#include "bits/stdc++.h"
using namespace std;
using ll = long long;
using Graph = vector<vector<int>>;
#define int ll
#define double long double
#define YES {cout<<"YES"<<'\n';}
#define NO {cout<<"NO"<<'\n';}
#define Yes {cout<<"Yes"<<'\n';}
#define No {cout<<"No"<<'\n';}
#define yes {cout<<"yes"<<'\n';}
#define no {cout<<"no"<<'\n';}
void YN(bool flg){cout<<(flg?"YES":"NO")<<'\n';}
void Yn(bool flg){cout<<(flg?"Yes":"No")<<'\n';}
void yn(bool flg){cout<<(flg?"yes":"no")<<'\n';}
#define SORT(a) sort(a.begin(),a.end())
#define REVERSE(a) reverse(a.begin(),a.end())
#define REP(i, n) for(int i = 0; i < n; i++)
#define REPR(i, n) for(int i = n; i >= 0; i--)
#define FOR(i, m, n) for(int i = m; i < n; i++)
#define out(n) {cout << n << '\n';}
typedef vector<int> VI;
typedef vector<string> VS;
typedef vector<bool> VB;
typedef vector<VI> VVI;
const int MOD = 1000000007;
const long long INF = 10e10;
const double PI = acos(-1.0);
template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return 1; } return 0; }
template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return 1; } return 0; }
template<class T>auto MAX(const T& a) { return *max_element(a.begin(),a.end()); }
template<class T>auto MIN(const T& a) { return *min_element(a.begin(),a.end()); }
int ABS(int a) {if(a<0) a = -a; return a;}
template<class T, class U>U SUM(const T& a, const U& v) { return accumulate(a.begin(),a.end(), v); }
template<class T, class U>U COUNT(const T& a, const U& v) { return count(a.begin(),a.end(), v); }
template<class T, class U>int LOWER(const T& a, const U& v) { return lower_bound(a.begin(),a.end(), v) - a.begin(); }
template<class T, class U>int UPPER(const T& a, const U& v) { return upper_bound(a.begin(),a.end(), v) - a.begin(); }
int GCD(int a, int b) { return b ? GCD(b, a%b) : a; }
int LCM(int a, int b) { int g = GCD(a, b); return a / g * b; }
int POW(int a, int n) { int r = 1; while (n > 0) { if (n & 1)r *= a; a *= a; n /= 2; }return r; }
int isPrime(int n){if(n<2){return 0;}for(int i=2; i*i<=n; i++){if(n%i==0){return 0;}}return 1;}
/*素因数分解*/map< int, int >prime_factor(int n){map< int, int > ret;for(int i = 2; i * i <= n; i++) {while(n % i == 0) {ret[i]++;n /= i;}}if(n != 1) ret[n] = 1;return ret;}
/*約数の個数*/int divisor_number(int n){auto p = prime_factor(n); int res = 1; for(auto x:p)res*=(x.second+1); return res;}
/*約数列挙*/vector<int> divisor(int n){vector<int> v; for(int i=1; i*i<=n; i++){if(n%i==0){v.push_back(i);if(i!=n/i){v.push_back(n/i);}}}sort(v.begin(),v.end()); return v;}
//----------------ライブラリとか----------------

signed main(){
    cin.tie(0);
    ios::sync_with_stdio(0);
    cout<<fixed<<setprecision(15);

    int h,w,k; cin >> h >> w >> k;
    int a[h][w];
    int tmp = 1;
    REP(i,h){
        REP(j,w){
            char c; cin >> c;
            if(c=='#'){a[i][j]=tmp; tmp++;}
            else a[i][j] = 0;
        }
    }

    // ->
    REP(i,h){
        REP(j,w){
            if(j==0) continue;
            if(a[i][j]==0) a[i][j]=a[i][j-1];
        }
    }

    // <-
    REP(i,h){
        for(int j=w-2; j>=0; j--){
            if(a[i][j]==0) a[i][j]=a[i][j+1];
        }
    }

    // ↓

    REP(j,w){
        REP(i,h){
            if(i==0) continue;
            if(a[i][j]==0) a[i][j]=a[i-1][j];
        }
    }

    // ↑

    REP(j,w){
        for(int i=h-2; i>=0; i--){
            if(a[i][j]==0) a[i][j] = a[i+1][j];
        }
    }

    REP(i,h){
        REP(j,w){
            if(j!=w-1) cout << a[i][j] << ' ';
            else cout << a[i][j] << endl;
        }
    }

    return 0;
}

Measured memory_bytes: 1536