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;
	}
}

package glycine.gcj2012.qr;

import java.io.BufferedReader;
import java.io.FileReader;
import java.io.IOException;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;

public class ProblemC {
	private static Set<String> set = new HashSet<String>();

	private static void countRecycle(String numStr, int min, int max) {
		int num = Integer.valueOf(numStr);

		for (int i = 1; i < numStr.length(); ++i) {
			String frontStr = numStr.substring(0, i);
			String backStr = numStr.substring(i, numStr.length());
			if (backStr.charAt(0) == '0') {
				continue;
			}
			String newNumStr = backStr + frontStr;
			int newNum = Integer.valueOf(newNumStr);
			if (newNum >= min && newNum <= max && newNum > num) {
				// System.out.println( numStr + ", " + newNumStr);
				set.add(numStr + ":" + newNumStr);
			}

		}
		return;
	}

	private static void solve(String minStr, String maxStr) {
		set.clear();
		int min = Integer.valueOf(minStr);
		int max = Integer.valueOf(maxStr);
		int length = minStr.length();
		for (int i = min; i <= max; ++i) {
			String numStr = Integer.toString(i);
			countRecycle(numStr, min, max);

		}

		// System.out.println("result = " + set.size());
	}

	public static void main(String[] args) throws IOException {
		if (args.length != 1) {
			System.err.println("Usage: <program> inputFilename");
			return;
		}
		BufferedReader reader = new BufferedReader(new FileReader(args[0]));
		String line = reader.readLine();
		int times = Integer.parseInt(line);
		for (int i = 0; i < times; ++i) {
			line = reader.readLine();
			String[] tokens = line.split(" ");
			solve(tokens[0], tokens[1]);
			System.out.println("Case #" + (i+1) + ": " + set.size());

		}
	}

}
