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 GoogleCodeJam2012;

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

/**
 * @author MArunkumar
 *
 */
public class RecycledNumbers {

	/**
	 * @param args
	 * @throws IOException 
	 */
	public static void main(String[] args) throws IOException {
		BufferedReader br = new BufferedReader(new FileReader("RecycledNumbersInput.txt"));
		FileWriter fw = new FileWriter("RecycledNumbersOutput.txt");
		int T = Integer.parseInt(br.readLine());
		for(int i=1; i<=T; i++){
			String datas[] = br.readLine().split(" ");
			int A = Integer.parseInt(datas[0]);
			int B = Integer.parseInt(datas[1]);
			int result = 0;
			for(int n=A; n<B; n++){
				int r = n;
				String nStr = String.valueOf(n);
				String rStr = String.valueOf(r);
				if(!(rStr.length()<2)){
					do{
						rStr = shiftLeft(rStr);
						r = Integer.parseInt(rStr);
						String trStr = String.valueOf(r);
						if(trStr.length() == nStr.length() && r>n && r<=B){
							result++;
						}
					}while(r!=n);
				}
			}
			fw.write("Case #"+i+": "+result+"\n");
		}
		fw.close();
	}
	
	private static String shiftLeft(String rStr){
		char[] rChars = rStr.toCharArray();
		char temp = rChars[0];
		for(int i=0; i<rChars.length-1; i++){
			rChars[i] = rChars[i+1];
		}
		rChars[rChars.length-1] = temp;
		return new String(rChars);
	}

}
