/*
 * 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;
    }
}

package gcj;

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.FileReader;
import java.io.FileWriter;

public class Recycled {
    public static void main(String args[]) throws Exception
    {
        BufferedReader br=new BufferedReader(new FileReader("c:/c.in"));
        BufferedWriter out=new BufferedWriter(new FileWriter("c:/out.txt"));
        String s;
      
        int t=Integer.parseInt(br.readLine());
        for(int i=0;i<t;i++)
        {s=br.readLine();
        String s2[]=s.split(" ");
        int a=Integer.parseInt(s2[0]);
        int b=Integer.parseInt(s2[1]);
        int res=0;
        
        for(int j=a;j<=b;j++)
        { int arr[]=new int[10];
          int dupidx=0;
          if(j<=10)
              continue;
          s=Integer.toString(j);
          int l=s.length();
          while(l>0)
          {
              s=s.substring(s.length()-1)+s.substring(0,s.length()-1);
              if(s.charAt(0)=='0')
              {   l--;
                  continue;
              }
              else
              {
                  if(Integer.parseInt(s)==j)
                  { l--;
                  continue;
                  }
                  if(check(arr,dupidx,Integer.parseInt(s))&Integer.parseInt(s)>j&&Integer.parseInt(s)<=b&&Integer.parseInt(s)>=a)
                  {   
                      arr[dupidx]=Integer.parseInt(s);
                      dupidx++;
                      res++;
                  
                  }
              }
              l--;
          }
        }
        out.write("Case #"+(i+1)+": "+res+"\n");
        }
        out.close();
    }
    public static boolean check(int arr[],int maxid,int val)
    {
        for(int i=0;i<maxid;i++)
        {
            if(arr[i]==val)
                return false;
        }
        return true;
    }
}
