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

package recycled;

import java.io.BufferedReader;
import java.io.DataInputStream;
import java.io.FileInputStream;
import java.io.FileWriter;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.util.TreeSet;

/**
 *
 * @author Alfred
 */
public class Main {

    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) {
    try {
            FileInputStream fstream = new FileInputStream("C-small-attempt0.in");
            DataInputStream in = new DataInputStream(fstream);
            BufferedReader br = new BufferedReader(new InputStreamReader(in));
            FileWriter outFile = new FileWriter("out.txt");
            PrintWriter out = new PrintWriter(outFile);
            String line;
            line = br.readLine();
            int cases = Integer.parseInt(line);
            for (int i=1; i<=cases;i++){
                line = br.readLine();
                String[] values = line.split(" ");
                int A = Integer.parseInt(values[0]);
                int B = Integer.parseInt(values[1]);
                int total=0;
                for (int n=A; n<=B;n++){
                    TreeSet<String> solutions = new TreeSet<String>();
                    for (int k=1;k<values[1].length();k++){
                        String m = circshift(n,k);
                        int mVal = Integer.parseInt(m);
                        if(mVal<=B && mVal!=n  && mVal> n && !m.startsWith("0") && m.length()==Integer.toString(n).length() )
                        {
                            solutions.add(m);
                        }                   
                    }
                    total+=solutions.size();
                }
                out.println("Case #"+i+": "+total);
            }
            in.close();
            out.close();
        } catch (Exception e) {//Catch exception if any
            System.err.println("Error: " + e.getMessage());
        }

}

    private static String circshift(int n, int k) {
        String nString=Integer.toString(n);
        int len=nString.length();
        String m =  nString.substring(len-k)+nString.subSequence(0, len-k);
        //System.out.println(n+" "+m);
        return m;
    }

}

import java.io.BufferedWriter;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.FileWriter;
import java.util.ArrayList;
import java.util.Scanner;


public class abc {
	public static void main(String args[]) 
	{
		int x ,y,j,k,ans=0;
		int tcount =0;
		try{
			  // Create file 
			  FileWriter fstream = new FileWriter("C-small-attempt4.out");
			  BufferedWriter out = new BufferedWriter(fstream);
			 
		
      
		
		 Scanner myfile;
		try {
			myfile = new Scanner(new FileReader("C-small-attempt4.in"));
				 int testcases = myfile.nextInt();
         while (testcases != 0 || myfile.hasNextInt())  
         {          // Read file content using a while loop
        	 ans =0; 
        	 x = myfile.nextInt();
        	 y = myfile.nextInt();
        	 
        // System.out.println(x + y);
		
		int divby = 1;
		for(k = x;k>=10;k/=10)
		{
			divby = divby *10;
		}
		
		int divdivby = 1;
		for(j=x;j<=y;j++)
		{
			int[] ar = new int[20];
			int itr = 0;
			for(divdivby = divby ; divdivby != 1; divdivby/=10)
		  	
			{
			int m = j % divdivby;
			int n = j /divdivby;
			m  = m *(divby /divdivby)*10;
			m = m+n;
			for(int l=0;l<=itr;l++)
			{
				if(ar[l] == m)
				{	m=0;break;}
				
			}
			if(m!=0)
			{
				ar[itr] = m;
				itr++;
			}
			if(m > j && m <= y && m >= x)
				{
				ans++;
				//System.out.println(m +"-- "+j);
				}
			
			}
		}
		
		
		out.write("Case #"+ ++tcount+": "+ans+"\n");
		
		System.out.println(ans);
		testcases--;
	}

		  
         
         myfile.close();
		} catch (FileNotFoundException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} // Reading file using Scanner

		out.close();
		}catch (Exception e){//Catch exception if any
			  System.err.println("Error: " + e.getMessage());
			  }
		
		
	}

	
}
