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;
	}
}

package source;

import java.io.BufferedWriter;
import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.util.Scanner;
import java.util.Set;
import java.util.TreeSet;

public class RecycledNumbers {

	/**
	 * @param args
	 */
	public static void main(String[] args) throws IOException{
		Scanner scan = new Scanner(new File(""));
		BufferedWriter bw = new BufferedWriter(new FileWriter(""));
		
		int testCases = new Integer(scan.nextLine());
		Set<String> pairs = null;
		
		for(int i=0; i < testCases; i++){
			String[] nums = scan.nextLine().split(" ");
			int min = new Integer(nums[0]);
			int max = new Integer(nums[1]);
			pairs = new TreeSet<String>();
			
			int testNum = min;
			while(testNum <= max){
				getRecycled(testNum, pairs, min, max);
				++testNum;
			}
			bw.write("Case #"+(i+1)+": "+pairs.size()+"\n");
		}
		bw.flush();
		bw.close();
	}
	
	public static void getRecycled(int testNum, Set<String> pairs, int min, int max){
		int rec = 0;
		String number = Integer.toString(testNum);
		
		StringBuilder sb = new StringBuilder("");
		for(int i=1; i < number.length(); i++){
			sb.append(number.substring(i)).append(number.substring(0, i));
			try{
				rec = new Integer(sb.toString());
				if(testNum != rec && min <= rec && rec <= max && 
						!pairs.contains(testNum+"-"+rec) && !pairs.contains(rec+"-"+testNum)){
					pairs.add(testNum+"-"+rec);
				}
			} catch(NumberFormatException e){}
			sb.delete(0, sb.length());
		}
	}

}
