import java.util.Scanner;
import java.io.*;
import java.lang.Math;


public class C{
	public static int recycle(String str){
		String[] numbers = str.split(" ");
		int min = Integer.parseInt(numbers[0]);
		int max = Integer.parseInt(numbers[1]);
		int ret = 0;

		for(int i = min; i < max; i++){
			String num = i + "";
			int len = num.length();
			int k = i;
			for(int j = 1; j < len; j++){
				k = (k/10) + (int)java.lang.Math.pow(10.0,(double)(len-1))*(k%10);
				if (k > i && k <= max)
					ret++;
				else if(k == i)
					break;
			}
		}

		return ret;
	}

	public static void main(String[] args){
		Scanner sc = null;
		String next;
		int out;
		try{
			sc = new Scanner(new File("C-large.in"));
			int cases = Integer.parseInt(sc.nextLine());
			int current = 0;
			

			FileWriter fs = new FileWriter("output.txt");
			BufferedWriter buff = new BufferedWriter(fs);
			while(current < cases){
				next = sc.nextLine();
				current++;
				out = recycle(next);
				buff.write("Case #" + current + ": " + out + "\n");
			}
			buff.close();
		}
		catch(Exception ex){}
	}
}
package be.mokarea.gcj.recyclednumbers;

import java.io.FileInputStream;
import java.io.PrintWriter;

import be.mokarea.gcj.common.GoogleCodeJamBase;
import be.mokarea.gcj.common.TestCaseReader;
import be.mokarea.gcj.common.Transformation;

public class RecycledNumbers extends GoogleCodeJamBase<RecycledNumbersTestCase> {
	private final String outputFileName;
	private final String inputFileName;

	
	public RecycledNumbers(String inputFileName, String outputFileName) {
		super();
		this.inputFileName = inputFileName;
		this.outputFileName = outputFileName;
	}

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		new RecycledNumbers(args[0], args[1]).execute();

	}

	@Override
	protected Transformation<RecycledNumbersTestCase> createTransformation(
			TestCaseReader<RecycledNumbersTestCase> testCaseReader,
			PrintWriter outputWriter) throws Exception {
		return new RecycledNumbersTransformation(testCaseReader,outputWriter);
	}

	@Override
	protected String getOutputFileName() throws Exception {
		return outputFileName;
	}

	@Override
	protected TestCaseReader<RecycledNumbersTestCase> getTestCaseReader()
			throws Exception {
		return new RecycledNumbersTestCaseReader(new FileInputStream(inputFileName));
	}


}
