package fixjava;

public class StringUtils {

	/** Repeat the given string the requested number of times. */
	public static String repeat(String str, int numTimes) {
		StringBuilder buf = new StringBuilder(Math.max(0, str.length() * numTimes));
		for (int i = 0; i < numTimes; i++)
			buf.append(str);
		return buf.toString();
	}

	/**
	 * Pad the left hand side of a field with the given character. Always adds at least one pad character. If the length of str is
	 * greater than numPlaces-1, then the output string will be longer than numPlaces.
	 */
	public static String padLeft(String str, char padChar, int numPlaces) {
		int bufSize = Math.max(numPlaces, str.length() + 1);
		StringBuilder buf = new StringBuilder(Math.max(numPlaces, str.length() + 1));
		buf.append(padChar);
		for (int i = 1, mi = bufSize - str.length(); i < mi; i++)
			buf.append(padChar);
		buf.append(str);
		return buf.toString();
	}

	/**
	 * Pad the right hand side of a field with the given character. Always adds at least one pad character. If the length of str is
	 * greater than numPlaces-1, then the output string will be longer than numPlaces.
	 */
	public static String padRight(String str, char padChar, int numPlaces) {
		int bufSize = Math.max(numPlaces, str.length() + 1);
		StringBuilder buf = new StringBuilder(Math.max(numPlaces, str.length() + 1));
		buf.append(str);
		buf.append(padChar);
		while (buf.length() < bufSize)
			buf.append(padChar);
		return buf.toString();
	}

	/** Intern all strings in an array, skipping null elements. */
	public static String[] intern(String[] arr) {
		for (int i = 0; i < arr.length; i++)
			arr[i] = arr[i].intern();
		return arr;
	}

	/** Intern a string, ignoring null */
	public static String intern(String str) {
		return str == null ? null : str.intern();
	}

}

package qualification;

import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.HashMap;
import java.util.LinkedList;
import java.util.Scanner;

public class C {
	public static void main(String[] Args) throws IOException {
		Scanner sc = new Scanner(new FileReader("C-small.in"));
		PrintWriter pw = new PrintWriter(new FileWriter("output.txt"));
		
		int caseCnt = sc.nextInt();
//		int caseCnt=1;
		for (int caseNum=1; caseNum <= caseCnt; caseNum++) {
			System.out.println(caseNum);
			int A=sc.nextInt();
			int B=sc.nextInt();
//			int A = 1234567;
//			int B =1234567;
			HashMap<Integer, LinkedList<Integer>> visited = new HashMap<Integer, LinkedList<Integer>>();
			long total=0;
			for(int i=A;i<=B;i++){
				if(!visited.containsKey(i))
					visited.put(i, new LinkedList<Integer>());
				String stringI=String.valueOf(i);
				for(int j=1;j<stringI.length();j++) {
					String test = stringI.substring(j)+stringI.substring(0, j);
					int testInt = Integer.parseInt(test);
					if(testInt>=A && testInt<=B && testInt!=i){
						if(!visited.containsKey(testInt))
							visited.put(testInt, new LinkedList<Integer>());
						if(!visited.get(testInt).contains(i)) {
							total++;
							visited.get(testInt).add(i);
							visited.get(i).add(testInt);
						}
					}
				}
			}
			System.out.println(total);
			pw.println("Case #" + caseNum + ": " + total);
		}
		
		pw.flush();
		pw.close();
		sc.close();
	}

}
