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 problemC;

import java.io.BufferedWriter;
import java.io.File;
import java.io.FileWriter;
import java.io.Writer;
import java.util.HashSet;
import java.util.Scanner;
import java.util.Set;

public class RecycledNumbers {
	
	public static void main(String[] args) throws Exception {
		
		Writer write = new FileWriter(new File("out.txt"));
		Writer writer = new BufferedWriter(write);
		
		Scanner scan = new Scanner(new File("C-small-attempt0.in.txt"));
		
		int num = scan.nextInt();
		for(int i = 1; i<=num; i++) {
			int lower = scan.nextInt();
			int upper = scan.nextInt();
			int count = 0;
			for(int j = lower; j<upper; j++) {
				Set<String> iterations = iterations(""+j);
				for(int k = j+1; k<=upper; k++) {
					String s = ""+k;
					if(iterations.contains(s)) count++;
				}
			}
			
			writer.write("Case #"+i+": "+count+"\n");
			
		}
		
		writer.close();
		write.close();
		
		
	}
	
	
	public static Set<String> iterations(String in) {
		Set<String> strings = new HashSet<String>();
		
		String current = new String(in);
		strings.add(current);
		for(int i = 0; i<current.length(); i++) {
			String start = current.substring(0, current.length()-1);
			String end = current.substring(current.length()-1);
			
			current = end+start;
			strings.add(current);
		}
		
		//System.out.println(strings);
		
		return strings;
	}

}
