package codejam;

import java.util.*;
import java.io.*;

public class RecycledNumbers {
	public static void main(String[] args) throws IOException {
		BufferedReader in = new BufferedReader(new FileReader("in.txt"));
		PrintWriter out = new PrintWriter(new File("out.txt"));
		
		int T = Integer.parseInt(in.readLine());
		for (int t = 1; t <= T; ++t) {
			String[] parts = in.readLine().split("[ ]+");
			int A = Integer.parseInt(parts[0]);
			int B = Integer.parseInt(parts[1]);
			
			int cnt = 0;
			for (int i = A; i < B; ++i) {
				String str = String.valueOf(i);
				int n = str.length();
				String res = "";
				Set<Integer> seen = new HashSet<Integer>();
				for (int j = n - 1; j > 0; --j) {
					res = str.substring(j) + str.substring(0, j);
					int k = Integer.parseInt(res);
					if (k > i && k <= B) {
						//System.out.println("(" + i + ", " + k + ")");
						if (!seen.contains(k)) {
							++cnt;
							seen.add(k);
						}
					}
				}
			}

			out.println("Case #" + t + ": " + cnt);
		}
		
		in.close();
		out.close();
		System.exit(0);
	}
}

import java.io.IOException;
import java.util.List;

public class StoreCredit extends JamProblem {
    public static void main(String[] args) throws IOException {
        StoreCredit problem= new StoreCredit();
        problem.go();
    }

    @Override
    String solveCase(JamCase jamCase) {
        StoreCreditCase cas = (StoreCreditCase) jamCase;
        for (int i=0; i<cas.itemCount; i++) {
            for (int j=0; j<cas.itemCount; j++) {
                if (i==j) {
                    continue;
                }
                if (cas.prices[i] + cas.prices[j] == cas.credit) {
                    return "" + (i+1) + " " + (j+1);
                }
            }
        }
        throw new RuntimeException();
    }

    @Override
    JamCase parseCase(List<String> file, int line) {
        StoreCreditCase cas = new StoreCreditCase();
        String fist =  file.get(line);
        String second =  file.get(line+1);
        String third =  file.get(line+2);
        cas.credit= Integer.parseInt(fist);
        cas.lineCount = 3;
        cas.itemCount = Integer.parseInt(second);
        cas.prices = JamUtil.parseIntList(third, cas.itemCount);
        return cas;
    }
}

class StoreCreditCase extends JamCase {
    int itemCount;
    int[] prices;
    public int credit;
}
