/*
 * 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.*;
public class RecycledNumbers
{
    public void RecycledNumbers()throws IOException
    {        
          FileInputStream fstream = new FileInputStream("C:/Users/m.l/Desktop/C-small-attempt0.in"); 
          DataInputStream in = new DataInputStream(fstream);
          BufferedReader br = new BufferedReader(new InputStreamReader(in));
          int T=Integer.parseInt(br.readLine());
          String S[]=new String[T];int i,j,k,s,l,p,q,A=0,B=0;String a,temp1;
          for(i=0;i<T;i++)
          { 
              s=0;
              S[i]=br.readLine();l=S[i].length();
              for(j=0;j<l;j++)
              {
                  if(S[i].charAt(j)==' ')
                  {
                      A=Integer.parseInt(S[i].substring(0,j));
                      B=Integer.parseInt(S[i].substring(j+1));
                    }
                }
             for(j=A;j<=B;j++)
             {
                 a=Integer.toString(j);int temp2[]=new int[l];l=a.length();
                 for(k=0;k<l-1;k++)
                 {
                     temp1=a.substring(1)+a.charAt(0);temp2[k]=Integer.parseInt(temp1);
                     a=temp1;
                    }
              for(p=0;p<l;p++)
              {
                  q=0;
                  if(temp2[p]>j&&temp2[p]<=B&&temp2[p]>=A)
                  for(q=p+1;q<l;q++)
                  {
                      if(temp2[q]==temp2[p])
                      break;
                    }
                 if(q==l)
                 s+=1;
                }
            }
             System.out.println("Case #"+(i+1)+": "+s);   
            }
        }
    }