/*
 * 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.IOException;
import java.io.PrintWriter;

public class RecycledNumbers {
	
	public static void main(String[] args) {
		RecycledNumbers bt = new RecycledNumbers();
		bt.solveProblem();
		
	}
	public void solveProblem() {
		String[] testCases = ReadFile.readFile("C:/Users/Pablo/Documents/codejam/RN.in");
		int i = 0;
		StringBuilder res = new StringBuilder();
		for (String testCase : testCases) {
			if(!res.toString().equals("")) {
				res.append("\n");
			}
			res.append(processTestCase(testCase, ++i));
		}
		System.out.print(res.toString());
		try {
			PrintWriter pw = new PrintWriter("C:/Users/Pablo/Documents/codejam/RN.out");
			pw.print(res.toString());
			pw.close();
		} catch (IOException e) {
			System.out.println("Error writing file!!");
		}
	}
	
	private String processTestCase(String testCase, int caseNum) {
		Long a = Long.valueOf(testCase.split(" ")[0]);
		Long b = Long.valueOf(testCase.split(" ")[1]);
		Long lim = Double.valueOf(Math.floor((a + b)/ 2d)).longValue() + 1L;
		
		int cantNumbers = 0;
		
		if(a.compareTo(10L) >= 0) {
			cantNumbers = verifNumbers(b, a, 0);
		} 
		
		return "Case #" + caseNum + ": " + cantNumbers;
	}
	
	private int verifNumbers(Long b, Long num, int cantNumbers) {

		if(num.compareTo(b) < 0) {
			String n = num.toString();
			n = n.replaceAll(String.valueOf(n.charAt(0)), "");

			if(!n.equals("")) {
				for(int i = 1; i <= num.toString().length(); i++) {
					String s = num.toString().substring(num.toString().length() - i, num.toString().length()) + 
					num.toString().substring(0, num.toString().length() - i);

					Long tmp = Long.valueOf(s);

					if(tmp.compareTo(b) <= 0 && tmp.compareTo(num) > 0) {
						cantNumbers ++;
					}
				}
			}

			cantNumbers = verifNumbers(b, num + 1L, cantNumbers);
		}
		return cantNumbers;
	}	
}
