/*
 * To change this template, choose Tools | Templates
 * 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;
        } 
    
}


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

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import javax.swing.JFileChooser;

/**
 *
 * @author pos
 */
public class RecycledNumbers {

    static Numbers[] TestCases;

    public static void main(String args[]) {
        readFile();
        for (int i = 0; i < TestCases.length; i++) {
            TestCases[i].Calculate();
        }
        WriteToFile();
    }

    private static void readFile() {
        try {
            JFileChooser FC = new JFileChooser();
            String Path = null;
            if (FC.showOpenDialog(null) == JFileChooser.APPROVE_OPTION) {
                Path = FC.getSelectedFile().getPath();

                StringBuffer Text = new StringBuffer();
                FileInputStream FIS = null;
                DataInputStream DIS;
                BufferedReader BR;

                FIS = new FileInputStream(Path);
                DIS = new DataInputStream(FIS);
                BR = new BufferedReader(new InputStreamReader(DIS));
                int TestCasesCount = Integer.valueOf(BR.readLine());

                TestCases = new Numbers[TestCasesCount];
                for (int i = 0; i < TestCasesCount; i++) {
                    String[] AB = BR.readLine().split(" ");
                    TestCases[i] = new Numbers(Integer.valueOf(AB[0]), Integer.valueOf(AB[1]));
                }
                FIS.close();
                DIS.close();
                BR.close();

            }
        } catch (IOException ex) {
            System.out.println(ex.getMessage());
        }
    }

    private static void WriteToFile() {
        FileOutputStream FOS = null;
        DataOutputStream DOS;
        BufferedWriter BW;
        try {
            FOS = new FileOutputStream(new File("Recycled"));
        } catch (FileNotFoundException ex) {
        }
        DOS = new DataOutputStream(FOS);
        BW = new BufferedWriter(new OutputStreamWriter(DOS));

        for (int i = 0; i < TestCases.length; i++) {
            String Line = "Case #" + (i + 1) + ": " + TestCases[i].Result+"\n";
            try {
                BW.write(Line);
            } catch (IOException ex) {
                System.err.println(ex.getMessage());
            }
        }
        try {
            BW.close();
        } catch (IOException ex) {
            System.err.println(ex.getMessage());
        }

    }
}
