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 gcj2012.qual;

import java.util.Arrays;

import common.AbstractRunner;
import common.AbstractRunner.SIZE;

public class C extends AbstractRunner {
		
	
	@Override
	public void handleCase(int caseNumber) throws Exception {
		int A = scanner.nextInt();
		int B = scanner.nextInt();
		
		int pow = 1;
		int n = 0;
		for (int p = A; p>=10; p = p/10) {
			n++;
			pow *= 10;
		}
		
		int res = 0;
		int [] rr = new int[n];
		for (int x=A; x<=B; x++) {
			Arrays.fill(rr, 0);
			int rrlen = 0;
			int xx = x;
			cycle: for (int i=0; i<n; i++) {
				xx = (xx % 10) * pow + (xx/10);
				if (xx > x && xx <=B) {
					for (int j=0; j<rrlen; j++) {
						if (rr[j] == xx) continue cycle;
					}
					rr[rrlen++] = xx;
					res ++;
				}
			}
		}
		
		out.write(Integer.toString(res)+"\n");
	}

	/**
	 * @param args
	 */
	public static void main(String[] args) throws Exception {
		new C().init(SIZE.small).execute();
	}

}
