/*

TASK: ttwo

LANG: C++

*/

#include<cstdio>

#include<iostream>

char m[11][11];

int vis[101][101][5][5];

int dx[5]={-1,0,1,0},dy[5]={0,1,0,-1};

int ans;

bool ck(int x,int y){

    return x>=0&&x<10&&y>=0&&y<10&&m[x][y]!='*';

}

bool dfs(int fx,int fy,int df,int cx,int cy,int dc){

   // printf("f=(%d %d) %d c=(%d %d) %d\n",fx,fy,df,cx,cy,dc);

    int ff=fx*10+fy,cc=cx*10+cy;

    if(vis[ff][cc][df][dc])return 0;

    vis[ff][cc][df][dc]=1;

    if(ff==cc)

        return 1;

    ans++;

    int nfx=fx+dx[df],nfy=fy+dy[df],ncx=cx+dx[dc],ncy=cy+dy[dc];

    if(!ck(nfx,nfy)){

        df=(df+1)%4;

        nfx=fx;

        nfy=fy;

    }

    if(!ck(ncx,ncy)){

        dc=(dc+1)%4;

        ncx=cx;

        ncy=cy;

    }

    if(dfs(nfx,nfy,df,ncx,ncy,dc))return 1;

    ans--;

    return 0;

}

int main(){

    freopen("ttwo.in","r",stdin);

    freopen("ttwo.out","w",stdout);

    int cx,cy,fx,fy;

    for(int i=0;i<10;i++){

        scanf("%s",m[i]);

        for(int j=0;m[i][j];j++)

            if(m[i][j]=='C'){

                cx=i;

                cy=j;

            }else if(m[i][j]=='F'){

                fx=i;

                fy=j;

            }

    }

    if(dfs(fx,fy,0,cx,cy,0)){

        printf("%d\n",ans);

    }else{

        puts("0");

    }

    return 0;

}