#include<iostream>
using namespace std;
int Q,N,T;
main()
{
	cin>>Q;
	for(;Q--;)
	{
		cin>>N>>T;
		if(T%2==0)
		{
			cout<<"Yes"<<endl;
			for(int i=1;i<N;i++)for(int j=i+1;j<=N;j++)
			{
				cout<<i<<" "<<j<<" "<<(i==1?T/2:0)<<endl;
			}
		}
		else if(T%N==0)
		{
			cout<<"Yes"<<endl;
			for(int i=1;i<N;i++)for(int j=i+1;j<=N;j++)
			{
				cout<<i<<" "<<j<<" "<<T/N<<endl;
			}
		}
		else if(N==3)
		{
			cout<<"Yes"<<endl;
			cout<<"1 2 "<<T<<endl;
			cout<<"1 3 0"<<endl;
			cout<<"2 3 0"<<endl;
		}
		else cout<<"No"<<endl;
	}
}