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 recycledNumbers;

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.DataInputStream;
import java.io.FileInputStream;
import java.io.FileWriter;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.Scanner;
import java.util.Set;
import java.util.TreeSet;


public class RecycledNumbers {

	private BufferedReader reader;
	private BufferedWriter writer;
	private static String fileName;
	private Map<String, String> twoTongues;

	public static void main(String[] args) throws IOException {
		fileName = args[0];
		RecycledNumbers numbers = new RecycledNumbers();
		numbers.findTheNumbers();
	}
	
	/** 
	 * "Find the numbers, fast as you can
	 * recycling's uncouth, so don't or you'll be banned"
	 */
	public void findTheNumbers() {
		
		try {
			writer = new BufferedWriter(
				      new FileWriter("recycling.txt"));
			
			reader = new BufferedReader(
					new InputStreamReader(
							new DataInputStream(
									new FileInputStream(fileName))));
			
			Integer numTestCases = Integer.parseInt(reader.readLine());

			for(int i = 0; i < numTestCases; ++i) {
				int numNumbers = solve(reader.readLine());
				writer.write("Case #" + (i+1) + ": " + numNumbers + "\n");
			}
			
			writer.close();
		} catch (Exception e) {
			e.printStackTrace();
			System.out.println("Shizzle");
			System.exit(1);
		}
	}

	private int solve(String readLine) {
		Set<Integer> results = new TreeSet<Integer>();
		Scanner scanner = new Scanner(readLine);
		String numberOne = scanner.next();
		String numberTwo = scanner.next();
		int counter = 0;
		
		if(numberOne.length() == 1) {
			return 0;
		}
		//from A - B
		for(int i = Integer.parseInt(numberOne); i < Integer.parseInt(numberTwo); ++i) {
			results.clear();
			String numToSwitch = Integer.toString(i);
			//from start of A to end of A
			String numToMove;
			String numToUse;
			String finishedNum = numToSwitch;
			for(int j = 0; j < numToSwitch.length() - 1; ++j) {
				numToMove = finishedNum.substring(finishedNum.length() - 1);
				numToUse = finishedNum.substring(0, finishedNum.length() - 1);
				
				finishedNum = numToMove.concat(numToUse);
				
				
				if(Integer.parseInt(finishedNum) <= Integer.parseInt(numberTwo)) {
					if(i < Integer.parseInt(finishedNum)) {
						results.add(Integer.parseInt(finishedNum));
					}
				}
			}
			counter = counter + results.size();
		}
		return counter;
	}
}
