#include <stdio.h>
#include <bits/stdc++.h>
#include <atcoder/all>
using namespace atcoder;
using mint = modint998244353;
using namespace std;
#define rep(i,n) for (int i = 0; i < (n); ++i)
#define Inf 1000000001

int main(){
	
	int _t;
	cin>>_t;
	
	rep(_,_t){
		int N,T;
		cin>>N>>T;
		
		vector<int> a,b,c;
		
		rep(i,N){
			for(int j=i+1;j<N;j++){
				a.push_back(i+1);
				b.push_back(j+1);
				c.push_back(0);
			}
		}
		
		if(T%N==0){
			rep(i,c.size()){
				c[i] = T/N;
			}
		}
		else{
			bool f = false;
			rep(i,101){
				rep(j,101){
					if(i*2 + j*(N-2) == T){
						f = true;
						rep(k,c.size()){
							if(a[k]==1)c[k] = i;
							else c[k] = j;
						}
						goto L;
					}
				}
			}
			L:;
			if(!f){
				cout<<"No"<<endl;
				continue;
			}
		}
		
		cout<<"Yes"<<endl;
		rep(i,a.size()){
			cout<<a[i]<<' '<<b[i]<<' '<<c[i]<<endl;
		}
	}
	
    return 0;
}