/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package recyclednumbers;

import java.util.HashSet;

/**
 *
 * @author vandit
 */
public class RecycleNumbers {

    private HashSet<String> numbers = new HashSet<String>();
    private HashSet<String> initialTempNumbers = new HashSet<String>();
    private HashSet<String> finalTempNumbers = new HashSet<String>();

    HashSet<Pair> numberPairs = new HashSet<Pair>();


    private void findRecycledNumbers(int start, int end, int places) {


        for (int i = start; i <= end; i++) {
            String initialNumber = Integer.toString(i);
            //if (!(numbers.contains(initialNumber) || finalTempNumbers.contains(initialNumber))) {

                StringBuffer tempNumber = new StringBuffer(initialNumber);
                int len = tempNumber.length();
                int startIndexToMove = len - places;
                String tempString = tempNumber.substring(startIndexToMove);
                if ((places == 1 && tempString.equals("0")) || tempString.charAt(0) == '0') {
                    continue;
                }
                tempNumber.delete(startIndexToMove, len);
                String finalTempNumber = tempString + tempNumber.toString();

                if (! (finalTempNumber.equals(initialNumber) || Integer.parseInt(finalTempNumber) > end || Integer.parseInt(finalTempNumber) < Integer.parseInt(initialNumber))) {
                    numbers.add(initialNumber);
                    finalTempNumbers.add(finalTempNumber);
                    Pair pair = new Pair(finalTempNumber,initialNumber);
                    numberPairs.add(pair);
                }
            }

        

    }

    public HashSet<Pair> findAllRecycledNumbers(int start, int end) {
        int length = Integer.toString(start).length();
        for (int i = 1; i < length; i++) {
            findRecycledNumbers(start, end, i);
        }
        return numberPairs;
    }
}

import java.io.*;
class yo
{
public static void main(String args[])
throws IOException
{
try
{
FileWriter fs=new FileWriter("o1.out");
FileInputStream f1=new FileInputStream("C-small-attempt3 (1).in");
DataInputStream d=new DataInputStream(f1);
BufferedReader br=new BufferedReader(new InputStreamReader(d));
BufferedWriter out=new BufferedWriter(fs);
String s,s1;
s=br.readLine();
int T=Integer.parseInt(s);
int cnt=0,nn,f,ll,ul,p;
String w1;
char temp;
for(int i=0;i<T;i++)
{
out.write("Case #"+(i+1)+": ");
s1=br.readLine();
String[] n=s1.split(" ");
ll=Integer.parseInt(n[0]);
ul=Integer.parseInt(n[1]);
p=ul-ll+1;
f=ll;
for(int j=0;j<p;j++)
{
s1=Integer.toString(f);
char c[]=new char[s1.length()];
c=s1.toCharArray();
for(int k=0;k<s1.length()-1;k++)
{
temp=c[s1.length()-1];
for(int l=(s1.length()-1);l>0;l--)
{
c[l]=c[l-1];
}
c[0]=temp;
w1="";
for(int m=0;m<s1.length();m++)
{
w1=w1+c[m];
}
nn=Integer.parseInt(w1);
if(nn>ll)
if(nn>f)
if(nn<=ul)
cnt=cnt+1;
}
f=f+1;
}
String h=Integer.toString(cnt);
out.write(h);
out.write("\r\n");
cnt=0;
}
out.close();
br.close();
}
catch(Exception e){
System.out.println("Error :"+e);
}
}
}