import java.util.*;
import java.io.*;

public class grille{


public static void main(String[] args) throws IOException{
	BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
	String line;
	int n;
	String resitev1;
	String resitev2;
	String resitev3;
	String resitev4;
	char m1[][];
	int m2[][]; //original 
	int m3[][]; //1. rotacija
	int m4[][];
	int m5[][];
	int a;
	while(!(line = br.readLine()).equals("0")){
		resitev1 = "";
		resitev2 = "";
		resitev3 = "";
		resitev4 = "";
		n = Integer.parseInt(line);
		m1 = new char[n][n];
		m2 = new int[n][n];
		m3 = new int[n][n];
		m4 = new int[n][n];
		m5 = new int[n][n];
		//m2
		for(int i = 0; i < n; i++){
			line = br.readLine();
			a = -1;
			while(true){
				a = line.indexOf('O', a+1);
				if(a != -1){
					m2[i][a] = 1;
					m3[a][n-i-1] = 1;
					m4[n-i-1][n-a-1] = 1;
					m5[n-a-1][i] = 1;
				}else{
					break;
				}
			}
		}
		//m1
		for(int i = 0; i < n; i++){
			line = br.readLine();
			for(int j = 0; j < line.length(); j++){
				m1[i][j] = line.charAt(j);
			}
		}
		for(int i = 0; i < n; i++){
			for(int j = 0; j < n; j++){
				if(m2[i][j] == 1){
					resitev1 = resitev1 + m1[i][j];
				}
				if(m3[i][j] == 1){
					resitev2 = resitev2 + m1[i][j];
				}
				if(m4[i][j] == 1){
					resitev3 = resitev3 + m1[i][j];
				}				
				if(m5[i][j] == 1){
					resitev4 = resitev4 + m1[i][j];
				}			}
		}
		System.out.println(resitev1+resitev2+resitev3+resitev4);
	}
	

}



}