/*
 * Problem C. Recycled Numbers
 * 
 * Do you ever become frustrated with television because you keep seeing the
 * same things, recycled over and over again? Well I personally don't care about
 * television, but I do sometimes feel that way about numbers.
 * 
 * Let's say a pair of distinct positive integers (n, m) is recycled if you can
 * obtain m by moving some digits from the back of n to the front without
 * changing their order. For example, (12345, 34512) is a recycled pair since
 * you can obtain 34512 by moving 345 from the end of 12345 to the front. Note
 * that n and m must have the same number of digits in order to be a recycled
 * pair. Neither n nor m can have leading zeros.
 * 
 * Given integers A and B with the same number of digits and no leading zeros,
 * how many distinct recycled pairs (n, m) are there with A â¤ n < m â¤ B?
 * 
 * Input
 * 
 * The first line of the input gives the number of test cases, T. T test cases
 * follow. Each test case consists of a single line containing the integers A
 * and B.
 * 
 * Output
 * 
 * For each test case, output one line containing "Case #x: y", where x is the
 * case number (starting from 1), and y is the number of recycled pairs (n, m)
 * with A â¤ n < m â¤ B.
 * 
 * Limits
 * 
 * 1 â¤ T â¤ 50.
 * 
 * A and B have the same number of digits.

Small dataset

1 â¤ A â¤ B â¤ 1000.

Large dataset

1 â¤ A â¤ B â¤ 2000000.

Sample


Input 
 	
Output 
 
4
1 9
10 40
100 500
1111 2222
Case #1: 0
Case #2: 3
Case #3: 156
Case #4: 287
 */

package google.codejam.y2012.qualifications;

import google.codejam.commons.Utils;

import java.io.IOException;
import java.util.StringTokenizer;

/**
 * @author Marco Lackovic <marco.lackovic@gmail.com>
 * @version 1.0, Apr 14, 2012
 */
public class RecycledNumbers {

	private static final String INPUT_FILE_NAME = "C-large.in";
	private static final String OUTPUT_FILE_NAME = "C-large.out";

	public static void main(String[] args) throws IOException {
		String[] input = Utils.readFromFile(INPUT_FILE_NAME);
		String[] output = new String[input.length];
		int x = 0;
		for (String line : input) {
			StringTokenizer st = new StringTokenizer(line);
			int a = Integer.valueOf(st.nextToken());
			int b = Integer.valueOf(st.nextToken());
			System.out.println("Computing case #" + (x + 1));
			output[x++] = "Case #" + x + ": " + recycledNumbers(a, b);
		}
		Utils.writeToFile(output, OUTPUT_FILE_NAME);
	}

	private static int recycledNumbers(int a, int b) {
		int count = 0;
		for (int n = a; n < b; n++) {
			count += getNumGreaterRotations(n, b);
		}
		return count;
	}

	private static int getNumGreaterRotations(int n, int b) {
		int count = 0;
		char[] chars = Integer.toString(n).toCharArray();
		for (int i = 0; i < chars.length; i++) {
			chars = rotateRight(chars);
			if (chars[0] != '0') {
				int m = Integer.valueOf(new String(chars));
				if (n == m) {
					break;
				} else if (n < m && m <= b) {
					count++;
				}
			}
		}
		return count;
	}

	private static char[] rotateRight(char[] chars) {
		char last = chars[chars.length - 1];
		for (int i = chars.length - 2; i >= 0; i--) {
			chars[i + 1] = chars[i];
		}
		chars[0] = last;
		return chars;
	}

}

import java.io.*;
import java.util.HashSet;
import java.util.Scanner;
import java.util.Set;

public class C {
    public static void main(String[] args) throws FileNotFoundException {
        Scanner scanner = new Scanner(new File("c1.in"));
        PrintStream outputStream = new PrintStream(new FileOutputStream("c.out"));
//        PrintStream outputStream = System.out;
        int n = scanner.nextInt();
//        System.out.println(n);

        for (int i = 0; i < n; i++) {
            int a = scanner.nextInt();
            int b = scanner.nextInt();
            outputStream.println("Case #" + (i+1) + ": " + ile(a, b));
        }
    }

    private static int ile(int a, int b) {
        int para = 0;
        int ilenie = 0;

        int next = a;

        while (next <= b) {
            String now = String.valueOf(next);

//            if (!uzyte.contains(now)) {
                int przed = para;
            Set<String> uzyte = new HashSet<String>();
            for (int i = 0; i < ilecyfr(next)-1; i++) {
                    now = rotuj(now);
                    int nowInt = Integer.valueOf(now);
//                    if (ilecyfr(next) != ilecyfr(nowInt)) {
//                        continue;
//                    }

                    if (nowInt >= a && nowInt <= b && nowInt != next && !uzyte.contains(now)) {
//                        if (now > next) {
//                            System.out.println("hehe " + now + " " + next);
//                        }

//                        System.out.println(next + " " + now);
                        para++;
                        uzyte.add(now);
                    }
                }
                if (przed == para) {
                    ilenie++;
//                    System.out.println(next);

                }
//            } else {
//                System.out.println(now + " used");
//            }
            next++;
        }
//        System.out.println(ilenie);
//        return b - a - ilenie;
        return para / 2;
    }

    private static String rotuj(String n) {
        String s = String.valueOf(n);
        String substring = s.substring(1);
        return substring + s.charAt(0);

//        int len = ilecyfr(n);
//        int reszta = n %10;
//        n/=10;
//        return (int) (n + (reszta * Math.pow(10, len - 1)));
    }

    private static int ilecyfr(int n) {
        int ile = 0;
        while (n > 0) {
            ile++;
            n/=10;
        }
        return ile;
    }
}
