#include <string>
#include <string.h>
#include <stdio.h>
#include <math.h>
#include <stdlib.h>
#include <algorithm>
#include <list>
#include <set>
#include <map>
#include <iostream>
using namespace std;
#define DEBUG 1
#define III if(DEBUG >1)
#define VVV if(DEBUG)

#define MX 1500
int m;
int fnd;
char gril[MX][MX], ciph[MX][MX];

int main() {
  while (1) {
   cin >> m;
   if (!m) return 0;
   
	for(int i=0; i<m; i++) {
     string row;
		 cin >> row;
//t6odo
     for(int j=0; j<m; j++)
			gril[i][j] = row[j];
	  }

   for(int i=0; i<m; i++) {
     string row;
		 cin >> row;
//t6odo
     for(int j=0; j<m; j++)
			ciph[i][j] = row[j];
	  }

	//0
   for (int i = 0; i < m; i++) {
		for (int j = 0; j < m; j++) {
			if (gril[i][j] == '0') cout << ciph[i][j];
   }
}

//90
   for (int i = 0; i < m; i++) {
		for (int j = 0; j < m; j++) {
			int r = m - j - 1;
			int c = i;
			if (gril[r][c] == '0') cout << ciph[i][j];
   }
}

//180
   for (int i = 0; i < m; i++) {
		for (int j = 0; j < m; j++) {
			int r = m - i - 1;// m - j - 1;
			int c =  m-j-1;//i;
			//int r2 = m - c - 1;
			//int c2 = r;
			if (gril[r][c] == '0') cout << ciph[i][j];
   }
}


//270
   for (int i = 0; i < m; i++) {
		for (int j = 0; j < m; j++) {
			/*int r = m - j - 1;
			int c =  i;
			int r2 = m - c - 1;
			int c2 = r;
			int r3 = m - c2 - 1;
			int c3 = r2;*/
			int r = j;
			int c =  m-i-1;
			if (gril[r][c] == '0') cout << ciph[i][j];
   }
}
cout << "\n";
  }


  return 0;
}