#include<stdio.h>
int main(){
long long int a,b,c,g,h=0,count;

scanf("%lld", &g);

for(int j=1;j<=g;j++){
long long int count=0;
scanf("%lld%lld",&a,&b);
if(a==b){
    printf("0\n");
}
else do{
    a=a*2;
    count++;
}
while(a<=b);
if(a<b){
    h=b-a;
count=count+h;
}



printf("%lld\n", count);
}
}