#include <bits/stdc++.h>
using namespace std;

int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    int t;
    cin>>t;
    while(t--){
        int n;
        long long l, r;
        cin>>n>>l>>r;
        vector<long long> a(n+1);
        for (int i = 1; i <= n; i++) cin>>a[i];
        sort(a.begin(), a.end());
        long long ans = 0;
        for (int i = 1; i <= n; i++) {
            long long lo = l - a[i];
            long long hi = r - a[i];
            auto niga = lower_bound(a.begin() + i + 1, a.end(), lo);
            auto nigrass = upper_bound(a.begin() + i + 1, a.end(), highVal);
            ans += (nigrass-niga);
        }
        cout<<ans<<"\n";
    }
    return 0;
}