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 googlecodejam2012;

import java.io.FileNotFoundException;
import java.util.*;

/**
 *
 * @author Pavlos
 */
public class ProblemC {
    
      public static void main(String[] args) throws FileNotFoundException {
        Read.OpenFile("C-small-attempt0.in");
        Write.OpenFile("solC.txt");
        int T = Read.readInt();
        for (int zz = 1; zz <= T; zz++) {
            int A = Read.readInt();
            int B = Read.readInt();
            
            int size = String.valueOf(A).length();
            ArrayList<Integer> As = new ArrayList<>();
            ArrayList<Integer> Temps = new ArrayList<>();
            
            for (int i = A; i <= B; i++) {
                int temp = i;
                for (int j = 0; j < size; j++) {    
                    int suf = temp%10;
                    temp /= 10;
                    temp += suf*(Math.pow(10, size-1));
                    if(temp <= B && temp >= A && i < temp && temp != i)
                    {
                        if(As.indexOf(i)== Temps.indexOf(temp) && As.indexOf(i) != -1 && Temps.indexOf(temp)!=-1)
                            continue;
                         As.add(i);
                         Temps.add(temp);
                    }
                }
                
            }
           
            Write.WriteToFile(String.format("Case #%d: %d\n",zz,As.size()));
            
        }//end zz
        Write.CloseFile();
    }
}

