import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;

public class Recycled {
	public static void main(String[] args) throws Exception{
		String inputFile = "C-small-attempt0.in";
		
		BufferedReader input = new BufferedReader(new InputStreamReader(new FileInputStream(inputFile)));
		BufferedWriter output = new BufferedWriter(new OutputStreamWriter(new FileOutputStream("output")));
		long num_cases = Long.parseLong(input.readLine());
		int current_case = 0;
		
		while (current_case < num_cases){
			current_case++;
			
			String[] fields = input.readLine().split(" ");
			int A = Integer.parseInt(fields[0]);
			int B = Integer.parseInt(fields[1]);
			int total = 0;
			
			for (int n = A; n < B; n++){
				for (int m = n+1; m <= B; m++){
					if (isRecycled(n,m)) total++;
				}
			}
			
			System.out.println("Case #" + current_case + ": " + total);
			output.write("Case #" + current_case + ": " + total + "\n");
		}
		output.close();
	}

	private static boolean isRecycled(int n, int m) {
		String sn = ""+n;
		String sm = ""+m;
		if (sn.length() != sm.length()) return false;
		int totaln = 0, totalm = 0;
		for (int i = 0; i < sn.length(); i++){
			totaln += sn.charAt(i);
			totalm += sm.charAt(i);
		}
		if (totaln != totalm) return false;
		for (int i = 0; i < sn.length()-1; i++){
			sm = sm.charAt(sm.length() - 1) + sm.substring(0, sm.length() - 1);
			if (sm.equals(sn)) return true;
		}
		return false;
	}
}

/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package t2;

/**
 *
 * @author KAMIKATAZ
 */

    
    
    


//~--- JDK imports ------------------------------------------------------------


import intjungle.*;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.DataInputStream;
import java.io.FileInputStream;
import java.io.FileWriter;
import java.io.InputStreamReader;

import java.util.HashMap;
import java.util.Map;
import java.util.StringTokenizer;

/**
 *
 * @author KAMIKATAZ
 */
public class IntJungle {

    /**
     *  @param args the command line arguments
     */
    public static void main(String[] args) {
        
        int ans=0;
       
        
        try {
            FileInputStream fstream =
                new FileInputStream("C:\\Users\\KAMIKATAZ\\Desktop\\codejam\\p3\\input.in");
            DataInputStream in = new DataInputStream(fstream);
            BufferedReader  br = new BufferedReader(new InputStreamReader(in));
            String          strLine;
            BufferedWriter  out1 = new BufferedWriter(
                                      new FileWriter(
                                          "C:\\Users\\KAMIKATAZ\\Desktop\\codejam\\p3\\out-p3.ou",
                                          true));
            String times=br.readLine();
            int T = Integer.valueOf(times);
            ToInteger converter=new ToInteger();
            int currentCase=0;
 /////////////////////////////////////////////////////////////////////////////           
            while ((strLine = br.readLine()) != null) {
/////////////////////////////////////////////////////////////////////////////                
                
                ++currentCase;
                out1.write("Case #" + String.valueOf(currentCase) + ": ");
                
                ans=0;
               Map<String, String> map = new HashMap<String, String>();
            StringTokenizer st=new StringTokenizer(strLine," ");    
               
                String a=st.nextToken();
                String b=st.nextToken();
                
                a=a.trim();
                b=b.trim();
                
                int A=Integer.valueOf(a);
                int B=Integer.valueOf(b);
               // //System.out.println("A read is : "+ A + "B read is  : "+ B);
                
                /////////////////////   LOGIC STARTS HERE //////////
                
                int nLen=0;
                //System.out.println("starting processing set : A : "+A+" B : "+ B);
                
                for (int n=A;n<B;++n){
                    
                String nStr=String.valueOf(n);
                nLen=nStr.length();
                
                String tmp=nStr;
                
                for(int i=1;i<nLen;++i){
                        
                       
                        tmp=nStr.substring(i)+nStr.substring(0, i);
                      ////System.out.println(tmp);
                        
                        if(tmp.charAt(0)!='0'){
                            
                            int r1=Integer.valueOf(tmp);
                            
                            if(r1>n  &&  r1<=B){
                                
                                if(r1!=n){
                                    //System.out.println("creating from : "+nStr+" : "+r1);
                                    
                      ++ans;         
                      
                   //  //System.out.println( map.put(String.valueOf(n), String.valueOf(r1)));
                     
                      String opop = "gigger";
                              opop=map.put(String.valueOf(n), String.valueOf(r1));
                      String op=null;
                      try{
                      if (opop.length()>0)op=opop;
                            if(op.equals(String.valueOf(r1)) ){
                                //System.out.println("\n8888888888888\n888888888888888\n\n");
                                --ans;
                            }
                      }catch(Exception e){
                          //System.out.println(e);
                      }
                                }
                                
                            }
                            
                        }
                    
                    } 
                
                }
         ///////////////////////  LOGIC ENDS HERE ////////////
             
         
         //System.out.println("ans is : "+ans + " map " +map.size() );
               
         out1.write(String.valueOf(ans));
         out1.newLine();
            }
         
            // Close the input stream
            in.close();
            out1.close();
            
            
            
            
        } catch (Exception e) {    // Catch exception if any
            //System.out.println("Error: " + e.getMessage() + "   " + e);
        }
        
         //System.out.println("*******************************\n\n");
                
         
         
    }
}


//~ Formatted by Jindent --- http://www.jindent.com
