#include <bits/stdc++.h>
using namespace std;
const int Xp=1e9+7;
int t,i;
long long x,y;
int main()
{
    cin>>t;
    while(t--)
    {
        cin>>x>>y;
        long long sol=0,bit=2;
        for(;bit<(1<<30);bit*=2)
        {
            int a=max(bit/2,x);
            int b=min(bit-1,y);
            if(a<=b) sol+=1LL*(b-a+1)*(b-a+2)/2;
        }
        cout<<sol%Xp;
    }
    return 0;
}