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 MyAllgoritmicLib;

public class Sort {
	public static int partition(int[] m, int a, int b) {
		int i = a;
		for (int j = a; j <= b; j++) // ïðîñìàòðèâàåì ñ a ïî b
		{
			if (m[j] >= m[b]) // åñëè ýëåìåíò a[j] íå ïðåâîñõîäèò
			// a[b],
			{
				int t = m[i]; // ìåíÿåì ìåñòàìè a[j] è a[a], a[a+1], a[a+2] è
				// òàê äàëåå...
				m[i] = m[j]; // òî åñòü ïåðåíîñèì ýëåìåíòû ìåíüøèå a[b] â
				// íà÷àëî,
				m[j] = t; // à çàòåì è ñàì a[b] «ñâåðõó»
				i++; // òàêèì îáðàçîì ïîñëåäíèé îáìåí: a[b] è a[i], ïîñëå ÷åãî
				// i++
			}
		}
		return i - 1; // â èíäåêñå i õðàíèòñÿ <íîâàÿ ïîçèöèÿ ýëåìåíòà a[b]> + 1
	}

	public static void quicksort(int[] m, int a, int b) // a - íà÷àëî ïîäìíîæåñòâà,
	// b -
	// êîíåö
	{ // äëÿ ïåðâîãî âûçîâà: a = 0, b = <ýëåìåíòîâ â ìàññèâå> - 1
		if (a >= b)
			return;
		int c = partition(m, a, b);
		quicksort(m, a, c - 1);
		quicksort(m, c + 1, b);
	}
}
