#include <bits/stdc++.h>
using namespace std;
using lint = long long int;
using pint = pair<int, int>;
using plint = pair<lint, lint>;
struct fast_ios { fast_ios(){ cin.tie(0); ios::sync_with_stdio(false); cout << fixed << setprecision(20); }; } fast_ios_;
#define ALL(x) (x).begin(), (x).end()
#define SZ(x) ((lint)(x).size())
#define POW2(n) (1LL << (n))
#define FOR(i, begin, end) for(int i=(begin),i##_end_=(end);i<i##_end_;i++)
#define IFOR(i, begin, end) for(int i=(end)-1,i##_begin_=(begin);i>=i##_begin_;i--)
#define REP(i, n) FOR(i,0,n)
#define IREP(i, n) IFOR(i,0,n)
template<typename T> istream &operator>>(istream &is, vector<T> &vec){ for (auto &v : vec) is >> v; return is; }
template<typename T> ostream &operator<<(ostream &os, const vector<T> &vec){ os << "["; for (auto v : vec) os << v << ","; os << "]"; return os; }
template<typename T> ostream &operator<<(ostream &os, const deque<T> &vec){ os << "deq["; for (auto v : vec) os << v << ","; os << "]"; return os; }
template<typename T> ostream &operator<<(ostream &os, const set<T> &vec){ os << "{"; for (auto v : vec) os << v << ","; os << "}"; return os; }
template<typename T> ostream &operator<<(ostream &os, const unordered_set<T> &vec){ os << "{"; for (auto v : vec) os << v << ","; os << "}"; return os; }
template<typename T> ostream &operator<<(ostream &os, const multiset<T> &vec){ os << "{"; for (auto v : vec) os << v << ","; os << "}"; return os; }
template<typename T> ostream &operator<<(ostream &os, const unordered_multiset<T> &vec){ os << "{"; for (auto v : vec) os << v << ","; os << "}"; return os; }
template<typename T1, typename T2> ostream &operator<<(ostream &os, const pair<T1, T2> &pa){ os << "(" << pa.first << "," << pa.second << ")"; return os; }
template<typename TK, typename TV> ostream &operator<<(ostream &os, const map<TK, TV> &mp){ os << "{"; for (auto v : mp) os << v.first << "=>" << v.second << ","; os << "}"; return os; }
template<typename TK, typename TV> ostream &operator<<(ostream &os, const unordered_map<TK, TV> &mp){ os << "{"; for (auto v : mp) os << v.first << "=>" << v.second << ","; os << "}"; return os; }
template<typename T> void ndarray(vector<T> &vec, int len) { vec.resize(len); }
template<typename T, typename... Args> void ndarray(vector<T> &vec, int len, Args... args) { vec.resize(len); for (auto &v : vec) ndarray(v, args...); }
template<typename T> bool mmax(T &m, const T q) { if (m < q) {m = q; return true;} else return false; }
template<typename T> bool mmin(T &m, const T q) { if (m > q) {m = q; return true;} else return false; }
template<typename T1, typename T2> pair<T1, T2> operator+(const pair<T1, T2> &l, const pair<T1, T2> &r) { return make_pair(l.first + r.first, l.second + r.second); }
template<typename T1, typename T2> pair<T1, T2> operator-(const pair<T1, T2> &l, const pair<T1, T2> &r) { return make_pair(l.first - r.first, l.second - r.second); }
#define dbg(x) cerr << #x << " = " << (x) << " (L" << __LINE__ << ") " << __FILE__ << endl;
/*
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#include <ext/pb_ds/tag_and_trait.hpp>
using namespace __gnu_pbds; // find_by_order(), order_of_key()
template<typename TK> using pbds_set = tree<TK, null_type, less<TK>, rb_tree_tag, tree_order_statistics_node_update>;
template<typename TK, typename TV> using pbds_map = tree<TK, TV, less<TK>, rb_tree_tag, tree_order_statistics_node_update>;
*/


int main()
{
    lint h;
    cin >> h;
    lint w;
    cin >> w;
    lint k;
    cin >> k;
    lint ans[h][w];
    lint num = 1;
    lint befnum = 1;
    lint prev = 0;
    lint restrow = 0;
    lint restflag = false;
    REP(i,h)
    {
        REP(j,w)
        {
            ans[i][j] =0;
        }
    }
    REP(i,h)
    {
        REP(j,w)
        {
            char chin;
            cin >> chin;
            if(chin == '#')
            {
                FOR(k,prev,j + 1)
                {
                        ans[i][k] = num;
                }
                num++;
                prev = j + 1;
                restflag = false;
            }
        }
        if(befnum == num)
        {
            restrow+=1;
            prev = 0;
            continue;
        }
        if(ans[i][w-1] == 0)
        {
            num--;
            FOR(k,prev,w)
            {
                ans[i][k] = num;
            }
            num++;
        }
        if(restrow>0)
        {
            REP(j,restrow)
            {
                REP(k,w)
                {
                    ans[i-j - 1][k] = ans[i][k];
                }
            }
            restrow = 0;
        }
        befnum = num;
        prev = 0;
    }
if(restrow>0)
{
    REP(j,restrow)
    {
        REP(k,w)
        {
            ans[h - j - 1][k] = ans[h - 1 - restrow][k];
        }
    }
}
    REP(i,h)
    {
        REP(j,w)
        {
            cout << ans[i][j] << " ";
        }
        cout << endl;
    }
    /*lint N;
    cin >> N;
    lint T;
    cin >> T;
    vector<lint> A(N);
    vector<lint> B(N);
    REP(i, N) cin >> A[i] >> B[i];
    vector<lint> dp0(T + 1), dp1(T + 1);
    REP(i, N)
    {
        IREP(t, T) if (t + A[i] < T)
        {
            mmax(dp1[t + A[i]], dp1[t] + B[i]);
        }
        REP(t, T) mmax(dp1[t], dp0[t] + B[i]);
        IREP(t, T) if (t + A[i] < T)
        {
            mmax(dp0[t + A[i]], dp0[t] + B[i]);
        }
    }
    cout << max(*max_element(ALL(dp0)), *max_element(ALL(dp1))) << endl;*/
}


Measured memory_bytes: 1536