import java.io.FileInputStream;
import java.util.HashMap;
import java.util.Scanner;
import java.util.TreeSet;

// Recycled Numbers
// https://code.google.com/codejam/contest/1460488/dashboard#s=p2

public class C {

	private static String process(Scanner in) {
		int A = in.nextInt();
		int B = in.nextInt();
		int res = 0;
		int len = Integer.toString(A).length();
		for(int n = A; n < B; n++) {
			String str = Integer.toString(n);
			TreeSet<Integer> set = new TreeSet<Integer>();
			for(int i = 1; i < len; i++) {
				int m = Integer.parseInt(str.substring(i, len) + str.substring(0, i));
				if ( m > n && m <= B && ! set.contains(m) ) {
					set.add(m);
					res++;
				}
			}
		}
		return Integer.toString(res);
	}

	public static void main(String[] args) throws Exception {
		Scanner in = new Scanner(System.in.available() > 0 ? System.in : 
			new FileInputStream(Thread.currentThread().getStackTrace()[1].getClassName() + ".practice.in"));
		int T = in.nextInt();
		for(int i = 1; i <= T; i++) 
			System.out.format("Case #%d: %s\n", i, process(in));
	}
}

package com.unitedcoders.examples.codejam;

import java.io.File;
import java.io.PrintStream;
import java.util.Scanner;

public class RecycledNumbers {

    public static void main(String[] args) throws Exception {

        Scanner scanner = new Scanner(new File("/Users/nh/c.in"));
        PrintStream out = new PrintStream(new File("/Users/nh/c.out"));


        int testcases = scanner.nextInt();
        scanner.nextLine();
        for (int casenr = 1; casenr <= testcases; casenr++) {

            int a = scanner.nextInt();
            int b = scanner.nextInt();

            int p = solve(a, b);

            System.out.printf("Case #%d: %d\n", casenr, p);
            out.printf("Case #%d: %d\n", casenr, p);
        }
    }

    public static int solve(int a, int b) {

        int result = 0;

        String sA = intToString(a);
        String sB = intToString(b);

        for (int i = a; i <= b; i++) {
            if (i < 10) {
                continue;
            }

            String k = intToString(i);
            for (int j = 0; j < sA.length()-1; j++) {
                k = cycle(k);

                if((stringToInt(k)>i) && (stringToInt(k)<=b)){
                    result++;
                }

            }
        }

        return result;

    }

    public static String intToString(int i) {
        StringBuffer sb = new StringBuffer();
        while (i > 0) {
            sb.append(i % 10);
            i = i / 10;
        }

        return sb.reverse().toString();
    }

    public static int stringToInt(String s) {

        return Integer.valueOf(s);
    }

    public static String cycle(String s) {
        StringBuffer sb = new StringBuffer();
        for (int i = 1; i < s.length(); i++) {
            sb.append(s.substring(i, i + 1));
        }
        sb.append(s.substring(0, 1));
        return sb.toString();

    }


}
