/*
 * 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;
    }

}



///REMOVE ALL OUTPUT AND USE STRINGTOKENIZER!


/*
ID: mfranzs1
LANG: JAVA
TASK: RecycledNumbers
*/
import java.io.*;
import java.util.*;

public class RecycledNumbers {
	static BufferedReader f;
	public static void main (String [] args) throws IOException {
		long unixTime = System.currentTimeMillis();
		// Use BufferedReader rather than RandomAccessFile; it's much faster
		f = new BufferedReader(new FileReader("RecycledNumbers.in"));
	                                                  // input file name goes above
	    PrintWriter out = new PrintWriter(new BufferedWriter(new FileWriter("RecycledNumbers.out")));
	    // Use StringTokenizer vs. readLine/split -- lots faster
	    //StringTokenizer st = new StringTokenizer(f.readLine()," ");	    	
    	//int i = Integer.parseInt(st.nextToken());
	    
	    int cases=Integer.parseInt(f.readLine());
	    for(int c=0;c<cases;c++){
	    	StringTokenizer st = new StringTokenizer(f.readLine()," ");	
	    	int A = Integer.parseInt(st.nextToken());
	    	int B = Integer.parseInt(st.nextToken());
	    	//System.out.println(A+" "+B);
	    	int numRecycled=0;
	    	for(int n=A;n<B;n++){
	    		numRecycled+=rec(n,B);
	    	}
	    	System.out.println("Case #"+(c+1)+": "+numRecycled);
	    	out.println("Case #"+(c+1)+": "+numRecycled);
	    }
	    
	    
	    
	    out.close();                                  // close the output file
	    
	    System.out.println("Time elapsed (ms): "+(System.currentTimeMillis()-unixTime));
	    
	    System.exit(0);                               // don't omit this!
	  }
	public static int rec(int n,int max){
		ArrayList<String> workingPairs = new ArrayList<String>();
		String stringN=""+n;
		for(int swap=1;swap<stringN.length();swap++){
			String next=stringN.substring(swap)+stringN.substring(0,swap);
			int m=Integer.parseInt(next);
			if(n<m&&m<=max&&(m+"").charAt(0)!='0'){
				String add=n+" "+m;
				if(!workingPairs.contains(add)){
					workingPairs.add(add);
				}
				System.out.println(n+" "+m);
			}
			//System.out.println(next);
		}
		return workingPairs.size();
	}
}