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 com.google.codejam.recycle;

/**
 * Class to represent each test case.
 * It will hold details like test case no, input to be operated and TestResult.
 * @author Sushant Deshpande
 *
 */
public class TestCase {

    /**
     * Variable to hold value for test case number.
     */
    private int caseNo;

    /**
     * Variable to hold lower limit.
     */
    private int low;

    /**
     * Variable to hold upper limit.
     */
    private int high;

    /**
     * Variable holding test case result.
     */
    private TestResult output;

    /**
     * Constructor for creating TestCase with case no.
     * @param caseNo int
     * @param low int
     * @param high int
     */
    public TestCase(final int caseNo, final int low, final int high) {
        this.caseNo = caseNo;
        this.low = low;
        this.high = high;
    }

    /**
     * Settter method for TestResult.
     * @param output TestResult
     */
    public final void setOutput(final TestResult output) {
        this.output = output;
    }

    public int getHigh() {
        return high;
    }

    public int getLow() {
        return low;
    }

    /**
     * Method to format the test output for printing in the report.
     * @return String formatted output for the given input.
     */
    public final String printTestResult() {
        StringBuilder resultBuilder = new StringBuilder("Case #");
        resultBuilder.append(caseNo).append(": ");
        resultBuilder.append(output.getTestOutput()).append("\n");
        return resultBuilder.toString();
    }
}