package it.simone.google.code.jam2012;

import java.util.HashSet;
import java.util.Set;

public class RecycledNumber implements GoogleCodeExercise {

	int a = 0;
	int b = 0;
	Set<Couple> distinctCouple = null;
	long maxTime = 0;

	private class Couple {
		int x = 0;
		int y = 0;

		public Couple(int x, int y) {
			this.x = x;
			this.y = y;
		}

		@Override
		public int hashCode() {
			final int prime = 31;
			int result = 1;
			result = prime * result + getOuterType().hashCode();
			result = prime * result + x;
			result = prime * result + y;
			return result;
		}

		@Override
		public boolean equals(Object obj) {
			if (this == obj)
				return true;
			if (obj == null)
				return false;
			if (getClass() != obj.getClass())
				return false;
			Couple other = (Couple) obj;
			if (!getOuterType().equals(other.getOuterType()))
				return false;
			if (x == other.x && y == other.y)
				return true;
			if (x == other.y && y == other.x)
				return true;
			return false;
		}

		private RecycledNumber getOuterType() {
			return RecycledNumber.this;
		}

	}

	@Override
	public String execute(String line) {
		int result = 0;

		String[] data = line.split(" ");
		a = Integer.parseInt(data[0]);
		b = Integer.parseInt(data[1]);
		initialize();

		int n = a;
		//
		while (n <= b) {
			result += analize(n);
			n++;
//			if (n % 1000 == 0)
//				System.out.println(n);
		}

		System.out.println(result);
		return "" + result;
	}

	@Override
	public void initialize() {
		distinctCouple = new HashSet<Couple>();
	}

	private int analize(int number) {
		String numString = "" + number;
		initialize();
		for (int i = 1; i < numString.length(); i++) {
			int m = shift(numString, i);
			if (a <= number && number < m && m <= b) {
				Couple couple=new Couple(number,m);
				if (!distinctCouple.contains(couple))
					distinctCouple.add(couple);
			}
		}
		return distinctCouple.size();
	}

	private int shift(String numString, int posx) {

		String result = null;
		result = "" + numString.substring(posx) + numString.substring(0, posx);

		return Integer.parseInt(result.toString());
	}

}

import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.PrintWriter;
import java.util.HashSet;
import java.util.StringTokenizer;

public class MainC {
	
	private static boolean esValido(Integer n,Integer A,Integer B,boolean comp)
	{
		
		int i=0;
		boolean valido=false;
		if (!comp || (n>=A && n<B))
		{
			if (n>9)
			{
				while((i+1)<n.toString().length() && valido==false)
				{
					if (n.toString().charAt(i)!=n.toString().charAt(i+1))
					{
						valido=true;
					}
					i++;
				}
			}
		}
		return valido;
	}
	
	private static String rotar(String i)
	{
		return (i.charAt(i.length()-1)+i.substring(0, i.length()-1));
	}
	
	private static void combValidas(Integer i,Integer A,Integer B,HashSet<Par> conj)
	{
		String aux=rotar(i.toString());
		Integer num=Integer.parseInt(aux);
		if (esValido(num,A,B,true))
		{
			if (!i.equals(num))
			{
				conj.add(new Par(i,num));
			}
			//System.out.println("Se encuentra el par " + i + ", "+num + " ya que esValido "+num+" en el intervalo "+ A+ "-"+B);
		}
		for (int j=0;j<i.toString().length()-2;j++)
		{
			aux=rotar(aux);
			num=Integer.parseInt(aux);
			if (esValido(num,A,B,true))
			{
				//System.out.println("Se encuentra el par " + i + ", "+num + " ya que esValido "+num+" en el intervalo "+ A+ "-"+B);
				if (!i.equals(num))
				{
					conj.add(new Par(i,num));
				}
			}
		}
	}
	
	private static Integer calcularResultado(Integer A, Integer B)
	{
		//Para cada número hay tantas combinaciones como su longitud menos 1 (podemos rotarlo n-1 veces)
		HashSet<Par> conj=new HashSet<Par>();
		for (int i=A;i<B;i++)
		{
			if (esValido(i,A,B,false))
			{
				combValidas(i,A,B,conj);
			}
		}
		//Imprimimos resultados
		for (Par p:conj)
		{
			System.out.println(p + " en "+A+"-"+B);
		}
		
		return conj.size();
	}
	
	public static void main(String[] args) {
		File archivo = null;
		FileReader fr = null;
		FileWriter wr = null;
		PrintWriter pw = null;
		BufferedReader br = null;
		Integer A,B;
		Integer num = 0;
		String linea;
		String aux;
		StringTokenizer st;
		try {
			archivo = new File("C:/Users/Pc/Desktop/input.in");
			fr = new FileReader(archivo);
			br = new BufferedReader(fr);
			wr = new FileWriter("C:/Users/Pc/Desktop/output.out");
			pw = new PrintWriter(wr);
			// Lectura del fichero
			while ((linea = br.readLine()) != null) {
				if (num != 0) {
					aux = "Case #" + num.toString() + ": ";	//Inicialización del case #N: 
					st=new StringTokenizer(linea," ");
					A=Integer.parseInt(st.nextToken());
					B=Integer.parseInt(st.nextToken());
					aux+=calcularResultado(A,B).toString();
					pw.println(aux);
				}
				num++;
			}

		} catch (Exception e) {
			e.printStackTrace();
		} finally {
			try {
				if (null != fr) {
					fr.close();
					wr.close();
				}
			} catch (Exception e2) {
				e2.printStackTrace();
			}
		}

	}
	
}
