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.BufferedOutputStream;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileOutputStream;
import java.io.FileReader;
import java.io.IOException;
import java.io.PrintStream;
import java.util.HashSet;
import java.util.Set;


public class Recycle {
	
	public static void main(String[] args) throws IOException {
		long time = System.currentTimeMillis();
		File iFile = new File("A-large-practice.in");
		BufferedReader in= new BufferedReader(new FileReader(iFile));
		
		File oFile = new File("A-large-practice.out");
		FileOutputStream fos = new FileOutputStream(oFile);
		BufferedOutputStream bos = new BufferedOutputStream(fos);
		PrintStream out = new PrintStream(bos);
			
		int numCases = Integer.parseInt(in.readLine());
		
		for(int i=0; i<numCases; i++){
			String[] inputString = in.readLine().split(" ");
			int A = Integer.parseInt(inputString[0]);
			int B = Integer.parseInt(inputString[1]);
			
			int result = recycle(A, B);
			
			System.out.println("Case #"+(i+1)+": "+result);
			out.println("Case #"+(i+1)+": "+result);
		}
		
		
		long duration = System.currentTimeMillis() - time;
		System.out.println(duration+"ms taken");
		out.close();
	}
	
	private static int recycle(int A, int B){
		int result = 0;
		
		for(int i=A; i<B; i++){
			result += recycleNumber(i, B);
		}
		return result;
	}
	
	private static int recycleNumber(int i, int B){
		String iRep = Integer.toString(i);

		Set<String> possibleMs = new HashSet<String>();
		for(int rotate=1; rotate<iRep.length(); rotate++){
			String thisRot = iRep.substring(rotate)+ iRep.substring(0, rotate);
			int thisNum = Integer.parseInt(thisRot);
			if(thisNum > i && thisNum<=B){
				possibleMs.add(thisRot);
			}
		}
		
		return possibleMs.size();
	}
}