/*
 * 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.FileReader;
import java.util.LinkedList;
import java.util.StringTokenizer;

public class RecycledNumbers {
//	private static String INPUT_FILE = "input.txt";
	private static String INPUT_FILE = "C-small-attempt0.in";
	
	
	private static final String DELIM = " ";
	
	public void solve() {
		try {
			BufferedReader in = new BufferedReader(new FileReader(INPUT_FILE));
			
			int T = Integer.valueOf(in.readLine());
			
			String line;
			for(int i = 0; i < T; i++) {
				line = in.readLine();
				
				StringTokenizer st = new StringTokenizer(line, DELIM);
				
				int A = Integer.valueOf(st.nextToken());
				int B = Integer.valueOf(st.nextToken());
				
				process(i + 1, A, B);
			}
		}
		catch(Exception e) {}
	}
	
	protected void process(int idx, int A, int B) {
		int cnt = 0;
		
		String digit;
		int len;
		StringBuffer sb;
		String r;
		int d;
		LinkedList<String> list = new LinkedList<String>();
		String pair;
		
		for(int i = A; i <= B; i++) {
			digit = Integer.toString(i);
			len = digit.length();
			
			if(len > 1 && !digit.endsWith("0")) {
				for(int j = 1; j <= len - 1; j++) {
					sb = new StringBuffer();
					sb.append(digit.substring(len - j, len));
					sb.append(digit.substring(0, len - j));
					
					r = sb.toString();
					
					if(r.charAt(0) != '0' && !r.equals(digit)) {
						d = Integer.valueOf(r);
						
						if(d >= A && d <= B) {
							if(i < d)
								pair = i + "|" + d;
							else
								pair = d + "|" + i;
							
							if(!list.contains(pair)) {
								list.add(pair);
								cnt++;
							}
						}
					}
				}
			}
		}
		
		System.out.println("Case #" + idx + ": " + cnt);
	}
	
	public static void main(String[] args) {
		RecycledNumbers r = new RecycledNumbers();
		r.solve();
	}

}
