#include<bits/stdc++.h>
#define fre(x) freopen(#x".in","r",stdin); freopen(#x".out","w",stdout);
#define Fre(x,y) freopen(#x".in","r",stdin); freopen(#y".out","w",stdout);

#define IsDigit(c) ('0'<=(c) && (c)<='9')

#define MAX 5 +

#define Enter putchar('\n');
#define Space putchar(' ');
#define LL long long
#define INF 1<<30
#define p

using namespace std;

inline int read()
{
	int x=0; bool f=true;
	char c=getchar();
	for (;!IsDigit(c);c=getchar()) if (c=='-') f=false;
	for (;IsDigit(c);c=getchar()) x=(x<<3)+(x<<1)+(c^'0');
	return f ? x : -x;
}
inline void write(int x)
{
    if (x<0)
	{
        putchar('-');
		x=-x;
	}
    if (x>9) write(x/10);
	putchar(x%10+'0');
}

int n,Ans;

signed main()
{
//	fre();

	n=read();
	for (register int x,y,i=1;i<=n;i++)
	{
		x=read(); y=read();
		Ans=0;
		while (x!=y)
		{
			Ans++;
			if (x<y) swap(x,y);
			x/=2;
		}
		write(Ans); Enter;
	}

	return 0;
}