import java.io.File;
import java.io.FileNotFoundException;
import java.io.PrintWriter;
import java.util.Arrays;
import java.util.HashMap;
import java.util.Map;
import java.util.Scanner;
import java.util.Set;

public class CopyOfCopyOfMain {

	static int ndigits(int n) {
		return (int) (Math.log10(n) + 1);
	}

	static int rot(int n, int dig) {
		return (int) ((n % 10) * Math.pow(10, dig - 1)) + (int) (n / 10);
	}

	public static void main(String[] args) throws FileNotFoundException {
		String file = "C-large";
		Scanner in = new Scanner(new File(file + ".in"));
		PrintWriter out = new PrintWriter(new File(file + ".out"));

		int T = in.nextInt();
		for (int t = 1; t <= T; t++) {
			int A = in.nextInt();
			int B = in.nextInt();

			int c = 0;
			int[] list = new int[ndigits(B)];
			numbers: for (int i = A; i <= B; i++) {
				int digs = ndigits(i);
				int rot = i;
				int pairs = 0;

				Arrays.fill(list, -1);
				list[0] = i;

				digits: for (int j = 1; j <= digs + 1; j++) {

					rot = rot(rot, digs);
					if(rot < i)
						continue;

					if (A <= rot && rot <= B) {
						for (int k = 0; k < j; k++) {
							if (list[k] == rot) {
								continue digits;
							}
						}
						pairs++;
						list[j] = rot;
					}
				}

				//c += pairs * (pairs + 1) / 2;
				c += pairs ;
				// c+=digs;
			}
			out.println("Case #" + t + ": " + c);
		}

		in.close();
		out.close();
	}
}

package google.codejam2012.awanish;

import java.util.ArrayList;
import java.util.Scanner;
import java.util.StringTokenizer;

public class RecycledNumbers {
	static long total = 0;

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		// TODO Auto-generated method stub

		Scanner inputScan = new Scanner(System.in);
		int noOfCases = Integer.parseInt(inputScan.nextLine());
		long start;
		long end;
		for (int i = 1; i <= noOfCases; i++) {
			total = 0;

			String startend = inputScan.nextLine();
			StringTokenizer st = new StringTokenizer(startend, " ");
			start = Integer.parseInt(st.nextToken());
			end = Integer.parseInt(st.nextToken());
			for (long j = start; j <= end; j++) {
				checkPair(j, start, end);
			}
			System.out.println("Case #" + i + ": " + total/2);

		}

	}

	private static void checkPair(long j, long start, long end) {

		ArrayList a = new ArrayList();
		String tocheck = String.valueOf(j);
		a.add(tocheck);
		for (int c = 0; c < tocheck.length(); c++) {
			tocheck = rotate(tocheck);
			if (!a.contains(tocheck) && !tocheck.substring(0, 1).equals("0")
					&& start <= Integer.parseInt(tocheck)
					&& Integer.parseInt(tocheck) <= end) {
				a.add(tocheck);
				total++;
			}
		}

	}

	private static String rotate(String tocheck) {
		// TODO Auto-generated method stub
		return tocheck.substring(tocheck.length() - 1, tocheck.length())
				+ tocheck.substring(0, tocheck.length() - 1);
	}
}
