#include <bits/stdc++.h>

using namespace std;

typedef long long ll;
typedef vector<int> vi;
typedef vector<ll> vl;
typedef complex<double> P;
typedef pair<int,int> pii;
#define REP(i,n) for(ll i=0;i<n;++i)
#define REPR(i,n) for(ll i=1;i<n;++i)
#define FOR(i,a,b) for(ll i=a;i<b;++i)

#define DEBUG(x) cout<<#x<<": "<<x<<endl
#define DEBUG_VEC(v) cout<<#v<<":";REP(i,v.size())cout<<" "<<v[i];cout<<endl
#define ALL(a) (a).begin(),(a).end()

#define MOD (ll)(1e9+7)
#define ADD(a,b) a=((a)+(b))%MOD
#define FIX(a) ((a)%MOD+MOD)%MOD

int h,w;
int mp[200][200];
int nxt[200][200];
bool used[200][200];
int vx[4] = {1,0,-1,0};
int vy[4] = {0,1,0,-1};

void dfs(int y,int x,int col){
  if(x<0 || y<0 || x>=w || y>=h)return;
  if(used[y][x])return;
  used[y][x] = true;
  if(mp[y][x] == col)return;
  nxt[y][x] = col;
  REP(i,4){
    dfs(y+vy[i],x+vx[i],col);
  }
}

int main(){
  cin >> h >> w;
  // vector<vi> mp(h,vi(w));
  REP(i,h)REP(j,w){
    cin>>mp[i][j];
    nxt[i][j] = mp[i][j];
  }
  int q;
  cin >> q;
  REP(_,q){
    int y,x,col;
    cin >> y >> x >> col;
    --y;--x;
    fill(used[0],used[200],false);
    dfs(y,x,col);
    if(used[0][0] && used[h-1][0] && used[0][w-1] && used[h-1][w-1]){
      REP(t,q-1-_){
        cin >> y >> x >> col;
      }
      fill(mp[0],mp[200],col);
      break;
    }
    REP(i,h)REP(j,w)mp[i][j]=nxt[i][j];
  }
  REP(i,h){
    cout << mp[i][0];
    REPR(j,w) cout << " " << mp[i][j];
    cout << endl;
  }
  return 0;
}