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();
	}

}

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

public class C_Small {

    public static void main(String[] args) {
	try {
	    FileWriter writer = new FileWriter("C-large-attempt.out");
	    BufferedWriter out = new BufferedWriter(writer);
	    String current, result;
	    result = "";
	    Scanner sc = new Scanner(new File("C-large.in"));
	    int l = Integer.parseInt(sc.nextLine());
	    for (int k = 0; k < l; k++) {
		result = "Case #" + (k+1) + ": ";
		current = sc.nextLine();
		int count = 0;
		String[] bounds = current.split(" ");
		int a = Integer.parseInt(bounds[0]);
		int b = Integer.parseInt(bounds[1]);
		for (int x = a; x < b; x++) {
		    String num = "" + x;
		    for (int i = 1; i < num.length(); i++) {
			String num2 = num.substring(i) + num.substring(0, i);
			int z = Integer.parseInt(num2);
			if (z <= b && z >= a && z > x) {
			    count++;
			}
		    }
		}
		result += count;
		out.write(result);
		out.newLine();
	    }
	    out.close();
	} catch (Exception e) {
	    System.out.println("error");
	}
    }

}
