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

package recycled;

import java.io.BufferedReader;
import java.io.DataInputStream;
import java.io.FileInputStream;
import java.io.FileWriter;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.util.TreeSet;

/**
 *
 * @author Alfred
 */
public class Main {

    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) {
    try {
            FileInputStream fstream = new FileInputStream("C-small-attempt0.in");
            DataInputStream in = new DataInputStream(fstream);
            BufferedReader br = new BufferedReader(new InputStreamReader(in));
            FileWriter outFile = new FileWriter("out.txt");
            PrintWriter out = new PrintWriter(outFile);
            String line;
            line = br.readLine();
            int cases = Integer.parseInt(line);
            for (int i=1; i<=cases;i++){
                line = br.readLine();
                String[] values = line.split(" ");
                int A = Integer.parseInt(values[0]);
                int B = Integer.parseInt(values[1]);
                int total=0;
                for (int n=A; n<=B;n++){
                    TreeSet<String> solutions = new TreeSet<String>();
                    for (int k=1;k<values[1].length();k++){
                        String m = circshift(n,k);
                        int mVal = Integer.parseInt(m);
                        if(mVal<=B && mVal!=n  && mVal> n && !m.startsWith("0") && m.length()==Integer.toString(n).length() )
                        {
                            solutions.add(m);
                        }                   
                    }
                    total+=solutions.size();
                }
                out.println("Case #"+i+": "+total);
            }
            in.close();
            out.close();
        } catch (Exception e) {//Catch exception if any
            System.err.println("Error: " + e.getMessage());
        }

}

    private static String circshift(int n, int k) {
        String nString=Integer.toString(n);
        int len=nString.length();
        String m =  nString.substring(len-k)+nString.subSequence(0, len-k);
        //System.out.println(n+" "+m);
        return m;
    }

}

import java.io.BufferedReader;
import java.io.DataInputStream;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.InputStreamReader;

public class Recycle {

	// Method to Solve the Problem
	public void Solve(int c ,String a , String b){
		int first = Integer.parseInt(a);
		int second = Integer.parseInt(b);
		String test="";
		String convert;
		int num;
		int result=0;
		int result2=0;
		//		if(String.valueOf(b).length()==1){
		//			System.out.println("Case #"+c+": 0");
		//		}
		System.out.print("Case #"+c+": ");

		for (int i = first; i <= second; i++) {

			test=String.valueOf(i);
			if(test.length()==2){
				convert = test.charAt(1)+""+test.charAt(0);
				num = Integer.parseInt(convert);
				if(num<=second && num>=i && num!= i)
					result++;
			}	
			if(test.length()==3){
				convert = test.charAt(2)+""+test.charAt(0)+""+test.charAt(1);
				num = Integer.parseInt(convert);
				if(num<=second && num>=i && num!= i)
					result2++;
				convert = test.charAt(1)+""+test.charAt(2)+""+test.charAt(0);
				num = Integer.parseInt(convert);
				if(num<=second && num>=i && num!= i)
					result2++;
			}
		}
		result= (result) + (result2);
		System.out.println(result);
		//System.out.println(result2);

	}

	// Method to read from the file
	public void readFile() throws FileNotFoundException{
		int  iter=0;
		String s;
		try{
			FileInputStream fstream = new FileInputStream("C-small-attempt0.in");
			DataInputStream in = new DataInputStream(fstream);
			BufferedReader br = new BufferedReader(new InputStreamReader(in));
			br.readLine();
			while ((s = br.readLine()) != null)   {
				String [] numbers = s.split(" ");
				Solve(++iter, numbers[0],numbers[1]);
			}
			in.close();
		}catch (Exception e){//Catch exception if any
			System.err.println("Error: " + e.getMessage());
		}
	}
	public static void main(String[] args) throws Exception {
		Recycle s = new Recycle();
		s.readFile();
	}
}
