/*
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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.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

/**
 * @author Hossam Yasseen
 */
public class ProblemC {

	/**
	 * @param args
	 */
	static Integer startEdge , endEdge ;
	
	public static void main(String[] args) {
		
		int numberOfRecycledNumbers = 0;

		String[] result = null ;
		for (int counter0 = 1; counter0 < args.length; counter0++) {
			result = args[counter0].split("\\s");
			startEdge = Integer.parseInt(result[0]);
			endEdge = Integer.parseInt(result[1]);
			numberOfRecycledNumbers=0 ;
			
			for (int counterA = startEdge; counterA < endEdge; counterA++) {
				List<Integer> recycledNumber = recycledNumbers(counterA);
				for (int counter = 0; counter < recycledNumber.size(); counter++) {
					if (recycledNumber.get(counter) <= endEdge )
						numberOfRecycledNumbers++;
				}
			}
			System.out.println("Case #" + counter0 + ": "
					+ numberOfRecycledNumbers);
		}
	}

	private static List<Integer> recycledNumbers(Integer number) {

		Map<Integer,String> map = new HashMap<Integer, String>();
		String dummyValue = null ;
		String candidateNumber = "";

		char[] characters = number.toString().toCharArray();

		int index;
		for (int counter = 0; counter < characters.length; counter++) {
			index = counter ;
			int loops = 0 ;
			candidateNumber="";
			
			for ( ; loops < characters.length; index++) {
				candidateNumber += characters[index % characters.length];
				loops++ ;
			}
			
			if(Integer.parseInt(candidateNumber)>number.intValue())
				map.put(Integer.parseInt(candidateNumber),dummyValue);
			
		}
		
		List<Integer> recycledNumber =  new ArrayList<Integer>( map.keySet());
		return recycledNumber;
	}
}
