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.util.*;
import java.io.*;

public class C {
	
	private static boolean isRecycledPair(int n, int m) {
		String sn = Integer.toString(n);
		String sm = Integer.toString(m);
		if(sn.length() != sm.length())
			return false;
		int l = sn.length();
		for(int i = l; --i >= 0; ) {
			if(sm.equals(sn.substring(i, l) + sn.substring(0, i)))
				return true;
		}
		return false;
	}
	
	private static long recycledNumbers(String s) {
		StringTokenizer st = new StringTokenizer(s);
		final int A = Integer.parseInt(st.nextToken());
		final int B = Integer.parseInt(st.nextToken());
		long r = 0;
		for(int n = A; n < B; n++)
			for(int m = n; ++m <= B; ) {
				if(isRecycledPair(n, m))
					r++;
			}
		return r;
	}
	
	public static void main(String args[]) throws Exception {
		//String fileName = "C.in";
		String fileName = "C-small-attempt0.in";
		//String fileName = "C-large.in";
		BufferedReader in = new BufferedReader(new FileReader(fileName));
		PrintStream out = new PrintStream(fileName.substring(0, fileName.lastIndexOf('.')) + ".out");
		int T = Integer.parseInt(in.readLine());
		for(int i = 1; i <= T; i++) {
			out.print("Case #" + i + ": ");
			String s = in.readLine();
			out.println(recycledNumbers(s));
		}
		out.close();
		in.close();
	}
}