/**
 *  author: Behradm
 *  Created: 2020.07.05 16:41:16
 *  In The Name Of God
**/
#include <bits/stdc++.h>

using namespace std;

template <typename A, typename B>
string to_string(pair<A, B> p);
 
template <typename A, typename B, typename C>
string to_string(tuple<A, B, C> p);
 
template <typename A, typename B, typename C, typename D>
string to_string(tuple<A, B, C, D> p);
 
string to_string(const string& s) {
  return '"' + s + '"';
}
 
string to_string(const char* s) {
  return to_string((string) s);
}
 
string to_string(bool b) {
  return (b ? "true" : "false");
}
 
string to_string(vector<bool> v) {
  bool first = true;
  string res = "{";
  for (int i = 0; i < static_cast<int>(v.size()); i++) {
    if (!first) {
      res += ", ";
    }
    first = false;
    res += to_string(v[i]);
  }
  res += "}";
  return res;
}
 
template <size_t N>
string to_string(bitset<N> v) {
  string res = "";
  for (size_t i = 0; i < N; i++) {
    res += static_cast<char>('0' + v[i]);
  }
  return res;
}
 
template <typename A>
string to_string(A v) {
  bool first = true;
  string res = "{";
  for (const auto &x : v) {
    if (!first) {
      res += ", ";
    }
    first = false;
    res += to_string(x);
  }
  res += "}";
  return res;
}
 
template <typename A, typename B>
string to_string(pair<A, B> p) {
  return "(" + to_string(p.first) + ", " + to_string(p.second) + ")";
}
 
template <typename A, typename B, typename C>
string to_string(tuple<A, B, C> p) {
  return "(" + to_string(get<0>(p)) + ", " + to_string(get<1>(p)) + ", " + to_string(get<2>(p)) + ")";
}
 
template <typename A, typename B, typename C, typename D>
string to_string(tuple<A, B, C, D> p) {
  return "(" + to_string(get<0>(p)) + ", " + to_string(get<1>(p)) + ", " + to_string(get<2>(p)) + ", " + to_string(get<3>(p)) + ")";
}
 
void debug_out() { cerr << '\n'; }
 
template <typename Head, typename... Tail>
void debug_out(Head H, Tail... T) {
  cerr << " " << to_string(H);
  debug_out(T...);
}
 
#ifdef LOCAL
#define debug(...) cerr << "[" << #__VA_ARGS__ << "]:", debug_out(__VA_ARGS__)
#else
#define debug(...) 42
#endif

const int maxn = 10;
char a[maxn][maxn];

int main() {   
  ios::sync_with_stdio(false);
  cin.tie(0);
  int n, m, k, res = 0;
  cin >> n >> m >> k;
  for (int i = 0; i < n; i++) {
    for (int j = 0; j < m; j++) {
      cin >> a[i][j];
    }
  } 

  
  for (int i = 0; i < (1 << n); i++) {
    vector<int> row(n, 0);
    vector<int> col(m, 0);
    for (int j = 0; j < n; j++) {
      if (i & (1 << j))
        row[j] = 1;
      else
        row[j] = 0;
    } 

    for (int i2 = 0; i2 < (1 << m); i2++) {
     for (int j2 = 0; j2 < m; j2++) {
      if (i2 & (1 << j2))
        col[j2] = 1;
      else
        col[j2] = 0;
      }
        //debug(row, col);
    //one state
    int t = 0;
    for (int r = 0; r < n; r++) {
      for (int c = 0; c < m; c++) {
        if (row[r] || col[c])
          continue;
        if (a[r][c] == '#')
          t++;
      }
    }

    if (t == k)
      res += 1;
    }


    /*debug(row, col);
    //one state
    int t = 0;
    for (int r = 0; r < n; r++) {
      for (int c = 0; c < m; c++) {
        if (row[r] || col[c])
          continue;
        if (a[r][c] == '#')
          t++;
      }
    }

    if (t == k)
      res += 1;*/
  }

  cout << res << '\n';
  return 0;
}


Measured memory_bytes: 3652