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.LinkedList;
import java.util.Scanner;


public class Recycle {

	private static int[] total(int r)	{
		int i=1, t=10;
		while(r/t > 0)	{
			i++;
			t*=10;
		}
		return new int[] {i,t/10};
	}
	
	private static int pow(int c)	{
		int t=1;
		while(c-->0)
			t*=10;
		return t;
	}
	
	private static int recycle(int r, int c /* peechhe se, 1 based*/)	{
		int k = pow(c), t=total(r)[0];
		int a = r/k;
		int b = (r%k) * pow(t-c);
		return a+b;
	}
	
	public static void main(String[] args) {
		Scanner c = new Scanner(System.in);
		int t = c.nextInt();
		for(int w=1; w<=t; ++w)	{
			System.out.print("Case #"+w+": ");
			int cnt = 0;
			int A = c.nextInt();
			int B = c.nextInt();
			int tmp[] = total(A);
			int tot = tmp[0];
			
			for(int i=Math.max(A, 10); i <=B; ++i )	{
				int in = i/tmp[1];
				int pow = 1;
				LinkedList<Integer> l = new LinkedList<Integer>();
				for(int j=1; j<tot; ++j, pow*=10)	{
					int cth = (i/pow)%10;
					
					if(cth >= in)	{
						int r = recycle(i,j);
						if(r > i && r<=B && !l.contains(r))	{
							cnt++;
							l.add(r);
							//System.out.println("("+i+","+r+")");
						}
					}
				}
			}
			System.out.println(cnt);
		}

	}

}
