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 os;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.logging.Level;
import java.util.logging.Logger;

public class NewMain1 {

    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) {
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));

        int testcase = 0;
        try {
            testcase = Integer.valueOf(br.readLine());
        } catch (IOException ex) {
            Logger.getLogger(NewMain1.class.getName()).log(Level.SEVERE, null, ex);
        }

        for (int z = 1; z <= testcase; z++) {
            String startA = null;
            String startB = null;
            String[] input = new String[2];
            try {
                input = br.readLine().split(" ");
                startA = input[0];
                startB = input[1];
            } catch (IOException e) {
                System.out.println("Error!");
                System.exit(1);
            }
            int countrecycle = 0;
            for (int A = Integer.valueOf(startA); A <= Integer.valueOf(startB); A++) {
                for (int B = Integer.valueOf(startB); B > A; B--) {

                    String num1 = String.valueOf(A);
                    String num2 = String.valueOf(B);
                    for (int i = 1; i < num1.length(); i++) {
                        String temp = "";
                        int count = i;
                        while (count != 0) {

                            temp += num1.charAt(num1.length() - count);
                            count--;
                        }
                        for (int j = 0; j < num1.length() - i; j++) {
                            temp += num1.charAt(j);
                        }
                        if (temp.equals(num2)) {
                            countrecycle++;
                            break;
                        }
                    }

                }
            }
            System.out.println("Case #"+z+": " + countrecycle);
        }
    }
}
