#include<bits/stdc++.h>
using namespace std;
#define int long long
void solve(){
	int a[34];
	int pai=1;
	cin>>a[1];
	for(int i=2;i<=32;i++){
		cin>>a[i];
		if(a[i]<a[1])pai++;
	}
	if(pai==32)cout<<1<<endl;
	else if(pai>=16)cout<<2<<endl;
	else if(pai>=8)cout<<4<<endl;
	else if(pai>=4)cout<<8<<endl;
	else if(pai>=2)cout<<16<<endl;
	else cout<<32<<endl;
}
signed main(){
	std::ios::sync_with_stdio(false);
	cin.tie(0); 
	cout.tie(0);
	int t;
	cin>>t;
	while(t--){
		solve();
	}
}