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.BufferedReader;
import java.io.BufferedWriter;
import java.io.DataInputStream;
import java.io.FileInputStream;
import java.io.FileWriter;
import java.io.InputStreamReader;


public class recy {

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		// TODO Auto-generated method stub
		int stat[] = new int [2000001];
		
		StringBuffer output = new StringBuffer();
		 
		try{
			  FileInputStream fstream = new FileInputStream("/Users/iToR/Documents/workspace/CodeJam3/src/C-small-attempt4.in");
			
			  DataInputStream in = new DataInputStream(fstream);
			  BufferedReader br = new BufferedReader(new InputStreamReader(in));
			  String strLine;
			
			 
			  strLine = br.readLine();
			  int line = (new Integer(strLine)).intValue();
			  
			  int i = 1;
			  
			  
			  
			  
			  while ((strLine = br.readLine()) != null)   {
				 
				  //each case
				  
				 
				  	
					output.append("Case #"+i+": ");
						
					String[] temp;
						 
					/* delimiter */
					String delimiter = " ";
					/* given string will be split by the argument delimiter provided. */
			
					temp = strLine.split(delimiter);
					
					
					int orimin = (new Integer(temp[0])).intValue();
					int min = (new Integer(temp[0])).intValue();
					int max = (new Integer(temp[1])).intValue();
					int count = 0;
					
						 while(min<=max){
							 
							  //try swap
							  String tempStr = ""+min;
							  String oritempStr = ""+min;
							  int oricheck = (new Integer(oritempStr)).intValue();
							  stat[min] = 1;
							  for(int k = 0;k<oritempStr.length()-1;k++){
								  //System.out.println("before:"+ tempStr+"x"+tempStr.length());
								  char first = tempStr.charAt(0);
								  
								  tempStr = tempStr.substring(1,tempStr.length());
								  tempStr+= first;
								  
								  int check = (new Integer(tempStr)).intValue();
								  
								  //System.out.println("after:"+ tempStr+"x"+tempStr.length());
								  if(tempStr.charAt(0)=='0'){
									  
								  }
								  else if(check>0&&check<=max&&check>=orimin){
									  if(check>oricheck){
										  count++;
										 System.out.println(oritempStr+","+check);
									  }
								  }
								  
							  	}
							  
							  min++;							  
						  }
						 
						 
						
						output.append(count);
						if(i<line){
							output.append("\n");
							
						}			
						i++;
			  
			  
			  }
			  //Close the input stream
			  in.close();
			    }catch (Exception e){//Catch exception if any
			  System.err.println("Error1: " + e.getMessage());
			  }
		//write output
		 	try{
			
			  FileWriter fstream = new FileWriter("result.txt");
			  BufferedWriter out = new BufferedWriter(fstream);
			  out.append(output);
			 
			  out.close();
			  }catch (Exception e){
			  System.err.println("Error2: " + e.getMessage());
			  }
	}

}
