#include<bits/stdc++.h> using namespace std; int n,a[20][20], b[20][20], tmp[20][20]; void right_rotate() { for (int i=0; i<n; i++)for (int j=0; j<n; j++)tmp[i][j] = a[i][j]; for (int i=0; i<n; i++)for (int j=0; j<n; j++)a[j][n-1-i] = tmp[i][j]; } void mirror() { for (int i=0; i<n; i++)for (int j=0; j<n; j++)tmp[i][j] = a[i][j]; for (int i=0; i<n; i++)for (int j=0; j<n; j++)a[i][j] = tmp[i][n-1-j]; } bool cmp(){ for (int i=0; i<n; i++)for (int j=0; j<n; j++)if (a[i][j] != b[i][j]) return false; return true; } signed main() { cin >> n; for (int i=0; i<n; i++) for (int j=0; j<n; j++) { char c; cin >> c; if (c == '@' || c == '-')a[i][j] = c; else j--; } for (int i=0; i<n; i++) for (int j=0; j<n; j++) { char c; cin >> c; if (c == '@' || c == '-')b[i][j] = c; else j--; } right_rotate(); if (cmp()) { cout << 1; return 0; } right_rotate(); if (cmp()) { cout << 2; return 0; } right_rotate(); if (cmp()) { cout << 3; return 0; } right_rotate(); mirror(); if (cmp()) { cout << 4; return 0; } right_rotate(); if (cmp()) { cout << 5; return 0; } right_rotate(); if (cmp()) { cout << 5; return 0; } right_rotate(); right_rotate(); mirror(); if (cmp()) { cout << 5; return 0; } cout << 7; if (cmp()) { cout << 6; return 0; } return 0; }