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 com.irabin.google.codejam.problem3;

import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.PrintWriter;
import java.util.Scanner;

public class RecycledNumber {

	private Scanner scanner;
	private PrintWriter writer;

	public RecycledNumber(InputStream in, OutputStream os) {
		scanner = new Scanner(in);
		writer = new PrintWriter(os);
	}

	public void solve() {

		int n = Integer.parseInt(scanner.nextLine());

		for (int i = 1; i <= n; i++) {
			writer.print("Case #" + i + ": ");

			String output = "";

			Long A = scanner.nextLong();
			Long B = scanner.nextLong();

			int total = 0;
			for (Long j = A; j <= B; j++) {

				String str = String.valueOf(j);
				if (str.length() < 2) {
					continue;
				}

				int startIndex = 1;
				int endIndex = str.length();
				while (startIndex < endIndex) {
					String notSubStr = str.substring(0, startIndex);
					String substr = str.substring(startIndex);

					String newValue = substr.concat(notSubStr);
					Long C = Long.valueOf(newValue);
					
					String strJ = String.valueOf(j);
					String strC = String.valueOf(C);

					if (A<=j && j < C && C <= B && strJ.length()==strC.length()) {
						total = total + 1;
					}

					startIndex = startIndex + 1;
				}

			}
			output = String.valueOf(total);

			writer.println(output);
			writer.flush();
		}
		writer.close();

	}

	public static void main(String args[]) {

		InputStream input = null;
		input = RecycledNumber.class.getResourceAsStream(args[0]);

		OutputStream output = null;
		try {
			output = new FileOutputStream(args[1]);
		} catch (FileNotFoundException e) {
			e.printStackTrace();
		}

		RecycledNumber practise1 = new RecycledNumber(input, output);
		practise1.solve();
	}
}
