#include<bits/stdc++.h> using namespace std; int flag = 0; char a[15][15]; char b[15][15]; char c[15][15]; char d[15][15]; int n; bool work1() { for (int i = 1; i <= n; i++) { for (int j = 1; j <= n; j++) { b[j][n - i + 1] = a[i][j]; } } for (int i = 1; i <= n; i++) { for (int j = 1; j <= n; j++) { if (b[i][j] != c[i][j]) { return 0; } } } return 1; } bool work2() { for (int i = 1; i <= n; i++) { for (int j = 1; j <= n; j++) { b[n - i + 1][n - j + 1] = a[i][j]; } } for (int i = 1; i <= n; i++) { for (int j = 1; j <= n; j++) { if (b[i][j] != c[i][j]) { return 0; } } } return 1; } bool work3() { for (int i = 1; i <= n; i++) { for (int j = 1; j <= n; j++) { b[n - j + 1][i] = a[i][j]; } } for (int i = 1; i <= n; i++) { for (int j = 1; j <= n; j++) { if (b[i][j] != c[i][j]) { return 0; } } } return 1; } bool work4() { for (int i = 1; i <= n; i++) { for (int j = 1; j <= n; j++) { b[i][n - j + 1] = a[i][j]; } } for (int i = 1; i <= n; i++) { for (int j = 1; j <= n; j++) { if (b[i][j] != c[i][j]) { return 0; } } } return 1; } bool work5() { work4(); for (int i = 1; i <= n; i++) { for (int j = 1; j <= n; j++) { a[i][j] = b[i][j]; } } if (work1()) { return 1; } for (int i = 1; i <= n; i++) { for (int j = 1; j <= n; j++) { a[i][j] = b[i][j]; } } if (work2()) { return 1; } for (int i = 1; i <= n; i++) { for (int j = 1; j <= n; j++) { a[i][j] = b[i][j]; } } if (work3()) { return 1; } return 0; } bool work6() { for (int i = 1; i <= n; i++) { for (int j = 1; j <= n; j++) { if (b[i][j] != c[i][j]) { return 0; } } } return 1; } bool work7() { cout<<7; } void work() { if(work1()) { cout<<1; return ; } if(work2()) { cout<<2; return ; } if(work3()) { cout<<3; return ; } if(work4()) { cout<<4; return ; } if(work5()) { cout<<5; return ; } if(work6()) { cout<<6; return ; } cout<<7; } int main() { cin>>n; for (int i = 1; i <= n; i++) { for (int j = 1; j <= n; j++) { cin>>a[i][j]; d[i][j] = a[i][j]; } } for (int i = 1; i <= n; i++) { for (int j = 1; j <= n; j++) { cin>>c[i][j]; } } work(); return 0; }