        for(int i = 0;i<_size;i++){
        delete ch[i];
        }
        delete[] ch;
    }

    Canvas(int s)
    {
        _size = s;
        ch = new char * [s];
        for (int i = 0; i < _size; i++)
        {
            ch[i] = new char[s];
            for(int j = 0; j < _size; j++)
                ch[i][j] = '.';
        }
    }

    void drawTree(int x, int y, int height)
    {
        this->miniDraw(x-1,y,'_');
        this->miniDraw(x+1,y,'_');
        this->miniDraw(x,y,'|');
        for(int i = 0; i < height; i++)
        {
            this->miniDraw(x-1,y+i+1,'/');
            this->miniDraw(x,y+i+1,'|');
            this->miniDraw(x+1,y+i+1,'\\');
        }
        this->miniDraw(x,y+height+1,'^');
    }

    void drawStump(int x, int y)
    {
        this->miniDraw(x,y,'o');
        this->miniDraw(x-1,y,'_');
        this->miniDraw(x+1,y,'_');
    }

    void miniDraw(int x, int y, char c)
    {
        if(x < _size && y < _size && x >= 0 && y >= 0)
        {
            ch[x][y] = c;
        }
    }

    void draw()
    {
        for(int i = 0; i < _size + 2;i++)
        {
            cout << '*';
        }
        cout << endl;
        for(int i = _size - 1; i>=0;i--)
        {
            cout << '*';
            for(int j = 0; j < _size; j++)
            {
                if((int)ch[j][i] == 0 ) cout << '.';
                else cout << ch[j][i];
            }
            cout << '*' << endl;
        }
        for(int i = 0; i < _size + 2;i++)
        {
            cout << '*';
        }
        cout << endl << endl;
    }

};

int main()
{
    int pocet,velikost,x,y,height;
    std::ios_base::sync_with_stdio(false);

    while(true)
    {

        cin >> velikost;
        if(cin.eof())
            break;
        Canvas canvas(velikost);
        cin >> pocet;
        for(int i=0; i < pocet; i++)
        {
            cin >> height;
            cin >> x;
            cin >> y;
            if(height == 0)canvas.drawStump(x,y);
            else canvas.drawTree(x,y,height);
        }
        canvas.draw();
    }

    return 0;
}