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.File;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.PrintWriter;
import java.util.HashSet;
import java.util.Iterator;
import java.util.Set;

public class Third {

	public static void main(String[] args) {

		try {
			BufferedReader reader = new BufferedReader(new FileReader(new File("input.txt")));
			PrintWriter writer = new PrintWriter(new FileWriter(new File("output.txt")));
			reader.readLine();
			int test = 1;
			String str = "";
			while((str = reader.readLine()) != null){
				long result = 0;
				String[] temp = str.split(" ");
				int a = Integer.parseInt(temp[0]);
				int b = Integer.parseInt(temp[1]);
				boolean[] visited = new boolean[b + 1];
				
				for(int num = a; num <= b; num++){
					if(visited[num]) continue;
					
					int[] digits = GetDigit(num);

					Set<Integer> recycledNum = new HashSet<Integer>();
					for(int i = 0; i < digits.length; i++){
						int thisNum = GetNum(digits, i);
						int thisNumDigit = (int) (Math.log10(thisNum) + 1);
						if(thisNum >= a && thisNum <= b && thisNumDigit == digits.length)
							recycledNum.add(thisNum);
					}
					if(recycledNum.size() > 1){
						result += recycledNum.size() * (recycledNum.size() - 1) / 2;
						Iterator<Integer> iterator = recycledNum.iterator();
						while(iterator.hasNext()){
							visited[iterator.next()] = true;
						}
					}
				}
				writer.println("Case #" + test + ": " + result);
				test++;
			}
			writer.close();
		} catch (Exception e) {
			e.printStackTrace();
		}
	}
	
	private static int[] GetDigit(long num){
		int digits = (int) (Math.log10(num) + 1);
		int[] result = new int[digits];
		while(digits > 0){
			result[--digits] = (int) (num % 10);
			num /= 10;
		}
		return result;
	}
	
	private static int GetNum(int[] digits, int startDigit){
		int number = 0;
		int pos = startDigit;
		do{
			number = number * 10 + digits[pos];
			pos++;
			if(pos >= digits.length) pos -= digits.length;
		} while(startDigit != pos);
		return number;
	}
}
