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 de.johanneslauber.codejam.model;

import java.io.BufferedWriter;
import java.io.FileWriter;
import java.io.IOException;
import java.util.List;


/**
 * 
 * @author Johannes Lauber - joh.lauber@googlemail.com
 * 
 */
public abstract class BaseProblem implements IProblem {

	protected List<ICase> listOfCases;
	private BufferedWriter out;
	private int countOutputLines = 0;

	public BaseProblem() {
		try {
			out = new BufferedWriter(new FileWriter("output/output.out"));
		} catch (Exception e) {
			System.err.println("Error: " + e.getMessage());
		}
	}

	@Override
	public void setListOfCases(List<ICase> listOfCases) {
		this.listOfCases = listOfCases;
	}

	/**
	 * 
	 * @author Johannes Lauber - joh.lauber@googlemail.com
	 * @param stringArray
	 * @return
	 */
	protected int[] toIntArray(String[] stringArray) {
		int[] intArray = new int[stringArray.length];

		for (int i = 0; i < stringArray.length; i++) {
			intArray[i] = Integer.valueOf(stringArray[i]);
		}
		return intArray;
	}

	/**
	 * 
	 * @author Johannes Lauber - joh.lauber@googlemail.com
	 * @param line
	 */
	protected void writeToFile(String line) {
		countOutputLines++;
		try {
			out.write("Case #" + countOutputLines + ": " + line);
			out.newLine();
		} catch (IOException e) {
			e.printStackTrace();
		}
	}

	/**
	 * 
	 * @author Johannes Lauber - joh.lauber@googlemail.com
	 */
	protected void closeWriter() {
		try {
			out.close();
		} catch (IOException e) {
			e.printStackTrace();
		}
	}
}