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.*;
import java.util.*;
import java.util.regex.*;

public class jam03 {

	/**
	 * @param args
	 */
	
	public static void main1(){
	// scalar product problem
	}
	
	public static void main(String[] args) {
		// TODO Auto-generated method stub
		
		int number_test;
		Scanner sc = new Scanner(System.in);
		number_test = sc.nextInt();
		for(int j=1;j<=number_test;j++) {
			int lowerLimit = sc.nextInt();
			int upperLimit = sc.nextInt();
			System.out.print("Case #" + j + ": ");
			action(lowerLimit,upperLimit);
//			System.out.println(sum);
		}
	}


	private static void action(int lowerLimit, int upperLimit ) {
		// TODO Auto-generated method stub
		// Iterating over the elements in the set
		int finalGuys = 0;
		int maxZeroes = 0;
		int oldNum=0;
//		System.out.println("lower"+ lowerLimit);
//		System.out.println("uper"+upperLimit);
		for(int i=lowerLimit;i<upperLimit;i++)
		{			
			for(int k=7;k>=1;k--)
			{//3422
				int temp = (int) (i/Math.pow(10, k));//34
				if(maxZeroes ==0 && temp > 0)
				{
					maxZeroes = k;
					//System.out.println("maxZeroes"+maxZeroes);
				}
				if(maxZeroes>0)
				{
					int temp1 = (int) (i - (temp*Math.pow(10, k)));//3422-3400
					int newNum = (int) ((temp1*Math.pow(10, maxZeroes-k+1))+temp);//4223
					if(newNum <= upperLimit && newNum > i && newNum != oldNum)
					{
						oldNum = newNum;
						finalGuys++;
					}
				}
			}
		}
		System.out.println(finalGuys);
			
	}
}
