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.*;
import java.io.*;


public class C {
	public static final String INPUT_FILE = "C-large.in";
	public static final String OUTPUT_FILE = "cLarge.out";

	public static void main(String[] args) throws FileNotFoundException {
		
		Scanner input = new Scanner(new File(INPUT_FILE));
		PrintStream output = new PrintStream(new File(OUTPUT_FILE));
		
		Map<Integer, Integer> answerKey = new HashMap<Integer, Integer>();
		answerKey.put(1,0);
		answerKey.put(2,1);
		answerKey.put(3,3);
		answerKey.put(4,6);
		answerKey.put(5,10);
		answerKey.put(6,15);
		answerKey.put(7,21);
		
		
		int trials = Integer.parseInt(input.nextLine());


		// START
		for(int i = 1; i <= trials; i++) {
			String[] line = input.nextLine().split(" ");
			int A = Integer.parseInt(line[0]); 
			int B = Integer.parseInt(line[1]);
			
			Set<Integer> seen = new HashSet<Integer>();
			List<Integer> answer = new ArrayList<Integer>();
			
			int length = getLength(A);
			
			if(length > 1) {
				for(int j = A; j <= B; j++) {
					
					if(!seen.contains(j)) {
					
						answer.add(numberOfPerms(A, B, j, length, seen));
					
					} // It is seen, so don't do anything
				}			
			} else { // length = 1			
			}			
			
			int answerCount = 0;
			for(int k = 0; k < answer.size(); k++) {
				answerCount += answerKey.get(answer.get(k));
			}
			
			output.print("Case #" + i + ": " + answerCount);
			if(i != trials) {
				output.println();
			}
	
		}
		
	}
	
	public static int numberOfPerms(int A, int B, int num, int length, Set<Integer> s) {
		int original = num;
		int count = 1;
		int permute = permute(num, length);
		s.add(original);
		while(original != permute) {
	
			if(permute >= A && permute <= B && !s.contains(permute)) {
				s.add(permute); // add bc we've now seen it
				count++;        // we have a good permute
			}
			
			permute = permute(permute, length);	
		}
		return count;
	}


	public static int getLength(int num) {
		return (num + "").length();

	}

	public static int permute(int num, int length) {
		int a = num % 10;
		int b = num / 10;
		return a * (int) Math.pow(10, length-1) + b;		
	}
	
}