package it.simone.google.code.jam2012;

import java.util.HashSet;
import java.util.Set;

public class RecycledNumber implements GoogleCodeExercise {

	int a = 0;
	int b = 0;
	Set<Couple> distinctCouple = null;
	long maxTime = 0;

	private class Couple {
		int x = 0;
		int y = 0;

		public Couple(int x, int y) {
			this.x = x;
			this.y = y;
		}

		@Override
		public int hashCode() {
			final int prime = 31;
			int result = 1;
			result = prime * result + getOuterType().hashCode();
			result = prime * result + x;
			result = prime * result + y;
			return result;
		}

		@Override
		public boolean equals(Object obj) {
			if (this == obj)
				return true;
			if (obj == null)
				return false;
			if (getClass() != obj.getClass())
				return false;
			Couple other = (Couple) obj;
			if (!getOuterType().equals(other.getOuterType()))
				return false;
			if (x == other.x && y == other.y)
				return true;
			if (x == other.y && y == other.x)
				return true;
			return false;
		}

		private RecycledNumber getOuterType() {
			return RecycledNumber.this;
		}

	}

	@Override
	public String execute(String line) {
		int result = 0;

		String[] data = line.split(" ");
		a = Integer.parseInt(data[0]);
		b = Integer.parseInt(data[1]);
		initialize();

		int n = a;
		//
		while (n <= b) {
			result += analize(n);
			n++;
//			if (n % 1000 == 0)
//				System.out.println(n);
		}

		System.out.println(result);
		return "" + result;
	}

	@Override
	public void initialize() {
		distinctCouple = new HashSet<Couple>();
	}

	private int analize(int number) {
		String numString = "" + number;
		initialize();
		for (int i = 1; i < numString.length(); i++) {
			int m = shift(numString, i);
			if (a <= number && number < m && m <= b) {
				Couple couple=new Couple(number,m);
				if (!distinctCouple.contains(couple))
					distinctCouple.add(couple);
			}
		}
		return distinctCouple.size();
	}

	private int shift(String numString, int posx) {

		String result = null;
		result = "" + numString.substring(posx) + numString.substring(0, posx);

		return Integer.parseInt(result.toString());
	}

}

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.HashMap;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Set;
import java.util.TreeMap;


public class Recycled {

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		BufferedReader bufferRead = new BufferedReader(new InputStreamReader(System.in));
		String line;
		Integer i = 1;
		Integer licz = 0;
		boolean first = true; 
		try {
			while ((line = bufferRead.readLine()) != null && line.length()!= 0)
			{
				if (first)
				{
					licz = Integer.parseInt(line);
					first = false;
				}
				else
				{
					System.out.print("Case #" + i +": ");
					// tu wlasciwe obliczenie
					String[] split = line.split(" ");
					policzRececled(split[0], split[1]);
					System.out.println();
					i++;
					licz--;
				}
				if (licz < 0)
					break;
			}
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}

	}

	private static int policzRececled(String A, String B) {
		if (A.length() == 1)
		{
			System.out.print("0");
			return 0;
		}
		Map<String,Integer> map = new HashMap<String, Integer>();
		Integer licznikPar = 0;
		Integer min = Integer.parseInt(A);
		Integer max = Integer.parseInt(B);
		for (Integer X = min; X <= max; ++X)
		{
			String S = X.toString();
			for (int i = 1; i < A.length(); ++i)
			{
				String subS = S.substring(0, i);
				String subE = S.substring(i);
				String sNew = subE + subS;
				Integer iNew = Integer.parseInt(sNew);
				if (X < iNew && iNew >= min && iNew <= max)
				{
					String ss = "" + X + iNew;
					if (map.containsKey(ss))
					{
						Integer j = map.get(ss);
						j++;
						map.put(ss, j);
					}
					else
					{
						map.put(ss, 1);
					}
					//System.out.println(licznikPar + ": " + X + " -> " + iNew);
					//licznikPar++;
				}
			}
		}
		System.out.print(map.size());
		/*
		System.out.println();
		Set<Entry<String, Integer>> entrySet = map.entrySet();
		int ii = 1;
		for (Entry<String, Integer> entry : entrySet) {
			System.out.println(ii + ": " + entry.getKey() + " -> " + entry.getValue());
			ii++;
		}
		*/
		return 0;
	}

}
