#include using namespace std; int main(){ int Q; cin >> Q; for (int i = 0; i < Q; i++){ int N, T; cin >> N >> T; if (N == 3){ cout << "Yes" << endl; cout << 1 << ' ' << 2 << ' ' << 0 << endl; cout << 1 << ' ' << 3 << ' ' << 0 << endl; cout << 2 << ' ' << 3 << ' ' << T << endl; } else { int x = -1, y = -1; for (int j = 0; j <= T; j++){ for (int k = -j; k <= T; k++){ if (j * N + k * 2 == T){ x = j; y = k; } } } if (x == -1 && y == -1){ cout << "No" << endl; } else { cout << "Yes" << endl; for (int j = 0; j < N; j++){ for (int k = j + 1; k < N; k++){ int c; if (j == 0){ c = x + y; } else { c = x; } cout << j + 1 << ' ' << k + 1 << ' ' << c << endl; } } } } } }