#include <bits/stdc++.h>

using namespace std;
const int INF = 0x3f3f3f3f;
typedef long long LL;
const int N = 10;
char g[N][N];
int dx[] = {-1, 0, 1, 0}; //上右下左
int dy[] = {0, 1, 0, -1}; //上右下左

int main() {
    int x1, y1, x2, y2;
    for (int i = 0; i < 10; i++)
        for (int j = 0; j < 10; j++) {
            cin >> g[i][j];
            if (g[i][j] == 'C') x1 = i, y1 = j;
            if (g[i][j] == 'F') x2 = i, y2 = j;
        }
    int cd = 0, fd = 0;
    int cnt = 0;
    while (true) {
        int tx = x1 + dx[cd], ty = y1 + dy[cd];
        if (tx >= 10 || tx < 0 || ty >= 10
            || ty < 0 || g[tx][ty] == '*')
            cd = (cd + 1) % 4;
        else
            x1 = tx, y1 = ty;
        tx = x2 + dx[fd], ty = y2 + dy[fd];
        if (tx >= 10 || tx < 0 || ty >= 10
            || ty < 0 || g[tx][ty] == '*')
            fd = (fd + 1) % 4;
        else
            x2 = tx, y2 = ty;
        cnt++;
        if (x1 == x2 && y1 == y2) {
            printf("%d", cnt);
            break;
        }
        if (cnt > 100000) {
            printf("0");
            break;
        }
    }

    return 0;
}