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.util.ArrayList;
import java.util.Arrays;

/**
 * Created by IntelliJ IDEA.
 * User: Abhishek
 * Date: 4/14/12
 * Time: 1:09 PM
 * To change this template use File | Settings | File Templates.
 */
public class RecNum {
    public int recycled(String a, String b){
        int a1 = Integer.parseInt(a);
        int b1 = Integer.parseInt(b);
        int num = a1;
        int count=0;
        while(num<=b1){
            String x = String.valueOf(num);
            ArrayList<String> store = new ArrayList<String>(10);
            for(int i=1; i<x.length(); i++){
                String y = x.substring(x.length()-i, x.length())+x.substring(0, x.length()-i);

                int k = Integer.parseInt(y);
                if(k<=b1 && k>num && !store.contains(y)){
                    count++;
                    store.add(y);
                }
            }
            num++;

        }
        return count;
    }
    public static void main(String[] args) {
        RecNum spk = new RecNum();
        try {
            BufferedReader buff = new BufferedReader(new FileReader("C-small-attempt0.in"));
            FileWriter fstream = new FileWriter("out1.txt");
            BufferedWriter out = new BufferedWriter(fstream);
            int numTest = Integer.parseInt(buff.readLine());
            if (numTest < 1 || numTest > 50)
                System.exit(0);

            for (int k = 0; k < numTest; k++) {
                String[] inp = buff.readLine().split(" ");

                out.write("Case #" + (k + 1) + ": " + spk.recycled(inp[0],inp[1]));
                out.write("\n");
//                System.out.println("Case #" + (k + 1) + ": " + spk.recycled(inp[0],inp[1])+"\n");


            }
            out.close();

        } catch (Exception e) {
            System.out.println("Exception" + e);
        }
    }
}
