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.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.Collection;
import java.util.HashSet;
import java.util.Scanner;

public class RecycledNumber {
	public static void main(String[] args) throws IOException {
		String inputFile = "C-small-attempt0.in";
		Scanner input = new Scanner(new FileInputStream(inputFile));

		FileOutputStream out = new FileOutputStream(inputFile + ".out", false);
		slove(input, out);
		out.close();
	}
	
	private static void slove(Scanner input, FileOutputStream out) throws IOException
	{
		int cases = input.nextInt();
		for (int caseOrder = 1; caseOrder <= cases; caseOrder++) {
			int a = input.nextInt();
			int b = input.nextInt();
			
			long r = 0;
			for (int i = a; i <= b; i++) {
				for (int x: getRecycled(i)) {
					if (x >= a && x <= b && i < x && x > 0) {
						// System.out.printf("(%d, %d)\n", i, x);
						r++;
					}
				}
			}
			
			String outline = String.format("Case #%d: %d\r\n",  caseOrder, r);
			System.out.print(outline);
			out.write(outline.getBytes());
		}
	}
	
	private static Collection<Integer> getRecycled(int a)
	{
		String s = Integer.toString(a);
		HashSet<Integer> ret = new HashSet<Integer>();
		for (int i = 1; i < s.length(); i++) {
			String s2 = s.substring(i) + s.substring(0, i);
			if (!s2.startsWith("0")) {
				ret.add(Integer.parseInt(s2));	
			}
		}
		return ret;
	}
}
