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.BufferedWriter;
import java.io.File;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.util.ArrayList;


public class C {
	
	static int[] resu;

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		File input=new File("D:\\Users\\xiaoguo\\Downloads\\C-small.in");
		File output=new File("D:\\Users\\xiaoguo\\Desktop\\output.txt");
		readCaseFromInput(input);
		writeToOutput(output);
		System.out.println("Programe exist!");
	}
	
	static class Couple{
		
		private int a;
		private int b;
		
		public Couple(int a, int b)
		{
			this.a=a;
			this.b=b;
		}
		public boolean equals(Object o){
			   return (this.a==((Couple)o).a && this.b==((Couple)o).b);
			}
	}
	static void readCaseFromInput(File input )
	{
		try {
				FileReader reader=new FileReader(input);
				BufferedReader buf=new BufferedReader(reader);
				int numberCase=Integer.parseInt(buf.readLine());
				resu=new int[numberCase];
				String contentLine=null;
				int numerLine=0;
				while((contentLine=buf.readLine())!=null)
				{
					String[] line=contentLine.split("\\s");
					int a=Integer.parseInt(line[0]);
					int b=Integer.parseInt(line[1]);
					int n=0;
					ArrayList<Couple> liste=new ArrayList<Couple>();
					if(a>=10 && b>=10)
					{						
						for(int i=a;i<=b;i++)
						{
							String number=String.valueOf(i);
							for(int j=number.length()-1;j>=1;j--)
							{
								int x=Integer.parseInt(number.substring(j)+number.substring(0, j));
								C.Couple couple=new C.Couple(i, x);
								if(x<=b && x>i && !liste.contains(couple))
								{
									n++;									
									liste.add(couple);
								}
							}
						}
					}
					resu[numerLine]=n;
					
					numerLine++;									
				}
				
			buf.close();
			reader.close();
			
			
		} catch (Exception e) {
			e.printStackTrace();
		}
	}
	
	static void writeToOutput(File output)
	{
		try {
			FileWriter out=new FileWriter(output);
			BufferedWriter buf=new BufferedWriter(out);
			String headLine="Case #";
			for(int i=0;i<resu.length;i++)
			{
				int number=i+1;
				String line=headLine+number+": ";
				line+=resu[i];
				buf.write(line);				
				buf.newLine();
			}
			buf.close();
			out.close();
		} catch (IOException e) {
			
			e.printStackTrace();
		}
	}


}
