#include<bits/stdc++.h>
typedef long long ll;
#define endl '\n'
#define F first
#define S second
#define pb push_back
#define yes cout<<"YES\n"
#define no cout<<"NO\n"
#define all(x) x.begin(),x.end()
#define allr(x) x.rbegin(),x.rend()
#define error1(x) cerr<<#x<<" = "<<(x)<<endl
#define error2(a,b) cerr<<"("<<#a<<", "<<#b<<") = ("<<(a)<<", "<<(b)<<")\n";
#define coutall(v) for(auto &it: v) cout<<it<<" "; cout<<endl;
#define _ASRafi__ ios::sync_with_stdio(false); cin.tie(0);
using namespace std;
void solve()
{
ll a, b, ans1 = 0, ans2 = 0;
cin >> a >> b;
if(a == b)
{
cout << 0 << endl;
return;
}
ll tmpA = a;
while(a * 2LL <= b) a *= 2LL, ++ans1;
ans1 += (b - a);
a = tmpA;
if(b & 1) ++ans2, --b;
while(a < b / 2LL) b /= 2LL, ++ans2;
ans2 += b - a;
cout << min(ans1, ans2) << endl;
return;
}
int32_t main()
{
_ASRafi__;
int tc = 1;
cin >> tc;
for (int t = 1; t <= tc; t++)
{
// cout << "Case " << t << ": ";
solve();
}
return 0;
}