#include <bits/stdc++.h>
using namespace std;
const int MAX_N = 20001;
const int MAX_LOG = 20;
using ll = long long;
using pii = pair<int, int>;
using pil = pair<int, ll>;
using pll = pair<ll, ll>;
const double delta = 1e-6;
const long long mod = 1e9 + 7;
const int magic_const = 1e9;
const ll INF = 2e18 + 2;
const ll BIG_DT = 1e12;
mt19937 gen(54323244234);
inline ll modoper(ll x) { return ((x % mod) + mod) % mod; }
ll gcd(ll x, ll y) { return y == 0 ? x : gcd(y, x % y); }
inline ll get_rand(ll x) { return (gen() % x + x) % x; }
template <typename T>
inline void sort(vector<T>& x) {
  sort(x.begin(), x.end());
}
template <typename T>
inline void reverse(vector<T>& x) {
  reverse(x.begin(), x.end());
}
template <typename T>
inline void set_max(T& x, T y) {
  x = max(x, y);
}
template <typename T>
inline void set_min(T& x, T y) {
  x = min(x, y);
}
ll bin_pow(ll x, ll pow) {
  if (pow == 0) return 1;
  if ((pow & 2) == 1) {
    return (bin_pow(x, pow - 1) * x) % mod;
  } else {
    auto tmp = bin_pow(x, pow / 2);
    return (tmp * tmp) % mod;
  }
}
struct fenwick_tree {
  vector<int> a;
  fenwick_tree(int n) : a(n + 2) {}
  void add(int pos, int delta) {
    for (pos++; pos < a.size(); pos += pos & -pos) a[pos] += delta;
  }
  int get_sum(int pos) {
    int sum = 0;
    for (pos++; pos > 0; pos -= pos & -pos) sum += a[pos];
    return sum;
  }
};
vector<double> ys(MAX_N);
vector<vector<double>> matrix(3, vector<double>(3));
double find_det() {
  double answer = 0.0;
  for (int i = 0; i < 3; i++) {
    double pr = 1.0;
    for (int j = 0; j < 3; j++) {
      pr *= matrix[j][(i + j) % 3];
    }
    answer += pr;
  }
  for (int i = 0; i < 3; i++) {
    double pr = 1.0;
    for (int j = 0; j < 3; j++) {
      pr *= matrix[j][(i - j + 3) % 3];
    }
    answer -= pr;
  }
  return answer;
}
void set_point_in_vector(vector<double>& a, int x) {
  a[0] = x * x;
  a[1] = x;
  a[2] = 1.0;
}
void nullify(int x1, int x2, int x3) {
  set_point_in_vector(matrix[0], x1);
  set_point_in_vector(matrix[1], x2);
  set_point_in_vector(matrix[2], x3);
}
void set_st_r(int x1, int x2, int x3, int column) {
  nullify(x1, x2, x3);
  matrix[0][column] = ys[x1];
  matrix[1][column] = ys[x2];
  matrix[2][column] = ys[x3];
}
pair<double, pair<double, double>> find_eq(int x1, int x2, int x3) {
  nullify(x1, x2, x3);
  double det = find_det();
  set_st_r(x1, x2, x3, 0);
  double det_1 = find_det();
  set_st_r(x1, x2, x3, 1);
  double det_2 = find_det();
  set_st_r(x1, x2, x3, 2);
  double det_3 = find_det();
  return {det_1 / det, {det_2 / det, det_3 / det}};
}
void solve() {
  int n, d;
  cin >> n >> d;
  vector<int> a(n, 1);
  int sum_now = (n * (n - 1)) / 2 - d;
  for (int l = 1, r = a.size() - 1; l < r; r--) {
    while (l < r && (sum_now - r + l < 0 || a[l] == a[l - 1] * 2)) {
      l++;
    }
    if (l >= r) break;
    sum_now -= r;
    sum_now += l;
    a[l]++;
    a[r]--;
  }
  if (sum_now != 0) {
    cout << "NO\n";
    return;
  }
  cout << "YES\n";
  a.insert(a.begin(), 0);
  vector<int> pref_sums = a;
  for (int i = 1; i < pref_sums.size(); i++) {
    pref_sums[i] += pref_sums[i - 1];
  }
  for (int i = 2; i < pref_sums.size(); i++) {
    for (int k = 0; k < a[i]; k++) {
      cout << pref_sums[i - 2] + 1 + k / 2 << " ";
    }
  }
  cout << "\n";
}
int main() {
  ios_base::sync_with_stdio(false);
  cin.tie(0);
  cout.tie(0);
  srand(23321);
  int t = 1;
  cin >> t;
  for (int i = 0; i < t; i++) solve();
  return 0;
}
