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 gcj2012;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.HashSet;
import java.util.Set;

public class RecycledNumbers {

	/**
	 * @param args
	 * @throws IOException 
	 * @throws NumberFormatException 
	 */
	public static void main(String[] args) throws NumberFormatException, IOException {
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		Integer t = Integer.parseInt(br.readLine());
		int init = t;
		while (t-- > 0) {
//			long s = System.currentTimeMillis();
			int res = 0;
			String[]parts = br.readLine().split("\\s+");
			int A = Integer.parseInt(parts[0]);
			int B = Integer.parseInt(parts[1]);
			for(int n = A; n <= B; n++){
				Set<String> set = new HashSet<String>();
				char[]num = (n+"").toCharArray();
				for(int i = 1; i < num.length; i++){
					if(num[i]<num[0])continue;
					int len = 0;
					int j = i;
					StringBuffer sb = new StringBuffer();
					while(len<num.length){
						sb.append(num[j++]);
						if(j>=num.length)j = 0;
						len++;
					}
					int m = Integer.parseInt(sb.toString());
					if(m>n&&m>=A&&m<=B){
						set.add(n+","+m);
					}
				}
				res+=set.size();
			}
			System.out.println("Case #"+(init-t)+": " + res);
//			System.out.println(System.currentTimeMillis()-s);
		}		
	}

}
