package codejam;

import java.util.*;
import java.io.*;

public class RecycledNumbers {
	public static void main(String[] args) throws IOException {
		BufferedReader in = new BufferedReader(new FileReader("in.txt"));
		PrintWriter out = new PrintWriter(new File("out.txt"));
		
		int T = Integer.parseInt(in.readLine());
		for (int t = 1; t <= T; ++t) {
			String[] parts = in.readLine().split("[ ]+");
			int A = Integer.parseInt(parts[0]);
			int B = Integer.parseInt(parts[1]);
			
			int cnt = 0;
			for (int i = A; i < B; ++i) {
				String str = String.valueOf(i);
				int n = str.length();
				String res = "";
				Set<Integer> seen = new HashSet<Integer>();
				for (int j = n - 1; j > 0; --j) {
					res = str.substring(j) + str.substring(0, j);
					int k = Integer.parseInt(res);
					if (k > i && k <= B) {
						//System.out.println("(" + i + ", " + k + ")");
						if (!seen.contains(k)) {
							++cnt;
							seen.add(k);
						}
					}
				}
			}

			out.println("Case #" + t + ": " + cnt);
		}
		
		in.close();
		out.close();
		System.exit(0);
	}
}

package codejam;
import java.io.*;
public class FileRead {
	String fileName;
	FileReader fr;
	BufferedReader br;
	FileRead(String fileName)
	{
		this.fileName=fileName;
		File f=new File("K:\\CodeJam\\Input\\"+fileName);//Create a file object
		
			FileReader fr;
			try {
				fr = new FileReader(f);
				br=new BufferedReader(fr);
			} catch (FileNotFoundException e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			}    	
	}
	//function to read next line.
	public String readNextLine(){
		String text=null;
		try {
			text=br.readLine();
		} catch (IOException e) {
			e.printStackTrace();
		}
		
		return text;
	}
	public int readNextInt(){
		int n = 0;
		try{
			n=Integer.parseInt(br.readLine().trim());
		}catch(Exception e){
			System.out.println("Invalid integer");
		}
		return n;
	}
	public int [] readNextIntArray(){
		int []n=null;
		try{
			String []numarray=br.readLine().split(" ");
			n=new int[numarray.length];
			for(int i=0;i<numarray.length;i++){
				n[i]=Integer.parseInt(numarray[i].trim());								
			}
		}catch(Exception e){
			System.out.println("Invalid integer");
		}
		
		return n;
	}
	public void close(){
		try {
			//fr.close();
			br.close();			
		} catch (Exception e) {
			e.printStackTrace();
		}
	}
}
	
	