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.*;
public class RecycledNumbers {

	/**
	 * @param args
	 */
	static int isOK(int m, int n)
	{
		String sm = "" + m;
		String sn = "" + n;
		if (sm.length() != sn.length()) return 0;
		int k = sm.length();
		for (int i = 1; i < k; i++)
		{
			String tmp = sm.substring(i) + sm.substring(0, i);
			if (tmp.equals(sn)) return 1;
		}
		return 0;
	}
	public static void main(String[] args) {
		try {
			FileReader fileReader = new FileReader("C-small-attempt0.in.txt");
			FileWriter fileWriter = new FileWriter("out.txt");
			BufferedReader reader = new BufferedReader(fileReader);
			BufferedWriter writer = new BufferedWriter(fileWriter);
			String inputString;
			inputString = reader.readLine();
			int cases = Integer.parseInt(inputString);
			for (int caseCount = 0; caseCount < cases; caseCount++)
			{
				inputString = reader.readLine();
				String output = "Case #" + (caseCount+1) + ": ";
				String[] split = inputString.split(" ");
				int m = Integer.parseInt(split[0]);
				int n = Integer.parseInt(split[1]);
				int ans = 0;
				for (int i = m; i <= n; i++)
					for (int j = i + 1; j <= n; j++)
					{
						ans += isOK(i, j);
					}
				output += ans;
				output += '\n';
				writer.write(output);
			}
			reader.close();
			writer.close();
			
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}

	}

}
