#include<bits/stdc++.h> using namespace std; int n; char a[15][15],b[15][15],c[15][15],d[15][15]; 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; } 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; }