#include <bits/stdc++.h>

using namespace std;

int main () {
	ios::sync_with_stdio(false);

	long long m;
	
	while ( cin >> m ) {
		vector<vector<char> > grid(m, vector<char>(m,0));
		long long n;
		cin >> n;
		
		for ( long long i = 0 ; i < n; ++i ) {
			long long s; long long x, y;
			cin >> s >> x >> y;
			if ( x < -1 || x > m || y >= m || y < -10 )
				continue;
			if ( x >= 0 && x < m ) {
				if ( y >= 0) {
				if (!s) {
					grid[x][y] = 111;
				} else {
					
					grid[x][y] = '|';
				}
				}
				if (s)
					if ( ( y + s + 1 ) < m )
						grid[x][y+s+1] = '^';
				for ( long long j = max(0ll,y+1); j <= min(y+s,m-1); ++j )
					grid[x][j] = '|';

			}
			if ( x > 0 ) {
				for ( long long j = max(0ll,y+1); j <= min(y+s,m-1); ++j )
					grid[x-1][j] = '/';
				if ( y >= 0 )
					grid[x-1][y] = '_';	
			}
			if ( x < m-1 ) {
				for ( long long j = max(0ll, y+1); j <= min(y+s, m-1); ++j )
					grid[x+1][j] = '\\';
				if ( y >= 0 )
					grid[x+1][y] = '_';
			}		
		}
		
		for ( int i = 0; i < m+2; ++i)
			cout << '*';
		cout << endl;

		for ( int i = m-1; i >= 0; --i) {
			cout << '*';
			for ( int j = 0; j < m; ++j) {
				if (grid[j][i] != 0)
					cout << grid[j][i];
				else
					cout << '.';
			} 
			cout << '*' << endl;
		}

		for ( int i = 0; i < m+2; ++i)
			cout << '*';
		cout << endl;
		
		cout << endl;
	}





	return 0;
}