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 com.google.codejam.qualrnd.recyclednums;

import java.io.BufferedOutputStream;
import java.io.FileOutputStream;
import java.io.IOException;

public class RecycledNumbers {

	public void resolve() {
		
		RecycledNumbersInputReader inputReader = new RecycledNumbersInputReader();
		RecycledNumbersInput input = inputReader.read();
		
		int noOfCases = input.getNoOfCases();
		long[][] valuePairs = input.getNumPairs();
		
		long start = 0;
		long end = 0;
		BufferedOutputStream outputStream = null;
		try {
			outputStream = new BufferedOutputStream(new FileOutputStream("out.txt"));

			for (int caseIndex = 0; caseIndex < noOfCases; caseIndex++) {
				start = valuePairs[caseIndex][0];
				end = valuePairs[caseIndex][1];
				long output = findNoOfRecycledNumsBetween(start, end, 0);
			
				outputStream.write(String.format("Case #%d: %s\n", caseIndex+1, output).getBytes());
				System.out.printf("Case #%d: %s\n", caseIndex+1, output);
			}
		} catch (IOException e) {
			e.printStackTrace();
		} finally {
			if (outputStream != null) {
				try {
					outputStream.flush();
					outputStream.close();
				} catch (IOException e) {
					e.printStackTrace();
				}
			}
		}
	}
	
	private long findNoOfRecycledNumsBetween(long start, long end, long recycledNumsCount) {
		recycledNumsCount = countNoOfRecycledNums(start, end, start+1, recycledNumsCount);
		if (start < end) {
			recycledNumsCount = findNoOfRecycledNumsBetween(start+1, end, recycledNumsCount);
		}
		return recycledNumsCount;
				
	}
	
	private long countNoOfRecycledNums(long minLimit, long maxLimit, long nextNum, long recycledNumsCount) {
		if (nextNum > maxLimit) {
			return recycledNumsCount;
		}
		if (areCycleable(minLimit, nextNum)) {
			recycledNumsCount++;
		}
		recycledNumsCount = countNoOfRecycledNums(minLimit, maxLimit, nextNum+1, recycledNumsCount);
		return recycledNumsCount;
	}
	
	private boolean areCycleable(long a, long b) {
		
		if (a < b) {
			String num1 = String.valueOf(a);
			String num2 = String.valueOf(b);
			
			char[] digits = num1.toCharArray();
			
			if (num1.length() == num2.length()) {
				for (int index = 0; index < digits.length; index++) {
					// rotating the number
					char lastDigit = digits[digits.length-1];
					for (int rotateIndex = digits.length-1; rotateIndex > 0; rotateIndex--) {
						digits[rotateIndex] = digits[rotateIndex-1];
					}
					digits[0] = lastDigit;
					
					String rotatedNum = new String(digits);
					if (Integer.parseInt(rotatedNum, 10) == b) {
//						System.out.printf("Numbers %d and %d are recyclable.%n", a, b);
						return true;
					}
				}
			}
		}
//		System.out.printf("Numbers %d and %d are not recyclable.%n", a, b);
		return false;
	}
	
	public static void main(String[] args) {
		new RecycledNumbers().resolve();
	}
}
