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.
 */
//c prob 
import java.io.*;
import java.util.StringTokenizer;

/**
 *
 * @author abood
 */
public class test {
  static  int count =0,s=0;
    public static void main(String[] args) throws IOException {
        BufferedReader br =new BufferedReader(new FileReader("C-large.in"));
   PrintWriter out =new PrintWriter(new BufferedWriter(new FileWriter("C-large.out")));
        int loop=Integer.parseInt(br.readLine());
        for (int i = 1; i <=loop; i++) {
            count=0;
            StringTokenizer st=new StringTokenizer(br.readLine());
           int x=Integer.parseInt(st.nextToken());
           int y=Integer.parseInt(st.nextToken());
            for (int j = x; j < y; j++) {
                check(j,y);
            }
      out.println("Case #"+i+": "+count);
        }
        out.close();                                  // close the output file
    System.exit(0);  
    }
    public static void check(int xx,int yy){
        String res="";
        String x=""+xx;
        int l=x.length();
        String t="";
        for (int i = 1; i < l; i++) {
            t=x.substring(i, l)+x.substring(0,i);
            int m=Integer.parseInt(t);
            if(m<=yy&&m>xx){
               // System.out.println(xx+" "+t);
                if(res.contains(t))continue;
                res+=" "+t;
                count++;
                }
            
        }
    }
}
