GAMENUM

#include <bits/stdc++.h>
#define adj_list vector<vi>
#define endl "\n"
#define INF_INT 2e9
#define INF_LL 2e18
#define matmax 25
#define mod 1000000007
#define mp make_pair
#define pb push_back
#define pi pair<int, int>
#define pii pair<int, pair<int, int> >
#define pl pair<ll, ll>
#define pll pair<ll, pair<ll, ll> >
#define vi vector<int>
#define vl vector<ll>
#define fastio ios::sync_with_stdio(false); cin.tie(0); cout.tie(0);
using namespace std;
typedef long long int ll;

int lsone(int n)
{
    return (n&-n);
}

ll pow1(ll a, ll b)
{
    if (b == 0)
        return 1ll;
    else if (b == 1)
        return a;
    else
    {
        ll x = pow1(a, b/2);
        x *= x;
        x %= mod;
        if (b%2)
        {
            x *= a;
            x %= mod;
        }
        return x;
    }
}

int t;
ll a, b;

int main()
{
    fastio;
    cin>>t;
    while (t--) {
        cin>>a>>b;
        ll maxxor = a ^ b, numop = 0, iter = 100, maximb = 0;
        for (ll i = 0; i <= 60; i++) {
            if (b & (1ll<<i) or (a & (1ll<<i)))
                maximb = (1ll<<i);
        }

        while (iter--) {
            if (b % 2) b = ((b - 1)/2 + maximb);
            else b /= 2;

            if ((a ^ b) > maxxor) {
                maxxor = a ^ b;
                numop = (100 - iter);
            }
        }

        cout<<numop<<" "<<maxxor<<endl;
    }

    return 0;
}