import java.io.*;

class code1
{
	public static void main(String args[]) throws Exception 
	{
		File ii = new File ("C-small-attempt1.in");
		FileInputStream fis = new FileInputStream(ii);
		BufferedReader  br = new BufferedReader(new InputStreamReader (fis));
		int cases = Integer.parseInt(br.readLine());
		FileOutputStream fout = new FileOutputStream ("output.txt");
		DataOutputStream dout = new DataOutputStream (fout);
		int total=0;
		for(int i=0;i<cases;i++){
		String temp = br.readLine();
		String parts [] = temp.split(" ");
		int lower = Integer.parseInt(parts[0]);
		int upper = Integer.parseInt(parts[1]);
		System.out.println(lower+" "+upper);
		
		for(int j=lower;j<=upper;j++)
		{
			int abc = j;int length=0;
			if(j<10)continue;
			while (abc!=0){abc/=10;length++;}
			abc=j;
			for(int m=0;m<length-1;m++){
				int shift = abc%10;
				abc=abc/10;
				System.out.println("hi "+j);
				abc=abc+shift*power(10,length-1);
				if(abc<=upper&&shift!=0&&abc>j)total++;
				System.out.println(total);
			}
		}
 		dout.writeBytes("Case #"+(i+1)+ ": "+total+"\n");
 		total=0;
		}//for close
		
	}

	private static int power(int i, int j) {
		int no=1;
		for(int a=0;a<j;a++){no=10*no;}
		return no;
	}
}
import java.io.*;
import java.util.HashSet;

public class ProblemC
{
	public static void main(String[] args) throws Exception
	{
		String base = "C-small-attempt0";
		BufferedReader reader = new BufferedReader(new FileReader(base+".in"));
		BufferedWriter writer = new BufferedWriter(new FileWriter(base+".out"));
		int place = 0;
		reader.readLine();
		while (reader.ready())
		{
			String line = reader.readLine();
			String[] strs = line.split(" ");
			int a = Integer.parseInt(strs[0]);
			int b = Integer.parseInt(strs[1]);
			int num = solve(a,b);
			writer.write("Case #" + (++place) + ": " + num+'\n');
		}
		reader.close();
		writer.close();
	}

	public static int solve(int a, int b)
	{
		int number = 0;
		for (int i=a;i<=b;i++)
		{
			HashSet<Integer> set = new HashSet<Integer>();
			String str = i+"";
			for (int p=str.length()-1;p>=1;p--)
			{
				String test = str.substring(p) + str.substring(0,p);
				int j = Integer.parseInt(test);
				String test2 = j+"";
				if (i < j && j <= b && str.length()==test2.length() && !set.contains(j))
				{
					set.add(j);
					number++;
				}
			}
		}
		return number;
	}
}
