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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.File;
import java.io.PrintWriter;
import java.util.HashMap;
import java.util.Scanner;

public class C
{
	public static void main(String[] args)
	{
		try 
		{
			Scanner reader = new Scanner(new File("c:\\codejam\\Csmall.txt"));
			PrintWriter writer = new PrintWriter(new File("c:\\codejam\\Csmallout"));
			int numCases = Integer.parseInt(reader.next());
			for(int caseNum=0;caseNum<numCases;caseNum++)
			{

				String begin = reader.next();
				String end = reader.next();
				int a = Integer.parseInt(begin);
				int b = Integer.parseInt(end);

				int numLen = begin.length();

				int total = 0;
				for(int current=a;current<=b;current++)
				{
					HashMap<Integer,Integer> candidates = new HashMap<Integer,Integer>();
					new C().getCandidates(current,numLen,candidates);
					for(Integer key : candidates.keySet()) {
						int value = candidates.get(key);
						if(current<value && value<=b)
							total++;
					}
				}
				writer.println("Case #" + (1+caseNum) +": "+total);
			}

			writer.close();

		}

		catch (Exception e) 
		{
			e.printStackTrace();
		}

	}

	public HashMap<Integer,Integer> getCandidates(int current, int length, HashMap<Integer, Integer> candidates) {
		String numStr = String.valueOf(current);
		Integer value;
		for(int loop=1;loop<length;loop++)
		{
			value = Integer.parseInt(numStr.substring(loop)+numStr.substring(0,loop));
			candidates.put(value,value);
		}
		return candidates;
	}
}
