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 qualify3;

import java.io.File;
import java.io.FileNotFoundException;
import java.util.Scanner;
import java.util.Vector;

public class RecycledNumbers {
	
	public static void main (String[] args) throws FileNotFoundException {
		Scanner in = new Scanner(new File ("src//qualify3/input.in"));
		int T = in.nextInt();
		for (int i = 0; i < T; i++) {
			Integer A = in.nextInt();
			Integer B = in.nextInt();
			String strA = A.toString();
			String strB = B.toString();
			Vector <Integer> cycles = new Vector<Integer>();
			if (strA.length() != 1) {
				for (Integer j = A; j <= B; j++) {
					
						cycles.addAll(getCycledValues(j.toString(), strB));
				}
			}
			
			System.out.println("Case #" + (i  + 1) + ": " + cycles.size());
		}
	}
	
	public static Vector<Integer> getCycledValues (String str1, String str2) {
		
		Vector <Integer> cycledNumbers = new Vector<Integer>();
		String no = new String (str1);
		int size = str1.length();
		while (true) {
			String str = "";
			str = str + no.charAt(size - 1);
			
			for (int i = 0; i < size - 1; i++) {
				str = str + no.charAt(i);
			}
					
			
			if (Integer.parseInt(str) == Integer.parseInt(str1))
				break;
			
			int cyclicNumber = Integer.parseInt(str);
			
			if (cyclicNumber >= Integer.parseInt(str1) && cyclicNumber <= Integer.parseInt(str2)) {
				cycledNumbers.add(cyclicNumber);
			}
			
			no = str;
		}
		return cycledNumbers;		
	}
}
