/*
 * 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.BufferedReader;
import java.io.FileReader;
import java.io.FileWriter;
import java.util.StringTokenizer;

/**
 * @author MASTERMIND
 *
 */
public class Prog {

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		// TODO Auto-generated method stub

		FileReader fr;
		try 
		{
			fr = new FileReader("C-small-attempt0.in");
			FileWriter f1 = new FileWriter("C-small.out");
			
			BufferedReader br = new BufferedReader(fr);
			
			int i=1;
			String s;
			StringBuffer strbuf = new StringBuffer();
			
			br.readLine();
			while((s = br.readLine())!=null)
			{
				
				int count = 0; 
				strbuf.delete(0, strbuf.length());
				StringTokenizer st = new StringTokenizer(s," ");
				int no1 = Integer.parseInt(st.nextToken());
				System.out.print(no1+"\t");
				int no2 = Integer.parseInt(st.nextToken());
				System.out.println(no2);
				int current = no1;
				while(current < no2)
				{
					String s1 = String.valueOf(current);
																		
					for(int next=current+1 ; next<=no2 ; next++)
					{
						//System.out.println(current+"   "+next);
						String s2 = String.valueOf(next);
						for(int j=1;j<s2.length();j++)
						{
							String p1 = s2.substring(s2.length()-j, s2.length());
							String p2 = s2.substring(0, s2.length()-j);
							String cat = p1+p2;
							//System.out.println(p1+"   "+p2+"   "+cat+"   "+s1);
							if(cat.equals(s1))
								count++;
						}
					}
					
				current++;
				}
				
				strbuf.insert(0, "Case #"+i+": "+count+"\n");
				i++;
			
				char[] buffer = new char[strbuf.length()];
				s = strbuf.toString();
				System.out.println(s);
				s.getChars(0, s.length(), buffer, 0);
				
				f1.write(buffer);
			}
			f1.close();
			fr.close();
			
		} catch (Exception e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
	}

}
