using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Runtime.CompilerServices;
using System.Text;
using static System.Console;
using static System.Math;

namespace Atcoder
{
    class Program
    {
        static StreamWriter sw = new StreamWriter(OpenStandardOutput()) { AutoFlush = false };
        static void Main(string[] args)
        {
            try
            {
                SetOut(sw);
                Solve.Answer();
                Out.Flush();
            }
            catch (Exception ex)
            {
                WriteLine(ex.ToString());
            }
        }
    }

    public class Solve
    {
        public static void Answer()
        {
            var HWK = IO.RSInt;
            var H = HWK[0];
            var W = HWK[1];
            var K = HWK[2];

            var map = new string[H];
            for (int i = 0; i < H; i++)
            {
                var s = ReadLine();
                map[i] = s;
            }

            var ans = 0;
            for (int bitH = 0; bitH < (1 << H); bitH++)
            {
                var flags_H = new int[H];
                for (int j = 0; j < H; j++)
                {
                    var intFlag_H = (bitH >> j) & 1;
                    flags_H[j] = intFlag_H;
                }

                for (int bit = 0; bit < (1 << W); bit++)
                {
                    var flags = new int[W];

                    for (int i = 0; i < W; i++)
                    {
                        var intFlag = (bit >> i) & 1;
                        flags[i] = intFlag;
                    }

                    int cnt = 0;
                    for (int k = 0; k < H; k++)
                    {
                        for (int l = 0; l < W; l++)
                        {
                            if (flags_H[k] == 0 && flags[l] == 0)
                            {
                                if (map[k][l] == '#')
                                {
                                    cnt++;
                                }
                            }
                        }
                    }
                    if (cnt == K) ans++;
                }
            }
            WriteLine(ans);
        }
    }

    public class IO
    {
        #region Input
        public static int RInt => int.Parse(ReadLine());
        public static long RLong => long.Parse(ReadLine());
        public static double RDouble => double.Parse(ReadLine());

        public static string[] RSString => ReadLine().Split();
        public static int[] RSInt => ReadLine().Split().Select(s => int.Parse(s)).ToArray();
        public static long[] RSLong => ReadLine().Split().Select(s => long.Parse(s)).ToArray();
        public static double[] RSDouble => ReadLine().Split().Select(s => double.Parse(s)).ToArray();
        #endregion

        #region Output
        public static void OutJoinSpace<T>(IEnumerable<T> list) => WriteLine(string.Join(" ", list));
        public static void WriteLineYes_or_No(bool flag) => WriteLine(flag ? "Yes" : "No");
        public static void WriteLineYES_or_NO(bool flag) => WriteLine(flag ? "YES" : "NO");
        #endregion
    }

    public class Mod
    {
        #region
        private readonly static long M = 1000000007;

        public static long Add(long a, long b) => (a * b) % M;
        public static long Sub(long a, long b) => (a - b) % M >= 0 ? (a - b) % M : (a - b) % M + M;
        public static long Multi(long a, long b) => (a * b) % M;
        #endregion
    }
}

Measured memory_bytes: 19288