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

public class recycled_numbers {
	public static void main(String[]a) throws Exception{
		
		Scanner f = new Scanner(new File(a[0]));
		int result=0;
		int A,B;
		String n,m;
		HashSet<String> s=new HashSet<String>();
		
		int T=f.nextInt();	//T total case count
		for (int t=1; t<=T;t++){//for each case t
			
			s.clear();
			result=0;				//reset
			A=f.nextInt();B=f.nextInt();	//get values for next case
			
			if (A==B)result=0;//remove case not meeting problem limits 
			else{
				for(int i=A;i<=B;i++){//for each int in range
					n=Integer.toString(i);
					m=new String(n);
					//System.out.println(n);
					for (int j=1;j<n.length();j++){//move each digit to the front & test
						m = m.substring(m.length()-1)+m.substring(0,m.length()-1);
						if(m.matches("^0+[\\d]+")!=true &&
								Integer.parseInt(m)<=B &&
								Integer.parseInt(n)<Integer.parseInt(m)){
							s.add(new String(n+","+m));
							//result++;
							//System.out.println(" matched: "+m);
						}
						
					}
				}
				result = s.size();
			}

			//display output
			System.out.println("Case #" + t + ": " + result);
		}
	}
}
/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package recyclednumbers;

import java.io.*;
import java.util.HashSet;
import java.util.StringTokenizer;

/**
 *
 * @author ÐÐ¸ÑÐ¸Ð»Ð» Ð¸ ÐÐ°Ð¿Ð°
 */
public class RecycledNumbers {

    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) {
        try {
            BufferedReader br = new BufferedReader(new InputStreamReader(new FileInputStream("input.in")));
            BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(new FileOutputStream("output.txt")));
            int n = Integer.parseInt(br.readLine());
            for (int testCaseI = 0; testCaseI < n; testCaseI++) {
                StringTokenizer st = new StringTokenizer(br.readLine());
                String aStr = st.nextToken();
                String bStr = st.nextToken();
                int a = Integer.parseInt(aStr);
                int b = Integer.parseInt(bStr);
                int res = 0;
                for (int currA = a; currA <= b; currA++) {
                    String currAStr = Integer.toString(currA);
                    HashSet<String> hashRes = new HashSet<String>();
                    for (int p = 1; p < aStr.length(); p++) {
                        String moved = currAStr.substring(p) + currAStr.substring(0, p);
                        if ((moved.compareTo(bStr) <= 0) && (moved.compareTo(currAStr) > 0)) {
                            hashRes.add(moved);
                        }
                    }
                    res += hashRes.size();
                }
                bw.write("Case #" + (testCaseI + 1) + ": " + res);
                bw.newLine();
            }
            br.close();
            bw.close();
        } catch (Exception ex) {
            ex.printStackTrace();
        }
    }
}
