#include <iostream>
using namespace std;
/* run this program using the console pauser or add your own getch, system("pause") or input loop */

int main() {
	int t;
	cin>>t;
	for (t=t;t>0;t--){
		int n,m,q;
		cin>>n>>m>>q;
		int a[m+1][n+1]={0};
		int opt,x,c;
		for (q=q;q>0;q--){
			cin>>opt>>x>>c;
			if (opt=0){
				for(int i=1;i<=m;i++){
					a[x][i]=c;
				}
			}else{
				for(int i=1;i<=m;i++){
					a[i][x]=c;
			}
		}
		for (int i=1;i<=m;i++){
			for (int j=1;j<=n;j++){
				if(j==n){
					cout<<a[i][j];
				}else{
					cout<<a[i][j]<<" ";
				}
			}cout<<endl;
		}
		}
	}
	return 0;
}

自认为码风极其难看。求调