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 recyclednumbers;
import java.io.BufferedReader;
import java.io.FileReader;
import java.io.IOException;
import java.io.InputStreamReader;


public class SimpleReader {

	private BufferedReader br;
	private int line = 0;
	
	public SimpleReader() {
		String filename = prompt();
		setReader(filename);
	}
	
	public SimpleReader(String filename) {
		setReader(filename);
	}
	
	private String prompt() {
		System.out.println("Input file: ");
		BufferedReader bufr = new BufferedReader(
									new InputStreamReader(System.in));
		String filename = null;
		try {
			filename = bufr.readLine();
		} catch (IOException e) {
			System.err.println("At prompt: " + e.getMessage());
		}
		return filename;
	}
	
	private void setReader(String filename) {
		try {
			br = new BufferedReader(new FileReader(filename));
		} catch (IOException e) {
			System.err.println(e.getMessage());
		}
	}
	
	public String readLine() {
		try {
			line++;
			return br.readLine();
		} catch (IOException e) {
			System.err.println("Line " + (line - 1) + ": " + e.getMessage());
			return null;
		}
	}
	
	public int readInt() {
		return Integer.parseInt(readLine());
	}
	
	public int[] readIntArray() {
		String[] tokens = readLine().split(" ");
		int[] ret = new int[tokens.length];
		for (int i = 0; i < tokens.length; i++) {
			ret[i] = Integer.parseInt(tokens[i]);
		}
		return ret;
	}
	
	public String[] readStringArray() {
		return readLine().split(" ");
	}
}
