//#pragma G++ optimize ("O2")
//#pragma GCC optimize("O2")
#include <bits/stdc++.h>
using namespace std;
int m,n;
int main()
{
//    freopen("sort.in","r",stdin);
//    freopen("sort.out","w",stdout);
	  int n;
    scanf("%d",&n);
    for(int i=1;i<=n;i++)
    {
        int x,y,ans=0;
        scanf("%d %d",&x,&y);
        while(x!=y)
        {
            ans++;
            if(y>x) swap(x,y);
            x/=2;
        }
        printf("%d\n",ans);
    }
	return 0;
}