package Main;

import com.sun.deploy.util.ArrayUtil;
import org.apache.commons.lang3.ArrayUtils;

import java.io.*;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashMap;
import java.util.HashSet;

/**
 * Created with IntelliJ IDEA.
 * User: arran
 * Date: 14/04/12
 * Time: 3:12 PM
 * To change this template use File | Settings | File Templates.
 */
public class Round {
    public StringBuilder parse(BufferedReader in) throws IOException {
        StringBuilder out = new StringBuilder();
        String lineCount = in.readLine();

        for (int i = 1; i <= Integer.parseInt(lineCount); i++)
        {
            out.append("Case #"+i+": ");
            System.err.println("Case #"+i+": ");
            String line = in.readLine();
            String[] splits = line.split(" ");
            int p1 = Integer.valueOf(splits[0]);
            int p2 = Integer.valueOf(splits[1]);
            int r = pairRecyclable(p1, p2);
            out.append(r);

//            if (i < Integer.parseInt(lineCount))
                out.append("\n");
        }
        return out;
    }

    public static int pairRecyclable(int i1, int i2) {
        HashSet<String> hash = new HashSet<String>();
        for (int i = i1; i < i2; i++)
        {
            String istr = String.valueOf(i);
            if (istr.length() < 2) continue;
            for (int p = 0; p < istr.length() ; p++)
            {
                String nistr = istr.substring(p,istr.length()).concat(istr.substring(0,p));
                if (Integer.valueOf(nistr) < i1) continue;
                if (Integer.valueOf(nistr) > i2) continue;
                if (nistr.equals(istr)) continue;
                String cnistr = (Integer.valueOf(nistr) > Integer.valueOf(istr)) ?  istr + "," + nistr : nistr + "," + istr;
                hash.add(cnistr);
            }
        }
        return hash.size();
    }

    public static void main(String[] args) {
        InputStreamReader converter = null;
        try {
            int attempt = 0;
            String quest = "C";
//            String size = "small-attempt";
            String size = "large";
            converter = new InputStreamReader(new FileInputStream("src/resource/"+quest+"-"+size+".in"));
            BufferedReader in = new BufferedReader(converter);
            Round r = new Round();
            String str = r.parse(in).toString();
            System.out.print(str);
            FileOutputStream fos = new FileOutputStream(quest+"-"+size+".out");
            OutputStreamWriter osw = new OutputStreamWriter(fos);
            BufferedWriter bw = new BufferedWriter(osw);
            bw.write(str);
            bw.flush();
            bw.close();
        } catch (IOException e) {
            e.printStackTrace();
        }

    }
}

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.Writer;
import java.util.ArrayList;
import java.util.HashSet;
import java.util.Scanner;
import java.util.Set;



public class RecycledNumbers{
	public static void main(String[] args) throws IOException{
		String testCases;
		BufferedReader brTestCases = new BufferedReader(new InputStreamReader(System.in));
		File inFile = new File("C:/Users/AbhilashR/Downloads/C-large.in" ); 
		Scanner sc = new Scanner(inFile);
		//testCases = (String)brTestCases.readLine();
		testCases = sc.nextLine();
		Integer noOfTestCases = null;
		try{
			noOfTestCases = Integer.parseInt(testCases);
		}catch (NumberFormatException e){
			System.out.println("The entered value is not a Number");
		}
		ArrayList<String> inputData = new ArrayList<String>();
		for(int i =0;i<noOfTestCases;i++){
			brTestCases = new BufferedReader(new InputStreamReader(System.in));
			//testCases = (String)brTestCases.readLine();
			testCases = sc.nextLine();
			inputData.add(testCases);
		}
		
		ArrayList<Object[]> inputDataObj = new ArrayList<Object[]>();
		for(int i =0;i<inputData.size();i++){
			inputDataObj.add(inputData.get(i).split(" "));
		}
		Writer output = null;
		File outFile = new File("C:/Users/AbhilashR/Downloads/outPut.txt" );
		output = new BufferedWriter(new FileWriter(outFile));
		String text = "";
		for(int i =0;i < inputDataObj.size();i++){
			Object[] dataObj = inputDataObj.get(i);
			int integerA = Integer.parseInt((String)dataObj[0]);
			int integerB = Integer.parseInt((String)dataObj[1]);
			int recycledNumbers = getRecycledNumbers(integerA, integerB);
			text = "Case #"+(i+1)+": "+recycledNumbers+"\r\n";
			output.write(text);
			output.flush();
			
		}
		//output.write(text);
		output.close();
	}
	public static Integer getRecycledNumbers(Integer a,Integer b){
		Integer noOfRecycledNumbers = 0;
		Integer sampleN =a;
		
		Integer numberOfDigits = 0;
		numberOfDigits = Integer.toString(a).length();
		for(sampleN =a; sampleN < b ;sampleN++){
			Integer sampleM = sampleN;
			Set<Integer> tempSet = new HashSet<Integer>();
			for(int j =0; j< numberOfDigits; j++){
				int currentSize = Integer.toString(sampleM).length();
				if(currentSize==numberOfDigits){
					sampleM = Integer.parseInt(Integer.toString(sampleM%10)+Integer.toString(sampleM/10));
				}else{
					String formingSampleM = Integer.toString(sampleM%10);
					for(int k =0;k<numberOfDigits-currentSize;k++){
						formingSampleM = formingSampleM+"0";
					}
					formingSampleM = formingSampleM+Integer.toString(sampleM/10);
					sampleM = Integer.parseInt(formingSampleM);
				}
				if(sampleN<sampleM && sampleM<=b){
					tempSet.add(sampleM);
				}
			}	
			noOfRecycledNumbers += tempSet.size();
		}
		if(noOfRecycledNumbers>0){
			return noOfRecycledNumbers;
		}
		return 0;
	}
	
}