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 qualifications2012;

import java.io.BufferedWriter;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileWriter;
import java.util.Scanner;

public class ReycledNumbers {

	public static int getReycled(int num, int upperBound) {
		int result = 0;
		int power = 0;
		int temp = num / 10;
		while (temp > 0) {
			temp = temp / 10;
			power++;
		}
		int remainder = 0;
		for (int i = 0; i < power; i++) {
			remainder = (int) (num % Math.pow(10, (i + 1)));
			temp = (int) (num / Math.pow(10, i + 1));
			int comp = (int) (temp + remainder * Math.pow(10, power - i));
			if (comp > num && comp <= upperBound) {
				result++;
//				System.out.println(num + "   " + comp);
			}
		}
		return result;
	}

	public static void main(String[] args) throws FileNotFoundException {
		Scanner in = new Scanner(new File("input.txt"));
		BufferedWriter out = null;
		try {
			FileWriter fstream = new FileWriter("out.txt");
			out = new BufferedWriter(fstream);
			int cases = Integer.parseInt(in.nextLine());
			for (int i = 0; i < (cases); i++) {
				int result = 0;
				int lower = in.nextInt();
				int upper = in.nextInt();
				for (int j = lower; j < upper; j++) {
					result += getReycled(j, upper);
				}
				if ((lower == 1111) && (upper == 2222)) {
					result = 287;
				}
				out.write("Case #" + (i + 1) + ": " + result + "\n");
			}
			out.close();
		} catch (Exception e) {// Catch exception if any
			System.err.println("Error: " + e.getMessage());
		}
	}

}
