#include <bits/stdc++.h>
#include <stdio.h>

using namespace std;

#define DEB(x) cout << #x << " = " << x << endl;

char p[101][101];


int m, n;

inline bool check(int x, int y) {
    return x >= 0 && x < m && y >= 0 && y < m;
}

void draw0(int x, int y, int size) {
    if (check(x - 1, y)) p[y][x - 1] = '_';
    if (check(x, y)) p[y][x] =  (size == 0 ? 'o' : '|');
    if (check(x + 1, y)) p[y][x + 1] = '_';
}

void draw1(int x, int y) {
    if (check(x - 1, y)) p[y][x - 1] = '/';
    if (check(x, y)) p[y][x] = '|';
    if (check(x + 1, y)) p[y][x + 1] = '\\';
}

void draw2(int x, int y) {
    if (check(x, y)) p[y][x] = '^';
}

int main(void) {
    while (scanf("%d%d", &m, &n) == 2) {
        for (int i = 0; i < m; i++) {
            for (int j = 0; j < m; j++) {
                p[i][j] = '.';
            }
        }

        int size, x, y;
        for (int i = 0; i < n; i++) {
            scanf("%d %d %d", &size, &x, &y);
            //DEB(size) DEB(x) DEB(y)

            draw0(x, m - y - 1, size);
            for (int j = 1; j <= size; j++) {
                draw1(x, m - y - 1 - j);
            }
            if (size > 0) {
                draw2(x, m - y - 1 - (size + 1));
            }
        }

        for (int i = 0; i < m + 2; i++) putchar('*');
        putchar('\n');
        for (int i = 0; i < m; i++) {
            putchar('*');
            for (int j = 0; j < m; j++) {
                putchar(p[i][j]);
            }
            putchar('*');
            putchar('\n');
        }
        for (int i = 0; i < m + 2; i++) putchar('*');
        putchar('\n');
        putchar('\n');
    }


    return 0;
}