/*
 * 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.IOException;
import java.io.InputStreamReader;
import java.util.ArrayList;

/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
/**
 *
 * @author UDDAMA
 */
public class recyclePair {

    private ArrayList<String> numholder = new ArrayList<String>();

    public void numrecylce(String chars) {
        for (int i = 0; i < chars.length() - 1; i++) {
            this.numholder.add(chars.substring(i + 1) + chars.substring(0, i + 1));
        }
    }

    public void cleanArray() {

        for (int i = 0; i < numholder.size(); i++) {
            String temp = numholder.get(i);
            for (int j = i + 1; j < numholder.size(); j++) {
                if (temp.equalsIgnoreCase(numholder.get(j))) {
                    numholder.remove(j);
                }
            }
        }
    }

    public int recycleCount(String A, String B) {

        int count = 0;
        for (int i = Integer.parseInt(A); i < Integer.parseInt(B); i++) {
            this.numholder.clear();
            this.numrecylce(String.valueOf(i));
            this.cleanArray();

            for (int j = 0; j < numholder.size(); j++) {

                if (Integer.parseInt(numholder.get(j)) > i && Integer.parseInt(numholder.get(j)) <= Integer.parseInt(B)) {
                    count++;
                }
            }
        }
        return count;
    }

    public static void main(String[] args) throws IOException {

        BufferedReader is = new BufferedReader(new InputStreamReader(System.in));
        String inputLine = is.readLine();
        recyclePair rp = new recyclePair();

        int cases = Integer.parseInt(inputLine);

        for (int i = 0; i < cases; i++) {

            inputLine = is.readLine();
            String[] AB = inputLine.split(" ");

            System.out.println("Case #" + (i + 1) + ": " + rp.recycleCount(AB[0], AB[1]));


        }
    }
}