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;
	}
}

import java.util.*;
import java.io.*;
class Recycled_Numbers
{
  public static void main(String arg [])
  {
    int check =-456;
       String m="";
    int counter =0;
    int calculate =0;
    String sub="";
    int mi =0;
     int ma=0;
    String path;
    String first,second;
    int numberOfLoops=0;
     Scanner read = new Scanner(System.in);
    System.out.println("pls enter your file");
    path = read.nextLine();
    
   
    BufferedWriter bw;
    try
    {
      File  fobj = new File(path);
      Scanner sc = new Scanner(fobj);
      bw =new BufferedWriter( new FileWriter("RecycleOutput.txt"));
      int tests = sc.nextInt()  ,meter = 1;
      while (meter <= tests)
      {  
     
        mi= sc.nextInt();
          ma =sc.nextInt();
     
    while(mi<=ma)
    {
         counter =0;  
        m = mi+"";
     
     
      while(counter <m.length()-1)
      {
        numberOfLoops=m.length()-1;
        second = m.substring(numberOfLoops -counter);
        first = m.substring(0,numberOfLoops-counter);
        sub = second+first;
     
        if ((Integer .parseInt(sub)>mi)&&(Integer .parseInt(sub)<=ma)&&(Integer .parseInt(sub)!=check) )
        {
            
          calculate++;
        check= Integer .parseInt(sub);
        }
        
        counter++;
      }
      
      
      mi++;
    } 
    bw.write("Case #"+meter+": " +calculate );
    bw.newLine();
    calculate =0;
    meter++;
    } 
    bw.close();
      }//end of try
    catch(IOException e)
    {
      System.out.println(e);
    }
   
    }    
}