#include<iostream>
using namespace std;
int main()
{
	long long int a, b, c, d, e, f, g;
	while (cin >> a) {
		cout << "\n";
		for (b=0;b<a;b++) {
			cin >> c >> d;
			for (g=0;g<d;g++) {
				for (e=0;e<c+1;e++) {
					for (f=0;f<e;f++) {
						cout << e;
					}
					cout << "\n";
				}
				e -= 2;
				for (;e>0;e--) {
					for (f=0;f<e;f++) {
						cout << e;
					}
					cout << "\n";
				}
			}
			cout << "\n";
		}
	}
}




這是AC!!!