// #pragma once
// C
#include <cassert>
#include <cctype>
#include <cfloat>
#include <ciso646>
#include <climits>
#include <csetjmp>
#include <cstdarg>
#include <cstddef>
#include <cstdlib>
#include <cstdint>
// C++
#include <bitset>
#include <complex>
#include <algorithm>
#include <bitset>
#include <functional>
#include <iterator>
#include <limits>
#include <memory>
#include <new>
#include <numeric>
#include <typeinfo>
#include <utility>
#include <array>
#include <atomic>
#include <initializer_list>
#include <ratio>
#include <scoped_allocator>
#include <tuple>
#include <typeindex>
#include <type_traits>
#if _HAS_CXX17
#include <any>
// #include <execution>
#include <optional>
#include <variant>
#include <string_view>
#endif
#if _HAS_CXX20
#include <bit>
#include <compare>
#include <concepts>
#include <numbers>
#include <ranges>
#include <span>
#include <source_location>
#include <version>
#endif
#if _HAS_CXX23
#include <expected>
#include <stdatomic.h>
#if __cpp_impl_coroutine
#include <coroutine>
#endif
#endif
// C
#include <cassert>
#include <cctype>
#include <cerrno>
#include <cfloat>
#include <ciso646>
#include <climits>
#include <clocale>
#include <cmath>
#include <csetjmp>
#include <csignal>
#include <cstdarg>
#include <cstddef>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <ctime>
#include <cwchar>
#include <cwctype>
#include <ccomplex>
#include <cfenv>
#include <cinttypes>
// #include <cstdalign>
#include <cstdbool>
#include <cstdint>
#include <ctgmath>
#include <cuchar>
// C++
#include <complex>
#include <deque>
#include <exception>
#include <fstream>
#include <functional>
#include <iomanip>
#include <ios>
#include <iosfwd>
#include <iostream>
#include <istream>
#include <iterator>
#include <limits>
#include <list>
#include <locale>
#include <map>
#include <memory>
#include <new>
#include <numeric>
#include <ostream>
#include <queue>
#include <set>
#include <sstream>
#include <stack>
#include <stdexcept>
#include <streambuf>
#include <string>
#include <typeinfo>
#include <utility>
#include <valarray>
#include <vector>
#include <array>
#include <atomic>
#include <chrono>
#include <codecvt>
#include <condition_variable>
#include <forward_list>
#include <future>
#include <initializer_list>
#include <mutex>
#include <random>
#include <ratio>
#include <regex>
#include <scoped_allocator>
#include <system_error>
#include <thread>
#include <tuple>
#include <typeindex>
#include <type_traits>
#include <unordered_map>
#include <unordered_set>
#include <shared_mutex>
#if _HAS_CXX17
#include <any>
#include <charconv>
// #include <execution>
#include <filesystem>
#include <optional>
#include <memory_resource>
#include <variant>
#endif
#if _HAS_CXX20
#include <barrier>
#include <bit>
#include <compare>
#include <concepts>
#include <format>
#include <latch>
#include <numbers>
#include <ranges>
#include <span>
#include <stop_token>
#include <semaphore>
#include <source_location>
#include <syncstream>
#include <version>
#endif
#if _HAS_CXX23
#include <expected>
#include <spanstream>
#if __has_include(<stacktrace>)
#include <stacktrace>
#endif
#include <stdatomic.h>
#include <stdfloat>
#endif
using i64 = long long;
// https://github.com/Heltion/debug.h/blob/main/debug.h
template <class T, size_t size = std::tuple_size<T>::value> std::string to_debug(T, std::string s = "") requires(not std::ranges::range<T>);
std::string to_debug(auto x) requires requires(std::ostream& os) { os << x; } { return static_cast<std::ostringstream>(std::ostringstream() << x).str(); }
std::string to_debug(std::ranges::range auto x, std::string s = "") requires(not std::is_same_v<decltype(x), std::string>) {
for (auto xi : x) { s += ", " + to_debug(xi); }
return "[" + s.substr(s.empty() ? 0 : 2) + "]";
}
template <class T, size_t size> std::string to_debug(T x, std::string s) requires(not std::ranges::range<T>) {
[&]<size_t... I>(std::index_sequence<I...>) { ((s += ", " + to_debug(get<I>(x))), ...); }(std::make_index_sequence<size>());
return "(" + s.substr(s.empty() ? 0 : 2) + ")";
}
#define debug(...) std::cerr << __FILE__ ":" << __LINE__ << ": (" #__VA_ARGS__ ") = " << to_debug(std::tuple(__VA_ARGS__)) << "\n"
struct node {
int a, b, c, d;
};
void solve() {
int n, m;
std::cin >> n >> m;
std::vector<std::string> g(n);
for(int i = 0; i < n; i ++ ) {
std::cin >> g[i];
}
int can[n][m][n][m];
node vis[n][m][n][m];
for(int i = 0; i < n; i ++ ) {
for(int j = 0; j < m; j ++ ) {
for(int u = 0; u < n; u ++ ) {
for(int v = 0; v < m; v ++ ) {
can[i][j][u][v] = 0;
vis[i][j][u][v] = {-1, -1, -1, -1};
}
}
}
}
static int dx[] = {0, 0, -1, 1};
static int dy[] = {-1, 1, 0, 0};
auto bfs = [&]() -> void {
auto ok = [&](int i, int j) -> bool {
return (i >= 0 and i < n and j >= 0 and j < m and g[i][j] == '.');
};
auto Go = [&](int sa, int sb, int sc, int sd) -> void {
std::queue<std::tuple<int, int, int, int>> q;
q.push({sa, sb, sc, sd});
vis[sa][sb][sc][sd] = {sa, sb, sc, sd};
while(not q.empty()) {
auto [a, b, c, d] = q.front(); q.pop();
for(int i = 0; i < 4; i ++ ) {
int ra = a + dx[i], rb = b + dy[i];
int rc = c + dx[i], rd = d + dy[i];
if(not ok(ra, rb)) continue;
if(not ok(rc, rd)) {
auto [i1, j1, i2, j2] = vis[a][b][c][d];
can[i1][j1][i2][j2] = true;
}
if(vis[ra][rb][rc][rd].a != -1) continue;
q.push({ra, rb, rc, rd});
vis[ra][rb][rc][rd] = vis[a][b][c][d];
}
}
};
for(int i = 0; i < n; i ++ ) {
for(int j = 0; j < m; j ++ ) {
for(int u = 0; u < n; u ++ ) {
for(int v = 0; v < m; v ++ ) {
if(g[i][j] == '.' and g[u][v] == '.') {
if(vis[i][j][u][v].a == -1) {
Go(i, j, u, v);
}
}
}
}
}
}
};
bfs();
int ans = 0;
for(int a = 0; a < n; a ++ ) {
for(int b = 0; b < m; b ++ ) {
if(g[a][b] != '.') continue;
int ok = true;
for(int c = 0; c < n; c ++ ) {
for(int d = 0; d < m; d ++ ) {
if((a != c or b != d) and g[a][b] == '.' and g[c][d] == '.') {
auto [i1, j1, i2, j2] = vis[a][b][c][d];
ok &= can[i1][j1][i2][j2];
}
}
}
ans += ok;
}
}
std::cout << ans << '\n';
}
int main() {
std::ios::sync_with_stdio(false);
std::cin.tie(nullptr);
int T = 1;
std::cin >> T;
while(T -- ) {
solve();
}
return 0;
}