/*
 * 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.*;
import java.util.*;

public class ProbC {
    public static void main(String[] args) throws FileNotFoundException, IOException {
        ProbC p = new ProbC();
        p.solveAll();
    }
    int tests = 0;
    Scanner in;
    BufferedWriter out;
    public ProbC() throws FileNotFoundException, IOException {
        out = new BufferedWriter(new FileWriter("c.out"));
        in = new Scanner(new File("c.in"));
        tests = in.nextInt();
        in.nextLine();
        //System.out.println(tests);
    }

    public void solveAll() throws IOException {
        //System.out.println(move(11, 1));
        ///*
        for(int i = 0; i < tests; i++) {
            solve(i+1);
        }
        out.close();
        in.close();//*/
    }
    public void solve(int casenr) throws IOException {
        int A, B, res = 0;
        A = in.nextInt();
        B = in.nextInt();
        int[] perm = new int[100];
        for(int i = A; i <= B; i++) {
            int d = digits(i);
            for(int j = 1; j < d; j++) {
                int m = move(i, j);
                boolean found = false;
                for(int k = 1; k < j; k++) {
                    if(perm[k] == m)
                        found = true;
                }
                perm[j] = m;
                if(!found && valid(A, B, i, m))
                    res++;
            }
        }
        out.write("Case #"+casenr+": ");
        out.write(new Integer(res).toString());
        out.write('\n');
    }
    public int digits(int nr) {
        int d = 0;
        while(nr > 0) {
            nr /= 10;
            d++;
        }
        return d;
    }

    public int move(int nr, int pos) {
        String nrs = new Integer(nr).toString();
        String rs = nrs.substring(nrs.length()-pos);
        rs = rs + nrs.substring(0, nrs.length()-pos);
        return new Integer(rs).intValue();
    }

    public boolean valid(int A, int B, int n, int m) throws IOException {
        /*if(A <= n && n < m && m <= B)
            out.write(n+" "+m+" "+'\n');//*/
        return A <= n && n < m && m <= B;
    }
}