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 be.mokarea.gcj.recyclednumbers;

import java.io.FileInputStream;
import java.io.PrintWriter;

import be.mokarea.gcj.common.GoogleCodeJamBase;
import be.mokarea.gcj.common.TestCaseReader;
import be.mokarea.gcj.common.Transformation;

public class RecycledNumbers extends GoogleCodeJamBase<RecycledNumbersTestCase> {
	private final String outputFileName;
	private final String inputFileName;

	
	public RecycledNumbers(String inputFileName, String outputFileName) {
		super();
		this.inputFileName = inputFileName;
		this.outputFileName = outputFileName;
	}

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		new RecycledNumbers(args[0], args[1]).execute();

	}

	@Override
	protected Transformation<RecycledNumbersTestCase> createTransformation(
			TestCaseReader<RecycledNumbersTestCase> testCaseReader,
			PrintWriter outputWriter) throws Exception {
		return new RecycledNumbersTransformation(testCaseReader,outputWriter);
	}

	@Override
	protected String getOutputFileName() throws Exception {
		return outputFileName;
	}

	@Override
	protected TestCaseReader<RecycledNumbersTestCase> getTestCaseReader()
			throws Exception {
		return new RecycledNumbersTestCaseReader(new FileInputStream(inputFileName));
	}


}
