#include <bits/stdc++.h>
using namespace std;
#define  read_fast ios::sync_with_stdio(0),cin.tie(0),cout.tie(0);
void solve()
{
    vector<int> a(32);
    for(int i=0;i<32;i++) cin>>a[i];
    int x=a[0];
    sort(a.begin(),a.end());
    int id=0;
    while(a[id]!=x) id++;
    if(id<16){
        cout<<32<<"\n";
        return ;
    }
    if(id<8){
        cout<<16<<"\n";
        return ;
    }
    if(id<4){
        cout<<8<<"\n";
        return ;
    }
    if(id<2){
        cout<<4<<"\n";
        return ;
    }
    if(id<1){
        cout<<2<<"\n";
        return ;
    }
    cout<<1<<"\n";

}
int main()
{
    read_fast;
    int t;
    cin>>t;
    while(t--) solve();
    return 0;
}