#include<bits/stdc++.h>
 
using namespace std;
 
void __print(int x) {cerr << x;}
void __print(long x) {cerr << x;}
void __print(long long x) {cerr << x;}
void __print(unsigned x) {cerr << x;}
void __print(unsigned long x) {cerr << x;}
void __print(unsigned long long x) {cerr << x;}
void __print(float x) {cerr << x;}
void __print(double x) {cerr << x;}
void __print(long double x) {cerr << x;}
void __print(char x) {cerr << '\'' << x << '\'';}
void __print(const char *x) {cerr << '\"' << x << '\"';}
void __print(const string &x) {cerr << '\"' << x << '\"';}
void __print(bool x) {cerr << (x ? "true" : "false");}
 
template<typename T, typename V>
void __print(const pair<T, V> &x) {cerr << '{'; __print(x.first); cerr << ','; __print(x.second); cerr << '}';}
template<typename T>
void __print(vector<vector<T>> x){cerr<<"\n{"; int f=x.size();for(int i=0;i<f;i++){cerr<<"("; int g=x[i].size(); for(auto j:x[i]){cerr<<j; (--g!=0)?cerr<<",":cerr<<"";}cerr<<")\n";}cerr<<"}";}
template<typename T>
void __print(const T &x) {int f = 0; cerr << '{'; for (auto &i: x) cerr << (f++ ? "," : ""), __print(i); cerr << "}";}
void __print(vector<bool> x){cerr<<"{";int f=x.size();for(auto i:x){cerr<<i;(--f !=0)?cerr<<",":cerr<<"";}cerr<<"}";}
void _print() {cerr << "]\n";}
template <typename T, typename... V>
void _print(T t, V... v) {__print(t); if (sizeof...(v)) cerr << ", "; _print(v...);}
 
#ifndef ONLINE_JUDGE
#define trace(x...) cerr << "[" << #x << "] = [", _print(x)
#else
#define trace(x...)
#endif
 
template<typename... T>
void read(T&... args) {
    ((cin >> args), ...);
}
 
template<typename... T>
void writ(T&&... args) {
    ((cout << args << " "), ...);
}
#define ull unsigned long long
#define ll long long
#define MOD 1000000007
#define INF (ll)1e18
#define IINF (int)1e9
#define EPS 1e-9
/*
    XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
    In the blazing sun I saw you
    In the shadows hiding from yourself
    When the lights are on I know you
    See you're grey from all the lies you tell 
    XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
*/

int main(){
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    ll h,k,w; cin>>h>>k>>w;
    vector<vector<char>> inp(h,vector<char> (k));
    vector<int> rcn(h,0);
    vector<int> ccn(k,0);
    ll tot_black=0;
    for(int i=0;i<h;i++){
        for(int j=0;j<k;j++){
            cin>>inp[i][j];
            if(inp[i][j]=='#'){rcn[i]++; ccn[j]++; tot_black++;}
        }
    }    
    ll ans=0;
    int ph=pow(2,h)-1;
    int pk=pow(2,k)-1;
    for(int i=0;i<=ph;i++){
        set<int> all;
        ll rowsu=0,colsu=0;
        for(int l=0;l<h;l++){
            if(i&(1<<l)) all.insert(l);
            else{
                rowsu+=rcn[l];     
            }
        }
        for(int j=0;j<=pk;j++){
            colsu=0;
            for(int l=0;l<k;l++){
                if((j&(1<<l))==0){
                    colsu+=ccn[l];
                    //trace(l);
                    for(int n=0;n<h;n++){
                        if(all.find(n)!=all.end() && inp[n][l]=='#'){
                            colsu--;
                            //trace(n);
                        }
                    }
                }
            }
            
            if(rowsu-colsu==w){
                //trace(rowsu,colsu,i,j);
                ans++;
            }
        }
    }
    cout<<ans<<endl;
    return 0;
}



Measured memory_bytes: 4096