#include <iostream>
#include <cstdio>

using namespace std;
int N;
char linia;
char tab[1005][1005];
char tab2[1005][1005];

int main ()
{
  while (1)
  {
    scanf("%d",&N);
    if (N == 0) break;
    scanf("%c",&linia);
    for (int i = 0; i < N; ++i)
    {
      for (int j = 0; j < N; ++j)
      {
        scanf("%c",&tab[i][j]);
      }
      scanf("%c",&linia);
    }
    for (int i = 0; i < N; ++i)
    {
      for (int j = 0; j < N; ++j)
      {
        scanf("%c",&tab2[i][j]);
      }
      scanf("%c",&linia);
    }
    for (int i = 0; i < N; ++i) for (int j = 0; j < N; ++j) if (tab[i][j] == 'O')
      printf("%c",tab2[i][j]);
    for (int i = 0; i < N; ++i) for (int j = 0; j < N; ++j) if (tab[N - 1 - j][i] == 'O')
      printf("%c",tab2[i][j]);
    for (int i = 0; i < N; ++i) for (int j = 0; j < N; ++j) if (tab[N - 1- i][N - 1 - j] == 'O')
      printf("%c",tab2[i][j]);
    for (int i = 0; i < N; ++i) for (int j = 0; j < N; ++j) if (tab[j][N - 1 - i] == 'O')
      printf("%c",tab2[i][j]);
    printf("\n");
  }
  return 0;
}