#include <bits/stdc++.h>

int main() {
  using namespace std;
  cin.tie(nullptr)->sync_with_stdio(false);
  int tt;
  cin >> tt;
  while (tt--) {
    int n, target;
    cin >> n >> target;
    if (~target & 1) {
      cout << "Yes\n";
      for (int i = 1; i < n; ++i)
        for (int j = i + 1; j <= n; ++j) cout << i << ' ' << j << ' ' << (i == 1 ? target / 2 : 0) << '\n';
    } else if (target % n == 0) {
      cout << "Yes\n";
      for (int i = 1; i < n; ++i)
        for (int j = i + 1; j <= n; ++j) cout << i << ' ' << j << ' ' << target / n << '\n';
    } else if (n == 3) {
      cout << "Yes\n";
      for (int i = 1; i < n; ++i)
        for (int j = i + 1; j <= n; ++j) cout << i << ' ' << j << ' ' << (i == 1 and j == 2 ? target : 0) << '\n';
    } else {
      cout << "No\n";
    }
  }
}