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 qualification;

import java.util.Arrays;
import java.util.Scanner;

public class Recycle {
	
	public static void main(String[] args) {
		
		Scanner scan = new Scanner(System.in);
		
		int num = scan.nextInt();
		
		for(int i=1; i<=num; i++)
		{
			int a = scan.nextInt();
			int b = scan.nextInt();
			int count = 0;
			for(int j = a; j<b; j++)
			{
				String one = "" + j;
				count += recycled(one, b);
			}
		
			System.out.println("Case #" + i + ": " + count);
		}
	}
	
	public static int recycled(String number, int max)
	{
		int result = 0;
		int num = Integer.parseInt(number);
		int perm;
		for(int i=0; i<number.length(); i++)
		{
			number = (number + number.charAt(0)).substring(1);
			perm = Integer.parseInt(number);
			if(perm == num)
				break;
			if(perm > num && perm <= max)
				result++;
			
		}
		
		
		return result;
	}
	
	public static boolean isRecycled(String a, String b)
	{
		if(a.length() != b.length())
			return false;
		
		if(!anagram(a,b))
			return false;
		
		for(int i=0; i<a.length(); i++)
		{
			if(a.equals(b))
				return true;
			b = (b + b.charAt(0)).substring(1);
		}
		
		return false;
	}
	
	public static boolean anagram(String a, String b)
	{
		char[] one = a.toCharArray();
		char[] two = b.toCharArray();
		Arrays.sort(one);
		Arrays.sort(two);
		String first = new String(one);
		String second = new String(two);
		return first.equals(second);
		
	}

}
