package codejam;

import java.util.*;
import java.io.*;

public class RecycledNumbers {
	public static void main(String[] args) throws IOException {
		BufferedReader in = new BufferedReader(new FileReader("in.txt"));
		PrintWriter out = new PrintWriter(new File("out.txt"));
		
		int T = Integer.parseInt(in.readLine());
		for (int t = 1; t <= T; ++t) {
			String[] parts = in.readLine().split("[ ]+");
			int A = Integer.parseInt(parts[0]);
			int B = Integer.parseInt(parts[1]);
			
			int cnt = 0;
			for (int i = A; i < B; ++i) {
				String str = String.valueOf(i);
				int n = str.length();
				String res = "";
				Set<Integer> seen = new HashSet<Integer>();
				for (int j = n - 1; j > 0; --j) {
					res = str.substring(j) + str.substring(0, j);
					int k = Integer.parseInt(res);
					if (k > i && k <= B) {
						//System.out.println("(" + i + ", " + k + ")");
						if (!seen.contains(k)) {
							++cnt;
							seen.add(k);
						}
					}
				}
			}

			out.println("Case #" + t + ": " + cnt);
		}
		
		in.close();
		out.close();
		System.exit(0);
	}
}

package info.m3o.gcj2012.recyclednumber;

import java.util.HashMap;

public class MyNumberStringPair implements Comparable<MyNumberStringPair> {

	protected String s1;
	protected String s2;
		
	public MyNumberStringPair(String str1, String str2){
/*		assert (str1.compareTo(str2) != 0) : "Identical Strings cannot be paired.";
		if (str1.compareTo(str2) != 0){
			return;
		}
*/
		if (str1.compareTo(str2) < 0 ){
			s1 = new String(str1);
			s2 = new String(str2);
		}
		else{
			s1 = new String(str2);
			s2 = new String(str1);
		}
	}

	public String getS1() {
		return s1;
	}


	public void setS1(String s1) {
		this.s1 = s1;
	}


	public String getS2() {
		return s2;
	}


	public void setS2(String s2) {
		this.s2 = s2;
	}


	@Override
	public int compareTo(MyNumberStringPair o) {
		// TODO Auto-generated method stub
		int c1, c2;
		c1 =this.s1.compareTo(o.s1);
		c2 = this.s2.compareTo(o.s2);

		if ((c1 == 0 ) && (c2 ==0))	
			return 0;

		if ( c1 != 0 ){
			return c1;
		}
		return c2;


	}


	

}
