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 hk.polyu.cslhu.codejam.thread;

import hk.polyu.cslhu.codejam.lib.ResultCollector;
import hk.polyu.cslhu.codejam.solution.Solution;

import java.util.List;

import org.apache.log4j.Logger;

public abstract class JamThread implements Runnable {
	public static Logger logger = Logger.getLogger(JamThread.class);

	private ResultCollector resultCollector;
	private int indexOfList;
	private List<List<String>> testCaseList;
	private Solution solution;
	
	/**
	 * Return the solution
	 * 
	 * @return Solution
	 */
	public Solution getSolution() {
		return solution;
	}

	/**
	 * Set the solution used for test cases
	 * 
	 * @param solution Solution
	 */
	public void setSolution(Solution solution) {
		this.solution = solution;
	}

	/**
	 * Return the result collector
	 * 
	 * @return ResultCollector
	 */
	public ResultCollector getResultCollector() {
		return resultCollector;
	}

	/**
	 * Set the result collector
	 * 
	 * @param resultCollector ResultCollector
	 */
	public void setResultCollector(ResultCollector resultCollector) {
		this.resultCollector = resultCollector;
	}
	
	/**
	 * Return the index of list
	 *  
	 * @return int The index of list
	 */
	public int getIndexOfList() {
		return indexOfList;
	}

	/**
	 * Set the index of list
	 * 
	 * @param indexOfList int The index of list
	 */
	public void setIndexOfList(int indexOfList) {
		this.indexOfList = indexOfList;
	}

	/**
	 * Set the list of test cases
	 * 
	 * @param testCaseList List<LIst<String>>
	 */
	public void setTestCaseList(List<List<String>> testCaseList) {
		this.testCaseList = testCaseList;
		logger.debug("Total " + testCaseList.size() + " test cases have been added");
	}
	
	/**
	 * Get the list of test cases
	 * 
	 * @return List<List<String>> The list of test cases
	 */
	public List<List<String>> getTestCaseList() {
		return this.testCaseList;
	}
	
	public abstract void run();
}
