#include <bits/stdc++.h>
#define int long long
using namespace std;
 
bool ch(int d1, int m1, int d2, int m2) {
	if (m1 == m2) return d2 >= d1;
	return m2 > m1;
}
 
int cnt(int x) {
	return x / 4 - x / 100 + x / 400;
}
 
signed main() {
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	int t;
	cin >> t;
	while (t--) {
		int d1, m1, y1, d2, m2, y2;
		cin >> d1 >> m1 >> y1 >> d2 >> m2 >> y2;
		if (!ch(d1, m1, d2, m2)) --y2;
		if (d1 == 29 && m1 == 2) {
			cout << cnt(y2) - cnt(y1) << '\n';
		}
		else cout << y2 - y1 << '\n';
	}
	return 0;
}

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MQoyOSAyIDk5NiAyOSAyIDEwMDQ=

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