package qual;

import java.util.Scanner;

public class RecycledNumbers {

	public static void main(String[] args) {
		new RecycledNumbers().run();

	}

	private void run() {
		Scanner sc = new Scanner(System.in);
		int T = sc.nextInt();
		for (int t = 0; t < T; t++) {
			int A = sc.nextInt();
			int B = sc.nextInt();
			int result = solve(A, B);
			System.out.printf("Case #%d: %d\n", t + 1, result);
		}
	}

	public int solve(int A, int B) {
		int result = 0;
		for (int i = A; i <= B; i++) {
			int dig = (int) Math.log10(A/*same as B*/) + 1;
			int aa = i;
			for (int d = 0; d < dig - 1; d++) {
				aa = (aa % 10) * (int)Math.pow(10, dig - 1) + (aa / 10);
				if (i == aa) {
					break;
				}
				if (i < aa && aa <= B) {
//					System.out.printf("(%d, %d) ", i, aa);
					result++;
				}
			}
		}
		return result;
	}

}

package core;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;


public abstract class Template {

	/************* TO BE IMPLEMENTED ******************************************/

	public abstract void feedData(ExtendedBufferedReader iR); 

	public abstract StringBuffer applyMethods();

	/**************************************************************************/

	public void readData(File iFile){

		try {

			FileReader aReader = new FileReader(iFile);
			ExtendedBufferedReader aBufferedReader = new ExtendedBufferedReader(aReader);

			feedData(aBufferedReader);

			aBufferedReader.close();

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

	}

	public void writeResult(File iFile,StringBuffer iResult){

		System.out.println(iResult.toString());

		try {

			FileWriter aWriter = new FileWriter(iFile);

			aWriter.write(iResult.toString());

			aWriter.close();

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

	}

	public void play(String[] args) {

		if (args.length>1) {
			File  aFile = new File(args[0]);

			readData(aFile);

			StringBuffer result = applyMethods();

			File aResultFile= new File(args[1]);

			writeResult(aResultFile,result);

		} else {
			System.out.println("Your a bastard ! missing argument !");
		}	

	}

}
