import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.util.StringTokenizer;

class RecycledNumbers{
	
	
	
	int getcount(int small,int large){
		int count = 0;
		for(int currnum = small; currnum < large; currnum++){
			int permut = currnum;
			int no_of_digits = 0;
			while(permut > 0){
				permut = permut/10;
				no_of_digits++;
			}
			int lastDigit = currnum % 10;
			permut = currnum / 10;
			permut = permut + lastDigit * (int)Math.pow(10, no_of_digits-1);
			while(permut != currnum){
				
				if(permut >= currnum && permut <= large){
					
					count++;
				}
				lastDigit = permut % 10;
				permut = permut / 10;
				permut = permut + lastDigit * (int)Math.pow(10, no_of_digits-1);
				
			}
			
		}
		
		return count;
	}
	
	public static void main(String args[]){
		RecycledNumbers d = new RecycledNumbers();
		
		int no_of_cases = 0;
		String input = "";
		
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		try{
			no_of_cases = Integer.parseInt(br.readLine());
		}
		catch(Exception e){
			System.out.println("First line is not a number");
		}
		
		for(int i=1; i <= no_of_cases;i++){
			try{
				input = br.readLine();
			}
			catch(Exception e){
				System.out.println("Number of test cases different from the number mentioned in first line");
			}
			
			System.out.print("Case #" +i+": ");
			
			StringTokenizer t =  new StringTokenizer(input);
			int small=0,large=0;
			if(t.hasMoreTokens()){
				small = Integer.parseInt(t.nextToken());
			}
			if(t.hasMoreTokens()){
				large = Integer.parseInt(t.nextToken());
			}
			System.out.println(d.getcount(small,large));
			
		}
		
		
		

	}
	
	
}
package codejam.Y2012;

import java.io.File;
import java.io.FileNotFoundException;
import java.util.Collections;
import java.util.HashSet;
import java.util.Scanner;
import java.util.Set;

public class RecycledNumbers {

	/**
	 * @param args
	 * @throws FileNotFoundException
	 */
	public static void main(String[] args) throws FileNotFoundException {
		Scanner sc = new Scanner(new File(
				"C:\\Documents and Settings\\vikmalik\\Desktop\\input1.txt"));

		int numCases = sc.nextInt();
		
//		System.out.println("\nCount  = " + getCount(100, 500));
		

		for (int i = 1; i <= numCases; i++) {
			int a = sc.nextInt();
			int b = sc.nextInt();
			int count;
			if(a < b){
				count = getCount(a, b);
			}else{
				count = getCount(b, a);
			}
			System.out.println("Case #" + i + ": " + count);
		}
	}

	private static int getCount(int a, int b) {
		int lim = 0;
		int count = 0;
		if (b > 10 && b < 100) {
			lim = 1;
		} else if (b >= 100) {
			lim = 2;
		}

		Set<String> numList = new HashSet<String>();
		for (int j = 1; j <= lim; j++) {
			double divFactor = Math.pow(10, j);
			
			double mulFactor = 10;

			for (int i = a; i <= b; i++) {
				int diviser = (int) (i / divFactor);
				int remider = (int) (i % divFactor);
				
				if(remider == 0 || (divFactor == 100 && remider < 10)){
					continue;
				}
				if(i>=100){
					mulFactor =100;
				}else{
					mulFactor =10;
				}

				int num = (int) (remider * mulFactor + diviser);

//				System.out.println("diviser = "+ diviser);
//				System.out.println("remider = "+ remider);
//				System.out.println("num = "+ num);
				
				if (num >= a && num <= b && i != num && i>10 ) {
					String pair;
					if(i<num){
						pair = i + " , " + num;
					}else{
						pair = num + " , " + i;
					}
					
					numList.add(pair);
				}
			}
		}
		count = numList.size();
		
//		System.out.println("The list");
//		for (String pair : numList) {
//			System.out.println(pair);
//		}

		return count;
	}

}
