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.util.HashSet;
import java.util.Scanner;
import java.util.Set;


public class Recycle {

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int T = sc.nextInt();
		for (int i = 1; i <= T; i++) {
			int A = sc.nextInt();
			int B = sc.nextInt();
			int result = getResult(A, B);
			System.out.println("Case #" + i + ": " + result);
		}
		
	}

	private static int getResult(int A, int B) {
		int result = 0;
		int numDigits = Integer.toString(A).length();
		Set<Integer> processed = new HashSet<Integer>();
		for (int num = A; num <= B; num++) {
			if (processed.contains(num))
				continue;
			processed.add(num);
			int count = 0;
			for (int rotated = 1; rotated < numDigits; rotated++) {
				int tp = tenpow(rotated);
				int dropped = num % tp;
				int stay = num / tp;
				int recyclednumber = dropped * tenpow(numDigits - rotated) + stay;
				if (processed.contains(recyclednumber))
					continue;
				processed.add(recyclednumber);
				if (recyclednumber >= A && recyclednumber <= B)
					count++;
			}
			if (count == 0)
				continue;
			count +=1;
			result += ncr(count, 2);
		}
		return result;
	}

	private static int ncr(int n, int r) {
		return factorial(n)/(factorial(n-r) * factorial(r));
	}

	private static int tenpow(int exp) {
		int res = 1;
		for (int i = 0; i < exp; i++)
			res *= 10;
		return res;
	}
	
	private static int factorial(int n)
    {
        if (n == 0) return 1;
        return n * factorial(n-1);
    }

}
