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 com.google.codejam.util;

import java.io.File;
import java.io.FileWriter;
import java.io.IOException;

public class CodeJamOutputFile extends File {

	/**
	 * 
	 */
	private static final long serialVersionUID = -6971460798309687528L;
	private FileWriter writer;
	private Boolean caseZero = false;
	
	public CodeJamOutputFile(String pathname) {
		super(pathname);
		
		try {
			this.setWriter();
		} catch (IOException e) {
		}
	}

	private void setWriter() throws IOException {
		this.writer = new FileWriter(this);
		
	}

	public FileWriter getWriter() {
		return writer;
	}
	
	public void writeCase(int caseId, String result){
		if(caseId == 0){
			caseZero = true;
		}
		
		caseId = caseZero ? caseId + 1 : caseId;
		
		try {
			writer.write("Case #"+(caseId) +": " + result + "\n");
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
	}
	
	public void close(){
		try {
			writer.close();
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
	}

}
