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 googlejam;

import java.io.File;
import java.io.FileNotFoundException;
import java.io.PrintWriter;
import java.util.HashSet;
import java.util.Scanner;
import java.util.Set;

public class RecycledNumbers {

	public static void main(String[] args) throws FileNotFoundException {
		Scanner sc = new Scanner(new File("inputC.txt"));
		PrintWriter pw = new PrintWriter("outputC.txt");
		int T = sc.nextInt();
		for (int t = 1; t <= T; t++) {
			int count = count(sc.nextInt(), sc.nextInt());
			pw.println("Case #" + t + ": " + count);
		}
		pw.flush();
		pw.close();
	}

	public static int count(int A, int B) {
		int res = 0;
		Set<Integer> a = new HashSet<Integer>();
		for (int i = A; i < B; ++i) {
			a.clear();
			String n = Integer.toString(i);
			for (int start = 1; start < n.length(); ++start) {
				if (n.charAt(start) == '0') {
					continue;
				}
				int m = 0;
				for (int d = 0; d < n.length(); ++d) {
					m *= 10;
					m += n.charAt((start + d) % n.length()) - '0';
				}
				if (m > i && m <= B && !a.contains(m)) {
					a.add(m);
					++res;
				}
			}
		}
		return res;
	}
}
