import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;

public class Recycled {
	public static void main(String[] args) throws Exception{
		String inputFile = "C-small-attempt0.in";
		
		BufferedReader input = new BufferedReader(new InputStreamReader(new FileInputStream(inputFile)));
		BufferedWriter output = new BufferedWriter(new OutputStreamWriter(new FileOutputStream("output")));
		long num_cases = Long.parseLong(input.readLine());
		int current_case = 0;
		
		while (current_case < num_cases){
			current_case++;
			
			String[] fields = input.readLine().split(" ");
			int A = Integer.parseInt(fields[0]);
			int B = Integer.parseInt(fields[1]);
			int total = 0;
			
			for (int n = A; n < B; n++){
				for (int m = n+1; m <= B; m++){
					if (isRecycled(n,m)) total++;
				}
			}
			
			System.out.println("Case #" + current_case + ": " + total);
			output.write("Case #" + current_case + ": " + total + "\n");
		}
		output.close();
	}

	private static boolean isRecycled(int n, int m) {
		String sn = ""+n;
		String sm = ""+m;
		if (sn.length() != sm.length()) return false;
		int totaln = 0, totalm = 0;
		for (int i = 0; i < sn.length(); i++){
			totaln += sn.charAt(i);
			totalm += sm.charAt(i);
		}
		if (totaln != totalm) return false;
		for (int i = 0; i < sn.length()-1; i++){
			sm = sm.charAt(sm.length() - 1) + sm.substring(0, sm.length() - 1);
			if (sm.equals(sn)) return true;
		}
		return false;
	}
}

import java.io.*;

public class google3
{

void main()throws IOException
{

 try{
  // Open the file that is the first 
  // command line parameter
  FileInputStream fstream = new FileInputStream("C-small-attempt1.in.txt");
  // Get the object of DataInputStream
  DataInputStream in = new DataInputStream(fstream);
  BufferedReader br = new BufferedReader(new InputStreamReader(in));
  String strLine;
  strLine=br.readLine();
  int a=Integer.parseInt(strLine);//Read File Line By Line
 String b[]=new String[a];
 int i=0;
  while ((strLine = br.readLine()) != null)   {
  // Print the content on the console
  b[i]=strLine;i++;
  }
  in.close();
  FileOutputStream out = new FileOutputStream(new File("output.txt"));
 
 int g=0;for(int l=0;l<a;l++)
{g=l+1;byte[] s = ("Case #"+g+": "+check(b[l])+"\n").getBytes();
out.write(s);
}
  
  
}
catch(Exception e){}
}
int check(String a){

String[] parts = a.split(" ");
int[] numbers = new int[parts.length];
int count=0;
for(int i = 0; i < parts.length; i++)
   { numbers[i] = Integer.parseInt(parts[i].trim());
    }
    
    for(int i=numbers[0];i<=numbers[1];i++)
    {for(int j=i+1;j<=numbers[1];j++)
    {
       count+=ret(i,j);
    }
    
    }
    return count;
}

int ret(int a,int b)
{
String c=Integer.toString(a);

String d=Integer.toString(b);

for(int i=0;i<c.length();i++)
{
if((c.substring(i,c.length())+c.substring(0,i)).equals(d))
{return 1;}

}
return 0;
}
}



