#include <stdio.h>

#include<math.h>

long int poww(long int to)

{

if(to==0)

return 1;

```
return 2*poww(to-1);
}
long int other_path(long int h,long int l)
{
long int path=0;
while(h!=l){
path+=2;
h/=2;l/=2;
}
return path;
}
long int level(long int i)
{return (long int)(log10((double)i)/log10((double)2));}
int main(void) {
long int t;
scanf("%ld",&t);
long int i,j,l_i,l_j,l_df,ans;
while(t-- > 0)
{
scanf("%ld %ld",&i,&j);
if(i>j)
{i=i+j; j=i-j; i=i-j;} // assigning max(j,i) to j and other i is always smaller one
l_i=level(i);
l_j=level(j);
l_df=l_j-l_i;
ans = l_df + other_path(j/poww(l_df),i);
/*bring them to same level and then decrease them to the common parent*/
printf("%ld\n",ans);
}
return 0;
}
```