import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.util.HashSet;
import java.util.Set;


public class GoogleC {
	public String szamol(String input){
		String result="";
		String a=input;
		Integer min=Integer.parseInt(a.substring(0,a.indexOf(' ')));
		a=a.substring(a.indexOf(' ')+1);
		Integer max=Integer.parseInt(a);
		Long count=0l;
		for(Integer i=min; i<=max; i++){
			String e1=i.toString();
			Set<Integer> db=new HashSet<Integer>(); 
			for (int j=1; j<e1.length();j++){
				
				String e2=e1.substring(j)+e1.substring(0,j);
				Integer k=Integer.parseInt(e2);
				if (k>i && k<=max){
					db.add(k);
					//System.out.println(e1+"\t"+e2);
				}
				
			}
			count+=db.size();
		}
		
		return count.toString();
	}
	public static void main(String[] args) {
		GoogleC a=new GoogleC();
		//String filename="input.txt";
		//String filename="C-small-attempt0.in";
		String filename="C-large.in";
		String thisLine;
		try {
			BufferedReader br = new BufferedReader(new FileReader(filename));
			BufferedWriter bw= new BufferedWriter(new FileWriter(filename+".out"));
			thisLine=br.readLine();
			Integer tnum=Integer.parseInt(thisLine);
		     for(int i=0;i<tnum;i++) { // while loop begins here
		    	 	thisLine=br.readLine();
		           System.out.println(thisLine);
		           System.out.println("Case #"+(i+1)+": "+a.szamol(thisLine)+"\n");
		           bw.write("Case #"+(i+1)+": "+a.szamol(thisLine)+"\n");
		         } // end while 
		        // end try
		     br.close();
		     bw.close();
		} catch (FileNotFoundException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}


	}

}

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.FileReader;
import java.io.FileWriter;
import java.util.ArrayList;


public class ProblemC {
	public static void main (String[] args) throws Exception{
		BufferedReader fin = new BufferedReader(new FileReader("E:/C-large.in"));
		String line = fin.readLine();
		BufferedWriter out = new BufferedWriter(new FileWriter("E:/C-large.out"));
		int ln = 1;
		while ((line = fin.readLine()) != null && line.length() != 0){
			
			line = line.trim();
			String[] parts = line.split("\\s+");
			int a = Integer.parseInt(parts[0]);
			int b = Integer.parseInt(parts[1]);
			int count = 0;
			for (int i = a; i < b; i++){
				String s = Integer.toString(i);
				ArrayList<Integer> list = new ArrayList<Integer>();
				for (int j = 1; j < s.length(); j++){
					String newString = s.substring(j) + s.substring(0,j);
					int newInt = Integer.parseInt(newString);
					if ((newInt > i) && (newInt <= b) && (list.contains(newInt) == false)){
						list.add(newInt);
						count++;
					}
				}
			}
			out.write("Case #" + ln + ": " + count);
			out.write("\n");
			ln++;
		}
		fin.close();
		out.close();
	}
}