/**
 * code generated by JHelper
 * More info: https://github.com/AlexeyDmitriev/JHelper
 * @author
 */

// Created by White Knife on 15/04/20.
// doot diddly donger cuckerino Hahahahahah

#pragma GCC optimize("O3")
#pragma GCC target("sse4")
#pragma GCC target("popcnt")


#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>

using namespace __gnu_pbds;
using namespace __gnu_cxx;
using namespace std;

// @formatter:off
#define F               first
#define S               second
#define all(x)          (x).begin(), (x).end()
#define sz(x)           (long long) (x).size()
#define sim             template<typename T
#define ris             return *this
#define dor             > debug & operator <<
#define eni(x)          sim > typename enable_if<sizeof dud<T>(0) x 1, debug&>::type operator<<(T i)
sim> struct rge { T b, e; };
sim> rge<T> rang(T i, T j) { return rge<T>{i, j}; }
sim> auto dud(T *x) -> decltype(cerr << *x, 0);
sim> char dud(...);
struct debug {
#ifdef LOCAL
  ~debug() { cerr << endl; }
  eni(!=) { cerr << boolalpha << i; ris; }
  eni(==) { ris << rang(all(i)); }
  sim, typename U dor(pair<U, T> d) { ris << "(" << d.first << ", " << d.second << ")"; }
  sim dor(rge<T> d) { *this << "["; for (auto it = d.b; it != d.e; ++it) *this << ", " + 2 * (it == d.b) << *it; ris << "]"; }
#else
  sim dor(const T&) { ris; }
#endif
};
#define pr(...) " [" << #__VA_ARGS__ ": " << (__VA_ARGS__) << "] "

using ll = long long;
using ull = unsigned long long;
using ld = long double;
using li = __int128;
using uli = unsigned __int128;
using pii = pair<int, int>;
using pll = pair<ll, ll>;
using vi = vector<int>;
using vb = vector<bool>;

using vvi = vector<vi>;
using vll = vector<ll>;
using vvll = vector<vll>;
using vpii = vector<pii>;
using vpll = vector<pll>;
template <typename T> using ordered_set = tree<T, null_type, less<>, rb_tree_tag, tree_order_statistics_node_update>;

const ld PI = acos(-1);

template<typename T> inline T mini(T& x, T y) { return x = min(x, y); }
template<typename T> inline T maxi(T& x, T y) { return x = max(x, y); }
template <typename T> T rand(T x, T y) { return rand() % (y - x + 1) + x; }
mt19937 rnd(chrono::high_resolution_clock::now().time_since_epoch().count());
template <typename T, typename U>
ostream& operator<<(ostream& os, const pair<T, U>& p) { return (os << p.first << " " << p.second); }
// @formatter:on





class NumberIterator : iterator<forward_iterator_tag, int> {
public:
  int v;
  
  NumberIterator(int _v) : v(_v) {}
  
  operator int&() { return v; }
  
  int operator*() { return v; }
};

class range : pii {
public:
  range(int begin, int end) : pii(begin, max(begin, end)) {}
  
  range(int n) : pii(0, max(0, n)) {}
  
  NumberIterator begin() {
    return first;
  }
  
  NumberIterator end() {
    return second;
  }
};


class CHAndV {
public:
  
  void solveOne(istream& cin, ostream& cout) {
    int n, m, k;
    cin >> n >> m >> k;
    vector<string> s(n);
    for (int i = 0; i < n; ++i) {
      cin >> s[i];
    }
    int res = 0;
    for (int i : range(1 << n)) {
      for (int j : range(1 << m)) {
        int c = 0;
        for (int x: range(n)) {
          for (int y: range(m)) {
            if (((i >> x) & 1) == 0 and ((j >> y) & 1) == 0 and s[x][y] == '#') ++c;
          }
        }
        if (c == k) {
          ++res;
        }
      }
    }
    cout << res << '\n';
  }
  
  void solve(std::istream& cin, std::ostream& cout) {
    int t = 1;
    for (int tc = 1; tc <= t; ++tc) {
      //	cout << "Case #" << tc << ": ";
      solveOne(cin, cout);
    }
  }
};

int main() {
    std::ios::sync_with_stdio(false);
    std::cin.tie(nullptr);
    std::cout.tie(nullptr);
	CHAndV solver;
	std::istream& in(std::cin);
	std::ostream& out(std::cout);
	solver.solve(in, out);
	return 0;
}


Measured memory_bytes: 3652