package jp.funnything.competition.util;

import java.math.BigInteger;

/**
 * Utility for BigInteger
 */
public class BI {
    public static BigInteger ZERO = BigInteger.ZERO;
    public static BigInteger ONE = BigInteger.ONE;

    public static BigInteger add( final BigInteger x , final BigInteger y ) {
        return x.add( y );
    }

    public static BigInteger add( final BigInteger x , final long y ) {
        return add( x , v( y ) );
    }

    public static BigInteger add( final long x , final BigInteger y ) {
        return add( v( x ) , y );
    }

    public static int cmp( final BigInteger x , final BigInteger y ) {
        return x.compareTo( y );
    }

    public static int cmp( final BigInteger x , final long y ) {
        return cmp( x , v( y ) );
    }

    public static int cmp( final long x , final BigInteger y ) {
        return cmp( v( x ) , y );
    }

    public static BigInteger div( final BigInteger x , final BigInteger y ) {
        return x.divide( y );
    }

    public static BigInteger div( final BigInteger x , final long y ) {
        return div( x , v( y ) );
    }

    public static BigInteger div( final long x , final BigInteger y ) {
        return div( v( x ) , y );
    }

    public static BigInteger mod( final BigInteger x , final BigInteger y ) {
        return x.mod( y );
    }

    public static BigInteger mod( final BigInteger x , final long y ) {
        return mod( x , v( y ) );
    }

    public static BigInteger mod( final long x , final BigInteger y ) {
        return mod( v( x ) , y );
    }

    public static BigInteger mul( final BigInteger x , final BigInteger y ) {
        return x.multiply( y );
    }

    public static BigInteger mul( final BigInteger x , final long y ) {
        return mul( x , v( y ) );
    }

    public static BigInteger mul( final long x , final BigInteger y ) {
        return mul( v( x ) , y );
    }

    public static BigInteger sub( final BigInteger x , final BigInteger y ) {
        return x.subtract( y );
    }

    public static BigInteger sub( final BigInteger x , final long y ) {
        return sub( x , v( y ) );
    }

    public static BigInteger sub( final long x , final BigInteger y ) {
        return sub( v( x ) , y );
    }

    public static BigInteger v( final long value ) {
        return BigInteger.valueOf( value );
    }
}

import java.io.BufferedReader;
import java.io.FileReader;
import java.util.ArrayList;
import java.util.List;
import java.util.Scanner;



public class RecycleNumbers {
	public static void main(String[] args) {
		try{
			BufferedReader fileIn = new BufferedReader(new FileReader("C-small-attempt0.in"));
			int cases = Integer.valueOf(fileIn.readLine());
			Scanner numReader = new Scanner(fileIn);
			for(int i = 0; i < cases; i++) {
				int start = numReader.nextInt();
				int end = numReader.nextInt();
				List<NumberQueue.Pair> p = new ArrayList<NumberQueue.Pair>();
				for(int n = start; n <= end; n++) {
					NumberQueue q = new NumberQueue(n);
					List<NumberQueue.Pair> returned = q.distinctRoations(start, end);
					for(NumberQueue.Pair ap : returned) {
						if(!p.contains(ap)) {
							p.add(ap);
						}
					}
				}
				System.out.println("Case #"+(i+1)+": "+p.size());
			}
		} catch(Exception err) {
			System.out.println("ERRORRRRRRRRRRRRRRRRRRRRR: "+ err.getMessage());
			err.printStackTrace();
		}
	}
}
