import java.io.File;
import java.io.FileNotFoundException;
import java.io.PrintWriter;
import java.util.Arrays;
import java.util.HashMap;
import java.util.Map;
import java.util.Scanner;
import java.util.Set;

public class CopyOfCopyOfMain {

	static int ndigits(int n) {
		return (int) (Math.log10(n) + 1);
	}

	static int rot(int n, int dig) {
		return (int) ((n % 10) * Math.pow(10, dig - 1)) + (int) (n / 10);
	}

	public static void main(String[] args) throws FileNotFoundException {
		String file = "C-large";
		Scanner in = new Scanner(new File(file + ".in"));
		PrintWriter out = new PrintWriter(new File(file + ".out"));

		int T = in.nextInt();
		for (int t = 1; t <= T; t++) {
			int A = in.nextInt();
			int B = in.nextInt();

			int c = 0;
			int[] list = new int[ndigits(B)];
			numbers: for (int i = A; i <= B; i++) {
				int digs = ndigits(i);
				int rot = i;
				int pairs = 0;

				Arrays.fill(list, -1);
				list[0] = i;

				digits: for (int j = 1; j <= digs + 1; j++) {

					rot = rot(rot, digs);
					if(rot < i)
						continue;

					if (A <= rot && rot <= B) {
						for (int k = 0; k < j; k++) {
							if (list[k] == rot) {
								continue digits;
							}
						}
						pairs++;
						list[j] = rot;
					}
				}

				//c += pairs * (pairs + 1) / 2;
				c += pairs ;
				// c+=digs;
			}
			out.println("Case #" + t + ": " + c);
		}

		in.close();
		out.close();
	}
}

package codejam.world2012.qualification.c;

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.util.HashSet;
import java.util.Set;


public class C {
    
    /**
     * @param args
     */
    public static void main(String[] args) throws IOException {
        BufferedReader in = new BufferedReader(new FileReader("src/codejam/world2012/qualification/c/large.in"));
        BufferedWriter out = new BufferedWriter(new FileWriter("src/codejam/world2012/qualification/c/large.out"));

        int T = 0;
        T = Integer.parseInt(in.readLine());
        
        for (int t = 0; t < T; t++) {
            String[] line = in.readLine().split(" ");
            
            Long answer = 0L;
            
            Long A = Long.parseLong(line[0]);
            Long B = Long.parseLong(line[1]);
            
            Set<String> history = new HashSet<String>();
            
            for (Long n = A; n < B; n++) {
                
                String current = n.toString();
                
                for (int i = current.length() -1; i> 0; i--) {
                    StringBuilder recycled = new StringBuilder();  
                    recycled.append(current.substring(i));
                    recycled.append(current.substring(0, i));
                    Long m = Long.parseLong(recycled.toString());
                    
                    if ((m > n) && (B>= m)) {
                        if (!history.contains(current +":" + recycled) && !history.contains(recycled +":" + current)) {
                            answer++;
                            history.add(current +":" + recycled);
                        }
                    }
                }
            }
            
            out.write("Case #"+String.valueOf(t+1) +": "+answer.toString());
            if (t < T-1) out.write(System.getProperty("line.separator"));
            
        }
        out.close();
    }
    
}
