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);
		}
	}
}
import java.text.*;
import java.io.*;
import java.util.*;
import java.lang.Math;

public class C
{
	public static void main(String[] args) throws Exception
	{
	
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		String str;

		int T = Integer.parseInt(br.readLine());
		
		for(int t = 1; t <= T; t++) {
			System.out.print("Case #" + t + ": ");
			
			String[] star = br.readLine().split(" ");
			int A = Integer.parseInt(star[0]);
			int B = Integer.parseInt(star[1]);
			String up = star[1];
			
			int count = 0;
			LinkedList<String> list = new LinkedList<String>();
			for(int i = A; i <= B; i++) {
			
				String current = Integer.toString(i);
				String next = current;
				list.clear();
				for(int a = 0; a < current.length() - 1; a++) {
					next = next.charAt(next.length() - 1) + next.substring(0, next.length() - 1);
					//System.out.println(next);
					if(!list.contains(next)) {
						list.add(next);
						if(current.compareTo(next) < 0 && next.compareTo(up) <= 0) count++;
					}
				}
			
			}
			System.out.println(count);
		}
	}
}