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

import java.io.File;
import java.io.FileInputStream;
import java.util.Scanner;

/**
 *
 * @author imgps
 */
public class C {
    public static void main(String args[]) throws Exception{
        int A,B;
        int ctr = 0;
        int testCases;
        
        Scanner sc = new Scanner(new FileInputStream("C-small-attempt0.in "));
        testCases = sc.nextInt();
        int input[][] = new int[testCases][2];
        for(int i=0;i<testCases;i++)
        {
          //  System.out.print("Enter input A B: ");
            input[i][0] = sc.nextInt();
            input[i][1] = sc.nextInt();
            
        }
  

for(int k=0;k<testCases;k++){
      ctr = 0;
      A = input[k][0];
      B = input[k][1];
        for(int i = A;i<=B;i++){
            int num = i;
            int nMul = 1;
            int mul = 1; 
            int tnum = num/10;
            while(tnum > 0){
                mul = mul *10;
                tnum= tnum/10;
            }
            tnum = num;
            int n = 0;
            while(tnum > 0 && mul >= 10){
                nMul = nMul * 10;
                n = (num % nMul) * mul + (num / nMul);
                mul = mul / 10;
                tnum = tnum / 10;
                for(int m=num;m<=B;m++){
                    
                    if(n == m && m > num){
                        ctr++;
                    }
                }
                
                
                
         
            }
        }
        System.out.println("Case #"+(k+1)+": "+ctr);
        
    }
    }
}

package com.dagova.recycledNumbers;

import java.util.TreeSet;

public class RecycledNumbersSolver
{
	private static int solution;
	private static int aNumber;
	private static int bNumber;

	
	public static int solve(String line)
	{
		solution = 0;
		
		String[] splittedLine = line.split(" ");
		aNumber = Integer.parseInt(splittedLine[0]);
		bNumber = Integer.parseInt(splittedLine[1]);
		
		for(int number = aNumber; number < bNumber-1; number++)
		{
			solution += solveNumber(number);
		}
		return solution;
	}

	
	public static int solveNumber(int number)
	{
		//	con el treeset evita que un n de varias veces el mismo m. Antes usaba el contador recycledNumbers y por eso fallaba.
		TreeSet<Integer> ms = new TreeSet<Integer>();
//		int recycledNumbers = 0;
		String numberAsString = Integer.toString(number);
		int numberLength = numberAsString.length();
		
		for(int charIterator = 1; charIterator < numberLength; charIterator++)
		{
			if(numberAsString.charAt(charIterator) >= numberAsString.charAt(0))
			{
				int recycledNumber = generateRecycledNumber(numberAsString, charIterator);
				if(recycledNumber <= bNumber && recycledNumber > number)
				{
					ms.add(recycledNumber);
//					recycledNumbers++;
				}
			}	
		}
		
		return ms.size();
//		return recycledNumbers;
	}
	
	
	public static int generateRecycledNumber(String numberAsString, int charIterator)
	{
		String prefix = numberAsString.substring(0, charIterator);
		String sufix = numberAsString.substring(charIterator);
		
		return Integer.parseInt(sufix.concat(prefix));
	}
}
