//#define NDEBUG
#include "bits/stdc++.h"
#include <iostream>
#include <string>
#include <unordered_map>
#include <unordered_set>
#include <array>
#ifdef _MSC_VER
#include <ppl.h>
#include <opencv2/core.hpp>
#include <opencv2/highgui.hpp>
#include <opencv2/imgproc.hpp>
#endif

using namespace std;

#define DUMPOUT cerr
#define dump(...) DUMPOUT<<"  ";DUMPOUT<<#__VA_ARGS__<<" :["<<__LINE__<<":"<<__FUNCTION__<<"]"<<endl;DUMPOUT<<"    ";dump_func(__VA_ARGS__)

typedef unsigned uint; typedef long long ll; typedef unsigned long long ull; typedef pair<int, int> pii; typedef pair<ll, ll> pll; typedef pair<double, double> pdd; typedef pair<string, string> pss;
template <typename _KTy, typename _Ty> ostream& operator << (ostream& o, const pair<_KTy, _Ty>& m) { o << "{" << m.first << ", " << m.second << "}"; return o; }
template <typename _KTy, typename _Ty> ostream& operator << (ostream& o, const map<_KTy, _Ty>& m) { if (m.empty()) { o << "{ }"; return o; } o << "{" << *m.begin(); for (auto itr = ++m.begin(); itr != m.end(); itr++) { o << ", " << *itr; } o << "}"; return o; }
template <typename _KTy, typename _Ty> ostream& operator << (ostream& o, const unordered_map<_KTy, _Ty>& m) { if (m.empty()) { o << "{ }"; return o; } o << "{" << *m.begin(); for (auto itr = ++m.begin(); itr != m.end(); itr++) { o << ", " << *itr; } o << "}"; return o; }
template <typename _Ty> ostream& operator << (ostream& o, const vector<_Ty>& v) { if (v.empty()) { o << "{ }"; return o; } o << "{" << v.front(); for (auto itr = ++v.begin(); itr != v.end(); itr++) { o << ", " << *itr; } o << "}"; return o; }
template <typename _Ty> ostream& operator << (ostream& o, const set<_Ty>& s) { if (s.empty()) { o << "{ }"; return o; } o << "{" << *(s.begin()); for (auto itr = ++s.begin(); itr != s.end(); itr++) { o << ", " << *itr; } o << "}"; return o; }
template <typename _Ty> ostream& operator << (ostream& o, const unordered_set<_Ty>& s) { if (s.empty()) { o << "{ }"; return o; } o << "{" << *(s.begin()); for (auto itr = ++s.begin(); itr != s.end(); itr++) { o << ", " << *itr; }	o << "}"; return o; }
template <typename _Ty> ostream& operator << (ostream& o, const stack<_Ty>& s) { if (s.empty()) { o << "{ }"; return o; } stack<_Ty> t(s); o << "{" << t.top(); t.pop(); while (!t.empty()) { o << ", " << t.top(); t.pop(); } o << "}";	return o; }
template <typename _Ty> ostream& operator << (ostream& o, const list<_Ty>& l) { if (l.empty()) { o << "{ }"; return o; } o << "{" << l.front(); for (auto itr = ++l.begin(); itr != l.end(); ++itr) { o << ", " << *itr; } o << "}"; return o; }
template <typename _KTy, typename _Ty> istream& operator >> (istream& is, pair<_KTy, _Ty>& m) { is >> m.first >> m.second; return is; }
template <typename _Ty> istream& operator >> (istream& is, vector<_Ty>& v) { for (size_t t = 0; t < v.size(); t++) is >> v[t]; return is; }
namespace aux { // print tuple
  template<typename Ty, unsigned N, unsigned L> struct tp { static void print(ostream& os, const Ty& v) { os << get<N>(v) << ", "; tp<Ty, N + 1, L>::print(os, v); } };
  template<typename Ty, unsigned N> struct tp<Ty, N, N> { static void print(ostream& os, const Ty& v) { os << get<N>(v); } };
}

template<typename... Tys> ostream& operator<<(ostream& os, const tuple<Tys...>& t) { os << "{"; aux::tp<tuple<Tys...>, 0, sizeof...(Tys) - 1>::print(os, t); os << "}"; return os; }

template<typename A, size_t N, typename T> inline void Fill(A(&array)[N], const T &val) { std::fill((T*)array, (T*)(array + N), val); }

void dump_func() { DUMPOUT << endl; }
template <class Head, class... Tail> void dump_func(Head&& head, Tail&&... tail) { DUMPOUT << head; if (sizeof...(Tail) == 0) { DUMPOUT << " "; } else { DUMPOUT << ", "; } dump_func(std::move(tail)...); }

#define PI 3.14159265358979323846
#define EPS 1e-8
#define FOR(t,a,n) for(int t=(a);t<(n);++t)
#define REP(t,n)  FOR(t,0,n)
#define all(j) (j).begin(), (j).end()
#define SZ(j) ((int)(j).size())
#define fake false

class Timer {
public:
  double t = 0;
  Timer() {}
  static double time() {
#ifdef _MSC_VER
    return __rdtsc() / 2.8e9;
#else
    unsigned long long a, d;
    __asm__ volatile("rdtsc"
      : "=a"(a), "=d"(d));
    return (d << 32 | a) / 2.8e9;
#endif
  }
  void measure() { t = time() - t; }
  double elapsedMs() { return (time() - t) * 1000.0; }
} timer;

struct Xorshift {
  uint64_t x = 88172645463325252LL;
  unsigned nextUInt() {
    x = x ^ (x << 7);
    return x = x ^ (x >> 9);
  }
  unsigned nextUInt(unsigned mod) {
    x = x ^ (x << 7);
    x = x ^ (x >> 9);
    return x % mod;
  }
  unsigned nextUInt(unsigned l, unsigned r) {
    x = x ^ (x << 7);
    x = x ^ (x >> 9);
    return x % (r - l + 1) + l;
  }
  double nextDouble() {
    return double(nextUInt()) / UINT_MAX;
  }
};

template<typename T>
void shuffleVector(vector<T>& v, Xorshift& rnd) {
  int n = v.size();
  for (int t = n - 1; t >= 1; t--) {
    int r = rnd.nextUInt(t);
    swap(v[t], v[r]);
  }
}



void extend(int si, int sj, vector<vector<int>>& board) {
  int H = board.size(), W = board[0].size();
  int val = board[si][sj];
  int l = sj, r = sj, u = si, d = si;
  // 左
  for (; l - 1 >= 0; l--) {
    if (!board[si][l - 1]) board[si][l - 1] = val;
    else break;
  }
  // 右
  for (; r + 1 < W; r++) {
    if (!board[si][r + 1]) board[si][r + 1] = val;
    else break;
  }
  // 上
  for (; u - 1 >= 0; u--) {
    int cnt = 0;
    for (int x = l; x <= r; x++) {
      if (board[u - 1][x]) cnt++;
    }
    if (cnt) break;
    for (int x = l; x <= r; x++) {
      board[u - 1][x] = val;
    }
  }
  // 下
  for (; d + 1 < H; d++) {
    int cnt = 0;
    for (int x = l; x <= r; x++) {
      if (board[d + 1][x]) cnt++;
    }
    if (cnt) break;
    for (int x = l; x <= r; x++) {
      board[d + 1][x] = val;
    }
  }
}

int main() {
  cin.tie(0);
  ios::sync_with_stdio(false);

  int H, W, K;
  cin >> H >> W >> K;

  // 左・右・上・下に伸ばせるだけ伸ばす
  vector<string> S(H);
  cin >> S;

  vector<vector<int>> board(H, vector<int>(W, 0));
  {
    int id = 1;
    for (int i = 0; i < H; i++) {
      for (int j = 0; j < W; j++) {
        if (S[i][j] == '#') {
          board[i][j] = id++;
        }
      }
    }
  }
  
  int id = 1;
  for (int i = 0; i < H; i++) {
    for (int j = 0; j < W; j++) {
      if (board[i][j] == id) {
        extend(i, j, board);
        id++;
      }
    }
  }

  for (int i = 0; i < H; i++) {
    cout << board[i][0];
    for (int j = 1; j < W; j++)
      cout << " " << board[i][j];
    cout << endl;
  }

  return 0;
}

Measured memory_bytes: 1280