#include <iostream>
using namespace std;
#include <set>
#include <algorithm>
#include <cmath>
#include <map>
#include <cstdio>
#include <string>
#include <cstring>
#include <string.h>
#include <stdlib.h>
#include <iomanip>
#include <fstream>
#include <stdio.h>
#include <stack>
#include <queue>
#include <ctype.h>
#include <vector>
#include <random>
#define ll long long
#define ull unsigned long long
#define pb push_back
#define rep(i, a, n) for (int i = a; i <= n; i++)
#define per(i, a, n) for (int i = n; i >= a; i--)
#define pii pair<int, int>
#define pli pair<ll, int>
#define pil pair<int, ll>
#define endl '\n'
const double pai = acos(-1);
ll extend_gcd(ll a, ll b, ll &x, ll &y)
{
    if (b == 0)
    {
        x = 1;
        y = 0;
        return a;
    }
    ll d = extend_gcd(b, a % b, y, x);
    y -= a / b * x;
    return d;
}
ll fastpow(ll a, ll n, ll mod)
{
    ll ans = 1;
    a %= mod;
    while (n)
    {
        if (n & 1)
            ans = (ans * a)%mod; //% mod
        a = (a * a)%mod;         //% mod
        n >>= 1;
    }
    return ans;
}
int dir[4][2] =
    {
        {0, 1}, {0, -1}, {1, 0}, {-1, 0}}; // d a w s

const double inf = 1000000000000000000;
const ll mod = 1e9 + 7, P1 = 13331;
const double eps = 1e-7;
const int N = 5e3 + 10, M = 1e6 + 10;

int t,hang,lie;
map<ll,bool > flag;
map<ll ,ll > vis;
string s[N];

ll get(int hang1,int lie1,int hang2,int lie2)
{
    ll ans=1ll*hang1;
    ans*=100000ll;
    ans+=1ll*lie1;
    ans*=100000ll;
    ans+=1ll*hang2;
    ans*=100000ll;
    ans+=1ll*lie2;
    return ans;
}

void unget(ll u,ll &hang1,ll &lie1,ll &hang2,ll &lie2)
{
    lie2=u%100000;
    u/=100000;
    hang2=u%100000;
    u/=100000;
    lie1=u%100000;
    u/=100000;
    hang1=u;
}

bool out(ll hangg,ll liee)
{
    if(hangg<=0||hangg>hang||liee<=0||liee>lie||s[hangg][liee]=='O')
    {
        return 1;
    }
    return 0;
}

void bfs(ll zhi)
{
    vis[zhi]=zhi;
    flag[zhi]=0;
    queue<ll > q;
    q.push(zhi);
    while (q.size())
    {
        ll u=q.front();
        q.pop();
        ll hang1,lie1,hang2,lie2;
        unget(u,hang1,lie1,hang2,lie2);
        rep(i,0,3)
        {
            ll x1=hang1+dir[i][0],y1=lie1+dir[i][1];
            ll x2=hang2+dir[i][0],y2=lie2+dir[i][1];
            if(out(x1,y1))
            {
                continue;
            }
            
            if(out(x2,y2))
            {
                flag[vis[u]]=1;
                continue;
            }
            ll temp=get(x1,y1,x2,y2);
            if(vis[temp])
            {
                continue;
            }
            vis[temp]=zhi;
            q.push(temp);

        }
    }
    



}

int main()
{
    ios::sync_with_stdio(false);cin.tie(0);cout.tie(0);
    //freopen("ain.txt", "r", stdin);freopen("aout.txt", "w", stdout);
    cin>>t;
    while(t--)
    {
        
        vis.clear();
        cin>>hang>>lie;
        rep(i,1,hang)
        {
            cin>>s[i];
            s[i]=' '+s[i];
        }
        int ans=0;
        rep(i,1,hang)
        {
            rep(j,1,lie)
            {
                if(s[i][j]=='.')
                {
                    bool flagg=1;
                    rep(ii,1,hang)
                    {
                        rep(jj,1,lie)
                        {
                            if(i==ii&&j==jj||s[ii][jj]=='O')
                            {
                                continue;
                            }
                            ll zhi=get(i,j,ii,jj);
                            if(vis[zhi]==0)
                            {
                                bfs(zhi);
                            }
                            ll temp=vis[zhi];
                            if(flag[ temp ]==0)
                            {
                                flagg=0;
                                goto ttt;
                            }
                        }
                    }
                    ttt:
                    if(flagg)
                    {
                        ans++;
                    }
                }
            }
        }

        cout<<ans<<endl;
    }


    return 0;
}