#include<bits/stdc++.h>
using namespace std;
#define N 5005
#define M 10005
#define p 998244353
#define ll long long
void work(){
    int n,m;
    scanf("%d%d",&n,&m);
    if((n&1)&&(m&1))return puts("No"),void();
    puts("Yes");
    if(~n&1){
        for(int i=1;i<=n/2;i++,puts(""))
            for(int j=1;j<=m;j++)printf("1 ");
        for(int i=1;i<=n/2;i++,puts(""))
            for(int j=1;j<=m;j++)printf("0 ");
    }
    else{
        for(int i=1;i<=n;i++){
            for(int j=1;j<=m/2;j++)printf("1 ");
            for(int j=1;j<=m/2;j++)printf("0 ");
        }
    }
}
int main(){
    int t;scanf("%d",&t);while(t--)
    work();
}