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.File;
import java.io.FileNotFoundException;
import java.io.FileWriter;
import java.io.IOException;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Scanner;

/**
 * template class for code jam Contest
 * 
 * @author Tudor
 * 
 */

public class Main
{
    public static final String INPUT_FILE = "src/in.txt";
    public static final String OUTPUT_FILE = "out.txt";
    java.io.BufferedWriter br;

    /*
     * the number of tests
     */
    int tests;
    /*
     * the size of the test
     */
    int a, b;
    /*
     * the array
     */
    int[] tree;

    public static void main(String args[])
    {
	Main classMain = new Main();
	try
	{
	    Scanner scanner = new Scanner(new File(Main.INPUT_FILE));
	    classMain.br = new java.io.BufferedWriter(new FileWriter(Main.OUTPUT_FILE));
	    classMain.setData(scanner);

	} catch (FileNotFoundException e)
	{
	    e.printStackTrace();
	} catch (IOException e)
	{
	    // TODO Auto-generated catch block
	    e.printStackTrace();
	}
    }

    /**
     * method to set the initial data and run the tests
     * 
     * @param br
     *            the reader obtained from file
     */

    public void setData(Scanner scanner)
    {
	try
	{
	    tests = scanner.nextInt();
	    // System.out.println("Tests " + tests);
	    for (int i = 0; i < tests; i++)
	    {
		a = scanner.nextInt();
		b = scanner.nextInt();
		solve(i + 1);
	    }
	    br.close();

	} catch (Exception e)
	{
	    e.printStackTrace();
	}
    }

    /**
     * method to solve the problem
     * 
     * @param testNr
     *            the index of the test
     */

    public void solve(int testNr)
    {
	int result = 0;
	int digits = getDigits(a);

	MyDictionary recycledNumbers = new MyDictionary();

	for (int i = a; i <= b; i++)
	{
	    int number = i;
	    for (int d = 0; d < digits; d++)
	    {
		number = number / 10 + (number % 10) * ((int) Math.pow(10, digits - 1));
		if ((number != i) && (a <= number && number <= b))
		{
		    recycledNumbers.put(Math.min(i, number), Math.max(i, number));
		    // System.out.println(i + "    " + number);
		}
	    }
	}
	System.out.println(recycledNumbers);

	result = recycledNumbers.size();

	try
	{

	    br.write("Case #" + testNr + ": " + result + "\n");
	} catch (IOException e)
	{
	    e.printStackTrace();
	}

    }

    int getDigits(int x)
    {
	int digits = 0;
	while (x != 0)
	{
	    x = x / 10;
	    digits++;
	}

	return digits;
    }
}

class MyDictionary
{
    private Map map;

    MyDictionary()
    {
	this.map = new HashMap();
    }

    public List get(int key)
    {
	return (List) this.map.get(key);
    }

    public void put(int key, int value)
    {
	List list = get(key);
	if (list == null)
	{
	    list = new ArrayList();
	    this.map.put(key, list);
	}
	if (!list.contains(value))
	    list.add(value);
    }

    public int size()
    {
	int totalSize = 0;
	for (Object valueList : map.values())
	{
	    totalSize += ((List) valueList).size();
	}

	return totalSize;
    }
}
