using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

public class AtCoderA
{
    static void Main()
    {
        var sc = new Scanner();

        long h = sc.NextLong();
        long w = sc.NextLong();
        long k = sc.NextLong();

        bool[,] map1 = new bool[h, w];
        long[,] map2 = new long[h, w];

        for (int i = 0; i < h; i++)
        {
            string s = sc.Next();
            for (int j = 0; j < w; j++)
            {
                map1[i, j] = s[j] == '#';
            }
        }

        long count = 1;
        for (int i = 0; i < h; i++)
        {
            for (int j = 0; j < w; j++)
            {
                if (map1[i, j])
                {
                    map2[i, j] = count;
                    long index = j;
                    while (true)
                    {
                        index--;
                        if (index < 0)
                        {
                            break;
                        }
                        if (map1[i, index])
                        {
                            break;
                        }
                        if (map2[i, index] != 0)
                        {
                            break;
                        }
                        map2[i, index] = count;
                    }
                    index = j;
                    while (true)
                    {
                        index++;
                        if (index >= w)
                        {
                            break;
                        }
                        if (map1[i, index])
                        {
                            break;
                        }
                        if (map2[i, index] != 0)
                        {
                            break;
                        }
                        map2[i, index] = count;
                    }
                    count++;
                }
            }
        }

        for (int i = 0; i < h; i++)
        {
            for (int j = 0; j < w; j++)
            {
                if (map2[i, j] != 0)
                {
                    long num = map2[i, j];
                    long index = i;
                    while (true)
                    {
                        index--;
                        if (index < 0)
                        {
                            break;
                        }
                        if (map2[index, j] != 0)
                        {
                            break;
                        }
                        map2[index, j] = num;
                    }
                    index = i;
                    while (true)
                    {
                        index++;
                        if (index >= h)
                        {
                            break;
                        }
                        if (map2[index, j] != 0)
                        {
                            break;
                        }
                        map2[index, j] = num;
                    }
                    count++;
                }
            }
        }

        for (int i = 0; i < h; i++)
        {
            List<string> list = new List<string>();
            for (int j = 0; j < w; j++)
            {
                list.Add(map2[i, j].ToString());
            }
            string answer = string.Join(" ", list.ToArray());
            Console.WriteLine(answer);
        }
    }

    class Scanner
    {
        private string[] _line;
        private int _index;
        private const char Separator = ' ';

        public Scanner()
        {
            _line = new string[0];
            _index = 0;
        }

        public string Next()
        {
            while (_index >= _line.Length)
            {
                _line = Console.ReadLine().Split(Separator);
                _index = 0;
            }

            return _line[_index++];
        }

        public int NextInt() => int.Parse(Next());
        public long NextLong() => long.Parse(Next());
        public double NextDouble() => double.Parse(Next());
        public decimal NextDecimal() => decimal.Parse(Next());
        public char NextChar() => Next()[0];
        public char[] NextCharArray() => Next().ToCharArray();

        public string[] Array()
        {
            _line = Console.ReadLine().Split(Separator);
            _index = _line.Length;
            return _line;
        }

        public int[] IntArray() => Array().Select(int.Parse).ToArray();
        public long[] LongArray() => Array().Select(long.Parse).ToArray();
        public double[] DoubleArray() => Array().Select(double.Parse).ToArray();
        public decimal[] DecimalArray() => Array().Select(decimal.Parse).ToArray();
    }
}


Measured memory_bytes: 35852