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;
	}
}
/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package googlecodejam;

import java.io.BufferedReader;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.io.PrintWriter;

/**
 *
 * @author Muhammad Zahran
 */
public class recycleNumber 
{
     public static void main(String[] args) throws IOException 
    {
        PrintWriter w =  new PrintWriter(new FileWriter("out.txt"));
        BufferedReader r = new BufferedReader(new FileReader("input.txt")); 
        int testcases = Integer.parseInt(r.readLine());
        for (int i = 0; i < testcases; i++) 
        {
            int result=0;
            
            String[] tokens = r.readLine().split(" "); 
            String strA = tokens[0];
            int a = Integer.parseInt(tokens[0]);
            int b = Integer.parseInt(tokens[1]);            
            String strB = tokens[1];
            
            int currentNo = a;
            while(true)
            {                      
                if(currentNo > b)
                    break;
                int scratch = currentNo;             
                String strScratch = String.valueOf(currentNo);
                
                for (int d = 1; d < strScratch.length(); d++) 
                {
                     String sub1 = strScratch.substring(strScratch.length()-d,strScratch.length()); //LSD
                     String sub2 = strScratch.substring(0,strScratch.length()-d); //MSD
                     
                    if(!sub1.substring(0, 1).equals("0"))
                    {
                        String strRotated = sub1+sub2;
                        if(!strRotated.equals(strScratch))
                        {
                            int rotated = Integer.parseInt(strRotated);
                            if(rotated <= b && rotated > scratch)
                            {
                              //  w.println(scratch + " : "+rotated);
                               // System.out.println(scratch + " : "+rotated); 
                                result++;
                            }
                        }                    
                    }        
                }
                      
               currentNo++;               
            }
              int asd = i+1;
              w.println("Case #" + asd + ": " + result);
              System.out.println("Case #" + asd + ": " + result);                                  
        }
        
         w.close();
    }
    
}
