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 util;

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.FileReader;
import java.io.FileWriter;

/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
/**
 *
 * @author bohmd
 */
public abstract class BaseResolver {

    private final String file;
    private BufferedReader reader;
    private BufferedWriter writer;
    int lineNum = 0;
    int caseNum = 0;

    public BaseResolver(String file) {
        this.file = file;
    }

    public void resolve() throws Exception {
        reader = new BufferedReader(new FileReader(input()));
        writer = new BufferedWriter(new FileWriter(output()));
        while (reader.ready()) {
            executeLine(reader.readLine());
            lineNum++;
        }
        reader.close();
        writer.close();
    }

    private String input() {
        return file + ".in";
    }

    private String output() {
        return file + ".out";
    }

    protected abstract void executeLine(String line) throws Exception;

    protected void write(String result) throws Exception {
        writer.write("Case #" + (++caseNum) + ":" + result);
        writer.newLine();
    }

    public int getLineNum() {
        return lineNum;
    }
}
