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.*;
import java.util.*;
public class Q3{
  public static void main(String args[]){
    try {
      BufferedReader is = new BufferedReader(
        new InputStreamReader(new FileInputStream(new File("C-large.in"))));
      BufferedWriter os = new BufferedWriter(
        new OutputStreamWriter(new FileOutputStream(new File("q3output-l.txt"))));

      int num = Integer.parseInt(in(is));

      for (int i=0;i<num;i++){
        String s = in(is);

        
        String o = answer(s);


        p("Case #" + (i + 1) + ": " + o, os);

      }
      is.close();
      os.close();
    }catch(Exception e){
      e.printStackTrace();
    }
  }

  private static String in(BufferedReader is) throws IOException{
    return is.readLine();
  }

  private static void p(String n, String w){
    System.out.println(n + ":" + w);
  }

  private static void p(String w) {
    System.out.println(w);
  }

  private static void p(int w) {
    p(""+w);
  }

  private static void p(String w, BufferedWriter os) throws IOException{
    os.write(w);
    os.newLine();
  }

  private static String answer(String s) {
    StringTokenizer sb = new StringTokenizer(s);
    int result = 0;
    int min = Integer.parseInt(sb.nextToken());
    int max = Integer.parseInt(sb.nextToken());
    int border = first(max);
    
    for (int i=min;i<=max;i++){
    	result += pair(i, border, max);
    }
    return ""+result;
  }

  private static int pair(int i, int border, int max){
    int result = 0;
    int first = first(i);
    int num = i;
    int target = 0;
    int out = 0;
    Set<Integer> dup = new HashSet<Integer>();
    while(num >= 10 ) {
      target = num % 10;
      num = num/10;
      out++;
      int convert = convert(num, i, out);
      if (target > first && target < border) {
        if(!dup.contains(convert)){
          dup.add(convert);
          result++;
        }
      } else if(target == first && target == border) {
        if(!dup.contains(convert) && compare(convert, i) && !compare(convert, max)){
          dup.add(convert);
          result++;
        }
      } else if(target == first) {
        if(!dup.contains(convert) && compare(convert, i) && !compare(convert, max)){
          dup.add(convert);
          result++;
        }
      } else if(target == border) {
        if(!dup.contains(convert) && compare(convert, i) && !compare(convert, max)){
          dup.add(convert);
          result++;
        }
      }
    }
    return result;
  }

  private static int first(int num){
    int ret = num;
    while(ret >= 10) {
      ret = ret/10;
    }
    return ret;
  }

  private static int convert(int num, int all, int out){
    int m = power(out);
    int p = digits(num);
    return (all - num * m) * p + num;
  }

  private static boolean compare(int n, int com){
    return n > com;
  }

  private static int digits(int num){
    int ret = 10;
    while(num >= 10) {
      num = num/10;
      ret*=10;
    }
    return ret;
  }

  private static int power(int out){
    int ret = 1;
    for(int i =0;i<out;i++){
      ret *= 10;
    }
    return ret;
  }
}

