#include <bits/stdc++.h>
using namespace std;

#define debug(a) cout << #a << "=" << a << endl;
#define LL long long

const int N = 32 + 10;
const int MOD = 1e9 + 7;

LL n;
LL a[N];

void solve() {
  for (int i = 1; i <= 32; i++) {
    cin >> a[i];
  }
  LL china = a[1];
  sort(a + 1, a + 33);

  int sta;
  for (int i = 1; i <= 32; i++) {
    if (a[i] == china) sta = i;
  }
  if (sta > 30) {
    if (sta == 32)
      cout << 1 << endl;
    else
      cout << 2 << endl;
  } else {
    if (sta > 28) {
      cout << 4 << endl;
    } else {
      if (sta > 24) {
        cout << 8 << endl;
      } else {
        if (sta > 16) {
          cout << 16 << endl;
        } else {
          cout << 32 << endl;
        }
      }
    }
  }
}

int main() {
  int T = 1;
  cin >> T;
  while (T--) {
    solve();
  }
}