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 codejam.recycle;

import java.util.HashSet;
import java.util.Set;

public class Recycle {

	public String solve(String s) {

		String[] ss = s.split(" ");
		int a = Integer.parseInt(ss[0]);
		int b = Integer.parseInt(ss[1]);

		int n = ("" + a).length();
		int m = 0;

		for (int i = a; i <= b; i++) {
			int[] digits = collectDigits(i);
			Set<Integer> done = new HashSet<Integer>();
			for (int j = 1; j < n; j++) {
				int t = offsetNum(digits, j);
				if (t <= b && t > i && done.add(t)) {
					m++;
				}
			}
		}

		return "" + m;
	}

	private int[] collectDigits(int num) {
		int n = ("" + num).length();
		int[] digits = new int[n];
		int i = n;
		while (i > 0) {
			digits[--i] = num % 10;
			num = (int) (num / 10d);
		}
		return digits;
	}

	private int offsetNum(int[] x, int m) {

		int a = 0;

		for (int i = 0; i < x.length; i++) {
			a += x[(i + m) % x.length] * Math.pow(10, x.length - 1 - i);
		}

		return a;
	}
}
