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.*;

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

/**
 *
 * @author RockHead
 */
public class Recycle {
    
     public static void main(String args[]) throws FileNotFoundException, IOException
    {
        BufferedReader reader = new BufferedReader(new FileReader("C:\\Users\\RockHead\\Desktop\\C-small-attempt0.in"));
        BufferedWriter writer = new BufferedWriter(new FileWriter("C:\\Users\\RockHead\\Desktop\\Recycle_Sol.txt"));
        int testNo = Integer.parseInt(reader.readLine());
        int count=0;
        for(int i=1;i<=testNo;i++)
        {
            String str=reader.readLine();                
            String[] info=str.split(" ");
            
            int A=Integer.parseInt(info[0]);
            int B=Integer.parseInt(info[1]);
            
            int n=A;
           for(int j=n;j<B;j++)
           {
              int m=j+1;
               for(int k=m;k<=B;k++)
               {
                  // System.out.println("Recycle (" + j +" "+ k  +") "+ isRecycled(Integer.toString(j),Integer.toString(k)));
                   if(isRecycled(Integer.toString(j),Integer.toString(k)))
                    count++;
               }
           } 
            System.out.println("Case #"+ i+": "+count );
            writer.write("Case #"+ i+": "+count);
            writer.newLine();
            count=0;
            
        }
        
        
        reader.close();
        writer.close();
}
     
     
     public static boolean isRecycled(String a,String b)
     {
        //move from the back of a to the front 
         for(int i=a.length();i>0;i--)
         {
             String subOne=a.substring(i);
             String subTwo=a.substring(0,i);
             String newString=subOne+subTwo;
             if(newString.equals(b))
                return true;
         }
         
         return false;
     }
     }
