#include <bits/stdc++.h>
using namespace std;
#define MOD 1000000007
#define MOD2 998244353
#define rep(i,n) for (int i = 0; i < (int)(n); i++)
#define reps(i,s,n) for (int i = (int)(s); i < (int)(n); i++)
#define repit(i,C) for (auto i = (C).begin(); i != (C).end(); i++)
#define pr(a) cout << a
#define prl(a) cout << (a) << endl
#define prld(a) cout << setprecision(15)<< (a) << endl 
#define allrange(a) a.begin(),a.end()

int solve(){
    return 0;
}

int main(){
    std::cin.tie(0); // cinとcoutの同期を解除
    std::ios::sync_with_stdio(false);

    int Q;cin >> Q;
    bool flg;
    
    rep(i,Q){
        int N,T;
        cin >> N >> T;
        if((N==2 || N > 4) && (T%2!=0)) flg = false;
        else flg = true;
        if(flg) prl("Yes"); else {prl("No"); continue;}
        
        int n = T/2;
        if((T%2) == 0)
        {
            rep(i,N)
             reps(j,i+1,N)
              {
                if(i==0)
                  pr(1<<' '<<j+1<<' '<<n <<endl);
                else
                  pr(i+1<<' '<<j+1<<' '<<0 <<endl);
              }
        }
        else{
            rep(i,N)
             reps(j,i+1,N)
              {
                if(i==0)
                  pr(1<<' '<<j+1<<' '<<n <<endl);
                else
                  pr(i+1<<' '<<j+1<<' '<<1 <<endl);
              }
        }
    }
    

}