/*
ID: victao1
LANG: C++
TASK: transform
*/
#include <iostream>
#include <cstdio>
#define MAX_N 10
int N = MAX_N;
using namespace std;

void print(char a[MAX_N][MAX_N]){
    for(int i = 0; i < N; i++){
        for(int j = 0; j < N; j++){
            cout << a[i][j];
        }
        cout << "\n";
    }
}
void reflect(char a[MAX_N][MAX_N]){
    char t, newa[MAX_N][MAX_N];
    int c = 0;
    for(int i = 0; i < N; i++){
        for(int j = 0; j < N; j++){
            newa[i][N - j - 1]  = a[i][j];
        }
    }
    for(int i = 0; i < N; i++){
        for(int j = 0; j < N; j++){
            a[i][j]  = newa[i][j];
        }
    }

}
void copyarray(char a[MAX_N][MAX_N], char copya[MAX_N][MAX_N]){
    for(int i = 0; i < N; i++){
        for(int j = 0; j < N; j++){
            copya[i][j]  = a[i][j];
        }
    }
}
bool equals(char a[MAX_N][MAX_N], char ar[MAX_N][MAX_N]){
    bool b = true;
    for(int i = 0; i < N; i++){
        for(int j = 0; j < N; j++){
            if(ar[i][j] != a[i][j]){
                b = false;
                break;
            }

        }
    }
    return b;
}
void clockwise(char a[MAX_N][MAX_N]){
    char t, newa[MAX_N][MAX_N];
    int c = 0;
    for(int i = 0; i < N; i++){
        for(int j = 0; j < N; j++){
            newa[j][N - i - 1]  = a[i][j];
        }
    }
    for(int i = 0; i < N; i++){
        for(int j = 0; j < N; j++){
            a[i][j]  = newa[i][j];
        }
    }

}
int main(){

    freopen("transform.in", "r", stdin);
    freopen("transform.out", "w", stdout);
    cin >> N;
    char a[MAX_N][MAX_N], copya[MAX_N][MAX_N], out[MAX_N][MAX_N];
    for(int i = 0; i < N; i++){
        for(int j = 0; j < N; j++){
            cin >> a[i][j];
            copya[i][j] = a[i][j];
        }
    }
    for(int i = 0; i < N; i++){
        for(int j = 0; j < N; j++){
            cin >> out[i][j];
        }
    }
   //rint(out);
    char one[MAX_N][MAX_N];
    copyarray(a, one);
    clockwise(one);
    char two[MAX_N][MAX_N];
    copyarray(a, two);
    clockwise(two);
    clockwise(two);
    char three[MAX_N][MAX_N];
    copyarray(a, three);
    clockwise(three);
    clockwise(three);
    clockwise(three);
    char four[MAX_N][MAX_N];
    copyarray(a, four);
    reflect(four);
    char fivea[MAX_N][MAX_N];
    copyarray(a, fivea);
    reflect(fivea);
    clockwise(fivea);
    char fiveb[MAX_N][MAX_N];
    copyarray(a, fiveb);
    reflect(fiveb);
    clockwise(fiveb);
    clockwise(fiveb);
    char fivec[MAX_N][MAX_N];
    copyarray(a, fivec);
    reflect(fivec);
    clockwise(fivec);
    clockwise(fivec);
    clockwise(fivec);
    if(equals(one, out)) cout << "1" << "\n"; else
    //copya = a;
    if(equals(two, out)) cout << "2" << "\n"; else
    if(equals(three, out)) cout << "3" << "\n"; else
    if(equals(four, out)) cout << "4" << "\n"; else
    if(equals(fivea, out)) cout << "5" << "\n"; else
    if(equals(fiveb, out)) cout << "5" << "\n"; else
    if(equals(fivec, out)) cout << "5" << "\n"; else
    if(equals(a, out)) cout << "6" << "\n"; else cout << "7" << "\n";

}