package codejam;

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

public class RecycledNumbers {
	public static void main(String[] args) throws IOException {
		BufferedReader in = new BufferedReader(new FileReader("in.txt"));
		PrintWriter out = new PrintWriter(new File("out.txt"));
		
		int T = Integer.parseInt(in.readLine());
		for (int t = 1; t <= T; ++t) {
			String[] parts = in.readLine().split("[ ]+");
			int A = Integer.parseInt(parts[0]);
			int B = Integer.parseInt(parts[1]);
			
			int cnt = 0;
			for (int i = A; i < B; ++i) {
				String str = String.valueOf(i);
				int n = str.length();
				String res = "";
				Set<Integer> seen = new HashSet<Integer>();
				for (int j = n - 1; j > 0; --j) {
					res = str.substring(j) + str.substring(0, j);
					int k = Integer.parseInt(res);
					if (k > i && k <= B) {
						//System.out.println("(" + i + ", " + k + ")");
						if (!seen.contains(k)) {
							++cnt;
							seen.add(k);
						}
					}
				}
			}

			out.println("Case #" + t + ": " + cnt);
		}
		
		in.close();
		out.close();
		System.exit(0);
	}
}

import java.io.*;
public class googleJam3 {

	/**
	 * @param args
	 */
	public static void main(String[] args) throws Exception {
		// TODO Auto-generated method stub
		BufferedReader reader = null;
		PrintWriter writer = null;
		try{
			reader = new BufferedReader(new FileReader("C-small-attempt0.in"));
			writer = new PrintWriter(new BufferedWriter(new FileWriter("C-small-attempt0.out")));
			int numInputs = Integer.parseInt(reader.readLine());
			for(int i = 0; i < numInputs; i++)
			{
				String temp = reader.readLine();
				int index = temp.indexOf(" ");
				int A = Integer.parseInt(temp.substring(0, index));
				temp = temp.substring(index+1);
				int B = Integer.parseInt(temp);
				int numWinners = 0;
				for(int j = A; j < B; j++)
				{
					for(int k = j+1; k <= B; k++)
					{
						String original = (new Integer(j)).toString();
						String start = "";
						start += original;
						String goal = (new Integer(k)).toString();
						do{
							String tempString = "";
							tempString += start;
							start = tempString.substring(start.length()-1);
							start+= tempString.substring(0,tempString.length()-1);
							if(start.equals(goal))
								numWinners++;
						} 
						while(!start.equals(original));
						
					}
				}
				writer.print("Case #" + (i+1) + ": " + numWinners + "\n");
				
			}
			writer.close();
		}
		catch(Exception e)
		{
			throw(e);
		}
	}

}
