import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;

public class Recycled {
	public static void main(String[] args) throws Exception{
		String inputFile = "C-small-attempt0.in";
		
		BufferedReader input = new BufferedReader(new InputStreamReader(new FileInputStream(inputFile)));
		BufferedWriter output = new BufferedWriter(new OutputStreamWriter(new FileOutputStream("output")));
		long num_cases = Long.parseLong(input.readLine());
		int current_case = 0;
		
		while (current_case < num_cases){
			current_case++;
			
			String[] fields = input.readLine().split(" ");
			int A = Integer.parseInt(fields[0]);
			int B = Integer.parseInt(fields[1]);
			int total = 0;
			
			for (int n = A; n < B; n++){
				for (int m = n+1; m <= B; m++){
					if (isRecycled(n,m)) total++;
				}
			}
			
			System.out.println("Case #" + current_case + ": " + total);
			output.write("Case #" + current_case + ": " + total + "\n");
		}
		output.close();
	}

	private static boolean isRecycled(int n, int m) {
		String sn = ""+n;
		String sm = ""+m;
		if (sn.length() != sm.length()) return false;
		int totaln = 0, totalm = 0;
		for (int i = 0; i < sn.length(); i++){
			totaln += sn.charAt(i);
			totalm += sm.charAt(i);
		}
		if (totaln != totalm) return false;
		for (int i = 0; i < sn.length()-1; i++){
			sm = sm.charAt(sm.length() - 1) + sm.substring(0, sm.length() - 1);
			if (sm.equals(sn)) return true;
		}
		return false;
	}
}

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.HashMap;

public class RecycledNumbers {
	
	public static void main(String [] args){
		String fileIn = "C:\\CodeJam\\C-small-attempt0.in";
		ArrayList<String> lines = getLines(fileIn);
		StringBuffer result = new StringBuffer();
		if(lines!=null){			
			String firstLine[] = lines.get(0).split(" ");
			int caseTotal = Integer.parseInt(firstLine[0]);
			for(int i = 0; i<caseTotal; i++){
				String[] line = lines.get(i+1).split(" ");
				result.append("Case #"+(i+1)+": "+ getResult(line)+"\n");
			}
		}
			
		String fileOut = "C:\\CodeJam\\C-small-attempt0.out";
		writeFile(fileOut, result.toString());	
	}
	
	public static int getResult(String[] line){
		String str = line[0];
		int line0 = Integer.parseInt(line[0]);
		int line1 = Integer.parseInt(line[1]);
		int tot = 0;
		HashMap<Object, Object> map = new HashMap<Object, Object>();
		for(int i=line0;i<=line1;i++){
			for(int j=1; j<str.length();j++){
				String strAll = i+"";
				String str1 = strAll.substring(j);
				String str2 = strAll.substring(0,j);
				int strResult = Integer.parseInt(str1+str2);
				if(line0<=strResult && strResult<=line1){
					if(map.get(strAll+","+strResult)==null && !strAll.equalsIgnoreCase(strResult+"")){
						map.put(strAll+","+strResult,"Exist");
						map.put(strResult+","+strAll,"Exist");
						tot++;
					}
				}
			}  
		}
		return tot;
	}
	
	public static void writeFile(String filePath, String content){
		try{
			PrintWriter out = new PrintWriter(new BufferedWriter(new FileWriter(filePath)));
			out.write(content);
			out.close();
		}
		catch(IOException e){
			e.printStackTrace();
		}
	}
	
	public static ArrayList<String> getLines(String filePath){
		ArrayList<String> lines = null;	
		try{
			lines = new ArrayList<String>();
			String str;	    	   
		    BufferedReader in = new BufferedReader( new FileReader(filePath));
		    while ((str = in.readLine()) != null) {
		    	lines.add(str);	      
		    }	    
		    in.close();
		}catch(IOException e){
			e.printStackTrace();
		}
		return lines;
	}
}