#include <iostream>
#include <vector>
#include <string>

using namespace std;

//ios::sync_with_stdio(false);

long int m = 0;
vector<string> canvas;


void draw(long int x, long int y, char c) {
	if (x<0 || y<0 || x>=m || y>=m)
		return;
	canvas[m-y-1][x] = c;
}

void drawStump(long int x, long int y) {
	if (y<0 || y>=m) return;
	draw(x,y,'o');
	draw(x-1,y, '_');
	draw(x+1,y, '_');
}

void drawTree(long int x, long int y, long int s) {
        draw(x,y,'|');
        draw(x-1,y, '_');
        draw(x+1,y, '_');
	draw(x,y+s+1, '^');
	for (long int i=0; i<s; ++i) {
		draw(x-1, y+1+i, '/');
		draw(x, y+1+i, '|');
		draw(x+1, y+1+i, '\\');
	}

}

int main()
{

	while (cin >> m) {
		canvas.clear();
		canvas.reserve(m);
		for (long i=0; i<m; ++i) {
			canvas.push_back("");
			for (long j=0; j<m; ++j)
				canvas[i].append(1,'.');
		}
		unsigned long n;
		cin >> n;
		for (unsigned long i=0; i<n; ++i) {
			long int x, y, s;
			cin >> s;
			cin >> x;
			cin >> y;
			if (s==0) {
				drawStump(x,y);
			} else
				drawTree(x, y,s);
		}
		for (long i=0; i<m+2; ++i) { cout << "*";} cout << endl;
		for (long i=0; i<m; ++i) {
			cout << "*";
			cout << canvas[i];
			cout << "*" << endl;
		}
		for (long i=0; i<m+2; ++i) { cout << "*";} cout << endl;
		cout << endl;
	}
}