import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.util.HashSet;
import java.util.Set;


public class GoogleC {
	public String szamol(String input){
		String result="";
		String a=input;
		Integer min=Integer.parseInt(a.substring(0,a.indexOf(' ')));
		a=a.substring(a.indexOf(' ')+1);
		Integer max=Integer.parseInt(a);
		Long count=0l;
		for(Integer i=min; i<=max; i++){
			String e1=i.toString();
			Set<Integer> db=new HashSet<Integer>(); 
			for (int j=1; j<e1.length();j++){
				
				String e2=e1.substring(j)+e1.substring(0,j);
				Integer k=Integer.parseInt(e2);
				if (k>i && k<=max){
					db.add(k);
					//System.out.println(e1+"\t"+e2);
				}
				
			}
			count+=db.size();
		}
		
		return count.toString();
	}
	public static void main(String[] args) {
		GoogleC a=new GoogleC();
		//String filename="input.txt";
		//String filename="C-small-attempt0.in";
		String filename="C-large.in";
		String thisLine;
		try {
			BufferedReader br = new BufferedReader(new FileReader(filename));
			BufferedWriter bw= new BufferedWriter(new FileWriter(filename+".out"));
			thisLine=br.readLine();
			Integer tnum=Integer.parseInt(thisLine);
		     for(int i=0;i<tnum;i++) { // while loop begins here
		    	 	thisLine=br.readLine();
		           System.out.println(thisLine);
		           System.out.println("Case #"+(i+1)+": "+a.szamol(thisLine)+"\n");
		           bw.write("Case #"+(i+1)+": "+a.szamol(thisLine)+"\n");
		         } // end while 
		        // end try
		     br.close();
		     bw.close();
		} catch (FileNotFoundException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}


	}

}

/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package googlecodejam2012_qualification;
import java.io.*;
import java.util.*;
/** 
 * @author neil
 */
public class NewMain2 {

    /**
     * @param args the command line arguments
     */
    public static void main(String[] args)  throws IOException
    {         
        //BufferedReader in = new BufferedReader(new InputStreamReader(System.in));   
        BufferedReader in = new BufferedReader(new FileReader("C:\\Documents and Settings\\neil\\Desktop\\C-large.in"));        
        BufferedWriter out = new BufferedWriter(new FileWriter("C:\\Documents and Settings\\neil\\Desktop\\C-large-output.txt"));
        PrintStream ps = new PrintStream(System.out,true);
        StringTokenizer st;//st = new StringTokenizer(in.readLine()," ");
        int t = Integer.parseInt(in.readLine());
        int count=0,count1=0;
        while(count++<t)
        {
            count1=0;
            st = new StringTokenizer(in.readLine()," ");
            int A = Integer.parseInt(st.nextToken());
            int B = Integer.parseInt(st.nextToken());
            //boolean n[] = new boolean[B+1];
            for(int i=A;i<=B;i++)
            {
                String N = Integer.toString(i);
                 ArrayList<String> hey = new ArrayList<String>();
                for(int j=1;j<N.length();j++)
                {
                   
                    N = N.substring(N.length()-1)+N.substring(0,N.length()-1);
                    if(!N.startsWith("0")&&(Integer.parseInt(N)>=A&&Integer.parseInt(N)<i)&&!hey.contains(N))
                    {
                        hey.add(N);
                        //System.out.println(N+" : "+i);
                        count1++;                                                
                    }                    
                }                            
            }                                                        
            
            ps.println("Case #"+count+": "+count1);
            out.write("Case #"+count+": "+count1+"\n");
            out.flush();
        }   
       
       
    }
}
