#include <bits/stdc++.h>

using namespace std;

int main()
{
    int n;
    cin >> n;

    while (n -- )
    {
        int x, y;
        cin >> x >> y;

        int k = ceil((double)y / (x + 1));
//         cout << k << endl;
        if (y == 0) cout << 0 << endl;
        else
        {
            if ((k - 1) * (x + 1) + 1 >= y)
                cout << 2 * k - 1 << endl;
            else cout << 2 * k << endl;
        }
    }

    return 0;
}