#include <bits/stdc++.h>
using namespace std;
map<long long int, long long int> vis;
vector<string> length[109];
long long int len[109];
map<long long int, long long int> cnt;
vector<long long int> ans;
vector<long long int> ans2;
long long int arra[200009];
map<long long int, long long int> divs;
vector<long long int> not_used;
map<string, long long int> name;
vector<string> ship[109];
long long int a[209];
deque<long long int> b;
long long int a_s[39];
long long int b_s[39];
deque<long long int> sorted;
int main() {
  long long int i, j, k, l = 1, t, a1, a2, b1, b2, s = 2, r = 1, n, m = 4, f, e,
                         x, zero = 0, one = 1, c;
  name["rat"] = 1, name["woman"] = 2;
  name["child"] = 2;
  name["man"] = 3;
  name["captain"] = 4;
  string xy, yz;
  cin >> t;
  while (t--) {
    cin >> n;
    set<pair<long long int, pair<long long int, long long int> > > cta;
    cta.insert(make_pair(-n, make_pair(one, n)));
    memset(arra, zero, sizeof(arra));
    c = 1;
    while (cta.size()) {
      pair<long long int, pair<long long int, long long int> > tem =
          *cta.begin();
      l = tem.second.first;
      r = tem.second.second;
      cta.erase(tem);
      if (l > r) continue;
      if (l == r) {
        arra[l] = c++;
        continue;
      }
      int x = r - l + 1;
      if (x % 2) {
        arra[(l + r) / 2] = c++;
        x = (l + r) / 2;
        cta.insert(make_pair(-(x - l), make_pair(l, x - 1)));
        cta.insert(make_pair(-(r - x), make_pair(x + 1, r)));
      } else {
        arra[(l + r - 1) / 2] = c++;
        x = (l + r - 1) / 2;
        cta.insert(make_pair(-(x - l), make_pair(l, x - 1)));
        cta.insert(make_pair(-(r - x), make_pair(x + 1, r)));
      }
    }
    for (i = 1; i <= n; i++) cout << arra[i] << " ";
    cout << '\n';
  }
}
