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.File;
import java.io.IOException;
import java.util.HashSet;
import java.util.Set;

public class QrC {
	private CodeJamTextInputReader input = null;
	private CodeJamTextOutputWriter output = null;

	public static void main(String args[]) {
		// CodeJamUtils.initLineEndings();
		try {
			QrC qrA = new QrC();
			qrA.run(new File(args[0]), new File(args[1]));
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} catch (InvalidInputException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
	}

	public QrC() {
	}

	public void run(File outputFile, File inputFile)
			throws InvalidInputException, IOException {
		try {
			input = new CodeJamTextInputReader(inputFile);
			output = new CodeJamTextOutputWriter(outputFile);

			actualRun();
		} finally {
			if (input != null) {
				input.close();
			}
			if (output != null) {
				output.close();
			}
		}
	}

	private void actualRun() throws IOException {
		while (input.hasNextTestCase()) {
			String in = input.readNextLine();
			final int textCaseNum = input.getLastReadTestCaseNumber();

			output.outputTestCase(textCaseNum, singleTestCase(in));
		}
	}

	private String singleTestCase(String in) {
		CodeJamLineParser parser = new CodeJamLineParser(in);
		final int lowerBound = parser.readNextInt();
		final int upperBound = parser.readNextInt();

		int numOfRecycled = 0;

		Set<RecycledPair> alreadyHit = new HashSet<RecycledPair>();

		RecycledPair comparePair = new RecycledPair();
		
		for (int i = lowerBound; i <= upperBound; ++i) {
			int leftMask = getHighestMask(i);
			int rightMask = 10;
			while (leftMask >= 10) {
				int recycled = buildRecycled(i, leftMask, rightMask);
				comparePair.set(i, recycled);
				if (recycled != i && recycled >= lowerBound
						&& recycled <= upperBound
						&& !alreadyHit.contains(comparePair)) {
					alreadyHit.add(new RecycledPair(comparePair));
					++numOfRecycled;
				}
				rightMask = rightMask * 10;
				leftMask = leftMask / 10;
			}
		}

		return Integer.toString(numOfRecycled);
	}

	int buildRecycled(int in, int leftMask, int rightMask) {
		int rightPart = in % rightMask;
		int leftPart = in / rightMask;

		return (rightPart * leftMask) + leftPart;
	}

	int getHighestMask(int in) {
		int mask = 10;
		while (in / mask != 0) {
			mask = mask * 10;
		}
		return mask / 10;
	}

	int getNumOfDigits(int in) {
		int numOfDigits = 1;
		int mask = 10;
		while (in / mask != 0) {
			++numOfDigits;
			mask = mask * 10;
		}
		return numOfDigits;
	}
}
