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;
	}
}

package com.googlejam;


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

/**
 *
 * @author Faraz Ahmed Abbasi
 */
public class recycledNumebers {
    static String strLine = null;
    static int result = 0;
    static int start = 0;
    static int end = 0;
    
    private static boolean is_recycle_number(int d, int d1)
        {
            int len =   Integer.toString(d).length() - 1;
            //bool b = false;
            for (int i = String.valueOf(d).length() - 1; i >= 0; i--)
            {
                int r = d%10;
                d /= 10;
                d = (int) (r*( Math.pow(10,len)) + d);
                if (d == d1)
                {
                    return true;
                }
            }
            return false;

        }
      
  
 public static void main(String[] args) {
  
     try {
        
         FileInputStream fstream = new FileInputStream("input.in");
         DataInputStream in = new DataInputStream(fstream);
         BufferedReader br = new BufferedReader(new InputStreamReader(in));
         FileWriter ifstream = new FileWriter("output.txt");
         BufferedWriter out = new BufferedWriter(ifstream);

         int resultCounter = 1;
         int skip_value=0;       
                 
         while ((strLine = br.readLine()) != null) {
             if (skip_value < 1) {
                 skip_value ++;
                 continue;
             }
              result=0;           
             String[] record = new String[2];
             record=strLine.split(" ");
             start=  Integer.parseInt( record[0]);
             end=  Integer.parseInt( record[1]);
             
            // int count = 0;

                    for (int  i = start; i < end; i++)
                    {
                        for (int j = i+1; j <= end; j++)
                        {
                            if (is_recycle_number(i, j)) result++;
                        }
                    }  
             
             String output = "Case #" + resultCounter + ": " + result+"\n" ;
             System.out.println("Case #" + resultCounter + ": " + result);
             try {
                
                 out.write(output);
                

             } catch (Exception e) {
                 System.err.println("Error: " + e.getMessage());
             }
             
             resultCounter++;
         }
         
         in.close();
         out.close();
     } catch (Exception e) {// Catch exception if any
         System.err.println("Error: " + e.getMessage());
     }
     }
    
    
}