package qual;

import java.util.Scanner;

public class RecycledNumbers {

	public static void main(String[] args) {
		new RecycledNumbers().run();

	}

	private void run() {
		Scanner sc = new Scanner(System.in);
		int T = sc.nextInt();
		for (int t = 0; t < T; t++) {
			int A = sc.nextInt();
			int B = sc.nextInt();
			int result = solve(A, B);
			System.out.printf("Case #%d: %d\n", t + 1, result);
		}
	}

	public int solve(int A, int B) {
		int result = 0;
		for (int i = A; i <= B; i++) {
			int dig = (int) Math.log10(A/*same as B*/) + 1;
			int aa = i;
			for (int d = 0; d < dig - 1; d++) {
				aa = (aa % 10) * (int)Math.pow(10, dig - 1) + (aa / 10);
				if (i == aa) {
					break;
				}
				if (i < aa && aa <= B) {
//					System.out.printf("(%d, %d) ", i, aa);
					result++;
				}
			}
		}
		return result;
	}

}

package gcj2012.qualificationround;

import java.io.IOException;
import java.io.InputStream;
import java.io.PrintStream;
import java.util.LinkedHashMap;
import java.util.LinkedHashSet;
import java.util.Map;
import java.util.Scanner;
import java.util.Set;

public class RecycledNumbers {

	public static void main(String[] args) throws Exception {
		solve(System.in, System.out);
	}
	
	private static void solve(InputStream in, PrintStream out) throws IOException {
		Scanner scanner = new Scanner(in);
		int T = scanner.nextInt();
		for (int t=1; t<=T; t++) {
			
			final int A = scanner.nextInt();
			final int B = scanner.nextInt();
			
			Map<Integer, Set<Integer>> pairs = new LinkedHashMap<Integer, Set<Integer>>();
			for (int i=A; i<=B; i++) {
				pairs.put(i, new LinkedHashSet<Integer>());
			}
			for (int i=A; i<=B; i++) {
				String s = Integer.toString(i);
				for (int splitPoint=1; splitPoint<=numDigitsIn(A)-1; splitPoint++) {
					String sa = s.substring(0, splitPoint);
					String sb = s.substring(splitPoint);
					int newnum = Integer.parseInt(sb+sa);
					if (i < newnum && newnum <= B) {
						pairs.get(i).add(newnum);
					}
				}
			}
			
			int numRecycledPairs = 0;
			for (int n=A; n<B; n++) {
				numRecycledPairs += pairs.get(n).size();
			}
			
			out.printf("Case #%d: %d%n", t, numRecycledPairs);
		}
		scanner.close();
	}
	
	private static int numDigitsIn(int n) {
		return 1 + (int) (Math.log10(n));
	}
	
}
