#include<bits/stdc++.h>
			using namespace std;
			#define pb push_back
			#define mp make_pair
			#define nline cout<<"\n"
			#define fast ios_base::sync_with_stdio(false),cin.tie(0)
			#define ain(A, B, C) assert(IN(A, B, C))
			#define ull unsigned long long int
			#define ll long long int
			#define pii pair<int,int>
			#define MAXX 1009
			#define fr(a,b,i) for(int i=a;i<b;i++)
			vector<int>G[MAXX];
			char mat[MAXX][MAXX];
			int n,cnt=0;
			string s="";
			string final;
			void backtrack(int x,int y)
			{
				if(x>n-1 or y>n-1 or x<0 or y<0)return ;
				s+=mat[x][y];
				if(s.size()==4)
				{
					if(s==final)
					cnt++;
					return ;
				}
				
			   backtrack(x-1,y-1);
			   backtrack(x+1,y+1);
			   backtrack(x+1,y-1);
			   backtrack(x-1,y+1);
			}
			int main()
			{
				fast;
				cin>>n;
				for(int i=0;i<n;i++)
				 for(int j=0;j<n;j++)
				   cin>>mat[i][j];
				cin>>final;
				backtrack(0,0);   
				cout<<cnt<<endl;   
			   return 0;
			}