import java.util.HashSet;
import java.util.Scanner;

public class C {

	static HashSet p = new HashSet();
	static int low;
	static int high;
	int count = 0;

	public static void main(String[] args) {

		Scanner sc = new Scanner(System.in);
		int no = sc.nextInt();

		for (int i = 1; i <= no; i++) {

			p.clear();
			low = sc.nextInt();
			high = sc.nextInt();

			for (int l = low; l <= high; l++) {
				recycle(l);
			}
			System.out.println("Case #" + i + ": " + p.size());

		}
	}

	public static void recycle(int no) {

		String s = Integer.toString(no);
		for (int i = 0; i < s.length(); i++) {
			String rec = s.substring(i) + s.substring(0, i);
			int r = Integer.parseInt(rec);
			if (r != no && r >= low && r <= high) {
				int min = Math.min(r, no);
				int max = Math.max(r, no);
				String a = Integer.toString(min) + "" + Integer.toString(max);
				p.add(a);

			}
		}

	}
}

package codejam.is;

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.FileReader;
import java.io.FileWriter;

/**
 * Created with IntelliJ IDEA.
 * User: ofer
 * Date: 4/13/12
 * Time: 8:53 PM
 * To change this template use File | Settings | File Templates.
 */
public class TestRunner {

    public void runTests(String inputFilePath, String outputFilePath, Class testClass) {
        try {

            BufferedReader br = new BufferedReader(new FileReader(inputFilePath));
            int numOfTests = Integer.parseInt(br.readLine());

            Test[] tests = new Test[numOfTests];
            for (int i = 0; i < numOfTests; i++) {
                tests[i] = (Test)testClass.newInstance();
                tests[i].run(br.readLine());
            }

            br.close();

            BufferedWriter bw = new BufferedWriter(new FileWriter(outputFilePath));
            for (int i = 0; i < numOfTests; i++) {
                bw.write(tests[i].getOutput(i+1));
            }
            bw.close();


        } catch (Exception e) {
            System.out.println("Caught exception: " + e);
            e.printStackTrace();
        }
    }

}
