#include<bits/stdc++.h>
using namespace std;

int main(){
  int Q,n,T,u;
  cin>>Q;
  while(Q--){
    cin>>n>>T;
    if(T%n){
      cout<<"No\n";
      continue;
    }
    cout<<"Yes\n";
    u=T/n;
    for(int i=1;i<=n;i++){
      for(int j=i+1;j<=n;j++){
        cout<<i<<" "<<j<<" "<<u<<endl;
      }
    }
  }
}