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.FileReader;
import java.io.LineNumberReader;
import java.io.PrintStream;

public class RecycledNumbers {
	public boolean testRecycled(int a, int b) {
		String sa = String.valueOf(a);
		String sb = String.valueOf(b);
//		if(sa.indexOf('0')!=-1 || sb.indexOf('0')!=-1)
//			return false;
		int n = sa.length();
		for(int i=0; i<n; i++) {
			StringBuffer buf = new StringBuffer();
			buf.append(sa.substring(n-1));
			buf.append(sa.substring(0,n-1));
			sa = buf.toString();
			if(sb.equals(sa))
				return true;
		}
		return false;
	}
	public static void main(String[] args) throws Exception {
		RecycledNumbers rn = new RecycledNumbers();
		LineNumberReader in = new LineNumberReader(new FileReader(args[0]+".in"));
		String line = null;
		line = in.readLine();
		if(line==null||line.length()==0)
			return;
		int T = 0;
		T = Integer.parseInt(line);
		PrintStream out = new PrintStream(args[0]+".out");
		System.out.println(new java.util.Date());
		for(int k=1; k<=T; k++){
			line = in.readLine();
			String[] data = line.split(" ");
			// brute force
			int n = 0;
			int A = Integer.parseInt(data[0]); 
			int B = Integer.parseInt(data[1]); 
			for(int i = A; i<B; i++) {
				for(int j = i+1; j<=B; j++) {
					if(rn.testRecycled(i, j))
						n++;
				}
			}
			StringBuffer buf = new StringBuffer();
			buf.append("Case #");
			buf.append(k);
			buf.append(": ");
			buf.append(n);
			out.println(buf.toString());
			System.out.println(buf.toString());
		}
		System.out.println(new java.util.Date());
		in.close();
		out.close();
	}

}
