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.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.util.HashSet;
import java.util.Set;


public class RecycledNumbers {
  public RecycledNumbers() { }

  public int solve(String str) {
    String[] tokens = str.split(" ");
    int length = tokens[0].length();
    int a = Integer.valueOf(tokens[0]);
    int b = Integer.valueOf(tokens[1]);
    return solve(a, b, length);
  }
  public int solve(int a, int b, int length) {
    Set<String> rPairs = new HashSet<String>();
    StringBuffer strBuffer = new StringBuffer();
    for (int n = a; n < b; ++n) {
      int shiftNum = n;
      for (int i = 0; i < length; ++i) {
        shiftNum = calcShiftNum(shiftNum, length);

        if (shiftNum <= b && shiftNum > n) {
          strBuffer.setLength(0);
          strBuffer.append("(").append(n).append(", ").append(shiftNum).append(")");
          String result = strBuffer.toString();
          rPairs.add(result);
        }
      }
    }
    return rPairs.size();
  }

  public int calcShiftNum(int num, int length) {
    int maxUnit = Double.valueOf(Math.pow(10, length - 1)).intValue();
    int remainder = num % 10;
    return (remainder * maxUnit) + (num / 10);
  }

  public static void main(String[] args) throws IOException {
    RecycledNumbers solver = new RecycledNumbers();
    //System.out.println(solver.solve("100 500"));
    File folder = new File(".");
    for (File f : folder.listFiles()) {
      if (!f.getName().endsWith("in") || !f.isFile()) {
        continue;
      }
      System.out.println(f.getName());
      String outFileName = f.getName().replace("in", "out");

      BufferedReader reader = new BufferedReader(new FileReader(f));
      String str;
      int lineNum = 0, caseNum = 1;
      BufferedWriter writer = new BufferedWriter(new FileWriter(outFileName));
      lineNum = Integer.valueOf(reader.readLine());
      while ((str = reader.readLine()) != null) {
        str = str.trim();
        writer.write(String.format("Case #%d: %d\n", caseNum++, solver.solve(str)));
      }
      if (lineNum != caseNum - 1) {
        System.err.println("Case Number is not matched to input file.");
      }
      writer.flush();
      writer.close();
    }

  }

}
