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 google2012;

import java.io.BufferedReader;
import java.io.FileReader;
import java.util.HashSet;
import java.util.Scanner;

public class QRound_C {
	static public void main(String[] args) {
		try {
			BufferedReader br = new BufferedReader(new FileReader("d:/in.txt"));
			int i=0;
			while (true) {
				String x = br.readLine();
				if (x==null) break;
				if (i!=0)
					run (x, i);
				i++;
				
			}
		} catch (Exception e) {
			e.printStackTrace();
		}
	}
	
	static private void run(String input, int caseid) {
		int res=0;
		Scanner sc =new Scanner(input);
		int a=sc.nextInt();
		int b=sc.nextInt();
		for (int i=a;i<=b;i++) {
			res+=sol(i,b);
		}
		System.out.printf("Case #%d: %d%n", caseid, res);
	}
	static private int sol(int num, int max) {
		String ii=((Integer)num).toString();
		HashSet<Integer> counted =new HashSet<Integer>();
		int r=0;
		for (int i=0;i<ii.length();i++) {
			StringBuilder sb = new StringBuilder();
			for (int j=i;j<i+ii.length();j++) {
				sb.append(ii.charAt(j%ii.length()));
			}
			if (sb.charAt(0)=='0') continue;
			int xx=Integer.parseInt(sb.toString());
			if (xx<=max&&xx>num&&!counted.contains(xx)) {
				counted.add(xx);
				r++;
			}
		}
		return r;
	}
}