/*
 * 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.BufferedWriter;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.HashMap;

public class Main {

	public static void main(String[] args) {
		try {
			BufferedReader br = new BufferedReader(new FileReader("C-small-attempt0.in"));
			PrintWriter bw = new PrintWriter(new FileWriter("C-small-attempt0.out"));
			int num = Integer.parseInt(br.readLine());
			
			for (int i = 0; i < num; i++) {
				String[] content=br.readLine().split("[ ]");
				int start=Integer.parseInt(content[0]);
				int end=Integer.parseInt(content[1]);
				int count=0;
				for (int j = start; j <end; j++) {
					int j_num=0;
					int temp=j;
					while(temp!=0)
					{
						temp/=10;
						j_num++;
					}
					int j2_end=end;
					int j_end=(int)Math.pow(10, j_num)-1;
					if(j_end<end)
						j2_end=j_end;
					String srcString=String.valueOf(j);
					//System.out.println("j"+srcString+","+j2_end);
//					char src[srcString.length()];
//					int length=srcString.length();
//					for (int k = 0; k < length; k++) {
//						src[i]=srcString.charAt(i);
//					}
					for (int j2 = j+1; j2 <=j2_end; j2++) {
						String desString=j2+"";
						int lengths=desString.length();
						char[] des = new char[lengths*2];
						for (int k = 0; k < lengths; k++) {
							des[k]=desString.charAt(k);
						}
						for (int l = 0; l < lengths; l++) {
							des[lengths+l]=des[l];
							String reString=new String(des, l+1, lengths);
							//System.out.println(reString+"l");
							if (reString.equals(srcString)) {
								count++;
								break;
							}
						}
					}
				}
				bw.println("Case #"+(i+1)+": "+count );
			}
			
			br.close();
			bw.close();
			
		} catch (IOException e) {
			e.printStackTrace();
		}
	}

}
