using System;
using System.Collections.Generic;

namespace No307{
    public class Program{
        public static void Main(string[] args){
            var sr = new StreamReader();
            //---------------------------------
            var H = sr.Next<int>();
            var W = sr.Next<int>();
            var A = sr.Next<int>(H, W);
            var Q = sr.Next<int>();

            var dx = new[]{0, 1, 0, -1};
            var dy = new[]{1, 0, -1, 0};
            Func<int, int, bool> isInside = (x, y) => 0 <= x && x < W && 0 <= y && y < H;
            Action<int, int, int> bfs = (v, x, y) =>{
                if(A[y][x] == v) return;

                var que = new Queue<int>();
                A[y][x] = v;
                que.Enqueue(x);
                que.Enqueue(y);

                while(que.Count > 0){
                    var cx = que.Dequeue();
                    var cy = que.Dequeue();
                    for(var i = 0; i < 4; i++){
                        var nx = cx + dx[i];
                        var ny = cy + dy[i];
                        if(isInside(nx, ny) && A[ny][nx] != v){
                            A[ny][nx] = v;
                            que.Enqueue(nx);
                            que.Enqueue(ny);
                        }
                    }
                }
            };

            for(var i = 0; i < Q; i++){
                var R = sr.Next<int>() - 1;
                var C = sr.Next<int>() - 1;
                var X = sr.Next<int>();

                bfs(X, C, R);
            }

            foreach(var a in A) {
                Console.WriteLine(string.Join(" ", a));
            }
            //---------------------------------
        }
    }

    public class StreamReader{
        private readonly char[] _c = {' '};
        private int _index = -1;
        private string[] _input = new string[0];

        public T Next<T>(){
            if(_index == _input.Length - 1){
                _index = -1;
                while(true){
                    string rl = Console.ReadLine();
                    if(rl == null){
                        if(typeof(T).IsClass) return default(T);
                        return (T)typeof(T).GetField("MinValue").GetValue(null);
                    }
                    if(rl != ""){
                        _input = rl.Split(_c, StringSplitOptions.RemoveEmptyEntries);
                        break;
                    }
                }
            }
            return (T)Convert.ChangeType(_input[++_index], typeof(T), System.Globalization.CultureInfo.InvariantCulture);
        }

        public T[] Next<T>(int x){
            var ret = new T[x];
            for(var i = 0; i < x; ++i) ret[i] = Next<T>();
            return ret;
        }

        public T[][] Next<T>(int y, int x){
            var ret = new T[y][];
            for(var i = 0; i < y; ++i) ret[i] = Next<T>(x);
            return ret;
        }
    }
}