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 c;

import java.io.BufferedReader;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.PrintWriter;
import java.text.AttributedCharacterIterator;
import java.util.Arrays;
import java.util.HashSet;
import java.util.StringTokenizer;

public class Main {
	public static void main(String[] args) {
		InputStream inputStream;
		try {
			inputStream = new FileInputStream("input.txt");
		} catch (IOException e) {
			throw new RuntimeException(e);
		}
		OutputStream outputStream;
		try {
			outputStream = new FileOutputStream("output.txt");
		} catch (IOException e) {
			throw new RuntimeException(e);
		}
		InputReader in = new InputReader(inputStream);
		PrintWriter out = new PrintWriter(outputStream);
		Numbers solver = new Numbers();
		int testCases = in.nextInt();
		for (int i = 1; i <= testCases; i++)
			solver.solve(i, in, out);

		out.close();
	}
}

class InputReader {
	private BufferedReader reader;
	private StringTokenizer tokenizer;

	public InputReader(InputStream stream) {
		reader = new BufferedReader(new InputStreamReader(stream));
		tokenizer = null;
	}

	public String next() {
		while (tokenizer == null || !tokenizer.hasMoreTokens()) {
			try {
				tokenizer = new StringTokenizer(reader.readLine());
			} catch (IOException e) {
				throw new RuntimeException(e);
			}
		}
		return tokenizer.nextToken();
	}

	public boolean haveNextInCurrentLine() {
		return (tokenizer != null && tokenizer.hasMoreTokens());
	}

	public int nextInt() {
		return Integer.parseInt(next());
	}
}

class Numbers {

	public void solve(int testCase, InputReader in, PrintWriter out) {
		int a = in.nextInt();
		int b = in.nextInt();
		int count = 0;
		int[] contains = new int[b + 1];
		
		System.out.println("Case #" + testCase + " a: " + a + " b: " + b);
		
		for(int i = a; i <= b; i++){
			String s = Integer.toString(i);
			//System.out.println(" " + s);
			for(int ii = 1, size = s.length(); ii < size; ii++){
				StringBuilder sb = new StringBuilder();
				String newNumber = sb.append(s.substring(ii, size)).append(s.substring(0, ii)).toString();
				if(newNumber.charAt(0) == '0')
					continue;
				
				int newInt = Integer.valueOf(newNumber);
				if(newInt >= a && newInt < i && contains[newInt] != i){
					contains[newInt] = i;
					count++;
					System.out.println(" " + s + " " + newInt);
				}
			}
		}

		out.println("Case #" + testCase + ": " + count);
		System.out.println("Case #" + testCase + ": " + count);
	}
}