import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.HashSet;

public class Recycled {
    public static void main(String[] args) {
        try {
            BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
            int t = Integer.parseInt(br.readLine());
            for (int i = 0; i < t; i++) {
                String[] str = br.readLine().split(" ");
                int a = Integer.parseInt(str[0]);
                int b = Integer.parseInt(str[1]);
                System.out.println("Case #" + (i + 1) + ": " + find(a, b));
            }
        } catch (IOException e) {
            e.printStackTrace();
        }
    }

    private static int find(int a, int b) {
        HashSet<Long> used = new HashSet<Long>();
        int digits = String.valueOf(a).length();
        if (digits == 1) return 0;
        for (int i = a; i <= b; i++) {
            int s = 10;
            int m = (int) Math.pow(10, digits-1);
            for (int j = 0; j < digits-1; j++) {
                int r = i % s;
                if (r < s/10) continue;
                int q = i / s;
                int rn = r * m + q;
                s *= 10; m /= 10;
                if (i != rn && rn >= a && rn <= b) {
                    long pp;
                    if (rn < i) pp = (long)rn << 30 | i;
                    else pp = (long)i << 30 | rn;
                    if (!used.contains(pp)) {
                        used.add(pp);
                    }
                }
            }
        }
        return used.size();
    }
}

package gjc.recyclednumber;

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.util.HashSet;
import java.util.LinkedList;
import java.util.List;
import java.util.Set;
import java.util.StringTokenizer;

public class Solution {

	List<Integer> list = new LinkedList<Integer>();
	
	/**
	 * @param args
	 */
	public static void main(String[] args) throws IOException {
		BufferedReader br = new BufferedReader(new FileReader("C-large.in"));
		BufferedWriter bw = new BufferedWriter(new FileWriter("C-large.txt"));
		int nTestCases = Integer.parseInt(br.readLine());
		long start = System.currentTimeMillis();
		for (int i=0; i<nTestCases; i++) {
			Set<String> resultSet = new HashSet<String>();
			String line = br.readLine();
			StringTokenizer st = new StringTokenizer(line);
			String bottomStr = st.nextToken();
			int bottom = Integer.parseInt(bottomStr);
			int top= Integer.parseInt(st.nextToken());
			for (int j=bottom; j<=top; j++) {
				// Rotate and check if existing number exists.
				String jStr = j+"";
				String temp = jStr;
				for (int k=0; k<temp.length()-1; k++) {
					temp = temp.substring(1) + temp.charAt(0);
					if (!temp.startsWith("0")) {
						//int number = Integer.parseInt(temp);
						if (temp.compareTo(jStr)<0 && temp.compareTo(bottomStr)>=0) {
							String str = temp+jStr;
							if (!resultSet.contains(str)) {
								resultSet.add(str);
							}
						}
					}
				}
			}
			
			// Display the results.
			bw.write("Case #"+(i+1)+": ");
			bw.write(resultSet.size()+"\n");
		}
		bw.close();
		long end = System.currentTimeMillis();
		System.out.println("Time taken = "+(end-start)+" seconds.");
	}

}
