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.DataInputStream;
import java.io.FileInputStream;
import java.io.FileWriter;
import java.io.InputStreamReader;
import java.util.HashSet;
import java.util.Set;


public class Prob3 {

	
	public static int calc(int n1, int n2){
		Set<String> set = new HashSet();
		int c=0;
		for(;n1<=n2;n1++){
			String sn = ""+n1;
			Set<String> tested = new HashSet();
			for(int i=0;i<sn.length();i++){				
				String s = sn.substring(i,sn.length())+sn.substring(0,i);
				if(s.charAt(0)=='0') continue;
				if(tested.contains(s)) continue; 
				tested.add(s);
				int s2 = Integer.parseInt(s);
				if(set.contains(s) && s2>=n1 && s2<=n2){
					c++;
				}else{
					set.add(s);
				}
			}
			
		}
		return c;
	}
	
	public static void main(String[] args) {
			
		try{

		  FileInputStream fstream = new FileInputStream("C-large.in");

		  DataInputStream in = new DataInputStream(fstream);
		  BufferedReader br = new BufferedReader(new InputStreamReader(in));
		  String strLine;

		  FileWriter fstream1 = new FileWriter("C-large.out");
		  BufferedWriter out = new BufferedWriter(fstream1);
//		  out.write("Hello Java");
		  //Close the output stream
		  
		  
		  long l = Long.parseLong(br.readLine());
		  for(long i=0; i<l && (strLine = br.readLine()) != null; i++)   {
			  String[] s = strLine.split(" "); 
			  int res = calc(Integer.parseInt(s[0]), Integer.parseInt(s[1]));
			  System.out.println("Case #"+(i+1)+": " +res);
			   out.write("Case #"+(i+1)+": " +res+"\n");
			  
			 // System.out.println("\n\n\n\n\n\n\n\n");
		  }			
		  out.close();
		} catch (Exception e1){
	    	e1.printStackTrace();
		}
	}
		
}
