import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileReader;
import java.io.FileWriter;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;

public class Q3M {
	public static void main(String[] args) throws Exception {
		compute();
	}

	private static void compute() throws Exception {
		BufferedReader br = new BufferedReader(new FileReader(new File(
				"C:\\work\\Q3\\C-small-attempt0.in")));
		String line = null;
		int i = Integer.parseInt(br.readLine());
		List l = new ArrayList();
		for (int j = 0; j < i; j++) {
			line = br.readLine();
			String[] nums = line.split(" ");
			l.add(calculate(nums));
		}
		writeOutput(l);
	}

	private static int calculate(String[] nums) {
		int min = Integer.parseInt(nums[0]);
		int max = Integer.parseInt(nums[1]);
		int count = 0;
		List l = new ArrayList();
		for (int i = min; i <= max; i++) {
			for (int times = 1; times < countDigits(i); times++) {
				int res = shiftNum(i, times);
				if (res <= max && i < res) {
					if ((!l.contains((i + ":" + res)))) {
						l.add(i + ":" + res);
						l.add(res + ":" + i);
						count++;
					}
				}
			}
		}
		return count;
	}

	private static boolean checkZeros(int temp, int res) {
		if (temp % 10 == 0 || res % 10 == 0)
			return false;
		return true;
	}

	private static int shiftNum(int n, int times) {
		int base = (int) Math.pow(10, times);
		int temp2 = n / base;
		int placeHolder = (int) Math.pow((double) 10,
				(double) countDigits(temp2));
		int res = placeHolder * (n % base) + temp2;
		if (countDigits(res) == countDigits(n)) {
			return res;
		} else {
			return 2000001;
		}
	}

	public static int countDigits(int x) {
		if (x < 10)
			return 1;
		else {
			return 1 + countDigits(x / 10);
		}
	}

	private static void writeOutput(List l) throws Exception {
		StringBuffer b = new StringBuffer();
		int i = 1;
		BufferedWriter br = new BufferedWriter(new FileWriter(new File(
				"C:\\work\\Q3\\ans.txt")));
		for (Iterator iterator = l.iterator(); iterator.hasNext();) {
			br.write("Case #" + i++ + ": " + iterator.next());
			br.newLine();
		}
		br.close();
	}

}
package be.mokarea.gcj.recyclednumbers;

import java.io.PrintWriter;
import java.util.HashSet;

import be.mokarea.gcj.common.TestCaseReader;
import be.mokarea.gcj.common.Transformation;

public class RecycledNumbersTransformation extends
		Transformation<RecycledNumbersTestCase> {

	public RecycledNumbersTransformation(
			TestCaseReader<RecycledNumbersTestCase> caseReader,
			PrintWriter outputWriter) {
		super(caseReader, outputWriter);
	}

	@Override
	protected String transform(RecycledNumbersTestCase testCase) {
		HashSet<PairOfInteger> setOfN_M = new HashSet<PairOfInteger>();
		final int a = testCase.getA();
		final int b = testCase.getB();
		for (int n = a; n <= b; n++) {
			for (int m : recycledNumberOf(n)) {
				if ( a <= n && n < m && m <= b) {
					setOfN_M.add(new PairOfInteger(n,m));
				}
			}
		}
		return formatOutput(testCase.getCaseNumber(), setOfN_M.size());
	}
	
	private String formatOutput(int caseNumber, int nbMatches) {
		StringBuffer buf = new StringBuffer();
		buf.append("Case #");
		buf.append(caseNumber);
		buf.append(": ");
		buf.append(nbMatches);
		return buf.toString();
	}

	private HashSet<Integer> recycledNumberOf(int n) {
		HashSet<Integer> recycledNumbers = new HashSet<Integer>();
		String nAsString = String.valueOf(n);
		for (int nbDigit = 1 ; nbDigit < nAsString.length(); nbDigit++) {
			final String end = nAsString.substring(nbDigit, nAsString.length());
			final String front = nAsString.substring(0, nbDigit);
			final String n2 = end + front;
			recycledNumbers.add(Integer.parseInt(n2));
		}
		return recycledNumbers;
	}

	class PairOfInteger {
		@Override
		public int hashCode() {
			final int prime = 31;
			int result = 1;
			result = prime * result + m;
			result = prime * result + n;
			return result;
		}

		@Override
		public boolean equals(Object obj) {
			if (this == obj)
				return true;
			if (obj == null)
				return false;
			if (getClass() != obj.getClass())
				return false;
			PairOfInteger other = (PairOfInteger) obj;
			if (m != other.m)
				return false;
			if (n != other.n)
				return false;
			return true;
		}

		private final int n;
		private final int m;
		
		PairOfInteger(int n, int m) {
			this.n = n;
			this.m = m;
		}
	}
}
