#include<iostream>
#include<cstring>
#include<string>
#include<cstdio>
#include<cmath>
#include<algorithm>
using namespace std;
char arr[15][15];
int del[4][2] = {{-1,0},{0,1},{1,0},{0,-1}};
int cx,cy,fx,fy;
int main(){
	for(int i=1;i<=10;i++){
		for(int j=1;j<=10;j++){
			cin >> arr[i][j];
			if(arr[i][j] == 'C'){
				cx = i;
				cy = j;	
			} 
			if(arr[i][j] == 'F'){
				fx = i;
				fy = j;	
			} 
		}
	}
	int tmpx,tmpy,df=0,dc=0;
	for(int i=1;i<=1000;i++){
		tmpx = cx+del[dc][0];
		tmpy = cy+del[dc][1];
		if(tmpx>=1&&tmpx<=10&&tmpy>=1&&tmpy<=10&&arr[tmpx][tmpy]!='*'){
			cx = tmpx;
			cy = tmpy;
		}else dc = (dc+1)%4;
		tmpx = fx+del[df][0];
		tmpy = fy+del[df][1];
		if(tmpx>=1&&tmpx<=10&&tmpy>=1&&tmpy<=10&&arr[tmpx][tmpy]!='*'){
			fx = tmpx;
			fy = tmpy;
		}else{
			df = (df+1)%4;
		}
		if(cx==fx&&cy==fy){
			cout << i;
			return 0;
		} 
	}
	cout << 0;
	return 0;
}