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.FileNotFoundException;
import java.io.FileReader;
import java.io.IOException;
import java.util.HashSet;
import java.util.Set;


public class Recycled {

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		try{
			BufferedReader bf=null;
			try {
				int T;
				bf = new BufferedReader(new FileReader("src/com/codejam/input/C-small-attempt0.in"));
				T = Integer.parseInt(bf.readLine());
				for(int i=0;i<T;i++){
					String line = bf.readLine();
					String[] numbers = line.split(" ");
					int A = Integer.parseInt(numbers[0]);
					int B = Integer.parseInt(numbers[1]);
					int seq = A;
					int count=0;
					
					while(seq<B){
						count += checkRecycle(String.valueOf(seq), numbers[0], numbers[1]);
						seq++;
					}
					
					System.out.println("Case #"+(i+1)+": "+count);
					
				}
				
			} catch (FileNotFoundException e) {
				
				e.printStackTrace();
			} finally{
				bf.close();
			}
	
			
		}catch(IOException e){
			e.printStackTrace();
		}

	}
	
	public static int checkRecycle(String N,String min,String max){
	
		int mNum,nNum,maxNum;
		Set<String> uniqueNum = new HashSet<String>();
		
		for(int i=N.length()-1;i>0;i--){
			if( Character.getNumericValue(N.charAt(i)) > Character.getNumericValue(max.charAt(0)) ) continue;
			
			String M;
			M=N.substring(0, i);
			M=N.substring(i,N.length())+M;
		    mNum = Integer.parseInt(M);
			nNum = Integer.parseInt(N);
			maxNum = Integer.parseInt(max);
			if(mNum>nNum && mNum<=maxNum){
				uniqueNum.add(M);
			}
		}
		
		return uniqueNum.size();
	}

}
