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 round1;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.Collection;
import java.util.HashSet;
import java.util.Set;

public class RecycledNumbers {
    public static Set<Integer>findRecycledNumbersBetween(int number, int start, int end) {
        if (number < 12) {
            return new HashSet<Integer>();
        }
        String num = "" + number;
        
        Set<Integer> nums = new HashSet<Integer>();
        for (int i = 1; i < num.length(); i++) {
            String firstPart = num.substring(0, i);            
            String lastPart = num.substring(i);
            if (lastPart.charAt(0) == '0') {
                continue;
            }
            
            int candidate = Integer.parseInt(lastPart + firstPart);
            if (candidate > number && (candidate >= start && candidate <= end)) {
                nums.add(candidate);
            }
        }
        
        return nums;
    }
    
    public static int findRecycledNumbersBetween(int start, int end) {
        int numbers = 0;
        for (int i = start; i <= end; i++) {
            Collection<Integer> recycles = findRecycledNumbersBetween(i, start, end);
            if (recycles.size() > 0) {
                //System.out.printf("found following recycles for %d => %s\n", i, recycles.toString());
            }
            numbers += recycles.size();
        }
        return numbers;
    }
    
    public static void findRecycledNumbersInFile(File input) throws IOException {
        InputStreamReader reader = new InputStreamReader(new FileInputStream(input));
        BufferedReader br = new BufferedReader(reader);
        int numLines = Integer.parseInt(br.readLine());
        for (int i = 1; i <= numLines; i++) {
            String line = br.readLine();
            String[] parts = line.split(" ");
            int start = Integer.parseInt(parts[0]);
            int end = Integer.parseInt(parts[1]);
            
            System.out.printf("Case #%d: %d\n", i, findRecycledNumbersBetween(start, end));
        }
    }

    /**
     * @param args
     */
    public static void main(String[] args) throws Exception {
        if (args.length != 1) {
            System.err.println("Usage: RecycledNumbers <InputFile>");
            System.exit(-1);
        }
        findRecycledNumbersInFile(new File(args[0]));
    }
}