#include <cstdlib>
#include <locale>
#include <bits/stdc++.h>
using namespace std;



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

void printTheForest(char ** pole, int m){
    
    // ***
    for(int i = 0; i < m+2; i++){
        cout << '*';
    }
    cout << endl;
    
    for(int i = 0; i < m; i++){
        cout << '*';
        for(int j = 0; j < m; j++){
            cout << pole[i][j];
        }
        cout << '*' << endl;
    }
    
    for(int i = 0; i < m+2; i++){
        cout << '*';
    }
    cout << endl;
}

int main(int argc, char** argv) {

    std::ios::sync_with_stdio(false);
    int m,n;
    while(cin >> m >> n){
        
        char ** pole = new char*[m];
        for(int i = 0; i < m; i ++){
            pole[i] = new char[m];
            memset(pole[i],46,m);   
        }        
        for(int lines = 0; lines < n; lines++){
            int s,x,y;
            cin >> s >> x >> y;
            
            if(s == 0){
                drawTheShit((m-1)-y,x-1,pole,m,95);
                drawTheShit((m-1)-y,x,pole,m,111);
                drawTheShit((m-1)-y,x+1,pole,m,95);
            }
            else{
                // drawing trunk
                drawTheShit((m-1)-y,x-1,pole,m,95);
                drawTheShit((m-1)-y,x,pole,m,124);
                drawTheShit((m-1)-y,x+1,pole,m,95);
                // tree
                for(int height = 1; height <= s; height++){
                    drawTheShit((m-1)-y-height,x-1,pole,m,47);
                    drawTheShit((m-1)-y-height,x,pole,m,124);
                    drawTheShit((m-1)-y-height,x+1,pole,m,92);
                }
        
                drawTheShit((m-1)-s-y-1,x,pole,m,94);
            }
        }
        printTheForest(pole,m);
    }
    
    return 0;
}