#include<iostream>
#include<algorithm>
#include<cstdio>
#include<cmath>
#include<cstring>
#include<queue>
using namespace std;
#define inf 0x3f3f3f
const int maxn = 2000005;

inline int read() {
	int tp = 0, w = 1;
	char c;
	c = getchar();
	while (c < '0' || c>'9') {
		if (c == '-') w = -1;
		c = getchar();
	}
	while (c >= '0' && c <= '9') {
		tp = tp * 10 + (c - '0');
		c = getchar();
	}
	return tp * w;
}
int t;
int main() {
	t = read();
	int n, m;
	while (t--) {
		cin >> n >> m;
		if (n % 4 == 3) {
			cout << "Yes" << endl;
			for (int i = 1; i <= n; i++) {
				if (i % 2 == 0) {
					for (int j = 1; j <= m; j++) {
						cout << 1 << " ";
					}
				}
				else {
					for (int j = 1; j <= m; j++) {
						cout << 0 << " ";
					}
				}
				cout << endl;
			}
		}
		else if (m % 4 == 3) {
			cout << "Yes" << endl;
			for (int i = 1; i <= n; i++) {
				for (int j = 1; j <= m; j++) {
					if (j % 2 == 1) {
						cout << 1 << " ";
					}
					else cout << 0 << " ";
				}
				cout << endl;
			}
		}
		else if (m % 4 == 0) {
			cout << "Yes" << endl;
			for (int i = 1; i <= n; i++) {
				for (int j = 1; j <= m; j++) {
					if (j == 1) {
						cout << 1 << " ";
					}
					else if (j % 2 == 0) {
						cout << 1 << " ";
					}
					else cout << 0 << " ";
				}
				cout << endl;
			}
		}
		else if (n%4==0) {
			cout << "Yes" << endl;
			for (int i = 1; i <= n; i++) {
				if (i  == 1) {
					for (int j = 1; j <= m; j++) {
						cout << 1 << " ";
					}
				}
				else if (i % 2 == 0) {
					for (int j = 1; j <= m; j++) {
						cout << 1 << " ";
					}
				}
				else {
					for (int j = 1; j <= m; j++) {
						cout << 0 << " ";
					}
				}
				cout << endl;
			}
		}
		else{
			cout << "No" << endl;
		}
	}
	return 0;
}