/*
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 * 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.File;
import java.io.FileNotFoundException;
import java.io.PrintWriter;
import java.util.Scanner;


public class ProblemB {

	/**
	 * @param args
	 * @throws FileNotFoundException 
	 */
	public static void main(String[] args) throws FileNotFoundException {
		// TODO Auto-generated method stub
		Scanner scanner = new Scanner(new File("/Users/phan/Downloads/C-small-attempt0.in"));
		PrintWriter pw = new PrintWriter("/Users/phan/Downloads/output");
		int t = scanner.nextInt();
		
		for (int i = 1; i <= t; i++) {
			int A = scanner.nextInt();
			int B = scanner.nextInt();
			
			int cnt = 0;
			
			for (int n = A; n <= B; n++) {
				int[] digits = new int[7];
				int tmp = n;
				int cntdigit = 0;
				while (tmp > 0) {
					digits[cntdigit++] = tmp % 10;
					tmp = tmp / 10;
				}
				
				int[] mm = new int[cntdigit];
				int cnt2 = 0;
				for (int j = 1; j < cntdigit; j++) {
					int m = 0;
					for (int k = j - 1; k >= 0; k--) 
						m = m * 10 + digits[k];
					for (int k = cntdigit - 1; k >= j; k--) 
						m = m * 10 + digits[k];
					
					if ( (n < m) && (m <= B) ) {
						
						boolean b = true;
					
						for (int l = 0; l < cnt2; l++)
							if (mm[l] == m)
								b = false;
						
						if (b) {
							cnt++;
							mm[cnt2++] = m;
							//System.out.println(n + " " + m);
						}
					}
					
				}

			}
			
			pw.println("Case #" + String.valueOf(i) + ": " + String.valueOf(cnt));
		}
		
		scanner.close();
		pw.close();

	}

}
