/*
 * 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.BufferedInputStream;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.PrintStream;
import java.io.PrintWriter;
import java.util.HashMap;
import java.util.Scanner;

public class C {
	private Scanner in;
	
	private PrintWriter out;
	
	private final String file = "C";
	
	public C() throws IOException {
		try {
			System.setIn(new FileInputStream("io/q/" + file));
			System.setOut(new PrintStream(new FileOutputStream("io/q/" + file + ".out")));
		} catch (FileNotFoundException e) {
			System.err.println(e.getMessage());
		}
		
		in = new Scanner(new BufferedInputStream(System.in));
		
		out = new PrintWriter(System.out);
		
		// for case
		int T = in.nextInt(), t = 1;
		int A, B, l, sum, total, currentNumberChar, currentNumber;
		HashMap<Integer, Boolean> map;
		
		while (T-- > 0) {
			A = in.nextInt();
			B = in.nextInt();
			map = new HashMap<Integer, Boolean>(B - A + 1);
			total = 0;
			
			if (A > 9) {
				final int size = (A + "").length() - 1;
				final int exp = (int) Math.pow(10, size);
				
				for (int nextNumber = A; nextNumber <= B; nextNumber++) {
					// processed
					if (null != map.get(nextNumber)) continue;
					
					// process
					map.put(nextNumber, true);
					
					currentNumber = nextNumber;
					sum = 0;
					
					for (l = 0; l++ < size;) {
						currentNumberChar = currentNumber % 10;
						currentNumber = currentNumberChar*exp + (int)Math.floor(currentNumber/10);
												
						if ((currentNumber >= A) && (currentNumber <= B)) {
							if (null == map.get(currentNumber)) {
								map.put(currentNumber, true);
								sum++;
							}
						}
						
					}
					total += sum + sum*(sum-1)/2;
				}
			}			
			out.printf("Case #%d: %d%n", t++, total);
		}
		in.close();
		out.flush();
		out.close();
	}
	
	public static void main(String[] args) throws IOException {
		new C();
	}
}