package fixjava;

public class StringUtils {

	/** Repeat the given string the requested number of times. */
	public static String repeat(String str, int numTimes) {
		StringBuilder buf = new StringBuilder(Math.max(0, str.length() * numTimes));
		for (int i = 0; i < numTimes; i++)
			buf.append(str);
		return buf.toString();
	}

	/**
	 * Pad the left hand side of a field with the given character. Always adds at least one pad character. If the length of str is
	 * greater than numPlaces-1, then the output string will be longer than numPlaces.
	 */
	public static String padLeft(String str, char padChar, int numPlaces) {
		int bufSize = Math.max(numPlaces, str.length() + 1);
		StringBuilder buf = new StringBuilder(Math.max(numPlaces, str.length() + 1));
		buf.append(padChar);
		for (int i = 1, mi = bufSize - str.length(); i < mi; i++)
			buf.append(padChar);
		buf.append(str);
		return buf.toString();
	}

	/**
	 * Pad the right hand side of a field with the given character. Always adds at least one pad character. If the length of str is
	 * greater than numPlaces-1, then the output string will be longer than numPlaces.
	 */
	public static String padRight(String str, char padChar, int numPlaces) {
		int bufSize = Math.max(numPlaces, str.length() + 1);
		StringBuilder buf = new StringBuilder(Math.max(numPlaces, str.length() + 1));
		buf.append(str);
		buf.append(padChar);
		while (buf.length() < bufSize)
			buf.append(padChar);
		return buf.toString();
	}

	/** Intern all strings in an array, skipping null elements. */
	public static String[] intern(String[] arr) {
		for (int i = 0; i < arr.length; i++)
			arr[i] = arr[i].intern();
		return arr;
	}

	/** Intern a string, ignoring null */
	public static String intern(String str) {
		return str == null ? null : str.intern();
	}

}

import java.io.*;
import java.util.*;
import java.lang.Math.*;
public class gcj3
{
     public static void main(String args[])throws Exception
     {
         //Scanner in=new Scanner(System.in);
         //BufferedReader br=new BufferedReader(new InputStreamReader(System.in));
         //BufferedReader br = new BufferedReader(new FileReader("gcj3.in"));
         //PrintWriter pw = new PrintWriter(new BufferedWriter(new FileWriter("gcj3.out")));
         //PrintWriter pw = new PrintWriter(System.out);
         StringTokenizer st;
         BufferedReader br = new BufferedReader(new FileReader("C:\\Users\\rahul\\Desktop\\gcj3.in"));
         PrintWriter pw = new PrintWriter(new BufferedWriter(new FileWriter("C:\\Users\\rahul\\Desktop\\gcj3.out")));
         int t=Integer.parseInt(br.readLine());
         int ctr=0;
         while(t>0)
         {
             int total=0;
             t--;ctr++;
             st=new StringTokenizer(br.readLine());
             int A=Integer.parseInt(st.nextToken());
             int B=Integer.parseInt(st.nextToken());
             int i,j,k,l;
             int ctr1=0,ctr2=0;
             for(i=A;i<=B;i++)
             {
                 String s=Integer.toString(i);
                 l=s.length();
                 String s1=s;
                 int a[]=new int[l+1];
                 a[0]=-1;
                 for(j=0;j<l;j++)
                 {
                     s1=s1.substring(l-1)+s1.substring(0,l-1);
                     int val=Integer.parseInt(s1);
                     a[j+1]=val;
                 }
                 Arrays.sort(a);
                 for(j=1;j<=l;j++)
                 if(a[j]<=B && a[j]>i && a[j]!=a[j-1])
                     {
                         ctr1++;
                     }
                }
             pw.println("Case #"+ctr+": "+ctr1);   
            }
            pw.flush();
            pw.close();
     }
     
}