/*
 * 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;
        } 
    
}


import java.io.*;
import java.util.StringTokenizer;

/**
 * User: Grant
 * Date: 14/04/12
 * Time: 23:29
 */
public class ProblemC {
    public static void main(String[] args) throws IOException {
        // Prepare output file
        File outputFile = new File("E:\\Programming\\Java\\CodeJam\\resources\\problemCOutput.txt");
        if (outputFile.exists()) {
            outputFile.delete();
        }

        FileWriter fileWriter = new FileWriter(outputFile);
        BufferedWriter bufferedWriter = new BufferedWriter(fileWriter);

        // Read input file
        File inputFile = new File("E:\\Programming\\Java\\CodeJam\\resources\\TestInput.txt");
        FileReader fileReader = new FileReader(inputFile);
        BufferedReader bufferedReader = new BufferedReader(fileReader);

        Integer testCases = Integer.parseInt(bufferedReader.readLine().trim());
        for (int i = 0; i < testCases; i++) {
            System.out.println(" ");
            StringTokenizer st = new StringTokenizer(bufferedReader.readLine().trim(), " ");
            int lower = Integer.parseInt(st.nextToken().trim());
            int upper = Integer.parseInt(st.nextToken().trim());

            int count = 0;
            for (int left = lower; left < upper; left++) {
                for (int right = (left + 1); right <= upper; right++) {
                    String leftStr = left + "";
                    String rightStr = right + "";
                        int start = -1;
                        while((start = leftStr.indexOf(rightStr.charAt(0), start+1)) != -1) {
                            if (rightStr.equals(leftStr.substring(start, leftStr.length()) + leftStr.substring(0, start))) {
                                count++;
                                break;
                            }
                        }
                }
            }


            StringBuilder outputLine = new StringBuilder("Case #");
            outputLine.append(i+1).append(": ").append(count).append("\n");
            bufferedWriter.write(outputLine.toString());
        }

        bufferedReader.close();
        fileReader.close();

        // Write output file
        bufferedWriter.flush();
        fileWriter.flush();
        bufferedWriter.close();
        fileWriter.close();
    }
}
