/*
 * 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;
    }

}

package com.codejam.two12.RecyledNumbers;

import java.util.HashSet;

import com.jp.common.Puzzle;

public class RecycledNumbers implements Puzzle {

  private HashSet<Integer> checkedElementSet = new HashSet<Integer>();
  private HashSet<Pair> ListOfPairs = new HashSet<Pair>();
  private int startNumber;
  private int endNumber;
  
  @Override
  public String[] solve(String[] dataSet) {
    processInput(dataSet);
    
    String result[] = new String[1];  
    result[0] = String.valueOf(ListOfPairs.size());
   // System.out.println(ListOfPairs);
    return result;
  
  }
  
  public void processInput(String[] dataSet){
      String data[] = dataSet[0].split(" ");
     startNumber = Integer.parseInt(data[0]);
     endNumber = Integer.parseInt(data[1]);
     
     for (int i = startNumber; i <= endNumber; i++){
       if(hasBeenProcessed(i)){
         continue;
       }
       
       if (i < 10 ){
         continue;
       }
       
       if (i >= 10 && i < 100 ){
         int reverse = reverseInt(i) ;
         checkedElementSet.add(i);
         checkedElementSet.add(reverse);
         
         checkAndCreatePair(i,reverse);
       }
       
       if (i >= 100 &&  i <= 1000 ){
         int reverse = reverseInt(i) ;
         int reverse1 = reverseInt(reverse);
         
         checkedElementSet.add(i);
         checkedElementSet.add(reverse);
         checkedElementSet.add(reverse1);
         
         checkAndCreatePair(i,reverse);
         checkAndCreatePair(i,reverse1);
         checkAndCreatePair(reverse,reverse1);
         checkAndCreatePair(reverse,i);
         checkAndCreatePair(reverse1,reverse);
         checkAndCreatePair(reverse1,i);
       }
       
       if (i > 1000 &&  i < 10000 ){
         int reverse = reverseInt(i) ;
         int reverse1 = reverseInt(reverse);
         int reverse2 = reverseInt(reverse1);
         
         checkedElementSet.add(i);
         checkedElementSet.add(reverse);
         checkedElementSet.add(reverse1);
         checkedElementSet.add(reverse2);
         
         checkAndCreatePair(i,reverse);
         checkAndCreatePair(i,reverse1);
         checkAndCreatePair(i,reverse2);
         checkAndCreatePair(reverse,i);
         checkAndCreatePair(reverse,reverse1);
         checkAndCreatePair(reverse,reverse2);
         checkAndCreatePair(reverse1,i);
         checkAndCreatePair(reverse1,reverse);
         checkAndCreatePair(reverse1,reverse2);
         checkAndCreatePair(reverse2,i);
         checkAndCreatePair(reverse2,reverse);
         checkAndCreatePair(reverse2,reverse1);
         
       }


     }
     
  }
  
  
  public void checkAndCreatePair(int i, int reverse){
    if(i>= startNumber && reverse >= startNumber && i <= endNumber && reverse <= endNumber && i < reverse){
      Pair p = new Pair(i,reverse);
      ListOfPairs.add(p);
    }
  }
  
  public int reverseInt(int input){
    String strInput = String.valueOf(input);
    char lastNum = strInput.charAt(strInput.length()-1);
    String strOutput = lastNum + strInput.substring(0, strInput.length() -1 );
    int output = Integer.parseInt(strOutput);
    return output;
  }
  
  public boolean hasBeenProcessed(int input){
    if (checkedElementSet.contains(input)){
      return true;
    }
    return false;
  }
  
}
