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.FileReader;
import java.io.FileWriter;


public class qc {

	public static void main(String [] args)
	{
		String fileName = "C-large.in";
		try{
			FileReader fr = new FileReader(fileName);
			BufferedReader br = new BufferedReader(fr);
			
			FileWriter fw = new FileWriter("output.txt");
			BufferedWriter bw = new BufferedWriter(fw);
			String line="";
			int count = 0;
			int solution = 0;
			while((line=br.readLine())!=null)
			{					
				if(count == 0)
				{
					count++;
					continue;
				}
				
				String [] sp = line.split(" ");
				int [] range = new int[sp.length];
				for(int i =0; i<range.length; i++)
				{
					range[i] = Integer.parseInt(sp[i]);
				}
								
				for(int i =range[0]; i<=range[1]; i++)
				{
					String temp="" + i;
					int [] numArr = makeDigit(temp);
					for(int j =0; j<numArr.length; j++)
					{						
						if((range[0]<=i) && (i < numArr[j]) && (numArr[j] <= range[1]))
							solution++;
					}
				}
				
				bw.write("Case #"+count+": "+solution+"\n");
				
				solution = 0;
				count++;
			}
			bw.close();
			fw.close();
			br.close();
			fr.close();
			
		}catch(Exception EE){
			EE.printStackTrace();
		}
	}
	
	public static int [] makeDigit(String str)
	{		
		int [] returnArr = new int[str.length()];
		for(int i=0; i<str.length()-1; i++)
		{
			char temp = str.charAt(str.length()-1);
			str = str.substring(0, str.length()-1);
			
			String tempS = "" + temp+str;
			str = tempS;
			returnArr[i] = Integer.parseInt(str);
		}
		
		return returnArr;
	}
}
