#include <bits/stdc++.h> 
using namespace std;
int a[100], ok, n ;
void ktao (){
	for (int i = 1; i <= n ;i++){
		a[i] = 0;
	}
}
void sinh(){
	int i = n;
	while (i > 0 && a[i] == 1){
		a[i] = 0;
		--i;
	} 
	if (i == 0){
		ok = 0;
	}
	else {
		a[i] = 1;
	}
}
int main (){
	int t; cin >> t; 
	while (t--){
		int q , b;
		cin >> n >> q >> b;
		int h[n];
		for (int &x : h) cin >> x;
		int cnt = 0;
		ok = 1;
		
		ktao ();
		while (ok){
			int sum = 0;
			for (int i = 1; i <= n ;i++){
				if (a[i] == 1) sum += h[i -1];
			}
			if (sum >= q && sum <= b){
				cnt++;
			}
			sinh();
		}
		cout << cnt << endl;
	}
}