// God & me
// Fly ...
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
const int maxn = 100;

int t, n, a[maxn];
int main(){
	ios::sync_with_stdio(0), cin.tie(0);
	cin >> t;
	assert(1 <= t && t <= 100);
	cin.ignore();
	while(t--){
		string tmp;
		getline(cin, tmp);
		stringstream ss;
		ss << tmp;
		n = 0;
		while(ss >> a[n++]);
		n -= 2;
		assert(n <= 50);
		bool seen = 0;
		int ans = 0;
		for(int i = 0; i < n + 1; i++)
			if(a[i] == n)
				if(seen)
					ans = max(ans, a[i]);
				else
					seen = 1;
			else
					ans = max(ans, a[i]);
		cout << ans << '\n';
	}
	return 0;
}