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.File;
import java.io.PrintWriter;
import java.util.Scanner;

public class RecNumbers {
	
	static Scanner in;
	static PrintWriter out;
	
	
	public static boolean isRecycled(int n, int m){
		boolean recycled = false;
		String first = Integer.toString(n);
		String second = Integer.toString(m);
		int len = first.length();
		
		for(int i = 0; i < len; i++){
			if(len > 2){
				first = "" + first.charAt(len - 1) + first.substring(0,len - 1);	
			} else if (len == 2){
				first = "" + first.charAt(1) + first.charAt(0);
			} else {
				return false;
			}
			
			if(first.equals(second)){
				recycled = true;
			}
		}
		
		return recycled;
	}
	
	public static void main(String[] args) throws Exception {
		in = new Scanner(new File("C-small-attempt0.in"));
		out = new PrintWriter(new File("C-small.out"));

		//Read file
		int A;
		int B;
		int T = in.nextInt();
		//for each case do
		for (int i = 1; i <= T; i++){
			A = in.nextInt();
			B = in.nextInt();
			int count = 0;
			out.print("Case #" + i + ": ");
			for(int j = A; j <= B; j++){
				for(int k = j + 1; k <= B; k++){
					if(isRecycled(j, k) && j > 10 && k > 10){
						count++;
					}
				}
			}
			out.print(count);
			out.println();
		}

		out.close();	
	}
}