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 * and open the template in the editor.
 */
package gcj;

import java.io.File;
import java.io.FileWriter;
import java.util.ArrayList;
import java.util.Scanner;

/**
 *
 * @author daniele
 */
public class GCJ_C {
    
    public static void main(String[] args) throws Exception{
        
        
        
        Scanner in = new Scanner(new File(args[0]));
        FileWriter out = new FileWriter("/home/daniele/Scrivania/Output");
        

        int prove=in.nextInt();
        int min,max;
        int cifre;
        int cifreaus;
        String temp;
        int aus;
        int count=0;
        ArrayList<Integer> vals = new ArrayList<Integer>();
        int jcount=0;
        ArrayList<Integer> perm = new ArrayList<Integer>();
        
        out.write("");
        out.flush();
        
        for(int i=1;i<=prove;i++){
            
            out.append("Case #" +i+": ");out.flush();
            
            min=in.nextInt();
            max=in.nextInt();
            
            for(int j=min;j<=max;j++){
               if(!vals.contains(j)){
                    temp=""+j;
                    cifre=temp.length();
                    aus=j;
                    perm.add(j);
                    for(int k=1;k<cifre;k++){
                        aus=rotateOnce(aus);
                        temp=""+aus;
                        cifreaus=temp.length();//elusione zeri iniziali
                        if(aus>=min && aus<=max && aus!=j && cifreaus==cifre && nobody(vals,perm)){ 
                            perm.add(aus);
                            jcount ++;
                            
                        }
                        
                    }
                    while(jcount>0){count+=jcount; jcount--;}
                    vals.addAll(perm);
                    perm= new ArrayList<Integer>();
                    
                }
            }
            out.append(count+"\n");out.flush();
            count=0;
            vals= new ArrayList<Integer>();
        }
        
        
        
    }
        static public int rotateOnce(int n){
            String s=""+n;
            if(s.length()>1){
                s=s.charAt(s.length()-1) + s.substring(0,s.length()-1);
                n=Integer.parseInt(s);
            }
            return n;
        }    
        
        static public boolean nobody(ArrayList<Integer> v,ArrayList<Integer> a){;
            for(int i=0;i<a.size();i++)
                if(v.contains(a.get(i))) return false;
            return true;
        } 
    
}


import java.io.BufferedReader;
import java.io.File;
import java.io.FileOutputStream;
import java.io.FileReader;
import java.io.PrintWriter;
import java.util.ArrayList;

public class RecycledNumbers2 {

	public static int analizar(String first, String second ){
		ArrayList<String> dupList=new ArrayList<String>();
		int contador=0;
		int primero=Integer.parseInt(first);
		int segundo=Integer.parseInt(second);
		for(int i=primero;i<=segundo;i++){
			for(int j=i+1;j<=segundo;j++){
				for(int k=1;k<first.length();k++){
					String uno=""+i;
					String dos=""+j;
					String fm=convertir(k, uno);
					if(fm.equals(dos)&&!dupList.contains(uno+"-"+dos))
					{
						if(uno.startsWith("0")||dos.startsWith("0")){						
							System.out.println(uno+"-"+dos);
						}
						contador++;
						dupList.add(uno+"-"+dos);
					}
				}
			}
		}
		return contador;
	}

	public static String convertir(int k, String primero){
		String acumulador="";
		for(int i=0;i<k;i++)	
		{
			acumulador=primero.charAt(primero.length()-1)+acumulador;
			primero=primero.substring(0, primero.length()-1);
		}
		primero=acumulador.concat(primero);

		return primero;
	}

	public static void main(String[] args) {
		try {
			FileOutputStream fos=new FileOutputStream(new File("data/outC.txt"));
			BufferedReader br=new BufferedReader(new FileReader("data/C-small-attempt0.in"));
			PrintWriter pw=new PrintWriter(fos);

			String a=br.readLine();
			System.out.println("Ignore"+a);
			int contador=0;
			while((a=br.readLine())!=null)
			{
				contador++;
				System.out.println("Case #"+contador+": "+a);
				String first=a.split(" ")[0];
				String second=a.split(" ")[1];
				int temp=analizar(first, second);
				System.out.println(temp);
				pw.println("Case #"+contador+": "+temp );
			}
			pw.close();
		} catch (Exception e){}	}
}