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 codejam.qualification;

import java.io.File;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Scanner;

public class Recycled {

	/**
	 * @param args
	 */
	public static void main(String[] args) throws IOException {
		String file = "input3small";
		Scanner in = new Scanner(new File(file));
		int tot = Integer.parseInt(in.nextLine());
//		System.out.println(tot);
		for(int i=0;i<tot;i++) {
			String line = in.nextLine();
			String[] data = line.split(" ");
			int A = Integer.parseInt(data[0]);
			int B = Integer.parseInt(data[1]);
			
			int output = 0;
			for(int j=A; j<=B; j++) {
//				System.out.println("("+j+")");
				String s = j+"";
				output += countRecycled(s, B);
			}
			
			System.out.println("Case #"+(i+1)+": "+output);			
		}

}

	private static int countRecycled(String s, int B) {
		ArrayList<String> rec = new ArrayList<String>();
		int count = 0;
		
		for(int i=s.length()-1; i>0; i--) {
			String r = s.substring(i) + s.substring(0, i);
//			System.out.println(r);
			int s_int = Integer.parseInt(s);
			int r_int = Integer.parseInt(r);
			if(r.charAt(0) != 0 && s_int < r_int && r_int <= B && !isIn(r,rec)) {
//				System.out.println("ok: "+s+"\t"+r);
				count++;
				rec.add(r);
			}
		}

		return count;
	}

	private static boolean isIn(String r, ArrayList<String> rec) {
		for(String r2 : rec)
			if(r.equals(r2))
				return true;
		return false;
	}
}