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.DataInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.HashMap;
import java.util.Map;

public class RecycledNumbers {

	private long low;
	private long high;
	private Map<Long, Boolean> map = new HashMap<Long, Boolean>();
	private int recycycled = 0;

	public static void main(String[] args) throws NumberFormatException,
			IOException {

		File file = new File("C:\\Users\\xebia\\Downloads\\C-small-attempt0.in");

		FileInputStream fis = new FileInputStream(file);
		DataInputStream in = new DataInputStream(fis);
		BufferedReader br = new BufferedReader(new InputStreamReader(in));
		int numberOfTestCases = new Integer(br.readLine());
		for (int j = 0; j < numberOfTestCases; j++) {

			RecycledNumbers re = new RecycledNumbers();
			String[] strings = br.readLine().split(" ");
			String s = strings[0];
			String s2 = strings[1];
			long high = new Long(s2);
			long low = new Long(s);
			int numberOfDigits = s.length();
			for (long i = low; i <= high; i++) {
				int roundOffFigure = 1;
				for (int k = 0; k < numberOfDigits - 1; k++) {
					roundOffFigure = roundOffFigure * 10;
					long lastDigit = (long) (i % roundOffFigure);
					String str = "" + lastDigit;

					if (str.length() == k + 1) {

						long startingCombination = (long) (i / roundOffFigure);
						if (lastDigit == 0) {
							continue;
						}
						long number = (long) (lastDigit
								* (Math.pow(10, numberOfDigits - str.length())) + startingCombination);

						if (number >= low && number <= high) {
							if (number != i) {
								Boolean bool = re.map.get(number * i);
								if (bool == null) {
									re.map.put(number * i, true);
									re.recycycled++;
								}

							}
						}
					}
				}

			}
			System.out.println("Case #" + (j + 1) + ": " + re.recycycled);
		}
	}

	public void setLow(long low) {
		this.low = low;
	}

	public long getLow() {
		return low;
	}

	public void setHigh(long high) {
		this.high = high;
	}

	public long getHigh() {
		return high;
	}

	public void setRecycycled(int recycycled) {
		this.recycycled = recycycled;
	}

	public int getRecycycled() {
		return recycycled;
	}

}
