import java.io.*;
import java.util.*;
class Main{
	static final long MOD = 1_000_000_007; // 10^9+7
	static final int MAX = 2_147_483_646; // intMax 
	static final int INF = 1_000_000_000; // 10^9  
	public static void main(String[] args) throws Exception{
		hayami saori = new hayami();
		int h = saori.saori_hayami();
		int w = saori.saori_hayami();
		int k = saori.saori_hayami();
		char[][] c = new char[h][w];
		for(int i = 0;i < h;i++){
			String s = saori.nextHayami();
			for(int j = 0;j < w;j++){
				c[i][j] = s.charAt(j);
			}
		}
		int ans = 0;
		for(int i = 0;i < Math.pow(2, h);i++){
			HashSet<Integer> hs = new HashSet<>();
			for(int j = 0;j < h;j++){
				if ((1 & i >> j) == 1){
					hs.add(j);
				}
			}
			for(int ii = 0;ii < Math.pow(2, w);ii++){
				HashSet<Integer> ws = new HashSet<>();
				for(int j = 0;j < w;j++){
					if ((1 & ii >> j) == 1){
						ws.add(j);
					}
				}
				int num =0;
				for(int n = 0;n < h;n++){
					if(hs.contains(n))continue;
					for(int m = 0;m < w;m++){
						if(ws.contains(m))continue;
						if(c[n][m] == '#')num++;
					}
				}
				if(num == k)ans++;
				
			}
			
		}
		System.out.println(ans);
		saori.close();
	}
}

class hayami implements Closeable {
	private final InputStream in = System.in;
	private final byte[] hayami = new byte[1024];
	private int Hayami = 0;
	private int saori = 0;
	private boolean HayamiSaori() {
		if (Hayami < saori) {
			return true;
		}else{
			Hayami = 0;
			try {
				saori = in.read(hayami);
			} catch (IOException e) {
				e.printStackTrace();
			}
			if (saori <= 0) {
				return false;
			}
		}
		return true;
	}
	private int SaoriHayami() { 
		if (HayamiSaori()) {
            return hayami[Hayami++];
         }else{
             return -1;
         }
	}
	private static boolean hayami_saori(int hayami) { 
		return 33 <= hayami && hayami <= 126;
	}
	public boolean hayamisaori() { 
		while(HayamiSaori() && !hayami_saori(hayami[Hayami])) Hayami++; return HayamiSaori();
	}
	public String nextHayami() {
		if (!hayamisaori()) throw new NoSuchElementException();
		StringBuilder hayamin = new StringBuilder();
		int saori = SaoriHayami();
		while(hayami_saori(saori)) {
			hayamin.appendCodePoint(saori);
			saori = SaoriHayami();
		}
		return hayamin.toString();
	}
	public long saorihayami() {//nextLong
		if (!hayamisaori()) throw new NoSuchElementException();
		long hayami = 0;
		boolean misao = false;
		int saori = SaoriHayami();
		if (saori == '-') {
			misao = true;
			saori = SaoriHayami();
		}
		if (saori < '0' || '9' < saori) {
			throw new NumberFormatException();
		}
		while(true){
			if ('0' <= saori && saori <= '9') {
				hayami *= 10;
				hayami += saori - '0';
			}else if(saori == -1 || !hayami_saori(saori)){
				return misao ? -hayami : hayami;
			}else{
				throw new NumberFormatException();
			}
			saori = SaoriHayami();
		}
	}
	public int saori_hayami() {//nextInt
		long hayami = saorihayami();
		if (hayami < Integer.MIN_VALUE || hayami > Integer.MAX_VALUE) throw new NumberFormatException();
		return (int) hayami;
	}
	public double Hayamin() { //nextDouble
		return Double.parseDouble(nextHayami());
	}
	public void close() {
		try {
			in.close();
		} catch (IOException e) {
		}
    }
    
}


Measured memory_bytes: 35744