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.BufferedWriter;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.InputStreamReader;
import java.io.Reader;
import java.util.HashSet;
import java.util.Set;


public class ProB {

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		// TODO Auto-generated method stub
		File infile = new File("C-large.in");
		File outfile = new File("out.txt");
		BufferedReader reader = null;
		BufferedWriter writer = null;
		try{
			reader = new BufferedReader(new FileReader(infile));
			writer = new BufferedWriter(new FileWriter(outfile));
			String ss = reader.readLine();
			String out;
			String []nums;
			int t = Integer.parseInt(ss),i,j,res;
			int a,b;
			for(i=1;i<=t;i++){
				out = "Case #" + i + ": ";
				ss = reader.readLine();
				nums = ss.split(" ");
				a = Integer.parseInt(nums[0]);
				b = Integer.parseInt(nums[1]);
				res = 0;
				for(j=a;j<b;j++){
					res += isRecycle(j,b);
				}
				out += res;
				writer.write(out);
				writer.newLine();
			}
			reader.close();
			writer.close();
		}catch(Exception e){
			e.printStackTrace();
		}
	}
	
	private static int isRecycle(int p,int b){
		int res = 0;
		String s = "";
		Set set = new HashSet();
		s += p;
		int len = s.length();
		int base = 1,i,max;
		for(i=1;i<len;i++) base *= 10;
		max = base * 10;
		int head,tail;
		while(base >= 10){
			head = p / base;
			tail = p % base;
			if(tail >= (base / 10)){
				tail *= max / base;
				tail += head;
				if(tail > p && tail <=b) {
					if(!set.contains(tail)){
						set.add(tail);
						res++;
					}
				}
			}
			base /= 10;
		}
		return res;
	}
	
	private static void sort(int []scores,int n)
	{
		int i,j,t,s;
		for(i=0;i<n;i++){
			t = i;
			s = scores[i];
			for(j=i+1;j<n;j++){
				if(scores[j] > s){
					s = scores[j];
					t = j;
				}
			}
			s = scores[i];
			scores[i] = scores[t];
			scores[t] = s;
		}
	}

}
