#include <stdio.h>
#include <vector>

using namespace std;

	int M, N;


bool in(int x, int y) {
	return x >= 0 && x < M && y >= 0 && y < M; 
}

void strom(vector<vector<char> >& map, int x, int y, int s) {
	
	if (in(x-1, y)) {
		map[x-1][y] = '_';
	}
	
	if (in(x,y)) {
		map[x][y] = '|';
	}
	
	if (in(x+1,y)) {
		map[x+1][y] = '_';
	}
	 y++;
	
	
	for (int i = 0; i < s; i++) {
		if (in(x-1, y)) {
			map[x-1][y] = '/';
		}
		
		if (in(x,y)) {
			map[x][y] = '|';
		}
		
		if (in(x+1,y)) {
			map[x+1][y] = '\\';
		}
		y++;
	} 
	
	if (in(x,y)) {
		map[x][y] = '^';
	}
}

void pen(vector<vector<char> > &map, int x, int y) {
	
	if (y < 0 || y >= M) {
		return;
	}
	
	if (x + 1 < 0 || x -1 >= M) {
		return;	
	}

	
	if (in(x-1, y)) {
		map[x-1][y] = '_';
	}
	
	if (in(x,y)) {
		map[x][y] = 'o';
	}
	
	if (in(x+1,y)) {
		map[x+1][y] = '_';
	}
}




int main(void) {



	
	while (scanf("%d %d", &M, &N) == 2) {
		vector<vector<char> > map(M, vector<char>(M,'.'));
		
		int size, x, y;
		for (int r = 0; r < N; r++) {
			scanf("%d %d %d", &size, &x, &y);
		
		if (size == 0) {
			pen(map, x, y);
		} else {
			strom(map, x, y, size);
		}
		}
		for (int i = 0; i < M+2; i++) printf("*"); printf("\n");
		for (int i = M-1; i >=0 ; i--) {
					printf("*");
			for (int j = 0; j < M; j++) {
				printf("%c", map[j][i]);
			}
			printf("*\n");
		}
				for (int i = 0; i < M+2; i++) printf("*"); printf("\n\n");
	}


	return 0;
}